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) 2007-2009 LSI Corporation
6 * (mailto:DL-MPTFusionLinux@lsi.com)
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version 2
11 * of the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
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21 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
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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 static u8 tm_tr_cb_idx = -1 ;
83 static u8 tm_sas_control_cb_idx = -1;
85 /* command line options */
86 static u32 logging_level;
87 MODULE_PARM_DESC(logging_level, " bits for enabling additional logging info "
90 /* scsi-mid layer global parmeter is max_report_luns, which is 511 */
91 #define MPT2SAS_MAX_LUN (16895)
92 static int max_lun = MPT2SAS_MAX_LUN;
93 module_param(max_lun, int, 0);
94 MODULE_PARM_DESC(max_lun, " max lun, default=16895 ");
97 * struct sense_info - common structure for obtaining sense keys
99 * @asc: additional sense code
100 * @ascq: additional sense code qualifier
110 * struct fw_event_work - firmware event struct
111 * @list: link list framework
112 * @work: work object (ioc->fault_reset_work_q)
113 * @ioc: per adapter object
114 * @VF_ID: virtual function id
115 * @VP_ID: virtual port id
116 * @host_reset_handling: handling events during host reset
117 * @ignore: flag meaning this event has been marked to ignore
118 * @event: firmware event MPI2_EVENT_XXX defined in mpt2_ioc.h
119 * @event_data: reply event data payload follows
121 * This object stored on ioc->fw_event_list.
123 struct fw_event_work {
124 struct list_head list;
125 struct work_struct work;
126 struct MPT2SAS_ADAPTER *ioc;
129 u8 host_reset_handling;
136 * struct _scsi_io_transfer - scsi io transfer
137 * @handle: sas device handle (assigned by firmware)
138 * @is_raid: flag set for hidden raid components
139 * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE,
140 * @data_length: data transfer length
141 * @data_dma: dma pointer to data
144 * @cdb_length: cdb length
146 * @timeout: timeout for this command
147 * @VF_ID: virtual function id
148 * @VP_ID: virtual port id
149 * @valid_reply: flag set for reply message
150 * @sense_length: sense length
151 * @ioc_status: ioc status
152 * @scsi_state: scsi state
153 * @scsi_status: scsi staus
154 * @log_info: log information
155 * @transfer_length: data length transfer when there is a reply message
157 * Used for sending internal scsi commands to devices within this module.
158 * Refer to _scsi_send_scsi_io().
160 struct _scsi_io_transfer {
163 enum dma_data_direction dir;
166 u8 sense[SCSI_SENSE_BUFFERSIZE];
174 /* the following bits are only valid when 'valid_reply = 1' */
184 * The pci device ids are defined in mpi/mpi2_cnfg.h.
186 static struct pci_device_id scsih_pci_table[] = {
187 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004,
188 PCI_ANY_ID, PCI_ANY_ID },
190 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008,
191 PCI_ANY_ID, PCI_ANY_ID },
192 /* Liberator ~ 2108 */
193 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1,
194 PCI_ANY_ID, PCI_ANY_ID },
195 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2,
196 PCI_ANY_ID, PCI_ANY_ID },
197 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3,
198 PCI_ANY_ID, PCI_ANY_ID },
200 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1,
201 PCI_ANY_ID, PCI_ANY_ID },
202 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2,
203 PCI_ANY_ID, PCI_ANY_ID },
204 /* Thunderbolt ~ 2208 */
205 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1,
206 PCI_ANY_ID, PCI_ANY_ID },
207 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_2,
208 PCI_ANY_ID, PCI_ANY_ID },
209 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_3,
210 PCI_ANY_ID, PCI_ANY_ID },
211 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_4,
212 PCI_ANY_ID, PCI_ANY_ID },
213 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_5,
214 PCI_ANY_ID, PCI_ANY_ID },
215 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6,
216 PCI_ANY_ID, PCI_ANY_ID },
217 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_7,
218 PCI_ANY_ID, PCI_ANY_ID },
219 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_8,
220 PCI_ANY_ID, PCI_ANY_ID },
221 {0} /* Terminating entry */
223 MODULE_DEVICE_TABLE(pci, scsih_pci_table);
226 * _scsih_set_debug_level - global setting of ioc->logging_level.
228 * Note: The logging levels are defined in mpt2sas_debug.h.
231 _scsih_set_debug_level(const char *val, struct kernel_param *kp)
233 int ret = param_set_int(val, kp);
234 struct MPT2SAS_ADAPTER *ioc;
239 printk(KERN_INFO "setting logging_level(0x%08x)\n", logging_level);
240 list_for_each_entry(ioc, &mpt2sas_ioc_list, list)
241 ioc->logging_level = logging_level;
244 module_param_call(logging_level, _scsih_set_debug_level, param_get_int,
245 &logging_level, 0644);
248 * _scsih_srch_boot_sas_address - search based on sas_address
249 * @sas_address: sas address
250 * @boot_device: boot device object from bios page 2
252 * Returns 1 when there's a match, 0 means no match.
255 _scsih_srch_boot_sas_address(u64 sas_address,
256 Mpi2BootDeviceSasWwid_t *boot_device)
258 return (sas_address == le64_to_cpu(boot_device->SASAddress)) ? 1 : 0;
262 * _scsih_srch_boot_device_name - search based on device name
263 * @device_name: device name specified in INDENTIFY fram
264 * @boot_device: boot device object from bios page 2
266 * Returns 1 when there's a match, 0 means no match.
269 _scsih_srch_boot_device_name(u64 device_name,
270 Mpi2BootDeviceDeviceName_t *boot_device)
272 return (device_name == le64_to_cpu(boot_device->DeviceName)) ? 1 : 0;
276 * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot
277 * @enclosure_logical_id: enclosure logical id
278 * @slot_number: slot number
279 * @boot_device: boot device object from bios page 2
281 * Returns 1 when there's a match, 0 means no match.
284 _scsih_srch_boot_encl_slot(u64 enclosure_logical_id, u16 slot_number,
285 Mpi2BootDeviceEnclosureSlot_t *boot_device)
287 return (enclosure_logical_id == le64_to_cpu(boot_device->
288 EnclosureLogicalID) && slot_number == le16_to_cpu(boot_device->
289 SlotNumber)) ? 1 : 0;
293 * _scsih_is_boot_device - search for matching boot device.
294 * @sas_address: sas address
295 * @device_name: device name specified in INDENTIFY fram
296 * @enclosure_logical_id: enclosure logical id
297 * @slot_number: slot number
298 * @form: specifies boot device form
299 * @boot_device: boot device object from bios page 2
301 * Returns 1 when there's a match, 0 means no match.
304 _scsih_is_boot_device(u64 sas_address, u64 device_name,
305 u64 enclosure_logical_id, u16 slot, u8 form,
306 Mpi2BiosPage2BootDevice_t *boot_device)
311 case MPI2_BIOSPAGE2_FORM_SAS_WWID:
314 rc = _scsih_srch_boot_sas_address(
315 sas_address, &boot_device->SasWwid);
317 case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT:
318 if (!enclosure_logical_id)
320 rc = _scsih_srch_boot_encl_slot(
321 enclosure_logical_id,
322 slot, &boot_device->EnclosureSlot);
324 case MPI2_BIOSPAGE2_FORM_DEVICE_NAME:
327 rc = _scsih_srch_boot_device_name(
328 device_name, &boot_device->DeviceName);
330 case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED:
338 * _scsih_get_sas_address - set the sas_address for given device handle
339 * @handle: device handle
340 * @sas_address: sas address
342 * Returns 0 success, non-zero when failure
345 _scsih_get_sas_address(struct MPT2SAS_ADAPTER *ioc, u16 handle,
348 Mpi2SasDevicePage0_t sas_device_pg0;
349 Mpi2ConfigReply_t mpi_reply;
352 if (handle <= ioc->sas_hba.num_phys) {
353 *sas_address = ioc->sas_hba.sas_address;
358 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
359 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
360 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
361 ioc->name, __FILE__, __LINE__, __func__);
365 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
367 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
368 printk(MPT2SAS_ERR_FMT "handle(0x%04x), ioc_status(0x%04x)"
369 "\nfailure at %s:%d/%s()!\n", ioc->name, handle, ioc_status,
370 __FILE__, __LINE__, __func__);
374 *sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
379 * _scsih_determine_boot_device - determine boot device.
380 * @ioc: per adapter object
381 * @device: either sas_device or raid_device object
382 * @is_raid: [flag] 1 = raid object, 0 = sas object
384 * Determines whether this device should be first reported device to
385 * to scsi-ml or sas transport, this purpose is for persistant boot device.
386 * There are primary, alternate, and current entries in bios page 2. The order
387 * priority is primary, alternate, then current. This routine saves
388 * the corresponding device object and is_raid flag in the ioc object.
389 * The saved data to be used later in _scsih_probe_boot_devices().
392 _scsih_determine_boot_device(struct MPT2SAS_ADAPTER *ioc,
393 void *device, u8 is_raid)
395 struct _sas_device *sas_device;
396 struct _raid_device *raid_device;
399 u64 enclosure_logical_id;
402 /* only process this function when driver loads */
403 if (!ioc->wait_for_port_enable_to_complete)
408 sas_address = sas_device->sas_address;
409 device_name = sas_device->device_name;
410 enclosure_logical_id = sas_device->enclosure_logical_id;
411 slot = sas_device->slot;
413 raid_device = device;
414 sas_address = raid_device->wwid;
416 enclosure_logical_id = 0;
420 if (!ioc->req_boot_device.device) {
421 if (_scsih_is_boot_device(sas_address, device_name,
422 enclosure_logical_id, slot,
423 (ioc->bios_pg2.ReqBootDeviceForm &
424 MPI2_BIOSPAGE2_FORM_MASK),
425 &ioc->bios_pg2.RequestedBootDevice)) {
426 dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT
427 "%s: req_boot_device(0x%016llx)\n",
429 (unsigned long long)sas_address));
430 ioc->req_boot_device.device = device;
431 ioc->req_boot_device.is_raid = is_raid;
435 if (!ioc->req_alt_boot_device.device) {
436 if (_scsih_is_boot_device(sas_address, device_name,
437 enclosure_logical_id, slot,
438 (ioc->bios_pg2.ReqAltBootDeviceForm &
439 MPI2_BIOSPAGE2_FORM_MASK),
440 &ioc->bios_pg2.RequestedAltBootDevice)) {
441 dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT
442 "%s: req_alt_boot_device(0x%016llx)\n",
444 (unsigned long long)sas_address));
445 ioc->req_alt_boot_device.device = device;
446 ioc->req_alt_boot_device.is_raid = is_raid;
450 if (!ioc->current_boot_device.device) {
451 if (_scsih_is_boot_device(sas_address, device_name,
452 enclosure_logical_id, slot,
453 (ioc->bios_pg2.CurrentBootDeviceForm &
454 MPI2_BIOSPAGE2_FORM_MASK),
455 &ioc->bios_pg2.CurrentBootDevice)) {
456 dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT
457 "%s: current_boot_device(0x%016llx)\n",
459 (unsigned long long)sas_address));
460 ioc->current_boot_device.device = device;
461 ioc->current_boot_device.is_raid = is_raid;
467 * mpt2sas_scsih_sas_device_find_by_sas_address - sas device search
468 * @ioc: per adapter object
469 * @sas_address: sas address
470 * Context: Calling function should acquire ioc->sas_device_lock
472 * This searches for sas_device based on sas_address, then return sas_device
476 mpt2sas_scsih_sas_device_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
479 struct _sas_device *sas_device, *r;
482 /* check the sas_device_init_list */
483 list_for_each_entry(sas_device, &ioc->sas_device_init_list,
485 if (sas_device->sas_address != sas_address)
491 /* then check the sas_device_list */
492 list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
493 if (sas_device->sas_address != sas_address)
503 * _scsih_sas_device_find_by_handle - sas device search
504 * @ioc: per adapter object
505 * @handle: sas device handle (assigned by firmware)
506 * Context: Calling function should acquire ioc->sas_device_lock
508 * This searches for sas_device based on sas_address, then return sas_device
511 static struct _sas_device *
512 _scsih_sas_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
514 struct _sas_device *sas_device, *r;
517 if (ioc->wait_for_port_enable_to_complete) {
518 list_for_each_entry(sas_device, &ioc->sas_device_init_list,
520 if (sas_device->handle != handle)
526 list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
527 if (sas_device->handle != handle)
539 * _scsih_sas_device_remove - remove sas_device from list.
540 * @ioc: per adapter object
541 * @sas_device: the sas_device object
542 * Context: This function will acquire ioc->sas_device_lock.
544 * Removing object and freeing associated memory from the ioc->sas_device_list.
547 _scsih_sas_device_remove(struct MPT2SAS_ADAPTER *ioc,
548 struct _sas_device *sas_device)
552 spin_lock_irqsave(&ioc->sas_device_lock, flags);
553 list_del(&sas_device->list);
554 memset(sas_device, 0, sizeof(struct _sas_device));
556 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
560 * _scsih_sas_device_add - insert sas_device to the list.
561 * @ioc: per adapter object
562 * @sas_device: the sas_device object
563 * Context: This function will acquire ioc->sas_device_lock.
565 * Adding new object to the ioc->sas_device_list.
568 _scsih_sas_device_add(struct MPT2SAS_ADAPTER *ioc,
569 struct _sas_device *sas_device)
573 dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle"
574 "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
575 sas_device->handle, (unsigned long long)sas_device->sas_address));
577 spin_lock_irqsave(&ioc->sas_device_lock, flags);
578 list_add_tail(&sas_device->list, &ioc->sas_device_list);
579 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
581 if (!mpt2sas_transport_port_add(ioc, sas_device->handle,
582 sas_device->sas_address_parent))
583 _scsih_sas_device_remove(ioc, sas_device);
587 * _scsih_sas_device_init_add - insert sas_device to the list.
588 * @ioc: per adapter object
589 * @sas_device: the sas_device object
590 * Context: This function will acquire ioc->sas_device_lock.
592 * Adding new object at driver load time to the ioc->sas_device_init_list.
595 _scsih_sas_device_init_add(struct MPT2SAS_ADAPTER *ioc,
596 struct _sas_device *sas_device)
600 dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle"
601 "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
602 sas_device->handle, (unsigned long long)sas_device->sas_address));
604 spin_lock_irqsave(&ioc->sas_device_lock, flags);
605 list_add_tail(&sas_device->list, &ioc->sas_device_init_list);
606 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
607 _scsih_determine_boot_device(ioc, sas_device, 0);
611 * _scsih_raid_device_find_by_id - raid device search
612 * @ioc: per adapter object
613 * @id: sas device target id
614 * @channel: sas device channel
615 * Context: Calling function should acquire ioc->raid_device_lock
617 * This searches for raid_device based on target id, then return raid_device
620 static struct _raid_device *
621 _scsih_raid_device_find_by_id(struct MPT2SAS_ADAPTER *ioc, int id, int channel)
623 struct _raid_device *raid_device, *r;
626 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
627 if (raid_device->id == id && raid_device->channel == channel) {
638 * _scsih_raid_device_find_by_handle - raid device search
639 * @ioc: per adapter object
640 * @handle: sas device handle (assigned by firmware)
641 * Context: Calling function should acquire ioc->raid_device_lock
643 * This searches for raid_device based on handle, then return raid_device
646 static struct _raid_device *
647 _scsih_raid_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
649 struct _raid_device *raid_device, *r;
652 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
653 if (raid_device->handle != handle)
664 * _scsih_raid_device_find_by_wwid - raid device search
665 * @ioc: per adapter object
666 * @handle: sas device handle (assigned by firmware)
667 * Context: Calling function should acquire ioc->raid_device_lock
669 * This searches for raid_device based on wwid, then return raid_device
672 static struct _raid_device *
673 _scsih_raid_device_find_by_wwid(struct MPT2SAS_ADAPTER *ioc, u64 wwid)
675 struct _raid_device *raid_device, *r;
678 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
679 if (raid_device->wwid != wwid)
690 * _scsih_raid_device_add - add raid_device object
691 * @ioc: per adapter object
692 * @raid_device: raid_device object
694 * This is added to the raid_device_list link list.
697 _scsih_raid_device_add(struct MPT2SAS_ADAPTER *ioc,
698 struct _raid_device *raid_device)
702 dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle"
703 "(0x%04x), wwid(0x%016llx)\n", ioc->name, __func__,
704 raid_device->handle, (unsigned long long)raid_device->wwid));
706 spin_lock_irqsave(&ioc->raid_device_lock, flags);
707 list_add_tail(&raid_device->list, &ioc->raid_device_list);
708 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
712 * _scsih_raid_device_remove - delete raid_device object
713 * @ioc: per adapter object
714 * @raid_device: raid_device object
716 * This is removed from the raid_device_list link list.
719 _scsih_raid_device_remove(struct MPT2SAS_ADAPTER *ioc,
720 struct _raid_device *raid_device)
724 spin_lock_irqsave(&ioc->raid_device_lock, flags);
725 list_del(&raid_device->list);
726 memset(raid_device, 0, sizeof(struct _raid_device));
728 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
732 * mpt2sas_scsih_expander_find_by_handle - expander device search
733 * @ioc: per adapter object
734 * @handle: expander handle (assigned by firmware)
735 * Context: Calling function should acquire ioc->sas_device_lock
737 * This searches for expander device based on handle, then returns the
741 mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
743 struct _sas_node *sas_expander, *r;
746 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
747 if (sas_expander->handle != handle)
757 * mpt2sas_scsih_expander_find_by_sas_address - expander device search
758 * @ioc: per adapter object
759 * @sas_address: sas address
760 * Context: Calling function should acquire ioc->sas_node_lock.
762 * This searches for expander device based on sas_address, then returns the
766 mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
769 struct _sas_node *sas_expander, *r;
772 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
773 if (sas_expander->sas_address != sas_address)
783 * _scsih_expander_node_add - insert expander device to the list.
784 * @ioc: per adapter object
785 * @sas_expander: the sas_device object
786 * Context: This function will acquire ioc->sas_node_lock.
788 * Adding new object to the ioc->sas_expander_list.
793 _scsih_expander_node_add(struct MPT2SAS_ADAPTER *ioc,
794 struct _sas_node *sas_expander)
798 spin_lock_irqsave(&ioc->sas_node_lock, flags);
799 list_add_tail(&sas_expander->list, &ioc->sas_expander_list);
800 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
804 * _scsih_is_end_device - determines if device is an end device
805 * @device_info: bitfield providing information about the device.
808 * Returns 1 if end device.
811 _scsih_is_end_device(u32 device_info)
813 if (device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE &&
814 ((device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) |
815 (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) |
816 (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)))
823 * mptscsih_get_scsi_lookup - returns scmd entry
824 * @ioc: per adapter object
825 * @smid: system request message index
827 * Returns the smid stored scmd pointer.
829 static struct scsi_cmnd *
830 _scsih_scsi_lookup_get(struct MPT2SAS_ADAPTER *ioc, u16 smid)
832 return ioc->scsi_lookup[smid - 1].scmd;
836 * _scsih_scsi_lookup_find_by_scmd - scmd lookup
837 * @ioc: per adapter object
838 * @smid: system request message index
839 * @scmd: pointer to scsi command object
840 * Context: This function will acquire ioc->scsi_lookup_lock.
842 * This will search for a scmd pointer in the scsi_lookup array,
843 * returning the revelent smid. A returned value of zero means invalid.
846 _scsih_scsi_lookup_find_by_scmd(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd
853 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
855 for (i = 0; i < ioc->scsiio_depth; i++) {
856 if (ioc->scsi_lookup[i].scmd == scmd) {
857 smid = ioc->scsi_lookup[i].smid;
862 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
867 * _scsih_scsi_lookup_find_by_target - search for matching channel:id
868 * @ioc: per adapter object
871 * Context: This function will acquire ioc->scsi_lookup_lock.
873 * This will search for a matching channel:id in the scsi_lookup array,
874 * returning 1 if found.
877 _scsih_scsi_lookup_find_by_target(struct MPT2SAS_ADAPTER *ioc, int id,
884 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
886 for (i = 0 ; i < ioc->scsiio_depth; i++) {
887 if (ioc->scsi_lookup[i].scmd &&
888 (ioc->scsi_lookup[i].scmd->device->id == id &&
889 ioc->scsi_lookup[i].scmd->device->channel == channel)) {
895 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
900 * _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun
901 * @ioc: per adapter object
905 * Context: This function will acquire ioc->scsi_lookup_lock.
907 * This will search for a matching channel:id:lun in the scsi_lookup array,
908 * returning 1 if found.
911 _scsih_scsi_lookup_find_by_lun(struct MPT2SAS_ADAPTER *ioc, int id,
912 unsigned int lun, int channel)
918 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
920 for (i = 0 ; i < ioc->scsiio_depth; i++) {
921 if (ioc->scsi_lookup[i].scmd &&
922 (ioc->scsi_lookup[i].scmd->device->id == id &&
923 ioc->scsi_lookup[i].scmd->device->channel == channel &&
924 ioc->scsi_lookup[i].scmd->device->lun == lun)) {
930 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
935 * _scsih_get_chain_buffer_dma - obtain block of chains (dma address)
936 * @ioc: per adapter object
937 * @smid: system request message index
939 * Returns phys pointer to chain buffer.
942 _scsih_get_chain_buffer_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid)
944 return ioc->chain_dma + ((smid - 1) * (ioc->request_sz *
945 ioc->chains_needed_per_io));
949 * _scsih_get_chain_buffer - obtain block of chains assigned to a mf request
950 * @ioc: per adapter object
951 * @smid: system request message index
953 * Returns virt pointer to chain buffer.
