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scsi: mpt3sas: Bump driver version as "14.100.00.00"
[mirror_ubuntu-artful-kernel.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
c696f7b8
SPS		 791 if (ioc->hide_drives) {
792 clear_bit(sas_device->handle, ioc->pend_os_device_add);
793 return;
794 }
795
f92363d1
SR		 796 if (!mpt3sas_transport_port_add(ioc, sas_device->handle,
797 sas_device->sas_address_parent)) {
798 _scsih_sas_device_remove(ioc, sas_device);
799 } else if (!sas_device->starget) {
800 /*
801 * When asyn scanning is enabled, its not possible to remove
802 * devices while scanning is turned on due to an oops in
803 * scsi_sysfs_add_sdev()->add_device()->sysfs_addrm_start()
804 */
f5edbe77 805 if (!ioc->is_driver_loading) {
f92363d1
SR		 806 mpt3sas_transport_port_remove(ioc,
807 sas_device->sas_address,
808 sas_device->sas_address_parent);
f5edbe77
SR		 809 _scsih_sas_device_remove(ioc, sas_device);
810 }
c696f7b8
SPS		 811 } else
812 clear_bit(sas_device->handle, ioc->pend_os_device_add);
f92363d1
SR		 813}
814
815/**
816 * _scsih_sas_device_init_add - insert sas_device to the list.
817 * @ioc: per adapter object
818 * @sas_device: the sas_device object
819 * Context: This function will acquire ioc->sas_device_lock.
820 *
821 * Adding new object at driver load time to the ioc->sas_device_init_list.
822 */
823static void
824_scsih_sas_device_init_add(struct MPT3SAS_ADAPTER *ioc,
825 struct _sas_device *sas_device)
826{
827 unsigned long flags;
828
829 dewtprintk(ioc, pr_info(MPT3SAS_FMT
830 "%s: handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name,
831 __func__, sas_device->handle,
832 (unsigned long long)sas_device->sas_address));
833
e6d45e3e
SR		 834 if (sas_device->enclosure_handle != 0)
835 dewtprintk(ioc, pr_info(MPT3SAS_FMT
836 "%s: enclosure logical id(0x%016llx), slot( %d)\n",
837 ioc->name, __func__, (unsigned long long)
838 sas_device->enclosure_logical_id, sas_device->slot));
839
840 if (sas_device->connector_name[0] != '\0')
841 dewtprintk(ioc, pr_info(MPT3SAS_FMT
842 "%s: enclosure level(0x%04x), connector name( %s)\n",
843 ioc->name, __func__, sas_device->enclosure_level,
844 sas_device->connector_name));
845
f92363d1 846 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 847 sas_device_get(sas_device);
f92363d1
SR		 848 list_add_tail(&sas_device->list, &ioc->sas_device_init_list);
849 _scsih_determine_boot_device(ioc, sas_device, 0);
850 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
851}
852
853/**
854 * _scsih_raid_device_find_by_id - raid device search
855 * @ioc: per adapter object
856 * @id: sas device target id
857 * @channel: sas device channel
858 * Context: Calling function should acquire ioc->raid_device_lock
859 *
860 * This searches for raid_device based on target id, then return raid_device
861 * object.
862 */
863static struct _raid_device *
864_scsih_raid_device_find_by_id(struct MPT3SAS_ADAPTER *ioc, int id, int channel)
865{
866 struct _raid_device *raid_device, *r;
867
868 r = NULL;
869 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
870 if (raid_device->id == id && raid_device->channel == channel) {
871 r = raid_device;
872 goto out;
873 }
874 }
875
876 out:
877 return r;
878}
879
880/**
c84b06a4 881 * mpt3sas_raid_device_find_by_handle - raid device search
f92363d1
SR		 882 * @ioc: per adapter object
883 * @handle: sas device handle (assigned by firmware)
884 * Context: Calling function should acquire ioc->raid_device_lock
885 *
886 * This searches for raid_device based on handle, then return raid_device
887 * object.
888 */
c84b06a4
SR		 889struct _raid_device *
890mpt3sas_raid_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
f92363d1
SR		 891{
892 struct _raid_device *raid_device, *r;
893
894 r = NULL;
895 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
896 if (raid_device->handle != handle)
897 continue;
898 r = raid_device;
899 goto out;
900 }
901
902 out:
903 return r;
904}
905
906/**
907 * _scsih_raid_device_find_by_wwid - raid device search
908 * @ioc: per adapter object
909 * @handle: sas device handle (assigned by firmware)
910 * Context: Calling function should acquire ioc->raid_device_lock
911 *
912 * This searches for raid_device based on wwid, then return raid_device
913 * object.
914 */
915static struct _raid_device *
916_scsih_raid_device_find_by_wwid(struct MPT3SAS_ADAPTER *ioc, u64 wwid)
917{
918 struct _raid_device *raid_device, *r;
919
920 r = NULL;
921 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
922 if (raid_device->wwid != wwid)
923 continue;
924 r = raid_device;
925 goto out;
926 }
927
928 out:
929 return r;
930}
931
932/**
933 * _scsih_raid_device_add - add raid_device object
934 * @ioc: per adapter object
935 * @raid_device: raid_device object
936 *
937 * This is added to the raid_device_list link list.
938 */
939static void
940_scsih_raid_device_add(struct MPT3SAS_ADAPTER *ioc,
941 struct _raid_device *raid_device)
942{
943 unsigned long flags;
944
945 dewtprintk(ioc, pr_info(MPT3SAS_FMT
946 "%s: handle(0x%04x), wwid(0x%016llx)\n", ioc->name, __func__,
947 raid_device->handle, (unsigned long long)raid_device->wwid));
948
949 spin_lock_irqsave(&ioc->raid_device_lock, flags);
950 list_add_tail(&raid_device->list, &ioc->raid_device_list);
951 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
952}
953
954/**
955 * _scsih_raid_device_remove - delete raid_device object
956 * @ioc: per adapter object
957 * @raid_device: raid_device object
958 *
959 */
960static void
961_scsih_raid_device_remove(struct MPT3SAS_ADAPTER *ioc,
962 struct _raid_device *raid_device)
963{
964 unsigned long flags;
965
966 spin_lock_irqsave(&ioc->raid_device_lock, flags);
967 list_del(&raid_device->list);
968 kfree(raid_device);
969 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
970}
971
972/**
973 * mpt3sas_scsih_expander_find_by_handle - expander device search
974 * @ioc: per adapter object
975 * @handle: expander handle (assigned by firmware)
976 * Context: Calling function should acquire ioc->sas_device_lock
977 *
978 * This searches for expander device based on handle, then returns the
979 * sas_node object.
980 */
981struct _sas_node *
982mpt3sas_scsih_expander_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
983{
984 struct _sas_node *sas_expander, *r;
985
986 r = NULL;
987 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
988 if (sas_expander->handle != handle)
989 continue;
990 r = sas_expander;
991 goto out;
992 }
993 out:
994 return r;
995}
996
997/**
998 * mpt3sas_scsih_expander_find_by_sas_address - expander device search
999 * @ioc: per adapter object
1000 * @sas_address: sas address
1001 * Context: Calling function should acquire ioc->sas_node_lock.
1002 *
1003 * This searches for expander device based on sas_address, then returns the
1004 * sas_node object.
1005 */
1006struct _sas_node *
1007mpt3sas_scsih_expander_find_by_sas_address(struct MPT3SAS_ADAPTER *ioc,
1008 u64 sas_address)
1009{
1010 struct _sas_node *sas_expander, *r;
1011
1012 r = NULL;
1013 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
1014 if (sas_expander->sas_address != sas_address)
1015 continue;
1016 r = sas_expander;
1017 goto out;
1018 }
1019 out:
1020 return r;
1021}
1022
1023/**
1024 * _scsih_expander_node_add - insert expander device to the list.
1025 * @ioc: per adapter object
1026 * @sas_expander: the sas_device object
1027 * Context: This function will acquire ioc->sas_node_lock.
1028 *
1029 * Adding new object to the ioc->sas_expander_list.
1030 *
1031 * Return nothing.
1032 */
1033static void
1034_scsih_expander_node_add(struct MPT3SAS_ADAPTER *ioc,
1035 struct _sas_node *sas_expander)
1036{
1037 unsigned long flags;
1038
1039 spin_lock_irqsave(&ioc->sas_node_lock, flags);
1040 list_add_tail(&sas_expander->list, &ioc->sas_expander_list);
1041 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
1042}
1043
1044/**
1045 * _scsih_is_end_device - determines if device is an end device
1046 * @device_info: bitfield providing information about the device.
1047 * Context: none
1048 *
1049 * Returns 1 if end device.
1050 */
1051static int
1052_scsih_is_end_device(u32 device_info)
1053{
1054 if (device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE &&
1055 ((device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) |
1056 (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) |
1057 (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)))
1058 return 1;
1059 else
1060 return 0;
1061}
1062
1063/**
1064 * _scsih_scsi_lookup_get - returns scmd entry
1065 * @ioc: per adapter object
1066 * @smid: system request message index
1067 *
1068 * Returns the smid stored scmd pointer.
1069 */
1070static struct scsi_cmnd *
1071_scsih_scsi_lookup_get(struct MPT3SAS_ADAPTER *ioc, u16 smid)
1072{
1073 return ioc->scsi_lookup[smid - 1].scmd;
1074}
1075
1076/**
1077 * _scsih_scsi_lookup_get_clear - returns scmd entry
1078 * @ioc: per adapter object
1079 * @smid: system request message index
1080 *
1081 * Returns the smid stored scmd pointer.
1082 * Then will derefrence the stored scmd pointer.
1083 */
1084static inline struct scsi_cmnd *
1085_scsih_scsi_lookup_get_clear(struct MPT3SAS_ADAPTER *ioc, u16 smid)
1086{
1087 unsigned long flags;
1088 struct scsi_cmnd *scmd;
1089
1090 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1091 scmd = ioc->scsi_lookup[smid - 1].scmd;
1092 ioc->scsi_lookup[smid - 1].scmd = NULL;
1093 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1094
1095 return scmd;
1096}
1097
1098/**
1099 * _scsih_scsi_lookup_find_by_scmd - scmd lookup
1100 * @ioc: per adapter object
1101 * @smid: system request message index
1102 * @scmd: pointer to scsi command object
1103 * Context: This function will acquire ioc->scsi_lookup_lock.
1104 *
1105 * This will search for a scmd pointer in the scsi_lookup array,
1106 * returning the revelent smid. A returned value of zero means invalid.
1107 */
1108static u16
1109_scsih_scsi_lookup_find_by_scmd(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd
1110 *scmd)
1111{
1112 u16 smid;
1113 unsigned long flags;
1114 int i;
1115
1116 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1117 smid = 0;
1118 for (i = 0; i < ioc->scsiio_depth; i++) {
1119 if (ioc->scsi_lookup[i].scmd == scmd) {
1120 smid = ioc->scsi_lookup[i].smid;
1121 goto out;
1122 }
1123 }
1124 out:
1125 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1126 return smid;
1127}
1128
1129/**
1130 * _scsih_scsi_lookup_find_by_target - search for matching channel:id
1131 * @ioc: per adapter object
1132 * @id: target id
1133 * @channel: channel
1134 * Context: This function will acquire ioc->scsi_lookup_lock.
1135 *
1136 * This will search for a matching channel:id in the scsi_lookup array,
1137 * returning 1 if found.
1138 */
1139static u8
1140_scsih_scsi_lookup_find_by_target(struct MPT3SAS_ADAPTER *ioc, int id,
1141 int channel)
1142{
1143 u8 found;
1144 unsigned long flags;
1145 int i;
1146
1147 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1148 found = 0;
1149 for (i = 0 ; i < ioc->scsiio_depth; i++) {
1150 if (ioc->scsi_lookup[i].scmd &&
1151 (ioc->scsi_lookup[i].scmd->device->id == id &&
1152 ioc->scsi_lookup[i].scmd->device->channel == channel)) {
1153 found = 1;
1154 goto out;
1155 }
1156 }
1157 out:
1158 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1159 return found;
1160}
1161
1162/**
1163 * _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun
1164 * @ioc: per adapter object
1165 * @id: target id
1166 * @lun: lun number
1167 * @channel: channel
1168 * Context: This function will acquire ioc->scsi_lookup_lock.
1169 *
1170 * This will search for a matching channel:id:lun in the scsi_lookup array,
1171 * returning 1 if found.
1172 */
1173static u8
1174_scsih_scsi_lookup_find_by_lun(struct MPT3SAS_ADAPTER *ioc, int id,
1175 unsigned int lun, int channel)
1176{
1177 u8 found;
1178 unsigned long flags;
1179 int i;
1180
1181 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1182 found = 0;
1183 for (i = 0 ; i < ioc->scsiio_depth; i++) {
1184 if (ioc->scsi_lookup[i].scmd &&
1185 (ioc->scsi_lookup[i].scmd->device->id == id &&
1186 ioc->scsi_lookup[i].scmd->device->channel == channel &&
1187 ioc->scsi_lookup[i].scmd->device->lun == lun)) {
1188 found = 1;
1189 goto out;
1190 }
1191 }
1192 out:
1193 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1194 return found;
1195}
1196
cf75d5d6 1197/**
8a7e4c24 1198 * scsih_change_queue_depth - setting device queue depth
cf75d5d6
CH		 1199 * @sdev: scsi device struct
1200 * @qdepth: requested queue depth
1201 *
1202 * Returns queue depth.
1203 */
8bbb1cf6 1204static int
8a7e4c24 1205scsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
f92363d1
SR		 1206{
1207 struct Scsi_Host *shost = sdev->host;
1208 int max_depth;
1209 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
1210 struct MPT3SAS_DEVICE *sas_device_priv_data;
1211 struct MPT3SAS_TARGET *sas_target_priv_data;
1212 struct _sas_device *sas_device;
1213 unsigned long flags;
1214
1215 max_depth = shost->can_queue;
1216
1217 /* limit max device queue for SATA to 32 */
1218 sas_device_priv_data = sdev->hostdata;
1219 if (!sas_device_priv_data)
1220 goto not_sata;
1221 sas_target_priv_data = sas_device_priv_data->sas_target;
1222 if (!sas_target_priv_data)
1223 goto not_sata;
1224 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))
1225 goto not_sata;
d1cb5e49 1226
f92363d1 1227 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49
SR		 1228 sas_device = __mpt3sas_get_sdev_from_target(ioc, sas_target_priv_data);
1229 if (sas_device) {
1230 if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
1231 max_depth = MPT3SAS_SATA_QUEUE_DEPTH;
1232
1233 sas_device_put(sas_device);
1234 }
f92363d1
SR		 1235 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1236
1237 not_sata:
1238
1239 if (!sdev->tagged_supported)
1240 max_depth = 1;
1241 if (qdepth > max_depth)
1242 qdepth = max_depth;
cf75d5d6 1243 return scsi_change_queue_depth(sdev, qdepth);
f92363d1
SR		 1244}
1245
f92363d1 1246/**
8a7e4c24 1247 * scsih_target_alloc - target add routine
f92363d1
SR		 1248 * @starget: scsi target struct
1249 *
1250 * Returns 0 if ok. Any other return is assumed to be an error and
1251 * the device is ignored.
1252 */
8bbb1cf6 1253static int
8a7e4c24 1254scsih_target_alloc(struct scsi_target *starget)
f92363d1
SR		 1255{
1256 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
1257 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
1258 struct MPT3SAS_TARGET *sas_target_priv_data;
1259 struct _sas_device *sas_device;
1260 struct _raid_device *raid_device;
1261 unsigned long flags;
1262 struct sas_rphy *rphy;
1263
62c4da44
JL		 1264 sas_target_priv_data = kzalloc(sizeof(*sas_target_priv_data),
1265 GFP_KERNEL);
f92363d1
SR		 1266 if (!sas_target_priv_data)
1267 return -ENOMEM;
1268
1269 starget->hostdata = sas_target_priv_data;
1270 sas_target_priv_data->starget = starget;
1271 sas_target_priv_data->handle = MPT3SAS_INVALID_DEVICE_HANDLE;
1272
1273 /* RAID volumes */
1274 if (starget->channel == RAID_CHANNEL) {
1275 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1276 raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
1277 starget->channel);
1278 if (raid_device) {
1279 sas_target_priv_data->handle = raid_device->handle;
1280 sas_target_priv_data->sas_address = raid_device->wwid;
1281 sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME;
7786ab6a
SR		 1282 sas_target_priv_data->raid_device = raid_device;
1283 if (ioc->is_warpdrive)
1284 raid_device->starget = starget;
f92363d1
SR		 1285 }
1286 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1287 return 0;
1288 }
1289
1290 /* sas/sata devices */
1291 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1292 rphy = dev_to_rphy(starget->dev.parent);
d1cb5e49 1293 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
f92363d1
SR		 1294 rphy->identify.sas_address);
1295
1296 if (sas_device) {
1297 sas_target_priv_data->handle = sas_device->handle;
1298 sas_target_priv_data->sas_address = sas_device->sas_address;
d1cb5e49 1299 sas_target_priv_data->sdev = sas_device;
f92363d1
SR		 1300 sas_device->starget = starget;
1301 sas_device->id = starget->id;
1302 sas_device->channel = starget->channel;
1303 if (test_bit(sas_device->handle, ioc->pd_handles))
1304 sas_target_priv_data->flags |=
1305 MPT_TARGET_FLAGS_RAID_COMPONENT;
1306 if (sas_device->fast_path)
1307 sas_target_priv_data->flags |= MPT_TARGET_FASTPATH_IO;
1308 }
1309 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1310
1311 return 0;
1312}
1313
1314/**
8a7e4c24 1315 * scsih_target_destroy - target destroy routine
f92363d1
SR		 1316 * @starget: scsi target struct
1317 *
1318 * Returns nothing.
1319 */
8bbb1cf6 1320static void
8a7e4c24 1321scsih_target_destroy(struct scsi_target *starget)
f92363d1
SR		 1322{
1323 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
1324 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
1325 struct MPT3SAS_TARGET *sas_target_priv_data;
1326 struct _sas_device *sas_device;
1327 struct _raid_device *raid_device;
1328 unsigned long flags;
f92363d1
SR		 1329
1330 sas_target_priv_data = starget->hostdata;
1331 if (!sas_target_priv_data)
1332 return;
1333
1334 if (starget->channel == RAID_CHANNEL) {
1335 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1336 raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
1337 starget->channel);
1338 if (raid_device) {
1339 raid_device->starget = NULL;
1340 raid_device->sdev = NULL;
1341 }
1342 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1343 goto out;
1344 }
1345
1346 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 1347 sas_device = __mpt3sas_get_sdev_from_target(ioc, sas_target_priv_data);
f92363d1
SR		 1348 if (sas_device && (sas_device->starget == starget) &&
1349 (sas_device->id == starget->id) &&
1350 (sas_device->channel == starget->channel))
1351 sas_device->starget = NULL;
1352
d1cb5e49
SR		 1353 if (sas_device) {
1354 /*
1355 * Corresponding get() is in _scsih_target_alloc()
1356 */
1357 sas_target_priv_data->sdev = NULL;
1358 sas_device_put(sas_device);
1359
1360 sas_device_put(sas_device);
1361 }
f92363d1
SR		 1362 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1363
1364 out:
1365 kfree(sas_target_priv_data);
1366 starget->hostdata = NULL;
1367}
1368
1369/**
8a7e4c24 1370 * scsih_slave_alloc - device add routine
f92363d1
SR		 1371 * @sdev: scsi device struct
1372 *
1373 * Returns 0 if ok. Any other return is assumed to be an error and
1374 * the device is ignored.
1375 */
8bbb1cf6 1376static int
8a7e4c24 1377scsih_slave_alloc(struct scsi_device *sdev)
f92363d1
SR		 1378{
1379 struct Scsi_Host *shost;
1380 struct MPT3SAS_ADAPTER *ioc;
1381 struct MPT3SAS_TARGET *sas_target_priv_data;
1382 struct MPT3SAS_DEVICE *sas_device_priv_data;
1383 struct scsi_target *starget;
1384 struct _raid_device *raid_device;
b65cfedf 1385 struct _sas_device *sas_device;
f92363d1
SR		 1386 unsigned long flags;
1387
62c4da44
JL		 1388 sas_device_priv_data = kzalloc(sizeof(*sas_device_priv_data),
1389 GFP_KERNEL);
f92363d1
SR		 1390 if (!sas_device_priv_data)
1391 return -ENOMEM;
1392
1393 sas_device_priv_data->lun = sdev->lun;
1394 sas_device_priv_data->flags = MPT_DEVICE_FLAGS_INIT;
1395
1396 starget = scsi_target(sdev);
1397 sas_target_priv_data = starget->hostdata;
1398 sas_target_priv_data->num_luns++;
1399 sas_device_priv_data->sas_target = sas_target_priv_data;
1400 sdev->hostdata = sas_device_priv_data;
1401 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT))
1402 sdev->no_uld_attach = 1;
1403
1404 shost = dev_to_shost(&starget->dev);
1405 ioc = shost_priv(shost);
1406 if (starget->channel == RAID_CHANNEL) {
1407 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1408 raid_device = _scsih_raid_device_find_by_id(ioc,
1409 starget->id, starget->channel);
1410 if (raid_device)
1411 raid_device->sdev = sdev; /* raid is single lun */
1412 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1413 }
1414
b65cfedf
SR		 1415 if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) {
1416 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 1417 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
b65cfedf
SR		 1418 sas_target_priv_data->sas_address);
1419 if (sas_device && (sas_device->starget == NULL)) {
1420 sdev_printk(KERN_INFO, sdev,
1421 "%s : sas_device->starget set to starget @ %d\n",
d1cb5e49 1422 __func__, __LINE__);
b65cfedf
SR		 1423 sas_device->starget = starget;
1424 }
d1cb5e49
SR		 1425
1426 if (sas_device)
1427 sas_device_put(sas_device);
1428
b65cfedf
SR		 1429 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1430 }
1431
f92363d1
SR		 1432 return 0;
1433}
1434
1435/**
8a7e4c24 1436 * scsih_slave_destroy - device destroy routine
f92363d1
SR		 1437 * @sdev: scsi device struct
1438 *
1439 * Returns nothing.
1440 */
8bbb1cf6 1441static void
8a7e4c24 1442scsih_slave_destroy(struct scsi_device *sdev)
f92363d1
SR		 1443{
1444 struct MPT3SAS_TARGET *sas_target_priv_data;
1445 struct scsi_target *starget;
1446 struct Scsi_Host *shost;
1447 struct MPT3SAS_ADAPTER *ioc;
1448 struct _sas_device *sas_device;
1449 unsigned long flags;
1450
1451 if (!sdev->hostdata)
1452 return;
1453
1454 starget = scsi_target(sdev);
1455 sas_target_priv_data = starget->hostdata;
1456 sas_target_priv_data->num_luns--;
1457
1458 shost = dev_to_shost(&starget->dev);
1459 ioc = shost_priv(shost);
1460
1461 if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) {
1462 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49
SR		 1463 sas_device = __mpt3sas_get_sdev_from_target(ioc,
1464 sas_target_priv_data);
f92363d1
SR		 1465 if (sas_device && !sas_target_priv_data->num_luns)
1466 sas_device->starget = NULL;
d1cb5e49
SR		 1467
1468 if (sas_device)
1469 sas_device_put(sas_device);
f92363d1
SR		 1470 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1471 }
1472
1473 kfree(sdev->hostdata);
1474 sdev->hostdata = NULL;
1475}
1476
1477/**
1478 * _scsih_display_sata_capabilities - sata capabilities
1479 * @ioc: per adapter object
1480 * @handle: device handle
1481 * @sdev: scsi device struct
1482 */
1483static void
1484_scsih_display_sata_capabilities(struct MPT3SAS_ADAPTER *ioc,
1485 u16 handle, struct scsi_device *sdev)
1486{
1487 Mpi2ConfigReply_t mpi_reply;
1488 Mpi2SasDevicePage0_t sas_device_pg0;
1489 u32 ioc_status;
1490 u16 flags;
1491 u32 device_info;
1492
1493 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
1494 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
1495 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
1496 ioc->name, __FILE__, __LINE__, __func__);
1497 return;
1498 }
1499
1500 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
1501 MPI2_IOCSTATUS_MASK;
1502 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
1503 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
1504 ioc->name, __FILE__, __LINE__, __func__);
1505 return;
1506 }
1507
1508 flags = le16_to_cpu(sas_device_pg0.Flags);
1509 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
1510
1511 sdev_printk(KERN_INFO, sdev,
1512 "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), "
1513 "sw_preserve(%s)\n",
1514 (device_info & MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? "y" : "n",
1515 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED) ? "y" : "n",
1516 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY) ? "y" :
1517 "n",
1518 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED) ? "y" : "n",
1519 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED) ? "y" : "n",
1520 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE) ? "y" : "n");
1521}
1522
1523/*
1524 * raid transport support -
1525 * Enabled for SLES11 and newer, in older kernels the driver will panic when
1526 * unloading the driver followed by a load - I beleive that the subroutine
1527 * raid_class_release() is not cleaning up properly.
1528 */
1529
1530/**
8a7e4c24 1531 * scsih_is_raid - return boolean indicating device is raid volume
f92363d1
SR		 1532 * @dev the device struct object
1533 */
8bbb1cf6 1534static int
8a7e4c24 1535scsih_is_raid(struct device *dev)
f92363d1
SR		 1536{
1537 struct scsi_device *sdev = to_scsi_device(dev);
7786ab6a 1538 struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host);
f92363d1 1539
7786ab6a
SR		 1540 if (ioc->is_warpdrive)
1541 return 0;
f92363d1
SR		 1542 return (sdev->channel == RAID_CHANNEL) ? 1 : 0;
1543}
1544
1545/**
8a7e4c24 1546 * scsih_get_resync - get raid volume resync percent complete
f92363d1
SR		 1547 * @dev the device struct object
1548 */
8bbb1cf6 1549static void
8a7e4c24 1550scsih_get_resync(struct device *dev)
f92363d1
SR		 1551{
1552 struct scsi_device *sdev = to_scsi_device(dev);
1553 struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host);
1554 static struct _raid_device *raid_device;
1555 unsigned long flags;
1556 Mpi2RaidVolPage0_t vol_pg0;
1557 Mpi2ConfigReply_t mpi_reply;
1558 u32 volume_status_flags;
1559 u8 percent_complete;
1560 u16 handle;
1561
1562 percent_complete = 0;
1563 handle = 0;
7786ab6a
SR		 1564 if (ioc->is_warpdrive)
1565 goto out;
1566
f92363d1
SR		 1567 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1568 raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id,
1569 sdev->channel);
1570 if (raid_device) {
1571 handle = raid_device->handle;
1572 percent_complete = raid_device->percent_complete;
1573 }
1574 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1575
1576 if (!handle)
1577 goto out;
1578
1579 if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0,
1580 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
1581 sizeof(Mpi2RaidVolPage0_t))) {
1582 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
1583 ioc->name, __FILE__, __LINE__, __func__);
1584 percent_complete = 0;
1585 goto out;
1586 }
1587
1588 volume_status_flags = le32_to_cpu(vol_pg0.VolumeStatusFlags);
1589 if (!(volume_status_flags &
1590 MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS))
1591 percent_complete = 0;
1592
1593 out:
b130b0d5
SS		 1594
1595 switch (ioc->hba_mpi_version_belonged) {
1596 case MPI2_VERSION:
c84b06a4 1597 raid_set_resync(mpt2sas_raid_template, dev, percent_complete);
b130b0d5
SS		 1598 break;
1599 case MPI25_VERSION:
1600 case MPI26_VERSION:
c84b06a4 1601 raid_set_resync(mpt3sas_raid_template, dev, percent_complete);
b130b0d5
SS		 1602 break;
1603 }
f92363d1
SR		 1604}
1605
1606/**
8a7e4c24 1607 * scsih_get_state - get raid volume level
f92363d1
SR		 1608 * @dev the device struct object
1609 */
8bbb1cf6 1610static void
8a7e4c24 1611scsih_get_state(struct device *dev)
f92363d1
SR		 1612{
1613 struct scsi_device *sdev = to_scsi_device(dev);
1614 struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host);
1615 static struct _raid_device *raid_device;
1616 unsigned long flags;
1617 Mpi2RaidVolPage0_t vol_pg0;
1618 Mpi2ConfigReply_t mpi_reply;
1619 u32 volstate;
1620 enum raid_state state = RAID_STATE_UNKNOWN;
1621 u16 handle = 0;
1622
1623 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1624 raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id,
1625 sdev->channel);
1626 if (raid_device)
1627 handle = raid_device->handle;
1628 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1629
1630 if (!raid_device)
1631 goto out;
1632
1633 if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0,
1634 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
1635 sizeof(Mpi2RaidVolPage0_t))) {
1636 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
1637 ioc->name, __FILE__, __LINE__, __func__);
1638 goto out;
1639 }
1640
1641 volstate = le32_to_cpu(vol_pg0.VolumeStatusFlags);
1642 if (volstate & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) {
1643 state = RAID_STATE_RESYNCING;
1644 goto out;
1645 }
1646
1647 switch (vol_pg0.VolumeState) {
1648 case MPI2_RAID_VOL_STATE_OPTIMAL:
1649 case MPI2_RAID_VOL_STATE_ONLINE:
1650 state = RAID_STATE_ACTIVE;
1651 break;
1652 case MPI2_RAID_VOL_STATE_DEGRADED:
1653 state = RAID_STATE_DEGRADED;
1654 break;
1655 case MPI2_RAID_VOL_STATE_FAILED:
1656 case MPI2_RAID_VOL_STATE_MISSING:
1657 state = RAID_STATE_OFFLINE;
1658 break;
1659 }
1660 out:
b130b0d5
SS		 1661 switch (ioc->hba_mpi_version_belonged) {
1662 case MPI2_VERSION:
c84b06a4 1663 raid_set_state(mpt2sas_raid_template, dev, state);
b130b0d5
SS		 1664 break;
1665 case MPI25_VERSION:
1666 case MPI26_VERSION:
c84b06a4 1667 raid_set_state(mpt3sas_raid_template, dev, state);
b130b0d5
SS		 1668 break;
1669 }
f92363d1
SR		 1670}
1671
1672/**
1673 * _scsih_set_level - set raid level
1674 * @sdev: scsi device struct
1675 * @volume_type: volume type
1676 */
1677static void
c84b06a4
SR		 1678_scsih_set_level(struct MPT3SAS_ADAPTER *ioc,
1679 struct scsi_device *sdev, u8 volume_type)
f92363d1
SR		 1680{
1681 enum raid_level level = RAID_LEVEL_UNKNOWN;
1682
1683 switch (volume_type) {
1684 case MPI2_RAID_VOL_TYPE_RAID0:
1685 level = RAID_LEVEL_0;
1686 break;
1687 case MPI2_RAID_VOL_TYPE_RAID10:
1688 level = RAID_LEVEL_10;
1689 break;
1690 case MPI2_RAID_VOL_TYPE_RAID1E:
1691 level = RAID_LEVEL_1E;
1692 break;
1693 case MPI2_RAID_VOL_TYPE_RAID1:
1694 level = RAID_LEVEL_1;
1695 break;
1696 }
1697
b130b0d5
SS		 1698 switch (ioc->hba_mpi_version_belonged) {
1699 case MPI2_VERSION:
c84b06a4 1700 raid_set_level(mpt2sas_raid_template,
b130b0d5
SS		 1701 &sdev->sdev_gendev, level);
1702 break;
1703 case MPI25_VERSION:
1704 case MPI26_VERSION:
c84b06a4 1705 raid_set_level(mpt3sas_raid_template,
b130b0d5
SS		 1706 &sdev->sdev_gendev, level);
1707 break;
1708 }
f92363d1
SR		 1709}
1710
1711
1712/**
1713 * _scsih_get_volume_capabilities - volume capabilities
1714 * @ioc: per adapter object
1715 * @sas_device: the raid_device object
1716 *
1717 * Returns 0 for success, else 1
1718 */
1719static int
1720_scsih_get_volume_capabilities(struct MPT3SAS_ADAPTER *ioc,
1721 struct _raid_device *raid_device)
1722{
1723 Mpi2RaidVolPage0_t *vol_pg0;
1724 Mpi2RaidPhysDiskPage0_t pd_pg0;
1725 Mpi2SasDevicePage0_t sas_device_pg0;
1726 Mpi2ConfigReply_t mpi_reply;
1727 u16 sz;
1728 u8 num_pds;
1729
1730 if ((mpt3sas_config_get_number_pds(ioc, raid_device->handle,
1731 &num_pds)) || !num_pds) {
1732 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1733 "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
1734 __func__));
1735 return 1;
1736 }
1737
1738 raid_device->num_pds = num_pds;
1739 sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds *
1740 sizeof(Mpi2RaidVol0PhysDisk_t));
1741 vol_pg0 = kzalloc(sz, GFP_KERNEL);
1742 if (!vol_pg0) {
1743 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1744 "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
1745 __func__));
1746 return 1;
1747 }
1748
1749 if ((mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0,
1750 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) {
1751 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1752 "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
1753 __func__));
1754 kfree(vol_pg0);
1755 return 1;
1756 }
1757
1758 raid_device->volume_type = vol_pg0->VolumeType;
1759
1760 /* figure out what the underlying devices are by
1761 * obtaining the device_info bits for the 1st device
1762 */
1763 if (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
1764 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM,
1765 vol_pg0->PhysDisk[0].PhysDiskNum))) {
1766 if (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
1767 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
1768 le16_to_cpu(pd_pg0.DevHandle)))) {
1769 raid_device->device_info =
1770 le32_to_cpu(sas_device_pg0.DeviceInfo);
1771 }
1772 }
1773
1774 kfree(vol_pg0);
1775 return 0;
1776}
1777
f92363d1
SR		 1778/**
1779 * _scsih_enable_tlr - setting TLR flags
1780 * @ioc: per adapter object
1781 * @sdev: scsi device struct
1782 *
1783 * Enabling Transaction Layer Retries for tape devices when
1784 * vpd page 0x90 is present
1785 *
1786 */
1787static void
1788_scsih_enable_tlr(struct MPT3SAS_ADAPTER *ioc, struct scsi_device *sdev)
1789{
1790
1791 /* only for TAPE */
1792 if (sdev->type != TYPE_TAPE)
1793 return;
1794
1795 if (!(ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR))
1796 return;
1797
1798 sas_enable_tlr(sdev);
1799 sdev_printk(KERN_INFO, sdev, "TLR %s\n",
1800 sas_is_tlr_enabled(sdev) ? "Enabled" : "Disabled");
1801 return;
1802
1803}
1804
1805/**
8a7e4c24 1806 * scsih_slave_configure - device configure routine.
f92363d1
SR		 1807 * @sdev: scsi device struct
1808 *
1809 * Returns 0 if ok. Any other return is assumed to be an error and
1810 * the device is ignored.
1811 */
8bbb1cf6 1812static int
8a7e4c24 1813scsih_slave_configure(struct scsi_device *sdev)
f92363d1
SR		 1814{
1815 struct Scsi_Host *shost = sdev->host;
1816 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
1817 struct MPT3SAS_DEVICE *sas_device_priv_data;
1818 struct MPT3SAS_TARGET *sas_target_priv_data;
1819 struct _sas_device *sas_device;
1820 struct _raid_device *raid_device;
1821 unsigned long flags;
1822 int qdepth;
1823 u8 ssp_target = 0;
1824 char *ds = "";
1825 char *r_level = "";
1826 u16 handle, volume_handle = 0;
1827 u64 volume_wwid = 0;
1828
1829 qdepth = 1;
1830 sas_device_priv_data = sdev->hostdata;
1831 sas_device_priv_data->configured_lun = 1;
1832 sas_device_priv_data->flags &= ~MPT_DEVICE_FLAGS_INIT;
1833 sas_target_priv_data = sas_device_priv_data->sas_target;
1834 handle = sas_target_priv_data->handle;
1835
1836 /* raid volume handling */
1837 if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME) {
1838
1839 spin_lock_irqsave(&ioc->raid_device_lock, flags);
c84b06a4 1840 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
f92363d1
SR		 1841 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1842 if (!raid_device) {
1843 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1844 "failure at %s:%d/%s()!\n", ioc->name, __FILE__,
1845 __LINE__, __func__));
1846 return 1;
1847 }
1848
1849 if (_scsih_get_volume_capabilities(ioc, raid_device)) {
1850 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1851 "failure at %s:%d/%s()!\n", ioc->name, __FILE__,
1852 __LINE__, __func__));
1853 return 1;
1854 }
1855
7786ab6a
SR		 1856 /*
1857 * WARPDRIVE: Initialize the required data for Direct IO
1858 */
c84b06a4 1859 mpt3sas_init_warpdrive_properties(ioc, raid_device);
f92363d1
SR		 1860
1861 /* RAID Queue Depth Support
1862 * IS volume = underlying qdepth of drive type, either
1863 * MPT3SAS_SAS_QUEUE_DEPTH or MPT3SAS_SATA_QUEUE_DEPTH
1864 * IM/IME/R10 = 128 (MPT3SAS_RAID_QUEUE_DEPTH)
1865 */
1866 if (raid_device->device_info &
1867 MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
1868 qdepth = MPT3SAS_SAS_QUEUE_DEPTH;
1869 ds = "SSP";
1870 } else {
1871 qdepth = MPT3SAS_SATA_QUEUE_DEPTH;
1872 if (raid_device->device_info &
1873 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
1874 ds = "SATA";
1875 else
1876 ds = "STP";
1877 }
1878
1879 switch (raid_device->volume_type) {
1880 case MPI2_RAID_VOL_TYPE_RAID0:
1881 r_level = "RAID0";
1882 break;
1883 case MPI2_RAID_VOL_TYPE_RAID1E:
1884 qdepth = MPT3SAS_RAID_QUEUE_DEPTH;
1885 if (ioc->manu_pg10.OEMIdentifier &&
1886 (le32_to_cpu(ioc->manu_pg10.GenericFlags0) &
1887 MFG10_GF0_R10_DISPLAY) &&
1888 !(raid_device->num_pds % 2))
1889 r_level = "RAID10";
1890 else
1891 r_level = "RAID1E";
1892 break;
1893 case MPI2_RAID_VOL_TYPE_RAID1:
1894 qdepth = MPT3SAS_RAID_QUEUE_DEPTH;
1895 r_level = "RAID1";
1896 break;
1897 case MPI2_RAID_VOL_TYPE_RAID10:
1898 qdepth = MPT3SAS_RAID_QUEUE_DEPTH;
1899 r_level = "RAID10";
1900 break;
1901 case MPI2_RAID_VOL_TYPE_UNKNOWN:
1902 default:
1903 qdepth = MPT3SAS_RAID_QUEUE_DEPTH;
1904 r_level = "RAIDX";
1905 break;
1906 }
1907
7786ab6a
SR		 1908 if (!ioc->hide_ir_msg)
1909 sdev_printk(KERN_INFO, sdev,
1910 "%s: handle(0x%04x), wwid(0x%016llx),"
1911 " pd_count(%d), type(%s)\n",
1912 r_level, raid_device->handle,
1913 (unsigned long long)raid_device->wwid,
1914 raid_device->num_pds, ds);
f92363d1 1915
6c197093
C		 1916 if (shost->max_sectors > MPT3SAS_RAID_MAX_SECTORS) {
1917 blk_queue_max_hw_sectors(sdev->request_queue,
1918 MPT3SAS_RAID_MAX_SECTORS);
1919 sdev_printk(KERN_INFO, sdev,
1920 "Set queue's max_sector to: %u\n",
1921 MPT3SAS_RAID_MAX_SECTORS);
1922 }
1923
8a7e4c24 1924 scsih_change_queue_depth(sdev, qdepth);
f92363d1 1925
7786ab6a
SR		 1926 /* raid transport support */
1927 if (!ioc->is_warpdrive)
c84b06a4 1928 _scsih_set_level(ioc, sdev, raid_device->volume_type);
f92363d1
SR		 1929 return 0;
1930 }
1931
1932 /* non-raid handling */
1933 if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1934 if (mpt3sas_config_get_volume_handle(ioc, handle,
1935 &volume_handle)) {
1936 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1937 "failure at %s:%d/%s()!\n", ioc->name,
1938 __FILE__, __LINE__, __func__));
1939 return 1;
1940 }
1941 if (volume_handle && mpt3sas_config_get_volume_wwid(ioc,
1942 volume_handle, &volume_wwid)) {
1943 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1944 "failure at %s:%d/%s()!\n", ioc->name,
1945 __FILE__, __LINE__, __func__));
1946 return 1;
1947 }
1948 }
1949
1950 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 1951 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
f92363d1
SR		 1952 sas_device_priv_data->sas_target->sas_address);
1953 if (!sas_device) {
1954 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1955 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1956 "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
1957 __func__));
1958 return 1;
1959 }
1960
1961 sas_device->volume_handle = volume_handle;
1962 sas_device->volume_wwid = volume_wwid;
1963 if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
1964 qdepth = MPT3SAS_SAS_QUEUE_DEPTH;
1965 ssp_target = 1;
30158dc9
SS		 1966 if (sas_device->device_info &
1967 MPI2_SAS_DEVICE_INFO_SEP) {
1968 sdev_printk(KERN_WARNING, sdev,
1969 "set ignore_delay_remove for handle(0x%04x)\n",
1970 sas_device_priv_data->sas_target->handle);
1971 sas_device_priv_data->ignore_delay_remove = 1;
1972 ds = "SES";
1973 } else
1974 ds = "SSP";
f92363d1
SR		 1975 } else {
1976 qdepth = MPT3SAS_SATA_QUEUE_DEPTH;
1977 if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET)
1978 ds = "STP";
1979 else if (sas_device->device_info &
1980 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
1981 ds = "SATA";
1982 }
1983
1984 sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), " \
1985 "sas_addr(0x%016llx), phy(%d), device_name(0x%016llx)\n",
1986 ds, handle, (unsigned long long)sas_device->sas_address,
1987 sas_device->phy, (unsigned long long)sas_device->device_name);
e6d45e3e
SR		 1988 if (sas_device->enclosure_handle != 0)
1989 sdev_printk(KERN_INFO, sdev,
1990 "%s: enclosure_logical_id(0x%016llx), slot(%d)\n",
1991 ds, (unsigned long long)
1992 sas_device->enclosure_logical_id, sas_device->slot);
1993 if (sas_device->connector_name[0] != '\0')
1994 sdev_printk(KERN_INFO, sdev,
1995 "%s: enclosure level(0x%04x), connector name( %s)\n",
1996 ds, sas_device->enclosure_level,
1997 sas_device->connector_name);
f92363d1 1998
d1cb5e49 1999 sas_device_put(sas_device);
f92363d1
SR		 2000 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2001
2002 if (!ssp_target)
2003 _scsih_display_sata_capabilities(ioc, handle, sdev);
2004
2005
8a7e4c24 2006 scsih_change_queue_depth(sdev, qdepth);
f92363d1
SR		 2007
2008 if (ssp_target) {
2009 sas_read_port_mode_page(sdev);
2010 _scsih_enable_tlr(ioc, sdev);
2011 }
2012
2013 return 0;
2014}
2015
2016/**
8a7e4c24 2017 * scsih_bios_param - fetch head, sector, cylinder info for a disk
f92363d1
SR		 2018 * @sdev: scsi device struct
2019 * @bdev: pointer to block device context
2020 * @capacity: device size (in 512 byte sectors)
2021 * @params: three element array to place output:
2022 * params[0] number of heads (max 255)
2023 * params[1] number of sectors (max 63)
2024 * params[2] number of cylinders
2025 *
2026 * Return nothing.
