projects / linux-2.6-block.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
mpt3sas: Handle active cable exception event
[linux-2.6-block.git] / drivers / scsi / mpt3sas / mpt3sas_scsih.c
CommitLineData
f92363d1
SR		 1/*
2 * Scsi Host Layer for MPT (Message Passing Technology) based controllers
3 *
4 * This code is based on drivers/scsi/mpt3sas/mpt3sas_scsih.c
a4ffce0d 5 * Copyright (C) 2012-2014 LSI Corporation
a03bd153
SR		 6 * Copyright (C) 2013-2014 Avago Technologies
7 * (mailto: MPT-FusionLinux.pdl@avagotech.com)
f92363d1
SR		 8 *
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.
13 *
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.
18 *
19 * NO WARRANTY
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
26 * exercise of rights under this Agreement, including but not limited to
27 * the risks and costs of program errors, damage to or loss of data,
28 * programs or equipment, and unavailability or interruption of operations.
29
30 * DISCLAIMER OF LIABILITY
31 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
32 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
34 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
35 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
36 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
37 * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
38
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
42 * USA.
43 */
44
f92363d1
SR		 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>
7786ab6a 57#include <asm/unaligned.h>
f92363d1
SR		 58
59#include "mpt3sas_base.h"
60
f92363d1
SR		 61#define RAID_CHANNEL 1
62/* forward proto's */
63static void _scsih_expander_node_remove(struct MPT3SAS_ADAPTER *ioc,
64 struct _sas_node *sas_expander);
65static void _firmware_event_work(struct work_struct *work);
66
67static void _scsih_remove_device(struct MPT3SAS_ADAPTER *ioc,
68 struct _sas_device *sas_device);
69static int _scsih_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle,
70 u8 retry_count, u8 is_pd);
71
72static u8 _scsih_check_for_pending_tm(struct MPT3SAS_ADAPTER *ioc, u16 smid);
73
f92363d1
SR		 74/* global parameters */
75LIST_HEAD(mpt3sas_ioc_list);
08c4d550
SR		 76/* global ioc lock for list operations */
77DEFINE_SPINLOCK(gioc_lock);
f92363d1 78
c84b06a4
SR		 79MODULE_AUTHOR(MPT3SAS_AUTHOR);
80MODULE_DESCRIPTION(MPT3SAS_DESCRIPTION);
81MODULE_LICENSE("GPL");
82MODULE_VERSION(MPT3SAS_DRIVER_VERSION);
83MODULE_ALIAS("mpt2sas");
84
f92363d1
SR		 85/* local parameters */
86static u8 scsi_io_cb_idx = -1;
87static u8 tm_cb_idx = -1;
88static u8 ctl_cb_idx = -1;
89static u8 base_cb_idx = -1;
90static u8 port_enable_cb_idx = -1;
91static u8 transport_cb_idx = -1;
92static u8 scsih_cb_idx = -1;
93static u8 config_cb_idx = -1;
c84b06a4
SR		 94static int mpt2_ids;
95static int mpt3_ids;
f92363d1
SR		 96
97static u8 tm_tr_cb_idx = -1 ;
98static u8 tm_tr_volume_cb_idx = -1 ;
99static u8 tm_sas_control_cb_idx = -1;
100
101/* command line options */
102static u32 logging_level;
103MODULE_PARM_DESC(logging_level,
104 " bits for enabling additional logging info (default=0)");
105
106
107static ushort max_sectors = 0xFFFF;
108module_param(max_sectors, ushort, 0);
109MODULE_PARM_DESC(max_sectors, "max sectors, range 64 to 32767 default=32767");
110
111
112static int missing_delay[2] = {-1, -1};
113module_param_array(missing_delay, int, NULL, 0);
114MODULE_PARM_DESC(missing_delay, " device missing delay , io missing delay");
115
116/* scsi-mid layer global parmeter is max_report_luns, which is 511 */
117#define MPT3SAS_MAX_LUN (16895)
1abf635d
HR		 118static u64 max_lun = MPT3SAS_MAX_LUN;
119module_param(max_lun, ullong, 0);
f92363d1
SR		 120MODULE_PARM_DESC(max_lun, " max lun, default=16895 ");
121
c84b06a4
SR		 122static ushort hbas_to_enumerate;
123module_param(hbas_to_enumerate, ushort, 0);
124MODULE_PARM_DESC(hbas_to_enumerate,
125 " 0 - enumerates both SAS 2.0 & SAS 3.0 generation HBAs\n \
126 1 - enumerates only SAS 2.0 generation HBAs\n \
127 2 - enumerates only SAS 3.0 generation HBAs (default=0)");
f92363d1
SR		 128
129/* diag_buffer_enable is bitwise
130 * bit 0 set = TRACE
131 * bit 1 set = SNAPSHOT
132 * bit 2 set = EXTENDED
133 *
134 * Either bit can be set, or both
135 */
136static int diag_buffer_enable = -1;
137module_param(diag_buffer_enable, int, 0);
138MODULE_PARM_DESC(diag_buffer_enable,
139 " post diag buffers (TRACE=1/SNAPSHOT=2/EXTENDED=4/default=0)");
140static int disable_discovery = -1;
141module_param(disable_discovery, int, 0);
142MODULE_PARM_DESC(disable_discovery, " disable discovery ");
143
144
145/* permit overriding the host protection capabilities mask (EEDP/T10 PI) */
146static int prot_mask = -1;
147module_param(prot_mask, int, 0);
148MODULE_PARM_DESC(prot_mask, " host protection capabilities mask, def=7 ");
149
150
151/* raid transport support */
7497392a 152struct raid_template *mpt3sas_raid_template;
c84b06a4 153struct raid_template *mpt2sas_raid_template;
f92363d1
SR		 154
155
156/**
157 * struct sense_info - common structure for obtaining sense keys
158 * @skey: sense key
159 * @asc: additional sense code
160 * @ascq: additional sense code qualifier
161 */
162struct sense_info {
163 u8 skey;
164 u8 asc;
165 u8 ascq;
166};
167
168#define MPT3SAS_PROCESS_TRIGGER_DIAG (0xFFFB)
0f624c39 169#define MPT3SAS_TURN_ON_PFA_LED (0xFFFC)
f92363d1
SR		 170#define MPT3SAS_PORT_ENABLE_COMPLETE (0xFFFD)
171#define MPT3SAS_ABRT_TASK_SET (0xFFFE)
172#define MPT3SAS_REMOVE_UNRESPONDING_DEVICES (0xFFFF)
173/**
174 * struct fw_event_work - firmware event struct
175 * @list: link list framework
176 * @work: work object (ioc->fault_reset_work_q)
f92363d1
SR		 177 * @ioc: per adapter object
178 * @device_handle: device handle
179 * @VF_ID: virtual function id
180 * @VP_ID: virtual port id
181 * @ignore: flag meaning this event has been marked to ignore
b8ac0cc7
JL		 182 * @event: firmware event MPI2_EVENT_XXX defined in mpi2_ioc.h
183 * @refcount: kref for this event
f92363d1
SR		 184 * @event_data: reply event data payload follows
185 *
186 * This object stored on ioc->fw_event_list.
187 */
188struct fw_event_work {
189 struct list_head list;
190 struct work_struct work;
f92363d1
SR		 191
192 struct MPT3SAS_ADAPTER *ioc;
193 u16 device_handle;
194 u8 VF_ID;
195 u8 VP_ID;
196 u8 ignore;
197 u16 event;
146b16c8 198 struct kref refcount;
35b62362 199 char event_data[0] __aligned(4);
f92363d1
SR		 200};
201
146b16c8
SR		 202static void fw_event_work_free(struct kref *r)
203{
204 kfree(container_of(r, struct fw_event_work, refcount));
205}
206
207static void fw_event_work_get(struct fw_event_work *fw_work)
208{
209 kref_get(&fw_work->refcount);
210}
211
212static void fw_event_work_put(struct fw_event_work *fw_work)
213{
214 kref_put(&fw_work->refcount, fw_event_work_free);
215}
216
217static struct fw_event_work *alloc_fw_event_work(int len)
218{
219 struct fw_event_work *fw_event;
220
221 fw_event = kzalloc(sizeof(*fw_event) + len, GFP_ATOMIC);
222 if (!fw_event)
223 return NULL;
224
225 kref_init(&fw_event->refcount);
226 return fw_event;
227}
228
f92363d1
SR		 229/**
230 * struct _scsi_io_transfer - scsi io transfer
231 * @handle: sas device handle (assigned by firmware)
232 * @is_raid: flag set for hidden raid components
233 * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE,
234 * @data_length: data transfer length
235 * @data_dma: dma pointer to data
236 * @sense: sense data
237 * @lun: lun number
238 * @cdb_length: cdb length
239 * @cdb: cdb contents
240 * @timeout: timeout for this command
241 * @VF_ID: virtual function id
242 * @VP_ID: virtual port id
243 * @valid_reply: flag set for reply message
244 * @sense_length: sense length
245 * @ioc_status: ioc status
246 * @scsi_state: scsi state
247 * @scsi_status: scsi staus
248 * @log_info: log information
249 * @transfer_length: data length transfer when there is a reply message
250 *
251 * Used for sending internal scsi commands to devices within this module.
252 * Refer to _scsi_send_scsi_io().
253 */
254struct _scsi_io_transfer {
255 u16 handle;
256 u8 is_raid;
257 enum dma_data_direction dir;
258 u32 data_length;
259 dma_addr_t data_dma;
260 u8 sense[SCSI_SENSE_BUFFERSIZE];
261 u32 lun;
262 u8 cdb_length;
263 u8 cdb[32];
264 u8 timeout;
265 u8 VF_ID;
266 u8 VP_ID;
267 u8 valid_reply;
268 /* the following bits are only valid when 'valid_reply = 1' */
269 u32 sense_length;
270 u16 ioc_status;
271 u8 scsi_state;
272 u8 scsi_status;
273 u32 log_info;
274 u32 transfer_length;
275};
276
f92363d1
SR		 277/**
278 * _scsih_set_debug_level - global setting of ioc->logging_level.
279 *
280 * Note: The logging levels are defined in mpt3sas_debug.h.
281 */
282static int
283_scsih_set_debug_level(const char *val, struct kernel_param *kp)
284{
285 int ret = param_set_int(val, kp);
286 struct MPT3SAS_ADAPTER *ioc;
287
288 if (ret)
289 return ret;
290
291 pr_info("setting logging_level(0x%08x)\n", logging_level);
08c4d550 292 spin_lock(&gioc_lock);
f92363d1
SR		 293 list_for_each_entry(ioc, &mpt3sas_ioc_list, list)
294 ioc->logging_level = logging_level;
08c4d550 295 spin_unlock(&gioc_lock);
f92363d1
SR		 296 return 0;
297}
298module_param_call(logging_level, _scsih_set_debug_level, param_get_int,
299 &logging_level, 0644);
300
301/**
302 * _scsih_srch_boot_sas_address - search based on sas_address
303 * @sas_address: sas address
304 * @boot_device: boot device object from bios page 2
305 *
306 * Returns 1 when there's a match, 0 means no match.
307 */
308static inline int
309_scsih_srch_boot_sas_address(u64 sas_address,
310 Mpi2BootDeviceSasWwid_t *boot_device)
311{
312 return (sas_address == le64_to_cpu(boot_device->SASAddress)) ? 1 : 0;
313}
314
315/**
316 * _scsih_srch_boot_device_name - search based on device name
317 * @device_name: device name specified in INDENTIFY fram
318 * @boot_device: boot device object from bios page 2
319 *
320 * Returns 1 when there's a match, 0 means no match.
321 */
322static inline int
323_scsih_srch_boot_device_name(u64 device_name,
324 Mpi2BootDeviceDeviceName_t *boot_device)
325{
326 return (device_name == le64_to_cpu(boot_device->DeviceName)) ? 1 : 0;
327}
328
329/**
330 * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot
331 * @enclosure_logical_id: enclosure logical id
332 * @slot_number: slot number
333 * @boot_device: boot device object from bios page 2
334 *
335 * Returns 1 when there's a match, 0 means no match.
336 */
337static inline int
338_scsih_srch_boot_encl_slot(u64 enclosure_logical_id, u16 slot_number,
339 Mpi2BootDeviceEnclosureSlot_t *boot_device)
340{
341 return (enclosure_logical_id == le64_to_cpu(boot_device->
342 EnclosureLogicalID) && slot_number == le16_to_cpu(boot_device->
343 SlotNumber)) ? 1 : 0;
344}
345
346/**
347 * _scsih_is_boot_device - search for matching boot device.
348 * @sas_address: sas address
349 * @device_name: device name specified in INDENTIFY fram
350 * @enclosure_logical_id: enclosure logical id
351 * @slot_number: slot number
352 * @form: specifies boot device form
353 * @boot_device: boot device object from bios page 2
354 *
355 * Returns 1 when there's a match, 0 means no match.
356 */
357static int
358_scsih_is_boot_device(u64 sas_address, u64 device_name,
359 u64 enclosure_logical_id, u16 slot, u8 form,
360 Mpi2BiosPage2BootDevice_t *boot_device)
361{
362 int rc = 0;
363
364 switch (form) {
365 case MPI2_BIOSPAGE2_FORM_SAS_WWID:
366 if (!sas_address)
367 break;
368 rc = _scsih_srch_boot_sas_address(
369 sas_address, &boot_device->SasWwid);
370 break;
371 case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT:
372 if (!enclosure_logical_id)
373 break;
374 rc = _scsih_srch_boot_encl_slot(
375 enclosure_logical_id,
376 slot, &boot_device->EnclosureSlot);
377 break;
378 case MPI2_BIOSPAGE2_FORM_DEVICE_NAME:
379 if (!device_name)
380 break;
381 rc = _scsih_srch_boot_device_name(
382 device_name, &boot_device->DeviceName);
383 break;
384 case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED:
385 break;
386 }
387
388 return rc;
389}
390
391/**
392 * _scsih_get_sas_address - set the sas_address for given device handle
393 * @handle: device handle
394 * @sas_address: sas address
395 *
396 * Returns 0 success, non-zero when failure
397 */
398static int
399_scsih_get_sas_address(struct MPT3SAS_ADAPTER *ioc, u16 handle,
400 u64 *sas_address)
401{
402 Mpi2SasDevicePage0_t sas_device_pg0;
403 Mpi2ConfigReply_t mpi_reply;
404 u32 ioc_status;
405
406 *sas_address = 0;
407
408 if (handle <= ioc->sas_hba.num_phys) {
409 *sas_address = ioc->sas_hba.sas_address;
410 return 0;
411 }
412
413 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
414 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
415 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", ioc->name,
416 __FILE__, __LINE__, __func__);
417 return -ENXIO;
418 }
419
420 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
421 if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
422 *sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
423 return 0;
424 }
425
426 /* we hit this becuase the given parent handle doesn't exist */
427 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
428 return -ENXIO;
429
430 /* else error case */
431 pr_err(MPT3SAS_FMT
432 "handle(0x%04x), ioc_status(0x%04x), failure at %s:%d/%s()!\n",
433 ioc->name, handle, ioc_status,
434 __FILE__, __LINE__, __func__);
435 return -EIO;
436}
437
438/**
439 * _scsih_determine_boot_device - determine boot device.
440 * @ioc: per adapter object
441 * @device: either sas_device or raid_device object
442 * @is_raid: [flag] 1 = raid object, 0 = sas object
443 *
444 * Determines whether this device should be first reported device to
445 * to scsi-ml or sas transport, this purpose is for persistent boot device.
446 * There are primary, alternate, and current entries in bios page 2. The order
447 * priority is primary, alternate, then current. This routine saves
448 * the corresponding device object and is_raid flag in the ioc object.
449 * The saved data to be used later in _scsih_probe_boot_devices().
450 */
451static void
452_scsih_determine_boot_device(struct MPT3SAS_ADAPTER *ioc,
453 void *device, u8 is_raid)
454{
455 struct _sas_device *sas_device;
456 struct _raid_device *raid_device;
457 u64 sas_address;
458 u64 device_name;
459 u64 enclosure_logical_id;
460 u16 slot;
461
462 /* only process this function when driver loads */
463 if (!ioc->is_driver_loading)
464 return;
465
466 /* no Bios, return immediately */
467 if (!ioc->bios_pg3.BiosVersion)
468 return;
469
470 if (!is_raid) {
471 sas_device = device;
472 sas_address = sas_device->sas_address;
473 device_name = sas_device->device_name;
474 enclosure_logical_id = sas_device->enclosure_logical_id;
475 slot = sas_device->slot;
476 } else {
477 raid_device = device;
478 sas_address = raid_device->wwid;
479 device_name = 0;
480 enclosure_logical_id = 0;
481 slot = 0;
482 }
483
484 if (!ioc->req_boot_device.device) {
485 if (_scsih_is_boot_device(sas_address, device_name,
486 enclosure_logical_id, slot,
487 (ioc->bios_pg2.ReqBootDeviceForm &
488 MPI2_BIOSPAGE2_FORM_MASK),
489 &ioc->bios_pg2.RequestedBootDevice)) {
490 dinitprintk(ioc, pr_info(MPT3SAS_FMT
491 "%s: req_boot_device(0x%016llx)\n",
492 ioc->name, __func__,
493 (unsigned long long)sas_address));
494 ioc->req_boot_device.device = device;
495 ioc->req_boot_device.is_raid = is_raid;
496 }
497 }
498
499 if (!ioc->req_alt_boot_device.device) {
500 if (_scsih_is_boot_device(sas_address, device_name,
501 enclosure_logical_id, slot,
502 (ioc->bios_pg2.ReqAltBootDeviceForm &
503 MPI2_BIOSPAGE2_FORM_MASK),
504 &ioc->bios_pg2.RequestedAltBootDevice)) {
505 dinitprintk(ioc, pr_info(MPT3SAS_FMT
506 "%s: req_alt_boot_device(0x%016llx)\n",
507 ioc->name, __func__,
508 (unsigned long long)sas_address));
509 ioc->req_alt_boot_device.device = device;
510 ioc->req_alt_boot_device.is_raid = is_raid;
511 }
512 }
513
514 if (!ioc->current_boot_device.device) {
515 if (_scsih_is_boot_device(sas_address, device_name,
516 enclosure_logical_id, slot,
517 (ioc->bios_pg2.CurrentBootDeviceForm &
518 MPI2_BIOSPAGE2_FORM_MASK),
519 &ioc->bios_pg2.CurrentBootDevice)) {
520 dinitprintk(ioc, pr_info(MPT3SAS_FMT
521 "%s: current_boot_device(0x%016llx)\n",
522 ioc->name, __func__,
523 (unsigned long long)sas_address));
524 ioc->current_boot_device.device = device;
525 ioc->current_boot_device.is_raid = is_raid;
526 }
527 }
528}
529
d1cb5e49
SR		 530static struct _sas_device *
531__mpt3sas_get_sdev_from_target(struct MPT3SAS_ADAPTER *ioc,
532 struct MPT3SAS_TARGET *tgt_priv)
533{
534 struct _sas_device *ret;
535
536 assert_spin_locked(&ioc->sas_device_lock);
537
538 ret = tgt_priv->sdev;
539 if (ret)
540 sas_device_get(ret);
541
542 return ret;
543}
544
545static struct _sas_device *
546mpt3sas_get_sdev_from_target(struct MPT3SAS_ADAPTER *ioc,
547 struct MPT3SAS_TARGET *tgt_priv)
548{
549 struct _sas_device *ret;
550 unsigned long flags;
551
552 spin_lock_irqsave(&ioc->sas_device_lock, flags);
553 ret = __mpt3sas_get_sdev_from_target(ioc, tgt_priv);
554 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
555
556 return ret;
557}
558
559
560struct _sas_device *
561__mpt3sas_get_sdev_by_addr(struct MPT3SAS_ADAPTER *ioc,
562 u64 sas_address)
563{
564 struct _sas_device *sas_device;
565
566 assert_spin_locked(&ioc->sas_device_lock);
567
568 list_for_each_entry(sas_device, &ioc->sas_device_list, list)
569 if (sas_device->sas_address == sas_address)
570 goto found_device;
571
572 list_for_each_entry(sas_device, &ioc->sas_device_init_list, list)
573 if (sas_device->sas_address == sas_address)
574 goto found_device;
575
576 return NULL;
577
578found_device:
579 sas_device_get(sas_device);
580 return sas_device;
581}
582
f92363d1 583/**
d1cb5e49 584 * mpt3sas_get_sdev_by_addr - sas device search
f92363d1
SR		 585 * @ioc: per adapter object
586 * @sas_address: sas address
587 * Context: Calling function should acquire ioc->sas_device_lock
588 *
589 * This searches for sas_device based on sas_address, then return sas_device
590 * object.
591 */
592struct _sas_device *
d1cb5e49 593mpt3sas_get_sdev_by_addr(struct MPT3SAS_ADAPTER *ioc,
f92363d1
SR		 594 u64 sas_address)
595{
596 struct _sas_device *sas_device;
d1cb5e49
SR		 597 unsigned long flags;
598
599 spin_lock_irqsave(&ioc->sas_device_lock, flags);
600 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
601 sas_address);
602 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
603
604 return sas_device;
605}
606
607static struct _sas_device *
608__mpt3sas_get_sdev_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
609{
610 struct _sas_device *sas_device;
611
612 assert_spin_locked(&ioc->sas_device_lock);
f92363d1
SR		 613
614 list_for_each_entry(sas_device, &ioc->sas_device_list, list)
d1cb5e49
SR		 615 if (sas_device->handle == handle)
616 goto found_device;
f92363d1
SR		 617
618 list_for_each_entry(sas_device, &ioc->sas_device_init_list, list)
d1cb5e49
SR		 619 if (sas_device->handle == handle)
620 goto found_device;
f92363d1
SR		 621
622 return NULL;
d1cb5e49
SR		 623
624found_device:
625 sas_device_get(sas_device);
626 return sas_device;
f92363d1
SR		 627}
628
629/**
d1cb5e49 630 * mpt3sas_get_sdev_by_handle - sas device search
f92363d1
SR		 631 * @ioc: per adapter object
632 * @handle: sas device handle (assigned by firmware)
633 * Context: Calling function should acquire ioc->sas_device_lock
634 *
635 * This searches for sas_device based on sas_address, then return sas_device
636 * object.
637 */
638static struct _sas_device *
d1cb5e49 639mpt3sas_get_sdev_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
f92363d1
SR		 640{
641 struct _sas_device *sas_device;
d1cb5e49 642 unsigned long flags;
f92363d1 643
d1cb5e49
SR		 644 spin_lock_irqsave(&ioc->sas_device_lock, flags);
645 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
646 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
f92363d1 647
d1cb5e49 648 return sas_device;
f92363d1
SR		 649}
650
651/**
652 * _scsih_sas_device_remove - remove sas_device from list.
653 * @ioc: per adapter object
654 * @sas_device: the sas_device object
655 * Context: This function will acquire ioc->sas_device_lock.
656 *
d1cb5e49 657 * If sas_device is on the list, remove it and decrement its reference count.
f92363d1
SR		 658 */
659static void
660_scsih_sas_device_remove(struct MPT3SAS_ADAPTER *ioc,
661 struct _sas_device *sas_device)
662{
663 unsigned long flags;
664
665 if (!sas_device)
666 return;
e6d45e3e
SR		 667 pr_info(MPT3SAS_FMT
668 "removing handle(0x%04x), sas_addr(0x%016llx)\n",
669 ioc->name, sas_device->handle,
670 (unsigned long long) sas_device->sas_address);
671
672 if (sas_device->enclosure_handle != 0)
673 pr_info(MPT3SAS_FMT
674 "removing enclosure logical id(0x%016llx), slot(%d)\n",
675 ioc->name, (unsigned long long)
676 sas_device->enclosure_logical_id, sas_device->slot);
677
678 if (sas_device->connector_name[0] != '\0')
679 pr_info(MPT3SAS_FMT
680 "removing enclosure level(0x%04x), connector name( %s)\n",
681 ioc->name, sas_device->enclosure_level,
682 sas_device->connector_name);
f92363d1 683
d1cb5e49
SR		 684 /*
685 * The lock serializes access to the list, but we still need to verify
686 * that nobody removed the entry while we were waiting on the lock.
687 */
f92363d1 688 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49
SR		 689 if (!list_empty(&sas_device->list)) {
690 list_del_init(&sas_device->list);
691 sas_device_put(sas_device);
692 }
f92363d1
SR		 693 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
694}
695
696/**
697 * _scsih_device_remove_by_handle - removing device object by handle
698 * @ioc: per adapter object
699 * @handle: device handle
700 *
701 * Return nothing.
702 */
703static void
704_scsih_device_remove_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
705{
706 struct _sas_device *sas_device;
707 unsigned long flags;
708
709 if (ioc->shost_recovery)
710 return;
711
712 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49
SR		 713 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
714 if (sas_device) {
715 list_del_init(&sas_device->list);
716 sas_device_put(sas_device);
717 }
f92363d1 718 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
d1cb5e49 719 if (sas_device) {
f92363d1 720 _scsih_remove_device(ioc, sas_device);
d1cb5e49
SR		 721 sas_device_put(sas_device);
722 }
f92363d1
SR		 723}
724
725/**
726 * mpt3sas_device_remove_by_sas_address - removing device object by sas address
727 * @ioc: per adapter object
728 * @sas_address: device sas_address
729 *
730 * Return nothing.
731 */
732void
733mpt3sas_device_remove_by_sas_address(struct MPT3SAS_ADAPTER *ioc,
734 u64 sas_address)
735{
736 struct _sas_device *sas_device;
737 unsigned long flags;
738
739 if (ioc->shost_recovery)
740 return;
741
742 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49
SR		 743 sas_device = __mpt3sas_get_sdev_by_addr(ioc, sas_address);
744 if (sas_device) {
745 list_del_init(&sas_device->list);
746 sas_device_put(sas_device);
747 }
f92363d1 748 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
d1cb5e49 749 if (sas_device) {
f92363d1 750 _scsih_remove_device(ioc, sas_device);
d1cb5e49
SR		 751 sas_device_put(sas_device);
752 }
f92363d1
SR		 753}
754
755/**
756 * _scsih_sas_device_add - insert sas_device to the list.
757 * @ioc: per adapter object
758 * @sas_device: the sas_device object
759 * Context: This function will acquire ioc->sas_device_lock.
760 *
761 * Adding new object to the ioc->sas_device_list.
762 */
763static void
764_scsih_sas_device_add(struct MPT3SAS_ADAPTER *ioc,
765 struct _sas_device *sas_device)
766{
767 unsigned long flags;
768
769 dewtprintk(ioc, pr_info(MPT3SAS_FMT
770 "%s: handle(0x%04x), sas_addr(0x%016llx)\n",
771 ioc->name, __func__, sas_device->handle,
772 (unsigned long long)sas_device->sas_address));
773
e6d45e3e
SR		 774 if (sas_device->enclosure_handle != 0)
775 dewtprintk(ioc, pr_info(MPT3SAS_FMT
776 "%s: enclosure logical id(0x%016llx), slot( %d)\n",
777 ioc->name, __func__, (unsigned long long)
778 sas_device->enclosure_logical_id, sas_device->slot));
779
780 if (sas_device->connector_name[0] != '\0')
781 dewtprintk(ioc, pr_info(MPT3SAS_FMT
782 "%s: enclosure level(0x%04x), connector name( %s)\n",
783 ioc->name, __func__,
784 sas_device->enclosure_level, sas_device->connector_name));
785
f92363d1 786 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 787 sas_device_get(sas_device);
f92363d1
SR		 788 list_add_tail(&sas_device->list, &ioc->sas_device_list);
789 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
790
791 if (!mpt3sas_transport_port_add(ioc, sas_device->handle,
792 sas_device->sas_address_parent)) {
793 _scsih_sas_device_remove(ioc, sas_device);
794 } else if (!sas_device->starget) {
795 /*
796 * When asyn scanning is enabled, its not possible to remove
797 * devices while scanning is turned on due to an oops in
798 * scsi_sysfs_add_sdev()->add_device()->sysfs_addrm_start()
799 */
f5edbe77 800 if (!ioc->is_driver_loading) {
f92363d1
SR		 801 mpt3sas_transport_port_remove(ioc,
802 sas_device->sas_address,
803 sas_device->sas_address_parent);
f5edbe77
SR		 804 _scsih_sas_device_remove(ioc, sas_device);
805 }
f92363d1
SR		 806 }
807}
808
809/**
810 * _scsih_sas_device_init_add - insert sas_device to the list.
811 * @ioc: per adapter object
812 * @sas_device: the sas_device object
813 * Context: This function will acquire ioc->sas_device_lock.
814 *
815 * Adding new object at driver load time to the ioc->sas_device_init_list.
816 */
817static void
818_scsih_sas_device_init_add(struct MPT3SAS_ADAPTER *ioc,
819 struct _sas_device *sas_device)
820{
821 unsigned long flags;
822
823 dewtprintk(ioc, pr_info(MPT3SAS_FMT
824 "%s: handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name,
825 __func__, sas_device->handle,
826 (unsigned long long)sas_device->sas_address));
827
e6d45e3e
SR		 828 if (sas_device->enclosure_handle != 0)
829 dewtprintk(ioc, pr_info(MPT3SAS_FMT
830 "%s: enclosure logical id(0x%016llx), slot( %d)\n",
831 ioc->name, __func__, (unsigned long long)
832 sas_device->enclosure_logical_id, sas_device->slot));
833
834 if (sas_device->connector_name[0] != '\0')
835 dewtprintk(ioc, pr_info(MPT3SAS_FMT
836 "%s: enclosure level(0x%04x), connector name( %s)\n",
837 ioc->name, __func__, sas_device->enclosure_level,
838 sas_device->connector_name));
839
f92363d1 840 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 841 sas_device_get(sas_device);
f92363d1
SR		 842 list_add_tail(&sas_device->list, &ioc->sas_device_init_list);
843 _scsih_determine_boot_device(ioc, sas_device, 0);
844 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
845}
846
847/**
848 * _scsih_raid_device_find_by_id - raid device search
849 * @ioc: per adapter object
850 * @id: sas device target id
851 * @channel: sas device channel
852 * Context: Calling function should acquire ioc->raid_device_lock
853 *
854 * This searches for raid_device based on target id, then return raid_device
855 * object.
856 */
857static struct _raid_device *
858_scsih_raid_device_find_by_id(struct MPT3SAS_ADAPTER *ioc, int id, int channel)
859{
860 struct _raid_device *raid_device, *r;
861
862 r = NULL;
863 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
864 if (raid_device->id == id && raid_device->channel == channel) {
865 r = raid_device;
866 goto out;
867 }
868 }
869
870 out:
871 return r;
872}
873
874/**
c84b06a4 875 * mpt3sas_raid_device_find_by_handle - raid device search
f92363d1
SR		 876 * @ioc: per adapter object
877 * @handle: sas device handle (assigned by firmware)
878 * Context: Calling function should acquire ioc->raid_device_lock
879 *
880 * This searches for raid_device based on handle, then return raid_device
881 * object.
882 */
c84b06a4
SR		 883struct _raid_device *
884mpt3sas_raid_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
f92363d1
SR		 885{
886 struct _raid_device *raid_device, *r;
887
888 r = NULL;
889 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
890 if (raid_device->handle != handle)
891 continue;
892 r = raid_device;
893 goto out;
894 }
895
896 out:
897 return r;
898}
899
900/**
901 * _scsih_raid_device_find_by_wwid - raid device search
902 * @ioc: per adapter object
903 * @handle: sas device handle (assigned by firmware)
904 * Context: Calling function should acquire ioc->raid_device_lock
905 *
906 * This searches for raid_device based on wwid, then return raid_device
907 * object.
908 */
909static struct _raid_device *
910_scsih_raid_device_find_by_wwid(struct MPT3SAS_ADAPTER *ioc, u64 wwid)
911{
912 struct _raid_device *raid_device, *r;
913
914 r = NULL;
915 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
916 if (raid_device->wwid != wwid)
917 continue;
918 r = raid_device;
919 goto out;
920 }
921
922 out:
923 return r;
924}
925
926/**
927 * _scsih_raid_device_add - add raid_device object
928 * @ioc: per adapter object
929 * @raid_device: raid_device object
930 *
931 * This is added to the raid_device_list link list.
932 */
933static void
934_scsih_raid_device_add(struct MPT3SAS_ADAPTER *ioc,
935 struct _raid_device *raid_device)
936{
937 unsigned long flags;
938
939 dewtprintk(ioc, pr_info(MPT3SAS_FMT
940 "%s: handle(0x%04x), wwid(0x%016llx)\n", ioc->name, __func__,
941 raid_device->handle, (unsigned long long)raid_device->wwid));
942
943 spin_lock_irqsave(&ioc->raid_device_lock, flags);
944 list_add_tail(&raid_device->list, &ioc->raid_device_list);
945 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
946}
947
948/**
949 * _scsih_raid_device_remove - delete raid_device object
950 * @ioc: per adapter object
951 * @raid_device: raid_device object
952 *
953 */
954static void
955_scsih_raid_device_remove(struct MPT3SAS_ADAPTER *ioc,
956 struct _raid_device *raid_device)
957{
958 unsigned long flags;
959
960 spin_lock_irqsave(&ioc->raid_device_lock, flags);
961 list_del(&raid_device->list);
962 kfree(raid_device);
963 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
964}
965
966/**
967 * mpt3sas_scsih_expander_find_by_handle - expander device search
968 * @ioc: per adapter object
969 * @handle: expander handle (assigned by firmware)
970 * Context: Calling function should acquire ioc->sas_device_lock
971 *
972 * This searches for expander device based on handle, then returns the
973 * sas_node object.
974 */
975struct _sas_node *
976mpt3sas_scsih_expander_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
977{
978 struct _sas_node *sas_expander, *r;
979
980 r = NULL;
981 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
982 if (sas_expander->handle != handle)
983 continue;
984 r = sas_expander;
985 goto out;
986 }
987 out:
988 return r;
989}
990
991/**
992 * mpt3sas_scsih_expander_find_by_sas_address - expander device search
993 * @ioc: per adapter object
994 * @sas_address: sas address
995 * Context: Calling function should acquire ioc->sas_node_lock.
996 *
997 * This searches for expander device based on sas_address, then returns the
998 * sas_node object.
999 */
1000struct _sas_node *
1001mpt3sas_scsih_expander_find_by_sas_address(struct MPT3SAS_ADAPTER *ioc,
1002 u64 sas_address)
1003{
1004 struct _sas_node *sas_expander, *r;
1005
1006 r = NULL;
1007 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
1008 if (sas_expander->sas_address != sas_address)
1009 continue;
1010 r = sas_expander;
1011 goto out;
1012 }
1013 out:
1014 return r;
1015}
1016
1017/**
1018 * _scsih_expander_node_add - insert expander device to the list.
1019 * @ioc: per adapter object
1020 * @sas_expander: the sas_device object
1021 * Context: This function will acquire ioc->sas_node_lock.
1022 *
1023 * Adding new object to the ioc->sas_expander_list.
1024 *
1025 * Return nothing.
1026 */
1027static void
1028_scsih_expander_node_add(struct MPT3SAS_ADAPTER *ioc,
1029 struct _sas_node *sas_expander)
1030{
1031 unsigned long flags;
1032
1033 spin_lock_irqsave(&ioc->sas_node_lock, flags);
1034 list_add_tail(&sas_expander->list, &ioc->sas_expander_list);
1035 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
1036}
1037
1038/**
1039 * _scsih_is_end_device - determines if device is an end device
1040 * @device_info: bitfield providing information about the device.
1041 * Context: none
1042 *
1043 * Returns 1 if end device.
1044 */
1045static int
1046_scsih_is_end_device(u32 device_info)
1047{
1048 if (device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE &&
1049 ((device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) |
1050 (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) |
1051 (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)))
1052 return 1;
1053 else
1054 return 0;
1055}
1056
1057/**
1058 * _scsih_scsi_lookup_get - returns scmd entry
1059 * @ioc: per adapter object
1060 * @smid: system request message index
1061 *
1062 * Returns the smid stored scmd pointer.
1063 */
1064static struct scsi_cmnd *
1065_scsih_scsi_lookup_get(struct MPT3SAS_ADAPTER *ioc, u16 smid)
1066{
1067 return ioc->scsi_lookup[smid - 1].scmd;
1068}
1069
1070/**
1071 * _scsih_scsi_lookup_get_clear - returns scmd entry
1072 * @ioc: per adapter object
1073 * @smid: system request message index
1074 *
1075 * Returns the smid stored scmd pointer.
1076 * Then will derefrence the stored scmd pointer.
1077 */
1078static inline struct scsi_cmnd *
1079_scsih_scsi_lookup_get_clear(struct MPT3SAS_ADAPTER *ioc, u16 smid)
1080{
1081 unsigned long flags;
1082 struct scsi_cmnd *scmd;
1083
1084 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1085 scmd = ioc->scsi_lookup[smid - 1].scmd;
1086 ioc->scsi_lookup[smid - 1].scmd = NULL;
1087 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1088
1089 return scmd;
1090}
1091
1092/**
1093 * _scsih_scsi_lookup_find_by_scmd - scmd lookup
1094 * @ioc: per adapter object
1095 * @smid: system request message index
1096 * @scmd: pointer to scsi command object
1097 * Context: This function will acquire ioc->scsi_lookup_lock.
1098 *
1099 * This will search for a scmd pointer in the scsi_lookup array,
1100 * returning the revelent smid. A returned value of zero means invalid.
1101 */
1102static u16
1103_scsih_scsi_lookup_find_by_scmd(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd
1104 *scmd)
1105{
1106 u16 smid;
1107 unsigned long flags;
1108 int i;
1109
1110 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1111 smid = 0;
1112 for (i = 0; i < ioc->scsiio_depth; i++) {
1113 if (ioc->scsi_lookup[i].scmd == scmd) {
1114 smid = ioc->scsi_lookup[i].smid;
1115 goto out;
1116 }
1117 }
1118 out:
1119 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1120 return smid;
1121}
1122
1123/**
1124 * _scsih_scsi_lookup_find_by_target - search for matching channel:id
1125 * @ioc: per adapter object
1126 * @id: target id
1127 * @channel: channel
1128 * Context: This function will acquire ioc->scsi_lookup_lock.
1129 *
1130 * This will search for a matching channel:id in the scsi_lookup array,
1131 * returning 1 if found.
1132 */
1133static u8
1134_scsih_scsi_lookup_find_by_target(struct MPT3SAS_ADAPTER *ioc, int id,
1135 int channel)
1136{
1137 u8 found;
1138 unsigned long flags;
1139 int i;
1140
1141 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1142 found = 0;
1143 for (i = 0 ; i < ioc->scsiio_depth; i++) {
1144 if (ioc->scsi_lookup[i].scmd &&
1145 (ioc->scsi_lookup[i].scmd->device->id == id &&
1146 ioc->scsi_lookup[i].scmd->device->channel == channel)) {
1147 found = 1;
1148 goto out;
1149 }
1150 }
1151 out:
1152 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1153 return found;
1154}
1155
1156/**
1157 * _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun
1158 * @ioc: per adapter object
1159 * @id: target id
1160 * @lun: lun number
1161 * @channel: channel
1162 * Context: This function will acquire ioc->scsi_lookup_lock.
1163 *
1164 * This will search for a matching channel:id:lun in the scsi_lookup array,
1165 * returning 1 if found.
1166 */
1167static u8
1168_scsih_scsi_lookup_find_by_lun(struct MPT3SAS_ADAPTER *ioc, int id,
1169 unsigned int lun, int channel)
1170{
1171 u8 found;
1172 unsigned long flags;
1173 int i;
1174
1175 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1176 found = 0;
1177 for (i = 0 ; i < ioc->scsiio_depth; i++) {
1178 if (ioc->scsi_lookup[i].scmd &&
1179 (ioc->scsi_lookup[i].scmd->device->id == id &&
1180 ioc->scsi_lookup[i].scmd->device->channel == channel &&
1181 ioc->scsi_lookup[i].scmd->device->lun == lun)) {
1182 found = 1;
1183 goto out;
1184 }
1185 }
1186 out:
1187 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1188 return found;
1189}
1190
cf75d5d6 1191/**
8a7e4c24 1192 * scsih_change_queue_depth - setting device queue depth
cf75d5d6
CH		 1193 * @sdev: scsi device struct
1194 * @qdepth: requested queue depth
1195 *
1196 * Returns queue depth.
1197 */
8a7e4c24
SR		 1198int
1199scsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
f92363d1
SR		 1200{
1201 struct Scsi_Host *shost = sdev->host;
1202 int max_depth;
1203 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
1204 struct MPT3SAS_DEVICE *sas_device_priv_data;
1205 struct MPT3SAS_TARGET *sas_target_priv_data;
1206 struct _sas_device *sas_device;
1207 unsigned long flags;
1208
1209 max_depth = shost->can_queue;
1210
1211 /* limit max device queue for SATA to 32 */
1212 sas_device_priv_data = sdev->hostdata;
1213 if (!sas_device_priv_data)
1214 goto not_sata;
1215 sas_target_priv_data = sas_device_priv_data->sas_target;
1216 if (!sas_target_priv_data)
1217 goto not_sata;
1218 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))
1219 goto not_sata;
d1cb5e49 1220
f92363d1 1221 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49
SR		 1222 sas_device = __mpt3sas_get_sdev_from_target(ioc, sas_target_priv_data);
1223 if (sas_device) {
1224 if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
1225 max_depth = MPT3SAS_SATA_QUEUE_DEPTH;
1226
1227 sas_device_put(sas_device);
1228 }
f92363d1
SR		 1229 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1230
1231 not_sata:
1232
1233 if (!sdev->tagged_supported)
1234 max_depth = 1;
1235 if (qdepth > max_depth)
1236 qdepth = max_depth;
cf75d5d6 1237 return scsi_change_queue_depth(sdev, qdepth);
f92363d1
SR		 1238}
1239
f92363d1 1240/**
8a7e4c24 1241 * scsih_target_alloc - target add routine
f92363d1
SR		 1242 * @starget: scsi target struct
1243 *
1244 * Returns 0 if ok. Any other return is assumed to be an error and
1245 * the device is ignored.
1246 */
8a7e4c24
SR		 1247int
1248scsih_target_alloc(struct scsi_target *starget)
f92363d1
SR		 1249{
1250 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
1251 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
1252 struct MPT3SAS_TARGET *sas_target_priv_data;
1253 struct _sas_device *sas_device;
1254 struct _raid_device *raid_device;
1255 unsigned long flags;
1256 struct sas_rphy *rphy;
1257
62c4da44
JL		 1258 sas_target_priv_data = kzalloc(sizeof(*sas_target_priv_data),
1259 GFP_KERNEL);
f92363d1
SR		 1260 if (!sas_target_priv_data)
1261 return -ENOMEM;
1262
1263 starget->hostdata = sas_target_priv_data;
1264 sas_target_priv_data->starget = starget;
1265 sas_target_priv_data->handle = MPT3SAS_INVALID_DEVICE_HANDLE;
1266
1267 /* RAID volumes */
1268 if (starget->channel == RAID_CHANNEL) {
1269 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1270 raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
1271 starget->channel);
1272 if (raid_device) {
1273 sas_target_priv_data->handle = raid_device->handle;
1274 sas_target_priv_data->sas_address = raid_device->wwid;
1275 sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME;
7786ab6a
SR		 1276 sas_target_priv_data->raid_device = raid_device;
1277 if (ioc->is_warpdrive)
1278 raid_device->starget = starget;
f92363d1
SR		 1279 }
1280 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1281 return 0;
1282 }
1283
1284 /* sas/sata devices */
1285 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1286 rphy = dev_to_rphy(starget->dev.parent);
d1cb5e49 1287 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
f92363d1
SR		 1288 rphy->identify.sas_address);
1289
1290 if (sas_device) {
1291 sas_target_priv_data->handle = sas_device->handle;
1292 sas_target_priv_data->sas_address = sas_device->sas_address;
d1cb5e49 1293 sas_target_priv_data->sdev = sas_device;
f92363d1
SR		 1294 sas_device->starget = starget;
1295 sas_device->id = starget->id;
1296 sas_device->channel = starget->channel;
1297 if (test_bit(sas_device->handle, ioc->pd_handles))
1298 sas_target_priv_data->flags |=
1299 MPT_TARGET_FLAGS_RAID_COMPONENT;
1300 if (sas_device->fast_path)
1301 sas_target_priv_data->flags |= MPT_TARGET_FASTPATH_IO;
1302 }
1303 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1304
1305 return 0;
1306}
1307
1308/**
8a7e4c24 1309 * scsih_target_destroy - target destroy routine
f92363d1
SR		 1310 * @starget: scsi target struct
1311 *
1312 * Returns nothing.
