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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 | |
5 | * Copyright (C) 2012-2014 LSI Corporation | |
6 | * Copyright (C) 2013-2014 Avago Technologies | |
7 | * (mailto: MPT-FusionLinux.pdl@avagotech.com) | |
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 | ||
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> | |
57 | #include <asm/unaligned.h> | |
58 | ||
59 | #include "mpt3sas_base.h" | |
60 | ||
61 | #define RAID_CHANNEL 1 | |
62 | /* forward proto's */ | |
63 | static void _scsih_expander_node_remove(struct MPT3SAS_ADAPTER *ioc, | |
64 | struct _sas_node *sas_expander); | |
65 | static void _firmware_event_work(struct work_struct *work); | |
66 | ||
67 | static void _scsih_remove_device(struct MPT3SAS_ADAPTER *ioc, | |
68 | struct _sas_device *sas_device); | |
69 | static int _scsih_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle, | |
70 | u8 retry_count, u8 is_pd); | |
71 | ||
72 | static u8 _scsih_check_for_pending_tm(struct MPT3SAS_ADAPTER *ioc, u16 smid); | |
73 | ||
74 | /* global parameters */ | |
75 | LIST_HEAD(mpt3sas_ioc_list); | |
76 | /* global ioc lock for list operations */ | |
77 | DEFINE_SPINLOCK(gioc_lock); | |
78 | ||
79 | MODULE_AUTHOR(MPT3SAS_AUTHOR); | |
80 | MODULE_DESCRIPTION(MPT3SAS_DESCRIPTION); | |
81 | MODULE_LICENSE("GPL"); | |
82 | MODULE_VERSION(MPT3SAS_DRIVER_VERSION); | |
83 | MODULE_ALIAS("mpt2sas"); | |
84 | ||
85 | /* local parameters */ | |
86 | static u8 scsi_io_cb_idx = -1; | |
87 | static u8 tm_cb_idx = -1; | |
88 | static u8 ctl_cb_idx = -1; | |
89 | static u8 base_cb_idx = -1; | |
90 | static u8 port_enable_cb_idx = -1; | |
91 | static u8 transport_cb_idx = -1; | |
92 | static u8 scsih_cb_idx = -1; | |
93 | static u8 config_cb_idx = -1; | |
94 | static int mpt2_ids; | |
95 | static int mpt3_ids; | |
96 | ||
97 | static u8 tm_tr_cb_idx = -1 ; | |
98 | static u8 tm_tr_volume_cb_idx = -1 ; | |
99 | static u8 tm_sas_control_cb_idx = -1; | |
100 | ||
101 | /* command line options */ | |
102 | static u32 logging_level; | |
103 | MODULE_PARM_DESC(logging_level, | |
104 | " bits for enabling additional logging info (default=0)"); | |
105 | ||
106 | ||
107 | static ushort max_sectors = 0xFFFF; | |
108 | module_param(max_sectors, ushort, 0); | |
109 | MODULE_PARM_DESC(max_sectors, "max sectors, range 64 to 32767 default=32767"); | |
110 | ||
111 | ||
112 | static int missing_delay[2] = {-1, -1}; | |
113 | module_param_array(missing_delay, int, NULL, 0); | |
114 | MODULE_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) | |
118 | static u64 max_lun = MPT3SAS_MAX_LUN; | |
119 | module_param(max_lun, ullong, 0); | |
120 | MODULE_PARM_DESC(max_lun, " max lun, default=16895 "); | |
121 | ||
122 | static ushort hbas_to_enumerate; | |
123 | module_param(hbas_to_enumerate, ushort, 0); | |
124 | MODULE_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)"); | |
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 | */ | |
136 | static int diag_buffer_enable = -1; | |
137 | module_param(diag_buffer_enable, int, 0); | |
138 | MODULE_PARM_DESC(diag_buffer_enable, | |
139 | " post diag buffers (TRACE=1/SNAPSHOT=2/EXTENDED=4/default=0)"); | |
140 | static int disable_discovery = -1; | |
141 | module_param(disable_discovery, int, 0); | |
142 | MODULE_PARM_DESC(disable_discovery, " disable discovery "); | |
143 | ||
144 | ||
145 | /* permit overriding the host protection capabilities mask (EEDP/T10 PI) */ | |
146 | static int prot_mask = -1; | |
147 | module_param(prot_mask, int, 0); | |
148 | MODULE_PARM_DESC(prot_mask, " host protection capabilities mask, def=7 "); | |
149 | ||
150 | ||
151 | /* raid transport support */ | |
152 | struct raid_template *mpt3sas_raid_template; | |
153 | struct raid_template *mpt2sas_raid_template; | |
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 | */ | |
162 | struct sense_info { | |
163 | u8 skey; | |
164 | u8 asc; | |
165 | u8 ascq; | |
166 | }; | |
167 | ||
168 | #define MPT3SAS_PROCESS_TRIGGER_DIAG (0xFFFB) | |
169 | #define MPT3SAS_TURN_ON_PFA_LED (0xFFFC) | |
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) | |
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 | |
182 | * @event: firmware event MPI2_EVENT_XXX defined in mpi2_ioc.h | |
183 | * @refcount: kref for this event | |
184 | * @event_data: reply event data payload follows | |
185 | * | |
186 | * This object stored on ioc->fw_event_list. | |
187 | */ | |
188 | struct fw_event_work { | |
189 | struct list_head list; | |
190 | struct work_struct work; | |
191 | ||
192 | struct MPT3SAS_ADAPTER *ioc; | |
193 | u16 device_handle; | |
194 | u8 VF_ID; | |
195 | u8 VP_ID; | |
196 | u8 ignore; | |
197 | u16 event; | |
198 | struct kref refcount; | |
199 | char event_data[0] __aligned(4); | |
200 | }; | |
201 | ||
202 | static void fw_event_work_free(struct kref *r) | |
203 | { | |
204 | kfree(container_of(r, struct fw_event_work, refcount)); | |
205 | } | |
206 | ||
207 | static void fw_event_work_get(struct fw_event_work *fw_work) | |
208 | { | |
209 | kref_get(&fw_work->refcount); | |
210 | } | |
211 | ||
212 | static void fw_event_work_put(struct fw_event_work *fw_work) | |
213 | { | |
214 | kref_put(&fw_work->refcount, fw_event_work_free); | |
215 | } | |
216 | ||
217 | static 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 | ||
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 | */ | |
254 | struct _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 | ||
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 | */ | |
282 | static 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); | |
292 | spin_lock(&gioc_lock); | |
293 | list_for_each_entry(ioc, &mpt3sas_ioc_list, list) | |
294 | ioc->logging_level = logging_level; | |
295 | spin_unlock(&gioc_lock); | |
296 | return 0; | |
297 | } | |
298 | module_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 | */ | |
308 | static 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 | */ | |
322 | static 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 | */ | |
337 | static 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 | */ | |
357 | static 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 | */ | |
398 | static int | |
399 | _scsih_get_sas_address(struct MPT3SAS_ADAPTER *ioc, u16 handle, | |
400 | u64 *sas_address) | |
401 | { | |
402 | Mpi2SasDevicePage0_t sas_device_pg0; | |
403 | Mpi2ConfigReply_t mpi_reply; | |
404 | u32 ioc_status; | |
405 | ||
406 | *sas_address = 0; | |
407 | ||
408 | if (handle <= ioc->sas_hba.num_phys) { | |
409 | *sas_address = ioc->sas_hba.sas_address; | |
410 | return 0; | |
411 | } | |
412 | ||
413 | if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
414 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { | |
415 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", ioc->name, | |
416 | __FILE__, __LINE__, __func__); | |
417 | return -ENXIO; | |
418 | } | |
419 | ||
420 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; | |
421 | if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { | |
422 | *sas_address = le64_to_cpu(sas_device_pg0.SASAddress); | |
423 | return 0; | |
424 | } | |
425 | ||
426 | /* we hit this becuase the given parent handle doesn't exist */ | |
427 | if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) | |
428 | return -ENXIO; | |
429 | ||
430 | /* else error case */ | |
431 | pr_err(MPT3SAS_FMT | |
432 | "handle(0x%04x), ioc_status(0x%04x), failure at %s:%d/%s()!\n", | |
433 | ioc->name, handle, ioc_status, | |
434 | __FILE__, __LINE__, __func__); | |
435 | return -EIO; | |
436 | } | |
437 | ||
438 | /** | |
439 | * _scsih_determine_boot_device - determine boot device. | |
440 | * @ioc: per adapter object | |
441 | * @device: either sas_device or raid_device object | |
442 | * @is_raid: [flag] 1 = raid object, 0 = sas object | |
443 | * | |
444 | * Determines whether this device should be first reported device to | |
445 | * to scsi-ml or sas transport, this purpose is for persistent boot device. | |
446 | * There are primary, alternate, and current entries in bios page 2. The order | |
447 | * priority is primary, alternate, then current. This routine saves | |
448 | * the corresponding device object and is_raid flag in the ioc object. | |
449 | * The saved data to be used later in _scsih_probe_boot_devices(). | |
450 | */ | |
451 | static 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 | ||
530 | static 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 | ||
545 | static struct _sas_device * | |
546 | mpt3sas_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 | ||
560 | struct _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 | ||
578 | found_device: | |
579 | sas_device_get(sas_device); | |
580 | return sas_device; | |
581 | } | |
582 | ||
583 | /** | |
584 | * mpt3sas_get_sdev_by_addr - sas device search | |
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 | */ | |
592 | struct _sas_device * | |
593 | mpt3sas_get_sdev_by_addr(struct MPT3SAS_ADAPTER *ioc, | |
594 | u64 sas_address) | |
595 | { | |
596 | struct _sas_device *sas_device; | |
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 | ||
607 | static 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); | |
613 | ||
614 | list_for_each_entry(sas_device, &ioc->sas_device_list, list) | |
615 | if (sas_device->handle == handle) | |
616 | goto found_device; | |
617 | ||
618 | list_for_each_entry(sas_device, &ioc->sas_device_init_list, list) | |
619 | if (sas_device->handle == handle) | |
620 | goto found_device; | |
621 | ||
622 | return NULL; | |
623 | ||
624 | found_device: | |
625 | sas_device_get(sas_device); | |
626 | return sas_device; | |
627 | } | |
628 | ||
629 | /** | |
630 | * mpt3sas_get_sdev_by_handle - sas device search | |
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 | */ | |
638 | static struct _sas_device * | |
639 | mpt3sas_get_sdev_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle) | |
640 | { | |
641 | struct _sas_device *sas_device; | |
642 | unsigned long flags; | |
643 | ||
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); | |
647 | ||
648 | return sas_device; | |
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 | * | |
657 | * If sas_device is on the list, remove it and decrement its reference count. | |
658 | */ | |
659 | static 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; | |
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); | |
683 | ||
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 | */ | |
688 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
689 | if (!list_empty(&sas_device->list)) { | |
690 | list_del_init(&sas_device->list); | |
691 | sas_device_put(sas_device); | |
692 | } | |
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 | */ | |
703 | static 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); | |
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 | } | |
718 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
719 | if (sas_device) { | |
720 | _scsih_remove_device(ioc, sas_device); | |
721 | sas_device_put(sas_device); | |
722 | } | |
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 | */ | |
732 | void | |
733 | mpt3sas_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); | |
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 | } | |
748 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
749 | if (sas_device) { | |
750 | _scsih_remove_device(ioc, sas_device); | |
751 | sas_device_put(sas_device); | |
752 | } | |
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 | */ | |
763 | static 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 | ||
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 | ||
786 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
787 | sas_device_get(sas_device); | |
788 | list_add_tail(&sas_device->list, &ioc->sas_device_list); | |
789 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
790 | ||
791 | if (ioc->hide_drives) { | |
792 | clear_bit(sas_device->handle, ioc->pend_os_device_add); | |
793 | return; | |
794 | } | |
795 | ||
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 | */ | |
805 | if (!ioc->is_driver_loading) { | |
806 | mpt3sas_transport_port_remove(ioc, | |
807 | sas_device->sas_address, | |
808 | sas_device->sas_address_parent); | |
809 | _scsih_sas_device_remove(ioc, sas_device); | |
810 | } | |
811 | } else | |
812 | clear_bit(sas_device->handle, ioc->pend_os_device_add); | |
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 | */ | |
823 | static 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 | ||
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 | ||
846 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
847 | sas_device_get(sas_device); | |
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 | */ | |
863 | static 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 | /** | |
881 | * mpt3sas_raid_device_find_by_handle - raid device search | |
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 | */ | |
889 | struct _raid_device * | |
890 | mpt3sas_raid_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle) | |
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 | */ | |
915 | static 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 | */ | |
939 | static 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 | */ | |
960 | static 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 | */ | |
981 | struct _sas_node * | |
982 | mpt3sas_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 | */ | |
1006 | struct _sas_node * | |
1007 | mpt3sas_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 | */ | |
1033 | static 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 | */ | |
1051 | static 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 | */ | |
1070 | static 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 | */ | |
1084 | static 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 | */ | |
1108 | static 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 | */ | |
1139 | static 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 | */ | |
1173 | static 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 | ||
1197 | /** | |
1198 | * scsih_change_queue_depth - setting device queue depth | |
1199 | * @sdev: scsi device struct | |
1200 | * @qdepth: requested queue depth | |
1201 | * | |
1202 | * Returns queue depth. | |
1203 | */ | |
1204 | static int | |
1205 | scsih_change_queue_depth(struct scsi_device *sdev, int qdepth) | |
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; | |
1226 | ||
1227 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
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 | } | |
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; | |
1243 | return scsi_change_queue_depth(sdev, qdepth); | |
1244 | } | |
1245 | ||
1246 | /** | |
1247 | * scsih_target_alloc - target add routine | |
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 | */ | |
1253 | static int | |
1254 | scsih_target_alloc(struct scsi_target *starget) | |
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 | ||
1264 | sas_target_priv_data = kzalloc(sizeof(*sas_target_priv_data), | |
1265 | GFP_KERNEL); | |
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; | |
1282 | sas_target_priv_data->raid_device = raid_device; | |
1283 | if (ioc->is_warpdrive) | |
1284 | raid_device->starget = starget; | |
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); | |
1293 | sas_device = __mpt3sas_get_sdev_by_addr(ioc, | |
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; | |
1299 | sas_target_priv_data->sdev = sas_device; | |
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 | /** | |
1315 | * scsih_target_destroy - target destroy routine | |
1316 | * @starget: scsi target struct | |
1317 | * | |
1318 | * Returns nothing. | |
1319 | */ | |
1320 | static void | |
1321 | scsih_target_destroy(struct scsi_target *starget) | |
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; | |
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); | |
1347 | sas_device = __mpt3sas_get_sdev_from_target(ioc, sas_target_priv_data); | |
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 | ||
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 | } | |
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 | /** | |
1370 | * scsih_slave_alloc - device add routine | |
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 | */ | |
1376 | static int | |
1377 | scsih_slave_alloc(struct scsi_device *sdev) | |
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; | |
1385 | struct _sas_device *sas_device; | |
1386 | unsigned long flags; | |
1387 | ||
1388 | sas_device_priv_data = kzalloc(sizeof(*sas_device_priv_data), | |
1389 | GFP_KERNEL); | |
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 | ||
1415 | if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) { | |
1416 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
1417 | sas_device = __mpt3sas_get_sdev_by_addr(ioc, | |
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", | |
1422 | __func__, __LINE__); | |
1423 | sas_device->starget = starget; | |
1424 | } | |
1425 | ||
1426 | if (sas_device) | |
1427 | sas_device_put(sas_device); | |
1428 | ||
1429 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
1430 | } | |
1431 | ||
1432 | return 0; | |
1433 | } | |
1434 | ||
1435 | /** | |
1436 | * scsih_slave_destroy - device destroy routine | |
1437 | * @sdev: scsi device struct | |
1438 | * | |
1439 | * Returns nothing. | |
1440 | */ | |
1441 | static void | |
1442 | scsih_slave_destroy(struct scsi_device *sdev) | |
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); | |
1463 | sas_device = __mpt3sas_get_sdev_from_target(ioc, | |
1464 | sas_target_priv_data); | |
1465 | if (sas_device && !sas_target_priv_data->num_luns) | |
1466 | sas_device->starget = NULL; | |
1467 | ||
1468 | if (sas_device) | |
1469 | sas_device_put(sas_device); | |
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 | */ | |
1483 | static void | |
1484 | _scsih_display_sata_capabilities(struct MPT3SAS_ADAPTER *ioc, | |
1485 | u16 handle, struct scsi_device *sdev) | |
1486 | { | |
1487 | Mpi2ConfigReply_t mpi_reply; | |
1488 | Mpi2SasDevicePage0_t sas_device_pg0; | |
1489 | u32 ioc_status; | |
1490 | u16 flags; | |
1491 | u32 device_info; | |
1492 | ||
1493 | if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
1494 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { | |
1495 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
1496 | ioc->name, __FILE__, __LINE__, __func__); | |
1497 | return; | |
1498 | } | |
1499 | ||
1500 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
1501 | MPI2_IOCSTATUS_MASK; | |
1502 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
1503 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
1504 | ioc->name, __FILE__, __LINE__, __func__); | |
1505 | return; | |
1506 | } | |
1507 | ||
1508 | flags = le16_to_cpu(sas_device_pg0.Flags); | |
1509 | device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); | |
1510 | ||
1511 | sdev_printk(KERN_INFO, sdev, | |
1512 | "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), " | |
1513 | "sw_preserve(%s)\n", | |
1514 | (device_info & MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? "y" : "n", | |
1515 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED) ? "y" : "n", | |
1516 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY) ? "y" : | |
1517 | "n", | |
1518 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED) ? "y" : "n", | |
1519 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED) ? "y" : "n", | |
1520 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE) ? "y" : "n"); | |
1521 | } | |
1522 | ||
1523 | /* | |
1524 | * raid transport support - | |
1525 | * Enabled for SLES11 and newer, in older kernels the driver will panic when | |
1526 | * unloading the driver followed by a load - I beleive that the subroutine | |
1527 | * raid_class_release() is not cleaning up properly. | |
1528 | */ | |
1529 | ||
1530 | /** | |
1531 | * scsih_is_raid - return boolean indicating device is raid volume | |
1532 | * @dev the device struct object | |
1533 | */ | |
1534 | static int | |
1535 | scsih_is_raid(struct device *dev) | |
1536 | { | |
1537 | struct scsi_device *sdev = to_scsi_device(dev); | |
1538 | struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host); | |
1539 | ||
1540 | if (ioc->is_warpdrive) | |
1541 | return 0; | |
1542 | return (sdev->channel == RAID_CHANNEL) ? 1 : 0; | |
1543 | } | |
1544 | ||
1545 | /** | |
1546 | * scsih_get_resync - get raid volume resync percent complete | |
1547 | * @dev the device struct object | |
1548 | */ | |
1549 | static void | |
1550 | scsih_get_resync(struct device *dev) | |
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; | |
1564 | if (ioc->is_warpdrive) | |
1565 | goto out; | |
1566 | ||
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: | |
1594 | ||
1595 | switch (ioc->hba_mpi_version_belonged) { | |
1596 | case MPI2_VERSION: | |
1597 | raid_set_resync(mpt2sas_raid_template, dev, percent_complete); | |
