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mpt3sas: Ensure the connector_name string is NUL-terminated
[linux-2.6-block.git] / drivers / scsi / mpt3sas / mpt3sas_scsih.c
CommitLineData
f92363d1
SR		 1/*
2 * Scsi Host Layer for MPT (Message Passing Technology) based controllers
3 *
4 * This code is based on drivers/scsi/mpt3sas/mpt3sas_scsih.c
a4ffce0d 5 * Copyright (C) 2012-2014 LSI Corporation
a03bd153
SR		 6 * Copyright (C) 2013-2014 Avago Technologies
7 * (mailto: MPT-FusionLinux.pdl@avagotech.com)
f92363d1
SR		 8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2
12 * of the License, or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * NO WARRANTY
20 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
21 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
22 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
23 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
24 * solely responsible for determining the appropriateness of using and
25 * distributing the Program and assumes all risks associated with its
26 * exercise of rights under this Agreement, including but not limited to
27 * the risks and costs of program errors, damage to or loss of data,
28 * programs or equipment, and unavailability or interruption of operations.
29
30 * DISCLAIMER OF LIABILITY
31 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
32 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
34 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
35 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
36 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
37 * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
38
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
42 * USA.
43 */
44
f92363d1
SR		 45#include <linux/module.h>
46#include <linux/kernel.h>
47#include <linux/init.h>
48#include <linux/errno.h>
49#include <linux/blkdev.h>
50#include <linux/sched.h>
51#include <linux/workqueue.h>
52#include <linux/delay.h>
53#include <linux/pci.h>
54#include <linux/interrupt.h>
55#include <linux/aer.h>
56#include <linux/raid_class.h>
7786ab6a 57#include <asm/unaligned.h>
f92363d1
SR		 58
59#include "mpt3sas_base.h"
60
f92363d1
SR		 61#define RAID_CHANNEL 1
62/* forward proto's */
63static void _scsih_expander_node_remove(struct MPT3SAS_ADAPTER *ioc,
64 struct _sas_node *sas_expander);
65static void _firmware_event_work(struct work_struct *work);
66
67static void _scsih_remove_device(struct MPT3SAS_ADAPTER *ioc,
68 struct _sas_device *sas_device);
69static int _scsih_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle,
70 u8 retry_count, u8 is_pd);
71
72static u8 _scsih_check_for_pending_tm(struct MPT3SAS_ADAPTER *ioc, u16 smid);
73
f92363d1
SR		 74/* global parameters */
75LIST_HEAD(mpt3sas_ioc_list);
08c4d550
SR		 76/* global ioc lock for list operations */
77DEFINE_SPINLOCK(gioc_lock);
f92363d1 78
c84b06a4
SR		 79MODULE_AUTHOR(MPT3SAS_AUTHOR);
80MODULE_DESCRIPTION(MPT3SAS_DESCRIPTION);
81MODULE_LICENSE("GPL");
82MODULE_VERSION(MPT3SAS_DRIVER_VERSION);
83MODULE_ALIAS("mpt2sas");
84
f92363d1
SR		 85/* local parameters */
86static u8 scsi_io_cb_idx = -1;
87static u8 tm_cb_idx = -1;
88static u8 ctl_cb_idx = -1;
89static u8 base_cb_idx = -1;
90static u8 port_enable_cb_idx = -1;
91static u8 transport_cb_idx = -1;
92static u8 scsih_cb_idx = -1;
93static u8 config_cb_idx = -1;
c84b06a4
SR		 94static int mpt2_ids;
95static int mpt3_ids;
f92363d1
SR		 96
97static u8 tm_tr_cb_idx = -1 ;
98static u8 tm_tr_volume_cb_idx = -1 ;
99static u8 tm_sas_control_cb_idx = -1;
100
101/* command line options */
102static u32 logging_level;
103MODULE_PARM_DESC(logging_level,
104 " bits for enabling additional logging info (default=0)");
105
106
107static ushort max_sectors = 0xFFFF;
108module_param(max_sectors, ushort, 0);
109MODULE_PARM_DESC(max_sectors, "max sectors, range 64 to 32767 default=32767");
110
111
112static int missing_delay[2] = {-1, -1};
113module_param_array(missing_delay, int, NULL, 0);
114MODULE_PARM_DESC(missing_delay, " device missing delay , io missing delay");
115
116/* scsi-mid layer global parmeter is max_report_luns, which is 511 */
117#define MPT3SAS_MAX_LUN (16895)
1abf635d
HR		 118static u64 max_lun = MPT3SAS_MAX_LUN;
119module_param(max_lun, ullong, 0);
f92363d1
SR		 120MODULE_PARM_DESC(max_lun, " max lun, default=16895 ");
121
c84b06a4
SR		 122static ushort hbas_to_enumerate;
123module_param(hbas_to_enumerate, ushort, 0);
124MODULE_PARM_DESC(hbas_to_enumerate,
125 " 0 - enumerates both SAS 2.0 & SAS 3.0 generation HBAs\n \
126 1 - enumerates only SAS 2.0 generation HBAs\n \
127 2 - enumerates only SAS 3.0 generation HBAs (default=0)");
f92363d1
SR		 128
129/* diag_buffer_enable is bitwise
130 * bit 0 set = TRACE
131 * bit 1 set = SNAPSHOT
132 * bit 2 set = EXTENDED
133 *
134 * Either bit can be set, or both
135 */
136static int diag_buffer_enable = -1;
137module_param(diag_buffer_enable, int, 0);
138MODULE_PARM_DESC(diag_buffer_enable,
139 " post diag buffers (TRACE=1/SNAPSHOT=2/EXTENDED=4/default=0)");
140static int disable_discovery = -1;
141module_param(disable_discovery, int, 0);
142MODULE_PARM_DESC(disable_discovery, " disable discovery ");
143
144
145/* permit overriding the host protection capabilities mask (EEDP/T10 PI) */
146static int prot_mask = -1;
147module_param(prot_mask, int, 0);
148MODULE_PARM_DESC(prot_mask, " host protection capabilities mask, def=7 ");
149
150
151/* raid transport support */
7497392a 152struct raid_template *mpt3sas_raid_template;
c84b06a4 153struct raid_template *mpt2sas_raid_template;
f92363d1
SR		 154
155
156/**
157 * struct sense_info - common structure for obtaining sense keys
158 * @skey: sense key
159 * @asc: additional sense code
160 * @ascq: additional sense code qualifier
161 */
162struct sense_info {
163 u8 skey;
164 u8 asc;
165 u8 ascq;
166};
167
168#define MPT3SAS_PROCESS_TRIGGER_DIAG (0xFFFB)
0f624c39 169#define MPT3SAS_TURN_ON_PFA_LED (0xFFFC)
f92363d1
SR		 170#define MPT3SAS_PORT_ENABLE_COMPLETE (0xFFFD)
171#define MPT3SAS_ABRT_TASK_SET (0xFFFE)
172#define MPT3SAS_REMOVE_UNRESPONDING_DEVICES (0xFFFF)
173/**
174 * struct fw_event_work - firmware event struct
175 * @list: link list framework
176 * @work: work object (ioc->fault_reset_work_q)
f92363d1
SR		 177 * @ioc: per adapter object
178 * @device_handle: device handle
179 * @VF_ID: virtual function id
180 * @VP_ID: virtual port id
181 * @ignore: flag meaning this event has been marked to ignore
b8ac0cc7
JL		 182 * @event: firmware event MPI2_EVENT_XXX defined in mpi2_ioc.h
183 * @refcount: kref for this event
f92363d1
SR		 184 * @event_data: reply event data payload follows
185 *
186 * This object stored on ioc->fw_event_list.
187 */
188struct fw_event_work {
189 struct list_head list;
190 struct work_struct work;
f92363d1
SR		 191
192 struct MPT3SAS_ADAPTER *ioc;
193 u16 device_handle;
194 u8 VF_ID;
195 u8 VP_ID;
196 u8 ignore;
197 u16 event;
146b16c8 198 struct kref refcount;
35b62362 199 char event_data[0] __aligned(4);
f92363d1
SR		 200};
201
146b16c8
SR		 202static void fw_event_work_free(struct kref *r)
203{
204 kfree(container_of(r, struct fw_event_work, refcount));
205}
206
207static void fw_event_work_get(struct fw_event_work *fw_work)
208{
209 kref_get(&fw_work->refcount);
210}
211
212static void fw_event_work_put(struct fw_event_work *fw_work)
213{
214 kref_put(&fw_work->refcount, fw_event_work_free);
215}
216
217static struct fw_event_work *alloc_fw_event_work(int len)
218{
219 struct fw_event_work *fw_event;
220
221 fw_event = kzalloc(sizeof(*fw_event) + len, GFP_ATOMIC);
222 if (!fw_event)
223 return NULL;
224
225 kref_init(&fw_event->refcount);
226 return fw_event;
227}
228
f92363d1
SR		 229/**
230 * struct _scsi_io_transfer - scsi io transfer
231 * @handle: sas device handle (assigned by firmware)
232 * @is_raid: flag set for hidden raid components
233 * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE,
234 * @data_length: data transfer length
235 * @data_dma: dma pointer to data
236 * @sense: sense data
237 * @lun: lun number
238 * @cdb_length: cdb length
239 * @cdb: cdb contents
240 * @timeout: timeout for this command
241 * @VF_ID: virtual function id
242 * @VP_ID: virtual port id
243 * @valid_reply: flag set for reply message
244 * @sense_length: sense length
245 * @ioc_status: ioc status
246 * @scsi_state: scsi state
247 * @scsi_status: scsi staus
248 * @log_info: log information
249 * @transfer_length: data length transfer when there is a reply message
250 *
251 * Used for sending internal scsi commands to devices within this module.
252 * Refer to _scsi_send_scsi_io().
253 */
254struct _scsi_io_transfer {
255 u16 handle;
256 u8 is_raid;
257 enum dma_data_direction dir;
258 u32 data_length;
259 dma_addr_t data_dma;
260 u8 sense[SCSI_SENSE_BUFFERSIZE];
261 u32 lun;
262 u8 cdb_length;
263 u8 cdb[32];
264 u8 timeout;
265 u8 VF_ID;
266 u8 VP_ID;
267 u8 valid_reply;
268 /* the following bits are only valid when 'valid_reply = 1' */
269 u32 sense_length;
270 u16 ioc_status;
271 u8 scsi_state;
272 u8 scsi_status;
273 u32 log_info;
274 u32 transfer_length;
275};
276
f92363d1
SR		 277/**
278 * _scsih_set_debug_level - global setting of ioc->logging_level.
279 *
280 * Note: The logging levels are defined in mpt3sas_debug.h.
281 */
282static int
283_scsih_set_debug_level(const char *val, struct kernel_param *kp)
284{
285 int ret = param_set_int(val, kp);
286 struct MPT3SAS_ADAPTER *ioc;
287
288 if (ret)
289 return ret;
290
291 pr_info("setting logging_level(0x%08x)\n", logging_level);
08c4d550 292 spin_lock(&gioc_lock);
f92363d1
SR		 293 list_for_each_entry(ioc, &mpt3sas_ioc_list, list)
294 ioc->logging_level = logging_level;
08c4d550 295 spin_unlock(&gioc_lock);
f92363d1
SR		 296 return 0;
297}
298module_param_call(logging_level, _scsih_set_debug_level, param_get_int,
299 &logging_level, 0644);
300
301/**
302 * _scsih_srch_boot_sas_address - search based on sas_address
303 * @sas_address: sas address
304 * @boot_device: boot device object from bios page 2
305 *
306 * Returns 1 when there's a match, 0 means no match.
307 */
308static inline int
309_scsih_srch_boot_sas_address(u64 sas_address,
310 Mpi2BootDeviceSasWwid_t *boot_device)
311{
312 return (sas_address == le64_to_cpu(boot_device->SASAddress)) ? 1 : 0;
313}
314
315/**
316 * _scsih_srch_boot_device_name - search based on device name
317 * @device_name: device name specified in INDENTIFY fram
318 * @boot_device: boot device object from bios page 2
319 *
320 * Returns 1 when there's a match, 0 means no match.
321 */
322static inline int
323_scsih_srch_boot_device_name(u64 device_name,
324 Mpi2BootDeviceDeviceName_t *boot_device)
325{
326 return (device_name == le64_to_cpu(boot_device->DeviceName)) ? 1 : 0;
327}
328
329/**
330 * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot
331 * @enclosure_logical_id: enclosure logical id
332 * @slot_number: slot number
333 * @boot_device: boot device object from bios page 2
334 *
335 * Returns 1 when there's a match, 0 means no match.
336 */
337static inline int
338_scsih_srch_boot_encl_slot(u64 enclosure_logical_id, u16 slot_number,
339 Mpi2BootDeviceEnclosureSlot_t *boot_device)
340{
341 return (enclosure_logical_id == le64_to_cpu(boot_device->
342 EnclosureLogicalID) && slot_number == le16_to_cpu(boot_device->
343 SlotNumber)) ? 1 : 0;
344}
345
346/**
347 * _scsih_is_boot_device - search for matching boot device.
348 * @sas_address: sas address
349 * @device_name: device name specified in INDENTIFY fram
350 * @enclosure_logical_id: enclosure logical id
351 * @slot_number: slot number
352 * @form: specifies boot device form
353 * @boot_device: boot device object from bios page 2
354 *
355 * Returns 1 when there's a match, 0 means no match.
356 */
357static int
358_scsih_is_boot_device(u64 sas_address, u64 device_name,
359 u64 enclosure_logical_id, u16 slot, u8 form,
360 Mpi2BiosPage2BootDevice_t *boot_device)
361{
362 int rc = 0;
363
364 switch (form) {
365 case MPI2_BIOSPAGE2_FORM_SAS_WWID:
366 if (!sas_address)
367 break;
368 rc = _scsih_srch_boot_sas_address(
369 sas_address, &boot_device->SasWwid);
370 break;
371 case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT:
372 if (!enclosure_logical_id)
373 break;
374 rc = _scsih_srch_boot_encl_slot(
375 enclosure_logical_id,
376 slot, &boot_device->EnclosureSlot);
377 break;
378 case MPI2_BIOSPAGE2_FORM_DEVICE_NAME:
379 if (!device_name)
380 break;
381 rc = _scsih_srch_boot_device_name(
382 device_name, &boot_device->DeviceName);
383 break;
384 case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED:
385 break;
386 }
387
388 return rc;
389}
390
391/**
392 * _scsih_get_sas_address - set the sas_address for given device handle
393 * @handle: device handle
394 * @sas_address: sas address
395 *
396 * Returns 0 success, non-zero when failure
397 */
398static int
399_scsih_get_sas_address(struct MPT3SAS_ADAPTER *ioc, u16 handle,
400 u64 *sas_address)
401{
402 Mpi2SasDevicePage0_t sas_device_pg0;
403 Mpi2ConfigReply_t mpi_reply;
404 u32 ioc_status;
405
406 *sas_address = 0;
407
408 if (handle <= ioc->sas_hba.num_phys) {
409 *sas_address = ioc->sas_hba.sas_address;
410 return 0;
411 }
412
413 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
414 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
415 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", ioc->name,
416 __FILE__, __LINE__, __func__);
417 return -ENXIO;
418 }
419
420 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
421 if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
422 *sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
423 return 0;
424 }
425
426 /* we hit this becuase the given parent handle doesn't exist */
427 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
428 return -ENXIO;
429
430 /* else error case */
431 pr_err(MPT3SAS_FMT
432 "handle(0x%04x), ioc_status(0x%04x), failure at %s:%d/%s()!\n",
433 ioc->name, handle, ioc_status,
434 __FILE__, __LINE__, __func__);
435 return -EIO;
436}
437
438/**
439 * _scsih_determine_boot_device - determine boot device.
440 * @ioc: per adapter object
441 * @device: either sas_device or raid_device object
442 * @is_raid: [flag] 1 = raid object, 0 = sas object
443 *
444 * Determines whether this device should be first reported device to
445 * to scsi-ml or sas transport, this purpose is for persistent boot device.
446 * There are primary, alternate, and current entries in bios page 2. The order
447 * priority is primary, alternate, then current. This routine saves
448 * the corresponding device object and is_raid flag in the ioc object.
449 * The saved data to be used later in _scsih_probe_boot_devices().
450 */
451static void
452_scsih_determine_boot_device(struct MPT3SAS_ADAPTER *ioc,
453 void *device, u8 is_raid)
454{
455 struct _sas_device *sas_device;
456 struct _raid_device *raid_device;
457 u64 sas_address;
458 u64 device_name;
459 u64 enclosure_logical_id;
460 u16 slot;
461
462 /* only process this function when driver loads */
463 if (!ioc->is_driver_loading)
464 return;
465
466 /* no Bios, return immediately */
467 if (!ioc->bios_pg3.BiosVersion)
468 return;
469
470 if (!is_raid) {
471 sas_device = device;
472 sas_address = sas_device->sas_address;
473 device_name = sas_device->device_name;
474 enclosure_logical_id = sas_device->enclosure_logical_id;
475 slot = sas_device->slot;
476 } else {
477 raid_device = device;
478 sas_address = raid_device->wwid;
479 device_name = 0;
480 enclosure_logical_id = 0;
481 slot = 0;
482 }
483
484 if (!ioc->req_boot_device.device) {
485 if (_scsih_is_boot_device(sas_address, device_name,
486 enclosure_logical_id, slot,
487 (ioc->bios_pg2.ReqBootDeviceForm &
488 MPI2_BIOSPAGE2_FORM_MASK),
489 &ioc->bios_pg2.RequestedBootDevice)) {
490 dinitprintk(ioc, pr_info(MPT3SAS_FMT
491 "%s: req_boot_device(0x%016llx)\n",
492 ioc->name, __func__,
493 (unsigned long long)sas_address));
494 ioc->req_boot_device.device = device;
495 ioc->req_boot_device.is_raid = is_raid;
496 }
497 }
498
499 if (!ioc->req_alt_boot_device.device) {
500 if (_scsih_is_boot_device(sas_address, device_name,
501 enclosure_logical_id, slot,
502 (ioc->bios_pg2.ReqAltBootDeviceForm &
503 MPI2_BIOSPAGE2_FORM_MASK),
504 &ioc->bios_pg2.RequestedAltBootDevice)) {
505 dinitprintk(ioc, pr_info(MPT3SAS_FMT
506 "%s: req_alt_boot_device(0x%016llx)\n",
507 ioc->name, __func__,
508 (unsigned long long)sas_address));
509 ioc->req_alt_boot_device.device = device;
510 ioc->req_alt_boot_device.is_raid = is_raid;
511 }
512 }
513
514 if (!ioc->current_boot_device.device) {
515 if (_scsih_is_boot_device(sas_address, device_name,
516 enclosure_logical_id, slot,
517 (ioc->bios_pg2.CurrentBootDeviceForm &
518 MPI2_BIOSPAGE2_FORM_MASK),
519 &ioc->bios_pg2.CurrentBootDevice)) {
520 dinitprintk(ioc, pr_info(MPT3SAS_FMT
521 "%s: current_boot_device(0x%016llx)\n",
522 ioc->name, __func__,
523 (unsigned long long)sas_address));
524 ioc->current_boot_device.device = device;
525 ioc->current_boot_device.is_raid = is_raid;
526 }
527 }
528}
529
d1cb5e49
SR		 530static struct _sas_device *
531__mpt3sas_get_sdev_from_target(struct MPT3SAS_ADAPTER *ioc,
532 struct MPT3SAS_TARGET *tgt_priv)
533{
534 struct _sas_device *ret;
535
536 assert_spin_locked(&ioc->sas_device_lock);
537
538 ret = tgt_priv->sdev;
539 if (ret)
540 sas_device_get(ret);
541
542 return ret;
543}
544
545static struct _sas_device *
546mpt3sas_get_sdev_from_target(struct MPT3SAS_ADAPTER *ioc,
547 struct MPT3SAS_TARGET *tgt_priv)
548{
549 struct _sas_device *ret;
550 unsigned long flags;
551
552 spin_lock_irqsave(&ioc->sas_device_lock, flags);
553 ret = __mpt3sas_get_sdev_from_target(ioc, tgt_priv);
554 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
555
556 return ret;
557}
558
559
560struct _sas_device *
561__mpt3sas_get_sdev_by_addr(struct MPT3SAS_ADAPTER *ioc,
562 u64 sas_address)
563{
564 struct _sas_device *sas_device;
565
566 assert_spin_locked(&ioc->sas_device_lock);
567
568 list_for_each_entry(sas_device, &ioc->sas_device_list, list)
569 if (sas_device->sas_address == sas_address)
570 goto found_device;
571
572 list_for_each_entry(sas_device, &ioc->sas_device_init_list, list)
573 if (sas_device->sas_address == sas_address)
574 goto found_device;
575
576 return NULL;
577
578found_device:
579 sas_device_get(sas_device);
580 return sas_device;
581}
582
f92363d1 583/**
d1cb5e49 584 * mpt3sas_get_sdev_by_addr - sas device search
f92363d1
SR		 585 * @ioc: per adapter object
586 * @sas_address: sas address
587 * Context: Calling function should acquire ioc->sas_device_lock
588 *
589 * This searches for sas_device based on sas_address, then return sas_device
590 * object.
591 */
592struct _sas_device *
d1cb5e49 593mpt3sas_get_sdev_by_addr(struct MPT3SAS_ADAPTER *ioc,
f92363d1
SR		 594 u64 sas_address)
595{
596 struct _sas_device *sas_device;
d1cb5e49
SR		 597 unsigned long flags;
598
599 spin_lock_irqsave(&ioc->sas_device_lock, flags);
600 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
601 sas_address);
602 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
603
604 return sas_device;
605}
606
607static struct _sas_device *
608__mpt3sas_get_sdev_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
609{
610 struct _sas_device *sas_device;
611
612 assert_spin_locked(&ioc->sas_device_lock);
f92363d1
SR		 613
614 list_for_each_entry(sas_device, &ioc->sas_device_list, list)
d1cb5e49
SR		 615 if (sas_device->handle == handle)
616 goto found_device;
f92363d1
SR		 617
618 list_for_each_entry(sas_device, &ioc->sas_device_init_list, list)
d1cb5e49
SR		 619 if (sas_device->handle == handle)
620 goto found_device;
f92363d1
SR		 621
622 return NULL;
d1cb5e49
SR		 623
624found_device:
625 sas_device_get(sas_device);
626 return sas_device;
f92363d1
SR		 627}
628
629/**
d1cb5e49 630 * mpt3sas_get_sdev_by_handle - sas device search
f92363d1
SR		 631 * @ioc: per adapter object
632 * @handle: sas device handle (assigned by firmware)
633 * Context: Calling function should acquire ioc->sas_device_lock
634 *
635 * This searches for sas_device based on sas_address, then return sas_device
636 * object.
637 */
638static struct _sas_device *
d1cb5e49 639mpt3sas_get_sdev_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
f92363d1
SR		 640{
641 struct _sas_device *sas_device;
d1cb5e49 642 unsigned long flags;
f92363d1 643
d1cb5e49
SR		 644 spin_lock_irqsave(&ioc->sas_device_lock, flags);
645 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
646 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
f92363d1 647
d1cb5e49 648 return sas_device;
f92363d1
SR		 649}
650
651/**
652 * _scsih_sas_device_remove - remove sas_device from list.
653 * @ioc: per adapter object
654 * @sas_device: the sas_device object
655 * Context: This function will acquire ioc->sas_device_lock.
656 *
d1cb5e49 657 * If sas_device is on the list, remove it and decrement its reference count.
f92363d1
SR		 658 */
659static void
660_scsih_sas_device_remove(struct MPT3SAS_ADAPTER *ioc,
661 struct _sas_device *sas_device)
662{
663 unsigned long flags;
664
665 if (!sas_device)
666 return;
e6d45e3e
SR		 667 pr_info(MPT3SAS_FMT
668 "removing handle(0x%04x), sas_addr(0x%016llx)\n",
669 ioc->name, sas_device->handle,
670 (unsigned long long) sas_device->sas_address);
671
672 if (sas_device->enclosure_handle != 0)
673 pr_info(MPT3SAS_FMT
674 "removing enclosure logical id(0x%016llx), slot(%d)\n",
675 ioc->name, (unsigned long long)
676 sas_device->enclosure_logical_id, sas_device->slot);
677
678 if (sas_device->connector_name[0] != '\0')
679 pr_info(MPT3SAS_FMT
680 "removing enclosure level(0x%04x), connector name( %s)\n",
681 ioc->name, sas_device->enclosure_level,
682 sas_device->connector_name);
f92363d1 683
d1cb5e49
SR		 684 /*
685 * The lock serializes access to the list, but we still need to verify
686 * that nobody removed the entry while we were waiting on the lock.
687 */
f92363d1 688 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49
SR		 689 if (!list_empty(&sas_device->list)) {
690 list_del_init(&sas_device->list);
691 sas_device_put(sas_device);
692 }
f92363d1
SR		 693 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
694}
695
696/**
697 * _scsih_device_remove_by_handle - removing device object by handle
698 * @ioc: per adapter object
699 * @handle: device handle
700 *
701 * Return nothing.
702 */
703static void
704_scsih_device_remove_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
705{
706 struct _sas_device *sas_device;
707 unsigned long flags;
708
709 if (ioc->shost_recovery)
710 return;
711
712 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49
SR		 713 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
714 if (sas_device) {
715 list_del_init(&sas_device->list);
716 sas_device_put(sas_device);
717 }
f92363d1 718 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
d1cb5e49 719 if (sas_device) {
f92363d1 720 _scsih_remove_device(ioc, sas_device);
d1cb5e49
SR		 721 sas_device_put(sas_device);
722 }
f92363d1
SR		 723}
724
725/**
726 * mpt3sas_device_remove_by_sas_address - removing device object by sas address
727 * @ioc: per adapter object
728 * @sas_address: device sas_address
729 *
730 * Return nothing.
731 */
732void
733mpt3sas_device_remove_by_sas_address(struct MPT3SAS_ADAPTER *ioc,
734 u64 sas_address)
735{
736 struct _sas_device *sas_device;
737 unsigned long flags;
738
739 if (ioc->shost_recovery)
740 return;
741
742 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49
SR		 743 sas_device = __mpt3sas_get_sdev_by_addr(ioc, sas_address);
744 if (sas_device) {
745 list_del_init(&sas_device->list);
746 sas_device_put(sas_device);
747 }
f92363d1 748 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
d1cb5e49 749 if (sas_device) {
f92363d1 750 _scsih_remove_device(ioc, sas_device);
d1cb5e49
SR		 751 sas_device_put(sas_device);
752 }
f92363d1
SR		 753}
754
755/**
756 * _scsih_sas_device_add - insert sas_device to the list.
757 * @ioc: per adapter object
758 * @sas_device: the sas_device object
759 * Context: This function will acquire ioc->sas_device_lock.
760 *
761 * Adding new object to the ioc->sas_device_list.
762 */
763static void
764_scsih_sas_device_add(struct MPT3SAS_ADAPTER *ioc,
765 struct _sas_device *sas_device)
766{
767 unsigned long flags;
768
769 dewtprintk(ioc, pr_info(MPT3SAS_FMT
770 "%s: handle(0x%04x), sas_addr(0x%016llx)\n",
771 ioc->name, __func__, sas_device->handle,
772 (unsigned long long)sas_device->sas_address));
773
e6d45e3e
SR		 774 if (sas_device->enclosure_handle != 0)
775 dewtprintk(ioc, pr_info(MPT3SAS_FMT
776 "%s: enclosure logical id(0x%016llx), slot( %d)\n",
777 ioc->name, __func__, (unsigned long long)
778 sas_device->enclosure_logical_id, sas_device->slot));
779
780 if (sas_device->connector_name[0] != '\0')
781 dewtprintk(ioc, pr_info(MPT3SAS_FMT
782 "%s: enclosure level(0x%04x), connector name( %s)\n",
783 ioc->name, __func__,
784 sas_device->enclosure_level, sas_device->connector_name));
785
f92363d1 786 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 787 sas_device_get(sas_device);
f92363d1
SR		 788 list_add_tail(&sas_device->list, &ioc->sas_device_list);
789 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
790
791 if (!mpt3sas_transport_port_add(ioc, sas_device->handle,
792 sas_device->sas_address_parent)) {
793 _scsih_sas_device_remove(ioc, sas_device);
794 } else if (!sas_device->starget) {
795 /*
796 * When asyn scanning is enabled, its not possible to remove
797 * devices while scanning is turned on due to an oops in
798 * scsi_sysfs_add_sdev()->add_device()->sysfs_addrm_start()
799 */
f5edbe77 800 if (!ioc->is_driver_loading) {
f92363d1
SR		 801 mpt3sas_transport_port_remove(ioc,
802 sas_device->sas_address,
803 sas_device->sas_address_parent);
f5edbe77
SR		 804 _scsih_sas_device_remove(ioc, sas_device);
805 }
f92363d1
SR		 806 }
807}
808
809/**
810 * _scsih_sas_device_init_add - insert sas_device to the list.
811 * @ioc: per adapter object
812 * @sas_device: the sas_device object
813 * Context: This function will acquire ioc->sas_device_lock.
814 *
815 * Adding new object at driver load time to the ioc->sas_device_init_list.
816 */
817static void
818_scsih_sas_device_init_add(struct MPT3SAS_ADAPTER *ioc,
819 struct _sas_device *sas_device)
820{
821 unsigned long flags;
822
823 dewtprintk(ioc, pr_info(MPT3SAS_FMT
824 "%s: handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name,
825 __func__, sas_device->handle,
826 (unsigned long long)sas_device->sas_address));
827
e6d45e3e
SR		 828 if (sas_device->enclosure_handle != 0)
829 dewtprintk(ioc, pr_info(MPT3SAS_FMT
830 "%s: enclosure logical id(0x%016llx), slot( %d)\n",
831 ioc->name, __func__, (unsigned long long)
832 sas_device->enclosure_logical_id, sas_device->slot));
833
834 if (sas_device->connector_name[0] != '\0')
835 dewtprintk(ioc, pr_info(MPT3SAS_FMT
836 "%s: enclosure level(0x%04x), connector name( %s)\n",
837 ioc->name, __func__, sas_device->enclosure_level,
838 sas_device->connector_name));
839
f92363d1 840 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 841 sas_device_get(sas_device);
f92363d1
SR		 842 list_add_tail(&sas_device->list, &ioc->sas_device_init_list);
843 _scsih_determine_boot_device(ioc, sas_device, 0);
844 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
845}
846
847/**
848 * _scsih_raid_device_find_by_id - raid device search
849 * @ioc: per adapter object
850 * @id: sas device target id
851 * @channel: sas device channel
852 * Context: Calling function should acquire ioc->raid_device_lock
853 *
854 * This searches for raid_device based on target id, then return raid_device
855 * object.
856 */
857static struct _raid_device *
858_scsih_raid_device_find_by_id(struct MPT3SAS_ADAPTER *ioc, int id, int channel)
859{
860 struct _raid_device *raid_device, *r;
861
862 r = NULL;
863 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
864 if (raid_device->id == id && raid_device->channel == channel) {
865 r = raid_device;
866 goto out;
867 }
868 }
869
870 out:
871 return r;
872}
873
874/**
c84b06a4 875 * mpt3sas_raid_device_find_by_handle - raid device search
f92363d1
SR		 876 * @ioc: per adapter object
877 * @handle: sas device handle (assigned by firmware)
878 * Context: Calling function should acquire ioc->raid_device_lock
879 *
880 * This searches for raid_device based on handle, then return raid_device
881 * object.
882 */
c84b06a4
SR		 883struct _raid_device *
884mpt3sas_raid_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
f92363d1
SR		 885{
886 struct _raid_device *raid_device, *r;
887
888 r = NULL;
889 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
890 if (raid_device->handle != handle)
891 continue;
892 r = raid_device;
893 goto out;
894 }
895
896 out:
897 return r;
898}
899
900/**
901 * _scsih_raid_device_find_by_wwid - raid device search
902 * @ioc: per adapter object
903 * @handle: sas device handle (assigned by firmware)
904 * Context: Calling function should acquire ioc->raid_device_lock
905 *
906 * This searches for raid_device based on wwid, then return raid_device
907 * object.
908 */
909static struct _raid_device *
910_scsih_raid_device_find_by_wwid(struct MPT3SAS_ADAPTER *ioc, u64 wwid)
911{
912 struct _raid_device *raid_device, *r;
913
914 r = NULL;
915 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
916 if (raid_device->wwid != wwid)
917 continue;
918 r = raid_device;
919 goto out;
920 }
921
922 out:
923 return r;
924}
925
926/**
927 * _scsih_raid_device_add - add raid_device object
928 * @ioc: per adapter object
929 * @raid_device: raid_device object
930 *
931 * This is added to the raid_device_list link list.
932 */
933static void
934_scsih_raid_device_add(struct MPT3SAS_ADAPTER *ioc,
935 struct _raid_device *raid_device)
936{
937 unsigned long flags;
938
939 dewtprintk(ioc, pr_info(MPT3SAS_FMT
940 "%s: handle(0x%04x), wwid(0x%016llx)\n", ioc->name, __func__,
941 raid_device->handle, (unsigned long long)raid_device->wwid));
942
943 spin_lock_irqsave(&ioc->raid_device_lock, flags);
944 list_add_tail(&raid_device->list, &ioc->raid_device_list);
945 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
946}
947
948/**
949 * _scsih_raid_device_remove - delete raid_device object
950 * @ioc: per adapter object
951 * @raid_device: raid_device object
952 *
953 */
954static void
955_scsih_raid_device_remove(struct MPT3SAS_ADAPTER *ioc,
956 struct _raid_device *raid_device)
957{
958 unsigned long flags;
959
960 spin_lock_irqsave(&ioc->raid_device_lock, flags);
961 list_del(&raid_device->list);
962 kfree(raid_device);
963 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
964}
965
966/**
967 * mpt3sas_scsih_expander_find_by_handle - expander device search
968 * @ioc: per adapter object
969 * @handle: expander handle (assigned by firmware)
970 * Context: Calling function should acquire ioc->sas_device_lock
971 *
972 * This searches for expander device based on handle, then returns the
973 * sas_node object.
974 */
975struct _sas_node *
976mpt3sas_scsih_expander_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
977{
978 struct _sas_node *sas_expander, *r;
979
980 r = NULL;
981 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
982 if (sas_expander->handle != handle)
983 continue;
984 r = sas_expander;
985 goto out;
986 }
987 out:
988 return r;
989}
990
991/**
992 * mpt3sas_scsih_expander_find_by_sas_address - expander device search
993 * @ioc: per adapter object
994 * @sas_address: sas address
995 * Context: Calling function should acquire ioc->sas_node_lock.
996 *
997 * This searches for expander device based on sas_address, then returns the
998 * sas_node object.
999 */
1000struct _sas_node *
1001mpt3sas_scsih_expander_find_by_sas_address(struct MPT3SAS_ADAPTER *ioc,
1002 u64 sas_address)
1003{
1004 struct _sas_node *sas_expander, *r;
1005
1006 r = NULL;
1007 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
1008 if (sas_expander->sas_address != sas_address)
1009 continue;
1010 r = sas_expander;
1011 goto out;
1012 }
1013 out:
1014 return r;
1015}
1016
1017/**
1018 * _scsih_expander_node_add - insert expander device to the list.
1019 * @ioc: per adapter object
1020 * @sas_expander: the sas_device object
1021 * Context: This function will acquire ioc->sas_node_lock.
1022 *
1023 * Adding new object to the ioc->sas_expander_list.
1024 *
1025 * Return nothing.
1026 */
1027static void
1028_scsih_expander_node_add(struct MPT3SAS_ADAPTER *ioc,
1029 struct _sas_node *sas_expander)
1030{
1031 unsigned long flags;
1032
1033 spin_lock_irqsave(&ioc->sas_node_lock, flags);
1034 list_add_tail(&sas_expander->list, &ioc->sas_expander_list);
1035 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
1036}
1037
1038/**
1039 * _scsih_is_end_device - determines if device is an end device
1040 * @device_info: bitfield providing information about the device.
1041 * Context: none
1042 *
1043 * Returns 1 if end device.
1044 */
1045static int
1046_scsih_is_end_device(u32 device_info)
1047{
1048 if (device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE &&
1049 ((device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) |
1050 (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) |
1051 (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)))
1052 return 1;
1053 else
1054 return 0;
1055}
1056
1057/**
1058 * _scsih_scsi_lookup_get - returns scmd entry
1059 * @ioc: per adapter object
1060 * @smid: system request message index
1061 *
1062 * Returns the smid stored scmd pointer.
1063 */
1064static struct scsi_cmnd *
1065_scsih_scsi_lookup_get(struct MPT3SAS_ADAPTER *ioc, u16 smid)
1066{
1067 return ioc->scsi_lookup[smid - 1].scmd;
1068}
1069
1070/**
1071 * _scsih_scsi_lookup_get_clear - returns scmd entry
1072 * @ioc: per adapter object
1073 * @smid: system request message index
1074 *
1075 * Returns the smid stored scmd pointer.
1076 * Then will derefrence the stored scmd pointer.
1077 */
1078static inline struct scsi_cmnd *
1079_scsih_scsi_lookup_get_clear(struct MPT3SAS_ADAPTER *ioc, u16 smid)
1080{
1081 unsigned long flags;
1082 struct scsi_cmnd *scmd;
1083
1084 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1085 scmd = ioc->scsi_lookup[smid - 1].scmd;
1086 ioc->scsi_lookup[smid - 1].scmd = NULL;
1087 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1088
1089 return scmd;
1090}
1091
1092/**
1093 * _scsih_scsi_lookup_find_by_scmd - scmd lookup
1094 * @ioc: per adapter object
1095 * @smid: system request message index
1096 * @scmd: pointer to scsi command object
1097 * Context: This function will acquire ioc->scsi_lookup_lock.
1098 *
1099 * This will search for a scmd pointer in the scsi_lookup array,
1100 * returning the revelent smid. A returned value of zero means invalid.
1101 */
1102static u16
1103_scsih_scsi_lookup_find_by_scmd(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd
1104 *scmd)
1105{
1106 u16 smid;
1107 unsigned long flags;
1108 int i;
1109
1110 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1111 smid = 0;
1112 for (i = 0; i < ioc->scsiio_depth; i++) {
1113 if (ioc->scsi_lookup[i].scmd == scmd) {
1114 smid = ioc->scsi_lookup[i].smid;
1115 goto out;
1116 }
1117 }
1118 out:
1119 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1120 return smid;
1121}
1122
1123/**
1124 * _scsih_scsi_lookup_find_by_target - search for matching channel:id
1125 * @ioc: per adapter object
1126 * @id: target id
1127 * @channel: channel
1128 * Context: This function will acquire ioc->scsi_lookup_lock.
1129 *
1130 * This will search for a matching channel:id in the scsi_lookup array,
1131 * returning 1 if found.
1132 */
1133static u8
1134_scsih_scsi_lookup_find_by_target(struct MPT3SAS_ADAPTER *ioc, int id,
1135 int channel)
1136{
1137 u8 found;
1138 unsigned long flags;
1139 int i;
1140
1141 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1142 found = 0;
1143 for (i = 0 ; i < ioc->scsiio_depth; i++) {
1144 if (ioc->scsi_lookup[i].scmd &&
1145 (ioc->scsi_lookup[i].scmd->device->id == id &&
1146 ioc->scsi_lookup[i].scmd->device->channel == channel)) {
1147 found = 1;
1148 goto out;
1149 }
1150 }
1151 out:
1152 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1153 return found;
1154}
1155
1156/**
1157 * _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun
1158 * @ioc: per adapter object
1159 * @id: target id
1160 * @lun: lun number
1161 * @channel: channel
1162 * Context: This function will acquire ioc->scsi_lookup_lock.
1163 *
1164 * This will search for a matching channel:id:lun in the scsi_lookup array,
1165 * returning 1 if found.
1166 */
1167static u8
1168_scsih_scsi_lookup_find_by_lun(struct MPT3SAS_ADAPTER *ioc, int id,
1169 unsigned int lun, int channel)
1170{
1171 u8 found;
1172 unsigned long flags;
1173 int i;
1174
1175 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1176 found = 0;
1177 for (i = 0 ; i < ioc->scsiio_depth; i++) {
1178 if (ioc->scsi_lookup[i].scmd &&
1179 (ioc->scsi_lookup[i].scmd->device->id == id &&
1180 ioc->scsi_lookup[i].scmd->device->channel == channel &&
1181 ioc->scsi_lookup[i].scmd->device->lun == lun)) {
1182 found = 1;
1183 goto out;
1184 }
1185 }
1186 out:
1187 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1188 return found;
1189}
1190
cf75d5d6 1191/**
8a7e4c24 1192 * scsih_change_queue_depth - setting device queue depth
cf75d5d6
CH		 1193 * @sdev: scsi device struct
1194 * @qdepth: requested queue depth
1195 *
1196 * Returns queue depth.
1197 */
8a7e4c24
SR		 1198int
1199scsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
f92363d1
SR		 1200{
1201 struct Scsi_Host *shost = sdev->host;
1202 int max_depth;
1203 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
1204 struct MPT3SAS_DEVICE *sas_device_priv_data;
1205 struct MPT3SAS_TARGET *sas_target_priv_data;
1206 struct _sas_device *sas_device;
1207 unsigned long flags;
1208
1209 max_depth = shost->can_queue;
1210
1211 /* limit max device queue for SATA to 32 */
1212 sas_device_priv_data = sdev->hostdata;
1213 if (!sas_device_priv_data)
1214 goto not_sata;
1215 sas_target_priv_data = sas_device_priv_data->sas_target;
1216 if (!sas_target_priv_data)
1217 goto not_sata;
1218 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))
1219 goto not_sata;
d1cb5e49 1220
f92363d1 1221 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49
SR		 1222 sas_device = __mpt3sas_get_sdev_from_target(ioc, sas_target_priv_data);
1223 if (sas_device) {
1224 if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
1225 max_depth = MPT3SAS_SATA_QUEUE_DEPTH;
1226
1227 sas_device_put(sas_device);
1228 }
f92363d1
SR		 1229 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1230
1231 not_sata:
1232
1233 if (!sdev->tagged_supported)
1234 max_depth = 1;
1235 if (qdepth > max_depth)
1236 qdepth = max_depth;
cf75d5d6 1237 return scsi_change_queue_depth(sdev, qdepth);
f92363d1
SR		 1238}
1239
f92363d1 1240/**
8a7e4c24 1241 * scsih_target_alloc - target add routine
f92363d1
SR		 1242 * @starget: scsi target struct
1243 *
1244 * Returns 0 if ok. Any other return is assumed to be an error and
1245 * the device is ignored.