1313 */
8a7e4c24
SR		 1314void
1315scsih_target_destroy(struct scsi_target *starget)
f92363d1
SR		 1316{
1317 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
1318 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
1319 struct MPT3SAS_TARGET *sas_target_priv_data;
1320 struct _sas_device *sas_device;
1321 struct _raid_device *raid_device;
1322 unsigned long flags;
1323 struct sas_rphy *rphy;
1324
1325 sas_target_priv_data = starget->hostdata;
1326 if (!sas_target_priv_data)
1327 return;
1328
1329 if (starget->channel == RAID_CHANNEL) {
1330 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1331 raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
1332 starget->channel);
1333 if (raid_device) {
1334 raid_device->starget = NULL;
1335 raid_device->sdev = NULL;
1336 }
1337 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1338 goto out;
1339 }
1340
1341 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1342 rphy = dev_to_rphy(starget->dev.parent);
d1cb5e49 1343 sas_device = __mpt3sas_get_sdev_from_target(ioc, sas_target_priv_data);
f92363d1
SR		 1344 if (sas_device && (sas_device->starget == starget) &&
1345 (sas_device->id == starget->id) &&
1346 (sas_device->channel == starget->channel))
1347 sas_device->starget = NULL;
1348
d1cb5e49
SR		 1349 if (sas_device) {
1350 /*
1351 * Corresponding get() is in _scsih_target_alloc()
1352 */
1353 sas_target_priv_data->sdev = NULL;
1354 sas_device_put(sas_device);
1355
1356 sas_device_put(sas_device);
1357 }
f92363d1
SR		 1358 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1359
1360 out:
1361 kfree(sas_target_priv_data);
1362 starget->hostdata = NULL;
1363}
1364
1365/**
8a7e4c24 1366 * scsih_slave_alloc - device add routine
f92363d1
SR		 1367 * @sdev: scsi device struct
1368 *
1369 * Returns 0 if ok. Any other return is assumed to be an error and
1370 * the device is ignored.
1371 */
8a7e4c24
SR		 1372int
1373scsih_slave_alloc(struct scsi_device *sdev)
f92363d1
SR		 1374{
1375 struct Scsi_Host *shost;
1376 struct MPT3SAS_ADAPTER *ioc;
1377 struct MPT3SAS_TARGET *sas_target_priv_data;
1378 struct MPT3SAS_DEVICE *sas_device_priv_data;
1379 struct scsi_target *starget;
1380 struct _raid_device *raid_device;
b65cfedf 1381 struct _sas_device *sas_device;
f92363d1
SR		 1382 unsigned long flags;
1383
62c4da44
JL		 1384 sas_device_priv_data = kzalloc(sizeof(*sas_device_priv_data),
1385 GFP_KERNEL);
f92363d1
SR		 1386 if (!sas_device_priv_data)
1387 return -ENOMEM;
1388
1389 sas_device_priv_data->lun = sdev->lun;
1390 sas_device_priv_data->flags = MPT_DEVICE_FLAGS_INIT;
1391
1392 starget = scsi_target(sdev);
1393 sas_target_priv_data = starget->hostdata;
1394 sas_target_priv_data->num_luns++;
1395 sas_device_priv_data->sas_target = sas_target_priv_data;
1396 sdev->hostdata = sas_device_priv_data;
1397 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT))
1398 sdev->no_uld_attach = 1;
1399
1400 shost = dev_to_shost(&starget->dev);
1401 ioc = shost_priv(shost);
1402 if (starget->channel == RAID_CHANNEL) {
1403 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1404 raid_device = _scsih_raid_device_find_by_id(ioc,
1405 starget->id, starget->channel);
1406 if (raid_device)
1407 raid_device->sdev = sdev; /* raid is single lun */
1408 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1409 }
1410
b65cfedf
SR		 1411 if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) {
1412 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 1413 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
b65cfedf
SR		 1414 sas_target_priv_data->sas_address);
1415 if (sas_device && (sas_device->starget == NULL)) {
1416 sdev_printk(KERN_INFO, sdev,
1417 "%s : sas_device->starget set to starget @ %d\n",
d1cb5e49 1418 __func__, __LINE__);
b65cfedf
SR		 1419 sas_device->starget = starget;
1420 }
d1cb5e49
SR		 1421
1422 if (sas_device)
1423 sas_device_put(sas_device);
1424
b65cfedf
SR		 1425 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1426 }
1427
f92363d1
SR		 1428 return 0;
1429}
1430
1431/**
8a7e4c24 1432 * scsih_slave_destroy - device destroy routine
f92363d1
SR		 1433 * @sdev: scsi device struct
1434 *
1435 * Returns nothing.
1436 */
8a7e4c24
SR		 1437void
1438scsih_slave_destroy(struct scsi_device *sdev)
f92363d1
SR		 1439{
1440 struct MPT3SAS_TARGET *sas_target_priv_data;
1441 struct scsi_target *starget;
1442 struct Scsi_Host *shost;
1443 struct MPT3SAS_ADAPTER *ioc;
1444 struct _sas_device *sas_device;
1445 unsigned long flags;
1446
1447 if (!sdev->hostdata)
1448 return;
1449
1450 starget = scsi_target(sdev);
1451 sas_target_priv_data = starget->hostdata;
1452 sas_target_priv_data->num_luns--;
1453
1454 shost = dev_to_shost(&starget->dev);
1455 ioc = shost_priv(shost);
1456
1457 if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) {
1458 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49
SR		 1459 sas_device = __mpt3sas_get_sdev_from_target(ioc,
1460 sas_target_priv_data);
f92363d1
SR		 1461 if (sas_device && !sas_target_priv_data->num_luns)
1462 sas_device->starget = NULL;
d1cb5e49
SR		 1463
1464 if (sas_device)
1465 sas_device_put(sas_device);
f92363d1
SR		 1466 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1467 }
1468
1469 kfree(sdev->hostdata);
1470 sdev->hostdata = NULL;
1471}
1472
1473/**
1474 * _scsih_display_sata_capabilities - sata capabilities
1475 * @ioc: per adapter object
1476 * @handle: device handle
1477 * @sdev: scsi device struct
1478 */
1479static void
1480_scsih_display_sata_capabilities(struct MPT3SAS_ADAPTER *ioc,
1481 u16 handle, struct scsi_device *sdev)
1482{
1483 Mpi2ConfigReply_t mpi_reply;
1484 Mpi2SasDevicePage0_t sas_device_pg0;
1485 u32 ioc_status;
1486 u16 flags;
1487 u32 device_info;
1488
1489 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
1490 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
1491 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
1492 ioc->name, __FILE__, __LINE__, __func__);
1493 return;
1494 }
1495
1496 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
1497 MPI2_IOCSTATUS_MASK;
1498 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
1499 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
1500 ioc->name, __FILE__, __LINE__, __func__);
1501 return;
1502 }
1503
1504 flags = le16_to_cpu(sas_device_pg0.Flags);
1505 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
1506
1507 sdev_printk(KERN_INFO, sdev,
1508 "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), "
1509 "sw_preserve(%s)\n",
1510 (device_info & MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? "y" : "n",
1511 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED) ? "y" : "n",
1512 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY) ? "y" :
1513 "n",
1514 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED) ? "y" : "n",
1515 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED) ? "y" : "n",
1516 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE) ? "y" : "n");
1517}
1518
1519/*
1520 * raid transport support -
1521 * Enabled for SLES11 and newer, in older kernels the driver will panic when
1522 * unloading the driver followed by a load - I beleive that the subroutine
1523 * raid_class_release() is not cleaning up properly.
1524 */
1525
1526/**
8a7e4c24 1527 * scsih_is_raid - return boolean indicating device is raid volume
f92363d1
SR		 1528 * @dev the device struct object
1529 */
8a7e4c24
SR		 1530int
1531scsih_is_raid(struct device *dev)
f92363d1
SR		 1532{
1533 struct scsi_device *sdev = to_scsi_device(dev);
7786ab6a 1534 struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host);
f92363d1 1535
7786ab6a
SR		 1536 if (ioc->is_warpdrive)
1537 return 0;
f92363d1
SR		 1538 return (sdev->channel == RAID_CHANNEL) ? 1 : 0;
1539}
1540
1541/**
8a7e4c24 1542 * scsih_get_resync - get raid volume resync percent complete
f92363d1
SR		 1543 * @dev the device struct object
1544 */
8a7e4c24
SR		 1545void
1546scsih_get_resync(struct device *dev)
f92363d1
SR		 1547{
1548 struct scsi_device *sdev = to_scsi_device(dev);
1549 struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host);
1550 static struct _raid_device *raid_device;
1551 unsigned long flags;
1552 Mpi2RaidVolPage0_t vol_pg0;
1553 Mpi2ConfigReply_t mpi_reply;
1554 u32 volume_status_flags;
1555 u8 percent_complete;
1556 u16 handle;
1557
1558 percent_complete = 0;
1559 handle = 0;
7786ab6a
SR		 1560 if (ioc->is_warpdrive)
1561 goto out;
1562
f92363d1
SR		 1563 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1564 raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id,
1565 sdev->channel);
1566 if (raid_device) {
1567 handle = raid_device->handle;
1568 percent_complete = raid_device->percent_complete;
1569 }
1570 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1571
1572 if (!handle)
1573 goto out;
1574
1575 if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0,
1576 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
1577 sizeof(Mpi2RaidVolPage0_t))) {
1578 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
1579 ioc->name, __FILE__, __LINE__, __func__);
1580 percent_complete = 0;
1581 goto out;
1582 }
1583
1584 volume_status_flags = le32_to_cpu(vol_pg0.VolumeStatusFlags);
1585 if (!(volume_status_flags &
1586 MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS))
1587 percent_complete = 0;
1588
1589 out:
b130b0d5
SS		 1590
1591 switch (ioc->hba_mpi_version_belonged) {
1592 case MPI2_VERSION:
c84b06a4 1593 raid_set_resync(mpt2sas_raid_template, dev, percent_complete);
b130b0d5
SS		 1594 break;
1595 case MPI25_VERSION:
1596 case MPI26_VERSION:
c84b06a4 1597 raid_set_resync(mpt3sas_raid_template, dev, percent_complete);
b130b0d5
SS		 1598 break;
1599 }
f92363d1
SR		 1600}
1601
1602/**
8a7e4c24 1603 * scsih_get_state - get raid volume level
f92363d1
SR		 1604 * @dev the device struct object
1605 */
8a7e4c24
SR		 1606void
1607scsih_get_state(struct device *dev)
f92363d1
SR		 1608{
1609 struct scsi_device *sdev = to_scsi_device(dev);
1610 struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host);
1611 static struct _raid_device *raid_device;
1612 unsigned long flags;
1613 Mpi2RaidVolPage0_t vol_pg0;
1614 Mpi2ConfigReply_t mpi_reply;
1615 u32 volstate;
1616 enum raid_state state = RAID_STATE_UNKNOWN;
1617 u16 handle = 0;
1618
1619 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1620 raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id,
1621 sdev->channel);
1622 if (raid_device)
1623 handle = raid_device->handle;
1624 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1625
1626 if (!raid_device)
1627 goto out;
1628
1629 if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0,
1630 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
1631 sizeof(Mpi2RaidVolPage0_t))) {
1632 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
1633 ioc->name, __FILE__, __LINE__, __func__);
1634 goto out;
1635 }
1636
1637 volstate = le32_to_cpu(vol_pg0.VolumeStatusFlags);
1638 if (volstate & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) {
1639 state = RAID_STATE_RESYNCING;
1640 goto out;
1641 }
1642
1643 switch (vol_pg0.VolumeState) {
1644 case MPI2_RAID_VOL_STATE_OPTIMAL:
1645 case MPI2_RAID_VOL_STATE_ONLINE:
1646 state = RAID_STATE_ACTIVE;
1647 break;
1648 case MPI2_RAID_VOL_STATE_DEGRADED:
1649 state = RAID_STATE_DEGRADED;
1650 break;
1651 case MPI2_RAID_VOL_STATE_FAILED:
1652 case MPI2_RAID_VOL_STATE_MISSING:
1653 state = RAID_STATE_OFFLINE;
1654 break;
1655 }
1656 out:
b130b0d5
SS		 1657 switch (ioc->hba_mpi_version_belonged) {
1658 case MPI2_VERSION:
c84b06a4 1659 raid_set_state(mpt2sas_raid_template, dev, state);
b130b0d5
SS		 1660 break;
1661 case MPI25_VERSION:
1662 case MPI26_VERSION:
c84b06a4 1663 raid_set_state(mpt3sas_raid_template, dev, state);
b130b0d5
SS		 1664 break;
1665 }
f92363d1
SR		 1666}
1667
1668/**
1669 * _scsih_set_level - set raid level
1670 * @sdev: scsi device struct
1671 * @volume_type: volume type
1672 */
1673static void
c84b06a4
SR		 1674_scsih_set_level(struct MPT3SAS_ADAPTER *ioc,
1675 struct scsi_device *sdev, u8 volume_type)
f92363d1
SR		 1676{
1677 enum raid_level level = RAID_LEVEL_UNKNOWN;
1678
1679 switch (volume_type) {
1680 case MPI2_RAID_VOL_TYPE_RAID0:
1681 level = RAID_LEVEL_0;
1682 break;
1683 case MPI2_RAID_VOL_TYPE_RAID10:
1684 level = RAID_LEVEL_10;
1685 break;
1686 case MPI2_RAID_VOL_TYPE_RAID1E:
1687 level = RAID_LEVEL_1E;
1688 break;
1689 case MPI2_RAID_VOL_TYPE_RAID1:
1690 level = RAID_LEVEL_1;
1691 break;
1692 }
1693
b130b0d5
SS		 1694 switch (ioc->hba_mpi_version_belonged) {
1695 case MPI2_VERSION:
c84b06a4 1696 raid_set_level(mpt2sas_raid_template,
b130b0d5
SS		 1697 &sdev->sdev_gendev, level);
1698 break;
1699 case MPI25_VERSION:
1700 case MPI26_VERSION:
c84b06a4 1701 raid_set_level(mpt3sas_raid_template,
b130b0d5
SS		 1702 &sdev->sdev_gendev, level);
1703 break;
1704 }
f92363d1
SR		 1705}
1706
1707
1708/**
1709 * _scsih_get_volume_capabilities - volume capabilities
1710 * @ioc: per adapter object
1711 * @sas_device: the raid_device object
1712 *
1713 * Returns 0 for success, else 1
1714 */
1715static int
1716_scsih_get_volume_capabilities(struct MPT3SAS_ADAPTER *ioc,
1717 struct _raid_device *raid_device)
1718{
1719 Mpi2RaidVolPage0_t *vol_pg0;
1720 Mpi2RaidPhysDiskPage0_t pd_pg0;
1721 Mpi2SasDevicePage0_t sas_device_pg0;
1722 Mpi2ConfigReply_t mpi_reply;
1723 u16 sz;
1724 u8 num_pds;
1725
1726 if ((mpt3sas_config_get_number_pds(ioc, raid_device->handle,
1727 &num_pds)) || !num_pds) {
1728 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1729 "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
1730 __func__));
1731 return 1;
1732 }
1733
1734 raid_device->num_pds = num_pds;
1735 sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds *
1736 sizeof(Mpi2RaidVol0PhysDisk_t));
1737 vol_pg0 = kzalloc(sz, GFP_KERNEL);
1738 if (!vol_pg0) {
1739 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1740 "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
1741 __func__));
1742 return 1;
1743 }
1744
1745 if ((mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0,
1746 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) {
1747 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1748 "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
1749 __func__));
1750 kfree(vol_pg0);
1751 return 1;
1752 }
1753
1754 raid_device->volume_type = vol_pg0->VolumeType;
1755
1756 /* figure out what the underlying devices are by
1757 * obtaining the device_info bits for the 1st device
1758 */
1759 if (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
1760 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM,
1761 vol_pg0->PhysDisk[0].PhysDiskNum))) {
1762 if (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
1763 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
1764 le16_to_cpu(pd_pg0.DevHandle)))) {
1765 raid_device->device_info =
1766 le32_to_cpu(sas_device_pg0.DeviceInfo);
1767 }
1768 }
1769
1770 kfree(vol_pg0);
1771 return 0;
1772}
1773
f92363d1
SR		 1774/**
1775 * _scsih_enable_tlr - setting TLR flags
1776 * @ioc: per adapter object
1777 * @sdev: scsi device struct
1778 *
1779 * Enabling Transaction Layer Retries for tape devices when
1780 * vpd page 0x90 is present
1781 *
1782 */
1783static void
1784_scsih_enable_tlr(struct MPT3SAS_ADAPTER *ioc, struct scsi_device *sdev)
1785{
1786
1787 /* only for TAPE */
1788 if (sdev->type != TYPE_TAPE)
1789 return;
1790
1791 if (!(ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR))
1792 return;
1793
1794 sas_enable_tlr(sdev);
1795 sdev_printk(KERN_INFO, sdev, "TLR %s\n",
1796 sas_is_tlr_enabled(sdev) ? "Enabled" : "Disabled");
1797 return;
1798
1799}
1800
1801/**
8a7e4c24 1802 * scsih_slave_configure - device configure routine.
f92363d1
SR		 1803 * @sdev: scsi device struct
1804 *
1805 * Returns 0 if ok. Any other return is assumed to be an error and
1806 * the device is ignored.
1807 */
8a7e4c24
SR		 1808int
1809scsih_slave_configure(struct scsi_device *sdev)
f92363d1
SR		 1810{
1811 struct Scsi_Host *shost = sdev->host;
1812 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
1813 struct MPT3SAS_DEVICE *sas_device_priv_data;
1814 struct MPT3SAS_TARGET *sas_target_priv_data;
1815 struct _sas_device *sas_device;
1816 struct _raid_device *raid_device;
1817 unsigned long flags;
1818 int qdepth;
1819 u8 ssp_target = 0;
1820 char *ds = "";
1821 char *r_level = "";
1822 u16 handle, volume_handle = 0;
1823 u64 volume_wwid = 0;
1824
1825 qdepth = 1;
1826 sas_device_priv_data = sdev->hostdata;
1827 sas_device_priv_data->configured_lun = 1;
1828 sas_device_priv_data->flags &= ~MPT_DEVICE_FLAGS_INIT;
1829 sas_target_priv_data = sas_device_priv_data->sas_target;
1830 handle = sas_target_priv_data->handle;
1831
1832 /* raid volume handling */
1833 if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME) {
1834
1835 spin_lock_irqsave(&ioc->raid_device_lock, flags);
c84b06a4 1836 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
f92363d1
SR		 1837 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1838 if (!raid_device) {
1839 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1840 "failure at %s:%d/%s()!\n", ioc->name, __FILE__,
1841 __LINE__, __func__));
1842 return 1;
1843 }
1844
1845 if (_scsih_get_volume_capabilities(ioc, raid_device)) {
1846 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1847 "failure at %s:%d/%s()!\n", ioc->name, __FILE__,
1848 __LINE__, __func__));
1849 return 1;
1850 }
1851
7786ab6a
SR		 1852 /*
1853 * WARPDRIVE: Initialize the required data for Direct IO
1854 */
c84b06a4 1855 mpt3sas_init_warpdrive_properties(ioc, raid_device);
f92363d1
SR		 1856
1857 /* RAID Queue Depth Support
1858 * IS volume = underlying qdepth of drive type, either
1859 * MPT3SAS_SAS_QUEUE_DEPTH or MPT3SAS_SATA_QUEUE_DEPTH
1860 * IM/IME/R10 = 128 (MPT3SAS_RAID_QUEUE_DEPTH)
1861 */
1862 if (raid_device->device_info &
1863 MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
1864 qdepth = MPT3SAS_SAS_QUEUE_DEPTH;
1865 ds = "SSP";
1866 } else {
1867 qdepth = MPT3SAS_SATA_QUEUE_DEPTH;
1868 if (raid_device->device_info &
1869 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
1870 ds = "SATA";
1871 else
1872 ds = "STP";
1873 }
1874
1875 switch (raid_device->volume_type) {
1876 case MPI2_RAID_VOL_TYPE_RAID0:
1877 r_level = "RAID0";
1878 break;
1879 case MPI2_RAID_VOL_TYPE_RAID1E:
1880 qdepth = MPT3SAS_RAID_QUEUE_DEPTH;
1881 if (ioc->manu_pg10.OEMIdentifier &&
1882 (le32_to_cpu(ioc->manu_pg10.GenericFlags0) &
1883 MFG10_GF0_R10_DISPLAY) &&
1884 !(raid_device->num_pds % 2))
1885 r_level = "RAID10";
1886 else
1887 r_level = "RAID1E";
1888 break;
1889 case MPI2_RAID_VOL_TYPE_RAID1:
1890 qdepth = MPT3SAS_RAID_QUEUE_DEPTH;
1891 r_level = "RAID1";
1892 break;
1893 case MPI2_RAID_VOL_TYPE_RAID10:
1894 qdepth = MPT3SAS_RAID_QUEUE_DEPTH;
1895 r_level = "RAID10";
1896 break;
1897 case MPI2_RAID_VOL_TYPE_UNKNOWN:
1898 default:
1899 qdepth = MPT3SAS_RAID_QUEUE_DEPTH;
1900 r_level = "RAIDX";
1901 break;
1902 }
1903
7786ab6a
SR		 1904 if (!ioc->hide_ir_msg)
1905 sdev_printk(KERN_INFO, sdev,
1906 "%s: handle(0x%04x), wwid(0x%016llx),"
1907 " pd_count(%d), type(%s)\n",
1908 r_level, raid_device->handle,
1909 (unsigned long long)raid_device->wwid,
1910 raid_device->num_pds, ds);
f92363d1 1911
8a7e4c24 1912 scsih_change_queue_depth(sdev, qdepth);
f92363d1 1913
7786ab6a
SR		 1914 /* raid transport support */
1915 if (!ioc->is_warpdrive)
c84b06a4 1916 _scsih_set_level(ioc, sdev, raid_device->volume_type);
f92363d1
SR		 1917 return 0;
1918 }
1919
1920 /* non-raid handling */
1921 if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1922 if (mpt3sas_config_get_volume_handle(ioc, handle,
1923 &volume_handle)) {
1924 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1925 "failure at %s:%d/%s()!\n", ioc->name,
1926 __FILE__, __LINE__, __func__));
1927 return 1;
1928 }
1929 if (volume_handle && mpt3sas_config_get_volume_wwid(ioc,
1930 volume_handle, &volume_wwid)) {
1931 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1932 "failure at %s:%d/%s()!\n", ioc->name,
1933 __FILE__, __LINE__, __func__));
1934 return 1;
1935 }
1936 }
1937
1938 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 1939 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
f92363d1
SR		 1940 sas_device_priv_data->sas_target->sas_address);
1941 if (!sas_device) {
1942 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1943 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1944 "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
1945 __func__));
1946 return 1;
1947 }
1948
1949 sas_device->volume_handle = volume_handle;
1950 sas_device->volume_wwid = volume_wwid;
1951 if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
1952 qdepth = MPT3SAS_SAS_QUEUE_DEPTH;
1953 ssp_target = 1;
30158dc9
SS		 1954 if (sas_device->device_info &
1955 MPI2_SAS_DEVICE_INFO_SEP) {
1956 sdev_printk(KERN_WARNING, sdev,
1957 "set ignore_delay_remove for handle(0x%04x)\n",
1958 sas_device_priv_data->sas_target->handle);
1959 sas_device_priv_data->ignore_delay_remove = 1;
1960 ds = "SES";
1961 } else
1962 ds = "SSP";
f92363d1
SR		 1963 } else {
1964 qdepth = MPT3SAS_SATA_QUEUE_DEPTH;
1965 if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET)
1966 ds = "STP";
1967 else if (sas_device->device_info &
1968 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
1969 ds = "SATA";
1970 }
1971
1972 sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), " \
1973 "sas_addr(0x%016llx), phy(%d), device_name(0x%016llx)\n",
1974 ds, handle, (unsigned long long)sas_device->sas_address,
1975 sas_device->phy, (unsigned long long)sas_device->device_name);
e6d45e3e
SR		 1976 if (sas_device->enclosure_handle != 0)
1977 sdev_printk(KERN_INFO, sdev,
1978 "%s: enclosure_logical_id(0x%016llx), slot(%d)\n",
1979 ds, (unsigned long long)
1980 sas_device->enclosure_logical_id, sas_device->slot);
1981 if (sas_device->connector_name[0] != '\0')
1982 sdev_printk(KERN_INFO, sdev,
1983 "%s: enclosure level(0x%04x), connector name( %s)\n",
1984 ds, sas_device->enclosure_level,
1985 sas_device->connector_name);
f92363d1 1986
d1cb5e49 1987 sas_device_put(sas_device);
f92363d1
SR		 1988 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1989
1990 if (!ssp_target)
1991 _scsih_display_sata_capabilities(ioc, handle, sdev);
1992
1993
8a7e4c24 1994 scsih_change_queue_depth(sdev, qdepth);
f92363d1
SR		 1995
1996 if (ssp_target) {
1997 sas_read_port_mode_page(sdev);
1998 _scsih_enable_tlr(ioc, sdev);
1999 }
2000
2001 return 0;
2002}
2003
2004/**
8a7e4c24 2005 * scsih_bios_param - fetch head, sector, cylinder info for a disk
f92363d1
SR		 2006 * @sdev: scsi device struct
2007 * @bdev: pointer to block device context
2008 * @capacity: device size (in 512 byte sectors)
2009 * @params: three element array to place output:
2010 * params[0] number of heads (max 255)
2011 * params[1] number of sectors (max 63)
2012 * params[2] number of cylinders
2013 *
2014 * Return nothing.
2015 */
8a7e4c24
SR		 2016int
2017scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev,
f92363d1
SR		 2018 sector_t capacity, int params[])
2019{
2020 int heads;
2021 int sectors;
2022 sector_t cylinders;
2023 ulong dummy;
2024
2025 heads = 64;
2026 sectors = 32;
2027
2028 dummy = heads * sectors;
2029 cylinders = capacity;
2030 sector_div(cylinders, dummy);
2031
2032 /*
2033 * Handle extended translation size for logical drives
2034 * > 1Gb
2035 */
2036 if ((ulong)capacity >= 0x200000) {
2037 heads = 255;
2038 sectors = 63;
2039 dummy = heads * sectors;
2040 cylinders = capacity;
2041 sector_div(cylinders, dummy);
2042 }
2043
2044 /* return result */
2045 params[0] = heads;
2046 params[1] = sectors;
2047 params[2] = cylinders;
2048
2049 return 0;
2050}
2051
2052/**
2053 * _scsih_response_code - translation of device response code
2054 * @ioc: per adapter object
2055 * @response_code: response code returned by the device
2056 *
2057 * Return nothing.
2058 */
2059static void
2060_scsih_response_code(struct MPT3SAS_ADAPTER *ioc, u8 response_code)
2061{
2062 char *desc;
2063
2064 switch (response_code) {
2065 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE:
2066 desc = "task management request completed";
2067 break;
2068 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME:
2069 desc = "invalid frame";
2070 break;
2071 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2072 desc = "task management request not supported";
2073 break;
2074 case MPI2_SCSITASKMGMT_RSP_TM_FAILED:
2075 desc = "task management request failed";
2076 break;
2077 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2078 desc = "task management request succeeded";
2079 break;
2080 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2081 desc = "invalid lun";
2082 break;
2083 case 0xA:
2084 desc = "overlapped tag attempted";
2085 break;
2086 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2087 desc = "task queued, however not sent to target";
2088 break;
2089 default:
2090 desc = "unknown";
2091 break;
2092 }
2093 pr_warn(MPT3SAS_FMT "response_code(0x%01x): %s\n",
2094 ioc->name, response_code, desc);
2095}
2096
2097/**
2098 * _scsih_tm_done - tm completion routine
2099 * @ioc: per adapter object
2100 * @smid: system request message index
2101 * @msix_index: MSIX table index supplied by the OS
2102 * @reply: reply message frame(lower 32bit addr)
2103 * Context: none.
2104 *
2105 * The callback handler when using scsih_issue_tm.
2106 *
2107 * Return 1 meaning mf should be freed from _base_interrupt
2108 * 0 means the mf is freed from this function.
2109 */
2110static u8
2111_scsih_tm_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
2112{
2113 MPI2DefaultReply_t *mpi_reply;
2114
2115 if (ioc->tm_cmds.status == MPT3_CMD_NOT_USED)
2116 return 1;
2117 if (ioc->tm_cmds.smid != smid)
2118 return 1;
2119 mpt3sas_base_flush_reply_queues(ioc);
2120 ioc->tm_cmds.status |= MPT3_CMD_COMPLETE;
2121 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
2122 if (mpi_reply) {
2123 memcpy(ioc->tm_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
2124 ioc->tm_cmds.status |= MPT3_CMD_REPLY_VALID;
2125 }
2126 ioc->tm_cmds.status &= ~MPT3_CMD_PENDING;
2127 complete(&ioc->tm_cmds.done);
2128 return 1;
2129}
2130
2131/**
2132 * mpt3sas_scsih_set_tm_flag - set per target tm_busy
2133 * @ioc: per adapter object
2134 * @handle: device handle
2135 *
2136 * During taskmangement request, we need to freeze the device queue.
2137 */
2138void
2139mpt3sas_scsih_set_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle)
2140{
2141 struct MPT3SAS_DEVICE *sas_device_priv_data;
2142 struct scsi_device *sdev;
2143 u8 skip = 0;
2144
2145 shost_for_each_device(sdev, ioc->shost) {
2146 if (skip)
2147 continue;
2148 sas_device_priv_data = sdev->hostdata;
2149 if (!sas_device_priv_data)
2150 continue;
2151 if (sas_device_priv_data->sas_target->handle == handle) {
2152 sas_device_priv_data->sas_target->tm_busy = 1;
2153 skip = 1;
2154 ioc->ignore_loginfos = 1;
2155 }
2156 }
2157}
2158
2159/**
2160 * mpt3sas_scsih_clear_tm_flag - clear per target tm_busy
2161 * @ioc: per adapter object
2162 * @handle: device handle
2163 *
2164 * During taskmangement request, we need to freeze the device queue.
2165 */
2166void
2167mpt3sas_scsih_clear_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle)
2168{
2169 struct MPT3SAS_DEVICE *sas_device_priv_data;
2170 struct scsi_device *sdev;
2171 u8 skip = 0;
2172
2173 shost_for_each_device(sdev, ioc->shost) {
2174 if (skip)
2175 continue;
2176 sas_device_priv_data = sdev->hostdata;
2177 if (!sas_device_priv_data)
2178 continue;
2179 if (sas_device_priv_data->sas_target->handle == handle) {
2180 sas_device_priv_data->sas_target->tm_busy = 0;
2181 skip = 1;
2182 ioc->ignore_loginfos = 0;
2183 }
2184 }
2185}
2186
2187/**
2188 * mpt3sas_scsih_issue_tm - main routine for sending tm requests
2189 * @ioc: per adapter struct
2190 * @device_handle: device handle
2191 * @channel: the channel assigned by the OS
2192 * @id: the id assigned by the OS
2193 * @lun: lun number
2194 * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h)
2195 * @smid_task: smid assigned to the task
2196 * @timeout: timeout in seconds
f92363d1
SR		 2197 * @m_type: TM_MUTEX_ON or TM_MUTEX_OFF
2198 * Context: user
2199 *
2200 * A generic API for sending task management requests to firmware.
2201 *
2202 * The callback index is set inside `ioc->tm_cb_idx`.
2203 *
2204 * Return SUCCESS or FAILED.
2205 */
2206int
2207mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle, uint channel,
2208 uint id, uint lun, u8 type, u16 smid_task, ulong timeout,
c62e46de 2209 enum mutex_type m_type)
f92363d1
SR		 2210{
2211 Mpi2SCSITaskManagementRequest_t *mpi_request;
2212 Mpi2SCSITaskManagementReply_t *mpi_reply;
2213 u16 smid = 0;
2214 u32 ioc_state;
2215 unsigned long timeleft;
2216 struct scsiio_tracker *scsi_lookup = NULL;
2217 int rc;
03d1fb3a 2218 u16 msix_task = 0;
f92363d1
SR		 2219
2220 if (m_type == TM_MUTEX_ON)
2221 mutex_lock(&ioc->tm_cmds.mutex);
2222 if (ioc->tm_cmds.status != MPT3_CMD_NOT_USED) {
2223 pr_info(MPT3SAS_FMT "%s: tm_cmd busy!!!\n",
2224 __func__, ioc->name);
2225 rc = FAILED;
2226 goto err_out;
2227 }
2228
2229 if (ioc->shost_recovery || ioc->remove_host ||
2230 ioc->pci_error_recovery) {
2231 pr_info(MPT3SAS_FMT "%s: host reset in progress!\n",
2232 __func__, ioc->name);
2233 rc = FAILED;
2234 goto err_out;
2235 }
2236
2237 ioc_state = mpt3sas_base_get_iocstate(ioc, 0);
2238 if (ioc_state & MPI2_DOORBELL_USED) {
2239 dhsprintk(ioc, pr_info(MPT3SAS_FMT
2240 "unexpected doorbell active!\n", ioc->name));
2241 rc = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2242 FORCE_BIG_HAMMER);
2243 rc = (!rc) ? SUCCESS : FAILED;
2244 goto err_out;
2245 }
2246
2247 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
2248 mpt3sas_base_fault_info(ioc, ioc_state &
2249 MPI2_DOORBELL_DATA_MASK);
2250 rc = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2251 FORCE_BIG_HAMMER);
2252 rc = (!rc) ? SUCCESS : FAILED;
2253 goto err_out;
2254 }
2255
2256 smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx);
2257 if (!smid) {
2258 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
2259 ioc->name, __func__);
2260 rc = FAILED;
2261 goto err_out;
2262 }
2263
2264 if (type == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK)
2265 scsi_lookup = &ioc->scsi_lookup[smid_task - 1];
2266
2267 dtmprintk(ioc, pr_info(MPT3SAS_FMT
2268 "sending tm: handle(0x%04x), task_type(0x%02x), smid(%d)\n",
2269 ioc->name, handle, type, smid_task));
2270 ioc->tm_cmds.status = MPT3_CMD_PENDING;
2271 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
2272 ioc->tm_cmds.smid = smid;
2273 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
2274 memset(ioc->tm_cmds.reply, 0, sizeof(Mpi2SCSITaskManagementReply_t));
2275 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
2276 mpi_request->DevHandle = cpu_to_le16(handle);
2277 mpi_request->TaskType = type;
2278 mpi_request->TaskMID = cpu_to_le16(smid_task);
2279 int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN);
2280 mpt3sas_scsih_set_tm_flag(ioc, handle);
2281 init_completion(&ioc->tm_cmds.done);
03d1fb3a
SS		 2282 if ((type == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK) &&
2283 (scsi_lookup->msix_io < ioc->reply_queue_count))
2284 msix_task = scsi_lookup->msix_io;
2285 else
2286 msix_task = 0;
2287 mpt3sas_base_put_smid_hi_priority(ioc, smid, msix_task);
f92363d1
SR		 2288 timeleft = wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ);
2289 if (!(ioc->tm_cmds.status & MPT3_CMD_COMPLETE)) {
2290 pr_err(MPT3SAS_FMT "%s: timeout\n",
2291 ioc->name, __func__);
2292 _debug_dump_mf(mpi_request,
2293 sizeof(Mpi2SCSITaskManagementRequest_t)/4);
2294 if (!(ioc->tm_cmds.status & MPT3_CMD_RESET)) {
2295 rc = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2296 FORCE_BIG_HAMMER);
2297 rc = (!rc) ? SUCCESS : FAILED;
2298 ioc->tm_cmds.status = MPT3_CMD_NOT_USED;
2299 mpt3sas_scsih_clear_tm_flag(ioc, handle);
2300 goto err_out;
2301 }
2302 }
2303
2304 if (ioc->tm_cmds.status & MPT3_CMD_REPLY_VALID) {
2305 mpt3sas_trigger_master(ioc, MASTER_TRIGGER_TASK_MANAGMENT);
2306 mpi_reply = ioc->tm_cmds.reply;
2307 dtmprintk(ioc, pr_info(MPT3SAS_FMT "complete tm: " \
2308 "ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n",
2309 ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
2310 le32_to_cpu(mpi_reply->IOCLogInfo),
2311 le32_to_cpu(mpi_reply->TerminationCount)));
2312 if (ioc->logging_level & MPT_DEBUG_TM) {
2313 _scsih_response_code(ioc, mpi_reply->ResponseCode);
2314 if (mpi_reply->IOCStatus)
2315 _debug_dump_mf(mpi_request,
2316 sizeof(Mpi2SCSITaskManagementRequest_t)/4);
2317 }
2318 }
2319
2320 switch (type) {
2321 case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK:
2322 rc = SUCCESS;
2323 if (scsi_lookup->scmd == NULL)
2324 break;
2325 rc = FAILED;
2326 break;
2327
2328 case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET:
2329 if (_scsih_scsi_lookup_find_by_target(ioc, id, channel))
2330 rc = FAILED;
2331 else
2332 rc = SUCCESS;
2333 break;
2334 case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET:
2335 case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET:
2336 if (_scsih_scsi_lookup_find_by_lun(ioc, id, lun, channel))
2337 rc = FAILED;
2338 else
2339 rc = SUCCESS;
2340 break;
2341 case MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK:
2342 rc = SUCCESS;
2343 break;
2344 default:
2345 rc = FAILED;
2346 break;
2347 }
2348
2349 mpt3sas_scsih_clear_tm_flag(ioc, handle);
2350 ioc->tm_cmds.status = MPT3_CMD_NOT_USED;
2351 if (m_type == TM_MUTEX_ON)
2352 mutex_unlock(&ioc->tm_cmds.mutex);
2353
2354 return rc;
2355
2356 err_out:
2357 if (m_type == TM_MUTEX_ON)
2358 mutex_unlock(&ioc->tm_cmds.mutex);
2359 return rc;
2360}
2361
2362/**
2363 * _scsih_tm_display_info - displays info about the device
2364 * @ioc: per adapter struct
2365 * @scmd: pointer to scsi command object
2366 *
2367 * Called by task management callback handlers.
