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Merge tag 'mfd-fixes-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
[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
6c197093
C		 1912 if (shost->max_sectors > MPT3SAS_RAID_MAX_SECTORS) {
1913 blk_queue_max_hw_sectors(sdev->request_queue,
1914 MPT3SAS_RAID_MAX_SECTORS);
1915 sdev_printk(KERN_INFO, sdev,
1916 "Set queue's max_sector to: %u\n",
1917 MPT3SAS_RAID_MAX_SECTORS);
1918 }
1919
8a7e4c24 1920 scsih_change_queue_depth(sdev, qdepth);
f92363d1 1921
7786ab6a
SR		 1922 /* raid transport support */
1923 if (!ioc->is_warpdrive)
c84b06a4 1924 _scsih_set_level(ioc, sdev, raid_device->volume_type);
f92363d1
SR		 1925 return 0;
1926 }
1927
1928 /* non-raid handling */
1929 if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1930 if (mpt3sas_config_get_volume_handle(ioc, handle,
1931 &volume_handle)) {
1932 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1933 "failure at %s:%d/%s()!\n", ioc->name,
1934 __FILE__, __LINE__, __func__));
1935 return 1;
1936 }
1937 if (volume_handle && mpt3sas_config_get_volume_wwid(ioc,
1938 volume_handle, &volume_wwid)) {
1939 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1940 "failure at %s:%d/%s()!\n", ioc->name,
1941 __FILE__, __LINE__, __func__));
1942 return 1;
1943 }
1944 }
1945
1946 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 1947 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
f92363d1
SR		 1948 sas_device_priv_data->sas_target->sas_address);
1949 if (!sas_device) {
1950 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1951 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1952 "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
1953 __func__));
1954 return 1;
1955 }
1956
1957 sas_device->volume_handle = volume_handle;
1958 sas_device->volume_wwid = volume_wwid;
1959 if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
1960 qdepth = MPT3SAS_SAS_QUEUE_DEPTH;
1961 ssp_target = 1;
30158dc9
SS		 1962 if (sas_device->device_info &
1963 MPI2_SAS_DEVICE_INFO_SEP) {
1964 sdev_printk(KERN_WARNING, sdev,
1965 "set ignore_delay_remove for handle(0x%04x)\n",
1966 sas_device_priv_data->sas_target->handle);
1967 sas_device_priv_data->ignore_delay_remove = 1;
1968 ds = "SES";
1969 } else
1970 ds = "SSP";
f92363d1
SR		 1971 } else {
1972 qdepth = MPT3SAS_SATA_QUEUE_DEPTH;
1973 if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET)
1974 ds = "STP";
1975 else if (sas_device->device_info &
1976 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
1977 ds = "SATA";
1978 }
1979
1980 sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), " \
1981 "sas_addr(0x%016llx), phy(%d), device_name(0x%016llx)\n",
1982 ds, handle, (unsigned long long)sas_device->sas_address,
1983 sas_device->phy, (unsigned long long)sas_device->device_name);
e6d45e3e
SR		 1984 if (sas_device->enclosure_handle != 0)
1985 sdev_printk(KERN_INFO, sdev,
1986 "%s: enclosure_logical_id(0x%016llx), slot(%d)\n",
1987 ds, (unsigned long long)
1988 sas_device->enclosure_logical_id, sas_device->slot);
1989 if (sas_device->connector_name[0] != '\0')
1990 sdev_printk(KERN_INFO, sdev,
1991 "%s: enclosure level(0x%04x), connector name( %s)\n",
1992 ds, sas_device->enclosure_level,
1993 sas_device->connector_name);
f92363d1 1994
d1cb5e49 1995 sas_device_put(sas_device);
f92363d1
SR		 1996 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1997
1998 if (!ssp_target)
1999 _scsih_display_sata_capabilities(ioc, handle, sdev);
2000
2001
8a7e4c24 2002 scsih_change_queue_depth(sdev, qdepth);
f92363d1
SR		 2003
2004 if (ssp_target) {
2005 sas_read_port_mode_page(sdev);
2006 _scsih_enable_tlr(ioc, sdev);
2007 }
2008
2009 return 0;
2010}
2011
2012/**
8a7e4c24 2013 * scsih_bios_param - fetch head, sector, cylinder info for a disk
f92363d1
SR		 2014 * @sdev: scsi device struct
2015 * @bdev: pointer to block device context
2016 * @capacity: device size (in 512 byte sectors)
2017 * @params: three element array to place output:
2018 * params[0] number of heads (max 255)
2019 * params[1] number of sectors (max 63)
2020 * params[2] number of cylinders
2021 *
2022 * Return nothing.
2023 */
8a7e4c24
SR		 2024int
2025scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev,
f92363d1
SR		 2026 sector_t capacity, int params[])
2027{
2028 int heads;
2029 int sectors;
2030 sector_t cylinders;
2031 ulong dummy;
2032
2033 heads = 64;
2034 sectors = 32;
2035
2036 dummy = heads * sectors;
2037 cylinders = capacity;
2038 sector_div(cylinders, dummy);
2039
2040 /*
2041 * Handle extended translation size for logical drives
2042 * > 1Gb
2043 */
2044 if ((ulong)capacity >= 0x200000) {
2045 heads = 255;
2046 sectors = 63;
2047 dummy = heads * sectors;
2048 cylinders = capacity;
2049 sector_div(cylinders, dummy);
2050 }
2051
2052 /* return result */
2053 params[0] = heads;
2054 params[1] = sectors;
2055 params[2] = cylinders;
2056
2057 return 0;
2058}
2059
2060/**
2061 * _scsih_response_code - translation of device response code
2062 * @ioc: per adapter object
2063 * @response_code: response code returned by the device
2064 *
2065 * Return nothing.
2066 */
2067static void
2068_scsih_response_code(struct MPT3SAS_ADAPTER *ioc, u8 response_code)
2069{
2070 char *desc;
2071
2072 switch (response_code) {
2073 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE:
2074 desc = "task management request completed";
2075 break;
2076 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME:
2077 desc = "invalid frame";
2078 break;
2079 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2080 desc = "task management request not supported";
2081 break;
2082 case MPI2_SCSITASKMGMT_RSP_TM_FAILED:
2083 desc = "task management request failed";
2084 break;
2085 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2086 desc = "task management request succeeded";
2087 break;
2088 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2089 desc = "invalid lun";
2090 break;
2091 case 0xA:
2092 desc = "overlapped tag attempted";
2093 break;
2094 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2095 desc = "task queued, however not sent to target";
2096 break;
2097 default:
2098 desc = "unknown";
2099 break;
2100 }
2101 pr_warn(MPT3SAS_FMT "response_code(0x%01x): %s\n",
2102 ioc->name, response_code, desc);
2103}
2104
2105/**
2106 * _scsih_tm_done - tm completion routine
2107 * @ioc: per adapter object
2108 * @smid: system request message index
2109 * @msix_index: MSIX table index supplied by the OS
2110 * @reply: reply message frame(lower 32bit addr)
2111 * Context: none.
2112 *
2113 * The callback handler when using scsih_issue_tm.
2114 *
2115 * Return 1 meaning mf should be freed from _base_interrupt
2116 * 0 means the mf is freed from this function.
2117 */
2118static u8
2119_scsih_tm_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
2120{
2121 MPI2DefaultReply_t *mpi_reply;
2122
2123 if (ioc->tm_cmds.status == MPT3_CMD_NOT_USED)
2124 return 1;
2125 if (ioc->tm_cmds.smid != smid)
2126 return 1;
f92363d1
SR		 2127 ioc->tm_cmds.status |= MPT3_CMD_COMPLETE;
2128 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
2129 if (mpi_reply) {
2130 memcpy(ioc->tm_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
2131 ioc->tm_cmds.status |= MPT3_CMD_REPLY_VALID;
2132 }
2133 ioc->tm_cmds.status &= ~MPT3_CMD_PENDING;
2134 complete(&ioc->tm_cmds.done);
2135 return 1;
2136}
2137
2138/**
2139 * mpt3sas_scsih_set_tm_flag - set per target tm_busy
2140 * @ioc: per adapter object
2141 * @handle: device handle
2142 *
2143 * During taskmangement request, we need to freeze the device queue.
2144 */
2145void
2146mpt3sas_scsih_set_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle)
2147{
2148 struct MPT3SAS_DEVICE *sas_device_priv_data;
2149 struct scsi_device *sdev;
2150 u8 skip = 0;
2151
2152 shost_for_each_device(sdev, ioc->shost) {
2153 if (skip)
2154 continue;
2155 sas_device_priv_data = sdev->hostdata;
2156 if (!sas_device_priv_data)
2157 continue;
2158 if (sas_device_priv_data->sas_target->handle == handle) {
2159 sas_device_priv_data->sas_target->tm_busy = 1;
2160 skip = 1;
2161 ioc->ignore_loginfos = 1;
2162 }
2163 }
2164}
2165
2166/**
2167 * mpt3sas_scsih_clear_tm_flag - clear per target tm_busy
2168 * @ioc: per adapter object
2169 * @handle: device handle
2170 *
2171 * During taskmangement request, we need to freeze the device queue.
2172 */
2173void
2174mpt3sas_scsih_clear_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle)
2175{
2176 struct MPT3SAS_DEVICE *sas_device_priv_data;
2177 struct scsi_device *sdev;
2178 u8 skip = 0;
2179
2180 shost_for_each_device(sdev, ioc->shost) {
2181 if (skip)
2182 continue;
2183 sas_device_priv_data = sdev->hostdata;
2184 if (!sas_device_priv_data)
2185 continue;
2186 if (sas_device_priv_data->sas_target->handle == handle) {
2187 sas_device_priv_data->sas_target->tm_busy = 0;
2188 skip = 1;
2189 ioc->ignore_loginfos = 0;
2190 }
2191 }
2192}
2193
2194/**
2195 * mpt3sas_scsih_issue_tm - main routine for sending tm requests
2196 * @ioc: per adapter struct
2197 * @device_handle: device handle
2198 * @channel: the channel assigned by the OS
2199 * @id: the id assigned by the OS
2200 * @lun: lun number
2201 * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h)
2202 * @smid_task: smid assigned to the task
2203 * @timeout: timeout in seconds
f92363d1
SR		 2204 * @m_type: TM_MUTEX_ON or TM_MUTEX_OFF
2205 * Context: user
2206 *
2207 * A generic API for sending task management requests to firmware.
2208 *
2209 * The callback index is set inside `ioc->tm_cb_idx`.
2210 *
2211 * Return SUCCESS or FAILED.
2212 */
2213int
2214mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle, uint channel,
2215 uint id, uint lun, u8 type, u16 smid_task, ulong timeout,
c62e46de 2216 enum mutex_type m_type)
f92363d1
SR		 2217{
2218 Mpi2SCSITaskManagementRequest_t *mpi_request;
2219 Mpi2SCSITaskManagementReply_t *mpi_reply;
2220 u16 smid = 0;
2221 u32 ioc_state;
2222 unsigned long timeleft;
2223 struct scsiio_tracker *scsi_lookup = NULL;
2224 int rc;
03d1fb3a 2225 u16 msix_task = 0;
f92363d1
SR		 2226
2227 if (m_type == TM_MUTEX_ON)
2228 mutex_lock(&ioc->tm_cmds.mutex);
2229 if (ioc->tm_cmds.status != MPT3_CMD_NOT_USED) {
2230 pr_info(MPT3SAS_FMT "%s: tm_cmd busy!!!\n",
2231 __func__, ioc->name);
2232 rc = FAILED;
2233 goto err_out;
2234 }
2235
2236 if (ioc->shost_recovery || ioc->remove_host ||
2237 ioc->pci_error_recovery) {
2238 pr_info(MPT3SAS_FMT "%s: host reset in progress!\n",
2239 __func__, ioc->name);
2240 rc = FAILED;
2241 goto err_out;
2242 }
2243
2244 ioc_state = mpt3sas_base_get_iocstate(ioc, 0);
2245 if (ioc_state & MPI2_DOORBELL_USED) {
2246 dhsprintk(ioc, pr_info(MPT3SAS_FMT
2247 "unexpected doorbell active!\n", ioc->name));
2248 rc = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2249 FORCE_BIG_HAMMER);
2250 rc = (!rc) ? SUCCESS : FAILED;
2251 goto err_out;
2252 }
2253
2254 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
2255 mpt3sas_base_fault_info(ioc, ioc_state &
2256 MPI2_DOORBELL_DATA_MASK);
2257 rc = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2258 FORCE_BIG_HAMMER);
2259 rc = (!rc) ? SUCCESS : FAILED;
2260 goto err_out;
2261 }
2262
2263 smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx);
2264 if (!smid) {
2265 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
2266 ioc->name, __func__);
2267 rc = FAILED;
2268 goto err_out;
2269 }
2270
2271 if (type == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK)
2272 scsi_lookup = &ioc->scsi_lookup[smid_task - 1];
2273
2274 dtmprintk(ioc, pr_info(MPT3SAS_FMT
2275 "sending tm: handle(0x%04x), task_type(0x%02x), smid(%d)\n",
2276 ioc->name, handle, type, smid_task));
2277 ioc->tm_cmds.status = MPT3_CMD_PENDING;
2278 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
2279 ioc->tm_cmds.smid = smid;
2280 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
2281 memset(ioc->tm_cmds.reply, 0, sizeof(Mpi2SCSITaskManagementReply_t));
2282 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
2283 mpi_request->DevHandle = cpu_to_le16(handle);
2284 mpi_request->TaskType = type;
2285 mpi_request->TaskMID = cpu_to_le16(smid_task);
2286 int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN);
2287 mpt3sas_scsih_set_tm_flag(ioc, handle);
2288 init_completion(&ioc->tm_cmds.done);
03d1fb3a
SS		 2289 if ((type == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK) &&
2290 (scsi_lookup->msix_io < ioc->reply_queue_count))
2291 msix_task = scsi_lookup->msix_io;
2292 else
2293 msix_task = 0;
2294 mpt3sas_base_put_smid_hi_priority(ioc, smid, msix_task);
f92363d1
SR		 2295 timeleft = wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ);
2296 if (!(ioc->tm_cmds.status & MPT3_CMD_COMPLETE)) {
2297 pr_err(MPT3SAS_FMT "%s: timeout\n",
2298 ioc->name, __func__);
2299 _debug_dump_mf(mpi_request,
2300 sizeof(Mpi2SCSITaskManagementRequest_t)/4);
2301 if (!(ioc->tm_cmds.status & MPT3_CMD_RESET)) {
2302 rc = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2303 FORCE_BIG_HAMMER);
2304 rc = (!rc) ? SUCCESS : FAILED;
2305 ioc->tm_cmds.status = MPT3_CMD_NOT_USED;
2306 mpt3sas_scsih_clear_tm_flag(ioc, handle);
2307 goto err_out;
2308 }
2309 }
2310
5f0dfb7a
C		 2311 /* sync IRQs in case those were busy during flush. */
2312 mpt3sas_base_sync_reply_irqs(ioc);
2313
f92363d1
SR		 2314 if (ioc->tm_cmds.status & MPT3_CMD_REPLY_VALID) {
2315 mpt3sas_trigger_master(ioc, MASTER_TRIGGER_TASK_MANAGMENT);
2316 mpi_reply = ioc->tm_cmds.reply;
2317 dtmprintk(ioc, pr_info(MPT3SAS_FMT "complete tm: " \
2318 "ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n",
2319 ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
2320 le32_to_cpu(mpi_reply->IOCLogInfo),
2321 le32_to_cpu(mpi_reply->TerminationCount)));
2322 if (ioc->logging_level & MPT_DEBUG_TM) {
2323 _scsih_response_code(ioc, mpi_reply->ResponseCode);
2324 if (mpi_reply->IOCStatus)
2325 _debug_dump_mf(mpi_request,
2326 sizeof(Mpi2SCSITaskManagementRequest_t)/4);
2327 }
2328 }
2329
2330 switch (type) {
2331 case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK:
2332 rc = SUCCESS;
2333 if (scsi_lookup->scmd == NULL)
2334 break;
2335 rc = FAILED;
2336 break;
2337
2338 case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET:
2339 if (_scsih_scsi_lookup_find_by_target(ioc, id, channel))
2340 rc = FAILED;
2341 else
2342 rc = SUCCESS;
2343 break;
2344 case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET:
2345 case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET:
2346 if (_scsih_scsi_lookup_find_by_lun(ioc, id, lun, channel))
2347 rc = FAILED;
2348 else
2349 rc = SUCCESS;
2350 break;
2351 case MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK:
2352 rc = SUCCESS;
2353 break;
2354 default:
2355 rc = FAILED;
2356 break;
2357 }
2358
2359 mpt3sas_scsih_clear_tm_flag(ioc, handle);
2360 ioc->tm_cmds.status = MPT3_CMD_NOT_USED;
2361 if (m_type == TM_MUTEX_ON)
2362 mutex_unlock(&ioc->tm_cmds.mutex);
2363
2364 return rc;
2365
2366 err_out:
2367 if (m_type == TM_MUTEX_ON)
2368 mutex_unlock(&ioc->tm_cmds.mutex);
2369 return rc;
2370}
2371
2372/**
2373 * _scsih_tm_display_info - displays info about the device
2374 * @ioc: per adapter struct
2375 * @scmd: pointer to scsi command object
2376 *
2377 * Called by task management callback handlers.
2378 */
2379static void
2380_scsih_tm_display_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd)
2381{
2382 struct scsi_target *starget = scmd->device->sdev_target;
2383 struct MPT3SAS_TARGET *priv_target = starget->hostdata;
2384 struct _sas_device *sas_device = NULL;
2385 unsigned long flags;
2386 char *device_str = NULL;
2387
2388 if (!priv_target)
2389 return;
7786ab6a
SR		 2390 if (ioc->hide_ir_msg)
2391 device_str = "WarpDrive";
2392 else
2393 device_str = "volume";
f92363d1
SR		 2394
2395 scsi_print_command(scmd);
2396 if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) {
2397 starget_printk(KERN_INFO, starget,
2398 "%s handle(0x%04x), %s wwid(0x%016llx)\n",
2399 device_str, priv_target->handle,
2400 device_str, (unsigned long long)priv_target->sas_address);
2401 } else {
2402 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 2403 sas_device = __mpt3sas_get_sdev_from_target(ioc, priv_target);
f92363d1
SR		 2404 if (sas_device) {
2405 if (priv_target->flags &
2406 MPT_TARGET_FLAGS_RAID_COMPONENT) {
2407 starget_printk(KERN_INFO, starget,
2408 "volume handle(0x%04x), "
2409 "volume wwid(0x%016llx)\n",
2410 sas_device->volume_handle,
2411 (unsigned long long)sas_device->volume_wwid);
2412 }
2413 starget_printk(KERN_INFO, starget,
2414 "handle(0x%04x), sas_address(0x%016llx), phy(%d)\n",
2415 sas_device->handle,
2416 (unsigned long long)sas_device->sas_address,
2417 sas_device->phy);
e6d45e3e
SR		 2418 if (sas_device->enclosure_handle != 0)
2419 starget_printk(KERN_INFO, starget,
2420 "enclosure_logical_id(0x%016llx), slot(%d)\n",
2421 (unsigned long long)
2422 sas_device->enclosure_logical_id,
2423 sas_device->slot);
869817f9 2424 if (sas_device->connector_name[0] != '\0')
e6d45e3e
SR		 2425 starget_printk(KERN_INFO, starget,
2426 "enclosure level(0x%04x),connector name(%s)\n",
2427 sas_device->enclosure_level,
2428 sas_device->connector_name);
d1cb5e49
SR		 2429
2430 sas_device_put(sas_device);
f92363d1
SR		 2431 }
2432 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2433 }
2434}
2435
2436/**
8a7e4c24 2437 * scsih_abort - eh threads main abort routine
f92363d1
SR		 2438 * @scmd: pointer to scsi command object
2439 *
2440 * Returns SUCCESS if command aborted else FAILED
2441 */
8a7e4c24
SR		 2442int
2443scsih_abort(struct scsi_cmnd *scmd)
f92363d1
SR		 2444{
2445 struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2446 struct MPT3SAS_DEVICE *sas_device_priv_data;
2447 u16 smid;
2448 u16 handle;
2449 int r;
2450
2451 sdev_printk(KERN_INFO, scmd->device,
2452 "attempting task abort! scmd(%p)\n", scmd);
2453 _scsih_tm_display_info(ioc, scmd);
2454
2455 sas_device_priv_data = scmd->device->hostdata;
2456 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
2457 sdev_printk(KERN_INFO, scmd->device,
2458 "device been deleted! scmd(%p)\n", scmd);
2459 scmd->result = DID_NO_CONNECT << 16;
2460 scmd->scsi_done(scmd);
2461 r = SUCCESS;
2462 goto out;
2463 }
2464
2465 /* search for the command */
2466 smid = _scsih_scsi_lookup_find_by_scmd(ioc, scmd);
2467 if (!smid) {
2468 scmd->result = DID_RESET << 16;
2469 r = SUCCESS;
2470 goto out;
2471 }
2472
2473 /* for hidden raid components and volumes this is not supported */
2474 if (sas_device_priv_data->sas_target->flags &
2475 MPT_TARGET_FLAGS_RAID_COMPONENT ||
2476 sas_device_priv_data->sas_target->flags & MPT_TARGET_FLAGS_VOLUME) {
2477 scmd->result = DID_RESET << 16;
2478 r = FAILED;
2479 goto out;
2480 }
2481
2482 mpt3sas_halt_firmware(ioc);
2483
2484 handle = sas_device_priv_data->sas_target->handle;
2485 r = mpt3sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
2486 scmd->device->id, scmd->device->lun,
c62e46de 2487 MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30, TM_MUTEX_ON);
f92363d1
SR		 2488
2489 out:
2490 sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(%p)\n",
2491 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2492 return r;
2493}
2494
2495/**
8a7e4c24 2496 * scsih_dev_reset - eh threads main device reset routine
f92363d1
SR		 2497 * @scmd: pointer to scsi command object
2498 *
2499 * Returns SUCCESS if command aborted else FAILED
2500 */
8a7e4c24
SR		 2501int
2502scsih_dev_reset(struct scsi_cmnd *scmd)
f92363d1
SR		 2503{
2504 struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2505 struct MPT3SAS_DEVICE *sas_device_priv_data;
d1cb5e49 2506 struct _sas_device *sas_device = NULL;
f92363d1
SR		 2507 u16 handle;
2508 int r;
2509
d1cb5e49
SR		 2510 struct scsi_target *starget = scmd->device->sdev_target;
2511 struct MPT3SAS_TARGET *target_priv_data = starget->hostdata;
2512
f92363d1
SR		 2513 sdev_printk(KERN_INFO, scmd->device,
2514 "attempting device reset! scmd(%p)\n", scmd);
2515 _scsih_tm_display_info(ioc, scmd);
2516
2517 sas_device_priv_data = scmd->device->hostdata;
2518 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
2519 sdev_printk(KERN_INFO, scmd->device,
2520 "device been deleted! scmd(%p)\n", scmd);
2521 scmd->result = DID_NO_CONNECT << 16;
2522 scmd->scsi_done(scmd);
2523 r = SUCCESS;
2524 goto out;
2525 }
2526
2527 /* for hidden raid components obtain the volume_handle */
2528 handle = 0;
2529 if (sas_device_priv_data->sas_target->flags &
2530 MPT_TARGET_FLAGS_RAID_COMPONENT) {
d1cb5e49
SR		 2531 sas_device = mpt3sas_get_sdev_from_target(ioc,
2532 target_priv_data);
f92363d1
SR		 2533 if (sas_device)
2534 handle = sas_device->volume_handle;
f92363d1
SR		 2535 } else
2536 handle = sas_device_priv_data->sas_target->handle;
2537
2538 if (!handle) {
2539 scmd->result = DID_RESET << 16;
2540 r = FAILED;
2541 goto out;
2542 }
2543
2544 r = mpt3sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
2545 scmd->device->id, scmd->device->lun,
c62e46de 2546 MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 0, 30, TM_MUTEX_ON);
f92363d1
SR		 2547
2548 out:
2549 sdev_printk(KERN_INFO, scmd->device, "device reset: %s scmd(%p)\n",
2550 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
d1cb5e49
SR		 2551
2552 if (sas_device)
2553 sas_device_put(sas_device);
2554
f92363d1
SR		 2555 return r;
2556}
2557
2558/**
8a7e4c24 2559 * scsih_target_reset - eh threads main target reset routine
f92363d1
SR		 2560 * @scmd: pointer to scsi command object
2561 *
2562 * Returns SUCCESS if command aborted else FAILED
2563 */
8a7e4c24
SR		 2564int
2565scsih_target_reset(struct scsi_cmnd *scmd)
f92363d1
SR		 2566{
2567 struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2568 struct MPT3SAS_DEVICE *sas_device_priv_data;
d1cb5e49 2569 struct _sas_device *sas_device = NULL;
f92363d1
SR		 2570 u16 handle;
2571 int r;
2572 struct scsi_target *starget = scmd->device->sdev_target;
d1cb5e49 2573 struct MPT3SAS_TARGET *target_priv_data = starget->hostdata;
f92363d1
SR		 2574
2575 starget_printk(KERN_INFO, starget, "attempting target reset! scmd(%p)\n",
2576 scmd);
2577 _scsih_tm_display_info(ioc, scmd);
2578
2579 sas_device_priv_data = scmd->device->hostdata;
2580 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
2581 starget_printk(KERN_INFO, starget, "target been deleted! scmd(%p)\n",
2582 scmd);
2583 scmd->result = DID_NO_CONNECT << 16;
2584 scmd->scsi_done(scmd);
2585 r = SUCCESS;
2586 goto out;
2587 }
2588
2589 /* for hidden raid components obtain the volume_handle */
2590 handle = 0;
2591 if (sas_device_priv_data->sas_target->flags &
2592 MPT_TARGET_FLAGS_RAID_COMPONENT) {
d1cb5e49
SR		 2593 sas_device = mpt3sas_get_sdev_from_target(ioc,
2594 target_priv_data);
f92363d1
SR		 2595 if (sas_device)
2596 handle = sas_device->volume_handle;
f92363d1
SR		 2597 } else
2598 handle = sas_device_priv_data->sas_target->handle;
2599
2600 if (!handle) {
2601 scmd->result = DID_RESET << 16;
2602 r = FAILED;
2603 goto out;
2604 }
2605
2606 r = mpt3sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
2607 scmd->device->id, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0,
c62e46de 2608 30, TM_MUTEX_ON);
f92363d1
SR		 2609
2610 out:
2611 starget_printk(KERN_INFO, starget, "target reset: %s scmd(%p)\n",
2612 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
d1cb5e49
SR		 2613
2614 if (sas_device)
2615 sas_device_put(sas_device);
2616
f92363d1
SR		 2617 return r;
2618}
2619
2620
2621/**
8a7e4c24 2622 * scsih_host_reset - eh threads main host reset routine
f92363d1
SR		 2623 * @scmd: pointer to scsi command object
2624 *
2625 * Returns SUCCESS if command aborted else FAILED
2626 */
8a7e4c24
SR		 2627int
2628scsih_host_reset(struct scsi_cmnd *scmd)
f92363d1
SR		 2629{
2630 struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2631 int r, retval;
2632
2633 pr_info(MPT3SAS_FMT "attempting host reset! scmd(%p)\n",
2634 ioc->name, scmd);
2635 scsi_print_command(scmd);
2636
ddb588be
SR		 2637 if (ioc->is_driver_loading) {
2638 pr_info(MPT3SAS_FMT "Blocking the host reset\n",
2639 ioc->name);
2640 r = FAILED;
2641 goto out;
2642 }
2643
f92363d1
SR		 2644 retval = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2645 FORCE_BIG_HAMMER);
2646 r = (retval < 0) ? FAILED : SUCCESS;
ddb588be 2647out:
f92363d1
SR		 2648 pr_info(MPT3SAS_FMT "host reset: %s scmd(%p)\n",
2649 ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2650
2651 return r;
2652}
2653
2654/**
2655 * _scsih_fw_event_add - insert and queue up fw_event
2656 * @ioc: per adapter object
2657 * @fw_event: object describing the event
2658 * Context: This function will acquire ioc->fw_event_lock.
2659 *
2660 * This adds the firmware event object into link list, then queues it up to
2661 * be processed from user context.
2662 *
2663 * Return nothing.
2664 */
2665static void
2666_scsih_fw_event_add(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
2667{
2668 unsigned long flags;
2669
2670 if (ioc->firmware_event_thread == NULL)
2671 return;
2672
2673 spin_lock_irqsave(&ioc->fw_event_lock, flags);
146b16c8 2674 fw_event_work_get(fw_event);
f92363d1
SR		 2675 INIT_LIST_HEAD(&fw_event->list);
2676 list_add_tail(&fw_event->list, &ioc->fw_event_list);
2677 INIT_WORK(&fw_event->work, _firmware_event_work);
146b16c8 2678 fw_event_work_get(fw_event);
f92363d1
SR		 2679 queue_work(ioc->firmware_event_thread, &fw_event->work);
2680 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2681}
2682
2683/**
146b16c8 2684 * _scsih_fw_event_del_from_list - delete fw_event from the list
f92363d1
SR		 2685 * @ioc: per adapter object
2686 * @fw_event: object describing the event
2687 * Context: This function will acquire ioc->fw_event_lock.
2688 *
146b16c8 2689 * If the fw_event is on the fw_event_list, remove it and do a put.
f92363d1
SR		 2690 *
2691 * Return nothing.
2692 */
2693static void
146b16c8 2694_scsih_fw_event_del_from_list(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work
f92363d1
SR		 2695 *fw_event)
2696{
2697 unsigned long flags;
2698
2699 spin_lock_irqsave(&ioc->fw_event_lock, flags);
146b16c8
SR		 2700 if (!list_empty(&fw_event->list)) {
2701 list_del_init(&fw_event->list);
2702 fw_event_work_put(fw_event);
2703 }
f92363d1
SR		 2704 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2705}
2706
2707
2708 /**
2709 * mpt3sas_send_trigger_data_event - send event for processing trigger data
2710 * @ioc: per adapter object
2711 * @event_data: trigger event data
2712 *
2713 * Return nothing.
2714 */
2715void
2716mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER *ioc,
2717 struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data)
2718{
2719 struct fw_event_work *fw_event;
146b16c8 2720 u16 sz;
f92363d1
SR		 2721
2722 if (ioc->is_driver_loading)
2723 return;
146b16c8
SR		 2724 sz = sizeof(*event_data);
2725 fw_event = alloc_fw_event_work(sz);
f92363d1
SR		 2726 if (!fw_event)
2727 return;
f92363d1
SR		 2728 fw_event->event = MPT3SAS_PROCESS_TRIGGER_DIAG;
2729 fw_event->ioc = ioc;
2730 memcpy(fw_event->event_data, event_data, sizeof(*event_data));
2731 _scsih_fw_event_add(ioc, fw_event);
146b16c8 2732 fw_event_work_put(fw_event);
f92363d1
SR		 2733}
2734
2735/**
2736 * _scsih_error_recovery_delete_devices - remove devices not responding
2737 * @ioc: per adapter object
2738 *
2739 * Return nothing.
2740 */
2741static void
2742_scsih_error_recovery_delete_devices(struct MPT3SAS_ADAPTER *ioc)
2743{
2744 struct fw_event_work *fw_event;
2745
2746 if (ioc->is_driver_loading)
2747 return;
146b16c8 2748 fw_event = alloc_fw_event_work(0);
f92363d1
SR		 2749 if (!fw_event)
2750 return;
2751 fw_event->event = MPT3SAS_REMOVE_UNRESPONDING_DEVICES;
2752 fw_event->ioc = ioc;
2753 _scsih_fw_event_add(ioc, fw_event);
146b16c8 2754 fw_event_work_put(fw_event);
f92363d1
SR		 2755}
2756
2757/**
2758 * mpt3sas_port_enable_complete - port enable completed (fake event)
2759 * @ioc: per adapter object
2760 *
2761 * Return nothing.
2762 */
2763void
2764mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc)
2765{
2766 struct fw_event_work *fw_event;
2767
146b16c8 2768 fw_event = alloc_fw_event_work(0);
f92363d1
SR		 2769 if (!fw_event)
2770 return;
2771 fw_event->event = MPT3SAS_PORT_ENABLE_COMPLETE;
2772 fw_event->ioc = ioc;
2773 _scsih_fw_event_add(ioc, fw_event);
146b16c8
SR		 2774 fw_event_work_put(fw_event);
2775}
2776
2777static struct fw_event_work *dequeue_next_fw_event(struct MPT3SAS_ADAPTER *ioc)
2778{
2779 unsigned long flags;
2780 struct fw_event_work *fw_event = NULL;
2781
2782 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2783 if (!list_empty(&ioc->fw_event_list)) {
2784 fw_event = list_first_entry(&ioc->fw_event_list,
2785 struct fw_event_work, list);
2786 list_del_init(&fw_event->list);
2787 }
2788 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2789
2790 return fw_event;
f92363d1
SR		 2791}
2792
2793/**
2794 * _scsih_fw_event_cleanup_queue - cleanup event queue
2795 * @ioc: per adapter object
2796 *
2797 * Walk the firmware event queue, either killing timers, or waiting
2798 * for outstanding events to complete
2799 *
2800 * Return nothing.
2801 */
2802static void
2803_scsih_fw_event_cleanup_queue(struct MPT3SAS_ADAPTER *ioc)
2804{
146b16c8 2805 struct fw_event_work *fw_event;
f92363d1
SR		 2806
2807 if (list_empty(&ioc->fw_event_list) ||
2808 !ioc->firmware_event_thread || in_interrupt())
2809 return;
2810
146b16c8
SR		 2811 while ((fw_event = dequeue_next_fw_event(ioc))) {
2812 /*
2813 * Wait on the fw_event to complete. If this returns 1, then
2814 * the event was never executed, and we need a put for the
b8ac0cc7 2815 * reference the work had on the fw_event.
