2 * Scsi Host Layer for MPT (Message Passing Technology) based controllers
4 * This code is based on drivers/scsi/mpt2sas/mpt2_scsih.c
5 * Copyright (C) 2007-2010 LSI Corporation
6 * (mailto:DL-MPTFusionLinux@lsi.com)
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version 2
11 * of the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
19 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
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21 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
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44 #include <linux/module.h>
45 #include <linux/kernel.h>
46 #include <linux/init.h>
47 #include <linux/errno.h>
48 #include <linux/blkdev.h>
49 #include <linux/sched.h>
50 #include <linux/workqueue.h>
51 #include <linux/delay.h>
52 #include <linux/pci.h>
53 #include <linux/interrupt.h>
54 #include <linux/aer.h>
55 #include <linux/raid_class.h>
56 #include <linux/slab.h>
58 #include "mpt2sas_base.h"
60 MODULE_AUTHOR(MPT2SAS_AUTHOR);
61 MODULE_DESCRIPTION(MPT2SAS_DESCRIPTION);
62 MODULE_LICENSE("GPL");
63 MODULE_VERSION(MPT2SAS_DRIVER_VERSION);
65 #define RAID_CHANNEL 1
68 static void _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc,
69 struct _sas_node *sas_expander);
70 static void _firmware_event_work(struct work_struct *work);
72 static u8 _scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER *ioc, u16 smid);
74 static void _scsih_scan_start(struct Scsi_Host *shost);
75 static int _scsih_scan_finished(struct Scsi_Host *shost, unsigned long time);
77 /* global parameters */
78 LIST_HEAD(mpt2sas_ioc_list);
80 /* local parameters */
81 static u8 scsi_io_cb_idx = -1;
82 static u8 tm_cb_idx = -1;
83 static u8 ctl_cb_idx = -1;
84 static u8 base_cb_idx = -1;
85 static u8 port_enable_cb_idx = -1;
86 static u8 transport_cb_idx = -1;
87 static u8 scsih_cb_idx = -1;
88 static u8 config_cb_idx = -1;
91 static u8 tm_tr_cb_idx = -1 ;
92 static u8 tm_tr_volume_cb_idx = -1 ;
93 static u8 tm_sas_control_cb_idx = -1;
95 /* command line options */
96 static u32 logging_level;
97 MODULE_PARM_DESC(logging_level, " bits for enabling additional logging info "
100 static ushort max_sectors = 0xFFFF;
101 module_param(max_sectors, ushort, 0);
102 MODULE_PARM_DESC(max_sectors, "max sectors, range 64 to 32767 default=32767");
104 /* scsi-mid layer global parmeter is max_report_luns, which is 511 */
105 #define MPT2SAS_MAX_LUN (16895)
106 static int max_lun = MPT2SAS_MAX_LUN;
107 module_param(max_lun, int, 0);
108 MODULE_PARM_DESC(max_lun, " max lun, default=16895 ");
110 /* diag_buffer_enable is bitwise
112 * bit 1 set = SNAPSHOT
113 * bit 2 set = EXTENDED
115 * Either bit can be set, or both
117 static int diag_buffer_enable = -1;
118 module_param(diag_buffer_enable, int, 0);
119 MODULE_PARM_DESC(diag_buffer_enable, " post diag buffers "
120 "(TRACE=1/SNAPSHOT=2/EXTENDED=4/default=0)");
123 * struct sense_info - common structure for obtaining sense keys
125 * @asc: additional sense code
126 * @ascq: additional sense code qualifier
135 #define MPT2SAS_TURN_ON_FAULT_LED (0xFFFC)
136 #define MPT2SAS_PORT_ENABLE_COMPLETE (0xFFFD)
137 #define MPT2SAS_REMOVE_UNRESPONDING_DEVICES (0xFFFF)
139 * struct fw_event_work - firmware event struct
140 * @list: link list framework
141 * @work: work object (ioc->fault_reset_work_q)
142 * @cancel_pending_work: flag set during reset handling
143 * @ioc: per adapter object
144 * @device_handle: device handle
145 * @VF_ID: virtual function id
146 * @VP_ID: virtual port id
147 * @ignore: flag meaning this event has been marked to ignore
148 * @event: firmware event MPI2_EVENT_XXX defined in mpt2_ioc.h
149 * @event_data: reply event data payload follows
151 * This object stored on ioc->fw_event_list.
153 struct fw_event_work {
154 struct list_head list;
155 u8 cancel_pending_work;
156 struct delayed_work delayed_work;
157 struct MPT2SAS_ADAPTER *ioc;
166 /* raid transport support */
167 static struct raid_template *mpt2sas_raid_template;
170 * struct _scsi_io_transfer - scsi io transfer
171 * @handle: sas device handle (assigned by firmware)
172 * @is_raid: flag set for hidden raid components
173 * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE,
174 * @data_length: data transfer length
175 * @data_dma: dma pointer to data
178 * @cdb_length: cdb length
180 * @timeout: timeout for this command
181 * @VF_ID: virtual function id
182 * @VP_ID: virtual port id
183 * @valid_reply: flag set for reply message
184 * @sense_length: sense length
185 * @ioc_status: ioc status
186 * @scsi_state: scsi state
187 * @scsi_status: scsi staus
188 * @log_info: log information
189 * @transfer_length: data length transfer when there is a reply message
191 * Used for sending internal scsi commands to devices within this module.
192 * Refer to _scsi_send_scsi_io().
194 struct _scsi_io_transfer {
197 enum dma_data_direction dir;
200 u8 sense[SCSI_SENSE_BUFFERSIZE];
208 /* the following bits are only valid when 'valid_reply = 1' */
218 * The pci device ids are defined in mpi/mpi2_cnfg.h.
220 static struct pci_device_id scsih_pci_table[] = {
221 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004,
222 PCI_ANY_ID, PCI_ANY_ID },
224 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008,
225 PCI_ANY_ID, PCI_ANY_ID },
226 /* Liberator ~ 2108 */
227 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1,
228 PCI_ANY_ID, PCI_ANY_ID },
229 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2,
230 PCI_ANY_ID, PCI_ANY_ID },
231 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3,
232 PCI_ANY_ID, PCI_ANY_ID },
234 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1,
235 PCI_ANY_ID, PCI_ANY_ID },
236 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2,
237 PCI_ANY_ID, PCI_ANY_ID },
238 /* Thunderbolt ~ 2208 */
239 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1,
240 PCI_ANY_ID, PCI_ANY_ID },
241 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_2,
242 PCI_ANY_ID, PCI_ANY_ID },
243 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_3,
244 PCI_ANY_ID, PCI_ANY_ID },
245 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_4,
246 PCI_ANY_ID, PCI_ANY_ID },
247 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_5,
248 PCI_ANY_ID, PCI_ANY_ID },
249 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6,
250 PCI_ANY_ID, PCI_ANY_ID },
252 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_1,
253 PCI_ANY_ID, PCI_ANY_ID },
254 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2,
255 PCI_ANY_ID, PCI_ANY_ID },
256 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_3,
257 PCI_ANY_ID, PCI_ANY_ID },
259 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SSS6200,
260 PCI_ANY_ID, PCI_ANY_ID },
261 {0} /* Terminating entry */
263 MODULE_DEVICE_TABLE(pci, scsih_pci_table);
266 * _scsih_set_debug_level - global setting of ioc->logging_level.
268 * Note: The logging levels are defined in mpt2sas_debug.h.
271 _scsih_set_debug_level(const char *val, struct kernel_param *kp)
273 int ret = param_set_int(val, kp);
274 struct MPT2SAS_ADAPTER *ioc;
279 printk(KERN_INFO "setting logging_level(0x%08x)\n", logging_level);
280 list_for_each_entry(ioc, &mpt2sas_ioc_list, list)
281 ioc->logging_level = logging_level;
284 module_param_call(logging_level, _scsih_set_debug_level, param_get_int,
285 &logging_level, 0644);
288 * _scsih_srch_boot_sas_address - search based on sas_address
289 * @sas_address: sas address
290 * @boot_device: boot device object from bios page 2
292 * Returns 1 when there's a match, 0 means no match.
295 _scsih_srch_boot_sas_address(u64 sas_address,
296 Mpi2BootDeviceSasWwid_t *boot_device)
298 return (sas_address == le64_to_cpu(boot_device->SASAddress)) ? 1 : 0;
302 * _scsih_srch_boot_device_name - search based on device name
303 * @device_name: device name specified in INDENTIFY fram
304 * @boot_device: boot device object from bios page 2
306 * Returns 1 when there's a match, 0 means no match.
309 _scsih_srch_boot_device_name(u64 device_name,
310 Mpi2BootDeviceDeviceName_t *boot_device)
312 return (device_name == le64_to_cpu(boot_device->DeviceName)) ? 1 : 0;
316 * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot
317 * @enclosure_logical_id: enclosure logical id
318 * @slot_number: slot number
319 * @boot_device: boot device object from bios page 2
321 * Returns 1 when there's a match, 0 means no match.
324 _scsih_srch_boot_encl_slot(u64 enclosure_logical_id, u16 slot_number,
325 Mpi2BootDeviceEnclosureSlot_t *boot_device)
327 return (enclosure_logical_id == le64_to_cpu(boot_device->
328 EnclosureLogicalID) && slot_number == le16_to_cpu(boot_device->
329 SlotNumber)) ? 1 : 0;
333 * _scsih_is_boot_device - search for matching boot device.
334 * @sas_address: sas address
335 * @device_name: device name specified in INDENTIFY fram
336 * @enclosure_logical_id: enclosure logical id
337 * @slot_number: slot number
338 * @form: specifies boot device form
339 * @boot_device: boot device object from bios page 2
341 * Returns 1 when there's a match, 0 means no match.
344 _scsih_is_boot_device(u64 sas_address, u64 device_name,
345 u64 enclosure_logical_id, u16 slot, u8 form,
346 Mpi2BiosPage2BootDevice_t *boot_device)
351 case MPI2_BIOSPAGE2_FORM_SAS_WWID:
354 rc = _scsih_srch_boot_sas_address(
355 sas_address, &boot_device->SasWwid);
357 case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT:
358 if (!enclosure_logical_id)
360 rc = _scsih_srch_boot_encl_slot(
361 enclosure_logical_id,
362 slot, &boot_device->EnclosureSlot);
364 case MPI2_BIOSPAGE2_FORM_DEVICE_NAME:
367 rc = _scsih_srch_boot_device_name(
368 device_name, &boot_device->DeviceName);
370 case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED:
378 * _scsih_get_sas_address - set the sas_address for given device handle
379 * @handle: device handle
380 * @sas_address: sas address
382 * Returns 0 success, non-zero when failure
385 _scsih_get_sas_address(struct MPT2SAS_ADAPTER *ioc, u16 handle,
388 Mpi2SasDevicePage0_t sas_device_pg0;
389 Mpi2ConfigReply_t mpi_reply;
393 if (handle <= ioc->sas_hba.num_phys) {
394 *sas_address = ioc->sas_hba.sas_address;
398 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
399 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
400 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name,
401 __FILE__, __LINE__, __func__);
405 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
406 if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
407 *sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
411 /* we hit this becuase the given parent handle doesn't exist */
412 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
414 /* else error case */
415 printk(MPT2SAS_ERR_FMT "handle(0x%04x), ioc_status(0x%04x), "
416 "failure at %s:%d/%s()!\n", ioc->name, handle, ioc_status,
417 __FILE__, __LINE__, __func__);
422 * _scsih_determine_boot_device - determine boot device.
423 * @ioc: per adapter object
424 * @device: either sas_device or raid_device object
425 * @is_raid: [flag] 1 = raid object, 0 = sas object
427 * Determines whether this device should be first reported device to
428 * to scsi-ml or sas transport, this purpose is for persistent boot device.
429 * There are primary, alternate, and current entries in bios page 2. The order
430 * priority is primary, alternate, then current. This routine saves
431 * the corresponding device object and is_raid flag in the ioc object.
432 * The saved data to be used later in _scsih_probe_boot_devices().
435 _scsih_determine_boot_device(struct MPT2SAS_ADAPTER *ioc,
436 void *device, u8 is_raid)
438 struct _sas_device *sas_device;
439 struct _raid_device *raid_device;
442 u64 enclosure_logical_id;
445 /* only process this function when driver loads */
446 if (!ioc->is_driver_loading)
449 /* no Bios, return immediately */
450 if (!ioc->bios_pg3.BiosVersion)
455 sas_address = sas_device->sas_address;
456 device_name = sas_device->device_name;
457 enclosure_logical_id = sas_device->enclosure_logical_id;
458 slot = sas_device->slot;
460 raid_device = device;
461 sas_address = raid_device->wwid;
463 enclosure_logical_id = 0;
467 if (!ioc->req_boot_device.device) {
468 if (_scsih_is_boot_device(sas_address, device_name,
469 enclosure_logical_id, slot,
470 (ioc->bios_pg2.ReqBootDeviceForm &
471 MPI2_BIOSPAGE2_FORM_MASK),
472 &ioc->bios_pg2.RequestedBootDevice)) {
473 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT
474 "%s: req_boot_device(0x%016llx)\n",
476 (unsigned long long)sas_address));
477 ioc->req_boot_device.device = device;
478 ioc->req_boot_device.is_raid = is_raid;
482 if (!ioc->req_alt_boot_device.device) {
483 if (_scsih_is_boot_device(sas_address, device_name,
484 enclosure_logical_id, slot,
485 (ioc->bios_pg2.ReqAltBootDeviceForm &
486 MPI2_BIOSPAGE2_FORM_MASK),
487 &ioc->bios_pg2.RequestedAltBootDevice)) {
488 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT
489 "%s: req_alt_boot_device(0x%016llx)\n",
491 (unsigned long long)sas_address));
492 ioc->req_alt_boot_device.device = device;
493 ioc->req_alt_boot_device.is_raid = is_raid;
497 if (!ioc->current_boot_device.device) {
498 if (_scsih_is_boot_device(sas_address, device_name,
499 enclosure_logical_id, slot,
500 (ioc->bios_pg2.CurrentBootDeviceForm &
501 MPI2_BIOSPAGE2_FORM_MASK),
502 &ioc->bios_pg2.CurrentBootDevice)) {
503 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT
504 "%s: current_boot_device(0x%016llx)\n",
506 (unsigned long long)sas_address));
507 ioc->current_boot_device.device = device;
508 ioc->current_boot_device.is_raid = is_raid;
514 * mpt2sas_scsih_sas_device_find_by_sas_address - sas device search
515 * @ioc: per adapter object
516 * @sas_address: sas address
517 * Context: Calling function should acquire ioc->sas_device_lock
519 * This searches for sas_device based on sas_address, then return sas_device
523 mpt2sas_scsih_sas_device_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
526 struct _sas_device *sas_device;
528 list_for_each_entry(sas_device, &ioc->sas_device_list, list)
529 if (sas_device->sas_address == sas_address)
532 list_for_each_entry(sas_device, &ioc->sas_device_init_list, list)
533 if (sas_device->sas_address == sas_address)
540 * _scsih_sas_device_find_by_handle - sas device search
541 * @ioc: per adapter object
542 * @handle: sas device handle (assigned by firmware)
543 * Context: Calling function should acquire ioc->sas_device_lock
545 * This searches for sas_device based on sas_address, then return sas_device
548 static struct _sas_device *
549 _scsih_sas_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
551 struct _sas_device *sas_device;
553 list_for_each_entry(sas_device, &ioc->sas_device_list, list)
554 if (sas_device->handle == handle)
557 list_for_each_entry(sas_device, &ioc->sas_device_init_list, list)
558 if (sas_device->handle == handle)
565 * _scsih_sas_device_remove - remove sas_device from list.
566 * @ioc: per adapter object
567 * @sas_device: the sas_device object
568 * Context: This function will acquire ioc->sas_device_lock.
570 * Removing object and freeing associated memory from the ioc->sas_device_list.
573 _scsih_sas_device_remove(struct MPT2SAS_ADAPTER *ioc,
574 struct _sas_device *sas_device)
581 spin_lock_irqsave(&ioc->sas_device_lock, flags);
582 list_del(&sas_device->list);
584 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
589 * _scsih_sas_device_add - insert sas_device to the list.
590 * @ioc: per adapter object
591 * @sas_device: the sas_device object
592 * Context: This function will acquire ioc->sas_device_lock.
594 * Adding new object to the ioc->sas_device_list.
597 _scsih_sas_device_add(struct MPT2SAS_ADAPTER *ioc,
598 struct _sas_device *sas_device)
602 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle"
603 "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
604 sas_device->handle, (unsigned long long)sas_device->sas_address));
606 spin_lock_irqsave(&ioc->sas_device_lock, flags);
607 list_add_tail(&sas_device->list, &ioc->sas_device_list);
608 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
610 if (!mpt2sas_transport_port_add(ioc, sas_device->handle,
611 sas_device->sas_address_parent)) {
612 _scsih_sas_device_remove(ioc, sas_device);
613 } else if (!sas_device->starget) {
614 /* When asyn scanning is enabled, its not possible to remove
615 * devices while scanning is turned on due to an oops in
616 * scsi_sysfs_add_sdev()->add_device()->sysfs_addrm_start()
618 if (!ioc->is_driver_loading)
619 mpt2sas_transport_port_remove(ioc,
620 sas_device->sas_address,
621 sas_device->sas_address_parent);
622 _scsih_sas_device_remove(ioc, sas_device);
627 * _scsih_sas_device_init_add - insert sas_device to the list.
628 * @ioc: per adapter object
629 * @sas_device: the sas_device object
630 * Context: This function will acquire ioc->sas_device_lock.
632 * Adding new object at driver load time to the ioc->sas_device_init_list.
635 _scsih_sas_device_init_add(struct MPT2SAS_ADAPTER *ioc,
636 struct _sas_device *sas_device)
640 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle"
641 "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
642 sas_device->handle, (unsigned long long)sas_device->sas_address));
644 spin_lock_irqsave(&ioc->sas_device_lock, flags);
645 list_add_tail(&sas_device->list, &ioc->sas_device_init_list);
646 _scsih_determine_boot_device(ioc, sas_device, 0);
647 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
651 * _scsih_raid_device_find_by_id - raid device search
652 * @ioc: per adapter object
653 * @id: sas device target id
654 * @channel: sas device channel
655 * Context: Calling function should acquire ioc->raid_device_lock
657 * This searches for raid_device based on target id, then return raid_device
660 static struct _raid_device *
661 _scsih_raid_device_find_by_id(struct MPT2SAS_ADAPTER *ioc, int id, int channel)
663 struct _raid_device *raid_device, *r;
666 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
667 if (raid_device->id == id && raid_device->channel == channel) {
678 * _scsih_raid_device_find_by_handle - raid device search
679 * @ioc: per adapter object
680 * @handle: sas device handle (assigned by firmware)
681 * Context: Calling function should acquire ioc->raid_device_lock
683 * This searches for raid_device based on handle, then return raid_device
686 static struct _raid_device *
687 _scsih_raid_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
689 struct _raid_device *raid_device, *r;
692 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
693 if (raid_device->handle != handle)
704 * _scsih_raid_device_find_by_wwid - raid device search
705 * @ioc: per adapter object
706 * @handle: sas device handle (assigned by firmware)
707 * Context: Calling function should acquire ioc->raid_device_lock
709 * This searches for raid_device based on wwid, then return raid_device
712 static struct _raid_device *
713 _scsih_raid_device_find_by_wwid(struct MPT2SAS_ADAPTER *ioc, u64 wwid)
715 struct _raid_device *raid_device, *r;
718 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
719 if (raid_device->wwid != wwid)
730 * _scsih_raid_device_add - add raid_device object
731 * @ioc: per adapter object
732 * @raid_device: raid_device object
734 * This is added to the raid_device_list link list.
737 _scsih_raid_device_add(struct MPT2SAS_ADAPTER *ioc,
738 struct _raid_device *raid_device)
742 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle"
743 "(0x%04x), wwid(0x%016llx)\n", ioc->name, __func__,
744 raid_device->handle, (unsigned long long)raid_device->wwid));
746 spin_lock_irqsave(&ioc->raid_device_lock, flags);
747 list_add_tail(&raid_device->list, &ioc->raid_device_list);
748 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
752 * _scsih_raid_device_remove - delete raid_device object
753 * @ioc: per adapter object
754 * @raid_device: raid_device object
758 _scsih_raid_device_remove(struct MPT2SAS_ADAPTER *ioc,
759 struct _raid_device *raid_device)
763 spin_lock_irqsave(&ioc->raid_device_lock, flags);
764 list_del(&raid_device->list);
766 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
770 * mpt2sas_scsih_expander_find_by_handle - expander device search
771 * @ioc: per adapter object
772 * @handle: expander handle (assigned by firmware)
773 * Context: Calling function should acquire ioc->sas_device_lock
775 * This searches for expander device based on handle, then returns the
779 mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
781 struct _sas_node *sas_expander, *r;
784 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
785 if (sas_expander->handle != handle)
795 * mpt2sas_scsih_expander_find_by_sas_address - expander device search
796 * @ioc: per adapter object
797 * @sas_address: sas address
798 * Context: Calling function should acquire ioc->sas_node_lock.
800 * This searches for expander device based on sas_address, then returns the
804 mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
807 struct _sas_node *sas_expander, *r;
810 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
811 if (sas_expander->sas_address != sas_address)
821 * _scsih_expander_node_add - insert expander device to the list.
822 * @ioc: per adapter object
823 * @sas_expander: the sas_device object
824 * Context: This function will acquire ioc->sas_node_lock.
826 * Adding new object to the ioc->sas_expander_list.
831 _scsih_expander_node_add(struct MPT2SAS_ADAPTER *ioc,
832 struct _sas_node *sas_expander)
836 spin_lock_irqsave(&ioc->sas_node_lock, flags);
837 list_add_tail(&sas_expander->list, &ioc->sas_expander_list);
838 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
842 * _scsih_is_end_device - determines if device is an end device
843 * @device_info: bitfield providing information about the device.
846 * Returns 1 if end device.
849 _scsih_is_end_device(u32 device_info)
851 if (device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE &&
852 ((device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) |
853 (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) |
854 (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)))
861 * _scsih_scsi_lookup_get - returns scmd entry
862 * @ioc: per adapter object
863 * @smid: system request message index
865 * Returns the smid stored scmd pointer.
867 static struct scsi_cmnd *
868 _scsih_scsi_lookup_get(struct MPT2SAS_ADAPTER *ioc, u16 smid)
870 return ioc->scsi_lookup[smid - 1].scmd;
874 * _scsih_scsi_lookup_get_clear - returns scmd entry
875 * @ioc: per adapter object
876 * @smid: system request message index
878 * Returns the smid stored scmd pointer.
879 * Then will derefrence the stored scmd pointer.
881 static inline struct scsi_cmnd *
882 _scsih_scsi_lookup_get_clear(struct MPT2SAS_ADAPTER *ioc, u16 smid)
885 struct scsi_cmnd *scmd;
887 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
888 scmd = ioc->scsi_lookup[smid - 1].scmd;
889 ioc->scsi_lookup[smid - 1].scmd = NULL;
890 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
896 * _scsih_scsi_lookup_find_by_scmd - scmd lookup
897 * @ioc: per adapter object
898 * @smid: system request message index
899 * @scmd: pointer to scsi command object
900 * Context: This function will acquire ioc->scsi_lookup_lock.
902 * This will search for a scmd pointer in the scsi_lookup array,
903 * returning the revelent smid. A returned value of zero means invalid.
906 _scsih_scsi_lookup_find_by_scmd(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd
913 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
915 for (i = 0; i < ioc->scsiio_depth; i++) {
916 if (ioc->scsi_lookup[i].scmd == scmd) {
917 smid = ioc->scsi_lookup[i].smid;
922 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
927 * _scsih_scsi_lookup_find_by_target - search for matching channel:id
928 * @ioc: per adapter object
931 * Context: This function will acquire ioc->scsi_lookup_lock.
933 * This will search for a matching channel:id in the scsi_lookup array,
934 * returning 1 if found.
937 _scsih_scsi_lookup_find_by_target(struct MPT2SAS_ADAPTER *ioc, int id,
944 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
946 for (i = 0 ; i < ioc->scsiio_depth; i++) {
947 if (ioc->scsi_lookup[i].scmd &&
948 (ioc->scsi_lookup[i].scmd->device->id == id &&
949 ioc->scsi_lookup[i].scmd->device->channel == channel)) {
955 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
960 * _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun
961 * @ioc: per adapter object
965 * Context: This function will acquire ioc->scsi_lookup_lock.
967 * This will search for a matching channel:id:lun in the scsi_lookup array,
968 * returning 1 if found.
971 _scsih_scsi_lookup_find_by_lun(struct MPT2SAS_ADAPTER *ioc, int id,
972 unsigned int lun, int channel)
978 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
980 for (i = 0 ; i < ioc->scsiio_depth; i++) {
981 if (ioc->scsi_lookup[i].scmd &&
982 (ioc->scsi_lookup[i].scmd->device->id == id &&
983 ioc->scsi_lookup[i].scmd->device->channel == channel &&
984 ioc->scsi_lookup[i].scmd->device->lun == lun)) {
990 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
995 * _scsih_get_chain_buffer_tracker - obtain chain tracker
996 * @ioc: per adapter object
997 * @smid: smid associated to an IO request
999 * Returns chain tracker(from ioc->free_chain_list)
1001 static struct chain_tracker *
1002 _scsih_get_chain_buffer_tracker(struct MPT2SAS_ADAPTER *ioc, u16 smid)
1004 struct chain_tracker *chain_req;
1005 unsigned long flags;
1007 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1008 if (list_empty(&ioc->free_chain_list)) {
1009 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1010 dfailprintk(ioc, printk(MPT2SAS_WARN_FMT "chain buffers not "
1011 "available\n", ioc->name));
1014 chain_req = list_entry(ioc->free_chain_list.next,
1015 struct chain_tracker, tracker_list);
1016 list_del_init(&chain_req->tracker_list);
1017 list_add_tail(&chain_req->tracker_list,
1018 &ioc->scsi_lookup[smid - 1].chain_list);
1019 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1024 * _scsih_build_scatter_gather - main sg creation routine
1025 * @ioc: per adapter object
1026 * @scmd: scsi command
1027 * @smid: system request message index
1030 * The main routine that builds scatter gather table from a given
1031 * scsi request sent via the .queuecommand main handler.
1033 * Returns 0 success, anything else error
1036 _scsih_build_scatter_gather(struct MPT2SAS_ADAPTER *ioc,
1037 struct scsi_cmnd *scmd, u16 smid)
1039 Mpi2SCSIIORequest_t *mpi_request;
1040 dma_addr_t chain_dma;
1041 struct scatterlist *sg_scmd;
1042 void *sg_local, *chain;
1047 u32 sges_in_segment;
1049 u32 sgl_flags_last_element;
1050 u32 sgl_flags_end_buffer;
1051 struct chain_tracker *chain_req;
1053 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
1055 /* init scatter gather flags */
1056 sgl_flags = MPI2_SGE_FLAGS_SIMPLE_ELEMENT;
1057 if (scmd->sc_data_direction == DMA_TO_DEVICE)
1058 sgl_flags |= MPI2_SGE_FLAGS_HOST_TO_IOC;
1059 sgl_flags_last_element = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT)
1060 << MPI2_SGE_FLAGS_SHIFT;
1061 sgl_flags_end_buffer = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT |
1062 MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST)
1063 << MPI2_SGE_FLAGS_SHIFT;
1064 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
1066 sg_scmd = scsi_sglist(scmd);
1067 sges_left = scsi_dma_map(scmd);
1068 if (sges_left < 0) {
1069 sdev_printk(KERN_ERR, scmd->device, "pci_map_sg"
1070 " failed: request for %d bytes!\n", scsi_bufflen(scmd));
1074 sg_local = &mpi_request->SGL;
1075 sges_in_segment = ioc->max_sges_in_main_message;
1076 if (sges_left <= sges_in_segment)
1077 goto fill_in_last_segment;
1079 mpi_request->ChainOffset = (offsetof(Mpi2SCSIIORequest_t, SGL) +
1080 (sges_in_segment * ioc->sge_size))/4;
1082 /* fill in main message segment when there is a chain following */
1083 while (sges_in_segment) {
1084 if (sges_in_segment == 1)
1085 ioc->base_add_sg_single(sg_local,
1086 sgl_flags_last_element | sg_dma_len(sg_scmd),
1087 sg_dma_address(sg_scmd));
1089 ioc->base_add_sg_single(sg_local, sgl_flags |
1090 sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
1091 sg_scmd = sg_next(sg_scmd);
1092 sg_local += ioc->sge_size;
1097 /* initializing the chain flags and pointers */
1098 chain_flags = MPI2_SGE_FLAGS_CHAIN_ELEMENT << MPI2_SGE_FLAGS_SHIFT;
1099 chain_req = _scsih_get_chain_buffer_tracker(ioc, smid);
1102 chain = chain_req->chain_buffer;
1103 chain_dma = chain_req->chain_buffer_dma;
1105 sges_in_segment = (sges_left <=
1106 ioc->max_sges_in_chain_message) ? sges_left :
1107 ioc->max_sges_in_chain_message;
1108 chain_offset = (sges_left == sges_in_segment) ?
