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scsi: mpt3sas: Force request partial completion alignment
[mirror_ubuntu-artful-kernel.git] / drivers / scsi / mpt3sas / mpt3sas_scsih.c
CommitLineData
f92363d1
SR		 1/*
2 * Scsi Host Layer for MPT (Message Passing Technology) based controllers
3 *
4 * This code is based on drivers/scsi/mpt3sas/mpt3sas_scsih.c
a4ffce0d 5 * Copyright (C) 2012-2014 LSI Corporation
a03bd153
SR		 6 * Copyright (C) 2013-2014 Avago Technologies
7 * (mailto: MPT-FusionLinux.pdl@avagotech.com)
f92363d1
SR		 8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2
12 * of the License, or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * NO WARRANTY
20 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
21 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
22 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
23 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
24 * solely responsible for determining the appropriateness of using and
25 * distributing the Program and assumes all risks associated with its
26 * exercise of rights under this Agreement, including but not limited to
27 * the risks and costs of program errors, damage to or loss of data,
28 * programs or equipment, and unavailability or interruption of operations.
29
30 * DISCLAIMER OF LIABILITY
31 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
32 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
34 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
35 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
36 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
37 * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
38
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
42 * USA.
43 */
44
f92363d1
SR		 45#include <linux/module.h>
46#include <linux/kernel.h>
47#include <linux/init.h>
48#include <linux/errno.h>
49#include <linux/blkdev.h>
50#include <linux/sched.h>
51#include <linux/workqueue.h>
52#include <linux/delay.h>
53#include <linux/pci.h>
54#include <linux/interrupt.h>
55#include <linux/aer.h>
56#include <linux/raid_class.h>
7786ab6a 57#include <asm/unaligned.h>
f92363d1
SR		 58
59#include "mpt3sas_base.h"
60
f92363d1
SR		 61#define RAID_CHANNEL 1
62/* forward proto's */
63static void _scsih_expander_node_remove(struct MPT3SAS_ADAPTER *ioc,
64 struct _sas_node *sas_expander);
65static void _firmware_event_work(struct work_struct *work);
66
67static void _scsih_remove_device(struct MPT3SAS_ADAPTER *ioc,
68 struct _sas_device *sas_device);
69static int _scsih_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle,
70 u8 retry_count, u8 is_pd);
71
72static u8 _scsih_check_for_pending_tm(struct MPT3SAS_ADAPTER *ioc, u16 smid);
73
f92363d1
SR		 74/* global parameters */
75LIST_HEAD(mpt3sas_ioc_list);
08c4d550
SR		 76/* global ioc lock for list operations */
77DEFINE_SPINLOCK(gioc_lock);
f92363d1 78
c84b06a4
SR		 79MODULE_AUTHOR(MPT3SAS_AUTHOR);
80MODULE_DESCRIPTION(MPT3SAS_DESCRIPTION);
81MODULE_LICENSE("GPL");
82MODULE_VERSION(MPT3SAS_DRIVER_VERSION);
83MODULE_ALIAS("mpt2sas");
84
f92363d1
SR		 85/* local parameters */
86static u8 scsi_io_cb_idx = -1;
87static u8 tm_cb_idx = -1;
88static u8 ctl_cb_idx = -1;
89static u8 base_cb_idx = -1;
90static u8 port_enable_cb_idx = -1;
91static u8 transport_cb_idx = -1;
92static u8 scsih_cb_idx = -1;
93static u8 config_cb_idx = -1;
c84b06a4
SR		 94static int mpt2_ids;
95static int mpt3_ids;
f92363d1
SR		 96
97static u8 tm_tr_cb_idx = -1 ;
98static u8 tm_tr_volume_cb_idx = -1 ;
99static u8 tm_sas_control_cb_idx = -1;
100
101/* command line options */
102static u32 logging_level;
103MODULE_PARM_DESC(logging_level,
104 " bits for enabling additional logging info (default=0)");
105
106
107static ushort max_sectors = 0xFFFF;
108module_param(max_sectors, ushort, 0);
109MODULE_PARM_DESC(max_sectors, "max sectors, range 64 to 32767 default=32767");
110
111
112static int missing_delay[2] = {-1, -1};
113module_param_array(missing_delay, int, NULL, 0);
114MODULE_PARM_DESC(missing_delay, " device missing delay , io missing delay");
115
116/* scsi-mid layer global parmeter is max_report_luns, which is 511 */
117#define MPT3SAS_MAX_LUN (16895)
1abf635d
HR		 118static u64 max_lun = MPT3SAS_MAX_LUN;
119module_param(max_lun, ullong, 0);
f92363d1
SR		 120MODULE_PARM_DESC(max_lun, " max lun, default=16895 ");
121
c84b06a4
SR		 122static ushort hbas_to_enumerate;
123module_param(hbas_to_enumerate, ushort, 0);
124MODULE_PARM_DESC(hbas_to_enumerate,
125 " 0 - enumerates both SAS 2.0 & SAS 3.0 generation HBAs\n \
126 1 - enumerates only SAS 2.0 generation HBAs\n \
127 2 - enumerates only SAS 3.0 generation HBAs (default=0)");
f92363d1
SR		 128
129/* diag_buffer_enable is bitwise
130 * bit 0 set = TRACE
131 * bit 1 set = SNAPSHOT
132 * bit 2 set = EXTENDED
133 *
134 * Either bit can be set, or both
135 */
136static int diag_buffer_enable = -1;
137module_param(diag_buffer_enable, int, 0);
138MODULE_PARM_DESC(diag_buffer_enable,
139 " post diag buffers (TRACE=1/SNAPSHOT=2/EXTENDED=4/default=0)");
140static int disable_discovery = -1;
141module_param(disable_discovery, int, 0);
142MODULE_PARM_DESC(disable_discovery, " disable discovery ");
143
144
145/* permit overriding the host protection capabilities mask (EEDP/T10 PI) */
146static int prot_mask = -1;
147module_param(prot_mask, int, 0);
148MODULE_PARM_DESC(prot_mask, " host protection capabilities mask, def=7 ");
149
150
151/* raid transport support */
7497392a 152struct raid_template *mpt3sas_raid_template;
c84b06a4 153struct raid_template *mpt2sas_raid_template;
f92363d1
SR		 154
155
156/**
157 * struct sense_info - common structure for obtaining sense keys
158 * @skey: sense key
159 * @asc: additional sense code
160 * @ascq: additional sense code qualifier
161 */
162struct sense_info {
163 u8 skey;
164 u8 asc;
165 u8 ascq;
166};
167
168#define MPT3SAS_PROCESS_TRIGGER_DIAG (0xFFFB)
0f624c39 169#define MPT3SAS_TURN_ON_PFA_LED (0xFFFC)
f92363d1
SR		 170#define MPT3SAS_PORT_ENABLE_COMPLETE (0xFFFD)
171#define MPT3SAS_ABRT_TASK_SET (0xFFFE)
172#define MPT3SAS_REMOVE_UNRESPONDING_DEVICES (0xFFFF)
173/**
174 * struct fw_event_work - firmware event struct
175 * @list: link list framework
176 * @work: work object (ioc->fault_reset_work_q)
f92363d1
SR		 177 * @ioc: per adapter object
178 * @device_handle: device handle
179 * @VF_ID: virtual function id
180 * @VP_ID: virtual port id
181 * @ignore: flag meaning this event has been marked to ignore
b8ac0cc7
JL		 182 * @event: firmware event MPI2_EVENT_XXX defined in mpi2_ioc.h
183 * @refcount: kref for this event
f92363d1
SR		 184 * @event_data: reply event data payload follows
185 *
186 * This object stored on ioc->fw_event_list.
187 */
188struct fw_event_work {
189 struct list_head list;
190 struct work_struct work;
f92363d1
SR		 191
192 struct MPT3SAS_ADAPTER *ioc;
193 u16 device_handle;
194 u8 VF_ID;
195 u8 VP_ID;
196 u8 ignore;
197 u16 event;
146b16c8 198 struct kref refcount;
35b62362 199 char event_data[0] __aligned(4);
f92363d1
SR		 200};
201
146b16c8
SR		 202static void fw_event_work_free(struct kref *r)
203{
204 kfree(container_of(r, struct fw_event_work, refcount));
205}
206
207static void fw_event_work_get(struct fw_event_work *fw_work)
208{
209 kref_get(&fw_work->refcount);
210}
211
212static void fw_event_work_put(struct fw_event_work *fw_work)
213{
214 kref_put(&fw_work->refcount, fw_event_work_free);
215}
216
217static struct fw_event_work *alloc_fw_event_work(int len)
218{
219 struct fw_event_work *fw_event;
220
221 fw_event = kzalloc(sizeof(*fw_event) + len, GFP_ATOMIC);
222 if (!fw_event)
223 return NULL;
224
225 kref_init(&fw_event->refcount);
226 return fw_event;
227}
228
f92363d1
SR		 229/**
230 * struct _scsi_io_transfer - scsi io transfer
231 * @handle: sas device handle (assigned by firmware)
232 * @is_raid: flag set for hidden raid components
233 * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE,
234 * @data_length: data transfer length
235 * @data_dma: dma pointer to data
236 * @sense: sense data
237 * @lun: lun number
238 * @cdb_length: cdb length
239 * @cdb: cdb contents
240 * @timeout: timeout for this command
241 * @VF_ID: virtual function id
242 * @VP_ID: virtual port id
243 * @valid_reply: flag set for reply message
244 * @sense_length: sense length
245 * @ioc_status: ioc status
246 * @scsi_state: scsi state
247 * @scsi_status: scsi staus
248 * @log_info: log information
249 * @transfer_length: data length transfer when there is a reply message
250 *
251 * Used for sending internal scsi commands to devices within this module.
252 * Refer to _scsi_send_scsi_io().
253 */
254struct _scsi_io_transfer {
255 u16 handle;
256 u8 is_raid;
257 enum dma_data_direction dir;
258 u32 data_length;
259 dma_addr_t data_dma;
260 u8 sense[SCSI_SENSE_BUFFERSIZE];
261 u32 lun;
262 u8 cdb_length;
263 u8 cdb[32];
264 u8 timeout;
265 u8 VF_ID;
266 u8 VP_ID;
267 u8 valid_reply;
268 /* the following bits are only valid when 'valid_reply = 1' */
269 u32 sense_length;
270 u16 ioc_status;
271 u8 scsi_state;
272 u8 scsi_status;
273 u32 log_info;
274 u32 transfer_length;
275};
276
f92363d1
SR		 277/**
278 * _scsih_set_debug_level - global setting of ioc->logging_level.
279 *
280 * Note: The logging levels are defined in mpt3sas_debug.h.
281 */
282static int
283_scsih_set_debug_level(const char *val, struct kernel_param *kp)
284{
285 int ret = param_set_int(val, kp);
286 struct MPT3SAS_ADAPTER *ioc;
287
288 if (ret)
289 return ret;
290
291 pr_info("setting logging_level(0x%08x)\n", logging_level);
08c4d550 292 spin_lock(&gioc_lock);
f92363d1
SR		 293 list_for_each_entry(ioc, &mpt3sas_ioc_list, list)
294 ioc->logging_level = logging_level;
08c4d550 295 spin_unlock(&gioc_lock);
f92363d1
SR		 296 return 0;
297}
298module_param_call(logging_level, _scsih_set_debug_level, param_get_int,
299 &logging_level, 0644);
300
301/**
302 * _scsih_srch_boot_sas_address - search based on sas_address
303 * @sas_address: sas address
304 * @boot_device: boot device object from bios page 2
305 *
306 * Returns 1 when there's a match, 0 means no match.
307 */
308static inline int
309_scsih_srch_boot_sas_address(u64 sas_address,
310 Mpi2BootDeviceSasWwid_t *boot_device)
311{
312 return (sas_address == le64_to_cpu(boot_device->SASAddress)) ? 1 : 0;
313}
314
315/**
316 * _scsih_srch_boot_device_name - search based on device name
317 * @device_name: device name specified in INDENTIFY fram
318 * @boot_device: boot device object from bios page 2
319 *
320 * Returns 1 when there's a match, 0 means no match.
321 */
322static inline int
323_scsih_srch_boot_device_name(u64 device_name,
324 Mpi2BootDeviceDeviceName_t *boot_device)
325{
326 return (device_name == le64_to_cpu(boot_device->DeviceName)) ? 1 : 0;
327}
328
329/**
330 * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot
331 * @enclosure_logical_id: enclosure logical id
332 * @slot_number: slot number
333 * @boot_device: boot device object from bios page 2
334 *
335 * Returns 1 when there's a match, 0 means no match.
336 */
337static inline int
338_scsih_srch_boot_encl_slot(u64 enclosure_logical_id, u16 slot_number,
339 Mpi2BootDeviceEnclosureSlot_t *boot_device)
340{
341 return (enclosure_logical_id == le64_to_cpu(boot_device->
342 EnclosureLogicalID) && slot_number == le16_to_cpu(boot_device->
343 SlotNumber)) ? 1 : 0;
344}
345
346/**
347 * _scsih_is_boot_device - search for matching boot device.
348 * @sas_address: sas address
349 * @device_name: device name specified in INDENTIFY fram
350 * @enclosure_logical_id: enclosure logical id
351 * @slot_number: slot number
352 * @form: specifies boot device form
353 * @boot_device: boot device object from bios page 2
354 *
355 * Returns 1 when there's a match, 0 means no match.
356 */
357static int
358_scsih_is_boot_device(u64 sas_address, u64 device_name,
359 u64 enclosure_logical_id, u16 slot, u8 form,
360 Mpi2BiosPage2BootDevice_t *boot_device)
361{
362 int rc = 0;
363
364 switch (form) {
365 case MPI2_BIOSPAGE2_FORM_SAS_WWID:
366 if (!sas_address)
367 break;
368 rc = _scsih_srch_boot_sas_address(
369 sas_address, &boot_device->SasWwid);
370 break;
371 case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT:
372 if (!enclosure_logical_id)
373 break;
374 rc = _scsih_srch_boot_encl_slot(
375 enclosure_logical_id,
376 slot, &boot_device->EnclosureSlot);
377 break;
378 case MPI2_BIOSPAGE2_FORM_DEVICE_NAME:
379 if (!device_name)
380 break;
381 rc = _scsih_srch_boot_device_name(
382 device_name, &boot_device->DeviceName);
383 break;
384 case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED:
385 break;
386 }
387
388 return rc;
389}
390
391/**
392 * _scsih_get_sas_address - set the sas_address for given device handle
393 * @handle: device handle
394 * @sas_address: sas address
395 *
396 * Returns 0 success, non-zero when failure
397 */
398static int
399_scsih_get_sas_address(struct MPT3SAS_ADAPTER *ioc, u16 handle,
400 u64 *sas_address)
401{
402 Mpi2SasDevicePage0_t sas_device_pg0;
403 Mpi2ConfigReply_t mpi_reply;
404 u32 ioc_status;
405
406 *sas_address = 0;
407
408 if (handle <= ioc->sas_hba.num_phys) {
409 *sas_address = ioc->sas_hba.sas_address;
410 return 0;
411 }
412
413 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
414 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
415 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", ioc->name,
416 __FILE__, __LINE__, __func__);
417 return -ENXIO;
418 }
419
420 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
421 if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
422 *sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
423 return 0;
424 }
425
6c7abffc 426 /* we hit this because the given parent handle doesn't exist */
f92363d1
SR		 427 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
428 return -ENXIO;
429
430 /* else error case */
431 pr_err(MPT3SAS_FMT
432 "handle(0x%04x), ioc_status(0x%04x), failure at %s:%d/%s()!\n",
433 ioc->name, handle, ioc_status,
434 __FILE__, __LINE__, __func__);
435 return -EIO;
436}
437
438/**
439 * _scsih_determine_boot_device - determine boot device.
440 * @ioc: per adapter object
441 * @device: either sas_device or raid_device object
442 * @is_raid: [flag] 1 = raid object, 0 = sas object
443 *
444 * Determines whether this device should be first reported device to
445 * to scsi-ml or sas transport, this purpose is for persistent boot device.
446 * There are primary, alternate, and current entries in bios page 2. The order
447 * priority is primary, alternate, then current. This routine saves
448 * the corresponding device object and is_raid flag in the ioc object.
449 * The saved data to be used later in _scsih_probe_boot_devices().
450 */
451static void
452_scsih_determine_boot_device(struct MPT3SAS_ADAPTER *ioc,
453 void *device, u8 is_raid)
454{
455 struct _sas_device *sas_device;
456 struct _raid_device *raid_device;
457 u64 sas_address;
458 u64 device_name;
459 u64 enclosure_logical_id;
460 u16 slot;
461
462 /* only process this function when driver loads */
463 if (!ioc->is_driver_loading)
464 return;
465
466 /* no Bios, return immediately */
467 if (!ioc->bios_pg3.BiosVersion)
468 return;
469
470 if (!is_raid) {
471 sas_device = device;
472 sas_address = sas_device->sas_address;
473 device_name = sas_device->device_name;
474 enclosure_logical_id = sas_device->enclosure_logical_id;
475 slot = sas_device->slot;
476 } else {
477 raid_device = device;
478 sas_address = raid_device->wwid;
479 device_name = 0;
480 enclosure_logical_id = 0;
481 slot = 0;
482 }
483
484 if (!ioc->req_boot_device.device) {
485 if (_scsih_is_boot_device(sas_address, device_name,
486 enclosure_logical_id, slot,
487 (ioc->bios_pg2.ReqBootDeviceForm &
488 MPI2_BIOSPAGE2_FORM_MASK),
489 &ioc->bios_pg2.RequestedBootDevice)) {
490 dinitprintk(ioc, pr_info(MPT3SAS_FMT
491 "%s: req_boot_device(0x%016llx)\n",
492 ioc->name, __func__,
493 (unsigned long long)sas_address));
494 ioc->req_boot_device.device = device;
495 ioc->req_boot_device.is_raid = is_raid;
496 }
497 }
498
499 if (!ioc->req_alt_boot_device.device) {
500 if (_scsih_is_boot_device(sas_address, device_name,
501 enclosure_logical_id, slot,
502 (ioc->bios_pg2.ReqAltBootDeviceForm &
503 MPI2_BIOSPAGE2_FORM_MASK),
504 &ioc->bios_pg2.RequestedAltBootDevice)) {
505 dinitprintk(ioc, pr_info(MPT3SAS_FMT
506 "%s: req_alt_boot_device(0x%016llx)\n",
507 ioc->name, __func__,
508 (unsigned long long)sas_address));
509 ioc->req_alt_boot_device.device = device;
510 ioc->req_alt_boot_device.is_raid = is_raid;
511 }
512 }
513
514 if (!ioc->current_boot_device.device) {
515 if (_scsih_is_boot_device(sas_address, device_name,
516 enclosure_logical_id, slot,
517 (ioc->bios_pg2.CurrentBootDeviceForm &
518 MPI2_BIOSPAGE2_FORM_MASK),
519 &ioc->bios_pg2.CurrentBootDevice)) {
520 dinitprintk(ioc, pr_info(MPT3SAS_FMT
521 "%s: current_boot_device(0x%016llx)\n",
522 ioc->name, __func__,
523 (unsigned long long)sas_address));
524 ioc->current_boot_device.device = device;
525 ioc->current_boot_device.is_raid = is_raid;
526 }
527 }
528}
529
d1cb5e49
SR		 530static struct _sas_device *
531__mpt3sas_get_sdev_from_target(struct MPT3SAS_ADAPTER *ioc,
532 struct MPT3SAS_TARGET *tgt_priv)
533{
534 struct _sas_device *ret;
535
536 assert_spin_locked(&ioc->sas_device_lock);
537
538 ret = tgt_priv->sdev;
539 if (ret)
540 sas_device_get(ret);
541
542 return ret;
543}
544
545static struct _sas_device *
546mpt3sas_get_sdev_from_target(struct MPT3SAS_ADAPTER *ioc,
547 struct MPT3SAS_TARGET *tgt_priv)
548{
549 struct _sas_device *ret;
550 unsigned long flags;
551
552 spin_lock_irqsave(&ioc->sas_device_lock, flags);
553 ret = __mpt3sas_get_sdev_from_target(ioc, tgt_priv);
554 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
555
556 return ret;
557}
558
559
560struct _sas_device *
561__mpt3sas_get_sdev_by_addr(struct MPT3SAS_ADAPTER *ioc,
562 u64 sas_address)
563{
564 struct _sas_device *sas_device;
565
566 assert_spin_locked(&ioc->sas_device_lock);
567
568 list_for_each_entry(sas_device, &ioc->sas_device_list, list)
569 if (sas_device->sas_address == sas_address)
570 goto found_device;
571
572 list_for_each_entry(sas_device, &ioc->sas_device_init_list, list)
573 if (sas_device->sas_address == sas_address)
574 goto found_device;
575
576 return NULL;
577
578found_device:
579 sas_device_get(sas_device);
580 return sas_device;
581}
582
f92363d1 583/**
d1cb5e49 584 * mpt3sas_get_sdev_by_addr - sas device search
f92363d1
SR		 585 * @ioc: per adapter object
586 * @sas_address: sas address
587 * Context: Calling function should acquire ioc->sas_device_lock
588 *
589 * This searches for sas_device based on sas_address, then return sas_device
590 * object.
591 */
592struct _sas_device *
d1cb5e49 593mpt3sas_get_sdev_by_addr(struct MPT3SAS_ADAPTER *ioc,
f92363d1
SR		 594 u64 sas_address)
595{
596 struct _sas_device *sas_device;
d1cb5e49
SR		 597 unsigned long flags;
598
599 spin_lock_irqsave(&ioc->sas_device_lock, flags);
600 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
601 sas_address);
602 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
603
604 return sas_device;
605}
606
607static struct _sas_device *
608__mpt3sas_get_sdev_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
609{
610 struct _sas_device *sas_device;
611
612 assert_spin_locked(&ioc->sas_device_lock);
f92363d1
SR		 613
614 list_for_each_entry(sas_device, &ioc->sas_device_list, list)
d1cb5e49
SR		 615 if (sas_device->handle == handle)
616 goto found_device;
f92363d1
SR		 617
618 list_for_each_entry(sas_device, &ioc->sas_device_init_list, list)
d1cb5e49
SR		 619 if (sas_device->handle == handle)
620 goto found_device;
f92363d1
SR		 621
622 return NULL;
d1cb5e49
SR		 623
624found_device:
625 sas_device_get(sas_device);
626 return sas_device;
f92363d1
SR		 627}
628
629/**
d1cb5e49 630 * mpt3sas_get_sdev_by_handle - sas device search
f92363d1
SR		 631 * @ioc: per adapter object
632 * @handle: sas device handle (assigned by firmware)
633 * Context: Calling function should acquire ioc->sas_device_lock
634 *
635 * This searches for sas_device based on sas_address, then return sas_device
636 * object.
637 */
638static struct _sas_device *
d1cb5e49 639mpt3sas_get_sdev_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
f92363d1
SR		 640{
641 struct _sas_device *sas_device;
d1cb5e49 642 unsigned long flags;
f92363d1 643
d1cb5e49
SR		 644 spin_lock_irqsave(&ioc->sas_device_lock, flags);
645 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
646 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
f92363d1 647
d1cb5e49 648 return sas_device;
f92363d1
SR		 649}
650
651/**
652 * _scsih_sas_device_remove - remove sas_device from list.
653 * @ioc: per adapter object
654 * @sas_device: the sas_device object
655 * Context: This function will acquire ioc->sas_device_lock.
656 *
d1cb5e49 657 * If sas_device is on the list, remove it and decrement its reference count.
f92363d1
SR		 658 */
659static void
660_scsih_sas_device_remove(struct MPT3SAS_ADAPTER *ioc,
661 struct _sas_device *sas_device)
662{
663 unsigned long flags;
664
665 if (!sas_device)
666 return;
e6d45e3e
SR		 667 pr_info(MPT3SAS_FMT
668 "removing handle(0x%04x), sas_addr(0x%016llx)\n",
669 ioc->name, sas_device->handle,
670 (unsigned long long) sas_device->sas_address);
671
672 if (sas_device->enclosure_handle != 0)
673 pr_info(MPT3SAS_FMT
674 "removing enclosure logical id(0x%016llx), slot(%d)\n",
675 ioc->name, (unsigned long long)
676 sas_device->enclosure_logical_id, sas_device->slot);
677
678 if (sas_device->connector_name[0] != '\0')
679 pr_info(MPT3SAS_FMT
680 "removing enclosure level(0x%04x), connector name( %s)\n",
681 ioc->name, sas_device->enclosure_level,
682 sas_device->connector_name);
f92363d1 683
d1cb5e49
SR		 684 /*
685 * The lock serializes access to the list, but we still need to verify
686 * that nobody removed the entry while we were waiting on the lock.
687 */
f92363d1 688 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49
SR		 689 if (!list_empty(&sas_device->list)) {
690 list_del_init(&sas_device->list);
691 sas_device_put(sas_device);
692 }
f92363d1
SR		 693 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
694}
695
696/**
697 * _scsih_device_remove_by_handle - removing device object by handle
698 * @ioc: per adapter object
699 * @handle: device handle
700 *
701 * Return nothing.
702 */
703static void
704_scsih_device_remove_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
705{
706 struct _sas_device *sas_device;
707 unsigned long flags;
708
709 if (ioc->shost_recovery)
710 return;
711
712 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49
SR		 713 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
714 if (sas_device) {
715 list_del_init(&sas_device->list);
716 sas_device_put(sas_device);
717 }
f92363d1 718 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
d1cb5e49 719 if (sas_device) {
f92363d1 720 _scsih_remove_device(ioc, sas_device);
d1cb5e49
SR		 721 sas_device_put(sas_device);
722 }
f92363d1
SR		 723}
724
725/**
726 * mpt3sas_device_remove_by_sas_address - removing device object by sas address
727 * @ioc: per adapter object
728 * @sas_address: device sas_address
729 *
730 * Return nothing.
731 */
732void
733mpt3sas_device_remove_by_sas_address(struct MPT3SAS_ADAPTER *ioc,
734 u64 sas_address)
735{
736 struct _sas_device *sas_device;
737 unsigned long flags;
738
739 if (ioc->shost_recovery)
740 return;
741
742 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49
SR		 743 sas_device = __mpt3sas_get_sdev_by_addr(ioc, sas_address);
744 if (sas_device) {
745 list_del_init(&sas_device->list);
746 sas_device_put(sas_device);
747 }
f92363d1 748 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
d1cb5e49 749 if (sas_device) {
f92363d1 750 _scsih_remove_device(ioc, sas_device);
d1cb5e49
SR		 751 sas_device_put(sas_device);
752 }
f92363d1
SR		 753}
754
755/**
756 * _scsih_sas_device_add - insert sas_device to the list.
757 * @ioc: per adapter object
758 * @sas_device: the sas_device object
759 * Context: This function will acquire ioc->sas_device_lock.
760 *
761 * Adding new object to the ioc->sas_device_list.
762 */
763static void
764_scsih_sas_device_add(struct MPT3SAS_ADAPTER *ioc,
765 struct _sas_device *sas_device)
766{
767 unsigned long flags;
768
769 dewtprintk(ioc, pr_info(MPT3SAS_FMT
770 "%s: handle(0x%04x), sas_addr(0x%016llx)\n",
771 ioc->name, __func__, sas_device->handle,
772 (unsigned long long)sas_device->sas_address));
773
e6d45e3e
SR		 774 if (sas_device->enclosure_handle != 0)
775 dewtprintk(ioc, pr_info(MPT3SAS_FMT
776 "%s: enclosure logical id(0x%016llx), slot( %d)\n",
777 ioc->name, __func__, (unsigned long long)
778 sas_device->enclosure_logical_id, sas_device->slot));
779
780 if (sas_device->connector_name[0] != '\0')
781 dewtprintk(ioc, pr_info(MPT3SAS_FMT
782 "%s: enclosure level(0x%04x), connector name( %s)\n",
783 ioc->name, __func__,
784 sas_device->enclosure_level, sas_device->connector_name));
785
f92363d1 786 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 787 sas_device_get(sas_device);
f92363d1
SR		 788 list_add_tail(&sas_device->list, &ioc->sas_device_list);
789 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
790
c696f7b8
SPS		 791 if (ioc->hide_drives) {
792 clear_bit(sas_device->handle, ioc->pend_os_device_add);
793 return;
794 }
795
f92363d1
SR		 796 if (!mpt3sas_transport_port_add(ioc, sas_device->handle,
797 sas_device->sas_address_parent)) {
798 _scsih_sas_device_remove(ioc, sas_device);
799 } else if (!sas_device->starget) {
800 /*
801 * When asyn scanning is enabled, its not possible to remove
802 * devices while scanning is turned on due to an oops in
803 * scsi_sysfs_add_sdev()->add_device()->sysfs_addrm_start()
804 */
f5edbe77 805 if (!ioc->is_driver_loading) {
f92363d1
SR		 806 mpt3sas_transport_port_remove(ioc,
807 sas_device->sas_address,
808 sas_device->sas_address_parent);
f5edbe77
SR		 809 _scsih_sas_device_remove(ioc, sas_device);
810 }
c696f7b8
SPS		 811 } else
812 clear_bit(sas_device->handle, ioc->pend_os_device_add);
f92363d1
SR		 813}
814
815/**
816 * _scsih_sas_device_init_add - insert sas_device to the list.
817 * @ioc: per adapter object
818 * @sas_device: the sas_device object
819 * Context: This function will acquire ioc->sas_device_lock.
820 *
821 * Adding new object at driver load time to the ioc->sas_device_init_list.
822 */
823static void
824_scsih_sas_device_init_add(struct MPT3SAS_ADAPTER *ioc,
825 struct _sas_device *sas_device)
826{
827 unsigned long flags;
828
829 dewtprintk(ioc, pr_info(MPT3SAS_FMT
830 "%s: handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name,
831 __func__, sas_device->handle,
832 (unsigned long long)sas_device->sas_address));
833
e6d45e3e
SR		 834 if (sas_device->enclosure_handle != 0)
835 dewtprintk(ioc, pr_info(MPT3SAS_FMT
836 "%s: enclosure logical id(0x%016llx), slot( %d)\n",
837 ioc->name, __func__, (unsigned long long)
838 sas_device->enclosure_logical_id, sas_device->slot));
839
840 if (sas_device->connector_name[0] != '\0')
841 dewtprintk(ioc, pr_info(MPT3SAS_FMT
842 "%s: enclosure level(0x%04x), connector name( %s)\n",
843 ioc->name, __func__, sas_device->enclosure_level,
844 sas_device->connector_name));
845
f92363d1 846 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 847 sas_device_get(sas_device);
f92363d1
SR		 848 list_add_tail(&sas_device->list, &ioc->sas_device_init_list);
849 _scsih_determine_boot_device(ioc, sas_device, 0);
850 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
851}
852
853/**
854 * _scsih_raid_device_find_by_id - raid device search
855 * @ioc: per adapter object
856 * @id: sas device target id
857 * @channel: sas device channel
858 * Context: Calling function should acquire ioc->raid_device_lock
859 *
860 * This searches for raid_device based on target id, then return raid_device
861 * object.
862 */
863static struct _raid_device *
864_scsih_raid_device_find_by_id(struct MPT3SAS_ADAPTER *ioc, int id, int channel)
865{
866 struct _raid_device *raid_device, *r;
867
868 r = NULL;
869 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
870 if (raid_device->id == id && raid_device->channel == channel) {
871 r = raid_device;
872 goto out;
873 }
874 }
875
876 out:
877 return r;
878}
879
880/**
c84b06a4 881 * mpt3sas_raid_device_find_by_handle - raid device search
f92363d1
SR		 882 * @ioc: per adapter object
883 * @handle: sas device handle (assigned by firmware)
884 * Context: Calling function should acquire ioc->raid_device_lock
885 *
886 * This searches for raid_device based on handle, then return raid_device
887 * object.
888 */
c84b06a4
SR		 889struct _raid_device *
890mpt3sas_raid_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
f92363d1
SR		 891{
892 struct _raid_device *raid_device, *r;
893
894 r = NULL;
895 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
896 if (raid_device->handle != handle)
897 continue;
898 r = raid_device;
899 goto out;
900 }
901
902 out:
903 return r;
904}
905
906/**
907 * _scsih_raid_device_find_by_wwid - raid device search
908 * @ioc: per adapter object
909 * @handle: sas device handle (assigned by firmware)
910 * Context: Calling function should acquire ioc->raid_device_lock
911 *
912 * This searches for raid_device based on wwid, then return raid_device
913 * object.
914 */
915static struct _raid_device *
916_scsih_raid_device_find_by_wwid(struct MPT3SAS_ADAPTER *ioc, u64 wwid)
917{
918 struct _raid_device *raid_device, *r;
919
920 r = NULL;
921 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
922 if (raid_device->wwid != wwid)
923 continue;
924 r = raid_device;
925 goto out;
926 }
927
928 out:
929 return r;
930}
931
932/**
933 * _scsih_raid_device_add - add raid_device object
934 * @ioc: per adapter object
935 * @raid_device: raid_device object
936 *
937 * This is added to the raid_device_list link list.
938 */
939static void
940_scsih_raid_device_add(struct MPT3SAS_ADAPTER *ioc,
941 struct _raid_device *raid_device)
942{
943 unsigned long flags;
944
945 dewtprintk(ioc, pr_info(MPT3SAS_FMT
946 "%s: handle(0x%04x), wwid(0x%016llx)\n", ioc->name, __func__,
947 raid_device->handle, (unsigned long long)raid_device->wwid));
948
949 spin_lock_irqsave(&ioc->raid_device_lock, flags);
950 list_add_tail(&raid_device->list, &ioc->raid_device_list);
951 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
952}
953
954/**
955 * _scsih_raid_device_remove - delete raid_device object
956 * @ioc: per adapter object
957 * @raid_device: raid_device object
958 *
959 */
960static void
961_scsih_raid_device_remove(struct MPT3SAS_ADAPTER *ioc,
962 struct _raid_device *raid_device)
963{
964 unsigned long flags;
965
966 spin_lock_irqsave(&ioc->raid_device_lock, flags);
967 list_del(&raid_device->list);
968 kfree(raid_device);
969 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
970}
971
972/**
973 * mpt3sas_scsih_expander_find_by_handle - expander device search
974 * @ioc: per adapter object
975 * @handle: expander handle (assigned by firmware)
976 * Context: Calling function should acquire ioc->sas_device_lock
977 *
978 * This searches for expander device based on handle, then returns the
979 * sas_node object.
980 */
981struct _sas_node *
982mpt3sas_scsih_expander_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
983{
984 struct _sas_node *sas_expander, *r;
985
986 r = NULL;
987 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
988 if (sas_expander->handle != handle)
989 continue;
990 r = sas_expander;
991 goto out;
992 }
993 out:
994 return r;
995}
996
997/**
998 * mpt3sas_scsih_expander_find_by_sas_address - expander device search
999 * @ioc: per adapter object
1000 * @sas_address: sas address
1001 * Context: Calling function should acquire ioc->sas_node_lock.
1002 *
1003 * This searches for expander device based on sas_address, then returns the
1004 * sas_node object.
1005 */
1006struct _sas_node *
1007mpt3sas_scsih_expander_find_by_sas_address(struct MPT3SAS_ADAPTER *ioc,
1008 u64 sas_address)
1009{
1010 struct _sas_node *sas_expander, *r;
1011
1012 r = NULL;
1013 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
1014 if (sas_expander->sas_address != sas_address)
1015 continue;
1016 r = sas_expander;
1017 goto out;
1018 }
1019 out:
1020 return r;
1021}
1022
1023/**
1024 * _scsih_expander_node_add - insert expander device to the list.
1025 * @ioc: per adapter object
1026 * @sas_expander: the sas_device object
1027 * Context: This function will acquire ioc->sas_node_lock.
1028 *
1029 * Adding new object to the ioc->sas_expander_list.
1030 *
1031 * Return nothing.
1032 */
1033static void
1034_scsih_expander_node_add(struct MPT3SAS_ADAPTER *ioc,
1035 struct _sas_node *sas_expander)
1036{
1037 unsigned long flags;
1038
1039 spin_lock_irqsave(&ioc->sas_node_lock, flags);
1040 list_add_tail(&sas_expander->list, &ioc->sas_expander_list);
1041 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
1042}
1043
1044/**
1045 * _scsih_is_end_device - determines if device is an end device
1046 * @device_info: bitfield providing information about the device.
1047 * Context: none
1048 *
1049 * Returns 1 if end device.
1050 */
1051static int
1052_scsih_is_end_device(u32 device_info)
1053{
1054 if (device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE &&
1055 ((device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) |
1056 (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) |
1057 (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)))
1058 return 1;
1059 else
1060 return 0;
1061}
1062
1063/**
1064 * _scsih_scsi_lookup_get - returns scmd entry
1065 * @ioc: per adapter object
1066 * @smid: system request message index
1067 *
1068 * Returns the smid stored scmd pointer.
1069 */
1070static struct scsi_cmnd *
1071_scsih_scsi_lookup_get(struct MPT3SAS_ADAPTER *ioc, u16 smid)
1072{
1073 return ioc->scsi_lookup[smid - 1].scmd;
1074}
1075
1076/**
1077 * _scsih_scsi_lookup_get_clear - returns scmd entry
1078 * @ioc: per adapter object
1079 * @smid: system request message index
1080 *
1081 * Returns the smid stored scmd pointer.
1082 * Then will derefrence the stored scmd pointer.
1083 */
1084static inline struct scsi_cmnd *
1085_scsih_scsi_lookup_get_clear(struct MPT3SAS_ADAPTER *ioc, u16 smid)
1086{
1087 unsigned long flags;
1088 struct scsi_cmnd *scmd;
1089
1090 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1091 scmd = ioc->scsi_lookup[smid - 1].scmd;
1092 ioc->scsi_lookup[smid - 1].scmd = NULL;
1093 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1094
1095 return scmd;
1096}
1097
1098/**
1099 * _scsih_scsi_lookup_find_by_scmd - scmd lookup
1100 * @ioc: per adapter object
1101 * @smid: system request message index
1102 * @scmd: pointer to scsi command object
1103 * Context: This function will acquire ioc->scsi_lookup_lock.
1104 *
1105 * This will search for a scmd pointer in the scsi_lookup array,
1106 * returning the revelent smid. A returned value of zero means invalid.
1107 */
1108static u16
1109_scsih_scsi_lookup_find_by_scmd(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd
1110 *scmd)
1111{
1112 u16 smid;
1113 unsigned long flags;
1114 int i;
1115
1116 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1117 smid = 0;
1118 for (i = 0; i < ioc->scsiio_depth; i++) {
1119 if (ioc->scsi_lookup[i].scmd == scmd) {
1120 smid = ioc->scsi_lookup[i].smid;
1121 goto out;
1122 }
1123 }
1124 out:
1125 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1126 return smid;
1127}
1128
1129/**
1130 * _scsih_scsi_lookup_find_by_target - search for matching channel:id
1131 * @ioc: per adapter object
1132 * @id: target id
1133 * @channel: channel
1134 * Context: This function will acquire ioc->scsi_lookup_lock.
1135 *
1136 * This will search for a matching channel:id in the scsi_lookup array,
1137 * returning 1 if found.
1138 */
1139static u8
1140_scsih_scsi_lookup_find_by_target(struct MPT3SAS_ADAPTER *ioc, int id,
1141 int channel)
1142{
1143 u8 found;
1144 unsigned long flags;
1145 int i;
1146
1147 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1148 found = 0;
1149 for (i = 0 ; i < ioc->scsiio_depth; i++) {
1150 if (ioc->scsi_lookup[i].scmd &&
1151 (ioc->scsi_lookup[i].scmd->device->id == id &&
1152 ioc->scsi_lookup[i].scmd->device->channel == channel)) {
1153 found = 1;
1154 goto out;
1155 }
1156 }
1157 out:
1158 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1159 return found;
1160}
1161
1162/**
1163 * _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun
1164 * @ioc: per adapter object
1165 * @id: target id
1166 * @lun: lun number
1167 * @channel: channel
1168 * Context: This function will acquire ioc->scsi_lookup_lock.
1169 *
1170 * This will search for a matching channel:id:lun in the scsi_lookup array,
1171 * returning 1 if found.
1172 */
1173static u8
1174_scsih_scsi_lookup_find_by_lun(struct MPT3SAS_ADAPTER *ioc, int id,
1175 unsigned int lun, int channel)
1176{
1177 u8 found;
1178 unsigned long flags;
1179 int i;
1180
1181 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1182 found = 0;
1183 for (i = 0 ; i < ioc->scsiio_depth; i++) {
1184 if (ioc->scsi_lookup[i].scmd &&
1185 (ioc->scsi_lookup[i].scmd->device->id == id &&
1186 ioc->scsi_lookup[i].scmd->device->channel == channel &&
1187 ioc->scsi_lookup[i].scmd->device->lun == lun)) {
1188 found = 1;
1189 goto out;
1190 }
1191 }
1192 out:
1193 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1194 return found;
1195}
1196
cf75d5d6 1197/**
8a7e4c24 1198 * scsih_change_queue_depth - setting device queue depth
cf75d5d6
CH		 1199 * @sdev: scsi device struct
1200 * @qdepth: requested queue depth
1201 *
1202 * Returns queue depth.
1203 */
8bbb1cf6 1204static int
8a7e4c24 1205scsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
f92363d1
SR		 1206{
1207 struct Scsi_Host *shost = sdev->host;
1208 int max_depth;
1209 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
1210 struct MPT3SAS_DEVICE *sas_device_priv_data;
1211 struct MPT3SAS_TARGET *sas_target_priv_data;
1212 struct _sas_device *sas_device;
1213 unsigned long flags;
1214
1215 max_depth = shost->can_queue;
1216
1217 /* limit max device queue for SATA to 32 */
1218 sas_device_priv_data = sdev->hostdata;
1219 if (!sas_device_priv_data)
1220 goto not_sata;
1221 sas_target_priv_data = sas_device_priv_data->sas_target;
1222 if (!sas_target_priv_data)
1223 goto not_sata;
1224 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))
1225 goto not_sata;
d1cb5e49 1226
f92363d1 1227 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49
SR		 1228 sas_device = __mpt3sas_get_sdev_from_target(ioc, sas_target_priv_data);
1229 if (sas_device) {
1230 if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
1231 max_depth = MPT3SAS_SATA_QUEUE_DEPTH;
1232
1233 sas_device_put(sas_device);
1234 }
f92363d1
SR		 1235 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1236
1237 not_sata:
1238
1239 if (!sdev->tagged_supported)
1240 max_depth = 1;
1241 if (qdepth > max_depth)
1242 qdepth = max_depth;
cf75d5d6 1243 return scsi_change_queue_depth(sdev, qdepth);
f92363d1
SR		 1244}
1245
f92363d1 1246/**
8a7e4c24 1247 * scsih_target_alloc - target add routine
f92363d1
SR		 1248 * @starget: scsi target struct
1249 *
1250 * Returns 0 if ok. Any other return is assumed to be an error and
1251 * the device is ignored.
1252 */
8bbb1cf6 1253static int
8a7e4c24 1254scsih_target_alloc(struct scsi_target *starget)
f92363d1
SR		 1255{
1256 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
1257 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
1258 struct MPT3SAS_TARGET *sas_target_priv_data;
1259 struct _sas_device *sas_device;
1260 struct _raid_device *raid_device;
1261 unsigned long flags;
1262 struct sas_rphy *rphy;
1263
62c4da44
JL		 1264 sas_target_priv_data = kzalloc(sizeof(*sas_target_priv_data),
1265 GFP_KERNEL);
f92363d1
SR		 1266 if (!sas_target_priv_data)
1267 return -ENOMEM;
1268
1269 starget->hostdata = sas_target_priv_data;
1270 sas_target_priv_data->starget = starget;
1271 sas_target_priv_data->handle = MPT3SAS_INVALID_DEVICE_HANDLE;
1272
1273 /* RAID volumes */
1274 if (starget->channel == RAID_CHANNEL) {
1275 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1276 raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
1277 starget->channel);
1278 if (raid_device) {
1279 sas_target_priv_data->handle = raid_device->handle;
1280 sas_target_priv_data->sas_address = raid_device->wwid;
1281 sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME;
7786ab6a 1282 if (ioc->is_warpdrive)
6d3a56ed
SR		 1283 sas_target_priv_data->raid_device = raid_device;
1284 raid_device->starget = starget;
f92363d1
SR		 1285 }
1286 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1287 return 0;
1288 }
1289
1290 /* sas/sata devices */
1291 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1292 rphy = dev_to_rphy(starget->dev.parent);
d1cb5e49 1293 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
f92363d1
SR		 1294 rphy->identify.sas_address);
1295
1296 if (sas_device) {
1297 sas_target_priv_data->handle = sas_device->handle;
1298 sas_target_priv_data->sas_address = sas_device->sas_address;
d1cb5e49 1299 sas_target_priv_data->sdev = sas_device;
f92363d1
SR		 1300 sas_device->starget = starget;
1301 sas_device->id = starget->id;
1302 sas_device->channel = starget->channel;
1303 if (test_bit(sas_device->handle, ioc->pd_handles))
1304 sas_target_priv_data->flags |=
1305 MPT_TARGET_FLAGS_RAID_COMPONENT;
1306 if (sas_device->fast_path)
1307 sas_target_priv_data->flags |= MPT_TARGET_FASTPATH_IO;
1308 }
1309 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1310
1311 return 0;
1312}
1313
1314/**
8a7e4c24 1315 * scsih_target_destroy - target destroy routine
f92363d1
SR		 1316 * @starget: scsi target struct
1317 *
1318 * Returns nothing.