1598 | break; | |
1599 | case MPI25_VERSION: | |
1600 | case MPI26_VERSION: | |
1601 | raid_set_resync(mpt3sas_raid_template, dev, percent_complete); | |
1602 | break; | |
1603 | } | |
1604 | } | |
1605 | ||
1606 | /** | |
1607 | * scsih_get_state - get raid volume level | |
1608 | * @dev the device struct object | |
1609 | */ | |
1610 | static void | |
1611 | scsih_get_state(struct device *dev) | |
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: | |
1661 | switch (ioc->hba_mpi_version_belonged) { | |
1662 | case MPI2_VERSION: | |
1663 | raid_set_state(mpt2sas_raid_template, dev, state); | |
1664 | break; | |
1665 | case MPI25_VERSION: | |
1666 | case MPI26_VERSION: | |
1667 | raid_set_state(mpt3sas_raid_template, dev, state); | |
1668 | break; | |
1669 | } | |
1670 | } | |
1671 | ||
1672 | /** | |
1673 | * _scsih_set_level - set raid level | |
1674 | * @sdev: scsi device struct | |
1675 | * @volume_type: volume type | |
1676 | */ | |
1677 | static void | |
1678 | _scsih_set_level(struct MPT3SAS_ADAPTER *ioc, | |
1679 | struct scsi_device *sdev, u8 volume_type) | |
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 | ||
1698 | switch (ioc->hba_mpi_version_belonged) { | |
1699 | case MPI2_VERSION: | |
1700 | raid_set_level(mpt2sas_raid_template, | |
1701 | &sdev->sdev_gendev, level); | |
1702 | break; | |
1703 | case MPI25_VERSION: | |
1704 | case MPI26_VERSION: | |
1705 | raid_set_level(mpt3sas_raid_template, | |
1706 | &sdev->sdev_gendev, level); | |
1707 | break; | |
1708 | } | |
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 | */ | |
1719 | static 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 | ||
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 | */ | |
1787 | static 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 | /** | |
1806 | * scsih_slave_configure - device configure routine. | |
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 | */ | |
1812 | static int | |
1813 | scsih_slave_configure(struct scsi_device *sdev) | |
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); | |
1840 | raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle); | |
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 | ||
1856 | /* | |
1857 | * WARPDRIVE: Initialize the required data for Direct IO | |
1858 | */ | |
1859 | mpt3sas_init_warpdrive_properties(ioc, raid_device); | |
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 | ||
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); | |
1915 | ||
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 | ||
1924 | scsih_change_queue_depth(sdev, qdepth); | |
1925 | ||
1926 | /* raid transport support */ | |
1927 | if (!ioc->is_warpdrive) | |
1928 | _scsih_set_level(ioc, sdev, raid_device->volume_type); | |
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); | |
1951 | sas_device = __mpt3sas_get_sdev_by_addr(ioc, | |
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; | |
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"; | |
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); | |
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); | |
1998 | ||
1999 | sas_device_put(sas_device); | |
2000 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
2001 | ||
2002 | if (!ssp_target) | |
2003 | _scsih_display_sata_capabilities(ioc, handle, sdev); | |
2004 | ||
2005 | ||
2006 | scsih_change_queue_depth(sdev, qdepth); | |
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 | /** | |
2017 | * scsih_bios_param - fetch head, sector, cylinder info for a disk | |
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 | */ | |
2028 | static int | |
2029 | scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev, | |
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 | */ | |
2071 | static 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 | */ | |
2122 | static 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; | |
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 | */ | |
2149 | void | |
2150 | mpt3sas_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 | */ | |
2177 | void | |
2178 | mpt3sas_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 | |
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 | */ | |
2216 | int | |
2217 | mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle, uint channel, | |
2218 | uint id, uint lun, u8 type, u16 smid_task, ulong timeout) | |
2219 | { | |
2220 | Mpi2SCSITaskManagementRequest_t *mpi_request; | |
2221 | Mpi2SCSITaskManagementReply_t *mpi_reply; | |
2222 | u16 smid = 0; | |
2223 | u32 ioc_state; | |
2224 | struct scsiio_tracker *scsi_lookup = NULL; | |
2225 | int rc; | |
2226 | u16 msix_task = 0; | |
2227 | ||
2228 | lockdep_assert_held(&ioc->tm_cmds.mutex); | |
2229 | ||
2230 | if (ioc->tm_cmds.status != MPT3_CMD_NOT_USED) { | |
2231 | pr_info(MPT3SAS_FMT "%s: tm_cmd busy!!!\n", | |
2232 | __func__, ioc->name); | |
2233 | return FAILED; | |
2234 | } | |
2235 | ||
2236 | if (ioc->shost_recovery || ioc->remove_host || | |
2237 | ioc->pci_error_recovery) { | |
2238 | pr_info(MPT3SAS_FMT "%s: host reset in progress!\n", | |
2239 | __func__, ioc->name); | |
2240 | return FAILED; | |
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)); | |
2247 | rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); | |
2248 | return (!rc) ? SUCCESS : FAILED; | |
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); | |
2254 | rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); | |
2255 | return (!rc) ? SUCCESS : FAILED; | |
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__); | |
2262 | return FAILED; | |
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); | |
2283 | if ((type == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK) && | |
2284 | (scsi_lookup->msix_io < ioc->reply_queue_count)) | |
2285 | msix_task = scsi_lookup->msix_io; | |
2286 | else | |
2287 | msix_task = 0; | |
2288 | mpt3sas_base_put_smid_hi_priority(ioc, smid, msix_task); | |
2289 | wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ); | |
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)) { | |
2296 | rc = mpt3sas_base_hard_reset_handler(ioc, | |
2297 | FORCE_BIG_HAMMER); | |
2298 | rc = (!rc) ? SUCCESS : FAILED; | |
2299 | goto out; | |
2300 | } | |
2301 | } | |
2302 | ||
2303 | /* sync IRQs in case those were busy during flush. */ | |
2304 | mpt3sas_base_sync_reply_irqs(ioc); | |
2305 | ||
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 | ||
2351 | out: | |
2352 | mpt3sas_scsih_clear_tm_flag(ioc, handle); | |
2353 | ioc->tm_cmds.status = MPT3_CMD_NOT_USED; | |
2354 | return rc; | |
2355 | } | |
2356 | ||
2357 | int 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; | |
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 | */ | |
2377 | static 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; | |
2388 | if (ioc->hide_ir_msg) | |
2389 | device_str = "WarpDrive"; | |
2390 | else | |
2391 | device_str = "volume"; | |
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); | |
2401 | sas_device = __mpt3sas_get_sdev_from_target(ioc, priv_target); | |
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); | |
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); | |
2422 | if (sas_device->connector_name[0] != '\0') | |
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); | |
2427 | ||
2428 | sas_device_put(sas_device); | |
2429 | } | |
2430 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
2431 | } | |
2432 | } | |
2433 | ||
2434 | /** | |
2435 | * scsih_abort - eh threads main abort routine | |
2436 | * @scmd: pointer to scsi command object | |
2437 | * | |
2438 | * Returns SUCCESS if command aborted else FAILED | |
2439 | */ | |
2440 | static int | |
2441 | scsih_abort(struct scsi_cmnd *scmd) | |
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; | |
2483 | r = mpt3sas_scsih_issue_locked_tm(ioc, handle, scmd->device->channel, | |
2484 | scmd->device->id, scmd->device->lun, | |
2485 | MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30); | |
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 | /** | |
2494 | * scsih_dev_reset - eh threads main device reset routine | |
2495 | * @scmd: pointer to scsi command object | |
2496 | * | |
2497 | * Returns SUCCESS if command aborted else FAILED | |
2498 | */ | |
2499 | static int | |
2500 | scsih_dev_reset(struct scsi_cmnd *scmd) | |
2501 | { | |
2502 | struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host); | |
2503 | struct MPT3SAS_DEVICE *sas_device_priv_data; | |
2504 | struct _sas_device *sas_device = NULL; | |
2505 | u16 handle; | |
2506 | int r; | |
2507 | ||
2508 | struct scsi_target *starget = scmd->device->sdev_target; | |
2509 | struct MPT3SAS_TARGET *target_priv_data = starget->hostdata; | |
2510 | ||
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) { | |
2529 | sas_device = mpt3sas_get_sdev_from_target(ioc, | |
2530 | target_priv_data); | |
2531 | if (sas_device) | |
2532 | handle = sas_device->volume_handle; | |
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 | ||
2542 | r = mpt3sas_scsih_issue_locked_tm(ioc, handle, scmd->device->channel, | |
2543 | scmd->device->id, scmd->device->lun, | |
2544 | MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 0, 30); | |
2545 | ||
2546 | out: | |
2547 | sdev_printk(KERN_INFO, scmd->device, "device reset: %s scmd(%p)\n", | |
2548 | ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); | |
2549 | ||
2550 | if (sas_device) | |
2551 | sas_device_put(sas_device); | |
2552 | ||
2553 | return r; | |
2554 | } | |
2555 | ||
2556 | /** | |
2557 | * scsih_target_reset - eh threads main target reset routine | |
2558 | * @scmd: pointer to scsi command object | |
2559 | * | |
2560 | * Returns SUCCESS if command aborted else FAILED | |
2561 | */ | |
2562 | static int | |
2563 | scsih_target_reset(struct scsi_cmnd *scmd) | |
2564 | { | |
2565 | struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host); | |
2566 | struct MPT3SAS_DEVICE *sas_device_priv_data; | |
2567 | struct _sas_device *sas_device = NULL; | |
2568 | u16 handle; | |
2569 | int r; | |
2570 | struct scsi_target *starget = scmd->device->sdev_target; | |
2571 | struct MPT3SAS_TARGET *target_priv_data = starget->hostdata; | |
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) { | |
2591 | sas_device = mpt3sas_get_sdev_from_target(ioc, | |
2592 | target_priv_data); | |
2593 | if (sas_device) | |
2594 | handle = sas_device->volume_handle; | |
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 | ||
2604 | r = mpt3sas_scsih_issue_locked_tm(ioc, handle, scmd->device->channel, | |
2605 | scmd->device->id, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, | |
2606 | 30); | |
2607 | ||
2608 | out: | |
2609 | starget_printk(KERN_INFO, starget, "target reset: %s scmd(%p)\n", | |
2610 | ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); | |
2611 | ||
2612 | if (sas_device) | |
2613 | sas_device_put(sas_device); | |
2614 | ||
2615 | return r; | |
2616 | } | |
2617 | ||
2618 | ||
2619 | /** | |
2620 | * scsih_host_reset - eh threads main host reset routine | |
2621 | * @scmd: pointer to scsi command object | |
2622 | * | |
2623 | * Returns SUCCESS if command aborted else FAILED | |
2624 | */ | |
2625 | static int | |
2626 | scsih_host_reset(struct scsi_cmnd *scmd) | |
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 | ||
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 | ||
2642 | retval = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); | |
2643 | r = (retval < 0) ? FAILED : SUCCESS; | |
2644 | out: | |
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 | */ | |
2662 | static 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); | |
2671 | fw_event_work_get(fw_event); | |
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); | |
2675 | fw_event_work_get(fw_event); | |
2676 | queue_work(ioc->firmware_event_thread, &fw_event->work); | |
2677 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
2678 | } | |
2679 | ||
2680 | /** | |
2681 | * _scsih_fw_event_del_from_list - delete fw_event from the list | |
2682 | * @ioc: per adapter object | |
2683 | * @fw_event: object describing the event | |
2684 | * Context: This function will acquire ioc->fw_event_lock. | |
2685 | * | |
2686 | * If the fw_event is on the fw_event_list, remove it and do a put. | |
2687 | * | |
2688 | * Return nothing. | |
2689 | */ | |
2690 | static void | |
2691 | _scsih_fw_event_del_from_list(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work | |
2692 | *fw_event) | |
2693 | { | |
2694 | unsigned long flags; | |
2695 | ||
2696 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
2697 | if (!list_empty(&fw_event->list)) { | |
2698 | list_del_init(&fw_event->list); | |
2699 | fw_event_work_put(fw_event); | |
2700 | } | |
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 | */ | |
2712 | void | |
2713 | mpt3sas_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; | |
2717 | u16 sz; | |
2718 | ||
2719 | if (ioc->is_driver_loading) | |
2720 | return; | |
2721 | sz = sizeof(*event_data); | |
2722 | fw_event = alloc_fw_event_work(sz); | |
2723 | if (!fw_event) | |
2724 | return; | |
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); | |
2729 | fw_event_work_put(fw_event); | |
2730 | } | |
2731 | ||
2732 | /** | |
2733 | * _scsih_error_recovery_delete_devices - remove devices not responding | |
2734 | * @ioc: per adapter object | |
2735 | * | |
2736 | * Return nothing. | |
2737 | */ | |
2738 | static 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; | |
2745 | fw_event = alloc_fw_event_work(0); | |
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); | |
2751 | fw_event_work_put(fw_event); | |
2752 | } | |
2753 | ||
2754 | /** | |
2755 | * mpt3sas_port_enable_complete - port enable completed (fake event) | |
2756 | * @ioc: per adapter object | |
2757 | * | |
2758 | * Return nothing. | |
2759 | */ | |
2760 | void | |
2761 | mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc) | |
2762 | { | |
2763 | struct fw_event_work *fw_event; | |
2764 | ||
2765 | fw_event = alloc_fw_event_work(0); | |
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); | |
2771 | fw_event_work_put(fw_event); | |
2772 | } | |
2773 | ||
2774 | static 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; | |
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 | */ | |
2799 | static void | |
2800 | _scsih_fw_event_cleanup_queue(struct MPT3SAS_ADAPTER *ioc) | |
2801 | { | |
2802 | struct fw_event_work *fw_event; | |
2803 | ||
2804 | if (list_empty(&ioc->fw_event_list) || | |
2805 | !ioc->firmware_event_thread || in_interrupt()) | |
2806 | return; | |
2807 | ||
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 | |
2812 | * reference the work had on the fw_event. | |
2813 | * | |
2814 | * If it did execute, we wait for it to finish, and the put will | |
2815 | * happen from _firmware_event_work() | |
2816 | */ | |
2817 | if (cancel_work_sync(&fw_event->work)) | |
2818 | fw_event_work_put(fw_event); | |
2819 | ||
2820 | fw_event_work_put(fw_event); | |
2821 | } | |
2822 | } | |
2823 | ||
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 | */ | |
2832 | static 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", | |
2846 | r, sas_device_priv_data->sas_target->handle); | |
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 | ||
2857 | static 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", | |
2876 | r, sas_device_priv_data->sas_target->handle); | |
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", | |
2882 | r, sas_device_priv_data->sas_target->handle); | |
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", | |
2889 | r, sas_device_priv_data->sas_target->handle); | |
2890 | } | |
2891 | } | |
2892 | ||
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 | */ | |
2899 | static 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 | ||
2912 | dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, | |
2913 | "device_running, handle(0x%04x)\n", | |
2914 | sas_device_priv_data->sas_target->handle)); | |
2915 | _scsih_internal_device_unblock(sdev, sas_device_priv_data); | |
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 | */ | |
2927 | static 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; | |
2940 | if (sas_device_priv_data->block) | |
2941 | _scsih_internal_device_unblock(sdev, | |
2942 | sas_device_priv_data); | |
2943 | } | |
2944 | } | |
2945 | ||
2946 | /** | |
2947 | * _scsih_block_io_all_device - set the device state to SDEV_BLOCK | |
2948 | * @ioc: per adapter object | |
2949 | * @handle: device handle | |
2950 | * | |
2951 | * During device pull we need to appropiately set the sdev state. | |
2952 | */ | |
2953 | static 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; | |
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 | } | |
2971 | _scsih_internal_device_block(sdev, sas_device_priv_data); | |
2972 | } | |
2973 | } | |
2974 | ||
2975 | /** | |
2976 | * _scsih_block_io_device - set the device state to SDEV_BLOCK | |
2977 | * @ioc: per adapter object | |
2978 | * @handle: device handle | |
2979 | * | |
2980 | * During device pull we need to appropiately set the sdev state. | |
2981 | */ | |
2982 | static 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; | |
2987 | struct _sas_device *sas_device; | |
2988 | ||
2989 | sas_device = mpt3sas_get_sdev_by_handle(ioc, handle); | |
2990 | if (!sas_device) | |
2991 | return; | |
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; | |
3001 | if (sas_device->pend_sas_rphy_add) | |
3002 | continue; | |
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 | } | |
3009 | _scsih_internal_device_block(sdev, sas_device_priv_data); | |
3010 | } | |
3011 | ||
3012 | sas_device_put(sas_device); | |
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 | */ | |
3024 | static 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); | |
3041 | sas_device = __mpt3sas_get_sdev_by_addr(ioc, | |
3042 | mpt3sas_port->remote_identify.sas_address); | |
3043 | if (sas_device) { | |
3044 | set_bit(sas_device->handle, | |
3045 | ioc->blocking_handles); | |
3046 | sas_device_put(sas_device); | |
3047 | } | |
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 | */ | |
3076 | static 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; | |
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; | |
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 | */ | |
3110 | static void | |
3111 | _scsih_tm_tr_send(struct MPT3SAS_ADAPTER *ioc, u16 handle) | |
3112 | { | |
3113 | Mpi2SCSITaskManagementRequest_t *mpi_request; | |
3114 | u16 smid; | |
3115 | struct _sas_device *sas_device = NULL; | |
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 | ||
3147 | clear_bit(handle, ioc->pend_os_device_add); | |
3148 | ||
3149 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
3150 | sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle); | |
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)); | |
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)); | |
3170 | if (sas_device->connector_name[0] != '\0') | |
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)); | |
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) | |
3184 | goto out; | |
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)); | |
3191 | goto out; | |
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; | |
3203 | set_bit(handle, ioc->device_remove_in_progress); | |
3204 | mpt3sas_base_put_smid_hi_priority(ioc, smid, 0); | |
3205 | mpt3sas_trigger_master(ioc, MASTER_TRIGGER_DEVICE_REMOVAL); | |
3206 | ||
3207 | out: | |
3208 | if (sas_device) | |
3209 | sas_device_put(sas_device); | |
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 | */ | |
3228 | static 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; | |
3239 | struct _sc_list *delayed_sc; | |
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) { | |
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); | |
3292 | } | |
3293 | ||
3294 | dewtprintk(ioc, pr_info(MPT3SAS_FMT | |
3295 | "sc_send:handle(0x%04x), (open), smid(%d), cb(%d)\n", | |
3296 | ioc->name, handle, smid_sas_ctrl, | |
3297 | ioc->tm_sas_control_cb_idx)); | |
3298 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid_sas_ctrl); | |
3299 | memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t)); | |
3300 | mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL; | |
3301 | mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE; | |
3302 | mpi_request->DevHandle = mpi_request_tm->DevHandle; | |
3303 | mpt3sas_base_put_smid_default(ioc, smid_sas_ctrl); | |
3304 | ||
3305 | return _scsih_check_for_pending_tm(ioc, smid); | |
3306 | } | |
3307 | ||
3308 | ||
3309 | /** | |
3310 | * _scsih_sas_control_complete - completion routine | |
3311 | * @ioc: per adapter object | |
3312 | * @smid: system request message index | |
3313 | * @msix_index: MSIX table index supplied by the OS | |
3314 | * @reply: reply message frame(lower 32bit addr) | |
3315 | * Context: interrupt time. | |
3316 | * | |
3317 | * This is the sas iounit control completion routine. | |