1109 0 : (sges_in_segment * ioc->sge_size)/4;
1110 chain_length = sges_in_segment * ioc->sge_size;
1112 chain_offset = chain_offset <<
1113 MPI2_SGE_CHAIN_OFFSET_SHIFT;
1114 chain_length += ioc->sge_size;
1116 ioc->base_add_sg_single(sg_local, chain_flags | chain_offset |
1117 chain_length, chain_dma);
1120 goto fill_in_last_segment;
1122 /* fill in chain segments */
1123 while (sges_in_segment) {
1124 if (sges_in_segment == 1)
1125 ioc->base_add_sg_single(sg_local,
1126 sgl_flags_last_element |
1127 sg_dma_len(sg_scmd),
1128 sg_dma_address(sg_scmd));
1130 ioc->base_add_sg_single(sg_local, sgl_flags |
1131 sg_dma_len(sg_scmd),
1132 sg_dma_address(sg_scmd));
1133 sg_scmd = sg_next(sg_scmd);
1134 sg_local += ioc->sge_size;
1139 chain_req = _scsih_get_chain_buffer_tracker(ioc, smid);
1142 chain = chain_req->chain_buffer;
1143 chain_dma = chain_req->chain_buffer_dma;
1147 fill_in_last_segment:
1149 /* fill the last segment */
1152 ioc->base_add_sg_single(sg_local, sgl_flags_end_buffer |
1153 sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
1155 ioc->base_add_sg_single(sg_local, sgl_flags |
1156 sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
1157 sg_scmd = sg_next(sg_scmd);
1158 sg_local += ioc->sge_size;
1166 * _scsih_adjust_queue_depth - setting device queue depth
1167 * @sdev: scsi device struct
1168 * @qdepth: requested queue depth
1174 _scsih_adjust_queue_depth(struct scsi_device *sdev, int qdepth)
1176 struct Scsi_Host *shost = sdev->host;
1178 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
1179 struct MPT2SAS_DEVICE *sas_device_priv_data;
1180 struct MPT2SAS_TARGET *sas_target_priv_data;
1181 struct _sas_device *sas_device;
1182 unsigned long flags;
1184 max_depth = shost->can_queue;
1186 /* limit max device queue for SATA to 32 */
1187 sas_device_priv_data = sdev->hostdata;
1188 if (!sas_device_priv_data)
1190 sas_target_priv_data = sas_device_priv_data->sas_target;
1191 if (!sas_target_priv_data)
1193 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))
1195 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1196 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
1197 sas_device_priv_data->sas_target->sas_address);
1198 if (sas_device && sas_device->device_info &
1199 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
1200 max_depth = MPT2SAS_SATA_QUEUE_DEPTH;
1201 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1205 if (!sdev->tagged_supported)
1207 if (qdepth > max_depth)
1209 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1213 * _scsih_change_queue_depth - setting device queue depth
1214 * @sdev: scsi device struct
1215 * @qdepth: requested queue depth
1216 * @reason: SCSI_QDEPTH_DEFAULT/SCSI_QDEPTH_QFULL/SCSI_QDEPTH_RAMP_UP
1217 * (see include/scsi/scsi_host.h for definition)
1219 * Returns queue depth.
1222 _scsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
1224 if (reason == SCSI_QDEPTH_DEFAULT || reason == SCSI_QDEPTH_RAMP_UP)
1225 _scsih_adjust_queue_depth(sdev, qdepth);
1226 else if (reason == SCSI_QDEPTH_QFULL)
1227 scsi_track_queue_full(sdev, qdepth);
1231 if (sdev->inquiry_len > 7)
1232 sdev_printk(KERN_INFO, sdev, "qdepth(%d), tagged(%d), "
1233 "simple(%d), ordered(%d), scsi_level(%d), cmd_que(%d)\n",
1234 sdev->queue_depth, sdev->tagged_supported, sdev->simple_tags,
1235 sdev->ordered_tags, sdev->scsi_level,
1236 (sdev->inquiry[7] & 2) >> 1);
1238 return sdev->queue_depth;
1242 * _scsih_change_queue_type - changing device queue tag type
1243 * @sdev: scsi device struct
1244 * @tag_type: requested tag type
1246 * Returns queue tag type.
1249 _scsih_change_queue_type(struct scsi_device *sdev, int tag_type)
1251 if (sdev->tagged_supported) {
1252 scsi_set_tag_type(sdev, tag_type);
1254 scsi_activate_tcq(sdev, sdev->queue_depth);
1256 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1264 * _scsih_target_alloc - target add routine
1265 * @starget: scsi target struct
1267 * Returns 0 if ok. Any other return is assumed to be an error and
1268 * the device is ignored.
1271 _scsih_target_alloc(struct scsi_target *starget)
1273 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
1274 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
1275 struct MPT2SAS_TARGET *sas_target_priv_data;
1276 struct _sas_device *sas_device;
1277 struct _raid_device *raid_device;
1278 unsigned long flags;
1279 struct sas_rphy *rphy;
1281 sas_target_priv_data = kzalloc(sizeof(struct scsi_target), GFP_KERNEL);
1282 if (!sas_target_priv_data)
1285 starget->hostdata = sas_target_priv_data;
1286 sas_target_priv_data->starget = starget;
1287 sas_target_priv_data->handle = MPT2SAS_INVALID_DEVICE_HANDLE;
1290 if (starget->channel == RAID_CHANNEL) {
1291 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1292 raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
1295 sas_target_priv_data->handle = raid_device->handle;
1296 sas_target_priv_data->sas_address = raid_device->wwid;
1297 sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME;
1298 if (ioc->is_warpdrive)
1299 sas_target_priv_data->raid_device = raid_device;
1300 raid_device->starget = starget;
1302 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1306 /* sas/sata devices */
1307 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1308 rphy = dev_to_rphy(starget->dev.parent);
1309 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
1310 rphy->identify.sas_address);
1313 sas_target_priv_data->handle = sas_device->handle;
1314 sas_target_priv_data->sas_address = sas_device->sas_address;
1315 sas_device->starget = starget;
1316 sas_device->id = starget->id;
1317 sas_device->channel = starget->channel;
1318 if (test_bit(sas_device->handle, ioc->pd_handles))
1319 sas_target_priv_data->flags |=
1320 MPT_TARGET_FLAGS_RAID_COMPONENT;
1322 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1328 * _scsih_target_destroy - target destroy routine
1329 * @starget: scsi target struct
1334 _scsih_target_destroy(struct scsi_target *starget)
1336 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
1337 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
1338 struct MPT2SAS_TARGET *sas_target_priv_data;
1339 struct _sas_device *sas_device;
1340 struct _raid_device *raid_device;
1341 unsigned long flags;
1342 struct sas_rphy *rphy;
1344 sas_target_priv_data = starget->hostdata;
1345 if (!sas_target_priv_data)
1348 if (starget->channel == RAID_CHANNEL) {
1349 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1350 raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
1353 raid_device->starget = NULL;
1354 raid_device->sdev = NULL;
1356 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1360 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1361 rphy = dev_to_rphy(starget->dev.parent);
1362 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
1363 rphy->identify.sas_address);
1364 if (sas_device && (sas_device->starget == starget) &&
1365 (sas_device->id == starget->id) &&
1366 (sas_device->channel == starget->channel))
1367 sas_device->starget = NULL;
1369 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1372 kfree(sas_target_priv_data);
1373 starget->hostdata = NULL;
1377 * _scsih_slave_alloc - device add routine
1378 * @sdev: scsi device struct
1380 * Returns 0 if ok. Any other return is assumed to be an error and
1381 * the device is ignored.
1384 _scsih_slave_alloc(struct scsi_device *sdev)
1386 struct Scsi_Host *shost;
1387 struct MPT2SAS_ADAPTER *ioc;
1388 struct MPT2SAS_TARGET *sas_target_priv_data;
1389 struct MPT2SAS_DEVICE *sas_device_priv_data;
1390 struct scsi_target *starget;
1391 struct _raid_device *raid_device;
1392 unsigned long flags;
1394 sas_device_priv_data = kzalloc(sizeof(struct scsi_device), GFP_KERNEL);
1395 if (!sas_device_priv_data)
1398 sas_device_priv_data->lun = sdev->lun;
1399 sas_device_priv_data->flags = MPT_DEVICE_FLAGS_INIT;
1401 starget = scsi_target(sdev);
1402 sas_target_priv_data = starget->hostdata;
1403 sas_target_priv_data->num_luns++;
1404 sas_device_priv_data->sas_target = sas_target_priv_data;
1405 sdev->hostdata = sas_device_priv_data;
1406 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT))
1407 sdev->no_uld_attach = 1;
1409 shost = dev_to_shost(&starget->dev);
1410 ioc = shost_priv(shost);
1411 if (starget->channel == RAID_CHANNEL) {
1412 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1413 raid_device = _scsih_raid_device_find_by_id(ioc,
1414 starget->id, starget->channel);
1416 raid_device->sdev = sdev; /* raid is single lun */
1417 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1424 * _scsih_slave_destroy - device destroy routine
1425 * @sdev: scsi device struct
1430 _scsih_slave_destroy(struct scsi_device *sdev)
1432 struct MPT2SAS_TARGET *sas_target_priv_data;
1433 struct scsi_target *starget;
1434 struct Scsi_Host *shost;
1435 struct MPT2SAS_ADAPTER *ioc;
1436 struct _sas_device *sas_device;
1437 unsigned long flags;
1439 if (!sdev->hostdata)
1442 starget = scsi_target(sdev);
1443 sas_target_priv_data = starget->hostdata;
1444 sas_target_priv_data->num_luns--;
1446 shost = dev_to_shost(&starget->dev);
1447 ioc = shost_priv(shost);
1449 if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) {
1450 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1451 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
1452 sas_target_priv_data->sas_address);
1453 if (sas_device && !sas_target_priv_data->num_luns)
1454 sas_device->starget = NULL;
1455 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1458 kfree(sdev->hostdata);
1459 sdev->hostdata = NULL;
1463 * _scsih_display_sata_capabilities - sata capabilities
1464 * @ioc: per adapter object
1465 * @handle: device handle
1466 * @sdev: scsi device struct
1469 _scsih_display_sata_capabilities(struct MPT2SAS_ADAPTER *ioc,
1470 u16 handle, struct scsi_device *sdev)
1472 Mpi2ConfigReply_t mpi_reply;
1473 Mpi2SasDevicePage0_t sas_device_pg0;
1478 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
1479 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
1480 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1481 ioc->name, __FILE__, __LINE__, __func__);
1485 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
1486 MPI2_IOCSTATUS_MASK;
1487 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
1488 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1489 ioc->name, __FILE__, __LINE__, __func__);
1493 flags = le16_to_cpu(sas_device_pg0.Flags);
1494 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
1496 sdev_printk(KERN_INFO, sdev,
1497 "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), "
1498 "sw_preserve(%s)\n",
1499 (device_info & MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? "y" : "n",
1500 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED) ? "y" : "n",
1501 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY) ? "y" :
1503 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED) ? "y" : "n",
1504 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED) ? "y" : "n",
1505 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE) ? "y" : "n");
1509 * _scsih_is_raid - return boolean indicating device is raid volume
1510 * @dev the device struct object
1513 _scsih_is_raid(struct device *dev)
1515 struct scsi_device *sdev = to_scsi_device(dev);
1516 struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host);
1518 if (ioc->is_warpdrive)
1520 return (sdev->channel == RAID_CHANNEL) ? 1 : 0;
1524 * _scsih_get_resync - get raid volume resync percent complete
1525 * @dev the device struct object
1528 _scsih_get_resync(struct device *dev)
1530 struct scsi_device *sdev = to_scsi_device(dev);
1531 struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host);
1532 static struct _raid_device *raid_device;
1533 unsigned long flags;
1534 Mpi2RaidVolPage0_t vol_pg0;
1535 Mpi2ConfigReply_t mpi_reply;
1536 u32 volume_status_flags;
1537 u8 percent_complete;
1540 percent_complete = 0;
1542 if (ioc->is_warpdrive)
1545 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1546 raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id,
1549 handle = raid_device->handle;
1550 percent_complete = raid_device->percent_complete;
1552 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1557 if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0,
1558 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
1559 sizeof(Mpi2RaidVolPage0_t))) {
1560 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1561 ioc->name, __FILE__, __LINE__, __func__);
1562 percent_complete = 0;
1566 volume_status_flags = le32_to_cpu(vol_pg0.VolumeStatusFlags);
1567 if (!(volume_status_flags &
1568 MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS))
1569 percent_complete = 0;
1572 raid_set_resync(mpt2sas_raid_template, dev, percent_complete);
1576 * _scsih_get_state - get raid volume level
1577 * @dev the device struct object
1580 _scsih_get_state(struct device *dev)
1582 struct scsi_device *sdev = to_scsi_device(dev);
1583 struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host);
1584 static struct _raid_device *raid_device;
1585 unsigned long flags;
1586 Mpi2RaidVolPage0_t vol_pg0;
1587 Mpi2ConfigReply_t mpi_reply;
1589 enum raid_state state = RAID_STATE_UNKNOWN;
1592 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1593 raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id,
1596 handle = raid_device->handle;
1597 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1602 if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0,
1603 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
1604 sizeof(Mpi2RaidVolPage0_t))) {
1605 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1606 ioc->name, __FILE__, __LINE__, __func__);
1610 volstate = le32_to_cpu(vol_pg0.VolumeStatusFlags);
1611 if (volstate & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) {
1612 state = RAID_STATE_RESYNCING;
1616 switch (vol_pg0.VolumeState) {
1617 case MPI2_RAID_VOL_STATE_OPTIMAL:
1618 case MPI2_RAID_VOL_STATE_ONLINE:
1619 state = RAID_STATE_ACTIVE;
1621 case MPI2_RAID_VOL_STATE_DEGRADED:
1622 state = RAID_STATE_DEGRADED;
1624 case MPI2_RAID_VOL_STATE_FAILED:
1625 case MPI2_RAID_VOL_STATE_MISSING:
1626 state = RAID_STATE_OFFLINE;
1630 raid_set_state(mpt2sas_raid_template, dev, state);
1634 * _scsih_set_level - set raid level
1635 * @sdev: scsi device struct
1636 * @volume_type: volume type
1639 _scsih_set_level(struct scsi_device *sdev, u8 volume_type)
1641 enum raid_level level = RAID_LEVEL_UNKNOWN;
1643 switch (volume_type) {
1644 case MPI2_RAID_VOL_TYPE_RAID0:
1645 level = RAID_LEVEL_0;
1647 case MPI2_RAID_VOL_TYPE_RAID10:
1648 level = RAID_LEVEL_10;
1650 case MPI2_RAID_VOL_TYPE_RAID1E:
1651 level = RAID_LEVEL_1E;
1653 case MPI2_RAID_VOL_TYPE_RAID1:
1654 level = RAID_LEVEL_1;
1658 raid_set_level(mpt2sas_raid_template, &sdev->sdev_gendev, level);
1662 * _scsih_get_volume_capabilities - volume capabilities
1663 * @ioc: per adapter object
1664 * @sas_device: the raid_device object
1666 * Returns 0 for success, else 1
1669 _scsih_get_volume_capabilities(struct MPT2SAS_ADAPTER *ioc,
1670 struct _raid_device *raid_device)
1672 Mpi2RaidVolPage0_t *vol_pg0;
1673 Mpi2RaidPhysDiskPage0_t pd_pg0;
1674 Mpi2SasDevicePage0_t sas_device_pg0;
1675 Mpi2ConfigReply_t mpi_reply;
1679 if ((mpt2sas_config_get_number_pds(ioc, raid_device->handle,
1680 &num_pds)) || !num_pds) {
1681 dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
1682 "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
1687 raid_device->num_pds = num_pds;
1688 sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds *
1689 sizeof(Mpi2RaidVol0PhysDisk_t));
1690 vol_pg0 = kzalloc(sz, GFP_KERNEL);
1692 dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
1693 "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
1698 if ((mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0,
1699 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) {
1700 dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
1701 "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
1707 raid_device->volume_type = vol_pg0->VolumeType;
1709 /* figure out what the underlying devices are by
1710 * obtaining the device_info bits for the 1st device
1712 if (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
1713 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM,
1714 vol_pg0->PhysDisk[0].PhysDiskNum))) {
1715 if (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
1716 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
1717 le16_to_cpu(pd_pg0.DevHandle)))) {
1718 raid_device->device_info =
1719 le32_to_cpu(sas_device_pg0.DeviceInfo);
1727 * _scsih_disable_ddio - Disable direct I/O for all the volumes
1728 * @ioc: per adapter object
1731 _scsih_disable_ddio(struct MPT2SAS_ADAPTER *ioc)
1733 Mpi2RaidVolPage1_t vol_pg1;
1734 Mpi2ConfigReply_t mpi_reply;
1735 struct _raid_device *raid_device;
1738 unsigned long flags;
1741 while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
1742 &vol_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
1743 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
1744 MPI2_IOCSTATUS_MASK;
1745 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
1747 handle = le16_to_cpu(vol_pg1.DevHandle);
1748 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1749 raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
1751 raid_device->direct_io_enabled = 0;
1752 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1759 * _scsih_get_num_volumes - Get number of volumes in the ioc
1760 * @ioc: per adapter object
1763 _scsih_get_num_volumes(struct MPT2SAS_ADAPTER *ioc)
1765 Mpi2RaidVolPage1_t vol_pg1;
1766 Mpi2ConfigReply_t mpi_reply;
1772 while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
1773 &vol_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
1774 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
1775 MPI2_IOCSTATUS_MASK;
1776 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
1779 handle = le16_to_cpu(vol_pg1.DevHandle);
1786 * _scsih_init_warpdrive_properties - Set properties for warpdrive direct I/O.
1787 * @ioc: per adapter object
1788 * @raid_device: the raid_device object
1791 _scsih_init_warpdrive_properties(struct MPT2SAS_ADAPTER *ioc,
1792 struct _raid_device *raid_device)
1794 Mpi2RaidVolPage0_t *vol_pg0;
1795 Mpi2RaidPhysDiskPage0_t pd_pg0;
1796 Mpi2ConfigReply_t mpi_reply;
1799 unsigned long stripe_sz, block_sz;
1800 u8 stripe_exp, block_exp;
1803 if (!ioc->is_warpdrive)
1806 if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_EXPOSE_ALL_DISKS) {
1807 printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
1808 "globally as drives are exposed\n", ioc->name);
1811 if (_scsih_get_num_volumes(ioc) > 1) {
1812 _scsih_disable_ddio(ioc);
1813 printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
1814 "globally as number of drives > 1\n", ioc->name);
1817 if ((mpt2sas_config_get_number_pds(ioc, raid_device->handle,
1818 &num_pds)) || !num_pds) {
1819 printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
1820 "Failure in computing number of drives\n", ioc->name);
1824 sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds *
1825 sizeof(Mpi2RaidVol0PhysDisk_t));
1826 vol_pg0 = kzalloc(sz, GFP_KERNEL);
1828 printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
1829 "Memory allocation failure for RVPG0\n", ioc->name);
1833 if ((mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0,
1834 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) {
1835 printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
1836 "Failure in retrieving RVPG0\n", ioc->name);
1842 * WARPDRIVE:If number of physical disks in a volume exceeds the max pds
1843 * assumed for WARPDRIVE, disable direct I/O
1845 if (num_pds > MPT_MAX_WARPDRIVE_PDS) {
1846 printk(MPT2SAS_WARN_FMT "WarpDrive : Direct IO is disabled "
1847 "for the drive with handle(0x%04x): num_mem=%d, "
1848 "max_mem_allowed=%d\n", ioc->name, raid_device->handle,
1849 num_pds, MPT_MAX_WARPDRIVE_PDS);
1853 for (count = 0; count < num_pds; count++) {
1854 if (mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
1855 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM,
1856 vol_pg0->PhysDisk[count].PhysDiskNum) ||
1857 le16_to_cpu(pd_pg0.DevHandle) ==
1858 MPT2SAS_INVALID_DEVICE_HANDLE) {
1859 printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is "
1860 "disabled for the drive with handle(0x%04x) member"
1861 "handle retrieval failed for member number=%d\n",
1862 ioc->name, raid_device->handle,
1863 vol_pg0->PhysDisk[count].PhysDiskNum);
1866 /* Disable direct I/O if member drive lba exceeds 4 bytes */
1867 dev_max_lba = le64_to_cpu(pd_pg0.DeviceMaxLBA);
1868 if (dev_max_lba >> 32) {
1869 printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is "
1870 "disabled for the drive with handle(0x%04x) member"
1871 "handle (0x%04x) unsupported max lba 0x%016llx\n",
1872 ioc->name, raid_device->handle,
1873 le16_to_cpu(pd_pg0.DevHandle),
1874 (unsigned long long)dev_max_lba);
1878 raid_device->pd_handle[count] = le16_to_cpu(pd_pg0.DevHandle);
1882 * Assumption for WD: Direct I/O is not supported if the volume is
1885 if (raid_device->volume_type != MPI2_RAID_VOL_TYPE_RAID0) {
1886 printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
1887 "for the drive with handle(0x%04x): type=%d, "
1888 "s_sz=%uK, blk_size=%u\n", ioc->name,
1889 raid_device->handle, raid_device->volume_type,
1890 (le32_to_cpu(vol_pg0->StripeSize) *
1891 le16_to_cpu(vol_pg0->BlockSize)) / 1024,
1892 le16_to_cpu(vol_pg0->BlockSize));
1896 stripe_sz = le32_to_cpu(vol_pg0->StripeSize);
1897 stripe_exp = find_first_bit(&stripe_sz, 32);
1898 if (stripe_exp == 32) {
1899 printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
1900 "for the drive with handle(0x%04x) invalid stripe sz %uK\n",
1901 ioc->name, raid_device->handle,
1902 (le32_to_cpu(vol_pg0->StripeSize) *
1903 le16_to_cpu(vol_pg0->BlockSize)) / 1024);
1906 raid_device->stripe_exponent = stripe_exp;
1907 block_sz = le16_to_cpu(vol_pg0->BlockSize);
1908 block_exp = find_first_bit(&block_sz, 16);
1909 if (block_exp == 16) {
1910 printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
1911 "for the drive with handle(0x%04x) invalid block sz %u\n",
1912 ioc->name, raid_device->handle,
1913 le16_to_cpu(vol_pg0->BlockSize));
1916 raid_device->block_exponent = block_exp;
1917 raid_device->direct_io_enabled = 1;
1919 printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is Enabled for the drive"
1920 " with handle(0x%04x)\n", ioc->name, raid_device->handle);
1922 * WARPDRIVE: Though the following fields are not used for direct IO,
1923 * stored for future purpose:
1925 raid_device->max_lba = le64_to_cpu(vol_pg0->MaxLBA);
1926 raid_device->stripe_sz = le32_to_cpu(vol_pg0->StripeSize);
1927 raid_device->block_sz = le16_to_cpu(vol_pg0->BlockSize);
1934 raid_device->direct_io_enabled = 0;
1935 for (count = 0; count < num_pds; count++)
1936 raid_device->pd_handle[count] = 0;
1942 * _scsih_enable_tlr - setting TLR flags
1943 * @ioc: per adapter object
1944 * @sdev: scsi device struct
1946 * Enabling Transaction Layer Retries for tape devices when
1947 * vpd page 0x90 is present
1951 _scsih_enable_tlr(struct MPT2SAS_ADAPTER *ioc, struct scsi_device *sdev)
1954 if (sdev->type != TYPE_TAPE)
1957 if (!(ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR))
1960 sas_enable_tlr(sdev);
1961 sdev_printk(KERN_INFO, sdev, "TLR %s\n",
1962 sas_is_tlr_enabled(sdev) ? "Enabled" : "Disabled");
1968 * _scsih_slave_configure - device configure routine.
1969 * @sdev: scsi device struct
1971 * Returns 0 if ok. Any other return is assumed to be an error and
1972 * the device is ignored.
1975 _scsih_slave_configure(struct scsi_device *sdev)
1977 struct Scsi_Host *shost = sdev->host;
1978 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
1979 struct MPT2SAS_DEVICE *sas_device_priv_data;
1980 struct MPT2SAS_TARGET *sas_target_priv_data;
1981 struct _sas_device *sas_device;
1982 struct _raid_device *raid_device;
1983 unsigned long flags;
1988 u16 handle, volume_handle = 0;
1989 u64 volume_wwid = 0;
1992 sas_device_priv_data = sdev->hostdata;
1993 sas_device_priv_data->configured_lun = 1;
1994 sas_device_priv_data->flags &= ~MPT_DEVICE_FLAGS_INIT;
1995 sas_target_priv_data = sas_device_priv_data->sas_target;
1996 handle = sas_target_priv_data->handle;
1998 /* raid volume handling */
1999 if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME) {
2001 spin_lock_irqsave(&ioc->raid_device_lock, flags);
2002 raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
2003 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
2005 dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
2006 "failure at %s:%d/%s()!\n", ioc->name, __FILE__,
2007 __LINE__, __func__));
2011 if (_scsih_get_volume_capabilities(ioc, raid_device)) {
2012 dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
2013 "failure at %s:%d/%s()!\n", ioc->name, __FILE__,
2014 __LINE__, __func__));
2018 * WARPDRIVE: Initialize the required data for Direct IO
2020 _scsih_init_warpdrive_properties(ioc, raid_device);
2022 /* RAID Queue Depth Support
2023 * IS volume = underlying qdepth of drive type, either
2024 * MPT2SAS_SAS_QUEUE_DEPTH or MPT2SAS_SATA_QUEUE_DEPTH
2025 * IM/IME/R10 = 128 (MPT2SAS_RAID_QUEUE_DEPTH)
2027 if (raid_device->device_info &
2028 MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
2029 qdepth = MPT2SAS_SAS_QUEUE_DEPTH;
2032 qdepth = MPT2SAS_SATA_QUEUE_DEPTH;
2033 if (raid_device->device_info &
2034 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
2040 switch (raid_device->volume_type) {
2041 case MPI2_RAID_VOL_TYPE_RAID0:
2044 case MPI2_RAID_VOL_TYPE_RAID1E:
2045 qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
2046 if (ioc->manu_pg10.OEMIdentifier &&
2047 (le32_to_cpu(ioc->manu_pg10.GenericFlags0) &
2048 MFG10_GF0_R10_DISPLAY) &&
2049 !(raid_device->num_pds % 2))
2054 case MPI2_RAID_VOL_TYPE_RAID1:
2055 qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
2058 case MPI2_RAID_VOL_TYPE_RAID10:
2059 qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
2062 case MPI2_RAID_VOL_TYPE_UNKNOWN:
2064 qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
2069 if (!ioc->hide_ir_msg)
2070 sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), "
2071 "wwid(0x%016llx), pd_count(%d), type(%s)\n",
2072 r_level, raid_device->handle,
2073 (unsigned long long)raid_device->wwid,
2074 raid_device->num_pds, ds);
2075 _scsih_change_queue_depth(sdev, qdepth, SCSI_QDEPTH_DEFAULT);
2076 /* raid transport support */
2077 if (!ioc->is_warpdrive)
2078 _scsih_set_level(sdev, raid_device->volume_type);
2082 /* non-raid handling */
2083 if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
2084 if (mpt2sas_config_get_volume_handle(ioc, handle,
2086 dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
2087 "failure at %s:%d/%s()!\n", ioc->name,
2088 __FILE__, __LINE__, __func__));
2091 if (volume_handle && mpt2sas_config_get_volume_wwid(ioc,
2092 volume_handle, &volume_wwid)) {
2093 dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
2094 "failure at %s:%d/%s()!\n", ioc->name,
2095 __FILE__, __LINE__, __func__));
2100 spin_lock_irqsave(&ioc->sas_device_lock, flags);
2101 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
2102 sas_device_priv_data->sas_target->sas_address);
2104 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2105 dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
2106 "failure at %s:%d/%s()!\n", ioc->name, __FILE__,
2107 __LINE__, __func__));
2110 sas_device->volume_handle = volume_handle;
2111 sas_device->volume_wwid = volume_wwid;
2112 if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
2113 qdepth = MPT2SAS_SAS_QUEUE_DEPTH;
2117 qdepth = MPT2SAS_SATA_QUEUE_DEPTH;
2118 if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET)
2120 else if (sas_device->device_info &
2121 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
2124 sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), "
2125 "sas_addr(0x%016llx), phy(%d), device_name(0x%016llx)\n",
2126 ds, sas_device->handle,
2127 (unsigned long long)sas_device->sas_address,
2129 (unsigned long long)sas_device->device_name);
2130 sdev_printk(KERN_INFO, sdev, "%s: "
2131 "enclosure_logical_id(0x%016llx), slot(%d)\n", ds,
2132 (unsigned long long) sas_device->enclosure_logical_id,
2135 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2137 _scsih_display_sata_capabilities(ioc, handle, sdev);
2140 _scsih_change_queue_depth(sdev, qdepth, SCSI_QDEPTH_DEFAULT);
2143 sas_read_port_mode_page(sdev);
2144 _scsih_enable_tlr(ioc, sdev);
2150 * _scsih_bios_param - fetch head, sector, cylinder info for a disk
2151 * @sdev: scsi device struct
2152 * @bdev: pointer to block device context
2153 * @capacity: device size (in 512 byte sectors)
2154 * @params: three element array to place output:
2155 * params[0] number of heads (max 255)
2156 * params[1] number of sectors (max 63)
2157 * params[2] number of cylinders
2162 _scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev,
2163 sector_t capacity, int params[])
2173 dummy = heads * sectors;
2174 cylinders = capacity;
2175 sector_div(cylinders, dummy);
2178 * Handle extended translation size for logical drives
2181 if ((ulong)capacity >= 0x200000) {
2184 dummy = heads * sectors;
2185 cylinders = capacity;
2186 sector_div(cylinders, dummy);
2191 params[1] = sectors;
2192 params[2] = cylinders;
2198 * _scsih_response_code - translation of device response code
2199 * @ioc: per adapter object
2200 * @response_code: response code returned by the device
2205 _scsih_response_code(struct MPT2SAS_ADAPTER *ioc, u8 response_code)
2209 switch (response_code) {
2210 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE:
2211 desc = "task management request completed";
2213 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME:
2214 desc = "invalid frame";
2216 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2217 desc = "task management request not supported";
2219 case MPI2_SCSITASKMGMT_RSP_TM_FAILED:
2220 desc = "task management request failed";
2222 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2223 desc = "task management request succeeded";
2225 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2226 desc = "invalid lun";
2229 desc = "overlapped tag attempted";
2231 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2232 desc = "task queued, however not sent to target";
2238 printk(MPT2SAS_WARN_FMT "response_code(0x%01x): %s\n",
2239 ioc->name, response_code, desc);
2243 * _scsih_tm_done - tm completion routine
2244 * @ioc: per adapter object
2245 * @smid: system request message index
2246 * @msix_index: MSIX table index supplied by the OS
2247 * @reply: reply message frame(lower 32bit addr)
2250 * The callback handler when using scsih_issue_tm.