146b16c8
SR		 2816 *
2817 * If it did execute, we wait for it to finish, and the put will
2818 * happen from _firmware_event_work()
2819 */
b8ac0cc7 2820 if (cancel_work_sync(&fw_event->work))
146b16c8
SR		 2821 fw_event_work_put(fw_event);
2822
2823 fw_event_work_put(fw_event);
f92363d1
SR		 2824 }
2825}
2826
df838f92
SR		 2827/**
2828 * _scsih_internal_device_block - block the sdev device
2829 * @sdev: per device object
2830 * @sas_device_priv_data : per device driver private data
2831 *
2832 * make sure device is blocked without error, if not
2833 * print an error
2834 */
2835static void
2836_scsih_internal_device_block(struct scsi_device *sdev,
2837 struct MPT3SAS_DEVICE *sas_device_priv_data)
2838{
2839 int r = 0;
2840
2841 sdev_printk(KERN_INFO, sdev, "device_block, handle(0x%04x)\n",
2842 sas_device_priv_data->sas_target->handle);
2843 sas_device_priv_data->block = 1;
2844
2845 r = scsi_internal_device_block(sdev);
2846 if (r == -EINVAL)
2847 sdev_printk(KERN_WARNING, sdev,
2848 "device_block failed with return(%d) for handle(0x%04x)\n",
2849 sas_device_priv_data->sas_target->handle, r);
2850}
2851
2852/**
2853 * _scsih_internal_device_unblock - unblock the sdev device
2854 * @sdev: per device object
2855 * @sas_device_priv_data : per device driver private data
2856 * make sure device is unblocked without error, if not retry
2857 * by blocking and then unblocking
2858 */
2859
2860static void
2861_scsih_internal_device_unblock(struct scsi_device *sdev,
2862 struct MPT3SAS_DEVICE *sas_device_priv_data)
2863{
2864 int r = 0;
2865
2866 sdev_printk(KERN_WARNING, sdev, "device_unblock and setting to running, "
2867 "handle(0x%04x)\n", sas_device_priv_data->sas_target->handle);
2868 sas_device_priv_data->block = 0;
2869 r = scsi_internal_device_unblock(sdev, SDEV_RUNNING);
2870 if (r == -EINVAL) {
2871 /* The device has been set to SDEV_RUNNING by SD layer during
2872 * device addition but the request queue is still stopped by
2873 * our earlier block call. We need to perform a block again
2874 * to get the device to SDEV_BLOCK and then to SDEV_RUNNING */
2875
2876 sdev_printk(KERN_WARNING, sdev,
2877 "device_unblock failed with return(%d) for handle(0x%04x) "
2878 "performing a block followed by an unblock\n",
2879 sas_device_priv_data->sas_target->handle, r);
2880 sas_device_priv_data->block = 1;
2881 r = scsi_internal_device_block(sdev);
2882 if (r)
2883 sdev_printk(KERN_WARNING, sdev, "retried device_block "
2884 "failed with return(%d) for handle(0x%04x)\n",
2885 sas_device_priv_data->sas_target->handle, r);
2886
2887 sas_device_priv_data->block = 0;
2888 r = scsi_internal_device_unblock(sdev, SDEV_RUNNING);
2889 if (r)
2890 sdev_printk(KERN_WARNING, sdev, "retried device_unblock"
2891 " failed with return(%d) for handle(0x%04x)\n",
2892 sas_device_priv_data->sas_target->handle, r);
2893 }
2894}
2895
f92363d1
SR		 2896/**
2897 * _scsih_ublock_io_all_device - unblock every device
2898 * @ioc: per adapter object
2899 *
2900 * change the device state from block to running
2901 */
2902static void
2903_scsih_ublock_io_all_device(struct MPT3SAS_ADAPTER *ioc)
2904{
2905 struct MPT3SAS_DEVICE *sas_device_priv_data;
2906 struct scsi_device *sdev;
2907
2908 shost_for_each_device(sdev, ioc->shost) {
2909 sas_device_priv_data = sdev->hostdata;
2910 if (!sas_device_priv_data)
2911 continue;
2912 if (!sas_device_priv_data->block)
2913 continue;
2914
f92363d1
SR		 2915 dewtprintk(ioc, sdev_printk(KERN_INFO, sdev,
2916 "device_running, handle(0x%04x)\n",
2917 sas_device_priv_data->sas_target->handle));
df838f92 2918 _scsih_internal_device_unblock(sdev, sas_device_priv_data);
f92363d1
SR		 2919 }
2920}
2921
2922
2923/**
2924 * _scsih_ublock_io_device - prepare device to be deleted
2925 * @ioc: per adapter object
2926 * @sas_addr: sas address
2927 *
2928 * unblock then put device in offline state
2929 */
2930static void
2931_scsih_ublock_io_device(struct MPT3SAS_ADAPTER *ioc, u64 sas_address)
2932{
2933 struct MPT3SAS_DEVICE *sas_device_priv_data;
2934 struct scsi_device *sdev;
2935
2936 shost_for_each_device(sdev, ioc->shost) {
2937 sas_device_priv_data = sdev->hostdata;
2938 if (!sas_device_priv_data)
2939 continue;
2940 if (sas_device_priv_data->sas_target->sas_address
2941 != sas_address)
2942 continue;
df838f92
SR		 2943 if (sas_device_priv_data->block)
2944 _scsih_internal_device_unblock(sdev,
2945 sas_device_priv_data);
f92363d1
SR		 2946 }
2947}
2948
2949/**
2950 * _scsih_block_io_all_device - set the device state to SDEV_BLOCK
2951 * @ioc: per adapter object
2952 * @handle: device handle
2953 *
2954 * During device pull we need to appropiately set the sdev state.
2955 */
2956static void
2957_scsih_block_io_all_device(struct MPT3SAS_ADAPTER *ioc)
2958{
2959 struct MPT3SAS_DEVICE *sas_device_priv_data;
2960 struct scsi_device *sdev;
2961
2962 shost_for_each_device(sdev, ioc->shost) {
2963 sas_device_priv_data = sdev->hostdata;
2964 if (!sas_device_priv_data)
2965 continue;
2966 if (sas_device_priv_data->block)
2967 continue;
30158dc9
SS		 2968 if (sas_device_priv_data->ignore_delay_remove) {
2969 sdev_printk(KERN_INFO, sdev,
2970 "%s skip device_block for SES handle(0x%04x)\n",
2971 __func__, sas_device_priv_data->sas_target->handle);
2972 continue;
2973 }
df838f92 2974 _scsih_internal_device_block(sdev, sas_device_priv_data);
f92363d1
SR		 2975 }
2976}
2977
2978/**
2979 * _scsih_block_io_device - set the device state to SDEV_BLOCK
2980 * @ioc: per adapter object
2981 * @handle: device handle
2982 *
2983 * During device pull we need to appropiately set the sdev state.
2984 */
2985static void
2986_scsih_block_io_device(struct MPT3SAS_ADAPTER *ioc, u16 handle)
2987{
2988 struct MPT3SAS_DEVICE *sas_device_priv_data;
2989 struct scsi_device *sdev;
e4bc7f5c
SR		 2990 struct _sas_device *sas_device;
2991
d1cb5e49 2992 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
e4bc7f5c
SR		 2993 if (!sas_device)
2994 return;
f92363d1
SR		 2995
2996 shost_for_each_device(sdev, ioc->shost) {
2997 sas_device_priv_data = sdev->hostdata;
2998 if (!sas_device_priv_data)
2999 continue;
3000 if (sas_device_priv_data->sas_target->handle != handle)
3001 continue;
3002 if (sas_device_priv_data->block)
3003 continue;
e4bc7f5c
SR		 3004 if (sas_device->pend_sas_rphy_add)
3005 continue;
30158dc9
SS		 3006 if (sas_device_priv_data->ignore_delay_remove) {
3007 sdev_printk(KERN_INFO, sdev,
3008 "%s skip device_block for SES handle(0x%04x)\n",
3009 __func__, sas_device_priv_data->sas_target->handle);
3010 continue;
3011 }
df838f92 3012 _scsih_internal_device_block(sdev, sas_device_priv_data);
f92363d1 3013 }
d1cb5e49
SR		 3014
3015 sas_device_put(sas_device);
f92363d1
SR		 3016}
3017
3018/**
3019 * _scsih_block_io_to_children_attached_to_ex
3020 * @ioc: per adapter object
3021 * @sas_expander: the sas_device object
3022 *
3023 * This routine set sdev state to SDEV_BLOCK for all devices
3024 * attached to this expander. This function called when expander is
3025 * pulled.
3026 */
3027static void
3028_scsih_block_io_to_children_attached_to_ex(struct MPT3SAS_ADAPTER *ioc,
3029 struct _sas_node *sas_expander)
3030{
3031 struct _sas_port *mpt3sas_port;
3032 struct _sas_device *sas_device;
3033 struct _sas_node *expander_sibling;
3034 unsigned long flags;
3035
3036 if (!sas_expander)
3037 return;
3038
3039 list_for_each_entry(mpt3sas_port,
3040 &sas_expander->sas_port_list, port_list) {
3041 if (mpt3sas_port->remote_identify.device_type ==
3042 SAS_END_DEVICE) {
3043 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49
SR		 3044 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
3045 mpt3sas_port->remote_identify.sas_address);
3046 if (sas_device) {
f92363d1 3047 set_bit(sas_device->handle,
d1cb5e49
SR		 3048 ioc->blocking_handles);
3049 sas_device_put(sas_device);
3050 }
f92363d1
SR		 3051 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
3052 }
3053 }
3054
3055 list_for_each_entry(mpt3sas_port,
3056 &sas_expander->sas_port_list, port_list) {
3057
3058 if (mpt3sas_port->remote_identify.device_type ==
3059 SAS_EDGE_EXPANDER_DEVICE ||
3060 mpt3sas_port->remote_identify.device_type ==
3061 SAS_FANOUT_EXPANDER_DEVICE) {
3062 expander_sibling =
3063 mpt3sas_scsih_expander_find_by_sas_address(
3064 ioc, mpt3sas_port->remote_identify.sas_address);
3065 _scsih_block_io_to_children_attached_to_ex(ioc,
3066 expander_sibling);
3067 }
3068 }
3069}
3070
3071/**
3072 * _scsih_block_io_to_children_attached_directly
3073 * @ioc: per adapter object
3074 * @event_data: topology change event data
3075 *
3076 * This routine set sdev state to SDEV_BLOCK for all devices
3077 * direct attached during device pull.
3078 */
3079static void
3080_scsih_block_io_to_children_attached_directly(struct MPT3SAS_ADAPTER *ioc,
3081 Mpi2EventDataSasTopologyChangeList_t *event_data)
3082{
3083 int i;
3084 u16 handle;
3085 u16 reason_code;
f92363d1
SR		 3086
3087 for (i = 0; i < event_data->NumEntries; i++) {
3088 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
3089 if (!handle)
3090 continue;
f92363d1
SR		 3091 reason_code = event_data->PHY[i].PhyStatus &
3092 MPI2_EVENT_SAS_TOPO_RC_MASK;
3093 if (reason_code == MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING)
3094 _scsih_block_io_device(ioc, handle);
3095 }
3096}
3097
3098/**
3099 * _scsih_tm_tr_send - send task management request
3100 * @ioc: per adapter object
3101 * @handle: device handle
3102 * Context: interrupt time.
3103 *
3104 * This code is to initiate the device removal handshake protocol
3105 * with controller firmware. This function will issue target reset
3106 * using high priority request queue. It will send a sas iounit
3107 * control request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion.
3108 *
3109 * This is designed to send muliple task management request at the same
3110 * time to the fifo. If the fifo is full, we will append the request,
3111 * and process it in a future completion.
3112 */
3113static void
3114_scsih_tm_tr_send(struct MPT3SAS_ADAPTER *ioc, u16 handle)
3115{
3116 Mpi2SCSITaskManagementRequest_t *mpi_request;
3117 u16 smid;
d1cb5e49 3118 struct _sas_device *sas_device = NULL;
f92363d1
SR		 3119 struct MPT3SAS_TARGET *sas_target_priv_data = NULL;
3120 u64 sas_address = 0;
3121 unsigned long flags;
3122 struct _tr_list *delayed_tr;
3123 u32 ioc_state;
3124
3125 if (ioc->remove_host) {
3126 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3127 "%s: host has been removed: handle(0x%04x)\n",
3128 __func__, ioc->name, handle));
3129 return;
3130 } else if (ioc->pci_error_recovery) {
3131 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3132 "%s: host in pci error recovery: handle(0x%04x)\n",
3133 __func__, ioc->name,
3134 handle));
3135 return;
3136 }
3137 ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
3138 if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
3139 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3140 "%s: host is not operational: handle(0x%04x)\n",
3141 __func__, ioc->name,
3142 handle));
3143 return;
3144 }
3145
3146 /* if PD, then return */
3147 if (test_bit(handle, ioc->pd_handles))
3148 return;
3149
3150 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 3151 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
f92363d1
SR		 3152 if (sas_device && sas_device->starget &&
3153 sas_device->starget->hostdata) {
3154 sas_target_priv_data = sas_device->starget->hostdata;
3155 sas_target_priv_data->deleted = 1;
3156 sas_address = sas_device->sas_address;
3157 }
3158 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
3159
3160 if (sas_target_priv_data) {
3161 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3162 "setting delete flag: handle(0x%04x), sas_addr(0x%016llx)\n",
3163 ioc->name, handle,
3164 (unsigned long long)sas_address));
e6d45e3e
SR		 3165 if (sas_device->enclosure_handle != 0)
3166 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3167 "setting delete flag:enclosure logical id(0x%016llx),"
3168 " slot(%d)\n", ioc->name, (unsigned long long)
3169 sas_device->enclosure_logical_id,
3170 sas_device->slot));
869817f9 3171 if (sas_device->connector_name[0] != '\0')
e6d45e3e
SR		 3172 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3173 "setting delete flag: enclosure level(0x%04x),"
3174 " connector name( %s)\n", ioc->name,
3175 sas_device->enclosure_level,
3176 sas_device->connector_name));
f92363d1
SR		 3177 _scsih_ublock_io_device(ioc, sas_address);
3178 sas_target_priv_data->handle = MPT3SAS_INVALID_DEVICE_HANDLE;
3179 }
3180
3181 smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_tr_cb_idx);
3182 if (!smid) {
3183 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
3184 if (!delayed_tr)
d1cb5e49 3185 goto out;
f92363d1
SR		 3186 INIT_LIST_HEAD(&delayed_tr->list);
3187 delayed_tr->handle = handle;
3188 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list);
3189 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3190 "DELAYED:tr:handle(0x%04x), (open)\n",
3191 ioc->name, handle));
d1cb5e49 3192 goto out;
f92363d1
SR		 3193 }
3194
3195 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3196 "tr_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
3197 ioc->name, handle, smid,
3198 ioc->tm_tr_cb_idx));
3199 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
3200 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
3201 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
3202 mpi_request->DevHandle = cpu_to_le16(handle);
3203 mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
03d1fb3a 3204 mpt3sas_base_put_smid_hi_priority(ioc, smid, 0);
f92363d1 3205 mpt3sas_trigger_master(ioc, MASTER_TRIGGER_DEVICE_REMOVAL);
d1cb5e49
SR		 3206
3207out:
3208 if (sas_device)
3209 sas_device_put(sas_device);
f92363d1
SR		 3210}
3211
3212/**
3213 * _scsih_tm_tr_complete -
3214 * @ioc: per adapter object
3215 * @smid: system request message index
3216 * @msix_index: MSIX table index supplied by the OS
3217 * @reply: reply message frame(lower 32bit addr)
3218 * Context: interrupt time.
3219 *
3220 * This is the target reset completion routine.
3221 * This code is part of the code to initiate the device removal
3222 * handshake protocol with controller firmware.
3223 * It will send a sas iounit control request (MPI2_SAS_OP_REMOVE_DEVICE)
3224 *
3225 * Return 1 meaning mf should be freed from _base_interrupt
3226 * 0 means the mf is freed from this function.
3227 */
3228static u8
3229_scsih_tm_tr_complete(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
3230 u32 reply)
3231{
3232 u16 handle;
3233 Mpi2SCSITaskManagementRequest_t *mpi_request_tm;
3234 Mpi2SCSITaskManagementReply_t *mpi_reply =
3235 mpt3sas_base_get_reply_virt_addr(ioc, reply);
3236 Mpi2SasIoUnitControlRequest_t *mpi_request;
3237 u16 smid_sas_ctrl;
3238 u32 ioc_state;
fd0331b3 3239 struct _sc_list *delayed_sc;
f92363d1
SR		 3240
3241 if (ioc->remove_host) {
3242 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3243 "%s: host has been removed\n", __func__, ioc->name));
3244 return 1;
3245 } else if (ioc->pci_error_recovery) {
3246 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3247 "%s: host in pci error recovery\n", __func__,
3248 ioc->name));
3249 return 1;
3250 }
3251 ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
3252 if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
3253 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3254 "%s: host is not operational\n", __func__, ioc->name));
3255 return 1;
3256 }
3257 if (unlikely(!mpi_reply)) {
3258 pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n",
3259 ioc->name, __FILE__, __LINE__, __func__);
3260 return 1;
3261 }
3262 mpi_request_tm = mpt3sas_base_get_msg_frame(ioc, smid);
3263 handle = le16_to_cpu(mpi_request_tm->DevHandle);
3264 if (handle != le16_to_cpu(mpi_reply->DevHandle)) {
3265 dewtprintk(ioc, pr_err(MPT3SAS_FMT
3266 "spurious interrupt: handle(0x%04x:0x%04x), smid(%d)!!!\n",
3267 ioc->name, handle,
3268 le16_to_cpu(mpi_reply->DevHandle), smid));
3269 return 0;
3270 }
3271
3272 mpt3sas_trigger_master(ioc, MASTER_TRIGGER_TASK_MANAGMENT);
3273 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3274 "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
3275 "loginfo(0x%08x), completed(%d)\n", ioc->name,
3276 handle, smid, le16_to_cpu(mpi_reply->IOCStatus),
3277 le32_to_cpu(mpi_reply->IOCLogInfo),
3278 le32_to_cpu(mpi_reply->TerminationCount)));
3279
3280 smid_sas_ctrl = mpt3sas_base_get_smid(ioc, ioc->tm_sas_control_cb_idx);
3281 if (!smid_sas_ctrl) {
fd0331b3
SS		 3282 delayed_sc = kzalloc(sizeof(*delayed_sc), GFP_ATOMIC);
3283 if (!delayed_sc)
3284 return _scsih_check_for_pending_tm(ioc, smid);
3285 INIT_LIST_HEAD(&delayed_sc->list);
3286 delayed_sc->handle = mpi_request_tm->DevHandle;
3287 list_add_tail(&delayed_sc->list, &ioc->delayed_sc_list);
3288 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3289 "DELAYED:sc:handle(0x%04x), (open)\n",
3290 ioc->name, handle));
3291 return _scsih_check_for_pending_tm(ioc, smid);
f92363d1
SR		 3292 }
3293
3294 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3295 "sc_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
3296 ioc->name, handle, smid_sas_ctrl,
3297 ioc->tm_sas_control_cb_idx));
3298 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid_sas_ctrl);
3299 memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t));
3300 mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
3301 mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE;
3302 mpi_request->DevHandle = mpi_request_tm->DevHandle;
3303 mpt3sas_base_put_smid_default(ioc, smid_sas_ctrl);
3304
3305 return _scsih_check_for_pending_tm(ioc, smid);
3306}
3307
3308
3309/**
3310 * _scsih_sas_control_complete - completion routine
3311 * @ioc: per adapter object
3312 * @smid: system request message index
3313 * @msix_index: MSIX table index supplied by the OS
3314 * @reply: reply message frame(lower 32bit addr)
3315 * Context: interrupt time.
3316 *
3317 * This is the sas iounit control completion routine.
3318 * This code is part of the code to initiate the device removal
3319 * handshake protocol with controller firmware.
3320 *
3321 * Return 1 meaning mf should be freed from _base_interrupt
3322 * 0 means the mf is freed from this function.
3323 */
3324static u8
3325_scsih_sas_control_complete(struct MPT3SAS_ADAPTER *ioc, u16 smid,
3326 u8 msix_index, u32 reply)
3327{
3328 Mpi2SasIoUnitControlReply_t *mpi_reply =
3329 mpt3sas_base_get_reply_virt_addr(ioc, reply);
3330
3331 if (likely(mpi_reply)) {
3332 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3333 "sc_complete:handle(0x%04x), (open) "
3334 "smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n",
3335 ioc->name, le16_to_cpu(mpi_reply->DevHandle), smid,
3336 le16_to_cpu(mpi_reply->IOCStatus),
3337 le32_to_cpu(mpi_reply->IOCLogInfo)));
3338 } else {
3339 pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n",
3340 ioc->name, __FILE__, __LINE__, __func__);
3341 }
fd0331b3 3342 return mpt3sas_check_for_pending_internal_cmds(ioc, smid);
f92363d1
SR		 3343}
3344
3345/**
3346 * _scsih_tm_tr_volume_send - send target reset request for volumes
3347 * @ioc: per adapter object
3348 * @handle: device handle
3349 * Context: interrupt time.
3350 *
3351 * This is designed to send muliple task management request at the same
3352 * time to the fifo. If the fifo is full, we will append the request,
3353 * and process it in a future completion.
3354 */
3355static void
3356_scsih_tm_tr_volume_send(struct MPT3SAS_ADAPTER *ioc, u16 handle)
3357{
3358 Mpi2SCSITaskManagementRequest_t *mpi_request;
3359 u16 smid;
3360 struct _tr_list *delayed_tr;
3361
3362 if (ioc->shost_recovery || ioc->remove_host ||
3363 ioc->pci_error_recovery) {
3364 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3365 "%s: host reset in progress!\n",
3366 __func__, ioc->name));
3367 return;
3368 }
3369
3370 smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_tr_volume_cb_idx);
3371 if (!smid) {
3372 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
3373 if (!delayed_tr)
3374 return;
3375 INIT_LIST_HEAD(&delayed_tr->list);
3376 delayed_tr->handle = handle;
3377 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_volume_list);
3378 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3379 "DELAYED:tr:handle(0x%04x), (open)\n",
3380 ioc->name, handle));
3381 return;
3382 }
3383
3384 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3385 "tr_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
3386 ioc->name, handle, smid,
3387 ioc->tm_tr_volume_cb_idx));
3388 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
3389 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
3390 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
3391 mpi_request->DevHandle = cpu_to_le16(handle);
3392 mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
03d1fb3a 3393 mpt3sas_base_put_smid_hi_priority(ioc, smid, 0);
f92363d1
SR		 3394}
3395
3396/**
3397 * _scsih_tm_volume_tr_complete - target reset completion
3398 * @ioc: per adapter object
3399 * @smid: system request message index
3400 * @msix_index: MSIX table index supplied by the OS
3401 * @reply: reply message frame(lower 32bit addr)
3402 * Context: interrupt time.
3403 *
3404 * Return 1 meaning mf should be freed from _base_interrupt
3405 * 0 means the mf is freed from this function.
3406 */
3407static u8
3408_scsih_tm_volume_tr_complete(struct MPT3SAS_ADAPTER *ioc, u16 smid,
3409 u8 msix_index, u32 reply)
3410{
3411 u16 handle;
3412 Mpi2SCSITaskManagementRequest_t *mpi_request_tm;
3413 Mpi2SCSITaskManagementReply_t *mpi_reply =
3414 mpt3sas_base_get_reply_virt_addr(ioc, reply);
3415
3416 if (ioc->shost_recovery || ioc->remove_host ||
3417 ioc->pci_error_recovery) {
3418 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3419 "%s: host reset in progress!\n",
3420 __func__, ioc->name));
3421 return 1;
3422 }
3423 if (unlikely(!mpi_reply)) {
3424 pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n",
3425 ioc->name, __FILE__, __LINE__, __func__);
3426 return 1;
3427 }
3428
3429 mpi_request_tm = mpt3sas_base_get_msg_frame(ioc, smid);
3430 handle = le16_to_cpu(mpi_request_tm->DevHandle);
3431 if (handle != le16_to_cpu(mpi_reply->DevHandle)) {
3432 dewtprintk(ioc, pr_err(MPT3SAS_FMT
3433 "spurious interrupt: handle(0x%04x:0x%04x), smid(%d)!!!\n",
3434 ioc->name, handle,
3435 le16_to_cpu(mpi_reply->DevHandle), smid));
3436 return 0;
3437 }
3438
3439 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3440 "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
3441 "loginfo(0x%08x), completed(%d)\n", ioc->name,
3442 handle, smid, le16_to_cpu(mpi_reply->IOCStatus),
3443 le32_to_cpu(mpi_reply->IOCLogInfo),
3444 le32_to_cpu(mpi_reply->TerminationCount)));
3445
3446 return _scsih_check_for_pending_tm(ioc, smid);
3447}
3448
fd0331b3
SS		 3449/**
3450 * _scsih_issue_delayed_event_ack - issue delayed Event ACK messages
3451 * @ioc: per adapter object
3452 * @smid: system request message index
3453 * @event: Event ID
3454 * @event_context: used to track events uniquely
3455 *
3456 * Context - processed in interrupt context.
3457 */
3458void
3459_scsih_issue_delayed_event_ack(struct MPT3SAS_ADAPTER *ioc, u16 smid, u16 event,
3460 u32 event_context)
3461{
3462 Mpi2EventAckRequest_t *ack_request;
3463 int i = smid - ioc->internal_smid;
3464 unsigned long flags;
3465
3466 /* Without releasing the smid just update the
3467 * call back index and reuse the same smid for
3468 * processing this delayed request
3469 */
3470 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
3471 ioc->internal_lookup[i].cb_idx = ioc->base_cb_idx;
3472 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
3473
3474 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3475 "EVENT ACK: event(0x%04x), smid(%d), cb(%d)\n",
3476 ioc->name, le16_to_cpu(event), smid,
3477 ioc->base_cb_idx));
3478 ack_request = mpt3sas_base_get_msg_frame(ioc, smid);
3479 memset(ack_request, 0, sizeof(Mpi2EventAckRequest_t));
3480 ack_request->Function = MPI2_FUNCTION_EVENT_ACK;
3481 ack_request->Event = event;
3482 ack_request->EventContext = event_context;
3483 ack_request->VF_ID = 0; /* TODO */
3484 ack_request->VP_ID = 0;
3485 mpt3sas_base_put_smid_default(ioc, smid);
3486}
3487
3488/**
3489 * _scsih_issue_delayed_sas_io_unit_ctrl - issue delayed
3490 * sas_io_unit_ctrl messages
3491 * @ioc: per adapter object
3492 * @smid: system request message index
3493 * @handle: device handle
3494 *
3495 * Context - processed in interrupt context.
3496 */
3497void
3498_scsih_issue_delayed_sas_io_unit_ctrl(struct MPT3SAS_ADAPTER *ioc,
3499 u16 smid, u16 handle)
3500 {
3501 Mpi2SasIoUnitControlRequest_t *mpi_request;
3502 u32 ioc_state;
3503 int i = smid - ioc->internal_smid;
3504 unsigned long flags;
3505
3506 if (ioc->remove_host) {
3507 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3508 "%s: host has been removed\n",
3509 __func__, ioc->name));
3510 return;
3511 } else if (ioc->pci_error_recovery) {
3512 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3513 "%s: host in pci error recovery\n",
3514 __func__, ioc->name));
3515 return;
3516 }
3517 ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
3518 if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
3519 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3520 "%s: host is not operational\n",
3521 __func__, ioc->name));
3522 return;
3523 }
3524
3525 /* Without releasing the smid just update the
3526 * call back index and reuse the same smid for
3527 * processing this delayed request
3528 */
3529 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
3530 ioc->internal_lookup[i].cb_idx = ioc->tm_sas_control_cb_idx;
3531 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
3532
3533 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3534 "sc_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
3535 ioc->name, le16_to_cpu(handle), smid,
3536 ioc->tm_sas_control_cb_idx));
3537 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
3538 memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t));
3539 mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
3540 mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE;
3541 mpi_request->DevHandle = handle;
3542 mpt3sas_base_put_smid_default(ioc, smid);
3543}
3544
3545/**
3546 * _scsih_check_for_pending_internal_cmds - check for pending internal messages
3547 * @ioc: per adapter object
3548 * @smid: system request message index
3549 *
3550 * Context: Executed in interrupt context
3551 *
3552 * This will check delayed internal messages list, and process the
3553 * next request.
3554 *
3555 * Return 1 meaning mf should be freed from _base_interrupt
3556 * 0 means the mf is freed from this function.
3557 */
3558u8
3559mpt3sas_check_for_pending_internal_cmds(struct MPT3SAS_ADAPTER *ioc, u16 smid)
3560{
3561 struct _sc_list *delayed_sc;
3562 struct _event_ack_list *delayed_event_ack;
3563
3564 if (!list_empty(&ioc->delayed_event_ack_list)) {
3565 delayed_event_ack = list_entry(ioc->delayed_event_ack_list.next,
3566 struct _event_ack_list, list);
3567 _scsih_issue_delayed_event_ack(ioc, smid,
3568 delayed_event_ack->Event, delayed_event_ack->EventContext);
3569 list_del(&delayed_event_ack->list);
3570 kfree(delayed_event_ack);
3571 return 0;
3572 }
3573
3574 if (!list_empty(&ioc->delayed_sc_list)) {
3575 delayed_sc = list_entry(ioc->delayed_sc_list.next,
3576 struct _sc_list, list);
3577 _scsih_issue_delayed_sas_io_unit_ctrl(ioc, smid,
3578 delayed_sc->handle);
3579 list_del(&delayed_sc->list);
3580 kfree(delayed_sc);
3581 return 0;
3582 }
3583 return 1;
3584}
f92363d1
SR		 3585
3586/**
3587 * _scsih_check_for_pending_tm - check for pending task management
3588 * @ioc: per adapter object
3589 * @smid: system request message index
3590 *
3591 * This will check delayed target reset list, and feed the
3592 * next reqeust.
3593 *
3594 * Return 1 meaning mf should be freed from _base_interrupt
3595 * 0 means the mf is freed from this function.
3596 */
3597static u8
3598_scsih_check_for_pending_tm(struct MPT3SAS_ADAPTER *ioc, u16 smid)
3599{
3600 struct _tr_list *delayed_tr;
3601
3602 if (!list_empty(&ioc->delayed_tr_volume_list)) {
3603 delayed_tr = list_entry(ioc->delayed_tr_volume_list.next,
3604 struct _tr_list, list);
3605 mpt3sas_base_free_smid(ioc, smid);
3606 _scsih_tm_tr_volume_send(ioc, delayed_tr->handle);
3607 list_del(&delayed_tr->list);
3608 kfree(delayed_tr);
3609 return 0;
3610 }
3611
3612 if (!list_empty(&ioc->delayed_tr_list)) {
3613 delayed_tr = list_entry(ioc->delayed_tr_list.next,
3614 struct _tr_list, list);
3615 mpt3sas_base_free_smid(ioc, smid);
3616 _scsih_tm_tr_send(ioc, delayed_tr->handle);
3617 list_del(&delayed_tr->list);
3618 kfree(delayed_tr);
3619 return 0;
3620 }
3621
3622 return 1;
3623}
3624
3625/**
3626 * _scsih_check_topo_delete_events - sanity check on topo events
3627 * @ioc: per adapter object
3628 * @event_data: the event data payload
3629 *
3630 * This routine added to better handle cable breaker.
3631 *
3632 * This handles the case where driver receives multiple expander
3633 * add and delete events in a single shot. When there is a delete event
3634 * the routine will void any pending add events waiting in the event queue.
3635 *
3636 * Return nothing.
3637 */
3638static void
3639_scsih_check_topo_delete_events(struct MPT3SAS_ADAPTER *ioc,
3640 Mpi2EventDataSasTopologyChangeList_t *event_data)
3641{
3642 struct fw_event_work *fw_event;
3643 Mpi2EventDataSasTopologyChangeList_t *local_event_data;
3644 u16 expander_handle;
3645 struct _sas_node *sas_expander;
3646 unsigned long flags;
3647 int i, reason_code;
3648 u16 handle;
3649
3650 for (i = 0 ; i < event_data->NumEntries; i++) {
3651 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
3652 if (!handle)
3653 continue;
3654 reason_code = event_data->PHY[i].PhyStatus &
3655 MPI2_EVENT_SAS_TOPO_RC_MASK;
3656 if (reason_code == MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)
3657 _scsih_tm_tr_send(ioc, handle);
3658 }
3659
3660 expander_handle = le16_to_cpu(event_data->ExpanderDevHandle);
3661 if (expander_handle < ioc->sas_hba.num_phys) {
3662 _scsih_block_io_to_children_attached_directly(ioc, event_data);
3663 return;
3664 }
3665 if (event_data->ExpStatus ==
3666 MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING) {
3667 /* put expander attached devices into blocking state */
3668 spin_lock_irqsave(&ioc->sas_node_lock, flags);
3669 sas_expander = mpt3sas_scsih_expander_find_by_handle(ioc,
3670 expander_handle);
3671 _scsih_block_io_to_children_attached_to_ex(ioc, sas_expander);
3672 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
3673 do {
3674 handle = find_first_bit(ioc->blocking_handles,
3675 ioc->facts.MaxDevHandle);
3676 if (handle < ioc->facts.MaxDevHandle)
3677 _scsih_block_io_device(ioc, handle);
3678 } while (test_and_clear_bit(handle, ioc->blocking_handles));
3679 } else if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_RESPONDING)
3680 _scsih_block_io_to_children_attached_directly(ioc, event_data);
3681
3682 if (event_data->ExpStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING)
3683 return;
3684
3685 /* mark ignore flag for pending events */
3686 spin_lock_irqsave(&ioc->fw_event_lock, flags);
3687 list_for_each_entry(fw_event, &ioc->fw_event_list, list) {
3688 if (fw_event->event != MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
3689 fw_event->ignore)
3690 continue;
35b62362
JL		 3691 local_event_data = (Mpi2EventDataSasTopologyChangeList_t *)
3692 fw_event->event_data;
f92363d1
SR		 3693 if (local_event_data->ExpStatus ==
3694 MPI2_EVENT_SAS_TOPO_ES_ADDED ||
3695 local_event_data->ExpStatus ==
3696 MPI2_EVENT_SAS_TOPO_ES_RESPONDING) {
3697 if (le16_to_cpu(local_event_data->ExpanderDevHandle) ==
3698 expander_handle) {
3699 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3700 "setting ignoring flag\n", ioc->name));
3701 fw_event->ignore = 1;
3702 }
3703 }
3704 }
3705 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
3706}
3707
3708/**
3709 * _scsih_set_volume_delete_flag - setting volume delete flag
3710 * @ioc: per adapter object
3711 * @handle: device handle
3712 *
3713 * This returns nothing.
3714 */
3715static void
3716_scsih_set_volume_delete_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle)
3717{
3718 struct _raid_device *raid_device;
3719 struct MPT3SAS_TARGET *sas_target_priv_data;
3720 unsigned long flags;
3721
3722 spin_lock_irqsave(&ioc->raid_device_lock, flags);
c84b06a4 3723 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
f92363d1
SR		 3724 if (raid_device && raid_device->starget &&
3725 raid_device->starget->hostdata) {
3726 sas_target_priv_data =
3727 raid_device->starget->hostdata;
3728 sas_target_priv_data->deleted = 1;
3729 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3730 "setting delete flag: handle(0x%04x), "
3731 "wwid(0x%016llx)\n", ioc->name, handle,
3732 (unsigned long long) raid_device->wwid));
3733 }
3734 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
3735}
3736
3737/**
3738 * _scsih_set_volume_handle_for_tr - set handle for target reset to volume
3739 * @handle: input handle
3740 * @a: handle for volume a
3741 * @b: handle for volume b
3742 *
3743 * IR firmware only supports two raid volumes. The purpose of this
3744 * routine is to set the volume handle in either a or b. When the given
3745 * input handle is non-zero, or when a and b have not been set before.
3746 */
3747static void
3748_scsih_set_volume_handle_for_tr(u16 handle, u16 *a, u16 *b)
3749{
3750 if (!handle || handle == *a || handle == *b)
3751 return;
3752 if (!*a)
3753 *a = handle;
3754 else if (!*b)
3755 *b = handle;
3756}
3757
3758/**
3759 * _scsih_check_ir_config_unhide_events - check for UNHIDE events
3760 * @ioc: per adapter object
3761 * @event_data: the event data payload
3762 * Context: interrupt time.
3763 *
3764 * This routine will send target reset to volume, followed by target
3765 * resets to the PDs. This is called when a PD has been removed, or
3766 * volume has been deleted or removed. When the target reset is sent
3767 * to volume, the PD target resets need to be queued to start upon
3768 * completion of the volume target reset.