2027 */
8bbb1cf6 2028static int
8a7e4c24 2029scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev,
f92363d1
SR		 2030 sector_t capacity, int params[])
2031{
2032 int heads;
2033 int sectors;
2034 sector_t cylinders;
2035 ulong dummy;
2036
2037 heads = 64;
2038 sectors = 32;
2039
2040 dummy = heads * sectors;
2041 cylinders = capacity;
2042 sector_div(cylinders, dummy);
2043
2044 /*
2045 * Handle extended translation size for logical drives
2046 * > 1Gb
2047 */
2048 if ((ulong)capacity >= 0x200000) {
2049 heads = 255;
2050 sectors = 63;
2051 dummy = heads * sectors;
2052 cylinders = capacity;
2053 sector_div(cylinders, dummy);
2054 }
2055
2056 /* return result */
2057 params[0] = heads;
2058 params[1] = sectors;
2059 params[2] = cylinders;
2060
2061 return 0;
2062}
2063
2064/**
2065 * _scsih_response_code - translation of device response code
2066 * @ioc: per adapter object
2067 * @response_code: response code returned by the device
2068 *
2069 * Return nothing.
2070 */
2071static void
2072_scsih_response_code(struct MPT3SAS_ADAPTER *ioc, u8 response_code)
2073{
2074 char *desc;
2075
2076 switch (response_code) {
2077 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE:
2078 desc = "task management request completed";
2079 break;
2080 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME:
2081 desc = "invalid frame";
2082 break;
2083 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2084 desc = "task management request not supported";
2085 break;
2086 case MPI2_SCSITASKMGMT_RSP_TM_FAILED:
2087 desc = "task management request failed";
2088 break;
2089 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2090 desc = "task management request succeeded";
2091 break;
2092 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2093 desc = "invalid lun";
2094 break;
2095 case 0xA:
2096 desc = "overlapped tag attempted";
2097 break;
2098 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2099 desc = "task queued, however not sent to target";
2100 break;
2101 default:
2102 desc = "unknown";
2103 break;
2104 }
2105 pr_warn(MPT3SAS_FMT "response_code(0x%01x): %s\n",
2106 ioc->name, response_code, desc);
2107}
2108
2109/**
2110 * _scsih_tm_done - tm completion routine
2111 * @ioc: per adapter object
2112 * @smid: system request message index
2113 * @msix_index: MSIX table index supplied by the OS
2114 * @reply: reply message frame(lower 32bit addr)
2115 * Context: none.
2116 *
2117 * The callback handler when using scsih_issue_tm.
2118 *
2119 * Return 1 meaning mf should be freed from _base_interrupt
2120 * 0 means the mf is freed from this function.
2121 */
2122static u8
2123_scsih_tm_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
2124{
2125 MPI2DefaultReply_t *mpi_reply;
2126
2127 if (ioc->tm_cmds.status == MPT3_CMD_NOT_USED)
2128 return 1;
2129 if (ioc->tm_cmds.smid != smid)
2130 return 1;
f92363d1
SR		 2131 ioc->tm_cmds.status |= MPT3_CMD_COMPLETE;
2132 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
2133 if (mpi_reply) {
2134 memcpy(ioc->tm_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
2135 ioc->tm_cmds.status |= MPT3_CMD_REPLY_VALID;
2136 }
2137 ioc->tm_cmds.status &= ~MPT3_CMD_PENDING;
2138 complete(&ioc->tm_cmds.done);
2139 return 1;
2140}
2141
2142/**
2143 * mpt3sas_scsih_set_tm_flag - set per target tm_busy
2144 * @ioc: per adapter object
2145 * @handle: device handle
2146 *
2147 * During taskmangement request, we need to freeze the device queue.
2148 */
2149void
2150mpt3sas_scsih_set_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle)
2151{
2152 struct MPT3SAS_DEVICE *sas_device_priv_data;
2153 struct scsi_device *sdev;
2154 u8 skip = 0;
2155
2156 shost_for_each_device(sdev, ioc->shost) {
2157 if (skip)
2158 continue;
2159 sas_device_priv_data = sdev->hostdata;
2160 if (!sas_device_priv_data)
2161 continue;
2162 if (sas_device_priv_data->sas_target->handle == handle) {
2163 sas_device_priv_data->sas_target->tm_busy = 1;
2164 skip = 1;
2165 ioc->ignore_loginfos = 1;
2166 }
2167 }
2168}
2169
2170/**
2171 * mpt3sas_scsih_clear_tm_flag - clear per target tm_busy
2172 * @ioc: per adapter object
2173 * @handle: device handle
2174 *
2175 * During taskmangement request, we need to freeze the device queue.
2176 */
2177void
2178mpt3sas_scsih_clear_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle)
2179{
2180 struct MPT3SAS_DEVICE *sas_device_priv_data;
2181 struct scsi_device *sdev;
2182 u8 skip = 0;
2183
2184 shost_for_each_device(sdev, ioc->shost) {
2185 if (skip)
2186 continue;
2187 sas_device_priv_data = sdev->hostdata;
2188 if (!sas_device_priv_data)
2189 continue;
2190 if (sas_device_priv_data->sas_target->handle == handle) {
2191 sas_device_priv_data->sas_target->tm_busy = 0;
2192 skip = 1;
2193 ioc->ignore_loginfos = 0;
2194 }
2195 }
2196}
2197
2198/**
2199 * mpt3sas_scsih_issue_tm - main routine for sending tm requests
2200 * @ioc: per adapter struct
2201 * @device_handle: device handle
2202 * @channel: the channel assigned by the OS
2203 * @id: the id assigned by the OS
2204 * @lun: lun number
2205 * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h)
2206 * @smid_task: smid assigned to the task
2207 * @timeout: timeout in seconds
f92363d1
SR		 2208 * Context: user
2209 *
2210 * A generic API for sending task management requests to firmware.
2211 *
2212 * The callback index is set inside `ioc->tm_cb_idx`.
2213 *
2214 * Return SUCCESS or FAILED.
2215 */
2216int
2217mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle, uint channel,
96902835 2218 uint id, uint lun, u8 type, u16 smid_task, ulong timeout)
f92363d1
SR		 2219{
2220 Mpi2SCSITaskManagementRequest_t *mpi_request;
2221 Mpi2SCSITaskManagementReply_t *mpi_reply;
2222 u16 smid = 0;
2223 u32 ioc_state;
f92363d1
SR		 2224 struct scsiio_tracker *scsi_lookup = NULL;
2225 int rc;
03d1fb3a 2226 u16 msix_task = 0;
f92363d1 2227
96902835
CO		 2228 lockdep_assert_held(&ioc->tm_cmds.mutex);
2229
f92363d1
SR		 2230 if (ioc->tm_cmds.status != MPT3_CMD_NOT_USED) {
2231 pr_info(MPT3SAS_FMT "%s: tm_cmd busy!!!\n",
2232 __func__, ioc->name);
96902835 2233 return FAILED;
f92363d1
SR		 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);
96902835 2240 return FAILED;
f92363d1
SR		 2241 }
2242
2243 ioc_state = mpt3sas_base_get_iocstate(ioc, 0);
2244 if (ioc_state & MPI2_DOORBELL_USED) {
2245 dhsprintk(ioc, pr_info(MPT3SAS_FMT
2246 "unexpected doorbell active!\n", ioc->name));
98c56ad3 2247 rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
96902835 2248 return (!rc) ? SUCCESS : FAILED;
f92363d1
SR		 2249 }
2250
2251 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
2252 mpt3sas_base_fault_info(ioc, ioc_state &
2253 MPI2_DOORBELL_DATA_MASK);
98c56ad3 2254 rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
96902835 2255 return (!rc) ? SUCCESS : FAILED;
f92363d1
SR		 2256 }
2257
2258 smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx);
2259 if (!smid) {
2260 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
2261 ioc->name, __func__);
96902835 2262 return FAILED;
f92363d1
SR		 2263 }
2264
2265 if (type == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK)
2266 scsi_lookup = &ioc->scsi_lookup[smid_task - 1];
2267
2268 dtmprintk(ioc, pr_info(MPT3SAS_FMT
2269 "sending tm: handle(0x%04x), task_type(0x%02x), smid(%d)\n",
2270 ioc->name, handle, type, smid_task));
2271 ioc->tm_cmds.status = MPT3_CMD_PENDING;
2272 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
2273 ioc->tm_cmds.smid = smid;
2274 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
2275 memset(ioc->tm_cmds.reply, 0, sizeof(Mpi2SCSITaskManagementReply_t));
2276 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
2277 mpi_request->DevHandle = cpu_to_le16(handle);
2278 mpi_request->TaskType = type;
2279 mpi_request->TaskMID = cpu_to_le16(smid_task);
2280 int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN);
2281 mpt3sas_scsih_set_tm_flag(ioc, handle);
2282 init_completion(&ioc->tm_cmds.done);
03d1fb3a
SS		 2283 if ((type == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK) &&
2284 (scsi_lookup->msix_io < ioc->reply_queue_count))
2285 msix_task = scsi_lookup->msix_io;
2286 else
2287 msix_task = 0;
2288 mpt3sas_base_put_smid_hi_priority(ioc, smid, msix_task);
8bbb1cf6 2289 wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ);
f92363d1
SR		 2290 if (!(ioc->tm_cmds.status & MPT3_CMD_COMPLETE)) {
2291 pr_err(MPT3SAS_FMT "%s: timeout\n",
2292 ioc->name, __func__);
2293 _debug_dump_mf(mpi_request,
2294 sizeof(Mpi2SCSITaskManagementRequest_t)/4);
2295 if (!(ioc->tm_cmds.status & MPT3_CMD_RESET)) {
98c56ad3
CO		 2296 rc = mpt3sas_base_hard_reset_handler(ioc,
2297 FORCE_BIG_HAMMER);
f92363d1 2298 rc = (!rc) ? SUCCESS : FAILED;
96902835 2299 goto out;
f92363d1
SR		 2300 }
2301 }
2302
5f0dfb7a
C		 2303 /* sync IRQs in case those were busy during flush. */
2304 mpt3sas_base_sync_reply_irqs(ioc);
2305
f92363d1
SR		 2306 if (ioc->tm_cmds.status & MPT3_CMD_REPLY_VALID) {
2307 mpt3sas_trigger_master(ioc, MASTER_TRIGGER_TASK_MANAGMENT);
2308 mpi_reply = ioc->tm_cmds.reply;
2309 dtmprintk(ioc, pr_info(MPT3SAS_FMT "complete tm: " \
2310 "ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n",
2311 ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
2312 le32_to_cpu(mpi_reply->IOCLogInfo),
2313 le32_to_cpu(mpi_reply->TerminationCount)));
2314 if (ioc->logging_level & MPT_DEBUG_TM) {
2315 _scsih_response_code(ioc, mpi_reply->ResponseCode);
2316 if (mpi_reply->IOCStatus)
2317 _debug_dump_mf(mpi_request,
2318 sizeof(Mpi2SCSITaskManagementRequest_t)/4);
2319 }
2320 }
2321
2322 switch (type) {
2323 case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK:
2324 rc = SUCCESS;
2325 if (scsi_lookup->scmd == NULL)
2326 break;
2327 rc = FAILED;
2328 break;
2329
2330 case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET:
2331 if (_scsih_scsi_lookup_find_by_target(ioc, id, channel))
2332 rc = FAILED;
2333 else
2334 rc = SUCCESS;
2335 break;
2336 case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET:
2337 case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET:
2338 if (_scsih_scsi_lookup_find_by_lun(ioc, id, lun, channel))
2339 rc = FAILED;
2340 else
2341 rc = SUCCESS;
2342 break;
2343 case MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK:
2344 rc = SUCCESS;
2345 break;
2346 default:
2347 rc = FAILED;
2348 break;
2349 }
2350
96902835 2351out:
f92363d1
SR		 2352 mpt3sas_scsih_clear_tm_flag(ioc, handle);
2353 ioc->tm_cmds.status = MPT3_CMD_NOT_USED;
f92363d1 2354 return rc;
96902835 2355}
f92363d1 2356
96902835
CO		 2357int mpt3sas_scsih_issue_locked_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle,
2358 uint channel, uint id, uint lun, u8 type, u16 smid_task, ulong timeout)
2359{
2360 int ret;
2361
2362 mutex_lock(&ioc->tm_cmds.mutex);
2363 ret = mpt3sas_scsih_issue_tm(ioc, handle, channel, id, lun, type,
2364 smid_task, timeout);
2365 mutex_unlock(&ioc->tm_cmds.mutex);
2366
2367 return ret;
f92363d1
SR		 2368}
2369
2370/**
2371 * _scsih_tm_display_info - displays info about the device
2372 * @ioc: per adapter struct
2373 * @scmd: pointer to scsi command object
2374 *
2375 * Called by task management callback handlers.
2376 */
2377static void
2378_scsih_tm_display_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd)
2379{
2380 struct scsi_target *starget = scmd->device->sdev_target;
2381 struct MPT3SAS_TARGET *priv_target = starget->hostdata;
2382 struct _sas_device *sas_device = NULL;
2383 unsigned long flags;
2384 char *device_str = NULL;
2385
2386 if (!priv_target)
2387 return;
7786ab6a
SR		 2388 if (ioc->hide_ir_msg)
2389 device_str = "WarpDrive";
2390 else
2391 device_str = "volume";
f92363d1
SR		 2392
2393 scsi_print_command(scmd);
2394 if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) {
2395 starget_printk(KERN_INFO, starget,
2396 "%s handle(0x%04x), %s wwid(0x%016llx)\n",
2397 device_str, priv_target->handle,
2398 device_str, (unsigned long long)priv_target->sas_address);
2399 } else {
2400 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 2401 sas_device = __mpt3sas_get_sdev_from_target(ioc, priv_target);
f92363d1
SR		 2402 if (sas_device) {
2403 if (priv_target->flags &
2404 MPT_TARGET_FLAGS_RAID_COMPONENT) {
2405 starget_printk(KERN_INFO, starget,
2406 "volume handle(0x%04x), "
2407 "volume wwid(0x%016llx)\n",
2408 sas_device->volume_handle,
2409 (unsigned long long)sas_device->volume_wwid);
2410 }
2411 starget_printk(KERN_INFO, starget,
2412 "handle(0x%04x), sas_address(0x%016llx), phy(%d)\n",
2413 sas_device->handle,
2414 (unsigned long long)sas_device->sas_address,
2415 sas_device->phy);
e6d45e3e
SR		 2416 if (sas_device->enclosure_handle != 0)
2417 starget_printk(KERN_INFO, starget,
2418 "enclosure_logical_id(0x%016llx), slot(%d)\n",
2419 (unsigned long long)
2420 sas_device->enclosure_logical_id,
2421 sas_device->slot);
869817f9 2422 if (sas_device->connector_name[0] != '\0')
e6d45e3e
SR		 2423 starget_printk(KERN_INFO, starget,
2424 "enclosure level(0x%04x),connector name(%s)\n",
2425 sas_device->enclosure_level,
2426 sas_device->connector_name);
d1cb5e49
SR		 2427
2428 sas_device_put(sas_device);
f92363d1
SR		 2429 }
2430 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2431 }
2432}
2433
2434/**
8a7e4c24 2435 * scsih_abort - eh threads main abort routine
f92363d1
SR		 2436 * @scmd: pointer to scsi command object
2437 *
2438 * Returns SUCCESS if command aborted else FAILED
2439 */
8bbb1cf6 2440static int
8a7e4c24 2441scsih_abort(struct scsi_cmnd *scmd)
f92363d1
SR		 2442{
2443 struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2444 struct MPT3SAS_DEVICE *sas_device_priv_data;
2445 u16 smid;
2446 u16 handle;
2447 int r;
2448
2449 sdev_printk(KERN_INFO, scmd->device,
2450 "attempting task abort! scmd(%p)\n", scmd);
2451 _scsih_tm_display_info(ioc, scmd);
2452
2453 sas_device_priv_data = scmd->device->hostdata;
2454 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
2455 sdev_printk(KERN_INFO, scmd->device,
2456 "device been deleted! scmd(%p)\n", scmd);
2457 scmd->result = DID_NO_CONNECT << 16;
2458 scmd->scsi_done(scmd);
2459 r = SUCCESS;
2460 goto out;
2461 }
2462
2463 /* search for the command */
2464 smid = _scsih_scsi_lookup_find_by_scmd(ioc, scmd);
2465 if (!smid) {
2466 scmd->result = DID_RESET << 16;
2467 r = SUCCESS;
2468 goto out;
2469 }
2470
2471 /* for hidden raid components and volumes this is not supported */
2472 if (sas_device_priv_data->sas_target->flags &
2473 MPT_TARGET_FLAGS_RAID_COMPONENT ||
2474 sas_device_priv_data->sas_target->flags & MPT_TARGET_FLAGS_VOLUME) {
2475 scmd->result = DID_RESET << 16;
2476 r = FAILED;
2477 goto out;
2478 }
2479
2480 mpt3sas_halt_firmware(ioc);
2481
2482 handle = sas_device_priv_data->sas_target->handle;
96902835 2483 r = mpt3sas_scsih_issue_locked_tm(ioc, handle, scmd->device->channel,
f92363d1 2484 scmd->device->id, scmd->device->lun,
96902835 2485 MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30);
f92363d1
SR		 2486
2487 out:
2488 sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(%p)\n",
2489 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2490 return r;
2491}
2492
2493/**
8a7e4c24 2494 * scsih_dev_reset - eh threads main device reset routine
f92363d1
SR		 2495 * @scmd: pointer to scsi command object
2496 *
2497 * Returns SUCCESS if command aborted else FAILED
2498 */
8bbb1cf6 2499static int
8a7e4c24 2500scsih_dev_reset(struct scsi_cmnd *scmd)
f92363d1
SR		 2501{
2502 struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2503 struct MPT3SAS_DEVICE *sas_device_priv_data;
d1cb5e49 2504 struct _sas_device *sas_device = NULL;
f92363d1
SR		 2505 u16 handle;
2506 int r;
2507
d1cb5e49
SR		 2508 struct scsi_target *starget = scmd->device->sdev_target;
2509 struct MPT3SAS_TARGET *target_priv_data = starget->hostdata;
2510
f92363d1
SR		 2511 sdev_printk(KERN_INFO, scmd->device,
2512 "attempting device reset! scmd(%p)\n", scmd);
2513 _scsih_tm_display_info(ioc, scmd);
2514
2515 sas_device_priv_data = scmd->device->hostdata;
2516 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
2517 sdev_printk(KERN_INFO, scmd->device,
2518 "device been deleted! scmd(%p)\n", scmd);
2519 scmd->result = DID_NO_CONNECT << 16;
2520 scmd->scsi_done(scmd);
2521 r = SUCCESS;
2522 goto out;
2523 }
2524
2525 /* for hidden raid components obtain the volume_handle */
2526 handle = 0;
2527 if (sas_device_priv_data->sas_target->flags &
2528 MPT_TARGET_FLAGS_RAID_COMPONENT) {
d1cb5e49
SR		 2529 sas_device = mpt3sas_get_sdev_from_target(ioc,
2530 target_priv_data);
f92363d1
SR		 2531 if (sas_device)
2532 handle = sas_device->volume_handle;
f92363d1
SR		 2533 } else
2534 handle = sas_device_priv_data->sas_target->handle;
2535
2536 if (!handle) {
2537 scmd->result = DID_RESET << 16;
2538 r = FAILED;
2539 goto out;
2540 }
2541
96902835 2542 r = mpt3sas_scsih_issue_locked_tm(ioc, handle, scmd->device->channel,
f92363d1 2543 scmd->device->id, scmd->device->lun,
96902835 2544 MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 0, 30);
f92363d1
SR		 2545
2546 out:
2547 sdev_printk(KERN_INFO, scmd->device, "device reset: %s scmd(%p)\n",
2548 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
d1cb5e49
SR		 2549
2550 if (sas_device)
2551 sas_device_put(sas_device);
2552
f92363d1
SR		 2553 return r;
2554}
2555
2556/**
8a7e4c24 2557 * scsih_target_reset - eh threads main target reset routine
f92363d1
SR		 2558 * @scmd: pointer to scsi command object
2559 *
2560 * Returns SUCCESS if command aborted else FAILED
2561 */
8bbb1cf6 2562static int
8a7e4c24 2563scsih_target_reset(struct scsi_cmnd *scmd)
f92363d1
SR		 2564{
2565 struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2566 struct MPT3SAS_DEVICE *sas_device_priv_data;
d1cb5e49 2567 struct _sas_device *sas_device = NULL;
f92363d1
SR		 2568 u16 handle;
2569 int r;
2570 struct scsi_target *starget = scmd->device->sdev_target;
d1cb5e49 2571 struct MPT3SAS_TARGET *target_priv_data = starget->hostdata;
f92363d1
SR		 2572
2573 starget_printk(KERN_INFO, starget, "attempting target reset! scmd(%p)\n",
2574 scmd);
2575 _scsih_tm_display_info(ioc, scmd);
2576
2577 sas_device_priv_data = scmd->device->hostdata;
2578 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
2579 starget_printk(KERN_INFO, starget, "target been deleted! scmd(%p)\n",
2580 scmd);
2581 scmd->result = DID_NO_CONNECT << 16;
2582 scmd->scsi_done(scmd);
2583 r = SUCCESS;
2584 goto out;
2585 }
2586
2587 /* for hidden raid components obtain the volume_handle */
2588 handle = 0;
2589 if (sas_device_priv_data->sas_target->flags &
2590 MPT_TARGET_FLAGS_RAID_COMPONENT) {
d1cb5e49
SR		 2591 sas_device = mpt3sas_get_sdev_from_target(ioc,
2592 target_priv_data);
f92363d1
SR		 2593 if (sas_device)
2594 handle = sas_device->volume_handle;
f92363d1
SR		 2595 } else
2596 handle = sas_device_priv_data->sas_target->handle;
2597
2598 if (!handle) {
2599 scmd->result = DID_RESET << 16;
2600 r = FAILED;
2601 goto out;
2602 }
2603
96902835 2604 r = mpt3sas_scsih_issue_locked_tm(ioc, handle, scmd->device->channel,
f92363d1 2605 scmd->device->id, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0,
96902835 2606 30);
f92363d1
SR		 2607
2608 out:
2609 starget_printk(KERN_INFO, starget, "target reset: %s scmd(%p)\n",
2610 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
d1cb5e49
SR		 2611
2612 if (sas_device)
2613 sas_device_put(sas_device);
2614
f92363d1
SR		 2615 return r;
2616}
2617
2618
2619/**
8a7e4c24 2620 * scsih_host_reset - eh threads main host reset routine
f92363d1
SR		 2621 * @scmd: pointer to scsi command object
2622 *
2623 * Returns SUCCESS if command aborted else FAILED
2624 */
8bbb1cf6 2625static int
8a7e4c24 2626scsih_host_reset(struct scsi_cmnd *scmd)
f92363d1
SR		 2627{
2628 struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2629 int r, retval;
2630
2631 pr_info(MPT3SAS_FMT "attempting host reset! scmd(%p)\n",
2632 ioc->name, scmd);
2633 scsi_print_command(scmd);
2634
ddb588be
SR		 2635 if (ioc->is_driver_loading) {
2636 pr_info(MPT3SAS_FMT "Blocking the host reset\n",
2637 ioc->name);
2638 r = FAILED;
2639 goto out;
2640 }
2641
98c56ad3 2642 retval = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
f92363d1 2643 r = (retval < 0) ? FAILED : SUCCESS;
ddb588be 2644out:
f92363d1
SR		 2645 pr_info(MPT3SAS_FMT "host reset: %s scmd(%p)\n",
2646 ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2647
2648 return r;
2649}
2650
2651/**
2652 * _scsih_fw_event_add - insert and queue up fw_event
2653 * @ioc: per adapter object
2654 * @fw_event: object describing the event
2655 * Context: This function will acquire ioc->fw_event_lock.
2656 *
2657 * This adds the firmware event object into link list, then queues it up to
2658 * be processed from user context.
2659 *
2660 * Return nothing.
2661 */
2662static void
2663_scsih_fw_event_add(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
2664{
2665 unsigned long flags;
2666
2667 if (ioc->firmware_event_thread == NULL)
2668 return;
2669
2670 spin_lock_irqsave(&ioc->fw_event_lock, flags);
146b16c8 2671 fw_event_work_get(fw_event);
f92363d1
SR		 2672 INIT_LIST_HEAD(&fw_event->list);
2673 list_add_tail(&fw_event->list, &ioc->fw_event_list);
2674 INIT_WORK(&fw_event->work, _firmware_event_work);
146b16c8 2675 fw_event_work_get(fw_event);
f92363d1
SR		 2676 queue_work(ioc->firmware_event_thread, &fw_event->work);
2677 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2678}
2679
2680/**
146b16c8 2681 * _scsih_fw_event_del_from_list - delete fw_event from the list
f92363d1
SR		 2682 * @ioc: per adapter object
2683 * @fw_event: object describing the event
2684 * Context: This function will acquire ioc->fw_event_lock.
2685 *
146b16c8 2686 * If the fw_event is on the fw_event_list, remove it and do a put.
f92363d1
SR		 2687 *
2688 * Return nothing.
2689 */
2690static void
146b16c8 2691_scsih_fw_event_del_from_list(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work
f92363d1
SR		 2692 *fw_event)
2693{
2694 unsigned long flags;
2695
2696 spin_lock_irqsave(&ioc->fw_event_lock, flags);
146b16c8
SR		 2697 if (!list_empty(&fw_event->list)) {
2698 list_del_init(&fw_event->list);
2699 fw_event_work_put(fw_event);
2700 }
f92363d1
SR		 2701 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2702}
2703
2704
2705 /**
2706 * mpt3sas_send_trigger_data_event - send event for processing trigger data
2707 * @ioc: per adapter object
2708 * @event_data: trigger event data
2709 *
2710 * Return nothing.
2711 */
2712void
2713mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER *ioc,
2714 struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data)
2715{
2716 struct fw_event_work *fw_event;
146b16c8 2717 u16 sz;
f92363d1
SR		 2718
2719 if (ioc->is_driver_loading)
2720 return;
146b16c8
SR		 2721 sz = sizeof(*event_data);
2722 fw_event = alloc_fw_event_work(sz);
f92363d1
SR		 2723 if (!fw_event)
2724 return;
f92363d1
SR		 2725 fw_event->event = MPT3SAS_PROCESS_TRIGGER_DIAG;
2726 fw_event->ioc = ioc;
2727 memcpy(fw_event->event_data, event_data, sizeof(*event_data));
2728 _scsih_fw_event_add(ioc, fw_event);
146b16c8 2729 fw_event_work_put(fw_event);
f92363d1
SR		 2730}
2731
2732/**
2733 * _scsih_error_recovery_delete_devices - remove devices not responding
2734 * @ioc: per adapter object
2735 *
2736 * Return nothing.
2737 */
2738static void
2739_scsih_error_recovery_delete_devices(struct MPT3SAS_ADAPTER *ioc)
2740{
2741 struct fw_event_work *fw_event;
2742
2743 if (ioc->is_driver_loading)
2744 return;
146b16c8 2745 fw_event = alloc_fw_event_work(0);
f92363d1
SR		 2746 if (!fw_event)
2747 return;
2748 fw_event->event = MPT3SAS_REMOVE_UNRESPONDING_DEVICES;
2749 fw_event->ioc = ioc;
2750 _scsih_fw_event_add(ioc, fw_event);
146b16c8 2751 fw_event_work_put(fw_event);
f92363d1
SR		 2752}
2753
2754/**
2755 * mpt3sas_port_enable_complete - port enable completed (fake event)
2756 * @ioc: per adapter object
2757 *
2758 * Return nothing.
2759 */
2760void
2761mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc)
2762{
2763 struct fw_event_work *fw_event;
2764
146b16c8 2765 fw_event = alloc_fw_event_work(0);
f92363d1
SR		 2766 if (!fw_event)
2767 return;
2768 fw_event->event = MPT3SAS_PORT_ENABLE_COMPLETE;
2769 fw_event->ioc = ioc;
2770 _scsih_fw_event_add(ioc, fw_event);
146b16c8
SR		 2771 fw_event_work_put(fw_event);
2772}
2773
2774static struct fw_event_work *dequeue_next_fw_event(struct MPT3SAS_ADAPTER *ioc)
2775{
2776 unsigned long flags;
2777 struct fw_event_work *fw_event = NULL;
2778
2779 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2780 if (!list_empty(&ioc->fw_event_list)) {
2781 fw_event = list_first_entry(&ioc->fw_event_list,
2782 struct fw_event_work, list);
2783 list_del_init(&fw_event->list);
2784 }
2785 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2786
2787 return fw_event;
f92363d1
SR		 2788}
2789
2790/**
2791 * _scsih_fw_event_cleanup_queue - cleanup event queue
2792 * @ioc: per adapter object
2793 *
2794 * Walk the firmware event queue, either killing timers, or waiting
2795 * for outstanding events to complete
2796 *
2797 * Return nothing.
2798 */
2799static void
2800_scsih_fw_event_cleanup_queue(struct MPT3SAS_ADAPTER *ioc)
2801{
146b16c8 2802 struct fw_event_work *fw_event;
f92363d1
SR		 2803
2804 if (list_empty(&ioc->fw_event_list) ||
2805 !ioc->firmware_event_thread || in_interrupt())
2806 return;
2807
146b16c8
SR		 2808 while ((fw_event = dequeue_next_fw_event(ioc))) {
2809 /*
2810 * Wait on the fw_event to complete. If this returns 1, then
2811 * the event was never executed, and we need a put for the
b8ac0cc7 2812 * reference the work had on the fw_event.
146b16c8
SR		 2813 *
2814 * If it did execute, we wait for it to finish, and the put will
2815 * happen from _firmware_event_work()
2816 */
b8ac0cc7 2817 if (cancel_work_sync(&fw_event->work))
146b16c8
SR		 2818 fw_event_work_put(fw_event);
2819
2820 fw_event_work_put(fw_event);
f92363d1
SR		 2821 }
2822}
2823
df838f92
SR		 2824/**
2825 * _scsih_internal_device_block - block the sdev device
2826 * @sdev: per device object
2827 * @sas_device_priv_data : per device driver private data
2828 *
2829 * make sure device is blocked without error, if not
2830 * print an error
2831 */
2832static void
2833_scsih_internal_device_block(struct scsi_device *sdev,
2834 struct MPT3SAS_DEVICE *sas_device_priv_data)
2835{
2836 int r = 0;
2837
2838 sdev_printk(KERN_INFO, sdev, "device_block, handle(0x%04x)\n",
2839 sas_device_priv_data->sas_target->handle);
2840 sas_device_priv_data->block = 1;
2841
2842 r = scsi_internal_device_block(sdev);
2843 if (r == -EINVAL)
2844 sdev_printk(KERN_WARNING, sdev,
2845 "device_block failed with return(%d) for handle(0x%04x)\n",
b2fe6be7 2846 r, sas_device_priv_data->sas_target->handle);
df838f92
SR		 2847}
2848
2849/**
2850 * _scsih_internal_device_unblock - unblock the sdev device
2851 * @sdev: per device object
2852 * @sas_device_priv_data : per device driver private data
2853 * make sure device is unblocked without error, if not retry
2854 * by blocking and then unblocking
2855 */
2856
2857static void
2858_scsih_internal_device_unblock(struct scsi_device *sdev,
2859 struct MPT3SAS_DEVICE *sas_device_priv_data)
2860{
2861 int r = 0;
2862
2863 sdev_printk(KERN_WARNING, sdev, "device_unblock and setting to running, "
2864 "handle(0x%04x)\n", sas_device_priv_data->sas_target->handle);
2865 sas_device_priv_data->block = 0;
2866 r = scsi_internal_device_unblock(sdev, SDEV_RUNNING);
2867 if (r == -EINVAL) {
2868 /* The device has been set to SDEV_RUNNING by SD layer during
2869 * device addition but the request queue is still stopped by
2870 * our earlier block call. We need to perform a block again
2871 * to get the device to SDEV_BLOCK and then to SDEV_RUNNING */
2872
2873 sdev_printk(KERN_WARNING, sdev,
2874 "device_unblock failed with return(%d) for handle(0x%04x) "
2875 "performing a block followed by an unblock\n",
b2fe6be7 2876 r, sas_device_priv_data->sas_target->handle);
df838f92
SR		 2877 sas_device_priv_data->block = 1;
2878 r = scsi_internal_device_block(sdev);
2879 if (r)
2880 sdev_printk(KERN_WARNING, sdev, "retried device_block "
2881 "failed with return(%d) for handle(0x%04x)\n",
b2fe6be7 2882 r, sas_device_priv_data->sas_target->handle);
df838f92
SR		 2883
2884 sas_device_priv_data->block = 0;
2885 r = scsi_internal_device_unblock(sdev, SDEV_RUNNING);
2886 if (r)
2887 sdev_printk(KERN_WARNING, sdev, "retried device_unblock"
2888 " failed with return(%d) for handle(0x%04x)\n",
b2fe6be7 2889 r, sas_device_priv_data->sas_target->handle);
df838f92
SR		 2890 }
2891}
2892
f92363d1
SR		 2893/**
2894 * _scsih_ublock_io_all_device - unblock every device
2895 * @ioc: per adapter object
2896 *
2897 * change the device state from block to running
2898 */
2899static void
2900_scsih_ublock_io_all_device(struct MPT3SAS_ADAPTER *ioc)
2901{
2902 struct MPT3SAS_DEVICE *sas_device_priv_data;
2903 struct scsi_device *sdev;
2904
2905 shost_for_each_device(sdev, ioc->shost) {
2906 sas_device_priv_data = sdev->hostdata;
2907 if (!sas_device_priv_data)
2908 continue;
2909 if (!sas_device_priv_data->block)
2910 continue;
2911
f92363d1
SR		 2912 dewtprintk(ioc, sdev_printk(KERN_INFO, sdev,
2913 "device_running, handle(0x%04x)\n",
2914 sas_device_priv_data->sas_target->handle));
df838f92 2915 _scsih_internal_device_unblock(sdev, sas_device_priv_data);
f92363d1
SR		 2916 }
2917}
2918
2919
2920/**
2921 * _scsih_ublock_io_device - prepare device to be deleted
2922 * @ioc: per adapter object
2923 * @sas_addr: sas address
2924 *
2925 * unblock then put device in offline state
2926 */
2927static void
2928_scsih_ublock_io_device(struct MPT3SAS_ADAPTER *ioc, u64 sas_address)
2929{
2930 struct MPT3SAS_DEVICE *sas_device_priv_data;
2931 struct scsi_device *sdev;
2932
2933 shost_for_each_device(sdev, ioc->shost) {
2934 sas_device_priv_data = sdev->hostdata;
2935 if (!sas_device_priv_data)
2936 continue;
2937 if (sas_device_priv_data->sas_target->sas_address
2938 != sas_address)
2939 continue;
df838f92
SR		 2940 if (sas_device_priv_data->block)
2941 _scsih_internal_device_unblock(sdev,
2942 sas_device_priv_data);
f92363d1
SR		 2943 }
2944}
2945
2946/**
2947 * _scsih_block_io_all_device - set the device state to SDEV_BLOCK
2948 * @ioc: per adapter object
2949 * @handle: device handle
2950 *
2951 * During device pull we need to appropiately set the sdev state.
2952 */
2953static void
2954_scsih_block_io_all_device(struct MPT3SAS_ADAPTER *ioc)
2955{
2956 struct MPT3SAS_DEVICE *sas_device_priv_data;
2957 struct scsi_device *sdev;
2958
2959 shost_for_each_device(sdev, ioc->shost) {
2960 sas_device_priv_data = sdev->hostdata;
2961 if (!sas_device_priv_data)
2962 continue;
2963 if (sas_device_priv_data->block)
2964 continue;
30158dc9
SS		 2965 if (sas_device_priv_data->ignore_delay_remove) {
2966 sdev_printk(KERN_INFO, sdev,
2967 "%s skip device_block for SES handle(0x%04x)\n",
2968 __func__, sas_device_priv_data->sas_target->handle);
2969 continue;
2970 }
df838f92 2971 _scsih_internal_device_block(sdev, sas_device_priv_data);
f92363d1
SR		 2972 }
2973}
2974
2975/**
2976 * _scsih_block_io_device - set the device state to SDEV_BLOCK
2977 * @ioc: per adapter object
2978 * @handle: device handle
2979 *
2980 * During device pull we need to appropiately set the sdev state.