2252 * Return 1 meaning mf should be freed from _base_interrupt
2253 * 0 means the mf is freed from this function.
2256 _scsih_tm_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
2258 MPI2DefaultReply_t *mpi_reply;
2260 if (ioc->tm_cmds.status == MPT2_CMD_NOT_USED)
2262 if (ioc->tm_cmds.smid != smid)
2264 mpt2sas_base_flush_reply_queues(ioc);
2265 ioc->tm_cmds.status |= MPT2_CMD_COMPLETE;
2266 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
2268 memcpy(ioc->tm_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
2269 ioc->tm_cmds.status |= MPT2_CMD_REPLY_VALID;
2271 ioc->tm_cmds.status &= ~MPT2_CMD_PENDING;
2272 complete(&ioc->tm_cmds.done);
2277 * mpt2sas_scsih_set_tm_flag - set per target tm_busy
2278 * @ioc: per adapter object
2279 * @handle: device handle
2281 * During taskmangement request, we need to freeze the device queue.
2284 mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle)
2286 struct MPT2SAS_DEVICE *sas_device_priv_data;
2287 struct scsi_device *sdev;
2290 shost_for_each_device(sdev, ioc->shost) {
2293 sas_device_priv_data = sdev->hostdata;
2294 if (!sas_device_priv_data)
2296 if (sas_device_priv_data->sas_target->handle == handle) {
2297 sas_device_priv_data->sas_target->tm_busy = 1;
2299 ioc->ignore_loginfos = 1;
2305 * mpt2sas_scsih_clear_tm_flag - clear per target tm_busy
2306 * @ioc: per adapter object
2307 * @handle: device handle
2309 * During taskmangement request, we need to freeze the device queue.
2312 mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle)
2314 struct MPT2SAS_DEVICE *sas_device_priv_data;
2315 struct scsi_device *sdev;
2318 shost_for_each_device(sdev, ioc->shost) {
2321 sas_device_priv_data = sdev->hostdata;
2322 if (!sas_device_priv_data)
2324 if (sas_device_priv_data->sas_target->handle == handle) {
2325 sas_device_priv_data->sas_target->tm_busy = 0;
2327 ioc->ignore_loginfos = 0;
2334 * mpt2sas_scsih_issue_tm - main routine for sending tm requests
2335 * @ioc: per adapter struct
2336 * @device_handle: device handle
2337 * @channel: the channel assigned by the OS
2338 * @id: the id assigned by the OS
2340 * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h)
2341 * @smid_task: smid assigned to the task
2342 * @timeout: timeout in seconds
2343 * @serial_number: the serial_number from scmd
2344 * @m_type: TM_MUTEX_ON or TM_MUTEX_OFF
2347 * A generic API for sending task management requests to firmware.
2349 * The callback index is set inside `ioc->tm_cb_idx`.
2351 * Return SUCCESS or FAILED.
2354 mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint channel,
2355 uint id, uint lun, u8 type, u16 smid_task, ulong timeout,
2356 unsigned long serial_number, enum mutex_type m_type)
2358 Mpi2SCSITaskManagementRequest_t *mpi_request;
2359 Mpi2SCSITaskManagementReply_t *mpi_reply;
2362 unsigned long timeleft;
2363 struct scsiio_tracker *scsi_lookup = NULL;
2366 if (m_type == TM_MUTEX_ON)
2367 mutex_lock(&ioc->tm_cmds.mutex);
2368 if (ioc->tm_cmds.status != MPT2_CMD_NOT_USED) {
2369 printk(MPT2SAS_INFO_FMT "%s: tm_cmd busy!!!\n",
2370 __func__, ioc->name);
2375 if (ioc->shost_recovery || ioc->remove_host ||
2376 ioc->pci_error_recovery) {
2377 printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
2378 __func__, ioc->name);
2383 ioc_state = mpt2sas_base_get_iocstate(ioc, 0);
2384 if (ioc_state & MPI2_DOORBELL_USED) {
2385 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "unexpected doorbell "
2386 "active!\n", ioc->name));
2387 rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2389 rc = (!rc) ? SUCCESS : FAILED;
2393 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
2394 mpt2sas_base_fault_info(ioc, ioc_state &
2395 MPI2_DOORBELL_DATA_MASK);
2396 rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2398 rc = (!rc) ? SUCCESS : FAILED;
2402 smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx);
2404 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
2405 ioc->name, __func__);
2410 if (type == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK)
2411 scsi_lookup = &ioc->scsi_lookup[smid_task - 1];
2413 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "sending tm: handle(0x%04x),"
2414 " task_type(0x%02x), smid(%d)\n", ioc->name, handle, type,
2416 ioc->tm_cmds.status = MPT2_CMD_PENDING;
2417 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
2418 ioc->tm_cmds.smid = smid;
2419 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
2420 memset(ioc->tm_cmds.reply, 0, sizeof(Mpi2SCSITaskManagementReply_t));
2421 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
2422 mpi_request->DevHandle = cpu_to_le16(handle);
2423 mpi_request->TaskType = type;
2424 mpi_request->TaskMID = cpu_to_le16(smid_task);
2425 int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN);
2426 mpt2sas_scsih_set_tm_flag(ioc, handle);
2427 init_completion(&ioc->tm_cmds.done);
2428 mpt2sas_base_put_smid_hi_priority(ioc, smid);
2429 timeleft = wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ);
2430 if (!(ioc->tm_cmds.status & MPT2_CMD_COMPLETE)) {
2431 printk(MPT2SAS_ERR_FMT "%s: timeout\n",
2432 ioc->name, __func__);
2433 _debug_dump_mf(mpi_request,
2434 sizeof(Mpi2SCSITaskManagementRequest_t)/4);
2435 if (!(ioc->tm_cmds.status & MPT2_CMD_RESET)) {
2436 rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2438 rc = (!rc) ? SUCCESS : FAILED;
2439 ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
2440 mpt2sas_scsih_clear_tm_flag(ioc, handle);
2445 if (ioc->tm_cmds.status & MPT2_CMD_REPLY_VALID) {
2446 mpi_reply = ioc->tm_cmds.reply;
2447 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "complete tm: "
2448 "ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n",
2449 ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
2450 le32_to_cpu(mpi_reply->IOCLogInfo),
2451 le32_to_cpu(mpi_reply->TerminationCount)));
2452 if (ioc->logging_level & MPT_DEBUG_TM) {
2453 _scsih_response_code(ioc, mpi_reply->ResponseCode);
2454 if (mpi_reply->IOCStatus)
2455 _debug_dump_mf(mpi_request,
2456 sizeof(Mpi2SCSITaskManagementRequest_t)/4);
2461 case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK:
2463 if (scsi_lookup->scmd == NULL)
2468 case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET:
2469 if (_scsih_scsi_lookup_find_by_target(ioc, id, channel))
2475 case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET:
2476 case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET:
2477 if (_scsih_scsi_lookup_find_by_lun(ioc, id, lun, channel))
2482 case MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK:
2490 mpt2sas_scsih_clear_tm_flag(ioc, handle);
2491 ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
2492 if (m_type == TM_MUTEX_ON)
2493 mutex_unlock(&ioc->tm_cmds.mutex);
2498 if (m_type == TM_MUTEX_ON)
2499 mutex_unlock(&ioc->tm_cmds.mutex);
2504 * _scsih_tm_display_info - displays info about the device
2505 * @ioc: per adapter struct
2506 * @scmd: pointer to scsi command object
2508 * Called by task management callback handlers.
2511 _scsih_tm_display_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd)
2513 struct scsi_target *starget = scmd->device->sdev_target;
2514 struct MPT2SAS_TARGET *priv_target = starget->hostdata;
2515 struct _sas_device *sas_device = NULL;
2516 unsigned long flags;
2517 char *device_str = NULL;
2521 if (ioc->hide_ir_msg)
2522 device_str = "WarpDrive";
2524 device_str = "volume";
2526 scsi_print_command(scmd);
2527 if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) {
2528 starget_printk(KERN_INFO, starget, "%s handle(0x%04x), "
2529 "%s wwid(0x%016llx)\n", device_str, priv_target->handle,
2530 device_str, (unsigned long long)priv_target->sas_address);
2532 spin_lock_irqsave(&ioc->sas_device_lock, flags);
2533 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
2534 priv_target->sas_address);
2536 if (priv_target->flags &
2537 MPT_TARGET_FLAGS_RAID_COMPONENT) {
2538 starget_printk(KERN_INFO, starget,
2539 "volume handle(0x%04x), "
2540 "volume wwid(0x%016llx)\n",
2541 sas_device->volume_handle,
2542 (unsigned long long)sas_device->volume_wwid);
2544 starget_printk(KERN_INFO, starget,
2545 "handle(0x%04x), sas_address(0x%016llx), phy(%d)\n",
2547 (unsigned long long)sas_device->sas_address,
2549 starget_printk(KERN_INFO, starget,
2550 "enclosure_logical_id(0x%016llx), slot(%d)\n",
2551 (unsigned long long)sas_device->enclosure_logical_id,
2554 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2559 * _scsih_abort - eh threads main abort routine
2560 * @scmd: pointer to scsi command object
2562 * Returns SUCCESS if command aborted else FAILED
2565 _scsih_abort(struct scsi_cmnd *scmd)
2567 struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2568 struct MPT2SAS_DEVICE *sas_device_priv_data;
2573 sdev_printk(KERN_INFO, scmd->device, "attempting task abort! "
2574 "scmd(%p)\n", scmd);
2575 _scsih_tm_display_info(ioc, scmd);
2577 sas_device_priv_data = scmd->device->hostdata;
2578 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
2579 sdev_printk(KERN_INFO, scmd->device, "device been deleted! "
2580 "scmd(%p)\n", scmd);
2581 scmd->result = DID_NO_CONNECT << 16;
2582 scmd->scsi_done(scmd);
2587 /* search for the command */
2588 smid = _scsih_scsi_lookup_find_by_scmd(ioc, scmd);
2590 scmd->result = DID_RESET << 16;
2595 /* for hidden raid components and volumes this is not supported */
2596 if (sas_device_priv_data->sas_target->flags &
2597 MPT_TARGET_FLAGS_RAID_COMPONENT ||
2598 sas_device_priv_data->sas_target->flags & MPT_TARGET_FLAGS_VOLUME) {
2599 scmd->result = DID_RESET << 16;
2604 mpt2sas_halt_firmware(ioc);
2606 handle = sas_device_priv_data->sas_target->handle;
2607 r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
2608 scmd->device->id, scmd->device->lun,
2609 MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30,
2610 scmd->serial_number, TM_MUTEX_ON);
2613 sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(%p)\n",
2614 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2619 * _scsih_dev_reset - eh threads main device reset routine
2620 * @scmd: pointer to scsi command object
2622 * Returns SUCCESS if command aborted else FAILED
2625 _scsih_dev_reset(struct scsi_cmnd *scmd)
2627 struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2628 struct MPT2SAS_DEVICE *sas_device_priv_data;
2629 struct _sas_device *sas_device;
2630 unsigned long flags;
2634 struct scsi_target *starget = scmd->device->sdev_target;
2636 starget_printk(KERN_INFO, starget, "attempting device reset! "
2637 "scmd(%p)\n", scmd);
2638 _scsih_tm_display_info(ioc, scmd);
2640 sas_device_priv_data = scmd->device->hostdata;
2641 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
2642 starget_printk(KERN_INFO, starget, "device been deleted! "
2643 "scmd(%p)\n", scmd);
2644 scmd->result = DID_NO_CONNECT << 16;
2645 scmd->scsi_done(scmd);
2650 /* for hidden raid components obtain the volume_handle */
2652 if (sas_device_priv_data->sas_target->flags &
2653 MPT_TARGET_FLAGS_RAID_COMPONENT) {
2654 spin_lock_irqsave(&ioc->sas_device_lock, flags);
2655 sas_device = _scsih_sas_device_find_by_handle(ioc,
2656 sas_device_priv_data->sas_target->handle);
2658 handle = sas_device->volume_handle;
2659 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2661 handle = sas_device_priv_data->sas_target->handle;
2664 scmd->result = DID_RESET << 16;
2669 r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
2670 scmd->device->id, scmd->device->lun,
2671 MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 0, 30, 0,
2675 sdev_printk(KERN_INFO, scmd->device, "device reset: %s scmd(%p)\n",
2676 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2681 * _scsih_target_reset - eh threads main target reset routine
2682 * @scmd: pointer to scsi command object
2684 * Returns SUCCESS if command aborted else FAILED
2687 _scsih_target_reset(struct scsi_cmnd *scmd)
2689 struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2690 struct MPT2SAS_DEVICE *sas_device_priv_data;
2691 struct _sas_device *sas_device;
2692 unsigned long flags;
2695 struct scsi_target *starget = scmd->device->sdev_target;
2697 starget_printk(KERN_INFO, starget, "attempting target reset! "
2698 "scmd(%p)\n", scmd);
2699 _scsih_tm_display_info(ioc, scmd);
2701 sas_device_priv_data = scmd->device->hostdata;
2702 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
2703 starget_printk(KERN_INFO, starget, "target been deleted! "
2704 "scmd(%p)\n", scmd);
2705 scmd->result = DID_NO_CONNECT << 16;
2706 scmd->scsi_done(scmd);
2711 /* for hidden raid components obtain the volume_handle */
2713 if (sas_device_priv_data->sas_target->flags &
2714 MPT_TARGET_FLAGS_RAID_COMPONENT) {
2715 spin_lock_irqsave(&ioc->sas_device_lock, flags);
2716 sas_device = _scsih_sas_device_find_by_handle(ioc,
2717 sas_device_priv_data->sas_target->handle);
2719 handle = sas_device->volume_handle;
2720 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2722 handle = sas_device_priv_data->sas_target->handle;
2725 scmd->result = DID_RESET << 16;
2730 r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
2731 scmd->device->id, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0,
2732 30, 0, TM_MUTEX_ON);
2735 starget_printk(KERN_INFO, starget, "target reset: %s scmd(%p)\n",
2736 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2741 * _scsih_host_reset - eh threads main host reset routine
2742 * @scmd: pointer to scsi command object
2744 * Returns SUCCESS if command aborted else FAILED
2747 _scsih_host_reset(struct scsi_cmnd *scmd)
2749 struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2752 printk(MPT2SAS_INFO_FMT "attempting host reset! scmd(%p)\n",
2754 scsi_print_command(scmd);
2756 retval = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2758 r = (retval < 0) ? FAILED : SUCCESS;
2759 printk(MPT2SAS_INFO_FMT "host reset: %s scmd(%p)\n",
2760 ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2766 * _scsih_fw_event_add - insert and queue up fw_event
2767 * @ioc: per adapter object
2768 * @fw_event: object describing the event
2769 * Context: This function will acquire ioc->fw_event_lock.
2771 * This adds the firmware event object into link list, then queues it up to
2772 * be processed from user context.
2777 _scsih_fw_event_add(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
2779 unsigned long flags;
2781 if (ioc->firmware_event_thread == NULL)
2784 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2785 list_add_tail(&fw_event->list, &ioc->fw_event_list);
2786 INIT_DELAYED_WORK(&fw_event->delayed_work, _firmware_event_work);
2787 queue_delayed_work(ioc->firmware_event_thread,
2788 &fw_event->delayed_work, 0);
2789 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2793 * _scsih_fw_event_free - delete fw_event
2794 * @ioc: per adapter object
2795 * @fw_event: object describing the event
2796 * Context: This function will acquire ioc->fw_event_lock.
2798 * This removes firmware event object from link list, frees associated memory.
2803 _scsih_fw_event_free(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work
2806 unsigned long flags;
2808 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2809 list_del(&fw_event->list);
2810 kfree(fw_event->event_data);
2812 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2817 * _scsih_error_recovery_delete_devices - remove devices not responding
2818 * @ioc: per adapter object
2823 _scsih_error_recovery_delete_devices(struct MPT2SAS_ADAPTER *ioc)
2825 struct fw_event_work *fw_event;
2827 if (ioc->is_driver_loading)
2830 fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC);
2834 fw_event->event = MPT2SAS_REMOVE_UNRESPONDING_DEVICES;
2835 fw_event->ioc = ioc;
2836 _scsih_fw_event_add(ioc, fw_event);
2840 * mpt2sas_port_enable_complete - port enable completed (fake event)
2841 * @ioc: per adapter object
2846 mpt2sas_port_enable_complete(struct MPT2SAS_ADAPTER *ioc)
2848 struct fw_event_work *fw_event;
2850 fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC);
2853 fw_event->event = MPT2SAS_PORT_ENABLE_COMPLETE;
2854 fw_event->ioc = ioc;
2855 _scsih_fw_event_add(ioc, fw_event);
2859 * _scsih_fw_event_cleanup_queue - cleanup event queue
2860 * @ioc: per adapter object
2862 * Walk the firmware event queue, either killing timers, or waiting
2863 * for outstanding events to complete
2868 _scsih_fw_event_cleanup_queue(struct MPT2SAS_ADAPTER *ioc)
2870 struct fw_event_work *fw_event, *next;
2872 if (list_empty(&ioc->fw_event_list) ||
2873 !ioc->firmware_event_thread || in_interrupt())
2876 list_for_each_entry_safe(fw_event, next, &ioc->fw_event_list, list) {
2877 if (cancel_delayed_work(&fw_event->delayed_work)) {
2878 _scsih_fw_event_free(ioc, fw_event);
2881 fw_event->cancel_pending_work = 1;
2886 * _scsih_ublock_io_all_device - unblock every device
2887 * @ioc: per adapter object
2889 * change the device state from block to running
2892 _scsih_ublock_io_all_device(struct MPT2SAS_ADAPTER *ioc)
2894 struct MPT2SAS_DEVICE *sas_device_priv_data;
2895 struct scsi_device *sdev;
2897 shost_for_each_device(sdev, ioc->shost) {
2898 sas_device_priv_data = sdev->hostdata;
2899 if (!sas_device_priv_data)
2901 if (!sas_device_priv_data->block)
2903 sas_device_priv_data->block = 0;
2904 dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, "device_running, "
2906 sas_device_priv_data->sas_target->handle));
2907 scsi_internal_device_unblock(sdev, SDEV_RUNNING);
2911 * _scsih_ublock_io_device - set the device state to SDEV_RUNNING
2912 * @ioc: per adapter object
2913 * @handle: device handle
2915 * During device pull we need to appropiately set the sdev state.
2918 _scsih_ublock_io_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address)
2920 struct MPT2SAS_DEVICE *sas_device_priv_data;
2921 struct scsi_device *sdev;
2923 shost_for_each_device(sdev, ioc->shost) {
2924 sas_device_priv_data = sdev->hostdata;
2925 if (!sas_device_priv_data)
2927 if (!sas_device_priv_data->block)
2929 if (sas_device_priv_data->sas_target->sas_address ==
2931 dewtprintk(ioc, sdev_printk(KERN_INFO, sdev,
2932 MPT2SAS_INFO_FMT "SDEV_RUNNING: "
2933 "sas address(0x%016llx)\n", ioc->name,
2934 (unsigned long long)sas_address));
2935 sas_device_priv_data->block = 0;
2936 scsi_internal_device_unblock(sdev, SDEV_RUNNING);
2942 * _scsih_block_io_all_device - set the device state to SDEV_BLOCK
2943 * @ioc: per adapter object
2944 * @handle: device handle
2946 * During device pull we need to appropiately set the sdev state.
2949 _scsih_block_io_all_device(struct MPT2SAS_ADAPTER *ioc)
2951 struct MPT2SAS_DEVICE *sas_device_priv_data;
2952 struct scsi_device *sdev;
2954 shost_for_each_device(sdev, ioc->shost) {
2955 sas_device_priv_data = sdev->hostdata;
2956 if (!sas_device_priv_data)
2958 if (sas_device_priv_data->block)
2960 sas_device_priv_data->block = 1;
2961 dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, "device_blocked, "
2963 sas_device_priv_data->sas_target->handle));
2964 scsi_internal_device_block(sdev);
2970 * _scsih_block_io_device - set the device state to SDEV_BLOCK
2971 * @ioc: per adapter object
2972 * @handle: device handle
2974 * During device pull we need to appropiately set the sdev state.
2977 _scsih_block_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle)
2979 struct MPT2SAS_DEVICE *sas_device_priv_data;
2980 struct scsi_device *sdev;
2982 shost_for_each_device(sdev, ioc->shost) {
2983 sas_device_priv_data = sdev->hostdata;
2984 if (!sas_device_priv_data)
2986 if (sas_device_priv_data->block)
2988 if (sas_device_priv_data->sas_target->handle == handle) {
2989 dewtprintk(ioc, sdev_printk(KERN_INFO, sdev,
2990 MPT2SAS_INFO_FMT "SDEV_BLOCK: "
2991 "handle(0x%04x)\n", ioc->name, handle));
2992 sas_device_priv_data->block = 1;
2993 scsi_internal_device_block(sdev);
2999 * _scsih_block_io_to_children_attached_to_ex
3000 * @ioc: per adapter object
3001 * @sas_expander: the sas_device object
3003 * This routine set sdev state to SDEV_BLOCK for all devices
3004 * attached to this expander. This function called when expander is
3008 _scsih_block_io_to_children_attached_to_ex(struct MPT2SAS_ADAPTER *ioc,
3009 struct _sas_node *sas_expander)
3011 struct _sas_port *mpt2sas_port;
3012 struct _sas_device *sas_device;
3013 struct _sas_node *expander_sibling;
3014 unsigned long flags;
3019 list_for_each_entry(mpt2sas_port,
3020 &sas_expander->sas_port_list, port_list) {
3021 if (mpt2sas_port->remote_identify.device_type ==
3023 spin_lock_irqsave(&ioc->sas_device_lock, flags);
3025 mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
3026 mpt2sas_port->remote_identify.sas_address);
3028 set_bit(sas_device->handle,
3029 ioc->blocking_handles);
3030 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
3034 list_for_each_entry(mpt2sas_port,
3035 &sas_expander->sas_port_list, port_list) {
3037 if (mpt2sas_port->remote_identify.device_type ==
3038 SAS_EDGE_EXPANDER_DEVICE ||
3039 mpt2sas_port->remote_identify.device_type ==
3040 SAS_FANOUT_EXPANDER_DEVICE) {
3042 mpt2sas_scsih_expander_find_by_sas_address(
3043 ioc, mpt2sas_port->remote_identify.sas_address);
3044 _scsih_block_io_to_children_attached_to_ex(ioc,
3051 * _scsih_block_io_to_children_attached_directly
3052 * @ioc: per adapter object
3053 * @event_data: topology change event data
3055 * This routine set sdev state to SDEV_BLOCK for all devices
3056 * direct attached during device pull.
3059 _scsih_block_io_to_children_attached_directly(struct MPT2SAS_ADAPTER *ioc,
3060 Mpi2EventDataSasTopologyChangeList_t *event_data)
3067 for (i = 0; i < event_data->NumEntries; i++) {
3068 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
3071 phy_number = event_data->StartPhyNum + i;
3072 reason_code = event_data->PHY[i].PhyStatus &
3073 MPI2_EVENT_SAS_TOPO_RC_MASK;
3074 if (reason_code == MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING)
3075 _scsih_block_io_device(ioc, handle);
3080 * _scsih_tm_tr_send - send task management request
3081 * @ioc: per adapter object
3082 * @handle: device handle
3083 * Context: interrupt time.
3085 * This code is to initiate the device removal handshake protocol
3086 * with controller firmware. This function will issue target reset
3087 * using high priority request queue. It will send a sas iounit
3088 * control request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion.
3090 * This is designed to send muliple task management request at the same
3091 * time to the fifo. If the fifo is full, we will append the request,
3092 * and process it in a future completion.
3095 _scsih_tm_tr_send(struct MPT2SAS_ADAPTER *ioc, u16 handle)
3097 Mpi2SCSITaskManagementRequest_t *mpi_request;
3099 struct _sas_device *sas_device;
3100 struct MPT2SAS_TARGET *sas_target_priv_data = NULL;
3101 u64 sas_address = 0;
3102 unsigned long flags;
3103 struct _tr_list *delayed_tr;
3106 if (ioc->remove_host) {
3107 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host has been "
3108 "removed: handle(0x%04x)\n", __func__, ioc->name, handle));
3110 } else if (ioc->pci_error_recovery) {
3111 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host in pci "
3112 "error recovery: handle(0x%04x)\n", __func__, ioc->name,
3116 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
3117 if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
3118 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host is not "
3119 "operational: handle(0x%04x)\n", __func__, ioc->name,
3124 /* if PD, then return */
3125 if (test_bit(handle, ioc->pd_handles))
3128 spin_lock_irqsave(&ioc->sas_device_lock, flags);
3129 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
3130 if (sas_device && sas_device->starget &&
3131 sas_device->starget->hostdata) {
3132 sas_target_priv_data = sas_device->starget->hostdata;
3133 sas_target_priv_data->deleted = 1;
3134 sas_address = sas_device->sas_address;
3136 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
3138 if (sas_target_priv_data) {
3139 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "setting delete flag: "
3140 "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, handle,
3141 (unsigned long long)sas_address));
3142 _scsih_ublock_io_device(ioc, sas_address);
3143 sas_target_priv_data->handle = MPT2SAS_INVALID_DEVICE_HANDLE;
3146 smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_cb_idx);
3148 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
3151 INIT_LIST_HEAD(&delayed_tr->list);
3152 delayed_tr->handle = handle;
3153 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list);
3154 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
3155 "DELAYED:tr:handle(0x%04x), (open)\n",
3156 ioc->name, handle));
3160 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "tr_send:handle(0x%04x), "
3161 "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid,
3162 ioc->tm_tr_cb_idx));
3163 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
3164 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
3165 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
3166 mpi_request->DevHandle = cpu_to_le16(handle);
3167 mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
3168 mpt2sas_base_put_smid_hi_priority(ioc, smid);
3174 * _scsih_sas_control_complete - completion routine
3175 * @ioc: per adapter object
3176 * @smid: system request message index
3177 * @msix_index: MSIX table index supplied by the OS
3178 * @reply: reply message frame(lower 32bit addr)
3179 * Context: interrupt time.
3181 * This is the sas iounit control completion routine.
3182 * This code is part of the code to initiate the device removal
3183 * handshake protocol with controller firmware.
3185 * Return 1 meaning mf should be freed from _base_interrupt
3186 * 0 means the mf is freed from this function.
3189 _scsih_sas_control_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid,
3190 u8 msix_index, u32 reply)
3192 Mpi2SasIoUnitControlReply_t *mpi_reply =
3193 mpt2sas_base_get_reply_virt_addr(ioc, reply);
3194 if (likely(mpi_reply)) {
3195 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
3196 "sc_complete:handle(0x%04x), (open) "
3197 "smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n",
3198 ioc->name, le16_to_cpu(mpi_reply->DevHandle), smid,
3199 le16_to_cpu(mpi_reply->IOCStatus),
3200 le32_to_cpu(mpi_reply->IOCLogInfo)));
3202 printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n",
3203 ioc->name, __FILE__, __LINE__, __func__);
3209 * _scsih_tm_tr_volume_send - send target reset request for volumes
3210 * @ioc: per adapter object
3211 * @handle: device handle
3212 * Context: interrupt time.
3214 * This is designed to send muliple task management request at the same
3215 * time to the fifo. If the fifo is full, we will append the request,
3216 * and process it in a future completion.
3219 _scsih_tm_tr_volume_send(struct MPT2SAS_ADAPTER *ioc, u16 handle)
3221 Mpi2SCSITaskManagementRequest_t *mpi_request;
3223 struct _tr_list *delayed_tr;
3225 if (ioc->shost_recovery || ioc->remove_host ||
3226 ioc->pci_error_recovery) {
3227 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in "
3228 "progress!\n", __func__, ioc->name));
3232 smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_volume_cb_idx);
3234 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
3237 INIT_LIST_HEAD(&delayed_tr->list);
3238 delayed_tr->handle = handle;
3239 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_volume_list);
3240 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
3241 "DELAYED:tr:handle(0x%04x), (open)\n",
3242 ioc->name, handle));
3246 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "tr_send:handle(0x%04x), "
3247 "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid,
3248 ioc->tm_tr_volume_cb_idx));
3249 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
3250 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
3251 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
3252 mpi_request->DevHandle = cpu_to_le16(handle);
3253 mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
3254 mpt2sas_base_put_smid_hi_priority(ioc, smid);
3258 * _scsih_tm_volume_tr_complete - target reset completion
3259 * @ioc: per adapter object
3260 * @smid: system request message index
3261 * @msix_index: MSIX table index supplied by the OS
3262 * @reply: reply message frame(lower 32bit addr)
3263 * Context: interrupt time.
3265 * Return 1 meaning mf should be freed from _base_interrupt
3266 * 0 means the mf is freed from this function.
3269 _scsih_tm_volume_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid,
3270 u8 msix_index, u32 reply)
3273 Mpi2SCSITaskManagementRequest_t *mpi_request_tm;
3274 Mpi2SCSITaskManagementReply_t *mpi_reply =
3275 mpt2sas_base_get_reply_virt_addr(ioc, reply);
3277 if (ioc->shost_recovery || ioc->remove_host ||
3278 ioc->pci_error_recovery) {
3279 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in "
3280 "progress!\n", __func__, ioc->name));
3283 if (unlikely(!mpi_reply)) {
3284 printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n",
3285 ioc->name, __FILE__, __LINE__, __func__);
3288 mpi_request_tm = mpt2sas_base_get_msg_frame(ioc, smid);
3289 handle = le16_to_cpu(mpi_request_tm->DevHandle);
3290 if (handle != le16_to_cpu(mpi_reply->DevHandle)) {
3291 dewtprintk(ioc, printk("spurious interrupt: "
3292 "handle(0x%04x:0x%04x), smid(%d)!!!\n", handle,
3293 le16_to_cpu(mpi_reply->DevHandle), smid));
3297 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
3298 "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
3299 "loginfo(0x%08x), completed(%d)\n", ioc->name,
3300 handle, smid, le16_to_cpu(mpi_reply->IOCStatus),
3301 le32_to_cpu(mpi_reply->IOCLogInfo),
3302 le32_to_cpu(mpi_reply->TerminationCount)));
3304 return _scsih_check_for_pending_tm(ioc, smid);
3308 * _scsih_tm_tr_complete -
3309 * @ioc: per adapter object
3310 * @smid: system request message index
3311 * @msix_index: MSIX table index supplied by the OS
3312 * @reply: reply message frame(lower 32bit addr)
3313 * Context: interrupt time.
