2 * Scsi Host Layer for MPT (Message Passing Technology) based controllers
4 * This code is based on drivers/scsi/mpt3sas/mpt3sas_scsih.c
5 * Copyright (C) 2012-2014 LSI Corporation
6 * Copyright (C) 2013-2014 Avago Technologies
7 * (mailto: MPT-FusionLinux.pdl@avagotech.com)
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2
12 * of the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
20 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
21 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
22 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
23 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
24 * solely responsible for determining the appropriateness of using and
25 * distributing the Program and assumes all risks associated with its
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28 * programs or equipment, and unavailability or interruption of operations.
30 * DISCLAIMER OF LIABILITY
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45 #include <linux/module.h>
46 #include <linux/kernel.h>
47 #include <linux/init.h>
48 #include <linux/errno.h>
49 #include <linux/blkdev.h>
50 #include <linux/sched.h>
51 #include <linux/workqueue.h>
52 #include <linux/delay.h>
53 #include <linux/pci.h>
54 #include <linux/interrupt.h>
55 #include <linux/aer.h>
56 #include <linux/raid_class.h>
57 #include <linux/blk-mq-pci.h>
58 #include <asm/unaligned.h>
60 #include "mpt3sas_base.h"
62 #define RAID_CHANNEL 1
64 #define PCIE_CHANNEL 2
67 static void _scsih_expander_node_remove(struct MPT3SAS_ADAPTER *ioc,
68 struct _sas_node *sas_expander);
69 static void _firmware_event_work(struct work_struct *work);
71 static void _scsih_remove_device(struct MPT3SAS_ADAPTER *ioc,
72 struct _sas_device *sas_device);
73 static int _scsih_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle,
74 u8 retry_count, u8 is_pd);
75 static int _scsih_pcie_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle);
76 static void _scsih_pcie_device_remove_from_sml(struct MPT3SAS_ADAPTER *ioc,
77 struct _pcie_device *pcie_device);
79 _scsih_pcie_check_device(struct MPT3SAS_ADAPTER *ioc, u16 handle);
80 static u8 _scsih_check_for_pending_tm(struct MPT3SAS_ADAPTER *ioc, u16 smid);
81 static void _scsih_complete_devices_scanning(struct MPT3SAS_ADAPTER *ioc);
83 /* global parameters */
84 LIST_HEAD(mpt3sas_ioc_list);
85 /* global ioc lock for list operations */
86 DEFINE_SPINLOCK(gioc_lock);
88 MODULE_AUTHOR(MPT3SAS_AUTHOR);
89 MODULE_DESCRIPTION(MPT3SAS_DESCRIPTION);
90 MODULE_LICENSE("GPL");
91 MODULE_VERSION(MPT3SAS_DRIVER_VERSION);
92 MODULE_ALIAS("mpt2sas");
94 /* local parameters */
95 static u8 scsi_io_cb_idx = -1;
96 static u8 tm_cb_idx = -1;
97 static u8 ctl_cb_idx = -1;
98 static u8 base_cb_idx = -1;
99 static u8 port_enable_cb_idx = -1;
100 static u8 transport_cb_idx = -1;
101 static u8 scsih_cb_idx = -1;
102 static u8 config_cb_idx = -1;
106 static u8 tm_tr_cb_idx = -1 ;
107 static u8 tm_tr_volume_cb_idx = -1 ;
108 static u8 tm_sas_control_cb_idx = -1;
110 /* command line options */
111 static u32 logging_level;
112 MODULE_PARM_DESC(logging_level,
113 " bits for enabling additional logging info (default=0)");
116 static ushort max_sectors = 0xFFFF;
117 module_param(max_sectors, ushort, 0444);
118 MODULE_PARM_DESC(max_sectors, "max sectors, range 64 to 32767 default=32767");
121 static int missing_delay[2] = {-1, -1};
122 module_param_array(missing_delay, int, NULL, 0444);
123 MODULE_PARM_DESC(missing_delay, " device missing delay , io missing delay");
125 /* scsi-mid layer global parmeter is max_report_luns, which is 511 */
126 #define MPT3SAS_MAX_LUN (16895)
127 static u64 max_lun = MPT3SAS_MAX_LUN;
128 module_param(max_lun, ullong, 0444);
129 MODULE_PARM_DESC(max_lun, " max lun, default=16895 ");
131 static ushort hbas_to_enumerate;
132 module_param(hbas_to_enumerate, ushort, 0444);
133 MODULE_PARM_DESC(hbas_to_enumerate,
134 " 0 - enumerates both SAS 2.0 & SAS 3.0 generation HBAs\n \
135 1 - enumerates only SAS 2.0 generation HBAs\n \
136 2 - enumerates only SAS 3.0 generation HBAs (default=0)");
138 /* diag_buffer_enable is bitwise
140 * bit 1 set = SNAPSHOT
141 * bit 2 set = EXTENDED
143 * Either bit can be set, or both
145 static int diag_buffer_enable = -1;
146 module_param(diag_buffer_enable, int, 0444);
147 MODULE_PARM_DESC(diag_buffer_enable,
148 " post diag buffers (TRACE=1/SNAPSHOT=2/EXTENDED=4/default=0)");
149 static int disable_discovery = -1;
150 module_param(disable_discovery, int, 0444);
151 MODULE_PARM_DESC(disable_discovery, " disable discovery ");
154 /* permit overriding the host protection capabilities mask (EEDP/T10 PI) */
155 static int prot_mask = -1;
156 module_param(prot_mask, int, 0444);
157 MODULE_PARM_DESC(prot_mask, " host protection capabilities mask, def=7 ");
159 static bool enable_sdev_max_qd;
160 module_param(enable_sdev_max_qd, bool, 0444);
161 MODULE_PARM_DESC(enable_sdev_max_qd,
162 "Enable sdev max qd as can_queue, def=disabled(0)");
164 static int multipath_on_hba = -1;
165 module_param(multipath_on_hba, int, 0);
166 MODULE_PARM_DESC(multipath_on_hba,
167 "Multipath support to add same target device\n\t\t"
168 "as many times as it is visible to HBA from various paths\n\t\t"
170 "\t SAS 2.0 & SAS 3.0 HBA - This will be disabled,\n\t\t"
171 "\t SAS 3.5 HBA - This will be enabled)");
173 static int host_tagset_enable = 1;
174 module_param(host_tagset_enable, int, 0444);
175 MODULE_PARM_DESC(host_tagset_enable,
176 "Shared host tagset enable/disable Default: enable(1)");
178 /* raid transport support */
179 static struct raid_template *mpt3sas_raid_template;
180 static struct raid_template *mpt2sas_raid_template;
184 * struct sense_info - common structure for obtaining sense keys
186 * @asc: additional sense code
187 * @ascq: additional sense code qualifier
195 #define MPT3SAS_PROCESS_TRIGGER_DIAG (0xFFFB)
196 #define MPT3SAS_TURN_ON_PFA_LED (0xFFFC)
197 #define MPT3SAS_PORT_ENABLE_COMPLETE (0xFFFD)
198 #define MPT3SAS_ABRT_TASK_SET (0xFFFE)
199 #define MPT3SAS_REMOVE_UNRESPONDING_DEVICES (0xFFFF)
201 * struct fw_event_work - firmware event struct
202 * @list: link list framework
203 * @work: work object (ioc->fault_reset_work_q)
204 * @ioc: per adapter object
205 * @device_handle: device handle
206 * @VF_ID: virtual function id
207 * @VP_ID: virtual port id
208 * @ignore: flag meaning this event has been marked to ignore
209 * @event: firmware event MPI2_EVENT_XXX defined in mpi2_ioc.h
210 * @refcount: kref for this event
211 * @event_data: reply event data payload follows
213 * This object stored on ioc->fw_event_list.
215 struct fw_event_work {
216 struct list_head list;
217 struct work_struct work;
219 struct MPT3SAS_ADAPTER *ioc;
225 struct kref refcount;
226 char event_data[] __aligned(4);
229 static void fw_event_work_free(struct kref *r)
231 kfree(container_of(r, struct fw_event_work, refcount));
234 static void fw_event_work_get(struct fw_event_work *fw_work)
236 kref_get(&fw_work->refcount);
239 static void fw_event_work_put(struct fw_event_work *fw_work)
241 kref_put(&fw_work->refcount, fw_event_work_free);
244 static struct fw_event_work *alloc_fw_event_work(int len)
246 struct fw_event_work *fw_event;
248 fw_event = kzalloc(sizeof(*fw_event) + len, GFP_ATOMIC);
252 kref_init(&fw_event->refcount);
257 * struct _scsi_io_transfer - scsi io transfer
258 * @handle: sas device handle (assigned by firmware)
259 * @is_raid: flag set for hidden raid components
260 * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE,
261 * @data_length: data transfer length
262 * @data_dma: dma pointer to data
265 * @cdb_length: cdb length
267 * @timeout: timeout for this command
268 * @VF_ID: virtual function id
269 * @VP_ID: virtual port id
270 * @valid_reply: flag set for reply message
271 * @sense_length: sense length
272 * @ioc_status: ioc status
273 * @scsi_state: scsi state
274 * @scsi_status: scsi staus
275 * @log_info: log information
276 * @transfer_length: data length transfer when there is a reply message
278 * Used for sending internal scsi commands to devices within this module.
279 * Refer to _scsi_send_scsi_io().
281 struct _scsi_io_transfer {
284 enum dma_data_direction dir;
287 u8 sense[SCSI_SENSE_BUFFERSIZE];
295 /* the following bits are only valid when 'valid_reply = 1' */
305 * _scsih_set_debug_level - global setting of ioc->logging_level.
309 * Note: The logging levels are defined in mpt3sas_debug.h.
312 _scsih_set_debug_level(const char *val, const struct kernel_param *kp)
314 int ret = param_set_int(val, kp);
315 struct MPT3SAS_ADAPTER *ioc;
320 pr_info("setting logging_level(0x%08x)\n", logging_level);
321 spin_lock(&gioc_lock);
322 list_for_each_entry(ioc, &mpt3sas_ioc_list, list)
323 ioc->logging_level = logging_level;
324 spin_unlock(&gioc_lock);
327 module_param_call(logging_level, _scsih_set_debug_level, param_get_int,
328 &logging_level, 0644);
331 * _scsih_srch_boot_sas_address - search based on sas_address
332 * @sas_address: sas address
333 * @boot_device: boot device object from bios page 2
335 * Return: 1 when there's a match, 0 means no match.
338 _scsih_srch_boot_sas_address(u64 sas_address,
339 Mpi2BootDeviceSasWwid_t *boot_device)
341 return (sas_address == le64_to_cpu(boot_device->SASAddress)) ? 1 : 0;
345 * _scsih_srch_boot_device_name - search based on device name
346 * @device_name: device name specified in INDENTIFY fram
347 * @boot_device: boot device object from bios page 2
349 * Return: 1 when there's a match, 0 means no match.
352 _scsih_srch_boot_device_name(u64 device_name,
353 Mpi2BootDeviceDeviceName_t *boot_device)
355 return (device_name == le64_to_cpu(boot_device->DeviceName)) ? 1 : 0;
359 * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot
360 * @enclosure_logical_id: enclosure logical id
361 * @slot_number: slot number
362 * @boot_device: boot device object from bios page 2
364 * Return: 1 when there's a match, 0 means no match.
367 _scsih_srch_boot_encl_slot(u64 enclosure_logical_id, u16 slot_number,
368 Mpi2BootDeviceEnclosureSlot_t *boot_device)
370 return (enclosure_logical_id == le64_to_cpu(boot_device->
371 EnclosureLogicalID) && slot_number == le16_to_cpu(boot_device->
372 SlotNumber)) ? 1 : 0;
376 * mpt3sas_get_port_by_id - get hba port entry corresponding to provided
377 * port number from port list
378 * @ioc: per adapter object
379 * @port_id: port number
380 * @bypass_dirty_port_flag: when set look the matching hba port entry even
381 * if hba port entry is marked as dirty.
383 * Search for hba port entry corresponding to provided port number,
384 * if available return port object otherwise return NULL.
387 mpt3sas_get_port_by_id(struct MPT3SAS_ADAPTER *ioc,
388 u8 port_id, u8 bypass_dirty_port_flag)
390 struct hba_port *port, *port_next;
393 * When multipath_on_hba is disabled then
394 * search the hba_port entry using default
397 if (!ioc->multipath_on_hba)
398 port_id = MULTIPATH_DISABLED_PORT_ID;
400 list_for_each_entry_safe(port, port_next,
401 &ioc->port_table_list, list) {
402 if (port->port_id != port_id)
404 if (bypass_dirty_port_flag)
406 if (port->flags & HBA_PORT_FLAG_DIRTY_PORT)
412 * Allocate hba_port object for default port id (i.e. 255)
413 * when multipath_on_hba is disabled for the HBA.
414 * And add this object to port_table_list.
416 if (!ioc->multipath_on_hba) {
417 port = kzalloc(sizeof(struct hba_port), GFP_ATOMIC);
421 port->port_id = port_id;
423 "hba_port entry: %p, port: %d is added to hba_port list\n",
424 port, port->port_id);
425 list_add_tail(&port->list,
426 &ioc->port_table_list);
433 * mpt3sas_get_vphy_by_phy - get virtual_phy object corresponding to phy number
434 * @ioc: per adapter object
435 * @port: hba_port object
438 * Return virtual_phy object corresponding to phy number.
441 mpt3sas_get_vphy_by_phy(struct MPT3SAS_ADAPTER *ioc,
442 struct hba_port *port, u32 phy)
444 struct virtual_phy *vphy, *vphy_next;
446 if (!port->vphys_mask)
449 list_for_each_entry_safe(vphy, vphy_next, &port->vphys_list, list) {
450 if (vphy->phy_mask & (1 << phy))
457 * _scsih_is_boot_device - search for matching boot device.
458 * @sas_address: sas address
459 * @device_name: device name specified in INDENTIFY fram
460 * @enclosure_logical_id: enclosure logical id
462 * @form: specifies boot device form
463 * @boot_device: boot device object from bios page 2
465 * Return: 1 when there's a match, 0 means no match.
468 _scsih_is_boot_device(u64 sas_address, u64 device_name,
469 u64 enclosure_logical_id, u16 slot, u8 form,
470 Mpi2BiosPage2BootDevice_t *boot_device)
475 case MPI2_BIOSPAGE2_FORM_SAS_WWID:
478 rc = _scsih_srch_boot_sas_address(
479 sas_address, &boot_device->SasWwid);
481 case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT:
482 if (!enclosure_logical_id)
484 rc = _scsih_srch_boot_encl_slot(
485 enclosure_logical_id,
486 slot, &boot_device->EnclosureSlot);
488 case MPI2_BIOSPAGE2_FORM_DEVICE_NAME:
491 rc = _scsih_srch_boot_device_name(
492 device_name, &boot_device->DeviceName);
494 case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED:
502 * _scsih_get_sas_address - set the sas_address for given device handle
504 * @handle: device handle
505 * @sas_address: sas address
507 * Return: 0 success, non-zero when failure
510 _scsih_get_sas_address(struct MPT3SAS_ADAPTER *ioc, u16 handle,
513 Mpi2SasDevicePage0_t sas_device_pg0;
514 Mpi2ConfigReply_t mpi_reply;
519 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
520 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
521 ioc_err(ioc, "failure at %s:%d/%s()!\n",
522 __FILE__, __LINE__, __func__);
526 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
527 if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
528 /* For HBA, vSES doesn't return HBA SAS address. Instead return
529 * vSES's sas address.
531 if ((handle <= ioc->sas_hba.num_phys) &&
532 (!(le32_to_cpu(sas_device_pg0.DeviceInfo) &
533 MPI2_SAS_DEVICE_INFO_SEP)))
534 *sas_address = ioc->sas_hba.sas_address;
536 *sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
540 /* we hit this because the given parent handle doesn't exist */
541 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
544 /* else error case */
545 ioc_err(ioc, "handle(0x%04x), ioc_status(0x%04x), failure at %s:%d/%s()!\n",
546 handle, ioc_status, __FILE__, __LINE__, __func__);
551 * _scsih_determine_boot_device - determine boot device.
552 * @ioc: per adapter object
553 * @device: sas_device or pcie_device object
554 * @channel: SAS or PCIe channel
556 * Determines whether this device should be first reported device to
557 * to scsi-ml or sas transport, this purpose is for persistent boot device.
558 * There are primary, alternate, and current entries in bios page 2. The order
559 * priority is primary, alternate, then current. This routine saves
560 * the corresponding device object.
561 * The saved data to be used later in _scsih_probe_boot_devices().
564 _scsih_determine_boot_device(struct MPT3SAS_ADAPTER *ioc, void *device,
567 struct _sas_device *sas_device;
568 struct _pcie_device *pcie_device;
569 struct _raid_device *raid_device;
572 u64 enclosure_logical_id;
575 /* only process this function when driver loads */
576 if (!ioc->is_driver_loading)
579 /* no Bios, return immediately */
580 if (!ioc->bios_pg3.BiosVersion)
583 if (channel == RAID_CHANNEL) {
584 raid_device = device;
585 sas_address = raid_device->wwid;
587 enclosure_logical_id = 0;
589 } else if (channel == PCIE_CHANNEL) {
590 pcie_device = device;
591 sas_address = pcie_device->wwid;
593 enclosure_logical_id = 0;
597 sas_address = sas_device->sas_address;
598 device_name = sas_device->device_name;
599 enclosure_logical_id = sas_device->enclosure_logical_id;
600 slot = sas_device->slot;
603 if (!ioc->req_boot_device.device) {
604 if (_scsih_is_boot_device(sas_address, device_name,
605 enclosure_logical_id, slot,
606 (ioc->bios_pg2.ReqBootDeviceForm &
607 MPI2_BIOSPAGE2_FORM_MASK),
608 &ioc->bios_pg2.RequestedBootDevice)) {
610 ioc_info(ioc, "%s: req_boot_device(0x%016llx)\n",
611 __func__, (u64)sas_address));
612 ioc->req_boot_device.device = device;
613 ioc->req_boot_device.channel = channel;
617 if (!ioc->req_alt_boot_device.device) {
618 if (_scsih_is_boot_device(sas_address, device_name,
619 enclosure_logical_id, slot,
620 (ioc->bios_pg2.ReqAltBootDeviceForm &
621 MPI2_BIOSPAGE2_FORM_MASK),
622 &ioc->bios_pg2.RequestedAltBootDevice)) {
624 ioc_info(ioc, "%s: req_alt_boot_device(0x%016llx)\n",
625 __func__, (u64)sas_address));
626 ioc->req_alt_boot_device.device = device;
627 ioc->req_alt_boot_device.channel = channel;
631 if (!ioc->current_boot_device.device) {
632 if (_scsih_is_boot_device(sas_address, device_name,
633 enclosure_logical_id, slot,
634 (ioc->bios_pg2.CurrentBootDeviceForm &
635 MPI2_BIOSPAGE2_FORM_MASK),
636 &ioc->bios_pg2.CurrentBootDevice)) {
638 ioc_info(ioc, "%s: current_boot_device(0x%016llx)\n",
639 __func__, (u64)sas_address));
640 ioc->current_boot_device.device = device;
641 ioc->current_boot_device.channel = channel;
646 static struct _sas_device *
647 __mpt3sas_get_sdev_from_target(struct MPT3SAS_ADAPTER *ioc,
648 struct MPT3SAS_TARGET *tgt_priv)
650 struct _sas_device *ret;
652 assert_spin_locked(&ioc->sas_device_lock);
654 ret = tgt_priv->sas_dev;
661 static struct _sas_device *
662 mpt3sas_get_sdev_from_target(struct MPT3SAS_ADAPTER *ioc,
663 struct MPT3SAS_TARGET *tgt_priv)
665 struct _sas_device *ret;
668 spin_lock_irqsave(&ioc->sas_device_lock, flags);
669 ret = __mpt3sas_get_sdev_from_target(ioc, tgt_priv);
670 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
675 static struct _pcie_device *
676 __mpt3sas_get_pdev_from_target(struct MPT3SAS_ADAPTER *ioc,
677 struct MPT3SAS_TARGET *tgt_priv)
679 struct _pcie_device *ret;
681 assert_spin_locked(&ioc->pcie_device_lock);
683 ret = tgt_priv->pcie_dev;
685 pcie_device_get(ret);
691 * mpt3sas_get_pdev_from_target - pcie device search
692 * @ioc: per adapter object
693 * @tgt_priv: starget private object
695 * Context: This function will acquire ioc->pcie_device_lock and will release
696 * before returning the pcie_device object.
698 * This searches for pcie_device from target, then return pcie_device object.
700 static struct _pcie_device *
701 mpt3sas_get_pdev_from_target(struct MPT3SAS_ADAPTER *ioc,
702 struct MPT3SAS_TARGET *tgt_priv)
704 struct _pcie_device *ret;
707 spin_lock_irqsave(&ioc->pcie_device_lock, flags);
708 ret = __mpt3sas_get_pdev_from_target(ioc, tgt_priv);
709 spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
716 * __mpt3sas_get_sdev_by_rphy - sas device search
717 * @ioc: per adapter object
718 * @rphy: sas_rphy pointer
720 * Context: This function will acquire ioc->sas_device_lock and will release
721 * before returning the sas_device object.
723 * This searches for sas_device from rphy object
724 * then return sas_device object.
727 __mpt3sas_get_sdev_by_rphy(struct MPT3SAS_ADAPTER *ioc,
728 struct sas_rphy *rphy)
730 struct _sas_device *sas_device;
732 assert_spin_locked(&ioc->sas_device_lock);
734 list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
735 if (sas_device->rphy != rphy)
737 sas_device_get(sas_device);
742 list_for_each_entry(sas_device, &ioc->sas_device_init_list, list) {
743 if (sas_device->rphy != rphy)
745 sas_device_get(sas_device);
753 * __mpt3sas_get_sdev_by_addr - get _sas_device object corresponding to provided
754 * sas address from sas_device_list list
755 * @ioc: per adapter object
756 * @sas_address: device sas address
759 * Search for _sas_device object corresponding to provided sas address,
760 * if available return _sas_device object address otherwise return NULL.
763 __mpt3sas_get_sdev_by_addr(struct MPT3SAS_ADAPTER *ioc,
764 u64 sas_address, struct hba_port *port)
766 struct _sas_device *sas_device;
771 assert_spin_locked(&ioc->sas_device_lock);
773 list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
774 if (sas_device->sas_address != sas_address)
776 if (sas_device->port != port)
778 sas_device_get(sas_device);
782 list_for_each_entry(sas_device, &ioc->sas_device_init_list, list) {
783 if (sas_device->sas_address != sas_address)
785 if (sas_device->port != port)
787 sas_device_get(sas_device);
795 * mpt3sas_get_sdev_by_addr - sas device search
796 * @ioc: per adapter object
797 * @sas_address: sas address
798 * @port: hba port entry
799 * Context: Calling function should acquire ioc->sas_device_lock
801 * This searches for sas_device based on sas_address & port number,
802 * then return sas_device object.
805 mpt3sas_get_sdev_by_addr(struct MPT3SAS_ADAPTER *ioc,
806 u64 sas_address, struct hba_port *port)
808 struct _sas_device *sas_device;
811 spin_lock_irqsave(&ioc->sas_device_lock, flags);
812 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
814 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
819 static struct _sas_device *
820 __mpt3sas_get_sdev_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
822 struct _sas_device *sas_device;
824 assert_spin_locked(&ioc->sas_device_lock);
826 list_for_each_entry(sas_device, &ioc->sas_device_list, list)
827 if (sas_device->handle == handle)
830 list_for_each_entry(sas_device, &ioc->sas_device_init_list, list)
831 if (sas_device->handle == handle)
837 sas_device_get(sas_device);
842 * mpt3sas_get_sdev_by_handle - sas device search
843 * @ioc: per adapter object
844 * @handle: sas device handle (assigned by firmware)
845 * Context: Calling function should acquire ioc->sas_device_lock
847 * This searches for sas_device based on sas_address, then return sas_device
851 mpt3sas_get_sdev_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
853 struct _sas_device *sas_device;
856 spin_lock_irqsave(&ioc->sas_device_lock, flags);
857 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
858 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
864 * _scsih_display_enclosure_chassis_info - display device location info
865 * @ioc: per adapter object
866 * @sas_device: per sas device object
867 * @sdev: scsi device struct
868 * @starget: scsi target struct
871 _scsih_display_enclosure_chassis_info(struct MPT3SAS_ADAPTER *ioc,
872 struct _sas_device *sas_device, struct scsi_device *sdev,
873 struct scsi_target *starget)
876 if (sas_device->enclosure_handle != 0)
877 sdev_printk(KERN_INFO, sdev,
878 "enclosure logical id (0x%016llx), slot(%d) \n",
880 sas_device->enclosure_logical_id,
882 if (sas_device->connector_name[0] != '\0')
883 sdev_printk(KERN_INFO, sdev,
884 "enclosure level(0x%04x), connector name( %s)\n",
885 sas_device->enclosure_level,
886 sas_device->connector_name);
887 if (sas_device->is_chassis_slot_valid)
888 sdev_printk(KERN_INFO, sdev, "chassis slot(0x%04x)\n",
889 sas_device->chassis_slot);
890 } else if (starget) {
891 if (sas_device->enclosure_handle != 0)
892 starget_printk(KERN_INFO, starget,
893 "enclosure logical id(0x%016llx), slot(%d) \n",
895 sas_device->enclosure_logical_id,
897 if (sas_device->connector_name[0] != '\0')
898 starget_printk(KERN_INFO, starget,
899 "enclosure level(0x%04x), connector name( %s)\n",
900 sas_device->enclosure_level,
901 sas_device->connector_name);
902 if (sas_device->is_chassis_slot_valid)
903 starget_printk(KERN_INFO, starget,
904 "chassis slot(0x%04x)\n",
905 sas_device->chassis_slot);
907 if (sas_device->enclosure_handle != 0)
908 ioc_info(ioc, "enclosure logical id(0x%016llx), slot(%d)\n",
909 (u64)sas_device->enclosure_logical_id,
911 if (sas_device->connector_name[0] != '\0')
912 ioc_info(ioc, "enclosure level(0x%04x), connector name( %s)\n",
913 sas_device->enclosure_level,
914 sas_device->connector_name);
915 if (sas_device->is_chassis_slot_valid)
916 ioc_info(ioc, "chassis slot(0x%04x)\n",
917 sas_device->chassis_slot);
922 * _scsih_sas_device_remove - remove sas_device from list.
923 * @ioc: per adapter object
924 * @sas_device: the sas_device object
925 * Context: This function will acquire ioc->sas_device_lock.
927 * If sas_device is on the list, remove it and decrement its reference count.
930 _scsih_sas_device_remove(struct MPT3SAS_ADAPTER *ioc,
931 struct _sas_device *sas_device)
937 ioc_info(ioc, "removing handle(0x%04x), sas_addr(0x%016llx)\n",
938 sas_device->handle, (u64)sas_device->sas_address);
940 _scsih_display_enclosure_chassis_info(ioc, sas_device, NULL, NULL);
943 * The lock serializes access to the list, but we still need to verify
944 * that nobody removed the entry while we were waiting on the lock.
946 spin_lock_irqsave(&ioc->sas_device_lock, flags);
947 if (!list_empty(&sas_device->list)) {
948 list_del_init(&sas_device->list);
949 sas_device_put(sas_device);
951 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
955 * _scsih_device_remove_by_handle - removing device object by handle
956 * @ioc: per adapter object
957 * @handle: device handle
960 _scsih_device_remove_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
962 struct _sas_device *sas_device;
965 if (ioc->shost_recovery)
968 spin_lock_irqsave(&ioc->sas_device_lock, flags);
969 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
971 list_del_init(&sas_device->list);
972 sas_device_put(sas_device);
974 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
976 _scsih_remove_device(ioc, sas_device);
977 sas_device_put(sas_device);
982 * mpt3sas_device_remove_by_sas_address - removing device object by
983 * sas address & port number
984 * @ioc: per adapter object
985 * @sas_address: device sas_address
986 * @port: hba port entry
991 mpt3sas_device_remove_by_sas_address(struct MPT3SAS_ADAPTER *ioc,
992 u64 sas_address, struct hba_port *port)
994 struct _sas_device *sas_device;
997 if (ioc->shost_recovery)
1000 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1001 sas_device = __mpt3sas_get_sdev_by_addr(ioc, sas_address, port);
1003 list_del_init(&sas_device->list);
1004 sas_device_put(sas_device);
1006 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1008 _scsih_remove_device(ioc, sas_device);
1009 sas_device_put(sas_device);
1014 * _scsih_sas_device_add - insert sas_device to the list.
1015 * @ioc: per adapter object
1016 * @sas_device: the sas_device object
1017 * Context: This function will acquire ioc->sas_device_lock.
1019 * Adding new object to the ioc->sas_device_list.
1022 _scsih_sas_device_add(struct MPT3SAS_ADAPTER *ioc,
1023 struct _sas_device *sas_device)
1025 unsigned long flags;
1028 ioc_info(ioc, "%s: handle(0x%04x), sas_addr(0x%016llx)\n",
1029 __func__, sas_device->handle,
1030 (u64)sas_device->sas_address));
1032 dewtprintk(ioc, _scsih_display_enclosure_chassis_info(ioc, sas_device,
1035 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1036 sas_device_get(sas_device);
1037 list_add_tail(&sas_device->list, &ioc->sas_device_list);
1038 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1040 if (ioc->hide_drives) {
1041 clear_bit(sas_device->handle, ioc->pend_os_device_add);
1045 if (!mpt3sas_transport_port_add(ioc, sas_device->handle,
1046 sas_device->sas_address_parent, sas_device->port)) {
1047 _scsih_sas_device_remove(ioc, sas_device);
1048 } else if (!sas_device->starget) {
1050 * When asyn scanning is enabled, its not possible to remove
1051 * devices while scanning is turned on due to an oops in
1052 * scsi_sysfs_add_sdev()->add_device()->sysfs_addrm_start()
1054 if (!ioc->is_driver_loading) {
1055 mpt3sas_transport_port_remove(ioc,
1056 sas_device->sas_address,
1057 sas_device->sas_address_parent,
1059 _scsih_sas_device_remove(ioc, sas_device);
1062 clear_bit(sas_device->handle, ioc->pend_os_device_add);
1066 * _scsih_sas_device_init_add - insert sas_device to the list.
1067 * @ioc: per adapter object
1068 * @sas_device: the sas_device object
1069 * Context: This function will acquire ioc->sas_device_lock.
1071 * Adding new object at driver load time to the ioc->sas_device_init_list.
1074 _scsih_sas_device_init_add(struct MPT3SAS_ADAPTER *ioc,
1075 struct _sas_device *sas_device)
1077 unsigned long flags;
1080 ioc_info(ioc, "%s: handle(0x%04x), sas_addr(0x%016llx)\n",
1081 __func__, sas_device->handle,
1082 (u64)sas_device->sas_address));
1084 dewtprintk(ioc, _scsih_display_enclosure_chassis_info(ioc, sas_device,
1087 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1088 sas_device_get(sas_device);
1089 list_add_tail(&sas_device->list, &ioc->sas_device_init_list);
1090 _scsih_determine_boot_device(ioc, sas_device, 0);
1091 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1095 static struct _pcie_device *
1096 __mpt3sas_get_pdev_by_wwid(struct MPT3SAS_ADAPTER *ioc, u64 wwid)
1098 struct _pcie_device *pcie_device;
1100 assert_spin_locked(&ioc->pcie_device_lock);
1102 list_for_each_entry(pcie_device, &ioc->pcie_device_list, list)
1103 if (pcie_device->wwid == wwid)
1106 list_for_each_entry(pcie_device, &ioc->pcie_device_init_list, list)
1107 if (pcie_device->wwid == wwid)
1113 pcie_device_get(pcie_device);
1119 * mpt3sas_get_pdev_by_wwid - pcie device search
1120 * @ioc: per adapter object
1123 * Context: This function will acquire ioc->pcie_device_lock and will release
1124 * before returning the pcie_device object.
1126 * This searches for pcie_device based on wwid, then return pcie_device object.
1128 static struct _pcie_device *
1129 mpt3sas_get_pdev_by_wwid(struct MPT3SAS_ADAPTER *ioc, u64 wwid)
1131 struct _pcie_device *pcie_device;
1132 unsigned long flags;
1134 spin_lock_irqsave(&ioc->pcie_device_lock, flags);
1135 pcie_device = __mpt3sas_get_pdev_by_wwid(ioc, wwid);
1136 spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
1142 static struct _pcie_device *
1143 __mpt3sas_get_pdev_by_idchannel(struct MPT3SAS_ADAPTER *ioc, int id,
1146 struct _pcie_device *pcie_device;
1148 assert_spin_locked(&ioc->pcie_device_lock);
1150 list_for_each_entry(pcie_device, &ioc->pcie_device_list, list)
1151 if (pcie_device->id == id && pcie_device->channel == channel)
1154 list_for_each_entry(pcie_device, &ioc->pcie_device_init_list, list)
1155 if (pcie_device->id == id && pcie_device->channel == channel)
1161 pcie_device_get(pcie_device);
1165 static struct _pcie_device *
1166 __mpt3sas_get_pdev_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
1168 struct _pcie_device *pcie_device;
1170 assert_spin_locked(&ioc->pcie_device_lock);
1172 list_for_each_entry(pcie_device, &ioc->pcie_device_list, list)
1173 if (pcie_device->handle == handle)
1176 list_for_each_entry(pcie_device, &ioc->pcie_device_init_list, list)
1177 if (pcie_device->handle == handle)
1183 pcie_device_get(pcie_device);
1189 * mpt3sas_get_pdev_by_handle - pcie device search
1190 * @ioc: per adapter object
1191 * @handle: Firmware device handle
1193 * Context: This function will acquire ioc->pcie_device_lock and will release
1194 * before returning the pcie_device object.
1196 * This searches for pcie_device based on handle, then return pcie_device
1199 struct _pcie_device *
1200 mpt3sas_get_pdev_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
1202 struct _pcie_device *pcie_device;
1203 unsigned long flags;
1205 spin_lock_irqsave(&ioc->pcie_device_lock, flags);
1206 pcie_device = __mpt3sas_get_pdev_by_handle(ioc, handle);
1207 spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
1213 * _scsih_set_nvme_max_shutdown_latency - Update max_shutdown_latency.
1214 * @ioc: per adapter object
1215 * Context: This function will acquire ioc->pcie_device_lock
1217 * Update ioc->max_shutdown_latency to that NVMe drives RTD3 Entry Latency
1218 * which has reported maximum among all available NVMe drives.
1219 * Minimum max_shutdown_latency will be six seconds.
1222 _scsih_set_nvme_max_shutdown_latency(struct MPT3SAS_ADAPTER *ioc)
1224 struct _pcie_device *pcie_device;
1225 unsigned long flags;
1226 u16 shutdown_latency = IO_UNIT_CONTROL_SHUTDOWN_TIMEOUT;
1228 spin_lock_irqsave(&ioc->pcie_device_lock, flags);
1229 list_for_each_entry(pcie_device, &ioc->pcie_device_list, list) {
1230 if (pcie_device->shutdown_latency) {
1231 if (shutdown_latency < pcie_device->shutdown_latency)
1233 pcie_device->shutdown_latency;
1236 ioc->max_shutdown_latency = shutdown_latency;
1237 spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
1241 * _scsih_pcie_device_remove - remove pcie_device from list.
1242 * @ioc: per adapter object
1243 * @pcie_device: the pcie_device object
1244 * Context: This function will acquire ioc->pcie_device_lock.
1246 * If pcie_device is on the list, remove it and decrement its reference count.
1249 _scsih_pcie_device_remove(struct MPT3SAS_ADAPTER *ioc,
1250 struct _pcie_device *pcie_device)
1252 unsigned long flags;
1253 int was_on_pcie_device_list = 0;
1254 u8 update_latency = 0;
1258 ioc_info(ioc, "removing handle(0x%04x), wwid(0x%016llx)\n",
1259 pcie_device->handle, (u64)pcie_device->wwid);
1260 if (pcie_device->enclosure_handle != 0)
1261 ioc_info(ioc, "removing enclosure logical id(0x%016llx), slot(%d)\n",
1262 (u64)pcie_device->enclosure_logical_id,
1264 if (pcie_device->connector_name[0] != '\0')
1265 ioc_info(ioc, "removing enclosure level(0x%04x), connector name( %s)\n",
1266 pcie_device->enclosure_level,
1267 pcie_device->connector_name);
1269 spin_lock_irqsave(&ioc->pcie_device_lock, flags);
1270 if (!list_empty(&pcie_device->list)) {
1271 list_del_init(&pcie_device->list);
1272 was_on_pcie_device_list = 1;
1274 if (pcie_device->shutdown_latency == ioc->max_shutdown_latency)
1276 spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
1277 if (was_on_pcie_device_list) {
1278 kfree(pcie_device->serial_number);
1279 pcie_device_put(pcie_device);
1283 * This device's RTD3 Entry Latency matches IOC's
1284 * max_shutdown_latency. Recalculate IOC's max_shutdown_latency
1285 * from the available drives as current drive is getting removed.
1288 _scsih_set_nvme_max_shutdown_latency(ioc);
1293 * _scsih_pcie_device_remove_by_handle - removing pcie device object by handle
1294 * @ioc: per adapter object
1295 * @handle: device handle
1298 _scsih_pcie_device_remove_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
1300 struct _pcie_device *pcie_device;
1301 unsigned long flags;
1302 int was_on_pcie_device_list = 0;
1303 u8 update_latency = 0;
1305 if (ioc->shost_recovery)
1308 spin_lock_irqsave(&ioc->pcie_device_lock, flags);
1309 pcie_device = __mpt3sas_get_pdev_by_handle(ioc, handle);
1311 if (!list_empty(&pcie_device->list)) {
1312 list_del_init(&pcie_device->list);
1313 was_on_pcie_device_list = 1;
1314 pcie_device_put(pcie_device);
1316 if (pcie_device->shutdown_latency == ioc->max_shutdown_latency)
1319 spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
1320 if (was_on_pcie_device_list) {
1321 _scsih_pcie_device_remove_from_sml(ioc, pcie_device);
1322 pcie_device_put(pcie_device);
1326 * This device's RTD3 Entry Latency matches IOC's
1327 * max_shutdown_latency. Recalculate IOC's max_shutdown_latency
1328 * from the available drives as current drive is getting removed.
1331 _scsih_set_nvme_max_shutdown_latency(ioc);
1335 * _scsih_pcie_device_add - add pcie_device object
1336 * @ioc: per adapter object
1337 * @pcie_device: pcie_device object
1339 * This is added to the pcie_device_list link list.
1342 _scsih_pcie_device_add(struct MPT3SAS_ADAPTER *ioc,
1343 struct _pcie_device *pcie_device)
1345 unsigned long flags;
1348 ioc_info(ioc, "%s: handle (0x%04x), wwid(0x%016llx)\n",
1350 pcie_device->handle, (u64)pcie_device->wwid));
1351 if (pcie_device->enclosure_handle != 0)
1353 ioc_info(ioc, "%s: enclosure logical id(0x%016llx), slot( %d)\n",
1355 (u64)pcie_device->enclosure_logical_id,
1356 pcie_device->slot));
1357 if (pcie_device->connector_name[0] != '\0')
1359 ioc_info(ioc, "%s: enclosure level(0x%04x), connector name( %s)\n",
1360 __func__, pcie_device->enclosure_level,
1361 pcie_device->connector_name));
1363 spin_lock_irqsave(&ioc->pcie_device_lock, flags);
1364 pcie_device_get(pcie_device);
1365 list_add_tail(&pcie_device->list, &ioc->pcie_device_list);
1366 spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
1368 if (pcie_device->access_status ==
1369 MPI26_PCIEDEV0_ASTATUS_DEVICE_BLOCKED) {
1370 clear_bit(pcie_device->handle, ioc->pend_os_device_add);
1373 if (scsi_add_device(ioc->shost, PCIE_CHANNEL, pcie_device->id, 0)) {
1374 _scsih_pcie_device_remove(ioc, pcie_device);
1375 } else if (!pcie_device->starget) {
1376 if (!ioc->is_driver_loading) {
1377 /*TODO-- Need to find out whether this condition will occur or not*/
1378 clear_bit(pcie_device->handle, ioc->pend_os_device_add);
1381 clear_bit(pcie_device->handle, ioc->pend_os_device_add);
1385 * _scsih_pcie_device_init_add - insert pcie_device to the init list.
1386 * @ioc: per adapter object
1387 * @pcie_device: the pcie_device object
1388 * Context: This function will acquire ioc->pcie_device_lock.
1390 * Adding new object at driver load time to the ioc->pcie_device_init_list.
1393 _scsih_pcie_device_init_add(struct MPT3SAS_ADAPTER *ioc,
1394 struct _pcie_device *pcie_device)
1396 unsigned long flags;
1399 ioc_info(ioc, "%s: handle (0x%04x), wwid(0x%016llx)\n",
1401 pcie_device->handle, (u64)pcie_device->wwid));
1402 if (pcie_device->enclosure_handle != 0)
1404 ioc_info(ioc, "%s: enclosure logical id(0x%016llx), slot( %d)\n",
1406 (u64)pcie_device->enclosure_logical_id,
1407 pcie_device->slot));
1408 if (pcie_device->connector_name[0] != '\0')
1410 ioc_info(ioc, "%s: enclosure level(0x%04x), connector name( %s)\n",
1411 __func__, pcie_device->enclosure_level,
1412 pcie_device->connector_name));
1414 spin_lock_irqsave(&ioc->pcie_device_lock, flags);
1415 pcie_device_get(pcie_device);
1416 list_add_tail(&pcie_device->list, &ioc->pcie_device_init_list);
1417 if (pcie_device->access_status !=
1418 MPI26_PCIEDEV0_ASTATUS_DEVICE_BLOCKED)
1419 _scsih_determine_boot_device(ioc, pcie_device, PCIE_CHANNEL);
1420 spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
1423 * _scsih_raid_device_find_by_id - raid device search
1424 * @ioc: per adapter object
1425 * @id: sas device target id
1426 * @channel: sas device channel
1427 * Context: Calling function should acquire ioc->raid_device_lock
1429 * This searches for raid_device based on target id, then return raid_device
1432 static struct _raid_device *
1433 _scsih_raid_device_find_by_id(struct MPT3SAS_ADAPTER *ioc, int id, int channel)
1435 struct _raid_device *raid_device, *r;
1438 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
1439 if (raid_device->id == id && raid_device->channel == channel) {
1450 * mpt3sas_raid_device_find_by_handle - raid device search
1451 * @ioc: per adapter object
1452 * @handle: sas device handle (assigned by firmware)
1453 * Context: Calling function should acquire ioc->raid_device_lock
1455 * This searches for raid_device based on handle, then return raid_device
1458 struct _raid_device *
1459 mpt3sas_raid_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
1461 struct _raid_device *raid_device, *r;
1464 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
1465 if (raid_device->handle != handle)
1476 * _scsih_raid_device_find_by_wwid - raid device search
1477 * @ioc: per adapter object
1479 * Context: Calling function should acquire ioc->raid_device_lock
1481 * This searches for raid_device based on wwid, then return raid_device
1484 static struct _raid_device *
1485 _scsih_raid_device_find_by_wwid(struct MPT3SAS_ADAPTER *ioc, u64 wwid)
1487 struct _raid_device *raid_device, *r;
1490 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
1491 if (raid_device->wwid != wwid)
1502 * _scsih_raid_device_add - add raid_device object
1503 * @ioc: per adapter object
1504 * @raid_device: raid_device object
1506 * This is added to the raid_device_list link list.
1509 _scsih_raid_device_add(struct MPT3SAS_ADAPTER *ioc,
1510 struct _raid_device *raid_device)
1512 unsigned long flags;
1515 ioc_info(ioc, "%s: handle(0x%04x), wwid(0x%016llx)\n",
1517 raid_device->handle, (u64)raid_device->wwid));
1519 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1520 list_add_tail(&raid_device->list, &ioc->raid_device_list);
1521 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1525 * _scsih_raid_device_remove - delete raid_device object
1526 * @ioc: per adapter object
1527 * @raid_device: raid_device object
1531 _scsih_raid_device_remove(struct MPT3SAS_ADAPTER *ioc,
1532 struct _raid_device *raid_device)
1534 unsigned long flags;
1536 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1537 list_del(&raid_device->list);
1539 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1543 * mpt3sas_scsih_expander_find_by_handle - expander device search
1544 * @ioc: per adapter object
1545 * @handle: expander handle (assigned by firmware)
1546 * Context: Calling function should acquire ioc->sas_device_lock
1548 * This searches for expander device based on handle, then returns the
1552 mpt3sas_scsih_expander_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
1554 struct _sas_node *sas_expander, *r;
1557 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
1558 if (sas_expander->handle != handle)
1568 * mpt3sas_scsih_enclosure_find_by_handle - exclosure device search
1569 * @ioc: per adapter object
1570 * @handle: enclosure handle (assigned by firmware)
1571 * Context: Calling function should acquire ioc->sas_device_lock
1573 * This searches for enclosure device based on handle, then returns the
1576 static struct _enclosure_node *
1577 mpt3sas_scsih_enclosure_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
1579 struct _enclosure_node *enclosure_dev, *r;
1582 list_for_each_entry(enclosure_dev, &ioc->enclosure_list, list) {
1583 if (le16_to_cpu(enclosure_dev->pg0.EnclosureHandle) != handle)
1592 * mpt3sas_scsih_expander_find_by_sas_address - expander device search
1593 * @ioc: per adapter object
1594 * @sas_address: sas address
1595 * @port: hba port entry
1596 * Context: Calling function should acquire ioc->sas_node_lock.
1598 * This searches for expander device based on sas_address & port number,
1599 * then returns the sas_node object.
1602 mpt3sas_scsih_expander_find_by_sas_address(struct MPT3SAS_ADAPTER *ioc,
1603 u64 sas_address, struct hba_port *port)
1605 struct _sas_node *sas_expander, *r = NULL;
1610 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
1611 if (sas_expander->sas_address != sas_address)
1613 if (sas_expander->port != port)
1623 * _scsih_expander_node_add - insert expander device to the list.
1624 * @ioc: per adapter object
1625 * @sas_expander: the sas_device object
1626 * Context: This function will acquire ioc->sas_node_lock.
1628 * Adding new object to the ioc->sas_expander_list.
1631 _scsih_expander_node_add(struct MPT3SAS_ADAPTER *ioc,
1632 struct _sas_node *sas_expander)
1634 unsigned long flags;
1636 spin_lock_irqsave(&ioc->sas_node_lock, flags);
1637 list_add_tail(&sas_expander->list, &ioc->sas_expander_list);
1638 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
1642 * _scsih_is_end_device - determines if device is an end device
1643 * @device_info: bitfield providing information about the device.
1646 * Return: 1 if end device.
1649 _scsih_is_end_device(u32 device_info)
1651 if (device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE &&
1652 ((device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) |
1653 (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) |
1654 (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)))
1661 * _scsih_is_nvme_pciescsi_device - determines if
1662 * device is an pcie nvme/scsi device
1663 * @device_info: bitfield providing information about the device.
1666 * Returns 1 if device is pcie device type nvme/scsi.
1669 _scsih_is_nvme_pciescsi_device(u32 device_info)
1671 if (((device_info & MPI26_PCIE_DEVINFO_MASK_DEVICE_TYPE)
1672 == MPI26_PCIE_DEVINFO_NVME) ||
1673 ((device_info & MPI26_PCIE_DEVINFO_MASK_DEVICE_TYPE)
1674 == MPI26_PCIE_DEVINFO_SCSI))
1681 * _scsih_scsi_lookup_find_by_target - search for matching channel:id
1682 * @ioc: per adapter object
1685 * Context: This function will acquire ioc->scsi_lookup_lock.
1687 * This will search for a matching channel:id in the scsi_lookup array,
1688 * returning 1 if found.
1691 _scsih_scsi_lookup_find_by_target(struct MPT3SAS_ADAPTER *ioc, int id,
1695 struct scsi_cmnd *scmd;
1698 smid <= ioc->shost->can_queue; smid++) {
1699 scmd = mpt3sas_scsih_scsi_lookup_get(ioc, smid);
1702 if (scmd->device->id == id &&
1703 scmd->device->channel == channel)
1710 * _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun
1711 * @ioc: per adapter object
1715 * Context: This function will acquire ioc->scsi_lookup_lock.
1717 * This will search for a matching channel:id:lun in the scsi_lookup array,
1718 * returning 1 if found.
1721 _scsih_scsi_lookup_find_by_lun(struct MPT3SAS_ADAPTER *ioc, int id,
1722 unsigned int lun, int channel)
1725 struct scsi_cmnd *scmd;
1727 for (smid = 1; smid <= ioc->shost->can_queue; smid++) {
1729 scmd = mpt3sas_scsih_scsi_lookup_get(ioc, smid);
1732 if (scmd->device->id == id &&
1733 scmd->device->channel == channel &&
1734 scmd->device->lun == lun)
1741 * mpt3sas_scsih_scsi_lookup_get - returns scmd entry
1742 * @ioc: per adapter object
1743 * @smid: system request message index
1745 * Return: the smid stored scmd pointer.
1746 * Then will dereference the stored scmd pointer.
1749 mpt3sas_scsih_scsi_lookup_get(struct MPT3SAS_ADAPTER *ioc, u16 smid)
1751 struct scsi_cmnd *scmd = NULL;
1752 struct scsiio_tracker *st;
1753 Mpi25SCSIIORequest_t *mpi_request;
1757 smid <= ioc->scsiio_depth - INTERNAL_SCSIIO_CMDS_COUNT) {
1759 ioc->io_queue_num[tag] << BLK_MQ_UNIQUE_TAG_BITS | tag;
1761 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
1764 * If SCSI IO request is outstanding at driver level then
1765 * DevHandle filed must be non-zero. If DevHandle is zero
1766 * then it means that this smid is free at driver level,
1769 if (!mpi_request->DevHandle)
1772 scmd = scsi_host_find_tag(ioc->shost, unique_tag);
1774 st = scsi_cmd_priv(scmd);
1775 if (st->cb_idx == 0xFF || st->smid == 0)
1783 * scsih_change_queue_depth - setting device queue depth
1784 * @sdev: scsi device struct
1785 * @qdepth: requested queue depth
1787 * Return: queue depth.
1790 scsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
1792 struct Scsi_Host *shost = sdev->host;
1794 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
1795 struct MPT3SAS_DEVICE *sas_device_priv_data;
1796 struct MPT3SAS_TARGET *sas_target_priv_data;
1797 struct _sas_device *sas_device;
1798 unsigned long flags;
1800 max_depth = shost->can_queue;
1803 * limit max device queue for SATA to 32 if enable_sdev_max_qd
1806 if (ioc->enable_sdev_max_qd || ioc->is_gen35_ioc)
1809 sas_device_priv_data = sdev->hostdata;
1810 if (!sas_device_priv_data)
1812 sas_target_priv_data = sas_device_priv_data->sas_target;
1813 if (!sas_target_priv_data)
1815 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))
1818 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1819 sas_device = __mpt3sas_get_sdev_from_target(ioc, sas_target_priv_data);
1821 if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
1822 max_depth = MPT3SAS_SATA_QUEUE_DEPTH;
1824 sas_device_put(sas_device);
1826 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1830 if (!sdev->tagged_supported)
1832 if (qdepth > max_depth)
1834 scsi_change_queue_depth(sdev, qdepth);
1835 sdev_printk(KERN_INFO, sdev,
1836 "qdepth(%d), tagged(%d), scsi_level(%d), cmd_que(%d)\n",
1837 sdev->queue_depth, sdev->tagged_supported,
1838 sdev->scsi_level, ((sdev->inquiry[7] & 2) >> 1));
1839 return sdev->queue_depth;
1843 * mpt3sas_scsih_change_queue_depth - setting device queue depth
1844 * @sdev: scsi device struct
1845 * @qdepth: requested queue depth
1850 mpt3sas_scsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
1852 struct Scsi_Host *shost = sdev->host;
1853 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
1855 if (ioc->enable_sdev_max_qd)
1856 qdepth = shost->can_queue;
1858 scsih_change_queue_depth(sdev, qdepth);
1862 * scsih_target_alloc - target add routine
1863 * @starget: scsi target struct
1865 * Return: 0 if ok. Any other return is assumed to be an error and
1866 * the device is ignored.