956 _scsih_get_chain_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid)
958 return (void *)(ioc->chain + ((smid - 1) * (ioc->request_sz *
959 ioc->chains_needed_per_io)));
963 * _scsih_build_scatter_gather - main sg creation routine
964 * @ioc: per adapter object
965 * @scmd: scsi command
966 * @smid: system request message index
969 * The main routine that builds scatter gather table from a given
970 * scsi request sent via the .queuecommand main handler.
972 * Returns 0 success, anything else error
975 _scsih_build_scatter_gather(struct MPT2SAS_ADAPTER *ioc,
976 struct scsi_cmnd *scmd, u16 smid)
978 Mpi2SCSIIORequest_t *mpi_request;
979 dma_addr_t chain_dma;
980 struct scatterlist *sg_scmd;
981 void *sg_local, *chain;
988 u32 sgl_flags_last_element;
989 u32 sgl_flags_end_buffer;
991 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
993 /* init scatter gather flags */
994 sgl_flags = MPI2_SGE_FLAGS_SIMPLE_ELEMENT;
995 if (scmd->sc_data_direction == DMA_TO_DEVICE)
996 sgl_flags |= MPI2_SGE_FLAGS_HOST_TO_IOC;
997 sgl_flags_last_element = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT)
998 << MPI2_SGE_FLAGS_SHIFT;
999 sgl_flags_end_buffer = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT |
1000 MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST)
1001 << MPI2_SGE_FLAGS_SHIFT;
1002 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
1004 sg_scmd = scsi_sglist(scmd);
1005 sges_left = scsi_dma_map(scmd);
1007 sdev_printk(KERN_ERR, scmd->device, "pci_map_sg"
1008 " failed: request for %d bytes!\n", scsi_bufflen(scmd));
1012 sg_local = &mpi_request->SGL;
1013 sges_in_segment = ioc->max_sges_in_main_message;
1014 if (sges_left <= sges_in_segment)
1015 goto fill_in_last_segment;
1017 mpi_request->ChainOffset = (offsetof(Mpi2SCSIIORequest_t, SGL) +
1018 (sges_in_segment * ioc->sge_size))/4;
1020 /* fill in main message segment when there is a chain following */
1021 while (sges_in_segment) {
1022 if (sges_in_segment == 1)
1023 ioc->base_add_sg_single(sg_local,
1024 sgl_flags_last_element | sg_dma_len(sg_scmd),
1025 sg_dma_address(sg_scmd));
1027 ioc->base_add_sg_single(sg_local, sgl_flags |
1028 sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
1029 sg_scmd = sg_next(sg_scmd);
1030 sg_local += ioc->sge_size;
1035 /* initializing the chain flags and pointers */
1036 chain_flags = MPI2_SGE_FLAGS_CHAIN_ELEMENT << MPI2_SGE_FLAGS_SHIFT;
1037 chain = _scsih_get_chain_buffer(ioc, smid);
1038 chain_dma = _scsih_get_chain_buffer_dma(ioc, smid);
1040 sges_in_segment = (sges_left <=
1041 ioc->max_sges_in_chain_message) ? sges_left :
1042 ioc->max_sges_in_chain_message;
1043 chain_offset = (sges_left == sges_in_segment) ?
1044 0 : (sges_in_segment * ioc->sge_size)/4;
1045 chain_length = sges_in_segment * ioc->sge_size;
1047 chain_offset = chain_offset <<
1048 MPI2_SGE_CHAIN_OFFSET_SHIFT;
1049 chain_length += ioc->sge_size;
1051 ioc->base_add_sg_single(sg_local, chain_flags | chain_offset |
1052 chain_length, chain_dma);
1055 goto fill_in_last_segment;
1057 /* fill in chain segments */
1058 while (sges_in_segment) {
1059 if (sges_in_segment == 1)
1060 ioc->base_add_sg_single(sg_local,
1061 sgl_flags_last_element |
1062 sg_dma_len(sg_scmd),
1063 sg_dma_address(sg_scmd));
1065 ioc->base_add_sg_single(sg_local, sgl_flags |
1066 sg_dma_len(sg_scmd),
1067 sg_dma_address(sg_scmd));
1068 sg_scmd = sg_next(sg_scmd);
1069 sg_local += ioc->sge_size;
1074 chain_dma += ioc->request_sz;
1075 chain += ioc->request_sz;
1079 fill_in_last_segment:
1081 /* fill the last segment */
1084 ioc->base_add_sg_single(sg_local, sgl_flags_end_buffer |
1085 sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
1087 ioc->base_add_sg_single(sg_local, sgl_flags |
1088 sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
1089 sg_scmd = sg_next(sg_scmd);
1090 sg_local += ioc->sge_size;
1098 * _scsih_change_queue_depth - setting device queue depth
1099 * @sdev: scsi device struct
1100 * @qdepth: requested queue depth
1102 * Returns queue depth.
1105 _scsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
1107 struct Scsi_Host *shost = sdev->host;
1110 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
1111 struct MPT2SAS_DEVICE *sas_device_priv_data;
1112 struct MPT2SAS_TARGET *sas_target_priv_data;
1113 struct _sas_device *sas_device;
1114 unsigned long flags;
1116 max_depth = shost->can_queue;
1118 /* limit max device queue for SATA to 32 */
1119 sas_device_priv_data = sdev->hostdata;
1120 if (!sas_device_priv_data)
1122 sas_target_priv_data = sas_device_priv_data->sas_target;
1123 if (!sas_target_priv_data)
1125 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))
1127 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1128 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
1129 sas_device_priv_data->sas_target->sas_address);
1130 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1131 if (sas_device && sas_device->device_info &
1132 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
1133 max_depth = MPT2SAS_SATA_QUEUE_DEPTH;
1137 if (!sdev->tagged_supported)
1139 if (qdepth > max_depth)
1141 tag_type = (qdepth == 1) ? 0 : MSG_SIMPLE_TAG;
1142 scsi_adjust_queue_depth(sdev, tag_type, qdepth);
1144 if (sdev->inquiry_len > 7)
1145 sdev_printk(KERN_INFO, sdev, "qdepth(%d), tagged(%d), "
1146 "simple(%d), ordered(%d), scsi_level(%d), cmd_que(%d)\n",
1147 sdev->queue_depth, sdev->tagged_supported, sdev->simple_tags,
1148 sdev->ordered_tags, sdev->scsi_level,
1149 (sdev->inquiry[7] & 2) >> 1);
1151 return sdev->queue_depth;
1155 * _scsih_change_queue_type - changing device queue tag type
1156 * @sdev: scsi device struct
1157 * @tag_type: requested tag type
1159 * Returns queue tag type.
1162 _scsih_change_queue_type(struct scsi_device *sdev, int tag_type)
1164 if (sdev->tagged_supported) {
1165 scsi_set_tag_type(sdev, tag_type);
1167 scsi_activate_tcq(sdev, sdev->queue_depth);
1169 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1177 * _scsih_target_alloc - target add routine
1178 * @starget: scsi target struct
1180 * Returns 0 if ok. Any other return is assumed to be an error and
1181 * the device is ignored.
1184 _scsih_target_alloc(struct scsi_target *starget)
1186 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
1187 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
1188 struct MPT2SAS_TARGET *sas_target_priv_data;
1189 struct _sas_device *sas_device;
1190 struct _raid_device *raid_device;
1191 unsigned long flags;
1192 struct sas_rphy *rphy;
1194 sas_target_priv_data = kzalloc(sizeof(struct scsi_target), GFP_KERNEL);
1195 if (!sas_target_priv_data)
1198 starget->hostdata = sas_target_priv_data;
1199 sas_target_priv_data->starget = starget;
1200 sas_target_priv_data->handle = MPT2SAS_INVALID_DEVICE_HANDLE;
1203 if (starget->channel == RAID_CHANNEL) {
1204 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1205 raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
1208 sas_target_priv_data->handle = raid_device->handle;
1209 sas_target_priv_data->sas_address = raid_device->wwid;
1210 sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME;
1211 raid_device->starget = starget;
1213 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1217 /* sas/sata devices */
1218 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1219 rphy = dev_to_rphy(starget->dev.parent);
1220 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
1221 rphy->identify.sas_address);
1224 sas_target_priv_data->handle = sas_device->handle;
1225 sas_target_priv_data->sas_address = sas_device->sas_address;
1226 sas_device->starget = starget;
1227 sas_device->id = starget->id;
1228 sas_device->channel = starget->channel;
1229 if (sas_device->hidden_raid_component)
1230 sas_target_priv_data->flags |=
1231 MPT_TARGET_FLAGS_RAID_COMPONENT;
1233 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1239 * _scsih_target_destroy - target destroy routine
1240 * @starget: scsi target struct
1245 _scsih_target_destroy(struct scsi_target *starget)
1247 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
1248 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
1249 struct MPT2SAS_TARGET *sas_target_priv_data;
1250 struct _sas_device *sas_device;
1251 struct _raid_device *raid_device;
1252 unsigned long flags;
1253 struct sas_rphy *rphy;
1255 sas_target_priv_data = starget->hostdata;
1256 if (!sas_target_priv_data)
1259 if (starget->channel == RAID_CHANNEL) {
1260 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1261 raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
1264 raid_device->starget = NULL;
1265 raid_device->sdev = NULL;
1267 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1271 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1272 rphy = dev_to_rphy(starget->dev.parent);
1273 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
1274 rphy->identify.sas_address);
1275 if (sas_device && (sas_device->starget == starget) &&
1276 (sas_device->id == starget->id) &&
1277 (sas_device->channel == starget->channel))
1278 sas_device->starget = NULL;
1280 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1283 kfree(sas_target_priv_data);
1284 starget->hostdata = NULL;
1288 * _scsih_slave_alloc - device add routine
1289 * @sdev: scsi device struct
1291 * Returns 0 if ok. Any other return is assumed to be an error and
1292 * the device is ignored.
1295 _scsih_slave_alloc(struct scsi_device *sdev)
1297 struct Scsi_Host *shost;
1298 struct MPT2SAS_ADAPTER *ioc;
1299 struct MPT2SAS_TARGET *sas_target_priv_data;
1300 struct MPT2SAS_DEVICE *sas_device_priv_data;
1301 struct scsi_target *starget;
1302 struct _raid_device *raid_device;
1303 struct _sas_device *sas_device;
1304 unsigned long flags;
1306 sas_device_priv_data = kzalloc(sizeof(struct scsi_device), GFP_KERNEL);
1307 if (!sas_device_priv_data)
1310 sas_device_priv_data->lun = sdev->lun;
1311 sas_device_priv_data->flags = MPT_DEVICE_FLAGS_INIT;
1313 starget = scsi_target(sdev);
1314 sas_target_priv_data = starget->hostdata;
1315 sas_target_priv_data->num_luns++;
1316 sas_device_priv_data->sas_target = sas_target_priv_data;
1317 sdev->hostdata = sas_device_priv_data;
1318 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT))
1319 sdev->no_uld_attach = 1;
1321 shost = dev_to_shost(&starget->dev);
1322 ioc = shost_priv(shost);
1323 if (starget->channel == RAID_CHANNEL) {
1324 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1325 raid_device = _scsih_raid_device_find_by_id(ioc,
1326 starget->id, starget->channel);
1328 raid_device->sdev = sdev; /* raid is single lun */
1329 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1331 /* set TLR bit for SSP devices */
1332 if (!(ioc->facts.IOCCapabilities &
1333 MPI2_IOCFACTS_CAPABILITY_TLR))
1335 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1336 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
1337 sas_device_priv_data->sas_target->sas_address);
1338 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1339 if (sas_device && sas_device->device_info &
1340 MPI2_SAS_DEVICE_INFO_SSP_TARGET)
1341 sas_device_priv_data->flags |= MPT_DEVICE_TLR_ON;
1349 * _scsih_slave_destroy - device destroy routine
1350 * @sdev: scsi device struct
1355 _scsih_slave_destroy(struct scsi_device *sdev)
1357 struct MPT2SAS_TARGET *sas_target_priv_data;
1358 struct scsi_target *starget;
1360 if (!sdev->hostdata)
1363 starget = scsi_target(sdev);
1364 sas_target_priv_data = starget->hostdata;
1365 sas_target_priv_data->num_luns--;
1366 kfree(sdev->hostdata);
1367 sdev->hostdata = NULL;
1371 * _scsih_display_sata_capabilities - sata capabilities
1372 * @ioc: per adapter object
1373 * @sas_device: the sas_device object
1374 * @sdev: scsi device struct
1377 _scsih_display_sata_capabilities(struct MPT2SAS_ADAPTER *ioc,
1378 struct _sas_device *sas_device, struct scsi_device *sdev)
1380 Mpi2ConfigReply_t mpi_reply;
1381 Mpi2SasDevicePage0_t sas_device_pg0;
1386 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
1387 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, sas_device->handle))) {
1388 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1389 ioc->name, __FILE__, __LINE__, __func__);
1393 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
1394 MPI2_IOCSTATUS_MASK;
1395 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
1396 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1397 ioc->name, __FILE__, __LINE__, __func__);
1401 flags = le16_to_cpu(sas_device_pg0.Flags);
1402 device_info = le16_to_cpu(sas_device_pg0.DeviceInfo);
1404 sdev_printk(KERN_INFO, sdev,
1405 "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), "
1406 "sw_preserve(%s)\n",
1407 (device_info & MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? "y" : "n",
1408 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED) ? "y" : "n",
1409 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY) ? "y" :
1411 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED) ? "y" : "n",
1412 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED) ? "y" : "n",
1413 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE) ? "y" : "n");
1417 * _scsih_get_volume_capabilities - volume capabilities
1418 * @ioc: per adapter object
1419 * @sas_device: the raid_device object
1422 _scsih_get_volume_capabilities(struct MPT2SAS_ADAPTER *ioc,
1423 struct _raid_device *raid_device)
1425 Mpi2RaidVolPage0_t *vol_pg0;
1426 Mpi2RaidPhysDiskPage0_t pd_pg0;
1427 Mpi2SasDevicePage0_t sas_device_pg0;
1428 Mpi2ConfigReply_t mpi_reply;
1432 if ((mpt2sas_config_get_number_pds(ioc, raid_device->handle,
1433 &num_pds)) || !num_pds) {
1434 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1435 ioc->name, __FILE__, __LINE__, __func__);
1439 raid_device->num_pds = num_pds;
1440 sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds *
1441 sizeof(Mpi2RaidVol0PhysDisk_t));
1442 vol_pg0 = kzalloc(sz, GFP_KERNEL);
1444 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1445 ioc->name, __FILE__, __LINE__, __func__);
1449 if ((mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0,
1450 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) {
1451 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1452 ioc->name, __FILE__, __LINE__, __func__);
1457 raid_device->volume_type = vol_pg0->VolumeType;
1459 /* figure out what the underlying devices are by
1460 * obtaining the device_info bits for the 1st device
1462 if (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
1463 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM,
1464 vol_pg0->PhysDisk[0].PhysDiskNum))) {
1465 if (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
1466 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
1467 le16_to_cpu(pd_pg0.DevHandle)))) {
1468 raid_device->device_info =
1469 le32_to_cpu(sas_device_pg0.DeviceInfo);
1477 * _scsih_slave_configure - device configure routine.
1478 * @sdev: scsi device struct
1480 * Returns 0 if ok. Any other return is assumed to be an error and
1481 * the device is ignored.
1484 _scsih_slave_configure(struct scsi_device *sdev)
1486 struct Scsi_Host *shost = sdev->host;
1487 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
1488 struct MPT2SAS_DEVICE *sas_device_priv_data;
1489 struct MPT2SAS_TARGET *sas_target_priv_data;
1490 struct _sas_device *sas_device;
1491 struct _raid_device *raid_device;
1492 unsigned long flags;
1499 sas_device_priv_data = sdev->hostdata;
1500 sas_device_priv_data->configured_lun = 1;
1501 sas_device_priv_data->flags &= ~MPT_DEVICE_FLAGS_INIT;
1502 sas_target_priv_data = sas_device_priv_data->sas_target;
1504 /* raid volume handling */
1505 if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME) {
1507 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1508 raid_device = _scsih_raid_device_find_by_handle(ioc,
1509 sas_target_priv_data->handle);
1510 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1512 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1513 ioc->name, __FILE__, __LINE__, __func__);
1517 _scsih_get_volume_capabilities(ioc, raid_device);
1519 /* RAID Queue Depth Support
1520 * IS volume = underlying qdepth of drive type, either
1521 * MPT2SAS_SAS_QUEUE_DEPTH or MPT2SAS_SATA_QUEUE_DEPTH
1522 * IM/IME/R10 = 128 (MPT2SAS_RAID_QUEUE_DEPTH)
1524 if (raid_device->device_info &
1525 MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
1526 qdepth = MPT2SAS_SAS_QUEUE_DEPTH;
1529 qdepth = MPT2SAS_SATA_QUEUE_DEPTH;
1530 if (raid_device->device_info &
1531 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
1537 switch (raid_device->volume_type) {
1538 case MPI2_RAID_VOL_TYPE_RAID0:
1541 case MPI2_RAID_VOL_TYPE_RAID1E:
1542 qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
1543 if (ioc->manu_pg10.OEMIdentifier &&
1544 (ioc->manu_pg10.GenericFlags0 &
1545 MFG10_GF0_R10_DISPLAY) &&
1546 !(raid_device->num_pds % 2))
1551 case MPI2_RAID_VOL_TYPE_RAID1:
1552 qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
1555 case MPI2_RAID_VOL_TYPE_RAID10:
1556 qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
1559 case MPI2_RAID_VOL_TYPE_UNKNOWN:
1561 qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
1566 sdev_printk(KERN_INFO, sdev, "%s: "
1567 "handle(0x%04x), wwid(0x%016llx), pd_count(%d), type(%s)\n",
1568 r_level, raid_device->handle,
1569 (unsigned long long)raid_device->wwid,
1570 raid_device->num_pds, ds);
1571 _scsih_change_queue_depth(sdev, qdepth);
1575 /* non-raid handling */
1576 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1577 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
1578 sas_device_priv_data->sas_target->sas_address);
1579 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1581 if (sas_target_priv_data->flags &
1582 MPT_TARGET_FLAGS_RAID_COMPONENT) {
1583 mpt2sas_config_get_volume_handle(ioc,
1584 sas_device->handle, &sas_device->volume_handle);
1585 mpt2sas_config_get_volume_wwid(ioc,
1586 sas_device->volume_handle,
1587 &sas_device->volume_wwid);
1589 if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
1590 qdepth = MPT2SAS_SAS_QUEUE_DEPTH;
1594 qdepth = MPT2SAS_SATA_QUEUE_DEPTH;
1595 if (sas_device->device_info &
1596 MPI2_SAS_DEVICE_INFO_STP_TARGET)
1598 else if (sas_device->device_info &
1599 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
1603 sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), "
1604 "sas_addr(0x%016llx), device_name(0x%016llx)\n",
1605 ds, sas_device->handle,
1606 (unsigned long long)sas_device->sas_address,
1607 (unsigned long long)sas_device->device_name);
1608 sdev_printk(KERN_INFO, sdev, "%s: "
1609 "enclosure_logical_id(0x%016llx), slot(%d)\n", ds,
1610 (unsigned long long) sas_device->enclosure_logical_id,
1614 _scsih_display_sata_capabilities(ioc, sas_device, sdev);
1617 _scsih_change_queue_depth(sdev, qdepth);
1620 sas_read_port_mode_page(sdev);
1625 * _scsih_bios_param - fetch head, sector, cylinder info for a disk
1626 * @sdev: scsi device struct
1627 * @bdev: pointer to block device context
1628 * @capacity: device size (in 512 byte sectors)
1629 * @params: three element array to place output:
1630 * params[0] number of heads (max 255)
1631 * params[1] number of sectors (max 63)
1632 * params[2] number of cylinders
1637 _scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev,
1638 sector_t capacity, int params[])
1648 dummy = heads * sectors;
1649 cylinders = capacity;
1650 sector_div(cylinders, dummy);
1653 * Handle extended translation size for logical drives
1656 if ((ulong)capacity >= 0x200000) {
1659 dummy = heads * sectors;
1660 cylinders = capacity;
1661 sector_div(cylinders, dummy);
1666 params[1] = sectors;
1667 params[2] = cylinders;
1673 * _scsih_response_code - translation of device response code
1674 * @ioc: per adapter object
1675 * @response_code: response code returned by the device
1680 _scsih_response_code(struct MPT2SAS_ADAPTER *ioc, u8 response_code)
1684 switch (response_code) {
1685 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE:
1686 desc = "task management request completed";
1688 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME:
1689 desc = "invalid frame";
1691 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
1692 desc = "task management request not supported";
1694 case MPI2_SCSITASKMGMT_RSP_TM_FAILED:
1695 desc = "task management request failed";
1697 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED:
1698 desc = "task management request succeeded";
1700 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN:
1701 desc = "invalid lun";
1704 desc = "overlapped tag attempted";
1706 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
1707 desc = "task queued, however not sent to target";
1713 printk(MPT2SAS_WARN_FMT "response_code(0x%01x): %s\n",
1714 ioc->name, response_code, desc);
1718 * _scsih_tm_done - tm completion routine
1719 * @ioc: per adapter object
1720 * @smid: system request message index
1721 * @msix_index: MSIX table index supplied by the OS
1722 * @reply: reply message frame(lower 32bit addr)
1725 * The callback handler when using scsih_issue_tm.
1727 * Return 1 meaning mf should be freed from _base_interrupt
1728 * 0 means the mf is freed from this function.