3769 *
3770 * Return nothing.
3771 */
3772static void
3773_scsih_check_ir_config_unhide_events(struct MPT3SAS_ADAPTER *ioc,
3774 Mpi2EventDataIrConfigChangeList_t *event_data)
3775{
3776 Mpi2EventIrConfigElement_t *element;
3777 int i;
3778 u16 handle, volume_handle, a, b;
3779 struct _tr_list *delayed_tr;
3780
3781 a = 0;
3782 b = 0;
3783
7786ab6a
SR		 3784 if (ioc->is_warpdrive)
3785 return;
3786
f92363d1
SR		 3787 /* Volume Resets for Deleted or Removed */
3788 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
3789 for (i = 0; i < event_data->NumElements; i++, element++) {
3790 if (le32_to_cpu(event_data->Flags) &
3791 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
3792 continue;
3793 if (element->ReasonCode ==
3794 MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED ||
3795 element->ReasonCode ==
3796 MPI2_EVENT_IR_CHANGE_RC_REMOVED) {
3797 volume_handle = le16_to_cpu(element->VolDevHandle);
3798 _scsih_set_volume_delete_flag(ioc, volume_handle);
3799 _scsih_set_volume_handle_for_tr(volume_handle, &a, &b);
3800 }
3801 }
3802
3803 /* Volume Resets for UNHIDE events */
3804 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
3805 for (i = 0; i < event_data->NumElements; i++, element++) {
3806 if (le32_to_cpu(event_data->Flags) &
3807 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
3808 continue;
3809 if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_UNHIDE) {
3810 volume_handle = le16_to_cpu(element->VolDevHandle);
3811 _scsih_set_volume_handle_for_tr(volume_handle, &a, &b);
3812 }
3813 }
3814
3815 if (a)
3816 _scsih_tm_tr_volume_send(ioc, a);
3817 if (b)
3818 _scsih_tm_tr_volume_send(ioc, b);
3819
3820 /* PD target resets */
3821 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
3822 for (i = 0; i < event_data->NumElements; i++, element++) {
3823 if (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_UNHIDE)
3824 continue;
3825 handle = le16_to_cpu(element->PhysDiskDevHandle);
3826 volume_handle = le16_to_cpu(element->VolDevHandle);
3827 clear_bit(handle, ioc->pd_handles);
3828 if (!volume_handle)
3829 _scsih_tm_tr_send(ioc, handle);
3830 else if (volume_handle == a || volume_handle == b) {
3831 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
3832 BUG_ON(!delayed_tr);
3833 INIT_LIST_HEAD(&delayed_tr->list);
3834 delayed_tr->handle = handle;
3835 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list);
3836 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3837 "DELAYED:tr:handle(0x%04x), (open)\n", ioc->name,
3838 handle));
3839 } else
3840 _scsih_tm_tr_send(ioc, handle);
3841 }
3842}
3843
3844
3845/**
3846 * _scsih_check_volume_delete_events - set delete flag for volumes
3847 * @ioc: per adapter object
3848 * @event_data: the event data payload
3849 * Context: interrupt time.
3850 *
3851 * This will handle the case when the cable connected to entire volume is
3852 * pulled. We will take care of setting the deleted flag so normal IO will
3853 * not be sent.
3854 *
3855 * Return nothing.
3856 */
3857static void
3858_scsih_check_volume_delete_events(struct MPT3SAS_ADAPTER *ioc,
3859 Mpi2EventDataIrVolume_t *event_data)
3860{
3861 u32 state;
3862
3863 if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
3864 return;
3865 state = le32_to_cpu(event_data->NewValue);
3866 if (state == MPI2_RAID_VOL_STATE_MISSING || state ==
3867 MPI2_RAID_VOL_STATE_FAILED)
3868 _scsih_set_volume_delete_flag(ioc,
3869 le16_to_cpu(event_data->VolDevHandle));
3870}
3871
2d8ce8c9
SR		 3872/**
3873 * _scsih_temp_threshold_events - display temperature threshold exceeded events
3874 * @ioc: per adapter object
3875 * @event_data: the temp threshold event data
3876 * Context: interrupt time.
3877 *
3878 * Return nothing.
3879 */
3880static void
3881_scsih_temp_threshold_events(struct MPT3SAS_ADAPTER *ioc,
3882 Mpi2EventDataTemperature_t *event_data)
3883{
3884 if (ioc->temp_sensors_count >= event_data->SensorNum) {
3885 pr_err(MPT3SAS_FMT "Temperature Threshold flags %s%s%s%s"
3886 " exceeded for Sensor: %d !!!\n", ioc->name,
3887 ((le16_to_cpu(event_data->Status) & 0x1) == 1) ? "0 " : " ",
3888 ((le16_to_cpu(event_data->Status) & 0x2) == 2) ? "1 " : " ",
3889 ((le16_to_cpu(event_data->Status) & 0x4) == 4) ? "2 " : " ",
3890 ((le16_to_cpu(event_data->Status) & 0x8) == 8) ? "3 " : " ",
3891 event_data->SensorNum);
3892 pr_err(MPT3SAS_FMT "Current Temp In Celsius: %d\n",
3893 ioc->name, event_data->CurrentTemperature);
3894 }
3895}
3896
f92363d1
SR		 3897/**
3898 * _scsih_flush_running_cmds - completing outstanding commands.
3899 * @ioc: per adapter object
3900 *
3901 * The flushing out of all pending scmd commands following host reset,
3902 * where all IO is dropped to the floor.
3903 *
3904 * Return nothing.
3905 */
3906static void
3907_scsih_flush_running_cmds(struct MPT3SAS_ADAPTER *ioc)
3908{
3909 struct scsi_cmnd *scmd;
3910 u16 smid;
3911 u16 count = 0;
3912
3913 for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
3914 scmd = _scsih_scsi_lookup_get_clear(ioc, smid);
3915 if (!scmd)
3916 continue;
3917 count++;
3918 mpt3sas_base_free_smid(ioc, smid);
3919 scsi_dma_unmap(scmd);
3920 if (ioc->pci_error_recovery)
3921 scmd->result = DID_NO_CONNECT << 16;
3922 else
3923 scmd->result = DID_RESET << 16;
3924 scmd->scsi_done(scmd);
3925 }
3926 dtmprintk(ioc, pr_info(MPT3SAS_FMT "completing %d cmds\n",
3927 ioc->name, count));
3928}
3929
3930/**
3931 * _scsih_setup_eedp - setup MPI request for EEDP transfer
3932 * @ioc: per adapter object
3933 * @scmd: pointer to scsi command object
3934 * @mpi_request: pointer to the SCSI_IO reqest message frame
3935 *
3936 * Supporting protection 1 and 3.
3937 *
3938 * Returns nothing
3939 */
3940static void
3941_scsih_setup_eedp(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
3942 Mpi2SCSIIORequest_t *mpi_request)
3943{
3944 u16 eedp_flags;
3945 unsigned char prot_op = scsi_get_prot_op(scmd);
3946 unsigned char prot_type = scsi_get_prot_type(scmd);
3947 Mpi25SCSIIORequest_t *mpi_request_3v =
3948 (Mpi25SCSIIORequest_t *)mpi_request;
3949
3950 if (prot_type == SCSI_PROT_DIF_TYPE0 || prot_op == SCSI_PROT_NORMAL)
3951 return;
3952
3953 if (prot_op == SCSI_PROT_READ_STRIP)
3954 eedp_flags = MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP;
3955 else if (prot_op == SCSI_PROT_WRITE_INSERT)
3956 eedp_flags = MPI2_SCSIIO_EEDPFLAGS_INSERT_OP;
3957 else
3958 return;
3959
3960 switch (prot_type) {
3961 case SCSI_PROT_DIF_TYPE1:
3962 case SCSI_PROT_DIF_TYPE2:
3963
3964 /*
3965 * enable ref/guard checking
3966 * auto increment ref tag
3967 */
3968 eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
3969 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG |
3970 MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
3971 mpi_request->CDB.EEDP32.PrimaryReferenceTag =
648512cc 3972 cpu_to_be32(scsi_prot_ref_tag(scmd));
f92363d1
SR		 3973 break;
3974
3975 case SCSI_PROT_DIF_TYPE3:
3976
3977 /*
3978 * enable guard checking
3979 */
3980 eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
3981
3982 break;
3983 }
3984
3985 mpi_request_3v->EEDPBlockSize =
3986 cpu_to_le16(scmd->device->sector_size);
3987 mpi_request->EEDPFlags = cpu_to_le16(eedp_flags);
3988}
3989
3990/**
3991 * _scsih_eedp_error_handling - return sense code for EEDP errors
3992 * @scmd: pointer to scsi command object
3993 * @ioc_status: ioc status
3994 *
3995 * Returns nothing
3996 */
3997static void
3998_scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status)
3999{
4000 u8 ascq;
4001
4002 switch (ioc_status) {
4003 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
4004 ascq = 0x01;
4005 break;
4006 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
4007 ascq = 0x02;
4008 break;
4009 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
4010 ascq = 0x03;
4011 break;
4012 default:
4013 ascq = 0x00;
4014 break;
4015 }
4016 scsi_build_sense_buffer(0, scmd->sense_buffer, ILLEGAL_REQUEST, 0x10,
4017 ascq);
4018 scmd->result = DRIVER_SENSE << 24 | (DID_ABORT << 16) |
4019 SAM_STAT_CHECK_CONDITION;
4020}
4021
4022
7786ab6a 4023
f92363d1 4024/**
8a7e4c24 4025 * scsih_qcmd - main scsi request entry point
f92363d1
SR		 4026 * @scmd: pointer to scsi command object
4027 * @done: function pointer to be invoked on completion
4028 *
4029 * The callback index is set inside `ioc->scsi_io_cb_idx`.
4030 *
4031 * Returns 0 on success. If there's a failure, return either:
4032 * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or
4033 * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full
4034 */
8a7e4c24
SR		 4035int
4036scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd)
f92363d1 4037{
d8bfbd8d 4038 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
f92363d1
SR		 4039 struct MPT3SAS_DEVICE *sas_device_priv_data;
4040 struct MPT3SAS_TARGET *sas_target_priv_data;
7786ab6a 4041 struct _raid_device *raid_device;
f92363d1
SR		 4042 Mpi2SCSIIORequest_t *mpi_request;
4043 u32 mpi_control;
4044 u16 smid;
4045 u16 handle;
4046
f92363d1
SR		 4047 if (ioc->logging_level & MPT_DEBUG_SCSI)
4048 scsi_print_command(scmd);
f92363d1 4049
f92363d1
SR		 4050 sas_device_priv_data = scmd->device->hostdata;
4051 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
4052 scmd->result = DID_NO_CONNECT << 16;
4053 scmd->scsi_done(scmd);
4054 return 0;
4055 }
4056
4057 if (ioc->pci_error_recovery || ioc->remove_host) {
4058 scmd->result = DID_NO_CONNECT << 16;
4059 scmd->scsi_done(scmd);
4060 return 0;
4061 }
4062
4063 sas_target_priv_data = sas_device_priv_data->sas_target;
4064
4065 /* invalid device handle */
4066 handle = sas_target_priv_data->handle;
4067 if (handle == MPT3SAS_INVALID_DEVICE_HANDLE) {
4068 scmd->result = DID_NO_CONNECT << 16;
4069 scmd->scsi_done(scmd);
4070 return 0;
4071 }
4072
4073
4074 /* host recovery or link resets sent via IOCTLs */
4075 if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress)
4076 return SCSI_MLQUEUE_HOST_BUSY;
4077
4078 /* device has been deleted */
4079 else if (sas_target_priv_data->deleted) {
4080 scmd->result = DID_NO_CONNECT << 16;
4081 scmd->scsi_done(scmd);
4082 return 0;
4083 /* device busy with task managment */
4084 } else if (sas_target_priv_data->tm_busy ||
4085 sas_device_priv_data->block)
4086 return SCSI_MLQUEUE_DEVICE_BUSY;
4087
4088 if (scmd->sc_data_direction == DMA_FROM_DEVICE)
4089 mpi_control = MPI2_SCSIIO_CONTROL_READ;
4090 else if (scmd->sc_data_direction == DMA_TO_DEVICE)
4091 mpi_control = MPI2_SCSIIO_CONTROL_WRITE;
4092 else
4093 mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER;
4094
4095 /* set tags */
609aa22f 4096 mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
f92363d1 4097
7786ab6a
SR		 4098 /* Make sure Device is not raid volume.
4099 * We do not expose raid functionality to upper layer for warpdrive.
4100 */
4101 if (!ioc->is_warpdrive && !scsih_is_raid(&scmd->device->sdev_gendev)
15de0de2 4102 && sas_is_tlr_enabled(scmd->device) && scmd->cmd_len != 32)
f92363d1
SR		 4103 mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON;
4104
4105 smid = mpt3sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd);
4106 if (!smid) {
4107 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
4108 ioc->name, __func__);
4109 goto out;
4110 }
4111 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
4112 memset(mpi_request, 0, sizeof(Mpi2SCSIIORequest_t));
4113 _scsih_setup_eedp(ioc, scmd, mpi_request);
4114
4115 if (scmd->cmd_len == 32)
4116 mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT;
4117 mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
4118 if (sas_device_priv_data->sas_target->flags &
4119 MPT_TARGET_FLAGS_RAID_COMPONENT)
4120 mpi_request->Function = MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
4121 else
4122 mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
4123 mpi_request->DevHandle = cpu_to_le16(handle);
4124 mpi_request->DataLength = cpu_to_le32(scsi_bufflen(scmd));
4125 mpi_request->Control = cpu_to_le32(mpi_control);
4126 mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len);
4127 mpi_request->MsgFlags = MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR;
4128 mpi_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE;
4129 mpi_request->SenseBufferLowAddress =
4130 mpt3sas_base_get_sense_buffer_dma(ioc, smid);
4131 mpi_request->SGLOffset0 = offsetof(Mpi2SCSIIORequest_t, SGL) / 4;
4132 int_to_scsilun(sas_device_priv_data->lun, (struct scsi_lun *)
4133 mpi_request->LUN);
4134 memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len);
4135
4136 if (mpi_request->DataLength) {
4137 if (ioc->build_sg_scmd(ioc, scmd, smid)) {
4138 mpt3sas_base_free_smid(ioc, smid);
4139 goto out;
4140 }
4141 } else
4142 ioc->build_zero_len_sge(ioc, &mpi_request->SGL);
4143
7786ab6a
SR		 4144 raid_device = sas_target_priv_data->raid_device;
4145 if (raid_device && raid_device->direct_io_enabled)
c84b06a4 4146 mpt3sas_setup_direct_io(ioc, scmd, raid_device, mpi_request,
7786ab6a 4147 smid);
7786ab6a 4148
f92363d1
SR		 4149 if (likely(mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST)) {
4150 if (sas_target_priv_data->flags & MPT_TARGET_FASTPATH_IO) {
4151 mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len |
4152 MPI25_SCSIIO_IOFLAGS_FAST_PATH);
4153 mpt3sas_base_put_smid_fast_path(ioc, smid, handle);
4154 } else
7786ab6a
SR		 4155 mpt3sas_base_put_smid_scsi_io(ioc, smid,
4156 le16_to_cpu(mpi_request->DevHandle));
f92363d1
SR		 4157 } else
4158 mpt3sas_base_put_smid_default(ioc, smid);
4159 return 0;
4160
4161 out:
4162 return SCSI_MLQUEUE_HOST_BUSY;
4163}
f92363d1
SR		 4164
4165/**
4166 * _scsih_normalize_sense - normalize descriptor and fixed format sense data
4167 * @sense_buffer: sense data returned by target
4168 * @data: normalized skey/asc/ascq
4169 *
4170 * Return nothing.
4171 */
4172static void
4173_scsih_normalize_sense(char *sense_buffer, struct sense_info *data)
4174{
4175 if ((sense_buffer[0] & 0x7F) >= 0x72) {
4176 /* descriptor format */
4177 data->skey = sense_buffer[1] & 0x0F;
4178 data->asc = sense_buffer[2];
4179 data->ascq = sense_buffer[3];
4180 } else {
4181 /* fixed format */
4182 data->skey = sense_buffer[2] & 0x0F;
4183 data->asc = sense_buffer[12];
4184 data->ascq = sense_buffer[13];
4185 }
4186}
4187
f92363d1
SR		 4188/**
4189 * _scsih_scsi_ioc_info - translated non-succesfull SCSI_IO request
4190 * @ioc: per adapter object
4191 * @scmd: pointer to scsi command object
4192 * @mpi_reply: reply mf payload returned from firmware
4193 *
4194 * scsi_status - SCSI Status code returned from target device
4195 * scsi_state - state info associated with SCSI_IO determined by ioc
4196 * ioc_status - ioc supplied status info
4197 *
4198 * Return nothing.
4199 */
4200static void
4201_scsih_scsi_ioc_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
4202 Mpi2SCSIIOReply_t *mpi_reply, u16 smid)
4203{
4204 u32 response_info;
4205 u8 *response_bytes;
4206 u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) &
4207 MPI2_IOCSTATUS_MASK;
4208 u8 scsi_state = mpi_reply->SCSIState;
4209 u8 scsi_status = mpi_reply->SCSIStatus;
4210 char *desc_ioc_state = NULL;
4211 char *desc_scsi_status = NULL;
4212 char *desc_scsi_state = ioc->tmp_string;
4213 u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
4214 struct _sas_device *sas_device = NULL;
f92363d1
SR		 4215 struct scsi_target *starget = scmd->device->sdev_target;
4216 struct MPT3SAS_TARGET *priv_target = starget->hostdata;
4217 char *device_str = NULL;
4218
4219 if (!priv_target)
4220 return;
7786ab6a
SR		 4221 if (ioc->hide_ir_msg)
4222 device_str = "WarpDrive";
4223 else
4224 device_str = "volume";
f92363d1
SR		 4225
4226 if (log_info == 0x31170000)
4227 return;
4228
4229 switch (ioc_status) {
4230 case MPI2_IOCSTATUS_SUCCESS:
4231 desc_ioc_state = "success";
4232 break;
4233 case MPI2_IOCSTATUS_INVALID_FUNCTION:
4234 desc_ioc_state = "invalid function";
4235 break;
4236 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
4237 desc_ioc_state = "scsi recovered error";
4238 break;
4239 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
4240 desc_ioc_state = "scsi invalid dev handle";
4241 break;
4242 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
4243 desc_ioc_state = "scsi device not there";
4244 break;
4245 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
4246 desc_ioc_state = "scsi data overrun";
4247 break;
4248 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
4249 desc_ioc_state = "scsi data underrun";
4250 break;
4251 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
4252 desc_ioc_state = "scsi io data error";
4253 break;
4254 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
4255 desc_ioc_state = "scsi protocol error";
4256 break;
4257 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
4258 desc_ioc_state = "scsi task terminated";
4259 break;
4260 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
4261 desc_ioc_state = "scsi residual mismatch";
4262 break;
4263 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
4264 desc_ioc_state = "scsi task mgmt failed";
4265 break;
4266 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
4267 desc_ioc_state = "scsi ioc terminated";
4268 break;
4269 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
4270 desc_ioc_state = "scsi ext terminated";
4271 break;
4272 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
4273 desc_ioc_state = "eedp guard error";
4274 break;
4275 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
4276 desc_ioc_state = "eedp ref tag error";
4277 break;
4278 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
4279 desc_ioc_state = "eedp app tag error";
4280 break;
b130b0d5
SS		 4281 case MPI2_IOCSTATUS_INSUFFICIENT_POWER:
4282 desc_ioc_state = "insufficient power";
4283 break;
f92363d1
SR		 4284 default:
4285 desc_ioc_state = "unknown";
4286 break;
4287 }
4288
4289 switch (scsi_status) {
4290 case MPI2_SCSI_STATUS_GOOD:
4291 desc_scsi_status = "good";
4292 break;
4293 case MPI2_SCSI_STATUS_CHECK_CONDITION:
4294 desc_scsi_status = "check condition";
4295 break;
4296 case MPI2_SCSI_STATUS_CONDITION_MET:
4297 desc_scsi_status = "condition met";
4298 break;
4299 case MPI2_SCSI_STATUS_BUSY:
4300 desc_scsi_status = "busy";
4301 break;
4302 case MPI2_SCSI_STATUS_INTERMEDIATE:
4303 desc_scsi_status = "intermediate";
4304 break;
4305 case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET:
4306 desc_scsi_status = "intermediate condmet";
4307 break;
4308 case MPI2_SCSI_STATUS_RESERVATION_CONFLICT:
4309 desc_scsi_status = "reservation conflict";
4310 break;
4311 case MPI2_SCSI_STATUS_COMMAND_TERMINATED:
4312 desc_scsi_status = "command terminated";
4313 break;
4314 case MPI2_SCSI_STATUS_TASK_SET_FULL:
4315 desc_scsi_status = "task set full";
4316 break;
4317 case MPI2_SCSI_STATUS_ACA_ACTIVE:
4318 desc_scsi_status = "aca active";
4319 break;
4320 case MPI2_SCSI_STATUS_TASK_ABORTED:
4321 desc_scsi_status = "task aborted";
4322 break;
4323 default:
4324 desc_scsi_status = "unknown";
4325 break;
4326 }
4327
4328 desc_scsi_state[0] = '\0';
4329 if (!scsi_state)
4330 desc_scsi_state = " ";
4331 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
4332 strcat(desc_scsi_state, "response info ");
4333 if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
4334 strcat(desc_scsi_state, "state terminated ");
4335 if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS)
4336 strcat(desc_scsi_state, "no status ");
4337 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED)
4338 strcat(desc_scsi_state, "autosense failed ");
4339 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)
4340 strcat(desc_scsi_state, "autosense valid ");
4341
4342 scsi_print_command(scmd);
4343
4344 if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) {
4345 pr_warn(MPT3SAS_FMT "\t%s wwid(0x%016llx)\n", ioc->name,
4346 device_str, (unsigned long long)priv_target->sas_address);
4347 } else {
d1cb5e49 4348 sas_device = mpt3sas_get_sdev_from_target(ioc, priv_target);
f92363d1
SR		 4349 if (sas_device) {
4350 pr_warn(MPT3SAS_FMT
4351 "\tsas_address(0x%016llx), phy(%d)\n",
4352 ioc->name, (unsigned long long)
4353 sas_device->sas_address, sas_device->phy);
e6d45e3e
SR		 4354 if (sas_device->enclosure_handle != 0)
4355 pr_warn(MPT3SAS_FMT
4356 "\tenclosure_logical_id(0x%016llx),"
4357 "slot(%d)\n", ioc->name,
4358 (unsigned long long)
4359 sas_device->enclosure_logical_id,
4360 sas_device->slot);
4361 if (sas_device->connector_name[0])
4362 pr_warn(MPT3SAS_FMT
4363 "\tenclosure level(0x%04x),"
4364 " connector name( %s)\n", ioc->name,
4365 sas_device->enclosure_level,
4366 sas_device->connector_name);
d1cb5e49
SR		 4367
4368 sas_device_put(sas_device);
f92363d1 4369 }
f92363d1
SR		 4370 }
4371
4372 pr_warn(MPT3SAS_FMT
4373 "\thandle(0x%04x), ioc_status(%s)(0x%04x), smid(%d)\n",
4374 ioc->name, le16_to_cpu(mpi_reply->DevHandle),
4375 desc_ioc_state, ioc_status, smid);
4376 pr_warn(MPT3SAS_FMT
4377 "\trequest_len(%d), underflow(%d), resid(%d)\n",
4378 ioc->name, scsi_bufflen(scmd), scmd->underflow,
4379 scsi_get_resid(scmd));
4380 pr_warn(MPT3SAS_FMT
4381 "\ttag(%d), transfer_count(%d), sc->result(0x%08x)\n",
4382 ioc->name, le16_to_cpu(mpi_reply->TaskTag),
4383 le32_to_cpu(mpi_reply->TransferCount), scmd->result);
4384 pr_warn(MPT3SAS_FMT
4385 "\tscsi_status(%s)(0x%02x), scsi_state(%s)(0x%02x)\n",
4386 ioc->name, desc_scsi_status,
4387 scsi_status, desc_scsi_state, scsi_state);
4388
4389 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
4390 struct sense_info data;
4391 _scsih_normalize_sense(scmd->sense_buffer, &data);
4392 pr_warn(MPT3SAS_FMT
4393 "\t[sense_key,asc,ascq]: [0x%02x,0x%02x,0x%02x], count(%d)\n",
4394 ioc->name, data.skey,
4395 data.asc, data.ascq, le32_to_cpu(mpi_reply->SenseCount));
4396 }
4397
4398 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) {
4399 response_info = le32_to_cpu(mpi_reply->ResponseInfo);
4400 response_bytes = (u8 *)&response_info;
4401 _scsih_response_code(ioc, response_bytes[0]);
4402 }
4403}
f92363d1
SR		 4404
4405/**
0f624c39 4406 * _scsih_turn_on_pfa_led - illuminate PFA LED
f92363d1
SR		 4407 * @ioc: per adapter object
4408 * @handle: device handle
4409 * Context: process
4410 *
4411 * Return nothing.
4412 */
4413static void
0f624c39 4414_scsih_turn_on_pfa_led(struct MPT3SAS_ADAPTER *ioc, u16 handle)
f92363d1
SR		 4415{
4416 Mpi2SepReply_t mpi_reply;
4417 Mpi2SepRequest_t mpi_request;
0f624c39
SR		 4418 struct _sas_device *sas_device;
4419
d1cb5e49 4420 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
0f624c39
SR		 4421 if (!sas_device)
4422 return;
f92363d1
SR		 4423
4424 memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t));
4425 mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
4426 mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS;
4427 mpi_request.SlotStatus =
4428 cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
4429 mpi_request.DevHandle = cpu_to_le16(handle);
4430 mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS;
4431 if ((mpt3sas_base_scsi_enclosure_processor(ioc, &mpi_reply,
4432 &mpi_request)) != 0) {
4433 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", ioc->name,
4434 __FILE__, __LINE__, __func__);
d1cb5e49 4435 goto out;
f92363d1 4436 }
0f624c39 4437 sas_device->pfa_led_on = 1;
f92363d1
SR		 4438
4439 if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) {
4440 dewtprintk(ioc, pr_info(MPT3SAS_FMT
4441 "enclosure_processor: ioc_status (0x%04x), loginfo(0x%08x)\n",
4442 ioc->name, le16_to_cpu(mpi_reply.IOCStatus),
4443 le32_to_cpu(mpi_reply.IOCLogInfo)));
d1cb5e49 4444 goto out;
f92363d1 4445 }
d1cb5e49
SR		 4446out:
4447 sas_device_put(sas_device);
f92363d1 4448}
d1cb5e49 4449
0f624c39
SR		 4450/**
4451 * _scsih_turn_off_pfa_led - turn off Fault LED
4452 * @ioc: per adapter object
4453 * @sas_device: sas device whose PFA LED has to turned off
4454 * Context: process
4455 *
4456 * Return nothing.
4457 */
4458static void
4459_scsih_turn_off_pfa_led(struct MPT3SAS_ADAPTER *ioc,
4460 struct _sas_device *sas_device)
4461{
4462 Mpi2SepReply_t mpi_reply;
4463 Mpi2SepRequest_t mpi_request;
f92363d1 4464
0f624c39
SR		 4465 memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t));
4466 mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
4467 mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS;
4468 mpi_request.SlotStatus = 0;
4469 mpi_request.Slot = cpu_to_le16(sas_device->slot);
4470 mpi_request.DevHandle = 0;
4471 mpi_request.EnclosureHandle = cpu_to_le16(sas_device->enclosure_handle);
4472 mpi_request.Flags = MPI2_SEP_REQ_FLAGS_ENCLOSURE_SLOT_ADDRESS;
4473 if ((mpt3sas_base_scsi_enclosure_processor(ioc, &mpi_reply,
4474 &mpi_request)) != 0) {
4475 printk(MPT3SAS_FMT "failure at %s:%d/%s()!\n", ioc->name,
4476 __FILE__, __LINE__, __func__);
4477 return;
4478 }
4479
4480 if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) {
4481 dewtprintk(ioc, printk(MPT3SAS_FMT
4482 "enclosure_processor: ioc_status (0x%04x), loginfo(0x%08x)\n",
4483 ioc->name, le16_to_cpu(mpi_reply.IOCStatus),
4484 le32_to_cpu(mpi_reply.IOCLogInfo)));
4485 return;
4486 }
4487}
d1cb5e49 4488
f92363d1 4489/**
0f624c39 4490 * _scsih_send_event_to_turn_on_pfa_led - fire delayed event
f92363d1
SR		 4491 * @ioc: per adapter object
4492 * @handle: device handle
4493 * Context: interrupt.
4494 *
4495 * Return nothing.
4496 */
4497static void
0f624c39 4498_scsih_send_event_to_turn_on_pfa_led(struct MPT3SAS_ADAPTER *ioc, u16 handle)
f92363d1
SR		 4499{
4500 struct fw_event_work *fw_event;
4501
146b16c8 4502 fw_event = alloc_fw_event_work(0);
f92363d1
SR		 4503 if (!fw_event)
4504 return;
0f624c39 4505 fw_event->event = MPT3SAS_TURN_ON_PFA_LED;
f92363d1
SR		 4506 fw_event->device_handle = handle;
4507 fw_event->ioc = ioc;
4508 _scsih_fw_event_add(ioc, fw_event);
146b16c8 4509 fw_event_work_put(fw_event);
f92363d1
SR		 4510}
4511
4512/**
4513 * _scsih_smart_predicted_fault - process smart errors
4514 * @ioc: per adapter object
4515 * @handle: device handle
4516 * Context: interrupt.
4517 *
4518 * Return nothing.
4519 */
4520static void
4521_scsih_smart_predicted_fault(struct MPT3SAS_ADAPTER *ioc, u16 handle)
4522{
4523 struct scsi_target *starget;
4524 struct MPT3SAS_TARGET *sas_target_priv_data;
4525 Mpi2EventNotificationReply_t *event_reply;
4526 Mpi2EventDataSasDeviceStatusChange_t *event_data;
4527 struct _sas_device *sas_device;
4528 ssize_t sz;
4529 unsigned long flags;
4530
4531 /* only handle non-raid devices */
4532 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49
SR		 4533 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
4534 if (!sas_device)
4535 goto out_unlock;
4536
f92363d1
SR		 4537 starget = sas_device->starget;
4538 sas_target_priv_data = starget->hostdata;
4539
4540 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) ||
d1cb5e49
SR		 4541 ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)))
4542 goto out_unlock;
4543
e6d45e3e
SR		 4544 if (sas_device->enclosure_handle != 0)
4545 starget_printk(KERN_INFO, starget, "predicted fault, "
4546 "enclosure logical id(0x%016llx), slot(%d)\n",
4547 (unsigned long long)sas_device->enclosure_logical_id,
4548 sas_device->slot);
4549 if (sas_device->connector_name[0] != '\0')
4550 starget_printk(KERN_WARNING, starget, "predicted fault, "
4551 "enclosure level(0x%04x), connector name( %s)\n",
4552 sas_device->enclosure_level,
4553 sas_device->connector_name);
f92363d1
SR		 4554 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4555
4556 if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM)
0f624c39 4557 _scsih_send_event_to_turn_on_pfa_led(ioc, handle);
f92363d1
SR		 4558
4559 /* insert into event log */
4560 sz = offsetof(Mpi2EventNotificationReply_t, EventData) +
4561 sizeof(Mpi2EventDataSasDeviceStatusChange_t);
4562 event_reply = kzalloc(sz, GFP_KERNEL);
4563 if (!event_reply) {
4564 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4565 ioc->name, __FILE__, __LINE__, __func__);
d1cb5e49 4566 goto out;
f92363d1
SR		 4567 }
4568
4569 event_reply->Function = MPI2_FUNCTION_EVENT_NOTIFICATION;
4570 event_reply->Event =
4571 cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE);
4572 event_reply->MsgLength = sz/4;
4573 event_reply->EventDataLength =
4574 cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t)/4);
4575 event_data = (Mpi2EventDataSasDeviceStatusChange_t *)
4576 event_reply->EventData;
4577 event_data->ReasonCode = MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA;
4578 event_data->ASC = 0x5D;
4579 event_data->DevHandle = cpu_to_le16(handle);
4580 event_data->SASAddress = cpu_to_le64(sas_target_priv_data->sas_address);
4581 mpt3sas_ctl_add_to_event_log(ioc, event_reply);
4582 kfree(event_reply);
d1cb5e49
SR		 4583out:
4584 if (sas_device)
4585 sas_device_put(sas_device);
4586 return;
4587
4588out_unlock:
4589 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4590 goto out;
f92363d1
SR		 4591}
4592
4593/**
4594 * _scsih_io_done - scsi request callback
4595 * @ioc: per adapter object
4596 * @smid: system request message index
4597 * @msix_index: MSIX table index supplied by the OS
4598 * @reply: reply message frame(lower 32bit addr)
4599 *
4600 * Callback handler when using _scsih_qcmd.
4601 *
4602 * Return 1 meaning mf should be freed from _base_interrupt
4603 * 0 means the mf is freed from this function.