1319 */
8bbb1cf6 1320static void
8a7e4c24 1321scsih_target_destroy(struct scsi_target *starget)
f92363d1
SR		 1322{
1323 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
1324 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
1325 struct MPT3SAS_TARGET *sas_target_priv_data;
1326 struct _sas_device *sas_device;
1327 struct _raid_device *raid_device;
1328 unsigned long flags;
f92363d1
SR		 1329
1330 sas_target_priv_data = starget->hostdata;
1331 if (!sas_target_priv_data)
1332 return;
1333
1334 if (starget->channel == RAID_CHANNEL) {
1335 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1336 raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
1337 starget->channel);
1338 if (raid_device) {
1339 raid_device->starget = NULL;
1340 raid_device->sdev = NULL;
1341 }
1342 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1343 goto out;
1344 }
1345
1346 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 1347 sas_device = __mpt3sas_get_sdev_from_target(ioc, sas_target_priv_data);
f92363d1
SR		 1348 if (sas_device && (sas_device->starget == starget) &&
1349 (sas_device->id == starget->id) &&
1350 (sas_device->channel == starget->channel))
1351 sas_device->starget = NULL;
1352
d1cb5e49
SR		 1353 if (sas_device) {
1354 /*
1355 * Corresponding get() is in _scsih_target_alloc()
1356 */
1357 sas_target_priv_data->sdev = NULL;
1358 sas_device_put(sas_device);
1359
1360 sas_device_put(sas_device);
1361 }
f92363d1
SR		 1362 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1363
1364 out:
1365 kfree(sas_target_priv_data);
1366 starget->hostdata = NULL;
1367}
1368
1369/**
8a7e4c24 1370 * scsih_slave_alloc - device add routine
f92363d1
SR		 1371 * @sdev: scsi device struct
1372 *
1373 * Returns 0 if ok. Any other return is assumed to be an error and
1374 * the device is ignored.
1375 */
8bbb1cf6 1376static int
8a7e4c24 1377scsih_slave_alloc(struct scsi_device *sdev)
f92363d1
SR		 1378{
1379 struct Scsi_Host *shost;
1380 struct MPT3SAS_ADAPTER *ioc;
1381 struct MPT3SAS_TARGET *sas_target_priv_data;
1382 struct MPT3SAS_DEVICE *sas_device_priv_data;
1383 struct scsi_target *starget;
1384 struct _raid_device *raid_device;
b65cfedf 1385 struct _sas_device *sas_device;
f92363d1
SR		 1386 unsigned long flags;
1387
62c4da44
JL		 1388 sas_device_priv_data = kzalloc(sizeof(*sas_device_priv_data),
1389 GFP_KERNEL);
f92363d1
SR		 1390 if (!sas_device_priv_data)
1391 return -ENOMEM;
1392
1393 sas_device_priv_data->lun = sdev->lun;
1394 sas_device_priv_data->flags = MPT_DEVICE_FLAGS_INIT;
1395
1396 starget = scsi_target(sdev);
1397 sas_target_priv_data = starget->hostdata;
1398 sas_target_priv_data->num_luns++;
1399 sas_device_priv_data->sas_target = sas_target_priv_data;
1400 sdev->hostdata = sas_device_priv_data;
1401 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT))
1402 sdev->no_uld_attach = 1;
1403
1404 shost = dev_to_shost(&starget->dev);
1405 ioc = shost_priv(shost);
1406 if (starget->channel == RAID_CHANNEL) {
1407 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1408 raid_device = _scsih_raid_device_find_by_id(ioc,
1409 starget->id, starget->channel);
1410 if (raid_device)
1411 raid_device->sdev = sdev; /* raid is single lun */
1412 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1413 }
1414
b65cfedf
SR		 1415 if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) {
1416 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 1417 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
b65cfedf
SR		 1418 sas_target_priv_data->sas_address);
1419 if (sas_device && (sas_device->starget == NULL)) {
1420 sdev_printk(KERN_INFO, sdev,
1421 "%s : sas_device->starget set to starget @ %d\n",
d1cb5e49 1422 __func__, __LINE__);
b65cfedf
SR		 1423 sas_device->starget = starget;
1424 }
d1cb5e49
SR		 1425
1426 if (sas_device)
1427 sas_device_put(sas_device);
1428
b65cfedf
SR		 1429 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1430 }
1431
f92363d1
SR		 1432 return 0;
1433}
1434
1435/**
8a7e4c24 1436 * scsih_slave_destroy - device destroy routine
f92363d1
SR		 1437 * @sdev: scsi device struct
1438 *
1439 * Returns nothing.
1440 */
8bbb1cf6 1441static void
8a7e4c24 1442scsih_slave_destroy(struct scsi_device *sdev)
f92363d1
SR		 1443{
1444 struct MPT3SAS_TARGET *sas_target_priv_data;
1445 struct scsi_target *starget;
1446 struct Scsi_Host *shost;
1447 struct MPT3SAS_ADAPTER *ioc;
1448 struct _sas_device *sas_device;
1449 unsigned long flags;
1450
1451 if (!sdev->hostdata)
1452 return;
1453
1454 starget = scsi_target(sdev);
1455 sas_target_priv_data = starget->hostdata;
1456 sas_target_priv_data->num_luns--;
1457
1458 shost = dev_to_shost(&starget->dev);
1459 ioc = shost_priv(shost);
1460
1461 if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) {
1462 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49
SR		 1463 sas_device = __mpt3sas_get_sdev_from_target(ioc,
1464 sas_target_priv_data);
f92363d1
SR		 1465 if (sas_device && !sas_target_priv_data->num_luns)
1466 sas_device->starget = NULL;
d1cb5e49
SR		 1467
1468 if (sas_device)
1469 sas_device_put(sas_device);
f92363d1
SR		 1470 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1471 }
1472
1473 kfree(sdev->hostdata);
1474 sdev->hostdata = NULL;
1475}
1476
1477/**
1478 * _scsih_display_sata_capabilities - sata capabilities
1479 * @ioc: per adapter object
1480 * @handle: device handle
1481 * @sdev: scsi device struct
1482 */
1483static void
1484_scsih_display_sata_capabilities(struct MPT3SAS_ADAPTER *ioc,
1485 u16 handle, struct scsi_device *sdev)
1486{
1487 Mpi2ConfigReply_t mpi_reply;
1488 Mpi2SasDevicePage0_t sas_device_pg0;
1489 u32 ioc_status;
1490 u16 flags;
1491 u32 device_info;
1492
1493 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
1494 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
1495 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
1496 ioc->name, __FILE__, __LINE__, __func__);
1497 return;
1498 }
1499
1500 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
1501 MPI2_IOCSTATUS_MASK;
1502 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
1503 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
1504 ioc->name, __FILE__, __LINE__, __func__);
1505 return;
1506 }
1507
1508 flags = le16_to_cpu(sas_device_pg0.Flags);
1509 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
1510
1511 sdev_printk(KERN_INFO, sdev,
1512 "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), "
1513 "sw_preserve(%s)\n",
1514 (device_info & MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? "y" : "n",
1515 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED) ? "y" : "n",
1516 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY) ? "y" :
1517 "n",
1518 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED) ? "y" : "n",
1519 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED) ? "y" : "n",
1520 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE) ? "y" : "n");
1521}
1522
1523/*
1524 * raid transport support -
1525 * Enabled for SLES11 and newer, in older kernels the driver will panic when
6c7abffc 1526 * unloading the driver followed by a load - I believe that the subroutine
f92363d1
SR		 1527 * raid_class_release() is not cleaning up properly.
1528 */
1529
1530/**
8a7e4c24 1531 * scsih_is_raid - return boolean indicating device is raid volume
f92363d1
SR		 1532 * @dev the device struct object
1533 */
8bbb1cf6 1534static int
8a7e4c24 1535scsih_is_raid(struct device *dev)
f92363d1
SR		 1536{
1537 struct scsi_device *sdev = to_scsi_device(dev);
7786ab6a 1538 struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host);
f92363d1 1539
7786ab6a
SR		 1540 if (ioc->is_warpdrive)
1541 return 0;
f92363d1
SR		 1542 return (sdev->channel == RAID_CHANNEL) ? 1 : 0;
1543}
1544
1545/**
8a7e4c24 1546 * scsih_get_resync - get raid volume resync percent complete
f92363d1
SR		 1547 * @dev the device struct object
1548 */
8bbb1cf6 1549static void
8a7e4c24 1550scsih_get_resync(struct device *dev)
f92363d1
SR		 1551{
1552 struct scsi_device *sdev = to_scsi_device(dev);
1553 struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host);
1554 static struct _raid_device *raid_device;
1555 unsigned long flags;
1556 Mpi2RaidVolPage0_t vol_pg0;
1557 Mpi2ConfigReply_t mpi_reply;
1558 u32 volume_status_flags;
1559 u8 percent_complete;
1560 u16 handle;
1561
1562 percent_complete = 0;
1563 handle = 0;
7786ab6a
SR		 1564 if (ioc->is_warpdrive)
1565 goto out;
1566
f92363d1
SR		 1567 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1568 raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id,
1569 sdev->channel);
1570 if (raid_device) {
1571 handle = raid_device->handle;
1572 percent_complete = raid_device->percent_complete;
1573 }
1574 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1575
1576 if (!handle)
1577 goto out;
1578
1579 if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0,
1580 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
1581 sizeof(Mpi2RaidVolPage0_t))) {
1582 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
1583 ioc->name, __FILE__, __LINE__, __func__);
1584 percent_complete = 0;
1585 goto out;
1586 }
1587
1588 volume_status_flags = le32_to_cpu(vol_pg0.VolumeStatusFlags);
1589 if (!(volume_status_flags &
1590 MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS))
1591 percent_complete = 0;
1592
1593 out:
b130b0d5
SS		 1594
1595 switch (ioc->hba_mpi_version_belonged) {
1596 case MPI2_VERSION:
c84b06a4 1597 raid_set_resync(mpt2sas_raid_template, dev, percent_complete);
b130b0d5
SS		 1598 break;
1599 case MPI25_VERSION:
1600 case MPI26_VERSION:
c84b06a4 1601 raid_set_resync(mpt3sas_raid_template, dev, percent_complete);
b130b0d5
SS		 1602 break;
1603 }
f92363d1
SR		 1604}
1605
1606/**
8a7e4c24 1607 * scsih_get_state - get raid volume level
f92363d1
SR		 1608 * @dev the device struct object
1609 */
8bbb1cf6 1610static void
8a7e4c24 1611scsih_get_state(struct device *dev)
f92363d1
SR		 1612{
1613 struct scsi_device *sdev = to_scsi_device(dev);
1614 struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host);
1615 static struct _raid_device *raid_device;
1616 unsigned long flags;
1617 Mpi2RaidVolPage0_t vol_pg0;
1618 Mpi2ConfigReply_t mpi_reply;
1619 u32 volstate;
1620 enum raid_state state = RAID_STATE_UNKNOWN;
1621 u16 handle = 0;
1622
1623 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1624 raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id,
1625 sdev->channel);
1626 if (raid_device)
1627 handle = raid_device->handle;
1628 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1629
1630 if (!raid_device)
1631 goto out;
1632
1633 if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0,
1634 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
1635 sizeof(Mpi2RaidVolPage0_t))) {
1636 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
1637 ioc->name, __FILE__, __LINE__, __func__);
1638 goto out;
1639 }
1640
1641 volstate = le32_to_cpu(vol_pg0.VolumeStatusFlags);
1642 if (volstate & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) {
1643 state = RAID_STATE_RESYNCING;
1644 goto out;
1645 }
1646
1647 switch (vol_pg0.VolumeState) {
1648 case MPI2_RAID_VOL_STATE_OPTIMAL:
1649 case MPI2_RAID_VOL_STATE_ONLINE:
1650 state = RAID_STATE_ACTIVE;
1651 break;
1652 case MPI2_RAID_VOL_STATE_DEGRADED:
1653 state = RAID_STATE_DEGRADED;
1654 break;
1655 case MPI2_RAID_VOL_STATE_FAILED:
1656 case MPI2_RAID_VOL_STATE_MISSING:
1657 state = RAID_STATE_OFFLINE;
1658 break;
1659 }
1660 out:
b130b0d5
SS		 1661 switch (ioc->hba_mpi_version_belonged) {
1662 case MPI2_VERSION:
c84b06a4 1663 raid_set_state(mpt2sas_raid_template, dev, state);
b130b0d5
SS		 1664 break;
1665 case MPI25_VERSION:
1666 case MPI26_VERSION:
c84b06a4 1667 raid_set_state(mpt3sas_raid_template, dev, state);
b130b0d5
SS		 1668 break;
1669 }
f92363d1
SR		 1670}
1671
1672/**
1673 * _scsih_set_level - set raid level
1674 * @sdev: scsi device struct
1675 * @volume_type: volume type
1676 */
1677static void
c84b06a4
SR		 1678_scsih_set_level(struct MPT3SAS_ADAPTER *ioc,
1679 struct scsi_device *sdev, u8 volume_type)
f92363d1
SR		 1680{
1681 enum raid_level level = RAID_LEVEL_UNKNOWN;
1682
1683 switch (volume_type) {
1684 case MPI2_RAID_VOL_TYPE_RAID0:
1685 level = RAID_LEVEL_0;
1686 break;
1687 case MPI2_RAID_VOL_TYPE_RAID10:
1688 level = RAID_LEVEL_10;
1689 break;
1690 case MPI2_RAID_VOL_TYPE_RAID1E:
1691 level = RAID_LEVEL_1E;
1692 break;
1693 case MPI2_RAID_VOL_TYPE_RAID1:
1694 level = RAID_LEVEL_1;
1695 break;
1696 }
1697
b130b0d5
SS		 1698 switch (ioc->hba_mpi_version_belonged) {
1699 case MPI2_VERSION:
c84b06a4 1700 raid_set_level(mpt2sas_raid_template,
b130b0d5
SS		 1701 &sdev->sdev_gendev, level);
1702 break;
1703 case MPI25_VERSION:
1704 case MPI26_VERSION:
c84b06a4 1705 raid_set_level(mpt3sas_raid_template,
b130b0d5
SS		 1706 &sdev->sdev_gendev, level);
1707 break;
1708 }
f92363d1
SR		 1709}
1710
1711
1712/**
1713 * _scsih_get_volume_capabilities - volume capabilities
1714 * @ioc: per adapter object
1715 * @sas_device: the raid_device object
1716 *
1717 * Returns 0 for success, else 1
1718 */
1719static int
1720_scsih_get_volume_capabilities(struct MPT3SAS_ADAPTER *ioc,
1721 struct _raid_device *raid_device)
1722{
1723 Mpi2RaidVolPage0_t *vol_pg0;
1724 Mpi2RaidPhysDiskPage0_t pd_pg0;
1725 Mpi2SasDevicePage0_t sas_device_pg0;
1726 Mpi2ConfigReply_t mpi_reply;
1727 u16 sz;
1728 u8 num_pds;
1729
1730 if ((mpt3sas_config_get_number_pds(ioc, raid_device->handle,
1731 &num_pds)) || !num_pds) {
1732 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1733 "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
1734 __func__));
1735 return 1;
1736 }
1737
1738 raid_device->num_pds = num_pds;
1739 sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds *
1740 sizeof(Mpi2RaidVol0PhysDisk_t));
1741 vol_pg0 = kzalloc(sz, GFP_KERNEL);
1742 if (!vol_pg0) {
1743 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1744 "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
1745 __func__));
1746 return 1;
1747 }
1748
1749 if ((mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0,
1750 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) {
1751 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1752 "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
1753 __func__));
1754 kfree(vol_pg0);
1755 return 1;
1756 }
1757
1758 raid_device->volume_type = vol_pg0->VolumeType;
1759
1760 /* figure out what the underlying devices are by
1761 * obtaining the device_info bits for the 1st device
1762 */
1763 if (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
1764 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM,
1765 vol_pg0->PhysDisk[0].PhysDiskNum))) {
1766 if (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
1767 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
1768 le16_to_cpu(pd_pg0.DevHandle)))) {
1769 raid_device->device_info =
1770 le32_to_cpu(sas_device_pg0.DeviceInfo);
1771 }
1772 }
1773
1774 kfree(vol_pg0);
1775 return 0;
1776}
1777
f92363d1
SR		 1778/**
1779 * _scsih_enable_tlr - setting TLR flags
1780 * @ioc: per adapter object
1781 * @sdev: scsi device struct
1782 *
1783 * Enabling Transaction Layer Retries for tape devices when
1784 * vpd page 0x90 is present
1785 *
1786 */
1787static void
1788_scsih_enable_tlr(struct MPT3SAS_ADAPTER *ioc, struct scsi_device *sdev)
1789{
1790
1791 /* only for TAPE */
1792 if (sdev->type != TYPE_TAPE)
1793 return;
1794
1795 if (!(ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR))
1796 return;
1797
1798 sas_enable_tlr(sdev);
1799 sdev_printk(KERN_INFO, sdev, "TLR %s\n",
1800 sas_is_tlr_enabled(sdev) ? "Enabled" : "Disabled");
1801 return;
1802
1803}
1804
1805/**
8a7e4c24 1806 * scsih_slave_configure - device configure routine.
f92363d1
SR		 1807 * @sdev: scsi device struct
1808 *
1809 * Returns 0 if ok. Any other return is assumed to be an error and
1810 * the device is ignored.
1811 */
8bbb1cf6 1812static int
8a7e4c24 1813scsih_slave_configure(struct scsi_device *sdev)
f92363d1
SR		 1814{
1815 struct Scsi_Host *shost = sdev->host;
1816 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
1817 struct MPT3SAS_DEVICE *sas_device_priv_data;
1818 struct MPT3SAS_TARGET *sas_target_priv_data;
1819 struct _sas_device *sas_device;
1820 struct _raid_device *raid_device;
1821 unsigned long flags;
1822 int qdepth;
1823 u8 ssp_target = 0;
1824 char *ds = "";
1825 char *r_level = "";
1826 u16 handle, volume_handle = 0;
1827 u64 volume_wwid = 0;
1828
1829 qdepth = 1;
1830 sas_device_priv_data = sdev->hostdata;
1831 sas_device_priv_data->configured_lun = 1;
1832 sas_device_priv_data->flags &= ~MPT_DEVICE_FLAGS_INIT;
1833 sas_target_priv_data = sas_device_priv_data->sas_target;
1834 handle = sas_target_priv_data->handle;
1835
1836 /* raid volume handling */
1837 if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME) {
1838
1839 spin_lock_irqsave(&ioc->raid_device_lock, flags);
c84b06a4 1840 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
f92363d1
SR		 1841 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1842 if (!raid_device) {
1843 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1844 "failure at %s:%d/%s()!\n", ioc->name, __FILE__,
1845 __LINE__, __func__));
1846 return 1;
1847 }
1848
1849 if (_scsih_get_volume_capabilities(ioc, raid_device)) {
1850 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1851 "failure at %s:%d/%s()!\n", ioc->name, __FILE__,
1852 __LINE__, __func__));
1853 return 1;
1854 }
1855
7786ab6a
SR		 1856 /*
1857 * WARPDRIVE: Initialize the required data for Direct IO
1858 */
c84b06a4 1859 mpt3sas_init_warpdrive_properties(ioc, raid_device);
f92363d1
SR		 1860
1861 /* RAID Queue Depth Support
1862 * IS volume = underlying qdepth of drive type, either
1863 * MPT3SAS_SAS_QUEUE_DEPTH or MPT3SAS_SATA_QUEUE_DEPTH
1864 * IM/IME/R10 = 128 (MPT3SAS_RAID_QUEUE_DEPTH)
1865 */
1866 if (raid_device->device_info &
1867 MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
1868 qdepth = MPT3SAS_SAS_QUEUE_DEPTH;
1869 ds = "SSP";
1870 } else {
1871 qdepth = MPT3SAS_SATA_QUEUE_DEPTH;
1872 if (raid_device->device_info &
1873 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
1874 ds = "SATA";
1875 else
1876 ds = "STP";
1877 }
1878
1879 switch (raid_device->volume_type) {
1880 case MPI2_RAID_VOL_TYPE_RAID0:
1881 r_level = "RAID0";
1882 break;
1883 case MPI2_RAID_VOL_TYPE_RAID1E:
1884 qdepth = MPT3SAS_RAID_QUEUE_DEPTH;
1885 if (ioc->manu_pg10.OEMIdentifier &&
1886 (le32_to_cpu(ioc->manu_pg10.GenericFlags0) &
1887 MFG10_GF0_R10_DISPLAY) &&
1888 !(raid_device->num_pds % 2))
1889 r_level = "RAID10";
1890 else
1891 r_level = "RAID1E";
1892 break;
1893 case MPI2_RAID_VOL_TYPE_RAID1:
1894 qdepth = MPT3SAS_RAID_QUEUE_DEPTH;
1895 r_level = "RAID1";
1896 break;
1897 case MPI2_RAID_VOL_TYPE_RAID10:
1898 qdepth = MPT3SAS_RAID_QUEUE_DEPTH;
1899 r_level = "RAID10";
1900 break;
1901 case MPI2_RAID_VOL_TYPE_UNKNOWN:
1902 default:
1903 qdepth = MPT3SAS_RAID_QUEUE_DEPTH;
1904 r_level = "RAIDX";
1905 break;
1906 }
1907
7786ab6a
SR		 1908 if (!ioc->hide_ir_msg)
1909 sdev_printk(KERN_INFO, sdev,
1910 "%s: handle(0x%04x), wwid(0x%016llx),"
1911 " pd_count(%d), type(%s)\n",
1912 r_level, raid_device->handle,
1913 (unsigned long long)raid_device->wwid,
1914 raid_device->num_pds, ds);
f92363d1 1915
6c197093
C		 1916 if (shost->max_sectors > MPT3SAS_RAID_MAX_SECTORS) {
1917 blk_queue_max_hw_sectors(sdev->request_queue,
1918 MPT3SAS_RAID_MAX_SECTORS);
1919 sdev_printk(KERN_INFO, sdev,
1920 "Set queue's max_sector to: %u\n",
1921 MPT3SAS_RAID_MAX_SECTORS);
1922 }
1923
8a7e4c24 1924 scsih_change_queue_depth(sdev, qdepth);
f92363d1 1925
7786ab6a
SR		 1926 /* raid transport support */
1927 if (!ioc->is_warpdrive)
c84b06a4 1928 _scsih_set_level(ioc, sdev, raid_device->volume_type);
f92363d1
SR		 1929 return 0;
1930 }
1931
1932 /* non-raid handling */
1933 if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1934 if (mpt3sas_config_get_volume_handle(ioc, handle,
1935 &volume_handle)) {
1936 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1937 "failure at %s:%d/%s()!\n", ioc->name,
1938 __FILE__, __LINE__, __func__));
1939 return 1;
1940 }
1941 if (volume_handle && mpt3sas_config_get_volume_wwid(ioc,
1942 volume_handle, &volume_wwid)) {
1943 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1944 "failure at %s:%d/%s()!\n", ioc->name,
1945 __FILE__, __LINE__, __func__));
1946 return 1;
1947 }
1948 }
1949
1950 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 1951 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
f92363d1
SR		 1952 sas_device_priv_data->sas_target->sas_address);
1953 if (!sas_device) {
1954 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1955 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1956 "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
1957 __func__));
1958 return 1;
1959 }
1960
1961 sas_device->volume_handle = volume_handle;
1962 sas_device->volume_wwid = volume_wwid;
1963 if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
1964 qdepth = MPT3SAS_SAS_QUEUE_DEPTH;
1965 ssp_target = 1;
30158dc9
SS		 1966 if (sas_device->device_info &
1967 MPI2_SAS_DEVICE_INFO_SEP) {
1968 sdev_printk(KERN_WARNING, sdev,
1969 "set ignore_delay_remove for handle(0x%04x)\n",
1970 sas_device_priv_data->sas_target->handle);
1971 sas_device_priv_data->ignore_delay_remove = 1;
1972 ds = "SES";
1973 } else
1974 ds = "SSP";
f92363d1
SR		 1975 } else {
1976 qdepth = MPT3SAS_SATA_QUEUE_DEPTH;
1977 if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET)
1978 ds = "STP";
1979 else if (sas_device->device_info &
1980 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
1981 ds = "SATA";
1982 }
1983
1984 sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), " \
1985 "sas_addr(0x%016llx), phy(%d), device_name(0x%016llx)\n",
1986 ds, handle, (unsigned long long)sas_device->sas_address,
1987 sas_device->phy, (unsigned long long)sas_device->device_name);
e6d45e3e
SR		 1988 if (sas_device->enclosure_handle != 0)
1989 sdev_printk(KERN_INFO, sdev,
1990 "%s: enclosure_logical_id(0x%016llx), slot(%d)\n",
1991 ds, (unsigned long long)
1992 sas_device->enclosure_logical_id, sas_device->slot);
1993 if (sas_device->connector_name[0] != '\0')
1994 sdev_printk(KERN_INFO, sdev,
1995 "%s: enclosure level(0x%04x), connector name( %s)\n",
1996 ds, sas_device->enclosure_level,
1997 sas_device->connector_name);
f92363d1 1998
d1cb5e49 1999 sas_device_put(sas_device);
f92363d1
SR		 2000 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2001
2002 if (!ssp_target)
2003 _scsih_display_sata_capabilities(ioc, handle, sdev);
2004
2005
8a7e4c24 2006 scsih_change_queue_depth(sdev, qdepth);
f92363d1
SR		 2007
2008 if (ssp_target) {
2009 sas_read_port_mode_page(sdev);
2010 _scsih_enable_tlr(ioc, sdev);
2011 }
2012
2013 return 0;
2014}
2015
2016/**
8a7e4c24 2017 * scsih_bios_param - fetch head, sector, cylinder info for a disk
f92363d1
SR		 2018 * @sdev: scsi device struct
2019 * @bdev: pointer to block device context
2020 * @capacity: device size (in 512 byte sectors)
2021 * @params: three element array to place output:
2022 * params[0] number of heads (max 255)
2023 * params[1] number of sectors (max 63)
2024 * params[2] number of cylinders
2025 *
2026 * Return nothing.
2027 */
8bbb1cf6 2028static int
8a7e4c24 2029scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev,
f92363d1
SR		 2030 sector_t capacity, int params[])
2031{
2032 int heads;
2033 int sectors;
2034 sector_t cylinders;
2035 ulong dummy;
2036
2037 heads = 64;
2038 sectors = 32;
2039
2040 dummy = heads * sectors;
2041 cylinders = capacity;
2042 sector_div(cylinders, dummy);
2043
2044 /*
2045 * Handle extended translation size for logical drives
2046 * > 1Gb
2047 */
2048 if ((ulong)capacity >= 0x200000) {
2049 heads = 255;
2050 sectors = 63;
2051 dummy = heads * sectors;
2052 cylinders = capacity;
2053 sector_div(cylinders, dummy);
2054 }
2055
2056 /* return result */
2057 params[0] = heads;
2058 params[1] = sectors;
2059 params[2] = cylinders;
2060
2061 return 0;
2062}
2063
2064/**
2065 * _scsih_response_code - translation of device response code
2066 * @ioc: per adapter object
2067 * @response_code: response code returned by the device
2068 *
2069 * Return nothing.
2070 */
2071static void
2072_scsih_response_code(struct MPT3SAS_ADAPTER *ioc, u8 response_code)
2073{
2074 char *desc;
2075
2076 switch (response_code) {
2077 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE:
2078 desc = "task management request completed";
2079 break;
2080 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME:
2081 desc = "invalid frame";
2082 break;
2083 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2084 desc = "task management request not supported";
2085 break;
2086 case MPI2_SCSITASKMGMT_RSP_TM_FAILED:
2087 desc = "task management request failed";
2088 break;
2089 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2090 desc = "task management request succeeded";
2091 break;
2092 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2093 desc = "invalid lun";
2094 break;
2095 case 0xA:
2096 desc = "overlapped tag attempted";
2097 break;
2098 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2099 desc = "task queued, however not sent to target";
2100 break;
2101 default:
2102 desc = "unknown";
2103 break;
2104 }
2105 pr_warn(MPT3SAS_FMT "response_code(0x%01x): %s\n",
2106 ioc->name, response_code, desc);
2107}
2108
2109/**
2110 * _scsih_tm_done - tm completion routine
2111 * @ioc: per adapter object
2112 * @smid: system request message index
2113 * @msix_index: MSIX table index supplied by the OS
2114 * @reply: reply message frame(lower 32bit addr)
2115 * Context: none.
2116 *
2117 * The callback handler when using scsih_issue_tm.
2118 *
2119 * Return 1 meaning mf should be freed from _base_interrupt
2120 * 0 means the mf is freed from this function.
2121 */
2122static u8
2123_scsih_tm_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
2124{
2125 MPI2DefaultReply_t *mpi_reply;
2126
2127 if (ioc->tm_cmds.status == MPT3_CMD_NOT_USED)
2128 return 1;
2129 if (ioc->tm_cmds.smid != smid)
2130 return 1;
f92363d1
SR		 2131 ioc->tm_cmds.status |= MPT3_CMD_COMPLETE;
2132 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
2133 if (mpi_reply) {
2134 memcpy(ioc->tm_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
2135 ioc->tm_cmds.status |= MPT3_CMD_REPLY_VALID;
2136 }
2137 ioc->tm_cmds.status &= ~MPT3_CMD_PENDING;
2138 complete(&ioc->tm_cmds.done);
2139 return 1;
2140}
2141
2142/**
2143 * mpt3sas_scsih_set_tm_flag - set per target tm_busy
2144 * @ioc: per adapter object
2145 * @handle: device handle
2146 *
2147 * During taskmangement request, we need to freeze the device queue.
2148 */
2149void
2150mpt3sas_scsih_set_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle)
2151{
2152 struct MPT3SAS_DEVICE *sas_device_priv_data;
2153 struct scsi_device *sdev;
2154 u8 skip = 0;
2155
2156 shost_for_each_device(sdev, ioc->shost) {
2157 if (skip)
2158 continue;
2159 sas_device_priv_data = sdev->hostdata;
2160 if (!sas_device_priv_data)
2161 continue;
2162 if (sas_device_priv_data->sas_target->handle == handle) {
2163 sas_device_priv_data->sas_target->tm_busy = 1;
2164 skip = 1;
2165 ioc->ignore_loginfos = 1;
2166 }
2167 }
2168}
2169
2170/**
2171 * mpt3sas_scsih_clear_tm_flag - clear per target tm_busy
2172 * @ioc: per adapter object
2173 * @handle: device handle
2174 *
2175 * During taskmangement request, we need to freeze the device queue.
2176 */
2177void
2178mpt3sas_scsih_clear_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle)
2179{
2180 struct MPT3SAS_DEVICE *sas_device_priv_data;
2181 struct scsi_device *sdev;
2182 u8 skip = 0;
2183
2184 shost_for_each_device(sdev, ioc->shost) {
2185 if (skip)
2186 continue;
2187 sas_device_priv_data = sdev->hostdata;
2188 if (!sas_device_priv_data)
2189 continue;
2190 if (sas_device_priv_data->sas_target->handle == handle) {
2191 sas_device_priv_data->sas_target->tm_busy = 0;
2192 skip = 1;
2193 ioc->ignore_loginfos = 0;
2194 }
2195 }
2196}
2197
2198/**
2199 * mpt3sas_scsih_issue_tm - main routine for sending tm requests
2200 * @ioc: per adapter struct
2201 * @device_handle: device handle
2202 * @channel: the channel assigned by the OS
2203 * @id: the id assigned by the OS
2204 * @lun: lun number
2205 * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h)
2206 * @smid_task: smid assigned to the task
2207 * @timeout: timeout in seconds
f92363d1
SR		 2208 * Context: user
2209 *
2210 * A generic API for sending task management requests to firmware.
2211 *
2212 * The callback index is set inside `ioc->tm_cb_idx`.
2213 *
2214 * Return SUCCESS or FAILED.
2215 */
2216int
2217mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle, uint channel,
96902835 2218 uint id, uint lun, u8 type, u16 smid_task, ulong timeout)
f92363d1
SR		 2219{
2220 Mpi2SCSITaskManagementRequest_t *mpi_request;
2221 Mpi2SCSITaskManagementReply_t *mpi_reply;
2222 u16 smid = 0;
2223 u32 ioc_state;
f92363d1
SR		 2224 struct scsiio_tracker *scsi_lookup = NULL;
2225 int rc;
03d1fb3a 2226 u16 msix_task = 0;
f92363d1 2227
96902835
CO		 2228 lockdep_assert_held(&ioc->tm_cmds.mutex);
2229
f92363d1
SR		 2230 if (ioc->tm_cmds.status != MPT3_CMD_NOT_USED) {
2231 pr_info(MPT3SAS_FMT "%s: tm_cmd busy!!!\n",
2232 __func__, ioc->name);
96902835 2233 return FAILED;
f92363d1
SR		 2234 }
2235
2236 if (ioc->shost_recovery || ioc->remove_host ||
2237 ioc->pci_error_recovery) {
2238 pr_info(MPT3SAS_FMT "%s: host reset in progress!\n",
2239 __func__, ioc->name);
96902835 2240 return FAILED;
f92363d1
SR		 2241 }
2242
2243 ioc_state = mpt3sas_base_get_iocstate(ioc, 0);
2244 if (ioc_state & MPI2_DOORBELL_USED) {
2245 dhsprintk(ioc, pr_info(MPT3SAS_FMT
2246 "unexpected doorbell active!\n", ioc->name));
98c56ad3 2247 rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
96902835 2248 return (!rc) ? SUCCESS : FAILED;
f92363d1
SR		 2249 }
2250
2251 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
2252 mpt3sas_base_fault_info(ioc, ioc_state &
2253 MPI2_DOORBELL_DATA_MASK);
98c56ad3 2254 rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
96902835 2255 return (!rc) ? SUCCESS : FAILED;
f92363d1
SR		 2256 }
2257
2258 smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx);
2259 if (!smid) {
2260 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
2261 ioc->name, __func__);
96902835 2262 return FAILED;
f92363d1
SR		 2263 }
2264
2265 if (type == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK)
2266 scsi_lookup = &ioc->scsi_lookup[smid_task - 1];
2267
2268 dtmprintk(ioc, pr_info(MPT3SAS_FMT
2269 "sending tm: handle(0x%04x), task_type(0x%02x), smid(%d)\n",
2270 ioc->name, handle, type, smid_task));
2271 ioc->tm_cmds.status = MPT3_CMD_PENDING;
2272 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
2273 ioc->tm_cmds.smid = smid;
2274 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
2275 memset(ioc->tm_cmds.reply, 0, sizeof(Mpi2SCSITaskManagementReply_t));
2276 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
2277 mpi_request->DevHandle = cpu_to_le16(handle);
2278 mpi_request->TaskType = type;
2279 mpi_request->TaskMID = cpu_to_le16(smid_task);
2280 int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN);
2281 mpt3sas_scsih_set_tm_flag(ioc, handle);
2282 init_completion(&ioc->tm_cmds.done);
03d1fb3a
SS		 2283 if ((type == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK) &&
2284 (scsi_lookup->msix_io < ioc->reply_queue_count))
2285 msix_task = scsi_lookup->msix_io;
2286 else
2287 msix_task = 0;
81c16f83 2288 ioc->put_smid_hi_priority(ioc, smid, msix_task);
8bbb1cf6 2289 wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ);
f92363d1
SR		 2290 if (!(ioc->tm_cmds.status & MPT3_CMD_COMPLETE)) {
2291 pr_err(MPT3SAS_FMT "%s: timeout\n",
2292 ioc->name, __func__);
2293 _debug_dump_mf(mpi_request,
2294 sizeof(Mpi2SCSITaskManagementRequest_t)/4);
2295 if (!(ioc->tm_cmds.status & MPT3_CMD_RESET)) {
98c56ad3
CO		 2296 rc = mpt3sas_base_hard_reset_handler(ioc,
2297 FORCE_BIG_HAMMER);
f92363d1 2298 rc = (!rc) ? SUCCESS : FAILED;
96902835 2299 goto out;
f92363d1
SR		 2300 }
2301 }
2302
5f0dfb7a
C		 2303 /* sync IRQs in case those were busy during flush. */
2304 mpt3sas_base_sync_reply_irqs(ioc);
2305
f92363d1
SR		 2306 if (ioc->tm_cmds.status & MPT3_CMD_REPLY_VALID) {
2307 mpt3sas_trigger_master(ioc, MASTER_TRIGGER_TASK_MANAGMENT);
2308 mpi_reply = ioc->tm_cmds.reply;
2309 dtmprintk(ioc, pr_info(MPT3SAS_FMT "complete tm: " \
2310 "ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n",
2311 ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
2312 le32_to_cpu(mpi_reply->IOCLogInfo),
2313 le32_to_cpu(mpi_reply->TerminationCount)));
2314 if (ioc->logging_level & MPT_DEBUG_TM) {
2315 _scsih_response_code(ioc, mpi_reply->ResponseCode);
2316 if (mpi_reply->IOCStatus)
2317 _debug_dump_mf(mpi_request,
2318 sizeof(Mpi2SCSITaskManagementRequest_t)/4);
2319 }
2320 }
2321
2322 switch (type) {
2323 case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK:
2324 rc = SUCCESS;
2325 if (scsi_lookup->scmd == NULL)
2326 break;
2327 rc = FAILED;
2328 break;
2329
2330 case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET:
2331 if (_scsih_scsi_lookup_find_by_target(ioc, id, channel))
2332 rc = FAILED;
2333 else
2334 rc = SUCCESS;
2335 break;
2336 case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET:
2337 case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET:
2338 if (_scsih_scsi_lookup_find_by_lun(ioc, id, lun, channel))
2339 rc = FAILED;
2340 else
2341 rc = SUCCESS;
2342 break;
2343 case MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK:
2344 rc = SUCCESS;
2345 break;
2346 default:
2347 rc = FAILED;
2348 break;
2349 }
2350
96902835 2351out:
f92363d1
SR		 2352 mpt3sas_scsih_clear_tm_flag(ioc, handle);
2353 ioc->tm_cmds.status = MPT3_CMD_NOT_USED;
f92363d1 2354 return rc;
96902835 2355}
f92363d1 2356
96902835
CO		 2357int mpt3sas_scsih_issue_locked_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle,
2358 uint channel, uint id, uint lun, u8 type, u16 smid_task, ulong timeout)
2359{
2360 int ret;
2361
2362 mutex_lock(&ioc->tm_cmds.mutex);
2363 ret = mpt3sas_scsih_issue_tm(ioc, handle, channel, id, lun, type,
2364 smid_task, timeout);
2365 mutex_unlock(&ioc->tm_cmds.mutex);
2366
2367 return ret;
f92363d1
SR		 2368}
2369
2370/**
2371 * _scsih_tm_display_info - displays info about the device
2372 * @ioc: per adapter struct
2373 * @scmd: pointer to scsi command object
2374 *
2375 * Called by task management callback handlers.