1731 _scsih_tm_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
1733 MPI2DefaultReply_t *mpi_reply;
1735 if (ioc->tm_cmds.status == MPT2_CMD_NOT_USED)
1737 if (ioc->tm_cmds.smid != smid)
1739 ioc->tm_cmds.status |= MPT2_CMD_COMPLETE;
1740 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
1742 memcpy(ioc->tm_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
1743 ioc->tm_cmds.status |= MPT2_CMD_REPLY_VALID;
1745 ioc->tm_cmds.status &= ~MPT2_CMD_PENDING;
1746 complete(&ioc->tm_cmds.done);
1751 * mpt2sas_scsih_set_tm_flag - set per target tm_busy
1752 * @ioc: per adapter object
1753 * @handle: device handle
1755 * During taskmangement request, we need to freeze the device queue.
1758 mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle)
1760 struct MPT2SAS_DEVICE *sas_device_priv_data;
1761 struct scsi_device *sdev;
1764 shost_for_each_device(sdev, ioc->shost) {
1767 sas_device_priv_data = sdev->hostdata;
1768 if (!sas_device_priv_data)
1770 if (sas_device_priv_data->sas_target->handle == handle) {
1771 sas_device_priv_data->sas_target->tm_busy = 1;
1773 ioc->ignore_loginfos = 1;
1779 * mpt2sas_scsih_clear_tm_flag - clear per target tm_busy
1780 * @ioc: per adapter object
1781 * @handle: device handle
1783 * During taskmangement request, we need to freeze the device queue.
1786 mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle)
1788 struct MPT2SAS_DEVICE *sas_device_priv_data;
1789 struct scsi_device *sdev;
1792 shost_for_each_device(sdev, ioc->shost) {
1795 sas_device_priv_data = sdev->hostdata;
1796 if (!sas_device_priv_data)
1798 if (sas_device_priv_data->sas_target->handle == handle) {
1799 sas_device_priv_data->sas_target->tm_busy = 0;
1801 ioc->ignore_loginfos = 0;
1807 * mpt2sas_scsih_issue_tm - main routine for sending tm requests
1808 * @ioc: per adapter struct
1809 * @device_handle: device handle
1811 * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h)
1812 * @smid_task: smid assigned to the task
1813 * @timeout: timeout in seconds
1814 * Context: The calling function needs to acquire the tm_cmds.mutex
1816 * A generic API for sending task management requests to firmware.
1818 * The ioc->tm_cmds.status flag should be MPT2_CMD_NOT_USED before calling
1821 * The callback index is set inside `ioc->tm_cb_idx`.
1826 mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun,
1827 u8 type, u16 smid_task, ulong timeout)
1829 Mpi2SCSITaskManagementRequest_t *mpi_request;
1830 Mpi2SCSITaskManagementReply_t *mpi_reply;
1833 unsigned long timeleft;
1835 if (ioc->tm_cmds.status != MPT2_CMD_NOT_USED) {
1836 printk(MPT2SAS_INFO_FMT "%s: tm_cmd busy!!!\n",
1837 __func__, ioc->name);
1841 if (ioc->shost_recovery) {
1842 printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
1843 __func__, ioc->name);
1847 ioc_state = mpt2sas_base_get_iocstate(ioc, 0);
1848 if (ioc_state & MPI2_DOORBELL_USED) {
1849 dhsprintk(ioc, printk(MPT2SAS_DEBUG_FMT "unexpected doorbell "
1850 "active!\n", ioc->name));
1851 goto issue_host_reset;
1854 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
1855 mpt2sas_base_fault_info(ioc, ioc_state &
1856 MPI2_DOORBELL_DATA_MASK);
1857 goto issue_host_reset;
1860 smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx);
1862 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
1863 ioc->name, __func__);
1867 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "sending tm: handle(0x%04x),"
1868 " task_type(0x%02x), smid(%d)\n", ioc->name, handle, type,
1870 ioc->tm_cmds.status = MPT2_CMD_PENDING;
1871 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
1872 ioc->tm_cmds.smid = smid;
1873 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
1874 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
1875 mpi_request->DevHandle = cpu_to_le16(handle);
1876 mpi_request->TaskType = type;
1877 mpi_request->TaskMID = cpu_to_le16(smid_task);
1878 mpi_request->VP_ID = 0; /* TODO */
1879 mpi_request->VF_ID = 0;
1880 int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN);
1881 mpt2sas_scsih_set_tm_flag(ioc, handle);
1882 init_completion(&ioc->tm_cmds.done);
1883 mpt2sas_base_put_smid_hi_priority(ioc, smid);
1884 timeleft = wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ);
1885 mpt2sas_scsih_clear_tm_flag(ioc, handle);
1886 if (!(ioc->tm_cmds.status & MPT2_CMD_COMPLETE)) {
1887 printk(MPT2SAS_ERR_FMT "%s: timeout\n",
1888 ioc->name, __func__);
1889 _debug_dump_mf(mpi_request,
1890 sizeof(Mpi2SCSITaskManagementRequest_t)/4);
1891 if (!(ioc->tm_cmds.status & MPT2_CMD_RESET))
1892 goto issue_host_reset;
1895 if (ioc->tm_cmds.status & MPT2_CMD_REPLY_VALID) {
1896 mpi_reply = ioc->tm_cmds.reply;
1897 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "complete tm: "
1898 "ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n",
1899 ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
1900 le32_to_cpu(mpi_reply->IOCLogInfo),
1901 le32_to_cpu(mpi_reply->TerminationCount)));
1902 if (ioc->logging_level & MPT_DEBUG_TM)
1903 _scsih_response_code(ioc, mpi_reply->ResponseCode);
1907 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, FORCE_BIG_HAMMER);
1911 * _scsih_abort - eh threads main abort routine
1912 * @sdev: scsi device struct
1914 * Returns SUCCESS if command aborted else FAILED
1917 _scsih_abort(struct scsi_cmnd *scmd)
1919 struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
1920 struct MPT2SAS_DEVICE *sas_device_priv_data;
1924 struct scsi_cmnd *scmd_lookup;
1926 printk(MPT2SAS_INFO_FMT "attempting task abort! scmd(%p)\n",
1928 scsi_print_command(scmd);
1930 sas_device_priv_data = scmd->device->hostdata;
1931 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
1932 printk(MPT2SAS_INFO_FMT "device been deleted! scmd(%p)\n",
1934 scmd->result = DID_NO_CONNECT << 16;
1935 scmd->scsi_done(scmd);
1940 /* search for the command */
1941 smid = _scsih_scsi_lookup_find_by_scmd(ioc, scmd);
1943 scmd->result = DID_RESET << 16;
1948 /* for hidden raid components and volumes this is not supported */
1949 if (sas_device_priv_data->sas_target->flags &
1950 MPT_TARGET_FLAGS_RAID_COMPONENT ||
1951 sas_device_priv_data->sas_target->flags & MPT_TARGET_FLAGS_VOLUME) {
1952 scmd->result = DID_RESET << 16;
1957 mpt2sas_halt_firmware(ioc);
1959 mutex_lock(&ioc->tm_cmds.mutex);
1960 handle = sas_device_priv_data->sas_target->handle;
1961 mpt2sas_scsih_issue_tm(ioc, handle, sas_device_priv_data->lun,
1962 MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30);
1964 /* sanity check - see whether command actually completed */
1965 scmd_lookup = _scsih_scsi_lookup_get(ioc, smid);
1966 if (scmd_lookup && (scmd_lookup->serial_number == scmd->serial_number))
1970 ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
1971 mutex_unlock(&ioc->tm_cmds.mutex);
1974 printk(MPT2SAS_INFO_FMT "task abort: %s scmd(%p)\n",
1975 ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
1980 * _scsih_dev_reset - eh threads main device reset routine
1981 * @sdev: scsi device struct
1983 * Returns SUCCESS if command aborted else FAILED
1986 _scsih_dev_reset(struct scsi_cmnd *scmd)
1988 struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
1989 struct MPT2SAS_DEVICE *sas_device_priv_data;
1990 struct _sas_device *sas_device;
1991 unsigned long flags;
1995 printk(MPT2SAS_INFO_FMT "attempting device reset! scmd(%p)\n",
1997 scsi_print_command(scmd);
1999 sas_device_priv_data = scmd->device->hostdata;
2000 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
2001 printk(MPT2SAS_INFO_FMT "device been deleted! scmd(%p)\n",
2003 scmd->result = DID_NO_CONNECT << 16;
2004 scmd->scsi_done(scmd);
2009 /* for hidden raid components obtain the volume_handle */
2011 if (sas_device_priv_data->sas_target->flags &
2012 MPT_TARGET_FLAGS_RAID_COMPONENT) {
2013 spin_lock_irqsave(&ioc->sas_device_lock, flags);
2014 sas_device = _scsih_sas_device_find_by_handle(ioc,
2015 sas_device_priv_data->sas_target->handle);
2017 handle = sas_device->volume_handle;
2018 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2020 handle = sas_device_priv_data->sas_target->handle;
2023 scmd->result = DID_RESET << 16;
2028 mutex_lock(&ioc->tm_cmds.mutex);
2029 mpt2sas_scsih_issue_tm(ioc, handle, 0,
2030 MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, scmd->device->lun,
2034 * sanity check see whether all commands to this device been
2037 if (_scsih_scsi_lookup_find_by_lun(ioc, scmd->device->id,
2038 scmd->device->lun, scmd->device->channel))
2042 ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
2043 mutex_unlock(&ioc->tm_cmds.mutex);
2046 printk(MPT2SAS_INFO_FMT "device reset: %s scmd(%p)\n",
2047 ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2052 * _scsih_target_reset - eh threads main target reset routine
2053 * @sdev: scsi device struct
2055 * Returns SUCCESS if command aborted else FAILED
2058 _scsih_target_reset(struct scsi_cmnd *scmd)
2060 struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2061 struct MPT2SAS_DEVICE *sas_device_priv_data;
2062 struct _sas_device *sas_device;
2063 unsigned long flags;
2067 printk(MPT2SAS_INFO_FMT "attempting target reset! scmd(%p)\n",
2069 scsi_print_command(scmd);
2071 sas_device_priv_data = scmd->device->hostdata;
2072 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
2073 printk(MPT2SAS_INFO_FMT "target been deleted! scmd(%p)\n",
2075 scmd->result = DID_NO_CONNECT << 16;
2076 scmd->scsi_done(scmd);
2081 /* for hidden raid components obtain the volume_handle */
2083 if (sas_device_priv_data->sas_target->flags &
2084 MPT_TARGET_FLAGS_RAID_COMPONENT) {
2085 spin_lock_irqsave(&ioc->sas_device_lock, flags);
2086 sas_device = _scsih_sas_device_find_by_handle(ioc,
2087 sas_device_priv_data->sas_target->handle);
2089 handle = sas_device->volume_handle;
2090 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2092 handle = sas_device_priv_data->sas_target->handle;
2095 scmd->result = DID_RESET << 16;
2100 mutex_lock(&ioc->tm_cmds.mutex);
2101 mpt2sas_scsih_issue_tm(ioc, handle, 0,
2102 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 30);
2105 * sanity check see whether all commands to this target been
2108 if (_scsih_scsi_lookup_find_by_target(ioc, scmd->device->id,
2109 scmd->device->channel))
2113 ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
2114 mutex_unlock(&ioc->tm_cmds.mutex);
2117 printk(MPT2SAS_INFO_FMT "target reset: %s scmd(%p)\n",
2118 ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2123 * _scsih_host_reset - eh threads main host reset routine
2124 * @sdev: scsi device struct
2126 * Returns SUCCESS if command aborted else FAILED
2129 _scsih_host_reset(struct scsi_cmnd *scmd)
2131 struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2134 printk(MPT2SAS_INFO_FMT "attempting host reset! scmd(%p)\n",
2136 scsi_print_command(scmd);
2138 retval = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2140 r = (retval < 0) ? FAILED : SUCCESS;
2141 printk(MPT2SAS_INFO_FMT "host reset: %s scmd(%p)\n",
2142 ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2148 * _scsih_fw_event_add - insert and queue up fw_event
2149 * @ioc: per adapter object
2150 * @fw_event: object describing the event
2151 * Context: This function will acquire ioc->fw_event_lock.
2153 * This adds the firmware event object into link list, then queues it up to
2154 * be processed from user context.
2159 _scsih_fw_event_add(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
2161 unsigned long flags;
2163 if (ioc->firmware_event_thread == NULL)
2166 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2167 list_add_tail(&fw_event->list, &ioc->fw_event_list);
2168 INIT_WORK(&fw_event->work, _firmware_event_work);
2169 queue_work(ioc->firmware_event_thread, &fw_event->work);
2170 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2174 * _scsih_fw_event_free - delete fw_event
2175 * @ioc: per adapter object
2176 * @fw_event: object describing the event
2177 * Context: This function will acquire ioc->fw_event_lock.
2179 * This removes firmware event object from link list, frees associated memory.
2184 _scsih_fw_event_free(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work
2187 unsigned long flags;
2189 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2190 list_del(&fw_event->list);
2191 kfree(fw_event->event_data);
2193 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2197 * _scsih_fw_event_add - requeue an event
2198 * @ioc: per adapter object
2199 * @fw_event: object describing the event
2200 * Context: This function will acquire ioc->fw_event_lock.
2205 _scsih_fw_event_requeue(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work
2206 *fw_event, unsigned long delay)
2208 unsigned long flags;
2209 if (ioc->firmware_event_thread == NULL)
2212 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2213 queue_work(ioc->firmware_event_thread, &fw_event->work);
2214 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2218 * _scsih_fw_event_off - turn flag off preventing event handling
2219 * @ioc: per adapter object
2221 * Used to prevent handling of firmware events during adapter reset
2227 _scsih_fw_event_off(struct MPT2SAS_ADAPTER *ioc)
2229 unsigned long flags;
2231 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2232 ioc->fw_events_off = 1;
2233 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2238 * _scsih_fw_event_on - turn flag on allowing firmware event handling
2239 * @ioc: per adapter object
2244 _scsih_fw_event_on(struct MPT2SAS_ADAPTER *ioc)
2246 unsigned long flags;
2248 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2249 ioc->fw_events_off = 0;
2250 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2254 * _scsih_ublock_io_device - set the device state to SDEV_RUNNING
2255 * @ioc: per adapter object
2256 * @handle: device handle
2258 * During device pull we need to appropiately set the sdev state.
2261 _scsih_ublock_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle)
2263 struct MPT2SAS_DEVICE *sas_device_priv_data;
2264 struct scsi_device *sdev;
2266 shost_for_each_device(sdev, ioc->shost) {
2267 sas_device_priv_data = sdev->hostdata;
2268 if (!sas_device_priv_data)
2270 if (!sas_device_priv_data->block)
2272 if (sas_device_priv_data->sas_target->handle == handle) {
2273 dewtprintk(ioc, sdev_printk(KERN_INFO, sdev,
2274 MPT2SAS_INFO_FMT "SDEV_RUNNING: "
2275 "handle(0x%04x)\n", ioc->name, handle));
2276 sas_device_priv_data->block = 0;
2277 scsi_internal_device_unblock(sdev);
2283 * _scsih_block_io_device - set the device state to SDEV_BLOCK
2284 * @ioc: per adapter object
2285 * @handle: device handle
2287 * During device pull we need to appropiately set the sdev state.
2290 _scsih_block_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle)
2292 struct MPT2SAS_DEVICE *sas_device_priv_data;
2293 struct scsi_device *sdev;
2295 shost_for_each_device(sdev, ioc->shost) {
2296 sas_device_priv_data = sdev->hostdata;
2297 if (!sas_device_priv_data)
2299 if (sas_device_priv_data->block)
2301 if (sas_device_priv_data->sas_target->handle == handle) {
2302 dewtprintk(ioc, sdev_printk(KERN_INFO, sdev,
2303 MPT2SAS_INFO_FMT "SDEV_BLOCK: "
2304 "handle(0x%04x)\n", ioc->name, handle));
2305 sas_device_priv_data->block = 1;
2306 scsi_internal_device_block(sdev);
2312 * _scsih_block_io_to_children_attached_to_ex
2313 * @ioc: per adapter object
2314 * @sas_expander: the sas_device object
2316 * This routine set sdev state to SDEV_BLOCK for all devices
2317 * attached to this expander. This function called when expander is
2321 _scsih_block_io_to_children_attached_to_ex(struct MPT2SAS_ADAPTER *ioc,
2322 struct _sas_node *sas_expander)
2324 struct _sas_port *mpt2sas_port;
2325 struct _sas_device *sas_device;
2326 struct _sas_node *expander_sibling;
2327 unsigned long flags;
2332 list_for_each_entry(mpt2sas_port,
2333 &sas_expander->sas_port_list, port_list) {
2334 if (mpt2sas_port->remote_identify.device_type ==
2336 spin_lock_irqsave(&ioc->sas_device_lock, flags);
2338 mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
2339 mpt2sas_port->remote_identify.sas_address);
2340 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2343 _scsih_block_io_device(ioc, sas_device->handle);
2347 list_for_each_entry(mpt2sas_port,
2348 &sas_expander->sas_port_list, port_list) {
2350 if (mpt2sas_port->remote_identify.device_type ==
2351 MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER ||
2352 mpt2sas_port->remote_identify.device_type ==
2353 MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER) {
2355 spin_lock_irqsave(&ioc->sas_node_lock, flags);
2357 mpt2sas_scsih_expander_find_by_sas_address(
2358 ioc, mpt2sas_port->remote_identify.sas_address);
2359 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
2360 _scsih_block_io_to_children_attached_to_ex(ioc,
2367 * _scsih_block_io_to_children_attached_directly
2368 * @ioc: per adapter object
2369 * @event_data: topology change event data
2371 * This routine set sdev state to SDEV_BLOCK for all devices
2372 * direct attached during device pull.
2375 _scsih_block_io_to_children_attached_directly(struct MPT2SAS_ADAPTER *ioc,
2376 Mpi2EventDataSasTopologyChangeList_t *event_data)
2384 for (i = 0; i < event_data->NumEntries; i++) {
2385 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
2388 phy_number = event_data->StartPhyNum + i;
2389 reason_code = event_data->PHY[i].PhyStatus &
2390 MPI2_EVENT_SAS_TOPO_RC_MASK;
2391 if (reason_code == MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING)
2392 _scsih_block_io_device(ioc, handle);
2393 if (reason_code == MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED) {
2394 link_rate = event_data->PHY[i].LinkRate >> 4;
2395 if (link_rate >= MPI2_SAS_NEG_LINK_RATE_1_5)
2396 _scsih_ublock_io_device(ioc, handle);
2402 * _scsih_tm_tr_send - send task management request
2403 * @ioc: per adapter object
2404 * @handle: device handle
2405 * Context: interrupt time.
2407 * This code is to initiate the device removal handshake protocal
2408 * with controller firmware. This function will issue target reset
2409 * using high priority request queue. It will send a sas iounit
2410 * controll request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion.
2412 * This is designed to send muliple task management request at the same
2413 * time to the fifo. If the fifo is full, we will append the request,
2414 * and process it in a future completion.
2417 _scsih_tm_tr_send(struct MPT2SAS_ADAPTER *ioc, u16 handle)
2419 Mpi2SCSITaskManagementRequest_t *mpi_request;
2420 struct MPT2SAS_TARGET *sas_target_priv_data;
2422 struct _sas_device *sas_device;
2423 unsigned long flags;
2424 struct _tr_list *delayed_tr;
2426 if (ioc->shost_recovery) {
2427 printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
2428 __func__, ioc->name);
2432 spin_lock_irqsave(&ioc->sas_device_lock, flags);
2433 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
2434 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2436 /* skip is hidden raid component */
2437 if (sas_device && sas_device->hidden_raid_component)
2440 smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_cb_idx);
2442 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
2445 INIT_LIST_HEAD(&delayed_tr->list);
2446 delayed_tr->handle = handle;
2447 delayed_tr->state = MPT2SAS_REQ_SAS_CNTRL;
2448 list_add_tail(&delayed_tr->list,
2449 &ioc->delayed_tr_list);
2450 if (sas_device && sas_device->starget) {
2451 dewtprintk(ioc, starget_printk(KERN_INFO,
2452 sas_device->starget, "DELAYED:tr:handle(0x%04x), "
2453 "(open)\n", handle));
2455 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
2456 "DELAYED:tr:handle(0x%04x), (open)\n",
2457 ioc->name, handle));
2463 sas_device->state |= MPTSAS_STATE_TR_SEND;
2464 sas_device->state |= MPT2SAS_REQ_SAS_CNTRL;
2465 if (sas_device->starget && sas_device->starget->hostdata) {
2466 sas_target_priv_data = sas_device->starget->hostdata;
2467 sas_target_priv_data->tm_busy = 1;
2468 dewtprintk(ioc, starget_printk(KERN_INFO,
2469 sas_device->starget, "tr:handle(0x%04x), (open)\n",
2473 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
2474 "tr:handle(0x%04x), (open)\n", ioc->name, handle));
2477 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
2478 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
2479 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
2480 mpi_request->DevHandle = cpu_to_le16(handle);
2481 mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
2482 mpt2sas_base_put_smid_hi_priority(ioc, smid);
2488 * _scsih_sas_control_complete - completion routine
2489 * @ioc: per adapter object
2490 * @smid: system request message index
2491 * @msix_index: MSIX table index supplied by the OS
2492 * @reply: reply message frame(lower 32bit addr)
2493 * Context: interrupt time.
2495 * This is the sas iounit controll completion routine.
2496 * This code is part of the code to initiate the device removal
2497 * handshake protocal with controller firmware.
2499 * Return 1 meaning mf should be freed from _base_interrupt
2500 * 0 means the mf is freed from this function.