4604 */
4605static u8
4606_scsih_io_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
4607{
4608 Mpi2SCSIIORequest_t *mpi_request;
4609 Mpi2SCSIIOReply_t *mpi_reply;
4610 struct scsi_cmnd *scmd;
4611 u16 ioc_status;
4612 u32 xfer_cnt;
4613 u8 scsi_state;
4614 u8 scsi_status;
4615 u32 log_info;
4616 struct MPT3SAS_DEVICE *sas_device_priv_data;
4617 u32 response_code = 0;
7786ab6a 4618 unsigned long flags;
f92363d1
SR		 4619
4620 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
4621 scmd = _scsih_scsi_lookup_get_clear(ioc, smid);
4622 if (scmd == NULL)
4623 return 1;
4624
4625 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
4626
4627 if (mpi_reply == NULL) {
4628 scmd->result = DID_OK << 16;
4629 goto out;
4630 }
4631
4632 sas_device_priv_data = scmd->device->hostdata;
4633 if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
4634 sas_device_priv_data->sas_target->deleted) {
4635 scmd->result = DID_NO_CONNECT << 16;
4636 goto out;
4637 }
4638 ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
4639
7786ab6a
SR		 4640 /*
4641 * WARPDRIVE: If direct_io is set then it is directIO,
4642 * the failed direct I/O should be redirected to volume
4643 */
c84b06a4 4644 if (mpt3sas_scsi_direct_io_get(ioc, smid) &&
7786ab6a
SR		 4645 ((ioc_status & MPI2_IOCSTATUS_MASK)
4646 != MPI2_IOCSTATUS_SCSI_TASK_TERMINATED)) {
4647 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
4648 ioc->scsi_lookup[smid - 1].scmd = scmd;
4649 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
c84b06a4 4650 mpt3sas_scsi_direct_io_set(ioc, smid, 0);
7786ab6a
SR		 4651 memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len);
4652 mpi_request->DevHandle =
4653 cpu_to_le16(sas_device_priv_data->sas_target->handle);
4654 mpt3sas_base_put_smid_scsi_io(ioc, smid,
4655 sas_device_priv_data->sas_target->handle);
4656 return 0;
4657 }
f92363d1
SR		 4658 /* turning off TLR */
4659 scsi_state = mpi_reply->SCSIState;
4660 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
4661 response_code =
4662 le32_to_cpu(mpi_reply->ResponseInfo) & 0xFF;
4663 if (!sas_device_priv_data->tlr_snoop_check) {
4664 sas_device_priv_data->tlr_snoop_check++;
7786ab6a
SR		 4665 if (!ioc->is_warpdrive &&
4666 !scsih_is_raid(&scmd->device->sdev_gendev) &&
c84b06a4
SR		 4667 sas_is_tlr_enabled(scmd->device) &&
4668 response_code == MPI2_SCSITASKMGMT_RSP_INVALID_FRAME) {
4669 sas_disable_tlr(scmd->device);
4670 sdev_printk(KERN_INFO, scmd->device, "TLR disabled\n");
4671 }
f92363d1
SR		 4672 }
4673
4674 xfer_cnt = le32_to_cpu(mpi_reply->TransferCount);
4675 scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt);
4676 if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
4677 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
4678 else
4679 log_info = 0;
4680 ioc_status &= MPI2_IOCSTATUS_MASK;
4681 scsi_status = mpi_reply->SCSIStatus;
4682
4683 if (ioc_status == MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
4684 (scsi_status == MPI2_SCSI_STATUS_BUSY ||
4685 scsi_status == MPI2_SCSI_STATUS_RESERVATION_CONFLICT ||
4686 scsi_status == MPI2_SCSI_STATUS_TASK_SET_FULL)) {
4687 ioc_status = MPI2_IOCSTATUS_SUCCESS;
4688 }
4689
4690 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
4691 struct sense_info data;
4692 const void *sense_data = mpt3sas_base_get_sense_buffer(ioc,
4693 smid);
4694 u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE,
4695 le32_to_cpu(mpi_reply->SenseCount));
4696 memcpy(scmd->sense_buffer, sense_data, sz);
4697 _scsih_normalize_sense(scmd->sense_buffer, &data);
4698 /* failure prediction threshold exceeded */
4699 if (data.asc == 0x5D)
4700 _scsih_smart_predicted_fault(ioc,
4701 le16_to_cpu(mpi_reply->DevHandle));
4702 mpt3sas_trigger_scsi(ioc, data.skey, data.asc, data.ascq);
f92363d1 4703
e6d45e3e
SR		 4704 if (!(ioc->logging_level & MPT_DEBUG_REPLY) &&
4705 ((scmd->sense_buffer[2] == UNIT_ATTENTION) ||
4706 (scmd->sense_buffer[2] == MEDIUM_ERROR) ||
4707 (scmd->sense_buffer[2] == HARDWARE_ERROR)))
4708 _scsih_scsi_ioc_info(ioc, scmd, mpi_reply, smid);
e6d45e3e 4709 }
f92363d1
SR		 4710 switch (ioc_status) {
4711 case MPI2_IOCSTATUS_BUSY:
4712 case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES:
4713 scmd->result = SAM_STAT_BUSY;
4714 break;
4715
4716 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
4717 scmd->result = DID_NO_CONNECT << 16;
4718 break;
4719
4720 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
4721 if (sas_device_priv_data->block) {
4722 scmd->result = DID_TRANSPORT_DISRUPTED << 16;
4723 goto out;
4724 }
4725 if (log_info == 0x31110630) {
4726 if (scmd->retries > 2) {
4727 scmd->result = DID_NO_CONNECT << 16;
4728 scsi_device_set_state(scmd->device,
4729 SDEV_OFFLINE);
4730 } else {
4731 scmd->result = DID_SOFT_ERROR << 16;
4732 scmd->device->expecting_cc_ua = 1;
4733 }
4734 break;
3898f08e
SR		 4735 } else if (log_info == VIRTUAL_IO_FAILED_RETRY) {
4736 scmd->result = DID_RESET << 16;
4737 break;
f92363d1
SR		 4738 }
4739 scmd->result = DID_SOFT_ERROR << 16;
4740 break;
4741 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
4742 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
4743 scmd->result = DID_RESET << 16;
4744 break;
4745
4746 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
4747 if ((xfer_cnt == 0) || (scmd->underflow > xfer_cnt))
4748 scmd->result = DID_SOFT_ERROR << 16;
4749 else
4750 scmd->result = (DID_OK << 16) | scsi_status;
4751 break;
4752
4753 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
4754 scmd->result = (DID_OK << 16) | scsi_status;
4755
4756 if ((scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID))
4757 break;
4758
4759 if (xfer_cnt < scmd->underflow) {
4760 if (scsi_status == SAM_STAT_BUSY)
4761 scmd->result = SAM_STAT_BUSY;
4762 else
4763 scmd->result = DID_SOFT_ERROR << 16;
4764 } else if (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
4765 MPI2_SCSI_STATE_NO_SCSI_STATUS))
4766 scmd->result = DID_SOFT_ERROR << 16;
4767 else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
4768 scmd->result = DID_RESET << 16;
4769 else if (!xfer_cnt && scmd->cmnd[0] == REPORT_LUNS) {
4770 mpi_reply->SCSIState = MPI2_SCSI_STATE_AUTOSENSE_VALID;
4771 mpi_reply->SCSIStatus = SAM_STAT_CHECK_CONDITION;
4772 scmd->result = (DRIVER_SENSE << 24) |
4773 SAM_STAT_CHECK_CONDITION;
4774 scmd->sense_buffer[0] = 0x70;
4775 scmd->sense_buffer[2] = ILLEGAL_REQUEST;
4776 scmd->sense_buffer[12] = 0x20;
4777 scmd->sense_buffer[13] = 0;
4778 }
4779 break;
4780
4781 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
4782 scsi_set_resid(scmd, 0);
4783 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
4784 case MPI2_IOCSTATUS_SUCCESS:
4785 scmd->result = (DID_OK << 16) | scsi_status;
4786 if (response_code ==
4787 MPI2_SCSITASKMGMT_RSP_INVALID_FRAME ||
4788 (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
4789 MPI2_SCSI_STATE_NO_SCSI_STATUS)))
4790 scmd->result = DID_SOFT_ERROR << 16;
4791 else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
4792 scmd->result = DID_RESET << 16;
4793 break;
4794
4795 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
4796 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
4797 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
4798 _scsih_eedp_error_handling(scmd, ioc_status);
4799 break;
4800
4801 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
4802 case MPI2_IOCSTATUS_INVALID_FUNCTION:
4803 case MPI2_IOCSTATUS_INVALID_SGL:
4804 case MPI2_IOCSTATUS_INTERNAL_ERROR:
4805 case MPI2_IOCSTATUS_INVALID_FIELD:
4806 case MPI2_IOCSTATUS_INVALID_STATE:
4807 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
4808 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
b130b0d5 4809 case MPI2_IOCSTATUS_INSUFFICIENT_POWER:
f92363d1
SR		 4810 default:
4811 scmd->result = DID_SOFT_ERROR << 16;
4812 break;
4813
4814 }
4815
f92363d1
SR		 4816 if (scmd->result && (ioc->logging_level & MPT_DEBUG_REPLY))
4817 _scsih_scsi_ioc_info(ioc , scmd, mpi_reply, smid);
f92363d1
SR		 4818
4819 out:
4820
4821 scsi_dma_unmap(scmd);
4822
4823 scmd->scsi_done(scmd);
4824 return 1;
4825}
4826
4827/**
4828 * _scsih_sas_host_refresh - refreshing sas host object contents
4829 * @ioc: per adapter object
4830 * Context: user
4831 *
4832 * During port enable, fw will send topology events for every device. Its
4833 * possible that the handles may change from the previous setting, so this
4834 * code keeping handles updating if changed.
4835 *
4836 * Return nothing.
4837 */
4838static void
4839_scsih_sas_host_refresh(struct MPT3SAS_ADAPTER *ioc)
4840{
4841 u16 sz;
4842 u16 ioc_status;
4843 int i;
4844 Mpi2ConfigReply_t mpi_reply;
4845 Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
4846 u16 attached_handle;
4847 u8 link_rate;
4848
4849 dtmprintk(ioc, pr_info(MPT3SAS_FMT
4850 "updating handles for sas_host(0x%016llx)\n",
4851 ioc->name, (unsigned long long)ioc->sas_hba.sas_address));
4852
4853 sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys
4854 * sizeof(Mpi2SasIOUnit0PhyData_t));
4855 sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
4856 if (!sas_iounit_pg0) {
4857 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4858 ioc->name, __FILE__, __LINE__, __func__);
4859 return;
4860 }
4861
4862 if ((mpt3sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
4863 sas_iounit_pg0, sz)) != 0)
4864 goto out;
4865 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
4866 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
4867 goto out;
4868 for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
4869 link_rate = sas_iounit_pg0->PhyData[i].NegotiatedLinkRate >> 4;
4870 if (i == 0)
4871 ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0->
4872 PhyData[0].ControllerDevHandle);
4873 ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
4874 attached_handle = le16_to_cpu(sas_iounit_pg0->PhyData[i].
4875 AttachedDevHandle);
4876 if (attached_handle && link_rate < MPI2_SAS_NEG_LINK_RATE_1_5)
4877 link_rate = MPI2_SAS_NEG_LINK_RATE_1_5;
4878 mpt3sas_transport_update_links(ioc, ioc->sas_hba.sas_address,
4879 attached_handle, i, link_rate);
4880 }
4881 out:
4882 kfree(sas_iounit_pg0);
4883}
4884
4885/**
4886 * _scsih_sas_host_add - create sas host object
4887 * @ioc: per adapter object
4888 *
4889 * Creating host side data object, stored in ioc->sas_hba
4890 *
4891 * Return nothing.
4892 */
4893static void
4894_scsih_sas_host_add(struct MPT3SAS_ADAPTER *ioc)
4895{
4896 int i;
4897 Mpi2ConfigReply_t mpi_reply;
4898 Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
4899 Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
4900 Mpi2SasPhyPage0_t phy_pg0;
4901 Mpi2SasDevicePage0_t sas_device_pg0;
4902 Mpi2SasEnclosurePage0_t enclosure_pg0;
4903 u16 ioc_status;
4904 u16 sz;
4905 u8 device_missing_delay;
4906
4907 mpt3sas_config_get_number_hba_phys(ioc, &ioc->sas_hba.num_phys);
4908 if (!ioc->sas_hba.num_phys) {
4909 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4910 ioc->name, __FILE__, __LINE__, __func__);
4911 return;
4912 }
4913
4914 /* sas_iounit page 0 */
4915 sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys *
4916 sizeof(Mpi2SasIOUnit0PhyData_t));
4917 sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
4918 if (!sas_iounit_pg0) {
4919 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4920 ioc->name, __FILE__, __LINE__, __func__);
4921 return;
4922 }
4923 if ((mpt3sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
4924 sas_iounit_pg0, sz))) {
4925 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4926 ioc->name, __FILE__, __LINE__, __func__);
4927 goto out;
4928 }
4929 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
4930 MPI2_IOCSTATUS_MASK;
4931 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
4932 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4933 ioc->name, __FILE__, __LINE__, __func__);
4934 goto out;
4935 }
4936
4937 /* sas_iounit page 1 */
4938 sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys *
4939 sizeof(Mpi2SasIOUnit1PhyData_t));
4940 sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
4941 if (!sas_iounit_pg1) {
4942 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4943 ioc->name, __FILE__, __LINE__, __func__);
4944 goto out;
4945 }
4946 if ((mpt3sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
4947 sas_iounit_pg1, sz))) {
4948 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4949 ioc->name, __FILE__, __LINE__, __func__);
4950 goto out;
4951 }
4952 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
4953 MPI2_IOCSTATUS_MASK;
4954 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
4955 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4956 ioc->name, __FILE__, __LINE__, __func__);
4957 goto out;
4958 }
4959
4960 ioc->io_missing_delay =
4961 sas_iounit_pg1->IODeviceMissingDelay;
4962 device_missing_delay =
4963 sas_iounit_pg1->ReportDeviceMissingDelay;
4964 if (device_missing_delay & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
4965 ioc->device_missing_delay = (device_missing_delay &
4966 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
4967 else
4968 ioc->device_missing_delay = device_missing_delay &
4969 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
4970
4971 ioc->sas_hba.parent_dev = &ioc->shost->shost_gendev;
4972 ioc->sas_hba.phy = kcalloc(ioc->sas_hba.num_phys,
4973 sizeof(struct _sas_phy), GFP_KERNEL);
4974 if (!ioc->sas_hba.phy) {
4975 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4976 ioc->name, __FILE__, __LINE__, __func__);
4977 goto out;
4978 }
4979 for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
4980 if ((mpt3sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0,
4981 i))) {
4982 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4983 ioc->name, __FILE__, __LINE__, __func__);
4984 goto out;
4985 }
4986 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
4987 MPI2_IOCSTATUS_MASK;
4988 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
4989 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4990 ioc->name, __FILE__, __LINE__, __func__);
4991 goto out;
4992 }
4993
4994 if (i == 0)
4995 ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0->
4996 PhyData[0].ControllerDevHandle);
4997 ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
4998 ioc->sas_hba.phy[i].phy_id = i;
4999 mpt3sas_transport_add_host_phy(ioc, &ioc->sas_hba.phy[i],
5000 phy_pg0, ioc->sas_hba.parent_dev);
5001 }
5002 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
5003 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, ioc->sas_hba.handle))) {
5004 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5005 ioc->name, __FILE__, __LINE__, __func__);
5006 goto out;
5007 }
5008 ioc->sas_hba.enclosure_handle =
5009 le16_to_cpu(sas_device_pg0.EnclosureHandle);
5010 ioc->sas_hba.sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
5011 pr_info(MPT3SAS_FMT
5012 "host_add: handle(0x%04x), sas_addr(0x%016llx), phys(%d)\n",
5013 ioc->name, ioc->sas_hba.handle,
5014 (unsigned long long) ioc->sas_hba.sas_address,
5015 ioc->sas_hba.num_phys) ;
5016
5017 if (ioc->sas_hba.enclosure_handle) {
5018 if (!(mpt3sas_config_get_enclosure_pg0(ioc, &mpi_reply,
5019 &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
5020 ioc->sas_hba.enclosure_handle)))
5021 ioc->sas_hba.enclosure_logical_id =
5022 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
5023 }
5024
5025 out:
5026 kfree(sas_iounit_pg1);
5027 kfree(sas_iounit_pg0);
5028}
5029
5030/**
5031 * _scsih_expander_add - creating expander object
5032 * @ioc: per adapter object
5033 * @handle: expander handle
5034 *
5035 * Creating expander object, stored in ioc->sas_expander_list.
5036 *
5037 * Return 0 for success, else error.
5038 */
5039static int
5040_scsih_expander_add(struct MPT3SAS_ADAPTER *ioc, u16 handle)
5041{
5042 struct _sas_node *sas_expander;
5043 Mpi2ConfigReply_t mpi_reply;
5044 Mpi2ExpanderPage0_t expander_pg0;
5045 Mpi2ExpanderPage1_t expander_pg1;
5046 Mpi2SasEnclosurePage0_t enclosure_pg0;
5047 u32 ioc_status;
5048 u16 parent_handle;
5049 u64 sas_address, sas_address_parent = 0;
5050 int i;
5051 unsigned long flags;
5052 struct _sas_port *mpt3sas_port = NULL;
5053
5054 int rc = 0;
5055
5056 if (!handle)
5057 return -1;
5058
5059 if (ioc->shost_recovery || ioc->pci_error_recovery)
5060 return -1;
5061
5062 if ((mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
5063 MPI2_SAS_EXPAND_PGAD_FORM_HNDL, handle))) {
5064 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5065 ioc->name, __FILE__, __LINE__, __func__);
5066 return -1;
5067 }
5068
5069 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
5070 MPI2_IOCSTATUS_MASK;
5071 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
5072 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5073 ioc->name, __FILE__, __LINE__, __func__);
5074 return -1;
5075 }
5076
5077 /* handle out of order topology events */
5078 parent_handle = le16_to_cpu(expander_pg0.ParentDevHandle);
5079 if (_scsih_get_sas_address(ioc, parent_handle, &sas_address_parent)
5080 != 0) {
5081 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5082 ioc->name, __FILE__, __LINE__, __func__);
5083 return -1;
5084 }
5085 if (sas_address_parent != ioc->sas_hba.sas_address) {
5086 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5087 sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc,
5088 sas_address_parent);
5089 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5090 if (!sas_expander) {
5091 rc = _scsih_expander_add(ioc, parent_handle);
5092 if (rc != 0)
5093 return rc;
5094 }
5095 }
5096
5097 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5098 sas_address = le64_to_cpu(expander_pg0.SASAddress);
5099 sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc,
5100 sas_address);
5101 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5102
5103 if (sas_expander)
5104 return 0;
5105
5106 sas_expander = kzalloc(sizeof(struct _sas_node),
5107 GFP_KERNEL);
5108 if (!sas_expander) {
5109 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5110 ioc->name, __FILE__, __LINE__, __func__);
5111 return -1;
5112 }
5113
5114 sas_expander->handle = handle;
5115 sas_expander->num_phys = expander_pg0.NumPhys;
5116 sas_expander->sas_address_parent = sas_address_parent;
5117 sas_expander->sas_address = sas_address;
5118
5119 pr_info(MPT3SAS_FMT "expander_add: handle(0x%04x)," \
5120 " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc->name,
5121 handle, parent_handle, (unsigned long long)
5122 sas_expander->sas_address, sas_expander->num_phys);
5123
5124 if (!sas_expander->num_phys)
5125 goto out_fail;
5126 sas_expander->phy = kcalloc(sas_expander->num_phys,
5127 sizeof(struct _sas_phy), GFP_KERNEL);
5128 if (!sas_expander->phy) {
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
5135 INIT_LIST_HEAD(&sas_expander->sas_port_list);
5136 mpt3sas_port = mpt3sas_transport_port_add(ioc, handle,
5137 sas_address_parent);
5138 if (!mpt3sas_port) {
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->parent_dev = &mpt3sas_port->rphy->dev;
5145
5146 for (i = 0 ; i < sas_expander->num_phys ; i++) {
5147 if ((mpt3sas_config_get_expander_pg1(ioc, &mpi_reply,
5148 &expander_pg1, i, handle))) {
5149 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5150 ioc->name, __FILE__, __LINE__, __func__);
5151 rc = -1;
5152 goto out_fail;
5153 }
5154 sas_expander->phy[i].handle = handle;
5155 sas_expander->phy[i].phy_id = i;
5156
5157 if ((mpt3sas_transport_add_expander_phy(ioc,
5158 &sas_expander->phy[i], expander_pg1,
5159 sas_expander->parent_dev))) {
5160 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5161 ioc->name, __FILE__, __LINE__, __func__);
5162 rc = -1;
5163 goto out_fail;
5164 }
5165 }
5166
5167 if (sas_expander->enclosure_handle) {
5168 if (!(mpt3sas_config_get_enclosure_pg0(ioc, &mpi_reply,
5169 &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
5170 sas_expander->enclosure_handle)))
5171 sas_expander->enclosure_logical_id =
5172 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
5173 }
5174
5175 _scsih_expander_node_add(ioc, sas_expander);
5176 return 0;
5177
5178 out_fail:
5179
5180 if (mpt3sas_port)
5181 mpt3sas_transport_port_remove(ioc, sas_expander->sas_address,
5182 sas_address_parent);
5183 kfree(sas_expander);
5184 return rc;
5185}
5186
5187/**
5188 * mpt3sas_expander_remove - removing expander object
5189 * @ioc: per adapter object
5190 * @sas_address: expander sas_address
5191 *
5192 * Return nothing.
5193 */
5194void
5195mpt3sas_expander_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address)
5196{
5197 struct _sas_node *sas_expander;
5198 unsigned long flags;
5199
5200 if (ioc->shost_recovery)
5201 return;
5202
5203 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5204 sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc,
5205 sas_address);
5206 if (sas_expander)
5207 list_del(&sas_expander->list);
5208 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5209 if (sas_expander)
5210 _scsih_expander_node_remove(ioc, sas_expander);
5211}
5212
5213/**
5214 * _scsih_done - internal SCSI_IO callback handler.
5215 * @ioc: per adapter object
5216 * @smid: system request message index
5217 * @msix_index: MSIX table index supplied by the OS
5218 * @reply: reply message frame(lower 32bit addr)
5219 *
5220 * Callback handler when sending internal generated SCSI_IO.
5221 * The callback index passed is `ioc->scsih_cb_idx`
5222 *
5223 * Return 1 meaning mf should be freed from _base_interrupt
5224 * 0 means the mf is freed from this function.
5225 */
5226static u8
5227_scsih_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
5228{
5229 MPI2DefaultReply_t *mpi_reply;
5230
5231 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
5232 if (ioc->scsih_cmds.status == MPT3_CMD_NOT_USED)
5233 return 1;
5234 if (ioc->scsih_cmds.smid != smid)
5235 return 1;
5236 ioc->scsih_cmds.status |= MPT3_CMD_COMPLETE;
5237 if (mpi_reply) {
5238 memcpy(ioc->scsih_cmds.reply, mpi_reply,
5239 mpi_reply->MsgLength*4);
5240 ioc->scsih_cmds.status |= MPT3_CMD_REPLY_VALID;
5241 }
5242 ioc->scsih_cmds.status &= ~MPT3_CMD_PENDING;
5243 complete(&ioc->scsih_cmds.done);
5244 return 1;
5245}
5246
5247
5248
5249
5250#define MPT3_MAX_LUNS (255)
5251
5252
5253/**
5254 * _scsih_check_access_status - check access flags
5255 * @ioc: per adapter object
5256 * @sas_address: sas address
5257 * @handle: sas device handle
5258 * @access_flags: errors returned during discovery of the device
5259 *
5260 * Return 0 for success, else failure
5261 */
5262static u8
5263_scsih_check_access_status(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
5264 u16 handle, u8 access_status)
5265{
5266 u8 rc = 1;
5267 char *desc = NULL;
5268
5269 switch (access_status) {
5270 case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS:
5271 case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION:
5272 rc = 0;
5273 break;
5274 case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED:
5275 desc = "sata capability failed";
5276 break;
5277 case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT:
5278 desc = "sata affiliation conflict";
5279 break;
5280 case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE:
5281 desc = "route not addressable";
5282 break;
5283 case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE:
5284 desc = "smp error not addressable";
5285 break;
5286 case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED:
5287 desc = "device blocked";
5288 break;
5289 case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED:
5290 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN:
5291 case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT:
5292 case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG:
5293 case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION:
5294 case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER:
5295 case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN:
5296 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN:
5297 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN:
5298 case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION:
5299 case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE:
5300 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX:
5301 desc = "sata initialization failed";
5302 break;
5303 default:
5304 desc = "unknown";
5305 break;
5306 }
5307
5308 if (!rc)
5309 return 0;
5310
5311 pr_err(MPT3SAS_FMT
5312 "discovery errors(%s): sas_address(0x%016llx), handle(0x%04x)\n",
5313 ioc->name, desc, (unsigned long long)sas_address, handle);
5314 return rc;
5315}
5316
5317/**
5318 * _scsih_check_device - checking device responsiveness
5319 * @ioc: per adapter object
5320 * @parent_sas_address: sas address of parent expander or sas host
5321 * @handle: attached device handle
5322 * @phy_numberv: phy number
5323 * @link_rate: new link rate
5324 *
5325 * Returns nothing.
5326 */
5327static void
5328_scsih_check_device(struct MPT3SAS_ADAPTER *ioc,
5329 u64 parent_sas_address, u16 handle, u8 phy_number, u8 link_rate)
5330{
5331 Mpi2ConfigReply_t mpi_reply;
5332 Mpi2SasDevicePage0_t sas_device_pg0;
5333 struct _sas_device *sas_device;
5334 u32 ioc_status;
5335 unsigned long flags;
5336 u64 sas_address;
5337 struct scsi_target *starget;
5338 struct MPT3SAS_TARGET *sas_target_priv_data;
5339 u32 device_info;
5340
5341
5342 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
5343 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle)))
5344 return;
5345
5346 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
5347 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
5348 return;
5349
5350 /* wide port handling ~ we need only handle device once for the phy that
5351 * is matched in sas device page zero
5352 */
5353 if (phy_number != sas_device_pg0.PhyNum)
5354 return;
5355
5356 /* check if this is end device */
5357 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
5358 if (!(_scsih_is_end_device(device_info)))
5359 return;
5360
5361 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5362 sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
d1cb5e49 5363 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
f92363d1
SR		 5364 sas_address);
5365
d1cb5e49
SR		 5366 if (!sas_device)
5367 goto out_unlock;
f92363d1
SR		 5368
5369 if (unlikely(sas_device->handle != handle)) {
5370 starget = sas_device->starget;
5371 sas_target_priv_data = starget->hostdata;
5372 starget_printk(KERN_INFO, starget,
5373 "handle changed from(0x%04x) to (0x%04x)!!!\n",
5374 sas_device->handle, handle);
5375 sas_target_priv_data->handle = handle;
5376 sas_device->handle = handle;
e6d45e3e
SR		 5377 if (sas_device_pg0.Flags &
5378 MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
5379 sas_device->enclosure_level =
5380 le16_to_cpu(sas_device_pg0.EnclosureLevel);
5381 memcpy(&sas_device->connector_name[0],
5382 &sas_device_pg0.ConnectorName[0], 4);
5383 } else {
5384 sas_device->enclosure_level = 0;
5385 sas_device->connector_name[0] = '\0';
5386 }
f92363d1
SR		 5387 }
5388
5389 /* check if device is present */
5390 if (!(le16_to_cpu(sas_device_pg0.Flags) &
5391 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
5392 pr_err(MPT3SAS_FMT
5393 "device is not present handle(0x%04x), flags!!!\n",
5394 ioc->name, handle);
d1cb5e49 5395 goto out_unlock;
f92363d1
SR		 5396 }
5397
5398 /* check if there were any issues with discovery */
5399 if (_scsih_check_access_status(ioc, sas_address, handle,
d1cb5e49
SR		 5400 sas_device_pg0.AccessStatus))
5401 goto out_unlock;
f92363d1
SR		 5402
5403 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5404 _scsih_ublock_io_device(ioc, sas_address);
5405
d1cb5e49
SR		 5406 if (sas_device)
5407 sas_device_put(sas_device);
5408 return;
5409
5410out_unlock:
5411 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5412 if (sas_device)
5413 sas_device_put(sas_device);
f92363d1
SR		 5414}
5415
5416/**
5417 * _scsih_add_device - creating sas device object
5418 * @ioc: per adapter object
5419 * @handle: sas device handle
5420 * @phy_num: phy number end device attached to
5421 * @is_pd: is this hidden raid component
5422 *
5423 * Creating end device object, stored in ioc->sas_device_list.
5424 *
5425 * Returns 0 for success, non-zero for failure.
5426 */
5427static int
5428_scsih_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phy_num,
5429 u8 is_pd)
5430{
5431 Mpi2ConfigReply_t mpi_reply;
5432 Mpi2SasDevicePage0_t sas_device_pg0;
5433 Mpi2SasEnclosurePage0_t enclosure_pg0;
5434 struct _sas_device *sas_device;
5435 u32 ioc_status;
5436 u64 sas_address;
5437 u32 device_info;
f92363d1
SR		 5438
5439 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
5440 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
5441 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5442 ioc->name, __FILE__, __LINE__, __func__);
5443 return -1;
5444 }
5445
5446 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
5447 MPI2_IOCSTATUS_MASK;
5448 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
5449 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5450 ioc->name, __FILE__, __LINE__, __func__);
5451 return -1;
5452 }
5453
5454 /* check if this is end device */
5455 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
5456 if (!(_scsih_is_end_device(device_info)))
5457 return -1;
5458 sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
5459
5460 /* check if device is present */
5461 if (!(le16_to_cpu(sas_device_pg0.Flags) &
5462 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
5463 pr_err(MPT3SAS_FMT "device is not present handle(0x04%x)!!!\n",
5464 ioc->name, handle);
5465 return -1;
5466 }
5467
5468 /* check if there were any issues with discovery */
5469 if (_scsih_check_access_status(ioc, sas_address, handle,
5470 sas_device_pg0.AccessStatus))
5471 return -1;
5472
d1cb5e49
SR		 5473 sas_device = mpt3sas_get_sdev_by_addr(ioc,
5474 sas_address);
5475 if (sas_device) {
5476 sas_device_put(sas_device);
f92363d1 5477 return -1;
d1cb5e49 5478 }
f92363d1
SR		 5479
5480 sas_device = kzalloc(sizeof(struct _sas_device),
5481 GFP_KERNEL);
5482 if (!sas_device) {
5483 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5484 ioc->name, __FILE__, __LINE__, __func__);
5485 return 0;
5486 }
5487
d1cb5e49 5488 kref_init(&sas_device->refcount);
f92363d1
SR		 5489 sas_device->handle = handle;
5490 if (_scsih_get_sas_address(ioc,
5491 le16_to_cpu(sas_device_pg0.ParentDevHandle),
5492 &sas_device->sas_address_parent) != 0)
5493 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5494 ioc->name, __FILE__, __LINE__, __func__);
5495 sas_device->enclosure_handle =
5496 le16_to_cpu(sas_device_pg0.EnclosureHandle);
e6d45e3e
SR		 5497 if (sas_device->enclosure_handle != 0)
5498 sas_device->slot =
5499 le16_to_cpu(sas_device_pg0.Slot);
f92363d1
SR		 5500 sas_device->device_info = device_info;
5501 sas_device->sas_address = sas_address;
5502 sas_device->phy = sas_device_pg0.PhyNum;
5503 sas_device->fast_path = (le16_to_cpu(sas_device_pg0.Flags) &
5504 MPI25_SAS_DEVICE0_FLAGS_FAST_PATH_CAPABLE) ? 1 : 0;
5505
e6d45e3e
SR		 5506 if (sas_device_pg0.Flags & MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
5507 sas_device->enclosure_level =
5508 le16_to_cpu(sas_device_pg0.EnclosureLevel);
5509 memcpy(&sas_device->connector_name[0],
5510 &sas_device_pg0.ConnectorName[0], 4);
5511 } else {
5512 sas_device->enclosure_level = 0;
5513 sas_device->connector_name[0] = '\0';
5514 }
f92363d1
SR		 5515 /* get enclosure_logical_id */
5516 if (sas_device->enclosure_handle && !(mpt3sas_config_get_enclosure_pg0(
5517 ioc, &mpi_reply, &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
5518 sas_device->enclosure_handle)))
5519 sas_device->enclosure_logical_id =
5520 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
5521
5522 /* get device name */
5523 sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName);
5524
5525 if (ioc->wait_for_discovery_to_complete)
5526 _scsih_sas_device_init_add(ioc, sas_device);
5527 else
5528 _scsih_sas_device_add(ioc, sas_device);
5529
d1cb5e49 5530 sas_device_put(sas_device);
f92363d1
SR		 5531 return 0;
5532}
5533
5534/**
5535 * _scsih_remove_device - removing sas device object
5536 * @ioc: per adapter object
5537 * @sas_device_delete: the sas_device object
5538 *
5539 * Return nothing.
5540 */
5541static void
5542_scsih_remove_device(struct MPT3SAS_ADAPTER *ioc,
5543 struct _sas_device *sas_device)
5544{
5545 struct MPT3SAS_TARGET *sas_target_priv_data;
5546
0f624c39
SR		 5547 if ((ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) &&
5548 (sas_device->pfa_led_on)) {
5549 _scsih_turn_off_pfa_led(ioc, sas_device);
5550 sas_device->pfa_led_on = 0;
5551 }
f92363d1
SR		 5552 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5553 "%s: enter: handle(0x%04x), sas_addr(0x%016llx)\n",
5554 ioc->name, __func__,
5555 sas_device->handle, (unsigned long long)
5556 sas_device->sas_address));
e6d45e3e
SR		 5557 if (sas_device->enclosure_handle != 0)
5558 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5559 "%s: enter: enclosure logical id(0x%016llx), slot(%d)\n",
5560 ioc->name, __func__,
5561 (unsigned long long)sas_device->enclosure_logical_id,
5562 sas_device->slot));
5563 if (sas_device->connector_name[0] != '\0')
5564 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5565 "%s: enter: enclosure level(0x%04x), connector name( %s)\n",
5566 ioc->name, __func__,
5567 sas_device->enclosure_level,
5568 sas_device->connector_name));
f92363d1
SR		 5569
5570 if (sas_device->starget && sas_device->starget->hostdata) {
5571 sas_target_priv_data = sas_device->starget->hostdata;
5572 sas_target_priv_data->deleted = 1;
5573 _scsih_ublock_io_device(ioc, sas_device->sas_address);
5574 sas_target_priv_data->handle =
5575 MPT3SAS_INVALID_DEVICE_HANDLE;
5576 }
7786ab6a
SR		 5577
5578 if (!ioc->hide_drives)
5579 mpt3sas_transport_port_remove(ioc,
f92363d1
SR		 5580 sas_device->sas_address,
5581 sas_device->sas_address_parent);
5582
5583 pr_info(MPT3SAS_FMT
5584 "removing handle(0x%04x), sas_addr(0x%016llx)\n",
5585 ioc->name, sas_device->handle,
5586 (unsigned long long) sas_device->sas_address);
e6d45e3e
SR		 5587 if (sas_device->enclosure_handle != 0)
5588 pr_info(MPT3SAS_FMT
5589 "removing : enclosure logical id(0x%016llx), slot(%d)\n",
5590 ioc->name,
5591 (unsigned long long)sas_device->enclosure_logical_id,
5592 sas_device->slot);
5593 if (sas_device->connector_name[0] != '\0')
5594 pr_info(MPT3SAS_FMT
5595 "removing enclosure level(0x%04x), connector name( %s)\n",
5596 ioc->name, sas_device->enclosure_level,
5597 sas_device->connector_name);
f92363d1
SR		 5598
5599 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5600 "%s: exit: handle(0x%04x), sas_addr(0x%016llx)\n",
5601 ioc->name, __func__,
e6d45e3e
SR		 5602 sas_device->handle, (unsigned long long)
5603 sas_device->sas_address));
5604 if (sas_device->enclosure_handle != 0)
5605 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5606 "%s: exit: enclosure logical id(0x%016llx), slot(%d)\n",
5607 ioc->name, __func__,
5608 (unsigned long long)sas_device->enclosure_logical_id,
5609 sas_device->slot));
5610 if (sas_device->connector_name[0] != '\0')
5611 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5612 "%s: exit: enclosure level(0x%04x), connector name(%s)\n",
5613 ioc->name, __func__, sas_device->enclosure_level,
5614 sas_device->connector_name));
f92363d1
SR		 5615}
5616
f92363d1
SR		 5617/**
5618 * _scsih_sas_topology_change_event_debug - debug for topology event
5619 * @ioc: per adapter object
5620 * @event_data: event data payload
5621 * Context: user.