2981 */
2982static void
2983_scsih_block_io_device(struct MPT3SAS_ADAPTER *ioc, u16 handle)
2984{
2985 struct MPT3SAS_DEVICE *sas_device_priv_data;
2986 struct scsi_device *sdev;
e4bc7f5c
SR		 2987 struct _sas_device *sas_device;
2988
d1cb5e49 2989 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
e4bc7f5c
SR		 2990 if (!sas_device)
2991 return;
f92363d1
SR		 2992
2993 shost_for_each_device(sdev, ioc->shost) {
2994 sas_device_priv_data = sdev->hostdata;
2995 if (!sas_device_priv_data)
2996 continue;
2997 if (sas_device_priv_data->sas_target->handle != handle)
2998 continue;
2999 if (sas_device_priv_data->block)
3000 continue;
e4bc7f5c
SR		 3001 if (sas_device->pend_sas_rphy_add)
3002 continue;
30158dc9
SS		 3003 if (sas_device_priv_data->ignore_delay_remove) {
3004 sdev_printk(KERN_INFO, sdev,
3005 "%s skip device_block for SES handle(0x%04x)\n",
3006 __func__, sas_device_priv_data->sas_target->handle);
3007 continue;
3008 }
df838f92 3009 _scsih_internal_device_block(sdev, sas_device_priv_data);
f92363d1 3010 }
d1cb5e49
SR		 3011
3012 sas_device_put(sas_device);
f92363d1
SR		 3013}
3014
3015/**
3016 * _scsih_block_io_to_children_attached_to_ex
3017 * @ioc: per adapter object
3018 * @sas_expander: the sas_device object
3019 *
3020 * This routine set sdev state to SDEV_BLOCK for all devices
3021 * attached to this expander. This function called when expander is
3022 * pulled.
3023 */
3024static void
3025_scsih_block_io_to_children_attached_to_ex(struct MPT3SAS_ADAPTER *ioc,
3026 struct _sas_node *sas_expander)
3027{
3028 struct _sas_port *mpt3sas_port;
3029 struct _sas_device *sas_device;
3030 struct _sas_node *expander_sibling;
3031 unsigned long flags;
3032
3033 if (!sas_expander)
3034 return;
3035
3036 list_for_each_entry(mpt3sas_port,
3037 &sas_expander->sas_port_list, port_list) {
3038 if (mpt3sas_port->remote_identify.device_type ==
3039 SAS_END_DEVICE) {
3040 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49
SR		 3041 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
3042 mpt3sas_port->remote_identify.sas_address);
3043 if (sas_device) {
f92363d1 3044 set_bit(sas_device->handle,
d1cb5e49
SR		 3045 ioc->blocking_handles);
3046 sas_device_put(sas_device);
3047 }
f92363d1
SR		 3048 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
3049 }
3050 }
3051
3052 list_for_each_entry(mpt3sas_port,
3053 &sas_expander->sas_port_list, port_list) {
3054
3055 if (mpt3sas_port->remote_identify.device_type ==
3056 SAS_EDGE_EXPANDER_DEVICE ||
3057 mpt3sas_port->remote_identify.device_type ==
3058 SAS_FANOUT_EXPANDER_DEVICE) {
3059 expander_sibling =
3060 mpt3sas_scsih_expander_find_by_sas_address(
3061 ioc, mpt3sas_port->remote_identify.sas_address);
3062 _scsih_block_io_to_children_attached_to_ex(ioc,
3063 expander_sibling);
3064 }
3065 }
3066}
3067
3068/**
3069 * _scsih_block_io_to_children_attached_directly
3070 * @ioc: per adapter object
3071 * @event_data: topology change event data
3072 *
3073 * This routine set sdev state to SDEV_BLOCK for all devices
3074 * direct attached during device pull.
3075 */
3076static void
3077_scsih_block_io_to_children_attached_directly(struct MPT3SAS_ADAPTER *ioc,
3078 Mpi2EventDataSasTopologyChangeList_t *event_data)
3079{
3080 int i;
3081 u16 handle;
3082 u16 reason_code;
f92363d1
SR		 3083
3084 for (i = 0; i < event_data->NumEntries; i++) {
3085 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
3086 if (!handle)
3087 continue;
f92363d1
SR		 3088 reason_code = event_data->PHY[i].PhyStatus &
3089 MPI2_EVENT_SAS_TOPO_RC_MASK;
3090 if (reason_code == MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING)
3091 _scsih_block_io_device(ioc, handle);
3092 }
3093}
3094
3095/**
3096 * _scsih_tm_tr_send - send task management request
3097 * @ioc: per adapter object
3098 * @handle: device handle
3099 * Context: interrupt time.
3100 *
3101 * This code is to initiate the device removal handshake protocol
3102 * with controller firmware. This function will issue target reset
3103 * using high priority request queue. It will send a sas iounit
3104 * control request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion.
3105 *
3106 * This is designed to send muliple task management request at the same
3107 * time to the fifo. If the fifo is full, we will append the request,
3108 * and process it in a future completion.
3109 */
3110static void
3111_scsih_tm_tr_send(struct MPT3SAS_ADAPTER *ioc, u16 handle)
3112{
3113 Mpi2SCSITaskManagementRequest_t *mpi_request;
3114 u16 smid;
d1cb5e49 3115 struct _sas_device *sas_device = NULL;
f92363d1
SR		 3116 struct MPT3SAS_TARGET *sas_target_priv_data = NULL;
3117 u64 sas_address = 0;
3118 unsigned long flags;
3119 struct _tr_list *delayed_tr;
3120 u32 ioc_state;
3121
3122 if (ioc->remove_host) {
3123 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3124 "%s: host has been removed: handle(0x%04x)\n",
3125 __func__, ioc->name, handle));
3126 return;
3127 } else if (ioc->pci_error_recovery) {
3128 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3129 "%s: host in pci error recovery: handle(0x%04x)\n",
3130 __func__, ioc->name,
3131 handle));
3132 return;
3133 }
3134 ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
3135 if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
3136 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3137 "%s: host is not operational: handle(0x%04x)\n",
3138 __func__, ioc->name,
3139 handle));
3140 return;
3141 }
3142
3143 /* if PD, then return */
3144 if (test_bit(handle, ioc->pd_handles))
3145 return;
3146
c696f7b8
SPS		 3147 clear_bit(handle, ioc->pend_os_device_add);
3148
f92363d1 3149 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 3150 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
f92363d1
SR		 3151 if (sas_device && sas_device->starget &&
3152 sas_device->starget->hostdata) {
3153 sas_target_priv_data = sas_device->starget->hostdata;
3154 sas_target_priv_data->deleted = 1;
3155 sas_address = sas_device->sas_address;
3156 }
3157 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
3158
3159 if (sas_target_priv_data) {
3160 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3161 "setting delete flag: handle(0x%04x), sas_addr(0x%016llx)\n",
3162 ioc->name, handle,
3163 (unsigned long long)sas_address));
e6d45e3e
SR		 3164 if (sas_device->enclosure_handle != 0)
3165 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3166 "setting delete flag:enclosure logical id(0x%016llx),"
3167 " slot(%d)\n", ioc->name, (unsigned long long)
3168 sas_device->enclosure_logical_id,
3169 sas_device->slot));
869817f9 3170 if (sas_device->connector_name[0] != '\0')
e6d45e3e
SR		 3171 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3172 "setting delete flag: enclosure level(0x%04x),"
3173 " connector name( %s)\n", ioc->name,
3174 sas_device->enclosure_level,
3175 sas_device->connector_name));
f92363d1
SR		 3176 _scsih_ublock_io_device(ioc, sas_address);
3177 sas_target_priv_data->handle = MPT3SAS_INVALID_DEVICE_HANDLE;
3178 }
3179
3180 smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_tr_cb_idx);
3181 if (!smid) {
3182 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
3183 if (!delayed_tr)
d1cb5e49 3184 goto out;
f92363d1
SR		 3185 INIT_LIST_HEAD(&delayed_tr->list);
3186 delayed_tr->handle = handle;
3187 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list);
3188 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3189 "DELAYED:tr:handle(0x%04x), (open)\n",
3190 ioc->name, handle));
d1cb5e49 3191 goto out;
f92363d1
SR		 3192 }
3193
3194 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3195 "tr_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
3196 ioc->name, handle, smid,
3197 ioc->tm_tr_cb_idx));
3198 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
3199 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
3200 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
3201 mpi_request->DevHandle = cpu_to_le16(handle);
3202 mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
c696f7b8 3203 set_bit(handle, ioc->device_remove_in_progress);
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)));
c696f7b8
SPS		 3338 if (le16_to_cpu(mpi_reply->IOCStatus) ==
3339 MPI2_IOCSTATUS_SUCCESS) {
3340 clear_bit(le16_to_cpu(mpi_reply->DevHandle),
3341 ioc->device_remove_in_progress);
3342 }
f92363d1
SR		 3343 } else {
3344 pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n",
3345 ioc->name, __FILE__, __LINE__, __func__);
3346 }
fd0331b3 3347 return mpt3sas_check_for_pending_internal_cmds(ioc, smid);
f92363d1
SR		 3348}
3349
3350/**
3351 * _scsih_tm_tr_volume_send - send target reset request for volumes
3352 * @ioc: per adapter object
3353 * @handle: device handle
3354 * Context: interrupt time.
3355 *
3356 * This is designed to send muliple task management request at the same
3357 * time to the fifo. If the fifo is full, we will append the request,
3358 * and process it in a future completion.
3359 */
3360static void
3361_scsih_tm_tr_volume_send(struct MPT3SAS_ADAPTER *ioc, u16 handle)
3362{
3363 Mpi2SCSITaskManagementRequest_t *mpi_request;
3364 u16 smid;
3365 struct _tr_list *delayed_tr;
3366
3367 if (ioc->shost_recovery || ioc->remove_host ||
3368 ioc->pci_error_recovery) {
3369 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3370 "%s: host reset in progress!\n",
3371 __func__, ioc->name));
3372 return;
3373 }
3374
3375 smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_tr_volume_cb_idx);
3376 if (!smid) {
3377 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
3378 if (!delayed_tr)
3379 return;
3380 INIT_LIST_HEAD(&delayed_tr->list);
3381 delayed_tr->handle = handle;
3382 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_volume_list);
3383 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3384 "DELAYED:tr:handle(0x%04x), (open)\n",
3385 ioc->name, handle));
3386 return;
3387 }
3388
3389 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3390 "tr_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
3391 ioc->name, handle, smid,
3392 ioc->tm_tr_volume_cb_idx));
3393 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
3394 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
3395 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
3396 mpi_request->DevHandle = cpu_to_le16(handle);
3397 mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
03d1fb3a 3398 mpt3sas_base_put_smid_hi_priority(ioc, smid, 0);
f92363d1
SR		 3399}
3400
3401/**
3402 * _scsih_tm_volume_tr_complete - target reset completion
3403 * @ioc: per adapter object
3404 * @smid: system request message index
3405 * @msix_index: MSIX table index supplied by the OS
3406 * @reply: reply message frame(lower 32bit addr)
3407 * Context: interrupt time.
3408 *
3409 * Return 1 meaning mf should be freed from _base_interrupt
3410 * 0 means the mf is freed from this function.
3411 */
3412static u8
3413_scsih_tm_volume_tr_complete(struct MPT3SAS_ADAPTER *ioc, u16 smid,
3414 u8 msix_index, u32 reply)
3415{
3416 u16 handle;
3417 Mpi2SCSITaskManagementRequest_t *mpi_request_tm;
3418 Mpi2SCSITaskManagementReply_t *mpi_reply =
3419 mpt3sas_base_get_reply_virt_addr(ioc, reply);
3420
3421 if (ioc->shost_recovery || ioc->remove_host ||
3422 ioc->pci_error_recovery) {
3423 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3424 "%s: host reset in progress!\n",
3425 __func__, ioc->name));
3426 return 1;
3427 }
3428 if (unlikely(!mpi_reply)) {
3429 pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n",
3430 ioc->name, __FILE__, __LINE__, __func__);
3431 return 1;
3432 }
3433
3434 mpi_request_tm = mpt3sas_base_get_msg_frame(ioc, smid);
3435 handle = le16_to_cpu(mpi_request_tm->DevHandle);
3436 if (handle != le16_to_cpu(mpi_reply->DevHandle)) {
3437 dewtprintk(ioc, pr_err(MPT3SAS_FMT
3438 "spurious interrupt: handle(0x%04x:0x%04x), smid(%d)!!!\n",
3439 ioc->name, handle,
3440 le16_to_cpu(mpi_reply->DevHandle), smid));
3441 return 0;
3442 }
3443
3444 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3445 "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
3446 "loginfo(0x%08x), completed(%d)\n", ioc->name,
3447 handle, smid, le16_to_cpu(mpi_reply->IOCStatus),
3448 le32_to_cpu(mpi_reply->IOCLogInfo),
3449 le32_to_cpu(mpi_reply->TerminationCount)));
3450
3451 return _scsih_check_for_pending_tm(ioc, smid);
3452}
3453
fd0331b3
SS		 3454/**
3455 * _scsih_issue_delayed_event_ack - issue delayed Event ACK messages
3456 * @ioc: per adapter object
3457 * @smid: system request message index
3458 * @event: Event ID
3459 * @event_context: used to track events uniquely
3460 *
3461 * Context - processed in interrupt context.
3462 */
8bbb1cf6 3463static void
fd0331b3
SS		 3464_scsih_issue_delayed_event_ack(struct MPT3SAS_ADAPTER *ioc, u16 smid, u16 event,
3465 u32 event_context)
3466{
3467 Mpi2EventAckRequest_t *ack_request;
3468 int i = smid - ioc->internal_smid;
3469 unsigned long flags;
3470
3471 /* Without releasing the smid just update the
3472 * call back index and reuse the same smid for
3473 * processing this delayed request
3474 */
3475 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
3476 ioc->internal_lookup[i].cb_idx = ioc->base_cb_idx;
3477 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
3478
3479 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3480 "EVENT ACK: event(0x%04x), smid(%d), cb(%d)\n",
3481 ioc->name, le16_to_cpu(event), smid,
3482 ioc->base_cb_idx));
3483 ack_request = mpt3sas_base_get_msg_frame(ioc, smid);
3484 memset(ack_request, 0, sizeof(Mpi2EventAckRequest_t));
3485 ack_request->Function = MPI2_FUNCTION_EVENT_ACK;
3486 ack_request->Event = event;
3487 ack_request->EventContext = event_context;
3488 ack_request->VF_ID = 0; /* TODO */
3489 ack_request->VP_ID = 0;
3490 mpt3sas_base_put_smid_default(ioc, smid);
3491}
3492
3493/**
3494 * _scsih_issue_delayed_sas_io_unit_ctrl - issue delayed
3495 * sas_io_unit_ctrl messages
3496 * @ioc: per adapter object
3497 * @smid: system request message index
3498 * @handle: device handle
3499 *
3500 * Context - processed in interrupt context.
3501 */
8bbb1cf6 3502static void
fd0331b3
SS		 3503_scsih_issue_delayed_sas_io_unit_ctrl(struct MPT3SAS_ADAPTER *ioc,
3504 u16 smid, u16 handle)
3505 {
3506 Mpi2SasIoUnitControlRequest_t *mpi_request;
3507 u32 ioc_state;
3508 int i = smid - ioc->internal_smid;
3509 unsigned long flags;
3510
3511 if (ioc->remove_host) {
3512 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3513 "%s: host has been removed\n",
3514 __func__, ioc->name));
3515 return;
3516 } else if (ioc->pci_error_recovery) {
3517 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3518 "%s: host in pci error recovery\n",
3519 __func__, ioc->name));
3520 return;
3521 }
3522 ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
3523 if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
3524 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3525 "%s: host is not operational\n",
3526 __func__, ioc->name));
3527 return;
3528 }
3529
3530 /* Without releasing the smid just update the
3531 * call back index and reuse the same smid for
3532 * processing this delayed request
3533 */
3534 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
3535 ioc->internal_lookup[i].cb_idx = ioc->tm_sas_control_cb_idx;
3536 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
3537
3538 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3539 "sc_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
3540 ioc->name, le16_to_cpu(handle), smid,
3541 ioc->tm_sas_control_cb_idx));
3542 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
3543 memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t));
3544 mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
3545 mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE;
3546 mpi_request->DevHandle = handle;
3547 mpt3sas_base_put_smid_default(ioc, smid);
3548}
3549
3550/**
3551 * _scsih_check_for_pending_internal_cmds - check for pending internal messages
3552 * @ioc: per adapter object
3553 * @smid: system request message index
3554 *
3555 * Context: Executed in interrupt context
3556 *
3557 * This will check delayed internal messages list, and process the
3558 * next request.
3559 *
3560 * Return 1 meaning mf should be freed from _base_interrupt
3561 * 0 means the mf is freed from this function.
3562 */
3563u8
3564mpt3sas_check_for_pending_internal_cmds(struct MPT3SAS_ADAPTER *ioc, u16 smid)
3565{
3566 struct _sc_list *delayed_sc;
3567 struct _event_ack_list *delayed_event_ack;
3568
3569 if (!list_empty(&ioc->delayed_event_ack_list)) {
3570 delayed_event_ack = list_entry(ioc->delayed_event_ack_list.next,
3571 struct _event_ack_list, list);
3572 _scsih_issue_delayed_event_ack(ioc, smid,
3573 delayed_event_ack->Event, delayed_event_ack->EventContext);
3574 list_del(&delayed_event_ack->list);
3575 kfree(delayed_event_ack);
3576 return 0;
3577 }
3578
3579 if (!list_empty(&ioc->delayed_sc_list)) {
3580 delayed_sc = list_entry(ioc->delayed_sc_list.next,
3581 struct _sc_list, list);
3582 _scsih_issue_delayed_sas_io_unit_ctrl(ioc, smid,
3583 delayed_sc->handle);
3584 list_del(&delayed_sc->list);
3585 kfree(delayed_sc);
3586 return 0;
3587 }
3588 return 1;
3589}
f92363d1
SR		 3590
3591/**
3592 * _scsih_check_for_pending_tm - check for pending task management
3593 * @ioc: per adapter object
3594 * @smid: system request message index
3595 *
3596 * This will check delayed target reset list, and feed the
3597 * next reqeust.
3598 *
3599 * Return 1 meaning mf should be freed from _base_interrupt
3600 * 0 means the mf is freed from this function.
3601 */
3602static u8
3603_scsih_check_for_pending_tm(struct MPT3SAS_ADAPTER *ioc, u16 smid)
3604{
3605 struct _tr_list *delayed_tr;
3606
3607 if (!list_empty(&ioc->delayed_tr_volume_list)) {
3608 delayed_tr = list_entry(ioc->delayed_tr_volume_list.next,
3609 struct _tr_list, list);
3610 mpt3sas_base_free_smid(ioc, smid);
3611 _scsih_tm_tr_volume_send(ioc, delayed_tr->handle);
3612 list_del(&delayed_tr->list);
3613 kfree(delayed_tr);
3614 return 0;
3615 }
3616
3617 if (!list_empty(&ioc->delayed_tr_list)) {
3618 delayed_tr = list_entry(ioc->delayed_tr_list.next,
3619 struct _tr_list, list);
3620 mpt3sas_base_free_smid(ioc, smid);
3621 _scsih_tm_tr_send(ioc, delayed_tr->handle);
3622 list_del(&delayed_tr->list);
3623 kfree(delayed_tr);
3624 return 0;
3625 }
3626
3627 return 1;
3628}
3629
3630/**
3631 * _scsih_check_topo_delete_events - sanity check on topo events
3632 * @ioc: per adapter object
3633 * @event_data: the event data payload
3634 *
3635 * This routine added to better handle cable breaker.
3636 *
3637 * This handles the case where driver receives multiple expander
3638 * add and delete events in a single shot. When there is a delete event
3639 * the routine will void any pending add events waiting in the event queue.
3640 *
3641 * Return nothing.
3642 */
3643static void
3644_scsih_check_topo_delete_events(struct MPT3SAS_ADAPTER *ioc,
3645 Mpi2EventDataSasTopologyChangeList_t *event_data)
3646{
3647 struct fw_event_work *fw_event;
3648 Mpi2EventDataSasTopologyChangeList_t *local_event_data;
3649 u16 expander_handle;
3650 struct _sas_node *sas_expander;
3651 unsigned long flags;
3652 int i, reason_code;
3653 u16 handle;
3654
3655 for (i = 0 ; i < event_data->NumEntries; i++) {
3656 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
3657 if (!handle)
3658 continue;
3659 reason_code = event_data->PHY[i].PhyStatus &
3660 MPI2_EVENT_SAS_TOPO_RC_MASK;
3661 if (reason_code == MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)
3662 _scsih_tm_tr_send(ioc, handle);
3663 }
3664
3665 expander_handle = le16_to_cpu(event_data->ExpanderDevHandle);
3666 if (expander_handle < ioc->sas_hba.num_phys) {
3667 _scsih_block_io_to_children_attached_directly(ioc, event_data);
3668 return;
3669 }
3670 if (event_data->ExpStatus ==
3671 MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING) {
3672 /* put expander attached devices into blocking state */
3673 spin_lock_irqsave(&ioc->sas_node_lock, flags);
3674 sas_expander = mpt3sas_scsih_expander_find_by_handle(ioc,
3675 expander_handle);
3676 _scsih_block_io_to_children_attached_to_ex(ioc, sas_expander);
3677 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
3678 do {
3679 handle = find_first_bit(ioc->blocking_handles,
3680 ioc->facts.MaxDevHandle);
3681 if (handle < ioc->facts.MaxDevHandle)
3682 _scsih_block_io_device(ioc, handle);
3683 } while (test_and_clear_bit(handle, ioc->blocking_handles));
3684 } else if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_RESPONDING)
3685 _scsih_block_io_to_children_attached_directly(ioc, event_data);
3686
3687 if (event_data->ExpStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING)
3688 return;
3689
3690 /* mark ignore flag for pending events */
3691 spin_lock_irqsave(&ioc->fw_event_lock, flags);
3692 list_for_each_entry(fw_event, &ioc->fw_event_list, list) {
3693 if (fw_event->event != MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
3694 fw_event->ignore)
3695 continue;
35b62362
JL		 3696 local_event_data = (Mpi2EventDataSasTopologyChangeList_t *)
3697 fw_event->event_data;
f92363d1
SR		 3698 if (local_event_data->ExpStatus ==
3699 MPI2_EVENT_SAS_TOPO_ES_ADDED ||
3700 local_event_data->ExpStatus ==
3701 MPI2_EVENT_SAS_TOPO_ES_RESPONDING) {
3702 if (le16_to_cpu(local_event_data->ExpanderDevHandle) ==
3703 expander_handle) {
3704 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3705 "setting ignoring flag\n", ioc->name));
3706 fw_event->ignore = 1;
3707 }
3708 }
3709 }
3710 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
3711}
3712
3713/**
3714 * _scsih_set_volume_delete_flag - setting volume delete flag
3715 * @ioc: per adapter object
3716 * @handle: device handle
3717 *
3718 * This returns nothing.
3719 */
3720static void
3721_scsih_set_volume_delete_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle)
3722{
3723 struct _raid_device *raid_device;
3724 struct MPT3SAS_TARGET *sas_target_priv_data;
3725 unsigned long flags;
3726
3727 spin_lock_irqsave(&ioc->raid_device_lock, flags);
c84b06a4 3728 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
f92363d1
SR		 3729 if (raid_device && raid_device->starget &&
3730 raid_device->starget->hostdata) {
3731 sas_target_priv_data =
3732 raid_device->starget->hostdata;
3733 sas_target_priv_data->deleted = 1;
3734 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3735 "setting delete flag: handle(0x%04x), "
3736 "wwid(0x%016llx)\n", ioc->name, handle,
3737 (unsigned long long) raid_device->wwid));
3738 }
3739 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
3740}
3741
3742/**
3743 * _scsih_set_volume_handle_for_tr - set handle for target reset to volume
3744 * @handle: input handle
3745 * @a: handle for volume a
3746 * @b: handle for volume b
3747 *
3748 * IR firmware only supports two raid volumes. The purpose of this
3749 * routine is to set the volume handle in either a or b. When the given
3750 * input handle is non-zero, or when a and b have not been set before.
3751 */
3752static void
3753_scsih_set_volume_handle_for_tr(u16 handle, u16 *a, u16 *b)
3754{
3755 if (!handle || handle == *a || handle == *b)
3756 return;
3757 if (!*a)
3758 *a = handle;
3759 else if (!*b)
3760 *b = handle;
3761}
3762
3763/**
3764 * _scsih_check_ir_config_unhide_events - check for UNHIDE events
3765 * @ioc: per adapter object
3766 * @event_data: the event data payload
3767 * Context: interrupt time.
3768 *
3769 * This routine will send target reset to volume, followed by target
3770 * resets to the PDs. This is called when a PD has been removed, or
3771 * volume has been deleted or removed. When the target reset is sent
3772 * to volume, the PD target resets need to be queued to start upon
3773 * completion of the volume target reset.
3774 *
3775 * Return nothing.
3776 */
3777static void
3778_scsih_check_ir_config_unhide_events(struct MPT3SAS_ADAPTER *ioc,
3779 Mpi2EventDataIrConfigChangeList_t *event_data)
3780{
3781 Mpi2EventIrConfigElement_t *element;
3782 int i;
3783 u16 handle, volume_handle, a, b;
3784 struct _tr_list *delayed_tr;
3785
3786 a = 0;
3787 b = 0;
3788
7786ab6a
SR		 3789 if (ioc->is_warpdrive)
3790 return;
3791
f92363d1
SR		 3792 /* Volume Resets for Deleted or Removed */
3793 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
3794 for (i = 0; i < event_data->NumElements; i++, element++) {
3795 if (le32_to_cpu(event_data->Flags) &
3796 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
3797 continue;
3798 if (element->ReasonCode ==
3799 MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED ||
3800 element->ReasonCode ==
3801 MPI2_EVENT_IR_CHANGE_RC_REMOVED) {
3802 volume_handle = le16_to_cpu(element->VolDevHandle);
3803 _scsih_set_volume_delete_flag(ioc, volume_handle);
3804 _scsih_set_volume_handle_for_tr(volume_handle, &a, &b);
3805 }
3806 }
3807
3808 /* Volume Resets for UNHIDE events */
3809 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
3810 for (i = 0; i < event_data->NumElements; i++, element++) {
3811 if (le32_to_cpu(event_data->Flags) &
3812 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
3813 continue;
3814 if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_UNHIDE) {
3815 volume_handle = le16_to_cpu(element->VolDevHandle);
3816 _scsih_set_volume_handle_for_tr(volume_handle, &a, &b);
3817 }
3818 }
3819
3820 if (a)
3821 _scsih_tm_tr_volume_send(ioc, a);
3822 if (b)
3823 _scsih_tm_tr_volume_send(ioc, b);
3824
3825 /* PD target resets */
3826 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
3827 for (i = 0; i < event_data->NumElements; i++, element++) {
3828 if (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_UNHIDE)
3829 continue;
3830 handle = le16_to_cpu(element->PhysDiskDevHandle);
3831 volume_handle = le16_to_cpu(element->VolDevHandle);
3832 clear_bit(handle, ioc->pd_handles);
3833 if (!volume_handle)
3834 _scsih_tm_tr_send(ioc, handle);
3835 else if (volume_handle == a || volume_handle == b) {
3836 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
3837 BUG_ON(!delayed_tr);
3838 INIT_LIST_HEAD(&delayed_tr->list);
3839 delayed_tr->handle = handle;
3840 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list);
3841 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3842 "DELAYED:tr:handle(0x%04x), (open)\n", ioc->name,
3843 handle));
3844 } else
3845 _scsih_tm_tr_send(ioc, handle);
3846 }
3847}
3848
3849
3850/**
3851 * _scsih_check_volume_delete_events - set delete flag for volumes
3852 * @ioc: per adapter object
3853 * @event_data: the event data payload
3854 * Context: interrupt time.
3855 *
3856 * This will handle the case when the cable connected to entire volume is
3857 * pulled. We will take care of setting the deleted flag so normal IO will
3858 * not be sent.
3859 *
3860 * Return nothing.
3861 */
3862static void
3863_scsih_check_volume_delete_events(struct MPT3SAS_ADAPTER *ioc,
3864 Mpi2EventDataIrVolume_t *event_data)
3865{
3866 u32 state;
3867
3868 if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
3869 return;
3870 state = le32_to_cpu(event_data->NewValue);
3871 if (state == MPI2_RAID_VOL_STATE_MISSING || state ==
3872 MPI2_RAID_VOL_STATE_FAILED)
3873 _scsih_set_volume_delete_flag(ioc,
3874 le16_to_cpu(event_data->VolDevHandle));
3875}
3876
2d8ce8c9
SR		 3877/**
3878 * _scsih_temp_threshold_events - display temperature threshold exceeded events
3879 * @ioc: per adapter object
3880 * @event_data: the temp threshold event data
3881 * Context: interrupt time.
3882 *
3883 * Return nothing.
3884 */
3885static void
3886_scsih_temp_threshold_events(struct MPT3SAS_ADAPTER *ioc,
3887 Mpi2EventDataTemperature_t *event_data)
3888{
3889 if (ioc->temp_sensors_count >= event_data->SensorNum) {
3890 pr_err(MPT3SAS_FMT "Temperature Threshold flags %s%s%s%s"
3891 " exceeded for Sensor: %d !!!\n", ioc->name,
3892 ((le16_to_cpu(event_data->Status) & 0x1) == 1) ? "0 " : " ",
3893 ((le16_to_cpu(event_data->Status) & 0x2) == 2) ? "1 " : " ",
3894 ((le16_to_cpu(event_data->Status) & 0x4) == 4) ? "2 " : " ",
3895 ((le16_to_cpu(event_data->Status) & 0x8) == 8) ? "3 " : " ",
3896 event_data->SensorNum);
3897 pr_err(MPT3SAS_FMT "Current Temp In Celsius: %d\n",
3898 ioc->name, event_data->CurrentTemperature);
3899 }
3900}
3901
f92363d1
SR		 3902/**
3903 * _scsih_flush_running_cmds - completing outstanding commands.
3904 * @ioc: per adapter object
3905 *
3906 * The flushing out of all pending scmd commands following host reset,
3907 * where all IO is dropped to the floor.
3908 *
3909 * Return nothing.
3910 */
3911static void
3912_scsih_flush_running_cmds(struct MPT3SAS_ADAPTER *ioc)
3913{
3914 struct scsi_cmnd *scmd;
3915 u16 smid;
3916 u16 count = 0;
3917
3918 for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
3919 scmd = _scsih_scsi_lookup_get_clear(ioc, smid);
3920 if (!scmd)
3921 continue;
3922 count++;
3923 mpt3sas_base_free_smid(ioc, smid);
3924 scsi_dma_unmap(scmd);
3925 if (ioc->pci_error_recovery)
3926 scmd->result = DID_NO_CONNECT << 16;
3927 else
3928 scmd->result = DID_RESET << 16;
3929 scmd->scsi_done(scmd);
3930 }
3931 dtmprintk(ioc, pr_info(MPT3SAS_FMT "completing %d cmds\n",
3932 ioc->name, count));
3933}
3934
3935/**
3936 * _scsih_setup_eedp - setup MPI request for EEDP transfer
3937 * @ioc: per adapter object
3938 * @scmd: pointer to scsi command object
3939 * @mpi_request: pointer to the SCSI_IO reqest message frame
3940 *
3941 * Supporting protection 1 and 3.
3942 *
3943 * Returns nothing
3944 */
3945static void
3946_scsih_setup_eedp(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
3947 Mpi2SCSIIORequest_t *mpi_request)
3948{
3949 u16 eedp_flags;
3950 unsigned char prot_op = scsi_get_prot_op(scmd);
3951 unsigned char prot_type = scsi_get_prot_type(scmd);
3952 Mpi25SCSIIORequest_t *mpi_request_3v =
3953 (Mpi25SCSIIORequest_t *)mpi_request;
3954
3955 if (prot_type == SCSI_PROT_DIF_TYPE0 || prot_op == SCSI_PROT_NORMAL)
3956 return;
3957
3958 if (prot_op == SCSI_PROT_READ_STRIP)
3959 eedp_flags = MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP;
3960 else if (prot_op == SCSI_PROT_WRITE_INSERT)
3961 eedp_flags = MPI2_SCSIIO_EEDPFLAGS_INSERT_OP;
3962 else
3963 return;
3964
3965 switch (prot_type) {
3966 case SCSI_PROT_DIF_TYPE1:
3967 case SCSI_PROT_DIF_TYPE2:
3968
3969 /*
3970 * enable ref/guard checking
3971 * auto increment ref tag
3972 */
3973 eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
3974 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG |
3975 MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
3976 mpi_request->CDB.EEDP32.PrimaryReferenceTag =
648512cc 3977 cpu_to_be32(scsi_prot_ref_tag(scmd));
f92363d1
SR		 3978 break;
3979
3980 case SCSI_PROT_DIF_TYPE3:
3981
3982 /*
3983 * enable guard checking
3984 */
3985 eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
3986
3987 break;
3988 }
3989
3990 mpi_request_3v->EEDPBlockSize =
3991 cpu_to_le16(scmd->device->sector_size);
3992 mpi_request->EEDPFlags = cpu_to_le16(eedp_flags);
3993}
3994
3995/**
3996 * _scsih_eedp_error_handling - return sense code for EEDP errors
3997 * @scmd: pointer to scsi command object
3998 * @ioc_status: ioc status
3999 *
4000 * Returns nothing
4001 */
4002static void
4003_scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status)
4004{
4005 u8 ascq;
4006
4007 switch (ioc_status) {
4008 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
4009 ascq = 0x01;
4010 break;
4011 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
4012 ascq = 0x02;
4013 break;
4014 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
4015 ascq = 0x03;
4016 break;
4017 default:
4018 ascq = 0x00;
4019 break;
4020 }
4021 scsi_build_sense_buffer(0, scmd->sense_buffer, ILLEGAL_REQUEST, 0x10,
4022 ascq);
4023 scmd->result = DRIVER_SENSE << 24 | (DID_ABORT << 16) |
4024 SAM_STAT_CHECK_CONDITION;
4025}
4026
4027
7786ab6a 4028
f92363d1 4029/**
8a7e4c24 4030 * scsih_qcmd - main scsi request entry point
f92363d1
SR		 4031 * @scmd: pointer to scsi command object
4032 * @done: function pointer to be invoked on completion
4033 *
4034 * The callback index is set inside `ioc->scsi_io_cb_idx`.
4035 *
4036 * Returns 0 on success. If there's a failure, return either:
4037 * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or
4038 * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full
4039 */
8bbb1cf6 4040static int
8a7e4c24 4041scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd)
f92363d1 4042{
d8bfbd8d 4043 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
f92363d1
SR		 4044 struct MPT3SAS_DEVICE *sas_device_priv_data;
4045 struct MPT3SAS_TARGET *sas_target_priv_data;
7786ab6a 4046 struct _raid_device *raid_device;
f92363d1
SR		 4047 Mpi2SCSIIORequest_t *mpi_request;
4048 u32 mpi_control;
4049 u16 smid;
4050 u16 handle;
4051
f92363d1
SR		 4052 if (ioc->logging_level & MPT_DEBUG_SCSI)
4053 scsi_print_command(scmd);
f92363d1 4054
f92363d1
SR		 4055 sas_device_priv_data = scmd->device->hostdata;
4056 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
4057 scmd->result = DID_NO_CONNECT << 16;
4058 scmd->scsi_done(scmd);
4059 return 0;
4060 }
4061
4062 if (ioc->pci_error_recovery || ioc->remove_host) {
4063 scmd->result = DID_NO_CONNECT << 16;
4064 scmd->scsi_done(scmd);
4065 return 0;
4066 }
4067
4068 sas_target_priv_data = sas_device_priv_data->sas_target;
4069
4070 /* invalid device handle */
4071 handle = sas_target_priv_data->handle;
4072 if (handle == MPT3SAS_INVALID_DEVICE_HANDLE) {
4073 scmd->result = DID_NO_CONNECT << 16;
4074 scmd->scsi_done(scmd);
4075 return 0;
4076 }
4077
4078
4079 /* host recovery or link resets sent via IOCTLs */
4080 if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress)
4081 return SCSI_MLQUEUE_HOST_BUSY;
4082
4083 /* device has been deleted */
4084 else if (sas_target_priv_data->deleted) {
4085 scmd->result = DID_NO_CONNECT << 16;
4086 scmd->scsi_done(scmd);
4087 return 0;
4088 /* device busy with task managment */
4089 } else if (sas_target_priv_data->tm_busy ||
4090 sas_device_priv_data->block)
4091 return SCSI_MLQUEUE_DEVICE_BUSY;
4092
4093 if (scmd->sc_data_direction == DMA_FROM_DEVICE)
4094 mpi_control = MPI2_SCSIIO_CONTROL_READ;
4095 else if (scmd->sc_data_direction == DMA_TO_DEVICE)
4096 mpi_control = MPI2_SCSIIO_CONTROL_WRITE;
4097 else
4098 mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER;
4099
4100 /* set tags */
609aa22f 4101 mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
f92363d1 4102
7786ab6a
SR		 4103 /* Make sure Device is not raid volume.
4104 * We do not expose raid functionality to upper layer for warpdrive.
4105 */
4106 if (!ioc->is_warpdrive && !scsih_is_raid(&scmd->device->sdev_gendev)
15de0de2 4107 && sas_is_tlr_enabled(scmd->device) && scmd->cmd_len != 32)
f92363d1
SR		 4108 mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON;
4109
4110 smid = mpt3sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd);
4111 if (!smid) {
4112 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
4113 ioc->name, __func__);
4114 goto out;
4115 }
4116 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
4117 memset(mpi_request, 0, sizeof(Mpi2SCSIIORequest_t));
4118 _scsih_setup_eedp(ioc, scmd, mpi_request);
4119
4120 if (scmd->cmd_len == 32)
4121 mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT;
4122 mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
4123 if (sas_device_priv_data->sas_target->flags &
4124 MPT_TARGET_FLAGS_RAID_COMPONENT)
4125 mpi_request->Function = MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
4126 else
4127 mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
4128 mpi_request->DevHandle = cpu_to_le16(handle);
4129 mpi_request->DataLength = cpu_to_le32(scsi_bufflen(scmd));
4130 mpi_request->Control = cpu_to_le32(mpi_control);
4131 mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len);
4132 mpi_request->MsgFlags = MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR;
4133 mpi_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE;
4134 mpi_request->SenseBufferLowAddress =
4135 mpt3sas_base_get_sense_buffer_dma(ioc, smid);
4136 mpi_request->SGLOffset0 = offsetof(Mpi2SCSIIORequest_t, SGL) / 4;
4137 int_to_scsilun(sas_device_priv_data->lun, (struct scsi_lun *)
4138 mpi_request->LUN);
4139 memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len);
4140
4141 if (mpi_request->DataLength) {
4142 if (ioc->build_sg_scmd(ioc, scmd, smid)) {
4143 mpt3sas_base_free_smid(ioc, smid);
4144 goto out;
4145 }
4146 } else
4147 ioc->build_zero_len_sge(ioc, &mpi_request->SGL);
4148
7786ab6a
SR		 4149 raid_device = sas_target_priv_data->raid_device;
4150 if (raid_device && raid_device->direct_io_enabled)
c84b06a4 4151 mpt3sas_setup_direct_io(ioc, scmd, raid_device, mpi_request,
7786ab6a 4152 smid);
7786ab6a 4153
f92363d1
SR		 4154 if (likely(mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST)) {
4155 if (sas_target_priv_data->flags & MPT_TARGET_FASTPATH_IO) {
4156 mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len |
4157 MPI25_SCSIIO_IOFLAGS_FAST_PATH);
4158 mpt3sas_base_put_smid_fast_path(ioc, smid, handle);
4159 } else
7786ab6a
SR		 4160 mpt3sas_base_put_smid_scsi_io(ioc, smid,
4161 le16_to_cpu(mpi_request->DevHandle));
f92363d1
SR		 4162 } else
4163 mpt3sas_base_put_smid_default(ioc, smid);
4164 return 0;
4165
4166 out:
4167 return SCSI_MLQUEUE_HOST_BUSY;
4168}
f92363d1
SR		 4169
4170/**
4171 * _scsih_normalize_sense - normalize descriptor and fixed format sense data
4172 * @sense_buffer: sense data returned by target
4173 * @data: normalized skey/asc/ascq
4174 *
4175 * Return nothing.