1246 */
8a7e4c24
SR		 1247int
1248scsih_target_alloc(struct scsi_target *starget)
f92363d1
SR		 1249{
1250 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
1251 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
1252 struct MPT3SAS_TARGET *sas_target_priv_data;
1253 struct _sas_device *sas_device;
1254 struct _raid_device *raid_device;
1255 unsigned long flags;
1256 struct sas_rphy *rphy;
1257
62c4da44
JL		 1258 sas_target_priv_data = kzalloc(sizeof(*sas_target_priv_data),
1259 GFP_KERNEL);
f92363d1
SR		 1260 if (!sas_target_priv_data)
1261 return -ENOMEM;
1262
1263 starget->hostdata = sas_target_priv_data;
1264 sas_target_priv_data->starget = starget;
1265 sas_target_priv_data->handle = MPT3SAS_INVALID_DEVICE_HANDLE;
1266
1267 /* RAID volumes */
1268 if (starget->channel == RAID_CHANNEL) {
1269 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1270 raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
1271 starget->channel);
1272 if (raid_device) {
1273 sas_target_priv_data->handle = raid_device->handle;
1274 sas_target_priv_data->sas_address = raid_device->wwid;
1275 sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME;
7786ab6a
SR		 1276 sas_target_priv_data->raid_device = raid_device;
1277 if (ioc->is_warpdrive)
1278 raid_device->starget = starget;
f92363d1
SR		 1279 }
1280 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1281 return 0;
1282 }
1283
1284 /* sas/sata devices */
1285 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1286 rphy = dev_to_rphy(starget->dev.parent);
d1cb5e49 1287 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
f92363d1
SR		 1288 rphy->identify.sas_address);
1289
1290 if (sas_device) {
1291 sas_target_priv_data->handle = sas_device->handle;
1292 sas_target_priv_data->sas_address = sas_device->sas_address;
d1cb5e49 1293 sas_target_priv_data->sdev = sas_device;
f92363d1
SR		 1294 sas_device->starget = starget;
1295 sas_device->id = starget->id;
1296 sas_device->channel = starget->channel;
1297 if (test_bit(sas_device->handle, ioc->pd_handles))
1298 sas_target_priv_data->flags |=
1299 MPT_TARGET_FLAGS_RAID_COMPONENT;
1300 if (sas_device->fast_path)
1301 sas_target_priv_data->flags |= MPT_TARGET_FASTPATH_IO;
1302 }
1303 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1304
1305 return 0;
1306}
1307
1308/**
8a7e4c24 1309 * scsih_target_destroy - target destroy routine
f92363d1
SR		 1310 * @starget: scsi target struct
1311 *
1312 * Returns nothing.
1313 */
8a7e4c24
SR		 1314void
1315scsih_target_destroy(struct scsi_target *starget)
f92363d1
SR		 1316{
1317 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
1318 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
1319 struct MPT3SAS_TARGET *sas_target_priv_data;
1320 struct _sas_device *sas_device;
1321 struct _raid_device *raid_device;
1322 unsigned long flags;
1323 struct sas_rphy *rphy;
1324
1325 sas_target_priv_data = starget->hostdata;
1326 if (!sas_target_priv_data)
1327 return;
1328
1329 if (starget->channel == RAID_CHANNEL) {
1330 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1331 raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
1332 starget->channel);
1333 if (raid_device) {
1334 raid_device->starget = NULL;
1335 raid_device->sdev = NULL;
1336 }
1337 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1338 goto out;
1339 }
1340
1341 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1342 rphy = dev_to_rphy(starget->dev.parent);
d1cb5e49 1343 sas_device = __mpt3sas_get_sdev_from_target(ioc, sas_target_priv_data);
f92363d1
SR		 1344 if (sas_device && (sas_device->starget == starget) &&
1345 (sas_device->id == starget->id) &&
1346 (sas_device->channel == starget->channel))
1347 sas_device->starget = NULL;
1348
d1cb5e49
SR		 1349 if (sas_device) {
1350 /*
1351 * Corresponding get() is in _scsih_target_alloc()
1352 */
1353 sas_target_priv_data->sdev = NULL;
1354 sas_device_put(sas_device);
1355
1356 sas_device_put(sas_device);
1357 }
f92363d1
SR		 1358 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1359
1360 out:
1361 kfree(sas_target_priv_data);
1362 starget->hostdata = NULL;
1363}
1364
1365/**
8a7e4c24 1366 * scsih_slave_alloc - device add routine
f92363d1
SR		 1367 * @sdev: scsi device struct
1368 *
1369 * Returns 0 if ok. Any other return is assumed to be an error and
1370 * the device is ignored.
1371 */
8a7e4c24
SR		 1372int
1373scsih_slave_alloc(struct scsi_device *sdev)
f92363d1
SR		 1374{
1375 struct Scsi_Host *shost;
1376 struct MPT3SAS_ADAPTER *ioc;
1377 struct MPT3SAS_TARGET *sas_target_priv_data;
1378 struct MPT3SAS_DEVICE *sas_device_priv_data;
1379 struct scsi_target *starget;
1380 struct _raid_device *raid_device;
b65cfedf 1381 struct _sas_device *sas_device;
f92363d1
SR		 1382 unsigned long flags;
1383
62c4da44
JL		 1384 sas_device_priv_data = kzalloc(sizeof(*sas_device_priv_data),
1385 GFP_KERNEL);
f92363d1
SR		 1386 if (!sas_device_priv_data)
1387 return -ENOMEM;
1388
1389 sas_device_priv_data->lun = sdev->lun;
1390 sas_device_priv_data->flags = MPT_DEVICE_FLAGS_INIT;
1391
1392 starget = scsi_target(sdev);
1393 sas_target_priv_data = starget->hostdata;
1394 sas_target_priv_data->num_luns++;
1395 sas_device_priv_data->sas_target = sas_target_priv_data;
1396 sdev->hostdata = sas_device_priv_data;
1397 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT))
1398 sdev->no_uld_attach = 1;
1399
1400 shost = dev_to_shost(&starget->dev);
1401 ioc = shost_priv(shost);
1402 if (starget->channel == RAID_CHANNEL) {
1403 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1404 raid_device = _scsih_raid_device_find_by_id(ioc,
1405 starget->id, starget->channel);
1406 if (raid_device)
1407 raid_device->sdev = sdev; /* raid is single lun */
1408 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1409 }
1410
b65cfedf
SR		 1411 if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) {
1412 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 1413 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
b65cfedf
SR		 1414 sas_target_priv_data->sas_address);
1415 if (sas_device && (sas_device->starget == NULL)) {
1416 sdev_printk(KERN_INFO, sdev,
1417 "%s : sas_device->starget set to starget @ %d\n",
d1cb5e49 1418 __func__, __LINE__);
b65cfedf
SR		 1419 sas_device->starget = starget;
1420 }
d1cb5e49
SR		 1421
1422 if (sas_device)
1423 sas_device_put(sas_device);
1424
b65cfedf
SR		 1425 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1426 }
1427
f92363d1
SR		 1428 return 0;
1429}
1430
1431/**
8a7e4c24 1432 * scsih_slave_destroy - device destroy routine
f92363d1
SR		 1433 * @sdev: scsi device struct
1434 *
1435 * Returns nothing.
1436 */
8a7e4c24
SR		 1437void
1438scsih_slave_destroy(struct scsi_device *sdev)
f92363d1
SR		 1439{
1440 struct MPT3SAS_TARGET *sas_target_priv_data;
1441 struct scsi_target *starget;
1442 struct Scsi_Host *shost;
1443 struct MPT3SAS_ADAPTER *ioc;
1444 struct _sas_device *sas_device;
1445 unsigned long flags;
1446
1447 if (!sdev->hostdata)
1448 return;
1449
1450 starget = scsi_target(sdev);
1451 sas_target_priv_data = starget->hostdata;
1452 sas_target_priv_data->num_luns--;
1453
1454 shost = dev_to_shost(&starget->dev);
1455 ioc = shost_priv(shost);
1456
1457 if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) {
1458 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49
SR		 1459 sas_device = __mpt3sas_get_sdev_from_target(ioc,
1460 sas_target_priv_data);
f92363d1
SR		 1461 if (sas_device && !sas_target_priv_data->num_luns)
1462 sas_device->starget = NULL;
d1cb5e49
SR		 1463
1464 if (sas_device)
1465 sas_device_put(sas_device);
f92363d1
SR		 1466 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1467 }
1468
1469 kfree(sdev->hostdata);
1470 sdev->hostdata = NULL;
1471}
1472
1473/**
1474 * _scsih_display_sata_capabilities - sata capabilities
1475 * @ioc: per adapter object
1476 * @handle: device handle
1477 * @sdev: scsi device struct
1478 */
1479static void
1480_scsih_display_sata_capabilities(struct MPT3SAS_ADAPTER *ioc,
1481 u16 handle, struct scsi_device *sdev)
1482{
1483 Mpi2ConfigReply_t mpi_reply;
1484 Mpi2SasDevicePage0_t sas_device_pg0;
1485 u32 ioc_status;
1486 u16 flags;
1487 u32 device_info;
1488
1489 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
1490 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
1491 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
1492 ioc->name, __FILE__, __LINE__, __func__);
1493 return;
1494 }
1495
1496 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
1497 MPI2_IOCSTATUS_MASK;
1498 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
1499 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
1500 ioc->name, __FILE__, __LINE__, __func__);
1501 return;
1502 }
1503
1504 flags = le16_to_cpu(sas_device_pg0.Flags);
1505 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
1506
1507 sdev_printk(KERN_INFO, sdev,
1508 "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), "
1509 "sw_preserve(%s)\n",
1510 (device_info & MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? "y" : "n",
1511 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED) ? "y" : "n",
1512 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY) ? "y" :
1513 "n",
1514 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED) ? "y" : "n",
1515 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED) ? "y" : "n",
1516 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE) ? "y" : "n");
1517}
1518
1519/*
1520 * raid transport support -
1521 * Enabled for SLES11 and newer, in older kernels the driver will panic when
1522 * unloading the driver followed by a load - I beleive that the subroutine
1523 * raid_class_release() is not cleaning up properly.
1524 */
1525
1526/**
8a7e4c24 1527 * scsih_is_raid - return boolean indicating device is raid volume
f92363d1
SR		 1528 * @dev the device struct object
1529 */
8a7e4c24
SR		 1530int
1531scsih_is_raid(struct device *dev)
f92363d1
SR		 1532{
1533 struct scsi_device *sdev = to_scsi_device(dev);
7786ab6a 1534 struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host);
f92363d1 1535
7786ab6a
SR		 1536 if (ioc->is_warpdrive)
1537 return 0;
f92363d1
SR		 1538 return (sdev->channel == RAID_CHANNEL) ? 1 : 0;
1539}
1540
1541/**
8a7e4c24 1542 * scsih_get_resync - get raid volume resync percent complete
f92363d1
SR		 1543 * @dev the device struct object
1544 */
8a7e4c24
SR		 1545void
1546scsih_get_resync(struct device *dev)
f92363d1
SR		 1547{
1548 struct scsi_device *sdev = to_scsi_device(dev);
1549 struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host);
1550 static struct _raid_device *raid_device;
1551 unsigned long flags;
1552 Mpi2RaidVolPage0_t vol_pg0;
1553 Mpi2ConfigReply_t mpi_reply;
1554 u32 volume_status_flags;
1555 u8 percent_complete;
1556 u16 handle;
1557
1558 percent_complete = 0;
1559 handle = 0;
7786ab6a
SR		 1560 if (ioc->is_warpdrive)
1561 goto out;
1562
f92363d1
SR		 1563 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1564 raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id,
1565 sdev->channel);
1566 if (raid_device) {
1567 handle = raid_device->handle;
1568 percent_complete = raid_device->percent_complete;
1569 }
1570 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1571
1572 if (!handle)
1573 goto out;
1574
1575 if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0,
1576 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
1577 sizeof(Mpi2RaidVolPage0_t))) {
1578 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
1579 ioc->name, __FILE__, __LINE__, __func__);
1580 percent_complete = 0;
1581 goto out;
1582 }
1583
1584 volume_status_flags = le32_to_cpu(vol_pg0.VolumeStatusFlags);
1585 if (!(volume_status_flags &
1586 MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS))
1587 percent_complete = 0;
1588
1589 out:
b130b0d5
SS		 1590
1591 switch (ioc->hba_mpi_version_belonged) {
1592 case MPI2_VERSION:
c84b06a4 1593 raid_set_resync(mpt2sas_raid_template, dev, percent_complete);
b130b0d5
SS		 1594 break;
1595 case MPI25_VERSION:
1596 case MPI26_VERSION:
c84b06a4 1597 raid_set_resync(mpt3sas_raid_template, dev, percent_complete);
b130b0d5
SS		 1598 break;
1599 }
f92363d1
SR		 1600}
1601
1602/**
8a7e4c24 1603 * scsih_get_state - get raid volume level
f92363d1
SR		 1604 * @dev the device struct object
1605 */
8a7e4c24
SR		 1606void
1607scsih_get_state(struct device *dev)
f92363d1
SR		 1608{
1609 struct scsi_device *sdev = to_scsi_device(dev);
1610 struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host);
1611 static struct _raid_device *raid_device;
1612 unsigned long flags;
1613 Mpi2RaidVolPage0_t vol_pg0;
1614 Mpi2ConfigReply_t mpi_reply;
1615 u32 volstate;
1616 enum raid_state state = RAID_STATE_UNKNOWN;
1617 u16 handle = 0;
1618
1619 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1620 raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id,
1621 sdev->channel);
1622 if (raid_device)
1623 handle = raid_device->handle;
1624 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1625
1626 if (!raid_device)
1627 goto out;
1628
1629 if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0,
1630 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
1631 sizeof(Mpi2RaidVolPage0_t))) {
1632 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
1633 ioc->name, __FILE__, __LINE__, __func__);
1634 goto out;
1635 }
1636
1637 volstate = le32_to_cpu(vol_pg0.VolumeStatusFlags);
1638 if (volstate & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) {
1639 state = RAID_STATE_RESYNCING;
1640 goto out;
1641 }
1642
1643 switch (vol_pg0.VolumeState) {
1644 case MPI2_RAID_VOL_STATE_OPTIMAL:
1645 case MPI2_RAID_VOL_STATE_ONLINE:
1646 state = RAID_STATE_ACTIVE;
1647 break;
1648 case MPI2_RAID_VOL_STATE_DEGRADED:
1649 state = RAID_STATE_DEGRADED;
1650 break;
1651 case MPI2_RAID_VOL_STATE_FAILED:
1652 case MPI2_RAID_VOL_STATE_MISSING:
1653 state = RAID_STATE_OFFLINE;
1654 break;
1655 }
1656 out:
b130b0d5
SS		 1657 switch (ioc->hba_mpi_version_belonged) {
1658 case MPI2_VERSION:
c84b06a4 1659 raid_set_state(mpt2sas_raid_template, dev, state);
b130b0d5
SS		 1660 break;
1661 case MPI25_VERSION:
1662 case MPI26_VERSION:
c84b06a4 1663 raid_set_state(mpt3sas_raid_template, dev, state);
b130b0d5
SS		 1664 break;
1665 }
f92363d1
SR		 1666}
1667
1668/**
1669 * _scsih_set_level - set raid level
1670 * @sdev: scsi device struct
1671 * @volume_type: volume type
1672 */
1673static void
c84b06a4
SR		 1674_scsih_set_level(struct MPT3SAS_ADAPTER *ioc,
1675 struct scsi_device *sdev, u8 volume_type)
f92363d1
SR		 1676{
1677 enum raid_level level = RAID_LEVEL_UNKNOWN;
1678
1679 switch (volume_type) {
1680 case MPI2_RAID_VOL_TYPE_RAID0:
1681 level = RAID_LEVEL_0;
1682 break;
1683 case MPI2_RAID_VOL_TYPE_RAID10:
1684 level = RAID_LEVEL_10;
1685 break;
1686 case MPI2_RAID_VOL_TYPE_RAID1E:
1687 level = RAID_LEVEL_1E;
1688 break;
1689 case MPI2_RAID_VOL_TYPE_RAID1:
1690 level = RAID_LEVEL_1;
1691 break;
1692 }
1693
b130b0d5
SS		 1694 switch (ioc->hba_mpi_version_belonged) {
1695 case MPI2_VERSION:
c84b06a4 1696 raid_set_level(mpt2sas_raid_template,
b130b0d5
SS		 1697 &sdev->sdev_gendev, level);
1698 break;
1699 case MPI25_VERSION:
1700 case MPI26_VERSION:
c84b06a4 1701 raid_set_level(mpt3sas_raid_template,
b130b0d5
SS		 1702 &sdev->sdev_gendev, level);
1703 break;
1704 }
f92363d1
SR		 1705}
1706
1707
1708/**
1709 * _scsih_get_volume_capabilities - volume capabilities
1710 * @ioc: per adapter object
1711 * @sas_device: the raid_device object
1712 *
1713 * Returns 0 for success, else 1
1714 */
1715static int
1716_scsih_get_volume_capabilities(struct MPT3SAS_ADAPTER *ioc,
1717 struct _raid_device *raid_device)
1718{
1719 Mpi2RaidVolPage0_t *vol_pg0;
1720 Mpi2RaidPhysDiskPage0_t pd_pg0;
1721 Mpi2SasDevicePage0_t sas_device_pg0;
1722 Mpi2ConfigReply_t mpi_reply;
1723 u16 sz;
1724 u8 num_pds;
1725
1726 if ((mpt3sas_config_get_number_pds(ioc, raid_device->handle,
1727 &num_pds)) || !num_pds) {
1728 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1729 "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
1730 __func__));
1731 return 1;
1732 }
1733
1734 raid_device->num_pds = num_pds;
1735 sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds *
1736 sizeof(Mpi2RaidVol0PhysDisk_t));
1737 vol_pg0 = kzalloc(sz, GFP_KERNEL);
1738 if (!vol_pg0) {
1739 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1740 "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
1741 __func__));
1742 return 1;
1743 }
1744
1745 if ((mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0,
1746 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) {
1747 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1748 "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
1749 __func__));
1750 kfree(vol_pg0);
1751 return 1;
1752 }
1753
1754 raid_device->volume_type = vol_pg0->VolumeType;
1755
1756 /* figure out what the underlying devices are by
1757 * obtaining the device_info bits for the 1st device
1758 */
1759 if (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
1760 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM,
1761 vol_pg0->PhysDisk[0].PhysDiskNum))) {
1762 if (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
1763 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
1764 le16_to_cpu(pd_pg0.DevHandle)))) {
1765 raid_device->device_info =
1766 le32_to_cpu(sas_device_pg0.DeviceInfo);
1767 }
1768 }
1769
1770 kfree(vol_pg0);
1771 return 0;
1772}
1773
f92363d1
SR		 1774/**
1775 * _scsih_enable_tlr - setting TLR flags
1776 * @ioc: per adapter object
1777 * @sdev: scsi device struct
1778 *
1779 * Enabling Transaction Layer Retries for tape devices when
1780 * vpd page 0x90 is present
1781 *
1782 */
1783static void
1784_scsih_enable_tlr(struct MPT3SAS_ADAPTER *ioc, struct scsi_device *sdev)
1785{
1786
1787 /* only for TAPE */
1788 if (sdev->type != TYPE_TAPE)
1789 return;
1790
1791 if (!(ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR))
1792 return;
1793
1794 sas_enable_tlr(sdev);
1795 sdev_printk(KERN_INFO, sdev, "TLR %s\n",
1796 sas_is_tlr_enabled(sdev) ? "Enabled" : "Disabled");
1797 return;
1798
1799}
1800
1801/**
8a7e4c24 1802 * scsih_slave_configure - device configure routine.
f92363d1
SR		 1803 * @sdev: scsi device struct
1804 *
1805 * Returns 0 if ok. Any other return is assumed to be an error and
1806 * the device is ignored.
1807 */
8a7e4c24
SR		 1808int
1809scsih_slave_configure(struct scsi_device *sdev)
f92363d1
SR		 1810{
1811 struct Scsi_Host *shost = sdev->host;
1812 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
1813 struct MPT3SAS_DEVICE *sas_device_priv_data;
1814 struct MPT3SAS_TARGET *sas_target_priv_data;
1815 struct _sas_device *sas_device;
1816 struct _raid_device *raid_device;
1817 unsigned long flags;
1818 int qdepth;
1819 u8 ssp_target = 0;
1820 char *ds = "";
1821 char *r_level = "";
1822 u16 handle, volume_handle = 0;
1823 u64 volume_wwid = 0;
1824
1825 qdepth = 1;
1826 sas_device_priv_data = sdev->hostdata;
1827 sas_device_priv_data->configured_lun = 1;
1828 sas_device_priv_data->flags &= ~MPT_DEVICE_FLAGS_INIT;
1829 sas_target_priv_data = sas_device_priv_data->sas_target;
1830 handle = sas_target_priv_data->handle;
1831
1832 /* raid volume handling */
1833 if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME) {
1834
1835 spin_lock_irqsave(&ioc->raid_device_lock, flags);
c84b06a4 1836 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
f92363d1
SR		 1837 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1838 if (!raid_device) {
1839 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1840 "failure at %s:%d/%s()!\n", ioc->name, __FILE__,
1841 __LINE__, __func__));
1842 return 1;
1843 }
1844
1845 if (_scsih_get_volume_capabilities(ioc, raid_device)) {
1846 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1847 "failure at %s:%d/%s()!\n", ioc->name, __FILE__,
1848 __LINE__, __func__));
1849 return 1;
1850 }
1851
7786ab6a
SR		 1852 /*
1853 * WARPDRIVE: Initialize the required data for Direct IO
1854 */
c84b06a4 1855 mpt3sas_init_warpdrive_properties(ioc, raid_device);
f92363d1
SR		 1856
1857 /* RAID Queue Depth Support
1858 * IS volume = underlying qdepth of drive type, either
1859 * MPT3SAS_SAS_QUEUE_DEPTH or MPT3SAS_SATA_QUEUE_DEPTH
1860 * IM/IME/R10 = 128 (MPT3SAS_RAID_QUEUE_DEPTH)
1861 */
1862 if (raid_device->device_info &
1863 MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
1864 qdepth = MPT3SAS_SAS_QUEUE_DEPTH;
1865 ds = "SSP";
1866 } else {
1867 qdepth = MPT3SAS_SATA_QUEUE_DEPTH;
1868 if (raid_device->device_info &
1869 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
1870 ds = "SATA";
1871 else
1872 ds = "STP";
1873 }
1874
1875 switch (raid_device->volume_type) {
1876 case MPI2_RAID_VOL_TYPE_RAID0:
1877 r_level = "RAID0";
1878 break;
1879 case MPI2_RAID_VOL_TYPE_RAID1E:
1880 qdepth = MPT3SAS_RAID_QUEUE_DEPTH;
1881 if (ioc->manu_pg10.OEMIdentifier &&
1882 (le32_to_cpu(ioc->manu_pg10.GenericFlags0) &
1883 MFG10_GF0_R10_DISPLAY) &&
1884 !(raid_device->num_pds % 2))
1885 r_level = "RAID10";
1886 else
1887 r_level = "RAID1E";
1888 break;
1889 case MPI2_RAID_VOL_TYPE_RAID1:
1890 qdepth = MPT3SAS_RAID_QUEUE_DEPTH;
1891 r_level = "RAID1";
1892 break;
1893 case MPI2_RAID_VOL_TYPE_RAID10:
1894 qdepth = MPT3SAS_RAID_QUEUE_DEPTH;
1895 r_level = "RAID10";
1896 break;
1897 case MPI2_RAID_VOL_TYPE_UNKNOWN:
1898 default:
1899 qdepth = MPT3SAS_RAID_QUEUE_DEPTH;
1900 r_level = "RAIDX";
1901 break;
1902 }
1903
7786ab6a
SR		 1904 if (!ioc->hide_ir_msg)
1905 sdev_printk(KERN_INFO, sdev,
1906 "%s: handle(0x%04x), wwid(0x%016llx),"
1907 " pd_count(%d), type(%s)\n",
1908 r_level, raid_device->handle,
1909 (unsigned long long)raid_device->wwid,
1910 raid_device->num_pds, ds);
f92363d1 1911
6c197093
C		 1912 if (shost->max_sectors > MPT3SAS_RAID_MAX_SECTORS) {
1913 blk_queue_max_hw_sectors(sdev->request_queue,
1914 MPT3SAS_RAID_MAX_SECTORS);
1915 sdev_printk(KERN_INFO, sdev,
1916 "Set queue's max_sector to: %u\n",
1917 MPT3SAS_RAID_MAX_SECTORS);
1918 }
1919
8a7e4c24 1920 scsih_change_queue_depth(sdev, qdepth);
f92363d1 1921
7786ab6a
SR		 1922 /* raid transport support */
1923 if (!ioc->is_warpdrive)
c84b06a4 1924 _scsih_set_level(ioc, sdev, raid_device->volume_type);
f92363d1
SR		 1925 return 0;
1926 }
1927
1928 /* non-raid handling */
1929 if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1930 if (mpt3sas_config_get_volume_handle(ioc, handle,
1931 &volume_handle)) {
1932 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1933 "failure at %s:%d/%s()!\n", ioc->name,
1934 __FILE__, __LINE__, __func__));
1935 return 1;
1936 }
1937 if (volume_handle && mpt3sas_config_get_volume_wwid(ioc,
1938 volume_handle, &volume_wwid)) {
1939 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1940 "failure at %s:%d/%s()!\n", ioc->name,
1941 __FILE__, __LINE__, __func__));
1942 return 1;
1943 }
1944 }
1945
1946 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 1947 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
f92363d1
SR		 1948 sas_device_priv_data->sas_target->sas_address);
1949 if (!sas_device) {
1950 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1951 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1952 "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
1953 __func__));
1954 return 1;
1955 }
1956
1957 sas_device->volume_handle = volume_handle;
1958 sas_device->volume_wwid = volume_wwid;
1959 if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
1960 qdepth = MPT3SAS_SAS_QUEUE_DEPTH;
1961 ssp_target = 1;
30158dc9
SS		 1962 if (sas_device->device_info &
1963 MPI2_SAS_DEVICE_INFO_SEP) {
1964 sdev_printk(KERN_WARNING, sdev,
1965 "set ignore_delay_remove for handle(0x%04x)\n",
1966 sas_device_priv_data->sas_target->handle);
1967 sas_device_priv_data->ignore_delay_remove = 1;
1968 ds = "SES";
1969 } else
1970 ds = "SSP";
f92363d1
SR		 1971 } else {
1972 qdepth = MPT3SAS_SATA_QUEUE_DEPTH;
1973 if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET)
1974 ds = "STP";
1975 else if (sas_device->device_info &
1976 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
1977 ds = "SATA";
1978 }
1979
1980 sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), " \
1981 "sas_addr(0x%016llx), phy(%d), device_name(0x%016llx)\n",
1982 ds, handle, (unsigned long long)sas_device->sas_address,
1983 sas_device->phy, (unsigned long long)sas_device->device_name);
e6d45e3e
SR		 1984 if (sas_device->enclosure_handle != 0)
1985 sdev_printk(KERN_INFO, sdev,
1986 "%s: enclosure_logical_id(0x%016llx), slot(%d)\n",
1987 ds, (unsigned long long)
1988 sas_device->enclosure_logical_id, sas_device->slot);
1989 if (sas_device->connector_name[0] != '\0')
1990 sdev_printk(KERN_INFO, sdev,
1991 "%s: enclosure level(0x%04x), connector name( %s)\n",
1992 ds, sas_device->enclosure_level,
1993 sas_device->connector_name);
f92363d1 1994
d1cb5e49 1995 sas_device_put(sas_device);
f92363d1
SR		 1996 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1997
1998 if (!ssp_target)
1999 _scsih_display_sata_capabilities(ioc, handle, sdev);
2000
2001
8a7e4c24 2002 scsih_change_queue_depth(sdev, qdepth);
f92363d1
SR		 2003
2004 if (ssp_target) {
2005 sas_read_port_mode_page(sdev);
2006 _scsih_enable_tlr(ioc, sdev);
2007 }
2008
2009 return 0;
2010}
2011
2012/**
8a7e4c24 2013 * scsih_bios_param - fetch head, sector, cylinder info for a disk
f92363d1
SR		 2014 * @sdev: scsi device struct
2015 * @bdev: pointer to block device context
2016 * @capacity: device size (in 512 byte sectors)
2017 * @params: three element array to place output:
2018 * params[0] number of heads (max 255)
2019 * params[1] number of sectors (max 63)
2020 * params[2] number of cylinders
2021 *
2022 * Return nothing.
2023 */
8a7e4c24
SR		 2024int
2025scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev,
f92363d1
SR		 2026 sector_t capacity, int params[])
2027{
2028 int heads;
2029 int sectors;
2030 sector_t cylinders;
2031 ulong dummy;
2032
2033 heads = 64;
2034 sectors = 32;
2035
2036 dummy = heads * sectors;
2037 cylinders = capacity;
2038 sector_div(cylinders, dummy);
2039
2040 /*
2041 * Handle extended translation size for logical drives
2042 * > 1Gb
2043 */
2044 if ((ulong)capacity >= 0x200000) {
2045 heads = 255;
2046 sectors = 63;
2047 dummy = heads * sectors;
2048 cylinders = capacity;
2049 sector_div(cylinders, dummy);
2050 }
2051
2052 /* return result */
2053 params[0] = heads;
2054 params[1] = sectors;
2055 params[2] = cylinders;
2056
2057 return 0;
2058}
2059
2060/**
2061 * _scsih_response_code - translation of device response code
2062 * @ioc: per adapter object
2063 * @response_code: response code returned by the device
2064 *
2065 * Return nothing.
2066 */
2067static void
2068_scsih_response_code(struct MPT3SAS_ADAPTER *ioc, u8 response_code)
2069{
2070 char *desc;
2071
2072 switch (response_code) {
2073 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE:
2074 desc = "task management request completed";
2075 break;
2076 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME:
2077 desc = "invalid frame";
2078 break;
2079 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2080 desc = "task management request not supported";
2081 break;
2082 case MPI2_SCSITASKMGMT_RSP_TM_FAILED:
2083 desc = "task management request failed";
2084 break;
2085 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2086 desc = "task management request succeeded";
2087 break;
2088 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2089 desc = "invalid lun";
2090 break;
2091 case 0xA:
2092 desc = "overlapped tag attempted";
2093 break;
2094 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2095 desc = "task queued, however not sent to target";
2096 break;
2097 default:
2098 desc = "unknown";
2099 break;
2100 }
2101 pr_warn(MPT3SAS_FMT "response_code(0x%01x): %s\n",
2102 ioc->name, response_code, desc);
2103}
2104
2105/**
2106 * _scsih_tm_done - tm completion routine
2107 * @ioc: per adapter object
2108 * @smid: system request message index
2109 * @msix_index: MSIX table index supplied by the OS
2110 * @reply: reply message frame(lower 32bit addr)
2111 * Context: none.
2112 *
2113 * The callback handler when using scsih_issue_tm.
2114 *
2115 * Return 1 meaning mf should be freed from _base_interrupt
2116 * 0 means the mf is freed from this function.
2117 */
2118static u8
2119_scsih_tm_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
2120{
2121 MPI2DefaultReply_t *mpi_reply;
2122
2123 if (ioc->tm_cmds.status == MPT3_CMD_NOT_USED)
2124 return 1;
2125 if (ioc->tm_cmds.smid != smid)
2126 return 1;
f92363d1
SR		 2127 ioc->tm_cmds.status |= MPT3_CMD_COMPLETE;
2128 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
2129 if (mpi_reply) {
2130 memcpy(ioc->tm_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
2131 ioc->tm_cmds.status |= MPT3_CMD_REPLY_VALID;
2132 }
2133 ioc->tm_cmds.status &= ~MPT3_CMD_PENDING;
2134 complete(&ioc->tm_cmds.done);
2135 return 1;
2136}
2137
2138/**
2139 * mpt3sas_scsih_set_tm_flag - set per target tm_busy
2140 * @ioc: per adapter object
2141 * @handle: device handle
2142 *
2143 * During taskmangement request, we need to freeze the device queue.
2144 */
2145void
2146mpt3sas_scsih_set_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle)
2147{
2148 struct MPT3SAS_DEVICE *sas_device_priv_data;
2149 struct scsi_device *sdev;
2150 u8 skip = 0;
2151
2152 shost_for_each_device(sdev, ioc->shost) {
2153 if (skip)
2154 continue;
2155 sas_device_priv_data = sdev->hostdata;
2156 if (!sas_device_priv_data)
2157 continue;
2158 if (sas_device_priv_data->sas_target->handle == handle) {
2159 sas_device_priv_data->sas_target->tm_busy = 1;
2160 skip = 1;
2161 ioc->ignore_loginfos = 1;
2162 }
2163 }
2164}
2165
2166/**
2167 * mpt3sas_scsih_clear_tm_flag - clear per target tm_busy
2168 * @ioc: per adapter object
2169 * @handle: device handle
2170 *
2171 * During taskmangement request, we need to freeze the device queue.
2172 */
2173void
2174mpt3sas_scsih_clear_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle)
2175{
2176 struct MPT3SAS_DEVICE *sas_device_priv_data;
2177 struct scsi_device *sdev;
2178 u8 skip = 0;
2179
2180 shost_for_each_device(sdev, ioc->shost) {
2181 if (skip)
2182 continue;
2183 sas_device_priv_data = sdev->hostdata;
2184 if (!sas_device_priv_data)
2185 continue;
2186 if (sas_device_priv_data->sas_target->handle == handle) {
2187 sas_device_priv_data->sas_target->tm_busy = 0;
2188 skip = 1;
2189 ioc->ignore_loginfos = 0;
2190 }
2191 }
2192}
2193
2194/**
2195 * mpt3sas_scsih_issue_tm - main routine for sending tm requests
2196 * @ioc: per adapter struct
2197 * @device_handle: device handle
2198 * @channel: the channel assigned by the OS
2199 * @id: the id assigned by the OS
2200 * @lun: lun number
2201 * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h)
2202 * @smid_task: smid assigned to the task
2203 * @timeout: timeout in seconds
f92363d1
SR		 2204 * @m_type: TM_MUTEX_ON or TM_MUTEX_OFF
2205 * Context: user
2206 *
2207 * A generic API for sending task management requests to firmware.
2208 *
2209 * The callback index is set inside `ioc->tm_cb_idx`.
2210 *
2211 * Return SUCCESS or FAILED.
2212 */
2213int
2214mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle, uint channel,
2215 uint id, uint lun, u8 type, u16 smid_task, ulong timeout,
c62e46de 2216 enum mutex_type m_type)
f92363d1
SR		 2217{
2218 Mpi2SCSITaskManagementRequest_t *mpi_request;
2219 Mpi2SCSITaskManagementReply_t *mpi_reply;
2220 u16 smid = 0;
2221 u32 ioc_state;
2222 unsigned long timeleft;
2223 struct scsiio_tracker *scsi_lookup = NULL;
2224 int rc;
03d1fb3a 2225 u16 msix_task = 0;
f92363d1
SR		 2226
2227 if (m_type == TM_MUTEX_ON)
2228 mutex_lock(&ioc->tm_cmds.mutex);
2229 if (ioc->tm_cmds.status != MPT3_CMD_NOT_USED) {
2230 pr_info(MPT3SAS_FMT "%s: tm_cmd busy!!!\n",
2231 __func__, ioc->name);
2232 rc = FAILED;
2233 goto err_out;
2234 }
2235
2236 if (ioc->shost_recovery || ioc->remove_host ||
2237 ioc->pci_error_recovery) {
2238 pr_info(MPT3SAS_FMT "%s: host reset in progress!\n",
2239 __func__, ioc->name);
2240 rc = FAILED;
2241 goto err_out;
2242 }
2243
2244 ioc_state = mpt3sas_base_get_iocstate(ioc, 0);
2245 if (ioc_state & MPI2_DOORBELL_USED) {
2246 dhsprintk(ioc, pr_info(MPT3SAS_FMT
2247 "unexpected doorbell active!\n", ioc->name));
2248 rc = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2249 FORCE_BIG_HAMMER);
2250 rc = (!rc) ? SUCCESS : FAILED;
2251 goto err_out;
2252 }
2253
2254 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
2255 mpt3sas_base_fault_info(ioc, ioc_state &
2256 MPI2_DOORBELL_DATA_MASK);
2257 rc = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2258 FORCE_BIG_HAMMER);
2259 rc = (!rc) ? SUCCESS : FAILED;
2260 goto err_out;
2261 }
2262
2263 smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx);
2264 if (!smid) {
2265 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
2266 ioc->name, __func__);
2267 rc = FAILED;
2268 goto err_out;
2269 }
2270
2271 if (type == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK)
2272 scsi_lookup = &ioc->scsi_lookup[smid_task - 1];
2273
2274 dtmprintk(ioc, pr_info(MPT3SAS_FMT
2275 "sending tm: handle(0x%04x), task_type(0x%02x), smid(%d)\n",
2276 ioc->name, handle, type, smid_task));
2277 ioc->tm_cmds.status = MPT3_CMD_PENDING;
2278 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
2279 ioc->tm_cmds.smid = smid;
2280 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
2281 memset(ioc->tm_cmds.reply, 0, sizeof(Mpi2SCSITaskManagementReply_t));
2282 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
2283 mpi_request->DevHandle = cpu_to_le16(handle);
2284 mpi_request->TaskType = type;
2285 mpi_request->TaskMID = cpu_to_le16(smid_task);
2286 int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN);
2287 mpt3sas_scsih_set_tm_flag(ioc, handle);
2288 init_completion(&ioc->tm_cmds.done);
03d1fb3a
SS		 2289 if ((type == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK) &&
2290 (scsi_lookup->msix_io < ioc->reply_queue_count))
2291 msix_task = scsi_lookup->msix_io;
2292 else
2293 msix_task = 0;
2294 mpt3sas_base_put_smid_hi_priority(ioc, smid, msix_task);
f92363d1
SR		 2295 timeleft = wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ);
2296 if (!(ioc->tm_cmds.status & MPT3_CMD_COMPLETE)) {
2297 pr_err(MPT3SAS_FMT "%s: timeout\n",
2298 ioc->name, __func__);
2299 _debug_dump_mf(mpi_request,
2300 sizeof(Mpi2SCSITaskManagementRequest_t)/4);
2301 if (!(ioc->tm_cmds.status & MPT3_CMD_RESET)) {
2302 rc = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2303 FORCE_BIG_HAMMER);
2304 rc = (!rc) ? SUCCESS : FAILED;
2305 ioc->tm_cmds.status = MPT3_CMD_NOT_USED;
2306 mpt3sas_scsih_clear_tm_flag(ioc, handle);
2307 goto err_out;
2308 }
2309 }
2310
5f0dfb7a
C		 2311 /* sync IRQs in case those were busy during flush. */
2312 mpt3sas_base_sync_reply_irqs(ioc);
2313
f92363d1
SR		 2314 if (ioc->tm_cmds.status & MPT3_CMD_REPLY_VALID) {
2315 mpt3sas_trigger_master(ioc, MASTER_TRIGGER_TASK_MANAGMENT);
2316 mpi_reply = ioc->tm_cmds.reply;
2317 dtmprintk(ioc, pr_info(MPT3SAS_FMT "complete tm: " \
2318 "ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n",
2319 ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
2320 le32_to_cpu(mpi_reply->IOCLogInfo),
2321 le32_to_cpu(mpi_reply->TerminationCount)));
2322 if (ioc->logging_level & MPT_DEBUG_TM) {
2323 _scsih_response_code(ioc, mpi_reply->ResponseCode);
2324 if (mpi_reply->IOCStatus)
2325 _debug_dump_mf(mpi_request,
2326 sizeof(Mpi2SCSITaskManagementRequest_t)/4);
2327 }
2328 }
2329
2330 switch (type) {
2331 case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK:
2332 rc = SUCCESS;
2333 if (scsi_lookup->scmd == NULL)
2334 break;
2335 rc = FAILED;
2336 break;
2337
2338 case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET:
2339 if (_scsih_scsi_lookup_find_by_target(ioc, id, channel))
2340 rc = FAILED;
2341 else
2342 rc = SUCCESS;
2343 break;
2344 case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET:
2345 case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET:
2346 if (_scsih_scsi_lookup_find_by_lun(ioc, id, lun, channel))
2347 rc = FAILED;
2348 else
2349 rc = SUCCESS;
2350 break;
2351 case MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK:
2352 rc = SUCCESS;
2353 break;
2354 default:
2355 rc = FAILED;
2356 break;
2357 }
2358
2359 mpt3sas_scsih_clear_tm_flag(ioc, handle);
2360 ioc->tm_cmds.status = MPT3_CMD_NOT_USED;
2361 if (m_type == TM_MUTEX_ON)
2362 mutex_unlock(&ioc->tm_cmds.mutex);
2363
2364 return rc;
2365
2366 err_out:
2367 if (m_type == TM_MUTEX_ON)
2368 mutex_unlock(&ioc->tm_cmds.mutex);
2369 return rc;
2370}
2371
2372/**
2373 * _scsih_tm_display_info - displays info about the device
2374 * @ioc: per adapter struct
2375 * @scmd: pointer to scsi command object
2376 *
2377 * Called by task management callback handlers.