1869 scsih_target_alloc(struct scsi_target *starget)
1871 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
1872 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
1873 struct MPT3SAS_TARGET *sas_target_priv_data;
1874 struct _sas_device *sas_device;
1875 struct _raid_device *raid_device;
1876 struct _pcie_device *pcie_device;
1877 unsigned long flags;
1878 struct sas_rphy *rphy;
1880 sas_target_priv_data = kzalloc(sizeof(*sas_target_priv_data),
1882 if (!sas_target_priv_data)
1885 starget->hostdata = sas_target_priv_data;
1886 sas_target_priv_data->starget = starget;
1887 sas_target_priv_data->handle = MPT3SAS_INVALID_DEVICE_HANDLE;
1890 if (starget->channel == RAID_CHANNEL) {
1891 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1892 raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
1895 sas_target_priv_data->handle = raid_device->handle;
1896 sas_target_priv_data->sas_address = raid_device->wwid;
1897 sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME;
1898 if (ioc->is_warpdrive)
1899 sas_target_priv_data->raid_device = raid_device;
1900 raid_device->starget = starget;
1902 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1907 if (starget->channel == PCIE_CHANNEL) {
1908 spin_lock_irqsave(&ioc->pcie_device_lock, flags);
1909 pcie_device = __mpt3sas_get_pdev_by_idchannel(ioc, starget->id,
1912 sas_target_priv_data->handle = pcie_device->handle;
1913 sas_target_priv_data->sas_address = pcie_device->wwid;
1914 sas_target_priv_data->port = NULL;
1915 sas_target_priv_data->pcie_dev = pcie_device;
1916 pcie_device->starget = starget;
1917 pcie_device->id = starget->id;
1918 pcie_device->channel = starget->channel;
1919 sas_target_priv_data->flags |=
1920 MPT_TARGET_FLAGS_PCIE_DEVICE;
1921 if (pcie_device->fast_path)
1922 sas_target_priv_data->flags |=
1923 MPT_TARGET_FASTPATH_IO;
1925 spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
1929 /* sas/sata devices */
1930 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1931 rphy = dev_to_rphy(starget->dev.parent);
1932 sas_device = __mpt3sas_get_sdev_by_rphy(ioc, rphy);
1935 sas_target_priv_data->handle = sas_device->handle;
1936 sas_target_priv_data->sas_address = sas_device->sas_address;
1937 sas_target_priv_data->port = sas_device->port;
1938 sas_target_priv_data->sas_dev = sas_device;
1939 sas_device->starget = starget;
1940 sas_device->id = starget->id;
1941 sas_device->channel = starget->channel;
1942 if (test_bit(sas_device->handle, ioc->pd_handles))
1943 sas_target_priv_data->flags |=
1944 MPT_TARGET_FLAGS_RAID_COMPONENT;
1945 if (sas_device->fast_path)
1946 sas_target_priv_data->flags |=
1947 MPT_TARGET_FASTPATH_IO;
1949 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1955 * scsih_target_destroy - target destroy routine
1956 * @starget: scsi target struct
1959 scsih_target_destroy(struct scsi_target *starget)
1961 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
1962 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
1963 struct MPT3SAS_TARGET *sas_target_priv_data;
1964 struct _sas_device *sas_device;
1965 struct _raid_device *raid_device;
1966 struct _pcie_device *pcie_device;
1967 unsigned long flags;
1969 sas_target_priv_data = starget->hostdata;
1970 if (!sas_target_priv_data)
1973 if (starget->channel == RAID_CHANNEL) {
1974 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1975 raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
1978 raid_device->starget = NULL;
1979 raid_device->sdev = NULL;
1981 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1985 if (starget->channel == PCIE_CHANNEL) {
1986 spin_lock_irqsave(&ioc->pcie_device_lock, flags);
1987 pcie_device = __mpt3sas_get_pdev_from_target(ioc,
1988 sas_target_priv_data);
1989 if (pcie_device && (pcie_device->starget == starget) &&
1990 (pcie_device->id == starget->id) &&
1991 (pcie_device->channel == starget->channel))
1992 pcie_device->starget = NULL;
1996 * Corresponding get() is in _scsih_target_alloc()
1998 sas_target_priv_data->pcie_dev = NULL;
1999 pcie_device_put(pcie_device);
2000 pcie_device_put(pcie_device);
2002 spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
2006 spin_lock_irqsave(&ioc->sas_device_lock, flags);
2007 sas_device = __mpt3sas_get_sdev_from_target(ioc, sas_target_priv_data);
2008 if (sas_device && (sas_device->starget == starget) &&
2009 (sas_device->id == starget->id) &&
2010 (sas_device->channel == starget->channel))
2011 sas_device->starget = NULL;
2015 * Corresponding get() is in _scsih_target_alloc()
2017 sas_target_priv_data->sas_dev = NULL;
2018 sas_device_put(sas_device);
2020 sas_device_put(sas_device);
2022 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2025 kfree(sas_target_priv_data);
2026 starget->hostdata = NULL;
2030 * scsih_slave_alloc - device add routine
2031 * @sdev: scsi device struct
2033 * Return: 0 if ok. Any other return is assumed to be an error and
2034 * the device is ignored.
2037 scsih_slave_alloc(struct scsi_device *sdev)
2039 struct Scsi_Host *shost;
2040 struct MPT3SAS_ADAPTER *ioc;
2041 struct MPT3SAS_TARGET *sas_target_priv_data;
2042 struct MPT3SAS_DEVICE *sas_device_priv_data;
2043 struct scsi_target *starget;
2044 struct _raid_device *raid_device;
2045 struct _sas_device *sas_device;
2046 struct _pcie_device *pcie_device;
2047 unsigned long flags;
2049 sas_device_priv_data = kzalloc(sizeof(*sas_device_priv_data),
2051 if (!sas_device_priv_data)
2054 sas_device_priv_data->lun = sdev->lun;
2055 sas_device_priv_data->flags = MPT_DEVICE_FLAGS_INIT;
2057 starget = scsi_target(sdev);
2058 sas_target_priv_data = starget->hostdata;
2059 sas_target_priv_data->num_luns++;
2060 sas_device_priv_data->sas_target = sas_target_priv_data;
2061 sdev->hostdata = sas_device_priv_data;
2062 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT))
2063 sdev->no_uld_attach = 1;
2065 shost = dev_to_shost(&starget->dev);
2066 ioc = shost_priv(shost);
2067 if (starget->channel == RAID_CHANNEL) {
2068 spin_lock_irqsave(&ioc->raid_device_lock, flags);
2069 raid_device = _scsih_raid_device_find_by_id(ioc,
2070 starget->id, starget->channel);
2072 raid_device->sdev = sdev; /* raid is single lun */
2073 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
2075 if (starget->channel == PCIE_CHANNEL) {
2076 spin_lock_irqsave(&ioc->pcie_device_lock, flags);
2077 pcie_device = __mpt3sas_get_pdev_by_wwid(ioc,
2078 sas_target_priv_data->sas_address);
2079 if (pcie_device && (pcie_device->starget == NULL)) {
2080 sdev_printk(KERN_INFO, sdev,
2081 "%s : pcie_device->starget set to starget @ %d\n",
2082 __func__, __LINE__);
2083 pcie_device->starget = starget;
2087 pcie_device_put(pcie_device);
2088 spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
2090 } else if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) {
2091 spin_lock_irqsave(&ioc->sas_device_lock, flags);
2092 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
2093 sas_target_priv_data->sas_address,
2094 sas_target_priv_data->port);
2095 if (sas_device && (sas_device->starget == NULL)) {
2096 sdev_printk(KERN_INFO, sdev,
2097 "%s : sas_device->starget set to starget @ %d\n",
2098 __func__, __LINE__);
2099 sas_device->starget = starget;
2103 sas_device_put(sas_device);
2105 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2112 * scsih_slave_destroy - device destroy routine
2113 * @sdev: scsi device struct
2116 scsih_slave_destroy(struct scsi_device *sdev)
2118 struct MPT3SAS_TARGET *sas_target_priv_data;
2119 struct scsi_target *starget;
2120 struct Scsi_Host *shost;
2121 struct MPT3SAS_ADAPTER *ioc;
2122 struct _sas_device *sas_device;
2123 struct _pcie_device *pcie_device;
2124 unsigned long flags;
2126 if (!sdev->hostdata)
2129 starget = scsi_target(sdev);
2130 sas_target_priv_data = starget->hostdata;
2131 sas_target_priv_data->num_luns--;
2133 shost = dev_to_shost(&starget->dev);
2134 ioc = shost_priv(shost);
2136 if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_PCIE_DEVICE) {
2137 spin_lock_irqsave(&ioc->pcie_device_lock, flags);
2138 pcie_device = __mpt3sas_get_pdev_from_target(ioc,
2139 sas_target_priv_data);
2140 if (pcie_device && !sas_target_priv_data->num_luns)
2141 pcie_device->starget = NULL;
2144 pcie_device_put(pcie_device);
2146 spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
2148 } else if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) {
2149 spin_lock_irqsave(&ioc->sas_device_lock, flags);
2150 sas_device = __mpt3sas_get_sdev_from_target(ioc,
2151 sas_target_priv_data);
2152 if (sas_device && !sas_target_priv_data->num_luns)
2153 sas_device->starget = NULL;
2156 sas_device_put(sas_device);
2157 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2160 kfree(sdev->hostdata);
2161 sdev->hostdata = NULL;
2165 * _scsih_display_sata_capabilities - sata capabilities
2166 * @ioc: per adapter object
2167 * @handle: device handle
2168 * @sdev: scsi device struct
2171 _scsih_display_sata_capabilities(struct MPT3SAS_ADAPTER *ioc,
2172 u16 handle, struct scsi_device *sdev)
2174 Mpi2ConfigReply_t mpi_reply;
2175 Mpi2SasDevicePage0_t sas_device_pg0;
2180 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
2181 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
2182 ioc_err(ioc, "failure at %s:%d/%s()!\n",
2183 __FILE__, __LINE__, __func__);
2187 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
2188 MPI2_IOCSTATUS_MASK;
2189 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
2190 ioc_err(ioc, "failure at %s:%d/%s()!\n",
2191 __FILE__, __LINE__, __func__);
2195 flags = le16_to_cpu(sas_device_pg0.Flags);
2196 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
2198 sdev_printk(KERN_INFO, sdev,
2199 "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), "
2200 "sw_preserve(%s)\n",
2201 (device_info & MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? "y" : "n",
2202 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED) ? "y" : "n",
2203 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY) ? "y" :
2205 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED) ? "y" : "n",
2206 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED) ? "y" : "n",
2207 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE) ? "y" : "n");
2211 * raid transport support -
2212 * Enabled for SLES11 and newer, in older kernels the driver will panic when
2213 * unloading the driver followed by a load - I believe that the subroutine
2214 * raid_class_release() is not cleaning up properly.
2218 * scsih_is_raid - return boolean indicating device is raid volume
2219 * @dev: the device struct object
2222 scsih_is_raid(struct device *dev)
2224 struct scsi_device *sdev = to_scsi_device(dev);
2225 struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host);
2227 if (ioc->is_warpdrive)
2229 return (sdev->channel == RAID_CHANNEL) ? 1 : 0;
2233 scsih_is_nvme(struct device *dev)
2235 struct scsi_device *sdev = to_scsi_device(dev);
2237 return (sdev->channel == PCIE_CHANNEL) ? 1 : 0;
2241 * scsih_get_resync - get raid volume resync percent complete
2242 * @dev: the device struct object
2245 scsih_get_resync(struct device *dev)
2247 struct scsi_device *sdev = to_scsi_device(dev);
2248 struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host);
2249 static struct _raid_device *raid_device;
2250 unsigned long flags;
2251 Mpi2RaidVolPage0_t vol_pg0;
2252 Mpi2ConfigReply_t mpi_reply;
2253 u32 volume_status_flags;
2254 u8 percent_complete;
2257 percent_complete = 0;
2259 if (ioc->is_warpdrive)
2262 spin_lock_irqsave(&ioc->raid_device_lock, flags);
2263 raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id,
2266 handle = raid_device->handle;
2267 percent_complete = raid_device->percent_complete;
2269 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
2274 if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0,
2275 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
2276 sizeof(Mpi2RaidVolPage0_t))) {
2277 ioc_err(ioc, "failure at %s:%d/%s()!\n",
2278 __FILE__, __LINE__, __func__);
2279 percent_complete = 0;
2283 volume_status_flags = le32_to_cpu(vol_pg0.VolumeStatusFlags);
2284 if (!(volume_status_flags &
2285 MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS))
2286 percent_complete = 0;
2290 switch (ioc->hba_mpi_version_belonged) {
2292 raid_set_resync(mpt2sas_raid_template, dev, percent_complete);
2296 raid_set_resync(mpt3sas_raid_template, dev, percent_complete);
2302 * scsih_get_state - get raid volume level
2303 * @dev: the device struct object
2306 scsih_get_state(struct device *dev)
2308 struct scsi_device *sdev = to_scsi_device(dev);
2309 struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host);
2310 static struct _raid_device *raid_device;
2311 unsigned long flags;
2312 Mpi2RaidVolPage0_t vol_pg0;
2313 Mpi2ConfigReply_t mpi_reply;
2315 enum raid_state state = RAID_STATE_UNKNOWN;
2318 spin_lock_irqsave(&ioc->raid_device_lock, flags);
2319 raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id,
2322 handle = raid_device->handle;
2323 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
2328 if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0,
2329 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
2330 sizeof(Mpi2RaidVolPage0_t))) {
2331 ioc_err(ioc, "failure at %s:%d/%s()!\n",
2332 __FILE__, __LINE__, __func__);
2336 volstate = le32_to_cpu(vol_pg0.VolumeStatusFlags);
2337 if (volstate & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) {
2338 state = RAID_STATE_RESYNCING;
2342 switch (vol_pg0.VolumeState) {
2343 case MPI2_RAID_VOL_STATE_OPTIMAL:
2344 case MPI2_RAID_VOL_STATE_ONLINE:
2345 state = RAID_STATE_ACTIVE;
2347 case MPI2_RAID_VOL_STATE_DEGRADED:
2348 state = RAID_STATE_DEGRADED;
2350 case MPI2_RAID_VOL_STATE_FAILED:
2351 case MPI2_RAID_VOL_STATE_MISSING:
2352 state = RAID_STATE_OFFLINE;
2356 switch (ioc->hba_mpi_version_belonged) {
2358 raid_set_state(mpt2sas_raid_template, dev, state);
2362 raid_set_state(mpt3sas_raid_template, dev, state);
2368 * _scsih_set_level - set raid level
2370 * @sdev: scsi device struct
2371 * @volume_type: volume type
2374 _scsih_set_level(struct MPT3SAS_ADAPTER *ioc,
2375 struct scsi_device *sdev, u8 volume_type)
2377 enum raid_level level = RAID_LEVEL_UNKNOWN;
2379 switch (volume_type) {
2380 case MPI2_RAID_VOL_TYPE_RAID0:
2381 level = RAID_LEVEL_0;
2383 case MPI2_RAID_VOL_TYPE_RAID10:
2384 level = RAID_LEVEL_10;
2386 case MPI2_RAID_VOL_TYPE_RAID1E:
2387 level = RAID_LEVEL_1E;
2389 case MPI2_RAID_VOL_TYPE_RAID1:
2390 level = RAID_LEVEL_1;
2394 switch (ioc->hba_mpi_version_belonged) {
2396 raid_set_level(mpt2sas_raid_template,
2397 &sdev->sdev_gendev, level);
2401 raid_set_level(mpt3sas_raid_template,
2402 &sdev->sdev_gendev, level);
2409 * _scsih_get_volume_capabilities - volume capabilities
2410 * @ioc: per adapter object
2411 * @raid_device: the raid_device object
2413 * Return: 0 for success, else 1
2416 _scsih_get_volume_capabilities(struct MPT3SAS_ADAPTER *ioc,
2417 struct _raid_device *raid_device)
2419 Mpi2RaidVolPage0_t *vol_pg0;
2420 Mpi2RaidPhysDiskPage0_t pd_pg0;
2421 Mpi2SasDevicePage0_t sas_device_pg0;
2422 Mpi2ConfigReply_t mpi_reply;
2426 if ((mpt3sas_config_get_number_pds(ioc, raid_device->handle,
2427 &num_pds)) || !num_pds) {
2429 ioc_warn(ioc, "failure at %s:%d/%s()!\n",
2430 __FILE__, __LINE__, __func__));
2434 raid_device->num_pds = num_pds;
2435 sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds *
2436 sizeof(Mpi2RaidVol0PhysDisk_t));
2437 vol_pg0 = kzalloc(sz, GFP_KERNEL);
2440 ioc_warn(ioc, "failure at %s:%d/%s()!\n",
2441 __FILE__, __LINE__, __func__));
2445 if ((mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0,
2446 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) {
2448 ioc_warn(ioc, "failure at %s:%d/%s()!\n",
2449 __FILE__, __LINE__, __func__));
2454 raid_device->volume_type = vol_pg0->VolumeType;
2456 /* figure out what the underlying devices are by
2457 * obtaining the device_info bits for the 1st device
2459 if (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
2460 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM,
2461 vol_pg0->PhysDisk[0].PhysDiskNum))) {
2462 if (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
2463 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
2464 le16_to_cpu(pd_pg0.DevHandle)))) {
2465 raid_device->device_info =
2466 le32_to_cpu(sas_device_pg0.DeviceInfo);
2475 * _scsih_enable_tlr - setting TLR flags
2476 * @ioc: per adapter object
2477 * @sdev: scsi device struct
2479 * Enabling Transaction Layer Retries for tape devices when
2480 * vpd page 0x90 is present
2484 _scsih_enable_tlr(struct MPT3SAS_ADAPTER *ioc, struct scsi_device *sdev)
2488 if (sdev->type != TYPE_TAPE)
2491 if (!(ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR))
2494 sas_enable_tlr(sdev);
2495 sdev_printk(KERN_INFO, sdev, "TLR %s\n",
2496 sas_is_tlr_enabled(sdev) ? "Enabled" : "Disabled");
2502 * scsih_slave_configure - device configure routine.
2503 * @sdev: scsi device struct
2505 * Return: 0 if ok. Any other return is assumed to be an error and
2506 * the device is ignored.
2509 scsih_slave_configure(struct scsi_device *sdev)
2511 struct Scsi_Host *shost = sdev->host;
2512 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
2513 struct MPT3SAS_DEVICE *sas_device_priv_data;
2514 struct MPT3SAS_TARGET *sas_target_priv_data;
2515 struct _sas_device *sas_device;
2516 struct _pcie_device *pcie_device;
2517 struct _raid_device *raid_device;
2518 unsigned long flags;
2523 u16 handle, volume_handle = 0;
2524 u64 volume_wwid = 0;
2527 sas_device_priv_data = sdev->hostdata;
2528 sas_device_priv_data->configured_lun = 1;
2529 sas_device_priv_data->flags &= ~MPT_DEVICE_FLAGS_INIT;
2530 sas_target_priv_data = sas_device_priv_data->sas_target;
2531 handle = sas_target_priv_data->handle;
2533 /* raid volume handling */
2534 if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME) {
2536 spin_lock_irqsave(&ioc->raid_device_lock, flags);
2537 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
2538 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
2541 ioc_warn(ioc, "failure at %s:%d/%s()!\n",
2542 __FILE__, __LINE__, __func__));
2546 if (_scsih_get_volume_capabilities(ioc, raid_device)) {
2548 ioc_warn(ioc, "failure at %s:%d/%s()!\n",
2549 __FILE__, __LINE__, __func__));
2554 * WARPDRIVE: Initialize the required data for Direct IO
2556 mpt3sas_init_warpdrive_properties(ioc, raid_device);
2558 /* RAID Queue Depth Support
2559 * IS volume = underlying qdepth of drive type, either
2560 * MPT3SAS_SAS_QUEUE_DEPTH or MPT3SAS_SATA_QUEUE_DEPTH
2561 * IM/IME/R10 = 128 (MPT3SAS_RAID_QUEUE_DEPTH)
2563 if (raid_device->device_info &
2564 MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
2565 qdepth = MPT3SAS_SAS_QUEUE_DEPTH;
2568 qdepth = MPT3SAS_SATA_QUEUE_DEPTH;
2569 if (raid_device->device_info &
2570 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
2576 switch (raid_device->volume_type) {
2577 case MPI2_RAID_VOL_TYPE_RAID0:
2580 case MPI2_RAID_VOL_TYPE_RAID1E:
2581 qdepth = MPT3SAS_RAID_QUEUE_DEPTH;
2582 if (ioc->manu_pg10.OEMIdentifier &&
2583 (le32_to_cpu(ioc->manu_pg10.GenericFlags0) &
2584 MFG10_GF0_R10_DISPLAY) &&
2585 !(raid_device->num_pds % 2))
2590 case MPI2_RAID_VOL_TYPE_RAID1:
2591 qdepth = MPT3SAS_RAID_QUEUE_DEPTH;
2594 case MPI2_RAID_VOL_TYPE_RAID10:
2595 qdepth = MPT3SAS_RAID_QUEUE_DEPTH;
2598 case MPI2_RAID_VOL_TYPE_UNKNOWN:
2600 qdepth = MPT3SAS_RAID_QUEUE_DEPTH;
2605 if (!ioc->hide_ir_msg)
2606 sdev_printk(KERN_INFO, sdev,
2607 "%s: handle(0x%04x), wwid(0x%016llx),"
2608 " pd_count(%d), type(%s)\n",
2609 r_level, raid_device->handle,
2610 (unsigned long long)raid_device->wwid,
2611 raid_device->num_pds, ds);
2613 if (shost->max_sectors > MPT3SAS_RAID_MAX_SECTORS) {
2614 blk_queue_max_hw_sectors(sdev->request_queue,
2615 MPT3SAS_RAID_MAX_SECTORS);
2616 sdev_printk(KERN_INFO, sdev,
2617 "Set queue's max_sector to: %u\n",
2618 MPT3SAS_RAID_MAX_SECTORS);
2621 mpt3sas_scsih_change_queue_depth(sdev, qdepth);
2623 /* raid transport support */
2624 if (!ioc->is_warpdrive)
2625 _scsih_set_level(ioc, sdev, raid_device->volume_type);
2629 /* non-raid handling */
2630 if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
2631 if (mpt3sas_config_get_volume_handle(ioc, handle,
2634 ioc_warn(ioc, "failure at %s:%d/%s()!\n",
2635 __FILE__, __LINE__, __func__));
2638 if (volume_handle && mpt3sas_config_get_volume_wwid(ioc,
2639 volume_handle, &volume_wwid)) {
2641 ioc_warn(ioc, "failure at %s:%d/%s()!\n",
2642 __FILE__, __LINE__, __func__));
2648 if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_PCIE_DEVICE) {
2649 spin_lock_irqsave(&ioc->pcie_device_lock, flags);
2650 pcie_device = __mpt3sas_get_pdev_by_wwid(ioc,
2651 sas_device_priv_data->sas_target->sas_address);
2653 spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
2655 ioc_warn(ioc, "failure at %s:%d/%s()!\n",
2656 __FILE__, __LINE__, __func__));
2660 qdepth = ioc->max_nvme_qd;
2662 sdev_printk(KERN_INFO, sdev,
2663 "%s: handle(0x%04x), wwid(0x%016llx), port(%d)\n",
2664 ds, handle, (unsigned long long)pcie_device->wwid,
2665 pcie_device->port_num);
2666 if (pcie_device->enclosure_handle != 0)
2667 sdev_printk(KERN_INFO, sdev,
2668 "%s: enclosure logical id(0x%016llx), slot(%d)\n",
2670 (unsigned long long)pcie_device->enclosure_logical_id,
2672 if (pcie_device->connector_name[0] != '\0')
2673 sdev_printk(KERN_INFO, sdev,
2674 "%s: enclosure level(0x%04x),"
2675 "connector name( %s)\n", ds,
2676 pcie_device->enclosure_level,
2677 pcie_device->connector_name);
2679 if (pcie_device->nvme_mdts)
2680 blk_queue_max_hw_sectors(sdev->request_queue,
2681 pcie_device->nvme_mdts/512);
2683 pcie_device_put(pcie_device);
2684 spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
2685 mpt3sas_scsih_change_queue_depth(sdev, qdepth);
2686 /* Enable QUEUE_FLAG_NOMERGES flag, so that IOs won't be
2687 ** merged and can eliminate holes created during merging
2690 blk_queue_flag_set(QUEUE_FLAG_NOMERGES,
2691 sdev->request_queue);
2692 blk_queue_virt_boundary(sdev->request_queue,
2693 ioc->page_size - 1);
2697 spin_lock_irqsave(&ioc->sas_device_lock, flags);
2698 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
2699 sas_device_priv_data->sas_target->sas_address,
2700 sas_device_priv_data->sas_target->port);
2702 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2704 ioc_warn(ioc, "failure at %s:%d/%s()!\n",
2705 __FILE__, __LINE__, __func__));
2709 sas_device->volume_handle = volume_handle;
2710 sas_device->volume_wwid = volume_wwid;
2711 if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
2712 qdepth = (sas_device->port_type > 1) ?
2713 ioc->max_wideport_qd : ioc->max_narrowport_qd;
2715 if (sas_device->device_info &
2716 MPI2_SAS_DEVICE_INFO_SEP) {
2717 sdev_printk(KERN_WARNING, sdev,
2718 "set ignore_delay_remove for handle(0x%04x)\n",
2719 sas_device_priv_data->sas_target->handle);
2720 sas_device_priv_data->ignore_delay_remove = 1;
2725 qdepth = ioc->max_sata_qd;
2726 if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET)
2728 else if (sas_device->device_info &
2729 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
2733 sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), " \
2734 "sas_addr(0x%016llx), phy(%d), device_name(0x%016llx)\n",
2735 ds, handle, (unsigned long long)sas_device->sas_address,
2736 sas_device->phy, (unsigned long long)sas_device->device_name);
2738 _scsih_display_enclosure_chassis_info(NULL, sas_device, sdev, NULL);
2740 sas_device_put(sas_device);
2741 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2744 _scsih_display_sata_capabilities(ioc, handle, sdev);
2747 mpt3sas_scsih_change_queue_depth(sdev, qdepth);
2750 sas_read_port_mode_page(sdev);
2751 _scsih_enable_tlr(ioc, sdev);
2758 * scsih_bios_param - fetch head, sector, cylinder info for a disk
2759 * @sdev: scsi device struct
2760 * @bdev: pointer to block device context
2761 * @capacity: device size (in 512 byte sectors)
2762 * @params: three element array to place output:
2763 * params[0] number of heads (max 255)
2764 * params[1] number of sectors (max 63)
2765 * params[2] number of cylinders
2768 scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev,
2769 sector_t capacity, int params[])
2779 dummy = heads * sectors;
2780 cylinders = capacity;
2781 sector_div(cylinders, dummy);
2784 * Handle extended translation size for logical drives
2787 if ((ulong)capacity >= 0x200000) {
2790 dummy = heads * sectors;
2791 cylinders = capacity;
2792 sector_div(cylinders, dummy);
2797 params[1] = sectors;
2798 params[2] = cylinders;
2804 * _scsih_response_code - translation of device response code
2805 * @ioc: per adapter object
2806 * @response_code: response code returned by the device
2809 _scsih_response_code(struct MPT3SAS_ADAPTER *ioc, u8 response_code)
2813 switch (response_code) {
2814 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE:
2815 desc = "task management request completed";
2817 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME:
2818 desc = "invalid frame";
2820 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2821 desc = "task management request not supported";
2823 case MPI2_SCSITASKMGMT_RSP_TM_FAILED:
2824 desc = "task management request failed";
2826 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2827 desc = "task management request succeeded";
2829 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2830 desc = "invalid lun";
2833 desc = "overlapped tag attempted";
2835 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2836 desc = "task queued, however not sent to target";
2842 ioc_warn(ioc, "response_code(0x%01x): %s\n", response_code, desc);
2846 * _scsih_tm_done - tm completion routine
2847 * @ioc: per adapter object
2848 * @smid: system request message index
2849 * @msix_index: MSIX table index supplied by the OS
2850 * @reply: reply message frame(lower 32bit addr)
2853 * The callback handler when using scsih_issue_tm.
2855 * Return: 1 meaning mf should be freed from _base_interrupt
2856 * 0 means the mf is freed from this function.
2859 _scsih_tm_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
2861 MPI2DefaultReply_t *mpi_reply;
2863 if (ioc->tm_cmds.status == MPT3_CMD_NOT_USED)
2865 if (ioc->tm_cmds.smid != smid)
2867 ioc->tm_cmds.status |= MPT3_CMD_COMPLETE;
2868 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
2870 memcpy(ioc->tm_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
2871 ioc->tm_cmds.status |= MPT3_CMD_REPLY_VALID;
2873 ioc->tm_cmds.status &= ~MPT3_CMD_PENDING;
2874 complete(&ioc->tm_cmds.done);
2879 * mpt3sas_scsih_set_tm_flag - set per target tm_busy
2880 * @ioc: per adapter object
2881 * @handle: device handle
2883 * During taskmangement request, we need to freeze the device queue.
2886 mpt3sas_scsih_set_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle)
2888 struct MPT3SAS_DEVICE *sas_device_priv_data;
2889 struct scsi_device *sdev;
2892 shost_for_each_device(sdev, ioc->shost) {
2895 sas_device_priv_data = sdev->hostdata;
2896 if (!sas_device_priv_data)
2898 if (sas_device_priv_data->sas_target->handle == handle) {
2899 sas_device_priv_data->sas_target->tm_busy = 1;
2901 ioc->ignore_loginfos = 1;
2907 * mpt3sas_scsih_clear_tm_flag - clear per target tm_busy
2908 * @ioc: per adapter object
2909 * @handle: device handle
2911 * During taskmangement request, we need to freeze the device queue.
2914 mpt3sas_scsih_clear_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle)
2916 struct MPT3SAS_DEVICE *sas_device_priv_data;
2917 struct scsi_device *sdev;
2920 shost_for_each_device(sdev, ioc->shost) {
2923 sas_device_priv_data = sdev->hostdata;
2924 if (!sas_device_priv_data)
2926 if (sas_device_priv_data->sas_target->handle == handle) {
2927 sas_device_priv_data->sas_target->tm_busy = 0;
2929 ioc->ignore_loginfos = 0;
2935 * scsih_tm_cmd_map_status - map the target reset & LUN reset TM status
2936 * @ioc: per adapter object
2937 * @channel: the channel assigned by the OS
2938 * @id: the id assigned by the OS
2940 * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h)
2941 * @smid_task: smid assigned to the task
2943 * Look whether TM has aborted the timed out SCSI command, if
2944 * TM has aborted the IO then return SUCCESS else return FAILED.
2947 scsih_tm_cmd_map_status(struct MPT3SAS_ADAPTER *ioc, uint channel,
2948 uint id, uint lun, u8 type, u16 smid_task)
2951 if (smid_task <= ioc->shost->can_queue) {
2953 case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET:
2954 if (!(_scsih_scsi_lookup_find_by_target(ioc,
2958 case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET:
2959 case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET:
2960 if (!(_scsih_scsi_lookup_find_by_lun(ioc, id,
2967 } else if (smid_task == ioc->scsih_cmds.smid) {
2968 if ((ioc->scsih_cmds.status & MPT3_CMD_COMPLETE) ||
2969 (ioc->scsih_cmds.status & MPT3_CMD_NOT_USED))
2971 } else if (smid_task == ioc->ctl_cmds.smid) {
2972 if ((ioc->ctl_cmds.status & MPT3_CMD_COMPLETE) ||
2973 (ioc->ctl_cmds.status & MPT3_CMD_NOT_USED))
2981 * scsih_tm_post_processing - post processing of target & LUN reset
2982 * @ioc: per adapter object
2983 * @handle: device handle
2984 * @channel: the channel assigned by the OS
2985 * @id: the id assigned by the OS
2987 * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h)
2988 * @smid_task: smid assigned to the task
2990 * Post processing of target & LUN reset. Due to interrupt latency
2991 * issue it possible that interrupt for aborted IO might not be
2992 * received yet. So before returning failure status, poll the
2993 * reply descriptor pools for the reply of timed out SCSI command.
2994 * Return FAILED status if reply for timed out is not received
2995 * otherwise return SUCCESS.
2998 scsih_tm_post_processing(struct MPT3SAS_ADAPTER *ioc, u16 handle,
2999 uint channel, uint id, uint lun, u8 type, u16 smid_task)
3003 rc = scsih_tm_cmd_map_status(ioc, channel, id, lun, type, smid_task);
3008 "Poll ReplyDescriptor queues for completion of"
3009 " smid(%d), task_type(0x%02x), handle(0x%04x)\n",
3010 smid_task, type, handle);
3013 * Due to interrupt latency issues, driver may receive interrupt for
3014 * TM first and then for aborted SCSI IO command. So, poll all the
3015 * ReplyDescriptor pools before returning the FAILED status to SML.
3017 mpt3sas_base_mask_interrupts(ioc);
3018 mpt3sas_base_sync_reply_irqs(ioc, 1);
3019 mpt3sas_base_unmask_interrupts(ioc);
3021 return scsih_tm_cmd_map_status(ioc, channel, id, lun, type, smid_task);
3025 * mpt3sas_scsih_issue_tm - main routine for sending tm requests
3026 * @ioc: per adapter struct
3027 * @handle: device handle
3028 * @channel: the channel assigned by the OS
3029 * @id: the id assigned by the OS
3031 * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h)
3032 * @smid_task: smid assigned to the task
3033 * @msix_task: MSIX table index supplied by the OS
3034 * @timeout: timeout in seconds
3035 * @tr_method: Target Reset Method
3038 * A generic API for sending task management requests to firmware.
3040 * The callback index is set inside `ioc->tm_cb_idx`.
3041 * The caller is responsible to check for outstanding commands.
3043 * Return: SUCCESS or FAILED.
3046 mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle, uint channel,
3047 uint id, u64 lun, u8 type, u16 smid_task, u16 msix_task,
3048 u8 timeout, u8 tr_method)
3050 Mpi2SCSITaskManagementRequest_t *mpi_request;
3051 Mpi2SCSITaskManagementReply_t *mpi_reply;
3052 Mpi25SCSIIORequest_t *request;
3058 lockdep_assert_held(&ioc->tm_cmds.mutex);
3060 if (ioc->tm_cmds.status != MPT3_CMD_NOT_USED) {
3061 ioc_info(ioc, "%s: tm_cmd busy!!!\n", __func__);
3065 if (ioc->shost_recovery || ioc->remove_host ||
3066 ioc->pci_error_recovery) {
3067 ioc_info(ioc, "%s: host reset in progress!\n", __func__);
3071 ioc_state = mpt3sas_base_get_iocstate(ioc, 0);
3072 if (ioc_state & MPI2_DOORBELL_USED) {
3073 dhsprintk(ioc, ioc_info(ioc, "unexpected doorbell active!\n"));
3074 rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
3075 return (!rc) ? SUCCESS : FAILED;
3078 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
3079 mpt3sas_print_fault_code(ioc, ioc_state &
3080 MPI2_DOORBELL_DATA_MASK);
3081 rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
3082 return (!rc) ? SUCCESS : FAILED;
3083 } else if ((ioc_state & MPI2_IOC_STATE_MASK) ==
3084 MPI2_IOC_STATE_COREDUMP) {
3085 mpt3sas_print_coredump_info(ioc, ioc_state &
3086 MPI2_DOORBELL_DATA_MASK);
3087 rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
3088 return (!rc) ? SUCCESS : FAILED;
3091 smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx);
3093 ioc_err(ioc, "%s: failed obtaining a smid\n", __func__);
3098 ioc_info(ioc, "sending tm: handle(0x%04x), task_type(0x%02x), smid(%d), timeout(%d), tr_method(0x%x)\n",
3099 handle, type, smid_task, timeout, tr_method));
3100 ioc->tm_cmds.status = MPT3_CMD_PENDING;
3101 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
3102 ioc->tm_cmds.smid = smid;
3103 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
3104 memset(ioc->tm_cmds.reply, 0, sizeof(Mpi2SCSITaskManagementReply_t));
3105 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
3106 mpi_request->DevHandle = cpu_to_le16(handle);
3107 mpi_request->TaskType = type;
3108 if (type == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK ||
3109 type == MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK)
3110 mpi_request->MsgFlags = tr_method;
3111 mpi_request->TaskMID = cpu_to_le16(smid_task);
3112 int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN);
3113 mpt3sas_scsih_set_tm_flag(ioc, handle);
3114 init_completion(&ioc->tm_cmds.done);
3115 ioc->put_smid_hi_priority(ioc, smid, msix_task);
3116 wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ);
3117 if (!(ioc->tm_cmds.status & MPT3_CMD_COMPLETE)) {
3118 mpt3sas_check_cmd_timeout(ioc,
3119 ioc->tm_cmds.status, mpi_request,
3120 sizeof(Mpi2SCSITaskManagementRequest_t)/4, issue_reset);
3122 rc = mpt3sas_base_hard_reset_handler(ioc,
3124 rc = (!rc) ? SUCCESS : FAILED;
3129 /* sync IRQs in case those were busy during flush. */
3130 mpt3sas_base_sync_reply_irqs(ioc, 0);
3132 if (ioc->tm_cmds.status & MPT3_CMD_REPLY_VALID) {
3133 mpt3sas_trigger_master(ioc, MASTER_TRIGGER_TASK_MANAGMENT);
3134 mpi_reply = ioc->tm_cmds.reply;
3136 ioc_info(ioc, "complete tm: ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n",
3137 le16_to_cpu(mpi_reply->IOCStatus),
3138 le32_to_cpu(mpi_reply->IOCLogInfo),
3139 le32_to_cpu(mpi_reply->TerminationCount)));
3140 if (ioc->logging_level & MPT_DEBUG_TM) {
3141 _scsih_response_code(ioc, mpi_reply->ResponseCode);
3142 if (mpi_reply->IOCStatus)
3143 _debug_dump_mf(mpi_request,
3144 sizeof(Mpi2SCSITaskManagementRequest_t)/4);
3149 case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK:
3152 * If DevHandle filed in smid_task's entry of request pool
3153 * doesn't match with device handle on which this task abort
3154 * TM is received then it means that TM has successfully
3155 * aborted the timed out command. Since smid_task's entry in
3156 * request pool will be memset to zero once the timed out
3157 * command is returned to the SML. If the command is not
3158 * aborted then smid_task’s entry won’t be cleared and it
3159 * will have same DevHandle value on which this task abort TM
3160 * is received and driver will return the TM status as FAILED.
3162 request = mpt3sas_base_get_msg_frame(ioc, smid_task);
3163 if (le16_to_cpu(request->DevHandle) != handle)
3166 ioc_info(ioc, "Task abort tm failed: handle(0x%04x),"
3167 "timeout(%d) tr_method(0x%x) smid(%d) msix_index(%d)\n",
3168 handle, timeout, tr_method, smid_task, msix_task);
3172 case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET:
3173 case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET:
3174 case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET:
3175 rc = scsih_tm_post_processing(ioc, handle, channel, id, lun,
3178 case MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK:
3187 mpt3sas_scsih_clear_tm_flag(ioc, handle);
3188 ioc->tm_cmds.status = MPT3_CMD_NOT_USED;
3192 int mpt3sas_scsih_issue_locked_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle,
3193 uint channel, uint id, u64 lun, u8 type, u16 smid_task,
3194 u16 msix_task, u8 timeout, u8 tr_method)
3198 mutex_lock(&ioc->tm_cmds.mutex);
3199 ret = mpt3sas_scsih_issue_tm(ioc, handle, channel, id, lun, type,
3200 smid_task, msix_task, timeout, tr_method);
3201 mutex_unlock(&ioc->tm_cmds.mutex);
3207 * _scsih_tm_display_info - displays info about the device
3208 * @ioc: per adapter struct
3209 * @scmd: pointer to scsi command object
3211 * Called by task management callback handlers.
3214 _scsih_tm_display_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd)
3216 struct scsi_target *starget = scmd->device->sdev_target;
3217 struct MPT3SAS_TARGET *priv_target = starget->hostdata;
3218 struct _sas_device *sas_device = NULL;
3219 struct _pcie_device *pcie_device = NULL;
3220 unsigned long flags;
3221 char *device_str = NULL;
3225 if (ioc->hide_ir_msg)
3226 device_str = "WarpDrive";
3228 device_str = "volume";
3230 scsi_print_command(scmd);
3231 if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) {
3232 starget_printk(KERN_INFO, starget,
3233 "%s handle(0x%04x), %s wwid(0x%016llx)\n",
3234 device_str, priv_target->handle,
3235 device_str, (unsigned long long)priv_target->sas_address);
3237 } else if (priv_target->flags & MPT_TARGET_FLAGS_PCIE_DEVICE) {
3238 spin_lock_irqsave(&ioc->pcie_device_lock, flags);
3239 pcie_device = __mpt3sas_get_pdev_from_target(ioc, priv_target);
3241 starget_printk(KERN_INFO, starget,
3242 "handle(0x%04x), wwid(0x%016llx), port(%d)\n",
3243 pcie_device->handle,
3244 (unsigned long long)pcie_device->wwid,
3245 pcie_device->port_num);
3246 if (pcie_device->enclosure_handle != 0)
3247 starget_printk(KERN_INFO, starget,
3248 "enclosure logical id(0x%016llx), slot(%d)\n",
3249 (unsigned long long)
3250 pcie_device->enclosure_logical_id,
3252 if (pcie_device->connector_name[0] != '\0')
3253 starget_printk(KERN_INFO, starget,
3254 "enclosure level(0x%04x), connector name( %s)\n",
3255 pcie_device->enclosure_level,
3256 pcie_device->connector_name);
3257 pcie_device_put(pcie_device);
3259 spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
3262 spin_lock_irqsave(&ioc->sas_device_lock, flags);
3263 sas_device = __mpt3sas_get_sdev_from_target(ioc, priv_target);
3265 if (priv_target->flags &
3266 MPT_TARGET_FLAGS_RAID_COMPONENT) {
3267 starget_printk(KERN_INFO, starget,
3268 "volume handle(0x%04x), "
3269 "volume wwid(0x%016llx)\n",
3270 sas_device->volume_handle,
3271 (unsigned long long)sas_device->volume_wwid);
3273 starget_printk(KERN_INFO, starget,
3274 "handle(0x%04x), sas_address(0x%016llx), phy(%d)\n",
3276 (unsigned long long)sas_device->sas_address,
3279 _scsih_display_enclosure_chassis_info(NULL, sas_device,
3282 sas_device_put(sas_device);
3284 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
3289 * scsih_abort - eh threads main abort routine
3290 * @scmd: pointer to scsi command object
3292 * Return: SUCCESS if command aborted else FAILED
3295 scsih_abort(struct scsi_cmnd *scmd)
3297 struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
3298 struct MPT3SAS_DEVICE *sas_device_priv_data;
3299 struct scsiio_tracker *st = scsi_cmd_priv(scmd);
3304 struct _pcie_device *pcie_device = NULL;
3305 sdev_printk(KERN_INFO, scmd->device, "attempting task abort!"
3306 "scmd(0x%p), outstanding for %u ms & timeout %u ms\n",
3307 scmd, jiffies_to_msecs(jiffies - scmd->jiffies_at_alloc),
3308 (scsi_cmd_to_rq(scmd)->timeout / HZ) * 1000);
3309 _scsih_tm_display_info(ioc, scmd);
3311 sas_device_priv_data = scmd->device->hostdata;
3312 if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
3314 sdev_printk(KERN_INFO, scmd->device,
3315 "device been deleted! scmd(0x%p)\n", scmd);
3316 scmd->result = DID_NO_CONNECT << 16;
3317 scmd->scsi_done(scmd);
3322 /* check for completed command */
3323 if (st == NULL || st->cb_idx == 0xFF) {
3324 sdev_printk(KERN_INFO, scmd->device, "No reference found at "
3325 "driver, assuming scmd(0x%p) might have completed\n", scmd);
3326 scmd->result = DID_RESET << 16;
3331 /* for hidden raid components and volumes this is not supported */
3332 if (sas_device_priv_data->sas_target->flags &
3333 MPT_TARGET_FLAGS_RAID_COMPONENT ||
3334 sas_device_priv_data->sas_target->flags & MPT_TARGET_FLAGS_VOLUME) {
3335 scmd->result = DID_RESET << 16;
3340 mpt3sas_halt_firmware(ioc);
3342 handle = sas_device_priv_data->sas_target->handle;
3343 pcie_device = mpt3sas_get_pdev_by_handle(ioc, handle);
3344 if (pcie_device && (!ioc->tm_custom_handling) &&
3345 (!(mpt3sas_scsih_is_pcie_scsi_device(pcie_device->device_info))))
3346 timeout = ioc->nvme_abort_timeout;
3347 r = mpt3sas_scsih_issue_locked_tm(ioc, handle, scmd->device->channel,
3348 scmd->device->id, scmd->device->lun,
3349 MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
3350 st->smid, st->msix_io, timeout, 0);
3351 /* Command must be cleared after abort */
3352 if (r == SUCCESS && st->cb_idx != 0xFF)
3355 sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(0x%p)\n",
3356 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
3358 pcie_device_put(pcie_device);
3363 * scsih_dev_reset - eh threads main device reset routine
3364 * @scmd: pointer to scsi command object
3366 * Return: SUCCESS if command aborted else FAILED
3369 scsih_dev_reset(struct scsi_cmnd *scmd)
3371 struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
3372 struct MPT3SAS_DEVICE *sas_device_priv_data;
3373 struct _sas_device *sas_device = NULL;
3374 struct _pcie_device *pcie_device = NULL;
3380 struct scsi_target *starget = scmd->device->sdev_target;
3381 struct MPT3SAS_TARGET *target_priv_data = starget->hostdata;
3383 sdev_printk(KERN_INFO, scmd->device,
3384 "attempting device reset! scmd(0x%p)\n", scmd);
3385 _scsih_tm_display_info(ioc, scmd);
3387 sas_device_priv_data = scmd->device->hostdata;
3388 if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
3390 sdev_printk(KERN_INFO, scmd->device,
3391 "device been deleted! scmd(0x%p)\n", scmd);
3392 scmd->result = DID_NO_CONNECT << 16;
3393 scmd->scsi_done(scmd);
3398 /* for hidden raid components obtain the volume_handle */
3400 if (sas_device_priv_data->sas_target->flags &
3401 MPT_TARGET_FLAGS_RAID_COMPONENT) {
3402 sas_device = mpt3sas_get_sdev_from_target(ioc,
3405 handle = sas_device->volume_handle;
3407 handle = sas_device_priv_data->sas_target->handle;
3410 scmd->result = DID_RESET << 16;
3415 pcie_device = mpt3sas_get_pdev_by_handle(ioc, handle);
3417 if (pcie_device && (!ioc->tm_custom_handling) &&
3418 (!(mpt3sas_scsih_is_pcie_scsi_device(pcie_device->device_info)))) {
3419 tr_timeout = pcie_device->reset_timeout;
3420 tr_method = MPI26_SCSITASKMGMT_MSGFLAGS_PROTOCOL_LVL_RST_PCIE;
3422 tr_method = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET;
3424 r = mpt3sas_scsih_issue_locked_tm(ioc, handle, scmd->device->channel,
3425 scmd->device->id, scmd->device->lun,
3426 MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 0, 0,
3427 tr_timeout, tr_method);
3428 /* Check for busy commands after reset */
3429 if (r == SUCCESS && scsi_device_busy(scmd->device))
3432 sdev_printk(KERN_INFO, scmd->device, "device reset: %s scmd(0x%p)\n",
3433 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
3436 sas_device_put(sas_device);
3438 pcie_device_put(pcie_device);
3444 * scsih_target_reset - eh threads main target reset routine
3445 * @scmd: pointer to scsi command object
3447 * Return: SUCCESS if command aborted else FAILED
3450 scsih_target_reset(struct scsi_cmnd *scmd)
3452 struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
3453 struct MPT3SAS_DEVICE *sas_device_priv_data;
3454 struct _sas_device *sas_device = NULL;
3455 struct _pcie_device *pcie_device = NULL;
3460 struct scsi_target *starget = scmd->device->sdev_target;
3461 struct MPT3SAS_TARGET *target_priv_data = starget->hostdata;
3463 starget_printk(KERN_INFO, starget,
3464 "attempting target reset! scmd(0x%p)\n", scmd);
3465 _scsih_tm_display_info(ioc, scmd);
3467 sas_device_priv_data = scmd->device->hostdata;
3468 if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
3470 starget_printk(KERN_INFO, starget,
3471 "target been deleted! scmd(0x%p)\n", scmd);
3472 scmd->result = DID_NO_CONNECT << 16;
3473 scmd->scsi_done(scmd);
3478 /* for hidden raid components obtain the volume_handle */
3480 if (sas_device_priv_data->sas_target->flags &
3481 MPT_TARGET_FLAGS_RAID_COMPONENT) {
3482 sas_device = mpt3sas_get_sdev_from_target(ioc,
3485 handle = sas_device->volume_handle;
3487 handle = sas_device_priv_data->sas_target->handle;
3490 scmd->result = DID_RESET << 16;
3495 pcie_device = mpt3sas_get_pdev_by_handle(ioc, handle);
3497 if (pcie_device && (!ioc->tm_custom_handling) &&
3498 (!(mpt3sas_scsih_is_pcie_scsi_device(pcie_device->device_info)))) {
3499 tr_timeout = pcie_device->reset_timeout;
3500 tr_method = MPI26_SCSITASKMGMT_MSGFLAGS_PROTOCOL_LVL_RST_PCIE;
3502 tr_method = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET;
3503 r = mpt3sas_scsih_issue_locked_tm(ioc, handle, scmd->device->channel,
3504 scmd->device->id, 0,
3505 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 0,
3506 tr_timeout, tr_method);
3507 /* Check for busy commands after reset */
3508 if (r == SUCCESS && atomic_read(&starget->target_busy))
3511 starget_printk(KERN_INFO, starget, "target reset: %s scmd(0x%p)\n",
3512 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
3515 sas_device_put(sas_device);
3517 pcie_device_put(pcie_device);
3523 * scsih_host_reset - eh threads main host reset routine
3524 * @scmd: pointer to scsi command object
3526 * Return: SUCCESS if command aborted else FAILED
3529 scsih_host_reset(struct scsi_cmnd *scmd)
3531 struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
3534 ioc_info(ioc, "attempting host reset! scmd(0x%p)\n", scmd);
3535 scsi_print_command(scmd);
3537 if (ioc->is_driver_loading || ioc->remove_host) {
3538 ioc_info(ioc, "Blocking the host reset\n");
3543 retval = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
3544 r = (retval < 0) ? FAILED : SUCCESS;
3546 ioc_info(ioc, "host reset: %s scmd(0x%p)\n",
3547 r == SUCCESS ? "SUCCESS" : "FAILED", scmd);
3553 * _scsih_fw_event_add - insert and queue up fw_event
3554 * @ioc: per adapter object
3555 * @fw_event: object describing the event
3556 * Context: This function will acquire ioc->fw_event_lock.
