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) 2007-2008 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.
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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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>
56 #include "mpt2sas_base.h"
58 MODULE_AUTHOR(MPT2SAS_AUTHOR);
59 MODULE_DESCRIPTION(MPT2SAS_DESCRIPTION);
60 MODULE_LICENSE("GPL");
61 MODULE_VERSION(MPT2SAS_DRIVER_VERSION);
63 #define RAID_CHANNEL 1
66 static void _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc,
67 struct _sas_node *sas_expander);
68 static void _firmware_event_work(struct work_struct *work);
70 /* global parameters */
71 LIST_HEAD(mpt2sas_ioc_list);
73 /* local parameters */
74 static u8 scsi_io_cb_idx = -1;
75 static u8 tm_cb_idx = -1;
76 static u8 ctl_cb_idx = -1;
77 static u8 base_cb_idx = -1;
78 static u8 transport_cb_idx = -1;
79 static u8 config_cb_idx = -1;
82 /* command line options */
83 static u32 logging_level;
84 MODULE_PARM_DESC(logging_level, " bits for enabling additional logging info "
87 /* scsi-mid layer global parmeter is max_report_luns, which is 511 */
88 #define MPT2SAS_MAX_LUN (16895)
89 static int max_lun = MPT2SAS_MAX_LUN;
90 module_param(max_lun, int, 0);
91 MODULE_PARM_DESC(max_lun, " max lun, default=16895 ");
94 * struct sense_info - common structure for obtaining sense keys
96 * @asc: additional sense code
97 * @ascq: additional sense code qualifier
106 #define MPT2SAS_RESCAN_AFTER_HOST_RESET (0xFFFF)
108 * struct fw_event_work - firmware event struct
109 * @list: link list framework
110 * @work: work object (ioc->fault_reset_work_q)
111 * @ioc: per adapter object
112 * @VF_ID: virtual function id
113 * @host_reset_handling: handling events during host reset
114 * @ignore: flag meaning this event has been marked to ignore
115 * @event: firmware event MPI2_EVENT_XXX defined in mpt2_ioc.h
116 * @event_data: reply event data payload follows
118 * This object stored on ioc->fw_event_list.
120 struct fw_event_work {
121 struct list_head list;
122 struct work_struct work;
123 struct MPT2SAS_ADAPTER *ioc;
125 u8 host_reset_handling;
132 * struct _scsi_io_transfer - scsi io transfer
133 * @handle: sas device handle (assigned by firmware)
134 * @is_raid: flag set for hidden raid components
135 * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE,
136 * @data_length: data transfer length
137 * @data_dma: dma pointer to data
140 * @cdb_length: cdb length
142 * @valid_reply: flag set for reply message
143 * @timeout: timeout for this command
144 * @sense_length: sense length
145 * @ioc_status: ioc status
146 * @scsi_state: scsi state
147 * @scsi_status: scsi staus
148 * @log_info: log information
149 * @transfer_length: data length transfer when there is a reply message
151 * Used for sending internal scsi commands to devices within this module.
152 * Refer to _scsi_send_scsi_io().
154 struct _scsi_io_transfer {
157 enum dma_data_direction dir;
160 u8 sense[SCSI_SENSE_BUFFERSIZE];
166 /* the following bits are only valid when 'valid_reply = 1' */
176 * The pci device ids are defined in mpi/mpi2_cnfg.h.
178 static struct pci_device_id scsih_pci_table[] = {
179 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004,
180 PCI_ANY_ID, PCI_ANY_ID },
182 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008,
183 PCI_ANY_ID, PCI_ANY_ID },
184 /* Liberator ~ 2108 */
185 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1,
186 PCI_ANY_ID, PCI_ANY_ID },
187 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2,
188 PCI_ANY_ID, PCI_ANY_ID },
189 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3,
190 PCI_ANY_ID, PCI_ANY_ID },
191 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1,
192 PCI_ANY_ID, PCI_ANY_ID },
193 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2,
194 PCI_ANY_ID, PCI_ANY_ID },
195 {0} /* Terminating entry */
197 MODULE_DEVICE_TABLE(pci, scsih_pci_table);
200 * _scsih_set_debug_level - global setting of ioc->logging_level.
202 * Note: The logging levels are defined in mpt2sas_debug.h.
205 _scsih_set_debug_level(const char *val, struct kernel_param *kp)
207 int ret = param_set_int(val, kp);
208 struct MPT2SAS_ADAPTER *ioc;
213 printk(KERN_INFO "setting logging_level(0x%08x)\n", logging_level);
214 list_for_each_entry(ioc, &mpt2sas_ioc_list, list)
215 ioc->logging_level = logging_level;
218 module_param_call(logging_level, _scsih_set_debug_level, param_get_int,
219 &logging_level, 0644);
222 * _scsih_srch_boot_sas_address - search based on sas_address
223 * @sas_address: sas address
224 * @boot_device: boot device object from bios page 2
226 * Returns 1 when there's a match, 0 means no match.
229 _scsih_srch_boot_sas_address(u64 sas_address,
230 Mpi2BootDeviceSasWwid_t *boot_device)
232 return (sas_address == le64_to_cpu(boot_device->SASAddress)) ? 1 : 0;
236 * _scsih_srch_boot_device_name - search based on device name
237 * @device_name: device name specified in INDENTIFY fram
238 * @boot_device: boot device object from bios page 2
240 * Returns 1 when there's a match, 0 means no match.
243 _scsih_srch_boot_device_name(u64 device_name,
244 Mpi2BootDeviceDeviceName_t *boot_device)
246 return (device_name == le64_to_cpu(boot_device->DeviceName)) ? 1 : 0;
250 * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot
251 * @enclosure_logical_id: enclosure logical id
252 * @slot_number: slot number
253 * @boot_device: boot device object from bios page 2
255 * Returns 1 when there's a match, 0 means no match.
258 _scsih_srch_boot_encl_slot(u64 enclosure_logical_id, u16 slot_number,
259 Mpi2BootDeviceEnclosureSlot_t *boot_device)
261 return (enclosure_logical_id == le64_to_cpu(boot_device->
262 EnclosureLogicalID) && slot_number == le16_to_cpu(boot_device->
263 SlotNumber)) ? 1 : 0;
267 * _scsih_is_boot_device - search for matching boot device.
268 * @sas_address: sas address
269 * @device_name: device name specified in INDENTIFY fram
270 * @enclosure_logical_id: enclosure logical id
271 * @slot_number: slot number
272 * @form: specifies boot device form
273 * @boot_device: boot device object from bios page 2
275 * Returns 1 when there's a match, 0 means no match.
278 _scsih_is_boot_device(u64 sas_address, u64 device_name,
279 u64 enclosure_logical_id, u16 slot, u8 form,
280 Mpi2BiosPage2BootDevice_t *boot_device)
285 case MPI2_BIOSPAGE2_FORM_SAS_WWID:
288 rc = _scsih_srch_boot_sas_address(
289 sas_address, &boot_device->SasWwid);
291 case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT:
292 if (!enclosure_logical_id)
294 rc = _scsih_srch_boot_encl_slot(
295 enclosure_logical_id,
296 slot, &boot_device->EnclosureSlot);
298 case MPI2_BIOSPAGE2_FORM_DEVICE_NAME:
301 rc = _scsih_srch_boot_device_name(
302 device_name, &boot_device->DeviceName);
304 case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED:
312 * _scsih_determine_boot_device - determine boot device.
313 * @ioc: per adapter object
314 * @device: either sas_device or raid_device object
315 * @is_raid: [flag] 1 = raid object, 0 = sas object
317 * Determines whether this device should be first reported device to
318 * to scsi-ml or sas transport, this purpose is for persistant boot device.
319 * There are primary, alternate, and current entries in bios page 2. The order
320 * priority is primary, alternate, then current. This routine saves
321 * the corresponding device object and is_raid flag in the ioc object.
322 * The saved data to be used later in _scsih_probe_boot_devices().
325 _scsih_determine_boot_device(struct MPT2SAS_ADAPTER *ioc,
326 void *device, u8 is_raid)
328 struct _sas_device *sas_device;
329 struct _raid_device *raid_device;
332 u64 enclosure_logical_id;
335 /* only process this function when driver loads */
336 if (!ioc->wait_for_port_enable_to_complete)
341 sas_address = sas_device->sas_address;
342 device_name = sas_device->device_name;
343 enclosure_logical_id = sas_device->enclosure_logical_id;
344 slot = sas_device->slot;
346 raid_device = device;
347 sas_address = raid_device->wwid;
349 enclosure_logical_id = 0;
353 if (!ioc->req_boot_device.device) {
354 if (_scsih_is_boot_device(sas_address, device_name,
355 enclosure_logical_id, slot,
356 (ioc->bios_pg2.ReqBootDeviceForm &
357 MPI2_BIOSPAGE2_FORM_MASK),
358 &ioc->bios_pg2.RequestedBootDevice)) {
359 dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT
360 "%s: req_boot_device(0x%016llx)\n",
362 (unsigned long long)sas_address));
363 ioc->req_boot_device.device = device;
364 ioc->req_boot_device.is_raid = is_raid;
368 if (!ioc->req_alt_boot_device.device) {
369 if (_scsih_is_boot_device(sas_address, device_name,
370 enclosure_logical_id, slot,
371 (ioc->bios_pg2.ReqAltBootDeviceForm &
372 MPI2_BIOSPAGE2_FORM_MASK),
373 &ioc->bios_pg2.RequestedAltBootDevice)) {
374 dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT
375 "%s: req_alt_boot_device(0x%016llx)\n",
377 (unsigned long long)sas_address));
378 ioc->req_alt_boot_device.device = device;
379 ioc->req_alt_boot_device.is_raid = is_raid;
383 if (!ioc->current_boot_device.device) {
384 if (_scsih_is_boot_device(sas_address, device_name,
385 enclosure_logical_id, slot,
386 (ioc->bios_pg2.CurrentBootDeviceForm &
387 MPI2_BIOSPAGE2_FORM_MASK),
388 &ioc->bios_pg2.CurrentBootDevice)) {
389 dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT
390 "%s: current_boot_device(0x%016llx)\n",
392 (unsigned long long)sas_address));
393 ioc->current_boot_device.device = device;
394 ioc->current_boot_device.is_raid = is_raid;
400 * mpt2sas_scsih_sas_device_find_by_sas_address - sas device search
401 * @ioc: per adapter object
402 * @sas_address: sas address
403 * Context: Calling function should acquire ioc->sas_device_lock
405 * This searches for sas_device based on sas_address, then return sas_device
409 mpt2sas_scsih_sas_device_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
412 struct _sas_device *sas_device, *r;
415 /* check the sas_device_init_list */
416 list_for_each_entry(sas_device, &ioc->sas_device_init_list,
418 if (sas_device->sas_address != sas_address)
424 /* then check the sas_device_list */
425 list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
426 if (sas_device->sas_address != sas_address)
436 * _scsih_sas_device_find_by_handle - sas device search
437 * @ioc: per adapter object
438 * @handle: sas device handle (assigned by firmware)
439 * Context: Calling function should acquire ioc->sas_device_lock
441 * This searches for sas_device based on sas_address, then return sas_device
444 static struct _sas_device *
445 _scsih_sas_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
447 struct _sas_device *sas_device, *r;
450 if (ioc->wait_for_port_enable_to_complete) {
451 list_for_each_entry(sas_device, &ioc->sas_device_init_list,
453 if (sas_device->handle != handle)
459 list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
460 if (sas_device->handle != handle)
472 * _scsih_sas_device_remove - remove sas_device from list.
473 * @ioc: per adapter object
474 * @sas_device: the sas_device object
475 * Context: This function will acquire ioc->sas_device_lock.
477 * Removing object and freeing associated memory from the ioc->sas_device_list.
480 _scsih_sas_device_remove(struct MPT2SAS_ADAPTER *ioc,
481 struct _sas_device *sas_device)
485 spin_lock_irqsave(&ioc->sas_device_lock, flags);
486 list_del(&sas_device->list);
487 memset(sas_device, 0, sizeof(struct _sas_device));
489 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
493 * _scsih_sas_device_add - insert sas_device to the list.
494 * @ioc: per adapter object
495 * @sas_device: the sas_device object
496 * Context: This function will acquire ioc->sas_device_lock.
498 * Adding new object to the ioc->sas_device_list.
501 _scsih_sas_device_add(struct MPT2SAS_ADAPTER *ioc,
502 struct _sas_device *sas_device)
505 u16 handle, parent_handle;
508 dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle"
509 "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
510 sas_device->handle, (unsigned long long)sas_device->sas_address));
512 spin_lock_irqsave(&ioc->sas_device_lock, flags);
513 list_add_tail(&sas_device->list, &ioc->sas_device_list);
514 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
516 handle = sas_device->handle;
517 parent_handle = sas_device->parent_handle;
518 sas_address = sas_device->sas_address;
519 if (!mpt2sas_transport_port_add(ioc, handle, parent_handle))
520 _scsih_sas_device_remove(ioc, sas_device);
524 * _scsih_sas_device_init_add - insert sas_device to the list.
525 * @ioc: per adapter object
526 * @sas_device: the sas_device object
527 * Context: This function will acquire ioc->sas_device_lock.
529 * Adding new object at driver load time to the ioc->sas_device_init_list.
532 _scsih_sas_device_init_add(struct MPT2SAS_ADAPTER *ioc,
533 struct _sas_device *sas_device)
537 dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle"
538 "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
539 sas_device->handle, (unsigned long long)sas_device->sas_address));
541 spin_lock_irqsave(&ioc->sas_device_lock, flags);
542 list_add_tail(&sas_device->list, &ioc->sas_device_init_list);
543 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
544 _scsih_determine_boot_device(ioc, sas_device, 0);
548 * mpt2sas_scsih_expander_find_by_handle - expander device search
549 * @ioc: per adapter object
550 * @handle: expander handle (assigned by firmware)
551 * Context: Calling function should acquire ioc->sas_device_lock
553 * This searches for expander device based on handle, then returns the
557 mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
559 struct _sas_node *sas_expander, *r;
562 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
563 if (sas_expander->handle != handle)
573 * _scsih_raid_device_find_by_id - raid device search
574 * @ioc: per adapter object
575 * @id: sas device target id
576 * @channel: sas device channel
577 * Context: Calling function should acquire ioc->raid_device_lock
579 * This searches for raid_device based on target id, then return raid_device
582 static struct _raid_device *
583 _scsih_raid_device_find_by_id(struct MPT2SAS_ADAPTER *ioc, int id, int channel)
585 struct _raid_device *raid_device, *r;
588 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
589 if (raid_device->id == id && raid_device->channel == channel) {
600 * _scsih_raid_device_find_by_handle - raid device search
601 * @ioc: per adapter object
602 * @handle: sas device handle (assigned by firmware)
603 * Context: Calling function should acquire ioc->raid_device_lock
605 * This searches for raid_device based on handle, then return raid_device
608 static struct _raid_device *
609 _scsih_raid_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
611 struct _raid_device *raid_device, *r;
614 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
615 if (raid_device->handle != handle)
626 * _scsih_raid_device_find_by_wwid - raid device search
627 * @ioc: per adapter object
628 * @handle: sas device handle (assigned by firmware)
629 * Context: Calling function should acquire ioc->raid_device_lock
631 * This searches for raid_device based on wwid, then return raid_device
634 static struct _raid_device *
635 _scsih_raid_device_find_by_wwid(struct MPT2SAS_ADAPTER *ioc, u64 wwid)
637 struct _raid_device *raid_device, *r;
640 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
641 if (raid_device->wwid != wwid)
652 * _scsih_raid_device_add - add raid_device object
653 * @ioc: per adapter object
654 * @raid_device: raid_device object
656 * This is added to the raid_device_list link list.
659 _scsih_raid_device_add(struct MPT2SAS_ADAPTER *ioc,
660 struct _raid_device *raid_device)
664 dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle"
665 "(0x%04x), wwid(0x%016llx)\n", ioc->name, __func__,
666 raid_device->handle, (unsigned long long)raid_device->wwid));
668 spin_lock_irqsave(&ioc->raid_device_lock, flags);
669 list_add_tail(&raid_device->list, &ioc->raid_device_list);
670 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
674 * _scsih_raid_device_remove - delete raid_device object
675 * @ioc: per adapter object
676 * @raid_device: raid_device object
678 * This is removed from the raid_device_list link list.
681 _scsih_raid_device_remove(struct MPT2SAS_ADAPTER *ioc,
682 struct _raid_device *raid_device)
686 spin_lock_irqsave(&ioc->raid_device_lock, flags);
687 list_del(&raid_device->list);
688 memset(raid_device, 0, sizeof(struct _raid_device));
690 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
694 * mpt2sas_scsih_expander_find_by_sas_address - expander device search
695 * @ioc: per adapter object
696 * @sas_address: sas address
697 * Context: Calling function should acquire ioc->sas_node_lock.
699 * This searches for expander device based on sas_address, then returns the
703 mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
706 struct _sas_node *sas_expander, *r;
709 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
710 if (sas_expander->sas_address != sas_address)
720 * _scsih_expander_node_add - insert expander device to the list.
721 * @ioc: per adapter object
722 * @sas_expander: the sas_device object
723 * Context: This function will acquire ioc->sas_node_lock.
725 * Adding new object to the ioc->sas_expander_list.
730 _scsih_expander_node_add(struct MPT2SAS_ADAPTER *ioc,
731 struct _sas_node *sas_expander)
735 spin_lock_irqsave(&ioc->sas_node_lock, flags);
736 list_add_tail(&sas_expander->list, &ioc->sas_expander_list);
737 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
741 * _scsih_is_end_device - determines if device is an end device
742 * @device_info: bitfield providing information about the device.
745 * Returns 1 if end device.
748 _scsih_is_end_device(u32 device_info)
750 if (device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE &&
751 ((device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) |
752 (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) |
753 (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)))
760 * _scsih_scsi_lookup_get - returns scmd entry
761 * @ioc: per adapter object
762 * @smid: system request message index
763 * Context: This function will acquire ioc->scsi_lookup_lock.
765 * Returns the smid stored scmd pointer.
767 static struct scsi_cmnd *
768 _scsih_scsi_lookup_get(struct MPT2SAS_ADAPTER *ioc, u16 smid)
771 struct scsi_cmnd *scmd;
773 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
774 scmd = ioc->scsi_lookup[smid - 1].scmd;
775 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
780 * mptscsih_getclear_scsi_lookup - returns scmd entry
781 * @ioc: per adapter object
782 * @smid: system request message index
783 * Context: This function will acquire ioc->scsi_lookup_lock.
785 * Returns the smid stored scmd pointer, as well as clearing the scmd pointer.
787 static struct scsi_cmnd *
788 _scsih_scsi_lookup_getclear(struct MPT2SAS_ADAPTER *ioc, u16 smid)
791 struct scsi_cmnd *scmd;
793 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
794 scmd = ioc->scsi_lookup[smid - 1].scmd;
795 ioc->scsi_lookup[smid - 1].scmd = NULL;
796 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
801 * _scsih_scsi_lookup_set - updates scmd entry in lookup
802 * @ioc: per adapter object
803 * @smid: system request message index
804 * @scmd: pointer to scsi command object
805 * Context: This function will acquire ioc->scsi_lookup_lock.
807 * This will save scmd pointer in the scsi_lookup array.
812 _scsih_scsi_lookup_set(struct MPT2SAS_ADAPTER *ioc, u16 smid,
813 struct scsi_cmnd *scmd)
817 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
818 ioc->scsi_lookup[smid - 1].scmd = scmd;
819 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
823 * _scsih_scsi_lookup_find_by_scmd - scmd lookup
824 * @ioc: per adapter object
825 * @smid: system request message index
826 * @scmd: pointer to scsi command object
827 * Context: This function will acquire ioc->scsi_lookup_lock.
829 * This will search for a scmd pointer in the scsi_lookup array,
830 * returning the revelent smid. A returned value of zero means invalid.
833 _scsih_scsi_lookup_find_by_scmd(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd
840 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
842 for (i = 0; i < ioc->request_depth; i++) {
843 if (ioc->scsi_lookup[i].scmd == scmd) {
849 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
854 * _scsih_scsi_lookup_find_by_target - search for matching channel:id
855 * @ioc: per adapter object
858 * Context: This function will acquire ioc->scsi_lookup_lock.
860 * This will search for a matching channel:id in the scsi_lookup array,
861 * returning 1 if found.