2376 */
2377static void
2378_scsih_tm_display_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd)
2379{
2380 struct scsi_target *starget = scmd->device->sdev_target;
2381 struct MPT3SAS_TARGET *priv_target = starget->hostdata;
2382 struct _sas_device *sas_device = NULL;
2383 unsigned long flags;
2384 char *device_str = NULL;
2385
2386 if (!priv_target)
2387 return;
7786ab6a
SR		 2388 if (ioc->hide_ir_msg)
2389 device_str = "WarpDrive";
2390 else
2391 device_str = "volume";
f92363d1
SR		 2392
2393 scsi_print_command(scmd);
2394 if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) {
2395 starget_printk(KERN_INFO, starget,
2396 "%s handle(0x%04x), %s wwid(0x%016llx)\n",
2397 device_str, priv_target->handle,
2398 device_str, (unsigned long long)priv_target->sas_address);
2399 } else {
2400 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 2401 sas_device = __mpt3sas_get_sdev_from_target(ioc, priv_target);
f92363d1
SR		 2402 if (sas_device) {
2403 if (priv_target->flags &
2404 MPT_TARGET_FLAGS_RAID_COMPONENT) {
2405 starget_printk(KERN_INFO, starget,
2406 "volume handle(0x%04x), "
2407 "volume wwid(0x%016llx)\n",
2408 sas_device->volume_handle,
2409 (unsigned long long)sas_device->volume_wwid);
2410 }
2411 starget_printk(KERN_INFO, starget,
2412 "handle(0x%04x), sas_address(0x%016llx), phy(%d)\n",
2413 sas_device->handle,
2414 (unsigned long long)sas_device->sas_address,
2415 sas_device->phy);
e6d45e3e
SR		 2416 if (sas_device->enclosure_handle != 0)
2417 starget_printk(KERN_INFO, starget,
2418 "enclosure_logical_id(0x%016llx), slot(%d)\n",
2419 (unsigned long long)
2420 sas_device->enclosure_logical_id,
2421 sas_device->slot);
869817f9 2422 if (sas_device->connector_name[0] != '\0')
e6d45e3e
SR		 2423 starget_printk(KERN_INFO, starget,
2424 "enclosure level(0x%04x),connector name(%s)\n",
2425 sas_device->enclosure_level,
2426 sas_device->connector_name);
d1cb5e49
SR		 2427
2428 sas_device_put(sas_device);
f92363d1
SR		 2429 }
2430 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2431 }
2432}
2433
2434/**
8a7e4c24 2435 * scsih_abort - eh threads main abort routine
f92363d1
SR		 2436 * @scmd: pointer to scsi command object
2437 *
2438 * Returns SUCCESS if command aborted else FAILED
2439 */
8bbb1cf6 2440static int
8a7e4c24 2441scsih_abort(struct scsi_cmnd *scmd)
f92363d1
SR		 2442{
2443 struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2444 struct MPT3SAS_DEVICE *sas_device_priv_data;
2445 u16 smid;
2446 u16 handle;
2447 int r;
2448
2449 sdev_printk(KERN_INFO, scmd->device,
2450 "attempting task abort! scmd(%p)\n", scmd);
2451 _scsih_tm_display_info(ioc, scmd);
2452
2453 sas_device_priv_data = scmd->device->hostdata;
2454 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
2455 sdev_printk(KERN_INFO, scmd->device,
2456 "device been deleted! scmd(%p)\n", scmd);
2457 scmd->result = DID_NO_CONNECT << 16;
2458 scmd->scsi_done(scmd);
2459 r = SUCCESS;
2460 goto out;
2461 }
2462
2463 /* search for the command */
2464 smid = _scsih_scsi_lookup_find_by_scmd(ioc, scmd);
2465 if (!smid) {
2466 scmd->result = DID_RESET << 16;
2467 r = SUCCESS;
2468 goto out;
2469 }
2470
2471 /* for hidden raid components and volumes this is not supported */
2472 if (sas_device_priv_data->sas_target->flags &
2473 MPT_TARGET_FLAGS_RAID_COMPONENT ||
2474 sas_device_priv_data->sas_target->flags & MPT_TARGET_FLAGS_VOLUME) {
2475 scmd->result = DID_RESET << 16;
2476 r = FAILED;
2477 goto out;
2478 }
2479
2480 mpt3sas_halt_firmware(ioc);
2481
2482 handle = sas_device_priv_data->sas_target->handle;
96902835 2483 r = mpt3sas_scsih_issue_locked_tm(ioc, handle, scmd->device->channel,
f92363d1 2484 scmd->device->id, scmd->device->lun,
96902835 2485 MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30);
f92363d1
SR		 2486
2487 out:
2488 sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(%p)\n",
2489 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2490 return r;
2491}
2492
2493/**
8a7e4c24 2494 * scsih_dev_reset - eh threads main device reset routine
f92363d1
SR		 2495 * @scmd: pointer to scsi command object
2496 *
2497 * Returns SUCCESS if command aborted else FAILED
2498 */
8bbb1cf6 2499static int
8a7e4c24 2500scsih_dev_reset(struct scsi_cmnd *scmd)
f92363d1
SR		 2501{
2502 struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2503 struct MPT3SAS_DEVICE *sas_device_priv_data;
d1cb5e49 2504 struct _sas_device *sas_device = NULL;
f92363d1
SR		 2505 u16 handle;
2506 int r;
2507
d1cb5e49
SR		 2508 struct scsi_target *starget = scmd->device->sdev_target;
2509 struct MPT3SAS_TARGET *target_priv_data = starget->hostdata;
2510
f92363d1
SR		 2511 sdev_printk(KERN_INFO, scmd->device,
2512 "attempting device reset! scmd(%p)\n", scmd);
2513 _scsih_tm_display_info(ioc, scmd);
2514
2515 sas_device_priv_data = scmd->device->hostdata;
2516 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
2517 sdev_printk(KERN_INFO, scmd->device,
2518 "device been deleted! scmd(%p)\n", scmd);
2519 scmd->result = DID_NO_CONNECT << 16;
2520 scmd->scsi_done(scmd);
2521 r = SUCCESS;
2522 goto out;
2523 }
2524
2525 /* for hidden raid components obtain the volume_handle */
2526 handle = 0;
2527 if (sas_device_priv_data->sas_target->flags &
2528 MPT_TARGET_FLAGS_RAID_COMPONENT) {
d1cb5e49
SR		 2529 sas_device = mpt3sas_get_sdev_from_target(ioc,
2530 target_priv_data);
f92363d1
SR		 2531 if (sas_device)
2532 handle = sas_device->volume_handle;
f92363d1
SR		 2533 } else
2534 handle = sas_device_priv_data->sas_target->handle;
2535
2536 if (!handle) {
2537 scmd->result = DID_RESET << 16;
2538 r = FAILED;
2539 goto out;
2540 }
2541
96902835 2542 r = mpt3sas_scsih_issue_locked_tm(ioc, handle, scmd->device->channel,
f92363d1 2543 scmd->device->id, scmd->device->lun,
96902835 2544 MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 0, 30);
f92363d1
SR		 2545
2546 out:
2547 sdev_printk(KERN_INFO, scmd->device, "device reset: %s scmd(%p)\n",
2548 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
d1cb5e49
SR		 2549
2550 if (sas_device)
2551 sas_device_put(sas_device);
2552
f92363d1
SR		 2553 return r;
2554}
2555
2556/**
8a7e4c24 2557 * scsih_target_reset - eh threads main target reset routine
f92363d1
SR		 2558 * @scmd: pointer to scsi command object
2559 *
2560 * Returns SUCCESS if command aborted else FAILED
2561 */
8bbb1cf6 2562static int
8a7e4c24 2563scsih_target_reset(struct scsi_cmnd *scmd)
f92363d1
SR		 2564{
2565 struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2566 struct MPT3SAS_DEVICE *sas_device_priv_data;
d1cb5e49 2567 struct _sas_device *sas_device = NULL;
f92363d1
SR		 2568 u16 handle;
2569 int r;
2570 struct scsi_target *starget = scmd->device->sdev_target;
d1cb5e49 2571 struct MPT3SAS_TARGET *target_priv_data = starget->hostdata;
f92363d1
SR		 2572
2573 starget_printk(KERN_INFO, starget, "attempting target reset! scmd(%p)\n",
2574 scmd);
2575 _scsih_tm_display_info(ioc, scmd);
2576
2577 sas_device_priv_data = scmd->device->hostdata;
2578 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
2579 starget_printk(KERN_INFO, starget, "target been deleted! scmd(%p)\n",
2580 scmd);
2581 scmd->result = DID_NO_CONNECT << 16;
2582 scmd->scsi_done(scmd);
2583 r = SUCCESS;
2584 goto out;
2585 }
2586
2587 /* for hidden raid components obtain the volume_handle */
2588 handle = 0;
2589 if (sas_device_priv_data->sas_target->flags &
2590 MPT_TARGET_FLAGS_RAID_COMPONENT) {
d1cb5e49
SR		 2591 sas_device = mpt3sas_get_sdev_from_target(ioc,
2592 target_priv_data);
f92363d1
SR		 2593 if (sas_device)
2594 handle = sas_device->volume_handle;
f92363d1
SR		 2595 } else
2596 handle = sas_device_priv_data->sas_target->handle;
2597
2598 if (!handle) {
2599 scmd->result = DID_RESET << 16;
2600 r = FAILED;
2601 goto out;
2602 }
2603
96902835 2604 r = mpt3sas_scsih_issue_locked_tm(ioc, handle, scmd->device->channel,
f92363d1 2605 scmd->device->id, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0,
96902835 2606 30);
f92363d1
SR		 2607
2608 out:
2609 starget_printk(KERN_INFO, starget, "target reset: %s scmd(%p)\n",
2610 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
d1cb5e49
SR		 2611
2612 if (sas_device)
2613 sas_device_put(sas_device);
2614
f92363d1
SR		 2615 return r;
2616}
2617
2618
2619/**
8a7e4c24 2620 * scsih_host_reset - eh threads main host reset routine
f92363d1
SR		 2621 * @scmd: pointer to scsi command object
2622 *
2623 * Returns SUCCESS if command aborted else FAILED
2624 */
8bbb1cf6 2625static int
8a7e4c24 2626scsih_host_reset(struct scsi_cmnd *scmd)
f92363d1
SR		 2627{
2628 struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2629 int r, retval;
2630
2631 pr_info(MPT3SAS_FMT "attempting host reset! scmd(%p)\n",
2632 ioc->name, scmd);
2633 scsi_print_command(scmd);
2634
ddb588be
SR		 2635 if (ioc->is_driver_loading) {
2636 pr_info(MPT3SAS_FMT "Blocking the host reset\n",
2637 ioc->name);
2638 r = FAILED;
2639 goto out;
2640 }
2641
98c56ad3 2642 retval = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
f92363d1 2643 r = (retval < 0) ? FAILED : SUCCESS;
ddb588be 2644out:
f92363d1
SR		 2645 pr_info(MPT3SAS_FMT "host reset: %s scmd(%p)\n",
2646 ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2647
2648 return r;
2649}
2650
2651/**
2652 * _scsih_fw_event_add - insert and queue up fw_event
2653 * @ioc: per adapter object
2654 * @fw_event: object describing the event
2655 * Context: This function will acquire ioc->fw_event_lock.
2656 *
2657 * This adds the firmware event object into link list, then queues it up to
2658 * be processed from user context.
2659 *
2660 * Return nothing.
2661 */
2662static void
2663_scsih_fw_event_add(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
2664{
2665 unsigned long flags;
2666
2667 if (ioc->firmware_event_thread == NULL)
2668 return;
2669
2670 spin_lock_irqsave(&ioc->fw_event_lock, flags);
146b16c8 2671 fw_event_work_get(fw_event);
f92363d1
SR		 2672 INIT_LIST_HEAD(&fw_event->list);
2673 list_add_tail(&fw_event->list, &ioc->fw_event_list);
2674 INIT_WORK(&fw_event->work, _firmware_event_work);
146b16c8 2675 fw_event_work_get(fw_event);
f92363d1
SR		 2676 queue_work(ioc->firmware_event_thread, &fw_event->work);
2677 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2678}
2679
2680/**
146b16c8 2681 * _scsih_fw_event_del_from_list - delete fw_event from the list
f92363d1
SR		 2682 * @ioc: per adapter object
2683 * @fw_event: object describing the event
2684 * Context: This function will acquire ioc->fw_event_lock.
2685 *
146b16c8 2686 * If the fw_event is on the fw_event_list, remove it and do a put.
f92363d1
SR		 2687 *
2688 * Return nothing.
2689 */
2690static void
146b16c8 2691_scsih_fw_event_del_from_list(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work
f92363d1
SR		 2692 *fw_event)
2693{
2694 unsigned long flags;
2695
2696 spin_lock_irqsave(&ioc->fw_event_lock, flags);
146b16c8
SR		 2697 if (!list_empty(&fw_event->list)) {
2698 list_del_init(&fw_event->list);
2699 fw_event_work_put(fw_event);
2700 }
f92363d1
SR		 2701 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2702}
2703
2704
2705 /**
2706 * mpt3sas_send_trigger_data_event - send event for processing trigger data
2707 * @ioc: per adapter object
2708 * @event_data: trigger event data
2709 *
2710 * Return nothing.
2711 */
2712void
2713mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER *ioc,
2714 struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data)
2715{
2716 struct fw_event_work *fw_event;
146b16c8 2717 u16 sz;
f92363d1
SR		 2718
2719 if (ioc->is_driver_loading)
2720 return;
146b16c8
SR		 2721 sz = sizeof(*event_data);
2722 fw_event = alloc_fw_event_work(sz);
f92363d1
SR		 2723 if (!fw_event)
2724 return;
f92363d1
SR		 2725 fw_event->event = MPT3SAS_PROCESS_TRIGGER_DIAG;
2726 fw_event->ioc = ioc;
2727 memcpy(fw_event->event_data, event_data, sizeof(*event_data));
2728 _scsih_fw_event_add(ioc, fw_event);
146b16c8 2729 fw_event_work_put(fw_event);
f92363d1
SR		 2730}
2731
2732/**
2733 * _scsih_error_recovery_delete_devices - remove devices not responding
2734 * @ioc: per adapter object
2735 *
2736 * Return nothing.
2737 */
2738static void
2739_scsih_error_recovery_delete_devices(struct MPT3SAS_ADAPTER *ioc)
2740{
2741 struct fw_event_work *fw_event;
2742
2743 if (ioc->is_driver_loading)
2744 return;
146b16c8 2745 fw_event = alloc_fw_event_work(0);
f92363d1
SR		 2746 if (!fw_event)
2747 return;
2748 fw_event->event = MPT3SAS_REMOVE_UNRESPONDING_DEVICES;
2749 fw_event->ioc = ioc;
2750 _scsih_fw_event_add(ioc, fw_event);
146b16c8 2751 fw_event_work_put(fw_event);
f92363d1
SR		 2752}
2753
2754/**
2755 * mpt3sas_port_enable_complete - port enable completed (fake event)
2756 * @ioc: per adapter object
2757 *
2758 * Return nothing.
2759 */
2760void
2761mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc)
2762{
2763 struct fw_event_work *fw_event;
2764
146b16c8 2765 fw_event = alloc_fw_event_work(0);
f92363d1
SR		 2766 if (!fw_event)
2767 return;
2768 fw_event->event = MPT3SAS_PORT_ENABLE_COMPLETE;
2769 fw_event->ioc = ioc;
2770 _scsih_fw_event_add(ioc, fw_event);
146b16c8
SR		 2771 fw_event_work_put(fw_event);
2772}
2773
2774static struct fw_event_work *dequeue_next_fw_event(struct MPT3SAS_ADAPTER *ioc)
2775{
2776 unsigned long flags;
2777 struct fw_event_work *fw_event = NULL;
2778
2779 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2780 if (!list_empty(&ioc->fw_event_list)) {
2781 fw_event = list_first_entry(&ioc->fw_event_list,
2782 struct fw_event_work, list);
2783 list_del_init(&fw_event->list);
2784 }
2785 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2786
2787 return fw_event;
f92363d1
SR		 2788}
2789
2790/**
2791 * _scsih_fw_event_cleanup_queue - cleanup event queue
2792 * @ioc: per adapter object
2793 *
2794 * Walk the firmware event queue, either killing timers, or waiting
2795 * for outstanding events to complete
2796 *
2797 * Return nothing.
2798 */
2799static void
2800_scsih_fw_event_cleanup_queue(struct MPT3SAS_ADAPTER *ioc)
2801{
146b16c8 2802 struct fw_event_work *fw_event;
f92363d1
SR		 2803
2804 if (list_empty(&ioc->fw_event_list) ||
2805 !ioc->firmware_event_thread || in_interrupt())
2806 return;
2807
146b16c8
SR		 2808 while ((fw_event = dequeue_next_fw_event(ioc))) {
2809 /*
2810 * Wait on the fw_event to complete. If this returns 1, then
2811 * the event was never executed, and we need a put for the
b8ac0cc7 2812 * reference the work had on the fw_event.
146b16c8
SR		 2813 *
2814 * If it did execute, we wait for it to finish, and the put will
2815 * happen from _firmware_event_work()
2816 */
b8ac0cc7 2817 if (cancel_work_sync(&fw_event->work))
146b16c8
SR		 2818 fw_event_work_put(fw_event);
2819
2820 fw_event_work_put(fw_event);
f92363d1
SR		 2821 }
2822}
2823
df838f92
SR		 2824/**
2825 * _scsih_internal_device_block - block the sdev device
2826 * @sdev: per device object
2827 * @sas_device_priv_data : per device driver private data
2828 *
2829 * make sure device is blocked without error, if not
2830 * print an error
2831 */
2832static void
2833_scsih_internal_device_block(struct scsi_device *sdev,
2834 struct MPT3SAS_DEVICE *sas_device_priv_data)
2835{
2836 int r = 0;
2837
2838 sdev_printk(KERN_INFO, sdev, "device_block, handle(0x%04x)\n",
2839 sas_device_priv_data->sas_target->handle);
2840 sas_device_priv_data->block = 1;
2841
2842 r = scsi_internal_device_block(sdev);
2843 if (r == -EINVAL)
2844 sdev_printk(KERN_WARNING, sdev,
2845 "device_block failed with return(%d) for handle(0x%04x)\n",
b2fe6be7 2846 r, sas_device_priv_data->sas_target->handle);
df838f92
SR		 2847}
2848
2849/**
2850 * _scsih_internal_device_unblock - unblock the sdev device
2851 * @sdev: per device object
2852 * @sas_device_priv_data : per device driver private data
2853 * make sure device is unblocked without error, if not retry
2854 * by blocking and then unblocking
2855 */
2856
2857static void
2858_scsih_internal_device_unblock(struct scsi_device *sdev,
2859 struct MPT3SAS_DEVICE *sas_device_priv_data)
2860{
2861 int r = 0;
2862
2863 sdev_printk(KERN_WARNING, sdev, "device_unblock and setting to running, "
2864 "handle(0x%04x)\n", sas_device_priv_data->sas_target->handle);
2865 sas_device_priv_data->block = 0;
2866 r = scsi_internal_device_unblock(sdev, SDEV_RUNNING);
2867 if (r == -EINVAL) {
2868 /* The device has been set to SDEV_RUNNING by SD layer during
2869 * device addition but the request queue is still stopped by
2870 * our earlier block call. We need to perform a block again
2871 * to get the device to SDEV_BLOCK and then to SDEV_RUNNING */
2872
2873 sdev_printk(KERN_WARNING, sdev,
2874 "device_unblock failed with return(%d) for handle(0x%04x) "
2875 "performing a block followed by an unblock\n",
b2fe6be7 2876 r, sas_device_priv_data->sas_target->handle);
df838f92
SR		 2877 sas_device_priv_data->block = 1;
2878 r = scsi_internal_device_block(sdev);
2879 if (r)
2880 sdev_printk(KERN_WARNING, sdev, "retried device_block "
2881 "failed with return(%d) for handle(0x%04x)\n",
b2fe6be7 2882 r, sas_device_priv_data->sas_target->handle);
df838f92
SR		 2883
2884 sas_device_priv_data->block = 0;
2885 r = scsi_internal_device_unblock(sdev, SDEV_RUNNING);
2886 if (r)
2887 sdev_printk(KERN_WARNING, sdev, "retried device_unblock"
2888 " failed with return(%d) for handle(0x%04x)\n",
b2fe6be7 2889 r, sas_device_priv_data->sas_target->handle);
df838f92
SR		 2890 }
2891}
2892
f92363d1
SR		 2893/**
2894 * _scsih_ublock_io_all_device - unblock every device
2895 * @ioc: per adapter object
2896 *
2897 * change the device state from block to running
2898 */
2899static void
2900_scsih_ublock_io_all_device(struct MPT3SAS_ADAPTER *ioc)
2901{
2902 struct MPT3SAS_DEVICE *sas_device_priv_data;
2903 struct scsi_device *sdev;
2904
2905 shost_for_each_device(sdev, ioc->shost) {
2906 sas_device_priv_data = sdev->hostdata;
2907 if (!sas_device_priv_data)
2908 continue;
2909 if (!sas_device_priv_data->block)
2910 continue;
2911
f92363d1
SR		 2912 dewtprintk(ioc, sdev_printk(KERN_INFO, sdev,
2913 "device_running, handle(0x%04x)\n",
2914 sas_device_priv_data->sas_target->handle));
df838f92 2915 _scsih_internal_device_unblock(sdev, sas_device_priv_data);
f92363d1
SR		 2916 }
2917}
2918
2919
2920/**
2921 * _scsih_ublock_io_device - prepare device to be deleted
2922 * @ioc: per adapter object
2923 * @sas_addr: sas address
2924 *
2925 * unblock then put device in offline state
2926 */
2927static void
2928_scsih_ublock_io_device(struct MPT3SAS_ADAPTER *ioc, u64 sas_address)
2929{
2930 struct MPT3SAS_DEVICE *sas_device_priv_data;
2931 struct scsi_device *sdev;
2932
2933 shost_for_each_device(sdev, ioc->shost) {
2934 sas_device_priv_data = sdev->hostdata;
2935 if (!sas_device_priv_data)
2936 continue;
2937 if (sas_device_priv_data->sas_target->sas_address
2938 != sas_address)
2939 continue;
df838f92
SR		 2940 if (sas_device_priv_data->block)
2941 _scsih_internal_device_unblock(sdev,
2942 sas_device_priv_data);
f92363d1
SR		 2943 }
2944}
2945
2946/**
2947 * _scsih_block_io_all_device - set the device state to SDEV_BLOCK
2948 * @ioc: per adapter object
2949 * @handle: device handle
2950 *
6c7abffc 2951 * During device pull we need to appropriately set the sdev state.
f92363d1
SR		 2952 */
2953static void
2954_scsih_block_io_all_device(struct MPT3SAS_ADAPTER *ioc)
2955{
2956 struct MPT3SAS_DEVICE *sas_device_priv_data;
2957 struct scsi_device *sdev;
2958
2959 shost_for_each_device(sdev, ioc->shost) {
2960 sas_device_priv_data = sdev->hostdata;
2961 if (!sas_device_priv_data)
2962 continue;
2963 if (sas_device_priv_data->block)
2964 continue;
30158dc9
SS		 2965 if (sas_device_priv_data->ignore_delay_remove) {
2966 sdev_printk(KERN_INFO, sdev,
2967 "%s skip device_block for SES handle(0x%04x)\n",
2968 __func__, sas_device_priv_data->sas_target->handle);
2969 continue;
2970 }
df838f92 2971 _scsih_internal_device_block(sdev, sas_device_priv_data);
f92363d1
SR		 2972 }
2973}
2974
2975/**
2976 * _scsih_block_io_device - set the device state to SDEV_BLOCK
2977 * @ioc: per adapter object
2978 * @handle: device handle
2979 *
6c7abffc 2980 * During device pull we need to appropriately set the sdev state.
f92363d1
SR		 2981 */
2982static void
2983_scsih_block_io_device(struct MPT3SAS_ADAPTER *ioc, u16 handle)
2984{
2985 struct MPT3SAS_DEVICE *sas_device_priv_data;
2986 struct scsi_device *sdev;
e4bc7f5c
SR		 2987 struct _sas_device *sas_device;
2988
d1cb5e49 2989 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
e4bc7f5c
SR		 2990 if (!sas_device)
2991 return;
f92363d1
SR		 2992
2993 shost_for_each_device(sdev, ioc->shost) {
2994 sas_device_priv_data = sdev->hostdata;
2995 if (!sas_device_priv_data)
2996 continue;
2997 if (sas_device_priv_data->sas_target->handle != handle)
2998 continue;
2999 if (sas_device_priv_data->block)
3000 continue;
e4bc7f5c
SR		 3001 if (sas_device->pend_sas_rphy_add)
3002 continue;
30158dc9
SS		 3003 if (sas_device_priv_data->ignore_delay_remove) {
3004 sdev_printk(KERN_INFO, sdev,
3005 "%s skip device_block for SES handle(0x%04x)\n",
3006 __func__, sas_device_priv_data->sas_target->handle);
3007 continue;
3008 }
df838f92 3009 _scsih_internal_device_block(sdev, sas_device_priv_data);
f92363d1 3010 }
d1cb5e49
SR		 3011
3012 sas_device_put(sas_device);
f92363d1
SR		 3013}
3014
3015/**
3016 * _scsih_block_io_to_children_attached_to_ex
3017 * @ioc: per adapter object
3018 * @sas_expander: the sas_device object
3019 *
3020 * This routine set sdev state to SDEV_BLOCK for all devices
3021 * attached to this expander. This function called when expander is
3022 * pulled.
3023 */
3024static void
3025_scsih_block_io_to_children_attached_to_ex(struct MPT3SAS_ADAPTER *ioc,
3026 struct _sas_node *sas_expander)
3027{
3028 struct _sas_port *mpt3sas_port;
3029 struct _sas_device *sas_device;
3030 struct _sas_node *expander_sibling;
3031 unsigned long flags;
3032
3033 if (!sas_expander)
3034 return;
3035
3036 list_for_each_entry(mpt3sas_port,
3037 &sas_expander->sas_port_list, port_list) {
3038 if (mpt3sas_port->remote_identify.device_type ==
3039 SAS_END_DEVICE) {
3040 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49
SR		 3041 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
3042 mpt3sas_port->remote_identify.sas_address);
3043 if (sas_device) {
f92363d1 3044 set_bit(sas_device->handle,
d1cb5e49
SR		 3045 ioc->blocking_handles);
3046 sas_device_put(sas_device);
3047 }
f92363d1
SR		 3048 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
3049 }
3050 }
3051
3052 list_for_each_entry(mpt3sas_port,
3053 &sas_expander->sas_port_list, port_list) {
3054
3055 if (mpt3sas_port->remote_identify.device_type ==
3056 SAS_EDGE_EXPANDER_DEVICE ||
3057 mpt3sas_port->remote_identify.device_type ==
3058 SAS_FANOUT_EXPANDER_DEVICE) {
3059 expander_sibling =
3060 mpt3sas_scsih_expander_find_by_sas_address(
3061 ioc, mpt3sas_port->remote_identify.sas_address);
3062 _scsih_block_io_to_children_attached_to_ex(ioc,
3063 expander_sibling);
3064 }
3065 }
3066}
3067
3068/**
3069 * _scsih_block_io_to_children_attached_directly
3070 * @ioc: per adapter object
3071 * @event_data: topology change event data
3072 *
3073 * This routine set sdev state to SDEV_BLOCK for all devices
3074 * direct attached during device pull.
3075 */
3076static void
3077_scsih_block_io_to_children_attached_directly(struct MPT3SAS_ADAPTER *ioc,
3078 Mpi2EventDataSasTopologyChangeList_t *event_data)
3079{
3080 int i;
3081 u16 handle;
3082 u16 reason_code;
f92363d1
SR		 3083
3084 for (i = 0; i < event_data->NumEntries; i++) {
3085 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
3086 if (!handle)
3087 continue;
f92363d1
SR		 3088 reason_code = event_data->PHY[i].PhyStatus &
3089 MPI2_EVENT_SAS_TOPO_RC_MASK;
3090 if (reason_code == MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING)
3091 _scsih_block_io_device(ioc, handle);
3092 }
3093}
3094
3095/**
3096 * _scsih_tm_tr_send - send task management request
3097 * @ioc: per adapter object
3098 * @handle: device handle
3099 * Context: interrupt time.
3100 *
3101 * This code is to initiate the device removal handshake protocol
3102 * with controller firmware. This function will issue target reset
3103 * using high priority request queue. It will send a sas iounit
3104 * control request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion.
3105 *
3106 * This is designed to send muliple task management request at the same
3107 * time to the fifo. If the fifo is full, we will append the request,
3108 * and process it in a future completion.
3109 */
3110static void
3111_scsih_tm_tr_send(struct MPT3SAS_ADAPTER *ioc, u16 handle)
3112{
3113 Mpi2SCSITaskManagementRequest_t *mpi_request;
3114 u16 smid;
d1cb5e49 3115 struct _sas_device *sas_device = NULL;
f92363d1
SR		 3116 struct MPT3SAS_TARGET *sas_target_priv_data = NULL;
3117 u64 sas_address = 0;
3118 unsigned long flags;
3119 struct _tr_list *delayed_tr;
3120 u32 ioc_state;
3121
3122 if (ioc->remove_host) {
3123 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3124 "%s: host has been removed: handle(0x%04x)\n",
3125 __func__, ioc->name, handle));
3126 return;
3127 } else if (ioc->pci_error_recovery) {
3128 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3129 "%s: host in pci error recovery: handle(0x%04x)\n",
3130 __func__, ioc->name,
3131 handle));
3132 return;
3133 }
3134 ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
3135 if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
3136 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3137 "%s: host is not operational: handle(0x%04x)\n",
3138 __func__, ioc->name,
3139 handle));
3140 return;
3141 }
3142
3143 /* if PD, then return */
3144 if (test_bit(handle, ioc->pd_handles))
3145 return;
3146
c696f7b8
SPS		 3147 clear_bit(handle, ioc->pend_os_device_add);
3148
f92363d1 3149 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 3150 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
f92363d1
SR		 3151 if (sas_device && sas_device->starget &&
3152 sas_device->starget->hostdata) {
3153 sas_target_priv_data = sas_device->starget->hostdata;
3154 sas_target_priv_data->deleted = 1;
3155 sas_address = sas_device->sas_address;
3156 }
3157 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
3158
3159 if (sas_target_priv_data) {
3160 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3161 "setting delete flag: handle(0x%04x), sas_addr(0x%016llx)\n",
3162 ioc->name, handle,
3163 (unsigned long long)sas_address));
e6d45e3e
SR		 3164 if (sas_device->enclosure_handle != 0)
3165 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3166 "setting delete flag:enclosure logical id(0x%016llx),"
3167 " slot(%d)\n", ioc->name, (unsigned long long)
3168 sas_device->enclosure_logical_id,
3169 sas_device->slot));
869817f9 3170 if (sas_device->connector_name[0] != '\0')
e6d45e3e
SR		 3171 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3172 "setting delete flag: enclosure level(0x%04x),"
3173 " connector name( %s)\n", ioc->name,
3174 sas_device->enclosure_level,
3175 sas_device->connector_name));
f92363d1
SR		 3176 _scsih_ublock_io_device(ioc, sas_address);
3177 sas_target_priv_data->handle = MPT3SAS_INVALID_DEVICE_HANDLE;
3178 }
3179
3180 smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_tr_cb_idx);
3181 if (!smid) {
3182 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
3183 if (!delayed_tr)
d1cb5e49 3184 goto out;
f92363d1
SR		 3185 INIT_LIST_HEAD(&delayed_tr->list);
3186 delayed_tr->handle = handle;
3187 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list);
3188 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3189 "DELAYED:tr:handle(0x%04x), (open)\n",
3190 ioc->name, handle));
d1cb5e49 3191 goto out;
f92363d1
SR		 3192 }
3193
3194 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3195 "tr_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
3196 ioc->name, handle, smid,
3197 ioc->tm_tr_cb_idx));
3198 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
3199 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
3200 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
3201 mpi_request->DevHandle = cpu_to_le16(handle);
3202 mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
c696f7b8 3203 set_bit(handle, ioc->device_remove_in_progress);
81c16f83 3204 ioc->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;
81c16f83 3303 ioc->put_smid_default(ioc, smid_sas_ctrl);
f92363d1
SR		 3304
3305 return _scsih_check_for_pending_tm(ioc, smid);
3306}
3307
3308
3309/**
3310 * _scsih_sas_control_complete - completion routine
3311 * @ioc: per adapter object
3312 * @smid: system request message index
3313 * @msix_index: MSIX table index supplied by the OS
3314 * @reply: reply message frame(lower 32bit addr)
3315 * Context: interrupt time.
3316 *
3317 * This is the sas iounit control completion routine.
3318 * This code is part of the code to initiate the device removal
3319 * handshake protocol with controller firmware.
3320 *
3321 * Return 1 meaning mf should be freed from _base_interrupt
3322 * 0 means the mf is freed from this function.
3323 */
3324static u8
3325_scsih_sas_control_complete(struct MPT3SAS_ADAPTER *ioc, u16 smid,
3326 u8 msix_index, u32 reply)
3327{
3328 Mpi2SasIoUnitControlReply_t *mpi_reply =
3329 mpt3sas_base_get_reply_virt_addr(ioc, reply);
3330
3331 if (likely(mpi_reply)) {
3332 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3333 "sc_complete:handle(0x%04x), (open) "
3334 "smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n",
3335 ioc->name, le16_to_cpu(mpi_reply->DevHandle), smid,
3336 le16_to_cpu(mpi_reply->IOCStatus),
3337 le32_to_cpu(mpi_reply->IOCLogInfo)));
c696f7b8
SPS		 3338 if (le16_to_cpu(mpi_reply->IOCStatus) ==
3339 MPI2_IOCSTATUS_SUCCESS) {
3340 clear_bit(le16_to_cpu(mpi_reply->DevHandle),
3341 ioc->device_remove_in_progress);
3342 }
f92363d1
SR		 3343 } else {
3344 pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n",
3345 ioc->name, __FILE__, __LINE__, __func__);
3346 }
fd0331b3 3347 return mpt3sas_check_for_pending_internal_cmds(ioc, smid);
f92363d1
SR		 3348}
3349
3350/**
3351 * _scsih_tm_tr_volume_send - send target reset request for volumes
3352 * @ioc: per adapter object
3353 * @handle: device handle
3354 * Context: interrupt time.
3355 *
3356 * This is designed to send muliple task management request at the same
3357 * time to the fifo. If the fifo is full, we will append the request,
3358 * and process it in a future completion.
3359 */
3360static void
3361_scsih_tm_tr_volume_send(struct MPT3SAS_ADAPTER *ioc, u16 handle)
3362{
3363 Mpi2SCSITaskManagementRequest_t *mpi_request;
3364 u16 smid;
3365 struct _tr_list *delayed_tr;
3366
3367 if (ioc->shost_recovery || ioc->remove_host ||
3368 ioc->pci_error_recovery) {
3369 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3370 "%s: host reset in progress!\n",
3371 __func__, ioc->name));
3372 return;
3373 }
3374
3375 smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_tr_volume_cb_idx);
3376 if (!smid) {
3377 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
3378 if (!delayed_tr)
3379 return;
3380 INIT_LIST_HEAD(&delayed_tr->list);
3381 delayed_tr->handle = handle;
3382 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_volume_list);
3383 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3384 "DELAYED:tr:handle(0x%04x), (open)\n",
3385 ioc->name, handle));
3386 return;
3387 }
3388
3389 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3390 "tr_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
3391 ioc->name, handle, smid,
3392 ioc->tm_tr_volume_cb_idx));
3393 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
3394 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
3395 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
3396 mpi_request->DevHandle = cpu_to_le16(handle);
3397 mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
81c16f83 3398 ioc->put_smid_hi_priority(ioc, smid, 0);
f92363d1
SR		 3399}
3400
3401/**
3402 * _scsih_tm_volume_tr_complete - target reset completion
3403 * @ioc: per adapter object
3404 * @smid: system request message index
3405 * @msix_index: MSIX table index supplied by the OS
3406 * @reply: reply message frame(lower 32bit addr)
3407 * Context: interrupt time.
3408 *
3409 * Return 1 meaning mf should be freed from _base_interrupt
3410 * 0 means the mf is freed from this function.
3411 */
3412static u8
3413_scsih_tm_volume_tr_complete(struct MPT3SAS_ADAPTER *ioc, u16 smid,
3414 u8 msix_index, u32 reply)
3415{
3416 u16 handle;
3417 Mpi2SCSITaskManagementRequest_t *mpi_request_tm;
3418 Mpi2SCSITaskManagementReply_t *mpi_reply =
3419 mpt3sas_base_get_reply_virt_addr(ioc, reply);
3420
3421 if (ioc->shost_recovery || ioc->remove_host ||
3422 ioc->pci_error_recovery) {
3423 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3424 "%s: host reset in progress!\n",
3425 __func__, ioc->name));
3426 return 1;
3427 }
3428 if (unlikely(!mpi_reply)) {
3429 pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n",
3430 ioc->name, __FILE__, __LINE__, __func__);
3431 return 1;
3432 }
3433
3434 mpi_request_tm = mpt3sas_base_get_msg_frame(ioc, smid);
3435 handle = le16_to_cpu(mpi_request_tm->DevHandle);
3436 if (handle != le16_to_cpu(mpi_reply->DevHandle)) {
3437 dewtprintk(ioc, pr_err(MPT3SAS_FMT
3438 "spurious interrupt: handle(0x%04x:0x%04x), smid(%d)!!!\n",
3439 ioc->name, handle,
3440 le16_to_cpu(mpi_reply->DevHandle), smid));
3441 return 0;
3442 }
3443
3444 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3445 "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
3446 "loginfo(0x%08x), completed(%d)\n", ioc->name,
3447 handle, smid, le16_to_cpu(mpi_reply->IOCStatus),
3448 le32_to_cpu(mpi_reply->IOCLogInfo),
3449 le32_to_cpu(mpi_reply->TerminationCount)));
3450
3451 return _scsih_check_for_pending_tm(ioc, smid);
3452}
3453
fd0331b3
SS		 3454/**
3455 * _scsih_issue_delayed_event_ack - issue delayed Event ACK messages
3456 * @ioc: per adapter object
3457 * @smid: system request message index
3458 * @event: Event ID
3459 * @event_context: used to track events uniquely
3460 *
3461 * Context - processed in interrupt context.
3462 */
8bbb1cf6 3463static void
fd0331b3
SS		 3464_scsih_issue_delayed_event_ack(struct MPT3SAS_ADAPTER *ioc, u16 smid, u16 event,
3465 u32 event_context)
3466{
3467 Mpi2EventAckRequest_t *ack_request;
3468 int i = smid - ioc->internal_smid;
3469 unsigned long flags;
3470
3471 /* Without releasing the smid just update the
3472 * call back index and reuse the same smid for
3473 * processing this delayed request
3474 */
3475 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
3476 ioc->internal_lookup[i].cb_idx = ioc->base_cb_idx;
3477 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
3478
3479 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3480 "EVENT ACK: event(0x%04x), smid(%d), cb(%d)\n",
3481 ioc->name, le16_to_cpu(event), smid,
3482 ioc->base_cb_idx));
3483 ack_request = mpt3sas_base_get_msg_frame(ioc, smid);
3484 memset(ack_request, 0, sizeof(Mpi2EventAckRequest_t));
3485 ack_request->Function = MPI2_FUNCTION_EVENT_ACK;
3486 ack_request->Event = event;
3487 ack_request->EventContext = event_context;
3488 ack_request->VF_ID = 0; /* TODO */
3489 ack_request->VP_ID = 0;
81c16f83 3490 ioc->put_smid_default(ioc, smid);
fd0331b3
SS		 3491}
3492
3493/**
3494 * _scsih_issue_delayed_sas_io_unit_ctrl - issue delayed
3495 * sas_io_unit_ctrl messages
3496 * @ioc: per adapter object
3497 * @smid: system request message index
3498 * @handle: device handle
3499 *
3500 * Context - processed in interrupt context.
3501 */
8bbb1cf6 3502static void
fd0331b3
SS		 3503_scsih_issue_delayed_sas_io_unit_ctrl(struct MPT3SAS_ADAPTER *ioc,
3504 u16 smid, u16 handle)
3505 {
3506 Mpi2SasIoUnitControlRequest_t *mpi_request;
3507 u32 ioc_state;
3508 int i = smid - ioc->internal_smid;
3509 unsigned long flags;
3510
3511 if (ioc->remove_host) {
3512 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3513 "%s: host has been removed\n",
3514 __func__, ioc->name));
3515 return;
3516 } else if (ioc->pci_error_recovery) {
3517 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3518 "%s: host in pci error recovery\n",
3519 __func__, ioc->name));
3520 return;
3521 }
3522 ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
3523 if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
3524 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3525 "%s: host is not operational\n",
3526 __func__, ioc->name));
3527 return;
3528 }
3529
3530 /* Without releasing the smid just update the
3531 * call back index and reuse the same smid for
3532 * processing this delayed request
3533 */
3534 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
3535 ioc->internal_lookup[i].cb_idx = ioc->tm_sas_control_cb_idx;
3536 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
3537
3538 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3539 "sc_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
3540 ioc->name, le16_to_cpu(handle), smid,
3541 ioc->tm_sas_control_cb_idx));
3542 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
3543 memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t));
3544 mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
3545 mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE;
3546 mpi_request->DevHandle = handle;
81c16f83 3547 ioc->put_smid_default(ioc, smid);
fd0331b3
SS		 3548}
3549
3550/**
3551 * _scsih_check_for_pending_internal_cmds - check for pending internal messages
3552 * @ioc: per adapter object
3553 * @smid: system request message index
3554 *
3555 * Context: Executed in interrupt context
3556 *
3557 * This will check delayed internal messages list, and process the
3558 * next request.
3559 *
3560 * Return 1 meaning mf should be freed from _base_interrupt
3561 * 0 means the mf is freed from this function.
3562 */
3563u8
3564mpt3sas_check_for_pending_internal_cmds(struct MPT3SAS_ADAPTER *ioc, u16 smid)
3565{
3566 struct _sc_list *delayed_sc;
3567 struct _event_ack_list *delayed_event_ack;
3568
3569 if (!list_empty(&ioc->delayed_event_ack_list)) {
3570 delayed_event_ack = list_entry(ioc->delayed_event_ack_list.next,
3571 struct _event_ack_list, list);
3572 _scsih_issue_delayed_event_ack(ioc, smid,
3573 delayed_event_ack->Event, delayed_event_ack->EventContext);
3574 list_del(&delayed_event_ack->list);
3575 kfree(delayed_event_ack);
3576 return 0;
3577 }
3578
3579 if (!list_empty(&ioc->delayed_sc_list)) {
3580 delayed_sc = list_entry(ioc->delayed_sc_list.next,
3581 struct _sc_list, list);
3582 _scsih_issue_delayed_sas_io_unit_ctrl(ioc, smid,
3583 delayed_sc->handle);
3584 list_del(&delayed_sc->list);
3585 kfree(delayed_sc);
3586 return 0;
3587 }
3588 return 1;
3589}
f92363d1
SR		 3590
3591/**
3592 * _scsih_check_for_pending_tm - check for pending task management
3593 * @ioc: per adapter object
3594 * @smid: system request message index
3595 *
3596 * This will check delayed target reset list, and feed the
3597 * next reqeust.
3598 *
3599 * Return 1 meaning mf should be freed from _base_interrupt
3600 * 0 means the mf is freed from this function.
3601 */
3602static u8
3603_scsih_check_for_pending_tm(struct MPT3SAS_ADAPTER *ioc, u16 smid)
3604{
3605 struct _tr_list *delayed_tr;
3606
3607 if (!list_empty(&ioc->delayed_tr_volume_list)) {
3608 delayed_tr = list_entry(ioc->delayed_tr_volume_list.next,
3609 struct _tr_list, list);
3610 mpt3sas_base_free_smid(ioc, smid);
3611 _scsih_tm_tr_volume_send(ioc, delayed_tr->handle);
3612 list_del(&delayed_tr->list);
3613 kfree(delayed_tr);
3614 return 0;
3615 }
3616
3617 if (!list_empty(&ioc->delayed_tr_list)) {
3618 delayed_tr = list_entry(ioc->delayed_tr_list.next,
3619 struct _tr_list, list);
3620 mpt3sas_base_free_smid(ioc, smid);
3621 _scsih_tm_tr_send(ioc, delayed_tr->handle);
3622 list_del(&delayed_tr->list);
3623 kfree(delayed_tr);
3624 return 0;
3625 }
3626
3627 return 1;
3628}
3629
3630/**
3631 * _scsih_check_topo_delete_events - sanity check on topo events
3632 * @ioc: per adapter object
3633 * @event_data: the event data payload
3634 *
3635 * This routine added to better handle cable breaker.
3636 *
3637 * This handles the case where driver receives multiple expander
3638 * add and delete events in a single shot. When there is a delete event
3639 * the routine will void any pending add events waiting in the event queue.
3640 *
3641 * Return nothing.
3642 */
3643static void
3644_scsih_check_topo_delete_events(struct MPT3SAS_ADAPTER *ioc,
3645 Mpi2EventDataSasTopologyChangeList_t *event_data)
3646{
3647 struct fw_event_work *fw_event;
3648 Mpi2EventDataSasTopologyChangeList_t *local_event_data;
3649 u16 expander_handle;
3650 struct _sas_node *sas_expander;
3651 unsigned long flags;
3652 int i, reason_code;
3653 u16 handle;
3654
3655 for (i = 0 ; i < event_data->NumEntries; i++) {
3656 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
3657 if (!handle)
3658 continue;
3659 reason_code = event_data->PHY[i].PhyStatus &
3660 MPI2_EVENT_SAS_TOPO_RC_MASK;
3661 if (reason_code == MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)
3662 _scsih_tm_tr_send(ioc, handle);
3663 }
3664
3665 expander_handle = le16_to_cpu(event_data->ExpanderDevHandle);
3666 if (expander_handle < ioc->sas_hba.num_phys) {
3667 _scsih_block_io_to_children_attached_directly(ioc, event_data);
3668 return;
3669 }
3670 if (event_data->ExpStatus ==
3671 MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING) {
3672 /* put expander attached devices into blocking state */
3673 spin_lock_irqsave(&ioc->sas_node_lock, flags);
3674 sas_expander = mpt3sas_scsih_expander_find_by_handle(ioc,
3675 expander_handle);
3676 _scsih_block_io_to_children_attached_to_ex(ioc, sas_expander);
3677 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
3678 do {
3679 handle = find_first_bit(ioc->blocking_handles,
3680 ioc->facts.MaxDevHandle);
3681 if (handle < ioc->facts.MaxDevHandle)
3682 _scsih_block_io_device(ioc, handle);
3683 } while (test_and_clear_bit(handle, ioc->blocking_handles));
3684 } else if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_RESPONDING)
3685 _scsih_block_io_to_children_attached_directly(ioc, event_data);
3686
3687 if (event_data->ExpStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING)
3688 return;
3689
3690 /* mark ignore flag for pending events */
3691 spin_lock_irqsave(&ioc->fw_event_lock, flags);
3692 list_for_each_entry(fw_event, &ioc->fw_event_list, list) {
3693 if (fw_event->event != MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
3694 fw_event->ignore)
3695 continue;
35b62362
JL		 3696 local_event_data = (Mpi2EventDataSasTopologyChangeList_t *)
3697 fw_event->event_data;
f92363d1
SR		 3698 if (local_event_data->ExpStatus ==
3699 MPI2_EVENT_SAS_TOPO_ES_ADDED ||
3700 local_event_data->ExpStatus ==
3701 MPI2_EVENT_SAS_TOPO_ES_RESPONDING) {
3702 if (le16_to_cpu(local_event_data->ExpanderDevHandle) ==
3703 expander_handle) {
3704 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3705 "setting ignoring flag\n", ioc->name));
3706 fw_event->ignore = 1;
3707 }
3708 }
3709 }
3710 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
3711}
3712
3713/**
3714 * _scsih_set_volume_delete_flag - setting volume delete flag
3715 * @ioc: per adapter object
3716 * @handle: device handle
3717 *
3718 * This returns nothing.