2503 _scsih_sas_control_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid,
2504 u8 msix_index, u32 reply)
2506 unsigned long flags;
2508 struct _sas_device *sas_device;
2509 Mpi2SasIoUnitControlReply_t *mpi_reply =
2510 mpt2sas_base_get_reply_virt_addr(ioc, reply);
2512 handle = le16_to_cpu(mpi_reply->DevHandle);
2514 spin_lock_irqsave(&ioc->sas_device_lock, flags);
2515 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
2516 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2519 sas_device->state |= MPTSAS_STATE_CNTRL_COMPLETE;
2520 if (sas_device->starget)
2521 dewtprintk(ioc, starget_printk(KERN_INFO,
2522 sas_device->starget,
2523 "sc_complete:handle(0x%04x), "
2524 "ioc_status(0x%04x), loginfo(0x%08x)\n",
2525 handle, le16_to_cpu(mpi_reply->IOCStatus),
2526 le32_to_cpu(mpi_reply->IOCLogInfo)));
2528 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
2529 "sc_complete:handle(0x%04x), "
2530 "ioc_status(0x%04x), loginfo(0x%08x)\n",
2531 ioc->name, handle, le16_to_cpu(mpi_reply->IOCStatus),
2532 le32_to_cpu(mpi_reply->IOCLogInfo)));
2539 * _scsih_tm_tr_complete -
2540 * @ioc: per adapter object
2541 * @smid: system request message index
2542 * @msix_index: MSIX table index supplied by the OS
2543 * @reply: reply message frame(lower 32bit addr)
2544 * Context: interrupt time.
2546 * This is the target reset completion routine.
2547 * This code is part of the code to initiate the device removal
2548 * handshake protocal with controller firmware.
2549 * It will send a sas iounit controll request (MPI2_SAS_OP_REMOVE_DEVICE)
2551 * Return 1 meaning mf should be freed from _base_interrupt
2552 * 0 means the mf is freed from this function.
2555 _scsih_tm_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
2558 unsigned long flags;
2560 struct _sas_device *sas_device;
2561 Mpi2SCSITaskManagementReply_t *mpi_reply =
2562 mpt2sas_base_get_reply_virt_addr(ioc, reply);
2563 Mpi2SasIoUnitControlRequest_t *mpi_request;
2565 struct MPT2SAS_TARGET *sas_target_priv_data;
2566 struct _tr_list *delayed_tr;
2569 handle = le16_to_cpu(mpi_reply->DevHandle);
2570 spin_lock_irqsave(&ioc->sas_device_lock, flags);
2571 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
2572 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2575 sas_device->state |= MPTSAS_STATE_TR_COMPLETE;
2576 if (sas_device->starget) {
2577 dewtprintk(ioc, starget_printk(KERN_INFO,
2578 sas_device->starget, "tr_complete:handle(0x%04x), "
2579 "(%s) ioc_status(0x%04x), loginfo(0x%08x), "
2580 "completed(%d)\n", sas_device->handle,
2581 (sas_device->state & MPT2SAS_REQ_SAS_CNTRL) ?
2583 le16_to_cpu(mpi_reply->IOCStatus),
2584 le32_to_cpu(mpi_reply->IOCLogInfo),
2585 le32_to_cpu(mpi_reply->TerminationCount)));
2586 if (sas_device->starget->hostdata) {
2587 sas_target_priv_data =
2588 sas_device->starget->hostdata;
2589 sas_target_priv_data->tm_busy = 0;
2593 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
2594 "tr_complete:handle(0x%04x), (open) ioc_status(0x%04x), "
2595 "loginfo(0x%08x), completed(%d)\n", ioc->name,
2596 handle, le16_to_cpu(mpi_reply->IOCStatus),
2597 le32_to_cpu(mpi_reply->IOCLogInfo),
2598 le32_to_cpu(mpi_reply->TerminationCount)));
2601 if (!list_empty(&ioc->delayed_tr_list)) {
2602 delayed_tr = list_entry(ioc->delayed_tr_list.next,
2603 struct _tr_list, list);
2604 mpt2sas_base_free_smid(ioc, smid);
2605 if (delayed_tr->state & MPT2SAS_REQ_SAS_CNTRL)
2606 _scsih_tm_tr_send(ioc, delayed_tr->handle);
2607 list_del(&delayed_tr->list);
2609 rc = 0; /* tells base_interrupt not to free mf */
2613 if (sas_device && !(sas_device->state & MPT2SAS_REQ_SAS_CNTRL))
2616 if (ioc->shost_recovery) {
2617 printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
2618 __func__, ioc->name);
2622 smid_sas_ctrl = mpt2sas_base_get_smid(ioc, ioc->tm_sas_control_cb_idx);
2623 if (!smid_sas_ctrl) {
2624 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
2625 ioc->name, __func__);
2630 sas_device->state |= MPTSAS_STATE_CNTRL_SEND;
2632 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid_sas_ctrl);
2633 memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t));
2634 mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
2635 mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE;
2636 mpi_request->DevHandle = mpi_reply->DevHandle;
2637 mpt2sas_base_put_smid_default(ioc, smid_sas_ctrl);
2642 * _scsih_check_topo_delete_events - sanity check on topo events
2643 * @ioc: per adapter object
2644 * @event_data: the event data payload
2646 * This routine added to better handle cable breaker.
2648 * This handles the case where driver recieves multiple expander
2649 * add and delete events in a single shot. When there is a delete event
2650 * the routine will void any pending add events waiting in the event queue.
2655 _scsih_check_topo_delete_events(struct MPT2SAS_ADAPTER *ioc,
2656 Mpi2EventDataSasTopologyChangeList_t *event_data)
2658 struct fw_event_work *fw_event;
2659 Mpi2EventDataSasTopologyChangeList_t *local_event_data;
2660 u16 expander_handle;
2661 struct _sas_node *sas_expander;
2662 unsigned long flags;
2666 for (i = 0 ; i < event_data->NumEntries; i++) {
2667 if (event_data->PHY[i].PhyStatus &
2668 MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT)
2670 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
2673 reason_code = event_data->PHY[i].PhyStatus &
2674 MPI2_EVENT_SAS_TOPO_RC_MASK;
2675 if (reason_code == MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)
2676 _scsih_tm_tr_send(ioc, handle);
2679 expander_handle = le16_to_cpu(event_data->ExpanderDevHandle);
2680 if (expander_handle < ioc->sas_hba.num_phys) {
2681 _scsih_block_io_to_children_attached_directly(ioc, event_data);
2685 if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING
2686 || event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING) {
2687 spin_lock_irqsave(&ioc->sas_node_lock, flags);
2688 sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc,
2690 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
2691 _scsih_block_io_to_children_attached_to_ex(ioc, sas_expander);
2692 } else if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_RESPONDING)
2693 _scsih_block_io_to_children_attached_directly(ioc, event_data);
2695 if (event_data->ExpStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING)
2698 /* mark ignore flag for pending events */
2699 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2700 list_for_each_entry(fw_event, &ioc->fw_event_list, list) {
2701 if (fw_event->event != MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
2704 local_event_data = fw_event->event_data;
2705 if (local_event_data->ExpStatus ==
2706 MPI2_EVENT_SAS_TOPO_ES_ADDED ||
2707 local_event_data->ExpStatus ==
2708 MPI2_EVENT_SAS_TOPO_ES_RESPONDING) {
2709 if (le16_to_cpu(local_event_data->ExpanderDevHandle) ==
2711 dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT
2712 "setting ignoring flag\n", ioc->name));
2713 fw_event->ignore = 1;
2717 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2721 * _scsih_flush_running_cmds - completing outstanding commands.
2722 * @ioc: per adapter object
2724 * The flushing out of all pending scmd commands following host reset,
2725 * where all IO is dropped to the floor.
2730 _scsih_flush_running_cmds(struct MPT2SAS_ADAPTER *ioc)
2732 struct scsi_cmnd *scmd;
2736 for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
2737 scmd = _scsih_scsi_lookup_get(ioc, smid);
2741 mpt2sas_base_free_smid(ioc, smid);
2742 scsi_dma_unmap(scmd);
2743 scmd->result = DID_RESET << 16;
2744 scmd->scsi_done(scmd);
2746 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "completing %d cmds\n",
2751 * _scsih_setup_eedp - setup MPI request for EEDP transfer
2752 * @scmd: pointer to scsi command object
2753 * @mpi_request: pointer to the SCSI_IO reqest message frame
2755 * Supporting protection 1 and 3.
2760 _scsih_setup_eedp(struct scsi_cmnd *scmd, Mpi2SCSIIORequest_t *mpi_request)
2763 unsigned char prot_op = scsi_get_prot_op(scmd);
2764 unsigned char prot_type = scsi_get_prot_type(scmd);
2766 if (prot_type == SCSI_PROT_DIF_TYPE0 ||
2767 prot_type == SCSI_PROT_DIF_TYPE2 ||
2768 prot_op == SCSI_PROT_NORMAL)
2771 if (prot_op == SCSI_PROT_READ_STRIP)
2772 eedp_flags = MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP;
2773 else if (prot_op == SCSI_PROT_WRITE_INSERT)
2774 eedp_flags = MPI2_SCSIIO_EEDPFLAGS_INSERT_OP;
2778 switch (prot_type) {
2779 case SCSI_PROT_DIF_TYPE1:
2782 * enable ref/guard checking
2783 * auto increment ref tag
2785 eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
2786 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG |
2787 MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
2788 mpi_request->CDB.EEDP32.PrimaryReferenceTag =
2789 cpu_to_be32(scsi_get_lba(scmd));
2793 case SCSI_PROT_DIF_TYPE3:
2796 * enable guard checking
2798 eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
2801 mpi_request->EEDPBlockSize = cpu_to_le32(scmd->device->sector_size);
2802 mpi_request->EEDPFlags = cpu_to_le16(eedp_flags);
2806 * _scsih_eedp_error_handling - return sense code for EEDP errors
2807 * @scmd: pointer to scsi command object
2808 * @ioc_status: ioc status
2813 _scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status)
2819 switch (ioc_status) {
2820 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
2823 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
2826 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
2834 if (scmd->sc_data_direction == DMA_TO_DEVICE) {
2835 sk = ILLEGAL_REQUEST;
2836 host_byte = DID_ABORT;
2838 sk = ABORTED_COMMAND;
2842 scsi_build_sense_buffer(0, scmd->sense_buffer, sk, 0x10, ascq);
2843 scmd->result = DRIVER_SENSE << 24 | (host_byte << 16) |
2844 SAM_STAT_CHECK_CONDITION;
2848 * _scsih_qcmd - main scsi request entry point
2849 * @scmd: pointer to scsi command object
2850 * @done: function pointer to be invoked on completion
2852 * The callback index is set inside `ioc->scsi_io_cb_idx`.
2854 * Returns 0 on success. If there's a failure, return either:
2855 * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or
2856 * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full
2859 _scsih_qcmd(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *))
2861 struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2862 struct MPT2SAS_DEVICE *sas_device_priv_data;
2863 struct MPT2SAS_TARGET *sas_target_priv_data;
2864 Mpi2SCSIIORequest_t *mpi_request;
2868 scmd->scsi_done = done;
2869 sas_device_priv_data = scmd->device->hostdata;
2870 if (!sas_device_priv_data) {
2871 scmd->result = DID_NO_CONNECT << 16;
2872 scmd->scsi_done(scmd);
2876 sas_target_priv_data = sas_device_priv_data->sas_target;
2877 if (!sas_target_priv_data || sas_target_priv_data->handle ==
2878 MPT2SAS_INVALID_DEVICE_HANDLE || sas_target_priv_data->deleted) {
2879 scmd->result = DID_NO_CONNECT << 16;
2880 scmd->scsi_done(scmd);
2884 /* see if we are busy with task managment stuff */
2885 if (sas_device_priv_data->block || sas_target_priv_data->tm_busy)
2886 return SCSI_MLQUEUE_DEVICE_BUSY;
2887 else if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress)
2888 return SCSI_MLQUEUE_HOST_BUSY;
2890 if (scmd->sc_data_direction == DMA_FROM_DEVICE)
2891 mpi_control = MPI2_SCSIIO_CONTROL_READ;
2892 else if (scmd->sc_data_direction == DMA_TO_DEVICE)
2893 mpi_control = MPI2_SCSIIO_CONTROL_WRITE;
2895 mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER;
2898 if (!(sas_device_priv_data->flags & MPT_DEVICE_FLAGS_INIT)) {
2899 if (scmd->device->tagged_supported) {
2900 if (scmd->device->ordered_tags)
2901 mpi_control |= MPI2_SCSIIO_CONTROL_ORDEREDQ;
2903 mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
2905 /* MPI Revision I (UNIT = 0xA) - removed MPI2_SCSIIO_CONTROL_UNTAGGED */
2906 /* mpi_control |= MPI2_SCSIIO_CONTROL_UNTAGGED;
2908 mpi_control |= (0x500);
2911 mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
2913 if ((sas_device_priv_data->flags & MPT_DEVICE_TLR_ON))
2914 mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON;
2916 smid = mpt2sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd);
2918 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
2919 ioc->name, __func__);
2922 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
2923 memset(mpi_request, 0, sizeof(Mpi2SCSIIORequest_t));
2924 _scsih_setup_eedp(scmd, mpi_request);
2925 mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
2926 if (sas_device_priv_data->sas_target->flags &
2927 MPT_TARGET_FLAGS_RAID_COMPONENT)
2928 mpi_request->Function = MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
2930 mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
2931 mpi_request->DevHandle =
2932 cpu_to_le16(sas_device_priv_data->sas_target->handle);
2933 mpi_request->DataLength = cpu_to_le32(scsi_bufflen(scmd));
2934 mpi_request->Control = cpu_to_le32(mpi_control);
2935 mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len);
2936 mpi_request->MsgFlags = MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR;
2937 mpi_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE;
2938 mpi_request->SenseBufferLowAddress =
2939 mpt2sas_base_get_sense_buffer_dma(ioc, smid);
2940 mpi_request->SGLOffset0 = offsetof(Mpi2SCSIIORequest_t, SGL) / 4;
2941 mpi_request->SGLFlags = cpu_to_le16(MPI2_SCSIIO_SGLFLAGS_TYPE_MPI +
2942 MPI2_SCSIIO_SGLFLAGS_SYSTEM_ADDR);
2943 mpi_request->VF_ID = 0; /* TODO */
2944 mpi_request->VP_ID = 0;
2945 int_to_scsilun(sas_device_priv_data->lun, (struct scsi_lun *)
2947 memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len);
2949 if (!mpi_request->DataLength) {
2950 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request->SGL);
2952 if (_scsih_build_scatter_gather(ioc, scmd, smid)) {
2953 mpt2sas_base_free_smid(ioc, smid);
2958 mpt2sas_base_put_smid_scsi_io(ioc, smid,
2959 sas_device_priv_data->sas_target->handle);
2963 return SCSI_MLQUEUE_HOST_BUSY;
2967 * _scsih_normalize_sense - normalize descriptor and fixed format sense data
2968 * @sense_buffer: sense data returned by target
2969 * @data: normalized skey/asc/ascq
2974 _scsih_normalize_sense(char *sense_buffer, struct sense_info *data)
2976 if ((sense_buffer[0] & 0x7F) >= 0x72) {
2977 /* descriptor format */
2978 data->skey = sense_buffer[1] & 0x0F;
2979 data->asc = sense_buffer[2];
2980 data->ascq = sense_buffer[3];
2983 data->skey = sense_buffer[2] & 0x0F;
2984 data->asc = sense_buffer[12];
2985 data->ascq = sense_buffer[13];
2989 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
2991 * _scsih_scsi_ioc_info - translated non-succesfull SCSI_IO request
2992 * @ioc: per adapter object
2993 * @scmd: pointer to scsi command object
2994 * @mpi_reply: reply mf payload returned from firmware
2996 * scsi_status - SCSI Status code returned from target device
2997 * scsi_state - state info associated with SCSI_IO determined by ioc
2998 * ioc_status - ioc supplied status info
3003 _scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
3004 Mpi2SCSIIOReply_t *mpi_reply, u16 smid)
3008 u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) &
3009 MPI2_IOCSTATUS_MASK;
3010 u8 scsi_state = mpi_reply->SCSIState;
3011 u8 scsi_status = mpi_reply->SCSIStatus;
3012 char *desc_ioc_state = NULL;
3013 char *desc_scsi_status = NULL;
3014 char *desc_scsi_state = ioc->tmp_string;
3015 u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
3017 if (log_info == 0x31170000)
3020 switch (ioc_status) {
3021 case MPI2_IOCSTATUS_SUCCESS:
3022 desc_ioc_state = "success";
3024 case MPI2_IOCSTATUS_INVALID_FUNCTION:
3025 desc_ioc_state = "invalid function";
3027 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
3028 desc_ioc_state = "scsi recovered error";
3030 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
3031 desc_ioc_state = "scsi invalid dev handle";
3033 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
3034 desc_ioc_state = "scsi device not there";
3036 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
3037 desc_ioc_state = "scsi data overrun";
3039 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
3040 desc_ioc_state = "scsi data underrun";
3042 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
3043 desc_ioc_state = "scsi io data error";
3045 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
3046 desc_ioc_state = "scsi protocol error";
3048 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
3049 desc_ioc_state = "scsi task terminated";
3051 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
3052 desc_ioc_state = "scsi residual mismatch";
3054 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
3055 desc_ioc_state = "scsi task mgmt failed";
3057 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
3058 desc_ioc_state = "scsi ioc terminated";
3060 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
3061 desc_ioc_state = "scsi ext terminated";
3063 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
3064 desc_ioc_state = "eedp guard error";
3066 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
3067 desc_ioc_state = "eedp ref tag error";
3069 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
3070 desc_ioc_state = "eedp app tag error";
3073 desc_ioc_state = "unknown";
3077 switch (scsi_status) {
3078 case MPI2_SCSI_STATUS_GOOD:
3079 desc_scsi_status = "good";
3081 case MPI2_SCSI_STATUS_CHECK_CONDITION:
3082 desc_scsi_status = "check condition";
3084 case MPI2_SCSI_STATUS_CONDITION_MET:
3085 desc_scsi_status = "condition met";
3087 case MPI2_SCSI_STATUS_BUSY:
3088 desc_scsi_status = "busy";
3090 case MPI2_SCSI_STATUS_INTERMEDIATE:
3091 desc_scsi_status = "intermediate";
3093 case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET:
3094 desc_scsi_status = "intermediate condmet";
3096 case MPI2_SCSI_STATUS_RESERVATION_CONFLICT:
3097 desc_scsi_status = "reservation conflict";
3099 case MPI2_SCSI_STATUS_COMMAND_TERMINATED:
3100 desc_scsi_status = "command terminated";
3102 case MPI2_SCSI_STATUS_TASK_SET_FULL:
3103 desc_scsi_status = "task set full";
3105 case MPI2_SCSI_STATUS_ACA_ACTIVE:
3106 desc_scsi_status = "aca active";
3108 case MPI2_SCSI_STATUS_TASK_ABORTED:
3109 desc_scsi_status = "task aborted";
3112 desc_scsi_status = "unknown";
3116 desc_scsi_state[0] = '\0';
3118 desc_scsi_state = " ";
3119 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
3120 strcat(desc_scsi_state, "response info ");
3121 if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
3122 strcat(desc_scsi_state, "state terminated ");
3123 if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS)
3124 strcat(desc_scsi_state, "no status ");
3125 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED)
3126 strcat(desc_scsi_state, "autosense failed ");
3127 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)
3128 strcat(desc_scsi_state, "autosense valid ");
3130 scsi_print_command(scmd);
3131 printk(MPT2SAS_WARN_FMT "\tdev handle(0x%04x), "
3132 "ioc_status(%s)(0x%04x), smid(%d)\n", ioc->name,
3133 le16_to_cpu(mpi_reply->DevHandle), desc_ioc_state,
3135 printk(MPT2SAS_WARN_FMT "\trequest_len(%d), underflow(%d), "
3136 "resid(%d)\n", ioc->name, scsi_bufflen(scmd), scmd->underflow,
3137 scsi_get_resid(scmd));
3138 printk(MPT2SAS_WARN_FMT "\ttag(%d), transfer_count(%d), "
3139 "sc->result(0x%08x)\n", ioc->name, le16_to_cpu(mpi_reply->TaskTag),
3140 le32_to_cpu(mpi_reply->TransferCount), scmd->result);
3141 printk(MPT2SAS_WARN_FMT "\tscsi_status(%s)(0x%02x), "
3142 "scsi_state(%s)(0x%02x)\n", ioc->name, desc_scsi_status,
3143 scsi_status, desc_scsi_state, scsi_state);
3145 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
3146 struct sense_info data;
3147 _scsih_normalize_sense(scmd->sense_buffer, &data);
3148 printk(MPT2SAS_WARN_FMT "\t[sense_key,asc,ascq]: "
3149 "[0x%02x,0x%02x,0x%02x]\n", ioc->name, data.skey,
3150 data.asc, data.ascq);
3153 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) {
3154 response_info = le32_to_cpu(mpi_reply->ResponseInfo);
3155 response_bytes = (u8 *)&response_info;
3156 _scsih_response_code(ioc, response_bytes[0]);
3162 * _scsih_smart_predicted_fault - illuminate Fault LED
3163 * @ioc: per adapter object
3164 * @handle: device handle
3169 _scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER *ioc, u16 handle)
3171 Mpi2SepReply_t mpi_reply;
3172 Mpi2SepRequest_t mpi_request;
3173 struct scsi_target *starget;
3174 struct MPT2SAS_TARGET *sas_target_priv_data;
3175 Mpi2EventNotificationReply_t *event_reply;
3176 Mpi2EventDataSasDeviceStatusChange_t *event_data;
3177 struct _sas_device *sas_device;
3179 unsigned long flags;
3181 /* only handle non-raid devices */
3182 spin_lock_irqsave(&ioc->sas_device_lock, flags);
3183 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
3185 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
3188 starget = sas_device->starget;
3189 sas_target_priv_data = starget->hostdata;
3191 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) ||
3192 ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))) {
3193 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
3196 starget_printk(KERN_WARNING, starget, "predicted fault\n");
3197 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
3199 if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) {
3200 memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t));
3201 mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
3202 mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS;
3203 mpi_request.SlotStatus =
3204 MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT;
3205 mpi_request.DevHandle = cpu_to_le16(handle);
3206 mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS;
3207 if ((mpt2sas_base_scsi_enclosure_processor(ioc, &mpi_reply,
3208 &mpi_request)) != 0) {
3209 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3210 ioc->name, __FILE__, __LINE__, __func__);
3214 if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) {
3215 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
3216 "enclosure_processor: ioc_status (0x%04x), "
3217 "loginfo(0x%08x)\n", ioc->name,
3218 le16_to_cpu(mpi_reply.IOCStatus),
3219 le32_to_cpu(mpi_reply.IOCLogInfo)));
3224 /* insert into event log */
3225 sz = offsetof(Mpi2EventNotificationReply_t, EventData) +
3226 sizeof(Mpi2EventDataSasDeviceStatusChange_t);
3227 event_reply = kzalloc(sz, GFP_KERNEL);
3229 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3230 ioc->name, __FILE__, __LINE__, __func__);
3234 event_reply->Function = MPI2_FUNCTION_EVENT_NOTIFICATION;
3235 event_reply->Event =
3236 cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE);
3237 event_reply->MsgLength = sz/4;
3238 event_reply->EventDataLength =
3239 cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t)/4);
3240 event_data = (Mpi2EventDataSasDeviceStatusChange_t *)
3241 event_reply->EventData;
3242 event_data->ReasonCode = MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA;
3243 event_data->ASC = 0x5D;
3244 event_data->DevHandle = cpu_to_le16(handle);
3245 event_data->SASAddress = cpu_to_le64(sas_target_priv_data->sas_address);
3246 mpt2sas_ctl_add_to_event_log(ioc, event_reply);
3251 * _scsih_io_done - scsi request callback
3252 * @ioc: per adapter object
3253 * @smid: system request message index
3254 * @msix_index: MSIX table index supplied by the OS
3255 * @reply: reply message frame(lower 32bit addr)
3257 * Callback handler when using _scsih_qcmd.