864 _scsih_scsi_lookup_find_by_target(struct MPT2SAS_ADAPTER *ioc, int id,
871 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
873 for (i = 0 ; i < ioc->request_depth; i++) {
874 if (ioc->scsi_lookup[i].scmd &&
875 (ioc->scsi_lookup[i].scmd->device->id == id &&
876 ioc->scsi_lookup[i].scmd->device->channel == channel)) {
882 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
887 * _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun
888 * @ioc: per adapter object
892 * Context: This function will acquire ioc->scsi_lookup_lock.
894 * This will search for a matching channel:id:lun in the scsi_lookup array,
895 * returning 1 if found.
898 _scsih_scsi_lookup_find_by_lun(struct MPT2SAS_ADAPTER *ioc, int id,
899 unsigned int lun, int channel)
905 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
907 for (i = 0 ; i < ioc->request_depth; i++) {
908 if (ioc->scsi_lookup[i].scmd &&
909 (ioc->scsi_lookup[i].scmd->device->id == id &&
910 ioc->scsi_lookup[i].scmd->device->channel == channel &&
911 ioc->scsi_lookup[i].scmd->device->lun == lun)) {
917 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
922 * _scsih_get_chain_buffer_dma - obtain block of chains (dma address)
923 * @ioc: per adapter object
924 * @smid: system request message index
926 * Returns phys pointer to chain buffer.
929 _scsih_get_chain_buffer_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid)
931 return ioc->chain_dma + ((smid - 1) * (ioc->request_sz *
932 ioc->chains_needed_per_io));
936 * _scsih_get_chain_buffer - obtain block of chains assigned to a mf request
937 * @ioc: per adapter object
938 * @smid: system request message index
940 * Returns virt pointer to chain buffer.
943 _scsih_get_chain_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid)
945 return (void *)(ioc->chain + ((smid - 1) * (ioc->request_sz *
946 ioc->chains_needed_per_io)));
950 * _scsih_build_scatter_gather - main sg creation routine
951 * @ioc: per adapter object
952 * @scmd: scsi command
953 * @smid: system request message index
956 * The main routine that builds scatter gather table from a given
957 * scsi request sent via the .queuecommand main handler.
959 * Returns 0 success, anything else error
962 _scsih_build_scatter_gather(struct MPT2SAS_ADAPTER *ioc,
963 struct scsi_cmnd *scmd, u16 smid)
965 Mpi2SCSIIORequest_t *mpi_request;
966 dma_addr_t chain_dma;
967 struct scatterlist *sg_scmd;
968 void *sg_local, *chain;
975 u32 sgl_flags_last_element;
976 u32 sgl_flags_end_buffer;
978 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
980 /* init scatter gather flags */
981 sgl_flags = MPI2_SGE_FLAGS_SIMPLE_ELEMENT;
982 if (scmd->sc_data_direction == DMA_TO_DEVICE)
983 sgl_flags |= MPI2_SGE_FLAGS_HOST_TO_IOC;
984 sgl_flags_last_element = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT)
985 << MPI2_SGE_FLAGS_SHIFT;
986 sgl_flags_end_buffer = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT |
987 MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST)
988 << MPI2_SGE_FLAGS_SHIFT;
989 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
991 sg_scmd = scsi_sglist(scmd);
992 sges_left = scsi_dma_map(scmd);
994 sdev_printk(KERN_ERR, scmd->device, "pci_map_sg"
995 " failed: request for %d bytes!\n", scsi_bufflen(scmd));
999 sg_local = &mpi_request->SGL;
1000 sges_in_segment = ioc->max_sges_in_main_message;
1001 if (sges_left <= sges_in_segment)
1002 goto fill_in_last_segment;
1004 mpi_request->ChainOffset = (offsetof(Mpi2SCSIIORequest_t, SGL) +
1005 (sges_in_segment * ioc->sge_size))/4;
1007 /* fill in main message segment when there is a chain following */
1008 while (sges_in_segment) {
1009 if (sges_in_segment == 1)
1010 ioc->base_add_sg_single(sg_local,
1011 sgl_flags_last_element | sg_dma_len(sg_scmd),
1012 sg_dma_address(sg_scmd));
1014 ioc->base_add_sg_single(sg_local, sgl_flags |
1015 sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
1016 sg_scmd = sg_next(sg_scmd);
1017 sg_local += ioc->sge_size;
1022 /* initializing the chain flags and pointers */
1023 chain_flags = MPI2_SGE_FLAGS_CHAIN_ELEMENT << MPI2_SGE_FLAGS_SHIFT;
1024 chain = _scsih_get_chain_buffer(ioc, smid);
1025 chain_dma = _scsih_get_chain_buffer_dma(ioc, smid);
1027 sges_in_segment = (sges_left <=
1028 ioc->max_sges_in_chain_message) ? sges_left :
1029 ioc->max_sges_in_chain_message;
1030 chain_offset = (sges_left == sges_in_segment) ?
1031 0 : (sges_in_segment * ioc->sge_size)/4;
1032 chain_length = sges_in_segment * ioc->sge_size;
1034 chain_offset = chain_offset <<
1035 MPI2_SGE_CHAIN_OFFSET_SHIFT;
1036 chain_length += ioc->sge_size;
1038 ioc->base_add_sg_single(sg_local, chain_flags | chain_offset |
1039 chain_length, chain_dma);
1042 goto fill_in_last_segment;
1044 /* fill in chain segments */
1045 while (sges_in_segment) {
1046 if (sges_in_segment == 1)
1047 ioc->base_add_sg_single(sg_local,
1048 sgl_flags_last_element |
1049 sg_dma_len(sg_scmd),
1050 sg_dma_address(sg_scmd));
1052 ioc->base_add_sg_single(sg_local, sgl_flags |
1053 sg_dma_len(sg_scmd),
1054 sg_dma_address(sg_scmd));
1055 sg_scmd = sg_next(sg_scmd);
1056 sg_local += ioc->sge_size;
1061 chain_dma += ioc->request_sz;
1062 chain += ioc->request_sz;
1066 fill_in_last_segment:
1068 /* fill the last segment */
1071 ioc->base_add_sg_single(sg_local, sgl_flags_end_buffer |
1072 sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
1074 ioc->base_add_sg_single(sg_local, sgl_flags |
1075 sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
1076 sg_scmd = sg_next(sg_scmd);
1077 sg_local += ioc->sge_size;
1085 * _scsih_change_queue_depth - setting device queue depth
1086 * @sdev: scsi device struct
1087 * @qdepth: requested queue depth
1089 * Returns queue depth.
1092 _scsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
1094 struct Scsi_Host *shost = sdev->host;
1098 max_depth = shost->can_queue;
1099 if (!sdev->tagged_supported)
1101 if (qdepth > max_depth)
1103 tag_type = (qdepth == 1) ? 0 : MSG_SIMPLE_TAG;
1104 scsi_adjust_queue_depth(sdev, tag_type, qdepth);
1106 if (sdev->inquiry_len > 7)
1107 sdev_printk(KERN_INFO, sdev, "qdepth(%d), tagged(%d), "
1108 "simple(%d), ordered(%d), scsi_level(%d), cmd_que(%d)\n",
1109 sdev->queue_depth, sdev->tagged_supported, sdev->simple_tags,
1110 sdev->ordered_tags, sdev->scsi_level,
1111 (sdev->inquiry[7] & 2) >> 1);
1113 return sdev->queue_depth;
1117 * _scsih_change_queue_depth - changing device queue tag type
1118 * @sdev: scsi device struct
1119 * @tag_type: requested tag type
1121 * Returns queue tag type.
1124 _scsih_change_queue_type(struct scsi_device *sdev, int tag_type)
1126 if (sdev->tagged_supported) {
1127 scsi_set_tag_type(sdev, tag_type);
1129 scsi_activate_tcq(sdev, sdev->queue_depth);
1131 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1139 * _scsih_target_alloc - target add routine
1140 * @starget: scsi target struct
1142 * Returns 0 if ok. Any other return is assumed to be an error and
1143 * the device is ignored.
1146 _scsih_target_alloc(struct scsi_target *starget)
1148 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
1149 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
1150 struct MPT2SAS_TARGET *sas_target_priv_data;
1151 struct _sas_device *sas_device;
1152 struct _raid_device *raid_device;
1153 unsigned long flags;
1154 struct sas_rphy *rphy;
1156 sas_target_priv_data = kzalloc(sizeof(struct scsi_target), GFP_KERNEL);
1157 if (!sas_target_priv_data)
1160 starget->hostdata = sas_target_priv_data;
1161 sas_target_priv_data->starget = starget;
1162 sas_target_priv_data->handle = MPT2SAS_INVALID_DEVICE_HANDLE;
1165 if (starget->channel == RAID_CHANNEL) {
1166 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1167 raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
1170 sas_target_priv_data->handle = raid_device->handle;
1171 sas_target_priv_data->sas_address = raid_device->wwid;
1172 sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME;
1173 raid_device->starget = starget;
1175 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1179 /* sas/sata devices */
1180 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1181 rphy = dev_to_rphy(starget->dev.parent);
1182 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
1183 rphy->identify.sas_address);
1186 sas_target_priv_data->handle = sas_device->handle;
1187 sas_target_priv_data->sas_address = sas_device->sas_address;
1188 sas_device->starget = starget;
1189 sas_device->id = starget->id;
1190 sas_device->channel = starget->channel;
1191 if (sas_device->hidden_raid_component)
1192 sas_target_priv_data->flags |=
1193 MPT_TARGET_FLAGS_RAID_COMPONENT;
1195 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1201 * _scsih_target_destroy - target destroy routine
1202 * @starget: scsi target struct
1207 _scsih_target_destroy(struct scsi_target *starget)
1209 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
1210 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
1211 struct MPT2SAS_TARGET *sas_target_priv_data;
1212 struct _sas_device *sas_device;
1213 struct _raid_device *raid_device;
1214 unsigned long flags;
1215 struct sas_rphy *rphy;
1217 sas_target_priv_data = starget->hostdata;
1218 if (!sas_target_priv_data)
1221 if (starget->channel == RAID_CHANNEL) {
1222 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1223 raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
1226 raid_device->starget = NULL;
1227 raid_device->sdev = NULL;
1229 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1233 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1234 rphy = dev_to_rphy(starget->dev.parent);
1235 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
1236 rphy->identify.sas_address);
1237 if (sas_device && (sas_device->starget == starget) &&
1238 (sas_device->id == starget->id) &&
1239 (sas_device->channel == starget->channel))
1240 sas_device->starget = NULL;
1242 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1245 kfree(sas_target_priv_data);
1246 starget->hostdata = NULL;
1250 * _scsih_slave_alloc - device add routine
1251 * @sdev: scsi device struct
1253 * Returns 0 if ok. Any other return is assumed to be an error and
1254 * the device is ignored.
1257 _scsih_slave_alloc(struct scsi_device *sdev)
1259 struct Scsi_Host *shost;
1260 struct MPT2SAS_ADAPTER *ioc;
1261 struct MPT2SAS_TARGET *sas_target_priv_data;
1262 struct MPT2SAS_DEVICE *sas_device_priv_data;
1263 struct scsi_target *starget;
1264 struct _raid_device *raid_device;
1265 struct _sas_device *sas_device;
1266 unsigned long flags;
1268 sas_device_priv_data = kzalloc(sizeof(struct scsi_device), GFP_KERNEL);
1269 if (!sas_device_priv_data)
1272 sas_device_priv_data->lun = sdev->lun;
1273 sas_device_priv_data->flags = MPT_DEVICE_FLAGS_INIT;
1275 starget = scsi_target(sdev);
1276 sas_target_priv_data = starget->hostdata;
1277 sas_target_priv_data->num_luns++;
1278 sas_device_priv_data->sas_target = sas_target_priv_data;
1279 sdev->hostdata = sas_device_priv_data;
1280 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT))
1281 sdev->no_uld_attach = 1;
1283 shost = dev_to_shost(&starget->dev);
1284 ioc = shost_priv(shost);
1285 if (starget->channel == RAID_CHANNEL) {
1286 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1287 raid_device = _scsih_raid_device_find_by_id(ioc,
1288 starget->id, starget->channel);
1290 raid_device->sdev = sdev; /* raid is single lun */
1291 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1293 /* set TLR bit for SSP devices */
1294 if (!(ioc->facts.IOCCapabilities &
1295 MPI2_IOCFACTS_CAPABILITY_TLR))
1297 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1298 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
1299 sas_device_priv_data->sas_target->sas_address);
1300 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1301 if (sas_device && sas_device->device_info &
1302 MPI2_SAS_DEVICE_INFO_SSP_TARGET)
1303 sas_device_priv_data->flags |= MPT_DEVICE_TLR_ON;
1311 * _scsih_slave_destroy - device destroy routine
1312 * @sdev: scsi device struct
1317 _scsih_slave_destroy(struct scsi_device *sdev)
1319 struct MPT2SAS_TARGET *sas_target_priv_data;
1320 struct scsi_target *starget;
1322 if (!sdev->hostdata)
1325 starget = scsi_target(sdev);
1326 sas_target_priv_data = starget->hostdata;
1327 sas_target_priv_data->num_luns--;
1328 kfree(sdev->hostdata);
1329 sdev->hostdata = NULL;
1333 * _scsih_display_sata_capabilities - sata capabilities
1334 * @ioc: per adapter object
1335 * @sas_device: the sas_device object
1336 * @sdev: scsi device struct
1339 _scsih_display_sata_capabilities(struct MPT2SAS_ADAPTER *ioc,
1340 struct _sas_device *sas_device, struct scsi_device *sdev)
1342 Mpi2ConfigReply_t mpi_reply;
1343 Mpi2SasDevicePage0_t sas_device_pg0;
1348 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
1349 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, sas_device->handle))) {
1350 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1351 ioc->name, __FILE__, __LINE__, __func__);
1355 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
1356 MPI2_IOCSTATUS_MASK;
1357 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
1358 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1359 ioc->name, __FILE__, __LINE__, __func__);
1363 flags = le16_to_cpu(sas_device_pg0.Flags);
1364 device_info = le16_to_cpu(sas_device_pg0.DeviceInfo);
1366 sdev_printk(KERN_INFO, sdev,
1367 "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), "
1368 "sw_preserve(%s)\n",
1369 (device_info & MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? "y" : "n",
1370 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED) ? "y" : "n",
1371 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY) ? "y" :
1373 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED) ? "y" : "n",
1374 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED) ? "y" : "n",
1375 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE) ? "y" : "n");
1379 * _scsih_get_volume_capabilities - volume capabilities
1380 * @ioc: per adapter object
1381 * @sas_device: the raid_device object
1384 _scsih_get_volume_capabilities(struct MPT2SAS_ADAPTER *ioc,
1385 struct _raid_device *raid_device)
1387 Mpi2RaidVolPage0_t *vol_pg0;
1388 Mpi2RaidPhysDiskPage0_t pd_pg0;
1389 Mpi2SasDevicePage0_t sas_device_pg0;
1390 Mpi2ConfigReply_t mpi_reply;
1394 if ((mpt2sas_config_get_number_pds(ioc, raid_device->handle,
1395 &num_pds)) || !num_pds) {
1396 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1397 ioc->name, __FILE__, __LINE__, __func__);
1401 raid_device->num_pds = num_pds;
1402 sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds *
1403 sizeof(Mpi2RaidVol0PhysDisk_t));
1404 vol_pg0 = kzalloc(sz, GFP_KERNEL);
1406 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1407 ioc->name, __FILE__, __LINE__, __func__);
1411 if ((mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0,
1412 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) {
1413 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1414 ioc->name, __FILE__, __LINE__, __func__);
1419 raid_device->volume_type = vol_pg0->VolumeType;
1421 /* figure out what the underlying devices are by
1422 * obtaining the device_info bits for the 1st device
1424 if (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
1425 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM,
1426 vol_pg0->PhysDisk[0].PhysDiskNum))) {
1427 if (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
1428 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
1429 le16_to_cpu(pd_pg0.DevHandle)))) {
1430 raid_device->device_info =
1431 le32_to_cpu(sas_device_pg0.DeviceInfo);
1439 * _scsih_slave_configure - device configure routine.
1440 * @sdev: scsi device struct
1442 * Returns 0 if ok. Any other return is assumed to be an error and
1443 * the device is ignored.
1446 _scsih_slave_configure(struct scsi_device *sdev)
1448 struct Scsi_Host *shost = sdev->host;
1449 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
1450 struct MPT2SAS_DEVICE *sas_device_priv_data;
1451 struct MPT2SAS_TARGET *sas_target_priv_data;
1452 struct _sas_device *sas_device;
1453 struct _raid_device *raid_device;
1454 unsigned long flags;
1461 sas_device_priv_data = sdev->hostdata;
1462 sas_device_priv_data->configured_lun = 1;
1463 sas_device_priv_data->flags &= ~MPT_DEVICE_FLAGS_INIT;
1464 sas_target_priv_data = sas_device_priv_data->sas_target;
1466 /* raid volume handling */
1467 if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME) {
1469 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1470 raid_device = _scsih_raid_device_find_by_handle(ioc,
1471 sas_target_priv_data->handle);
1472 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1474 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1475 ioc->name, __FILE__, __LINE__, __func__);
1479 _scsih_get_volume_capabilities(ioc, raid_device);
1481 /* RAID Queue Depth Support
1482 * IS volume = underlying qdepth of drive type, either
1483 * MPT2SAS_SAS_QUEUE_DEPTH or MPT2SAS_SATA_QUEUE_DEPTH
1484 * IM/IME/R10 = 128 (MPT2SAS_RAID_QUEUE_DEPTH)
1486 if (raid_device->device_info &
1487 MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
1488 qdepth = MPT2SAS_SAS_QUEUE_DEPTH;
1491 qdepth = MPT2SAS_SATA_QUEUE_DEPTH;
1492 if (raid_device->device_info &
1493 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
1499 switch (raid_device->volume_type) {
1500 case MPI2_RAID_VOL_TYPE_RAID0:
1503 case MPI2_RAID_VOL_TYPE_RAID1E:
1504 qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
1507 case MPI2_RAID_VOL_TYPE_RAID1:
1508 qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
1511 case MPI2_RAID_VOL_TYPE_RAID10:
1512 qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
1515 case MPI2_RAID_VOL_TYPE_UNKNOWN:
1517 qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
1522 sdev_printk(KERN_INFO, sdev, "%s: "
1523 "handle(0x%04x), wwid(0x%016llx), pd_count(%d), type(%s)\n",
1524 r_level, raid_device->handle,
1525 (unsigned long long)raid_device->wwid,
1526 raid_device->num_pds, ds);
1527 _scsih_change_queue_depth(sdev, qdepth);
1531 /* non-raid handling */
1532 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1533 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
1534 sas_device_priv_data->sas_target->sas_address);
1535 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1537 if (sas_target_priv_data->flags &
1538 MPT_TARGET_FLAGS_RAID_COMPONENT) {
1539 mpt2sas_config_get_volume_handle(ioc,
1540 sas_device->handle, &sas_device->volume_handle);
1541 mpt2sas_config_get_volume_wwid(ioc,
1542 sas_device->volume_handle,
1543 &sas_device->volume_wwid);
1545 if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
1546 qdepth = MPT2SAS_SAS_QUEUE_DEPTH;
1550 qdepth = MPT2SAS_SATA_QUEUE_DEPTH;
1551 if (sas_device->device_info &
1552 MPI2_SAS_DEVICE_INFO_STP_TARGET)
1554 else if (sas_device->device_info &
1555 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
1559 sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), "
1560 "sas_addr(0x%016llx), device_name(0x%016llx)\n",
1561 ds, sas_device->handle,
1562 (unsigned long long)sas_device->sas_address,
1563 (unsigned long long)sas_device->device_name);
1564 sdev_printk(KERN_INFO, sdev, "%s: "
1565 "enclosure_logical_id(0x%016llx), slot(%d)\n", ds,
1566 (unsigned long long) sas_device->enclosure_logical_id,
1570 _scsih_display_sata_capabilities(ioc, sas_device, sdev);
1573 _scsih_change_queue_depth(sdev, qdepth);
1576 sas_read_port_mode_page(sdev);
1581 * _scsih_bios_param - fetch head, sector, cylinder info for a disk
1582 * @sdev: scsi device struct
1583 * @bdev: pointer to block device context
1584 * @capacity: device size (in 512 byte sectors)
1585 * @params: three element array to place output:
1586 * params[0] number of heads (max 255)
1587 * params[1] number of sectors (max 63)
1588 * params[2] number of cylinders
1593 _scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev,
1594 sector_t capacity, int params[])
1604 dummy = heads * sectors;
1605 cylinders = capacity;
1606 sector_div(cylinders, dummy);
1609 * Handle extended translation size for logical drives
1612 if ((ulong)capacity >= 0x200000) {
1615 dummy = heads * sectors;
1616 cylinders = capacity;
1617 sector_div(cylinders, dummy);
1622 params[1] = sectors;
1623 params[2] = cylinders;
1629 * _scsih_response_code - translation of device response code
1630 * @ioc: per adapter object
1631 * @response_code: response code returned by the device
1636 _scsih_response_code(struct MPT2SAS_ADAPTER *ioc, u8 response_code)
1640 switch (response_code) {
1641 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE:
1642 desc = "task management request completed";
1644 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME:
1645 desc = "invalid frame";
1647 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
1648 desc = "task management request not supported";
1650 case MPI2_SCSITASKMGMT_RSP_TM_FAILED:
1651 desc = "task management request failed";
1653 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED:
1654 desc = "task management request succeeded";
1656 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN:
1657 desc = "invalid lun";
1660 desc = "overlapped tag attempted";
1662 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
1663 desc = "task queued, however not sent to target";
1669 printk(MPT2SAS_WARN_FMT "response_code(0x%01x): %s\n",
1670 ioc->name, response_code, desc);
1674 * _scsih_tm_done - tm completion routine
1675 * @ioc: per adapter object
1676 * @smid: system request message index
1677 * @VF_ID: virtual function id
1678 * @reply: reply message frame(lower 32bit addr)
1681 * The callback handler when using scsih_issue_tm.