3719 */
3720static void
3721_scsih_set_volume_delete_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle)
3722{
3723 struct _raid_device *raid_device;
3724 struct MPT3SAS_TARGET *sas_target_priv_data;
3725 unsigned long flags;
3726
3727 spin_lock_irqsave(&ioc->raid_device_lock, flags);
c84b06a4 3728 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
f92363d1
SR		 3729 if (raid_device && raid_device->starget &&
3730 raid_device->starget->hostdata) {
3731 sas_target_priv_data =
3732 raid_device->starget->hostdata;
3733 sas_target_priv_data->deleted = 1;
3734 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3735 "setting delete flag: handle(0x%04x), "
3736 "wwid(0x%016llx)\n", ioc->name, handle,
3737 (unsigned long long) raid_device->wwid));
3738 }
3739 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
3740}
3741
3742/**
3743 * _scsih_set_volume_handle_for_tr - set handle for target reset to volume
3744 * @handle: input handle
3745 * @a: handle for volume a
3746 * @b: handle for volume b
3747 *
3748 * IR firmware only supports two raid volumes. The purpose of this
3749 * routine is to set the volume handle in either a or b. When the given
3750 * input handle is non-zero, or when a and b have not been set before.
3751 */
3752static void
3753_scsih_set_volume_handle_for_tr(u16 handle, u16 *a, u16 *b)
3754{
3755 if (!handle || handle == *a || handle == *b)
3756 return;
3757 if (!*a)
3758 *a = handle;
3759 else if (!*b)
3760 *b = handle;
3761}
3762
3763/**
3764 * _scsih_check_ir_config_unhide_events - check for UNHIDE events
3765 * @ioc: per adapter object
3766 * @event_data: the event data payload
3767 * Context: interrupt time.
3768 *
3769 * This routine will send target reset to volume, followed by target
3770 * resets to the PDs. This is called when a PD has been removed, or
3771 * volume has been deleted or removed. When the target reset is sent
3772 * to volume, the PD target resets need to be queued to start upon
3773 * completion of the volume target reset.
3774 *
3775 * Return nothing.
3776 */
3777static void
3778_scsih_check_ir_config_unhide_events(struct MPT3SAS_ADAPTER *ioc,
3779 Mpi2EventDataIrConfigChangeList_t *event_data)
3780{
3781 Mpi2EventIrConfigElement_t *element;
3782 int i;
3783 u16 handle, volume_handle, a, b;
3784 struct _tr_list *delayed_tr;
3785
3786 a = 0;
3787 b = 0;
3788
7786ab6a
SR		 3789 if (ioc->is_warpdrive)
3790 return;
3791
f92363d1
SR		 3792 /* Volume Resets for Deleted or Removed */
3793 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
3794 for (i = 0; i < event_data->NumElements; i++, element++) {
3795 if (le32_to_cpu(event_data->Flags) &
3796 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
3797 continue;
3798 if (element->ReasonCode ==
3799 MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED ||
3800 element->ReasonCode ==
3801 MPI2_EVENT_IR_CHANGE_RC_REMOVED) {
3802 volume_handle = le16_to_cpu(element->VolDevHandle);
3803 _scsih_set_volume_delete_flag(ioc, volume_handle);
3804 _scsih_set_volume_handle_for_tr(volume_handle, &a, &b);
3805 }
3806 }
3807
3808 /* Volume Resets for UNHIDE events */
3809 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
3810 for (i = 0; i < event_data->NumElements; i++, element++) {
3811 if (le32_to_cpu(event_data->Flags) &
3812 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
3813 continue;
3814 if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_UNHIDE) {
3815 volume_handle = le16_to_cpu(element->VolDevHandle);
3816 _scsih_set_volume_handle_for_tr(volume_handle, &a, &b);
3817 }
3818 }
3819
3820 if (a)
3821 _scsih_tm_tr_volume_send(ioc, a);
3822 if (b)
3823 _scsih_tm_tr_volume_send(ioc, b);
3824
3825 /* PD target resets */
3826 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
3827 for (i = 0; i < event_data->NumElements; i++, element++) {
3828 if (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_UNHIDE)
3829 continue;
3830 handle = le16_to_cpu(element->PhysDiskDevHandle);
3831 volume_handle = le16_to_cpu(element->VolDevHandle);
3832 clear_bit(handle, ioc->pd_handles);
3833 if (!volume_handle)
3834 _scsih_tm_tr_send(ioc, handle);
3835 else if (volume_handle == a || volume_handle == b) {
3836 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
3837 BUG_ON(!delayed_tr);
3838 INIT_LIST_HEAD(&delayed_tr->list);
3839 delayed_tr->handle = handle;
3840 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list);
3841 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3842 "DELAYED:tr:handle(0x%04x), (open)\n", ioc->name,
3843 handle));
3844 } else
3845 _scsih_tm_tr_send(ioc, handle);
3846 }
3847}
3848
3849
3850/**
3851 * _scsih_check_volume_delete_events - set delete flag for volumes
3852 * @ioc: per adapter object
3853 * @event_data: the event data payload
3854 * Context: interrupt time.
3855 *
3856 * This will handle the case when the cable connected to entire volume is
3857 * pulled. We will take care of setting the deleted flag so normal IO will
3858 * not be sent.
3859 *
3860 * Return nothing.
3861 */
3862static void
3863_scsih_check_volume_delete_events(struct MPT3SAS_ADAPTER *ioc,
3864 Mpi2EventDataIrVolume_t *event_data)
3865{
3866 u32 state;
3867
3868 if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
3869 return;
3870 state = le32_to_cpu(event_data->NewValue);
3871 if (state == MPI2_RAID_VOL_STATE_MISSING || state ==
3872 MPI2_RAID_VOL_STATE_FAILED)
3873 _scsih_set_volume_delete_flag(ioc,
3874 le16_to_cpu(event_data->VolDevHandle));
3875}
3876
2d8ce8c9
SR		 3877/**
3878 * _scsih_temp_threshold_events - display temperature threshold exceeded events
3879 * @ioc: per adapter object
3880 * @event_data: the temp threshold event data
3881 * Context: interrupt time.
3882 *
3883 * Return nothing.
3884 */
3885static void
3886_scsih_temp_threshold_events(struct MPT3SAS_ADAPTER *ioc,
3887 Mpi2EventDataTemperature_t *event_data)
3888{
3889 if (ioc->temp_sensors_count >= event_data->SensorNum) {
3890 pr_err(MPT3SAS_FMT "Temperature Threshold flags %s%s%s%s"
3891 " exceeded for Sensor: %d !!!\n", ioc->name,
3892 ((le16_to_cpu(event_data->Status) & 0x1) == 1) ? "0 " : " ",
3893 ((le16_to_cpu(event_data->Status) & 0x2) == 2) ? "1 " : " ",
3894 ((le16_to_cpu(event_data->Status) & 0x4) == 4) ? "2 " : " ",
3895 ((le16_to_cpu(event_data->Status) & 0x8) == 8) ? "3 " : " ",
3896 event_data->SensorNum);
3897 pr_err(MPT3SAS_FMT "Current Temp In Celsius: %d\n",
3898 ioc->name, event_data->CurrentTemperature);
3899 }
3900}
3901
ffb58456 3902static int _scsih_set_satl_pending(struct scsi_cmnd *scmd, bool pending)
7ff723ad 3903{
ffb58456
JB		 3904 struct MPT3SAS_DEVICE *priv = scmd->device->hostdata;
3905
3906 if (scmd->cmnd[0] != ATA_12 && scmd->cmnd[0] != ATA_16)
3907 return 0;
3908
3909 if (pending)
3910 return test_and_set_bit(0, &priv->ata_command_pending);
3911
3912 clear_bit(0, &priv->ata_command_pending);
3913 return 0;
7ff723ad
SP		 3914}
3915
f92363d1
SR		 3916/**
3917 * _scsih_flush_running_cmds - completing outstanding commands.
3918 * @ioc: per adapter object
3919 *
3920 * The flushing out of all pending scmd commands following host reset,
3921 * where all IO is dropped to the floor.
3922 *
3923 * Return nothing.
3924 */
3925static void
3926_scsih_flush_running_cmds(struct MPT3SAS_ADAPTER *ioc)
3927{
3928 struct scsi_cmnd *scmd;
3929 u16 smid;
3930 u16 count = 0;
3931
3932 for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
3933 scmd = _scsih_scsi_lookup_get_clear(ioc, smid);
3934 if (!scmd)
3935 continue;
3936 count++;
ffb58456 3937 _scsih_set_satl_pending(scmd, false);
f92363d1
SR		 3938 mpt3sas_base_free_smid(ioc, smid);
3939 scsi_dma_unmap(scmd);
3940 if (ioc->pci_error_recovery)
3941 scmd->result = DID_NO_CONNECT << 16;
3942 else
3943 scmd->result = DID_RESET << 16;
3944 scmd->scsi_done(scmd);
3945 }
3946 dtmprintk(ioc, pr_info(MPT3SAS_FMT "completing %d cmds\n",
3947 ioc->name, count));
3948}
3949
3950/**
3951 * _scsih_setup_eedp - setup MPI request for EEDP transfer
3952 * @ioc: per adapter object
3953 * @scmd: pointer to scsi command object
6c7abffc 3954 * @mpi_request: pointer to the SCSI_IO request message frame
f92363d1
SR		 3955 *
3956 * Supporting protection 1 and 3.
3957 *
3958 * Returns nothing
3959 */
3960static void
3961_scsih_setup_eedp(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
3962 Mpi2SCSIIORequest_t *mpi_request)
3963{
3964 u16 eedp_flags;
3965 unsigned char prot_op = scsi_get_prot_op(scmd);
3966 unsigned char prot_type = scsi_get_prot_type(scmd);
3967 Mpi25SCSIIORequest_t *mpi_request_3v =
3968 (Mpi25SCSIIORequest_t *)mpi_request;
3969
3970 if (prot_type == SCSI_PROT_DIF_TYPE0 || prot_op == SCSI_PROT_NORMAL)
3971 return;
3972
3973 if (prot_op == SCSI_PROT_READ_STRIP)
3974 eedp_flags = MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP;
3975 else if (prot_op == SCSI_PROT_WRITE_INSERT)
3976 eedp_flags = MPI2_SCSIIO_EEDPFLAGS_INSERT_OP;
3977 else
3978 return;
3979
3980 switch (prot_type) {
3981 case SCSI_PROT_DIF_TYPE1:
3982 case SCSI_PROT_DIF_TYPE2:
3983
3984 /*
3985 * enable ref/guard checking
3986 * auto increment ref tag
3987 */
3988 eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
3989 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG |
3990 MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
3991 mpi_request->CDB.EEDP32.PrimaryReferenceTag =
648512cc 3992 cpu_to_be32(scsi_prot_ref_tag(scmd));
f92363d1
SR		 3993 break;
3994
3995 case SCSI_PROT_DIF_TYPE3:
3996
3997 /*
3998 * enable guard checking
3999 */
4000 eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
4001
4002 break;
4003 }
4004
4005 mpi_request_3v->EEDPBlockSize =
4006 cpu_to_le16(scmd->device->sector_size);
186a18e5
SPS		 4007
4008 if (ioc->is_gen35_ioc)
4009 eedp_flags |= MPI25_SCSIIO_EEDPFLAGS_APPTAG_DISABLE_MODE;
f92363d1
SR		 4010 mpi_request->EEDPFlags = cpu_to_le16(eedp_flags);
4011}
4012
4013/**
4014 * _scsih_eedp_error_handling - return sense code for EEDP errors
4015 * @scmd: pointer to scsi command object
4016 * @ioc_status: ioc status
4017 *
4018 * Returns nothing
4019 */
4020static void
4021_scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status)
4022{
4023 u8 ascq;
4024
4025 switch (ioc_status) {
4026 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
4027 ascq = 0x01;
4028 break;
4029 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
4030 ascq = 0x02;
4031 break;
4032 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
4033 ascq = 0x03;
4034 break;
4035 default:
4036 ascq = 0x00;
4037 break;
4038 }
4039 scsi_build_sense_buffer(0, scmd->sense_buffer, ILLEGAL_REQUEST, 0x10,
4040 ascq);
4041 scmd->result = DRIVER_SENSE << 24 | (DID_ABORT << 16) |
4042 SAM_STAT_CHECK_CONDITION;
4043}
4044
f92363d1 4045/**
8a7e4c24 4046 * scsih_qcmd - main scsi request entry point
f92363d1
SR		 4047 * @scmd: pointer to scsi command object
4048 * @done: function pointer to be invoked on completion
4049 *
4050 * The callback index is set inside `ioc->scsi_io_cb_idx`.
4051 *
4052 * Returns 0 on success. If there's a failure, return either:
4053 * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or
4054 * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full
4055 */
8bbb1cf6 4056static int
8a7e4c24 4057scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd)
f92363d1 4058{
d8bfbd8d 4059 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
f92363d1
SR		 4060 struct MPT3SAS_DEVICE *sas_device_priv_data;
4061 struct MPT3SAS_TARGET *sas_target_priv_data;
7786ab6a 4062 struct _raid_device *raid_device;
307d9075
AM		 4063 struct request *rq = scmd->request;
4064 int class;
f92363d1
SR		 4065 Mpi2SCSIIORequest_t *mpi_request;
4066 u32 mpi_control;
4067 u16 smid;
4068 u16 handle;
4069
f92363d1
SR		 4070 if (ioc->logging_level & MPT_DEBUG_SCSI)
4071 scsi_print_command(scmd);
f92363d1 4072
f92363d1
SR		 4073 sas_device_priv_data = scmd->device->hostdata;
4074 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
4075 scmd->result = DID_NO_CONNECT << 16;
4076 scmd->scsi_done(scmd);
4077 return 0;
4078 }
4079
4080 if (ioc->pci_error_recovery || ioc->remove_host) {
4081 scmd->result = DID_NO_CONNECT << 16;
4082 scmd->scsi_done(scmd);
4083 return 0;
4084 }
4085
ffb58456
JB		 4086 /*
4087 * Bug work around for firmware SATL handling. The loop
4088 * is based on atomic operations and ensures consistency
4089 * since we're lockless at this point
4090 */
4091 do {
4092 if (test_bit(0, &sas_device_priv_data->ata_command_pending)) {
4093 scmd->result = SAM_STAT_BUSY;
4094 scmd->scsi_done(scmd);
4095 return 0;
4096 }
4097 } while (_scsih_set_satl_pending(scmd, true));
4098
f92363d1
SR		 4099 sas_target_priv_data = sas_device_priv_data->sas_target;
4100
4101 /* invalid device handle */
4102 handle = sas_target_priv_data->handle;
4103 if (handle == MPT3SAS_INVALID_DEVICE_HANDLE) {
4104 scmd->result = DID_NO_CONNECT << 16;
4105 scmd->scsi_done(scmd);
4106 return 0;
4107 }
4108
4109
4110 /* host recovery or link resets sent via IOCTLs */
4111 if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress)
4112 return SCSI_MLQUEUE_HOST_BUSY;
4113
4114 /* device has been deleted */
4115 else if (sas_target_priv_data->deleted) {
4116 scmd->result = DID_NO_CONNECT << 16;
4117 scmd->scsi_done(scmd);
4118 return 0;
6c7abffc 4119 /* device busy with task management */
f92363d1
SR		 4120 } else if (sas_target_priv_data->tm_busy ||
4121 sas_device_priv_data->block)
4122 return SCSI_MLQUEUE_DEVICE_BUSY;
4123
4124 if (scmd->sc_data_direction == DMA_FROM_DEVICE)
4125 mpi_control = MPI2_SCSIIO_CONTROL_READ;
4126 else if (scmd->sc_data_direction == DMA_TO_DEVICE)
4127 mpi_control = MPI2_SCSIIO_CONTROL_WRITE;
4128 else
4129 mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER;
4130
4131 /* set tags */
609aa22f 4132 mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
307d9075
AM		 4133 /* NCQ Prio supported, make sure control indicated high priority */
4134 if (sas_device_priv_data->ncq_prio_enable) {
4135 class = IOPRIO_PRIO_CLASS(req_get_ioprio(rq));
4136 if (class == IOPRIO_CLASS_RT)
4137 mpi_control |= 1 << MPI2_SCSIIO_CONTROL_CMDPRI_SHIFT;
4138 }
7786ab6a
SR		 4139 /* Make sure Device is not raid volume.
4140 * We do not expose raid functionality to upper layer for warpdrive.
4141 */
4142 if (!ioc->is_warpdrive && !scsih_is_raid(&scmd->device->sdev_gendev)
15de0de2 4143 && sas_is_tlr_enabled(scmd->device) && scmd->cmd_len != 32)
f92363d1
SR		 4144 mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON;
4145
4146 smid = mpt3sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd);
4147 if (!smid) {
4148 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
4149 ioc->name, __func__);
4150 goto out;
4151 }
4152 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
4153 memset(mpi_request, 0, sizeof(Mpi2SCSIIORequest_t));
4154 _scsih_setup_eedp(ioc, scmd, mpi_request);
4155
4156 if (scmd->cmd_len == 32)
4157 mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT;
4158 mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
4159 if (sas_device_priv_data->sas_target->flags &
4160 MPT_TARGET_FLAGS_RAID_COMPONENT)
4161 mpi_request->Function = MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
4162 else
4163 mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
4164 mpi_request->DevHandle = cpu_to_le16(handle);
4165 mpi_request->DataLength = cpu_to_le32(scsi_bufflen(scmd));
4166 mpi_request->Control = cpu_to_le32(mpi_control);
4167 mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len);
4168 mpi_request->MsgFlags = MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR;
4169 mpi_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE;
4170 mpi_request->SenseBufferLowAddress =
4171 mpt3sas_base_get_sense_buffer_dma(ioc, smid);
4172 mpi_request->SGLOffset0 = offsetof(Mpi2SCSIIORequest_t, SGL) / 4;
4173 int_to_scsilun(sas_device_priv_data->lun, (struct scsi_lun *)
4174 mpi_request->LUN);
4175 memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len);
4176
4177 if (mpi_request->DataLength) {
4178 if (ioc->build_sg_scmd(ioc, scmd, smid)) {
4179 mpt3sas_base_free_smid(ioc, smid);
4180 goto out;
4181 }
4182 } else
4183 ioc->build_zero_len_sge(ioc, &mpi_request->SGL);
4184
7786ab6a
SR		 4185 raid_device = sas_target_priv_data->raid_device;
4186 if (raid_device && raid_device->direct_io_enabled)
c84b06a4 4187 mpt3sas_setup_direct_io(ioc, scmd, raid_device, mpi_request,
7786ab6a 4188 smid);
7786ab6a 4189
f92363d1
SR		 4190 if (likely(mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST)) {
4191 if (sas_target_priv_data->flags & MPT_TARGET_FASTPATH_IO) {
4192 mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len |
4193 MPI25_SCSIIO_IOFLAGS_FAST_PATH);
81c16f83 4194 ioc->put_smid_fast_path(ioc, smid, handle);
f92363d1 4195 } else
81c16f83 4196 ioc->put_smid_scsi_io(ioc, smid,
7786ab6a 4197 le16_to_cpu(mpi_request->DevHandle));
f92363d1 4198 } else
81c16f83 4199 ioc->put_smid_default(ioc, smid);
f92363d1
SR		 4200 return 0;
4201
4202 out:
4203 return SCSI_MLQUEUE_HOST_BUSY;
4204}
f92363d1
SR		 4205
4206/**
4207 * _scsih_normalize_sense - normalize descriptor and fixed format sense data
4208 * @sense_buffer: sense data returned by target
4209 * @data: normalized skey/asc/ascq
4210 *
4211 * Return nothing.
4212 */
4213static void
4214_scsih_normalize_sense(char *sense_buffer, struct sense_info *data)
4215{
4216 if ((sense_buffer[0] & 0x7F) >= 0x72) {
4217 /* descriptor format */
4218 data->skey = sense_buffer[1] & 0x0F;
4219 data->asc = sense_buffer[2];
4220 data->ascq = sense_buffer[3];
4221 } else {
4222 /* fixed format */
4223 data->skey = sense_buffer[2] & 0x0F;
4224 data->asc = sense_buffer[12];
4225 data->ascq = sense_buffer[13];
4226 }
4227}
4228
f92363d1
SR		 4229/**
4230 * _scsih_scsi_ioc_info - translated non-succesfull SCSI_IO request
4231 * @ioc: per adapter object
4232 * @scmd: pointer to scsi command object
4233 * @mpi_reply: reply mf payload returned from firmware
4234 *
4235 * scsi_status - SCSI Status code returned from target device
4236 * scsi_state - state info associated with SCSI_IO determined by ioc
4237 * ioc_status - ioc supplied status info
4238 *
4239 * Return nothing.
4240 */
4241static void
4242_scsih_scsi_ioc_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
4243 Mpi2SCSIIOReply_t *mpi_reply, u16 smid)
4244{
4245 u32 response_info;
4246 u8 *response_bytes;
4247 u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) &
4248 MPI2_IOCSTATUS_MASK;
4249 u8 scsi_state = mpi_reply->SCSIState;
4250 u8 scsi_status = mpi_reply->SCSIStatus;
4251 char *desc_ioc_state = NULL;
4252 char *desc_scsi_status = NULL;
4253 char *desc_scsi_state = ioc->tmp_string;
4254 u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
4255 struct _sas_device *sas_device = NULL;
f92363d1
SR		 4256 struct scsi_target *starget = scmd->device->sdev_target;
4257 struct MPT3SAS_TARGET *priv_target = starget->hostdata;
4258 char *device_str = NULL;
4259
4260 if (!priv_target)
4261 return;
7786ab6a
SR		 4262 if (ioc->hide_ir_msg)
4263 device_str = "WarpDrive";
4264 else
4265 device_str = "volume";
f92363d1
SR		 4266
4267 if (log_info == 0x31170000)
4268 return;
4269
4270 switch (ioc_status) {
4271 case MPI2_IOCSTATUS_SUCCESS:
4272 desc_ioc_state = "success";
4273 break;
4274 case MPI2_IOCSTATUS_INVALID_FUNCTION:
4275 desc_ioc_state = "invalid function";
4276 break;
4277 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
4278 desc_ioc_state = "scsi recovered error";
4279 break;
4280 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
4281 desc_ioc_state = "scsi invalid dev handle";
4282 break;
4283 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
4284 desc_ioc_state = "scsi device not there";
4285 break;
4286 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
4287 desc_ioc_state = "scsi data overrun";
4288 break;
4289 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
4290 desc_ioc_state = "scsi data underrun";
4291 break;
4292 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
4293 desc_ioc_state = "scsi io data error";
4294 break;
4295 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
4296 desc_ioc_state = "scsi protocol error";
4297 break;
4298 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
4299 desc_ioc_state = "scsi task terminated";
4300 break;
4301 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
4302 desc_ioc_state = "scsi residual mismatch";
4303 break;
4304 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
4305 desc_ioc_state = "scsi task mgmt failed";
4306 break;
4307 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
4308 desc_ioc_state = "scsi ioc terminated";
4309 break;
4310 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
4311 desc_ioc_state = "scsi ext terminated";
4312 break;
4313 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
4314 desc_ioc_state = "eedp guard error";
4315 break;
4316 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
4317 desc_ioc_state = "eedp ref tag error";
4318 break;
4319 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
4320 desc_ioc_state = "eedp app tag error";
4321 break;
b130b0d5
SS		 4322 case MPI2_IOCSTATUS_INSUFFICIENT_POWER:
4323 desc_ioc_state = "insufficient power";
4324 break;
f92363d1
SR		 4325 default:
4326 desc_ioc_state = "unknown";
4327 break;
4328 }
4329
4330 switch (scsi_status) {
4331 case MPI2_SCSI_STATUS_GOOD:
4332 desc_scsi_status = "good";
4333 break;
4334 case MPI2_SCSI_STATUS_CHECK_CONDITION:
4335 desc_scsi_status = "check condition";
4336 break;
4337 case MPI2_SCSI_STATUS_CONDITION_MET:
4338 desc_scsi_status = "condition met";
4339 break;
4340 case MPI2_SCSI_STATUS_BUSY:
4341 desc_scsi_status = "busy";
4342 break;
4343 case MPI2_SCSI_STATUS_INTERMEDIATE:
4344 desc_scsi_status = "intermediate";
4345 break;
4346 case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET:
4347 desc_scsi_status = "intermediate condmet";
4348 break;
4349 case MPI2_SCSI_STATUS_RESERVATION_CONFLICT:
4350 desc_scsi_status = "reservation conflict";
4351 break;
4352 case MPI2_SCSI_STATUS_COMMAND_TERMINATED:
4353 desc_scsi_status = "command terminated";
4354 break;
4355 case MPI2_SCSI_STATUS_TASK_SET_FULL:
4356 desc_scsi_status = "task set full";
4357 break;
4358 case MPI2_SCSI_STATUS_ACA_ACTIVE:
4359 desc_scsi_status = "aca active";
4360 break;
4361 case MPI2_SCSI_STATUS_TASK_ABORTED:
4362 desc_scsi_status = "task aborted";
4363 break;
4364 default:
4365 desc_scsi_status = "unknown";
4366 break;
4367 }
4368
4369 desc_scsi_state[0] = '\0';
4370 if (!scsi_state)
4371 desc_scsi_state = " ";
4372 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
4373 strcat(desc_scsi_state, "response info ");
4374 if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
4375 strcat(desc_scsi_state, "state terminated ");
4376 if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS)
4377 strcat(desc_scsi_state, "no status ");
4378 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED)
4379 strcat(desc_scsi_state, "autosense failed ");
4380 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)
4381 strcat(desc_scsi_state, "autosense valid ");
4382
4383 scsi_print_command(scmd);
4384
4385 if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) {
4386 pr_warn(MPT3SAS_FMT "\t%s wwid(0x%016llx)\n", ioc->name,
4387 device_str, (unsigned long long)priv_target->sas_address);
4388 } else {
d1cb5e49 4389 sas_device = mpt3sas_get_sdev_from_target(ioc, priv_target);
f92363d1
SR		 4390 if (sas_device) {
4391 pr_warn(MPT3SAS_FMT
4392 "\tsas_address(0x%016llx), phy(%d)\n",
4393 ioc->name, (unsigned long long)
4394 sas_device->sas_address, sas_device->phy);
e6d45e3e
SR		 4395 if (sas_device->enclosure_handle != 0)
4396 pr_warn(MPT3SAS_FMT
4397 "\tenclosure_logical_id(0x%016llx),"
4398 "slot(%d)\n", ioc->name,
4399 (unsigned long long)
4400 sas_device->enclosure_logical_id,
4401 sas_device->slot);
4402 if (sas_device->connector_name[0])
4403 pr_warn(MPT3SAS_FMT
4404 "\tenclosure level(0x%04x),"
4405 " connector name( %s)\n", ioc->name,
4406 sas_device->enclosure_level,
4407 sas_device->connector_name);
d1cb5e49
SR		 4408
4409 sas_device_put(sas_device);
f92363d1 4410 }
f92363d1
SR		 4411 }
4412
4413 pr_warn(MPT3SAS_FMT
4414 "\thandle(0x%04x), ioc_status(%s)(0x%04x), smid(%d)\n",
4415 ioc->name, le16_to_cpu(mpi_reply->DevHandle),
4416 desc_ioc_state, ioc_status, smid);
4417 pr_warn(MPT3SAS_FMT
4418 "\trequest_len(%d), underflow(%d), resid(%d)\n",
4419 ioc->name, scsi_bufflen(scmd), scmd->underflow,
4420 scsi_get_resid(scmd));
4421 pr_warn(MPT3SAS_FMT
4422 "\ttag(%d), transfer_count(%d), sc->result(0x%08x)\n",
4423 ioc->name, le16_to_cpu(mpi_reply->TaskTag),
4424 le32_to_cpu(mpi_reply->TransferCount), scmd->result);
4425 pr_warn(MPT3SAS_FMT
4426 "\tscsi_status(%s)(0x%02x), scsi_state(%s)(0x%02x)\n",
4427 ioc->name, desc_scsi_status,
4428 scsi_status, desc_scsi_state, scsi_state);
4429
4430 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
4431 struct sense_info data;
4432 _scsih_normalize_sense(scmd->sense_buffer, &data);
4433 pr_warn(MPT3SAS_FMT
4434 "\t[sense_key,asc,ascq]: [0x%02x,0x%02x,0x%02x], count(%d)\n",
4435 ioc->name, data.skey,
4436 data.asc, data.ascq, le32_to_cpu(mpi_reply->SenseCount));
4437 }
4438
4439 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) {
4440 response_info = le32_to_cpu(mpi_reply->ResponseInfo);
4441 response_bytes = (u8 *)&response_info;
4442 _scsih_response_code(ioc, response_bytes[0]);
4443 }
4444}
f92363d1
SR		 4445
4446/**
0f624c39 4447 * _scsih_turn_on_pfa_led - illuminate PFA LED
f92363d1
SR		 4448 * @ioc: per adapter object
4449 * @handle: device handle
4450 * Context: process
4451 *
4452 * Return nothing.
4453 */
4454static void
0f624c39 4455_scsih_turn_on_pfa_led(struct MPT3SAS_ADAPTER *ioc, u16 handle)
f92363d1
SR		 4456{
4457 Mpi2SepReply_t mpi_reply;
4458 Mpi2SepRequest_t mpi_request;
0f624c39
SR		 4459 struct _sas_device *sas_device;
4460
d1cb5e49 4461 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
0f624c39
SR		 4462 if (!sas_device)
4463 return;
f92363d1
SR		 4464
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 =
4469 cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
4470 mpi_request.DevHandle = cpu_to_le16(handle);
4471 mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS;
4472 if ((mpt3sas_base_scsi_enclosure_processor(ioc, &mpi_reply,
4473 &mpi_request)) != 0) {
4474 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", ioc->name,
4475 __FILE__, __LINE__, __func__);
d1cb5e49 4476 goto out;
f92363d1 4477 }
0f624c39 4478 sas_device->pfa_led_on = 1;
f92363d1
SR		 4479
4480 if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) {
4481 dewtprintk(ioc, pr_info(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)));
d1cb5e49 4485 goto out;
f92363d1 4486 }
d1cb5e49
SR		 4487out:
4488 sas_device_put(sas_device);
f92363d1 4489}
d1cb5e49 4490
0f624c39
SR		 4491/**
4492 * _scsih_turn_off_pfa_led - turn off Fault LED
4493 * @ioc: per adapter object
4494 * @sas_device: sas device whose PFA LED has to turned off
4495 * Context: process
4496 *
4497 * Return nothing.
4498 */
4499static void
4500_scsih_turn_off_pfa_led(struct MPT3SAS_ADAPTER *ioc,
4501 struct _sas_device *sas_device)
4502{
4503 Mpi2SepReply_t mpi_reply;
4504 Mpi2SepRequest_t mpi_request;
f92363d1 4505
0f624c39
SR		 4506 memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t));
4507 mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
4508 mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS;
4509 mpi_request.SlotStatus = 0;
4510 mpi_request.Slot = cpu_to_le16(sas_device->slot);
4511 mpi_request.DevHandle = 0;
4512 mpi_request.EnclosureHandle = cpu_to_le16(sas_device->enclosure_handle);
4513 mpi_request.Flags = MPI2_SEP_REQ_FLAGS_ENCLOSURE_SLOT_ADDRESS;
4514 if ((mpt3sas_base_scsi_enclosure_processor(ioc, &mpi_reply,
4515 &mpi_request)) != 0) {
4516 printk(MPT3SAS_FMT "failure at %s:%d/%s()!\n", ioc->name,
4517 __FILE__, __LINE__, __func__);
4518 return;
4519 }
4520
4521 if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) {
4522 dewtprintk(ioc, printk(MPT3SAS_FMT
4523 "enclosure_processor: ioc_status (0x%04x), loginfo(0x%08x)\n",
4524 ioc->name, le16_to_cpu(mpi_reply.IOCStatus),
4525 le32_to_cpu(mpi_reply.IOCLogInfo)));
4526 return;
4527 }
4528}
d1cb5e49 4529
f92363d1 4530/**
0f624c39 4531 * _scsih_send_event_to_turn_on_pfa_led - fire delayed event
f92363d1
SR		 4532 * @ioc: per adapter object
4533 * @handle: device handle
4534 * Context: interrupt.
4535 *
4536 * Return nothing.
4537 */
4538static void
0f624c39 4539_scsih_send_event_to_turn_on_pfa_led(struct MPT3SAS_ADAPTER *ioc, u16 handle)
f92363d1
SR		 4540{
4541 struct fw_event_work *fw_event;
4542
146b16c8 4543 fw_event = alloc_fw_event_work(0);
f92363d1
SR		 4544 if (!fw_event)
4545 return;
0f624c39 4546 fw_event->event = MPT3SAS_TURN_ON_PFA_LED;
f92363d1
SR		 4547 fw_event->device_handle = handle;
4548 fw_event->ioc = ioc;
4549 _scsih_fw_event_add(ioc, fw_event);
146b16c8 4550 fw_event_work_put(fw_event);
f92363d1
SR		 4551}
4552
4553/**
4554 * _scsih_smart_predicted_fault - process smart errors
4555 * @ioc: per adapter object
4556 * @handle: device handle
4557 * Context: interrupt.
4558 *
4559 * Return nothing.
4560 */
4561static void
4562_scsih_smart_predicted_fault(struct MPT3SAS_ADAPTER *ioc, u16 handle)
4563{
4564 struct scsi_target *starget;
4565 struct MPT3SAS_TARGET *sas_target_priv_data;
4566 Mpi2EventNotificationReply_t *event_reply;
4567 Mpi2EventDataSasDeviceStatusChange_t *event_data;
4568 struct _sas_device *sas_device;
4569 ssize_t sz;
4570 unsigned long flags;
4571
4572 /* only handle non-raid devices */
4573 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49
SR		 4574 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
4575 if (!sas_device)
4576 goto out_unlock;
4577
f92363d1
SR		 4578 starget = sas_device->starget;
4579 sas_target_priv_data = starget->hostdata;
4580
4581 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) ||
d1cb5e49
SR		 4582 ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)))
4583 goto out_unlock;
4584
e6d45e3e
SR		 4585 if (sas_device->enclosure_handle != 0)
4586 starget_printk(KERN_INFO, starget, "predicted fault, "
4587 "enclosure logical id(0x%016llx), slot(%d)\n",
4588 (unsigned long long)sas_device->enclosure_logical_id,
4589 sas_device->slot);
4590 if (sas_device->connector_name[0] != '\0')
4591 starget_printk(KERN_WARNING, starget, "predicted fault, "
4592 "enclosure level(0x%04x), connector name( %s)\n",
4593 sas_device->enclosure_level,
4594 sas_device->connector_name);
f92363d1
SR		 4595 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4596
4597 if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM)
0f624c39 4598 _scsih_send_event_to_turn_on_pfa_led(ioc, handle);
f92363d1
SR		 4599
4600 /* insert into event log */
4601 sz = offsetof(Mpi2EventNotificationReply_t, EventData) +
4602 sizeof(Mpi2EventDataSasDeviceStatusChange_t);
4603 event_reply = kzalloc(sz, GFP_KERNEL);
4604 if (!event_reply) {
4605 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4606 ioc->name, __FILE__, __LINE__, __func__);
d1cb5e49 4607 goto out;
f92363d1
SR		 4608 }
4609
4610 event_reply->Function = MPI2_FUNCTION_EVENT_NOTIFICATION;
4611 event_reply->Event =
4612 cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE);
4613 event_reply->MsgLength = sz/4;
4614 event_reply->EventDataLength =
4615 cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t)/4);
4616 event_data = (Mpi2EventDataSasDeviceStatusChange_t *)
4617 event_reply->EventData;
4618 event_data->ReasonCode = MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA;
4619 event_data->ASC = 0x5D;
4620 event_data->DevHandle = cpu_to_le16(handle);
4621 event_data->SASAddress = cpu_to_le64(sas_target_priv_data->sas_address);
4622 mpt3sas_ctl_add_to_event_log(ioc, event_reply);
4623 kfree(event_reply);
d1cb5e49
SR		 4624out:
4625 if (sas_device)
4626 sas_device_put(sas_device);
4627 return;
4628
4629out_unlock:
4630 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4631 goto out;
f92363d1
SR		 4632}
4633
4634/**
4635 * _scsih_io_done - scsi request callback
4636 * @ioc: per adapter object
4637 * @smid: system request message index
4638 * @msix_index: MSIX table index supplied by the OS
4639 * @reply: reply message frame(lower 32bit addr)
4640 *
4641 * Callback handler when using _scsih_qcmd.
4642 *
4643 * Return 1 meaning mf should be freed from _base_interrupt
4644 * 0 means the mf is freed from this function.
4645 */
4646static u8
4647_scsih_io_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
4648{
4649 Mpi2SCSIIORequest_t *mpi_request;
4650 Mpi2SCSIIOReply_t *mpi_reply;
4651 struct scsi_cmnd *scmd;
4652 u16 ioc_status;
4653 u32 xfer_cnt;
4654 u8 scsi_state;
4655 u8 scsi_status;
4656 u32 log_info;
4657 struct MPT3SAS_DEVICE *sas_device_priv_data;
4658 u32 response_code = 0;
7786ab6a 4659 unsigned long flags;
f2e767bb 4660 unsigned int sector_sz;
f92363d1
SR		 4661
4662 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
4663 scmd = _scsih_scsi_lookup_get_clear(ioc, smid);
4664 if (scmd == NULL)
4665 return 1;
4666
ffb58456 4667 _scsih_set_satl_pending(scmd, false);
18f6084a 4668
f92363d1
SR		 4669 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
4670
4671 if (mpi_reply == NULL) {
4672 scmd->result = DID_OK << 16;
4673 goto out;
4674 }
4675
4676 sas_device_priv_data = scmd->device->hostdata;
4677 if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
4678 sas_device_priv_data->sas_target->deleted) {
4679 scmd->result = DID_NO_CONNECT << 16;
4680 goto out;
4681 }
4682 ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
4683
7786ab6a
SR		 4684 /*
4685 * WARPDRIVE: If direct_io is set then it is directIO,
4686 * the failed direct I/O should be redirected to volume
4687 */
c84b06a4 4688 if (mpt3sas_scsi_direct_io_get(ioc, smid) &&
7786ab6a
SR		 4689 ((ioc_status & MPI2_IOCSTATUS_MASK)
4690 != MPI2_IOCSTATUS_SCSI_TASK_TERMINATED)) {
4691 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
4692 ioc->scsi_lookup[smid - 1].scmd = scmd;
4693 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
c84b06a4 4694 mpt3sas_scsi_direct_io_set(ioc, smid, 0);
7786ab6a
SR		 4695 memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len);
4696 mpi_request->DevHandle =
4697 cpu_to_le16(sas_device_priv_data->sas_target->handle);
81c16f83 4698 ioc->put_smid_scsi_io(ioc, smid,
7786ab6a
SR		 4699 sas_device_priv_data->sas_target->handle);
4700 return 0;
4701 }
f92363d1
SR		 4702 /* turning off TLR */
4703 scsi_state = mpi_reply->SCSIState;
4704 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
4705 response_code =
4706 le32_to_cpu(mpi_reply->ResponseInfo) & 0xFF;
4707 if (!sas_device_priv_data->tlr_snoop_check) {
4708 sas_device_priv_data->tlr_snoop_check++;
7786ab6a
SR		 4709 if (!ioc->is_warpdrive &&
4710 !scsih_is_raid(&scmd->device->sdev_gendev) &&
c84b06a4
SR		 4711 sas_is_tlr_enabled(scmd->device) &&
4712 response_code == MPI2_SCSITASKMGMT_RSP_INVALID_FRAME) {
4713 sas_disable_tlr(scmd->device);
4714 sdev_printk(KERN_INFO, scmd->device, "TLR disabled\n");
4715 }
f92363d1
SR		 4716 }
4717
4718 xfer_cnt = le32_to_cpu(mpi_reply->TransferCount);
f2e767bb
RP		 4719
4720 /* In case of bogus fw or device, we could end up having
4721 * unaligned partial completion. We can force alignment here,
4722 * then scsi-ml does not need to handle this misbehavior.
4723 */
4724 sector_sz = scmd->device->sector_size;
4725 if (unlikely(scmd->request->cmd_type == REQ_TYPE_FS && sector_sz &&
4726 xfer_cnt % sector_sz)) {
4727 sdev_printk(KERN_INFO, scmd->device,
4728 "unaligned partial completion avoided (xfer_cnt=%u, sector_sz=%u)\n",
4729 xfer_cnt, sector_sz);
4730 xfer_cnt = round_down(xfer_cnt, sector_sz);
4731 }
4732
f92363d1
SR		 4733 scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt);
4734 if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
4735 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
4736 else
4737 log_info = 0;
4738 ioc_status &= MPI2_IOCSTATUS_MASK;
4739 scsi_status = mpi_reply->SCSIStatus;
4740
4741 if (ioc_status == MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
4742 (scsi_status == MPI2_SCSI_STATUS_BUSY ||
4743 scsi_status == MPI2_SCSI_STATUS_RESERVATION_CONFLICT ||
4744 scsi_status == MPI2_SCSI_STATUS_TASK_SET_FULL)) {
4745 ioc_status = MPI2_IOCSTATUS_SUCCESS;
4746 }
4747
4748 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
4749 struct sense_info data;
4750 const void *sense_data = mpt3sas_base_get_sense_buffer(ioc,
4751 smid);
4752 u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE,
4753 le32_to_cpu(mpi_reply->SenseCount));
4754 memcpy(scmd->sense_buffer, sense_data, sz);
4755 _scsih_normalize_sense(scmd->sense_buffer, &data);
4756 /* failure prediction threshold exceeded */
4757 if (data.asc == 0x5D)
4758 _scsih_smart_predicted_fault(ioc,
4759 le16_to_cpu(mpi_reply->DevHandle));
4760 mpt3sas_trigger_scsi(ioc, data.skey, data.asc, data.ascq);
f92363d1 4761
0d667f72 4762 if ((ioc->logging_level & MPT_DEBUG_REPLY) &&
e6d45e3e
SR		 4763 ((scmd->sense_buffer[2] == UNIT_ATTENTION) ||
4764 (scmd->sense_buffer[2] == MEDIUM_ERROR) ||
4765 (scmd->sense_buffer[2] == HARDWARE_ERROR)))
4766 _scsih_scsi_ioc_info(ioc, scmd, mpi_reply, smid);
e6d45e3e 4767 }
f92363d1
SR		 4768 switch (ioc_status) {
4769 case MPI2_IOCSTATUS_BUSY:
4770 case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES:
4771 scmd->result = SAM_STAT_BUSY;
4772 break;
4773
4774 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
4775 scmd->result = DID_NO_CONNECT << 16;
4776 break;
4777
4778 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
4779 if (sas_device_priv_data->block) {
4780 scmd->result = DID_TRANSPORT_DISRUPTED << 16;
4781 goto out;
4782 }
4783 if (log_info == 0x31110630) {
4784 if (scmd->retries > 2) {
4785 scmd->result = DID_NO_CONNECT << 16;
4786 scsi_device_set_state(scmd->device,
4787 SDEV_OFFLINE);
4788 } else {
4789 scmd->result = DID_SOFT_ERROR << 16;
4790 scmd->device->expecting_cc_ua = 1;
4791 }
4792 break;
3898f08e
SR		 4793 } else if (log_info == VIRTUAL_IO_FAILED_RETRY) {
4794 scmd->result = DID_RESET << 16;
4795 break;
f92363d1
SR		 4796 }
4797 scmd->result = DID_SOFT_ERROR << 16;
4798 break;
4799 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
4800 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
4801 scmd->result = DID_RESET << 16;
4802 break;
4803
4804 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
4805 if ((xfer_cnt == 0) || (scmd->underflow > xfer_cnt))
4806 scmd->result = DID_SOFT_ERROR << 16;
4807 else
4808 scmd->result = (DID_OK << 16) | scsi_status;
4809 break;
4810
4811 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
4812 scmd->result = (DID_OK << 16) | scsi_status;
4813
4814 if ((scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID))
4815 break;
4816
4817 if (xfer_cnt < scmd->underflow) {
4818 if (scsi_status == SAM_STAT_BUSY)
4819 scmd->result = SAM_STAT_BUSY;
4820 else
4821 scmd->result = DID_SOFT_ERROR << 16;
4822 } else if (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
4823 MPI2_SCSI_STATE_NO_SCSI_STATUS))
4824 scmd->result = DID_SOFT_ERROR << 16;
4825 else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
4826 scmd->result = DID_RESET << 16;
4827 else if (!xfer_cnt && scmd->cmnd[0] == REPORT_LUNS) {
4828 mpi_reply->SCSIState = MPI2_SCSI_STATE_AUTOSENSE_VALID;
4829 mpi_reply->SCSIStatus = SAM_STAT_CHECK_CONDITION;
4830 scmd->result = (DRIVER_SENSE << 24) |
4831 SAM_STAT_CHECK_CONDITION;
4832 scmd->sense_buffer[0] = 0x70;
4833 scmd->sense_buffer[2] = ILLEGAL_REQUEST;
4834 scmd->sense_buffer[12] = 0x20;
4835 scmd->sense_buffer[13] = 0;
4836 }
4837 break;
4838
4839 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
4840 scsi_set_resid(scmd, 0);
4841 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
4842 case MPI2_IOCSTATUS_SUCCESS:
4843 scmd->result = (DID_OK << 16) | scsi_status;
4844 if (response_code ==
4845 MPI2_SCSITASKMGMT_RSP_INVALID_FRAME ||
4846 (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
4847 MPI2_SCSI_STATE_NO_SCSI_STATUS)))
4848 scmd->result = DID_SOFT_ERROR << 16;
4849 else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
4850 scmd->result = DID_RESET << 16;
4851 break;
4852
4853 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
4854 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
4855 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
4856 _scsih_eedp_error_handling(scmd, ioc_status);
4857 break;
4858
4859 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
4860 case MPI2_IOCSTATUS_INVALID_FUNCTION:
4861 case MPI2_IOCSTATUS_INVALID_SGL:
4862 case MPI2_IOCSTATUS_INTERNAL_ERROR:
4863 case MPI2_IOCSTATUS_INVALID_FIELD:
4864 case MPI2_IOCSTATUS_INVALID_STATE:
4865 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
4866 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
b130b0d5 4867 case MPI2_IOCSTATUS_INSUFFICIENT_POWER:
f92363d1
SR		 4868 default:
4869 scmd->result = DID_SOFT_ERROR << 16;
4870 break;
4871
4872 }
4873
f92363d1
SR		 4874 if (scmd->result && (ioc->logging_level & MPT_DEBUG_REPLY))
4875 _scsih_scsi_ioc_info(ioc , scmd, mpi_reply, smid);
f92363d1
SR		 4876
4877 out:
4878
4879 scsi_dma_unmap(scmd);
4880
4881 scmd->scsi_done(scmd);
4882 return 1;
4883}
4884
4885/**
4886 * _scsih_sas_host_refresh - refreshing sas host object contents
4887 * @ioc: per adapter object
4888 * Context: user
4889 *
4890 * During port enable, fw will send topology events for every device. Its
4891 * possible that the handles may change from the previous setting, so this
4892 * code keeping handles updating if changed.