4176 */
4177static void
4178_scsih_normalize_sense(char *sense_buffer, struct sense_info *data)
4179{
4180 if ((sense_buffer[0] & 0x7F) >= 0x72) {
4181 /* descriptor format */
4182 data->skey = sense_buffer[1] & 0x0F;
4183 data->asc = sense_buffer[2];
4184 data->ascq = sense_buffer[3];
4185 } else {
4186 /* fixed format */
4187 data->skey = sense_buffer[2] & 0x0F;
4188 data->asc = sense_buffer[12];
4189 data->ascq = sense_buffer[13];
4190 }
4191}
4192
f92363d1
SR		 4193/**
4194 * _scsih_scsi_ioc_info - translated non-succesfull SCSI_IO request
4195 * @ioc: per adapter object
4196 * @scmd: pointer to scsi command object
4197 * @mpi_reply: reply mf payload returned from firmware
4198 *
4199 * scsi_status - SCSI Status code returned from target device
4200 * scsi_state - state info associated with SCSI_IO determined by ioc
4201 * ioc_status - ioc supplied status info
4202 *
4203 * Return nothing.
4204 */
4205static void
4206_scsih_scsi_ioc_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
4207 Mpi2SCSIIOReply_t *mpi_reply, u16 smid)
4208{
4209 u32 response_info;
4210 u8 *response_bytes;
4211 u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) &
4212 MPI2_IOCSTATUS_MASK;
4213 u8 scsi_state = mpi_reply->SCSIState;
4214 u8 scsi_status = mpi_reply->SCSIStatus;
4215 char *desc_ioc_state = NULL;
4216 char *desc_scsi_status = NULL;
4217 char *desc_scsi_state = ioc->tmp_string;
4218 u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
4219 struct _sas_device *sas_device = NULL;
f92363d1
SR		 4220 struct scsi_target *starget = scmd->device->sdev_target;
4221 struct MPT3SAS_TARGET *priv_target = starget->hostdata;
4222 char *device_str = NULL;
4223
4224 if (!priv_target)
4225 return;
7786ab6a
SR		 4226 if (ioc->hide_ir_msg)
4227 device_str = "WarpDrive";
4228 else
4229 device_str = "volume";
f92363d1
SR		 4230
4231 if (log_info == 0x31170000)
4232 return;
4233
4234 switch (ioc_status) {
4235 case MPI2_IOCSTATUS_SUCCESS:
4236 desc_ioc_state = "success";
4237 break;
4238 case MPI2_IOCSTATUS_INVALID_FUNCTION:
4239 desc_ioc_state = "invalid function";
4240 break;
4241 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
4242 desc_ioc_state = "scsi recovered error";
4243 break;
4244 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
4245 desc_ioc_state = "scsi invalid dev handle";
4246 break;
4247 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
4248 desc_ioc_state = "scsi device not there";
4249 break;
4250 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
4251 desc_ioc_state = "scsi data overrun";
4252 break;
4253 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
4254 desc_ioc_state = "scsi data underrun";
4255 break;
4256 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
4257 desc_ioc_state = "scsi io data error";
4258 break;
4259 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
4260 desc_ioc_state = "scsi protocol error";
4261 break;
4262 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
4263 desc_ioc_state = "scsi task terminated";
4264 break;
4265 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
4266 desc_ioc_state = "scsi residual mismatch";
4267 break;
4268 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
4269 desc_ioc_state = "scsi task mgmt failed";
4270 break;
4271 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
4272 desc_ioc_state = "scsi ioc terminated";
4273 break;
4274 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
4275 desc_ioc_state = "scsi ext terminated";
4276 break;
4277 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
4278 desc_ioc_state = "eedp guard error";
4279 break;
4280 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
4281 desc_ioc_state = "eedp ref tag error";
4282 break;
4283 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
4284 desc_ioc_state = "eedp app tag error";
4285 break;
b130b0d5
SS		 4286 case MPI2_IOCSTATUS_INSUFFICIENT_POWER:
4287 desc_ioc_state = "insufficient power";
4288 break;
f92363d1
SR		 4289 default:
4290 desc_ioc_state = "unknown";
4291 break;
4292 }
4293
4294 switch (scsi_status) {
4295 case MPI2_SCSI_STATUS_GOOD:
4296 desc_scsi_status = "good";
4297 break;
4298 case MPI2_SCSI_STATUS_CHECK_CONDITION:
4299 desc_scsi_status = "check condition";
4300 break;
4301 case MPI2_SCSI_STATUS_CONDITION_MET:
4302 desc_scsi_status = "condition met";
4303 break;
4304 case MPI2_SCSI_STATUS_BUSY:
4305 desc_scsi_status = "busy";
4306 break;
4307 case MPI2_SCSI_STATUS_INTERMEDIATE:
4308 desc_scsi_status = "intermediate";
4309 break;
4310 case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET:
4311 desc_scsi_status = "intermediate condmet";
4312 break;
4313 case MPI2_SCSI_STATUS_RESERVATION_CONFLICT:
4314 desc_scsi_status = "reservation conflict";
4315 break;
4316 case MPI2_SCSI_STATUS_COMMAND_TERMINATED:
4317 desc_scsi_status = "command terminated";
4318 break;
4319 case MPI2_SCSI_STATUS_TASK_SET_FULL:
4320 desc_scsi_status = "task set full";
4321 break;
4322 case MPI2_SCSI_STATUS_ACA_ACTIVE:
4323 desc_scsi_status = "aca active";
4324 break;
4325 case MPI2_SCSI_STATUS_TASK_ABORTED:
4326 desc_scsi_status = "task aborted";
4327 break;
4328 default:
4329 desc_scsi_status = "unknown";
4330 break;
4331 }
4332
4333 desc_scsi_state[0] = '\0';
4334 if (!scsi_state)
4335 desc_scsi_state = " ";
4336 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
4337 strcat(desc_scsi_state, "response info ");
4338 if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
4339 strcat(desc_scsi_state, "state terminated ");
4340 if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS)
4341 strcat(desc_scsi_state, "no status ");
4342 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED)
4343 strcat(desc_scsi_state, "autosense failed ");
4344 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)
4345 strcat(desc_scsi_state, "autosense valid ");
4346
4347 scsi_print_command(scmd);
4348
4349 if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) {
4350 pr_warn(MPT3SAS_FMT "\t%s wwid(0x%016llx)\n", ioc->name,
4351 device_str, (unsigned long long)priv_target->sas_address);
4352 } else {
d1cb5e49 4353 sas_device = mpt3sas_get_sdev_from_target(ioc, priv_target);
f92363d1
SR		 4354 if (sas_device) {
4355 pr_warn(MPT3SAS_FMT
4356 "\tsas_address(0x%016llx), phy(%d)\n",
4357 ioc->name, (unsigned long long)
4358 sas_device->sas_address, sas_device->phy);
e6d45e3e
SR		 4359 if (sas_device->enclosure_handle != 0)
4360 pr_warn(MPT3SAS_FMT
4361 "\tenclosure_logical_id(0x%016llx),"
4362 "slot(%d)\n", ioc->name,
4363 (unsigned long long)
4364 sas_device->enclosure_logical_id,
4365 sas_device->slot);
4366 if (sas_device->connector_name[0])
4367 pr_warn(MPT3SAS_FMT
4368 "\tenclosure level(0x%04x),"
4369 " connector name( %s)\n", ioc->name,
4370 sas_device->enclosure_level,
4371 sas_device->connector_name);
d1cb5e49
SR		 4372
4373 sas_device_put(sas_device);
f92363d1 4374 }
f92363d1
SR		 4375 }
4376
4377 pr_warn(MPT3SAS_FMT
4378 "\thandle(0x%04x), ioc_status(%s)(0x%04x), smid(%d)\n",
4379 ioc->name, le16_to_cpu(mpi_reply->DevHandle),
4380 desc_ioc_state, ioc_status, smid);
4381 pr_warn(MPT3SAS_FMT
4382 "\trequest_len(%d), underflow(%d), resid(%d)\n",
4383 ioc->name, scsi_bufflen(scmd), scmd->underflow,
4384 scsi_get_resid(scmd));
4385 pr_warn(MPT3SAS_FMT
4386 "\ttag(%d), transfer_count(%d), sc->result(0x%08x)\n",
4387 ioc->name, le16_to_cpu(mpi_reply->TaskTag),
4388 le32_to_cpu(mpi_reply->TransferCount), scmd->result);
4389 pr_warn(MPT3SAS_FMT
4390 "\tscsi_status(%s)(0x%02x), scsi_state(%s)(0x%02x)\n",
4391 ioc->name, desc_scsi_status,
4392 scsi_status, desc_scsi_state, scsi_state);
4393
4394 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
4395 struct sense_info data;
4396 _scsih_normalize_sense(scmd->sense_buffer, &data);
4397 pr_warn(MPT3SAS_FMT
4398 "\t[sense_key,asc,ascq]: [0x%02x,0x%02x,0x%02x], count(%d)\n",
4399 ioc->name, data.skey,
4400 data.asc, data.ascq, le32_to_cpu(mpi_reply->SenseCount));
4401 }
4402
4403 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) {
4404 response_info = le32_to_cpu(mpi_reply->ResponseInfo);
4405 response_bytes = (u8 *)&response_info;
4406 _scsih_response_code(ioc, response_bytes[0]);
4407 }
4408}
f92363d1
SR		 4409
4410/**
0f624c39 4411 * _scsih_turn_on_pfa_led - illuminate PFA LED
f92363d1
SR		 4412 * @ioc: per adapter object
4413 * @handle: device handle
4414 * Context: process
4415 *
4416 * Return nothing.
4417 */
4418static void
0f624c39 4419_scsih_turn_on_pfa_led(struct MPT3SAS_ADAPTER *ioc, u16 handle)
f92363d1
SR		 4420{
4421 Mpi2SepReply_t mpi_reply;
4422 Mpi2SepRequest_t mpi_request;
0f624c39
SR		 4423 struct _sas_device *sas_device;
4424
d1cb5e49 4425 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
0f624c39
SR		 4426 if (!sas_device)
4427 return;
f92363d1
SR		 4428
4429 memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t));
4430 mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
4431 mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS;
4432 mpi_request.SlotStatus =
4433 cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
4434 mpi_request.DevHandle = cpu_to_le16(handle);
4435 mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS;
4436 if ((mpt3sas_base_scsi_enclosure_processor(ioc, &mpi_reply,
4437 &mpi_request)) != 0) {
4438 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", ioc->name,
4439 __FILE__, __LINE__, __func__);
d1cb5e49 4440 goto out;
f92363d1 4441 }
0f624c39 4442 sas_device->pfa_led_on = 1;
f92363d1
SR		 4443
4444 if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) {
4445 dewtprintk(ioc, pr_info(MPT3SAS_FMT
4446 "enclosure_processor: ioc_status (0x%04x), loginfo(0x%08x)\n",
4447 ioc->name, le16_to_cpu(mpi_reply.IOCStatus),
4448 le32_to_cpu(mpi_reply.IOCLogInfo)));
d1cb5e49 4449 goto out;
f92363d1 4450 }
d1cb5e49
SR		 4451out:
4452 sas_device_put(sas_device);
f92363d1 4453}
d1cb5e49 4454
0f624c39
SR		 4455/**
4456 * _scsih_turn_off_pfa_led - turn off Fault LED
4457 * @ioc: per adapter object
4458 * @sas_device: sas device whose PFA LED has to turned off
4459 * Context: process
4460 *
4461 * Return nothing.
4462 */
4463static void
4464_scsih_turn_off_pfa_led(struct MPT3SAS_ADAPTER *ioc,
4465 struct _sas_device *sas_device)
4466{
4467 Mpi2SepReply_t mpi_reply;
4468 Mpi2SepRequest_t mpi_request;
f92363d1 4469
0f624c39
SR		 4470 memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t));
4471 mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
4472 mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS;
4473 mpi_request.SlotStatus = 0;
4474 mpi_request.Slot = cpu_to_le16(sas_device->slot);
4475 mpi_request.DevHandle = 0;
4476 mpi_request.EnclosureHandle = cpu_to_le16(sas_device->enclosure_handle);
4477 mpi_request.Flags = MPI2_SEP_REQ_FLAGS_ENCLOSURE_SLOT_ADDRESS;
4478 if ((mpt3sas_base_scsi_enclosure_processor(ioc, &mpi_reply,
4479 &mpi_request)) != 0) {
4480 printk(MPT3SAS_FMT "failure at %s:%d/%s()!\n", ioc->name,
4481 __FILE__, __LINE__, __func__);
4482 return;
4483 }
4484
4485 if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) {
4486 dewtprintk(ioc, printk(MPT3SAS_FMT
4487 "enclosure_processor: ioc_status (0x%04x), loginfo(0x%08x)\n",
4488 ioc->name, le16_to_cpu(mpi_reply.IOCStatus),
4489 le32_to_cpu(mpi_reply.IOCLogInfo)));
4490 return;
4491 }
4492}
d1cb5e49 4493
f92363d1 4494/**
0f624c39 4495 * _scsih_send_event_to_turn_on_pfa_led - fire delayed event
f92363d1
SR		 4496 * @ioc: per adapter object
4497 * @handle: device handle
4498 * Context: interrupt.
4499 *
4500 * Return nothing.
4501 */
4502static void
0f624c39 4503_scsih_send_event_to_turn_on_pfa_led(struct MPT3SAS_ADAPTER *ioc, u16 handle)
f92363d1
SR		 4504{
4505 struct fw_event_work *fw_event;
4506
146b16c8 4507 fw_event = alloc_fw_event_work(0);
f92363d1
SR		 4508 if (!fw_event)
4509 return;
0f624c39 4510 fw_event->event = MPT3SAS_TURN_ON_PFA_LED;
f92363d1
SR		 4511 fw_event->device_handle = handle;
4512 fw_event->ioc = ioc;
4513 _scsih_fw_event_add(ioc, fw_event);
146b16c8 4514 fw_event_work_put(fw_event);
f92363d1
SR		 4515}
4516
4517/**
4518 * _scsih_smart_predicted_fault - process smart errors
4519 * @ioc: per adapter object
4520 * @handle: device handle
4521 * Context: interrupt.
4522 *
4523 * Return nothing.
4524 */
4525static void
4526_scsih_smart_predicted_fault(struct MPT3SAS_ADAPTER *ioc, u16 handle)
4527{
4528 struct scsi_target *starget;
4529 struct MPT3SAS_TARGET *sas_target_priv_data;
4530 Mpi2EventNotificationReply_t *event_reply;
4531 Mpi2EventDataSasDeviceStatusChange_t *event_data;
4532 struct _sas_device *sas_device;
4533 ssize_t sz;
4534 unsigned long flags;
4535
4536 /* only handle non-raid devices */
4537 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49
SR		 4538 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
4539 if (!sas_device)
4540 goto out_unlock;
4541
f92363d1
SR		 4542 starget = sas_device->starget;
4543 sas_target_priv_data = starget->hostdata;
4544
4545 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) ||
d1cb5e49
SR		 4546 ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)))
4547 goto out_unlock;
4548
e6d45e3e
SR		 4549 if (sas_device->enclosure_handle != 0)
4550 starget_printk(KERN_INFO, starget, "predicted fault, "
4551 "enclosure logical id(0x%016llx), slot(%d)\n",
4552 (unsigned long long)sas_device->enclosure_logical_id,
4553 sas_device->slot);
4554 if (sas_device->connector_name[0] != '\0')
4555 starget_printk(KERN_WARNING, starget, "predicted fault, "
4556 "enclosure level(0x%04x), connector name( %s)\n",
4557 sas_device->enclosure_level,
4558 sas_device->connector_name);
f92363d1
SR		 4559 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4560
4561 if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM)
0f624c39 4562 _scsih_send_event_to_turn_on_pfa_led(ioc, handle);
f92363d1
SR		 4563
4564 /* insert into event log */
4565 sz = offsetof(Mpi2EventNotificationReply_t, EventData) +
4566 sizeof(Mpi2EventDataSasDeviceStatusChange_t);
4567 event_reply = kzalloc(sz, GFP_KERNEL);
4568 if (!event_reply) {
4569 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4570 ioc->name, __FILE__, __LINE__, __func__);
d1cb5e49 4571 goto out;
f92363d1
SR		 4572 }
4573
4574 event_reply->Function = MPI2_FUNCTION_EVENT_NOTIFICATION;
4575 event_reply->Event =
4576 cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE);
4577 event_reply->MsgLength = sz/4;
4578 event_reply->EventDataLength =
4579 cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t)/4);
4580 event_data = (Mpi2EventDataSasDeviceStatusChange_t *)
4581 event_reply->EventData;
4582 event_data->ReasonCode = MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA;
4583 event_data->ASC = 0x5D;
4584 event_data->DevHandle = cpu_to_le16(handle);
4585 event_data->SASAddress = cpu_to_le64(sas_target_priv_data->sas_address);
4586 mpt3sas_ctl_add_to_event_log(ioc, event_reply);
4587 kfree(event_reply);
d1cb5e49
SR		 4588out:
4589 if (sas_device)
4590 sas_device_put(sas_device);
4591 return;
4592
4593out_unlock:
4594 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4595 goto out;
f92363d1
SR		 4596}
4597
4598/**
4599 * _scsih_io_done - scsi request callback
4600 * @ioc: per adapter object
4601 * @smid: system request message index
4602 * @msix_index: MSIX table index supplied by the OS
4603 * @reply: reply message frame(lower 32bit addr)
4604 *
4605 * Callback handler when using _scsih_qcmd.
4606 *
4607 * Return 1 meaning mf should be freed from _base_interrupt
4608 * 0 means the mf is freed from this function.
4609 */
4610static u8
4611_scsih_io_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
4612{
4613 Mpi2SCSIIORequest_t *mpi_request;
4614 Mpi2SCSIIOReply_t *mpi_reply;
4615 struct scsi_cmnd *scmd;
4616 u16 ioc_status;
4617 u32 xfer_cnt;
4618 u8 scsi_state;
4619 u8 scsi_status;
4620 u32 log_info;
4621 struct MPT3SAS_DEVICE *sas_device_priv_data;
4622 u32 response_code = 0;
7786ab6a 4623 unsigned long flags;
f92363d1
SR		 4624
4625 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
4626 scmd = _scsih_scsi_lookup_get_clear(ioc, smid);
4627 if (scmd == NULL)
4628 return 1;
4629
4630 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
4631
4632 if (mpi_reply == NULL) {
4633 scmd->result = DID_OK << 16;
4634 goto out;
4635 }
4636
4637 sas_device_priv_data = scmd->device->hostdata;
4638 if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
4639 sas_device_priv_data->sas_target->deleted) {
4640 scmd->result = DID_NO_CONNECT << 16;
4641 goto out;
4642 }
4643 ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
4644
7786ab6a
SR		 4645 /*
4646 * WARPDRIVE: If direct_io is set then it is directIO,
4647 * the failed direct I/O should be redirected to volume
4648 */
c84b06a4 4649 if (mpt3sas_scsi_direct_io_get(ioc, smid) &&
7786ab6a
SR		 4650 ((ioc_status & MPI2_IOCSTATUS_MASK)
4651 != MPI2_IOCSTATUS_SCSI_TASK_TERMINATED)) {
4652 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
4653 ioc->scsi_lookup[smid - 1].scmd = scmd;
4654 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
c84b06a4 4655 mpt3sas_scsi_direct_io_set(ioc, smid, 0);
7786ab6a
SR		 4656 memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len);
4657 mpi_request->DevHandle =
4658 cpu_to_le16(sas_device_priv_data->sas_target->handle);
4659 mpt3sas_base_put_smid_scsi_io(ioc, smid,
4660 sas_device_priv_data->sas_target->handle);
4661 return 0;
4662 }
f92363d1
SR		 4663 /* turning off TLR */
4664 scsi_state = mpi_reply->SCSIState;
4665 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
4666 response_code =
4667 le32_to_cpu(mpi_reply->ResponseInfo) & 0xFF;
4668 if (!sas_device_priv_data->tlr_snoop_check) {
4669 sas_device_priv_data->tlr_snoop_check++;
7786ab6a
SR		 4670 if (!ioc->is_warpdrive &&
4671 !scsih_is_raid(&scmd->device->sdev_gendev) &&
c84b06a4
SR		 4672 sas_is_tlr_enabled(scmd->device) &&
4673 response_code == MPI2_SCSITASKMGMT_RSP_INVALID_FRAME) {
4674 sas_disable_tlr(scmd->device);
4675 sdev_printk(KERN_INFO, scmd->device, "TLR disabled\n");
4676 }
f92363d1
SR		 4677 }
4678
4679 xfer_cnt = le32_to_cpu(mpi_reply->TransferCount);
4680 scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt);
4681 if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
4682 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
4683 else
4684 log_info = 0;
4685 ioc_status &= MPI2_IOCSTATUS_MASK;
4686 scsi_status = mpi_reply->SCSIStatus;
4687
4688 if (ioc_status == MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
4689 (scsi_status == MPI2_SCSI_STATUS_BUSY ||
4690 scsi_status == MPI2_SCSI_STATUS_RESERVATION_CONFLICT ||
4691 scsi_status == MPI2_SCSI_STATUS_TASK_SET_FULL)) {
4692 ioc_status = MPI2_IOCSTATUS_SUCCESS;
4693 }
4694
4695 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
4696 struct sense_info data;
4697 const void *sense_data = mpt3sas_base_get_sense_buffer(ioc,
4698 smid);
4699 u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE,
4700 le32_to_cpu(mpi_reply->SenseCount));
4701 memcpy(scmd->sense_buffer, sense_data, sz);
4702 _scsih_normalize_sense(scmd->sense_buffer, &data);
4703 /* failure prediction threshold exceeded */
4704 if (data.asc == 0x5D)
4705 _scsih_smart_predicted_fault(ioc,
4706 le16_to_cpu(mpi_reply->DevHandle));
4707 mpt3sas_trigger_scsi(ioc, data.skey, data.asc, data.ascq);
f92363d1 4708
0d667f72 4709 if ((ioc->logging_level & MPT_DEBUG_REPLY) &&
e6d45e3e
SR		 4710 ((scmd->sense_buffer[2] == UNIT_ATTENTION) ||
4711 (scmd->sense_buffer[2] == MEDIUM_ERROR) ||
4712 (scmd->sense_buffer[2] == HARDWARE_ERROR)))
4713 _scsih_scsi_ioc_info(ioc, scmd, mpi_reply, smid);
e6d45e3e 4714 }
f92363d1
SR		 4715 switch (ioc_status) {
4716 case MPI2_IOCSTATUS_BUSY:
4717 case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES:
4718 scmd->result = SAM_STAT_BUSY;
4719 break;
4720
4721 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
4722 scmd->result = DID_NO_CONNECT << 16;
4723 break;
4724
4725 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
4726 if (sas_device_priv_data->block) {
4727 scmd->result = DID_TRANSPORT_DISRUPTED << 16;
4728 goto out;
4729 }
4730 if (log_info == 0x31110630) {
4731 if (scmd->retries > 2) {
4732 scmd->result = DID_NO_CONNECT << 16;
4733 scsi_device_set_state(scmd->device,
4734 SDEV_OFFLINE);
4735 } else {
4736 scmd->result = DID_SOFT_ERROR << 16;
4737 scmd->device->expecting_cc_ua = 1;
4738 }
4739 break;
3898f08e
SR		 4740 } else if (log_info == VIRTUAL_IO_FAILED_RETRY) {
4741 scmd->result = DID_RESET << 16;
4742 break;
f92363d1
SR		 4743 }
4744 scmd->result = DID_SOFT_ERROR << 16;
4745 break;
4746 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
4747 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
4748 scmd->result = DID_RESET << 16;
4749 break;
4750
4751 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
4752 if ((xfer_cnt == 0) || (scmd->underflow > xfer_cnt))
4753 scmd->result = DID_SOFT_ERROR << 16;
4754 else
4755 scmd->result = (DID_OK << 16) | scsi_status;
4756 break;
4757
4758 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
4759 scmd->result = (DID_OK << 16) | scsi_status;
4760
4761 if ((scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID))
4762 break;
4763
4764 if (xfer_cnt < scmd->underflow) {
4765 if (scsi_status == SAM_STAT_BUSY)
4766 scmd->result = SAM_STAT_BUSY;
4767 else
4768 scmd->result = DID_SOFT_ERROR << 16;
4769 } else if (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
4770 MPI2_SCSI_STATE_NO_SCSI_STATUS))
4771 scmd->result = DID_SOFT_ERROR << 16;
4772 else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
4773 scmd->result = DID_RESET << 16;
4774 else if (!xfer_cnt && scmd->cmnd[0] == REPORT_LUNS) {
4775 mpi_reply->SCSIState = MPI2_SCSI_STATE_AUTOSENSE_VALID;
4776 mpi_reply->SCSIStatus = SAM_STAT_CHECK_CONDITION;
4777 scmd->result = (DRIVER_SENSE << 24) |
4778 SAM_STAT_CHECK_CONDITION;
4779 scmd->sense_buffer[0] = 0x70;
4780 scmd->sense_buffer[2] = ILLEGAL_REQUEST;
4781 scmd->sense_buffer[12] = 0x20;
4782 scmd->sense_buffer[13] = 0;
4783 }
4784 break;
4785
4786 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
4787 scsi_set_resid(scmd, 0);
4788 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
4789 case MPI2_IOCSTATUS_SUCCESS:
4790 scmd->result = (DID_OK << 16) | scsi_status;
4791 if (response_code ==
4792 MPI2_SCSITASKMGMT_RSP_INVALID_FRAME ||
4793 (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
4794 MPI2_SCSI_STATE_NO_SCSI_STATUS)))
4795 scmd->result = DID_SOFT_ERROR << 16;
4796 else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
4797 scmd->result = DID_RESET << 16;
4798 break;
4799
4800 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
4801 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
4802 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
4803 _scsih_eedp_error_handling(scmd, ioc_status);
4804 break;
4805
4806 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
4807 case MPI2_IOCSTATUS_INVALID_FUNCTION:
4808 case MPI2_IOCSTATUS_INVALID_SGL:
4809 case MPI2_IOCSTATUS_INTERNAL_ERROR:
4810 case MPI2_IOCSTATUS_INVALID_FIELD:
4811 case MPI2_IOCSTATUS_INVALID_STATE:
4812 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
4813 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
b130b0d5 4814 case MPI2_IOCSTATUS_INSUFFICIENT_POWER:
f92363d1
SR		 4815 default:
4816 scmd->result = DID_SOFT_ERROR << 16;
4817 break;
4818
4819 }
4820
f92363d1
SR		 4821 if (scmd->result && (ioc->logging_level & MPT_DEBUG_REPLY))
4822 _scsih_scsi_ioc_info(ioc , scmd, mpi_reply, smid);
f92363d1
SR		 4823
4824 out:
4825
4826 scsi_dma_unmap(scmd);
4827
4828 scmd->scsi_done(scmd);
4829 return 1;
4830}
4831
4832/**
4833 * _scsih_sas_host_refresh - refreshing sas host object contents
4834 * @ioc: per adapter object
4835 * Context: user
4836 *
4837 * During port enable, fw will send topology events for every device. Its
4838 * possible that the handles may change from the previous setting, so this
4839 * code keeping handles updating if changed.
4840 *
4841 * Return nothing.
4842 */
4843static void
4844_scsih_sas_host_refresh(struct MPT3SAS_ADAPTER *ioc)
4845{
4846 u16 sz;
4847 u16 ioc_status;
4848 int i;
4849 Mpi2ConfigReply_t mpi_reply;
4850 Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
4851 u16 attached_handle;
4852 u8 link_rate;
4853
4854 dtmprintk(ioc, pr_info(MPT3SAS_FMT
4855 "updating handles for sas_host(0x%016llx)\n",
4856 ioc->name, (unsigned long long)ioc->sas_hba.sas_address));
4857
4858 sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys
4859 * sizeof(Mpi2SasIOUnit0PhyData_t));
4860 sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
4861 if (!sas_iounit_pg0) {
4862 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4863 ioc->name, __FILE__, __LINE__, __func__);
4864 return;
4865 }
4866
4867 if ((mpt3sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
4868 sas_iounit_pg0, sz)) != 0)
4869 goto out;
4870 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
4871 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
4872 goto out;
4873 for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
4874 link_rate = sas_iounit_pg0->PhyData[i].NegotiatedLinkRate >> 4;
4875 if (i == 0)
4876 ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0->
4877 PhyData[0].ControllerDevHandle);
4878 ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
4879 attached_handle = le16_to_cpu(sas_iounit_pg0->PhyData[i].
4880 AttachedDevHandle);
4881 if (attached_handle && link_rate < MPI2_SAS_NEG_LINK_RATE_1_5)
4882 link_rate = MPI2_SAS_NEG_LINK_RATE_1_5;
4883 mpt3sas_transport_update_links(ioc, ioc->sas_hba.sas_address,
4884 attached_handle, i, link_rate);
4885 }
4886 out:
4887 kfree(sas_iounit_pg0);
4888}
4889
4890/**
4891 * _scsih_sas_host_add - create sas host object
4892 * @ioc: per adapter object
4893 *
4894 * Creating host side data object, stored in ioc->sas_hba
4895 *
4896 * Return nothing.
4897 */
4898static void
4899_scsih_sas_host_add(struct MPT3SAS_ADAPTER *ioc)
4900{
4901 int i;
4902 Mpi2ConfigReply_t mpi_reply;
4903 Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
4904 Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
4905 Mpi2SasPhyPage0_t phy_pg0;
4906 Mpi2SasDevicePage0_t sas_device_pg0;
4907 Mpi2SasEnclosurePage0_t enclosure_pg0;
4908 u16 ioc_status;
4909 u16 sz;
4910 u8 device_missing_delay;
87aa95d4 4911 u8 num_phys;
f92363d1 4912
87aa95d4
JL		 4913 mpt3sas_config_get_number_hba_phys(ioc, &num_phys);
4914 if (!num_phys) {
f92363d1
SR		 4915 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4916 ioc->name, __FILE__, __LINE__, __func__);
4917 return;
4918 }
87aa95d4
JL		 4919 ioc->sas_hba.phy = kcalloc(num_phys,
4920 sizeof(struct _sas_phy), GFP_KERNEL);
4921 if (!ioc->sas_hba.phy) {
4922 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4923 ioc->name, __FILE__, __LINE__, __func__);
4924 goto out;
4925 }
4926 ioc->sas_hba.num_phys = num_phys;
f92363d1
SR		 4927
4928 /* sas_iounit page 0 */
4929 sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys *
4930 sizeof(Mpi2SasIOUnit0PhyData_t));
4931 sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
4932 if (!sas_iounit_pg0) {
4933 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4934 ioc->name, __FILE__, __LINE__, __func__);
4935 return;
4936 }
4937 if ((mpt3sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
4938 sas_iounit_pg0, sz))) {
4939 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4940 ioc->name, __FILE__, __LINE__, __func__);
4941 goto out;
4942 }
4943 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
4944 MPI2_IOCSTATUS_MASK;
4945 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
4946 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4947 ioc->name, __FILE__, __LINE__, __func__);
4948 goto out;
4949 }
4950
4951 /* sas_iounit page 1 */
4952 sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys *
4953 sizeof(Mpi2SasIOUnit1PhyData_t));
4954 sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
4955 if (!sas_iounit_pg1) {
4956 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4957 ioc->name, __FILE__, __LINE__, __func__);
4958 goto out;
4959 }
4960 if ((mpt3sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
4961 sas_iounit_pg1, sz))) {
4962 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4963 ioc->name, __FILE__, __LINE__, __func__);
4964 goto out;
4965 }
4966 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
4967 MPI2_IOCSTATUS_MASK;
4968 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
4969 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4970 ioc->name, __FILE__, __LINE__, __func__);
4971 goto out;
4972 }
4973
4974 ioc->io_missing_delay =
4975 sas_iounit_pg1->IODeviceMissingDelay;
4976 device_missing_delay =
4977 sas_iounit_pg1->ReportDeviceMissingDelay;
4978 if (device_missing_delay & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
4979 ioc->device_missing_delay = (device_missing_delay &
4980 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
4981 else
4982 ioc->device_missing_delay = device_missing_delay &
4983 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
4984
4985 ioc->sas_hba.parent_dev = &ioc->shost->shost_gendev;
f92363d1
SR		 4986 for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
4987 if ((mpt3sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0,
4988 i))) {
4989 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4990 ioc->name, __FILE__, __LINE__, __func__);
4991 goto out;
4992 }
4993 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
4994 MPI2_IOCSTATUS_MASK;
4995 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
4996 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4997 ioc->name, __FILE__, __LINE__, __func__);
4998 goto out;
4999 }
5000
5001 if (i == 0)
5002 ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0->
5003 PhyData[0].ControllerDevHandle);
5004 ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
5005 ioc->sas_hba.phy[i].phy_id = i;
5006 mpt3sas_transport_add_host_phy(ioc, &ioc->sas_hba.phy[i],
5007 phy_pg0, ioc->sas_hba.parent_dev);
5008 }
5009 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
5010 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, ioc->sas_hba.handle))) {
5011 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5012 ioc->name, __FILE__, __LINE__, __func__);
5013 goto out;
5014 }
5015 ioc->sas_hba.enclosure_handle =
5016 le16_to_cpu(sas_device_pg0.EnclosureHandle);
5017 ioc->sas_hba.sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
5018 pr_info(MPT3SAS_FMT
5019 "host_add: handle(0x%04x), sas_addr(0x%016llx), phys(%d)\n",
5020 ioc->name, ioc->sas_hba.handle,
5021 (unsigned long long) ioc->sas_hba.sas_address,
5022 ioc->sas_hba.num_phys) ;
5023
5024 if (ioc->sas_hba.enclosure_handle) {
5025 if (!(mpt3sas_config_get_enclosure_pg0(ioc, &mpi_reply,
5026 &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
5027 ioc->sas_hba.enclosure_handle)))
5028 ioc->sas_hba.enclosure_logical_id =
5029 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
5030 }
5031
5032 out:
5033 kfree(sas_iounit_pg1);
5034 kfree(sas_iounit_pg0);
5035}
5036
5037/**
5038 * _scsih_expander_add - creating expander object
5039 * @ioc: per adapter object
5040 * @handle: expander handle
5041 *
5042 * Creating expander object, stored in ioc->sas_expander_list.
5043 *
5044 * Return 0 for success, else error.
5045 */
5046static int
5047_scsih_expander_add(struct MPT3SAS_ADAPTER *ioc, u16 handle)
5048{
5049 struct _sas_node *sas_expander;
5050 Mpi2ConfigReply_t mpi_reply;
5051 Mpi2ExpanderPage0_t expander_pg0;
5052 Mpi2ExpanderPage1_t expander_pg1;
5053 Mpi2SasEnclosurePage0_t enclosure_pg0;
5054 u32 ioc_status;
5055 u16 parent_handle;
5056 u64 sas_address, sas_address_parent = 0;
5057 int i;
5058 unsigned long flags;
5059 struct _sas_port *mpt3sas_port = NULL;
5060
5061 int rc = 0;
5062
5063 if (!handle)
5064 return -1;
5065
5066 if (ioc->shost_recovery || ioc->pci_error_recovery)
5067 return -1;
5068
5069 if ((mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
5070 MPI2_SAS_EXPAND_PGAD_FORM_HNDL, handle))) {
5071 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5072 ioc->name, __FILE__, __LINE__, __func__);
5073 return -1;
5074 }
5075
5076 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
5077 MPI2_IOCSTATUS_MASK;
5078 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
5079 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5080 ioc->name, __FILE__, __LINE__, __func__);
5081 return -1;
5082 }
5083
5084 /* handle out of order topology events */
5085 parent_handle = le16_to_cpu(expander_pg0.ParentDevHandle);
5086 if (_scsih_get_sas_address(ioc, parent_handle, &sas_address_parent)
5087 != 0) {
5088 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5089 ioc->name, __FILE__, __LINE__, __func__);
5090 return -1;
5091 }
5092 if (sas_address_parent != ioc->sas_hba.sas_address) {
5093 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5094 sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc,
5095 sas_address_parent);
5096 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5097 if (!sas_expander) {
5098 rc = _scsih_expander_add(ioc, parent_handle);
5099 if (rc != 0)
5100 return rc;
5101 }
5102 }
5103
5104 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5105 sas_address = le64_to_cpu(expander_pg0.SASAddress);
5106 sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc,
5107 sas_address);
5108 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5109
5110 if (sas_expander)
5111 return 0;
5112
5113 sas_expander = kzalloc(sizeof(struct _sas_node),
5114 GFP_KERNEL);
5115 if (!sas_expander) {
5116 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5117 ioc->name, __FILE__, __LINE__, __func__);
5118 return -1;
5119 }
5120
5121 sas_expander->handle = handle;
5122 sas_expander->num_phys = expander_pg0.NumPhys;
5123 sas_expander->sas_address_parent = sas_address_parent;
5124 sas_expander->sas_address = sas_address;
5125
5126 pr_info(MPT3SAS_FMT "expander_add: handle(0x%04x)," \
5127 " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc->name,
5128 handle, parent_handle, (unsigned long long)
5129 sas_expander->sas_address, sas_expander->num_phys);
5130
5131 if (!sas_expander->num_phys)
5132 goto out_fail;
5133 sas_expander->phy = kcalloc(sas_expander->num_phys,
5134 sizeof(struct _sas_phy), GFP_KERNEL);
5135 if (!sas_expander->phy) {
5136 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5137 ioc->name, __FILE__, __LINE__, __func__);
5138 rc = -1;
5139 goto out_fail;
5140 }
5141
5142 INIT_LIST_HEAD(&sas_expander->sas_port_list);
5143 mpt3sas_port = mpt3sas_transport_port_add(ioc, handle,
5144 sas_address_parent);
5145 if (!mpt3sas_port) {
5146 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5147 ioc->name, __FILE__, __LINE__, __func__);
5148 rc = -1;
5149 goto out_fail;
5150 }
5151 sas_expander->parent_dev = &mpt3sas_port->rphy->dev;
5152
5153 for (i = 0 ; i < sas_expander->num_phys ; i++) {
5154 if ((mpt3sas_config_get_expander_pg1(ioc, &mpi_reply,
5155 &expander_pg1, i, handle))) {
5156 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5157 ioc->name, __FILE__, __LINE__, __func__);
5158 rc = -1;
5159 goto out_fail;
5160 }
5161 sas_expander->phy[i].handle = handle;
5162 sas_expander->phy[i].phy_id = i;
5163
5164 if ((mpt3sas_transport_add_expander_phy(ioc,
5165 &sas_expander->phy[i], expander_pg1,
5166 sas_expander->parent_dev))) {
5167 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5168 ioc->name, __FILE__, __LINE__, __func__);
5169 rc = -1;
5170 goto out_fail;
5171 }
5172 }
5173
5174 if (sas_expander->enclosure_handle) {
5175 if (!(mpt3sas_config_get_enclosure_pg0(ioc, &mpi_reply,
5176 &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
5177 sas_expander->enclosure_handle)))
5178 sas_expander->enclosure_logical_id =
5179 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
5180 }
5181
5182 _scsih_expander_node_add(ioc, sas_expander);
5183 return 0;
5184
5185 out_fail:
5186
5187 if (mpt3sas_port)
5188 mpt3sas_transport_port_remove(ioc, sas_expander->sas_address,
5189 sas_address_parent);
5190 kfree(sas_expander);
5191 return rc;
5192}
5193
5194/**
5195 * mpt3sas_expander_remove - removing expander object
5196 * @ioc: per adapter object
5197 * @sas_address: expander sas_address
5198 *
5199 * Return nothing.