5622 */
5623static void
5624_scsih_sas_topology_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
5625 Mpi2EventDataSasTopologyChangeList_t *event_data)
5626{
5627 int i;
5628 u16 handle;
5629 u16 reason_code;
5630 u8 phy_number;
5631 char *status_str = NULL;
5632 u8 link_rate, prev_link_rate;
5633
5634 switch (event_data->ExpStatus) {
5635 case MPI2_EVENT_SAS_TOPO_ES_ADDED:
5636 status_str = "add";
5637 break;
5638 case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING:
5639 status_str = "remove";
5640 break;
5641 case MPI2_EVENT_SAS_TOPO_ES_RESPONDING:
5642 case 0:
5643 status_str = "responding";
5644 break;
5645 case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING:
5646 status_str = "remove delay";
5647 break;
5648 default:
5649 status_str = "unknown status";
5650 break;
5651 }
5652 pr_info(MPT3SAS_FMT "sas topology change: (%s)\n",
5653 ioc->name, status_str);
5654 pr_info("\thandle(0x%04x), enclosure_handle(0x%04x) " \
5655 "start_phy(%02d), count(%d)\n",
5656 le16_to_cpu(event_data->ExpanderDevHandle),
5657 le16_to_cpu(event_data->EnclosureHandle),
5658 event_data->StartPhyNum, event_data->NumEntries);
5659 for (i = 0; i < event_data->NumEntries; i++) {
5660 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
5661 if (!handle)
5662 continue;
5663 phy_number = event_data->StartPhyNum + i;
5664 reason_code = event_data->PHY[i].PhyStatus &
5665 MPI2_EVENT_SAS_TOPO_RC_MASK;
5666 switch (reason_code) {
5667 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
5668 status_str = "target add";
5669 break;
5670 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
5671 status_str = "target remove";
5672 break;
5673 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
5674 status_str = "delay target remove";
5675 break;
5676 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
5677 status_str = "link rate change";
5678 break;
5679 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
5680 status_str = "target responding";
5681 break;
5682 default:
5683 status_str = "unknown";
5684 break;
5685 }
5686 link_rate = event_data->PHY[i].LinkRate >> 4;
5687 prev_link_rate = event_data->PHY[i].LinkRate & 0xF;
5688 pr_info("\tphy(%02d), attached_handle(0x%04x): %s:" \
5689 " link rate: new(0x%02x), old(0x%02x)\n", phy_number,
5690 handle, status_str, link_rate, prev_link_rate);
5691
5692 }
5693}
f92363d1
SR		 5694
5695/**
5696 * _scsih_sas_topology_change_event - handle topology changes
5697 * @ioc: per adapter object
5698 * @fw_event: The fw_event_work object
5699 * Context: user.
5700 *
5701 */
5702static int
5703_scsih_sas_topology_change_event(struct MPT3SAS_ADAPTER *ioc,
5704 struct fw_event_work *fw_event)
5705{
5706 int i;
5707 u16 parent_handle, handle;
5708 u16 reason_code;
5709 u8 phy_number, max_phys;
5710 struct _sas_node *sas_expander;
5711 u64 sas_address;
5712 unsigned long flags;
5713 u8 link_rate, prev_link_rate;
35b62362
JL		 5714 Mpi2EventDataSasTopologyChangeList_t *event_data =
5715 (Mpi2EventDataSasTopologyChangeList_t *)
5716 fw_event->event_data;
f92363d1 5717
f92363d1
SR		 5718 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
5719 _scsih_sas_topology_change_event_debug(ioc, event_data);
f92363d1
SR		 5720
5721 if (ioc->shost_recovery || ioc->remove_host || ioc->pci_error_recovery)
5722 return 0;
5723
5724 if (!ioc->sas_hba.num_phys)
5725 _scsih_sas_host_add(ioc);
5726 else
5727 _scsih_sas_host_refresh(ioc);
5728
5729 if (fw_event->ignore) {
5730 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5731 "ignoring expander event\n", ioc->name));
5732 return 0;
5733 }
5734
5735 parent_handle = le16_to_cpu(event_data->ExpanderDevHandle);
5736
5737 /* handle expander add */
5738 if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_ADDED)
5739 if (_scsih_expander_add(ioc, parent_handle) != 0)
5740 return 0;
5741
5742 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5743 sas_expander = mpt3sas_scsih_expander_find_by_handle(ioc,
5744 parent_handle);
5745 if (sas_expander) {
5746 sas_address = sas_expander->sas_address;
5747 max_phys = sas_expander->num_phys;
5748 } else if (parent_handle < ioc->sas_hba.num_phys) {
5749 sas_address = ioc->sas_hba.sas_address;
5750 max_phys = ioc->sas_hba.num_phys;
5751 } else {
5752 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5753 return 0;
5754 }
5755 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5756
5757 /* handle siblings events */
5758 for (i = 0; i < event_data->NumEntries; i++) {
5759 if (fw_event->ignore) {
5760 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5761 "ignoring expander event\n", ioc->name));
5762 return 0;
5763 }
5764 if (ioc->remove_host || ioc->pci_error_recovery)
5765 return 0;
5766 phy_number = event_data->StartPhyNum + i;
5767 if (phy_number >= max_phys)
5768 continue;
5769 reason_code = event_data->PHY[i].PhyStatus &
5770 MPI2_EVENT_SAS_TOPO_RC_MASK;
5771 if ((event_data->PHY[i].PhyStatus &
5772 MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) && (reason_code !=
5773 MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING))
5774 continue;
5775 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
5776 if (!handle)
5777 continue;
5778 link_rate = event_data->PHY[i].LinkRate >> 4;
5779 prev_link_rate = event_data->PHY[i].LinkRate & 0xF;
5780 switch (reason_code) {
5781 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
5782
5783 if (ioc->shost_recovery)
5784 break;
5785
5786 if (link_rate == prev_link_rate)
5787 break;
5788
5789 mpt3sas_transport_update_links(ioc, sas_address,
5790 handle, phy_number, link_rate);
5791
5792 if (link_rate < MPI2_SAS_NEG_LINK_RATE_1_5)
5793 break;
5794
5795 _scsih_check_device(ioc, sas_address, handle,
5796 phy_number, link_rate);
5797
5798
5799 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
5800
5801 if (ioc->shost_recovery)
5802 break;
5803
5804 mpt3sas_transport_update_links(ioc, sas_address,
5805 handle, phy_number, link_rate);
5806
5807 _scsih_add_device(ioc, handle, phy_number, 0);
5808
5809 break;
5810 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
5811
5812 _scsih_device_remove_by_handle(ioc, handle);
5813 break;
5814 }
5815 }
5816
5817 /* handle expander removal */
5818 if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING &&
5819 sas_expander)
5820 mpt3sas_expander_remove(ioc, sas_address);
5821
5822 return 0;
5823}
5824
f92363d1
SR		 5825/**
5826 * _scsih_sas_device_status_change_event_debug - debug for device event
5827 * @event_data: event data payload
5828 * Context: user.
5829 *
5830 * Return nothing.
5831 */
5832static void
5833_scsih_sas_device_status_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
5834 Mpi2EventDataSasDeviceStatusChange_t *event_data)
5835{
5836 char *reason_str = NULL;
5837
5838 switch (event_data->ReasonCode) {
5839 case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
5840 reason_str = "smart data";
5841 break;
5842 case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED:
5843 reason_str = "unsupported device discovered";
5844 break;
5845 case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
5846 reason_str = "internal device reset";
5847 break;
5848 case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL:
5849 reason_str = "internal task abort";
5850 break;
5851 case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL:
5852 reason_str = "internal task abort set";
5853 break;
5854 case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL:
5855 reason_str = "internal clear task set";
5856 break;
5857 case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL:
5858 reason_str = "internal query task";
5859 break;
5860 case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE:
5861 reason_str = "sata init failure";
5862 break;
5863 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET:
5864 reason_str = "internal device reset complete";
5865 break;
5866 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL:
5867 reason_str = "internal task abort complete";
5868 break;
5869 case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION:
5870 reason_str = "internal async notification";
5871 break;
5872 case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY:
5873 reason_str = "expander reduced functionality";
5874 break;
5875 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY:
5876 reason_str = "expander reduced functionality complete";
5877 break;
5878 default:
5879 reason_str = "unknown reason";
5880 break;
5881 }
5882 pr_info(MPT3SAS_FMT "device status change: (%s)\n"
5883 "\thandle(0x%04x), sas address(0x%016llx), tag(%d)",
5884 ioc->name, reason_str, le16_to_cpu(event_data->DevHandle),
5885 (unsigned long long)le64_to_cpu(event_data->SASAddress),
5886 le16_to_cpu(event_data->TaskTag));
5887 if (event_data->ReasonCode == MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA)
5888 pr_info(MPT3SAS_FMT ", ASC(0x%x), ASCQ(0x%x)\n", ioc->name,
5889 event_data->ASC, event_data->ASCQ);
5890 pr_info("\n");
5891}
f92363d1
SR		 5892
5893/**
5894 * _scsih_sas_device_status_change_event - handle device status change
5895 * @ioc: per adapter object
5896 * @fw_event: The fw_event_work object
5897 * Context: user.
5898 *
5899 * Return nothing.
5900 */
5901static void
5902_scsih_sas_device_status_change_event(struct MPT3SAS_ADAPTER *ioc,
5903 struct fw_event_work *fw_event)
5904{
5905 struct MPT3SAS_TARGET *target_priv_data;
5906 struct _sas_device *sas_device;
5907 u64 sas_address;
5908 unsigned long flags;
5909 Mpi2EventDataSasDeviceStatusChange_t *event_data =
35b62362
JL		 5910 (Mpi2EventDataSasDeviceStatusChange_t *)
5911 fw_event->event_data;
f92363d1 5912
f92363d1
SR		 5913 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
5914 _scsih_sas_device_status_change_event_debug(ioc,
5915 event_data);
f92363d1
SR		 5916
5917 /* In MPI Revision K (0xC), the internal device reset complete was
5918 * implemented, so avoid setting tm_busy flag for older firmware.
5919 */
5920 if ((ioc->facts.HeaderVersion >> 8) < 0xC)
5921 return;
5922
5923 if (event_data->ReasonCode !=
5924 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET &&
5925 event_data->ReasonCode !=
5926 MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET)
5927 return;
5928
5929 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5930 sas_address = le64_to_cpu(event_data->SASAddress);
d1cb5e49 5931 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
f92363d1
SR		 5932 sas_address);
5933
d1cb5e49
SR		 5934 if (!sas_device || !sas_device->starget)
5935 goto out;
f92363d1
SR		 5936
5937 target_priv_data = sas_device->starget->hostdata;
d1cb5e49
SR		 5938 if (!target_priv_data)
5939 goto out;
f92363d1
SR		 5940
5941 if (event_data->ReasonCode ==
5942 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET)
5943 target_priv_data->tm_busy = 1;
5944 else
5945 target_priv_data->tm_busy = 0;
d1cb5e49
SR		 5946
5947out:
5948 if (sas_device)
5949 sas_device_put(sas_device);
5950
f92363d1 5951 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
d1cb5e49 5952
f92363d1
SR		 5953}
5954
f92363d1
SR		 5955/**
5956 * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure
5957 * event
5958 * @ioc: per adapter object
5959 * @event_data: event data payload
5960 * Context: user.
5961 *
5962 * Return nothing.
5963 */
5964static void
5965_scsih_sas_enclosure_dev_status_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
5966 Mpi2EventDataSasEnclDevStatusChange_t *event_data)
5967{
5968 char *reason_str = NULL;
5969
5970 switch (event_data->ReasonCode) {
5971 case MPI2_EVENT_SAS_ENCL_RC_ADDED:
5972 reason_str = "enclosure add";
5973 break;
5974 case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING:
5975 reason_str = "enclosure remove";
5976 break;
5977 default:
5978 reason_str = "unknown reason";
5979 break;
5980 }
5981
5982 pr_info(MPT3SAS_FMT "enclosure status change: (%s)\n"
5983 "\thandle(0x%04x), enclosure logical id(0x%016llx)"
5984 " number slots(%d)\n", ioc->name, reason_str,
5985 le16_to_cpu(event_data->EnclosureHandle),
5986 (unsigned long long)le64_to_cpu(event_data->EnclosureLogicalID),
5987 le16_to_cpu(event_data->StartSlot));
5988}
f92363d1
SR		 5989
5990/**
5991 * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events
5992 * @ioc: per adapter object
5993 * @fw_event: The fw_event_work object
5994 * Context: user.
5995 *
5996 * Return nothing.
5997 */
5998static void
5999_scsih_sas_enclosure_dev_status_change_event(struct MPT3SAS_ADAPTER *ioc,
6000 struct fw_event_work *fw_event)
6001{
f92363d1
SR		 6002 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
6003 _scsih_sas_enclosure_dev_status_change_event_debug(ioc,
35b62362 6004 (Mpi2EventDataSasEnclDevStatusChange_t *)
f92363d1 6005 fw_event->event_data);
f92363d1
SR		 6006}
6007
6008/**
6009 * _scsih_sas_broadcast_primitive_event - handle broadcast events
6010 * @ioc: per adapter object
6011 * @fw_event: The fw_event_work object
6012 * Context: user.
6013 *
6014 * Return nothing.
6015 */
6016static void
6017_scsih_sas_broadcast_primitive_event(struct MPT3SAS_ADAPTER *ioc,
6018 struct fw_event_work *fw_event)
6019{
6020 struct scsi_cmnd *scmd;
6021 struct scsi_device *sdev;
6022 u16 smid, handle;
6023 u32 lun;
6024 struct MPT3SAS_DEVICE *sas_device_priv_data;
6025 u32 termination_count;
6026 u32 query_count;
6027 Mpi2SCSITaskManagementReply_t *mpi_reply;
35b62362
JL		 6028 Mpi2EventDataSasBroadcastPrimitive_t *event_data =
6029 (Mpi2EventDataSasBroadcastPrimitive_t *)
6030 fw_event->event_data;
f92363d1
SR		 6031 u16 ioc_status;
6032 unsigned long flags;
6033 int r;
6034 u8 max_retries = 0;
6035 u8 task_abort_retries;
6036
6037 mutex_lock(&ioc->tm_cmds.mutex);
6038 pr_info(MPT3SAS_FMT
6039 "%s: enter: phy number(%d), width(%d)\n",
6040 ioc->name, __func__, event_data->PhyNum,
6041 event_data->PortWidth);
6042
6043 _scsih_block_io_all_device(ioc);
6044
6045 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6046 mpi_reply = ioc->tm_cmds.reply;
6047 broadcast_aen_retry:
6048
6049 /* sanity checks for retrying this loop */
6050 if (max_retries++ == 5) {
6051 dewtprintk(ioc, pr_info(MPT3SAS_FMT "%s: giving up\n",
6052 ioc->name, __func__));
6053 goto out;
6054 } else if (max_retries > 1)
6055 dewtprintk(ioc, pr_info(MPT3SAS_FMT "%s: %d retry\n",
6056 ioc->name, __func__, max_retries - 1));
6057
6058 termination_count = 0;
6059 query_count = 0;
6060 for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
6061 if (ioc->shost_recovery)
6062 goto out;
6063 scmd = _scsih_scsi_lookup_get(ioc, smid);
6064 if (!scmd)
6065 continue;
6066 sdev = scmd->device;
6067 sas_device_priv_data = sdev->hostdata;
6068 if (!sas_device_priv_data || !sas_device_priv_data->sas_target)
6069 continue;
6070 /* skip hidden raid components */
6071 if (sas_device_priv_data->sas_target->flags &
6072 MPT_TARGET_FLAGS_RAID_COMPONENT)
6073 continue;
6074 /* skip volumes */
6075 if (sas_device_priv_data->sas_target->flags &
6076 MPT_TARGET_FLAGS_VOLUME)
6077 continue;
6078
6079 handle = sas_device_priv_data->sas_target->handle;
6080 lun = sas_device_priv_data->lun;
6081 query_count++;
6082
6083 if (ioc->shost_recovery)
6084 goto out;
6085
6086 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
6087 r = mpt3sas_scsih_issue_tm(ioc, handle, 0, 0, lun,
c62e46de 6088 MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30,
f92363d1
SR		 6089 TM_MUTEX_OFF);
6090 if (r == FAILED) {
6091 sdev_printk(KERN_WARNING, sdev,
6092 "mpt3sas_scsih_issue_tm: FAILED when sending "
6093 "QUERY_TASK: scmd(%p)\n", scmd);
6094 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6095 goto broadcast_aen_retry;
6096 }
6097 ioc_status = le16_to_cpu(mpi_reply->IOCStatus)
6098 & MPI2_IOCSTATUS_MASK;
6099 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6100 sdev_printk(KERN_WARNING, sdev,
6101 "query task: FAILED with IOCSTATUS(0x%04x), scmd(%p)\n",
6102 ioc_status, scmd);
6103 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6104 goto broadcast_aen_retry;
6105 }
6106
6107 /* see if IO is still owned by IOC and target */
6108 if (mpi_reply->ResponseCode ==
6109 MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED ||
6110 mpi_reply->ResponseCode ==
6111 MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC) {
6112 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6113 continue;
6114 }
6115 task_abort_retries = 0;
6116 tm_retry:
6117 if (task_abort_retries++ == 60) {
6118 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6119 "%s: ABORT_TASK: giving up\n", ioc->name,
6120 __func__));
6121 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6122 goto broadcast_aen_retry;
6123 }
6124
6125 if (ioc->shost_recovery)
6126 goto out_no_lock;
6127
6128 r = mpt3sas_scsih_issue_tm(ioc, handle, sdev->channel, sdev->id,
6129 sdev->lun, MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30,
c62e46de 6130 TM_MUTEX_OFF);
f92363d1
SR		 6131 if (r == FAILED) {
6132 sdev_printk(KERN_WARNING, sdev,
6133 "mpt3sas_scsih_issue_tm: ABORT_TASK: FAILED : "
6134 "scmd(%p)\n", scmd);
6135 goto tm_retry;
6136 }
6137
6138 if (task_abort_retries > 1)
6139 sdev_printk(KERN_WARNING, sdev,
6140 "mpt3sas_scsih_issue_tm: ABORT_TASK: RETRIES (%d):"
6141 " scmd(%p)\n",
6142 task_abort_retries - 1, scmd);
6143
6144 termination_count += le32_to_cpu(mpi_reply->TerminationCount);
6145 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6146 }
6147
6148 if (ioc->broadcast_aen_pending) {
6149 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6150 "%s: loop back due to pending AEN\n",
6151 ioc->name, __func__));
6152 ioc->broadcast_aen_pending = 0;
6153 goto broadcast_aen_retry;
6154 }
6155
6156 out:
6157 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
6158 out_no_lock:
6159
6160 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6161 "%s - exit, query_count = %d termination_count = %d\n",
6162 ioc->name, __func__, query_count, termination_count));
6163
6164 ioc->broadcast_aen_busy = 0;
6165 if (!ioc->shost_recovery)
6166 _scsih_ublock_io_all_device(ioc);
6167 mutex_unlock(&ioc->tm_cmds.mutex);
6168}
6169
6170/**
6171 * _scsih_sas_discovery_event - handle discovery events
6172 * @ioc: per adapter object
6173 * @fw_event: The fw_event_work object
6174 * Context: user.
6175 *
6176 * Return nothing.
6177 */
6178static void
6179_scsih_sas_discovery_event(struct MPT3SAS_ADAPTER *ioc,
6180 struct fw_event_work *fw_event)
6181{
35b62362
JL		 6182 Mpi2EventDataSasDiscovery_t *event_data =
6183 (Mpi2EventDataSasDiscovery_t *) fw_event->event_data;
f92363d1 6184
f92363d1
SR		 6185 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) {
6186 pr_info(MPT3SAS_FMT "discovery event: (%s)", ioc->name,
6187 (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ?
6188 "start" : "stop");
af009411
SR		 6189 if (event_data->DiscoveryStatus)
6190 pr_info("discovery_status(0x%08x)",
6191 le32_to_cpu(event_data->DiscoveryStatus));
6192 pr_info("\n");
f92363d1 6193 }
f92363d1
SR		 6194
6195 if (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED &&
6196 !ioc->sas_hba.num_phys) {
6197 if (disable_discovery > 0 && ioc->shost_recovery) {
6198 /* Wait for the reset to complete */
6199 while (ioc->shost_recovery)
6200 ssleep(1);
6201 }
6202 _scsih_sas_host_add(ioc);
6203 }
6204}
6205
6206/**
6207 * _scsih_ir_fastpath - turn on fastpath for IR physdisk
6208 * @ioc: per adapter object
6209 * @handle: device handle for physical disk
6210 * @phys_disk_num: physical disk number
6211 *
6212 * Return 0 for success, else failure.
6213 */
6214static int
6215_scsih_ir_fastpath(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phys_disk_num)
6216{
6217 Mpi2RaidActionRequest_t *mpi_request;
6218 Mpi2RaidActionReply_t *mpi_reply;
6219 u16 smid;
6220 u8 issue_reset = 0;
6221 int rc = 0;
6222 u16 ioc_status;
6223 u32 log_info;
6224
c84b06a4
SR		 6225 if (ioc->hba_mpi_version_belonged == MPI2_VERSION)
6226 return rc;
6227
f92363d1
SR		 6228 mutex_lock(&ioc->scsih_cmds.mutex);
6229
6230 if (ioc->scsih_cmds.status != MPT3_CMD_NOT_USED) {
6231 pr_err(MPT3SAS_FMT "%s: scsih_cmd in use\n",
6232 ioc->name, __func__);
6233 rc = -EAGAIN;
6234 goto out;
6235 }
6236 ioc->scsih_cmds.status = MPT3_CMD_PENDING;
6237
6238 smid = mpt3sas_base_get_smid(ioc, ioc->scsih_cb_idx);
6239 if (!smid) {
6240 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
6241 ioc->name, __func__);
6242 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
6243 rc = -EAGAIN;
6244 goto out;
6245 }
6246
6247 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
6248 ioc->scsih_cmds.smid = smid;
6249 memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t));
6250
6251 mpi_request->Function = MPI2_FUNCTION_RAID_ACTION;
6252 mpi_request->Action = MPI2_RAID_ACTION_PHYSDISK_HIDDEN;
6253 mpi_request->PhysDiskNum = phys_disk_num;
6254
6255 dewtprintk(ioc, pr_info(MPT3SAS_FMT "IR RAID_ACTION: turning fast "\
6256 "path on for handle(0x%04x), phys_disk_num (0x%02x)\n", ioc->name,
6257 handle, phys_disk_num));
6258
6259 init_completion(&ioc->scsih_cmds.done);
6260 mpt3sas_base_put_smid_default(ioc, smid);
6261 wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ);
6262
6263 if (!(ioc->scsih_cmds.status & MPT3_CMD_COMPLETE)) {
6264 pr_err(MPT3SAS_FMT "%s: timeout\n",
6265 ioc->name, __func__);
6266 if (!(ioc->scsih_cmds.status & MPT3_CMD_RESET))
6267 issue_reset = 1;
6268 rc = -EFAULT;
6269 goto out;
6270 }
6271
6272 if (ioc->scsih_cmds.status & MPT3_CMD_REPLY_VALID) {
6273
6274 mpi_reply = ioc->scsih_cmds.reply;
6275 ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
6276 if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
6277 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
6278 else
6279 log_info = 0;
6280 ioc_status &= MPI2_IOCSTATUS_MASK;
6281 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6282 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6283 "IR RAID_ACTION: failed: ioc_status(0x%04x), "
6284 "loginfo(0x%08x)!!!\n", ioc->name, ioc_status,
6285 log_info));
6286 rc = -EFAULT;
6287 } else
6288 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6289 "IR RAID_ACTION: completed successfully\n",
6290 ioc->name));
6291 }
6292
6293 out:
6294 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
6295 mutex_unlock(&ioc->scsih_cmds.mutex);
6296
6297 if (issue_reset)
6298 mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP,
6299 FORCE_BIG_HAMMER);
6300 return rc;
6301}
6302
6303/**
6304 * _scsih_reprobe_lun - reprobing lun
6305 * @sdev: scsi device struct
6306 * @no_uld_attach: sdev->no_uld_attach flag setting
6307 *
6308 **/
6309static void
6310_scsih_reprobe_lun(struct scsi_device *sdev, void *no_uld_attach)
6311{
6312 int rc;
6313 sdev->no_uld_attach = no_uld_attach ? 1 : 0;
6314 sdev_printk(KERN_INFO, sdev, "%s raid component\n",
6315 sdev->no_uld_attach ? "hidding" : "exposing");
6316 rc = scsi_device_reprobe(sdev);
6317}
6318
6319/**
6320 * _scsih_sas_volume_add - add new volume
6321 * @ioc: per adapter object
6322 * @element: IR config element data
6323 * Context: user.
6324 *
6325 * Return nothing.
6326 */
6327static void
6328_scsih_sas_volume_add(struct MPT3SAS_ADAPTER *ioc,
6329 Mpi2EventIrConfigElement_t *element)
6330{
6331 struct _raid_device *raid_device;
6332 unsigned long flags;
6333 u64 wwid;
6334 u16 handle = le16_to_cpu(element->VolDevHandle);
6335 int rc;
6336
6337 mpt3sas_config_get_volume_wwid(ioc, handle, &wwid);
6338 if (!wwid) {
6339 pr_err(MPT3SAS_FMT
6340 "failure at %s:%d/%s()!\n", ioc->name,
6341 __FILE__, __LINE__, __func__);
6342 return;
6343 }
6344
6345 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6346 raid_device = _scsih_raid_device_find_by_wwid(ioc, wwid);
6347 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6348
6349 if (raid_device)
6350 return;
6351
6352 raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
6353 if (!raid_device) {
6354 pr_err(MPT3SAS_FMT
6355 "failure at %s:%d/%s()!\n", ioc->name,
6356 __FILE__, __LINE__, __func__);
6357 return;
6358 }
6359
6360 raid_device->id = ioc->sas_id++;
6361 raid_device->channel = RAID_CHANNEL;
6362 raid_device->handle = handle;
6363 raid_device->wwid = wwid;
6364 _scsih_raid_device_add(ioc, raid_device);
6365 if (!ioc->wait_for_discovery_to_complete) {
6366 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
6367 raid_device->id, 0);
6368 if (rc)
6369 _scsih_raid_device_remove(ioc, raid_device);
6370 } else {
6371 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6372 _scsih_determine_boot_device(ioc, raid_device, 1);
6373 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6374 }
6375}
6376
6377/**
6378 * _scsih_sas_volume_delete - delete volume
6379 * @ioc: per adapter object
6380 * @handle: volume device handle
6381 * Context: user.
6382 *
6383 * Return nothing.
6384 */
6385static void
6386_scsih_sas_volume_delete(struct MPT3SAS_ADAPTER *ioc, u16 handle)
6387{
6388 struct _raid_device *raid_device;
6389 unsigned long flags;
6390 struct MPT3SAS_TARGET *sas_target_priv_data;
6391 struct scsi_target *starget = NULL;
6392
6393 spin_lock_irqsave(&ioc->raid_device_lock, flags);
c84b06a4 6394 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
f92363d1
SR		 6395 if (raid_device) {
6396 if (raid_device->starget) {
6397 starget = raid_device->starget;
6398 sas_target_priv_data = starget->hostdata;
6399 sas_target_priv_data->deleted = 1;
6400 }
6401 pr_info(MPT3SAS_FMT "removing handle(0x%04x), wwid(0x%016llx)\n",
6402 ioc->name, raid_device->handle,
6403 (unsigned long long) raid_device->wwid);
6404 list_del(&raid_device->list);
6405 kfree(raid_device);
6406 }
6407 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6408 if (starget)
6409 scsi_remove_target(&starget->dev);
6410}
6411
6412/**
6413 * _scsih_sas_pd_expose - expose pd component to /dev/sdX
6414 * @ioc: per adapter object
6415 * @element: IR config element data
6416 * Context: user.
6417 *
6418 * Return nothing.
6419 */
6420static void
6421_scsih_sas_pd_expose(struct MPT3SAS_ADAPTER *ioc,
6422 Mpi2EventIrConfigElement_t *element)
6423{
6424 struct _sas_device *sas_device;
6425 struct scsi_target *starget = NULL;
6426 struct MPT3SAS_TARGET *sas_target_priv_data;
6427 unsigned long flags;
6428 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6429
6430 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 6431 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
f92363d1
SR		 6432 if (sas_device) {
6433 sas_device->volume_handle = 0;
6434 sas_device->volume_wwid = 0;
6435 clear_bit(handle, ioc->pd_handles);
6436 if (sas_device->starget && sas_device->starget->hostdata) {
6437 starget = sas_device->starget;
6438 sas_target_priv_data = starget->hostdata;
6439 sas_target_priv_data->flags &=
6440 ~MPT_TARGET_FLAGS_RAID_COMPONENT;
6441 }
6442 }
6443 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
6444 if (!sas_device)
6445 return;
6446
6447 /* exposing raid component */
6448 if (starget)
6449 starget_for_each_device(starget, NULL, _scsih_reprobe_lun);
d1cb5e49
SR		 6450
6451 sas_device_put(sas_device);
f92363d1
SR		 6452}
6453
6454/**
6455 * _scsih_sas_pd_hide - hide pd component from /dev/sdX
6456 * @ioc: per adapter object
6457 * @element: IR config element data
6458 * Context: user.
6459 *
6460 * Return nothing.
6461 */
6462static void
6463_scsih_sas_pd_hide(struct MPT3SAS_ADAPTER *ioc,
6464 Mpi2EventIrConfigElement_t *element)
6465{
6466 struct _sas_device *sas_device;
6467 struct scsi_target *starget = NULL;
6468 struct MPT3SAS_TARGET *sas_target_priv_data;
6469 unsigned long flags;
6470 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6471 u16 volume_handle = 0;
6472 u64 volume_wwid = 0;
6473
6474 mpt3sas_config_get_volume_handle(ioc, handle, &volume_handle);
6475 if (volume_handle)
6476 mpt3sas_config_get_volume_wwid(ioc, volume_handle,
6477 &volume_wwid);
6478
6479 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 6480 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
f92363d1
SR		 6481 if (sas_device) {
6482 set_bit(handle, ioc->pd_handles);
6483 if (sas_device->starget && sas_device->starget->hostdata) {
6484 starget = sas_device->starget;
6485 sas_target_priv_data = starget->hostdata;
6486 sas_target_priv_data->flags |=
6487 MPT_TARGET_FLAGS_RAID_COMPONENT;
6488 sas_device->volume_handle = volume_handle;
6489 sas_device->volume_wwid = volume_wwid;
6490 }
6491 }
6492 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
6493 if (!sas_device)
6494 return;
6495
6496 /* hiding raid component */
6497 _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum);
c84b06a4 6498
f92363d1
SR		 6499 if (starget)
6500 starget_for_each_device(starget, (void *)1, _scsih_reprobe_lun);
d1cb5e49
SR		 6501
6502 sas_device_put(sas_device);
f92363d1
SR		 6503}
6504
6505/**
6506 * _scsih_sas_pd_delete - delete pd component
6507 * @ioc: per adapter object
6508 * @element: IR config element data
6509 * Context: user.
6510 *
6511 * Return nothing.
6512 */
6513static void
6514_scsih_sas_pd_delete(struct MPT3SAS_ADAPTER *ioc,
6515 Mpi2EventIrConfigElement_t *element)
6516{
6517 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6518
6519 _scsih_device_remove_by_handle(ioc, handle);
6520}
6521
6522/**
6523 * _scsih_sas_pd_add - remove pd component
6524 * @ioc: per adapter object
6525 * @element: IR config element data
6526 * Context: user.
6527 *
6528 * Return nothing.
6529 */
6530static void
6531_scsih_sas_pd_add(struct MPT3SAS_ADAPTER *ioc,
6532 Mpi2EventIrConfigElement_t *element)
6533{
6534 struct _sas_device *sas_device;
f92363d1
SR		 6535 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6536 Mpi2ConfigReply_t mpi_reply;
6537 Mpi2SasDevicePage0_t sas_device_pg0;
6538 u32 ioc_status;
6539 u64 sas_address;
6540 u16 parent_handle;
6541
6542 set_bit(handle, ioc->pd_handles);
6543
d1cb5e49 6544 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
f92363d1
SR		 6545 if (sas_device) {
6546 _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum);
d1cb5e49 6547 sas_device_put(sas_device);
f92363d1
SR		 6548 return;
6549 }
6550
6551 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
6552 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
6553 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
6554 ioc->name, __FILE__, __LINE__, __func__);
6555 return;
6556 }
6557
6558 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
6559 MPI2_IOCSTATUS_MASK;
6560 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6561 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
6562 ioc->name, __FILE__, __LINE__, __func__);
6563 return;
6564 }
6565
6566 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
6567 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
6568 mpt3sas_transport_update_links(ioc, sas_address, handle,
6569 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
6570
6571 _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum);
6572 _scsih_add_device(ioc, handle, 0, 1);
6573}
6574
f92363d1
SR		 6575/**
6576 * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events
6577 * @ioc: per adapter object
6578 * @event_data: event data payload
6579 * Context: user.
6580 *
6581 * Return nothing.
6582 */
6583static void
6584_scsih_sas_ir_config_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
6585 Mpi2EventDataIrConfigChangeList_t *event_data)
6586{
6587 Mpi2EventIrConfigElement_t *element;
6588 u8 element_type;
6589 int i;
6590 char *reason_str = NULL, *element_str = NULL;
6591
6592 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
6593
6594 pr_info(MPT3SAS_FMT "raid config change: (%s), elements(%d)\n",
6595 ioc->name, (le32_to_cpu(event_data->Flags) &
6596 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ?
6597 "foreign" : "native", event_data->NumElements);
6598 for (i = 0; i < event_data->NumElements; i++, element++) {
6599 switch (element->ReasonCode) {
6600 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
6601 reason_str = "add";
6602 break;
6603 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
6604 reason_str = "remove";
6605 break;
6606 case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE:
6607 reason_str = "no change";
6608 break;
6609 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
6610 reason_str = "hide";
6611 break;
6612 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
6613 reason_str = "unhide";
6614 break;
6615 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
6616 reason_str = "volume_created";
6617 break;
6618 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
6619 reason_str = "volume_deleted";
6620 break;
6621 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
6622 reason_str = "pd_created";
6623 break;
6624 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
6625 reason_str = "pd_deleted";
6626 break;
6627 default:
6628 reason_str = "unknown reason";
6629 break;
6630 }
6631 element_type = le16_to_cpu(element->ElementFlags) &
6632 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK;
6633 switch (element_type) {
6634 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT:
6635 element_str = "volume";
6636 break;
6637 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT:
6638 element_str = "phys disk";
6639 break;
6640 case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT:
6641 element_str = "hot spare";
6642 break;
6643 default:
6644 element_str = "unknown element";
6645 break;
6646 }
6647 pr_info("\t(%s:%s), vol handle(0x%04x), " \
6648 "pd handle(0x%04x), pd num(0x%02x)\n", element_str,
6649 reason_str, le16_to_cpu(element->VolDevHandle),
6650 le16_to_cpu(element->PhysDiskDevHandle),
6651 element->PhysDiskNum);
6652 }
6653}
f92363d1
SR		 6654
6655/**
6656 * _scsih_sas_ir_config_change_event - handle ir configuration change events
6657 * @ioc: per adapter object
6658 * @fw_event: The fw_event_work object
6659 * Context: user.
6660 *
6661 * Return nothing.