3315 * This is the target reset completion routine.
3316 * This code is part of the code to initiate the device removal
3317 * handshake protocol with controller firmware.
3318 * It will send a sas iounit control request (MPI2_SAS_OP_REMOVE_DEVICE)
3320 * Return 1 meaning mf should be freed from _base_interrupt
3321 * 0 means the mf is freed from this function.
3324 _scsih_tm_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
3328 Mpi2SCSITaskManagementRequest_t *mpi_request_tm;
3329 Mpi2SCSITaskManagementReply_t *mpi_reply =
3330 mpt2sas_base_get_reply_virt_addr(ioc, reply);
3331 Mpi2SasIoUnitControlRequest_t *mpi_request;
3335 if (ioc->remove_host) {
3336 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host has been "
3337 "removed\n", __func__, ioc->name));
3339 } else if (ioc->pci_error_recovery) {
3340 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host in pci "
3341 "error recovery\n", __func__, ioc->name));
3344 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
3345 if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
3346 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host is not "
3347 "operational\n", __func__, ioc->name));
3350 if (unlikely(!mpi_reply)) {
3351 printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n",
3352 ioc->name, __FILE__, __LINE__, __func__);
3355 mpi_request_tm = mpt2sas_base_get_msg_frame(ioc, smid);
3356 handle = le16_to_cpu(mpi_request_tm->DevHandle);
3357 if (handle != le16_to_cpu(mpi_reply->DevHandle)) {
3358 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "spurious interrupt: "
3359 "handle(0x%04x:0x%04x), smid(%d)!!!\n", ioc->name, handle,
3360 le16_to_cpu(mpi_reply->DevHandle), smid));
3364 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
3365 "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
3366 "loginfo(0x%08x), completed(%d)\n", ioc->name,
3367 handle, smid, le16_to_cpu(mpi_reply->IOCStatus),
3368 le32_to_cpu(mpi_reply->IOCLogInfo),
3369 le32_to_cpu(mpi_reply->TerminationCount)));
3371 smid_sas_ctrl = mpt2sas_base_get_smid(ioc, ioc->tm_sas_control_cb_idx);
3372 if (!smid_sas_ctrl) {
3373 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
3374 ioc->name, __func__);
3378 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "sc_send:handle(0x%04x), "
3379 "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid_sas_ctrl,
3380 ioc->tm_sas_control_cb_idx));
3381 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid_sas_ctrl);
3382 memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t));
3383 mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
3384 mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE;
3385 mpi_request->DevHandle = mpi_request_tm->DevHandle;
3386 mpt2sas_base_put_smid_default(ioc, smid_sas_ctrl);
3388 return _scsih_check_for_pending_tm(ioc, smid);
3392 * _scsih_check_for_pending_tm - check for pending task management
3393 * @ioc: per adapter object
3394 * @smid: system request message index
3396 * This will check delayed target reset list, and feed the
3399 * Return 1 meaning mf should be freed from _base_interrupt
3400 * 0 means the mf is freed from this function.
3403 _scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER *ioc, u16 smid)
3405 struct _tr_list *delayed_tr;
3407 if (!list_empty(&ioc->delayed_tr_volume_list)) {
3408 delayed_tr = list_entry(ioc->delayed_tr_volume_list.next,
3409 struct _tr_list, list);
3410 mpt2sas_base_free_smid(ioc, smid);
3411 _scsih_tm_tr_volume_send(ioc, delayed_tr->handle);
3412 list_del(&delayed_tr->list);
3417 if (!list_empty(&ioc->delayed_tr_list)) {
3418 delayed_tr = list_entry(ioc->delayed_tr_list.next,
3419 struct _tr_list, list);
3420 mpt2sas_base_free_smid(ioc, smid);
3421 _scsih_tm_tr_send(ioc, delayed_tr->handle);
3422 list_del(&delayed_tr->list);
3431 * _scsih_check_topo_delete_events - sanity check on topo events
3432 * @ioc: per adapter object
3433 * @event_data: the event data payload
3435 * This routine added to better handle cable breaker.
3437 * This handles the case where driver receives multiple expander
3438 * add and delete events in a single shot. When there is a delete event
3439 * the routine will void any pending add events waiting in the event queue.
3444 _scsih_check_topo_delete_events(struct MPT2SAS_ADAPTER *ioc,
3445 Mpi2EventDataSasTopologyChangeList_t *event_data)
3447 struct fw_event_work *fw_event;
3448 Mpi2EventDataSasTopologyChangeList_t *local_event_data;
3449 u16 expander_handle;
3450 struct _sas_node *sas_expander;
3451 unsigned long flags;
3455 for (i = 0 ; i < event_data->NumEntries; i++) {
3456 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
3459 reason_code = event_data->PHY[i].PhyStatus &
3460 MPI2_EVENT_SAS_TOPO_RC_MASK;
3461 if (reason_code == MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)
3462 _scsih_tm_tr_send(ioc, handle);
3465 expander_handle = le16_to_cpu(event_data->ExpanderDevHandle);
3466 if (expander_handle < ioc->sas_hba.num_phys) {
3467 _scsih_block_io_to_children_attached_directly(ioc, event_data);
3470 if (event_data->ExpStatus ==
3471 MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING) {
3472 /* put expander attached devices into blocking state */
3473 spin_lock_irqsave(&ioc->sas_node_lock, flags);
3474 sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc,
3476 _scsih_block_io_to_children_attached_to_ex(ioc, sas_expander);
3477 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
3479 handle = find_first_bit(ioc->blocking_handles,
3480 ioc->facts.MaxDevHandle);
3481 if (handle < ioc->facts.MaxDevHandle)
3482 _scsih_block_io_device(ioc, handle);
3483 } while (test_and_clear_bit(handle, ioc->blocking_handles));
3484 } else if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_RESPONDING)
3485 _scsih_block_io_to_children_attached_directly(ioc, event_data);
3487 if (event_data->ExpStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING)
3490 /* mark ignore flag for pending events */
3491 spin_lock_irqsave(&ioc->fw_event_lock, flags);
3492 list_for_each_entry(fw_event, &ioc->fw_event_list, list) {
3493 if (fw_event->event != MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
3496 local_event_data = fw_event->event_data;
3497 if (local_event_data->ExpStatus ==
3498 MPI2_EVENT_SAS_TOPO_ES_ADDED ||
3499 local_event_data->ExpStatus ==
3500 MPI2_EVENT_SAS_TOPO_ES_RESPONDING) {
3501 if (le16_to_cpu(local_event_data->ExpanderDevHandle) ==
3503 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
3504 "setting ignoring flag\n", ioc->name));
3505 fw_event->ignore = 1;
3509 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
3513 * _scsih_set_volume_delete_flag - setting volume delete flag
3514 * @ioc: per adapter object
3515 * @handle: device handle
3521 _scsih_set_volume_delete_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle)
3523 struct _raid_device *raid_device;
3524 struct MPT2SAS_TARGET *sas_target_priv_data;
3525 unsigned long flags;
3527 spin_lock_irqsave(&ioc->raid_device_lock, flags);
3528 raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
3529 if (raid_device && raid_device->starget &&
3530 raid_device->starget->hostdata) {
3531 sas_target_priv_data =
3532 raid_device->starget->hostdata;
3533 sas_target_priv_data->deleted = 1;
3534 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
3535 "setting delete flag: handle(0x%04x), "
3536 "wwid(0x%016llx)\n", ioc->name, handle,
3537 (unsigned long long) raid_device->wwid));
3539 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
3543 * _scsih_set_volume_handle_for_tr - set handle for target reset to volume
3544 * @handle: input handle
3545 * @a: handle for volume a
3546 * @b: handle for volume b
3548 * IR firmware only supports two raid volumes. The purpose of this
3549 * routine is to set the volume handle in either a or b. When the given
3550 * input handle is non-zero, or when a and b have not been set before.
3553 _scsih_set_volume_handle_for_tr(u16 handle, u16 *a, u16 *b)
3555 if (!handle || handle == *a || handle == *b)
3564 * _scsih_check_ir_config_unhide_events - check for UNHIDE events
3565 * @ioc: per adapter object
3566 * @event_data: the event data payload
3567 * Context: interrupt time.
3569 * This routine will send target reset to volume, followed by target
3570 * resets to the PDs. This is called when a PD has been removed, or
3571 * volume has been deleted or removed. When the target reset is sent
3572 * to volume, the PD target resets need to be queued to start upon
3573 * completion of the volume target reset.
3578 _scsih_check_ir_config_unhide_events(struct MPT2SAS_ADAPTER *ioc,
3579 Mpi2EventDataIrConfigChangeList_t *event_data)
3581 Mpi2EventIrConfigElement_t *element;
3583 u16 handle, volume_handle, a, b;
3584 struct _tr_list *delayed_tr;
3589 if (ioc->is_warpdrive)
3592 /* Volume Resets for Deleted or Removed */
3593 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
3594 for (i = 0; i < event_data->NumElements; i++, element++) {
3595 if (element->ReasonCode ==
3596 MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED ||
3597 element->ReasonCode ==
3598 MPI2_EVENT_IR_CHANGE_RC_REMOVED) {
3599 volume_handle = le16_to_cpu(element->VolDevHandle);
3600 _scsih_set_volume_delete_flag(ioc, volume_handle);
3601 _scsih_set_volume_handle_for_tr(volume_handle, &a, &b);
3605 /* Volume Resets for UNHIDE events */
3606 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
3607 for (i = 0; i < event_data->NumElements; i++, element++) {
3608 if (le32_to_cpu(event_data->Flags) &
3609 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
3611 if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_UNHIDE) {
3612 volume_handle = le16_to_cpu(element->VolDevHandle);
3613 _scsih_set_volume_handle_for_tr(volume_handle, &a, &b);
3618 _scsih_tm_tr_volume_send(ioc, a);
3620 _scsih_tm_tr_volume_send(ioc, b);
3622 /* PD target resets */
3623 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
3624 for (i = 0; i < event_data->NumElements; i++, element++) {
3625 if (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_UNHIDE)
3627 handle = le16_to_cpu(element->PhysDiskDevHandle);
3628 volume_handle = le16_to_cpu(element->VolDevHandle);
3629 clear_bit(handle, ioc->pd_handles);
3631 _scsih_tm_tr_send(ioc, handle);
3632 else if (volume_handle == a || volume_handle == b) {
3633 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
3634 BUG_ON(!delayed_tr);
3635 INIT_LIST_HEAD(&delayed_tr->list);
3636 delayed_tr->handle = handle;
3637 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list);
3638 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
3639 "DELAYED:tr:handle(0x%04x), (open)\n", ioc->name,
3642 _scsih_tm_tr_send(ioc, handle);
3648 * _scsih_check_volume_delete_events - set delete flag for volumes
3649 * @ioc: per adapter object
3650 * @event_data: the event data payload
3651 * Context: interrupt time.
3653 * This will handle the case when the cable connected to entire volume is
3654 * pulled. We will take care of setting the deleted flag so normal IO will
3660 _scsih_check_volume_delete_events(struct MPT2SAS_ADAPTER *ioc,
3661 Mpi2EventDataIrVolume_t *event_data)
3665 if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
3667 state = le32_to_cpu(event_data->NewValue);
3668 if (state == MPI2_RAID_VOL_STATE_MISSING || state ==
3669 MPI2_RAID_VOL_STATE_FAILED)
3670 _scsih_set_volume_delete_flag(ioc,
3671 le16_to_cpu(event_data->VolDevHandle));
3675 * _scsih_flush_running_cmds - completing outstanding commands.
3676 * @ioc: per adapter object
3678 * The flushing out of all pending scmd commands following host reset,
3679 * where all IO is dropped to the floor.
3684 _scsih_flush_running_cmds(struct MPT2SAS_ADAPTER *ioc)
3686 struct scsi_cmnd *scmd;
3690 for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
3691 scmd = _scsih_scsi_lookup_get_clear(ioc, smid);
3695 mpt2sas_base_free_smid(ioc, smid);
3696 scsi_dma_unmap(scmd);
3697 if (ioc->pci_error_recovery)
3698 scmd->result = DID_NO_CONNECT << 16;
3700 scmd->result = DID_RESET << 16;
3701 scmd->scsi_done(scmd);
3703 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "completing %d cmds\n",
3708 * _scsih_setup_eedp - setup MPI request for EEDP transfer
3709 * @scmd: pointer to scsi command object
3710 * @mpi_request: pointer to the SCSI_IO reqest message frame
3712 * Supporting protection 1 and 3.
3717 _scsih_setup_eedp(struct scsi_cmnd *scmd, Mpi2SCSIIORequest_t *mpi_request)
3720 unsigned char prot_op = scsi_get_prot_op(scmd);
3721 unsigned char prot_type = scsi_get_prot_type(scmd);
3723 if (prot_type == SCSI_PROT_DIF_TYPE0 || prot_op == SCSI_PROT_NORMAL)
3726 if (prot_op == SCSI_PROT_READ_STRIP)
3727 eedp_flags = MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP;
3728 else if (prot_op == SCSI_PROT_WRITE_INSERT)
3729 eedp_flags = MPI2_SCSIIO_EEDPFLAGS_INSERT_OP;
3733 switch (prot_type) {
3734 case SCSI_PROT_DIF_TYPE1:
3735 case SCSI_PROT_DIF_TYPE2:
3738 * enable ref/guard checking
3739 * auto increment ref tag
3741 eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
3742 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG |
3743 MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
3744 mpi_request->CDB.EEDP32.PrimaryReferenceTag =
3745 cpu_to_be32(scsi_get_lba(scmd));
3748 case SCSI_PROT_DIF_TYPE3:
3751 * enable guard checking
3753 eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
3756 mpi_request->EEDPBlockSize = cpu_to_le32(scmd->device->sector_size);
3757 mpi_request->EEDPFlags = cpu_to_le16(eedp_flags);
3761 * _scsih_eedp_error_handling - return sense code for EEDP errors
3762 * @scmd: pointer to scsi command object
3763 * @ioc_status: ioc status
3768 _scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status)
3774 switch (ioc_status) {
3775 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
3778 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
3781 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
3789 if (scmd->sc_data_direction == DMA_TO_DEVICE) {
3790 sk = ILLEGAL_REQUEST;
3791 host_byte = DID_ABORT;
3793 sk = ABORTED_COMMAND;
3797 scsi_build_sense_buffer(0, scmd->sense_buffer, sk, 0x10, ascq);
3798 scmd->result = DRIVER_SENSE << 24 | (host_byte << 16) |
3799 SAM_STAT_CHECK_CONDITION;
3803 * _scsih_scsi_direct_io_get - returns direct io flag
3804 * @ioc: per adapter object
3805 * @smid: system request message index
3807 * Returns the smid stored scmd pointer.
3810 _scsih_scsi_direct_io_get(struct MPT2SAS_ADAPTER *ioc, u16 smid)
3812 return ioc->scsi_lookup[smid - 1].direct_io;
3816 * _scsih_scsi_direct_io_set - sets direct io flag
3817 * @ioc: per adapter object
3818 * @smid: system request message index
3819 * @direct_io: Zero or non-zero value to set in the direct_io flag
3824 _scsih_scsi_direct_io_set(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 direct_io)
3826 ioc->scsi_lookup[smid - 1].direct_io = direct_io;
3831 * _scsih_setup_direct_io - setup MPI request for WARPDRIVE Direct I/O
3832 * @ioc: per adapter object
3833 * @scmd: pointer to scsi command object
3834 * @raid_device: pointer to raid device data structure
3835 * @mpi_request: pointer to the SCSI_IO reqest message frame
3836 * @smid: system request message index
3841 _scsih_setup_direct_io(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
3842 struct _raid_device *raid_device, Mpi2SCSIIORequest_t *mpi_request,
3845 u32 v_lba, p_lba, stripe_off, stripe_unit, column, io_size;
3846 u32 stripe_sz, stripe_exp;
3847 u8 num_pds, *cdb_ptr, i;
3848 u8 cdb0 = scmd->cmnd[0];
3852 * Try Direct I/O to RAID memeber disks
3854 if (cdb0 == READ_16 || cdb0 == READ_10 ||
3855 cdb0 == WRITE_16 || cdb0 == WRITE_10) {
3856 cdb_ptr = mpi_request->CDB.CDB32;
3858 if ((cdb0 < READ_16) || !(cdb_ptr[2] | cdb_ptr[3] | cdb_ptr[4]
3860 io_size = scsi_bufflen(scmd) >>
3861 raid_device->block_exponent;
3862 i = (cdb0 < READ_16) ? 2 : 6;
3863 /* get virtual lba */
3864 v_lba = be32_to_cpu(*(__be32 *)(&cdb_ptr[i]));
3866 if (((u64)v_lba + (u64)io_size - 1) <=
3867 (u32)raid_device->max_lba) {
3868 stripe_sz = raid_device->stripe_sz;
3869 stripe_exp = raid_device->stripe_exponent;
3870 stripe_off = v_lba & (stripe_sz - 1);
3872 /* Check whether IO falls within a stripe */
3873 if ((stripe_off + io_size) <= stripe_sz) {
3874 num_pds = raid_device->num_pds;
3875 p_lba = v_lba >> stripe_exp;
3876 stripe_unit = p_lba / num_pds;
3877 column = p_lba % num_pds;
3878 p_lba = (stripe_unit << stripe_exp) +
3880 mpi_request->DevHandle =
3881 cpu_to_le16(raid_device->
3883 (*(__be32 *)(&cdb_ptr[i])) =
3886 * WD: To indicate this I/O is directI/O
3888 _scsih_scsi_direct_io_set(ioc, smid, 1);
3892 io_size = scsi_bufflen(scmd) >>
3893 raid_device->block_exponent;
3894 /* get virtual lba */
3895 v_llba = be64_to_cpu(*(__be64 *)(&cdb_ptr[2]));
3897 if ((v_llba + (u64)io_size - 1) <=
3898 raid_device->max_lba) {
3899 stripe_sz = raid_device->stripe_sz;
3900 stripe_exp = raid_device->stripe_exponent;
3901 stripe_off = (u32) (v_llba & (stripe_sz - 1));
3903 /* Check whether IO falls within a stripe */
3904 if ((stripe_off + io_size) <= stripe_sz) {
3905 num_pds = raid_device->num_pds;
3906 p_lba = (u32)(v_llba >> stripe_exp);
3907 stripe_unit = p_lba / num_pds;
3908 column = p_lba % num_pds;
3909 p_lba = (stripe_unit << stripe_exp) +
3911 mpi_request->DevHandle =
3912 cpu_to_le16(raid_device->
3914 (*(__be64 *)(&cdb_ptr[2])) =
3915 cpu_to_be64((u64)p_lba);
3917 * WD: To indicate this I/O is directI/O
3919 _scsih_scsi_direct_io_set(ioc, smid, 1);
3927 * _scsih_qcmd - main scsi request entry point
3928 * @scmd: pointer to scsi command object
3929 * @done: function pointer to be invoked on completion
3931 * The callback index is set inside `ioc->scsi_io_cb_idx`.
3933 * Returns 0 on success. If there's a failure, return either:
3934 * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or
3935 * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full
3938 _scsih_qcmd_lck(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *))
3940 struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
3941 struct MPT2SAS_DEVICE *sas_device_priv_data;
3942 struct MPT2SAS_TARGET *sas_target_priv_data;
3943 struct _raid_device *raid_device;
3944 Mpi2SCSIIORequest_t *mpi_request;
3948 scmd->scsi_done = done;
3949 sas_device_priv_data = scmd->device->hostdata;
3950 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
3951 scmd->result = DID_NO_CONNECT << 16;
3952 scmd->scsi_done(scmd);
3956 if (ioc->pci_error_recovery || ioc->remove_host) {
3957 scmd->result = DID_NO_CONNECT << 16;
3958 scmd->scsi_done(scmd);
3962 sas_target_priv_data = sas_device_priv_data->sas_target;
3963 /* invalid device handle */
3964 if (sas_target_priv_data->handle == MPT2SAS_INVALID_DEVICE_HANDLE) {
3965 scmd->result = DID_NO_CONNECT << 16;
3966 scmd->scsi_done(scmd);
3970 /* host recovery or link resets sent via IOCTLs */
3971 if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress)
3972 return SCSI_MLQUEUE_HOST_BUSY;
3973 /* device busy with task management */
3974 else if (sas_device_priv_data->block || sas_target_priv_data->tm_busy)
3975 return SCSI_MLQUEUE_DEVICE_BUSY;
3976 /* device has been deleted */
3977 else if (sas_target_priv_data->deleted) {
3978 scmd->result = DID_NO_CONNECT << 16;
3979 scmd->scsi_done(scmd);
3983 if (scmd->sc_data_direction == DMA_FROM_DEVICE)
3984 mpi_control = MPI2_SCSIIO_CONTROL_READ;
3985 else if (scmd->sc_data_direction == DMA_TO_DEVICE)
3986 mpi_control = MPI2_SCSIIO_CONTROL_WRITE;
3988 mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER;
3991 if (!(sas_device_priv_data->flags & MPT_DEVICE_FLAGS_INIT)) {
3992 if (scmd->device->tagged_supported) {
3993 if (scmd->device->ordered_tags)
3994 mpi_control |= MPI2_SCSIIO_CONTROL_ORDEREDQ;
3996 mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
3998 /* MPI Revision I (UNIT = 0xA) - removed MPI2_SCSIIO_CONTROL_UNTAGGED */
3999 /* mpi_control |= MPI2_SCSIIO_CONTROL_UNTAGGED;
4001 mpi_control |= (0x500);
4004 mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
4005 /* Make sure Device is not raid volume.
4006 * We do not expose raid functionality to upper layer for warpdrive.
4008 if (!ioc->is_warpdrive && !_scsih_is_raid(&scmd->device->sdev_gendev) &&
4009 sas_is_tlr_enabled(scmd->device) && scmd->cmd_len != 32)
4010 mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON;
4012 smid = mpt2sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd);
4014 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
4015 ioc->name, __func__);
4018 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
4019 memset(mpi_request, 0, sizeof(Mpi2SCSIIORequest_t));
4020 _scsih_setup_eedp(scmd, mpi_request);
4021 if (scmd->cmd_len == 32)
4022 mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT;
4023 mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
4024 if (sas_device_priv_data->sas_target->flags &
4025 MPT_TARGET_FLAGS_RAID_COMPONENT)
4026 mpi_request->Function = MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
4028 mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
4029 mpi_request->DevHandle =
4030 cpu_to_le16(sas_device_priv_data->sas_target->handle);
4031 mpi_request->DataLength = cpu_to_le32(scsi_bufflen(scmd));
4032 mpi_request->Control = cpu_to_le32(mpi_control);
4033 mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len);
4034 mpi_request->MsgFlags = MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR;
4035 mpi_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE;
4036 mpi_request->SenseBufferLowAddress =
4037 mpt2sas_base_get_sense_buffer_dma(ioc, smid);
4038 mpi_request->SGLOffset0 = offsetof(Mpi2SCSIIORequest_t, SGL) / 4;
4039 mpi_request->SGLFlags = cpu_to_le16(MPI2_SCSIIO_SGLFLAGS_TYPE_MPI +
4040 MPI2_SCSIIO_SGLFLAGS_SYSTEM_ADDR);
4041 mpi_request->VF_ID = 0; /* TODO */
4042 mpi_request->VP_ID = 0;
4043 int_to_scsilun(sas_device_priv_data->lun, (struct scsi_lun *)
4045 memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len);
4047 if (!mpi_request->DataLength) {
4048 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request->SGL);
4050 if (_scsih_build_scatter_gather(ioc, scmd, smid)) {
4051 mpt2sas_base_free_smid(ioc, smid);
4056 raid_device = sas_target_priv_data->raid_device;
4057 if (raid_device && raid_device->direct_io_enabled)
4058 _scsih_setup_direct_io(ioc, scmd, raid_device, mpi_request,
4061 if (likely(mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST))
4062 mpt2sas_base_put_smid_scsi_io(ioc, smid,
4063 le16_to_cpu(mpi_request->DevHandle));
4065 mpt2sas_base_put_smid_default(ioc, smid);
4069 return SCSI_MLQUEUE_HOST_BUSY;
4072 static DEF_SCSI_QCMD(_scsih_qcmd)
4075 * _scsih_normalize_sense - normalize descriptor and fixed format sense data
4076 * @sense_buffer: sense data returned by target
4077 * @data: normalized skey/asc/ascq
4082 _scsih_normalize_sense(char *sense_buffer, struct sense_info *data)
4084 if ((sense_buffer[0] & 0x7F) >= 0x72) {
4085 /* descriptor format */
4086 data->skey = sense_buffer[1] & 0x0F;
4087 data->asc = sense_buffer[2];
4088 data->ascq = sense_buffer[3];
4091 data->skey = sense_buffer[2] & 0x0F;
4092 data->asc = sense_buffer[12];
4093 data->ascq = sense_buffer[13];
4097 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4099 * _scsih_scsi_ioc_info - translated non-successful SCSI_IO request
4100 * @ioc: per adapter object
4101 * @scmd: pointer to scsi command object
4102 * @mpi_reply: reply mf payload returned from firmware
4104 * scsi_status - SCSI Status code returned from target device
4105 * scsi_state - state info associated with SCSI_IO determined by ioc
4106 * ioc_status - ioc supplied status info
4111 _scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
4112 Mpi2SCSIIOReply_t *mpi_reply, u16 smid)
4116 u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) &
4117 MPI2_IOCSTATUS_MASK;
4118 u8 scsi_state = mpi_reply->SCSIState;
4119 u8 scsi_status = mpi_reply->SCSIStatus;
4120 char *desc_ioc_state = NULL;
4121 char *desc_scsi_status = NULL;
4122 char *desc_scsi_state = ioc->tmp_string;
4123 u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
4124 struct _sas_device *sas_device = NULL;
4125 unsigned long flags;
4126 struct scsi_target *starget = scmd->device->sdev_target;
4127 struct MPT2SAS_TARGET *priv_target = starget->hostdata;
4128 char *device_str = NULL;
4133 if (ioc->hide_ir_msg)
4134 device_str = "WarpDrive";
4136 device_str = "volume";
4138 if (log_info == 0x31170000)
4141 switch (ioc_status) {
4142 case MPI2_IOCSTATUS_SUCCESS:
4143 desc_ioc_state = "success";
4145 case MPI2_IOCSTATUS_INVALID_FUNCTION:
4146 desc_ioc_state = "invalid function";
4148 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
4149 desc_ioc_state = "scsi recovered error";
4151 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
4152 desc_ioc_state = "scsi invalid dev handle";
4154 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
4155 desc_ioc_state = "scsi device not there";
4157 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
4158 desc_ioc_state = "scsi data overrun";
4160 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
4161 desc_ioc_state = "scsi data underrun";
4163 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
4164 desc_ioc_state = "scsi io data error";
4166 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
4167 desc_ioc_state = "scsi protocol error";
4169 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
4170 desc_ioc_state = "scsi task terminated";
4172 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
4173 desc_ioc_state = "scsi residual mismatch";
4175 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
4176 desc_ioc_state = "scsi task mgmt failed";
4178 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
4179 desc_ioc_state = "scsi ioc terminated";
4181 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
4182 desc_ioc_state = "scsi ext terminated";
4184 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
4185 desc_ioc_state = "eedp guard error";
4187 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
4188 desc_ioc_state = "eedp ref tag error";
4190 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
4191 desc_ioc_state = "eedp app tag error";
4194 desc_ioc_state = "unknown";
4198 switch (scsi_status) {
4199 case MPI2_SCSI_STATUS_GOOD:
4200 desc_scsi_status = "good";
4202 case MPI2_SCSI_STATUS_CHECK_CONDITION:
4203 desc_scsi_status = "check condition";
4205 case MPI2_SCSI_STATUS_CONDITION_MET:
4206 desc_scsi_status = "condition met";
4208 case MPI2_SCSI_STATUS_BUSY:
4209 desc_scsi_status = "busy";
4211 case MPI2_SCSI_STATUS_INTERMEDIATE:
4212 desc_scsi_status = "intermediate";
4214 case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET:
4215 desc_scsi_status = "intermediate condmet";
4217 case MPI2_SCSI_STATUS_RESERVATION_CONFLICT:
4218 desc_scsi_status = "reservation conflict";
4220 case MPI2_SCSI_STATUS_COMMAND_TERMINATED:
4221 desc_scsi_status = "command terminated";
4223 case MPI2_SCSI_STATUS_TASK_SET_FULL:
4224 desc_scsi_status = "task set full";
4226 case MPI2_SCSI_STATUS_ACA_ACTIVE:
4227 desc_scsi_status = "aca active";
4229 case MPI2_SCSI_STATUS_TASK_ABORTED:
4230 desc_scsi_status = "task aborted";
4233 desc_scsi_status = "unknown";
4237 desc_scsi_state[0] = '\0';
4239 desc_scsi_state = " ";
4240 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
4241 strcat(desc_scsi_state, "response info ");
4242 if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
4243 strcat(desc_scsi_state, "state terminated ");
4244 if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS)
4245 strcat(desc_scsi_state, "no status ");
4246 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED)
4247 strcat(desc_scsi_state, "autosense failed ");
4248 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)
4249 strcat(desc_scsi_state, "autosense valid ");
4251 scsi_print_command(scmd);
4253 if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) {
4254 printk(MPT2SAS_WARN_FMT "\t%s wwid(0x%016llx)\n", ioc->name,
4255 device_str, (unsigned long long)priv_target->sas_address);
4257 spin_lock_irqsave(&ioc->sas_device_lock, flags);
4258 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
4259 priv_target->sas_address);
4261 printk(MPT2SAS_WARN_FMT "\tsas_address(0x%016llx), "
4262 "phy(%d)\n", ioc->name, sas_device->sas_address,
4264 printk(MPT2SAS_WARN_FMT
4265 "\tenclosure_logical_id(0x%016llx), slot(%d)\n",
4266 ioc->name, sas_device->enclosure_logical_id,
4269 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4272 printk(MPT2SAS_WARN_FMT "\thandle(0x%04x), ioc_status(%s)(0x%04x), "
4273 "smid(%d)\n", ioc->name, le16_to_cpu(mpi_reply->DevHandle),
4274 desc_ioc_state, ioc_status, smid);
4275 printk(MPT2SAS_WARN_FMT "\trequest_len(%d), underflow(%d), "
4276 "resid(%d)\n", ioc->name, scsi_bufflen(scmd), scmd->underflow,
4277 scsi_get_resid(scmd));
4278 printk(MPT2SAS_WARN_FMT "\ttag(%d), transfer_count(%d), "
4279 "sc->result(0x%08x)\n", ioc->name, le16_to_cpu(mpi_reply->TaskTag),
4280 le32_to_cpu(mpi_reply->TransferCount), scmd->result);
4281 printk(MPT2SAS_WARN_FMT "\tscsi_status(%s)(0x%02x), "
4282 "scsi_state(%s)(0x%02x)\n", ioc->name, desc_scsi_status,
4283 scsi_status, desc_scsi_state, scsi_state);
4285 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
4286 struct sense_info data;
4287 _scsih_normalize_sense(scmd->sense_buffer, &data);
4288 printk(MPT2SAS_WARN_FMT "\t[sense_key,asc,ascq]: "
4289 "[0x%02x,0x%02x,0x%02x], count(%d)\n", ioc->name, data.skey,
4290 data.asc, data.ascq, le32_to_cpu(mpi_reply->SenseCount));
4293 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) {
4294 response_info = le32_to_cpu(mpi_reply->ResponseInfo);
4295 response_bytes = (u8 *)&response_info;
4296 _scsih_response_code(ioc, response_bytes[0]);
4302 * _scsih_turn_on_fault_led - illuminate Fault LED
4303 * @ioc: per adapter object
4304 * @handle: device handle
4310 _scsih_turn_on_fault_led(struct MPT2SAS_ADAPTER *ioc, u16 handle)
4312 Mpi2SepReply_t mpi_reply;
4313 Mpi2SepRequest_t mpi_request;
4315 memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t));
4316 mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
4317 mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS;
4318 mpi_request.SlotStatus =
4319 cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
4320 mpi_request.DevHandle = cpu_to_le16(handle);
4321 mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS;
4322 if ((mpt2sas_base_scsi_enclosure_processor(ioc, &mpi_reply,
4323 &mpi_request)) != 0) {
4324 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name,
4325 __FILE__, __LINE__, __func__);
4329 if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) {
4330 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "enclosure_processor: "
4331 "ioc_status (0x%04x), loginfo(0x%08x)\n", ioc->name,
4332 le16_to_cpu(mpi_reply.IOCStatus),
4333 le32_to_cpu(mpi_reply.IOCLogInfo)));
4339 * _scsih_send_event_to_turn_on_fault_led - fire delayed event
4340 * @ioc: per adapter object
4341 * @handle: device handle
4342 * Context: interrupt.