4893 *
4894 * Return nothing.
4895 */
4896static void
4897_scsih_sas_host_refresh(struct MPT3SAS_ADAPTER *ioc)
4898{
4899 u16 sz;
4900 u16 ioc_status;
4901 int i;
4902 Mpi2ConfigReply_t mpi_reply;
4903 Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
4904 u16 attached_handle;
4905 u8 link_rate;
4906
4907 dtmprintk(ioc, pr_info(MPT3SAS_FMT
4908 "updating handles for sas_host(0x%016llx)\n",
4909 ioc->name, (unsigned long long)ioc->sas_hba.sas_address));
4910
4911 sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys
4912 * sizeof(Mpi2SasIOUnit0PhyData_t));
4913 sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
4914 if (!sas_iounit_pg0) {
4915 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4916 ioc->name, __FILE__, __LINE__, __func__);
4917 return;
4918 }
4919
4920 if ((mpt3sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
4921 sas_iounit_pg0, sz)) != 0)
4922 goto out;
4923 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
4924 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
4925 goto out;
4926 for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
4927 link_rate = sas_iounit_pg0->PhyData[i].NegotiatedLinkRate >> 4;
4928 if (i == 0)
4929 ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0->
4930 PhyData[0].ControllerDevHandle);
4931 ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
4932 attached_handle = le16_to_cpu(sas_iounit_pg0->PhyData[i].
4933 AttachedDevHandle);
4934 if (attached_handle && link_rate < MPI2_SAS_NEG_LINK_RATE_1_5)
4935 link_rate = MPI2_SAS_NEG_LINK_RATE_1_5;
4936 mpt3sas_transport_update_links(ioc, ioc->sas_hba.sas_address,
4937 attached_handle, i, link_rate);
4938 }
4939 out:
4940 kfree(sas_iounit_pg0);
4941}
4942
4943/**
4944 * _scsih_sas_host_add - create sas host object
4945 * @ioc: per adapter object
4946 *
4947 * Creating host side data object, stored in ioc->sas_hba
4948 *
4949 * Return nothing.
4950 */
4951static void
4952_scsih_sas_host_add(struct MPT3SAS_ADAPTER *ioc)
4953{
4954 int i;
4955 Mpi2ConfigReply_t mpi_reply;
4956 Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
4957 Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
4958 Mpi2SasPhyPage0_t phy_pg0;
4959 Mpi2SasDevicePage0_t sas_device_pg0;
4960 Mpi2SasEnclosurePage0_t enclosure_pg0;
4961 u16 ioc_status;
4962 u16 sz;
4963 u8 device_missing_delay;
87aa95d4 4964 u8 num_phys;
f92363d1 4965
87aa95d4
JL		 4966 mpt3sas_config_get_number_hba_phys(ioc, &num_phys);
4967 if (!num_phys) {
f92363d1
SR		 4968 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4969 ioc->name, __FILE__, __LINE__, __func__);
4970 return;
4971 }
87aa95d4
JL		 4972 ioc->sas_hba.phy = kcalloc(num_phys,
4973 sizeof(struct _sas_phy), GFP_KERNEL);
4974 if (!ioc->sas_hba.phy) {
4975 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4976 ioc->name, __FILE__, __LINE__, __func__);
4977 goto out;
4978 }
4979 ioc->sas_hba.num_phys = num_phys;
f92363d1
SR		 4980
4981 /* sas_iounit page 0 */
4982 sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys *
4983 sizeof(Mpi2SasIOUnit0PhyData_t));
4984 sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
4985 if (!sas_iounit_pg0) {
4986 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4987 ioc->name, __FILE__, __LINE__, __func__);
4988 return;
4989 }
4990 if ((mpt3sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
4991 sas_iounit_pg0, sz))) {
4992 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4993 ioc->name, __FILE__, __LINE__, __func__);
4994 goto out;
4995 }
4996 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
4997 MPI2_IOCSTATUS_MASK;
4998 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
4999 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5000 ioc->name, __FILE__, __LINE__, __func__);
5001 goto out;
5002 }
5003
5004 /* sas_iounit page 1 */
5005 sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys *
5006 sizeof(Mpi2SasIOUnit1PhyData_t));
5007 sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
5008 if (!sas_iounit_pg1) {
5009 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5010 ioc->name, __FILE__, __LINE__, __func__);
5011 goto out;
5012 }
5013 if ((mpt3sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
5014 sas_iounit_pg1, sz))) {
5015 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5016 ioc->name, __FILE__, __LINE__, __func__);
5017 goto out;
5018 }
5019 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
5020 MPI2_IOCSTATUS_MASK;
5021 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
5022 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5023 ioc->name, __FILE__, __LINE__, __func__);
5024 goto out;
5025 }
5026
5027 ioc->io_missing_delay =
5028 sas_iounit_pg1->IODeviceMissingDelay;
5029 device_missing_delay =
5030 sas_iounit_pg1->ReportDeviceMissingDelay;
5031 if (device_missing_delay & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
5032 ioc->device_missing_delay = (device_missing_delay &
5033 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
5034 else
5035 ioc->device_missing_delay = device_missing_delay &
5036 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
5037
5038 ioc->sas_hba.parent_dev = &ioc->shost->shost_gendev;
f92363d1
SR		 5039 for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
5040 if ((mpt3sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0,
5041 i))) {
5042 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5043 ioc->name, __FILE__, __LINE__, __func__);
5044 goto out;
5045 }
5046 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
5047 MPI2_IOCSTATUS_MASK;
5048 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
5049 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5050 ioc->name, __FILE__, __LINE__, __func__);
5051 goto out;
5052 }
5053
5054 if (i == 0)
5055 ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0->
5056 PhyData[0].ControllerDevHandle);
5057 ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
5058 ioc->sas_hba.phy[i].phy_id = i;
5059 mpt3sas_transport_add_host_phy(ioc, &ioc->sas_hba.phy[i],
5060 phy_pg0, ioc->sas_hba.parent_dev);
5061 }
5062 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
5063 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, ioc->sas_hba.handle))) {
5064 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5065 ioc->name, __FILE__, __LINE__, __func__);
5066 goto out;
5067 }
5068 ioc->sas_hba.enclosure_handle =
5069 le16_to_cpu(sas_device_pg0.EnclosureHandle);
5070 ioc->sas_hba.sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
5071 pr_info(MPT3SAS_FMT
5072 "host_add: handle(0x%04x), sas_addr(0x%016llx), phys(%d)\n",
5073 ioc->name, ioc->sas_hba.handle,
5074 (unsigned long long) ioc->sas_hba.sas_address,
5075 ioc->sas_hba.num_phys) ;
5076
5077 if (ioc->sas_hba.enclosure_handle) {
5078 if (!(mpt3sas_config_get_enclosure_pg0(ioc, &mpi_reply,
5079 &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
5080 ioc->sas_hba.enclosure_handle)))
5081 ioc->sas_hba.enclosure_logical_id =
5082 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
5083 }
5084
5085 out:
5086 kfree(sas_iounit_pg1);
5087 kfree(sas_iounit_pg0);
5088}
5089
5090/**
5091 * _scsih_expander_add - creating expander object
5092 * @ioc: per adapter object
5093 * @handle: expander handle
5094 *
5095 * Creating expander object, stored in ioc->sas_expander_list.
5096 *
5097 * Return 0 for success, else error.
5098 */
5099static int
5100_scsih_expander_add(struct MPT3SAS_ADAPTER *ioc, u16 handle)
5101{
5102 struct _sas_node *sas_expander;
5103 Mpi2ConfigReply_t mpi_reply;
5104 Mpi2ExpanderPage0_t expander_pg0;
5105 Mpi2ExpanderPage1_t expander_pg1;
5106 Mpi2SasEnclosurePage0_t enclosure_pg0;
5107 u32 ioc_status;
5108 u16 parent_handle;
5109 u64 sas_address, sas_address_parent = 0;
5110 int i;
5111 unsigned long flags;
5112 struct _sas_port *mpt3sas_port = NULL;
5113
5114 int rc = 0;
5115
5116 if (!handle)
5117 return -1;
5118
5119 if (ioc->shost_recovery || ioc->pci_error_recovery)
5120 return -1;
5121
5122 if ((mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
5123 MPI2_SAS_EXPAND_PGAD_FORM_HNDL, handle))) {
5124 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5125 ioc->name, __FILE__, __LINE__, __func__);
5126 return -1;
5127 }
5128
5129 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
5130 MPI2_IOCSTATUS_MASK;
5131 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
5132 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5133 ioc->name, __FILE__, __LINE__, __func__);
5134 return -1;
5135 }
5136
5137 /* handle out of order topology events */
5138 parent_handle = le16_to_cpu(expander_pg0.ParentDevHandle);
5139 if (_scsih_get_sas_address(ioc, parent_handle, &sas_address_parent)
5140 != 0) {
5141 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5142 ioc->name, __FILE__, __LINE__, __func__);
5143 return -1;
5144 }
5145 if (sas_address_parent != ioc->sas_hba.sas_address) {
5146 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5147 sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc,
5148 sas_address_parent);
5149 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5150 if (!sas_expander) {
5151 rc = _scsih_expander_add(ioc, parent_handle);
5152 if (rc != 0)
5153 return rc;
5154 }
5155 }
5156
5157 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5158 sas_address = le64_to_cpu(expander_pg0.SASAddress);
5159 sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc,
5160 sas_address);
5161 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5162
5163 if (sas_expander)
5164 return 0;
5165
5166 sas_expander = kzalloc(sizeof(struct _sas_node),
5167 GFP_KERNEL);
5168 if (!sas_expander) {
5169 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5170 ioc->name, __FILE__, __LINE__, __func__);
5171 return -1;
5172 }
5173
5174 sas_expander->handle = handle;
5175 sas_expander->num_phys = expander_pg0.NumPhys;
5176 sas_expander->sas_address_parent = sas_address_parent;
5177 sas_expander->sas_address = sas_address;
5178
5179 pr_info(MPT3SAS_FMT "expander_add: handle(0x%04x)," \
5180 " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc->name,
5181 handle, parent_handle, (unsigned long long)
5182 sas_expander->sas_address, sas_expander->num_phys);
5183
5184 if (!sas_expander->num_phys)
5185 goto out_fail;
5186 sas_expander->phy = kcalloc(sas_expander->num_phys,
5187 sizeof(struct _sas_phy), GFP_KERNEL);
5188 if (!sas_expander->phy) {
5189 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5190 ioc->name, __FILE__, __LINE__, __func__);
5191 rc = -1;
5192 goto out_fail;
5193 }
5194
5195 INIT_LIST_HEAD(&sas_expander->sas_port_list);
5196 mpt3sas_port = mpt3sas_transport_port_add(ioc, handle,
5197 sas_address_parent);
5198 if (!mpt3sas_port) {
5199 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5200 ioc->name, __FILE__, __LINE__, __func__);
5201 rc = -1;
5202 goto out_fail;
5203 }
5204 sas_expander->parent_dev = &mpt3sas_port->rphy->dev;
5205
5206 for (i = 0 ; i < sas_expander->num_phys ; i++) {
5207 if ((mpt3sas_config_get_expander_pg1(ioc, &mpi_reply,
5208 &expander_pg1, i, handle))) {
5209 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5210 ioc->name, __FILE__, __LINE__, __func__);
5211 rc = -1;
5212 goto out_fail;
5213 }
5214 sas_expander->phy[i].handle = handle;
5215 sas_expander->phy[i].phy_id = i;
5216
5217 if ((mpt3sas_transport_add_expander_phy(ioc,
5218 &sas_expander->phy[i], expander_pg1,
5219 sas_expander->parent_dev))) {
5220 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5221 ioc->name, __FILE__, __LINE__, __func__);
5222 rc = -1;
5223 goto out_fail;
5224 }
5225 }
5226
5227 if (sas_expander->enclosure_handle) {
5228 if (!(mpt3sas_config_get_enclosure_pg0(ioc, &mpi_reply,
5229 &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
5230 sas_expander->enclosure_handle)))
5231 sas_expander->enclosure_logical_id =
5232 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
5233 }
5234
5235 _scsih_expander_node_add(ioc, sas_expander);
5236 return 0;
5237
5238 out_fail:
5239
5240 if (mpt3sas_port)
5241 mpt3sas_transport_port_remove(ioc, sas_expander->sas_address,
5242 sas_address_parent);
5243 kfree(sas_expander);
5244 return rc;
5245}
5246
5247/**
5248 * mpt3sas_expander_remove - removing expander object
5249 * @ioc: per adapter object
5250 * @sas_address: expander sas_address
5251 *
5252 * Return nothing.
5253 */
5254void
5255mpt3sas_expander_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address)
5256{
5257 struct _sas_node *sas_expander;
5258 unsigned long flags;
5259
5260 if (ioc->shost_recovery)
5261 return;
5262
5263 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5264 sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc,
5265 sas_address);
5266 if (sas_expander)
5267 list_del(&sas_expander->list);
5268 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5269 if (sas_expander)
5270 _scsih_expander_node_remove(ioc, sas_expander);
5271}
5272
5273/**
5274 * _scsih_done - internal SCSI_IO callback handler.
5275 * @ioc: per adapter object
5276 * @smid: system request message index
5277 * @msix_index: MSIX table index supplied by the OS
5278 * @reply: reply message frame(lower 32bit addr)
5279 *
5280 * Callback handler when sending internal generated SCSI_IO.
5281 * The callback index passed is `ioc->scsih_cb_idx`
5282 *
5283 * Return 1 meaning mf should be freed from _base_interrupt
5284 * 0 means the mf is freed from this function.
5285 */
5286static u8
5287_scsih_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
5288{
5289 MPI2DefaultReply_t *mpi_reply;
5290
5291 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
5292 if (ioc->scsih_cmds.status == MPT3_CMD_NOT_USED)
5293 return 1;
5294 if (ioc->scsih_cmds.smid != smid)
5295 return 1;
5296 ioc->scsih_cmds.status |= MPT3_CMD_COMPLETE;
5297 if (mpi_reply) {
5298 memcpy(ioc->scsih_cmds.reply, mpi_reply,
5299 mpi_reply->MsgLength*4);
5300 ioc->scsih_cmds.status |= MPT3_CMD_REPLY_VALID;
5301 }
5302 ioc->scsih_cmds.status &= ~MPT3_CMD_PENDING;
5303 complete(&ioc->scsih_cmds.done);
5304 return 1;
5305}
5306
5307
5308
5309
5310#define MPT3_MAX_LUNS (255)
5311
5312
5313/**
5314 * _scsih_check_access_status - check access flags
5315 * @ioc: per adapter object
5316 * @sas_address: sas address
5317 * @handle: sas device handle
5318 * @access_flags: errors returned during discovery of the device
5319 *
5320 * Return 0 for success, else failure
5321 */
5322static u8
5323_scsih_check_access_status(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
5324 u16 handle, u8 access_status)
5325{
5326 u8 rc = 1;
5327 char *desc = NULL;
5328
5329 switch (access_status) {
5330 case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS:
5331 case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION:
5332 rc = 0;
5333 break;
5334 case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED:
5335 desc = "sata capability failed";
5336 break;
5337 case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT:
5338 desc = "sata affiliation conflict";
5339 break;
5340 case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE:
5341 desc = "route not addressable";
5342 break;
5343 case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE:
5344 desc = "smp error not addressable";
5345 break;
5346 case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED:
5347 desc = "device blocked";
5348 break;
5349 case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED:
5350 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN:
5351 case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT:
5352 case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG:
5353 case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION:
5354 case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER:
5355 case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN:
5356 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN:
5357 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN:
5358 case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION:
5359 case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE:
5360 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX:
5361 desc = "sata initialization failed";
5362 break;
5363 default:
5364 desc = "unknown";
5365 break;
5366 }
5367
5368 if (!rc)
5369 return 0;
5370
5371 pr_err(MPT3SAS_FMT
5372 "discovery errors(%s): sas_address(0x%016llx), handle(0x%04x)\n",
5373 ioc->name, desc, (unsigned long long)sas_address, handle);
5374 return rc;
5375}
5376
5377/**
5378 * _scsih_check_device - checking device responsiveness
5379 * @ioc: per adapter object
5380 * @parent_sas_address: sas address of parent expander or sas host
5381 * @handle: attached device handle
5382 * @phy_numberv: phy number
5383 * @link_rate: new link rate
5384 *
5385 * Returns nothing.
5386 */
5387static void
5388_scsih_check_device(struct MPT3SAS_ADAPTER *ioc,
5389 u64 parent_sas_address, u16 handle, u8 phy_number, u8 link_rate)
5390{
5391 Mpi2ConfigReply_t mpi_reply;
5392 Mpi2SasDevicePage0_t sas_device_pg0;
5393 struct _sas_device *sas_device;
5394 u32 ioc_status;
5395 unsigned long flags;
5396 u64 sas_address;
5397 struct scsi_target *starget;
5398 struct MPT3SAS_TARGET *sas_target_priv_data;
5399 u32 device_info;
5400
5401
5402 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
5403 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle)))
5404 return;
5405
5406 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
5407 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
5408 return;
5409
5410 /* wide port handling ~ we need only handle device once for the phy that
5411 * is matched in sas device page zero
5412 */
5413 if (phy_number != sas_device_pg0.PhyNum)
5414 return;
5415
5416 /* check if this is end device */
5417 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
5418 if (!(_scsih_is_end_device(device_info)))
5419 return;
5420
5421 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5422 sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
d1cb5e49 5423 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
f92363d1
SR		 5424 sas_address);
5425
d1cb5e49
SR		 5426 if (!sas_device)
5427 goto out_unlock;
f92363d1
SR		 5428
5429 if (unlikely(sas_device->handle != handle)) {
5430 starget = sas_device->starget;
5431 sas_target_priv_data = starget->hostdata;
5432 starget_printk(KERN_INFO, starget,
5433 "handle changed from(0x%04x) to (0x%04x)!!!\n",
5434 sas_device->handle, handle);
5435 sas_target_priv_data->handle = handle;
5436 sas_device->handle = handle;
aa53bb89 5437 if (le16_to_cpu(sas_device_pg0.Flags) &
e6d45e3e
SR		 5438 MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
5439 sas_device->enclosure_level =
aa53bb89 5440 sas_device_pg0.EnclosureLevel;
310c8e40
CO		 5441 memcpy(sas_device->connector_name,
5442 sas_device_pg0.ConnectorName, 4);
5443 sas_device->connector_name[4] = '\0';
e6d45e3e
SR		 5444 } else {
5445 sas_device->enclosure_level = 0;
5446 sas_device->connector_name[0] = '\0';
5447 }
f92363d1
SR		 5448 }
5449
5450 /* check if device is present */
5451 if (!(le16_to_cpu(sas_device_pg0.Flags) &
5452 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
5453 pr_err(MPT3SAS_FMT
5454 "device is not present handle(0x%04x), flags!!!\n",
5455 ioc->name, handle);
d1cb5e49 5456 goto out_unlock;
f92363d1
SR		 5457 }
5458
5459 /* check if there were any issues with discovery */
5460 if (_scsih_check_access_status(ioc, sas_address, handle,
d1cb5e49
SR		 5461 sas_device_pg0.AccessStatus))
5462 goto out_unlock;
f92363d1
SR		 5463
5464 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5465 _scsih_ublock_io_device(ioc, sas_address);
5466
d1cb5e49
SR		 5467 if (sas_device)
5468 sas_device_put(sas_device);
5469 return;
5470
5471out_unlock:
5472 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5473 if (sas_device)
5474 sas_device_put(sas_device);
f92363d1
SR		 5475}
5476
5477/**
5478 * _scsih_add_device - creating sas device object
5479 * @ioc: per adapter object
5480 * @handle: sas device handle
5481 * @phy_num: phy number end device attached to
5482 * @is_pd: is this hidden raid component
5483 *
5484 * Creating end device object, stored in ioc->sas_device_list.
5485 *
5486 * Returns 0 for success, non-zero for failure.
5487 */
5488static int
5489_scsih_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phy_num,
5490 u8 is_pd)
5491{
5492 Mpi2ConfigReply_t mpi_reply;
5493 Mpi2SasDevicePage0_t sas_device_pg0;
5494 Mpi2SasEnclosurePage0_t enclosure_pg0;
5495 struct _sas_device *sas_device;
5496 u32 ioc_status;
5497 u64 sas_address;
5498 u32 device_info;
f92363d1
SR		 5499
5500 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
5501 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
5502 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5503 ioc->name, __FILE__, __LINE__, __func__);
5504 return -1;
5505 }
5506
5507 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
5508 MPI2_IOCSTATUS_MASK;
5509 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
5510 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5511 ioc->name, __FILE__, __LINE__, __func__);
5512 return -1;
5513 }
5514
5515 /* check if this is end device */
5516 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
5517 if (!(_scsih_is_end_device(device_info)))
5518 return -1;
c696f7b8 5519 set_bit(handle, ioc->pend_os_device_add);
f92363d1
SR		 5520 sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
5521
5522 /* check if device is present */
5523 if (!(le16_to_cpu(sas_device_pg0.Flags) &
5524 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
5525 pr_err(MPT3SAS_FMT "device is not present handle(0x04%x)!!!\n",
5526 ioc->name, handle);
5527 return -1;
5528 }
5529
5530 /* check if there were any issues with discovery */
5531 if (_scsih_check_access_status(ioc, sas_address, handle,
5532 sas_device_pg0.AccessStatus))
5533 return -1;
5534
d1cb5e49
SR		 5535 sas_device = mpt3sas_get_sdev_by_addr(ioc,
5536 sas_address);
5537 if (sas_device) {
c696f7b8 5538 clear_bit(handle, ioc->pend_os_device_add);
d1cb5e49 5539 sas_device_put(sas_device);
f92363d1 5540 return -1;
d1cb5e49 5541 }
f92363d1
SR		 5542
5543 sas_device = kzalloc(sizeof(struct _sas_device),
5544 GFP_KERNEL);
5545 if (!sas_device) {
5546 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5547 ioc->name, __FILE__, __LINE__, __func__);
5548 return 0;
5549 }
5550
d1cb5e49 5551 kref_init(&sas_device->refcount);
f92363d1
SR		 5552 sas_device->handle = handle;
5553 if (_scsih_get_sas_address(ioc,
5554 le16_to_cpu(sas_device_pg0.ParentDevHandle),
5555 &sas_device->sas_address_parent) != 0)
5556 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5557 ioc->name, __FILE__, __LINE__, __func__);
5558 sas_device->enclosure_handle =
5559 le16_to_cpu(sas_device_pg0.EnclosureHandle);
e6d45e3e
SR		 5560 if (sas_device->enclosure_handle != 0)
5561 sas_device->slot =
5562 le16_to_cpu(sas_device_pg0.Slot);
f92363d1
SR		 5563 sas_device->device_info = device_info;
5564 sas_device->sas_address = sas_address;
5565 sas_device->phy = sas_device_pg0.PhyNum;
5566 sas_device->fast_path = (le16_to_cpu(sas_device_pg0.Flags) &
5567 MPI25_SAS_DEVICE0_FLAGS_FAST_PATH_CAPABLE) ? 1 : 0;
5568
aa53bb89
SPS		 5569 if (le16_to_cpu(sas_device_pg0.Flags)
5570 & MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
e6d45e3e 5571 sas_device->enclosure_level =
aa53bb89 5572 sas_device_pg0.EnclosureLevel;
310c8e40
CO		 5573 memcpy(sas_device->connector_name,
5574 sas_device_pg0.ConnectorName, 4);
5575 sas_device->connector_name[4] = '\0';
e6d45e3e
SR		 5576 } else {
5577 sas_device->enclosure_level = 0;
5578 sas_device->connector_name[0] = '\0';
5579 }
f92363d1
SR		 5580 /* get enclosure_logical_id */
5581 if (sas_device->enclosure_handle && !(mpt3sas_config_get_enclosure_pg0(
5582 ioc, &mpi_reply, &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
5583 sas_device->enclosure_handle)))
5584 sas_device->enclosure_logical_id =
5585 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
5586
5587 /* get device name */
5588 sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName);
5589
5590 if (ioc->wait_for_discovery_to_complete)
5591 _scsih_sas_device_init_add(ioc, sas_device);
5592 else
5593 _scsih_sas_device_add(ioc, sas_device);
5594
d1cb5e49 5595 sas_device_put(sas_device);
f92363d1
SR		 5596 return 0;
5597}
5598
5599/**
5600 * _scsih_remove_device - removing sas device object
5601 * @ioc: per adapter object
5602 * @sas_device_delete: the sas_device object
5603 *
5604 * Return nothing.
5605 */
5606static void
5607_scsih_remove_device(struct MPT3SAS_ADAPTER *ioc,
5608 struct _sas_device *sas_device)
5609{
5610 struct MPT3SAS_TARGET *sas_target_priv_data;
5611
0f624c39
SR		 5612 if ((ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) &&
5613 (sas_device->pfa_led_on)) {
5614 _scsih_turn_off_pfa_led(ioc, sas_device);
5615 sas_device->pfa_led_on = 0;
5616 }
f92363d1
SR		 5617 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5618 "%s: enter: handle(0x%04x), sas_addr(0x%016llx)\n",
5619 ioc->name, __func__,
5620 sas_device->handle, (unsigned long long)
5621 sas_device->sas_address));
e6d45e3e
SR		 5622 if (sas_device->enclosure_handle != 0)
5623 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5624 "%s: enter: enclosure logical id(0x%016llx), slot(%d)\n",
5625 ioc->name, __func__,
5626 (unsigned long long)sas_device->enclosure_logical_id,
5627 sas_device->slot));
5628 if (sas_device->connector_name[0] != '\0')
5629 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5630 "%s: enter: enclosure level(0x%04x), connector name( %s)\n",
5631 ioc->name, __func__,
5632 sas_device->enclosure_level,
5633 sas_device->connector_name));
f92363d1
SR		 5634
5635 if (sas_device->starget && sas_device->starget->hostdata) {
5636 sas_target_priv_data = sas_device->starget->hostdata;
5637 sas_target_priv_data->deleted = 1;
5638 _scsih_ublock_io_device(ioc, sas_device->sas_address);
5639 sas_target_priv_data->handle =
5640 MPT3SAS_INVALID_DEVICE_HANDLE;
5641 }
7786ab6a
SR		 5642
5643 if (!ioc->hide_drives)
5644 mpt3sas_transport_port_remove(ioc,
f92363d1
SR		 5645 sas_device->sas_address,
5646 sas_device->sas_address_parent);
5647
5648 pr_info(MPT3SAS_FMT
5649 "removing handle(0x%04x), sas_addr(0x%016llx)\n",
5650 ioc->name, sas_device->handle,
5651 (unsigned long long) sas_device->sas_address);
e6d45e3e
SR		 5652 if (sas_device->enclosure_handle != 0)
5653 pr_info(MPT3SAS_FMT
5654 "removing : enclosure logical id(0x%016llx), slot(%d)\n",
5655 ioc->name,
5656 (unsigned long long)sas_device->enclosure_logical_id,
5657 sas_device->slot);
5658 if (sas_device->connector_name[0] != '\0')
5659 pr_info(MPT3SAS_FMT
5660 "removing enclosure level(0x%04x), connector name( %s)\n",
5661 ioc->name, sas_device->enclosure_level,
5662 sas_device->connector_name);
f92363d1
SR		 5663
5664 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5665 "%s: exit: handle(0x%04x), sas_addr(0x%016llx)\n",
5666 ioc->name, __func__,
e6d45e3e
SR		 5667 sas_device->handle, (unsigned long long)
5668 sas_device->sas_address));
5669 if (sas_device->enclosure_handle != 0)
5670 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5671 "%s: exit: enclosure logical id(0x%016llx), slot(%d)\n",
5672 ioc->name, __func__,
5673 (unsigned long long)sas_device->enclosure_logical_id,
5674 sas_device->slot));
5675 if (sas_device->connector_name[0] != '\0')
5676 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5677 "%s: exit: enclosure level(0x%04x), connector name(%s)\n",
5678 ioc->name, __func__, sas_device->enclosure_level,
5679 sas_device->connector_name));
f92363d1
SR		 5680}
5681
f92363d1
SR		 5682/**
5683 * _scsih_sas_topology_change_event_debug - debug for topology event
5684 * @ioc: per adapter object
5685 * @event_data: event data payload
5686 * Context: user.
5687 */
5688static void
5689_scsih_sas_topology_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
5690 Mpi2EventDataSasTopologyChangeList_t *event_data)
5691{
5692 int i;
5693 u16 handle;
5694 u16 reason_code;
5695 u8 phy_number;
5696 char *status_str = NULL;
5697 u8 link_rate, prev_link_rate;
5698
5699 switch (event_data->ExpStatus) {
5700 case MPI2_EVENT_SAS_TOPO_ES_ADDED:
5701 status_str = "add";
5702 break;
5703 case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING:
5704 status_str = "remove";
5705 break;
5706 case MPI2_EVENT_SAS_TOPO_ES_RESPONDING:
5707 case 0:
5708 status_str = "responding";
5709 break;
5710 case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING:
5711 status_str = "remove delay";
5712 break;
5713 default:
5714 status_str = "unknown status";
5715 break;
5716 }
5717 pr_info(MPT3SAS_FMT "sas topology change: (%s)\n",
5718 ioc->name, status_str);
5719 pr_info("\thandle(0x%04x), enclosure_handle(0x%04x) " \
5720 "start_phy(%02d), count(%d)\n",
5721 le16_to_cpu(event_data->ExpanderDevHandle),
5722 le16_to_cpu(event_data->EnclosureHandle),
5723 event_data->StartPhyNum, event_data->NumEntries);
5724 for (i = 0; i < event_data->NumEntries; i++) {
5725 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
5726 if (!handle)
5727 continue;
5728 phy_number = event_data->StartPhyNum + i;
5729 reason_code = event_data->PHY[i].PhyStatus &
5730 MPI2_EVENT_SAS_TOPO_RC_MASK;
5731 switch (reason_code) {
5732 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
5733 status_str = "target add";
5734 break;
5735 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
5736 status_str = "target remove";
5737 break;
5738 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
5739 status_str = "delay target remove";
5740 break;
5741 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
5742 status_str = "link rate change";
5743 break;
5744 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
5745 status_str = "target responding";
5746 break;
5747 default:
5748 status_str = "unknown";
5749 break;
5750 }
5751 link_rate = event_data->PHY[i].LinkRate >> 4;
5752 prev_link_rate = event_data->PHY[i].LinkRate & 0xF;
5753 pr_info("\tphy(%02d), attached_handle(0x%04x): %s:" \
5754 " link rate: new(0x%02x), old(0x%02x)\n", phy_number,
5755 handle, status_str, link_rate, prev_link_rate);
5756
5757 }
5758}
f92363d1
SR		 5759
5760/**
5761 * _scsih_sas_topology_change_event - handle topology changes
5762 * @ioc: per adapter object
5763 * @fw_event: The fw_event_work object
5764 * Context: user.
5765 *
5766 */
5767static int
5768_scsih_sas_topology_change_event(struct MPT3SAS_ADAPTER *ioc,
5769 struct fw_event_work *fw_event)
5770{
5771 int i;
5772 u16 parent_handle, handle;
5773 u16 reason_code;
5774 u8 phy_number, max_phys;
5775 struct _sas_node *sas_expander;
5776 u64 sas_address;
5777 unsigned long flags;
5778 u8 link_rate, prev_link_rate;
35b62362
JL		 5779 Mpi2EventDataSasTopologyChangeList_t *event_data =
5780 (Mpi2EventDataSasTopologyChangeList_t *)
5781 fw_event->event_data;
f92363d1 5782
f92363d1
SR		 5783 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
5784 _scsih_sas_topology_change_event_debug(ioc, event_data);
f92363d1
SR		 5785
5786 if (ioc->shost_recovery || ioc->remove_host || ioc->pci_error_recovery)
5787 return 0;
5788
5789 if (!ioc->sas_hba.num_phys)
5790 _scsih_sas_host_add(ioc);
5791 else
5792 _scsih_sas_host_refresh(ioc);
5793
5794 if (fw_event->ignore) {
5795 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5796 "ignoring expander event\n", ioc->name));
5797 return 0;
5798 }
5799
5800 parent_handle = le16_to_cpu(event_data->ExpanderDevHandle);
5801
5802 /* handle expander add */
5803 if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_ADDED)
5804 if (_scsih_expander_add(ioc, parent_handle) != 0)
5805 return 0;
5806
5807 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5808 sas_expander = mpt3sas_scsih_expander_find_by_handle(ioc,
5809 parent_handle);
5810 if (sas_expander) {
5811 sas_address = sas_expander->sas_address;
5812 max_phys = sas_expander->num_phys;
5813 } else if (parent_handle < ioc->sas_hba.num_phys) {
5814 sas_address = ioc->sas_hba.sas_address;
5815 max_phys = ioc->sas_hba.num_phys;
5816 } else {
5817 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5818 return 0;
5819 }
5820 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5821
5822 /* handle siblings events */
5823 for (i = 0; i < event_data->NumEntries; i++) {
5824 if (fw_event->ignore) {
5825 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5826 "ignoring expander event\n", ioc->name));
5827 return 0;
5828 }
5829 if (ioc->remove_host || ioc->pci_error_recovery)
5830 return 0;
5831 phy_number = event_data->StartPhyNum + i;
5832 if (phy_number >= max_phys)
5833 continue;
5834 reason_code = event_data->PHY[i].PhyStatus &
5835 MPI2_EVENT_SAS_TOPO_RC_MASK;
5836 if ((event_data->PHY[i].PhyStatus &
5837 MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) && (reason_code !=
5838 MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING))
5839 continue;
5840 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
5841 if (!handle)
5842 continue;
5843 link_rate = event_data->PHY[i].LinkRate >> 4;
5844 prev_link_rate = event_data->PHY[i].LinkRate & 0xF;
5845 switch (reason_code) {
5846 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
5847
5848 if (ioc->shost_recovery)
5849 break;
5850
5851 if (link_rate == prev_link_rate)
5852 break;
5853
5854 mpt3sas_transport_update_links(ioc, sas_address,
5855 handle, phy_number, link_rate);
5856
5857 if (link_rate < MPI2_SAS_NEG_LINK_RATE_1_5)
5858 break;
5859
5860 _scsih_check_device(ioc, sas_address, handle,
5861 phy_number, link_rate);
5862
c696f7b8
SPS		 5863 if (!test_bit(handle, ioc->pend_os_device_add))
5864 break;
5865
f92363d1
SR		 5866
5867 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
5868
5869 if (ioc->shost_recovery)
5870 break;
5871
5872 mpt3sas_transport_update_links(ioc, sas_address,
5873 handle, phy_number, link_rate);
5874
5875 _scsih_add_device(ioc, handle, phy_number, 0);
5876
5877 break;
5878 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
5879
5880 _scsih_device_remove_by_handle(ioc, handle);
5881 break;
5882 }
5883 }
5884
5885 /* handle expander removal */
5886 if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING &&
5887 sas_expander)
5888 mpt3sas_expander_remove(ioc, sas_address);
5889
5890 return 0;
5891}
5892
f92363d1
SR		 5893/**
5894 * _scsih_sas_device_status_change_event_debug - debug for device event
5895 * @event_data: event data payload
5896 * Context: user.
5897 *
5898 * Return nothing.
5899 */
5900static void
5901_scsih_sas_device_status_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
5902 Mpi2EventDataSasDeviceStatusChange_t *event_data)
5903{
5904 char *reason_str = NULL;
5905
5906 switch (event_data->ReasonCode) {
5907 case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
5908 reason_str = "smart data";
5909 break;
5910 case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED:
5911 reason_str = "unsupported device discovered";
5912 break;
5913 case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
5914 reason_str = "internal device reset";
5915 break;
5916 case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL:
5917 reason_str = "internal task abort";
5918 break;
5919 case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL:
5920 reason_str = "internal task abort set";
5921 break;
5922 case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL:
5923 reason_str = "internal clear task set";
5924 break;
5925 case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL:
5926 reason_str = "internal query task";
5927 break;
5928 case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE:
5929 reason_str = "sata init failure";
5930 break;
5931 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET:
5932 reason_str = "internal device reset complete";
5933 break;
5934 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL:
5935 reason_str = "internal task abort complete";
5936 break;
5937 case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION:
5938 reason_str = "internal async notification";
5939 break;
5940 case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY:
5941 reason_str = "expander reduced functionality";
5942 break;
5943 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY:
5944 reason_str = "expander reduced functionality complete";
5945 break;
5946 default:
5947 reason_str = "unknown reason";
5948 break;
5949 }
5950 pr_info(MPT3SAS_FMT "device status change: (%s)\n"
5951 "\thandle(0x%04x), sas address(0x%016llx), tag(%d)",
5952 ioc->name, reason_str, le16_to_cpu(event_data->DevHandle),
5953 (unsigned long long)le64_to_cpu(event_data->SASAddress),
5954 le16_to_cpu(event_data->TaskTag));
5955 if (event_data->ReasonCode == MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA)
5956 pr_info(MPT3SAS_FMT ", ASC(0x%x), ASCQ(0x%x)\n", ioc->name,
5957 event_data->ASC, event_data->ASCQ);
5958 pr_info("\n");
5959}
f92363d1
SR		 5960
5961/**
5962 * _scsih_sas_device_status_change_event - handle device status change
5963 * @ioc: per adapter object
5964 * @fw_event: The fw_event_work object
5965 * Context: user.
5966 *
5967 * Return nothing.
5968 */
5969static void
5970_scsih_sas_device_status_change_event(struct MPT3SAS_ADAPTER *ioc,
5971 struct fw_event_work *fw_event)
5972{
5973 struct MPT3SAS_TARGET *target_priv_data;
5974 struct _sas_device *sas_device;
5975 u64 sas_address;
5976 unsigned long flags;
5977 Mpi2EventDataSasDeviceStatusChange_t *event_data =
35b62362
JL		 5978 (Mpi2EventDataSasDeviceStatusChange_t *)
5979 fw_event->event_data;
f92363d1 5980
f92363d1
SR		 5981 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
5982 _scsih_sas_device_status_change_event_debug(ioc,
5983 event_data);
f92363d1
SR		 5984
5985 /* In MPI Revision K (0xC), the internal device reset complete was
5986 * implemented, so avoid setting tm_busy flag for older firmware.
5987 */
5988 if ((ioc->facts.HeaderVersion >> 8) < 0xC)
5989 return;
5990
5991 if (event_data->ReasonCode !=
5992 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET &&
5993 event_data->ReasonCode !=
5994 MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET)
5995 return;
5996
5997 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5998 sas_address = le64_to_cpu(event_data->SASAddress);
d1cb5e49 5999 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
f92363d1
SR		 6000 sas_address);
6001
d1cb5e49
SR		 6002 if (!sas_device || !sas_device->starget)
6003 goto out;
f92363d1
SR		 6004
6005 target_priv_data = sas_device->starget->hostdata;
d1cb5e49
SR		 6006 if (!target_priv_data)
6007 goto out;
f92363d1
SR		 6008
6009 if (event_data->ReasonCode ==
6010 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET)
6011 target_priv_data->tm_busy = 1;
6012 else
6013 target_priv_data->tm_busy = 0;
d1cb5e49
SR		 6014
6015out:
6016 if (sas_device)
6017 sas_device_put(sas_device);
6018
f92363d1 6019 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
d1cb5e49 6020
f92363d1
SR		 6021}
6022
f92363d1
SR		 6023/**
6024 * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure
6025 * event
6026 * @ioc: per adapter object
6027 * @event_data: event data payload
6028 * Context: user.
6029 *
6030 * Return nothing.
6031 */
6032static void
6033_scsih_sas_enclosure_dev_status_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
6034 Mpi2EventDataSasEnclDevStatusChange_t *event_data)
6035{
6036 char *reason_str = NULL;
6037
6038 switch (event_data->ReasonCode) {
6039 case MPI2_EVENT_SAS_ENCL_RC_ADDED:
6040 reason_str = "enclosure add";
6041 break;
6042 case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING:
6043 reason_str = "enclosure remove";
6044 break;
6045 default:
6046 reason_str = "unknown reason";
6047 break;
6048 }
6049
6050 pr_info(MPT3SAS_FMT "enclosure status change: (%s)\n"
6051 "\thandle(0x%04x), enclosure logical id(0x%016llx)"
6052 " number slots(%d)\n", ioc->name, reason_str,
6053 le16_to_cpu(event_data->EnclosureHandle),
6054 (unsigned long long)le64_to_cpu(event_data->EnclosureLogicalID),
6055 le16_to_cpu(event_data->StartSlot));
6056}
f92363d1
SR		 6057
6058/**
6059 * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events
6060 * @ioc: per adapter object
6061 * @fw_event: The fw_event_work object
6062 * Context: user.
6063 *
6064 * Return nothing.
6065 */
6066static void
6067_scsih_sas_enclosure_dev_status_change_event(struct MPT3SAS_ADAPTER *ioc,
6068 struct fw_event_work *fw_event)
6069{
f92363d1
SR		 6070 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
6071 _scsih_sas_enclosure_dev_status_change_event_debug(ioc,
35b62362 6072 (Mpi2EventDataSasEnclDevStatusChange_t *)
f92363d1 6073 fw_event->event_data);
f92363d1
SR		 6074}
6075
6076/**
6077 * _scsih_sas_broadcast_primitive_event - handle broadcast events
6078 * @ioc: per adapter object
6079 * @fw_event: The fw_event_work object
6080 * Context: user.
6081 *
6082 * Return nothing.