6662 */
6663static void
6664_scsih_sas_ir_config_change_event(struct MPT3SAS_ADAPTER *ioc,
6665 struct fw_event_work *fw_event)
6666{
6667 Mpi2EventIrConfigElement_t *element;
6668 int i;
6669 u8 foreign_config;
35b62362
JL		 6670 Mpi2EventDataIrConfigChangeList_t *event_data =
6671 (Mpi2EventDataIrConfigChangeList_t *)
6672 fw_event->event_data;
f92363d1 6673
7786ab6a
SR		 6674 if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) &&
6675 (!ioc->hide_ir_msg))
f92363d1
SR		 6676 _scsih_sas_ir_config_change_event_debug(ioc, event_data);
6677
f92363d1
SR		 6678 foreign_config = (le32_to_cpu(event_data->Flags) &
6679 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
6680
6681 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
c84b06a4
SR		 6682 if (ioc->shost_recovery &&
6683 ioc->hba_mpi_version_belonged != MPI2_VERSION) {
f92363d1
SR		 6684 for (i = 0; i < event_data->NumElements; i++, element++) {
6685 if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_HIDE)
6686 _scsih_ir_fastpath(ioc,
6687 le16_to_cpu(element->PhysDiskDevHandle),
6688 element->PhysDiskNum);
6689 }
6690 return;
6691 }
7786ab6a 6692
f92363d1
SR		 6693 for (i = 0; i < event_data->NumElements; i++, element++) {
6694
6695 switch (element->ReasonCode) {
6696 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
6697 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
6698 if (!foreign_config)
6699 _scsih_sas_volume_add(ioc, element);
6700 break;
6701 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
6702 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
6703 if (!foreign_config)
6704 _scsih_sas_volume_delete(ioc,
6705 le16_to_cpu(element->VolDevHandle));
6706 break;
6707 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
7786ab6a
SR		 6708 if (!ioc->is_warpdrive)
6709 _scsih_sas_pd_hide(ioc, element);
f92363d1
SR		 6710 break;
6711 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
7786ab6a
SR		 6712 if (!ioc->is_warpdrive)
6713 _scsih_sas_pd_expose(ioc, element);
f92363d1
SR		 6714 break;
6715 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
7786ab6a
SR		 6716 if (!ioc->is_warpdrive)
6717 _scsih_sas_pd_add(ioc, element);
f92363d1
SR		 6718 break;
6719 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
7786ab6a
SR		 6720 if (!ioc->is_warpdrive)
6721 _scsih_sas_pd_delete(ioc, element);
f92363d1
SR		 6722 break;
6723 }
6724 }
6725}
6726
6727/**
6728 * _scsih_sas_ir_volume_event - IR volume event
6729 * @ioc: per adapter object
6730 * @fw_event: The fw_event_work object
6731 * Context: user.
6732 *
6733 * Return nothing.
6734 */
6735static void
6736_scsih_sas_ir_volume_event(struct MPT3SAS_ADAPTER *ioc,
6737 struct fw_event_work *fw_event)
6738{
6739 u64 wwid;
6740 unsigned long flags;
6741 struct _raid_device *raid_device;
6742 u16 handle;
6743 u32 state;
6744 int rc;
35b62362
JL		 6745 Mpi2EventDataIrVolume_t *event_data =
6746 (Mpi2EventDataIrVolume_t *) fw_event->event_data;
f92363d1
SR		 6747
6748 if (ioc->shost_recovery)
6749 return;
6750
6751 if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
6752 return;
6753
6754 handle = le16_to_cpu(event_data->VolDevHandle);
6755 state = le32_to_cpu(event_data->NewValue);
7786ab6a
SR		 6756 if (!ioc->hide_ir_msg)
6757 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6758 "%s: handle(0x%04x), old(0x%08x), new(0x%08x)\n",
6759 ioc->name, __func__, handle,
6760 le32_to_cpu(event_data->PreviousValue), state));
f92363d1
SR		 6761 switch (state) {
6762 case MPI2_RAID_VOL_STATE_MISSING:
6763 case MPI2_RAID_VOL_STATE_FAILED:
6764 _scsih_sas_volume_delete(ioc, handle);
6765 break;
6766
6767 case MPI2_RAID_VOL_STATE_ONLINE:
6768 case MPI2_RAID_VOL_STATE_DEGRADED:
6769 case MPI2_RAID_VOL_STATE_OPTIMAL:
6770
6771 spin_lock_irqsave(&ioc->raid_device_lock, flags);
c84b06a4 6772 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
f92363d1
SR		 6773 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6774
6775 if (raid_device)
6776 break;
6777
6778 mpt3sas_config_get_volume_wwid(ioc, handle, &wwid);
6779 if (!wwid) {
6780 pr_err(MPT3SAS_FMT
6781 "failure at %s:%d/%s()!\n", ioc->name,
6782 __FILE__, __LINE__, __func__);
6783 break;
6784 }
6785
6786 raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
6787 if (!raid_device) {
6788 pr_err(MPT3SAS_FMT
6789 "failure at %s:%d/%s()!\n", ioc->name,
6790 __FILE__, __LINE__, __func__);
6791 break;
6792 }
6793
6794 raid_device->id = ioc->sas_id++;
6795 raid_device->channel = RAID_CHANNEL;
6796 raid_device->handle = handle;
6797 raid_device->wwid = wwid;
6798 _scsih_raid_device_add(ioc, raid_device);
6799 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
6800 raid_device->id, 0);
6801 if (rc)
6802 _scsih_raid_device_remove(ioc, raid_device);
6803 break;
6804
6805 case MPI2_RAID_VOL_STATE_INITIALIZING:
6806 default:
6807 break;
6808 }
6809}
6810
6811/**
6812 * _scsih_sas_ir_physical_disk_event - PD event
6813 * @ioc: per adapter object
6814 * @fw_event: The fw_event_work object
6815 * Context: user.
6816 *
6817 * Return nothing.
6818 */
6819static void
6820_scsih_sas_ir_physical_disk_event(struct MPT3SAS_ADAPTER *ioc,
6821 struct fw_event_work *fw_event)
6822{
6823 u16 handle, parent_handle;
6824 u32 state;
6825 struct _sas_device *sas_device;
f92363d1
SR		 6826 Mpi2ConfigReply_t mpi_reply;
6827 Mpi2SasDevicePage0_t sas_device_pg0;
6828 u32 ioc_status;
35b62362
JL		 6829 Mpi2EventDataIrPhysicalDisk_t *event_data =
6830 (Mpi2EventDataIrPhysicalDisk_t *) fw_event->event_data;
f92363d1
SR		 6831 u64 sas_address;
6832
6833 if (ioc->shost_recovery)
6834 return;
6835
6836 if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED)
6837 return;
6838
6839 handle = le16_to_cpu(event_data->PhysDiskDevHandle);
6840 state = le32_to_cpu(event_data->NewValue);
6841
7786ab6a
SR		 6842 if (!ioc->hide_ir_msg)
6843 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6844 "%s: handle(0x%04x), old(0x%08x), new(0x%08x)\n",
6845 ioc->name, __func__, handle,
f92363d1 6846 le32_to_cpu(event_data->PreviousValue), state));
7786ab6a 6847
f92363d1
SR		 6848 switch (state) {
6849 case MPI2_RAID_PD_STATE_ONLINE:
6850 case MPI2_RAID_PD_STATE_DEGRADED:
6851 case MPI2_RAID_PD_STATE_REBUILDING:
6852 case MPI2_RAID_PD_STATE_OPTIMAL:
6853 case MPI2_RAID_PD_STATE_HOT_SPARE:
6854
7786ab6a
SR		 6855 if (!ioc->is_warpdrive)
6856 set_bit(handle, ioc->pd_handles);
f92363d1 6857
d1cb5e49
SR		 6858 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
6859 if (sas_device) {
6860 sas_device_put(sas_device);
f92363d1 6861 return;
d1cb5e49 6862 }
f92363d1
SR		 6863
6864 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
6865 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
6866 handle))) {
6867 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
6868 ioc->name, __FILE__, __LINE__, __func__);
6869 return;
6870 }
6871
6872 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
6873 MPI2_IOCSTATUS_MASK;
6874 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6875 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
6876 ioc->name, __FILE__, __LINE__, __func__);
6877 return;
6878 }
6879
6880 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
6881 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
6882 mpt3sas_transport_update_links(ioc, sas_address, handle,
6883 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
6884
6885 _scsih_add_device(ioc, handle, 0, 1);
6886
6887 break;
6888
6889 case MPI2_RAID_PD_STATE_OFFLINE:
6890 case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
6891 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
6892 default:
6893 break;
6894 }
6895}
6896
f92363d1
SR		 6897/**
6898 * _scsih_sas_ir_operation_status_event_debug - debug for IR op event
6899 * @ioc: per adapter object
6900 * @event_data: event data payload
6901 * Context: user.
6902 *
6903 * Return nothing.
6904 */
6905static void
6906_scsih_sas_ir_operation_status_event_debug(struct MPT3SAS_ADAPTER *ioc,
6907 Mpi2EventDataIrOperationStatus_t *event_data)
6908{
6909 char *reason_str = NULL;
6910
6911 switch (event_data->RAIDOperation) {
6912 case MPI2_EVENT_IR_RAIDOP_RESYNC:
6913 reason_str = "resync";
6914 break;
6915 case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION:
6916 reason_str = "online capacity expansion";
6917 break;
6918 case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK:
6919 reason_str = "consistency check";
6920 break;
6921 case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT:
6922 reason_str = "background init";
6923 break;
6924 case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT:
6925 reason_str = "make data consistent";
6926 break;
6927 }
6928
6929 if (!reason_str)
6930 return;
6931
6932 pr_info(MPT3SAS_FMT "raid operational status: (%s)" \
6933 "\thandle(0x%04x), percent complete(%d)\n",
6934 ioc->name, reason_str,
6935 le16_to_cpu(event_data->VolDevHandle),
6936 event_data->PercentComplete);
6937}
f92363d1
SR		 6938
6939/**
6940 * _scsih_sas_ir_operation_status_event - handle RAID operation events
6941 * @ioc: per adapter object
6942 * @fw_event: The fw_event_work object
6943 * Context: user.
6944 *
6945 * Return nothing.
6946 */
6947static void
6948_scsih_sas_ir_operation_status_event(struct MPT3SAS_ADAPTER *ioc,
6949 struct fw_event_work *fw_event)
6950{
35b62362
JL		 6951 Mpi2EventDataIrOperationStatus_t *event_data =
6952 (Mpi2EventDataIrOperationStatus_t *)
6953 fw_event->event_data;
f92363d1
SR		 6954 static struct _raid_device *raid_device;
6955 unsigned long flags;
6956 u16 handle;
6957
7786ab6a
SR		 6958 if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) &&
6959 (!ioc->hide_ir_msg))
f92363d1
SR		 6960 _scsih_sas_ir_operation_status_event_debug(ioc,
6961 event_data);
f92363d1
SR		 6962
6963 /* code added for raid transport support */
6964 if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) {
6965
6966 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6967 handle = le16_to_cpu(event_data->VolDevHandle);
c84b06a4 6968 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
f92363d1
SR		 6969 if (raid_device)
6970 raid_device->percent_complete =
6971 event_data->PercentComplete;
6972 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6973 }
6974}
6975
6976/**
6977 * _scsih_prep_device_scan - initialize parameters prior to device scan
6978 * @ioc: per adapter object
6979 *
6980 * Set the deleted flag prior to device scan. If the device is found during
6981 * the scan, then we clear the deleted flag.
6982 */
6983static void
6984_scsih_prep_device_scan(struct MPT3SAS_ADAPTER *ioc)
6985{
6986 struct MPT3SAS_DEVICE *sas_device_priv_data;
6987 struct scsi_device *sdev;
6988
6989 shost_for_each_device(sdev, ioc->shost) {
6990 sas_device_priv_data = sdev->hostdata;
6991 if (sas_device_priv_data && sas_device_priv_data->sas_target)
6992 sas_device_priv_data->sas_target->deleted = 1;
6993 }
6994}
6995
6996/**
6997 * _scsih_mark_responding_sas_device - mark a sas_devices as responding
6998 * @ioc: per adapter object
e6d45e3e 6999 * @sas_device_pg0: SAS Device page 0
f92363d1
SR		 7000 *
7001 * After host reset, find out whether devices are still responding.
7002 * Used in _scsih_remove_unresponsive_sas_devices.
7003 *
7004 * Return nothing.
7005 */
7006static void
e6d45e3e
SR		 7007_scsih_mark_responding_sas_device(struct MPT3SAS_ADAPTER *ioc,
7008Mpi2SasDevicePage0_t *sas_device_pg0)
f92363d1
SR		 7009{
7010 struct MPT3SAS_TARGET *sas_target_priv_data = NULL;
7011 struct scsi_target *starget;
7012 struct _sas_device *sas_device;
7013 unsigned long flags;
7014
7015 spin_lock_irqsave(&ioc->sas_device_lock, flags);
7016 list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
e6d45e3e
SR		 7017 if ((sas_device->sas_address == sas_device_pg0->SASAddress) &&
7018 (sas_device->slot == sas_device_pg0->Slot)) {
f92363d1
SR		 7019 sas_device->responding = 1;
7020 starget = sas_device->starget;
7021 if (starget && starget->hostdata) {
7022 sas_target_priv_data = starget->hostdata;
7023 sas_target_priv_data->tm_busy = 0;
7024 sas_target_priv_data->deleted = 0;
7025 } else
7026 sas_target_priv_data = NULL;
e6d45e3e 7027 if (starget) {
f92363d1 7028 starget_printk(KERN_INFO, starget,
e6d45e3e
SR		 7029 "handle(0x%04x), sas_addr(0x%016llx)\n",
7030 sas_device_pg0->DevHandle,
f92363d1 7031 (unsigned long long)
e6d45e3e
SR		 7032 sas_device->sas_address);
7033
7034 if (sas_device->enclosure_handle != 0)
7035 starget_printk(KERN_INFO, starget,
7036 "enclosure logical id(0x%016llx),"
7037 " slot(%d)\n",
7038 (unsigned long long)
7039 sas_device->enclosure_logical_id,
7040 sas_device->slot);
7041 }
7042 if (sas_device_pg0->Flags &
7043 MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
7044 sas_device->enclosure_level =
7045 le16_to_cpu(sas_device_pg0->EnclosureLevel);
7046 memcpy(&sas_device->connector_name[0],
7047 &sas_device_pg0->ConnectorName[0], 4);
7048 } else {
7049 sas_device->enclosure_level = 0;
7050 sas_device->connector_name[0] = '\0';
7051 }
7052
7053 if (sas_device->handle == sas_device_pg0->DevHandle)
f92363d1
SR		 7054 goto out;
7055 pr_info("\thandle changed from(0x%04x)!!!\n",
7056 sas_device->handle);
e6d45e3e 7057 sas_device->handle = sas_device_pg0->DevHandle;
f92363d1 7058 if (sas_target_priv_data)
e6d45e3e
SR		 7059 sas_target_priv_data->handle =
7060 sas_device_pg0->DevHandle;
f92363d1
SR		 7061 goto out;
7062 }
7063 }
7064 out:
7065 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
7066}
7067
7068/**
7069 * _scsih_search_responding_sas_devices -
7070 * @ioc: per adapter object
7071 *
7072 * After host reset, find out whether devices are still responding.
7073 * If not remove.
7074 *
7075 * Return nothing.
7076 */
7077static void
7078_scsih_search_responding_sas_devices(struct MPT3SAS_ADAPTER *ioc)
7079{
7080 Mpi2SasDevicePage0_t sas_device_pg0;
7081 Mpi2ConfigReply_t mpi_reply;
7082 u16 ioc_status;
7083 u16 handle;
7084 u32 device_info;
7085
7086 pr_info(MPT3SAS_FMT "search for end-devices: start\n", ioc->name);
7087
7088 if (list_empty(&ioc->sas_device_list))
7089 goto out;
7090
7091 handle = 0xFFFF;
7092 while (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
7093 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
7094 handle))) {
7095 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7096 MPI2_IOCSTATUS_MASK;
14be49ac 7097 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
f92363d1 7098 break;
e6d45e3e
SR		 7099 handle = sas_device_pg0.DevHandle =
7100 le16_to_cpu(sas_device_pg0.DevHandle);
f92363d1
SR		 7101 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
7102 if (!(_scsih_is_end_device(device_info)))
7103 continue;
e6d45e3e
SR		 7104 sas_device_pg0.SASAddress =
7105 le64_to_cpu(sas_device_pg0.SASAddress);
7106 sas_device_pg0.Slot = le16_to_cpu(sas_device_pg0.Slot);
7107 _scsih_mark_responding_sas_device(ioc, &sas_device_pg0);
f92363d1
SR		 7108 }
7109
7110 out:
7111 pr_info(MPT3SAS_FMT "search for end-devices: complete\n",
7112 ioc->name);
7113}
7114
7115/**
7116 * _scsih_mark_responding_raid_device - mark a raid_device as responding
7117 * @ioc: per adapter object
7118 * @wwid: world wide identifier for raid volume
7119 * @handle: device handle
7120 *
7121 * After host reset, find out whether devices are still responding.
7122 * Used in _scsih_remove_unresponsive_raid_devices.
7123 *
7124 * Return nothing.
7125 */
7126static void
7127_scsih_mark_responding_raid_device(struct MPT3SAS_ADAPTER *ioc, u64 wwid,
7128 u16 handle)
7129{
7786ab6a 7130 struct MPT3SAS_TARGET *sas_target_priv_data = NULL;
f92363d1
SR		 7131 struct scsi_target *starget;
7132 struct _raid_device *raid_device;
7133 unsigned long flags;
7134
7135 spin_lock_irqsave(&ioc->raid_device_lock, flags);
7136 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
7137 if (raid_device->wwid == wwid && raid_device->starget) {
7138 starget = raid_device->starget;
7139 if (starget && starget->hostdata) {
7140 sas_target_priv_data = starget->hostdata;
7141 sas_target_priv_data->deleted = 0;
7142 } else
7143 sas_target_priv_data = NULL;
7144 raid_device->responding = 1;
7145 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7146 starget_printk(KERN_INFO, raid_device->starget,
7147 "handle(0x%04x), wwid(0x%016llx)\n", handle,
7148 (unsigned long long)raid_device->wwid);
7786ab6a 7149
7786ab6a
SR		 7150 /*
7151 * WARPDRIVE: The handles of the PDs might have changed
7152 * across the host reset so re-initialize the
7153 * required data for Direct IO
7154 */
c84b06a4 7155 mpt3sas_init_warpdrive_properties(ioc, raid_device);
f92363d1
SR		 7156 spin_lock_irqsave(&ioc->raid_device_lock, flags);
7157 if (raid_device->handle == handle) {
7158 spin_unlock_irqrestore(&ioc->raid_device_lock,
7159 flags);
7160 return;
7161 }
7162 pr_info("\thandle changed from(0x%04x)!!!\n",
7163 raid_device->handle);
7164 raid_device->handle = handle;
7165 if (sas_target_priv_data)
7166 sas_target_priv_data->handle = handle;
7167 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7168 return;
7169 }
7170 }
7171 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7172}
7173
7174/**
7175 * _scsih_search_responding_raid_devices -
7176 * @ioc: per adapter object
7177 *
7178 * After host reset, find out whether devices are still responding.
7179 * If not remove.
7180 *
7181 * Return nothing.
7182 */
7183static void
7184_scsih_search_responding_raid_devices(struct MPT3SAS_ADAPTER *ioc)
7185{
7186 Mpi2RaidVolPage1_t volume_pg1;
7187 Mpi2RaidVolPage0_t volume_pg0;
7188 Mpi2RaidPhysDiskPage0_t pd_pg0;
7189 Mpi2ConfigReply_t mpi_reply;
7190 u16 ioc_status;
7191 u16 handle;
7192 u8 phys_disk_num;
7193
7194 if (!ioc->ir_firmware)
7195 return;
7196
7197 pr_info(MPT3SAS_FMT "search for raid volumes: start\n",
7198 ioc->name);
7199
7200 if (list_empty(&ioc->raid_device_list))
7201 goto out;
7202
7203 handle = 0xFFFF;
7204 while (!(mpt3sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
7205 &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
7206 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7207 MPI2_IOCSTATUS_MASK;
14be49ac 7208 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
f92363d1
SR		 7209 break;
7210 handle = le16_to_cpu(volume_pg1.DevHandle);
7211
7212 if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply,
7213 &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
7214 sizeof(Mpi2RaidVolPage0_t)))
7215 continue;
7216
7217 if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL ||
7218 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE ||
7219 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED)
7220 _scsih_mark_responding_raid_device(ioc,
7221 le64_to_cpu(volume_pg1.WWID), handle);
7222 }
7223
7224 /* refresh the pd_handles */
7786ab6a 7225 if (!ioc->is_warpdrive) {
f92363d1
SR		 7226 phys_disk_num = 0xFF;
7227 memset(ioc->pd_handles, 0, ioc->pd_handles_sz);
7228 while (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
7229 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM,
7230 phys_disk_num))) {
7231 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7232 MPI2_IOCSTATUS_MASK;
14be49ac 7233 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
f92363d1
SR		 7234 break;
7235 phys_disk_num = pd_pg0.PhysDiskNum;
7236 handle = le16_to_cpu(pd_pg0.DevHandle);
7237 set_bit(handle, ioc->pd_handles);
7238 }
7786ab6a 7239 }
f92363d1
SR		 7240 out:
7241 pr_info(MPT3SAS_FMT "search for responding raid volumes: complete\n",
7242 ioc->name);
7243}
7244
7245/**
7246 * _scsih_mark_responding_expander - mark a expander as responding
7247 * @ioc: per adapter object
7248 * @sas_address: sas address
7249 * @handle:
7250 *
7251 * After host reset, find out whether devices are still responding.
7252 * Used in _scsih_remove_unresponsive_expanders.
7253 *
7254 * Return nothing.
7255 */
7256static void
7257_scsih_mark_responding_expander(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
7258 u16 handle)
7259{
7260 struct _sas_node *sas_expander;
7261 unsigned long flags;
7262 int i;
7263
7264 spin_lock_irqsave(&ioc->sas_node_lock, flags);
7265 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
7266 if (sas_expander->sas_address != sas_address)
7267 continue;
7268 sas_expander->responding = 1;
7269 if (sas_expander->handle == handle)
7270 goto out;
7271 pr_info("\texpander(0x%016llx): handle changed" \
7272 " from(0x%04x) to (0x%04x)!!!\n",
7273 (unsigned long long)sas_expander->sas_address,
7274 sas_expander->handle, handle);
7275 sas_expander->handle = handle;
7276 for (i = 0 ; i < sas_expander->num_phys ; i++)
7277 sas_expander->phy[i].handle = handle;
7278 goto out;
7279 }
7280 out:
7281 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
7282}
7283
7284/**
7285 * _scsih_search_responding_expanders -
7286 * @ioc: per adapter object
7287 *
7288 * After host reset, find out whether devices are still responding.
7289 * If not remove.
7290 *
7291 * Return nothing.
7292 */
7293static void
7294_scsih_search_responding_expanders(struct MPT3SAS_ADAPTER *ioc)
7295{
7296 Mpi2ExpanderPage0_t expander_pg0;
7297 Mpi2ConfigReply_t mpi_reply;
7298 u16 ioc_status;
7299 u64 sas_address;
7300 u16 handle;
7301
7302 pr_info(MPT3SAS_FMT "search for expanders: start\n", ioc->name);
7303
7304 if (list_empty(&ioc->sas_expander_list))
7305 goto out;
7306
7307 handle = 0xFFFF;
7308 while (!(mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
7309 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) {
7310
7311 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7312 MPI2_IOCSTATUS_MASK;
14be49ac 7313 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
f92363d1
SR		 7314 break;
7315
7316 handle = le16_to_cpu(expander_pg0.DevHandle);
7317 sas_address = le64_to_cpu(expander_pg0.SASAddress);
7318 pr_info("\texpander present: handle(0x%04x), sas_addr(0x%016llx)\n",
7319 handle,
7320 (unsigned long long)sas_address);
7321 _scsih_mark_responding_expander(ioc, sas_address, handle);
7322 }
7323
7324 out:
7325 pr_info(MPT3SAS_FMT "search for expanders: complete\n", ioc->name);
7326}
7327
7328/**
7329 * _scsih_remove_unresponding_sas_devices - removing unresponding devices
7330 * @ioc: per adapter object
7331 *
7332 * Return nothing.
7333 */
7334static void
7335_scsih_remove_unresponding_sas_devices(struct MPT3SAS_ADAPTER *ioc)
7336{
7337 struct _sas_device *sas_device, *sas_device_next;
7338 struct _sas_node *sas_expander, *sas_expander_next;
7339 struct _raid_device *raid_device, *raid_device_next;
7340 struct list_head tmp_list;
7341 unsigned long flags;
d1cb5e49 7342 LIST_HEAD(head);
f92363d1
SR		 7343
7344 pr_info(MPT3SAS_FMT "removing unresponding devices: start\n",
7345 ioc->name);
7346
7347 /* removing unresponding end devices */
7348 pr_info(MPT3SAS_FMT "removing unresponding devices: end-devices\n",
7349 ioc->name);
d1cb5e49
SR		 7350 /*
7351 * Iterate, pulling off devices marked as non-responding. We become the
7352 * owner for the reference the list had on any object we prune.
7353 */
7354 spin_lock_irqsave(&ioc->sas_device_lock, flags);
f92363d1
SR		 7355 list_for_each_entry_safe(sas_device, sas_device_next,
7356 &ioc->sas_device_list, list) {
7357 if (!sas_device->responding)
d1cb5e49 7358 list_move_tail(&sas_device->list, &head);
f92363d1
SR		 7359 else
7360 sas_device->responding = 0;
7361 }
d1cb5e49
SR		 7362 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
7363
7364 /*
7365 * Now, uninitialize and remove the unresponding devices we pruned.
7366 */
7367 list_for_each_entry_safe(sas_device, sas_device_next, &head, list) {
7368 _scsih_remove_device(ioc, sas_device);
7369 list_del_init(&sas_device->list);
7370 sas_device_put(sas_device);
7371 }
f92363d1
SR		 7372
7373 /* removing unresponding volumes */
7374 if (ioc->ir_firmware) {
7375 pr_info(MPT3SAS_FMT "removing unresponding devices: volumes\n",
7376 ioc->name);
7377 list_for_each_entry_safe(raid_device, raid_device_next,
7378 &ioc->raid_device_list, list) {
7379 if (!raid_device->responding)
7380 _scsih_sas_volume_delete(ioc,
7381 raid_device->handle);
7382 else
7383 raid_device->responding = 0;
7384 }
7385 }
7386
7387 /* removing unresponding expanders */
7388 pr_info(MPT3SAS_FMT "removing unresponding devices: expanders\n",
7389 ioc->name);
7390 spin_lock_irqsave(&ioc->sas_node_lock, flags);
7391 INIT_LIST_HEAD(&tmp_list);
7392 list_for_each_entry_safe(sas_expander, sas_expander_next,
7393 &ioc->sas_expander_list, list) {
7394 if (!sas_expander->responding)
7395 list_move_tail(&sas_expander->list, &tmp_list);
7396 else
7397 sas_expander->responding = 0;
7398 }
7399 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
7400 list_for_each_entry_safe(sas_expander, sas_expander_next, &tmp_list,
7401 list) {
7402 list_del(&sas_expander->list);
7403 _scsih_expander_node_remove(ioc, sas_expander);
7404 }
7405
7406 pr_info(MPT3SAS_FMT "removing unresponding devices: complete\n",
7407 ioc->name);
7408
7409 /* unblock devices */
7410 _scsih_ublock_io_all_device(ioc);
7411}
7412
7413static void
7414_scsih_refresh_expander_links(struct MPT3SAS_ADAPTER *ioc,
7415 struct _sas_node *sas_expander, u16 handle)
7416{
7417 Mpi2ExpanderPage1_t expander_pg1;
7418 Mpi2ConfigReply_t mpi_reply;
7419 int i;
7420
7421 for (i = 0 ; i < sas_expander->num_phys ; i++) {
7422 if ((mpt3sas_config_get_expander_pg1(ioc, &mpi_reply,
7423 &expander_pg1, i, handle))) {
7424 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
7425 ioc->name, __FILE__, __LINE__, __func__);
7426 return;
7427 }
7428
7429 mpt3sas_transport_update_links(ioc, sas_expander->sas_address,
7430 le16_to_cpu(expander_pg1.AttachedDevHandle), i,
7431 expander_pg1.NegotiatedLinkRate >> 4);
7432 }
7433}
7434
7435/**
7436 * _scsih_scan_for_devices_after_reset - scan for devices after host reset
7437 * @ioc: per adapter object
7438 *
7439 * Return nothing.
7440 */
7441static void
7442_scsih_scan_for_devices_after_reset(struct MPT3SAS_ADAPTER *ioc)
7443{
7444 Mpi2ExpanderPage0_t expander_pg0;
7445 Mpi2SasDevicePage0_t sas_device_pg0;
7446 Mpi2RaidVolPage1_t volume_pg1;
7447 Mpi2RaidVolPage0_t volume_pg0;
7448 Mpi2RaidPhysDiskPage0_t pd_pg0;
7449 Mpi2EventIrConfigElement_t element;
7450 Mpi2ConfigReply_t mpi_reply;
7451 u8 phys_disk_num;
7452 u16 ioc_status;
7453 u16 handle, parent_handle;
7454 u64 sas_address;
7455 struct _sas_device *sas_device;
7456 struct _sas_node *expander_device;
7457 static struct _raid_device *raid_device;
7458 u8 retry_count;
7459 unsigned long flags;
7460
7461 pr_info(MPT3SAS_FMT "scan devices: start\n", ioc->name);
7462
7463 _scsih_sas_host_refresh(ioc);
7464
7465 pr_info(MPT3SAS_FMT "\tscan devices: expanders start\n", ioc->name);
7466
7467 /* expanders */
7468 handle = 0xFFFF;
7469 while (!(mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
7470 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) {
7471 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7472 MPI2_IOCSTATUS_MASK;
f92363d1
SR		 7473 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7474 pr_info(MPT3SAS_FMT "\tbreak from expander scan: " \
7475 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7476 ioc->name, ioc_status,
7477 le32_to_cpu(mpi_reply.IOCLogInfo));
7478 break;
7479 }
7480 handle = le16_to_cpu(expander_pg0.DevHandle);
7481 spin_lock_irqsave(&ioc->sas_node_lock, flags);
7482 expander_device = mpt3sas_scsih_expander_find_by_sas_address(
7483 ioc, le64_to_cpu(expander_pg0.SASAddress));
7484 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
7485 if (expander_device)
7486 _scsih_refresh_expander_links(ioc, expander_device,
7487 handle);
7488 else {
7489 pr_info(MPT3SAS_FMT "\tBEFORE adding expander: " \
7490 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name,
7491 handle, (unsigned long long)
7492 le64_to_cpu(expander_pg0.SASAddress));
7493 _scsih_expander_add(ioc, handle);
7494 pr_info(MPT3SAS_FMT "\tAFTER adding expander: " \
7495 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name,
7496 handle, (unsigned long long)
7497 le64_to_cpu(expander_pg0.SASAddress));
7498 }
7499 }
7500
7501 pr_info(MPT3SAS_FMT "\tscan devices: expanders complete\n",
7502 ioc->name);
7503
7504 if (!ioc->ir_firmware)
7505 goto skip_to_sas;
7506
7507 pr_info(MPT3SAS_FMT "\tscan devices: phys disk start\n", ioc->name);
7508
7509 /* phys disk */
7510 phys_disk_num = 0xFF;
7511 while (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
7512 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM,
7513 phys_disk_num))) {
7514 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7515 MPI2_IOCSTATUS_MASK;
f92363d1
SR		 7516 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7517 pr_info(MPT3SAS_FMT "\tbreak from phys disk scan: "\
7518 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7519 ioc->name, ioc_status,
7520 le32_to_cpu(mpi_reply.IOCLogInfo));
7521 break;
7522 }
7523 phys_disk_num = pd_pg0.PhysDiskNum;
7524 handle = le16_to_cpu(pd_pg0.DevHandle);
d1cb5e49
SR		 7525 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
7526 if (sas_device) {
7527 sas_device_put(sas_device);
f92363d1 7528 continue;
d1cb5e49 7529 }
f92363d1
SR		 7530 if (mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
7531 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
7532 handle) != 0)
7533 continue;
7534 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7535 MPI2_IOCSTATUS_MASK;
7536 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7537 pr_info(MPT3SAS_FMT "\tbreak from phys disk scan " \
7538 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7539 ioc->name, ioc_status,
7540 le32_to_cpu(mpi_reply.IOCLogInfo));
7541 break;
7542 }
7543 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
7544 if (!_scsih_get_sas_address(ioc, parent_handle,
7545 &sas_address)) {
7546 pr_info(MPT3SAS_FMT "\tBEFORE adding phys disk: " \
7547 " handle (0x%04x), sas_addr(0x%016llx)\n",
7548 ioc->name, handle, (unsigned long long)
7549 le64_to_cpu(sas_device_pg0.SASAddress));
7550 mpt3sas_transport_update_links(ioc, sas_address,
7551 handle, sas_device_pg0.PhyNum,
7552 MPI2_SAS_NEG_LINK_RATE_1_5);
7553 set_bit(handle, ioc->pd_handles);
7554 retry_count = 0;
7555 /* This will retry adding the end device.
7556 * _scsih_add_device() will decide on retries and
7557 * return "1" when it should be retried
7558 */
7559 while (_scsih_add_device(ioc, handle, retry_count++,
7560 1)) {
7561 ssleep(1);
7562 }
7563 pr_info(MPT3SAS_FMT "\tAFTER adding phys disk: " \
7564 " handle (0x%04x), sas_addr(0x%016llx)\n",
7565 ioc->name, handle, (unsigned long long)
7566 le64_to_cpu(sas_device_pg0.SASAddress));
7567 }
7568 }
7569
7570 pr_info(MPT3SAS_FMT "\tscan devices: phys disk complete\n",
7571 ioc->name);
7572
7573 pr_info(MPT3SAS_FMT "\tscan devices: volumes start\n", ioc->name);
7574
7575 /* volumes */
7576 handle = 0xFFFF;
7577 while (!(mpt3sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
7578 &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
7579 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7580 MPI2_IOCSTATUS_MASK;
f92363d1
SR		 7581 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7582 pr_info(MPT3SAS_FMT "\tbreak from volume scan: " \
7583 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7584 ioc->name, ioc_status,
7585 le32_to_cpu(mpi_reply.IOCLogInfo));
7586 break;
7587 }
7588 handle = le16_to_cpu(volume_pg1.DevHandle);
7589 spin_lock_irqsave(&ioc->raid_device_lock, flags);
7590 raid_device = _scsih_raid_device_find_by_wwid(ioc,
7591 le64_to_cpu(volume_pg1.WWID));
7592 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7593 if (raid_device)
7594 continue;
7595 if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply,
7596 &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
7597 sizeof(Mpi2RaidVolPage0_t)))
7598 continue;
7599 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7600 MPI2_IOCSTATUS_MASK;
7601 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7602 pr_info(MPT3SAS_FMT "\tbreak from volume scan: " \
7603 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7604 ioc->name, ioc_status,
7605 le32_to_cpu(mpi_reply.IOCLogInfo));
7606 break;
7607 }
7608 if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL ||
7609 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE ||
7610 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED) {
7611 memset(&element, 0, sizeof(Mpi2EventIrConfigElement_t));
7612 element.ReasonCode = MPI2_EVENT_IR_CHANGE_RC_ADDED;
7613 element.VolDevHandle = volume_pg1.DevHandle;
7614 pr_info(MPT3SAS_FMT
7615 "\tBEFORE adding volume: handle (0x%04x)\n",
7616 ioc->name, volume_pg1.DevHandle);
7617 _scsih_sas_volume_add(ioc, &element);
7618 pr_info(MPT3SAS_FMT
7619 "\tAFTER adding volume: handle (0x%04x)\n",
7620 ioc->name, volume_pg1.DevHandle);
7621 }
7622 }
7623
7624 pr_info(MPT3SAS_FMT "\tscan devices: volumes complete\n",
7625 ioc->name);
7626
7627 skip_to_sas:
7628
7629 pr_info(MPT3SAS_FMT "\tscan devices: end devices start\n",
7630 ioc->name);
7631
7632 /* sas devices */
7633 handle = 0xFFFF;
7634 while (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
7635 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
7636 handle))) {
7637 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7638 MPI2_IOCSTATUS_MASK;
f92363d1
SR		 7639 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7640 pr_info(MPT3SAS_FMT "\tbreak from end device scan:"\
7641 " ioc_status(0x%04x), loginfo(0x%08x)\n",
7642 ioc->name, ioc_status,
7643 le32_to_cpu(mpi_reply.IOCLogInfo));
7644 break;
7645 }
7646 handle = le16_to_cpu(sas_device_pg0.DevHandle);
7647 if (!(_scsih_is_end_device(
7648 le32_to_cpu(sas_device_pg0.DeviceInfo))))
7649 continue;
d1cb5e49 7650 sas_device = mpt3sas_get_sdev_by_addr(ioc,
f92363d1 7651 le64_to_cpu(sas_device_pg0.SASAddress));
d1cb5e49
SR		 7652 if (sas_device) {
7653 sas_device_put(sas_device);
f92363d1 7654 continue;
d1cb5e49 7655 }
f92363d1
SR		 7656 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
7657 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) {
7658 pr_info(MPT3SAS_FMT "\tBEFORE adding end device: " \
7659 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name,
7660 handle, (unsigned long long)
7661 le64_to_cpu(sas_device_pg0.SASAddress));
7662 mpt3sas_transport_update_links(ioc, sas_address, handle,
7663 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
7664 retry_count = 0;
7665 /* This will retry adding the end device.