3259 * Return 1 meaning mf should be freed from _base_interrupt
3260 * 0 means the mf is freed from this function.
3263 _scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
3265 Mpi2SCSIIORequest_t *mpi_request;
3266 Mpi2SCSIIOReply_t *mpi_reply;
3267 struct scsi_cmnd *scmd;
3273 struct MPT2SAS_DEVICE *sas_device_priv_data;
3274 u32 response_code = 0;
3276 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
3277 scmd = _scsih_scsi_lookup_get(ioc, smid);
3281 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
3283 if (mpi_reply == NULL) {
3284 scmd->result = DID_OK << 16;
3288 sas_device_priv_data = scmd->device->hostdata;
3289 if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
3290 sas_device_priv_data->sas_target->deleted) {
3291 scmd->result = DID_NO_CONNECT << 16;
3295 /* turning off TLR */
3296 scsi_state = mpi_reply->SCSIState;
3297 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
3299 le32_to_cpu(mpi_reply->ResponseInfo) & 0xFF;
3300 if (!sas_device_priv_data->tlr_snoop_check) {
3301 sas_device_priv_data->tlr_snoop_check++;
3302 if ((sas_device_priv_data->flags & MPT_DEVICE_TLR_ON) &&
3303 response_code == MPI2_SCSITASKMGMT_RSP_INVALID_FRAME)
3304 sas_device_priv_data->flags &=
3308 xfer_cnt = le32_to_cpu(mpi_reply->TransferCount);
3309 scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt);
3310 ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
3311 if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
3312 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
3315 ioc_status &= MPI2_IOCSTATUS_MASK;
3316 scsi_status = mpi_reply->SCSIStatus;
3318 if (ioc_status == MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
3319 (scsi_status == MPI2_SCSI_STATUS_BUSY ||
3320 scsi_status == MPI2_SCSI_STATUS_RESERVATION_CONFLICT ||
3321 scsi_status == MPI2_SCSI_STATUS_TASK_SET_FULL)) {
3322 ioc_status = MPI2_IOCSTATUS_SUCCESS;
3325 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
3326 struct sense_info data;
3327 const void *sense_data = mpt2sas_base_get_sense_buffer(ioc,
3329 u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE,
3330 le32_to_cpu(mpi_reply->SenseCount));
3331 memcpy(scmd->sense_buffer, sense_data, sz);
3332 _scsih_normalize_sense(scmd->sense_buffer, &data);
3333 /* failure prediction threshold exceeded */
3334 if (data.asc == 0x5D)
3335 _scsih_smart_predicted_fault(ioc,
3336 le16_to_cpu(mpi_reply->DevHandle));
3339 switch (ioc_status) {
3340 case MPI2_IOCSTATUS_BUSY:
3341 case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES:
3342 scmd->result = SAM_STAT_BUSY;
3345 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
3346 scmd->result = DID_NO_CONNECT << 16;
3349 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
3350 if (sas_device_priv_data->block) {
3351 scmd->result = DID_TRANSPORT_DISRUPTED << 16;
3354 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
3355 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
3356 scmd->result = DID_RESET << 16;
3359 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
3360 if ((xfer_cnt == 0) || (scmd->underflow > xfer_cnt))
3361 scmd->result = DID_SOFT_ERROR << 16;
3363 scmd->result = (DID_OK << 16) | scsi_status;
3366 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
3367 scmd->result = (DID_OK << 16) | scsi_status;
3369 if ((scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID))
3372 if (xfer_cnt < scmd->underflow) {
3373 if (scsi_status == SAM_STAT_BUSY)
3374 scmd->result = SAM_STAT_BUSY;
3376 scmd->result = DID_SOFT_ERROR << 16;
3377 } else if (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
3378 MPI2_SCSI_STATE_NO_SCSI_STATUS))
3379 scmd->result = DID_SOFT_ERROR << 16;
3380 else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
3381 scmd->result = DID_RESET << 16;
3382 else if (!xfer_cnt && scmd->cmnd[0] == REPORT_LUNS) {
3383 mpi_reply->SCSIState = MPI2_SCSI_STATE_AUTOSENSE_VALID;
3384 mpi_reply->SCSIStatus = SAM_STAT_CHECK_CONDITION;
3385 scmd->result = (DRIVER_SENSE << 24) |
3386 SAM_STAT_CHECK_CONDITION;
3387 scmd->sense_buffer[0] = 0x70;
3388 scmd->sense_buffer[2] = ILLEGAL_REQUEST;
3389 scmd->sense_buffer[12] = 0x20;
3390 scmd->sense_buffer[13] = 0;
3394 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
3395 scsi_set_resid(scmd, 0);
3396 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
3397 case MPI2_IOCSTATUS_SUCCESS:
3398 scmd->result = (DID_OK << 16) | scsi_status;
3399 if (response_code ==
3400 MPI2_SCSITASKMGMT_RSP_INVALID_FRAME ||
3401 (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
3402 MPI2_SCSI_STATE_NO_SCSI_STATUS)))
3403 scmd->result = DID_SOFT_ERROR << 16;
3404 else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
3405 scmd->result = DID_RESET << 16;
3408 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
3409 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
3410 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
3411 _scsih_eedp_error_handling(scmd, ioc_status);
3413 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
3414 case MPI2_IOCSTATUS_INVALID_FUNCTION:
3415 case MPI2_IOCSTATUS_INVALID_SGL:
3416 case MPI2_IOCSTATUS_INTERNAL_ERROR:
3417 case MPI2_IOCSTATUS_INVALID_FIELD:
3418 case MPI2_IOCSTATUS_INVALID_STATE:
3419 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
3420 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
3422 scmd->result = DID_SOFT_ERROR << 16;
3427 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
3428 if (scmd->result && (ioc->logging_level & MPT_DEBUG_REPLY))
3429 _scsih_scsi_ioc_info(ioc , scmd, mpi_reply, smid);
3433 scsi_dma_unmap(scmd);
3434 scmd->scsi_done(scmd);
3439 * _scsih_sas_host_refresh - refreshing sas host object contents
3440 * @ioc: per adapter object
3443 * During port enable, fw will send topology events for every device. Its
3444 * possible that the handles may change from the previous setting, so this
3445 * code keeping handles updating if changed.
3450 _scsih_sas_host_refresh(struct MPT2SAS_ADAPTER *ioc)
3455 Mpi2ConfigReply_t mpi_reply;
3456 Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
3457 u16 attached_handle;
3459 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT
3460 "updating handles for sas_host(0x%016llx)\n",
3461 ioc->name, (unsigned long long)ioc->sas_hba.sas_address));
3463 sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys
3464 * sizeof(Mpi2SasIOUnit0PhyData_t));
3465 sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
3466 if (!sas_iounit_pg0) {
3467 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3468 ioc->name, __FILE__, __LINE__, __func__);
3472 if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
3473 sas_iounit_pg0, sz)) != 0)
3475 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
3476 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
3478 for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
3480 ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0->
3481 PhyData[0].ControllerDevHandle);
3482 ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
3483 attached_handle = le16_to_cpu(sas_iounit_pg0->PhyData[i].
3485 mpt2sas_transport_update_links(ioc, ioc->sas_hba.sas_address,
3486 attached_handle, i, sas_iounit_pg0->PhyData[i].
3487 NegotiatedLinkRate >> 4);
3490 kfree(sas_iounit_pg0);
3494 * _scsih_sas_host_add - create sas host object
3495 * @ioc: per adapter object
3497 * Creating host side data object, stored in ioc->sas_hba
3502 _scsih_sas_host_add(struct MPT2SAS_ADAPTER *ioc)
3505 Mpi2ConfigReply_t mpi_reply;
3506 Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
3507 Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
3508 Mpi2SasPhyPage0_t phy_pg0;
3509 Mpi2SasDevicePage0_t sas_device_pg0;
3510 Mpi2SasEnclosurePage0_t enclosure_pg0;
3513 u16 device_missing_delay;
3515 mpt2sas_config_get_number_hba_phys(ioc, &ioc->sas_hba.num_phys);
3516 if (!ioc->sas_hba.num_phys) {
3517 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3518 ioc->name, __FILE__, __LINE__, __func__);
3522 /* sas_iounit page 0 */
3523 sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys *
3524 sizeof(Mpi2SasIOUnit0PhyData_t));
3525 sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
3526 if (!sas_iounit_pg0) {
3527 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3528 ioc->name, __FILE__, __LINE__, __func__);
3531 if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
3532 sas_iounit_pg0, sz))) {
3533 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3534 ioc->name, __FILE__, __LINE__, __func__);
3537 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
3538 MPI2_IOCSTATUS_MASK;
3539 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
3540 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3541 ioc->name, __FILE__, __LINE__, __func__);
3545 /* sas_iounit page 1 */
3546 sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys *
3547 sizeof(Mpi2SasIOUnit1PhyData_t));
3548 sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
3549 if (!sas_iounit_pg1) {
3550 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3551 ioc->name, __FILE__, __LINE__, __func__);
3554 if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
3555 sas_iounit_pg1, sz))) {
3556 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3557 ioc->name, __FILE__, __LINE__, __func__);
3560 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
3561 MPI2_IOCSTATUS_MASK;
3562 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
3563 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3564 ioc->name, __FILE__, __LINE__, __func__);
3568 ioc->io_missing_delay =
3569 le16_to_cpu(sas_iounit_pg1->IODeviceMissingDelay);
3570 device_missing_delay =
3571 le16_to_cpu(sas_iounit_pg1->ReportDeviceMissingDelay);
3572 if (device_missing_delay & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
3573 ioc->device_missing_delay = (device_missing_delay &
3574 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
3576 ioc->device_missing_delay = device_missing_delay &
3577 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
3579 ioc->sas_hba.parent_dev = &ioc->shost->shost_gendev;
3580 ioc->sas_hba.phy = kcalloc(ioc->sas_hba.num_phys,
3581 sizeof(struct _sas_phy), GFP_KERNEL);
3582 if (!ioc->sas_hba.phy) {
3583 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3584 ioc->name, __FILE__, __LINE__, __func__);
3587 for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
3588 if ((mpt2sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0,
3590 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3591 ioc->name, __FILE__, __LINE__, __func__);
3594 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
3595 MPI2_IOCSTATUS_MASK;
3596 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
3597 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3598 ioc->name, __FILE__, __LINE__, __func__);
3603 ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0->
3604 PhyData[0].ControllerDevHandle);
3605 ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
3606 ioc->sas_hba.phy[i].phy_id = i;
3607 mpt2sas_transport_add_host_phy(ioc, &ioc->sas_hba.phy[i],
3608 phy_pg0, ioc->sas_hba.parent_dev);
3610 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
3611 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, ioc->sas_hba.handle))) {
3612 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3613 ioc->name, __FILE__, __LINE__, __func__);
3616 ioc->sas_hba.enclosure_handle =
3617 le16_to_cpu(sas_device_pg0.EnclosureHandle);
3618 ioc->sas_hba.sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
3619 printk(MPT2SAS_INFO_FMT "host_add: handle(0x%04x), "
3620 "sas_addr(0x%016llx), phys(%d)\n", ioc->name, ioc->sas_hba.handle,
3621 (unsigned long long) ioc->sas_hba.sas_address,
3622 ioc->sas_hba.num_phys) ;
3624 if (ioc->sas_hba.enclosure_handle) {
3625 if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply,
3627 MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
3628 ioc->sas_hba.enclosure_handle))) {
3629 ioc->sas_hba.enclosure_logical_id =
3630 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
3635 kfree(sas_iounit_pg1);
3636 kfree(sas_iounit_pg0);
3640 * _scsih_expander_add - creating expander object
3641 * @ioc: per adapter object
3642 * @handle: expander handle
3644 * Creating expander object, stored in ioc->sas_expander_list.
3646 * Return 0 for success, else error.
3649 _scsih_expander_add(struct MPT2SAS_ADAPTER *ioc, u16 handle)
3651 struct _sas_node *sas_expander;
3652 Mpi2ConfigReply_t mpi_reply;
3653 Mpi2ExpanderPage0_t expander_pg0;
3654 Mpi2ExpanderPage1_t expander_pg1;
3655 Mpi2SasEnclosurePage0_t enclosure_pg0;
3658 __le64 sas_address, sas_address_parent = 0;
3660 unsigned long flags;
3661 struct _sas_port *mpt2sas_port = NULL;
3667 if (ioc->shost_recovery)
3670 if ((mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
3671 MPI2_SAS_EXPAND_PGAD_FORM_HNDL, handle))) {
3672 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3673 ioc->name, __FILE__, __LINE__, __func__);
3677 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
3678 MPI2_IOCSTATUS_MASK;
3679 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
3680 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3681 ioc->name, __FILE__, __LINE__, __func__);
3685 /* handle out of order topology events */
3686 parent_handle = le16_to_cpu(expander_pg0.ParentDevHandle);
3687 if (_scsih_get_sas_address(ioc, parent_handle, &sas_address_parent)
3689 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3690 ioc->name, __FILE__, __LINE__, __func__);
3693 if (sas_address_parent != ioc->sas_hba.sas_address) {
3694 spin_lock_irqsave(&ioc->sas_node_lock, flags);
3695 sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc,
3696 sas_address_parent);
3697 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
3698 if (!sas_expander) {
3699 rc = _scsih_expander_add(ioc, parent_handle);
3705 spin_lock_irqsave(&ioc->sas_node_lock, flags);
3706 sas_address = le64_to_cpu(expander_pg0.SASAddress);
3707 sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc,
3709 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
3714 sas_expander = kzalloc(sizeof(struct _sas_node),
3716 if (!sas_expander) {
3717 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3718 ioc->name, __FILE__, __LINE__, __func__);
3722 sas_expander->handle = handle;
3723 sas_expander->num_phys = expander_pg0.NumPhys;
3724 sas_expander->sas_address_parent = sas_address_parent;
3725 sas_expander->sas_address = sas_address;
3727 printk(MPT2SAS_INFO_FMT "expander_add: handle(0x%04x),"
3728 " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc->name,
3729 handle, parent_handle, (unsigned long long)
3730 sas_expander->sas_address, sas_expander->num_phys);
3732 if (!sas_expander->num_phys)
3734 sas_expander->phy = kcalloc(sas_expander->num_phys,
3735 sizeof(struct _sas_phy), GFP_KERNEL);
3736 if (!sas_expander->phy) {
3737 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3738 ioc->name, __FILE__, __LINE__, __func__);
3743 INIT_LIST_HEAD(&sas_expander->sas_port_list);
3744 mpt2sas_port = mpt2sas_transport_port_add(ioc, handle,
3745 sas_address_parent);
3746 if (!mpt2sas_port) {
3747 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3748 ioc->name, __FILE__, __LINE__, __func__);
3752 sas_expander->parent_dev = &mpt2sas_port->rphy->dev;
3754 for (i = 0 ; i < sas_expander->num_phys ; i++) {
3755 if ((mpt2sas_config_get_expander_pg1(ioc, &mpi_reply,
3756 &expander_pg1, i, handle))) {
3757 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3758 ioc->name, __FILE__, __LINE__, __func__);
3762 sas_expander->phy[i].handle = handle;
3763 sas_expander->phy[i].phy_id = i;
3765 if ((mpt2sas_transport_add_expander_phy(ioc,
3766 &sas_expander->phy[i], expander_pg1,
3767 sas_expander->parent_dev))) {
3768 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3769 ioc->name, __FILE__, __LINE__, __func__);
3775 if (sas_expander->enclosure_handle) {
3776 if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply,
3777 &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
3778 sas_expander->enclosure_handle))) {
3779 sas_expander->enclosure_logical_id =
3780 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
3784 _scsih_expander_node_add(ioc, sas_expander);
3790 mpt2sas_transport_port_remove(ioc, sas_expander->sas_address,
3791 sas_address_parent);
3792 kfree(sas_expander);
3797 * _scsih_expander_remove - removing expander object
3798 * @ioc: per adapter object
3799 * @sas_address: expander sas_address
3804 _scsih_expander_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address)
3806 struct _sas_node *sas_expander;
3807 unsigned long flags;
3809 if (ioc->shost_recovery)
3812 spin_lock_irqsave(&ioc->sas_node_lock, flags);
3813 sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc,
3815 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
3816 _scsih_expander_node_remove(ioc, sas_expander);
3820 * _scsih_add_device - creating sas device object
3821 * @ioc: per adapter object
3822 * @handle: sas device handle
3823 * @phy_num: phy number end device attached to
3824 * @is_pd: is this hidden raid component
3826 * Creating end device object, stored in ioc->sas_device_list.
3828 * Returns 0 for success, non-zero for failure.
3831 _scsih_add_device(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 phy_num, u8 is_pd)
3833 Mpi2ConfigReply_t mpi_reply;
3834 Mpi2SasDevicePage0_t sas_device_pg0;
3835 Mpi2SasEnclosurePage0_t enclosure_pg0;
3836 struct _sas_device *sas_device;
3840 unsigned long flags;
3842 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
3843 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
3844 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3845 ioc->name, __FILE__, __LINE__, __func__);
3849 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
3850 MPI2_IOCSTATUS_MASK;
3851 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
3852 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3853 ioc->name, __FILE__, __LINE__, __func__);
3857 /* check if device is present */
3858 if (!(le16_to_cpu(sas_device_pg0.Flags) &
3859 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
3860 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3861 ioc->name, __FILE__, __LINE__, __func__);
3862 printk(MPT2SAS_ERR_FMT "Flags = 0x%04x\n",
3863 ioc->name, le16_to_cpu(sas_device_pg0.Flags));
3867 /* check if there were any issus with discovery */
3868 if (sas_device_pg0.AccessStatus ==
3869 MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED) {
3870 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3871 ioc->name, __FILE__, __LINE__, __func__);
3872 printk(MPT2SAS_ERR_FMT "AccessStatus = 0x%02x\n",
3873 ioc->name, sas_device_pg0.AccessStatus);
3877 /* check if this is end device */
3878 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
3879 if (!(_scsih_is_end_device(device_info))) {
3880 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3881 ioc->name, __FILE__, __LINE__, __func__);
3885 sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
3887 spin_lock_irqsave(&ioc->sas_device_lock, flags);
3888 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
3890 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
3893 _scsih_ublock_io_device(ioc, handle);
3897 sas_device = kzalloc(sizeof(struct _sas_device),
3900 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3901 ioc->name, __FILE__, __LINE__, __func__);
3905 sas_device->handle = handle;
3906 if (_scsih_get_sas_address(ioc, le16_to_cpu
3907 (sas_device_pg0.ParentDevHandle),
3908 &sas_device->sas_address_parent) != 0)
3909 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3910 ioc->name, __FILE__, __LINE__, __func__);
3911 sas_device->enclosure_handle =
3912 le16_to_cpu(sas_device_pg0.EnclosureHandle);
3914 le16_to_cpu(sas_device_pg0.Slot);
3915 sas_device->device_info = device_info;
3916 sas_device->sas_address = sas_address;
3917 sas_device->hidden_raid_component = is_pd;
3919 /* get enclosure_logical_id */
3920 if (sas_device->enclosure_handle && !(mpt2sas_config_get_enclosure_pg0(
3921 ioc, &mpi_reply, &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
3922 sas_device->enclosure_handle)))
3923 sas_device->enclosure_logical_id =
3924 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
3926 /* get device name */
3927 sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName);
3929 if (ioc->wait_for_port_enable_to_complete)
3930 _scsih_sas_device_init_add(ioc, sas_device);
3932 _scsih_sas_device_add(ioc, sas_device);
3938 * _scsih_remove_device - removing sas device object
3939 * @ioc: per adapter object
3940 * @sas_device: the sas_device object
3945 _scsih_remove_device(struct MPT2SAS_ADAPTER *ioc, struct _sas_device
3948 struct MPT2SAS_TARGET *sas_target_priv_data;
3949 Mpi2SasIoUnitControlReply_t mpi_reply;
3950 Mpi2SasIoUnitControlRequest_t mpi_request;
3951 u16 device_handle, handle;
3956 handle = sas_device->handle;
3957 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter: handle(0x%04x),"
3958 " sas_addr(0x%016llx)\n", ioc->name, __func__, handle,
3959 (unsigned long long) sas_device->sas_address));
3961 if (sas_device->starget && sas_device->starget->hostdata) {
3962 sas_target_priv_data = sas_device->starget->hostdata;
3963 sas_target_priv_data->deleted = 1;
3966 if (ioc->remove_host || ioc->shost_recovery || !handle)
3969 if ((sas_device->state & MPTSAS_STATE_TR_COMPLETE)) {
3970 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "\tskip "
3971 "target_reset handle(0x%04x)\n", ioc->name,
3976 /* Target Reset to flush out all the outstanding IO */
3977 device_handle = (sas_device->hidden_raid_component) ?