1686 _scsih_tm_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply)
1688 MPI2DefaultReply_t *mpi_reply;
1690 if (ioc->tm_cmds.status == MPT2_CMD_NOT_USED)
1692 if (ioc->tm_cmds.smid != smid)
1694 ioc->tm_cmds.status |= MPT2_CMD_COMPLETE;
1695 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
1697 memcpy(ioc->tm_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
1698 ioc->tm_cmds.status |= MPT2_CMD_REPLY_VALID;
1700 ioc->tm_cmds.status &= ~MPT2_CMD_PENDING;
1701 complete(&ioc->tm_cmds.done);
1705 * mpt2sas_scsih_set_tm_flag - set per target tm_busy
1706 * @ioc: per adapter object
1707 * @handle: device handle
1709 * During taskmangement request, we need to freeze the device queue.
1712 mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle)
1714 struct MPT2SAS_DEVICE *sas_device_priv_data;
1715 struct scsi_device *sdev;
1718 shost_for_each_device(sdev, ioc->shost) {
1721 sas_device_priv_data = sdev->hostdata;
1722 if (!sas_device_priv_data)
1724 if (sas_device_priv_data->sas_target->handle == handle) {
1725 sas_device_priv_data->sas_target->tm_busy = 1;
1727 ioc->ignore_loginfos = 1;
1733 * mpt2sas_scsih_clear_tm_flag - clear per target tm_busy
1734 * @ioc: per adapter object
1735 * @handle: device handle
1737 * During taskmangement request, we need to freeze the device queue.
1740 mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle)
1742 struct MPT2SAS_DEVICE *sas_device_priv_data;
1743 struct scsi_device *sdev;
1746 shost_for_each_device(sdev, ioc->shost) {
1749 sas_device_priv_data = sdev->hostdata;
1750 if (!sas_device_priv_data)
1752 if (sas_device_priv_data->sas_target->handle == handle) {
1753 sas_device_priv_data->sas_target->tm_busy = 0;
1755 ioc->ignore_loginfos = 0;
1761 * mpt2sas_scsih_issue_tm - main routine for sending tm requests
1762 * @ioc: per adapter struct
1763 * @device_handle: device handle
1765 * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h)
1766 * @smid_task: smid assigned to the task
1767 * @timeout: timeout in seconds
1768 * Context: The calling function needs to acquire the tm_cmds.mutex
1770 * A generic API for sending task management requests to firmware.
1772 * The ioc->tm_cmds.status flag should be MPT2_CMD_NOT_USED before calling
1775 * The callback index is set inside `ioc->tm_cb_idx`.
1780 mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun,
1781 u8 type, u16 smid_task, ulong timeout)
1783 Mpi2SCSITaskManagementRequest_t *mpi_request;
1784 Mpi2SCSITaskManagementReply_t *mpi_reply;
1787 unsigned long timeleft;
1789 unsigned long flags;
1791 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
1792 if (ioc->tm_cmds.status != MPT2_CMD_NOT_USED ||
1793 ioc->shost_recovery) {
1794 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
1795 printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
1796 __func__, ioc->name);
1799 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
1801 ioc_state = mpt2sas_base_get_iocstate(ioc, 0);
1802 if (ioc_state & MPI2_DOORBELL_USED) {
1803 dhsprintk(ioc, printk(MPT2SAS_DEBUG_FMT "unexpected doorbell "
1804 "active!\n", ioc->name));
1805 goto issue_host_reset;
1808 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
1809 mpt2sas_base_fault_info(ioc, ioc_state &
1810 MPI2_DOORBELL_DATA_MASK);
1811 goto issue_host_reset;
1814 smid = mpt2sas_base_get_smid(ioc, ioc->tm_cb_idx);
1816 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
1817 ioc->name, __func__);
1821 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "sending tm: handle(0x%04x),"
1822 " task_type(0x%02x), smid(%d)\n", ioc->name, handle, type, smid));
1823 ioc->tm_cmds.status = MPT2_CMD_PENDING;
1824 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
1825 ioc->tm_cmds.smid = smid;
1826 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
1827 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
1828 mpi_request->DevHandle = cpu_to_le16(handle);
1829 mpi_request->TaskType = type;
1830 mpi_request->TaskMID = cpu_to_le16(smid_task);
1831 int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN);
1832 mpt2sas_scsih_set_tm_flag(ioc, handle);
1833 mpt2sas_base_put_smid_hi_priority(ioc, smid, VF_ID);
1834 timeleft = wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ);
1835 mpt2sas_scsih_clear_tm_flag(ioc, handle);
1836 if (!(ioc->tm_cmds.status & MPT2_CMD_COMPLETE)) {
1837 printk(MPT2SAS_ERR_FMT "%s: timeout\n",
1838 ioc->name, __func__);
1839 _debug_dump_mf(mpi_request,
1840 sizeof(Mpi2SCSITaskManagementRequest_t)/4);
1841 if (!(ioc->tm_cmds.status & MPT2_CMD_RESET))
1842 goto issue_host_reset;
1845 if (ioc->tm_cmds.status & MPT2_CMD_REPLY_VALID) {
1846 mpi_reply = ioc->tm_cmds.reply;
1847 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "complete tm: "
1848 "ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n",
1849 ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
1850 le32_to_cpu(mpi_reply->IOCLogInfo),
1851 le32_to_cpu(mpi_reply->TerminationCount)));
1852 if (ioc->logging_level & MPT_DEBUG_TM)
1853 _scsih_response_code(ioc, mpi_reply->ResponseCode);
1857 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, FORCE_BIG_HAMMER);
1861 * _scsih_abort - eh threads main abort routine
1862 * @sdev: scsi device struct
1864 * Returns SUCCESS if command aborted else FAILED
1867 _scsih_abort(struct scsi_cmnd *scmd)
1869 struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
1870 struct MPT2SAS_DEVICE *sas_device_priv_data;
1874 struct scsi_cmnd *scmd_lookup;
1876 printk(MPT2SAS_INFO_FMT "attempting task abort! scmd(%p)\n",
1878 scsi_print_command(scmd);
1880 sas_device_priv_data = scmd->device->hostdata;
1881 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
1882 printk(MPT2SAS_INFO_FMT "device been deleted! scmd(%p)\n",
1884 scmd->result = DID_NO_CONNECT << 16;
1885 scmd->scsi_done(scmd);
1890 /* search for the command */
1891 smid = _scsih_scsi_lookup_find_by_scmd(ioc, scmd);
1893 scmd->result = DID_RESET << 16;
1898 /* for hidden raid components and volumes this is not supported */
1899 if (sas_device_priv_data->sas_target->flags &
1900 MPT_TARGET_FLAGS_RAID_COMPONENT ||
1901 sas_device_priv_data->sas_target->flags & MPT_TARGET_FLAGS_VOLUME) {
1902 scmd->result = DID_RESET << 16;
1907 mutex_lock(&ioc->tm_cmds.mutex);
1908 handle = sas_device_priv_data->sas_target->handle;
1909 mpt2sas_scsih_issue_tm(ioc, handle, sas_device_priv_data->lun,
1910 MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30);
1912 /* sanity check - see whether command actually completed */
1913 scmd_lookup = _scsih_scsi_lookup_get(ioc, smid);
1914 if (scmd_lookup && (scmd_lookup->serial_number == scmd->serial_number))
1918 ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
1919 mutex_unlock(&ioc->tm_cmds.mutex);
1922 printk(MPT2SAS_INFO_FMT "task abort: %s scmd(%p)\n",
1923 ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
1928 * _scsih_dev_reset - eh threads main device reset routine
1929 * @sdev: scsi device struct
1931 * Returns SUCCESS if command aborted else FAILED
1934 _scsih_dev_reset(struct scsi_cmnd *scmd)
1936 struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
1937 struct MPT2SAS_DEVICE *sas_device_priv_data;
1938 struct _sas_device *sas_device;
1939 unsigned long flags;
1943 printk(MPT2SAS_INFO_FMT "attempting device reset! scmd(%p)\n",
1945 scsi_print_command(scmd);
1947 sas_device_priv_data = scmd->device->hostdata;
1948 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
1949 printk(MPT2SAS_INFO_FMT "device been deleted! scmd(%p)\n",
1951 scmd->result = DID_NO_CONNECT << 16;
1952 scmd->scsi_done(scmd);
1957 /* for hidden raid components obtain the volume_handle */
1959 if (sas_device_priv_data->sas_target->flags &
1960 MPT_TARGET_FLAGS_RAID_COMPONENT) {
1961 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1962 sas_device = _scsih_sas_device_find_by_handle(ioc,
1963 sas_device_priv_data->sas_target->handle);
1965 handle = sas_device->volume_handle;
1966 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1968 handle = sas_device_priv_data->sas_target->handle;
1971 scmd->result = DID_RESET << 16;
1976 mutex_lock(&ioc->tm_cmds.mutex);
1977 mpt2sas_scsih_issue_tm(ioc, handle, 0,
1978 MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, scmd->device->lun,
1982 * sanity check see whether all commands to this device been
1985 if (_scsih_scsi_lookup_find_by_lun(ioc, scmd->device->id,
1986 scmd->device->lun, scmd->device->channel))
1990 ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
1991 mutex_unlock(&ioc->tm_cmds.mutex);
1994 printk(MPT2SAS_INFO_FMT "device reset: %s scmd(%p)\n",
1995 ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2000 * _scsih_target_reset - eh threads main target reset routine
2001 * @sdev: scsi device struct
2003 * Returns SUCCESS if command aborted else FAILED
2006 _scsih_target_reset(struct scsi_cmnd *scmd)
2008 struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2009 struct MPT2SAS_DEVICE *sas_device_priv_data;
2010 struct _sas_device *sas_device;
2011 unsigned long flags;
2015 printk(MPT2SAS_INFO_FMT "attempting target reset! scmd(%p)\n",
2017 scsi_print_command(scmd);
2019 sas_device_priv_data = scmd->device->hostdata;
2020 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
2021 printk(MPT2SAS_INFO_FMT "target been deleted! scmd(%p)\n",
2023 scmd->result = DID_NO_CONNECT << 16;
2024 scmd->scsi_done(scmd);
2029 /* for hidden raid components obtain the volume_handle */
2031 if (sas_device_priv_data->sas_target->flags &
2032 MPT_TARGET_FLAGS_RAID_COMPONENT) {
2033 spin_lock_irqsave(&ioc->sas_device_lock, flags);
2034 sas_device = _scsih_sas_device_find_by_handle(ioc,
2035 sas_device_priv_data->sas_target->handle);
2037 handle = sas_device->volume_handle;
2038 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2040 handle = sas_device_priv_data->sas_target->handle;
2043 scmd->result = DID_RESET << 16;
2048 mutex_lock(&ioc->tm_cmds.mutex);
2049 mpt2sas_scsih_issue_tm(ioc, handle, 0,
2050 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 30);
2053 * sanity check see whether all commands to this target been
2056 if (_scsih_scsi_lookup_find_by_target(ioc, scmd->device->id,
2057 scmd->device->channel))
2061 ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
2062 mutex_unlock(&ioc->tm_cmds.mutex);
2065 printk(MPT2SAS_INFO_FMT "target reset: %s scmd(%p)\n",
2066 ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2071 * _scsih_abort - eh threads main host reset routine
2072 * @sdev: scsi device struct
2074 * Returns SUCCESS if command aborted else FAILED
2077 _scsih_host_reset(struct scsi_cmnd *scmd)
2079 struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2082 printk(MPT2SAS_INFO_FMT "attempting host reset! scmd(%p)\n",
2084 scsi_print_command(scmd);
2086 retval = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2088 r = (retval < 0) ? FAILED : SUCCESS;
2089 printk(MPT2SAS_INFO_FMT "host reset: %s scmd(%p)\n",
2090 ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2096 * _scsih_fw_event_add - insert and queue up fw_event
2097 * @ioc: per adapter object
2098 * @fw_event: object describing the event
2099 * Context: This function will acquire ioc->fw_event_lock.
2101 * This adds the firmware event object into link list, then queues it up to
2102 * be processed from user context.
2107 _scsih_fw_event_add(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
2109 unsigned long flags;
2111 if (ioc->firmware_event_thread == NULL)
2114 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2115 list_add_tail(&fw_event->list, &ioc->fw_event_list);
2116 INIT_WORK(&fw_event->work, _firmware_event_work);
2117 queue_work(ioc->firmware_event_thread, &fw_event->work);
2118 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2122 * _scsih_fw_event_free - delete fw_event
2123 * @ioc: per adapter object
2124 * @fw_event: object describing the event
2125 * Context: This function will acquire ioc->fw_event_lock.
2127 * This removes firmware event object from link list, frees associated memory.
2132 _scsih_fw_event_free(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work
2135 unsigned long flags;
2137 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2138 list_del(&fw_event->list);
2139 kfree(fw_event->event_data);
2141 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2145 * _scsih_fw_event_add - requeue an event
2146 * @ioc: per adapter object
2147 * @fw_event: object describing the event
2148 * Context: This function will acquire ioc->fw_event_lock.
2153 _scsih_fw_event_requeue(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work
2154 *fw_event, unsigned long delay)
2156 unsigned long flags;
2157 if (ioc->firmware_event_thread == NULL)
2160 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2161 queue_work(ioc->firmware_event_thread, &fw_event->work);
2162 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2166 * _scsih_fw_event_off - turn flag off preventing event handling
2167 * @ioc: per adapter object
2169 * Used to prevent handling of firmware events during adapter reset
2175 _scsih_fw_event_off(struct MPT2SAS_ADAPTER *ioc)
2177 unsigned long flags;
2179 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2180 ioc->fw_events_off = 1;
2181 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2186 * _scsih_fw_event_on - turn flag on allowing firmware event handling
2187 * @ioc: per adapter object
2192 _scsih_fw_event_on(struct MPT2SAS_ADAPTER *ioc)
2194 unsigned long flags;
2196 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2197 ioc->fw_events_off = 0;
2198 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2202 * _scsih_ublock_io_device - set the device state to SDEV_RUNNING
2203 * @ioc: per adapter object
2204 * @handle: device handle
2206 * During device pull we need to appropiately set the sdev state.
2209 _scsih_ublock_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle)
2211 struct MPT2SAS_DEVICE *sas_device_priv_data;
2212 struct scsi_device *sdev;
2214 shost_for_each_device(sdev, ioc->shost) {
2215 sas_device_priv_data = sdev->hostdata;
2216 if (!sas_device_priv_data)
2218 if (!sas_device_priv_data->block)
2220 if (sas_device_priv_data->sas_target->handle == handle) {
2221 dewtprintk(ioc, sdev_printk(KERN_INFO, sdev,
2222 MPT2SAS_INFO_FMT "SDEV_RUNNING: "
2223 "handle(0x%04x)\n", ioc->name, handle));
2224 sas_device_priv_data->block = 0;
2225 scsi_device_set_state(sdev, SDEV_RUNNING);
2231 * _scsih_block_io_device - set the device state to SDEV_BLOCK
2232 * @ioc: per adapter object
2233 * @handle: device handle
2235 * During device pull we need to appropiately set the sdev state.
2238 _scsih_block_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle)
2240 struct MPT2SAS_DEVICE *sas_device_priv_data;
2241 struct scsi_device *sdev;
2243 shost_for_each_device(sdev, ioc->shost) {
2244 sas_device_priv_data = sdev->hostdata;
2245 if (!sas_device_priv_data)
2247 if (sas_device_priv_data->block)
2249 if (sas_device_priv_data->sas_target->handle == handle) {
2250 dewtprintk(ioc, sdev_printk(KERN_INFO, sdev,
2251 MPT2SAS_INFO_FMT "SDEV_BLOCK: "
2252 "handle(0x%04x)\n", ioc->name, handle));
2253 sas_device_priv_data->block = 1;
2254 scsi_device_set_state(sdev, SDEV_BLOCK);
2260 * _scsih_block_io_to_children_attached_to_ex
2261 * @ioc: per adapter object
2262 * @sas_expander: the sas_device object
2264 * This routine set sdev state to SDEV_BLOCK for all devices
2265 * attached to this expander. This function called when expander is
2269 _scsih_block_io_to_children_attached_to_ex(struct MPT2SAS_ADAPTER *ioc,
2270 struct _sas_node *sas_expander)
2272 struct _sas_port *mpt2sas_port;
2273 struct _sas_device *sas_device;
2274 struct _sas_node *expander_sibling;
2275 unsigned long flags;
2280 list_for_each_entry(mpt2sas_port,
2281 &sas_expander->sas_port_list, port_list) {
2282 if (mpt2sas_port->remote_identify.device_type ==
2284 spin_lock_irqsave(&ioc->sas_device_lock, flags);
2286 mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
2287 mpt2sas_port->remote_identify.sas_address);
2288 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2291 _scsih_block_io_device(ioc, sas_device->handle);
2295 list_for_each_entry(mpt2sas_port,
2296 &sas_expander->sas_port_list, port_list) {
2298 if (mpt2sas_port->remote_identify.device_type ==
2299 MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER ||
2300 mpt2sas_port->remote_identify.device_type ==
2301 MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER) {
2303 spin_lock_irqsave(&ioc->sas_node_lock, flags);
2305 mpt2sas_scsih_expander_find_by_sas_address(
2306 ioc, mpt2sas_port->remote_identify.sas_address);
2307 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
2308 _scsih_block_io_to_children_attached_to_ex(ioc,
2315 * _scsih_block_io_to_children_attached_directly
2316 * @ioc: per adapter object
2317 * @event_data: topology change event data
2319 * This routine set sdev state to SDEV_BLOCK for all devices
2320 * direct attached during device pull.
2323 _scsih_block_io_to_children_attached_directly(struct MPT2SAS_ADAPTER *ioc,
2324 Mpi2EventDataSasTopologyChangeList_t *event_data)
2331 for (i = 0; i < event_data->NumEntries; i++) {
2332 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
2335 phy_number = event_data->StartPhyNum + i;
2336 reason_code = event_data->PHY[i].PhyStatus &
2337 MPI2_EVENT_SAS_TOPO_RC_MASK;
2338 if (reason_code == MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING)
2339 _scsih_block_io_device(ioc, handle);
2344 * _scsih_check_topo_delete_events - sanity check on topo events
2345 * @ioc: per adapter object
2346 * @event_data: the event data payload
2348 * This routine added to better handle cable breaker.
2350 * This handles the case where driver recieves multiple expander
2351 * add and delete events in a single shot. When there is a delete event
2352 * the routine will void any pending add events waiting in the event queue.