5200 */
5201void
5202mpt3sas_expander_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address)
5203{
5204 struct _sas_node *sas_expander;
5205 unsigned long flags;
5206
5207 if (ioc->shost_recovery)
5208 return;
5209
5210 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5211 sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc,
5212 sas_address);
5213 if (sas_expander)
5214 list_del(&sas_expander->list);
5215 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5216 if (sas_expander)
5217 _scsih_expander_node_remove(ioc, sas_expander);
5218}
5219
5220/**
5221 * _scsih_done - internal SCSI_IO callback handler.
5222 * @ioc: per adapter object
5223 * @smid: system request message index
5224 * @msix_index: MSIX table index supplied by the OS
5225 * @reply: reply message frame(lower 32bit addr)
5226 *
5227 * Callback handler when sending internal generated SCSI_IO.
5228 * The callback index passed is `ioc->scsih_cb_idx`
5229 *
5230 * Return 1 meaning mf should be freed from _base_interrupt
5231 * 0 means the mf is freed from this function.
5232 */
5233static u8
5234_scsih_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
5235{
5236 MPI2DefaultReply_t *mpi_reply;
5237
5238 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
5239 if (ioc->scsih_cmds.status == MPT3_CMD_NOT_USED)
5240 return 1;
5241 if (ioc->scsih_cmds.smid != smid)
5242 return 1;
5243 ioc->scsih_cmds.status |= MPT3_CMD_COMPLETE;
5244 if (mpi_reply) {
5245 memcpy(ioc->scsih_cmds.reply, mpi_reply,
5246 mpi_reply->MsgLength*4);
5247 ioc->scsih_cmds.status |= MPT3_CMD_REPLY_VALID;
5248 }
5249 ioc->scsih_cmds.status &= ~MPT3_CMD_PENDING;
5250 complete(&ioc->scsih_cmds.done);
5251 return 1;
5252}
5253
5254
5255
5256
5257#define MPT3_MAX_LUNS (255)
5258
5259
5260/**
5261 * _scsih_check_access_status - check access flags
5262 * @ioc: per adapter object
5263 * @sas_address: sas address
5264 * @handle: sas device handle
5265 * @access_flags: errors returned during discovery of the device
5266 *
5267 * Return 0 for success, else failure
5268 */
5269static u8
5270_scsih_check_access_status(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
5271 u16 handle, u8 access_status)
5272{
5273 u8 rc = 1;
5274 char *desc = NULL;
5275
5276 switch (access_status) {
5277 case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS:
5278 case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION:
5279 rc = 0;
5280 break;
5281 case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED:
5282 desc = "sata capability failed";
5283 break;
5284 case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT:
5285 desc = "sata affiliation conflict";
5286 break;
5287 case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE:
5288 desc = "route not addressable";
5289 break;
5290 case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE:
5291 desc = "smp error not addressable";
5292 break;
5293 case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED:
5294 desc = "device blocked";
5295 break;
5296 case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED:
5297 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN:
5298 case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT:
5299 case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG:
5300 case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION:
5301 case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER:
5302 case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN:
5303 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN:
5304 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN:
5305 case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION:
5306 case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE:
5307 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX:
5308 desc = "sata initialization failed";
5309 break;
5310 default:
5311 desc = "unknown";
5312 break;
5313 }
5314
5315 if (!rc)
5316 return 0;
5317
5318 pr_err(MPT3SAS_FMT
5319 "discovery errors(%s): sas_address(0x%016llx), handle(0x%04x)\n",
5320 ioc->name, desc, (unsigned long long)sas_address, handle);
5321 return rc;
5322}
5323
5324/**
5325 * _scsih_check_device - checking device responsiveness
5326 * @ioc: per adapter object
5327 * @parent_sas_address: sas address of parent expander or sas host
5328 * @handle: attached device handle
5329 * @phy_numberv: phy number
5330 * @link_rate: new link rate
5331 *
5332 * Returns nothing.
5333 */
5334static void
5335_scsih_check_device(struct MPT3SAS_ADAPTER *ioc,
5336 u64 parent_sas_address, u16 handle, u8 phy_number, u8 link_rate)
5337{
5338 Mpi2ConfigReply_t mpi_reply;
5339 Mpi2SasDevicePage0_t sas_device_pg0;
5340 struct _sas_device *sas_device;
5341 u32 ioc_status;
5342 unsigned long flags;
5343 u64 sas_address;
5344 struct scsi_target *starget;
5345 struct MPT3SAS_TARGET *sas_target_priv_data;
5346 u32 device_info;
5347
5348
5349 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
5350 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle)))
5351 return;
5352
5353 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
5354 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
5355 return;
5356
5357 /* wide port handling ~ we need only handle device once for the phy that
5358 * is matched in sas device page zero
5359 */
5360 if (phy_number != sas_device_pg0.PhyNum)
5361 return;
5362
5363 /* check if this is end device */
5364 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
5365 if (!(_scsih_is_end_device(device_info)))
5366 return;
5367
5368 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5369 sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
d1cb5e49 5370 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
f92363d1
SR		 5371 sas_address);
5372
d1cb5e49
SR		 5373 if (!sas_device)
5374 goto out_unlock;
f92363d1
SR		 5375
5376 if (unlikely(sas_device->handle != handle)) {
5377 starget = sas_device->starget;
5378 sas_target_priv_data = starget->hostdata;
5379 starget_printk(KERN_INFO, starget,
5380 "handle changed from(0x%04x) to (0x%04x)!!!\n",
5381 sas_device->handle, handle);
5382 sas_target_priv_data->handle = handle;
5383 sas_device->handle = handle;
e6d45e3e
SR		 5384 if (sas_device_pg0.Flags &
5385 MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
5386 sas_device->enclosure_level =
5387 le16_to_cpu(sas_device_pg0.EnclosureLevel);
310c8e40
CO		 5388 memcpy(sas_device->connector_name,
5389 sas_device_pg0.ConnectorName, 4);
5390 sas_device->connector_name[4] = '\0';
e6d45e3e
SR		 5391 } else {
5392 sas_device->enclosure_level = 0;
5393 sas_device->connector_name[0] = '\0';
5394 }
f92363d1
SR		 5395 }
5396
5397 /* check if device is present */
5398 if (!(le16_to_cpu(sas_device_pg0.Flags) &
5399 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
5400 pr_err(MPT3SAS_FMT
5401 "device is not present handle(0x%04x), flags!!!\n",
5402 ioc->name, handle);
d1cb5e49 5403 goto out_unlock;
f92363d1
SR		 5404 }
5405
5406 /* check if there were any issues with discovery */
5407 if (_scsih_check_access_status(ioc, sas_address, handle,
d1cb5e49
SR		 5408 sas_device_pg0.AccessStatus))
5409 goto out_unlock;
f92363d1
SR		 5410
5411 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5412 _scsih_ublock_io_device(ioc, sas_address);
5413
d1cb5e49
SR		 5414 if (sas_device)
5415 sas_device_put(sas_device);
5416 return;
5417
5418out_unlock:
5419 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5420 if (sas_device)
5421 sas_device_put(sas_device);
f92363d1
SR		 5422}
5423
5424/**
5425 * _scsih_add_device - creating sas device object
5426 * @ioc: per adapter object
5427 * @handle: sas device handle
5428 * @phy_num: phy number end device attached to
5429 * @is_pd: is this hidden raid component
5430 *
5431 * Creating end device object, stored in ioc->sas_device_list.
5432 *
5433 * Returns 0 for success, non-zero for failure.
5434 */
5435static int
5436_scsih_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phy_num,
5437 u8 is_pd)
5438{
5439 Mpi2ConfigReply_t mpi_reply;
5440 Mpi2SasDevicePage0_t sas_device_pg0;
5441 Mpi2SasEnclosurePage0_t enclosure_pg0;
5442 struct _sas_device *sas_device;
5443 u32 ioc_status;
5444 u64 sas_address;
5445 u32 device_info;
f92363d1
SR		 5446
5447 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
5448 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
5449 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5450 ioc->name, __FILE__, __LINE__, __func__);
5451 return -1;
5452 }
5453
5454 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
5455 MPI2_IOCSTATUS_MASK;
5456 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
5457 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5458 ioc->name, __FILE__, __LINE__, __func__);
5459 return -1;
5460 }
5461
5462 /* check if this is end device */
5463 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
5464 if (!(_scsih_is_end_device(device_info)))
5465 return -1;
c696f7b8 5466 set_bit(handle, ioc->pend_os_device_add);
f92363d1
SR		 5467 sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
5468
5469 /* check if device is present */
5470 if (!(le16_to_cpu(sas_device_pg0.Flags) &
5471 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
5472 pr_err(MPT3SAS_FMT "device is not present handle(0x04%x)!!!\n",
5473 ioc->name, handle);
5474 return -1;
5475 }
5476
5477 /* check if there were any issues with discovery */
5478 if (_scsih_check_access_status(ioc, sas_address, handle,
5479 sas_device_pg0.AccessStatus))
5480 return -1;
5481
d1cb5e49
SR		 5482 sas_device = mpt3sas_get_sdev_by_addr(ioc,
5483 sas_address);
5484 if (sas_device) {
c696f7b8 5485 clear_bit(handle, ioc->pend_os_device_add);
d1cb5e49 5486 sas_device_put(sas_device);
f92363d1 5487 return -1;
d1cb5e49 5488 }
f92363d1
SR		 5489
5490 sas_device = kzalloc(sizeof(struct _sas_device),
5491 GFP_KERNEL);
5492 if (!sas_device) {
5493 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5494 ioc->name, __FILE__, __LINE__, __func__);
5495 return 0;
5496 }
5497
d1cb5e49 5498 kref_init(&sas_device->refcount);
f92363d1
SR		 5499 sas_device->handle = handle;
5500 if (_scsih_get_sas_address(ioc,
5501 le16_to_cpu(sas_device_pg0.ParentDevHandle),
5502 &sas_device->sas_address_parent) != 0)
5503 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5504 ioc->name, __FILE__, __LINE__, __func__);
5505 sas_device->enclosure_handle =
5506 le16_to_cpu(sas_device_pg0.EnclosureHandle);
e6d45e3e
SR		 5507 if (sas_device->enclosure_handle != 0)
5508 sas_device->slot =
5509 le16_to_cpu(sas_device_pg0.Slot);
f92363d1
SR		 5510 sas_device->device_info = device_info;
5511 sas_device->sas_address = sas_address;
5512 sas_device->phy = sas_device_pg0.PhyNum;
5513 sas_device->fast_path = (le16_to_cpu(sas_device_pg0.Flags) &
5514 MPI25_SAS_DEVICE0_FLAGS_FAST_PATH_CAPABLE) ? 1 : 0;
5515
e6d45e3e
SR		 5516 if (sas_device_pg0.Flags & MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
5517 sas_device->enclosure_level =
5518 le16_to_cpu(sas_device_pg0.EnclosureLevel);
310c8e40
CO		 5519 memcpy(sas_device->connector_name,
5520 sas_device_pg0.ConnectorName, 4);
5521 sas_device->connector_name[4] = '\0';
e6d45e3e
SR		 5522 } else {
5523 sas_device->enclosure_level = 0;
5524 sas_device->connector_name[0] = '\0';
5525 }
f92363d1
SR		 5526 /* get enclosure_logical_id */
5527 if (sas_device->enclosure_handle && !(mpt3sas_config_get_enclosure_pg0(
5528 ioc, &mpi_reply, &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
5529 sas_device->enclosure_handle)))
5530 sas_device->enclosure_logical_id =
5531 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
5532
5533 /* get device name */
5534 sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName);
5535
5536 if (ioc->wait_for_discovery_to_complete)
5537 _scsih_sas_device_init_add(ioc, sas_device);
5538 else
5539 _scsih_sas_device_add(ioc, sas_device);
5540
d1cb5e49 5541 sas_device_put(sas_device);
f92363d1
SR		 5542 return 0;
5543}
5544
5545/**
5546 * _scsih_remove_device - removing sas device object
5547 * @ioc: per adapter object
5548 * @sas_device_delete: the sas_device object
5549 *
5550 * Return nothing.
5551 */
5552static void
5553_scsih_remove_device(struct MPT3SAS_ADAPTER *ioc,
5554 struct _sas_device *sas_device)
5555{
5556 struct MPT3SAS_TARGET *sas_target_priv_data;
5557
0f624c39
SR		 5558 if ((ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) &&
5559 (sas_device->pfa_led_on)) {
5560 _scsih_turn_off_pfa_led(ioc, sas_device);
5561 sas_device->pfa_led_on = 0;
5562 }
f92363d1
SR		 5563 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5564 "%s: enter: handle(0x%04x), sas_addr(0x%016llx)\n",
5565 ioc->name, __func__,
5566 sas_device->handle, (unsigned long long)
5567 sas_device->sas_address));
e6d45e3e
SR		 5568 if (sas_device->enclosure_handle != 0)
5569 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5570 "%s: enter: enclosure logical id(0x%016llx), slot(%d)\n",
5571 ioc->name, __func__,
5572 (unsigned long long)sas_device->enclosure_logical_id,
5573 sas_device->slot));
5574 if (sas_device->connector_name[0] != '\0')
5575 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5576 "%s: enter: enclosure level(0x%04x), connector name( %s)\n",
5577 ioc->name, __func__,
5578 sas_device->enclosure_level,
5579 sas_device->connector_name));
f92363d1
SR		 5580
5581 if (sas_device->starget && sas_device->starget->hostdata) {
5582 sas_target_priv_data = sas_device->starget->hostdata;
5583 sas_target_priv_data->deleted = 1;
5584 _scsih_ublock_io_device(ioc, sas_device->sas_address);
5585 sas_target_priv_data->handle =
5586 MPT3SAS_INVALID_DEVICE_HANDLE;
5587 }
7786ab6a
SR		 5588
5589 if (!ioc->hide_drives)
5590 mpt3sas_transport_port_remove(ioc,
f92363d1
SR		 5591 sas_device->sas_address,
5592 sas_device->sas_address_parent);
5593
5594 pr_info(MPT3SAS_FMT
5595 "removing handle(0x%04x), sas_addr(0x%016llx)\n",
5596 ioc->name, sas_device->handle,
5597 (unsigned long long) sas_device->sas_address);
e6d45e3e
SR		 5598 if (sas_device->enclosure_handle != 0)
5599 pr_info(MPT3SAS_FMT
5600 "removing : enclosure logical id(0x%016llx), slot(%d)\n",
5601 ioc->name,
5602 (unsigned long long)sas_device->enclosure_logical_id,
5603 sas_device->slot);
5604 if (sas_device->connector_name[0] != '\0')
5605 pr_info(MPT3SAS_FMT
5606 "removing enclosure level(0x%04x), connector name( %s)\n",
5607 ioc->name, sas_device->enclosure_level,
5608 sas_device->connector_name);
f92363d1
SR		 5609
5610 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5611 "%s: exit: handle(0x%04x), sas_addr(0x%016llx)\n",
5612 ioc->name, __func__,
e6d45e3e
SR		 5613 sas_device->handle, (unsigned long long)
5614 sas_device->sas_address));
5615 if (sas_device->enclosure_handle != 0)
5616 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5617 "%s: exit: enclosure logical id(0x%016llx), slot(%d)\n",
5618 ioc->name, __func__,
5619 (unsigned long long)sas_device->enclosure_logical_id,
5620 sas_device->slot));
5621 if (sas_device->connector_name[0] != '\0')
5622 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5623 "%s: exit: enclosure level(0x%04x), connector name(%s)\n",
5624 ioc->name, __func__, sas_device->enclosure_level,
5625 sas_device->connector_name));
f92363d1
SR		 5626}
5627
f92363d1
SR		 5628/**
5629 * _scsih_sas_topology_change_event_debug - debug for topology event
5630 * @ioc: per adapter object
5631 * @event_data: event data payload
5632 * Context: user.
5633 */
5634static void
5635_scsih_sas_topology_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
5636 Mpi2EventDataSasTopologyChangeList_t *event_data)
5637{
5638 int i;
5639 u16 handle;
5640 u16 reason_code;
5641 u8 phy_number;
5642 char *status_str = NULL;
5643 u8 link_rate, prev_link_rate;
5644
5645 switch (event_data->ExpStatus) {
5646 case MPI2_EVENT_SAS_TOPO_ES_ADDED:
5647 status_str = "add";
5648 break;
5649 case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING:
5650 status_str = "remove";
5651 break;
5652 case MPI2_EVENT_SAS_TOPO_ES_RESPONDING:
5653 case 0:
5654 status_str = "responding";
5655 break;
5656 case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING:
5657 status_str = "remove delay";
5658 break;
5659 default:
5660 status_str = "unknown status";
5661 break;
5662 }
5663 pr_info(MPT3SAS_FMT "sas topology change: (%s)\n",
5664 ioc->name, status_str);
5665 pr_info("\thandle(0x%04x), enclosure_handle(0x%04x) " \
5666 "start_phy(%02d), count(%d)\n",
5667 le16_to_cpu(event_data->ExpanderDevHandle),
5668 le16_to_cpu(event_data->EnclosureHandle),
5669 event_data->StartPhyNum, event_data->NumEntries);
5670 for (i = 0; i < event_data->NumEntries; i++) {
5671 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
5672 if (!handle)
5673 continue;
5674 phy_number = event_data->StartPhyNum + i;
5675 reason_code = event_data->PHY[i].PhyStatus &
5676 MPI2_EVENT_SAS_TOPO_RC_MASK;
5677 switch (reason_code) {
5678 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
5679 status_str = "target add";
5680 break;
5681 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
5682 status_str = "target remove";
5683 break;
5684 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
5685 status_str = "delay target remove";
5686 break;
5687 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
5688 status_str = "link rate change";
5689 break;
5690 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
5691 status_str = "target responding";
5692 break;
5693 default:
5694 status_str = "unknown";
5695 break;
5696 }
5697 link_rate = event_data->PHY[i].LinkRate >> 4;
5698 prev_link_rate = event_data->PHY[i].LinkRate & 0xF;
5699 pr_info("\tphy(%02d), attached_handle(0x%04x): %s:" \
5700 " link rate: new(0x%02x), old(0x%02x)\n", phy_number,
5701 handle, status_str, link_rate, prev_link_rate);
5702
5703 }
5704}
f92363d1
SR		 5705
5706/**
5707 * _scsih_sas_topology_change_event - handle topology changes
5708 * @ioc: per adapter object
5709 * @fw_event: The fw_event_work object
5710 * Context: user.
5711 *
5712 */
5713static int
5714_scsih_sas_topology_change_event(struct MPT3SAS_ADAPTER *ioc,
5715 struct fw_event_work *fw_event)
5716{
5717 int i;
5718 u16 parent_handle, handle;
5719 u16 reason_code;
5720 u8 phy_number, max_phys;
5721 struct _sas_node *sas_expander;
5722 u64 sas_address;
5723 unsigned long flags;
5724 u8 link_rate, prev_link_rate;
35b62362
JL		 5725 Mpi2EventDataSasTopologyChangeList_t *event_data =
5726 (Mpi2EventDataSasTopologyChangeList_t *)
5727 fw_event->event_data;
f92363d1 5728
f92363d1
SR		 5729 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
5730 _scsih_sas_topology_change_event_debug(ioc, event_data);
f92363d1
SR		 5731
5732 if (ioc->shost_recovery || ioc->remove_host || ioc->pci_error_recovery)
5733 return 0;
5734
5735 if (!ioc->sas_hba.num_phys)
5736 _scsih_sas_host_add(ioc);
5737 else
5738 _scsih_sas_host_refresh(ioc);
5739
5740 if (fw_event->ignore) {
5741 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5742 "ignoring expander event\n", ioc->name));
5743 return 0;
5744 }
5745
5746 parent_handle = le16_to_cpu(event_data->ExpanderDevHandle);
5747
5748 /* handle expander add */
5749 if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_ADDED)
5750 if (_scsih_expander_add(ioc, parent_handle) != 0)
5751 return 0;
5752
5753 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5754 sas_expander = mpt3sas_scsih_expander_find_by_handle(ioc,
5755 parent_handle);
5756 if (sas_expander) {
5757 sas_address = sas_expander->sas_address;
5758 max_phys = sas_expander->num_phys;
5759 } else if (parent_handle < ioc->sas_hba.num_phys) {
5760 sas_address = ioc->sas_hba.sas_address;
5761 max_phys = ioc->sas_hba.num_phys;
5762 } else {
5763 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5764 return 0;
5765 }
5766 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5767
5768 /* handle siblings events */
5769 for (i = 0; i < event_data->NumEntries; i++) {
5770 if (fw_event->ignore) {
5771 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5772 "ignoring expander event\n", ioc->name));
5773 return 0;
5774 }
5775 if (ioc->remove_host || ioc->pci_error_recovery)
5776 return 0;
5777 phy_number = event_data->StartPhyNum + i;
5778 if (phy_number >= max_phys)
5779 continue;
5780 reason_code = event_data->PHY[i].PhyStatus &
5781 MPI2_EVENT_SAS_TOPO_RC_MASK;
5782 if ((event_data->PHY[i].PhyStatus &
5783 MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) && (reason_code !=
5784 MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING))
5785 continue;
5786 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
5787 if (!handle)
5788 continue;
5789 link_rate = event_data->PHY[i].LinkRate >> 4;
5790 prev_link_rate = event_data->PHY[i].LinkRate & 0xF;
5791 switch (reason_code) {
5792 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
5793
5794 if (ioc->shost_recovery)
5795 break;
5796
5797 if (link_rate == prev_link_rate)
5798 break;
5799
5800 mpt3sas_transport_update_links(ioc, sas_address,
5801 handle, phy_number, link_rate);
5802
5803 if (link_rate < MPI2_SAS_NEG_LINK_RATE_1_5)
5804 break;
5805
5806 _scsih_check_device(ioc, sas_address, handle,
5807 phy_number, link_rate);
5808
c696f7b8
SPS		 5809 if (!test_bit(handle, ioc->pend_os_device_add))
5810 break;
5811
f92363d1
SR		 5812
5813 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
5814
5815 if (ioc->shost_recovery)
5816 break;
5817
5818 mpt3sas_transport_update_links(ioc, sas_address,
5819 handle, phy_number, link_rate);
5820
5821 _scsih_add_device(ioc, handle, phy_number, 0);
5822
5823 break;
5824 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
5825
5826 _scsih_device_remove_by_handle(ioc, handle);
5827 break;
5828 }
5829 }
5830
5831 /* handle expander removal */
5832 if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING &&
5833 sas_expander)
5834 mpt3sas_expander_remove(ioc, sas_address);
5835
5836 return 0;
5837}
5838
f92363d1
SR		 5839/**
5840 * _scsih_sas_device_status_change_event_debug - debug for device event
5841 * @event_data: event data payload
5842 * Context: user.
5843 *
5844 * Return nothing.
5845 */
5846static void
5847_scsih_sas_device_status_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
5848 Mpi2EventDataSasDeviceStatusChange_t *event_data)
5849{
5850 char *reason_str = NULL;
5851
5852 switch (event_data->ReasonCode) {
5853 case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
5854 reason_str = "smart data";
5855 break;
5856 case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED:
5857 reason_str = "unsupported device discovered";
5858 break;
5859 case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
5860 reason_str = "internal device reset";
5861 break;
5862 case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL:
5863 reason_str = "internal task abort";
5864 break;
5865 case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL:
5866 reason_str = "internal task abort set";
5867 break;
5868 case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL:
5869 reason_str = "internal clear task set";
5870 break;
5871 case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL:
5872 reason_str = "internal query task";
5873 break;
5874 case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE:
5875 reason_str = "sata init failure";
5876 break;
5877 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET:
5878 reason_str = "internal device reset complete";
5879 break;
5880 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL:
5881 reason_str = "internal task abort complete";
5882 break;
5883 case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION:
5884 reason_str = "internal async notification";
5885 break;
5886 case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY:
5887 reason_str = "expander reduced functionality";
5888 break;
5889 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY:
5890 reason_str = "expander reduced functionality complete";
5891 break;
5892 default:
5893 reason_str = "unknown reason";
5894 break;
5895 }
5896 pr_info(MPT3SAS_FMT "device status change: (%s)\n"
5897 "\thandle(0x%04x), sas address(0x%016llx), tag(%d)",
5898 ioc->name, reason_str, le16_to_cpu(event_data->DevHandle),
5899 (unsigned long long)le64_to_cpu(event_data->SASAddress),
5900 le16_to_cpu(event_data->TaskTag));
5901 if (event_data->ReasonCode == MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA)
5902 pr_info(MPT3SAS_FMT ", ASC(0x%x), ASCQ(0x%x)\n", ioc->name,
5903 event_data->ASC, event_data->ASCQ);
5904 pr_info("\n");
5905}
f92363d1
SR		 5906
5907/**
5908 * _scsih_sas_device_status_change_event - handle device status change
5909 * @ioc: per adapter object
5910 * @fw_event: The fw_event_work object
5911 * Context: user.
5912 *
5913 * Return nothing.
5914 */
5915static void
5916_scsih_sas_device_status_change_event(struct MPT3SAS_ADAPTER *ioc,
5917 struct fw_event_work *fw_event)
5918{
5919 struct MPT3SAS_TARGET *target_priv_data;
5920 struct _sas_device *sas_device;
5921 u64 sas_address;
5922 unsigned long flags;
5923 Mpi2EventDataSasDeviceStatusChange_t *event_data =
35b62362
JL		 5924 (Mpi2EventDataSasDeviceStatusChange_t *)
5925 fw_event->event_data;
f92363d1 5926
f92363d1
SR		 5927 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
5928 _scsih_sas_device_status_change_event_debug(ioc,
5929 event_data);
f92363d1
SR		 5930
5931 /* In MPI Revision K (0xC), the internal device reset complete was
5932 * implemented, so avoid setting tm_busy flag for older firmware.
5933 */
5934 if ((ioc->facts.HeaderVersion >> 8) < 0xC)
5935 return;
5936
5937 if (event_data->ReasonCode !=
5938 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET &&
5939 event_data->ReasonCode !=
5940 MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET)
5941 return;
5942
5943 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5944 sas_address = le64_to_cpu(event_data->SASAddress);
d1cb5e49 5945 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
f92363d1
SR		 5946 sas_address);
5947
d1cb5e49
SR		 5948 if (!sas_device || !sas_device->starget)
5949 goto out;
f92363d1
SR		 5950
5951 target_priv_data = sas_device->starget->hostdata;
d1cb5e49
SR		 5952 if (!target_priv_data)
5953 goto out;
f92363d1
SR		 5954
5955 if (event_data->ReasonCode ==
5956 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET)
5957 target_priv_data->tm_busy = 1;
5958 else
5959 target_priv_data->tm_busy = 0;
d1cb5e49
SR		 5960
5961out:
5962 if (sas_device)
5963 sas_device_put(sas_device);
5964
f92363d1 5965 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
d1cb5e49 5966
f92363d1
SR		 5967}
5968
f92363d1
SR		 5969/**
5970 * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure
5971 * event
5972 * @ioc: per adapter object
5973 * @event_data: event data payload
5974 * Context: user.
5975 *
5976 * Return nothing.
5977 */
5978static void
5979_scsih_sas_enclosure_dev_status_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
5980 Mpi2EventDataSasEnclDevStatusChange_t *event_data)
5981{
5982 char *reason_str = NULL;
5983
5984 switch (event_data->ReasonCode) {
5985 case MPI2_EVENT_SAS_ENCL_RC_ADDED:
5986 reason_str = "enclosure add";
5987 break;
5988 case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING:
5989 reason_str = "enclosure remove";
5990 break;
5991 default:
5992 reason_str = "unknown reason";
5993 break;
5994 }
5995
5996 pr_info(MPT3SAS_FMT "enclosure status change: (%s)\n"
5997 "\thandle(0x%04x), enclosure logical id(0x%016llx)"
5998 " number slots(%d)\n", ioc->name, reason_str,
5999 le16_to_cpu(event_data->EnclosureHandle),
6000 (unsigned long long)le64_to_cpu(event_data->EnclosureLogicalID),
6001 le16_to_cpu(event_data->StartSlot));
6002}
f92363d1
SR		 6003
6004/**
6005 * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events
6006 * @ioc: per adapter object
6007 * @fw_event: The fw_event_work object
6008 * Context: user.
6009 *
6010 * Return nothing.
6011 */
6012static void
6013_scsih_sas_enclosure_dev_status_change_event(struct MPT3SAS_ADAPTER *ioc,
6014 struct fw_event_work *fw_event)
6015{
f92363d1
SR		 6016 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
6017 _scsih_sas_enclosure_dev_status_change_event_debug(ioc,
35b62362 6018 (Mpi2EventDataSasEnclDevStatusChange_t *)
f92363d1 6019 fw_event->event_data);
f92363d1
SR		 6020}
6021
6022/**
6023 * _scsih_sas_broadcast_primitive_event - handle broadcast events
6024 * @ioc: per adapter object
6025 * @fw_event: The fw_event_work object
6026 * Context: user.
6027 *
6028 * Return nothing.
6029 */
6030static void
6031_scsih_sas_broadcast_primitive_event(struct MPT3SAS_ADAPTER *ioc,
6032 struct fw_event_work *fw_event)
6033{
6034 struct scsi_cmnd *scmd;
6035 struct scsi_device *sdev;
6036 u16 smid, handle;
6037 u32 lun;
6038 struct MPT3SAS_DEVICE *sas_device_priv_data;
6039 u32 termination_count;
6040 u32 query_count;
6041 Mpi2SCSITaskManagementReply_t *mpi_reply;
35b62362
JL		 6042 Mpi2EventDataSasBroadcastPrimitive_t *event_data =
6043 (Mpi2EventDataSasBroadcastPrimitive_t *)
6044 fw_event->event_data;
f92363d1
SR		 6045 u16 ioc_status;
6046 unsigned long flags;
6047 int r;
6048 u8 max_retries = 0;
6049 u8 task_abort_retries;
6050
6051 mutex_lock(&ioc->tm_cmds.mutex);
6052 pr_info(MPT3SAS_FMT
6053 "%s: enter: phy number(%d), width(%d)\n",
6054 ioc->name, __func__, event_data->PhyNum,
6055 event_data->PortWidth);
6056
6057 _scsih_block_io_all_device(ioc);
6058
6059 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6060 mpi_reply = ioc->tm_cmds.reply;
6061 broadcast_aen_retry:
6062
6063 /* sanity checks for retrying this loop */
6064 if (max_retries++ == 5) {
6065 dewtprintk(ioc, pr_info(MPT3SAS_FMT "%s: giving up\n",
6066 ioc->name, __func__));
6067 goto out;
6068 } else if (max_retries > 1)
6069 dewtprintk(ioc, pr_info(MPT3SAS_FMT "%s: %d retry\n",
6070 ioc->name, __func__, max_retries - 1));
6071
6072 termination_count = 0;
6073 query_count = 0;
6074 for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
6075 if (ioc->shost_recovery)
6076 goto out;
6077 scmd = _scsih_scsi_lookup_get(ioc, smid);
6078 if (!scmd)
6079 continue;
6080 sdev = scmd->device;
6081 sas_device_priv_data = sdev->hostdata;
6082 if (!sas_device_priv_data || !sas_device_priv_data->sas_target)
6083 continue;
6084 /* skip hidden raid components */
6085 if (sas_device_priv_data->sas_target->flags &
6086 MPT_TARGET_FLAGS_RAID_COMPONENT)
6087 continue;
6088 /* skip volumes */
6089 if (sas_device_priv_data->sas_target->flags &
6090 MPT_TARGET_FLAGS_VOLUME)
6091 continue;
6092
6093 handle = sas_device_priv_data->sas_target->handle;
6094 lun = sas_device_priv_data->lun;
6095 query_count++;
6096
6097 if (ioc->shost_recovery)
6098 goto out;
6099
6100 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
6101 r = mpt3sas_scsih_issue_tm(ioc, handle, 0, 0, lun,
96902835 6102 MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30);
f92363d1
SR		 6103 if (r == FAILED) {
6104 sdev_printk(KERN_WARNING, sdev,
6105 "mpt3sas_scsih_issue_tm: FAILED when sending "
6106 "QUERY_TASK: scmd(%p)\n", scmd);
6107 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6108 goto broadcast_aen_retry;
6109 }
6110 ioc_status = le16_to_cpu(mpi_reply->IOCStatus)
6111 & MPI2_IOCSTATUS_MASK;
6112 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6113 sdev_printk(KERN_WARNING, sdev,
6114 "query task: FAILED with IOCSTATUS(0x%04x), scmd(%p)\n",
6115 ioc_status, scmd);
6116 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6117 goto broadcast_aen_retry;
6118 }
6119
6120 /* see if IO is still owned by IOC and target */
6121 if (mpi_reply->ResponseCode ==
6122 MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED ||
6123 mpi_reply->ResponseCode ==
6124 MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC) {
6125 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6126 continue;
6127 }
6128 task_abort_retries = 0;
6129 tm_retry:
6130 if (task_abort_retries++ == 60) {
6131 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6132 "%s: ABORT_TASK: giving up\n", ioc->name,
6133 __func__));
6134 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6135 goto broadcast_aen_retry;
6136 }
6137
6138 if (ioc->shost_recovery)
6139 goto out_no_lock;
6140
6141 r = mpt3sas_scsih_issue_tm(ioc, handle, sdev->channel, sdev->id,
96902835
CO		 6142 sdev->lun, MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid,
6143 30);
f92363d1
SR		 6144 if (r == FAILED) {
6145 sdev_printk(KERN_WARNING, sdev,
6146 "mpt3sas_scsih_issue_tm: ABORT_TASK: FAILED : "
6147 "scmd(%p)\n", scmd);
6148 goto tm_retry;
6149 }
6150
6151 if (task_abort_retries > 1)
6152 sdev_printk(KERN_WARNING, sdev,
6153 "mpt3sas_scsih_issue_tm: ABORT_TASK: RETRIES (%d):"
6154 " scmd(%p)\n",
6155 task_abort_retries - 1, scmd);
6156
6157 termination_count += le32_to_cpu(mpi_reply->TerminationCount);
6158 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6159 }
6160
6161 if (ioc->broadcast_aen_pending) {
6162 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6163 "%s: loop back due to pending AEN\n",
6164 ioc->name, __func__));
6165 ioc->broadcast_aen_pending = 0;
6166 goto broadcast_aen_retry;
6167 }
6168
6169 out:
6170 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
6171 out_no_lock:
6172
6173 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6174 "%s - exit, query_count = %d termination_count = %d\n",
6175 ioc->name, __func__, query_count, termination_count));
6176
6177 ioc->broadcast_aen_busy = 0;
6178 if (!ioc->shost_recovery)
6179 _scsih_ublock_io_all_device(ioc);
6180 mutex_unlock(&ioc->tm_cmds.mutex);
6181}
6182
6183/**
6184 * _scsih_sas_discovery_event - handle discovery events
6185 * @ioc: per adapter object
6186 * @fw_event: The fw_event_work object
6187 * Context: user.
6188 *
6189 * Return nothing.
6190 */
6191static void
6192_scsih_sas_discovery_event(struct MPT3SAS_ADAPTER *ioc,
6193 struct fw_event_work *fw_event)
6194{
35b62362
JL		 6195 Mpi2EventDataSasDiscovery_t *event_data =
6196 (Mpi2EventDataSasDiscovery_t *) fw_event->event_data;
f92363d1 6197
f92363d1
SR		 6198 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) {
6199 pr_info(MPT3SAS_FMT "discovery event: (%s)", ioc->name,
6200 (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ?
6201 "start" : "stop");
af009411
SR		 6202 if (event_data->DiscoveryStatus)
6203 pr_info("discovery_status(0x%08x)",
6204 le32_to_cpu(event_data->DiscoveryStatus));
6205 pr_info("\n");
f92363d1 6206 }
f92363d1
SR		 6207
6208 if (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED &&
6209 !ioc->sas_hba.num_phys) {
6210 if (disable_discovery > 0 && ioc->shost_recovery) {
6211 /* Wait for the reset to complete */
6212 while (ioc->shost_recovery)
6213 ssleep(1);
6214 }
6215 _scsih_sas_host_add(ioc);
6216 }
6217}
6218
6219/**
6220 * _scsih_ir_fastpath - turn on fastpath for IR physdisk
6221 * @ioc: per adapter object
6222 * @handle: device handle for physical disk
6223 * @phys_disk_num: physical disk number
6224 *
6225 * Return 0 for success, else failure.
6226 */
6227static int
6228_scsih_ir_fastpath(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phys_disk_num)
6229{
6230 Mpi2RaidActionRequest_t *mpi_request;
6231 Mpi2RaidActionReply_t *mpi_reply;
6232 u16 smid;
6233 u8 issue_reset = 0;
6234 int rc = 0;
6235 u16 ioc_status;
6236 u32 log_info;
6237
c84b06a4
SR		 6238 if (ioc->hba_mpi_version_belonged == MPI2_VERSION)
6239 return rc;
6240
f92363d1
SR		 6241 mutex_lock(&ioc->scsih_cmds.mutex);
6242
6243 if (ioc->scsih_cmds.status != MPT3_CMD_NOT_USED) {
6244 pr_err(MPT3SAS_FMT "%s: scsih_cmd in use\n",
6245 ioc->name, __func__);
6246 rc = -EAGAIN;
6247 goto out;
6248 }
6249 ioc->scsih_cmds.status = MPT3_CMD_PENDING;
6250
6251 smid = mpt3sas_base_get_smid(ioc, ioc->scsih_cb_idx);
6252 if (!smid) {
6253 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
6254 ioc->name, __func__);
6255 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
6256 rc = -EAGAIN;
6257 goto out;
6258 }
6259
6260 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
6261 ioc->scsih_cmds.smid = smid;
6262 memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t));
6263
6264 mpi_request->Function = MPI2_FUNCTION_RAID_ACTION;
6265 mpi_request->Action = MPI2_RAID_ACTION_PHYSDISK_HIDDEN;
6266 mpi_request->PhysDiskNum = phys_disk_num;
6267
6268 dewtprintk(ioc, pr_info(MPT3SAS_FMT "IR RAID_ACTION: turning fast "\
6269 "path on for handle(0x%04x), phys_disk_num (0x%02x)\n", ioc->name,
6270 handle, phys_disk_num));
6271
6272 init_completion(&ioc->scsih_cmds.done);
6273 mpt3sas_base_put_smid_default(ioc, smid);
6274 wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ);
6275
6276 if (!(ioc->scsih_cmds.status & MPT3_CMD_COMPLETE)) {
6277 pr_err(MPT3SAS_FMT "%s: timeout\n",
6278 ioc->name, __func__);
6279 if (!(ioc->scsih_cmds.status & MPT3_CMD_RESET))
6280 issue_reset = 1;
6281 rc = -EFAULT;
6282 goto out;
6283 }
6284
6285 if (ioc->scsih_cmds.status & MPT3_CMD_REPLY_VALID) {
6286
6287 mpi_reply = ioc->scsih_cmds.reply;
6288 ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
6289 if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
6290 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
6291 else
6292 log_info = 0;
6293 ioc_status &= MPI2_IOCSTATUS_MASK;
6294 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6295 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6296 "IR RAID_ACTION: failed: ioc_status(0x%04x), "
6297 "loginfo(0x%08x)!!!\n", ioc->name, ioc_status,
6298 log_info));
6299 rc = -EFAULT;
6300 } else
6301 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6302 "IR RAID_ACTION: completed successfully\n",
6303 ioc->name));
6304 }
6305
6306 out:
6307 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
6308 mutex_unlock(&ioc->scsih_cmds.mutex);
6309
6310 if (issue_reset)
98c56ad3 6311 mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
f92363d1
SR		 6312 return rc;
6313}
6314
6315/**
6316 * _scsih_reprobe_lun - reprobing lun
6317 * @sdev: scsi device struct
6318 * @no_uld_attach: sdev->no_uld_attach flag setting
6319 *
6320 **/
6321static void
6322_scsih_reprobe_lun(struct scsi_device *sdev, void *no_uld_attach)
6323{
f92363d1
SR		 6324 sdev->no_uld_attach = no_uld_attach ? 1 : 0;
6325 sdev_printk(KERN_INFO, sdev, "%s raid component\n",
6326 sdev->no_uld_attach ? "hidding" : "exposing");
8bbb1cf6 6327 WARN_ON(scsi_device_reprobe(sdev));
f92363d1
SR		 6328}
6329
6330/**
6331 * _scsih_sas_volume_add - add new volume
6332 * @ioc: per adapter object
6333 * @element: IR config element data
6334 * Context: user.