3558 * This adds the firmware event object into link list, then queues it up to
3559 * be processed from user context.
3562 _scsih_fw_event_add(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
3564 unsigned long flags;
3566 if (ioc->firmware_event_thread == NULL)
3569 spin_lock_irqsave(&ioc->fw_event_lock, flags);
3570 fw_event_work_get(fw_event);
3571 INIT_LIST_HEAD(&fw_event->list);
3572 list_add_tail(&fw_event->list, &ioc->fw_event_list);
3573 INIT_WORK(&fw_event->work, _firmware_event_work);
3574 fw_event_work_get(fw_event);
3575 queue_work(ioc->firmware_event_thread, &fw_event->work);
3576 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
3580 * _scsih_fw_event_del_from_list - delete fw_event from the list
3581 * @ioc: per adapter object
3582 * @fw_event: object describing the event
3583 * Context: This function will acquire ioc->fw_event_lock.
3585 * If the fw_event is on the fw_event_list, remove it and do a put.
3588 _scsih_fw_event_del_from_list(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work
3591 unsigned long flags;
3593 spin_lock_irqsave(&ioc->fw_event_lock, flags);
3594 if (!list_empty(&fw_event->list)) {
3595 list_del_init(&fw_event->list);
3596 fw_event_work_put(fw_event);
3598 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
3603 * mpt3sas_send_trigger_data_event - send event for processing trigger data
3604 * @ioc: per adapter object
3605 * @event_data: trigger event data
3608 mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER *ioc,
3609 struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data)
3611 struct fw_event_work *fw_event;
3614 if (ioc->is_driver_loading)
3616 sz = sizeof(*event_data);
3617 fw_event = alloc_fw_event_work(sz);
3620 fw_event->event = MPT3SAS_PROCESS_TRIGGER_DIAG;
3621 fw_event->ioc = ioc;
3622 memcpy(fw_event->event_data, event_data, sizeof(*event_data));
3623 _scsih_fw_event_add(ioc, fw_event);
3624 fw_event_work_put(fw_event);
3628 * _scsih_error_recovery_delete_devices - remove devices not responding
3629 * @ioc: per adapter object
3632 _scsih_error_recovery_delete_devices(struct MPT3SAS_ADAPTER *ioc)
3634 struct fw_event_work *fw_event;
3636 fw_event = alloc_fw_event_work(0);
3639 fw_event->event = MPT3SAS_REMOVE_UNRESPONDING_DEVICES;
3640 fw_event->ioc = ioc;
3641 _scsih_fw_event_add(ioc, fw_event);
3642 fw_event_work_put(fw_event);
3646 * mpt3sas_port_enable_complete - port enable completed (fake event)
3647 * @ioc: per adapter object
3650 mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc)
3652 struct fw_event_work *fw_event;
3654 fw_event = alloc_fw_event_work(0);
3657 fw_event->event = MPT3SAS_PORT_ENABLE_COMPLETE;
3658 fw_event->ioc = ioc;
3659 _scsih_fw_event_add(ioc, fw_event);
3660 fw_event_work_put(fw_event);
3663 static struct fw_event_work *dequeue_next_fw_event(struct MPT3SAS_ADAPTER *ioc)
3665 unsigned long flags;
3666 struct fw_event_work *fw_event = NULL;
3668 spin_lock_irqsave(&ioc->fw_event_lock, flags);
3669 if (!list_empty(&ioc->fw_event_list)) {
3670 fw_event = list_first_entry(&ioc->fw_event_list,
3671 struct fw_event_work, list);
3672 list_del_init(&fw_event->list);
3674 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
3680 * _scsih_fw_event_cleanup_queue - cleanup event queue
3681 * @ioc: per adapter object
3683 * Walk the firmware event queue, either killing timers, or waiting
3684 * for outstanding events to complete
3686 * Context: task, can sleep
3689 _scsih_fw_event_cleanup_queue(struct MPT3SAS_ADAPTER *ioc)
3691 struct fw_event_work *fw_event;
3693 if ((list_empty(&ioc->fw_event_list) && !ioc->current_event) ||
3694 !ioc->firmware_event_thread)
3697 * Set current running event as ignore, so that
3698 * current running event will exit quickly.
3699 * As diag reset has occurred it is of no use
3700 * to process remaining stale event data entries.
3702 if (ioc->shost_recovery && ioc->current_event)
3703 ioc->current_event->ignore = 1;
3705 ioc->fw_events_cleanup = 1;
3706 while ((fw_event = dequeue_next_fw_event(ioc)) ||
3707 (fw_event = ioc->current_event)) {
3710 * Don't call cancel_work_sync() for current_event
3711 * other than MPT3SAS_REMOVE_UNRESPONDING_DEVICES;
3712 * otherwise we may observe deadlock if current
3713 * hard reset issued as part of processing the current_event.
3715 * Orginal logic of cleaning the current_event is added
3716 * for handling the back to back host reset issued by the user.
3717 * i.e. during back to back host reset, driver use to process
3718 * the two instances of MPT3SAS_REMOVE_UNRESPONDING_DEVICES
3719 * event back to back and this made the drives to unregister
3720 * the devices from SML.
3723 if (fw_event == ioc->current_event &&
3724 ioc->current_event->event !=
3725 MPT3SAS_REMOVE_UNRESPONDING_DEVICES) {
3726 ioc->current_event = NULL;
3731 * Driver has to clear ioc->start_scan flag when
3732 * it is cleaning up MPT3SAS_PORT_ENABLE_COMPLETE,
3733 * otherwise scsi_scan_host() API waits for the
3734 * 5 minute timer to expire. If we exit from
3735 * scsi_scan_host() early then we can issue the
3736 * new port enable request as part of current diag reset.
3738 if (fw_event->event == MPT3SAS_PORT_ENABLE_COMPLETE) {
3739 ioc->port_enable_cmds.status |= MPT3_CMD_RESET;
3740 ioc->start_scan = 0;
3744 * Wait on the fw_event to complete. If this returns 1, then
3745 * the event was never executed, and we need a put for the
3746 * reference the work had on the fw_event.
3748 * If it did execute, we wait for it to finish, and the put will
3749 * happen from _firmware_event_work()
3751 if (cancel_work_sync(&fw_event->work))
3752 fw_event_work_put(fw_event);
3754 fw_event_work_put(fw_event);
3756 ioc->fw_events_cleanup = 0;
3760 * _scsih_internal_device_block - block the sdev device
3761 * @sdev: per device object
3762 * @sas_device_priv_data : per device driver private data
3764 * make sure device is blocked without error, if not
3768 _scsih_internal_device_block(struct scsi_device *sdev,
3769 struct MPT3SAS_DEVICE *sas_device_priv_data)
3773 sdev_printk(KERN_INFO, sdev, "device_block, handle(0x%04x)\n",
3774 sas_device_priv_data->sas_target->handle);
3775 sas_device_priv_data->block = 1;
3777 r = scsi_internal_device_block_nowait(sdev);
3779 sdev_printk(KERN_WARNING, sdev,
3780 "device_block failed with return(%d) for handle(0x%04x)\n",
3781 r, sas_device_priv_data->sas_target->handle);
3785 * _scsih_internal_device_unblock - unblock the sdev device
3786 * @sdev: per device object
3787 * @sas_device_priv_data : per device driver private data
3788 * make sure device is unblocked without error, if not retry
3789 * by blocking and then unblocking
3793 _scsih_internal_device_unblock(struct scsi_device *sdev,
3794 struct MPT3SAS_DEVICE *sas_device_priv_data)
3798 sdev_printk(KERN_WARNING, sdev, "device_unblock and setting to running, "
3799 "handle(0x%04x)\n", sas_device_priv_data->sas_target->handle);
3800 sas_device_priv_data->block = 0;
3801 r = scsi_internal_device_unblock_nowait(sdev, SDEV_RUNNING);
3803 /* The device has been set to SDEV_RUNNING by SD layer during
3804 * device addition but the request queue is still stopped by
3805 * our earlier block call. We need to perform a block again
3806 * to get the device to SDEV_BLOCK and then to SDEV_RUNNING */
3808 sdev_printk(KERN_WARNING, sdev,
3809 "device_unblock failed with return(%d) for handle(0x%04x) "
3810 "performing a block followed by an unblock\n",
3811 r, sas_device_priv_data->sas_target->handle);
3812 sas_device_priv_data->block = 1;
3813 r = scsi_internal_device_block_nowait(sdev);
3815 sdev_printk(KERN_WARNING, sdev, "retried device_block "
3816 "failed with return(%d) for handle(0x%04x)\n",
3817 r, sas_device_priv_data->sas_target->handle);
3819 sas_device_priv_data->block = 0;
3820 r = scsi_internal_device_unblock_nowait(sdev, SDEV_RUNNING);
3822 sdev_printk(KERN_WARNING, sdev, "retried device_unblock"
3823 " failed with return(%d) for handle(0x%04x)\n",
3824 r, sas_device_priv_data->sas_target->handle);
3829 * _scsih_ublock_io_all_device - unblock every device
3830 * @ioc: per adapter object
3832 * change the device state from block to running
3835 _scsih_ublock_io_all_device(struct MPT3SAS_ADAPTER *ioc)
3837 struct MPT3SAS_DEVICE *sas_device_priv_data;
3838 struct scsi_device *sdev;
3840 shost_for_each_device(sdev, ioc->shost) {
3841 sas_device_priv_data = sdev->hostdata;
3842 if (!sas_device_priv_data)
3844 if (!sas_device_priv_data->block)
3847 dewtprintk(ioc, sdev_printk(KERN_INFO, sdev,
3848 "device_running, handle(0x%04x)\n",
3849 sas_device_priv_data->sas_target->handle));
3850 _scsih_internal_device_unblock(sdev, sas_device_priv_data);
3856 * _scsih_ublock_io_device - prepare device to be deleted
3857 * @ioc: per adapter object
3858 * @sas_address: sas address
3859 * @port: hba port entry
3861 * unblock then put device in offline state
3864 _scsih_ublock_io_device(struct MPT3SAS_ADAPTER *ioc,
3865 u64 sas_address, struct hba_port *port)
3867 struct MPT3SAS_DEVICE *sas_device_priv_data;
3868 struct scsi_device *sdev;
3870 shost_for_each_device(sdev, ioc->shost) {
3871 sas_device_priv_data = sdev->hostdata;
3872 if (!sas_device_priv_data)
3874 if (sas_device_priv_data->sas_target->sas_address
3877 if (sas_device_priv_data->sas_target->port != port)
3879 if (sas_device_priv_data->block)
3880 _scsih_internal_device_unblock(sdev,
3881 sas_device_priv_data);
3886 * _scsih_block_io_all_device - set the device state to SDEV_BLOCK
3887 * @ioc: per adapter object
3889 * During device pull we need to appropriately set the sdev state.
3892 _scsih_block_io_all_device(struct MPT3SAS_ADAPTER *ioc)
3894 struct MPT3SAS_DEVICE *sas_device_priv_data;
3895 struct scsi_device *sdev;
3897 shost_for_each_device(sdev, ioc->shost) {
3898 sas_device_priv_data = sdev->hostdata;
3899 if (!sas_device_priv_data)
3901 if (sas_device_priv_data->block)
3903 if (sas_device_priv_data->ignore_delay_remove) {
3904 sdev_printk(KERN_INFO, sdev,
3905 "%s skip device_block for SES handle(0x%04x)\n",
3906 __func__, sas_device_priv_data->sas_target->handle);
3909 _scsih_internal_device_block(sdev, sas_device_priv_data);
3914 * _scsih_block_io_device - set the device state to SDEV_BLOCK
3915 * @ioc: per adapter object
3916 * @handle: device handle
3918 * During device pull we need to appropriately set the sdev state.
3921 _scsih_block_io_device(struct MPT3SAS_ADAPTER *ioc, u16 handle)
3923 struct MPT3SAS_DEVICE *sas_device_priv_data;
3924 struct scsi_device *sdev;
3925 struct _sas_device *sas_device;
3927 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
3929 shost_for_each_device(sdev, ioc->shost) {
3930 sas_device_priv_data = sdev->hostdata;
3931 if (!sas_device_priv_data)
3933 if (sas_device_priv_data->sas_target->handle != handle)
3935 if (sas_device_priv_data->block)
3937 if (sas_device && sas_device->pend_sas_rphy_add)
3939 if (sas_device_priv_data->ignore_delay_remove) {
3940 sdev_printk(KERN_INFO, sdev,
3941 "%s skip device_block for SES handle(0x%04x)\n",
3942 __func__, sas_device_priv_data->sas_target->handle);
3945 _scsih_internal_device_block(sdev, sas_device_priv_data);
3949 sas_device_put(sas_device);
3953 * _scsih_block_io_to_children_attached_to_ex
3954 * @ioc: per adapter object
3955 * @sas_expander: the sas_device object
3957 * This routine set sdev state to SDEV_BLOCK for all devices
3958 * attached to this expander. This function called when expander is
3962 _scsih_block_io_to_children_attached_to_ex(struct MPT3SAS_ADAPTER *ioc,
3963 struct _sas_node *sas_expander)
3965 struct _sas_port *mpt3sas_port;
3966 struct _sas_device *sas_device;
3967 struct _sas_node *expander_sibling;
3968 unsigned long flags;
3973 list_for_each_entry(mpt3sas_port,
3974 &sas_expander->sas_port_list, port_list) {
3975 if (mpt3sas_port->remote_identify.device_type ==
3977 spin_lock_irqsave(&ioc->sas_device_lock, flags);
3978 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
3979 mpt3sas_port->remote_identify.sas_address,
3980 mpt3sas_port->hba_port);
3982 set_bit(sas_device->handle,
3983 ioc->blocking_handles);
3984 sas_device_put(sas_device);
3986 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
3990 list_for_each_entry(mpt3sas_port,
3991 &sas_expander->sas_port_list, port_list) {
3993 if (mpt3sas_port->remote_identify.device_type ==
3994 SAS_EDGE_EXPANDER_DEVICE ||
3995 mpt3sas_port->remote_identify.device_type ==
3996 SAS_FANOUT_EXPANDER_DEVICE) {
3998 mpt3sas_scsih_expander_find_by_sas_address(
3999 ioc, mpt3sas_port->remote_identify.sas_address,
4000 mpt3sas_port->hba_port);
4001 _scsih_block_io_to_children_attached_to_ex(ioc,
4008 * _scsih_block_io_to_children_attached_directly
4009 * @ioc: per adapter object
4010 * @event_data: topology change event data
4012 * This routine set sdev state to SDEV_BLOCK for all devices
4013 * direct attached during device pull.
4016 _scsih_block_io_to_children_attached_directly(struct MPT3SAS_ADAPTER *ioc,
4017 Mpi2EventDataSasTopologyChangeList_t *event_data)
4023 for (i = 0; i < event_data->NumEntries; i++) {
4024 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
4027 reason_code = event_data->PHY[i].PhyStatus &
4028 MPI2_EVENT_SAS_TOPO_RC_MASK;
4029 if (reason_code == MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING)
4030 _scsih_block_io_device(ioc, handle);
4035 * _scsih_block_io_to_pcie_children_attached_directly
4036 * @ioc: per adapter object
4037 * @event_data: topology change event data
4039 * This routine set sdev state to SDEV_BLOCK for all devices
4040 * direct attached during device pull/reconnect.
4043 _scsih_block_io_to_pcie_children_attached_directly(struct MPT3SAS_ADAPTER *ioc,
4044 Mpi26EventDataPCIeTopologyChangeList_t *event_data)
4050 for (i = 0; i < event_data->NumEntries; i++) {
4052 le16_to_cpu(event_data->PortEntry[i].AttachedDevHandle);
4055 reason_code = event_data->PortEntry[i].PortStatus;
4057 MPI26_EVENT_PCIE_TOPO_PS_DELAY_NOT_RESPONDING)
4058 _scsih_block_io_device(ioc, handle);
4062 * _scsih_tm_tr_send - send task management request
4063 * @ioc: per adapter object
4064 * @handle: device handle
4065 * Context: interrupt time.
4067 * This code is to initiate the device removal handshake protocol
4068 * with controller firmware. This function will issue target reset
4069 * using high priority request queue. It will send a sas iounit
4070 * control request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion.
4072 * This is designed to send muliple task management request at the same
4073 * time to the fifo. If the fifo is full, we will append the request,
4074 * and process it in a future completion.
4077 _scsih_tm_tr_send(struct MPT3SAS_ADAPTER *ioc, u16 handle)
4079 Mpi2SCSITaskManagementRequest_t *mpi_request;
4081 struct _sas_device *sas_device = NULL;
4082 struct _pcie_device *pcie_device = NULL;
4083 struct MPT3SAS_TARGET *sas_target_priv_data = NULL;
4084 u64 sas_address = 0;
4085 unsigned long flags;
4086 struct _tr_list *delayed_tr;
4089 struct hba_port *port = NULL;
4091 if (ioc->pci_error_recovery) {
4093 ioc_info(ioc, "%s: host in pci error recovery: handle(0x%04x)\n",
4097 ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
4098 if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
4100 ioc_info(ioc, "%s: host is not operational: handle(0x%04x)\n",
4105 /* if PD, then return */
4106 if (test_bit(handle, ioc->pd_handles))
4109 clear_bit(handle, ioc->pend_os_device_add);
4111 spin_lock_irqsave(&ioc->sas_device_lock, flags);
4112 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
4113 if (sas_device && sas_device->starget &&
4114 sas_device->starget->hostdata) {
4115 sas_target_priv_data = sas_device->starget->hostdata;
4116 sas_target_priv_data->deleted = 1;
4117 sas_address = sas_device->sas_address;
4118 port = sas_device->port;
4120 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4122 spin_lock_irqsave(&ioc->pcie_device_lock, flags);
4123 pcie_device = __mpt3sas_get_pdev_by_handle(ioc, handle);
4124 if (pcie_device && pcie_device->starget &&
4125 pcie_device->starget->hostdata) {
4126 sas_target_priv_data = pcie_device->starget->hostdata;
4127 sas_target_priv_data->deleted = 1;
4128 sas_address = pcie_device->wwid;
4130 spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
4131 if (pcie_device && (!ioc->tm_custom_handling) &&
4132 (!(mpt3sas_scsih_is_pcie_scsi_device(
4133 pcie_device->device_info))))
4135 MPI26_SCSITASKMGMT_MSGFLAGS_PROTOCOL_LVL_RST_PCIE;
4137 tr_method = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET;
4139 if (sas_target_priv_data) {
4141 ioc_info(ioc, "setting delete flag: handle(0x%04x), sas_addr(0x%016llx)\n",
4142 handle, (u64)sas_address));
4144 if (sas_device->enclosure_handle != 0)
4146 ioc_info(ioc, "setting delete flag:enclosure logical id(0x%016llx), slot(%d)\n",
4147 (u64)sas_device->enclosure_logical_id,
4149 if (sas_device->connector_name[0] != '\0')
4151 ioc_info(ioc, "setting delete flag: enclosure level(0x%04x), connector name( %s)\n",
4152 sas_device->enclosure_level,
4153 sas_device->connector_name));
4154 } else if (pcie_device) {
4155 if (pcie_device->enclosure_handle != 0)
4157 ioc_info(ioc, "setting delete flag: logical id(0x%016llx), slot(%d)\n",
4158 (u64)pcie_device->enclosure_logical_id,
4159 pcie_device->slot));
4160 if (pcie_device->connector_name[0] != '\0')
4162 ioc_info(ioc, "setting delete flag:, enclosure level(0x%04x), connector name( %s)\n",
4163 pcie_device->enclosure_level,
4164 pcie_device->connector_name));
4166 _scsih_ublock_io_device(ioc, sas_address, port);
4167 sas_target_priv_data->handle = MPT3SAS_INVALID_DEVICE_HANDLE;
4170 smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_tr_cb_idx);
4172 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
4175 INIT_LIST_HEAD(&delayed_tr->list);
4176 delayed_tr->handle = handle;
4177 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list);
4179 ioc_info(ioc, "DELAYED:tr:handle(0x%04x), (open)\n",
4185 ioc_info(ioc, "tr_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
4186 handle, smid, ioc->tm_tr_cb_idx));
4187 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
4188 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
4189 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
4190 mpi_request->DevHandle = cpu_to_le16(handle);
4191 mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
4192 mpi_request->MsgFlags = tr_method;
4193 set_bit(handle, ioc->device_remove_in_progress);
4194 ioc->put_smid_hi_priority(ioc, smid, 0);
4195 mpt3sas_trigger_master(ioc, MASTER_TRIGGER_DEVICE_REMOVAL);
4199 sas_device_put(sas_device);
4201 pcie_device_put(pcie_device);
4205 * _scsih_tm_tr_complete -
4206 * @ioc: per adapter object
4207 * @smid: system request message index
4208 * @msix_index: MSIX table index supplied by the OS
4209 * @reply: reply message frame(lower 32bit addr)
4210 * Context: interrupt time.
4212 * This is the target reset completion routine.
4213 * This code is part of the code to initiate the device removal
4214 * handshake protocol with controller firmware.
4215 * It will send a sas iounit control request (MPI2_SAS_OP_REMOVE_DEVICE)
4217 * Return: 1 meaning mf should be freed from _base_interrupt
4218 * 0 means the mf is freed from this function.
4221 _scsih_tm_tr_complete(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
4225 Mpi2SCSITaskManagementRequest_t *mpi_request_tm;
4226 Mpi2SCSITaskManagementReply_t *mpi_reply =
4227 mpt3sas_base_get_reply_virt_addr(ioc, reply);
4228 Mpi2SasIoUnitControlRequest_t *mpi_request;
4231 struct _sc_list *delayed_sc;
4233 if (ioc->pci_error_recovery) {
4235 ioc_info(ioc, "%s: host in pci error recovery\n",
4239 ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
4240 if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
4242 ioc_info(ioc, "%s: host is not operational\n",
4246 if (unlikely(!mpi_reply)) {
4247 ioc_err(ioc, "mpi_reply not valid at %s:%d/%s()!\n",
4248 __FILE__, __LINE__, __func__);
4251 mpi_request_tm = mpt3sas_base_get_msg_frame(ioc, smid);
4252 handle = le16_to_cpu(mpi_request_tm->DevHandle);
4253 if (handle != le16_to_cpu(mpi_reply->DevHandle)) {
4255 ioc_err(ioc, "spurious interrupt: handle(0x%04x:0x%04x), smid(%d)!!!\n",
4257 le16_to_cpu(mpi_reply->DevHandle), smid));
4261 mpt3sas_trigger_master(ioc, MASTER_TRIGGER_TASK_MANAGMENT);
4263 ioc_info(ioc, "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), loginfo(0x%08x), completed(%d)\n",
4264 handle, smid, le16_to_cpu(mpi_reply->IOCStatus),
4265 le32_to_cpu(mpi_reply->IOCLogInfo),
4266 le32_to_cpu(mpi_reply->TerminationCount)));
4268 smid_sas_ctrl = mpt3sas_base_get_smid(ioc, ioc->tm_sas_control_cb_idx);
4269 if (!smid_sas_ctrl) {
4270 delayed_sc = kzalloc(sizeof(*delayed_sc), GFP_ATOMIC);
4272 return _scsih_check_for_pending_tm(ioc, smid);
4273 INIT_LIST_HEAD(&delayed_sc->list);
4274 delayed_sc->handle = le16_to_cpu(mpi_request_tm->DevHandle);
4275 list_add_tail(&delayed_sc->list, &ioc->delayed_sc_list);
4277 ioc_info(ioc, "DELAYED:sc:handle(0x%04x), (open)\n",
4279 return _scsih_check_for_pending_tm(ioc, smid);
4283 ioc_info(ioc, "sc_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
4284 handle, smid_sas_ctrl, ioc->tm_sas_control_cb_idx));
4285 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid_sas_ctrl);
4286 memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t));
4287 mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
4288 mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE;
4289 mpi_request->DevHandle = mpi_request_tm->DevHandle;
4290 ioc->put_smid_default(ioc, smid_sas_ctrl);
4292 return _scsih_check_for_pending_tm(ioc, smid);
4295 /** _scsih_allow_scmd_to_device - check whether scmd needs to
4296 * issue to IOC or not.
4297 * @ioc: per adapter object
4298 * @scmd: pointer to scsi command object
4300 * Returns true if scmd can be issued to IOC otherwise returns false.
4302 inline bool _scsih_allow_scmd_to_device(struct MPT3SAS_ADAPTER *ioc,
4303 struct scsi_cmnd *scmd)
4306 if (ioc->pci_error_recovery)
4309 if (ioc->hba_mpi_version_belonged == MPI2_VERSION) {
4310 if (ioc->remove_host)
4316 if (ioc->remove_host) {
4318 switch (scmd->cmnd[0]) {
4319 case SYNCHRONIZE_CACHE:
4331 * _scsih_sas_control_complete - completion routine
4332 * @ioc: per adapter object
4333 * @smid: system request message index
4334 * @msix_index: MSIX table index supplied by the OS
4335 * @reply: reply message frame(lower 32bit addr)
4336 * Context: interrupt time.
4338 * This is the sas iounit control completion routine.
4339 * This code is part of the code to initiate the device removal
4340 * handshake protocol with controller firmware.
4342 * Return: 1 meaning mf should be freed from _base_interrupt
4343 * 0 means the mf is freed from this function.
4346 _scsih_sas_control_complete(struct MPT3SAS_ADAPTER *ioc, u16 smid,
4347 u8 msix_index, u32 reply)
4349 Mpi2SasIoUnitControlReply_t *mpi_reply =
4350 mpt3sas_base_get_reply_virt_addr(ioc, reply);
4352 if (likely(mpi_reply)) {
4354 ioc_info(ioc, "sc_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n",
4355 le16_to_cpu(mpi_reply->DevHandle), smid,
4356 le16_to_cpu(mpi_reply->IOCStatus),
4357 le32_to_cpu(mpi_reply->IOCLogInfo)));
4358 if (le16_to_cpu(mpi_reply->IOCStatus) ==
4359 MPI2_IOCSTATUS_SUCCESS) {
4360 clear_bit(le16_to_cpu(mpi_reply->DevHandle),
4361 ioc->device_remove_in_progress);
4364 ioc_err(ioc, "mpi_reply not valid at %s:%d/%s()!\n",
4365 __FILE__, __LINE__, __func__);
4367 return mpt3sas_check_for_pending_internal_cmds(ioc, smid);
4371 * _scsih_tm_tr_volume_send - send target reset request for volumes
4372 * @ioc: per adapter object
4373 * @handle: device handle
4374 * Context: interrupt time.
4376 * This is designed to send muliple task management request at the same
4377 * time to the fifo. If the fifo is full, we will append the request,
4378 * and process it in a future completion.
4381 _scsih_tm_tr_volume_send(struct MPT3SAS_ADAPTER *ioc, u16 handle)
4383 Mpi2SCSITaskManagementRequest_t *mpi_request;
4385 struct _tr_list *delayed_tr;
4387 if (ioc->pci_error_recovery) {
4389 ioc_info(ioc, "%s: host reset in progress!\n",
4394 smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_tr_volume_cb_idx);
4396 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
4399 INIT_LIST_HEAD(&delayed_tr->list);
4400 delayed_tr->handle = handle;
4401 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_volume_list);
4403 ioc_info(ioc, "DELAYED:tr:handle(0x%04x), (open)\n",
4409 ioc_info(ioc, "tr_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
4410 handle, smid, ioc->tm_tr_volume_cb_idx));
4411 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
4412 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
4413 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
4414 mpi_request->DevHandle = cpu_to_le16(handle);
4415 mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
4416 ioc->put_smid_hi_priority(ioc, smid, 0);
4420 * _scsih_tm_volume_tr_complete - target reset completion
4421 * @ioc: per adapter object
4422 * @smid: system request message index
4423 * @msix_index: MSIX table index supplied by the OS
4424 * @reply: reply message frame(lower 32bit addr)
4425 * Context: interrupt time.
4427 * Return: 1 meaning mf should be freed from _base_interrupt
4428 * 0 means the mf is freed from this function.
4431 _scsih_tm_volume_tr_complete(struct MPT3SAS_ADAPTER *ioc, u16 smid,
4432 u8 msix_index, u32 reply)
4435 Mpi2SCSITaskManagementRequest_t *mpi_request_tm;
4436 Mpi2SCSITaskManagementReply_t *mpi_reply =
4437 mpt3sas_base_get_reply_virt_addr(ioc, reply);
4439 if (ioc->shost_recovery || ioc->pci_error_recovery) {
4441 ioc_info(ioc, "%s: host reset in progress!\n",
4445 if (unlikely(!mpi_reply)) {
4446 ioc_err(ioc, "mpi_reply not valid at %s:%d/%s()!\n",
4447 __FILE__, __LINE__, __func__);
4451 mpi_request_tm = mpt3sas_base_get_msg_frame(ioc, smid);
4452 handle = le16_to_cpu(mpi_request_tm->DevHandle);
4453 if (handle != le16_to_cpu(mpi_reply->DevHandle)) {
4455 ioc_err(ioc, "spurious interrupt: handle(0x%04x:0x%04x), smid(%d)!!!\n",
4456 handle, le16_to_cpu(mpi_reply->DevHandle),
4462 ioc_info(ioc, "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), loginfo(0x%08x), completed(%d)\n",
4463 handle, smid, le16_to_cpu(mpi_reply->IOCStatus),
4464 le32_to_cpu(mpi_reply->IOCLogInfo),
4465 le32_to_cpu(mpi_reply->TerminationCount)));
4467 return _scsih_check_for_pending_tm(ioc, smid);
4471 * _scsih_issue_delayed_event_ack - issue delayed Event ACK messages
4472 * @ioc: per adapter object
4473 * @smid: system request message index
4475 * @event_context: used to track events uniquely
4477 * Context - processed in interrupt context.
4480 _scsih_issue_delayed_event_ack(struct MPT3SAS_ADAPTER *ioc, u16 smid, U16 event,
4483 Mpi2EventAckRequest_t *ack_request;
4484 int i = smid - ioc->internal_smid;
4485 unsigned long flags;
4487 /* Without releasing the smid just update the
4488 * call back index and reuse the same smid for
4489 * processing this delayed request
4491 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
4492 ioc->internal_lookup[i].cb_idx = ioc->base_cb_idx;
4493 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
4496 ioc_info(ioc, "EVENT ACK: event(0x%04x), smid(%d), cb(%d)\n",
4497 le16_to_cpu(event), smid, ioc->base_cb_idx));
4498 ack_request = mpt3sas_base_get_msg_frame(ioc, smid);
4499 memset(ack_request, 0, sizeof(Mpi2EventAckRequest_t));
4500 ack_request->Function = MPI2_FUNCTION_EVENT_ACK;
4501 ack_request->Event = event;
4502 ack_request->EventContext = event_context;
4503 ack_request->VF_ID = 0; /* TODO */
4504 ack_request->VP_ID = 0;
4505 ioc->put_smid_default(ioc, smid);
4509 * _scsih_issue_delayed_sas_io_unit_ctrl - issue delayed
4510 * sas_io_unit_ctrl messages
4511 * @ioc: per adapter object
4512 * @smid: system request message index
4513 * @handle: device handle
4515 * Context - processed in interrupt context.
4518 _scsih_issue_delayed_sas_io_unit_ctrl(struct MPT3SAS_ADAPTER *ioc,
4519 u16 smid, u16 handle)
4521 Mpi2SasIoUnitControlRequest_t *mpi_request;
4523 int i = smid - ioc->internal_smid;
4524 unsigned long flags;
4526 if (ioc->remove_host) {
4528 ioc_info(ioc, "%s: host has been removed\n",
4531 } else if (ioc->pci_error_recovery) {
4533 ioc_info(ioc, "%s: host in pci error recovery\n",
4537 ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
4538 if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
4540 ioc_info(ioc, "%s: host is not operational\n",
4545 /* Without releasing the smid just update the
4546 * call back index and reuse the same smid for
4547 * processing this delayed request
4549 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
4550 ioc->internal_lookup[i].cb_idx = ioc->tm_sas_control_cb_idx;
4551 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
4554 ioc_info(ioc, "sc_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
4555 handle, smid, ioc->tm_sas_control_cb_idx));
4556 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
4557 memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t));
4558 mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
4559 mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE;
4560 mpi_request->DevHandle = cpu_to_le16(handle);
4561 ioc->put_smid_default(ioc, smid);
4565 * mpt3sas_check_for_pending_internal_cmds - check for pending internal messages
4566 * @ioc: per adapter object
4567 * @smid: system request message index
4569 * Context: Executed in interrupt context
4571 * This will check delayed internal messages list, and process the
4574 * Return: 1 meaning mf should be freed from _base_interrupt
4575 * 0 means the mf is freed from this function.
4578 mpt3sas_check_for_pending_internal_cmds(struct MPT3SAS_ADAPTER *ioc, u16 smid)
4580 struct _sc_list *delayed_sc;
4581 struct _event_ack_list *delayed_event_ack;
4583 if (!list_empty(&ioc->delayed_event_ack_list)) {
4584 delayed_event_ack = list_entry(ioc->delayed_event_ack_list.next,
4585 struct _event_ack_list, list);
4586 _scsih_issue_delayed_event_ack(ioc, smid,
4587 delayed_event_ack->Event, delayed_event_ack->EventContext);
4588 list_del(&delayed_event_ack->list);
4589 kfree(delayed_event_ack);
4593 if (!list_empty(&ioc->delayed_sc_list)) {
4594 delayed_sc = list_entry(ioc->delayed_sc_list.next,
4595 struct _sc_list, list);
4596 _scsih_issue_delayed_sas_io_unit_ctrl(ioc, smid,
4597 delayed_sc->handle);
4598 list_del(&delayed_sc->list);
4606 * _scsih_check_for_pending_tm - check for pending task management
4607 * @ioc: per adapter object
4608 * @smid: system request message index
4610 * This will check delayed target reset list, and feed the
4613 * Return: 1 meaning mf should be freed from _base_interrupt
4614 * 0 means the mf is freed from this function.
4617 _scsih_check_for_pending_tm(struct MPT3SAS_ADAPTER *ioc, u16 smid)
4619 struct _tr_list *delayed_tr;
4621 if (!list_empty(&ioc->delayed_tr_volume_list)) {
4622 delayed_tr = list_entry(ioc->delayed_tr_volume_list.next,
4623 struct _tr_list, list);
4624 mpt3sas_base_free_smid(ioc, smid);
4625 _scsih_tm_tr_volume_send(ioc, delayed_tr->handle);
4626 list_del(&delayed_tr->list);
4631 if (!list_empty(&ioc->delayed_tr_list)) {
4632 delayed_tr = list_entry(ioc->delayed_tr_list.next,
4633 struct _tr_list, list);
4634 mpt3sas_base_free_smid(ioc, smid);
4635 _scsih_tm_tr_send(ioc, delayed_tr->handle);
4636 list_del(&delayed_tr->list);
4645 * _scsih_check_topo_delete_events - sanity check on topo events
4646 * @ioc: per adapter object
4647 * @event_data: the event data payload
4649 * This routine added to better handle cable breaker.
4651 * This handles the case where driver receives multiple expander
4652 * add and delete events in a single shot. When there is a delete event
4653 * the routine will void any pending add events waiting in the event queue.
4656 _scsih_check_topo_delete_events(struct MPT3SAS_ADAPTER *ioc,
4657 Mpi2EventDataSasTopologyChangeList_t *event_data)
4659 struct fw_event_work *fw_event;
4660 Mpi2EventDataSasTopologyChangeList_t *local_event_data;
4661 u16 expander_handle;
4662 struct _sas_node *sas_expander;
4663 unsigned long flags;
4667 for (i = 0 ; i < event_data->NumEntries; i++) {
4668 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
4671 reason_code = event_data->PHY[i].PhyStatus &
4672 MPI2_EVENT_SAS_TOPO_RC_MASK;
4673 if (reason_code == MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)
4674 _scsih_tm_tr_send(ioc, handle);
4677 expander_handle = le16_to_cpu(event_data->ExpanderDevHandle);
4678 if (expander_handle < ioc->sas_hba.num_phys) {
4679 _scsih_block_io_to_children_attached_directly(ioc, event_data);
4682 if (event_data->ExpStatus ==
4683 MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING) {
4684 /* put expander attached devices into blocking state */
4685 spin_lock_irqsave(&ioc->sas_node_lock, flags);
4686 sas_expander = mpt3sas_scsih_expander_find_by_handle(ioc,
4688 _scsih_block_io_to_children_attached_to_ex(ioc, sas_expander);
4689 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
4691 handle = find_first_bit(ioc->blocking_handles,
4692 ioc->facts.MaxDevHandle);
4693 if (handle < ioc->facts.MaxDevHandle)
4694 _scsih_block_io_device(ioc, handle);
4695 } while (test_and_clear_bit(handle, ioc->blocking_handles));
4696 } else if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_RESPONDING)
4697 _scsih_block_io_to_children_attached_directly(ioc, event_data);
4699 if (event_data->ExpStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING)
4702 /* mark ignore flag for pending events */
4703 spin_lock_irqsave(&ioc->fw_event_lock, flags);
4704 list_for_each_entry(fw_event, &ioc->fw_event_list, list) {
4705 if (fw_event->event != MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
4708 local_event_data = (Mpi2EventDataSasTopologyChangeList_t *)
4709 fw_event->event_data;
4710 if (local_event_data->ExpStatus ==
4711 MPI2_EVENT_SAS_TOPO_ES_ADDED ||
4712 local_event_data->ExpStatus ==
4713 MPI2_EVENT_SAS_TOPO_ES_RESPONDING) {
4714 if (le16_to_cpu(local_event_data->ExpanderDevHandle) ==
4717 ioc_info(ioc, "setting ignoring flag\n"));
4718 fw_event->ignore = 1;
4722 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
4726 * _scsih_check_pcie_topo_remove_events - sanity check on topo
4728 * @ioc: per adapter object
4729 * @event_data: the event data payload
4731 * This handles the case where driver receives multiple switch
4732 * or device add and delete events in a single shot. When there
4733 * is a delete event the routine will void any pending add
4734 * events waiting in the event queue.
4737 _scsih_check_pcie_topo_remove_events(struct MPT3SAS_ADAPTER *ioc,
4738 Mpi26EventDataPCIeTopologyChangeList_t *event_data)
4740 struct fw_event_work *fw_event;
4741 Mpi26EventDataPCIeTopologyChangeList_t *local_event_data;
4742 unsigned long flags;
4744 u16 handle, switch_handle;
4746 for (i = 0; i < event_data->NumEntries; i++) {
4748 le16_to_cpu(event_data->PortEntry[i].AttachedDevHandle);
4751 reason_code = event_data->PortEntry[i].PortStatus;
4752 if (reason_code == MPI26_EVENT_PCIE_TOPO_PS_NOT_RESPONDING)
4753 _scsih_tm_tr_send(ioc, handle);
4756 switch_handle = le16_to_cpu(event_data->SwitchDevHandle);
4757 if (!switch_handle) {
4758 _scsih_block_io_to_pcie_children_attached_directly(
4762 /* TODO We are not supporting cascaded PCIe Switch removal yet*/
4763 if ((event_data->SwitchStatus
4764 == MPI26_EVENT_PCIE_TOPO_SS_DELAY_NOT_RESPONDING) ||
4765 (event_data->SwitchStatus ==
4766 MPI26_EVENT_PCIE_TOPO_SS_RESPONDING))
4767 _scsih_block_io_to_pcie_children_attached_directly(
4770 if (event_data->SwitchStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING)
4773 /* mark ignore flag for pending events */
4774 spin_lock_irqsave(&ioc->fw_event_lock, flags);
4775 list_for_each_entry(fw_event, &ioc->fw_event_list, list) {
4776 if (fw_event->event != MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST ||
4780 (Mpi26EventDataPCIeTopologyChangeList_t *)
4781 fw_event->event_data;
4782 if (local_event_data->SwitchStatus ==
4783 MPI2_EVENT_SAS_TOPO_ES_ADDED ||
4784 local_event_data->SwitchStatus ==
4785 MPI2_EVENT_SAS_TOPO_ES_RESPONDING) {
4786 if (le16_to_cpu(local_event_data->SwitchDevHandle) ==
4789 ioc_info(ioc, "setting ignoring flag for switch event\n"));
4790 fw_event->ignore = 1;
4794 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
4798 * _scsih_set_volume_delete_flag - setting volume delete flag
4799 * @ioc: per adapter object
4800 * @handle: device handle
4802 * This returns nothing.
4805 _scsih_set_volume_delete_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle)
4807 struct _raid_device *raid_device;
4808 struct MPT3SAS_TARGET *sas_target_priv_data;
4809 unsigned long flags;
4811 spin_lock_irqsave(&ioc->raid_device_lock, flags);
4812 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
4813 if (raid_device && raid_device->starget &&
4814 raid_device->starget->hostdata) {
4815 sas_target_priv_data =
4816 raid_device->starget->hostdata;
4817 sas_target_priv_data->deleted = 1;
4819 ioc_info(ioc, "setting delete flag: handle(0x%04x), wwid(0x%016llx)\n",
4820 handle, (u64)raid_device->wwid));
4822 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
4826 * _scsih_set_volume_handle_for_tr - set handle for target reset to volume
4827 * @handle: input handle
4828 * @a: handle for volume a
4829 * @b: handle for volume b
4831 * IR firmware only supports two raid volumes. The purpose of this
4832 * routine is to set the volume handle in either a or b. When the given
4833 * input handle is non-zero, or when a and b have not been set before.
4836 _scsih_set_volume_handle_for_tr(u16 handle, u16 *a, u16 *b)
4838 if (!handle || handle == *a || handle == *b)
4847 * _scsih_check_ir_config_unhide_events - check for UNHIDE events
4848 * @ioc: per adapter object
4849 * @event_data: the event data payload
4850 * Context: interrupt time.
4852 * This routine will send target reset to volume, followed by target
4853 * resets to the PDs. This is called when a PD has been removed, or
4854 * volume has been deleted or removed. When the target reset is sent
4855 * to volume, the PD target resets need to be queued to start upon
4856 * completion of the volume target reset.
4859 _scsih_check_ir_config_unhide_events(struct MPT3SAS_ADAPTER *ioc,
4860 Mpi2EventDataIrConfigChangeList_t *event_data)
4862 Mpi2EventIrConfigElement_t *element;
4864 u16 handle, volume_handle, a, b;
4865 struct _tr_list *delayed_tr;
4870 if (ioc->is_warpdrive)
4873 /* Volume Resets for Deleted or Removed */
4874 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
4875 for (i = 0; i < event_data->NumElements; i++, element++) {
4876 if (le32_to_cpu(event_data->Flags) &
4877 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
4879 if (element->ReasonCode ==
4880 MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED ||
4881 element->ReasonCode ==
4882 MPI2_EVENT_IR_CHANGE_RC_REMOVED) {
4883 volume_handle = le16_to_cpu(element->VolDevHandle);
4884 _scsih_set_volume_delete_flag(ioc, volume_handle);
4885 _scsih_set_volume_handle_for_tr(volume_handle, &a, &b);
4889 /* Volume Resets for UNHIDE events */
4890 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
4891 for (i = 0; i < event_data->NumElements; i++, element++) {
4892 if (le32_to_cpu(event_data->Flags) &
4893 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
4895 if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_UNHIDE) {
4896 volume_handle = le16_to_cpu(element->VolDevHandle);
4897 _scsih_set_volume_handle_for_tr(volume_handle, &a, &b);
4902 _scsih_tm_tr_volume_send(ioc, a);
4904 _scsih_tm_tr_volume_send(ioc, b);
4906 /* PD target resets */
4907 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
4908 for (i = 0; i < event_data->NumElements; i++, element++) {
4909 if (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_UNHIDE)
4911 handle = le16_to_cpu(element->PhysDiskDevHandle);
4912 volume_handle = le16_to_cpu(element->VolDevHandle);
4913 clear_bit(handle, ioc->pd_handles);
4915 _scsih_tm_tr_send(ioc, handle);
4916 else if (volume_handle == a || volume_handle == b) {
4917 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
4918 BUG_ON(!delayed_tr);
4919 INIT_LIST_HEAD(&delayed_tr->list);
4920 delayed_tr->handle = handle;
4921 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list);
4923 ioc_info(ioc, "DELAYED:tr:handle(0x%04x), (open)\n",
4926 _scsih_tm_tr_send(ioc, handle);
4932 * _scsih_check_volume_delete_events - set delete flag for volumes
4933 * @ioc: per adapter object
4934 * @event_data: the event data payload
4935 * Context: interrupt time.
4937 * This will handle the case when the cable connected to entire volume is
4938 * pulled. We will take care of setting the deleted flag so normal IO will
4942 _scsih_check_volume_delete_events(struct MPT3SAS_ADAPTER *ioc,
4943 Mpi2EventDataIrVolume_t *event_data)
4947 if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
4949 state = le32_to_cpu(event_data->NewValue);
4950 if (state == MPI2_RAID_VOL_STATE_MISSING || state ==
4951 MPI2_RAID_VOL_STATE_FAILED)
4952 _scsih_set_volume_delete_flag(ioc,
4953 le16_to_cpu(event_data->VolDevHandle));
4957 * _scsih_temp_threshold_events - display temperature threshold exceeded events
4958 * @ioc: per adapter object
4959 * @event_data: the temp threshold event data
4960 * Context: interrupt time.
4963 _scsih_temp_threshold_events(struct MPT3SAS_ADAPTER *ioc,
4964 Mpi2EventDataTemperature_t *event_data)
4967 if (ioc->temp_sensors_count >= event_data->SensorNum) {
4968 ioc_err(ioc, "Temperature Threshold flags %s%s%s%s exceeded for Sensor: %d !!!\n",
4969 le16_to_cpu(event_data->Status) & 0x1 ? "0 " : " ",
4970 le16_to_cpu(event_data->Status) & 0x2 ? "1 " : " ",
4971 le16_to_cpu(event_data->Status) & 0x4 ? "2 " : " ",
4972 le16_to_cpu(event_data->Status) & 0x8 ? "3 " : " ",
4973 event_data->SensorNum);
4974 ioc_err(ioc, "Current Temp In Celsius: %d\n",
4975 event_data->CurrentTemperature);
4976 if (ioc->hba_mpi_version_belonged != MPI2_VERSION) {
4977 doorbell = mpt3sas_base_get_iocstate(ioc, 0);
4978 if ((doorbell & MPI2_IOC_STATE_MASK) ==
4979 MPI2_IOC_STATE_FAULT) {
4980 mpt3sas_print_fault_code(ioc,
4981 doorbell & MPI2_DOORBELL_DATA_MASK);
4982 } else if ((doorbell & MPI2_IOC_STATE_MASK) ==
4983 MPI2_IOC_STATE_COREDUMP) {
4984 mpt3sas_print_coredump_info(ioc,
4985 doorbell & MPI2_DOORBELL_DATA_MASK);
4991 static int _scsih_set_satl_pending(struct scsi_cmnd *scmd, bool pending)
4993 struct MPT3SAS_DEVICE *priv = scmd->device->hostdata;
4995 if (scmd->cmnd[0] != ATA_12 && scmd->cmnd[0] != ATA_16)
4999 return test_and_set_bit(0, &priv->ata_command_pending);
5001 clear_bit(0, &priv->ata_command_pending);
5006 * _scsih_flush_running_cmds - completing outstanding commands.
5007 * @ioc: per adapter object
5009 * The flushing out of all pending scmd commands following host reset,
5010 * where all IO is dropped to the floor.
5013 _scsih_flush_running_cmds(struct MPT3SAS_ADAPTER *ioc)
5015 struct scsi_cmnd *scmd;
5016 struct scsiio_tracker *st;
5020 for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
5021 scmd = mpt3sas_scsih_scsi_lookup_get(ioc, smid);
5025 _scsih_set_satl_pending(scmd, false);
5026 st = scsi_cmd_priv(scmd);
5027 mpt3sas_base_clear_st(ioc, st);
5028 scsi_dma_unmap(scmd);
5029 if (ioc->pci_error_recovery || ioc->remove_host)
5030 scmd->result = DID_NO_CONNECT << 16;
5032 scmd->result = DID_RESET << 16;
5033 scmd->scsi_done(scmd);
5035 dtmprintk(ioc, ioc_info(ioc, "completing %d cmds\n", count));
5039 * _scsih_setup_eedp - setup MPI request for EEDP transfer
5040 * @ioc: per adapter object
5041 * @scmd: pointer to scsi command object
5042 * @mpi_request: pointer to the SCSI_IO request message frame
5044 * Supporting protection 1 and 3.
5047 _scsih_setup_eedp(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
5048 Mpi25SCSIIORequest_t *mpi_request)
5051 Mpi25SCSIIORequest_t *mpi_request_3v =
5052 (Mpi25SCSIIORequest_t *)mpi_request;
5054 switch (scsi_get_prot_op(scmd)) {
5055 case SCSI_PROT_READ_STRIP:
5056 eedp_flags = MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP;
5058 case SCSI_PROT_WRITE_INSERT:
5059 eedp_flags = MPI2_SCSIIO_EEDPFLAGS_INSERT_OP;
5065 if (scmd->prot_flags & SCSI_PROT_GUARD_CHECK)
5066 eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
5068 if (scmd->prot_flags & SCSI_PROT_REF_CHECK) {
5069 eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
5070 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG;
5071 mpi_request->CDB.EEDP32.PrimaryReferenceTag =
5072 cpu_to_be32(scsi_prot_ref_tag(scmd));
5075 mpi_request_3v->EEDPBlockSize = cpu_to_le16(scsi_prot_interval(scmd));
5077 if (ioc->is_gen35_ioc)
5078 eedp_flags |= MPI25_SCSIIO_EEDPFLAGS_APPTAG_DISABLE_MODE;
5079 mpi_request->EEDPFlags = cpu_to_le16(eedp_flags);
5083 * _scsih_eedp_error_handling - return sense code for EEDP errors
5084 * @scmd: pointer to scsi command object
5085 * @ioc_status: ioc status
5088 _scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status)
5092 switch (ioc_status) {
5093 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
5096 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
5099 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
5106 scsi_build_sense(scmd, 0, ILLEGAL_REQUEST, 0x10, ascq);
5107 set_host_byte(scmd, DID_ABORT);
5111 * scsih_qcmd - main scsi request entry point
5112 * @shost: SCSI host pointer
5113 * @scmd: pointer to scsi command object
5115 * The callback index is set inside `ioc->scsi_io_cb_idx`.