2368 */
2369static void
2370_scsih_tm_display_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd)
2371{
2372 struct scsi_target *starget = scmd->device->sdev_target;
2373 struct MPT3SAS_TARGET *priv_target = starget->hostdata;
2374 struct _sas_device *sas_device = NULL;
2375 unsigned long flags;
2376 char *device_str = NULL;
2377
2378 if (!priv_target)
2379 return;
7786ab6a
SR		 2380 if (ioc->hide_ir_msg)
2381 device_str = "WarpDrive";
2382 else
2383 device_str = "volume";
f92363d1
SR		 2384
2385 scsi_print_command(scmd);
2386 if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) {
2387 starget_printk(KERN_INFO, starget,
2388 "%s handle(0x%04x), %s wwid(0x%016llx)\n",
2389 device_str, priv_target->handle,
2390 device_str, (unsigned long long)priv_target->sas_address);
2391 } else {
2392 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 2393 sas_device = __mpt3sas_get_sdev_from_target(ioc, priv_target);
f92363d1
SR		 2394 if (sas_device) {
2395 if (priv_target->flags &
2396 MPT_TARGET_FLAGS_RAID_COMPONENT) {
2397 starget_printk(KERN_INFO, starget,
2398 "volume handle(0x%04x), "
2399 "volume wwid(0x%016llx)\n",
2400 sas_device->volume_handle,
2401 (unsigned long long)sas_device->volume_wwid);
2402 }
2403 starget_printk(KERN_INFO, starget,
2404 "handle(0x%04x), sas_address(0x%016llx), phy(%d)\n",
2405 sas_device->handle,
2406 (unsigned long long)sas_device->sas_address,
2407 sas_device->phy);
e6d45e3e
SR		 2408 if (sas_device->enclosure_handle != 0)
2409 starget_printk(KERN_INFO, starget,
2410 "enclosure_logical_id(0x%016llx), slot(%d)\n",
2411 (unsigned long long)
2412 sas_device->enclosure_logical_id,
2413 sas_device->slot);
869817f9 2414 if (sas_device->connector_name[0] != '\0')
e6d45e3e
SR		 2415 starget_printk(KERN_INFO, starget,
2416 "enclosure level(0x%04x),connector name(%s)\n",
2417 sas_device->enclosure_level,
2418 sas_device->connector_name);
d1cb5e49
SR		 2419
2420 sas_device_put(sas_device);
f92363d1
SR		 2421 }
2422 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2423 }
2424}
2425
2426/**
8a7e4c24 2427 * scsih_abort - eh threads main abort routine
f92363d1
SR		 2428 * @scmd: pointer to scsi command object
2429 *
2430 * Returns SUCCESS if command aborted else FAILED
2431 */
8a7e4c24
SR		 2432int
2433scsih_abort(struct scsi_cmnd *scmd)
f92363d1
SR		 2434{
2435 struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2436 struct MPT3SAS_DEVICE *sas_device_priv_data;
2437 u16 smid;
2438 u16 handle;
2439 int r;
2440
2441 sdev_printk(KERN_INFO, scmd->device,
2442 "attempting task abort! scmd(%p)\n", scmd);
2443 _scsih_tm_display_info(ioc, scmd);
2444
2445 sas_device_priv_data = scmd->device->hostdata;
2446 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
2447 sdev_printk(KERN_INFO, scmd->device,
2448 "device been deleted! scmd(%p)\n", scmd);
2449 scmd->result = DID_NO_CONNECT << 16;
2450 scmd->scsi_done(scmd);
2451 r = SUCCESS;
2452 goto out;
2453 }
2454
2455 /* search for the command */
2456 smid = _scsih_scsi_lookup_find_by_scmd(ioc, scmd);
2457 if (!smid) {
2458 scmd->result = DID_RESET << 16;
2459 r = SUCCESS;
2460 goto out;
2461 }
2462
2463 /* for hidden raid components and volumes this is not supported */
2464 if (sas_device_priv_data->sas_target->flags &
2465 MPT_TARGET_FLAGS_RAID_COMPONENT ||
2466 sas_device_priv_data->sas_target->flags & MPT_TARGET_FLAGS_VOLUME) {
2467 scmd->result = DID_RESET << 16;
2468 r = FAILED;
2469 goto out;
2470 }
2471
2472 mpt3sas_halt_firmware(ioc);
2473
2474 handle = sas_device_priv_data->sas_target->handle;
2475 r = mpt3sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
2476 scmd->device->id, scmd->device->lun,
c62e46de 2477 MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30, TM_MUTEX_ON);
f92363d1
SR		 2478
2479 out:
2480 sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(%p)\n",
2481 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2482 return r;
2483}
2484
2485/**
8a7e4c24 2486 * scsih_dev_reset - eh threads main device reset routine
f92363d1
SR		 2487 * @scmd: pointer to scsi command object
2488 *
2489 * Returns SUCCESS if command aborted else FAILED
2490 */
8a7e4c24
SR		 2491int
2492scsih_dev_reset(struct scsi_cmnd *scmd)
f92363d1
SR		 2493{
2494 struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2495 struct MPT3SAS_DEVICE *sas_device_priv_data;
d1cb5e49 2496 struct _sas_device *sas_device = NULL;
f92363d1
SR		 2497 u16 handle;
2498 int r;
2499
d1cb5e49
SR		 2500 struct scsi_target *starget = scmd->device->sdev_target;
2501 struct MPT3SAS_TARGET *target_priv_data = starget->hostdata;
2502
f92363d1
SR		 2503 sdev_printk(KERN_INFO, scmd->device,
2504 "attempting device reset! scmd(%p)\n", scmd);
2505 _scsih_tm_display_info(ioc, scmd);
2506
2507 sas_device_priv_data = scmd->device->hostdata;
2508 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
2509 sdev_printk(KERN_INFO, scmd->device,
2510 "device been deleted! scmd(%p)\n", scmd);
2511 scmd->result = DID_NO_CONNECT << 16;
2512 scmd->scsi_done(scmd);
2513 r = SUCCESS;
2514 goto out;
2515 }
2516
2517 /* for hidden raid components obtain the volume_handle */
2518 handle = 0;
2519 if (sas_device_priv_data->sas_target->flags &
2520 MPT_TARGET_FLAGS_RAID_COMPONENT) {
d1cb5e49
SR		 2521 sas_device = mpt3sas_get_sdev_from_target(ioc,
2522 target_priv_data);
f92363d1
SR		 2523 if (sas_device)
2524 handle = sas_device->volume_handle;
f92363d1
SR		 2525 } else
2526 handle = sas_device_priv_data->sas_target->handle;
2527
2528 if (!handle) {
2529 scmd->result = DID_RESET << 16;
2530 r = FAILED;
2531 goto out;
2532 }
2533
2534 r = mpt3sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
2535 scmd->device->id, scmd->device->lun,
c62e46de 2536 MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 0, 30, TM_MUTEX_ON);
f92363d1
SR		 2537
2538 out:
2539 sdev_printk(KERN_INFO, scmd->device, "device reset: %s scmd(%p)\n",
2540 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
d1cb5e49
SR		 2541
2542 if (sas_device)
2543 sas_device_put(sas_device);
2544
f92363d1
SR		 2545 return r;
2546}
2547
2548/**
8a7e4c24 2549 * scsih_target_reset - eh threads main target reset routine
f92363d1
SR		 2550 * @scmd: pointer to scsi command object
2551 *
2552 * Returns SUCCESS if command aborted else FAILED
2553 */
8a7e4c24
SR		 2554int
2555scsih_target_reset(struct scsi_cmnd *scmd)
f92363d1
SR		 2556{
2557 struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2558 struct MPT3SAS_DEVICE *sas_device_priv_data;
d1cb5e49 2559 struct _sas_device *sas_device = NULL;
f92363d1
SR		 2560 u16 handle;
2561 int r;
2562 struct scsi_target *starget = scmd->device->sdev_target;
d1cb5e49 2563 struct MPT3SAS_TARGET *target_priv_data = starget->hostdata;
f92363d1
SR		 2564
2565 starget_printk(KERN_INFO, starget, "attempting target reset! scmd(%p)\n",
2566 scmd);
2567 _scsih_tm_display_info(ioc, scmd);
2568
2569 sas_device_priv_data = scmd->device->hostdata;
2570 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
2571 starget_printk(KERN_INFO, starget, "target been deleted! scmd(%p)\n",
2572 scmd);
2573 scmd->result = DID_NO_CONNECT << 16;
2574 scmd->scsi_done(scmd);
2575 r = SUCCESS;
2576 goto out;
2577 }
2578
2579 /* for hidden raid components obtain the volume_handle */
2580 handle = 0;
2581 if (sas_device_priv_data->sas_target->flags &
2582 MPT_TARGET_FLAGS_RAID_COMPONENT) {
d1cb5e49
SR		 2583 sas_device = mpt3sas_get_sdev_from_target(ioc,
2584 target_priv_data);
f92363d1
SR		 2585 if (sas_device)
2586 handle = sas_device->volume_handle;
f92363d1
SR		 2587 } else
2588 handle = sas_device_priv_data->sas_target->handle;
2589
2590 if (!handle) {
2591 scmd->result = DID_RESET << 16;
2592 r = FAILED;
2593 goto out;
2594 }
2595
2596 r = mpt3sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
2597 scmd->device->id, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0,
c62e46de 2598 30, TM_MUTEX_ON);
f92363d1
SR		 2599
2600 out:
2601 starget_printk(KERN_INFO, starget, "target reset: %s scmd(%p)\n",
2602 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
d1cb5e49
SR		 2603
2604 if (sas_device)
2605 sas_device_put(sas_device);
2606
f92363d1
SR		 2607 return r;
2608}
2609
2610
2611/**
8a7e4c24 2612 * scsih_host_reset - eh threads main host reset routine
f92363d1
SR		 2613 * @scmd: pointer to scsi command object
2614 *
2615 * Returns SUCCESS if command aborted else FAILED
2616 */
8a7e4c24
SR		 2617int
2618scsih_host_reset(struct scsi_cmnd *scmd)
f92363d1
SR		 2619{
2620 struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2621 int r, retval;
2622
2623 pr_info(MPT3SAS_FMT "attempting host reset! scmd(%p)\n",
2624 ioc->name, scmd);
2625 scsi_print_command(scmd);
2626
ddb588be
SR		 2627 if (ioc->is_driver_loading) {
2628 pr_info(MPT3SAS_FMT "Blocking the host reset\n",
2629 ioc->name);
2630 r = FAILED;
2631 goto out;
2632 }
2633
f92363d1
SR		 2634 retval = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2635 FORCE_BIG_HAMMER);
2636 r = (retval < 0) ? FAILED : SUCCESS;
ddb588be 2637out:
f92363d1
SR		 2638 pr_info(MPT3SAS_FMT "host reset: %s scmd(%p)\n",
2639 ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2640
2641 return r;
2642}
2643
2644/**
2645 * _scsih_fw_event_add - insert and queue up fw_event
2646 * @ioc: per adapter object
2647 * @fw_event: object describing the event
2648 * Context: This function will acquire ioc->fw_event_lock.
2649 *
2650 * This adds the firmware event object into link list, then queues it up to
2651 * be processed from user context.
2652 *
2653 * Return nothing.
2654 */
2655static void
2656_scsih_fw_event_add(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
2657{
2658 unsigned long flags;
2659
2660 if (ioc->firmware_event_thread == NULL)
2661 return;
2662
2663 spin_lock_irqsave(&ioc->fw_event_lock, flags);
146b16c8 2664 fw_event_work_get(fw_event);
f92363d1
SR		 2665 INIT_LIST_HEAD(&fw_event->list);
2666 list_add_tail(&fw_event->list, &ioc->fw_event_list);
2667 INIT_WORK(&fw_event->work, _firmware_event_work);
146b16c8 2668 fw_event_work_get(fw_event);
f92363d1
SR		 2669 queue_work(ioc->firmware_event_thread, &fw_event->work);
2670 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2671}
2672
2673/**
146b16c8 2674 * _scsih_fw_event_del_from_list - delete fw_event from the list
f92363d1
SR		 2675 * @ioc: per adapter object
2676 * @fw_event: object describing the event
2677 * Context: This function will acquire ioc->fw_event_lock.
2678 *
146b16c8 2679 * If the fw_event is on the fw_event_list, remove it and do a put.
f92363d1
SR		 2680 *
2681 * Return nothing.
2682 */
2683static void
146b16c8 2684_scsih_fw_event_del_from_list(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work
f92363d1
SR		 2685 *fw_event)
2686{
2687 unsigned long flags;
2688
2689 spin_lock_irqsave(&ioc->fw_event_lock, flags);
146b16c8
SR		 2690 if (!list_empty(&fw_event->list)) {
2691 list_del_init(&fw_event->list);
2692 fw_event_work_put(fw_event);
2693 }
f92363d1
SR		 2694 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2695}
2696
2697
2698 /**
2699 * mpt3sas_send_trigger_data_event - send event for processing trigger data
2700 * @ioc: per adapter object
2701 * @event_data: trigger event data
2702 *
2703 * Return nothing.
2704 */
2705void
2706mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER *ioc,
2707 struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data)
2708{
2709 struct fw_event_work *fw_event;
146b16c8 2710 u16 sz;
f92363d1
SR		 2711
2712 if (ioc->is_driver_loading)
2713 return;
146b16c8
SR		 2714 sz = sizeof(*event_data);
2715 fw_event = alloc_fw_event_work(sz);
f92363d1
SR		 2716 if (!fw_event)
2717 return;
f92363d1
SR		 2718 fw_event->event = MPT3SAS_PROCESS_TRIGGER_DIAG;
2719 fw_event->ioc = ioc;
2720 memcpy(fw_event->event_data, event_data, sizeof(*event_data));
2721 _scsih_fw_event_add(ioc, fw_event);
146b16c8 2722 fw_event_work_put(fw_event);
f92363d1
SR		 2723}
2724
2725/**
2726 * _scsih_error_recovery_delete_devices - remove devices not responding
2727 * @ioc: per adapter object
2728 *
2729 * Return nothing.
2730 */
2731static void
2732_scsih_error_recovery_delete_devices(struct MPT3SAS_ADAPTER *ioc)
2733{
2734 struct fw_event_work *fw_event;
2735
2736 if (ioc->is_driver_loading)
2737 return;
146b16c8 2738 fw_event = alloc_fw_event_work(0);
f92363d1
SR		 2739 if (!fw_event)
2740 return;
2741 fw_event->event = MPT3SAS_REMOVE_UNRESPONDING_DEVICES;
2742 fw_event->ioc = ioc;
2743 _scsih_fw_event_add(ioc, fw_event);
146b16c8 2744 fw_event_work_put(fw_event);
f92363d1
SR		 2745}
2746
2747/**
2748 * mpt3sas_port_enable_complete - port enable completed (fake event)
2749 * @ioc: per adapter object
2750 *
2751 * Return nothing.
2752 */
2753void
2754mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc)
2755{
2756 struct fw_event_work *fw_event;
2757
146b16c8 2758 fw_event = alloc_fw_event_work(0);
f92363d1
SR		 2759 if (!fw_event)
2760 return;
2761 fw_event->event = MPT3SAS_PORT_ENABLE_COMPLETE;
2762 fw_event->ioc = ioc;
2763 _scsih_fw_event_add(ioc, fw_event);
146b16c8
SR		 2764 fw_event_work_put(fw_event);
2765}
2766
2767static struct fw_event_work *dequeue_next_fw_event(struct MPT3SAS_ADAPTER *ioc)
2768{
2769 unsigned long flags;
2770 struct fw_event_work *fw_event = NULL;
2771
2772 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2773 if (!list_empty(&ioc->fw_event_list)) {
2774 fw_event = list_first_entry(&ioc->fw_event_list,
2775 struct fw_event_work, list);
2776 list_del_init(&fw_event->list);
2777 }
2778 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2779
2780 return fw_event;
f92363d1
SR		 2781}
2782
2783/**
2784 * _scsih_fw_event_cleanup_queue - cleanup event queue
2785 * @ioc: per adapter object
2786 *
2787 * Walk the firmware event queue, either killing timers, or waiting
2788 * for outstanding events to complete
2789 *
2790 * Return nothing.
2791 */
2792static void
2793_scsih_fw_event_cleanup_queue(struct MPT3SAS_ADAPTER *ioc)
2794{
146b16c8 2795 struct fw_event_work *fw_event;
f92363d1
SR		 2796
2797 if (list_empty(&ioc->fw_event_list) ||
2798 !ioc->firmware_event_thread || in_interrupt())
2799 return;
2800
146b16c8
SR		 2801 while ((fw_event = dequeue_next_fw_event(ioc))) {
2802 /*
2803 * Wait on the fw_event to complete. If this returns 1, then
2804 * the event was never executed, and we need a put for the
b8ac0cc7 2805 * reference the work had on the fw_event.
146b16c8
SR		 2806 *
2807 * If it did execute, we wait for it to finish, and the put will
2808 * happen from _firmware_event_work()
2809 */
b8ac0cc7 2810 if (cancel_work_sync(&fw_event->work))
146b16c8
SR		 2811 fw_event_work_put(fw_event);
2812
2813 fw_event_work_put(fw_event);
f92363d1
SR		 2814 }
2815}
2816
df838f92
SR		 2817/**
2818 * _scsih_internal_device_block - block the sdev device
2819 * @sdev: per device object
2820 * @sas_device_priv_data : per device driver private data
2821 *
2822 * make sure device is blocked without error, if not
2823 * print an error
2824 */
2825static void
2826_scsih_internal_device_block(struct scsi_device *sdev,
2827 struct MPT3SAS_DEVICE *sas_device_priv_data)
2828{
2829 int r = 0;
2830
2831 sdev_printk(KERN_INFO, sdev, "device_block, handle(0x%04x)\n",
2832 sas_device_priv_data->sas_target->handle);
2833 sas_device_priv_data->block = 1;
2834
2835 r = scsi_internal_device_block(sdev);
2836 if (r == -EINVAL)
2837 sdev_printk(KERN_WARNING, sdev,
2838 "device_block failed with return(%d) for handle(0x%04x)\n",
2839 sas_device_priv_data->sas_target->handle, r);
2840}
2841
2842/**
2843 * _scsih_internal_device_unblock - unblock the sdev device
2844 * @sdev: per device object
2845 * @sas_device_priv_data : per device driver private data
2846 * make sure device is unblocked without error, if not retry
2847 * by blocking and then unblocking
2848 */
2849
2850static void
2851_scsih_internal_device_unblock(struct scsi_device *sdev,
2852 struct MPT3SAS_DEVICE *sas_device_priv_data)
2853{
2854 int r = 0;
2855
2856 sdev_printk(KERN_WARNING, sdev, "device_unblock and setting to running, "
2857 "handle(0x%04x)\n", sas_device_priv_data->sas_target->handle);
2858 sas_device_priv_data->block = 0;
2859 r = scsi_internal_device_unblock(sdev, SDEV_RUNNING);
2860 if (r == -EINVAL) {
2861 /* The device has been set to SDEV_RUNNING by SD layer during
2862 * device addition but the request queue is still stopped by
2863 * our earlier block call. We need to perform a block again
2864 * to get the device to SDEV_BLOCK and then to SDEV_RUNNING */
2865
2866 sdev_printk(KERN_WARNING, sdev,
2867 "device_unblock failed with return(%d) for handle(0x%04x) "
2868 "performing a block followed by an unblock\n",
2869 sas_device_priv_data->sas_target->handle, r);
2870 sas_device_priv_data->block = 1;
2871 r = scsi_internal_device_block(sdev);
2872 if (r)
2873 sdev_printk(KERN_WARNING, sdev, "retried device_block "
2874 "failed with return(%d) for handle(0x%04x)\n",
2875 sas_device_priv_data->sas_target->handle, r);
2876
2877 sas_device_priv_data->block = 0;
2878 r = scsi_internal_device_unblock(sdev, SDEV_RUNNING);
2879 if (r)
2880 sdev_printk(KERN_WARNING, sdev, "retried device_unblock"
2881 " failed with return(%d) for handle(0x%04x)\n",
2882 sas_device_priv_data->sas_target->handle, r);
2883 }
2884}
2885
f92363d1
SR		 2886/**
2887 * _scsih_ublock_io_all_device - unblock every device
2888 * @ioc: per adapter object
2889 *
2890 * change the device state from block to running
2891 */
2892static void
2893_scsih_ublock_io_all_device(struct MPT3SAS_ADAPTER *ioc)
2894{
2895 struct MPT3SAS_DEVICE *sas_device_priv_data;
2896 struct scsi_device *sdev;
2897
2898 shost_for_each_device(sdev, ioc->shost) {
2899 sas_device_priv_data = sdev->hostdata;
2900 if (!sas_device_priv_data)
2901 continue;
2902 if (!sas_device_priv_data->block)
2903 continue;
2904
f92363d1
SR		 2905 dewtprintk(ioc, sdev_printk(KERN_INFO, sdev,
2906 "device_running, handle(0x%04x)\n",
2907 sas_device_priv_data->sas_target->handle));
df838f92 2908 _scsih_internal_device_unblock(sdev, sas_device_priv_data);
f92363d1
SR		 2909 }
2910}
2911
2912
2913/**
2914 * _scsih_ublock_io_device - prepare device to be deleted
2915 * @ioc: per adapter object
2916 * @sas_addr: sas address
2917 *
2918 * unblock then put device in offline state
2919 */
2920static void
2921_scsih_ublock_io_device(struct MPT3SAS_ADAPTER *ioc, u64 sas_address)
2922{
2923 struct MPT3SAS_DEVICE *sas_device_priv_data;
2924 struct scsi_device *sdev;
2925
2926 shost_for_each_device(sdev, ioc->shost) {
2927 sas_device_priv_data = sdev->hostdata;
2928 if (!sas_device_priv_data)
2929 continue;
2930 if (sas_device_priv_data->sas_target->sas_address
2931 != sas_address)
2932 continue;
df838f92
SR		 2933 if (sas_device_priv_data->block)
2934 _scsih_internal_device_unblock(sdev,
2935 sas_device_priv_data);
f92363d1
SR		 2936 }
2937}
2938
2939/**
2940 * _scsih_block_io_all_device - set the device state to SDEV_BLOCK
2941 * @ioc: per adapter object
2942 * @handle: device handle
2943 *
2944 * During device pull we need to appropiately set the sdev state.
2945 */
2946static void
2947_scsih_block_io_all_device(struct MPT3SAS_ADAPTER *ioc)
2948{
2949 struct MPT3SAS_DEVICE *sas_device_priv_data;
2950 struct scsi_device *sdev;
2951
2952 shost_for_each_device(sdev, ioc->shost) {
2953 sas_device_priv_data = sdev->hostdata;
2954 if (!sas_device_priv_data)
2955 continue;
2956 if (sas_device_priv_data->block)
2957 continue;
30158dc9
SS		 2958 if (sas_device_priv_data->ignore_delay_remove) {
2959 sdev_printk(KERN_INFO, sdev,
2960 "%s skip device_block for SES handle(0x%04x)\n",
2961 __func__, sas_device_priv_data->sas_target->handle);
2962 continue;
2963 }
df838f92 2964 _scsih_internal_device_block(sdev, sas_device_priv_data);
f92363d1
SR		 2965 }
2966}
2967
2968/**
2969 * _scsih_block_io_device - set the device state to SDEV_BLOCK
2970 * @ioc: per adapter object
2971 * @handle: device handle
2972 *
2973 * During device pull we need to appropiately set the sdev state.
2974 */
2975static void
2976_scsih_block_io_device(struct MPT3SAS_ADAPTER *ioc, u16 handle)
2977{
2978 struct MPT3SAS_DEVICE *sas_device_priv_data;
2979 struct scsi_device *sdev;
e4bc7f5c
SR		 2980 struct _sas_device *sas_device;
2981
d1cb5e49 2982 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
e4bc7f5c
SR		 2983 if (!sas_device)
2984 return;
f92363d1
SR		 2985
2986 shost_for_each_device(sdev, ioc->shost) {
2987 sas_device_priv_data = sdev->hostdata;
2988 if (!sas_device_priv_data)
2989 continue;
2990 if (sas_device_priv_data->sas_target->handle != handle)
2991 continue;
2992 if (sas_device_priv_data->block)
2993 continue;
e4bc7f5c
SR		 2994 if (sas_device->pend_sas_rphy_add)
2995 continue;
30158dc9
SS		 2996 if (sas_device_priv_data->ignore_delay_remove) {
2997 sdev_printk(KERN_INFO, sdev,
2998 "%s skip device_block for SES handle(0x%04x)\n",
2999 __func__, sas_device_priv_data->sas_target->handle);
3000 continue;
3001 }
df838f92 3002 _scsih_internal_device_block(sdev, sas_device_priv_data);
f92363d1 3003 }
d1cb5e49
SR		 3004
3005 sas_device_put(sas_device);
f92363d1
SR		 3006}
3007
3008/**
3009 * _scsih_block_io_to_children_attached_to_ex
3010 * @ioc: per adapter object
3011 * @sas_expander: the sas_device object
3012 *
3013 * This routine set sdev state to SDEV_BLOCK for all devices
3014 * attached to this expander. This function called when expander is
3015 * pulled.
3016 */
3017static void
3018_scsih_block_io_to_children_attached_to_ex(struct MPT3SAS_ADAPTER *ioc,
3019 struct _sas_node *sas_expander)
3020{
3021 struct _sas_port *mpt3sas_port;
3022 struct _sas_device *sas_device;
3023 struct _sas_node *expander_sibling;
3024 unsigned long flags;
3025
3026 if (!sas_expander)
3027 return;
3028
3029 list_for_each_entry(mpt3sas_port,
3030 &sas_expander->sas_port_list, port_list) {
3031 if (mpt3sas_port->remote_identify.device_type ==
3032 SAS_END_DEVICE) {
3033 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49
SR		 3034 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
3035 mpt3sas_port->remote_identify.sas_address);
3036 if (sas_device) {
f92363d1 3037 set_bit(sas_device->handle,
d1cb5e49
SR		 3038 ioc->blocking_handles);
3039 sas_device_put(sas_device);
3040 }
f92363d1
SR		 3041 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
3042 }
3043 }
3044
3045 list_for_each_entry(mpt3sas_port,
3046 &sas_expander->sas_port_list, port_list) {
3047
3048 if (mpt3sas_port->remote_identify.device_type ==
3049 SAS_EDGE_EXPANDER_DEVICE ||
3050 mpt3sas_port->remote_identify.device_type ==
3051 SAS_FANOUT_EXPANDER_DEVICE) {
3052 expander_sibling =
3053 mpt3sas_scsih_expander_find_by_sas_address(
3054 ioc, mpt3sas_port->remote_identify.sas_address);
3055 _scsih_block_io_to_children_attached_to_ex(ioc,
3056 expander_sibling);
3057 }
3058 }
3059}
3060
3061/**
3062 * _scsih_block_io_to_children_attached_directly
3063 * @ioc: per adapter object
3064 * @event_data: topology change event data
3065 *
3066 * This routine set sdev state to SDEV_BLOCK for all devices
3067 * direct attached during device pull.
3068 */
3069static void
3070_scsih_block_io_to_children_attached_directly(struct MPT3SAS_ADAPTER *ioc,
3071 Mpi2EventDataSasTopologyChangeList_t *event_data)
3072{
3073 int i;
3074 u16 handle;
3075 u16 reason_code;
f92363d1
SR		 3076
3077 for (i = 0; i < event_data->NumEntries; i++) {
3078 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
3079 if (!handle)
3080 continue;
f92363d1
SR		 3081 reason_code = event_data->PHY[i].PhyStatus &
3082 MPI2_EVENT_SAS_TOPO_RC_MASK;
3083 if (reason_code == MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING)
3084 _scsih_block_io_device(ioc, handle);
3085 }
3086}
3087
3088/**
3089 * _scsih_tm_tr_send - send task management request
3090 * @ioc: per adapter object
3091 * @handle: device handle
3092 * Context: interrupt time.
3093 *
3094 * This code is to initiate the device removal handshake protocol
3095 * with controller firmware. This function will issue target reset
3096 * using high priority request queue. It will send a sas iounit
3097 * control request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion.
3098 *
3099 * This is designed to send muliple task management request at the same
3100 * time to the fifo. If the fifo is full, we will append the request,
3101 * and process it in a future completion.
3102 */
3103static void
3104_scsih_tm_tr_send(struct MPT3SAS_ADAPTER *ioc, u16 handle)
3105{
3106 Mpi2SCSITaskManagementRequest_t *mpi_request;
3107 u16 smid;
d1cb5e49 3108 struct _sas_device *sas_device = NULL;
f92363d1
SR		 3109 struct MPT3SAS_TARGET *sas_target_priv_data = NULL;
3110 u64 sas_address = 0;
3111 unsigned long flags;
3112 struct _tr_list *delayed_tr;
3113 u32 ioc_state;
3114
3115 if (ioc->remove_host) {
3116 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3117 "%s: host has been removed: handle(0x%04x)\n",
3118 __func__, ioc->name, handle));
3119 return;
3120 } else if (ioc->pci_error_recovery) {
3121 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3122 "%s: host in pci error recovery: handle(0x%04x)\n",
3123 __func__, ioc->name,
3124 handle));
3125 return;
3126 }
3127 ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
3128 if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
3129 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3130 "%s: host is not operational: handle(0x%04x)\n",
3131 __func__, ioc->name,
3132 handle));
3133 return;
3134 }
3135
3136 /* if PD, then return */
3137 if (test_bit(handle, ioc->pd_handles))
3138 return;
3139
3140 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 3141 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
f92363d1
SR		 3142 if (sas_device && sas_device->starget &&
3143 sas_device->starget->hostdata) {
3144 sas_target_priv_data = sas_device->starget->hostdata;
3145 sas_target_priv_data->deleted = 1;
3146 sas_address = sas_device->sas_address;
3147 }
3148 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
3149
3150 if (sas_target_priv_data) {
3151 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3152 "setting delete flag: handle(0x%04x), sas_addr(0x%016llx)\n",
3153 ioc->name, handle,
3154 (unsigned long long)sas_address));
e6d45e3e
SR		 3155 if (sas_device->enclosure_handle != 0)
3156 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3157 "setting delete flag:enclosure logical id(0x%016llx),"
3158 " slot(%d)\n", ioc->name, (unsigned long long)
3159 sas_device->enclosure_logical_id,
3160 sas_device->slot));
869817f9 3161 if (sas_device->connector_name[0] != '\0')
e6d45e3e
SR		 3162 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3163 "setting delete flag: enclosure level(0x%04x),"
3164 " connector name( %s)\n", ioc->name,
3165 sas_device->enclosure_level,
3166 sas_device->connector_name));
f92363d1
SR		 3167 _scsih_ublock_io_device(ioc, sas_address);
3168 sas_target_priv_data->handle = MPT3SAS_INVALID_DEVICE_HANDLE;
3169 }
3170
3171 smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_tr_cb_idx);
3172 if (!smid) {
3173 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
3174 if (!delayed_tr)
d1cb5e49 3175 goto out;
f92363d1
SR		 3176 INIT_LIST_HEAD(&delayed_tr->list);
3177 delayed_tr->handle = handle;
3178 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list);
3179 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3180 "DELAYED:tr:handle(0x%04x), (open)\n",
3181 ioc->name, handle));
d1cb5e49 3182 goto out;
f92363d1
SR		 3183 }
3184
3185 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3186 "tr_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
3187 ioc->name, handle, smid,
3188 ioc->tm_tr_cb_idx));
3189 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
3190 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
3191 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
3192 mpi_request->DevHandle = cpu_to_le16(handle);
3193 mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
03d1fb3a 3194 mpt3sas_base_put_smid_hi_priority(ioc, smid, 0);
f92363d1 3195 mpt3sas_trigger_master(ioc, MASTER_TRIGGER_DEVICE_REMOVAL);
d1cb5e49
SR		 3196
3197out:
3198 if (sas_device)
3199 sas_device_put(sas_device);
f92363d1
SR		 3200}
3201
3202/**
3203 * _scsih_tm_tr_complete -
3204 * @ioc: per adapter object
3205 * @smid: system request message index
3206 * @msix_index: MSIX table index supplied by the OS
3207 * @reply: reply message frame(lower 32bit addr)
3208 * Context: interrupt time.
3209 *
3210 * This is the target reset completion routine.
3211 * This code is part of the code to initiate the device removal
3212 * handshake protocol with controller firmware.
3213 * It will send a sas iounit control request (MPI2_SAS_OP_REMOVE_DEVICE)
3214 *
3215 * Return 1 meaning mf should be freed from _base_interrupt
3216 * 0 means the mf is freed from this function.
3217 */
3218static u8
3219_scsih_tm_tr_complete(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
3220 u32 reply)
3221{
3222 u16 handle;
3223 Mpi2SCSITaskManagementRequest_t *mpi_request_tm;
3224 Mpi2SCSITaskManagementReply_t *mpi_reply =
3225 mpt3sas_base_get_reply_virt_addr(ioc, reply);
3226 Mpi2SasIoUnitControlRequest_t *mpi_request;
3227 u16 smid_sas_ctrl;
3228 u32 ioc_state;
fd0331b3 3229 struct _sc_list *delayed_sc;
f92363d1
SR		 3230
3231 if (ioc->remove_host) {
3232 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3233 "%s: host has been removed\n", __func__, ioc->name));
3234 return 1;
3235 } else if (ioc->pci_error_recovery) {
3236 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3237 "%s: host in pci error recovery\n", __func__,
3238 ioc->name));
3239 return 1;
3240 }
3241 ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
3242 if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
3243 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3244 "%s: host is not operational\n", __func__, ioc->name));
3245 return 1;
3246 }
3247 if (unlikely(!mpi_reply)) {
3248 pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n",
3249 ioc->name, __FILE__, __LINE__, __func__);
3250 return 1;
3251 }
3252 mpi_request_tm = mpt3sas_base_get_msg_frame(ioc, smid);
3253 handle = le16_to_cpu(mpi_request_tm->DevHandle);
3254 if (handle != le16_to_cpu(mpi_reply->DevHandle)) {
3255 dewtprintk(ioc, pr_err(MPT3SAS_FMT
3256 "spurious interrupt: handle(0x%04x:0x%04x), smid(%d)!!!\n",
3257 ioc->name, handle,
3258 le16_to_cpu(mpi_reply->DevHandle), smid));
3259 return 0;
3260 }
3261
3262 mpt3sas_trigger_master(ioc, MASTER_TRIGGER_TASK_MANAGMENT);
3263 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3264 "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
3265 "loginfo(0x%08x), completed(%d)\n", ioc->name,
3266 handle, smid, le16_to_cpu(mpi_reply->IOCStatus),
3267 le32_to_cpu(mpi_reply->IOCLogInfo),
3268 le32_to_cpu(mpi_reply->TerminationCount)));
3269
3270 smid_sas_ctrl = mpt3sas_base_get_smid(ioc, ioc->tm_sas_control_cb_idx);
3271 if (!smid_sas_ctrl) {
fd0331b3
SS		 3272 delayed_sc = kzalloc(sizeof(*delayed_sc), GFP_ATOMIC);
3273 if (!delayed_sc)
3274 return _scsih_check_for_pending_tm(ioc, smid);
3275 INIT_LIST_HEAD(&delayed_sc->list);
3276 delayed_sc->handle = mpi_request_tm->DevHandle;
3277 list_add_tail(&delayed_sc->list, &ioc->delayed_sc_list);
3278 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3279 "DELAYED:sc:handle(0x%04x), (open)\n",
3280 ioc->name, handle));
3281 return _scsih_check_for_pending_tm(ioc, smid);
f92363d1
SR		 3282 }
3283
3284 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3285 "sc_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
3286 ioc->name, handle, smid_sas_ctrl,
3287 ioc->tm_sas_control_cb_idx));
3288 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid_sas_ctrl);
3289 memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t));
3290 mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
3291 mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE;
3292 mpi_request->DevHandle = mpi_request_tm->DevHandle;
3293 mpt3sas_base_put_smid_default(ioc, smid_sas_ctrl);
3294
3295 return _scsih_check_for_pending_tm(ioc, smid);
3296}
3297
3298
3299/**
3300 * _scsih_sas_control_complete - completion routine
3301 * @ioc: per adapter object
3302 * @smid: system request message index
3303 * @msix_index: MSIX table index supplied by the OS
3304 * @reply: reply message frame(lower 32bit addr)
3305 * Context: interrupt time.
3306 *
3307 * This is the sas iounit control completion routine.
3308 * This code is part of the code to initiate the device removal
3309 * handshake protocol with controller firmware.
3310 *
3311 * Return 1 meaning mf should be freed from _base_interrupt
3312 * 0 means the mf is freed from this function.
3313 */
3314static u8
3315_scsih_sas_control_complete(struct MPT3SAS_ADAPTER *ioc, u16 smid,
3316 u8 msix_index, u32 reply)
3317{
3318 Mpi2SasIoUnitControlReply_t *mpi_reply =
3319 mpt3sas_base_get_reply_virt_addr(ioc, reply);
3320
3321 if (likely(mpi_reply)) {
3322 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3323 "sc_complete:handle(0x%04x), (open) "
3324 "smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n",
3325 ioc->name, le16_to_cpu(mpi_reply->DevHandle), smid,
3326 le16_to_cpu(mpi_reply->IOCStatus),
3327 le32_to_cpu(mpi_reply->IOCLogInfo)));
3328 } else {
3329 pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n",
3330 ioc->name, __FILE__, __LINE__, __func__);
3331 }
fd0331b3 3332 return mpt3sas_check_for_pending_internal_cmds(ioc, smid);
f92363d1
SR		 3333}
3334
3335/**
3336 * _scsih_tm_tr_volume_send - send target reset request for volumes
3337 * @ioc: per adapter object
3338 * @handle: device handle
3339 * Context: interrupt time.
3340 *
3341 * This is designed to send muliple task management request at the same
3342 * time to the fifo. If the fifo is full, we will append the request,
3343 * and process it in a future completion.
3344 */
3345static void
3346_scsih_tm_tr_volume_send(struct MPT3SAS_ADAPTER *ioc, u16 handle)
3347{
3348 Mpi2SCSITaskManagementRequest_t *mpi_request;
3349 u16 smid;
3350 struct _tr_list *delayed_tr;
3351
3352 if (ioc->shost_recovery || ioc->remove_host ||
3353 ioc->pci_error_recovery) {
3354 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3355 "%s: host reset in progress!\n",
3356 __func__, ioc->name));
3357 return;
3358 }
3359
3360 smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_tr_volume_cb_idx);
3361 if (!smid) {
3362 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
3363 if (!delayed_tr)
3364 return;
3365 INIT_LIST_HEAD(&delayed_tr->list);
3366 delayed_tr->handle = handle;
3367 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_volume_list);
3368 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3369 "DELAYED:tr:handle(0x%04x), (open)\n",
3370 ioc->name, handle));
3371 return;
3372 }
3373
3374 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3375 "tr_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
3376 ioc->name, handle, smid,
3377 ioc->tm_tr_volume_cb_idx));
3378 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
3379 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
3380 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
3381 mpi_request->DevHandle = cpu_to_le16(handle);
3382 mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
03d1fb3a 3383 mpt3sas_base_put_smid_hi_priority(ioc, smid, 0);
f92363d1
SR		 3384}
3385
3386/**
3387 * _scsih_tm_volume_tr_complete - target reset completion
3388 * @ioc: per adapter object
3389 * @smid: system request message index
3390 * @msix_index: MSIX table index supplied by the OS
3391 * @reply: reply message frame(lower 32bit addr)
3392 * Context: interrupt time.
3393 *
3394 * Return 1 meaning mf should be freed from _base_interrupt
3395 * 0 means the mf is freed from this function.
3396 */
3397static u8
3398_scsih_tm_volume_tr_complete(struct MPT3SAS_ADAPTER *ioc, u16 smid,
3399 u8 msix_index, u32 reply)
3400{
3401 u16 handle;
3402 Mpi2SCSITaskManagementRequest_t *mpi_request_tm;
3403 Mpi2SCSITaskManagementReply_t *mpi_reply =
3404 mpt3sas_base_get_reply_virt_addr(ioc, reply);
3405
3406 if (ioc->shost_recovery || ioc->remove_host ||
3407 ioc->pci_error_recovery) {
3408 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3409 "%s: host reset in progress!\n",
3410 __func__, ioc->name));
3411 return 1;
3412 }
3413 if (unlikely(!mpi_reply)) {
3414 pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n",
3415 ioc->name, __FILE__, __LINE__, __func__);
3416 return 1;
3417 }
3418
3419 mpi_request_tm = mpt3sas_base_get_msg_frame(ioc, smid);
3420 handle = le16_to_cpu(mpi_request_tm->DevHandle);
3421 if (handle != le16_to_cpu(mpi_reply->DevHandle)) {
3422 dewtprintk(ioc, pr_err(MPT3SAS_FMT
3423 "spurious interrupt: handle(0x%04x:0x%04x), smid(%d)!!!\n",
3424 ioc->name, handle,
3425 le16_to_cpu(mpi_reply->DevHandle), smid));
3426 return 0;
3427 }
3428
3429 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3430 "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
3431 "loginfo(0x%08x), completed(%d)\n", ioc->name,
3432 handle, smid, le16_to_cpu(mpi_reply->IOCStatus),
3433 le32_to_cpu(mpi_reply->IOCLogInfo),
3434 le32_to_cpu(mpi_reply->TerminationCount)));
3435
3436 return _scsih_check_for_pending_tm(ioc, smid);
3437}
3438
fd0331b3
SS		 3439/**
3440 * _scsih_issue_delayed_event_ack - issue delayed Event ACK messages
3441 * @ioc: per adapter object
3442 * @smid: system request message index
3443 * @event: Event ID
3444 * @event_context: used to track events uniquely
3445 *
3446 * Context - processed in interrupt context.
3447 */
3448void
3449_scsih_issue_delayed_event_ack(struct MPT3SAS_ADAPTER *ioc, u16 smid, u16 event,
3450 u32 event_context)
3451{
3452 Mpi2EventAckRequest_t *ack_request;
3453 int i = smid - ioc->internal_smid;
3454 unsigned long flags;
3455
3456 /* Without releasing the smid just update the
3457 * call back index and reuse the same smid for
3458 * processing this delayed request
3459 */
3460 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
3461 ioc->internal_lookup[i].cb_idx = ioc->base_cb_idx;
3462 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
3463
3464 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3465 "EVENT ACK: event(0x%04x), smid(%d), cb(%d)\n",
3466 ioc->name, le16_to_cpu(event), smid,
3467 ioc->base_cb_idx));
3468 ack_request = mpt3sas_base_get_msg_frame(ioc, smid);
3469 memset(ack_request, 0, sizeof(Mpi2EventAckRequest_t));
3470 ack_request->Function = MPI2_FUNCTION_EVENT_ACK;
3471 ack_request->Event = event;
3472 ack_request->EventContext = event_context;
3473 ack_request->VF_ID = 0; /* TODO */
3474 ack_request->VP_ID = 0;
3475 mpt3sas_base_put_smid_default(ioc, smid);
3476}
3477
3478/**
3479 * _scsih_issue_delayed_sas_io_unit_ctrl - issue delayed
3480 * sas_io_unit_ctrl messages
3481 * @ioc: per adapter object
3482 * @smid: system request message index
3483 * @handle: device handle
3484 *
3485 * Context - processed in interrupt context.
3486 */
3487void
3488_scsih_issue_delayed_sas_io_unit_ctrl(struct MPT3SAS_ADAPTER *ioc,
3489 u16 smid, u16 handle)
3490 {
3491 Mpi2SasIoUnitControlRequest_t *mpi_request;
3492 u32 ioc_state;
3493 int i = smid - ioc->internal_smid;
3494 unsigned long flags;
3495
3496 if (ioc->remove_host) {
3497 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3498 "%s: host has been removed\n",
3499 __func__, ioc->name));
3500 return;
3501 } else if (ioc->pci_error_recovery) {
3502 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3503 "%s: host in pci error recovery\n",
3504 __func__, ioc->name));
3505 return;
3506 }
3507 ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
3508 if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
3509 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3510 "%s: host is not operational\n",
3511 __func__, ioc->name));
3512 return;
3513 }
3514
3515 /* Without releasing the smid just update the
3516 * call back index and reuse the same smid for
3517 * processing this delayed request
3518 */
3519 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
3520 ioc->internal_lookup[i].cb_idx = ioc->tm_sas_control_cb_idx;
3521 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
3522
3523 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3524 "sc_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
3525 ioc->name, le16_to_cpu(handle), smid,
3526 ioc->tm_sas_control_cb_idx));
3527 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
3528 memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t));
3529 mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
3530 mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE;
3531 mpi_request->DevHandle = handle;
3532 mpt3sas_base_put_smid_default(ioc, smid);
3533}
3534
3535/**
3536 * _scsih_check_for_pending_internal_cmds - check for pending internal messages
3537 * @ioc: per adapter object
3538 * @smid: system request message index
3539 *
3540 * Context: Executed in interrupt context
3541 *
3542 * This will check delayed internal messages list, and process the
3543 * next request.
3544 *
3545 * Return 1 meaning mf should be freed from _base_interrupt
3546 * 0 means the mf is freed from this function.
3547 */
3548u8
3549mpt3sas_check_for_pending_internal_cmds(struct MPT3SAS_ADAPTER *ioc, u16 smid)
3550{
3551 struct _sc_list *delayed_sc;
3552 struct _event_ack_list *delayed_event_ack;
3553
3554 if (!list_empty(&ioc->delayed_event_ack_list)) {
3555 delayed_event_ack = list_entry(ioc->delayed_event_ack_list.next,
3556 struct _event_ack_list, list);
3557 _scsih_issue_delayed_event_ack(ioc, smid,
3558 delayed_event_ack->Event, delayed_event_ack->EventContext);
3559 list_del(&delayed_event_ack->list);
3560 kfree(delayed_event_ack);
3561 return 0;
3562 }
3563
3564 if (!list_empty(&ioc->delayed_sc_list)) {
3565 delayed_sc = list_entry(ioc->delayed_sc_list.next,
3566 struct _sc_list, list);
3567 _scsih_issue_delayed_sas_io_unit_ctrl(ioc, smid,
3568 delayed_sc->handle);
3569 list_del(&delayed_sc->list);
3570 kfree(delayed_sc);
3571 return 0;
3572 }
3573 return 1;
3574}
f92363d1
SR		 3575
3576/**
3577 * _scsih_check_for_pending_tm - check for pending task management
3578 * @ioc: per adapter object
3579 * @smid: system request message index
3580 *
3581 * This will check delayed target reset list, and feed the
3582 * next reqeust.
3583 *
3584 * Return 1 meaning mf should be freed from _base_interrupt
3585 * 0 means the mf is freed from this function.
3586 */
3587static u8
3588_scsih_check_for_pending_tm(struct MPT3SAS_ADAPTER *ioc, u16 smid)
3589{
3590 struct _tr_list *delayed_tr;
3591
3592 if (!list_empty(&ioc->delayed_tr_volume_list)) {
3593 delayed_tr = list_entry(ioc->delayed_tr_volume_list.next,
3594 struct _tr_list, list);
3595 mpt3sas_base_free_smid(ioc, smid);
3596 _scsih_tm_tr_volume_send(ioc, delayed_tr->handle);
3597 list_del(&delayed_tr->list);
3598 kfree(delayed_tr);
3599 return 0;
3600 }
3601
3602 if (!list_empty(&ioc->delayed_tr_list)) {
3603 delayed_tr = list_entry(ioc->delayed_tr_list.next,
3604 struct _tr_list, list);
3605 mpt3sas_base_free_smid(ioc, smid);
3606 _scsih_tm_tr_send(ioc, delayed_tr->handle);
3607 list_del(&delayed_tr->list);
3608 kfree(delayed_tr);
3609 return 0;
3610 }
3611
3612 return 1;
3613}
3614
3615/**
3616 * _scsih_check_topo_delete_events - sanity check on topo events
3617 * @ioc: per adapter object
3618 * @event_data: the event data payload
3619 *
3620 * This routine added to better handle cable breaker.