3318 | * This code is part of the code to initiate the device removal | |
3319 | * handshake protocol with controller firmware. | |
3320 | * | |
3321 | * Return 1 meaning mf should be freed from _base_interrupt | |
3322 | * 0 means the mf is freed from this function. | |
3323 | */ | |
3324 | static u8 | |
3325 | _scsih_sas_control_complete(struct MPT3SAS_ADAPTER *ioc, u16 smid, | |
3326 | u8 msix_index, u32 reply) | |
3327 | { | |
3328 | Mpi2SasIoUnitControlReply_t *mpi_reply = | |
3329 | mpt3sas_base_get_reply_virt_addr(ioc, reply); | |
3330 | ||
3331 | if (likely(mpi_reply)) { | |
3332 | dewtprintk(ioc, pr_info(MPT3SAS_FMT | |
3333 | "sc_complete:handle(0x%04x), (open) " | |
3334 | "smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n", | |
3335 | ioc->name, le16_to_cpu(mpi_reply->DevHandle), smid, | |
3336 | le16_to_cpu(mpi_reply->IOCStatus), | |
3337 | le32_to_cpu(mpi_reply->IOCLogInfo))); | |
3338 | 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 | } | |
3343 | } else { | |
3344 | pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n", | |
3345 | ioc->name, __FILE__, __LINE__, __func__); | |
3346 | } | |
3347 | return mpt3sas_check_for_pending_internal_cmds(ioc, smid); | |
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 | */ | |
3360 | static 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; | |
3398 | mpt3sas_base_put_smid_hi_priority(ioc, smid, 0); | |
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 | */ | |
3412 | static 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 | ||
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 | */ | |
3463 | static void | |
3464 | _scsih_issue_delayed_event_ack(struct MPT3SAS_ADAPTER *ioc, u16 smid, u16 event, | |
3465 | u32 event_context) | |
3466 | { | |
3467 | Mpi2EventAckRequest_t *ack_request; | |
3468 | int i = smid - ioc->internal_smid; | |
3469 | unsigned long flags; | |
3470 | ||
3471 | /* Without releasing the smid just update the | |
3472 | * call back index and reuse the same smid for | |
3473 | * processing this delayed request | |
3474 | */ | |
3475 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
3476 | ioc->internal_lookup[i].cb_idx = ioc->base_cb_idx; | |
3477 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
3478 | ||
3479 | dewtprintk(ioc, pr_info(MPT3SAS_FMT | |
3480 | "EVENT ACK: event(0x%04x), smid(%d), cb(%d)\n", | |
3481 | ioc->name, le16_to_cpu(event), smid, | |
3482 | ioc->base_cb_idx)); | |
3483 | ack_request = mpt3sas_base_get_msg_frame(ioc, smid); | |
3484 | memset(ack_request, 0, sizeof(Mpi2EventAckRequest_t)); | |
3485 | ack_request->Function = MPI2_FUNCTION_EVENT_ACK; | |
3486 | ack_request->Event = event; | |
3487 | ack_request->EventContext = event_context; | |
3488 | ack_request->VF_ID = 0; /* TODO */ | |
3489 | ack_request->VP_ID = 0; | |
3490 | mpt3sas_base_put_smid_default(ioc, smid); | |
3491 | } | |
3492 | ||
3493 | /** | |
3494 | * _scsih_issue_delayed_sas_io_unit_ctrl - issue delayed | |
3495 | * sas_io_unit_ctrl messages | |
3496 | * @ioc: per adapter object | |
3497 | * @smid: system request message index | |
3498 | * @handle: device handle | |
3499 | * | |
3500 | * Context - processed in interrupt context. | |
3501 | */ | |
3502 | static void | |
3503 | _scsih_issue_delayed_sas_io_unit_ctrl(struct MPT3SAS_ADAPTER *ioc, | |
3504 | u16 smid, u16 handle) | |
3505 | { | |
3506 | Mpi2SasIoUnitControlRequest_t *mpi_request; | |
3507 | u32 ioc_state; | |
3508 | int i = smid - ioc->internal_smid; | |
3509 | unsigned long flags; | |
3510 | ||
3511 | if (ioc->remove_host) { | |
3512 | dewtprintk(ioc, pr_info(MPT3SAS_FMT | |
3513 | "%s: host has been removed\n", | |
3514 | __func__, ioc->name)); | |
3515 | return; | |
3516 | } else if (ioc->pci_error_recovery) { | |
3517 | dewtprintk(ioc, pr_info(MPT3SAS_FMT | |
3518 | "%s: host in pci error recovery\n", | |
3519 | __func__, ioc->name)); | |
3520 | return; | |
3521 | } | |
3522 | ioc_state = mpt3sas_base_get_iocstate(ioc, 1); | |
3523 | if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
3524 | dewtprintk(ioc, pr_info(MPT3SAS_FMT | |
3525 | "%s: host is not operational\n", | |
3526 | __func__, ioc->name)); | |
3527 | return; | |
3528 | } | |
3529 | ||
3530 | /* Without releasing the smid just update the | |
3531 | * call back index and reuse the same smid for | |
3532 | * processing this delayed request | |
3533 | */ | |
3534 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
3535 | ioc->internal_lookup[i].cb_idx = ioc->tm_sas_control_cb_idx; | |
3536 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
3537 | ||
3538 | dewtprintk(ioc, pr_info(MPT3SAS_FMT | |
3539 | "sc_send:handle(0x%04x), (open), smid(%d), cb(%d)\n", | |
3540 | ioc->name, le16_to_cpu(handle), smid, | |
3541 | ioc->tm_sas_control_cb_idx)); | |
3542 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); | |
3543 | memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t)); | |
3544 | mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL; | |
3545 | mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE; | |
3546 | mpi_request->DevHandle = handle; | |
3547 | mpt3sas_base_put_smid_default(ioc, smid); | |
3548 | } | |
3549 | ||
3550 | /** | |
3551 | * _scsih_check_for_pending_internal_cmds - check for pending internal messages | |
3552 | * @ioc: per adapter object | |
3553 | * @smid: system request message index | |
3554 | * | |
3555 | * Context: Executed in interrupt context | |
3556 | * | |
3557 | * This will check delayed internal messages list, and process the | |
3558 | * next request. | |
3559 | * | |
3560 | * Return 1 meaning mf should be freed from _base_interrupt | |
3561 | * 0 means the mf is freed from this function. | |
3562 | */ | |
3563 | u8 | |
3564 | mpt3sas_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 | } | |
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 | */ | |
3602 | static 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 | */ | |
3643 | static 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; | |
3696 | local_event_data = (Mpi2EventDataSasTopologyChangeList_t *) | |
3697 | fw_event->event_data; | |
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 | */ | |
3720 | static 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); | |
3728 | raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle); | |
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 | */ | |
3752 | static 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 | */ | |
3777 | static 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 | ||
3789 | if (ioc->is_warpdrive) | |
3790 | return; | |
3791 | ||
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 | */ | |
3862 | static 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 | ||
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 | */ | |
3885 | static 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 | ||
3902 | /** | |
3903 | * _scsih_flush_running_cmds - completing outstanding commands. | |
3904 | * @ioc: per adapter object | |
3905 | * | |
3906 | * The flushing out of all pending scmd commands following host reset, | |
3907 | * where all IO is dropped to the floor. | |
3908 | * | |
3909 | * Return nothing. | |
3910 | */ | |
3911 | static void | |
3912 | _scsih_flush_running_cmds(struct MPT3SAS_ADAPTER *ioc) | |
3913 | { | |
3914 | struct scsi_cmnd *scmd; | |
3915 | u16 smid; | |
3916 | u16 count = 0; | |
3917 | ||
3918 | for (smid = 1; smid <= ioc->scsiio_depth; smid++) { | |
3919 | scmd = _scsih_scsi_lookup_get_clear(ioc, smid); | |
3920 | if (!scmd) | |
3921 | continue; | |
3922 | count++; | |
3923 | mpt3sas_base_free_smid(ioc, smid); | |
3924 | scsi_dma_unmap(scmd); | |
3925 | if (ioc->pci_error_recovery) | |
3926 | scmd->result = DID_NO_CONNECT << 16; | |
3927 | else | |
3928 | scmd->result = DID_RESET << 16; | |
3929 | scmd->scsi_done(scmd); | |
3930 | } | |
3931 | dtmprintk(ioc, pr_info(MPT3SAS_FMT "completing %d cmds\n", | |
3932 | ioc->name, count)); | |
3933 | } | |
3934 | ||
3935 | /** | |
3936 | * _scsih_setup_eedp - setup MPI request for EEDP transfer | |
3937 | * @ioc: per adapter object | |
3938 | * @scmd: pointer to scsi command object | |
3939 | * @mpi_request: pointer to the SCSI_IO reqest message frame | |
3940 | * | |
3941 | * Supporting protection 1 and 3. | |
3942 | * | |
3943 | * Returns nothing | |
3944 | */ | |
3945 | static void | |
3946 | _scsih_setup_eedp(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, | |
3947 | Mpi2SCSIIORequest_t *mpi_request) | |
3948 | { | |
3949 | u16 eedp_flags; | |
3950 | unsigned char prot_op = scsi_get_prot_op(scmd); | |
3951 | unsigned char prot_type = scsi_get_prot_type(scmd); | |
3952 | Mpi25SCSIIORequest_t *mpi_request_3v = | |
3953 | (Mpi25SCSIIORequest_t *)mpi_request; | |
3954 | ||
3955 | if (prot_type == SCSI_PROT_DIF_TYPE0 || prot_op == SCSI_PROT_NORMAL) | |
3956 | return; | |
3957 | ||
3958 | if (prot_op == SCSI_PROT_READ_STRIP) | |
3959 | eedp_flags = MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP; | |
3960 | else if (prot_op == SCSI_PROT_WRITE_INSERT) | |
3961 | eedp_flags = MPI2_SCSIIO_EEDPFLAGS_INSERT_OP; | |
3962 | else | |
3963 | return; | |
3964 | ||
3965 | switch (prot_type) { | |
3966 | case SCSI_PROT_DIF_TYPE1: | |
3967 | case SCSI_PROT_DIF_TYPE2: | |
3968 | ||
3969 | /* | |
3970 | * enable ref/guard checking | |
3971 | * auto increment ref tag | |
3972 | */ | |
3973 | eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG | | |
3974 | MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG | | |
3975 | MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD; | |
3976 | mpi_request->CDB.EEDP32.PrimaryReferenceTag = | |
3977 | cpu_to_be32(scsi_prot_ref_tag(scmd)); | |
3978 | break; | |
3979 | ||
3980 | case SCSI_PROT_DIF_TYPE3: | |
3981 | ||
3982 | /* | |
3983 | * enable guard checking | |
3984 | */ | |
3985 | eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD; | |
3986 | ||
3987 | break; | |
3988 | } | |
3989 | ||
3990 | mpi_request_3v->EEDPBlockSize = | |
3991 | cpu_to_le16(scmd->device->sector_size); | |
3992 | mpi_request->EEDPFlags = cpu_to_le16(eedp_flags); | |
3993 | } | |
3994 | ||
3995 | /** | |
3996 | * _scsih_eedp_error_handling - return sense code for EEDP errors | |
3997 | * @scmd: pointer to scsi command object | |
3998 | * @ioc_status: ioc status | |
3999 | * | |
4000 | * Returns nothing | |
4001 | */ | |
4002 | static void | |
4003 | _scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status) | |
4004 | { | |
4005 | u8 ascq; | |
4006 | ||
4007 | switch (ioc_status) { | |
4008 | case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: | |
4009 | ascq = 0x01; | |
4010 | break; | |
4011 | case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: | |
4012 | ascq = 0x02; | |
4013 | break; | |
4014 | case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: | |
4015 | ascq = 0x03; | |
4016 | break; | |
4017 | default: | |
4018 | ascq = 0x00; | |
4019 | break; | |
4020 | } | |
4021 | scsi_build_sense_buffer(0, scmd->sense_buffer, ILLEGAL_REQUEST, 0x10, | |
4022 | ascq); | |
4023 | scmd->result = DRIVER_SENSE << 24 | (DID_ABORT << 16) | | |
4024 | SAM_STAT_CHECK_CONDITION; | |
4025 | } | |
4026 | ||
4027 | ||
4028 | ||
4029 | /** | |
4030 | * scsih_qcmd - main scsi request entry point | |
4031 | * @scmd: pointer to scsi command object | |
4032 | * @done: function pointer to be invoked on completion | |
4033 | * | |
4034 | * The callback index is set inside `ioc->scsi_io_cb_idx`. | |
4035 | * | |
4036 | * Returns 0 on success. If there's a failure, return either: | |
4037 | * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or | |
4038 | * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full | |
4039 | */ | |
4040 | static int | |
4041 | scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd) | |
4042 | { | |
4043 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
4044 | struct MPT3SAS_DEVICE *sas_device_priv_data; | |
4045 | struct MPT3SAS_TARGET *sas_target_priv_data; | |
4046 | struct _raid_device *raid_device; | |
4047 | Mpi2SCSIIORequest_t *mpi_request; | |
4048 | u32 mpi_control; | |
4049 | u16 smid; | |
4050 | u16 handle; | |
4051 | ||
4052 | if (ioc->logging_level & MPT_DEBUG_SCSI) | |
4053 | scsi_print_command(scmd); | |
4054 | ||
4055 | sas_device_priv_data = scmd->device->hostdata; | |
4056 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { | |
4057 | scmd->result = DID_NO_CONNECT << 16; | |
4058 | scmd->scsi_done(scmd); | |
4059 | return 0; | |
4060 | } | |
4061 | ||
4062 | if (ioc->pci_error_recovery || ioc->remove_host) { | |
4063 | scmd->result = DID_NO_CONNECT << 16; | |
4064 | scmd->scsi_done(scmd); | |
4065 | return 0; | |
4066 | } | |
4067 | ||
4068 | sas_target_priv_data = sas_device_priv_data->sas_target; | |
4069 | ||
4070 | /* invalid device handle */ | |
4071 | handle = sas_target_priv_data->handle; | |
4072 | if (handle == MPT3SAS_INVALID_DEVICE_HANDLE) { | |
4073 | scmd->result = DID_NO_CONNECT << 16; | |
4074 | scmd->scsi_done(scmd); | |
4075 | return 0; | |
4076 | } | |
4077 | ||
4078 | ||
4079 | /* host recovery or link resets sent via IOCTLs */ | |
4080 | if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress) | |
4081 | return SCSI_MLQUEUE_HOST_BUSY; | |
4082 | ||
4083 | /* device has been deleted */ | |
4084 | else if (sas_target_priv_data->deleted) { | |
4085 | scmd->result = DID_NO_CONNECT << 16; | |
4086 | scmd->scsi_done(scmd); | |
4087 | return 0; | |
4088 | /* device busy with task managment */ | |
4089 | } else if (sas_target_priv_data->tm_busy || | |
4090 | sas_device_priv_data->block) | |
4091 | return SCSI_MLQUEUE_DEVICE_BUSY; | |
4092 | ||
4093 | if (scmd->sc_data_direction == DMA_FROM_DEVICE) | |
4094 | mpi_control = MPI2_SCSIIO_CONTROL_READ; | |
4095 | else if (scmd->sc_data_direction == DMA_TO_DEVICE) | |
4096 | mpi_control = MPI2_SCSIIO_CONTROL_WRITE; | |
4097 | else | |
4098 | mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER; | |
4099 | ||
4100 | /* set tags */ | |
4101 | mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ; | |
4102 | ||
4103 | /* Make sure Device is not raid volume. | |
4104 | * We do not expose raid functionality to upper layer for warpdrive. | |
4105 | */ | |
4106 | if (!ioc->is_warpdrive && !scsih_is_raid(&scmd->device->sdev_gendev) | |
4107 | && sas_is_tlr_enabled(scmd->device) && scmd->cmd_len != 32) | |
4108 | mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON; | |
4109 | ||
4110 | smid = mpt3sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd); | |
4111 | if (!smid) { | |
4112 | pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", | |
4113 | ioc->name, __func__); | |
4114 | goto out; | |
4115 | } | |
4116 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); | |
4117 | memset(mpi_request, 0, sizeof(Mpi2SCSIIORequest_t)); | |
4118 | _scsih_setup_eedp(ioc, scmd, mpi_request); | |
4119 | ||
4120 | if (scmd->cmd_len == 32) | |
4121 | mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT; | |
4122 | mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; | |
4123 | if (sas_device_priv_data->sas_target->flags & | |
4124 | MPT_TARGET_FLAGS_RAID_COMPONENT) | |
4125 | mpi_request->Function = MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; | |
4126 | else | |
4127 | mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; | |
4128 | mpi_request->DevHandle = cpu_to_le16(handle); | |
4129 | mpi_request->DataLength = cpu_to_le32(scsi_bufflen(scmd)); | |
4130 | mpi_request->Control = cpu_to_le32(mpi_control); | |
4131 | mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len); | |
4132 | mpi_request->MsgFlags = MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR; | |
4133 | mpi_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE; | |
4134 | mpi_request->SenseBufferLowAddress = | |
4135 | mpt3sas_base_get_sense_buffer_dma(ioc, smid); | |
4136 | mpi_request->SGLOffset0 = offsetof(Mpi2SCSIIORequest_t, SGL) / 4; | |
4137 | int_to_scsilun(sas_device_priv_data->lun, (struct scsi_lun *) | |
4138 | mpi_request->LUN); | |
4139 | memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len); | |
4140 | ||
4141 | if (mpi_request->DataLength) { | |
4142 | if (ioc->build_sg_scmd(ioc, scmd, smid)) { | |
4143 | mpt3sas_base_free_smid(ioc, smid); | |
4144 | goto out; | |
4145 | } | |
4146 | } else | |
4147 | ioc->build_zero_len_sge(ioc, &mpi_request->SGL); | |
4148 | ||
4149 | raid_device = sas_target_priv_data->raid_device; | |
4150 | if (raid_device && raid_device->direct_io_enabled) | |
4151 | mpt3sas_setup_direct_io(ioc, scmd, raid_device, mpi_request, | |
4152 | smid); | |
4153 | ||
4154 | if (likely(mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST)) { | |
4155 | if (sas_target_priv_data->flags & MPT_TARGET_FASTPATH_IO) { | |
4156 | mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len | | |
4157 | MPI25_SCSIIO_IOFLAGS_FAST_PATH); | |
4158 | mpt3sas_base_put_smid_fast_path(ioc, smid, handle); | |
4159 | } else | |
4160 | mpt3sas_base_put_smid_scsi_io(ioc, smid, | |
4161 | le16_to_cpu(mpi_request->DevHandle)); | |
4162 | } else | |
4163 | mpt3sas_base_put_smid_default(ioc, smid); | |
4164 | return 0; | |
4165 | ||
4166 | out: | |
4167 | return SCSI_MLQUEUE_HOST_BUSY; | |
4168 | } | |
4169 | ||
4170 | /** | |
4171 | * _scsih_normalize_sense - normalize descriptor and fixed format sense data | |
4172 | * @sense_buffer: sense data returned by target | |
4173 | * @data: normalized skey/asc/ascq | |
4174 | * | |
4175 | * Return nothing. | |
4176 | */ | |
4177 | static void | |
4178 | _scsih_normalize_sense(char *sense_buffer, struct sense_info *data) | |
4179 | { | |
4180 | if ((sense_buffer[0] & 0x7F) >= 0x72) { | |
4181 | /* descriptor format */ | |
4182 | data->skey = sense_buffer[1] & 0x0F; | |
4183 | data->asc = sense_buffer[2]; | |
4184 | data->ascq = sense_buffer[3]; | |
4185 | } else { | |
4186 | /* fixed format */ | |
4187 | data->skey = sense_buffer[2] & 0x0F; | |
4188 | data->asc = sense_buffer[12]; | |
4189 | data->ascq = sense_buffer[13]; | |
4190 | } | |
4191 | } | |
4192 | ||
4193 | /** | |
4194 | * _scsih_scsi_ioc_info - translated non-succesfull SCSI_IO request | |
4195 | * @ioc: per adapter object | |
4196 | * @scmd: pointer to scsi command object | |
4197 | * @mpi_reply: reply mf payload returned from firmware | |
4198 | * | |
4199 | * scsi_status - SCSI Status code returned from target device | |
4200 | * scsi_state - state info associated with SCSI_IO determined by ioc | |
4201 | * ioc_status - ioc supplied status info | |
4202 | * | |
4203 | * Return nothing. | |
4204 | */ | |
4205 | static void | |
4206 | _scsih_scsi_ioc_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, | |
4207 | Mpi2SCSIIOReply_t *mpi_reply, u16 smid) | |
4208 | { | |
4209 | u32 response_info; | |
4210 | u8 *response_bytes; | |
4211 | u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & | |
4212 | MPI2_IOCSTATUS_MASK; | |
4213 | u8 scsi_state = mpi_reply->SCSIState; | |
4214 | u8 scsi_status = mpi_reply->SCSIStatus; | |
4215 | char *desc_ioc_state = NULL; | |
4216 | char *desc_scsi_status = NULL; | |
4217 | char *desc_scsi_state = ioc->tmp_string; | |
4218 | u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo); | |
4219 | struct _sas_device *sas_device = NULL; | |
4220 | struct scsi_target *starget = scmd->device->sdev_target; | |
4221 | struct MPT3SAS_TARGET *priv_target = starget->hostdata; | |
4222 | char *device_str = NULL; | |
4223 | ||
4224 | if (!priv_target) | |
4225 | return; | |
4226 | if (ioc->hide_ir_msg) | |
4227 | device_str = "WarpDrive"; | |
4228 | else | |
4229 | device_str = "volume"; | |
4230 | ||
4231 | if (log_info == 0x31170000) | |
4232 | return; | |
4233 | ||
4234 | switch (ioc_status) { | |
4235 | case MPI2_IOCSTATUS_SUCCESS: | |
4236 | desc_ioc_state = "success"; | |
4237 | break; | |
4238 | case MPI2_IOCSTATUS_INVALID_FUNCTION: | |
4239 | desc_ioc_state = "invalid function"; | |
4240 | break; | |
4241 | case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: | |
4242 | desc_ioc_state = "scsi recovered error"; | |
4243 | break; | |
4244 | case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE: | |
4245 | desc_ioc_state = "scsi invalid dev handle"; | |
4246 | break; | |
4247 | case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: | |
4248 | desc_ioc_state = "scsi device not there"; | |
4249 | break; | |
4250 | case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: | |
4251 | desc_ioc_state = "scsi data overrun"; | |
4252 | break; | |
4253 | case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: | |
4254 | desc_ioc_state = "scsi data underrun"; | |
4255 | break; | |
4256 | case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: | |
4257 | desc_ioc_state = "scsi io data error"; | |
4258 | break; | |
4259 | case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: | |
4260 | desc_ioc_state = "scsi protocol error"; | |
4261 | break; | |
4262 | case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: | |
4263 | desc_ioc_state = "scsi task terminated"; | |
4264 | break; | |
4265 | case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: | |