2378 */
2379static void
2380_scsih_tm_display_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd)
2381{
2382 struct scsi_target *starget = scmd->device->sdev_target;
2383 struct MPT3SAS_TARGET *priv_target = starget->hostdata;
2384 struct _sas_device *sas_device = NULL;
2385 unsigned long flags;
2386 char *device_str = NULL;
2387
2388 if (!priv_target)
2389 return;
7786ab6a
SR		 2390 if (ioc->hide_ir_msg)
2391 device_str = "WarpDrive";
2392 else
2393 device_str = "volume";
f92363d1
SR		 2394
2395 scsi_print_command(scmd);
2396 if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) {
2397 starget_printk(KERN_INFO, starget,
2398 "%s handle(0x%04x), %s wwid(0x%016llx)\n",
2399 device_str, priv_target->handle,
2400 device_str, (unsigned long long)priv_target->sas_address);
2401 } else {
2402 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 2403 sas_device = __mpt3sas_get_sdev_from_target(ioc, priv_target);
f92363d1
SR		 2404 if (sas_device) {
2405 if (priv_target->flags &
2406 MPT_TARGET_FLAGS_RAID_COMPONENT) {
2407 starget_printk(KERN_INFO, starget,
2408 "volume handle(0x%04x), "
2409 "volume wwid(0x%016llx)\n",
2410 sas_device->volume_handle,
2411 (unsigned long long)sas_device->volume_wwid);
2412 }
2413 starget_printk(KERN_INFO, starget,
2414 "handle(0x%04x), sas_address(0x%016llx), phy(%d)\n",
2415 sas_device->handle,
2416 (unsigned long long)sas_device->sas_address,
2417 sas_device->phy);
e6d45e3e
SR		 2418 if (sas_device->enclosure_handle != 0)
2419 starget_printk(KERN_INFO, starget,
2420 "enclosure_logical_id(0x%016llx), slot(%d)\n",
2421 (unsigned long long)
2422 sas_device->enclosure_logical_id,
2423 sas_device->slot);
869817f9 2424 if (sas_device->connector_name[0] != '\0')
e6d45e3e
SR		 2425 starget_printk(KERN_INFO, starget,
2426 "enclosure level(0x%04x),connector name(%s)\n",
2427 sas_device->enclosure_level,
2428 sas_device->connector_name);
d1cb5e49
SR		 2429
2430 sas_device_put(sas_device);
f92363d1
SR		 2431 }
2432 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2433 }
2434}
2435
2436/**
8a7e4c24 2437 * scsih_abort - eh threads main abort routine
f92363d1
SR		 2438 * @scmd: pointer to scsi command object
2439 *
2440 * Returns SUCCESS if command aborted else FAILED
2441 */
8a7e4c24
SR		 2442int
2443scsih_abort(struct scsi_cmnd *scmd)
f92363d1
SR		 2444{
2445 struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2446 struct MPT3SAS_DEVICE *sas_device_priv_data;
2447 u16 smid;
2448 u16 handle;
2449 int r;
2450
2451 sdev_printk(KERN_INFO, scmd->device,
2452 "attempting task abort! scmd(%p)\n", scmd);
2453 _scsih_tm_display_info(ioc, scmd);
2454
2455 sas_device_priv_data = scmd->device->hostdata;
2456 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
2457 sdev_printk(KERN_INFO, scmd->device,
2458 "device been deleted! scmd(%p)\n", scmd);
2459 scmd->result = DID_NO_CONNECT << 16;
2460 scmd->scsi_done(scmd);
2461 r = SUCCESS;
2462 goto out;
2463 }
2464
2465 /* search for the command */
2466 smid = _scsih_scsi_lookup_find_by_scmd(ioc, scmd);
2467 if (!smid) {
2468 scmd->result = DID_RESET << 16;
2469 r = SUCCESS;
2470 goto out;
2471 }
2472
2473 /* for hidden raid components and volumes this is not supported */
2474 if (sas_device_priv_data->sas_target->flags &
2475 MPT_TARGET_FLAGS_RAID_COMPONENT ||
2476 sas_device_priv_data->sas_target->flags & MPT_TARGET_FLAGS_VOLUME) {
2477 scmd->result = DID_RESET << 16;
2478 r = FAILED;
2479 goto out;
2480 }
2481
2482 mpt3sas_halt_firmware(ioc);
2483
2484 handle = sas_device_priv_data->sas_target->handle;
2485 r = mpt3sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
2486 scmd->device->id, scmd->device->lun,
c62e46de 2487 MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30, TM_MUTEX_ON);
f92363d1
SR		 2488
2489 out:
2490 sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(%p)\n",
2491 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2492 return r;
2493}
2494
2495/**
8a7e4c24 2496 * scsih_dev_reset - eh threads main device reset routine
f92363d1
SR		 2497 * @scmd: pointer to scsi command object
2498 *
2499 * Returns SUCCESS if command aborted else FAILED
2500 */
8a7e4c24
SR		 2501int
2502scsih_dev_reset(struct scsi_cmnd *scmd)
f92363d1
SR		 2503{
2504 struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2505 struct MPT3SAS_DEVICE *sas_device_priv_data;
d1cb5e49 2506 struct _sas_device *sas_device = NULL;
f92363d1
SR		 2507 u16 handle;
2508 int r;
2509
d1cb5e49
SR		 2510 struct scsi_target *starget = scmd->device->sdev_target;
2511 struct MPT3SAS_TARGET *target_priv_data = starget->hostdata;
2512
f92363d1
SR		 2513 sdev_printk(KERN_INFO, scmd->device,
2514 "attempting device reset! scmd(%p)\n", scmd);
2515 _scsih_tm_display_info(ioc, scmd);
2516
2517 sas_device_priv_data = scmd->device->hostdata;
2518 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
2519 sdev_printk(KERN_INFO, scmd->device,
2520 "device been deleted! scmd(%p)\n", scmd);
2521 scmd->result = DID_NO_CONNECT << 16;
2522 scmd->scsi_done(scmd);
2523 r = SUCCESS;
2524 goto out;
2525 }
2526
2527 /* for hidden raid components obtain the volume_handle */
2528 handle = 0;
2529 if (sas_device_priv_data->sas_target->flags &
2530 MPT_TARGET_FLAGS_RAID_COMPONENT) {
d1cb5e49
SR		 2531 sas_device = mpt3sas_get_sdev_from_target(ioc,
2532 target_priv_data);
f92363d1
SR		 2533 if (sas_device)
2534 handle = sas_device->volume_handle;
f92363d1
SR		 2535 } else
2536 handle = sas_device_priv_data->sas_target->handle;
2537
2538 if (!handle) {
2539 scmd->result = DID_RESET << 16;
2540 r = FAILED;
2541 goto out;
2542 }
2543
2544 r = mpt3sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
2545 scmd->device->id, scmd->device->lun,
c62e46de 2546 MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 0, 30, TM_MUTEX_ON);
f92363d1
SR		 2547
2548 out:
2549 sdev_printk(KERN_INFO, scmd->device, "device reset: %s scmd(%p)\n",
2550 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
d1cb5e49
SR		 2551
2552 if (sas_device)
2553 sas_device_put(sas_device);
2554
f92363d1
SR		 2555 return r;
2556}
2557
2558/**
8a7e4c24 2559 * scsih_target_reset - eh threads main target reset routine
f92363d1
SR		 2560 * @scmd: pointer to scsi command object
2561 *
2562 * Returns SUCCESS if command aborted else FAILED
2563 */
8a7e4c24
SR		 2564int
2565scsih_target_reset(struct scsi_cmnd *scmd)
f92363d1
SR		 2566{
2567 struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2568 struct MPT3SAS_DEVICE *sas_device_priv_data;
d1cb5e49 2569 struct _sas_device *sas_device = NULL;
f92363d1
SR		 2570 u16 handle;
2571 int r;
2572 struct scsi_target *starget = scmd->device->sdev_target;
d1cb5e49 2573 struct MPT3SAS_TARGET *target_priv_data = starget->hostdata;
f92363d1
SR		 2574
2575 starget_printk(KERN_INFO, starget, "attempting target reset! scmd(%p)\n",
2576 scmd);
2577 _scsih_tm_display_info(ioc, scmd);
2578
2579 sas_device_priv_data = scmd->device->hostdata;
2580 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
2581 starget_printk(KERN_INFO, starget, "target been deleted! scmd(%p)\n",
2582 scmd);
2583 scmd->result = DID_NO_CONNECT << 16;
2584 scmd->scsi_done(scmd);
2585 r = SUCCESS;
2586 goto out;
2587 }
2588
2589 /* for hidden raid components obtain the volume_handle */
2590 handle = 0;
2591 if (sas_device_priv_data->sas_target->flags &
2592 MPT_TARGET_FLAGS_RAID_COMPONENT) {
d1cb5e49
SR		 2593 sas_device = mpt3sas_get_sdev_from_target(ioc,
2594 target_priv_data);
f92363d1
SR		 2595 if (sas_device)
2596 handle = sas_device->volume_handle;
f92363d1
SR		 2597 } else
2598 handle = sas_device_priv_data->sas_target->handle;
2599
2600 if (!handle) {
2601 scmd->result = DID_RESET << 16;
2602 r = FAILED;
2603 goto out;
2604 }
2605
2606 r = mpt3sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
2607 scmd->device->id, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0,
c62e46de 2608 30, TM_MUTEX_ON);
f92363d1
SR		 2609
2610 out:
2611 starget_printk(KERN_INFO, starget, "target reset: %s scmd(%p)\n",
2612 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
d1cb5e49
SR		 2613
2614 if (sas_device)
2615 sas_device_put(sas_device);
2616
f92363d1
SR		 2617 return r;
2618}
2619
2620
2621/**
8a7e4c24 2622 * scsih_host_reset - eh threads main host reset routine
f92363d1
SR		 2623 * @scmd: pointer to scsi command object
2624 *
2625 * Returns SUCCESS if command aborted else FAILED
2626 */
8a7e4c24
SR		 2627int
2628scsih_host_reset(struct scsi_cmnd *scmd)
f92363d1
SR		 2629{
2630 struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2631 int r, retval;
2632
2633 pr_info(MPT3SAS_FMT "attempting host reset! scmd(%p)\n",
2634 ioc->name, scmd);
2635 scsi_print_command(scmd);
2636
ddb588be
SR		 2637 if (ioc->is_driver_loading) {
2638 pr_info(MPT3SAS_FMT "Blocking the host reset\n",
2639 ioc->name);
2640 r = FAILED;
2641 goto out;
2642 }
2643
f92363d1
SR		 2644 retval = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2645 FORCE_BIG_HAMMER);
2646 r = (retval < 0) ? FAILED : SUCCESS;
ddb588be 2647out:
f92363d1
SR		 2648 pr_info(MPT3SAS_FMT "host reset: %s scmd(%p)\n",
2649 ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2650
2651 return r;
2652}
2653
2654/**
2655 * _scsih_fw_event_add - insert and queue up fw_event
2656 * @ioc: per adapter object
2657 * @fw_event: object describing the event
2658 * Context: This function will acquire ioc->fw_event_lock.
2659 *
2660 * This adds the firmware event object into link list, then queues it up to
2661 * be processed from user context.
2662 *
2663 * Return nothing.
2664 */
2665static void
2666_scsih_fw_event_add(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
2667{
2668 unsigned long flags;
2669
2670 if (ioc->firmware_event_thread == NULL)
2671 return;
2672
2673 spin_lock_irqsave(&ioc->fw_event_lock, flags);
146b16c8 2674 fw_event_work_get(fw_event);
f92363d1
SR		 2675 INIT_LIST_HEAD(&fw_event->list);
2676 list_add_tail(&fw_event->list, &ioc->fw_event_list);
2677 INIT_WORK(&fw_event->work, _firmware_event_work);
146b16c8 2678 fw_event_work_get(fw_event);
f92363d1
SR		 2679 queue_work(ioc->firmware_event_thread, &fw_event->work);
2680 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2681}
2682
2683/**
146b16c8 2684 * _scsih_fw_event_del_from_list - delete fw_event from the list
f92363d1
SR		 2685 * @ioc: per adapter object
2686 * @fw_event: object describing the event
2687 * Context: This function will acquire ioc->fw_event_lock.
2688 *
146b16c8 2689 * If the fw_event is on the fw_event_list, remove it and do a put.
f92363d1
SR		 2690 *
2691 * Return nothing.
2692 */
2693static void
146b16c8 2694_scsih_fw_event_del_from_list(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work
f92363d1
SR		 2695 *fw_event)
2696{
2697 unsigned long flags;
2698
2699 spin_lock_irqsave(&ioc->fw_event_lock, flags);
146b16c8
SR		 2700 if (!list_empty(&fw_event->list)) {
2701 list_del_init(&fw_event->list);
2702 fw_event_work_put(fw_event);
2703 }
f92363d1
SR		 2704 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2705}
2706
2707
2708 /**
2709 * mpt3sas_send_trigger_data_event - send event for processing trigger data
2710 * @ioc: per adapter object
2711 * @event_data: trigger event data
2712 *
2713 * Return nothing.
2714 */
2715void
2716mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER *ioc,
2717 struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data)
2718{
2719 struct fw_event_work *fw_event;
146b16c8 2720 u16 sz;
f92363d1
SR		 2721
2722 if (ioc->is_driver_loading)
2723 return;
146b16c8
SR		 2724 sz = sizeof(*event_data);
2725 fw_event = alloc_fw_event_work(sz);
f92363d1
SR		 2726 if (!fw_event)
2727 return;
f92363d1
SR		 2728 fw_event->event = MPT3SAS_PROCESS_TRIGGER_DIAG;
2729 fw_event->ioc = ioc;
2730 memcpy(fw_event->event_data, event_data, sizeof(*event_data));
2731 _scsih_fw_event_add(ioc, fw_event);
146b16c8 2732 fw_event_work_put(fw_event);
f92363d1
SR		 2733}
2734
2735/**
2736 * _scsih_error_recovery_delete_devices - remove devices not responding
2737 * @ioc: per adapter object
2738 *
2739 * Return nothing.
2740 */
2741static void
2742_scsih_error_recovery_delete_devices(struct MPT3SAS_ADAPTER *ioc)
2743{
2744 struct fw_event_work *fw_event;
2745
2746 if (ioc->is_driver_loading)
2747 return;
146b16c8 2748 fw_event = alloc_fw_event_work(0);
f92363d1
SR		 2749 if (!fw_event)
2750 return;
2751 fw_event->event = MPT3SAS_REMOVE_UNRESPONDING_DEVICES;
2752 fw_event->ioc = ioc;
2753 _scsih_fw_event_add(ioc, fw_event);
146b16c8 2754 fw_event_work_put(fw_event);
f92363d1
SR		 2755}
2756
2757/**
2758 * mpt3sas_port_enable_complete - port enable completed (fake event)
2759 * @ioc: per adapter object
2760 *
2761 * Return nothing.
2762 */
2763void
2764mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc)
2765{
2766 struct fw_event_work *fw_event;
2767
146b16c8 2768 fw_event = alloc_fw_event_work(0);
f92363d1
SR		 2769 if (!fw_event)
2770 return;
2771 fw_event->event = MPT3SAS_PORT_ENABLE_COMPLETE;
2772 fw_event->ioc = ioc;
2773 _scsih_fw_event_add(ioc, fw_event);
146b16c8
SR		 2774 fw_event_work_put(fw_event);
2775}
2776
2777static struct fw_event_work *dequeue_next_fw_event(struct MPT3SAS_ADAPTER *ioc)
2778{
2779 unsigned long flags;
2780 struct fw_event_work *fw_event = NULL;
2781
2782 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2783 if (!list_empty(&ioc->fw_event_list)) {
2784 fw_event = list_first_entry(&ioc->fw_event_list,
2785 struct fw_event_work, list);
2786 list_del_init(&fw_event->list);
2787 }
2788 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2789
2790 return fw_event;
f92363d1
SR		 2791}
2792
2793/**
2794 * _scsih_fw_event_cleanup_queue - cleanup event queue
2795 * @ioc: per adapter object
2796 *
2797 * Walk the firmware event queue, either killing timers, or waiting
2798 * for outstanding events to complete
2799 *
2800 * Return nothing.
2801 */
2802static void
2803_scsih_fw_event_cleanup_queue(struct MPT3SAS_ADAPTER *ioc)
2804{
146b16c8 2805 struct fw_event_work *fw_event;
f92363d1
SR		 2806
2807 if (list_empty(&ioc->fw_event_list) ||
2808 !ioc->firmware_event_thread || in_interrupt())
2809 return;
2810
146b16c8
SR		 2811 while ((fw_event = dequeue_next_fw_event(ioc))) {
2812 /*
2813 * Wait on the fw_event to complete. If this returns 1, then
2814 * the event was never executed, and we need a put for the
b8ac0cc7 2815 * reference the work had on the fw_event.
146b16c8
SR		 2816 *
2817 * If it did execute, we wait for it to finish, and the put will
2818 * happen from _firmware_event_work()
2819 */
b8ac0cc7 2820 if (cancel_work_sync(&fw_event->work))
146b16c8
SR		 2821 fw_event_work_put(fw_event);
2822
2823 fw_event_work_put(fw_event);
f92363d1
SR		 2824 }
2825}
2826
df838f92
SR		 2827/**
2828 * _scsih_internal_device_block - block the sdev device
2829 * @sdev: per device object
2830 * @sas_device_priv_data : per device driver private data
2831 *
2832 * make sure device is blocked without error, if not
2833 * print an error
2834 */
2835static void
2836_scsih_internal_device_block(struct scsi_device *sdev,
2837 struct MPT3SAS_DEVICE *sas_device_priv_data)
2838{
2839 int r = 0;
2840
2841 sdev_printk(KERN_INFO, sdev, "device_block, handle(0x%04x)\n",
2842 sas_device_priv_data->sas_target->handle);
2843 sas_device_priv_data->block = 1;
2844
2845 r = scsi_internal_device_block(sdev);
2846 if (r == -EINVAL)
2847 sdev_printk(KERN_WARNING, sdev,
2848 "device_block failed with return(%d) for handle(0x%04x)\n",
2849 sas_device_priv_data->sas_target->handle, r);
2850}
2851
2852/**
2853 * _scsih_internal_device_unblock - unblock the sdev device
2854 * @sdev: per device object
2855 * @sas_device_priv_data : per device driver private data
2856 * make sure device is unblocked without error, if not retry
2857 * by blocking and then unblocking
2858 */
2859
2860static void
2861_scsih_internal_device_unblock(struct scsi_device *sdev,
2862 struct MPT3SAS_DEVICE *sas_device_priv_data)
2863{
2864 int r = 0;
2865
2866 sdev_printk(KERN_WARNING, sdev, "device_unblock and setting to running, "
2867 "handle(0x%04x)\n", sas_device_priv_data->sas_target->handle);
2868 sas_device_priv_data->block = 0;
2869 r = scsi_internal_device_unblock(sdev, SDEV_RUNNING);
2870 if (r == -EINVAL) {
2871 /* The device has been set to SDEV_RUNNING by SD layer during
2872 * device addition but the request queue is still stopped by
2873 * our earlier block call. We need to perform a block again
2874 * to get the device to SDEV_BLOCK and then to SDEV_RUNNING */
2875
2876 sdev_printk(KERN_WARNING, sdev,
2877 "device_unblock failed with return(%d) for handle(0x%04x) "
2878 "performing a block followed by an unblock\n",
2879 sas_device_priv_data->sas_target->handle, r);
2880 sas_device_priv_data->block = 1;
2881 r = scsi_internal_device_block(sdev);
2882 if (r)
2883 sdev_printk(KERN_WARNING, sdev, "retried device_block "
2884 "failed with return(%d) for handle(0x%04x)\n",
2885 sas_device_priv_data->sas_target->handle, r);
2886
2887 sas_device_priv_data->block = 0;
2888 r = scsi_internal_device_unblock(sdev, SDEV_RUNNING);
2889 if (r)
2890 sdev_printk(KERN_WARNING, sdev, "retried device_unblock"
2891 " failed with return(%d) for handle(0x%04x)\n",
2892 sas_device_priv_data->sas_target->handle, r);
2893 }
2894}
2895
f92363d1
SR		 2896/**
2897 * _scsih_ublock_io_all_device - unblock every device
2898 * @ioc: per adapter object
2899 *
2900 * change the device state from block to running
2901 */
2902static void
2903_scsih_ublock_io_all_device(struct MPT3SAS_ADAPTER *ioc)
2904{
2905 struct MPT3SAS_DEVICE *sas_device_priv_data;
2906 struct scsi_device *sdev;
2907
2908 shost_for_each_device(sdev, ioc->shost) {
2909 sas_device_priv_data = sdev->hostdata;
2910 if (!sas_device_priv_data)
2911 continue;
2912 if (!sas_device_priv_data->block)
2913 continue;
2914
f92363d1
SR		 2915 dewtprintk(ioc, sdev_printk(KERN_INFO, sdev,
2916 "device_running, handle(0x%04x)\n",
2917 sas_device_priv_data->sas_target->handle));
df838f92 2918 _scsih_internal_device_unblock(sdev, sas_device_priv_data);
f92363d1
SR		 2919 }
2920}
2921
2922
2923/**
2924 * _scsih_ublock_io_device - prepare device to be deleted
2925 * @ioc: per adapter object
2926 * @sas_addr: sas address
2927 *
2928 * unblock then put device in offline state
2929 */
2930static void
2931_scsih_ublock_io_device(struct MPT3SAS_ADAPTER *ioc, u64 sas_address)
2932{
2933 struct MPT3SAS_DEVICE *sas_device_priv_data;
2934 struct scsi_device *sdev;
2935
2936 shost_for_each_device(sdev, ioc->shost) {
2937 sas_device_priv_data = sdev->hostdata;
2938 if (!sas_device_priv_data)
2939 continue;
2940 if (sas_device_priv_data->sas_target->sas_address
2941 != sas_address)
2942 continue;
df838f92
SR		 2943 if (sas_device_priv_data->block)
2944 _scsih_internal_device_unblock(sdev,
2945 sas_device_priv_data);
f92363d1
SR		 2946 }
2947}
2948
2949/**
2950 * _scsih_block_io_all_device - set the device state to SDEV_BLOCK
2951 * @ioc: per adapter object
2952 * @handle: device handle
2953 *
2954 * During device pull we need to appropiately set the sdev state.
2955 */
2956static void
2957_scsih_block_io_all_device(struct MPT3SAS_ADAPTER *ioc)
2958{
2959 struct MPT3SAS_DEVICE *sas_device_priv_data;
2960 struct scsi_device *sdev;
2961
2962 shost_for_each_device(sdev, ioc->shost) {
2963 sas_device_priv_data = sdev->hostdata;
2964 if (!sas_device_priv_data)
2965 continue;
2966 if (sas_device_priv_data->block)
2967 continue;
30158dc9
SS		 2968 if (sas_device_priv_data->ignore_delay_remove) {
2969 sdev_printk(KERN_INFO, sdev,
2970 "%s skip device_block for SES handle(0x%04x)\n",
2971 __func__, sas_device_priv_data->sas_target->handle);
2972 continue;
2973 }
df838f92 2974 _scsih_internal_device_block(sdev, sas_device_priv_data);
f92363d1
SR		 2975 }
2976}
2977
2978/**
2979 * _scsih_block_io_device - set the device state to SDEV_BLOCK
2980 * @ioc: per adapter object
2981 * @handle: device handle
2982 *
2983 * During device pull we need to appropiately set the sdev state.
2984 */
2985static void
2986_scsih_block_io_device(struct MPT3SAS_ADAPTER *ioc, u16 handle)
2987{
2988 struct MPT3SAS_DEVICE *sas_device_priv_data;
2989 struct scsi_device *sdev;
e4bc7f5c
SR		 2990 struct _sas_device *sas_device;
2991
d1cb5e49 2992 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
e4bc7f5c
SR		 2993 if (!sas_device)
2994 return;
f92363d1
SR		 2995
2996 shost_for_each_device(sdev, ioc->shost) {
2997 sas_device_priv_data = sdev->hostdata;
2998 if (!sas_device_priv_data)
2999 continue;
3000 if (sas_device_priv_data->sas_target->handle != handle)
3001 continue;
3002 if (sas_device_priv_data->block)
3003 continue;
e4bc7f5c
SR		 3004 if (sas_device->pend_sas_rphy_add)
3005 continue;
30158dc9
SS		 3006 if (sas_device_priv_data->ignore_delay_remove) {
3007 sdev_printk(KERN_INFO, sdev,
3008 "%s skip device_block for SES handle(0x%04x)\n",
3009 __func__, sas_device_priv_data->sas_target->handle);
3010 continue;
3011 }
df838f92 3012 _scsih_internal_device_block(sdev, sas_device_priv_data);
f92363d1 3013 }
d1cb5e49
SR		 3014
3015 sas_device_put(sas_device);
f92363d1
SR		 3016}
3017
3018/**
3019 * _scsih_block_io_to_children_attached_to_ex
3020 * @ioc: per adapter object
3021 * @sas_expander: the sas_device object
3022 *
3023 * This routine set sdev state to SDEV_BLOCK for all devices
3024 * attached to this expander. This function called when expander is
3025 * pulled.
3026 */
3027static void
3028_scsih_block_io_to_children_attached_to_ex(struct MPT3SAS_ADAPTER *ioc,
3029 struct _sas_node *sas_expander)
3030{
3031 struct _sas_port *mpt3sas_port;
3032 struct _sas_device *sas_device;
3033 struct _sas_node *expander_sibling;
3034 unsigned long flags;
3035
3036 if (!sas_expander)
3037 return;
3038
3039 list_for_each_entry(mpt3sas_port,
3040 &sas_expander->sas_port_list, port_list) {
3041 if (mpt3sas_port->remote_identify.device_type ==
3042 SAS_END_DEVICE) {
3043 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49
SR		 3044 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
3045 mpt3sas_port->remote_identify.sas_address);
3046 if (sas_device) {
f92363d1 3047 set_bit(sas_device->handle,
d1cb5e49
SR		 3048 ioc->blocking_handles);
3049 sas_device_put(sas_device);
3050 }
f92363d1
SR		 3051 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
3052 }
3053 }
3054
3055 list_for_each_entry(mpt3sas_port,
3056 &sas_expander->sas_port_list, port_list) {
3057
3058 if (mpt3sas_port->remote_identify.device_type ==
3059 SAS_EDGE_EXPANDER_DEVICE ||
3060 mpt3sas_port->remote_identify.device_type ==
3061 SAS_FANOUT_EXPANDER_DEVICE) {
3062 expander_sibling =
3063 mpt3sas_scsih_expander_find_by_sas_address(
3064 ioc, mpt3sas_port->remote_identify.sas_address);
3065 _scsih_block_io_to_children_attached_to_ex(ioc,
3066 expander_sibling);
3067 }
3068 }
3069}
3070
3071/**
3072 * _scsih_block_io_to_children_attached_directly
3073 * @ioc: per adapter object
3074 * @event_data: topology change event data
3075 *
3076 * This routine set sdev state to SDEV_BLOCK for all devices
3077 * direct attached during device pull.
3078 */
3079static void
3080_scsih_block_io_to_children_attached_directly(struct MPT3SAS_ADAPTER *ioc,
3081 Mpi2EventDataSasTopologyChangeList_t *event_data)
3082{
3083 int i;
3084 u16 handle;
3085 u16 reason_code;
f92363d1
SR		 3086
3087 for (i = 0; i < event_data->NumEntries; i++) {
3088 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
3089 if (!handle)
3090 continue;
f92363d1
SR		 3091 reason_code = event_data->PHY[i].PhyStatus &
3092 MPI2_EVENT_SAS_TOPO_RC_MASK;
3093 if (reason_code == MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING)
3094 _scsih_block_io_device(ioc, handle);
3095 }
3096}
3097
3098/**
3099 * _scsih_tm_tr_send - send task management request
3100 * @ioc: per adapter object
3101 * @handle: device handle
3102 * Context: interrupt time.
3103 *
3104 * This code is to initiate the device removal handshake protocol
3105 * with controller firmware. This function will issue target reset
3106 * using high priority request queue. It will send a sas iounit
3107 * control request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion.
3108 *
3109 * This is designed to send muliple task management request at the same
3110 * time to the fifo. If the fifo is full, we will append the request,
3111 * and process it in a future completion.
3112 */
3113static void
3114_scsih_tm_tr_send(struct MPT3SAS_ADAPTER *ioc, u16 handle)
3115{
3116 Mpi2SCSITaskManagementRequest_t *mpi_request;
3117 u16 smid;
d1cb5e49 3118 struct _sas_device *sas_device = NULL;
f92363d1
SR		 3119 struct MPT3SAS_TARGET *sas_target_priv_data = NULL;
3120 u64 sas_address = 0;
3121 unsigned long flags;
3122 struct _tr_list *delayed_tr;
3123 u32 ioc_state;
3124
3125 if (ioc->remove_host) {
3126 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3127 "%s: host has been removed: handle(0x%04x)\n",
3128 __func__, ioc->name, handle));
3129 return;
3130 } else if (ioc->pci_error_recovery) {
3131 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3132 "%s: host in pci error recovery: handle(0x%04x)\n",
3133 __func__, ioc->name,
3134 handle));
3135 return;
3136 }
3137 ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
3138 if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
3139 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3140 "%s: host is not operational: handle(0x%04x)\n",
3141 __func__, ioc->name,
3142 handle));
3143 return;
3144 }
3145
3146 /* if PD, then return */
3147 if (test_bit(handle, ioc->pd_handles))
3148 return;
3149
3150 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 3151 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
f92363d1
SR		 3152 if (sas_device && sas_device->starget &&
3153 sas_device->starget->hostdata) {
3154 sas_target_priv_data = sas_device->starget->hostdata;
3155 sas_target_priv_data->deleted = 1;
3156 sas_address = sas_device->sas_address;
3157 }
3158 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
3159
3160 if (sas_target_priv_data) {
3161 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3162 "setting delete flag: handle(0x%04x), sas_addr(0x%016llx)\n",
3163 ioc->name, handle,
3164 (unsigned long long)sas_address));
e6d45e3e
SR		 3165 if (sas_device->enclosure_handle != 0)
3166 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3167 "setting delete flag:enclosure logical id(0x%016llx),"
3168 " slot(%d)\n", ioc->name, (unsigned long long)
3169 sas_device->enclosure_logical_id,
3170 sas_device->slot));
869817f9 3171 if (sas_device->connector_name[0] != '\0')
e6d45e3e
SR		 3172 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3173 "setting delete flag: enclosure level(0x%04x),"
3174 " connector name( %s)\n", ioc->name,
3175 sas_device->enclosure_level,
3176 sas_device->connector_name));
f92363d1
SR		 3177 _scsih_ublock_io_device(ioc, sas_address);
3178 sas_target_priv_data->handle = MPT3SAS_INVALID_DEVICE_HANDLE;
3179 }
3180
3181 smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_tr_cb_idx);
3182 if (!smid) {
3183 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
3184 if (!delayed_tr)
d1cb5e49 3185 goto out;
f92363d1
SR		 3186 INIT_LIST_HEAD(&delayed_tr->list);
3187 delayed_tr->handle = handle;
3188 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list);
3189 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3190 "DELAYED:tr:handle(0x%04x), (open)\n",
3191 ioc->name, handle));
d1cb5e49 3192 goto out;
f92363d1
SR		 3193 }
3194
3195 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3196 "tr_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
3197 ioc->name, handle, smid,
3198 ioc->tm_tr_cb_idx));
3199 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
3200 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
3201 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
3202 mpi_request->DevHandle = cpu_to_le16(handle);
3203 mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
03d1fb3a 3204 mpt3sas_base_put_smid_hi_priority(ioc, smid, 0);
f92363d1 3205 mpt3sas_trigger_master(ioc, MASTER_TRIGGER_DEVICE_REMOVAL);
d1cb5e49
SR		 3206
3207out:
3208 if (sas_device)
3209 sas_device_put(sas_device);
f92363d1
SR		 3210}
3211
3212/**
3213 * _scsih_tm_tr_complete -
3214 * @ioc: per adapter object
3215 * @smid: system request message index
3216 * @msix_index: MSIX table index supplied by the OS
3217 * @reply: reply message frame(lower 32bit addr)
3218 * Context: interrupt time.
3219 *
3220 * This is the target reset completion routine.
3221 * This code is part of the code to initiate the device removal
3222 * handshake protocol with controller firmware.
3223 * It will send a sas iounit control request (MPI2_SAS_OP_REMOVE_DEVICE)
3224 *
3225 * Return 1 meaning mf should be freed from _base_interrupt
3226 * 0 means the mf is freed from this function.
3227 */
3228static u8
3229_scsih_tm_tr_complete(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
3230 u32 reply)
3231{
3232 u16 handle;
3233 Mpi2SCSITaskManagementRequest_t *mpi_request_tm;
3234 Mpi2SCSITaskManagementReply_t *mpi_reply =
3235 mpt3sas_base_get_reply_virt_addr(ioc, reply);
3236 Mpi2SasIoUnitControlRequest_t *mpi_request;
3237 u16 smid_sas_ctrl;
3238 u32 ioc_state;
fd0331b3 3239 struct _sc_list *delayed_sc;
f92363d1
SR		 3240
3241 if (ioc->remove_host) {
3242 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3243 "%s: host has been removed\n", __func__, ioc->name));
3244 return 1;
3245 } else if (ioc->pci_error_recovery) {
3246 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3247 "%s: host in pci error recovery\n", __func__,
3248 ioc->name));
3249 return 1;
3250 }
3251 ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
3252 if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
3253 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3254 "%s: host is not operational\n", __func__, ioc->name));
3255 return 1;
3256 }
3257 if (unlikely(!mpi_reply)) {
3258 pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n",
3259 ioc->name, __FILE__, __LINE__, __func__);
3260 return 1;
3261 }
3262 mpi_request_tm = mpt3sas_base_get_msg_frame(ioc, smid);
3263 handle = le16_to_cpu(mpi_request_tm->DevHandle);
3264 if (handle != le16_to_cpu(mpi_reply->DevHandle)) {
3265 dewtprintk(ioc, pr_err(MPT3SAS_FMT
3266 "spurious interrupt: handle(0x%04x:0x%04x), smid(%d)!!!\n",
3267 ioc->name, handle,
3268 le16_to_cpu(mpi_reply->DevHandle), smid));
3269 return 0;
3270 }
3271
3272 mpt3sas_trigger_master(ioc, MASTER_TRIGGER_TASK_MANAGMENT);
3273 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3274 "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
3275 "loginfo(0x%08x), completed(%d)\n", ioc->name,
3276 handle, smid, le16_to_cpu(mpi_reply->IOCStatus),
3277 le32_to_cpu(mpi_reply->IOCLogInfo),
3278 le32_to_cpu(mpi_reply->TerminationCount)));
3279
3280 smid_sas_ctrl = mpt3sas_base_get_smid(ioc, ioc->tm_sas_control_cb_idx);
3281 if (!smid_sas_ctrl) {
fd0331b3
SS		 3282 delayed_sc = kzalloc(sizeof(*delayed_sc), GFP_ATOMIC);
3283 if (!delayed_sc)
3284 return _scsih_check_for_pending_tm(ioc, smid);
3285 INIT_LIST_HEAD(&delayed_sc->list);
3286 delayed_sc->handle = mpi_request_tm->DevHandle;
3287 list_add_tail(&delayed_sc->list, &ioc->delayed_sc_list);
3288 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3289 "DELAYED:sc:handle(0x%04x), (open)\n",
3290 ioc->name, handle));
3291 return _scsih_check_for_pending_tm(ioc, smid);
f92363d1
SR		 3292 }
3293
3294 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3295 "sc_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
3296 ioc->name, handle, smid_sas_ctrl,
3297 ioc->tm_sas_control_cb_idx));
3298 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid_sas_ctrl);
3299 memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t));
3300 mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
3301 mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE;
3302 mpi_request->DevHandle = mpi_request_tm->DevHandle;
3303 mpt3sas_base_put_smid_default(ioc, smid_sas_ctrl);
3304
3305 return _scsih_check_for_pending_tm(ioc, smid);
3306}
3307
3308
3309/**
3310 * _scsih_sas_control_complete - completion routine
3311 * @ioc: per adapter object
3312 * @smid: system request message index
3313 * @msix_index: MSIX table index supplied by the OS
3314 * @reply: reply message frame(lower 32bit addr)
3315 * Context: interrupt time.
3316 *
3317 * This is the sas iounit control completion routine.
3318 * This code is part of the code to initiate the device removal
3319 * handshake protocol with controller firmware.
3320 *
3321 * Return 1 meaning mf should be freed from _base_interrupt
3322 * 0 means the mf is freed from this function.
3323 */
3324static u8
3325_scsih_sas_control_complete(struct MPT3SAS_ADAPTER *ioc, u16 smid,
3326 u8 msix_index, u32 reply)
3327{
3328 Mpi2SasIoUnitControlReply_t *mpi_reply =
3329 mpt3sas_base_get_reply_virt_addr(ioc, reply);
3330
3331 if (likely(mpi_reply)) {
3332 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3333 "sc_complete:handle(0x%04x), (open) "
3334 "smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n",
3335 ioc->name, le16_to_cpu(mpi_reply->DevHandle), smid,
3336 le16_to_cpu(mpi_reply->IOCStatus),
3337 le32_to_cpu(mpi_reply->IOCLogInfo)));
3338 } else {
3339 pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n",
3340 ioc->name, __FILE__, __LINE__, __func__);
3341 }
fd0331b3 3342 return mpt3sas_check_for_pending_internal_cmds(ioc, smid);
f92363d1
SR		 3343}
3344
3345/**
3346 * _scsih_tm_tr_volume_send - send target reset request for volumes
3347 * @ioc: per adapter object
3348 * @handle: device handle
3349 * Context: interrupt time.
3350 *
3351 * This is designed to send muliple task management request at the same
3352 * time to the fifo. If the fifo is full, we will append the request,
3353 * and process it in a future completion.
3354 */
3355static void
3356_scsih_tm_tr_volume_send(struct MPT3SAS_ADAPTER *ioc, u16 handle)
3357{
3358 Mpi2SCSITaskManagementRequest_t *mpi_request;
3359 u16 smid;
3360 struct _tr_list *delayed_tr;
3361
3362 if (ioc->shost_recovery || ioc->remove_host ||
3363 ioc->pci_error_recovery) {
3364 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3365 "%s: host reset in progress!\n",
3366 __func__, ioc->name));
3367 return;
3368 }
3369
3370 smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_tr_volume_cb_idx);
3371 if (!smid) {
3372 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
3373 if (!delayed_tr)
3374 return;
3375 INIT_LIST_HEAD(&delayed_tr->list);
3376 delayed_tr->handle = handle;
3377 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_volume_list);
3378 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3379 "DELAYED:tr:handle(0x%04x), (open)\n",
3380 ioc->name, handle));
3381 return;
3382 }
3383
3384 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3385 "tr_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
3386 ioc->name, handle, smid,
3387 ioc->tm_tr_volume_cb_idx));
3388 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
3389 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
3390 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
3391 mpi_request->DevHandle = cpu_to_le16(handle);
3392 mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
03d1fb3a 3393 mpt3sas_base_put_smid_hi_priority(ioc, smid, 0);
f92363d1
SR		 3394}
3395
3396/**
3397 * _scsih_tm_volume_tr_complete - target reset completion
3398 * @ioc: per adapter object
3399 * @smid: system request message index
3400 * @msix_index: MSIX table index supplied by the OS
3401 * @reply: reply message frame(lower 32bit addr)
3402 * Context: interrupt time.
3403 *
3404 * Return 1 meaning mf should be freed from _base_interrupt
3405 * 0 means the mf is freed from this function.
3406 */
3407static u8
3408_scsih_tm_volume_tr_complete(struct MPT3SAS_ADAPTER *ioc, u16 smid,
3409 u8 msix_index, u32 reply)
3410{
3411 u16 handle;
3412 Mpi2SCSITaskManagementRequest_t *mpi_request_tm;
3413 Mpi2SCSITaskManagementReply_t *mpi_reply =
3414 mpt3sas_base_get_reply_virt_addr(ioc, reply);
3415
3416 if (ioc->shost_recovery || ioc->remove_host ||
3417 ioc->pci_error_recovery) {
3418 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3419 "%s: host reset in progress!\n",
3420 __func__, ioc->name));
3421 return 1;
3422 }
3423 if (unlikely(!mpi_reply)) {
3424 pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n",
3425 ioc->name, __FILE__, __LINE__, __func__);
3426 return 1;
3427 }
3428
3429 mpi_request_tm = mpt3sas_base_get_msg_frame(ioc, smid);
3430 handle = le16_to_cpu(mpi_request_tm->DevHandle);
3431 if (handle != le16_to_cpu(mpi_reply->DevHandle)) {
3432 dewtprintk(ioc, pr_err(MPT3SAS_FMT
3433 "spurious interrupt: handle(0x%04x:0x%04x), smid(%d)!!!\n",
3434 ioc->name, handle,
3435 le16_to_cpu(mpi_reply->DevHandle), smid));
3436 return 0;
3437 }
3438
3439 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3440 "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
3441 "loginfo(0x%08x), completed(%d)\n", ioc->name,
3442 handle, smid, le16_to_cpu(mpi_reply->IOCStatus),
3443 le32_to_cpu(mpi_reply->IOCLogInfo),
3444 le32_to_cpu(mpi_reply->TerminationCount)));
3445
3446 return _scsih_check_for_pending_tm(ioc, smid);
3447}
3448
fd0331b3
SS		 3449/**
3450 * _scsih_issue_delayed_event_ack - issue delayed Event ACK messages
3451 * @ioc: per adapter object
3452 * @smid: system request message index
3453 * @event: Event ID
3454 * @event_context: used to track events uniquely
3455 *
3456 * Context - processed in interrupt context.
3457 */
3458void
3459_scsih_issue_delayed_event_ack(struct MPT3SAS_ADAPTER *ioc, u16 smid, u16 event,
3460 u32 event_context)
3461{
3462 Mpi2EventAckRequest_t *ack_request;
3463 int i = smid - ioc->internal_smid;
3464 unsigned long flags;
3465
3466 /* Without releasing the smid just update the
3467 * call back index and reuse the same smid for
3468 * processing this delayed request
3469 */
3470 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
3471 ioc->internal_lookup[i].cb_idx = ioc->base_cb_idx;
3472 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
3473
3474 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3475 "EVENT ACK: event(0x%04x), smid(%d), cb(%d)\n",
3476 ioc->name, le16_to_cpu(event), smid,
3477 ioc->base_cb_idx));
3478 ack_request = mpt3sas_base_get_msg_frame(ioc, smid);
3479 memset(ack_request, 0, sizeof(Mpi2EventAckRequest_t));
3480 ack_request->Function = MPI2_FUNCTION_EVENT_ACK;
3481 ack_request->Event = event;
3482 ack_request->EventContext = event_context;
3483 ack_request->VF_ID = 0; /* TODO */
3484 ack_request->VP_ID = 0;
3485 mpt3sas_base_put_smid_default(ioc, smid);
3486}
3487
3488/**
3489 * _scsih_issue_delayed_sas_io_unit_ctrl - issue delayed
3490 * sas_io_unit_ctrl messages
3491 * @ioc: per adapter object
3492 * @smid: system request message index
3493 * @handle: device handle
3494 *
3495 * Context - processed in interrupt context.
3496 */
3497void
3498_scsih_issue_delayed_sas_io_unit_ctrl(struct MPT3SAS_ADAPTER *ioc,
3499 u16 smid, u16 handle)
3500 {
3501 Mpi2SasIoUnitControlRequest_t *mpi_request;
3502 u32 ioc_state;
3503 int i = smid - ioc->internal_smid;
3504 unsigned long flags;
3505
3506 if (ioc->remove_host) {
3507 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3508 "%s: host has been removed\n",
3509 __func__, ioc->name));
3510 return;
3511 } else if (ioc->pci_error_recovery) {
3512 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3513 "%s: host in pci error recovery\n",
3514 __func__, ioc->name));
3515 return;
3516 }
3517 ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
3518 if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
3519 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3520 "%s: host is not operational\n",
3521 __func__, ioc->name));
3522 return;
3523 }
3524
3525 /* Without releasing the smid just update the
3526 * call back index and reuse the same smid for
3527 * processing this delayed request
3528 */
3529 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
3530 ioc->internal_lookup[i].cb_idx = ioc->tm_sas_control_cb_idx;
3531 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
3532
3533 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3534 "sc_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
3535 ioc->name, le16_to_cpu(handle), smid,
3536 ioc->tm_sas_control_cb_idx));
3537 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
3538 memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t));
3539 mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
3540 mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE;
3541 mpi_request->DevHandle = handle;
3542 mpt3sas_base_put_smid_default(ioc, smid);
3543}
3544
3545/**
3546 * _scsih_check_for_pending_internal_cmds - check for pending internal messages
3547 * @ioc: per adapter object
3548 * @smid: system request message index
3549 *
3550 * Context: Executed in interrupt context
3551 *
3552 * This will check delayed internal messages list, and process the
3553 * next request.
3554 *
3555 * Return 1 meaning mf should be freed from _base_interrupt
3556 * 0 means the mf is freed from this function.
3557 */
3558u8
3559mpt3sas_check_for_pending_internal_cmds(struct MPT3SAS_ADAPTER *ioc, u16 smid)
3560{
3561 struct _sc_list *delayed_sc;
3562 struct _event_ack_list *delayed_event_ack;
3563
3564 if (!list_empty(&ioc->delayed_event_ack_list)) {
3565 delayed_event_ack = list_entry(ioc->delayed_event_ack_list.next,
3566 struct _event_ack_list, list);
3567 _scsih_issue_delayed_event_ack(ioc, smid,
3568 delayed_event_ack->Event, delayed_event_ack->EventContext);
3569 list_del(&delayed_event_ack->list);
3570 kfree(delayed_event_ack);
3571 return 0;
3572 }
3573
3574 if (!list_empty(&ioc->delayed_sc_list)) {
3575 delayed_sc = list_entry(ioc->delayed_sc_list.next,
3576 struct _sc_list, list);
3577 _scsih_issue_delayed_sas_io_unit_ctrl(ioc, smid,
3578 delayed_sc->handle);
3579 list_del(&delayed_sc->list);
3580 kfree(delayed_sc);
3581 return 0;
3582 }
3583 return 1;
3584}
f92363d1
SR		 3585
3586/**
3587 * _scsih_check_for_pending_tm - check for pending task management
3588 * @ioc: per adapter object
3589 * @smid: system request message index
3590 *
3591 * This will check delayed target reset list, and feed the
3592 * next reqeust.
3593 *
3594 * Return 1 meaning mf should be freed from _base_interrupt
3595 * 0 means the mf is freed from this function.