3621 *
3622 * This handles the case where driver receives multiple expander
3623 * add and delete events in a single shot. When there is a delete event
3624 * the routine will void any pending add events waiting in the event queue.
3625 *
3626 * Return nothing.
3627 */
3628static void
3629_scsih_check_topo_delete_events(struct MPT3SAS_ADAPTER *ioc,
3630 Mpi2EventDataSasTopologyChangeList_t *event_data)
3631{
3632 struct fw_event_work *fw_event;
3633 Mpi2EventDataSasTopologyChangeList_t *local_event_data;
3634 u16 expander_handle;
3635 struct _sas_node *sas_expander;
3636 unsigned long flags;
3637 int i, reason_code;
3638 u16 handle;
3639
3640 for (i = 0 ; i < event_data->NumEntries; i++) {
3641 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
3642 if (!handle)
3643 continue;
3644 reason_code = event_data->PHY[i].PhyStatus &
3645 MPI2_EVENT_SAS_TOPO_RC_MASK;
3646 if (reason_code == MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)
3647 _scsih_tm_tr_send(ioc, handle);
3648 }
3649
3650 expander_handle = le16_to_cpu(event_data->ExpanderDevHandle);
3651 if (expander_handle < ioc->sas_hba.num_phys) {
3652 _scsih_block_io_to_children_attached_directly(ioc, event_data);
3653 return;
3654 }
3655 if (event_data->ExpStatus ==
3656 MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING) {
3657 /* put expander attached devices into blocking state */
3658 spin_lock_irqsave(&ioc->sas_node_lock, flags);
3659 sas_expander = mpt3sas_scsih_expander_find_by_handle(ioc,
3660 expander_handle);
3661 _scsih_block_io_to_children_attached_to_ex(ioc, sas_expander);
3662 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
3663 do {
3664 handle = find_first_bit(ioc->blocking_handles,
3665 ioc->facts.MaxDevHandle);
3666 if (handle < ioc->facts.MaxDevHandle)
3667 _scsih_block_io_device(ioc, handle);
3668 } while (test_and_clear_bit(handle, ioc->blocking_handles));
3669 } else if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_RESPONDING)
3670 _scsih_block_io_to_children_attached_directly(ioc, event_data);
3671
3672 if (event_data->ExpStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING)
3673 return;
3674
3675 /* mark ignore flag for pending events */
3676 spin_lock_irqsave(&ioc->fw_event_lock, flags);
3677 list_for_each_entry(fw_event, &ioc->fw_event_list, list) {
3678 if (fw_event->event != MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
3679 fw_event->ignore)
3680 continue;
35b62362
JL		 3681 local_event_data = (Mpi2EventDataSasTopologyChangeList_t *)
3682 fw_event->event_data;
f92363d1
SR		 3683 if (local_event_data->ExpStatus ==
3684 MPI2_EVENT_SAS_TOPO_ES_ADDED ||
3685 local_event_data->ExpStatus ==
3686 MPI2_EVENT_SAS_TOPO_ES_RESPONDING) {
3687 if (le16_to_cpu(local_event_data->ExpanderDevHandle) ==
3688 expander_handle) {
3689 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3690 "setting ignoring flag\n", ioc->name));
3691 fw_event->ignore = 1;
3692 }
3693 }
3694 }
3695 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
3696}
3697
3698/**
3699 * _scsih_set_volume_delete_flag - setting volume delete flag
3700 * @ioc: per adapter object
3701 * @handle: device handle
3702 *
3703 * This returns nothing.
3704 */
3705static void
3706_scsih_set_volume_delete_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle)
3707{
3708 struct _raid_device *raid_device;
3709 struct MPT3SAS_TARGET *sas_target_priv_data;
3710 unsigned long flags;
3711
3712 spin_lock_irqsave(&ioc->raid_device_lock, flags);
c84b06a4 3713 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
f92363d1
SR		 3714 if (raid_device && raid_device->starget &&
3715 raid_device->starget->hostdata) {
3716 sas_target_priv_data =
3717 raid_device->starget->hostdata;
3718 sas_target_priv_data->deleted = 1;
3719 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3720 "setting delete flag: handle(0x%04x), "
3721 "wwid(0x%016llx)\n", ioc->name, handle,
3722 (unsigned long long) raid_device->wwid));
3723 }
3724 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
3725}
3726
3727/**
3728 * _scsih_set_volume_handle_for_tr - set handle for target reset to volume
3729 * @handle: input handle
3730 * @a: handle for volume a
3731 * @b: handle for volume b
3732 *
3733 * IR firmware only supports two raid volumes. The purpose of this
3734 * routine is to set the volume handle in either a or b. When the given
3735 * input handle is non-zero, or when a and b have not been set before.
3736 */
3737static void
3738_scsih_set_volume_handle_for_tr(u16 handle, u16 *a, u16 *b)
3739{
3740 if (!handle || handle == *a || handle == *b)
3741 return;
3742 if (!*a)
3743 *a = handle;
3744 else if (!*b)
3745 *b = handle;
3746}
3747
3748/**
3749 * _scsih_check_ir_config_unhide_events - check for UNHIDE events
3750 * @ioc: per adapter object
3751 * @event_data: the event data payload
3752 * Context: interrupt time.
3753 *
3754 * This routine will send target reset to volume, followed by target
3755 * resets to the PDs. This is called when a PD has been removed, or
3756 * volume has been deleted or removed. When the target reset is sent
3757 * to volume, the PD target resets need to be queued to start upon
3758 * completion of the volume target reset.
3759 *
3760 * Return nothing.
3761 */
3762static void
3763_scsih_check_ir_config_unhide_events(struct MPT3SAS_ADAPTER *ioc,
3764 Mpi2EventDataIrConfigChangeList_t *event_data)
3765{
3766 Mpi2EventIrConfigElement_t *element;
3767 int i;
3768 u16 handle, volume_handle, a, b;
3769 struct _tr_list *delayed_tr;
3770
3771 a = 0;
3772 b = 0;
3773
7786ab6a
SR		 3774 if (ioc->is_warpdrive)
3775 return;
3776
f92363d1
SR		 3777 /* Volume Resets for Deleted or Removed */
3778 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
3779 for (i = 0; i < event_data->NumElements; i++, element++) {
3780 if (le32_to_cpu(event_data->Flags) &
3781 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
3782 continue;
3783 if (element->ReasonCode ==
3784 MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED ||
3785 element->ReasonCode ==
3786 MPI2_EVENT_IR_CHANGE_RC_REMOVED) {
3787 volume_handle = le16_to_cpu(element->VolDevHandle);
3788 _scsih_set_volume_delete_flag(ioc, volume_handle);
3789 _scsih_set_volume_handle_for_tr(volume_handle, &a, &b);
3790 }
3791 }
3792
3793 /* Volume Resets for UNHIDE events */
3794 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
3795 for (i = 0; i < event_data->NumElements; i++, element++) {
3796 if (le32_to_cpu(event_data->Flags) &
3797 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
3798 continue;
3799 if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_UNHIDE) {
3800 volume_handle = le16_to_cpu(element->VolDevHandle);
3801 _scsih_set_volume_handle_for_tr(volume_handle, &a, &b);
3802 }
3803 }
3804
3805 if (a)
3806 _scsih_tm_tr_volume_send(ioc, a);
3807 if (b)
3808 _scsih_tm_tr_volume_send(ioc, b);
3809
3810 /* PD target resets */
3811 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
3812 for (i = 0; i < event_data->NumElements; i++, element++) {
3813 if (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_UNHIDE)
3814 continue;
3815 handle = le16_to_cpu(element->PhysDiskDevHandle);
3816 volume_handle = le16_to_cpu(element->VolDevHandle);
3817 clear_bit(handle, ioc->pd_handles);
3818 if (!volume_handle)
3819 _scsih_tm_tr_send(ioc, handle);
3820 else if (volume_handle == a || volume_handle == b) {
3821 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
3822 BUG_ON(!delayed_tr);
3823 INIT_LIST_HEAD(&delayed_tr->list);
3824 delayed_tr->handle = handle;
3825 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list);
3826 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3827 "DELAYED:tr:handle(0x%04x), (open)\n", ioc->name,
3828 handle));
3829 } else
3830 _scsih_tm_tr_send(ioc, handle);
3831 }
3832}
3833
3834
3835/**
3836 * _scsih_check_volume_delete_events - set delete flag for volumes
3837 * @ioc: per adapter object
3838 * @event_data: the event data payload
3839 * Context: interrupt time.
3840 *
3841 * This will handle the case when the cable connected to entire volume is
3842 * pulled. We will take care of setting the deleted flag so normal IO will
3843 * not be sent.
3844 *
3845 * Return nothing.
3846 */
3847static void
3848_scsih_check_volume_delete_events(struct MPT3SAS_ADAPTER *ioc,
3849 Mpi2EventDataIrVolume_t *event_data)
3850{
3851 u32 state;
3852
3853 if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
3854 return;
3855 state = le32_to_cpu(event_data->NewValue);
3856 if (state == MPI2_RAID_VOL_STATE_MISSING || state ==
3857 MPI2_RAID_VOL_STATE_FAILED)
3858 _scsih_set_volume_delete_flag(ioc,
3859 le16_to_cpu(event_data->VolDevHandle));
3860}
3861
2d8ce8c9
SR		 3862/**
3863 * _scsih_temp_threshold_events - display temperature threshold exceeded events
3864 * @ioc: per adapter object
3865 * @event_data: the temp threshold event data
3866 * Context: interrupt time.
3867 *
3868 * Return nothing.
3869 */
3870static void
3871_scsih_temp_threshold_events(struct MPT3SAS_ADAPTER *ioc,
3872 Mpi2EventDataTemperature_t *event_data)
3873{
3874 if (ioc->temp_sensors_count >= event_data->SensorNum) {
3875 pr_err(MPT3SAS_FMT "Temperature Threshold flags %s%s%s%s"
3876 " exceeded for Sensor: %d !!!\n", ioc->name,
3877 ((le16_to_cpu(event_data->Status) & 0x1) == 1) ? "0 " : " ",
3878 ((le16_to_cpu(event_data->Status) & 0x2) == 2) ? "1 " : " ",
3879 ((le16_to_cpu(event_data->Status) & 0x4) == 4) ? "2 " : " ",
3880 ((le16_to_cpu(event_data->Status) & 0x8) == 8) ? "3 " : " ",
3881 event_data->SensorNum);
3882 pr_err(MPT3SAS_FMT "Current Temp In Celsius: %d\n",
3883 ioc->name, event_data->CurrentTemperature);
3884 }
3885}
3886
f92363d1
SR		 3887/**
3888 * _scsih_flush_running_cmds - completing outstanding commands.
3889 * @ioc: per adapter object
3890 *
3891 * The flushing out of all pending scmd commands following host reset,
3892 * where all IO is dropped to the floor.
3893 *
3894 * Return nothing.
3895 */
3896static void
3897_scsih_flush_running_cmds(struct MPT3SAS_ADAPTER *ioc)
3898{
3899 struct scsi_cmnd *scmd;
3900 u16 smid;
3901 u16 count = 0;
3902
3903 for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
3904 scmd = _scsih_scsi_lookup_get_clear(ioc, smid);
3905 if (!scmd)
3906 continue;
3907 count++;
3908 mpt3sas_base_free_smid(ioc, smid);
3909 scsi_dma_unmap(scmd);
3910 if (ioc->pci_error_recovery)
3911 scmd->result = DID_NO_CONNECT << 16;
3912 else
3913 scmd->result = DID_RESET << 16;
3914 scmd->scsi_done(scmd);
3915 }
3916 dtmprintk(ioc, pr_info(MPT3SAS_FMT "completing %d cmds\n",
3917 ioc->name, count));
3918}
3919
3920/**
3921 * _scsih_setup_eedp - setup MPI request for EEDP transfer
3922 * @ioc: per adapter object
3923 * @scmd: pointer to scsi command object
3924 * @mpi_request: pointer to the SCSI_IO reqest message frame
3925 *
3926 * Supporting protection 1 and 3.
3927 *
3928 * Returns nothing
3929 */
3930static void
3931_scsih_setup_eedp(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
3932 Mpi2SCSIIORequest_t *mpi_request)
3933{
3934 u16 eedp_flags;
3935 unsigned char prot_op = scsi_get_prot_op(scmd);
3936 unsigned char prot_type = scsi_get_prot_type(scmd);
3937 Mpi25SCSIIORequest_t *mpi_request_3v =
3938 (Mpi25SCSIIORequest_t *)mpi_request;
3939
3940 if (prot_type == SCSI_PROT_DIF_TYPE0 || prot_op == SCSI_PROT_NORMAL)
3941 return;
3942
3943 if (prot_op == SCSI_PROT_READ_STRIP)
3944 eedp_flags = MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP;
3945 else if (prot_op == SCSI_PROT_WRITE_INSERT)
3946 eedp_flags = MPI2_SCSIIO_EEDPFLAGS_INSERT_OP;
3947 else
3948 return;
3949
3950 switch (prot_type) {
3951 case SCSI_PROT_DIF_TYPE1:
3952 case SCSI_PROT_DIF_TYPE2:
3953
3954 /*
3955 * enable ref/guard checking
3956 * auto increment ref tag
3957 */
3958 eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
3959 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG |
3960 MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
3961 mpi_request->CDB.EEDP32.PrimaryReferenceTag =
3962 cpu_to_be32(scsi_get_lba(scmd));
3963 break;
3964
3965 case SCSI_PROT_DIF_TYPE3:
3966
3967 /*
3968 * enable guard checking
3969 */
3970 eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
3971
3972 break;
3973 }
3974
3975 mpi_request_3v->EEDPBlockSize =
3976 cpu_to_le16(scmd->device->sector_size);
3977 mpi_request->EEDPFlags = cpu_to_le16(eedp_flags);
3978}
3979
3980/**
3981 * _scsih_eedp_error_handling - return sense code for EEDP errors
3982 * @scmd: pointer to scsi command object
3983 * @ioc_status: ioc status
3984 *
3985 * Returns nothing
3986 */
3987static void
3988_scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status)
3989{
3990 u8 ascq;
3991
3992 switch (ioc_status) {
3993 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
3994 ascq = 0x01;
3995 break;
3996 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
3997 ascq = 0x02;
3998 break;
3999 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
4000 ascq = 0x03;
4001 break;
4002 default:
4003 ascq = 0x00;
4004 break;
4005 }
4006 scsi_build_sense_buffer(0, scmd->sense_buffer, ILLEGAL_REQUEST, 0x10,
4007 ascq);
4008 scmd->result = DRIVER_SENSE << 24 | (DID_ABORT << 16) |
4009 SAM_STAT_CHECK_CONDITION;
4010}
4011
4012
7786ab6a 4013
f92363d1 4014/**
8a7e4c24 4015 * scsih_qcmd - main scsi request entry point
f92363d1
SR		 4016 * @scmd: pointer to scsi command object
4017 * @done: function pointer to be invoked on completion
4018 *
4019 * The callback index is set inside `ioc->scsi_io_cb_idx`.
4020 *
4021 * Returns 0 on success. If there's a failure, return either:
4022 * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or
4023 * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full
4024 */
8a7e4c24
SR		 4025int
4026scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd)
f92363d1 4027{
d8bfbd8d 4028 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
f92363d1
SR		 4029 struct MPT3SAS_DEVICE *sas_device_priv_data;
4030 struct MPT3SAS_TARGET *sas_target_priv_data;
7786ab6a 4031 struct _raid_device *raid_device;
f92363d1
SR		 4032 Mpi2SCSIIORequest_t *mpi_request;
4033 u32 mpi_control;
4034 u16 smid;
4035 u16 handle;
4036
f92363d1
SR		 4037 if (ioc->logging_level & MPT_DEBUG_SCSI)
4038 scsi_print_command(scmd);
f92363d1 4039
f92363d1
SR		 4040 sas_device_priv_data = scmd->device->hostdata;
4041 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
4042 scmd->result = DID_NO_CONNECT << 16;
4043 scmd->scsi_done(scmd);
4044 return 0;
4045 }
4046
4047 if (ioc->pci_error_recovery || ioc->remove_host) {
4048 scmd->result = DID_NO_CONNECT << 16;
4049 scmd->scsi_done(scmd);
4050 return 0;
4051 }
4052
4053 sas_target_priv_data = sas_device_priv_data->sas_target;
4054
4055 /* invalid device handle */
4056 handle = sas_target_priv_data->handle;
4057 if (handle == MPT3SAS_INVALID_DEVICE_HANDLE) {
4058 scmd->result = DID_NO_CONNECT << 16;
4059 scmd->scsi_done(scmd);
4060 return 0;
4061 }
4062
4063
4064 /* host recovery or link resets sent via IOCTLs */
4065 if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress)
4066 return SCSI_MLQUEUE_HOST_BUSY;
4067
4068 /* device has been deleted */
4069 else if (sas_target_priv_data->deleted) {
4070 scmd->result = DID_NO_CONNECT << 16;
4071 scmd->scsi_done(scmd);
4072 return 0;
4073 /* device busy with task managment */
4074 } else if (sas_target_priv_data->tm_busy ||
4075 sas_device_priv_data->block)
4076 return SCSI_MLQUEUE_DEVICE_BUSY;
4077
4078 if (scmd->sc_data_direction == DMA_FROM_DEVICE)
4079 mpi_control = MPI2_SCSIIO_CONTROL_READ;
4080 else if (scmd->sc_data_direction == DMA_TO_DEVICE)
4081 mpi_control = MPI2_SCSIIO_CONTROL_WRITE;
4082 else
4083 mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER;
4084
4085 /* set tags */
609aa22f 4086 mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
f92363d1 4087
7786ab6a
SR		 4088 /* Make sure Device is not raid volume.
4089 * We do not expose raid functionality to upper layer for warpdrive.
4090 */
4091 if (!ioc->is_warpdrive && !scsih_is_raid(&scmd->device->sdev_gendev)
15de0de2 4092 && sas_is_tlr_enabled(scmd->device) && scmd->cmd_len != 32)
f92363d1
SR		 4093 mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON;
4094
4095 smid = mpt3sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd);
4096 if (!smid) {
4097 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
4098 ioc->name, __func__);
4099 goto out;
4100 }
4101 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
4102 memset(mpi_request, 0, sizeof(Mpi2SCSIIORequest_t));
4103 _scsih_setup_eedp(ioc, scmd, mpi_request);
4104
4105 if (scmd->cmd_len == 32)
4106 mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT;
4107 mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
4108 if (sas_device_priv_data->sas_target->flags &
4109 MPT_TARGET_FLAGS_RAID_COMPONENT)
4110 mpi_request->Function = MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
4111 else
4112 mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
4113 mpi_request->DevHandle = cpu_to_le16(handle);
4114 mpi_request->DataLength = cpu_to_le32(scsi_bufflen(scmd));
4115 mpi_request->Control = cpu_to_le32(mpi_control);
4116 mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len);
4117 mpi_request->MsgFlags = MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR;
4118 mpi_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE;
4119 mpi_request->SenseBufferLowAddress =
4120 mpt3sas_base_get_sense_buffer_dma(ioc, smid);
4121 mpi_request->SGLOffset0 = offsetof(Mpi2SCSIIORequest_t, SGL) / 4;
4122 int_to_scsilun(sas_device_priv_data->lun, (struct scsi_lun *)
4123 mpi_request->LUN);
4124 memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len);
4125
4126 if (mpi_request->DataLength) {
4127 if (ioc->build_sg_scmd(ioc, scmd, smid)) {
4128 mpt3sas_base_free_smid(ioc, smid);
4129 goto out;
4130 }
4131 } else
4132 ioc->build_zero_len_sge(ioc, &mpi_request->SGL);
4133
7786ab6a
SR		 4134 raid_device = sas_target_priv_data->raid_device;
4135 if (raid_device && raid_device->direct_io_enabled)
c84b06a4 4136 mpt3sas_setup_direct_io(ioc, scmd, raid_device, mpi_request,
7786ab6a 4137 smid);
7786ab6a 4138
f92363d1
SR		 4139 if (likely(mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST)) {
4140 if (sas_target_priv_data->flags & MPT_TARGET_FASTPATH_IO) {
4141 mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len |
4142 MPI25_SCSIIO_IOFLAGS_FAST_PATH);
4143 mpt3sas_base_put_smid_fast_path(ioc, smid, handle);
4144 } else
7786ab6a
SR		 4145 mpt3sas_base_put_smid_scsi_io(ioc, smid,
4146 le16_to_cpu(mpi_request->DevHandle));
f92363d1
SR		 4147 } else
4148 mpt3sas_base_put_smid_default(ioc, smid);
4149 return 0;
4150
4151 out:
4152 return SCSI_MLQUEUE_HOST_BUSY;
4153}
f92363d1
SR		 4154
4155/**
4156 * _scsih_normalize_sense - normalize descriptor and fixed format sense data
4157 * @sense_buffer: sense data returned by target
4158 * @data: normalized skey/asc/ascq
4159 *
4160 * Return nothing.
4161 */
4162static void
4163_scsih_normalize_sense(char *sense_buffer, struct sense_info *data)
4164{
4165 if ((sense_buffer[0] & 0x7F) >= 0x72) {
4166 /* descriptor format */
4167 data->skey = sense_buffer[1] & 0x0F;
4168 data->asc = sense_buffer[2];
4169 data->ascq = sense_buffer[3];
4170 } else {
4171 /* fixed format */
4172 data->skey = sense_buffer[2] & 0x0F;
4173 data->asc = sense_buffer[12];
4174 data->ascq = sense_buffer[13];
4175 }
4176}
4177
f92363d1
SR		 4178/**
4179 * _scsih_scsi_ioc_info - translated non-succesfull SCSI_IO request
4180 * @ioc: per adapter object
4181 * @scmd: pointer to scsi command object
4182 * @mpi_reply: reply mf payload returned from firmware
4183 *
4184 * scsi_status - SCSI Status code returned from target device
4185 * scsi_state - state info associated with SCSI_IO determined by ioc
4186 * ioc_status - ioc supplied status info
4187 *
4188 * Return nothing.
4189 */
4190static void
4191_scsih_scsi_ioc_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
4192 Mpi2SCSIIOReply_t *mpi_reply, u16 smid)
4193{
4194 u32 response_info;
4195 u8 *response_bytes;
4196 u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) &
4197 MPI2_IOCSTATUS_MASK;
4198 u8 scsi_state = mpi_reply->SCSIState;
4199 u8 scsi_status = mpi_reply->SCSIStatus;
4200 char *desc_ioc_state = NULL;
4201 char *desc_scsi_status = NULL;
4202 char *desc_scsi_state = ioc->tmp_string;
4203 u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
4204 struct _sas_device *sas_device = NULL;
f92363d1
SR		 4205 struct scsi_target *starget = scmd->device->sdev_target;
4206 struct MPT3SAS_TARGET *priv_target = starget->hostdata;
4207 char *device_str = NULL;
4208
4209 if (!priv_target)
4210 return;
7786ab6a
SR		 4211 if (ioc->hide_ir_msg)
4212 device_str = "WarpDrive";
4213 else
4214 device_str = "volume";
f92363d1
SR		 4215
4216 if (log_info == 0x31170000)
4217 return;
4218
4219 switch (ioc_status) {
4220 case MPI2_IOCSTATUS_SUCCESS:
4221 desc_ioc_state = "success";
4222 break;
4223 case MPI2_IOCSTATUS_INVALID_FUNCTION:
4224 desc_ioc_state = "invalid function";
4225 break;
4226 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
4227 desc_ioc_state = "scsi recovered error";
4228 break;
4229 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
4230 desc_ioc_state = "scsi invalid dev handle";
4231 break;
4232 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
4233 desc_ioc_state = "scsi device not there";
4234 break;
4235 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
4236 desc_ioc_state = "scsi data overrun";
4237 break;
4238 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
4239 desc_ioc_state = "scsi data underrun";
4240 break;
4241 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
4242 desc_ioc_state = "scsi io data error";
4243 break;
4244 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
4245 desc_ioc_state = "scsi protocol error";
4246 break;
4247 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
4248 desc_ioc_state = "scsi task terminated";
4249 break;
4250 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
4251 desc_ioc_state = "scsi residual mismatch";
4252 break;
4253 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
4254 desc_ioc_state = "scsi task mgmt failed";
4255 break;
4256 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
4257 desc_ioc_state = "scsi ioc terminated";
4258 break;
4259 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
4260 desc_ioc_state = "scsi ext terminated";
4261 break;
4262 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
4263 desc_ioc_state = "eedp guard error";
4264 break;
4265 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
4266 desc_ioc_state = "eedp ref tag error";
4267 break;
4268 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
4269 desc_ioc_state = "eedp app tag error";
4270 break;
b130b0d5
SS		 4271 case MPI2_IOCSTATUS_INSUFFICIENT_POWER:
4272 desc_ioc_state = "insufficient power";
4273 break;
f92363d1
SR		 4274 default:
4275 desc_ioc_state = "unknown";
4276 break;
4277 }
4278
4279 switch (scsi_status) {
4280 case MPI2_SCSI_STATUS_GOOD:
4281 desc_scsi_status = "good";
4282 break;
4283 case MPI2_SCSI_STATUS_CHECK_CONDITION:
4284 desc_scsi_status = "check condition";
4285 break;
4286 case MPI2_SCSI_STATUS_CONDITION_MET:
4287 desc_scsi_status = "condition met";
4288 break;
4289 case MPI2_SCSI_STATUS_BUSY:
4290 desc_scsi_status = "busy";
4291 break;
4292 case MPI2_SCSI_STATUS_INTERMEDIATE:
4293 desc_scsi_status = "intermediate";
4294 break;
4295 case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET:
4296 desc_scsi_status = "intermediate condmet";
4297 break;
4298 case MPI2_SCSI_STATUS_RESERVATION_CONFLICT:
4299 desc_scsi_status = "reservation conflict";
4300 break;
4301 case MPI2_SCSI_STATUS_COMMAND_TERMINATED:
4302 desc_scsi_status = "command terminated";
4303 break;
4304 case MPI2_SCSI_STATUS_TASK_SET_FULL:
4305 desc_scsi_status = "task set full";
4306 break;
4307 case MPI2_SCSI_STATUS_ACA_ACTIVE:
4308 desc_scsi_status = "aca active";
4309 break;
4310 case MPI2_SCSI_STATUS_TASK_ABORTED:
4311 desc_scsi_status = "task aborted";
4312 break;
4313 default:
4314 desc_scsi_status = "unknown";
4315 break;
4316 }
4317
4318 desc_scsi_state[0] = '\0';
4319 if (!scsi_state)
4320 desc_scsi_state = " ";
4321 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
4322 strcat(desc_scsi_state, "response info ");
4323 if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
4324 strcat(desc_scsi_state, "state terminated ");
4325 if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS)
4326 strcat(desc_scsi_state, "no status ");
4327 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED)
4328 strcat(desc_scsi_state, "autosense failed ");
4329 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)
4330 strcat(desc_scsi_state, "autosense valid ");
4331
4332 scsi_print_command(scmd);
4333
4334 if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) {
4335 pr_warn(MPT3SAS_FMT "\t%s wwid(0x%016llx)\n", ioc->name,
4336 device_str, (unsigned long long)priv_target->sas_address);
4337 } else {
d1cb5e49 4338 sas_device = mpt3sas_get_sdev_from_target(ioc, priv_target);
f92363d1
SR		 4339 if (sas_device) {
4340 pr_warn(MPT3SAS_FMT
4341 "\tsas_address(0x%016llx), phy(%d)\n",
4342 ioc->name, (unsigned long long)
4343 sas_device->sas_address, sas_device->phy);
e6d45e3e
SR		 4344 if (sas_device->enclosure_handle != 0)
4345 pr_warn(MPT3SAS_FMT
4346 "\tenclosure_logical_id(0x%016llx),"
4347 "slot(%d)\n", ioc->name,
4348 (unsigned long long)
4349 sas_device->enclosure_logical_id,
4350 sas_device->slot);
4351 if (sas_device->connector_name[0])
4352 pr_warn(MPT3SAS_FMT
4353 "\tenclosure level(0x%04x),"
4354 " connector name( %s)\n", ioc->name,
4355 sas_device->enclosure_level,
4356 sas_device->connector_name);
d1cb5e49
SR		 4357
4358 sas_device_put(sas_device);
f92363d1 4359 }
f92363d1
SR		 4360 }
4361
4362 pr_warn(MPT3SAS_FMT
4363 "\thandle(0x%04x), ioc_status(%s)(0x%04x), smid(%d)\n",
4364 ioc->name, le16_to_cpu(mpi_reply->DevHandle),
4365 desc_ioc_state, ioc_status, smid);
4366 pr_warn(MPT3SAS_FMT
4367 "\trequest_len(%d), underflow(%d), resid(%d)\n",
4368 ioc->name, scsi_bufflen(scmd), scmd->underflow,
4369 scsi_get_resid(scmd));
4370 pr_warn(MPT3SAS_FMT
4371 "\ttag(%d), transfer_count(%d), sc->result(0x%08x)\n",
4372 ioc->name, le16_to_cpu(mpi_reply->TaskTag),
4373 le32_to_cpu(mpi_reply->TransferCount), scmd->result);
4374 pr_warn(MPT3SAS_FMT
4375 "\tscsi_status(%s)(0x%02x), scsi_state(%s)(0x%02x)\n",
4376 ioc->name, desc_scsi_status,
4377 scsi_status, desc_scsi_state, scsi_state);
4378
4379 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
4380 struct sense_info data;
4381 _scsih_normalize_sense(scmd->sense_buffer, &data);
4382 pr_warn(MPT3SAS_FMT
4383 "\t[sense_key,asc,ascq]: [0x%02x,0x%02x,0x%02x], count(%d)\n",
4384 ioc->name, data.skey,
4385 data.asc, data.ascq, le32_to_cpu(mpi_reply->SenseCount));
4386 }
4387
4388 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) {
4389 response_info = le32_to_cpu(mpi_reply->ResponseInfo);
4390 response_bytes = (u8 *)&response_info;
4391 _scsih_response_code(ioc, response_bytes[0]);
4392 }
4393}
f92363d1
SR		 4394
4395/**
0f624c39 4396 * _scsih_turn_on_pfa_led - illuminate PFA LED
f92363d1
SR		 4397 * @ioc: per adapter object
4398 * @handle: device handle
4399 * Context: process
4400 *
4401 * Return nothing.
4402 */
4403static void
0f624c39 4404_scsih_turn_on_pfa_led(struct MPT3SAS_ADAPTER *ioc, u16 handle)
f92363d1
SR		 4405{
4406 Mpi2SepReply_t mpi_reply;
4407 Mpi2SepRequest_t mpi_request;
0f624c39
SR		 4408 struct _sas_device *sas_device;
4409
d1cb5e49 4410 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
0f624c39
SR		 4411 if (!sas_device)
4412 return;
f92363d1
SR		 4413
4414 memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t));
4415 mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
4416 mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS;
4417 mpi_request.SlotStatus =
4418 cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
4419 mpi_request.DevHandle = cpu_to_le16(handle);
4420 mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS;
4421 if ((mpt3sas_base_scsi_enclosure_processor(ioc, &mpi_reply,
4422 &mpi_request)) != 0) {
4423 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", ioc->name,
4424 __FILE__, __LINE__, __func__);
d1cb5e49 4425 goto out;
f92363d1 4426 }
0f624c39 4427 sas_device->pfa_led_on = 1;
f92363d1
SR		 4428
4429 if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) {
4430 dewtprintk(ioc, pr_info(MPT3SAS_FMT
4431 "enclosure_processor: ioc_status (0x%04x), loginfo(0x%08x)\n",
4432 ioc->name, le16_to_cpu(mpi_reply.IOCStatus),
4433 le32_to_cpu(mpi_reply.IOCLogInfo)));
d1cb5e49 4434 goto out;
f92363d1 4435 }
d1cb5e49
SR		 4436out:
4437 sas_device_put(sas_device);
f92363d1 4438}
d1cb5e49 4439
0f624c39
SR		 4440/**
4441 * _scsih_turn_off_pfa_led - turn off Fault LED
4442 * @ioc: per adapter object
4443 * @sas_device: sas device whose PFA LED has to turned off
4444 * Context: process
4445 *
4446 * Return nothing.
4447 */
4448static void
4449_scsih_turn_off_pfa_led(struct MPT3SAS_ADAPTER *ioc,
4450 struct _sas_device *sas_device)
4451{
4452 Mpi2SepReply_t mpi_reply;
4453 Mpi2SepRequest_t mpi_request;
f92363d1 4454
0f624c39
SR		 4455 memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t));
4456 mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
4457 mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS;
4458 mpi_request.SlotStatus = 0;
4459 mpi_request.Slot = cpu_to_le16(sas_device->slot);
4460 mpi_request.DevHandle = 0;
4461 mpi_request.EnclosureHandle = cpu_to_le16(sas_device->enclosure_handle);
4462 mpi_request.Flags = MPI2_SEP_REQ_FLAGS_ENCLOSURE_SLOT_ADDRESS;
4463 if ((mpt3sas_base_scsi_enclosure_processor(ioc, &mpi_reply,
4464 &mpi_request)) != 0) {
4465 printk(MPT3SAS_FMT "failure at %s:%d/%s()!\n", ioc->name,
4466 __FILE__, __LINE__, __func__);
4467 return;
4468 }
4469
4470 if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) {
4471 dewtprintk(ioc, printk(MPT3SAS_FMT
4472 "enclosure_processor: ioc_status (0x%04x), loginfo(0x%08x)\n",
4473 ioc->name, le16_to_cpu(mpi_reply.IOCStatus),
4474 le32_to_cpu(mpi_reply.IOCLogInfo)));
4475 return;
4476 }
4477}
d1cb5e49 4478
f92363d1 4479/**
0f624c39 4480 * _scsih_send_event_to_turn_on_pfa_led - fire delayed event
f92363d1
SR		 4481 * @ioc: per adapter object
4482 * @handle: device handle
4483 * Context: interrupt.
4484 *
4485 * Return nothing.
4486 */
4487static void
0f624c39 4488_scsih_send_event_to_turn_on_pfa_led(struct MPT3SAS_ADAPTER *ioc, u16 handle)
f92363d1
SR		 4489{
4490 struct fw_event_work *fw_event;
4491
146b16c8 4492 fw_event = alloc_fw_event_work(0);
f92363d1
SR		 4493 if (!fw_event)
4494 return;
0f624c39 4495 fw_event->event = MPT3SAS_TURN_ON_PFA_LED;
f92363d1
SR		 4496 fw_event->device_handle = handle;
4497 fw_event->ioc = ioc;
4498 _scsih_fw_event_add(ioc, fw_event);
146b16c8 4499 fw_event_work_put(fw_event);
f92363d1
SR		 4500}
4501
4502/**
4503 * _scsih_smart_predicted_fault - process smart errors
4504 * @ioc: per adapter object
4505 * @handle: device handle
4506 * Context: interrupt.
4507 *
4508 * Return nothing.
4509 */
4510static void
4511_scsih_smart_predicted_fault(struct MPT3SAS_ADAPTER *ioc, u16 handle)
4512{
4513 struct scsi_target *starget;
4514 struct MPT3SAS_TARGET *sas_target_priv_data;
4515 Mpi2EventNotificationReply_t *event_reply;
4516 Mpi2EventDataSasDeviceStatusChange_t *event_data;
4517 struct _sas_device *sas_device;
4518 ssize_t sz;
4519 unsigned long flags;
4520
4521 /* only handle non-raid devices */
4522 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49
SR		 4523 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
4524 if (!sas_device)
4525 goto out_unlock;
4526
f92363d1
SR		 4527 starget = sas_device->starget;
4528 sas_target_priv_data = starget->hostdata;
4529
4530 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) ||
d1cb5e49
SR		 4531 ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)))
4532 goto out_unlock;
4533
e6d45e3e
SR		 4534 if (sas_device->enclosure_handle != 0)
4535 starget_printk(KERN_INFO, starget, "predicted fault, "
4536 "enclosure logical id(0x%016llx), slot(%d)\n",
4537 (unsigned long long)sas_device->enclosure_logical_id,
4538 sas_device->slot);
4539 if (sas_device->connector_name[0] != '\0')
4540 starget_printk(KERN_WARNING, starget, "predicted fault, "
4541 "enclosure level(0x%04x), connector name( %s)\n",
4542 sas_device->enclosure_level,
4543 sas_device->connector_name);
f92363d1
SR		 4544 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4545
4546 if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM)
0f624c39 4547 _scsih_send_event_to_turn_on_pfa_led(ioc, handle);
f92363d1
SR		 4548
4549 /* insert into event log */
4550 sz = offsetof(Mpi2EventNotificationReply_t, EventData) +
4551 sizeof(Mpi2EventDataSasDeviceStatusChange_t);
4552 event_reply = kzalloc(sz, GFP_KERNEL);
4553 if (!event_reply) {
4554 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4555 ioc->name, __FILE__, __LINE__, __func__);
d1cb5e49 4556 goto out;
f92363d1
SR		 4557 }
4558
4559 event_reply->Function = MPI2_FUNCTION_EVENT_NOTIFICATION;
4560 event_reply->Event =
4561 cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE);
4562 event_reply->MsgLength = sz/4;
4563 event_reply->EventDataLength =
4564 cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t)/4);
4565 event_data = (Mpi2EventDataSasDeviceStatusChange_t *)
4566 event_reply->EventData;
4567 event_data->ReasonCode = MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA;
4568 event_data->ASC = 0x5D;
4569 event_data->DevHandle = cpu_to_le16(handle);
4570 event_data->SASAddress = cpu_to_le64(sas_target_priv_data->sas_address);
4571 mpt3sas_ctl_add_to_event_log(ioc, event_reply);
4572 kfree(event_reply);
d1cb5e49
SR		 4573out:
4574 if (sas_device)
4575 sas_device_put(sas_device);
4576 return;
4577
4578out_unlock:
4579 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4580 goto out;
f92363d1
SR		 4581}
4582
4583/**
4584 * _scsih_io_done - scsi request callback
4585 * @ioc: per adapter object
4586 * @smid: system request message index
4587 * @msix_index: MSIX table index supplied by the OS
4588 * @reply: reply message frame(lower 32bit addr)
4589 *
4590 * Callback handler when using _scsih_qcmd.
4591 *
4592 * Return 1 meaning mf should be freed from _base_interrupt
4593 * 0 means the mf is freed from this function.
4594 */
4595static u8
4596_scsih_io_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
4597{
4598 Mpi2SCSIIORequest_t *mpi_request;
4599 Mpi2SCSIIOReply_t *mpi_reply;
4600 struct scsi_cmnd *scmd;
4601 u16 ioc_status;
4602 u32 xfer_cnt;
4603 u8 scsi_state;
4604 u8 scsi_status;
4605 u32 log_info;
4606 struct MPT3SAS_DEVICE *sas_device_priv_data;
4607 u32 response_code = 0;
7786ab6a 4608 unsigned long flags;
f92363d1
SR		 4609
4610 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
4611 scmd = _scsih_scsi_lookup_get_clear(ioc, smid);
4612 if (scmd == NULL)
4613 return 1;
4614
4615 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
4616
4617 if (mpi_reply == NULL) {
4618 scmd->result = DID_OK << 16;
4619 goto out;
4620 }
4621
4622 sas_device_priv_data = scmd->device->hostdata;
4623 if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
4624 sas_device_priv_data->sas_target->deleted) {
4625 scmd->result = DID_NO_CONNECT << 16;
4626 goto out;
4627 }
4628 ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
4629
7786ab6a
SR		 4630 /*
4631 * WARPDRIVE: If direct_io is set then it is directIO,
4632 * the failed direct I/O should be redirected to volume
4633 */
c84b06a4 4634 if (mpt3sas_scsi_direct_io_get(ioc, smid) &&
7786ab6a
SR		 4635 ((ioc_status & MPI2_IOCSTATUS_MASK)
4636 != MPI2_IOCSTATUS_SCSI_TASK_TERMINATED)) {
4637 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
4638 ioc->scsi_lookup[smid - 1].scmd = scmd;
4639 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
c84b06a4 4640 mpt3sas_scsi_direct_io_set(ioc, smid, 0);
7786ab6a
SR		 4641 memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len);
4642 mpi_request->DevHandle =
4643 cpu_to_le16(sas_device_priv_data->sas_target->handle);
4644 mpt3sas_base_put_smid_scsi_io(ioc, smid,
4645 sas_device_priv_data->sas_target->handle);
4646 return 0;
4647 }
f92363d1
SR		 4648 /* turning off TLR */
4649 scsi_state = mpi_reply->SCSIState;
4650 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
4651 response_code =
4652 le32_to_cpu(mpi_reply->ResponseInfo) & 0xFF;
4653 if (!sas_device_priv_data->tlr_snoop_check) {
4654 sas_device_priv_data->tlr_snoop_check++;
7786ab6a
SR		 4655 if (!ioc->is_warpdrive &&
4656 !scsih_is_raid(&scmd->device->sdev_gendev) &&
c84b06a4
SR		 4657 sas_is_tlr_enabled(scmd->device) &&
4658 response_code == MPI2_SCSITASKMGMT_RSP_INVALID_FRAME) {
4659 sas_disable_tlr(scmd->device);
4660 sdev_printk(KERN_INFO, scmd->device, "TLR disabled\n");
4661 }
f92363d1
SR		 4662 }
4663
4664 xfer_cnt = le32_to_cpu(mpi_reply->TransferCount);
4665 scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt);
4666 if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
4667 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
4668 else
4669 log_info = 0;
4670 ioc_status &= MPI2_IOCSTATUS_MASK;
4671 scsi_status = mpi_reply->SCSIStatus;
4672
4673 if (ioc_status == MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
4674 (scsi_status == MPI2_SCSI_STATUS_BUSY ||
4675 scsi_status == MPI2_SCSI_STATUS_RESERVATION_CONFLICT ||
4676 scsi_status == MPI2_SCSI_STATUS_TASK_SET_FULL)) {
4677 ioc_status = MPI2_IOCSTATUS_SUCCESS;
4678 }
4679
4680 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
4681 struct sense_info data;
4682 const void *sense_data = mpt3sas_base_get_sense_buffer(ioc,
4683 smid);
4684 u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE,
4685 le32_to_cpu(mpi_reply->SenseCount));
4686 memcpy(scmd->sense_buffer, sense_data, sz);
4687 _scsih_normalize_sense(scmd->sense_buffer, &data);
4688 /* failure prediction threshold exceeded */
4689 if (data.asc == 0x5D)
4690 _scsih_smart_predicted_fault(ioc,
4691 le16_to_cpu(mpi_reply->DevHandle));
4692 mpt3sas_trigger_scsi(ioc, data.skey, data.asc, data.ascq);
f92363d1 4693
e6d45e3e
SR		 4694 if (!(ioc->logging_level & MPT_DEBUG_REPLY) &&
4695 ((scmd->sense_buffer[2] == UNIT_ATTENTION) ||
4696 (scmd->sense_buffer[2] == MEDIUM_ERROR) ||
4697 (scmd->sense_buffer[2] == HARDWARE_ERROR)))
4698 _scsih_scsi_ioc_info(ioc, scmd, mpi_reply, smid);
e6d45e3e 4699 }
f92363d1
SR		 4700 switch (ioc_status) {
4701 case MPI2_IOCSTATUS_BUSY:
4702 case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES:
4703 scmd->result = SAM_STAT_BUSY;
4704 break;
4705
4706 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
4707 scmd->result = DID_NO_CONNECT << 16;
4708 break;
4709
4710 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
4711 if (sas_device_priv_data->block) {
4712 scmd->result = DID_TRANSPORT_DISRUPTED << 16;
4713 goto out;
4714 }
4715 if (log_info == 0x31110630) {
4716 if (scmd->retries > 2) {
4717 scmd->result = DID_NO_CONNECT << 16;
4718 scsi_device_set_state(scmd->device,
4719 SDEV_OFFLINE);
4720 } else {
4721 scmd->result = DID_SOFT_ERROR << 16;
4722 scmd->device->expecting_cc_ua = 1;
4723 }
4724 break;
3898f08e
SR		 4725 } else if (log_info == VIRTUAL_IO_FAILED_RETRY) {
4726 scmd->result = DID_RESET << 16;
4727 break;
f92363d1
SR		 4728 }
4729 scmd->result = DID_SOFT_ERROR << 16;
4730 break;
4731 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
4732 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
4733 scmd->result = DID_RESET << 16;
4734 break;
4735
4736 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
4737 if ((xfer_cnt == 0) || (scmd->underflow > xfer_cnt))
4738 scmd->result = DID_SOFT_ERROR << 16;
4739 else
4740 scmd->result = (DID_OK << 16) | scsi_status;
4741 break;
4742
4743 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
4744 scmd->result = (DID_OK << 16) | scsi_status;
4745
4746 if ((scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID))
4747 break;
4748
4749 if (xfer_cnt < scmd->underflow) {
4750 if (scsi_status == SAM_STAT_BUSY)
4751 scmd->result = SAM_STAT_BUSY;
4752 else
4753 scmd->result = DID_SOFT_ERROR << 16;
4754 } else if (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
4755 MPI2_SCSI_STATE_NO_SCSI_STATUS))
4756 scmd->result = DID_SOFT_ERROR << 16;
4757 else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
4758 scmd->result = DID_RESET << 16;
4759 else if (!xfer_cnt && scmd->cmnd[0] == REPORT_LUNS) {
4760 mpi_reply->SCSIState = MPI2_SCSI_STATE_AUTOSENSE_VALID;
4761 mpi_reply->SCSIStatus = SAM_STAT_CHECK_CONDITION;
4762 scmd->result = (DRIVER_SENSE << 24) |
4763 SAM_STAT_CHECK_CONDITION;
4764 scmd->sense_buffer[0] = 0x70;
4765 scmd->sense_buffer[2] = ILLEGAL_REQUEST;
4766 scmd->sense_buffer[12] = 0x20;
4767 scmd->sense_buffer[13] = 0;
4768 }
4769 break;
4770
4771 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
4772 scsi_set_resid(scmd, 0);
4773 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
4774 case MPI2_IOCSTATUS_SUCCESS:
4775 scmd->result = (DID_OK << 16) | scsi_status;
4776 if (response_code ==
4777 MPI2_SCSITASKMGMT_RSP_INVALID_FRAME ||
4778 (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
4779 MPI2_SCSI_STATE_NO_SCSI_STATUS)))
4780 scmd->result = DID_SOFT_ERROR << 16;
4781 else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
4782 scmd->result = DID_RESET << 16;
4783 break;
4784
4785 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
4786 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
4787 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
4788 _scsih_eedp_error_handling(scmd, ioc_status);
4789 break;
4790
4791 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
4792 case MPI2_IOCSTATUS_INVALID_FUNCTION:
4793 case MPI2_IOCSTATUS_INVALID_SGL:
4794 case MPI2_IOCSTATUS_INTERNAL_ERROR:
4795 case MPI2_IOCSTATUS_INVALID_FIELD:
4796 case MPI2_IOCSTATUS_INVALID_STATE:
4797 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
4798 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
b130b0d5 4799 case MPI2_IOCSTATUS_INSUFFICIENT_POWER:
f92363d1
SR		 4800 default:
4801 scmd->result = DID_SOFT_ERROR << 16;
4802 break;
4803
4804 }
4805
f92363d1
SR		 4806 if (scmd->result && (ioc->logging_level & MPT_DEBUG_REPLY))
4807 _scsih_scsi_ioc_info(ioc , scmd, mpi_reply, smid);
f92363d1
SR		 4808
4809 out:
4810
4811 scsi_dma_unmap(scmd);
4812
4813 scmd->scsi_done(scmd);
4814 return 1;
4815}
4816
4817/**
4818 * _scsih_sas_host_refresh - refreshing sas host object contents
4819 * @ioc: per adapter object
4820 * Context: user
4821 *
4822 * During port enable, fw will send topology events for every device. Its
4823 * possible that the handles may change from the previous setting, so this
4824 * code keeping handles updating if changed.