7666 * _scsih_add_device() will decide on retries and
7667 * return "1" when it should be retried
7668 */
7669 while (_scsih_add_device(ioc, handle, retry_count++,
7670 0)) {
7671 ssleep(1);
7672 }
7673 pr_info(MPT3SAS_FMT "\tAFTER adding end device: " \
7674 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name,
7675 handle, (unsigned long long)
7676 le64_to_cpu(sas_device_pg0.SASAddress));
7677 }
7678 }
7679 pr_info(MPT3SAS_FMT "\tscan devices: end devices complete\n",
7680 ioc->name);
7681
7682 pr_info(MPT3SAS_FMT "scan devices: complete\n", ioc->name);
7683}
7684/**
7685 * mpt3sas_scsih_reset_handler - reset callback handler (for scsih)
7686 * @ioc: per adapter object
7687 * @reset_phase: phase
7688 *
7689 * The handler for doing any required cleanup or initialization.
7690 *
7691 * The reset phase can be MPT3_IOC_PRE_RESET, MPT3_IOC_AFTER_RESET,
7692 * MPT3_IOC_DONE_RESET
7693 *
7694 * Return nothing.
7695 */
7696void
7697mpt3sas_scsih_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase)
7698{
7699 switch (reset_phase) {
7700 case MPT3_IOC_PRE_RESET:
7701 dtmprintk(ioc, pr_info(MPT3SAS_FMT
7702 "%s: MPT3_IOC_PRE_RESET\n", ioc->name, __func__));
7703 break;
7704 case MPT3_IOC_AFTER_RESET:
7705 dtmprintk(ioc, pr_info(MPT3SAS_FMT
7706 "%s: MPT3_IOC_AFTER_RESET\n", ioc->name, __func__));
7707 if (ioc->scsih_cmds.status & MPT3_CMD_PENDING) {
7708 ioc->scsih_cmds.status |= MPT3_CMD_RESET;
7709 mpt3sas_base_free_smid(ioc, ioc->scsih_cmds.smid);
7710 complete(&ioc->scsih_cmds.done);
7711 }
7712 if (ioc->tm_cmds.status & MPT3_CMD_PENDING) {
7713 ioc->tm_cmds.status |= MPT3_CMD_RESET;
7714 mpt3sas_base_free_smid(ioc, ioc->tm_cmds.smid);
7715 complete(&ioc->tm_cmds.done);
7716 }
7717
7718 _scsih_fw_event_cleanup_queue(ioc);
7719 _scsih_flush_running_cmds(ioc);
7720 break;
7721 case MPT3_IOC_DONE_RESET:
7722 dtmprintk(ioc, pr_info(MPT3SAS_FMT
7723 "%s: MPT3_IOC_DONE_RESET\n", ioc->name, __func__));
7724 if ((!ioc->is_driver_loading) && !(disable_discovery > 0 &&
7725 !ioc->sas_hba.num_phys)) {
7726 _scsih_prep_device_scan(ioc);
7727 _scsih_search_responding_sas_devices(ioc);
7728 _scsih_search_responding_raid_devices(ioc);
7729 _scsih_search_responding_expanders(ioc);
7730 _scsih_error_recovery_delete_devices(ioc);
7731 }
7732 break;
7733 }
7734}
7735
7736/**
7737 * _mpt3sas_fw_work - delayed task for processing firmware events
7738 * @ioc: per adapter object
7739 * @fw_event: The fw_event_work object
7740 * Context: user.
7741 *
7742 * Return nothing.
7743 */
7744static void
7745_mpt3sas_fw_work(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
7746{
146b16c8
SR		 7747 _scsih_fw_event_del_from_list(ioc, fw_event);
7748
f92363d1 7749 /* the queue is being flushed so ignore this event */
146b16c8
SR		 7750 if (ioc->remove_host || ioc->pci_error_recovery) {
7751 fw_event_work_put(fw_event);
f92363d1
SR		 7752 return;
7753 }
7754
7755 switch (fw_event->event) {
7756 case MPT3SAS_PROCESS_TRIGGER_DIAG:
35b62362
JL		 7757 mpt3sas_process_trigger_data(ioc,
7758 (struct SL_WH_TRIGGERS_EVENT_DATA_T *)
7759 fw_event->event_data);
f92363d1
SR		 7760 break;
7761 case MPT3SAS_REMOVE_UNRESPONDING_DEVICES:
146b16c8
SR		 7762 while (scsi_host_in_recovery(ioc->shost) ||
7763 ioc->shost_recovery) {
7764 /*
7765 * If we're unloading, bail. Otherwise, this can become
7766 * an infinite loop.
7767 */
7768 if (ioc->remove_host)
7769 goto out;
f92363d1 7770 ssleep(1);
146b16c8 7771 }
f92363d1
SR		 7772 _scsih_remove_unresponding_sas_devices(ioc);
7773 _scsih_scan_for_devices_after_reset(ioc);
7774 break;
7775 case MPT3SAS_PORT_ENABLE_COMPLETE:
7776 ioc->start_scan = 0;
7777 if (missing_delay[0] != -1 && missing_delay[1] != -1)
7778 mpt3sas_base_update_missing_delay(ioc, missing_delay[0],
7779 missing_delay[1]);
7780 dewtprintk(ioc, pr_info(MPT3SAS_FMT
7781 "port enable: complete from worker thread\n",
7782 ioc->name));
7783 break;
0f624c39
SR		 7784 case MPT3SAS_TURN_ON_PFA_LED:
7785 _scsih_turn_on_pfa_led(ioc, fw_event->device_handle);
f92363d1
SR		 7786 break;
7787 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
7788 _scsih_sas_topology_change_event(ioc, fw_event);
7789 break;
7790 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
7791 _scsih_sas_device_status_change_event(ioc, fw_event);
7792 break;
7793 case MPI2_EVENT_SAS_DISCOVERY:
7794 _scsih_sas_discovery_event(ioc, fw_event);
7795 break;
7796 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
7797 _scsih_sas_broadcast_primitive_event(ioc, fw_event);
7798 break;
7799 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
7800 _scsih_sas_enclosure_dev_status_change_event(ioc,
7801 fw_event);
7802 break;
7803 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
7804 _scsih_sas_ir_config_change_event(ioc, fw_event);
7805 break;
7806 case MPI2_EVENT_IR_VOLUME:
7807 _scsih_sas_ir_volume_event(ioc, fw_event);
7808 break;
7809 case MPI2_EVENT_IR_PHYSICAL_DISK:
7810 _scsih_sas_ir_physical_disk_event(ioc, fw_event);
7811 break;
7812 case MPI2_EVENT_IR_OPERATION_STATUS:
7813 _scsih_sas_ir_operation_status_event(ioc, fw_event);
7814 break;
7815 }
146b16c8
SR		 7816out:
7817 fw_event_work_put(fw_event);
f92363d1
SR		 7818}
7819
7820/**
7821 * _firmware_event_work
7822 * @ioc: per adapter object
7823 * @work: The fw_event_work object
7824 * Context: user.
7825 *
7826 * wrappers for the work thread handling firmware events
7827 *
7828 * Return nothing.
7829 */
7830
7831static void
7832_firmware_event_work(struct work_struct *work)
7833{
7834 struct fw_event_work *fw_event = container_of(work,
7835 struct fw_event_work, work);
7836
7837 _mpt3sas_fw_work(fw_event->ioc, fw_event);
7838}
7839
7840/**
7841 * mpt3sas_scsih_event_callback - firmware event handler (called at ISR time)
7842 * @ioc: per adapter object
7843 * @msix_index: MSIX table index supplied by the OS
7844 * @reply: reply message frame(lower 32bit addr)
7845 * Context: interrupt.
7846 *
7847 * This function merely adds a new work task into ioc->firmware_event_thread.
7848 * The tasks are worked from _firmware_event_work in user context.
7849 *
7850 * Return 1 meaning mf should be freed from _base_interrupt
7851 * 0 means the mf is freed from this function.
7852 */
7853u8
7854mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index,
7855 u32 reply)
7856{
7857 struct fw_event_work *fw_event;
7858 Mpi2EventNotificationReply_t *mpi_reply;
7859 u16 event;
7860 u16 sz;
a470a51c 7861 Mpi26EventDataActiveCableExcept_t *ActiveCableEventData;
f92363d1
SR		 7862
7863 /* events turned off due to host reset or driver unloading */
7864 if (ioc->remove_host || ioc->pci_error_recovery)
7865 return 1;
7866
7867 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
7868
7869 if (unlikely(!mpi_reply)) {
7870 pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n",
7871 ioc->name, __FILE__, __LINE__, __func__);
7872 return 1;
7873 }
7874
7875 event = le16_to_cpu(mpi_reply->Event);
7876
7877 if (event != MPI2_EVENT_LOG_ENTRY_ADDED)
7878 mpt3sas_trigger_event(ioc, event, 0);
7879
7880 switch (event) {
7881 /* handle these */
7882 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
7883 {
7884 Mpi2EventDataSasBroadcastPrimitive_t *baen_data =
7885 (Mpi2EventDataSasBroadcastPrimitive_t *)
7886 mpi_reply->EventData;
7887
7888 if (baen_data->Primitive !=
7889 MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT)
7890 return 1;
7891
7892 if (ioc->broadcast_aen_busy) {
7893 ioc->broadcast_aen_pending++;
7894 return 1;
7895 } else
7896 ioc->broadcast_aen_busy = 1;
7897 break;
7898 }
7899
7900 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
7901 _scsih_check_topo_delete_events(ioc,
7902 (Mpi2EventDataSasTopologyChangeList_t *)
7903 mpi_reply->EventData);
7904 break;
7905 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
7906 _scsih_check_ir_config_unhide_events(ioc,
7907 (Mpi2EventDataIrConfigChangeList_t *)
7908 mpi_reply->EventData);
7909 break;
7910 case MPI2_EVENT_IR_VOLUME:
7911 _scsih_check_volume_delete_events(ioc,
7912 (Mpi2EventDataIrVolume_t *)
7913 mpi_reply->EventData);
7914 break;
7786ab6a
SR		 7915 case MPI2_EVENT_LOG_ENTRY_ADDED:
7916 {
7917 Mpi2EventDataLogEntryAdded_t *log_entry;
7918 u32 *log_code;
7919
7920 if (!ioc->is_warpdrive)
7921 break;
7922
7923 log_entry = (Mpi2EventDataLogEntryAdded_t *)
7924 mpi_reply->EventData;
7925 log_code = (u32 *)log_entry->LogData;
f92363d1 7926
7786ab6a
SR		 7927 if (le16_to_cpu(log_entry->LogEntryQualifier)
7928 != MPT2_WARPDRIVE_LOGENTRY)
7929 break;
7930
7931 switch (le32_to_cpu(*log_code)) {
7932 case MPT2_WARPDRIVE_LC_SSDT:
7933 pr_warn(MPT3SAS_FMT "WarpDrive Warning: "
7934 "IO Throttling has occurred in the WarpDrive "
7935 "subsystem. Check WarpDrive documentation for "
7936 "additional details.\n", ioc->name);
7937 break;
7938 case MPT2_WARPDRIVE_LC_SSDLW:
7939 pr_warn(MPT3SAS_FMT "WarpDrive Warning: "
7940 "Program/Erase Cycles for the WarpDrive subsystem "
7941 "in degraded range. Check WarpDrive documentation "
7942 "for additional details.\n", ioc->name);
7943 break;
7944 case MPT2_WARPDRIVE_LC_SSDLF:
7945 pr_err(MPT3SAS_FMT "WarpDrive Fatal Error: "
7946 "There are no Program/Erase Cycles for the "
7947 "WarpDrive subsystem. The storage device will be "
7948 "in read-only mode. Check WarpDrive documentation "
7949 "for additional details.\n", ioc->name);
7950 break;
7951 case MPT2_WARPDRIVE_LC_BRMF:
7952 pr_err(MPT3SAS_FMT "WarpDrive Fatal Error: "
7953 "The Backup Rail Monitor has failed on the "
7954 "WarpDrive subsystem. Check WarpDrive "
7955 "documentation for additional details.\n",
7956 ioc->name);
7957 break;
7958 }
7959
7960 break;
7961 }
f92363d1
SR		 7962 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
7963 case MPI2_EVENT_IR_OPERATION_STATUS:
7964 case MPI2_EVENT_SAS_DISCOVERY:
7965 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
7966 case MPI2_EVENT_IR_PHYSICAL_DISK:
7967 break;
7968
2d8ce8c9
SR		 7969 case MPI2_EVENT_TEMP_THRESHOLD:
7970 _scsih_temp_threshold_events(ioc,
7971 (Mpi2EventDataTemperature_t *)
7972 mpi_reply->EventData);
7973 break;
a470a51c
C		 7974 case MPI2_EVENT_ACTIVE_CABLE_EXCEPTION:
7975 ActiveCableEventData =
7976 (Mpi26EventDataActiveCableExcept_t *) mpi_reply->EventData;
7977 if (ActiveCableEventData->ReasonCode ==
7ebd67e0 7978 MPI26_EVENT_ACTIVE_CABLE_INSUFFICIENT_POWER) {
a470a51c
C		 7979 pr_info(MPT3SAS_FMT "Currently an active cable with ReceptacleID %d",
7980 ioc->name, ActiveCableEventData->ReceptacleID);
7981 pr_info("cannot be powered and devices connected to this active cable");
7982 pr_info("will not be seen. This active cable");
7983 pr_info("requires %d mW of power",
7984 ActiveCableEventData->ActiveCablePowerRequirement);
7ebd67e0 7985 }
a470a51c 7986 break;
2d8ce8c9 7987
f92363d1
SR		 7988 default: /* ignore the rest */
7989 return 1;
7990 }
7991
f92363d1 7992 sz = le16_to_cpu(mpi_reply->EventDataLength) * 4;
146b16c8 7993 fw_event = alloc_fw_event_work(sz);
35b62362 7994 if (!fw_event) {
f92363d1
SR		 7995 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
7996 ioc->name, __FILE__, __LINE__, __func__);
f92363d1
SR		 7997 return 1;
7998 }
7999
8000 memcpy(fw_event->event_data, mpi_reply->EventData, sz);
8001 fw_event->ioc = ioc;
8002 fw_event->VF_ID = mpi_reply->VF_ID;
8003 fw_event->VP_ID = mpi_reply->VP_ID;
8004 fw_event->event = event;
8005 _scsih_fw_event_add(ioc, fw_event);
146b16c8 8006 fw_event_work_put(fw_event);
f92363d1
SR		 8007 return 1;
8008}
8009
f92363d1
SR		 8010/**
8011 * _scsih_expander_node_remove - removing expander device from list.
8012 * @ioc: per adapter object
8013 * @sas_expander: the sas_device object
8014 * Context: Calling function should acquire ioc->sas_node_lock.
8015 *
8016 * Removing object and freeing associated memory from the
8017 * ioc->sas_expander_list.
8018 *
8019 * Return nothing.
8020 */
8021static void
8022_scsih_expander_node_remove(struct MPT3SAS_ADAPTER *ioc,
8023 struct _sas_node *sas_expander)
8024{
8025 struct _sas_port *mpt3sas_port, *next;
8026
8027 /* remove sibling ports attached to this expander */
8028 list_for_each_entry_safe(mpt3sas_port, next,
8029 &sas_expander->sas_port_list, port_list) {
8030 if (ioc->shost_recovery)
8031 return;
8032 if (mpt3sas_port->remote_identify.device_type ==
8033 SAS_END_DEVICE)
8034 mpt3sas_device_remove_by_sas_address(ioc,
8035 mpt3sas_port->remote_identify.sas_address);
8036 else if (mpt3sas_port->remote_identify.device_type ==
8037 SAS_EDGE_EXPANDER_DEVICE ||
8038 mpt3sas_port->remote_identify.device_type ==
8039 SAS_FANOUT_EXPANDER_DEVICE)
8040 mpt3sas_expander_remove(ioc,
8041 mpt3sas_port->remote_identify.sas_address);
8042 }
8043
8044 mpt3sas_transport_port_remove(ioc, sas_expander->sas_address,
8045 sas_expander->sas_address_parent);
8046
8047 pr_info(MPT3SAS_FMT
8048 "expander_remove: handle(0x%04x), sas_addr(0x%016llx)\n",
8049 ioc->name,
8050 sas_expander->handle, (unsigned long long)
8051 sas_expander->sas_address);
8052
8053 kfree(sas_expander->phy);
8054 kfree(sas_expander);
8055}
8056
8057/**
8058 * _scsih_ir_shutdown - IR shutdown notification
8059 * @ioc: per adapter object
8060 *
8061 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
8062 * the host system is shutting down.
8063 *
8064 * Return nothing.
8065 */
8066static void
8067_scsih_ir_shutdown(struct MPT3SAS_ADAPTER *ioc)
8068{
8069 Mpi2RaidActionRequest_t *mpi_request;
8070 Mpi2RaidActionReply_t *mpi_reply;
8071 u16 smid;
8072
8073 /* is IR firmware build loaded ? */
8074 if (!ioc->ir_firmware)
8075 return;
8076
8077 /* are there any volumes ? */
8078 if (list_empty(&ioc->raid_device_list))
8079 return;
8080
8081 mutex_lock(&ioc->scsih_cmds.mutex);
8082
8083 if (ioc->scsih_cmds.status != MPT3_CMD_NOT_USED) {
8084 pr_err(MPT3SAS_FMT "%s: scsih_cmd in use\n",
8085 ioc->name, __func__);
8086 goto out;
8087 }
8088 ioc->scsih_cmds.status = MPT3_CMD_PENDING;
8089
8090 smid = mpt3sas_base_get_smid(ioc, ioc->scsih_cb_idx);
8091 if (!smid) {
8092 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
8093 ioc->name, __func__);
8094 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
8095 goto out;
8096 }
8097
8098 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
8099 ioc->scsih_cmds.smid = smid;
8100 memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t));
8101
8102 mpi_request->Function = MPI2_FUNCTION_RAID_ACTION;
8103 mpi_request->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
8104
7786ab6a
SR		 8105 if (!ioc->hide_ir_msg)
8106 pr_info(MPT3SAS_FMT "IR shutdown (sending)\n", ioc->name);
f92363d1
SR		 8107 init_completion(&ioc->scsih_cmds.done);
8108 mpt3sas_base_put_smid_default(ioc, smid);
8109 wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ);
8110
8111 if (!(ioc->scsih_cmds.status & MPT3_CMD_COMPLETE)) {
8112 pr_err(MPT3SAS_FMT "%s: timeout\n",
8113 ioc->name, __func__);
8114 goto out;
8115 }
8116
8117 if (ioc->scsih_cmds.status & MPT3_CMD_REPLY_VALID) {
8118 mpi_reply = ioc->scsih_cmds.reply;
7786ab6a
SR		 8119 if (!ioc->hide_ir_msg)
8120 pr_info(MPT3SAS_FMT "IR shutdown "
8121 "(complete): ioc_status(0x%04x), loginfo(0x%08x)\n",
8122 ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
8123 le32_to_cpu(mpi_reply->IOCLogInfo));
f92363d1
SR		 8124 }
8125
8126 out:
8127 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
8128 mutex_unlock(&ioc->scsih_cmds.mutex);
8129}
8130
8131/**
8a7e4c24 8132 * scsih_remove - detach and remove add host
f92363d1
SR		 8133 * @pdev: PCI device struct
8134 *
8135 * Routine called when unloading the driver.
8136 * Return nothing.
8137 */
8a7e4c24 8138void scsih_remove(struct pci_dev *pdev)
f92363d1
SR		 8139{
8140 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8141 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8142 struct _sas_port *mpt3sas_port, *next_port;
8143 struct _raid_device *raid_device, *next;
8144 struct MPT3SAS_TARGET *sas_target_priv_data;
8145 struct workqueue_struct *wq;
8146 unsigned long flags;
8147
8148 ioc->remove_host = 1;
8149 _scsih_fw_event_cleanup_queue(ioc);
8150
8151 spin_lock_irqsave(&ioc->fw_event_lock, flags);
8152 wq = ioc->firmware_event_thread;
8153 ioc->firmware_event_thread = NULL;
8154 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
8155 if (wq)
8156 destroy_workqueue(wq);
8157
8158 /* release all the volumes */
8159 _scsih_ir_shutdown(ioc);
8160 list_for_each_entry_safe(raid_device, next, &ioc->raid_device_list,
8161 list) {
8162 if (raid_device->starget) {
8163 sas_target_priv_data =
8164 raid_device->starget->hostdata;
8165 sas_target_priv_data->deleted = 1;
8166 scsi_remove_target(&raid_device->starget->dev);
8167 }
8168 pr_info(MPT3SAS_FMT "removing handle(0x%04x), wwid(0x%016llx)\n",
8169 ioc->name, raid_device->handle,
8170 (unsigned long long) raid_device->wwid);
8171 _scsih_raid_device_remove(ioc, raid_device);
8172 }
8173
8174 /* free ports attached to the sas_host */
8175 list_for_each_entry_safe(mpt3sas_port, next_port,
8176 &ioc->sas_hba.sas_port_list, port_list) {
8177 if (mpt3sas_port->remote_identify.device_type ==
8178 SAS_END_DEVICE)
8179 mpt3sas_device_remove_by_sas_address(ioc,
8180 mpt3sas_port->remote_identify.sas_address);
8181 else if (mpt3sas_port->remote_identify.device_type ==
8182 SAS_EDGE_EXPANDER_DEVICE ||
8183 mpt3sas_port->remote_identify.device_type ==
8184 SAS_FANOUT_EXPANDER_DEVICE)
8185 mpt3sas_expander_remove(ioc,
8186 mpt3sas_port->remote_identify.sas_address);
8187 }
8188
8189 /* free phys attached to the sas_host */
8190 if (ioc->sas_hba.num_phys) {
8191 kfree(ioc->sas_hba.phy);
8192 ioc->sas_hba.phy = NULL;
8193 ioc->sas_hba.num_phys = 0;
8194 }
8195
8196 sas_remove_host(shost);
4dc06fd8 8197 scsi_remove_host(shost);
f92363d1 8198 mpt3sas_base_detach(ioc);
08c4d550 8199 spin_lock(&gioc_lock);
f92363d1 8200 list_del(&ioc->list);
08c4d550 8201 spin_unlock(&gioc_lock);
f92363d1
SR		 8202 scsi_host_put(shost);
8203}
8204
8205/**
8a7e4c24 8206 * scsih_shutdown - routine call during system shutdown
f92363d1
SR		 8207 * @pdev: PCI device struct
8208 *
8209 * Return nothing.
8210 */
8a7e4c24
SR		 8211void
8212scsih_shutdown(struct pci_dev *pdev)
f92363d1
SR		 8213{
8214 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8215 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8216 struct workqueue_struct *wq;
8217 unsigned long flags;
8218
8219 ioc->remove_host = 1;
8220 _scsih_fw_event_cleanup_queue(ioc);
8221
8222 spin_lock_irqsave(&ioc->fw_event_lock, flags);
8223 wq = ioc->firmware_event_thread;
8224 ioc->firmware_event_thread = NULL;
8225 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
8226 if (wq)
8227 destroy_workqueue(wq);
8228
8229 _scsih_ir_shutdown(ioc);
8230 mpt3sas_base_detach(ioc);
8231}
8232
8233
8234/**
8235 * _scsih_probe_boot_devices - reports 1st device
8236 * @ioc: per adapter object
8237 *
8238 * If specified in bios page 2, this routine reports the 1st
8239 * device scsi-ml or sas transport for persistent boot device
8240 * purposes. Please refer to function _scsih_determine_boot_device()
8241 */
8242static void
8243_scsih_probe_boot_devices(struct MPT3SAS_ADAPTER *ioc)
8244{
8245 u8 is_raid;
8246 void *device;
8247 struct _sas_device *sas_device;
8248 struct _raid_device *raid_device;
8249 u16 handle;
8250 u64 sas_address_parent;
8251 u64 sas_address;
8252 unsigned long flags;
8253 int rc;
8254
8255 /* no Bios, return immediately */
8256 if (!ioc->bios_pg3.BiosVersion)
8257 return;
8258
8259 device = NULL;
8260 is_raid = 0;
8261 if (ioc->req_boot_device.device) {
8262 device = ioc->req_boot_device.device;
8263 is_raid = ioc->req_boot_device.is_raid;
8264 } else if (ioc->req_alt_boot_device.device) {
8265 device = ioc->req_alt_boot_device.device;
8266 is_raid = ioc->req_alt_boot_device.is_raid;
8267 } else if (ioc->current_boot_device.device) {
8268 device = ioc->current_boot_device.device;
8269 is_raid = ioc->current_boot_device.is_raid;
8270 }
8271
8272 if (!device)
8273 return;
8274
8275 if (is_raid) {
8276 raid_device = device;
8277 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
8278 raid_device->id, 0);
8279 if (rc)
8280 _scsih_raid_device_remove(ioc, raid_device);
8281 } else {
8282 spin_lock_irqsave(&ioc->sas_device_lock, flags);
8283 sas_device = device;
8284 handle = sas_device->handle;
8285 sas_address_parent = sas_device->sas_address_parent;
8286 sas_address = sas_device->sas_address;
8287 list_move_tail(&sas_device->list, &ioc->sas_device_list);
8288 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
8289
7786ab6a
SR		 8290 if (ioc->hide_drives)
8291 return;
f92363d1
SR		 8292 if (!mpt3sas_transport_port_add(ioc, handle,
8293 sas_address_parent)) {
8294 _scsih_sas_device_remove(ioc, sas_device);
8295 } else if (!sas_device->starget) {
f5edbe77
SR		 8296 if (!ioc->is_driver_loading) {
8297 mpt3sas_transport_port_remove(ioc,
8298 sas_address,
f92363d1 8299 sas_address_parent);
f5edbe77
SR		 8300 _scsih_sas_device_remove(ioc, sas_device);
8301 }
f92363d1
SR		 8302 }
8303 }
8304}
8305
8306/**
8307 * _scsih_probe_raid - reporting raid volumes to scsi-ml
8308 * @ioc: per adapter object
8309 *
8310 * Called during initial loading of the driver.
8311 */
8312static void
8313_scsih_probe_raid(struct MPT3SAS_ADAPTER *ioc)
8314{
8315 struct _raid_device *raid_device, *raid_next;
8316 int rc;
8317
8318 list_for_each_entry_safe(raid_device, raid_next,
8319 &ioc->raid_device_list, list) {
8320 if (raid_device->starget)
8321 continue;
8322 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
8323 raid_device->id, 0);
8324 if (rc)
8325 _scsih_raid_device_remove(ioc, raid_device);
8326 }
8327}
8328
d1cb5e49
SR		 8329static struct _sas_device *get_next_sas_device(struct MPT3SAS_ADAPTER *ioc)
8330{
8331 struct _sas_device *sas_device = NULL;
8332 unsigned long flags;
8333
8334 spin_lock_irqsave(&ioc->sas_device_lock, flags);
8335 if (!list_empty(&ioc->sas_device_init_list)) {
8336 sas_device = list_first_entry(&ioc->sas_device_init_list,
8337 struct _sas_device, list);
8338 sas_device_get(sas_device);
8339 }
8340 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
8341
8342 return sas_device;
8343}
8344
8345static void sas_device_make_active(struct MPT3SAS_ADAPTER *ioc,
8346 struct _sas_device *sas_device)
8347{
8348 unsigned long flags;
8349
8350 spin_lock_irqsave(&ioc->sas_device_lock, flags);
8351
8352 /*
8353 * Since we dropped the lock during the call to port_add(), we need to
8354 * be careful here that somebody else didn't move or delete this item
8355 * while we were busy with other things.
8356 *
8357 * If it was on the list, we need a put() for the reference the list
8358 * had. Either way, we need a get() for the destination list.
8359 */
8360 if (!list_empty(&sas_device->list)) {
8361 list_del_init(&sas_device->list);
8362 sas_device_put(sas_device);
8363 }
8364
8365 sas_device_get(sas_device);
8366 list_add_tail(&sas_device->list, &ioc->sas_device_list);
8367
8368 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
8369}
8370
f92363d1
SR		 8371/**
8372 * _scsih_probe_sas - reporting sas devices to sas transport
8373 * @ioc: per adapter object
8374 *
8375 * Called during initial loading of the driver.
8376 */
8377static void
8378_scsih_probe_sas(struct MPT3SAS_ADAPTER *ioc)
8379{
d1cb5e49 8380 struct _sas_device *sas_device;
f92363d1 8381
d1cb5e49
SR		 8382 if (ioc->hide_drives)
8383 return;
7786ab6a 8384
d1cb5e49 8385 while ((sas_device = get_next_sas_device(ioc))) {
f92363d1
SR		 8386 if (!mpt3sas_transport_port_add(ioc, sas_device->handle,
8387 sas_device->sas_address_parent)) {
d1cb5e49
SR		 8388 _scsih_sas_device_remove(ioc, sas_device);
8389 sas_device_put(sas_device);
f92363d1
SR		 8390 continue;
8391 } else if (!sas_device->starget) {
8392 /*
8393 * When asyn scanning is enabled, its not possible to
8394 * remove devices while scanning is turned on due to an
8395 * oops in scsi_sysfs_add_sdev()->add_device()->
8396 * sysfs_addrm_start()
8397 */
f5edbe77 8398 if (!ioc->is_driver_loading) {
f92363d1
SR		 8399 mpt3sas_transport_port_remove(ioc,
8400 sas_device->sas_address,
8401 sas_device->sas_address_parent);
d1cb5e49
SR		 8402 _scsih_sas_device_remove(ioc, sas_device);
8403 sas_device_put(sas_device);
f5edbe77
SR		 8404 continue;
8405 }
f92363d1 8406 }
d1cb5e49
SR		 8407 sas_device_make_active(ioc, sas_device);
8408 sas_device_put(sas_device);
f92363d1
SR		 8409 }
8410}
8411
8412/**
8413 * _scsih_probe_devices - probing for devices
8414 * @ioc: per adapter object
8415 *
8416 * Called during initial loading of the driver.
8417 */
8418static void
8419_scsih_probe_devices(struct MPT3SAS_ADAPTER *ioc)
8420{
8421 u16 volume_mapping_flags;
8422
8423 if (!(ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR))
8424 return; /* return when IOC doesn't support initiator mode */
8425
8426 _scsih_probe_boot_devices(ioc);
8427
8428 if (ioc->ir_firmware) {
8429 volume_mapping_flags =
8430 le16_to_cpu(ioc->ioc_pg8.IRVolumeMappingFlags) &
8431 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
8432 if (volume_mapping_flags ==
8433 MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
8434 _scsih_probe_raid(ioc);
8435 _scsih_probe_sas(ioc);
8436 } else {
8437 _scsih_probe_sas(ioc);
8438 _scsih_probe_raid(ioc);
8439 }
8440 } else
8441 _scsih_probe_sas(ioc);
8442}
8443
8444/**
8a7e4c24 8445 * scsih_scan_start - scsi lld callback for .scan_start
f92363d1
SR		 8446 * @shost: SCSI host pointer
8447 *
8448 * The shost has the ability to discover targets on its own instead
8449 * of scanning the entire bus. In our implemention, we will kick off
8450 * firmware discovery.
8451 */
8a7e4c24
SR		 8452void
8453scsih_scan_start(struct Scsi_Host *shost)
f92363d1
SR		 8454{
8455 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8456 int rc;
8457 if (diag_buffer_enable != -1 && diag_buffer_enable != 0)
8458 mpt3sas_enable_diag_buffer(ioc, diag_buffer_enable);
8459
8460 if (disable_discovery > 0)
8461 return;
8462
8463 ioc->start_scan = 1;
8464 rc = mpt3sas_port_enable(ioc);
8465
8466 if (rc != 0)
8467 pr_info(MPT3SAS_FMT "port enable: FAILED\n", ioc->name);
8468}
8469
8470/**
8a7e4c24 8471 * scsih_scan_finished - scsi lld callback for .scan_finished
f92363d1
SR		 8472 * @shost: SCSI host pointer
8473 * @time: elapsed time of the scan in jiffies
8474 *
8475 * This function will be called periodicallyn until it returns 1 with the
8476 * scsi_host and the elapsed time of the scan in jiffies. In our implemention,
8477 * we wait for firmware discovery to complete, then return 1.