3596 */
3597static u8
3598_scsih_check_for_pending_tm(struct MPT3SAS_ADAPTER *ioc, u16 smid)
3599{
3600 struct _tr_list *delayed_tr;
3601
3602 if (!list_empty(&ioc->delayed_tr_volume_list)) {
3603 delayed_tr = list_entry(ioc->delayed_tr_volume_list.next,
3604 struct _tr_list, list);
3605 mpt3sas_base_free_smid(ioc, smid);
3606 _scsih_tm_tr_volume_send(ioc, delayed_tr->handle);
3607 list_del(&delayed_tr->list);
3608 kfree(delayed_tr);
3609 return 0;
3610 }
3611
3612 if (!list_empty(&ioc->delayed_tr_list)) {
3613 delayed_tr = list_entry(ioc->delayed_tr_list.next,
3614 struct _tr_list, list);
3615 mpt3sas_base_free_smid(ioc, smid);
3616 _scsih_tm_tr_send(ioc, delayed_tr->handle);
3617 list_del(&delayed_tr->list);
3618 kfree(delayed_tr);
3619 return 0;
3620 }
3621
3622 return 1;
3623}
3624
3625/**
3626 * _scsih_check_topo_delete_events - sanity check on topo events
3627 * @ioc: per adapter object
3628 * @event_data: the event data payload
3629 *
3630 * This routine added to better handle cable breaker.
3631 *
3632 * This handles the case where driver receives multiple expander
3633 * add and delete events in a single shot. When there is a delete event
3634 * the routine will void any pending add events waiting in the event queue.
3635 *
3636 * Return nothing.
3637 */
3638static void
3639_scsih_check_topo_delete_events(struct MPT3SAS_ADAPTER *ioc,
3640 Mpi2EventDataSasTopologyChangeList_t *event_data)
3641{
3642 struct fw_event_work *fw_event;
3643 Mpi2EventDataSasTopologyChangeList_t *local_event_data;
3644 u16 expander_handle;
3645 struct _sas_node *sas_expander;
3646 unsigned long flags;
3647 int i, reason_code;
3648 u16 handle;
3649
3650 for (i = 0 ; i < event_data->NumEntries; i++) {
3651 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
3652 if (!handle)
3653 continue;
3654 reason_code = event_data->PHY[i].PhyStatus &
3655 MPI2_EVENT_SAS_TOPO_RC_MASK;
3656 if (reason_code == MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)
3657 _scsih_tm_tr_send(ioc, handle);
3658 }
3659
3660 expander_handle = le16_to_cpu(event_data->ExpanderDevHandle);
3661 if (expander_handle < ioc->sas_hba.num_phys) {
3662 _scsih_block_io_to_children_attached_directly(ioc, event_data);
3663 return;
3664 }
3665 if (event_data->ExpStatus ==
3666 MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING) {
3667 /* put expander attached devices into blocking state */
3668 spin_lock_irqsave(&ioc->sas_node_lock, flags);
3669 sas_expander = mpt3sas_scsih_expander_find_by_handle(ioc,
3670 expander_handle);
3671 _scsih_block_io_to_children_attached_to_ex(ioc, sas_expander);
3672 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
3673 do {
3674 handle = find_first_bit(ioc->blocking_handles,
3675 ioc->facts.MaxDevHandle);
3676 if (handle < ioc->facts.MaxDevHandle)
3677 _scsih_block_io_device(ioc, handle);
3678 } while (test_and_clear_bit(handle, ioc->blocking_handles));
3679 } else if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_RESPONDING)
3680 _scsih_block_io_to_children_attached_directly(ioc, event_data);
3681
3682 if (event_data->ExpStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING)
3683 return;
3684
3685 /* mark ignore flag for pending events */
3686 spin_lock_irqsave(&ioc->fw_event_lock, flags);
3687 list_for_each_entry(fw_event, &ioc->fw_event_list, list) {
3688 if (fw_event->event != MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
3689 fw_event->ignore)
3690 continue;
35b62362
JL		 3691 local_event_data = (Mpi2EventDataSasTopologyChangeList_t *)
3692 fw_event->event_data;
f92363d1
SR		 3693 if (local_event_data->ExpStatus ==
3694 MPI2_EVENT_SAS_TOPO_ES_ADDED ||
3695 local_event_data->ExpStatus ==
3696 MPI2_EVENT_SAS_TOPO_ES_RESPONDING) {
3697 if (le16_to_cpu(local_event_data->ExpanderDevHandle) ==
3698 expander_handle) {
3699 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3700 "setting ignoring flag\n", ioc->name));
3701 fw_event->ignore = 1;
3702 }
3703 }
3704 }
3705 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
3706}
3707
3708/**
3709 * _scsih_set_volume_delete_flag - setting volume delete flag
3710 * @ioc: per adapter object
3711 * @handle: device handle
3712 *
3713 * This returns nothing.
3714 */
3715static void
3716_scsih_set_volume_delete_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle)
3717{
3718 struct _raid_device *raid_device;
3719 struct MPT3SAS_TARGET *sas_target_priv_data;
3720 unsigned long flags;
3721
3722 spin_lock_irqsave(&ioc->raid_device_lock, flags);
c84b06a4 3723 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
f92363d1
SR		 3724 if (raid_device && raid_device->starget &&
3725 raid_device->starget->hostdata) {
3726 sas_target_priv_data =
3727 raid_device->starget->hostdata;
3728 sas_target_priv_data->deleted = 1;
3729 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3730 "setting delete flag: handle(0x%04x), "
3731 "wwid(0x%016llx)\n", ioc->name, handle,
3732 (unsigned long long) raid_device->wwid));
3733 }
3734 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
3735}
3736
3737/**
3738 * _scsih_set_volume_handle_for_tr - set handle for target reset to volume
3739 * @handle: input handle
3740 * @a: handle for volume a
3741 * @b: handle for volume b
3742 *
3743 * IR firmware only supports two raid volumes. The purpose of this
3744 * routine is to set the volume handle in either a or b. When the given
3745 * input handle is non-zero, or when a and b have not been set before.
3746 */
3747static void
3748_scsih_set_volume_handle_for_tr(u16 handle, u16 *a, u16 *b)
3749{
3750 if (!handle || handle == *a || handle == *b)
3751 return;
3752 if (!*a)
3753 *a = handle;
3754 else if (!*b)
3755 *b = handle;
3756}
3757
3758/**
3759 * _scsih_check_ir_config_unhide_events - check for UNHIDE events
3760 * @ioc: per adapter object
3761 * @event_data: the event data payload
3762 * Context: interrupt time.
3763 *
3764 * This routine will send target reset to volume, followed by target
3765 * resets to the PDs. This is called when a PD has been removed, or
3766 * volume has been deleted or removed. When the target reset is sent
3767 * to volume, the PD target resets need to be queued to start upon
3768 * completion of the volume target reset.
3769 *
3770 * Return nothing.
3771 */
3772static void
3773_scsih_check_ir_config_unhide_events(struct MPT3SAS_ADAPTER *ioc,
3774 Mpi2EventDataIrConfigChangeList_t *event_data)
3775{
3776 Mpi2EventIrConfigElement_t *element;
3777 int i;
3778 u16 handle, volume_handle, a, b;
3779 struct _tr_list *delayed_tr;
3780
3781 a = 0;
3782 b = 0;
3783
7786ab6a
SR		 3784 if (ioc->is_warpdrive)
3785 return;
3786
f92363d1
SR		 3787 /* Volume Resets for Deleted or Removed */
3788 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
3789 for (i = 0; i < event_data->NumElements; i++, element++) {
3790 if (le32_to_cpu(event_data->Flags) &
3791 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
3792 continue;
3793 if (element->ReasonCode ==
3794 MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED ||
3795 element->ReasonCode ==
3796 MPI2_EVENT_IR_CHANGE_RC_REMOVED) {
3797 volume_handle = le16_to_cpu(element->VolDevHandle);
3798 _scsih_set_volume_delete_flag(ioc, volume_handle);
3799 _scsih_set_volume_handle_for_tr(volume_handle, &a, &b);
3800 }
3801 }
3802
3803 /* Volume Resets for UNHIDE events */
3804 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
3805 for (i = 0; i < event_data->NumElements; i++, element++) {
3806 if (le32_to_cpu(event_data->Flags) &
3807 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
3808 continue;
3809 if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_UNHIDE) {
3810 volume_handle = le16_to_cpu(element->VolDevHandle);
3811 _scsih_set_volume_handle_for_tr(volume_handle, &a, &b);
3812 }
3813 }
3814
3815 if (a)
3816 _scsih_tm_tr_volume_send(ioc, a);
3817 if (b)
3818 _scsih_tm_tr_volume_send(ioc, b);
3819
3820 /* PD target resets */
3821 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
3822 for (i = 0; i < event_data->NumElements; i++, element++) {
3823 if (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_UNHIDE)
3824 continue;
3825 handle = le16_to_cpu(element->PhysDiskDevHandle);
3826 volume_handle = le16_to_cpu(element->VolDevHandle);
3827 clear_bit(handle, ioc->pd_handles);
3828 if (!volume_handle)
3829 _scsih_tm_tr_send(ioc, handle);
3830 else if (volume_handle == a || volume_handle == b) {
3831 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
3832 BUG_ON(!delayed_tr);
3833 INIT_LIST_HEAD(&delayed_tr->list);
3834 delayed_tr->handle = handle;
3835 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list);
3836 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3837 "DELAYED:tr:handle(0x%04x), (open)\n", ioc->name,
3838 handle));
3839 } else
3840 _scsih_tm_tr_send(ioc, handle);
3841 }
3842}
3843
3844
3845/**
3846 * _scsih_check_volume_delete_events - set delete flag for volumes
3847 * @ioc: per adapter object
3848 * @event_data: the event data payload
3849 * Context: interrupt time.
3850 *
3851 * This will handle the case when the cable connected to entire volume is
3852 * pulled. We will take care of setting the deleted flag so normal IO will
3853 * not be sent.
3854 *
3855 * Return nothing.
3856 */
3857static void
3858_scsih_check_volume_delete_events(struct MPT3SAS_ADAPTER *ioc,
3859 Mpi2EventDataIrVolume_t *event_data)
3860{
3861 u32 state;
3862
3863 if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
3864 return;
3865 state = le32_to_cpu(event_data->NewValue);
3866 if (state == MPI2_RAID_VOL_STATE_MISSING || state ==
3867 MPI2_RAID_VOL_STATE_FAILED)
3868 _scsih_set_volume_delete_flag(ioc,
3869 le16_to_cpu(event_data->VolDevHandle));
3870}
3871
2d8ce8c9
SR		 3872/**
3873 * _scsih_temp_threshold_events - display temperature threshold exceeded events
3874 * @ioc: per adapter object
3875 * @event_data: the temp threshold event data
3876 * Context: interrupt time.
3877 *
3878 * Return nothing.
3879 */
3880static void
3881_scsih_temp_threshold_events(struct MPT3SAS_ADAPTER *ioc,
3882 Mpi2EventDataTemperature_t *event_data)
3883{
3884 if (ioc->temp_sensors_count >= event_data->SensorNum) {
3885 pr_err(MPT3SAS_FMT "Temperature Threshold flags %s%s%s%s"
3886 " exceeded for Sensor: %d !!!\n", ioc->name,
3887 ((le16_to_cpu(event_data->Status) & 0x1) == 1) ? "0 " : " ",
3888 ((le16_to_cpu(event_data->Status) & 0x2) == 2) ? "1 " : " ",
3889 ((le16_to_cpu(event_data->Status) & 0x4) == 4) ? "2 " : " ",
3890 ((le16_to_cpu(event_data->Status) & 0x8) == 8) ? "3 " : " ",
3891 event_data->SensorNum);
3892 pr_err(MPT3SAS_FMT "Current Temp In Celsius: %d\n",
3893 ioc->name, event_data->CurrentTemperature);
3894 }
3895}
3896
f92363d1
SR		 3897/**
3898 * _scsih_flush_running_cmds - completing outstanding commands.
3899 * @ioc: per adapter object
3900 *
3901 * The flushing out of all pending scmd commands following host reset,
3902 * where all IO is dropped to the floor.
3903 *
3904 * Return nothing.
3905 */
3906static void
3907_scsih_flush_running_cmds(struct MPT3SAS_ADAPTER *ioc)
3908{
3909 struct scsi_cmnd *scmd;
3910 u16 smid;
3911 u16 count = 0;
3912
3913 for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
3914 scmd = _scsih_scsi_lookup_get_clear(ioc, smid);
3915 if (!scmd)
3916 continue;
3917 count++;
3918 mpt3sas_base_free_smid(ioc, smid);
3919 scsi_dma_unmap(scmd);
3920 if (ioc->pci_error_recovery)
3921 scmd->result = DID_NO_CONNECT << 16;
3922 else
3923 scmd->result = DID_RESET << 16;
3924 scmd->scsi_done(scmd);
3925 }
3926 dtmprintk(ioc, pr_info(MPT3SAS_FMT "completing %d cmds\n",
3927 ioc->name, count));
3928}
3929
3930/**
3931 * _scsih_setup_eedp - setup MPI request for EEDP transfer
3932 * @ioc: per adapter object
3933 * @scmd: pointer to scsi command object
3934 * @mpi_request: pointer to the SCSI_IO reqest message frame
3935 *
3936 * Supporting protection 1 and 3.
3937 *
3938 * Returns nothing
3939 */
3940static void
3941_scsih_setup_eedp(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
3942 Mpi2SCSIIORequest_t *mpi_request)
3943{
3944 u16 eedp_flags;
3945 unsigned char prot_op = scsi_get_prot_op(scmd);
3946 unsigned char prot_type = scsi_get_prot_type(scmd);
3947 Mpi25SCSIIORequest_t *mpi_request_3v =
3948 (Mpi25SCSIIORequest_t *)mpi_request;
3949
3950 if (prot_type == SCSI_PROT_DIF_TYPE0 || prot_op == SCSI_PROT_NORMAL)
3951 return;
3952
3953 if (prot_op == SCSI_PROT_READ_STRIP)
3954 eedp_flags = MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP;
3955 else if (prot_op == SCSI_PROT_WRITE_INSERT)
3956 eedp_flags = MPI2_SCSIIO_EEDPFLAGS_INSERT_OP;
3957 else
3958 return;
3959
3960 switch (prot_type) {
3961 case SCSI_PROT_DIF_TYPE1:
3962 case SCSI_PROT_DIF_TYPE2:
3963
3964 /*
3965 * enable ref/guard checking
3966 * auto increment ref tag
3967 */
3968 eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
3969 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG |
3970 MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
3971 mpi_request->CDB.EEDP32.PrimaryReferenceTag =
648512cc 3972 cpu_to_be32(scsi_prot_ref_tag(scmd));
f92363d1
SR		 3973 break;
3974
3975 case SCSI_PROT_DIF_TYPE3:
3976
3977 /*
3978 * enable guard checking
3979 */
3980 eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
3981
3982 break;
3983 }
3984
3985 mpi_request_3v->EEDPBlockSize =
3986 cpu_to_le16(scmd->device->sector_size);
3987 mpi_request->EEDPFlags = cpu_to_le16(eedp_flags);
3988}
3989
3990/**
3991 * _scsih_eedp_error_handling - return sense code for EEDP errors
3992 * @scmd: pointer to scsi command object
3993 * @ioc_status: ioc status
3994 *
3995 * Returns nothing
3996 */
3997static void
3998_scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status)
3999{
4000 u8 ascq;
4001
4002 switch (ioc_status) {
4003 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
4004 ascq = 0x01;
4005 break;
4006 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
4007 ascq = 0x02;
4008 break;
4009 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
4010 ascq = 0x03;
4011 break;
4012 default:
4013 ascq = 0x00;
4014 break;
4015 }
4016 scsi_build_sense_buffer(0, scmd->sense_buffer, ILLEGAL_REQUEST, 0x10,
4017 ascq);
4018 scmd->result = DRIVER_SENSE << 24 | (DID_ABORT << 16) |
4019 SAM_STAT_CHECK_CONDITION;
4020}
4021
4022
7786ab6a 4023
f92363d1 4024/**
8a7e4c24 4025 * scsih_qcmd - main scsi request entry point
f92363d1
SR		 4026 * @scmd: pointer to scsi command object
4027 * @done: function pointer to be invoked on completion
4028 *
4029 * The callback index is set inside `ioc->scsi_io_cb_idx`.
4030 *
4031 * Returns 0 on success. If there's a failure, return either:
4032 * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or
4033 * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full
4034 */
8a7e4c24
SR		 4035int
4036scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd)
f92363d1 4037{
d8bfbd8d 4038 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
f92363d1
SR		 4039 struct MPT3SAS_DEVICE *sas_device_priv_data;
4040 struct MPT3SAS_TARGET *sas_target_priv_data;
7786ab6a 4041 struct _raid_device *raid_device;
f92363d1
SR		 4042 Mpi2SCSIIORequest_t *mpi_request;
4043 u32 mpi_control;
4044 u16 smid;
4045 u16 handle;
4046
f92363d1
SR		 4047 if (ioc->logging_level & MPT_DEBUG_SCSI)
4048 scsi_print_command(scmd);
f92363d1 4049
f92363d1
SR		 4050 sas_device_priv_data = scmd->device->hostdata;
4051 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
4052 scmd->result = DID_NO_CONNECT << 16;
4053 scmd->scsi_done(scmd);
4054 return 0;
4055 }
4056
4057 if (ioc->pci_error_recovery || ioc->remove_host) {
4058 scmd->result = DID_NO_CONNECT << 16;
4059 scmd->scsi_done(scmd);
4060 return 0;
4061 }
4062
4063 sas_target_priv_data = sas_device_priv_data->sas_target;
4064
4065 /* invalid device handle */
4066 handle = sas_target_priv_data->handle;
4067 if (handle == MPT3SAS_INVALID_DEVICE_HANDLE) {
4068 scmd->result = DID_NO_CONNECT << 16;
4069 scmd->scsi_done(scmd);
4070 return 0;
4071 }
4072
4073
4074 /* host recovery or link resets sent via IOCTLs */
4075 if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress)
4076 return SCSI_MLQUEUE_HOST_BUSY;
4077
4078 /* device has been deleted */
4079 else if (sas_target_priv_data->deleted) {
4080 scmd->result = DID_NO_CONNECT << 16;
4081 scmd->scsi_done(scmd);
4082 return 0;
4083 /* device busy with task managment */
4084 } else if (sas_target_priv_data->tm_busy ||
4085 sas_device_priv_data->block)
4086 return SCSI_MLQUEUE_DEVICE_BUSY;
4087
4088 if (scmd->sc_data_direction == DMA_FROM_DEVICE)
4089 mpi_control = MPI2_SCSIIO_CONTROL_READ;
4090 else if (scmd->sc_data_direction == DMA_TO_DEVICE)
4091 mpi_control = MPI2_SCSIIO_CONTROL_WRITE;
4092 else
4093 mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER;
4094
4095 /* set tags */
609aa22f 4096 mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
f92363d1 4097
7786ab6a
SR		 4098 /* Make sure Device is not raid volume.
4099 * We do not expose raid functionality to upper layer for warpdrive.
4100 */
4101 if (!ioc->is_warpdrive && !scsih_is_raid(&scmd->device->sdev_gendev)
15de0de2 4102 && sas_is_tlr_enabled(scmd->device) && scmd->cmd_len != 32)
f92363d1
SR		 4103 mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON;
4104
4105 smid = mpt3sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd);
4106 if (!smid) {
4107 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
4108 ioc->name, __func__);
4109 goto out;
4110 }
4111 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
4112 memset(mpi_request, 0, sizeof(Mpi2SCSIIORequest_t));
4113 _scsih_setup_eedp(ioc, scmd, mpi_request);
4114
4115 if (scmd->cmd_len == 32)
4116 mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT;
4117 mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
4118 if (sas_device_priv_data->sas_target->flags &
4119 MPT_TARGET_FLAGS_RAID_COMPONENT)
4120 mpi_request->Function = MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
4121 else
4122 mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
4123 mpi_request->DevHandle = cpu_to_le16(handle);
4124 mpi_request->DataLength = cpu_to_le32(scsi_bufflen(scmd));
4125 mpi_request->Control = cpu_to_le32(mpi_control);
4126 mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len);
4127 mpi_request->MsgFlags = MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR;
4128 mpi_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE;
4129 mpi_request->SenseBufferLowAddress =
4130 mpt3sas_base_get_sense_buffer_dma(ioc, smid);
4131 mpi_request->SGLOffset0 = offsetof(Mpi2SCSIIORequest_t, SGL) / 4;
4132 int_to_scsilun(sas_device_priv_data->lun, (struct scsi_lun *)
4133 mpi_request->LUN);
4134 memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len);
4135
4136 if (mpi_request->DataLength) {
4137 if (ioc->build_sg_scmd(ioc, scmd, smid)) {
4138 mpt3sas_base_free_smid(ioc, smid);
4139 goto out;
4140 }
4141 } else
4142 ioc->build_zero_len_sge(ioc, &mpi_request->SGL);
4143
7786ab6a
SR		 4144 raid_device = sas_target_priv_data->raid_device;
4145 if (raid_device && raid_device->direct_io_enabled)
c84b06a4 4146 mpt3sas_setup_direct_io(ioc, scmd, raid_device, mpi_request,
7786ab6a 4147 smid);
7786ab6a 4148
f92363d1
SR		 4149 if (likely(mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST)) {
4150 if (sas_target_priv_data->flags & MPT_TARGET_FASTPATH_IO) {
4151 mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len |
4152 MPI25_SCSIIO_IOFLAGS_FAST_PATH);
4153 mpt3sas_base_put_smid_fast_path(ioc, smid, handle);
4154 } else
7786ab6a
SR		 4155 mpt3sas_base_put_smid_scsi_io(ioc, smid,
4156 le16_to_cpu(mpi_request->DevHandle));
f92363d1
SR		 4157 } else
4158 mpt3sas_base_put_smid_default(ioc, smid);
4159 return 0;
4160
4161 out:
4162 return SCSI_MLQUEUE_HOST_BUSY;
4163}
f92363d1
SR		 4164
4165/**
4166 * _scsih_normalize_sense - normalize descriptor and fixed format sense data
4167 * @sense_buffer: sense data returned by target
4168 * @data: normalized skey/asc/ascq
4169 *
4170 * Return nothing.
4171 */
4172static void
4173_scsih_normalize_sense(char *sense_buffer, struct sense_info *data)
4174{
4175 if ((sense_buffer[0] & 0x7F) >= 0x72) {
4176 /* descriptor format */
4177 data->skey = sense_buffer[1] & 0x0F;
4178 data->asc = sense_buffer[2];
4179 data->ascq = sense_buffer[3];
4180 } else {
4181 /* fixed format */
4182 data->skey = sense_buffer[2] & 0x0F;
4183 data->asc = sense_buffer[12];
4184 data->ascq = sense_buffer[13];
4185 }
4186}
4187
f92363d1
SR		 4188/**
4189 * _scsih_scsi_ioc_info - translated non-succesfull SCSI_IO request
4190 * @ioc: per adapter object
4191 * @scmd: pointer to scsi command object
4192 * @mpi_reply: reply mf payload returned from firmware
4193 *
4194 * scsi_status - SCSI Status code returned from target device
4195 * scsi_state - state info associated with SCSI_IO determined by ioc
4196 * ioc_status - ioc supplied status info
4197 *
4198 * Return nothing.
4199 */
4200static void
4201_scsih_scsi_ioc_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
4202 Mpi2SCSIIOReply_t *mpi_reply, u16 smid)
4203{
4204 u32 response_info;
4205 u8 *response_bytes;
4206 u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) &
4207 MPI2_IOCSTATUS_MASK;
4208 u8 scsi_state = mpi_reply->SCSIState;
4209 u8 scsi_status = mpi_reply->SCSIStatus;
4210 char *desc_ioc_state = NULL;
4211 char *desc_scsi_status = NULL;
4212 char *desc_scsi_state = ioc->tmp_string;
4213 u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
4214 struct _sas_device *sas_device = NULL;
f92363d1
SR		 4215 struct scsi_target *starget = scmd->device->sdev_target;
4216 struct MPT3SAS_TARGET *priv_target = starget->hostdata;
4217 char *device_str = NULL;
4218
4219 if (!priv_target)
4220 return;
7786ab6a
SR		 4221 if (ioc->hide_ir_msg)
4222 device_str = "WarpDrive";
4223 else
4224 device_str = "volume";
f92363d1
SR		 4225
4226 if (log_info == 0x31170000)
4227 return;
4228
4229 switch (ioc_status) {
4230 case MPI2_IOCSTATUS_SUCCESS:
4231 desc_ioc_state = "success";
4232 break;
4233 case MPI2_IOCSTATUS_INVALID_FUNCTION:
4234 desc_ioc_state = "invalid function";
4235 break;
4236 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
4237 desc_ioc_state = "scsi recovered error";
4238 break;
4239 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
4240 desc_ioc_state = "scsi invalid dev handle";
4241 break;
4242 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
4243 desc_ioc_state = "scsi device not there";
4244 break;
4245 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
4246 desc_ioc_state = "scsi data overrun";
4247 break;
4248 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
4249 desc_ioc_state = "scsi data underrun";
4250 break;
4251 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
4252 desc_ioc_state = "scsi io data error";
4253 break;
4254 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
4255 desc_ioc_state = "scsi protocol error";
4256 break;
4257 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
4258 desc_ioc_state = "scsi task terminated";
4259 break;
4260 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
4261 desc_ioc_state = "scsi residual mismatch";
4262 break;
4263 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
4264 desc_ioc_state = "scsi task mgmt failed";
4265 break;
4266 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
4267 desc_ioc_state = "scsi ioc terminated";
4268 break;
4269 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
4270 desc_ioc_state = "scsi ext terminated";
4271 break;
4272 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
4273 desc_ioc_state = "eedp guard error";
4274 break;
4275 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
4276 desc_ioc_state = "eedp ref tag error";
4277 break;
4278 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
4279 desc_ioc_state = "eedp app tag error";
4280 break;
b130b0d5
SS		 4281 case MPI2_IOCSTATUS_INSUFFICIENT_POWER:
4282 desc_ioc_state = "insufficient power";
4283 break;
f92363d1
SR		 4284 default:
4285 desc_ioc_state = "unknown";
4286 break;
4287 }
4288
4289 switch (scsi_status) {
4290 case MPI2_SCSI_STATUS_GOOD:
4291 desc_scsi_status = "good";
4292 break;
4293 case MPI2_SCSI_STATUS_CHECK_CONDITION:
4294 desc_scsi_status = "check condition";
4295 break;
4296 case MPI2_SCSI_STATUS_CONDITION_MET:
4297 desc_scsi_status = "condition met";
4298 break;
4299 case MPI2_SCSI_STATUS_BUSY:
4300 desc_scsi_status = "busy";
4301 break;
4302 case MPI2_SCSI_STATUS_INTERMEDIATE:
4303 desc_scsi_status = "intermediate";
4304 break;
4305 case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET:
4306 desc_scsi_status = "intermediate condmet";
4307 break;
4308 case MPI2_SCSI_STATUS_RESERVATION_CONFLICT:
4309 desc_scsi_status = "reservation conflict";
4310 break;
4311 case MPI2_SCSI_STATUS_COMMAND_TERMINATED:
4312 desc_scsi_status = "command terminated";
4313 break;
4314 case MPI2_SCSI_STATUS_TASK_SET_FULL:
4315 desc_scsi_status = "task set full";
4316 break;
4317 case MPI2_SCSI_STATUS_ACA_ACTIVE:
4318 desc_scsi_status = "aca active";
4319 break;
4320 case MPI2_SCSI_STATUS_TASK_ABORTED:
4321 desc_scsi_status = "task aborted";
4322 break;
4323 default:
4324 desc_scsi_status = "unknown";
4325 break;
4326 }
4327
4328 desc_scsi_state[0] = '\0';
4329 if (!scsi_state)
4330 desc_scsi_state = " ";
4331 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
4332 strcat(desc_scsi_state, "response info ");
4333 if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
4334 strcat(desc_scsi_state, "state terminated ");
4335 if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS)
4336 strcat(desc_scsi_state, "no status ");
4337 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED)
4338 strcat(desc_scsi_state, "autosense failed ");
4339 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)
4340 strcat(desc_scsi_state, "autosense valid ");
4341
4342 scsi_print_command(scmd);
4343
4344 if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) {
4345 pr_warn(MPT3SAS_FMT "\t%s wwid(0x%016llx)\n", ioc->name,
4346 device_str, (unsigned long long)priv_target->sas_address);
4347 } else {
d1cb5e49 4348 sas_device = mpt3sas_get_sdev_from_target(ioc, priv_target);
f92363d1
SR		 4349 if (sas_device) {
4350 pr_warn(MPT3SAS_FMT
4351 "\tsas_address(0x%016llx), phy(%d)\n",
4352 ioc->name, (unsigned long long)
4353 sas_device->sas_address, sas_device->phy);
e6d45e3e
SR		 4354 if (sas_device->enclosure_handle != 0)
4355 pr_warn(MPT3SAS_FMT
4356 "\tenclosure_logical_id(0x%016llx),"
4357 "slot(%d)\n", ioc->name,
4358 (unsigned long long)
4359 sas_device->enclosure_logical_id,
4360 sas_device->slot);
4361 if (sas_device->connector_name[0])
4362 pr_warn(MPT3SAS_FMT
4363 "\tenclosure level(0x%04x),"
4364 " connector name( %s)\n", ioc->name,
4365 sas_device->enclosure_level,
4366 sas_device->connector_name);
d1cb5e49
SR		 4367
4368 sas_device_put(sas_device);
f92363d1 4369 }
f92363d1
SR		 4370 }
4371
4372 pr_warn(MPT3SAS_FMT
4373 "\thandle(0x%04x), ioc_status(%s)(0x%04x), smid(%d)\n",
4374 ioc->name, le16_to_cpu(mpi_reply->DevHandle),
4375 desc_ioc_state, ioc_status, smid);
4376 pr_warn(MPT3SAS_FMT
4377 "\trequest_len(%d), underflow(%d), resid(%d)\n",
4378 ioc->name, scsi_bufflen(scmd), scmd->underflow,
4379 scsi_get_resid(scmd));
4380 pr_warn(MPT3SAS_FMT
4381 "\ttag(%d), transfer_count(%d), sc->result(0x%08x)\n",
4382 ioc->name, le16_to_cpu(mpi_reply->TaskTag),
4383 le32_to_cpu(mpi_reply->TransferCount), scmd->result);
4384 pr_warn(MPT3SAS_FMT
4385 "\tscsi_status(%s)(0x%02x), scsi_state(%s)(0x%02x)\n",
4386 ioc->name, desc_scsi_status,
4387 scsi_status, desc_scsi_state, scsi_state);
4388
4389 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
4390 struct sense_info data;
4391 _scsih_normalize_sense(scmd->sense_buffer, &data);
4392 pr_warn(MPT3SAS_FMT
4393 "\t[sense_key,asc,ascq]: [0x%02x,0x%02x,0x%02x], count(%d)\n",
4394 ioc->name, data.skey,
4395 data.asc, data.ascq, le32_to_cpu(mpi_reply->SenseCount));
4396 }
4397
4398 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) {
4399 response_info = le32_to_cpu(mpi_reply->ResponseInfo);
4400 response_bytes = (u8 *)&response_info;
4401 _scsih_response_code(ioc, response_bytes[0]);
4402 }
4403}
f92363d1
SR		 4404
4405/**
0f624c39 4406 * _scsih_turn_on_pfa_led - illuminate PFA LED
f92363d1
SR		 4407 * @ioc: per adapter object
4408 * @handle: device handle
4409 * Context: process
4410 *
4411 * Return nothing.
4412 */
4413static void
0f624c39 4414_scsih_turn_on_pfa_led(struct MPT3SAS_ADAPTER *ioc, u16 handle)
f92363d1
SR		 4415{
4416 Mpi2SepReply_t mpi_reply;
4417 Mpi2SepRequest_t mpi_request;
0f624c39
SR		 4418 struct _sas_device *sas_device;
4419
d1cb5e49 4420 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
0f624c39
SR		 4421 if (!sas_device)
4422 return;
f92363d1
SR		 4423
4424 memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t));
4425 mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
4426 mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS;
4427 mpi_request.SlotStatus =
4428 cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
4429 mpi_request.DevHandle = cpu_to_le16(handle);
4430 mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS;
4431 if ((mpt3sas_base_scsi_enclosure_processor(ioc, &mpi_reply,
4432 &mpi_request)) != 0) {
4433 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", ioc->name,
4434 __FILE__, __LINE__, __func__);
d1cb5e49 4435 goto out;
f92363d1 4436 }
0f624c39 4437 sas_device->pfa_led_on = 1;
f92363d1
SR		 4438
4439 if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) {
4440 dewtprintk(ioc, pr_info(MPT3SAS_FMT
4441 "enclosure_processor: ioc_status (0x%04x), loginfo(0x%08x)\n",
4442 ioc->name, le16_to_cpu(mpi_reply.IOCStatus),
4443 le32_to_cpu(mpi_reply.IOCLogInfo)));
d1cb5e49 4444 goto out;
f92363d1 4445 }
d1cb5e49
SR		 4446out:
4447 sas_device_put(sas_device);
f92363d1 4448}
d1cb5e49 4449
0f624c39
SR		 4450/**
4451 * _scsih_turn_off_pfa_led - turn off Fault LED
4452 * @ioc: per adapter object
4453 * @sas_device: sas device whose PFA LED has to turned off
4454 * Context: process
4455 *
4456 * Return nothing.
4457 */
4458static void
4459_scsih_turn_off_pfa_led(struct MPT3SAS_ADAPTER *ioc,
4460 struct _sas_device *sas_device)
4461{
4462 Mpi2SepReply_t mpi_reply;
4463 Mpi2SepRequest_t mpi_request;
f92363d1 4464
0f624c39
SR		 4465 memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t));
4466 mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
4467 mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS;
4468 mpi_request.SlotStatus = 0;
4469 mpi_request.Slot = cpu_to_le16(sas_device->slot);
4470 mpi_request.DevHandle = 0;
4471 mpi_request.EnclosureHandle = cpu_to_le16(sas_device->enclosure_handle);
4472 mpi_request.Flags = MPI2_SEP_REQ_FLAGS_ENCLOSURE_SLOT_ADDRESS;
4473 if ((mpt3sas_base_scsi_enclosure_processor(ioc, &mpi_reply,
4474 &mpi_request)) != 0) {
4475 printk(MPT3SAS_FMT "failure at %s:%d/%s()!\n", ioc->name,
4476 __FILE__, __LINE__, __func__);
4477 return;
4478 }
4479
4480 if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) {
4481 dewtprintk(ioc, printk(MPT3SAS_FMT
4482 "enclosure_processor: ioc_status (0x%04x), loginfo(0x%08x)\n",
4483 ioc->name, le16_to_cpu(mpi_reply.IOCStatus),
4484 le32_to_cpu(mpi_reply.IOCLogInfo)));
4485 return;
4486 }
4487}
d1cb5e49 4488
f92363d1 4489/**
0f624c39 4490 * _scsih_send_event_to_turn_on_pfa_led - fire delayed event
f92363d1
SR		 4491 * @ioc: per adapter object
4492 * @handle: device handle
4493 * Context: interrupt.
4494 *
4495 * Return nothing.
4496 */
4497static void
0f624c39 4498_scsih_send_event_to_turn_on_pfa_led(struct MPT3SAS_ADAPTER *ioc, u16 handle)
f92363d1
SR		 4499{
4500 struct fw_event_work *fw_event;
4501
146b16c8 4502 fw_event = alloc_fw_event_work(0);
f92363d1
SR		 4503 if (!fw_event)
4504 return;
0f624c39 4505 fw_event->event = MPT3SAS_TURN_ON_PFA_LED;
f92363d1
SR		 4506 fw_event->device_handle = handle;
4507 fw_event->ioc = ioc;
4508 _scsih_fw_event_add(ioc, fw_event);
146b16c8 4509 fw_event_work_put(fw_event);
f92363d1
SR		 4510}
4511
4512/**
4513 * _scsih_smart_predicted_fault - process smart errors
4514 * @ioc: per adapter object
4515 * @handle: device handle
4516 * Context: interrupt.
4517 *
4518 * Return nothing.
4519 */
4520static void
4521_scsih_smart_predicted_fault(struct MPT3SAS_ADAPTER *ioc, u16 handle)
4522{
4523 struct scsi_target *starget;
4524 struct MPT3SAS_TARGET *sas_target_priv_data;
4525 Mpi2EventNotificationReply_t *event_reply;
4526 Mpi2EventDataSasDeviceStatusChange_t *event_data;
4527 struct _sas_device *sas_device;
4528 ssize_t sz;
4529 unsigned long flags;
4530
4531 /* only handle non-raid devices */
4532 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49
SR		 4533 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
4534 if (!sas_device)
4535 goto out_unlock;
4536
f92363d1
SR		 4537 starget = sas_device->starget;
4538 sas_target_priv_data = starget->hostdata;
4539
4540 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) ||
d1cb5e49
SR		 4541 ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)))
4542 goto out_unlock;
4543
e6d45e3e
SR		 4544 if (sas_device->enclosure_handle != 0)
4545 starget_printk(KERN_INFO, starget, "predicted fault, "
4546 "enclosure logical id(0x%016llx), slot(%d)\n",
4547 (unsigned long long)sas_device->enclosure_logical_id,
4548 sas_device->slot);
4549 if (sas_device->connector_name[0] != '\0')
4550 starget_printk(KERN_WARNING, starget, "predicted fault, "
4551 "enclosure level(0x%04x), connector name( %s)\n",
4552 sas_device->enclosure_level,
4553 sas_device->connector_name);
f92363d1
SR		 4554 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4555
4556 if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM)
0f624c39 4557 _scsih_send_event_to_turn_on_pfa_led(ioc, handle);
f92363d1
SR		 4558
4559 /* insert into event log */
4560 sz = offsetof(Mpi2EventNotificationReply_t, EventData) +
4561 sizeof(Mpi2EventDataSasDeviceStatusChange_t);
4562 event_reply = kzalloc(sz, GFP_KERNEL);
4563 if (!event_reply) {
4564 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4565 ioc->name, __FILE__, __LINE__, __func__);
d1cb5e49 4566 goto out;
f92363d1
SR		 4567 }
4568
4569 event_reply->Function = MPI2_FUNCTION_EVENT_NOTIFICATION;
4570 event_reply->Event =
4571 cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE);
4572 event_reply->MsgLength = sz/4;
4573 event_reply->EventDataLength =
4574 cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t)/4);
4575 event_data = (Mpi2EventDataSasDeviceStatusChange_t *)
4576 event_reply->EventData;
4577 event_data->ReasonCode = MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA;
4578 event_data->ASC = 0x5D;
4579 event_data->DevHandle = cpu_to_le16(handle);
4580 event_data->SASAddress = cpu_to_le64(sas_target_priv_data->sas_address);
4581 mpt3sas_ctl_add_to_event_log(ioc, event_reply);
4582 kfree(event_reply);
d1cb5e49
SR		 4583out:
4584 if (sas_device)
4585 sas_device_put(sas_device);
4586 return;
4587
4588out_unlock:
4589 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4590 goto out;
f92363d1
SR		 4591}
4592
4593/**
4594 * _scsih_io_done - scsi request callback
4595 * @ioc: per adapter object
4596 * @smid: system request message index
4597 * @msix_index: MSIX table index supplied by the OS
4598 * @reply: reply message frame(lower 32bit addr)
4599 *
4600 * Callback handler when using _scsih_qcmd.
4601 *
4602 * Return 1 meaning mf should be freed from _base_interrupt
4603 * 0 means the mf is freed from this function.