4825 *
4826 * Return nothing.
4827 */
4828static void
4829_scsih_sas_host_refresh(struct MPT3SAS_ADAPTER *ioc)
4830{
4831 u16 sz;
4832 u16 ioc_status;
4833 int i;
4834 Mpi2ConfigReply_t mpi_reply;
4835 Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
4836 u16 attached_handle;
4837 u8 link_rate;
4838
4839 dtmprintk(ioc, pr_info(MPT3SAS_FMT
4840 "updating handles for sas_host(0x%016llx)\n",
4841 ioc->name, (unsigned long long)ioc->sas_hba.sas_address));
4842
4843 sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys
4844 * sizeof(Mpi2SasIOUnit0PhyData_t));
4845 sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
4846 if (!sas_iounit_pg0) {
4847 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4848 ioc->name, __FILE__, __LINE__, __func__);
4849 return;
4850 }
4851
4852 if ((mpt3sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
4853 sas_iounit_pg0, sz)) != 0)
4854 goto out;
4855 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
4856 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
4857 goto out;
4858 for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
4859 link_rate = sas_iounit_pg0->PhyData[i].NegotiatedLinkRate >> 4;
4860 if (i == 0)
4861 ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0->
4862 PhyData[0].ControllerDevHandle);
4863 ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
4864 attached_handle = le16_to_cpu(sas_iounit_pg0->PhyData[i].
4865 AttachedDevHandle);
4866 if (attached_handle && link_rate < MPI2_SAS_NEG_LINK_RATE_1_5)
4867 link_rate = MPI2_SAS_NEG_LINK_RATE_1_5;
4868 mpt3sas_transport_update_links(ioc, ioc->sas_hba.sas_address,
4869 attached_handle, i, link_rate);
4870 }
4871 out:
4872 kfree(sas_iounit_pg0);
4873}
4874
4875/**
4876 * _scsih_sas_host_add - create sas host object
4877 * @ioc: per adapter object
4878 *
4879 * Creating host side data object, stored in ioc->sas_hba
4880 *
4881 * Return nothing.
4882 */
4883static void
4884_scsih_sas_host_add(struct MPT3SAS_ADAPTER *ioc)
4885{
4886 int i;
4887 Mpi2ConfigReply_t mpi_reply;
4888 Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
4889 Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
4890 Mpi2SasPhyPage0_t phy_pg0;
4891 Mpi2SasDevicePage0_t sas_device_pg0;
4892 Mpi2SasEnclosurePage0_t enclosure_pg0;
4893 u16 ioc_status;
4894 u16 sz;
4895 u8 device_missing_delay;
4896
4897 mpt3sas_config_get_number_hba_phys(ioc, &ioc->sas_hba.num_phys);
4898 if (!ioc->sas_hba.num_phys) {
4899 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4900 ioc->name, __FILE__, __LINE__, __func__);
4901 return;
4902 }
4903
4904 /* sas_iounit page 0 */
4905 sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys *
4906 sizeof(Mpi2SasIOUnit0PhyData_t));
4907 sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
4908 if (!sas_iounit_pg0) {
4909 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4910 ioc->name, __FILE__, __LINE__, __func__);
4911 return;
4912 }
4913 if ((mpt3sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
4914 sas_iounit_pg0, sz))) {
4915 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4916 ioc->name, __FILE__, __LINE__, __func__);
4917 goto out;
4918 }
4919 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
4920 MPI2_IOCSTATUS_MASK;
4921 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
4922 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4923 ioc->name, __FILE__, __LINE__, __func__);
4924 goto out;
4925 }
4926
4927 /* sas_iounit page 1 */
4928 sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys *
4929 sizeof(Mpi2SasIOUnit1PhyData_t));
4930 sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
4931 if (!sas_iounit_pg1) {
4932 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4933 ioc->name, __FILE__, __LINE__, __func__);
4934 goto out;
4935 }
4936 if ((mpt3sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
4937 sas_iounit_pg1, sz))) {
4938 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4939 ioc->name, __FILE__, __LINE__, __func__);
4940 goto out;
4941 }
4942 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
4943 MPI2_IOCSTATUS_MASK;
4944 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
4945 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4946 ioc->name, __FILE__, __LINE__, __func__);
4947 goto out;
4948 }
4949
4950 ioc->io_missing_delay =
4951 sas_iounit_pg1->IODeviceMissingDelay;
4952 device_missing_delay =
4953 sas_iounit_pg1->ReportDeviceMissingDelay;
4954 if (device_missing_delay & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
4955 ioc->device_missing_delay = (device_missing_delay &
4956 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
4957 else
4958 ioc->device_missing_delay = device_missing_delay &
4959 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
4960
4961 ioc->sas_hba.parent_dev = &ioc->shost->shost_gendev;
4962 ioc->sas_hba.phy = kcalloc(ioc->sas_hba.num_phys,
4963 sizeof(struct _sas_phy), GFP_KERNEL);
4964 if (!ioc->sas_hba.phy) {
4965 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4966 ioc->name, __FILE__, __LINE__, __func__);
4967 goto out;
4968 }
4969 for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
4970 if ((mpt3sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0,
4971 i))) {
4972 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4973 ioc->name, __FILE__, __LINE__, __func__);
4974 goto out;
4975 }
4976 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
4977 MPI2_IOCSTATUS_MASK;
4978 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
4979 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4980 ioc->name, __FILE__, __LINE__, __func__);
4981 goto out;
4982 }
4983
4984 if (i == 0)
4985 ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0->
4986 PhyData[0].ControllerDevHandle);
4987 ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
4988 ioc->sas_hba.phy[i].phy_id = i;
4989 mpt3sas_transport_add_host_phy(ioc, &ioc->sas_hba.phy[i],
4990 phy_pg0, ioc->sas_hba.parent_dev);
4991 }
4992 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
4993 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, ioc->sas_hba.handle))) {
4994 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4995 ioc->name, __FILE__, __LINE__, __func__);
4996 goto out;
4997 }
4998 ioc->sas_hba.enclosure_handle =
4999 le16_to_cpu(sas_device_pg0.EnclosureHandle);
5000 ioc->sas_hba.sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
5001 pr_info(MPT3SAS_FMT
5002 "host_add: handle(0x%04x), sas_addr(0x%016llx), phys(%d)\n",
5003 ioc->name, ioc->sas_hba.handle,
5004 (unsigned long long) ioc->sas_hba.sas_address,
5005 ioc->sas_hba.num_phys) ;
5006
5007 if (ioc->sas_hba.enclosure_handle) {
5008 if (!(mpt3sas_config_get_enclosure_pg0(ioc, &mpi_reply,
5009 &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
5010 ioc->sas_hba.enclosure_handle)))
5011 ioc->sas_hba.enclosure_logical_id =
5012 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
5013 }
5014
5015 out:
5016 kfree(sas_iounit_pg1);
5017 kfree(sas_iounit_pg0);
5018}
5019
5020/**
5021 * _scsih_expander_add - creating expander object
5022 * @ioc: per adapter object
5023 * @handle: expander handle
5024 *
5025 * Creating expander object, stored in ioc->sas_expander_list.
5026 *
5027 * Return 0 for success, else error.
5028 */
5029static int
5030_scsih_expander_add(struct MPT3SAS_ADAPTER *ioc, u16 handle)
5031{
5032 struct _sas_node *sas_expander;
5033 Mpi2ConfigReply_t mpi_reply;
5034 Mpi2ExpanderPage0_t expander_pg0;
5035 Mpi2ExpanderPage1_t expander_pg1;
5036 Mpi2SasEnclosurePage0_t enclosure_pg0;
5037 u32 ioc_status;
5038 u16 parent_handle;
5039 u64 sas_address, sas_address_parent = 0;
5040 int i;
5041 unsigned long flags;
5042 struct _sas_port *mpt3sas_port = NULL;
5043
5044 int rc = 0;
5045
5046 if (!handle)
5047 return -1;
5048
5049 if (ioc->shost_recovery || ioc->pci_error_recovery)
5050 return -1;
5051
5052 if ((mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
5053 MPI2_SAS_EXPAND_PGAD_FORM_HNDL, handle))) {
5054 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5055 ioc->name, __FILE__, __LINE__, __func__);
5056 return -1;
5057 }
5058
5059 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
5060 MPI2_IOCSTATUS_MASK;
5061 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
5062 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5063 ioc->name, __FILE__, __LINE__, __func__);
5064 return -1;
5065 }
5066
5067 /* handle out of order topology events */
5068 parent_handle = le16_to_cpu(expander_pg0.ParentDevHandle);
5069 if (_scsih_get_sas_address(ioc, parent_handle, &sas_address_parent)
5070 != 0) {
5071 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5072 ioc->name, __FILE__, __LINE__, __func__);
5073 return -1;
5074 }
5075 if (sas_address_parent != ioc->sas_hba.sas_address) {
5076 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5077 sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc,
5078 sas_address_parent);
5079 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5080 if (!sas_expander) {
5081 rc = _scsih_expander_add(ioc, parent_handle);
5082 if (rc != 0)
5083 return rc;
5084 }
5085 }
5086
5087 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5088 sas_address = le64_to_cpu(expander_pg0.SASAddress);
5089 sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc,
5090 sas_address);
5091 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5092
5093 if (sas_expander)
5094 return 0;
5095
5096 sas_expander = kzalloc(sizeof(struct _sas_node),
5097 GFP_KERNEL);
5098 if (!sas_expander) {
5099 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5100 ioc->name, __FILE__, __LINE__, __func__);
5101 return -1;
5102 }
5103
5104 sas_expander->handle = handle;
5105 sas_expander->num_phys = expander_pg0.NumPhys;
5106 sas_expander->sas_address_parent = sas_address_parent;
5107 sas_expander->sas_address = sas_address;
5108
5109 pr_info(MPT3SAS_FMT "expander_add: handle(0x%04x)," \
5110 " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc->name,
5111 handle, parent_handle, (unsigned long long)
5112 sas_expander->sas_address, sas_expander->num_phys);
5113
5114 if (!sas_expander->num_phys)
5115 goto out_fail;
5116 sas_expander->phy = kcalloc(sas_expander->num_phys,
5117 sizeof(struct _sas_phy), GFP_KERNEL);
5118 if (!sas_expander->phy) {
5119 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5120 ioc->name, __FILE__, __LINE__, __func__);
5121 rc = -1;
5122 goto out_fail;
5123 }
5124
5125 INIT_LIST_HEAD(&sas_expander->sas_port_list);
5126 mpt3sas_port = mpt3sas_transport_port_add(ioc, handle,
5127 sas_address_parent);
5128 if (!mpt3sas_port) {
5129 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5130 ioc->name, __FILE__, __LINE__, __func__);
5131 rc = -1;
5132 goto out_fail;
5133 }
5134 sas_expander->parent_dev = &mpt3sas_port->rphy->dev;
5135
5136 for (i = 0 ; i < sas_expander->num_phys ; i++) {
5137 if ((mpt3sas_config_get_expander_pg1(ioc, &mpi_reply,
5138 &expander_pg1, i, handle))) {
5139 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5140 ioc->name, __FILE__, __LINE__, __func__);
5141 rc = -1;
5142 goto out_fail;
5143 }
5144 sas_expander->phy[i].handle = handle;
5145 sas_expander->phy[i].phy_id = i;
5146
5147 if ((mpt3sas_transport_add_expander_phy(ioc,
5148 &sas_expander->phy[i], expander_pg1,
5149 sas_expander->parent_dev))) {
5150 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5151 ioc->name, __FILE__, __LINE__, __func__);
5152 rc = -1;
5153 goto out_fail;
5154 }
5155 }
5156
5157 if (sas_expander->enclosure_handle) {
5158 if (!(mpt3sas_config_get_enclosure_pg0(ioc, &mpi_reply,
5159 &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
5160 sas_expander->enclosure_handle)))
5161 sas_expander->enclosure_logical_id =
5162 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
5163 }
5164
5165 _scsih_expander_node_add(ioc, sas_expander);
5166 return 0;
5167
5168 out_fail:
5169
5170 if (mpt3sas_port)
5171 mpt3sas_transport_port_remove(ioc, sas_expander->sas_address,
5172 sas_address_parent);
5173 kfree(sas_expander);
5174 return rc;
5175}
5176
5177/**
5178 * mpt3sas_expander_remove - removing expander object
5179 * @ioc: per adapter object
5180 * @sas_address: expander sas_address
5181 *
5182 * Return nothing.
5183 */
5184void
5185mpt3sas_expander_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address)
5186{
5187 struct _sas_node *sas_expander;
5188 unsigned long flags;
5189
5190 if (ioc->shost_recovery)
5191 return;
5192
5193 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5194 sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc,
5195 sas_address);
5196 if (sas_expander)
5197 list_del(&sas_expander->list);
5198 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5199 if (sas_expander)
5200 _scsih_expander_node_remove(ioc, sas_expander);
5201}
5202
5203/**
5204 * _scsih_done - internal SCSI_IO callback handler.
5205 * @ioc: per adapter object
5206 * @smid: system request message index
5207 * @msix_index: MSIX table index supplied by the OS
5208 * @reply: reply message frame(lower 32bit addr)
5209 *
5210 * Callback handler when sending internal generated SCSI_IO.
5211 * The callback index passed is `ioc->scsih_cb_idx`
5212 *
5213 * Return 1 meaning mf should be freed from _base_interrupt
5214 * 0 means the mf is freed from this function.
5215 */
5216static u8
5217_scsih_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
5218{
5219 MPI2DefaultReply_t *mpi_reply;
5220
5221 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
5222 if (ioc->scsih_cmds.status == MPT3_CMD_NOT_USED)
5223 return 1;
5224 if (ioc->scsih_cmds.smid != smid)
5225 return 1;
5226 ioc->scsih_cmds.status |= MPT3_CMD_COMPLETE;
5227 if (mpi_reply) {
5228 memcpy(ioc->scsih_cmds.reply, mpi_reply,
5229 mpi_reply->MsgLength*4);
5230 ioc->scsih_cmds.status |= MPT3_CMD_REPLY_VALID;
5231 }
5232 ioc->scsih_cmds.status &= ~MPT3_CMD_PENDING;
5233 complete(&ioc->scsih_cmds.done);
5234 return 1;
5235}
5236
5237
5238
5239
5240#define MPT3_MAX_LUNS (255)
5241
5242
5243/**
5244 * _scsih_check_access_status - check access flags
5245 * @ioc: per adapter object
5246 * @sas_address: sas address
5247 * @handle: sas device handle
5248 * @access_flags: errors returned during discovery of the device
5249 *
5250 * Return 0 for success, else failure
5251 */
5252static u8
5253_scsih_check_access_status(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
5254 u16 handle, u8 access_status)
5255{
5256 u8 rc = 1;
5257 char *desc = NULL;
5258
5259 switch (access_status) {
5260 case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS:
5261 case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION:
5262 rc = 0;
5263 break;
5264 case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED:
5265 desc = "sata capability failed";
5266 break;
5267 case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT:
5268 desc = "sata affiliation conflict";
5269 break;
5270 case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE:
5271 desc = "route not addressable";
5272 break;
5273 case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE:
5274 desc = "smp error not addressable";
5275 break;
5276 case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED:
5277 desc = "device blocked";
5278 break;
5279 case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED:
5280 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN:
5281 case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT:
5282 case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG:
5283 case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION:
5284 case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER:
5285 case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN:
5286 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN:
5287 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN:
5288 case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION:
5289 case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE:
5290 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX:
5291 desc = "sata initialization failed";
5292 break;
5293 default:
5294 desc = "unknown";
5295 break;
5296 }
5297
5298 if (!rc)
5299 return 0;
5300
5301 pr_err(MPT3SAS_FMT
5302 "discovery errors(%s): sas_address(0x%016llx), handle(0x%04x)\n",
5303 ioc->name, desc, (unsigned long long)sas_address, handle);
5304 return rc;
5305}
5306
5307/**
5308 * _scsih_check_device - checking device responsiveness
5309 * @ioc: per adapter object
5310 * @parent_sas_address: sas address of parent expander or sas host
5311 * @handle: attached device handle
5312 * @phy_numberv: phy number
5313 * @link_rate: new link rate
5314 *
5315 * Returns nothing.
5316 */
5317static void
5318_scsih_check_device(struct MPT3SAS_ADAPTER *ioc,
5319 u64 parent_sas_address, u16 handle, u8 phy_number, u8 link_rate)
5320{
5321 Mpi2ConfigReply_t mpi_reply;
5322 Mpi2SasDevicePage0_t sas_device_pg0;
5323 struct _sas_device *sas_device;
5324 u32 ioc_status;
5325 unsigned long flags;
5326 u64 sas_address;
5327 struct scsi_target *starget;
5328 struct MPT3SAS_TARGET *sas_target_priv_data;
5329 u32 device_info;
5330
5331
5332 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
5333 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle)))
5334 return;
5335
5336 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
5337 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
5338 return;
5339
5340 /* wide port handling ~ we need only handle device once for the phy that
5341 * is matched in sas device page zero
5342 */
5343 if (phy_number != sas_device_pg0.PhyNum)
5344 return;
5345
5346 /* check if this is end device */
5347 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
5348 if (!(_scsih_is_end_device(device_info)))
5349 return;
5350
5351 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5352 sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
d1cb5e49 5353 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
f92363d1
SR		 5354 sas_address);
5355
d1cb5e49
SR		 5356 if (!sas_device)
5357 goto out_unlock;
f92363d1
SR		 5358
5359 if (unlikely(sas_device->handle != handle)) {
5360 starget = sas_device->starget;
5361 sas_target_priv_data = starget->hostdata;
5362 starget_printk(KERN_INFO, starget,
5363 "handle changed from(0x%04x) to (0x%04x)!!!\n",
5364 sas_device->handle, handle);
5365 sas_target_priv_data->handle = handle;
5366 sas_device->handle = handle;
e6d45e3e
SR		 5367 if (sas_device_pg0.Flags &
5368 MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
5369 sas_device->enclosure_level =
5370 le16_to_cpu(sas_device_pg0.EnclosureLevel);
5371 memcpy(&sas_device->connector_name[0],
5372 &sas_device_pg0.ConnectorName[0], 4);
5373 } else {
5374 sas_device->enclosure_level = 0;
5375 sas_device->connector_name[0] = '\0';
5376 }
f92363d1
SR		 5377 }
5378
5379 /* check if device is present */
5380 if (!(le16_to_cpu(sas_device_pg0.Flags) &
5381 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
5382 pr_err(MPT3SAS_FMT
5383 "device is not present handle(0x%04x), flags!!!\n",
5384 ioc->name, handle);
d1cb5e49 5385 goto out_unlock;
f92363d1
SR		 5386 }
5387
5388 /* check if there were any issues with discovery */
5389 if (_scsih_check_access_status(ioc, sas_address, handle,
d1cb5e49
SR		 5390 sas_device_pg0.AccessStatus))
5391 goto out_unlock;
f92363d1
SR		 5392
5393 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5394 _scsih_ublock_io_device(ioc, sas_address);
5395
d1cb5e49
SR		 5396 if (sas_device)
5397 sas_device_put(sas_device);
5398 return;
5399
5400out_unlock:
5401 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5402 if (sas_device)
5403 sas_device_put(sas_device);
f92363d1
SR		 5404}
5405
5406/**
5407 * _scsih_add_device - creating sas device object
5408 * @ioc: per adapter object
5409 * @handle: sas device handle
5410 * @phy_num: phy number end device attached to
5411 * @is_pd: is this hidden raid component
5412 *
5413 * Creating end device object, stored in ioc->sas_device_list.
5414 *
5415 * Returns 0 for success, non-zero for failure.
5416 */
5417static int
5418_scsih_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phy_num,
5419 u8 is_pd)
5420{
5421 Mpi2ConfigReply_t mpi_reply;
5422 Mpi2SasDevicePage0_t sas_device_pg0;
5423 Mpi2SasEnclosurePage0_t enclosure_pg0;
5424 struct _sas_device *sas_device;
5425 u32 ioc_status;
5426 u64 sas_address;
5427 u32 device_info;
f92363d1
SR		 5428
5429 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
5430 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
5431 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5432 ioc->name, __FILE__, __LINE__, __func__);
5433 return -1;
5434 }
5435
5436 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
5437 MPI2_IOCSTATUS_MASK;
5438 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
5439 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5440 ioc->name, __FILE__, __LINE__, __func__);
5441 return -1;
5442 }
5443
5444 /* check if this is end device */
5445 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
5446 if (!(_scsih_is_end_device(device_info)))
5447 return -1;
5448 sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
5449
5450 /* check if device is present */
5451 if (!(le16_to_cpu(sas_device_pg0.Flags) &
5452 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
5453 pr_err(MPT3SAS_FMT "device is not present handle(0x04%x)!!!\n",
5454 ioc->name, handle);
5455 return -1;
5456 }
5457
5458 /* check if there were any issues with discovery */
5459 if (_scsih_check_access_status(ioc, sas_address, handle,
5460 sas_device_pg0.AccessStatus))
5461 return -1;
5462
d1cb5e49
SR		 5463 sas_device = mpt3sas_get_sdev_by_addr(ioc,
5464 sas_address);
5465 if (sas_device) {
5466 sas_device_put(sas_device);
f92363d1 5467 return -1;
d1cb5e49 5468 }
f92363d1
SR		 5469
5470 sas_device = kzalloc(sizeof(struct _sas_device),
5471 GFP_KERNEL);
5472 if (!sas_device) {
5473 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5474 ioc->name, __FILE__, __LINE__, __func__);
5475 return 0;
5476 }
5477
d1cb5e49 5478 kref_init(&sas_device->refcount);
f92363d1
SR		 5479 sas_device->handle = handle;
5480 if (_scsih_get_sas_address(ioc,
5481 le16_to_cpu(sas_device_pg0.ParentDevHandle),
5482 &sas_device->sas_address_parent) != 0)
5483 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5484 ioc->name, __FILE__, __LINE__, __func__);
5485 sas_device->enclosure_handle =
5486 le16_to_cpu(sas_device_pg0.EnclosureHandle);
e6d45e3e
SR		 5487 if (sas_device->enclosure_handle != 0)
5488 sas_device->slot =
5489 le16_to_cpu(sas_device_pg0.Slot);
f92363d1
SR		 5490 sas_device->device_info = device_info;
5491 sas_device->sas_address = sas_address;
5492 sas_device->phy = sas_device_pg0.PhyNum;
5493 sas_device->fast_path = (le16_to_cpu(sas_device_pg0.Flags) &
5494 MPI25_SAS_DEVICE0_FLAGS_FAST_PATH_CAPABLE) ? 1 : 0;
5495
e6d45e3e
SR		 5496 if (sas_device_pg0.Flags & MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
5497 sas_device->enclosure_level =
5498 le16_to_cpu(sas_device_pg0.EnclosureLevel);
5499 memcpy(&sas_device->connector_name[0],
5500 &sas_device_pg0.ConnectorName[0], 4);
5501 } else {
5502 sas_device->enclosure_level = 0;
5503 sas_device->connector_name[0] = '\0';
5504 }
f92363d1
SR		 5505 /* get enclosure_logical_id */
5506 if (sas_device->enclosure_handle && !(mpt3sas_config_get_enclosure_pg0(
5507 ioc, &mpi_reply, &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
5508 sas_device->enclosure_handle)))
5509 sas_device->enclosure_logical_id =
5510 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
5511
5512 /* get device name */
5513 sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName);
5514
5515 if (ioc->wait_for_discovery_to_complete)
5516 _scsih_sas_device_init_add(ioc, sas_device);
5517 else
5518 _scsih_sas_device_add(ioc, sas_device);
5519
d1cb5e49 5520 sas_device_put(sas_device);
f92363d1
SR		 5521 return 0;
5522}
5523
5524/**
5525 * _scsih_remove_device - removing sas device object
5526 * @ioc: per adapter object
5527 * @sas_device_delete: the sas_device object
5528 *
5529 * Return nothing.
5530 */
5531static void
5532_scsih_remove_device(struct MPT3SAS_ADAPTER *ioc,
5533 struct _sas_device *sas_device)
5534{
5535 struct MPT3SAS_TARGET *sas_target_priv_data;
5536
0f624c39
SR		 5537 if ((ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) &&
5538 (sas_device->pfa_led_on)) {
5539 _scsih_turn_off_pfa_led(ioc, sas_device);
5540 sas_device->pfa_led_on = 0;
5541 }
f92363d1
SR		 5542 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5543 "%s: enter: handle(0x%04x), sas_addr(0x%016llx)\n",
5544 ioc->name, __func__,
5545 sas_device->handle, (unsigned long long)
5546 sas_device->sas_address));
e6d45e3e
SR		 5547 if (sas_device->enclosure_handle != 0)
5548 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5549 "%s: enter: enclosure logical id(0x%016llx), slot(%d)\n",
5550 ioc->name, __func__,
5551 (unsigned long long)sas_device->enclosure_logical_id,
5552 sas_device->slot));
5553 if (sas_device->connector_name[0] != '\0')
5554 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5555 "%s: enter: enclosure level(0x%04x), connector name( %s)\n",
5556 ioc->name, __func__,
5557 sas_device->enclosure_level,
5558 sas_device->connector_name));
f92363d1
SR		 5559
5560 if (sas_device->starget && sas_device->starget->hostdata) {
5561 sas_target_priv_data = sas_device->starget->hostdata;
5562 sas_target_priv_data->deleted = 1;
5563 _scsih_ublock_io_device(ioc, sas_device->sas_address);
5564 sas_target_priv_data->handle =
5565 MPT3SAS_INVALID_DEVICE_HANDLE;
5566 }
7786ab6a
SR		 5567
5568 if (!ioc->hide_drives)
5569 mpt3sas_transport_port_remove(ioc,
f92363d1
SR		 5570 sas_device->sas_address,
5571 sas_device->sas_address_parent);
5572
5573 pr_info(MPT3SAS_FMT
5574 "removing handle(0x%04x), sas_addr(0x%016llx)\n",
5575 ioc->name, sas_device->handle,
5576 (unsigned long long) sas_device->sas_address);
e6d45e3e
SR		 5577 if (sas_device->enclosure_handle != 0)
5578 pr_info(MPT3SAS_FMT
5579 "removing : enclosure logical id(0x%016llx), slot(%d)\n",
5580 ioc->name,
5581 (unsigned long long)sas_device->enclosure_logical_id,
5582 sas_device->slot);
5583 if (sas_device->connector_name[0] != '\0')
5584 pr_info(MPT3SAS_FMT
5585 "removing enclosure level(0x%04x), connector name( %s)\n",
5586 ioc->name, sas_device->enclosure_level,
5587 sas_device->connector_name);
f92363d1
SR		 5588
5589 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5590 "%s: exit: handle(0x%04x), sas_addr(0x%016llx)\n",
5591 ioc->name, __func__,
e6d45e3e
SR		 5592 sas_device->handle, (unsigned long long)
5593 sas_device->sas_address));
5594 if (sas_device->enclosure_handle != 0)
5595 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5596 "%s: exit: enclosure logical id(0x%016llx), slot(%d)\n",
5597 ioc->name, __func__,
5598 (unsigned long long)sas_device->enclosure_logical_id,
5599 sas_device->slot));
5600 if (sas_device->connector_name[0] != '\0')
5601 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5602 "%s: exit: enclosure level(0x%04x), connector name(%s)\n",
5603 ioc->name, __func__, sas_device->enclosure_level,
5604 sas_device->connector_name));
f92363d1
SR		 5605}
5606
f92363d1
SR		 5607/**
5608 * _scsih_sas_topology_change_event_debug - debug for topology event
5609 * @ioc: per adapter object
5610 * @event_data: event data payload
5611 * Context: user.
5612 */
5613static void
5614_scsih_sas_topology_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
5615 Mpi2EventDataSasTopologyChangeList_t *event_data)
5616{
5617 int i;
5618 u16 handle;
5619 u16 reason_code;
5620 u8 phy_number;
5621 char *status_str = NULL;
5622 u8 link_rate, prev_link_rate;
5623
5624 switch (event_data->ExpStatus) {
5625 case MPI2_EVENT_SAS_TOPO_ES_ADDED:
5626 status_str = "add";
5627 break;
5628 case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING:
5629 status_str = "remove";
5630 break;
5631 case MPI2_EVENT_SAS_TOPO_ES_RESPONDING:
5632 case 0:
5633 status_str = "responding";
5634 break;
5635 case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING:
5636 status_str = "remove delay";
5637 break;
5638 default:
5639 status_str = "unknown status";
5640 break;
5641 }
5642 pr_info(MPT3SAS_FMT "sas topology change: (%s)\n",
5643 ioc->name, status_str);
5644 pr_info("\thandle(0x%04x), enclosure_handle(0x%04x) " \
5645 "start_phy(%02d), count(%d)\n",
5646 le16_to_cpu(event_data->ExpanderDevHandle),
5647 le16_to_cpu(event_data->EnclosureHandle),
5648 event_data->StartPhyNum, event_data->NumEntries);
5649 for (i = 0; i < event_data->NumEntries; i++) {
5650 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
5651 if (!handle)
5652 continue;
5653 phy_number = event_data->StartPhyNum + i;
5654 reason_code = event_data->PHY[i].PhyStatus &
5655 MPI2_EVENT_SAS_TOPO_RC_MASK;
5656 switch (reason_code) {
5657 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
5658 status_str = "target add";
5659 break;
5660 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
5661 status_str = "target remove";
5662 break;
5663 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
5664 status_str = "delay target remove";
5665 break;
5666 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
5667 status_str = "link rate change";
5668 break;
5669 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
5670 status_str = "target responding";
5671 break;
5672 default:
5673 status_str = "unknown";
5674 break;
5675 }
5676 link_rate = event_data->PHY[i].LinkRate >> 4;
5677 prev_link_rate = event_data->PHY[i].LinkRate & 0xF;
5678 pr_info("\tphy(%02d), attached_handle(0x%04x): %s:" \
5679 " link rate: new(0x%02x), old(0x%02x)\n", phy_number,
5680 handle, status_str, link_rate, prev_link_rate);
5681
5682 }
5683}
f92363d1
SR		 5684
5685/**
5686 * _scsih_sas_topology_change_event - handle topology changes
5687 * @ioc: per adapter object
5688 * @fw_event: The fw_event_work object
5689 * Context: user.
5690 *
5691 */
5692static int
5693_scsih_sas_topology_change_event(struct MPT3SAS_ADAPTER *ioc,
5694 struct fw_event_work *fw_event)
5695{
5696 int i;
5697 u16 parent_handle, handle;
5698 u16 reason_code;
5699 u8 phy_number, max_phys;
5700 struct _sas_node *sas_expander;
5701 u64 sas_address;
5702 unsigned long flags;
5703 u8 link_rate, prev_link_rate;
35b62362
JL		 5704 Mpi2EventDataSasTopologyChangeList_t *event_data =
5705 (Mpi2EventDataSasTopologyChangeList_t *)
5706 fw_event->event_data;
f92363d1 5707
f92363d1
SR		 5708 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
5709 _scsih_sas_topology_change_event_debug(ioc, event_data);
f92363d1
SR		 5710
5711 if (ioc->shost_recovery || ioc->remove_host || ioc->pci_error_recovery)
5712 return 0;
5713
5714 if (!ioc->sas_hba.num_phys)
5715 _scsih_sas_host_add(ioc);
5716 else
5717 _scsih_sas_host_refresh(ioc);
5718
5719 if (fw_event->ignore) {
5720 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5721 "ignoring expander event\n", ioc->name));
5722 return 0;
5723 }
5724
5725 parent_handle = le16_to_cpu(event_data->ExpanderDevHandle);
5726
5727 /* handle expander add */
5728 if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_ADDED)
5729 if (_scsih_expander_add(ioc, parent_handle) != 0)
5730 return 0;
5731
5732 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5733 sas_expander = mpt3sas_scsih_expander_find_by_handle(ioc,
5734 parent_handle);
5735 if (sas_expander) {
5736 sas_address = sas_expander->sas_address;
5737 max_phys = sas_expander->num_phys;
5738 } else if (parent_handle < ioc->sas_hba.num_phys) {
5739 sas_address = ioc->sas_hba.sas_address;
5740 max_phys = ioc->sas_hba.num_phys;
5741 } else {
5742 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5743 return 0;
5744 }
5745 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5746
5747 /* handle siblings events */
5748 for (i = 0; i < event_data->NumEntries; i++) {
5749 if (fw_event->ignore) {
5750 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5751 "ignoring expander event\n", ioc->name));
5752 return 0;
5753 }
5754 if (ioc->remove_host || ioc->pci_error_recovery)
5755 return 0;
5756 phy_number = event_data->StartPhyNum + i;
5757 if (phy_number >= max_phys)
5758 continue;
5759 reason_code = event_data->PHY[i].PhyStatus &
5760 MPI2_EVENT_SAS_TOPO_RC_MASK;
5761 if ((event_data->PHY[i].PhyStatus &
5762 MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) && (reason_code !=
5763 MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING))
5764 continue;
5765 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
5766 if (!handle)
5767 continue;
5768 link_rate = event_data->PHY[i].LinkRate >> 4;
5769 prev_link_rate = event_data->PHY[i].LinkRate & 0xF;
5770 switch (reason_code) {
5771 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
5772
5773 if (ioc->shost_recovery)
5774 break;
5775
5776 if (link_rate == prev_link_rate)
5777 break;
5778
5779 mpt3sas_transport_update_links(ioc, sas_address,
5780 handle, phy_number, link_rate);
5781
5782 if (link_rate < MPI2_SAS_NEG_LINK_RATE_1_5)
5783 break;
5784
5785 _scsih_check_device(ioc, sas_address, handle,
5786 phy_number, link_rate);
5787
5788
5789 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
5790
5791 if (ioc->shost_recovery)
5792 break;
5793
5794 mpt3sas_transport_update_links(ioc, sas_address,
5795 handle, phy_number, link_rate);
5796
5797 _scsih_add_device(ioc, handle, phy_number, 0);
5798
5799 break;
5800 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
5801
5802 _scsih_device_remove_by_handle(ioc, handle);
5803 break;
5804 }
5805 }
5806
5807 /* handle expander removal */
5808 if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING &&
5809 sas_expander)
5810 mpt3sas_expander_remove(ioc, sas_address);
5811
5812 return 0;
5813}
5814
f92363d1
SR		 5815/**
5816 * _scsih_sas_device_status_change_event_debug - debug for device event
5817 * @event_data: event data payload
5818 * Context: user.
5819 *
5820 * Return nothing.
5821 */
5822static void
5823_scsih_sas_device_status_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
5824 Mpi2EventDataSasDeviceStatusChange_t *event_data)
5825{
5826 char *reason_str = NULL;
5827
5828 switch (event_data->ReasonCode) {
5829 case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
5830 reason_str = "smart data";
5831 break;
5832 case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED:
5833 reason_str = "unsupported device discovered";
5834 break;
5835 case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
5836 reason_str = "internal device reset";
5837 break;
5838 case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL:
5839 reason_str = "internal task abort";
5840 break;
5841 case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL:
5842 reason_str = "internal task abort set";
5843 break;
5844 case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL:
5845 reason_str = "internal clear task set";
5846 break;
5847 case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL:
5848 reason_str = "internal query task";
5849 break;
5850 case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE:
5851 reason_str = "sata init failure";
5852 break;
5853 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET:
5854 reason_str = "internal device reset complete";
5855 break;
5856 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL:
5857 reason_str = "internal task abort complete";
5858 break;
5859 case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION:
5860 reason_str = "internal async notification";
5861 break;
5862 case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY:
5863 reason_str = "expander reduced functionality";
5864 break;
5865 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY:
5866 reason_str = "expander reduced functionality complete";
5867 break;
5868 default:
5869 reason_str = "unknown reason";
5870 break;
5871 }
5872 pr_info(MPT3SAS_FMT "device status change: (%s)\n"
5873 "\thandle(0x%04x), sas address(0x%016llx), tag(%d)",
5874 ioc->name, reason_str, le16_to_cpu(event_data->DevHandle),
5875 (unsigned long long)le64_to_cpu(event_data->SASAddress),
5876 le16_to_cpu(event_data->TaskTag));
5877 if (event_data->ReasonCode == MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA)
5878 pr_info(MPT3SAS_FMT ", ASC(0x%x), ASCQ(0x%x)\n", ioc->name,
5879 event_data->ASC, event_data->ASCQ);
5880 pr_info("\n");
5881}
f92363d1
SR		 5882
5883/**
5884 * _scsih_sas_device_status_change_event - handle device status change
5885 * @ioc: per adapter object
5886 * @fw_event: The fw_event_work object
5887 * Context: user.
5888 *
5889 * Return nothing.
5890 */
5891static void
5892_scsih_sas_device_status_change_event(struct MPT3SAS_ADAPTER *ioc,
5893 struct fw_event_work *fw_event)
5894{
5895 struct MPT3SAS_TARGET *target_priv_data;
5896 struct _sas_device *sas_device;
5897 u64 sas_address;
5898 unsigned long flags;
5899 Mpi2EventDataSasDeviceStatusChange_t *event_data =
35b62362
JL		 5900 (Mpi2EventDataSasDeviceStatusChange_t *)
5901 fw_event->event_data;
f92363d1 5902
f92363d1
SR		 5903 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
5904 _scsih_sas_device_status_change_event_debug(ioc,
5905 event_data);
f92363d1
SR		 5906
5907 /* In MPI Revision K (0xC), the internal device reset complete was
5908 * implemented, so avoid setting tm_busy flag for older firmware.
5909 */
5910 if ((ioc->facts.HeaderVersion >> 8) < 0xC)
5911 return;
5912
5913 if (event_data->ReasonCode !=
5914 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET &&
5915 event_data->ReasonCode !=
5916 MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET)
5917 return;
5918
5919 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5920 sas_address = le64_to_cpu(event_data->SASAddress);
d1cb5e49 5921 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
f92363d1
SR		 5922 sas_address);
5923
d1cb5e49
SR		 5924 if (!sas_device || !sas_device->starget)
5925 goto out;
f92363d1
SR		 5926
5927 target_priv_data = sas_device->starget->hostdata;
d1cb5e49
SR		 5928 if (!target_priv_data)
5929 goto out;
f92363d1
SR		 5930
5931 if (event_data->ReasonCode ==
5932 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET)
5933 target_priv_data->tm_busy = 1;
5934 else
5935 target_priv_data->tm_busy = 0;
d1cb5e49
SR		 5936
5937out:
5938 if (sas_device)
5939 sas_device_put(sas_device);
5940
f92363d1 5941 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
d1cb5e49 5942
f92363d1
SR		 5943}
5944
f92363d1
SR		 5945/**
5946 * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure
5947 * event
5948 * @ioc: per adapter object
5949 * @event_data: event data payload
5950 * Context: user.
5951 *
5952 * Return nothing.