6335 *
6336 * Return nothing.
6337 */
6338static void
6339_scsih_sas_volume_add(struct MPT3SAS_ADAPTER *ioc,
6340 Mpi2EventIrConfigElement_t *element)
6341{
6342 struct _raid_device *raid_device;
6343 unsigned long flags;
6344 u64 wwid;
6345 u16 handle = le16_to_cpu(element->VolDevHandle);
6346 int rc;
6347
6348 mpt3sas_config_get_volume_wwid(ioc, handle, &wwid);
6349 if (!wwid) {
6350 pr_err(MPT3SAS_FMT
6351 "failure at %s:%d/%s()!\n", ioc->name,
6352 __FILE__, __LINE__, __func__);
6353 return;
6354 }
6355
6356 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6357 raid_device = _scsih_raid_device_find_by_wwid(ioc, wwid);
6358 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6359
6360 if (raid_device)
6361 return;
6362
6363 raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
6364 if (!raid_device) {
6365 pr_err(MPT3SAS_FMT
6366 "failure at %s:%d/%s()!\n", ioc->name,
6367 __FILE__, __LINE__, __func__);
6368 return;
6369 }
6370
6371 raid_device->id = ioc->sas_id++;
6372 raid_device->channel = RAID_CHANNEL;
6373 raid_device->handle = handle;
6374 raid_device->wwid = wwid;
6375 _scsih_raid_device_add(ioc, raid_device);
6376 if (!ioc->wait_for_discovery_to_complete) {
6377 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
6378 raid_device->id, 0);
6379 if (rc)
6380 _scsih_raid_device_remove(ioc, raid_device);
6381 } else {
6382 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6383 _scsih_determine_boot_device(ioc, raid_device, 1);
6384 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6385 }
6386}
6387
6388/**
6389 * _scsih_sas_volume_delete - delete volume
6390 * @ioc: per adapter object
6391 * @handle: volume device handle
6392 * Context: user.
6393 *
6394 * Return nothing.
6395 */
6396static void
6397_scsih_sas_volume_delete(struct MPT3SAS_ADAPTER *ioc, u16 handle)
6398{
6399 struct _raid_device *raid_device;
6400 unsigned long flags;
6401 struct MPT3SAS_TARGET *sas_target_priv_data;
6402 struct scsi_target *starget = NULL;
6403
6404 spin_lock_irqsave(&ioc->raid_device_lock, flags);
c84b06a4 6405 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
f92363d1
SR		 6406 if (raid_device) {
6407 if (raid_device->starget) {
6408 starget = raid_device->starget;
6409 sas_target_priv_data = starget->hostdata;
6410 sas_target_priv_data->deleted = 1;
6411 }
6412 pr_info(MPT3SAS_FMT "removing handle(0x%04x), wwid(0x%016llx)\n",
6413 ioc->name, raid_device->handle,
6414 (unsigned long long) raid_device->wwid);
6415 list_del(&raid_device->list);
6416 kfree(raid_device);
6417 }
6418 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6419 if (starget)
6420 scsi_remove_target(&starget->dev);
6421}
6422
6423/**
6424 * _scsih_sas_pd_expose - expose pd component to /dev/sdX
6425 * @ioc: per adapter object
6426 * @element: IR config element data
6427 * Context: user.
6428 *
6429 * Return nothing.
6430 */
6431static void
6432_scsih_sas_pd_expose(struct MPT3SAS_ADAPTER *ioc,
6433 Mpi2EventIrConfigElement_t *element)
6434{
6435 struct _sas_device *sas_device;
6436 struct scsi_target *starget = NULL;
6437 struct MPT3SAS_TARGET *sas_target_priv_data;
6438 unsigned long flags;
6439 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6440
6441 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 6442 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
f92363d1
SR		 6443 if (sas_device) {
6444 sas_device->volume_handle = 0;
6445 sas_device->volume_wwid = 0;
6446 clear_bit(handle, ioc->pd_handles);
6447 if (sas_device->starget && sas_device->starget->hostdata) {
6448 starget = sas_device->starget;
6449 sas_target_priv_data = starget->hostdata;
6450 sas_target_priv_data->flags &=
6451 ~MPT_TARGET_FLAGS_RAID_COMPONENT;
6452 }
6453 }
6454 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
6455 if (!sas_device)
6456 return;
6457
6458 /* exposing raid component */
6459 if (starget)
6460 starget_for_each_device(starget, NULL, _scsih_reprobe_lun);
d1cb5e49
SR		 6461
6462 sas_device_put(sas_device);
f92363d1
SR		 6463}
6464
6465/**
6466 * _scsih_sas_pd_hide - hide pd component from /dev/sdX
6467 * @ioc: per adapter object
6468 * @element: IR config element data
6469 * Context: user.
6470 *
6471 * Return nothing.
6472 */
6473static void
6474_scsih_sas_pd_hide(struct MPT3SAS_ADAPTER *ioc,
6475 Mpi2EventIrConfigElement_t *element)
6476{
6477 struct _sas_device *sas_device;
6478 struct scsi_target *starget = NULL;
6479 struct MPT3SAS_TARGET *sas_target_priv_data;
6480 unsigned long flags;
6481 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6482 u16 volume_handle = 0;
6483 u64 volume_wwid = 0;
6484
6485 mpt3sas_config_get_volume_handle(ioc, handle, &volume_handle);
6486 if (volume_handle)
6487 mpt3sas_config_get_volume_wwid(ioc, volume_handle,
6488 &volume_wwid);
6489
6490 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 6491 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
f92363d1
SR		 6492 if (sas_device) {
6493 set_bit(handle, ioc->pd_handles);
6494 if (sas_device->starget && sas_device->starget->hostdata) {
6495 starget = sas_device->starget;
6496 sas_target_priv_data = starget->hostdata;
6497 sas_target_priv_data->flags |=
6498 MPT_TARGET_FLAGS_RAID_COMPONENT;
6499 sas_device->volume_handle = volume_handle;
6500 sas_device->volume_wwid = volume_wwid;
6501 }
6502 }
6503 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
6504 if (!sas_device)
6505 return;
6506
6507 /* hiding raid component */
6508 _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum);
c84b06a4 6509
f92363d1
SR		 6510 if (starget)
6511 starget_for_each_device(starget, (void *)1, _scsih_reprobe_lun);
d1cb5e49
SR		 6512
6513 sas_device_put(sas_device);
f92363d1
SR		 6514}
6515
6516/**
6517 * _scsih_sas_pd_delete - delete pd component
6518 * @ioc: per adapter object
6519 * @element: IR config element data
6520 * Context: user.
6521 *
6522 * Return nothing.
6523 */
6524static void
6525_scsih_sas_pd_delete(struct MPT3SAS_ADAPTER *ioc,
6526 Mpi2EventIrConfigElement_t *element)
6527{
6528 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6529
6530 _scsih_device_remove_by_handle(ioc, handle);
6531}
6532
6533/**
6534 * _scsih_sas_pd_add - remove pd component
6535 * @ioc: per adapter object
6536 * @element: IR config element data
6537 * Context: user.
6538 *
6539 * Return nothing.
6540 */
6541static void
6542_scsih_sas_pd_add(struct MPT3SAS_ADAPTER *ioc,
6543 Mpi2EventIrConfigElement_t *element)
6544{
6545 struct _sas_device *sas_device;
f92363d1
SR		 6546 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6547 Mpi2ConfigReply_t mpi_reply;
6548 Mpi2SasDevicePage0_t sas_device_pg0;
6549 u32 ioc_status;
6550 u64 sas_address;
6551 u16 parent_handle;
6552
6553 set_bit(handle, ioc->pd_handles);
6554
d1cb5e49 6555 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
f92363d1
SR		 6556 if (sas_device) {
6557 _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum);
d1cb5e49 6558 sas_device_put(sas_device);
f92363d1
SR		 6559 return;
6560 }
6561
6562 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
6563 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
6564 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
6565 ioc->name, __FILE__, __LINE__, __func__);
6566 return;
6567 }
6568
6569 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
6570 MPI2_IOCSTATUS_MASK;
6571 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6572 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
6573 ioc->name, __FILE__, __LINE__, __func__);
6574 return;
6575 }
6576
6577 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
6578 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
6579 mpt3sas_transport_update_links(ioc, sas_address, handle,
6580 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
6581
6582 _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum);
6583 _scsih_add_device(ioc, handle, 0, 1);
6584}
6585
f92363d1
SR		 6586/**
6587 * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events
6588 * @ioc: per adapter object
6589 * @event_data: event data payload
6590 * Context: user.
6591 *
6592 * Return nothing.
6593 */
6594static void
6595_scsih_sas_ir_config_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
6596 Mpi2EventDataIrConfigChangeList_t *event_data)
6597{
6598 Mpi2EventIrConfigElement_t *element;
6599 u8 element_type;
6600 int i;
6601 char *reason_str = NULL, *element_str = NULL;
6602
6603 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
6604
6605 pr_info(MPT3SAS_FMT "raid config change: (%s), elements(%d)\n",
6606 ioc->name, (le32_to_cpu(event_data->Flags) &
6607 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ?
6608 "foreign" : "native", event_data->NumElements);
6609 for (i = 0; i < event_data->NumElements; i++, element++) {
6610 switch (element->ReasonCode) {
6611 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
6612 reason_str = "add";
6613 break;
6614 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
6615 reason_str = "remove";
6616 break;
6617 case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE:
6618 reason_str = "no change";
6619 break;
6620 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
6621 reason_str = "hide";
6622 break;
6623 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
6624 reason_str = "unhide";
6625 break;
6626 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
6627 reason_str = "volume_created";
6628 break;
6629 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
6630 reason_str = "volume_deleted";
6631 break;
6632 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
6633 reason_str = "pd_created";
6634 break;
6635 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
6636 reason_str = "pd_deleted";
6637 break;
6638 default:
6639 reason_str = "unknown reason";
6640 break;
6641 }
6642 element_type = le16_to_cpu(element->ElementFlags) &
6643 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK;
6644 switch (element_type) {
6645 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT:
6646 element_str = "volume";
6647 break;
6648 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT:
6649 element_str = "phys disk";
6650 break;
6651 case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT:
6652 element_str = "hot spare";
6653 break;
6654 default:
6655 element_str = "unknown element";
6656 break;
6657 }
6658 pr_info("\t(%s:%s), vol handle(0x%04x), " \
6659 "pd handle(0x%04x), pd num(0x%02x)\n", element_str,
6660 reason_str, le16_to_cpu(element->VolDevHandle),
6661 le16_to_cpu(element->PhysDiskDevHandle),
6662 element->PhysDiskNum);
6663 }
6664}
f92363d1
SR		 6665
6666/**
6667 * _scsih_sas_ir_config_change_event - handle ir configuration change events
6668 * @ioc: per adapter object
6669 * @fw_event: The fw_event_work object
6670 * Context: user.
6671 *
6672 * Return nothing.
6673 */
6674static void
6675_scsih_sas_ir_config_change_event(struct MPT3SAS_ADAPTER *ioc,
6676 struct fw_event_work *fw_event)
6677{
6678 Mpi2EventIrConfigElement_t *element;
6679 int i;
6680 u8 foreign_config;
35b62362
JL		 6681 Mpi2EventDataIrConfigChangeList_t *event_data =
6682 (Mpi2EventDataIrConfigChangeList_t *)
6683 fw_event->event_data;
f92363d1 6684
7786ab6a
SR		 6685 if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) &&
6686 (!ioc->hide_ir_msg))
f92363d1
SR		 6687 _scsih_sas_ir_config_change_event_debug(ioc, event_data);
6688
f92363d1
SR		 6689 foreign_config = (le32_to_cpu(event_data->Flags) &
6690 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
6691
6692 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
c84b06a4
SR		 6693 if (ioc->shost_recovery &&
6694 ioc->hba_mpi_version_belonged != MPI2_VERSION) {
f92363d1
SR		 6695 for (i = 0; i < event_data->NumElements; i++, element++) {
6696 if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_HIDE)
6697 _scsih_ir_fastpath(ioc,
6698 le16_to_cpu(element->PhysDiskDevHandle),
6699 element->PhysDiskNum);
6700 }
6701 return;
6702 }
7786ab6a 6703
f92363d1
SR		 6704 for (i = 0; i < event_data->NumElements; i++, element++) {
6705
6706 switch (element->ReasonCode) {
6707 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
6708 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
6709 if (!foreign_config)
6710 _scsih_sas_volume_add(ioc, element);
6711 break;
6712 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
6713 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
6714 if (!foreign_config)
6715 _scsih_sas_volume_delete(ioc,
6716 le16_to_cpu(element->VolDevHandle));
6717 break;
6718 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
7786ab6a
SR		 6719 if (!ioc->is_warpdrive)
6720 _scsih_sas_pd_hide(ioc, element);
f92363d1
SR		 6721 break;
6722 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
7786ab6a
SR		 6723 if (!ioc->is_warpdrive)
6724 _scsih_sas_pd_expose(ioc, element);
f92363d1
SR		 6725 break;
6726 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
7786ab6a
SR		 6727 if (!ioc->is_warpdrive)
6728 _scsih_sas_pd_add(ioc, element);
f92363d1
SR		 6729 break;
6730 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
7786ab6a
SR		 6731 if (!ioc->is_warpdrive)
6732 _scsih_sas_pd_delete(ioc, element);
f92363d1
SR		 6733 break;
6734 }
6735 }
6736}
6737
6738/**
6739 * _scsih_sas_ir_volume_event - IR volume event
6740 * @ioc: per adapter object
6741 * @fw_event: The fw_event_work object
6742 * Context: user.
6743 *
6744 * Return nothing.
6745 */
6746static void
6747_scsih_sas_ir_volume_event(struct MPT3SAS_ADAPTER *ioc,
6748 struct fw_event_work *fw_event)
6749{
6750 u64 wwid;
6751 unsigned long flags;
6752 struct _raid_device *raid_device;
6753 u16 handle;
6754 u32 state;
6755 int rc;
35b62362
JL		 6756 Mpi2EventDataIrVolume_t *event_data =
6757 (Mpi2EventDataIrVolume_t *) fw_event->event_data;
f92363d1
SR		 6758
6759 if (ioc->shost_recovery)
6760 return;
6761
6762 if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
6763 return;
6764
6765 handle = le16_to_cpu(event_data->VolDevHandle);
6766 state = le32_to_cpu(event_data->NewValue);
7786ab6a
SR		 6767 if (!ioc->hide_ir_msg)
6768 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6769 "%s: handle(0x%04x), old(0x%08x), new(0x%08x)\n",
6770 ioc->name, __func__, handle,
6771 le32_to_cpu(event_data->PreviousValue), state));
f92363d1
SR		 6772 switch (state) {
6773 case MPI2_RAID_VOL_STATE_MISSING:
6774 case MPI2_RAID_VOL_STATE_FAILED:
6775 _scsih_sas_volume_delete(ioc, handle);
6776 break;
6777
6778 case MPI2_RAID_VOL_STATE_ONLINE:
6779 case MPI2_RAID_VOL_STATE_DEGRADED:
6780 case MPI2_RAID_VOL_STATE_OPTIMAL:
6781
6782 spin_lock_irqsave(&ioc->raid_device_lock, flags);
c84b06a4 6783 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
f92363d1
SR		 6784 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6785
6786 if (raid_device)
6787 break;
6788
6789 mpt3sas_config_get_volume_wwid(ioc, handle, &wwid);
6790 if (!wwid) {
6791 pr_err(MPT3SAS_FMT
6792 "failure at %s:%d/%s()!\n", ioc->name,
6793 __FILE__, __LINE__, __func__);
6794 break;
6795 }
6796
6797 raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
6798 if (!raid_device) {
6799 pr_err(MPT3SAS_FMT
6800 "failure at %s:%d/%s()!\n", ioc->name,
6801 __FILE__, __LINE__, __func__);
6802 break;
6803 }
6804
6805 raid_device->id = ioc->sas_id++;
6806 raid_device->channel = RAID_CHANNEL;
6807 raid_device->handle = handle;
6808 raid_device->wwid = wwid;
6809 _scsih_raid_device_add(ioc, raid_device);
6810 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
6811 raid_device->id, 0);
6812 if (rc)
6813 _scsih_raid_device_remove(ioc, raid_device);
6814 break;
6815
6816 case MPI2_RAID_VOL_STATE_INITIALIZING:
6817 default:
6818 break;
6819 }
6820}
6821
6822/**
6823 * _scsih_sas_ir_physical_disk_event - PD event
6824 * @ioc: per adapter object
6825 * @fw_event: The fw_event_work object
6826 * Context: user.
6827 *
6828 * Return nothing.
6829 */
6830static void
6831_scsih_sas_ir_physical_disk_event(struct MPT3SAS_ADAPTER *ioc,
6832 struct fw_event_work *fw_event)
6833{
6834 u16 handle, parent_handle;
6835 u32 state;
6836 struct _sas_device *sas_device;
f92363d1
SR		 6837 Mpi2ConfigReply_t mpi_reply;
6838 Mpi2SasDevicePage0_t sas_device_pg0;
6839 u32 ioc_status;
35b62362
JL		 6840 Mpi2EventDataIrPhysicalDisk_t *event_data =
6841 (Mpi2EventDataIrPhysicalDisk_t *) fw_event->event_data;
f92363d1
SR		 6842 u64 sas_address;
6843
6844 if (ioc->shost_recovery)
6845 return;
6846
6847 if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED)
6848 return;
6849
6850 handle = le16_to_cpu(event_data->PhysDiskDevHandle);
6851 state = le32_to_cpu(event_data->NewValue);
6852
7786ab6a
SR		 6853 if (!ioc->hide_ir_msg)
6854 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6855 "%s: handle(0x%04x), old(0x%08x), new(0x%08x)\n",
6856 ioc->name, __func__, handle,
f92363d1 6857 le32_to_cpu(event_data->PreviousValue), state));
7786ab6a 6858
f92363d1
SR		 6859 switch (state) {
6860 case MPI2_RAID_PD_STATE_ONLINE:
6861 case MPI2_RAID_PD_STATE_DEGRADED:
6862 case MPI2_RAID_PD_STATE_REBUILDING:
6863 case MPI2_RAID_PD_STATE_OPTIMAL:
6864 case MPI2_RAID_PD_STATE_HOT_SPARE:
6865
7786ab6a
SR		 6866 if (!ioc->is_warpdrive)
6867 set_bit(handle, ioc->pd_handles);
f92363d1 6868
d1cb5e49
SR		 6869 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
6870 if (sas_device) {
6871 sas_device_put(sas_device);
f92363d1 6872 return;
d1cb5e49 6873 }
f92363d1
SR		 6874
6875 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
6876 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
6877 handle))) {
6878 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
6879 ioc->name, __FILE__, __LINE__, __func__);
6880 return;
6881 }
6882
6883 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
6884 MPI2_IOCSTATUS_MASK;
6885 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6886 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
6887 ioc->name, __FILE__, __LINE__, __func__);
6888 return;
6889 }
6890
6891 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
6892 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
6893 mpt3sas_transport_update_links(ioc, sas_address, handle,
6894 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
6895
6896 _scsih_add_device(ioc, handle, 0, 1);
6897
6898 break;
6899
6900 case MPI2_RAID_PD_STATE_OFFLINE:
6901 case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
6902 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
6903 default:
6904 break;
6905 }
6906}
6907
f92363d1
SR		 6908/**
6909 * _scsih_sas_ir_operation_status_event_debug - debug for IR op event
6910 * @ioc: per adapter object
6911 * @event_data: event data payload
6912 * Context: user.
6913 *
6914 * Return nothing.
6915 */
6916static void
6917_scsih_sas_ir_operation_status_event_debug(struct MPT3SAS_ADAPTER *ioc,
6918 Mpi2EventDataIrOperationStatus_t *event_data)
6919{
6920 char *reason_str = NULL;
6921
6922 switch (event_data->RAIDOperation) {
6923 case MPI2_EVENT_IR_RAIDOP_RESYNC:
6924 reason_str = "resync";
6925 break;
6926 case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION:
6927 reason_str = "online capacity expansion";
6928 break;
6929 case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK:
6930 reason_str = "consistency check";
6931 break;
6932 case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT:
6933 reason_str = "background init";
6934 break;
6935 case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT:
6936 reason_str = "make data consistent";
6937 break;
6938 }
6939
6940 if (!reason_str)
6941 return;
6942
6943 pr_info(MPT3SAS_FMT "raid operational status: (%s)" \
6944 "\thandle(0x%04x), percent complete(%d)\n",
6945 ioc->name, reason_str,
6946 le16_to_cpu(event_data->VolDevHandle),
6947 event_data->PercentComplete);
6948}
f92363d1
SR		 6949
6950/**
6951 * _scsih_sas_ir_operation_status_event - handle RAID operation events
6952 * @ioc: per adapter object
6953 * @fw_event: The fw_event_work object
6954 * Context: user.
6955 *
6956 * Return nothing.
6957 */
6958static void
6959_scsih_sas_ir_operation_status_event(struct MPT3SAS_ADAPTER *ioc,
6960 struct fw_event_work *fw_event)
6961{
35b62362
JL		 6962 Mpi2EventDataIrOperationStatus_t *event_data =
6963 (Mpi2EventDataIrOperationStatus_t *)
6964 fw_event->event_data;
f92363d1
SR		 6965 static struct _raid_device *raid_device;
6966 unsigned long flags;
6967 u16 handle;
6968
7786ab6a
SR		 6969 if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) &&
6970 (!ioc->hide_ir_msg))
f92363d1
SR		 6971 _scsih_sas_ir_operation_status_event_debug(ioc,
6972 event_data);
f92363d1
SR		 6973
6974 /* code added for raid transport support */
6975 if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) {
6976
6977 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6978 handle = le16_to_cpu(event_data->VolDevHandle);
c84b06a4 6979 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
f92363d1
SR		 6980 if (raid_device)
6981 raid_device->percent_complete =
6982 event_data->PercentComplete;
6983 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6984 }
6985}
6986
6987/**
6988 * _scsih_prep_device_scan - initialize parameters prior to device scan
6989 * @ioc: per adapter object
6990 *
6991 * Set the deleted flag prior to device scan. If the device is found during
6992 * the scan, then we clear the deleted flag.
6993 */
6994static void
6995_scsih_prep_device_scan(struct MPT3SAS_ADAPTER *ioc)
6996{
6997 struct MPT3SAS_DEVICE *sas_device_priv_data;
6998 struct scsi_device *sdev;
6999
7000 shost_for_each_device(sdev, ioc->shost) {
7001 sas_device_priv_data = sdev->hostdata;
7002 if (sas_device_priv_data && sas_device_priv_data->sas_target)
7003 sas_device_priv_data->sas_target->deleted = 1;
7004 }
7005}
7006
7007/**
7008 * _scsih_mark_responding_sas_device - mark a sas_devices as responding
7009 * @ioc: per adapter object
e6d45e3e 7010 * @sas_device_pg0: SAS Device page 0
f92363d1
SR		 7011 *
7012 * After host reset, find out whether devices are still responding.
7013 * Used in _scsih_remove_unresponsive_sas_devices.
7014 *
7015 * Return nothing.
7016 */
7017static void
e6d45e3e
SR		 7018_scsih_mark_responding_sas_device(struct MPT3SAS_ADAPTER *ioc,
7019Mpi2SasDevicePage0_t *sas_device_pg0)
f92363d1
SR		 7020{
7021 struct MPT3SAS_TARGET *sas_target_priv_data = NULL;
7022 struct scsi_target *starget;
7023 struct _sas_device *sas_device;
7024 unsigned long flags;
7025
7026 spin_lock_irqsave(&ioc->sas_device_lock, flags);
7027 list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
e6d45e3e
SR		 7028 if ((sas_device->sas_address == sas_device_pg0->SASAddress) &&
7029 (sas_device->slot == sas_device_pg0->Slot)) {
f92363d1
SR		 7030 sas_device->responding = 1;
7031 starget = sas_device->starget;
7032 if (starget && starget->hostdata) {
7033 sas_target_priv_data = starget->hostdata;
7034 sas_target_priv_data->tm_busy = 0;
7035 sas_target_priv_data->deleted = 0;
7036 } else
7037 sas_target_priv_data = NULL;
e6d45e3e 7038 if (starget) {
f92363d1 7039 starget_printk(KERN_INFO, starget,
e6d45e3e
SR		 7040 "handle(0x%04x), sas_addr(0x%016llx)\n",
7041 sas_device_pg0->DevHandle,
f92363d1 7042 (unsigned long long)
e6d45e3e
SR		 7043 sas_device->sas_address);
7044
7045 if (sas_device->enclosure_handle != 0)
7046 starget_printk(KERN_INFO, starget,
7047 "enclosure logical id(0x%016llx),"
7048 " slot(%d)\n",
7049 (unsigned long long)
7050 sas_device->enclosure_logical_id,
7051 sas_device->slot);
7052 }
7053 if (sas_device_pg0->Flags &
7054 MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
7055 sas_device->enclosure_level =
7056 le16_to_cpu(sas_device_pg0->EnclosureLevel);
7057 memcpy(&sas_device->connector_name[0],
7058 &sas_device_pg0->ConnectorName[0], 4);
7059 } else {
7060 sas_device->enclosure_level = 0;
7061 sas_device->connector_name[0] = '\0';
7062 }
7063
7064 if (sas_device->handle == sas_device_pg0->DevHandle)
f92363d1
SR		 7065 goto out;
7066 pr_info("\thandle changed from(0x%04x)!!!\n",
7067 sas_device->handle);
e6d45e3e 7068 sas_device->handle = sas_device_pg0->DevHandle;
f92363d1 7069 if (sas_target_priv_data)
e6d45e3e
SR		 7070 sas_target_priv_data->handle =
7071 sas_device_pg0->DevHandle;
f92363d1
SR		 7072 goto out;
7073 }
7074 }
7075 out:
7076 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
7077}
7078
7079/**
7080 * _scsih_search_responding_sas_devices -
7081 * @ioc: per adapter object
7082 *
7083 * After host reset, find out whether devices are still responding.
7084 * If not remove.
7085 *
7086 * Return nothing.
7087 */
7088static void
7089_scsih_search_responding_sas_devices(struct MPT3SAS_ADAPTER *ioc)
7090{
7091 Mpi2SasDevicePage0_t sas_device_pg0;
7092 Mpi2ConfigReply_t mpi_reply;
7093 u16 ioc_status;
7094 u16 handle;
7095 u32 device_info;
7096
7097 pr_info(MPT3SAS_FMT "search for end-devices: start\n", ioc->name);
7098
7099 if (list_empty(&ioc->sas_device_list))
7100 goto out;
7101
7102 handle = 0xFFFF;
7103 while (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
7104 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
7105 handle))) {
7106 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7107 MPI2_IOCSTATUS_MASK;
14be49ac 7108 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
f92363d1 7109 break;
e6d45e3e
SR		 7110 handle = sas_device_pg0.DevHandle =
7111 le16_to_cpu(sas_device_pg0.DevHandle);
f92363d1
SR		 7112 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
7113 if (!(_scsih_is_end_device(device_info)))
7114 continue;
e6d45e3e
SR		 7115 sas_device_pg0.SASAddress =
7116 le64_to_cpu(sas_device_pg0.SASAddress);
7117 sas_device_pg0.Slot = le16_to_cpu(sas_device_pg0.Slot);
7118 _scsih_mark_responding_sas_device(ioc, &sas_device_pg0);
f92363d1
SR		 7119 }
7120
7121 out:
7122 pr_info(MPT3SAS_FMT "search for end-devices: complete\n",
7123 ioc->name);
7124}
7125
7126/**
7127 * _scsih_mark_responding_raid_device - mark a raid_device as responding
7128 * @ioc: per adapter object
7129 * @wwid: world wide identifier for raid volume
7130 * @handle: device handle
7131 *
7132 * After host reset, find out whether devices are still responding.
7133 * Used in _scsih_remove_unresponsive_raid_devices.
7134 *
7135 * Return nothing.
7136 */
7137static void
7138_scsih_mark_responding_raid_device(struct MPT3SAS_ADAPTER *ioc, u64 wwid,
7139 u16 handle)
7140{
7786ab6a 7141 struct MPT3SAS_TARGET *sas_target_priv_data = NULL;
f92363d1
SR		 7142 struct scsi_target *starget;
7143 struct _raid_device *raid_device;
7144 unsigned long flags;
7145
7146 spin_lock_irqsave(&ioc->raid_device_lock, flags);
7147 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
7148 if (raid_device->wwid == wwid && raid_device->starget) {
7149 starget = raid_device->starget;
7150 if (starget && starget->hostdata) {
7151 sas_target_priv_data = starget->hostdata;
7152 sas_target_priv_data->deleted = 0;
7153 } else
7154 sas_target_priv_data = NULL;
7155 raid_device->responding = 1;
7156 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7157 starget_printk(KERN_INFO, raid_device->starget,
7158 "handle(0x%04x), wwid(0x%016llx)\n", handle,
7159 (unsigned long long)raid_device->wwid);
7786ab6a 7160
7786ab6a
SR		 7161 /*
7162 * WARPDRIVE: The handles of the PDs might have changed
7163 * across the host reset so re-initialize the
7164 * required data for Direct IO
7165 */
c84b06a4 7166 mpt3sas_init_warpdrive_properties(ioc, raid_device);
f92363d1
SR		 7167 spin_lock_irqsave(&ioc->raid_device_lock, flags);
7168 if (raid_device->handle == handle) {
7169 spin_unlock_irqrestore(&ioc->raid_device_lock,
7170 flags);
7171 return;
7172 }
7173 pr_info("\thandle changed from(0x%04x)!!!\n",
7174 raid_device->handle);
7175 raid_device->handle = handle;
7176 if (sas_target_priv_data)
7177 sas_target_priv_data->handle = handle;
7178 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7179 return;
7180 }
7181 }
7182 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7183}
7184
7185/**
7186 * _scsih_search_responding_raid_devices -
7187 * @ioc: per adapter object
7188 *
7189 * After host reset, find out whether devices are still responding.
7190 * If not remove.
7191 *
7192 * Return nothing.
7193 */
7194static void
7195_scsih_search_responding_raid_devices(struct MPT3SAS_ADAPTER *ioc)
7196{
7197 Mpi2RaidVolPage1_t volume_pg1;
7198 Mpi2RaidVolPage0_t volume_pg0;
7199 Mpi2RaidPhysDiskPage0_t pd_pg0;
7200 Mpi2ConfigReply_t mpi_reply;
7201 u16 ioc_status;
7202 u16 handle;
7203 u8 phys_disk_num;
7204
7205 if (!ioc->ir_firmware)
7206 return;
7207
7208 pr_info(MPT3SAS_FMT "search for raid volumes: start\n",
7209 ioc->name);
7210
7211 if (list_empty(&ioc->raid_device_list))
7212 goto out;
7213
7214 handle = 0xFFFF;
7215 while (!(mpt3sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
7216 &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
7217 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7218 MPI2_IOCSTATUS_MASK;
14be49ac 7219 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
f92363d1
SR		 7220 break;
7221 handle = le16_to_cpu(volume_pg1.DevHandle);
7222
7223 if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply,
7224 &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
7225 sizeof(Mpi2RaidVolPage0_t)))
7226 continue;
7227
7228 if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL ||
7229 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE ||
7230 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED)
7231 _scsih_mark_responding_raid_device(ioc,
7232 le64_to_cpu(volume_pg1.WWID), handle);
7233 }
7234
7235 /* refresh the pd_handles */
7786ab6a 7236 if (!ioc->is_warpdrive) {
f92363d1
SR		 7237 phys_disk_num = 0xFF;
7238 memset(ioc->pd_handles, 0, ioc->pd_handles_sz);
7239 while (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
7240 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM,
7241 phys_disk_num))) {
7242 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7243 MPI2_IOCSTATUS_MASK;
14be49ac 7244 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
f92363d1
SR		 7245 break;
7246 phys_disk_num = pd_pg0.PhysDiskNum;
7247 handle = le16_to_cpu(pd_pg0.DevHandle);
7248 set_bit(handle, ioc->pd_handles);
7249 }
7786ab6a 7250 }
f92363d1
SR		 7251 out:
7252 pr_info(MPT3SAS_FMT "search for responding raid volumes: complete\n",
7253 ioc->name);
7254}
7255
7256/**
7257 * _scsih_mark_responding_expander - mark a expander as responding
7258 * @ioc: per adapter object
7259 * @sas_address: sas address
7260 * @handle:
7261 *
7262 * After host reset, find out whether devices are still responding.
7263 * Used in _scsih_remove_unresponsive_expanders.
7264 *
7265 * Return nothing.
7266 */
7267static void
7268_scsih_mark_responding_expander(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
7269 u16 handle)
7270{
7271 struct _sas_node *sas_expander;
7272 unsigned long flags;
7273 int i;
7274
7275 spin_lock_irqsave(&ioc->sas_node_lock, flags);
7276 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
7277 if (sas_expander->sas_address != sas_address)
7278 continue;
7279 sas_expander->responding = 1;
7280 if (sas_expander->handle == handle)
7281 goto out;
7282 pr_info("\texpander(0x%016llx): handle changed" \
7283 " from(0x%04x) to (0x%04x)!!!\n",
7284 (unsigned long long)sas_expander->sas_address,
7285 sas_expander->handle, handle);
7286 sas_expander->handle = handle;
7287 for (i = 0 ; i < sas_expander->num_phys ; i++)
7288 sas_expander->phy[i].handle = handle;
7289 goto out;
7290 }
7291 out:
7292 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
7293}
7294
7295/**
7296 * _scsih_search_responding_expanders -
7297 * @ioc: per adapter object
7298 *
7299 * After host reset, find out whether devices are still responding.
7300 * If not remove.
7301 *
7302 * Return nothing.
7303 */
7304static void
7305_scsih_search_responding_expanders(struct MPT3SAS_ADAPTER *ioc)
7306{
7307 Mpi2ExpanderPage0_t expander_pg0;
7308 Mpi2ConfigReply_t mpi_reply;
7309 u16 ioc_status;
7310 u64 sas_address;
7311 u16 handle;
7312
7313 pr_info(MPT3SAS_FMT "search for expanders: start\n", ioc->name);
7314
7315 if (list_empty(&ioc->sas_expander_list))
7316 goto out;
7317
7318 handle = 0xFFFF;
7319 while (!(mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
7320 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) {
7321
7322 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7323 MPI2_IOCSTATUS_MASK;
14be49ac 7324 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
f92363d1
SR		 7325 break;
7326
7327 handle = le16_to_cpu(expander_pg0.DevHandle);
7328 sas_address = le64_to_cpu(expander_pg0.SASAddress);
7329 pr_info("\texpander present: handle(0x%04x), sas_addr(0x%016llx)\n",
7330 handle,
7331 (unsigned long long)sas_address);
7332 _scsih_mark_responding_expander(ioc, sas_address, handle);
7333 }
7334
7335 out:
7336 pr_info(MPT3SAS_FMT "search for expanders: complete\n", ioc->name);
7337}
7338
7339/**
7340 * _scsih_remove_unresponding_sas_devices - removing unresponding devices
7341 * @ioc: per adapter object
7342 *
7343 * Return nothing.
7344 */
7345static void
7346_scsih_remove_unresponding_sas_devices(struct MPT3SAS_ADAPTER *ioc)
7347{
7348 struct _sas_device *sas_device, *sas_device_next;
7349 struct _sas_node *sas_expander, *sas_expander_next;
7350 struct _raid_device *raid_device, *raid_device_next;
7351 struct list_head tmp_list;
7352 unsigned long flags;
d1cb5e49 7353 LIST_HEAD(head);
f92363d1
SR		 7354
7355 pr_info(MPT3SAS_FMT "removing unresponding devices: start\n",
7356 ioc->name);
7357
7358 /* removing unresponding end devices */
7359 pr_info(MPT3SAS_FMT "removing unresponding devices: end-devices\n",
7360 ioc->name);
d1cb5e49
SR		 7361 /*
7362 * Iterate, pulling off devices marked as non-responding. We become the
7363 * owner for the reference the list had on any object we prune.
7364 */
7365 spin_lock_irqsave(&ioc->sas_device_lock, flags);
f92363d1
SR		 7366 list_for_each_entry_safe(sas_device, sas_device_next,
7367 &ioc->sas_device_list, list) {
7368 if (!sas_device->responding)
d1cb5e49 7369 list_move_tail(&sas_device->list, &head);
f92363d1
SR		 7370 else
7371 sas_device->responding = 0;
7372 }
d1cb5e49
SR		 7373 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
7374
7375 /*
7376 * Now, uninitialize and remove the unresponding devices we pruned.
7377 */
7378 list_for_each_entry_safe(sas_device, sas_device_next, &head, list) {
7379 _scsih_remove_device(ioc, sas_device);
7380 list_del_init(&sas_device->list);
7381 sas_device_put(sas_device);
7382 }
f92363d1
SR		 7383
7384 /* removing unresponding volumes */
7385 if (ioc->ir_firmware) {
7386 pr_info(MPT3SAS_FMT "removing unresponding devices: volumes\n",
7387 ioc->name);
7388 list_for_each_entry_safe(raid_device, raid_device_next,
7389 &ioc->raid_device_list, list) {
7390 if (!raid_device->responding)
7391 _scsih_sas_volume_delete(ioc,
7392 raid_device->handle);
7393 else
7394 raid_device->responding = 0;
7395 }
7396 }
7397
7398 /* removing unresponding expanders */
7399 pr_info(MPT3SAS_FMT "removing unresponding devices: expanders\n",
7400 ioc->name);
7401 spin_lock_irqsave(&ioc->sas_node_lock, flags);
7402 INIT_LIST_HEAD(&tmp_list);
7403 list_for_each_entry_safe(sas_expander, sas_expander_next,
7404 &ioc->sas_expander_list, list) {
7405 if (!sas_expander->responding)
7406 list_move_tail(&sas_expander->list, &tmp_list);
7407 else
7408 sas_expander->responding = 0;
7409 }
7410 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
7411 list_for_each_entry_safe(sas_expander, sas_expander_next, &tmp_list,
7412 list) {
7413 list_del(&sas_expander->list);
7414 _scsih_expander_node_remove(ioc, sas_expander);
7415 }
7416
7417 pr_info(MPT3SAS_FMT "removing unresponding devices: complete\n",
7418 ioc->name);
7419
7420 /* unblock devices */
7421 _scsih_ublock_io_all_device(ioc);
7422}
7423
7424static void
7425_scsih_refresh_expander_links(struct MPT3SAS_ADAPTER *ioc,
7426 struct _sas_node *sas_expander, u16 handle)
7427{
7428 Mpi2ExpanderPage1_t expander_pg1;
7429 Mpi2ConfigReply_t mpi_reply;
7430 int i;
7431
7432 for (i = 0 ; i < sas_expander->num_phys ; i++) {
7433 if ((mpt3sas_config_get_expander_pg1(ioc, &mpi_reply,
7434 &expander_pg1, i, handle))) {
7435 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
7436 ioc->name, __FILE__, __LINE__, __func__);
7437 return;
7438 }
7439
7440 mpt3sas_transport_update_links(ioc, sas_expander->sas_address,
7441 le16_to_cpu(expander_pg1.AttachedDevHandle), i,
7442 expander_pg1.NegotiatedLinkRate >> 4);
7443 }
7444}
7445
7446/**
7447 * _scsih_scan_for_devices_after_reset - scan for devices after host reset
7448 * @ioc: per adapter object
7449 *
7450 * Return nothing.