4347 _scsih_send_event_to_turn_on_fault_led(struct MPT2SAS_ADAPTER *ioc, u16 handle)
4349 struct fw_event_work *fw_event;
4351 fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC);
4354 fw_event->event = MPT2SAS_TURN_ON_FAULT_LED;
4355 fw_event->device_handle = handle;
4356 fw_event->ioc = ioc;
4357 _scsih_fw_event_add(ioc, fw_event);
4361 * _scsih_smart_predicted_fault - process smart errors
4362 * @ioc: per adapter object
4363 * @handle: device handle
4364 * Context: interrupt.
4369 _scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER *ioc, u16 handle)
4371 struct scsi_target *starget;
4372 struct MPT2SAS_TARGET *sas_target_priv_data;
4373 Mpi2EventNotificationReply_t *event_reply;
4374 Mpi2EventDataSasDeviceStatusChange_t *event_data;
4375 struct _sas_device *sas_device;
4377 unsigned long flags;
4379 /* only handle non-raid devices */
4380 spin_lock_irqsave(&ioc->sas_device_lock, flags);
4381 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
4383 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4386 starget = sas_device->starget;
4387 sas_target_priv_data = starget->hostdata;
4389 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) ||
4390 ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))) {
4391 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4394 starget_printk(KERN_WARNING, starget, "predicted fault\n");
4395 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4397 if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM)
4398 _scsih_send_event_to_turn_on_fault_led(ioc, handle);
4400 /* insert into event log */
4401 sz = offsetof(Mpi2EventNotificationReply_t, EventData) +
4402 sizeof(Mpi2EventDataSasDeviceStatusChange_t);
4403 event_reply = kzalloc(sz, GFP_ATOMIC);
4405 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4406 ioc->name, __FILE__, __LINE__, __func__);
4410 event_reply->Function = MPI2_FUNCTION_EVENT_NOTIFICATION;
4411 event_reply->Event =
4412 cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE);
4413 event_reply->MsgLength = sz/4;
4414 event_reply->EventDataLength =
4415 cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t)/4);
4416 event_data = (Mpi2EventDataSasDeviceStatusChange_t *)
4417 event_reply->EventData;
4418 event_data->ReasonCode = MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA;
4419 event_data->ASC = 0x5D;
4420 event_data->DevHandle = cpu_to_le16(handle);
4421 event_data->SASAddress = cpu_to_le64(sas_target_priv_data->sas_address);
4422 mpt2sas_ctl_add_to_event_log(ioc, event_reply);
4427 * _scsih_io_done - scsi request callback
4428 * @ioc: per adapter object
4429 * @smid: system request message index
4430 * @msix_index: MSIX table index supplied by the OS
4431 * @reply: reply message frame(lower 32bit addr)
4433 * Callback handler when using _scsih_qcmd.
4435 * Return 1 meaning mf should be freed from _base_interrupt
4436 * 0 means the mf is freed from this function.
4439 _scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
4441 Mpi2SCSIIORequest_t *mpi_request;
4442 Mpi2SCSIIOReply_t *mpi_reply;
4443 struct scsi_cmnd *scmd;
4449 struct MPT2SAS_DEVICE *sas_device_priv_data;
4450 u32 response_code = 0;
4451 unsigned long flags;
4453 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
4454 scmd = _scsih_scsi_lookup_get_clear(ioc, smid);
4458 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
4460 if (mpi_reply == NULL) {
4461 scmd->result = DID_OK << 16;
4465 sas_device_priv_data = scmd->device->hostdata;
4466 if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
4467 sas_device_priv_data->sas_target->deleted) {
4468 scmd->result = DID_NO_CONNECT << 16;
4471 ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
4473 * WARPDRIVE: If direct_io is set then it is directIO,
4474 * the failed direct I/O should be redirected to volume
4476 if (_scsih_scsi_direct_io_get(ioc, smid) &&
4477 ((ioc_status & MPI2_IOCSTATUS_MASK)
4478 != MPI2_IOCSTATUS_SCSI_TASK_TERMINATED)) {
4479 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
4480 ioc->scsi_lookup[smid - 1].scmd = scmd;
4481 _scsih_scsi_direct_io_set(ioc, smid, 0);
4482 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
4483 memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len);
4484 mpi_request->DevHandle =
4485 cpu_to_le16(sas_device_priv_data->sas_target->handle);
4486 mpt2sas_base_put_smid_scsi_io(ioc, smid,
4487 sas_device_priv_data->sas_target->handle);
4492 /* turning off TLR */
4493 scsi_state = mpi_reply->SCSIState;
4494 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
4496 le32_to_cpu(mpi_reply->ResponseInfo) & 0xFF;
4497 if (!sas_device_priv_data->tlr_snoop_check) {
4498 sas_device_priv_data->tlr_snoop_check++;
4499 /* Make sure Device is not raid volume.
4500 * We do not expose raid functionality to upper layer for warpdrive.
4502 if (!ioc->is_warpdrive && !_scsih_is_raid(&scmd->device->sdev_gendev) &&
4503 sas_is_tlr_enabled(scmd->device) &&
4504 response_code == MPI2_SCSITASKMGMT_RSP_INVALID_FRAME) {
4505 sas_disable_tlr(scmd->device);
4506 sdev_printk(KERN_INFO, scmd->device, "TLR disabled\n");
4510 xfer_cnt = le32_to_cpu(mpi_reply->TransferCount);
4511 scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt);
4512 if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
4513 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
4516 ioc_status &= MPI2_IOCSTATUS_MASK;
4517 scsi_status = mpi_reply->SCSIStatus;
4519 if (ioc_status == MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
4520 (scsi_status == MPI2_SCSI_STATUS_BUSY ||
4521 scsi_status == MPI2_SCSI_STATUS_RESERVATION_CONFLICT ||
4522 scsi_status == MPI2_SCSI_STATUS_TASK_SET_FULL)) {
4523 ioc_status = MPI2_IOCSTATUS_SUCCESS;
4526 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
4527 struct sense_info data;
4528 const void *sense_data = mpt2sas_base_get_sense_buffer(ioc,
4530 u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE,
4531 le32_to_cpu(mpi_reply->SenseCount));
4532 memcpy(scmd->sense_buffer, sense_data, sz);
4533 _scsih_normalize_sense(scmd->sense_buffer, &data);
4534 /* failure prediction threshold exceeded */
4535 if (data.asc == 0x5D)
4536 _scsih_smart_predicted_fault(ioc,
4537 le16_to_cpu(mpi_reply->DevHandle));
4540 switch (ioc_status) {
4541 case MPI2_IOCSTATUS_BUSY:
4542 case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES:
4543 scmd->result = SAM_STAT_BUSY;
4546 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
4547 scmd->result = DID_NO_CONNECT << 16;
4550 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
4551 if (sas_device_priv_data->block) {
4552 scmd->result = DID_TRANSPORT_DISRUPTED << 16;
4555 scmd->result = DID_SOFT_ERROR << 16;
4557 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
4558 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
4559 scmd->result = DID_RESET << 16;
4562 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
4563 if ((xfer_cnt == 0) || (scmd->underflow > xfer_cnt))
4564 scmd->result = DID_SOFT_ERROR << 16;
4566 scmd->result = (DID_OK << 16) | scsi_status;
4569 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
4570 scmd->result = (DID_OK << 16) | scsi_status;
4572 if ((scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID))
4575 if (xfer_cnt < scmd->underflow) {
4576 if (scsi_status == SAM_STAT_BUSY)
4577 scmd->result = SAM_STAT_BUSY;
4579 scmd->result = DID_SOFT_ERROR << 16;
4580 } else if (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
4581 MPI2_SCSI_STATE_NO_SCSI_STATUS))
4582 scmd->result = DID_SOFT_ERROR << 16;
4583 else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
4584 scmd->result = DID_RESET << 16;
4585 else if (!xfer_cnt && scmd->cmnd[0] == REPORT_LUNS) {
4586 mpi_reply->SCSIState = MPI2_SCSI_STATE_AUTOSENSE_VALID;
4587 mpi_reply->SCSIStatus = SAM_STAT_CHECK_CONDITION;
4588 scmd->result = (DRIVER_SENSE << 24) |
4589 SAM_STAT_CHECK_CONDITION;
4590 scmd->sense_buffer[0] = 0x70;
4591 scmd->sense_buffer[2] = ILLEGAL_REQUEST;
4592 scmd->sense_buffer[12] = 0x20;
4593 scmd->sense_buffer[13] = 0;
4597 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
4598 scsi_set_resid(scmd, 0);
4599 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
4600 case MPI2_IOCSTATUS_SUCCESS:
4601 scmd->result = (DID_OK << 16) | scsi_status;
4602 if (response_code ==
4603 MPI2_SCSITASKMGMT_RSP_INVALID_FRAME ||
4604 (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
4605 MPI2_SCSI_STATE_NO_SCSI_STATUS)))
4606 scmd->result = DID_SOFT_ERROR << 16;
4607 else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
4608 scmd->result = DID_RESET << 16;
4611 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
4612 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
4613 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
4614 _scsih_eedp_error_handling(scmd, ioc_status);
4616 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
4617 case MPI2_IOCSTATUS_INVALID_FUNCTION:
4618 case MPI2_IOCSTATUS_INVALID_SGL:
4619 case MPI2_IOCSTATUS_INTERNAL_ERROR:
4620 case MPI2_IOCSTATUS_INVALID_FIELD:
4621 case MPI2_IOCSTATUS_INVALID_STATE:
4622 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
4623 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
4625 scmd->result = DID_SOFT_ERROR << 16;
4630 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4631 if (scmd->result && (ioc->logging_level & MPT_DEBUG_REPLY))
4632 _scsih_scsi_ioc_info(ioc , scmd, mpi_reply, smid);
4636 scsi_dma_unmap(scmd);
4637 scmd->scsi_done(scmd);
4642 * _scsih_sas_host_refresh - refreshing sas host object contents
4643 * @ioc: per adapter object
4646 * During port enable, fw will send topology events for every device. Its
4647 * possible that the handles may change from the previous setting, so this
4648 * code keeping handles updating if changed.
4653 _scsih_sas_host_refresh(struct MPT2SAS_ADAPTER *ioc)
4658 Mpi2ConfigReply_t mpi_reply;
4659 Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
4660 u16 attached_handle;
4663 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT
4664 "updating handles for sas_host(0x%016llx)\n",
4665 ioc->name, (unsigned long long)ioc->sas_hba.sas_address));
4667 sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys
4668 * sizeof(Mpi2SasIOUnit0PhyData_t));
4669 sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
4670 if (!sas_iounit_pg0) {
4671 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4672 ioc->name, __FILE__, __LINE__, __func__);
4676 if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
4677 sas_iounit_pg0, sz)) != 0)
4679 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
4680 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
4682 for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
4683 link_rate = sas_iounit_pg0->PhyData[i].NegotiatedLinkRate >> 4;
4685 ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0->
4686 PhyData[0].ControllerDevHandle);
4687 ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
4688 attached_handle = le16_to_cpu(sas_iounit_pg0->PhyData[i].
4690 if (attached_handle && link_rate < MPI2_SAS_NEG_LINK_RATE_1_5)
4691 link_rate = MPI2_SAS_NEG_LINK_RATE_1_5;
4692 mpt2sas_transport_update_links(ioc, ioc->sas_hba.sas_address,
4693 attached_handle, i, link_rate);
4696 kfree(sas_iounit_pg0);
4700 * _scsih_sas_host_add - create sas host object
4701 * @ioc: per adapter object
4703 * Creating host side data object, stored in ioc->sas_hba
4708 _scsih_sas_host_add(struct MPT2SAS_ADAPTER *ioc)
4711 Mpi2ConfigReply_t mpi_reply;
4712 Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
4713 Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
4714 Mpi2SasPhyPage0_t phy_pg0;
4715 Mpi2SasDevicePage0_t sas_device_pg0;
4716 Mpi2SasEnclosurePage0_t enclosure_pg0;
4719 u16 device_missing_delay;
4721 mpt2sas_config_get_number_hba_phys(ioc, &ioc->sas_hba.num_phys);
4722 if (!ioc->sas_hba.num_phys) {
4723 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4724 ioc->name, __FILE__, __LINE__, __func__);
4728 /* sas_iounit page 0 */
4729 sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys *
4730 sizeof(Mpi2SasIOUnit0PhyData_t));
4731 sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
4732 if (!sas_iounit_pg0) {
4733 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4734 ioc->name, __FILE__, __LINE__, __func__);
4737 if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
4738 sas_iounit_pg0, sz))) {
4739 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4740 ioc->name, __FILE__, __LINE__, __func__);
4743 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
4744 MPI2_IOCSTATUS_MASK;
4745 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
4746 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4747 ioc->name, __FILE__, __LINE__, __func__);
4751 /* sas_iounit page 1 */
4752 sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys *
4753 sizeof(Mpi2SasIOUnit1PhyData_t));
4754 sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
4755 if (!sas_iounit_pg1) {
4756 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4757 ioc->name, __FILE__, __LINE__, __func__);
4760 if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
4761 sas_iounit_pg1, sz))) {
4762 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4763 ioc->name, __FILE__, __LINE__, __func__);
4766 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
4767 MPI2_IOCSTATUS_MASK;
4768 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
4769 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4770 ioc->name, __FILE__, __LINE__, __func__);
4774 ioc->io_missing_delay =
4775 le16_to_cpu(sas_iounit_pg1->IODeviceMissingDelay);
4776 device_missing_delay =
4777 le16_to_cpu(sas_iounit_pg1->ReportDeviceMissingDelay);
4778 if (device_missing_delay & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
4779 ioc->device_missing_delay = (device_missing_delay &
4780 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
4782 ioc->device_missing_delay = device_missing_delay &
4783 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
4785 ioc->sas_hba.parent_dev = &ioc->shost->shost_gendev;
4786 ioc->sas_hba.phy = kcalloc(ioc->sas_hba.num_phys,
4787 sizeof(struct _sas_phy), GFP_KERNEL);
4788 if (!ioc->sas_hba.phy) {
4789 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4790 ioc->name, __FILE__, __LINE__, __func__);
4793 for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
4794 if ((mpt2sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0,
4796 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4797 ioc->name, __FILE__, __LINE__, __func__);
4800 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
4801 MPI2_IOCSTATUS_MASK;
4802 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
4803 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4804 ioc->name, __FILE__, __LINE__, __func__);
4809 ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0->
4810 PhyData[0].ControllerDevHandle);
4811 ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
4812 ioc->sas_hba.phy[i].phy_id = i;
4813 mpt2sas_transport_add_host_phy(ioc, &ioc->sas_hba.phy[i],
4814 phy_pg0, ioc->sas_hba.parent_dev);
4816 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
4817 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, ioc->sas_hba.handle))) {
4818 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4819 ioc->name, __FILE__, __LINE__, __func__);
4822 ioc->sas_hba.enclosure_handle =
4823 le16_to_cpu(sas_device_pg0.EnclosureHandle);
4824 ioc->sas_hba.sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
4825 printk(MPT2SAS_INFO_FMT "host_add: handle(0x%04x), "
4826 "sas_addr(0x%016llx), phys(%d)\n", ioc->name, ioc->sas_hba.handle,
4827 (unsigned long long) ioc->sas_hba.sas_address,
4828 ioc->sas_hba.num_phys) ;
4830 if (ioc->sas_hba.enclosure_handle) {
4831 if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply,
4833 MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
4834 ioc->sas_hba.enclosure_handle))) {
4835 ioc->sas_hba.enclosure_logical_id =
4836 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
4841 kfree(sas_iounit_pg1);
4842 kfree(sas_iounit_pg0);
4846 * _scsih_expander_add - creating expander object
4847 * @ioc: per adapter object
4848 * @handle: expander handle
4850 * Creating expander object, stored in ioc->sas_expander_list.
4852 * Return 0 for success, else error.
4855 _scsih_expander_add(struct MPT2SAS_ADAPTER *ioc, u16 handle)
4857 struct _sas_node *sas_expander;
4858 Mpi2ConfigReply_t mpi_reply;
4859 Mpi2ExpanderPage0_t expander_pg0;
4860 Mpi2ExpanderPage1_t expander_pg1;
4861 Mpi2SasEnclosurePage0_t enclosure_pg0;
4864 u64 sas_address, sas_address_parent = 0;
4866 unsigned long flags;
4867 struct _sas_port *mpt2sas_port = NULL;
4873 if (ioc->shost_recovery || ioc->pci_error_recovery)
4876 if ((mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
4877 MPI2_SAS_EXPAND_PGAD_FORM_HNDL, handle))) {
4878 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4879 ioc->name, __FILE__, __LINE__, __func__);
4883 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
4884 MPI2_IOCSTATUS_MASK;
4885 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
4886 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4887 ioc->name, __FILE__, __LINE__, __func__);
4891 /* handle out of order topology events */
4892 parent_handle = le16_to_cpu(expander_pg0.ParentDevHandle);
4893 if (_scsih_get_sas_address(ioc, parent_handle, &sas_address_parent)
4895 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4896 ioc->name, __FILE__, __LINE__, __func__);
4899 if (sas_address_parent != ioc->sas_hba.sas_address) {
4900 spin_lock_irqsave(&ioc->sas_node_lock, flags);
4901 sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc,
4902 sas_address_parent);
4903 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
4904 if (!sas_expander) {
4905 rc = _scsih_expander_add(ioc, parent_handle);
4911 spin_lock_irqsave(&ioc->sas_node_lock, flags);
4912 sas_address = le64_to_cpu(expander_pg0.SASAddress);
4913 sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc,
4915 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
4920 sas_expander = kzalloc(sizeof(struct _sas_node),
4922 if (!sas_expander) {
4923 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4924 ioc->name, __FILE__, __LINE__, __func__);
4928 sas_expander->handle = handle;
4929 sas_expander->num_phys = expander_pg0.NumPhys;
4930 sas_expander->sas_address_parent = sas_address_parent;
4931 sas_expander->sas_address = sas_address;
4933 printk(MPT2SAS_INFO_FMT "expander_add: handle(0x%04x),"
4934 " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc->name,
4935 handle, parent_handle, (unsigned long long)
4936 sas_expander->sas_address, sas_expander->num_phys);
4938 if (!sas_expander->num_phys)
4940 sas_expander->phy = kcalloc(sas_expander->num_phys,
4941 sizeof(struct _sas_phy), GFP_KERNEL);
4942 if (!sas_expander->phy) {
4943 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4944 ioc->name, __FILE__, __LINE__, __func__);
4949 INIT_LIST_HEAD(&sas_expander->sas_port_list);
4950 mpt2sas_port = mpt2sas_transport_port_add(ioc, handle,
4951 sas_address_parent);
4952 if (!mpt2sas_port) {
4953 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4954 ioc->name, __FILE__, __LINE__, __func__);
4958 sas_expander->parent_dev = &mpt2sas_port->rphy->dev;
4960 for (i = 0 ; i < sas_expander->num_phys ; i++) {
4961 if ((mpt2sas_config_get_expander_pg1(ioc, &mpi_reply,
4962 &expander_pg1, i, handle))) {
4963 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4964 ioc->name, __FILE__, __LINE__, __func__);
4968 sas_expander->phy[i].handle = handle;
4969 sas_expander->phy[i].phy_id = i;
4971 if ((mpt2sas_transport_add_expander_phy(ioc,
4972 &sas_expander->phy[i], expander_pg1,
4973 sas_expander->parent_dev))) {
4974 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4975 ioc->name, __FILE__, __LINE__, __func__);
4981 if (sas_expander->enclosure_handle) {
4982 if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply,
4983 &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
4984 sas_expander->enclosure_handle))) {
4985 sas_expander->enclosure_logical_id =
4986 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
4990 _scsih_expander_node_add(ioc, sas_expander);
4996 mpt2sas_transport_port_remove(ioc, sas_expander->sas_address,
4997 sas_address_parent);
4998 kfree(sas_expander);
5003 * _scsih_done - scsih callback handler.
5004 * @ioc: per adapter object
5005 * @smid: system request message index
5006 * @msix_index: MSIX table index supplied by the OS
5007 * @reply: reply message frame(lower 32bit addr)
5009 * Callback handler when sending internal generated message frames.
5010 * The callback index passed is `ioc->scsih_cb_idx`
5012 * Return 1 meaning mf should be freed from _base_interrupt
5013 * 0 means the mf is freed from this function.
5016 _scsih_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
5018 MPI2DefaultReply_t *mpi_reply;
5020 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
5021 if (ioc->scsih_cmds.status == MPT2_CMD_NOT_USED)
5023 if (ioc->scsih_cmds.smid != smid)
5025 ioc->scsih_cmds.status |= MPT2_CMD_COMPLETE;
5027 memcpy(ioc->scsih_cmds.reply, mpi_reply,
5028 mpi_reply->MsgLength*4);
5029 ioc->scsih_cmds.status |= MPT2_CMD_REPLY_VALID;
5031 ioc->scsih_cmds.status &= ~MPT2_CMD_PENDING;
5032 complete(&ioc->scsih_cmds.done);
5037 * mpt2sas_expander_remove - removing expander object
5038 * @ioc: per adapter object
5039 * @sas_address: expander sas_address
5044 mpt2sas_expander_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address)
5046 struct _sas_node *sas_expander;
5047 unsigned long flags;
5049 if (ioc->shost_recovery)
5052 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5053 sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc,
5056 list_del(&sas_expander->list);
5057 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5059 _scsih_expander_node_remove(ioc, sas_expander);
5063 * _scsih_check_access_status - check access flags
5064 * @ioc: per adapter object
5065 * @sas_address: sas address
5066 * @handle: sas device handle
5067 * @access_flags: errors returned during discovery of the device
5069 * Return 0 for success, else failure
5072 _scsih_check_access_status(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
5073 u16 handle, u8 access_status)
5078 switch (access_status) {
5079 case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS:
5080 case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION:
5083 case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED:
5084 desc = "sata capability failed";
5086 case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT:
5087 desc = "sata affiliation conflict";
5089 case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE:
5090 desc = "route not addressable";
5092 case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE:
5093 desc = "smp error not addressable";
5095 case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED:
5096 desc = "device blocked";
5098 case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED:
5099 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN:
5100 case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT:
5101 case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG:
5102 case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION:
5103 case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER:
5104 case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN:
5105 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN:
5106 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN:
5107 case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION:
5108 case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE:
5109 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX:
5110 desc = "sata initialization failed";
5120 printk(MPT2SAS_ERR_FMT "discovery errors(%s): sas_address(0x%016llx), "
5121 "handle(0x%04x)\n", ioc->name, desc,
5122 (unsigned long long)sas_address, handle);
5127 _scsih_check_device(struct MPT2SAS_ADAPTER *ioc, u16 handle)
5129 Mpi2ConfigReply_t mpi_reply;
5130 Mpi2SasDevicePage0_t sas_device_pg0;
5131 struct _sas_device *sas_device;
5133 unsigned long flags;
5135 struct scsi_target *starget;
5136 struct MPT2SAS_TARGET *sas_target_priv_data;
5140 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
5141 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle)))
5144 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
5145 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
5148 /* check if this is end device */
5149 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
5150 if (!(_scsih_is_end_device(device_info)))
5153 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5154 sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
5155 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
5159 printk(MPT2SAS_ERR_FMT "device is not present "
5160 "handle(0x%04x), no sas_device!!!\n", ioc->name, handle);
5161 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5165 if (unlikely(sas_device->handle != handle)) {
5166 starget = sas_device->starget;
5167 sas_target_priv_data = starget->hostdata;
5168 starget_printk(KERN_INFO, starget, "handle changed from(0x%04x)"
5169 " to (0x%04x)!!!\n", sas_device->handle, handle);
5170 sas_target_priv_data->handle = handle;
5171 sas_device->handle = handle;
5174 /* check if device is present */
5175 if (!(le16_to_cpu(sas_device_pg0.Flags) &
5176 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
5177 printk(MPT2SAS_ERR_FMT "device is not present "
5178 "handle(0x%04x), flags!!!\n", ioc->name, handle);
5179 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5183 /* check if there were any issues with discovery */
5184 if (_scsih_check_access_status(ioc, sas_address, handle,
5185 sas_device_pg0.AccessStatus)) {
5186 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5189 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5190 _scsih_ublock_io_device(ioc, sas_address);
5195 * _scsih_add_device - creating sas device object
5196 * @ioc: per adapter object
5197 * @handle: sas device handle
5198 * @phy_num: phy number end device attached to
5199 * @is_pd: is this hidden raid component
5201 * Creating end device object, stored in ioc->sas_device_list.
5203 * Returns 0 for success, non-zero for failure.