4266 | desc_ioc_state = "scsi residual mismatch"; | |
4267 | break; | |
4268 | case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: | |
4269 | desc_ioc_state = "scsi task mgmt failed"; | |
4270 | break; | |
4271 | case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: | |
4272 | desc_ioc_state = "scsi ioc terminated"; | |
4273 | break; | |
4274 | case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: | |
4275 | desc_ioc_state = "scsi ext terminated"; | |
4276 | break; | |
4277 | case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: | |
4278 | desc_ioc_state = "eedp guard error"; | |
4279 | break; | |
4280 | case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: | |
4281 | desc_ioc_state = "eedp ref tag error"; | |
4282 | break; | |
4283 | case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: | |
4284 | desc_ioc_state = "eedp app tag error"; | |
4285 | break; | |
4286 | case MPI2_IOCSTATUS_INSUFFICIENT_POWER: | |
4287 | desc_ioc_state = "insufficient power"; | |
4288 | break; | |
4289 | default: | |
4290 | desc_ioc_state = "unknown"; | |
4291 | break; | |
4292 | } | |
4293 | ||
4294 | switch (scsi_status) { | |
4295 | case MPI2_SCSI_STATUS_GOOD: | |
4296 | desc_scsi_status = "good"; | |
4297 | break; | |
4298 | case MPI2_SCSI_STATUS_CHECK_CONDITION: | |
4299 | desc_scsi_status = "check condition"; | |
4300 | break; | |
4301 | case MPI2_SCSI_STATUS_CONDITION_MET: | |
4302 | desc_scsi_status = "condition met"; | |
4303 | break; | |
4304 | case MPI2_SCSI_STATUS_BUSY: | |
4305 | desc_scsi_status = "busy"; | |
4306 | break; | |
4307 | case MPI2_SCSI_STATUS_INTERMEDIATE: | |
4308 | desc_scsi_status = "intermediate"; | |
4309 | break; | |
4310 | case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET: | |
4311 | desc_scsi_status = "intermediate condmet"; | |
4312 | break; | |
4313 | case MPI2_SCSI_STATUS_RESERVATION_CONFLICT: | |
4314 | desc_scsi_status = "reservation conflict"; | |
4315 | break; | |
4316 | case MPI2_SCSI_STATUS_COMMAND_TERMINATED: | |
4317 | desc_scsi_status = "command terminated"; | |
4318 | break; | |
4319 | case MPI2_SCSI_STATUS_TASK_SET_FULL: | |
4320 | desc_scsi_status = "task set full"; | |
4321 | break; | |
4322 | case MPI2_SCSI_STATUS_ACA_ACTIVE: | |
4323 | desc_scsi_status = "aca active"; | |
4324 | break; | |
4325 | case MPI2_SCSI_STATUS_TASK_ABORTED: | |
4326 | desc_scsi_status = "task aborted"; | |
4327 | break; | |
4328 | default: | |
4329 | desc_scsi_status = "unknown"; | |
4330 | break; | |
4331 | } | |
4332 | ||
4333 | desc_scsi_state[0] = '\0'; | |
4334 | if (!scsi_state) | |
4335 | desc_scsi_state = " "; | |
4336 | if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) | |
4337 | strcat(desc_scsi_state, "response info "); | |
4338 | if (scsi_state & MPI2_SCSI_STATE_TERMINATED) | |
4339 | strcat(desc_scsi_state, "state terminated "); | |
4340 | if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS) | |
4341 | strcat(desc_scsi_state, "no status "); | |
4342 | if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED) | |
4343 | strcat(desc_scsi_state, "autosense failed "); | |
4344 | if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) | |
4345 | strcat(desc_scsi_state, "autosense valid "); | |
4346 | ||
4347 | scsi_print_command(scmd); | |
4348 | ||
4349 | if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) { | |
4350 | pr_warn(MPT3SAS_FMT "\t%s wwid(0x%016llx)\n", ioc->name, | |
4351 | device_str, (unsigned long long)priv_target->sas_address); | |
4352 | } else { | |
4353 | sas_device = mpt3sas_get_sdev_from_target(ioc, priv_target); | |
4354 | if (sas_device) { | |
4355 | pr_warn(MPT3SAS_FMT | |
4356 | "\tsas_address(0x%016llx), phy(%d)\n", | |
4357 | ioc->name, (unsigned long long) | |
4358 | sas_device->sas_address, sas_device->phy); | |
4359 | if (sas_device->enclosure_handle != 0) | |
4360 | pr_warn(MPT3SAS_FMT | |
4361 | "\tenclosure_logical_id(0x%016llx)," | |
4362 | "slot(%d)\n", ioc->name, | |
4363 | (unsigned long long) | |
4364 | sas_device->enclosure_logical_id, | |
4365 | sas_device->slot); | |
4366 | if (sas_device->connector_name[0]) | |
4367 | pr_warn(MPT3SAS_FMT | |
4368 | "\tenclosure level(0x%04x)," | |
4369 | " connector name( %s)\n", ioc->name, | |
4370 | sas_device->enclosure_level, | |
4371 | sas_device->connector_name); | |
4372 | ||
4373 | sas_device_put(sas_device); | |
4374 | } | |
4375 | } | |
4376 | ||
4377 | pr_warn(MPT3SAS_FMT | |
4378 | "\thandle(0x%04x), ioc_status(%s)(0x%04x), smid(%d)\n", | |
4379 | ioc->name, le16_to_cpu(mpi_reply->DevHandle), | |
4380 | desc_ioc_state, ioc_status, smid); | |
4381 | pr_warn(MPT3SAS_FMT | |
4382 | "\trequest_len(%d), underflow(%d), resid(%d)\n", | |
4383 | ioc->name, scsi_bufflen(scmd), scmd->underflow, | |
4384 | scsi_get_resid(scmd)); | |
4385 | pr_warn(MPT3SAS_FMT | |
4386 | "\ttag(%d), transfer_count(%d), sc->result(0x%08x)\n", | |
4387 | ioc->name, le16_to_cpu(mpi_reply->TaskTag), | |
4388 | le32_to_cpu(mpi_reply->TransferCount), scmd->result); | |
4389 | pr_warn(MPT3SAS_FMT | |
4390 | "\tscsi_status(%s)(0x%02x), scsi_state(%s)(0x%02x)\n", | |
4391 | ioc->name, desc_scsi_status, | |
4392 | scsi_status, desc_scsi_state, scsi_state); | |
4393 | ||
4394 | if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) { | |
4395 | struct sense_info data; | |
4396 | _scsih_normalize_sense(scmd->sense_buffer, &data); | |
4397 | pr_warn(MPT3SAS_FMT | |
4398 | "\t[sense_key,asc,ascq]: [0x%02x,0x%02x,0x%02x], count(%d)\n", | |
4399 | ioc->name, data.skey, | |
4400 | data.asc, data.ascq, le32_to_cpu(mpi_reply->SenseCount)); | |
4401 | } | |
4402 | ||
4403 | if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) { | |
4404 | response_info = le32_to_cpu(mpi_reply->ResponseInfo); | |
4405 | response_bytes = (u8 *)&response_info; | |
4406 | _scsih_response_code(ioc, response_bytes[0]); | |
4407 | } | |
4408 | } | |
4409 | ||
4410 | /** | |
4411 | * _scsih_turn_on_pfa_led - illuminate PFA LED | |
4412 | * @ioc: per adapter object | |
4413 | * @handle: device handle | |
4414 | * Context: process | |
4415 | * | |
4416 | * Return nothing. | |
4417 | */ | |
4418 | static void | |
4419 | _scsih_turn_on_pfa_led(struct MPT3SAS_ADAPTER *ioc, u16 handle) | |
4420 | { | |
4421 | Mpi2SepReply_t mpi_reply; | |
4422 | Mpi2SepRequest_t mpi_request; | |
4423 | struct _sas_device *sas_device; | |
4424 | ||
4425 | sas_device = mpt3sas_get_sdev_by_handle(ioc, handle); | |
4426 | if (!sas_device) | |
4427 | return; | |
4428 | ||
4429 | memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t)); | |
4430 | mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR; | |
4431 | mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS; | |
4432 | mpi_request.SlotStatus = | |
4433 | cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT); | |
4434 | mpi_request.DevHandle = cpu_to_le16(handle); | |
4435 | mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS; | |
4436 | if ((mpt3sas_base_scsi_enclosure_processor(ioc, &mpi_reply, | |
4437 | &mpi_request)) != 0) { | |
4438 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", ioc->name, | |
4439 | __FILE__, __LINE__, __func__); | |
4440 | goto out; | |
4441 | } | |
4442 | sas_device->pfa_led_on = 1; | |
4443 | ||
4444 | if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) { | |
4445 | dewtprintk(ioc, pr_info(MPT3SAS_FMT | |
4446 | "enclosure_processor: ioc_status (0x%04x), loginfo(0x%08x)\n", | |
4447 | ioc->name, le16_to_cpu(mpi_reply.IOCStatus), | |
4448 | le32_to_cpu(mpi_reply.IOCLogInfo))); | |
4449 | goto out; | |
4450 | } | |
4451 | out: | |
4452 | sas_device_put(sas_device); | |
4453 | } | |
4454 | ||
4455 | /** | |
4456 | * _scsih_turn_off_pfa_led - turn off Fault LED | |
4457 | * @ioc: per adapter object | |
4458 | * @sas_device: sas device whose PFA LED has to turned off | |
4459 | * Context: process | |
4460 | * | |
4461 | * Return nothing. | |
4462 | */ | |
4463 | static void | |
4464 | _scsih_turn_off_pfa_led(struct MPT3SAS_ADAPTER *ioc, | |
4465 | struct _sas_device *sas_device) | |
4466 | { | |
4467 | Mpi2SepReply_t mpi_reply; | |
4468 | Mpi2SepRequest_t mpi_request; | |
4469 | ||
4470 | memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t)); | |
4471 | mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR; | |
4472 | mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS; | |
4473 | mpi_request.SlotStatus = 0; | |
4474 | mpi_request.Slot = cpu_to_le16(sas_device->slot); | |
4475 | mpi_request.DevHandle = 0; | |
4476 | mpi_request.EnclosureHandle = cpu_to_le16(sas_device->enclosure_handle); | |
4477 | mpi_request.Flags = MPI2_SEP_REQ_FLAGS_ENCLOSURE_SLOT_ADDRESS; | |
4478 | if ((mpt3sas_base_scsi_enclosure_processor(ioc, &mpi_reply, | |
4479 | &mpi_request)) != 0) { | |
4480 | printk(MPT3SAS_FMT "failure at %s:%d/%s()!\n", ioc->name, | |
4481 | __FILE__, __LINE__, __func__); | |
4482 | return; | |
4483 | } | |
4484 | ||
4485 | if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) { | |
4486 | dewtprintk(ioc, printk(MPT3SAS_FMT | |
4487 | "enclosure_processor: ioc_status (0x%04x), loginfo(0x%08x)\n", | |
4488 | ioc->name, le16_to_cpu(mpi_reply.IOCStatus), | |
4489 | le32_to_cpu(mpi_reply.IOCLogInfo))); | |
4490 | return; | |
4491 | } | |
4492 | } | |
4493 | ||
4494 | /** | |
4495 | * _scsih_send_event_to_turn_on_pfa_led - fire delayed event | |
4496 | * @ioc: per adapter object | |
4497 | * @handle: device handle | |
4498 | * Context: interrupt. | |
4499 | * | |
4500 | * Return nothing. | |
4501 | */ | |
4502 | static void | |
4503 | _scsih_send_event_to_turn_on_pfa_led(struct MPT3SAS_ADAPTER *ioc, u16 handle) | |
4504 | { | |
4505 | struct fw_event_work *fw_event; | |
4506 | ||
4507 | fw_event = alloc_fw_event_work(0); | |
4508 | if (!fw_event) | |
4509 | return; | |
4510 | fw_event->event = MPT3SAS_TURN_ON_PFA_LED; | |
4511 | fw_event->device_handle = handle; | |
4512 | fw_event->ioc = ioc; | |
4513 | _scsih_fw_event_add(ioc, fw_event); | |
4514 | fw_event_work_put(fw_event); | |
4515 | } | |
4516 | ||
4517 | /** | |
4518 | * _scsih_smart_predicted_fault - process smart errors | |
4519 | * @ioc: per adapter object | |
4520 | * @handle: device handle | |
4521 | * Context: interrupt. | |
4522 | * | |
4523 | * Return nothing. | |
4524 | */ | |
4525 | static void | |
4526 | _scsih_smart_predicted_fault(struct MPT3SAS_ADAPTER *ioc, u16 handle) | |
4527 | { | |
4528 | struct scsi_target *starget; | |
4529 | struct MPT3SAS_TARGET *sas_target_priv_data; | |
4530 | Mpi2EventNotificationReply_t *event_reply; | |
4531 | Mpi2EventDataSasDeviceStatusChange_t *event_data; | |
4532 | struct _sas_device *sas_device; | |
4533 | ssize_t sz; | |
4534 | unsigned long flags; | |
4535 | ||
4536 | /* only handle non-raid devices */ | |
4537 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
4538 | sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle); | |
4539 | if (!sas_device) | |
4540 | goto out_unlock; | |
4541 | ||
4542 | starget = sas_device->starget; | |
4543 | sas_target_priv_data = starget->hostdata; | |
4544 | ||
4545 | if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) || | |
4546 | ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))) | |
4547 | goto out_unlock; | |
4548 | ||
4549 | if (sas_device->enclosure_handle != 0) | |
4550 | starget_printk(KERN_INFO, starget, "predicted fault, " | |
4551 | "enclosure logical id(0x%016llx), slot(%d)\n", | |
4552 | (unsigned long long)sas_device->enclosure_logical_id, | |
4553 | sas_device->slot); | |
4554 | if (sas_device->connector_name[0] != '\0') | |
4555 | starget_printk(KERN_WARNING, starget, "predicted fault, " | |
4556 | "enclosure level(0x%04x), connector name( %s)\n", | |
4557 | sas_device->enclosure_level, | |
4558 | sas_device->connector_name); | |
4559 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4560 | ||
4561 | if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) | |
4562 | _scsih_send_event_to_turn_on_pfa_led(ioc, handle); | |
4563 | ||
4564 | /* insert into event log */ | |
4565 | sz = offsetof(Mpi2EventNotificationReply_t, EventData) + | |
4566 | sizeof(Mpi2EventDataSasDeviceStatusChange_t); | |
4567 | event_reply = kzalloc(sz, GFP_KERNEL); | |
4568 | if (!event_reply) { | |
4569 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
4570 | ioc->name, __FILE__, __LINE__, __func__); | |
4571 | goto out; | |
4572 | } | |
4573 | ||
4574 | event_reply->Function = MPI2_FUNCTION_EVENT_NOTIFICATION; | |
4575 | event_reply->Event = | |
4576 | cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE); | |
4577 | event_reply->MsgLength = sz/4; | |
4578 | event_reply->EventDataLength = | |
4579 | cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t)/4); | |
4580 | event_data = (Mpi2EventDataSasDeviceStatusChange_t *) | |
4581 | event_reply->EventData; | |
4582 | event_data->ReasonCode = MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA; | |
4583 | event_data->ASC = 0x5D; | |
4584 | event_data->DevHandle = cpu_to_le16(handle); | |
4585 | event_data->SASAddress = cpu_to_le64(sas_target_priv_data->sas_address); | |
4586 | mpt3sas_ctl_add_to_event_log(ioc, event_reply); | |
4587 | kfree(event_reply); | |
4588 | out: | |
4589 | if (sas_device) | |
4590 | sas_device_put(sas_device); | |
4591 | return; | |
4592 | ||
4593 | out_unlock: | |
4594 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4595 | goto out; | |
4596 | } | |
4597 | ||
4598 | /** | |
4599 | * _scsih_io_done - scsi request callback | |
4600 | * @ioc: per adapter object | |
4601 | * @smid: system request message index | |
4602 | * @msix_index: MSIX table index supplied by the OS | |
4603 | * @reply: reply message frame(lower 32bit addr) | |
4604 | * | |
4605 | * Callback handler when using _scsih_qcmd. | |
4606 | * | |
4607 | * Return 1 meaning mf should be freed from _base_interrupt | |
4608 | * 0 means the mf is freed from this function. | |
4609 | */ | |
4610 | static u8 | |
4611 | _scsih_io_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) | |
4612 | { | |
4613 | Mpi2SCSIIORequest_t *mpi_request; | |
4614 | Mpi2SCSIIOReply_t *mpi_reply; | |
4615 | struct scsi_cmnd *scmd; | |
4616 | u16 ioc_status; | |
4617 | u32 xfer_cnt; | |
4618 | u8 scsi_state; | |
4619 | u8 scsi_status; | |
4620 | u32 log_info; | |
4621 | struct MPT3SAS_DEVICE *sas_device_priv_data; | |
4622 | u32 response_code = 0; | |
4623 | unsigned long flags; | |
4624 | ||
4625 | mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply); | |
4626 | scmd = _scsih_scsi_lookup_get_clear(ioc, smid); | |
4627 | if (scmd == NULL) | |
4628 | return 1; | |
4629 | ||
4630 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); | |
4631 | ||
4632 | if (mpi_reply == NULL) { | |
4633 | scmd->result = DID_OK << 16; | |
4634 | goto out; | |
4635 | } | |
4636 | ||
4637 | sas_device_priv_data = scmd->device->hostdata; | |
4638 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target || | |
4639 | sas_device_priv_data->sas_target->deleted) { | |
4640 | scmd->result = DID_NO_CONNECT << 16; | |
4641 | goto out; | |
4642 | } | |
4643 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus); | |
4644 | ||
4645 | /* | |
4646 | * WARPDRIVE: If direct_io is set then it is directIO, | |
4647 | * the failed direct I/O should be redirected to volume | |
4648 | */ | |
4649 | if (mpt3sas_scsi_direct_io_get(ioc, smid) && | |
4650 | ((ioc_status & MPI2_IOCSTATUS_MASK) | |
4651 | != MPI2_IOCSTATUS_SCSI_TASK_TERMINATED)) { | |
4652 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
4653 | ioc->scsi_lookup[smid - 1].scmd = scmd; | |
4654 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
4655 | mpt3sas_scsi_direct_io_set(ioc, smid, 0); | |
4656 | memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len); | |
4657 | mpi_request->DevHandle = | |
4658 | cpu_to_le16(sas_device_priv_data->sas_target->handle); | |
4659 | mpt3sas_base_put_smid_scsi_io(ioc, smid, | |
4660 | sas_device_priv_data->sas_target->handle); | |
4661 | return 0; | |
4662 | } | |
4663 | /* turning off TLR */ | |
4664 | scsi_state = mpi_reply->SCSIState; | |
4665 | if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) | |
4666 | response_code = | |
4667 | le32_to_cpu(mpi_reply->ResponseInfo) & 0xFF; | |
4668 | if (!sas_device_priv_data->tlr_snoop_check) { | |
4669 | sas_device_priv_data->tlr_snoop_check++; | |
4670 | if (!ioc->is_warpdrive && | |
4671 | !scsih_is_raid(&scmd->device->sdev_gendev) && | |
4672 | sas_is_tlr_enabled(scmd->device) && | |
4673 | response_code == MPI2_SCSITASKMGMT_RSP_INVALID_FRAME) { | |
4674 | sas_disable_tlr(scmd->device); | |
4675 | sdev_printk(KERN_INFO, scmd->device, "TLR disabled\n"); | |
4676 | } | |
4677 | } | |
4678 | ||
4679 | xfer_cnt = le32_to_cpu(mpi_reply->TransferCount); | |
4680 | scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt); | |
4681 | if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) | |
4682 | log_info = le32_to_cpu(mpi_reply->IOCLogInfo); | |
4683 | else | |
4684 | log_info = 0; | |
4685 | ioc_status &= MPI2_IOCSTATUS_MASK; | |
4686 | scsi_status = mpi_reply->SCSIStatus; | |
4687 | ||
4688 | if (ioc_status == MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 && | |
4689 | (scsi_status == MPI2_SCSI_STATUS_BUSY || | |
4690 | scsi_status == MPI2_SCSI_STATUS_RESERVATION_CONFLICT || | |
4691 | scsi_status == MPI2_SCSI_STATUS_TASK_SET_FULL)) { | |
4692 | ioc_status = MPI2_IOCSTATUS_SUCCESS; | |
4693 | } | |
4694 | ||
4695 | if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) { | |
4696 | struct sense_info data; | |
4697 | const void *sense_data = mpt3sas_base_get_sense_buffer(ioc, | |
4698 | smid); | |
4699 | u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE, | |
4700 | le32_to_cpu(mpi_reply->SenseCount)); | |
4701 | memcpy(scmd->sense_buffer, sense_data, sz); | |
4702 | _scsih_normalize_sense(scmd->sense_buffer, &data); | |
4703 | /* failure prediction threshold exceeded */ | |
4704 | if (data.asc == 0x5D) | |
4705 | _scsih_smart_predicted_fault(ioc, | |
4706 | le16_to_cpu(mpi_reply->DevHandle)); | |
4707 | mpt3sas_trigger_scsi(ioc, data.skey, data.asc, data.ascq); | |
4708 | ||
4709 | if ((ioc->logging_level & MPT_DEBUG_REPLY) && | |
4710 | ((scmd->sense_buffer[2] == UNIT_ATTENTION) || | |
4711 | (scmd->sense_buffer[2] == MEDIUM_ERROR) || | |
4712 | (scmd->sense_buffer[2] == HARDWARE_ERROR))) | |
4713 | _scsih_scsi_ioc_info(ioc, scmd, mpi_reply, smid); | |
4714 | } | |
4715 | switch (ioc_status) { | |
4716 | case MPI2_IOCSTATUS_BUSY: | |
4717 | case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES: | |
4718 | scmd->result = SAM_STAT_BUSY; | |
4719 | break; | |
4720 | ||
4721 | case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: | |
4722 | scmd->result = DID_NO_CONNECT << 16; | |
4723 | break; | |
4724 | ||
4725 | case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: | |
4726 | if (sas_device_priv_data->block) { | |
4727 | scmd->result = DID_TRANSPORT_DISRUPTED << 16; | |
4728 | goto out; | |
4729 | } | |
4730 | if (log_info == 0x31110630) { | |
4731 | if (scmd->retries > 2) { | |
4732 | scmd->result = DID_NO_CONNECT << 16; | |
4733 | scsi_device_set_state(scmd->device, | |
4734 | SDEV_OFFLINE); | |
4735 | } else { | |
4736 | scmd->result = DID_SOFT_ERROR << 16; | |
4737 | scmd->device->expecting_cc_ua = 1; | |
4738 | } | |
4739 | break; | |
4740 | } else if (log_info == VIRTUAL_IO_FAILED_RETRY) { | |
4741 | scmd->result = DID_RESET << 16; | |
4742 | break; | |
4743 | } | |
4744 | scmd->result = DID_SOFT_ERROR << 16; | |
4745 | break; | |
4746 | case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: | |
4747 | case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: | |
4748 | scmd->result = DID_RESET << 16; | |
4749 | break; | |
4750 | ||
4751 | case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: | |
4752 | if ((xfer_cnt == 0) || (scmd->underflow > xfer_cnt)) | |
4753 | scmd->result = DID_SOFT_ERROR << 16; | |
4754 | else | |
4755 | scmd->result = (DID_OK << 16) | scsi_status; | |
4756 | break; | |
4757 | ||
4758 | case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: | |
4759 | scmd->result = (DID_OK << 16) | scsi_status; | |
4760 | ||
4761 | if ((scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)) | |
4762 | break; | |
4763 | ||
4764 | if (xfer_cnt < scmd->underflow) { | |
4765 | if (scsi_status == SAM_STAT_BUSY) | |
4766 | scmd->result = SAM_STAT_BUSY; | |
4767 | else | |
4768 | scmd->result = DID_SOFT_ERROR << 16; | |
4769 | } else if (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED | | |
4770 | MPI2_SCSI_STATE_NO_SCSI_STATUS)) | |
4771 | scmd->result = DID_SOFT_ERROR << 16; | |
4772 | else if (scsi_state & MPI2_SCSI_STATE_TERMINATED) | |
4773 | scmd->result = DID_RESET << 16; | |
4774 | else if (!xfer_cnt && scmd->cmnd[0] == REPORT_LUNS) { | |
4775 | mpi_reply->SCSIState = MPI2_SCSI_STATE_AUTOSENSE_VALID; | |
4776 | mpi_reply->SCSIStatus = SAM_STAT_CHECK_CONDITION; | |
4777 | scmd->result = (DRIVER_SENSE << 24) | | |
4778 | SAM_STAT_CHECK_CONDITION; | |
4779 | scmd->sense_buffer[0] = 0x70; | |
4780 | scmd->sense_buffer[2] = ILLEGAL_REQUEST; | |
4781 | scmd->sense_buffer[12] = 0x20; | |