5953 */
5954static void
5955_scsih_sas_enclosure_dev_status_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
5956 Mpi2EventDataSasEnclDevStatusChange_t *event_data)
5957{
5958 char *reason_str = NULL;
5959
5960 switch (event_data->ReasonCode) {
5961 case MPI2_EVENT_SAS_ENCL_RC_ADDED:
5962 reason_str = "enclosure add";
5963 break;
5964 case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING:
5965 reason_str = "enclosure remove";
5966 break;
5967 default:
5968 reason_str = "unknown reason";
5969 break;
5970 }
5971
5972 pr_info(MPT3SAS_FMT "enclosure status change: (%s)\n"
5973 "\thandle(0x%04x), enclosure logical id(0x%016llx)"
5974 " number slots(%d)\n", ioc->name, reason_str,
5975 le16_to_cpu(event_data->EnclosureHandle),
5976 (unsigned long long)le64_to_cpu(event_data->EnclosureLogicalID),
5977 le16_to_cpu(event_data->StartSlot));
5978}
f92363d1
SR		 5979
5980/**
5981 * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events
5982 * @ioc: per adapter object
5983 * @fw_event: The fw_event_work object
5984 * Context: user.
5985 *
5986 * Return nothing.
5987 */
5988static void
5989_scsih_sas_enclosure_dev_status_change_event(struct MPT3SAS_ADAPTER *ioc,
5990 struct fw_event_work *fw_event)
5991{
f92363d1
SR		 5992 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
5993 _scsih_sas_enclosure_dev_status_change_event_debug(ioc,
35b62362 5994 (Mpi2EventDataSasEnclDevStatusChange_t *)
f92363d1 5995 fw_event->event_data);
f92363d1
SR		 5996}
5997
5998/**
5999 * _scsih_sas_broadcast_primitive_event - handle broadcast events
6000 * @ioc: per adapter object
6001 * @fw_event: The fw_event_work object
6002 * Context: user.
6003 *
6004 * Return nothing.
6005 */
6006static void
6007_scsih_sas_broadcast_primitive_event(struct MPT3SAS_ADAPTER *ioc,
6008 struct fw_event_work *fw_event)
6009{
6010 struct scsi_cmnd *scmd;
6011 struct scsi_device *sdev;
6012 u16 smid, handle;
6013 u32 lun;
6014 struct MPT3SAS_DEVICE *sas_device_priv_data;
6015 u32 termination_count;
6016 u32 query_count;
6017 Mpi2SCSITaskManagementReply_t *mpi_reply;
35b62362
JL		 6018 Mpi2EventDataSasBroadcastPrimitive_t *event_data =
6019 (Mpi2EventDataSasBroadcastPrimitive_t *)
6020 fw_event->event_data;
f92363d1
SR		 6021 u16 ioc_status;
6022 unsigned long flags;
6023 int r;
6024 u8 max_retries = 0;
6025 u8 task_abort_retries;
6026
6027 mutex_lock(&ioc->tm_cmds.mutex);
6028 pr_info(MPT3SAS_FMT
6029 "%s: enter: phy number(%d), width(%d)\n",
6030 ioc->name, __func__, event_data->PhyNum,
6031 event_data->PortWidth);
6032
6033 _scsih_block_io_all_device(ioc);
6034
6035 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6036 mpi_reply = ioc->tm_cmds.reply;
6037 broadcast_aen_retry:
6038
6039 /* sanity checks for retrying this loop */
6040 if (max_retries++ == 5) {
6041 dewtprintk(ioc, pr_info(MPT3SAS_FMT "%s: giving up\n",
6042 ioc->name, __func__));
6043 goto out;
6044 } else if (max_retries > 1)
6045 dewtprintk(ioc, pr_info(MPT3SAS_FMT "%s: %d retry\n",
6046 ioc->name, __func__, max_retries - 1));
6047
6048 termination_count = 0;
6049 query_count = 0;
6050 for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
6051 if (ioc->shost_recovery)
6052 goto out;
6053 scmd = _scsih_scsi_lookup_get(ioc, smid);
6054 if (!scmd)
6055 continue;
6056 sdev = scmd->device;
6057 sas_device_priv_data = sdev->hostdata;
6058 if (!sas_device_priv_data || !sas_device_priv_data->sas_target)
6059 continue;
6060 /* skip hidden raid components */
6061 if (sas_device_priv_data->sas_target->flags &
6062 MPT_TARGET_FLAGS_RAID_COMPONENT)
6063 continue;
6064 /* skip volumes */
6065 if (sas_device_priv_data->sas_target->flags &
6066 MPT_TARGET_FLAGS_VOLUME)
6067 continue;
6068
6069 handle = sas_device_priv_data->sas_target->handle;
6070 lun = sas_device_priv_data->lun;
6071 query_count++;
6072
6073 if (ioc->shost_recovery)
6074 goto out;
6075
6076 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
6077 r = mpt3sas_scsih_issue_tm(ioc, handle, 0, 0, lun,
c62e46de 6078 MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30,
f92363d1
SR		 6079 TM_MUTEX_OFF);
6080 if (r == FAILED) {
6081 sdev_printk(KERN_WARNING, sdev,
6082 "mpt3sas_scsih_issue_tm: FAILED when sending "
6083 "QUERY_TASK: scmd(%p)\n", scmd);
6084 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6085 goto broadcast_aen_retry;
6086 }
6087 ioc_status = le16_to_cpu(mpi_reply->IOCStatus)
6088 & MPI2_IOCSTATUS_MASK;
6089 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6090 sdev_printk(KERN_WARNING, sdev,
6091 "query task: FAILED with IOCSTATUS(0x%04x), scmd(%p)\n",
6092 ioc_status, scmd);
6093 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6094 goto broadcast_aen_retry;
6095 }
6096
6097 /* see if IO is still owned by IOC and target */
6098 if (mpi_reply->ResponseCode ==
6099 MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED ||
6100 mpi_reply->ResponseCode ==
6101 MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC) {
6102 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6103 continue;
6104 }
6105 task_abort_retries = 0;
6106 tm_retry:
6107 if (task_abort_retries++ == 60) {
6108 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6109 "%s: ABORT_TASK: giving up\n", ioc->name,
6110 __func__));
6111 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6112 goto broadcast_aen_retry;
6113 }
6114
6115 if (ioc->shost_recovery)
6116 goto out_no_lock;
6117
6118 r = mpt3sas_scsih_issue_tm(ioc, handle, sdev->channel, sdev->id,
6119 sdev->lun, MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30,
c62e46de 6120 TM_MUTEX_OFF);
f92363d1
SR		 6121 if (r == FAILED) {
6122 sdev_printk(KERN_WARNING, sdev,
6123 "mpt3sas_scsih_issue_tm: ABORT_TASK: FAILED : "
6124 "scmd(%p)\n", scmd);
6125 goto tm_retry;
6126 }
6127
6128 if (task_abort_retries > 1)
6129 sdev_printk(KERN_WARNING, sdev,
6130 "mpt3sas_scsih_issue_tm: ABORT_TASK: RETRIES (%d):"
6131 " scmd(%p)\n",
6132 task_abort_retries - 1, scmd);
6133
6134 termination_count += le32_to_cpu(mpi_reply->TerminationCount);
6135 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6136 }
6137
6138 if (ioc->broadcast_aen_pending) {
6139 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6140 "%s: loop back due to pending AEN\n",
6141 ioc->name, __func__));
6142 ioc->broadcast_aen_pending = 0;
6143 goto broadcast_aen_retry;
6144 }
6145
6146 out:
6147 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
6148 out_no_lock:
6149
6150 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6151 "%s - exit, query_count = %d termination_count = %d\n",
6152 ioc->name, __func__, query_count, termination_count));
6153
6154 ioc->broadcast_aen_busy = 0;
6155 if (!ioc->shost_recovery)
6156 _scsih_ublock_io_all_device(ioc);
6157 mutex_unlock(&ioc->tm_cmds.mutex);
6158}
6159
6160/**
6161 * _scsih_sas_discovery_event - handle discovery events
6162 * @ioc: per adapter object
6163 * @fw_event: The fw_event_work object
6164 * Context: user.
6165 *
6166 * Return nothing.
6167 */
6168static void
6169_scsih_sas_discovery_event(struct MPT3SAS_ADAPTER *ioc,
6170 struct fw_event_work *fw_event)
6171{
35b62362
JL		 6172 Mpi2EventDataSasDiscovery_t *event_data =
6173 (Mpi2EventDataSasDiscovery_t *) fw_event->event_data;
f92363d1 6174
f92363d1
SR		 6175 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) {
6176 pr_info(MPT3SAS_FMT "discovery event: (%s)", ioc->name,
6177 (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ?
6178 "start" : "stop");
af009411
SR		 6179 if (event_data->DiscoveryStatus)
6180 pr_info("discovery_status(0x%08x)",
6181 le32_to_cpu(event_data->DiscoveryStatus));
6182 pr_info("\n");
f92363d1 6183 }
f92363d1
SR		 6184
6185 if (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED &&
6186 !ioc->sas_hba.num_phys) {
6187 if (disable_discovery > 0 && ioc->shost_recovery) {
6188 /* Wait for the reset to complete */
6189 while (ioc->shost_recovery)
6190 ssleep(1);
6191 }
6192 _scsih_sas_host_add(ioc);
6193 }
6194}
6195
6196/**
6197 * _scsih_ir_fastpath - turn on fastpath for IR physdisk
6198 * @ioc: per adapter object
6199 * @handle: device handle for physical disk
6200 * @phys_disk_num: physical disk number
6201 *
6202 * Return 0 for success, else failure.
6203 */
6204static int
6205_scsih_ir_fastpath(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phys_disk_num)
6206{
6207 Mpi2RaidActionRequest_t *mpi_request;
6208 Mpi2RaidActionReply_t *mpi_reply;
6209 u16 smid;
6210 u8 issue_reset = 0;
6211 int rc = 0;
6212 u16 ioc_status;
6213 u32 log_info;
6214
c84b06a4
SR		 6215 if (ioc->hba_mpi_version_belonged == MPI2_VERSION)
6216 return rc;
6217
f92363d1
SR		 6218 mutex_lock(&ioc->scsih_cmds.mutex);
6219
6220 if (ioc->scsih_cmds.status != MPT3_CMD_NOT_USED) {
6221 pr_err(MPT3SAS_FMT "%s: scsih_cmd in use\n",
6222 ioc->name, __func__);
6223 rc = -EAGAIN;
6224 goto out;
6225 }
6226 ioc->scsih_cmds.status = MPT3_CMD_PENDING;
6227
6228 smid = mpt3sas_base_get_smid(ioc, ioc->scsih_cb_idx);
6229 if (!smid) {
6230 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
6231 ioc->name, __func__);
6232 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
6233 rc = -EAGAIN;
6234 goto out;
6235 }
6236
6237 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
6238 ioc->scsih_cmds.smid = smid;
6239 memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t));
6240
6241 mpi_request->Function = MPI2_FUNCTION_RAID_ACTION;
6242 mpi_request->Action = MPI2_RAID_ACTION_PHYSDISK_HIDDEN;
6243 mpi_request->PhysDiskNum = phys_disk_num;
6244
6245 dewtprintk(ioc, pr_info(MPT3SAS_FMT "IR RAID_ACTION: turning fast "\
6246 "path on for handle(0x%04x), phys_disk_num (0x%02x)\n", ioc->name,
6247 handle, phys_disk_num));
6248
6249 init_completion(&ioc->scsih_cmds.done);
6250 mpt3sas_base_put_smid_default(ioc, smid);
6251 wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ);
6252
6253 if (!(ioc->scsih_cmds.status & MPT3_CMD_COMPLETE)) {
6254 pr_err(MPT3SAS_FMT "%s: timeout\n",
6255 ioc->name, __func__);
6256 if (!(ioc->scsih_cmds.status & MPT3_CMD_RESET))
6257 issue_reset = 1;
6258 rc = -EFAULT;
6259 goto out;
6260 }
6261
6262 if (ioc->scsih_cmds.status & MPT3_CMD_REPLY_VALID) {
6263
6264 mpi_reply = ioc->scsih_cmds.reply;
6265 ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
6266 if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
6267 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
6268 else
6269 log_info = 0;
6270 ioc_status &= MPI2_IOCSTATUS_MASK;
6271 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6272 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6273 "IR RAID_ACTION: failed: ioc_status(0x%04x), "
6274 "loginfo(0x%08x)!!!\n", ioc->name, ioc_status,
6275 log_info));
6276 rc = -EFAULT;
6277 } else
6278 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6279 "IR RAID_ACTION: completed successfully\n",
6280 ioc->name));
6281 }
6282
6283 out:
6284 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
6285 mutex_unlock(&ioc->scsih_cmds.mutex);
6286
6287 if (issue_reset)
6288 mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP,
6289 FORCE_BIG_HAMMER);
6290 return rc;
6291}
6292
6293/**
6294 * _scsih_reprobe_lun - reprobing lun
6295 * @sdev: scsi device struct
6296 * @no_uld_attach: sdev->no_uld_attach flag setting
6297 *
6298 **/
6299static void
6300_scsih_reprobe_lun(struct scsi_device *sdev, void *no_uld_attach)
6301{
6302 int rc;
6303 sdev->no_uld_attach = no_uld_attach ? 1 : 0;
6304 sdev_printk(KERN_INFO, sdev, "%s raid component\n",
6305 sdev->no_uld_attach ? "hidding" : "exposing");
6306 rc = scsi_device_reprobe(sdev);
6307}
6308
6309/**
6310 * _scsih_sas_volume_add - add new volume
6311 * @ioc: per adapter object
6312 * @element: IR config element data
6313 * Context: user.
6314 *
6315 * Return nothing.
6316 */
6317static void
6318_scsih_sas_volume_add(struct MPT3SAS_ADAPTER *ioc,
6319 Mpi2EventIrConfigElement_t *element)
6320{
6321 struct _raid_device *raid_device;
6322 unsigned long flags;
6323 u64 wwid;
6324 u16 handle = le16_to_cpu(element->VolDevHandle);
6325 int rc;
6326
6327 mpt3sas_config_get_volume_wwid(ioc, handle, &wwid);
6328 if (!wwid) {
6329 pr_err(MPT3SAS_FMT
6330 "failure at %s:%d/%s()!\n", ioc->name,
6331 __FILE__, __LINE__, __func__);
6332 return;
6333 }
6334
6335 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6336 raid_device = _scsih_raid_device_find_by_wwid(ioc, wwid);
6337 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6338
6339 if (raid_device)
6340 return;
6341
6342 raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
6343 if (!raid_device) {
6344 pr_err(MPT3SAS_FMT
6345 "failure at %s:%d/%s()!\n", ioc->name,
6346 __FILE__, __LINE__, __func__);
6347 return;
6348 }
6349
6350 raid_device->id = ioc->sas_id++;
6351 raid_device->channel = RAID_CHANNEL;
6352 raid_device->handle = handle;
6353 raid_device->wwid = wwid;
6354 _scsih_raid_device_add(ioc, raid_device);
6355 if (!ioc->wait_for_discovery_to_complete) {
6356 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
6357 raid_device->id, 0);
6358 if (rc)
6359 _scsih_raid_device_remove(ioc, raid_device);
6360 } else {
6361 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6362 _scsih_determine_boot_device(ioc, raid_device, 1);
6363 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6364 }
6365}
6366
6367/**
6368 * _scsih_sas_volume_delete - delete volume
6369 * @ioc: per adapter object
6370 * @handle: volume device handle
6371 * Context: user.
6372 *
6373 * Return nothing.
6374 */
6375static void
6376_scsih_sas_volume_delete(struct MPT3SAS_ADAPTER *ioc, u16 handle)
6377{
6378 struct _raid_device *raid_device;
6379 unsigned long flags;
6380 struct MPT3SAS_TARGET *sas_target_priv_data;
6381 struct scsi_target *starget = NULL;
6382
6383 spin_lock_irqsave(&ioc->raid_device_lock, flags);
c84b06a4 6384 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
f92363d1
SR		 6385 if (raid_device) {
6386 if (raid_device->starget) {
6387 starget = raid_device->starget;
6388 sas_target_priv_data = starget->hostdata;
6389 sas_target_priv_data->deleted = 1;
6390 }
6391 pr_info(MPT3SAS_FMT "removing handle(0x%04x), wwid(0x%016llx)\n",
6392 ioc->name, raid_device->handle,
6393 (unsigned long long) raid_device->wwid);
6394 list_del(&raid_device->list);
6395 kfree(raid_device);
6396 }
6397 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6398 if (starget)
6399 scsi_remove_target(&starget->dev);
6400}
6401
6402/**
6403 * _scsih_sas_pd_expose - expose pd component to /dev/sdX
6404 * @ioc: per adapter object
6405 * @element: IR config element data
6406 * Context: user.
6407 *
6408 * Return nothing.
6409 */
6410static void
6411_scsih_sas_pd_expose(struct MPT3SAS_ADAPTER *ioc,
6412 Mpi2EventIrConfigElement_t *element)
6413{
6414 struct _sas_device *sas_device;
6415 struct scsi_target *starget = NULL;
6416 struct MPT3SAS_TARGET *sas_target_priv_data;
6417 unsigned long flags;
6418 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6419
6420 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 6421 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
f92363d1
SR		 6422 if (sas_device) {
6423 sas_device->volume_handle = 0;
6424 sas_device->volume_wwid = 0;
6425 clear_bit(handle, ioc->pd_handles);
6426 if (sas_device->starget && sas_device->starget->hostdata) {
6427 starget = sas_device->starget;
6428 sas_target_priv_data = starget->hostdata;
6429 sas_target_priv_data->flags &=
6430 ~MPT_TARGET_FLAGS_RAID_COMPONENT;
6431 }
6432 }
6433 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
6434 if (!sas_device)
6435 return;
6436
6437 /* exposing raid component */
6438 if (starget)
6439 starget_for_each_device(starget, NULL, _scsih_reprobe_lun);
d1cb5e49
SR		 6440
6441 sas_device_put(sas_device);
f92363d1
SR		 6442}
6443
6444/**
6445 * _scsih_sas_pd_hide - hide pd component from /dev/sdX
6446 * @ioc: per adapter object
6447 * @element: IR config element data
6448 * Context: user.
6449 *
6450 * Return nothing.
6451 */
6452static void
6453_scsih_sas_pd_hide(struct MPT3SAS_ADAPTER *ioc,
6454 Mpi2EventIrConfigElement_t *element)
6455{
6456 struct _sas_device *sas_device;
6457 struct scsi_target *starget = NULL;
6458 struct MPT3SAS_TARGET *sas_target_priv_data;
6459 unsigned long flags;
6460 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6461 u16 volume_handle = 0;
6462 u64 volume_wwid = 0;
6463
6464 mpt3sas_config_get_volume_handle(ioc, handle, &volume_handle);
6465 if (volume_handle)
6466 mpt3sas_config_get_volume_wwid(ioc, volume_handle,
6467 &volume_wwid);
6468
6469 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 6470 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
f92363d1
SR		 6471 if (sas_device) {
6472 set_bit(handle, ioc->pd_handles);
6473 if (sas_device->starget && sas_device->starget->hostdata) {
6474 starget = sas_device->starget;
6475 sas_target_priv_data = starget->hostdata;
6476 sas_target_priv_data->flags |=
6477 MPT_TARGET_FLAGS_RAID_COMPONENT;
6478 sas_device->volume_handle = volume_handle;
6479 sas_device->volume_wwid = volume_wwid;
6480 }
6481 }
6482 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
6483 if (!sas_device)
6484 return;
6485
6486 /* hiding raid component */
6487 _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum);
c84b06a4 6488
f92363d1
SR		 6489 if (starget)
6490 starget_for_each_device(starget, (void *)1, _scsih_reprobe_lun);
d1cb5e49
SR		 6491
6492 sas_device_put(sas_device);
f92363d1
SR		 6493}
6494
6495/**
6496 * _scsih_sas_pd_delete - delete pd component
6497 * @ioc: per adapter object
6498 * @element: IR config element data
6499 * Context: user.
6500 *
6501 * Return nothing.
6502 */
6503static void
6504_scsih_sas_pd_delete(struct MPT3SAS_ADAPTER *ioc,
6505 Mpi2EventIrConfigElement_t *element)
6506{
6507 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6508
6509 _scsih_device_remove_by_handle(ioc, handle);
6510}
6511
6512/**
6513 * _scsih_sas_pd_add - remove pd component
6514 * @ioc: per adapter object
6515 * @element: IR config element data
6516 * Context: user.
6517 *
6518 * Return nothing.
6519 */
6520static void
6521_scsih_sas_pd_add(struct MPT3SAS_ADAPTER *ioc,
6522 Mpi2EventIrConfigElement_t *element)
6523{
6524 struct _sas_device *sas_device;
f92363d1
SR		 6525 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6526 Mpi2ConfigReply_t mpi_reply;
6527 Mpi2SasDevicePage0_t sas_device_pg0;
6528 u32 ioc_status;
6529 u64 sas_address;
6530 u16 parent_handle;
6531
6532 set_bit(handle, ioc->pd_handles);
6533
d1cb5e49 6534 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
f92363d1
SR		 6535 if (sas_device) {
6536 _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum);
d1cb5e49 6537 sas_device_put(sas_device);
f92363d1
SR		 6538 return;
6539 }
6540
6541 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
6542 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
6543 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
6544 ioc->name, __FILE__, __LINE__, __func__);
6545 return;
6546 }
6547
6548 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
6549 MPI2_IOCSTATUS_MASK;
6550 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6551 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
6552 ioc->name, __FILE__, __LINE__, __func__);
6553 return;
6554 }
6555
6556 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
6557 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
6558 mpt3sas_transport_update_links(ioc, sas_address, handle,
6559 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
6560
6561 _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum);
6562 _scsih_add_device(ioc, handle, 0, 1);
6563}
6564
f92363d1
SR		 6565/**
6566 * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events
6567 * @ioc: per adapter object
6568 * @event_data: event data payload
6569 * Context: user.
6570 *
6571 * Return nothing.
6572 */
6573static void
6574_scsih_sas_ir_config_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
6575 Mpi2EventDataIrConfigChangeList_t *event_data)
6576{
6577 Mpi2EventIrConfigElement_t *element;
6578 u8 element_type;
6579 int i;
6580 char *reason_str = NULL, *element_str = NULL;
6581
6582 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
6583
6584 pr_info(MPT3SAS_FMT "raid config change: (%s), elements(%d)\n",
6585 ioc->name, (le32_to_cpu(event_data->Flags) &
6586 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ?
6587 "foreign" : "native", event_data->NumElements);
6588 for (i = 0; i < event_data->NumElements; i++, element++) {
6589 switch (element->ReasonCode) {
6590 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
6591 reason_str = "add";
6592 break;
6593 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
6594 reason_str = "remove";
6595 break;
6596 case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE:
6597 reason_str = "no change";
6598 break;
6599 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
6600 reason_str = "hide";
6601 break;
6602 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
6603 reason_str = "unhide";
6604 break;
6605 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
6606 reason_str = "volume_created";
6607 break;
6608 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
6609 reason_str = "volume_deleted";
6610 break;
6611 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
6612 reason_str = "pd_created";
6613 break;
6614 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
6615 reason_str = "pd_deleted";
6616 break;
6617 default:
6618 reason_str = "unknown reason";
6619 break;
6620 }
6621 element_type = le16_to_cpu(element->ElementFlags) &
6622 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK;
6623 switch (element_type) {
6624 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT:
6625 element_str = "volume";
6626 break;
6627 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT:
6628 element_str = "phys disk";
6629 break;
6630 case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT:
6631 element_str = "hot spare";
6632 break;
6633 default:
6634 element_str = "unknown element";
6635 break;
6636 }
6637 pr_info("\t(%s:%s), vol handle(0x%04x), " \
6638 "pd handle(0x%04x), pd num(0x%02x)\n", element_str,
6639 reason_str, le16_to_cpu(element->VolDevHandle),
6640 le16_to_cpu(element->PhysDiskDevHandle),
6641 element->PhysDiskNum);
6642 }
6643}
f92363d1
SR		 6644
6645/**
6646 * _scsih_sas_ir_config_change_event - handle ir configuration change events
6647 * @ioc: per adapter object
6648 * @fw_event: The fw_event_work object
6649 * Context: user.
6650 *
6651 * Return nothing.
6652 */
6653static void
6654_scsih_sas_ir_config_change_event(struct MPT3SAS_ADAPTER *ioc,
6655 struct fw_event_work *fw_event)
6656{
6657 Mpi2EventIrConfigElement_t *element;
6658 int i;
6659 u8 foreign_config;
35b62362
JL		 6660 Mpi2EventDataIrConfigChangeList_t *event_data =
6661 (Mpi2EventDataIrConfigChangeList_t *)
6662 fw_event->event_data;
f92363d1 6663
7786ab6a
SR		 6664 if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) &&
6665 (!ioc->hide_ir_msg))
f92363d1
SR		 6666 _scsih_sas_ir_config_change_event_debug(ioc, event_data);
6667
f92363d1
SR		 6668 foreign_config = (le32_to_cpu(event_data->Flags) &
6669 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
6670
6671 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
c84b06a4
SR		 6672 if (ioc->shost_recovery &&
6673 ioc->hba_mpi_version_belonged != MPI2_VERSION) {
f92363d1
SR		 6674 for (i = 0; i < event_data->NumElements; i++, element++) {
6675 if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_HIDE)
6676 _scsih_ir_fastpath(ioc,
6677 le16_to_cpu(element->PhysDiskDevHandle),
6678 element->PhysDiskNum);
6679 }
6680 return;
6681 }
7786ab6a 6682
f92363d1
SR		 6683 for (i = 0; i < event_data->NumElements; i++, element++) {
6684
6685 switch (element->ReasonCode) {
6686 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
6687 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
6688 if (!foreign_config)
6689 _scsih_sas_volume_add(ioc, element);
6690 break;
6691 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
6692 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
6693 if (!foreign_config)
6694 _scsih_sas_volume_delete(ioc,
6695 le16_to_cpu(element->VolDevHandle));
6696 break;
6697 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
7786ab6a
SR		 6698 if (!ioc->is_warpdrive)
6699 _scsih_sas_pd_hide(ioc, element);
f92363d1
SR		 6700 break;
6701 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
7786ab6a
SR		 6702 if (!ioc->is_warpdrive)
6703 _scsih_sas_pd_expose(ioc, element);
f92363d1
SR		 6704 break;
6705 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
7786ab6a
SR		 6706 if (!ioc->is_warpdrive)
6707 _scsih_sas_pd_add(ioc, element);
f92363d1
SR		 6708 break;
6709 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
7786ab6a
SR		 6710 if (!ioc->is_warpdrive)
6711 _scsih_sas_pd_delete(ioc, element);
f92363d1
SR		 6712 break;
6713 }
6714 }
6715}
6716
6717/**
6718 * _scsih_sas_ir_volume_event - IR volume event
6719 * @ioc: per adapter object
6720 * @fw_event: The fw_event_work object
6721 * Context: user.
6722 *
6723 * Return nothing.
6724 */
6725static void
6726_scsih_sas_ir_volume_event(struct MPT3SAS_ADAPTER *ioc,
6727 struct fw_event_work *fw_event)
6728{
6729 u64 wwid;
6730 unsigned long flags;
6731 struct _raid_device *raid_device;
6732 u16 handle;
6733 u32 state;
6734 int rc;
35b62362
JL		 6735 Mpi2EventDataIrVolume_t *event_data =
6736 (Mpi2EventDataIrVolume_t *) fw_event->event_data;
f92363d1
SR		 6737
6738 if (ioc->shost_recovery)
6739 return;
6740
6741 if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
6742 return;
6743
6744 handle = le16_to_cpu(event_data->VolDevHandle);
6745 state = le32_to_cpu(event_data->NewValue);
7786ab6a
SR		 6746 if (!ioc->hide_ir_msg)
6747 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6748 "%s: handle(0x%04x), old(0x%08x), new(0x%08x)\n",
6749 ioc->name, __func__, handle,
6750 le32_to_cpu(event_data->PreviousValue), state));
f92363d1
SR		 6751 switch (state) {
6752 case MPI2_RAID_VOL_STATE_MISSING:
6753 case MPI2_RAID_VOL_STATE_FAILED:
6754 _scsih_sas_volume_delete(ioc, handle);
6755 break;
6756
6757 case MPI2_RAID_VOL_STATE_ONLINE:
6758 case MPI2_RAID_VOL_STATE_DEGRADED:
6759 case MPI2_RAID_VOL_STATE_OPTIMAL:
6760
6761 spin_lock_irqsave(&ioc->raid_device_lock, flags);
c84b06a4 6762 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
f92363d1
SR		 6763 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6764
6765 if (raid_device)
6766 break;
6767
6768 mpt3sas_config_get_volume_wwid(ioc, handle, &wwid);
6769 if (!wwid) {
6770 pr_err(MPT3SAS_FMT
6771 "failure at %s:%d/%s()!\n", ioc->name,
6772 __FILE__, __LINE__, __func__);
6773 break;
6774 }
6775
6776 raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
6777 if (!raid_device) {
6778 pr_err(MPT3SAS_FMT
6779 "failure at %s:%d/%s()!\n", ioc->name,
6780 __FILE__, __LINE__, __func__);
6781 break;
6782 }
6783
6784 raid_device->id = ioc->sas_id++;
6785 raid_device->channel = RAID_CHANNEL;
6786 raid_device->handle = handle;
6787 raid_device->wwid = wwid;
6788 _scsih_raid_device_add(ioc, raid_device);
6789 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
6790 raid_device->id, 0);
6791 if (rc)
6792 _scsih_raid_device_remove(ioc, raid_device);
6793 break;
6794
6795 case MPI2_RAID_VOL_STATE_INITIALIZING:
6796 default:
6797 break;
6798 }
6799}
6800
6801/**
6802 * _scsih_sas_ir_physical_disk_event - PD event
6803 * @ioc: per adapter object
6804 * @fw_event: The fw_event_work object
6805 * Context: user.
6806 *
6807 * Return nothing.
6808 */
6809static void
6810_scsih_sas_ir_physical_disk_event(struct MPT3SAS_ADAPTER *ioc,
6811 struct fw_event_work *fw_event)
6812{
6813 u16 handle, parent_handle;
6814 u32 state;
6815 struct _sas_device *sas_device;
f92363d1
SR		 6816 Mpi2ConfigReply_t mpi_reply;
6817 Mpi2SasDevicePage0_t sas_device_pg0;
6818 u32 ioc_status;
35b62362
JL		 6819 Mpi2EventDataIrPhysicalDisk_t *event_data =
6820 (Mpi2EventDataIrPhysicalDisk_t *) fw_event->event_data;
f92363d1
SR		 6821 u64 sas_address;
6822
6823 if (ioc->shost_recovery)
6824 return;
6825
6826 if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED)
6827 return;
6828
6829 handle = le16_to_cpu(event_data->PhysDiskDevHandle);
6830 state = le32_to_cpu(event_data->NewValue);
6831
7786ab6a
SR		 6832 if (!ioc->hide_ir_msg)
6833 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6834 "%s: handle(0x%04x), old(0x%08x), new(0x%08x)\n",
6835 ioc->name, __func__, handle,
f92363d1 6836 le32_to_cpu(event_data->PreviousValue), state));
7786ab6a 6837
f92363d1
SR		 6838 switch (state) {
6839 case MPI2_RAID_PD_STATE_ONLINE:
6840 case MPI2_RAID_PD_STATE_DEGRADED:
6841 case MPI2_RAID_PD_STATE_REBUILDING:
6842 case MPI2_RAID_PD_STATE_OPTIMAL:
6843 case MPI2_RAID_PD_STATE_HOT_SPARE:
6844
7786ab6a
SR		 6845 if (!ioc->is_warpdrive)
6846 set_bit(handle, ioc->pd_handles);
f92363d1 6847
d1cb5e49
SR		 6848 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
6849 if (sas_device) {
6850 sas_device_put(sas_device);
f92363d1 6851 return;
d1cb5e49 6852 }
f92363d1
SR		 6853
6854 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
6855 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
6856 handle))) {
6857 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
6858 ioc->name, __FILE__, __LINE__, __func__);
6859 return;
6860 }
6861
6862 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
6863 MPI2_IOCSTATUS_MASK;
6864 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6865 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
6866 ioc->name, __FILE__, __LINE__, __func__);
6867 return;
6868 }
6869
6870 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
6871 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
6872 mpt3sas_transport_update_links(ioc, sas_address, handle,
6873 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
6874
6875 _scsih_add_device(ioc, handle, 0, 1);
6876
6877 break;
6878
6879 case MPI2_RAID_PD_STATE_OFFLINE:
6880 case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
6881 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
6882 default:
6883 break;
6884 }
6885}
6886
f92363d1
SR		 6887/**
6888 * _scsih_sas_ir_operation_status_event_debug - debug for IR op event
6889 * @ioc: per adapter object
6890 * @event_data: event data payload
6891 * Context: user.
6892 *
6893 * Return nothing.
6894 */
6895static void
6896_scsih_sas_ir_operation_status_event_debug(struct MPT3SAS_ADAPTER *ioc,
6897 Mpi2EventDataIrOperationStatus_t *event_data)
6898{
6899 char *reason_str = NULL;
6900
6901 switch (event_data->RAIDOperation) {
6902 case MPI2_EVENT_IR_RAIDOP_RESYNC:
6903 reason_str = "resync";
6904 break;
6905 case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION:
6906 reason_str = "online capacity expansion";
6907 break;
6908 case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK:
6909 reason_str = "consistency check";
6910 break;
6911 case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT:
6912 reason_str = "background init";
6913 break;
6914 case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT:
6915 reason_str = "make data consistent";
6916 break;
6917 }
6918
6919 if (!reason_str)
6920 return;
6921
6922 pr_info(MPT3SAS_FMT "raid operational status: (%s)" \
6923 "\thandle(0x%04x), percent complete(%d)\n",
6924 ioc->name, reason_str,
6925 le16_to_cpu(event_data->VolDevHandle),
6926 event_data->PercentComplete);
6927}
f92363d1
SR		 6928
6929/**
6930 * _scsih_sas_ir_operation_status_event - handle RAID operation events
6931 * @ioc: per adapter object
6932 * @fw_event: The fw_event_work object
6933 * Context: user.
6934 *
6935 * Return nothing.
6936 */
6937static void
6938_scsih_sas_ir_operation_status_event(struct MPT3SAS_ADAPTER *ioc,
6939 struct fw_event_work *fw_event)
6940{
35b62362
JL		 6941 Mpi2EventDataIrOperationStatus_t *event_data =
6942 (Mpi2EventDataIrOperationStatus_t *)
6943 fw_event->event_data;
f92363d1
SR		 6944 static struct _raid_device *raid_device;
6945 unsigned long flags;
6946 u16 handle;
6947
7786ab6a
SR		 6948 if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) &&
6949 (!ioc->hide_ir_msg))
f92363d1
SR		 6950 _scsih_sas_ir_operation_status_event_debug(ioc,
6951 event_data);
f92363d1
SR		 6952
6953 /* code added for raid transport support */
6954 if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) {
6955
6956 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6957 handle = le16_to_cpu(event_data->VolDevHandle);
c84b06a4 6958 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
f92363d1
SR		 6959 if (raid_device)
6960 raid_device->percent_complete =
6961 event_data->PercentComplete;
6962 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6963 }
6964}
6965
6966/**
6967 * _scsih_prep_device_scan - initialize parameters prior to device scan
6968 * @ioc: per adapter object
6969 *
6970 * Set the deleted flag prior to device scan. If the device is found during
6971 * the scan, then we clear the deleted flag.
6972 */
6973static void
6974_scsih_prep_device_scan(struct MPT3SAS_ADAPTER *ioc)
6975{
6976 struct MPT3SAS_DEVICE *sas_device_priv_data;
6977 struct scsi_device *sdev;
6978
6979 shost_for_each_device(sdev, ioc->shost) {
6980 sas_device_priv_data = sdev->hostdata;
6981 if (sas_device_priv_data && sas_device_priv_data->sas_target)
6982 sas_device_priv_data->sas_target->deleted = 1;
6983 }
6984}
6985
6986/**
6987 * _scsih_mark_responding_sas_device - mark a sas_devices as responding
6988 * @ioc: per adapter object
e6d45e3e 6989 * @sas_device_pg0: SAS Device page 0
f92363d1
SR		 6990 *
6991 * After host reset, find out whether devices are still responding.
6992 * Used in _scsih_remove_unresponsive_sas_devices.
6993 *
6994 * Return nothing.
6995 */
6996static void
e6d45e3e
SR		 6997_scsih_mark_responding_sas_device(struct MPT3SAS_ADAPTER *ioc,
6998Mpi2SasDevicePage0_t *sas_device_pg0)
f92363d1
SR		 6999{
7000 struct MPT3SAS_TARGET *sas_target_priv_data = NULL;
7001 struct scsi_target *starget;
7002 struct _sas_device *sas_device;
7003 unsigned long flags;
7004
7005 spin_lock_irqsave(&ioc->sas_device_lock, flags);
7006 list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
e6d45e3e
SR		 7007 if ((sas_device->sas_address == sas_device_pg0->SASAddress) &&
7008 (sas_device->slot == sas_device_pg0->Slot)) {
f92363d1
SR		 7009 sas_device->responding = 1;
7010 starget = sas_device->starget;
7011 if (starget && starget->hostdata) {
7012 sas_target_priv_data = starget->hostdata;
7013 sas_target_priv_data->tm_busy = 0;
7014 sas_target_priv_data->deleted = 0;
7015 } else
7016 sas_target_priv_data = NULL;
e6d45e3e 7017 if (starget) {
f92363d1 7018 starget_printk(KERN_INFO, starget,
e6d45e3e
SR		 7019 "handle(0x%04x), sas_addr(0x%016llx)\n",
7020 sas_device_pg0->DevHandle,
f92363d1 7021 (unsigned long long)
e6d45e3e
SR		 7022 sas_device->sas_address);
7023
7024 if (sas_device->enclosure_handle != 0)
7025 starget_printk(KERN_INFO, starget,
7026 "enclosure logical id(0x%016llx),"
7027 " slot(%d)\n",
7028 (unsigned long long)
7029 sas_device->enclosure_logical_id,
7030 sas_device->slot);
7031 }
7032 if (sas_device_pg0->Flags &
7033 MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
7034 sas_device->enclosure_level =
7035 le16_to_cpu(sas_device_pg0->EnclosureLevel);
7036 memcpy(&sas_device->connector_name[0],
7037 &sas_device_pg0->ConnectorName[0], 4);
7038 } else {
7039 sas_device->enclosure_level = 0;
7040 sas_device->connector_name[0] = '\0';
7041 }
7042
7043 if (sas_device->handle == sas_device_pg0->DevHandle)
f92363d1
SR		 7044 goto out;
7045 pr_info("\thandle changed from(0x%04x)!!!\n",
7046 sas_device->handle);
e6d45e3e 7047 sas_device->handle = sas_device_pg0->DevHandle;
f92363d1 7048 if (sas_target_priv_data)
e6d45e3e
SR		 7049 sas_target_priv_data->handle =
7050 sas_device_pg0->DevHandle;
f92363d1
SR		 7051 goto out;
7052 }
7053 }
7054 out:
7055 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
7056}
7057
7058/**
7059 * _scsih_search_responding_sas_devices -
7060 * @ioc: per adapter object
7061 *
7062 * After host reset, find out whether devices are still responding.
7063 * If not remove.
7064 *
7065 * Return nothing.
7066 */
7067static void
7068_scsih_search_responding_sas_devices(struct MPT3SAS_ADAPTER *ioc)
7069{
7070 Mpi2SasDevicePage0_t sas_device_pg0;
7071 Mpi2ConfigReply_t mpi_reply;
7072 u16 ioc_status;
7073 u16 handle;
7074 u32 device_info;
7075
7076 pr_info(MPT3SAS_FMT "search for end-devices: start\n", ioc->name);
7077
7078 if (list_empty(&ioc->sas_device_list))
7079 goto out;
7080
7081 handle = 0xFFFF;
7082 while (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
7083 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
7084 handle))) {
7085 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7086 MPI2_IOCSTATUS_MASK;
14be49ac 7087 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
f92363d1 7088 break;
e6d45e3e
SR		 7089 handle = sas_device_pg0.DevHandle =
7090 le16_to_cpu(sas_device_pg0.DevHandle);
f92363d1
SR		 7091 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
7092 if (!(_scsih_is_end_device(device_info)))
7093 continue;
e6d45e3e
SR		 7094 sas_device_pg0.SASAddress =
7095 le64_to_cpu(sas_device_pg0.SASAddress);
7096 sas_device_pg0.Slot = le16_to_cpu(sas_device_pg0.Slot);
7097 _scsih_mark_responding_sas_device(ioc, &sas_device_pg0);
f92363d1
SR		 7098 }
7099
7100 out:
7101 pr_info(MPT3SAS_FMT "search for end-devices: complete\n",
7102 ioc->name);
7103}
7104
7105/**
7106 * _scsih_mark_responding_raid_device - mark a raid_device as responding
7107 * @ioc: per adapter object
7108 * @wwid: world wide identifier for raid volume
7109 * @handle: device handle
7110 *
7111 * After host reset, find out whether devices are still responding.
7112 * Used in _scsih_remove_unresponsive_raid_devices.
7113 *
7114 * Return nothing.
7115 */
7116static void
7117_scsih_mark_responding_raid_device(struct MPT3SAS_ADAPTER *ioc, u64 wwid,
7118 u16 handle)
7119{
7786ab6a 7120 struct MPT3SAS_TARGET *sas_target_priv_data = NULL;
f92363d1
SR		 7121 struct scsi_target *starget;
7122 struct _raid_device *raid_device;
7123 unsigned long flags;
7124
7125 spin_lock_irqsave(&ioc->raid_device_lock, flags);
7126 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
7127 if (raid_device->wwid == wwid && raid_device->starget) {
7128 starget = raid_device->starget;
7129 if (starget && starget->hostdata) {
7130 sas_target_priv_data = starget->hostdata;
7131 sas_target_priv_data->deleted = 0;
7132 } else
7133 sas_target_priv_data = NULL;
7134 raid_device->responding = 1;
7135 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7136 starget_printk(KERN_INFO, raid_device->starget,
7137 "handle(0x%04x), wwid(0x%016llx)\n", handle,
7138 (unsigned long long)raid_device->wwid);
7786ab6a 7139
7786ab6a
SR		 7140 /*
7141 * WARPDRIVE: The handles of the PDs might have changed
7142 * across the host reset so re-initialize the
7143 * required data for Direct IO
7144 */
c84b06a4 7145 mpt3sas_init_warpdrive_properties(ioc, raid_device);
f92363d1
SR		 7146 spin_lock_irqsave(&ioc->raid_device_lock, flags);
7147 if (raid_device->handle == handle) {
7148 spin_unlock_irqrestore(&ioc->raid_device_lock,
7149 flags);
7150 return;
7151 }
7152 pr_info("\thandle changed from(0x%04x)!!!\n",
7153 raid_device->handle);
7154 raid_device->handle = handle;
7155 if (sas_target_priv_data)
7156 sas_target_priv_data->handle = handle;
7157 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7158 return;
7159 }
7160 }
7161 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7162}
7163
7164/**
7165 * _scsih_search_responding_raid_devices -
7166 * @ioc: per adapter object
7167 *
7168 * After host reset, find out whether devices are still responding.
7169 * If not remove.
7170 *
7171 * Return nothing.