3978 sas_device->volume_handle : handle;
3979 if (device_handle) {
3980 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "issue target reset: "
3981 "handle(0x%04x)\n", ioc->name, device_handle));
3982 mutex_lock(&ioc->tm_cmds.mutex);
3983 mpt2sas_scsih_issue_tm(ioc, device_handle, 0,
3984 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 10);
3985 ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
3986 mutex_unlock(&ioc->tm_cmds.mutex);
3987 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "issue target reset "
3988 "done: handle(0x%04x)\n", ioc->name, device_handle));
3989 if (ioc->shost_recovery)
3994 if ((sas_device->state & MPTSAS_STATE_CNTRL_COMPLETE)) {
3995 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "\tskip "
3996 "sas_cntrl handle(0x%04x)\n", ioc->name, handle));
4000 /* SAS_IO_UNIT_CNTR - send REMOVE_DEVICE */
4001 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "sas_iounit: handle"
4002 "(0x%04x)\n", ioc->name, handle));
4003 memset(&mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t));
4004 mpi_request.Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
4005 mpi_request.Operation = MPI2_SAS_OP_REMOVE_DEVICE;
4006 mpi_request.DevHandle = handle;
4007 mpi_request.VF_ID = 0; /* TODO */
4008 mpi_request.VP_ID = 0;
4009 if ((mpt2sas_base_sas_iounit_control(ioc, &mpi_reply,
4010 &mpi_request)) != 0) {
4011 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4012 ioc->name, __FILE__, __LINE__, __func__);
4015 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "sas_iounit: ioc_status"
4016 "(0x%04x), loginfo(0x%08x)\n", ioc->name,
4017 le16_to_cpu(mpi_reply.IOCStatus),
4018 le32_to_cpu(mpi_reply.IOCLogInfo)));
4022 _scsih_ublock_io_device(ioc, handle);
4024 mpt2sas_transport_port_remove(ioc, sas_device->sas_address,
4025 sas_device->sas_address_parent);
4027 printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), sas_addr"
4028 "(0x%016llx)\n", ioc->name, handle,
4029 (unsigned long long) sas_device->sas_address);
4030 _scsih_sas_device_remove(ioc, sas_device);
4032 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit: handle"
4033 "(0x%04x)\n", ioc->name, __func__, handle));
4036 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4038 * _scsih_sas_topology_change_event_debug - debug for topology event
4039 * @ioc: per adapter object
4040 * @event_data: event data payload
4044 _scsih_sas_topology_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
4045 Mpi2EventDataSasTopologyChangeList_t *event_data)
4051 char *status_str = NULL;
4054 switch (event_data->ExpStatus) {
4055 case MPI2_EVENT_SAS_TOPO_ES_ADDED:
4058 case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING:
4059 status_str = "remove";
4061 case MPI2_EVENT_SAS_TOPO_ES_RESPONDING:
4062 status_str = "responding";
4064 case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING:
4065 status_str = "remove delay";
4068 status_str = "unknown status";
4071 printk(MPT2SAS_DEBUG_FMT "sas topology change: (%s)\n",
4072 ioc->name, status_str);
4073 printk(KERN_DEBUG "\thandle(0x%04x), enclosure_handle(0x%04x) "
4074 "start_phy(%02d), count(%d)\n",
4075 le16_to_cpu(event_data->ExpanderDevHandle),
4076 le16_to_cpu(event_data->EnclosureHandle),
4077 event_data->StartPhyNum, event_data->NumEntries);
4078 for (i = 0; i < event_data->NumEntries; i++) {
4079 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
4082 phy_number = event_data->StartPhyNum + i;
4083 reason_code = event_data->PHY[i].PhyStatus &
4084 MPI2_EVENT_SAS_TOPO_RC_MASK;
4085 switch (reason_code) {
4086 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
4087 snprintf(link_rate, 25, ": add, link(0x%02x)",
4088 (event_data->PHY[i].LinkRate >> 4));
4089 status_str = link_rate;
4091 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
4092 status_str = ": remove";
4094 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
4095 status_str = ": remove_delay";
4097 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
4098 snprintf(link_rate, 25, ": link(0x%02x)",
4099 (event_data->PHY[i].LinkRate >> 4));
4100 status_str = link_rate;
4102 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
4103 status_str = ": responding";
4106 status_str = ": unknown";
4109 printk(KERN_DEBUG "\tphy(%02d), attached_handle(0x%04x)%s\n",
4110 phy_number, handle, status_str);
4116 * _scsih_sas_topology_change_event - handle topology changes
4117 * @ioc: per adapter object
4118 * @fw_event: The fw_event_work object
4123 _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc,
4124 struct fw_event_work *fw_event)
4127 u16 parent_handle, handle;
4130 struct _sas_node *sas_expander;
4131 struct _sas_device *sas_device;
4133 unsigned long flags;
4135 Mpi2EventDataSasTopologyChangeList_t *event_data = fw_event->event_data;
4137 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4138 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
4139 _scsih_sas_topology_change_event_debug(ioc, event_data);
4142 if (ioc->shost_recovery)
4145 if (!ioc->sas_hba.num_phys)
4146 _scsih_sas_host_add(ioc);
4148 _scsih_sas_host_refresh(ioc);
4150 if (fw_event->ignore) {
4151 dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "ignoring expander "
4152 "event\n", ioc->name));
4156 parent_handle = le16_to_cpu(event_data->ExpanderDevHandle);
4158 /* handle expander add */
4159 if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_ADDED)
4160 if (_scsih_expander_add(ioc, parent_handle) != 0)
4163 spin_lock_irqsave(&ioc->sas_node_lock, flags);
4164 sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc,
4166 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
4168 sas_address = sas_expander->sas_address;
4169 else if (parent_handle < ioc->sas_hba.num_phys)
4170 sas_address = ioc->sas_hba.sas_address;
4174 /* handle siblings events */
4175 for (i = 0; i < event_data->NumEntries; i++) {
4176 if (fw_event->ignore) {
4177 dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "ignoring "
4178 "expander event\n", ioc->name));
4181 if (ioc->shost_recovery)
4183 phy_number = event_data->StartPhyNum + i;
4184 reason_code = event_data->PHY[i].PhyStatus &
4185 MPI2_EVENT_SAS_TOPO_RC_MASK;
4186 if ((event_data->PHY[i].PhyStatus &
4187 MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) && (reason_code !=
4188 MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING))
4190 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
4193 link_rate = event_data->PHY[i].LinkRate >> 4;
4194 switch (reason_code) {
4195 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
4196 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
4198 mpt2sas_transport_update_links(ioc, sas_address,
4199 handle, phy_number, link_rate);
4201 if (link_rate < MPI2_SAS_NEG_LINK_RATE_1_5)
4203 if (reason_code == MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED) {
4204 _scsih_add_device(ioc, handle, phy_number, 0);
4207 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
4209 spin_lock_irqsave(&ioc->sas_device_lock, flags);
4210 sas_device = _scsih_sas_device_find_by_handle(ioc,
4213 spin_unlock_irqrestore(&ioc->sas_device_lock,
4217 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4218 _scsih_remove_device(ioc, sas_device);
4223 /* handle expander removal */
4224 if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING &&
4226 _scsih_expander_remove(ioc, sas_address);
4230 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4232 * _scsih_sas_device_status_change_event_debug - debug for device event
4233 * @event_data: event data payload
4239 _scsih_sas_device_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
4240 Mpi2EventDataSasDeviceStatusChange_t *event_data)
4242 char *reason_str = NULL;
4244 switch (event_data->ReasonCode) {
4245 case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
4246 reason_str = "smart data";
4248 case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED:
4249 reason_str = "unsupported device discovered";
4251 case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
4252 reason_str = "internal device reset";
4254 case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL:
4255 reason_str = "internal task abort";
4257 case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL:
4258 reason_str = "internal task abort set";
4260 case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL:
4261 reason_str = "internal clear task set";
4263 case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL:
4264 reason_str = "internal query task";
4266 case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE:
4267 reason_str = "sata init failure";
4269 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET:
4270 reason_str = "internal device reset complete";
4272 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL:
4273 reason_str = "internal task abort complete";
4275 case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION:
4276 reason_str = "internal async notification";
4278 case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY:
4279 reason_str = "expander reduced functionality";
4281 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY:
4282 reason_str = "expander reduced functionality complete";
4285 reason_str = "unknown reason";
4288 printk(MPT2SAS_DEBUG_FMT "device status change: (%s)\n"
4289 "\thandle(0x%04x), sas address(0x%016llx)", ioc->name,
4290 reason_str, le16_to_cpu(event_data->DevHandle),
4291 (unsigned long long)le64_to_cpu(event_data->SASAddress));
4292 if (event_data->ReasonCode == MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA)
4293 printk(MPT2SAS_DEBUG_FMT ", ASC(0x%x), ASCQ(0x%x)\n", ioc->name,
4294 event_data->ASC, event_data->ASCQ);
4295 printk(KERN_INFO "\n");
4300 * _scsih_sas_device_status_change_event - handle device status change
4301 * @ioc: per adapter object
4302 * @fw_event: The fw_event_work object
4308 _scsih_sas_device_status_change_event(struct MPT2SAS_ADAPTER *ioc,
4309 struct fw_event_work *fw_event)
4311 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4312 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
4313 _scsih_sas_device_status_change_event_debug(ioc,
4314 fw_event->event_data);
4318 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4320 * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure event
4321 * @ioc: per adapter object
4322 * @event_data: event data payload
4328 _scsih_sas_enclosure_dev_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
4329 Mpi2EventDataSasEnclDevStatusChange_t *event_data)
4331 char *reason_str = NULL;
4333 switch (event_data->ReasonCode) {
4334 case MPI2_EVENT_SAS_ENCL_RC_ADDED:
4335 reason_str = "enclosure add";
4337 case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING:
4338 reason_str = "enclosure remove";
4341 reason_str = "unknown reason";
4345 printk(MPT2SAS_DEBUG_FMT "enclosure status change: (%s)\n"
4346 "\thandle(0x%04x), enclosure logical id(0x%016llx)"
4347 " number slots(%d)\n", ioc->name, reason_str,
4348 le16_to_cpu(event_data->EnclosureHandle),
4349 (unsigned long long)le64_to_cpu(event_data->EnclosureLogicalID),
4350 le16_to_cpu(event_data->StartSlot));
4355 * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events
4356 * @ioc: per adapter object
4357 * @fw_event: The fw_event_work object
4363 _scsih_sas_enclosure_dev_status_change_event(struct MPT2SAS_ADAPTER *ioc,
4364 struct fw_event_work *fw_event)
4366 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4367 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
4368 _scsih_sas_enclosure_dev_status_change_event_debug(ioc,
4369 fw_event->event_data);
4374 * _scsih_sas_broadcast_primative_event - handle broadcast events
4375 * @ioc: per adapter object
4376 * @fw_event: The fw_event_work object
4382 _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc,
4383 struct fw_event_work *fw_event)
4385 struct scsi_cmnd *scmd;
4388 struct MPT2SAS_DEVICE *sas_device_priv_data;
4389 u32 termination_count;
4391 Mpi2SCSITaskManagementReply_t *mpi_reply;
4392 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4393 Mpi2EventDataSasBroadcastPrimitive_t *event_data = fw_event->event_data;
4396 dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "broadcast primative: "
4397 "phy number(%d), width(%d)\n", ioc->name, event_data->PhyNum,
4398 event_data->PortWidth));
4399 dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: enter\n", ioc->name,
4402 mutex_lock(&ioc->tm_cmds.mutex);
4403 termination_count = 0;
4405 mpi_reply = ioc->tm_cmds.reply;
4406 for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
4407 scmd = _scsih_scsi_lookup_get(ioc, smid);
4410 sas_device_priv_data = scmd->device->hostdata;
4411 if (!sas_device_priv_data || !sas_device_priv_data->sas_target)
4413 /* skip hidden raid components */
4414 if (sas_device_priv_data->sas_target->flags &
4415 MPT_TARGET_FLAGS_RAID_COMPONENT)
4418 if (sas_device_priv_data->sas_target->flags &
4419 MPT_TARGET_FLAGS_VOLUME)
4422 handle = sas_device_priv_data->sas_target->handle;
4423 lun = sas_device_priv_data->lun;
4426 mpt2sas_scsih_issue_tm(ioc, handle, lun,
4427 MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30);
4428 ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
4429 ioc_status = le16_to_cpu(mpi_reply->IOCStatus)
4430 & MPI2_IOCSTATUS_MASK;
4431 if ((ioc_status == MPI2_IOCSTATUS_SUCCESS) &&
4432 (mpi_reply->ResponseCode ==
4433 MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED ||
4434 mpi_reply->ResponseCode ==
4435 MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC))
4438 mpt2sas_scsih_issue_tm(ioc, handle, lun,
4439 MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET, 0, 30);
4440 ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
4441 termination_count += le32_to_cpu(mpi_reply->TerminationCount);
4443 ioc->broadcast_aen_busy = 0;
4444 mutex_unlock(&ioc->tm_cmds.mutex);
4446 dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT
4447 "%s - exit, query_count = %d termination_count = %d\n",
4448 ioc->name, __func__, query_count, termination_count));
4452 * _scsih_sas_discovery_event - handle discovery events
4453 * @ioc: per adapter object
4454 * @fw_event: The fw_event_work object
4460 _scsih_sas_discovery_event(struct MPT2SAS_ADAPTER *ioc,
4461 struct fw_event_work *fw_event)
4463 Mpi2EventDataSasDiscovery_t *event_data = fw_event->event_data;
4465 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4466 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) {
4467 printk(MPT2SAS_DEBUG_FMT "discovery event: (%s)", ioc->name,
4468 (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ?
4470 if (event_data->DiscoveryStatus)
4471 printk("discovery_status(0x%08x)",
4472 le32_to_cpu(event_data->DiscoveryStatus));
4477 if (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED &&
4478 !ioc->sas_hba.num_phys)
4479 _scsih_sas_host_add(ioc);
4483 * _scsih_reprobe_lun - reprobing lun
4484 * @sdev: scsi device struct
4485 * @no_uld_attach: sdev->no_uld_attach flag setting
4489 _scsih_reprobe_lun(struct scsi_device *sdev, void *no_uld_attach)
4493 sdev->no_uld_attach = no_uld_attach ? 1 : 0;
4494 sdev_printk(KERN_INFO, sdev, "%s raid component\n",
4495 sdev->no_uld_attach ? "hidding" : "exposing");
4496 rc = scsi_device_reprobe(sdev);
4500 * _scsih_reprobe_target - reprobing target
4501 * @starget: scsi target struct
4502 * @no_uld_attach: sdev->no_uld_attach flag setting
4504 * Note: no_uld_attach flag determines whether the disk device is attached
4505 * to block layer. A value of `1` means to not attach.
4508 _scsih_reprobe_target(struct scsi_target *starget, int no_uld_attach)
4510 struct MPT2SAS_TARGET *sas_target_priv_data = starget->hostdata;
4513 sas_target_priv_data->flags |= MPT_TARGET_FLAGS_RAID_COMPONENT;
4515 sas_target_priv_data->flags &= ~MPT_TARGET_FLAGS_RAID_COMPONENT;
4517 starget_for_each_device(starget, no_uld_attach ? (void *)1 : NULL,
4518 _scsih_reprobe_lun);
4521 * _scsih_sas_volume_add - add new volume
4522 * @ioc: per adapter object
4523 * @element: IR config element data
4529 _scsih_sas_volume_add(struct MPT2SAS_ADAPTER *ioc,
4530 Mpi2EventIrConfigElement_t *element)
4532 struct _raid_device *raid_device;
4533 unsigned long flags;
4535 u16 handle = le16_to_cpu(element->VolDevHandle);
4538 mpt2sas_config_get_volume_wwid(ioc, handle, &wwid);
4540 printk(MPT2SAS_ERR_FMT
4541 "failure at %s:%d/%s()!\n", ioc->name,
4542 __FILE__, __LINE__, __func__);
4546 spin_lock_irqsave(&ioc->raid_device_lock, flags);
4547 raid_device = _scsih_raid_device_find_by_wwid(ioc, wwid);
4548 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
4553 raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
4555 printk(MPT2SAS_ERR_FMT
4556 "failure at %s:%d/%s()!\n", ioc->name,
4557 __FILE__, __LINE__, __func__);
4561 raid_device->id = ioc->sas_id++;
4562 raid_device->channel = RAID_CHANNEL;
4563 raid_device->handle = handle;
4564 raid_device->wwid = wwid;
4565 _scsih_raid_device_add(ioc, raid_device);
4566 if (!ioc->wait_for_port_enable_to_complete) {
4567 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
4568 raid_device->id, 0);
4570 _scsih_raid_device_remove(ioc, raid_device);
4572 _scsih_determine_boot_device(ioc, raid_device, 1);
4576 * _scsih_sas_volume_delete - delete volume
4577 * @ioc: per adapter object
4578 * @element: IR config element data
4584 _scsih_sas_volume_delete(struct MPT2SAS_ADAPTER *ioc,
4585 Mpi2EventIrConfigElement_t *element)
4587 struct _raid_device *raid_device;
4588 u16 handle = le16_to_cpu(element->VolDevHandle);
4589 unsigned long flags;
4590 struct MPT2SAS_TARGET *sas_target_priv_data;
4592 spin_lock_irqsave(&ioc->raid_device_lock, flags);
4593 raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
4594 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
4597 if (raid_device->starget) {
4598 sas_target_priv_data = raid_device->starget->hostdata;
4599 sas_target_priv_data->deleted = 1;
4600 scsi_remove_target(&raid_device->starget->dev);
4602 _scsih_raid_device_remove(ioc, raid_device);
4606 * _scsih_sas_pd_expose - expose pd component to /dev/sdX
4607 * @ioc: per adapter object
4608 * @element: IR config element data
4614 _scsih_sas_pd_expose(struct MPT2SAS_ADAPTER *ioc,
4615 Mpi2EventIrConfigElement_t *element)
4617 struct _sas_device *sas_device;
4618 unsigned long flags;
4619 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
4621 spin_lock_irqsave(&ioc->sas_device_lock, flags);
4622 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
4623 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4627 /* exposing raid component */
4628 sas_device->volume_handle = 0;
4629 sas_device->volume_wwid = 0;
4630 sas_device->hidden_raid_component = 0;
4631 _scsih_reprobe_target(sas_device->starget, 0);
4635 * _scsih_sas_pd_hide - hide pd component from /dev/sdX
4636 * @ioc: per adapter object
4637 * @element: IR config element data
4643 _scsih_sas_pd_hide(struct MPT2SAS_ADAPTER *ioc,
4644 Mpi2EventIrConfigElement_t *element)
4646 struct _sas_device *sas_device;
4647 unsigned long flags;
4648 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
4650 spin_lock_irqsave(&ioc->sas_device_lock, flags);
4651 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
4652 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4656 /* hiding raid component */
4657 mpt2sas_config_get_volume_handle(ioc, handle,
4658 &sas_device->volume_handle);
4659 mpt2sas_config_get_volume_wwid(ioc, sas_device->volume_handle,
4660 &sas_device->volume_wwid);
4661 sas_device->hidden_raid_component = 1;
4662 _scsih_reprobe_target(sas_device->starget, 1);
4666 * _scsih_sas_pd_delete - delete pd component
4667 * @ioc: per adapter object
4668 * @element: IR config element data
4674 _scsih_sas_pd_delete(struct MPT2SAS_ADAPTER *ioc,
4675 Mpi2EventIrConfigElement_t *element)
4677 struct _sas_device *sas_device;
4678 unsigned long flags;
4679 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
4681 spin_lock_irqsave(&ioc->sas_device_lock, flags);
4682 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
4683 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4686 _scsih_remove_device(ioc, sas_device);
4690 * _scsih_sas_pd_add - remove pd component
4691 * @ioc: per adapter object
4692 * @element: IR config element data
4698 _scsih_sas_pd_add(struct MPT2SAS_ADAPTER *ioc,
4699 Mpi2EventIrConfigElement_t *element)
4701 struct _sas_device *sas_device;
4702 unsigned long flags;
4703 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
4704 Mpi2ConfigReply_t mpi_reply;
4705 Mpi2SasDevicePage0_t sas_device_pg0;
4710 spin_lock_irqsave(&ioc->sas_device_lock, flags);
4711 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
4712 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4714 sas_device->hidden_raid_component = 1;
4718 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
4719 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
4720 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4721 ioc->name, __FILE__, __LINE__, __func__);
4725 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
4726 MPI2_IOCSTATUS_MASK;
4727 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
4728 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4729 ioc->name, __FILE__, __LINE__, __func__);
4733 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
4734 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
4735 mpt2sas_transport_update_links(ioc, sas_address, handle,
4736 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
4738 _scsih_add_device(ioc, handle, 0, 1);
4741 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4743 * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events
4744 * @ioc: per adapter object
4745 * @event_data: event data payload
4751 _scsih_sas_ir_config_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
4752 Mpi2EventDataIrConfigChangeList_t *event_data)
4754 Mpi2EventIrConfigElement_t *element;
4757 char *reason_str = NULL, *element_str = NULL;
4759 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
4761 printk(MPT2SAS_DEBUG_FMT "raid config change: (%s), elements(%d)\n",
4762 ioc->name, (le32_to_cpu(event_data->Flags) &
4763 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ?