4782 | scmd->sense_buffer[13] = 0; | |
4783 | } | |
4784 | break; | |
4785 | ||
4786 | case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: | |
4787 | scsi_set_resid(scmd, 0); | |
4788 | case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: | |
4789 | case MPI2_IOCSTATUS_SUCCESS: | |
4790 | scmd->result = (DID_OK << 16) | scsi_status; | |
4791 | if (response_code == | |
4792 | MPI2_SCSITASKMGMT_RSP_INVALID_FRAME || | |
4793 | (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED | | |
4794 | MPI2_SCSI_STATE_NO_SCSI_STATUS))) | |
4795 | scmd->result = DID_SOFT_ERROR << 16; | |
4796 | else if (scsi_state & MPI2_SCSI_STATE_TERMINATED) | |
4797 | scmd->result = DID_RESET << 16; | |
4798 | break; | |
4799 | ||
4800 | case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: | |
4801 | case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: | |
4802 | case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: | |
4803 | _scsih_eedp_error_handling(scmd, ioc_status); | |
4804 | break; | |
4805 | ||
4806 | case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: | |
4807 | case MPI2_IOCSTATUS_INVALID_FUNCTION: | |
4808 | case MPI2_IOCSTATUS_INVALID_SGL: | |
4809 | case MPI2_IOCSTATUS_INTERNAL_ERROR: | |
4810 | case MPI2_IOCSTATUS_INVALID_FIELD: | |
4811 | case MPI2_IOCSTATUS_INVALID_STATE: | |
4812 | case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: | |
4813 | case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: | |
4814 | case MPI2_IOCSTATUS_INSUFFICIENT_POWER: | |
4815 | default: | |
4816 | scmd->result = DID_SOFT_ERROR << 16; | |
4817 | break; | |
4818 | ||
4819 | } | |
4820 | ||
4821 | if (scmd->result && (ioc->logging_level & MPT_DEBUG_REPLY)) | |
4822 | _scsih_scsi_ioc_info(ioc , scmd, mpi_reply, smid); | |
4823 | ||
4824 | out: | |
4825 | ||
4826 | scsi_dma_unmap(scmd); | |
4827 | ||
4828 | scmd->scsi_done(scmd); | |
4829 | return 1; | |
4830 | } | |
4831 | ||
4832 | /** | |
4833 | * _scsih_sas_host_refresh - refreshing sas host object contents | |
4834 | * @ioc: per adapter object | |
4835 | * Context: user | |
4836 | * | |
4837 | * During port enable, fw will send topology events for every device. Its | |
4838 | * possible that the handles may change from the previous setting, so this | |
4839 | * code keeping handles updating if changed. | |
4840 | * | |
4841 | * Return nothing. | |
4842 | */ | |
4843 | static void | |
4844 | _scsih_sas_host_refresh(struct MPT3SAS_ADAPTER *ioc) | |
4845 | { | |
4846 | u16 sz; | |
4847 | u16 ioc_status; | |
4848 | int i; | |
4849 | Mpi2ConfigReply_t mpi_reply; | |
4850 | Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL; | |
4851 | u16 attached_handle; | |
4852 | u8 link_rate; | |
4853 | ||
4854 | dtmprintk(ioc, pr_info(MPT3SAS_FMT | |
4855 | "updating handles for sas_host(0x%016llx)\n", | |
4856 | ioc->name, (unsigned long long)ioc->sas_hba.sas_address)); | |
4857 | ||
4858 | sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys | |
4859 | * sizeof(Mpi2SasIOUnit0PhyData_t)); | |
4860 | sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL); | |
4861 | if (!sas_iounit_pg0) { | |
4862 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
4863 | ioc->name, __FILE__, __LINE__, __func__); | |
4864 | return; | |
4865 | } | |
4866 | ||
4867 | if ((mpt3sas_config_get_sas_iounit_pg0(ioc, &mpi_reply, | |
4868 | sas_iounit_pg0, sz)) != 0) | |
4869 | goto out; | |
4870 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; | |
4871 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) | |
4872 | goto out; | |
4873 | for (i = 0; i < ioc->sas_hba.num_phys ; i++) { | |
4874 | link_rate = sas_iounit_pg0->PhyData[i].NegotiatedLinkRate >> 4; | |
4875 | if (i == 0) | |
4876 | ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0-> | |
4877 | PhyData[0].ControllerDevHandle); | |
4878 | ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle; | |
4879 | attached_handle = le16_to_cpu(sas_iounit_pg0->PhyData[i]. | |
4880 | AttachedDevHandle); | |
4881 | if (attached_handle && link_rate < MPI2_SAS_NEG_LINK_RATE_1_5) | |
4882 | link_rate = MPI2_SAS_NEG_LINK_RATE_1_5; | |
4883 | mpt3sas_transport_update_links(ioc, ioc->sas_hba.sas_address, | |
4884 | attached_handle, i, link_rate); | |
4885 | } | |
4886 | out: | |
4887 | kfree(sas_iounit_pg0); | |
4888 | } | |
4889 | ||
4890 | /** | |
4891 | * _scsih_sas_host_add - create sas host object | |
4892 | * @ioc: per adapter object | |
4893 | * | |
4894 | * Creating host side data object, stored in ioc->sas_hba | |
4895 | * | |
4896 | * Return nothing. | |
4897 | */ | |
4898 | static void | |
4899 | _scsih_sas_host_add(struct MPT3SAS_ADAPTER *ioc) | |
4900 | { | |
4901 | int i; | |
4902 | Mpi2ConfigReply_t mpi_reply; | |
4903 | Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL; | |
4904 | Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; | |
4905 | Mpi2SasPhyPage0_t phy_pg0; | |
4906 | Mpi2SasDevicePage0_t sas_device_pg0; | |
4907 | Mpi2SasEnclosurePage0_t enclosure_pg0; | |
4908 | u16 ioc_status; | |
4909 | u16 sz; | |
4910 | u8 device_missing_delay; | |
4911 | u8 num_phys; | |
4912 | ||
4913 | mpt3sas_config_get_number_hba_phys(ioc, &num_phys); | |
4914 | if (!num_phys) { | |
4915 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
4916 | ioc->name, __FILE__, __LINE__, __func__); | |
4917 | return; | |
4918 | } | |
4919 | ioc->sas_hba.phy = kcalloc(num_phys, | |
4920 | sizeof(struct _sas_phy), GFP_KERNEL); | |
4921 | if (!ioc->sas_hba.phy) { | |
4922 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
4923 | ioc->name, __FILE__, __LINE__, __func__); | |
4924 | goto out; | |
4925 | } | |
4926 | ioc->sas_hba.num_phys = num_phys; | |
4927 | ||
4928 | /* sas_iounit page 0 */ | |
4929 | sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys * | |
4930 | sizeof(Mpi2SasIOUnit0PhyData_t)); | |
4931 | sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL); | |
4932 | if (!sas_iounit_pg0) { | |
4933 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
4934 | ioc->name, __FILE__, __LINE__, __func__); | |
4935 | return; | |
4936 | } | |
4937 | if ((mpt3sas_config_get_sas_iounit_pg0(ioc, &mpi_reply, | |
4938 | sas_iounit_pg0, sz))) { | |
4939 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
4940 | ioc->name, __FILE__, __LINE__, __func__); | |
4941 | goto out; | |
4942 | } | |
4943 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
4944 | MPI2_IOCSTATUS_MASK; | |
4945 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
4946 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
4947 | ioc->name, __FILE__, __LINE__, __func__); | |
4948 | goto out; | |
4949 | } | |
4950 | ||
4951 | /* sas_iounit page 1 */ | |
4952 | sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys * | |
4953 | sizeof(Mpi2SasIOUnit1PhyData_t)); | |
4954 | sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); | |
4955 | if (!sas_iounit_pg1) { | |
4956 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
4957 | ioc->name, __FILE__, __LINE__, __func__); | |
4958 | goto out; | |
4959 | } | |
4960 | if ((mpt3sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, | |
4961 | sas_iounit_pg1, sz))) { | |
4962 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
4963 | ioc->name, __FILE__, __LINE__, __func__); | |
4964 | goto out; | |
4965 | } | |
4966 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
4967 | MPI2_IOCSTATUS_MASK; | |
4968 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
4969 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
4970 | ioc->name, __FILE__, __LINE__, __func__); | |
4971 | goto out; | |
4972 | } | |
4973 | ||
4974 | ioc->io_missing_delay = | |
4975 | sas_iounit_pg1->IODeviceMissingDelay; | |
4976 | device_missing_delay = | |
4977 | sas_iounit_pg1->ReportDeviceMissingDelay; | |
4978 | if (device_missing_delay & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16) | |
4979 | ioc->device_missing_delay = (device_missing_delay & | |
4980 | MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16; | |
4981 | else | |
4982 | ioc->device_missing_delay = device_missing_delay & | |
4983 | MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK; | |
4984 | ||
4985 | ioc->sas_hba.parent_dev = &ioc->shost->shost_gendev; | |
4986 | for (i = 0; i < ioc->sas_hba.num_phys ; i++) { | |
4987 | if ((mpt3sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0, | |
4988 | i))) { | |
4989 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
4990 | ioc->name, __FILE__, __LINE__, __func__); | |
4991 | goto out; | |
4992 | } | |
4993 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
4994 | MPI2_IOCSTATUS_MASK; | |
4995 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
4996 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
4997 | ioc->name, __FILE__, __LINE__, __func__); | |
4998 | goto out; | |
4999 | } | |
5000 | ||
5001 | if (i == 0) | |
5002 | ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0-> | |
5003 | PhyData[0].ControllerDevHandle); | |
5004 | ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle; | |
5005 | ioc->sas_hba.phy[i].phy_id = i; | |
5006 | mpt3sas_transport_add_host_phy(ioc, &ioc->sas_hba.phy[i], | |
5007 | phy_pg0, ioc->sas_hba.parent_dev); | |
5008 | } | |
5009 | if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
5010 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, ioc->sas_hba.handle))) { | |
5011 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
5012 | ioc->name, __FILE__, __LINE__, __func__); | |
5013 | goto out; | |
5014 | } | |
5015 | ioc->sas_hba.enclosure_handle = | |
5016 | le16_to_cpu(sas_device_pg0.EnclosureHandle); | |
5017 | ioc->sas_hba.sas_address = le64_to_cpu(sas_device_pg0.SASAddress); | |
5018 | pr_info(MPT3SAS_FMT | |
5019 | "host_add: handle(0x%04x), sas_addr(0x%016llx), phys(%d)\n", | |
5020 | ioc->name, ioc->sas_hba.handle, | |
5021 | (unsigned long long) ioc->sas_hba.sas_address, | |
5022 | ioc->sas_hba.num_phys) ; | |
5023 | ||
5024 | if (ioc->sas_hba.enclosure_handle) { | |
5025 | if (!(mpt3sas_config_get_enclosure_pg0(ioc, &mpi_reply, | |
5026 | &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, | |
5027 | ioc->sas_hba.enclosure_handle))) | |
5028 | ioc->sas_hba.enclosure_logical_id = | |
5029 | le64_to_cpu(enclosure_pg0.EnclosureLogicalID); | |
5030 | } | |
5031 | ||
5032 | out: | |
5033 | kfree(sas_iounit_pg1); | |
5034 | kfree(sas_iounit_pg0); | |
5035 | } | |
5036 | ||
5037 | /** | |
5038 | * _scsih_expander_add - creating expander object | |
5039 | * @ioc: per adapter object | |
5040 | * @handle: expander handle | |
5041 | * | |
5042 | * Creating expander object, stored in ioc->sas_expander_list. | |
5043 | * | |
5044 | * Return 0 for success, else error. | |
5045 | */ | |
5046 | static int | |
5047 | _scsih_expander_add(struct MPT3SAS_ADAPTER *ioc, u16 handle) | |
5048 | { | |
5049 | struct _sas_node *sas_expander; | |
5050 | Mpi2ConfigReply_t mpi_reply; | |
5051 | Mpi2ExpanderPage0_t expander_pg0; | |
5052 | Mpi2ExpanderPage1_t expander_pg1; | |
5053 | Mpi2SasEnclosurePage0_t enclosure_pg0; | |
5054 | u32 ioc_status; | |
5055 | u16 parent_handle; | |
5056 | u64 sas_address, sas_address_parent = 0; | |
5057 | int i; | |
5058 | unsigned long flags; | |
5059 | struct _sas_port *mpt3sas_port = NULL; | |
5060 | ||
5061 | int rc = 0; | |
5062 | ||
5063 | if (!handle) | |
5064 | return -1; | |
5065 | ||
5066 | if (ioc->shost_recovery || ioc->pci_error_recovery) | |
5067 | return -1; | |
5068 | ||
5069 | if ((mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, | |
5070 | MPI2_SAS_EXPAND_PGAD_FORM_HNDL, handle))) { | |
5071 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
5072 | ioc->name, __FILE__, __LINE__, __func__); | |
5073 | return -1; | |
5074 | } | |
5075 | ||
5076 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
5077 | MPI2_IOCSTATUS_MASK; | |
5078 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
5079 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
5080 | ioc->name, __FILE__, __LINE__, __func__); | |
5081 | return -1; | |
5082 | } | |
5083 | ||
5084 | /* handle out of order topology events */ | |
5085 | parent_handle = le16_to_cpu(expander_pg0.ParentDevHandle); | |
5086 | if (_scsih_get_sas_address(ioc, parent_handle, &sas_address_parent) | |
5087 | != 0) { | |
5088 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
5089 | ioc->name, __FILE__, __LINE__, __func__); | |
5090 | return -1; | |
5091 | } | |
5092 | if (sas_address_parent != ioc->sas_hba.sas_address) { | |
5093 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
5094 | sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc, | |
5095 | sas_address_parent); | |
5096 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
5097 | if (!sas_expander) { | |
5098 | rc = _scsih_expander_add(ioc, parent_handle); | |
5099 | if (rc != 0) | |
5100 | return rc; | |
5101 | } | |
5102 | } | |
5103 | ||
5104 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
5105 | sas_address = le64_to_cpu(expander_pg0.SASAddress); | |
5106 | sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc, | |
5107 | sas_address); | |
5108 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
5109 | ||
5110 | if (sas_expander) | |
5111 | return 0; | |
5112 | ||
5113 | sas_expander = kzalloc(sizeof(struct _sas_node), | |
5114 | GFP_KERNEL); | |
5115 | if (!sas_expander) { | |
5116 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
5117 | ioc->name, __FILE__, __LINE__, __func__); | |
5118 | return -1; | |
5119 | } | |
5120 | ||
5121 | sas_expander->handle = handle; | |
5122 | sas_expander->num_phys = expander_pg0.NumPhys; | |
5123 | sas_expander->sas_address_parent = sas_address_parent; | |
5124 | sas_expander->sas_address = sas_address; | |
5125 | ||
5126 | pr_info(MPT3SAS_FMT "expander_add: handle(0x%04x)," \ | |
5127 | " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc->name, | |
5128 | handle, parent_handle, (unsigned long long) | |
5129 | sas_expander->sas_address, sas_expander->num_phys); | |
5130 | ||
5131 | if (!sas_expander->num_phys) | |
5132 | goto out_fail; | |
5133 | sas_expander->phy = kcalloc(sas_expander->num_phys, | |
5134 | sizeof(struct _sas_phy), GFP_KERNEL); | |
5135 | if (!sas_expander->phy) { | |
5136 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
5137 | ioc->name, __FILE__, __LINE__, __func__); | |
5138 | rc = -1; | |
5139 | goto out_fail; | |
5140 | } | |
5141 | ||
5142 | INIT_LIST_HEAD(&sas_expander->sas_port_list); | |
5143 | mpt3sas_port = mpt3sas_transport_port_add(ioc, handle, | |
5144 | sas_address_parent); | |
5145 | if (!mpt3sas_port) { | |
5146 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
5147 | ioc->name, __FILE__, __LINE__, __func__); | |
5148 | rc = -1; | |
5149 | goto out_fail; | |
5150 | } | |
5151 | sas_expander->parent_dev = &mpt3sas_port->rphy->dev; | |
5152 | ||
5153 | for (i = 0 ; i < sas_expander->num_phys ; i++) { | |
5154 | if ((mpt3sas_config_get_expander_pg1(ioc, &mpi_reply, | |
5155 | &expander_pg1, i, handle))) { | |
5156 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
5157 | ioc->name, __FILE__, __LINE__, __func__); | |
5158 | rc = -1; | |
5159 | goto out_fail; | |
5160 | } | |
5161 | sas_expander->phy[i].handle = handle; | |
5162 | sas_expander->phy[i].phy_id = i; | |
5163 | ||
5164 | if ((mpt3sas_transport_add_expander_phy(ioc, | |
5165 | &sas_expander->phy[i], expander_pg1, | |
5166 | sas_expander->parent_dev))) { | |
5167 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
5168 | ioc->name, __FILE__, __LINE__, __func__); | |
5169 | rc = -1; | |
5170 | goto out_fail; | |
5171 | } | |
5172 | } | |
5173 | ||
5174 | if (sas_expander->enclosure_handle) { | |
5175 | if (!(mpt3sas_config_get_enclosure_pg0(ioc, &mpi_reply, | |
5176 | &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, | |
5177 | sas_expander->enclosure_handle))) | |
5178 | sas_expander->enclosure_logical_id = | |
5179 | le64_to_cpu(enclosure_pg0.EnclosureLogicalID); | |
5180 | } | |
5181 | ||
5182 | _scsih_expander_node_add(ioc, sas_expander); | |
5183 | return 0; | |
5184 | ||
5185 | out_fail: | |
5186 | ||
5187 | if (mpt3sas_port) | |
5188 | mpt3sas_transport_port_remove(ioc, sas_expander->sas_address, | |
5189 | sas_address_parent); | |
5190 | kfree(sas_expander); | |
5191 | return rc; | |
5192 | } | |
5193 | ||
5194 | /** | |
5195 | * mpt3sas_expander_remove - removing expander object | |
5196 | * @ioc: per adapter object | |
5197 | * @sas_address: expander sas_address | |
5198 | * | |
5199 | * Return nothing. | |
5200 | */ | |
5201 | void | |
5202 | mpt3sas_expander_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address) | |
5203 | { | |
5204 | struct _sas_node *sas_expander; | |
5205 | unsigned long flags; | |
5206 | ||
5207 | if (ioc->shost_recovery) | |
5208 | return; | |
5209 | ||
5210 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
5211 | sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc, | |
5212 | sas_address); | |
5213 | if (sas_expander) | |
5214 | list_del(&sas_expander->list); | |
5215 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
5216 | if (sas_expander) | |
5217 | _scsih_expander_node_remove(ioc, sas_expander); | |
5218 | } | |
5219 | ||
5220 | /** | |
5221 | * _scsih_done - internal SCSI_IO callback handler. | |
5222 | * @ioc: per adapter object | |
5223 | * @smid: system request message index | |
5224 | * @msix_index: MSIX table index supplied by the OS | |
5225 | * @reply: reply message frame(lower 32bit addr) | |
5226 | * | |
5227 | * Callback handler when sending internal generated SCSI_IO. | |
5228 | * The callback index passed is `ioc->scsih_cb_idx` | |
5229 | * | |
5230 | * Return 1 meaning mf should be freed from _base_interrupt | |
5231 | * 0 means the mf is freed from this function. | |
5232 | */ | |
5233 | static u8 | |
5234 | _scsih_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) | |
5235 | { | |
5236 | MPI2DefaultReply_t *mpi_reply; | |
5237 | ||
5238 | mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply); | |
5239 | if (ioc->scsih_cmds.status == MPT3_CMD_NOT_USED) | |
5240 | return 1; | |
5241 | if (ioc->scsih_cmds.smid != smid) | |
5242 | return 1; | |
5243 | ioc->scsih_cmds.status |= MPT3_CMD_COMPLETE; | |
5244 | if (mpi_reply) { | |
5245 | memcpy(ioc->scsih_cmds.reply, mpi_reply, | |
5246 | mpi_reply->MsgLength*4); | |
5247 | ioc->scsih_cmds.status |= MPT3_CMD_REPLY_VALID; | |
5248 | } | |
5249 | ioc->scsih_cmds.status &= ~MPT3_CMD_PENDING; | |
5250 | complete(&ioc->scsih_cmds.done); | |
5251 | return 1; | |
5252 | } | |
5253 | ||
5254 | ||
5255 | ||
5256 | ||
5257 | #define MPT3_MAX_LUNS (255) | |
5258 | ||
5259 | ||
5260 | /** | |
5261 | * _scsih_check_access_status - check access flags | |
5262 | * @ioc: per adapter object | |
5263 | * @sas_address: sas address | |
5264 | * @handle: sas device handle | |
5265 | * @access_flags: errors returned during discovery of the device | |
5266 | * | |
5267 | * Return 0 for success, else failure | |
5268 | */ | |
5269 | static u8 | |
5270 | _scsih_check_access_status(struct MPT3SAS_ADAPTER *ioc, u64 sas_address, | |
5271 | u16 handle, u8 access_status) | |
5272 | { | |
5273 | u8 rc = 1; | |
5274 | char *desc = NULL; | |
5275 | ||
5276 | switch (access_status) { | |
5277 | case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS: | |
5278 | case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION: | |
5279 | rc = 0; | |
5280 | break; | |
5281 | case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED: | |
5282 | desc = "sata capability failed"; | |
5283 | break; | |
5284 | case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT: | |
5285 | desc = "sata affiliation conflict"; | |
5286 | break; | |
5287 | case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE: | |
5288 | desc = "route not addressable"; | |
5289 | break; | |
5290 | case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE: | |
5291 | desc = "smp error not addressable"; | |
5292 | break; | |
5293 | case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED: | |
5294 | desc = "device blocked"; | |
5295 | break; | |
5296 | case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED: | |
5297 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN: | |
5298 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT: | |
5299 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG: | |
5300 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION: | |
5301 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER: | |
5302 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN: | |
5303 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN: | |
5304 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN: | |
5305 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION: | |
5306 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE: | |
5307 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX: | |
5308 | desc = "sata initialization failed"; | |
5309 | break; | |
5310 | default: | |
5311 | desc = "unknown"; | |
5312 | break; | |
5313 | } | |
5314 | ||
5315 | if (!rc) | |
5316 | return 0; | |
5317 | ||
5318 | pr_err(MPT3SAS_FMT | |