7172 */
7173static void
7174_scsih_search_responding_raid_devices(struct MPT3SAS_ADAPTER *ioc)
7175{
7176 Mpi2RaidVolPage1_t volume_pg1;
7177 Mpi2RaidVolPage0_t volume_pg0;
7178 Mpi2RaidPhysDiskPage0_t pd_pg0;
7179 Mpi2ConfigReply_t mpi_reply;
7180 u16 ioc_status;
7181 u16 handle;
7182 u8 phys_disk_num;
7183
7184 if (!ioc->ir_firmware)
7185 return;
7186
7187 pr_info(MPT3SAS_FMT "search for raid volumes: start\n",
7188 ioc->name);
7189
7190 if (list_empty(&ioc->raid_device_list))
7191 goto out;
7192
7193 handle = 0xFFFF;
7194 while (!(mpt3sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
7195 &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
7196 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7197 MPI2_IOCSTATUS_MASK;
14be49ac 7198 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
f92363d1
SR		 7199 break;
7200 handle = le16_to_cpu(volume_pg1.DevHandle);
7201
7202 if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply,
7203 &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
7204 sizeof(Mpi2RaidVolPage0_t)))
7205 continue;
7206
7207 if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL ||
7208 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE ||
7209 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED)
7210 _scsih_mark_responding_raid_device(ioc,
7211 le64_to_cpu(volume_pg1.WWID), handle);
7212 }
7213
7214 /* refresh the pd_handles */
7786ab6a 7215 if (!ioc->is_warpdrive) {
f92363d1
SR		 7216 phys_disk_num = 0xFF;
7217 memset(ioc->pd_handles, 0, ioc->pd_handles_sz);
7218 while (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
7219 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM,
7220 phys_disk_num))) {
7221 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7222 MPI2_IOCSTATUS_MASK;
14be49ac 7223 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
f92363d1
SR		 7224 break;
7225 phys_disk_num = pd_pg0.PhysDiskNum;
7226 handle = le16_to_cpu(pd_pg0.DevHandle);
7227 set_bit(handle, ioc->pd_handles);
7228 }
7786ab6a 7229 }
f92363d1
SR		 7230 out:
7231 pr_info(MPT3SAS_FMT "search for responding raid volumes: complete\n",
7232 ioc->name);
7233}
7234
7235/**
7236 * _scsih_mark_responding_expander - mark a expander as responding
7237 * @ioc: per adapter object
7238 * @sas_address: sas address
7239 * @handle:
7240 *
7241 * After host reset, find out whether devices are still responding.
7242 * Used in _scsih_remove_unresponsive_expanders.
7243 *
7244 * Return nothing.
7245 */
7246static void
7247_scsih_mark_responding_expander(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
7248 u16 handle)
7249{
7250 struct _sas_node *sas_expander;
7251 unsigned long flags;
7252 int i;
7253
7254 spin_lock_irqsave(&ioc->sas_node_lock, flags);
7255 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
7256 if (sas_expander->sas_address != sas_address)
7257 continue;
7258 sas_expander->responding = 1;
7259 if (sas_expander->handle == handle)
7260 goto out;
7261 pr_info("\texpander(0x%016llx): handle changed" \
7262 " from(0x%04x) to (0x%04x)!!!\n",
7263 (unsigned long long)sas_expander->sas_address,
7264 sas_expander->handle, handle);
7265 sas_expander->handle = handle;
7266 for (i = 0 ; i < sas_expander->num_phys ; i++)
7267 sas_expander->phy[i].handle = handle;
7268 goto out;
7269 }
7270 out:
7271 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
7272}
7273
7274/**
7275 * _scsih_search_responding_expanders -
7276 * @ioc: per adapter object
7277 *
7278 * After host reset, find out whether devices are still responding.
7279 * If not remove.
7280 *
7281 * Return nothing.
7282 */
7283static void
7284_scsih_search_responding_expanders(struct MPT3SAS_ADAPTER *ioc)
7285{
7286 Mpi2ExpanderPage0_t expander_pg0;
7287 Mpi2ConfigReply_t mpi_reply;
7288 u16 ioc_status;
7289 u64 sas_address;
7290 u16 handle;
7291
7292 pr_info(MPT3SAS_FMT "search for expanders: start\n", ioc->name);
7293
7294 if (list_empty(&ioc->sas_expander_list))
7295 goto out;
7296
7297 handle = 0xFFFF;
7298 while (!(mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
7299 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) {
7300
7301 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7302 MPI2_IOCSTATUS_MASK;
14be49ac 7303 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
f92363d1
SR		 7304 break;
7305
7306 handle = le16_to_cpu(expander_pg0.DevHandle);
7307 sas_address = le64_to_cpu(expander_pg0.SASAddress);
7308 pr_info("\texpander present: handle(0x%04x), sas_addr(0x%016llx)\n",
7309 handle,
7310 (unsigned long long)sas_address);
7311 _scsih_mark_responding_expander(ioc, sas_address, handle);
7312 }
7313
7314 out:
7315 pr_info(MPT3SAS_FMT "search for expanders: complete\n", ioc->name);
7316}
7317
7318/**
7319 * _scsih_remove_unresponding_sas_devices - removing unresponding devices
7320 * @ioc: per adapter object
7321 *
7322 * Return nothing.
7323 */
7324static void
7325_scsih_remove_unresponding_sas_devices(struct MPT3SAS_ADAPTER *ioc)
7326{
7327 struct _sas_device *sas_device, *sas_device_next;
7328 struct _sas_node *sas_expander, *sas_expander_next;
7329 struct _raid_device *raid_device, *raid_device_next;
7330 struct list_head tmp_list;
7331 unsigned long flags;
d1cb5e49 7332 LIST_HEAD(head);
f92363d1
SR		 7333
7334 pr_info(MPT3SAS_FMT "removing unresponding devices: start\n",
7335 ioc->name);
7336
7337 /* removing unresponding end devices */
7338 pr_info(MPT3SAS_FMT "removing unresponding devices: end-devices\n",
7339 ioc->name);
d1cb5e49
SR		 7340 /*
7341 * Iterate, pulling off devices marked as non-responding. We become the
7342 * owner for the reference the list had on any object we prune.
7343 */
7344 spin_lock_irqsave(&ioc->sas_device_lock, flags);
f92363d1
SR		 7345 list_for_each_entry_safe(sas_device, sas_device_next,
7346 &ioc->sas_device_list, list) {
7347 if (!sas_device->responding)
d1cb5e49 7348 list_move_tail(&sas_device->list, &head);
f92363d1
SR		 7349 else
7350 sas_device->responding = 0;
7351 }
d1cb5e49
SR		 7352 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
7353
7354 /*
7355 * Now, uninitialize and remove the unresponding devices we pruned.
7356 */
7357 list_for_each_entry_safe(sas_device, sas_device_next, &head, list) {
7358 _scsih_remove_device(ioc, sas_device);
7359 list_del_init(&sas_device->list);
7360 sas_device_put(sas_device);
7361 }
f92363d1
SR		 7362
7363 /* removing unresponding volumes */
7364 if (ioc->ir_firmware) {
7365 pr_info(MPT3SAS_FMT "removing unresponding devices: volumes\n",
7366 ioc->name);
7367 list_for_each_entry_safe(raid_device, raid_device_next,
7368 &ioc->raid_device_list, list) {
7369 if (!raid_device->responding)
7370 _scsih_sas_volume_delete(ioc,
7371 raid_device->handle);
7372 else
7373 raid_device->responding = 0;
7374 }
7375 }
7376
7377 /* removing unresponding expanders */
7378 pr_info(MPT3SAS_FMT "removing unresponding devices: expanders\n",
7379 ioc->name);
7380 spin_lock_irqsave(&ioc->sas_node_lock, flags);
7381 INIT_LIST_HEAD(&tmp_list);
7382 list_for_each_entry_safe(sas_expander, sas_expander_next,
7383 &ioc->sas_expander_list, list) {
7384 if (!sas_expander->responding)
7385 list_move_tail(&sas_expander->list, &tmp_list);
7386 else
7387 sas_expander->responding = 0;
7388 }
7389 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
7390 list_for_each_entry_safe(sas_expander, sas_expander_next, &tmp_list,
7391 list) {
7392 list_del(&sas_expander->list);
7393 _scsih_expander_node_remove(ioc, sas_expander);
7394 }
7395
7396 pr_info(MPT3SAS_FMT "removing unresponding devices: complete\n",
7397 ioc->name);
7398
7399 /* unblock devices */
7400 _scsih_ublock_io_all_device(ioc);
7401}
7402
7403static void
7404_scsih_refresh_expander_links(struct MPT3SAS_ADAPTER *ioc,
7405 struct _sas_node *sas_expander, u16 handle)
7406{
7407 Mpi2ExpanderPage1_t expander_pg1;
7408 Mpi2ConfigReply_t mpi_reply;
7409 int i;
7410
7411 for (i = 0 ; i < sas_expander->num_phys ; i++) {
7412 if ((mpt3sas_config_get_expander_pg1(ioc, &mpi_reply,
7413 &expander_pg1, i, handle))) {
7414 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
7415 ioc->name, __FILE__, __LINE__, __func__);
7416 return;
7417 }
7418
7419 mpt3sas_transport_update_links(ioc, sas_expander->sas_address,
7420 le16_to_cpu(expander_pg1.AttachedDevHandle), i,
7421 expander_pg1.NegotiatedLinkRate >> 4);
7422 }
7423}
7424
7425/**
7426 * _scsih_scan_for_devices_after_reset - scan for devices after host reset
7427 * @ioc: per adapter object
7428 *
7429 * Return nothing.
7430 */
7431static void
7432_scsih_scan_for_devices_after_reset(struct MPT3SAS_ADAPTER *ioc)
7433{
7434 Mpi2ExpanderPage0_t expander_pg0;
7435 Mpi2SasDevicePage0_t sas_device_pg0;
7436 Mpi2RaidVolPage1_t volume_pg1;
7437 Mpi2RaidVolPage0_t volume_pg0;
7438 Mpi2RaidPhysDiskPage0_t pd_pg0;
7439 Mpi2EventIrConfigElement_t element;
7440 Mpi2ConfigReply_t mpi_reply;
7441 u8 phys_disk_num;
7442 u16 ioc_status;
7443 u16 handle, parent_handle;
7444 u64 sas_address;
7445 struct _sas_device *sas_device;
7446 struct _sas_node *expander_device;
7447 static struct _raid_device *raid_device;
7448 u8 retry_count;
7449 unsigned long flags;
7450
7451 pr_info(MPT3SAS_FMT "scan devices: start\n", ioc->name);
7452
7453 _scsih_sas_host_refresh(ioc);
7454
7455 pr_info(MPT3SAS_FMT "\tscan devices: expanders start\n", ioc->name);
7456
7457 /* expanders */
7458 handle = 0xFFFF;
7459 while (!(mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
7460 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) {
7461 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7462 MPI2_IOCSTATUS_MASK;
f92363d1
SR		 7463 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7464 pr_info(MPT3SAS_FMT "\tbreak from expander scan: " \
7465 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7466 ioc->name, ioc_status,
7467 le32_to_cpu(mpi_reply.IOCLogInfo));
7468 break;
7469 }
7470 handle = le16_to_cpu(expander_pg0.DevHandle);
7471 spin_lock_irqsave(&ioc->sas_node_lock, flags);
7472 expander_device = mpt3sas_scsih_expander_find_by_sas_address(
7473 ioc, le64_to_cpu(expander_pg0.SASAddress));
7474 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
7475 if (expander_device)
7476 _scsih_refresh_expander_links(ioc, expander_device,
7477 handle);
7478 else {
7479 pr_info(MPT3SAS_FMT "\tBEFORE adding expander: " \
7480 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name,
7481 handle, (unsigned long long)
7482 le64_to_cpu(expander_pg0.SASAddress));
7483 _scsih_expander_add(ioc, handle);
7484 pr_info(MPT3SAS_FMT "\tAFTER adding expander: " \
7485 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name,
7486 handle, (unsigned long long)
7487 le64_to_cpu(expander_pg0.SASAddress));
7488 }
7489 }
7490
7491 pr_info(MPT3SAS_FMT "\tscan devices: expanders complete\n",
7492 ioc->name);
7493
7494 if (!ioc->ir_firmware)
7495 goto skip_to_sas;
7496
7497 pr_info(MPT3SAS_FMT "\tscan devices: phys disk start\n", ioc->name);
7498
7499 /* phys disk */
7500 phys_disk_num = 0xFF;
7501 while (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
7502 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM,
7503 phys_disk_num))) {
7504 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7505 MPI2_IOCSTATUS_MASK;
f92363d1
SR		 7506 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7507 pr_info(MPT3SAS_FMT "\tbreak from phys disk scan: "\
7508 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7509 ioc->name, ioc_status,
7510 le32_to_cpu(mpi_reply.IOCLogInfo));
7511 break;
7512 }
7513 phys_disk_num = pd_pg0.PhysDiskNum;
7514 handle = le16_to_cpu(pd_pg0.DevHandle);
d1cb5e49
SR		 7515 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
7516 if (sas_device) {
7517 sas_device_put(sas_device);
f92363d1 7518 continue;
d1cb5e49 7519 }
f92363d1
SR		 7520 if (mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
7521 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
7522 handle) != 0)
7523 continue;
7524 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7525 MPI2_IOCSTATUS_MASK;
7526 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7527 pr_info(MPT3SAS_FMT "\tbreak from phys disk scan " \
7528 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7529 ioc->name, ioc_status,
7530 le32_to_cpu(mpi_reply.IOCLogInfo));
7531 break;
7532 }
7533 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
7534 if (!_scsih_get_sas_address(ioc, parent_handle,
7535 &sas_address)) {
7536 pr_info(MPT3SAS_FMT "\tBEFORE adding phys disk: " \
7537 " handle (0x%04x), sas_addr(0x%016llx)\n",
7538 ioc->name, handle, (unsigned long long)
7539 le64_to_cpu(sas_device_pg0.SASAddress));
7540 mpt3sas_transport_update_links(ioc, sas_address,
7541 handle, sas_device_pg0.PhyNum,
7542 MPI2_SAS_NEG_LINK_RATE_1_5);
7543 set_bit(handle, ioc->pd_handles);
7544 retry_count = 0;
7545 /* This will retry adding the end device.
7546 * _scsih_add_device() will decide on retries and
7547 * return "1" when it should be retried
7548 */
7549 while (_scsih_add_device(ioc, handle, retry_count++,
7550 1)) {
7551 ssleep(1);
7552 }
7553 pr_info(MPT3SAS_FMT "\tAFTER adding phys disk: " \
7554 " handle (0x%04x), sas_addr(0x%016llx)\n",
7555 ioc->name, handle, (unsigned long long)
7556 le64_to_cpu(sas_device_pg0.SASAddress));
7557 }
7558 }
7559
7560 pr_info(MPT3SAS_FMT "\tscan devices: phys disk complete\n",
7561 ioc->name);
7562
7563 pr_info(MPT3SAS_FMT "\tscan devices: volumes start\n", ioc->name);
7564
7565 /* volumes */
7566 handle = 0xFFFF;
7567 while (!(mpt3sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
7568 &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
7569 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7570 MPI2_IOCSTATUS_MASK;
f92363d1
SR		 7571 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7572 pr_info(MPT3SAS_FMT "\tbreak from volume scan: " \
7573 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7574 ioc->name, ioc_status,
7575 le32_to_cpu(mpi_reply.IOCLogInfo));
7576 break;
7577 }
7578 handle = le16_to_cpu(volume_pg1.DevHandle);
7579 spin_lock_irqsave(&ioc->raid_device_lock, flags);
7580 raid_device = _scsih_raid_device_find_by_wwid(ioc,
7581 le64_to_cpu(volume_pg1.WWID));
7582 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7583 if (raid_device)
7584 continue;
7585 if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply,
7586 &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
7587 sizeof(Mpi2RaidVolPage0_t)))
7588 continue;
7589 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7590 MPI2_IOCSTATUS_MASK;
7591 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7592 pr_info(MPT3SAS_FMT "\tbreak from volume scan: " \
7593 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7594 ioc->name, ioc_status,
7595 le32_to_cpu(mpi_reply.IOCLogInfo));
7596 break;
7597 }
7598 if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL ||
7599 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE ||
7600 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED) {
7601 memset(&element, 0, sizeof(Mpi2EventIrConfigElement_t));
7602 element.ReasonCode = MPI2_EVENT_IR_CHANGE_RC_ADDED;
7603 element.VolDevHandle = volume_pg1.DevHandle;
7604 pr_info(MPT3SAS_FMT
7605 "\tBEFORE adding volume: handle (0x%04x)\n",
7606 ioc->name, volume_pg1.DevHandle);
7607 _scsih_sas_volume_add(ioc, &element);
7608 pr_info(MPT3SAS_FMT
7609 "\tAFTER adding volume: handle (0x%04x)\n",
7610 ioc->name, volume_pg1.DevHandle);
7611 }
7612 }
7613
7614 pr_info(MPT3SAS_FMT "\tscan devices: volumes complete\n",
7615 ioc->name);
7616
7617 skip_to_sas:
7618
7619 pr_info(MPT3SAS_FMT "\tscan devices: end devices start\n",
7620 ioc->name);
7621
7622 /* sas devices */
7623 handle = 0xFFFF;
7624 while (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
7625 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
7626 handle))) {
7627 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7628 MPI2_IOCSTATUS_MASK;
f92363d1
SR		 7629 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7630 pr_info(MPT3SAS_FMT "\tbreak from end device scan:"\
7631 " ioc_status(0x%04x), loginfo(0x%08x)\n",
7632 ioc->name, ioc_status,
7633 le32_to_cpu(mpi_reply.IOCLogInfo));
7634 break;
7635 }
7636 handle = le16_to_cpu(sas_device_pg0.DevHandle);
7637 if (!(_scsih_is_end_device(
7638 le32_to_cpu(sas_device_pg0.DeviceInfo))))
7639 continue;
d1cb5e49 7640 sas_device = mpt3sas_get_sdev_by_addr(ioc,
f92363d1 7641 le64_to_cpu(sas_device_pg0.SASAddress));
d1cb5e49
SR		 7642 if (sas_device) {
7643 sas_device_put(sas_device);
f92363d1 7644 continue;
d1cb5e49 7645 }
f92363d1
SR		 7646 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
7647 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) {
7648 pr_info(MPT3SAS_FMT "\tBEFORE adding end device: " \
7649 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name,
7650 handle, (unsigned long long)
7651 le64_to_cpu(sas_device_pg0.SASAddress));
7652 mpt3sas_transport_update_links(ioc, sas_address, handle,
7653 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
7654 retry_count = 0;
7655 /* This will retry adding the end device.
7656 * _scsih_add_device() will decide on retries and
7657 * return "1" when it should be retried
7658 */
7659 while (_scsih_add_device(ioc, handle, retry_count++,
7660 0)) {
7661 ssleep(1);
7662 }
7663 pr_info(MPT3SAS_FMT "\tAFTER adding end device: " \
7664 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name,
7665 handle, (unsigned long long)
7666 le64_to_cpu(sas_device_pg0.SASAddress));
7667 }
7668 }
7669 pr_info(MPT3SAS_FMT "\tscan devices: end devices complete\n",
7670 ioc->name);
7671
7672 pr_info(MPT3SAS_FMT "scan devices: complete\n", ioc->name);
7673}
7674/**
7675 * mpt3sas_scsih_reset_handler - reset callback handler (for scsih)
7676 * @ioc: per adapter object
7677 * @reset_phase: phase
7678 *
7679 * The handler for doing any required cleanup or initialization.
7680 *
7681 * The reset phase can be MPT3_IOC_PRE_RESET, MPT3_IOC_AFTER_RESET,
7682 * MPT3_IOC_DONE_RESET
7683 *
7684 * Return nothing.
7685 */
7686void
7687mpt3sas_scsih_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase)
7688{
7689 switch (reset_phase) {
7690 case MPT3_IOC_PRE_RESET:
7691 dtmprintk(ioc, pr_info(MPT3SAS_FMT
7692 "%s: MPT3_IOC_PRE_RESET\n", ioc->name, __func__));
7693 break;
7694 case MPT3_IOC_AFTER_RESET:
7695 dtmprintk(ioc, pr_info(MPT3SAS_FMT
7696 "%s: MPT3_IOC_AFTER_RESET\n", ioc->name, __func__));
7697 if (ioc->scsih_cmds.status & MPT3_CMD_PENDING) {
7698 ioc->scsih_cmds.status |= MPT3_CMD_RESET;
7699 mpt3sas_base_free_smid(ioc, ioc->scsih_cmds.smid);
7700 complete(&ioc->scsih_cmds.done);
7701 }
7702 if (ioc->tm_cmds.status & MPT3_CMD_PENDING) {
7703 ioc->tm_cmds.status |= MPT3_CMD_RESET;
7704 mpt3sas_base_free_smid(ioc, ioc->tm_cmds.smid);
7705 complete(&ioc->tm_cmds.done);
7706 }
7707
7708 _scsih_fw_event_cleanup_queue(ioc);
7709 _scsih_flush_running_cmds(ioc);
7710 break;
7711 case MPT3_IOC_DONE_RESET:
7712 dtmprintk(ioc, pr_info(MPT3SAS_FMT
7713 "%s: MPT3_IOC_DONE_RESET\n", ioc->name, __func__));
7714 if ((!ioc->is_driver_loading) && !(disable_discovery > 0 &&
7715 !ioc->sas_hba.num_phys)) {
7716 _scsih_prep_device_scan(ioc);
7717 _scsih_search_responding_sas_devices(ioc);
7718 _scsih_search_responding_raid_devices(ioc);
7719 _scsih_search_responding_expanders(ioc);
7720 _scsih_error_recovery_delete_devices(ioc);
7721 }
7722 break;
7723 }
7724}
7725
7726/**
7727 * _mpt3sas_fw_work - delayed task for processing firmware events
7728 * @ioc: per adapter object
7729 * @fw_event: The fw_event_work object
7730 * Context: user.
7731 *
7732 * Return nothing.
7733 */
7734static void
7735_mpt3sas_fw_work(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
7736{
146b16c8
SR		 7737 _scsih_fw_event_del_from_list(ioc, fw_event);
7738
f92363d1 7739 /* the queue is being flushed so ignore this event */
146b16c8
SR		 7740 if (ioc->remove_host || ioc->pci_error_recovery) {
7741 fw_event_work_put(fw_event);
f92363d1
SR		 7742 return;
7743 }
7744
7745 switch (fw_event->event) {
7746 case MPT3SAS_PROCESS_TRIGGER_DIAG:
35b62362
JL		 7747 mpt3sas_process_trigger_data(ioc,
7748 (struct SL_WH_TRIGGERS_EVENT_DATA_T *)
7749 fw_event->event_data);
f92363d1
SR		 7750 break;
7751 case MPT3SAS_REMOVE_UNRESPONDING_DEVICES:
146b16c8
SR		 7752 while (scsi_host_in_recovery(ioc->shost) ||
7753 ioc->shost_recovery) {
7754 /*
7755 * If we're unloading, bail. Otherwise, this can become
7756 * an infinite loop.
7757 */
7758 if (ioc->remove_host)
7759 goto out;
f92363d1 7760 ssleep(1);
146b16c8 7761 }
f92363d1
SR		 7762 _scsih_remove_unresponding_sas_devices(ioc);
7763 _scsih_scan_for_devices_after_reset(ioc);
7764 break;
7765 case MPT3SAS_PORT_ENABLE_COMPLETE:
7766 ioc->start_scan = 0;
7767 if (missing_delay[0] != -1 && missing_delay[1] != -1)
7768 mpt3sas_base_update_missing_delay(ioc, missing_delay[0],
7769 missing_delay[1]);
7770 dewtprintk(ioc, pr_info(MPT3SAS_FMT
7771 "port enable: complete from worker thread\n",
7772 ioc->name));
7773 break;
0f624c39
SR		 7774 case MPT3SAS_TURN_ON_PFA_LED:
7775 _scsih_turn_on_pfa_led(ioc, fw_event->device_handle);
f92363d1
SR		 7776 break;
7777 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
7778 _scsih_sas_topology_change_event(ioc, fw_event);
7779 break;
7780 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
7781 _scsih_sas_device_status_change_event(ioc, fw_event);
7782 break;
7783 case MPI2_EVENT_SAS_DISCOVERY:
7784 _scsih_sas_discovery_event(ioc, fw_event);
7785 break;
7786 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
7787 _scsih_sas_broadcast_primitive_event(ioc, fw_event);
7788 break;
7789 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
7790 _scsih_sas_enclosure_dev_status_change_event(ioc,
7791 fw_event);
7792 break;
7793 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
7794 _scsih_sas_ir_config_change_event(ioc, fw_event);
7795 break;
7796 case MPI2_EVENT_IR_VOLUME:
7797 _scsih_sas_ir_volume_event(ioc, fw_event);
7798 break;
7799 case MPI2_EVENT_IR_PHYSICAL_DISK:
7800 _scsih_sas_ir_physical_disk_event(ioc, fw_event);
7801 break;
7802 case MPI2_EVENT_IR_OPERATION_STATUS:
7803 _scsih_sas_ir_operation_status_event(ioc, fw_event);
7804 break;
7805 }
146b16c8
SR		 7806out:
7807 fw_event_work_put(fw_event);
f92363d1
SR		 7808}
7809
7810/**
7811 * _firmware_event_work
7812 * @ioc: per adapter object
7813 * @work: The fw_event_work object
7814 * Context: user.
7815 *
7816 * wrappers for the work thread handling firmware events
7817 *
7818 * Return nothing.
7819 */
7820
7821static void
7822_firmware_event_work(struct work_struct *work)
7823{
7824 struct fw_event_work *fw_event = container_of(work,
7825 struct fw_event_work, work);
7826
7827 _mpt3sas_fw_work(fw_event->ioc, fw_event);
7828}
7829
7830/**
7831 * mpt3sas_scsih_event_callback - firmware event handler (called at ISR time)
7832 * @ioc: per adapter object
7833 * @msix_index: MSIX table index supplied by the OS
7834 * @reply: reply message frame(lower 32bit addr)
7835 * Context: interrupt.
7836 *
7837 * This function merely adds a new work task into ioc->firmware_event_thread.
7838 * The tasks are worked from _firmware_event_work in user context.
7839 *
7840 * Return 1 meaning mf should be freed from _base_interrupt
7841 * 0 means the mf is freed from this function.
7842 */
7843u8
7844mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index,
7845 u32 reply)
7846{
7847 struct fw_event_work *fw_event;
7848 Mpi2EventNotificationReply_t *mpi_reply;
7849 u16 event;
7850 u16 sz;
a470a51c 7851 Mpi26EventDataActiveCableExcept_t *ActiveCableEventData;
f92363d1
SR		 7852
7853 /* events turned off due to host reset or driver unloading */
7854 if (ioc->remove_host || ioc->pci_error_recovery)
7855 return 1;
7856
7857 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
7858
7859 if (unlikely(!mpi_reply)) {
7860 pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n",
7861 ioc->name, __FILE__, __LINE__, __func__);
7862 return 1;
7863 }
7864
7865 event = le16_to_cpu(mpi_reply->Event);
7866
7867 if (event != MPI2_EVENT_LOG_ENTRY_ADDED)
7868 mpt3sas_trigger_event(ioc, event, 0);
7869
7870 switch (event) {
7871 /* handle these */
7872 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
7873 {
7874 Mpi2EventDataSasBroadcastPrimitive_t *baen_data =
7875 (Mpi2EventDataSasBroadcastPrimitive_t *)
7876 mpi_reply->EventData;
7877
7878 if (baen_data->Primitive !=
7879 MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT)
7880 return 1;
7881
7882 if (ioc->broadcast_aen_busy) {
7883 ioc->broadcast_aen_pending++;
7884 return 1;
7885 } else
7886 ioc->broadcast_aen_busy = 1;
7887 break;
7888 }
7889
7890 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
7891 _scsih_check_topo_delete_events(ioc,
7892 (Mpi2EventDataSasTopologyChangeList_t *)
7893 mpi_reply->EventData);
7894 break;
7895 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
7896 _scsih_check_ir_config_unhide_events(ioc,
7897 (Mpi2EventDataIrConfigChangeList_t *)
7898 mpi_reply->EventData);
7899 break;
7900 case MPI2_EVENT_IR_VOLUME:
7901 _scsih_check_volume_delete_events(ioc,
7902 (Mpi2EventDataIrVolume_t *)
7903 mpi_reply->EventData);
7904 break;
7786ab6a
SR		 7905 case MPI2_EVENT_LOG_ENTRY_ADDED:
7906 {
7907 Mpi2EventDataLogEntryAdded_t *log_entry;
7908 u32 *log_code;
7909
7910 if (!ioc->is_warpdrive)
7911 break;
7912
7913 log_entry = (Mpi2EventDataLogEntryAdded_t *)
7914 mpi_reply->EventData;
7915 log_code = (u32 *)log_entry->LogData;
f92363d1 7916
7786ab6a
SR		 7917 if (le16_to_cpu(log_entry->LogEntryQualifier)
7918 != MPT2_WARPDRIVE_LOGENTRY)
7919 break;
7920
7921 switch (le32_to_cpu(*log_code)) {
7922 case MPT2_WARPDRIVE_LC_SSDT:
7923 pr_warn(MPT3SAS_FMT "WarpDrive Warning: "
7924 "IO Throttling has occurred in the WarpDrive "
7925 "subsystem. Check WarpDrive documentation for "
7926 "additional details.\n", ioc->name);
7927 break;
7928 case MPT2_WARPDRIVE_LC_SSDLW:
7929 pr_warn(MPT3SAS_FMT "WarpDrive Warning: "
7930 "Program/Erase Cycles for the WarpDrive subsystem "
7931 "in degraded range. Check WarpDrive documentation "
7932 "for additional details.\n", ioc->name);
7933 break;
7934 case MPT2_WARPDRIVE_LC_SSDLF:
7935 pr_err(MPT3SAS_FMT "WarpDrive Fatal Error: "
7936 "There are no Program/Erase Cycles for the "
7937 "WarpDrive subsystem. The storage device will be "
7938 "in read-only mode. Check WarpDrive documentation "
7939 "for additional details.\n", ioc->name);
7940 break;
7941 case MPT2_WARPDRIVE_LC_BRMF:
7942 pr_err(MPT3SAS_FMT "WarpDrive Fatal Error: "
7943 "The Backup Rail Monitor has failed on the "
7944 "WarpDrive subsystem. Check WarpDrive "
7945 "documentation for additional details.\n",
7946 ioc->name);
7947 break;
7948 }
7949
7950 break;
7951 }
f92363d1
SR		 7952 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
7953 case MPI2_EVENT_IR_OPERATION_STATUS:
7954 case MPI2_EVENT_SAS_DISCOVERY:
7955 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
7956 case MPI2_EVENT_IR_PHYSICAL_DISK:
7957 break;
7958
2d8ce8c9
SR		 7959 case MPI2_EVENT_TEMP_THRESHOLD:
7960 _scsih_temp_threshold_events(ioc,
7961 (Mpi2EventDataTemperature_t *)
7962 mpi_reply->EventData);
7963 break;
a470a51c
C		 7964 case MPI2_EVENT_ACTIVE_CABLE_EXCEPTION:
7965 ActiveCableEventData =
7966 (Mpi26EventDataActiveCableExcept_t *) mpi_reply->EventData;
7967 if (ActiveCableEventData->ReasonCode ==
7968 MPI26_EVENT_ACTIVE_CABLE_INSUFFICIENT_POWER)
7969 pr_info(MPT3SAS_FMT "Currently an active cable with ReceptacleID %d",
7970 ioc->name, ActiveCableEventData->ReceptacleID);
7971 pr_info("cannot be powered and devices connected to this active cable");
7972 pr_info("will not be seen. This active cable");
7973 pr_info("requires %d mW of power",
7974 ActiveCableEventData->ActiveCablePowerRequirement);
7975 break;
2d8ce8c9 7976
f92363d1
SR		 7977 default: /* ignore the rest */
7978 return 1;
7979 }
7980
f92363d1 7981 sz = le16_to_cpu(mpi_reply->EventDataLength) * 4;
146b16c8 7982 fw_event = alloc_fw_event_work(sz);
35b62362 7983 if (!fw_event) {
f92363d1
SR		 7984 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
7985 ioc->name, __FILE__, __LINE__, __func__);
f92363d1
SR		 7986 return 1;
7987 }
7988
7989 memcpy(fw_event->event_data, mpi_reply->EventData, sz);
7990 fw_event->ioc = ioc;
7991 fw_event->VF_ID = mpi_reply->VF_ID;
7992 fw_event->VP_ID = mpi_reply->VP_ID;
7993 fw_event->event = event;
7994 _scsih_fw_event_add(ioc, fw_event);
146b16c8 7995 fw_event_work_put(fw_event);
f92363d1
SR		 7996 return 1;
7997}
7998
f92363d1
SR		 7999/**
8000 * _scsih_expander_node_remove - removing expander device from list.
8001 * @ioc: per adapter object
8002 * @sas_expander: the sas_device object
8003 * Context: Calling function should acquire ioc->sas_node_lock.
8004 *
8005 * Removing object and freeing associated memory from the
8006 * ioc->sas_expander_list.
8007 *
8008 * Return nothing.
8009 */
8010static void
8011_scsih_expander_node_remove(struct MPT3SAS_ADAPTER *ioc,
8012 struct _sas_node *sas_expander)
8013{
8014 struct _sas_port *mpt3sas_port, *next;
8015
8016 /* remove sibling ports attached to this expander */
8017 list_for_each_entry_safe(mpt3sas_port, next,
8018 &sas_expander->sas_port_list, port_list) {
8019 if (ioc->shost_recovery)
8020 return;
8021 if (mpt3sas_port->remote_identify.device_type ==
8022 SAS_END_DEVICE)
8023 mpt3sas_device_remove_by_sas_address(ioc,
8024 mpt3sas_port->remote_identify.sas_address);
8025 else if (mpt3sas_port->remote_identify.device_type ==
8026 SAS_EDGE_EXPANDER_DEVICE ||
8027 mpt3sas_port->remote_identify.device_type ==
8028 SAS_FANOUT_EXPANDER_DEVICE)
8029 mpt3sas_expander_remove(ioc,
8030 mpt3sas_port->remote_identify.sas_address);
8031 }
8032
8033 mpt3sas_transport_port_remove(ioc, sas_expander->sas_address,
8034 sas_expander->sas_address_parent);
8035
8036 pr_info(MPT3SAS_FMT
8037 "expander_remove: handle(0x%04x), sas_addr(0x%016llx)\n",
8038 ioc->name,
8039 sas_expander->handle, (unsigned long long)
8040 sas_expander->sas_address);
8041
8042 kfree(sas_expander->phy);
8043 kfree(sas_expander);
8044}
8045
8046/**
8047 * _scsih_ir_shutdown - IR shutdown notification
8048 * @ioc: per adapter object
8049 *
8050 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
8051 * the host system is shutting down.
8052 *
8053 * Return nothing.
8054 */
8055static void
8056_scsih_ir_shutdown(struct MPT3SAS_ADAPTER *ioc)
8057{
8058 Mpi2RaidActionRequest_t *mpi_request;
8059 Mpi2RaidActionReply_t *mpi_reply;
8060 u16 smid;
8061
8062 /* is IR firmware build loaded ? */
8063 if (!ioc->ir_firmware)
8064 return;
8065
8066 /* are there any volumes ? */
8067 if (list_empty(&ioc->raid_device_list))
8068 return;
8069
8070 mutex_lock(&ioc->scsih_cmds.mutex);
8071
8072 if (ioc->scsih_cmds.status != MPT3_CMD_NOT_USED) {
8073 pr_err(MPT3SAS_FMT "%s: scsih_cmd in use\n",
8074 ioc->name, __func__);
8075 goto out;
8076 }
8077 ioc->scsih_cmds.status = MPT3_CMD_PENDING;
8078
8079 smid = mpt3sas_base_get_smid(ioc, ioc->scsih_cb_idx);
8080 if (!smid) {
8081 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
8082 ioc->name, __func__);
8083 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
8084 goto out;
8085 }
8086
8087 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
8088 ioc->scsih_cmds.smid = smid;
8089 memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t));
8090
8091 mpi_request->Function = MPI2_FUNCTION_RAID_ACTION;
8092 mpi_request->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
8093
7786ab6a
SR		 8094 if (!ioc->hide_ir_msg)
8095 pr_info(MPT3SAS_FMT "IR shutdown (sending)\n", ioc->name);
f92363d1
SR		 8096 init_completion(&ioc->scsih_cmds.done);
8097 mpt3sas_base_put_smid_default(ioc, smid);
8098 wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ);
8099
8100 if (!(ioc->scsih_cmds.status & MPT3_CMD_COMPLETE)) {
8101 pr_err(MPT3SAS_FMT "%s: timeout\n",
8102 ioc->name, __func__);
8103 goto out;
8104 }
8105
8106 if (ioc->scsih_cmds.status & MPT3_CMD_REPLY_VALID) {
8107 mpi_reply = ioc->scsih_cmds.reply;
7786ab6a
SR		 8108 if (!ioc->hide_ir_msg)
8109 pr_info(MPT3SAS_FMT "IR shutdown "
8110 "(complete): ioc_status(0x%04x), loginfo(0x%08x)\n",
8111 ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
8112 le32_to_cpu(mpi_reply->IOCLogInfo));
f92363d1
SR		 8113 }
8114
8115 out:
8116 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
8117 mutex_unlock(&ioc->scsih_cmds.mutex);
8118}
8119
8120/**
8a7e4c24 8121 * scsih_remove - detach and remove add host
f92363d1
SR		 8122 * @pdev: PCI device struct
8123 *
8124 * Routine called when unloading the driver.
8125 * Return nothing.
8126 */
8a7e4c24 8127void scsih_remove(struct pci_dev *pdev)
f92363d1
SR		 8128{
8129 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8130 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8131 struct _sas_port *mpt3sas_port, *next_port;
8132 struct _raid_device *raid_device, *next;
8133 struct MPT3SAS_TARGET *sas_target_priv_data;
8134 struct workqueue_struct *wq;
8135 unsigned long flags;
8136
8137 ioc->remove_host = 1;
8138 _scsih_fw_event_cleanup_queue(ioc);
8139
8140 spin_lock_irqsave(&ioc->fw_event_lock, flags);
8141 wq = ioc->firmware_event_thread;
8142 ioc->firmware_event_thread = NULL;
8143 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
8144 if (wq)
8145 destroy_workqueue(wq);
8146
8147 /* release all the volumes */
8148 _scsih_ir_shutdown(ioc);
8149 list_for_each_entry_safe(raid_device, next, &ioc->raid_device_list,
8150 list) {
8151 if (raid_device->starget) {
8152 sas_target_priv_data =
8153 raid_device->starget->hostdata;
8154 sas_target_priv_data->deleted = 1;
8155 scsi_remove_target(&raid_device->starget->dev);
8156 }
8157 pr_info(MPT3SAS_FMT "removing handle(0x%04x), wwid(0x%016llx)\n",
8158 ioc->name, raid_device->handle,
8159 (unsigned long long) raid_device->wwid);
8160 _scsih_raid_device_remove(ioc, raid_device);
8161 }
8162
8163 /* free ports attached to the sas_host */
8164 list_for_each_entry_safe(mpt3sas_port, next_port,
8165 &ioc->sas_hba.sas_port_list, port_list) {
8166 if (mpt3sas_port->remote_identify.device_type ==
8167 SAS_END_DEVICE)
8168 mpt3sas_device_remove_by_sas_address(ioc,
8169 mpt3sas_port->remote_identify.sas_address);
8170 else if (mpt3sas_port->remote_identify.device_type ==
8171 SAS_EDGE_EXPANDER_DEVICE ||
8172 mpt3sas_port->remote_identify.device_type ==
8173 SAS_FANOUT_EXPANDER_DEVICE)
8174 mpt3sas_expander_remove(ioc,
8175 mpt3sas_port->remote_identify.sas_address);
8176 }
8177
8178 /* free phys attached to the sas_host */
8179 if (ioc->sas_hba.num_phys) {
8180 kfree(ioc->sas_hba.phy);
8181 ioc->sas_hba.phy = NULL;
8182 ioc->sas_hba.num_phys = 0;
8183 }
8184
8185 sas_remove_host(shost);
4dc06fd8 8186 scsi_remove_host(shost);
f92363d1 8187 mpt3sas_base_detach(ioc);
08c4d550 8188 spin_lock(&gioc_lock);
f92363d1 8189 list_del(&ioc->list);
08c4d550 8190 spin_unlock(&gioc_lock);
f92363d1
SR		 8191 scsi_host_put(shost);
8192}
8193
8194/**
8a7e4c24 8195 * scsih_shutdown - routine call during system shutdown
f92363d1
SR		 8196 * @pdev: PCI device struct
8197 *
8198 * Return nothing.
8199 */
8a7e4c24
SR		 8200void
8201scsih_shutdown(struct pci_dev *pdev)
f92363d1
SR		 8202{
8203 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8204 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8205 struct workqueue_struct *wq;
8206 unsigned long flags;
8207
8208 ioc->remove_host = 1;
8209 _scsih_fw_event_cleanup_queue(ioc);
8210
8211 spin_lock_irqsave(&ioc->fw_event_lock, flags);
8212 wq = ioc->firmware_event_thread;
8213 ioc->firmware_event_thread = NULL;
8214 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
8215 if (wq)
8216 destroy_workqueue(wq);
8217
8218 _scsih_ir_shutdown(ioc);
8219 mpt3sas_base_detach(ioc);
8220}
8221
8222
8223/**
8224 * _scsih_probe_boot_devices - reports 1st device
8225 * @ioc: per adapter object
8226 *
8227 * If specified in bios page 2, this routine reports the 1st
8228 * device scsi-ml or sas transport for persistent boot device
8229 * purposes. Please refer to function _scsih_determine_boot_device()
8230 */
8231static void
8232_scsih_probe_boot_devices(struct MPT3SAS_ADAPTER *ioc)
8233{
8234 u8 is_raid;
8235 void *device;
8236 struct _sas_device *sas_device;
8237 struct _raid_device *raid_device;
8238 u16 handle;
8239 u64 sas_address_parent;
8240 u64 sas_address;
8241 unsigned long flags;
8242 int rc;
8243
8244 /* no Bios, return immediately */
8245 if (!ioc->bios_pg3.BiosVersion)
8246 return;
8247
8248 device = NULL;
8249 is_raid = 0;
8250 if (ioc->req_boot_device.device) {
8251 device = ioc->req_boot_device.device;
8252 is_raid = ioc->req_boot_device.is_raid;
8253 } else if (ioc->req_alt_boot_device.device) {
8254 device = ioc->req_alt_boot_device.device;
8255 is_raid = ioc->req_alt_boot_device.is_raid;
8256 } else if (ioc->current_boot_device.device) {
8257 device = ioc->current_boot_device.device;
8258 is_raid = ioc->current_boot_device.is_raid;
8259 }
8260
8261 if (!device)
8262 return;
8263
8264 if (is_raid) {
8265 raid_device = device;
8266 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
8267 raid_device->id, 0);
8268 if (rc)
8269 _scsih_raid_device_remove(ioc, raid_device);
8270 } else {
8271 spin_lock_irqsave(&ioc->sas_device_lock, flags);
8272 sas_device = device;
8273 handle = sas_device->handle;
8274 sas_address_parent = sas_device->sas_address_parent;
8275 sas_address = sas_device->sas_address;
8276 list_move_tail(&sas_device->list, &ioc->sas_device_list);
8277 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
8278
7786ab6a
SR		 8279 if (ioc->hide_drives)
8280 return;
f92363d1
SR		 8281 if (!mpt3sas_transport_port_add(ioc, handle,
8282 sas_address_parent)) {
8283 _scsih_sas_device_remove(ioc, sas_device);
8284 } else if (!sas_device->starget) {
f5edbe77
SR		 8285 if (!ioc->is_driver_loading) {
8286 mpt3sas_transport_port_remove(ioc,
8287 sas_address,
f92363d1 8288 sas_address_parent);
f5edbe77
SR		 8289 _scsih_sas_device_remove(ioc, sas_device);
8290 }
f92363d1
SR		 8291 }
8292 }
8293}
8294
8295/**
8296 * _scsih_probe_raid - reporting raid volumes to scsi-ml
8297 * @ioc: per adapter object
8298 *
8299 * Called during initial loading of the driver.