4604 */
4605static u8
4606_scsih_io_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
4607{
4608 Mpi2SCSIIORequest_t *mpi_request;
4609 Mpi2SCSIIOReply_t *mpi_reply;
4610 struct scsi_cmnd *scmd;
4611 u16 ioc_status;
4612 u32 xfer_cnt;
4613 u8 scsi_state;
4614 u8 scsi_status;
4615 u32 log_info;
4616 struct MPT3SAS_DEVICE *sas_device_priv_data;
4617 u32 response_code = 0;
7786ab6a 4618 unsigned long flags;
f92363d1
SR		 4619
4620 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
4621 scmd = _scsih_scsi_lookup_get_clear(ioc, smid);
4622 if (scmd == NULL)
4623 return 1;
4624
4625 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
4626
4627 if (mpi_reply == NULL) {
4628 scmd->result = DID_OK << 16;
4629 goto out;
4630 }
4631
4632 sas_device_priv_data = scmd->device->hostdata;
4633 if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
4634 sas_device_priv_data->sas_target->deleted) {
4635 scmd->result = DID_NO_CONNECT << 16;
4636 goto out;
4637 }
4638 ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
4639
7786ab6a
SR		 4640 /*
4641 * WARPDRIVE: If direct_io is set then it is directIO,
4642 * the failed direct I/O should be redirected to volume
4643 */
c84b06a4 4644 if (mpt3sas_scsi_direct_io_get(ioc, smid) &&
7786ab6a
SR		 4645 ((ioc_status & MPI2_IOCSTATUS_MASK)
4646 != MPI2_IOCSTATUS_SCSI_TASK_TERMINATED)) {
4647 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
4648 ioc->scsi_lookup[smid - 1].scmd = scmd;
4649 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
c84b06a4 4650 mpt3sas_scsi_direct_io_set(ioc, smid, 0);
7786ab6a
SR		 4651 memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len);
4652 mpi_request->DevHandle =
4653 cpu_to_le16(sas_device_priv_data->sas_target->handle);
4654 mpt3sas_base_put_smid_scsi_io(ioc, smid,
4655 sas_device_priv_data->sas_target->handle);
4656 return 0;
4657 }
f92363d1
SR		 4658 /* turning off TLR */
4659 scsi_state = mpi_reply->SCSIState;
4660 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
4661 response_code =
4662 le32_to_cpu(mpi_reply->ResponseInfo) & 0xFF;
4663 if (!sas_device_priv_data->tlr_snoop_check) {
4664 sas_device_priv_data->tlr_snoop_check++;
7786ab6a
SR		 4665 if (!ioc->is_warpdrive &&
4666 !scsih_is_raid(&scmd->device->sdev_gendev) &&
c84b06a4
SR		 4667 sas_is_tlr_enabled(scmd->device) &&
4668 response_code == MPI2_SCSITASKMGMT_RSP_INVALID_FRAME) {
4669 sas_disable_tlr(scmd->device);
4670 sdev_printk(KERN_INFO, scmd->device, "TLR disabled\n");
4671 }
f92363d1
SR		 4672 }
4673
4674 xfer_cnt = le32_to_cpu(mpi_reply->TransferCount);
4675 scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt);
4676 if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
4677 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
4678 else
4679 log_info = 0;
4680 ioc_status &= MPI2_IOCSTATUS_MASK;
4681 scsi_status = mpi_reply->SCSIStatus;
4682
4683 if (ioc_status == MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
4684 (scsi_status == MPI2_SCSI_STATUS_BUSY ||
4685 scsi_status == MPI2_SCSI_STATUS_RESERVATION_CONFLICT ||
4686 scsi_status == MPI2_SCSI_STATUS_TASK_SET_FULL)) {
4687 ioc_status = MPI2_IOCSTATUS_SUCCESS;
4688 }
4689
4690 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
4691 struct sense_info data;
4692 const void *sense_data = mpt3sas_base_get_sense_buffer(ioc,
4693 smid);
4694 u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE,
4695 le32_to_cpu(mpi_reply->SenseCount));
4696 memcpy(scmd->sense_buffer, sense_data, sz);
4697 _scsih_normalize_sense(scmd->sense_buffer, &data);
4698 /* failure prediction threshold exceeded */
4699 if (data.asc == 0x5D)
4700 _scsih_smart_predicted_fault(ioc,
4701 le16_to_cpu(mpi_reply->DevHandle));
4702 mpt3sas_trigger_scsi(ioc, data.skey, data.asc, data.ascq);
f92363d1 4703
e6d45e3e
SR		 4704 if (!(ioc->logging_level & MPT_DEBUG_REPLY) &&
4705 ((scmd->sense_buffer[2] == UNIT_ATTENTION) ||
4706 (scmd->sense_buffer[2] == MEDIUM_ERROR) ||
4707 (scmd->sense_buffer[2] == HARDWARE_ERROR)))
4708 _scsih_scsi_ioc_info(ioc, scmd, mpi_reply, smid);
e6d45e3e 4709 }
f92363d1
SR		 4710 switch (ioc_status) {
4711 case MPI2_IOCSTATUS_BUSY:
4712 case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES:
4713 scmd->result = SAM_STAT_BUSY;
4714 break;
4715
4716 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
4717 scmd->result = DID_NO_CONNECT << 16;
4718 break;
4719
4720 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
4721 if (sas_device_priv_data->block) {
4722 scmd->result = DID_TRANSPORT_DISRUPTED << 16;
4723 goto out;
4724 }
4725 if (log_info == 0x31110630) {
4726 if (scmd->retries > 2) {
4727 scmd->result = DID_NO_CONNECT << 16;
4728 scsi_device_set_state(scmd->device,
4729 SDEV_OFFLINE);
4730 } else {
4731 scmd->result = DID_SOFT_ERROR << 16;
4732 scmd->device->expecting_cc_ua = 1;
4733 }
4734 break;
3898f08e
SR		 4735 } else if (log_info == VIRTUAL_IO_FAILED_RETRY) {
4736 scmd->result = DID_RESET << 16;
4737 break;
f92363d1
SR		 4738 }
4739 scmd->result = DID_SOFT_ERROR << 16;
4740 break;
4741 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
4742 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
4743 scmd->result = DID_RESET << 16;
4744 break;
4745
4746 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
4747 if ((xfer_cnt == 0) || (scmd->underflow > xfer_cnt))
4748 scmd->result = DID_SOFT_ERROR << 16;
4749 else
4750 scmd->result = (DID_OK << 16) | scsi_status;
4751 break;
4752
4753 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
4754 scmd->result = (DID_OK << 16) | scsi_status;
4755
4756 if ((scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID))
4757 break;
4758
4759 if (xfer_cnt < scmd->underflow) {
4760 if (scsi_status == SAM_STAT_BUSY)
4761 scmd->result = SAM_STAT_BUSY;
4762 else
4763 scmd->result = DID_SOFT_ERROR << 16;
4764 } else if (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
4765 MPI2_SCSI_STATE_NO_SCSI_STATUS))
4766 scmd->result = DID_SOFT_ERROR << 16;
4767 else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
4768 scmd->result = DID_RESET << 16;
4769 else if (!xfer_cnt && scmd->cmnd[0] == REPORT_LUNS) {
4770 mpi_reply->SCSIState = MPI2_SCSI_STATE_AUTOSENSE_VALID;
4771 mpi_reply->SCSIStatus = SAM_STAT_CHECK_CONDITION;
4772 scmd->result = (DRIVER_SENSE << 24) |
4773 SAM_STAT_CHECK_CONDITION;
4774 scmd->sense_buffer[0] = 0x70;
4775 scmd->sense_buffer[2] = ILLEGAL_REQUEST;
4776 scmd->sense_buffer[12] = 0x20;
4777 scmd->sense_buffer[13] = 0;
4778 }
4779 break;
4780
4781 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
4782 scsi_set_resid(scmd, 0);
4783 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
4784 case MPI2_IOCSTATUS_SUCCESS:
4785 scmd->result = (DID_OK << 16) | scsi_status;
4786 if (response_code ==
4787 MPI2_SCSITASKMGMT_RSP_INVALID_FRAME ||
4788 (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
4789 MPI2_SCSI_STATE_NO_SCSI_STATUS)))
4790 scmd->result = DID_SOFT_ERROR << 16;
4791 else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
4792 scmd->result = DID_RESET << 16;
4793 break;
4794
4795 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
4796 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
4797 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
4798 _scsih_eedp_error_handling(scmd, ioc_status);
4799 break;
4800
4801 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
4802 case MPI2_IOCSTATUS_INVALID_FUNCTION:
4803 case MPI2_IOCSTATUS_INVALID_SGL:
4804 case MPI2_IOCSTATUS_INTERNAL_ERROR:
4805 case MPI2_IOCSTATUS_INVALID_FIELD:
4806 case MPI2_IOCSTATUS_INVALID_STATE:
4807 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
4808 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
b130b0d5 4809 case MPI2_IOCSTATUS_INSUFFICIENT_POWER:
f92363d1
SR		 4810 default:
4811 scmd->result = DID_SOFT_ERROR << 16;
4812 break;
4813
4814 }
4815
f92363d1
SR		 4816 if (scmd->result && (ioc->logging_level & MPT_DEBUG_REPLY))
4817 _scsih_scsi_ioc_info(ioc , scmd, mpi_reply, smid);
f92363d1
SR		 4818
4819 out:
4820
4821 scsi_dma_unmap(scmd);
4822
4823 scmd->scsi_done(scmd);
4824 return 1;
4825}
4826
4827/**
4828 * _scsih_sas_host_refresh - refreshing sas host object contents
4829 * @ioc: per adapter object
4830 * Context: user
4831 *
4832 * During port enable, fw will send topology events for every device. Its
4833 * possible that the handles may change from the previous setting, so this
4834 * code keeping handles updating if changed.
4835 *
4836 * Return nothing.
4837 */
4838static void
4839_scsih_sas_host_refresh(struct MPT3SAS_ADAPTER *ioc)
4840{
4841 u16 sz;
4842 u16 ioc_status;
4843 int i;
4844 Mpi2ConfigReply_t mpi_reply;
4845 Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
4846 u16 attached_handle;
4847 u8 link_rate;
4848
4849 dtmprintk(ioc, pr_info(MPT3SAS_FMT
4850 "updating handles for sas_host(0x%016llx)\n",
4851 ioc->name, (unsigned long long)ioc->sas_hba.sas_address));
4852
4853 sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys
4854 * sizeof(Mpi2SasIOUnit0PhyData_t));
4855 sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
4856 if (!sas_iounit_pg0) {
4857 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4858 ioc->name, __FILE__, __LINE__, __func__);
4859 return;
4860 }
4861
4862 if ((mpt3sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
4863 sas_iounit_pg0, sz)) != 0)
4864 goto out;
4865 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
4866 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
4867 goto out;
4868 for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
4869 link_rate = sas_iounit_pg0->PhyData[i].NegotiatedLinkRate >> 4;
4870 if (i == 0)
4871 ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0->
4872 PhyData[0].ControllerDevHandle);
4873 ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
4874 attached_handle = le16_to_cpu(sas_iounit_pg0->PhyData[i].
4875 AttachedDevHandle);
4876 if (attached_handle && link_rate < MPI2_SAS_NEG_LINK_RATE_1_5)
4877 link_rate = MPI2_SAS_NEG_LINK_RATE_1_5;
4878 mpt3sas_transport_update_links(ioc, ioc->sas_hba.sas_address,
4879 attached_handle, i, link_rate);
4880 }
4881 out:
4882 kfree(sas_iounit_pg0);
4883}
4884
4885/**
4886 * _scsih_sas_host_add - create sas host object
4887 * @ioc: per adapter object
4888 *
4889 * Creating host side data object, stored in ioc->sas_hba
4890 *
4891 * Return nothing.
4892 */
4893static void
4894_scsih_sas_host_add(struct MPT3SAS_ADAPTER *ioc)
4895{
4896 int i;
4897 Mpi2ConfigReply_t mpi_reply;
4898 Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
4899 Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
4900 Mpi2SasPhyPage0_t phy_pg0;
4901 Mpi2SasDevicePage0_t sas_device_pg0;
4902 Mpi2SasEnclosurePage0_t enclosure_pg0;
4903 u16 ioc_status;
4904 u16 sz;
4905 u8 device_missing_delay;
87aa95d4 4906 u8 num_phys;
f92363d1 4907
87aa95d4
JL		 4908 mpt3sas_config_get_number_hba_phys(ioc, &num_phys);
4909 if (!num_phys) {
f92363d1
SR		 4910 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4911 ioc->name, __FILE__, __LINE__, __func__);
4912 return;
4913 }
87aa95d4
JL		 4914 ioc->sas_hba.phy = kcalloc(num_phys,
4915 sizeof(struct _sas_phy), GFP_KERNEL);
4916 if (!ioc->sas_hba.phy) {
4917 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4918 ioc->name, __FILE__, __LINE__, __func__);
4919 goto out;
4920 }
4921 ioc->sas_hba.num_phys = num_phys;
f92363d1
SR		 4922
4923 /* sas_iounit page 0 */
4924 sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys *
4925 sizeof(Mpi2SasIOUnit0PhyData_t));
4926 sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
4927 if (!sas_iounit_pg0) {
4928 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4929 ioc->name, __FILE__, __LINE__, __func__);
4930 return;
4931 }
4932 if ((mpt3sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
4933 sas_iounit_pg0, sz))) {
4934 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4935 ioc->name, __FILE__, __LINE__, __func__);
4936 goto out;
4937 }
4938 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
4939 MPI2_IOCSTATUS_MASK;
4940 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
4941 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4942 ioc->name, __FILE__, __LINE__, __func__);
4943 goto out;
4944 }
4945
4946 /* sas_iounit page 1 */
4947 sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys *
4948 sizeof(Mpi2SasIOUnit1PhyData_t));
4949 sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
4950 if (!sas_iounit_pg1) {
4951 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4952 ioc->name, __FILE__, __LINE__, __func__);
4953 goto out;
4954 }
4955 if ((mpt3sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
4956 sas_iounit_pg1, sz))) {
4957 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4958 ioc->name, __FILE__, __LINE__, __func__);
4959 goto out;
4960 }
4961 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
4962 MPI2_IOCSTATUS_MASK;
4963 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
4964 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4965 ioc->name, __FILE__, __LINE__, __func__);
4966 goto out;
4967 }
4968
4969 ioc->io_missing_delay =
4970 sas_iounit_pg1->IODeviceMissingDelay;
4971 device_missing_delay =
4972 sas_iounit_pg1->ReportDeviceMissingDelay;
4973 if (device_missing_delay & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
4974 ioc->device_missing_delay = (device_missing_delay &
4975 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
4976 else
4977 ioc->device_missing_delay = device_missing_delay &
4978 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
4979
4980 ioc->sas_hba.parent_dev = &ioc->shost->shost_gendev;
f92363d1
SR		 4981 for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
4982 if ((mpt3sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0,
4983 i))) {
4984 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4985 ioc->name, __FILE__, __LINE__, __func__);
4986 goto out;
4987 }
4988 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
4989 MPI2_IOCSTATUS_MASK;
4990 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
4991 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4992 ioc->name, __FILE__, __LINE__, __func__);
4993 goto out;
4994 }
4995
4996 if (i == 0)
4997 ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0->
4998 PhyData[0].ControllerDevHandle);
4999 ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
5000 ioc->sas_hba.phy[i].phy_id = i;
5001 mpt3sas_transport_add_host_phy(ioc, &ioc->sas_hba.phy[i],
5002 phy_pg0, ioc->sas_hba.parent_dev);
5003 }
5004 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
5005 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, ioc->sas_hba.handle))) {
5006 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5007 ioc->name, __FILE__, __LINE__, __func__);
5008 goto out;
5009 }
5010 ioc->sas_hba.enclosure_handle =
5011 le16_to_cpu(sas_device_pg0.EnclosureHandle);
5012 ioc->sas_hba.sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
5013 pr_info(MPT3SAS_FMT
5014 "host_add: handle(0x%04x), sas_addr(0x%016llx), phys(%d)\n",
5015 ioc->name, ioc->sas_hba.handle,
5016 (unsigned long long) ioc->sas_hba.sas_address,
5017 ioc->sas_hba.num_phys) ;
5018
5019 if (ioc->sas_hba.enclosure_handle) {
5020 if (!(mpt3sas_config_get_enclosure_pg0(ioc, &mpi_reply,
5021 &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
5022 ioc->sas_hba.enclosure_handle)))
5023 ioc->sas_hba.enclosure_logical_id =
5024 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
5025 }
5026
5027 out:
5028 kfree(sas_iounit_pg1);
5029 kfree(sas_iounit_pg0);
5030}
5031
5032/**
5033 * _scsih_expander_add - creating expander object
5034 * @ioc: per adapter object
5035 * @handle: expander handle
5036 *
5037 * Creating expander object, stored in ioc->sas_expander_list.
5038 *
5039 * Return 0 for success, else error.
5040 */
5041static int
5042_scsih_expander_add(struct MPT3SAS_ADAPTER *ioc, u16 handle)
5043{
5044 struct _sas_node *sas_expander;
5045 Mpi2ConfigReply_t mpi_reply;
5046 Mpi2ExpanderPage0_t expander_pg0;
5047 Mpi2ExpanderPage1_t expander_pg1;
5048 Mpi2SasEnclosurePage0_t enclosure_pg0;
5049 u32 ioc_status;
5050 u16 parent_handle;
5051 u64 sas_address, sas_address_parent = 0;
5052 int i;
5053 unsigned long flags;
5054 struct _sas_port *mpt3sas_port = NULL;
5055
5056 int rc = 0;
5057
5058 if (!handle)
5059 return -1;
5060
5061 if (ioc->shost_recovery || ioc->pci_error_recovery)
5062 return -1;
5063
5064 if ((mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
5065 MPI2_SAS_EXPAND_PGAD_FORM_HNDL, handle))) {
5066 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5067 ioc->name, __FILE__, __LINE__, __func__);
5068 return -1;
5069 }
5070
5071 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
5072 MPI2_IOCSTATUS_MASK;
5073 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
5074 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5075 ioc->name, __FILE__, __LINE__, __func__);
5076 return -1;
5077 }
5078
5079 /* handle out of order topology events */
5080 parent_handle = le16_to_cpu(expander_pg0.ParentDevHandle);
5081 if (_scsih_get_sas_address(ioc, parent_handle, &sas_address_parent)
5082 != 0) {
5083 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5084 ioc->name, __FILE__, __LINE__, __func__);
5085 return -1;
5086 }
5087 if (sas_address_parent != ioc->sas_hba.sas_address) {
5088 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5089 sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc,
5090 sas_address_parent);
5091 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5092 if (!sas_expander) {
5093 rc = _scsih_expander_add(ioc, parent_handle);
5094 if (rc != 0)
5095 return rc;
5096 }
5097 }
5098
5099 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5100 sas_address = le64_to_cpu(expander_pg0.SASAddress);
5101 sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc,
5102 sas_address);
5103 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5104
5105 if (sas_expander)
5106 return 0;
5107
5108 sas_expander = kzalloc(sizeof(struct _sas_node),
5109 GFP_KERNEL);
5110 if (!sas_expander) {
5111 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5112 ioc->name, __FILE__, __LINE__, __func__);
5113 return -1;
5114 }
5115
5116 sas_expander->handle = handle;
5117 sas_expander->num_phys = expander_pg0.NumPhys;
5118 sas_expander->sas_address_parent = sas_address_parent;
5119 sas_expander->sas_address = sas_address;
5120
5121 pr_info(MPT3SAS_FMT "expander_add: handle(0x%04x)," \
5122 " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc->name,
5123 handle, parent_handle, (unsigned long long)
5124 sas_expander->sas_address, sas_expander->num_phys);
5125
5126 if (!sas_expander->num_phys)
5127 goto out_fail;
5128 sas_expander->phy = kcalloc(sas_expander->num_phys,
5129 sizeof(struct _sas_phy), GFP_KERNEL);
5130 if (!sas_expander->phy) {
5131 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5132 ioc->name, __FILE__, __LINE__, __func__);
5133 rc = -1;
5134 goto out_fail;
5135 }
5136
5137 INIT_LIST_HEAD(&sas_expander->sas_port_list);
5138 mpt3sas_port = mpt3sas_transport_port_add(ioc, handle,
5139 sas_address_parent);
5140 if (!mpt3sas_port) {
5141 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5142 ioc->name, __FILE__, __LINE__, __func__);
5143 rc = -1;
5144 goto out_fail;
5145 }
5146 sas_expander->parent_dev = &mpt3sas_port->rphy->dev;
5147
5148 for (i = 0 ; i < sas_expander->num_phys ; i++) {
5149 if ((mpt3sas_config_get_expander_pg1(ioc, &mpi_reply,
5150 &expander_pg1, i, handle))) {
5151 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5152 ioc->name, __FILE__, __LINE__, __func__);
5153 rc = -1;
5154 goto out_fail;
5155 }
5156 sas_expander->phy[i].handle = handle;
5157 sas_expander->phy[i].phy_id = i;
5158
5159 if ((mpt3sas_transport_add_expander_phy(ioc,
5160 &sas_expander->phy[i], expander_pg1,
5161 sas_expander->parent_dev))) {
5162 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5163 ioc->name, __FILE__, __LINE__, __func__);
5164 rc = -1;
5165 goto out_fail;
5166 }
5167 }
5168
5169 if (sas_expander->enclosure_handle) {
5170 if (!(mpt3sas_config_get_enclosure_pg0(ioc, &mpi_reply,
5171 &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
5172 sas_expander->enclosure_handle)))
5173 sas_expander->enclosure_logical_id =
5174 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
5175 }
5176
5177 _scsih_expander_node_add(ioc, sas_expander);
5178 return 0;
5179
5180 out_fail:
5181
5182 if (mpt3sas_port)
5183 mpt3sas_transport_port_remove(ioc, sas_expander->sas_address,
5184 sas_address_parent);
5185 kfree(sas_expander);
5186 return rc;
5187}
5188
5189/**
5190 * mpt3sas_expander_remove - removing expander object
5191 * @ioc: per adapter object
5192 * @sas_address: expander sas_address
5193 *
5194 * Return nothing.
5195 */
5196void
5197mpt3sas_expander_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address)
5198{
5199 struct _sas_node *sas_expander;
5200 unsigned long flags;
5201
5202 if (ioc->shost_recovery)
5203 return;
5204
5205 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5206 sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc,
5207 sas_address);
5208 if (sas_expander)
5209 list_del(&sas_expander->list);
5210 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5211 if (sas_expander)
5212 _scsih_expander_node_remove(ioc, sas_expander);
5213}
5214
5215/**
5216 * _scsih_done - internal SCSI_IO callback handler.
5217 * @ioc: per adapter object
5218 * @smid: system request message index
5219 * @msix_index: MSIX table index supplied by the OS
5220 * @reply: reply message frame(lower 32bit addr)
5221 *
5222 * Callback handler when sending internal generated SCSI_IO.
5223 * The callback index passed is `ioc->scsih_cb_idx`
5224 *
5225 * Return 1 meaning mf should be freed from _base_interrupt
5226 * 0 means the mf is freed from this function.
5227 */
5228static u8
5229_scsih_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
5230{
5231 MPI2DefaultReply_t *mpi_reply;
5232
5233 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
5234 if (ioc->scsih_cmds.status == MPT3_CMD_NOT_USED)
5235 return 1;
5236 if (ioc->scsih_cmds.smid != smid)
5237 return 1;
5238 ioc->scsih_cmds.status |= MPT3_CMD_COMPLETE;
5239 if (mpi_reply) {
5240 memcpy(ioc->scsih_cmds.reply, mpi_reply,
5241 mpi_reply->MsgLength*4);
5242 ioc->scsih_cmds.status |= MPT3_CMD_REPLY_VALID;
5243 }
5244 ioc->scsih_cmds.status &= ~MPT3_CMD_PENDING;
5245 complete(&ioc->scsih_cmds.done);
5246 return 1;
5247}
5248
5249
5250
5251
5252#define MPT3_MAX_LUNS (255)
5253
5254
5255/**
5256 * _scsih_check_access_status - check access flags
5257 * @ioc: per adapter object
5258 * @sas_address: sas address
5259 * @handle: sas device handle
5260 * @access_flags: errors returned during discovery of the device
5261 *
5262 * Return 0 for success, else failure
5263 */
5264static u8
5265_scsih_check_access_status(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
5266 u16 handle, u8 access_status)
5267{
5268 u8 rc = 1;
5269 char *desc = NULL;
5270
5271 switch (access_status) {
5272 case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS:
5273 case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION:
5274 rc = 0;
5275 break;
5276 case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED:
5277 desc = "sata capability failed";
5278 break;
5279 case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT:
5280 desc = "sata affiliation conflict";
5281 break;
5282 case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE:
5283 desc = "route not addressable";
5284 break;
5285 case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE:
5286 desc = "smp error not addressable";
5287 break;
5288 case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED:
5289 desc = "device blocked";
5290 break;
5291 case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED:
5292 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN:
5293 case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT:
5294 case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG:
5295 case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION:
5296 case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER:
5297 case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN:
5298 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN:
5299 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN:
5300 case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION:
5301 case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE:
5302 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX:
5303 desc = "sata initialization failed";
5304 break;
5305 default:
5306 desc = "unknown";
5307 break;
5308 }
5309
5310 if (!rc)
5311 return 0;
5312
5313 pr_err(MPT3SAS_FMT
5314 "discovery errors(%s): sas_address(0x%016llx), handle(0x%04x)\n",
5315 ioc->name, desc, (unsigned long long)sas_address, handle);
5316 return rc;
5317}
5318
5319/**
5320 * _scsih_check_device - checking device responsiveness
5321 * @ioc: per adapter object
5322 * @parent_sas_address: sas address of parent expander or sas host
5323 * @handle: attached device handle
5324 * @phy_numberv: phy number
5325 * @link_rate: new link rate
5326 *
5327 * Returns nothing.
5328 */
5329static void
5330_scsih_check_device(struct MPT3SAS_ADAPTER *ioc,
5331 u64 parent_sas_address, u16 handle, u8 phy_number, u8 link_rate)
5332{
5333 Mpi2ConfigReply_t mpi_reply;
5334 Mpi2SasDevicePage0_t sas_device_pg0;
5335 struct _sas_device *sas_device;
5336 u32 ioc_status;
5337 unsigned long flags;
5338 u64 sas_address;
5339 struct scsi_target *starget;
5340 struct MPT3SAS_TARGET *sas_target_priv_data;
5341 u32 device_info;
5342
5343
5344 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
5345 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle)))
5346 return;
5347
5348 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
5349 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
5350 return;
5351
5352 /* wide port handling ~ we need only handle device once for the phy that
5353 * is matched in sas device page zero
5354 */
5355 if (phy_number != sas_device_pg0.PhyNum)
5356 return;
5357
5358 /* check if this is end device */
5359 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
5360 if (!(_scsih_is_end_device(device_info)))
5361 return;
5362
5363 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5364 sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
d1cb5e49 5365 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
f92363d1
SR		 5366 sas_address);
5367
d1cb5e49
SR		 5368 if (!sas_device)
5369 goto out_unlock;
f92363d1
SR		 5370
5371 if (unlikely(sas_device->handle != handle)) {
5372 starget = sas_device->starget;
5373 sas_target_priv_data = starget->hostdata;
5374 starget_printk(KERN_INFO, starget,
5375 "handle changed from(0x%04x) to (0x%04x)!!!\n",
5376 sas_device->handle, handle);
5377 sas_target_priv_data->handle = handle;
5378 sas_device->handle = handle;
e6d45e3e
SR		 5379 if (sas_device_pg0.Flags &
5380 MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
5381 sas_device->enclosure_level =
5382 le16_to_cpu(sas_device_pg0.EnclosureLevel);
310c8e40
CO		 5383 memcpy(sas_device->connector_name,
5384 sas_device_pg0.ConnectorName, 4);
5385 sas_device->connector_name[4] = '\0';
e6d45e3e
SR		 5386 } else {
5387 sas_device->enclosure_level = 0;
5388 sas_device->connector_name[0] = '\0';
5389 }
f92363d1
SR		 5390 }
5391
5392 /* check if device is present */
5393 if (!(le16_to_cpu(sas_device_pg0.Flags) &
5394 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
5395 pr_err(MPT3SAS_FMT
5396 "device is not present handle(0x%04x), flags!!!\n",
5397 ioc->name, handle);
d1cb5e49 5398 goto out_unlock;
f92363d1
SR		 5399 }
5400
5401 /* check if there were any issues with discovery */
5402 if (_scsih_check_access_status(ioc, sas_address, handle,
d1cb5e49
SR		 5403 sas_device_pg0.AccessStatus))
5404 goto out_unlock;
f92363d1
SR		 5405
5406 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5407 _scsih_ublock_io_device(ioc, sas_address);
5408
d1cb5e49
SR		 5409 if (sas_device)
5410 sas_device_put(sas_device);
5411 return;
5412
5413out_unlock:
5414 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5415 if (sas_device)
5416 sas_device_put(sas_device);
f92363d1
SR		 5417}
5418
5419/**
5420 * _scsih_add_device - creating sas device object
5421 * @ioc: per adapter object
5422 * @handle: sas device handle
5423 * @phy_num: phy number end device attached to
5424 * @is_pd: is this hidden raid component
5425 *
5426 * Creating end device object, stored in ioc->sas_device_list.
5427 *
5428 * Returns 0 for success, non-zero for failure.
5429 */
5430static int
5431_scsih_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phy_num,
5432 u8 is_pd)
5433{
5434 Mpi2ConfigReply_t mpi_reply;
5435 Mpi2SasDevicePage0_t sas_device_pg0;
5436 Mpi2SasEnclosurePage0_t enclosure_pg0;
5437 struct _sas_device *sas_device;
5438 u32 ioc_status;
5439 u64 sas_address;
5440 u32 device_info;
f92363d1
SR		 5441
5442 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
5443 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
5444 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5445 ioc->name, __FILE__, __LINE__, __func__);
5446 return -1;
5447 }
5448
5449 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
5450 MPI2_IOCSTATUS_MASK;
5451 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
5452 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5453 ioc->name, __FILE__, __LINE__, __func__);
5454 return -1;
5455 }
5456
5457 /* check if this is end device */
5458 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
5459 if (!(_scsih_is_end_device(device_info)))
5460 return -1;
5461 sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
5462
5463 /* check if device is present */
5464 if (!(le16_to_cpu(sas_device_pg0.Flags) &
5465 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
5466 pr_err(MPT3SAS_FMT "device is not present handle(0x04%x)!!!\n",
5467 ioc->name, handle);
5468 return -1;
5469 }
5470
5471 /* check if there were any issues with discovery */
5472 if (_scsih_check_access_status(ioc, sas_address, handle,
5473 sas_device_pg0.AccessStatus))
5474 return -1;
5475
d1cb5e49
SR		 5476 sas_device = mpt3sas_get_sdev_by_addr(ioc,
5477 sas_address);
5478 if (sas_device) {
5479 sas_device_put(sas_device);
f92363d1 5480 return -1;
d1cb5e49 5481 }
f92363d1
SR		 5482
5483 sas_device = kzalloc(sizeof(struct _sas_device),
5484 GFP_KERNEL);
5485 if (!sas_device) {
5486 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5487 ioc->name, __FILE__, __LINE__, __func__);
5488 return 0;
5489 }
5490
d1cb5e49 5491 kref_init(&sas_device->refcount);
f92363d1
SR		 5492 sas_device->handle = handle;
5493 if (_scsih_get_sas_address(ioc,
5494 le16_to_cpu(sas_device_pg0.ParentDevHandle),
5495 &sas_device->sas_address_parent) != 0)
5496 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5497 ioc->name, __FILE__, __LINE__, __func__);
5498 sas_device->enclosure_handle =
5499 le16_to_cpu(sas_device_pg0.EnclosureHandle);
e6d45e3e
SR		 5500 if (sas_device->enclosure_handle != 0)
5501 sas_device->slot =
5502 le16_to_cpu(sas_device_pg0.Slot);
f92363d1
SR		 5503 sas_device->device_info = device_info;
5504 sas_device->sas_address = sas_address;
5505 sas_device->phy = sas_device_pg0.PhyNum;
5506 sas_device->fast_path = (le16_to_cpu(sas_device_pg0.Flags) &
5507 MPI25_SAS_DEVICE0_FLAGS_FAST_PATH_CAPABLE) ? 1 : 0;
5508
e6d45e3e
SR		 5509 if (sas_device_pg0.Flags & MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
5510 sas_device->enclosure_level =
5511 le16_to_cpu(sas_device_pg0.EnclosureLevel);
310c8e40
CO		 5512 memcpy(sas_device->connector_name,
5513 sas_device_pg0.ConnectorName, 4);
5514 sas_device->connector_name[4] = '\0';
e6d45e3e
SR		 5515 } else {
5516 sas_device->enclosure_level = 0;
5517 sas_device->connector_name[0] = '\0';
5518 }
f92363d1
SR		 5519 /* get enclosure_logical_id */
5520 if (sas_device->enclosure_handle && !(mpt3sas_config_get_enclosure_pg0(
5521 ioc, &mpi_reply, &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
5522 sas_device->enclosure_handle)))
5523 sas_device->enclosure_logical_id =
5524 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
5525
5526 /* get device name */
5527 sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName);
5528
5529 if (ioc->wait_for_discovery_to_complete)
5530 _scsih_sas_device_init_add(ioc, sas_device);
5531 else
5532 _scsih_sas_device_add(ioc, sas_device);
5533
d1cb5e49 5534 sas_device_put(sas_device);
f92363d1
SR		 5535 return 0;
5536}
5537
5538/**
5539 * _scsih_remove_device - removing sas device object
5540 * @ioc: per adapter object
5541 * @sas_device_delete: the sas_device object
5542 *
5543 * Return nothing.
5544 */
5545static void
5546_scsih_remove_device(struct MPT3SAS_ADAPTER *ioc,
5547 struct _sas_device *sas_device)
5548{
5549 struct MPT3SAS_TARGET *sas_target_priv_data;
5550
0f624c39
SR		 5551 if ((ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) &&
5552 (sas_device->pfa_led_on)) {
5553 _scsih_turn_off_pfa_led(ioc, sas_device);
5554 sas_device->pfa_led_on = 0;
5555 }
f92363d1
SR		 5556 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5557 "%s: enter: handle(0x%04x), sas_addr(0x%016llx)\n",
5558 ioc->name, __func__,
5559 sas_device->handle, (unsigned long long)
5560 sas_device->sas_address));
e6d45e3e
SR		 5561 if (sas_device->enclosure_handle != 0)
5562 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5563 "%s: enter: enclosure logical id(0x%016llx), slot(%d)\n",
5564 ioc->name, __func__,
5565 (unsigned long long)sas_device->enclosure_logical_id,
5566 sas_device->slot));
5567 if (sas_device->connector_name[0] != '\0')
5568 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5569 "%s: enter: enclosure level(0x%04x), connector name( %s)\n",
5570 ioc->name, __func__,
5571 sas_device->enclosure_level,
5572 sas_device->connector_name));
f92363d1
SR		 5573
5574 if (sas_device->starget && sas_device->starget->hostdata) {
5575 sas_target_priv_data = sas_device->starget->hostdata;
5576 sas_target_priv_data->deleted = 1;
5577 _scsih_ublock_io_device(ioc, sas_device->sas_address);
5578 sas_target_priv_data->handle =
5579 MPT3SAS_INVALID_DEVICE_HANDLE;
5580 }
7786ab6a
SR		 5581
5582 if (!ioc->hide_drives)
5583 mpt3sas_transport_port_remove(ioc,
f92363d1
SR		 5584 sas_device->sas_address,
5585 sas_device->sas_address_parent);
5586
5587 pr_info(MPT3SAS_FMT
5588 "removing handle(0x%04x), sas_addr(0x%016llx)\n",
5589 ioc->name, sas_device->handle,
5590 (unsigned long long) sas_device->sas_address);
e6d45e3e
SR		 5591 if (sas_device->enclosure_handle != 0)
5592 pr_info(MPT3SAS_FMT
5593 "removing : enclosure logical id(0x%016llx), slot(%d)\n",
5594 ioc->name,
5595 (unsigned long long)sas_device->enclosure_logical_id,
5596 sas_device->slot);
5597 if (sas_device->connector_name[0] != '\0')
5598 pr_info(MPT3SAS_FMT
5599 "removing enclosure level(0x%04x), connector name( %s)\n",
5600 ioc->name, sas_device->enclosure_level,
5601 sas_device->connector_name);
f92363d1
SR		 5602
5603 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5604 "%s: exit: handle(0x%04x), sas_addr(0x%016llx)\n",
5605 ioc->name, __func__,
e6d45e3e
SR		 5606 sas_device->handle, (unsigned long long)
5607 sas_device->sas_address));
5608 if (sas_device->enclosure_handle != 0)
5609 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5610 "%s: exit: enclosure logical id(0x%016llx), slot(%d)\n",
5611 ioc->name, __func__,
5612 (unsigned long long)sas_device->enclosure_logical_id,
5613 sas_device->slot));
5614 if (sas_device->connector_name[0] != '\0')
5615 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5616 "%s: exit: enclosure level(0x%04x), connector name(%s)\n",
5617 ioc->name, __func__, sas_device->enclosure_level,
5618 sas_device->connector_name));
f92363d1
SR		 5619}
5620
f92363d1
SR		 5621/**
5622 * _scsih_sas_topology_change_event_debug - debug for topology event
5623 * @ioc: per adapter object
5624 * @event_data: event data payload
5625 * Context: user.
5626 */
5627static void
5628_scsih_sas_topology_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
5629 Mpi2EventDataSasTopologyChangeList_t *event_data)
5630{
5631 int i;
5632 u16 handle;
5633 u16 reason_code;
5634 u8 phy_number;
5635 char *status_str = NULL;
5636 u8 link_rate, prev_link_rate;
5637
5638 switch (event_data->ExpStatus) {
5639 case MPI2_EVENT_SAS_TOPO_ES_ADDED:
5640 status_str = "add";
5641 break;
5642 case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING:
5643 status_str = "remove";
5644 break;
5645 case MPI2_EVENT_SAS_TOPO_ES_RESPONDING:
5646 case 0:
5647 status_str = "responding";
5648 break;
5649 case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING:
5650 status_str = "remove delay";
5651 break;
5652 default:
5653 status_str = "unknown status";
5654 break;
5655 }
5656 pr_info(MPT3SAS_FMT "sas topology change: (%s)\n",
5657 ioc->name, status_str);
5658 pr_info("\thandle(0x%04x), enclosure_handle(0x%04x) " \
5659 "start_phy(%02d), count(%d)\n",
5660 le16_to_cpu(event_data->ExpanderDevHandle),
5661 le16_to_cpu(event_data->EnclosureHandle),
5662 event_data->StartPhyNum, event_data->NumEntries);
5663 for (i = 0; i < event_data->NumEntries; i++) {
5664 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
5665 if (!handle)
5666 continue;
5667 phy_number = event_data->StartPhyNum + i;
5668 reason_code = event_data->PHY[i].PhyStatus &
5669 MPI2_EVENT_SAS_TOPO_RC_MASK;
5670 switch (reason_code) {
5671 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
5672 status_str = "target add";
5673 break;
5674 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
5675 status_str = "target remove";
5676 break;
5677 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
5678 status_str = "delay target remove";
5679 break;
5680 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
5681 status_str = "link rate change";
5682 break;
5683 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
5684 status_str = "target responding";
5685 break;
5686 default:
5687 status_str = "unknown";
5688 break;
5689 }
5690 link_rate = event_data->PHY[i].LinkRate >> 4;
5691 prev_link_rate = event_data->PHY[i].LinkRate & 0xF;
5692 pr_info("\tphy(%02d), attached_handle(0x%04x): %s:" \
5693 " link rate: new(0x%02x), old(0x%02x)\n", phy_number,
5694 handle, status_str, link_rate, prev_link_rate);
5695
5696 }
5697}
f92363d1
SR		 5698
5699/**
5700 * _scsih_sas_topology_change_event - handle topology changes
5701 * @ioc: per adapter object
5702 * @fw_event: The fw_event_work object
5703 * Context: user.
5704 *
5705 */
5706static int
5707_scsih_sas_topology_change_event(struct MPT3SAS_ADAPTER *ioc,
5708 struct fw_event_work *fw_event)
5709{
5710 int i;
5711 u16 parent_handle, handle;
5712 u16 reason_code;
5713 u8 phy_number, max_phys;
5714 struct _sas_node *sas_expander;
5715 u64 sas_address;
5716 unsigned long flags;
5717 u8 link_rate, prev_link_rate;
35b62362
JL		 5718 Mpi2EventDataSasTopologyChangeList_t *event_data =
5719 (Mpi2EventDataSasTopologyChangeList_t *)
5720 fw_event->event_data;
f92363d1 5721
f92363d1
SR		 5722 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
5723 _scsih_sas_topology_change_event_debug(ioc, event_data);
f92363d1
SR		 5724
5725 if (ioc->shost_recovery || ioc->remove_host || ioc->pci_error_recovery)
5726 return 0;
5727
5728 if (!ioc->sas_hba.num_phys)
5729 _scsih_sas_host_add(ioc);
5730 else
5731 _scsih_sas_host_refresh(ioc);
5732
5733 if (fw_event->ignore) {
5734 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5735 "ignoring expander event\n", ioc->name));
5736 return 0;
5737 }
5738
5739 parent_handle = le16_to_cpu(event_data->ExpanderDevHandle);
5740
5741 /* handle expander add */
5742 if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_ADDED)
5743 if (_scsih_expander_add(ioc, parent_handle) != 0)
5744 return 0;
5745
5746 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5747 sas_expander = mpt3sas_scsih_expander_find_by_handle(ioc,
5748 parent_handle);
5749 if (sas_expander) {
5750 sas_address = sas_expander->sas_address;
5751 max_phys = sas_expander->num_phys;
5752 } else if (parent_handle < ioc->sas_hba.num_phys) {
5753 sas_address = ioc->sas_hba.sas_address;
5754 max_phys = ioc->sas_hba.num_phys;
5755 } else {
5756 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5757 return 0;
5758 }
5759 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5760
5761 /* handle siblings events */
5762 for (i = 0; i < event_data->NumEntries; i++) {
5763 if (fw_event->ignore) {
5764 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5765 "ignoring expander event\n", ioc->name));
5766 return 0;
5767 }
5768 if (ioc->remove_host || ioc->pci_error_recovery)
5769 return 0;
5770 phy_number = event_data->StartPhyNum + i;
5771 if (phy_number >= max_phys)
5772 continue;
5773 reason_code = event_data->PHY[i].PhyStatus &
5774 MPI2_EVENT_SAS_TOPO_RC_MASK;
5775 if ((event_data->PHY[i].PhyStatus &
5776 MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) && (reason_code !=
5777 MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING))
5778 continue;
5779 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
5780 if (!handle)
5781 continue;
5782 link_rate = event_data->PHY[i].LinkRate >> 4;
5783 prev_link_rate = event_data->PHY[i].LinkRate & 0xF;
5784 switch (reason_code) {
5785 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
5786
5787 if (ioc->shost_recovery)
5788 break;
5789
5790 if (link_rate == prev_link_rate)
5791 break;
5792
5793 mpt3sas_transport_update_links(ioc, sas_address,
5794 handle, phy_number, link_rate);
5795
5796 if (link_rate < MPI2_SAS_NEG_LINK_RATE_1_5)
5797 break;
5798
5799 _scsih_check_device(ioc, sas_address, handle,
5800 phy_number, link_rate);
5801
5802
5803 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
5804
5805 if (ioc->shost_recovery)
5806 break;
5807
5808 mpt3sas_transport_update_links(ioc, sas_address,
5809 handle, phy_number, link_rate);
5810
5811 _scsih_add_device(ioc, handle, phy_number, 0);
5812
5813 break;
5814 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
5815
5816 _scsih_device_remove_by_handle(ioc, handle);
5817 break;
5818 }
5819 }
5820
5821 /* handle expander removal */
5822 if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING &&
5823 sas_expander)
5824 mpt3sas_expander_remove(ioc, sas_address);
5825
5826 return 0;
5827}
5828
f92363d1
SR		 5829/**
5830 * _scsih_sas_device_status_change_event_debug - debug for device event
5831 * @event_data: event data payload
5832 * Context: user.
5833 *
5834 * Return nothing.
5835 */
5836static void
5837_scsih_sas_device_status_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
5838 Mpi2EventDataSasDeviceStatusChange_t *event_data)
5839{
5840 char *reason_str = NULL;
5841
5842 switch (event_data->ReasonCode) {
5843 case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
5844 reason_str = "smart data";
5845 break;
5846 case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED:
5847 reason_str = "unsupported device discovered";
5848 break;
5849 case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
5850 reason_str = "internal device reset";
5851 break;
5852 case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL:
5853 reason_str = "internal task abort";
5854 break;
5855 case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL:
5856 reason_str = "internal task abort set";
5857 break;
5858 case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL:
5859 reason_str = "internal clear task set";
5860 break;
5861 case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL:
5862 reason_str = "internal query task";
5863 break;
5864 case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE:
5865 reason_str = "sata init failure";
5866 break;
5867 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET:
5868 reason_str = "internal device reset complete";
5869 break;
5870 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL:
5871 reason_str = "internal task abort complete";
5872 break;
5873 case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION:
5874 reason_str = "internal async notification";
5875 break;
5876 case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY:
5877 reason_str = "expander reduced functionality";
5878 break;
5879 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY:
5880 reason_str = "expander reduced functionality complete";
5881 break;
5882 default:
5883 reason_str = "unknown reason";
5884 break;
5885 }
5886 pr_info(MPT3SAS_FMT "device status change: (%s)\n"
5887 "\thandle(0x%04x), sas address(0x%016llx), tag(%d)",
5888 ioc->name, reason_str, le16_to_cpu(event_data->DevHandle),
5889 (unsigned long long)le64_to_cpu(event_data->SASAddress),
5890 le16_to_cpu(event_data->TaskTag));
5891 if (event_data->ReasonCode == MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA)
5892 pr_info(MPT3SAS_FMT ", ASC(0x%x), ASCQ(0x%x)\n", ioc->name,
5893 event_data->ASC, event_data->ASCQ);
5894 pr_info("\n");
5895}
f92363d1
SR		 5896
5897/**
5898 * _scsih_sas_device_status_change_event - handle device status change
5899 * @ioc: per adapter object
5900 * @fw_event: The fw_event_work object
5901 * Context: user.
5902 *
5903 * Return nothing.
5904 */
5905static void
5906_scsih_sas_device_status_change_event(struct MPT3SAS_ADAPTER *ioc,
5907 struct fw_event_work *fw_event)
5908{
5909 struct MPT3SAS_TARGET *target_priv_data;
5910 struct _sas_device *sas_device;
5911 u64 sas_address;
5912 unsigned long flags;
5913 Mpi2EventDataSasDeviceStatusChange_t *event_data =
35b62362
JL		 5914 (Mpi2EventDataSasDeviceStatusChange_t *)
5915 fw_event->event_data;
f92363d1 5916
f92363d1
SR		 5917 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
5918 _scsih_sas_device_status_change_event_debug(ioc,
5919 event_data);
f92363d1
SR		 5920
5921 /* In MPI Revision K (0xC), the internal device reset complete was
5922 * implemented, so avoid setting tm_busy flag for older firmware.
5923 */
5924 if ((ioc->facts.HeaderVersion >> 8) < 0xC)
5925 return;
5926
5927 if (event_data->ReasonCode !=
5928 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET &&
5929 event_data->ReasonCode !=
5930 MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET)
5931 return;
5932
5933 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5934 sas_address = le64_to_cpu(event_data->SASAddress);
d1cb5e49 5935 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
f92363d1
SR		 5936 sas_address);
5937
d1cb5e49
SR		 5938 if (!sas_device || !sas_device->starget)
5939 goto out;
f92363d1
SR		 5940
5941 target_priv_data = sas_device->starget->hostdata;
d1cb5e49
SR		 5942 if (!target_priv_data)
5943 goto out;
f92363d1
SR		 5944
5945 if (event_data->ReasonCode ==
5946 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET)
5947 target_priv_data->tm_busy = 1;
5948 else
5949 target_priv_data->tm_busy = 0;
d1cb5e49
SR		 5950
5951out:
5952 if (sas_device)
5953 sas_device_put(sas_device);
5954
f92363d1 5955 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
d1cb5e49 5956
f92363d1
SR		 5957}
5958
f92363d1
SR		 5959/**
5960 * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure
5961 * event
5962 * @ioc: per adapter object
5963 * @event_data: event data payload
5964 * Context: user.