5206 _scsih_add_device(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 phy_num, u8 is_pd)
5208 Mpi2ConfigReply_t mpi_reply;
5209 Mpi2SasDevicePage0_t sas_device_pg0;
5210 Mpi2SasEnclosurePage0_t enclosure_pg0;
5211 struct _sas_device *sas_device;
5215 unsigned long flags;
5217 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
5218 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
5219 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5220 ioc->name, __FILE__, __LINE__, __func__);
5224 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
5225 MPI2_IOCSTATUS_MASK;
5226 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
5227 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5228 ioc->name, __FILE__, __LINE__, __func__);
5232 sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
5234 /* check if device is present */
5235 if (!(le16_to_cpu(sas_device_pg0.Flags) &
5236 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
5237 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5238 ioc->name, __FILE__, __LINE__, __func__);
5239 printk(MPT2SAS_ERR_FMT "Flags = 0x%04x\n",
5240 ioc->name, le16_to_cpu(sas_device_pg0.Flags));
5244 /* check if there were any issues with discovery */
5245 if (_scsih_check_access_status(ioc, sas_address, handle,
5246 sas_device_pg0.AccessStatus))
5249 /* check if this is end device */
5250 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
5251 if (!(_scsih_is_end_device(device_info))) {
5252 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5253 ioc->name, __FILE__, __LINE__, __func__);
5258 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5259 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
5261 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5266 sas_device = kzalloc(sizeof(struct _sas_device),
5269 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5270 ioc->name, __FILE__, __LINE__, __func__);
5274 sas_device->handle = handle;
5275 if (_scsih_get_sas_address(ioc, le16_to_cpu
5276 (sas_device_pg0.ParentDevHandle),
5277 &sas_device->sas_address_parent) != 0)
5278 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5279 ioc->name, __FILE__, __LINE__, __func__);
5280 sas_device->enclosure_handle =
5281 le16_to_cpu(sas_device_pg0.EnclosureHandle);
5283 le16_to_cpu(sas_device_pg0.Slot);
5284 sas_device->device_info = device_info;
5285 sas_device->sas_address = sas_address;
5286 sas_device->phy = sas_device_pg0.PhyNum;
5288 /* get enclosure_logical_id */
5289 if (sas_device->enclosure_handle && !(mpt2sas_config_get_enclosure_pg0(
5290 ioc, &mpi_reply, &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
5291 sas_device->enclosure_handle)))
5292 sas_device->enclosure_logical_id =
5293 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
5295 /* get device name */
5296 sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName);
5298 if (ioc->wait_for_discovery_to_complete)
5299 _scsih_sas_device_init_add(ioc, sas_device);
5301 _scsih_sas_device_add(ioc, sas_device);
5307 * _scsih_remove_device - removing sas device object
5308 * @ioc: per adapter object
5309 * @sas_device_delete: the sas_device object
5314 _scsih_remove_device(struct MPT2SAS_ADAPTER *ioc,
5315 struct _sas_device *sas_device)
5317 struct MPT2SAS_TARGET *sas_target_priv_data;
5319 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter: "
5320 "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
5321 sas_device->handle, (unsigned long long)
5322 sas_device->sas_address));
5324 if (sas_device->starget && sas_device->starget->hostdata) {
5325 sas_target_priv_data = sas_device->starget->hostdata;
5326 sas_target_priv_data->deleted = 1;
5327 _scsih_ublock_io_device(ioc, sas_device->sas_address);
5328 sas_target_priv_data->handle =
5329 MPT2SAS_INVALID_DEVICE_HANDLE;
5332 if (!ioc->hide_drives)
5333 mpt2sas_transport_port_remove(ioc,
5334 sas_device->sas_address,
5335 sas_device->sas_address_parent);
5337 printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), sas_addr"
5338 "(0x%016llx)\n", ioc->name, sas_device->handle,
5339 (unsigned long long) sas_device->sas_address);
5341 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit: "
5342 "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
5343 sas_device->handle, (unsigned long long)
5344 sas_device->sas_address));
5348 * _scsih_device_remove_by_handle - removing device object by handle
5349 * @ioc: per adapter object
5350 * @handle: device handle
5355 _scsih_device_remove_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
5357 struct _sas_device *sas_device;
5358 unsigned long flags;
5360 if (ioc->shost_recovery)
5363 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5364 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
5366 list_del(&sas_device->list);
5367 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5369 _scsih_remove_device(ioc, sas_device);
5373 * mpt2sas_device_remove_by_sas_address - removing device object by sas address
5374 * @ioc: per adapter object
5375 * @sas_address: device sas_address
5380 mpt2sas_device_remove_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
5383 struct _sas_device *sas_device;
5384 unsigned long flags;
5386 if (ioc->shost_recovery)
5389 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5390 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
5393 list_del(&sas_device->list);
5394 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5396 _scsih_remove_device(ioc, sas_device);
5398 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5400 * _scsih_sas_topology_change_event_debug - debug for topology event
5401 * @ioc: per adapter object
5402 * @event_data: event data payload
5406 _scsih_sas_topology_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
5407 Mpi2EventDataSasTopologyChangeList_t *event_data)
5413 char *status_str = NULL;
5414 u8 link_rate, prev_link_rate;
5416 switch (event_data->ExpStatus) {
5417 case MPI2_EVENT_SAS_TOPO_ES_ADDED:
5420 case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING:
5421 status_str = "remove";
5423 case MPI2_EVENT_SAS_TOPO_ES_RESPONDING:
5425 status_str = "responding";
5427 case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING:
5428 status_str = "remove delay";
5431 status_str = "unknown status";
5434 printk(MPT2SAS_INFO_FMT "sas topology change: (%s)\n",
5435 ioc->name, status_str);
5436 printk(KERN_INFO "\thandle(0x%04x), enclosure_handle(0x%04x) "
5437 "start_phy(%02d), count(%d)\n",
5438 le16_to_cpu(event_data->ExpanderDevHandle),
5439 le16_to_cpu(event_data->EnclosureHandle),
5440 event_data->StartPhyNum, event_data->NumEntries);
5441 for (i = 0; i < event_data->NumEntries; i++) {
5442 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
5445 phy_number = event_data->StartPhyNum + i;
5446 reason_code = event_data->PHY[i].PhyStatus &
5447 MPI2_EVENT_SAS_TOPO_RC_MASK;
5448 switch (reason_code) {
5449 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
5450 status_str = "target add";
5452 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
5453 status_str = "target remove";
5455 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
5456 status_str = "delay target remove";
5458 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
5459 status_str = "link rate change";
5461 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
5462 status_str = "target responding";
5465 status_str = "unknown";
5468 link_rate = event_data->PHY[i].LinkRate >> 4;
5469 prev_link_rate = event_data->PHY[i].LinkRate & 0xF;
5470 printk(KERN_INFO "\tphy(%02d), attached_handle(0x%04x): %s:"
5471 " link rate: new(0x%02x), old(0x%02x)\n", phy_number,
5472 handle, status_str, link_rate, prev_link_rate);
5479 * _scsih_sas_topology_change_event - handle topology changes
5480 * @ioc: per adapter object
5481 * @fw_event: The fw_event_work object
5486 _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc,
5487 struct fw_event_work *fw_event)
5490 u16 parent_handle, handle;
5492 u8 phy_number, max_phys;
5493 struct _sas_node *sas_expander;
5495 unsigned long flags;
5496 u8 link_rate, prev_link_rate;
5497 Mpi2EventDataSasTopologyChangeList_t *event_data = fw_event->event_data;
5499 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5500 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
5501 _scsih_sas_topology_change_event_debug(ioc, event_data);
5504 if (ioc->remove_host || ioc->pci_error_recovery)
5507 if (!ioc->sas_hba.num_phys)
5508 _scsih_sas_host_add(ioc);
5510 _scsih_sas_host_refresh(ioc);
5512 if (fw_event->ignore) {
5513 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "ignoring expander "
5514 "event\n", ioc->name));
5518 parent_handle = le16_to_cpu(event_data->ExpanderDevHandle);
5520 /* handle expander add */
5521 if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_ADDED)
5522 if (_scsih_expander_add(ioc, parent_handle) != 0)
5525 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5526 sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc,
5529 sas_address = sas_expander->sas_address;
5530 max_phys = sas_expander->num_phys;
5531 } else if (parent_handle < ioc->sas_hba.num_phys) {
5532 sas_address = ioc->sas_hba.sas_address;
5533 max_phys = ioc->sas_hba.num_phys;
5535 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5538 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5540 /* handle siblings events */
5541 for (i = 0; i < event_data->NumEntries; i++) {
5542 if (fw_event->ignore) {
5543 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "ignoring "
5544 "expander event\n", ioc->name));
5547 if (ioc->shost_recovery || ioc->remove_host ||
5548 ioc->pci_error_recovery)
5550 phy_number = event_data->StartPhyNum + i;
5551 if (phy_number >= max_phys)
5553 reason_code = event_data->PHY[i].PhyStatus &
5554 MPI2_EVENT_SAS_TOPO_RC_MASK;
5555 if ((event_data->PHY[i].PhyStatus &
5556 MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) && (reason_code !=
5557 MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING))
5559 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
5562 link_rate = event_data->PHY[i].LinkRate >> 4;
5563 prev_link_rate = event_data->PHY[i].LinkRate & 0xF;
5564 switch (reason_code) {
5565 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
5567 if (ioc->shost_recovery)
5570 if (link_rate == prev_link_rate)
5573 mpt2sas_transport_update_links(ioc, sas_address,
5574 handle, phy_number, link_rate);
5576 if (link_rate < MPI2_SAS_NEG_LINK_RATE_1_5)
5579 _scsih_check_device(ioc, handle);
5581 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
5583 if (ioc->shost_recovery)
5586 mpt2sas_transport_update_links(ioc, sas_address,
5587 handle, phy_number, link_rate);
5589 _scsih_add_device(ioc, handle, phy_number, 0);
5591 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
5593 _scsih_device_remove_by_handle(ioc, handle);
5598 /* handle expander removal */
5599 if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING &&
5601 mpt2sas_expander_remove(ioc, sas_address);
5605 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5607 * _scsih_sas_device_status_change_event_debug - debug for device event
5608 * @event_data: event data payload
5614 _scsih_sas_device_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
5615 Mpi2EventDataSasDeviceStatusChange_t *event_data)
5617 char *reason_str = NULL;
5619 switch (event_data->ReasonCode) {
5620 case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
5621 reason_str = "smart data";
5623 case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED:
5624 reason_str = "unsupported device discovered";
5626 case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
5627 reason_str = "internal device reset";
5629 case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL:
5630 reason_str = "internal task abort";
5632 case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL:
5633 reason_str = "internal task abort set";
5635 case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL:
5636 reason_str = "internal clear task set";
5638 case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL:
5639 reason_str = "internal query task";
5641 case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE:
5642 reason_str = "sata init failure";
5644 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET:
5645 reason_str = "internal device reset complete";
5647 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL:
5648 reason_str = "internal task abort complete";
5650 case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION:
5651 reason_str = "internal async notification";
5653 case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY:
5654 reason_str = "expander reduced functionality";
5656 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY:
5657 reason_str = "expander reduced functionality complete";
5660 reason_str = "unknown reason";
5663 printk(MPT2SAS_INFO_FMT "device status change: (%s)\n"
5664 "\thandle(0x%04x), sas address(0x%016llx), tag(%d)",
5665 ioc->name, reason_str, le16_to_cpu(event_data->DevHandle),
5666 (unsigned long long)le64_to_cpu(event_data->SASAddress),
5667 le16_to_cpu(event_data->TaskTag));
5668 if (event_data->ReasonCode == MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA)
5669 printk(MPT2SAS_INFO_FMT ", ASC(0x%x), ASCQ(0x%x)\n", ioc->name,
5670 event_data->ASC, event_data->ASCQ);
5671 printk(KERN_INFO "\n");
5676 * _scsih_sas_device_status_change_event - handle device status change
5677 * @ioc: per adapter object
5678 * @fw_event: The fw_event_work object
5684 _scsih_sas_device_status_change_event(struct MPT2SAS_ADAPTER *ioc,
5685 struct fw_event_work *fw_event)
5687 struct MPT2SAS_TARGET *target_priv_data;
5688 struct _sas_device *sas_device;
5690 unsigned long flags;
5691 Mpi2EventDataSasDeviceStatusChange_t *event_data =
5692 fw_event->event_data;
5694 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5695 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
5696 _scsih_sas_device_status_change_event_debug(ioc,
5700 /* In MPI Revision K (0xC), the internal device reset complete was
5701 * implemented, so avoid setting tm_busy flag for older firmware.
5703 if ((ioc->facts.HeaderVersion >> 8) < 0xC)
5706 if (event_data->ReasonCode !=
5707 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET &&
5708 event_data->ReasonCode !=
5709 MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET)
5712 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5713 sas_address = le64_to_cpu(event_data->SASAddress);
5714 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
5717 if (!sas_device || !sas_device->starget) {
5718 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5722 target_priv_data = sas_device->starget->hostdata;
5723 if (!target_priv_data) {
5724 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5728 if (event_data->ReasonCode ==
5729 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET)
5730 target_priv_data->tm_busy = 1;
5732 target_priv_data->tm_busy = 0;
5733 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5736 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5738 * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure event
5739 * @ioc: per adapter object
5740 * @event_data: event data payload
5746 _scsih_sas_enclosure_dev_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
5747 Mpi2EventDataSasEnclDevStatusChange_t *event_data)
5749 char *reason_str = NULL;
5751 switch (event_data->ReasonCode) {
5752 case MPI2_EVENT_SAS_ENCL_RC_ADDED:
5753 reason_str = "enclosure add";
5755 case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING:
5756 reason_str = "enclosure remove";
5759 reason_str = "unknown reason";
5763 printk(MPT2SAS_INFO_FMT "enclosure status change: (%s)\n"
5764 "\thandle(0x%04x), enclosure logical id(0x%016llx)"
5765 " number slots(%d)\n", ioc->name, reason_str,
5766 le16_to_cpu(event_data->EnclosureHandle),
5767 (unsigned long long)le64_to_cpu(event_data->EnclosureLogicalID),
5768 le16_to_cpu(event_data->StartSlot));
5773 * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events
5774 * @ioc: per adapter object
5775 * @fw_event: The fw_event_work object
5781 _scsih_sas_enclosure_dev_status_change_event(struct MPT2SAS_ADAPTER *ioc,
5782 struct fw_event_work *fw_event)
5784 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5785 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
5786 _scsih_sas_enclosure_dev_status_change_event_debug(ioc,
5787 fw_event->event_data);
5792 * _scsih_sas_broadcast_primitive_event - handle broadcast events
5793 * @ioc: per adapter object
5794 * @fw_event: The fw_event_work object
5800 _scsih_sas_broadcast_primitive_event(struct MPT2SAS_ADAPTER *ioc,
5801 struct fw_event_work *fw_event)
5803 struct scsi_cmnd *scmd;
5804 struct scsi_device *sdev;
5807 struct MPT2SAS_DEVICE *sas_device_priv_data;
5808 u32 termination_count;
5810 Mpi2SCSITaskManagementReply_t *mpi_reply;
5811 Mpi2EventDataSasBroadcastPrimitive_t *event_data = fw_event->event_data;
5813 unsigned long flags;
5816 u8 task_abort_retries;
5818 mutex_lock(&ioc->tm_cmds.mutex);
5819 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter: phy number(%d), "
5820 "width(%d)\n", ioc->name, __func__, event_data->PhyNum,
5821 event_data->PortWidth));
5823 _scsih_block_io_all_device(ioc);
5825 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
5826 mpi_reply = ioc->tm_cmds.reply;
5827 broadcast_aen_retry:
5829 /* sanity checks for retrying this loop */
5830 if (max_retries++ == 5) {
5831 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: giving up\n",
5832 ioc->name, __func__));
5834 } else if (max_retries > 1)
5835 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: %d retry\n",
5836 ioc->name, __func__, max_retries - 1));
5838 termination_count = 0;
5840 for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
5841 if (ioc->shost_recovery)
5843 scmd = _scsih_scsi_lookup_get(ioc, smid);
5846 sdev = scmd->device;
5847 sas_device_priv_data = sdev->hostdata;
5848 if (!sas_device_priv_data || !sas_device_priv_data->sas_target)
5850 /* skip hidden raid components */
5851 if (sas_device_priv_data->sas_target->flags &
5852 MPT_TARGET_FLAGS_RAID_COMPONENT)
5855 if (sas_device_priv_data->sas_target->flags &
5856 MPT_TARGET_FLAGS_VOLUME)
5859 handle = sas_device_priv_data->sas_target->handle;
5860 lun = sas_device_priv_data->lun;
5863 if (ioc->shost_recovery)
5866 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
5867 r = mpt2sas_scsih_issue_tm(ioc, handle, 0, 0, lun,
5868 MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30, 0,
5871 sdev_printk(KERN_WARNING, sdev,
5872 "mpt2sas_scsih_issue_tm: FAILED when sending "
5873 "QUERY_TASK: scmd(%p)\n", scmd);
5874 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
5875 goto broadcast_aen_retry;
5877 ioc_status = le16_to_cpu(mpi_reply->IOCStatus)
5878 & MPI2_IOCSTATUS_MASK;
5879 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
5880 sdev_printk(KERN_WARNING, sdev, "query task: FAILED "
5881 "with IOCSTATUS(0x%04x), scmd(%p)\n", ioc_status,
5883 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
5884 goto broadcast_aen_retry;
5887 /* see if IO is still owned by IOC and target */
5888 if (mpi_reply->ResponseCode ==
5889 MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED ||
5890 mpi_reply->ResponseCode ==
5891 MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC) {
5892 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
5895 task_abort_retries = 0;
5897 if (task_abort_retries++ == 60) {
5898 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
5899 "%s: ABORT_TASK: giving up\n", ioc->name,
5901 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
5902 goto broadcast_aen_retry;
5905 if (ioc->shost_recovery)
5908 r = mpt2sas_scsih_issue_tm(ioc, handle, sdev->channel, sdev->id,
5909 sdev->lun, MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30,
5910 scmd->serial_number, TM_MUTEX_OFF);
5912 sdev_printk(KERN_WARNING, sdev,
5913 "mpt2sas_scsih_issue_tm: ABORT_TASK: FAILED : "
5914 "scmd(%p)\n", scmd);
5918 if (task_abort_retries > 1)
5919 sdev_printk(KERN_WARNING, sdev,
5920 "mpt2sas_scsih_issue_tm: ABORT_TASK: RETRIES (%d):"
5922 task_abort_retries - 1, scmd);
5924 termination_count += le32_to_cpu(mpi_reply->TerminationCount);
5925 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
5928 if (ioc->broadcast_aen_pending) {
5929 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: loop back due to"
5930 " pending AEN\n", ioc->name, __func__));
5931 ioc->broadcast_aen_pending = 0;
5932 goto broadcast_aen_retry;
5936 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
5939 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
5940 "%s - exit, query_count = %d termination_count = %d\n",
5941 ioc->name, __func__, query_count, termination_count));
5943 ioc->broadcast_aen_busy = 0;
5944 if (!ioc->shost_recovery)
5945 _scsih_ublock_io_all_device(ioc);
5946 mutex_unlock(&ioc->tm_cmds.mutex);
5950 * _scsih_sas_discovery_event - handle discovery events
5951 * @ioc: per adapter object
5952 * @fw_event: The fw_event_work object
5958 _scsih_sas_discovery_event(struct MPT2SAS_ADAPTER *ioc,
5959 struct fw_event_work *fw_event)
5961 Mpi2EventDataSasDiscovery_t *event_data = fw_event->event_data;
5963 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5964 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) {
5965 printk(MPT2SAS_INFO_FMT "discovery event: (%s)", ioc->name,
5966 (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ?
5968 if (event_data->DiscoveryStatus)
5969 printk("discovery_status(0x%08x)",
5970 le32_to_cpu(event_data->DiscoveryStatus));
5975 if (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED &&
5976 !ioc->sas_hba.num_phys)
5977 _scsih_sas_host_add(ioc);
5981 * _scsih_reprobe_lun - reprobing lun
5982 * @sdev: scsi device struct
5983 * @no_uld_attach: sdev->no_uld_attach flag setting
5987 _scsih_reprobe_lun(struct scsi_device *sdev, void *no_uld_attach)
5991 sdev->no_uld_attach = no_uld_attach ? 1 : 0;
5992 sdev_printk(KERN_INFO, sdev, "%s raid component\n",
5993 sdev->no_uld_attach ? "hidding" : "exposing");
5994 rc = scsi_device_reprobe(sdev);
5998 * _scsih_sas_volume_add - add new volume
5999 * @ioc: per adapter object
6000 * @element: IR config element data
6006 _scsih_sas_volume_add(struct MPT2SAS_ADAPTER *ioc,
6007 Mpi2EventIrConfigElement_t *element)
6009 struct _raid_device *raid_device;
6010 unsigned long flags;
6012 u16 handle = le16_to_cpu(element->VolDevHandle);
6015 mpt2sas_config_get_volume_wwid(ioc, handle, &wwid);
6017 printk(MPT2SAS_ERR_FMT
6018 "failure at %s:%d/%s()!\n", ioc->name,
6019 __FILE__, __LINE__, __func__);
6023 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6024 raid_device = _scsih_raid_device_find_by_wwid(ioc, wwid);
6025 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6030 raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
6032 printk(MPT2SAS_ERR_FMT
6033 "failure at %s:%d/%s()!\n", ioc->name,
6034 __FILE__, __LINE__, __func__);
6038 raid_device->id = ioc->sas_id++;
6039 raid_device->channel = RAID_CHANNEL;
6040 raid_device->handle = handle;
6041 raid_device->wwid = wwid;
6042 _scsih_raid_device_add(ioc, raid_device);
6043 if (!ioc->wait_for_discovery_to_complete) {
6044 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
6045 raid_device->id, 0);
6047 _scsih_raid_device_remove(ioc, raid_device);
6049 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6050 _scsih_determine_boot_device(ioc, raid_device, 1);
6051 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6056 * _scsih_sas_volume_delete - delete volume
6057 * @ioc: per adapter object
6058 * @handle: volume device handle
6064 _scsih_sas_volume_delete(struct MPT2SAS_ADAPTER *ioc, u16 handle)
6066 struct _raid_device *raid_device;
6067 unsigned long flags;
6068 struct MPT2SAS_TARGET *sas_target_priv_data;
6069 struct scsi_target *starget = NULL;
6071 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6072 raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
6074 if (raid_device->starget) {
6075 starget = raid_device->starget;
6076 sas_target_priv_data = starget->hostdata;
6077 sas_target_priv_data->deleted = 1;
6079 printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), wwid"
6080 "(0x%016llx)\n", ioc->name, raid_device->handle,
6081 (unsigned long long) raid_device->wwid);
6082 list_del(&raid_device->list);
6085 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6087 scsi_remove_target(&starget->dev);
6091 * _scsih_sas_pd_expose - expose pd component to /dev/sdX
6092 * @ioc: per adapter object
6093 * @element: IR config element data
6099 _scsih_sas_pd_expose(struct MPT2SAS_ADAPTER *ioc,
6100 Mpi2EventIrConfigElement_t *element)
6102 struct _sas_device *sas_device;
6103 struct scsi_target *starget = NULL;
6104 struct MPT2SAS_TARGET *sas_target_priv_data;
6105 unsigned long flags;
6106 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6108 spin_lock_irqsave(&ioc->sas_device_lock, flags);
6109 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
6111 sas_device->volume_handle = 0;
6112 sas_device->volume_wwid = 0;
6113 clear_bit(handle, ioc->pd_handles);
6114 if (sas_device->starget && sas_device->starget->hostdata) {
6115 starget = sas_device->starget;
6116 sas_target_priv_data = starget->hostdata;
6117 sas_target_priv_data->flags &=
6118 ~MPT_TARGET_FLAGS_RAID_COMPONENT;
6121 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
6125 /* exposing raid component */
6127 starget_for_each_device(starget, NULL, _scsih_reprobe_lun);
6131 * _scsih_sas_pd_hide - hide pd component from /dev/sdX
6132 * @ioc: per adapter object
6133 * @element: IR config element data
6139 _scsih_sas_pd_hide(struct MPT2SAS_ADAPTER *ioc,
6140 Mpi2EventIrConfigElement_t *element)
6142 struct _sas_device *sas_device;
6143 struct scsi_target *starget = NULL;
6144 struct MPT2SAS_TARGET *sas_target_priv_data;
6145 unsigned long flags;
6146 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6147 u16 volume_handle = 0;
6148 u64 volume_wwid = 0;
6150 mpt2sas_config_get_volume_handle(ioc, handle, &volume_handle);
6152 mpt2sas_config_get_volume_wwid(ioc, volume_handle,
6155 spin_lock_irqsave(&ioc->sas_device_lock, flags);
6156 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
6158 set_bit(handle, ioc->pd_handles);
6159 if (sas_device->starget && sas_device->starget->hostdata) {
6160 starget = sas_device->starget;
6161 sas_target_priv_data = starget->hostdata;
6162 sas_target_priv_data->flags |=
6163 MPT_TARGET_FLAGS_RAID_COMPONENT;
6164 sas_device->volume_handle = volume_handle;
6165 sas_device->volume_wwid = volume_wwid;
6168 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
6172 /* hiding raid component */
6174 starget_for_each_device(starget, (void *)1, _scsih_reprobe_lun);
6178 * _scsih_sas_pd_delete - delete pd component
6179 * @ioc: per adapter object
6180 * @element: IR config element data
6186 _scsih_sas_pd_delete(struct MPT2SAS_ADAPTER *ioc,
6187 Mpi2EventIrConfigElement_t *element)
6189 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6191 _scsih_device_remove_by_handle(ioc, handle);
6195 * _scsih_sas_pd_add - remove pd component
6196 * @ioc: per adapter object
6197 * @element: IR config element data
6203 _scsih_sas_pd_add(struct MPT2SAS_ADAPTER *ioc,
6204 Mpi2EventIrConfigElement_t *element)
6206 struct _sas_device *sas_device;
6207 unsigned long flags;
6208 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6209 Mpi2ConfigReply_t mpi_reply;
6210 Mpi2SasDevicePage0_t sas_device_pg0;
6215 set_bit(handle, ioc->pd_handles);
6217 spin_lock_irqsave(&ioc->sas_device_lock, flags);
6218 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
6219 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
6223 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
6224 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
6225 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
6226 ioc->name, __FILE__, __LINE__, __func__);
6230 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
6231 MPI2_IOCSTATUS_MASK;
6232 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6233 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
6234 ioc->name, __FILE__, __LINE__, __func__);
6238 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
6239 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
6240 mpt2sas_transport_update_links(ioc, sas_address, handle,
6241 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
6243 _scsih_add_device(ioc, handle, 0, 1);
6246 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
6248 * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events
6249 * @ioc: per adapter object
6250 * @event_data: event data payload
6256 _scsih_sas_ir_config_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
6257 Mpi2EventDataIrConfigChangeList_t *event_data)
6259 Mpi2EventIrConfigElement_t *element;
6262 char *reason_str = NULL, *element_str = NULL;
6264 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
6266 printk(MPT2SAS_INFO_FMT "raid config change: (%s), elements(%d)\n",
6267 ioc->name, (le32_to_cpu(event_data->Flags) &
6268 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ?
6269 "foreign" : "native", event_data->NumElements);
6270 for (i = 0; i < event_data->NumElements; i++, element++) {
6271 switch (element->ReasonCode) {
6272 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
6275 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
6276 reason_str = "remove";
6278 case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE:
6279 reason_str = "no change";
6281 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
6282 reason_str = "hide";
6284 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
6285 reason_str = "unhide";
6287 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
6288 reason_str = "volume_created";
6290 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
6291 reason_str = "volume_deleted";
6293 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
6294 reason_str = "pd_created";
6296 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
6297 reason_str = "pd_deleted";
6300 reason_str = "unknown reason";
6303 element_type = le16_to_cpu(element->ElementFlags) &
6304 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK;
6305 switch (element_type) {
6306 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT:
6307 element_str = "volume";
6309 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT:
6310 element_str = "phys disk";
6312 case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT:
6313 element_str = "hot spare";
6316 element_str = "unknown element";
6319 printk(KERN_INFO "\t(%s:%s), vol handle(0x%04x), "
6320 "pd handle(0x%04x), pd num(0x%02x)\n", element_str,
6321 reason_str, le16_to_cpu(element->VolDevHandle),
6322 le16_to_cpu(element->PhysDiskDevHandle),
6323 element->PhysDiskNum);
6329 * _scsih_sas_ir_config_change_event - handle ir configuration change events
6330 * @ioc: per adapter object
6331 * @fw_event: The fw_event_work object
6337 _scsih_sas_ir_config_change_event(struct MPT2SAS_ADAPTER *ioc,
6338 struct fw_event_work *fw_event)
6340 Mpi2EventIrConfigElement_t *element;
6343 Mpi2EventDataIrConfigChangeList_t *event_data = fw_event->event_data;
6345 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
6346 if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
6347 && !ioc->hide_ir_msg)
6348 _scsih_sas_ir_config_change_event_debug(ioc, event_data);
6352 if (ioc->shost_recovery)
6355 foreign_config = (le32_to_cpu(event_data->Flags) &
6356 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
6358 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
6359 for (i = 0; i < event_data->NumElements; i++, element++) {
6361 switch (element->ReasonCode) {
6362 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
6363 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
6364 if (!foreign_config)
6365 _scsih_sas_volume_add(ioc, element);
6367 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
6368 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
6369 if (!foreign_config)
6370 _scsih_sas_volume_delete(ioc,
6371 le16_to_cpu(element->VolDevHandle));
6373 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
6374 if (!ioc->is_warpdrive)
6375 _scsih_sas_pd_hide(ioc, element);
6377 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
6378 if (!ioc->is_warpdrive)
6379 _scsih_sas_pd_expose(ioc, element);
6381 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
6382 if (!ioc->is_warpdrive)
6383 _scsih_sas_pd_add(ioc, element);
6385 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
6386 if (!ioc->is_warpdrive)
6387 _scsih_sas_pd_delete(ioc, element);
6394 * _scsih_sas_ir_volume_event - IR volume event
6395 * @ioc: per adapter object
6396 * @fw_event: The fw_event_work object
6402 _scsih_sas_ir_volume_event(struct MPT2SAS_ADAPTER *ioc,
6403 struct fw_event_work *fw_event)
6406 unsigned long flags;
6407 struct _raid_device *raid_device;
6411 Mpi2EventDataIrVolume_t *event_data = fw_event->event_data;
6413 if (ioc->shost_recovery)
6416 if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
6419 handle = le16_to_cpu(event_data->VolDevHandle);
6420 state = le32_to_cpu(event_data->NewValue);
6421 if (!ioc->hide_ir_msg)
6422 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle(0x%04x), "
6423 "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle,
6424 le32_to_cpu(event_data->PreviousValue), state));
6427 case MPI2_RAID_VOL_STATE_MISSING:
6428 case MPI2_RAID_VOL_STATE_FAILED:
6429 _scsih_sas_volume_delete(ioc, handle);
6432 case MPI2_RAID_VOL_STATE_ONLINE:
6433 case MPI2_RAID_VOL_STATE_DEGRADED:
6434 case MPI2_RAID_VOL_STATE_OPTIMAL:
6436 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6437 raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
6438 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6443 mpt2sas_config_get_volume_wwid(ioc, handle, &wwid);
6445 printk(MPT2SAS_ERR_FMT
6446 "failure at %s:%d/%s()!\n", ioc->name,
6447 __FILE__, __LINE__, __func__);
6451 raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
6453 printk(MPT2SAS_ERR_FMT
6454 "failure at %s:%d/%s()!\n", ioc->name,
6455 __FILE__, __LINE__, __func__);
6459 raid_device->id = ioc->sas_id++;
6460 raid_device->channel = RAID_CHANNEL;
6461 raid_device->handle = handle;
6462 raid_device->wwid = wwid;
6463 _scsih_raid_device_add(ioc, raid_device);
6464 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
6465 raid_device->id, 0);
6467 _scsih_raid_device_remove(ioc, raid_device);
6470 case MPI2_RAID_VOL_STATE_INITIALIZING:
6477 * _scsih_sas_ir_physical_disk_event - PD event
6478 * @ioc: per adapter object
6479 * @fw_event: The fw_event_work object
6485 _scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER *ioc,
6486 struct fw_event_work *fw_event)
6488 u16 handle, parent_handle;
6490 struct _sas_device *sas_device;
6491 unsigned long flags;
6492 Mpi2ConfigReply_t mpi_reply;
6493 Mpi2SasDevicePage0_t sas_device_pg0;
6495 Mpi2EventDataIrPhysicalDisk_t *event_data = fw_event->event_data;
6498 if (ioc->shost_recovery)
6501 if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED)
6504 handle = le16_to_cpu(event_data->PhysDiskDevHandle);
6505 state = le32_to_cpu(event_data->NewValue);
6507 if (!ioc->hide_ir_msg)
6508 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle(0x%04x), "
6509 "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle,
6510 le32_to_cpu(event_data->PreviousValue), state));
6513 case MPI2_RAID_PD_STATE_ONLINE:
6514 case MPI2_RAID_PD_STATE_DEGRADED:
6515 case MPI2_RAID_PD_STATE_REBUILDING:
6516 case MPI2_RAID_PD_STATE_OPTIMAL:
6517 case MPI2_RAID_PD_STATE_HOT_SPARE:
6519 if (!ioc->is_warpdrive)
6520 set_bit(handle, ioc->pd_handles);
6522 spin_lock_irqsave(&ioc->sas_device_lock, flags);
6523 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
6524 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
6529 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
6530 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
6532 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
6533 ioc->name, __FILE__, __LINE__, __func__);
6537 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
6538 MPI2_IOCSTATUS_MASK;
6539 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6540 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
6541 ioc->name, __FILE__, __LINE__, __func__);
6545 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
6546 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
6547 mpt2sas_transport_update_links(ioc, sas_address, handle,
6548 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
6550 _scsih_add_device(ioc, handle, 0, 1);
6554 case MPI2_RAID_PD_STATE_OFFLINE:
6555 case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
6556 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
6562 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
6564 * _scsih_sas_ir_operation_status_event_debug - debug for IR op event
6565 * @ioc: per adapter object
6566 * @event_data: event data payload
6572 _scsih_sas_ir_operation_status_event_debug(struct MPT2SAS_ADAPTER *ioc,
6573 Mpi2EventDataIrOperationStatus_t *event_data)
6575 char *reason_str = NULL;
6577 switch (event_data->RAIDOperation) {
6578 case MPI2_EVENT_IR_RAIDOP_RESYNC:
6579 reason_str = "resync";
6581 case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION:
6582 reason_str = "online capacity expansion";
6584 case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK:
6585 reason_str = "consistency check";
6587 case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT:
6588 reason_str = "background init";
6590 case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT:
6591 reason_str = "make data consistent";
6598 printk(MPT2SAS_INFO_FMT "raid operational status: (%s)"
6599 "\thandle(0x%04x), percent complete(%d)\n",
6600 ioc->name, reason_str,
6601 le16_to_cpu(event_data->VolDevHandle),
6602 event_data->PercentComplete);
6607 * _scsih_sas_ir_operation_status_event - handle RAID operation events
6608 * @ioc: per adapter object
6609 * @fw_event: The fw_event_work object
6615 _scsih_sas_ir_operation_status_event(struct MPT2SAS_ADAPTER *ioc,
6616 struct fw_event_work *fw_event)
6618 Mpi2EventDataIrOperationStatus_t *event_data = fw_event->event_data;
6619 static struct _raid_device *raid_device;
6620 unsigned long flags;
6623 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
6624 if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
6625 && !ioc->hide_ir_msg)
6626 _scsih_sas_ir_operation_status_event_debug(ioc,
6630 /* code added for raid transport support */
6631 if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) {
6633 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6634 handle = le16_to_cpu(event_data->VolDevHandle);
6635 raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
6637 raid_device->percent_complete =
6638 event_data->PercentComplete;
6639 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6644 * _scsih_prep_device_scan - initialize parameters prior to device scan
6645 * @ioc: per adapter object
6647 * Set the deleted flag prior to device scan. If the device is found during
6648 * the scan, then we clear the deleted flag.