4764 "foreign" : "native", event_data->NumElements);
4765 for (i = 0; i < event_data->NumElements; i++, element++) {
4766 switch (element->ReasonCode) {
4767 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
4770 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
4771 reason_str = "remove";
4773 case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE:
4774 reason_str = "no change";
4776 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
4777 reason_str = "hide";
4779 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
4780 reason_str = "unhide";
4782 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
4783 reason_str = "volume_created";
4785 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
4786 reason_str = "volume_deleted";
4788 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
4789 reason_str = "pd_created";
4791 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
4792 reason_str = "pd_deleted";
4795 reason_str = "unknown reason";
4798 element_type = le16_to_cpu(element->ElementFlags) &
4799 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK;
4800 switch (element_type) {
4801 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT:
4802 element_str = "volume";
4804 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT:
4805 element_str = "phys disk";
4807 case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT:
4808 element_str = "hot spare";
4811 element_str = "unknown element";
4814 printk(KERN_DEBUG "\t(%s:%s), vol handle(0x%04x), "
4815 "pd handle(0x%04x), pd num(0x%02x)\n", element_str,
4816 reason_str, le16_to_cpu(element->VolDevHandle),
4817 le16_to_cpu(element->PhysDiskDevHandle),
4818 element->PhysDiskNum);
4824 * _scsih_sas_ir_config_change_event - handle ir configuration change events
4825 * @ioc: per adapter object
4826 * @fw_event: The fw_event_work object
4832 _scsih_sas_ir_config_change_event(struct MPT2SAS_ADAPTER *ioc,
4833 struct fw_event_work *fw_event)
4835 Mpi2EventIrConfigElement_t *element;
4838 Mpi2EventDataIrConfigChangeList_t *event_data = fw_event->event_data;
4840 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4841 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
4842 _scsih_sas_ir_config_change_event_debug(ioc, event_data);
4845 foreign_config = (le32_to_cpu(event_data->Flags) &
4846 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
4848 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
4849 for (i = 0; i < event_data->NumElements; i++, element++) {
4851 switch (element->ReasonCode) {
4852 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
4853 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
4854 if (!foreign_config)
4855 _scsih_sas_volume_add(ioc, element);
4857 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
4858 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
4859 if (!foreign_config)
4860 _scsih_sas_volume_delete(ioc, element);
4862 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
4863 _scsih_sas_pd_hide(ioc, element);
4865 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
4866 _scsih_sas_pd_expose(ioc, element);
4868 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
4869 _scsih_sas_pd_add(ioc, element);
4871 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
4872 _scsih_sas_pd_delete(ioc, element);
4879 * _scsih_sas_ir_volume_event - IR volume event
4880 * @ioc: per adapter object
4881 * @fw_event: The fw_event_work object
4887 _scsih_sas_ir_volume_event(struct MPT2SAS_ADAPTER *ioc,
4888 struct fw_event_work *fw_event)
4891 unsigned long flags;
4892 struct _raid_device *raid_device;
4896 struct MPT2SAS_TARGET *sas_target_priv_data;
4897 Mpi2EventDataIrVolume_t *event_data = fw_event->event_data;
4899 if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
4902 handle = le16_to_cpu(event_data->VolDevHandle);
4903 state = le32_to_cpu(event_data->NewValue);
4904 dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle(0x%04x), "
4905 "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle,
4906 le32_to_cpu(event_data->PreviousValue), state));
4908 spin_lock_irqsave(&ioc->raid_device_lock, flags);
4909 raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
4910 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
4913 case MPI2_RAID_VOL_STATE_MISSING:
4914 case MPI2_RAID_VOL_STATE_FAILED:
4917 if (raid_device->starget) {
4918 sas_target_priv_data = raid_device->starget->hostdata;
4919 sas_target_priv_data->deleted = 1;
4920 scsi_remove_target(&raid_device->starget->dev);
4922 _scsih_raid_device_remove(ioc, raid_device);
4925 case MPI2_RAID_VOL_STATE_ONLINE:
4926 case MPI2_RAID_VOL_STATE_DEGRADED:
4927 case MPI2_RAID_VOL_STATE_OPTIMAL:
4931 mpt2sas_config_get_volume_wwid(ioc, handle, &wwid);
4933 printk(MPT2SAS_ERR_FMT
4934 "failure at %s:%d/%s()!\n", ioc->name,
4935 __FILE__, __LINE__, __func__);
4939 raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
4941 printk(MPT2SAS_ERR_FMT
4942 "failure at %s:%d/%s()!\n", ioc->name,
4943 __FILE__, __LINE__, __func__);
4947 raid_device->id = ioc->sas_id++;
4948 raid_device->channel = RAID_CHANNEL;
4949 raid_device->handle = handle;
4950 raid_device->wwid = wwid;
4951 _scsih_raid_device_add(ioc, raid_device);
4952 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
4953 raid_device->id, 0);
4955 _scsih_raid_device_remove(ioc, raid_device);
4958 case MPI2_RAID_VOL_STATE_INITIALIZING:
4965 * _scsih_sas_ir_physical_disk_event - PD event
4966 * @ioc: per adapter object
4967 * @fw_event: The fw_event_work object
4973 _scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER *ioc,
4974 struct fw_event_work *fw_event)
4976 u16 handle, parent_handle;
4978 struct _sas_device *sas_device;
4979 unsigned long flags;
4980 Mpi2ConfigReply_t mpi_reply;
4981 Mpi2SasDevicePage0_t sas_device_pg0;
4983 Mpi2EventDataIrPhysicalDisk_t *event_data = fw_event->event_data;
4986 if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED)
4989 handle = le16_to_cpu(event_data->PhysDiskDevHandle);
4990 state = le32_to_cpu(event_data->NewValue);
4992 dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle(0x%04x), "
4993 "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle,
4994 le32_to_cpu(event_data->PreviousValue), state));
4996 spin_lock_irqsave(&ioc->sas_device_lock, flags);
4997 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
4998 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5001 case MPI2_RAID_PD_STATE_ONLINE:
5002 case MPI2_RAID_PD_STATE_DEGRADED:
5003 case MPI2_RAID_PD_STATE_REBUILDING:
5004 case MPI2_RAID_PD_STATE_OPTIMAL:
5006 sas_device->hidden_raid_component = 1;
5010 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
5011 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
5013 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5014 ioc->name, __FILE__, __LINE__, __func__);
5018 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
5019 MPI2_IOCSTATUS_MASK;
5020 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
5021 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5022 ioc->name, __FILE__, __LINE__, __func__);
5026 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
5027 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
5028 mpt2sas_transport_update_links(ioc, sas_address, handle,
5029 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
5031 _scsih_add_device(ioc, handle, 0, 1);
5035 case MPI2_RAID_PD_STATE_OFFLINE:
5036 case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
5037 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
5038 case MPI2_RAID_PD_STATE_HOT_SPARE:
5044 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5046 * _scsih_sas_ir_operation_status_event_debug - debug for IR op event
5047 * @ioc: per adapter object
5048 * @event_data: event data payload
5054 _scsih_sas_ir_operation_status_event_debug(struct MPT2SAS_ADAPTER *ioc,
5055 Mpi2EventDataIrOperationStatus_t *event_data)
5057 char *reason_str = NULL;
5059 switch (event_data->RAIDOperation) {
5060 case MPI2_EVENT_IR_RAIDOP_RESYNC:
5061 reason_str = "resync";
5063 case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION:
5064 reason_str = "online capacity expansion";
5066 case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK:
5067 reason_str = "consistency check";
5069 case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT:
5070 reason_str = "background init";
5072 case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT:
5073 reason_str = "make data consistent";
5080 printk(MPT2SAS_INFO_FMT "raid operational status: (%s)"
5081 "\thandle(0x%04x), percent complete(%d)\n",
5082 ioc->name, reason_str,
5083 le16_to_cpu(event_data->VolDevHandle),
5084 event_data->PercentComplete);
5089 * _scsih_sas_ir_operation_status_event - handle RAID operation events
5090 * @ioc: per adapter object
5091 * @fw_event: The fw_event_work object
5097 _scsih_sas_ir_operation_status_event(struct MPT2SAS_ADAPTER *ioc,
5098 struct fw_event_work *fw_event)
5100 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5101 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
5102 _scsih_sas_ir_operation_status_event_debug(ioc,
5103 fw_event->event_data);
5108 * _scsih_task_set_full - handle task set full
5109 * @ioc: per adapter object
5110 * @fw_event: The fw_event_work object
5113 * Throttle back qdepth.
5116 _scsih_task_set_full(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work
5119 unsigned long flags;
5120 struct _sas_device *sas_device;
5121 static struct _raid_device *raid_device;
5122 struct scsi_device *sdev;
5128 Mpi2EventDataTaskSetFull_t *event_data = fw_event->event_data;
5130 current_depth = le16_to_cpu(event_data->CurrentDepth);
5131 handle = le16_to_cpu(event_data->DevHandle);
5132 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5133 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
5135 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5138 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5139 id = sas_device->id;
5140 channel = sas_device->channel;
5141 sas_address = sas_device->sas_address;
5143 /* if hidden raid component, then change to volume characteristics */
5144 if (sas_device->hidden_raid_component && sas_device->volume_handle) {
5145 spin_lock_irqsave(&ioc->raid_device_lock, flags);
5146 raid_device = _scsih_raid_device_find_by_handle(
5147 ioc, sas_device->volume_handle);
5148 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
5150 id = raid_device->id;
5151 channel = raid_device->channel;
5152 handle = raid_device->handle;
5153 sas_address = raid_device->wwid;
5157 if (ioc->logging_level & MPT_DEBUG_TASK_SET_FULL)
5158 starget_printk(KERN_DEBUG, sas_device->starget, "task set "
5159 "full: handle(0x%04x), sas_addr(0x%016llx), depth(%d)\n",
5160 handle, (unsigned long long)sas_address, current_depth);
5162 shost_for_each_device(sdev, ioc->shost) {
5163 if (sdev->id == id && sdev->channel == channel) {
5164 if (current_depth > sdev->queue_depth) {
5165 if (ioc->logging_level &
5166 MPT_DEBUG_TASK_SET_FULL)
5167 sdev_printk(KERN_INFO, sdev, "strange "
5168 "observation, the queue depth is"
5169 " (%d) meanwhile fw queue depth "
5170 "is (%d)\n", sdev->queue_depth,
5174 depth = scsi_track_queue_full(sdev,
5177 sdev_printk(KERN_INFO, sdev, "Queue depth "
5178 "reduced to (%d)\n", depth);
5180 sdev_printk(KERN_INFO, sdev, "Tagged Command "
5181 "Queueing is being disabled\n");
5182 else if (depth == 0)
5183 if (ioc->logging_level &
5184 MPT_DEBUG_TASK_SET_FULL)
5185 sdev_printk(KERN_INFO, sdev,
5186 "Queue depth not changed yet\n");
5192 * _scsih_mark_responding_sas_device - mark a sas_devices as responding
5193 * @ioc: per adapter object
5194 * @sas_address: sas address
5195 * @slot: enclosure slot id
5196 * @handle: device handle
5198 * After host reset, find out whether devices are still responding.
5199 * Used in _scsi_remove_unresponsive_sas_devices.
5204 _scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
5205 u16 slot, u16 handle)
5207 struct MPT2SAS_TARGET *sas_target_priv_data;
5208 struct scsi_target *starget;
5209 struct _sas_device *sas_device;
5210 unsigned long flags;
5212 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5213 list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
5214 if (sas_device->sas_address == sas_address &&
5215 sas_device->slot == slot && sas_device->starget) {
5216 sas_device->responding = 1;
5217 sas_device->state = 0;
5218 starget = sas_device->starget;
5219 sas_target_priv_data = starget->hostdata;
5220 sas_target_priv_data->tm_busy = 0;
5221 starget_printk(KERN_INFO, sas_device->starget,
5222 "handle(0x%04x), sas_addr(0x%016llx), enclosure "
5223 "logical id(0x%016llx), slot(%d)\n", handle,
5224 (unsigned long long)sas_device->sas_address,
5225 (unsigned long long)
5226 sas_device->enclosure_logical_id,
5228 if (sas_device->handle == handle)
5230 printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n",
5231 sas_device->handle);
5232 sas_device->handle = handle;
5233 sas_target_priv_data->handle = handle;
5238 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5242 * _scsih_search_responding_sas_devices -
5243 * @ioc: per adapter object
5245 * After host reset, find out whether devices are still responding.
5251 _scsih_search_responding_sas_devices(struct MPT2SAS_ADAPTER *ioc)
5253 Mpi2SasDevicePage0_t sas_device_pg0;
5254 Mpi2ConfigReply_t mpi_reply;
5261 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__);
5263 if (list_empty(&ioc->sas_device_list))
5267 while (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
5268 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
5270 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
5271 MPI2_IOCSTATUS_MASK;
5272 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
5274 handle = le16_to_cpu(sas_device_pg0.DevHandle);
5275 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
5276 if (!(_scsih_is_end_device(device_info)))
5278 sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
5279 slot = le16_to_cpu(sas_device_pg0.Slot);
5280 _scsih_mark_responding_sas_device(ioc, sas_address, slot,
5286 * _scsih_mark_responding_raid_device - mark a raid_device as responding
5287 * @ioc: per adapter object
5288 * @wwid: world wide identifier for raid volume
5289 * @handle: device handle
5291 * After host reset, find out whether devices are still responding.
5292 * Used in _scsi_remove_unresponsive_raid_devices.
5297 _scsih_mark_responding_raid_device(struct MPT2SAS_ADAPTER *ioc, u64 wwid,
5300 struct MPT2SAS_TARGET *sas_target_priv_data;
5301 struct scsi_target *starget;
5302 struct _raid_device *raid_device;
5303 unsigned long flags;
5305 spin_lock_irqsave(&ioc->raid_device_lock, flags);
5306 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
5307 if (raid_device->wwid == wwid && raid_device->starget) {
5308 raid_device->responding = 1;
5309 starget_printk(KERN_INFO, raid_device->starget,
5310 "handle(0x%04x), wwid(0x%016llx)\n", handle,
5311 (unsigned long long)raid_device->wwid);
5312 if (raid_device->handle == handle)
5314 printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n",
5315 raid_device->handle);
5316 raid_device->handle = handle;
5317 starget = raid_device->starget;
5318 sas_target_priv_data = starget->hostdata;
5319 sas_target_priv_data->handle = handle;
5324 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
5328 * _scsih_search_responding_raid_devices -
5329 * @ioc: per adapter object
5331 * After host reset, find out whether devices are still responding.
5337 _scsih_search_responding_raid_devices(struct MPT2SAS_ADAPTER *ioc)
5339 Mpi2RaidVolPage1_t volume_pg1;
5340 Mpi2ConfigReply_t mpi_reply;
5344 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__);
5346 if (list_empty(&ioc->raid_device_list))
5350 while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
5351 &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
5352 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
5353 MPI2_IOCSTATUS_MASK;
5354 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
5356 handle = le16_to_cpu(volume_pg1.DevHandle);
5357 _scsih_mark_responding_raid_device(ioc,
5358 le64_to_cpu(volume_pg1.WWID), handle);
5363 * _scsih_mark_responding_expander - mark a expander as responding
5364 * @ioc: per adapter object
5365 * @sas_address: sas address
5368 * After host reset, find out whether devices are still responding.
5369 * Used in _scsi_remove_unresponsive_expanders.
5374 _scsih_mark_responding_expander(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
5377 struct _sas_node *sas_expander;
5378 unsigned long flags;
5381 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5382 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
5383 if (sas_expander->sas_address != sas_address)
5385 sas_expander->responding = 1;
5386 if (sas_expander->handle == handle)
5388 printk(KERN_INFO "\texpander(0x%016llx): handle changed"
5389 " from(0x%04x) to (0x%04x)!!!\n",
5390 (unsigned long long)sas_expander->sas_address,
5391 sas_expander->handle, handle);
5392 sas_expander->handle = handle;
5393 for (i = 0 ; i < sas_expander->num_phys ; i++)
5394 sas_expander->phy[i].handle = handle;
5398 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5402 * _scsih_search_responding_expanders -
5403 * @ioc: per adapter object
5405 * After host reset, find out whether devices are still responding.
5411 _scsih_search_responding_expanders(struct MPT2SAS_ADAPTER *ioc)
5413 Mpi2ExpanderPage0_t expander_pg0;
5414 Mpi2ConfigReply_t mpi_reply;
5419 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__);
5421 if (list_empty(&ioc->sas_expander_list))
5425 while (!(mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
5426 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) {
5428 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
5429 MPI2_IOCSTATUS_MASK;
5430 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
5433 handle = le16_to_cpu(expander_pg0.DevHandle);
5434 sas_address = le64_to_cpu(expander_pg0.SASAddress);
5435 printk(KERN_INFO "\texpander present: handle(0x%04x), "
5436 "sas_addr(0x%016llx)\n", handle,
5437 (unsigned long long)sas_address);
5438 _scsih_mark_responding_expander(ioc, sas_address, handle);
5444 * _scsih_remove_unresponding_devices - removing unresponding devices
5445 * @ioc: per adapter object
5450 _scsih_remove_unresponding_devices(struct MPT2SAS_ADAPTER *ioc)
5452 struct _sas_device *sas_device, *sas_device_next;
5453 struct _sas_node *sas_expander;
5454 struct _raid_device *raid_device, *raid_device_next;
5457 list_for_each_entry_safe(sas_device, sas_device_next,
5458 &ioc->sas_device_list, list) {
5459 if (sas_device->responding) {
5460 sas_device->responding = 0;
5463 if (sas_device->starget)
5464 starget_printk(KERN_INFO, sas_device->starget,
5465 "removing: handle(0x%04x), sas_addr(0x%016llx), "
5466 "enclosure logical id(0x%016llx), slot(%d)\n",
5468 (unsigned long long)sas_device->sas_address,
5469 (unsigned long long)
5470 sas_device->enclosure_logical_id,
5472 /* invalidate the device handle */
5473 sas_device->handle = 0;
5474 _scsih_remove_device(ioc, sas_device);
5477 list_for_each_entry_safe(raid_device, raid_device_next,
5478 &ioc->raid_device_list, list) {
5479 if (raid_device->responding) {
5480 raid_device->responding = 0;
5483 if (raid_device->starget) {
5484 starget_printk(KERN_INFO, raid_device->starget,
5485 "removing: handle(0x%04x), wwid(0x%016llx)\n",
5486 raid_device->handle,
5487 (unsigned long long)raid_device->wwid);
5488 scsi_remove_target(&raid_device->starget->dev);
5490 _scsih_raid_device_remove(ioc, raid_device);
5493 retry_expander_search:
5494 sas_expander = NULL;
5495 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
5496 if (sas_expander->responding) {
5497 sas_expander->responding = 0;
5500 _scsih_expander_remove(ioc, sas_expander->sas_address);
5501 goto retry_expander_search;
5506 * mpt2sas_scsih_reset_handler - reset callback handler (for scsih)
5507 * @ioc: per adapter object
5508 * @reset_phase: phase
5510 * The handler for doing any required cleanup or initialization.
5512 * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET,
5513 * MPT2_IOC_DONE_RESET
5518 mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
5520 switch (reset_phase) {
5521 case MPT2_IOC_PRE_RESET:
5522 dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
5523 "MPT2_IOC_PRE_RESET\n", ioc->name, __func__));
5524 _scsih_fw_event_off(ioc);
5526 case MPT2_IOC_AFTER_RESET:
5527 dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
5528 "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__));
5529 if (ioc->tm_cmds.status & MPT2_CMD_PENDING) {
5530 ioc->tm_cmds.status |= MPT2_CMD_RESET;
5531 mpt2sas_base_free_smid(ioc, ioc->tm_cmds.smid);
5532 complete(&ioc->tm_cmds.done);
5534 _scsih_fw_event_on(ioc);
5535 _scsih_flush_running_cmds(ioc);
5537 case MPT2_IOC_DONE_RESET:
5538 dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
5539 "MPT2_IOC_DONE_RESET\n", ioc->name, __func__));
5540 _scsih_sas_host_refresh(ioc);
5541 _scsih_search_responding_sas_devices(ioc);
5542 _scsih_search_responding_raid_devices(ioc);
5543 _scsih_search_responding_expanders(ioc);
5545 case MPT2_IOC_RUNNING:
5546 dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
5547 "MPT2_IOC_RUNNING\n", ioc->name, __func__));
5548 _scsih_remove_unresponding_devices(ioc);
5554 * _firmware_event_work - delayed task for processing firmware events
5555 * @ioc: per adapter object
5556 * @work: equal to the fw_event_work object
5562 _firmware_event_work(struct work_struct *work)
5564 struct fw_event_work *fw_event = container_of(work,
5565 struct fw_event_work, work);
5566 unsigned long flags;
5567 struct MPT2SAS_ADAPTER *ioc = fw_event->ioc;
5569 /* the queue is being flushed so ignore this event */
5570 spin_lock_irqsave(&ioc->fw_event_lock, flags);
5571 if (ioc->fw_events_off || ioc->remove_host) {
5572 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
5573 _scsih_fw_event_free(ioc, fw_event);
5576 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
5578 if (ioc->shost_recovery) {
5579 _scsih_fw_event_requeue(ioc, fw_event, 1000);
5583 switch (fw_event->event) {
5584 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
5585 _scsih_sas_topology_change_event(ioc, fw_event);
5587 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
5588 _scsih_sas_device_status_change_event(ioc,
5591 case MPI2_EVENT_SAS_DISCOVERY:
5592 _scsih_sas_discovery_event(ioc,
5595 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
5596 _scsih_sas_broadcast_primative_event(ioc,
5599 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
5600 _scsih_sas_enclosure_dev_status_change_event(ioc,
5603 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
5604 _scsih_sas_ir_config_change_event(ioc, fw_event);
5606 case MPI2_EVENT_IR_VOLUME:
5607 _scsih_sas_ir_volume_event(ioc, fw_event);
5609 case MPI2_EVENT_IR_PHYSICAL_DISK:
5610 _scsih_sas_ir_physical_disk_event(ioc, fw_event);
5612 case MPI2_EVENT_IR_OPERATION_STATUS:
5613 _scsih_sas_ir_operation_status_event(ioc, fw_event);
5615 case MPI2_EVENT_TASK_SET_FULL:
5616 _scsih_task_set_full(ioc, fw_event);
5619 _scsih_fw_event_free(ioc, fw_event);
5623 * mpt2sas_scsih_event_callback - firmware event handler (called at ISR time)
5624 * @ioc: per adapter object
5625 * @msix_index: MSIX table index supplied by the OS
5626 * @reply: reply message frame(lower 32bit addr)
5627 * Context: interrupt.