5965 *
5966 * Return nothing.
5967 */
5968static void
5969_scsih_sas_enclosure_dev_status_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
5970 Mpi2EventDataSasEnclDevStatusChange_t *event_data)
5971{
5972 char *reason_str = NULL;
5973
5974 switch (event_data->ReasonCode) {
5975 case MPI2_EVENT_SAS_ENCL_RC_ADDED:
5976 reason_str = "enclosure add";
5977 break;
5978 case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING:
5979 reason_str = "enclosure remove";
5980 break;
5981 default:
5982 reason_str = "unknown reason";
5983 break;
5984 }
5985
5986 pr_info(MPT3SAS_FMT "enclosure status change: (%s)\n"
5987 "\thandle(0x%04x), enclosure logical id(0x%016llx)"
5988 " number slots(%d)\n", ioc->name, reason_str,
5989 le16_to_cpu(event_data->EnclosureHandle),
5990 (unsigned long long)le64_to_cpu(event_data->EnclosureLogicalID),
5991 le16_to_cpu(event_data->StartSlot));
5992}
f92363d1
SR		 5993
5994/**
5995 * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events
5996 * @ioc: per adapter object
5997 * @fw_event: The fw_event_work object
5998 * Context: user.
5999 *
6000 * Return nothing.
6001 */
6002static void
6003_scsih_sas_enclosure_dev_status_change_event(struct MPT3SAS_ADAPTER *ioc,
6004 struct fw_event_work *fw_event)
6005{
f92363d1
SR		 6006 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
6007 _scsih_sas_enclosure_dev_status_change_event_debug(ioc,
35b62362 6008 (Mpi2EventDataSasEnclDevStatusChange_t *)
f92363d1 6009 fw_event->event_data);
f92363d1
SR		 6010}
6011
6012/**
6013 * _scsih_sas_broadcast_primitive_event - handle broadcast events
6014 * @ioc: per adapter object
6015 * @fw_event: The fw_event_work object
6016 * Context: user.
6017 *
6018 * Return nothing.
6019 */
6020static void
6021_scsih_sas_broadcast_primitive_event(struct MPT3SAS_ADAPTER *ioc,
6022 struct fw_event_work *fw_event)
6023{
6024 struct scsi_cmnd *scmd;
6025 struct scsi_device *sdev;
6026 u16 smid, handle;
6027 u32 lun;
6028 struct MPT3SAS_DEVICE *sas_device_priv_data;
6029 u32 termination_count;
6030 u32 query_count;
6031 Mpi2SCSITaskManagementReply_t *mpi_reply;
35b62362
JL		 6032 Mpi2EventDataSasBroadcastPrimitive_t *event_data =
6033 (Mpi2EventDataSasBroadcastPrimitive_t *)
6034 fw_event->event_data;
f92363d1
SR		 6035 u16 ioc_status;
6036 unsigned long flags;
6037 int r;
6038 u8 max_retries = 0;
6039 u8 task_abort_retries;
6040
6041 mutex_lock(&ioc->tm_cmds.mutex);
6042 pr_info(MPT3SAS_FMT
6043 "%s: enter: phy number(%d), width(%d)\n",
6044 ioc->name, __func__, event_data->PhyNum,
6045 event_data->PortWidth);
6046
6047 _scsih_block_io_all_device(ioc);
6048
6049 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6050 mpi_reply = ioc->tm_cmds.reply;
6051 broadcast_aen_retry:
6052
6053 /* sanity checks for retrying this loop */
6054 if (max_retries++ == 5) {
6055 dewtprintk(ioc, pr_info(MPT3SAS_FMT "%s: giving up\n",
6056 ioc->name, __func__));
6057 goto out;
6058 } else if (max_retries > 1)
6059 dewtprintk(ioc, pr_info(MPT3SAS_FMT "%s: %d retry\n",
6060 ioc->name, __func__, max_retries - 1));
6061
6062 termination_count = 0;
6063 query_count = 0;
6064 for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
6065 if (ioc->shost_recovery)
6066 goto out;
6067 scmd = _scsih_scsi_lookup_get(ioc, smid);
6068 if (!scmd)
6069 continue;
6070 sdev = scmd->device;
6071 sas_device_priv_data = sdev->hostdata;
6072 if (!sas_device_priv_data || !sas_device_priv_data->sas_target)
6073 continue;
6074 /* skip hidden raid components */
6075 if (sas_device_priv_data->sas_target->flags &
6076 MPT_TARGET_FLAGS_RAID_COMPONENT)
6077 continue;
6078 /* skip volumes */
6079 if (sas_device_priv_data->sas_target->flags &
6080 MPT_TARGET_FLAGS_VOLUME)
6081 continue;
6082
6083 handle = sas_device_priv_data->sas_target->handle;
6084 lun = sas_device_priv_data->lun;
6085 query_count++;
6086
6087 if (ioc->shost_recovery)
6088 goto out;
6089
6090 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
6091 r = mpt3sas_scsih_issue_tm(ioc, handle, 0, 0, lun,
c62e46de 6092 MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30,
f92363d1
SR		 6093 TM_MUTEX_OFF);
6094 if (r == FAILED) {
6095 sdev_printk(KERN_WARNING, sdev,
6096 "mpt3sas_scsih_issue_tm: FAILED when sending "
6097 "QUERY_TASK: scmd(%p)\n", scmd);
6098 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6099 goto broadcast_aen_retry;
6100 }
6101 ioc_status = le16_to_cpu(mpi_reply->IOCStatus)
6102 & MPI2_IOCSTATUS_MASK;
6103 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6104 sdev_printk(KERN_WARNING, sdev,
6105 "query task: FAILED with IOCSTATUS(0x%04x), scmd(%p)\n",
6106 ioc_status, scmd);
6107 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6108 goto broadcast_aen_retry;
6109 }
6110
6111 /* see if IO is still owned by IOC and target */
6112 if (mpi_reply->ResponseCode ==
6113 MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED ||
6114 mpi_reply->ResponseCode ==
6115 MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC) {
6116 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6117 continue;
6118 }
6119 task_abort_retries = 0;
6120 tm_retry:
6121 if (task_abort_retries++ == 60) {
6122 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6123 "%s: ABORT_TASK: giving up\n", ioc->name,
6124 __func__));
6125 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6126 goto broadcast_aen_retry;
6127 }
6128
6129 if (ioc->shost_recovery)
6130 goto out_no_lock;
6131
6132 r = mpt3sas_scsih_issue_tm(ioc, handle, sdev->channel, sdev->id,
6133 sdev->lun, MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30,
c62e46de 6134 TM_MUTEX_OFF);
f92363d1
SR		 6135 if (r == FAILED) {
6136 sdev_printk(KERN_WARNING, sdev,
6137 "mpt3sas_scsih_issue_tm: ABORT_TASK: FAILED : "
6138 "scmd(%p)\n", scmd);
6139 goto tm_retry;
6140 }
6141
6142 if (task_abort_retries > 1)
6143 sdev_printk(KERN_WARNING, sdev,
6144 "mpt3sas_scsih_issue_tm: ABORT_TASK: RETRIES (%d):"
6145 " scmd(%p)\n",
6146 task_abort_retries - 1, scmd);
6147
6148 termination_count += le32_to_cpu(mpi_reply->TerminationCount);
6149 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6150 }
6151
6152 if (ioc->broadcast_aen_pending) {
6153 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6154 "%s: loop back due to pending AEN\n",
6155 ioc->name, __func__));
6156 ioc->broadcast_aen_pending = 0;
6157 goto broadcast_aen_retry;
6158 }
6159
6160 out:
6161 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
6162 out_no_lock:
6163
6164 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6165 "%s - exit, query_count = %d termination_count = %d\n",
6166 ioc->name, __func__, query_count, termination_count));
6167
6168 ioc->broadcast_aen_busy = 0;
6169 if (!ioc->shost_recovery)
6170 _scsih_ublock_io_all_device(ioc);
6171 mutex_unlock(&ioc->tm_cmds.mutex);
6172}
6173
6174/**
6175 * _scsih_sas_discovery_event - handle discovery events
6176 * @ioc: per adapter object
6177 * @fw_event: The fw_event_work object
6178 * Context: user.
6179 *
6180 * Return nothing.
6181 */
6182static void
6183_scsih_sas_discovery_event(struct MPT3SAS_ADAPTER *ioc,
6184 struct fw_event_work *fw_event)
6185{
35b62362
JL		 6186 Mpi2EventDataSasDiscovery_t *event_data =
6187 (Mpi2EventDataSasDiscovery_t *) fw_event->event_data;
f92363d1 6188
f92363d1
SR		 6189 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) {
6190 pr_info(MPT3SAS_FMT "discovery event: (%s)", ioc->name,
6191 (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ?
6192 "start" : "stop");
af009411
SR		 6193 if (event_data->DiscoveryStatus)
6194 pr_info("discovery_status(0x%08x)",
6195 le32_to_cpu(event_data->DiscoveryStatus));
6196 pr_info("\n");
f92363d1 6197 }
f92363d1
SR		 6198
6199 if (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED &&
6200 !ioc->sas_hba.num_phys) {
6201 if (disable_discovery > 0 && ioc->shost_recovery) {
6202 /* Wait for the reset to complete */
6203 while (ioc->shost_recovery)
6204 ssleep(1);
6205 }
6206 _scsih_sas_host_add(ioc);
6207 }
6208}
6209
6210/**
6211 * _scsih_ir_fastpath - turn on fastpath for IR physdisk
6212 * @ioc: per adapter object
6213 * @handle: device handle for physical disk
6214 * @phys_disk_num: physical disk number
6215 *
6216 * Return 0 for success, else failure.
6217 */
6218static int
6219_scsih_ir_fastpath(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phys_disk_num)
6220{
6221 Mpi2RaidActionRequest_t *mpi_request;
6222 Mpi2RaidActionReply_t *mpi_reply;
6223 u16 smid;
6224 u8 issue_reset = 0;
6225 int rc = 0;
6226 u16 ioc_status;
6227 u32 log_info;
6228
c84b06a4
SR		 6229 if (ioc->hba_mpi_version_belonged == MPI2_VERSION)
6230 return rc;
6231
f92363d1
SR		 6232 mutex_lock(&ioc->scsih_cmds.mutex);
6233
6234 if (ioc->scsih_cmds.status != MPT3_CMD_NOT_USED) {
6235 pr_err(MPT3SAS_FMT "%s: scsih_cmd in use\n",
6236 ioc->name, __func__);
6237 rc = -EAGAIN;
6238 goto out;
6239 }
6240 ioc->scsih_cmds.status = MPT3_CMD_PENDING;
6241
6242 smid = mpt3sas_base_get_smid(ioc, ioc->scsih_cb_idx);
6243 if (!smid) {
6244 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
6245 ioc->name, __func__);
6246 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
6247 rc = -EAGAIN;
6248 goto out;
6249 }
6250
6251 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
6252 ioc->scsih_cmds.smid = smid;
6253 memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t));
6254
6255 mpi_request->Function = MPI2_FUNCTION_RAID_ACTION;
6256 mpi_request->Action = MPI2_RAID_ACTION_PHYSDISK_HIDDEN;
6257 mpi_request->PhysDiskNum = phys_disk_num;
6258
6259 dewtprintk(ioc, pr_info(MPT3SAS_FMT "IR RAID_ACTION: turning fast "\
6260 "path on for handle(0x%04x), phys_disk_num (0x%02x)\n", ioc->name,
6261 handle, phys_disk_num));
6262
6263 init_completion(&ioc->scsih_cmds.done);
6264 mpt3sas_base_put_smid_default(ioc, smid);
6265 wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ);
6266
6267 if (!(ioc->scsih_cmds.status & MPT3_CMD_COMPLETE)) {
6268 pr_err(MPT3SAS_FMT "%s: timeout\n",
6269 ioc->name, __func__);
6270 if (!(ioc->scsih_cmds.status & MPT3_CMD_RESET))
6271 issue_reset = 1;
6272 rc = -EFAULT;
6273 goto out;
6274 }
6275
6276 if (ioc->scsih_cmds.status & MPT3_CMD_REPLY_VALID) {
6277
6278 mpi_reply = ioc->scsih_cmds.reply;
6279 ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
6280 if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
6281 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
6282 else
6283 log_info = 0;
6284 ioc_status &= MPI2_IOCSTATUS_MASK;
6285 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6286 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6287 "IR RAID_ACTION: failed: ioc_status(0x%04x), "
6288 "loginfo(0x%08x)!!!\n", ioc->name, ioc_status,
6289 log_info));
6290 rc = -EFAULT;
6291 } else
6292 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6293 "IR RAID_ACTION: completed successfully\n",
6294 ioc->name));
6295 }
6296
6297 out:
6298 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
6299 mutex_unlock(&ioc->scsih_cmds.mutex);
6300
6301 if (issue_reset)
6302 mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP,
6303 FORCE_BIG_HAMMER);
6304 return rc;
6305}
6306
6307/**
6308 * _scsih_reprobe_lun - reprobing lun
6309 * @sdev: scsi device struct
6310 * @no_uld_attach: sdev->no_uld_attach flag setting
6311 *
6312 **/
6313static void
6314_scsih_reprobe_lun(struct scsi_device *sdev, void *no_uld_attach)
6315{
6316 int rc;
6317 sdev->no_uld_attach = no_uld_attach ? 1 : 0;
6318 sdev_printk(KERN_INFO, sdev, "%s raid component\n",
6319 sdev->no_uld_attach ? "hidding" : "exposing");
6320 rc = scsi_device_reprobe(sdev);
6321}
6322
6323/**
6324 * _scsih_sas_volume_add - add new volume
6325 * @ioc: per adapter object
6326 * @element: IR config element data
6327 * Context: user.
6328 *
6329 * Return nothing.
6330 */
6331static void
6332_scsih_sas_volume_add(struct MPT3SAS_ADAPTER *ioc,
6333 Mpi2EventIrConfigElement_t *element)
6334{
6335 struct _raid_device *raid_device;
6336 unsigned long flags;
6337 u64 wwid;
6338 u16 handle = le16_to_cpu(element->VolDevHandle);
6339 int rc;
6340
6341 mpt3sas_config_get_volume_wwid(ioc, handle, &wwid);
6342 if (!wwid) {
6343 pr_err(MPT3SAS_FMT
6344 "failure at %s:%d/%s()!\n", ioc->name,
6345 __FILE__, __LINE__, __func__);
6346 return;
6347 }
6348
6349 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6350 raid_device = _scsih_raid_device_find_by_wwid(ioc, wwid);
6351 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6352
6353 if (raid_device)
6354 return;
6355
6356 raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
6357 if (!raid_device) {
6358 pr_err(MPT3SAS_FMT
6359 "failure at %s:%d/%s()!\n", ioc->name,
6360 __FILE__, __LINE__, __func__);
6361 return;
6362 }
6363
6364 raid_device->id = ioc->sas_id++;
6365 raid_device->channel = RAID_CHANNEL;
6366 raid_device->handle = handle;
6367 raid_device->wwid = wwid;
6368 _scsih_raid_device_add(ioc, raid_device);
6369 if (!ioc->wait_for_discovery_to_complete) {
6370 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
6371 raid_device->id, 0);
6372 if (rc)
6373 _scsih_raid_device_remove(ioc, raid_device);
6374 } else {
6375 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6376 _scsih_determine_boot_device(ioc, raid_device, 1);
6377 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6378 }
6379}
6380
6381/**
6382 * _scsih_sas_volume_delete - delete volume
6383 * @ioc: per adapter object
6384 * @handle: volume device handle
6385 * Context: user.
6386 *
6387 * Return nothing.
6388 */
6389static void
6390_scsih_sas_volume_delete(struct MPT3SAS_ADAPTER *ioc, u16 handle)
6391{
6392 struct _raid_device *raid_device;
6393 unsigned long flags;
6394 struct MPT3SAS_TARGET *sas_target_priv_data;
6395 struct scsi_target *starget = NULL;
6396
6397 spin_lock_irqsave(&ioc->raid_device_lock, flags);
c84b06a4 6398 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
f92363d1
SR		 6399 if (raid_device) {
6400 if (raid_device->starget) {
6401 starget = raid_device->starget;
6402 sas_target_priv_data = starget->hostdata;
6403 sas_target_priv_data->deleted = 1;
6404 }
6405 pr_info(MPT3SAS_FMT "removing handle(0x%04x), wwid(0x%016llx)\n",
6406 ioc->name, raid_device->handle,
6407 (unsigned long long) raid_device->wwid);
6408 list_del(&raid_device->list);
6409 kfree(raid_device);
6410 }
6411 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6412 if (starget)
6413 scsi_remove_target(&starget->dev);
6414}
6415
6416/**
6417 * _scsih_sas_pd_expose - expose pd component to /dev/sdX
6418 * @ioc: per adapter object
6419 * @element: IR config element data
6420 * Context: user.
6421 *
6422 * Return nothing.
6423 */
6424static void
6425_scsih_sas_pd_expose(struct MPT3SAS_ADAPTER *ioc,
6426 Mpi2EventIrConfigElement_t *element)
6427{
6428 struct _sas_device *sas_device;
6429 struct scsi_target *starget = NULL;
6430 struct MPT3SAS_TARGET *sas_target_priv_data;
6431 unsigned long flags;
6432 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6433
6434 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 6435 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
f92363d1
SR		 6436 if (sas_device) {
6437 sas_device->volume_handle = 0;
6438 sas_device->volume_wwid = 0;
6439 clear_bit(handle, ioc->pd_handles);
6440 if (sas_device->starget && sas_device->starget->hostdata) {
6441 starget = sas_device->starget;
6442 sas_target_priv_data = starget->hostdata;
6443 sas_target_priv_data->flags &=
6444 ~MPT_TARGET_FLAGS_RAID_COMPONENT;
6445 }
6446 }
6447 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
6448 if (!sas_device)
6449 return;
6450
6451 /* exposing raid component */
6452 if (starget)
6453 starget_for_each_device(starget, NULL, _scsih_reprobe_lun);
d1cb5e49
SR		 6454
6455 sas_device_put(sas_device);
f92363d1
SR		 6456}
6457
6458/**
6459 * _scsih_sas_pd_hide - hide pd component from /dev/sdX
6460 * @ioc: per adapter object
6461 * @element: IR config element data
6462 * Context: user.
6463 *
6464 * Return nothing.
6465 */
6466static void
6467_scsih_sas_pd_hide(struct MPT3SAS_ADAPTER *ioc,
6468 Mpi2EventIrConfigElement_t *element)
6469{
6470 struct _sas_device *sas_device;
6471 struct scsi_target *starget = NULL;
6472 struct MPT3SAS_TARGET *sas_target_priv_data;
6473 unsigned long flags;
6474 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6475 u16 volume_handle = 0;
6476 u64 volume_wwid = 0;
6477
6478 mpt3sas_config_get_volume_handle(ioc, handle, &volume_handle);
6479 if (volume_handle)
6480 mpt3sas_config_get_volume_wwid(ioc, volume_handle,
6481 &volume_wwid);
6482
6483 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 6484 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
f92363d1
SR		 6485 if (sas_device) {
6486 set_bit(handle, ioc->pd_handles);
6487 if (sas_device->starget && sas_device->starget->hostdata) {
6488 starget = sas_device->starget;
6489 sas_target_priv_data = starget->hostdata;
6490 sas_target_priv_data->flags |=
6491 MPT_TARGET_FLAGS_RAID_COMPONENT;
6492 sas_device->volume_handle = volume_handle;
6493 sas_device->volume_wwid = volume_wwid;
6494 }
6495 }
6496 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
6497 if (!sas_device)
6498 return;
6499
6500 /* hiding raid component */
6501 _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum);
c84b06a4 6502
f92363d1
SR		 6503 if (starget)
6504 starget_for_each_device(starget, (void *)1, _scsih_reprobe_lun);
d1cb5e49
SR		 6505
6506 sas_device_put(sas_device);
f92363d1
SR		 6507}
6508
6509/**
6510 * _scsih_sas_pd_delete - delete pd component
6511 * @ioc: per adapter object
6512 * @element: IR config element data
6513 * Context: user.
6514 *
6515 * Return nothing.
6516 */
6517static void
6518_scsih_sas_pd_delete(struct MPT3SAS_ADAPTER *ioc,
6519 Mpi2EventIrConfigElement_t *element)
6520{
6521 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6522
6523 _scsih_device_remove_by_handle(ioc, handle);
6524}
6525
6526/**
6527 * _scsih_sas_pd_add - remove pd component
6528 * @ioc: per adapter object
6529 * @element: IR config element data
6530 * Context: user.
6531 *
6532 * Return nothing.
6533 */
6534static void
6535_scsih_sas_pd_add(struct MPT3SAS_ADAPTER *ioc,
6536 Mpi2EventIrConfigElement_t *element)
6537{
6538 struct _sas_device *sas_device;
f92363d1
SR		 6539 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6540 Mpi2ConfigReply_t mpi_reply;
6541 Mpi2SasDevicePage0_t sas_device_pg0;
6542 u32 ioc_status;
6543 u64 sas_address;
6544 u16 parent_handle;
6545
6546 set_bit(handle, ioc->pd_handles);
6547
d1cb5e49 6548 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
f92363d1
SR		 6549 if (sas_device) {
6550 _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum);
d1cb5e49 6551 sas_device_put(sas_device);
f92363d1
SR		 6552 return;
6553 }
6554
6555 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
6556 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
6557 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
6558 ioc->name, __FILE__, __LINE__, __func__);
6559 return;
6560 }
6561
6562 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
6563 MPI2_IOCSTATUS_MASK;
6564 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6565 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
6566 ioc->name, __FILE__, __LINE__, __func__);
6567 return;
6568 }
6569
6570 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
6571 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
6572 mpt3sas_transport_update_links(ioc, sas_address, handle,
6573 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
6574
6575 _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum);
6576 _scsih_add_device(ioc, handle, 0, 1);
6577}
6578
f92363d1
SR		 6579/**
6580 * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events
6581 * @ioc: per adapter object
6582 * @event_data: event data payload
6583 * Context: user.
6584 *
6585 * Return nothing.
6586 */
6587static void
6588_scsih_sas_ir_config_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
6589 Mpi2EventDataIrConfigChangeList_t *event_data)
6590{
6591 Mpi2EventIrConfigElement_t *element;
6592 u8 element_type;
6593 int i;
6594 char *reason_str = NULL, *element_str = NULL;
6595
6596 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
6597
6598 pr_info(MPT3SAS_FMT "raid config change: (%s), elements(%d)\n",
6599 ioc->name, (le32_to_cpu(event_data->Flags) &
6600 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ?
6601 "foreign" : "native", event_data->NumElements);
6602 for (i = 0; i < event_data->NumElements; i++, element++) {
6603 switch (element->ReasonCode) {
6604 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
6605 reason_str = "add";
6606 break;
6607 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
6608 reason_str = "remove";
6609 break;
6610 case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE:
6611 reason_str = "no change";
6612 break;
6613 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
6614 reason_str = "hide";
6615 break;
6616 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
6617 reason_str = "unhide";
6618 break;
6619 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
6620 reason_str = "volume_created";
6621 break;
6622 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
6623 reason_str = "volume_deleted";
6624 break;
6625 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
6626 reason_str = "pd_created";
6627 break;
6628 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
6629 reason_str = "pd_deleted";
6630 break;
6631 default:
6632 reason_str = "unknown reason";
6633 break;
6634 }
6635 element_type = le16_to_cpu(element->ElementFlags) &
6636 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK;
6637 switch (element_type) {
6638 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT:
6639 element_str = "volume";
6640 break;
6641 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT:
6642 element_str = "phys disk";
6643 break;
6644 case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT:
6645 element_str = "hot spare";
6646 break;
6647 default:
6648 element_str = "unknown element";
6649 break;
6650 }
6651 pr_info("\t(%s:%s), vol handle(0x%04x), " \
6652 "pd handle(0x%04x), pd num(0x%02x)\n", element_str,
6653 reason_str, le16_to_cpu(element->VolDevHandle),
6654 le16_to_cpu(element->PhysDiskDevHandle),
6655 element->PhysDiskNum);
6656 }
6657}
f92363d1
SR		 6658
6659/**
6660 * _scsih_sas_ir_config_change_event - handle ir configuration change events
6661 * @ioc: per adapter object
6662 * @fw_event: The fw_event_work object
6663 * Context: user.
6664 *
6665 * Return nothing.
6666 */
6667static void
6668_scsih_sas_ir_config_change_event(struct MPT3SAS_ADAPTER *ioc,
6669 struct fw_event_work *fw_event)
6670{
6671 Mpi2EventIrConfigElement_t *element;
6672 int i;
6673 u8 foreign_config;
35b62362
JL		 6674 Mpi2EventDataIrConfigChangeList_t *event_data =
6675 (Mpi2EventDataIrConfigChangeList_t *)
6676 fw_event->event_data;
f92363d1 6677
7786ab6a
SR		 6678 if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) &&
6679 (!ioc->hide_ir_msg))
f92363d1
SR		 6680 _scsih_sas_ir_config_change_event_debug(ioc, event_data);
6681
f92363d1
SR		 6682 foreign_config = (le32_to_cpu(event_data->Flags) &
6683 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
6684
6685 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
c84b06a4
SR		 6686 if (ioc->shost_recovery &&
6687 ioc->hba_mpi_version_belonged != MPI2_VERSION) {
f92363d1
SR		 6688 for (i = 0; i < event_data->NumElements; i++, element++) {
6689 if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_HIDE)
6690 _scsih_ir_fastpath(ioc,
6691 le16_to_cpu(element->PhysDiskDevHandle),
6692 element->PhysDiskNum);
6693 }
6694 return;
6695 }
7786ab6a 6696
f92363d1
SR		 6697 for (i = 0; i < event_data->NumElements; i++, element++) {
6698
6699 switch (element->ReasonCode) {
6700 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
6701 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
6702 if (!foreign_config)
6703 _scsih_sas_volume_add(ioc, element);
6704 break;
6705 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
6706 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
6707 if (!foreign_config)
6708 _scsih_sas_volume_delete(ioc,
6709 le16_to_cpu(element->VolDevHandle));
6710 break;
6711 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
7786ab6a
SR		 6712 if (!ioc->is_warpdrive)
6713 _scsih_sas_pd_hide(ioc, element);
f92363d1
SR		 6714 break;
6715 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
7786ab6a
SR		 6716 if (!ioc->is_warpdrive)
6717 _scsih_sas_pd_expose(ioc, element);
f92363d1
SR		 6718 break;
6719 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
7786ab6a
SR		 6720 if (!ioc->is_warpdrive)
6721 _scsih_sas_pd_add(ioc, element);
f92363d1
SR		 6722 break;
6723 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
7786ab6a
SR		 6724 if (!ioc->is_warpdrive)
6725 _scsih_sas_pd_delete(ioc, element);
f92363d1
SR		 6726 break;
6727 }
6728 }
6729}
6730
6731/**
6732 * _scsih_sas_ir_volume_event - IR volume event
6733 * @ioc: per adapter object
6734 * @fw_event: The fw_event_work object
6735 * Context: user.
6736 *
6737 * Return nothing.
6738 */
6739static void
6740_scsih_sas_ir_volume_event(struct MPT3SAS_ADAPTER *ioc,
6741 struct fw_event_work *fw_event)
6742{
6743 u64 wwid;
6744 unsigned long flags;
6745 struct _raid_device *raid_device;
6746 u16 handle;
6747 u32 state;
6748 int rc;
35b62362
JL		 6749 Mpi2EventDataIrVolume_t *event_data =
6750 (Mpi2EventDataIrVolume_t *) fw_event->event_data;
f92363d1
SR		 6751
6752 if (ioc->shost_recovery)
6753 return;
6754
6755 if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
6756 return;
6757
6758 handle = le16_to_cpu(event_data->VolDevHandle);
6759 state = le32_to_cpu(event_data->NewValue);
7786ab6a
SR		 6760 if (!ioc->hide_ir_msg)
6761 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6762 "%s: handle(0x%04x), old(0x%08x), new(0x%08x)\n",
6763 ioc->name, __func__, handle,
6764 le32_to_cpu(event_data->PreviousValue), state));
f92363d1
SR		 6765 switch (state) {
6766 case MPI2_RAID_VOL_STATE_MISSING:
6767 case MPI2_RAID_VOL_STATE_FAILED:
6768 _scsih_sas_volume_delete(ioc, handle);
6769 break;
6770
6771 case MPI2_RAID_VOL_STATE_ONLINE:
6772 case MPI2_RAID_VOL_STATE_DEGRADED:
6773 case MPI2_RAID_VOL_STATE_OPTIMAL:
6774
6775 spin_lock_irqsave(&ioc->raid_device_lock, flags);
c84b06a4 6776 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
f92363d1
SR		 6777 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6778
6779 if (raid_device)
6780 break;
6781
6782 mpt3sas_config_get_volume_wwid(ioc, handle, &wwid);
6783 if (!wwid) {
6784 pr_err(MPT3SAS_FMT
6785 "failure at %s:%d/%s()!\n", ioc->name,
6786 __FILE__, __LINE__, __func__);
6787 break;
6788 }
6789
6790 raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
6791 if (!raid_device) {
6792 pr_err(MPT3SAS_FMT
6793 "failure at %s:%d/%s()!\n", ioc->name,
6794 __FILE__, __LINE__, __func__);
6795 break;
6796 }
6797
6798 raid_device->id = ioc->sas_id++;
6799 raid_device->channel = RAID_CHANNEL;
6800 raid_device->handle = handle;
6801 raid_device->wwid = wwid;
6802 _scsih_raid_device_add(ioc, raid_device);
6803 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
6804 raid_device->id, 0);
6805 if (rc)
6806 _scsih_raid_device_remove(ioc, raid_device);
6807 break;
6808
6809 case MPI2_RAID_VOL_STATE_INITIALIZING:
6810 default:
6811 break;
6812 }
6813}
6814
6815/**
6816 * _scsih_sas_ir_physical_disk_event - PD event
6817 * @ioc: per adapter object
6818 * @fw_event: The fw_event_work object
6819 * Context: user.
6820 *
6821 * Return nothing.
6822 */
6823static void
6824_scsih_sas_ir_physical_disk_event(struct MPT3SAS_ADAPTER *ioc,
6825 struct fw_event_work *fw_event)
6826{
6827 u16 handle, parent_handle;
6828 u32 state;
6829 struct _sas_device *sas_device;
f92363d1
SR		 6830 Mpi2ConfigReply_t mpi_reply;
6831 Mpi2SasDevicePage0_t sas_device_pg0;
6832 u32 ioc_status;
35b62362
JL		 6833 Mpi2EventDataIrPhysicalDisk_t *event_data =
6834 (Mpi2EventDataIrPhysicalDisk_t *) fw_event->event_data;
f92363d1
SR		 6835 u64 sas_address;
6836
6837 if (ioc->shost_recovery)
6838 return;
6839
6840 if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED)
6841 return;
6842
6843 handle = le16_to_cpu(event_data->PhysDiskDevHandle);
6844 state = le32_to_cpu(event_data->NewValue);
6845
7786ab6a
SR		 6846 if (!ioc->hide_ir_msg)
6847 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6848 "%s: handle(0x%04x), old(0x%08x), new(0x%08x)\n",
6849 ioc->name, __func__, handle,
f92363d1 6850 le32_to_cpu(event_data->PreviousValue), state));
7786ab6a 6851
f92363d1
SR		 6852 switch (state) {
6853 case MPI2_RAID_PD_STATE_ONLINE:
6854 case MPI2_RAID_PD_STATE_DEGRADED:
6855 case MPI2_RAID_PD_STATE_REBUILDING:
6856 case MPI2_RAID_PD_STATE_OPTIMAL:
6857 case MPI2_RAID_PD_STATE_HOT_SPARE:
6858
7786ab6a
SR		 6859 if (!ioc->is_warpdrive)
6860 set_bit(handle, ioc->pd_handles);
f92363d1 6861
d1cb5e49
SR		 6862 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
6863 if (sas_device) {
6864 sas_device_put(sas_device);
f92363d1 6865 return;
d1cb5e49 6866 }
f92363d1
SR		 6867
6868 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
6869 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
6870 handle))) {
6871 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
6872 ioc->name, __FILE__, __LINE__, __func__);
6873 return;
6874 }
6875
6876 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
6877 MPI2_IOCSTATUS_MASK;
6878 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6879 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
6880 ioc->name, __FILE__, __LINE__, __func__);
6881 return;
6882 }
6883
6884 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
6885 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
6886 mpt3sas_transport_update_links(ioc, sas_address, handle,
6887 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
6888
6889 _scsih_add_device(ioc, handle, 0, 1);
6890
6891 break;
6892
6893 case MPI2_RAID_PD_STATE_OFFLINE:
6894 case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
6895 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
6896 default:
6897 break;
6898 }
6899}
6900
f92363d1
SR		 6901/**
6902 * _scsih_sas_ir_operation_status_event_debug - debug for IR op event
6903 * @ioc: per adapter object
6904 * @event_data: event data payload
6905 * Context: user.
6906 *
6907 * Return nothing.
6908 */
6909static void
6910_scsih_sas_ir_operation_status_event_debug(struct MPT3SAS_ADAPTER *ioc,
6911 Mpi2EventDataIrOperationStatus_t *event_data)
6912{
6913 char *reason_str = NULL;
6914
6915 switch (event_data->RAIDOperation) {
6916 case MPI2_EVENT_IR_RAIDOP_RESYNC:
6917 reason_str = "resync";
6918 break;
6919 case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION:
6920 reason_str = "online capacity expansion";
6921 break;
6922 case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK:
6923 reason_str = "consistency check";
6924 break;
6925 case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT:
6926 reason_str = "background init";
6927 break;
6928 case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT:
6929 reason_str = "make data consistent";
6930 break;
6931 }
6932
6933 if (!reason_str)
6934 return;
6935
6936 pr_info(MPT3SAS_FMT "raid operational status: (%s)" \
6937 "\thandle(0x%04x), percent complete(%d)\n",
6938 ioc->name, reason_str,
6939 le16_to_cpu(event_data->VolDevHandle),
6940 event_data->PercentComplete);
6941}
f92363d1
SR		 6942
6943/**
6944 * _scsih_sas_ir_operation_status_event - handle RAID operation events
6945 * @ioc: per adapter object
6946 * @fw_event: The fw_event_work object
6947 * Context: user.
6948 *
6949 * Return nothing.
6950 */
6951static void
6952_scsih_sas_ir_operation_status_event(struct MPT3SAS_ADAPTER *ioc,
6953 struct fw_event_work *fw_event)
6954{
35b62362
JL		 6955 Mpi2EventDataIrOperationStatus_t *event_data =
6956 (Mpi2EventDataIrOperationStatus_t *)
6957 fw_event->event_data;
f92363d1
SR		 6958 static struct _raid_device *raid_device;
6959 unsigned long flags;
6960 u16 handle;
6961
7786ab6a
SR		 6962 if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) &&
6963 (!ioc->hide_ir_msg))
f92363d1
SR		 6964 _scsih_sas_ir_operation_status_event_debug(ioc,
6965 event_data);
f92363d1
SR		 6966
6967 /* code added for raid transport support */
6968 if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) {
6969
6970 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6971 handle = le16_to_cpu(event_data->VolDevHandle);
c84b06a4 6972 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
f92363d1
SR		 6973 if (raid_device)
6974 raid_device->percent_complete =
6975 event_data->PercentComplete;
6976 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6977 }
6978}
6979
6980/**
6981 * _scsih_prep_device_scan - initialize parameters prior to device scan
6982 * @ioc: per adapter object
6983 *
6984 * Set the deleted flag prior to device scan. If the device is found during
6985 * the scan, then we clear the deleted flag.
6986 */
6987static void
6988_scsih_prep_device_scan(struct MPT3SAS_ADAPTER *ioc)
6989{
6990 struct MPT3SAS_DEVICE *sas_device_priv_data;
6991 struct scsi_device *sdev;
6992
6993 shost_for_each_device(sdev, ioc->shost) {
6994 sas_device_priv_data = sdev->hostdata;
6995 if (sas_device_priv_data && sas_device_priv_data->sas_target)
6996 sas_device_priv_data->sas_target->deleted = 1;
6997 }
6998}
6999
7000/**
7001 * _scsih_mark_responding_sas_device - mark a sas_devices as responding
7002 * @ioc: per adapter object
e6d45e3e 7003 * @sas_device_pg0: SAS Device page 0
f92363d1
SR		 7004 *
7005 * After host reset, find out whether devices are still responding.
7006 * Used in _scsih_remove_unresponsive_sas_devices.
7007 *
7008 * Return nothing.
7009 */
7010static void
e6d45e3e
SR		 7011_scsih_mark_responding_sas_device(struct MPT3SAS_ADAPTER *ioc,
7012Mpi2SasDevicePage0_t *sas_device_pg0)
f92363d1
SR		 7013{
7014 struct MPT3SAS_TARGET *sas_target_priv_data = NULL;
7015 struct scsi_target *starget;
7016 struct _sas_device *sas_device;
7017 unsigned long flags;
7018
7019 spin_lock_irqsave(&ioc->sas_device_lock, flags);
7020 list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
e6d45e3e
SR		 7021 if ((sas_device->sas_address == sas_device_pg0->SASAddress) &&
7022 (sas_device->slot == sas_device_pg0->Slot)) {
f92363d1
SR		 7023 sas_device->responding = 1;
7024 starget = sas_device->starget;
7025 if (starget && starget->hostdata) {
7026 sas_target_priv_data = starget->hostdata;
7027 sas_target_priv_data->tm_busy = 0;
7028 sas_target_priv_data->deleted = 0;
7029 } else
7030 sas_target_priv_data = NULL;
e6d45e3e 7031 if (starget) {
f92363d1 7032 starget_printk(KERN_INFO, starget,
e6d45e3e
SR		 7033 "handle(0x%04x), sas_addr(0x%016llx)\n",
7034 sas_device_pg0->DevHandle,
f92363d1 7035 (unsigned long long)
e6d45e3e
SR		 7036 sas_device->sas_address);
7037
7038 if (sas_device->enclosure_handle != 0)
7039 starget_printk(KERN_INFO, starget,
7040 "enclosure logical id(0x%016llx),"
7041 " slot(%d)\n",
7042 (unsigned long long)
7043 sas_device->enclosure_logical_id,
7044 sas_device->slot);
7045 }
7046 if (sas_device_pg0->Flags &
7047 MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
7048 sas_device->enclosure_level =
7049 le16_to_cpu(sas_device_pg0->EnclosureLevel);
7050 memcpy(&sas_device->connector_name[0],
7051 &sas_device_pg0->ConnectorName[0], 4);
7052 } else {
7053 sas_device->enclosure_level = 0;
7054 sas_device->connector_name[0] = '\0';
7055 }
7056
7057 if (sas_device->handle == sas_device_pg0->DevHandle)
f92363d1
SR		 7058 goto out;
7059 pr_info("\thandle changed from(0x%04x)!!!\n",
7060 sas_device->handle);
e6d45e3e 7061 sas_device->handle = sas_device_pg0->DevHandle;
f92363d1 7062 if (sas_target_priv_data)
e6d45e3e
SR		 7063 sas_target_priv_data->handle =
7064 sas_device_pg0->DevHandle;
f92363d1
SR		 7065 goto out;
7066 }
7067 }
7068 out:
7069 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
7070}
7071
7072/**
7073 * _scsih_search_responding_sas_devices -
7074 * @ioc: per adapter object
7075 *
7076 * After host reset, find out whether devices are still responding.
7077 * If not remove.
7078 *
7079 * Return nothing.
7080 */
7081static void
7082_scsih_search_responding_sas_devices(struct MPT3SAS_ADAPTER *ioc)
7083{
7084 Mpi2SasDevicePage0_t sas_device_pg0;
7085 Mpi2ConfigReply_t mpi_reply;
7086 u16 ioc_status;
7087 u16 handle;
7088 u32 device_info;
7089
7090 pr_info(MPT3SAS_FMT "search for end-devices: start\n", ioc->name);
7091
7092 if (list_empty(&ioc->sas_device_list))
7093 goto out;
7094
7095 handle = 0xFFFF;
7096 while (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
7097 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
7098 handle))) {
7099 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7100 MPI2_IOCSTATUS_MASK;
14be49ac 7101 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
f92363d1 7102 break;
e6d45e3e
SR		 7103 handle = sas_device_pg0.DevHandle =
7104 le16_to_cpu(sas_device_pg0.DevHandle);
f92363d1
SR		 7105 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
7106 if (!(_scsih_is_end_device(device_info)))
7107 continue;
e6d45e3e
SR		 7108 sas_device_pg0.SASAddress =
7109 le64_to_cpu(sas_device_pg0.SASAddress);
7110 sas_device_pg0.Slot = le16_to_cpu(sas_device_pg0.Slot);
7111 _scsih_mark_responding_sas_device(ioc, &sas_device_pg0);
f92363d1
SR		 7112 }
7113
7114 out:
7115 pr_info(MPT3SAS_FMT "search for end-devices: complete\n",
7116 ioc->name);
7117}
7118
7119/**
7120 * _scsih_mark_responding_raid_device - mark a raid_device as responding
7121 * @ioc: per adapter object
7122 * @wwid: world wide identifier for raid volume
7123 * @handle: device handle
7124 *
7125 * After host reset, find out whether devices are still responding.
7126 * Used in _scsih_remove_unresponsive_raid_devices.
7127 *
7128 * Return nothing.
7129 */
7130static void
7131_scsih_mark_responding_raid_device(struct MPT3SAS_ADAPTER *ioc, u64 wwid,
7132 u16 handle)
7133{
7786ab6a 7134 struct MPT3SAS_TARGET *sas_target_priv_data = NULL;
f92363d1
SR		 7135 struct scsi_target *starget;
7136 struct _raid_device *raid_device;
7137 unsigned long flags;
7138
7139 spin_lock_irqsave(&ioc->raid_device_lock, flags);
7140 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
7141 if (raid_device->wwid == wwid && raid_device->starget) {
7142 starget = raid_device->starget;
7143 if (starget && starget->hostdata) {
7144 sas_target_priv_data = starget->hostdata;
7145 sas_target_priv_data->deleted = 0;
7146 } else
7147 sas_target_priv_data = NULL;
7148 raid_device->responding = 1;
7149 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7150 starget_printk(KERN_INFO, raid_device->starget,
7151 "handle(0x%04x), wwid(0x%016llx)\n", handle,
7152 (unsigned long long)raid_device->wwid);
7786ab6a 7153
7786ab6a
SR		 7154 /*
7155 * WARPDRIVE: The handles of the PDs might have changed
7156 * across the host reset so re-initialize the
7157 * required data for Direct IO
7158 */
c84b06a4 7159 mpt3sas_init_warpdrive_properties(ioc, raid_device);
f92363d1
SR		 7160 spin_lock_irqsave(&ioc->raid_device_lock, flags);
7161 if (raid_device->handle == handle) {
7162 spin_unlock_irqrestore(&ioc->raid_device_lock,
7163 flags);
7164 return;
7165 }
7166 pr_info("\thandle changed from(0x%04x)!!!\n",
7167 raid_device->handle);
7168 raid_device->handle = handle;
7169 if (sas_target_priv_data)
7170 sas_target_priv_data->handle = handle;
7171 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7172 return;
7173 }
7174 }
7175 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7176}
7177
7178/**
7179 * _scsih_search_responding_raid_devices -
7180 * @ioc: per adapter object
7181 *
7182 * After host reset, find out whether devices are still responding.