7451 */
7452static void
7453_scsih_scan_for_devices_after_reset(struct MPT3SAS_ADAPTER *ioc)
7454{
7455 Mpi2ExpanderPage0_t expander_pg0;
7456 Mpi2SasDevicePage0_t sas_device_pg0;
7457 Mpi2RaidVolPage1_t volume_pg1;
7458 Mpi2RaidVolPage0_t volume_pg0;
7459 Mpi2RaidPhysDiskPage0_t pd_pg0;
7460 Mpi2EventIrConfigElement_t element;
7461 Mpi2ConfigReply_t mpi_reply;
7462 u8 phys_disk_num;
7463 u16 ioc_status;
7464 u16 handle, parent_handle;
7465 u64 sas_address;
7466 struct _sas_device *sas_device;
7467 struct _sas_node *expander_device;
7468 static struct _raid_device *raid_device;
7469 u8 retry_count;
7470 unsigned long flags;
7471
7472 pr_info(MPT3SAS_FMT "scan devices: start\n", ioc->name);
7473
7474 _scsih_sas_host_refresh(ioc);
7475
7476 pr_info(MPT3SAS_FMT "\tscan devices: expanders start\n", ioc->name);
7477
7478 /* expanders */
7479 handle = 0xFFFF;
7480 while (!(mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
7481 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) {
7482 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7483 MPI2_IOCSTATUS_MASK;
f92363d1
SR		 7484 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7485 pr_info(MPT3SAS_FMT "\tbreak from expander scan: " \
7486 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7487 ioc->name, ioc_status,
7488 le32_to_cpu(mpi_reply.IOCLogInfo));
7489 break;
7490 }
7491 handle = le16_to_cpu(expander_pg0.DevHandle);
7492 spin_lock_irqsave(&ioc->sas_node_lock, flags);
7493 expander_device = mpt3sas_scsih_expander_find_by_sas_address(
7494 ioc, le64_to_cpu(expander_pg0.SASAddress));
7495 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
7496 if (expander_device)
7497 _scsih_refresh_expander_links(ioc, expander_device,
7498 handle);
7499 else {
7500 pr_info(MPT3SAS_FMT "\tBEFORE adding expander: " \
7501 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name,
7502 handle, (unsigned long long)
7503 le64_to_cpu(expander_pg0.SASAddress));
7504 _scsih_expander_add(ioc, handle);
7505 pr_info(MPT3SAS_FMT "\tAFTER adding expander: " \
7506 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name,
7507 handle, (unsigned long long)
7508 le64_to_cpu(expander_pg0.SASAddress));
7509 }
7510 }
7511
7512 pr_info(MPT3SAS_FMT "\tscan devices: expanders complete\n",
7513 ioc->name);
7514
7515 if (!ioc->ir_firmware)
7516 goto skip_to_sas;
7517
7518 pr_info(MPT3SAS_FMT "\tscan devices: phys disk start\n", ioc->name);
7519
7520 /* phys disk */
7521 phys_disk_num = 0xFF;
7522 while (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
7523 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM,
7524 phys_disk_num))) {
7525 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7526 MPI2_IOCSTATUS_MASK;
f92363d1
SR		 7527 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7528 pr_info(MPT3SAS_FMT "\tbreak from phys disk scan: "\
7529 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7530 ioc->name, ioc_status,
7531 le32_to_cpu(mpi_reply.IOCLogInfo));
7532 break;
7533 }
7534 phys_disk_num = pd_pg0.PhysDiskNum;
7535 handle = le16_to_cpu(pd_pg0.DevHandle);
d1cb5e49
SR		 7536 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
7537 if (sas_device) {
7538 sas_device_put(sas_device);
f92363d1 7539 continue;
d1cb5e49 7540 }
f92363d1
SR		 7541 if (mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
7542 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
7543 handle) != 0)
7544 continue;
7545 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7546 MPI2_IOCSTATUS_MASK;
7547 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7548 pr_info(MPT3SAS_FMT "\tbreak from phys disk scan " \
7549 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7550 ioc->name, ioc_status,
7551 le32_to_cpu(mpi_reply.IOCLogInfo));
7552 break;
7553 }
7554 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
7555 if (!_scsih_get_sas_address(ioc, parent_handle,
7556 &sas_address)) {
7557 pr_info(MPT3SAS_FMT "\tBEFORE adding phys disk: " \
7558 " handle (0x%04x), sas_addr(0x%016llx)\n",
7559 ioc->name, handle, (unsigned long long)
7560 le64_to_cpu(sas_device_pg0.SASAddress));
7561 mpt3sas_transport_update_links(ioc, sas_address,
7562 handle, sas_device_pg0.PhyNum,
7563 MPI2_SAS_NEG_LINK_RATE_1_5);
7564 set_bit(handle, ioc->pd_handles);
7565 retry_count = 0;
7566 /* This will retry adding the end device.
7567 * _scsih_add_device() will decide on retries and
7568 * return "1" when it should be retried
7569 */
7570 while (_scsih_add_device(ioc, handle, retry_count++,
7571 1)) {
7572 ssleep(1);
7573 }
7574 pr_info(MPT3SAS_FMT "\tAFTER adding phys disk: " \
7575 " handle (0x%04x), sas_addr(0x%016llx)\n",
7576 ioc->name, handle, (unsigned long long)
7577 le64_to_cpu(sas_device_pg0.SASAddress));
7578 }
7579 }
7580
7581 pr_info(MPT3SAS_FMT "\tscan devices: phys disk complete\n",
7582 ioc->name);
7583
7584 pr_info(MPT3SAS_FMT "\tscan devices: volumes start\n", ioc->name);
7585
7586 /* volumes */
7587 handle = 0xFFFF;
7588 while (!(mpt3sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
7589 &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
7590 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7591 MPI2_IOCSTATUS_MASK;
f92363d1
SR		 7592 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7593 pr_info(MPT3SAS_FMT "\tbreak from volume scan: " \
7594 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7595 ioc->name, ioc_status,
7596 le32_to_cpu(mpi_reply.IOCLogInfo));
7597 break;
7598 }
7599 handle = le16_to_cpu(volume_pg1.DevHandle);
7600 spin_lock_irqsave(&ioc->raid_device_lock, flags);
7601 raid_device = _scsih_raid_device_find_by_wwid(ioc,
7602 le64_to_cpu(volume_pg1.WWID));
7603 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7604 if (raid_device)
7605 continue;
7606 if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply,
7607 &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
7608 sizeof(Mpi2RaidVolPage0_t)))
7609 continue;
7610 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7611 MPI2_IOCSTATUS_MASK;
7612 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7613 pr_info(MPT3SAS_FMT "\tbreak from volume scan: " \
7614 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7615 ioc->name, ioc_status,
7616 le32_to_cpu(mpi_reply.IOCLogInfo));
7617 break;
7618 }
7619 if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL ||
7620 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE ||
7621 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED) {
7622 memset(&element, 0, sizeof(Mpi2EventIrConfigElement_t));
7623 element.ReasonCode = MPI2_EVENT_IR_CHANGE_RC_ADDED;
7624 element.VolDevHandle = volume_pg1.DevHandle;
7625 pr_info(MPT3SAS_FMT
7626 "\tBEFORE adding volume: handle (0x%04x)\n",
7627 ioc->name, volume_pg1.DevHandle);
7628 _scsih_sas_volume_add(ioc, &element);
7629 pr_info(MPT3SAS_FMT
7630 "\tAFTER adding volume: handle (0x%04x)\n",
7631 ioc->name, volume_pg1.DevHandle);
7632 }
7633 }
7634
7635 pr_info(MPT3SAS_FMT "\tscan devices: volumes complete\n",
7636 ioc->name);
7637
7638 skip_to_sas:
7639
7640 pr_info(MPT3SAS_FMT "\tscan devices: end devices start\n",
7641 ioc->name);
7642
7643 /* sas devices */
7644 handle = 0xFFFF;
7645 while (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
7646 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
7647 handle))) {
7648 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7649 MPI2_IOCSTATUS_MASK;
f92363d1
SR		 7650 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7651 pr_info(MPT3SAS_FMT "\tbreak from end device scan:"\
7652 " ioc_status(0x%04x), loginfo(0x%08x)\n",
7653 ioc->name, ioc_status,
7654 le32_to_cpu(mpi_reply.IOCLogInfo));
7655 break;
7656 }
7657 handle = le16_to_cpu(sas_device_pg0.DevHandle);
7658 if (!(_scsih_is_end_device(
7659 le32_to_cpu(sas_device_pg0.DeviceInfo))))
7660 continue;
d1cb5e49 7661 sas_device = mpt3sas_get_sdev_by_addr(ioc,
f92363d1 7662 le64_to_cpu(sas_device_pg0.SASAddress));
d1cb5e49
SR		 7663 if (sas_device) {
7664 sas_device_put(sas_device);
f92363d1 7665 continue;
d1cb5e49 7666 }
f92363d1
SR		 7667 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
7668 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) {
7669 pr_info(MPT3SAS_FMT "\tBEFORE adding end device: " \
7670 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name,
7671 handle, (unsigned long long)
7672 le64_to_cpu(sas_device_pg0.SASAddress));
7673 mpt3sas_transport_update_links(ioc, sas_address, handle,
7674 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
7675 retry_count = 0;
7676 /* This will retry adding the end device.
7677 * _scsih_add_device() will decide on retries and
7678 * return "1" when it should be retried
7679 */
7680 while (_scsih_add_device(ioc, handle, retry_count++,
7681 0)) {
7682 ssleep(1);
7683 }
7684 pr_info(MPT3SAS_FMT "\tAFTER adding end device: " \
7685 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name,
7686 handle, (unsigned long long)
7687 le64_to_cpu(sas_device_pg0.SASAddress));
7688 }
7689 }
7690 pr_info(MPT3SAS_FMT "\tscan devices: end devices complete\n",
7691 ioc->name);
7692
7693 pr_info(MPT3SAS_FMT "scan devices: complete\n", ioc->name);
7694}
7695/**
7696 * mpt3sas_scsih_reset_handler - reset callback handler (for scsih)
7697 * @ioc: per adapter object
7698 * @reset_phase: phase
7699 *
7700 * The handler for doing any required cleanup or initialization.
7701 *
7702 * The reset phase can be MPT3_IOC_PRE_RESET, MPT3_IOC_AFTER_RESET,
7703 * MPT3_IOC_DONE_RESET
7704 *
7705 * Return nothing.
7706 */
7707void
7708mpt3sas_scsih_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase)
7709{
7710 switch (reset_phase) {
7711 case MPT3_IOC_PRE_RESET:
7712 dtmprintk(ioc, pr_info(MPT3SAS_FMT
7713 "%s: MPT3_IOC_PRE_RESET\n", ioc->name, __func__));
7714 break;
7715 case MPT3_IOC_AFTER_RESET:
7716 dtmprintk(ioc, pr_info(MPT3SAS_FMT
7717 "%s: MPT3_IOC_AFTER_RESET\n", ioc->name, __func__));
7718 if (ioc->scsih_cmds.status & MPT3_CMD_PENDING) {
7719 ioc->scsih_cmds.status |= MPT3_CMD_RESET;
7720 mpt3sas_base_free_smid(ioc, ioc->scsih_cmds.smid);
7721 complete(&ioc->scsih_cmds.done);
7722 }
7723 if (ioc->tm_cmds.status & MPT3_CMD_PENDING) {
7724 ioc->tm_cmds.status |= MPT3_CMD_RESET;
7725 mpt3sas_base_free_smid(ioc, ioc->tm_cmds.smid);
7726 complete(&ioc->tm_cmds.done);
7727 }
7728
c696f7b8
SPS		 7729 memset(ioc->pend_os_device_add, 0, ioc->pend_os_device_add_sz);
7730 memset(ioc->device_remove_in_progress, 0,
7731 ioc->device_remove_in_progress_sz);
f92363d1
SR		 7732 _scsih_fw_event_cleanup_queue(ioc);
7733 _scsih_flush_running_cmds(ioc);
7734 break;
7735 case MPT3_IOC_DONE_RESET:
7736 dtmprintk(ioc, pr_info(MPT3SAS_FMT
7737 "%s: MPT3_IOC_DONE_RESET\n", ioc->name, __func__));
7738 if ((!ioc->is_driver_loading) && !(disable_discovery > 0 &&
7739 !ioc->sas_hba.num_phys)) {
7740 _scsih_prep_device_scan(ioc);
7741 _scsih_search_responding_sas_devices(ioc);
7742 _scsih_search_responding_raid_devices(ioc);
7743 _scsih_search_responding_expanders(ioc);
7744 _scsih_error_recovery_delete_devices(ioc);
7745 }
7746 break;
7747 }
7748}
7749
7750/**
7751 * _mpt3sas_fw_work - delayed task for processing firmware events
7752 * @ioc: per adapter object
7753 * @fw_event: The fw_event_work object
7754 * Context: user.
7755 *
7756 * Return nothing.
7757 */
7758static void
7759_mpt3sas_fw_work(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
7760{
146b16c8
SR		 7761 _scsih_fw_event_del_from_list(ioc, fw_event);
7762
f92363d1 7763 /* the queue is being flushed so ignore this event */
146b16c8
SR		 7764 if (ioc->remove_host || ioc->pci_error_recovery) {
7765 fw_event_work_put(fw_event);
f92363d1
SR		 7766 return;
7767 }
7768
7769 switch (fw_event->event) {
7770 case MPT3SAS_PROCESS_TRIGGER_DIAG:
35b62362
JL		 7771 mpt3sas_process_trigger_data(ioc,
7772 (struct SL_WH_TRIGGERS_EVENT_DATA_T *)
7773 fw_event->event_data);
f92363d1
SR		 7774 break;
7775 case MPT3SAS_REMOVE_UNRESPONDING_DEVICES:
146b16c8
SR		 7776 while (scsi_host_in_recovery(ioc->shost) ||
7777 ioc->shost_recovery) {
7778 /*
7779 * If we're unloading, bail. Otherwise, this can become
7780 * an infinite loop.
7781 */
7782 if (ioc->remove_host)
7783 goto out;
f92363d1 7784 ssleep(1);
146b16c8 7785 }
f92363d1
SR		 7786 _scsih_remove_unresponding_sas_devices(ioc);
7787 _scsih_scan_for_devices_after_reset(ioc);
7788 break;
7789 case MPT3SAS_PORT_ENABLE_COMPLETE:
7790 ioc->start_scan = 0;
7791 if (missing_delay[0] != -1 && missing_delay[1] != -1)
7792 mpt3sas_base_update_missing_delay(ioc, missing_delay[0],
7793 missing_delay[1]);
7794 dewtprintk(ioc, pr_info(MPT3SAS_FMT
7795 "port enable: complete from worker thread\n",
7796 ioc->name));
7797 break;
0f624c39
SR		 7798 case MPT3SAS_TURN_ON_PFA_LED:
7799 _scsih_turn_on_pfa_led(ioc, fw_event->device_handle);
f92363d1
SR		 7800 break;
7801 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
7802 _scsih_sas_topology_change_event(ioc, fw_event);
7803 break;
7804 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
7805 _scsih_sas_device_status_change_event(ioc, fw_event);
7806 break;
7807 case MPI2_EVENT_SAS_DISCOVERY:
7808 _scsih_sas_discovery_event(ioc, fw_event);
7809 break;
7810 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
7811 _scsih_sas_broadcast_primitive_event(ioc, fw_event);
7812 break;
7813 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
7814 _scsih_sas_enclosure_dev_status_change_event(ioc,
7815 fw_event);
7816 break;
7817 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
7818 _scsih_sas_ir_config_change_event(ioc, fw_event);
7819 break;
7820 case MPI2_EVENT_IR_VOLUME:
7821 _scsih_sas_ir_volume_event(ioc, fw_event);
7822 break;
7823 case MPI2_EVENT_IR_PHYSICAL_DISK:
7824 _scsih_sas_ir_physical_disk_event(ioc, fw_event);
7825 break;
7826 case MPI2_EVENT_IR_OPERATION_STATUS:
7827 _scsih_sas_ir_operation_status_event(ioc, fw_event);
7828 break;
7829 }
146b16c8
SR		 7830out:
7831 fw_event_work_put(fw_event);
f92363d1
SR		 7832}
7833
7834/**
7835 * _firmware_event_work
7836 * @ioc: per adapter object
7837 * @work: The fw_event_work object
7838 * Context: user.
7839 *
7840 * wrappers for the work thread handling firmware events
7841 *
7842 * Return nothing.
7843 */
7844
7845static void
7846_firmware_event_work(struct work_struct *work)
7847{
7848 struct fw_event_work *fw_event = container_of(work,
7849 struct fw_event_work, work);
7850
7851 _mpt3sas_fw_work(fw_event->ioc, fw_event);
7852}
7853
7854/**
7855 * mpt3sas_scsih_event_callback - firmware event handler (called at ISR time)
7856 * @ioc: per adapter object
7857 * @msix_index: MSIX table index supplied by the OS
7858 * @reply: reply message frame(lower 32bit addr)
7859 * Context: interrupt.
7860 *
7861 * This function merely adds a new work task into ioc->firmware_event_thread.
7862 * The tasks are worked from _firmware_event_work in user context.
7863 *
7864 * Return 1 meaning mf should be freed from _base_interrupt
7865 * 0 means the mf is freed from this function.
7866 */
7867u8
7868mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index,
7869 u32 reply)
7870{
7871 struct fw_event_work *fw_event;
7872 Mpi2EventNotificationReply_t *mpi_reply;
7873 u16 event;
7874 u16 sz;
a470a51c 7875 Mpi26EventDataActiveCableExcept_t *ActiveCableEventData;
f92363d1
SR		 7876
7877 /* events turned off due to host reset or driver unloading */
7878 if (ioc->remove_host || ioc->pci_error_recovery)
7879 return 1;
7880
7881 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
7882
7883 if (unlikely(!mpi_reply)) {
7884 pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n",
7885 ioc->name, __FILE__, __LINE__, __func__);
7886 return 1;
7887 }
7888
7889 event = le16_to_cpu(mpi_reply->Event);
7890
7891 if (event != MPI2_EVENT_LOG_ENTRY_ADDED)
7892 mpt3sas_trigger_event(ioc, event, 0);
7893
7894 switch (event) {
7895 /* handle these */
7896 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
7897 {
7898 Mpi2EventDataSasBroadcastPrimitive_t *baen_data =
7899 (Mpi2EventDataSasBroadcastPrimitive_t *)
7900 mpi_reply->EventData;
7901
7902 if (baen_data->Primitive !=
7903 MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT)
7904 return 1;
7905
7906 if (ioc->broadcast_aen_busy) {
7907 ioc->broadcast_aen_pending++;
7908 return 1;
7909 } else
7910 ioc->broadcast_aen_busy = 1;
7911 break;
7912 }
7913
7914 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
7915 _scsih_check_topo_delete_events(ioc,
7916 (Mpi2EventDataSasTopologyChangeList_t *)
7917 mpi_reply->EventData);
7918 break;
7919 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
7920 _scsih_check_ir_config_unhide_events(ioc,
7921 (Mpi2EventDataIrConfigChangeList_t *)
7922 mpi_reply->EventData);
7923 break;
7924 case MPI2_EVENT_IR_VOLUME:
7925 _scsih_check_volume_delete_events(ioc,
7926 (Mpi2EventDataIrVolume_t *)
7927 mpi_reply->EventData);
7928 break;
7786ab6a
SR		 7929 case MPI2_EVENT_LOG_ENTRY_ADDED:
7930 {
7931 Mpi2EventDataLogEntryAdded_t *log_entry;
7932 u32 *log_code;
7933
7934 if (!ioc->is_warpdrive)
7935 break;
7936
7937 log_entry = (Mpi2EventDataLogEntryAdded_t *)
7938 mpi_reply->EventData;
7939 log_code = (u32 *)log_entry->LogData;
f92363d1 7940
7786ab6a
SR		 7941 if (le16_to_cpu(log_entry->LogEntryQualifier)
7942 != MPT2_WARPDRIVE_LOGENTRY)
7943 break;
7944
7945 switch (le32_to_cpu(*log_code)) {
7946 case MPT2_WARPDRIVE_LC_SSDT:
7947 pr_warn(MPT3SAS_FMT "WarpDrive Warning: "
7948 "IO Throttling has occurred in the WarpDrive "
7949 "subsystem. Check WarpDrive documentation for "
7950 "additional details.\n", ioc->name);
7951 break;
7952 case MPT2_WARPDRIVE_LC_SSDLW:
7953 pr_warn(MPT3SAS_FMT "WarpDrive Warning: "
7954 "Program/Erase Cycles for the WarpDrive subsystem "
7955 "in degraded range. Check WarpDrive documentation "
7956 "for additional details.\n", ioc->name);
7957 break;
7958 case MPT2_WARPDRIVE_LC_SSDLF:
7959 pr_err(MPT3SAS_FMT "WarpDrive Fatal Error: "
7960 "There are no Program/Erase Cycles for the "
7961 "WarpDrive subsystem. The storage device will be "
7962 "in read-only mode. Check WarpDrive documentation "
7963 "for additional details.\n", ioc->name);
7964 break;
7965 case MPT2_WARPDRIVE_LC_BRMF:
7966 pr_err(MPT3SAS_FMT "WarpDrive Fatal Error: "
7967 "The Backup Rail Monitor has failed on the "
7968 "WarpDrive subsystem. Check WarpDrive "
7969 "documentation for additional details.\n",
7970 ioc->name);
7971 break;
7972 }
7973
7974 break;
7975 }
f92363d1
SR		 7976 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
7977 case MPI2_EVENT_IR_OPERATION_STATUS:
7978 case MPI2_EVENT_SAS_DISCOVERY:
7979 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
7980 case MPI2_EVENT_IR_PHYSICAL_DISK:
7981 break;
7982
2d8ce8c9
SR		 7983 case MPI2_EVENT_TEMP_THRESHOLD:
7984 _scsih_temp_threshold_events(ioc,
7985 (Mpi2EventDataTemperature_t *)
7986 mpi_reply->EventData);
7987 break;
a470a51c
C		 7988 case MPI2_EVENT_ACTIVE_CABLE_EXCEPTION:
7989 ActiveCableEventData =
7990 (Mpi26EventDataActiveCableExcept_t *) mpi_reply->EventData;
7991 if (ActiveCableEventData->ReasonCode ==
7ebd67e0 7992 MPI26_EVENT_ACTIVE_CABLE_INSUFFICIENT_POWER) {
a470a51c
C		 7993 pr_info(MPT3SAS_FMT "Currently an active cable with ReceptacleID %d",
7994 ioc->name, ActiveCableEventData->ReceptacleID);
7995 pr_info("cannot be powered and devices connected to this active cable");
7996 pr_info("will not be seen. This active cable");
7997 pr_info("requires %d mW of power",
7998 ActiveCableEventData->ActiveCablePowerRequirement);
7ebd67e0 7999 }
a470a51c 8000 break;
2d8ce8c9 8001
f92363d1
SR		 8002 default: /* ignore the rest */
8003 return 1;
8004 }
8005
f92363d1 8006 sz = le16_to_cpu(mpi_reply->EventDataLength) * 4;
146b16c8 8007 fw_event = alloc_fw_event_work(sz);
35b62362 8008 if (!fw_event) {
f92363d1
SR		 8009 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
8010 ioc->name, __FILE__, __LINE__, __func__);
f92363d1
SR		 8011 return 1;
8012 }
8013
8014 memcpy(fw_event->event_data, mpi_reply->EventData, sz);
8015 fw_event->ioc = ioc;
8016 fw_event->VF_ID = mpi_reply->VF_ID;
8017 fw_event->VP_ID = mpi_reply->VP_ID;
8018 fw_event->event = event;
8019 _scsih_fw_event_add(ioc, fw_event);
146b16c8 8020 fw_event_work_put(fw_event);
f92363d1
SR		 8021 return 1;
8022}
8023
f92363d1
SR		 8024/**
8025 * _scsih_expander_node_remove - removing expander device from list.
8026 * @ioc: per adapter object
8027 * @sas_expander: the sas_device object
8028 * Context: Calling function should acquire ioc->sas_node_lock.
8029 *
8030 * Removing object and freeing associated memory from the
8031 * ioc->sas_expander_list.
8032 *
8033 * Return nothing.
8034 */
8035static void
8036_scsih_expander_node_remove(struct MPT3SAS_ADAPTER *ioc,
8037 struct _sas_node *sas_expander)
8038{
8039 struct _sas_port *mpt3sas_port, *next;
8040
8041 /* remove sibling ports attached to this expander */
8042 list_for_each_entry_safe(mpt3sas_port, next,
8043 &sas_expander->sas_port_list, port_list) {
8044 if (ioc->shost_recovery)
8045 return;
8046 if (mpt3sas_port->remote_identify.device_type ==
8047 SAS_END_DEVICE)
8048 mpt3sas_device_remove_by_sas_address(ioc,
8049 mpt3sas_port->remote_identify.sas_address);
8050 else if (mpt3sas_port->remote_identify.device_type ==
8051 SAS_EDGE_EXPANDER_DEVICE ||
8052 mpt3sas_port->remote_identify.device_type ==
8053 SAS_FANOUT_EXPANDER_DEVICE)
8054 mpt3sas_expander_remove(ioc,
8055 mpt3sas_port->remote_identify.sas_address);
8056 }
8057
8058 mpt3sas_transport_port_remove(ioc, sas_expander->sas_address,
8059 sas_expander->sas_address_parent);
8060
8061 pr_info(MPT3SAS_FMT
8062 "expander_remove: handle(0x%04x), sas_addr(0x%016llx)\n",
8063 ioc->name,
8064 sas_expander->handle, (unsigned long long)
8065 sas_expander->sas_address);
8066
8067 kfree(sas_expander->phy);
8068 kfree(sas_expander);
8069}
8070
8071/**
8072 * _scsih_ir_shutdown - IR shutdown notification
8073 * @ioc: per adapter object
8074 *
8075 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
8076 * the host system is shutting down.
8077 *
8078 * Return nothing.
8079 */
8080static void
8081_scsih_ir_shutdown(struct MPT3SAS_ADAPTER *ioc)
8082{
8083 Mpi2RaidActionRequest_t *mpi_request;
8084 Mpi2RaidActionReply_t *mpi_reply;
8085 u16 smid;
8086
8087 /* is IR firmware build loaded ? */
8088 if (!ioc->ir_firmware)
8089 return;
8090
8091 /* are there any volumes ? */
8092 if (list_empty(&ioc->raid_device_list))
8093 return;
8094
8095 mutex_lock(&ioc->scsih_cmds.mutex);
8096
8097 if (ioc->scsih_cmds.status != MPT3_CMD_NOT_USED) {
8098 pr_err(MPT3SAS_FMT "%s: scsih_cmd in use\n",
8099 ioc->name, __func__);
8100 goto out;
8101 }
8102 ioc->scsih_cmds.status = MPT3_CMD_PENDING;
8103
8104 smid = mpt3sas_base_get_smid(ioc, ioc->scsih_cb_idx);
8105 if (!smid) {
8106 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
8107 ioc->name, __func__);
8108 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
8109 goto out;
8110 }
8111
8112 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
8113 ioc->scsih_cmds.smid = smid;
8114 memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t));
8115
8116 mpi_request->Function = MPI2_FUNCTION_RAID_ACTION;
8117 mpi_request->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
8118
7786ab6a
SR		 8119 if (!ioc->hide_ir_msg)
8120 pr_info(MPT3SAS_FMT "IR shutdown (sending)\n", ioc->name);
f92363d1
SR		 8121 init_completion(&ioc->scsih_cmds.done);
8122 mpt3sas_base_put_smid_default(ioc, smid);
8123 wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ);
8124
8125 if (!(ioc->scsih_cmds.status & MPT3_CMD_COMPLETE)) {
8126 pr_err(MPT3SAS_FMT "%s: timeout\n",
8127 ioc->name, __func__);
8128 goto out;
8129 }
8130
8131 if (ioc->scsih_cmds.status & MPT3_CMD_REPLY_VALID) {
8132 mpi_reply = ioc->scsih_cmds.reply;
7786ab6a
SR		 8133 if (!ioc->hide_ir_msg)
8134 pr_info(MPT3SAS_FMT "IR shutdown "
8135 "(complete): ioc_status(0x%04x), loginfo(0x%08x)\n",
8136 ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
8137 le32_to_cpu(mpi_reply->IOCLogInfo));
f92363d1
SR		 8138 }
8139
8140 out:
8141 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
8142 mutex_unlock(&ioc->scsih_cmds.mutex);
8143}
8144
8145/**
8a7e4c24 8146 * scsih_remove - detach and remove add host
f92363d1
SR		 8147 * @pdev: PCI device struct
8148 *
8149 * Routine called when unloading the driver.
8150 * Return nothing.
8151 */
8bbb1cf6 8152static void scsih_remove(struct pci_dev *pdev)
f92363d1
SR		 8153{
8154 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8155 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8156 struct _sas_port *mpt3sas_port, *next_port;
8157 struct _raid_device *raid_device, *next;
8158 struct MPT3SAS_TARGET *sas_target_priv_data;
8159 struct workqueue_struct *wq;
8160 unsigned long flags;
8161
8162 ioc->remove_host = 1;
8163 _scsih_fw_event_cleanup_queue(ioc);
8164
8165 spin_lock_irqsave(&ioc->fw_event_lock, flags);
8166 wq = ioc->firmware_event_thread;
8167 ioc->firmware_event_thread = NULL;
8168 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
8169 if (wq)
8170 destroy_workqueue(wq);
8171
8172 /* release all the volumes */
8173 _scsih_ir_shutdown(ioc);
8174 list_for_each_entry_safe(raid_device, next, &ioc->raid_device_list,
8175 list) {
8176 if (raid_device->starget) {
8177 sas_target_priv_data =
8178 raid_device->starget->hostdata;
8179 sas_target_priv_data->deleted = 1;
8180 scsi_remove_target(&raid_device->starget->dev);
8181 }
8182 pr_info(MPT3SAS_FMT "removing handle(0x%04x), wwid(0x%016llx)\n",
8183 ioc->name, raid_device->handle,
8184 (unsigned long long) raid_device->wwid);
8185 _scsih_raid_device_remove(ioc, raid_device);
8186 }
8187
8188 /* free ports attached to the sas_host */
8189 list_for_each_entry_safe(mpt3sas_port, next_port,
8190 &ioc->sas_hba.sas_port_list, port_list) {
8191 if (mpt3sas_port->remote_identify.device_type ==
8192 SAS_END_DEVICE)
8193 mpt3sas_device_remove_by_sas_address(ioc,
8194 mpt3sas_port->remote_identify.sas_address);
8195 else if (mpt3sas_port->remote_identify.device_type ==
8196 SAS_EDGE_EXPANDER_DEVICE ||
8197 mpt3sas_port->remote_identify.device_type ==
8198 SAS_FANOUT_EXPANDER_DEVICE)
8199 mpt3sas_expander_remove(ioc,
8200 mpt3sas_port->remote_identify.sas_address);
8201 }
8202
8203 /* free phys attached to the sas_host */
8204 if (ioc->sas_hba.num_phys) {
8205 kfree(ioc->sas_hba.phy);
8206 ioc->sas_hba.phy = NULL;
8207 ioc->sas_hba.num_phys = 0;
8208 }
8209
8210 sas_remove_host(shost);
4dc06fd8 8211 scsi_remove_host(shost);
f92363d1 8212 mpt3sas_base_detach(ioc);
08c4d550 8213 spin_lock(&gioc_lock);
f92363d1 8214 list_del(&ioc->list);
08c4d550 8215 spin_unlock(&gioc_lock);
f92363d1
SR		 8216 scsi_host_put(shost);
8217}
8218
8219/**
8a7e4c24 8220 * scsih_shutdown - routine call during system shutdown
f92363d1
SR		 8221 * @pdev: PCI device struct
8222 *
8223 * Return nothing.
8224 */
8bbb1cf6 8225static void
8a7e4c24 8226scsih_shutdown(struct pci_dev *pdev)
f92363d1
SR		 8227{
8228 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8229 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8230 struct workqueue_struct *wq;
8231 unsigned long flags;
8232
8233 ioc->remove_host = 1;
8234 _scsih_fw_event_cleanup_queue(ioc);
8235
8236 spin_lock_irqsave(&ioc->fw_event_lock, flags);
8237 wq = ioc->firmware_event_thread;
8238 ioc->firmware_event_thread = NULL;
8239 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
8240 if (wq)
8241 destroy_workqueue(wq);
8242
8243 _scsih_ir_shutdown(ioc);
8244 mpt3sas_base_detach(ioc);
8245}
8246
8247
8248/**
8249 * _scsih_probe_boot_devices - reports 1st device
8250 * @ioc: per adapter object
8251 *
8252 * If specified in bios page 2, this routine reports the 1st
8253 * device scsi-ml or sas transport for persistent boot device
8254 * purposes. Please refer to function _scsih_determine_boot_device()
8255 */
8256static void
8257_scsih_probe_boot_devices(struct MPT3SAS_ADAPTER *ioc)
8258{
8259 u8 is_raid;
8260 void *device;
8261 struct _sas_device *sas_device;
8262 struct _raid_device *raid_device;
8263 u16 handle;
8264 u64 sas_address_parent;
8265 u64 sas_address;
8266 unsigned long flags;
8267 int rc;
8268
8269 /* no Bios, return immediately */
8270 if (!ioc->bios_pg3.BiosVersion)
8271 return;
8272
8273 device = NULL;
8274 is_raid = 0;
8275 if (ioc->req_boot_device.device) {
8276 device = ioc->req_boot_device.device;
8277 is_raid = ioc->req_boot_device.is_raid;
8278 } else if (ioc->req_alt_boot_device.device) {
8279 device = ioc->req_alt_boot_device.device;
8280 is_raid = ioc->req_alt_boot_device.is_raid;
8281 } else if (ioc->current_boot_device.device) {
8282 device = ioc->current_boot_device.device;
8283 is_raid = ioc->current_boot_device.is_raid;
8284 }
8285
8286 if (!device)
8287 return;
8288
8289 if (is_raid) {
8290 raid_device = device;
8291 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
8292 raid_device->id, 0);
8293 if (rc)
8294 _scsih_raid_device_remove(ioc, raid_device);
8295 } else {
8296 spin_lock_irqsave(&ioc->sas_device_lock, flags);
8297 sas_device = device;
8298 handle = sas_device->handle;
8299 sas_address_parent = sas_device->sas_address_parent;
8300 sas_address = sas_device->sas_address;
8301 list_move_tail(&sas_device->list, &ioc->sas_device_list);
8302 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
8303
7786ab6a
SR		 8304 if (ioc->hide_drives)
8305 return;
f92363d1
SR		 8306 if (!mpt3sas_transport_port_add(ioc, handle,
8307 sas_address_parent)) {
8308 _scsih_sas_device_remove(ioc, sas_device);
8309 } else if (!sas_device->starget) {
f5edbe77
SR		 8310 if (!ioc->is_driver_loading) {
8311 mpt3sas_transport_port_remove(ioc,
8312 sas_address,
f92363d1 8313 sas_address_parent);
f5edbe77
SR		 8314 _scsih_sas_device_remove(ioc, sas_device);
8315 }
f92363d1
SR		 8316 }
8317 }
8318}
8319
8320/**
8321 * _scsih_probe_raid - reporting raid volumes to scsi-ml
8322 * @ioc: per adapter object
8323 *
8324 * Called during initial loading of the driver.
8325 */
8326static void
8327_scsih_probe_raid(struct MPT3SAS_ADAPTER *ioc)
8328{
8329 struct _raid_device *raid_device, *raid_next;
8330 int rc;
8331
8332 list_for_each_entry_safe(raid_device, raid_next,
8333 &ioc->raid_device_list, list) {
8334 if (raid_device->starget)
8335 continue;
8336 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
8337 raid_device->id, 0);
8338 if (rc)
8339 _scsih_raid_device_remove(ioc, raid_device);
8340 }
8341}
8342
d1cb5e49
SR		 8343static struct _sas_device *get_next_sas_device(struct MPT3SAS_ADAPTER *ioc)
8344{
8345 struct _sas_device *sas_device = NULL;
8346 unsigned long flags;
8347
8348 spin_lock_irqsave(&ioc->sas_device_lock, flags);
8349 if (!list_empty(&ioc->sas_device_init_list)) {
8350 sas_device = list_first_entry(&ioc->sas_device_init_list,
8351 struct _sas_device, list);
8352 sas_device_get(sas_device);
8353 }
8354 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
8355
8356 return sas_device;
8357}
8358
8359static void sas_device_make_active(struct MPT3SAS_ADAPTER *ioc,
8360 struct _sas_device *sas_device)
8361{
8362 unsigned long flags;
8363
8364 spin_lock_irqsave(&ioc->sas_device_lock, flags);
8365
8366 /*
8367 * Since we dropped the lock during the call to port_add(), we need to
8368 * be careful here that somebody else didn't move or delete this item
8369 * while we were busy with other things.
8370 *
8371 * If it was on the list, we need a put() for the reference the list
8372 * had. Either way, we need a get() for the destination list.
8373 */
8374 if (!list_empty(&sas_device->list)) {
8375 list_del_init(&sas_device->list);
8376 sas_device_put(sas_device);
8377 }
8378
8379 sas_device_get(sas_device);
8380 list_add_tail(&sas_device->list, &ioc->sas_device_list);
8381
8382 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
8383}
8384
f92363d1
SR		 8385/**
8386 * _scsih_probe_sas - reporting sas devices to sas transport
8387 * @ioc: per adapter object
8388 *
8389 * Called during initial loading of the driver.
8390 */
8391static void
8392_scsih_probe_sas(struct MPT3SAS_ADAPTER *ioc)
8393{
d1cb5e49 8394 struct _sas_device *sas_device;
f92363d1 8395
d1cb5e49
SR		 8396 if (ioc->hide_drives)
8397 return;
7786ab6a 8398
d1cb5e49 8399 while ((sas_device = get_next_sas_device(ioc))) {
f92363d1
SR		 8400 if (!mpt3sas_transport_port_add(ioc, sas_device->handle,
8401 sas_device->sas_address_parent)) {
d1cb5e49
SR		 8402 _scsih_sas_device_remove(ioc, sas_device);
8403 sas_device_put(sas_device);
f92363d1
SR		 8404 continue;
8405 } else if (!sas_device->starget) {
8406 /*
8407 * When asyn scanning is enabled, its not possible to
8408 * remove devices while scanning is turned on due to an
8409 * oops in scsi_sysfs_add_sdev()->add_device()->
8410 * sysfs_addrm_start()
8411 */
f5edbe77 8412 if (!ioc->is_driver_loading) {
f92363d1
SR		 8413 mpt3sas_transport_port_remove(ioc,
8414 sas_device->sas_address,
8415 sas_device->sas_address_parent);
d1cb5e49
SR		 8416 _scsih_sas_device_remove(ioc, sas_device);
8417 sas_device_put(sas_device);
f5edbe77
SR		 8418 continue;
8419 }
f92363d1 8420 }
d1cb5e49
SR		 8421 sas_device_make_active(ioc, sas_device);
8422 sas_device_put(sas_device);
f92363d1
SR		 8423 }
8424}
8425
8426/**
8427 * _scsih_probe_devices - probing for devices
8428 * @ioc: per adapter object
8429 *
8430 * Called during initial loading of the driver.