5117 * Return: 0 on success. If there's a failure, return either:
5118 * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or
5119 * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full
5122 scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd)
5124 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
5125 struct MPT3SAS_DEVICE *sas_device_priv_data;
5126 struct MPT3SAS_TARGET *sas_target_priv_data;
5127 struct _raid_device *raid_device;
5128 struct request *rq = scsi_cmd_to_rq(scmd);
5130 Mpi25SCSIIORequest_t *mpi_request;
5131 struct _pcie_device *pcie_device = NULL;
5136 if (ioc->logging_level & MPT_DEBUG_SCSI)
5137 scsi_print_command(scmd);
5139 sas_device_priv_data = scmd->device->hostdata;
5140 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
5141 scmd->result = DID_NO_CONNECT << 16;
5142 scmd->scsi_done(scmd);
5146 if (!(_scsih_allow_scmd_to_device(ioc, scmd))) {
5147 scmd->result = DID_NO_CONNECT << 16;
5148 scmd->scsi_done(scmd);
5152 sas_target_priv_data = sas_device_priv_data->sas_target;
5154 /* invalid device handle */
5155 handle = sas_target_priv_data->handle;
5156 if (handle == MPT3SAS_INVALID_DEVICE_HANDLE) {
5157 scmd->result = DID_NO_CONNECT << 16;
5158 scmd->scsi_done(scmd);
5163 if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress) {
5164 /* host recovery or link resets sent via IOCTLs */
5165 return SCSI_MLQUEUE_HOST_BUSY;
5166 } else if (sas_target_priv_data->deleted) {
5167 /* device has been deleted */
5168 scmd->result = DID_NO_CONNECT << 16;
5169 scmd->scsi_done(scmd);
5171 } else if (sas_target_priv_data->tm_busy ||
5172 sas_device_priv_data->block) {
5173 /* device busy with task management */
5174 return SCSI_MLQUEUE_DEVICE_BUSY;
5178 * Bug work around for firmware SATL handling. The loop
5179 * is based on atomic operations and ensures consistency
5180 * since we're lockless at this point
5183 if (test_bit(0, &sas_device_priv_data->ata_command_pending))
5184 return SCSI_MLQUEUE_DEVICE_BUSY;
5185 } while (_scsih_set_satl_pending(scmd, true));
5187 if (scmd->sc_data_direction == DMA_FROM_DEVICE)
5188 mpi_control = MPI2_SCSIIO_CONTROL_READ;
5189 else if (scmd->sc_data_direction == DMA_TO_DEVICE)
5190 mpi_control = MPI2_SCSIIO_CONTROL_WRITE;
5192 mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER;
5195 mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
5196 /* NCQ Prio supported, make sure control indicated high priority */
5197 if (sas_device_priv_data->ncq_prio_enable) {
5198 class = IOPRIO_PRIO_CLASS(req_get_ioprio(rq));
5199 if (class == IOPRIO_CLASS_RT)
5200 mpi_control |= 1 << MPI2_SCSIIO_CONTROL_CMDPRI_SHIFT;
5202 /* Make sure Device is not raid volume.
5203 * We do not expose raid functionality to upper layer for warpdrive.
5205 if (((!ioc->is_warpdrive && !scsih_is_raid(&scmd->device->sdev_gendev))
5206 && !scsih_is_nvme(&scmd->device->sdev_gendev))
5207 && sas_is_tlr_enabled(scmd->device) && scmd->cmd_len != 32)
5208 mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON;
5210 smid = mpt3sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd);
5212 ioc_err(ioc, "%s: failed obtaining a smid\n", __func__);
5213 _scsih_set_satl_pending(scmd, false);
5216 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
5217 memset(mpi_request, 0, ioc->request_sz);
5218 _scsih_setup_eedp(ioc, scmd, mpi_request);
5220 if (scmd->cmd_len == 32)
5221 mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT;
5222 mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
5223 if (sas_device_priv_data->sas_target->flags &
5224 MPT_TARGET_FLAGS_RAID_COMPONENT)
5225 mpi_request->Function = MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
5227 mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
5228 mpi_request->DevHandle = cpu_to_le16(handle);
5229 mpi_request->DataLength = cpu_to_le32(scsi_bufflen(scmd));
5230 mpi_request->Control = cpu_to_le32(mpi_control);
5231 mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len);
5232 mpi_request->MsgFlags = MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR;
5233 mpi_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE;
5234 mpi_request->SenseBufferLowAddress =
5235 mpt3sas_base_get_sense_buffer_dma(ioc, smid);
5236 mpi_request->SGLOffset0 = offsetof(Mpi25SCSIIORequest_t, SGL) / 4;
5237 int_to_scsilun(sas_device_priv_data->lun, (struct scsi_lun *)
5239 memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len);
5241 if (mpi_request->DataLength) {
5242 pcie_device = sas_target_priv_data->pcie_dev;
5243 if (ioc->build_sg_scmd(ioc, scmd, smid, pcie_device)) {
5244 mpt3sas_base_free_smid(ioc, smid);
5245 _scsih_set_satl_pending(scmd, false);
5249 ioc->build_zero_len_sge(ioc, &mpi_request->SGL);
5251 raid_device = sas_target_priv_data->raid_device;
5252 if (raid_device && raid_device->direct_io_enabled)
5253 mpt3sas_setup_direct_io(ioc, scmd,
5254 raid_device, mpi_request);
5256 if (likely(mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST)) {
5257 if (sas_target_priv_data->flags & MPT_TARGET_FASTPATH_IO) {
5258 mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len |
5259 MPI25_SCSIIO_IOFLAGS_FAST_PATH);
5260 ioc->put_smid_fast_path(ioc, smid, handle);
5262 ioc->put_smid_scsi_io(ioc, smid,
5263 le16_to_cpu(mpi_request->DevHandle));
5265 ioc->put_smid_default(ioc, smid);
5269 return SCSI_MLQUEUE_HOST_BUSY;
5273 * _scsih_normalize_sense - normalize descriptor and fixed format sense data
5274 * @sense_buffer: sense data returned by target
5275 * @data: normalized skey/asc/ascq
5278 _scsih_normalize_sense(char *sense_buffer, struct sense_info *data)
5280 if ((sense_buffer[0] & 0x7F) >= 0x72) {
5281 /* descriptor format */
5282 data->skey = sense_buffer[1] & 0x0F;
5283 data->asc = sense_buffer[2];
5284 data->ascq = sense_buffer[3];
5287 data->skey = sense_buffer[2] & 0x0F;
5288 data->asc = sense_buffer[12];
5289 data->ascq = sense_buffer[13];
5294 * _scsih_scsi_ioc_info - translated non-succesfull SCSI_IO request
5295 * @ioc: per adapter object
5296 * @scmd: pointer to scsi command object
5297 * @mpi_reply: reply mf payload returned from firmware
5300 * scsi_status - SCSI Status code returned from target device
5301 * scsi_state - state info associated with SCSI_IO determined by ioc
5302 * ioc_status - ioc supplied status info
5305 _scsih_scsi_ioc_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
5306 Mpi2SCSIIOReply_t *mpi_reply, u16 smid)
5310 u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) &
5311 MPI2_IOCSTATUS_MASK;
5312 u8 scsi_state = mpi_reply->SCSIState;
5313 u8 scsi_status = mpi_reply->SCSIStatus;
5314 char *desc_ioc_state = NULL;
5315 char *desc_scsi_status = NULL;
5316 char *desc_scsi_state = ioc->tmp_string;
5317 u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
5318 struct _sas_device *sas_device = NULL;
5319 struct _pcie_device *pcie_device = NULL;
5320 struct scsi_target *starget = scmd->device->sdev_target;
5321 struct MPT3SAS_TARGET *priv_target = starget->hostdata;
5322 char *device_str = NULL;
5326 if (ioc->hide_ir_msg)
5327 device_str = "WarpDrive";
5329 device_str = "volume";
5331 if (log_info == 0x31170000)
5334 switch (ioc_status) {
5335 case MPI2_IOCSTATUS_SUCCESS:
5336 desc_ioc_state = "success";
5338 case MPI2_IOCSTATUS_INVALID_FUNCTION:
5339 desc_ioc_state = "invalid function";
5341 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
5342 desc_ioc_state = "scsi recovered error";
5344 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
5345 desc_ioc_state = "scsi invalid dev handle";
5347 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
5348 desc_ioc_state = "scsi device not there";
5350 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
5351 desc_ioc_state = "scsi data overrun";
5353 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
5354 desc_ioc_state = "scsi data underrun";
5356 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
5357 desc_ioc_state = "scsi io data error";
5359 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
5360 desc_ioc_state = "scsi protocol error";
5362 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
5363 desc_ioc_state = "scsi task terminated";
5365 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
5366 desc_ioc_state = "scsi residual mismatch";
5368 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
5369 desc_ioc_state = "scsi task mgmt failed";
5371 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
5372 desc_ioc_state = "scsi ioc terminated";
5374 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
5375 desc_ioc_state = "scsi ext terminated";
5377 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
5378 desc_ioc_state = "eedp guard error";
5380 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
5381 desc_ioc_state = "eedp ref tag error";
5383 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
5384 desc_ioc_state = "eedp app tag error";
5386 case MPI2_IOCSTATUS_INSUFFICIENT_POWER:
5387 desc_ioc_state = "insufficient power";
5390 desc_ioc_state = "unknown";
5394 switch (scsi_status) {
5395 case MPI2_SCSI_STATUS_GOOD:
5396 desc_scsi_status = "good";
5398 case MPI2_SCSI_STATUS_CHECK_CONDITION:
5399 desc_scsi_status = "check condition";
5401 case MPI2_SCSI_STATUS_CONDITION_MET:
5402 desc_scsi_status = "condition met";
5404 case MPI2_SCSI_STATUS_BUSY:
5405 desc_scsi_status = "busy";
5407 case MPI2_SCSI_STATUS_INTERMEDIATE:
5408 desc_scsi_status = "intermediate";
5410 case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET:
5411 desc_scsi_status = "intermediate condmet";
5413 case MPI2_SCSI_STATUS_RESERVATION_CONFLICT:
5414 desc_scsi_status = "reservation conflict";
5416 case MPI2_SCSI_STATUS_COMMAND_TERMINATED:
5417 desc_scsi_status = "command terminated";
5419 case MPI2_SCSI_STATUS_TASK_SET_FULL:
5420 desc_scsi_status = "task set full";
5422 case MPI2_SCSI_STATUS_ACA_ACTIVE:
5423 desc_scsi_status = "aca active";
5425 case MPI2_SCSI_STATUS_TASK_ABORTED:
5426 desc_scsi_status = "task aborted";
5429 desc_scsi_status = "unknown";
5433 desc_scsi_state[0] = '\0';
5435 desc_scsi_state = " ";
5436 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
5437 strcat(desc_scsi_state, "response info ");
5438 if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
5439 strcat(desc_scsi_state, "state terminated ");
5440 if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS)
5441 strcat(desc_scsi_state, "no status ");
5442 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED)
5443 strcat(desc_scsi_state, "autosense failed ");
5444 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)
5445 strcat(desc_scsi_state, "autosense valid ");
5447 scsi_print_command(scmd);
5449 if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) {
5450 ioc_warn(ioc, "\t%s wwid(0x%016llx)\n",
5451 device_str, (u64)priv_target->sas_address);
5452 } else if (priv_target->flags & MPT_TARGET_FLAGS_PCIE_DEVICE) {
5453 pcie_device = mpt3sas_get_pdev_from_target(ioc, priv_target);
5455 ioc_info(ioc, "\twwid(0x%016llx), port(%d)\n",
5456 (u64)pcie_device->wwid, pcie_device->port_num);
5457 if (pcie_device->enclosure_handle != 0)
5458 ioc_info(ioc, "\tenclosure logical id(0x%016llx), slot(%d)\n",
5459 (u64)pcie_device->enclosure_logical_id,
5461 if (pcie_device->connector_name[0])
5462 ioc_info(ioc, "\tenclosure level(0x%04x), connector name( %s)\n",
5463 pcie_device->enclosure_level,
5464 pcie_device->connector_name);
5465 pcie_device_put(pcie_device);
5468 sas_device = mpt3sas_get_sdev_from_target(ioc, priv_target);
5470 ioc_warn(ioc, "\tsas_address(0x%016llx), phy(%d)\n",
5471 (u64)sas_device->sas_address, sas_device->phy);
5473 _scsih_display_enclosure_chassis_info(ioc, sas_device,
5476 sas_device_put(sas_device);
5480 ioc_warn(ioc, "\thandle(0x%04x), ioc_status(%s)(0x%04x), smid(%d)\n",
5481 le16_to_cpu(mpi_reply->DevHandle),
5482 desc_ioc_state, ioc_status, smid);
5483 ioc_warn(ioc, "\trequest_len(%d), underflow(%d), resid(%d)\n",
5484 scsi_bufflen(scmd), scmd->underflow, scsi_get_resid(scmd));
5485 ioc_warn(ioc, "\ttag(%d), transfer_count(%d), sc->result(0x%08x)\n",
5486 le16_to_cpu(mpi_reply->TaskTag),
5487 le32_to_cpu(mpi_reply->TransferCount), scmd->result);
5488 ioc_warn(ioc, "\tscsi_status(%s)(0x%02x), scsi_state(%s)(0x%02x)\n",
5489 desc_scsi_status, scsi_status, desc_scsi_state, scsi_state);
5491 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
5492 struct sense_info data;
5493 _scsih_normalize_sense(scmd->sense_buffer, &data);
5494 ioc_warn(ioc, "\t[sense_key,asc,ascq]: [0x%02x,0x%02x,0x%02x], count(%d)\n",
5495 data.skey, data.asc, data.ascq,
5496 le32_to_cpu(mpi_reply->SenseCount));
5498 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) {
5499 response_info = le32_to_cpu(mpi_reply->ResponseInfo);
5500 response_bytes = (u8 *)&response_info;
5501 _scsih_response_code(ioc, response_bytes[0]);
5506 * _scsih_turn_on_pfa_led - illuminate PFA LED
5507 * @ioc: per adapter object
5508 * @handle: device handle
5512 _scsih_turn_on_pfa_led(struct MPT3SAS_ADAPTER *ioc, u16 handle)
5514 Mpi2SepReply_t mpi_reply;
5515 Mpi2SepRequest_t mpi_request;
5516 struct _sas_device *sas_device;
5518 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
5522 memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t));
5523 mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
5524 mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS;
5525 mpi_request.SlotStatus =
5526 cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
5527 mpi_request.DevHandle = cpu_to_le16(handle);
5528 mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS;
5529 if ((mpt3sas_base_scsi_enclosure_processor(ioc, &mpi_reply,
5530 &mpi_request)) != 0) {
5531 ioc_err(ioc, "failure at %s:%d/%s()!\n",
5532 __FILE__, __LINE__, __func__);
5535 sas_device->pfa_led_on = 1;
5537 if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) {
5539 ioc_info(ioc, "enclosure_processor: ioc_status (0x%04x), loginfo(0x%08x)\n",
5540 le16_to_cpu(mpi_reply.IOCStatus),
5541 le32_to_cpu(mpi_reply.IOCLogInfo)));
5545 sas_device_put(sas_device);
5549 * _scsih_turn_off_pfa_led - turn off Fault LED
5550 * @ioc: per adapter object
5551 * @sas_device: sas device whose PFA LED has to turned off
5555 _scsih_turn_off_pfa_led(struct MPT3SAS_ADAPTER *ioc,
5556 struct _sas_device *sas_device)
5558 Mpi2SepReply_t mpi_reply;
5559 Mpi2SepRequest_t mpi_request;
5561 memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t));
5562 mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
5563 mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS;
5564 mpi_request.SlotStatus = 0;
5565 mpi_request.Slot = cpu_to_le16(sas_device->slot);
5566 mpi_request.DevHandle = 0;
5567 mpi_request.EnclosureHandle = cpu_to_le16(sas_device->enclosure_handle);
5568 mpi_request.Flags = MPI2_SEP_REQ_FLAGS_ENCLOSURE_SLOT_ADDRESS;
5569 if ((mpt3sas_base_scsi_enclosure_processor(ioc, &mpi_reply,
5570 &mpi_request)) != 0) {
5571 ioc_err(ioc, "failure at %s:%d/%s()!\n",
5572 __FILE__, __LINE__, __func__);
5576 if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) {
5578 ioc_info(ioc, "enclosure_processor: ioc_status (0x%04x), loginfo(0x%08x)\n",
5579 le16_to_cpu(mpi_reply.IOCStatus),
5580 le32_to_cpu(mpi_reply.IOCLogInfo)));
5586 * _scsih_send_event_to_turn_on_pfa_led - fire delayed event
5587 * @ioc: per adapter object
5588 * @handle: device handle
5589 * Context: interrupt.
5592 _scsih_send_event_to_turn_on_pfa_led(struct MPT3SAS_ADAPTER *ioc, u16 handle)
5594 struct fw_event_work *fw_event;
5596 fw_event = alloc_fw_event_work(0);
5599 fw_event->event = MPT3SAS_TURN_ON_PFA_LED;
5600 fw_event->device_handle = handle;
5601 fw_event->ioc = ioc;
5602 _scsih_fw_event_add(ioc, fw_event);
5603 fw_event_work_put(fw_event);
5607 * _scsih_smart_predicted_fault - process smart errors
5608 * @ioc: per adapter object
5609 * @handle: device handle
5610 * Context: interrupt.
5613 _scsih_smart_predicted_fault(struct MPT3SAS_ADAPTER *ioc, u16 handle)
5615 struct scsi_target *starget;
5616 struct MPT3SAS_TARGET *sas_target_priv_data;
5617 Mpi2EventNotificationReply_t *event_reply;
5618 Mpi2EventDataSasDeviceStatusChange_t *event_data;
5619 struct _sas_device *sas_device;
5621 unsigned long flags;
5623 /* only handle non-raid devices */
5624 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5625 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
5629 starget = sas_device->starget;
5630 sas_target_priv_data = starget->hostdata;
5632 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) ||
5633 ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)))
5636 _scsih_display_enclosure_chassis_info(NULL, sas_device, NULL, starget);
5638 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5640 if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM)
5641 _scsih_send_event_to_turn_on_pfa_led(ioc, handle);
5643 /* insert into event log */
5644 sz = offsetof(Mpi2EventNotificationReply_t, EventData) +
5645 sizeof(Mpi2EventDataSasDeviceStatusChange_t);
5646 event_reply = kzalloc(sz, GFP_ATOMIC);
5648 ioc_err(ioc, "failure at %s:%d/%s()!\n",
5649 __FILE__, __LINE__, __func__);
5653 event_reply->Function = MPI2_FUNCTION_EVENT_NOTIFICATION;
5654 event_reply->Event =
5655 cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE);
5656 event_reply->MsgLength = sz/4;
5657 event_reply->EventDataLength =
5658 cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t)/4);
5659 event_data = (Mpi2EventDataSasDeviceStatusChange_t *)
5660 event_reply->EventData;
5661 event_data->ReasonCode = MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA;
5662 event_data->ASC = 0x5D;
5663 event_data->DevHandle = cpu_to_le16(handle);
5664 event_data->SASAddress = cpu_to_le64(sas_target_priv_data->sas_address);
5665 mpt3sas_ctl_add_to_event_log(ioc, event_reply);
5669 sas_device_put(sas_device);
5673 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5678 * _scsih_io_done - scsi request callback
5679 * @ioc: per adapter object
5680 * @smid: system request message index
5681 * @msix_index: MSIX table index supplied by the OS
5682 * @reply: reply message frame(lower 32bit addr)
5684 * Callback handler when using _scsih_qcmd.
5686 * Return: 1 meaning mf should be freed from _base_interrupt
5687 * 0 means the mf is freed from this function.
5690 _scsih_io_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
5692 Mpi25SCSIIORequest_t *mpi_request;
5693 Mpi2SCSIIOReply_t *mpi_reply;
5694 struct scsi_cmnd *scmd;
5695 struct scsiio_tracker *st;
5701 struct MPT3SAS_DEVICE *sas_device_priv_data;
5702 u32 response_code = 0;
5704 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
5706 scmd = mpt3sas_scsih_scsi_lookup_get(ioc, smid);
5710 _scsih_set_satl_pending(scmd, false);
5712 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
5714 if (mpi_reply == NULL) {
5715 scmd->result = DID_OK << 16;
5719 sas_device_priv_data = scmd->device->hostdata;
5720 if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
5721 sas_device_priv_data->sas_target->deleted) {
5722 scmd->result = DID_NO_CONNECT << 16;
5725 ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
5728 * WARPDRIVE: If direct_io is set then it is directIO,
5729 * the failed direct I/O should be redirected to volume
5731 st = scsi_cmd_priv(scmd);
5732 if (st->direct_io &&
5733 ((ioc_status & MPI2_IOCSTATUS_MASK)
5734 != MPI2_IOCSTATUS_SCSI_TASK_TERMINATED)) {
5737 memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len);
5738 mpi_request->DevHandle =
5739 cpu_to_le16(sas_device_priv_data->sas_target->handle);
5740 ioc->put_smid_scsi_io(ioc, smid,
5741 sas_device_priv_data->sas_target->handle);
5744 /* turning off TLR */
5745 scsi_state = mpi_reply->SCSIState;
5746 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
5748 le32_to_cpu(mpi_reply->ResponseInfo) & 0xFF;
5749 if (!sas_device_priv_data->tlr_snoop_check) {
5750 sas_device_priv_data->tlr_snoop_check++;
5751 if ((!ioc->is_warpdrive &&
5752 !scsih_is_raid(&scmd->device->sdev_gendev) &&
5753 !scsih_is_nvme(&scmd->device->sdev_gendev))
5754 && sas_is_tlr_enabled(scmd->device) &&
5755 response_code == MPI2_SCSITASKMGMT_RSP_INVALID_FRAME) {
5756 sas_disable_tlr(scmd->device);
5757 sdev_printk(KERN_INFO, scmd->device, "TLR disabled\n");
5761 xfer_cnt = le32_to_cpu(mpi_reply->TransferCount);
5762 scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt);
5763 if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
5764 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
5767 ioc_status &= MPI2_IOCSTATUS_MASK;
5768 scsi_status = mpi_reply->SCSIStatus;
5770 if (ioc_status == MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
5771 (scsi_status == MPI2_SCSI_STATUS_BUSY ||
5772 scsi_status == MPI2_SCSI_STATUS_RESERVATION_CONFLICT ||
5773 scsi_status == MPI2_SCSI_STATUS_TASK_SET_FULL)) {
5774 ioc_status = MPI2_IOCSTATUS_SUCCESS;
5777 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
5778 struct sense_info data;
5779 const void *sense_data = mpt3sas_base_get_sense_buffer(ioc,
5781 u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE,
5782 le32_to_cpu(mpi_reply->SenseCount));
5783 memcpy(scmd->sense_buffer, sense_data, sz);
5784 _scsih_normalize_sense(scmd->sense_buffer, &data);
5785 /* failure prediction threshold exceeded */
5786 if (data.asc == 0x5D)
5787 _scsih_smart_predicted_fault(ioc,
5788 le16_to_cpu(mpi_reply->DevHandle));
5789 mpt3sas_trigger_scsi(ioc, data.skey, data.asc, data.ascq);
5791 if ((ioc->logging_level & MPT_DEBUG_REPLY) &&
5792 ((scmd->sense_buffer[2] == UNIT_ATTENTION) ||
5793 (scmd->sense_buffer[2] == MEDIUM_ERROR) ||
5794 (scmd->sense_buffer[2] == HARDWARE_ERROR)))
5795 _scsih_scsi_ioc_info(ioc, scmd, mpi_reply, smid);
5797 switch (ioc_status) {
5798 case MPI2_IOCSTATUS_BUSY:
5799 case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES:
5800 scmd->result = SAM_STAT_BUSY;
5803 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
5804 scmd->result = DID_NO_CONNECT << 16;
5807 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
5808 if (sas_device_priv_data->block) {
5809 scmd->result = DID_TRANSPORT_DISRUPTED << 16;
5812 if (log_info == 0x31110630) {
5813 if (scmd->retries > 2) {
5814 scmd->result = DID_NO_CONNECT << 16;
5815 scsi_device_set_state(scmd->device,
5818 scmd->result = DID_SOFT_ERROR << 16;
5819 scmd->device->expecting_cc_ua = 1;
5822 } else if (log_info == VIRTUAL_IO_FAILED_RETRY) {
5823 scmd->result = DID_RESET << 16;
5825 } else if ((scmd->device->channel == RAID_CHANNEL) &&
5826 (scsi_state == (MPI2_SCSI_STATE_TERMINATED |
5827 MPI2_SCSI_STATE_NO_SCSI_STATUS))) {
5828 scmd->result = DID_RESET << 16;
5831 scmd->result = DID_SOFT_ERROR << 16;
5833 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
5834 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
5835 scmd->result = DID_RESET << 16;
5838 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
5839 if ((xfer_cnt == 0) || (scmd->underflow > xfer_cnt))
5840 scmd->result = DID_SOFT_ERROR << 16;
5842 scmd->result = (DID_OK << 16) | scsi_status;
5845 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
5846 scmd->result = (DID_OK << 16) | scsi_status;
5848 if ((scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID))
5851 if (xfer_cnt < scmd->underflow) {
5852 if (scsi_status == SAM_STAT_BUSY)
5853 scmd->result = SAM_STAT_BUSY;
5855 scmd->result = DID_SOFT_ERROR << 16;
5856 } else if (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
5857 MPI2_SCSI_STATE_NO_SCSI_STATUS))
5858 scmd->result = DID_SOFT_ERROR << 16;
5859 else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
5860 scmd->result = DID_RESET << 16;
5861 else if (!xfer_cnt && scmd->cmnd[0] == REPORT_LUNS) {
5862 mpi_reply->SCSIState = MPI2_SCSI_STATE_AUTOSENSE_VALID;
5863 mpi_reply->SCSIStatus = SAM_STAT_CHECK_CONDITION;
5864 scsi_build_sense(scmd, 0, ILLEGAL_REQUEST,
5869 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
5870 scsi_set_resid(scmd, 0);
5872 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
5873 case MPI2_IOCSTATUS_SUCCESS:
5874 scmd->result = (DID_OK << 16) | scsi_status;
5875 if (response_code ==
5876 MPI2_SCSITASKMGMT_RSP_INVALID_FRAME ||
5877 (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
5878 MPI2_SCSI_STATE_NO_SCSI_STATUS)))
5879 scmd->result = DID_SOFT_ERROR << 16;
5880 else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
5881 scmd->result = DID_RESET << 16;
5884 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
5885 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
5886 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
5887 _scsih_eedp_error_handling(scmd, ioc_status);
5890 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
5891 case MPI2_IOCSTATUS_INVALID_FUNCTION:
5892 case MPI2_IOCSTATUS_INVALID_SGL:
5893 case MPI2_IOCSTATUS_INTERNAL_ERROR:
5894 case MPI2_IOCSTATUS_INVALID_FIELD:
5895 case MPI2_IOCSTATUS_INVALID_STATE:
5896 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
5897 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
5898 case MPI2_IOCSTATUS_INSUFFICIENT_POWER:
5900 scmd->result = DID_SOFT_ERROR << 16;
5905 if (scmd->result && (ioc->logging_level & MPT_DEBUG_REPLY))
5906 _scsih_scsi_ioc_info(ioc , scmd, mpi_reply, smid);
5910 scsi_dma_unmap(scmd);
5911 mpt3sas_base_free_smid(ioc, smid);
5912 scmd->scsi_done(scmd);
5917 * _scsih_update_vphys_after_reset - update the Port's
5918 * vphys_list after reset
5919 * @ioc: per adapter object
5924 _scsih_update_vphys_after_reset(struct MPT3SAS_ADAPTER *ioc)
5928 Mpi2ConfigReply_t mpi_reply;
5929 Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
5930 u16 attached_handle;
5931 u64 attached_sas_addr;
5932 u8 found = 0, port_id;
5933 Mpi2SasPhyPage0_t phy_pg0;
5934 struct hba_port *port, *port_next, *mport;
5935 struct virtual_phy *vphy, *vphy_next;
5936 struct _sas_device *sas_device;
5939 * Mark all the vphys objects as dirty.
5941 list_for_each_entry_safe(port, port_next,
5942 &ioc->port_table_list, list) {
5943 if (!port->vphys_mask)
5945 list_for_each_entry_safe(vphy, vphy_next,
5946 &port->vphys_list, list) {
5947 vphy->flags |= MPT_VPHY_FLAG_DIRTY_PHY;
5952 * Read SASIOUnitPage0 to get each HBA Phy's data.
5954 sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) +
5955 (ioc->sas_hba.num_phys * sizeof(Mpi2SasIOUnit0PhyData_t));
5956 sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
5957 if (!sas_iounit_pg0) {
5958 ioc_err(ioc, "failure at %s:%d/%s()!\n",
5959 __FILE__, __LINE__, __func__);
5962 if ((mpt3sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
5963 sas_iounit_pg0, sz)) != 0)
5965 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
5966 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
5969 * Loop over each HBA Phy.
5971 for (i = 0; i < ioc->sas_hba.num_phys; i++) {
5973 * Check whether Phy's Negotiation Link Rate is > 1.5G or not.
5975 if ((sas_iounit_pg0->PhyData[i].NegotiatedLinkRate >> 4) <
5976 MPI2_SAS_NEG_LINK_RATE_1_5)
5979 * Check whether Phy is connected to SEP device or not,
5980 * if it is SEP device then read the Phy's SASPHYPage0 data to
5981 * determine whether Phy is a virtual Phy or not. if it is
5982 * virtual phy then it is conformed that the attached remote
5983 * device is a HBA's vSES device.
5986 sas_iounit_pg0->PhyData[i].ControllerPhyDeviceInfo) &
5987 MPI2_SAS_DEVICE_INFO_SEP))
5990 if ((mpt3sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0,
5992 ioc_err(ioc, "failure at %s:%d/%s()!\n",
5993 __FILE__, __LINE__, __func__);
5997 if (!(le32_to_cpu(phy_pg0.PhyInfo) &
5998 MPI2_SAS_PHYINFO_VIRTUAL_PHY))
6001 * Get the vSES device's SAS Address.
6003 attached_handle = le16_to_cpu(
6004 sas_iounit_pg0->PhyData[i].AttachedDevHandle);
6005 if (_scsih_get_sas_address(ioc, attached_handle,
6006 &attached_sas_addr) != 0) {
6007 ioc_err(ioc, "failure at %s:%d/%s()!\n",
6008 __FILE__, __LINE__, __func__);
6013 port = port_next = NULL;
6015 * Loop over each virtual_phy object from
6016 * each port's vphys_list.
6018 list_for_each_entry_safe(port,
6019 port_next, &ioc->port_table_list, list) {
6020 if (!port->vphys_mask)
6022 list_for_each_entry_safe(vphy, vphy_next,
6023 &port->vphys_list, list) {
6025 * Continue with next virtual_phy object
6026 * if the object is not marked as dirty.
6028 if (!(vphy->flags & MPT_VPHY_FLAG_DIRTY_PHY))
6032 * Continue with next virtual_phy object
6033 * if the object's SAS Address is not equals
6034 * to current Phy's vSES device SAS Address.
6036 if (vphy->sas_address != attached_sas_addr)
6039 * Enable current Phy number bit in object's
6042 if (!(vphy->phy_mask & (1 << i)))
6043 vphy->phy_mask = (1 << i);
6045 * Get hba_port object from hba_port table
6046 * corresponding to current phy's Port ID.
6047 * if there is no hba_port object corresponding
6048 * to Phy's Port ID then create a new hba_port
6049 * object & add to hba_port table.
6051 port_id = sas_iounit_pg0->PhyData[i].Port;
6052 mport = mpt3sas_get_port_by_id(ioc, port_id, 1);
6055 sizeof(struct hba_port), GFP_KERNEL);
6058 mport->port_id = port_id;
6060 "%s: hba_port entry: %p, port: %d is added to hba_port list\n",
6061 __func__, mport, mport->port_id);
6062 list_add_tail(&mport->list,
6063 &ioc->port_table_list);
6066 * If mport & port pointers are not pointing to
6067 * same hba_port object then it means that vSES
6068 * device's Port ID got changed after reset and
6069 * hence move current virtual_phy object from
6070 * port's vphys_list to mport's vphys_list.
6072 if (port != mport) {
6073 if (!mport->vphys_mask)
6075 &mport->vphys_list);
6076 mport->vphys_mask |= (1 << i);
6077 port->vphys_mask &= ~(1 << i);
6078 list_move(&vphy->list,
6079 &mport->vphys_list);
6080 sas_device = mpt3sas_get_sdev_by_addr(
6081 ioc, attached_sas_addr, port);
6083 sas_device->port = mport;
6086 * Earlier while updating the hba_port table,
6087 * it is determined that there is no other
6088 * direct attached device with mport's Port ID,
6089 * Hence mport was marked as dirty. Only vSES
6090 * device has this Port ID, so unmark the mport
6093 if (mport->flags & HBA_PORT_FLAG_DIRTY_PORT) {
6094 mport->sas_address = 0;
6095 mport->phy_mask = 0;
6097 ~HBA_PORT_FLAG_DIRTY_PORT;
6100 * Unmark current virtual_phy object as dirty.
6102 vphy->flags &= ~MPT_VPHY_FLAG_DIRTY_PHY;
6111 kfree(sas_iounit_pg0);
6115 * _scsih_get_port_table_after_reset - Construct temporary port table
6116 * @ioc: per adapter object
6117 * @port_table: address where port table needs to be constructed
6119 * return number of HBA port entries available after reset.
6122 _scsih_get_port_table_after_reset(struct MPT3SAS_ADAPTER *ioc,
6123 struct hba_port *port_table)
6127 Mpi2ConfigReply_t mpi_reply;
6128 Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
6129 u16 attached_handle;
6130 u64 attached_sas_addr;
6131 u8 found = 0, port_count = 0, port_id;
6133 sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys
6134 * sizeof(Mpi2SasIOUnit0PhyData_t));
6135 sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
6136 if (!sas_iounit_pg0) {
6137 ioc_err(ioc, "failure at %s:%d/%s()!\n",
6138 __FILE__, __LINE__, __func__);
6142 if ((mpt3sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
6143 sas_iounit_pg0, sz)) != 0)
6145 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
6146 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
6148 for (i = 0; i < ioc->sas_hba.num_phys; i++) {
6150 if ((sas_iounit_pg0->PhyData[i].NegotiatedLinkRate >> 4) <
6151 MPI2_SAS_NEG_LINK_RATE_1_5)
6154 le16_to_cpu(sas_iounit_pg0->PhyData[i].AttachedDevHandle);
6155 if (_scsih_get_sas_address(
6156 ioc, attached_handle, &attached_sas_addr) != 0) {
6157 ioc_err(ioc, "failure at %s:%d/%s()!\n",
6158 __FILE__, __LINE__, __func__);
6162 for (j = 0; j < port_count; j++) {
6163 port_id = sas_iounit_pg0->PhyData[i].Port;
6164 if (port_table[j].port_id == port_id &&
6165 port_table[j].sas_address == attached_sas_addr) {
6166 port_table[j].phy_mask |= (1 << i);
6175 port_id = sas_iounit_pg0->PhyData[i].Port;
6176 port_table[port_count].port_id = port_id;
6177 port_table[port_count].phy_mask = (1 << i);
6178 port_table[port_count].sas_address = attached_sas_addr;
6182 kfree(sas_iounit_pg0);
6186 enum hba_port_matched_codes {
6188 MATCHED_WITH_ADDR_AND_PHYMASK,
6189 MATCHED_WITH_ADDR_SUBPHYMASK_AND_PORT,
6190 MATCHED_WITH_ADDR_AND_SUBPHYMASK,
6195 * _scsih_look_and_get_matched_port_entry - Get matched hba port entry
6196 * from HBA port table
6197 * @ioc: per adapter object
6198 * @port_entry: hba port entry from temporary port table which needs to be
6199 * searched for matched entry in the HBA port table
6200 * @matched_port_entry: save matched hba port entry here
6201 * @count: count of matched entries
6203 * return type of matched entry found.
6205 static enum hba_port_matched_codes
6206 _scsih_look_and_get_matched_port_entry(struct MPT3SAS_ADAPTER *ioc,
6207 struct hba_port *port_entry,
6208 struct hba_port **matched_port_entry, int *count)
6210 struct hba_port *port_table_entry, *matched_port = NULL;
6211 enum hba_port_matched_codes matched_code = NOT_MATCHED;
6213 *matched_port_entry = NULL;
6215 list_for_each_entry(port_table_entry, &ioc->port_table_list, list) {
6216 if (!(port_table_entry->flags & HBA_PORT_FLAG_DIRTY_PORT))
6219 if ((port_table_entry->sas_address == port_entry->sas_address)
6220 && (port_table_entry->phy_mask == port_entry->phy_mask)) {
6221 matched_code = MATCHED_WITH_ADDR_AND_PHYMASK;
6222 matched_port = port_table_entry;
6226 if ((port_table_entry->sas_address == port_entry->sas_address)
6227 && (port_table_entry->phy_mask & port_entry->phy_mask)
6228 && (port_table_entry->port_id == port_entry->port_id)) {
6229 matched_code = MATCHED_WITH_ADDR_SUBPHYMASK_AND_PORT;
6230 matched_port = port_table_entry;
6234 if ((port_table_entry->sas_address == port_entry->sas_address)
6235 && (port_table_entry->phy_mask & port_entry->phy_mask)) {
6237 MATCHED_WITH_ADDR_SUBPHYMASK_AND_PORT)
6239 matched_code = MATCHED_WITH_ADDR_AND_SUBPHYMASK;
6240 matched_port = port_table_entry;
6244 if (port_table_entry->sas_address == port_entry->sas_address) {
6246 MATCHED_WITH_ADDR_SUBPHYMASK_AND_PORT)
6248 if (matched_code == MATCHED_WITH_ADDR_AND_SUBPHYMASK)
6250 matched_code = MATCHED_WITH_ADDR;
6251 matched_port = port_table_entry;
6256 *matched_port_entry = matched_port;
6257 if (matched_code == MATCHED_WITH_ADDR)
6259 return matched_code;
6263 * _scsih_del_phy_part_of_anther_port - remove phy if it
6264 * is a part of anther port
6265 *@ioc: per adapter object
6266 *@port_table: port table after reset
6267 *@index: hba port entry index
6268 *@port_count: number of ports available after host reset
6269 *@offset: HBA phy bit offset
6273 _scsih_del_phy_part_of_anther_port(struct MPT3SAS_ADAPTER *ioc,
6274 struct hba_port *port_table,
6275 int index, u8 port_count, int offset)
6277 struct _sas_node *sas_node = &ioc->sas_hba;
6280 for (i = 0; i < port_count; i++) {
6284 if (port_table[i].phy_mask & (1 << offset)) {
6285 mpt3sas_transport_del_phy_from_an_existing_port(
6286 ioc, sas_node, &sas_node->phy[offset]);
6292 port_table[index].phy_mask |= (1 << offset);
6296 * _scsih_add_or_del_phys_from_existing_port - add/remove phy to/from
6298 *@ioc: per adapter object
6299 *@hba_port_entry: hba port table entry
6300 *@port_table: temporary port table
6301 *@index: hba port entry index
6302 *@port_count: number of ports available after host reset
6306 _scsih_add_or_del_phys_from_existing_port(struct MPT3SAS_ADAPTER *ioc,
6307 struct hba_port *hba_port_entry, struct hba_port *port_table,
6308 int index, int port_count)
6310 u32 phy_mask, offset = 0;
6311 struct _sas_node *sas_node = &ioc->sas_hba;
6313 phy_mask = hba_port_entry->phy_mask ^ port_table[index].phy_mask;
6315 for (offset = 0; offset < ioc->sas_hba.num_phys; offset++) {
6316 if (phy_mask & (1 << offset)) {
6317 if (!(port_table[index].phy_mask & (1 << offset))) {
6318 _scsih_del_phy_part_of_anther_port(
6319 ioc, port_table, index, port_count,
6323 if (sas_node->phy[offset].phy_belongs_to_port)
6324 mpt3sas_transport_del_phy_from_an_existing_port(
6325 ioc, sas_node, &sas_node->phy[offset]);
6326 mpt3sas_transport_add_phy_to_an_existing_port(
6327 ioc, sas_node, &sas_node->phy[offset],
6328 hba_port_entry->sas_address,
6335 * _scsih_del_dirty_vphy - delete virtual_phy objects marked as dirty.
6336 * @ioc: per adapter object
6341 _scsih_del_dirty_vphy(struct MPT3SAS_ADAPTER *ioc)
6343 struct hba_port *port, *port_next;
6344 struct virtual_phy *vphy, *vphy_next;
6346 list_for_each_entry_safe(port, port_next,
6347 &ioc->port_table_list, list) {
6348 if (!port->vphys_mask)
6350 list_for_each_entry_safe(vphy, vphy_next,
6351 &port->vphys_list, list) {
6352 if (vphy->flags & MPT_VPHY_FLAG_DIRTY_PHY) {
6353 drsprintk(ioc, ioc_info(ioc,
6354 "Deleting vphy %p entry from port id: %d\t, Phy_mask 0x%08x\n",
6355 vphy, port->port_id,
6357 port->vphys_mask &= ~vphy->phy_mask;
6358 list_del(&vphy->list);
6362 if (!port->vphys_mask && !port->sas_address)
6363 port->flags |= HBA_PORT_FLAG_DIRTY_PORT;
6368 * _scsih_del_dirty_port_entries - delete dirty port entries from port list
6370 *@ioc: per adapter object
6374 _scsih_del_dirty_port_entries(struct MPT3SAS_ADAPTER *ioc)
6376 struct hba_port *port, *port_next;
6378 list_for_each_entry_safe(port, port_next,
6379 &ioc->port_table_list, list) {
6380 if (!(port->flags & HBA_PORT_FLAG_DIRTY_PORT) ||
6381 port->flags & HBA_PORT_FLAG_NEW_PORT)
6384 drsprintk(ioc, ioc_info(ioc,
6385 "Deleting port table entry %p having Port: %d\t Phy_mask 0x%08x\n",
6386 port, port->port_id, port->phy_mask));
6387 list_del(&port->list);
6393 * _scsih_sas_port_refresh - Update HBA port table after host reset
6394 * @ioc: per adapter object
6397 _scsih_sas_port_refresh(struct MPT3SAS_ADAPTER *ioc)
6400 struct hba_port *port_table;
6401 struct hba_port *port_table_entry;
6402 struct hba_port *port_entry = NULL;
6403 int i, j, count = 0, lcount = 0;
6407 drsprintk(ioc, ioc_info(ioc,
6408 "updating ports for sas_host(0x%016llx)\n",
6409 (unsigned long long)ioc->sas_hba.sas_address));
6411 port_table = kcalloc(ioc->sas_hba.num_phys,
6412 sizeof(struct hba_port), GFP_KERNEL);
6416 port_count = _scsih_get_port_table_after_reset(ioc, port_table);
6420 drsprintk(ioc, ioc_info(ioc, "New Port table\n"));
6421 for (j = 0; j < port_count; j++)
6422 drsprintk(ioc, ioc_info(ioc,
6423 "Port: %d\t Phy_mask 0x%08x\t sas_addr(0x%016llx)\n",
6424 port_table[j].port_id,
6425 port_table[j].phy_mask, port_table[j].sas_address));
6427 list_for_each_entry(port_table_entry, &ioc->port_table_list, list)
6428 port_table_entry->flags |= HBA_PORT_FLAG_DIRTY_PORT;
6430 drsprintk(ioc, ioc_info(ioc, "Old Port table\n"));
6431 port_table_entry = NULL;
6432 list_for_each_entry(port_table_entry, &ioc->port_table_list, list) {
6433 drsprintk(ioc, ioc_info(ioc,
6434 "Port: %d\t Phy_mask 0x%08x\t sas_addr(0x%016llx)\n",
6435 port_table_entry->port_id,
6436 port_table_entry->phy_mask,
6437 port_table_entry->sas_address));
6440 for (j = 0; j < port_count; j++) {
6441 ret = _scsih_look_and_get_matched_port_entry(ioc,
6442 &port_table[j], &port_entry, &count);
6444 drsprintk(ioc, ioc_info(ioc,
6445 "No Matched entry for sas_addr(0x%16llx), Port:%d\n",
6446 port_table[j].sas_address,
6447 port_table[j].port_id));
6452 case MATCHED_WITH_ADDR_SUBPHYMASK_AND_PORT:
6453 case MATCHED_WITH_ADDR_AND_SUBPHYMASK:
6454 _scsih_add_or_del_phys_from_existing_port(ioc,
6455 port_entry, port_table, j, port_count);
6457 case MATCHED_WITH_ADDR:
6458 sas_addr = port_table[j].sas_address;
6459 for (i = 0; i < port_count; i++) {
6460 if (port_table[i].sas_address == sas_addr)
6464 if (count > 1 || lcount > 1)
6467 _scsih_add_or_del_phys_from_existing_port(ioc,
6468 port_entry, port_table, j, port_count);
6474 if (port_entry->port_id != port_table[j].port_id)
6475 port_entry->port_id = port_table[j].port_id;
6476 port_entry->flags &= ~HBA_PORT_FLAG_DIRTY_PORT;
6477 port_entry->phy_mask = port_table[j].phy_mask;
6480 port_table_entry = NULL;
6484 * _scsih_alloc_vphy - allocate virtual_phy object
6485 * @ioc: per adapter object
6486 * @port_id: Port ID number
6487 * @phy_num: HBA Phy number
6489 * Returns allocated virtual_phy object.
6491 static struct virtual_phy *
6492 _scsih_alloc_vphy(struct MPT3SAS_ADAPTER *ioc, u8 port_id, u8 phy_num)
6494 struct virtual_phy *vphy;
6495 struct hba_port *port;
6497 port = mpt3sas_get_port_by_id(ioc, port_id, 0);
6501 vphy = mpt3sas_get_vphy_by_phy(ioc, port, phy_num);
6503 vphy = kzalloc(sizeof(struct virtual_phy), GFP_KERNEL);
6507 if (!port->vphys_mask)
6508 INIT_LIST_HEAD(&port->vphys_list);
6511 * Enable bit corresponding to HBA phy number on its
6512 * parent hba_port object's vphys_mask field.
6514 port->vphys_mask |= (1 << phy_num);
6515 vphy->phy_mask |= (1 << phy_num);
6517 list_add_tail(&vphy->list, &port->vphys_list);
6520 "vphy entry: %p, port id: %d, phy:%d is added to port's vphys_list\n",
6521 vphy, port->port_id, phy_num);
6527 * _scsih_sas_host_refresh - refreshing sas host object contents
6528 * @ioc: per adapter object
6531 * During port enable, fw will send topology events for every device. Its
6532 * possible that the handles may change from the previous setting, so this
6533 * code keeping handles updating if changed.
6536 _scsih_sas_host_refresh(struct MPT3SAS_ADAPTER *ioc)
6541 Mpi2ConfigReply_t mpi_reply;
6542 Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
6543 u16 attached_handle;
6544 u8 link_rate, port_id;
6545 struct hba_port *port;
6546 Mpi2SasPhyPage0_t phy_pg0;
6549 ioc_info(ioc, "updating handles for sas_host(0x%016llx)\n",
6550 (u64)ioc->sas_hba.sas_address));
6552 sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys
6553 * sizeof(Mpi2SasIOUnit0PhyData_t));
6554 sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
6555 if (!sas_iounit_pg0) {
6556 ioc_err(ioc, "failure at %s:%d/%s()!\n",
6557 __FILE__, __LINE__, __func__);
6561 if ((mpt3sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
6562 sas_iounit_pg0, sz)) != 0)
6564 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
6565 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
6567 for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
6568 link_rate = sas_iounit_pg0->PhyData[i].NegotiatedLinkRate >> 4;
6570 ioc->sas_hba.handle = le16_to_cpu(
6571 sas_iounit_pg0->PhyData[0].ControllerDevHandle);
6572 port_id = sas_iounit_pg0->PhyData[i].Port;
6573 if (!(mpt3sas_get_port_by_id(ioc, port_id, 0))) {
6574 port = kzalloc(sizeof(struct hba_port), GFP_KERNEL);
6578 port->port_id = port_id;
6580 "hba_port entry: %p, port: %d is added to hba_port list\n",
6581 port, port->port_id);
6582 if (ioc->shost_recovery)
6583 port->flags = HBA_PORT_FLAG_NEW_PORT;
6584 list_add_tail(&port->list, &ioc->port_table_list);
6587 * Check whether current Phy belongs to HBA vSES device or not.
6589 if (le32_to_cpu(sas_iounit_pg0->PhyData[i].ControllerPhyDeviceInfo) &
6590 MPI2_SAS_DEVICE_INFO_SEP &&
6591 (link_rate >= MPI2_SAS_NEG_LINK_RATE_1_5)) {
6592 if ((mpt3sas_config_get_phy_pg0(ioc, &mpi_reply,
6595 "failure at %s:%d/%s()!\n",
6596 __FILE__, __LINE__, __func__);
6599 if (!(le32_to_cpu(phy_pg0.PhyInfo) &
6600 MPI2_SAS_PHYINFO_VIRTUAL_PHY))
6603 * Allocate a virtual_phy object for vSES device, if
6604 * this vSES device is hot added.
6606 if (!_scsih_alloc_vphy(ioc, port_id, i))
6608 ioc->sas_hba.phy[i].hba_vphy = 1;
6611 ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
6612 attached_handle = le16_to_cpu(sas_iounit_pg0->PhyData[i].
6614 if (attached_handle && link_rate < MPI2_SAS_NEG_LINK_RATE_1_5)
6615 link_rate = MPI2_SAS_NEG_LINK_RATE_1_5;
6616 ioc->sas_hba.phy[i].port =
6617 mpt3sas_get_port_by_id(ioc, port_id, 0);
6618 mpt3sas_transport_update_links(ioc, ioc->sas_hba.sas_address,
6619 attached_handle, i, link_rate,
6620 ioc->sas_hba.phy[i].port);
6623 kfree(sas_iounit_pg0);
6627 * _scsih_sas_host_add - create sas host object
6628 * @ioc: per adapter object
6630 * Creating host side data object, stored in ioc->sas_hba
6633 _scsih_sas_host_add(struct MPT3SAS_ADAPTER *ioc)
6636 Mpi2ConfigReply_t mpi_reply;
6637 Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
6638 Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
6639 Mpi2SasPhyPage0_t phy_pg0;
6640 Mpi2SasDevicePage0_t sas_device_pg0;
6641 Mpi2SasEnclosurePage0_t enclosure_pg0;
6644 u8 device_missing_delay;
6645 u8 num_phys, port_id;
6646 struct hba_port *port;
6648 mpt3sas_config_get_number_hba_phys(ioc, &num_phys);
6650 ioc_err(ioc, "failure at %s:%d/%s()!\n",
6651 __FILE__, __LINE__, __func__);
6654 ioc->sas_hba.phy = kcalloc(num_phys,
6655 sizeof(struct _sas_phy), GFP_KERNEL);
6656 if (!ioc->sas_hba.phy) {
6657 ioc_err(ioc, "failure at %s:%d/%s()!\n",
6658 __FILE__, __LINE__, __func__);
6661 ioc->sas_hba.num_phys = num_phys;
6663 /* sas_iounit page 0 */
6664 sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys *
6665 sizeof(Mpi2SasIOUnit0PhyData_t));
6666 sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
6667 if (!sas_iounit_pg0) {
6668 ioc_err(ioc, "failure at %s:%d/%s()!\n",
6669 __FILE__, __LINE__, __func__);
6672 if ((mpt3sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
6673 sas_iounit_pg0, sz))) {
6674 ioc_err(ioc, "failure at %s:%d/%s()!\n",
6675 __FILE__, __LINE__, __func__);
6678 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
6679 MPI2_IOCSTATUS_MASK;
6680 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6681 ioc_err(ioc, "failure at %s:%d/%s()!\n",
6682 __FILE__, __LINE__, __func__);
6686 /* sas_iounit page 1 */
6687 sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys *
6688 sizeof(Mpi2SasIOUnit1PhyData_t));
6689 sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
6690 if (!sas_iounit_pg1) {
6691 ioc_err(ioc, "failure at %s:%d/%s()!\n",
6692 __FILE__, __LINE__, __func__);
6695 if ((mpt3sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
6696 sas_iounit_pg1, sz))) {
6697 ioc_err(ioc, "failure at %s:%d/%s()!\n",
6698 __FILE__, __LINE__, __func__);
6701 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
6702 MPI2_IOCSTATUS_MASK;
6703 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6704 ioc_err(ioc, "failure at %s:%d/%s()!\n",
6705 __FILE__, __LINE__, __func__);
6709 ioc->io_missing_delay =
6710 sas_iounit_pg1->IODeviceMissingDelay;
6711 device_missing_delay =
6712 sas_iounit_pg1->ReportDeviceMissingDelay;
6713 if (device_missing_delay & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
6714 ioc->device_missing_delay = (device_missing_delay &
6715 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
6717 ioc->device_missing_delay = device_missing_delay &
6718 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
6720 ioc->sas_hba.parent_dev = &ioc->shost->shost_gendev;
6721 for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
6722 if ((mpt3sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0,
6724 ioc_err(ioc, "failure at %s:%d/%s()!\n",
6725 __FILE__, __LINE__, __func__);
6728 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
6729 MPI2_IOCSTATUS_MASK;
6730 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6731 ioc_err(ioc, "failure at %s:%d/%s()!\n",
6732 __FILE__, __LINE__, __func__);
6737 ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0->
6738 PhyData[0].ControllerDevHandle);
6740 port_id = sas_iounit_pg0->PhyData[i].Port;
6741 if (!(mpt3sas_get_port_by_id(ioc, port_id, 0))) {
6742 port = kzalloc(sizeof(struct hba_port), GFP_KERNEL);
6746 port->port_id = port_id;
6748 "hba_port entry: %p, port: %d is added to hba_port list\n",
6749 port, port->port_id);
6750 list_add_tail(&port->list,
6751 &ioc->port_table_list);
6755 * Check whether current Phy belongs to HBA vSES device or not.