5629 * This function merely adds a new work task into ioc->firmware_event_thread.
5630 * The tasks are worked from _firmware_event_work in user context.
5632 * Return 1 meaning mf should be freed from _base_interrupt
5633 * 0 means the mf is freed from this function.
5636 mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
5639 struct fw_event_work *fw_event;
5640 Mpi2EventNotificationReply_t *mpi_reply;
5641 unsigned long flags;
5644 /* events turned off due to host reset or driver unloading */
5645 spin_lock_irqsave(&ioc->fw_event_lock, flags);
5646 if (ioc->fw_events_off || ioc->remove_host) {
5647 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
5650 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
5652 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
5653 event = le16_to_cpu(mpi_reply->Event);
5657 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
5659 Mpi2EventDataSasBroadcastPrimitive_t *baen_data =
5660 (Mpi2EventDataSasBroadcastPrimitive_t *)
5661 mpi_reply->EventData;
5663 if (baen_data->Primitive !=
5664 MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT ||
5665 ioc->broadcast_aen_busy)
5667 ioc->broadcast_aen_busy = 1;
5671 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
5672 _scsih_check_topo_delete_events(ioc,
5673 (Mpi2EventDataSasTopologyChangeList_t *)
5674 mpi_reply->EventData);
5677 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
5678 case MPI2_EVENT_IR_OPERATION_STATUS:
5679 case MPI2_EVENT_SAS_DISCOVERY:
5680 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
5681 case MPI2_EVENT_IR_VOLUME:
5682 case MPI2_EVENT_IR_PHYSICAL_DISK:
5683 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
5684 case MPI2_EVENT_TASK_SET_FULL:
5687 default: /* ignore the rest */
5691 fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC);
5693 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5694 ioc->name, __FILE__, __LINE__, __func__);
5697 fw_event->event_data =
5698 kzalloc(mpi_reply->EventDataLength*4, GFP_ATOMIC);
5699 if (!fw_event->event_data) {
5700 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5701 ioc->name, __FILE__, __LINE__, __func__);
5706 memcpy(fw_event->event_data, mpi_reply->EventData,
5707 mpi_reply->EventDataLength*4);
5708 fw_event->ioc = ioc;
5709 fw_event->VF_ID = mpi_reply->VF_ID;
5710 fw_event->VP_ID = mpi_reply->VP_ID;
5711 fw_event->event = event;
5712 _scsih_fw_event_add(ioc, fw_event);
5716 /* shost template */
5717 static struct scsi_host_template scsih_driver_template = {
5718 .module = THIS_MODULE,
5719 .name = "Fusion MPT SAS Host",
5720 .proc_name = MPT2SAS_DRIVER_NAME,
5721 .queuecommand = _scsih_qcmd,
5722 .target_alloc = _scsih_target_alloc,
5723 .slave_alloc = _scsih_slave_alloc,
5724 .slave_configure = _scsih_slave_configure,
5725 .target_destroy = _scsih_target_destroy,
5726 .slave_destroy = _scsih_slave_destroy,
5727 .change_queue_depth = _scsih_change_queue_depth,
5728 .change_queue_type = _scsih_change_queue_type,
5729 .eh_abort_handler = _scsih_abort,
5730 .eh_device_reset_handler = _scsih_dev_reset,
5731 .eh_target_reset_handler = _scsih_target_reset,
5732 .eh_host_reset_handler = _scsih_host_reset,
5733 .bios_param = _scsih_bios_param,
5736 .sg_tablesize = MPT2SAS_SG_DEPTH,
5737 .max_sectors = 8192,
5739 .use_clustering = ENABLE_CLUSTERING,
5740 .shost_attrs = mpt2sas_host_attrs,
5741 .sdev_attrs = mpt2sas_dev_attrs,
5745 * _scsih_expander_node_remove - removing expander device from list.
5746 * @ioc: per adapter object
5747 * @sas_expander: the sas_device object
5748 * Context: Calling function should acquire ioc->sas_node_lock.
5750 * Removing object and freeing associated memory from the
5751 * ioc->sas_expander_list.
5756 _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc,
5757 struct _sas_node *sas_expander)
5759 struct _sas_port *mpt2sas_port;
5760 struct _sas_device *sas_device;
5761 struct _sas_node *expander_sibling;
5762 unsigned long flags;
5767 /* remove sibling ports attached to this expander */
5768 retry_device_search:
5769 list_for_each_entry(mpt2sas_port,
5770 &sas_expander->sas_port_list, port_list) {
5771 if (mpt2sas_port->remote_identify.device_type ==
5773 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5775 mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
5776 mpt2sas_port->remote_identify.sas_address);
5777 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5780 _scsih_remove_device(ioc, sas_device);
5781 if (ioc->shost_recovery)
5783 goto retry_device_search;
5787 retry_expander_search:
5788 list_for_each_entry(mpt2sas_port,
5789 &sas_expander->sas_port_list, port_list) {
5791 if (mpt2sas_port->remote_identify.device_type ==
5792 MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER ||
5793 mpt2sas_port->remote_identify.device_type ==
5794 MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER) {
5796 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5798 mpt2sas_scsih_expander_find_by_sas_address(
5799 ioc, mpt2sas_port->remote_identify.sas_address);
5800 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5801 if (!expander_sibling)
5803 _scsih_expander_remove(ioc,
5804 expander_sibling->sas_address);
5805 if (ioc->shost_recovery)
5807 goto retry_expander_search;
5811 mpt2sas_transport_port_remove(ioc, sas_expander->sas_address,
5812 sas_expander->sas_address_parent);
5814 printk(MPT2SAS_INFO_FMT "expander_remove: handle"
5815 "(0x%04x), sas_addr(0x%016llx)\n", ioc->name,
5816 sas_expander->handle, (unsigned long long)
5817 sas_expander->sas_address);
5819 list_del(&sas_expander->list);
5820 kfree(sas_expander->phy);
5821 kfree(sas_expander);
5825 * _scsih_remove - detach and remove add host
5826 * @pdev: PCI device struct
5830 static void __devexit
5831 _scsih_remove(struct pci_dev *pdev)
5833 struct Scsi_Host *shost = pci_get_drvdata(pdev);
5834 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
5835 struct _sas_port *mpt2sas_port;
5836 struct _sas_device *sas_device;
5837 struct _sas_node *expander_sibling;
5838 struct workqueue_struct *wq;
5839 unsigned long flags;
5841 ioc->remove_host = 1;
5842 _scsih_fw_event_off(ioc);
5844 spin_lock_irqsave(&ioc->fw_event_lock, flags);
5845 wq = ioc->firmware_event_thread;
5846 ioc->firmware_event_thread = NULL;
5847 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
5849 destroy_workqueue(wq);
5851 /* free ports attached to the sas_host */
5853 list_for_each_entry(mpt2sas_port,
5854 &ioc->sas_hba.sas_port_list, port_list) {
5855 if (mpt2sas_port->remote_identify.device_type ==
5858 mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
5859 mpt2sas_port->remote_identify.sas_address);
5861 _scsih_remove_device(ioc, sas_device);
5866 mpt2sas_scsih_expander_find_by_sas_address(ioc,
5867 mpt2sas_port->remote_identify.sas_address);
5868 if (expander_sibling) {
5869 _scsih_expander_remove(ioc,
5870 expander_sibling->sas_address);
5876 /* free phys attached to the sas_host */
5877 if (ioc->sas_hba.num_phys) {
5878 kfree(ioc->sas_hba.phy);
5879 ioc->sas_hba.phy = NULL;
5880 ioc->sas_hba.num_phys = 0;
5883 sas_remove_host(shost);
5884 mpt2sas_base_detach(ioc);
5885 list_del(&ioc->list);
5886 scsi_remove_host(shost);
5887 scsi_host_put(shost);
5891 * _scsih_probe_boot_devices - reports 1st device
5892 * @ioc: per adapter object
5894 * If specified in bios page 2, this routine reports the 1st
5895 * device scsi-ml or sas transport for persistent boot device
5896 * purposes. Please refer to function _scsih_determine_boot_device()
5899 _scsih_probe_boot_devices(struct MPT2SAS_ADAPTER *ioc)
5903 struct _sas_device *sas_device;
5904 struct _raid_device *raid_device;
5906 u64 sas_address_parent;
5908 unsigned long flags;
5912 if (ioc->req_boot_device.device) {
5913 device = ioc->req_boot_device.device;
5914 is_raid = ioc->req_boot_device.is_raid;
5915 } else if (ioc->req_alt_boot_device.device) {
5916 device = ioc->req_alt_boot_device.device;
5917 is_raid = ioc->req_alt_boot_device.is_raid;
5918 } else if (ioc->current_boot_device.device) {
5919 device = ioc->current_boot_device.device;
5920 is_raid = ioc->current_boot_device.is_raid;
5927 raid_device = device;
5928 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
5929 raid_device->id, 0);
5931 _scsih_raid_device_remove(ioc, raid_device);
5933 sas_device = device;
5934 handle = sas_device->handle;
5935 sas_address_parent = sas_device->sas_address_parent;
5936 sas_address = sas_device->sas_address;
5937 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5938 list_move_tail(&sas_device->list, &ioc->sas_device_list);
5939 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5940 if (!mpt2sas_transport_port_add(ioc, sas_device->handle,
5941 sas_device->sas_address_parent)) {
5942 _scsih_sas_device_remove(ioc, sas_device);
5943 } else if (!sas_device->starget) {
5944 mpt2sas_transport_port_remove(ioc, sas_address,
5945 sas_address_parent);
5946 _scsih_sas_device_remove(ioc, sas_device);
5952 * _scsih_probe_raid - reporting raid volumes to scsi-ml
5953 * @ioc: per adapter object
5955 * Called during initial loading of the driver.
5958 _scsih_probe_raid(struct MPT2SAS_ADAPTER *ioc)
5960 struct _raid_device *raid_device, *raid_next;
5963 list_for_each_entry_safe(raid_device, raid_next,
5964 &ioc->raid_device_list, list) {
5965 if (raid_device->starget)
5967 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
5968 raid_device->id, 0);
5970 _scsih_raid_device_remove(ioc, raid_device);
5975 * _scsih_probe_sas - reporting sas devices to sas transport
5976 * @ioc: per adapter object
5978 * Called during initial loading of the driver.
5981 _scsih_probe_sas(struct MPT2SAS_ADAPTER *ioc)
5983 struct _sas_device *sas_device, *next;
5984 unsigned long flags;
5986 /* SAS Device List */
5987 list_for_each_entry_safe(sas_device, next, &ioc->sas_device_init_list,
5989 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5990 list_move_tail(&sas_device->list, &ioc->sas_device_list);
5991 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5993 if (!mpt2sas_transport_port_add(ioc, sas_device->handle,
5994 sas_device->sas_address_parent)) {
5995 _scsih_sas_device_remove(ioc, sas_device);
5996 } else if (!sas_device->starget) {
5997 mpt2sas_transport_port_remove(ioc,
5998 sas_device->sas_address,
5999 sas_device->sas_address_parent);
6000 _scsih_sas_device_remove(ioc, sas_device);
6006 * _scsih_probe_devices - probing for devices
6007 * @ioc: per adapter object
6009 * Called during initial loading of the driver.
6012 _scsih_probe_devices(struct MPT2SAS_ADAPTER *ioc)
6014 u16 volume_mapping_flags =
6015 le16_to_cpu(ioc->ioc_pg8.IRVolumeMappingFlags) &
6016 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
6018 if (!(ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR))
6019 return; /* return when IOC doesn't support initiator mode */
6021 _scsih_probe_boot_devices(ioc);
6023 if (ioc->ir_firmware) {
6024 if ((volume_mapping_flags &
6025 MPI2_IOCPAGE8_IRFLAGS_HIGH_VOLUME_MAPPING)) {
6026 _scsih_probe_sas(ioc);
6027 _scsih_probe_raid(ioc);
6029 _scsih_probe_raid(ioc);
6030 _scsih_probe_sas(ioc);
6033 _scsih_probe_sas(ioc);
6037 * _scsih_probe - attach and add scsi host
6038 * @pdev: PCI device struct
6039 * @id: pci device id
6041 * Returns 0 success, anything else error.
6044 _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
6046 struct MPT2SAS_ADAPTER *ioc;
6047 struct Scsi_Host *shost;
6049 shost = scsi_host_alloc(&scsih_driver_template,
6050 sizeof(struct MPT2SAS_ADAPTER));
6054 /* init local params */
6055 ioc = shost_priv(shost);
6056 memset(ioc, 0, sizeof(struct MPT2SAS_ADAPTER));
6057 INIT_LIST_HEAD(&ioc->list);
6058 list_add_tail(&ioc->list, &mpt2sas_ioc_list);
6060 ioc->id = mpt_ids++;
6061 sprintf(ioc->name, "%s%d", MPT2SAS_DRIVER_NAME, ioc->id);
6063 ioc->scsi_io_cb_idx = scsi_io_cb_idx;
6064 ioc->tm_cb_idx = tm_cb_idx;
6065 ioc->ctl_cb_idx = ctl_cb_idx;
6066 ioc->base_cb_idx = base_cb_idx;
6067 ioc->transport_cb_idx = transport_cb_idx;
6068 ioc->config_cb_idx = config_cb_idx;
6069 ioc->tm_tr_cb_idx = tm_tr_cb_idx;
6070 ioc->tm_sas_control_cb_idx = tm_sas_control_cb_idx;
6071 ioc->logging_level = logging_level;
6072 /* misc semaphores and spin locks */
6073 spin_lock_init(&ioc->ioc_reset_in_progress_lock);
6074 spin_lock_init(&ioc->scsi_lookup_lock);
6075 spin_lock_init(&ioc->sas_device_lock);
6076 spin_lock_init(&ioc->sas_node_lock);
6077 spin_lock_init(&ioc->fw_event_lock);
6078 spin_lock_init(&ioc->raid_device_lock);
6080 INIT_LIST_HEAD(&ioc->sas_device_list);
6081 INIT_LIST_HEAD(&ioc->sas_device_init_list);
6082 INIT_LIST_HEAD(&ioc->sas_expander_list);
6083 INIT_LIST_HEAD(&ioc->fw_event_list);
6084 INIT_LIST_HEAD(&ioc->raid_device_list);
6085 INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list);
6086 INIT_LIST_HEAD(&ioc->delayed_tr_list);
6088 /* init shost parameters */
6089 shost->max_cmd_len = 16;
6090 shost->max_lun = max_lun;
6091 shost->transportt = mpt2sas_transport_template;
6092 shost->unique_id = ioc->id;
6094 if ((scsi_add_host(shost, &pdev->dev))) {
6095 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
6096 ioc->name, __FILE__, __LINE__, __func__);
6097 list_del(&ioc->list);
6098 goto out_add_shost_fail;
6101 scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION
6102 | SHOST_DIF_TYPE3_PROTECTION);
6103 scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC);
6106 snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name),
6107 "fw_event%d", ioc->id);
6108 ioc->firmware_event_thread = create_singlethread_workqueue(
6109 ioc->firmware_event_name);
6110 if (!ioc->firmware_event_thread) {
6111 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
6112 ioc->name, __FILE__, __LINE__, __func__);
6113 goto out_thread_fail;
6116 ioc->wait_for_port_enable_to_complete = 1;
6117 if ((mpt2sas_base_attach(ioc))) {
6118 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
6119 ioc->name, __FILE__, __LINE__, __func__);
6120 goto out_attach_fail;
6123 ioc->wait_for_port_enable_to_complete = 0;
6124 _scsih_probe_devices(ioc);
6128 destroy_workqueue(ioc->firmware_event_thread);
6130 list_del(&ioc->list);
6131 scsi_remove_host(shost);
6138 * _scsih_suspend - power management suspend main entry point
6139 * @pdev: PCI device struct
6140 * @state: PM state change to (usually PCI_D3)
6142 * Returns 0 success, anything else error.
6145 _scsih_suspend(struct pci_dev *pdev, pm_message_t state)
6147 struct Scsi_Host *shost = pci_get_drvdata(pdev);
6148 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
6151 mpt2sas_base_stop_watchdog(ioc);
6152 flush_scheduled_work();
6153 scsi_block_requests(shost);
6154 device_state = pci_choose_state(pdev, state);
6155 printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, entering "
6156 "operating state [D%d]\n", ioc->name, pdev,
6157 pci_name(pdev), device_state);
6159 mpt2sas_base_free_resources(ioc);
6160 pci_save_state(pdev);
6161 pci_disable_device(pdev);
6162 pci_set_power_state(pdev, device_state);
6167 * _scsih_resume - power management resume main entry point
6168 * @pdev: PCI device struct
6170 * Returns 0 success, anything else error.
6173 _scsih_resume(struct pci_dev *pdev)
6175 struct Scsi_Host *shost = pci_get_drvdata(pdev);
6176 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
6177 u32 device_state = pdev->current_state;
6180 printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, previous "
6181 "operating state [D%d]\n", ioc->name, pdev,
6182 pci_name(pdev), device_state);
6184 pci_set_power_state(pdev, PCI_D0);
6185 pci_enable_wake(pdev, PCI_D0, 0);
6186 pci_restore_state(pdev);
6188 r = mpt2sas_base_map_resources(ioc);
6192 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, SOFT_RESET);
6193 scsi_unblock_requests(shost);
6194 mpt2sas_base_start_watchdog(ioc);
6197 #endif /* CONFIG_PM */
6200 static struct pci_driver scsih_driver = {
6201 .name = MPT2SAS_DRIVER_NAME,
6202 .id_table = scsih_pci_table,
6203 .probe = _scsih_probe,
6204 .remove = __devexit_p(_scsih_remove),
6206 .suspend = _scsih_suspend,
6207 .resume = _scsih_resume,
6213 * _scsih_init - main entry point for this driver.
6215 * Returns 0 success, anything else error.
6223 printk(KERN_INFO "%s version %s loaded\n", MPT2SAS_DRIVER_NAME,
6224 MPT2SAS_DRIVER_VERSION);
6226 mpt2sas_transport_template =
6227 sas_attach_transport(&mpt2sas_transport_functions);
6228 if (!mpt2sas_transport_template)
6231 mpt2sas_base_initialize_callback_handler();
6233 /* queuecommand callback hander */
6234 scsi_io_cb_idx = mpt2sas_base_register_callback_handler(_scsih_io_done);
6236 /* task managment callback handler */
6237 tm_cb_idx = mpt2sas_base_register_callback_handler(_scsih_tm_done);
6239 /* base internal commands callback handler */
6240 base_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_base_done);
6242 /* transport internal commands callback handler */
6243 transport_cb_idx = mpt2sas_base_register_callback_handler(
6244 mpt2sas_transport_done);
6246 /* configuration page API internal commands callback handler */
6247 config_cb_idx = mpt2sas_base_register_callback_handler(
6248 mpt2sas_config_done);
6250 /* ctl module callback handler */
6251 ctl_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_ctl_done);
6253 tm_tr_cb_idx = mpt2sas_base_register_callback_handler(
6254 _scsih_tm_tr_complete);
6255 tm_sas_control_cb_idx = mpt2sas_base_register_callback_handler(
6256 _scsih_sas_control_complete);
6260 error = pci_register_driver(&scsih_driver);
6262 sas_release_transport(mpt2sas_transport_template);
6268 * _scsih_exit - exit point for this driver (when it is a module).
6270 * Returns 0 success, anything else error.
6275 printk(KERN_INFO "mpt2sas version %s unloading\n",
6276 MPT2SAS_DRIVER_VERSION);
6278 pci_unregister_driver(&scsih_driver);
6280 sas_release_transport(mpt2sas_transport_template);
6281 mpt2sas_base_release_callback_handler(scsi_io_cb_idx);
6282 mpt2sas_base_release_callback_handler(tm_cb_idx);
6283 mpt2sas_base_release_callback_handler(base_cb_idx);
6284 mpt2sas_base_release_callback_handler(transport_cb_idx);
6285 mpt2sas_base_release_callback_handler(config_cb_idx);
6286 mpt2sas_base_release_callback_handler(ctl_cb_idx);
6288 mpt2sas_base_release_callback_handler(tm_tr_cb_idx);
6289 mpt2sas_base_release_callback_handler(tm_sas_control_cb_idx);
6294 module_init(_scsih_init);
6295 module_exit(_scsih_exit);