8431 */
8432static void
8433_scsih_probe_devices(struct MPT3SAS_ADAPTER *ioc)
8434{
8435 u16 volume_mapping_flags;
8436
8437 if (!(ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR))
8438 return; /* return when IOC doesn't support initiator mode */
8439
8440 _scsih_probe_boot_devices(ioc);
8441
8442 if (ioc->ir_firmware) {
8443 volume_mapping_flags =
8444 le16_to_cpu(ioc->ioc_pg8.IRVolumeMappingFlags) &
8445 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
8446 if (volume_mapping_flags ==
8447 MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
8448 _scsih_probe_raid(ioc);
8449 _scsih_probe_sas(ioc);
8450 } else {
8451 _scsih_probe_sas(ioc);
8452 _scsih_probe_raid(ioc);
8453 }
8454 } else
8455 _scsih_probe_sas(ioc);
8456}
8457
8458/**
8a7e4c24 8459 * scsih_scan_start - scsi lld callback for .scan_start
f92363d1
SR		 8460 * @shost: SCSI host pointer
8461 *
8462 * The shost has the ability to discover targets on its own instead
8463 * of scanning the entire bus. In our implemention, we will kick off
8464 * firmware discovery.
8465 */
8bbb1cf6 8466static void
8a7e4c24 8467scsih_scan_start(struct Scsi_Host *shost)
f92363d1
SR		 8468{
8469 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8470 int rc;
8471 if (diag_buffer_enable != -1 && diag_buffer_enable != 0)
8472 mpt3sas_enable_diag_buffer(ioc, diag_buffer_enable);
8473
8474 if (disable_discovery > 0)
8475 return;
8476
8477 ioc->start_scan = 1;
8478 rc = mpt3sas_port_enable(ioc);
8479
8480 if (rc != 0)
8481 pr_info(MPT3SAS_FMT "port enable: FAILED\n", ioc->name);
8482}
8483
8484/**
8a7e4c24 8485 * scsih_scan_finished - scsi lld callback for .scan_finished
f92363d1
SR		 8486 * @shost: SCSI host pointer
8487 * @time: elapsed time of the scan in jiffies
8488 *
8489 * This function will be called periodicallyn until it returns 1 with the
8490 * scsi_host and the elapsed time of the scan in jiffies. In our implemention,
8491 * we wait for firmware discovery to complete, then return 1.
8492 */
8bbb1cf6 8493static int
8a7e4c24 8494scsih_scan_finished(struct Scsi_Host *shost, unsigned long time)
f92363d1
SR		 8495{
8496 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8497
8498 if (disable_discovery > 0) {
8499 ioc->is_driver_loading = 0;
8500 ioc->wait_for_discovery_to_complete = 0;
8501 return 1;
8502 }
8503
8504 if (time >= (300 * HZ)) {
8505 ioc->base_cmds.status = MPT3_CMD_NOT_USED;
8506 pr_info(MPT3SAS_FMT
8507 "port enable: FAILED with timeout (timeout=300s)\n",
8508 ioc->name);
8509 ioc->is_driver_loading = 0;
8510 return 1;
8511 }
8512
8513 if (ioc->start_scan)
8514 return 0;
8515
8516 if (ioc->start_scan_failed) {
8517 pr_info(MPT3SAS_FMT
8518 "port enable: FAILED with (ioc_status=0x%08x)\n",
8519 ioc->name, ioc->start_scan_failed);
8520 ioc->is_driver_loading = 0;
8521 ioc->wait_for_discovery_to_complete = 0;
8522 ioc->remove_host = 1;
8523 return 1;
8524 }
8525
8526 pr_info(MPT3SAS_FMT "port enable: SUCCESS\n", ioc->name);
8527 ioc->base_cmds.status = MPT3_CMD_NOT_USED;
8528
8529 if (ioc->wait_for_discovery_to_complete) {
8530 ioc->wait_for_discovery_to_complete = 0;
8531 _scsih_probe_devices(ioc);
8532 }
8533 mpt3sas_base_start_watchdog(ioc);
8534 ioc->is_driver_loading = 0;
8535 return 1;
8536}
8537
c84b06a4
SR		 8538/* shost template for SAS 2.0 HBA devices */
8539static struct scsi_host_template mpt2sas_driver_template = {
8540 .module = THIS_MODULE,
8541 .name = "Fusion MPT SAS Host",
8542 .proc_name = MPT2SAS_DRIVER_NAME,
8543 .queuecommand = scsih_qcmd,
8544 .target_alloc = scsih_target_alloc,
8545 .slave_alloc = scsih_slave_alloc,
8546 .slave_configure = scsih_slave_configure,
8547 .target_destroy = scsih_target_destroy,
8548 .slave_destroy = scsih_slave_destroy,
8549 .scan_finished = scsih_scan_finished,
8550 .scan_start = scsih_scan_start,
8551 .change_queue_depth = scsih_change_queue_depth,
8552 .eh_abort_handler = scsih_abort,
8553 .eh_device_reset_handler = scsih_dev_reset,
8554 .eh_target_reset_handler = scsih_target_reset,
8555 .eh_host_reset_handler = scsih_host_reset,
8556 .bios_param = scsih_bios_param,
8557 .can_queue = 1,
8558 .this_id = -1,
8559 .sg_tablesize = MPT2SAS_SG_DEPTH,
8560 .max_sectors = 32767,
8561 .cmd_per_lun = 7,
8562 .use_clustering = ENABLE_CLUSTERING,
8563 .shost_attrs = mpt3sas_host_attrs,
8564 .sdev_attrs = mpt3sas_dev_attrs,
8565 .track_queue_depth = 1,
8566};
8567
8568/* raid transport support for SAS 2.0 HBA devices */
8569static struct raid_function_template mpt2sas_raid_functions = {
8570 .cookie = &mpt2sas_driver_template,
8571 .is_raid = scsih_is_raid,
8572 .get_resync = scsih_get_resync,
8573 .get_state = scsih_get_state,
8574};
d357e84d 8575
c84b06a4
SR		 8576/* shost template for SAS 3.0 HBA devices */
8577static struct scsi_host_template mpt3sas_driver_template = {
8578 .module = THIS_MODULE,
8579 .name = "Fusion MPT SAS Host",
8580 .proc_name = MPT3SAS_DRIVER_NAME,
8581 .queuecommand = scsih_qcmd,
8582 .target_alloc = scsih_target_alloc,
8583 .slave_alloc = scsih_slave_alloc,
8584 .slave_configure = scsih_slave_configure,
8585 .target_destroy = scsih_target_destroy,
8586 .slave_destroy = scsih_slave_destroy,
8587 .scan_finished = scsih_scan_finished,
8588 .scan_start = scsih_scan_start,
8589 .change_queue_depth = scsih_change_queue_depth,
8590 .eh_abort_handler = scsih_abort,
8591 .eh_device_reset_handler = scsih_dev_reset,
8592 .eh_target_reset_handler = scsih_target_reset,
8593 .eh_host_reset_handler = scsih_host_reset,
8594 .bios_param = scsih_bios_param,
8595 .can_queue = 1,
8596 .this_id = -1,
8597 .sg_tablesize = MPT3SAS_SG_DEPTH,
8598 .max_sectors = 32767,
8599 .cmd_per_lun = 7,
8600 .use_clustering = ENABLE_CLUSTERING,
8601 .shost_attrs = mpt3sas_host_attrs,
8602 .sdev_attrs = mpt3sas_dev_attrs,
8603 .track_queue_depth = 1,
8604};
8605
8606/* raid transport support for SAS 3.0 HBA devices */
8607static struct raid_function_template mpt3sas_raid_functions = {
8608 .cookie = &mpt3sas_driver_template,
8609 .is_raid = scsih_is_raid,
8610 .get_resync = scsih_get_resync,
8611 .get_state = scsih_get_state,
8612};
8613
8614/**
8615 * _scsih_determine_hba_mpi_version - determine in which MPI version class
8616 * this device belongs to.
8617 * @pdev: PCI device struct
8618 *
8619 * return MPI2_VERSION for SAS 2.0 HBA devices,
b130b0d5
SS		 8620 * MPI25_VERSION for SAS 3.0 HBA devices, and
8621 * MPI26 VERSION for Cutlass & Invader SAS 3.0 HBA devices
c84b06a4 8622 */
8bbb1cf6 8623static u16
c84b06a4
SR		 8624_scsih_determine_hba_mpi_version(struct pci_dev *pdev)
8625{
8626
8627 switch (pdev->device) {
7786ab6a 8628 case MPI2_MFGPAGE_DEVID_SSS6200:
d357e84d
SR		 8629 case MPI2_MFGPAGE_DEVID_SAS2004:
8630 case MPI2_MFGPAGE_DEVID_SAS2008:
8631 case MPI2_MFGPAGE_DEVID_SAS2108_1:
8632 case MPI2_MFGPAGE_DEVID_SAS2108_2:
8633 case MPI2_MFGPAGE_DEVID_SAS2108_3:
8634 case MPI2_MFGPAGE_DEVID_SAS2116_1:
8635 case MPI2_MFGPAGE_DEVID_SAS2116_2:
8636 case MPI2_MFGPAGE_DEVID_SAS2208_1:
8637 case MPI2_MFGPAGE_DEVID_SAS2208_2:
8638 case MPI2_MFGPAGE_DEVID_SAS2208_3:
8639 case MPI2_MFGPAGE_DEVID_SAS2208_4:
8640 case MPI2_MFGPAGE_DEVID_SAS2208_5:
8641 case MPI2_MFGPAGE_DEVID_SAS2208_6:
8642 case MPI2_MFGPAGE_DEVID_SAS2308_1:
8643 case MPI2_MFGPAGE_DEVID_SAS2308_2:
8644 case MPI2_MFGPAGE_DEVID_SAS2308_3:
c84b06a4 8645 return MPI2_VERSION;
d357e84d
SR		 8646 case MPI25_MFGPAGE_DEVID_SAS3004:
8647 case MPI25_MFGPAGE_DEVID_SAS3008:
8648 case MPI25_MFGPAGE_DEVID_SAS3108_1:
8649 case MPI25_MFGPAGE_DEVID_SAS3108_2:
8650 case MPI25_MFGPAGE_DEVID_SAS3108_5:
8651 case MPI25_MFGPAGE_DEVID_SAS3108_6:
c84b06a4 8652 return MPI25_VERSION;
b130b0d5
SS		 8653 case MPI26_MFGPAGE_DEVID_SAS3216:
8654 case MPI26_MFGPAGE_DEVID_SAS3224:
8655 case MPI26_MFGPAGE_DEVID_SAS3316_1:
8656 case MPI26_MFGPAGE_DEVID_SAS3316_2:
8657 case MPI26_MFGPAGE_DEVID_SAS3316_3:
8658 case MPI26_MFGPAGE_DEVID_SAS3316_4:
8659 case MPI26_MFGPAGE_DEVID_SAS3324_1:
8660 case MPI26_MFGPAGE_DEVID_SAS3324_2:
8661 case MPI26_MFGPAGE_DEVID_SAS3324_3:
8662 case MPI26_MFGPAGE_DEVID_SAS3324_4:
8663 return MPI26_VERSION;
d357e84d 8664 }
c84b06a4 8665 return 0;
d357e84d
SR		 8666}
8667
f92363d1 8668/**
c84b06a4 8669 * _scsih_probe - attach and add scsi host
f92363d1
SR		 8670 * @pdev: PCI device struct
8671 * @id: pci device id
8672 *
8673 * Returns 0 success, anything else error.
8674 */
8bbb1cf6 8675static int
c84b06a4 8676_scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
f92363d1
SR		 8677{
8678 struct MPT3SAS_ADAPTER *ioc;
c84b06a4 8679 struct Scsi_Host *shost = NULL;
b65f1d4d 8680 int rv;
c84b06a4
SR		 8681 u16 hba_mpi_version;
8682
8683 /* Determine in which MPI version class this pci device belongs */
8684 hba_mpi_version = _scsih_determine_hba_mpi_version(pdev);
8685 if (hba_mpi_version == 0)
8686 return -ENODEV;
8687
8688 /* Enumerate only SAS 2.0 HBA's if hbas_to_enumerate is one,
8689 * for other generation HBA's return with -ENODEV
8690 */
8691 if ((hbas_to_enumerate == 1) && (hba_mpi_version != MPI2_VERSION))
8692 return -ENODEV;
8693
8694 /* Enumerate only SAS 3.0 HBA's if hbas_to_enumerate is two,
8695 * for other generation HBA's return with -ENODEV
8696 */
b130b0d5
SS		 8697 if ((hbas_to_enumerate == 2) && (!(hba_mpi_version == MPI25_VERSION
8698 || hba_mpi_version == MPI26_VERSION)))
c84b06a4
SR		 8699 return -ENODEV;
8700
8701 switch (hba_mpi_version) {
8702 case MPI2_VERSION:
8703 /* Use mpt2sas driver host template for SAS 2.0 HBA's */
8704 shost = scsi_host_alloc(&mpt2sas_driver_template,
8705 sizeof(struct MPT3SAS_ADAPTER));
8706 if (!shost)
8707 return -ENODEV;
8708 ioc = shost_priv(shost);
8709 memset(ioc, 0, sizeof(struct MPT3SAS_ADAPTER));
8710 ioc->hba_mpi_version_belonged = hba_mpi_version;
8711 ioc->id = mpt2_ids++;
8712 sprintf(ioc->driver_name, "%s", MPT2SAS_DRIVER_NAME);
8713 if (pdev->device == MPI2_MFGPAGE_DEVID_SSS6200) {
8714 ioc->is_warpdrive = 1;
8715 ioc->hide_ir_msg = 1;
8716 } else
8717 ioc->mfg_pg10_hide_flag = MFG_PAGE10_EXPOSE_ALL_DISKS;
8718 break;
8719 case MPI25_VERSION:
b130b0d5 8720 case MPI26_VERSION:
c84b06a4
SR		 8721 /* Use mpt3sas driver host template for SAS 3.0 HBA's */
8722 shost = scsi_host_alloc(&mpt3sas_driver_template,
8723 sizeof(struct MPT3SAS_ADAPTER));
8724 if (!shost)
8725 return -ENODEV;
8726 ioc = shost_priv(shost);
8727 memset(ioc, 0, sizeof(struct MPT3SAS_ADAPTER));
8728 ioc->hba_mpi_version_belonged = hba_mpi_version;
8729 ioc->id = mpt3_ids++;
8730 sprintf(ioc->driver_name, "%s", MPT3SAS_DRIVER_NAME);
b130b0d5
SS		 8731 if ((ioc->hba_mpi_version_belonged == MPI25_VERSION &&
8732 pdev->revision >= SAS3_PCI_DEVICE_C0_REVISION) ||
8733 (ioc->hba_mpi_version_belonged == MPI26_VERSION))
c84b06a4
SR		 8734 ioc->msix96_vector = 1;
8735 break;
8736 default:
8737 return -ENODEV;
8738 }
f92363d1 8739
f92363d1 8740 INIT_LIST_HEAD(&ioc->list);
08c4d550 8741 spin_lock(&gioc_lock);
f92363d1 8742 list_add_tail(&ioc->list, &mpt3sas_ioc_list);
08c4d550 8743 spin_unlock(&gioc_lock);
f92363d1 8744 ioc->shost = shost;
f92363d1
SR		 8745 ioc->pdev = pdev;
8746 ioc->scsi_io_cb_idx = scsi_io_cb_idx;
8747 ioc->tm_cb_idx = tm_cb_idx;
8748 ioc->ctl_cb_idx = ctl_cb_idx;
8749 ioc->base_cb_idx = base_cb_idx;
8750 ioc->port_enable_cb_idx = port_enable_cb_idx;
8751 ioc->transport_cb_idx = transport_cb_idx;
8752 ioc->scsih_cb_idx = scsih_cb_idx;
8753 ioc->config_cb_idx = config_cb_idx;
8754 ioc->tm_tr_cb_idx = tm_tr_cb_idx;
8755 ioc->tm_tr_volume_cb_idx = tm_tr_volume_cb_idx;
8756 ioc->tm_sas_control_cb_idx = tm_sas_control_cb_idx;
8757 ioc->logging_level = logging_level;
8758 ioc->schedule_dead_ioc_flush_running_cmds = &_scsih_flush_running_cmds;
8759 /* misc semaphores and spin locks */
8760 mutex_init(&ioc->reset_in_progress_mutex);
08c4d550
SR		 8761 /* initializing pci_access_mutex lock */
8762 mutex_init(&ioc->pci_access_mutex);
f92363d1
SR		 8763 spin_lock_init(&ioc->ioc_reset_in_progress_lock);
8764 spin_lock_init(&ioc->scsi_lookup_lock);
8765 spin_lock_init(&ioc->sas_device_lock);
8766 spin_lock_init(&ioc->sas_node_lock);
8767 spin_lock_init(&ioc->fw_event_lock);
8768 spin_lock_init(&ioc->raid_device_lock);
8769 spin_lock_init(&ioc->diag_trigger_lock);
8770
8771 INIT_LIST_HEAD(&ioc->sas_device_list);
8772 INIT_LIST_HEAD(&ioc->sas_device_init_list);
8773 INIT_LIST_HEAD(&ioc->sas_expander_list);
8774 INIT_LIST_HEAD(&ioc->fw_event_list);
8775 INIT_LIST_HEAD(&ioc->raid_device_list);
8776 INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list);
8777 INIT_LIST_HEAD(&ioc->delayed_tr_list);
fd0331b3
SS		 8778 INIT_LIST_HEAD(&ioc->delayed_sc_list);
8779 INIT_LIST_HEAD(&ioc->delayed_event_ack_list);
f92363d1 8780 INIT_LIST_HEAD(&ioc->delayed_tr_volume_list);
cf9bd21a 8781 INIT_LIST_HEAD(&ioc->reply_queue_list);
f92363d1 8782
c84b06a4 8783 sprintf(ioc->name, "%s_cm%d", ioc->driver_name, ioc->id);
d357e84d 8784
f92363d1
SR		 8785 /* init shost parameters */
8786 shost->max_cmd_len = 32;
8787 shost->max_lun = max_lun;
8788 shost->transportt = mpt3sas_transport_template;
8789 shost->unique_id = ioc->id;
8790
8791 if (max_sectors != 0xFFFF) {
8792 if (max_sectors < 64) {
8793 shost->max_sectors = 64;
8794 pr_warn(MPT3SAS_FMT "Invalid value %d passed " \
8795 "for max_sectors, range is 64 to 32767. Assigning "
8796 "value of 64.\n", ioc->name, max_sectors);
8797 } else if (max_sectors > 32767) {
8798 shost->max_sectors = 32767;
8799 pr_warn(MPT3SAS_FMT "Invalid value %d passed " \
8800 "for max_sectors, range is 64 to 32767. Assigning "
8801 "default value of 32767.\n", ioc->name,
8802 max_sectors);
8803 } else {
8804 shost->max_sectors = max_sectors & 0xFFFE;
8805 pr_info(MPT3SAS_FMT
8806 "The max_sectors value is set to %d\n",
8807 ioc->name, shost->max_sectors);
8808 }
8809 }
8810
f92363d1
SR		 8811 /* register EEDP capabilities with SCSI layer */
8812 if (prot_mask > 0)
8813 scsi_host_set_prot(shost, prot_mask);
8814 else
8815 scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION
8816 | SHOST_DIF_TYPE2_PROTECTION
8817 | SHOST_DIF_TYPE3_PROTECTION);
8818
8819 scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC);
8820
8821 /* event thread */
8822 snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name),
c84b06a4 8823 "fw_event_%s%d", ioc->driver_name, ioc->id);
bdff785e
SR		 8824 ioc->firmware_event_thread = alloc_ordered_workqueue(
8825 ioc->firmware_event_name, WQ_MEM_RECLAIM);
f92363d1
SR		 8826 if (!ioc->firmware_event_thread) {
8827 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
8828 ioc->name, __FILE__, __LINE__, __func__);
b65f1d4d 8829 rv = -ENODEV;
f92363d1
SR		 8830 goto out_thread_fail;
8831 }
8832
8833 ioc->is_driver_loading = 1;
8834 if ((mpt3sas_base_attach(ioc))) {
8835 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
8836 ioc->name, __FILE__, __LINE__, __func__);
b65f1d4d 8837 rv = -ENODEV;
f92363d1
SR		 8838 goto out_attach_fail;
8839 }
7786ab6a 8840
7786ab6a
SR		 8841 if (ioc->is_warpdrive) {
8842 if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_EXPOSE_ALL_DISKS)
8843 ioc->hide_drives = 0;
8844 else if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_HIDE_ALL_DISKS)
8845 ioc->hide_drives = 1;
8846 else {
c84b06a4 8847 if (mpt3sas_get_num_volumes(ioc))
7786ab6a
SR		 8848 ioc->hide_drives = 1;
8849 else
8850 ioc->hide_drives = 0;
8851 }
8852 } else
8853 ioc->hide_drives = 0;
7786ab6a 8854
b65f1d4d
SR		 8855 rv = scsi_add_host(shost, &pdev->dev);
8856 if (rv) {
4dc06fd8
RS		 8857 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
8858 ioc->name, __FILE__, __LINE__, __func__);
4dc06fd8
RS		 8859 goto out_add_shost_fail;
8860 }
8861
f92363d1
SR		 8862 scsi_scan_host(shost);
8863 return 0;
4dc06fd8
RS		 8864out_add_shost_fail:
8865 mpt3sas_base_detach(ioc);
f92363d1
SR		 8866 out_attach_fail:
8867 destroy_workqueue(ioc->firmware_event_thread);
8868 out_thread_fail:
08c4d550 8869 spin_lock(&gioc_lock);
f92363d1 8870 list_del(&ioc->list);
08c4d550 8871 spin_unlock(&gioc_lock);
f92363d1 8872 scsi_host_put(shost);
b65f1d4d 8873 return rv;
f92363d1
SR		 8874}
8875
8876#ifdef CONFIG_PM
8877/**
8a7e4c24 8878 * scsih_suspend - power management suspend main entry point
f92363d1
SR		 8879 * @pdev: PCI device struct
8880 * @state: PM state change to (usually PCI_D3)
8881 *
8882 * Returns 0 success, anything else error.
8883 */
8bbb1cf6 8884static int
8a7e4c24 8885scsih_suspend(struct pci_dev *pdev, pm_message_t state)
f92363d1
SR		 8886{
8887 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8888 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8889 pci_power_t device_state;
8890
8891 mpt3sas_base_stop_watchdog(ioc);
8892 flush_scheduled_work();
8893 scsi_block_requests(shost);
8894 device_state = pci_choose_state(pdev, state);
8895 pr_info(MPT3SAS_FMT
8896 "pdev=0x%p, slot=%s, entering operating state [D%d]\n",
8897 ioc->name, pdev, pci_name(pdev), device_state);
8898
8899 pci_save_state(pdev);
8900 mpt3sas_base_free_resources(ioc);
8901 pci_set_power_state(pdev, device_state);
8902 return 0;
8903}
8904
8905/**
8a7e4c24 8906 * scsih_resume - power management resume main entry point
f92363d1
SR		 8907 * @pdev: PCI device struct
8908 *
8909 * Returns 0 success, anything else error.
8910 */
8bbb1cf6 8911static int
8a7e4c24 8912scsih_resume(struct pci_dev *pdev)
f92363d1
SR		 8913{
8914 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8915 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8916 pci_power_t device_state = pdev->current_state;
8917 int r;
8918
8919 pr_info(MPT3SAS_FMT
8920 "pdev=0x%p, slot=%s, previous operating state [D%d]\n",
8921 ioc->name, pdev, pci_name(pdev), device_state);
8922
8923 pci_set_power_state(pdev, PCI_D0);
8924 pci_enable_wake(pdev, PCI_D0, 0);
8925 pci_restore_state(pdev);
8926 ioc->pdev = pdev;
8927 r = mpt3sas_base_map_resources(ioc);
8928 if (r)
8929 return r;
8930
98c56ad3 8931 mpt3sas_base_hard_reset_handler(ioc, SOFT_RESET);
f92363d1
SR		 8932 scsi_unblock_requests(shost);
8933 mpt3sas_base_start_watchdog(ioc);
8934 return 0;
8935}
8936#endif /* CONFIG_PM */
8937
8938/**
8a7e4c24 8939 * scsih_pci_error_detected - Called when a PCI error is detected.
f92363d1
SR		 8940 * @pdev: PCI device struct
8941 * @state: PCI channel state
8942 *
8943 * Description: Called when a PCI error is detected.
8944 *
8945 * Return value:
8946 * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT
8947 */
8bbb1cf6 8948static pci_ers_result_t
8a7e4c24 8949scsih_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
f92363d1
SR		 8950{
8951 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8952 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8953
8954 pr_info(MPT3SAS_FMT "PCI error: detected callback, state(%d)!!\n",
8955 ioc->name, state);
8956
8957 switch (state) {
8958 case pci_channel_io_normal:
8959 return PCI_ERS_RESULT_CAN_RECOVER;
8960 case pci_channel_io_frozen:
8961 /* Fatal error, prepare for slot reset */
8962 ioc->pci_error_recovery = 1;
8963 scsi_block_requests(ioc->shost);
8964 mpt3sas_base_stop_watchdog(ioc);
8965 mpt3sas_base_free_resources(ioc);
8966 return PCI_ERS_RESULT_NEED_RESET;
8967 case pci_channel_io_perm_failure:
8968 /* Permanent error, prepare for device removal */
8969 ioc->pci_error_recovery = 1;
8970 mpt3sas_base_stop_watchdog(ioc);
8971 _scsih_flush_running_cmds(ioc);
8972 return PCI_ERS_RESULT_DISCONNECT;
8973 }
8974 return PCI_ERS_RESULT_NEED_RESET;
8975}
8976
8977/**
8a7e4c24 8978 * scsih_pci_slot_reset - Called when PCI slot has been reset.
f92363d1
SR		 8979 * @pdev: PCI device struct
8980 *
8981 * Description: This routine is called by the pci error recovery
8982 * code after the PCI slot has been reset, just before we
8983 * should resume normal operations.
8984 */
8bbb1cf6 8985static pci_ers_result_t
8a7e4c24 8986scsih_pci_slot_reset(struct pci_dev *pdev)
f92363d1
SR		 8987{
8988 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8989 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8990 int rc;
8991
8992 pr_info(MPT3SAS_FMT "PCI error: slot reset callback!!\n",
8993 ioc->name);
8994
8995 ioc->pci_error_recovery = 0;
8996 ioc->pdev = pdev;
8997 pci_restore_state(pdev);
8998 rc = mpt3sas_base_map_resources(ioc);
8999 if (rc)
9000 return PCI_ERS_RESULT_DISCONNECT;
9001
98c56ad3 9002 rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
f92363d1
SR		 9003
9004 pr_warn(MPT3SAS_FMT "hard reset: %s\n", ioc->name,
9005 (rc == 0) ? "success" : "failed");
9006
9007 if (!rc)
9008 return PCI_ERS_RESULT_RECOVERED;
9009 else
9010 return PCI_ERS_RESULT_DISCONNECT;
9011}
9012
9013/**
8a7e4c24 9014 * scsih_pci_resume() - resume normal ops after PCI reset
f92363d1
SR		 9015 * @pdev: pointer to PCI device
9016 *
9017 * Called when the error recovery driver tells us that its
9018 * OK to resume normal operation. Use completion to allow
9019 * halted scsi ops to resume.
9020 */
8bbb1cf6 9021static void
8a7e4c24 9022scsih_pci_resume(struct pci_dev *pdev)
f92363d1
SR		 9023{
9024 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9025 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
9026
9027 pr_info(MPT3SAS_FMT "PCI error: resume callback!!\n", ioc->name);
9028
9029 pci_cleanup_aer_uncorrect_error_status(pdev);
9030 mpt3sas_base_start_watchdog(ioc);
9031 scsi_unblock_requests(ioc->shost);
9032}
9033
9034/**
8a7e4c24 9035 * scsih_pci_mmio_enabled - Enable MMIO and dump debug registers
f92363d1
SR		 9036 * @pdev: pointer to PCI device
9037 */
8bbb1cf6 9038static pci_ers_result_t
8a7e4c24 9039scsih_pci_mmio_enabled(struct pci_dev *pdev)
f92363d1
SR		 9040{
9041 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9042 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
9043
9044 pr_info(MPT3SAS_FMT "PCI error: mmio enabled callback!!\n",
9045 ioc->name);
9046
9047 /* TODO - dump whatever for debugging purposes */
9048
83c3d340
KW		 9049 /* This called only if scsih_pci_error_detected returns
9050 * PCI_ERS_RESULT_CAN_RECOVER. Read/write to the device still
9051 * works, no need to reset slot.
9052 */
9053 return PCI_ERS_RESULT_RECOVERED;
f92363d1
SR		 9054}
9055
c84b06a4
SR		 9056/*
9057 * The pci device ids are defined in mpi/mpi2_cnfg.h.
9058 */
9059static const struct pci_device_id mpt3sas_pci_table[] = {
9060 /* Spitfire ~ 2004 */
9061 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004,
9062 PCI_ANY_ID, PCI_ANY_ID },
9063 /* Falcon ~ 2008 */
9064 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008,
9065 PCI_ANY_ID, PCI_ANY_ID },
9066 /* Liberator ~ 2108 */
9067 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1,
9068 PCI_ANY_ID, PCI_ANY_ID },
9069 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2,
9070 PCI_ANY_ID, PCI_ANY_ID },
9071 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3,
9072 PCI_ANY_ID, PCI_ANY_ID },
9073 /* Meteor ~ 2116 */
9074 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1,
9075 PCI_ANY_ID, PCI_ANY_ID },
9076 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2,
9077 PCI_ANY_ID, PCI_ANY_ID },
9078 /* Thunderbolt ~ 2208 */
9079 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1,
9080 PCI_ANY_ID, PCI_ANY_ID },
9081 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_2,
9082 PCI_ANY_ID, PCI_ANY_ID },
9083 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_3,
9084 PCI_ANY_ID, PCI_ANY_ID },
9085 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_4,
9086 PCI_ANY_ID, PCI_ANY_ID },
9087 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_5,
9088 PCI_ANY_ID, PCI_ANY_ID },
9089 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6,
9090 PCI_ANY_ID, PCI_ANY_ID },
9091 /* Mustang ~ 2308 */
9092 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_1,
9093 PCI_ANY_ID, PCI_ANY_ID },
9094 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2,
9095 PCI_ANY_ID, PCI_ANY_ID },
9096 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_3,
9097 PCI_ANY_ID, PCI_ANY_ID },
9098 /* SSS6200 */
9099 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SSS6200,
9100 PCI_ANY_ID, PCI_ANY_ID },
9101 /* Fury ~ 3004 and 3008 */
9102 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3004,
9103 PCI_ANY_ID, PCI_ANY_ID },
9104 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3008,
9105 PCI_ANY_ID, PCI_ANY_ID },
9106 /* Invader ~ 3108 */
9107 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_1,
9108 PCI_ANY_ID, PCI_ANY_ID },
9109 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_2,
9110 PCI_ANY_ID, PCI_ANY_ID },
9111 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_5,
9112 PCI_ANY_ID, PCI_ANY_ID },
9113 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_6,
9114 PCI_ANY_ID, PCI_ANY_ID },
b130b0d5
SS		 9115 /* Cutlass ~ 3216 and 3224 */
9116 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3216,
9117 PCI_ANY_ID, PCI_ANY_ID },
9118 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3224,
9119 PCI_ANY_ID, PCI_ANY_ID },
9120 /* Intruder ~ 3316 and 3324 */
9121 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_1,
9122 PCI_ANY_ID, PCI_ANY_ID },
9123 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_2,
9124 PCI_ANY_ID, PCI_ANY_ID },
9125 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_3,
9126 PCI_ANY_ID, PCI_ANY_ID },
9127 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_4,
9128 PCI_ANY_ID, PCI_ANY_ID },
9129 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_1,
9130 PCI_ANY_ID, PCI_ANY_ID },
9131 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_2,
9132 PCI_ANY_ID, PCI_ANY_ID },
9133 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_3,
9134 PCI_ANY_ID, PCI_ANY_ID },
9135 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_4,
9136 PCI_ANY_ID, PCI_ANY_ID },
c84b06a4
SR		 9137 {0} /* Terminating entry */
9138};
9139MODULE_DEVICE_TABLE(pci, mpt3sas_pci_table);
9140
9141static struct pci_error_handlers _mpt3sas_err_handler = {
9142 .error_detected = scsih_pci_error_detected,
9143 .mmio_enabled = scsih_pci_mmio_enabled,
9144 .slot_reset = scsih_pci_slot_reset,
9145 .resume = scsih_pci_resume,
9146};
9147
9148static struct pci_driver mpt3sas_driver = {
9149 .name = MPT3SAS_DRIVER_NAME,
9150 .id_table = mpt3sas_pci_table,
9151 .probe = _scsih_probe,
9152 .remove = scsih_remove,
9153 .shutdown = scsih_shutdown,
9154 .err_handler = &_mpt3sas_err_handler,
9155#ifdef CONFIG_PM
9156 .suspend = scsih_suspend,
9157 .resume = scsih_resume,
9158#endif
9159};
9160
f92363d1 9161/**
8a7e4c24 9162 * scsih_init - main entry point for this driver.
f92363d1
SR		 9163 *
9164 * Returns 0 success, anything else error.
9165 */
8bbb1cf6 9166static int
8a7e4c24 9167scsih_init(void)
f92363d1 9168{
c84b06a4
SR		 9169 mpt2_ids = 0;
9170 mpt3_ids = 0;
f92363d1 9171
f92363d1
SR		 9172 mpt3sas_base_initialize_callback_handler();
9173
9174 /* queuecommand callback hander */
9175 scsi_io_cb_idx = mpt3sas_base_register_callback_handler(_scsih_io_done);
9176
9177 /* task managment callback handler */
9178 tm_cb_idx = mpt3sas_base_register_callback_handler(_scsih_tm_done);
9179
9180 /* base internal commands callback handler */
9181 base_cb_idx = mpt3sas_base_register_callback_handler(mpt3sas_base_done);
9182 port_enable_cb_idx = mpt3sas_base_register_callback_handler(
9183 mpt3sas_port_enable_done);
9184
9185 /* transport internal commands callback handler */
9186 transport_cb_idx = mpt3sas_base_register_callback_handler(
9187 mpt3sas_transport_done);
9188
9189 /* scsih internal commands callback handler */
9190 scsih_cb_idx = mpt3sas_base_register_callback_handler(_scsih_done);
9191
9192 /* configuration page API internal commands callback handler */
9193 config_cb_idx = mpt3sas_base_register_callback_handler(
9194 mpt3sas_config_done);
9195
9196 /* ctl module callback handler */
9197 ctl_cb_idx = mpt3sas_base_register_callback_handler(mpt3sas_ctl_done);
9198
9199 tm_tr_cb_idx = mpt3sas_base_register_callback_handler(
9200 _scsih_tm_tr_complete);
9201
9202 tm_tr_volume_cb_idx = mpt3sas_base_register_callback_handler(
9203 _scsih_tm_volume_tr_complete);
9204
9205 tm_sas_control_cb_idx = mpt3sas_base_register_callback_handler(
9206 _scsih_sas_control_complete);
9207
7497392a 9208 return 0;
f92363d1
SR		 9209}
9210
9211/**
7497392a 9212 * scsih_exit - exit point for this driver (when it is a module).
f92363d1
SR		 9213 *
9214 * Returns 0 success, anything else error.
9215 */
8bbb1cf6 9216static void
8a7e4c24 9217scsih_exit(void)
f92363d1 9218{
f92363d1
SR		 9219
9220 mpt3sas_base_release_callback_handler(scsi_io_cb_idx);
9221 mpt3sas_base_release_callback_handler(tm_cb_idx);
9222 mpt3sas_base_release_callback_handler(base_cb_idx);
9223 mpt3sas_base_release_callback_handler(port_enable_cb_idx);
9224 mpt3sas_base_release_callback_handler(transport_cb_idx);
9225 mpt3sas_base_release_callback_handler(scsih_cb_idx);
9226 mpt3sas_base_release_callback_handler(config_cb_idx);
9227 mpt3sas_base_release_callback_handler(ctl_cb_idx);
9228
9229 mpt3sas_base_release_callback_handler(tm_tr_cb_idx);
9230 mpt3sas_base_release_callback_handler(tm_tr_volume_cb_idx);
9231 mpt3sas_base_release_callback_handler(tm_sas_control_cb_idx);
9232
9233/* raid transport support */
c84b06a4
SR		 9234 if (hbas_to_enumerate != 1)
9235 raid_class_release(mpt3sas_raid_template);
9236 if (hbas_to_enumerate != 2)
9237 raid_class_release(mpt2sas_raid_template);
f92363d1
SR		 9238 sas_release_transport(mpt3sas_transport_template);
9239}
7786ab6a 9240
c84b06a4
SR		 9241/**
9242 * _mpt3sas_init - main entry point for this driver.
9243 *
9244 * Returns 0 success, anything else error.
9245 */
9246static int __init
9247_mpt3sas_init(void)
9248{
9249 int error;
9250
9251 pr_info("%s version %s loaded\n", MPT3SAS_DRIVER_NAME,
9252 MPT3SAS_DRIVER_VERSION);
9253
9254 mpt3sas_transport_template =
9255 sas_attach_transport(&mpt3sas_transport_functions);
9256 if (!mpt3sas_transport_template)
9257 return -ENODEV;
9258
9259 /* No need attach mpt3sas raid functions template
9260 * if hbas_to_enumarate value is one.
9261 */
9262 if (hbas_to_enumerate != 1) {
9263 mpt3sas_raid_template =
9264 raid_class_attach(&mpt3sas_raid_functions);
9265 if (!mpt3sas_raid_template) {
9266 sas_release_transport(mpt3sas_transport_template);
9267 return -ENODEV;
9268 }
9269 }
9270
9271 /* No need to attach mpt2sas raid functions template
9272 * if hbas_to_enumarate value is two
9273 */
9274 if (hbas_to_enumerate != 2) {
9275 mpt2sas_raid_template =
9276 raid_class_attach(&mpt2sas_raid_functions);
9277 if (!mpt2sas_raid_template) {
9278 sas_release_transport(mpt3sas_transport_template);
9279 return -ENODEV;
9280 }
9281 }
9282
9283 error = scsih_init();
9284 if (error) {
9285 scsih_exit();
9286 return error;
9287 }
9288
9289 mpt3sas_ctl_init(hbas_to_enumerate);
9290
9291 error = pci_register_driver(&mpt3sas_driver);
9292 if (error)
9293 scsih_exit();
9294
9295 return error;
9296}
9297
9298/**
9299 * _mpt3sas_exit - exit point for this driver (when it is a module).
9300 *
9301 */
9302static void __exit
9303_mpt3sas_exit(void)
9304{
9305 pr_info("mpt3sas version %s unloading\n",
9306 MPT3SAS_DRIVER_VERSION);
9307
9308 pci_unregister_driver(&mpt3sas_driver);
9309
9310 mpt3sas_ctl_exit(hbas_to_enumerate);
9311
9312 scsih_exit();
9313}
9314
9315module_init(_mpt3sas_init);
9316module_exit(_mpt3sas_exit);
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