6651 _scsih_prep_device_scan(struct MPT2SAS_ADAPTER *ioc)
6653 struct MPT2SAS_DEVICE *sas_device_priv_data;
6654 struct scsi_device *sdev;
6656 shost_for_each_device(sdev, ioc->shost) {
6657 sas_device_priv_data = sdev->hostdata;
6658 if (sas_device_priv_data && sas_device_priv_data->sas_target)
6659 sas_device_priv_data->sas_target->deleted = 1;
6664 * _scsih_mark_responding_sas_device - mark a sas_devices as responding
6665 * @ioc: per adapter object
6666 * @sas_address: sas address
6667 * @slot: enclosure slot id
6668 * @handle: device handle
6670 * After host reset, find out whether devices are still responding.
6671 * Used in _scsi_remove_unresponsive_sas_devices.
6676 _scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
6677 u16 slot, u16 handle)
6679 struct MPT2SAS_TARGET *sas_target_priv_data = NULL;
6680 struct scsi_target *starget;
6681 struct _sas_device *sas_device;
6682 unsigned long flags;
6684 spin_lock_irqsave(&ioc->sas_device_lock, flags);
6685 list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
6686 if (sas_device->sas_address == sas_address &&
6687 sas_device->slot == slot) {
6688 sas_device->responding = 1;
6689 starget = sas_device->starget;
6690 if (starget && starget->hostdata) {
6691 sas_target_priv_data = starget->hostdata;
6692 sas_target_priv_data->tm_busy = 0;
6693 sas_target_priv_data->deleted = 0;
6695 sas_target_priv_data = NULL;
6697 starget_printk(KERN_INFO, starget,
6698 "handle(0x%04x), sas_addr(0x%016llx), "
6699 "enclosure logical id(0x%016llx), "
6700 "slot(%d)\n", handle,
6701 (unsigned long long)sas_device->sas_address,
6702 (unsigned long long)
6703 sas_device->enclosure_logical_id,
6705 if (sas_device->handle == handle)
6707 printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n",
6708 sas_device->handle);
6709 sas_device->handle = handle;
6710 if (sas_target_priv_data)
6711 sas_target_priv_data->handle = handle;
6716 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
6720 * _scsih_search_responding_sas_devices -
6721 * @ioc: per adapter object
6723 * After host reset, find out whether devices are still responding.
6729 _scsih_search_responding_sas_devices(struct MPT2SAS_ADAPTER *ioc)
6731 Mpi2SasDevicePage0_t sas_device_pg0;
6732 Mpi2ConfigReply_t mpi_reply;
6739 printk(MPT2SAS_INFO_FMT "search for end-devices: start\n", ioc->name);
6741 if (list_empty(&ioc->sas_device_list))
6745 while (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
6746 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
6748 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
6749 MPI2_IOCSTATUS_MASK;
6750 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
6752 handle = le16_to_cpu(sas_device_pg0.DevHandle);
6753 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
6754 if (!(_scsih_is_end_device(device_info)))
6756 sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
6757 slot = le16_to_cpu(sas_device_pg0.Slot);
6758 _scsih_mark_responding_sas_device(ioc, sas_address, slot,
6762 printk(MPT2SAS_INFO_FMT "search for end-devices: complete\n",
6767 * _scsih_mark_responding_raid_device - mark a raid_device as responding
6768 * @ioc: per adapter object
6769 * @wwid: world wide identifier for raid volume
6770 * @handle: device handle
6772 * After host reset, find out whether devices are still responding.
6773 * Used in _scsi_remove_unresponsive_raid_devices.
6778 _scsih_mark_responding_raid_device(struct MPT2SAS_ADAPTER *ioc, u64 wwid,
6781 struct MPT2SAS_TARGET *sas_target_priv_data;
6782 struct scsi_target *starget;
6783 struct _raid_device *raid_device;
6784 unsigned long flags;
6786 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6787 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
6788 if (raid_device->wwid == wwid && raid_device->starget) {
6789 starget = raid_device->starget;
6790 if (starget && starget->hostdata) {
6791 sas_target_priv_data = starget->hostdata;
6792 sas_target_priv_data->deleted = 0;
6794 sas_target_priv_data = NULL;
6795 raid_device->responding = 1;
6796 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6797 starget_printk(KERN_INFO, raid_device->starget,
6798 "handle(0x%04x), wwid(0x%016llx)\n", handle,
6799 (unsigned long long)raid_device->wwid);
6801 * WARPDRIVE: The handles of the PDs might have changed
6802 * across the host reset so re-initialize the
6803 * required data for Direct IO
6805 _scsih_init_warpdrive_properties(ioc, raid_device);
6806 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6807 if (raid_device->handle == handle) {
6808 spin_unlock_irqrestore(&ioc->raid_device_lock,
6812 printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n",
6813 raid_device->handle);
6814 raid_device->handle = handle;
6815 if (sas_target_priv_data)
6816 sas_target_priv_data->handle = handle;
6817 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6822 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6826 * _scsih_search_responding_raid_devices -
6827 * @ioc: per adapter object
6829 * After host reset, find out whether devices are still responding.
6835 _scsih_search_responding_raid_devices(struct MPT2SAS_ADAPTER *ioc)
6837 Mpi2RaidVolPage1_t volume_pg1;
6838 Mpi2RaidVolPage0_t volume_pg0;
6839 Mpi2RaidPhysDiskPage0_t pd_pg0;
6840 Mpi2ConfigReply_t mpi_reply;
6845 if (!ioc->ir_firmware)
6848 printk(MPT2SAS_INFO_FMT "search for raid volumes: start\n",
6851 if (list_empty(&ioc->raid_device_list))
6855 while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
6856 &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
6857 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
6858 MPI2_IOCSTATUS_MASK;
6859 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
6861 handle = le16_to_cpu(volume_pg1.DevHandle);
6863 if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply,
6864 &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
6865 sizeof(Mpi2RaidVolPage0_t)))
6868 if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL ||
6869 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE ||
6870 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED)
6871 _scsih_mark_responding_raid_device(ioc,
6872 le64_to_cpu(volume_pg1.WWID), handle);
6875 /* refresh the pd_handles */
6876 if (!ioc->is_warpdrive) {
6877 phys_disk_num = 0xFF;
6878 memset(ioc->pd_handles, 0, ioc->pd_handles_sz);
6879 while (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
6880 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM,
6882 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
6883 MPI2_IOCSTATUS_MASK;
6884 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
6886 phys_disk_num = pd_pg0.PhysDiskNum;
6887 handle = le16_to_cpu(pd_pg0.DevHandle);
6888 set_bit(handle, ioc->pd_handles);
6892 printk(MPT2SAS_INFO_FMT "search for responding raid volumes: "
6893 "complete\n", ioc->name);
6897 * _scsih_mark_responding_expander - mark a expander as responding
6898 * @ioc: per adapter object
6899 * @sas_address: sas address
6902 * After host reset, find out whether devices are still responding.
6903 * Used in _scsi_remove_unresponsive_expanders.
6908 _scsih_mark_responding_expander(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
6911 struct _sas_node *sas_expander;
6912 unsigned long flags;
6915 spin_lock_irqsave(&ioc->sas_node_lock, flags);
6916 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
6917 if (sas_expander->sas_address != sas_address)
6919 sas_expander->responding = 1;
6920 if (sas_expander->handle == handle)
6922 printk(KERN_INFO "\texpander(0x%016llx): handle changed"
6923 " from(0x%04x) to (0x%04x)!!!\n",
6924 (unsigned long long)sas_expander->sas_address,
6925 sas_expander->handle, handle);
6926 sas_expander->handle = handle;
6927 for (i = 0 ; i < sas_expander->num_phys ; i++)
6928 sas_expander->phy[i].handle = handle;
6932 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
6936 * _scsih_search_responding_expanders -
6937 * @ioc: per adapter object
6939 * After host reset, find out whether devices are still responding.
6945 _scsih_search_responding_expanders(struct MPT2SAS_ADAPTER *ioc)
6947 Mpi2ExpanderPage0_t expander_pg0;
6948 Mpi2ConfigReply_t mpi_reply;
6953 printk(MPT2SAS_INFO_FMT "search for expanders: start\n", ioc->name);
6955 if (list_empty(&ioc->sas_expander_list))
6959 while (!(mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
6960 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) {
6962 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
6963 MPI2_IOCSTATUS_MASK;
6964 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
6967 handle = le16_to_cpu(expander_pg0.DevHandle);
6968 sas_address = le64_to_cpu(expander_pg0.SASAddress);
6969 printk(KERN_INFO "\texpander present: handle(0x%04x), "
6970 "sas_addr(0x%016llx)\n", handle,
6971 (unsigned long long)sas_address);
6972 _scsih_mark_responding_expander(ioc, sas_address, handle);
6976 printk(MPT2SAS_INFO_FMT "search for expanders: complete\n", ioc->name);
6980 * _scsih_remove_unresponding_sas_devices - removing unresponding devices
6981 * @ioc: per adapter object
6986 _scsih_remove_unresponding_sas_devices(struct MPT2SAS_ADAPTER *ioc)
6988 struct _sas_device *sas_device, *sas_device_next;
6989 struct _sas_node *sas_expander, *sas_expander_next;
6990 struct _raid_device *raid_device, *raid_device_next;
6991 struct list_head tmp_list;
6992 unsigned long flags;
6994 printk(MPT2SAS_INFO_FMT "removing unresponding devices: start\n",
6997 /* removing unresponding end devices */
6998 printk(MPT2SAS_INFO_FMT "removing unresponding devices: end-devices\n",
7000 list_for_each_entry_safe(sas_device, sas_device_next,
7001 &ioc->sas_device_list, list) {
7002 if (!sas_device->responding)
7003 mpt2sas_device_remove_by_sas_address(ioc,
7004 sas_device->sas_address);
7006 sas_device->responding = 0;
7009 /* removing unresponding volumes */
7010 if (ioc->ir_firmware) {
7011 printk(MPT2SAS_INFO_FMT "removing unresponding devices: "
7012 "volumes\n", ioc->name);
7013 list_for_each_entry_safe(raid_device, raid_device_next,
7014 &ioc->raid_device_list, list) {
7015 if (!raid_device->responding)
7016 _scsih_sas_volume_delete(ioc,
7017 raid_device->handle);
7019 raid_device->responding = 0;
7022 /* removing unresponding expanders */
7023 printk(MPT2SAS_INFO_FMT "removing unresponding devices: expanders\n",
7025 spin_lock_irqsave(&ioc->sas_node_lock, flags);
7026 INIT_LIST_HEAD(&tmp_list);
7027 list_for_each_entry_safe(sas_expander, sas_expander_next,
7028 &ioc->sas_expander_list, list) {
7029 if (!sas_expander->responding)
7030 list_move_tail(&sas_expander->list, &tmp_list);
7032 sas_expander->responding = 0;
7034 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
7035 list_for_each_entry_safe(sas_expander, sas_expander_next, &tmp_list,
7037 list_del(&sas_expander->list);
7038 _scsih_expander_node_remove(ioc, sas_expander);
7040 printk(MPT2SAS_INFO_FMT "removing unresponding devices: complete\n",
7042 /* unblock devices */
7043 _scsih_ublock_io_all_device(ioc);
7047 _scsih_refresh_expander_links(struct MPT2SAS_ADAPTER *ioc,
7048 struct _sas_node *sas_expander, u16 handle)
7050 Mpi2ExpanderPage1_t expander_pg1;
7051 Mpi2ConfigReply_t mpi_reply;
7054 for (i = 0 ; i < sas_expander->num_phys ; i++) {
7055 if ((mpt2sas_config_get_expander_pg1(ioc, &mpi_reply,
7056 &expander_pg1, i, handle))) {
7057 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
7058 ioc->name, __FILE__, __LINE__, __func__);
7062 mpt2sas_transport_update_links(ioc, sas_expander->sas_address,
7063 le16_to_cpu(expander_pg1.AttachedDevHandle), i,
7064 expander_pg1.NegotiatedLinkRate >> 4);
7069 * _scsih_scan_for_devices_after_reset - scan for devices after host reset
7070 * @ioc: per adapter object
7075 _scsih_scan_for_devices_after_reset(struct MPT2SAS_ADAPTER *ioc)
7077 Mpi2ExpanderPage0_t expander_pg0;
7078 Mpi2SasDevicePage0_t sas_device_pg0;
7079 Mpi2RaidVolPage1_t volume_pg1;
7080 Mpi2RaidVolPage0_t volume_pg0;
7081 Mpi2RaidPhysDiskPage0_t pd_pg0;
7082 Mpi2EventIrConfigElement_t element;
7083 Mpi2ConfigReply_t mpi_reply;
7086 u16 handle, parent_handle;
7088 struct _sas_device *sas_device;
7089 struct _sas_node *expander_device;
7090 static struct _raid_device *raid_device;
7091 unsigned long flags;
7093 printk(MPT2SAS_INFO_FMT "scan devices: start\n", ioc->name);
7095 _scsih_sas_host_refresh(ioc);
7099 while (!(mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
7100 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) {
7101 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7102 MPI2_IOCSTATUS_MASK;
7103 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
7105 handle = le16_to_cpu(expander_pg0.DevHandle);
7106 spin_lock_irqsave(&ioc->sas_node_lock, flags);
7107 expander_device = mpt2sas_scsih_expander_find_by_sas_address(
7108 ioc, le64_to_cpu(expander_pg0.SASAddress));
7109 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
7110 if (expander_device)
7111 _scsih_refresh_expander_links(ioc, expander_device,
7114 _scsih_expander_add(ioc, handle);
7117 if (!ioc->ir_firmware)
7121 phys_disk_num = 0xFF;
7122 while (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
7123 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM,
7125 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7126 MPI2_IOCSTATUS_MASK;
7127 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
7129 phys_disk_num = pd_pg0.PhysDiskNum;
7130 handle = le16_to_cpu(pd_pg0.DevHandle);
7131 spin_lock_irqsave(&ioc->sas_device_lock, flags);
7132 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
7133 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
7136 if (mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
7137 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
7140 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
7141 if (!_scsih_get_sas_address(ioc, parent_handle,
7143 mpt2sas_transport_update_links(ioc, sas_address,
7144 handle, sas_device_pg0.PhyNum,
7145 MPI2_SAS_NEG_LINK_RATE_1_5);
7146 set_bit(handle, ioc->pd_handles);
7147 _scsih_add_device(ioc, handle, 0, 1);
7153 while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
7154 &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
7155 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7156 MPI2_IOCSTATUS_MASK;
7157 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
7159 handle = le16_to_cpu(volume_pg1.DevHandle);
7160 spin_lock_irqsave(&ioc->raid_device_lock, flags);
7161 raid_device = _scsih_raid_device_find_by_wwid(ioc,
7162 le64_to_cpu(volume_pg1.WWID));
7163 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7166 if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply,
7167 &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
7168 sizeof(Mpi2RaidVolPage0_t)))
7170 if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL ||
7171 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE ||
7172 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED) {
7173 memset(&element, 0, sizeof(Mpi2EventIrConfigElement_t));
7174 element.ReasonCode = MPI2_EVENT_IR_CHANGE_RC_ADDED;
7175 element.VolDevHandle = volume_pg1.DevHandle;
7176 _scsih_sas_volume_add(ioc, &element);
7184 while (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
7185 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
7187 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7188 MPI2_IOCSTATUS_MASK;
7189 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
7191 handle = le16_to_cpu(sas_device_pg0.DevHandle);
7192 if (!(_scsih_is_end_device(
7193 le32_to_cpu(sas_device_pg0.DeviceInfo))))
7195 spin_lock_irqsave(&ioc->sas_device_lock, flags);
7196 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
7197 le64_to_cpu(sas_device_pg0.SASAddress));
7198 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
7201 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
7202 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) {
7203 mpt2sas_transport_update_links(ioc, sas_address, handle,
7204 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
7205 _scsih_add_device(ioc, handle, 0, 0);
7209 printk(MPT2SAS_INFO_FMT "scan devices: complete\n", ioc->name);
7214 * mpt2sas_scsih_reset_handler - reset callback handler (for scsih)
7215 * @ioc: per adapter object
7216 * @reset_phase: phase
7218 * The handler for doing any required cleanup or initialization.
7220 * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET,
7221 * MPT2_IOC_DONE_RESET
7226 mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
7228 switch (reset_phase) {
7229 case MPT2_IOC_PRE_RESET:
7230 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
7231 "MPT2_IOC_PRE_RESET\n", ioc->name, __func__));
7233 case MPT2_IOC_AFTER_RESET:
7234 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
7235 "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__));
7236 if (ioc->scsih_cmds.status & MPT2_CMD_PENDING) {
7237 ioc->scsih_cmds.status |= MPT2_CMD_RESET;
7238 mpt2sas_base_free_smid(ioc, ioc->scsih_cmds.smid);
7239 complete(&ioc->scsih_cmds.done);
7241 if (ioc->tm_cmds.status & MPT2_CMD_PENDING) {
7242 ioc->tm_cmds.status |= MPT2_CMD_RESET;
7243 mpt2sas_base_free_smid(ioc, ioc->tm_cmds.smid);
7244 complete(&ioc->tm_cmds.done);
7246 _scsih_fw_event_cleanup_queue(ioc);
7247 _scsih_flush_running_cmds(ioc);
7249 case MPT2_IOC_DONE_RESET:
7250 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
7251 "MPT2_IOC_DONE_RESET\n", ioc->name, __func__));
7252 _scsih_sas_host_refresh(ioc);
7253 _scsih_prep_device_scan(ioc);
7254 _scsih_search_responding_sas_devices(ioc);
7255 _scsih_search_responding_raid_devices(ioc);
7256 _scsih_search_responding_expanders(ioc);
7257 if (!ioc->is_driver_loading) {
7258 _scsih_prep_device_scan(ioc);
7259 _scsih_search_responding_sas_devices(ioc);
7260 _scsih_search_responding_raid_devices(ioc);
7261 _scsih_search_responding_expanders(ioc);
7262 _scsih_error_recovery_delete_devices(ioc);
7269 * _firmware_event_work - delayed task for processing firmware events
7270 * @ioc: per adapter object
7271 * @work: equal to the fw_event_work object
7277 _firmware_event_work(struct work_struct *work)
7279 struct fw_event_work *fw_event = container_of(work,
7280 struct fw_event_work, delayed_work.work);
7281 struct MPT2SAS_ADAPTER *ioc = fw_event->ioc;
7283 /* the queue is being flushed so ignore this event */
7284 if (ioc->remove_host || fw_event->cancel_pending_work ||
7285 ioc->pci_error_recovery) {
7286 _scsih_fw_event_free(ioc, fw_event);
7290 switch (fw_event->event) {
7291 case MPT2SAS_REMOVE_UNRESPONDING_DEVICES:
7292 while (scsi_host_in_recovery(ioc->shost) || ioc->shost_recovery)
7294 _scsih_remove_unresponding_sas_devices(ioc);
7295 _scsih_scan_for_devices_after_reset(ioc);
7297 case MPT2SAS_PORT_ENABLE_COMPLETE:
7298 ioc->start_scan = 0;
7302 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "port enable: complete "
7303 "from worker thread\n", ioc->name));
7305 case MPT2SAS_TURN_ON_FAULT_LED:
7306 _scsih_turn_on_fault_led(ioc, fw_event->device_handle);
7308 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
7309 _scsih_sas_topology_change_event(ioc, fw_event);
7311 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
7312 _scsih_sas_device_status_change_event(ioc,
7315 case MPI2_EVENT_SAS_DISCOVERY:
7316 _scsih_sas_discovery_event(ioc,
7319 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
7320 _scsih_sas_broadcast_primitive_event(ioc,
7323 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
7324 _scsih_sas_enclosure_dev_status_change_event(ioc,
7327 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
7328 _scsih_sas_ir_config_change_event(ioc, fw_event);
7330 case MPI2_EVENT_IR_VOLUME:
7331 _scsih_sas_ir_volume_event(ioc, fw_event);
7333 case MPI2_EVENT_IR_PHYSICAL_DISK:
7334 _scsih_sas_ir_physical_disk_event(ioc, fw_event);
7336 case MPI2_EVENT_IR_OPERATION_STATUS:
7337 _scsih_sas_ir_operation_status_event(ioc, fw_event);
7340 _scsih_fw_event_free(ioc, fw_event);
7344 * mpt2sas_scsih_event_callback - firmware event handler (called at ISR time)
7345 * @ioc: per adapter object
7346 * @msix_index: MSIX table index supplied by the OS
7347 * @reply: reply message frame(lower 32bit addr)
7348 * Context: interrupt.
7350 * This function merely adds a new work task into ioc->firmware_event_thread.
7351 * The tasks are worked from _firmware_event_work in user context.
7353 * Return 1 meaning mf should be freed from _base_interrupt
7354 * 0 means the mf is freed from this function.
7357 mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
7360 struct fw_event_work *fw_event;
7361 Mpi2EventNotificationReply_t *mpi_reply;
7365 /* events turned off due to host reset or driver unloading */
7366 if (ioc->remove_host || ioc->pci_error_recovery)
7369 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
7371 if (unlikely(!mpi_reply)) {
7372 printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n",
7373 ioc->name, __FILE__, __LINE__, __func__);
7377 event = le16_to_cpu(mpi_reply->Event);
7381 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
7383 Mpi2EventDataSasBroadcastPrimitive_t *baen_data =
7384 (Mpi2EventDataSasBroadcastPrimitive_t *)
7385 mpi_reply->EventData;
7387 if (baen_data->Primitive !=
7388 MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT)
7391 if (ioc->broadcast_aen_busy) {
7392 ioc->broadcast_aen_pending++;
7395 ioc->broadcast_aen_busy = 1;
7399 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
7400 _scsih_check_topo_delete_events(ioc,
7401 (Mpi2EventDataSasTopologyChangeList_t *)
7402 mpi_reply->EventData);
7404 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
7405 _scsih_check_ir_config_unhide_events(ioc,
7406 (Mpi2EventDataIrConfigChangeList_t *)
7407 mpi_reply->EventData);
7409 case MPI2_EVENT_IR_VOLUME:
7410 _scsih_check_volume_delete_events(ioc,
7411 (Mpi2EventDataIrVolume_t *)
7412 mpi_reply->EventData);
7414 case MPI2_EVENT_LOG_ENTRY_ADDED:
7416 Mpi2EventDataLogEntryAdded_t *log_entry;
7419 if (!ioc->is_warpdrive)
7422 log_entry = (Mpi2EventDataLogEntryAdded_t *)
7423 mpi_reply->EventData;
7424 log_code = (__le32 *)log_entry->LogData;
7426 if (le16_to_cpu(log_entry->LogEntryQualifier)
7427 != MPT2_WARPDRIVE_LOGENTRY)
7430 switch (le32_to_cpu(*log_code)) {
7431 case MPT2_WARPDRIVE_LC_SSDT:
7432 printk(MPT2SAS_WARN_FMT "WarpDrive Warning: "
7433 "IO Throttling has occurred in the WarpDrive "
7434 "subsystem. Check WarpDrive documentation for "
7435 "additional details.\n", ioc->name);
7437 case MPT2_WARPDRIVE_LC_SSDLW:
7438 printk(MPT2SAS_WARN_FMT "WarpDrive Warning: "
7439 "Program/Erase Cycles for the WarpDrive subsystem "
7440 "in degraded range. Check WarpDrive documentation "
7441 "for additional details.\n", ioc->name);
7443 case MPT2_WARPDRIVE_LC_SSDLF:
7444 printk(MPT2SAS_ERR_FMT "WarpDrive Fatal Error: "
7445 "There are no Program/Erase Cycles for the "
7446 "WarpDrive subsystem. The storage device will be "
7447 "in read-only mode. Check WarpDrive documentation "
7448 "for additional details.\n", ioc->name);
7450 case MPT2_WARPDRIVE_LC_BRMF:
7451 printk(MPT2SAS_ERR_FMT "WarpDrive Fatal Error: "
7452 "The Backup Rail Monitor has failed on the "
7453 "WarpDrive subsystem. Check WarpDrive "
7454 "documentation for additional details.\n",
7461 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
7462 case MPI2_EVENT_IR_OPERATION_STATUS:
7463 case MPI2_EVENT_SAS_DISCOVERY:
7464 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
7465 case MPI2_EVENT_IR_PHYSICAL_DISK:
7468 default: /* ignore the rest */
7472 fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC);
7474 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
7475 ioc->name, __FILE__, __LINE__, __func__);
7478 sz = le16_to_cpu(mpi_reply->EventDataLength) * 4;
7479 fw_event->event_data = kzalloc(sz, GFP_ATOMIC);
7480 if (!fw_event->event_data) {
7481 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
7482 ioc->name, __FILE__, __LINE__, __func__);
7487 memcpy(fw_event->event_data, mpi_reply->EventData,
7489 fw_event->ioc = ioc;
7490 fw_event->VF_ID = mpi_reply->VF_ID;
7491 fw_event->VP_ID = mpi_reply->VP_ID;
7492 fw_event->event = event;
7493 _scsih_fw_event_add(ioc, fw_event);
7497 /* shost template */
7498 static struct scsi_host_template scsih_driver_template = {
7499 .module = THIS_MODULE,
7500 .name = "Fusion MPT SAS Host",
7501 .proc_name = MPT2SAS_DRIVER_NAME,
7502 .queuecommand = _scsih_qcmd,
7503 .target_alloc = _scsih_target_alloc,
7504 .slave_alloc = _scsih_slave_alloc,
7505 .slave_configure = _scsih_slave_configure,
7506 .target_destroy = _scsih_target_destroy,
7507 .slave_destroy = _scsih_slave_destroy,
7508 .scan_finished = _scsih_scan_finished,
7509 .scan_start = _scsih_scan_start,
7510 .change_queue_depth = _scsih_change_queue_depth,
7511 .change_queue_type = _scsih_change_queue_type,
7512 .eh_abort_handler = _scsih_abort,
7513 .eh_device_reset_handler = _scsih_dev_reset,
7514 .eh_target_reset_handler = _scsih_target_reset,
7515 .eh_host_reset_handler = _scsih_host_reset,
7516 .bios_param = _scsih_bios_param,
7519 .sg_tablesize = MPT2SAS_SG_DEPTH,
7520 .max_sectors = 32767,
7522 .use_clustering = ENABLE_CLUSTERING,
7523 .shost_attrs = mpt2sas_host_attrs,
7524 .sdev_attrs = mpt2sas_dev_attrs,
7528 * _scsih_expander_node_remove - removing expander device from list.