2357 _scsih_check_topo_delete_events(struct MPT2SAS_ADAPTER *ioc,
2358 Mpi2EventDataSasTopologyChangeList_t *event_data)
2360 struct fw_event_work *fw_event;
2361 Mpi2EventDataSasTopologyChangeList_t *local_event_data;
2362 u16 expander_handle;
2363 struct _sas_node *sas_expander;
2364 unsigned long flags;
2366 expander_handle = le16_to_cpu(event_data->ExpanderDevHandle);
2367 if (expander_handle < ioc->sas_hba.num_phys) {
2368 _scsih_block_io_to_children_attached_directly(ioc, event_data);
2372 if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING
2373 || event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING) {
2374 spin_lock_irqsave(&ioc->sas_node_lock, flags);
2375 sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc,
2377 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
2378 _scsih_block_io_to_children_attached_to_ex(ioc, sas_expander);
2379 } else if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_RESPONDING)
2380 _scsih_block_io_to_children_attached_directly(ioc, event_data);
2382 if (event_data->ExpStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING)
2385 /* mark ignore flag for pending events */
2386 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2387 list_for_each_entry(fw_event, &ioc->fw_event_list, list) {
2388 if (fw_event->event != MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
2391 local_event_data = fw_event->event_data;
2392 if (local_event_data->ExpStatus ==
2393 MPI2_EVENT_SAS_TOPO_ES_ADDED ||
2394 local_event_data->ExpStatus ==
2395 MPI2_EVENT_SAS_TOPO_ES_RESPONDING) {
2396 if (le16_to_cpu(local_event_data->ExpanderDevHandle) ==
2398 dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT
2399 "setting ignoring flag\n", ioc->name));
2400 fw_event->ignore = 1;
2404 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2408 * _scsih_queue_rescan - queue a topology rescan from user context
2409 * @ioc: per adapter object
2414 _scsih_queue_rescan(struct MPT2SAS_ADAPTER *ioc)
2416 struct fw_event_work *fw_event;
2418 if (ioc->wait_for_port_enable_to_complete)
2420 fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC);
2423 fw_event->event = MPT2SAS_RESCAN_AFTER_HOST_RESET;
2424 fw_event->ioc = ioc;
2425 _scsih_fw_event_add(ioc, fw_event);
2429 * _scsih_flush_running_cmds - completing outstanding commands.
2430 * @ioc: per adapter object
2432 * The flushing out of all pending scmd commands following host reset,
2433 * where all IO is dropped to the floor.
2438 _scsih_flush_running_cmds(struct MPT2SAS_ADAPTER *ioc)
2440 struct scsi_cmnd *scmd;
2444 for (smid = 1; smid <= ioc->request_depth; smid++) {
2445 scmd = _scsih_scsi_lookup_getclear(ioc, smid);
2449 mpt2sas_base_free_smid(ioc, smid);
2450 scsi_dma_unmap(scmd);
2451 scmd->result = DID_RESET << 16;
2452 scmd->scsi_done(scmd);
2454 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "completing %d cmds\n",
2459 * mpt2sas_scsih_reset_handler - reset callback handler (for scsih)
2460 * @ioc: per adapter object
2461 * @reset_phase: phase
2463 * The handler for doing any required cleanup or initialization.
2465 * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET,
2466 * MPT2_IOC_DONE_RESET
2471 mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
2473 switch (reset_phase) {
2474 case MPT2_IOC_PRE_RESET:
2475 dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
2476 "MPT2_IOC_PRE_RESET\n", ioc->name, __func__));
2477 _scsih_fw_event_off(ioc);
2479 case MPT2_IOC_AFTER_RESET:
2480 dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
2481 "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__));
2482 if (ioc->tm_cmds.status & MPT2_CMD_PENDING) {
2483 ioc->tm_cmds.status |= MPT2_CMD_RESET;
2484 mpt2sas_base_free_smid(ioc, ioc->tm_cmds.smid);
2485 complete(&ioc->tm_cmds.done);
2487 _scsih_fw_event_on(ioc);
2488 _scsih_flush_running_cmds(ioc);
2490 case MPT2_IOC_DONE_RESET:
2491 dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
2492 "MPT2_IOC_DONE_RESET\n", ioc->name, __func__));
2493 _scsih_queue_rescan(ioc);
2499 * _scsih_setup_eedp - setup MPI request for EEDP transfer
2500 * @scmd: pointer to scsi command object
2501 * @mpi_request: pointer to the SCSI_IO reqest message frame
2503 * Supporting protection 1 and 3.
2508 _scsih_setup_eedp(struct scsi_cmnd *scmd, Mpi2SCSIIORequest_t *mpi_request)
2511 unsigned char prot_op = scsi_get_prot_op(scmd);
2512 unsigned char prot_type = scsi_get_prot_type(scmd);
2514 if (prot_type == SCSI_PROT_DIF_TYPE0 ||
2515 prot_type == SCSI_PROT_DIF_TYPE2 ||
2516 prot_op == SCSI_PROT_NORMAL)
2519 if (prot_op == SCSI_PROT_READ_STRIP)
2520 eedp_flags = MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP;
2521 else if (prot_op == SCSI_PROT_WRITE_INSERT)
2522 eedp_flags = MPI2_SCSIIO_EEDPFLAGS_INSERT_OP;
2526 mpi_request->EEDPBlockSize = scmd->device->sector_size;
2528 switch (prot_type) {
2529 case SCSI_PROT_DIF_TYPE1:
2532 * enable ref/guard checking
2533 * auto increment ref tag
2535 mpi_request->EEDPFlags = eedp_flags |
2536 MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
2537 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG |
2538 MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
2539 mpi_request->CDB.EEDP32.PrimaryReferenceTag =
2540 cpu_to_be32(scsi_get_lba(scmd));
2544 case SCSI_PROT_DIF_TYPE3:
2547 * enable guard checking
2549 mpi_request->EEDPFlags = eedp_flags |
2550 MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
2557 * _scsih_eedp_error_handling - return sense code for EEDP errors
2558 * @scmd: pointer to scsi command object
2559 * @ioc_status: ioc status
2564 _scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status)
2570 switch (ioc_status) {
2571 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
2574 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
2577 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
2585 if (scmd->sc_data_direction == DMA_TO_DEVICE) {
2586 sk = ILLEGAL_REQUEST;
2587 host_byte = DID_ABORT;
2589 sk = ABORTED_COMMAND;
2593 scsi_build_sense_buffer(0, scmd->sense_buffer, sk, 0x10, ascq);
2594 scmd->result = DRIVER_SENSE << 24 | (host_byte << 16) |
2595 SAM_STAT_CHECK_CONDITION;
2599 * _scsih_qcmd - main scsi request entry point
2600 * @scmd: pointer to scsi command object
2601 * @done: function pointer to be invoked on completion
2603 * The callback index is set inside `ioc->scsi_io_cb_idx`.
2605 * Returns 0 on success. If there's a failure, return either:
2606 * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or
2607 * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full
2610 _scsih_qcmd(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *))
2612 struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2613 struct MPT2SAS_DEVICE *sas_device_priv_data;
2614 struct MPT2SAS_TARGET *sas_target_priv_data;
2615 Mpi2SCSIIORequest_t *mpi_request;
2618 unsigned long flags;
2620 scmd->scsi_done = done;
2621 sas_device_priv_data = scmd->device->hostdata;
2622 if (!sas_device_priv_data) {
2623 scmd->result = DID_NO_CONNECT << 16;
2624 scmd->scsi_done(scmd);
2628 sas_target_priv_data = sas_device_priv_data->sas_target;
2629 if (!sas_target_priv_data || sas_target_priv_data->handle ==
2630 MPT2SAS_INVALID_DEVICE_HANDLE || sas_target_priv_data->deleted) {
2631 scmd->result = DID_NO_CONNECT << 16;
2632 scmd->scsi_done(scmd);
2636 /* see if we are busy with task managment stuff */
2637 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
2638 if (sas_target_priv_data->tm_busy ||
2639 ioc->shost_recovery || ioc->ioc_link_reset_in_progress) {
2640 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
2641 return SCSI_MLQUEUE_HOST_BUSY;
2643 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
2645 if (scmd->sc_data_direction == DMA_FROM_DEVICE)
2646 mpi_control = MPI2_SCSIIO_CONTROL_READ;
2647 else if (scmd->sc_data_direction == DMA_TO_DEVICE)
2648 mpi_control = MPI2_SCSIIO_CONTROL_WRITE;
2650 mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER;
2653 if (!(sas_device_priv_data->flags & MPT_DEVICE_FLAGS_INIT)) {
2654 if (scmd->device->tagged_supported) {
2655 if (scmd->device->ordered_tags)
2656 mpi_control |= MPI2_SCSIIO_CONTROL_ORDEREDQ;
2658 mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
2660 /* MPI Revision I (UNIT = 0xA) - removed MPI2_SCSIIO_CONTROL_UNTAGGED */
2661 /* mpi_control |= MPI2_SCSIIO_CONTROL_UNTAGGED;
2663 mpi_control |= (0x500);
2666 mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
2668 if ((sas_device_priv_data->flags & MPT_DEVICE_TLR_ON))
2669 mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON;
2671 smid = mpt2sas_base_get_smid(ioc, ioc->scsi_io_cb_idx);
2673 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
2674 ioc->name, __func__);
2677 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
2678 memset(mpi_request, 0, sizeof(Mpi2SCSIIORequest_t));
2679 _scsih_setup_eedp(scmd, mpi_request);
2680 mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
2681 if (sas_device_priv_data->sas_target->flags &
2682 MPT_TARGET_FLAGS_RAID_COMPONENT)
2683 mpi_request->Function = MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
2685 mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
2686 mpi_request->DevHandle =
2687 cpu_to_le16(sas_device_priv_data->sas_target->handle);
2688 mpi_request->DataLength = cpu_to_le32(scsi_bufflen(scmd));
2689 mpi_request->Control = cpu_to_le32(mpi_control);
2690 mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len);
2691 mpi_request->MsgFlags = MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR;
2692 mpi_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE;
2693 mpi_request->SenseBufferLowAddress =
2694 (u32)mpt2sas_base_get_sense_buffer_dma(ioc, smid);
2695 mpi_request->SGLOffset0 = offsetof(Mpi2SCSIIORequest_t, SGL) / 4;
2696 mpi_request->SGLFlags = cpu_to_le16(MPI2_SCSIIO_SGLFLAGS_TYPE_MPI +
2697 MPI2_SCSIIO_SGLFLAGS_SYSTEM_ADDR);
2699 int_to_scsilun(sas_device_priv_data->lun, (struct scsi_lun *)
2701 memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len);
2703 if (!mpi_request->DataLength) {
2704 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request->SGL);
2706 if (_scsih_build_scatter_gather(ioc, scmd, smid)) {
2707 mpt2sas_base_free_smid(ioc, smid);
2712 _scsih_scsi_lookup_set(ioc, smid, scmd);
2713 mpt2sas_base_put_smid_scsi_io(ioc, smid, 0,
2714 sas_device_priv_data->sas_target->handle);
2718 return SCSI_MLQUEUE_HOST_BUSY;
2722 * _scsih_normalize_sense - normalize descriptor and fixed format sense data
2723 * @sense_buffer: sense data returned by target
2724 * @data: normalized skey/asc/ascq
2729 _scsih_normalize_sense(char *sense_buffer, struct sense_info *data)
2731 if ((sense_buffer[0] & 0x7F) >= 0x72) {
2732 /* descriptor format */
2733 data->skey = sense_buffer[1] & 0x0F;
2734 data->asc = sense_buffer[2];
2735 data->ascq = sense_buffer[3];
2738 data->skey = sense_buffer[2] & 0x0F;
2739 data->asc = sense_buffer[12];
2740 data->ascq = sense_buffer[13];
2744 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
2746 * _scsih_scsi_ioc_info - translated non-succesfull SCSI_IO request
2747 * @ioc: per adapter object
2748 * @scmd: pointer to scsi command object
2749 * @mpi_reply: reply mf payload returned from firmware
2751 * scsi_status - SCSI Status code returned from target device
2752 * scsi_state - state info associated with SCSI_IO determined by ioc
2753 * ioc_status - ioc supplied status info
2758 _scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
2759 Mpi2SCSIIOReply_t *mpi_reply, u16 smid)
2763 u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) &
2764 MPI2_IOCSTATUS_MASK;
2765 u8 scsi_state = mpi_reply->SCSIState;
2766 u8 scsi_status = mpi_reply->SCSIStatus;
2767 char *desc_ioc_state = NULL;
2768 char *desc_scsi_status = NULL;
2769 char *desc_scsi_state = ioc->tmp_string;
2770 u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
2772 if (log_info == 0x31170000)
2775 switch (ioc_status) {
2776 case MPI2_IOCSTATUS_SUCCESS:
2777 desc_ioc_state = "success";
2779 case MPI2_IOCSTATUS_INVALID_FUNCTION:
2780 desc_ioc_state = "invalid function";
2782 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
2783 desc_ioc_state = "scsi recovered error";
2785 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
2786 desc_ioc_state = "scsi invalid dev handle";
2788 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
2789 desc_ioc_state = "scsi device not there";
2791 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
2792 desc_ioc_state = "scsi data overrun";
2794 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
2795 desc_ioc_state = "scsi data underrun";
2797 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
2798 desc_ioc_state = "scsi io data error";
2800 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
2801 desc_ioc_state = "scsi protocol error";
2803 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
2804 desc_ioc_state = "scsi task terminated";
2806 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
2807 desc_ioc_state = "scsi residual mismatch";
2809 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
2810 desc_ioc_state = "scsi task mgmt failed";
2812 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
2813 desc_ioc_state = "scsi ioc terminated";
2815 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
2816 desc_ioc_state = "scsi ext terminated";
2818 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
2819 desc_ioc_state = "eedp guard error";
2821 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
2822 desc_ioc_state = "eedp ref tag error";
2824 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
2825 desc_ioc_state = "eedp app tag error";
2828 desc_ioc_state = "unknown";
2832 switch (scsi_status) {
2833 case MPI2_SCSI_STATUS_GOOD:
2834 desc_scsi_status = "good";
2836 case MPI2_SCSI_STATUS_CHECK_CONDITION:
2837 desc_scsi_status = "check condition";
2839 case MPI2_SCSI_STATUS_CONDITION_MET:
2840 desc_scsi_status = "condition met";
2842 case MPI2_SCSI_STATUS_BUSY:
2843 desc_scsi_status = "busy";
2845 case MPI2_SCSI_STATUS_INTERMEDIATE:
2846 desc_scsi_status = "intermediate";
2848 case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET:
2849 desc_scsi_status = "intermediate condmet";
2851 case MPI2_SCSI_STATUS_RESERVATION_CONFLICT:
2852 desc_scsi_status = "reservation conflict";
2854 case MPI2_SCSI_STATUS_COMMAND_TERMINATED:
2855 desc_scsi_status = "command terminated";
2857 case MPI2_SCSI_STATUS_TASK_SET_FULL:
2858 desc_scsi_status = "task set full";
2860 case MPI2_SCSI_STATUS_ACA_ACTIVE:
2861 desc_scsi_status = "aca active";
2863 case MPI2_SCSI_STATUS_TASK_ABORTED:
2864 desc_scsi_status = "task aborted";
2867 desc_scsi_status = "unknown";
2871 desc_scsi_state[0] = '\0';
2873 desc_scsi_state = " ";
2874 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
2875 strcat(desc_scsi_state, "response info ");
2876 if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
2877 strcat(desc_scsi_state, "state terminated ");
2878 if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS)
2879 strcat(desc_scsi_state, "no status ");
2880 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED)
2881 strcat(desc_scsi_state, "autosense failed ");
2882 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)
2883 strcat(desc_scsi_state, "autosense valid ");
2885 scsi_print_command(scmd);
2886 printk(MPT2SAS_WARN_FMT "\tdev handle(0x%04x), "
2887 "ioc_status(%s)(0x%04x), smid(%d)\n", ioc->name,
2888 le16_to_cpu(mpi_reply->DevHandle), desc_ioc_state,
2890 printk(MPT2SAS_WARN_FMT "\trequest_len(%d), underflow(%d), "
2891 "resid(%d)\n", ioc->name, scsi_bufflen(scmd), scmd->underflow,
2892 scsi_get_resid(scmd));
2893 printk(MPT2SAS_WARN_FMT "\ttag(%d), transfer_count(%d), "
2894 "sc->result(0x%08x)\n", ioc->name, le16_to_cpu(mpi_reply->TaskTag),
2895 le32_to_cpu(mpi_reply->TransferCount), scmd->result);
2896 printk(MPT2SAS_WARN_FMT "\tscsi_status(%s)(0x%02x), "
2897 "scsi_state(%s)(0x%02x)\n", ioc->name, desc_scsi_status,
2898 scsi_status, desc_scsi_state, scsi_state);
2900 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
2901 struct sense_info data;
2902 _scsih_normalize_sense(scmd->sense_buffer, &data);
2903 printk(MPT2SAS_WARN_FMT "\t[sense_key,asc,ascq]: "
2904 "[0x%02x,0x%02x,0x%02x]\n", ioc->name, data.skey,
2905 data.asc, data.ascq);
2908 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) {
2909 response_info = le32_to_cpu(mpi_reply->ResponseInfo);
2910 response_bytes = (u8 *)&response_info;
2911 _scsih_response_code(ioc, response_bytes[3]);
2917 * _scsih_smart_predicted_fault - illuminate Fault LED
2918 * @ioc: per adapter object
2919 * @handle: device handle
2924 _scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER *ioc, u16 handle)
2926 Mpi2SepReply_t mpi_reply;
2927 Mpi2SepRequest_t mpi_request;
2928 struct scsi_target *starget;
2929 struct MPT2SAS_TARGET *sas_target_priv_data;
2930 Mpi2EventNotificationReply_t *event_reply;
2931 Mpi2EventDataSasDeviceStatusChange_t *event_data;
2932 struct _sas_device *sas_device;
2934 unsigned long flags;
2936 /* only handle non-raid devices */
2937 spin_lock_irqsave(&ioc->sas_device_lock, flags);
2938 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
2940 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2943 starget = sas_device->starget;
2944 sas_target_priv_data = starget->hostdata;
2946 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) ||
2947 ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))) {
2948 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2951 starget_printk(KERN_WARNING, starget, "predicted fault\n");
2952 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2954 if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) {
2955 memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t));
2956 mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
2957 mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS;
2958 mpi_request.SlotStatus =
2959 MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT;
2960 mpi_request.DevHandle = cpu_to_le16(handle);
2961 mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS;
2962 if ((mpt2sas_base_scsi_enclosure_processor(ioc, &mpi_reply,
2963 &mpi_request)) != 0) {
2964 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
2965 ioc->name, __FILE__, __LINE__, __func__);
2969 if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) {
2970 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
2971 "enclosure_processor: ioc_status (0x%04x), "
2972 "loginfo(0x%08x)\n", ioc->name,
2973 le16_to_cpu(mpi_reply.IOCStatus),
2974 le32_to_cpu(mpi_reply.IOCLogInfo)));
2979 /* insert into event log */
2980 sz = offsetof(Mpi2EventNotificationReply_t, EventData) +
2981 sizeof(Mpi2EventDataSasDeviceStatusChange_t);
2982 event_reply = kzalloc(sz, GFP_KERNEL);
2984 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
2985 ioc->name, __FILE__, __LINE__, __func__);
2989 event_reply->Function = MPI2_FUNCTION_EVENT_NOTIFICATION;
2990 event_reply->Event =
2991 cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE);
2992 event_reply->MsgLength = sz/4;
2993 event_reply->EventDataLength =
2994 cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t)/4);
2995 event_data = (Mpi2EventDataSasDeviceStatusChange_t *)
2996 event_reply->EventData;
2997 event_data->ReasonCode = MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA;
2998 event_data->ASC = 0x5D;
2999 event_data->DevHandle = cpu_to_le16(handle);
3000 event_data->SASAddress = cpu_to_le64(sas_target_priv_data->sas_address);
3001 mpt2sas_ctl_add_to_event_log(ioc, event_reply);
3006 * _scsih_io_done - scsi request callback
3007 * @ioc: per adapter object
3008 * @smid: system request message index
3009 * @VF_ID: virtual function id
3010 * @reply: reply message frame(lower 32bit addr)
3012 * Callback handler when using scsih_qcmd.