6757 if ((le32_to_cpu(phy_pg0.PhyInfo) &
6758 MPI2_SAS_PHYINFO_VIRTUAL_PHY) &&
6759 (phy_pg0.NegotiatedLinkRate >> 4) >=
6760 MPI2_SAS_NEG_LINK_RATE_1_5) {
6762 * Allocate a virtual_phy object for vSES device.
6764 if (!_scsih_alloc_vphy(ioc, port_id, i))
6766 ioc->sas_hba.phy[i].hba_vphy = 1;
6769 ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
6770 ioc->sas_hba.phy[i].phy_id = i;
6771 ioc->sas_hba.phy[i].port =
6772 mpt3sas_get_port_by_id(ioc, port_id, 0);
6773 mpt3sas_transport_add_host_phy(ioc, &ioc->sas_hba.phy[i],
6774 phy_pg0, ioc->sas_hba.parent_dev);
6776 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
6777 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, ioc->sas_hba.handle))) {
6778 ioc_err(ioc, "failure at %s:%d/%s()!\n",
6779 __FILE__, __LINE__, __func__);
6782 ioc->sas_hba.enclosure_handle =
6783 le16_to_cpu(sas_device_pg0.EnclosureHandle);
6784 ioc->sas_hba.sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
6785 ioc_info(ioc, "host_add: handle(0x%04x), sas_addr(0x%016llx), phys(%d)\n",
6786 ioc->sas_hba.handle,
6787 (u64)ioc->sas_hba.sas_address,
6788 ioc->sas_hba.num_phys);
6790 if (ioc->sas_hba.enclosure_handle) {
6791 if (!(mpt3sas_config_get_enclosure_pg0(ioc, &mpi_reply,
6792 &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
6793 ioc->sas_hba.enclosure_handle)))
6794 ioc->sas_hba.enclosure_logical_id =
6795 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
6799 kfree(sas_iounit_pg1);
6800 kfree(sas_iounit_pg0);
6804 * _scsih_expander_add - creating expander object
6805 * @ioc: per adapter object
6806 * @handle: expander handle
6808 * Creating expander object, stored in ioc->sas_expander_list.
6810 * Return: 0 for success, else error.
6813 _scsih_expander_add(struct MPT3SAS_ADAPTER *ioc, u16 handle)
6815 struct _sas_node *sas_expander;
6816 struct _enclosure_node *enclosure_dev;
6817 Mpi2ConfigReply_t mpi_reply;
6818 Mpi2ExpanderPage0_t expander_pg0;
6819 Mpi2ExpanderPage1_t expander_pg1;
6822 u64 sas_address, sas_address_parent = 0;
6824 unsigned long flags;
6825 struct _sas_port *mpt3sas_port = NULL;
6833 if (ioc->shost_recovery || ioc->pci_error_recovery)
6836 if ((mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
6837 MPI2_SAS_EXPAND_PGAD_FORM_HNDL, handle))) {
6838 ioc_err(ioc, "failure at %s:%d/%s()!\n",
6839 __FILE__, __LINE__, __func__);
6843 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
6844 MPI2_IOCSTATUS_MASK;
6845 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6846 ioc_err(ioc, "failure at %s:%d/%s()!\n",
6847 __FILE__, __LINE__, __func__);
6851 /* handle out of order topology events */
6852 parent_handle = le16_to_cpu(expander_pg0.ParentDevHandle);
6853 if (_scsih_get_sas_address(ioc, parent_handle, &sas_address_parent)
6855 ioc_err(ioc, "failure at %s:%d/%s()!\n",
6856 __FILE__, __LINE__, __func__);
6860 port_id = expander_pg0.PhysicalPort;
6861 if (sas_address_parent != ioc->sas_hba.sas_address) {
6862 spin_lock_irqsave(&ioc->sas_node_lock, flags);
6863 sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc,
6865 mpt3sas_get_port_by_id(ioc, port_id, 0));
6866 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
6867 if (!sas_expander) {
6868 rc = _scsih_expander_add(ioc, parent_handle);
6874 spin_lock_irqsave(&ioc->sas_node_lock, flags);
6875 sas_address = le64_to_cpu(expander_pg0.SASAddress);
6876 sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc,
6877 sas_address, mpt3sas_get_port_by_id(ioc, port_id, 0));
6878 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
6883 sas_expander = kzalloc(sizeof(struct _sas_node),
6885 if (!sas_expander) {
6886 ioc_err(ioc, "failure at %s:%d/%s()!\n",
6887 __FILE__, __LINE__, __func__);
6891 sas_expander->handle = handle;
6892 sas_expander->num_phys = expander_pg0.NumPhys;
6893 sas_expander->sas_address_parent = sas_address_parent;
6894 sas_expander->sas_address = sas_address;
6895 sas_expander->port = mpt3sas_get_port_by_id(ioc, port_id, 0);
6896 if (!sas_expander->port) {
6897 ioc_err(ioc, "failure at %s:%d/%s()!\n",
6898 __FILE__, __LINE__, __func__);
6903 ioc_info(ioc, "expander_add: handle(0x%04x), parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n",
6904 handle, parent_handle,
6905 (u64)sas_expander->sas_address, sas_expander->num_phys);
6907 if (!sas_expander->num_phys) {
6911 sas_expander->phy = kcalloc(sas_expander->num_phys,
6912 sizeof(struct _sas_phy), GFP_KERNEL);
6913 if (!sas_expander->phy) {
6914 ioc_err(ioc, "failure at %s:%d/%s()!\n",
6915 __FILE__, __LINE__, __func__);
6920 INIT_LIST_HEAD(&sas_expander->sas_port_list);
6921 mpt3sas_port = mpt3sas_transport_port_add(ioc, handle,
6922 sas_address_parent, sas_expander->port);
6923 if (!mpt3sas_port) {
6924 ioc_err(ioc, "failure at %s:%d/%s()!\n",
6925 __FILE__, __LINE__, __func__);
6929 sas_expander->parent_dev = &mpt3sas_port->rphy->dev;
6930 sas_expander->rphy = mpt3sas_port->rphy;
6932 for (i = 0 ; i < sas_expander->num_phys ; i++) {
6933 if ((mpt3sas_config_get_expander_pg1(ioc, &mpi_reply,
6934 &expander_pg1, i, handle))) {
6935 ioc_err(ioc, "failure at %s:%d/%s()!\n",
6936 __FILE__, __LINE__, __func__);
6940 sas_expander->phy[i].handle = handle;
6941 sas_expander->phy[i].phy_id = i;
6942 sas_expander->phy[i].port =
6943 mpt3sas_get_port_by_id(ioc, port_id, 0);
6945 if ((mpt3sas_transport_add_expander_phy(ioc,
6946 &sas_expander->phy[i], expander_pg1,
6947 sas_expander->parent_dev))) {
6948 ioc_err(ioc, "failure at %s:%d/%s()!\n",
6949 __FILE__, __LINE__, __func__);
6955 if (sas_expander->enclosure_handle) {
6957 mpt3sas_scsih_enclosure_find_by_handle(ioc,
6958 sas_expander->enclosure_handle);
6960 sas_expander->enclosure_logical_id =
6961 le64_to_cpu(enclosure_dev->pg0.EnclosureLogicalID);
6964 _scsih_expander_node_add(ioc, sas_expander);
6970 mpt3sas_transport_port_remove(ioc, sas_expander->sas_address,
6971 sas_address_parent, sas_expander->port);
6972 kfree(sas_expander);
6977 * mpt3sas_expander_remove - removing expander object
6978 * @ioc: per adapter object
6979 * @sas_address: expander sas_address
6980 * @port: hba port entry
6983 mpt3sas_expander_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
6984 struct hba_port *port)
6986 struct _sas_node *sas_expander;
6987 unsigned long flags;
6989 if (ioc->shost_recovery)
6995 spin_lock_irqsave(&ioc->sas_node_lock, flags);
6996 sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc,
6998 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
7000 _scsih_expander_node_remove(ioc, sas_expander);
7004 * _scsih_done - internal SCSI_IO callback handler.
7005 * @ioc: per adapter object
7006 * @smid: system request message index
7007 * @msix_index: MSIX table index supplied by the OS
7008 * @reply: reply message frame(lower 32bit addr)
7010 * Callback handler when sending internal generated SCSI_IO.
7011 * The callback index passed is `ioc->scsih_cb_idx`
7013 * Return: 1 meaning mf should be freed from _base_interrupt
7014 * 0 means the mf is freed from this function.
7017 _scsih_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
7019 MPI2DefaultReply_t *mpi_reply;
7021 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
7022 if (ioc->scsih_cmds.status == MPT3_CMD_NOT_USED)
7024 if (ioc->scsih_cmds.smid != smid)
7026 ioc->scsih_cmds.status |= MPT3_CMD_COMPLETE;
7028 memcpy(ioc->scsih_cmds.reply, mpi_reply,
7029 mpi_reply->MsgLength*4);
7030 ioc->scsih_cmds.status |= MPT3_CMD_REPLY_VALID;
7032 ioc->scsih_cmds.status &= ~MPT3_CMD_PENDING;
7033 complete(&ioc->scsih_cmds.done);
7040 #define MPT3_MAX_LUNS (255)
7044 * _scsih_check_access_status - check access flags
7045 * @ioc: per adapter object
7046 * @sas_address: sas address
7047 * @handle: sas device handle
7048 * @access_status: errors returned during discovery of the device
7050 * Return: 0 for success, else failure
7053 _scsih_check_access_status(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
7054 u16 handle, u8 access_status)
7059 switch (access_status) {
7060 case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS:
7061 case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION:
7064 case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED:
7065 desc = "sata capability failed";
7067 case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT:
7068 desc = "sata affiliation conflict";
7070 case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE:
7071 desc = "route not addressable";
7073 case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE:
7074 desc = "smp error not addressable";
7076 case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED:
7077 desc = "device blocked";
7079 case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED:
7080 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN:
7081 case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT:
7082 case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG:
7083 case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION:
7084 case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER:
7085 case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN:
7086 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN:
7087 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN:
7088 case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION:
7089 case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE:
7090 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX:
7091 desc = "sata initialization failed";
7101 ioc_err(ioc, "discovery errors(%s): sas_address(0x%016llx), handle(0x%04x)\n",
7102 desc, (u64)sas_address, handle);
7107 * _scsih_check_device - checking device responsiveness
7108 * @ioc: per adapter object
7109 * @parent_sas_address: sas address of parent expander or sas host
7110 * @handle: attached device handle
7111 * @phy_number: phy number
7112 * @link_rate: new link rate
7115 _scsih_check_device(struct MPT3SAS_ADAPTER *ioc,
7116 u64 parent_sas_address, u16 handle, u8 phy_number, u8 link_rate)
7118 Mpi2ConfigReply_t mpi_reply;
7119 Mpi2SasDevicePage0_t sas_device_pg0;
7120 struct _sas_device *sas_device = NULL;
7121 struct _enclosure_node *enclosure_dev = NULL;
7123 unsigned long flags;
7125 struct scsi_target *starget;
7126 struct MPT3SAS_TARGET *sas_target_priv_data;
7128 struct hba_port *port;
7130 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
7131 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle)))
7134 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
7135 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
7138 /* wide port handling ~ we need only handle device once for the phy that
7139 * is matched in sas device page zero
7141 if (phy_number != sas_device_pg0.PhyNum)
7144 /* check if this is end device */
7145 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
7146 if (!(_scsih_is_end_device(device_info)))
7149 spin_lock_irqsave(&ioc->sas_device_lock, flags);
7150 sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
7151 port = mpt3sas_get_port_by_id(ioc, sas_device_pg0.PhysicalPort, 0);
7154 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
7160 if (unlikely(sas_device->handle != handle)) {
7161 starget = sas_device->starget;
7162 sas_target_priv_data = starget->hostdata;
7163 starget_printk(KERN_INFO, starget,
7164 "handle changed from(0x%04x) to (0x%04x)!!!\n",
7165 sas_device->handle, handle);
7166 sas_target_priv_data->handle = handle;
7167 sas_device->handle = handle;
7168 if (le16_to_cpu(sas_device_pg0.Flags) &
7169 MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
7170 sas_device->enclosure_level =
7171 sas_device_pg0.EnclosureLevel;
7172 memcpy(sas_device->connector_name,
7173 sas_device_pg0.ConnectorName, 4);
7174 sas_device->connector_name[4] = '\0';
7176 sas_device->enclosure_level = 0;
7177 sas_device->connector_name[0] = '\0';
7180 sas_device->enclosure_handle =
7181 le16_to_cpu(sas_device_pg0.EnclosureHandle);
7182 sas_device->is_chassis_slot_valid = 0;
7183 enclosure_dev = mpt3sas_scsih_enclosure_find_by_handle(ioc,
7184 sas_device->enclosure_handle);
7185 if (enclosure_dev) {
7186 sas_device->enclosure_logical_id =
7187 le64_to_cpu(enclosure_dev->pg0.EnclosureLogicalID);
7188 if (le16_to_cpu(enclosure_dev->pg0.Flags) &
7189 MPI2_SAS_ENCLS0_FLAGS_CHASSIS_SLOT_VALID) {
7190 sas_device->is_chassis_slot_valid = 1;
7191 sas_device->chassis_slot =
7192 enclosure_dev->pg0.ChassisSlot;
7197 /* check if device is present */
7198 if (!(le16_to_cpu(sas_device_pg0.Flags) &
7199 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
7200 ioc_err(ioc, "device is not present handle(0x%04x), flags!!!\n",
7205 /* check if there were any issues with discovery */
7206 if (_scsih_check_access_status(ioc, sas_address, handle,
7207 sas_device_pg0.AccessStatus))
7210 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
7211 _scsih_ublock_io_device(ioc, sas_address, port);
7214 sas_device_put(sas_device);
7218 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
7220 sas_device_put(sas_device);
7224 * _scsih_add_device - creating sas device object
7225 * @ioc: per adapter object
7226 * @handle: sas device handle
7227 * @phy_num: phy number end device attached to
7228 * @is_pd: is this hidden raid component
7230 * Creating end device object, stored in ioc->sas_device_list.
7232 * Return: 0 for success, non-zero for failure.
7235 _scsih_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phy_num,
7238 Mpi2ConfigReply_t mpi_reply;
7239 Mpi2SasDevicePage0_t sas_device_pg0;
7240 struct _sas_device *sas_device;
7241 struct _enclosure_node *enclosure_dev = NULL;
7247 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
7248 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
7249 ioc_err(ioc, "failure at %s:%d/%s()!\n",
7250 __FILE__, __LINE__, __func__);
7254 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7255 MPI2_IOCSTATUS_MASK;
7256 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7257 ioc_err(ioc, "failure at %s:%d/%s()!\n",
7258 __FILE__, __LINE__, __func__);
7262 /* check if this is end device */
7263 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
7264 if (!(_scsih_is_end_device(device_info)))
7266 set_bit(handle, ioc->pend_os_device_add);
7267 sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
7269 /* check if device is present */
7270 if (!(le16_to_cpu(sas_device_pg0.Flags) &
7271 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
7272 ioc_err(ioc, "device is not present handle(0x04%x)!!!\n",
7277 /* check if there were any issues with discovery */
7278 if (_scsih_check_access_status(ioc, sas_address, handle,
7279 sas_device_pg0.AccessStatus))
7282 port_id = sas_device_pg0.PhysicalPort;
7283 sas_device = mpt3sas_get_sdev_by_addr(ioc,
7284 sas_address, mpt3sas_get_port_by_id(ioc, port_id, 0));
7286 clear_bit(handle, ioc->pend_os_device_add);
7287 sas_device_put(sas_device);
7291 if (sas_device_pg0.EnclosureHandle) {
7293 mpt3sas_scsih_enclosure_find_by_handle(ioc,
7294 le16_to_cpu(sas_device_pg0.EnclosureHandle));
7295 if (enclosure_dev == NULL)
7296 ioc_info(ioc, "Enclosure handle(0x%04x) doesn't match with enclosure device!\n",
7297 sas_device_pg0.EnclosureHandle);
7300 sas_device = kzalloc(sizeof(struct _sas_device),
7303 ioc_err(ioc, "failure at %s:%d/%s()!\n",
7304 __FILE__, __LINE__, __func__);
7308 kref_init(&sas_device->refcount);
7309 sas_device->handle = handle;
7310 if (_scsih_get_sas_address(ioc,
7311 le16_to_cpu(sas_device_pg0.ParentDevHandle),
7312 &sas_device->sas_address_parent) != 0)
7313 ioc_err(ioc, "failure at %s:%d/%s()!\n",
7314 __FILE__, __LINE__, __func__);
7315 sas_device->enclosure_handle =
7316 le16_to_cpu(sas_device_pg0.EnclosureHandle);
7317 if (sas_device->enclosure_handle != 0)
7319 le16_to_cpu(sas_device_pg0.Slot);
7320 sas_device->device_info = device_info;
7321 sas_device->sas_address = sas_address;
7322 sas_device->phy = sas_device_pg0.PhyNum;
7323 sas_device->fast_path = (le16_to_cpu(sas_device_pg0.Flags) &
7324 MPI25_SAS_DEVICE0_FLAGS_FAST_PATH_CAPABLE) ? 1 : 0;
7325 sas_device->port = mpt3sas_get_port_by_id(ioc, port_id, 0);
7326 if (!sas_device->port) {
7327 ioc_err(ioc, "failure at %s:%d/%s()!\n",
7328 __FILE__, __LINE__, __func__);
7332 if (le16_to_cpu(sas_device_pg0.Flags)
7333 & MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
7334 sas_device->enclosure_level =
7335 sas_device_pg0.EnclosureLevel;
7336 memcpy(sas_device->connector_name,
7337 sas_device_pg0.ConnectorName, 4);
7338 sas_device->connector_name[4] = '\0';
7340 sas_device->enclosure_level = 0;
7341 sas_device->connector_name[0] = '\0';
7343 /* get enclosure_logical_id & chassis_slot*/
7344 sas_device->is_chassis_slot_valid = 0;
7345 if (enclosure_dev) {
7346 sas_device->enclosure_logical_id =
7347 le64_to_cpu(enclosure_dev->pg0.EnclosureLogicalID);
7348 if (le16_to_cpu(enclosure_dev->pg0.Flags) &
7349 MPI2_SAS_ENCLS0_FLAGS_CHASSIS_SLOT_VALID) {
7350 sas_device->is_chassis_slot_valid = 1;
7351 sas_device->chassis_slot =
7352 enclosure_dev->pg0.ChassisSlot;
7356 /* get device name */
7357 sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName);
7358 sas_device->port_type = sas_device_pg0.MaxPortConnections;
7360 "handle(0x%0x) sas_address(0x%016llx) port_type(0x%0x)\n",
7361 handle, sas_device->sas_address, sas_device->port_type);
7363 if (ioc->wait_for_discovery_to_complete)
7364 _scsih_sas_device_init_add(ioc, sas_device);
7366 _scsih_sas_device_add(ioc, sas_device);
7369 sas_device_put(sas_device);
7374 * _scsih_remove_device - removing sas device object
7375 * @ioc: per adapter object
7376 * @sas_device: the sas_device object
7379 _scsih_remove_device(struct MPT3SAS_ADAPTER *ioc,
7380 struct _sas_device *sas_device)
7382 struct MPT3SAS_TARGET *sas_target_priv_data;
7384 if ((ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) &&
7385 (sas_device->pfa_led_on)) {
7386 _scsih_turn_off_pfa_led(ioc, sas_device);
7387 sas_device->pfa_led_on = 0;
7391 ioc_info(ioc, "%s: enter: handle(0x%04x), sas_addr(0x%016llx)\n",
7393 sas_device->handle, (u64)sas_device->sas_address));
7395 dewtprintk(ioc, _scsih_display_enclosure_chassis_info(ioc, sas_device,
7398 if (sas_device->starget && sas_device->starget->hostdata) {
7399 sas_target_priv_data = sas_device->starget->hostdata;
7400 sas_target_priv_data->deleted = 1;
7401 _scsih_ublock_io_device(ioc, sas_device->sas_address,
7403 sas_target_priv_data->handle =
7404 MPT3SAS_INVALID_DEVICE_HANDLE;
7407 if (!ioc->hide_drives)
7408 mpt3sas_transport_port_remove(ioc,
7409 sas_device->sas_address,
7410 sas_device->sas_address_parent,
7413 ioc_info(ioc, "removing handle(0x%04x), sas_addr(0x%016llx)\n",
7414 sas_device->handle, (u64)sas_device->sas_address);
7416 _scsih_display_enclosure_chassis_info(ioc, sas_device, NULL, NULL);
7419 ioc_info(ioc, "%s: exit: handle(0x%04x), sas_addr(0x%016llx)\n",
7421 sas_device->handle, (u64)sas_device->sas_address));
7422 dewtprintk(ioc, _scsih_display_enclosure_chassis_info(ioc, sas_device,
7427 * _scsih_sas_topology_change_event_debug - debug for topology event
7428 * @ioc: per adapter object
7429 * @event_data: event data payload
7433 _scsih_sas_topology_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
7434 Mpi2EventDataSasTopologyChangeList_t *event_data)
7440 char *status_str = NULL;
7441 u8 link_rate, prev_link_rate;
7443 switch (event_data->ExpStatus) {
7444 case MPI2_EVENT_SAS_TOPO_ES_ADDED:
7447 case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING:
7448 status_str = "remove";
7450 case MPI2_EVENT_SAS_TOPO_ES_RESPONDING:
7452 status_str = "responding";
7454 case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING:
7455 status_str = "remove delay";
7458 status_str = "unknown status";
7461 ioc_info(ioc, "sas topology change: (%s)\n", status_str);
7462 pr_info("\thandle(0x%04x), enclosure_handle(0x%04x) " \
7463 "start_phy(%02d), count(%d)\n",
7464 le16_to_cpu(event_data->ExpanderDevHandle),
7465 le16_to_cpu(event_data->EnclosureHandle),
7466 event_data->StartPhyNum, event_data->NumEntries);
7467 for (i = 0; i < event_data->NumEntries; i++) {
7468 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
7471 phy_number = event_data->StartPhyNum + i;
7472 reason_code = event_data->PHY[i].PhyStatus &
7473 MPI2_EVENT_SAS_TOPO_RC_MASK;
7474 switch (reason_code) {
7475 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
7476 status_str = "target add";
7478 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
7479 status_str = "target remove";
7481 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
7482 status_str = "delay target remove";
7484 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
7485 status_str = "link rate change";
7487 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
7488 status_str = "target responding";
7491 status_str = "unknown";
7494 link_rate = event_data->PHY[i].LinkRate >> 4;
7495 prev_link_rate = event_data->PHY[i].LinkRate & 0xF;
7496 pr_info("\tphy(%02d), attached_handle(0x%04x): %s:" \
7497 " link rate: new(0x%02x), old(0x%02x)\n", phy_number,
7498 handle, status_str, link_rate, prev_link_rate);
7504 * _scsih_sas_topology_change_event - handle topology changes
7505 * @ioc: per adapter object
7506 * @fw_event: The fw_event_work object
7511 _scsih_sas_topology_change_event(struct MPT3SAS_ADAPTER *ioc,
7512 struct fw_event_work *fw_event)
7515 u16 parent_handle, handle;
7517 u8 phy_number, max_phys;
7518 struct _sas_node *sas_expander;
7520 unsigned long flags;
7521 u8 link_rate, prev_link_rate;
7522 struct hba_port *port;
7523 Mpi2EventDataSasTopologyChangeList_t *event_data =
7524 (Mpi2EventDataSasTopologyChangeList_t *)
7525 fw_event->event_data;
7527 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
7528 _scsih_sas_topology_change_event_debug(ioc, event_data);
7530 if (ioc->shost_recovery || ioc->remove_host || ioc->pci_error_recovery)
7533 if (!ioc->sas_hba.num_phys)
7534 _scsih_sas_host_add(ioc);
7536 _scsih_sas_host_refresh(ioc);
7538 if (fw_event->ignore) {
7539 dewtprintk(ioc, ioc_info(ioc, "ignoring expander event\n"));
7543 parent_handle = le16_to_cpu(event_data->ExpanderDevHandle);
7544 port = mpt3sas_get_port_by_id(ioc, event_data->PhysicalPort, 0);
7546 /* handle expander add */
7547 if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_ADDED)
7548 if (_scsih_expander_add(ioc, parent_handle) != 0)
7551 spin_lock_irqsave(&ioc->sas_node_lock, flags);
7552 sas_expander = mpt3sas_scsih_expander_find_by_handle(ioc,
7555 sas_address = sas_expander->sas_address;
7556 max_phys = sas_expander->num_phys;
7557 port = sas_expander->port;
7558 } else if (parent_handle < ioc->sas_hba.num_phys) {
7559 sas_address = ioc->sas_hba.sas_address;
7560 max_phys = ioc->sas_hba.num_phys;
7562 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
7565 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
7567 /* handle siblings events */
7568 for (i = 0; i < event_data->NumEntries; i++) {
7569 if (fw_event->ignore) {
7571 ioc_info(ioc, "ignoring expander event\n"));
7574 if (ioc->remove_host || ioc->pci_error_recovery)
7576 phy_number = event_data->StartPhyNum + i;
7577 if (phy_number >= max_phys)
7579 reason_code = event_data->PHY[i].PhyStatus &
7580 MPI2_EVENT_SAS_TOPO_RC_MASK;
7581 if ((event_data->PHY[i].PhyStatus &
7582 MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) && (reason_code !=
7583 MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING))
7585 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
7588 link_rate = event_data->PHY[i].LinkRate >> 4;
7589 prev_link_rate = event_data->PHY[i].LinkRate & 0xF;
7590 switch (reason_code) {
7591 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
7593 if (ioc->shost_recovery)
7596 if (link_rate == prev_link_rate)
7599 mpt3sas_transport_update_links(ioc, sas_address,
7600 handle, phy_number, link_rate, port);
7602 if (link_rate < MPI2_SAS_NEG_LINK_RATE_1_5)
7605 _scsih_check_device(ioc, sas_address, handle,
7606 phy_number, link_rate);
7608 if (!test_bit(handle, ioc->pend_os_device_add))
7613 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
7615 if (ioc->shost_recovery)
7618 mpt3sas_transport_update_links(ioc, sas_address,
7619 handle, phy_number, link_rate, port);
7621 _scsih_add_device(ioc, handle, phy_number, 0);
7624 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
7626 _scsih_device_remove_by_handle(ioc, handle);
7631 /* handle expander removal */
7632 if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING &&
7634 mpt3sas_expander_remove(ioc, sas_address, port);
7640 * _scsih_sas_device_status_change_event_debug - debug for device event
7642 * @event_data: event data payload
7646 _scsih_sas_device_status_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
7647 Mpi2EventDataSasDeviceStatusChange_t *event_data)
7649 char *reason_str = NULL;
7651 switch (event_data->ReasonCode) {
7652 case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
7653 reason_str = "smart data";
7655 case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED:
7656 reason_str = "unsupported device discovered";
7658 case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
7659 reason_str = "internal device reset";
7661 case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL:
7662 reason_str = "internal task abort";
7664 case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL:
7665 reason_str = "internal task abort set";
7667 case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL:
7668 reason_str = "internal clear task set";
7670 case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL:
7671 reason_str = "internal query task";
7673 case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE:
7674 reason_str = "sata init failure";
7676 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET:
7677 reason_str = "internal device reset complete";
7679 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL:
7680 reason_str = "internal task abort complete";
7682 case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION:
7683 reason_str = "internal async notification";
7685 case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY:
7686 reason_str = "expander reduced functionality";
7688 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY:
7689 reason_str = "expander reduced functionality complete";
7692 reason_str = "unknown reason";
7695 ioc_info(ioc, "device status change: (%s)\thandle(0x%04x), sas address(0x%016llx), tag(%d)",
7696 reason_str, le16_to_cpu(event_data->DevHandle),
7697 (u64)le64_to_cpu(event_data->SASAddress),
7698 le16_to_cpu(event_data->TaskTag));
7699 if (event_data->ReasonCode == MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA)
7700 pr_cont(", ASC(0x%x), ASCQ(0x%x)\n",
7701 event_data->ASC, event_data->ASCQ);
7706 * _scsih_sas_device_status_change_event - handle device status change
7707 * @ioc: per adapter object
7708 * @event_data: The fw event
7712 _scsih_sas_device_status_change_event(struct MPT3SAS_ADAPTER *ioc,
7713 Mpi2EventDataSasDeviceStatusChange_t *event_data)
7715 struct MPT3SAS_TARGET *target_priv_data;
7716 struct _sas_device *sas_device;
7718 unsigned long flags;
7720 /* In MPI Revision K (0xC), the internal device reset complete was
7721 * implemented, so avoid setting tm_busy flag for older firmware.
7723 if ((ioc->facts.HeaderVersion >> 8) < 0xC)
7726 if (event_data->ReasonCode !=
7727 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET &&
7728 event_data->ReasonCode !=
7729 MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET)
7732 spin_lock_irqsave(&ioc->sas_device_lock, flags);
7733 sas_address = le64_to_cpu(event_data->SASAddress);
7734 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
7736 mpt3sas_get_port_by_id(ioc, event_data->PhysicalPort, 0));
7738 if (!sas_device || !sas_device->starget)
7741 target_priv_data = sas_device->starget->hostdata;
7742 if (!target_priv_data)
7745 if (event_data->ReasonCode ==
7746 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET)
7747 target_priv_data->tm_busy = 1;
7749 target_priv_data->tm_busy = 0;
7751 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
7753 "%s tm_busy flag for handle(0x%04x)\n",
7754 (target_priv_data->tm_busy == 1) ? "Enable" : "Disable",
7755 target_priv_data->handle);
7759 sas_device_put(sas_device);
7761 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
7766 * _scsih_check_pcie_access_status - check access flags
7767 * @ioc: per adapter object
7769 * @handle: sas device handle
7770 * @access_status: errors returned during discovery of the device
7772 * Return: 0 for success, else failure
7775 _scsih_check_pcie_access_status(struct MPT3SAS_ADAPTER *ioc, u64 wwid,
7776 u16 handle, u8 access_status)
7781 switch (access_status) {
7782 case MPI26_PCIEDEV0_ASTATUS_NO_ERRORS:
7783 case MPI26_PCIEDEV0_ASTATUS_NEEDS_INITIALIZATION:
7786 case MPI26_PCIEDEV0_ASTATUS_CAPABILITY_FAILED:
7787 desc = "PCIe device capability failed";
7789 case MPI26_PCIEDEV0_ASTATUS_DEVICE_BLOCKED:
7790 desc = "PCIe device blocked";
7792 "Device with Access Status (%s): wwid(0x%016llx), "
7793 "handle(0x%04x)\n ll only be added to the internal list",
7794 desc, (u64)wwid, handle);
7797 case MPI26_PCIEDEV0_ASTATUS_MEMORY_SPACE_ACCESS_FAILED:
7798 desc = "PCIe device mem space access failed";
7800 case MPI26_PCIEDEV0_ASTATUS_UNSUPPORTED_DEVICE:
7801 desc = "PCIe device unsupported";
7803 case MPI26_PCIEDEV0_ASTATUS_MSIX_REQUIRED:
7804 desc = "PCIe device MSIx Required";
7806 case MPI26_PCIEDEV0_ASTATUS_INIT_FAIL_MAX:
7807 desc = "PCIe device init fail max";
7809 case MPI26_PCIEDEV0_ASTATUS_UNKNOWN:
7810 desc = "PCIe device status unknown";
7812 case MPI26_PCIEDEV0_ASTATUS_NVME_READY_TIMEOUT:
7813 desc = "nvme ready timeout";
7815 case MPI26_PCIEDEV0_ASTATUS_NVME_DEVCFG_UNSUPPORTED:
7816 desc = "nvme device configuration unsupported";
7818 case MPI26_PCIEDEV0_ASTATUS_NVME_IDENTIFY_FAILED:
7819 desc = "nvme identify failed";
7821 case MPI26_PCIEDEV0_ASTATUS_NVME_QCONFIG_FAILED:
7822 desc = "nvme qconfig failed";
7824 case MPI26_PCIEDEV0_ASTATUS_NVME_QCREATION_FAILED:
7825 desc = "nvme qcreation failed";
7827 case MPI26_PCIEDEV0_ASTATUS_NVME_EVENTCFG_FAILED:
7828 desc = "nvme eventcfg failed";
7830 case MPI26_PCIEDEV0_ASTATUS_NVME_GET_FEATURE_STAT_FAILED:
7831 desc = "nvme get feature stat failed";
7833 case MPI26_PCIEDEV0_ASTATUS_NVME_IDLE_TIMEOUT:
7834 desc = "nvme idle timeout";
7836 case MPI26_PCIEDEV0_ASTATUS_NVME_FAILURE_STATUS:
7837 desc = "nvme failure status";
7840 ioc_err(ioc, "NVMe discovery error(0x%02x): wwid(0x%016llx), handle(0x%04x)\n",
7841 access_status, (u64)wwid, handle);
7848 ioc_info(ioc, "NVMe discovery error(%s): wwid(0x%016llx), handle(0x%04x)\n",
7849 desc, (u64)wwid, handle);
7854 * _scsih_pcie_device_remove_from_sml - removing pcie device
7855 * from SML and free up associated memory
7856 * @ioc: per adapter object
7857 * @pcie_device: the pcie_device object
7860 _scsih_pcie_device_remove_from_sml(struct MPT3SAS_ADAPTER *ioc,
7861 struct _pcie_device *pcie_device)
7863 struct MPT3SAS_TARGET *sas_target_priv_data;
7866 ioc_info(ioc, "%s: enter: handle(0x%04x), wwid(0x%016llx)\n",
7868 pcie_device->handle, (u64)pcie_device->wwid));
7869 if (pcie_device->enclosure_handle != 0)
7871 ioc_info(ioc, "%s: enter: enclosure logical id(0x%016llx), slot(%d)\n",
7873 (u64)pcie_device->enclosure_logical_id,
7874 pcie_device->slot));
7875 if (pcie_device->connector_name[0] != '\0')
7877 ioc_info(ioc, "%s: enter: enclosure level(0x%04x), connector name(%s)\n",
7879 pcie_device->enclosure_level,
7880 pcie_device->connector_name));
7882 if (pcie_device->starget && pcie_device->starget->hostdata) {
7883 sas_target_priv_data = pcie_device->starget->hostdata;
7884 sas_target_priv_data->deleted = 1;
7885 _scsih_ublock_io_device(ioc, pcie_device->wwid, NULL);
7886 sas_target_priv_data->handle = MPT3SAS_INVALID_DEVICE_HANDLE;
7889 ioc_info(ioc, "removing handle(0x%04x), wwid(0x%016llx)\n",
7890 pcie_device->handle, (u64)pcie_device->wwid);
7891 if (pcie_device->enclosure_handle != 0)
7892 ioc_info(ioc, "removing : enclosure logical id(0x%016llx), slot(%d)\n",
7893 (u64)pcie_device->enclosure_logical_id,
7895 if (pcie_device->connector_name[0] != '\0')
7896 ioc_info(ioc, "removing: enclosure level(0x%04x), connector name( %s)\n",
7897 pcie_device->enclosure_level,
7898 pcie_device->connector_name);
7900 if (pcie_device->starget && (pcie_device->access_status !=
7901 MPI26_PCIEDEV0_ASTATUS_DEVICE_BLOCKED))
7902 scsi_remove_target(&pcie_device->starget->dev);
7904 ioc_info(ioc, "%s: exit: handle(0x%04x), wwid(0x%016llx)\n",
7906 pcie_device->handle, (u64)pcie_device->wwid));
7907 if (pcie_device->enclosure_handle != 0)
7909 ioc_info(ioc, "%s: exit: enclosure logical id(0x%016llx), slot(%d)\n",
7911 (u64)pcie_device->enclosure_logical_id,
7912 pcie_device->slot));
7913 if (pcie_device->connector_name[0] != '\0')
7915 ioc_info(ioc, "%s: exit: enclosure level(0x%04x), connector name( %s)\n",
7917 pcie_device->enclosure_level,
7918 pcie_device->connector_name));
7920 kfree(pcie_device->serial_number);
7925 * _scsih_pcie_check_device - checking device responsiveness
7926 * @ioc: per adapter object
7927 * @handle: attached device handle
7930 _scsih_pcie_check_device(struct MPT3SAS_ADAPTER *ioc, u16 handle)
7932 Mpi2ConfigReply_t mpi_reply;
7933 Mpi26PCIeDevicePage0_t pcie_device_pg0;
7935 struct _pcie_device *pcie_device;
7937 unsigned long flags;
7938 struct scsi_target *starget;
7939 struct MPT3SAS_TARGET *sas_target_priv_data;
7942 if ((mpt3sas_config_get_pcie_device_pg0(ioc, &mpi_reply,
7943 &pcie_device_pg0, MPI26_PCIE_DEVICE_PGAD_FORM_HANDLE, handle)))
7946 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
7947 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
7950 /* check if this is end device */
7951 device_info = le32_to_cpu(pcie_device_pg0.DeviceInfo);
7952 if (!(_scsih_is_nvme_pciescsi_device(device_info)))
7955 wwid = le64_to_cpu(pcie_device_pg0.WWID);
7956 spin_lock_irqsave(&ioc->pcie_device_lock, flags);
7957 pcie_device = __mpt3sas_get_pdev_by_wwid(ioc, wwid);
7960 spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
7964 if (unlikely(pcie_device->handle != handle)) {
7965 starget = pcie_device->starget;
7966 sas_target_priv_data = starget->hostdata;
7967 pcie_device->access_status = pcie_device_pg0.AccessStatus;
7968 starget_printk(KERN_INFO, starget,
7969 "handle changed from(0x%04x) to (0x%04x)!!!\n",
7970 pcie_device->handle, handle);
7971 sas_target_priv_data->handle = handle;
7972 pcie_device->handle = handle;
7974 if (le32_to_cpu(pcie_device_pg0.Flags) &
7975 MPI26_PCIEDEV0_FLAGS_ENCL_LEVEL_VALID) {
7976 pcie_device->enclosure_level =
7977 pcie_device_pg0.EnclosureLevel;
7978 memcpy(&pcie_device->connector_name[0],
7979 &pcie_device_pg0.ConnectorName[0], 4);
7981 pcie_device->enclosure_level = 0;
7982 pcie_device->connector_name[0] = '\0';
7986 /* check if device is present */
7987 if (!(le32_to_cpu(pcie_device_pg0.Flags) &
7988 MPI26_PCIEDEV0_FLAGS_DEVICE_PRESENT)) {
7989 ioc_info(ioc, "device is not present handle(0x%04x), flags!!!\n",
7991 spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
7992 pcie_device_put(pcie_device);
7996 /* check if there were any issues with discovery */
7997 if (_scsih_check_pcie_access_status(ioc, wwid, handle,
7998 pcie_device_pg0.AccessStatus)) {
7999 spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
8000 pcie_device_put(pcie_device);
8004 spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
8005 pcie_device_put(pcie_device);
8007 _scsih_ublock_io_device(ioc, wwid, NULL);
8013 * _scsih_pcie_add_device - creating pcie device object
8014 * @ioc: per adapter object
8015 * @handle: pcie device handle
8017 * Creating end device object, stored in ioc->pcie_device_list.
8019 * Return: 1 means queue the event later, 0 means complete the event
8022 _scsih_pcie_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle)
8024 Mpi26PCIeDevicePage0_t pcie_device_pg0;
8025 Mpi26PCIeDevicePage2_t pcie_device_pg2;
8026 Mpi2ConfigReply_t mpi_reply;
8027 struct _pcie_device *pcie_device;
8028 struct _enclosure_node *enclosure_dev;
8032 if ((mpt3sas_config_get_pcie_device_pg0(ioc, &mpi_reply,
8033 &pcie_device_pg0, MPI26_PCIE_DEVICE_PGAD_FORM_HANDLE, handle))) {
8034 ioc_err(ioc, "failure at %s:%d/%s()!\n",
8035 __FILE__, __LINE__, __func__);
8038 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
8039 MPI2_IOCSTATUS_MASK;
8040 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
8041 ioc_err(ioc, "failure at %s:%d/%s()!\n",
8042 __FILE__, __LINE__, __func__);
8046 set_bit(handle, ioc->pend_os_device_add);
8047 wwid = le64_to_cpu(pcie_device_pg0.WWID);
8049 /* check if device is present */
8050 if (!(le32_to_cpu(pcie_device_pg0.Flags) &
8051 MPI26_PCIEDEV0_FLAGS_DEVICE_PRESENT)) {
8052 ioc_err(ioc, "device is not present handle(0x04%x)!!!\n",
8057 /* check if there were any issues with discovery */
8058 if (_scsih_check_pcie_access_status(ioc, wwid, handle,
8059 pcie_device_pg0.AccessStatus))
8062 if (!(_scsih_is_nvme_pciescsi_device(le32_to_cpu
8063 (pcie_device_pg0.DeviceInfo))))
8066 pcie_device = mpt3sas_get_pdev_by_wwid(ioc, wwid);
8068 clear_bit(handle, ioc->pend_os_device_add);
8069 pcie_device_put(pcie_device);
8073 /* PCIe Device Page 2 contains read-only information about a
8074 * specific NVMe device; therefore, this page is only
8075 * valid for NVMe devices and skip for pcie devices of type scsi.
8077 if (!(mpt3sas_scsih_is_pcie_scsi_device(
8078 le32_to_cpu(pcie_device_pg0.DeviceInfo)))) {
8079 if (mpt3sas_config_get_pcie_device_pg2(ioc, &mpi_reply,
8080 &pcie_device_pg2, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
8083 "failure at %s:%d/%s()!\n", __FILE__,
8084 __LINE__, __func__);
8088 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
8089 MPI2_IOCSTATUS_MASK;
8090 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
8092 "failure at %s:%d/%s()!\n", __FILE__,
8093 __LINE__, __func__);
8098 pcie_device = kzalloc(sizeof(struct _pcie_device), GFP_KERNEL);
8100 ioc_err(ioc, "failure at %s:%d/%s()!\n",
8101 __FILE__, __LINE__, __func__);
8105 kref_init(&pcie_device->refcount);
8106 pcie_device->id = ioc->pcie_target_id++;
8107 pcie_device->channel = PCIE_CHANNEL;
8108 pcie_device->handle = handle;
8109 pcie_device->access_status = pcie_device_pg0.AccessStatus;
8110 pcie_device->device_info = le32_to_cpu(pcie_device_pg0.DeviceInfo);
8111 pcie_device->wwid = wwid;
8112 pcie_device->port_num = pcie_device_pg0.PortNum;
8113 pcie_device->fast_path = (le32_to_cpu(pcie_device_pg0.Flags) &
8114 MPI26_PCIEDEV0_FLAGS_FAST_PATH_CAPABLE) ? 1 : 0;
8116 pcie_device->enclosure_handle =
8117 le16_to_cpu(pcie_device_pg0.EnclosureHandle);
8118 if (pcie_device->enclosure_handle != 0)
8119 pcie_device->slot = le16_to_cpu(pcie_device_pg0.Slot);
8121 if (le32_to_cpu(pcie_device_pg0.Flags) &
8122 MPI26_PCIEDEV0_FLAGS_ENCL_LEVEL_VALID) {
8123 pcie_device->enclosure_level = pcie_device_pg0.EnclosureLevel;
8124 memcpy(&pcie_device->connector_name[0],
8125 &pcie_device_pg0.ConnectorName[0], 4);
8127 pcie_device->enclosure_level = 0;
8128 pcie_device->connector_name[0] = '\0';
8131 /* get enclosure_logical_id */
8132 if (pcie_device->enclosure_handle) {
8134 mpt3sas_scsih_enclosure_find_by_handle(ioc,
8135 pcie_device->enclosure_handle);
8137 pcie_device->enclosure_logical_id =
8138 le64_to_cpu(enclosure_dev->pg0.EnclosureLogicalID);
8140 /* TODO -- Add device name once FW supports it */
8141 if (!(mpt3sas_scsih_is_pcie_scsi_device(
8142 le32_to_cpu(pcie_device_pg0.DeviceInfo)))) {
8143 pcie_device->nvme_mdts =
8144 le32_to_cpu(pcie_device_pg2.MaximumDataTransferSize);
8145 pcie_device->shutdown_latency =
8146 le16_to_cpu(pcie_device_pg2.ShutdownLatency);
8148 * Set IOC's max_shutdown_latency to drive's RTD3 Entry Latency
8149 * if drive's RTD3 Entry Latency is greater then IOC's
8150 * max_shutdown_latency.
8152 if (pcie_device->shutdown_latency > ioc->max_shutdown_latency)
8153 ioc->max_shutdown_latency =
8154 pcie_device->shutdown_latency;
8155 if (pcie_device_pg2.ControllerResetTO)
8156 pcie_device->reset_timeout =
8157 pcie_device_pg2.ControllerResetTO;
8159 pcie_device->reset_timeout = 30;
8161 pcie_device->reset_timeout = 30;
8163 if (ioc->wait_for_discovery_to_complete)
8164 _scsih_pcie_device_init_add(ioc, pcie_device);
8166 _scsih_pcie_device_add(ioc, pcie_device);
8168 pcie_device_put(pcie_device);
8173 * _scsih_pcie_topology_change_event_debug - debug for topology
8175 * @ioc: per adapter object
8176 * @event_data: event data payload
8180 _scsih_pcie_topology_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
8181 Mpi26EventDataPCIeTopologyChangeList_t *event_data)
8187 char *status_str = NULL;
8188 u8 link_rate, prev_link_rate;
8190 switch (event_data->SwitchStatus) {
8191 case MPI26_EVENT_PCIE_TOPO_SS_ADDED:
8194 case MPI26_EVENT_PCIE_TOPO_SS_NOT_RESPONDING:
8195 status_str = "remove";
8197 case MPI26_EVENT_PCIE_TOPO_SS_RESPONDING:
8199 status_str = "responding";
8201 case MPI26_EVENT_PCIE_TOPO_SS_DELAY_NOT_RESPONDING:
8202 status_str = "remove delay";
8205 status_str = "unknown status";
8208 ioc_info(ioc, "pcie topology change: (%s)\n", status_str);
8209 pr_info("\tswitch_handle(0x%04x), enclosure_handle(0x%04x)"
8210 "start_port(%02d), count(%d)\n",
8211 le16_to_cpu(event_data->SwitchDevHandle),
8212 le16_to_cpu(event_data->EnclosureHandle),
8213 event_data->StartPortNum, event_data->NumEntries);
8214 for (i = 0; i < event_data->NumEntries; i++) {
8216 le16_to_cpu(event_data->PortEntry[i].AttachedDevHandle);
8219 port_number = event_data->StartPortNum + i;
8220 reason_code = event_data->PortEntry[i].PortStatus;
8221 switch (reason_code) {
8222 case MPI26_EVENT_PCIE_TOPO_PS_DEV_ADDED:
8223 status_str = "target add";
8225 case MPI26_EVENT_PCIE_TOPO_PS_NOT_RESPONDING:
8226 status_str = "target remove";
8228 case MPI26_EVENT_PCIE_TOPO_PS_DELAY_NOT_RESPONDING:
8229 status_str = "delay target remove";
8231 case MPI26_EVENT_PCIE_TOPO_PS_PORT_CHANGED:
8232 status_str = "link rate change";
8234 case MPI26_EVENT_PCIE_TOPO_PS_NO_CHANGE:
8235 status_str = "target responding";
8238 status_str = "unknown";
8241 link_rate = event_data->PortEntry[i].CurrentPortInfo &
8242 MPI26_EVENT_PCIE_TOPO_PI_RATE_MASK;
8243 prev_link_rate = event_data->PortEntry[i].PreviousPortInfo &
8244 MPI26_EVENT_PCIE_TOPO_PI_RATE_MASK;
8245 pr_info("\tport(%02d), attached_handle(0x%04x): %s:"
8246 " link rate: new(0x%02x), old(0x%02x)\n", port_number,
8247 handle, status_str, link_rate, prev_link_rate);
8252 * _scsih_pcie_topology_change_event - handle PCIe topology
8254 * @ioc: per adapter object
8255 * @fw_event: The fw_event_work object
8260 _scsih_pcie_topology_change_event(struct MPT3SAS_ADAPTER *ioc,
8261 struct fw_event_work *fw_event)
8266 u8 link_rate, prev_link_rate;
8267 unsigned long flags;
8269 Mpi26EventDataPCIeTopologyChangeList_t *event_data =
8270 (Mpi26EventDataPCIeTopologyChangeList_t *) fw_event->event_data;
8271 struct _pcie_device *pcie_device;
8273 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
8274 _scsih_pcie_topology_change_event_debug(ioc, event_data);
8276 if (ioc->shost_recovery || ioc->remove_host ||
8277 ioc->pci_error_recovery)
8280 if (fw_event->ignore) {
8281 dewtprintk(ioc, ioc_info(ioc, "ignoring switch event\n"));
8285 /* handle siblings events */
8286 for (i = 0; i < event_data->NumEntries; i++) {
8287 if (fw_event->ignore) {
8289 ioc_info(ioc, "ignoring switch event\n"));
8292 if (ioc->remove_host || ioc->pci_error_recovery)
8294 reason_code = event_data->PortEntry[i].PortStatus;
8296 le16_to_cpu(event_data->PortEntry[i].AttachedDevHandle);
8300 link_rate = event_data->PortEntry[i].CurrentPortInfo
8301 & MPI26_EVENT_PCIE_TOPO_PI_RATE_MASK;
8302 prev_link_rate = event_data->PortEntry[i].PreviousPortInfo
8303 & MPI26_EVENT_PCIE_TOPO_PI_RATE_MASK;
8305 switch (reason_code) {
8306 case MPI26_EVENT_PCIE_TOPO_PS_PORT_CHANGED:
8307 if (ioc->shost_recovery)
8309 if (link_rate == prev_link_rate)
8311 if (link_rate < MPI26_EVENT_PCIE_TOPO_PI_RATE_2_5)
8314 _scsih_pcie_check_device(ioc, handle);
8316 /* This code after this point handles the test case
8317 * where a device has been added, however its returning
8318 * BUSY for sometime. Then before the Device Missing
8319 * Delay expires and the device becomes READY, the
8320 * device is removed and added back.