7529 * @ioc: per adapter object
7530 * @sas_expander: the sas_device object
7531 * Context: Calling function should acquire ioc->sas_node_lock.
7533 * Removing object and freeing associated memory from the
7534 * ioc->sas_expander_list.
7539 _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc,
7540 struct _sas_node *sas_expander)
7542 struct _sas_port *mpt2sas_port, *next;
7544 /* remove sibling ports attached to this expander */
7545 list_for_each_entry_safe(mpt2sas_port, next,
7546 &sas_expander->sas_port_list, port_list) {
7547 if (ioc->shost_recovery)
7549 if (mpt2sas_port->remote_identify.device_type ==
7551 mpt2sas_device_remove_by_sas_address(ioc,
7552 mpt2sas_port->remote_identify.sas_address);
7553 else if (mpt2sas_port->remote_identify.device_type ==
7554 SAS_EDGE_EXPANDER_DEVICE ||
7555 mpt2sas_port->remote_identify.device_type ==
7556 SAS_FANOUT_EXPANDER_DEVICE)
7557 mpt2sas_expander_remove(ioc,
7558 mpt2sas_port->remote_identify.sas_address);
7561 mpt2sas_transport_port_remove(ioc, sas_expander->sas_address,
7562 sas_expander->sas_address_parent);
7564 printk(MPT2SAS_INFO_FMT "expander_remove: handle"
7565 "(0x%04x), sas_addr(0x%016llx)\n", ioc->name,
7566 sas_expander->handle, (unsigned long long)
7567 sas_expander->sas_address);
7569 kfree(sas_expander->phy);
7570 kfree(sas_expander);
7574 * _scsih_ir_shutdown - IR shutdown notification
7575 * @ioc: per adapter object
7577 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
7578 * the host system is shutting down.
7583 _scsih_ir_shutdown(struct MPT2SAS_ADAPTER *ioc)
7585 Mpi2RaidActionRequest_t *mpi_request;
7586 Mpi2RaidActionReply_t *mpi_reply;
7589 /* is IR firmware build loaded ? */
7590 if (!ioc->ir_firmware)
7593 /* are there any volumes ? */
7594 if (list_empty(&ioc->raid_device_list))
7597 mutex_lock(&ioc->scsih_cmds.mutex);
7599 if (ioc->scsih_cmds.status != MPT2_CMD_NOT_USED) {
7600 printk(MPT2SAS_ERR_FMT "%s: scsih_cmd in use\n",
7601 ioc->name, __func__);
7604 ioc->scsih_cmds.status = MPT2_CMD_PENDING;
7606 smid = mpt2sas_base_get_smid(ioc, ioc->scsih_cb_idx);
7608 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
7609 ioc->name, __func__);
7610 ioc->scsih_cmds.status = MPT2_CMD_NOT_USED;
7614 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
7615 ioc->scsih_cmds.smid = smid;
7616 memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t));
7618 mpi_request->Function = MPI2_FUNCTION_RAID_ACTION;
7619 mpi_request->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
7621 if (!ioc->hide_ir_msg)
7622 printk(MPT2SAS_INFO_FMT "IR shutdown (sending)\n", ioc->name);
7623 init_completion(&ioc->scsih_cmds.done);
7624 mpt2sas_base_put_smid_default(ioc, smid);
7625 wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ);
7627 if (!(ioc->scsih_cmds.status & MPT2_CMD_COMPLETE)) {
7628 printk(MPT2SAS_ERR_FMT "%s: timeout\n",
7629 ioc->name, __func__);
7633 if (ioc->scsih_cmds.status & MPT2_CMD_REPLY_VALID) {
7634 mpi_reply = ioc->scsih_cmds.reply;
7636 if (!ioc->hide_ir_msg)
7637 printk(MPT2SAS_INFO_FMT "IR shutdown (complete): "
7638 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7639 ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
7640 le32_to_cpu(mpi_reply->IOCLogInfo));
7644 ioc->scsih_cmds.status = MPT2_CMD_NOT_USED;
7645 mutex_unlock(&ioc->scsih_cmds.mutex);
7649 * _scsih_shutdown - routine call during system shutdown
7650 * @pdev: PCI device struct
7655 _scsih_shutdown(struct pci_dev *pdev)
7657 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7658 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
7659 struct workqueue_struct *wq;
7660 unsigned long flags;
7662 ioc->remove_host = 1;
7663 _scsih_fw_event_cleanup_queue(ioc);
7665 spin_lock_irqsave(&ioc->fw_event_lock, flags);
7666 wq = ioc->firmware_event_thread;
7667 ioc->firmware_event_thread = NULL;
7668 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
7670 destroy_workqueue(wq);
7672 _scsih_ir_shutdown(ioc);
7673 mpt2sas_base_detach(ioc);
7677 * _scsih_remove - detach and remove add host
7678 * @pdev: PCI device struct
7680 * Routine called when unloading the driver.
7683 static void __devexit
7684 _scsih_remove(struct pci_dev *pdev)
7686 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7687 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
7688 struct _sas_port *mpt2sas_port, *next_port;
7689 struct _raid_device *raid_device, *next;
7690 struct MPT2SAS_TARGET *sas_target_priv_data;
7691 struct workqueue_struct *wq;
7692 unsigned long flags;
7694 ioc->remove_host = 1;
7695 _scsih_fw_event_cleanup_queue(ioc);
7697 spin_lock_irqsave(&ioc->fw_event_lock, flags);
7698 wq = ioc->firmware_event_thread;
7699 ioc->firmware_event_thread = NULL;
7700 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
7702 destroy_workqueue(wq);
7704 /* release all the volumes */
7705 _scsih_ir_shutdown(ioc);
7706 list_for_each_entry_safe(raid_device, next, &ioc->raid_device_list,
7708 if (raid_device->starget) {
7709 sas_target_priv_data =
7710 raid_device->starget->hostdata;
7711 sas_target_priv_data->deleted = 1;
7712 scsi_remove_target(&raid_device->starget->dev);
7714 printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), wwid"
7715 "(0x%016llx)\n", ioc->name, raid_device->handle,
7716 (unsigned long long) raid_device->wwid);
7717 _scsih_raid_device_remove(ioc, raid_device);
7720 /* free ports attached to the sas_host */
7721 list_for_each_entry_safe(mpt2sas_port, next_port,
7722 &ioc->sas_hba.sas_port_list, port_list) {
7723 if (mpt2sas_port->remote_identify.device_type ==
7725 mpt2sas_device_remove_by_sas_address(ioc,
7726 mpt2sas_port->remote_identify.sas_address);
7727 else if (mpt2sas_port->remote_identify.device_type ==
7728 SAS_EDGE_EXPANDER_DEVICE ||
7729 mpt2sas_port->remote_identify.device_type ==
7730 SAS_FANOUT_EXPANDER_DEVICE)
7731 mpt2sas_expander_remove(ioc,
7732 mpt2sas_port->remote_identify.sas_address);
7735 /* free phys attached to the sas_host */
7736 if (ioc->sas_hba.num_phys) {
7737 kfree(ioc->sas_hba.phy);
7738 ioc->sas_hba.phy = NULL;
7739 ioc->sas_hba.num_phys = 0;
7742 sas_remove_host(shost);
7743 mpt2sas_base_detach(ioc);
7744 list_del(&ioc->list);
7745 scsi_remove_host(shost);
7746 scsi_host_put(shost);
7750 * _scsih_probe_boot_devices - reports 1st device
7751 * @ioc: per adapter object
7753 * If specified in bios page 2, this routine reports the 1st
7754 * device scsi-ml or sas transport for persistent boot device
7755 * purposes. Please refer to function _scsih_determine_boot_device()
7758 _scsih_probe_boot_devices(struct MPT2SAS_ADAPTER *ioc)
7762 struct _sas_device *sas_device;
7763 struct _raid_device *raid_device;
7765 u64 sas_address_parent;
7767 unsigned long flags;
7770 /* no Bios, return immediately */
7771 if (!ioc->bios_pg3.BiosVersion)
7776 if (ioc->req_boot_device.device) {
7777 device = ioc->req_boot_device.device;
7778 is_raid = ioc->req_boot_device.is_raid;
7779 } else if (ioc->req_alt_boot_device.device) {
7780 device = ioc->req_alt_boot_device.device;
7781 is_raid = ioc->req_alt_boot_device.is_raid;
7782 } else if (ioc->current_boot_device.device) {
7783 device = ioc->current_boot_device.device;
7784 is_raid = ioc->current_boot_device.is_raid;
7791 raid_device = device;
7792 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
7793 raid_device->id, 0);
7795 _scsih_raid_device_remove(ioc, raid_device);
7797 spin_lock_irqsave(&ioc->sas_device_lock, flags);
7798 sas_device = device;
7799 handle = sas_device->handle;
7800 sas_address_parent = sas_device->sas_address_parent;
7801 sas_address = sas_device->sas_address;
7802 list_move_tail(&sas_device->list, &ioc->sas_device_list);
7803 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
7805 if (ioc->hide_drives)
7807 if (!mpt2sas_transport_port_add(ioc, sas_device->handle,
7808 sas_device->sas_address_parent)) {
7809 _scsih_sas_device_remove(ioc, sas_device);
7810 } else if (!sas_device->starget) {
7811 if (!ioc->is_driver_loading)
7812 mpt2sas_transport_port_remove(ioc, sas_address,
7813 sas_address_parent);
7814 _scsih_sas_device_remove(ioc, sas_device);
7820 * _scsih_probe_raid - reporting raid volumes to scsi-ml
7821 * @ioc: per adapter object
7823 * Called during initial loading of the driver.
7826 _scsih_probe_raid(struct MPT2SAS_ADAPTER *ioc)
7828 struct _raid_device *raid_device, *raid_next;
7831 list_for_each_entry_safe(raid_device, raid_next,
7832 &ioc->raid_device_list, list) {
7833 if (raid_device->starget)
7835 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
7836 raid_device->id, 0);
7838 _scsih_raid_device_remove(ioc, raid_device);
7843 * _scsih_probe_sas - reporting sas devices to sas transport
7844 * @ioc: per adapter object
7846 * Called during initial loading of the driver.
7849 _scsih_probe_sas(struct MPT2SAS_ADAPTER *ioc)
7851 struct _sas_device *sas_device, *next;
7852 unsigned long flags;
7854 /* SAS Device List */
7855 list_for_each_entry_safe(sas_device, next, &ioc->sas_device_init_list,
7858 if (ioc->hide_drives)
7861 if (!mpt2sas_transport_port_add(ioc, sas_device->handle,
7862 sas_device->sas_address_parent)) {
7863 list_del(&sas_device->list);
7866 } else if (!sas_device->starget) {
7867 if (!ioc->is_driver_loading)
7868 mpt2sas_transport_port_remove(ioc,
7869 sas_device->sas_address,
7870 sas_device->sas_address_parent);
7871 list_del(&sas_device->list);
7876 spin_lock_irqsave(&ioc->sas_device_lock, flags);
7877 list_move_tail(&sas_device->list, &ioc->sas_device_list);
7878 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
7883 * _scsih_probe_devices - probing for devices
7884 * @ioc: per adapter object
7886 * Called during initial loading of the driver.
7889 _scsih_probe_devices(struct MPT2SAS_ADAPTER *ioc)
7891 u16 volume_mapping_flags;
7893 if (!(ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR))
7894 return; /* return when IOC doesn't support initiator mode */
7896 _scsih_probe_boot_devices(ioc);
7898 if (ioc->ir_firmware) {
7899 volume_mapping_flags =
7900 le16_to_cpu(ioc->ioc_pg8.IRVolumeMappingFlags) &
7901 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
7902 if (volume_mapping_flags ==
7903 MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
7904 _scsih_probe_raid(ioc);
7905 _scsih_probe_sas(ioc);
7907 _scsih_probe_sas(ioc);
7908 _scsih_probe_raid(ioc);
7911 _scsih_probe_sas(ioc);
7916 * _scsih_scan_start - scsi lld callback for .scan_start
7917 * @shost: SCSI host pointer
7919 * The shost has the ability to discover targets on its own instead
7920 * of scanning the entire bus. In our implemention, we will kick off
7921 * firmware discovery.
7924 _scsih_scan_start(struct Scsi_Host *shost)
7926 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
7929 if (diag_buffer_enable != -1 && diag_buffer_enable != 0)
7930 mpt2sas_enable_diag_buffer(ioc, diag_buffer_enable);
7932 ioc->start_scan = 1;
7933 rc = mpt2sas_port_enable(ioc);
7936 printk(MPT2SAS_INFO_FMT "port enable: FAILED\n", ioc->name);
7940 * _scsih_scan_finished - scsi lld callback for .scan_finished
7941 * @shost: SCSI host pointer
7942 * @time: elapsed time of the scan in jiffies
7944 * This function will be called periodically until it returns 1 with the
7945 * scsi_host and the elapsed time of the scan in jiffies. In our implemention,
7946 * we wait for firmware discovery to complete, then return 1.
7949 _scsih_scan_finished(struct Scsi_Host *shost, unsigned long time)
7951 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
7953 if (time >= (300 * HZ)) {
7954 ioc->base_cmds.status = MPT2_CMD_NOT_USED;
7955 printk(MPT2SAS_INFO_FMT "port enable: FAILED with timeout "
7956 "(timeout=300s)\n", ioc->name);
7957 ioc->is_driver_loading = 0;
7961 if (ioc->start_scan)
7964 if (ioc->start_scan_failed) {
7965 printk(MPT2SAS_INFO_FMT "port enable: FAILED with "
7966 "(ioc_status=0x%08x)\n", ioc->name, ioc->start_scan_failed);
7967 ioc->is_driver_loading = 0;
7968 ioc->wait_for_discovery_to_complete = 0;
7969 ioc->remove_host = 1;
7973 printk(MPT2SAS_INFO_FMT "port enable: SUCCESS\n", ioc->name);
7974 ioc->base_cmds.status = MPT2_CMD_NOT_USED;
7976 if (ioc->wait_for_discovery_to_complete) {
7977 ioc->wait_for_discovery_to_complete = 0;
7978 _scsih_probe_devices(ioc);
7980 mpt2sas_base_start_watchdog(ioc);
7981 ioc->is_driver_loading = 0;
7987 * _scsih_probe - attach and add scsi host
7988 * @pdev: PCI device struct
7989 * @id: pci device id
7991 * Returns 0 success, anything else error.
7994 _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
7996 struct MPT2SAS_ADAPTER *ioc;
7997 struct Scsi_Host *shost;
7999 shost = scsi_host_alloc(&scsih_driver_template,
8000 sizeof(struct MPT2SAS_ADAPTER));
8004 /* init local params */
8005 ioc = shost_priv(shost);
8006 memset(ioc, 0, sizeof(struct MPT2SAS_ADAPTER));
8007 INIT_LIST_HEAD(&ioc->list);
8008 list_add_tail(&ioc->list, &mpt2sas_ioc_list);
8010 ioc->id = mpt_ids++;
8011 sprintf(ioc->name, "%s%d", MPT2SAS_DRIVER_NAME, ioc->id);
8013 if (id->device == MPI2_MFGPAGE_DEVID_SSS6200) {
8014 ioc->is_warpdrive = 1;
8015 ioc->hide_ir_msg = 1;
8017 ioc->mfg_pg10_hide_flag = MFG_PAGE10_EXPOSE_ALL_DISKS;
8018 ioc->scsi_io_cb_idx = scsi_io_cb_idx;
8019 ioc->tm_cb_idx = tm_cb_idx;
8020 ioc->ctl_cb_idx = ctl_cb_idx;
8021 ioc->base_cb_idx = base_cb_idx;
8022 ioc->port_enable_cb_idx = port_enable_cb_idx;
8023 ioc->transport_cb_idx = transport_cb_idx;
8024 ioc->scsih_cb_idx = scsih_cb_idx;
8025 ioc->config_cb_idx = config_cb_idx;
8026 ioc->tm_tr_cb_idx = tm_tr_cb_idx;
8027 ioc->tm_tr_volume_cb_idx = tm_tr_volume_cb_idx;
8028 ioc->tm_sas_control_cb_idx = tm_sas_control_cb_idx;
8029 ioc->logging_level = logging_level;
8030 ioc->schedule_dead_ioc_flush_running_cmds = &_scsih_flush_running_cmds;
8031 /* misc semaphores and spin locks */
8032 mutex_init(&ioc->reset_in_progress_mutex);
8033 spin_lock_init(&ioc->ioc_reset_in_progress_lock);
8034 spin_lock_init(&ioc->scsi_lookup_lock);
8035 spin_lock_init(&ioc->sas_device_lock);
8036 spin_lock_init(&ioc->sas_node_lock);
8037 spin_lock_init(&ioc->fw_event_lock);
8038 spin_lock_init(&ioc->raid_device_lock);
8040 INIT_LIST_HEAD(&ioc->sas_device_list);
8041 INIT_LIST_HEAD(&ioc->sas_device_init_list);
8042 INIT_LIST_HEAD(&ioc->sas_expander_list);
8043 INIT_LIST_HEAD(&ioc->fw_event_list);
8044 INIT_LIST_HEAD(&ioc->raid_device_list);
8045 INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list);
8046 INIT_LIST_HEAD(&ioc->delayed_tr_list);
8047 INIT_LIST_HEAD(&ioc->delayed_tr_volume_list);
8049 /* init shost parameters */
8050 shost->max_cmd_len = 32;
8051 shost->max_lun = max_lun;
8052 shost->transportt = mpt2sas_transport_template;
8053 shost->unique_id = ioc->id;
8055 if (max_sectors != 0xFFFF) {
8056 if (max_sectors < 64) {
8057 shost->max_sectors = 64;
8058 printk(MPT2SAS_WARN_FMT "Invalid value %d passed "
8059 "for max_sectors, range is 64 to 8192. Assigning "
8060 "value of 64.\n", ioc->name, max_sectors);
8061 } else if (max_sectors > 32767) {
8062 shost->max_sectors = 32767;
8063 printk(MPT2SAS_WARN_FMT "Invalid value %d passed "
8064 "for max_sectors, range is 64 to 8192. Assigning "
8065 "default value of 32767.\n", ioc->name,
8068 shost->max_sectors = max_sectors & 0xFFFE;
8069 printk(MPT2SAS_INFO_FMT "The max_sectors value is "
8070 "set to %d\n", ioc->name, shost->max_sectors);
8074 if ((scsi_add_host(shost, &pdev->dev))) {
8075 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
8076 ioc->name, __FILE__, __LINE__, __func__);
8077 list_del(&ioc->list);
8078 goto out_add_shost_fail;
8081 scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION
8082 | SHOST_DIF_TYPE2_PROTECTION | SHOST_DIF_TYPE3_PROTECTION);
8083 scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC);
8086 snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name),
8087 "fw_event%d", ioc->id);
8088 ioc->firmware_event_thread = create_singlethread_workqueue(
8089 ioc->firmware_event_name);
8090 if (!ioc->firmware_event_thread) {
8091 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
8092 ioc->name, __FILE__, __LINE__, __func__);
8093 goto out_thread_fail;
8096 ioc->is_driver_loading = 1;
8097 if ((mpt2sas_base_attach(ioc))) {
8098 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
8099 ioc->name, __FILE__, __LINE__, __func__);
8100 goto out_attach_fail;
8103 if (ioc->is_warpdrive) {
8104 if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_EXPOSE_ALL_DISKS)
8105 ioc->hide_drives = 0;
8106 else if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_HIDE_ALL_DISKS)
8107 ioc->hide_drives = 1;
8109 if (_scsih_get_num_volumes(ioc))
8110 ioc->hide_drives = 1;
8112 ioc->hide_drives = 0;
8115 ioc->hide_drives = 0;
8116 scsi_scan_host(shost);
8121 destroy_workqueue(ioc->firmware_event_thread);
8123 list_del(&ioc->list);
8124 scsi_remove_host(shost);
8126 scsi_host_put(shost);
8132 * _scsih_suspend - power management suspend main entry point
8133 * @pdev: PCI device struct
8134 * @state: PM state change to (usually PCI_D3)
8136 * Returns 0 success, anything else error.
8139 _scsih_suspend(struct pci_dev *pdev, pm_message_t state)
8141 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8142 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
8143 pci_power_t device_state;
8145 mpt2sas_base_stop_watchdog(ioc);
8146 scsi_block_requests(shost);
8147 device_state = pci_choose_state(pdev, state);
8148 printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, entering "
8149 "operating state [D%d]\n", ioc->name, pdev,
8150 pci_name(pdev), device_state);
8152 mpt2sas_base_free_resources(ioc);
8153 pci_save_state(pdev);
8154 pci_disable_device(pdev);
8155 pci_set_power_state(pdev, device_state);
8160 * _scsih_resume - power management resume main entry point
8161 * @pdev: PCI device struct
8163 * Returns 0 success, anything else error.
8166 _scsih_resume(struct pci_dev *pdev)
8168 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8169 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
8170 pci_power_t device_state = pdev->current_state;
8173 printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, previous "
8174 "operating state [D%d]\n", ioc->name, pdev,
8175 pci_name(pdev), device_state);
8177 pci_set_power_state(pdev, PCI_D0);
8178 pci_enable_wake(pdev, PCI_D0, 0);
8179 pci_restore_state(pdev);
8181 r = mpt2sas_base_map_resources(ioc);
8185 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, SOFT_RESET);
8186 scsi_unblock_requests(shost);
8187 mpt2sas_base_start_watchdog(ioc);
8190 #endif /* CONFIG_PM */
8193 * _scsih_pci_error_detected - Called when a PCI error is detected.
8194 * @pdev: PCI device struct
8195 * @state: PCI channel state
8197 * Description: Called when a PCI error is detected.
8200 * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT
8202 static pci_ers_result_t
8203 _scsih_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
8205 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8206 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
8208 printk(MPT2SAS_INFO_FMT "PCI error: detected callback, state(%d)!!\n",
8212 case pci_channel_io_normal:
8213 return PCI_ERS_RESULT_CAN_RECOVER;
8214 case pci_channel_io_frozen:
8215 /* Fatal error, prepare for slot reset */
8216 ioc->pci_error_recovery = 1;
8217 scsi_block_requests(ioc->shost);
8218 mpt2sas_base_stop_watchdog(ioc);
8219 mpt2sas_base_free_resources(ioc);
8220 return PCI_ERS_RESULT_NEED_RESET;
8221 case pci_channel_io_perm_failure:
8222 /* Permanent error, prepare for device removal */
8223 ioc->pci_error_recovery = 1;
8224 mpt2sas_base_stop_watchdog(ioc);
8225 _scsih_flush_running_cmds(ioc);
8226 return PCI_ERS_RESULT_DISCONNECT;
8228 return PCI_ERS_RESULT_NEED_RESET;
8232 * _scsih_pci_slot_reset - Called when PCI slot has been reset.
8233 * @pdev: PCI device struct
8235 * Description: This routine is called by the pci error recovery
8236 * code after the PCI slot has been reset, just before we
8237 * should resume normal operations.
8239 static pci_ers_result_t
8240 _scsih_pci_slot_reset(struct pci_dev *pdev)
8242 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8243 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
8246 printk(MPT2SAS_INFO_FMT "PCI error: slot reset callback!!\n",
8249 ioc->pci_error_recovery = 0;
8251 pci_restore_state(pdev);
8252 rc = mpt2sas_base_map_resources(ioc);
8254 return PCI_ERS_RESULT_DISCONNECT;
8257 rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
8260 printk(MPT2SAS_WARN_FMT "hard reset: %s\n", ioc->name,
8261 (rc == 0) ? "success" : "failed");
8264 return PCI_ERS_RESULT_RECOVERED;
8266 return PCI_ERS_RESULT_DISCONNECT;
8270 * _scsih_pci_resume() - resume normal ops after PCI reset
8271 * @pdev: pointer to PCI device
8273 * Called when the error recovery driver tells us that its
8274 * OK to resume normal operation. Use completion to allow
8275 * halted scsi ops to resume.
8278 _scsih_pci_resume(struct pci_dev *pdev)
8280 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8281 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
8283 printk(MPT2SAS_INFO_FMT "PCI error: resume callback!!\n", ioc->name);
8285 pci_cleanup_aer_uncorrect_error_status(pdev);
8286 mpt2sas_base_start_watchdog(ioc);
8287 scsi_unblock_requests(ioc->shost);
8291 * _scsih_pci_mmio_enabled - Enable MMIO and dump debug registers
8292 * @pdev: pointer to PCI device
8294 static pci_ers_result_t
8295 _scsih_pci_mmio_enabled(struct pci_dev *pdev)
8297 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8298 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
8300 printk(MPT2SAS_INFO_FMT "PCI error: mmio enabled callback!!\n",
8303 /* TODO - dump whatever for debugging purposes */
8305 /* Request a slot reset. */
8306 return PCI_ERS_RESULT_NEED_RESET;
8309 static const struct pci_error_handlers _scsih_err_handler = {
8310 .error_detected = _scsih_pci_error_detected,
8311 .mmio_enabled = _scsih_pci_mmio_enabled,
8312 .slot_reset = _scsih_pci_slot_reset,
8313 .resume = _scsih_pci_resume,
8316 static struct pci_driver scsih_driver = {
8317 .name = MPT2SAS_DRIVER_NAME,
8318 .id_table = scsih_pci_table,
8319 .probe = _scsih_probe,
8320 .remove = __devexit_p(_scsih_remove),
8321 .shutdown = _scsih_shutdown,
8322 .err_handler = &_scsih_err_handler,
8324 .suspend = _scsih_suspend,
8325 .resume = _scsih_resume,
8329 /* raid transport support */
8330 static struct raid_function_template mpt2sas_raid_functions = {
8331 .cookie = &scsih_driver_template,
8332 .is_raid = _scsih_is_raid,
8333 .get_resync = _scsih_get_resync,
8334 .get_state = _scsih_get_state,
8338 * _scsih_init - main entry point for this driver.
8340 * Returns 0 success, anything else error.
8348 printk(KERN_INFO "%s version %s loaded\n", MPT2SAS_DRIVER_NAME,
8349 MPT2SAS_DRIVER_VERSION);
8351 mpt2sas_transport_template =
8352 sas_attach_transport(&mpt2sas_transport_functions);
8353 if (!mpt2sas_transport_template)
8355 /* raid transport support */
8356 mpt2sas_raid_template = raid_class_attach(&mpt2sas_raid_functions);
8357 if (!mpt2sas_raid_template) {
8358 sas_release_transport(mpt2sas_transport_template);
8362 mpt2sas_base_initialize_callback_handler();
8364 /* queuecommand callback hander */
8365 scsi_io_cb_idx = mpt2sas_base_register_callback_handler(_scsih_io_done);
8367 /* task management callback handler */
8368 tm_cb_idx = mpt2sas_base_register_callback_handler(_scsih_tm_done);
8370 /* base internal commands callback handler */
8371 base_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_base_done);
8372 port_enable_cb_idx = mpt2sas_base_register_callback_handler(
8373 mpt2sas_port_enable_done);
8375 /* transport internal commands callback handler */
8376 transport_cb_idx = mpt2sas_base_register_callback_handler(
8377 mpt2sas_transport_done);
8379 /* scsih internal commands callback handler */
8380 scsih_cb_idx = mpt2sas_base_register_callback_handler(_scsih_done);
8382 /* configuration page API internal commands callback handler */
8383 config_cb_idx = mpt2sas_base_register_callback_handler(
8384 mpt2sas_config_done);
8386 /* ctl module callback handler */
8387 ctl_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_ctl_done);
8389 tm_tr_cb_idx = mpt2sas_base_register_callback_handler(
8390 _scsih_tm_tr_complete);
8392 tm_tr_volume_cb_idx = mpt2sas_base_register_callback_handler(
8393 _scsih_tm_volume_tr_complete);
8395 tm_sas_control_cb_idx = mpt2sas_base_register_callback_handler(
8396 _scsih_sas_control_complete);
8400 error = pci_register_driver(&scsih_driver);
8402 /* raid transport support */
8403 raid_class_release(mpt2sas_raid_template);
8404 sas_release_transport(mpt2sas_transport_template);
8411 * _scsih_exit - exit point for this driver (when it is a module).
8413 * Returns 0 success, anything else error.
8418 printk(KERN_INFO "mpt2sas version %s unloading\n",
8419 MPT2SAS_DRIVER_VERSION);
8421 pci_unregister_driver(&scsih_driver);
8425 mpt2sas_base_release_callback_handler(scsi_io_cb_idx);
8426 mpt2sas_base_release_callback_handler(tm_cb_idx);
8427 mpt2sas_base_release_callback_handler(base_cb_idx);
8428 mpt2sas_base_release_callback_handler(port_enable_cb_idx);
8429 mpt2sas_base_release_callback_handler(transport_cb_idx);
8430 mpt2sas_base_release_callback_handler(scsih_cb_idx);
8431 mpt2sas_base_release_callback_handler(config_cb_idx);
8432 mpt2sas_base_release_callback_handler(ctl_cb_idx);
8434 mpt2sas_base_release_callback_handler(tm_tr_cb_idx);
8435 mpt2sas_base_release_callback_handler(tm_tr_volume_cb_idx);
8436 mpt2sas_base_release_callback_handler(tm_sas_control_cb_idx);
8438 /* raid transport support */
8439 raid_class_release(mpt2sas_raid_template);
8440 sas_release_transport(mpt2sas_transport_template);
8444 module_init(_scsih_init);
8445 module_exit(_scsih_exit);