5319 | "discovery errors(%s): sas_address(0x%016llx), handle(0x%04x)\n", | |
5320 | ioc->name, desc, (unsigned long long)sas_address, handle); | |
5321 | return rc; | |
5322 | } | |
5323 | ||
5324 | /** | |
5325 | * _scsih_check_device - checking device responsiveness | |
5326 | * @ioc: per adapter object | |
5327 | * @parent_sas_address: sas address of parent expander or sas host | |
5328 | * @handle: attached device handle | |
5329 | * @phy_numberv: phy number | |
5330 | * @link_rate: new link rate | |
5331 | * | |
5332 | * Returns nothing. | |
5333 | */ | |
5334 | static void | |
5335 | _scsih_check_device(struct MPT3SAS_ADAPTER *ioc, | |
5336 | u64 parent_sas_address, u16 handle, u8 phy_number, u8 link_rate) | |
5337 | { | |
5338 | Mpi2ConfigReply_t mpi_reply; | |
5339 | Mpi2SasDevicePage0_t sas_device_pg0; | |
5340 | struct _sas_device *sas_device; | |
5341 | u32 ioc_status; | |
5342 | unsigned long flags; | |
5343 | u64 sas_address; | |
5344 | struct scsi_target *starget; | |
5345 | struct MPT3SAS_TARGET *sas_target_priv_data; | |
5346 | u32 device_info; | |
5347 | ||
5348 | ||
5349 | if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
5350 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) | |
5351 | return; | |
5352 | ||
5353 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; | |
5354 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) | |
5355 | return; | |
5356 | ||
5357 | /* wide port handling ~ we need only handle device once for the phy that | |
5358 | * is matched in sas device page zero | |
5359 | */ | |
5360 | if (phy_number != sas_device_pg0.PhyNum) | |
5361 | return; | |
5362 | ||
5363 | /* check if this is end device */ | |
5364 | device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); | |
5365 | if (!(_scsih_is_end_device(device_info))) | |
5366 | return; | |
5367 | ||
5368 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
5369 | sas_address = le64_to_cpu(sas_device_pg0.SASAddress); | |
5370 | sas_device = __mpt3sas_get_sdev_by_addr(ioc, | |
5371 | sas_address); | |
5372 | ||
5373 | if (!sas_device) | |
5374 | goto out_unlock; | |
5375 | ||
5376 | if (unlikely(sas_device->handle != handle)) { | |
5377 | starget = sas_device->starget; | |
5378 | sas_target_priv_data = starget->hostdata; | |
5379 | starget_printk(KERN_INFO, starget, | |
5380 | "handle changed from(0x%04x) to (0x%04x)!!!\n", | |
5381 | sas_device->handle, handle); | |
5382 | sas_target_priv_data->handle = handle; | |
5383 | sas_device->handle = handle; | |
5384 | if (sas_device_pg0.Flags & | |
5385 | MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) { | |
5386 | sas_device->enclosure_level = | |
5387 | le16_to_cpu(sas_device_pg0.EnclosureLevel); | |
5388 | memcpy(sas_device->connector_name, | |
5389 | sas_device_pg0.ConnectorName, 4); | |
5390 | sas_device->connector_name[4] = '\0'; | |
5391 | } else { | |
5392 | sas_device->enclosure_level = 0; | |
5393 | sas_device->connector_name[0] = '\0'; | |
5394 | } | |
5395 | } | |
5396 | ||
5397 | /* check if device is present */ | |
5398 | if (!(le16_to_cpu(sas_device_pg0.Flags) & | |
5399 | MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) { | |
5400 | pr_err(MPT3SAS_FMT | |
5401 | "device is not present handle(0x%04x), flags!!!\n", | |
5402 | ioc->name, handle); | |
5403 | goto out_unlock; | |
5404 | } | |
5405 | ||
5406 | /* check if there were any issues with discovery */ | |
5407 | if (_scsih_check_access_status(ioc, sas_address, handle, | |
5408 | sas_device_pg0.AccessStatus)) | |
5409 | goto out_unlock; | |
5410 | ||
5411 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
5412 | _scsih_ublock_io_device(ioc, sas_address); | |
5413 | ||
5414 | if (sas_device) | |
5415 | sas_device_put(sas_device); | |
5416 | return; | |
5417 | ||
5418 | out_unlock: | |
5419 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
5420 | if (sas_device) | |
5421 | sas_device_put(sas_device); | |
5422 | } | |
5423 | ||
5424 | /** | |
5425 | * _scsih_add_device - creating sas device object | |
5426 | * @ioc: per adapter object | |
5427 | * @handle: sas device handle | |
5428 | * @phy_num: phy number end device attached to | |
5429 | * @is_pd: is this hidden raid component | |
5430 | * | |
5431 | * Creating end device object, stored in ioc->sas_device_list. | |
5432 | * | |
5433 | * Returns 0 for success, non-zero for failure. | |
5434 | */ | |
5435 | static int | |
5436 | _scsih_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phy_num, | |
5437 | u8 is_pd) | |
5438 | { | |
5439 | Mpi2ConfigReply_t mpi_reply; | |
5440 | Mpi2SasDevicePage0_t sas_device_pg0; | |
5441 | Mpi2SasEnclosurePage0_t enclosure_pg0; | |
5442 | struct _sas_device *sas_device; | |
5443 | u32 ioc_status; | |
5444 | u64 sas_address; | |
5445 | u32 device_info; | |
5446 | ||
5447 | if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
5448 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { | |
5449 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
5450 | ioc->name, __FILE__, __LINE__, __func__); | |
5451 | return -1; | |
5452 | } | |
5453 | ||
5454 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
5455 | MPI2_IOCSTATUS_MASK; | |
5456 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
5457 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
5458 | ioc->name, __FILE__, __LINE__, __func__); | |
5459 | return -1; | |
5460 | } | |
5461 | ||
5462 | /* check if this is end device */ | |
5463 | device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); | |
5464 | if (!(_scsih_is_end_device(device_info))) | |
5465 | return -1; | |
5466 | set_bit(handle, ioc->pend_os_device_add); | |
5467 | sas_address = le64_to_cpu(sas_device_pg0.SASAddress); | |
5468 | ||
5469 | /* check if device is present */ | |
5470 | if (!(le16_to_cpu(sas_device_pg0.Flags) & | |
5471 | MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) { | |
5472 | pr_err(MPT3SAS_FMT "device is not present handle(0x04%x)!!!\n", | |
5473 | ioc->name, handle); | |
5474 | return -1; | |
5475 | } | |
5476 | ||
5477 | /* check if there were any issues with discovery */ | |
5478 | if (_scsih_check_access_status(ioc, sas_address, handle, | |
5479 | sas_device_pg0.AccessStatus)) | |
5480 | return -1; | |
5481 | ||
5482 | sas_device = mpt3sas_get_sdev_by_addr(ioc, | |
5483 | sas_address); | |
5484 | if (sas_device) { | |
5485 | clear_bit(handle, ioc->pend_os_device_add); | |
5486 | sas_device_put(sas_device); | |
5487 | return -1; | |
5488 | } | |
5489 | ||
5490 | sas_device = kzalloc(sizeof(struct _sas_device), | |
5491 | GFP_KERNEL); | |
5492 | if (!sas_device) { | |
5493 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
5494 | ioc->name, __FILE__, __LINE__, __func__); | |
5495 | return 0; | |
5496 | } | |
5497 | ||
5498 | kref_init(&sas_device->refcount); | |
5499 | sas_device->handle = handle; | |
5500 | if (_scsih_get_sas_address(ioc, | |
5501 | le16_to_cpu(sas_device_pg0.ParentDevHandle), | |
5502 | &sas_device->sas_address_parent) != 0) | |
5503 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
5504 | ioc->name, __FILE__, __LINE__, __func__); | |
5505 | sas_device->enclosure_handle = | |
5506 | le16_to_cpu(sas_device_pg0.EnclosureHandle); | |
5507 | if (sas_device->enclosure_handle != 0) | |
5508 | sas_device->slot = | |
5509 | le16_to_cpu(sas_device_pg0.Slot); | |
5510 | sas_device->device_info = device_info; | |
5511 | sas_device->sas_address = sas_address; | |
5512 | sas_device->phy = sas_device_pg0.PhyNum; | |
5513 | sas_device->fast_path = (le16_to_cpu(sas_device_pg0.Flags) & | |
5514 | MPI25_SAS_DEVICE0_FLAGS_FAST_PATH_CAPABLE) ? 1 : 0; | |
5515 | ||
5516 | if (sas_device_pg0.Flags & MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) { | |
5517 | sas_device->enclosure_level = | |
5518 | le16_to_cpu(sas_device_pg0.EnclosureLevel); | |
5519 | memcpy(sas_device->connector_name, | |
5520 | sas_device_pg0.ConnectorName, 4); | |
5521 | sas_device->connector_name[4] = '\0'; | |
5522 | } else { | |
5523 | sas_device->enclosure_level = 0; | |
5524 | sas_device->connector_name[0] = '\0'; | |
5525 | } | |
5526 | /* get enclosure_logical_id */ | |
5527 | if (sas_device->enclosure_handle && !(mpt3sas_config_get_enclosure_pg0( | |
5528 | ioc, &mpi_reply, &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, | |
5529 | sas_device->enclosure_handle))) | |
5530 | sas_device->enclosure_logical_id = | |
5531 | le64_to_cpu(enclosure_pg0.EnclosureLogicalID); | |
5532 | ||
5533 | /* get device name */ | |
5534 | sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName); | |
5535 | ||
5536 | if (ioc->wait_for_discovery_to_complete) | |
5537 | _scsih_sas_device_init_add(ioc, sas_device); | |
5538 | else | |
5539 | _scsih_sas_device_add(ioc, sas_device); | |
5540 | ||
5541 | sas_device_put(sas_device); | |
5542 | return 0; | |
5543 | } | |
5544 | ||
5545 | /** | |
5546 | * _scsih_remove_device - removing sas device object | |
5547 | * @ioc: per adapter object | |
5548 | * @sas_device_delete: the sas_device object | |
5549 | * | |
5550 | * Return nothing. | |
5551 | */ | |
5552 | static void | |
5553 | _scsih_remove_device(struct MPT3SAS_ADAPTER *ioc, | |
5554 | struct _sas_device *sas_device) | |
5555 | { | |
5556 | struct MPT3SAS_TARGET *sas_target_priv_data; | |
5557 | ||
5558 | if ((ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) && | |
5559 | (sas_device->pfa_led_on)) { | |
5560 | _scsih_turn_off_pfa_led(ioc, sas_device); | |
5561 | sas_device->pfa_led_on = 0; | |
5562 | } | |
5563 | dewtprintk(ioc, pr_info(MPT3SAS_FMT | |
5564 | "%s: enter: handle(0x%04x), sas_addr(0x%016llx)\n", | |
5565 | ioc->name, __func__, | |
5566 | sas_device->handle, (unsigned long long) | |
5567 | sas_device->sas_address)); | |
5568 | if (sas_device->enclosure_handle != 0) | |
5569 | dewtprintk(ioc, pr_info(MPT3SAS_FMT | |
5570 | "%s: enter: enclosure logical id(0x%016llx), slot(%d)\n", | |
5571 | ioc->name, __func__, | |
5572 | (unsigned long long)sas_device->enclosure_logical_id, | |
5573 | sas_device->slot)); | |
5574 | if (sas_device->connector_name[0] != '\0') | |
5575 | dewtprintk(ioc, pr_info(MPT3SAS_FMT | |
5576 | "%s: enter: enclosure level(0x%04x), connector name( %s)\n", | |
5577 | ioc->name, __func__, | |
5578 | sas_device->enclosure_level, | |
5579 | sas_device->connector_name)); | |
5580 | ||
5581 | if (sas_device->starget && sas_device->starget->hostdata) { | |
5582 | sas_target_priv_data = sas_device->starget->hostdata; | |
5583 | sas_target_priv_data->deleted = 1; | |
5584 | _scsih_ublock_io_device(ioc, sas_device->sas_address); | |
5585 | sas_target_priv_data->handle = | |
5586 | MPT3SAS_INVALID_DEVICE_HANDLE; | |
5587 | } | |
5588 | ||
5589 | if (!ioc->hide_drives) | |
5590 | mpt3sas_transport_port_remove(ioc, | |
5591 | sas_device->sas_address, | |
5592 | sas_device->sas_address_parent); | |
5593 | ||
5594 | pr_info(MPT3SAS_FMT | |
5595 | "removing handle(0x%04x), sas_addr(0x%016llx)\n", | |
5596 | ioc->name, sas_device->handle, | |
5597 | (unsigned long long) sas_device->sas_address); | |
5598 | if (sas_device->enclosure_handle != 0) | |
5599 | pr_info(MPT3SAS_FMT | |
5600 | "removing : enclosure logical id(0x%016llx), slot(%d)\n", | |
5601 | ioc->name, | |
5602 | (unsigned long long)sas_device->enclosure_logical_id, | |
5603 | sas_device->slot); | |
5604 | if (sas_device->connector_name[0] != '\0') | |
5605 | pr_info(MPT3SAS_FMT | |
5606 | "removing enclosure level(0x%04x), connector name( %s)\n", | |
5607 | ioc->name, sas_device->enclosure_level, | |
5608 | sas_device->connector_name); | |
5609 | ||
5610 | dewtprintk(ioc, pr_info(MPT3SAS_FMT | |
5611 | "%s: exit: handle(0x%04x), sas_addr(0x%016llx)\n", | |
5612 | ioc->name, __func__, | |
5613 | sas_device->handle, (unsigned long long) | |
5614 | sas_device->sas_address)); | |
5615 | if (sas_device->enclosure_handle != 0) | |
5616 | dewtprintk(ioc, pr_info(MPT3SAS_FMT | |
5617 | "%s: exit: enclosure logical id(0x%016llx), slot(%d)\n", | |
5618 | ioc->name, __func__, | |
5619 | (unsigned long long)sas_device->enclosure_logical_id, | |
5620 | sas_device->slot)); | |
5621 | if (sas_device->connector_name[0] != '\0') | |
5622 | dewtprintk(ioc, pr_info(MPT3SAS_FMT | |
5623 | "%s: exit: enclosure level(0x%04x), connector name(%s)\n", | |
5624 | ioc->name, __func__, sas_device->enclosure_level, | |
5625 | sas_device->connector_name)); | |
5626 | } | |
5627 | ||
5628 | /** | |
5629 | * _scsih_sas_topology_change_event_debug - debug for topology event | |
5630 | * @ioc: per adapter object | |
5631 | * @event_data: event data payload | |
5632 | * Context: user. | |
5633 | */ | |
5634 | static void | |
5635 | _scsih_sas_topology_change_event_debug(struct MPT3SAS_ADAPTER *ioc, | |
5636 | Mpi2EventDataSasTopologyChangeList_t *event_data) | |
5637 | { | |
5638 | int i; | |
5639 | u16 handle; | |
5640 | u16 reason_code; | |
5641 | u8 phy_number; | |
5642 | char *status_str = NULL; | |
5643 | u8 link_rate, prev_link_rate; | |
5644 | ||
5645 | switch (event_data->ExpStatus) { | |
5646 | case MPI2_EVENT_SAS_TOPO_ES_ADDED: | |
5647 | status_str = "add"; | |
5648 | break; | |
5649 | case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING: | |
5650 | status_str = "remove"; | |
5651 | break; | |
5652 | case MPI2_EVENT_SAS_TOPO_ES_RESPONDING: | |
5653 | case 0: | |
5654 | status_str = "responding"; | |
5655 | break; | |
5656 | case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING: | |
5657 | status_str = "remove delay"; | |
5658 | break; | |
5659 | default: | |
5660 | status_str = "unknown status"; | |
5661 | break; | |
5662 | } | |
5663 | pr_info(MPT3SAS_FMT "sas topology change: (%s)\n", | |
5664 | ioc->name, status_str); | |
5665 | pr_info("\thandle(0x%04x), enclosure_handle(0x%04x) " \ | |
5666 | "start_phy(%02d), count(%d)\n", | |
5667 | le16_to_cpu(event_data->ExpanderDevHandle), | |
5668 | le16_to_cpu(event_data->EnclosureHandle), | |
5669 | event_data->StartPhyNum, event_data->NumEntries); | |
5670 | for (i = 0; i < event_data->NumEntries; i++) { | |
5671 | handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); | |
5672 | if (!handle) | |
5673 | continue; | |
5674 | phy_number = event_data->StartPhyNum + i; | |
5675 | reason_code = event_data->PHY[i].PhyStatus & | |
5676 | MPI2_EVENT_SAS_TOPO_RC_MASK; | |
5677 | switch (reason_code) { | |
5678 | case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: | |
5679 | status_str = "target add"; | |
5680 | break; | |
5681 | case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: | |
5682 | status_str = "target remove"; | |
5683 | break; | |
5684 | case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING: | |
5685 | status_str = "delay target remove"; | |
5686 | break; | |
5687 | case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: | |
5688 | status_str = "link rate change"; | |
5689 | break; | |
5690 | case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE: | |
5691 | status_str = "target responding"; | |
5692 | break; | |
5693 | default: | |
5694 | status_str = "unknown"; | |
5695 | break; | |
5696 | } | |
5697 | link_rate = event_data->PHY[i].LinkRate >> 4; | |
5698 | prev_link_rate = event_data->PHY[i].LinkRate & 0xF; | |
5699 | pr_info("\tphy(%02d), attached_handle(0x%04x): %s:" \ | |
5700 | " link rate: new(0x%02x), old(0x%02x)\n", phy_number, | |
5701 | handle, status_str, link_rate, prev_link_rate); | |
5702 | ||
5703 | } | |
5704 | } | |
5705 | ||
5706 | /** | |
5707 | * _scsih_sas_topology_change_event - handle topology changes | |
5708 | * @ioc: per adapter object | |
5709 | * @fw_event: The fw_event_work object | |
5710 | * Context: user. | |
5711 | * | |
5712 | */ | |
5713 | static int | |
5714 | _scsih_sas_topology_change_event(struct MPT3SAS_ADAPTER *ioc, | |
5715 | struct fw_event_work *fw_event) | |
5716 | { | |
5717 | int i; | |
5718 | u16 parent_handle, handle; | |
5719 | u16 reason_code; | |
5720 | u8 phy_number, max_phys; | |
5721 | struct _sas_node *sas_expander; | |
5722 | u64 sas_address; | |
5723 | unsigned long flags; | |
5724 | u8 link_rate, prev_link_rate; | |
5725 | Mpi2EventDataSasTopologyChangeList_t *event_data = | |
5726 | (Mpi2EventDataSasTopologyChangeList_t *) | |
5727 | fw_event->event_data; | |
5728 | ||
5729 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) | |
5730 | _scsih_sas_topology_change_event_debug(ioc, event_data); | |
5731 | ||
5732 | if (ioc->shost_recovery || ioc->remove_host || ioc->pci_error_recovery) | |
5733 | return 0; | |
5734 | ||
5735 | if (!ioc->sas_hba.num_phys) | |
5736 | _scsih_sas_host_add(ioc); | |
5737 | else | |
5738 | _scsih_sas_host_refresh(ioc); | |
5739 | ||
5740 | if (fw_event->ignore) { | |
5741 | dewtprintk(ioc, pr_info(MPT3SAS_FMT | |
5742 | "ignoring expander event\n", ioc->name)); | |
5743 | return 0; | |
5744 | } | |
5745 | ||
5746 | parent_handle = le16_to_cpu(event_data->ExpanderDevHandle); | |
5747 | ||
5748 | /* handle expander add */ | |
5749 | if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_ADDED) | |
5750 | if (_scsih_expander_add(ioc, parent_handle) != 0) | |
5751 | return 0; | |
5752 | ||
5753 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
5754 | sas_expander = mpt3sas_scsih_expander_find_by_handle(ioc, | |
5755 | parent_handle); | |
5756 | if (sas_expander) { | |
5757 | sas_address = sas_expander->sas_address; | |
5758 | max_phys = sas_expander->num_phys; | |
5759 | } else if (parent_handle < ioc->sas_hba.num_phys) { | |
5760 | sas_address = ioc->sas_hba.sas_address; | |
5761 | max_phys = ioc->sas_hba.num_phys; | |
5762 | } else { | |
5763 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
5764 | return 0; | |
5765 | } | |
5766 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
5767 | ||
5768 | /* handle siblings events */ | |
5769 | for (i = 0; i < event_data->NumEntries; i++) { | |
5770 | if (fw_event->ignore) { | |
5771 | dewtprintk(ioc, pr_info(MPT3SAS_FMT | |
5772 | "ignoring expander event\n", ioc->name)); | |
5773 | return 0; | |
5774 | } | |
5775 | if (ioc->remove_host || ioc->pci_error_recovery) | |
5776 | return 0; | |
5777 | phy_number = event_data->StartPhyNum + i; | |
5778 | if (phy_number >= max_phys) | |
5779 | continue; | |
5780 | reason_code = event_data->PHY[i].PhyStatus & | |
5781 | MPI2_EVENT_SAS_TOPO_RC_MASK; | |
5782 | if ((event_data->PHY[i].PhyStatus & | |
5783 | MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) && (reason_code != | |
5784 | MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)) | |
5785 | continue; | |
5786 | handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); | |
5787 | if (!handle) | |
5788 | continue; | |
5789 | link_rate = event_data->PHY[i].LinkRate >> 4; | |
5790 | prev_link_rate = event_data->PHY[i].LinkRate & 0xF; | |
5791 | switch (reason_code) { | |
5792 | case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: | |
5793 | ||
5794 | if (ioc->shost_recovery) | |
5795 | break; | |
5796 | ||
5797 | if (link_rate == prev_link_rate) | |
5798 | break; | |
5799 | ||
5800 | mpt3sas_transport_update_links(ioc, sas_address, | |
5801 | handle, phy_number, link_rate); | |
5802 | ||
5803 | if (link_rate < MPI2_SAS_NEG_LINK_RATE_1_5) | |
5804 | break; | |
5805 | ||
5806 | _scsih_check_device(ioc, sas_address, handle, | |
5807 | phy_number, link_rate); | |
5808 | ||
5809 | if (!test_bit(handle, ioc->pend_os_device_add)) | |
5810 | break; | |
5811 | ||
5812 | ||
5813 | case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: | |
5814 | ||
5815 | if (ioc->shost_recovery) | |
5816 | break; | |
5817 | ||
5818 | mpt3sas_transport_update_links(ioc, sas_address, | |
5819 | handle, phy_number, link_rate); | |
5820 | ||
5821 | _scsih_add_device(ioc, handle, phy_number, 0); | |
5822 | ||
5823 | break; | |
5824 | case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: | |
5825 | ||
5826 | _scsih_device_remove_by_handle(ioc, handle); | |
5827 | break; | |
5828 | } | |
5829 | } | |
5830 | ||
5831 | /* handle expander removal */ | |
5832 | if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING && | |
5833 | sas_expander) | |
5834 | mpt3sas_expander_remove(ioc, sas_address); | |
5835 | ||
5836 | return 0; | |
5837 | } | |
5838 | ||
5839 | /** | |
5840 | * _scsih_sas_device_status_change_event_debug - debug for device event | |
5841 | * @event_data: event data payload | |
5842 | * Context: user. | |
5843 | * | |
5844 | * Return nothing. | |
5845 | */ | |
5846 | static void | |
5847 | _scsih_sas_device_status_change_event_debug(struct MPT3SAS_ADAPTER *ioc, | |
5848 | Mpi2EventDataSasDeviceStatusChange_t *event_data) | |
5849 | { | |
5850 | char *reason_str = NULL; | |
5851 | ||
5852 | switch (event_data->ReasonCode) { | |
5853 | case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA: | |
5854 | reason_str = "smart data"; | |
5855 | break; | |
5856 | case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED: | |
5857 | reason_str = "unsupported device discovered"; | |
5858 | break; | |
5859 | case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET: | |
5860 | reason_str = "internal device reset"; | |
5861 | break; | |