8322 spin_lock_irqsave(&ioc->pcie_device_lock, flags);
8323 pcie_device = __mpt3sas_get_pdev_by_handle(ioc, handle);
8324 spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
8327 pcie_device_put(pcie_device);
8331 if (!test_bit(handle, ioc->pend_os_device_add))
8335 ioc_info(ioc, "handle(0x%04x) device not found: convert event to a device add\n",
8337 event_data->PortEntry[i].PortStatus &= 0xF0;
8338 event_data->PortEntry[i].PortStatus |=
8339 MPI26_EVENT_PCIE_TOPO_PS_DEV_ADDED;
8341 case MPI26_EVENT_PCIE_TOPO_PS_DEV_ADDED:
8342 if (ioc->shost_recovery)
8344 if (link_rate < MPI26_EVENT_PCIE_TOPO_PI_RATE_2_5)
8347 rc = _scsih_pcie_add_device(ioc, handle);
8349 /* mark entry vacant */
8350 /* TODO This needs to be reviewed and fixed,
8351 * we dont have an entry
8352 * to make an event void like vacant
8354 event_data->PortEntry[i].PortStatus |=
8355 MPI26_EVENT_PCIE_TOPO_PS_NO_CHANGE;
8358 case MPI26_EVENT_PCIE_TOPO_PS_NOT_RESPONDING:
8359 _scsih_pcie_device_remove_by_handle(ioc, handle);
8366 * _scsih_pcie_device_status_change_event_debug - debug for device event
8368 * @event_data: event data payload
8372 _scsih_pcie_device_status_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
8373 Mpi26EventDataPCIeDeviceStatusChange_t *event_data)
8375 char *reason_str = NULL;
8377 switch (event_data->ReasonCode) {
8378 case MPI26_EVENT_PCIDEV_STAT_RC_SMART_DATA:
8379 reason_str = "smart data";
8381 case MPI26_EVENT_PCIDEV_STAT_RC_UNSUPPORTED:
8382 reason_str = "unsupported device discovered";
8384 case MPI26_EVENT_PCIDEV_STAT_RC_INTERNAL_DEVICE_RESET:
8385 reason_str = "internal device reset";
8387 case MPI26_EVENT_PCIDEV_STAT_RC_TASK_ABORT_INTERNAL:
8388 reason_str = "internal task abort";
8390 case MPI26_EVENT_PCIDEV_STAT_RC_ABORT_TASK_SET_INTERNAL:
8391 reason_str = "internal task abort set";
8393 case MPI26_EVENT_PCIDEV_STAT_RC_CLEAR_TASK_SET_INTERNAL:
8394 reason_str = "internal clear task set";
8396 case MPI26_EVENT_PCIDEV_STAT_RC_QUERY_TASK_INTERNAL:
8397 reason_str = "internal query task";
8399 case MPI26_EVENT_PCIDEV_STAT_RC_DEV_INIT_FAILURE:
8400 reason_str = "device init failure";
8402 case MPI26_EVENT_PCIDEV_STAT_RC_CMP_INTERNAL_DEV_RESET:
8403 reason_str = "internal device reset complete";
8405 case MPI26_EVENT_PCIDEV_STAT_RC_CMP_TASK_ABORT_INTERNAL:
8406 reason_str = "internal task abort complete";
8408 case MPI26_EVENT_PCIDEV_STAT_RC_ASYNC_NOTIFICATION:
8409 reason_str = "internal async notification";
8411 case MPI26_EVENT_PCIDEV_STAT_RC_PCIE_HOT_RESET_FAILED:
8412 reason_str = "pcie hot reset failed";
8415 reason_str = "unknown reason";
8419 ioc_info(ioc, "PCIE device status change: (%s)\n"
8420 "\thandle(0x%04x), WWID(0x%016llx), tag(%d)",
8421 reason_str, le16_to_cpu(event_data->DevHandle),
8422 (u64)le64_to_cpu(event_data->WWID),
8423 le16_to_cpu(event_data->TaskTag));
8424 if (event_data->ReasonCode == MPI26_EVENT_PCIDEV_STAT_RC_SMART_DATA)
8425 pr_cont(", ASC(0x%x), ASCQ(0x%x)\n",
8426 event_data->ASC, event_data->ASCQ);
8431 * _scsih_pcie_device_status_change_event - handle device status
8433 * @ioc: per adapter object
8434 * @fw_event: The fw_event_work object
8438 _scsih_pcie_device_status_change_event(struct MPT3SAS_ADAPTER *ioc,
8439 struct fw_event_work *fw_event)
8441 struct MPT3SAS_TARGET *target_priv_data;
8442 struct _pcie_device *pcie_device;
8444 unsigned long flags;
8445 Mpi26EventDataPCIeDeviceStatusChange_t *event_data =
8446 (Mpi26EventDataPCIeDeviceStatusChange_t *)fw_event->event_data;
8447 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
8448 _scsih_pcie_device_status_change_event_debug(ioc,
8451 if (event_data->ReasonCode !=
8452 MPI26_EVENT_PCIDEV_STAT_RC_INTERNAL_DEVICE_RESET &&
8453 event_data->ReasonCode !=
8454 MPI26_EVENT_PCIDEV_STAT_RC_CMP_INTERNAL_DEV_RESET)
8457 spin_lock_irqsave(&ioc->pcie_device_lock, flags);
8458 wwid = le64_to_cpu(event_data->WWID);
8459 pcie_device = __mpt3sas_get_pdev_by_wwid(ioc, wwid);
8461 if (!pcie_device || !pcie_device->starget)
8464 target_priv_data = pcie_device->starget->hostdata;
8465 if (!target_priv_data)
8468 if (event_data->ReasonCode ==
8469 MPI26_EVENT_PCIDEV_STAT_RC_INTERNAL_DEVICE_RESET)
8470 target_priv_data->tm_busy = 1;
8472 target_priv_data->tm_busy = 0;
8475 pcie_device_put(pcie_device);
8477 spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
8481 * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure
8483 * @ioc: per adapter object
8484 * @event_data: event data payload
8488 _scsih_sas_enclosure_dev_status_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
8489 Mpi2EventDataSasEnclDevStatusChange_t *event_data)
8491 char *reason_str = NULL;
8493 switch (event_data->ReasonCode) {
8494 case MPI2_EVENT_SAS_ENCL_RC_ADDED:
8495 reason_str = "enclosure add";
8497 case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING:
8498 reason_str = "enclosure remove";
8501 reason_str = "unknown reason";
8505 ioc_info(ioc, "enclosure status change: (%s)\n"
8506 "\thandle(0x%04x), enclosure logical id(0x%016llx) number slots(%d)\n",
8508 le16_to_cpu(event_data->EnclosureHandle),
8509 (u64)le64_to_cpu(event_data->EnclosureLogicalID),
8510 le16_to_cpu(event_data->StartSlot));
8514 * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events
8515 * @ioc: per adapter object
8516 * @fw_event: The fw_event_work object
8520 _scsih_sas_enclosure_dev_status_change_event(struct MPT3SAS_ADAPTER *ioc,
8521 struct fw_event_work *fw_event)
8523 Mpi2ConfigReply_t mpi_reply;
8524 struct _enclosure_node *enclosure_dev = NULL;
8525 Mpi2EventDataSasEnclDevStatusChange_t *event_data =
8526 (Mpi2EventDataSasEnclDevStatusChange_t *)fw_event->event_data;
8528 u16 enclosure_handle = le16_to_cpu(event_data->EnclosureHandle);
8530 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
8531 _scsih_sas_enclosure_dev_status_change_event_debug(ioc,
8532 (Mpi2EventDataSasEnclDevStatusChange_t *)
8533 fw_event->event_data);
8534 if (ioc->shost_recovery)
8537 if (enclosure_handle)
8539 mpt3sas_scsih_enclosure_find_by_handle(ioc,
8541 switch (event_data->ReasonCode) {
8542 case MPI2_EVENT_SAS_ENCL_RC_ADDED:
8543 if (!enclosure_dev) {
8545 kzalloc(sizeof(struct _enclosure_node),
8547 if (!enclosure_dev) {
8548 ioc_info(ioc, "failure at %s:%d/%s()!\n",
8549 __FILE__, __LINE__, __func__);
8552 rc = mpt3sas_config_get_enclosure_pg0(ioc, &mpi_reply,
8553 &enclosure_dev->pg0,
8554 MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
8557 if (rc || (le16_to_cpu(mpi_reply.IOCStatus) &
8558 MPI2_IOCSTATUS_MASK)) {
8559 kfree(enclosure_dev);
8563 list_add_tail(&enclosure_dev->list,
8564 &ioc->enclosure_list);
8567 case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING:
8568 if (enclosure_dev) {
8569 list_del(&enclosure_dev->list);
8570 kfree(enclosure_dev);
8579 * _scsih_sas_broadcast_primitive_event - handle broadcast events
8580 * @ioc: per adapter object
8581 * @fw_event: The fw_event_work object
8585 _scsih_sas_broadcast_primitive_event(struct MPT3SAS_ADAPTER *ioc,
8586 struct fw_event_work *fw_event)
8588 struct scsi_cmnd *scmd;
8589 struct scsi_device *sdev;
8590 struct scsiio_tracker *st;
8593 struct MPT3SAS_DEVICE *sas_device_priv_data;
8594 u32 termination_count;
8596 Mpi2SCSITaskManagementReply_t *mpi_reply;
8597 Mpi2EventDataSasBroadcastPrimitive_t *event_data =
8598 (Mpi2EventDataSasBroadcastPrimitive_t *)
8599 fw_event->event_data;
8601 unsigned long flags;
8604 u8 task_abort_retries;
8606 mutex_lock(&ioc->tm_cmds.mutex);
8607 ioc_info(ioc, "%s: enter: phy number(%d), width(%d)\n",
8608 __func__, event_data->PhyNum, event_data->PortWidth);
8610 _scsih_block_io_all_device(ioc);
8612 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
8613 mpi_reply = ioc->tm_cmds.reply;
8614 broadcast_aen_retry:
8616 /* sanity checks for retrying this loop */
8617 if (max_retries++ == 5) {
8618 dewtprintk(ioc, ioc_info(ioc, "%s: giving up\n", __func__));
8620 } else if (max_retries > 1)
8622 ioc_info(ioc, "%s: %d retry\n",
8623 __func__, max_retries - 1));
8625 termination_count = 0;
8627 for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
8628 if (ioc->shost_recovery)
8630 scmd = mpt3sas_scsih_scsi_lookup_get(ioc, smid);
8633 st = scsi_cmd_priv(scmd);
8634 sdev = scmd->device;
8635 sas_device_priv_data = sdev->hostdata;
8636 if (!sas_device_priv_data || !sas_device_priv_data->sas_target)
8638 /* skip hidden raid components */
8639 if (sas_device_priv_data->sas_target->flags &
8640 MPT_TARGET_FLAGS_RAID_COMPONENT)
8643 if (sas_device_priv_data->sas_target->flags &
8644 MPT_TARGET_FLAGS_VOLUME)
8646 /* skip PCIe devices */
8647 if (sas_device_priv_data->sas_target->flags &
8648 MPT_TARGET_FLAGS_PCIE_DEVICE)
8651 handle = sas_device_priv_data->sas_target->handle;
8652 lun = sas_device_priv_data->lun;
8655 if (ioc->shost_recovery)
8658 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
8659 r = mpt3sas_scsih_issue_tm(ioc, handle, 0, 0, lun,
8660 MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, st->smid,
8661 st->msix_io, 30, 0);
8663 sdev_printk(KERN_WARNING, sdev,
8664 "mpt3sas_scsih_issue_tm: FAILED when sending "
8665 "QUERY_TASK: scmd(%p)\n", scmd);
8666 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
8667 goto broadcast_aen_retry;
8669 ioc_status = le16_to_cpu(mpi_reply->IOCStatus)
8670 & MPI2_IOCSTATUS_MASK;
8671 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
8672 sdev_printk(KERN_WARNING, sdev,
8673 "query task: FAILED with IOCSTATUS(0x%04x), scmd(%p)\n",
8675 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
8676 goto broadcast_aen_retry;
8679 /* see if IO is still owned by IOC and target */
8680 if (mpi_reply->ResponseCode ==
8681 MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED ||
8682 mpi_reply->ResponseCode ==
8683 MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC) {
8684 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
8687 task_abort_retries = 0;
8689 if (task_abort_retries++ == 60) {
8691 ioc_info(ioc, "%s: ABORT_TASK: giving up\n",
8693 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
8694 goto broadcast_aen_retry;
8697 if (ioc->shost_recovery)
8700 r = mpt3sas_scsih_issue_tm(ioc, handle, sdev->channel, sdev->id,
8701 sdev->lun, MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
8702 st->smid, st->msix_io, 30, 0);
8703 if (r == FAILED || st->cb_idx != 0xFF) {
8704 sdev_printk(KERN_WARNING, sdev,
8705 "mpt3sas_scsih_issue_tm: ABORT_TASK: FAILED : "
8706 "scmd(%p)\n", scmd);
8710 if (task_abort_retries > 1)
8711 sdev_printk(KERN_WARNING, sdev,
8712 "mpt3sas_scsih_issue_tm: ABORT_TASK: RETRIES (%d):"
8714 task_abort_retries - 1, scmd);
8716 termination_count += le32_to_cpu(mpi_reply->TerminationCount);
8717 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
8720 if (ioc->broadcast_aen_pending) {
8723 "%s: loop back due to pending AEN\n",
8725 ioc->broadcast_aen_pending = 0;
8726 goto broadcast_aen_retry;
8730 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
8734 ioc_info(ioc, "%s - exit, query_count = %d termination_count = %d\n",
8735 __func__, query_count, termination_count));
8737 ioc->broadcast_aen_busy = 0;
8738 if (!ioc->shost_recovery)
8739 _scsih_ublock_io_all_device(ioc);
8740 mutex_unlock(&ioc->tm_cmds.mutex);
8744 * _scsih_sas_discovery_event - handle discovery events
8745 * @ioc: per adapter object
8746 * @fw_event: The fw_event_work object
8750 _scsih_sas_discovery_event(struct MPT3SAS_ADAPTER *ioc,
8751 struct fw_event_work *fw_event)
8753 Mpi2EventDataSasDiscovery_t *event_data =
8754 (Mpi2EventDataSasDiscovery_t *) fw_event->event_data;
8756 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) {
8757 ioc_info(ioc, "discovery event: (%s)",
8758 event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED ?
8760 if (event_data->DiscoveryStatus)
8761 pr_cont("discovery_status(0x%08x)",
8762 le32_to_cpu(event_data->DiscoveryStatus));
8766 if (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED &&
8767 !ioc->sas_hba.num_phys) {
8768 if (disable_discovery > 0 && ioc->shost_recovery) {
8769 /* Wait for the reset to complete */
8770 while (ioc->shost_recovery)
8773 _scsih_sas_host_add(ioc);
8778 * _scsih_sas_device_discovery_error_event - display SAS device discovery error
8780 * @ioc: per adapter object
8781 * @fw_event: The fw_event_work object
8785 _scsih_sas_device_discovery_error_event(struct MPT3SAS_ADAPTER *ioc,
8786 struct fw_event_work *fw_event)
8788 Mpi25EventDataSasDeviceDiscoveryError_t *event_data =
8789 (Mpi25EventDataSasDeviceDiscoveryError_t *)fw_event->event_data;
8791 switch (event_data->ReasonCode) {
8792 case MPI25_EVENT_SAS_DISC_ERR_SMP_FAILED:
8793 ioc_warn(ioc, "SMP command sent to the expander (handle:0x%04x, sas_address:0x%016llx, physical_port:0x%02x) has failed\n",
8794 le16_to_cpu(event_data->DevHandle),
8795 (u64)le64_to_cpu(event_data->SASAddress),
8796 event_data->PhysicalPort);
8798 case MPI25_EVENT_SAS_DISC_ERR_SMP_TIMEOUT:
8799 ioc_warn(ioc, "SMP command sent to the expander (handle:0x%04x, sas_address:0x%016llx, physical_port:0x%02x) has timed out\n",
8800 le16_to_cpu(event_data->DevHandle),
8801 (u64)le64_to_cpu(event_data->SASAddress),
8802 event_data->PhysicalPort);
8810 * _scsih_pcie_enumeration_event - handle enumeration events
8811 * @ioc: per adapter object
8812 * @fw_event: The fw_event_work object
8816 _scsih_pcie_enumeration_event(struct MPT3SAS_ADAPTER *ioc,
8817 struct fw_event_work *fw_event)
8819 Mpi26EventDataPCIeEnumeration_t *event_data =
8820 (Mpi26EventDataPCIeEnumeration_t *)fw_event->event_data;
8822 if (!(ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK))
8825 ioc_info(ioc, "pcie enumeration event: (%s) Flag 0x%02x",
8826 (event_data->ReasonCode == MPI26_EVENT_PCIE_ENUM_RC_STARTED) ?
8827 "started" : "completed",
8829 if (event_data->EnumerationStatus)
8830 pr_cont("enumeration_status(0x%08x)",
8831 le32_to_cpu(event_data->EnumerationStatus));
8836 * _scsih_ir_fastpath - turn on fastpath for IR physdisk
8837 * @ioc: per adapter object
8838 * @handle: device handle for physical disk
8839 * @phys_disk_num: physical disk number
8841 * Return: 0 for success, else failure.
8844 _scsih_ir_fastpath(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phys_disk_num)
8846 Mpi2RaidActionRequest_t *mpi_request;
8847 Mpi2RaidActionReply_t *mpi_reply;
8854 if (ioc->hba_mpi_version_belonged == MPI2_VERSION)
8857 mutex_lock(&ioc->scsih_cmds.mutex);
8859 if (ioc->scsih_cmds.status != MPT3_CMD_NOT_USED) {
8860 ioc_err(ioc, "%s: scsih_cmd in use\n", __func__);
8864 ioc->scsih_cmds.status = MPT3_CMD_PENDING;
8866 smid = mpt3sas_base_get_smid(ioc, ioc->scsih_cb_idx);
8868 ioc_err(ioc, "%s: failed obtaining a smid\n", __func__);
8869 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
8874 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
8875 ioc->scsih_cmds.smid = smid;
8876 memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t));
8878 mpi_request->Function = MPI2_FUNCTION_RAID_ACTION;
8879 mpi_request->Action = MPI2_RAID_ACTION_PHYSDISK_HIDDEN;
8880 mpi_request->PhysDiskNum = phys_disk_num;
8883 ioc_info(ioc, "IR RAID_ACTION: turning fast path on for handle(0x%04x), phys_disk_num (0x%02x)\n",
8884 handle, phys_disk_num));
8886 init_completion(&ioc->scsih_cmds.done);
8887 ioc->put_smid_default(ioc, smid);
8888 wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ);
8890 if (!(ioc->scsih_cmds.status & MPT3_CMD_COMPLETE)) {
8891 mpt3sas_check_cmd_timeout(ioc,
8892 ioc->scsih_cmds.status, mpi_request,
8893 sizeof(Mpi2RaidActionRequest_t)/4, issue_reset);
8898 if (ioc->scsih_cmds.status & MPT3_CMD_REPLY_VALID) {
8900 mpi_reply = ioc->scsih_cmds.reply;
8901 ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
8902 if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
8903 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
8906 ioc_status &= MPI2_IOCSTATUS_MASK;
8907 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
8909 ioc_info(ioc, "IR RAID_ACTION: failed: ioc_status(0x%04x), loginfo(0x%08x)!!!\n",
8910 ioc_status, log_info));
8914 ioc_info(ioc, "IR RAID_ACTION: completed successfully\n"));
8918 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
8919 mutex_unlock(&ioc->scsih_cmds.mutex);
8922 mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
8927 * _scsih_reprobe_lun - reprobing lun
8928 * @sdev: scsi device struct
8929 * @no_uld_attach: sdev->no_uld_attach flag setting
8933 _scsih_reprobe_lun(struct scsi_device *sdev, void *no_uld_attach)
8935 sdev->no_uld_attach = no_uld_attach ? 1 : 0;
8936 sdev_printk(KERN_INFO, sdev, "%s raid component\n",
8937 sdev->no_uld_attach ? "hiding" : "exposing");
8938 WARN_ON(scsi_device_reprobe(sdev));
8942 * _scsih_sas_volume_add - add new volume
8943 * @ioc: per adapter object
8944 * @element: IR config element data
8948 _scsih_sas_volume_add(struct MPT3SAS_ADAPTER *ioc,
8949 Mpi2EventIrConfigElement_t *element)
8951 struct _raid_device *raid_device;
8952 unsigned long flags;
8954 u16 handle = le16_to_cpu(element->VolDevHandle);
8957 mpt3sas_config_get_volume_wwid(ioc, handle, &wwid);
8959 ioc_err(ioc, "failure at %s:%d/%s()!\n",
8960 __FILE__, __LINE__, __func__);
8964 spin_lock_irqsave(&ioc->raid_device_lock, flags);
8965 raid_device = _scsih_raid_device_find_by_wwid(ioc, wwid);
8966 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
8971 raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
8973 ioc_err(ioc, "failure at %s:%d/%s()!\n",
8974 __FILE__, __LINE__, __func__);
8978 raid_device->id = ioc->sas_id++;
8979 raid_device->channel = RAID_CHANNEL;
8980 raid_device->handle = handle;
8981 raid_device->wwid = wwid;
8982 _scsih_raid_device_add(ioc, raid_device);
8983 if (!ioc->wait_for_discovery_to_complete) {
8984 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
8985 raid_device->id, 0);
8987 _scsih_raid_device_remove(ioc, raid_device);
8989 spin_lock_irqsave(&ioc->raid_device_lock, flags);
8990 _scsih_determine_boot_device(ioc, raid_device, 1);
8991 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
8996 * _scsih_sas_volume_delete - delete volume
8997 * @ioc: per adapter object
8998 * @handle: volume device handle
9002 _scsih_sas_volume_delete(struct MPT3SAS_ADAPTER *ioc, u16 handle)
9004 struct _raid_device *raid_device;
9005 unsigned long flags;
9006 struct MPT3SAS_TARGET *sas_target_priv_data;
9007 struct scsi_target *starget = NULL;
9009 spin_lock_irqsave(&ioc->raid_device_lock, flags);
9010 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
9012 if (raid_device->starget) {
9013 starget = raid_device->starget;
9014 sas_target_priv_data = starget->hostdata;
9015 sas_target_priv_data->deleted = 1;
9017 ioc_info(ioc, "removing handle(0x%04x), wwid(0x%016llx)\n",
9018 raid_device->handle, (u64)raid_device->wwid);
9019 list_del(&raid_device->list);
9022 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
9024 scsi_remove_target(&starget->dev);
9028 * _scsih_sas_pd_expose - expose pd component to /dev/sdX
9029 * @ioc: per adapter object
9030 * @element: IR config element data
9034 _scsih_sas_pd_expose(struct MPT3SAS_ADAPTER *ioc,
9035 Mpi2EventIrConfigElement_t *element)
9037 struct _sas_device *sas_device;
9038 struct scsi_target *starget = NULL;
9039 struct MPT3SAS_TARGET *sas_target_priv_data;
9040 unsigned long flags;
9041 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
9043 spin_lock_irqsave(&ioc->sas_device_lock, flags);
9044 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
9046 sas_device->volume_handle = 0;
9047 sas_device->volume_wwid = 0;
9048 clear_bit(handle, ioc->pd_handles);
9049 if (sas_device->starget && sas_device->starget->hostdata) {
9050 starget = sas_device->starget;
9051 sas_target_priv_data = starget->hostdata;
9052 sas_target_priv_data->flags &=
9053 ~MPT_TARGET_FLAGS_RAID_COMPONENT;
9056 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
9060 /* exposing raid component */
9062 starget_for_each_device(starget, NULL, _scsih_reprobe_lun);
9064 sas_device_put(sas_device);
9068 * _scsih_sas_pd_hide - hide pd component from /dev/sdX
9069 * @ioc: per adapter object
9070 * @element: IR config element data
9074 _scsih_sas_pd_hide(struct MPT3SAS_ADAPTER *ioc,
9075 Mpi2EventIrConfigElement_t *element)
9077 struct _sas_device *sas_device;
9078 struct scsi_target *starget = NULL;
9079 struct MPT3SAS_TARGET *sas_target_priv_data;
9080 unsigned long flags;
9081 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
9082 u16 volume_handle = 0;
9083 u64 volume_wwid = 0;
9085 mpt3sas_config_get_volume_handle(ioc, handle, &volume_handle);
9087 mpt3sas_config_get_volume_wwid(ioc, volume_handle,
9090 spin_lock_irqsave(&ioc->sas_device_lock, flags);
9091 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
9093 set_bit(handle, ioc->pd_handles);
9094 if (sas_device->starget && sas_device->starget->hostdata) {
9095 starget = sas_device->starget;
9096 sas_target_priv_data = starget->hostdata;
9097 sas_target_priv_data->flags |=
9098 MPT_TARGET_FLAGS_RAID_COMPONENT;
9099 sas_device->volume_handle = volume_handle;
9100 sas_device->volume_wwid = volume_wwid;
9103 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
9107 /* hiding raid component */
9108 _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum);
9111 starget_for_each_device(starget, (void *)1, _scsih_reprobe_lun);
9113 sas_device_put(sas_device);
9117 * _scsih_sas_pd_delete - delete pd component
9118 * @ioc: per adapter object
9119 * @element: IR config element data
9123 _scsih_sas_pd_delete(struct MPT3SAS_ADAPTER *ioc,
9124 Mpi2EventIrConfigElement_t *element)
9126 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
9128 _scsih_device_remove_by_handle(ioc, handle);
9132 * _scsih_sas_pd_add - remove pd component
9133 * @ioc: per adapter object
9134 * @element: IR config element data
9138 _scsih_sas_pd_add(struct MPT3SAS_ADAPTER *ioc,
9139 Mpi2EventIrConfigElement_t *element)
9141 struct _sas_device *sas_device;
9142 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
9143 Mpi2ConfigReply_t mpi_reply;
9144 Mpi2SasDevicePage0_t sas_device_pg0;
9149 set_bit(handle, ioc->pd_handles);
9151 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
9153 _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum);
9154 sas_device_put(sas_device);
9158 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
9159 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
9160 ioc_err(ioc, "failure at %s:%d/%s()!\n",
9161 __FILE__, __LINE__, __func__);
9165 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
9166 MPI2_IOCSTATUS_MASK;
9167 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
9168 ioc_err(ioc, "failure at %s:%d/%s()!\n",
9169 __FILE__, __LINE__, __func__);
9173 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
9174 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
9175 mpt3sas_transport_update_links(ioc, sas_address, handle,
9176 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5,
9177 mpt3sas_get_port_by_id(ioc,
9178 sas_device_pg0.PhysicalPort, 0));
9180 _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum);
9181 _scsih_add_device(ioc, handle, 0, 1);
9185 * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events
9186 * @ioc: per adapter object
9187 * @event_data: event data payload
9191 _scsih_sas_ir_config_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
9192 Mpi2EventDataIrConfigChangeList_t *event_data)
9194 Mpi2EventIrConfigElement_t *element;
9197 char *reason_str = NULL, *element_str = NULL;
9199 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
9201 ioc_info(ioc, "raid config change: (%s), elements(%d)\n",
9202 le32_to_cpu(event_data->Flags) & MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG ?
9203 "foreign" : "native",
9204 event_data->NumElements);
9205 for (i = 0; i < event_data->NumElements; i++, element++) {
9206 switch (element->ReasonCode) {
9207 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
9210 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
9211 reason_str = "remove";
9213 case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE:
9214 reason_str = "no change";
9216 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
9217 reason_str = "hide";
9219 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
9220 reason_str = "unhide";
9222 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
9223 reason_str = "volume_created";
9225 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
9226 reason_str = "volume_deleted";
9228 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
9229 reason_str = "pd_created";
9231 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
9232 reason_str = "pd_deleted";
9235 reason_str = "unknown reason";
9238 element_type = le16_to_cpu(element->ElementFlags) &
9239 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK;
9240 switch (element_type) {
9241 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT:
9242 element_str = "volume";
9244 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT:
9245 element_str = "phys disk";
9247 case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT:
9248 element_str = "hot spare";
9251 element_str = "unknown element";
9254 pr_info("\t(%s:%s), vol handle(0x%04x), " \
9255 "pd handle(0x%04x), pd num(0x%02x)\n", element_str,
9256 reason_str, le16_to_cpu(element->VolDevHandle),
9257 le16_to_cpu(element->PhysDiskDevHandle),
9258 element->PhysDiskNum);
9263 * _scsih_sas_ir_config_change_event - handle ir configuration change events
9264 * @ioc: per adapter object
9265 * @fw_event: The fw_event_work object
9269 _scsih_sas_ir_config_change_event(struct MPT3SAS_ADAPTER *ioc,
9270 struct fw_event_work *fw_event)
9272 Mpi2EventIrConfigElement_t *element;
9275 Mpi2EventDataIrConfigChangeList_t *event_data =
9276 (Mpi2EventDataIrConfigChangeList_t *)
9277 fw_event->event_data;
9279 if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) &&
9280 (!ioc->hide_ir_msg))
9281 _scsih_sas_ir_config_change_event_debug(ioc, event_data);
9283 foreign_config = (le32_to_cpu(event_data->Flags) &
9284 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
9286 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
9287 if (ioc->shost_recovery &&
9288 ioc->hba_mpi_version_belonged != MPI2_VERSION) {
9289 for (i = 0; i < event_data->NumElements; i++, element++) {
9290 if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_HIDE)
9291 _scsih_ir_fastpath(ioc,
9292 le16_to_cpu(element->PhysDiskDevHandle),
9293 element->PhysDiskNum);
9298 for (i = 0; i < event_data->NumElements; i++, element++) {
9300 switch (element->ReasonCode) {
9301 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
9302 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
9303 if (!foreign_config)
9304 _scsih_sas_volume_add(ioc, element);
9306 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
9307 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
9308 if (!foreign_config)
9309 _scsih_sas_volume_delete(ioc,
9310 le16_to_cpu(element->VolDevHandle));
9312 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
9313 if (!ioc->is_warpdrive)
9314 _scsih_sas_pd_hide(ioc, element);
9316 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
9317 if (!ioc->is_warpdrive)
9318 _scsih_sas_pd_expose(ioc, element);
9320 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
9321 if (!ioc->is_warpdrive)
9322 _scsih_sas_pd_add(ioc, element);
9324 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
9325 if (!ioc->is_warpdrive)
9326 _scsih_sas_pd_delete(ioc, element);
9333 * _scsih_sas_ir_volume_event - IR volume event
9334 * @ioc: per adapter object
9335 * @fw_event: The fw_event_work object
9339 _scsih_sas_ir_volume_event(struct MPT3SAS_ADAPTER *ioc,
9340 struct fw_event_work *fw_event)
9343 unsigned long flags;
9344 struct _raid_device *raid_device;
9348 Mpi2EventDataIrVolume_t *event_data =
9349 (Mpi2EventDataIrVolume_t *) fw_event->event_data;
9351 if (ioc->shost_recovery)
9354 if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
9357 handle = le16_to_cpu(event_data->VolDevHandle);
9358 state = le32_to_cpu(event_data->NewValue);
9359 if (!ioc->hide_ir_msg)
9361 ioc_info(ioc, "%s: handle(0x%04x), old(0x%08x), new(0x%08x)\n",
9363 le32_to_cpu(event_data->PreviousValue),
9366 case MPI2_RAID_VOL_STATE_MISSING:
9367 case MPI2_RAID_VOL_STATE_FAILED:
9368 _scsih_sas_volume_delete(ioc, handle);
9371 case MPI2_RAID_VOL_STATE_ONLINE:
9372 case MPI2_RAID_VOL_STATE_DEGRADED:
9373 case MPI2_RAID_VOL_STATE_OPTIMAL:
9375 spin_lock_irqsave(&ioc->raid_device_lock, flags);
9376 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
9377 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
9382 mpt3sas_config_get_volume_wwid(ioc, handle, &wwid);
9384 ioc_err(ioc, "failure at %s:%d/%s()!\n",
9385 __FILE__, __LINE__, __func__);
9389 raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
9391 ioc_err(ioc, "failure at %s:%d/%s()!\n",
9392 __FILE__, __LINE__, __func__);
9396 raid_device->id = ioc->sas_id++;
9397 raid_device->channel = RAID_CHANNEL;
9398 raid_device->handle = handle;
9399 raid_device->wwid = wwid;
9400 _scsih_raid_device_add(ioc, raid_device);
9401 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
9402 raid_device->id, 0);
9404 _scsih_raid_device_remove(ioc, raid_device);
9407 case MPI2_RAID_VOL_STATE_INITIALIZING:
9414 * _scsih_sas_ir_physical_disk_event - PD event
9415 * @ioc: per adapter object
9416 * @fw_event: The fw_event_work object
9420 _scsih_sas_ir_physical_disk_event(struct MPT3SAS_ADAPTER *ioc,
9421 struct fw_event_work *fw_event)
9423 u16 handle, parent_handle;
9425 struct _sas_device *sas_device;
9426 Mpi2ConfigReply_t mpi_reply;
9427 Mpi2SasDevicePage0_t sas_device_pg0;
9429 Mpi2EventDataIrPhysicalDisk_t *event_data =
9430 (Mpi2EventDataIrPhysicalDisk_t *) fw_event->event_data;
9433 if (ioc->shost_recovery)
9436 if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED)
9439 handle = le16_to_cpu(event_data->PhysDiskDevHandle);
9440 state = le32_to_cpu(event_data->NewValue);
9442 if (!ioc->hide_ir_msg)
9444 ioc_info(ioc, "%s: handle(0x%04x), old(0x%08x), new(0x%08x)\n",
9446 le32_to_cpu(event_data->PreviousValue),
9450 case MPI2_RAID_PD_STATE_ONLINE:
9451 case MPI2_RAID_PD_STATE_DEGRADED:
9452 case MPI2_RAID_PD_STATE_REBUILDING:
9453 case MPI2_RAID_PD_STATE_OPTIMAL:
9454 case MPI2_RAID_PD_STATE_HOT_SPARE:
9456 if (!ioc->is_warpdrive)
9457 set_bit(handle, ioc->pd_handles);
9459 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
9461 sas_device_put(sas_device);
9465 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
9466 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
9468 ioc_err(ioc, "failure at %s:%d/%s()!\n",
9469 __FILE__, __LINE__, __func__);
9473 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
9474 MPI2_IOCSTATUS_MASK;
9475 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
9476 ioc_err(ioc, "failure at %s:%d/%s()!\n",
9477 __FILE__, __LINE__, __func__);
9481 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
9482 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
9483 mpt3sas_transport_update_links(ioc, sas_address, handle,
9484 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5,
9485 mpt3sas_get_port_by_id(ioc,
9486 sas_device_pg0.PhysicalPort, 0));
9488 _scsih_add_device(ioc, handle, 0, 1);
9492 case MPI2_RAID_PD_STATE_OFFLINE:
9493 case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
9494 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
9501 * _scsih_sas_ir_operation_status_event_debug - debug for IR op event
9502 * @ioc: per adapter object
9503 * @event_data: event data payload
9507 _scsih_sas_ir_operation_status_event_debug(struct MPT3SAS_ADAPTER *ioc,
9508 Mpi2EventDataIrOperationStatus_t *event_data)
9510 char *reason_str = NULL;
9512 switch (event_data->RAIDOperation) {
9513 case MPI2_EVENT_IR_RAIDOP_RESYNC:
9514 reason_str = "resync";
9516 case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION:
9517 reason_str = "online capacity expansion";
9519 case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK:
9520 reason_str = "consistency check";
9522 case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT:
9523 reason_str = "background init";
9525 case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT:
9526 reason_str = "make data consistent";
9533 ioc_info(ioc, "raid operational status: (%s)\thandle(0x%04x), percent complete(%d)\n",
9535 le16_to_cpu(event_data->VolDevHandle),
9536 event_data->PercentComplete);
9540 * _scsih_sas_ir_operation_status_event - handle RAID operation events
9541 * @ioc: per adapter object
9542 * @fw_event: The fw_event_work object
9546 _scsih_sas_ir_operation_status_event(struct MPT3SAS_ADAPTER *ioc,
9547 struct fw_event_work *fw_event)
9549 Mpi2EventDataIrOperationStatus_t *event_data =
9550 (Mpi2EventDataIrOperationStatus_t *)
9551 fw_event->event_data;
9552 static struct _raid_device *raid_device;
9553 unsigned long flags;
9556 if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) &&
9557 (!ioc->hide_ir_msg))
9558 _scsih_sas_ir_operation_status_event_debug(ioc,
9561 /* code added for raid transport support */
9562 if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) {
9564 spin_lock_irqsave(&ioc->raid_device_lock, flags);
9565 handle = le16_to_cpu(event_data->VolDevHandle);
9566 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
9568 raid_device->percent_complete =
9569 event_data->PercentComplete;
9570 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
9575 * _scsih_prep_device_scan - initialize parameters prior to device scan
9576 * @ioc: per adapter object
9578 * Set the deleted flag prior to device scan. If the device is found during
9579 * the scan, then we clear the deleted flag.
9582 _scsih_prep_device_scan(struct MPT3SAS_ADAPTER *ioc)
9584 struct MPT3SAS_DEVICE *sas_device_priv_data;
9585 struct scsi_device *sdev;
9587 shost_for_each_device(sdev, ioc->shost) {
9588 sas_device_priv_data = sdev->hostdata;
9589 if (sas_device_priv_data && sas_device_priv_data->sas_target)
9590 sas_device_priv_data->sas_target->deleted = 1;
9595 * _scsih_update_device_qdepth - Update QD during Reset.
9596 * @ioc: per adapter object
9600 _scsih_update_device_qdepth(struct MPT3SAS_ADAPTER *ioc)
9602 struct MPT3SAS_DEVICE *sas_device_priv_data;
9603 struct MPT3SAS_TARGET *sas_target_priv_data;
9604 struct _sas_device *sas_device;
9605 struct scsi_device *sdev;
9608 ioc_info(ioc, "Update devices with firmware reported queue depth\n");
9609 shost_for_each_device(sdev, ioc->shost) {
9610 sas_device_priv_data = sdev->hostdata;
9611 if (sas_device_priv_data && sas_device_priv_data->sas_target) {
9612 sas_target_priv_data = sas_device_priv_data->sas_target;
9613 sas_device = sas_device_priv_data->sas_target->sas_dev;
9614 if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_PCIE_DEVICE)
9615 qdepth = ioc->max_nvme_qd;
9616 else if (sas_device &&
9617 sas_device->device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET)
9618 qdepth = (sas_device->port_type > 1) ?
9619 ioc->max_wideport_qd : ioc->max_narrowport_qd;
9620 else if (sas_device &&
9621 sas_device->device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
9622 qdepth = ioc->max_sata_qd;
9625 mpt3sas_scsih_change_queue_depth(sdev, qdepth);
9631 * _scsih_mark_responding_sas_device - mark a sas_devices as responding
9632 * @ioc: per adapter object
9633 * @sas_device_pg0: SAS Device page 0
9635 * After host reset, find out whether devices are still responding.
9636 * Used in _scsih_remove_unresponsive_sas_devices.
9639 _scsih_mark_responding_sas_device(struct MPT3SAS_ADAPTER *ioc,
9640 Mpi2SasDevicePage0_t *sas_device_pg0)
9642 struct MPT3SAS_TARGET *sas_target_priv_data = NULL;
9643 struct scsi_target *starget;
9644 struct _sas_device *sas_device = NULL;
9645 struct _enclosure_node *enclosure_dev = NULL;
9646 unsigned long flags;
9647 struct hba_port *port = mpt3sas_get_port_by_id(
9648 ioc, sas_device_pg0->PhysicalPort, 0);
9650 if (sas_device_pg0->EnclosureHandle) {
9652 mpt3sas_scsih_enclosure_find_by_handle(ioc,
9653 le16_to_cpu(sas_device_pg0->EnclosureHandle));
9654 if (enclosure_dev == NULL)
9655 ioc_info(ioc, "Enclosure handle(0x%04x) doesn't match with enclosure device!\n",
9656 sas_device_pg0->EnclosureHandle);
9658 spin_lock_irqsave(&ioc->sas_device_lock, flags);
9659 list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
9660 if (sas_device->sas_address != le64_to_cpu(
9661 sas_device_pg0->SASAddress))
9663 if (sas_device->slot != le16_to_cpu(sas_device_pg0->Slot))
9665 if (sas_device->port != port)
9667 sas_device->responding = 1;
9668 starget = sas_device->starget;
9669 if (starget && starget->hostdata) {
9670 sas_target_priv_data = starget->hostdata;
9671 sas_target_priv_data->tm_busy = 0;
9672 sas_target_priv_data->deleted = 0;
9674 sas_target_priv_data = NULL;
9676 starget_printk(KERN_INFO, starget,
9677 "handle(0x%04x), sas_addr(0x%016llx)\n",
9678 le16_to_cpu(sas_device_pg0->DevHandle),
9679 (unsigned long long)
9680 sas_device->sas_address);
9682 if (sas_device->enclosure_handle != 0)
9683 starget_printk(KERN_INFO, starget,
9684 "enclosure logical id(0x%016llx), slot(%d)\n",
9685 (unsigned long long)
9686 sas_device->enclosure_logical_id,
9689 if (le16_to_cpu(sas_device_pg0->Flags) &
9690 MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
9691 sas_device->enclosure_level =
9692 sas_device_pg0->EnclosureLevel;
9693 memcpy(&sas_device->connector_name[0],
9694 &sas_device_pg0->ConnectorName[0], 4);
9696 sas_device->enclosure_level = 0;
9697 sas_device->connector_name[0] = '\0';
9700 sas_device->enclosure_handle =
9701 le16_to_cpu(sas_device_pg0->EnclosureHandle);
9702 sas_device->is_chassis_slot_valid = 0;
9703 if (enclosure_dev) {
9704 sas_device->enclosure_logical_id = le64_to_cpu(
9705 enclosure_dev->pg0.EnclosureLogicalID);
9706 if (le16_to_cpu(enclosure_dev->pg0.Flags) &
9707 MPI2_SAS_ENCLS0_FLAGS_CHASSIS_SLOT_VALID) {
9708 sas_device->is_chassis_slot_valid = 1;
9709 sas_device->chassis_slot =
9710 enclosure_dev->pg0.ChassisSlot;
9714 if (sas_device->handle == le16_to_cpu(
9715 sas_device_pg0->DevHandle))
9717 pr_info("\thandle changed from(0x%04x)!!!\n",
9718 sas_device->handle);
9719 sas_device->handle = le16_to_cpu(
9720 sas_device_pg0->DevHandle);
9721 if (sas_target_priv_data)
9722 sas_target_priv_data->handle =
9723 le16_to_cpu(sas_device_pg0->DevHandle);
9727 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
9731 * _scsih_create_enclosure_list_after_reset - Free Existing list,
9732 * And create enclosure list by scanning all Enclosure Page(0)s
9733 * @ioc: per adapter object
9736 _scsih_create_enclosure_list_after_reset(struct MPT3SAS_ADAPTER *ioc)
9738 struct _enclosure_node *enclosure_dev;
9739 Mpi2ConfigReply_t mpi_reply;
9740 u16 enclosure_handle;
9743 /* Free existing enclosure list */
9744 mpt3sas_free_enclosure_list(ioc);
9746 /* Re constructing enclosure list after reset*/
9747 enclosure_handle = 0xFFFF;
9750 kzalloc(sizeof(struct _enclosure_node), GFP_KERNEL);
9751 if (!enclosure_dev) {
9752 ioc_err(ioc, "failure at %s:%d/%s()!\n",
9753 __FILE__, __LINE__, __func__);
9756 rc = mpt3sas_config_get_enclosure_pg0(ioc, &mpi_reply,
9757 &enclosure_dev->pg0,
9758 MPI2_SAS_ENCLOS_PGAD_FORM_GET_NEXT_HANDLE,
9761 if (rc || (le16_to_cpu(mpi_reply.IOCStatus) &
9762 MPI2_IOCSTATUS_MASK)) {
9763 kfree(enclosure_dev);
9766 list_add_tail(&enclosure_dev->list,
9767 &ioc->enclosure_list);
9769 le16_to_cpu(enclosure_dev->pg0.EnclosureHandle);
9774 * _scsih_search_responding_sas_devices -
9775 * @ioc: per adapter object
9777 * After host reset, find out whether devices are still responding.
9781 _scsih_search_responding_sas_devices(struct MPT3SAS_ADAPTER *ioc)
9783 Mpi2SasDevicePage0_t sas_device_pg0;
9784 Mpi2ConfigReply_t mpi_reply;
9789 ioc_info(ioc, "search for end-devices: start\n");
9791 if (list_empty(&ioc->sas_device_list))
9795 while (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
9796 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
9798 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
9799 MPI2_IOCSTATUS_MASK;
9800 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
9802 handle = le16_to_cpu(sas_device_pg0.DevHandle);
9803 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
9804 if (!(_scsih_is_end_device(device_info)))
9806 _scsih_mark_responding_sas_device(ioc, &sas_device_pg0);
9810 ioc_info(ioc, "search for end-devices: complete\n");
9814 * _scsih_mark_responding_pcie_device - mark a pcie_device as responding
9815 * @ioc: per adapter object
9816 * @pcie_device_pg0: PCIe Device page 0
9818 * After host reset, find out whether devices are still responding.
9819 * Used in _scsih_remove_unresponding_devices.
9822 _scsih_mark_responding_pcie_device(struct MPT3SAS_ADAPTER *ioc,
9823 Mpi26PCIeDevicePage0_t *pcie_device_pg0)
9825 struct MPT3SAS_TARGET *sas_target_priv_data = NULL;
9826 struct scsi_target *starget;
9827 struct _pcie_device *pcie_device;
9828 unsigned long flags;
9830 spin_lock_irqsave(&ioc->pcie_device_lock, flags);
9831 list_for_each_entry(pcie_device, &ioc->pcie_device_list, list) {
9832 if ((pcie_device->wwid == le64_to_cpu(pcie_device_pg0->WWID))
9833 && (pcie_device->slot == le16_to_cpu(
9834 pcie_device_pg0->Slot))) {
9835 pcie_device->access_status =
9836 pcie_device_pg0->AccessStatus;
9837 pcie_device->responding = 1;
9838 starget = pcie_device->starget;
9839 if (starget && starget->hostdata) {
9840 sas_target_priv_data = starget->hostdata;
9841 sas_target_priv_data->tm_busy = 0;
9842 sas_target_priv_data->deleted = 0;
9844 sas_target_priv_data = NULL;
9846 starget_printk(KERN_INFO, starget,
9847 "handle(0x%04x), wwid(0x%016llx) ",
9848 pcie_device->handle,
9849 (unsigned long long)pcie_device->wwid);
9850 if (pcie_device->enclosure_handle != 0)
9851 starget_printk(KERN_INFO, starget,
9852 "enclosure logical id(0x%016llx), "
9854 (unsigned long long)
9855 pcie_device->enclosure_logical_id,
9859 if (((le32_to_cpu(pcie_device_pg0->Flags)) &
9860 MPI26_PCIEDEV0_FLAGS_ENCL_LEVEL_VALID) &&
9861 (ioc->hba_mpi_version_belonged != MPI2_VERSION)) {
9862 pcie_device->enclosure_level =
9863 pcie_device_pg0->EnclosureLevel;
9864 memcpy(&pcie_device->connector_name[0],
9865 &pcie_device_pg0->ConnectorName[0], 4);
9867 pcie_device->enclosure_level = 0;
9868 pcie_device->connector_name[0] = '\0';
9871 if (pcie_device->handle == le16_to_cpu(
9872 pcie_device_pg0->DevHandle))
9874 pr_info("\thandle changed from(0x%04x)!!!\n",
9875 pcie_device->handle);
9876 pcie_device->handle = le16_to_cpu(
9877 pcie_device_pg0->DevHandle);
9878 if (sas_target_priv_data)
9879 sas_target_priv_data->handle =
9880 le16_to_cpu(pcie_device_pg0->DevHandle);
9886 spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
9890 * _scsih_search_responding_pcie_devices -
9891 * @ioc: per adapter object
9893 * After host reset, find out whether devices are still responding.
9897 _scsih_search_responding_pcie_devices(struct MPT3SAS_ADAPTER *ioc)
9899 Mpi26PCIeDevicePage0_t pcie_device_pg0;
9900 Mpi2ConfigReply_t mpi_reply;
9905 ioc_info(ioc, "search for end-devices: start\n");
9907 if (list_empty(&ioc->pcie_device_list))
9911 while (!(mpt3sas_config_get_pcie_device_pg0(ioc, &mpi_reply,
9912 &pcie_device_pg0, MPI26_PCIE_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
9914 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
9915 MPI2_IOCSTATUS_MASK;
9916 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
9917 ioc_info(ioc, "\tbreak from %s: ioc_status(0x%04x), loginfo(0x%08x)\n",
9918 __func__, ioc_status,
9919 le32_to_cpu(mpi_reply.IOCLogInfo));
9922 handle = le16_to_cpu(pcie_device_pg0.DevHandle);
9923 device_info = le32_to_cpu(pcie_device_pg0.DeviceInfo);
9924 if (!(_scsih_is_nvme_pciescsi_device(device_info)))
9926 _scsih_mark_responding_pcie_device(ioc, &pcie_device_pg0);
9929 ioc_info(ioc, "search for PCIe end-devices: complete\n");
9933 * _scsih_mark_responding_raid_device - mark a raid_device as responding
9934 * @ioc: per adapter object
9935 * @wwid: world wide identifier for raid volume
9936 * @handle: device handle
9938 * After host reset, find out whether devices are still responding.
9939 * Used in _scsih_remove_unresponsive_raid_devices.
9942 _scsih_mark_responding_raid_device(struct MPT3SAS_ADAPTER *ioc, u64 wwid,
9945 struct MPT3SAS_TARGET *sas_target_priv_data = NULL;
9946 struct scsi_target *starget;
9947 struct _raid_device *raid_device;
9948 unsigned long flags;
9950 spin_lock_irqsave(&ioc->raid_device_lock, flags);
9951 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
9952 if (raid_device->wwid == wwid && raid_device->starget) {
9953 starget = raid_device->starget;
9954 if (starget && starget->hostdata) {
9955 sas_target_priv_data = starget->hostdata;
9956 sas_target_priv_data->deleted = 0;
9958 sas_target_priv_data = NULL;
9959 raid_device->responding = 1;
9960 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
9961 starget_printk(KERN_INFO, raid_device->starget,
9962 "handle(0x%04x), wwid(0x%016llx)\n", handle,
9963 (unsigned long long)raid_device->wwid);
9966 * WARPDRIVE: The handles of the PDs might have changed
9967 * across the host reset so re-initialize the
9968 * required data for Direct IO
9970 mpt3sas_init_warpdrive_properties(ioc, raid_device);
9971 spin_lock_irqsave(&ioc->raid_device_lock, flags);
9972 if (raid_device->handle == handle) {
9973 spin_unlock_irqrestore(&ioc->raid_device_lock,
9977 pr_info("\thandle changed from(0x%04x)!!!\n",
9978 raid_device->handle);
9979 raid_device->handle = handle;
9980 if (sas_target_priv_data)
9981 sas_target_priv_data->handle = handle;
9982 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
9986 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
9990 * _scsih_search_responding_raid_devices -
9991 * @ioc: per adapter object
9993 * After host reset, find out whether devices are still responding.