3017 _scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply)
3019 Mpi2SCSIIORequest_t *mpi_request;
3020 Mpi2SCSIIOReply_t *mpi_reply;
3021 struct scsi_cmnd *scmd;
3027 struct MPT2SAS_DEVICE *sas_device_priv_data;
3030 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
3031 scmd = _scsih_scsi_lookup_getclear(ioc, smid);
3035 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
3037 if (mpi_reply == NULL) {
3038 scmd->result = DID_OK << 16;
3042 sas_device_priv_data = scmd->device->hostdata;
3043 if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
3044 sas_device_priv_data->sas_target->deleted) {
3045 scmd->result = DID_NO_CONNECT << 16;
3049 /* turning off TLR */
3050 if (!sas_device_priv_data->tlr_snoop_check) {
3051 sas_device_priv_data->tlr_snoop_check++;
3052 if (sas_device_priv_data->flags & MPT_DEVICE_TLR_ON) {
3053 response_code = (le32_to_cpu(mpi_reply->ResponseInfo)
3055 if (response_code ==
3056 MPI2_SCSITASKMGMT_RSP_INVALID_FRAME)
3057 sas_device_priv_data->flags &=
3062 xfer_cnt = le32_to_cpu(mpi_reply->TransferCount);
3063 scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt);
3064 ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
3065 if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
3066 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
3069 ioc_status &= MPI2_IOCSTATUS_MASK;
3070 scsi_state = mpi_reply->SCSIState;
3071 scsi_status = mpi_reply->SCSIStatus;
3073 if (ioc_status == MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
3074 (scsi_status == MPI2_SCSI_STATUS_BUSY ||
3075 scsi_status == MPI2_SCSI_STATUS_RESERVATION_CONFLICT ||
3076 scsi_status == MPI2_SCSI_STATUS_TASK_SET_FULL)) {
3077 ioc_status = MPI2_IOCSTATUS_SUCCESS;
3080 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
3081 struct sense_info data;
3082 const void *sense_data = mpt2sas_base_get_sense_buffer(ioc,
3084 u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE,
3085 le32_to_cpu(mpi_reply->SenseCount));
3086 memcpy(scmd->sense_buffer, sense_data, sz);
3087 _scsih_normalize_sense(scmd->sense_buffer, &data);
3088 /* failure prediction threshold exceeded */
3089 if (data.asc == 0x5D)
3090 _scsih_smart_predicted_fault(ioc,
3091 le16_to_cpu(mpi_reply->DevHandle));
3094 switch (ioc_status) {
3095 case MPI2_IOCSTATUS_BUSY:
3096 case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES:
3097 scmd->result = SAM_STAT_BUSY;
3100 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
3101 scmd->result = DID_NO_CONNECT << 16;
3104 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
3105 if (sas_device_priv_data->block) {
3106 scmd->result = (DID_BUS_BUSY << 16);
3110 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
3111 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
3112 scmd->result = DID_RESET << 16;
3115 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
3116 if ((xfer_cnt == 0) || (scmd->underflow > xfer_cnt))
3117 scmd->result = DID_SOFT_ERROR << 16;
3119 scmd->result = (DID_OK << 16) | scsi_status;
3122 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
3123 scmd->result = (DID_OK << 16) | scsi_status;
3125 if ((scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID))
3128 if (xfer_cnt < scmd->underflow) {
3129 if (scsi_status == SAM_STAT_BUSY)
3130 scmd->result = SAM_STAT_BUSY;
3132 scmd->result = DID_SOFT_ERROR << 16;
3133 } else if (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
3134 MPI2_SCSI_STATE_NO_SCSI_STATUS))
3135 scmd->result = DID_SOFT_ERROR << 16;
3136 else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
3137 scmd->result = DID_RESET << 16;
3138 else if (!xfer_cnt && scmd->cmnd[0] == REPORT_LUNS) {
3139 mpi_reply->SCSIState = MPI2_SCSI_STATE_AUTOSENSE_VALID;
3140 mpi_reply->SCSIStatus = SAM_STAT_CHECK_CONDITION;
3141 scmd->result = (DRIVER_SENSE << 24) |
3142 SAM_STAT_CHECK_CONDITION;
3143 scmd->sense_buffer[0] = 0x70;
3144 scmd->sense_buffer[2] = ILLEGAL_REQUEST;
3145 scmd->sense_buffer[12] = 0x20;
3146 scmd->sense_buffer[13] = 0;
3150 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
3151 scsi_set_resid(scmd, 0);
3152 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
3153 case MPI2_IOCSTATUS_SUCCESS:
3154 scmd->result = (DID_OK << 16) | scsi_status;
3155 if (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
3156 MPI2_SCSI_STATE_NO_SCSI_STATUS))
3157 scmd->result = DID_SOFT_ERROR << 16;
3158 else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
3159 scmd->result = DID_RESET << 16;
3162 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
3163 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
3164 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
3165 _scsih_eedp_error_handling(scmd, ioc_status);
3167 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
3168 case MPI2_IOCSTATUS_INVALID_FUNCTION:
3169 case MPI2_IOCSTATUS_INVALID_SGL:
3170 case MPI2_IOCSTATUS_INTERNAL_ERROR:
3171 case MPI2_IOCSTATUS_INVALID_FIELD:
3172 case MPI2_IOCSTATUS_INVALID_STATE:
3173 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
3174 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
3176 scmd->result = DID_SOFT_ERROR << 16;
3181 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
3182 if (scmd->result && (ioc->logging_level & MPT_DEBUG_REPLY))
3183 _scsih_scsi_ioc_info(ioc , scmd, mpi_reply, smid);
3187 scsi_dma_unmap(scmd);
3188 scmd->scsi_done(scmd);
3192 * _scsih_link_change - process phy link changes
3193 * @ioc: per adapter object
3194 * @handle: phy handle
3195 * @attached_handle: valid for devices attached to link
3196 * @phy_number: phy number
3197 * @link_rate: new link rate
3203 _scsih_link_change(struct MPT2SAS_ADAPTER *ioc, u16 handle, u16 attached_handle,
3204 u8 phy_number, u8 link_rate)
3206 mpt2sas_transport_update_phy_link_change(ioc, handle, attached_handle,
3207 phy_number, link_rate);
3211 * _scsih_sas_host_refresh - refreshing sas host object contents
3212 * @ioc: per adapter object
3213 * @update: update link information
3216 * During port enable, fw will send topology events for every device. Its
3217 * possible that the handles may change from the previous setting, so this
3218 * code keeping handles updating if changed.
3223 _scsih_sas_host_refresh(struct MPT2SAS_ADAPTER *ioc, u8 update)
3228 Mpi2ConfigReply_t mpi_reply;
3229 Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
3231 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT
3232 "updating handles for sas_host(0x%016llx)\n",
3233 ioc->name, (unsigned long long)ioc->sas_hba.sas_address));
3235 sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys
3236 * sizeof(Mpi2SasIOUnit0PhyData_t));
3237 sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
3238 if (!sas_iounit_pg0) {
3239 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3240 ioc->name, __FILE__, __LINE__, __func__);
3243 if (!(mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
3244 sas_iounit_pg0, sz))) {
3245 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
3246 MPI2_IOCSTATUS_MASK;
3247 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
3249 for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
3250 ioc->sas_hba.phy[i].handle =
3251 le16_to_cpu(sas_iounit_pg0->PhyData[i].
3252 ControllerDevHandle);
3254 _scsih_link_change(ioc,
3255 ioc->sas_hba.phy[i].handle,
3256 le16_to_cpu(sas_iounit_pg0->PhyData[i].
3257 AttachedDevHandle), i,
3258 sas_iounit_pg0->PhyData[i].
3259 NegotiatedLinkRate >> 4);
3264 kfree(sas_iounit_pg0);
3268 * _scsih_sas_host_add - create sas host object
3269 * @ioc: per adapter object
3271 * Creating host side data object, stored in ioc->sas_hba
3276 _scsih_sas_host_add(struct MPT2SAS_ADAPTER *ioc)
3279 Mpi2ConfigReply_t mpi_reply;
3280 Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
3281 Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
3282 Mpi2SasPhyPage0_t phy_pg0;
3283 Mpi2SasDevicePage0_t sas_device_pg0;
3284 Mpi2SasEnclosurePage0_t enclosure_pg0;
3287 u16 device_missing_delay;
3289 mpt2sas_config_get_number_hba_phys(ioc, &ioc->sas_hba.num_phys);
3290 if (!ioc->sas_hba.num_phys) {
3291 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3292 ioc->name, __FILE__, __LINE__, __func__);
3296 /* sas_iounit page 0 */
3297 sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys *
3298 sizeof(Mpi2SasIOUnit0PhyData_t));
3299 sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
3300 if (!sas_iounit_pg0) {
3301 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3302 ioc->name, __FILE__, __LINE__, __func__);
3305 if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
3306 sas_iounit_pg0, sz))) {
3307 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3308 ioc->name, __FILE__, __LINE__, __func__);
3311 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
3312 MPI2_IOCSTATUS_MASK;
3313 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
3314 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3315 ioc->name, __FILE__, __LINE__, __func__);
3319 /* sas_iounit page 1 */
3320 sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys *
3321 sizeof(Mpi2SasIOUnit1PhyData_t));
3322 sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
3323 if (!sas_iounit_pg1) {
3324 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3325 ioc->name, __FILE__, __LINE__, __func__);
3328 if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
3329 sas_iounit_pg1, sz))) {
3330 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3331 ioc->name, __FILE__, __LINE__, __func__);
3334 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
3335 MPI2_IOCSTATUS_MASK;
3336 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
3337 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3338 ioc->name, __FILE__, __LINE__, __func__);
3342 ioc->io_missing_delay =
3343 le16_to_cpu(sas_iounit_pg1->IODeviceMissingDelay);
3344 device_missing_delay =
3345 le16_to_cpu(sas_iounit_pg1->ReportDeviceMissingDelay);
3346 if (device_missing_delay & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
3347 ioc->device_missing_delay = (device_missing_delay &
3348 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
3350 ioc->device_missing_delay = device_missing_delay &
3351 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
3353 ioc->sas_hba.parent_dev = &ioc->shost->shost_gendev;
3354 ioc->sas_hba.phy = kcalloc(ioc->sas_hba.num_phys,
3355 sizeof(struct _sas_phy), GFP_KERNEL);
3356 if (!ioc->sas_hba.phy) {
3357 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3358 ioc->name, __FILE__, __LINE__, __func__);
3361 for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
3362 if ((mpt2sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0,
3364 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3365 ioc->name, __FILE__, __LINE__, __func__);
3368 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
3369 MPI2_IOCSTATUS_MASK;
3370 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
3371 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3372 ioc->name, __FILE__, __LINE__, __func__);
3375 ioc->sas_hba.phy[i].handle =
3376 le16_to_cpu(sas_iounit_pg0->PhyData[i].ControllerDevHandle);
3377 ioc->sas_hba.phy[i].phy_id = i;
3378 mpt2sas_transport_add_host_phy(ioc, &ioc->sas_hba.phy[i],
3379 phy_pg0, ioc->sas_hba.parent_dev);
3381 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
3382 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, ioc->sas_hba.phy[0].handle))) {
3383 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3384 ioc->name, __FILE__, __LINE__, __func__);
3387 ioc->sas_hba.handle = le16_to_cpu(sas_device_pg0.DevHandle);
3388 ioc->sas_hba.enclosure_handle =
3389 le16_to_cpu(sas_device_pg0.EnclosureHandle);
3390 ioc->sas_hba.sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
3391 printk(MPT2SAS_INFO_FMT "host_add: handle(0x%04x), "
3392 "sas_addr(0x%016llx), phys(%d)\n", ioc->name, ioc->sas_hba.handle,
3393 (unsigned long long) ioc->sas_hba.sas_address,
3394 ioc->sas_hba.num_phys) ;
3396 if (ioc->sas_hba.enclosure_handle) {
3397 if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply,
3399 MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
3400 ioc->sas_hba.enclosure_handle))) {
3401 ioc->sas_hba.enclosure_logical_id =
3402 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
3407 kfree(sas_iounit_pg1);
3408 kfree(sas_iounit_pg0);
3412 * _scsih_expander_add - creating expander object
3413 * @ioc: per adapter object
3414 * @handle: expander handle
3416 * Creating expander object, stored in ioc->sas_expander_list.
3418 * Return 0 for success, else error.
3421 _scsih_expander_add(struct MPT2SAS_ADAPTER *ioc, u16 handle)
3423 struct _sas_node *sas_expander;
3424 Mpi2ConfigReply_t mpi_reply;
3425 Mpi2ExpanderPage0_t expander_pg0;
3426 Mpi2ExpanderPage1_t expander_pg1;
3427 Mpi2SasEnclosurePage0_t enclosure_pg0;
3432 unsigned long flags;
3433 struct _sas_port *mpt2sas_port = NULL;
3439 if ((mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
3440 MPI2_SAS_EXPAND_PGAD_FORM_HNDL, handle))) {
3441 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3442 ioc->name, __FILE__, __LINE__, __func__);
3446 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
3447 MPI2_IOCSTATUS_MASK;
3448 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
3449 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3450 ioc->name, __FILE__, __LINE__, __func__);
3454 /* handle out of order topology events */
3455 parent_handle = le16_to_cpu(expander_pg0.ParentDevHandle);
3456 if (parent_handle >= ioc->sas_hba.num_phys) {
3457 spin_lock_irqsave(&ioc->sas_node_lock, flags);
3458 sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc,
3460 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
3461 if (!sas_expander) {
3462 rc = _scsih_expander_add(ioc, parent_handle);
3468 sas_address = le64_to_cpu(expander_pg0.SASAddress);
3470 spin_lock_irqsave(&ioc->sas_node_lock, flags);
3471 sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc,
3473 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
3478 sas_expander = kzalloc(sizeof(struct _sas_node),
3480 if (!sas_expander) {
3481 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3482 ioc->name, __FILE__, __LINE__, __func__);
3486 sas_expander->handle = handle;
3487 sas_expander->num_phys = expander_pg0.NumPhys;
3488 sas_expander->parent_handle = parent_handle;
3489 sas_expander->enclosure_handle =
3490 le16_to_cpu(expander_pg0.EnclosureHandle);
3491 sas_expander->sas_address = sas_address;
3493 printk(MPT2SAS_INFO_FMT "expander_add: handle(0x%04x),"
3494 " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc->name,
3495 handle, sas_expander->parent_handle, (unsigned long long)
3496 sas_expander->sas_address, sas_expander->num_phys);
3498 if (!sas_expander->num_phys)
3500 sas_expander->phy = kcalloc(sas_expander->num_phys,
3501 sizeof(struct _sas_phy), GFP_KERNEL);
3502 if (!sas_expander->phy) {
3503 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3504 ioc->name, __FILE__, __LINE__, __func__);
3509 INIT_LIST_HEAD(&sas_expander->sas_port_list);
3510 mpt2sas_port = mpt2sas_transport_port_add(ioc, handle,
3511 sas_expander->parent_handle);
3512 if (!mpt2sas_port) {
3513 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3514 ioc->name, __FILE__, __LINE__, __func__);
3518 sas_expander->parent_dev = &mpt2sas_port->rphy->dev;
3520 for (i = 0 ; i < sas_expander->num_phys ; i++) {
3521 if ((mpt2sas_config_get_expander_pg1(ioc, &mpi_reply,
3522 &expander_pg1, i, handle))) {
3523 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3524 ioc->name, __FILE__, __LINE__, __func__);
3528 sas_expander->phy[i].handle = handle;
3529 sas_expander->phy[i].phy_id = i;
3531 if ((mpt2sas_transport_add_expander_phy(ioc,
3532 &sas_expander->phy[i], expander_pg1,
3533 sas_expander->parent_dev))) {
3534 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3535 ioc->name, __FILE__, __LINE__, __func__);
3541 if (sas_expander->enclosure_handle) {
3542 if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply,
3543 &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
3544 sas_expander->enclosure_handle))) {
3545 sas_expander->enclosure_logical_id =
3546 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
3550 _scsih_expander_node_add(ioc, sas_expander);
3556 mpt2sas_transport_port_remove(ioc, sas_expander->sas_address,
3557 sas_expander->parent_handle);
3558 kfree(sas_expander);
3563 * _scsih_expander_remove - removing expander object
3564 * @ioc: per adapter object
3565 * @handle: expander handle
3570 _scsih_expander_remove(struct MPT2SAS_ADAPTER *ioc, u16 handle)
3572 struct _sas_node *sas_expander;
3573 unsigned long flags;
3575 spin_lock_irqsave(&ioc->sas_node_lock, flags);
3576 sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc, handle);
3577 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
3578 _scsih_expander_node_remove(ioc, sas_expander);
3582 * _scsih_add_device - creating sas device object
3583 * @ioc: per adapter object
3584 * @handle: sas device handle
3585 * @phy_num: phy number end device attached to
3586 * @is_pd: is this hidden raid component
3588 * Creating end device object, stored in ioc->sas_device_list.
3590 * Returns 0 for success, non-zero for failure.
3593 _scsih_add_device(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 phy_num, u8 is_pd)
3595 Mpi2ConfigReply_t mpi_reply;
3596 Mpi2SasDevicePage0_t sas_device_pg0;
3597 Mpi2SasEnclosurePage0_t enclosure_pg0;
3598 struct _sas_device *sas_device;
3602 unsigned long flags;
3604 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
3605 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
3606 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3607 ioc->name, __FILE__, __LINE__, __func__);
3611 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
3612 MPI2_IOCSTATUS_MASK;
3613 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
3614 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3615 ioc->name, __FILE__, __LINE__, __func__);
3619 /* check if device is present */
3620 if (!(le16_to_cpu(sas_device_pg0.Flags) &
3621 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
3622 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3623 ioc->name, __FILE__, __LINE__, __func__);
3624 printk(MPT2SAS_ERR_FMT "Flags = 0x%04x\n",
3625 ioc->name, le16_to_cpu(sas_device_pg0.Flags));
3629 /* check if there were any issus with discovery */
3630 if (sas_device_pg0.AccessStatus ==
3631 MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED) {
3632 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3633 ioc->name, __FILE__, __LINE__, __func__);
3634 printk(MPT2SAS_ERR_FMT "AccessStatus = 0x%02x\n",
3635 ioc->name, sas_device_pg0.AccessStatus);
3639 /* check if this is end device */
3640 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
3641 if (!(_scsih_is_end_device(device_info))) {
3642 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3643 ioc->name, __FILE__, __LINE__, __func__);
3647 sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
3649 spin_lock_irqsave(&ioc->sas_device_lock, flags);
3650 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
3652 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
3655 _scsih_ublock_io_device(ioc, handle);
3659 sas_device = kzalloc(sizeof(struct _sas_device),
3662 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3663 ioc->name, __FILE__, __LINE__, __func__);
3667 sas_device->handle = handle;
3668 sas_device->parent_handle =
3669 le16_to_cpu(sas_device_pg0.ParentDevHandle);
3670 sas_device->enclosure_handle =
3671 le16_to_cpu(sas_device_pg0.EnclosureHandle);
3673 le16_to_cpu(sas_device_pg0.Slot);
3674 sas_device->device_info = device_info;
3675 sas_device->sas_address = sas_address;
3676 sas_device->hidden_raid_component = is_pd;
3678 /* get enclosure_logical_id */
3679 if (sas_device->enclosure_handle && !(mpt2sas_config_get_enclosure_pg0(
3680 ioc, &mpi_reply, &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
3681 sas_device->enclosure_handle)))
3682 sas_device->enclosure_logical_id =
3683 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
3685 /* get device name */
3686 sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName);
3688 if (ioc->wait_for_port_enable_to_complete)
3689 _scsih_sas_device_init_add(ioc, sas_device);
3691 _scsih_sas_device_add(ioc, sas_device);
3697 * _scsih_remove_device - removing sas device object
3698 * @ioc: per adapter object
3699 * @handle: sas device handle
3704 _scsih_remove_device(struct MPT2SAS_ADAPTER *ioc, u16 handle)
3706 struct MPT2SAS_TARGET *sas_target_priv_data;
3707 struct _sas_device *sas_device;
3708 unsigned long flags;
3709 Mpi2SasIoUnitControlReply_t mpi_reply;
3710 Mpi2SasIoUnitControlRequest_t mpi_request;
3713 /* lookup sas_device */
3714 spin_lock_irqsave(&ioc->sas_device_lock, flags);
3715 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
3717 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
3721 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter: handle"
3722 "(0x%04x)\n", ioc->name, __func__, handle));
3724 if (sas_device->starget && sas_device->starget->hostdata) {
3725 sas_target_priv_data = sas_device->starget->hostdata;
3726 sas_target_priv_data->deleted = 1;
3728 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
3730 if (ioc->remove_host)
3733 /* Target Reset to flush out all the outstanding IO */
3734 device_handle = (sas_device->hidden_raid_component) ?