7183 * If not remove.
7184 *
7185 * Return nothing.
7186 */
7187static void
7188_scsih_search_responding_raid_devices(struct MPT3SAS_ADAPTER *ioc)
7189{
7190 Mpi2RaidVolPage1_t volume_pg1;
7191 Mpi2RaidVolPage0_t volume_pg0;
7192 Mpi2RaidPhysDiskPage0_t pd_pg0;
7193 Mpi2ConfigReply_t mpi_reply;
7194 u16 ioc_status;
7195 u16 handle;
7196 u8 phys_disk_num;
7197
7198 if (!ioc->ir_firmware)
7199 return;
7200
7201 pr_info(MPT3SAS_FMT "search for raid volumes: start\n",
7202 ioc->name);
7203
7204 if (list_empty(&ioc->raid_device_list))
7205 goto out;
7206
7207 handle = 0xFFFF;
7208 while (!(mpt3sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
7209 &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
7210 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7211 MPI2_IOCSTATUS_MASK;
14be49ac 7212 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
f92363d1
SR		 7213 break;
7214 handle = le16_to_cpu(volume_pg1.DevHandle);
7215
7216 if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply,
7217 &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
7218 sizeof(Mpi2RaidVolPage0_t)))
7219 continue;
7220
7221 if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL ||
7222 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE ||
7223 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED)
7224 _scsih_mark_responding_raid_device(ioc,
7225 le64_to_cpu(volume_pg1.WWID), handle);
7226 }
7227
7228 /* refresh the pd_handles */
7786ab6a 7229 if (!ioc->is_warpdrive) {
f92363d1
SR		 7230 phys_disk_num = 0xFF;
7231 memset(ioc->pd_handles, 0, ioc->pd_handles_sz);
7232 while (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
7233 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM,
7234 phys_disk_num))) {
7235 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7236 MPI2_IOCSTATUS_MASK;
14be49ac 7237 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
f92363d1
SR		 7238 break;
7239 phys_disk_num = pd_pg0.PhysDiskNum;
7240 handle = le16_to_cpu(pd_pg0.DevHandle);
7241 set_bit(handle, ioc->pd_handles);
7242 }
7786ab6a 7243 }
f92363d1
SR		 7244 out:
7245 pr_info(MPT3SAS_FMT "search for responding raid volumes: complete\n",
7246 ioc->name);
7247}
7248
7249/**
7250 * _scsih_mark_responding_expander - mark a expander as responding
7251 * @ioc: per adapter object
7252 * @sas_address: sas address
7253 * @handle:
7254 *
7255 * After host reset, find out whether devices are still responding.
7256 * Used in _scsih_remove_unresponsive_expanders.
7257 *
7258 * Return nothing.
7259 */
7260static void
7261_scsih_mark_responding_expander(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
7262 u16 handle)
7263{
7264 struct _sas_node *sas_expander;
7265 unsigned long flags;
7266 int i;
7267
7268 spin_lock_irqsave(&ioc->sas_node_lock, flags);
7269 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
7270 if (sas_expander->sas_address != sas_address)
7271 continue;
7272 sas_expander->responding = 1;
7273 if (sas_expander->handle == handle)
7274 goto out;
7275 pr_info("\texpander(0x%016llx): handle changed" \
7276 " from(0x%04x) to (0x%04x)!!!\n",
7277 (unsigned long long)sas_expander->sas_address,
7278 sas_expander->handle, handle);
7279 sas_expander->handle = handle;
7280 for (i = 0 ; i < sas_expander->num_phys ; i++)
7281 sas_expander->phy[i].handle = handle;
7282 goto out;
7283 }
7284 out:
7285 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
7286}
7287
7288/**
7289 * _scsih_search_responding_expanders -
7290 * @ioc: per adapter object
7291 *
7292 * After host reset, find out whether devices are still responding.
7293 * If not remove.
7294 *
7295 * Return nothing.
7296 */
7297static void
7298_scsih_search_responding_expanders(struct MPT3SAS_ADAPTER *ioc)
7299{
7300 Mpi2ExpanderPage0_t expander_pg0;
7301 Mpi2ConfigReply_t mpi_reply;
7302 u16 ioc_status;
7303 u64 sas_address;
7304 u16 handle;
7305
7306 pr_info(MPT3SAS_FMT "search for expanders: start\n", ioc->name);
7307
7308 if (list_empty(&ioc->sas_expander_list))
7309 goto out;
7310
7311 handle = 0xFFFF;
7312 while (!(mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
7313 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) {
7314
7315 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7316 MPI2_IOCSTATUS_MASK;
14be49ac 7317 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
f92363d1
SR		 7318 break;
7319
7320 handle = le16_to_cpu(expander_pg0.DevHandle);
7321 sas_address = le64_to_cpu(expander_pg0.SASAddress);
7322 pr_info("\texpander present: handle(0x%04x), sas_addr(0x%016llx)\n",
7323 handle,
7324 (unsigned long long)sas_address);
7325 _scsih_mark_responding_expander(ioc, sas_address, handle);
7326 }
7327
7328 out:
7329 pr_info(MPT3SAS_FMT "search for expanders: complete\n", ioc->name);
7330}
7331
7332/**
7333 * _scsih_remove_unresponding_sas_devices - removing unresponding devices
7334 * @ioc: per adapter object
7335 *
7336 * Return nothing.
7337 */
7338static void
7339_scsih_remove_unresponding_sas_devices(struct MPT3SAS_ADAPTER *ioc)
7340{
7341 struct _sas_device *sas_device, *sas_device_next;
7342 struct _sas_node *sas_expander, *sas_expander_next;
7343 struct _raid_device *raid_device, *raid_device_next;
7344 struct list_head tmp_list;
7345 unsigned long flags;
d1cb5e49 7346 LIST_HEAD(head);
f92363d1
SR		 7347
7348 pr_info(MPT3SAS_FMT "removing unresponding devices: start\n",
7349 ioc->name);
7350
7351 /* removing unresponding end devices */
7352 pr_info(MPT3SAS_FMT "removing unresponding devices: end-devices\n",
7353 ioc->name);
d1cb5e49
SR		 7354 /*
7355 * Iterate, pulling off devices marked as non-responding. We become the
7356 * owner for the reference the list had on any object we prune.
7357 */
7358 spin_lock_irqsave(&ioc->sas_device_lock, flags);
f92363d1
SR		 7359 list_for_each_entry_safe(sas_device, sas_device_next,
7360 &ioc->sas_device_list, list) {
7361 if (!sas_device->responding)
d1cb5e49 7362 list_move_tail(&sas_device->list, &head);
f92363d1
SR		 7363 else
7364 sas_device->responding = 0;
7365 }
d1cb5e49
SR		 7366 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
7367
7368 /*
7369 * Now, uninitialize and remove the unresponding devices we pruned.
7370 */
7371 list_for_each_entry_safe(sas_device, sas_device_next, &head, list) {
7372 _scsih_remove_device(ioc, sas_device);
7373 list_del_init(&sas_device->list);
7374 sas_device_put(sas_device);
7375 }
f92363d1
SR		 7376
7377 /* removing unresponding volumes */
7378 if (ioc->ir_firmware) {
7379 pr_info(MPT3SAS_FMT "removing unresponding devices: volumes\n",
7380 ioc->name);
7381 list_for_each_entry_safe(raid_device, raid_device_next,
7382 &ioc->raid_device_list, list) {
7383 if (!raid_device->responding)
7384 _scsih_sas_volume_delete(ioc,
7385 raid_device->handle);
7386 else
7387 raid_device->responding = 0;
7388 }
7389 }
7390
7391 /* removing unresponding expanders */
7392 pr_info(MPT3SAS_FMT "removing unresponding devices: expanders\n",
7393 ioc->name);
7394 spin_lock_irqsave(&ioc->sas_node_lock, flags);
7395 INIT_LIST_HEAD(&tmp_list);
7396 list_for_each_entry_safe(sas_expander, sas_expander_next,
7397 &ioc->sas_expander_list, list) {
7398 if (!sas_expander->responding)
7399 list_move_tail(&sas_expander->list, &tmp_list);
7400 else
7401 sas_expander->responding = 0;
7402 }
7403 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
7404 list_for_each_entry_safe(sas_expander, sas_expander_next, &tmp_list,
7405 list) {
7406 list_del(&sas_expander->list);
7407 _scsih_expander_node_remove(ioc, sas_expander);
7408 }
7409
7410 pr_info(MPT3SAS_FMT "removing unresponding devices: complete\n",
7411 ioc->name);
7412
7413 /* unblock devices */
7414 _scsih_ublock_io_all_device(ioc);
7415}
7416
7417static void
7418_scsih_refresh_expander_links(struct MPT3SAS_ADAPTER *ioc,
7419 struct _sas_node *sas_expander, u16 handle)
7420{
7421 Mpi2ExpanderPage1_t expander_pg1;
7422 Mpi2ConfigReply_t mpi_reply;
7423 int i;
7424
7425 for (i = 0 ; i < sas_expander->num_phys ; i++) {
7426 if ((mpt3sas_config_get_expander_pg1(ioc, &mpi_reply,
7427 &expander_pg1, i, handle))) {
7428 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
7429 ioc->name, __FILE__, __LINE__, __func__);
7430 return;
7431 }
7432
7433 mpt3sas_transport_update_links(ioc, sas_expander->sas_address,
7434 le16_to_cpu(expander_pg1.AttachedDevHandle), i,
7435 expander_pg1.NegotiatedLinkRate >> 4);
7436 }
7437}
7438
7439/**
7440 * _scsih_scan_for_devices_after_reset - scan for devices after host reset
7441 * @ioc: per adapter object
7442 *
7443 * Return nothing.
7444 */
7445static void
7446_scsih_scan_for_devices_after_reset(struct MPT3SAS_ADAPTER *ioc)
7447{
7448 Mpi2ExpanderPage0_t expander_pg0;
7449 Mpi2SasDevicePage0_t sas_device_pg0;
7450 Mpi2RaidVolPage1_t volume_pg1;
7451 Mpi2RaidVolPage0_t volume_pg0;
7452 Mpi2RaidPhysDiskPage0_t pd_pg0;
7453 Mpi2EventIrConfigElement_t element;
7454 Mpi2ConfigReply_t mpi_reply;
7455 u8 phys_disk_num;
7456 u16 ioc_status;
7457 u16 handle, parent_handle;
7458 u64 sas_address;
7459 struct _sas_device *sas_device;
7460 struct _sas_node *expander_device;
7461 static struct _raid_device *raid_device;
7462 u8 retry_count;
7463 unsigned long flags;
7464
7465 pr_info(MPT3SAS_FMT "scan devices: start\n", ioc->name);
7466
7467 _scsih_sas_host_refresh(ioc);
7468
7469 pr_info(MPT3SAS_FMT "\tscan devices: expanders start\n", ioc->name);
7470
7471 /* expanders */
7472 handle = 0xFFFF;
7473 while (!(mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
7474 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) {
7475 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7476 MPI2_IOCSTATUS_MASK;
f92363d1
SR		 7477 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7478 pr_info(MPT3SAS_FMT "\tbreak from expander scan: " \
7479 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7480 ioc->name, ioc_status,
7481 le32_to_cpu(mpi_reply.IOCLogInfo));
7482 break;
7483 }
7484 handle = le16_to_cpu(expander_pg0.DevHandle);
7485 spin_lock_irqsave(&ioc->sas_node_lock, flags);
7486 expander_device = mpt3sas_scsih_expander_find_by_sas_address(
7487 ioc, le64_to_cpu(expander_pg0.SASAddress));
7488 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
7489 if (expander_device)
7490 _scsih_refresh_expander_links(ioc, expander_device,
7491 handle);
7492 else {
7493 pr_info(MPT3SAS_FMT "\tBEFORE adding expander: " \
7494 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name,
7495 handle, (unsigned long long)
7496 le64_to_cpu(expander_pg0.SASAddress));
7497 _scsih_expander_add(ioc, handle);
7498 pr_info(MPT3SAS_FMT "\tAFTER adding expander: " \
7499 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name,
7500 handle, (unsigned long long)
7501 le64_to_cpu(expander_pg0.SASAddress));
7502 }
7503 }
7504
7505 pr_info(MPT3SAS_FMT "\tscan devices: expanders complete\n",
7506 ioc->name);
7507
7508 if (!ioc->ir_firmware)
7509 goto skip_to_sas;
7510
7511 pr_info(MPT3SAS_FMT "\tscan devices: phys disk start\n", ioc->name);
7512
7513 /* phys disk */
7514 phys_disk_num = 0xFF;
7515 while (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
7516 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM,
7517 phys_disk_num))) {
7518 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7519 MPI2_IOCSTATUS_MASK;
f92363d1
SR		 7520 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7521 pr_info(MPT3SAS_FMT "\tbreak from phys disk scan: "\
7522 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7523 ioc->name, ioc_status,
7524 le32_to_cpu(mpi_reply.IOCLogInfo));
7525 break;
7526 }
7527 phys_disk_num = pd_pg0.PhysDiskNum;
7528 handle = le16_to_cpu(pd_pg0.DevHandle);
d1cb5e49
SR		 7529 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
7530 if (sas_device) {
7531 sas_device_put(sas_device);
f92363d1 7532 continue;
d1cb5e49 7533 }
f92363d1
SR		 7534 if (mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
7535 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
7536 handle) != 0)
7537 continue;
7538 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7539 MPI2_IOCSTATUS_MASK;
7540 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7541 pr_info(MPT3SAS_FMT "\tbreak from phys disk scan " \
7542 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7543 ioc->name, ioc_status,
7544 le32_to_cpu(mpi_reply.IOCLogInfo));
7545 break;
7546 }
7547 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
7548 if (!_scsih_get_sas_address(ioc, parent_handle,
7549 &sas_address)) {
7550 pr_info(MPT3SAS_FMT "\tBEFORE adding phys disk: " \
7551 " handle (0x%04x), sas_addr(0x%016llx)\n",
7552 ioc->name, handle, (unsigned long long)
7553 le64_to_cpu(sas_device_pg0.SASAddress));
7554 mpt3sas_transport_update_links(ioc, sas_address,
7555 handle, sas_device_pg0.PhyNum,
7556 MPI2_SAS_NEG_LINK_RATE_1_5);
7557 set_bit(handle, ioc->pd_handles);
7558 retry_count = 0;
7559 /* This will retry adding the end device.
7560 * _scsih_add_device() will decide on retries and
7561 * return "1" when it should be retried
7562 */
7563 while (_scsih_add_device(ioc, handle, retry_count++,
7564 1)) {
7565 ssleep(1);
7566 }
7567 pr_info(MPT3SAS_FMT "\tAFTER adding phys disk: " \
7568 " handle (0x%04x), sas_addr(0x%016llx)\n",
7569 ioc->name, handle, (unsigned long long)
7570 le64_to_cpu(sas_device_pg0.SASAddress));
7571 }
7572 }
7573
7574 pr_info(MPT3SAS_FMT "\tscan devices: phys disk complete\n",
7575 ioc->name);
7576
7577 pr_info(MPT3SAS_FMT "\tscan devices: volumes start\n", ioc->name);
7578
7579 /* volumes */
7580 handle = 0xFFFF;
7581 while (!(mpt3sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
7582 &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
7583 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7584 MPI2_IOCSTATUS_MASK;
f92363d1
SR		 7585 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7586 pr_info(MPT3SAS_FMT "\tbreak from volume scan: " \
7587 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7588 ioc->name, ioc_status,
7589 le32_to_cpu(mpi_reply.IOCLogInfo));
7590 break;
7591 }
7592 handle = le16_to_cpu(volume_pg1.DevHandle);
7593 spin_lock_irqsave(&ioc->raid_device_lock, flags);
7594 raid_device = _scsih_raid_device_find_by_wwid(ioc,
7595 le64_to_cpu(volume_pg1.WWID));
7596 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7597 if (raid_device)
7598 continue;
7599 if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply,
7600 &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
7601 sizeof(Mpi2RaidVolPage0_t)))
7602 continue;
7603 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7604 MPI2_IOCSTATUS_MASK;
7605 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7606 pr_info(MPT3SAS_FMT "\tbreak from volume scan: " \
7607 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7608 ioc->name, ioc_status,
7609 le32_to_cpu(mpi_reply.IOCLogInfo));
7610 break;
7611 }
7612 if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL ||
7613 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE ||
7614 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED) {
7615 memset(&element, 0, sizeof(Mpi2EventIrConfigElement_t));
7616 element.ReasonCode = MPI2_EVENT_IR_CHANGE_RC_ADDED;
7617 element.VolDevHandle = volume_pg1.DevHandle;
7618 pr_info(MPT3SAS_FMT
7619 "\tBEFORE adding volume: handle (0x%04x)\n",
7620 ioc->name, volume_pg1.DevHandle);
7621 _scsih_sas_volume_add(ioc, &element);
7622 pr_info(MPT3SAS_FMT
7623 "\tAFTER adding volume: handle (0x%04x)\n",
7624 ioc->name, volume_pg1.DevHandle);
7625 }
7626 }
7627
7628 pr_info(MPT3SAS_FMT "\tscan devices: volumes complete\n",
7629 ioc->name);
7630
7631 skip_to_sas:
7632
7633 pr_info(MPT3SAS_FMT "\tscan devices: end devices start\n",
7634 ioc->name);
7635
7636 /* sas devices */
7637 handle = 0xFFFF;
7638 while (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
7639 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
7640 handle))) {
7641 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7642 MPI2_IOCSTATUS_MASK;
f92363d1
SR		 7643 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7644 pr_info(MPT3SAS_FMT "\tbreak from end device scan:"\
7645 " ioc_status(0x%04x), loginfo(0x%08x)\n",
7646 ioc->name, ioc_status,
7647 le32_to_cpu(mpi_reply.IOCLogInfo));
7648 break;
7649 }
7650 handle = le16_to_cpu(sas_device_pg0.DevHandle);
7651 if (!(_scsih_is_end_device(
7652 le32_to_cpu(sas_device_pg0.DeviceInfo))))
7653 continue;
d1cb5e49 7654 sas_device = mpt3sas_get_sdev_by_addr(ioc,
f92363d1 7655 le64_to_cpu(sas_device_pg0.SASAddress));
d1cb5e49
SR		 7656 if (sas_device) {
7657 sas_device_put(sas_device);
f92363d1 7658 continue;
d1cb5e49 7659 }
f92363d1
SR		 7660 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
7661 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) {
7662 pr_info(MPT3SAS_FMT "\tBEFORE adding end device: " \
7663 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name,
7664 handle, (unsigned long long)
7665 le64_to_cpu(sas_device_pg0.SASAddress));
7666 mpt3sas_transport_update_links(ioc, sas_address, handle,
7667 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
7668 retry_count = 0;
7669 /* This will retry adding the end device.
7670 * _scsih_add_device() will decide on retries and
7671 * return "1" when it should be retried
7672 */
7673 while (_scsih_add_device(ioc, handle, retry_count++,
7674 0)) {
7675 ssleep(1);
7676 }
7677 pr_info(MPT3SAS_FMT "\tAFTER adding end device: " \
7678 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name,
7679 handle, (unsigned long long)
7680 le64_to_cpu(sas_device_pg0.SASAddress));
7681 }
7682 }
7683 pr_info(MPT3SAS_FMT "\tscan devices: end devices complete\n",
7684 ioc->name);
7685
7686 pr_info(MPT3SAS_FMT "scan devices: complete\n", ioc->name);
7687}
7688/**
7689 * mpt3sas_scsih_reset_handler - reset callback handler (for scsih)
7690 * @ioc: per adapter object
7691 * @reset_phase: phase
7692 *
7693 * The handler for doing any required cleanup or initialization.
7694 *
7695 * The reset phase can be MPT3_IOC_PRE_RESET, MPT3_IOC_AFTER_RESET,
7696 * MPT3_IOC_DONE_RESET
7697 *
7698 * Return nothing.
7699 */
7700void
7701mpt3sas_scsih_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase)
7702{
7703 switch (reset_phase) {
7704 case MPT3_IOC_PRE_RESET:
7705 dtmprintk(ioc, pr_info(MPT3SAS_FMT
7706 "%s: MPT3_IOC_PRE_RESET\n", ioc->name, __func__));
7707 break;
7708 case MPT3_IOC_AFTER_RESET:
7709 dtmprintk(ioc, pr_info(MPT3SAS_FMT
7710 "%s: MPT3_IOC_AFTER_RESET\n", ioc->name, __func__));
7711 if (ioc->scsih_cmds.status & MPT3_CMD_PENDING) {
7712 ioc->scsih_cmds.status |= MPT3_CMD_RESET;
7713 mpt3sas_base_free_smid(ioc, ioc->scsih_cmds.smid);
7714 complete(&ioc->scsih_cmds.done);
7715 }
7716 if (ioc->tm_cmds.status & MPT3_CMD_PENDING) {
7717 ioc->tm_cmds.status |= MPT3_CMD_RESET;
7718 mpt3sas_base_free_smid(ioc, ioc->tm_cmds.smid);
7719 complete(&ioc->tm_cmds.done);
7720 }
7721
7722 _scsih_fw_event_cleanup_queue(ioc);
7723 _scsih_flush_running_cmds(ioc);
7724 break;
7725 case MPT3_IOC_DONE_RESET:
7726 dtmprintk(ioc, pr_info(MPT3SAS_FMT
7727 "%s: MPT3_IOC_DONE_RESET\n", ioc->name, __func__));
7728 if ((!ioc->is_driver_loading) && !(disable_discovery > 0 &&
7729 !ioc->sas_hba.num_phys)) {
7730 _scsih_prep_device_scan(ioc);
7731 _scsih_search_responding_sas_devices(ioc);
7732 _scsih_search_responding_raid_devices(ioc);
7733 _scsih_search_responding_expanders(ioc);
7734 _scsih_error_recovery_delete_devices(ioc);
7735 }
7736 break;
7737 }
7738}
7739
7740/**
7741 * _mpt3sas_fw_work - delayed task for processing firmware events
7742 * @ioc: per adapter object
7743 * @fw_event: The fw_event_work object
7744 * Context: user.
7745 *
7746 * Return nothing.
7747 */
7748static void
7749_mpt3sas_fw_work(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
7750{
146b16c8
SR		 7751 _scsih_fw_event_del_from_list(ioc, fw_event);
7752
f92363d1 7753 /* the queue is being flushed so ignore this event */
146b16c8
SR		 7754 if (ioc->remove_host || ioc->pci_error_recovery) {
7755 fw_event_work_put(fw_event);
f92363d1
SR		 7756 return;
7757 }
7758
7759 switch (fw_event->event) {
7760 case MPT3SAS_PROCESS_TRIGGER_DIAG:
35b62362
JL		 7761 mpt3sas_process_trigger_data(ioc,
7762 (struct SL_WH_TRIGGERS_EVENT_DATA_T *)
7763 fw_event->event_data);
f92363d1
SR		 7764 break;
7765 case MPT3SAS_REMOVE_UNRESPONDING_DEVICES:
146b16c8
SR		 7766 while (scsi_host_in_recovery(ioc->shost) ||
7767 ioc->shost_recovery) {
7768 /*
7769 * If we're unloading, bail. Otherwise, this can become
7770 * an infinite loop.
7771 */
7772 if (ioc->remove_host)
7773 goto out;
f92363d1 7774 ssleep(1);
146b16c8 7775 }
f92363d1
SR		 7776 _scsih_remove_unresponding_sas_devices(ioc);
7777 _scsih_scan_for_devices_after_reset(ioc);
7778 break;
7779 case MPT3SAS_PORT_ENABLE_COMPLETE:
7780 ioc->start_scan = 0;
7781 if (missing_delay[0] != -1 && missing_delay[1] != -1)
7782 mpt3sas_base_update_missing_delay(ioc, missing_delay[0],
7783 missing_delay[1]);
7784 dewtprintk(ioc, pr_info(MPT3SAS_FMT
7785 "port enable: complete from worker thread\n",
7786 ioc->name));
7787 break;
0f624c39
SR		 7788 case MPT3SAS_TURN_ON_PFA_LED:
7789 _scsih_turn_on_pfa_led(ioc, fw_event->device_handle);
f92363d1
SR		 7790 break;
7791 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
7792 _scsih_sas_topology_change_event(ioc, fw_event);
7793 break;
7794 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
7795 _scsih_sas_device_status_change_event(ioc, fw_event);
7796 break;
7797 case MPI2_EVENT_SAS_DISCOVERY:
7798 _scsih_sas_discovery_event(ioc, fw_event);
7799 break;
7800 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
7801 _scsih_sas_broadcast_primitive_event(ioc, fw_event);
7802 break;
7803 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
7804 _scsih_sas_enclosure_dev_status_change_event(ioc,
7805 fw_event);
7806 break;
7807 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
7808 _scsih_sas_ir_config_change_event(ioc, fw_event);
7809 break;
7810 case MPI2_EVENT_IR_VOLUME:
7811 _scsih_sas_ir_volume_event(ioc, fw_event);
7812 break;
7813 case MPI2_EVENT_IR_PHYSICAL_DISK:
7814 _scsih_sas_ir_physical_disk_event(ioc, fw_event);
7815 break;
7816 case MPI2_EVENT_IR_OPERATION_STATUS:
7817 _scsih_sas_ir_operation_status_event(ioc, fw_event);
7818 break;
7819 }
146b16c8
SR		 7820out:
7821 fw_event_work_put(fw_event);
f92363d1
SR		 7822}
7823
7824/**
7825 * _firmware_event_work
7826 * @ioc: per adapter object
7827 * @work: The fw_event_work object
7828 * Context: user.
7829 *
7830 * wrappers for the work thread handling firmware events
7831 *
7832 * Return nothing.
7833 */
7834
7835static void
7836_firmware_event_work(struct work_struct *work)
7837{
7838 struct fw_event_work *fw_event = container_of(work,
7839 struct fw_event_work, work);
7840
7841 _mpt3sas_fw_work(fw_event->ioc, fw_event);
7842}
7843
7844/**
7845 * mpt3sas_scsih_event_callback - firmware event handler (called at ISR time)
7846 * @ioc: per adapter object
7847 * @msix_index: MSIX table index supplied by the OS
7848 * @reply: reply message frame(lower 32bit addr)
7849 * Context: interrupt.
7850 *
7851 * This function merely adds a new work task into ioc->firmware_event_thread.
7852 * The tasks are worked from _firmware_event_work in user context.
7853 *
7854 * Return 1 meaning mf should be freed from _base_interrupt
7855 * 0 means the mf is freed from this function.
7856 */
7857u8
7858mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index,
7859 u32 reply)
7860{
7861 struct fw_event_work *fw_event;
7862 Mpi2EventNotificationReply_t *mpi_reply;
7863 u16 event;
7864 u16 sz;
a470a51c 7865 Mpi26EventDataActiveCableExcept_t *ActiveCableEventData;
f92363d1
SR		 7866
7867 /* events turned off due to host reset or driver unloading */
7868 if (ioc->remove_host || ioc->pci_error_recovery)
7869 return 1;
7870
7871 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
7872
7873 if (unlikely(!mpi_reply)) {
7874 pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n",
7875 ioc->name, __FILE__, __LINE__, __func__);
7876 return 1;
7877 }
7878
7879 event = le16_to_cpu(mpi_reply->Event);
7880
7881 if (event != MPI2_EVENT_LOG_ENTRY_ADDED)
7882 mpt3sas_trigger_event(ioc, event, 0);
7883
7884 switch (event) {
7885 /* handle these */
7886 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
7887 {
7888 Mpi2EventDataSasBroadcastPrimitive_t *baen_data =
7889 (Mpi2EventDataSasBroadcastPrimitive_t *)
7890 mpi_reply->EventData;
7891
7892 if (baen_data->Primitive !=
7893 MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT)
7894 return 1;
7895
7896 if (ioc->broadcast_aen_busy) {
7897 ioc->broadcast_aen_pending++;
7898 return 1;
7899 } else
7900 ioc->broadcast_aen_busy = 1;
7901 break;
7902 }
7903
7904 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
7905 _scsih_check_topo_delete_events(ioc,
7906 (Mpi2EventDataSasTopologyChangeList_t *)
7907 mpi_reply->EventData);
7908 break;
7909 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
7910 _scsih_check_ir_config_unhide_events(ioc,
7911 (Mpi2EventDataIrConfigChangeList_t *)
7912 mpi_reply->EventData);
7913 break;
7914 case MPI2_EVENT_IR_VOLUME:
7915 _scsih_check_volume_delete_events(ioc,
7916 (Mpi2EventDataIrVolume_t *)
7917 mpi_reply->EventData);
7918 break;
7786ab6a
SR		 7919 case MPI2_EVENT_LOG_ENTRY_ADDED:
7920 {
7921 Mpi2EventDataLogEntryAdded_t *log_entry;
7922 u32 *log_code;
7923
7924 if (!ioc->is_warpdrive)
7925 break;
7926
7927 log_entry = (Mpi2EventDataLogEntryAdded_t *)
7928 mpi_reply->EventData;
7929 log_code = (u32 *)log_entry->LogData;
f92363d1 7930
7786ab6a
SR		 7931 if (le16_to_cpu(log_entry->LogEntryQualifier)
7932 != MPT2_WARPDRIVE_LOGENTRY)
7933 break;
7934
7935 switch (le32_to_cpu(*log_code)) {
7936 case MPT2_WARPDRIVE_LC_SSDT:
7937 pr_warn(MPT3SAS_FMT "WarpDrive Warning: "
7938 "IO Throttling has occurred in the WarpDrive "
7939 "subsystem. Check WarpDrive documentation for "
7940 "additional details.\n", ioc->name);
7941 break;
7942 case MPT2_WARPDRIVE_LC_SSDLW:
7943 pr_warn(MPT3SAS_FMT "WarpDrive Warning: "
7944 "Program/Erase Cycles for the WarpDrive subsystem "
7945 "in degraded range. Check WarpDrive documentation "
7946 "for additional details.\n", ioc->name);
7947 break;
7948 case MPT2_WARPDRIVE_LC_SSDLF:
7949 pr_err(MPT3SAS_FMT "WarpDrive Fatal Error: "
7950 "There are no Program/Erase Cycles for the "
7951 "WarpDrive subsystem. The storage device will be "
7952 "in read-only mode. Check WarpDrive documentation "
7953 "for additional details.\n", ioc->name);
7954 break;
7955 case MPT2_WARPDRIVE_LC_BRMF:
7956 pr_err(MPT3SAS_FMT "WarpDrive Fatal Error: "
7957 "The Backup Rail Monitor has failed on the "
7958 "WarpDrive subsystem. Check WarpDrive "
7959 "documentation for additional details.\n",
7960 ioc->name);
7961 break;
7962 }
7963
7964 break;
7965 }
f92363d1
SR		 7966 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
7967 case MPI2_EVENT_IR_OPERATION_STATUS:
7968 case MPI2_EVENT_SAS_DISCOVERY:
7969 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
7970 case MPI2_EVENT_IR_PHYSICAL_DISK:
7971 break;
7972
2d8ce8c9
SR		 7973 case MPI2_EVENT_TEMP_THRESHOLD:
7974 _scsih_temp_threshold_events(ioc,
7975 (Mpi2EventDataTemperature_t *)
7976 mpi_reply->EventData);
7977 break;
a470a51c
C		 7978 case MPI2_EVENT_ACTIVE_CABLE_EXCEPTION:
7979 ActiveCableEventData =
7980 (Mpi26EventDataActiveCableExcept_t *) mpi_reply->EventData;
7981 if (ActiveCableEventData->ReasonCode ==
7ebd67e0 7982 MPI26_EVENT_ACTIVE_CABLE_INSUFFICIENT_POWER) {
a470a51c
C		 7983 pr_info(MPT3SAS_FMT "Currently an active cable with ReceptacleID %d",
7984 ioc->name, ActiveCableEventData->ReceptacleID);
7985 pr_info("cannot be powered and devices connected to this active cable");
7986 pr_info("will not be seen. This active cable");
7987 pr_info("requires %d mW of power",
7988 ActiveCableEventData->ActiveCablePowerRequirement);
7ebd67e0 7989 }
a470a51c 7990 break;
2d8ce8c9 7991
f92363d1
SR		 7992 default: /* ignore the rest */
7993 return 1;
7994 }
7995
f92363d1 7996 sz = le16_to_cpu(mpi_reply->EventDataLength) * 4;
146b16c8 7997 fw_event = alloc_fw_event_work(sz);
35b62362 7998 if (!fw_event) {
f92363d1
SR		 7999 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
8000 ioc->name, __FILE__, __LINE__, __func__);
f92363d1
SR		 8001 return 1;
8002 }
8003
8004 memcpy(fw_event->event_data, mpi_reply->EventData, sz);
8005 fw_event->ioc = ioc;
8006 fw_event->VF_ID = mpi_reply->VF_ID;
8007 fw_event->VP_ID = mpi_reply->VP_ID;
8008 fw_event->event = event;
8009 _scsih_fw_event_add(ioc, fw_event);
146b16c8 8010 fw_event_work_put(fw_event);
f92363d1
SR		 8011 return 1;
8012}
8013
f92363d1
SR		 8014/**
8015 * _scsih_expander_node_remove - removing expander device from list.
8016 * @ioc: per adapter object
8017 * @sas_expander: the sas_device object
8018 * Context: Calling function should acquire ioc->sas_node_lock.
8019 *
8020 * Removing object and freeing associated memory from the
8021 * ioc->sas_expander_list.
8022 *
8023 * Return nothing.
8024 */
8025static void
8026_scsih_expander_node_remove(struct MPT3SAS_ADAPTER *ioc,
8027 struct _sas_node *sas_expander)
8028{
8029 struct _sas_port *mpt3sas_port, *next;
8030
8031 /* remove sibling ports attached to this expander */
8032 list_for_each_entry_safe(mpt3sas_port, next,
8033 &sas_expander->sas_port_list, port_list) {
8034 if (ioc->shost_recovery)
8035 return;
8036 if (mpt3sas_port->remote_identify.device_type ==
8037 SAS_END_DEVICE)
8038 mpt3sas_device_remove_by_sas_address(ioc,
8039 mpt3sas_port->remote_identify.sas_address);
8040 else if (mpt3sas_port->remote_identify.device_type ==
8041 SAS_EDGE_EXPANDER_DEVICE ||
8042 mpt3sas_port->remote_identify.device_type ==
8043 SAS_FANOUT_EXPANDER_DEVICE)
8044 mpt3sas_expander_remove(ioc,
8045 mpt3sas_port->remote_identify.sas_address);
8046 }
8047
8048 mpt3sas_transport_port_remove(ioc, sas_expander->sas_address,
8049 sas_expander->sas_address_parent);
8050
8051 pr_info(MPT3SAS_FMT
8052 "expander_remove: handle(0x%04x), sas_addr(0x%016llx)\n",
8053 ioc->name,
8054 sas_expander->handle, (unsigned long long)
8055 sas_expander->sas_address);
8056
8057 kfree(sas_expander->phy);
8058 kfree(sas_expander);
8059}
8060
8061/**
8062 * _scsih_ir_shutdown - IR shutdown notification
8063 * @ioc: per adapter object
8064 *
8065 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
8066 * the host system is shutting down.
8067 *
8068 * Return nothing.
8069 */
8070static void
8071_scsih_ir_shutdown(struct MPT3SAS_ADAPTER *ioc)
8072{
8073 Mpi2RaidActionRequest_t *mpi_request;
8074 Mpi2RaidActionReply_t *mpi_reply;
8075 u16 smid;
8076
8077 /* is IR firmware build loaded ? */
8078 if (!ioc->ir_firmware)
8079 return;
8080
8081 /* are there any volumes ? */
8082 if (list_empty(&ioc->raid_device_list))
8083 return;
8084
8085 mutex_lock(&ioc->scsih_cmds.mutex);
8086
8087 if (ioc->scsih_cmds.status != MPT3_CMD_NOT_USED) {
8088 pr_err(MPT3SAS_FMT "%s: scsih_cmd in use\n",
8089 ioc->name, __func__);
8090 goto out;
8091 }
8092 ioc->scsih_cmds.status = MPT3_CMD_PENDING;
8093
8094 smid = mpt3sas_base_get_smid(ioc, ioc->scsih_cb_idx);
8095 if (!smid) {
8096 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
8097 ioc->name, __func__);
8098 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
8099 goto out;
8100 }
8101
8102 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
8103 ioc->scsih_cmds.smid = smid;
8104 memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t));
8105
8106 mpi_request->Function = MPI2_FUNCTION_RAID_ACTION;
8107 mpi_request->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
8108
7786ab6a
SR		 8109 if (!ioc->hide_ir_msg)
8110 pr_info(MPT3SAS_FMT "IR shutdown (sending)\n", ioc->name);
f92363d1
SR		 8111 init_completion(&ioc->scsih_cmds.done);
8112 mpt3sas_base_put_smid_default(ioc, smid);
8113 wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ);
8114
8115 if (!(ioc->scsih_cmds.status & MPT3_CMD_COMPLETE)) {
8116 pr_err(MPT3SAS_FMT "%s: timeout\n",
8117 ioc->name, __func__);
8118 goto out;
8119 }
8120
8121 if (ioc->scsih_cmds.status & MPT3_CMD_REPLY_VALID) {
8122 mpi_reply = ioc->scsih_cmds.reply;
7786ab6a
SR		 8123 if (!ioc->hide_ir_msg)
8124 pr_info(MPT3SAS_FMT "IR shutdown "
8125 "(complete): ioc_status(0x%04x), loginfo(0x%08x)\n",
8126 ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
8127 le32_to_cpu(mpi_reply->IOCLogInfo));
f92363d1
SR		 8128 }
8129
8130 out:
8131 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
8132 mutex_unlock(&ioc->scsih_cmds.mutex);
8133}
8134
8135/**
8a7e4c24 8136 * scsih_remove - detach and remove add host
f92363d1
SR		 8137 * @pdev: PCI device struct
8138 *
8139 * Routine called when unloading the driver.
8140 * Return nothing.
8141 */
8a7e4c24 8142void scsih_remove(struct pci_dev *pdev)
f92363d1
SR		 8143{
8144 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8145 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8146 struct _sas_port *mpt3sas_port, *next_port;
8147 struct _raid_device *raid_device, *next;
8148 struct MPT3SAS_TARGET *sas_target_priv_data;
8149 struct workqueue_struct *wq;
8150 unsigned long flags;
8151
8152 ioc->remove_host = 1;
8153 _scsih_fw_event_cleanup_queue(ioc);
8154
8155 spin_lock_irqsave(&ioc->fw_event_lock, flags);
8156 wq = ioc->firmware_event_thread;
8157 ioc->firmware_event_thread = NULL;
8158 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
8159 if (wq)
8160 destroy_workqueue(wq);
8161
8162 /* release all the volumes */
8163 _scsih_ir_shutdown(ioc);
8164 list_for_each_entry_safe(raid_device, next, &ioc->raid_device_list,
8165 list) {
8166 if (raid_device->starget) {
8167 sas_target_priv_data =
8168 raid_device->starget->hostdata;
8169 sas_target_priv_data->deleted = 1;
8170 scsi_remove_target(&raid_device->starget->dev);
8171 }
8172 pr_info(MPT3SAS_FMT "removing handle(0x%04x), wwid(0x%016llx)\n",
8173 ioc->name, raid_device->handle,
8174 (unsigned long long) raid_device->wwid);
8175 _scsih_raid_device_remove(ioc, raid_device);
8176 }
8177
8178 /* free ports attached to the sas_host */
8179 list_for_each_entry_safe(mpt3sas_port, next_port,
8180 &ioc->sas_hba.sas_port_list, port_list) {
8181 if (mpt3sas_port->remote_identify.device_type ==
8182 SAS_END_DEVICE)
8183 mpt3sas_device_remove_by_sas_address(ioc,
8184 mpt3sas_port->remote_identify.sas_address);
8185 else if (mpt3sas_port->remote_identify.device_type ==
8186 SAS_EDGE_EXPANDER_DEVICE ||
8187 mpt3sas_port->remote_identify.device_type ==
8188 SAS_FANOUT_EXPANDER_DEVICE)
8189 mpt3sas_expander_remove(ioc,
8190 mpt3sas_port->remote_identify.sas_address);
8191 }
8192
8193 /* free phys attached to the sas_host */
8194 if (ioc->sas_hba.num_phys) {
8195 kfree(ioc->sas_hba.phy);
8196 ioc->sas_hba.phy = NULL;
8197 ioc->sas_hba.num_phys = 0;
8198 }
8199
8200 sas_remove_host(shost);
4dc06fd8 8201 scsi_remove_host(shost);
f92363d1 8202 mpt3sas_base_detach(ioc);
08c4d550 8203 spin_lock(&gioc_lock);
f92363d1 8204 list_del(&ioc->list);
08c4d550 8205 spin_unlock(&gioc_lock);
f92363d1
SR		 8206 scsi_host_put(shost);
8207}
8208
8209/**
8a7e4c24 8210 * scsih_shutdown - routine call during system shutdown
f92363d1
SR		 8211 * @pdev: PCI device struct
8212 *
8213 * Return nothing.
8214 */
8a7e4c24
SR		 8215void
8216scsih_shutdown(struct pci_dev *pdev)
f92363d1
SR		 8217{
8218 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8219 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8220 struct workqueue_struct *wq;
8221 unsigned long flags;
8222
8223 ioc->remove_host = 1;
8224 _scsih_fw_event_cleanup_queue(ioc);
8225
8226 spin_lock_irqsave(&ioc->fw_event_lock, flags);
8227 wq = ioc->firmware_event_thread;
8228 ioc->firmware_event_thread = NULL;
8229 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
8230 if (wq)
8231 destroy_workqueue(wq);
8232
8233 _scsih_ir_shutdown(ioc);
8234 mpt3sas_base_detach(ioc);
8235}
8236
8237
8238/**
8239 * _scsih_probe_boot_devices - reports 1st device
8240 * @ioc: per adapter object
8241 *
8242 * If specified in bios page 2, this routine reports the 1st
8243 * device scsi-ml or sas transport for persistent boot device
8244 * purposes. Please refer to function _scsih_determine_boot_device()
8245 */
8246static void
8247_scsih_probe_boot_devices(struct MPT3SAS_ADAPTER *ioc)
8248{
8249 u8 is_raid;
8250 void *device;
8251 struct _sas_device *sas_device;
8252 struct _raid_device *raid_device;
8253 u16 handle;
8254 u64 sas_address_parent;
8255 u64 sas_address;
8256 unsigned long flags;
8257 int rc;
8258
8259 /* no Bios, return immediately */
8260 if (!ioc->bios_pg3.BiosVersion)
8261 return;
8262
8263 device = NULL;
8264 is_raid = 0;
8265 if (ioc->req_boot_device.device) {
8266 device = ioc->req_boot_device.device;
8267 is_raid = ioc->req_boot_device.is_raid;
8268 } else if (ioc->req_alt_boot_device.device) {
8269 device = ioc->req_alt_boot_device.device;
8270 is_raid = ioc->req_alt_boot_device.is_raid;
8271 } else if (ioc->current_boot_device.device) {
8272 device = ioc->current_boot_device.device;
8273 is_raid = ioc->current_boot_device.is_raid;
8274 }
8275
8276 if (!device)
8277 return;
8278
8279 if (is_raid) {
8280 raid_device = device;
8281 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
8282 raid_device->id, 0);
8283 if (rc)
8284 _scsih_raid_device_remove(ioc, raid_device);
8285 } else {
8286 spin_lock_irqsave(&ioc->sas_device_lock, flags);
8287 sas_device = device;
8288 handle = sas_device->handle;
8289 sas_address_parent = sas_device->sas_address_parent;
8290 sas_address = sas_device->sas_address;
8291 list_move_tail(&sas_device->list, &ioc->sas_device_list);
8292 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
8293
7786ab6a
SR		 8294 if (ioc->hide_drives)
8295 return;
f92363d1
SR		 8296 if (!mpt3sas_transport_port_add(ioc, handle,
8297 sas_address_parent)) {
8298 _scsih_sas_device_remove(ioc, sas_device);
8299 } else if (!sas_device->starget) {
f5edbe77
SR		 8300 if (!ioc->is_driver_loading) {
8301 mpt3sas_transport_port_remove(ioc,
8302 sas_address,
f92363d1 8303 sas_address_parent);
f5edbe77
SR		 8304 _scsih_sas_device_remove(ioc, sas_device);
8305 }
f92363d1
SR		 8306 }
8307 }
8308}
8309
8310/**
8311 * _scsih_probe_raid - reporting raid volumes to scsi-ml
8312 * @ioc: per adapter object
8313 *
8314 * Called during initial loading of the driver.