9997 _scsih_search_responding_raid_devices(struct MPT3SAS_ADAPTER *ioc)
9999 Mpi2RaidVolPage1_t volume_pg1;
10000 Mpi2RaidVolPage0_t volume_pg0;
10001 Mpi2RaidPhysDiskPage0_t pd_pg0;
10002 Mpi2ConfigReply_t mpi_reply;
10007 if (!ioc->ir_firmware)
10010 ioc_info(ioc, "search for raid volumes: start\n");
10012 if (list_empty(&ioc->raid_device_list))
10016 while (!(mpt3sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
10017 &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
10018 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
10019 MPI2_IOCSTATUS_MASK;
10020 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
10022 handle = le16_to_cpu(volume_pg1.DevHandle);
10024 if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply,
10025 &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
10026 sizeof(Mpi2RaidVolPage0_t)))
10029 if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL ||
10030 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE ||
10031 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED)
10032 _scsih_mark_responding_raid_device(ioc,
10033 le64_to_cpu(volume_pg1.WWID), handle);
10036 /* refresh the pd_handles */
10037 if (!ioc->is_warpdrive) {
10038 phys_disk_num = 0xFF;
10039 memset(ioc->pd_handles, 0, ioc->pd_handles_sz);
10040 while (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
10041 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM,
10043 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
10044 MPI2_IOCSTATUS_MASK;
10045 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
10047 phys_disk_num = pd_pg0.PhysDiskNum;
10048 handle = le16_to_cpu(pd_pg0.DevHandle);
10049 set_bit(handle, ioc->pd_handles);
10053 ioc_info(ioc, "search for responding raid volumes: complete\n");
10057 * _scsih_mark_responding_expander - mark a expander as responding
10058 * @ioc: per adapter object
10059 * @expander_pg0:SAS Expander Config Page0
10061 * After host reset, find out whether devices are still responding.
10062 * Used in _scsih_remove_unresponsive_expanders.
10065 _scsih_mark_responding_expander(struct MPT3SAS_ADAPTER *ioc,
10066 Mpi2ExpanderPage0_t *expander_pg0)
10068 struct _sas_node *sas_expander = NULL;
10069 unsigned long flags;
10071 struct _enclosure_node *enclosure_dev = NULL;
10072 u16 handle = le16_to_cpu(expander_pg0->DevHandle);
10073 u16 enclosure_handle = le16_to_cpu(expander_pg0->EnclosureHandle);
10074 u64 sas_address = le64_to_cpu(expander_pg0->SASAddress);
10075 struct hba_port *port = mpt3sas_get_port_by_id(
10076 ioc, expander_pg0->PhysicalPort, 0);
10078 if (enclosure_handle)
10080 mpt3sas_scsih_enclosure_find_by_handle(ioc,
10083 spin_lock_irqsave(&ioc->sas_node_lock, flags);
10084 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
10085 if (sas_expander->sas_address != sas_address)
10087 if (sas_expander->port != port)
10089 sas_expander->responding = 1;
10091 if (enclosure_dev) {
10092 sas_expander->enclosure_logical_id =
10093 le64_to_cpu(enclosure_dev->pg0.EnclosureLogicalID);
10094 sas_expander->enclosure_handle =
10095 le16_to_cpu(expander_pg0->EnclosureHandle);
10098 if (sas_expander->handle == handle)
10100 pr_info("\texpander(0x%016llx): handle changed" \
10101 " from(0x%04x) to (0x%04x)!!!\n",
10102 (unsigned long long)sas_expander->sas_address,
10103 sas_expander->handle, handle);
10104 sas_expander->handle = handle;
10105 for (i = 0 ; i < sas_expander->num_phys ; i++)
10106 sas_expander->phy[i].handle = handle;
10110 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
10114 * _scsih_search_responding_expanders -
10115 * @ioc: per adapter object
10117 * After host reset, find out whether devices are still responding.
10121 _scsih_search_responding_expanders(struct MPT3SAS_ADAPTER *ioc)
10123 Mpi2ExpanderPage0_t expander_pg0;
10124 Mpi2ConfigReply_t mpi_reply;
10130 ioc_info(ioc, "search for expanders: start\n");
10132 if (list_empty(&ioc->sas_expander_list))
10136 while (!(mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
10137 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) {
10139 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
10140 MPI2_IOCSTATUS_MASK;
10141 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
10144 handle = le16_to_cpu(expander_pg0.DevHandle);
10145 sas_address = le64_to_cpu(expander_pg0.SASAddress);
10146 port = expander_pg0.PhysicalPort;
10148 "\texpander present: handle(0x%04x), sas_addr(0x%016llx), port:%d\n",
10149 handle, (unsigned long long)sas_address,
10150 (ioc->multipath_on_hba ?
10151 port : MULTIPATH_DISABLED_PORT_ID));
10152 _scsih_mark_responding_expander(ioc, &expander_pg0);
10156 ioc_info(ioc, "search for expanders: complete\n");
10160 * _scsih_remove_unresponding_devices - removing unresponding devices
10161 * @ioc: per adapter object
10164 _scsih_remove_unresponding_devices(struct MPT3SAS_ADAPTER *ioc)
10166 struct _sas_device *sas_device, *sas_device_next;
10167 struct _sas_node *sas_expander, *sas_expander_next;
10168 struct _raid_device *raid_device, *raid_device_next;
10169 struct _pcie_device *pcie_device, *pcie_device_next;
10170 struct list_head tmp_list;
10171 unsigned long flags;
10174 ioc_info(ioc, "removing unresponding devices: start\n");
10176 /* removing unresponding end devices */
10177 ioc_info(ioc, "removing unresponding devices: end-devices\n");
10179 * Iterate, pulling off devices marked as non-responding. We become the
10180 * owner for the reference the list had on any object we prune.
10182 spin_lock_irqsave(&ioc->sas_device_lock, flags);
10185 * Clean up the sas_device_init_list list as
10186 * driver goes for fresh scan as part of diag reset.
10188 list_for_each_entry_safe(sas_device, sas_device_next,
10189 &ioc->sas_device_init_list, list) {
10190 list_del_init(&sas_device->list);
10191 sas_device_put(sas_device);
10194 list_for_each_entry_safe(sas_device, sas_device_next,
10195 &ioc->sas_device_list, list) {
10196 if (!sas_device->responding)
10197 list_move_tail(&sas_device->list, &head);
10199 sas_device->responding = 0;
10201 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
10204 * Now, uninitialize and remove the unresponding devices we pruned.
10206 list_for_each_entry_safe(sas_device, sas_device_next, &head, list) {
10207 _scsih_remove_device(ioc, sas_device);
10208 list_del_init(&sas_device->list);
10209 sas_device_put(sas_device);
10212 ioc_info(ioc, "Removing unresponding devices: pcie end-devices\n");
10213 INIT_LIST_HEAD(&head);
10214 spin_lock_irqsave(&ioc->pcie_device_lock, flags);
10216 * Clean up the pcie_device_init_list list as
10217 * driver goes for fresh scan as part of diag reset.
10219 list_for_each_entry_safe(pcie_device, pcie_device_next,
10220 &ioc->pcie_device_init_list, list) {
10221 list_del_init(&pcie_device->list);
10222 pcie_device_put(pcie_device);
10225 list_for_each_entry_safe(pcie_device, pcie_device_next,
10226 &ioc->pcie_device_list, list) {
10227 if (!pcie_device->responding)
10228 list_move_tail(&pcie_device->list, &head);
10230 pcie_device->responding = 0;
10232 spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
10234 list_for_each_entry_safe(pcie_device, pcie_device_next, &head, list) {
10235 _scsih_pcie_device_remove_from_sml(ioc, pcie_device);
10236 list_del_init(&pcie_device->list);
10237 pcie_device_put(pcie_device);
10240 /* removing unresponding volumes */
10241 if (ioc->ir_firmware) {
10242 ioc_info(ioc, "removing unresponding devices: volumes\n");
10243 list_for_each_entry_safe(raid_device, raid_device_next,
10244 &ioc->raid_device_list, list) {
10245 if (!raid_device->responding)
10246 _scsih_sas_volume_delete(ioc,
10247 raid_device->handle);
10249 raid_device->responding = 0;
10253 /* removing unresponding expanders */
10254 ioc_info(ioc, "removing unresponding devices: expanders\n");
10255 spin_lock_irqsave(&ioc->sas_node_lock, flags);
10256 INIT_LIST_HEAD(&tmp_list);
10257 list_for_each_entry_safe(sas_expander, sas_expander_next,
10258 &ioc->sas_expander_list, list) {
10259 if (!sas_expander->responding)
10260 list_move_tail(&sas_expander->list, &tmp_list);
10262 sas_expander->responding = 0;
10264 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
10265 list_for_each_entry_safe(sas_expander, sas_expander_next, &tmp_list,
10267 _scsih_expander_node_remove(ioc, sas_expander);
10270 ioc_info(ioc, "removing unresponding devices: complete\n");
10272 /* unblock devices */
10273 _scsih_ublock_io_all_device(ioc);
10277 _scsih_refresh_expander_links(struct MPT3SAS_ADAPTER *ioc,
10278 struct _sas_node *sas_expander, u16 handle)
10280 Mpi2ExpanderPage1_t expander_pg1;
10281 Mpi2ConfigReply_t mpi_reply;
10284 for (i = 0 ; i < sas_expander->num_phys ; i++) {
10285 if ((mpt3sas_config_get_expander_pg1(ioc, &mpi_reply,
10286 &expander_pg1, i, handle))) {
10287 ioc_err(ioc, "failure at %s:%d/%s()!\n",
10288 __FILE__, __LINE__, __func__);
10292 mpt3sas_transport_update_links(ioc, sas_expander->sas_address,
10293 le16_to_cpu(expander_pg1.AttachedDevHandle), i,
10294 expander_pg1.NegotiatedLinkRate >> 4,
10295 sas_expander->port);
10300 * _scsih_scan_for_devices_after_reset - scan for devices after host reset
10301 * @ioc: per adapter object
10304 _scsih_scan_for_devices_after_reset(struct MPT3SAS_ADAPTER *ioc)
10306 Mpi2ExpanderPage0_t expander_pg0;
10307 Mpi2SasDevicePage0_t sas_device_pg0;
10308 Mpi26PCIeDevicePage0_t pcie_device_pg0;
10309 Mpi2RaidVolPage1_t *volume_pg1;
10310 Mpi2RaidVolPage0_t *volume_pg0;
10311 Mpi2RaidPhysDiskPage0_t pd_pg0;
10312 Mpi2EventIrConfigElement_t element;
10313 Mpi2ConfigReply_t mpi_reply;
10314 u8 phys_disk_num, port_id;
10316 u16 handle, parent_handle;
10318 struct _sas_device *sas_device;
10319 struct _pcie_device *pcie_device;
10320 struct _sas_node *expander_device;
10321 static struct _raid_device *raid_device;
10323 unsigned long flags;
10325 volume_pg0 = kzalloc(sizeof(*volume_pg0), GFP_KERNEL);
10329 volume_pg1 = kzalloc(sizeof(*volume_pg1), GFP_KERNEL);
10335 ioc_info(ioc, "scan devices: start\n");
10337 _scsih_sas_host_refresh(ioc);
10339 ioc_info(ioc, "\tscan devices: expanders start\n");
10343 while (!(mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
10344 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) {
10345 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
10346 MPI2_IOCSTATUS_MASK;
10347 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
10348 ioc_info(ioc, "\tbreak from expander scan: ioc_status(0x%04x), loginfo(0x%08x)\n",
10349 ioc_status, le32_to_cpu(mpi_reply.IOCLogInfo));
10352 handle = le16_to_cpu(expander_pg0.DevHandle);
10353 spin_lock_irqsave(&ioc->sas_node_lock, flags);
10354 port_id = expander_pg0.PhysicalPort;
10355 expander_device = mpt3sas_scsih_expander_find_by_sas_address(
10356 ioc, le64_to_cpu(expander_pg0.SASAddress),
10357 mpt3sas_get_port_by_id(ioc, port_id, 0));
10358 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
10359 if (expander_device)
10360 _scsih_refresh_expander_links(ioc, expander_device,
10363 ioc_info(ioc, "\tBEFORE adding expander: handle (0x%04x), sas_addr(0x%016llx)\n",
10365 (u64)le64_to_cpu(expander_pg0.SASAddress));
10366 _scsih_expander_add(ioc, handle);
10367 ioc_info(ioc, "\tAFTER adding expander: handle (0x%04x), sas_addr(0x%016llx)\n",
10369 (u64)le64_to_cpu(expander_pg0.SASAddress));
10373 ioc_info(ioc, "\tscan devices: expanders complete\n");
10375 if (!ioc->ir_firmware)
10378 ioc_info(ioc, "\tscan devices: phys disk start\n");
10381 phys_disk_num = 0xFF;
10382 while (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
10383 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM,
10385 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
10386 MPI2_IOCSTATUS_MASK;
10387 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
10388 ioc_info(ioc, "\tbreak from phys disk scan: ioc_status(0x%04x), loginfo(0x%08x)\n",
10389 ioc_status, le32_to_cpu(mpi_reply.IOCLogInfo));
10392 phys_disk_num = pd_pg0.PhysDiskNum;
10393 handle = le16_to_cpu(pd_pg0.DevHandle);
10394 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
10396 sas_device_put(sas_device);
10399 if (mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
10400 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
10403 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
10404 MPI2_IOCSTATUS_MASK;
10405 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
10406 ioc_info(ioc, "\tbreak from phys disk scan ioc_status(0x%04x), loginfo(0x%08x)\n",
10407 ioc_status, le32_to_cpu(mpi_reply.IOCLogInfo));
10410 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
10411 if (!_scsih_get_sas_address(ioc, parent_handle,
10413 ioc_info(ioc, "\tBEFORE adding phys disk: handle (0x%04x), sas_addr(0x%016llx)\n",
10415 (u64)le64_to_cpu(sas_device_pg0.SASAddress));
10416 port_id = sas_device_pg0.PhysicalPort;
10417 mpt3sas_transport_update_links(ioc, sas_address,
10418 handle, sas_device_pg0.PhyNum,
10419 MPI2_SAS_NEG_LINK_RATE_1_5,
10420 mpt3sas_get_port_by_id(ioc, port_id, 0));
10421 set_bit(handle, ioc->pd_handles);
10423 /* This will retry adding the end device.
10424 * _scsih_add_device() will decide on retries and
10425 * return "1" when it should be retried
10427 while (_scsih_add_device(ioc, handle, retry_count++,
10431 ioc_info(ioc, "\tAFTER adding phys disk: handle (0x%04x), sas_addr(0x%016llx)\n",
10433 (u64)le64_to_cpu(sas_device_pg0.SASAddress));
10437 ioc_info(ioc, "\tscan devices: phys disk complete\n");
10439 ioc_info(ioc, "\tscan devices: volumes start\n");
10443 while (!(mpt3sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
10444 volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
10445 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
10446 MPI2_IOCSTATUS_MASK;
10447 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
10448 ioc_info(ioc, "\tbreak from volume scan: ioc_status(0x%04x), loginfo(0x%08x)\n",
10449 ioc_status, le32_to_cpu(mpi_reply.IOCLogInfo));
10452 handle = le16_to_cpu(volume_pg1->DevHandle);
10453 spin_lock_irqsave(&ioc->raid_device_lock, flags);
10454 raid_device = _scsih_raid_device_find_by_wwid(ioc,
10455 le64_to_cpu(volume_pg1->WWID));
10456 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
10459 if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply,
10460 volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
10461 sizeof(Mpi2RaidVolPage0_t)))
10463 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
10464 MPI2_IOCSTATUS_MASK;
10465 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
10466 ioc_info(ioc, "\tbreak from volume scan: ioc_status(0x%04x), loginfo(0x%08x)\n",
10467 ioc_status, le32_to_cpu(mpi_reply.IOCLogInfo));
10470 if (volume_pg0->VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL ||
10471 volume_pg0->VolumeState == MPI2_RAID_VOL_STATE_ONLINE ||
10472 volume_pg0->VolumeState == MPI2_RAID_VOL_STATE_DEGRADED) {
10473 memset(&element, 0, sizeof(Mpi2EventIrConfigElement_t));
10474 element.ReasonCode = MPI2_EVENT_IR_CHANGE_RC_ADDED;
10475 element.VolDevHandle = volume_pg1->DevHandle;
10476 ioc_info(ioc, "\tBEFORE adding volume: handle (0x%04x)\n",
10477 volume_pg1->DevHandle);
10478 _scsih_sas_volume_add(ioc, &element);
10479 ioc_info(ioc, "\tAFTER adding volume: handle (0x%04x)\n",
10480 volume_pg1->DevHandle);
10484 ioc_info(ioc, "\tscan devices: volumes complete\n");
10488 ioc_info(ioc, "\tscan devices: end devices start\n");
10492 while (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
10493 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
10495 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
10496 MPI2_IOCSTATUS_MASK;
10497 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
10498 ioc_info(ioc, "\tbreak from end device scan: ioc_status(0x%04x), loginfo(0x%08x)\n",
10499 ioc_status, le32_to_cpu(mpi_reply.IOCLogInfo));
10502 handle = le16_to_cpu(sas_device_pg0.DevHandle);
10503 if (!(_scsih_is_end_device(
10504 le32_to_cpu(sas_device_pg0.DeviceInfo))))
10506 port_id = sas_device_pg0.PhysicalPort;
10507 sas_device = mpt3sas_get_sdev_by_addr(ioc,
10508 le64_to_cpu(sas_device_pg0.SASAddress),
10509 mpt3sas_get_port_by_id(ioc, port_id, 0));
10511 sas_device_put(sas_device);
10514 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
10515 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) {
10516 ioc_info(ioc, "\tBEFORE adding end device: handle (0x%04x), sas_addr(0x%016llx)\n",
10518 (u64)le64_to_cpu(sas_device_pg0.SASAddress));
10519 mpt3sas_transport_update_links(ioc, sas_address, handle,
10520 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5,
10521 mpt3sas_get_port_by_id(ioc, port_id, 0));
10523 /* This will retry adding the end device.
10524 * _scsih_add_device() will decide on retries and
10525 * return "1" when it should be retried
10527 while (_scsih_add_device(ioc, handle, retry_count++,
10531 ioc_info(ioc, "\tAFTER adding end device: handle (0x%04x), sas_addr(0x%016llx)\n",
10533 (u64)le64_to_cpu(sas_device_pg0.SASAddress));
10536 ioc_info(ioc, "\tscan devices: end devices complete\n");
10537 ioc_info(ioc, "\tscan devices: pcie end devices start\n");
10541 while (!(mpt3sas_config_get_pcie_device_pg0(ioc, &mpi_reply,
10542 &pcie_device_pg0, MPI26_PCIE_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
10544 ioc_status = le16_to_cpu(mpi_reply.IOCStatus)
10545 & MPI2_IOCSTATUS_MASK;
10546 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
10547 ioc_info(ioc, "\tbreak from pcie end device scan: ioc_status(0x%04x), loginfo(0x%08x)\n",
10548 ioc_status, le32_to_cpu(mpi_reply.IOCLogInfo));
10551 handle = le16_to_cpu(pcie_device_pg0.DevHandle);
10552 if (!(_scsih_is_nvme_pciescsi_device(
10553 le32_to_cpu(pcie_device_pg0.DeviceInfo))))
10555 pcie_device = mpt3sas_get_pdev_by_wwid(ioc,
10556 le64_to_cpu(pcie_device_pg0.WWID));
10558 pcie_device_put(pcie_device);
10562 parent_handle = le16_to_cpu(pcie_device_pg0.ParentDevHandle);
10563 _scsih_pcie_add_device(ioc, handle);
10565 ioc_info(ioc, "\tAFTER adding pcie end device: handle (0x%04x), wwid(0x%016llx)\n",
10566 handle, (u64)le64_to_cpu(pcie_device_pg0.WWID));
10572 ioc_info(ioc, "\tpcie devices: pcie end devices complete\n");
10573 ioc_info(ioc, "scan devices: complete\n");
10577 * mpt3sas_scsih_pre_reset_handler - reset callback handler (for scsih)
10578 * @ioc: per adapter object
10580 * The handler for doing any required cleanup or initialization.
10582 void mpt3sas_scsih_pre_reset_handler(struct MPT3SAS_ADAPTER *ioc)
10584 dtmprintk(ioc, ioc_info(ioc, "%s: MPT3_IOC_PRE_RESET\n", __func__));
10588 * mpt3sas_scsih_clear_outstanding_scsi_tm_commands - clears outstanding
10590 * @ioc: per adapter object
10592 * The handler for doing any required cleanup or initialization.
10595 mpt3sas_scsih_clear_outstanding_scsi_tm_commands(struct MPT3SAS_ADAPTER *ioc)
10598 ioc_info(ioc, "%s: clear outstanding scsi & tm cmds\n", __func__));
10599 if (ioc->scsih_cmds.status & MPT3_CMD_PENDING) {
10600 ioc->scsih_cmds.status |= MPT3_CMD_RESET;
10601 mpt3sas_base_free_smid(ioc, ioc->scsih_cmds.smid);
10602 complete(&ioc->scsih_cmds.done);
10604 if (ioc->tm_cmds.status & MPT3_CMD_PENDING) {
10605 ioc->tm_cmds.status |= MPT3_CMD_RESET;
10606 mpt3sas_base_free_smid(ioc, ioc->tm_cmds.smid);
10607 complete(&ioc->tm_cmds.done);
10610 memset(ioc->pend_os_device_add, 0, ioc->pend_os_device_add_sz);
10611 memset(ioc->device_remove_in_progress, 0,
10612 ioc->device_remove_in_progress_sz);
10613 _scsih_fw_event_cleanup_queue(ioc);
10614 _scsih_flush_running_cmds(ioc);
10618 * mpt3sas_scsih_reset_done_handler - reset callback handler (for scsih)
10619 * @ioc: per adapter object
10621 * The handler for doing any required cleanup or initialization.
10624 mpt3sas_scsih_reset_done_handler(struct MPT3SAS_ADAPTER *ioc)
10626 dtmprintk(ioc, ioc_info(ioc, "%s: MPT3_IOC_DONE_RESET\n", __func__));
10627 if (!(disable_discovery > 0 && !ioc->sas_hba.num_phys)) {
10628 if (ioc->multipath_on_hba) {
10629 _scsih_sas_port_refresh(ioc);
10630 _scsih_update_vphys_after_reset(ioc);
10632 _scsih_prep_device_scan(ioc);
10633 _scsih_create_enclosure_list_after_reset(ioc);
10634 _scsih_search_responding_sas_devices(ioc);
10635 _scsih_search_responding_pcie_devices(ioc);
10636 _scsih_search_responding_raid_devices(ioc);
10637 _scsih_search_responding_expanders(ioc);
10638 _scsih_error_recovery_delete_devices(ioc);
10643 * _mpt3sas_fw_work - delayed task for processing firmware events
10644 * @ioc: per adapter object
10645 * @fw_event: The fw_event_work object
10649 _mpt3sas_fw_work(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
10651 ioc->current_event = fw_event;
10652 _scsih_fw_event_del_from_list(ioc, fw_event);
10654 /* the queue is being flushed so ignore this event */
10655 if (ioc->remove_host || ioc->pci_error_recovery) {
10656 fw_event_work_put(fw_event);
10657 ioc->current_event = NULL;
10661 switch (fw_event->event) {
10662 case MPT3SAS_PROCESS_TRIGGER_DIAG:
10663 mpt3sas_process_trigger_data(ioc,
10664 (struct SL_WH_TRIGGERS_EVENT_DATA_T *)
10665 fw_event->event_data);
10667 case MPT3SAS_REMOVE_UNRESPONDING_DEVICES:
10668 while (scsi_host_in_recovery(ioc->shost) ||
10669 ioc->shost_recovery) {
10671 * If we're unloading or cancelling the work, bail.
10672 * Otherwise, this can become an infinite loop.
10674 if (ioc->remove_host || ioc->fw_events_cleanup)
10678 _scsih_remove_unresponding_devices(ioc);
10679 _scsih_del_dirty_vphy(ioc);
10680 _scsih_del_dirty_port_entries(ioc);
10681 if (ioc->is_gen35_ioc)
10682 _scsih_update_device_qdepth(ioc);
10683 _scsih_scan_for_devices_after_reset(ioc);
10685 * If diag reset has occurred during the driver load
10686 * then driver has to complete the driver load operation
10687 * by executing the following items:
10688 *- Register the devices from sas_device_init_list to SML
10689 *- clear is_driver_loading flag,
10690 *- start the watchdog thread.
10691 * In happy driver load path, above things are taken care of when
10692 * driver executes scsih_scan_finished().
10694 if (ioc->is_driver_loading)
10695 _scsih_complete_devices_scanning(ioc);
10696 _scsih_set_nvme_max_shutdown_latency(ioc);
10698 case MPT3SAS_PORT_ENABLE_COMPLETE:
10699 ioc->start_scan = 0;
10700 if (missing_delay[0] != -1 && missing_delay[1] != -1)
10701 mpt3sas_base_update_missing_delay(ioc, missing_delay[0],
10704 ioc_info(ioc, "port enable: complete from worker thread\n"));
10706 case MPT3SAS_TURN_ON_PFA_LED:
10707 _scsih_turn_on_pfa_led(ioc, fw_event->device_handle);
10709 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
10710 _scsih_sas_topology_change_event(ioc, fw_event);
10712 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
10713 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
10714 _scsih_sas_device_status_change_event_debug(ioc,
10715 (Mpi2EventDataSasDeviceStatusChange_t *)
10716 fw_event->event_data);
10718 case MPI2_EVENT_SAS_DISCOVERY:
10719 _scsih_sas_discovery_event(ioc, fw_event);
10721 case MPI2_EVENT_SAS_DEVICE_DISCOVERY_ERROR:
10722 _scsih_sas_device_discovery_error_event(ioc, fw_event);
10724 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
10725 _scsih_sas_broadcast_primitive_event(ioc, fw_event);
10727 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
10728 _scsih_sas_enclosure_dev_status_change_event(ioc,
10731 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
10732 _scsih_sas_ir_config_change_event(ioc, fw_event);
10734 case MPI2_EVENT_IR_VOLUME:
10735 _scsih_sas_ir_volume_event(ioc, fw_event);
10737 case MPI2_EVENT_IR_PHYSICAL_DISK:
10738 _scsih_sas_ir_physical_disk_event(ioc, fw_event);
10740 case MPI2_EVENT_IR_OPERATION_STATUS:
10741 _scsih_sas_ir_operation_status_event(ioc, fw_event);
10743 case MPI2_EVENT_PCIE_DEVICE_STATUS_CHANGE:
10744 _scsih_pcie_device_status_change_event(ioc, fw_event);
10746 case MPI2_EVENT_PCIE_ENUMERATION:
10747 _scsih_pcie_enumeration_event(ioc, fw_event);
10749 case MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST:
10750 _scsih_pcie_topology_change_event(ioc, fw_event);
10751 ioc->current_event = NULL;
10755 fw_event_work_put(fw_event);
10756 ioc->current_event = NULL;
10760 * _firmware_event_work
10761 * @work: The fw_event_work object
10764 * wrappers for the work thread handling firmware events
10768 _firmware_event_work(struct work_struct *work)
10770 struct fw_event_work *fw_event = container_of(work,
10771 struct fw_event_work, work);
10773 _mpt3sas_fw_work(fw_event->ioc, fw_event);
10777 * mpt3sas_scsih_event_callback - firmware event handler (called at ISR time)
10778 * @ioc: per adapter object
10779 * @msix_index: MSIX table index supplied by the OS
10780 * @reply: reply message frame(lower 32bit addr)
10781 * Context: interrupt.
10783 * This function merely adds a new work task into ioc->firmware_event_thread.
10784 * The tasks are worked from _firmware_event_work in user context.
10786 * Return: 1 meaning mf should be freed from _base_interrupt
10787 * 0 means the mf is freed from this function.
10790 mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index,
10793 struct fw_event_work *fw_event;
10794 Mpi2EventNotificationReply_t *mpi_reply;
10797 Mpi26EventDataActiveCableExcept_t *ActiveCableEventData;
10799 /* events turned off due to host reset */
10800 if (ioc->pci_error_recovery)
10803 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
10805 if (unlikely(!mpi_reply)) {
10806 ioc_err(ioc, "mpi_reply not valid at %s:%d/%s()!\n",
10807 __FILE__, __LINE__, __func__);
10811 event = le16_to_cpu(mpi_reply->Event);
10813 if (event != MPI2_EVENT_LOG_ENTRY_ADDED)
10814 mpt3sas_trigger_event(ioc, event, 0);
10818 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
10820 Mpi2EventDataSasBroadcastPrimitive_t *baen_data =
10821 (Mpi2EventDataSasBroadcastPrimitive_t *)
10822 mpi_reply->EventData;
10824 if (baen_data->Primitive !=
10825 MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT)
10828 if (ioc->broadcast_aen_busy) {
10829 ioc->broadcast_aen_pending++;
10832 ioc->broadcast_aen_busy = 1;
10836 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
10837 _scsih_check_topo_delete_events(ioc,
10838 (Mpi2EventDataSasTopologyChangeList_t *)
10839 mpi_reply->EventData);
10841 * No need to add the topology change list
10842 * event to fw event work queue when
10843 * diag reset is going on. Since during diag
10844 * reset driver scan the devices by reading
10845 * sas device page0's not by processing the
10848 if (ioc->shost_recovery)
10851 case MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST:
10852 _scsih_check_pcie_topo_remove_events(ioc,
10853 (Mpi26EventDataPCIeTopologyChangeList_t *)
10854 mpi_reply->EventData);
10855 if (ioc->shost_recovery)
10858 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
10859 _scsih_check_ir_config_unhide_events(ioc,
10860 (Mpi2EventDataIrConfigChangeList_t *)
10861 mpi_reply->EventData);
10863 case MPI2_EVENT_IR_VOLUME:
10864 _scsih_check_volume_delete_events(ioc,
10865 (Mpi2EventDataIrVolume_t *)
10866 mpi_reply->EventData);
10868 case MPI2_EVENT_LOG_ENTRY_ADDED:
10870 Mpi2EventDataLogEntryAdded_t *log_entry;
10873 if (!ioc->is_warpdrive)
10876 log_entry = (Mpi2EventDataLogEntryAdded_t *)
10877 mpi_reply->EventData;
10878 log_code = (u32 *)log_entry->LogData;
10880 if (le16_to_cpu(log_entry->LogEntryQualifier)
10881 != MPT2_WARPDRIVE_LOGENTRY)
10884 switch (le32_to_cpu(*log_code)) {
10885 case MPT2_WARPDRIVE_LC_SSDT:
10886 ioc_warn(ioc, "WarpDrive Warning: IO Throttling has occurred in the WarpDrive subsystem. Check WarpDrive documentation for additional details.\n");
10888 case MPT2_WARPDRIVE_LC_SSDLW:
10889 ioc_warn(ioc, "WarpDrive Warning: Program/Erase Cycles for the WarpDrive subsystem in degraded range. Check WarpDrive documentation for additional details.\n");
10891 case MPT2_WARPDRIVE_LC_SSDLF:
10892 ioc_err(ioc, "WarpDrive Fatal Error: There are no Program/Erase Cycles for the WarpDrive subsystem. The storage device will be in read-only mode. Check WarpDrive documentation for additional details.\n");
10894 case MPT2_WARPDRIVE_LC_BRMF:
10895 ioc_err(ioc, "WarpDrive Fatal Error: The Backup Rail Monitor has failed on the WarpDrive subsystem. Check WarpDrive documentation for additional details.\n");
10901 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
10902 _scsih_sas_device_status_change_event(ioc,
10903 (Mpi2EventDataSasDeviceStatusChange_t *)
10904 mpi_reply->EventData);
10906 case MPI2_EVENT_IR_OPERATION_STATUS:
10907 case MPI2_EVENT_SAS_DISCOVERY:
10908 case MPI2_EVENT_SAS_DEVICE_DISCOVERY_ERROR:
10909 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
10910 case MPI2_EVENT_IR_PHYSICAL_DISK:
10911 case MPI2_EVENT_PCIE_ENUMERATION:
10912 case MPI2_EVENT_PCIE_DEVICE_STATUS_CHANGE:
10915 case MPI2_EVENT_TEMP_THRESHOLD:
10916 _scsih_temp_threshold_events(ioc,
10917 (Mpi2EventDataTemperature_t *)
10918 mpi_reply->EventData);
10920 case MPI2_EVENT_ACTIVE_CABLE_EXCEPTION:
10921 ActiveCableEventData =
10922 (Mpi26EventDataActiveCableExcept_t *) mpi_reply->EventData;
10923 switch (ActiveCableEventData->ReasonCode) {
10924 case MPI26_EVENT_ACTIVE_CABLE_INSUFFICIENT_POWER:
10925 ioc_notice(ioc, "Currently an active cable with ReceptacleID %d\n",
10926 ActiveCableEventData->ReceptacleID);
10927 pr_notice("cannot be powered and devices connected\n");
10928 pr_notice("to this active cable will not be seen\n");
10929 pr_notice("This active cable requires %d mW of power\n",
10931 ActiveCableEventData->ActiveCablePowerRequirement));
10934 case MPI26_EVENT_ACTIVE_CABLE_DEGRADED:
10935 ioc_notice(ioc, "Currently a cable with ReceptacleID %d\n",
10936 ActiveCableEventData->ReceptacleID);
10938 "is not running at optimal speed(12 Gb/s rate)\n");
10944 default: /* ignore the rest */
10948 sz = le16_to_cpu(mpi_reply->EventDataLength) * 4;
10949 fw_event = alloc_fw_event_work(sz);
10951 ioc_err(ioc, "failure at %s:%d/%s()!\n",
10952 __FILE__, __LINE__, __func__);
10956 memcpy(fw_event->event_data, mpi_reply->EventData, sz);
10957 fw_event->ioc = ioc;
10958 fw_event->VF_ID = mpi_reply->VF_ID;
10959 fw_event->VP_ID = mpi_reply->VP_ID;
10960 fw_event->event = event;
10961 _scsih_fw_event_add(ioc, fw_event);
10962 fw_event_work_put(fw_event);
10967 * _scsih_expander_node_remove - removing expander device from list.
10968 * @ioc: per adapter object
10969 * @sas_expander: the sas_device object
10971 * Removing object and freeing associated memory from the
10972 * ioc->sas_expander_list.
10975 _scsih_expander_node_remove(struct MPT3SAS_ADAPTER *ioc,
10976 struct _sas_node *sas_expander)
10978 struct _sas_port *mpt3sas_port, *next;
10979 unsigned long flags;
10981 /* remove sibling ports attached to this expander */
10982 list_for_each_entry_safe(mpt3sas_port, next,
10983 &sas_expander->sas_port_list, port_list) {
10984 if (ioc->shost_recovery)
10986 if (mpt3sas_port->remote_identify.device_type ==
10988 mpt3sas_device_remove_by_sas_address(ioc,
10989 mpt3sas_port->remote_identify.sas_address,
10990 mpt3sas_port->hba_port);
10991 else if (mpt3sas_port->remote_identify.device_type ==
10992 SAS_EDGE_EXPANDER_DEVICE ||
10993 mpt3sas_port->remote_identify.device_type ==
10994 SAS_FANOUT_EXPANDER_DEVICE)
10995 mpt3sas_expander_remove(ioc,
10996 mpt3sas_port->remote_identify.sas_address,
10997 mpt3sas_port->hba_port);
11000 mpt3sas_transport_port_remove(ioc, sas_expander->sas_address,
11001 sas_expander->sas_address_parent, sas_expander->port);
11004 "expander_remove: handle(0x%04x), sas_addr(0x%016llx), port:%d\n",
11005 sas_expander->handle, (unsigned long long)
11006 sas_expander->sas_address,
11007 sas_expander->port->port_id);
11009 spin_lock_irqsave(&ioc->sas_node_lock, flags);
11010 list_del(&sas_expander->list);
11011 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
11013 kfree(sas_expander->phy);
11014 kfree(sas_expander);
11018 * _scsih_nvme_shutdown - NVMe shutdown notification
11019 * @ioc: per adapter object
11021 * Sending IoUnitControl request with shutdown operation code to alert IOC that
11022 * the host system is shutting down so that IOC can issue NVMe shutdown to
11023 * NVMe drives attached to it.
11026 _scsih_nvme_shutdown(struct MPT3SAS_ADAPTER *ioc)
11028 Mpi26IoUnitControlRequest_t *mpi_request;
11029 Mpi26IoUnitControlReply_t *mpi_reply;
11032 /* are there any NVMe devices ? */
11033 if (list_empty(&ioc->pcie_device_list))
11036 mutex_lock(&ioc->scsih_cmds.mutex);
11038 if (ioc->scsih_cmds.status != MPT3_CMD_NOT_USED) {
11039 ioc_err(ioc, "%s: scsih_cmd in use\n", __func__);
11043 ioc->scsih_cmds.status = MPT3_CMD_PENDING;
11045 smid = mpt3sas_base_get_smid(ioc, ioc->scsih_cb_idx);
11048 "%s: failed obtaining a smid\n", __func__);
11049 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
11053 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
11054 ioc->scsih_cmds.smid = smid;
11055 memset(mpi_request, 0, sizeof(Mpi26IoUnitControlRequest_t));
11056 mpi_request->Function = MPI2_FUNCTION_IO_UNIT_CONTROL;
11057 mpi_request->Operation = MPI26_CTRL_OP_SHUTDOWN;
11059 init_completion(&ioc->scsih_cmds.done);
11060 ioc->put_smid_default(ioc, smid);
11061 /* Wait for max_shutdown_latency seconds */
11063 "Io Unit Control shutdown (sending), Shutdown latency %d sec\n",
11064 ioc->max_shutdown_latency);
11065 wait_for_completion_timeout(&ioc->scsih_cmds.done,
11066 ioc->max_shutdown_latency*HZ);
11068 if (!(ioc->scsih_cmds.status & MPT3_CMD_COMPLETE)) {
11069 ioc_err(ioc, "%s: timeout\n", __func__);
11073 if (ioc->scsih_cmds.status & MPT3_CMD_REPLY_VALID) {
11074 mpi_reply = ioc->scsih_cmds.reply;
11075 ioc_info(ioc, "Io Unit Control shutdown (complete):"
11076 "ioc_status(0x%04x), loginfo(0x%08x)\n",
11077 le16_to_cpu(mpi_reply->IOCStatus),
11078 le32_to_cpu(mpi_reply->IOCLogInfo));
11081 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
11082 mutex_unlock(&ioc->scsih_cmds.mutex);
11087 * _scsih_ir_shutdown - IR shutdown notification
11088 * @ioc: per adapter object
11090 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
11091 * the host system is shutting down.
11094 _scsih_ir_shutdown(struct MPT3SAS_ADAPTER *ioc)
11096 Mpi2RaidActionRequest_t *mpi_request;
11097 Mpi2RaidActionReply_t *mpi_reply;
11100 /* is IR firmware build loaded ? */
11101 if (!ioc->ir_firmware)
11104 /* are there any volumes ? */
11105 if (list_empty(&ioc->raid_device_list))
11108 mutex_lock(&ioc->scsih_cmds.mutex);
11110 if (ioc->scsih_cmds.status != MPT3_CMD_NOT_USED) {
11111 ioc_err(ioc, "%s: scsih_cmd in use\n", __func__);
11114 ioc->scsih_cmds.status = MPT3_CMD_PENDING;
11116 smid = mpt3sas_base_get_smid(ioc, ioc->scsih_cb_idx);
11118 ioc_err(ioc, "%s: failed obtaining a smid\n", __func__);
11119 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
11123 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
11124 ioc->scsih_cmds.smid = smid;
11125 memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t));
11127 mpi_request->Function = MPI2_FUNCTION_RAID_ACTION;
11128 mpi_request->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
11130 if (!ioc->hide_ir_msg)
11131 ioc_info(ioc, "IR shutdown (sending)\n");
11132 init_completion(&ioc->scsih_cmds.done);
11133 ioc->put_smid_default(ioc, smid);
11134 wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ);
11136 if (!(ioc->scsih_cmds.status & MPT3_CMD_COMPLETE)) {
11137 ioc_err(ioc, "%s: timeout\n", __func__);
11141 if (ioc->scsih_cmds.status & MPT3_CMD_REPLY_VALID) {
11142 mpi_reply = ioc->scsih_cmds.reply;
11143 if (!ioc->hide_ir_msg)
11144 ioc_info(ioc, "IR shutdown (complete): ioc_status(0x%04x), loginfo(0x%08x)\n",
11145 le16_to_cpu(mpi_reply->IOCStatus),
11146 le32_to_cpu(mpi_reply->IOCLogInfo));
11150 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
11151 mutex_unlock(&ioc->scsih_cmds.mutex);
11155 * _scsih_get_shost_and_ioc - get shost and ioc
11156 * and verify whether they are NULL or not
11157 * @pdev: PCI device struct
11158 * @shost: address of scsi host pointer
11159 * @ioc: address of HBA adapter pointer
11161 * Return zero if *shost and *ioc are not NULL otherwise return error number.
11164 _scsih_get_shost_and_ioc(struct pci_dev *pdev,
11165 struct Scsi_Host **shost, struct MPT3SAS_ADAPTER **ioc)
11167 *shost = pci_get_drvdata(pdev);
11168 if (*shost == NULL) {
11169 dev_err(&pdev->dev, "pdev's driver data is null\n");
11173 *ioc = shost_priv(*shost);
11174 if (*ioc == NULL) {
11175 dev_err(&pdev->dev, "shost's private data is null\n");
11183 * scsih_remove - detach and remove add host
11184 * @pdev: PCI device struct
11186 * Routine called when unloading the driver.
11188 static void scsih_remove(struct pci_dev *pdev)
11190 struct Scsi_Host *shost;
11191 struct MPT3SAS_ADAPTER *ioc;
11192 struct _sas_port *mpt3sas_port, *next_port;
11193 struct _raid_device *raid_device, *next;
11194 struct MPT3SAS_TARGET *sas_target_priv_data;
11195 struct _pcie_device *pcie_device, *pcienext;
11196 struct workqueue_struct *wq;
11197 unsigned long flags;
11198 Mpi2ConfigReply_t mpi_reply;
11199 struct hba_port *port, *port_next;
11201 if (_scsih_get_shost_and_ioc(pdev, &shost, &ioc))
11204 ioc->remove_host = 1;
11206 if (!pci_device_is_present(pdev)) {
11207 mpt3sas_base_pause_mq_polling(ioc);
11208 _scsih_flush_running_cmds(ioc);
11211 _scsih_fw_event_cleanup_queue(ioc);
11213 spin_lock_irqsave(&ioc->fw_event_lock, flags);
11214 wq = ioc->firmware_event_thread;
11215 ioc->firmware_event_thread = NULL;
11216 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
11218 destroy_workqueue(wq);
11220 * Copy back the unmodified ioc page1. so that on next driver load,
11221 * current modified changes on ioc page1 won't take effect.
11223 if (ioc->is_aero_ioc)
11224 mpt3sas_config_set_ioc_pg1(ioc, &mpi_reply,
11225 &ioc->ioc_pg1_copy);
11226 /* release all the volumes */
11227 _scsih_ir_shutdown(ioc);
11228 mpt3sas_destroy_debugfs(ioc);
11229 sas_remove_host(shost);
11230 list_for_each_entry_safe(raid_device, next, &ioc->raid_device_list,
11232 if (raid_device->starget) {
11233 sas_target_priv_data =
11234 raid_device->starget->hostdata;
11235 sas_target_priv_data->deleted = 1;
11236 scsi_remove_target(&raid_device->starget->dev);
11238 ioc_info(ioc, "removing handle(0x%04x), wwid(0x%016llx)\n",
11239 raid_device->handle, (u64)raid_device->wwid);
11240 _scsih_raid_device_remove(ioc, raid_device);
11242 list_for_each_entry_safe(pcie_device, pcienext, &ioc->pcie_device_list,
11244 _scsih_pcie_device_remove_from_sml(ioc, pcie_device);
11245 list_del_init(&pcie_device->list);
11246 pcie_device_put(pcie_device);
11249 /* free ports attached to the sas_host */
11250 list_for_each_entry_safe(mpt3sas_port, next_port,
11251 &ioc->sas_hba.sas_port_list, port_list) {
11252 if (mpt3sas_port->remote_identify.device_type ==
11254 mpt3sas_device_remove_by_sas_address(ioc,
11255 mpt3sas_port->remote_identify.sas_address,
11256 mpt3sas_port->hba_port);
11257 else if (mpt3sas_port->remote_identify.device_type ==
11258 SAS_EDGE_EXPANDER_DEVICE ||
11259 mpt3sas_port->remote_identify.device_type ==
11260 SAS_FANOUT_EXPANDER_DEVICE)
11261 mpt3sas_expander_remove(ioc,
11262 mpt3sas_port->remote_identify.sas_address,
11263 mpt3sas_port->hba_port);
11266 list_for_each_entry_safe(port, port_next,
11267 &ioc->port_table_list, list) {
11268 list_del(&port->list);
11272 /* free phys attached to the sas_host */
11273 if (ioc->sas_hba.num_phys) {
11274 kfree(ioc->sas_hba.phy);
11275 ioc->sas_hba.phy = NULL;
11276 ioc->sas_hba.num_phys = 0;
11279 mpt3sas_base_detach(ioc);
11280 spin_lock(&gioc_lock);
11281 list_del(&ioc->list);
11282 spin_unlock(&gioc_lock);
11283 scsi_host_put(shost);
11287 * scsih_shutdown - routine call during system shutdown
11288 * @pdev: PCI device struct
11291 scsih_shutdown(struct pci_dev *pdev)
11293 struct Scsi_Host *shost;
11294 struct MPT3SAS_ADAPTER *ioc;
11295 struct workqueue_struct *wq;
11296 unsigned long flags;
11297 Mpi2ConfigReply_t mpi_reply;
11299 if (_scsih_get_shost_and_ioc(pdev, &shost, &ioc))
11302 ioc->remove_host = 1;
11304 if (!pci_device_is_present(pdev)) {
11305 mpt3sas_base_pause_mq_polling(ioc);
11306 _scsih_flush_running_cmds(ioc);
11309 _scsih_fw_event_cleanup_queue(ioc);
11311 spin_lock_irqsave(&ioc->fw_event_lock, flags);
11312 wq = ioc->firmware_event_thread;
11313 ioc->firmware_event_thread = NULL;
11314 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
11316 destroy_workqueue(wq);
11318 * Copy back the unmodified ioc page1 so that on next driver load,
11319 * current modified changes on ioc page1 won't take effect.
11321 if (ioc->is_aero_ioc)
11322 mpt3sas_config_set_ioc_pg1(ioc, &mpi_reply,
11323 &ioc->ioc_pg1_copy);
11325 _scsih_ir_shutdown(ioc);
11326 _scsih_nvme_shutdown(ioc);
11327 mpt3sas_base_mask_interrupts(ioc);
11328 ioc->shost_recovery = 1;
11329 mpt3sas_base_make_ioc_ready(ioc, SOFT_RESET);
11330 ioc->shost_recovery = 0;
11331 mpt3sas_base_free_irq(ioc);
11332 mpt3sas_base_disable_msix(ioc);
11337 * _scsih_probe_boot_devices - reports 1st device
11338 * @ioc: per adapter object
11340 * If specified in bios page 2, this routine reports the 1st
11341 * device scsi-ml or sas transport for persistent boot device
11342 * purposes. Please refer to function _scsih_determine_boot_device()
11345 _scsih_probe_boot_devices(struct MPT3SAS_ADAPTER *ioc)
11349 struct _sas_device *sas_device;
11350 struct _raid_device *raid_device;
11351 struct _pcie_device *pcie_device;
11353 u64 sas_address_parent;
11355 unsigned long flags;
11358 struct hba_port *port;
11360 /* no Bios, return immediately */
11361 if (!ioc->bios_pg3.BiosVersion)
11365 if (ioc->req_boot_device.device) {
11366 device = ioc->req_boot_device.device;
11367 channel = ioc->req_boot_device.channel;
11368 } else if (ioc->req_alt_boot_device.device) {
11369 device = ioc->req_alt_boot_device.device;
11370 channel = ioc->req_alt_boot_device.channel;
11371 } else if (ioc->current_boot_device.device) {
11372 device = ioc->current_boot_device.device;
11373 channel = ioc->current_boot_device.channel;
11379 if (channel == RAID_CHANNEL) {
11380 raid_device = device;
11382 * If this boot vd is already registered with SML then
11383 * no need to register it again as part of device scanning
11384 * after diag reset during driver load operation.
11386 if (raid_device->starget)
11388 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
11389 raid_device->id, 0);
11391 _scsih_raid_device_remove(ioc, raid_device);
11392 } else if (channel == PCIE_CHANNEL) {
11393 pcie_device = device;
11395 * If this boot NVMe device is already registered with SML then
11396 * no need to register it again as part of device scanning
11397 * after diag reset during driver load operation.
11399 if (pcie_device->starget)
11401 spin_lock_irqsave(&ioc->pcie_device_lock, flags);
11402 tid = pcie_device->id;
11403 list_move_tail(&pcie_device->list, &ioc->pcie_device_list);
11404 spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
11405 rc = scsi_add_device(ioc->shost, PCIE_CHANNEL, tid, 0);
11407 _scsih_pcie_device_remove(ioc, pcie_device);
11409 sas_device = device;
11411 * If this boot sas/sata device is already registered with SML
11412 * then no need to register it again as part of device scanning
11413 * after diag reset during driver load operation.
11415 if (sas_device->starget)
11417 spin_lock_irqsave(&ioc->sas_device_lock, flags);
11418 handle = sas_device->handle;
11419 sas_address_parent = sas_device->sas_address_parent;
11420 sas_address = sas_device->sas_address;
11421 port = sas_device->port;
11422 list_move_tail(&sas_device->list, &ioc->sas_device_list);
11423 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
11425 if (ioc->hide_drives)
11431 if (!mpt3sas_transport_port_add(ioc, handle,
11432 sas_address_parent, port)) {
11433 _scsih_sas_device_remove(ioc, sas_device);
11434 } else if (!sas_device->starget) {
11435 if (!ioc->is_driver_loading) {
11436 mpt3sas_transport_port_remove(ioc,
11438 sas_address_parent, port);
11439 _scsih_sas_device_remove(ioc, sas_device);
11446 * _scsih_probe_raid - reporting raid volumes to scsi-ml
11447 * @ioc: per adapter object
11449 * Called during initial loading of the driver.
11452 _scsih_probe_raid(struct MPT3SAS_ADAPTER *ioc)
11454 struct _raid_device *raid_device, *raid_next;
11457 list_for_each_entry_safe(raid_device, raid_next,
11458 &ioc->raid_device_list, list) {
11459 if (raid_device->starget)
11461 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
11462 raid_device->id, 0);
11464 _scsih_raid_device_remove(ioc, raid_device);
11468 static struct _sas_device *get_next_sas_device(struct MPT3SAS_ADAPTER *ioc)
11470 struct _sas_device *sas_device = NULL;
11471 unsigned long flags;
11473 spin_lock_irqsave(&ioc->sas_device_lock, flags);
11474 if (!list_empty(&ioc->sas_device_init_list)) {
11475 sas_device = list_first_entry(&ioc->sas_device_init_list,
11476 struct _sas_device, list);
11477 sas_device_get(sas_device);
11479 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
11484 static void sas_device_make_active(struct MPT3SAS_ADAPTER *ioc,
11485 struct _sas_device *sas_device)
11487 unsigned long flags;
11489 spin_lock_irqsave(&ioc->sas_device_lock, flags);
11492 * Since we dropped the lock during the call to port_add(), we need to
11493 * be careful here that somebody else didn't move or delete this item
11494 * while we were busy with other things.