5862 | case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL: | |
5863 | reason_str = "internal task abort"; | |
5864 | break; | |
5865 | case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL: | |
5866 | reason_str = "internal task abort set"; | |
5867 | break; | |
5868 | case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL: | |
5869 | reason_str = "internal clear task set"; | |
5870 | break; | |
5871 | case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL: | |
5872 | reason_str = "internal query task"; | |
5873 | break; | |
5874 | case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE: | |
5875 | reason_str = "sata init failure"; | |
5876 | break; | |
5877 | case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET: | |
5878 | reason_str = "internal device reset complete"; | |
5879 | break; | |
5880 | case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL: | |
5881 | reason_str = "internal task abort complete"; | |
5882 | break; | |
5883 | case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION: | |
5884 | reason_str = "internal async notification"; | |
5885 | break; | |
5886 | case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY: | |
5887 | reason_str = "expander reduced functionality"; | |
5888 | break; | |
5889 | case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY: | |
5890 | reason_str = "expander reduced functionality complete"; | |
5891 | break; | |
5892 | default: | |
5893 | reason_str = "unknown reason"; | |
5894 | break; | |
5895 | } | |
5896 | pr_info(MPT3SAS_FMT "device status change: (%s)\n" | |
5897 | "\thandle(0x%04x), sas address(0x%016llx), tag(%d)", | |
5898 | ioc->name, reason_str, le16_to_cpu(event_data->DevHandle), | |
5899 | (unsigned long long)le64_to_cpu(event_data->SASAddress), | |
5900 | le16_to_cpu(event_data->TaskTag)); | |
5901 | if (event_data->ReasonCode == MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA) | |
5902 | pr_info(MPT3SAS_FMT ", ASC(0x%x), ASCQ(0x%x)\n", ioc->name, | |
5903 | event_data->ASC, event_data->ASCQ); | |
5904 | pr_info("\n"); | |
5905 | } | |
5906 | ||
5907 | /** | |
5908 | * _scsih_sas_device_status_change_event - handle device status change | |
5909 | * @ioc: per adapter object | |
5910 | * @fw_event: The fw_event_work object | |
5911 | * Context: user. | |
5912 | * | |
5913 | * Return nothing. | |
5914 | */ | |
5915 | static void | |
5916 | _scsih_sas_device_status_change_event(struct MPT3SAS_ADAPTER *ioc, | |
5917 | struct fw_event_work *fw_event) | |
5918 | { | |
5919 | struct MPT3SAS_TARGET *target_priv_data; | |
5920 | struct _sas_device *sas_device; | |
5921 | u64 sas_address; | |
5922 | unsigned long flags; | |
5923 | Mpi2EventDataSasDeviceStatusChange_t *event_data = | |
5924 | (Mpi2EventDataSasDeviceStatusChange_t *) | |
5925 | fw_event->event_data; | |
5926 | ||
5927 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) | |
5928 | _scsih_sas_device_status_change_event_debug(ioc, | |
5929 | event_data); | |
5930 | ||
5931 | /* In MPI Revision K (0xC), the internal device reset complete was | |
5932 | * implemented, so avoid setting tm_busy flag for older firmware. | |
5933 | */ | |
5934 | if ((ioc->facts.HeaderVersion >> 8) < 0xC) | |
5935 | return; | |
5936 | ||
5937 | if (event_data->ReasonCode != | |
5938 | MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET && | |
5939 | event_data->ReasonCode != | |
5940 | MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET) | |
5941 | return; | |
5942 | ||
5943 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
5944 | sas_address = le64_to_cpu(event_data->SASAddress); | |
5945 | sas_device = __mpt3sas_get_sdev_by_addr(ioc, | |
5946 | sas_address); | |
5947 | ||
5948 | if (!sas_device || !sas_device->starget) | |
5949 | goto out; | |
5950 | ||
5951 | target_priv_data = sas_device->starget->hostdata; | |
5952 | if (!target_priv_data) | |
5953 | goto out; | |
5954 | ||
5955 | if (event_data->ReasonCode == | |
5956 | MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET) | |
5957 | target_priv_data->tm_busy = 1; | |
5958 | else | |
5959 | target_priv_data->tm_busy = 0; | |
5960 | ||
5961 | out: | |
5962 | if (sas_device) | |
5963 | sas_device_put(sas_device); | |
5964 | ||
5965 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
5966 | ||
5967 | } | |
5968 | ||
5969 | /** | |
5970 | * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure | |
5971 | * event | |
5972 | * @ioc: per adapter object | |
5973 | * @event_data: event data payload | |
5974 | * Context: user. | |
5975 | * | |
5976 | * Return nothing. | |
5977 | */ | |
5978 | static void | |
5979 | _scsih_sas_enclosure_dev_status_change_event_debug(struct MPT3SAS_ADAPTER *ioc, | |
5980 | Mpi2EventDataSasEnclDevStatusChange_t *event_data) | |
5981 | { | |
5982 | char *reason_str = NULL; | |
5983 | ||
5984 | switch (event_data->ReasonCode) { | |
5985 | case MPI2_EVENT_SAS_ENCL_RC_ADDED: | |
5986 | reason_str = "enclosure add"; | |
5987 | break; | |
5988 | case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING: | |
5989 | reason_str = "enclosure remove"; | |
5990 | break; | |
5991 | default: | |
5992 | reason_str = "unknown reason"; | |
5993 | break; | |
5994 | } | |
5995 | ||
5996 | pr_info(MPT3SAS_FMT "enclosure status change: (%s)\n" | |
5997 | "\thandle(0x%04x), enclosure logical id(0x%016llx)" | |
5998 | " number slots(%d)\n", ioc->name, reason_str, | |
5999 | le16_to_cpu(event_data->EnclosureHandle), | |
6000 | (unsigned long long)le64_to_cpu(event_data->EnclosureLogicalID), | |
6001 | le16_to_cpu(event_data->StartSlot)); | |
6002 | } | |
6003 | ||
6004 | /** | |
6005 | * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events | |
6006 | * @ioc: per adapter object | |
6007 | * @fw_event: The fw_event_work object | |
6008 | * Context: user. | |
6009 | * | |
6010 | * Return nothing. | |
6011 | */ | |
6012 | static void | |
6013 | _scsih_sas_enclosure_dev_status_change_event(struct MPT3SAS_ADAPTER *ioc, | |
6014 | struct fw_event_work *fw_event) | |
6015 | { | |
6016 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) | |
6017 | _scsih_sas_enclosure_dev_status_change_event_debug(ioc, | |
6018 | (Mpi2EventDataSasEnclDevStatusChange_t *) | |
6019 | fw_event->event_data); | |
6020 | } | |
6021 | ||
6022 | /** | |
6023 | * _scsih_sas_broadcast_primitive_event - handle broadcast events | |
6024 | * @ioc: per adapter object | |
6025 | * @fw_event: The fw_event_work object | |
6026 | * Context: user. | |
6027 | * | |
6028 | * Return nothing. | |
6029 | */ | |
6030 | static void | |
6031 | _scsih_sas_broadcast_primitive_event(struct MPT3SAS_ADAPTER *ioc, | |
6032 | struct fw_event_work *fw_event) | |
6033 | { | |
6034 | struct scsi_cmnd *scmd; | |
6035 | struct scsi_device *sdev; | |
6036 | u16 smid, handle; | |
6037 | u32 lun; | |
6038 | struct MPT3SAS_DEVICE *sas_device_priv_data; | |
6039 | u32 termination_count; | |
6040 | u32 query_count; | |
6041 | Mpi2SCSITaskManagementReply_t *mpi_reply; | |
6042 | Mpi2EventDataSasBroadcastPrimitive_t *event_data = | |
6043 | (Mpi2EventDataSasBroadcastPrimitive_t *) | |
6044 | fw_event->event_data; | |
6045 | u16 ioc_status; | |
6046 | unsigned long flags; | |
6047 | int r; | |
6048 | u8 max_retries = 0; | |
6049 | u8 task_abort_retries; | |
6050 | ||
6051 | mutex_lock(&ioc->tm_cmds.mutex); | |
6052 | pr_info(MPT3SAS_FMT | |
6053 | "%s: enter: phy number(%d), width(%d)\n", | |
6054 | ioc->name, __func__, event_data->PhyNum, | |
6055 | event_data->PortWidth); | |
6056 | ||
6057 | _scsih_block_io_all_device(ioc); | |
6058 | ||
6059 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
6060 | mpi_reply = ioc->tm_cmds.reply; | |
6061 | broadcast_aen_retry: | |
6062 | ||
6063 | /* sanity checks for retrying this loop */ | |
6064 | if (max_retries++ == 5) { | |
6065 | dewtprintk(ioc, pr_info(MPT3SAS_FMT "%s: giving up\n", | |
6066 | ioc->name, __func__)); | |
6067 | goto out; | |
6068 | } else if (max_retries > 1) | |
6069 | dewtprintk(ioc, pr_info(MPT3SAS_FMT "%s: %d retry\n", | |
6070 | ioc->name, __func__, max_retries - 1)); | |
6071 | ||
6072 | termination_count = 0; | |
6073 | query_count = 0; | |
6074 | for (smid = 1; smid <= ioc->scsiio_depth; smid++) { | |
6075 | if (ioc->shost_recovery) | |
6076 | goto out; | |
6077 | scmd = _scsih_scsi_lookup_get(ioc, smid); | |
6078 | if (!scmd) | |
6079 | continue; | |
6080 | sdev = scmd->device; | |
6081 | sas_device_priv_data = sdev->hostdata; | |
6082 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target) | |
6083 | continue; | |
6084 | /* skip hidden raid components */ | |
6085 | if (sas_device_priv_data->sas_target->flags & | |
6086 | MPT_TARGET_FLAGS_RAID_COMPONENT) | |
6087 | continue; | |
6088 | /* skip volumes */ | |
6089 | if (sas_device_priv_data->sas_target->flags & | |
6090 | MPT_TARGET_FLAGS_VOLUME) | |
6091 | continue; | |
6092 | ||
6093 | handle = sas_device_priv_data->sas_target->handle; | |
6094 | lun = sas_device_priv_data->lun; | |
6095 | query_count++; | |
6096 | ||
6097 | if (ioc->shost_recovery) | |
6098 | goto out; | |
6099 | ||
6100 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
6101 | r = mpt3sas_scsih_issue_tm(ioc, handle, 0, 0, lun, | |
6102 | MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30); | |
6103 | if (r == FAILED) { | |
6104 | sdev_printk(KERN_WARNING, sdev, | |
6105 | "mpt3sas_scsih_issue_tm: FAILED when sending " | |
6106 | "QUERY_TASK: scmd(%p)\n", scmd); | |
6107 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
6108 | goto broadcast_aen_retry; | |
6109 | } | |
6110 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) | |
6111 | & MPI2_IOCSTATUS_MASK; | |
6112 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
6113 | sdev_printk(KERN_WARNING, sdev, | |
6114 | "query task: FAILED with IOCSTATUS(0x%04x), scmd(%p)\n", | |
6115 | ioc_status, scmd); | |
6116 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
6117 | goto broadcast_aen_retry; | |
6118 | } | |
6119 | ||
6120 | /* see if IO is still owned by IOC and target */ | |
6121 | if (mpi_reply->ResponseCode == | |
6122 | MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED || | |
6123 | mpi_reply->ResponseCode == | |
6124 | MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC) { | |
6125 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
6126 | continue; | |
6127 | } | |
6128 | task_abort_retries = 0; | |
6129 | tm_retry: | |
6130 | if (task_abort_retries++ == 60) { | |
6131 | dewtprintk(ioc, pr_info(MPT3SAS_FMT | |
6132 | "%s: ABORT_TASK: giving up\n", ioc->name, | |
6133 | __func__)); | |
6134 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
6135 | goto broadcast_aen_retry; | |
6136 | } | |
6137 | ||
6138 | if (ioc->shost_recovery) | |
6139 | goto out_no_lock; | |
6140 | ||
6141 | r = mpt3sas_scsih_issue_tm(ioc, handle, sdev->channel, sdev->id, | |
6142 | sdev->lun, MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, | |
6143 | 30); | |
6144 | if (r == FAILED) { | |
6145 | sdev_printk(KERN_WARNING, sdev, | |
6146 | "mpt3sas_scsih_issue_tm: ABORT_TASK: FAILED : " | |
6147 | "scmd(%p)\n", scmd); | |
6148 | goto tm_retry; | |
6149 | } | |
6150 | ||
6151 | if (task_abort_retries > 1) | |
6152 | sdev_printk(KERN_WARNING, sdev, | |
6153 | "mpt3sas_scsih_issue_tm: ABORT_TASK: RETRIES (%d):" | |
6154 | " scmd(%p)\n", | |
6155 | task_abort_retries - 1, scmd); | |
6156 | ||
6157 | termination_count += le32_to_cpu(mpi_reply->TerminationCount); | |
6158 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
6159 | } | |
6160 | ||
6161 | if (ioc->broadcast_aen_pending) { | |
6162 | dewtprintk(ioc, pr_info(MPT3SAS_FMT | |
6163 | "%s: loop back due to pending AEN\n", | |
6164 | ioc->name, __func__)); | |
6165 | ioc->broadcast_aen_pending = 0; | |
6166 | goto broadcast_aen_retry; | |
6167 | } | |
6168 | ||
6169 | out: | |
6170 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
6171 | out_no_lock: | |
6172 | ||
6173 | dewtprintk(ioc, pr_info(MPT3SAS_FMT | |
6174 | "%s - exit, query_count = %d termination_count = %d\n", | |
6175 | ioc->name, __func__, query_count, termination_count)); | |
6176 | ||
6177 | ioc->broadcast_aen_busy = 0; | |
6178 | if (!ioc->shost_recovery) | |
6179 | _scsih_ublock_io_all_device(ioc); | |
6180 | mutex_unlock(&ioc->tm_cmds.mutex); | |
6181 | } | |
6182 | ||
6183 | /** | |
6184 | * _scsih_sas_discovery_event - handle discovery events | |
6185 | * @ioc: per adapter object | |
6186 | * @fw_event: The fw_event_work object | |
6187 | * Context: user. | |
6188 | * | |
6189 | * Return nothing. | |
6190 | */ | |
6191 | static void | |
6192 | _scsih_sas_discovery_event(struct MPT3SAS_ADAPTER *ioc, | |
6193 | struct fw_event_work *fw_event) | |
6194 | { | |
6195 | Mpi2EventDataSasDiscovery_t *event_data = | |
6196 | (Mpi2EventDataSasDiscovery_t *) fw_event->event_data; | |
6197 | ||
6198 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) { | |
6199 | pr_info(MPT3SAS_FMT "discovery event: (%s)", ioc->name, | |
6200 | (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ? | |
6201 | "start" : "stop"); | |
6202 | if (event_data->DiscoveryStatus) | |
6203 | pr_info("discovery_status(0x%08x)", | |
6204 | le32_to_cpu(event_data->DiscoveryStatus)); | |
6205 | pr_info("\n"); | |
6206 | } | |
6207 | ||
6208 | if (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED && | |
6209 | !ioc->sas_hba.num_phys) { | |
6210 | if (disable_discovery > 0 && ioc->shost_recovery) { | |
6211 | /* Wait for the reset to complete */ | |
6212 | while (ioc->shost_recovery) | |
6213 | ssleep(1); | |
6214 | } | |
6215 | _scsih_sas_host_add(ioc); | |
6216 | } | |
6217 | } | |
6218 | ||
6219 | /** | |
6220 | * _scsih_ir_fastpath - turn on fastpath for IR physdisk | |
6221 | * @ioc: per adapter object | |
6222 | * @handle: device handle for physical disk | |
6223 | * @phys_disk_num: physical disk number | |
6224 | * | |
6225 | * Return 0 for success, else failure. | |
6226 | */ | |
6227 | static int | |
6228 | _scsih_ir_fastpath(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phys_disk_num) | |
6229 | { | |
6230 | Mpi2RaidActionRequest_t *mpi_request; | |
6231 | Mpi2RaidActionReply_t *mpi_reply; | |
6232 | u16 smid; | |
6233 | u8 issue_reset = 0; | |
6234 | int rc = 0; | |
6235 | u16 ioc_status; | |
6236 | u32 log_info; | |
6237 | ||
6238 | if (ioc->hba_mpi_version_belonged == MPI2_VERSION) | |
6239 | return rc; | |
6240 | ||
6241 | mutex_lock(&ioc->scsih_cmds.mutex); | |
6242 | ||
6243 | if (ioc->scsih_cmds.status != MPT3_CMD_NOT_USED) { | |
6244 | pr_err(MPT3SAS_FMT "%s: scsih_cmd in use\n", | |
6245 | ioc->name, __func__); | |
6246 | rc = -EAGAIN; | |
6247 | goto out; | |
6248 | } | |
6249 | ioc->scsih_cmds.status = MPT3_CMD_PENDING; | |
6250 | ||
6251 | smid = mpt3sas_base_get_smid(ioc, ioc->scsih_cb_idx); | |
6252 | if (!smid) { | |
6253 | pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", | |
6254 | ioc->name, __func__); | |
6255 | ioc->scsih_cmds.status = MPT3_CMD_NOT_USED; | |
6256 | rc = -EAGAIN; | |
6257 | goto out; | |
6258 | } | |
6259 | ||
6260 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); | |
6261 | ioc->scsih_cmds.smid = smid; | |
6262 | memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t)); | |
6263 | ||
6264 | mpi_request->Function = MPI2_FUNCTION_RAID_ACTION; | |
6265 | mpi_request->Action = MPI2_RAID_ACTION_PHYSDISK_HIDDEN; | |
6266 | mpi_request->PhysDiskNum = phys_disk_num; | |
6267 | ||
6268 | dewtprintk(ioc, pr_info(MPT3SAS_FMT "IR RAID_ACTION: turning fast "\ | |
6269 | "path on for handle(0x%04x), phys_disk_num (0x%02x)\n", ioc->name, | |
6270 | handle, phys_disk_num)); | |
6271 | ||
6272 | init_completion(&ioc->scsih_cmds.done); | |
6273 | mpt3sas_base_put_smid_default(ioc, smid); | |
6274 | wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ); | |
6275 | ||
6276 | if (!(ioc->scsih_cmds.status & MPT3_CMD_COMPLETE)) { | |
6277 | pr_err(MPT3SAS_FMT "%s: timeout\n", | |
6278 | ioc->name, __func__); | |
6279 | if (!(ioc->scsih_cmds.status & MPT3_CMD_RESET)) | |
6280 | issue_reset = 1; | |
6281 | rc = -EFAULT; | |
6282 | goto out; | |
6283 | } | |
6284 | ||
6285 | if (ioc->scsih_cmds.status & MPT3_CMD_REPLY_VALID) { | |
6286 | ||
6287 | mpi_reply = ioc->scsih_cmds.reply; | |
6288 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus); | |
6289 | if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) | |
6290 | log_info = le32_to_cpu(mpi_reply->IOCLogInfo); | |
6291 | else | |
6292 | log_info = 0; | |
6293 | ioc_status &= MPI2_IOCSTATUS_MASK; | |
6294 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
6295 | dewtprintk(ioc, pr_info(MPT3SAS_FMT | |
6296 | "IR RAID_ACTION: failed: ioc_status(0x%04x), " | |
6297 | "loginfo(0x%08x)!!!\n", ioc->name, ioc_status, | |
6298 | log_info)); | |
6299 | rc = -EFAULT; | |
6300 | } else | |
6301 | dewtprintk(ioc, pr_info(MPT3SAS_FMT | |
6302 | "IR RAID_ACTION: completed successfully\n", | |
6303 | ioc->name)); | |
6304 | } | |
6305 | ||
6306 | out: | |
6307 | ioc->scsih_cmds.status = MPT3_CMD_NOT_USED; | |
6308 | mutex_unlock(&ioc->scsih_cmds.mutex); | |
6309 | ||
6310 | if (issue_reset) | |
6311 | mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); | |
6312 | return rc; | |
6313 | } | |
6314 | ||
6315 | /** | |
6316 | * _scsih_reprobe_lun - reprobing lun | |
6317 | * @sdev: scsi device struct | |
6318 | * @no_uld_attach: sdev->no_uld_attach flag setting | |
6319 | * | |
6320 | **/ | |
6321 | static void | |
6322 | _scsih_reprobe_lun(struct scsi_device *sdev, void *no_uld_attach) | |
6323 | { | |
6324 | sdev->no_uld_attach = no_uld_attach ? 1 : 0; | |
6325 | sdev_printk(KERN_INFO, sdev, "%s raid component\n", | |
6326 | sdev->no_uld_attach ? "hidding" : "exposing"); | |
6327 | WARN_ON(scsi_device_reprobe(sdev)); | |
6328 | } | |
6329 | ||
6330 | /** | |
6331 | * _scsih_sas_volume_add - add new volume | |
6332 | * @ioc: per adapter object | |
6333 | * @element: IR config element data | |
6334 | * Context: user. | |
6335 | * | |
6336 | * Return nothing. | |
6337 | */ | |
6338 | static void | |
6339 | _scsih_sas_volume_add(struct MPT3SAS_ADAPTER *ioc, | |
6340 | Mpi2EventIrConfigElement_t *element) | |
6341 | { | |
6342 | struct _raid_device *raid_device; | |
6343 | unsigned long flags; | |
6344 | u64 wwid; | |
6345 | u16 handle = le16_to_cpu(element->VolDevHandle); | |
6346 | int rc; | |
6347 | ||
6348 | mpt3sas_config_get_volume_wwid(ioc, handle, &wwid); | |
6349 | if (!wwid) { | |
6350 | pr_err(MPT3SAS_FMT | |
6351 | "failure at %s:%d/%s()!\n", ioc->name, | |
6352 | __FILE__, __LINE__, __func__); | |
6353 | return; | |
6354 | } | |
6355 | ||
6356 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
6357 | raid_device = _scsih_raid_device_find_by_wwid(ioc, wwid); | |
6358 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
6359 | ||
6360 | if (raid_device) | |
6361 | return; | |
6362 | ||
6363 | raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL); | |
6364 | if (!raid_device) { | |
6365 | pr_err(MPT3SAS_FMT | |
6366 | "failure at %s:%d/%s()!\n", ioc->name, | |
6367 | __FILE__, __LINE__, __func__); | |
6368 | return; | |
6369 | } | |
6370 | ||
6371 | raid_device->id = ioc->sas_id++; | |
6372 | raid_device->channel = RAID_CHANNEL; | |
6373 | raid_device->handle = handle; | |
6374 | raid_device->wwid = wwid; | |
6375 | _scsih_raid_device_add(ioc, raid_device); | |
6376 | if (!ioc->wait_for_discovery_to_complete) { | |
6377 | rc = scsi_add_device(ioc->shost, RAID_CHANNEL, | |
6378 | raid_device->id, 0); | |
6379 | if (rc) | |
6380 | _scsih_raid_device_remove(ioc, raid_device); | |
6381 | } else { | |
6382 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
6383 | _scsih_determine_boot_device(ioc, raid_device, 1); | |
6384 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
6385 | } | |
6386 | } | |
6387 | ||
6388 | /** | |
6389 | * _scsih_sas_volume_delete - delete volume | |
6390 | * @ioc: per adapter object | |
6391 | * @handle: volume device handle | |
6392 | * Context: user. | |
6393 | * | |
6394 | * Return nothing. | |
6395 | */ | |
6396 | static void | |
6397 | _scsih_sas_volume_delete(struct MPT3SAS_ADAPTER *ioc, u16 handle) | |
6398 | { | |
6399 | struct _raid_device *raid_device; | |
6400 | unsigned long flags; | |
6401 | struct MPT3SAS_TARGET *sas_target_priv_data; | |
6402 | struct scsi_target *starget = NULL; | |
6403 | ||
6404 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
6405 | raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle); | |
6406 | if (raid_device) { | |
6407 | if (raid_device->starget) { | |
6408 | starget = raid_device->starget; | |
6409 | sas_target_priv_data = starget->hostdata; | |
6410 | sas_target_priv_data->deleted = 1; | |
6411 | } | |
6412 | pr_info(MPT3SAS_FMT "removing handle(0x%04x), wwid(0x%016llx)\n", | |
6413 | ioc->name, raid_device->handle, | |
6414 | (unsigned long long) raid_device->wwid); | |
6415 | list_del(&raid_device->list); | |
6416 | kfree(raid_device); | |
6417 | } | |
6418 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
6419 | if (starget) | |
6420 | scsi_remove_target(&starget->dev); | |
6421 | } | |
6422 | ||
6423 | /** | |