3735 sas_device->volume_handle : handle;
3736 if (device_handle) {
3737 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "issue target reset: "
3738 "handle(0x%04x)\n", ioc->name, device_handle));
3739 mutex_lock(&ioc->tm_cmds.mutex);
3740 mpt2sas_scsih_issue_tm(ioc, device_handle, 0,
3741 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 10);
3742 ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
3743 mutex_unlock(&ioc->tm_cmds.mutex);
3744 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "issue target reset "
3745 "done: handle(0x%04x)\n", ioc->name, device_handle));
3748 /* SAS_IO_UNIT_CNTR - send REMOVE_DEVICE */
3749 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "sas_iounit: handle"
3750 "(0x%04x)\n", ioc->name, handle));
3751 memset(&mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t));
3752 mpi_request.Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
3753 mpi_request.Operation = MPI2_SAS_OP_REMOVE_DEVICE;
3754 mpi_request.DevHandle = handle;
3755 mpi_request.VF_ID = 0;
3756 if ((mpt2sas_base_sas_iounit_control(ioc, &mpi_reply,
3757 &mpi_request)) != 0) {
3758 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3759 ioc->name, __FILE__, __LINE__, __func__);
3762 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "sas_iounit: ioc_status"
3763 "(0x%04x), loginfo(0x%08x)\n", ioc->name,
3764 le16_to_cpu(mpi_reply.IOCStatus),
3765 le32_to_cpu(mpi_reply.IOCLogInfo)));
3768 mpt2sas_transport_port_remove(ioc, sas_device->sas_address,
3769 sas_device->parent_handle);
3771 printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), sas_addr"
3772 "(0x%016llx)\n", ioc->name, sas_device->handle,
3773 (unsigned long long) sas_device->sas_address);
3774 _scsih_sas_device_remove(ioc, sas_device);
3776 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit: handle"
3777 "(0x%04x)\n", ioc->name, __func__, handle));
3780 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
3782 * _scsih_sas_topology_change_event_debug - debug for topology event
3783 * @ioc: per adapter object
3784 * @event_data: event data payload
3788 _scsih_sas_topology_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
3789 Mpi2EventDataSasTopologyChangeList_t *event_data)
3795 char *status_str = NULL;
3798 switch (event_data->ExpStatus) {
3799 case MPI2_EVENT_SAS_TOPO_ES_ADDED:
3802 case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING:
3803 status_str = "remove";
3805 case MPI2_EVENT_SAS_TOPO_ES_RESPONDING:
3806 status_str = "responding";
3808 case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING:
3809 status_str = "remove delay";
3812 status_str = "unknown status";
3815 printk(MPT2SAS_DEBUG_FMT "sas topology change: (%s)\n",
3816 ioc->name, status_str);
3817 printk(KERN_DEBUG "\thandle(0x%04x), enclosure_handle(0x%04x) "
3818 "start_phy(%02d), count(%d)\n",
3819 le16_to_cpu(event_data->ExpanderDevHandle),
3820 le16_to_cpu(event_data->EnclosureHandle),
3821 event_data->StartPhyNum, event_data->NumEntries);
3822 for (i = 0; i < event_data->NumEntries; i++) {
3823 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
3826 phy_number = event_data->StartPhyNum + i;
3827 reason_code = event_data->PHY[i].PhyStatus &
3828 MPI2_EVENT_SAS_TOPO_RC_MASK;
3829 switch (reason_code) {
3830 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
3831 snprintf(link_rate, 25, ": add, link(0x%02x)",
3832 (event_data->PHY[i].LinkRate >> 4));
3833 status_str = link_rate;
3835 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
3836 status_str = ": remove";
3838 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
3839 status_str = ": remove_delay";
3841 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
3842 snprintf(link_rate, 25, ": link(0x%02x)",
3843 (event_data->PHY[i].LinkRate >> 4));
3844 status_str = link_rate;
3846 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
3847 status_str = ": responding";
3850 status_str = ": unknown";
3853 printk(KERN_DEBUG "\tphy(%02d), attached_handle(0x%04x)%s\n",
3854 phy_number, handle, status_str);
3860 * _scsih_sas_topology_change_event - handle topology changes
3861 * @ioc: per adapter object
3863 * @event_data: event data payload
3869 _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID,
3870 Mpi2EventDataSasTopologyChangeList_t *event_data,
3871 struct fw_event_work *fw_event)
3874 u16 parent_handle, handle;
3877 struct _sas_node *sas_expander;
3878 unsigned long flags;
3881 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
3882 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
3883 _scsih_sas_topology_change_event_debug(ioc, event_data);
3886 if (!ioc->sas_hba.num_phys)
3887 _scsih_sas_host_add(ioc);
3889 _scsih_sas_host_refresh(ioc, 0);
3891 if (fw_event->ignore) {
3892 dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "ignoring expander "
3893 "event\n", ioc->name));
3897 parent_handle = le16_to_cpu(event_data->ExpanderDevHandle);
3899 /* handle expander add */
3900 if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_ADDED)
3901 if (_scsih_expander_add(ioc, parent_handle) != 0)
3904 /* handle siblings events */
3905 for (i = 0; i < event_data->NumEntries; i++) {
3906 if (fw_event->ignore) {
3907 dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "ignoring "
3908 "expander event\n", ioc->name));
3911 if (event_data->PHY[i].PhyStatus &
3912 MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT)
3914 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
3917 phy_number = event_data->StartPhyNum + i;
3918 reason_code = event_data->PHY[i].PhyStatus &
3919 MPI2_EVENT_SAS_TOPO_RC_MASK;
3920 link_rate_ = event_data->PHY[i].LinkRate >> 4;
3921 switch (reason_code) {
3922 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
3923 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
3924 if (!parent_handle) {
3925 if (phy_number < ioc->sas_hba.num_phys)
3926 _scsih_link_change(ioc,
3927 ioc->sas_hba.phy[phy_number].handle,
3928 handle, phy_number, link_rate_);
3930 spin_lock_irqsave(&ioc->sas_node_lock, flags);
3932 mpt2sas_scsih_expander_find_by_handle(ioc,
3934 spin_unlock_irqrestore(&ioc->sas_node_lock,
3937 if (phy_number < sas_expander->num_phys)
3938 _scsih_link_change(ioc,
3940 phy[phy_number].handle,
3945 if (reason_code == MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED) {
3946 if (link_rate_ >= MPI2_SAS_NEG_LINK_RATE_1_5)
3947 _scsih_ublock_io_device(ioc, handle);
3949 if (reason_code == MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED) {
3950 if (link_rate_ < MPI2_SAS_NEG_LINK_RATE_1_5)
3952 _scsih_add_device(ioc, handle, phy_number, 0);
3955 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
3956 _scsih_remove_device(ioc, handle);
3961 /* handle expander removal */
3962 if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING)
3963 _scsih_expander_remove(ioc, parent_handle);
3967 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
3969 * _scsih_sas_device_status_change_event_debug - debug for device event
3970 * @event_data: event data payload
3976 _scsih_sas_device_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
3977 Mpi2EventDataSasDeviceStatusChange_t *event_data)
3979 char *reason_str = NULL;
3981 switch (event_data->ReasonCode) {
3982 case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
3983 reason_str = "smart data";
3985 case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED:
3986 reason_str = "unsupported device discovered";
3988 case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
3989 reason_str = "internal device reset";
3991 case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL:
3992 reason_str = "internal task abort";
3994 case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL:
3995 reason_str = "internal task abort set";
3997 case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL:
3998 reason_str = "internal clear task set";
4000 case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL:
4001 reason_str = "internal query task";
4003 case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE:
4004 reason_str = "sata init failure";
4006 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET:
4007 reason_str = "internal device reset complete";
4009 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL:
4010 reason_str = "internal task abort complete";
4012 case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION:
4013 reason_str = "internal async notification";
4016 reason_str = "unknown reason";
4019 printk(MPT2SAS_DEBUG_FMT "device status change: (%s)\n"
4020 "\thandle(0x%04x), sas address(0x%016llx)", ioc->name,
4021 reason_str, le16_to_cpu(event_data->DevHandle),
4022 (unsigned long long)le64_to_cpu(event_data->SASAddress));
4023 if (event_data->ReasonCode == MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA)
4024 printk(MPT2SAS_DEBUG_FMT ", ASC(0x%x), ASCQ(0x%x)\n", ioc->name,
4025 event_data->ASC, event_data->ASCQ);
4026 printk(KERN_INFO "\n");
4031 * _scsih_sas_device_status_change_event - handle device status change
4032 * @ioc: per adapter object
4034 * @event_data: event data payload
4040 _scsih_sas_device_status_change_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID,
4041 Mpi2EventDataSasDeviceStatusChange_t *event_data)
4043 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4044 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
4045 _scsih_sas_device_status_change_event_debug(ioc, event_data);
4049 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4051 * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure event
4052 * @ioc: per adapter object
4053 * @event_data: event data payload
4059 _scsih_sas_enclosure_dev_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
4060 Mpi2EventDataSasEnclDevStatusChange_t *event_data)
4062 char *reason_str = NULL;
4064 switch (event_data->ReasonCode) {
4065 case MPI2_EVENT_SAS_ENCL_RC_ADDED:
4066 reason_str = "enclosure add";
4068 case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING:
4069 reason_str = "enclosure remove";
4072 reason_str = "unknown reason";
4076 printk(MPT2SAS_DEBUG_FMT "enclosure status change: (%s)\n"
4077 "\thandle(0x%04x), enclosure logical id(0x%016llx)"
4078 " number slots(%d)\n", ioc->name, reason_str,
4079 le16_to_cpu(event_data->EnclosureHandle),
4080 (unsigned long long)le64_to_cpu(event_data->EnclosureLogicalID),
4081 le16_to_cpu(event_data->StartSlot));
4086 * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events
4087 * @ioc: per adapter object
4089 * @event_data: event data payload
4095 _scsih_sas_enclosure_dev_status_change_event(struct MPT2SAS_ADAPTER *ioc,
4096 u8 VF_ID, Mpi2EventDataSasEnclDevStatusChange_t *event_data)
4098 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4099 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
4100 _scsih_sas_enclosure_dev_status_change_event_debug(ioc,
4106 * _scsih_sas_broadcast_primative_event - handle broadcast events
4107 * @ioc: per adapter object
4108 * @event_data: event data payload
4114 _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID,
4115 Mpi2EventDataSasBroadcastPrimitive_t *event_data)
4117 struct scsi_cmnd *scmd;
4120 struct MPT2SAS_DEVICE *sas_device_priv_data;
4121 u32 termination_count;
4123 Mpi2SCSITaskManagementReply_t *mpi_reply;
4125 dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "broadcast primative: "
4126 "phy number(%d), width(%d)\n", ioc->name, event_data->PhyNum,
4127 event_data->PortWidth));
4129 dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: enter\n", ioc->name,
4132 mutex_lock(&ioc->tm_cmds.mutex);
4133 termination_count = 0;
4135 mpi_reply = ioc->tm_cmds.reply;
4136 for (smid = 1; smid <= ioc->request_depth; smid++) {
4137 scmd = _scsih_scsi_lookup_get(ioc, smid);
4140 sas_device_priv_data = scmd->device->hostdata;
4141 if (!sas_device_priv_data || !sas_device_priv_data->sas_target)
4143 /* skip hidden raid components */
4144 if (sas_device_priv_data->sas_target->flags &
4145 MPT_TARGET_FLAGS_RAID_COMPONENT)
4148 if (sas_device_priv_data->sas_target->flags &
4149 MPT_TARGET_FLAGS_VOLUME)
4152 handle = sas_device_priv_data->sas_target->handle;
4153 lun = sas_device_priv_data->lun;
4156 mpt2sas_scsih_issue_tm(ioc, handle, lun,
4157 MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30);
4158 ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
4160 if ((mpi_reply->IOCStatus == MPI2_IOCSTATUS_SUCCESS) &&
4161 (mpi_reply->ResponseCode ==
4162 MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED ||
4163 mpi_reply->ResponseCode ==
4164 MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC))
4167 mpt2sas_scsih_issue_tm(ioc, handle, lun,
4168 MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET, 0, 30);
4169 ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
4170 termination_count += le32_to_cpu(mpi_reply->TerminationCount);
4172 ioc->broadcast_aen_busy = 0;
4173 mutex_unlock(&ioc->tm_cmds.mutex);
4175 dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT
4176 "%s - exit, query_count = %d termination_count = %d\n",
4177 ioc->name, __func__, query_count, termination_count));
4181 * _scsih_sas_discovery_event - handle discovery events
4182 * @ioc: per adapter object
4183 * @event_data: event data payload
4189 _scsih_sas_discovery_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID,
4190 Mpi2EventDataSasDiscovery_t *event_data)
4192 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4193 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) {
4194 printk(MPT2SAS_DEBUG_FMT "discovery event: (%s)", ioc->name,
4195 (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ?
4197 if (event_data->DiscoveryStatus)
4198 printk(MPT2SAS_DEBUG_FMT ", discovery_status(0x%08x)",
4199 ioc->name, le32_to_cpu(event_data->DiscoveryStatus));
4204 if (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED &&
4205 !ioc->sas_hba.num_phys)
4206 _scsih_sas_host_add(ioc);
4210 * _scsih_reprobe_lun - reprobing lun
4211 * @sdev: scsi device struct
4212 * @no_uld_attach: sdev->no_uld_attach flag setting
4216 _scsih_reprobe_lun(struct scsi_device *sdev, void *no_uld_attach)
4220 sdev->no_uld_attach = no_uld_attach ? 1 : 0;
4221 sdev_printk(KERN_INFO, sdev, "%s raid component\n",
4222 sdev->no_uld_attach ? "hidding" : "exposing");
4223 rc = scsi_device_reprobe(sdev);
4227 * _scsih_reprobe_target - reprobing target
4228 * @starget: scsi target struct
4229 * @no_uld_attach: sdev->no_uld_attach flag setting
4231 * Note: no_uld_attach flag determines whether the disk device is attached
4232 * to block layer. A value of `1` means to not attach.
4235 _scsih_reprobe_target(struct scsi_target *starget, int no_uld_attach)
4237 struct MPT2SAS_TARGET *sas_target_priv_data = starget->hostdata;
4240 sas_target_priv_data->flags |= MPT_TARGET_FLAGS_RAID_COMPONENT;
4242 sas_target_priv_data->flags &= ~MPT_TARGET_FLAGS_RAID_COMPONENT;
4244 starget_for_each_device(starget, no_uld_attach ? (void *)1 : NULL,
4245 _scsih_reprobe_lun);
4248 * _scsih_sas_volume_add - add new volume
4249 * @ioc: per adapter object
4250 * @element: IR config element data
4256 _scsih_sas_volume_add(struct MPT2SAS_ADAPTER *ioc,
4257 Mpi2EventIrConfigElement_t *element)
4259 struct _raid_device *raid_device;
4260 unsigned long flags;
4262 u16 handle = le16_to_cpu(element->VolDevHandle);
4265 mpt2sas_config_get_volume_wwid(ioc, handle, &wwid);
4267 printk(MPT2SAS_ERR_FMT
4268 "failure at %s:%d/%s()!\n", ioc->name,
4269 __FILE__, __LINE__, __func__);
4273 spin_lock_irqsave(&ioc->raid_device_lock, flags);
4274 raid_device = _scsih_raid_device_find_by_wwid(ioc, wwid);
4275 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
4280 raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
4282 printk(MPT2SAS_ERR_FMT
4283 "failure at %s:%d/%s()!\n", ioc->name,
4284 __FILE__, __LINE__, __func__);
4288 raid_device->id = ioc->sas_id++;
4289 raid_device->channel = RAID_CHANNEL;
4290 raid_device->handle = handle;
4291 raid_device->wwid = wwid;
4292 _scsih_raid_device_add(ioc, raid_device);
4293 if (!ioc->wait_for_port_enable_to_complete) {
4294 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
4295 raid_device->id, 0);
4297 _scsih_raid_device_remove(ioc, raid_device);
4299 _scsih_determine_boot_device(ioc, raid_device, 1);
4303 * _scsih_sas_volume_delete - delete volume
4304 * @ioc: per adapter object
4305 * @element: IR config element data
4311 _scsih_sas_volume_delete(struct MPT2SAS_ADAPTER *ioc,
4312 Mpi2EventIrConfigElement_t *element)
4314 struct _raid_device *raid_device;
4315 u16 handle = le16_to_cpu(element->VolDevHandle);
4316 unsigned long flags;
4317 struct MPT2SAS_TARGET *sas_target_priv_data;
4319 spin_lock_irqsave(&ioc->raid_device_lock, flags);
4320 raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
4321 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
4324 if (raid_device->starget) {
4325 sas_target_priv_data = raid_device->starget->hostdata;
4326 sas_target_priv_data->deleted = 1;
4327 scsi_remove_target(&raid_device->starget->dev);
4329 _scsih_raid_device_remove(ioc, raid_device);
4333 * _scsih_sas_pd_expose - expose pd component to /dev/sdX
4334 * @ioc: per adapter object
4335 * @element: IR config element data
4341 _scsih_sas_pd_expose(struct MPT2SAS_ADAPTER *ioc,
4342 Mpi2EventIrConfigElement_t *element)
4344 struct _sas_device *sas_device;
4345 unsigned long flags;
4346 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
4348 spin_lock_irqsave(&ioc->sas_device_lock, flags);
4349 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
4350 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4354 /* exposing raid component */
4355 sas_device->volume_handle = 0;
4356 sas_device->volume_wwid = 0;
4357 sas_device->hidden_raid_component = 0;
4358 _scsih_reprobe_target(sas_device->starget, 0);
4362 * _scsih_sas_pd_hide - hide pd component from /dev/sdX
4363 * @ioc: per adapter object
4364 * @element: IR config element data
4370 _scsih_sas_pd_hide(struct MPT2SAS_ADAPTER *ioc,
4371 Mpi2EventIrConfigElement_t *element)
4373 struct _sas_device *sas_device;
4374 unsigned long flags;
4375 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
4377 spin_lock_irqsave(&ioc->sas_device_lock, flags);
4378 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
4379 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4383 /* hiding raid component */
4384 mpt2sas_config_get_volume_handle(ioc, handle,
4385 &sas_device->volume_handle);
4386 mpt2sas_config_get_volume_wwid(ioc, sas_device->volume_handle,
4387 &sas_device->volume_wwid);
4388 sas_device->hidden_raid_component = 1;
4389 _scsih_reprobe_target(sas_device->starget, 1);
4393 * _scsih_sas_pd_delete - delete pd component
4394 * @ioc: per adapter object
4395 * @element: IR config element data
4401 _scsih_sas_pd_delete(struct MPT2SAS_ADAPTER *ioc,
4402 Mpi2EventIrConfigElement_t *element)
4404 struct _sas_device *sas_device;
4405 unsigned long flags;
4406 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
4408 spin_lock_irqsave(&ioc->sas_device_lock, flags);
4409 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
4410 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4413 _scsih_remove_device(ioc, handle);
4417 * _scsih_sas_pd_add - remove pd component
4418 * @ioc: per adapter object
4419 * @element: IR config element data
4425 _scsih_sas_pd_add(struct MPT2SAS_ADAPTER *ioc,
4426 Mpi2EventIrConfigElement_t *element)
4428 struct _sas_device *sas_device;
4429 unsigned long flags;
4430 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
4431 Mpi2ConfigReply_t mpi_reply;
4432 Mpi2SasDevicePage0_t sas_device_pg0;
4435 spin_lock_irqsave(&ioc->sas_device_lock, flags);
4436 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
4437 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4439 sas_device->hidden_raid_component = 1;
4443 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
4444 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
4445 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4446 ioc->name, __FILE__, __LINE__, __func__);
4450 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
4451 MPI2_IOCSTATUS_MASK;
4452 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
4453 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4454 ioc->name, __FILE__, __LINE__, __func__);
4458 _scsih_link_change(ioc,
4459 le16_to_cpu(sas_device_pg0.ParentDevHandle),
4460 handle, sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
4462 _scsih_add_device(ioc, handle, 0, 1);
4465 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4467 * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events
4468 * @ioc: per adapter object
4469 * @event_data: event data payload
4475 _scsih_sas_ir_config_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
4476 Mpi2EventDataIrConfigChangeList_t *event_data)
4478 Mpi2EventIrConfigElement_t *element;
4481 char *reason_str = NULL, *element_str = NULL;
4483 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
4485 printk(MPT2SAS_DEBUG_FMT "raid config change: (%s), elements(%d)\n",
4486 ioc->name, (le32_to_cpu(event_data->Flags) &
4487 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ?