8315 */
8316static void
8317_scsih_probe_raid(struct MPT3SAS_ADAPTER *ioc)
8318{
8319 struct _raid_device *raid_device, *raid_next;
8320 int rc;
8321
8322 list_for_each_entry_safe(raid_device, raid_next,
8323 &ioc->raid_device_list, list) {
8324 if (raid_device->starget)
8325 continue;
8326 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
8327 raid_device->id, 0);
8328 if (rc)
8329 _scsih_raid_device_remove(ioc, raid_device);
8330 }
8331}
8332
d1cb5e49
SR		 8333static struct _sas_device *get_next_sas_device(struct MPT3SAS_ADAPTER *ioc)
8334{
8335 struct _sas_device *sas_device = NULL;
8336 unsigned long flags;
8337
8338 spin_lock_irqsave(&ioc->sas_device_lock, flags);
8339 if (!list_empty(&ioc->sas_device_init_list)) {
8340 sas_device = list_first_entry(&ioc->sas_device_init_list,
8341 struct _sas_device, list);
8342 sas_device_get(sas_device);
8343 }
8344 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
8345
8346 return sas_device;
8347}
8348
8349static void sas_device_make_active(struct MPT3SAS_ADAPTER *ioc,
8350 struct _sas_device *sas_device)
8351{
8352 unsigned long flags;
8353
8354 spin_lock_irqsave(&ioc->sas_device_lock, flags);
8355
8356 /*
8357 * Since we dropped the lock during the call to port_add(), we need to
8358 * be careful here that somebody else didn't move or delete this item
8359 * while we were busy with other things.
8360 *
8361 * If it was on the list, we need a put() for the reference the list
8362 * had. Either way, we need a get() for the destination list.
8363 */
8364 if (!list_empty(&sas_device->list)) {
8365 list_del_init(&sas_device->list);
8366 sas_device_put(sas_device);
8367 }
8368
8369 sas_device_get(sas_device);
8370 list_add_tail(&sas_device->list, &ioc->sas_device_list);
8371
8372 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
8373}
8374
f92363d1
SR		 8375/**
8376 * _scsih_probe_sas - reporting sas devices to sas transport
8377 * @ioc: per adapter object
8378 *
8379 * Called during initial loading of the driver.
8380 */
8381static void
8382_scsih_probe_sas(struct MPT3SAS_ADAPTER *ioc)
8383{
d1cb5e49 8384 struct _sas_device *sas_device;
f92363d1 8385
d1cb5e49
SR		 8386 if (ioc->hide_drives)
8387 return;
7786ab6a 8388
d1cb5e49 8389 while ((sas_device = get_next_sas_device(ioc))) {
f92363d1
SR		 8390 if (!mpt3sas_transport_port_add(ioc, sas_device->handle,
8391 sas_device->sas_address_parent)) {
d1cb5e49
SR		 8392 _scsih_sas_device_remove(ioc, sas_device);
8393 sas_device_put(sas_device);
f92363d1
SR		 8394 continue;
8395 } else if (!sas_device->starget) {
8396 /*
8397 * When asyn scanning is enabled, its not possible to
8398 * remove devices while scanning is turned on due to an
8399 * oops in scsi_sysfs_add_sdev()->add_device()->
8400 * sysfs_addrm_start()
8401 */
f5edbe77 8402 if (!ioc->is_driver_loading) {
f92363d1
SR		 8403 mpt3sas_transport_port_remove(ioc,
8404 sas_device->sas_address,
8405 sas_device->sas_address_parent);
d1cb5e49
SR		 8406 _scsih_sas_device_remove(ioc, sas_device);
8407 sas_device_put(sas_device);
f5edbe77
SR		 8408 continue;
8409 }
f92363d1 8410 }
d1cb5e49
SR		 8411 sas_device_make_active(ioc, sas_device);
8412 sas_device_put(sas_device);
f92363d1
SR		 8413 }
8414}
8415
8416/**
8417 * _scsih_probe_devices - probing for devices
8418 * @ioc: per adapter object
8419 *
8420 * Called during initial loading of the driver.
8421 */
8422static void
8423_scsih_probe_devices(struct MPT3SAS_ADAPTER *ioc)
8424{
8425 u16 volume_mapping_flags;
8426
8427 if (!(ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR))
8428 return; /* return when IOC doesn't support initiator mode */
8429
8430 _scsih_probe_boot_devices(ioc);
8431
8432 if (ioc->ir_firmware) {
8433 volume_mapping_flags =
8434 le16_to_cpu(ioc->ioc_pg8.IRVolumeMappingFlags) &
8435 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
8436 if (volume_mapping_flags ==
8437 MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
8438 _scsih_probe_raid(ioc);
8439 _scsih_probe_sas(ioc);
8440 } else {
8441 _scsih_probe_sas(ioc);
8442 _scsih_probe_raid(ioc);
8443 }
8444 } else
8445 _scsih_probe_sas(ioc);
8446}
8447
8448/**
8a7e4c24 8449 * scsih_scan_start - scsi lld callback for .scan_start
f92363d1
SR		 8450 * @shost: SCSI host pointer
8451 *
8452 * The shost has the ability to discover targets on its own instead
8453 * of scanning the entire bus. In our implemention, we will kick off
8454 * firmware discovery.
8455 */
8a7e4c24
SR		 8456void
8457scsih_scan_start(struct Scsi_Host *shost)
f92363d1
SR		 8458{
8459 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8460 int rc;
8461 if (diag_buffer_enable != -1 && diag_buffer_enable != 0)
8462 mpt3sas_enable_diag_buffer(ioc, diag_buffer_enable);
8463
8464 if (disable_discovery > 0)
8465 return;
8466
8467 ioc->start_scan = 1;
8468 rc = mpt3sas_port_enable(ioc);
8469
8470 if (rc != 0)
8471 pr_info(MPT3SAS_FMT "port enable: FAILED\n", ioc->name);
8472}
8473
8474/**
8a7e4c24 8475 * scsih_scan_finished - scsi lld callback for .scan_finished
f92363d1
SR		 8476 * @shost: SCSI host pointer
8477 * @time: elapsed time of the scan in jiffies
8478 *
8479 * This function will be called periodicallyn until it returns 1 with the
8480 * scsi_host and the elapsed time of the scan in jiffies. In our implemention,
8481 * we wait for firmware discovery to complete, then return 1.
8482 */
8a7e4c24
SR		 8483int
8484scsih_scan_finished(struct Scsi_Host *shost, unsigned long time)
f92363d1
SR		 8485{
8486 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8487
8488 if (disable_discovery > 0) {
8489 ioc->is_driver_loading = 0;
8490 ioc->wait_for_discovery_to_complete = 0;
8491 return 1;
8492 }
8493
8494 if (time >= (300 * HZ)) {
8495 ioc->base_cmds.status = MPT3_CMD_NOT_USED;
8496 pr_info(MPT3SAS_FMT
8497 "port enable: FAILED with timeout (timeout=300s)\n",
8498 ioc->name);
8499 ioc->is_driver_loading = 0;
8500 return 1;
8501 }
8502
8503 if (ioc->start_scan)
8504 return 0;
8505
8506 if (ioc->start_scan_failed) {
8507 pr_info(MPT3SAS_FMT
8508 "port enable: FAILED with (ioc_status=0x%08x)\n",
8509 ioc->name, ioc->start_scan_failed);
8510 ioc->is_driver_loading = 0;
8511 ioc->wait_for_discovery_to_complete = 0;
8512 ioc->remove_host = 1;
8513 return 1;
8514 }
8515
8516 pr_info(MPT3SAS_FMT "port enable: SUCCESS\n", ioc->name);
8517 ioc->base_cmds.status = MPT3_CMD_NOT_USED;
8518
8519 if (ioc->wait_for_discovery_to_complete) {
8520 ioc->wait_for_discovery_to_complete = 0;
8521 _scsih_probe_devices(ioc);
8522 }
8523 mpt3sas_base_start_watchdog(ioc);
8524 ioc->is_driver_loading = 0;
8525 return 1;
8526}
8527
c84b06a4
SR		 8528/* shost template for SAS 2.0 HBA devices */
8529static struct scsi_host_template mpt2sas_driver_template = {
8530 .module = THIS_MODULE,
8531 .name = "Fusion MPT SAS Host",
8532 .proc_name = MPT2SAS_DRIVER_NAME,
8533 .queuecommand = scsih_qcmd,
8534 .target_alloc = scsih_target_alloc,
8535 .slave_alloc = scsih_slave_alloc,
8536 .slave_configure = scsih_slave_configure,
8537 .target_destroy = scsih_target_destroy,
8538 .slave_destroy = scsih_slave_destroy,
8539 .scan_finished = scsih_scan_finished,
8540 .scan_start = scsih_scan_start,
8541 .change_queue_depth = scsih_change_queue_depth,
8542 .eh_abort_handler = scsih_abort,
8543 .eh_device_reset_handler = scsih_dev_reset,
8544 .eh_target_reset_handler = scsih_target_reset,
8545 .eh_host_reset_handler = scsih_host_reset,
8546 .bios_param = scsih_bios_param,
8547 .can_queue = 1,
8548 .this_id = -1,
8549 .sg_tablesize = MPT2SAS_SG_DEPTH,
8550 .max_sectors = 32767,
8551 .cmd_per_lun = 7,
8552 .use_clustering = ENABLE_CLUSTERING,
8553 .shost_attrs = mpt3sas_host_attrs,
8554 .sdev_attrs = mpt3sas_dev_attrs,
8555 .track_queue_depth = 1,
8556};
8557
8558/* raid transport support for SAS 2.0 HBA devices */
8559static struct raid_function_template mpt2sas_raid_functions = {
8560 .cookie = &mpt2sas_driver_template,
8561 .is_raid = scsih_is_raid,
8562 .get_resync = scsih_get_resync,
8563 .get_state = scsih_get_state,
8564};
d357e84d 8565
c84b06a4
SR		 8566/* shost template for SAS 3.0 HBA devices */
8567static struct scsi_host_template mpt3sas_driver_template = {
8568 .module = THIS_MODULE,
8569 .name = "Fusion MPT SAS Host",
8570 .proc_name = MPT3SAS_DRIVER_NAME,
8571 .queuecommand = scsih_qcmd,
8572 .target_alloc = scsih_target_alloc,
8573 .slave_alloc = scsih_slave_alloc,
8574 .slave_configure = scsih_slave_configure,
8575 .target_destroy = scsih_target_destroy,
8576 .slave_destroy = scsih_slave_destroy,
8577 .scan_finished = scsih_scan_finished,
8578 .scan_start = scsih_scan_start,
8579 .change_queue_depth = scsih_change_queue_depth,
8580 .eh_abort_handler = scsih_abort,
8581 .eh_device_reset_handler = scsih_dev_reset,
8582 .eh_target_reset_handler = scsih_target_reset,
8583 .eh_host_reset_handler = scsih_host_reset,
8584 .bios_param = scsih_bios_param,
8585 .can_queue = 1,
8586 .this_id = -1,
8587 .sg_tablesize = MPT3SAS_SG_DEPTH,
8588 .max_sectors = 32767,
8589 .cmd_per_lun = 7,
8590 .use_clustering = ENABLE_CLUSTERING,
8591 .shost_attrs = mpt3sas_host_attrs,
8592 .sdev_attrs = mpt3sas_dev_attrs,
8593 .track_queue_depth = 1,
8594};
8595
8596/* raid transport support for SAS 3.0 HBA devices */
8597static struct raid_function_template mpt3sas_raid_functions = {
8598 .cookie = &mpt3sas_driver_template,
8599 .is_raid = scsih_is_raid,
8600 .get_resync = scsih_get_resync,
8601 .get_state = scsih_get_state,
8602};
8603
8604/**
8605 * _scsih_determine_hba_mpi_version - determine in which MPI version class
8606 * this device belongs to.
8607 * @pdev: PCI device struct
8608 *
8609 * return MPI2_VERSION for SAS 2.0 HBA devices,
b130b0d5
SS		 8610 * MPI25_VERSION for SAS 3.0 HBA devices, and
8611 * MPI26 VERSION for Cutlass & Invader SAS 3.0 HBA devices
c84b06a4
SR		 8612 */
8613u16
8614_scsih_determine_hba_mpi_version(struct pci_dev *pdev)
8615{
8616
8617 switch (pdev->device) {
7786ab6a 8618 case MPI2_MFGPAGE_DEVID_SSS6200:
d357e84d
SR		 8619 case MPI2_MFGPAGE_DEVID_SAS2004:
8620 case MPI2_MFGPAGE_DEVID_SAS2008:
8621 case MPI2_MFGPAGE_DEVID_SAS2108_1:
8622 case MPI2_MFGPAGE_DEVID_SAS2108_2:
8623 case MPI2_MFGPAGE_DEVID_SAS2108_3:
8624 case MPI2_MFGPAGE_DEVID_SAS2116_1:
8625 case MPI2_MFGPAGE_DEVID_SAS2116_2:
8626 case MPI2_MFGPAGE_DEVID_SAS2208_1:
8627 case MPI2_MFGPAGE_DEVID_SAS2208_2:
8628 case MPI2_MFGPAGE_DEVID_SAS2208_3:
8629 case MPI2_MFGPAGE_DEVID_SAS2208_4:
8630 case MPI2_MFGPAGE_DEVID_SAS2208_5:
8631 case MPI2_MFGPAGE_DEVID_SAS2208_6:
8632 case MPI2_MFGPAGE_DEVID_SAS2308_1:
8633 case MPI2_MFGPAGE_DEVID_SAS2308_2:
8634 case MPI2_MFGPAGE_DEVID_SAS2308_3:
c84b06a4 8635 return MPI2_VERSION;
d357e84d
SR		 8636 case MPI25_MFGPAGE_DEVID_SAS3004:
8637 case MPI25_MFGPAGE_DEVID_SAS3008:
8638 case MPI25_MFGPAGE_DEVID_SAS3108_1:
8639 case MPI25_MFGPAGE_DEVID_SAS3108_2:
8640 case MPI25_MFGPAGE_DEVID_SAS3108_5:
8641 case MPI25_MFGPAGE_DEVID_SAS3108_6:
c84b06a4 8642 return MPI25_VERSION;
b130b0d5
SS		 8643 case MPI26_MFGPAGE_DEVID_SAS3216:
8644 case MPI26_MFGPAGE_DEVID_SAS3224:
8645 case MPI26_MFGPAGE_DEVID_SAS3316_1:
8646 case MPI26_MFGPAGE_DEVID_SAS3316_2:
8647 case MPI26_MFGPAGE_DEVID_SAS3316_3:
8648 case MPI26_MFGPAGE_DEVID_SAS3316_4:
8649 case MPI26_MFGPAGE_DEVID_SAS3324_1:
8650 case MPI26_MFGPAGE_DEVID_SAS3324_2:
8651 case MPI26_MFGPAGE_DEVID_SAS3324_3:
8652 case MPI26_MFGPAGE_DEVID_SAS3324_4:
8653 return MPI26_VERSION;
d357e84d 8654 }
c84b06a4 8655 return 0;
d357e84d
SR		 8656}
8657
f92363d1 8658/**
c84b06a4 8659 * _scsih_probe - attach and add scsi host
f92363d1
SR		 8660 * @pdev: PCI device struct
8661 * @id: pci device id
8662 *
8663 * Returns 0 success, anything else error.
8664 */
8a7e4c24 8665int
c84b06a4 8666_scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
f92363d1
SR		 8667{
8668 struct MPT3SAS_ADAPTER *ioc;
c84b06a4 8669 struct Scsi_Host *shost = NULL;
b65f1d4d 8670 int rv;
c84b06a4
SR		 8671 u16 hba_mpi_version;
8672
8673 /* Determine in which MPI version class this pci device belongs */
8674 hba_mpi_version = _scsih_determine_hba_mpi_version(pdev);
8675 if (hba_mpi_version == 0)
8676 return -ENODEV;
8677
8678 /* Enumerate only SAS 2.0 HBA's if hbas_to_enumerate is one,
8679 * for other generation HBA's return with -ENODEV
8680 */
8681 if ((hbas_to_enumerate == 1) && (hba_mpi_version != MPI2_VERSION))
8682 return -ENODEV;
8683
8684 /* Enumerate only SAS 3.0 HBA's if hbas_to_enumerate is two,
8685 * for other generation HBA's return with -ENODEV
8686 */
b130b0d5
SS		 8687 if ((hbas_to_enumerate == 2) && (!(hba_mpi_version == MPI25_VERSION
8688 || hba_mpi_version == MPI26_VERSION)))
c84b06a4
SR		 8689 return -ENODEV;
8690
8691 switch (hba_mpi_version) {
8692 case MPI2_VERSION:
8693 /* Use mpt2sas driver host template for SAS 2.0 HBA's */
8694 shost = scsi_host_alloc(&mpt2sas_driver_template,
8695 sizeof(struct MPT3SAS_ADAPTER));
8696 if (!shost)
8697 return -ENODEV;
8698 ioc = shost_priv(shost);
8699 memset(ioc, 0, sizeof(struct MPT3SAS_ADAPTER));
8700 ioc->hba_mpi_version_belonged = hba_mpi_version;
8701 ioc->id = mpt2_ids++;
8702 sprintf(ioc->driver_name, "%s", MPT2SAS_DRIVER_NAME);
8703 if (pdev->device == MPI2_MFGPAGE_DEVID_SSS6200) {
8704 ioc->is_warpdrive = 1;
8705 ioc->hide_ir_msg = 1;
8706 } else
8707 ioc->mfg_pg10_hide_flag = MFG_PAGE10_EXPOSE_ALL_DISKS;
8708 break;
8709 case MPI25_VERSION:
b130b0d5 8710 case MPI26_VERSION:
c84b06a4
SR		 8711 /* Use mpt3sas driver host template for SAS 3.0 HBA's */
8712 shost = scsi_host_alloc(&mpt3sas_driver_template,
8713 sizeof(struct MPT3SAS_ADAPTER));
8714 if (!shost)
8715 return -ENODEV;
8716 ioc = shost_priv(shost);
8717 memset(ioc, 0, sizeof(struct MPT3SAS_ADAPTER));
8718 ioc->hba_mpi_version_belonged = hba_mpi_version;
8719 ioc->id = mpt3_ids++;
8720 sprintf(ioc->driver_name, "%s", MPT3SAS_DRIVER_NAME);
b130b0d5
SS		 8721 if ((ioc->hba_mpi_version_belonged == MPI25_VERSION &&
8722 pdev->revision >= SAS3_PCI_DEVICE_C0_REVISION) ||
8723 (ioc->hba_mpi_version_belonged == MPI26_VERSION))
c84b06a4
SR		 8724 ioc->msix96_vector = 1;
8725 break;
8726 default:
8727 return -ENODEV;
8728 }
f92363d1 8729
f92363d1 8730 INIT_LIST_HEAD(&ioc->list);
08c4d550 8731 spin_lock(&gioc_lock);
f92363d1 8732 list_add_tail(&ioc->list, &mpt3sas_ioc_list);
08c4d550 8733 spin_unlock(&gioc_lock);
f92363d1 8734 ioc->shost = shost;
f92363d1
SR		 8735 ioc->pdev = pdev;
8736 ioc->scsi_io_cb_idx = scsi_io_cb_idx;
8737 ioc->tm_cb_idx = tm_cb_idx;
8738 ioc->ctl_cb_idx = ctl_cb_idx;
8739 ioc->base_cb_idx = base_cb_idx;
8740 ioc->port_enable_cb_idx = port_enable_cb_idx;
8741 ioc->transport_cb_idx = transport_cb_idx;
8742 ioc->scsih_cb_idx = scsih_cb_idx;
8743 ioc->config_cb_idx = config_cb_idx;
8744 ioc->tm_tr_cb_idx = tm_tr_cb_idx;
8745 ioc->tm_tr_volume_cb_idx = tm_tr_volume_cb_idx;
8746 ioc->tm_sas_control_cb_idx = tm_sas_control_cb_idx;
8747 ioc->logging_level = logging_level;
8748 ioc->schedule_dead_ioc_flush_running_cmds = &_scsih_flush_running_cmds;
8749 /* misc semaphores and spin locks */
8750 mutex_init(&ioc->reset_in_progress_mutex);
08c4d550
SR		 8751 /* initializing pci_access_mutex lock */
8752 mutex_init(&ioc->pci_access_mutex);
f92363d1
SR		 8753 spin_lock_init(&ioc->ioc_reset_in_progress_lock);
8754 spin_lock_init(&ioc->scsi_lookup_lock);
8755 spin_lock_init(&ioc->sas_device_lock);
8756 spin_lock_init(&ioc->sas_node_lock);
8757 spin_lock_init(&ioc->fw_event_lock);
8758 spin_lock_init(&ioc->raid_device_lock);
8759 spin_lock_init(&ioc->diag_trigger_lock);
8760
8761 INIT_LIST_HEAD(&ioc->sas_device_list);
8762 INIT_LIST_HEAD(&ioc->sas_device_init_list);
8763 INIT_LIST_HEAD(&ioc->sas_expander_list);
8764 INIT_LIST_HEAD(&ioc->fw_event_list);
8765 INIT_LIST_HEAD(&ioc->raid_device_list);
8766 INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list);
8767 INIT_LIST_HEAD(&ioc->delayed_tr_list);
fd0331b3
SS		 8768 INIT_LIST_HEAD(&ioc->delayed_sc_list);
8769 INIT_LIST_HEAD(&ioc->delayed_event_ack_list);
f92363d1 8770 INIT_LIST_HEAD(&ioc->delayed_tr_volume_list);
cf9bd21a 8771 INIT_LIST_HEAD(&ioc->reply_queue_list);
f92363d1 8772
c84b06a4 8773 sprintf(ioc->name, "%s_cm%d", ioc->driver_name, ioc->id);
d357e84d 8774
f92363d1
SR		 8775 /* init shost parameters */
8776 shost->max_cmd_len = 32;
8777 shost->max_lun = max_lun;
8778 shost->transportt = mpt3sas_transport_template;
8779 shost->unique_id = ioc->id;
8780
8781 if (max_sectors != 0xFFFF) {
8782 if (max_sectors < 64) {
8783 shost->max_sectors = 64;
8784 pr_warn(MPT3SAS_FMT "Invalid value %d passed " \
8785 "for max_sectors, range is 64 to 32767. Assigning "
8786 "value of 64.\n", ioc->name, max_sectors);
8787 } else if (max_sectors > 32767) {
8788 shost->max_sectors = 32767;
8789 pr_warn(MPT3SAS_FMT "Invalid value %d passed " \
8790 "for max_sectors, range is 64 to 32767. Assigning "
8791 "default value of 32767.\n", ioc->name,
8792 max_sectors);
8793 } else {
8794 shost->max_sectors = max_sectors & 0xFFFE;
8795 pr_info(MPT3SAS_FMT
8796 "The max_sectors value is set to %d\n",
8797 ioc->name, shost->max_sectors);
8798 }
8799 }
8800
f92363d1
SR		 8801 /* register EEDP capabilities with SCSI layer */
8802 if (prot_mask > 0)
8803 scsi_host_set_prot(shost, prot_mask);
8804 else
8805 scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION
8806 | SHOST_DIF_TYPE2_PROTECTION
8807 | SHOST_DIF_TYPE3_PROTECTION);
8808
8809 scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC);
8810
8811 /* event thread */
8812 snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name),
c84b06a4 8813 "fw_event_%s%d", ioc->driver_name, ioc->id);
bdff785e
SR		 8814 ioc->firmware_event_thread = alloc_ordered_workqueue(
8815 ioc->firmware_event_name, WQ_MEM_RECLAIM);
f92363d1
SR		 8816 if (!ioc->firmware_event_thread) {
8817 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
8818 ioc->name, __FILE__, __LINE__, __func__);
b65f1d4d 8819 rv = -ENODEV;
f92363d1
SR		 8820 goto out_thread_fail;
8821 }
8822
8823 ioc->is_driver_loading = 1;
8824 if ((mpt3sas_base_attach(ioc))) {
8825 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
8826 ioc->name, __FILE__, __LINE__, __func__);
b65f1d4d 8827 rv = -ENODEV;
f92363d1
SR		 8828 goto out_attach_fail;
8829 }
7786ab6a 8830
7786ab6a
SR		 8831 if (ioc->is_warpdrive) {
8832 if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_EXPOSE_ALL_DISKS)
8833 ioc->hide_drives = 0;
8834 else if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_HIDE_ALL_DISKS)
8835 ioc->hide_drives = 1;
8836 else {
c84b06a4 8837 if (mpt3sas_get_num_volumes(ioc))
7786ab6a
SR		 8838 ioc->hide_drives = 1;
8839 else
8840 ioc->hide_drives = 0;
8841 }
8842 } else
8843 ioc->hide_drives = 0;
7786ab6a 8844
b65f1d4d
SR		 8845 rv = scsi_add_host(shost, &pdev->dev);
8846 if (rv) {
4dc06fd8
RS		 8847 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
8848 ioc->name, __FILE__, __LINE__, __func__);
4dc06fd8
RS		 8849 goto out_add_shost_fail;
8850 }
8851
f92363d1
SR		 8852 scsi_scan_host(shost);
8853 return 0;
4dc06fd8
RS		 8854out_add_shost_fail:
8855 mpt3sas_base_detach(ioc);
f92363d1
SR		 8856 out_attach_fail:
8857 destroy_workqueue(ioc->firmware_event_thread);
8858 out_thread_fail:
08c4d550 8859 spin_lock(&gioc_lock);
f92363d1 8860 list_del(&ioc->list);
08c4d550 8861 spin_unlock(&gioc_lock);
f92363d1 8862 scsi_host_put(shost);
b65f1d4d 8863 return rv;
f92363d1
SR		 8864}
8865
8866#ifdef CONFIG_PM
8867/**
8a7e4c24 8868 * scsih_suspend - power management suspend main entry point
f92363d1
SR		 8869 * @pdev: PCI device struct
8870 * @state: PM state change to (usually PCI_D3)
8871 *
8872 * Returns 0 success, anything else error.
8873 */
8a7e4c24
SR		 8874int
8875scsih_suspend(struct pci_dev *pdev, pm_message_t state)
f92363d1
SR		 8876{
8877 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8878 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8879 pci_power_t device_state;
8880
8881 mpt3sas_base_stop_watchdog(ioc);
8882 flush_scheduled_work();
8883 scsi_block_requests(shost);
8884 device_state = pci_choose_state(pdev, state);
8885 pr_info(MPT3SAS_FMT
8886 "pdev=0x%p, slot=%s, entering operating state [D%d]\n",
8887 ioc->name, pdev, pci_name(pdev), device_state);
8888
8889 pci_save_state(pdev);
8890 mpt3sas_base_free_resources(ioc);
8891 pci_set_power_state(pdev, device_state);
8892 return 0;
8893}
8894
8895/**
8a7e4c24 8896 * scsih_resume - power management resume main entry point
f92363d1
SR		 8897 * @pdev: PCI device struct
8898 *
8899 * Returns 0 success, anything else error.
8900 */
8a7e4c24
SR		 8901int
8902scsih_resume(struct pci_dev *pdev)
f92363d1
SR		 8903{
8904 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8905 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8906 pci_power_t device_state = pdev->current_state;
8907 int r;
8908
8909 pr_info(MPT3SAS_FMT
8910 "pdev=0x%p, slot=%s, previous operating state [D%d]\n",
8911 ioc->name, pdev, pci_name(pdev), device_state);
8912
8913 pci_set_power_state(pdev, PCI_D0);
8914 pci_enable_wake(pdev, PCI_D0, 0);
8915 pci_restore_state(pdev);
8916 ioc->pdev = pdev;
8917 r = mpt3sas_base_map_resources(ioc);
8918 if (r)
8919 return r;
8920
8921 mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP, SOFT_RESET);
8922 scsi_unblock_requests(shost);
8923 mpt3sas_base_start_watchdog(ioc);
8924 return 0;
8925}
8926#endif /* CONFIG_PM */
8927
8928/**
8a7e4c24 8929 * scsih_pci_error_detected - Called when a PCI error is detected.
f92363d1
SR		 8930 * @pdev: PCI device struct
8931 * @state: PCI channel state
8932 *
8933 * Description: Called when a PCI error is detected.
8934 *
8935 * Return value:
8936 * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT
8937 */
8a7e4c24
SR		 8938pci_ers_result_t
8939scsih_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
f92363d1
SR		 8940{
8941 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8942 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8943
8944 pr_info(MPT3SAS_FMT "PCI error: detected callback, state(%d)!!\n",
8945 ioc->name, state);
8946
8947 switch (state) {
8948 case pci_channel_io_normal:
8949 return PCI_ERS_RESULT_CAN_RECOVER;
8950 case pci_channel_io_frozen:
8951 /* Fatal error, prepare for slot reset */
8952 ioc->pci_error_recovery = 1;
8953 scsi_block_requests(ioc->shost);
8954 mpt3sas_base_stop_watchdog(ioc);
8955 mpt3sas_base_free_resources(ioc);
8956 return PCI_ERS_RESULT_NEED_RESET;
8957 case pci_channel_io_perm_failure:
8958 /* Permanent error, prepare for device removal */
8959 ioc->pci_error_recovery = 1;
8960 mpt3sas_base_stop_watchdog(ioc);
8961 _scsih_flush_running_cmds(ioc);
8962 return PCI_ERS_RESULT_DISCONNECT;
8963 }
8964 return PCI_ERS_RESULT_NEED_RESET;
8965}
8966
8967/**
8a7e4c24 8968 * scsih_pci_slot_reset - Called when PCI slot has been reset.
f92363d1
SR		 8969 * @pdev: PCI device struct
8970 *
8971 * Description: This routine is called by the pci error recovery
8972 * code after the PCI slot has been reset, just before we
8973 * should resume normal operations.
8974 */
8a7e4c24
SR		 8975pci_ers_result_t
8976scsih_pci_slot_reset(struct pci_dev *pdev)
f92363d1
SR		 8977{
8978 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8979 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8980 int rc;
8981
8982 pr_info(MPT3SAS_FMT "PCI error: slot reset callback!!\n",
8983 ioc->name);
8984
8985 ioc->pci_error_recovery = 0;
8986 ioc->pdev = pdev;
8987 pci_restore_state(pdev);
8988 rc = mpt3sas_base_map_resources(ioc);
8989 if (rc)
8990 return PCI_ERS_RESULT_DISCONNECT;
8991
8992 rc = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP,
8993 FORCE_BIG_HAMMER);
8994
8995 pr_warn(MPT3SAS_FMT "hard reset: %s\n", ioc->name,
8996 (rc == 0) ? "success" : "failed");
8997
8998 if (!rc)
8999 return PCI_ERS_RESULT_RECOVERED;
9000 else
9001 return PCI_ERS_RESULT_DISCONNECT;
9002}
9003
9004/**
8a7e4c24 9005 * scsih_pci_resume() - resume normal ops after PCI reset
f92363d1
SR		 9006 * @pdev: pointer to PCI device
9007 *
9008 * Called when the error recovery driver tells us that its
9009 * OK to resume normal operation. Use completion to allow
9010 * halted scsi ops to resume.
9011 */
8a7e4c24
SR		 9012void
9013scsih_pci_resume(struct pci_dev *pdev)
f92363d1
SR		 9014{
9015 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9016 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
9017
9018 pr_info(MPT3SAS_FMT "PCI error: resume callback!!\n", ioc->name);
9019
9020 pci_cleanup_aer_uncorrect_error_status(pdev);
9021 mpt3sas_base_start_watchdog(ioc);
9022 scsi_unblock_requests(ioc->shost);
9023}
9024
9025/**
8a7e4c24 9026 * scsih_pci_mmio_enabled - Enable MMIO and dump debug registers
f92363d1
SR		 9027 * @pdev: pointer to PCI device
9028 */
8a7e4c24
SR		 9029pci_ers_result_t
9030scsih_pci_mmio_enabled(struct pci_dev *pdev)
f92363d1
SR		 9031{
9032 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9033 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
9034
9035 pr_info(MPT3SAS_FMT "PCI error: mmio enabled callback!!\n",
9036 ioc->name);
9037
9038 /* TODO - dump whatever for debugging purposes */
9039
83c3d340
KW		 9040 /* This called only if scsih_pci_error_detected returns
9041 * PCI_ERS_RESULT_CAN_RECOVER. Read/write to the device still
9042 * works, no need to reset slot.
9043 */
9044 return PCI_ERS_RESULT_RECOVERED;
f92363d1
SR		 9045}
9046
c84b06a4
SR		 9047/*
9048 * The pci device ids are defined in mpi/mpi2_cnfg.h.
9049 */
9050static const struct pci_device_id mpt3sas_pci_table[] = {
9051 /* Spitfire ~ 2004 */
9052 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004,
9053 PCI_ANY_ID, PCI_ANY_ID },
9054 /* Falcon ~ 2008 */
9055 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008,
9056 PCI_ANY_ID, PCI_ANY_ID },
9057 /* Liberator ~ 2108 */
9058 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1,
9059 PCI_ANY_ID, PCI_ANY_ID },
9060 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2,
9061 PCI_ANY_ID, PCI_ANY_ID },
9062 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3,
9063 PCI_ANY_ID, PCI_ANY_ID },
9064 /* Meteor ~ 2116 */
9065 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1,
9066 PCI_ANY_ID, PCI_ANY_ID },
9067 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2,
9068 PCI_ANY_ID, PCI_ANY_ID },
9069 /* Thunderbolt ~ 2208 */
9070 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1,
9071 PCI_ANY_ID, PCI_ANY_ID },
9072 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_2,
9073 PCI_ANY_ID, PCI_ANY_ID },
9074 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_3,
9075 PCI_ANY_ID, PCI_ANY_ID },
9076 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_4,
9077 PCI_ANY_ID, PCI_ANY_ID },
9078 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_5,
9079 PCI_ANY_ID, PCI_ANY_ID },
9080 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6,
9081 PCI_ANY_ID, PCI_ANY_ID },
9082 /* Mustang ~ 2308 */
9083 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_1,
9084 PCI_ANY_ID, PCI_ANY_ID },
9085 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2,
9086 PCI_ANY_ID, PCI_ANY_ID },
9087 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_3,
9088 PCI_ANY_ID, PCI_ANY_ID },
9089 /* SSS6200 */
9090 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SSS6200,
9091 PCI_ANY_ID, PCI_ANY_ID },
9092 /* Fury ~ 3004 and 3008 */
9093 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3004,
9094 PCI_ANY_ID, PCI_ANY_ID },
9095 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3008,
9096 PCI_ANY_ID, PCI_ANY_ID },
9097 /* Invader ~ 3108 */
9098 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_1,
9099 PCI_ANY_ID, PCI_ANY_ID },
9100 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_2,
9101 PCI_ANY_ID, PCI_ANY_ID },
9102 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_5,
9103 PCI_ANY_ID, PCI_ANY_ID },
9104 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_6,
9105 PCI_ANY_ID, PCI_ANY_ID },
b130b0d5
SS		 9106 /* Cutlass ~ 3216 and 3224 */
9107 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3216,
9108 PCI_ANY_ID, PCI_ANY_ID },
9109 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3224,
9110 PCI_ANY_ID, PCI_ANY_ID },
9111 /* Intruder ~ 3316 and 3324 */
9112 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_1,
9113 PCI_ANY_ID, PCI_ANY_ID },
9114 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_2,
9115 PCI_ANY_ID, PCI_ANY_ID },
9116 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_3,
9117 PCI_ANY_ID, PCI_ANY_ID },
9118 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_4,
9119 PCI_ANY_ID, PCI_ANY_ID },
9120 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_1,
9121 PCI_ANY_ID, PCI_ANY_ID },
9122 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_2,
9123 PCI_ANY_ID, PCI_ANY_ID },
9124 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_3,
9125 PCI_ANY_ID, PCI_ANY_ID },
9126 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_4,
9127 PCI_ANY_ID, PCI_ANY_ID },
c84b06a4
SR		 9128 {0} /* Terminating entry */
9129};
9130MODULE_DEVICE_TABLE(pci, mpt3sas_pci_table);
9131
9132static struct pci_error_handlers _mpt3sas_err_handler = {
9133 .error_detected = scsih_pci_error_detected,
9134 .mmio_enabled = scsih_pci_mmio_enabled,
9135 .slot_reset = scsih_pci_slot_reset,
9136 .resume = scsih_pci_resume,
9137};
9138
9139static struct pci_driver mpt3sas_driver = {
9140 .name = MPT3SAS_DRIVER_NAME,
9141 .id_table = mpt3sas_pci_table,
9142 .probe = _scsih_probe,
9143 .remove = scsih_remove,
9144 .shutdown = scsih_shutdown,
9145 .err_handler = &_mpt3sas_err_handler,
9146#ifdef CONFIG_PM
9147 .suspend = scsih_suspend,
9148 .resume = scsih_resume,
9149#endif
9150};
9151
f92363d1 9152/**
8a7e4c24 9153 * scsih_init - main entry point for this driver.
f92363d1
SR		 9154 *
9155 * Returns 0 success, anything else error.
9156 */
8a7e4c24
SR		 9157int
9158scsih_init(void)
f92363d1 9159{
c84b06a4
SR		 9160 mpt2_ids = 0;
9161 mpt3_ids = 0;
f92363d1 9162
f92363d1
SR		 9163 mpt3sas_base_initialize_callback_handler();
9164
9165 /* queuecommand callback hander */
9166 scsi_io_cb_idx = mpt3sas_base_register_callback_handler(_scsih_io_done);
9167
9168 /* task managment callback handler */
9169 tm_cb_idx = mpt3sas_base_register_callback_handler(_scsih_tm_done);
9170
9171 /* base internal commands callback handler */
9172 base_cb_idx = mpt3sas_base_register_callback_handler(mpt3sas_base_done);
9173 port_enable_cb_idx = mpt3sas_base_register_callback_handler(
9174 mpt3sas_port_enable_done);
9175
9176 /* transport internal commands callback handler */
9177 transport_cb_idx = mpt3sas_base_register_callback_handler(
9178 mpt3sas_transport_done);
9179
9180 /* scsih internal commands callback handler */
9181 scsih_cb_idx = mpt3sas_base_register_callback_handler(_scsih_done);
9182
9183 /* configuration page API internal commands callback handler */
9184 config_cb_idx = mpt3sas_base_register_callback_handler(
9185 mpt3sas_config_done);
9186
9187 /* ctl module callback handler */
9188 ctl_cb_idx = mpt3sas_base_register_callback_handler(mpt3sas_ctl_done);
9189
9190 tm_tr_cb_idx = mpt3sas_base_register_callback_handler(
9191 _scsih_tm_tr_complete);
9192
9193 tm_tr_volume_cb_idx = mpt3sas_base_register_callback_handler(
9194 _scsih_tm_volume_tr_complete);
9195
9196 tm_sas_control_cb_idx = mpt3sas_base_register_callback_handler(
9197 _scsih_sas_control_complete);
9198
7497392a 9199 return 0;
f92363d1
SR		 9200}
9201
9202/**
7497392a 9203 * scsih_exit - exit point for this driver (when it is a module).
f92363d1
SR		 9204 *
9205 * Returns 0 success, anything else error.
9206 */
8a7e4c24
SR		 9207void
9208scsih_exit(void)
f92363d1 9209{
f92363d1
SR		 9210
9211 mpt3sas_base_release_callback_handler(scsi_io_cb_idx);
9212 mpt3sas_base_release_callback_handler(tm_cb_idx);
9213 mpt3sas_base_release_callback_handler(base_cb_idx);
9214 mpt3sas_base_release_callback_handler(port_enable_cb_idx);
9215 mpt3sas_base_release_callback_handler(transport_cb_idx);
9216 mpt3sas_base_release_callback_handler(scsih_cb_idx);
9217 mpt3sas_base_release_callback_handler(config_cb_idx);
9218 mpt3sas_base_release_callback_handler(ctl_cb_idx);
9219
9220 mpt3sas_base_release_callback_handler(tm_tr_cb_idx);
9221 mpt3sas_base_release_callback_handler(tm_tr_volume_cb_idx);
9222 mpt3sas_base_release_callback_handler(tm_sas_control_cb_idx);
9223
9224/* raid transport support */
c84b06a4
SR		 9225 if (hbas_to_enumerate != 1)
9226 raid_class_release(mpt3sas_raid_template);
9227 if (hbas_to_enumerate != 2)
9228 raid_class_release(mpt2sas_raid_template);
f92363d1
SR		 9229 sas_release_transport(mpt3sas_transport_template);
9230}
7786ab6a 9231
c84b06a4
SR		 9232/**
9233 * _mpt3sas_init - main entry point for this driver.
9234 *
9235 * Returns 0 success, anything else error.
9236 */
9237static int __init
9238_mpt3sas_init(void)
9239{
9240 int error;
9241
9242 pr_info("%s version %s loaded\n", MPT3SAS_DRIVER_NAME,
9243 MPT3SAS_DRIVER_VERSION);
9244
9245 mpt3sas_transport_template =
9246 sas_attach_transport(&mpt3sas_transport_functions);
9247 if (!mpt3sas_transport_template)
9248 return -ENODEV;
9249
9250 /* No need attach mpt3sas raid functions template
9251 * if hbas_to_enumarate value is one.
9252 */
9253 if (hbas_to_enumerate != 1) {
9254 mpt3sas_raid_template =
9255 raid_class_attach(&mpt3sas_raid_functions);
9256 if (!mpt3sas_raid_template) {
9257 sas_release_transport(mpt3sas_transport_template);
9258 return -ENODEV;
9259 }
9260 }
9261
9262 /* No need to attach mpt2sas raid functions template
9263 * if hbas_to_enumarate value is two
9264 */
9265 if (hbas_to_enumerate != 2) {
9266 mpt2sas_raid_template =
9267 raid_class_attach(&mpt2sas_raid_functions);
9268 if (!mpt2sas_raid_template) {
9269 sas_release_transport(mpt3sas_transport_template);
9270 return -ENODEV;
9271 }
9272 }
9273
9274 error = scsih_init();
9275 if (error) {
9276 scsih_exit();
9277 return error;
9278 }
9279
9280 mpt3sas_ctl_init(hbas_to_enumerate);
9281
9282 error = pci_register_driver(&mpt3sas_driver);
9283 if (error)
9284 scsih_exit();
9285
9286 return error;
9287}
9288
9289/**
9290 * _mpt3sas_exit - exit point for this driver (when it is a module).
9291 *
9292 */
9293static void __exit
9294_mpt3sas_exit(void)
9295{
9296 pr_info("mpt3sas version %s unloading\n",
9297 MPT3SAS_DRIVER_VERSION);
9298
9299 pci_unregister_driver(&mpt3sas_driver);
9300
9301 mpt3sas_ctl_exit(hbas_to_enumerate);
9302
9303 scsih_exit();
9304}
9305
9306module_init(_mpt3sas_init);
9307module_exit(_mpt3sas_exit);
Linux 6.x block layer and io_uring tree(s)