6083 */
6084static void
6085_scsih_sas_broadcast_primitive_event(struct MPT3SAS_ADAPTER *ioc,
6086 struct fw_event_work *fw_event)
6087{
6088 struct scsi_cmnd *scmd;
6089 struct scsi_device *sdev;
6090 u16 smid, handle;
6091 u32 lun;
6092 struct MPT3SAS_DEVICE *sas_device_priv_data;
6093 u32 termination_count;
6094 u32 query_count;
6095 Mpi2SCSITaskManagementReply_t *mpi_reply;
35b62362
JL		 6096 Mpi2EventDataSasBroadcastPrimitive_t *event_data =
6097 (Mpi2EventDataSasBroadcastPrimitive_t *)
6098 fw_event->event_data;
f92363d1
SR		 6099 u16 ioc_status;
6100 unsigned long flags;
6101 int r;
6102 u8 max_retries = 0;
6103 u8 task_abort_retries;
6104
6105 mutex_lock(&ioc->tm_cmds.mutex);
6106 pr_info(MPT3SAS_FMT
6107 "%s: enter: phy number(%d), width(%d)\n",
6108 ioc->name, __func__, event_data->PhyNum,
6109 event_data->PortWidth);
6110
6111 _scsih_block_io_all_device(ioc);
6112
6113 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6114 mpi_reply = ioc->tm_cmds.reply;
6115 broadcast_aen_retry:
6116
6117 /* sanity checks for retrying this loop */
6118 if (max_retries++ == 5) {
6119 dewtprintk(ioc, pr_info(MPT3SAS_FMT "%s: giving up\n",
6120 ioc->name, __func__));
6121 goto out;
6122 } else if (max_retries > 1)
6123 dewtprintk(ioc, pr_info(MPT3SAS_FMT "%s: %d retry\n",
6124 ioc->name, __func__, max_retries - 1));
6125
6126 termination_count = 0;
6127 query_count = 0;
6128 for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
6129 if (ioc->shost_recovery)
6130 goto out;
6131 scmd = _scsih_scsi_lookup_get(ioc, smid);
6132 if (!scmd)
6133 continue;
6134 sdev = scmd->device;
6135 sas_device_priv_data = sdev->hostdata;
6136 if (!sas_device_priv_data || !sas_device_priv_data->sas_target)
6137 continue;
6138 /* skip hidden raid components */
6139 if (sas_device_priv_data->sas_target->flags &
6140 MPT_TARGET_FLAGS_RAID_COMPONENT)
6141 continue;
6142 /* skip volumes */
6143 if (sas_device_priv_data->sas_target->flags &
6144 MPT_TARGET_FLAGS_VOLUME)
6145 continue;
6146
6147 handle = sas_device_priv_data->sas_target->handle;
6148 lun = sas_device_priv_data->lun;
6149 query_count++;
6150
6151 if (ioc->shost_recovery)
6152 goto out;
6153
6154 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
6155 r = mpt3sas_scsih_issue_tm(ioc, handle, 0, 0, lun,
96902835 6156 MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30);
f92363d1
SR		 6157 if (r == FAILED) {
6158 sdev_printk(KERN_WARNING, sdev,
6159 "mpt3sas_scsih_issue_tm: FAILED when sending "
6160 "QUERY_TASK: scmd(%p)\n", scmd);
6161 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6162 goto broadcast_aen_retry;
6163 }
6164 ioc_status = le16_to_cpu(mpi_reply->IOCStatus)
6165 & MPI2_IOCSTATUS_MASK;
6166 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6167 sdev_printk(KERN_WARNING, sdev,
6168 "query task: FAILED with IOCSTATUS(0x%04x), scmd(%p)\n",
6169 ioc_status, scmd);
6170 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6171 goto broadcast_aen_retry;
6172 }
6173
6174 /* see if IO is still owned by IOC and target */
6175 if (mpi_reply->ResponseCode ==
6176 MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED ||
6177 mpi_reply->ResponseCode ==
6178 MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC) {
6179 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6180 continue;
6181 }
6182 task_abort_retries = 0;
6183 tm_retry:
6184 if (task_abort_retries++ == 60) {
6185 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6186 "%s: ABORT_TASK: giving up\n", ioc->name,
6187 __func__));
6188 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6189 goto broadcast_aen_retry;
6190 }
6191
6192 if (ioc->shost_recovery)
6193 goto out_no_lock;
6194
6195 r = mpt3sas_scsih_issue_tm(ioc, handle, sdev->channel, sdev->id,
96902835
CO		 6196 sdev->lun, MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid,
6197 30);
f92363d1
SR		 6198 if (r == FAILED) {
6199 sdev_printk(KERN_WARNING, sdev,
6200 "mpt3sas_scsih_issue_tm: ABORT_TASK: FAILED : "
6201 "scmd(%p)\n", scmd);
6202 goto tm_retry;
6203 }
6204
6205 if (task_abort_retries > 1)
6206 sdev_printk(KERN_WARNING, sdev,
6207 "mpt3sas_scsih_issue_tm: ABORT_TASK: RETRIES (%d):"
6208 " scmd(%p)\n",
6209 task_abort_retries - 1, scmd);
6210
6211 termination_count += le32_to_cpu(mpi_reply->TerminationCount);
6212 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6213 }
6214
6215 if (ioc->broadcast_aen_pending) {
6216 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6217 "%s: loop back due to pending AEN\n",
6218 ioc->name, __func__));
6219 ioc->broadcast_aen_pending = 0;
6220 goto broadcast_aen_retry;
6221 }
6222
6223 out:
6224 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
6225 out_no_lock:
6226
6227 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6228 "%s - exit, query_count = %d termination_count = %d\n",
6229 ioc->name, __func__, query_count, termination_count));
6230
6231 ioc->broadcast_aen_busy = 0;
6232 if (!ioc->shost_recovery)
6233 _scsih_ublock_io_all_device(ioc);
6234 mutex_unlock(&ioc->tm_cmds.mutex);
6235}
6236
6237/**
6238 * _scsih_sas_discovery_event - handle discovery events
6239 * @ioc: per adapter object
6240 * @fw_event: The fw_event_work object
6241 * Context: user.
6242 *
6243 * Return nothing.
6244 */
6245static void
6246_scsih_sas_discovery_event(struct MPT3SAS_ADAPTER *ioc,
6247 struct fw_event_work *fw_event)
6248{
35b62362
JL		 6249 Mpi2EventDataSasDiscovery_t *event_data =
6250 (Mpi2EventDataSasDiscovery_t *) fw_event->event_data;
f92363d1 6251
f92363d1
SR		 6252 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) {
6253 pr_info(MPT3SAS_FMT "discovery event: (%s)", ioc->name,
6254 (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ?
6255 "start" : "stop");
af009411
SR		 6256 if (event_data->DiscoveryStatus)
6257 pr_info("discovery_status(0x%08x)",
6258 le32_to_cpu(event_data->DiscoveryStatus));
6259 pr_info("\n");
f92363d1 6260 }
f92363d1
SR		 6261
6262 if (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED &&
6263 !ioc->sas_hba.num_phys) {
6264 if (disable_discovery > 0 && ioc->shost_recovery) {
6265 /* Wait for the reset to complete */
6266 while (ioc->shost_recovery)
6267 ssleep(1);
6268 }
6269 _scsih_sas_host_add(ioc);
6270 }
6271}
6272
6273/**
6274 * _scsih_ir_fastpath - turn on fastpath for IR physdisk
6275 * @ioc: per adapter object
6276 * @handle: device handle for physical disk
6277 * @phys_disk_num: physical disk number
6278 *
6279 * Return 0 for success, else failure.
6280 */
6281static int
6282_scsih_ir_fastpath(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phys_disk_num)
6283{
6284 Mpi2RaidActionRequest_t *mpi_request;
6285 Mpi2RaidActionReply_t *mpi_reply;
6286 u16 smid;
6287 u8 issue_reset = 0;
6288 int rc = 0;
6289 u16 ioc_status;
6290 u32 log_info;
6291
c84b06a4
SR		 6292 if (ioc->hba_mpi_version_belonged == MPI2_VERSION)
6293 return rc;
6294
f92363d1
SR		 6295 mutex_lock(&ioc->scsih_cmds.mutex);
6296
6297 if (ioc->scsih_cmds.status != MPT3_CMD_NOT_USED) {
6298 pr_err(MPT3SAS_FMT "%s: scsih_cmd in use\n",
6299 ioc->name, __func__);
6300 rc = -EAGAIN;
6301 goto out;
6302 }
6303 ioc->scsih_cmds.status = MPT3_CMD_PENDING;
6304
6305 smid = mpt3sas_base_get_smid(ioc, ioc->scsih_cb_idx);
6306 if (!smid) {
6307 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
6308 ioc->name, __func__);
6309 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
6310 rc = -EAGAIN;
6311 goto out;
6312 }
6313
6314 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
6315 ioc->scsih_cmds.smid = smid;
6316 memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t));
6317
6318 mpi_request->Function = MPI2_FUNCTION_RAID_ACTION;
6319 mpi_request->Action = MPI2_RAID_ACTION_PHYSDISK_HIDDEN;
6320 mpi_request->PhysDiskNum = phys_disk_num;
6321
6322 dewtprintk(ioc, pr_info(MPT3SAS_FMT "IR RAID_ACTION: turning fast "\
6323 "path on for handle(0x%04x), phys_disk_num (0x%02x)\n", ioc->name,
6324 handle, phys_disk_num));
6325
6326 init_completion(&ioc->scsih_cmds.done);
81c16f83 6327 ioc->put_smid_default(ioc, smid);
f92363d1
SR		 6328 wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ);
6329
6330 if (!(ioc->scsih_cmds.status & MPT3_CMD_COMPLETE)) {
6331 pr_err(MPT3SAS_FMT "%s: timeout\n",
6332 ioc->name, __func__);
6333 if (!(ioc->scsih_cmds.status & MPT3_CMD_RESET))
6334 issue_reset = 1;
6335 rc = -EFAULT;
6336 goto out;
6337 }
6338
6339 if (ioc->scsih_cmds.status & MPT3_CMD_REPLY_VALID) {
6340
6341 mpi_reply = ioc->scsih_cmds.reply;
6342 ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
6343 if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
6344 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
6345 else
6346 log_info = 0;
6347 ioc_status &= MPI2_IOCSTATUS_MASK;
6348 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6349 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6350 "IR RAID_ACTION: failed: ioc_status(0x%04x), "
6351 "loginfo(0x%08x)!!!\n", ioc->name, ioc_status,
6352 log_info));
6353 rc = -EFAULT;
6354 } else
6355 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6356 "IR RAID_ACTION: completed successfully\n",
6357 ioc->name));
6358 }
6359
6360 out:
6361 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
6362 mutex_unlock(&ioc->scsih_cmds.mutex);
6363
6364 if (issue_reset)
98c56ad3 6365 mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
f92363d1
SR		 6366 return rc;
6367}
6368
6369/**
6370 * _scsih_reprobe_lun - reprobing lun
6371 * @sdev: scsi device struct
6372 * @no_uld_attach: sdev->no_uld_attach flag setting
6373 *
6374 **/
6375static void
6376_scsih_reprobe_lun(struct scsi_device *sdev, void *no_uld_attach)
6377{
f92363d1
SR		 6378 sdev->no_uld_attach = no_uld_attach ? 1 : 0;
6379 sdev_printk(KERN_INFO, sdev, "%s raid component\n",
6c7abffc 6380 sdev->no_uld_attach ? "hiding" : "exposing");
8bbb1cf6 6381 WARN_ON(scsi_device_reprobe(sdev));
f92363d1
SR		 6382}
6383
6384/**
6385 * _scsih_sas_volume_add - add new volume
6386 * @ioc: per adapter object
6387 * @element: IR config element data
6388 * Context: user.
6389 *
6390 * Return nothing.
6391 */
6392static void
6393_scsih_sas_volume_add(struct MPT3SAS_ADAPTER *ioc,
6394 Mpi2EventIrConfigElement_t *element)
6395{
6396 struct _raid_device *raid_device;
6397 unsigned long flags;
6398 u64 wwid;
6399 u16 handle = le16_to_cpu(element->VolDevHandle);
6400 int rc;
6401
6402 mpt3sas_config_get_volume_wwid(ioc, handle, &wwid);
6403 if (!wwid) {
6404 pr_err(MPT3SAS_FMT
6405 "failure at %s:%d/%s()!\n", ioc->name,
6406 __FILE__, __LINE__, __func__);
6407 return;
6408 }
6409
6410 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6411 raid_device = _scsih_raid_device_find_by_wwid(ioc, wwid);
6412 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6413
6414 if (raid_device)
6415 return;
6416
6417 raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
6418 if (!raid_device) {
6419 pr_err(MPT3SAS_FMT
6420 "failure at %s:%d/%s()!\n", ioc->name,
6421 __FILE__, __LINE__, __func__);
6422 return;
6423 }
6424
6425 raid_device->id = ioc->sas_id++;
6426 raid_device->channel = RAID_CHANNEL;
6427 raid_device->handle = handle;
6428 raid_device->wwid = wwid;
6429 _scsih_raid_device_add(ioc, raid_device);
6430 if (!ioc->wait_for_discovery_to_complete) {
6431 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
6432 raid_device->id, 0);
6433 if (rc)
6434 _scsih_raid_device_remove(ioc, raid_device);
6435 } else {
6436 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6437 _scsih_determine_boot_device(ioc, raid_device, 1);
6438 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6439 }
6440}
6441
6442/**
6443 * _scsih_sas_volume_delete - delete volume
6444 * @ioc: per adapter object
6445 * @handle: volume device handle
6446 * Context: user.
6447 *
6448 * Return nothing.
6449 */
6450static void
6451_scsih_sas_volume_delete(struct MPT3SAS_ADAPTER *ioc, u16 handle)
6452{
6453 struct _raid_device *raid_device;
6454 unsigned long flags;
6455 struct MPT3SAS_TARGET *sas_target_priv_data;
6456 struct scsi_target *starget = NULL;
6457
6458 spin_lock_irqsave(&ioc->raid_device_lock, flags);
c84b06a4 6459 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
f92363d1
SR		 6460 if (raid_device) {
6461 if (raid_device->starget) {
6462 starget = raid_device->starget;
6463 sas_target_priv_data = starget->hostdata;
6464 sas_target_priv_data->deleted = 1;
6465 }
6466 pr_info(MPT3SAS_FMT "removing handle(0x%04x), wwid(0x%016llx)\n",
6467 ioc->name, raid_device->handle,
6468 (unsigned long long) raid_device->wwid);
6469 list_del(&raid_device->list);
6470 kfree(raid_device);
6471 }
6472 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6473 if (starget)
6474 scsi_remove_target(&starget->dev);
6475}
6476
6477/**
6478 * _scsih_sas_pd_expose - expose pd component to /dev/sdX
6479 * @ioc: per adapter object
6480 * @element: IR config element data
6481 * Context: user.
6482 *
6483 * Return nothing.
6484 */
6485static void
6486_scsih_sas_pd_expose(struct MPT3SAS_ADAPTER *ioc,
6487 Mpi2EventIrConfigElement_t *element)
6488{
6489 struct _sas_device *sas_device;
6490 struct scsi_target *starget = NULL;
6491 struct MPT3SAS_TARGET *sas_target_priv_data;
6492 unsigned long flags;
6493 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6494
6495 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 6496 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
f92363d1
SR		 6497 if (sas_device) {
6498 sas_device->volume_handle = 0;
6499 sas_device->volume_wwid = 0;
6500 clear_bit(handle, ioc->pd_handles);
6501 if (sas_device->starget && sas_device->starget->hostdata) {
6502 starget = sas_device->starget;
6503 sas_target_priv_data = starget->hostdata;
6504 sas_target_priv_data->flags &=
6505 ~MPT_TARGET_FLAGS_RAID_COMPONENT;
6506 }
6507 }
6508 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
6509 if (!sas_device)
6510 return;
6511
6512 /* exposing raid component */
6513 if (starget)
6514 starget_for_each_device(starget, NULL, _scsih_reprobe_lun);
d1cb5e49
SR		 6515
6516 sas_device_put(sas_device);
f92363d1
SR		 6517}
6518
6519/**
6520 * _scsih_sas_pd_hide - hide pd component from /dev/sdX
6521 * @ioc: per adapter object
6522 * @element: IR config element data
6523 * Context: user.
6524 *
6525 * Return nothing.
6526 */
6527static void
6528_scsih_sas_pd_hide(struct MPT3SAS_ADAPTER *ioc,
6529 Mpi2EventIrConfigElement_t *element)
6530{
6531 struct _sas_device *sas_device;
6532 struct scsi_target *starget = NULL;
6533 struct MPT3SAS_TARGET *sas_target_priv_data;
6534 unsigned long flags;
6535 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6536 u16 volume_handle = 0;
6537 u64 volume_wwid = 0;
6538
6539 mpt3sas_config_get_volume_handle(ioc, handle, &volume_handle);
6540 if (volume_handle)
6541 mpt3sas_config_get_volume_wwid(ioc, volume_handle,
6542 &volume_wwid);
6543
6544 spin_lock_irqsave(&ioc->sas_device_lock, flags);
d1cb5e49 6545 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
f92363d1
SR		 6546 if (sas_device) {
6547 set_bit(handle, ioc->pd_handles);
6548 if (sas_device->starget && sas_device->starget->hostdata) {
6549 starget = sas_device->starget;
6550 sas_target_priv_data = starget->hostdata;
6551 sas_target_priv_data->flags |=
6552 MPT_TARGET_FLAGS_RAID_COMPONENT;
6553 sas_device->volume_handle = volume_handle;
6554 sas_device->volume_wwid = volume_wwid;
6555 }
6556 }
6557 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
6558 if (!sas_device)
6559 return;
6560
6561 /* hiding raid component */
6562 _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum);
c84b06a4 6563
f92363d1
SR		 6564 if (starget)
6565 starget_for_each_device(starget, (void *)1, _scsih_reprobe_lun);
d1cb5e49
SR		 6566
6567 sas_device_put(sas_device);
f92363d1
SR		 6568}
6569
6570/**
6571 * _scsih_sas_pd_delete - delete pd component
6572 * @ioc: per adapter object
6573 * @element: IR config element data
6574 * Context: user.
6575 *
6576 * Return nothing.
6577 */
6578static void
6579_scsih_sas_pd_delete(struct MPT3SAS_ADAPTER *ioc,
6580 Mpi2EventIrConfigElement_t *element)
6581{
6582 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6583
6584 _scsih_device_remove_by_handle(ioc, handle);
6585}
6586
6587/**
6588 * _scsih_sas_pd_add - remove pd component
6589 * @ioc: per adapter object
6590 * @element: IR config element data
6591 * Context: user.
6592 *
6593 * Return nothing.
6594 */
6595static void
6596_scsih_sas_pd_add(struct MPT3SAS_ADAPTER *ioc,
6597 Mpi2EventIrConfigElement_t *element)
6598{
6599 struct _sas_device *sas_device;
f92363d1
SR		 6600 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6601 Mpi2ConfigReply_t mpi_reply;
6602 Mpi2SasDevicePage0_t sas_device_pg0;
6603 u32 ioc_status;
6604 u64 sas_address;
6605 u16 parent_handle;
6606
6607 set_bit(handle, ioc->pd_handles);
6608
d1cb5e49 6609 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
f92363d1
SR		 6610 if (sas_device) {
6611 _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum);
d1cb5e49 6612 sas_device_put(sas_device);
f92363d1
SR		 6613 return;
6614 }
6615
6616 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
6617 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
6618 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
6619 ioc->name, __FILE__, __LINE__, __func__);
6620 return;
6621 }
6622
6623 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
6624 MPI2_IOCSTATUS_MASK;
6625 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6626 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
6627 ioc->name, __FILE__, __LINE__, __func__);
6628 return;
6629 }
6630
6631 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
6632 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
6633 mpt3sas_transport_update_links(ioc, sas_address, handle,
6634 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
6635
6636 _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum);
6637 _scsih_add_device(ioc, handle, 0, 1);
6638}
6639
f92363d1
SR		 6640/**
6641 * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events
6642 * @ioc: per adapter object
6643 * @event_data: event data payload
6644 * Context: user.
6645 *
6646 * Return nothing.
6647 */
6648static void
6649_scsih_sas_ir_config_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
6650 Mpi2EventDataIrConfigChangeList_t *event_data)
6651{
6652 Mpi2EventIrConfigElement_t *element;
6653 u8 element_type;
6654 int i;
6655 char *reason_str = NULL, *element_str = NULL;
6656
6657 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
6658
6659 pr_info(MPT3SAS_FMT "raid config change: (%s), elements(%d)\n",
6660 ioc->name, (le32_to_cpu(event_data->Flags) &
6661 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ?
6662 "foreign" : "native", event_data->NumElements);
6663 for (i = 0; i < event_data->NumElements; i++, element++) {
6664 switch (element->ReasonCode) {
6665 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
6666 reason_str = "add";
6667 break;
6668 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
6669 reason_str = "remove";
6670 break;
6671 case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE:
6672 reason_str = "no change";
6673 break;
6674 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
6675 reason_str = "hide";
6676 break;
6677 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
6678 reason_str = "unhide";
6679 break;
6680 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
6681 reason_str = "volume_created";
6682 break;
6683 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
6684 reason_str = "volume_deleted";
6685 break;
6686 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
6687 reason_str = "pd_created";
6688 break;
6689 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
6690 reason_str = "pd_deleted";
6691 break;
6692 default:
6693 reason_str = "unknown reason";
6694 break;
6695 }
6696 element_type = le16_to_cpu(element->ElementFlags) &
6697 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK;
6698 switch (element_type) {
6699 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT:
6700 element_str = "volume";
6701 break;
6702 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT:
6703 element_str = "phys disk";
6704 break;
6705 case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT:
6706 element_str = "hot spare";
6707 break;
6708 default:
6709 element_str = "unknown element";
6710 break;
6711 }
6712 pr_info("\t(%s:%s), vol handle(0x%04x), " \
6713 "pd handle(0x%04x), pd num(0x%02x)\n", element_str,
6714 reason_str, le16_to_cpu(element->VolDevHandle),
6715 le16_to_cpu(element->PhysDiskDevHandle),
6716 element->PhysDiskNum);
6717 }
6718}
f92363d1
SR		 6719
6720/**
6721 * _scsih_sas_ir_config_change_event - handle ir configuration change events
6722 * @ioc: per adapter object
6723 * @fw_event: The fw_event_work object
6724 * Context: user.
6725 *
6726 * Return nothing.
6727 */
6728static void
6729_scsih_sas_ir_config_change_event(struct MPT3SAS_ADAPTER *ioc,
6730 struct fw_event_work *fw_event)
6731{
6732 Mpi2EventIrConfigElement_t *element;
6733 int i;
6734 u8 foreign_config;
35b62362
JL		 6735 Mpi2EventDataIrConfigChangeList_t *event_data =
6736 (Mpi2EventDataIrConfigChangeList_t *)
6737 fw_event->event_data;
f92363d1 6738
7786ab6a
SR		 6739 if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) &&
6740 (!ioc->hide_ir_msg))
f92363d1
SR		 6741 _scsih_sas_ir_config_change_event_debug(ioc, event_data);
6742
f92363d1
SR		 6743 foreign_config = (le32_to_cpu(event_data->Flags) &
6744 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
6745
6746 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
c84b06a4
SR		 6747 if (ioc->shost_recovery &&
6748 ioc->hba_mpi_version_belonged != MPI2_VERSION) {
f92363d1
SR		 6749 for (i = 0; i < event_data->NumElements; i++, element++) {
6750 if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_HIDE)
6751 _scsih_ir_fastpath(ioc,
6752 le16_to_cpu(element->PhysDiskDevHandle),
6753 element->PhysDiskNum);
6754 }
6755 return;
6756 }
7786ab6a 6757
f92363d1
SR		 6758 for (i = 0; i < event_data->NumElements; i++, element++) {
6759
6760 switch (element->ReasonCode) {
6761 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
6762 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
6763 if (!foreign_config)
6764 _scsih_sas_volume_add(ioc, element);
6765 break;
6766 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
6767 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
6768 if (!foreign_config)
6769 _scsih_sas_volume_delete(ioc,
6770 le16_to_cpu(element->VolDevHandle));
6771 break;
6772 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
7786ab6a
SR		 6773 if (!ioc->is_warpdrive)
6774 _scsih_sas_pd_hide(ioc, element);
f92363d1
SR		 6775 break;
6776 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
7786ab6a
SR		 6777 if (!ioc->is_warpdrive)
6778 _scsih_sas_pd_expose(ioc, element);
f92363d1
SR		 6779 break;
6780 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
7786ab6a
SR		 6781 if (!ioc->is_warpdrive)
6782 _scsih_sas_pd_add(ioc, element);
f92363d1
SR		 6783 break;
6784 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
7786ab6a
SR		 6785 if (!ioc->is_warpdrive)
6786 _scsih_sas_pd_delete(ioc, element);
f92363d1
SR		 6787 break;
6788 }
6789 }
6790}
6791
6792/**
6793 * _scsih_sas_ir_volume_event - IR volume event
6794 * @ioc: per adapter object
6795 * @fw_event: The fw_event_work object
6796 * Context: user.
6797 *
6798 * Return nothing.
6799 */
6800static void
6801_scsih_sas_ir_volume_event(struct MPT3SAS_ADAPTER *ioc,
6802 struct fw_event_work *fw_event)
6803{
6804 u64 wwid;
6805 unsigned long flags;
6806 struct _raid_device *raid_device;
6807 u16 handle;
6808 u32 state;
6809 int rc;
35b62362
JL		 6810 Mpi2EventDataIrVolume_t *event_data =
6811 (Mpi2EventDataIrVolume_t *) fw_event->event_data;
f92363d1
SR		 6812
6813 if (ioc->shost_recovery)
6814 return;
6815
6816 if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
6817 return;
6818
6819 handle = le16_to_cpu(event_data->VolDevHandle);
6820 state = le32_to_cpu(event_data->NewValue);
7786ab6a
SR		 6821 if (!ioc->hide_ir_msg)
6822 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6823 "%s: handle(0x%04x), old(0x%08x), new(0x%08x)\n",
6824 ioc->name, __func__, handle,
6825 le32_to_cpu(event_data->PreviousValue), state));
f92363d1
SR		 6826 switch (state) {
6827 case MPI2_RAID_VOL_STATE_MISSING:
6828 case MPI2_RAID_VOL_STATE_FAILED:
6829 _scsih_sas_volume_delete(ioc, handle);
6830 break;
6831
6832 case MPI2_RAID_VOL_STATE_ONLINE:
6833 case MPI2_RAID_VOL_STATE_DEGRADED:
6834 case MPI2_RAID_VOL_STATE_OPTIMAL:
6835
6836 spin_lock_irqsave(&ioc->raid_device_lock, flags);
c84b06a4 6837 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
f92363d1
SR		 6838 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6839
6840 if (raid_device)
6841 break;
6842
6843 mpt3sas_config_get_volume_wwid(ioc, handle, &wwid);
6844 if (!wwid) {
6845 pr_err(MPT3SAS_FMT
6846 "failure at %s:%d/%s()!\n", ioc->name,
6847 __FILE__, __LINE__, __func__);
6848 break;
6849 }
6850
6851 raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
6852 if (!raid_device) {
6853 pr_err(MPT3SAS_FMT
6854 "failure at %s:%d/%s()!\n", ioc->name,
6855 __FILE__, __LINE__, __func__);
6856 break;
6857 }
6858
6859 raid_device->id = ioc->sas_id++;
6860 raid_device->channel = RAID_CHANNEL;
6861 raid_device->handle = handle;
6862 raid_device->wwid = wwid;
6863 _scsih_raid_device_add(ioc, raid_device);
6864 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
6865 raid_device->id, 0);
6866 if (rc)
6867 _scsih_raid_device_remove(ioc, raid_device);
6868 break;
6869
6870 case MPI2_RAID_VOL_STATE_INITIALIZING:
6871 default:
6872 break;
6873 }
6874}
6875
6876/**
6877 * _scsih_sas_ir_physical_disk_event - PD event
6878 * @ioc: per adapter object
6879 * @fw_event: The fw_event_work object
6880 * Context: user.
6881 *
6882 * Return nothing.
6883 */
6884static void
6885_scsih_sas_ir_physical_disk_event(struct MPT3SAS_ADAPTER *ioc,
6886 struct fw_event_work *fw_event)
6887{
6888 u16 handle, parent_handle;
6889 u32 state;
6890 struct _sas_device *sas_device;
f92363d1
SR		 6891 Mpi2ConfigReply_t mpi_reply;
6892 Mpi2SasDevicePage0_t sas_device_pg0;
6893 u32 ioc_status;
35b62362
JL		 6894 Mpi2EventDataIrPhysicalDisk_t *event_data =
6895 (Mpi2EventDataIrPhysicalDisk_t *) fw_event->event_data;
f92363d1
SR		 6896 u64 sas_address;
6897
6898 if (ioc->shost_recovery)
6899 return;
6900
6901 if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED)
6902 return;
6903
6904 handle = le16_to_cpu(event_data->PhysDiskDevHandle);
6905 state = le32_to_cpu(event_data->NewValue);
6906
7786ab6a
SR		 6907 if (!ioc->hide_ir_msg)
6908 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6909 "%s: handle(0x%04x), old(0x%08x), new(0x%08x)\n",
6910 ioc->name, __func__, handle,
f92363d1 6911 le32_to_cpu(event_data->PreviousValue), state));
7786ab6a 6912
f92363d1
SR		 6913 switch (state) {
6914 case MPI2_RAID_PD_STATE_ONLINE:
6915 case MPI2_RAID_PD_STATE_DEGRADED:
6916 case MPI2_RAID_PD_STATE_REBUILDING:
6917 case MPI2_RAID_PD_STATE_OPTIMAL:
6918 case MPI2_RAID_PD_STATE_HOT_SPARE:
6919
7786ab6a
SR		 6920 if (!ioc->is_warpdrive)
6921 set_bit(handle, ioc->pd_handles);
f92363d1 6922
d1cb5e49
SR		 6923 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
6924 if (sas_device) {
6925 sas_device_put(sas_device);
f92363d1 6926 return;
d1cb5e49 6927 }
f92363d1
SR		 6928
6929 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
6930 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
6931 handle))) {
6932 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
6933 ioc->name, __FILE__, __LINE__, __func__);
6934 return;
6935 }
6936
6937 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
6938 MPI2_IOCSTATUS_MASK;
6939 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6940 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
6941 ioc->name, __FILE__, __LINE__, __func__);
6942 return;
6943 }
6944
6945 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
6946 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
6947 mpt3sas_transport_update_links(ioc, sas_address, handle,
6948 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
6949
6950 _scsih_add_device(ioc, handle, 0, 1);
6951
6952 break;
6953
6954 case MPI2_RAID_PD_STATE_OFFLINE:
6955 case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
6956 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
6957 default:
6958 break;
6959 }
6960}
6961
f92363d1
SR		 6962/**
6963 * _scsih_sas_ir_operation_status_event_debug - debug for IR op event
6964 * @ioc: per adapter object
6965 * @event_data: event data payload
6966 * Context: user.
6967 *
6968 * Return nothing.
6969 */
6970static void
6971_scsih_sas_ir_operation_status_event_debug(struct MPT3SAS_ADAPTER *ioc,
6972 Mpi2EventDataIrOperationStatus_t *event_data)
6973{
6974 char *reason_str = NULL;
6975
6976 switch (event_data->RAIDOperation) {
6977 case MPI2_EVENT_IR_RAIDOP_RESYNC:
6978 reason_str = "resync";
6979 break;
6980 case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION:
6981 reason_str = "online capacity expansion";
6982 break;
6983 case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK:
6984 reason_str = "consistency check";
6985 break;
6986 case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT:
6987 reason_str = "background init";
6988 break;
6989 case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT:
6990 reason_str = "make data consistent";
6991 break;
6992 }
6993
6994 if (!reason_str)
6995 return;
6996
6997 pr_info(MPT3SAS_FMT "raid operational status: (%s)" \
6998 "\thandle(0x%04x), percent complete(%d)\n",
6999 ioc->name, reason_str,
7000 le16_to_cpu(event_data->VolDevHandle),
7001 event_data->PercentComplete);
7002}
f92363d1
SR		 7003
7004/**
7005 * _scsih_sas_ir_operation_status_event - handle RAID operation events
7006 * @ioc: per adapter object
7007 * @fw_event: The fw_event_work object
7008 * Context: user.
7009 *
7010 * Return nothing.
7011 */
7012static void
7013_scsih_sas_ir_operation_status_event(struct MPT3SAS_ADAPTER *ioc,
7014 struct fw_event_work *fw_event)
7015{
35b62362
JL		 7016 Mpi2EventDataIrOperationStatus_t *event_data =
7017 (Mpi2EventDataIrOperationStatus_t *)
7018 fw_event->event_data;
f92363d1
SR		 7019 static struct _raid_device *raid_device;
7020 unsigned long flags;
7021 u16 handle;
7022
7786ab6a
SR		 7023 if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) &&
7024 (!ioc->hide_ir_msg))
f92363d1
SR		 7025 _scsih_sas_ir_operation_status_event_debug(ioc,
7026 event_data);
f92363d1
SR		 7027
7028 /* code added for raid transport support */
7029 if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) {
7030
7031 spin_lock_irqsave(&ioc->raid_device_lock, flags);
7032 handle = le16_to_cpu(event_data->VolDevHandle);
c84b06a4 7033 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
f92363d1
SR		 7034 if (raid_device)
7035 raid_device->percent_complete =
7036 event_data->PercentComplete;
7037 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7038 }
7039}
7040
7041/**
7042 * _scsih_prep_device_scan - initialize parameters prior to device scan
7043 * @ioc: per adapter object
7044 *
7045 * Set the deleted flag prior to device scan. If the device is found during
7046 * the scan, then we clear the deleted flag.
7047 */
7048static void
7049_scsih_prep_device_scan(struct MPT3SAS_ADAPTER *ioc)
7050{
7051 struct MPT3SAS_DEVICE *sas_device_priv_data;
7052 struct scsi_device *sdev;
7053
7054 shost_for_each_device(sdev, ioc->shost) {
7055 sas_device_priv_data = sdev->hostdata;
7056 if (sas_device_priv_data && sas_device_priv_data->sas_target)
7057 sas_device_priv_data->sas_target->deleted = 1;
7058 }
7059}
7060
7061/**
7062 * _scsih_mark_responding_sas_device - mark a sas_devices as responding
7063 * @ioc: per adapter object
e6d45e3e 7064 * @sas_device_pg0: SAS Device page 0
f92363d1
SR		 7065 *
7066 * After host reset, find out whether devices are still responding.
7067 * Used in _scsih_remove_unresponsive_sas_devices.
7068 *
7069 * Return nothing.
7070 */
7071static void
e6d45e3e
SR		 7072_scsih_mark_responding_sas_device(struct MPT3SAS_ADAPTER *ioc,
7073Mpi2SasDevicePage0_t *sas_device_pg0)
f92363d1
SR		 7074{
7075 struct MPT3SAS_TARGET *sas_target_priv_data = NULL;
7076 struct scsi_target *starget;
7077 struct _sas_device *sas_device;
7078 unsigned long flags;
7079
7080 spin_lock_irqsave(&ioc->sas_device_lock, flags);
7081 list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
e6d45e3e
SR		 7082 if ((sas_device->sas_address == sas_device_pg0->SASAddress) &&
7083 (sas_device->slot == sas_device_pg0->Slot)) {
f92363d1
SR		 7084 sas_device->responding = 1;
7085 starget = sas_device->starget;
7086 if (starget && starget->hostdata) {
7087 sas_target_priv_data = starget->hostdata;
7088 sas_target_priv_data->tm_busy = 0;
7089 sas_target_priv_data->deleted = 0;
7090 } else
7091 sas_target_priv_data = NULL;
e6d45e3e 7092 if (starget) {
f92363d1 7093 starget_printk(KERN_INFO, starget,
e6d45e3e
SR		 7094 "handle(0x%04x), sas_addr(0x%016llx)\n",
7095 sas_device_pg0->DevHandle,
f92363d1 7096 (unsigned long long)
e6d45e3e
SR		 7097 sas_device->sas_address);
7098
7099 if (sas_device->enclosure_handle != 0)
7100 starget_printk(KERN_INFO, starget,
7101 "enclosure logical id(0x%016llx),"
7102 " slot(%d)\n",
7103 (unsigned long long)
7104 sas_device->enclosure_logical_id,
7105 sas_device->slot);
7106 }
7107 if (sas_device_pg0->Flags &
7108 MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
7109 sas_device->enclosure_level =
aa53bb89 7110 sas_device_pg0->EnclosureLevel;
e6d45e3e
SR		 7111 memcpy(&sas_device->connector_name[0],
7112 &sas_device_pg0->ConnectorName[0], 4);
7113 } else {
7114 sas_device->enclosure_level = 0;
7115 sas_device->connector_name[0] = '\0';
7116 }
7117
7118 if (sas_device->handle == sas_device_pg0->DevHandle)
f92363d1
SR		 7119 goto out;
7120 pr_info("\thandle changed from(0x%04x)!!!\n",
7121 sas_device->handle);
e6d45e3e 7122 sas_device->handle = sas_device_pg0->DevHandle;
f92363d1 7123 if (sas_target_priv_data)
e6d45e3e
SR		 7124 sas_target_priv_data->handle =
7125 sas_device_pg0->DevHandle;
f92363d1
SR		 7126 goto out;
7127 }
7128 }
7129 out:
7130 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
7131}
7132
7133/**
7134 * _scsih_search_responding_sas_devices -
7135 * @ioc: per adapter object
7136 *
7137 * After host reset, find out whether devices are still responding.
7138 * If not remove.
7139 *
7140 * Return nothing.
7141 */
7142static void
7143_scsih_search_responding_sas_devices(struct MPT3SAS_ADAPTER *ioc)
7144{
7145 Mpi2SasDevicePage0_t sas_device_pg0;
7146 Mpi2ConfigReply_t mpi_reply;
7147 u16 ioc_status;
7148 u16 handle;
7149 u32 device_info;
7150
7151 pr_info(MPT3SAS_FMT "search for end-devices: start\n", ioc->name);
7152
7153 if (list_empty(&ioc->sas_device_list))
7154 goto out;
7155
7156 handle = 0xFFFF;
7157 while (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
7158 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
7159 handle))) {
7160 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7161 MPI2_IOCSTATUS_MASK;
14be49ac 7162 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
f92363d1 7163 break;
e6d45e3e
SR		 7164 handle = sas_device_pg0.DevHandle =
7165 le16_to_cpu(sas_device_pg0.DevHandle);
f92363d1
SR		 7166 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
7167 if (!(_scsih_is_end_device(device_info)))
7168 continue;
e6d45e3e
SR		 7169 sas_device_pg0.SASAddress =
7170 le64_to_cpu(sas_device_pg0.SASAddress);
7171 sas_device_pg0.Slot = le16_to_cpu(sas_device_pg0.Slot);
aa53bb89 7172 sas_device_pg0.Flags = le16_to_cpu(sas_device_pg0.Flags);
e6d45e3e 7173 _scsih_mark_responding_sas_device(ioc, &sas_device_pg0);
f92363d1
SR		 7174 }
7175
7176 out:
7177 pr_info(MPT3SAS_FMT "search for end-devices: complete\n",
7178 ioc->name);
7179}
7180
7181/**
7182 * _scsih_mark_responding_raid_device - mark a raid_device as responding
7183 * @ioc: per adapter object
7184 * @wwid: world wide identifier for raid volume
7185 * @handle: device handle
7186 *
7187 * After host reset, find out whether devices are still responding.
7188 * Used in _scsih_remove_unresponsive_raid_devices.
7189 *
7190 * Return nothing.
7191 */
7192static void
7193_scsih_mark_responding_raid_device(struct MPT3SAS_ADAPTER *ioc, u64 wwid,
7194 u16 handle)
7195{
7786ab6a 7196 struct MPT3SAS_TARGET *sas_target_priv_data = NULL;
f92363d1
SR		 7197 struct scsi_target *starget;
7198 struct _raid_device *raid_device;
7199 unsigned long flags;
7200
7201 spin_lock_irqsave(&ioc->raid_device_lock, flags);
7202 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
7203 if (raid_device->wwid == wwid && raid_device->starget) {
7204 starget = raid_device->starget;
7205 if (starget && starget->hostdata) {
7206 sas_target_priv_data = starget->hostdata;
7207 sas_target_priv_data->deleted = 0;
7208 } else
7209 sas_target_priv_data = NULL;
7210 raid_device->responding = 1;
7211 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7212 starget_printk(KERN_INFO, raid_device->starget,
7213 "handle(0x%04x), wwid(0x%016llx)\n", handle,
7214 (unsigned long long)raid_device->wwid);
7786ab6a 7215
7786ab6a
SR		 7216 /*
7217 * WARPDRIVE: The handles of the PDs might have changed
7218 * across the host reset so re-initialize the
7219 * required data for Direct IO
7220 */
c84b06a4 7221 mpt3sas_init_warpdrive_properties(ioc, raid_device);
f92363d1
SR		 7222 spin_lock_irqsave(&ioc->raid_device_lock, flags);
7223 if (raid_device->handle == handle) {
7224 spin_unlock_irqrestore(&ioc->raid_device_lock,
7225 flags);
7226 return;
7227 }
7228 pr_info("\thandle changed from(0x%04x)!!!\n",
7229 raid_device->handle);
7230 raid_device->handle = handle;
7231 if (sas_target_priv_data)
7232 sas_target_priv_data->handle = handle;
7233 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7234 return;
7235 }
7236 }
7237 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7238}
7239
7240/**
7241 * _scsih_search_responding_raid_devices -
7242 * @ioc: per adapter object
7243 *
7244 * After host reset, find out whether devices are still responding.
7245 * If not remove.
7246 *
7247 * Return nothing.
7248 */
7249static void
7250_scsih_search_responding_raid_devices(struct MPT3SAS_ADAPTER *ioc)
7251{
7252 Mpi2RaidVolPage1_t volume_pg1;
7253 Mpi2RaidVolPage0_t volume_pg0;
7254 Mpi2RaidPhysDiskPage0_t pd_pg0;
7255 Mpi2ConfigReply_t mpi_reply;
7256 u16 ioc_status;
7257 u16 handle;
7258 u8 phys_disk_num;
7259
7260 if (!ioc->ir_firmware)
7261 return;
7262
7263 pr_info(MPT3SAS_FMT "search for raid volumes: start\n",
7264 ioc->name);
7265
7266 if (list_empty(&ioc->raid_device_list))
7267 goto out;
7268
7269 handle = 0xFFFF;
7270 while (!(mpt3sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
7271 &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
7272 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7273 MPI2_IOCSTATUS_MASK;
14be49ac 7274 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
f92363d1
SR		 7275 break;
7276 handle = le16_to_cpu(volume_pg1.DevHandle);
7277
7278 if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply,
7279 &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
7280 sizeof(Mpi2RaidVolPage0_t)))
7281 continue;
7282
7283 if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL ||
7284 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE ||
7285 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED)
7286 _scsih_mark_responding_raid_device(ioc,
7287 le64_to_cpu(volume_pg1.WWID), handle);
7288 }
7289
7290 /* refresh the pd_handles */
7786ab6a 7291 if (!ioc->is_warpdrive) {
f92363d1
SR		 7292 phys_disk_num = 0xFF;
7293 memset(ioc->pd_handles, 0, ioc->pd_handles_sz);
7294 while (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
7295 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM,
7296 phys_disk_num))) {
7297 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7298 MPI2_IOCSTATUS_MASK;
14be49ac 7299 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
f92363d1
SR		 7300 break;
7301 phys_disk_num = pd_pg0.PhysDiskNum;
7302 handle = le16_to_cpu(pd_pg0.DevHandle);
7303 set_bit(handle, ioc->pd_handles);
7304 }
7786ab6a 7305 }
f92363d1
SR		 7306 out:
7307 pr_info(MPT3SAS_FMT "search for responding raid volumes: complete\n",
7308 ioc->name);
7309}
7310
7311/**
7312 * _scsih_mark_responding_expander - mark a expander as responding
7313 * @ioc: per adapter object
7314 * @sas_address: sas address
7315 * @handle:
7316 *
7317 * After host reset, find out whether devices are still responding.