4488 "foreign" : "native", event_data->NumElements);
4489 for (i = 0; i < event_data->NumElements; i++, element++) {
4490 switch (element->ReasonCode) {
4491 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
4494 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
4495 reason_str = "remove";
4497 case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE:
4498 reason_str = "no change";
4500 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
4501 reason_str = "hide";
4503 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
4504 reason_str = "unhide";
4506 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
4507 reason_str = "volume_created";
4509 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
4510 reason_str = "volume_deleted";
4512 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
4513 reason_str = "pd_created";
4515 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
4516 reason_str = "pd_deleted";
4519 reason_str = "unknown reason";
4522 element_type = le16_to_cpu(element->ElementFlags) &
4523 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK;
4524 switch (element_type) {
4525 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT:
4526 element_str = "volume";
4528 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT:
4529 element_str = "phys disk";
4531 case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT:
4532 element_str = "hot spare";
4535 element_str = "unknown element";
4538 printk(KERN_DEBUG "\t(%s:%s), vol handle(0x%04x), "
4539 "pd handle(0x%04x), pd num(0x%02x)\n", element_str,
4540 reason_str, le16_to_cpu(element->VolDevHandle),
4541 le16_to_cpu(element->PhysDiskDevHandle),
4542 element->PhysDiskNum);
4548 * _scsih_sas_ir_config_change_event - handle ir configuration change events
4549 * @ioc: per adapter object
4551 * @event_data: event data payload
4557 _scsih_sas_ir_config_change_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID,
4558 Mpi2EventDataIrConfigChangeList_t *event_data)
4560 Mpi2EventIrConfigElement_t *element;
4564 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4565 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
4566 _scsih_sas_ir_config_change_event_debug(ioc, event_data);
4569 foreign_config = (le32_to_cpu(event_data->Flags) &
4570 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
4572 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
4573 for (i = 0; i < event_data->NumElements; i++, element++) {
4575 switch (element->ReasonCode) {
4576 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
4577 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
4578 if (!foreign_config)
4579 _scsih_sas_volume_add(ioc, element);
4581 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
4582 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
4583 if (!foreign_config)
4584 _scsih_sas_volume_delete(ioc, element);
4586 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
4587 _scsih_sas_pd_hide(ioc, element);
4589 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
4590 _scsih_sas_pd_expose(ioc, element);
4592 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
4593 _scsih_sas_pd_add(ioc, element);
4595 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
4596 _scsih_sas_pd_delete(ioc, element);
4603 * _scsih_sas_ir_volume_event - IR volume event
4604 * @ioc: per adapter object
4605 * @event_data: event data payload
4611 _scsih_sas_ir_volume_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID,
4612 Mpi2EventDataIrVolume_t *event_data)
4615 unsigned long flags;
4616 struct _raid_device *raid_device;
4620 struct MPT2SAS_TARGET *sas_target_priv_data;
4622 if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
4625 handle = le16_to_cpu(event_data->VolDevHandle);
4626 state = le32_to_cpu(event_data->NewValue);
4627 dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle(0x%04x), "
4628 "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle,
4629 le32_to_cpu(event_data->PreviousValue), state));
4631 spin_lock_irqsave(&ioc->raid_device_lock, flags);
4632 raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
4633 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
4636 case MPI2_RAID_VOL_STATE_MISSING:
4637 case MPI2_RAID_VOL_STATE_FAILED:
4640 if (raid_device->starget) {
4641 sas_target_priv_data = raid_device->starget->hostdata;
4642 sas_target_priv_data->deleted = 1;
4643 scsi_remove_target(&raid_device->starget->dev);
4645 _scsih_raid_device_remove(ioc, raid_device);
4648 case MPI2_RAID_VOL_STATE_ONLINE:
4649 case MPI2_RAID_VOL_STATE_DEGRADED:
4650 case MPI2_RAID_VOL_STATE_OPTIMAL:
4654 mpt2sas_config_get_volume_wwid(ioc, handle, &wwid);
4656 printk(MPT2SAS_ERR_FMT
4657 "failure at %s:%d/%s()!\n", ioc->name,
4658 __FILE__, __LINE__, __func__);
4662 raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
4664 printk(MPT2SAS_ERR_FMT
4665 "failure at %s:%d/%s()!\n", ioc->name,
4666 __FILE__, __LINE__, __func__);
4670 raid_device->id = ioc->sas_id++;
4671 raid_device->channel = RAID_CHANNEL;
4672 raid_device->handle = handle;
4673 raid_device->wwid = wwid;
4674 _scsih_raid_device_add(ioc, raid_device);
4675 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
4676 raid_device->id, 0);
4678 _scsih_raid_device_remove(ioc, raid_device);
4681 case MPI2_RAID_VOL_STATE_INITIALIZING:
4688 * _scsih_sas_ir_physical_disk_event - PD event
4689 * @ioc: per adapter object
4690 * @event_data: event data payload
4696 _scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID,
4697 Mpi2EventDataIrPhysicalDisk_t *event_data)
4701 struct _sas_device *sas_device;
4702 unsigned long flags;
4703 Mpi2ConfigReply_t mpi_reply;
4704 Mpi2SasDevicePage0_t sas_device_pg0;
4707 if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED)
4710 handle = le16_to_cpu(event_data->PhysDiskDevHandle);
4711 state = le32_to_cpu(event_data->NewValue);
4713 dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle(0x%04x), "
4714 "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle,
4715 le32_to_cpu(event_data->PreviousValue), state));
4717 spin_lock_irqsave(&ioc->sas_device_lock, flags);
4718 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
4719 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4722 case MPI2_RAID_PD_STATE_ONLINE:
4723 case MPI2_RAID_PD_STATE_DEGRADED:
4724 case MPI2_RAID_PD_STATE_REBUILDING:
4725 case MPI2_RAID_PD_STATE_OPTIMAL:
4727 sas_device->hidden_raid_component = 1;
4731 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
4732 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
4734 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4735 ioc->name, __FILE__, __LINE__, __func__);
4739 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
4740 MPI2_IOCSTATUS_MASK;
4741 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
4742 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4743 ioc->name, __FILE__, __LINE__, __func__);
4747 _scsih_link_change(ioc,
4748 le16_to_cpu(sas_device_pg0.ParentDevHandle),
4749 handle, sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
4751 _scsih_add_device(ioc, handle, 0, 1);
4755 case MPI2_RAID_PD_STATE_OFFLINE:
4756 case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
4757 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
4758 case MPI2_RAID_PD_STATE_HOT_SPARE:
4764 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4766 * _scsih_sas_ir_operation_status_event_debug - debug for IR op event
4767 * @ioc: per adapter object
4768 * @event_data: event data payload
4774 _scsih_sas_ir_operation_status_event_debug(struct MPT2SAS_ADAPTER *ioc,
4775 Mpi2EventDataIrOperationStatus_t *event_data)
4777 char *reason_str = NULL;
4779 switch (event_data->RAIDOperation) {
4780 case MPI2_EVENT_IR_RAIDOP_RESYNC:
4781 reason_str = "resync";
4783 case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION:
4784 reason_str = "online capacity expansion";
4786 case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK:
4787 reason_str = "consistency check";
4790 reason_str = "unknown reason";
4794 printk(MPT2SAS_INFO_FMT "raid operational status: (%s)"
4795 "\thandle(0x%04x), percent complete(%d)\n",
4796 ioc->name, reason_str,
4797 le16_to_cpu(event_data->VolDevHandle),
4798 event_data->PercentComplete);
4803 * _scsih_sas_ir_operation_status_event - handle RAID operation events
4804 * @ioc: per adapter object
4806 * @event_data: event data payload
4812 _scsih_sas_ir_operation_status_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID,
4813 Mpi2EventDataIrOperationStatus_t *event_data)
4815 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4816 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
4817 _scsih_sas_ir_operation_status_event_debug(ioc, event_data);
4822 * _scsih_task_set_full - handle task set full
4823 * @ioc: per adapter object
4824 * @event_data: event data payload
4827 * Throttle back qdepth.
4830 _scsih_task_set_full(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID,
4831 Mpi2EventDataTaskSetFull_t *event_data)
4833 unsigned long flags;
4834 struct _sas_device *sas_device;
4835 static struct _raid_device *raid_device;
4836 struct scsi_device *sdev;
4843 current_depth = le16_to_cpu(event_data->CurrentDepth);
4844 handle = le16_to_cpu(event_data->DevHandle);
4845 spin_lock_irqsave(&ioc->sas_device_lock, flags);
4846 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
4848 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4851 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4852 id = sas_device->id;
4853 channel = sas_device->channel;
4854 sas_address = sas_device->sas_address;
4856 /* if hidden raid component, then change to volume characteristics */
4857 if (sas_device->hidden_raid_component && sas_device->volume_handle) {
4858 spin_lock_irqsave(&ioc->raid_device_lock, flags);
4859 raid_device = _scsih_raid_device_find_by_handle(
4860 ioc, sas_device->volume_handle);
4861 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
4863 id = raid_device->id;
4864 channel = raid_device->channel;
4865 handle = raid_device->handle;
4866 sas_address = raid_device->wwid;
4870 if (ioc->logging_level & MPT_DEBUG_TASK_SET_FULL)
4871 starget_printk(KERN_DEBUG, sas_device->starget, "task set "
4872 "full: handle(0x%04x), sas_addr(0x%016llx), depth(%d)\n",
4873 handle, (unsigned long long)sas_address, current_depth);
4875 shost_for_each_device(sdev, ioc->shost) {
4876 if (sdev->id == id && sdev->channel == channel) {
4877 if (current_depth > sdev->queue_depth) {
4878 if (ioc->logging_level &
4879 MPT_DEBUG_TASK_SET_FULL)
4880 sdev_printk(KERN_INFO, sdev, "strange "
4881 "observation, the queue depth is"
4882 " (%d) meanwhile fw queue depth "
4883 "is (%d)\n", sdev->queue_depth,
4887 depth = scsi_track_queue_full(sdev,
4890 sdev_printk(KERN_INFO, sdev, "Queue depth "
4891 "reduced to (%d)\n", depth);
4893 sdev_printk(KERN_INFO, sdev, "Tagged Command "
4894 "Queueing is being disabled\n");
4895 else if (depth == 0)
4896 if (ioc->logging_level &
4897 MPT_DEBUG_TASK_SET_FULL)
4898 sdev_printk(KERN_INFO, sdev,
4899 "Queue depth not changed yet\n");
4905 * _scsih_mark_responding_sas_device - mark a sas_devices as responding
4906 * @ioc: per adapter object
4907 * @sas_address: sas address
4908 * @slot: enclosure slot id
4909 * @handle: device handle
4911 * After host reset, find out whether devices are still responding.
4912 * Used in _scsi_remove_unresponsive_sas_devices.
4917 _scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
4918 u16 slot, u16 handle)
4920 struct MPT2SAS_TARGET *sas_target_priv_data;
4921 struct scsi_target *starget;
4922 struct _sas_device *sas_device;
4923 unsigned long flags;
4925 spin_lock_irqsave(&ioc->sas_device_lock, flags);
4926 list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
4927 if (sas_device->sas_address == sas_address &&
4928 sas_device->slot == slot && sas_device->starget) {
4929 sas_device->responding = 1;
4930 starget_printk(KERN_INFO, sas_device->starget,
4931 "handle(0x%04x), sas_addr(0x%016llx), enclosure "
4932 "logical id(0x%016llx), slot(%d)\n", handle,
4933 (unsigned long long)sas_device->sas_address,
4934 (unsigned long long)
4935 sas_device->enclosure_logical_id,
4937 if (sas_device->handle == handle)
4939 printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n",
4940 sas_device->handle);
4941 sas_device->handle = handle;
4942 starget = sas_device->starget;
4943 sas_target_priv_data = starget->hostdata;
4944 sas_target_priv_data->handle = handle;
4949 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4953 * _scsih_search_responding_sas_devices -
4954 * @ioc: per adapter object
4956 * After host reset, find out whether devices are still responding.
4962 _scsih_search_responding_sas_devices(struct MPT2SAS_ADAPTER *ioc)
4964 Mpi2SasDevicePage0_t sas_device_pg0;
4965 Mpi2ConfigReply_t mpi_reply;
4972 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__);
4974 if (list_empty(&ioc->sas_device_list))
4978 while (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
4979 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
4981 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
4982 MPI2_IOCSTATUS_MASK;
4983 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
4985 handle = le16_to_cpu(sas_device_pg0.DevHandle);
4986 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
4987 if (!(_scsih_is_end_device(device_info)))
4989 sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
4990 slot = le16_to_cpu(sas_device_pg0.Slot);
4991 _scsih_mark_responding_sas_device(ioc, sas_address, slot,
4997 * _scsih_mark_responding_raid_device - mark a raid_device as responding
4998 * @ioc: per adapter object
4999 * @wwid: world wide identifier for raid volume
5000 * @handle: device handle
5002 * After host reset, find out whether devices are still responding.
5003 * Used in _scsi_remove_unresponsive_raid_devices.
5008 _scsih_mark_responding_raid_device(struct MPT2SAS_ADAPTER *ioc, u64 wwid,
5011 struct MPT2SAS_TARGET *sas_target_priv_data;
5012 struct scsi_target *starget;
5013 struct _raid_device *raid_device;
5014 unsigned long flags;
5016 spin_lock_irqsave(&ioc->raid_device_lock, flags);
5017 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
5018 if (raid_device->wwid == wwid && raid_device->starget) {
5019 raid_device->responding = 1;
5020 starget_printk(KERN_INFO, raid_device->starget,
5021 "handle(0x%04x), wwid(0x%016llx)\n", handle,
5022 (unsigned long long)raid_device->wwid);
5023 if (raid_device->handle == handle)
5025 printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n",
5026 raid_device->handle);
5027 raid_device->handle = handle;
5028 starget = raid_device->starget;
5029 sas_target_priv_data = starget->hostdata;
5030 sas_target_priv_data->handle = handle;
5035 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
5039 * _scsih_search_responding_raid_devices -
5040 * @ioc: per adapter object
5042 * After host reset, find out whether devices are still responding.
5048 _scsih_search_responding_raid_devices(struct MPT2SAS_ADAPTER *ioc)
5050 Mpi2RaidVolPage1_t volume_pg1;
5051 Mpi2ConfigReply_t mpi_reply;
5055 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__);
5057 if (list_empty(&ioc->raid_device_list))
5061 while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
5062 &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
5063 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
5064 MPI2_IOCSTATUS_MASK;
5065 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
5067 handle = le16_to_cpu(volume_pg1.DevHandle);
5068 _scsih_mark_responding_raid_device(ioc,
5069 le64_to_cpu(volume_pg1.WWID), handle);
5074 * _scsih_mark_responding_expander - mark a expander as responding
5075 * @ioc: per adapter object
5076 * @sas_address: sas address
5079 * After host reset, find out whether devices are still responding.
5080 * Used in _scsi_remove_unresponsive_expanders.
5085 _scsih_mark_responding_expander(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
5088 struct _sas_node *sas_expander;
5089 unsigned long flags;
5091 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5092 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
5093 if (sas_expander->sas_address == sas_address) {
5094 sas_expander->responding = 1;
5095 if (sas_expander->handle != handle) {
5096 printk(KERN_INFO "old handle(0x%04x)\n",
5097 sas_expander->handle);
5098 sas_expander->handle = handle;
5104 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5108 * _scsih_search_responding_expanders -
5109 * @ioc: per adapter object
5111 * After host reset, find out whether devices are still responding.
5117 _scsih_search_responding_expanders(struct MPT2SAS_ADAPTER *ioc)
5119 Mpi2ExpanderPage0_t expander_pg0;
5120 Mpi2ConfigReply_t mpi_reply;
5125 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__);
5127 if (list_empty(&ioc->sas_expander_list))
5131 while (!(mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
5132 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) {
5134 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
5135 MPI2_IOCSTATUS_MASK;
5136 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
5139 handle = le16_to_cpu(expander_pg0.DevHandle);
5140 sas_address = le64_to_cpu(expander_pg0.SASAddress);
5141 printk(KERN_INFO "\texpander present: handle(0x%04x), "
5142 "sas_addr(0x%016llx)\n", handle,
5143 (unsigned long long)sas_address);
5144 _scsih_mark_responding_expander(ioc, sas_address, handle);
5150 * _scsih_remove_unresponding_devices - removing unresponding devices
5151 * @ioc: per adapter object
5156 _scsih_remove_unresponding_devices(struct MPT2SAS_ADAPTER *ioc)
5158 struct _sas_device *sas_device, *sas_device_next;
5159 struct _sas_node *sas_expander, *sas_expander_next;
5160 struct _raid_device *raid_device, *raid_device_next;
5161 unsigned long flags;
5163 _scsih_search_responding_sas_devices(ioc);
5164 _scsih_search_responding_raid_devices(ioc);
5165 _scsih_search_responding_expanders(ioc);
5167 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
5168 ioc->shost_recovery = 0;
5169 if (ioc->shost->shost_state == SHOST_RECOVERY) {
5170 printk(MPT2SAS_INFO_FMT "putting controller into "
5171 "SHOST_RUNNING\n", ioc->name);
5172 scsi_host_set_state(ioc->shost, SHOST_RUNNING);
5174 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
5176 list_for_each_entry_safe(sas_device, sas_device_next,
5177 &ioc->sas_device_list, list) {
5178 if (sas_device->responding) {
5179 sas_device->responding = 0;
5182 if (sas_device->starget)
5183 starget_printk(KERN_INFO, sas_device->starget,
5184 "removing: handle(0x%04x), sas_addr(0x%016llx), "
5185 "enclosure logical id(0x%016llx), slot(%d)\n",
5187 (unsigned long long)sas_device->sas_address,
5188 (unsigned long long)
5189 sas_device->enclosure_logical_id,
5191 _scsih_remove_device(ioc, sas_device->handle);
5194 list_for_each_entry_safe(raid_device, raid_device_next,
5195 &ioc->raid_device_list, list) {
5196 if (raid_device->responding) {
5197 raid_device->responding = 0;
5200 if (raid_device->starget) {
5201 starget_printk(KERN_INFO, raid_device->starget,
5202 "removing: handle(0x%04x), wwid(0x%016llx)\n",
5203 raid_device->handle,
5204 (unsigned long long)raid_device->wwid);
5205 scsi_remove_target(&raid_device->starget->dev);
5207 _scsih_raid_device_remove(ioc, raid_device);
5210 list_for_each_entry_safe(sas_expander, sas_expander_next,
5211 &ioc->sas_expander_list, list) {
5212 if (sas_expander->responding) {
5213 sas_expander->responding = 0;
5216 printk("\tremoving expander: handle(0x%04x), "
5217 " sas_addr(0x%016llx)\n", sas_expander->handle,
5218 (unsigned long long)sas_expander->sas_address);
5219 _scsih_expander_remove(ioc, sas_expander->handle);
5224 * _firmware_event_work - delayed task for processing firmware events
5225 * @ioc: per adapter object
5226 * @work: equal to the fw_event_work object
5232 _firmware_event_work(struct work_struct *work)
5234 struct fw_event_work *fw_event = container_of(work,
5235 struct fw_event_work, work);
5236 unsigned long flags;
5237 struct MPT2SAS_ADAPTER *ioc = fw_event->ioc;
5239 /* This is invoked by calling _scsih_queue_rescan(). */
5240 if (fw_event->event == MPT2SAS_RESCAN_AFTER_HOST_RESET) {
5241 _scsih_fw_event_free(ioc, fw_event);
5242 _scsih_sas_host_refresh(ioc, 1);
5243 _scsih_remove_unresponding_devices(ioc);
5247 /* the queue is being flushed so ignore this event */
5248 spin_lock_irqsave(&ioc->fw_event_lock, flags);
5249 if (ioc->fw_events_off || ioc->remove_host) {
5250 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
5251 _scsih_fw_event_free(ioc, fw_event);
5254 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
5256 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
5257 if (ioc->shost_recovery) {
5258 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
5259 _scsih_fw_event_requeue(ioc, fw_event, 1000);
5262 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
5264 switch (fw_event->event) {
5265 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
5266 _scsih_sas_topology_change_event(ioc, fw_event->VF_ID,
5267 fw_event->event_data, fw_event);
5269 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
5270 _scsih_sas_device_status_change_event(ioc, fw_event->VF_ID,
5271 fw_event->event_data);
5273 case MPI2_EVENT_SAS_DISCOVERY:
5274 _scsih_sas_discovery_event(ioc, fw_event->VF_ID,
5275 fw_event->event_data);
5277 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
5278 _scsih_sas_broadcast_primative_event(ioc, fw_event->VF_ID,
5279 fw_event->event_data);
5281 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
5282 _scsih_sas_enclosure_dev_status_change_event(ioc,
5283 fw_event->VF_ID, fw_event->event_data);
5285 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
5286 _scsih_sas_ir_config_change_event(ioc, fw_event->VF_ID,
5287 fw_event->event_data);
5289 case MPI2_EVENT_IR_VOLUME:
5290 _scsih_sas_ir_volume_event(ioc, fw_event->VF_ID,
5291 fw_event->event_data);
5293 case MPI2_EVENT_IR_PHYSICAL_DISK:
5294 _scsih_sas_ir_physical_disk_event(ioc, fw_event->VF_ID,
5295 fw_event->event_data);
5297 case MPI2_EVENT_IR_OPERATION_STATUS:
5298 _scsih_sas_ir_operation_status_event(ioc, fw_event->VF_ID,
5299 fw_event->event_data);
5301 case MPI2_EVENT_TASK_SET_FULL:
5302 _scsih_task_set_full(ioc, fw_event->VF_ID,
5303 fw_event->event_data);
5306 _scsih_fw_event_free(ioc, fw_event);
5310 * mpt2sas_scsih_event_callback - firmware event handler (called at ISR time)
5311 * @ioc: per adapter object
5312 * @VF_ID: virtual function id
5313 * @reply: reply message frame(lower 32bit addr)
5314 * Context: interrupt.