8300 */
8301static void
8302_scsih_probe_raid(struct MPT3SAS_ADAPTER *ioc)
8303{
8304 struct _raid_device *raid_device, *raid_next;
8305 int rc;
8306
8307 list_for_each_entry_safe(raid_device, raid_next,
8308 &ioc->raid_device_list, list) {
8309 if (raid_device->starget)
8310 continue;
8311 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
8312 raid_device->id, 0);
8313 if (rc)
8314 _scsih_raid_device_remove(ioc, raid_device);
8315 }
8316}
8317
d1cb5e49
SR		 8318static struct _sas_device *get_next_sas_device(struct MPT3SAS_ADAPTER *ioc)
8319{
8320 struct _sas_device *sas_device = NULL;
8321 unsigned long flags;
8322
8323 spin_lock_irqsave(&ioc->sas_device_lock, flags);
8324 if (!list_empty(&ioc->sas_device_init_list)) {
8325 sas_device = list_first_entry(&ioc->sas_device_init_list,
8326 struct _sas_device, list);
8327 sas_device_get(sas_device);
8328 }
8329 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
8330
8331 return sas_device;
8332}
8333
8334static void sas_device_make_active(struct MPT3SAS_ADAPTER *ioc,
8335 struct _sas_device *sas_device)
8336{
8337 unsigned long flags;
8338
8339 spin_lock_irqsave(&ioc->sas_device_lock, flags);
8340
8341 /*
8342 * Since we dropped the lock during the call to port_add(), we need to
8343 * be careful here that somebody else didn't move or delete this item
8344 * while we were busy with other things.
8345 *
8346 * If it was on the list, we need a put() for the reference the list
8347 * had. Either way, we need a get() for the destination list.
8348 */
8349 if (!list_empty(&sas_device->list)) {
8350 list_del_init(&sas_device->list);
8351 sas_device_put(sas_device);
8352 }
8353
8354 sas_device_get(sas_device);
8355 list_add_tail(&sas_device->list, &ioc->sas_device_list);
8356
8357 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
8358}
8359
f92363d1
SR		 8360/**
8361 * _scsih_probe_sas - reporting sas devices to sas transport
8362 * @ioc: per adapter object
8363 *
8364 * Called during initial loading of the driver.
8365 */
8366static void
8367_scsih_probe_sas(struct MPT3SAS_ADAPTER *ioc)
8368{
d1cb5e49 8369 struct _sas_device *sas_device;
f92363d1 8370
d1cb5e49
SR		 8371 if (ioc->hide_drives)
8372 return;
7786ab6a 8373
d1cb5e49 8374 while ((sas_device = get_next_sas_device(ioc))) {
f92363d1
SR		 8375 if (!mpt3sas_transport_port_add(ioc, sas_device->handle,
8376 sas_device->sas_address_parent)) {
d1cb5e49
SR		 8377 _scsih_sas_device_remove(ioc, sas_device);
8378 sas_device_put(sas_device);
f92363d1
SR		 8379 continue;
8380 } else if (!sas_device->starget) {
8381 /*
8382 * When asyn scanning is enabled, its not possible to
8383 * remove devices while scanning is turned on due to an
8384 * oops in scsi_sysfs_add_sdev()->add_device()->
8385 * sysfs_addrm_start()
8386 */
f5edbe77 8387 if (!ioc->is_driver_loading) {
f92363d1
SR		 8388 mpt3sas_transport_port_remove(ioc,
8389 sas_device->sas_address,
8390 sas_device->sas_address_parent);
d1cb5e49
SR		 8391 _scsih_sas_device_remove(ioc, sas_device);
8392 sas_device_put(sas_device);
f5edbe77
SR		 8393 continue;
8394 }
f92363d1 8395 }
d1cb5e49
SR		 8396 sas_device_make_active(ioc, sas_device);
8397 sas_device_put(sas_device);
f92363d1
SR		 8398 }
8399}
8400
8401/**
8402 * _scsih_probe_devices - probing for devices
8403 * @ioc: per adapter object
8404 *
8405 * Called during initial loading of the driver.
8406 */
8407static void
8408_scsih_probe_devices(struct MPT3SAS_ADAPTER *ioc)
8409{
8410 u16 volume_mapping_flags;
8411
8412 if (!(ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR))
8413 return; /* return when IOC doesn't support initiator mode */
8414
8415 _scsih_probe_boot_devices(ioc);
8416
8417 if (ioc->ir_firmware) {
8418 volume_mapping_flags =
8419 le16_to_cpu(ioc->ioc_pg8.IRVolumeMappingFlags) &
8420 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
8421 if (volume_mapping_flags ==
8422 MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
8423 _scsih_probe_raid(ioc);
8424 _scsih_probe_sas(ioc);
8425 } else {
8426 _scsih_probe_sas(ioc);
8427 _scsih_probe_raid(ioc);
8428 }
8429 } else
8430 _scsih_probe_sas(ioc);
8431}
8432
8433/**
8a7e4c24 8434 * scsih_scan_start - scsi lld callback for .scan_start
f92363d1
SR		 8435 * @shost: SCSI host pointer
8436 *
8437 * The shost has the ability to discover targets on its own instead
8438 * of scanning the entire bus. In our implemention, we will kick off
8439 * firmware discovery.
8440 */
8a7e4c24
SR		 8441void
8442scsih_scan_start(struct Scsi_Host *shost)
f92363d1
SR		 8443{
8444 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8445 int rc;
8446 if (diag_buffer_enable != -1 && diag_buffer_enable != 0)
8447 mpt3sas_enable_diag_buffer(ioc, diag_buffer_enable);
8448
8449 if (disable_discovery > 0)
8450 return;
8451
8452 ioc->start_scan = 1;
8453 rc = mpt3sas_port_enable(ioc);
8454
8455 if (rc != 0)
8456 pr_info(MPT3SAS_FMT "port enable: FAILED\n", ioc->name);
8457}
8458
8459/**
8a7e4c24 8460 * scsih_scan_finished - scsi lld callback for .scan_finished
f92363d1
SR		 8461 * @shost: SCSI host pointer
8462 * @time: elapsed time of the scan in jiffies
8463 *
8464 * This function will be called periodicallyn until it returns 1 with the
8465 * scsi_host and the elapsed time of the scan in jiffies. In our implemention,
8466 * we wait for firmware discovery to complete, then return 1.
8467 */
8a7e4c24
SR		 8468int
8469scsih_scan_finished(struct Scsi_Host *shost, unsigned long time)
f92363d1
SR		 8470{
8471 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8472
8473 if (disable_discovery > 0) {
8474 ioc->is_driver_loading = 0;
8475 ioc->wait_for_discovery_to_complete = 0;
8476 return 1;
8477 }
8478
8479 if (time >= (300 * HZ)) {
8480 ioc->base_cmds.status = MPT3_CMD_NOT_USED;
8481 pr_info(MPT3SAS_FMT
8482 "port enable: FAILED with timeout (timeout=300s)\n",
8483 ioc->name);
8484 ioc->is_driver_loading = 0;
8485 return 1;
8486 }
8487
8488 if (ioc->start_scan)
8489 return 0;
8490
8491 if (ioc->start_scan_failed) {
8492 pr_info(MPT3SAS_FMT
8493 "port enable: FAILED with (ioc_status=0x%08x)\n",
8494 ioc->name, ioc->start_scan_failed);
8495 ioc->is_driver_loading = 0;
8496 ioc->wait_for_discovery_to_complete = 0;
8497 ioc->remove_host = 1;
8498 return 1;
8499 }
8500
8501 pr_info(MPT3SAS_FMT "port enable: SUCCESS\n", ioc->name);
8502 ioc->base_cmds.status = MPT3_CMD_NOT_USED;
8503
8504 if (ioc->wait_for_discovery_to_complete) {
8505 ioc->wait_for_discovery_to_complete = 0;
8506 _scsih_probe_devices(ioc);
8507 }
8508 mpt3sas_base_start_watchdog(ioc);
8509 ioc->is_driver_loading = 0;
8510 return 1;
8511}
8512
c84b06a4
SR		 8513/* shost template for SAS 2.0 HBA devices */
8514static struct scsi_host_template mpt2sas_driver_template = {
8515 .module = THIS_MODULE,
8516 .name = "Fusion MPT SAS Host",
8517 .proc_name = MPT2SAS_DRIVER_NAME,
8518 .queuecommand = scsih_qcmd,
8519 .target_alloc = scsih_target_alloc,
8520 .slave_alloc = scsih_slave_alloc,
8521 .slave_configure = scsih_slave_configure,
8522 .target_destroy = scsih_target_destroy,
8523 .slave_destroy = scsih_slave_destroy,
8524 .scan_finished = scsih_scan_finished,
8525 .scan_start = scsih_scan_start,
8526 .change_queue_depth = scsih_change_queue_depth,
8527 .eh_abort_handler = scsih_abort,
8528 .eh_device_reset_handler = scsih_dev_reset,
8529 .eh_target_reset_handler = scsih_target_reset,
8530 .eh_host_reset_handler = scsih_host_reset,
8531 .bios_param = scsih_bios_param,
8532 .can_queue = 1,
8533 .this_id = -1,
8534 .sg_tablesize = MPT2SAS_SG_DEPTH,
8535 .max_sectors = 32767,
8536 .cmd_per_lun = 7,
8537 .use_clustering = ENABLE_CLUSTERING,
8538 .shost_attrs = mpt3sas_host_attrs,
8539 .sdev_attrs = mpt3sas_dev_attrs,
8540 .track_queue_depth = 1,
8541};
8542
8543/* raid transport support for SAS 2.0 HBA devices */
8544static struct raid_function_template mpt2sas_raid_functions = {
8545 .cookie = &mpt2sas_driver_template,
8546 .is_raid = scsih_is_raid,
8547 .get_resync = scsih_get_resync,
8548 .get_state = scsih_get_state,
8549};
d357e84d 8550
c84b06a4
SR		 8551/* shost template for SAS 3.0 HBA devices */
8552static struct scsi_host_template mpt3sas_driver_template = {
8553 .module = THIS_MODULE,
8554 .name = "Fusion MPT SAS Host",
8555 .proc_name = MPT3SAS_DRIVER_NAME,
8556 .queuecommand = scsih_qcmd,
8557 .target_alloc = scsih_target_alloc,
8558 .slave_alloc = scsih_slave_alloc,
8559 .slave_configure = scsih_slave_configure,
8560 .target_destroy = scsih_target_destroy,
8561 .slave_destroy = scsih_slave_destroy,
8562 .scan_finished = scsih_scan_finished,
8563 .scan_start = scsih_scan_start,
8564 .change_queue_depth = scsih_change_queue_depth,
8565 .eh_abort_handler = scsih_abort,
8566 .eh_device_reset_handler = scsih_dev_reset,
8567 .eh_target_reset_handler = scsih_target_reset,
8568 .eh_host_reset_handler = scsih_host_reset,
8569 .bios_param = scsih_bios_param,
8570 .can_queue = 1,
8571 .this_id = -1,
8572 .sg_tablesize = MPT3SAS_SG_DEPTH,
8573 .max_sectors = 32767,
8574 .cmd_per_lun = 7,
8575 .use_clustering = ENABLE_CLUSTERING,
8576 .shost_attrs = mpt3sas_host_attrs,
8577 .sdev_attrs = mpt3sas_dev_attrs,
8578 .track_queue_depth = 1,
8579};
8580
8581/* raid transport support for SAS 3.0 HBA devices */
8582static struct raid_function_template mpt3sas_raid_functions = {
8583 .cookie = &mpt3sas_driver_template,
8584 .is_raid = scsih_is_raid,
8585 .get_resync = scsih_get_resync,
8586 .get_state = scsih_get_state,
8587};
8588
8589/**
8590 * _scsih_determine_hba_mpi_version - determine in which MPI version class
8591 * this device belongs to.
8592 * @pdev: PCI device struct
8593 *
8594 * return MPI2_VERSION for SAS 2.0 HBA devices,
b130b0d5
SS		 8595 * MPI25_VERSION for SAS 3.0 HBA devices, and
8596 * MPI26 VERSION for Cutlass & Invader SAS 3.0 HBA devices
c84b06a4
SR		 8597 */
8598u16
8599_scsih_determine_hba_mpi_version(struct pci_dev *pdev)
8600{
8601
8602 switch (pdev->device) {
7786ab6a 8603 case MPI2_MFGPAGE_DEVID_SSS6200:
d357e84d
SR		 8604 case MPI2_MFGPAGE_DEVID_SAS2004:
8605 case MPI2_MFGPAGE_DEVID_SAS2008:
8606 case MPI2_MFGPAGE_DEVID_SAS2108_1:
8607 case MPI2_MFGPAGE_DEVID_SAS2108_2:
8608 case MPI2_MFGPAGE_DEVID_SAS2108_3:
8609 case MPI2_MFGPAGE_DEVID_SAS2116_1:
8610 case MPI2_MFGPAGE_DEVID_SAS2116_2:
8611 case MPI2_MFGPAGE_DEVID_SAS2208_1:
8612 case MPI2_MFGPAGE_DEVID_SAS2208_2:
8613 case MPI2_MFGPAGE_DEVID_SAS2208_3:
8614 case MPI2_MFGPAGE_DEVID_SAS2208_4:
8615 case MPI2_MFGPAGE_DEVID_SAS2208_5:
8616 case MPI2_MFGPAGE_DEVID_SAS2208_6:
8617 case MPI2_MFGPAGE_DEVID_SAS2308_1:
8618 case MPI2_MFGPAGE_DEVID_SAS2308_2:
8619 case MPI2_MFGPAGE_DEVID_SAS2308_3:
c84b06a4 8620 return MPI2_VERSION;
d357e84d
SR		 8621 case MPI25_MFGPAGE_DEVID_SAS3004:
8622 case MPI25_MFGPAGE_DEVID_SAS3008:
8623 case MPI25_MFGPAGE_DEVID_SAS3108_1:
8624 case MPI25_MFGPAGE_DEVID_SAS3108_2:
8625 case MPI25_MFGPAGE_DEVID_SAS3108_5:
8626 case MPI25_MFGPAGE_DEVID_SAS3108_6:
c84b06a4 8627 return MPI25_VERSION;
b130b0d5
SS		 8628 case MPI26_MFGPAGE_DEVID_SAS3216:
8629 case MPI26_MFGPAGE_DEVID_SAS3224:
8630 case MPI26_MFGPAGE_DEVID_SAS3316_1:
8631 case MPI26_MFGPAGE_DEVID_SAS3316_2:
8632 case MPI26_MFGPAGE_DEVID_SAS3316_3:
8633 case MPI26_MFGPAGE_DEVID_SAS3316_4:
8634 case MPI26_MFGPAGE_DEVID_SAS3324_1:
8635 case MPI26_MFGPAGE_DEVID_SAS3324_2:
8636 case MPI26_MFGPAGE_DEVID_SAS3324_3:
8637 case MPI26_MFGPAGE_DEVID_SAS3324_4:
8638 return MPI26_VERSION;
d357e84d 8639 }
c84b06a4 8640 return 0;
d357e84d
SR		 8641}
8642
f92363d1 8643/**
c84b06a4 8644 * _scsih_probe - attach and add scsi host
f92363d1
SR		 8645 * @pdev: PCI device struct
8646 * @id: pci device id
8647 *
8648 * Returns 0 success, anything else error.
8649 */
8a7e4c24 8650int
c84b06a4 8651_scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
f92363d1
SR		 8652{
8653 struct MPT3SAS_ADAPTER *ioc;
c84b06a4 8654 struct Scsi_Host *shost = NULL;
b65f1d4d 8655 int rv;
c84b06a4
SR		 8656 u16 hba_mpi_version;
8657
8658 /* Determine in which MPI version class this pci device belongs */
8659 hba_mpi_version = _scsih_determine_hba_mpi_version(pdev);
8660 if (hba_mpi_version == 0)
8661 return -ENODEV;
8662
8663 /* Enumerate only SAS 2.0 HBA's if hbas_to_enumerate is one,
8664 * for other generation HBA's return with -ENODEV
8665 */
8666 if ((hbas_to_enumerate == 1) && (hba_mpi_version != MPI2_VERSION))
8667 return -ENODEV;
8668
8669 /* Enumerate only SAS 3.0 HBA's if hbas_to_enumerate is two,
8670 * for other generation HBA's return with -ENODEV
8671 */
b130b0d5
SS		 8672 if ((hbas_to_enumerate == 2) && (!(hba_mpi_version == MPI25_VERSION
8673 || hba_mpi_version == MPI26_VERSION)))
c84b06a4
SR		 8674 return -ENODEV;
8675
8676 switch (hba_mpi_version) {
8677 case MPI2_VERSION:
8678 /* Use mpt2sas driver host template for SAS 2.0 HBA's */
8679 shost = scsi_host_alloc(&mpt2sas_driver_template,
8680 sizeof(struct MPT3SAS_ADAPTER));
8681 if (!shost)
8682 return -ENODEV;
8683 ioc = shost_priv(shost);
8684 memset(ioc, 0, sizeof(struct MPT3SAS_ADAPTER));
8685 ioc->hba_mpi_version_belonged = hba_mpi_version;
8686 ioc->id = mpt2_ids++;
8687 sprintf(ioc->driver_name, "%s", MPT2SAS_DRIVER_NAME);
8688 if (pdev->device == MPI2_MFGPAGE_DEVID_SSS6200) {
8689 ioc->is_warpdrive = 1;
8690 ioc->hide_ir_msg = 1;
8691 } else
8692 ioc->mfg_pg10_hide_flag = MFG_PAGE10_EXPOSE_ALL_DISKS;
8693 break;
8694 case MPI25_VERSION:
b130b0d5 8695 case MPI26_VERSION:
c84b06a4
SR		 8696 /* Use mpt3sas driver host template for SAS 3.0 HBA's */
8697 shost = scsi_host_alloc(&mpt3sas_driver_template,
8698 sizeof(struct MPT3SAS_ADAPTER));
8699 if (!shost)
8700 return -ENODEV;
8701 ioc = shost_priv(shost);
8702 memset(ioc, 0, sizeof(struct MPT3SAS_ADAPTER));
8703 ioc->hba_mpi_version_belonged = hba_mpi_version;
8704 ioc->id = mpt3_ids++;
8705 sprintf(ioc->driver_name, "%s", MPT3SAS_DRIVER_NAME);
b130b0d5
SS		 8706 if ((ioc->hba_mpi_version_belonged == MPI25_VERSION &&
8707 pdev->revision >= SAS3_PCI_DEVICE_C0_REVISION) ||
8708 (ioc->hba_mpi_version_belonged == MPI26_VERSION))
c84b06a4
SR		 8709 ioc->msix96_vector = 1;
8710 break;
8711 default:
8712 return -ENODEV;
8713 }
f92363d1 8714
f92363d1 8715 INIT_LIST_HEAD(&ioc->list);
08c4d550 8716 spin_lock(&gioc_lock);
f92363d1 8717 list_add_tail(&ioc->list, &mpt3sas_ioc_list);
08c4d550 8718 spin_unlock(&gioc_lock);
f92363d1 8719 ioc->shost = shost;
f92363d1
SR		 8720 ioc->pdev = pdev;
8721 ioc->scsi_io_cb_idx = scsi_io_cb_idx;
8722 ioc->tm_cb_idx = tm_cb_idx;
8723 ioc->ctl_cb_idx = ctl_cb_idx;
8724 ioc->base_cb_idx = base_cb_idx;
8725 ioc->port_enable_cb_idx = port_enable_cb_idx;
8726 ioc->transport_cb_idx = transport_cb_idx;
8727 ioc->scsih_cb_idx = scsih_cb_idx;
8728 ioc->config_cb_idx = config_cb_idx;
8729 ioc->tm_tr_cb_idx = tm_tr_cb_idx;
8730 ioc->tm_tr_volume_cb_idx = tm_tr_volume_cb_idx;
8731 ioc->tm_sas_control_cb_idx = tm_sas_control_cb_idx;
8732 ioc->logging_level = logging_level;
8733 ioc->schedule_dead_ioc_flush_running_cmds = &_scsih_flush_running_cmds;
8734 /* misc semaphores and spin locks */
8735 mutex_init(&ioc->reset_in_progress_mutex);
08c4d550
SR		 8736 /* initializing pci_access_mutex lock */
8737 mutex_init(&ioc->pci_access_mutex);
f92363d1
SR		 8738 spin_lock_init(&ioc->ioc_reset_in_progress_lock);
8739 spin_lock_init(&ioc->scsi_lookup_lock);
8740 spin_lock_init(&ioc->sas_device_lock);
8741 spin_lock_init(&ioc->sas_node_lock);
8742 spin_lock_init(&ioc->fw_event_lock);
8743 spin_lock_init(&ioc->raid_device_lock);
8744 spin_lock_init(&ioc->diag_trigger_lock);
8745
8746 INIT_LIST_HEAD(&ioc->sas_device_list);
8747 INIT_LIST_HEAD(&ioc->sas_device_init_list);
8748 INIT_LIST_HEAD(&ioc->sas_expander_list);
8749 INIT_LIST_HEAD(&ioc->fw_event_list);
8750 INIT_LIST_HEAD(&ioc->raid_device_list);
8751 INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list);
8752 INIT_LIST_HEAD(&ioc->delayed_tr_list);
fd0331b3
SS		 8753 INIT_LIST_HEAD(&ioc->delayed_sc_list);
8754 INIT_LIST_HEAD(&ioc->delayed_event_ack_list);
f92363d1 8755 INIT_LIST_HEAD(&ioc->delayed_tr_volume_list);
cf9bd21a 8756 INIT_LIST_HEAD(&ioc->reply_queue_list);
f92363d1 8757
c84b06a4 8758 sprintf(ioc->name, "%s_cm%d", ioc->driver_name, ioc->id);
d357e84d 8759
f92363d1
SR		 8760 /* init shost parameters */
8761 shost->max_cmd_len = 32;
8762 shost->max_lun = max_lun;
8763 shost->transportt = mpt3sas_transport_template;
8764 shost->unique_id = ioc->id;
8765
8766 if (max_sectors != 0xFFFF) {
8767 if (max_sectors < 64) {
8768 shost->max_sectors = 64;
8769 pr_warn(MPT3SAS_FMT "Invalid value %d passed " \
8770 "for max_sectors, range is 64 to 32767. Assigning "
8771 "value of 64.\n", ioc->name, max_sectors);
8772 } else if (max_sectors > 32767) {
8773 shost->max_sectors = 32767;
8774 pr_warn(MPT3SAS_FMT "Invalid value %d passed " \
8775 "for max_sectors, range is 64 to 32767. Assigning "
8776 "default value of 32767.\n", ioc->name,
8777 max_sectors);
8778 } else {
8779 shost->max_sectors = max_sectors & 0xFFFE;
8780 pr_info(MPT3SAS_FMT
8781 "The max_sectors value is set to %d\n",
8782 ioc->name, shost->max_sectors);
8783 }
8784 }
8785
f92363d1
SR		 8786 /* register EEDP capabilities with SCSI layer */
8787 if (prot_mask > 0)
8788 scsi_host_set_prot(shost, prot_mask);
8789 else
8790 scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION
8791 | SHOST_DIF_TYPE2_PROTECTION
8792 | SHOST_DIF_TYPE3_PROTECTION);
8793
8794 scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC);
8795
8796 /* event thread */
8797 snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name),
c84b06a4 8798 "fw_event_%s%d", ioc->driver_name, ioc->id);
bdff785e
SR		 8799 ioc->firmware_event_thread = alloc_ordered_workqueue(
8800 ioc->firmware_event_name, WQ_MEM_RECLAIM);
f92363d1
SR		 8801 if (!ioc->firmware_event_thread) {
8802 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
8803 ioc->name, __FILE__, __LINE__, __func__);
b65f1d4d 8804 rv = -ENODEV;
f92363d1
SR		 8805 goto out_thread_fail;
8806 }
8807
8808 ioc->is_driver_loading = 1;
8809 if ((mpt3sas_base_attach(ioc))) {
8810 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
8811 ioc->name, __FILE__, __LINE__, __func__);
b65f1d4d 8812 rv = -ENODEV;
f92363d1
SR		 8813 goto out_attach_fail;
8814 }
7786ab6a 8815
7786ab6a
SR		 8816 if (ioc->is_warpdrive) {
8817 if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_EXPOSE_ALL_DISKS)
8818 ioc->hide_drives = 0;
8819 else if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_HIDE_ALL_DISKS)
8820 ioc->hide_drives = 1;
8821 else {
c84b06a4 8822 if (mpt3sas_get_num_volumes(ioc))
7786ab6a
SR		 8823 ioc->hide_drives = 1;
8824 else
8825 ioc->hide_drives = 0;
8826 }
8827 } else
8828 ioc->hide_drives = 0;
7786ab6a 8829
b65f1d4d
SR		 8830 rv = scsi_add_host(shost, &pdev->dev);
8831 if (rv) {
4dc06fd8
RS		 8832 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
8833 ioc->name, __FILE__, __LINE__, __func__);
4dc06fd8
RS		 8834 goto out_add_shost_fail;
8835 }
8836
f92363d1
SR		 8837 scsi_scan_host(shost);
8838 return 0;
4dc06fd8
RS		 8839out_add_shost_fail:
8840 mpt3sas_base_detach(ioc);
f92363d1
SR		 8841 out_attach_fail:
8842 destroy_workqueue(ioc->firmware_event_thread);
8843 out_thread_fail:
08c4d550 8844 spin_lock(&gioc_lock);
f92363d1 8845 list_del(&ioc->list);
08c4d550 8846 spin_unlock(&gioc_lock);
f92363d1 8847 scsi_host_put(shost);
b65f1d4d 8848 return rv;
f92363d1
SR		 8849}
8850
8851#ifdef CONFIG_PM
8852/**
8a7e4c24 8853 * scsih_suspend - power management suspend main entry point
f92363d1
SR		 8854 * @pdev: PCI device struct
8855 * @state: PM state change to (usually PCI_D3)
8856 *
8857 * Returns 0 success, anything else error.
8858 */
8a7e4c24
SR		 8859int
8860scsih_suspend(struct pci_dev *pdev, pm_message_t state)
f92363d1
SR		 8861{
8862 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8863 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8864 pci_power_t device_state;
8865
8866 mpt3sas_base_stop_watchdog(ioc);
8867 flush_scheduled_work();
8868 scsi_block_requests(shost);
8869 device_state = pci_choose_state(pdev, state);
8870 pr_info(MPT3SAS_FMT
8871 "pdev=0x%p, slot=%s, entering operating state [D%d]\n",
8872 ioc->name, pdev, pci_name(pdev), device_state);
8873
8874 pci_save_state(pdev);
8875 mpt3sas_base_free_resources(ioc);
8876 pci_set_power_state(pdev, device_state);
8877 return 0;
8878}
8879
8880/**
8a7e4c24 8881 * scsih_resume - power management resume main entry point
f92363d1
SR		 8882 * @pdev: PCI device struct
8883 *
8884 * Returns 0 success, anything else error.
8885 */
8a7e4c24
SR		 8886int
8887scsih_resume(struct pci_dev *pdev)
f92363d1
SR		 8888{
8889 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8890 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8891 pci_power_t device_state = pdev->current_state;
8892 int r;
8893
8894 pr_info(MPT3SAS_FMT
8895 "pdev=0x%p, slot=%s, previous operating state [D%d]\n",
8896 ioc->name, pdev, pci_name(pdev), device_state);
8897
8898 pci_set_power_state(pdev, PCI_D0);
8899 pci_enable_wake(pdev, PCI_D0, 0);
8900 pci_restore_state(pdev);
8901 ioc->pdev = pdev;
8902 r = mpt3sas_base_map_resources(ioc);
8903 if (r)
8904 return r;
8905
8906 mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP, SOFT_RESET);
8907 scsi_unblock_requests(shost);
8908 mpt3sas_base_start_watchdog(ioc);
8909 return 0;
8910}
8911#endif /* CONFIG_PM */
8912
8913/**
8a7e4c24 8914 * scsih_pci_error_detected - Called when a PCI error is detected.
f92363d1
SR		 8915 * @pdev: PCI device struct
8916 * @state: PCI channel state
8917 *
8918 * Description: Called when a PCI error is detected.
8919 *
8920 * Return value:
8921 * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT
8922 */
8a7e4c24
SR		 8923pci_ers_result_t
8924scsih_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
f92363d1
SR		 8925{
8926 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8927 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8928
8929 pr_info(MPT3SAS_FMT "PCI error: detected callback, state(%d)!!\n",
8930 ioc->name, state);
8931
8932 switch (state) {
8933 case pci_channel_io_normal:
8934 return PCI_ERS_RESULT_CAN_RECOVER;
8935 case pci_channel_io_frozen:
8936 /* Fatal error, prepare for slot reset */
8937 ioc->pci_error_recovery = 1;
8938 scsi_block_requests(ioc->shost);
8939 mpt3sas_base_stop_watchdog(ioc);
8940 mpt3sas_base_free_resources(ioc);
8941 return PCI_ERS_RESULT_NEED_RESET;
8942 case pci_channel_io_perm_failure:
8943 /* Permanent error, prepare for device removal */
8944 ioc->pci_error_recovery = 1;
8945 mpt3sas_base_stop_watchdog(ioc);
8946 _scsih_flush_running_cmds(ioc);
8947 return PCI_ERS_RESULT_DISCONNECT;
8948 }
8949 return PCI_ERS_RESULT_NEED_RESET;
8950}
8951
8952/**
8a7e4c24 8953 * scsih_pci_slot_reset - Called when PCI slot has been reset.
f92363d1
SR		 8954 * @pdev: PCI device struct
8955 *
8956 * Description: This routine is called by the pci error recovery
8957 * code after the PCI slot has been reset, just before we
8958 * should resume normal operations.
8959 */
8a7e4c24
SR		 8960pci_ers_result_t
8961scsih_pci_slot_reset(struct pci_dev *pdev)
f92363d1
SR		 8962{
8963 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8964 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8965 int rc;
8966
8967 pr_info(MPT3SAS_FMT "PCI error: slot reset callback!!\n",
8968 ioc->name);
8969
8970 ioc->pci_error_recovery = 0;
8971 ioc->pdev = pdev;
8972 pci_restore_state(pdev);
8973 rc = mpt3sas_base_map_resources(ioc);
8974 if (rc)
8975 return PCI_ERS_RESULT_DISCONNECT;
8976
8977 rc = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP,
8978 FORCE_BIG_HAMMER);
8979
8980 pr_warn(MPT3SAS_FMT "hard reset: %s\n", ioc->name,
8981 (rc == 0) ? "success" : "failed");
8982
8983 if (!rc)
8984 return PCI_ERS_RESULT_RECOVERED;
8985 else
8986 return PCI_ERS_RESULT_DISCONNECT;
8987}
8988
8989/**
8a7e4c24 8990 * scsih_pci_resume() - resume normal ops after PCI reset
f92363d1
SR		 8991 * @pdev: pointer to PCI device
8992 *
8993 * Called when the error recovery driver tells us that its
8994 * OK to resume normal operation. Use completion to allow
8995 * halted scsi ops to resume.
8996 */
8a7e4c24
SR		 8997void
8998scsih_pci_resume(struct pci_dev *pdev)
f92363d1
SR		 8999{
9000 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9001 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
9002
9003 pr_info(MPT3SAS_FMT "PCI error: resume callback!!\n", ioc->name);
9004
9005 pci_cleanup_aer_uncorrect_error_status(pdev);
9006 mpt3sas_base_start_watchdog(ioc);
9007 scsi_unblock_requests(ioc->shost);
9008}
9009
9010/**
8a7e4c24 9011 * scsih_pci_mmio_enabled - Enable MMIO and dump debug registers
f92363d1
SR		 9012 * @pdev: pointer to PCI device
9013 */
8a7e4c24
SR		 9014pci_ers_result_t
9015scsih_pci_mmio_enabled(struct pci_dev *pdev)
f92363d1
SR		 9016{
9017 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9018 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
9019
9020 pr_info(MPT3SAS_FMT "PCI error: mmio enabled callback!!\n",
9021 ioc->name);
9022
9023 /* TODO - dump whatever for debugging purposes */
9024
9025 /* Request a slot reset. */
9026 return PCI_ERS_RESULT_NEED_RESET;
9027}
9028
c84b06a4
SR		 9029/*
9030 * The pci device ids are defined in mpi/mpi2_cnfg.h.
9031 */
9032static const struct pci_device_id mpt3sas_pci_table[] = {
9033 /* Spitfire ~ 2004 */
9034 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004,
9035 PCI_ANY_ID, PCI_ANY_ID },
9036 /* Falcon ~ 2008 */
9037 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008,
9038 PCI_ANY_ID, PCI_ANY_ID },
9039 /* Liberator ~ 2108 */
9040 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1,
9041 PCI_ANY_ID, PCI_ANY_ID },
9042 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2,
9043 PCI_ANY_ID, PCI_ANY_ID },
9044 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3,
9045 PCI_ANY_ID, PCI_ANY_ID },
9046 /* Meteor ~ 2116 */
9047 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1,
9048 PCI_ANY_ID, PCI_ANY_ID },
9049 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2,
9050 PCI_ANY_ID, PCI_ANY_ID },
9051 /* Thunderbolt ~ 2208 */
9052 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1,
9053 PCI_ANY_ID, PCI_ANY_ID },
9054 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_2,
9055 PCI_ANY_ID, PCI_ANY_ID },
9056 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_3,
9057 PCI_ANY_ID, PCI_ANY_ID },
9058 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_4,
9059 PCI_ANY_ID, PCI_ANY_ID },
9060 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_5,
9061 PCI_ANY_ID, PCI_ANY_ID },
9062 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6,
9063 PCI_ANY_ID, PCI_ANY_ID },
9064 /* Mustang ~ 2308 */
9065 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_1,
9066 PCI_ANY_ID, PCI_ANY_ID },
9067 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2,
9068 PCI_ANY_ID, PCI_ANY_ID },
9069 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_3,
9070 PCI_ANY_ID, PCI_ANY_ID },
9071 /* SSS6200 */
9072 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SSS6200,
9073 PCI_ANY_ID, PCI_ANY_ID },
9074 /* Fury ~ 3004 and 3008 */
9075 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3004,
9076 PCI_ANY_ID, PCI_ANY_ID },
9077 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3008,
9078 PCI_ANY_ID, PCI_ANY_ID },
9079 /* Invader ~ 3108 */
9080 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_1,
9081 PCI_ANY_ID, PCI_ANY_ID },
9082 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_2,
9083 PCI_ANY_ID, PCI_ANY_ID },
9084 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_5,
9085 PCI_ANY_ID, PCI_ANY_ID },
9086 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_6,
9087 PCI_ANY_ID, PCI_ANY_ID },
b130b0d5
SS		 9088 /* Cutlass ~ 3216 and 3224 */
9089 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3216,
9090 PCI_ANY_ID, PCI_ANY_ID },
9091 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3224,
9092 PCI_ANY_ID, PCI_ANY_ID },
9093 /* Intruder ~ 3316 and 3324 */
9094 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_1,
9095 PCI_ANY_ID, PCI_ANY_ID },
9096 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_2,
9097 PCI_ANY_ID, PCI_ANY_ID },
9098 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_3,
9099 PCI_ANY_ID, PCI_ANY_ID },
9100 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_4,
9101 PCI_ANY_ID, PCI_ANY_ID },
9102 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_1,
9103 PCI_ANY_ID, PCI_ANY_ID },
9104 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_2,
9105 PCI_ANY_ID, PCI_ANY_ID },
9106 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_3,
9107 PCI_ANY_ID, PCI_ANY_ID },
9108 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_4,
9109 PCI_ANY_ID, PCI_ANY_ID },
c84b06a4
SR		 9110 {0} /* Terminating entry */
9111};
9112MODULE_DEVICE_TABLE(pci, mpt3sas_pci_table);
9113
9114static struct pci_error_handlers _mpt3sas_err_handler = {
9115 .error_detected = scsih_pci_error_detected,
9116 .mmio_enabled = scsih_pci_mmio_enabled,
9117 .slot_reset = scsih_pci_slot_reset,
9118 .resume = scsih_pci_resume,
9119};
9120
9121static struct pci_driver mpt3sas_driver = {
9122 .name = MPT3SAS_DRIVER_NAME,
9123 .id_table = mpt3sas_pci_table,
9124 .probe = _scsih_probe,
9125 .remove = scsih_remove,
9126 .shutdown = scsih_shutdown,
9127 .err_handler = &_mpt3sas_err_handler,
9128#ifdef CONFIG_PM
9129 .suspend = scsih_suspend,
9130 .resume = scsih_resume,
9131#endif
9132};
9133
f92363d1 9134/**
8a7e4c24 9135 * scsih_init - main entry point for this driver.
f92363d1
SR		 9136 *
9137 * Returns 0 success, anything else error.
9138 */
8a7e4c24
SR		 9139int
9140scsih_init(void)
f92363d1 9141{
c84b06a4
SR		 9142 mpt2_ids = 0;
9143 mpt3_ids = 0;
f92363d1 9144
f92363d1
SR		 9145 mpt3sas_base_initialize_callback_handler();
9146
9147 /* queuecommand callback hander */
9148 scsi_io_cb_idx = mpt3sas_base_register_callback_handler(_scsih_io_done);
9149
9150 /* task managment callback handler */
9151 tm_cb_idx = mpt3sas_base_register_callback_handler(_scsih_tm_done);
9152
9153 /* base internal commands callback handler */
9154 base_cb_idx = mpt3sas_base_register_callback_handler(mpt3sas_base_done);
9155 port_enable_cb_idx = mpt3sas_base_register_callback_handler(
9156 mpt3sas_port_enable_done);
9157
9158 /* transport internal commands callback handler */
9159 transport_cb_idx = mpt3sas_base_register_callback_handler(
9160 mpt3sas_transport_done);
9161
9162 /* scsih internal commands callback handler */
9163 scsih_cb_idx = mpt3sas_base_register_callback_handler(_scsih_done);
9164
9165 /* configuration page API internal commands callback handler */
9166 config_cb_idx = mpt3sas_base_register_callback_handler(
9167 mpt3sas_config_done);
9168
9169 /* ctl module callback handler */
9170 ctl_cb_idx = mpt3sas_base_register_callback_handler(mpt3sas_ctl_done);
9171
9172 tm_tr_cb_idx = mpt3sas_base_register_callback_handler(
9173 _scsih_tm_tr_complete);
9174
9175 tm_tr_volume_cb_idx = mpt3sas_base_register_callback_handler(
9176 _scsih_tm_volume_tr_complete);
9177
9178 tm_sas_control_cb_idx = mpt3sas_base_register_callback_handler(
9179 _scsih_sas_control_complete);
9180
7497392a 9181 return 0;
f92363d1
SR		 9182}
9183
9184/**
7497392a 9185 * scsih_exit - exit point for this driver (when it is a module).
f92363d1
SR		 9186 *
9187 * Returns 0 success, anything else error.
9188 */
8a7e4c24
SR		 9189void
9190scsih_exit(void)
f92363d1 9191{
f92363d1
SR		 9192
9193 mpt3sas_base_release_callback_handler(scsi_io_cb_idx);
9194 mpt3sas_base_release_callback_handler(tm_cb_idx);
9195 mpt3sas_base_release_callback_handler(base_cb_idx);
9196 mpt3sas_base_release_callback_handler(port_enable_cb_idx);
9197 mpt3sas_base_release_callback_handler(transport_cb_idx);
9198 mpt3sas_base_release_callback_handler(scsih_cb_idx);
9199 mpt3sas_base_release_callback_handler(config_cb_idx);
9200 mpt3sas_base_release_callback_handler(ctl_cb_idx);
9201
9202 mpt3sas_base_release_callback_handler(tm_tr_cb_idx);
9203 mpt3sas_base_release_callback_handler(tm_tr_volume_cb_idx);
9204 mpt3sas_base_release_callback_handler(tm_sas_control_cb_idx);
9205
9206/* raid transport support */
c84b06a4
SR		 9207 if (hbas_to_enumerate != 1)
9208 raid_class_release(mpt3sas_raid_template);
9209 if (hbas_to_enumerate != 2)
9210 raid_class_release(mpt2sas_raid_template);
f92363d1
SR		 9211 sas_release_transport(mpt3sas_transport_template);
9212}
7786ab6a 9213
c84b06a4
SR		 9214/**
9215 * _mpt3sas_init - main entry point for this driver.
9216 *
9217 * Returns 0 success, anything else error.
9218 */
9219static int __init
9220_mpt3sas_init(void)
9221{
9222 int error;
9223
9224 pr_info("%s version %s loaded\n", MPT3SAS_DRIVER_NAME,
9225 MPT3SAS_DRIVER_VERSION);
9226
9227 mpt3sas_transport_template =
9228 sas_attach_transport(&mpt3sas_transport_functions);
9229 if (!mpt3sas_transport_template)
9230 return -ENODEV;
9231
9232 /* No need attach mpt3sas raid functions template
9233 * if hbas_to_enumarate value is one.
9234 */
9235 if (hbas_to_enumerate != 1) {
9236 mpt3sas_raid_template =
9237 raid_class_attach(&mpt3sas_raid_functions);
9238 if (!mpt3sas_raid_template) {
9239 sas_release_transport(mpt3sas_transport_template);
9240 return -ENODEV;
9241 }
9242 }
9243
9244 /* No need to attach mpt2sas raid functions template
9245 * if hbas_to_enumarate value is two
9246 */
9247 if (hbas_to_enumerate != 2) {
9248 mpt2sas_raid_template =
9249 raid_class_attach(&mpt2sas_raid_functions);
9250 if (!mpt2sas_raid_template) {
9251 sas_release_transport(mpt3sas_transport_template);
9252 return -ENODEV;
9253 }
9254 }
9255
9256 error = scsih_init();
9257 if (error) {
9258 scsih_exit();
9259 return error;
9260 }
9261
9262 mpt3sas_ctl_init(hbas_to_enumerate);
9263
9264 error = pci_register_driver(&mpt3sas_driver);
9265 if (error)
9266 scsih_exit();
9267
9268 return error;
9269}
9270
9271/**
9272 * _mpt3sas_exit - exit point for this driver (when it is a module).
9273 *
9274 */
9275static void __exit
9276_mpt3sas_exit(void)
9277{
9278 pr_info("mpt3sas version %s unloading\n",
9279 MPT3SAS_DRIVER_VERSION);
9280
9281 pci_unregister_driver(&mpt3sas_driver);
9282
9283 mpt3sas_ctl_exit(hbas_to_enumerate);
9284
9285 scsih_exit();
9286}
9287
9288module_init(_mpt3sas_init);
9289module_exit(_mpt3sas_exit);
Linux 6.x block layer and io_uring tree(s)