8478 */
8a7e4c24
SR		 8479int
8480scsih_scan_finished(struct Scsi_Host *shost, unsigned long time)
f92363d1
SR		 8481{
8482 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8483
8484 if (disable_discovery > 0) {
8485 ioc->is_driver_loading = 0;
8486 ioc->wait_for_discovery_to_complete = 0;
8487 return 1;
8488 }
8489
8490 if (time >= (300 * HZ)) {
8491 ioc->base_cmds.status = MPT3_CMD_NOT_USED;
8492 pr_info(MPT3SAS_FMT
8493 "port enable: FAILED with timeout (timeout=300s)\n",
8494 ioc->name);
8495 ioc->is_driver_loading = 0;
8496 return 1;
8497 }
8498
8499 if (ioc->start_scan)
8500 return 0;
8501
8502 if (ioc->start_scan_failed) {
8503 pr_info(MPT3SAS_FMT
8504 "port enable: FAILED with (ioc_status=0x%08x)\n",
8505 ioc->name, ioc->start_scan_failed);
8506 ioc->is_driver_loading = 0;
8507 ioc->wait_for_discovery_to_complete = 0;
8508 ioc->remove_host = 1;
8509 return 1;
8510 }
8511
8512 pr_info(MPT3SAS_FMT "port enable: SUCCESS\n", ioc->name);
8513 ioc->base_cmds.status = MPT3_CMD_NOT_USED;
8514
8515 if (ioc->wait_for_discovery_to_complete) {
8516 ioc->wait_for_discovery_to_complete = 0;
8517 _scsih_probe_devices(ioc);
8518 }
8519 mpt3sas_base_start_watchdog(ioc);
8520 ioc->is_driver_loading = 0;
8521 return 1;
8522}
8523
c84b06a4
SR		 8524/* shost template for SAS 2.0 HBA devices */
8525static struct scsi_host_template mpt2sas_driver_template = {
8526 .module = THIS_MODULE,
8527 .name = "Fusion MPT SAS Host",
8528 .proc_name = MPT2SAS_DRIVER_NAME,
8529 .queuecommand = scsih_qcmd,
8530 .target_alloc = scsih_target_alloc,
8531 .slave_alloc = scsih_slave_alloc,
8532 .slave_configure = scsih_slave_configure,
8533 .target_destroy = scsih_target_destroy,
8534 .slave_destroy = scsih_slave_destroy,
8535 .scan_finished = scsih_scan_finished,
8536 .scan_start = scsih_scan_start,
8537 .change_queue_depth = scsih_change_queue_depth,
8538 .eh_abort_handler = scsih_abort,
8539 .eh_device_reset_handler = scsih_dev_reset,
8540 .eh_target_reset_handler = scsih_target_reset,
8541 .eh_host_reset_handler = scsih_host_reset,
8542 .bios_param = scsih_bios_param,
8543 .can_queue = 1,
8544 .this_id = -1,
8545 .sg_tablesize = MPT2SAS_SG_DEPTH,
8546 .max_sectors = 32767,
8547 .cmd_per_lun = 7,
8548 .use_clustering = ENABLE_CLUSTERING,
8549 .shost_attrs = mpt3sas_host_attrs,
8550 .sdev_attrs = mpt3sas_dev_attrs,
8551 .track_queue_depth = 1,
8552};
8553
8554/* raid transport support for SAS 2.0 HBA devices */
8555static struct raid_function_template mpt2sas_raid_functions = {
8556 .cookie = &mpt2sas_driver_template,
8557 .is_raid = scsih_is_raid,
8558 .get_resync = scsih_get_resync,
8559 .get_state = scsih_get_state,
8560};
d357e84d 8561
c84b06a4
SR		 8562/* shost template for SAS 3.0 HBA devices */
8563static struct scsi_host_template mpt3sas_driver_template = {
8564 .module = THIS_MODULE,
8565 .name = "Fusion MPT SAS Host",
8566 .proc_name = MPT3SAS_DRIVER_NAME,
8567 .queuecommand = scsih_qcmd,
8568 .target_alloc = scsih_target_alloc,
8569 .slave_alloc = scsih_slave_alloc,
8570 .slave_configure = scsih_slave_configure,
8571 .target_destroy = scsih_target_destroy,
8572 .slave_destroy = scsih_slave_destroy,
8573 .scan_finished = scsih_scan_finished,
8574 .scan_start = scsih_scan_start,
8575 .change_queue_depth = scsih_change_queue_depth,
8576 .eh_abort_handler = scsih_abort,
8577 .eh_device_reset_handler = scsih_dev_reset,
8578 .eh_target_reset_handler = scsih_target_reset,
8579 .eh_host_reset_handler = scsih_host_reset,
8580 .bios_param = scsih_bios_param,
8581 .can_queue = 1,
8582 .this_id = -1,
8583 .sg_tablesize = MPT3SAS_SG_DEPTH,
8584 .max_sectors = 32767,
8585 .cmd_per_lun = 7,
8586 .use_clustering = ENABLE_CLUSTERING,
8587 .shost_attrs = mpt3sas_host_attrs,
8588 .sdev_attrs = mpt3sas_dev_attrs,
8589 .track_queue_depth = 1,
8590};
8591
8592/* raid transport support for SAS 3.0 HBA devices */
8593static struct raid_function_template mpt3sas_raid_functions = {
8594 .cookie = &mpt3sas_driver_template,
8595 .is_raid = scsih_is_raid,
8596 .get_resync = scsih_get_resync,
8597 .get_state = scsih_get_state,
8598};
8599
8600/**
8601 * _scsih_determine_hba_mpi_version - determine in which MPI version class
8602 * this device belongs to.
8603 * @pdev: PCI device struct
8604 *
8605 * return MPI2_VERSION for SAS 2.0 HBA devices,
b130b0d5
SS		 8606 * MPI25_VERSION for SAS 3.0 HBA devices, and
8607 * MPI26 VERSION for Cutlass & Invader SAS 3.0 HBA devices
c84b06a4
SR		 8608 */
8609u16
8610_scsih_determine_hba_mpi_version(struct pci_dev *pdev)
8611{
8612
8613 switch (pdev->device) {
7786ab6a 8614 case MPI2_MFGPAGE_DEVID_SSS6200:
d357e84d
SR		 8615 case MPI2_MFGPAGE_DEVID_SAS2004:
8616 case MPI2_MFGPAGE_DEVID_SAS2008:
8617 case MPI2_MFGPAGE_DEVID_SAS2108_1:
8618 case MPI2_MFGPAGE_DEVID_SAS2108_2:
8619 case MPI2_MFGPAGE_DEVID_SAS2108_3:
8620 case MPI2_MFGPAGE_DEVID_SAS2116_1:
8621 case MPI2_MFGPAGE_DEVID_SAS2116_2:
8622 case MPI2_MFGPAGE_DEVID_SAS2208_1:
8623 case MPI2_MFGPAGE_DEVID_SAS2208_2:
8624 case MPI2_MFGPAGE_DEVID_SAS2208_3:
8625 case MPI2_MFGPAGE_DEVID_SAS2208_4:
8626 case MPI2_MFGPAGE_DEVID_SAS2208_5:
8627 case MPI2_MFGPAGE_DEVID_SAS2208_6:
8628 case MPI2_MFGPAGE_DEVID_SAS2308_1:
8629 case MPI2_MFGPAGE_DEVID_SAS2308_2:
8630 case MPI2_MFGPAGE_DEVID_SAS2308_3:
c84b06a4 8631 return MPI2_VERSION;
d357e84d
SR		 8632 case MPI25_MFGPAGE_DEVID_SAS3004:
8633 case MPI25_MFGPAGE_DEVID_SAS3008:
8634 case MPI25_MFGPAGE_DEVID_SAS3108_1:
8635 case MPI25_MFGPAGE_DEVID_SAS3108_2:
8636 case MPI25_MFGPAGE_DEVID_SAS3108_5:
8637 case MPI25_MFGPAGE_DEVID_SAS3108_6:
c84b06a4 8638 return MPI25_VERSION;
b130b0d5
SS		 8639 case MPI26_MFGPAGE_DEVID_SAS3216:
8640 case MPI26_MFGPAGE_DEVID_SAS3224:
8641 case MPI26_MFGPAGE_DEVID_SAS3316_1:
8642 case MPI26_MFGPAGE_DEVID_SAS3316_2:
8643 case MPI26_MFGPAGE_DEVID_SAS3316_3:
8644 case MPI26_MFGPAGE_DEVID_SAS3316_4:
8645 case MPI26_MFGPAGE_DEVID_SAS3324_1:
8646 case MPI26_MFGPAGE_DEVID_SAS3324_2:
8647 case MPI26_MFGPAGE_DEVID_SAS3324_3:
8648 case MPI26_MFGPAGE_DEVID_SAS3324_4:
8649 return MPI26_VERSION;
d357e84d 8650 }
c84b06a4 8651 return 0;
d357e84d
SR		 8652}
8653
f92363d1 8654/**
c84b06a4 8655 * _scsih_probe - attach and add scsi host
f92363d1
SR		 8656 * @pdev: PCI device struct
8657 * @id: pci device id
8658 *
8659 * Returns 0 success, anything else error.
8660 */
8a7e4c24 8661int
c84b06a4 8662_scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
f92363d1
SR		 8663{
8664 struct MPT3SAS_ADAPTER *ioc;
c84b06a4 8665 struct Scsi_Host *shost = NULL;
b65f1d4d 8666 int rv;
c84b06a4
SR		 8667 u16 hba_mpi_version;
8668
8669 /* Determine in which MPI version class this pci device belongs */
8670 hba_mpi_version = _scsih_determine_hba_mpi_version(pdev);
8671 if (hba_mpi_version == 0)
8672 return -ENODEV;
8673
8674 /* Enumerate only SAS 2.0 HBA's if hbas_to_enumerate is one,
8675 * for other generation HBA's return with -ENODEV
8676 */
8677 if ((hbas_to_enumerate == 1) && (hba_mpi_version != MPI2_VERSION))
8678 return -ENODEV;
8679
8680 /* Enumerate only SAS 3.0 HBA's if hbas_to_enumerate is two,
8681 * for other generation HBA's return with -ENODEV
8682 */
b130b0d5
SS		 8683 if ((hbas_to_enumerate == 2) && (!(hba_mpi_version == MPI25_VERSION
8684 || hba_mpi_version == MPI26_VERSION)))
c84b06a4
SR		 8685 return -ENODEV;
8686
8687 switch (hba_mpi_version) {
8688 case MPI2_VERSION:
8689 /* Use mpt2sas driver host template for SAS 2.0 HBA's */
8690 shost = scsi_host_alloc(&mpt2sas_driver_template,
8691 sizeof(struct MPT3SAS_ADAPTER));
8692 if (!shost)
8693 return -ENODEV;
8694 ioc = shost_priv(shost);
8695 memset(ioc, 0, sizeof(struct MPT3SAS_ADAPTER));
8696 ioc->hba_mpi_version_belonged = hba_mpi_version;
8697 ioc->id = mpt2_ids++;
8698 sprintf(ioc->driver_name, "%s", MPT2SAS_DRIVER_NAME);
8699 if (pdev->device == MPI2_MFGPAGE_DEVID_SSS6200) {
8700 ioc->is_warpdrive = 1;
8701 ioc->hide_ir_msg = 1;
8702 } else
8703 ioc->mfg_pg10_hide_flag = MFG_PAGE10_EXPOSE_ALL_DISKS;
8704 break;
8705 case MPI25_VERSION:
b130b0d5 8706 case MPI26_VERSION:
c84b06a4
SR		 8707 /* Use mpt3sas driver host template for SAS 3.0 HBA's */
8708 shost = scsi_host_alloc(&mpt3sas_driver_template,
8709 sizeof(struct MPT3SAS_ADAPTER));
8710 if (!shost)
8711 return -ENODEV;
8712 ioc = shost_priv(shost);
8713 memset(ioc, 0, sizeof(struct MPT3SAS_ADAPTER));
8714 ioc->hba_mpi_version_belonged = hba_mpi_version;
8715 ioc->id = mpt3_ids++;
8716 sprintf(ioc->driver_name, "%s", MPT3SAS_DRIVER_NAME);
b130b0d5
SS		 8717 if ((ioc->hba_mpi_version_belonged == MPI25_VERSION &&
8718 pdev->revision >= SAS3_PCI_DEVICE_C0_REVISION) ||
8719 (ioc->hba_mpi_version_belonged == MPI26_VERSION))
c84b06a4
SR		 8720 ioc->msix96_vector = 1;
8721 break;
8722 default:
8723 return -ENODEV;
8724 }
f92363d1 8725
f92363d1 8726 INIT_LIST_HEAD(&ioc->list);
08c4d550 8727 spin_lock(&gioc_lock);
f92363d1 8728 list_add_tail(&ioc->list, &mpt3sas_ioc_list);
08c4d550 8729 spin_unlock(&gioc_lock);
f92363d1 8730 ioc->shost = shost;
f92363d1
SR		 8731 ioc->pdev = pdev;
8732 ioc->scsi_io_cb_idx = scsi_io_cb_idx;
8733 ioc->tm_cb_idx = tm_cb_idx;
8734 ioc->ctl_cb_idx = ctl_cb_idx;
8735 ioc->base_cb_idx = base_cb_idx;
8736 ioc->port_enable_cb_idx = port_enable_cb_idx;
8737 ioc->transport_cb_idx = transport_cb_idx;
8738 ioc->scsih_cb_idx = scsih_cb_idx;
8739 ioc->config_cb_idx = config_cb_idx;
8740 ioc->tm_tr_cb_idx = tm_tr_cb_idx;
8741 ioc->tm_tr_volume_cb_idx = tm_tr_volume_cb_idx;
8742 ioc->tm_sas_control_cb_idx = tm_sas_control_cb_idx;
8743 ioc->logging_level = logging_level;
8744 ioc->schedule_dead_ioc_flush_running_cmds = &_scsih_flush_running_cmds;
8745 /* misc semaphores and spin locks */
8746 mutex_init(&ioc->reset_in_progress_mutex);
08c4d550
SR		 8747 /* initializing pci_access_mutex lock */
8748 mutex_init(&ioc->pci_access_mutex);
f92363d1
SR		 8749 spin_lock_init(&ioc->ioc_reset_in_progress_lock);
8750 spin_lock_init(&ioc->scsi_lookup_lock);
8751 spin_lock_init(&ioc->sas_device_lock);
8752 spin_lock_init(&ioc->sas_node_lock);
8753 spin_lock_init(&ioc->fw_event_lock);
8754 spin_lock_init(&ioc->raid_device_lock);
8755 spin_lock_init(&ioc->diag_trigger_lock);
8756
8757 INIT_LIST_HEAD(&ioc->sas_device_list);
8758 INIT_LIST_HEAD(&ioc->sas_device_init_list);
8759 INIT_LIST_HEAD(&ioc->sas_expander_list);
8760 INIT_LIST_HEAD(&ioc->fw_event_list);
8761 INIT_LIST_HEAD(&ioc->raid_device_list);
8762 INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list);
8763 INIT_LIST_HEAD(&ioc->delayed_tr_list);
fd0331b3
SS		 8764 INIT_LIST_HEAD(&ioc->delayed_sc_list);
8765 INIT_LIST_HEAD(&ioc->delayed_event_ack_list);
f92363d1 8766 INIT_LIST_HEAD(&ioc->delayed_tr_volume_list);
cf9bd21a 8767 INIT_LIST_HEAD(&ioc->reply_queue_list);
f92363d1 8768
c84b06a4 8769 sprintf(ioc->name, "%s_cm%d", ioc->driver_name, ioc->id);
d357e84d 8770
f92363d1
SR		 8771 /* init shost parameters */
8772 shost->max_cmd_len = 32;
8773 shost->max_lun = max_lun;
8774 shost->transportt = mpt3sas_transport_template;
8775 shost->unique_id = ioc->id;
8776
8777 if (max_sectors != 0xFFFF) {
8778 if (max_sectors < 64) {
8779 shost->max_sectors = 64;
8780 pr_warn(MPT3SAS_FMT "Invalid value %d passed " \
8781 "for max_sectors, range is 64 to 32767. Assigning "
8782 "value of 64.\n", ioc->name, max_sectors);
8783 } else if (max_sectors > 32767) {
8784 shost->max_sectors = 32767;
8785 pr_warn(MPT3SAS_FMT "Invalid value %d passed " \
8786 "for max_sectors, range is 64 to 32767. Assigning "
8787 "default value of 32767.\n", ioc->name,
8788 max_sectors);
8789 } else {
8790 shost->max_sectors = max_sectors & 0xFFFE;
8791 pr_info(MPT3SAS_FMT
8792 "The max_sectors value is set to %d\n",
8793 ioc->name, shost->max_sectors);
8794 }
8795 }
8796
f92363d1
SR		 8797 /* register EEDP capabilities with SCSI layer */
8798 if (prot_mask > 0)
8799 scsi_host_set_prot(shost, prot_mask);
8800 else
8801 scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION
8802 | SHOST_DIF_TYPE2_PROTECTION
8803 | SHOST_DIF_TYPE3_PROTECTION);
8804
8805 scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC);
8806
8807 /* event thread */
8808 snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name),
c84b06a4 8809 "fw_event_%s%d", ioc->driver_name, ioc->id);
bdff785e
SR		 8810 ioc->firmware_event_thread = alloc_ordered_workqueue(
8811 ioc->firmware_event_name, WQ_MEM_RECLAIM);
f92363d1
SR		 8812 if (!ioc->firmware_event_thread) {
8813 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
8814 ioc->name, __FILE__, __LINE__, __func__);
b65f1d4d 8815 rv = -ENODEV;
f92363d1
SR		 8816 goto out_thread_fail;
8817 }
8818
8819 ioc->is_driver_loading = 1;
8820 if ((mpt3sas_base_attach(ioc))) {
8821 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
8822 ioc->name, __FILE__, __LINE__, __func__);
b65f1d4d 8823 rv = -ENODEV;
f92363d1
SR		 8824 goto out_attach_fail;
8825 }
7786ab6a 8826
7786ab6a
SR		 8827 if (ioc->is_warpdrive) {
8828 if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_EXPOSE_ALL_DISKS)
8829 ioc->hide_drives = 0;
8830 else if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_HIDE_ALL_DISKS)
8831 ioc->hide_drives = 1;
8832 else {
c84b06a4 8833 if (mpt3sas_get_num_volumes(ioc))
7786ab6a
SR		 8834 ioc->hide_drives = 1;
8835 else
8836 ioc->hide_drives = 0;
8837 }
8838 } else
8839 ioc->hide_drives = 0;
7786ab6a 8840
b65f1d4d
SR		 8841 rv = scsi_add_host(shost, &pdev->dev);
8842 if (rv) {
4dc06fd8
RS		 8843 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
8844 ioc->name, __FILE__, __LINE__, __func__);
4dc06fd8
RS		 8845 goto out_add_shost_fail;
8846 }
8847
f92363d1
SR		 8848 scsi_scan_host(shost);
8849 return 0;
4dc06fd8
RS		 8850out_add_shost_fail:
8851 mpt3sas_base_detach(ioc);
f92363d1
SR		 8852 out_attach_fail:
8853 destroy_workqueue(ioc->firmware_event_thread);
8854 out_thread_fail:
08c4d550 8855 spin_lock(&gioc_lock);
f92363d1 8856 list_del(&ioc->list);
08c4d550 8857 spin_unlock(&gioc_lock);
f92363d1 8858 scsi_host_put(shost);
b65f1d4d 8859 return rv;
f92363d1
SR		 8860}
8861
8862#ifdef CONFIG_PM
8863/**
8a7e4c24 8864 * scsih_suspend - power management suspend main entry point
f92363d1
SR		 8865 * @pdev: PCI device struct
8866 * @state: PM state change to (usually PCI_D3)
8867 *
8868 * Returns 0 success, anything else error.
8869 */
8a7e4c24
SR		 8870int
8871scsih_suspend(struct pci_dev *pdev, pm_message_t state)
f92363d1
SR		 8872{
8873 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8874 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8875 pci_power_t device_state;
8876
8877 mpt3sas_base_stop_watchdog(ioc);
8878 flush_scheduled_work();
8879 scsi_block_requests(shost);
8880 device_state = pci_choose_state(pdev, state);
8881 pr_info(MPT3SAS_FMT
8882 "pdev=0x%p, slot=%s, entering operating state [D%d]\n",
8883 ioc->name, pdev, pci_name(pdev), device_state);
8884
8885 pci_save_state(pdev);
8886 mpt3sas_base_free_resources(ioc);
8887 pci_set_power_state(pdev, device_state);
8888 return 0;
8889}
8890
8891/**
8a7e4c24 8892 * scsih_resume - power management resume main entry point
f92363d1
SR		 8893 * @pdev: PCI device struct
8894 *
8895 * Returns 0 success, anything else error.
8896 */
8a7e4c24
SR		 8897int
8898scsih_resume(struct pci_dev *pdev)
f92363d1
SR		 8899{
8900 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8901 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8902 pci_power_t device_state = pdev->current_state;
8903 int r;
8904
8905 pr_info(MPT3SAS_FMT
8906 "pdev=0x%p, slot=%s, previous operating state [D%d]\n",
8907 ioc->name, pdev, pci_name(pdev), device_state);
8908
8909 pci_set_power_state(pdev, PCI_D0);
8910 pci_enable_wake(pdev, PCI_D0, 0);
8911 pci_restore_state(pdev);
8912 ioc->pdev = pdev;
8913 r = mpt3sas_base_map_resources(ioc);
8914 if (r)
8915 return r;
8916
8917 mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP, SOFT_RESET);
8918 scsi_unblock_requests(shost);
8919 mpt3sas_base_start_watchdog(ioc);
8920 return 0;
8921}
8922#endif /* CONFIG_PM */
8923
8924/**
8a7e4c24 8925 * scsih_pci_error_detected - Called when a PCI error is detected.
f92363d1
SR		 8926 * @pdev: PCI device struct
8927 * @state: PCI channel state
8928 *
8929 * Description: Called when a PCI error is detected.
8930 *
8931 * Return value:
8932 * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT
8933 */
8a7e4c24
SR		 8934pci_ers_result_t
8935scsih_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
f92363d1
SR		 8936{
8937 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8938 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8939
8940 pr_info(MPT3SAS_FMT "PCI error: detected callback, state(%d)!!\n",
8941 ioc->name, state);
8942
8943 switch (state) {
8944 case pci_channel_io_normal:
8945 return PCI_ERS_RESULT_CAN_RECOVER;
8946 case pci_channel_io_frozen:
8947 /* Fatal error, prepare for slot reset */
8948 ioc->pci_error_recovery = 1;
8949 scsi_block_requests(ioc->shost);
8950 mpt3sas_base_stop_watchdog(ioc);
8951 mpt3sas_base_free_resources(ioc);
8952 return PCI_ERS_RESULT_NEED_RESET;
8953 case pci_channel_io_perm_failure:
8954 /* Permanent error, prepare for device removal */
8955 ioc->pci_error_recovery = 1;
8956 mpt3sas_base_stop_watchdog(ioc);
8957 _scsih_flush_running_cmds(ioc);
8958 return PCI_ERS_RESULT_DISCONNECT;
8959 }
8960 return PCI_ERS_RESULT_NEED_RESET;
8961}
8962
8963/**
8a7e4c24 8964 * scsih_pci_slot_reset - Called when PCI slot has been reset.
f92363d1
SR		 8965 * @pdev: PCI device struct
8966 *
8967 * Description: This routine is called by the pci error recovery
8968 * code after the PCI slot has been reset, just before we
8969 * should resume normal operations.
8970 */
8a7e4c24
SR		 8971pci_ers_result_t
8972scsih_pci_slot_reset(struct pci_dev *pdev)
f92363d1
SR		 8973{
8974 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8975 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8976 int rc;
8977
8978 pr_info(MPT3SAS_FMT "PCI error: slot reset callback!!\n",
8979 ioc->name);
8980
8981 ioc->pci_error_recovery = 0;
8982 ioc->pdev = pdev;
8983 pci_restore_state(pdev);
8984 rc = mpt3sas_base_map_resources(ioc);
8985 if (rc)
8986 return PCI_ERS_RESULT_DISCONNECT;
8987
8988 rc = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP,
8989 FORCE_BIG_HAMMER);
8990
8991 pr_warn(MPT3SAS_FMT "hard reset: %s\n", ioc->name,
8992 (rc == 0) ? "success" : "failed");
8993
8994 if (!rc)
8995 return PCI_ERS_RESULT_RECOVERED;
8996 else
8997 return PCI_ERS_RESULT_DISCONNECT;
8998}
8999
9000/**
8a7e4c24 9001 * scsih_pci_resume() - resume normal ops after PCI reset
f92363d1
SR		 9002 * @pdev: pointer to PCI device
9003 *
9004 * Called when the error recovery driver tells us that its
9005 * OK to resume normal operation. Use completion to allow
9006 * halted scsi ops to resume.
9007 */
8a7e4c24
SR		 9008void
9009scsih_pci_resume(struct pci_dev *pdev)
f92363d1
SR		 9010{
9011 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9012 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
9013
9014 pr_info(MPT3SAS_FMT "PCI error: resume callback!!\n", ioc->name);
9015
9016 pci_cleanup_aer_uncorrect_error_status(pdev);
9017 mpt3sas_base_start_watchdog(ioc);
9018 scsi_unblock_requests(ioc->shost);
9019}
9020
9021/**
8a7e4c24 9022 * scsih_pci_mmio_enabled - Enable MMIO and dump debug registers
f92363d1
SR		 9023 * @pdev: pointer to PCI device
9024 */
8a7e4c24
SR		 9025pci_ers_result_t
9026scsih_pci_mmio_enabled(struct pci_dev *pdev)
f92363d1
SR		 9027{
9028 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9029 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
9030
9031 pr_info(MPT3SAS_FMT "PCI error: mmio enabled callback!!\n",
9032 ioc->name);
9033
9034 /* TODO - dump whatever for debugging purposes */
9035
9036 /* Request a slot reset. */
9037 return PCI_ERS_RESULT_NEED_RESET;
9038}
9039
c84b06a4
SR		 9040/*
9041 * The pci device ids are defined in mpi/mpi2_cnfg.h.
9042 */
9043static const struct pci_device_id mpt3sas_pci_table[] = {
9044 /* Spitfire ~ 2004 */
9045 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004,
9046 PCI_ANY_ID, PCI_ANY_ID },
9047 /* Falcon ~ 2008 */
9048 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008,
9049 PCI_ANY_ID, PCI_ANY_ID },
9050 /* Liberator ~ 2108 */
9051 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1,
9052 PCI_ANY_ID, PCI_ANY_ID },
9053 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2,
9054 PCI_ANY_ID, PCI_ANY_ID },
9055 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3,
9056 PCI_ANY_ID, PCI_ANY_ID },
9057 /* Meteor ~ 2116 */
9058 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1,
9059 PCI_ANY_ID, PCI_ANY_ID },
9060 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2,
9061 PCI_ANY_ID, PCI_ANY_ID },
9062 /* Thunderbolt ~ 2208 */
9063 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1,
9064 PCI_ANY_ID, PCI_ANY_ID },
9065 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_2,
9066 PCI_ANY_ID, PCI_ANY_ID },
9067 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_3,
9068 PCI_ANY_ID, PCI_ANY_ID },
9069 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_4,
9070 PCI_ANY_ID, PCI_ANY_ID },
9071 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_5,
9072 PCI_ANY_ID, PCI_ANY_ID },
9073 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6,
9074 PCI_ANY_ID, PCI_ANY_ID },
9075 /* Mustang ~ 2308 */
9076 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_1,
9077 PCI_ANY_ID, PCI_ANY_ID },
9078 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2,
9079 PCI_ANY_ID, PCI_ANY_ID },
9080 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_3,
9081 PCI_ANY_ID, PCI_ANY_ID },
9082 /* SSS6200 */
9083 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SSS6200,
9084 PCI_ANY_ID, PCI_ANY_ID },
9085 /* Fury ~ 3004 and 3008 */
9086 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3004,
9087 PCI_ANY_ID, PCI_ANY_ID },
9088 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3008,
9089 PCI_ANY_ID, PCI_ANY_ID },
9090 /* Invader ~ 3108 */
9091 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_1,
9092 PCI_ANY_ID, PCI_ANY_ID },
9093 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_2,
9094 PCI_ANY_ID, PCI_ANY_ID },
9095 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_5,
9096 PCI_ANY_ID, PCI_ANY_ID },
9097 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_6,
9098 PCI_ANY_ID, PCI_ANY_ID },
b130b0d5
SS		 9099 /* Cutlass ~ 3216 and 3224 */
9100 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3216,
9101 PCI_ANY_ID, PCI_ANY_ID },
9102 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3224,
9103 PCI_ANY_ID, PCI_ANY_ID },
9104 /* Intruder ~ 3316 and 3324 */
9105 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_1,
9106 PCI_ANY_ID, PCI_ANY_ID },
9107 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_2,
9108 PCI_ANY_ID, PCI_ANY_ID },
9109 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_3,
9110 PCI_ANY_ID, PCI_ANY_ID },
9111 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_4,
9112 PCI_ANY_ID, PCI_ANY_ID },
9113 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_1,
9114 PCI_ANY_ID, PCI_ANY_ID },
9115 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_2,
9116 PCI_ANY_ID, PCI_ANY_ID },
9117 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_3,
9118 PCI_ANY_ID, PCI_ANY_ID },
9119 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_4,
9120 PCI_ANY_ID, PCI_ANY_ID },
c84b06a4
SR		 9121 {0} /* Terminating entry */
9122};
9123MODULE_DEVICE_TABLE(pci, mpt3sas_pci_table);
9124
9125static struct pci_error_handlers _mpt3sas_err_handler = {
9126 .error_detected = scsih_pci_error_detected,
9127 .mmio_enabled = scsih_pci_mmio_enabled,
9128 .slot_reset = scsih_pci_slot_reset,
9129 .resume = scsih_pci_resume,
9130};
9131
9132static struct pci_driver mpt3sas_driver = {
9133 .name = MPT3SAS_DRIVER_NAME,
9134 .id_table = mpt3sas_pci_table,
9135 .probe = _scsih_probe,
9136 .remove = scsih_remove,
9137 .shutdown = scsih_shutdown,
9138 .err_handler = &_mpt3sas_err_handler,
9139#ifdef CONFIG_PM
9140 .suspend = scsih_suspend,
9141 .resume = scsih_resume,
9142#endif
9143};
9144
f92363d1 9145/**
8a7e4c24 9146 * scsih_init - main entry point for this driver.
f92363d1
SR		 9147 *
9148 * Returns 0 success, anything else error.
9149 */
8a7e4c24
SR		 9150int
9151scsih_init(void)
f92363d1 9152{
c84b06a4
SR		 9153 mpt2_ids = 0;
9154 mpt3_ids = 0;
f92363d1 9155
f92363d1
SR		 9156 mpt3sas_base_initialize_callback_handler();
9157
9158 /* queuecommand callback hander */
9159 scsi_io_cb_idx = mpt3sas_base_register_callback_handler(_scsih_io_done);
9160
9161 /* task managment callback handler */
9162 tm_cb_idx = mpt3sas_base_register_callback_handler(_scsih_tm_done);
9163
9164 /* base internal commands callback handler */
9165 base_cb_idx = mpt3sas_base_register_callback_handler(mpt3sas_base_done);
9166 port_enable_cb_idx = mpt3sas_base_register_callback_handler(
9167 mpt3sas_port_enable_done);
9168
9169 /* transport internal commands callback handler */
9170 transport_cb_idx = mpt3sas_base_register_callback_handler(
9171 mpt3sas_transport_done);
9172
9173 /* scsih internal commands callback handler */
9174 scsih_cb_idx = mpt3sas_base_register_callback_handler(_scsih_done);
9175
9176 /* configuration page API internal commands callback handler */
9177 config_cb_idx = mpt3sas_base_register_callback_handler(
9178 mpt3sas_config_done);
9179
9180 /* ctl module callback handler */
9181 ctl_cb_idx = mpt3sas_base_register_callback_handler(mpt3sas_ctl_done);
9182
9183 tm_tr_cb_idx = mpt3sas_base_register_callback_handler(
9184 _scsih_tm_tr_complete);
9185
9186 tm_tr_volume_cb_idx = mpt3sas_base_register_callback_handler(
9187 _scsih_tm_volume_tr_complete);
9188
9189 tm_sas_control_cb_idx = mpt3sas_base_register_callback_handler(
9190 _scsih_sas_control_complete);
9191
7497392a 9192 return 0;
f92363d1
SR		 9193}
9194
9195/**
7497392a 9196 * scsih_exit - exit point for this driver (when it is a module).
f92363d1
SR		 9197 *
9198 * Returns 0 success, anything else error.
9199 */
8a7e4c24
SR		 9200void
9201scsih_exit(void)
f92363d1 9202{
f92363d1
SR		 9203
9204 mpt3sas_base_release_callback_handler(scsi_io_cb_idx);
9205 mpt3sas_base_release_callback_handler(tm_cb_idx);
9206 mpt3sas_base_release_callback_handler(base_cb_idx);
9207 mpt3sas_base_release_callback_handler(port_enable_cb_idx);
9208 mpt3sas_base_release_callback_handler(transport_cb_idx);
9209 mpt3sas_base_release_callback_handler(scsih_cb_idx);
9210 mpt3sas_base_release_callback_handler(config_cb_idx);
9211 mpt3sas_base_release_callback_handler(ctl_cb_idx);
9212
9213 mpt3sas_base_release_callback_handler(tm_tr_cb_idx);
9214 mpt3sas_base_release_callback_handler(tm_tr_volume_cb_idx);
9215 mpt3sas_base_release_callback_handler(tm_sas_control_cb_idx);
9216
9217/* raid transport support */
c84b06a4
SR		 9218 if (hbas_to_enumerate != 1)
9219 raid_class_release(mpt3sas_raid_template);
9220 if (hbas_to_enumerate != 2)
9221 raid_class_release(mpt2sas_raid_template);
f92363d1
SR		 9222 sas_release_transport(mpt3sas_transport_template);
9223}
7786ab6a 9224
c84b06a4
SR		 9225/**
9226 * _mpt3sas_init - main entry point for this driver.
9227 *
9228 * Returns 0 success, anything else error.
9229 */
9230static int __init
9231_mpt3sas_init(void)
9232{
9233 int error;
9234
9235 pr_info("%s version %s loaded\n", MPT3SAS_DRIVER_NAME,
9236 MPT3SAS_DRIVER_VERSION);
9237
9238 mpt3sas_transport_template =
9239 sas_attach_transport(&mpt3sas_transport_functions);
9240 if (!mpt3sas_transport_template)
9241 return -ENODEV;
9242
9243 /* No need attach mpt3sas raid functions template
9244 * if hbas_to_enumarate value is one.
9245 */
9246 if (hbas_to_enumerate != 1) {
9247 mpt3sas_raid_template =
9248 raid_class_attach(&mpt3sas_raid_functions);
9249 if (!mpt3sas_raid_template) {
9250 sas_release_transport(mpt3sas_transport_template);
9251 return -ENODEV;
9252 }
9253 }
9254
9255 /* No need to attach mpt2sas raid functions template
9256 * if hbas_to_enumarate value is two
9257 */
9258 if (hbas_to_enumerate != 2) {
9259 mpt2sas_raid_template =
9260 raid_class_attach(&mpt2sas_raid_functions);
9261 if (!mpt2sas_raid_template) {
9262 sas_release_transport(mpt3sas_transport_template);
9263 return -ENODEV;
9264 }
9265 }
9266
9267 error = scsih_init();
9268 if (error) {
9269 scsih_exit();
9270 return error;
9271 }
9272
9273 mpt3sas_ctl_init(hbas_to_enumerate);
9274
9275 error = pci_register_driver(&mpt3sas_driver);
9276 if (error)
9277 scsih_exit();
9278
9279 return error;
9280}
9281
9282/**
9283 * _mpt3sas_exit - exit point for this driver (when it is a module).
9284 *
9285 */
9286static void __exit
9287_mpt3sas_exit(void)
9288{
9289 pr_info("mpt3sas version %s unloading\n",
9290 MPT3SAS_DRIVER_VERSION);
9291
9292 pci_unregister_driver(&mpt3sas_driver);
9293
9294 mpt3sas_ctl_exit(hbas_to_enumerate);
9295
9296 scsih_exit();
9297}
9298
9299module_init(_mpt3sas_init);
9300module_exit(_mpt3sas_exit);
Linux 6.x block layer and io_uring tree(s)