7318 * Used in _scsih_remove_unresponsive_expanders.
7319 *
7320 * Return nothing.
7321 */
7322static void
7323_scsih_mark_responding_expander(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
7324 u16 handle)
7325{
7326 struct _sas_node *sas_expander;
7327 unsigned long flags;
7328 int i;
7329
7330 spin_lock_irqsave(&ioc->sas_node_lock, flags);
7331 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
7332 if (sas_expander->sas_address != sas_address)
7333 continue;
7334 sas_expander->responding = 1;
7335 if (sas_expander->handle == handle)
7336 goto out;
7337 pr_info("\texpander(0x%016llx): handle changed" \
7338 " from(0x%04x) to (0x%04x)!!!\n",
7339 (unsigned long long)sas_expander->sas_address,
7340 sas_expander->handle, handle);
7341 sas_expander->handle = handle;
7342 for (i = 0 ; i < sas_expander->num_phys ; i++)
7343 sas_expander->phy[i].handle = handle;
7344 goto out;
7345 }
7346 out:
7347 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
7348}
7349
7350/**
7351 * _scsih_search_responding_expanders -
7352 * @ioc: per adapter object
7353 *
7354 * After host reset, find out whether devices are still responding.
7355 * If not remove.
7356 *
7357 * Return nothing.
7358 */
7359static void
7360_scsih_search_responding_expanders(struct MPT3SAS_ADAPTER *ioc)
7361{
7362 Mpi2ExpanderPage0_t expander_pg0;
7363 Mpi2ConfigReply_t mpi_reply;
7364 u16 ioc_status;
7365 u64 sas_address;
7366 u16 handle;
7367
7368 pr_info(MPT3SAS_FMT "search for expanders: start\n", ioc->name);
7369
7370 if (list_empty(&ioc->sas_expander_list))
7371 goto out;
7372
7373 handle = 0xFFFF;
7374 while (!(mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
7375 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) {
7376
7377 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7378 MPI2_IOCSTATUS_MASK;
14be49ac 7379 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
f92363d1
SR		 7380 break;
7381
7382 handle = le16_to_cpu(expander_pg0.DevHandle);
7383 sas_address = le64_to_cpu(expander_pg0.SASAddress);
7384 pr_info("\texpander present: handle(0x%04x), sas_addr(0x%016llx)\n",
7385 handle,
7386 (unsigned long long)sas_address);
7387 _scsih_mark_responding_expander(ioc, sas_address, handle);
7388 }
7389
7390 out:
7391 pr_info(MPT3SAS_FMT "search for expanders: complete\n", ioc->name);
7392}
7393
7394/**
7395 * _scsih_remove_unresponding_sas_devices - removing unresponding devices
7396 * @ioc: per adapter object
7397 *
7398 * Return nothing.
7399 */
7400static void
7401_scsih_remove_unresponding_sas_devices(struct MPT3SAS_ADAPTER *ioc)
7402{
7403 struct _sas_device *sas_device, *sas_device_next;
7404 struct _sas_node *sas_expander, *sas_expander_next;
7405 struct _raid_device *raid_device, *raid_device_next;
7406 struct list_head tmp_list;
7407 unsigned long flags;
d1cb5e49 7408 LIST_HEAD(head);
f92363d1
SR		 7409
7410 pr_info(MPT3SAS_FMT "removing unresponding devices: start\n",
7411 ioc->name);
7412
7413 /* removing unresponding end devices */
7414 pr_info(MPT3SAS_FMT "removing unresponding devices: end-devices\n",
7415 ioc->name);
d1cb5e49
SR		 7416 /*
7417 * Iterate, pulling off devices marked as non-responding. We become the
7418 * owner for the reference the list had on any object we prune.
7419 */
7420 spin_lock_irqsave(&ioc->sas_device_lock, flags);
f92363d1
SR		 7421 list_for_each_entry_safe(sas_device, sas_device_next,
7422 &ioc->sas_device_list, list) {
7423 if (!sas_device->responding)
d1cb5e49 7424 list_move_tail(&sas_device->list, &head);
f92363d1
SR		 7425 else
7426 sas_device->responding = 0;
7427 }
d1cb5e49
SR		 7428 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
7429
7430 /*
7431 * Now, uninitialize and remove the unresponding devices we pruned.
7432 */
7433 list_for_each_entry_safe(sas_device, sas_device_next, &head, list) {
7434 _scsih_remove_device(ioc, sas_device);
7435 list_del_init(&sas_device->list);
7436 sas_device_put(sas_device);
7437 }
f92363d1
SR		 7438
7439 /* removing unresponding volumes */
7440 if (ioc->ir_firmware) {
7441 pr_info(MPT3SAS_FMT "removing unresponding devices: volumes\n",
7442 ioc->name);
7443 list_for_each_entry_safe(raid_device, raid_device_next,
7444 &ioc->raid_device_list, list) {
7445 if (!raid_device->responding)
7446 _scsih_sas_volume_delete(ioc,
7447 raid_device->handle);
7448 else
7449 raid_device->responding = 0;
7450 }
7451 }
7452
7453 /* removing unresponding expanders */
7454 pr_info(MPT3SAS_FMT "removing unresponding devices: expanders\n",
7455 ioc->name);
7456 spin_lock_irqsave(&ioc->sas_node_lock, flags);
7457 INIT_LIST_HEAD(&tmp_list);
7458 list_for_each_entry_safe(sas_expander, sas_expander_next,
7459 &ioc->sas_expander_list, list) {
7460 if (!sas_expander->responding)
7461 list_move_tail(&sas_expander->list, &tmp_list);
7462 else
7463 sas_expander->responding = 0;
7464 }
7465 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
7466 list_for_each_entry_safe(sas_expander, sas_expander_next, &tmp_list,
7467 list) {
7468 list_del(&sas_expander->list);
7469 _scsih_expander_node_remove(ioc, sas_expander);
7470 }
7471
7472 pr_info(MPT3SAS_FMT "removing unresponding devices: complete\n",
7473 ioc->name);
7474
7475 /* unblock devices */
7476 _scsih_ublock_io_all_device(ioc);
7477}
7478
7479static void
7480_scsih_refresh_expander_links(struct MPT3SAS_ADAPTER *ioc,
7481 struct _sas_node *sas_expander, u16 handle)
7482{
7483 Mpi2ExpanderPage1_t expander_pg1;
7484 Mpi2ConfigReply_t mpi_reply;
7485 int i;
7486
7487 for (i = 0 ; i < sas_expander->num_phys ; i++) {
7488 if ((mpt3sas_config_get_expander_pg1(ioc, &mpi_reply,
7489 &expander_pg1, i, handle))) {
7490 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
7491 ioc->name, __FILE__, __LINE__, __func__);
7492 return;
7493 }
7494
7495 mpt3sas_transport_update_links(ioc, sas_expander->sas_address,
7496 le16_to_cpu(expander_pg1.AttachedDevHandle), i,
7497 expander_pg1.NegotiatedLinkRate >> 4);
7498 }
7499}
7500
7501/**
7502 * _scsih_scan_for_devices_after_reset - scan for devices after host reset
7503 * @ioc: per adapter object
7504 *
7505 * Return nothing.
7506 */
7507static void
7508_scsih_scan_for_devices_after_reset(struct MPT3SAS_ADAPTER *ioc)
7509{
7510 Mpi2ExpanderPage0_t expander_pg0;
7511 Mpi2SasDevicePage0_t sas_device_pg0;
7512 Mpi2RaidVolPage1_t volume_pg1;
7513 Mpi2RaidVolPage0_t volume_pg0;
7514 Mpi2RaidPhysDiskPage0_t pd_pg0;
7515 Mpi2EventIrConfigElement_t element;
7516 Mpi2ConfigReply_t mpi_reply;
7517 u8 phys_disk_num;
7518 u16 ioc_status;
7519 u16 handle, parent_handle;
7520 u64 sas_address;
7521 struct _sas_device *sas_device;
7522 struct _sas_node *expander_device;
7523 static struct _raid_device *raid_device;
7524 u8 retry_count;
7525 unsigned long flags;
7526
7527 pr_info(MPT3SAS_FMT "scan devices: start\n", ioc->name);
7528
7529 _scsih_sas_host_refresh(ioc);
7530
7531 pr_info(MPT3SAS_FMT "\tscan devices: expanders start\n", ioc->name);
7532
7533 /* expanders */
7534 handle = 0xFFFF;
7535 while (!(mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
7536 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) {
7537 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7538 MPI2_IOCSTATUS_MASK;
f92363d1
SR		 7539 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7540 pr_info(MPT3SAS_FMT "\tbreak from expander scan: " \
7541 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7542 ioc->name, ioc_status,
7543 le32_to_cpu(mpi_reply.IOCLogInfo));
7544 break;
7545 }
7546 handle = le16_to_cpu(expander_pg0.DevHandle);
7547 spin_lock_irqsave(&ioc->sas_node_lock, flags);
7548 expander_device = mpt3sas_scsih_expander_find_by_sas_address(
7549 ioc, le64_to_cpu(expander_pg0.SASAddress));
7550 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
7551 if (expander_device)
7552 _scsih_refresh_expander_links(ioc, expander_device,
7553 handle);
7554 else {
7555 pr_info(MPT3SAS_FMT "\tBEFORE adding expander: " \
7556 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name,
7557 handle, (unsigned long long)
7558 le64_to_cpu(expander_pg0.SASAddress));
7559 _scsih_expander_add(ioc, handle);
7560 pr_info(MPT3SAS_FMT "\tAFTER adding expander: " \
7561 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name,
7562 handle, (unsigned long long)
7563 le64_to_cpu(expander_pg0.SASAddress));
7564 }
7565 }
7566
7567 pr_info(MPT3SAS_FMT "\tscan devices: expanders complete\n",
7568 ioc->name);
7569
7570 if (!ioc->ir_firmware)
7571 goto skip_to_sas;
7572
7573 pr_info(MPT3SAS_FMT "\tscan devices: phys disk start\n", ioc->name);
7574
7575 /* phys disk */
7576 phys_disk_num = 0xFF;
7577 while (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
7578 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM,
7579 phys_disk_num))) {
7580 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7581 MPI2_IOCSTATUS_MASK;
f92363d1
SR		 7582 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7583 pr_info(MPT3SAS_FMT "\tbreak from phys disk scan: "\
7584 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7585 ioc->name, ioc_status,
7586 le32_to_cpu(mpi_reply.IOCLogInfo));
7587 break;
7588 }
7589 phys_disk_num = pd_pg0.PhysDiskNum;
7590 handle = le16_to_cpu(pd_pg0.DevHandle);
d1cb5e49
SR		 7591 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
7592 if (sas_device) {
7593 sas_device_put(sas_device);
f92363d1 7594 continue;
d1cb5e49 7595 }
f92363d1
SR		 7596 if (mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
7597 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
7598 handle) != 0)
7599 continue;
7600 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7601 MPI2_IOCSTATUS_MASK;
7602 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7603 pr_info(MPT3SAS_FMT "\tbreak from phys disk scan " \
7604 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7605 ioc->name, ioc_status,
7606 le32_to_cpu(mpi_reply.IOCLogInfo));
7607 break;
7608 }
7609 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
7610 if (!_scsih_get_sas_address(ioc, parent_handle,
7611 &sas_address)) {
7612 pr_info(MPT3SAS_FMT "\tBEFORE adding phys disk: " \
7613 " handle (0x%04x), sas_addr(0x%016llx)\n",
7614 ioc->name, handle, (unsigned long long)
7615 le64_to_cpu(sas_device_pg0.SASAddress));
7616 mpt3sas_transport_update_links(ioc, sas_address,
7617 handle, sas_device_pg0.PhyNum,
7618 MPI2_SAS_NEG_LINK_RATE_1_5);
7619 set_bit(handle, ioc->pd_handles);
7620 retry_count = 0;
7621 /* This will retry adding the end device.
7622 * _scsih_add_device() will decide on retries and
7623 * return "1" when it should be retried
7624 */
7625 while (_scsih_add_device(ioc, handle, retry_count++,
7626 1)) {
7627 ssleep(1);
7628 }
7629 pr_info(MPT3SAS_FMT "\tAFTER adding phys disk: " \
7630 " handle (0x%04x), sas_addr(0x%016llx)\n",
7631 ioc->name, handle, (unsigned long long)
7632 le64_to_cpu(sas_device_pg0.SASAddress));
7633 }
7634 }
7635
7636 pr_info(MPT3SAS_FMT "\tscan devices: phys disk complete\n",
7637 ioc->name);
7638
7639 pr_info(MPT3SAS_FMT "\tscan devices: volumes start\n", ioc->name);
7640
7641 /* volumes */
7642 handle = 0xFFFF;
7643 while (!(mpt3sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
7644 &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
7645 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7646 MPI2_IOCSTATUS_MASK;
f92363d1
SR		 7647 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7648 pr_info(MPT3SAS_FMT "\tbreak from volume scan: " \
7649 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7650 ioc->name, ioc_status,
7651 le32_to_cpu(mpi_reply.IOCLogInfo));
7652 break;
7653 }
7654 handle = le16_to_cpu(volume_pg1.DevHandle);
7655 spin_lock_irqsave(&ioc->raid_device_lock, flags);
7656 raid_device = _scsih_raid_device_find_by_wwid(ioc,
7657 le64_to_cpu(volume_pg1.WWID));
7658 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7659 if (raid_device)
7660 continue;
7661 if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply,
7662 &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
7663 sizeof(Mpi2RaidVolPage0_t)))
7664 continue;
7665 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7666 MPI2_IOCSTATUS_MASK;
7667 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7668 pr_info(MPT3SAS_FMT "\tbreak from volume scan: " \
7669 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7670 ioc->name, ioc_status,
7671 le32_to_cpu(mpi_reply.IOCLogInfo));
7672 break;
7673 }
7674 if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL ||
7675 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE ||
7676 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED) {
7677 memset(&element, 0, sizeof(Mpi2EventIrConfigElement_t));
7678 element.ReasonCode = MPI2_EVENT_IR_CHANGE_RC_ADDED;
7679 element.VolDevHandle = volume_pg1.DevHandle;
7680 pr_info(MPT3SAS_FMT
7681 "\tBEFORE adding volume: handle (0x%04x)\n",
7682 ioc->name, volume_pg1.DevHandle);
7683 _scsih_sas_volume_add(ioc, &element);
7684 pr_info(MPT3SAS_FMT
7685 "\tAFTER adding volume: handle (0x%04x)\n",
7686 ioc->name, volume_pg1.DevHandle);
7687 }
7688 }
7689
7690 pr_info(MPT3SAS_FMT "\tscan devices: volumes complete\n",
7691 ioc->name);
7692
7693 skip_to_sas:
7694
7695 pr_info(MPT3SAS_FMT "\tscan devices: end devices start\n",
7696 ioc->name);
7697
7698 /* sas devices */
7699 handle = 0xFFFF;
7700 while (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
7701 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
7702 handle))) {
7703 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7704 MPI2_IOCSTATUS_MASK;
f92363d1
SR		 7705 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7706 pr_info(MPT3SAS_FMT "\tbreak from end device scan:"\
7707 " ioc_status(0x%04x), loginfo(0x%08x)\n",
7708 ioc->name, ioc_status,
7709 le32_to_cpu(mpi_reply.IOCLogInfo));
7710 break;
7711 }
7712 handle = le16_to_cpu(sas_device_pg0.DevHandle);
7713 if (!(_scsih_is_end_device(
7714 le32_to_cpu(sas_device_pg0.DeviceInfo))))
7715 continue;
d1cb5e49 7716 sas_device = mpt3sas_get_sdev_by_addr(ioc,
f92363d1 7717 le64_to_cpu(sas_device_pg0.SASAddress));
d1cb5e49
SR		 7718 if (sas_device) {
7719 sas_device_put(sas_device);
f92363d1 7720 continue;
d1cb5e49 7721 }
f92363d1
SR		 7722 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
7723 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) {
7724 pr_info(MPT3SAS_FMT "\tBEFORE adding end device: " \
7725 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name,
7726 handle, (unsigned long long)
7727 le64_to_cpu(sas_device_pg0.SASAddress));
7728 mpt3sas_transport_update_links(ioc, sas_address, handle,
7729 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
7730 retry_count = 0;
7731 /* This will retry adding the end device.
7732 * _scsih_add_device() will decide on retries and
7733 * return "1" when it should be retried
7734 */
7735 while (_scsih_add_device(ioc, handle, retry_count++,
7736 0)) {
7737 ssleep(1);
7738 }
7739 pr_info(MPT3SAS_FMT "\tAFTER adding end device: " \
7740 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name,
7741 handle, (unsigned long long)
7742 le64_to_cpu(sas_device_pg0.SASAddress));
7743 }
7744 }
7745 pr_info(MPT3SAS_FMT "\tscan devices: end devices complete\n",
7746 ioc->name);
7747
7748 pr_info(MPT3SAS_FMT "scan devices: complete\n", ioc->name);
7749}
7750/**
7751 * mpt3sas_scsih_reset_handler - reset callback handler (for scsih)
7752 * @ioc: per adapter object
7753 * @reset_phase: phase
7754 *
7755 * The handler for doing any required cleanup or initialization.
7756 *
7757 * The reset phase can be MPT3_IOC_PRE_RESET, MPT3_IOC_AFTER_RESET,
7758 * MPT3_IOC_DONE_RESET
7759 *
7760 * Return nothing.
7761 */
7762void
7763mpt3sas_scsih_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase)
7764{
7765 switch (reset_phase) {
7766 case MPT3_IOC_PRE_RESET:
7767 dtmprintk(ioc, pr_info(MPT3SAS_FMT
7768 "%s: MPT3_IOC_PRE_RESET\n", ioc->name, __func__));
7769 break;
7770 case MPT3_IOC_AFTER_RESET:
7771 dtmprintk(ioc, pr_info(MPT3SAS_FMT
7772 "%s: MPT3_IOC_AFTER_RESET\n", ioc->name, __func__));
7773 if (ioc->scsih_cmds.status & MPT3_CMD_PENDING) {
7774 ioc->scsih_cmds.status |= MPT3_CMD_RESET;
7775 mpt3sas_base_free_smid(ioc, ioc->scsih_cmds.smid);
7776 complete(&ioc->scsih_cmds.done);
7777 }
7778 if (ioc->tm_cmds.status & MPT3_CMD_PENDING) {
7779 ioc->tm_cmds.status |= MPT3_CMD_RESET;
7780 mpt3sas_base_free_smid(ioc, ioc->tm_cmds.smid);
7781 complete(&ioc->tm_cmds.done);
7782 }
7783
c696f7b8
SPS		 7784 memset(ioc->pend_os_device_add, 0, ioc->pend_os_device_add_sz);
7785 memset(ioc->device_remove_in_progress, 0,
7786 ioc->device_remove_in_progress_sz);
f92363d1
SR		 7787 _scsih_fw_event_cleanup_queue(ioc);
7788 _scsih_flush_running_cmds(ioc);
7789 break;
7790 case MPT3_IOC_DONE_RESET:
7791 dtmprintk(ioc, pr_info(MPT3SAS_FMT
7792 "%s: MPT3_IOC_DONE_RESET\n", ioc->name, __func__));
7793 if ((!ioc->is_driver_loading) && !(disable_discovery > 0 &&
7794 !ioc->sas_hba.num_phys)) {
7795 _scsih_prep_device_scan(ioc);
7796 _scsih_search_responding_sas_devices(ioc);
7797 _scsih_search_responding_raid_devices(ioc);
7798 _scsih_search_responding_expanders(ioc);
7799 _scsih_error_recovery_delete_devices(ioc);
7800 }
7801 break;
7802 }
7803}
7804
7805/**
7806 * _mpt3sas_fw_work - delayed task for processing firmware events
7807 * @ioc: per adapter object
7808 * @fw_event: The fw_event_work object
7809 * Context: user.
7810 *
7811 * Return nothing.
7812 */
7813static void
7814_mpt3sas_fw_work(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
7815{
146b16c8
SR		 7816 _scsih_fw_event_del_from_list(ioc, fw_event);
7817
f92363d1 7818 /* the queue is being flushed so ignore this event */
146b16c8
SR		 7819 if (ioc->remove_host || ioc->pci_error_recovery) {
7820 fw_event_work_put(fw_event);
f92363d1
SR		 7821 return;
7822 }
7823
7824 switch (fw_event->event) {
7825 case MPT3SAS_PROCESS_TRIGGER_DIAG:
35b62362
JL		 7826 mpt3sas_process_trigger_data(ioc,
7827 (struct SL_WH_TRIGGERS_EVENT_DATA_T *)
7828 fw_event->event_data);
f92363d1
SR		 7829 break;
7830 case MPT3SAS_REMOVE_UNRESPONDING_DEVICES:
146b16c8
SR		 7831 while (scsi_host_in_recovery(ioc->shost) ||
7832 ioc->shost_recovery) {
7833 /*
7834 * If we're unloading, bail. Otherwise, this can become
7835 * an infinite loop.
7836 */
7837 if (ioc->remove_host)
7838 goto out;
f92363d1 7839 ssleep(1);
146b16c8 7840 }
f92363d1
SR		 7841 _scsih_remove_unresponding_sas_devices(ioc);
7842 _scsih_scan_for_devices_after_reset(ioc);
7843 break;
7844 case MPT3SAS_PORT_ENABLE_COMPLETE:
7845 ioc->start_scan = 0;
7846 if (missing_delay[0] != -1 && missing_delay[1] != -1)
7847 mpt3sas_base_update_missing_delay(ioc, missing_delay[0],
7848 missing_delay[1]);
7849 dewtprintk(ioc, pr_info(MPT3SAS_FMT
7850 "port enable: complete from worker thread\n",
7851 ioc->name));
7852 break;
0f624c39
SR		 7853 case MPT3SAS_TURN_ON_PFA_LED:
7854 _scsih_turn_on_pfa_led(ioc, fw_event->device_handle);
f92363d1
SR		 7855 break;
7856 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
7857 _scsih_sas_topology_change_event(ioc, fw_event);
7858 break;
7859 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
7860 _scsih_sas_device_status_change_event(ioc, fw_event);
7861 break;
7862 case MPI2_EVENT_SAS_DISCOVERY:
7863 _scsih_sas_discovery_event(ioc, fw_event);
7864 break;
7865 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
7866 _scsih_sas_broadcast_primitive_event(ioc, fw_event);
7867 break;
7868 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
7869 _scsih_sas_enclosure_dev_status_change_event(ioc,
7870 fw_event);
7871 break;
7872 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
7873 _scsih_sas_ir_config_change_event(ioc, fw_event);
7874 break;
7875 case MPI2_EVENT_IR_VOLUME:
7876 _scsih_sas_ir_volume_event(ioc, fw_event);
7877 break;
7878 case MPI2_EVENT_IR_PHYSICAL_DISK:
7879 _scsih_sas_ir_physical_disk_event(ioc, fw_event);
7880 break;
7881 case MPI2_EVENT_IR_OPERATION_STATUS:
7882 _scsih_sas_ir_operation_status_event(ioc, fw_event);
7883 break;
7884 }
146b16c8
SR		 7885out:
7886 fw_event_work_put(fw_event);
f92363d1
SR		 7887}
7888
7889/**
7890 * _firmware_event_work
7891 * @ioc: per adapter object
7892 * @work: The fw_event_work object
7893 * Context: user.
7894 *
7895 * wrappers for the work thread handling firmware events
7896 *
7897 * Return nothing.
7898 */
7899
7900static void
7901_firmware_event_work(struct work_struct *work)
7902{
7903 struct fw_event_work *fw_event = container_of(work,
7904 struct fw_event_work, work);
7905
7906 _mpt3sas_fw_work(fw_event->ioc, fw_event);
7907}
7908
7909/**
7910 * mpt3sas_scsih_event_callback - firmware event handler (called at ISR time)
7911 * @ioc: per adapter object
7912 * @msix_index: MSIX table index supplied by the OS
7913 * @reply: reply message frame(lower 32bit addr)
7914 * Context: interrupt.
7915 *
7916 * This function merely adds a new work task into ioc->firmware_event_thread.
7917 * The tasks are worked from _firmware_event_work in user context.
7918 *
7919 * Return 1 meaning mf should be freed from _base_interrupt
7920 * 0 means the mf is freed from this function.
7921 */
7922u8
7923mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index,
7924 u32 reply)
7925{
7926 struct fw_event_work *fw_event;
7927 Mpi2EventNotificationReply_t *mpi_reply;
7928 u16 event;
7929 u16 sz;
a470a51c 7930 Mpi26EventDataActiveCableExcept_t *ActiveCableEventData;
f92363d1
SR		 7931
7932 /* events turned off due to host reset or driver unloading */
7933 if (ioc->remove_host || ioc->pci_error_recovery)
7934 return 1;
7935
7936 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
7937
7938 if (unlikely(!mpi_reply)) {
7939 pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n",
7940 ioc->name, __FILE__, __LINE__, __func__);
7941 return 1;
7942 }
7943
7944 event = le16_to_cpu(mpi_reply->Event);
7945
7946 if (event != MPI2_EVENT_LOG_ENTRY_ADDED)
7947 mpt3sas_trigger_event(ioc, event, 0);
7948
7949 switch (event) {
7950 /* handle these */
7951 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
7952 {
7953 Mpi2EventDataSasBroadcastPrimitive_t *baen_data =
7954 (Mpi2EventDataSasBroadcastPrimitive_t *)
7955 mpi_reply->EventData;
7956
7957 if (baen_data->Primitive !=
7958 MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT)
7959 return 1;
7960
7961 if (ioc->broadcast_aen_busy) {
7962 ioc->broadcast_aen_pending++;
7963 return 1;
7964 } else
7965 ioc->broadcast_aen_busy = 1;
7966 break;
7967 }
7968
7969 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
7970 _scsih_check_topo_delete_events(ioc,
7971 (Mpi2EventDataSasTopologyChangeList_t *)
7972 mpi_reply->EventData);
7973 break;
7974 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
7975 _scsih_check_ir_config_unhide_events(ioc,
7976 (Mpi2EventDataIrConfigChangeList_t *)
7977 mpi_reply->EventData);
7978 break;
7979 case MPI2_EVENT_IR_VOLUME:
7980 _scsih_check_volume_delete_events(ioc,
7981 (Mpi2EventDataIrVolume_t *)
7982 mpi_reply->EventData);
7983 break;
7786ab6a
SR		 7984 case MPI2_EVENT_LOG_ENTRY_ADDED:
7985 {
7986 Mpi2EventDataLogEntryAdded_t *log_entry;
7987 u32 *log_code;
7988
7989 if (!ioc->is_warpdrive)
7990 break;
7991
7992 log_entry = (Mpi2EventDataLogEntryAdded_t *)
7993 mpi_reply->EventData;
7994 log_code = (u32 *)log_entry->LogData;
f92363d1 7995
7786ab6a
SR		 7996 if (le16_to_cpu(log_entry->LogEntryQualifier)
7997 != MPT2_WARPDRIVE_LOGENTRY)
7998 break;
7999
8000 switch (le32_to_cpu(*log_code)) {
8001 case MPT2_WARPDRIVE_LC_SSDT:
8002 pr_warn(MPT3SAS_FMT "WarpDrive Warning: "
8003 "IO Throttling has occurred in the WarpDrive "
8004 "subsystem. Check WarpDrive documentation for "
8005 "additional details.\n", ioc->name);
8006 break;
8007 case MPT2_WARPDRIVE_LC_SSDLW:
8008 pr_warn(MPT3SAS_FMT "WarpDrive Warning: "
8009 "Program/Erase Cycles for the WarpDrive subsystem "
8010 "in degraded range. Check WarpDrive documentation "
8011 "for additional details.\n", ioc->name);
8012 break;
8013 case MPT2_WARPDRIVE_LC_SSDLF:
8014 pr_err(MPT3SAS_FMT "WarpDrive Fatal Error: "
8015 "There are no Program/Erase Cycles for the "
8016 "WarpDrive subsystem. The storage device will be "
8017 "in read-only mode. Check WarpDrive documentation "
8018 "for additional details.\n", ioc->name);
8019 break;
8020 case MPT2_WARPDRIVE_LC_BRMF:
8021 pr_err(MPT3SAS_FMT "WarpDrive Fatal Error: "
8022 "The Backup Rail Monitor has failed on the "
8023 "WarpDrive subsystem. Check WarpDrive "
8024 "documentation for additional details.\n",
8025 ioc->name);
8026 break;
8027 }
8028
8029 break;
8030 }
f92363d1
SR		 8031 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
8032 case MPI2_EVENT_IR_OPERATION_STATUS:
8033 case MPI2_EVENT_SAS_DISCOVERY:
8034 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
8035 case MPI2_EVENT_IR_PHYSICAL_DISK:
8036 break;
8037
2d8ce8c9
SR		 8038 case MPI2_EVENT_TEMP_THRESHOLD:
8039 _scsih_temp_threshold_events(ioc,
8040 (Mpi2EventDataTemperature_t *)
8041 mpi_reply->EventData);
8042 break;
a470a51c
C		 8043 case MPI2_EVENT_ACTIVE_CABLE_EXCEPTION:
8044 ActiveCableEventData =
8045 (Mpi26EventDataActiveCableExcept_t *) mpi_reply->EventData;
8046 if (ActiveCableEventData->ReasonCode ==
7ebd67e0 8047 MPI26_EVENT_ACTIVE_CABLE_INSUFFICIENT_POWER) {
a470a51c
C		 8048 pr_info(MPT3SAS_FMT "Currently an active cable with ReceptacleID %d",
8049 ioc->name, ActiveCableEventData->ReceptacleID);
8050 pr_info("cannot be powered and devices connected to this active cable");
8051 pr_info("will not be seen. This active cable");
8052 pr_info("requires %d mW of power",
8053 ActiveCableEventData->ActiveCablePowerRequirement);
7ebd67e0 8054 }
a470a51c 8055 break;
2d8ce8c9 8056
f92363d1
SR		 8057 default: /* ignore the rest */
8058 return 1;
8059 }
8060
f92363d1 8061 sz = le16_to_cpu(mpi_reply->EventDataLength) * 4;
146b16c8 8062 fw_event = alloc_fw_event_work(sz);
35b62362 8063 if (!fw_event) {
f92363d1
SR		 8064 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
8065 ioc->name, __FILE__, __LINE__, __func__);
f92363d1
SR		 8066 return 1;
8067 }
8068
8069 memcpy(fw_event->event_data, mpi_reply->EventData, sz);
8070 fw_event->ioc = ioc;
8071 fw_event->VF_ID = mpi_reply->VF_ID;
8072 fw_event->VP_ID = mpi_reply->VP_ID;
8073 fw_event->event = event;
8074 _scsih_fw_event_add(ioc, fw_event);
146b16c8 8075 fw_event_work_put(fw_event);
f92363d1
SR		 8076 return 1;
8077}
8078
f92363d1
SR		 8079/**
8080 * _scsih_expander_node_remove - removing expander device from list.
8081 * @ioc: per adapter object
8082 * @sas_expander: the sas_device object
8083 * Context: Calling function should acquire ioc->sas_node_lock.
8084 *
8085 * Removing object and freeing associated memory from the
8086 * ioc->sas_expander_list.
8087 *
8088 * Return nothing.
8089 */
8090static void
8091_scsih_expander_node_remove(struct MPT3SAS_ADAPTER *ioc,
8092 struct _sas_node *sas_expander)
8093{
8094 struct _sas_port *mpt3sas_port, *next;
8095
8096 /* remove sibling ports attached to this expander */
8097 list_for_each_entry_safe(mpt3sas_port, next,
8098 &sas_expander->sas_port_list, port_list) {
8099 if (ioc->shost_recovery)
8100 return;
8101 if (mpt3sas_port->remote_identify.device_type ==
8102 SAS_END_DEVICE)
8103 mpt3sas_device_remove_by_sas_address(ioc,
8104 mpt3sas_port->remote_identify.sas_address);
8105 else if (mpt3sas_port->remote_identify.device_type ==
8106 SAS_EDGE_EXPANDER_DEVICE ||
8107 mpt3sas_port->remote_identify.device_type ==
8108 SAS_FANOUT_EXPANDER_DEVICE)
8109 mpt3sas_expander_remove(ioc,
8110 mpt3sas_port->remote_identify.sas_address);
8111 }
8112
8113 mpt3sas_transport_port_remove(ioc, sas_expander->sas_address,
8114 sas_expander->sas_address_parent);
8115
8116 pr_info(MPT3SAS_FMT
8117 "expander_remove: handle(0x%04x), sas_addr(0x%016llx)\n",
8118 ioc->name,
8119 sas_expander->handle, (unsigned long long)
8120 sas_expander->sas_address);
8121
8122 kfree(sas_expander->phy);
8123 kfree(sas_expander);
8124}
8125
8126/**
8127 * _scsih_ir_shutdown - IR shutdown notification
8128 * @ioc: per adapter object
8129 *
8130 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
8131 * the host system is shutting down.
8132 *
8133 * Return nothing.
8134 */
8135static void
8136_scsih_ir_shutdown(struct MPT3SAS_ADAPTER *ioc)
8137{
8138 Mpi2RaidActionRequest_t *mpi_request;
8139 Mpi2RaidActionReply_t *mpi_reply;
8140 u16 smid;
8141
8142 /* is IR firmware build loaded ? */
8143 if (!ioc->ir_firmware)
8144 return;
8145
8146 /* are there any volumes ? */
8147 if (list_empty(&ioc->raid_device_list))
8148 return;
8149
8150 mutex_lock(&ioc->scsih_cmds.mutex);
8151
8152 if (ioc->scsih_cmds.status != MPT3_CMD_NOT_USED) {
8153 pr_err(MPT3SAS_FMT "%s: scsih_cmd in use\n",
8154 ioc->name, __func__);
8155 goto out;
8156 }
8157 ioc->scsih_cmds.status = MPT3_CMD_PENDING;
8158
8159 smid = mpt3sas_base_get_smid(ioc, ioc->scsih_cb_idx);
8160 if (!smid) {
8161 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
8162 ioc->name, __func__);
8163 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
8164 goto out;
8165 }
8166
8167 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
8168 ioc->scsih_cmds.smid = smid;
8169 memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t));
8170
8171 mpi_request->Function = MPI2_FUNCTION_RAID_ACTION;
8172 mpi_request->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
8173
7786ab6a
SR		 8174 if (!ioc->hide_ir_msg)
8175 pr_info(MPT3SAS_FMT "IR shutdown (sending)\n", ioc->name);
f92363d1 8176 init_completion(&ioc->scsih_cmds.done);
81c16f83 8177 ioc->put_smid_default(ioc, smid);
f92363d1
SR		 8178 wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ);
8179
8180 if (!(ioc->scsih_cmds.status & MPT3_CMD_COMPLETE)) {
8181 pr_err(MPT3SAS_FMT "%s: timeout\n",
8182 ioc->name, __func__);
8183 goto out;
8184 }
8185
8186 if (ioc->scsih_cmds.status & MPT3_CMD_REPLY_VALID) {
8187 mpi_reply = ioc->scsih_cmds.reply;
7786ab6a
SR		 8188 if (!ioc->hide_ir_msg)
8189 pr_info(MPT3SAS_FMT "IR shutdown "
8190 "(complete): ioc_status(0x%04x), loginfo(0x%08x)\n",
8191 ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
8192 le32_to_cpu(mpi_reply->IOCLogInfo));
f92363d1
SR		 8193 }
8194
8195 out:
8196 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
8197 mutex_unlock(&ioc->scsih_cmds.mutex);
8198}
8199
8200/**
8a7e4c24 8201 * scsih_remove - detach and remove add host
f92363d1
SR		 8202 * @pdev: PCI device struct
8203 *
8204 * Routine called when unloading the driver.
8205 * Return nothing.
8206 */
8bbb1cf6 8207static void scsih_remove(struct pci_dev *pdev)
f92363d1
SR		 8208{
8209 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8210 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8211 struct _sas_port *mpt3sas_port, *next_port;
8212 struct _raid_device *raid_device, *next;
8213 struct MPT3SAS_TARGET *sas_target_priv_data;
8214 struct workqueue_struct *wq;
8215 unsigned long flags;
8216
8217 ioc->remove_host = 1;
8218 _scsih_fw_event_cleanup_queue(ioc);
8219
8220 spin_lock_irqsave(&ioc->fw_event_lock, flags);
8221 wq = ioc->firmware_event_thread;
8222 ioc->firmware_event_thread = NULL;
8223 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
8224 if (wq)
8225 destroy_workqueue(wq);
8226
8227 /* release all the volumes */
8228 _scsih_ir_shutdown(ioc);
8229 list_for_each_entry_safe(raid_device, next, &ioc->raid_device_list,
8230 list) {
8231 if (raid_device->starget) {
8232 sas_target_priv_data =
8233 raid_device->starget->hostdata;
8234 sas_target_priv_data->deleted = 1;
8235 scsi_remove_target(&raid_device->starget->dev);
8236 }
8237 pr_info(MPT3SAS_FMT "removing handle(0x%04x), wwid(0x%016llx)\n",
8238 ioc->name, raid_device->handle,
8239 (unsigned long long) raid_device->wwid);
8240 _scsih_raid_device_remove(ioc, raid_device);
8241 }
8242
8243 /* free ports attached to the sas_host */
8244 list_for_each_entry_safe(mpt3sas_port, next_port,
8245 &ioc->sas_hba.sas_port_list, port_list) {
8246 if (mpt3sas_port->remote_identify.device_type ==
8247 SAS_END_DEVICE)
8248 mpt3sas_device_remove_by_sas_address(ioc,
8249 mpt3sas_port->remote_identify.sas_address);
8250 else if (mpt3sas_port->remote_identify.device_type ==
8251 SAS_EDGE_EXPANDER_DEVICE ||
8252 mpt3sas_port->remote_identify.device_type ==
8253 SAS_FANOUT_EXPANDER_DEVICE)
8254 mpt3sas_expander_remove(ioc,
8255 mpt3sas_port->remote_identify.sas_address);
8256 }
8257
8258 /* free phys attached to the sas_host */
8259 if (ioc->sas_hba.num_phys) {
8260 kfree(ioc->sas_hba.phy);
8261 ioc->sas_hba.phy = NULL;
8262 ioc->sas_hba.num_phys = 0;
8263 }
8264
8265 sas_remove_host(shost);
4dc06fd8 8266 scsi_remove_host(shost);
f92363d1 8267 mpt3sas_base_detach(ioc);
08c4d550 8268 spin_lock(&gioc_lock);
f92363d1 8269 list_del(&ioc->list);
08c4d550 8270 spin_unlock(&gioc_lock);
f92363d1
SR		 8271 scsi_host_put(shost);
8272}
8273
8274/**
8a7e4c24 8275 * scsih_shutdown - routine call during system shutdown
f92363d1
SR		 8276 * @pdev: PCI device struct
8277 *
8278 * Return nothing.
8279 */
8bbb1cf6 8280static void
8a7e4c24 8281scsih_shutdown(struct pci_dev *pdev)
f92363d1
SR		 8282{
8283 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8284 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8285 struct workqueue_struct *wq;
8286 unsigned long flags;
8287
8288 ioc->remove_host = 1;
8289 _scsih_fw_event_cleanup_queue(ioc);
8290
8291 spin_lock_irqsave(&ioc->fw_event_lock, flags);
8292 wq = ioc->firmware_event_thread;
8293 ioc->firmware_event_thread = NULL;
8294 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
8295 if (wq)
8296 destroy_workqueue(wq);
8297
8298 _scsih_ir_shutdown(ioc);
8299 mpt3sas_base_detach(ioc);
8300}
8301
8302
8303/**
8304 * _scsih_probe_boot_devices - reports 1st device
8305 * @ioc: per adapter object
8306 *
8307 * If specified in bios page 2, this routine reports the 1st
8308 * device scsi-ml or sas transport for persistent boot device
8309 * purposes. Please refer to function _scsih_determine_boot_device()
8310 */
8311static void
8312_scsih_probe_boot_devices(struct MPT3SAS_ADAPTER *ioc)
8313{
8314 u8 is_raid;
8315 void *device;
8316 struct _sas_device *sas_device;
8317 struct _raid_device *raid_device;
8318 u16 handle;
8319 u64 sas_address_parent;
8320 u64 sas_address;
8321 unsigned long flags;
8322 int rc;
8323
8324 /* no Bios, return immediately */
8325 if (!ioc->bios_pg3.BiosVersion)
8326 return;
8327
8328 device = NULL;
8329 is_raid = 0;
8330 if (ioc->req_boot_device.device) {
8331 device = ioc->req_boot_device.device;
8332 is_raid = ioc->req_boot_device.is_raid;
8333 } else if (ioc->req_alt_boot_device.device) {
8334 device = ioc->req_alt_boot_device.device;
8335 is_raid = ioc->req_alt_boot_device.is_raid;
8336 } else if (ioc->current_boot_device.device) {
8337 device = ioc->current_boot_device.device;
8338 is_raid = ioc->current_boot_device.is_raid;
8339 }
8340
8341 if (!device)
8342 return;
8343
8344 if (is_raid) {
8345 raid_device = device;
8346 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
8347 raid_device->id, 0);
8348 if (rc)
8349 _scsih_raid_device_remove(ioc, raid_device);
8350 } else {
8351 spin_lock_irqsave(&ioc->sas_device_lock, flags);
8352 sas_device = device;
8353 handle = sas_device->handle;
8354 sas_address_parent = sas_device->sas_address_parent;
8355 sas_address = sas_device->sas_address;
8356 list_move_tail(&sas_device->list, &ioc->sas_device_list);
8357 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
8358
7786ab6a
SR		 8359 if (ioc->hide_drives)
8360 return;
f92363d1
SR		 8361 if (!mpt3sas_transport_port_add(ioc, handle,
8362 sas_address_parent)) {
8363 _scsih_sas_device_remove(ioc, sas_device);
8364 } else if (!sas_device->starget) {
f5edbe77
SR		 8365 if (!ioc->is_driver_loading) {
8366 mpt3sas_transport_port_remove(ioc,
8367 sas_address,
f92363d1 8368 sas_address_parent);
f5edbe77
SR		 8369 _scsih_sas_device_remove(ioc, sas_device);
8370 }
f92363d1
SR		 8371 }
8372 }
8373}
8374
8375/**
8376 * _scsih_probe_raid - reporting raid volumes to scsi-ml
8377 * @ioc: per adapter object
8378 *
8379 * Called during initial loading of the driver.
8380 */
8381static void
8382_scsih_probe_raid(struct MPT3SAS_ADAPTER *ioc)
8383{
8384 struct _raid_device *raid_device, *raid_next;
8385 int rc;
8386
8387 list_for_each_entry_safe(raid_device, raid_next,
8388 &ioc->raid_device_list, list) {
8389 if (raid_device->starget)
8390 continue;
8391 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
8392 raid_device->id, 0);
8393 if (rc)
8394 _scsih_raid_device_remove(ioc, raid_device);
8395 }
8396}
8397
d1cb5e49
SR		 8398static struct _sas_device *get_next_sas_device(struct MPT3SAS_ADAPTER *ioc)
8399{
8400 struct _sas_device *sas_device = NULL;
8401 unsigned long flags;
8402
8403 spin_lock_irqsave(&ioc->sas_device_lock, flags);
8404 if (!list_empty(&ioc->sas_device_init_list)) {
8405 sas_device = list_first_entry(&ioc->sas_device_init_list,
8406 struct _sas_device, list);
8407 sas_device_get(sas_device);
8408 }
8409 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
8410
8411 return sas_device;
8412}
8413
8414static void sas_device_make_active(struct MPT3SAS_ADAPTER *ioc,
8415 struct _sas_device *sas_device)
8416{
8417 unsigned long flags;
8418
8419 spin_lock_irqsave(&ioc->sas_device_lock, flags);
8420
8421 /*
8422 * Since we dropped the lock during the call to port_add(), we need to
8423 * be careful here that somebody else didn't move or delete this item
8424 * while we were busy with other things.
8425 *
8426 * If it was on the list, we need a put() for the reference the list
8427 * had. Either way, we need a get() for the destination list.