5316 * This function merely adds a new work task into ioc->firmware_event_thread.
5317 * The tasks are worked from _firmware_event_work in user context.
5322 mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, u32 reply)
5324 struct fw_event_work *fw_event;
5325 Mpi2EventNotificationReply_t *mpi_reply;
5326 unsigned long flags;
5329 /* events turned off due to host reset or driver unloading */
5330 spin_lock_irqsave(&ioc->fw_event_lock, flags);
5331 if (ioc->fw_events_off || ioc->remove_host) {
5332 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
5335 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
5337 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
5338 event = le16_to_cpu(mpi_reply->Event);
5342 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
5344 Mpi2EventDataSasBroadcastPrimitive_t *baen_data =
5345 (Mpi2EventDataSasBroadcastPrimitive_t *)
5346 mpi_reply->EventData;
5348 if (baen_data->Primitive !=
5349 MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT ||
5350 ioc->broadcast_aen_busy)
5352 ioc->broadcast_aen_busy = 1;
5356 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
5357 _scsih_check_topo_delete_events(ioc,
5358 (Mpi2EventDataSasTopologyChangeList_t *)
5359 mpi_reply->EventData);
5362 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
5363 case MPI2_EVENT_IR_OPERATION_STATUS:
5364 case MPI2_EVENT_SAS_DISCOVERY:
5365 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
5366 case MPI2_EVENT_IR_VOLUME:
5367 case MPI2_EVENT_IR_PHYSICAL_DISK:
5368 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
5369 case MPI2_EVENT_TASK_SET_FULL:
5372 default: /* ignore the rest */
5376 fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC);
5378 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5379 ioc->name, __FILE__, __LINE__, __func__);
5382 fw_event->event_data =
5383 kzalloc(mpi_reply->EventDataLength*4, GFP_ATOMIC);
5384 if (!fw_event->event_data) {
5385 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5386 ioc->name, __FILE__, __LINE__, __func__);
5391 memcpy(fw_event->event_data, mpi_reply->EventData,
5392 mpi_reply->EventDataLength*4);
5393 fw_event->ioc = ioc;
5394 fw_event->VF_ID = VF_ID;
5395 fw_event->event = event;
5396 _scsih_fw_event_add(ioc, fw_event);
5399 /* shost template */
5400 static struct scsi_host_template scsih_driver_template = {
5401 .module = THIS_MODULE,
5402 .name = "Fusion MPT SAS Host",
5403 .proc_name = MPT2SAS_DRIVER_NAME,
5404 .queuecommand = _scsih_qcmd,
5405 .target_alloc = _scsih_target_alloc,
5406 .slave_alloc = _scsih_slave_alloc,
5407 .slave_configure = _scsih_slave_configure,
5408 .target_destroy = _scsih_target_destroy,
5409 .slave_destroy = _scsih_slave_destroy,
5410 .change_queue_depth = _scsih_change_queue_depth,
5411 .change_queue_type = _scsih_change_queue_type,
5412 .eh_abort_handler = _scsih_abort,
5413 .eh_device_reset_handler = _scsih_dev_reset,
5414 .eh_target_reset_handler = _scsih_target_reset,
5415 .eh_host_reset_handler = _scsih_host_reset,
5416 .bios_param = _scsih_bios_param,
5419 .sg_tablesize = MPT2SAS_SG_DEPTH,
5420 .max_sectors = 8192,
5422 .use_clustering = ENABLE_CLUSTERING,
5423 .shost_attrs = mpt2sas_host_attrs,
5424 .sdev_attrs = mpt2sas_dev_attrs,
5428 * _scsih_expander_node_remove - removing expander device from list.
5429 * @ioc: per adapter object
5430 * @sas_expander: the sas_device object
5431 * Context: Calling function should acquire ioc->sas_node_lock.
5433 * Removing object and freeing associated memory from the
5434 * ioc->sas_expander_list.
5439 _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc,
5440 struct _sas_node *sas_expander)
5442 struct _sas_port *mpt2sas_port;
5443 struct _sas_device *sas_device;
5444 struct _sas_node *expander_sibling;
5445 unsigned long flags;
5450 /* remove sibling ports attached to this expander */
5451 retry_device_search:
5452 list_for_each_entry(mpt2sas_port,
5453 &sas_expander->sas_port_list, port_list) {
5454 if (mpt2sas_port->remote_identify.device_type ==
5456 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5458 mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
5459 mpt2sas_port->remote_identify.sas_address);
5460 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5463 _scsih_remove_device(ioc, sas_device->handle);
5464 goto retry_device_search;
5468 retry_expander_search:
5469 list_for_each_entry(mpt2sas_port,
5470 &sas_expander->sas_port_list, port_list) {
5472 if (mpt2sas_port->remote_identify.device_type ==
5473 MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER ||
5474 mpt2sas_port->remote_identify.device_type ==
5475 MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER) {
5477 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5479 mpt2sas_scsih_expander_find_by_sas_address(
5480 ioc, mpt2sas_port->remote_identify.sas_address);
5481 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5482 if (!expander_sibling)
5484 _scsih_expander_remove(ioc, expander_sibling->handle);
5485 goto retry_expander_search;
5489 mpt2sas_transport_port_remove(ioc, sas_expander->sas_address,
5490 sas_expander->parent_handle);
5492 printk(MPT2SAS_INFO_FMT "expander_remove: handle"
5493 "(0x%04x), sas_addr(0x%016llx)\n", ioc->name,
5494 sas_expander->handle, (unsigned long long)
5495 sas_expander->sas_address);
5497 list_del(&sas_expander->list);
5498 kfree(sas_expander->phy);
5499 kfree(sas_expander);
5503 * _scsih_remove - detach and remove add host
5504 * @pdev: PCI device struct
5508 static void __devexit
5509 _scsih_remove(struct pci_dev *pdev)
5511 struct Scsi_Host *shost = pci_get_drvdata(pdev);
5512 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
5513 struct _sas_port *mpt2sas_port;
5514 struct _sas_device *sas_device;
5515 struct _sas_node *expander_sibling;
5516 struct workqueue_struct *wq;
5517 unsigned long flags;
5519 ioc->remove_host = 1;
5520 _scsih_fw_event_off(ioc);
5522 spin_lock_irqsave(&ioc->fw_event_lock, flags);
5523 wq = ioc->firmware_event_thread;
5524 ioc->firmware_event_thread = NULL;
5525 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
5527 destroy_workqueue(wq);
5529 /* free ports attached to the sas_host */
5531 list_for_each_entry(mpt2sas_port,
5532 &ioc->sas_hba.sas_port_list, port_list) {
5533 if (mpt2sas_port->remote_identify.device_type ==
5536 mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
5537 mpt2sas_port->remote_identify.sas_address);
5539 _scsih_remove_device(ioc, sas_device->handle);
5544 mpt2sas_scsih_expander_find_by_sas_address(ioc,
5545 mpt2sas_port->remote_identify.sas_address);
5546 if (expander_sibling) {
5547 _scsih_expander_remove(ioc,
5548 expander_sibling->handle);
5554 /* free phys attached to the sas_host */
5555 if (ioc->sas_hba.num_phys) {
5556 kfree(ioc->sas_hba.phy);
5557 ioc->sas_hba.phy = NULL;
5558 ioc->sas_hba.num_phys = 0;
5561 sas_remove_host(shost);
5562 mpt2sas_base_detach(ioc);
5563 list_del(&ioc->list);
5564 scsi_remove_host(shost);
5565 scsi_host_put(shost);
5569 * _scsih_probe_boot_devices - reports 1st device
5570 * @ioc: per adapter object
5572 * If specified in bios page 2, this routine reports the 1st
5573 * device scsi-ml or sas transport for persistent boot device
5574 * purposes. Please refer to function _scsih_determine_boot_device()
5577 _scsih_probe_boot_devices(struct MPT2SAS_ADAPTER *ioc)
5581 struct _sas_device *sas_device;
5582 struct _raid_device *raid_device;
5583 u16 handle, parent_handle;
5585 unsigned long flags;
5589 if (ioc->req_boot_device.device) {
5590 device = ioc->req_boot_device.device;
5591 is_raid = ioc->req_boot_device.is_raid;
5592 } else if (ioc->req_alt_boot_device.device) {
5593 device = ioc->req_alt_boot_device.device;
5594 is_raid = ioc->req_alt_boot_device.is_raid;
5595 } else if (ioc->current_boot_device.device) {
5596 device = ioc->current_boot_device.device;
5597 is_raid = ioc->current_boot_device.is_raid;
5604 raid_device = device;
5605 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
5606 raid_device->id, 0);
5608 _scsih_raid_device_remove(ioc, raid_device);
5610 sas_device = device;
5611 handle = sas_device->handle;
5612 parent_handle = sas_device->parent_handle;
5613 sas_address = sas_device->sas_address;
5614 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5615 list_move_tail(&sas_device->list, &ioc->sas_device_list);
5616 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5617 if (!mpt2sas_transport_port_add(ioc, sas_device->handle,
5618 sas_device->parent_handle)) {
5619 _scsih_sas_device_remove(ioc, sas_device);
5620 } else if (!sas_device->starget) {
5621 mpt2sas_transport_port_remove(ioc, sas_address,
5623 _scsih_sas_device_remove(ioc, sas_device);
5629 * _scsih_probe_raid - reporting raid volumes to scsi-ml
5630 * @ioc: per adapter object
5632 * Called during initial loading of the driver.
5635 _scsih_probe_raid(struct MPT2SAS_ADAPTER *ioc)
5637 struct _raid_device *raid_device, *raid_next;
5640 list_for_each_entry_safe(raid_device, raid_next,
5641 &ioc->raid_device_list, list) {
5642 if (raid_device->starget)
5644 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
5645 raid_device->id, 0);
5647 _scsih_raid_device_remove(ioc, raid_device);
5652 * _scsih_probe_sas - reporting raid volumes to sas transport
5653 * @ioc: per adapter object
5655 * Called during initial loading of the driver.
5658 _scsih_probe_sas(struct MPT2SAS_ADAPTER *ioc)
5660 struct _sas_device *sas_device, *next;
5661 unsigned long flags;
5662 u16 handle, parent_handle;
5665 /* SAS Device List */
5666 list_for_each_entry_safe(sas_device, next, &ioc->sas_device_init_list,
5668 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5669 list_move_tail(&sas_device->list, &ioc->sas_device_list);
5670 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5672 handle = sas_device->handle;
5673 parent_handle = sas_device->parent_handle;
5674 sas_address = sas_device->sas_address;
5675 if (!mpt2sas_transport_port_add(ioc, handle, parent_handle)) {
5676 _scsih_sas_device_remove(ioc, sas_device);
5677 } else if (!sas_device->starget) {
5678 mpt2sas_transport_port_remove(ioc, sas_address,
5680 _scsih_sas_device_remove(ioc, sas_device);
5686 * _scsih_probe_devices - probing for devices
5687 * @ioc: per adapter object
5689 * Called during initial loading of the driver.
5692 _scsih_probe_devices(struct MPT2SAS_ADAPTER *ioc)
5694 u16 volume_mapping_flags =
5695 le16_to_cpu(ioc->ioc_pg8.IRVolumeMappingFlags) &
5696 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
5698 if (!(ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR))
5699 return; /* return when IOC doesn't support initiator mode */
5701 _scsih_probe_boot_devices(ioc);
5703 if (ioc->ir_firmware) {
5704 if ((volume_mapping_flags &
5705 MPI2_IOCPAGE8_IRFLAGS_HIGH_VOLUME_MAPPING)) {
5706 _scsih_probe_sas(ioc);
5707 _scsih_probe_raid(ioc);
5709 _scsih_probe_raid(ioc);
5710 _scsih_probe_sas(ioc);
5713 _scsih_probe_sas(ioc);
5717 * _scsih_probe - attach and add scsi host
5718 * @pdev: PCI device struct
5719 * @id: pci device id
5721 * Returns 0 success, anything else error.
5724 _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
5726 struct MPT2SAS_ADAPTER *ioc;
5727 struct Scsi_Host *shost;
5729 shost = scsi_host_alloc(&scsih_driver_template,
5730 sizeof(struct MPT2SAS_ADAPTER));
5734 /* init local params */
5735 ioc = shost_priv(shost);
5736 memset(ioc, 0, sizeof(struct MPT2SAS_ADAPTER));
5737 INIT_LIST_HEAD(&ioc->list);
5738 list_add_tail(&ioc->list, &mpt2sas_ioc_list);
5740 ioc->id = mpt_ids++;
5741 sprintf(ioc->name, "%s%d", MPT2SAS_DRIVER_NAME, ioc->id);
5743 ioc->scsi_io_cb_idx = scsi_io_cb_idx;
5744 ioc->tm_cb_idx = tm_cb_idx;
5745 ioc->ctl_cb_idx = ctl_cb_idx;
5746 ioc->base_cb_idx = base_cb_idx;
5747 ioc->transport_cb_idx = transport_cb_idx;
5748 ioc->config_cb_idx = config_cb_idx;
5749 ioc->logging_level = logging_level;
5750 /* misc semaphores and spin locks */
5751 spin_lock_init(&ioc->ioc_reset_in_progress_lock);
5752 spin_lock_init(&ioc->scsi_lookup_lock);
5753 spin_lock_init(&ioc->sas_device_lock);
5754 spin_lock_init(&ioc->sas_node_lock);
5755 spin_lock_init(&ioc->fw_event_lock);
5756 spin_lock_init(&ioc->raid_device_lock);
5758 INIT_LIST_HEAD(&ioc->sas_device_list);
5759 INIT_LIST_HEAD(&ioc->sas_device_init_list);
5760 INIT_LIST_HEAD(&ioc->sas_expander_list);
5761 INIT_LIST_HEAD(&ioc->fw_event_list);
5762 INIT_LIST_HEAD(&ioc->raid_device_list);
5763 INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list);
5765 /* init shost parameters */
5766 shost->max_cmd_len = 16;
5767 shost->max_lun = max_lun;
5768 shost->transportt = mpt2sas_transport_template;
5769 shost->unique_id = ioc->id;
5771 if ((scsi_add_host(shost, &pdev->dev))) {
5772 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5773 ioc->name, __FILE__, __LINE__, __func__);
5774 list_del(&ioc->list);
5775 goto out_add_shost_fail;
5778 scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION
5779 | SHOST_DIF_TYPE3_PROTECTION);
5782 snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name),
5783 "fw_event%d", ioc->id);
5784 ioc->firmware_event_thread = create_singlethread_workqueue(
5785 ioc->firmware_event_name);
5786 if (!ioc->firmware_event_thread) {
5787 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5788 ioc->name, __FILE__, __LINE__, __func__);
5789 goto out_thread_fail;
5792 ioc->wait_for_port_enable_to_complete = 1;
5793 if ((mpt2sas_base_attach(ioc))) {
5794 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5795 ioc->name, __FILE__, __LINE__, __func__);
5796 goto out_attach_fail;
5799 ioc->wait_for_port_enable_to_complete = 0;
5800 _scsih_probe_devices(ioc);
5804 destroy_workqueue(ioc->firmware_event_thread);
5806 list_del(&ioc->list);
5807 scsi_remove_host(shost);
5814 * _scsih_suspend - power management suspend main entry point
5815 * @pdev: PCI device struct
5816 * @state: PM state change to (usually PCI_D3)
5818 * Returns 0 success, anything else error.
5821 _scsih_suspend(struct pci_dev *pdev, pm_message_t state)
5823 struct Scsi_Host *shost = pci_get_drvdata(pdev);
5824 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
5827 mpt2sas_base_stop_watchdog(ioc);
5828 flush_scheduled_work();
5829 scsi_block_requests(shost);
5830 device_state = pci_choose_state(pdev, state);
5831 printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, entering "
5832 "operating state [D%d]\n", ioc->name, pdev,
5833 pci_name(pdev), device_state);
5835 mpt2sas_base_free_resources(ioc);
5836 pci_save_state(pdev);
5837 pci_disable_device(pdev);
5838 pci_set_power_state(pdev, device_state);
5843 * _scsih_resume - power management resume main entry point
5844 * @pdev: PCI device struct
5846 * Returns 0 success, anything else error.
5849 _scsih_resume(struct pci_dev *pdev)
5851 struct Scsi_Host *shost = pci_get_drvdata(pdev);
5852 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
5853 u32 device_state = pdev->current_state;
5856 printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, previous "
5857 "operating state [D%d]\n", ioc->name, pdev,
5858 pci_name(pdev), device_state);
5860 pci_set_power_state(pdev, PCI_D0);
5861 pci_enable_wake(pdev, PCI_D0, 0);
5862 pci_restore_state(pdev);
5864 r = mpt2sas_base_map_resources(ioc);
5868 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, SOFT_RESET);
5869 scsi_unblock_requests(shost);
5870 mpt2sas_base_start_watchdog(ioc);
5873 #endif /* CONFIG_PM */
5876 static struct pci_driver scsih_driver = {
5877 .name = MPT2SAS_DRIVER_NAME,
5878 .id_table = scsih_pci_table,
5879 .probe = _scsih_probe,
5880 .remove = __devexit_p(_scsih_remove),
5882 .suspend = _scsih_suspend,
5883 .resume = _scsih_resume,
5889 * _scsih_init - main entry point for this driver.
5891 * Returns 0 success, anything else error.
5899 printk(KERN_INFO "%s version %s loaded\n", MPT2SAS_DRIVER_NAME,
5900 MPT2SAS_DRIVER_VERSION);
5902 mpt2sas_transport_template =
5903 sas_attach_transport(&mpt2sas_transport_functions);
5904 if (!mpt2sas_transport_template)
5907 mpt2sas_base_initialize_callback_handler();
5909 /* queuecommand callback hander */
5910 scsi_io_cb_idx = mpt2sas_base_register_callback_handler(_scsih_io_done);
5912 /* task managment callback handler */
5913 tm_cb_idx = mpt2sas_base_register_callback_handler(_scsih_tm_done);
5915 /* base internal commands callback handler */
5916 base_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_base_done);
5918 /* transport internal commands callback handler */
5919 transport_cb_idx = mpt2sas_base_register_callback_handler(
5920 mpt2sas_transport_done);
5922 /* configuration page API internal commands callback handler */
5923 config_cb_idx = mpt2sas_base_register_callback_handler(
5924 mpt2sas_config_done);
5926 /* ctl module callback handler */
5927 ctl_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_ctl_done);
5931 error = pci_register_driver(&scsih_driver);
5933 sas_release_transport(mpt2sas_transport_template);
5939 * _scsih_exit - exit point for this driver (when it is a module).
5941 * Returns 0 success, anything else error.
5946 printk(KERN_INFO "mpt2sas version %s unloading\n",
5947 MPT2SAS_DRIVER_VERSION);
5949 pci_unregister_driver(&scsih_driver);
5951 sas_release_transport(mpt2sas_transport_template);
5952 mpt2sas_base_release_callback_handler(scsi_io_cb_idx);
5953 mpt2sas_base_release_callback_handler(tm_cb_idx);
5954 mpt2sas_base_release_callback_handler(base_cb_idx);
5955 mpt2sas_base_release_callback_handler(transport_cb_idx);
5956 mpt2sas_base_release_callback_handler(config_cb_idx);
5957 mpt2sas_base_release_callback_handler(ctl_cb_idx);
5962 module_init(_scsih_init);
5963 module_exit(_scsih_exit);