11496 * If it was on the list, we need a put() for the reference the list
11497 * had. Either way, we need a get() for the destination list.
11499 if (!list_empty(&sas_device->list)) {
11500 list_del_init(&sas_device->list);
11501 sas_device_put(sas_device);
11504 sas_device_get(sas_device);
11505 list_add_tail(&sas_device->list, &ioc->sas_device_list);
11507 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
11511 * _scsih_probe_sas - reporting sas devices to sas transport
11512 * @ioc: per adapter object
11514 * Called during initial loading of the driver.
11517 _scsih_probe_sas(struct MPT3SAS_ADAPTER *ioc)
11519 struct _sas_device *sas_device;
11521 if (ioc->hide_drives)
11524 while ((sas_device = get_next_sas_device(ioc))) {
11525 if (!mpt3sas_transport_port_add(ioc, sas_device->handle,
11526 sas_device->sas_address_parent, sas_device->port)) {
11527 _scsih_sas_device_remove(ioc, sas_device);
11528 sas_device_put(sas_device);
11530 } else if (!sas_device->starget) {
11532 * When asyn scanning is enabled, its not possible to
11533 * remove devices while scanning is turned on due to an
11534 * oops in scsi_sysfs_add_sdev()->add_device()->
11535 * sysfs_addrm_start()
11537 if (!ioc->is_driver_loading) {
11538 mpt3sas_transport_port_remove(ioc,
11539 sas_device->sas_address,
11540 sas_device->sas_address_parent,
11542 _scsih_sas_device_remove(ioc, sas_device);
11543 sas_device_put(sas_device);
11547 sas_device_make_active(ioc, sas_device);
11548 sas_device_put(sas_device);
11553 * get_next_pcie_device - Get the next pcie device
11554 * @ioc: per adapter object
11556 * Get the next pcie device from pcie_device_init_list list.
11558 * Return: pcie device structure if pcie_device_init_list list is not empty
11559 * otherwise returns NULL
11561 static struct _pcie_device *get_next_pcie_device(struct MPT3SAS_ADAPTER *ioc)
11563 struct _pcie_device *pcie_device = NULL;
11564 unsigned long flags;
11566 spin_lock_irqsave(&ioc->pcie_device_lock, flags);
11567 if (!list_empty(&ioc->pcie_device_init_list)) {
11568 pcie_device = list_first_entry(&ioc->pcie_device_init_list,
11569 struct _pcie_device, list);
11570 pcie_device_get(pcie_device);
11572 spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
11574 return pcie_device;
11578 * pcie_device_make_active - Add pcie device to pcie_device_list list
11579 * @ioc: per adapter object
11580 * @pcie_device: pcie device object
11582 * Add the pcie device which has registered with SCSI Transport Later to
11583 * pcie_device_list list
11585 static void pcie_device_make_active(struct MPT3SAS_ADAPTER *ioc,
11586 struct _pcie_device *pcie_device)
11588 unsigned long flags;
11590 spin_lock_irqsave(&ioc->pcie_device_lock, flags);
11592 if (!list_empty(&pcie_device->list)) {
11593 list_del_init(&pcie_device->list);
11594 pcie_device_put(pcie_device);
11596 pcie_device_get(pcie_device);
11597 list_add_tail(&pcie_device->list, &ioc->pcie_device_list);
11599 spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
11603 * _scsih_probe_pcie - reporting PCIe devices to scsi-ml
11604 * @ioc: per adapter object
11606 * Called during initial loading of the driver.
11609 _scsih_probe_pcie(struct MPT3SAS_ADAPTER *ioc)
11611 struct _pcie_device *pcie_device;
11614 /* PCIe Device List */
11615 while ((pcie_device = get_next_pcie_device(ioc))) {
11616 if (pcie_device->starget) {
11617 pcie_device_put(pcie_device);
11620 if (pcie_device->access_status ==
11621 MPI26_PCIEDEV0_ASTATUS_DEVICE_BLOCKED) {
11622 pcie_device_make_active(ioc, pcie_device);
11623 pcie_device_put(pcie_device);
11626 rc = scsi_add_device(ioc->shost, PCIE_CHANNEL,
11627 pcie_device->id, 0);
11629 _scsih_pcie_device_remove(ioc, pcie_device);
11630 pcie_device_put(pcie_device);
11632 } else if (!pcie_device->starget) {
11634 * When async scanning is enabled, its not possible to
11635 * remove devices while scanning is turned on due to an
11636 * oops in scsi_sysfs_add_sdev()->add_device()->
11637 * sysfs_addrm_start()
11639 if (!ioc->is_driver_loading) {
11640 /* TODO-- Need to find out whether this condition will
11643 _scsih_pcie_device_remove(ioc, pcie_device);
11644 pcie_device_put(pcie_device);
11648 pcie_device_make_active(ioc, pcie_device);
11649 pcie_device_put(pcie_device);
11654 * _scsih_probe_devices - probing for devices
11655 * @ioc: per adapter object
11657 * Called during initial loading of the driver.
11660 _scsih_probe_devices(struct MPT3SAS_ADAPTER *ioc)
11662 u16 volume_mapping_flags;
11664 if (!(ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR))
11665 return; /* return when IOC doesn't support initiator mode */
11667 _scsih_probe_boot_devices(ioc);
11669 if (ioc->ir_firmware) {
11670 volume_mapping_flags =
11671 le16_to_cpu(ioc->ioc_pg8.IRVolumeMappingFlags) &
11672 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
11673 if (volume_mapping_flags ==
11674 MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
11675 _scsih_probe_raid(ioc);
11676 _scsih_probe_sas(ioc);
11678 _scsih_probe_sas(ioc);
11679 _scsih_probe_raid(ioc);
11682 _scsih_probe_sas(ioc);
11683 _scsih_probe_pcie(ioc);
11688 * scsih_scan_start - scsi lld callback for .scan_start
11689 * @shost: SCSI host pointer
11691 * The shost has the ability to discover targets on its own instead
11692 * of scanning the entire bus. In our implemention, we will kick off
11693 * firmware discovery.
11696 scsih_scan_start(struct Scsi_Host *shost)
11698 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
11700 if (diag_buffer_enable != -1 && diag_buffer_enable != 0)
11701 mpt3sas_enable_diag_buffer(ioc, diag_buffer_enable);
11702 else if (ioc->manu_pg11.HostTraceBufferMaxSizeKB != 0)
11703 mpt3sas_enable_diag_buffer(ioc, 1);
11705 if (disable_discovery > 0)
11708 ioc->start_scan = 1;
11709 rc = mpt3sas_port_enable(ioc);
11712 ioc_info(ioc, "port enable: FAILED\n");
11716 * _scsih_complete_devices_scanning - add the devices to sml and
11717 * complete ioc initialization.
11718 * @ioc: per adapter object
11722 static void _scsih_complete_devices_scanning(struct MPT3SAS_ADAPTER *ioc)
11725 if (ioc->wait_for_discovery_to_complete) {
11726 ioc->wait_for_discovery_to_complete = 0;
11727 _scsih_probe_devices(ioc);
11730 mpt3sas_base_start_watchdog(ioc);
11731 ioc->is_driver_loading = 0;
11735 * scsih_scan_finished - scsi lld callback for .scan_finished
11736 * @shost: SCSI host pointer
11737 * @time: elapsed time of the scan in jiffies
11739 * This function will be called periodicallyn until it returns 1 with the
11740 * scsi_host and the elapsed time of the scan in jiffies. In our implemention,
11741 * we wait for firmware discovery to complete, then return 1.
11744 scsih_scan_finished(struct Scsi_Host *shost, unsigned long time)
11746 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
11748 int issue_hard_reset = 0;
11750 if (disable_discovery > 0) {
11751 ioc->is_driver_loading = 0;
11752 ioc->wait_for_discovery_to_complete = 0;
11756 if (time >= (300 * HZ)) {
11757 ioc->port_enable_cmds.status = MPT3_CMD_NOT_USED;
11758 ioc_info(ioc, "port enable: FAILED with timeout (timeout=300s)\n");
11759 ioc->is_driver_loading = 0;
11763 if (ioc->start_scan) {
11764 ioc_state = mpt3sas_base_get_iocstate(ioc, 0);
11765 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
11766 mpt3sas_print_fault_code(ioc, ioc_state &
11767 MPI2_DOORBELL_DATA_MASK);
11768 issue_hard_reset = 1;
11770 } else if ((ioc_state & MPI2_IOC_STATE_MASK) ==
11771 MPI2_IOC_STATE_COREDUMP) {
11772 mpt3sas_base_coredump_info(ioc, ioc_state &
11773 MPI2_DOORBELL_DATA_MASK);
11774 mpt3sas_base_wait_for_coredump_completion(ioc, __func__);
11775 issue_hard_reset = 1;
11781 if (ioc->port_enable_cmds.status & MPT3_CMD_RESET) {
11783 "port enable: aborted due to diag reset\n");
11784 ioc->port_enable_cmds.status = MPT3_CMD_NOT_USED;
11787 if (ioc->start_scan_failed) {
11788 ioc_info(ioc, "port enable: FAILED with (ioc_status=0x%08x)\n",
11789 ioc->start_scan_failed);
11790 ioc->is_driver_loading = 0;
11791 ioc->wait_for_discovery_to_complete = 0;
11792 ioc->remove_host = 1;
11796 ioc_info(ioc, "port enable: SUCCESS\n");
11797 ioc->port_enable_cmds.status = MPT3_CMD_NOT_USED;
11798 _scsih_complete_devices_scanning(ioc);
11801 if (issue_hard_reset) {
11802 ioc->port_enable_cmds.status = MPT3_CMD_NOT_USED;
11803 if (mpt3sas_base_hard_reset_handler(ioc, SOFT_RESET))
11804 ioc->is_driver_loading = 0;
11810 * scsih_map_queues - map reply queues with request queues
11811 * @shost: SCSI host pointer
11813 static int scsih_map_queues(struct Scsi_Host *shost)
11815 struct MPT3SAS_ADAPTER *ioc =
11816 (struct MPT3SAS_ADAPTER *)shost->hostdata;
11817 struct blk_mq_queue_map *map;
11818 int i, qoff, offset;
11819 int nr_msix_vectors = ioc->iopoll_q_start_index;
11820 int iopoll_q_count = ioc->reply_queue_count - nr_msix_vectors;
11822 if (shost->nr_hw_queues == 1)
11825 for (i = 0, qoff = 0; i < shost->nr_maps; i++) {
11826 map = &shost->tag_set.map[i];
11827 map->nr_queues = 0;
11829 if (i == HCTX_TYPE_DEFAULT) {
11831 nr_msix_vectors - ioc->high_iops_queues;
11832 offset = ioc->high_iops_queues;
11833 } else if (i == HCTX_TYPE_POLL)
11834 map->nr_queues = iopoll_q_count;
11836 if (!map->nr_queues)
11837 BUG_ON(i == HCTX_TYPE_DEFAULT);
11840 * The poll queue(s) doesn't have an IRQ (and hence IRQ
11841 * affinity), so use the regular blk-mq cpu mapping
11843 map->queue_offset = qoff;
11844 if (i != HCTX_TYPE_POLL)
11845 blk_mq_pci_map_queues(map, ioc->pdev, offset);
11847 blk_mq_map_queues(map);
11849 qoff += map->nr_queues;
11854 /* shost template for SAS 2.0 HBA devices */
11855 static struct scsi_host_template mpt2sas_driver_template = {
11856 .module = THIS_MODULE,
11857 .name = "Fusion MPT SAS Host",
11858 .proc_name = MPT2SAS_DRIVER_NAME,
11859 .queuecommand = scsih_qcmd,
11860 .target_alloc = scsih_target_alloc,
11861 .slave_alloc = scsih_slave_alloc,
11862 .slave_configure = scsih_slave_configure,
11863 .target_destroy = scsih_target_destroy,
11864 .slave_destroy = scsih_slave_destroy,
11865 .scan_finished = scsih_scan_finished,
11866 .scan_start = scsih_scan_start,
11867 .change_queue_depth = scsih_change_queue_depth,
11868 .eh_abort_handler = scsih_abort,
11869 .eh_device_reset_handler = scsih_dev_reset,
11870 .eh_target_reset_handler = scsih_target_reset,
11871 .eh_host_reset_handler = scsih_host_reset,
11872 .bios_param = scsih_bios_param,
11875 .sg_tablesize = MPT2SAS_SG_DEPTH,
11876 .max_sectors = 32767,
11878 .shost_attrs = mpt3sas_host_attrs,
11879 .sdev_attrs = mpt3sas_dev_attrs,
11880 .track_queue_depth = 1,
11881 .cmd_size = sizeof(struct scsiio_tracker),
11884 /* raid transport support for SAS 2.0 HBA devices */
11885 static struct raid_function_template mpt2sas_raid_functions = {
11886 .cookie = &mpt2sas_driver_template,
11887 .is_raid = scsih_is_raid,
11888 .get_resync = scsih_get_resync,
11889 .get_state = scsih_get_state,
11892 /* shost template for SAS 3.0 HBA devices */
11893 static struct scsi_host_template mpt3sas_driver_template = {
11894 .module = THIS_MODULE,
11895 .name = "Fusion MPT SAS Host",
11896 .proc_name = MPT3SAS_DRIVER_NAME,
11897 .queuecommand = scsih_qcmd,
11898 .target_alloc = scsih_target_alloc,
11899 .slave_alloc = scsih_slave_alloc,
11900 .slave_configure = scsih_slave_configure,
11901 .target_destroy = scsih_target_destroy,
11902 .slave_destroy = scsih_slave_destroy,
11903 .scan_finished = scsih_scan_finished,
11904 .scan_start = scsih_scan_start,
11905 .change_queue_depth = scsih_change_queue_depth,
11906 .eh_abort_handler = scsih_abort,
11907 .eh_device_reset_handler = scsih_dev_reset,
11908 .eh_target_reset_handler = scsih_target_reset,
11909 .eh_host_reset_handler = scsih_host_reset,
11910 .bios_param = scsih_bios_param,
11913 .sg_tablesize = MPT3SAS_SG_DEPTH,
11914 .max_sectors = 32767,
11915 .max_segment_size = 0xffffffff,
11917 .shost_attrs = mpt3sas_host_attrs,
11918 .sdev_attrs = mpt3sas_dev_attrs,
11919 .track_queue_depth = 1,
11920 .cmd_size = sizeof(struct scsiio_tracker),
11921 .map_queues = scsih_map_queues,
11922 .mq_poll = mpt3sas_blk_mq_poll,
11925 /* raid transport support for SAS 3.0 HBA devices */
11926 static struct raid_function_template mpt3sas_raid_functions = {
11927 .cookie = &mpt3sas_driver_template,
11928 .is_raid = scsih_is_raid,
11929 .get_resync = scsih_get_resync,
11930 .get_state = scsih_get_state,
11934 * _scsih_determine_hba_mpi_version - determine in which MPI version class
11935 * this device belongs to.
11936 * @pdev: PCI device struct
11938 * return MPI2_VERSION for SAS 2.0 HBA devices,
11939 * MPI25_VERSION for SAS 3.0 HBA devices, and
11940 * MPI26 VERSION for Cutlass & Invader SAS 3.0 HBA devices
11943 _scsih_determine_hba_mpi_version(struct pci_dev *pdev)
11946 switch (pdev->device) {
11947 case MPI2_MFGPAGE_DEVID_SSS6200:
11948 case MPI2_MFGPAGE_DEVID_SAS2004:
11949 case MPI2_MFGPAGE_DEVID_SAS2008:
11950 case MPI2_MFGPAGE_DEVID_SAS2108_1:
11951 case MPI2_MFGPAGE_DEVID_SAS2108_2:
11952 case MPI2_MFGPAGE_DEVID_SAS2108_3:
11953 case MPI2_MFGPAGE_DEVID_SAS2116_1:
11954 case MPI2_MFGPAGE_DEVID_SAS2116_2:
11955 case MPI2_MFGPAGE_DEVID_SAS2208_1:
11956 case MPI2_MFGPAGE_DEVID_SAS2208_2:
11957 case MPI2_MFGPAGE_DEVID_SAS2208_3:
11958 case MPI2_MFGPAGE_DEVID_SAS2208_4:
11959 case MPI2_MFGPAGE_DEVID_SAS2208_5:
11960 case MPI2_MFGPAGE_DEVID_SAS2208_6:
11961 case MPI2_MFGPAGE_DEVID_SAS2308_1:
11962 case MPI2_MFGPAGE_DEVID_SAS2308_2:
11963 case MPI2_MFGPAGE_DEVID_SAS2308_3:
11964 case MPI2_MFGPAGE_DEVID_SWITCH_MPI_EP:
11965 case MPI2_MFGPAGE_DEVID_SWITCH_MPI_EP_1:
11966 return MPI2_VERSION;
11967 case MPI25_MFGPAGE_DEVID_SAS3004:
11968 case MPI25_MFGPAGE_DEVID_SAS3008:
11969 case MPI25_MFGPAGE_DEVID_SAS3108_1:
11970 case MPI25_MFGPAGE_DEVID_SAS3108_2:
11971 case MPI25_MFGPAGE_DEVID_SAS3108_5:
11972 case MPI25_MFGPAGE_DEVID_SAS3108_6:
11973 return MPI25_VERSION;
11974 case MPI26_MFGPAGE_DEVID_SAS3216:
11975 case MPI26_MFGPAGE_DEVID_SAS3224:
11976 case MPI26_MFGPAGE_DEVID_SAS3316_1:
11977 case MPI26_MFGPAGE_DEVID_SAS3316_2:
11978 case MPI26_MFGPAGE_DEVID_SAS3316_3:
11979 case MPI26_MFGPAGE_DEVID_SAS3316_4:
11980 case MPI26_MFGPAGE_DEVID_SAS3324_1:
11981 case MPI26_MFGPAGE_DEVID_SAS3324_2:
11982 case MPI26_MFGPAGE_DEVID_SAS3324_3:
11983 case MPI26_MFGPAGE_DEVID_SAS3324_4:
11984 case MPI26_MFGPAGE_DEVID_SAS3508:
11985 case MPI26_MFGPAGE_DEVID_SAS3508_1:
11986 case MPI26_MFGPAGE_DEVID_SAS3408:
11987 case MPI26_MFGPAGE_DEVID_SAS3516:
11988 case MPI26_MFGPAGE_DEVID_SAS3516_1:
11989 case MPI26_MFGPAGE_DEVID_SAS3416:
11990 case MPI26_MFGPAGE_DEVID_SAS3616:
11991 case MPI26_ATLAS_PCIe_SWITCH_DEVID:
11992 case MPI26_MFGPAGE_DEVID_CFG_SEC_3916:
11993 case MPI26_MFGPAGE_DEVID_HARD_SEC_3916:
11994 case MPI26_MFGPAGE_DEVID_CFG_SEC_3816:
11995 case MPI26_MFGPAGE_DEVID_HARD_SEC_3816:
11996 case MPI26_MFGPAGE_DEVID_INVALID0_3916:
11997 case MPI26_MFGPAGE_DEVID_INVALID1_3916:
11998 case MPI26_MFGPAGE_DEVID_INVALID0_3816:
11999 case MPI26_MFGPAGE_DEVID_INVALID1_3816:
12000 return MPI26_VERSION;
12006 * _scsih_probe - attach and add scsi host
12007 * @pdev: PCI device struct
12008 * @id: pci device id
12010 * Return: 0 success, anything else error.
12013 _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
12015 struct MPT3SAS_ADAPTER *ioc;
12016 struct Scsi_Host *shost = NULL;
12018 u16 hba_mpi_version;
12019 int iopoll_q_count = 0;
12021 /* Determine in which MPI version class this pci device belongs */
12022 hba_mpi_version = _scsih_determine_hba_mpi_version(pdev);
12023 if (hba_mpi_version == 0)
12026 /* Enumerate only SAS 2.0 HBA's if hbas_to_enumerate is one,
12027 * for other generation HBA's return with -ENODEV
12029 if ((hbas_to_enumerate == 1) && (hba_mpi_version != MPI2_VERSION))
12032 /* Enumerate only SAS 3.0 HBA's if hbas_to_enumerate is two,
12033 * for other generation HBA's return with -ENODEV
12035 if ((hbas_to_enumerate == 2) && (!(hba_mpi_version == MPI25_VERSION
12036 || hba_mpi_version == MPI26_VERSION)))
12039 switch (hba_mpi_version) {
12041 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S |
12042 PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM);
12043 /* Use mpt2sas driver host template for SAS 2.0 HBA's */
12044 shost = scsi_host_alloc(&mpt2sas_driver_template,
12045 sizeof(struct MPT3SAS_ADAPTER));
12048 ioc = shost_priv(shost);
12049 memset(ioc, 0, sizeof(struct MPT3SAS_ADAPTER));
12050 ioc->hba_mpi_version_belonged = hba_mpi_version;
12051 ioc->id = mpt2_ids++;
12052 sprintf(ioc->driver_name, "%s", MPT2SAS_DRIVER_NAME);
12053 switch (pdev->device) {
12054 case MPI2_MFGPAGE_DEVID_SSS6200:
12055 ioc->is_warpdrive = 1;
12056 ioc->hide_ir_msg = 1;
12058 case MPI2_MFGPAGE_DEVID_SWITCH_MPI_EP:
12059 case MPI2_MFGPAGE_DEVID_SWITCH_MPI_EP_1:
12060 ioc->is_mcpu_endpoint = 1;
12063 ioc->mfg_pg10_hide_flag = MFG_PAGE10_EXPOSE_ALL_DISKS;
12067 if (multipath_on_hba == -1 || multipath_on_hba == 0)
12068 ioc->multipath_on_hba = 0;
12070 ioc->multipath_on_hba = 1;
12073 case MPI25_VERSION:
12074 case MPI26_VERSION:
12075 /* Use mpt3sas driver host template for SAS 3.0 HBA's */
12076 shost = scsi_host_alloc(&mpt3sas_driver_template,
12077 sizeof(struct MPT3SAS_ADAPTER));
12080 ioc = shost_priv(shost);
12081 memset(ioc, 0, sizeof(struct MPT3SAS_ADAPTER));
12082 ioc->hba_mpi_version_belonged = hba_mpi_version;
12083 ioc->id = mpt3_ids++;
12084 sprintf(ioc->driver_name, "%s", MPT3SAS_DRIVER_NAME);
12085 switch (pdev->device) {
12086 case MPI26_MFGPAGE_DEVID_SAS3508:
12087 case MPI26_MFGPAGE_DEVID_SAS3508_1:
12088 case MPI26_MFGPAGE_DEVID_SAS3408:
12089 case MPI26_MFGPAGE_DEVID_SAS3516:
12090 case MPI26_MFGPAGE_DEVID_SAS3516_1:
12091 case MPI26_MFGPAGE_DEVID_SAS3416:
12092 case MPI26_MFGPAGE_DEVID_SAS3616:
12093 case MPI26_ATLAS_PCIe_SWITCH_DEVID:
12094 ioc->is_gen35_ioc = 1;
12096 case MPI26_MFGPAGE_DEVID_INVALID0_3816:
12097 case MPI26_MFGPAGE_DEVID_INVALID0_3916:
12098 dev_err(&pdev->dev,
12099 "HBA with DeviceId 0x%04x, sub VendorId 0x%04x, sub DeviceId 0x%04x is Invalid",
12100 pdev->device, pdev->subsystem_vendor,
12101 pdev->subsystem_device);
12103 case MPI26_MFGPAGE_DEVID_INVALID1_3816:
12104 case MPI26_MFGPAGE_DEVID_INVALID1_3916:
12105 dev_err(&pdev->dev,
12106 "HBA with DeviceId 0x%04x, sub VendorId 0x%04x, sub DeviceId 0x%04x is Tampered",
12107 pdev->device, pdev->subsystem_vendor,
12108 pdev->subsystem_device);
12110 case MPI26_MFGPAGE_DEVID_CFG_SEC_3816:
12111 case MPI26_MFGPAGE_DEVID_CFG_SEC_3916:
12112 dev_info(&pdev->dev,
12113 "HBA is in Configurable Secure mode\n");
12115 case MPI26_MFGPAGE_DEVID_HARD_SEC_3816:
12116 case MPI26_MFGPAGE_DEVID_HARD_SEC_3916:
12117 ioc->is_aero_ioc = ioc->is_gen35_ioc = 1;
12120 ioc->is_gen35_ioc = ioc->is_aero_ioc = 0;
12122 if ((ioc->hba_mpi_version_belonged == MPI25_VERSION &&
12123 pdev->revision >= SAS3_PCI_DEVICE_C0_REVISION) ||
12124 (ioc->hba_mpi_version_belonged == MPI26_VERSION)) {
12125 ioc->combined_reply_queue = 1;
12126 if (ioc->is_gen35_ioc)
12127 ioc->combined_reply_index_count =
12128 MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT_G35;
12130 ioc->combined_reply_index_count =
12131 MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT_G3;
12134 switch (ioc->is_gen35_ioc) {
12136 if (multipath_on_hba == -1 || multipath_on_hba == 0)
12137 ioc->multipath_on_hba = 0;
12139 ioc->multipath_on_hba = 1;
12142 if (multipath_on_hba == -1 || multipath_on_hba > 0)
12143 ioc->multipath_on_hba = 1;
12145 ioc->multipath_on_hba = 0;
12156 INIT_LIST_HEAD(&ioc->list);
12157 spin_lock(&gioc_lock);
12158 list_add_tail(&ioc->list, &mpt3sas_ioc_list);
12159 spin_unlock(&gioc_lock);
12160 ioc->shost = shost;
12162 ioc->scsi_io_cb_idx = scsi_io_cb_idx;
12163 ioc->tm_cb_idx = tm_cb_idx;
12164 ioc->ctl_cb_idx = ctl_cb_idx;
12165 ioc->base_cb_idx = base_cb_idx;
12166 ioc->port_enable_cb_idx = port_enable_cb_idx;
12167 ioc->transport_cb_idx = transport_cb_idx;
12168 ioc->scsih_cb_idx = scsih_cb_idx;
12169 ioc->config_cb_idx = config_cb_idx;
12170 ioc->tm_tr_cb_idx = tm_tr_cb_idx;
12171 ioc->tm_tr_volume_cb_idx = tm_tr_volume_cb_idx;
12172 ioc->tm_sas_control_cb_idx = tm_sas_control_cb_idx;
12173 ioc->logging_level = logging_level;
12174 ioc->schedule_dead_ioc_flush_running_cmds = &_scsih_flush_running_cmds;
12175 /* Host waits for minimum of six seconds */
12176 ioc->max_shutdown_latency = IO_UNIT_CONTROL_SHUTDOWN_TIMEOUT;
12178 * Enable MEMORY MOVE support flag.
12180 ioc->drv_support_bitmap |= MPT_DRV_SUPPORT_BITMAP_MEMMOVE;
12181 /* Enable ADDITIONAL QUERY support flag. */
12182 ioc->drv_support_bitmap |= MPT_DRV_SUPPORT_BITMAP_ADDNLQUERY;
12184 ioc->enable_sdev_max_qd = enable_sdev_max_qd;
12186 /* misc semaphores and spin locks */
12187 mutex_init(&ioc->reset_in_progress_mutex);
12188 /* initializing pci_access_mutex lock */
12189 mutex_init(&ioc->pci_access_mutex);
12190 spin_lock_init(&ioc->ioc_reset_in_progress_lock);
12191 spin_lock_init(&ioc->scsi_lookup_lock);
12192 spin_lock_init(&ioc->sas_device_lock);
12193 spin_lock_init(&ioc->sas_node_lock);
12194 spin_lock_init(&ioc->fw_event_lock);
12195 spin_lock_init(&ioc->raid_device_lock);
12196 spin_lock_init(&ioc->pcie_device_lock);
12197 spin_lock_init(&ioc->diag_trigger_lock);
12199 INIT_LIST_HEAD(&ioc->sas_device_list);
12200 INIT_LIST_HEAD(&ioc->sas_device_init_list);
12201 INIT_LIST_HEAD(&ioc->sas_expander_list);
12202 INIT_LIST_HEAD(&ioc->enclosure_list);
12203 INIT_LIST_HEAD(&ioc->pcie_device_list);
12204 INIT_LIST_HEAD(&ioc->pcie_device_init_list);
12205 INIT_LIST_HEAD(&ioc->fw_event_list);
12206 INIT_LIST_HEAD(&ioc->raid_device_list);
12207 INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list);
12208 INIT_LIST_HEAD(&ioc->delayed_tr_list);
12209 INIT_LIST_HEAD(&ioc->delayed_sc_list);
12210 INIT_LIST_HEAD(&ioc->delayed_event_ack_list);
12211 INIT_LIST_HEAD(&ioc->delayed_tr_volume_list);
12212 INIT_LIST_HEAD(&ioc->reply_queue_list);
12213 INIT_LIST_HEAD(&ioc->port_table_list);
12215 sprintf(ioc->name, "%s_cm%d", ioc->driver_name, ioc->id);
12217 /* init shost parameters */
12218 shost->max_cmd_len = 32;
12219 shost->max_lun = max_lun;
12220 shost->transportt = mpt3sas_transport_template;
12221 shost->unique_id = ioc->id;
12223 if (ioc->is_mcpu_endpoint) {
12224 /* mCPU MPI support 64K max IO */
12225 shost->max_sectors = 128;
12226 ioc_info(ioc, "The max_sectors value is set to %d\n",
12227 shost->max_sectors);
12229 if (max_sectors != 0xFFFF) {
12230 if (max_sectors < 64) {
12231 shost->max_sectors = 64;
12232 ioc_warn(ioc, "Invalid value %d passed for max_sectors, range is 64 to 32767. Assigning value of 64.\n",
12234 } else if (max_sectors > 32767) {
12235 shost->max_sectors = 32767;
12236 ioc_warn(ioc, "Invalid value %d passed for max_sectors, range is 64 to 32767.Assigning default value of 32767.\n",
12239 shost->max_sectors = max_sectors & 0xFFFE;
12240 ioc_info(ioc, "The max_sectors value is set to %d\n",
12241 shost->max_sectors);
12245 /* register EEDP capabilities with SCSI layer */
12246 if (prot_mask >= 0)
12247 scsi_host_set_prot(shost, (prot_mask & 0x07));
12249 scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION
12250 | SHOST_DIF_TYPE2_PROTECTION
12251 | SHOST_DIF_TYPE3_PROTECTION);
12253 scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC);
12256 snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name),
12257 "fw_event_%s%d", ioc->driver_name, ioc->id);
12258 ioc->firmware_event_thread = alloc_ordered_workqueue(
12259 ioc->firmware_event_name, 0);
12260 if (!ioc->firmware_event_thread) {
12261 ioc_err(ioc, "failure at %s:%d/%s()!\n",
12262 __FILE__, __LINE__, __func__);
12264 goto out_thread_fail;
12267 shost->host_tagset = 0;
12269 if (ioc->is_gen35_ioc && host_tagset_enable)
12270 shost->host_tagset = 1;
12272 ioc->is_driver_loading = 1;
12273 if ((mpt3sas_base_attach(ioc))) {
12274 ioc_err(ioc, "failure at %s:%d/%s()!\n",
12275 __FILE__, __LINE__, __func__);
12277 goto out_attach_fail;
12280 if (ioc->is_warpdrive) {
12281 if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_EXPOSE_ALL_DISKS)
12282 ioc->hide_drives = 0;
12283 else if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_HIDE_ALL_DISKS)
12284 ioc->hide_drives = 1;
12286 if (mpt3sas_get_num_volumes(ioc))
12287 ioc->hide_drives = 1;
12289 ioc->hide_drives = 0;
12292 ioc->hide_drives = 0;
12294 shost->nr_hw_queues = 1;
12296 if (shost->host_tagset) {
12297 shost->nr_hw_queues =
12298 ioc->reply_queue_count - ioc->high_iops_queues;
12301 ioc->reply_queue_count - ioc->iopoll_q_start_index;
12303 shost->nr_maps = iopoll_q_count ? 3 : 1;
12305 dev_info(&ioc->pdev->dev,
12306 "Max SCSIIO MPT commands: %d shared with nr_hw_queues = %d\n",
12307 shost->can_queue, shost->nr_hw_queues);
12310 rv = scsi_add_host(shost, &pdev->dev);
12312 ioc_err(ioc, "failure at %s:%d/%s()!\n",
12313 __FILE__, __LINE__, __func__);
12314 goto out_add_shost_fail;
12317 scsi_scan_host(shost);
12318 mpt3sas_setup_debugfs(ioc);
12320 out_add_shost_fail:
12321 mpt3sas_base_detach(ioc);
12323 destroy_workqueue(ioc->firmware_event_thread);
12325 spin_lock(&gioc_lock);
12326 list_del(&ioc->list);
12327 spin_unlock(&gioc_lock);
12328 scsi_host_put(shost);
12333 * scsih_suspend - power management suspend main entry point
12334 * @dev: Device struct
12336 * Return: 0 success, anything else error.
12338 static int __maybe_unused
12339 scsih_suspend(struct device *dev)
12341 struct pci_dev *pdev = to_pci_dev(dev);
12342 struct Scsi_Host *shost;
12343 struct MPT3SAS_ADAPTER *ioc;
12346 rc = _scsih_get_shost_and_ioc(pdev, &shost, &ioc);
12350 mpt3sas_base_stop_watchdog(ioc);
12351 flush_scheduled_work();
12352 scsi_block_requests(shost);
12353 _scsih_nvme_shutdown(ioc);
12354 ioc_info(ioc, "pdev=0x%p, slot=%s, entering operating state\n",
12355 pdev, pci_name(pdev));
12357 mpt3sas_base_free_resources(ioc);
12362 * scsih_resume - power management resume main entry point
12363 * @dev: Device struct
12365 * Return: 0 success, anything else error.
12367 static int __maybe_unused
12368 scsih_resume(struct device *dev)
12370 struct pci_dev *pdev = to_pci_dev(dev);
12371 struct Scsi_Host *shost;
12372 struct MPT3SAS_ADAPTER *ioc;
12373 pci_power_t device_state = pdev->current_state;
12376 r = _scsih_get_shost_and_ioc(pdev, &shost, &ioc);
12380 ioc_info(ioc, "pdev=0x%p, slot=%s, previous operating state [D%d]\n",
12381 pdev, pci_name(pdev), device_state);
12384 r = mpt3sas_base_map_resources(ioc);
12387 ioc_info(ioc, "Issuing Hard Reset as part of OS Resume\n");
12388 mpt3sas_base_hard_reset_handler(ioc, SOFT_RESET);
12389 scsi_unblock_requests(shost);
12390 mpt3sas_base_start_watchdog(ioc);
12395 * scsih_pci_error_detected - Called when a PCI error is detected.
12396 * @pdev: PCI device struct
12397 * @state: PCI channel state
12399 * Description: Called when a PCI error is detected.
12401 * Return: PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT.
12403 static pci_ers_result_t
12404 scsih_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
12406 struct Scsi_Host *shost;
12407 struct MPT3SAS_ADAPTER *ioc;
12409 if (_scsih_get_shost_and_ioc(pdev, &shost, &ioc))
12410 return PCI_ERS_RESULT_DISCONNECT;
12412 ioc_info(ioc, "PCI error: detected callback, state(%d)!!\n", state);
12415 case pci_channel_io_normal:
12416 return PCI_ERS_RESULT_CAN_RECOVER;
12417 case pci_channel_io_frozen:
12418 /* Fatal error, prepare for slot reset */
12419 ioc->pci_error_recovery = 1;
12420 scsi_block_requests(ioc->shost);
12421 mpt3sas_base_stop_watchdog(ioc);
12422 mpt3sas_base_free_resources(ioc);
12423 return PCI_ERS_RESULT_NEED_RESET;
12424 case pci_channel_io_perm_failure:
12425 /* Permanent error, prepare for device removal */
12426 ioc->pci_error_recovery = 1;
12427 mpt3sas_base_stop_watchdog(ioc);
12428 mpt3sas_base_pause_mq_polling(ioc);
12429 _scsih_flush_running_cmds(ioc);
12430 return PCI_ERS_RESULT_DISCONNECT;
12432 return PCI_ERS_RESULT_NEED_RESET;
12436 * scsih_pci_slot_reset - Called when PCI slot has been reset.
12437 * @pdev: PCI device struct
12439 * Description: This routine is called by the pci error recovery
12440 * code after the PCI slot has been reset, just before we
12441 * should resume normal operations.
12443 static pci_ers_result_t
12444 scsih_pci_slot_reset(struct pci_dev *pdev)
12446 struct Scsi_Host *shost;
12447 struct MPT3SAS_ADAPTER *ioc;
12450 if (_scsih_get_shost_and_ioc(pdev, &shost, &ioc))
12451 return PCI_ERS_RESULT_DISCONNECT;
12453 ioc_info(ioc, "PCI error: slot reset callback!!\n");
12455 ioc->pci_error_recovery = 0;
12457 pci_restore_state(pdev);
12458 rc = mpt3sas_base_map_resources(ioc);
12460 return PCI_ERS_RESULT_DISCONNECT;
12462 ioc_info(ioc, "Issuing Hard Reset as part of PCI Slot Reset\n");
12463 rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
12465 ioc_warn(ioc, "hard reset: %s\n",
12466 (rc == 0) ? "success" : "failed");
12469 return PCI_ERS_RESULT_RECOVERED;
12471 return PCI_ERS_RESULT_DISCONNECT;
12475 * scsih_pci_resume() - resume normal ops after PCI reset
12476 * @pdev: pointer to PCI device
12478 * Called when the error recovery driver tells us that its
12479 * OK to resume normal operation. Use completion to allow
12480 * halted scsi ops to resume.
12483 scsih_pci_resume(struct pci_dev *pdev)
12485 struct Scsi_Host *shost;
12486 struct MPT3SAS_ADAPTER *ioc;
12488 if (_scsih_get_shost_and_ioc(pdev, &shost, &ioc))
12491 ioc_info(ioc, "PCI error: resume callback!!\n");
12493 mpt3sas_base_start_watchdog(ioc);
12494 scsi_unblock_requests(ioc->shost);
12498 * scsih_pci_mmio_enabled - Enable MMIO and dump debug registers
12499 * @pdev: pointer to PCI device
12501 static pci_ers_result_t
12502 scsih_pci_mmio_enabled(struct pci_dev *pdev)
12504 struct Scsi_Host *shost;
12505 struct MPT3SAS_ADAPTER *ioc;
12507 if (_scsih_get_shost_and_ioc(pdev, &shost, &ioc))
12508 return PCI_ERS_RESULT_DISCONNECT;
12510 ioc_info(ioc, "PCI error: mmio enabled callback!!\n");
12512 /* TODO - dump whatever for debugging purposes */
12514 /* This called only if scsih_pci_error_detected returns
12515 * PCI_ERS_RESULT_CAN_RECOVER. Read/write to the device still
12516 * works, no need to reset slot.
12518 return PCI_ERS_RESULT_RECOVERED;
12522 * scsih_ncq_prio_supp - Check for NCQ command priority support
12523 * @sdev: scsi device struct
12525 * This is called when a user indicates they would like to enable
12526 * ncq command priorities. This works only on SATA devices.
12528 bool scsih_ncq_prio_supp(struct scsi_device *sdev)
12530 unsigned char *buf;
12531 bool ncq_prio_supp = false;
12533 if (!scsi_device_supports_vpd(sdev))
12534 return ncq_prio_supp;
12536 buf = kmalloc(SCSI_VPD_PG_LEN, GFP_KERNEL);
12538 return ncq_prio_supp;
12540 if (!scsi_get_vpd_page(sdev, 0x89, buf, SCSI_VPD_PG_LEN))
12541 ncq_prio_supp = (buf[213] >> 4) & 1;
12544 return ncq_prio_supp;
12547 * The pci device ids are defined in mpi/mpi2_cnfg.h.
12549 static const struct pci_device_id mpt3sas_pci_table[] = {
12550 /* Spitfire ~ 2004 */
12551 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004,
12552 PCI_ANY_ID, PCI_ANY_ID },
12553 /* Falcon ~ 2008 */
12554 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008,
12555 PCI_ANY_ID, PCI_ANY_ID },
12556 /* Liberator ~ 2108 */
12557 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1,
12558 PCI_ANY_ID, PCI_ANY_ID },
12559 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2,
12560 PCI_ANY_ID, PCI_ANY_ID },
12561 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3,
12562 PCI_ANY_ID, PCI_ANY_ID },
12563 /* Meteor ~ 2116 */
12564 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1,
12565 PCI_ANY_ID, PCI_ANY_ID },
12566 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2,
12567 PCI_ANY_ID, PCI_ANY_ID },
12568 /* Thunderbolt ~ 2208 */
12569 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1,
12570 PCI_ANY_ID, PCI_ANY_ID },
12571 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_2,
12572 PCI_ANY_ID, PCI_ANY_ID },
12573 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_3,
12574 PCI_ANY_ID, PCI_ANY_ID },
12575 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_4,
12576 PCI_ANY_ID, PCI_ANY_ID },
12577 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_5,
12578 PCI_ANY_ID, PCI_ANY_ID },
12579 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6,
12580 PCI_ANY_ID, PCI_ANY_ID },
12581 /* Mustang ~ 2308 */
12582 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_1,
12583 PCI_ANY_ID, PCI_ANY_ID },
12584 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2,
12585 PCI_ANY_ID, PCI_ANY_ID },
12586 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_3,
12587 PCI_ANY_ID, PCI_ANY_ID },
12588 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SWITCH_MPI_EP,
12589 PCI_ANY_ID, PCI_ANY_ID },
12590 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SWITCH_MPI_EP_1,
12591 PCI_ANY_ID, PCI_ANY_ID },
12593 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SSS6200,
12594 PCI_ANY_ID, PCI_ANY_ID },
12595 /* Fury ~ 3004 and 3008 */
12596 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3004,
12597 PCI_ANY_ID, PCI_ANY_ID },
12598 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3008,
12599 PCI_ANY_ID, PCI_ANY_ID },
12600 /* Invader ~ 3108 */
12601 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_1,
12602 PCI_ANY_ID, PCI_ANY_ID },
12603 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_2,
12604 PCI_ANY_ID, PCI_ANY_ID },
12605 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_5,
12606 PCI_ANY_ID, PCI_ANY_ID },
12607 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_6,
12608 PCI_ANY_ID, PCI_ANY_ID },
12609 /* Cutlass ~ 3216 and 3224 */
12610 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3216,
12611 PCI_ANY_ID, PCI_ANY_ID },
12612 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3224,
12613 PCI_ANY_ID, PCI_ANY_ID },
12614 /* Intruder ~ 3316 and 3324 */
12615 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_1,
12616 PCI_ANY_ID, PCI_ANY_ID },
12617 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_2,
12618 PCI_ANY_ID, PCI_ANY_ID },
12619 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_3,
12620 PCI_ANY_ID, PCI_ANY_ID },
12621 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_4,
12622 PCI_ANY_ID, PCI_ANY_ID },
12623 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_1,
12624 PCI_ANY_ID, PCI_ANY_ID },
12625 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_2,
12626 PCI_ANY_ID, PCI_ANY_ID },
12627 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_3,
12628 PCI_ANY_ID, PCI_ANY_ID },
12629 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_4,
12630 PCI_ANY_ID, PCI_ANY_ID },
12631 /* Ventura, Crusader, Harpoon & Tomcat ~ 3516, 3416, 3508 & 3408*/
12632 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3508,
12633 PCI_ANY_ID, PCI_ANY_ID },
12634 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3508_1,
12635 PCI_ANY_ID, PCI_ANY_ID },
12636 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3408,
12637 PCI_ANY_ID, PCI_ANY_ID },
12638 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3516,
12639 PCI_ANY_ID, PCI_ANY_ID },
12640 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3516_1,
12641 PCI_ANY_ID, PCI_ANY_ID },
12642 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3416,
12643 PCI_ANY_ID, PCI_ANY_ID },
12644 /* Mercator ~ 3616*/
12645 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3616,
12646 PCI_ANY_ID, PCI_ANY_ID },
12648 /* Aero SI 0x00E1 Configurable Secure
12649 * 0x00E2 Hard Secure
12651 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_CFG_SEC_3916,
12652 PCI_ANY_ID, PCI_ANY_ID },
12653 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_HARD_SEC_3916,
12654 PCI_ANY_ID, PCI_ANY_ID },
12657 * Aero SI –> 0x00E0 Invalid, 0x00E3 Tampered
12659 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_INVALID0_3916,
12660 PCI_ANY_ID, PCI_ANY_ID },
12661 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_INVALID1_3916,
12662 PCI_ANY_ID, PCI_ANY_ID },
12664 /* Atlas PCIe Switch Management Port */
12665 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_ATLAS_PCIe_SWITCH_DEVID,
12666 PCI_ANY_ID, PCI_ANY_ID },
12668 /* Sea SI 0x00E5 Configurable Secure
12669 * 0x00E6 Hard Secure
12671 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_CFG_SEC_3816,
12672 PCI_ANY_ID, PCI_ANY_ID },
12673 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_HARD_SEC_3816,
12674 PCI_ANY_ID, PCI_ANY_ID },
12677 * Sea SI –> 0x00E4 Invalid, 0x00E7 Tampered
12679 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_INVALID0_3816,
12680 PCI_ANY_ID, PCI_ANY_ID },
12681 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_INVALID1_3816,
12682 PCI_ANY_ID, PCI_ANY_ID },
12684 {0} /* Terminating entry */
12686 MODULE_DEVICE_TABLE(pci, mpt3sas_pci_table);
12688 static struct pci_error_handlers _mpt3sas_err_handler = {
12689 .error_detected = scsih_pci_error_detected,
12690 .mmio_enabled = scsih_pci_mmio_enabled,
12691 .slot_reset = scsih_pci_slot_reset,
12692 .resume = scsih_pci_resume,
12695 static SIMPLE_DEV_PM_OPS(scsih_pm_ops, scsih_suspend, scsih_resume);
12697 static struct pci_driver mpt3sas_driver = {
12698 .name = MPT3SAS_DRIVER_NAME,
12699 .id_table = mpt3sas_pci_table,
12700 .probe = _scsih_probe,
12701 .remove = scsih_remove,
12702 .shutdown = scsih_shutdown,
12703 .err_handler = &_mpt3sas_err_handler,
12704 .driver.pm = &scsih_pm_ops,
12708 * scsih_init - main entry point for this driver.
12710 * Return: 0 success, anything else error.
12718 mpt3sas_base_initialize_callback_handler();
12720 /* queuecommand callback hander */
12721 scsi_io_cb_idx = mpt3sas_base_register_callback_handler(_scsih_io_done);
12723 /* task management callback handler */
12724 tm_cb_idx = mpt3sas_base_register_callback_handler(_scsih_tm_done);
12726 /* base internal commands callback handler */
12727 base_cb_idx = mpt3sas_base_register_callback_handler(mpt3sas_base_done);
12728 port_enable_cb_idx = mpt3sas_base_register_callback_handler(
12729 mpt3sas_port_enable_done);
12731 /* transport internal commands callback handler */
12732 transport_cb_idx = mpt3sas_base_register_callback_handler(
12733 mpt3sas_transport_done);
12735 /* scsih internal commands callback handler */
12736 scsih_cb_idx = mpt3sas_base_register_callback_handler(_scsih_done);
12738 /* configuration page API internal commands callback handler */
12739 config_cb_idx = mpt3sas_base_register_callback_handler(
12740 mpt3sas_config_done);
12742 /* ctl module callback handler */
12743 ctl_cb_idx = mpt3sas_base_register_callback_handler(mpt3sas_ctl_done);
12745 tm_tr_cb_idx = mpt3sas_base_register_callback_handler(
12746 _scsih_tm_tr_complete);
12748 tm_tr_volume_cb_idx = mpt3sas_base_register_callback_handler(
12749 _scsih_tm_volume_tr_complete);
12751 tm_sas_control_cb_idx = mpt3sas_base_register_callback_handler(
12752 _scsih_sas_control_complete);
12754 mpt3sas_init_debugfs();
12759 * scsih_exit - exit point for this driver (when it is a module).
12761 * Return: 0 success, anything else error.
12767 mpt3sas_base_release_callback_handler(scsi_io_cb_idx);
12768 mpt3sas_base_release_callback_handler(tm_cb_idx);
12769 mpt3sas_base_release_callback_handler(base_cb_idx);
12770 mpt3sas_base_release_callback_handler(port_enable_cb_idx);
12771 mpt3sas_base_release_callback_handler(transport_cb_idx);
12772 mpt3sas_base_release_callback_handler(scsih_cb_idx);
12773 mpt3sas_base_release_callback_handler(config_cb_idx);
12774 mpt3sas_base_release_callback_handler(ctl_cb_idx);
12776 mpt3sas_base_release_callback_handler(tm_tr_cb_idx);
12777 mpt3sas_base_release_callback_handler(tm_tr_volume_cb_idx);
12778 mpt3sas_base_release_callback_handler(tm_sas_control_cb_idx);
12780 /* raid transport support */
12781 if (hbas_to_enumerate != 1)
12782 raid_class_release(mpt3sas_raid_template);
12783 if (hbas_to_enumerate != 2)
12784 raid_class_release(mpt2sas_raid_template);
12785 sas_release_transport(mpt3sas_transport_template);
12786 mpt3sas_exit_debugfs();
12790 * _mpt3sas_init - main entry point for this driver.
12792 * Return: 0 success, anything else error.
12795 _mpt3sas_init(void)
12799 pr_info("%s version %s loaded\n", MPT3SAS_DRIVER_NAME,
12800 MPT3SAS_DRIVER_VERSION);
12802 mpt3sas_transport_template =
12803 sas_attach_transport(&mpt3sas_transport_functions);
12804 if (!mpt3sas_transport_template)
12807 /* No need attach mpt3sas raid functions template
12808 * if hbas_to_enumarate value is one.
12810 if (hbas_to_enumerate != 1) {
12811 mpt3sas_raid_template =
12812 raid_class_attach(&mpt3sas_raid_functions);
12813 if (!mpt3sas_raid_template) {
12814 sas_release_transport(mpt3sas_transport_template);
12819 /* No need to attach mpt2sas raid functions template
12820 * if hbas_to_enumarate value is two
12822 if (hbas_to_enumerate != 2) {
12823 mpt2sas_raid_template =
12824 raid_class_attach(&mpt2sas_raid_functions);
12825 if (!mpt2sas_raid_template) {
12826 sas_release_transport(mpt3sas_transport_template);
12831 error = scsih_init();
12837 mpt3sas_ctl_init(hbas_to_enumerate);
12839 error = pci_register_driver(&mpt3sas_driver);
12847 * _mpt3sas_exit - exit point for this driver (when it is a module).
12851 _mpt3sas_exit(void)
12853 pr_info("mpt3sas version %s unloading\n",
12854 MPT3SAS_DRIVER_VERSION);
12856 mpt3sas_ctl_exit(hbas_to_enumerate);
12858 pci_unregister_driver(&mpt3sas_driver);
12863 module_init(_mpt3sas_init);
12864 module_exit(_mpt3sas_exit);