8428 */
8429 if (!list_empty(&sas_device->list)) {
8430 list_del_init(&sas_device->list);
8431 sas_device_put(sas_device);
8432 }
8433
8434 sas_device_get(sas_device);
8435 list_add_tail(&sas_device->list, &ioc->sas_device_list);
8436
8437 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
8438}
8439
f92363d1
SR		 8440/**
8441 * _scsih_probe_sas - reporting sas devices to sas transport
8442 * @ioc: per adapter object
8443 *
8444 * Called during initial loading of the driver.
8445 */
8446static void
8447_scsih_probe_sas(struct MPT3SAS_ADAPTER *ioc)
8448{
d1cb5e49 8449 struct _sas_device *sas_device;
f92363d1 8450
d1cb5e49
SR		 8451 if (ioc->hide_drives)
8452 return;
7786ab6a 8453
d1cb5e49 8454 while ((sas_device = get_next_sas_device(ioc))) {
f92363d1
SR		 8455 if (!mpt3sas_transport_port_add(ioc, sas_device->handle,
8456 sas_device->sas_address_parent)) {
d1cb5e49
SR		 8457 _scsih_sas_device_remove(ioc, sas_device);
8458 sas_device_put(sas_device);
f92363d1
SR		 8459 continue;
8460 } else if (!sas_device->starget) {
8461 /*
8462 * When asyn scanning is enabled, its not possible to
8463 * remove devices while scanning is turned on due to an
8464 * oops in scsi_sysfs_add_sdev()->add_device()->
8465 * sysfs_addrm_start()
8466 */
f5edbe77 8467 if (!ioc->is_driver_loading) {
f92363d1
SR		 8468 mpt3sas_transport_port_remove(ioc,
8469 sas_device->sas_address,
8470 sas_device->sas_address_parent);
d1cb5e49
SR		 8471 _scsih_sas_device_remove(ioc, sas_device);
8472 sas_device_put(sas_device);
f5edbe77
SR		 8473 continue;
8474 }
f92363d1 8475 }
d1cb5e49
SR		 8476 sas_device_make_active(ioc, sas_device);
8477 sas_device_put(sas_device);
f92363d1
SR		 8478 }
8479}
8480
8481/**
8482 * _scsih_probe_devices - probing for devices
8483 * @ioc: per adapter object
8484 *
8485 * Called during initial loading of the driver.
8486 */
8487static void
8488_scsih_probe_devices(struct MPT3SAS_ADAPTER *ioc)
8489{
8490 u16 volume_mapping_flags;
8491
8492 if (!(ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR))
8493 return; /* return when IOC doesn't support initiator mode */
8494
8495 _scsih_probe_boot_devices(ioc);
8496
8497 if (ioc->ir_firmware) {
8498 volume_mapping_flags =
8499 le16_to_cpu(ioc->ioc_pg8.IRVolumeMappingFlags) &
8500 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
8501 if (volume_mapping_flags ==
8502 MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
8503 _scsih_probe_raid(ioc);
8504 _scsih_probe_sas(ioc);
8505 } else {
8506 _scsih_probe_sas(ioc);
8507 _scsih_probe_raid(ioc);
8508 }
8509 } else
8510 _scsih_probe_sas(ioc);
8511}
8512
8513/**
8a7e4c24 8514 * scsih_scan_start - scsi lld callback for .scan_start
f92363d1
SR		 8515 * @shost: SCSI host pointer
8516 *
8517 * The shost has the ability to discover targets on its own instead
8518 * of scanning the entire bus. In our implemention, we will kick off
8519 * firmware discovery.
8520 */
8bbb1cf6 8521static void
8a7e4c24 8522scsih_scan_start(struct Scsi_Host *shost)
f92363d1
SR		 8523{
8524 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8525 int rc;
8526 if (diag_buffer_enable != -1 && diag_buffer_enable != 0)
8527 mpt3sas_enable_diag_buffer(ioc, diag_buffer_enable);
8528
8529 if (disable_discovery > 0)
8530 return;
8531
8532 ioc->start_scan = 1;
8533 rc = mpt3sas_port_enable(ioc);
8534
8535 if (rc != 0)
8536 pr_info(MPT3SAS_FMT "port enable: FAILED\n", ioc->name);
8537}
8538
8539/**
8a7e4c24 8540 * scsih_scan_finished - scsi lld callback for .scan_finished
f92363d1
SR		 8541 * @shost: SCSI host pointer
8542 * @time: elapsed time of the scan in jiffies
8543 *
8544 * This function will be called periodicallyn until it returns 1 with the
8545 * scsi_host and the elapsed time of the scan in jiffies. In our implemention,
8546 * we wait for firmware discovery to complete, then return 1.
8547 */
8bbb1cf6 8548static int
8a7e4c24 8549scsih_scan_finished(struct Scsi_Host *shost, unsigned long time)
f92363d1
SR		 8550{
8551 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8552
8553 if (disable_discovery > 0) {
8554 ioc->is_driver_loading = 0;
8555 ioc->wait_for_discovery_to_complete = 0;
8556 return 1;
8557 }
8558
8559 if (time >= (300 * HZ)) {
8560 ioc->base_cmds.status = MPT3_CMD_NOT_USED;
8561 pr_info(MPT3SAS_FMT
8562 "port enable: FAILED with timeout (timeout=300s)\n",
8563 ioc->name);
8564 ioc->is_driver_loading = 0;
8565 return 1;
8566 }
8567
8568 if (ioc->start_scan)
8569 return 0;
8570
8571 if (ioc->start_scan_failed) {
8572 pr_info(MPT3SAS_FMT
8573 "port enable: FAILED with (ioc_status=0x%08x)\n",
8574 ioc->name, ioc->start_scan_failed);
8575 ioc->is_driver_loading = 0;
8576 ioc->wait_for_discovery_to_complete = 0;
8577 ioc->remove_host = 1;
8578 return 1;
8579 }
8580
8581 pr_info(MPT3SAS_FMT "port enable: SUCCESS\n", ioc->name);
8582 ioc->base_cmds.status = MPT3_CMD_NOT_USED;
8583
8584 if (ioc->wait_for_discovery_to_complete) {
8585 ioc->wait_for_discovery_to_complete = 0;
8586 _scsih_probe_devices(ioc);
8587 }
8588 mpt3sas_base_start_watchdog(ioc);
8589 ioc->is_driver_loading = 0;
8590 return 1;
8591}
8592
c84b06a4
SR		 8593/* shost template for SAS 2.0 HBA devices */
8594static struct scsi_host_template mpt2sas_driver_template = {
8595 .module = THIS_MODULE,
8596 .name = "Fusion MPT SAS Host",
8597 .proc_name = MPT2SAS_DRIVER_NAME,
8598 .queuecommand = scsih_qcmd,
8599 .target_alloc = scsih_target_alloc,
8600 .slave_alloc = scsih_slave_alloc,
8601 .slave_configure = scsih_slave_configure,
8602 .target_destroy = scsih_target_destroy,
8603 .slave_destroy = scsih_slave_destroy,
8604 .scan_finished = scsih_scan_finished,
8605 .scan_start = scsih_scan_start,
8606 .change_queue_depth = scsih_change_queue_depth,
8607 .eh_abort_handler = scsih_abort,
8608 .eh_device_reset_handler = scsih_dev_reset,
8609 .eh_target_reset_handler = scsih_target_reset,
8610 .eh_host_reset_handler = scsih_host_reset,
8611 .bios_param = scsih_bios_param,
8612 .can_queue = 1,
8613 .this_id = -1,
8614 .sg_tablesize = MPT2SAS_SG_DEPTH,
8615 .max_sectors = 32767,
8616 .cmd_per_lun = 7,
8617 .use_clustering = ENABLE_CLUSTERING,
8618 .shost_attrs = mpt3sas_host_attrs,
8619 .sdev_attrs = mpt3sas_dev_attrs,
8620 .track_queue_depth = 1,
8621};
8622
8623/* raid transport support for SAS 2.0 HBA devices */
8624static struct raid_function_template mpt2sas_raid_functions = {
8625 .cookie = &mpt2sas_driver_template,
8626 .is_raid = scsih_is_raid,
8627 .get_resync = scsih_get_resync,
8628 .get_state = scsih_get_state,
8629};
d357e84d 8630
c84b06a4
SR		 8631/* shost template for SAS 3.0 HBA devices */
8632static struct scsi_host_template mpt3sas_driver_template = {
8633 .module = THIS_MODULE,
8634 .name = "Fusion MPT SAS Host",
8635 .proc_name = MPT3SAS_DRIVER_NAME,
8636 .queuecommand = scsih_qcmd,
8637 .target_alloc = scsih_target_alloc,
8638 .slave_alloc = scsih_slave_alloc,
8639 .slave_configure = scsih_slave_configure,
8640 .target_destroy = scsih_target_destroy,
8641 .slave_destroy = scsih_slave_destroy,
8642 .scan_finished = scsih_scan_finished,
8643 .scan_start = scsih_scan_start,
8644 .change_queue_depth = scsih_change_queue_depth,
8645 .eh_abort_handler = scsih_abort,
8646 .eh_device_reset_handler = scsih_dev_reset,
8647 .eh_target_reset_handler = scsih_target_reset,
8648 .eh_host_reset_handler = scsih_host_reset,
8649 .bios_param = scsih_bios_param,
8650 .can_queue = 1,
8651 .this_id = -1,
8652 .sg_tablesize = MPT3SAS_SG_DEPTH,
8653 .max_sectors = 32767,
8654 .cmd_per_lun = 7,
8655 .use_clustering = ENABLE_CLUSTERING,
8656 .shost_attrs = mpt3sas_host_attrs,
8657 .sdev_attrs = mpt3sas_dev_attrs,
8658 .track_queue_depth = 1,
8659};
8660
8661/* raid transport support for SAS 3.0 HBA devices */
8662static struct raid_function_template mpt3sas_raid_functions = {
8663 .cookie = &mpt3sas_driver_template,
8664 .is_raid = scsih_is_raid,
8665 .get_resync = scsih_get_resync,
8666 .get_state = scsih_get_state,
8667};
8668
8669/**
8670 * _scsih_determine_hba_mpi_version - determine in which MPI version class
8671 * this device belongs to.
8672 * @pdev: PCI device struct
8673 *
8674 * return MPI2_VERSION for SAS 2.0 HBA devices,
b130b0d5
SS		 8675 * MPI25_VERSION for SAS 3.0 HBA devices, and
8676 * MPI26 VERSION for Cutlass & Invader SAS 3.0 HBA devices
c84b06a4 8677 */
8bbb1cf6 8678static u16
c84b06a4
SR		 8679_scsih_determine_hba_mpi_version(struct pci_dev *pdev)
8680{
8681
8682 switch (pdev->device) {
7786ab6a 8683 case MPI2_MFGPAGE_DEVID_SSS6200:
d357e84d
SR		 8684 case MPI2_MFGPAGE_DEVID_SAS2004:
8685 case MPI2_MFGPAGE_DEVID_SAS2008:
8686 case MPI2_MFGPAGE_DEVID_SAS2108_1:
8687 case MPI2_MFGPAGE_DEVID_SAS2108_2:
8688 case MPI2_MFGPAGE_DEVID_SAS2108_3:
8689 case MPI2_MFGPAGE_DEVID_SAS2116_1:
8690 case MPI2_MFGPAGE_DEVID_SAS2116_2:
8691 case MPI2_MFGPAGE_DEVID_SAS2208_1:
8692 case MPI2_MFGPAGE_DEVID_SAS2208_2:
8693 case MPI2_MFGPAGE_DEVID_SAS2208_3:
8694 case MPI2_MFGPAGE_DEVID_SAS2208_4:
8695 case MPI2_MFGPAGE_DEVID_SAS2208_5:
8696 case MPI2_MFGPAGE_DEVID_SAS2208_6:
8697 case MPI2_MFGPAGE_DEVID_SAS2308_1:
8698 case MPI2_MFGPAGE_DEVID_SAS2308_2:
8699 case MPI2_MFGPAGE_DEVID_SAS2308_3:
c84b06a4 8700 return MPI2_VERSION;
d357e84d
SR		 8701 case MPI25_MFGPAGE_DEVID_SAS3004:
8702 case MPI25_MFGPAGE_DEVID_SAS3008:
8703 case MPI25_MFGPAGE_DEVID_SAS3108_1:
8704 case MPI25_MFGPAGE_DEVID_SAS3108_2:
8705 case MPI25_MFGPAGE_DEVID_SAS3108_5:
8706 case MPI25_MFGPAGE_DEVID_SAS3108_6:
c84b06a4 8707 return MPI25_VERSION;
b130b0d5
SS		 8708 case MPI26_MFGPAGE_DEVID_SAS3216:
8709 case MPI26_MFGPAGE_DEVID_SAS3224:
8710 case MPI26_MFGPAGE_DEVID_SAS3316_1:
8711 case MPI26_MFGPAGE_DEVID_SAS3316_2:
8712 case MPI26_MFGPAGE_DEVID_SAS3316_3:
8713 case MPI26_MFGPAGE_DEVID_SAS3316_4:
8714 case MPI26_MFGPAGE_DEVID_SAS3324_1:
8715 case MPI26_MFGPAGE_DEVID_SAS3324_2:
8716 case MPI26_MFGPAGE_DEVID_SAS3324_3:
8717 case MPI26_MFGPAGE_DEVID_SAS3324_4:
998f26ae
SPS		 8718 case MPI26_MFGPAGE_DEVID_SAS3508:
8719 case MPI26_MFGPAGE_DEVID_SAS3508_1:
8720 case MPI26_MFGPAGE_DEVID_SAS3408:
8721 case MPI26_MFGPAGE_DEVID_SAS3516:
8722 case MPI26_MFGPAGE_DEVID_SAS3516_1:
8723 case MPI26_MFGPAGE_DEVID_SAS3416:
b130b0d5 8724 return MPI26_VERSION;
d357e84d 8725 }
c84b06a4 8726 return 0;
d357e84d
SR		 8727}
8728
f92363d1 8729/**
c84b06a4 8730 * _scsih_probe - attach and add scsi host
f92363d1
SR		 8731 * @pdev: PCI device struct
8732 * @id: pci device id
8733 *
8734 * Returns 0 success, anything else error.
8735 */
8bbb1cf6 8736static int
c84b06a4 8737_scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
f92363d1
SR		 8738{
8739 struct MPT3SAS_ADAPTER *ioc;
c84b06a4 8740 struct Scsi_Host *shost = NULL;
b65f1d4d 8741 int rv;
c84b06a4
SR		 8742 u16 hba_mpi_version;
8743
8744 /* Determine in which MPI version class this pci device belongs */
8745 hba_mpi_version = _scsih_determine_hba_mpi_version(pdev);
8746 if (hba_mpi_version == 0)
8747 return -ENODEV;
8748
8749 /* Enumerate only SAS 2.0 HBA's if hbas_to_enumerate is one,
8750 * for other generation HBA's return with -ENODEV
8751 */
8752 if ((hbas_to_enumerate == 1) && (hba_mpi_version != MPI2_VERSION))
8753 return -ENODEV;
8754
8755 /* Enumerate only SAS 3.0 HBA's if hbas_to_enumerate is two,
8756 * for other generation HBA's return with -ENODEV
8757 */
b130b0d5
SS		 8758 if ((hbas_to_enumerate == 2) && (!(hba_mpi_version == MPI25_VERSION
8759 || hba_mpi_version == MPI26_VERSION)))
c84b06a4
SR		 8760 return -ENODEV;
8761
8762 switch (hba_mpi_version) {
8763 case MPI2_VERSION:
8764 /* Use mpt2sas driver host template for SAS 2.0 HBA's */
8765 shost = scsi_host_alloc(&mpt2sas_driver_template,
8766 sizeof(struct MPT3SAS_ADAPTER));
8767 if (!shost)
8768 return -ENODEV;
8769 ioc = shost_priv(shost);
8770 memset(ioc, 0, sizeof(struct MPT3SAS_ADAPTER));
8771 ioc->hba_mpi_version_belonged = hba_mpi_version;
8772 ioc->id = mpt2_ids++;
8773 sprintf(ioc->driver_name, "%s", MPT2SAS_DRIVER_NAME);
8774 if (pdev->device == MPI2_MFGPAGE_DEVID_SSS6200) {
8775 ioc->is_warpdrive = 1;
8776 ioc->hide_ir_msg = 1;
8777 } else
8778 ioc->mfg_pg10_hide_flag = MFG_PAGE10_EXPOSE_ALL_DISKS;
8779 break;
8780 case MPI25_VERSION:
b130b0d5 8781 case MPI26_VERSION:
c84b06a4
SR		 8782 /* Use mpt3sas driver host template for SAS 3.0 HBA's */
8783 shost = scsi_host_alloc(&mpt3sas_driver_template,
8784 sizeof(struct MPT3SAS_ADAPTER));
8785 if (!shost)
8786 return -ENODEV;
8787 ioc = shost_priv(shost);
8788 memset(ioc, 0, sizeof(struct MPT3SAS_ADAPTER));
8789 ioc->hba_mpi_version_belonged = hba_mpi_version;
8790 ioc->id = mpt3_ids++;
8791 sprintf(ioc->driver_name, "%s", MPT3SAS_DRIVER_NAME);
998f26ae
SPS		 8792 switch (pdev->device) {
8793 case MPI26_MFGPAGE_DEVID_SAS3508:
8794 case MPI26_MFGPAGE_DEVID_SAS3508_1:
8795 case MPI26_MFGPAGE_DEVID_SAS3408:
8796 case MPI26_MFGPAGE_DEVID_SAS3516:
8797 case MPI26_MFGPAGE_DEVID_SAS3516_1:
8798 case MPI26_MFGPAGE_DEVID_SAS3416:
8799 ioc->is_gen35_ioc = 1;
8800 break;
8801 default:
8802 ioc->is_gen35_ioc = 0;
8803 }
b130b0d5
SS		 8804 if ((ioc->hba_mpi_version_belonged == MPI25_VERSION &&
8805 pdev->revision >= SAS3_PCI_DEVICE_C0_REVISION) ||
0bb337c9
SPS		 8806 (ioc->hba_mpi_version_belonged == MPI26_VERSION)) {
8807 ioc->combined_reply_queue = 1;
8808 if (ioc->is_gen35_ioc)
8809 ioc->combined_reply_index_count =
8810 MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT_G35;
8811 else
8812 ioc->combined_reply_index_count =
8813 MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT_G3;
8814 }
c84b06a4
SR		 8815 break;
8816 default:
8817 return -ENODEV;
8818 }
f92363d1 8819
f92363d1 8820 INIT_LIST_HEAD(&ioc->list);
08c4d550 8821 spin_lock(&gioc_lock);
f92363d1 8822 list_add_tail(&ioc->list, &mpt3sas_ioc_list);
08c4d550 8823 spin_unlock(&gioc_lock);
f92363d1 8824 ioc->shost = shost;
f92363d1
SR		 8825 ioc->pdev = pdev;
8826 ioc->scsi_io_cb_idx = scsi_io_cb_idx;
8827 ioc->tm_cb_idx = tm_cb_idx;
8828 ioc->ctl_cb_idx = ctl_cb_idx;
8829 ioc->base_cb_idx = base_cb_idx;
8830 ioc->port_enable_cb_idx = port_enable_cb_idx;
8831 ioc->transport_cb_idx = transport_cb_idx;
8832 ioc->scsih_cb_idx = scsih_cb_idx;
8833 ioc->config_cb_idx = config_cb_idx;
8834 ioc->tm_tr_cb_idx = tm_tr_cb_idx;
8835 ioc->tm_tr_volume_cb_idx = tm_tr_volume_cb_idx;
8836 ioc->tm_sas_control_cb_idx = tm_sas_control_cb_idx;
8837 ioc->logging_level = logging_level;
8838 ioc->schedule_dead_ioc_flush_running_cmds = &_scsih_flush_running_cmds;
8839 /* misc semaphores and spin locks */
8840 mutex_init(&ioc->reset_in_progress_mutex);
08c4d550
SR		 8841 /* initializing pci_access_mutex lock */
8842 mutex_init(&ioc->pci_access_mutex);
f92363d1
SR		 8843 spin_lock_init(&ioc->ioc_reset_in_progress_lock);
8844 spin_lock_init(&ioc->scsi_lookup_lock);
8845 spin_lock_init(&ioc->sas_device_lock);
8846 spin_lock_init(&ioc->sas_node_lock);
8847 spin_lock_init(&ioc->fw_event_lock);
8848 spin_lock_init(&ioc->raid_device_lock);
8849 spin_lock_init(&ioc->diag_trigger_lock);
8850
8851 INIT_LIST_HEAD(&ioc->sas_device_list);
8852 INIT_LIST_HEAD(&ioc->sas_device_init_list);
8853 INIT_LIST_HEAD(&ioc->sas_expander_list);
8854 INIT_LIST_HEAD(&ioc->fw_event_list);
8855 INIT_LIST_HEAD(&ioc->raid_device_list);
8856 INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list);
8857 INIT_LIST_HEAD(&ioc->delayed_tr_list);
fd0331b3
SS		 8858 INIT_LIST_HEAD(&ioc->delayed_sc_list);
8859 INIT_LIST_HEAD(&ioc->delayed_event_ack_list);
f92363d1 8860 INIT_LIST_HEAD(&ioc->delayed_tr_volume_list);
cf9bd21a 8861 INIT_LIST_HEAD(&ioc->reply_queue_list);
f92363d1 8862
c84b06a4 8863 sprintf(ioc->name, "%s_cm%d", ioc->driver_name, ioc->id);
d357e84d 8864
f92363d1
SR		 8865 /* init shost parameters */
8866 shost->max_cmd_len = 32;
8867 shost->max_lun = max_lun;
8868 shost->transportt = mpt3sas_transport_template;
8869 shost->unique_id = ioc->id;
8870
8871 if (max_sectors != 0xFFFF) {
8872 if (max_sectors < 64) {
8873 shost->max_sectors = 64;
8874 pr_warn(MPT3SAS_FMT "Invalid value %d passed " \
8875 "for max_sectors, range is 64 to 32767. Assigning "
8876 "value of 64.\n", ioc->name, max_sectors);
8877 } else if (max_sectors > 32767) {
8878 shost->max_sectors = 32767;
8879 pr_warn(MPT3SAS_FMT "Invalid value %d passed " \
8880 "for max_sectors, range is 64 to 32767. Assigning "
8881 "default value of 32767.\n", ioc->name,
8882 max_sectors);
8883 } else {
8884 shost->max_sectors = max_sectors & 0xFFFE;
8885 pr_info(MPT3SAS_FMT
8886 "The max_sectors value is set to %d\n",
8887 ioc->name, shost->max_sectors);
8888 }
8889 }
8890
f92363d1
SR		 8891 /* register EEDP capabilities with SCSI layer */
8892 if (prot_mask > 0)
8893 scsi_host_set_prot(shost, prot_mask);
8894 else
8895 scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION
8896 | SHOST_DIF_TYPE2_PROTECTION
8897 | SHOST_DIF_TYPE3_PROTECTION);
8898
8899 scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC);
8900
8901 /* event thread */
8902 snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name),
c84b06a4 8903 "fw_event_%s%d", ioc->driver_name, ioc->id);
bdff785e
SR		 8904 ioc->firmware_event_thread = alloc_ordered_workqueue(
8905 ioc->firmware_event_name, WQ_MEM_RECLAIM);
f92363d1
SR		 8906 if (!ioc->firmware_event_thread) {
8907 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
8908 ioc->name, __FILE__, __LINE__, __func__);
b65f1d4d 8909 rv = -ENODEV;
f92363d1
SR		 8910 goto out_thread_fail;
8911 }
8912
8913 ioc->is_driver_loading = 1;
8914 if ((mpt3sas_base_attach(ioc))) {
8915 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
8916 ioc->name, __FILE__, __LINE__, __func__);
b65f1d4d 8917 rv = -ENODEV;
f92363d1
SR		 8918 goto out_attach_fail;
8919 }
7786ab6a 8920
7786ab6a
SR		 8921 if (ioc->is_warpdrive) {
8922 if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_EXPOSE_ALL_DISKS)
8923 ioc->hide_drives = 0;
8924 else if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_HIDE_ALL_DISKS)
8925 ioc->hide_drives = 1;
8926 else {
c84b06a4 8927 if (mpt3sas_get_num_volumes(ioc))
7786ab6a
SR		 8928 ioc->hide_drives = 1;
8929 else
8930 ioc->hide_drives = 0;
8931 }
8932 } else
8933 ioc->hide_drives = 0;
7786ab6a 8934
b65f1d4d
SR		 8935 rv = scsi_add_host(shost, &pdev->dev);
8936 if (rv) {
4dc06fd8
RS		 8937 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
8938 ioc->name, __FILE__, __LINE__, __func__);
4dc06fd8
RS		 8939 goto out_add_shost_fail;
8940 }
8941
f92363d1
SR		 8942 scsi_scan_host(shost);
8943 return 0;
4dc06fd8
RS		 8944out_add_shost_fail:
8945 mpt3sas_base_detach(ioc);
f92363d1
SR		 8946 out_attach_fail:
8947 destroy_workqueue(ioc->firmware_event_thread);
8948 out_thread_fail:
08c4d550 8949 spin_lock(&gioc_lock);
f92363d1 8950 list_del(&ioc->list);
08c4d550 8951 spin_unlock(&gioc_lock);
f92363d1 8952 scsi_host_put(shost);
b65f1d4d 8953 return rv;
f92363d1
SR		 8954}
8955
8956#ifdef CONFIG_PM
8957/**
8a7e4c24 8958 * scsih_suspend - power management suspend main entry point
f92363d1
SR		 8959 * @pdev: PCI device struct
8960 * @state: PM state change to (usually PCI_D3)
8961 *
8962 * Returns 0 success, anything else error.
8963 */
8bbb1cf6 8964static int
8a7e4c24 8965scsih_suspend(struct pci_dev *pdev, pm_message_t state)
f92363d1
SR		 8966{
8967 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8968 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8969 pci_power_t device_state;
8970
8971 mpt3sas_base_stop_watchdog(ioc);
8972 flush_scheduled_work();
8973 scsi_block_requests(shost);
8974 device_state = pci_choose_state(pdev, state);
8975 pr_info(MPT3SAS_FMT
8976 "pdev=0x%p, slot=%s, entering operating state [D%d]\n",
8977 ioc->name, pdev, pci_name(pdev), device_state);
8978
8979 pci_save_state(pdev);
8980 mpt3sas_base_free_resources(ioc);
8981 pci_set_power_state(pdev, device_state);
8982 return 0;
8983}
8984
8985/**
8a7e4c24 8986 * scsih_resume - power management resume main entry point
f92363d1
SR		 8987 * @pdev: PCI device struct
8988 *
8989 * Returns 0 success, anything else error.
8990 */
8bbb1cf6 8991static int
8a7e4c24 8992scsih_resume(struct pci_dev *pdev)
f92363d1
SR		 8993{
8994 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8995 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8996 pci_power_t device_state = pdev->current_state;
8997 int r;
8998
8999 pr_info(MPT3SAS_FMT
9000 "pdev=0x%p, slot=%s, previous operating state [D%d]\n",
9001 ioc->name, pdev, pci_name(pdev), device_state);
9002
9003 pci_set_power_state(pdev, PCI_D0);
9004 pci_enable_wake(pdev, PCI_D0, 0);
9005 pci_restore_state(pdev);
9006 ioc->pdev = pdev;
9007 r = mpt3sas_base_map_resources(ioc);
9008 if (r)
9009 return r;
9010
98c56ad3 9011 mpt3sas_base_hard_reset_handler(ioc, SOFT_RESET);
f92363d1
SR		 9012 scsi_unblock_requests(shost);
9013 mpt3sas_base_start_watchdog(ioc);
9014 return 0;
9015}
9016#endif /* CONFIG_PM */
9017
9018/**
8a7e4c24 9019 * scsih_pci_error_detected - Called when a PCI error is detected.
f92363d1
SR		 9020 * @pdev: PCI device struct
9021 * @state: PCI channel state
9022 *
9023 * Description: Called when a PCI error is detected.
9024 *
9025 * Return value:
9026 * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT
9027 */
8bbb1cf6 9028static pci_ers_result_t
8a7e4c24 9029scsih_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
f92363d1
SR		 9030{
9031 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9032 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
9033
9034 pr_info(MPT3SAS_FMT "PCI error: detected callback, state(%d)!!\n",
9035 ioc->name, state);
9036
9037 switch (state) {
9038 case pci_channel_io_normal:
9039 return PCI_ERS_RESULT_CAN_RECOVER;
9040 case pci_channel_io_frozen:
9041 /* Fatal error, prepare for slot reset */
9042 ioc->pci_error_recovery = 1;
9043 scsi_block_requests(ioc->shost);
9044 mpt3sas_base_stop_watchdog(ioc);
9045 mpt3sas_base_free_resources(ioc);
9046 return PCI_ERS_RESULT_NEED_RESET;
9047 case pci_channel_io_perm_failure:
9048 /* Permanent error, prepare for device removal */
9049 ioc->pci_error_recovery = 1;
9050 mpt3sas_base_stop_watchdog(ioc);
9051 _scsih_flush_running_cmds(ioc);
9052 return PCI_ERS_RESULT_DISCONNECT;
9053 }
9054 return PCI_ERS_RESULT_NEED_RESET;
9055}
9056
9057/**
8a7e4c24 9058 * scsih_pci_slot_reset - Called when PCI slot has been reset.
f92363d1
SR		 9059 * @pdev: PCI device struct
9060 *
9061 * Description: This routine is called by the pci error recovery
9062 * code after the PCI slot has been reset, just before we
9063 * should resume normal operations.
9064 */
8bbb1cf6 9065static pci_ers_result_t
8a7e4c24 9066scsih_pci_slot_reset(struct pci_dev *pdev)
f92363d1
SR		 9067{
9068 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9069 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
9070 int rc;
9071
9072 pr_info(MPT3SAS_FMT "PCI error: slot reset callback!!\n",
9073 ioc->name);
9074
9075 ioc->pci_error_recovery = 0;
9076 ioc->pdev = pdev;
9077 pci_restore_state(pdev);
9078 rc = mpt3sas_base_map_resources(ioc);
9079 if (rc)
9080 return PCI_ERS_RESULT_DISCONNECT;
9081
98c56ad3 9082 rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
f92363d1
SR		 9083
9084 pr_warn(MPT3SAS_FMT "hard reset: %s\n", ioc->name,
9085 (rc == 0) ? "success" : "failed");
9086
9087 if (!rc)
9088 return PCI_ERS_RESULT_RECOVERED;
9089 else
9090 return PCI_ERS_RESULT_DISCONNECT;
9091}
9092
9093/**
8a7e4c24 9094 * scsih_pci_resume() - resume normal ops after PCI reset
f92363d1
SR		 9095 * @pdev: pointer to PCI device
9096 *
9097 * Called when the error recovery driver tells us that its
9098 * OK to resume normal operation. Use completion to allow
9099 * halted scsi ops to resume.
9100 */
8bbb1cf6 9101static void
8a7e4c24 9102scsih_pci_resume(struct pci_dev *pdev)
f92363d1
SR		 9103{
9104 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9105 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
9106
9107 pr_info(MPT3SAS_FMT "PCI error: resume callback!!\n", ioc->name);
9108
9109 pci_cleanup_aer_uncorrect_error_status(pdev);
9110 mpt3sas_base_start_watchdog(ioc);
9111 scsi_unblock_requests(ioc->shost);
9112}
9113
9114/**
8a7e4c24 9115 * scsih_pci_mmio_enabled - Enable MMIO and dump debug registers
f92363d1
SR		 9116 * @pdev: pointer to PCI device
9117 */
8bbb1cf6 9118static pci_ers_result_t
8a7e4c24 9119scsih_pci_mmio_enabled(struct pci_dev *pdev)
f92363d1
SR		 9120{
9121 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9122 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
9123
9124 pr_info(MPT3SAS_FMT "PCI error: mmio enabled callback!!\n",
9125 ioc->name);
9126
9127 /* TODO - dump whatever for debugging purposes */
9128
83c3d340
KW		 9129 /* This called only if scsih_pci_error_detected returns
9130 * PCI_ERS_RESULT_CAN_RECOVER. Read/write to the device still
9131 * works, no need to reset slot.
9132 */
9133 return PCI_ERS_RESULT_RECOVERED;
f92363d1
SR		 9134}
9135
307d9075
AM		 9136/**
9137 * scsih__ncq_prio_supp - Check for NCQ command priority support
9138 * @sdev: scsi device struct
9139 *
9140 * This is called when a user indicates they would like to enable
9141 * ncq command priorities. This works only on SATA devices.
9142 */
9143bool scsih_ncq_prio_supp(struct scsi_device *sdev)
9144{
9145 unsigned char *buf;
9146 bool ncq_prio_supp = false;
9147
9148 if (!scsi_device_supports_vpd(sdev))
9149 return ncq_prio_supp;
9150
9151 buf = kmalloc(SCSI_VPD_PG_LEN, GFP_KERNEL);
9152 if (!buf)
9153 return ncq_prio_supp;
9154
9155 if (!scsi_get_vpd_page(sdev, 0x89, buf, SCSI_VPD_PG_LEN))
9156 ncq_prio_supp = (buf[213] >> 4) & 1;
9157
9158 kfree(buf);
9159 return ncq_prio_supp;
9160}
c84b06a4
SR		 9161/*
9162 * The pci device ids are defined in mpi/mpi2_cnfg.h.
9163 */
9164static const struct pci_device_id mpt3sas_pci_table[] = {
9165 /* Spitfire ~ 2004 */
9166 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004,
9167 PCI_ANY_ID, PCI_ANY_ID },
9168 /* Falcon ~ 2008 */
9169 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008,
9170 PCI_ANY_ID, PCI_ANY_ID },
9171 /* Liberator ~ 2108 */
9172 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1,
9173 PCI_ANY_ID, PCI_ANY_ID },
9174 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2,
9175 PCI_ANY_ID, PCI_ANY_ID },
9176 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3,
9177 PCI_ANY_ID, PCI_ANY_ID },
9178 /* Meteor ~ 2116 */
9179 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1,
9180 PCI_ANY_ID, PCI_ANY_ID },
9181 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2,
9182 PCI_ANY_ID, PCI_ANY_ID },
9183 /* Thunderbolt ~ 2208 */
9184 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1,
9185 PCI_ANY_ID, PCI_ANY_ID },
9186 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_2,
9187 PCI_ANY_ID, PCI_ANY_ID },
9188 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_3,
9189 PCI_ANY_ID, PCI_ANY_ID },
9190 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_4,
9191 PCI_ANY_ID, PCI_ANY_ID },
9192 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_5,
9193 PCI_ANY_ID, PCI_ANY_ID },
9194 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6,
9195 PCI_ANY_ID, PCI_ANY_ID },
9196 /* Mustang ~ 2308 */
9197 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_1,
9198 PCI_ANY_ID, PCI_ANY_ID },
9199 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2,
9200 PCI_ANY_ID, PCI_ANY_ID },
9201 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_3,
9202 PCI_ANY_ID, PCI_ANY_ID },
9203 /* SSS6200 */
9204 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SSS6200,
9205 PCI_ANY_ID, PCI_ANY_ID },
9206 /* Fury ~ 3004 and 3008 */
9207 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3004,
9208 PCI_ANY_ID, PCI_ANY_ID },
9209 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3008,
9210 PCI_ANY_ID, PCI_ANY_ID },
9211 /* Invader ~ 3108 */
9212 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_1,
9213 PCI_ANY_ID, PCI_ANY_ID },
9214 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_2,
9215 PCI_ANY_ID, PCI_ANY_ID },
9216 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_5,
9217 PCI_ANY_ID, PCI_ANY_ID },
9218 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_6,
9219 PCI_ANY_ID, PCI_ANY_ID },
b130b0d5
SS		 9220 /* Cutlass ~ 3216 and 3224 */
9221 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3216,
9222 PCI_ANY_ID, PCI_ANY_ID },
9223 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3224,
9224 PCI_ANY_ID, PCI_ANY_ID },
9225 /* Intruder ~ 3316 and 3324 */
9226 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_1,
9227 PCI_ANY_ID, PCI_ANY_ID },
9228 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_2,
9229 PCI_ANY_ID, PCI_ANY_ID },
9230 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_3,
9231 PCI_ANY_ID, PCI_ANY_ID },
9232 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_4,
9233 PCI_ANY_ID, PCI_ANY_ID },
9234 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_1,
9235 PCI_ANY_ID, PCI_ANY_ID },
9236 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_2,
9237 PCI_ANY_ID, PCI_ANY_ID },
9238 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_3,
9239 PCI_ANY_ID, PCI_ANY_ID },
9240 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_4,
9241 PCI_ANY_ID, PCI_ANY_ID },
998f26ae
SPS		 9242 /* Ventura, Crusader, Harpoon & Tomcat ~ 3516, 3416, 3508 & 3408*/
9243 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3508,
9244 PCI_ANY_ID, PCI_ANY_ID },
9245 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3508_1,
9246 PCI_ANY_ID, PCI_ANY_ID },
9247 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3408,
9248 PCI_ANY_ID, PCI_ANY_ID },
9249 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3516,
9250 PCI_ANY_ID, PCI_ANY_ID },
9251 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3516_1,
9252 PCI_ANY_ID, PCI_ANY_ID },
9253 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3416,
9254 PCI_ANY_ID, PCI_ANY_ID },
c84b06a4
SR		 9255 {0} /* Terminating entry */
9256};
9257MODULE_DEVICE_TABLE(pci, mpt3sas_pci_table);
9258
9259static struct pci_error_handlers _mpt3sas_err_handler = {
9260 .error_detected = scsih_pci_error_detected,
9261 .mmio_enabled = scsih_pci_mmio_enabled,
9262 .slot_reset = scsih_pci_slot_reset,
9263 .resume = scsih_pci_resume,
9264};
9265
9266static struct pci_driver mpt3sas_driver = {
9267 .name = MPT3SAS_DRIVER_NAME,
9268 .id_table = mpt3sas_pci_table,
9269 .probe = _scsih_probe,
9270 .remove = scsih_remove,
9271 .shutdown = scsih_shutdown,
9272 .err_handler = &_mpt3sas_err_handler,
9273#ifdef CONFIG_PM
9274 .suspend = scsih_suspend,
9275 .resume = scsih_resume,
9276#endif
9277};
9278
f92363d1 9279/**
8a7e4c24 9280 * scsih_init - main entry point for this driver.
f92363d1
SR		 9281 *
9282 * Returns 0 success, anything else error.
9283 */
8bbb1cf6 9284static int
8a7e4c24 9285scsih_init(void)
f92363d1 9286{
c84b06a4
SR		 9287 mpt2_ids = 0;
9288 mpt3_ids = 0;
f92363d1 9289
f92363d1
SR		 9290 mpt3sas_base_initialize_callback_handler();
9291
9292 /* queuecommand callback hander */
9293 scsi_io_cb_idx = mpt3sas_base_register_callback_handler(_scsih_io_done);
9294
6c7abffc 9295 /* task management callback handler */
f92363d1
SR		 9296 tm_cb_idx = mpt3sas_base_register_callback_handler(_scsih_tm_done);
9297
9298 /* base internal commands callback handler */
9299 base_cb_idx = mpt3sas_base_register_callback_handler(mpt3sas_base_done);
9300 port_enable_cb_idx = mpt3sas_base_register_callback_handler(
9301 mpt3sas_port_enable_done);
9302
9303 /* transport internal commands callback handler */
9304 transport_cb_idx = mpt3sas_base_register_callback_handler(
9305 mpt3sas_transport_done);
9306
9307 /* scsih internal commands callback handler */
9308 scsih_cb_idx = mpt3sas_base_register_callback_handler(_scsih_done);
9309
9310 /* configuration page API internal commands callback handler */
9311 config_cb_idx = mpt3sas_base_register_callback_handler(
9312 mpt3sas_config_done);
9313
9314 /* ctl module callback handler */
9315 ctl_cb_idx = mpt3sas_base_register_callback_handler(mpt3sas_ctl_done);
9316
9317 tm_tr_cb_idx = mpt3sas_base_register_callback_handler(
9318 _scsih_tm_tr_complete);
9319
9320 tm_tr_volume_cb_idx = mpt3sas_base_register_callback_handler(
9321 _scsih_tm_volume_tr_complete);
9322
9323 tm_sas_control_cb_idx = mpt3sas_base_register_callback_handler(
9324 _scsih_sas_control_complete);
9325
7497392a 9326 return 0;
f92363d1
SR		 9327}
9328
9329/**
7497392a 9330 * scsih_exit - exit point for this driver (when it is a module).
f92363d1
SR		 9331 *
9332 * Returns 0 success, anything else error.
9333 */
8bbb1cf6 9334static void
8a7e4c24 9335scsih_exit(void)
f92363d1 9336{
f92363d1
SR		 9337
9338 mpt3sas_base_release_callback_handler(scsi_io_cb_idx);
9339 mpt3sas_base_release_callback_handler(tm_cb_idx);
9340 mpt3sas_base_release_callback_handler(base_cb_idx);
9341 mpt3sas_base_release_callback_handler(port_enable_cb_idx);
9342 mpt3sas_base_release_callback_handler(transport_cb_idx);
9343 mpt3sas_base_release_callback_handler(scsih_cb_idx);
9344 mpt3sas_base_release_callback_handler(config_cb_idx);
9345 mpt3sas_base_release_callback_handler(ctl_cb_idx);
9346
9347 mpt3sas_base_release_callback_handler(tm_tr_cb_idx);
9348 mpt3sas_base_release_callback_handler(tm_tr_volume_cb_idx);
9349 mpt3sas_base_release_callback_handler(tm_sas_control_cb_idx);
9350
9351/* raid transport support */
c84b06a4
SR		 9352 if (hbas_to_enumerate != 1)
9353 raid_class_release(mpt3sas_raid_template);
9354 if (hbas_to_enumerate != 2)
9355 raid_class_release(mpt2sas_raid_template);
f92363d1
SR		 9356 sas_release_transport(mpt3sas_transport_template);
9357}
7786ab6a 9358
c84b06a4
SR		 9359/**
9360 * _mpt3sas_init - main entry point for this driver.
9361 *
9362 * Returns 0 success, anything else error.
9363 */
9364static int __init
9365_mpt3sas_init(void)
9366{
9367 int error;
9368
9369 pr_info("%s version %s loaded\n", MPT3SAS_DRIVER_NAME,
9370 MPT3SAS_DRIVER_VERSION);
9371
9372 mpt3sas_transport_template =
9373 sas_attach_transport(&mpt3sas_transport_functions);
9374 if (!mpt3sas_transport_template)
9375 return -ENODEV;
9376
9377 /* No need attach mpt3sas raid functions template
9378 * if hbas_to_enumarate value is one.
9379 */
9380 if (hbas_to_enumerate != 1) {
9381 mpt3sas_raid_template =
9382 raid_class_attach(&mpt3sas_raid_functions);
9383 if (!mpt3sas_raid_template) {
9384 sas_release_transport(mpt3sas_transport_template);
9385 return -ENODEV;
9386 }
9387 }
9388
9389 /* No need to attach mpt2sas raid functions template
9390 * if hbas_to_enumarate value is two
9391 */
9392 if (hbas_to_enumerate != 2) {
9393 mpt2sas_raid_template =
9394 raid_class_attach(&mpt2sas_raid_functions);
9395 if (!mpt2sas_raid_template) {
9396 sas_release_transport(mpt3sas_transport_template);
9397 return -ENODEV;
9398 }
9399 }
9400
9401 error = scsih_init();
9402 if (error) {
9403 scsih_exit();
9404 return error;
9405 }
9406
9407 mpt3sas_ctl_init(hbas_to_enumerate);
9408
9409 error = pci_register_driver(&mpt3sas_driver);
9410 if (error)
9411 scsih_exit();
9412
9413 return error;
9414}
9415
9416/**
9417 * _mpt3sas_exit - exit point for this driver (when it is a module).
9418 *
9419 */
9420static void __exit
9421_mpt3sas_exit(void)
9422{
9423 pr_info("mpt3sas version %s unloading\n",
9424 MPT3SAS_DRIVER_VERSION);
9425
9426 pci_unregister_driver(&mpt3sas_driver);
9427
9428 mpt3sas_ctl_exit(hbas_to_enumerate);
9429
9430 scsih_exit();
9431}
9432
9433module_init(_mpt3sas_init);
9434module_exit(_mpt3sas_exit);
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