6424 | * _scsih_sas_pd_expose - expose pd component to /dev/sdX | |
6425 | * @ioc: per adapter object | |
6426 | * @element: IR config element data | |
6427 | * Context: user. | |
6428 | * | |
6429 | * Return nothing. | |
6430 | */ | |
6431 | static void | |
6432 | _scsih_sas_pd_expose(struct MPT3SAS_ADAPTER *ioc, | |
6433 | Mpi2EventIrConfigElement_t *element) | |
6434 | { | |
6435 | struct _sas_device *sas_device; | |
6436 | struct scsi_target *starget = NULL; | |
6437 | struct MPT3SAS_TARGET *sas_target_priv_data; | |
6438 | unsigned long flags; | |
6439 | u16 handle = le16_to_cpu(element->PhysDiskDevHandle); | |
6440 | ||
6441 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
6442 | sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle); | |
6443 | if (sas_device) { | |
6444 | sas_device->volume_handle = 0; | |
6445 | sas_device->volume_wwid = 0; | |
6446 | clear_bit(handle, ioc->pd_handles); | |
6447 | if (sas_device->starget && sas_device->starget->hostdata) { | |
6448 | starget = sas_device->starget; | |
6449 | sas_target_priv_data = starget->hostdata; | |
6450 | sas_target_priv_data->flags &= | |
6451 | ~MPT_TARGET_FLAGS_RAID_COMPONENT; | |
6452 | } | |
6453 | } | |
6454 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
6455 | if (!sas_device) | |
6456 | return; | |
6457 | ||
6458 | /* exposing raid component */ | |
6459 | if (starget) | |
6460 | starget_for_each_device(starget, NULL, _scsih_reprobe_lun); | |
6461 | ||
6462 | sas_device_put(sas_device); | |
6463 | } | |
6464 | ||
6465 | /** | |
6466 | * _scsih_sas_pd_hide - hide pd component from /dev/sdX | |
6467 | * @ioc: per adapter object | |
6468 | * @element: IR config element data | |
6469 | * Context: user. | |
6470 | * | |
6471 | * Return nothing. | |
6472 | */ | |
6473 | static void | |
6474 | _scsih_sas_pd_hide(struct MPT3SAS_ADAPTER *ioc, | |
6475 | Mpi2EventIrConfigElement_t *element) | |
6476 | { | |
6477 | struct _sas_device *sas_device; | |
6478 | struct scsi_target *starget = NULL; | |
6479 | struct MPT3SAS_TARGET *sas_target_priv_data; | |
6480 | unsigned long flags; | |
6481 | u16 handle = le16_to_cpu(element->PhysDiskDevHandle); | |
6482 | u16 volume_handle = 0; | |
6483 | u64 volume_wwid = 0; | |
6484 | ||
6485 | mpt3sas_config_get_volume_handle(ioc, handle, &volume_handle); | |
6486 | if (volume_handle) | |
6487 | mpt3sas_config_get_volume_wwid(ioc, volume_handle, | |
6488 | &volume_wwid); | |
6489 | ||
6490 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
6491 | sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle); | |
6492 | if (sas_device) { | |
6493 | set_bit(handle, ioc->pd_handles); | |
6494 | if (sas_device->starget && sas_device->starget->hostdata) { | |
6495 | starget = sas_device->starget; | |
6496 | sas_target_priv_data = starget->hostdata; | |
6497 | sas_target_priv_data->flags |= | |
6498 | MPT_TARGET_FLAGS_RAID_COMPONENT; | |
6499 | sas_device->volume_handle = volume_handle; | |
6500 | sas_device->volume_wwid = volume_wwid; | |
6501 | } | |
6502 | } | |
6503 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
6504 | if (!sas_device) | |
6505 | return; | |
6506 | ||
6507 | /* hiding raid component */ | |
6508 | _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum); | |
6509 | ||
6510 | if (starget) | |
6511 | starget_for_each_device(starget, (void *)1, _scsih_reprobe_lun); | |
6512 | ||
6513 | sas_device_put(sas_device); | |
6514 | } | |
6515 | ||
6516 | /** | |
6517 | * _scsih_sas_pd_delete - delete pd component | |
6518 | * @ioc: per adapter object | |
6519 | * @element: IR config element data | |
6520 | * Context: user. | |
6521 | * | |
6522 | * Return nothing. | |
6523 | */ | |
6524 | static void | |
6525 | _scsih_sas_pd_delete(struct MPT3SAS_ADAPTER *ioc, | |
6526 | Mpi2EventIrConfigElement_t *element) | |
6527 | { | |
6528 | u16 handle = le16_to_cpu(element->PhysDiskDevHandle); | |
6529 | ||
6530 | _scsih_device_remove_by_handle(ioc, handle); | |
6531 | } | |
6532 | ||
6533 | /** | |
6534 | * _scsih_sas_pd_add - remove pd component | |
6535 | * @ioc: per adapter object | |
6536 | * @element: IR config element data | |
6537 | * Context: user. | |
6538 | * | |
6539 | * Return nothing. | |
6540 | */ | |
6541 | static void | |
6542 | _scsih_sas_pd_add(struct MPT3SAS_ADAPTER *ioc, | |
6543 | Mpi2EventIrConfigElement_t *element) | |
6544 | { | |
6545 | struct _sas_device *sas_device; | |
6546 | u16 handle = le16_to_cpu(element->PhysDiskDevHandle); | |
6547 | Mpi2ConfigReply_t mpi_reply; | |
6548 | Mpi2SasDevicePage0_t sas_device_pg0; | |
6549 | u32 ioc_status; | |
6550 | u64 sas_address; | |
6551 | u16 parent_handle; | |
6552 | ||
6553 | set_bit(handle, ioc->pd_handles); | |
6554 | ||
6555 | sas_device = mpt3sas_get_sdev_by_handle(ioc, handle); | |
6556 | if (sas_device) { | |
6557 | _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum); | |
6558 | sas_device_put(sas_device); | |
6559 | return; | |
6560 | } | |
6561 | ||
6562 | if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
6563 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { | |
6564 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
6565 | ioc->name, __FILE__, __LINE__, __func__); | |
6566 | return; | |
6567 | } | |
6568 | ||
6569 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
6570 | MPI2_IOCSTATUS_MASK; | |
6571 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
6572 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
6573 | ioc->name, __FILE__, __LINE__, __func__); | |
6574 | return; | |
6575 | } | |
6576 | ||
6577 | parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); | |
6578 | if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) | |
6579 | mpt3sas_transport_update_links(ioc, sas_address, handle, | |
6580 | sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5); | |
6581 | ||
6582 | _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum); | |
6583 | _scsih_add_device(ioc, handle, 0, 1); | |
6584 | } | |
6585 | ||
6586 | /** | |
6587 | * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events | |
6588 | * @ioc: per adapter object | |
6589 | * @event_data: event data payload | |
6590 | * Context: user. | |
6591 | * | |
6592 | * Return nothing. | |
6593 | */ | |
6594 | static void | |
6595 | _scsih_sas_ir_config_change_event_debug(struct MPT3SAS_ADAPTER *ioc, | |
6596 | Mpi2EventDataIrConfigChangeList_t *event_data) | |
6597 | { | |
6598 | Mpi2EventIrConfigElement_t *element; | |
6599 | u8 element_type; | |
6600 | int i; | |
6601 | char *reason_str = NULL, *element_str = NULL; | |
6602 | ||
6603 | element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; | |
6604 | ||
6605 | pr_info(MPT3SAS_FMT "raid config change: (%s), elements(%d)\n", | |
6606 | ioc->name, (le32_to_cpu(event_data->Flags) & | |
6607 | MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? | |
6608 | "foreign" : "native", event_data->NumElements); | |
6609 | for (i = 0; i < event_data->NumElements; i++, element++) { | |
6610 | switch (element->ReasonCode) { | |
6611 | case MPI2_EVENT_IR_CHANGE_RC_ADDED: | |
6612 | reason_str = "add"; | |
6613 | break; | |
6614 | case MPI2_EVENT_IR_CHANGE_RC_REMOVED: | |
6615 | reason_str = "remove"; | |
6616 | break; | |
6617 | case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE: | |
6618 | reason_str = "no change"; | |
6619 | break; | |
6620 | case MPI2_EVENT_IR_CHANGE_RC_HIDE: | |
6621 | reason_str = "hide"; | |
6622 | break; | |
6623 | case MPI2_EVENT_IR_CHANGE_RC_UNHIDE: | |
6624 | reason_str = "unhide"; | |
6625 | break; | |
6626 | case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: | |
6627 | reason_str = "volume_created"; | |
6628 | break; | |
6629 | case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: | |
6630 | reason_str = "volume_deleted"; | |
6631 | break; | |
6632 | case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: | |
6633 | reason_str = "pd_created"; | |
6634 | break; | |
6635 | case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: | |
6636 | reason_str = "pd_deleted"; | |
6637 | break; | |
6638 | default: | |
6639 | reason_str = "unknown reason"; | |
6640 | break; | |
6641 | } | |
6642 | element_type = le16_to_cpu(element->ElementFlags) & | |
6643 | MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK; | |
6644 | switch (element_type) { | |
6645 | case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT: | |
6646 | element_str = "volume"; | |
6647 | break; | |
6648 | case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT: | |
6649 | element_str = "phys disk"; | |
6650 | break; | |
6651 | case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT: | |
6652 | element_str = "hot spare"; | |
6653 | break; | |
6654 | default: | |
6655 | element_str = "unknown element"; | |
6656 | break; | |
6657 | } | |
6658 | pr_info("\t(%s:%s), vol handle(0x%04x), " \ | |
6659 | "pd handle(0x%04x), pd num(0x%02x)\n", element_str, | |
6660 | reason_str, le16_to_cpu(element->VolDevHandle), | |
6661 | le16_to_cpu(element->PhysDiskDevHandle), | |
6662 | element->PhysDiskNum); | |
6663 | } | |
6664 | } | |
6665 | ||
6666 | /** | |
6667 | * _scsih_sas_ir_config_change_event - handle ir configuration change events | |
6668 | * @ioc: per adapter object | |
6669 | * @fw_event: The fw_event_work object | |
6670 | * Context: user. | |
6671 | * | |
6672 | * Return nothing. | |
6673 | */ | |
6674 | static void | |
6675 | _scsih_sas_ir_config_change_event(struct MPT3SAS_ADAPTER *ioc, | |
6676 | struct fw_event_work *fw_event) | |
6677 | { | |
6678 | Mpi2EventIrConfigElement_t *element; | |
6679 | int i; | |
6680 | u8 foreign_config; | |
6681 | Mpi2EventDataIrConfigChangeList_t *event_data = | |
6682 | (Mpi2EventDataIrConfigChangeList_t *) | |
6683 | fw_event->event_data; | |
6684 | ||
6685 | if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) && | |
6686 | (!ioc->hide_ir_msg)) | |
6687 | _scsih_sas_ir_config_change_event_debug(ioc, event_data); | |
6688 | ||
6689 | foreign_config = (le32_to_cpu(event_data->Flags) & | |
6690 | MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0; | |
6691 | ||
6692 | element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; | |
6693 | if (ioc->shost_recovery && | |
6694 | ioc->hba_mpi_version_belonged != MPI2_VERSION) { | |
6695 | for (i = 0; i < event_data->NumElements; i++, element++) { | |
6696 | if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_HIDE) | |
6697 | _scsih_ir_fastpath(ioc, | |
6698 | le16_to_cpu(element->PhysDiskDevHandle), | |
6699 | element->PhysDiskNum); | |
6700 | } | |
6701 | return; | |
6702 | } | |
6703 | ||
6704 | for (i = 0; i < event_data->NumElements; i++, element++) { | |
6705 | ||
6706 | switch (element->ReasonCode) { | |
6707 | case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: | |
6708 | case MPI2_EVENT_IR_CHANGE_RC_ADDED: | |
6709 | if (!foreign_config) | |
6710 | _scsih_sas_volume_add(ioc, element); | |
6711 | break; | |
6712 | case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: | |
6713 | case MPI2_EVENT_IR_CHANGE_RC_REMOVED: | |
6714 | if (!foreign_config) | |
6715 | _scsih_sas_volume_delete(ioc, | |
6716 | le16_to_cpu(element->VolDevHandle)); | |
6717 | break; | |
6718 | case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: | |
6719 | if (!ioc->is_warpdrive) | |
6720 | _scsih_sas_pd_hide(ioc, element); | |
6721 | break; | |
6722 | case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: | |
6723 | if (!ioc->is_warpdrive) | |
6724 | _scsih_sas_pd_expose(ioc, element); | |
6725 | break; | |
6726 | case MPI2_EVENT_IR_CHANGE_RC_HIDE: | |
6727 | if (!ioc->is_warpdrive) | |
6728 | _scsih_sas_pd_add(ioc, element); | |
6729 | break; | |
6730 | case MPI2_EVENT_IR_CHANGE_RC_UNHIDE: | |
6731 | if (!ioc->is_warpdrive) | |
6732 | _scsih_sas_pd_delete(ioc, element); | |
6733 | break; | |
6734 | } | |
6735 | } | |
6736 | } | |
6737 | ||
6738 | /** | |
6739 | * _scsih_sas_ir_volume_event - IR volume event | |
6740 | * @ioc: per adapter object | |
6741 | * @fw_event: The fw_event_work object | |
6742 | * Context: user. | |
6743 | * | |
6744 | * Return nothing. | |
6745 | */ | |
6746 | static void | |
6747 | _scsih_sas_ir_volume_event(struct MPT3SAS_ADAPTER *ioc, | |
6748 | struct fw_event_work *fw_event) | |
6749 | { | |
6750 | u64 wwid; | |
6751 | unsigned long flags; | |
6752 | struct _raid_device *raid_device; | |
6753 | u16 handle; | |
6754 | u32 state; | |
6755 | int rc; | |
6756 | Mpi2EventDataIrVolume_t *event_data = | |
6757 | (Mpi2EventDataIrVolume_t *) fw_event->event_data; | |
6758 | ||
6759 | if (ioc->shost_recovery) | |
6760 | return; | |
6761 | ||
6762 | if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED) | |
6763 | return; | |
6764 | ||
6765 | handle = le16_to_cpu(event_data->VolDevHandle); | |
6766 | state = le32_to_cpu(event_data->NewValue); | |
6767 | if (!ioc->hide_ir_msg) | |
6768 | dewtprintk(ioc, pr_info(MPT3SAS_FMT | |
6769 | "%s: handle(0x%04x), old(0x%08x), new(0x%08x)\n", | |
6770 | ioc->name, __func__, handle, | |
6771 | le32_to_cpu(event_data->PreviousValue), state)); | |
6772 | switch (state) { | |
6773 | case MPI2_RAID_VOL_STATE_MISSING: | |
6774 | case MPI2_RAID_VOL_STATE_FAILED: | |
6775 | _scsih_sas_volume_delete(ioc, handle); | |
6776 | break; | |
6777 | ||
6778 | case MPI2_RAID_VOL_STATE_ONLINE: | |
6779 | case MPI2_RAID_VOL_STATE_DEGRADED: | |
6780 | case MPI2_RAID_VOL_STATE_OPTIMAL: | |
6781 | ||
6782 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
6783 | raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle); | |
6784 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
6785 | ||
6786 | if (raid_device) | |
6787 | break; | |
6788 | ||
6789 | mpt3sas_config_get_volume_wwid(ioc, handle, &wwid); | |
6790 | if (!wwid) { | |
6791 | pr_err(MPT3SAS_FMT | |
6792 | "failure at %s:%d/%s()!\n", ioc->name, | |
6793 | __FILE__, __LINE__, __func__); | |
6794 | break; | |
6795 | } | |
6796 | ||
6797 | raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL); | |
6798 | if (!raid_device) { | |
6799 | pr_err(MPT3SAS_FMT | |
6800 | "failure at %s:%d/%s()!\n", ioc->name, | |
6801 | __FILE__, __LINE__, __func__); | |
6802 | break; | |
6803 | } | |
6804 | ||
6805 | raid_device->id = ioc->sas_id++; | |
6806 | raid_device->channel = RAID_CHANNEL; | |
6807 | raid_device->handle = handle; | |
6808 | raid_device->wwid = wwid; | |
6809 | _scsih_raid_device_add(ioc, raid_device); | |
6810 | rc = scsi_add_device(ioc->shost, RAID_CHANNEL, | |
6811 | raid_device->id, 0); | |
6812 | if (rc) | |
6813 | _scsih_raid_device_remove(ioc, raid_device); | |
6814 | break; | |
6815 | ||
6816 | case MPI2_RAID_VOL_STATE_INITIALIZING: | |
6817 | default: | |
6818 | break; | |
6819 | } | |
6820 | } | |
6821 | ||
6822 | /** | |
6823 | * _scsih_sas_ir_physical_disk_event - PD event | |
6824 | * @ioc: per adapter object | |
6825 | * @fw_event: The fw_event_work object | |
6826 | * Context: user. | |
6827 | * | |
6828 | * Return nothing. | |
6829 | */ | |
6830 | static void | |
6831 | _scsih_sas_ir_physical_disk_event(struct MPT3SAS_ADAPTER *ioc, | |
6832 | struct fw_event_work *fw_event) | |
6833 | { | |
6834 | u16 handle, parent_handle; | |
6835 | u32 state; | |
6836 | struct _sas_device *sas_device; | |
6837 | Mpi2ConfigReply_t mpi_reply; | |
6838 | Mpi2SasDevicePage0_t sas_device_pg0; | |
6839 | u32 ioc_status; | |
6840 | Mpi2EventDataIrPhysicalDisk_t *event_data = | |
6841 | (Mpi2EventDataIrPhysicalDisk_t *) fw_event->event_data; | |
6842 | u64 sas_address; | |
6843 | ||
6844 | if (ioc->shost_recovery) | |
6845 | return; | |
6846 | ||
6847 | if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED) | |
6848 | return; | |
6849 | ||
6850 | handle = le16_to_cpu(event_data->PhysDiskDevHandle); | |
6851 | state = le32_to_cpu(event_data->NewValue); | |
6852 | ||
6853 | if (!ioc->hide_ir_msg) | |
6854 | dewtprintk(ioc, pr_info(MPT3SAS_FMT | |
6855 | "%s: handle(0x%04x), old(0x%08x), new(0x%08x)\n", | |
6856 | ioc->name, __func__, handle, | |
6857 | le32_to_cpu(event_data->PreviousValue), state)); | |
6858 | ||
6859 | switch (state) { | |
6860 | case MPI2_RAID_PD_STATE_ONLINE: | |
6861 | case MPI2_RAID_PD_STATE_DEGRADED: | |
6862 | case MPI2_RAID_PD_STATE_REBUILDING: | |
6863 | case MPI2_RAID_PD_STATE_OPTIMAL: | |
6864 | case MPI2_RAID_PD_STATE_HOT_SPARE: | |
6865 | ||
6866 | if (!ioc->is_warpdrive) | |
6867 | set_bit(handle, ioc->pd_handles); | |
6868 | ||
6869 | sas_device = mpt3sas_get_sdev_by_handle(ioc, handle); | |
6870 | if (sas_device) { | |
6871 | sas_device_put(sas_device); | |
6872 | return; | |
6873 | } | |
6874 | ||
6875 | if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, | |
6876 | &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, | |
6877 | handle))) { | |
6878 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
6879 | ioc->name, __FILE__, __LINE__, __func__); | |
6880 | return; | |
6881 | } | |
6882 | ||
6883 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
6884 | MPI2_IOCSTATUS_MASK; | |
6885 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
6886 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
6887 | ioc->name, __FILE__, __LINE__, __func__); | |
6888 | return; | |
6889 | } | |
6890 | ||
6891 | parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); | |
6892 | if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) | |
6893 | mpt3sas_transport_update_links(ioc, sas_address, handle, | |
6894 | sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5); | |
6895 | ||
6896 | _scsih_add_device(ioc, handle, 0, 1); | |
6897 | ||
6898 | break; | |
6899 | ||
6900 | case MPI2_RAID_PD_STATE_OFFLINE: | |
6901 | case MPI2_RAID_PD_STATE_NOT_CONFIGURED: | |
6902 | case MPI2_RAID_PD_STATE_NOT_COMPATIBLE: | |
6903 | default: | |
6904 | break; | |
6905 | } | |
6906 | } | |
6907 | ||
6908 | /** | |
6909 | * _scsih_sas_ir_operation_status_event_debug - debug for IR op event | |
6910 | * @ioc: per adapter object | |
6911 | * @event_data: event data payload | |
6912 | * Context: user. | |
6913 | * | |
6914 | * Return nothing. | |
6915 | */ | |
6916 | static void | |
6917 | _scsih_sas_ir_operation_status_event_debug(struct MPT3SAS_ADAPTER *ioc, | |
6918 | Mpi2EventDataIrOperationStatus_t *event_data) | |
6919 | { | |
6920 | char *reason_str = NULL; | |
6921 | ||
6922 | switch (event_data->RAIDOperation) { | |
6923 | case MPI2_EVENT_IR_RAIDOP_RESYNC: | |
6924 | reason_str = "resync"; | |
6925 | break; | |
6926 | case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION: | |
6927 | reason_str = "online capacity expansion"; | |
6928 | break; | |
6929 | case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK: | |
6930 | reason_str = "consistency check"; | |
6931 | break; | |
6932 | case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT: | |
6933 | reason_str = "background init"; | |
6934 | break; | |
6935 | case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT: | |
6936 | reason_str = "make data consistent"; | |
6937 | break; | |
6938 | } | |
6939 | ||
6940 | if (!reason_str) | |
6941 | return; | |
6942 | ||
6943 | pr_info(MPT3SAS_FMT "raid operational status: (%s)" \ | |
6944 | "\thandle(0x%04x), percent complete(%d)\n", | |
6945 | ioc->name, reason_str, | |
6946 | le16_to_cpu(event_data->VolDevHandle), | |
6947 | event_data->PercentComplete); | |
6948 | } | |
6949 | ||
6950 | /** | |
6951 | * _scsih_sas_ir_operation_status_event - handle RAID operation events | |
6952 | * @ioc: per adapter object | |
6953 | * @fw_event: The fw_event_work object | |
6954 | * Context: user. | |
6955 | * | |
6956 | * Return nothing. | |
6957 | */ | |
6958 | static void | |
6959 | _scsih_sas_ir_operation_status_event(struct MPT3SAS_ADAPTER *ioc, | |
6960 | struct fw_event_work *fw_event) | |
6961 | { | |
6962 | Mpi2EventDataIrOperationStatus_t *event_data = | |
6963 | (Mpi2EventDataIrOperationStatus_t *) | |
6964 | fw_event->event_data; | |
6965 | static struct _raid_device *raid_device; | |
6966 | unsigned long flags; | |
6967 | u16 handle; | |
6968 | ||
6969 | if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) && | |
6970 | (!ioc->hide_ir_msg)) | |
6971 | _scsih_sas_ir_operation_status_event_debug(ioc, | |
6972 | event_data); | |
6973 | ||
6974 | /* code added for raid transport support */ | |
6975 | if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) { | |
6976 | ||
6977 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
6978 | handle = le16_to_cpu(event_data->VolDevHandle); | |
6979 | raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle); | |
6980 | if (raid_device) | |
6981 | raid_device->percent_complete = | |
6982 | event_data->PercentComplete; | |
6983 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
6984 | } | |
6985 | } | |
6986 | ||
6987 | /** | |
6988 | * _scsih_prep_device_scan - initialize parameters prior to device scan | |
6989 | * @ioc: per adapter object | |
6990 | * | |
6991 | * Set the deleted flag prior to device scan. If the device is found during | |
6992 | * the scan, then we clear the deleted flag. | |
6993 | */ | |
6994 | static void | |
6995 | _scsih_prep_device_scan(struct MPT3SAS_ADAPTER *ioc) | |
6996 | { | |
6997 | struct MPT3SAS_DEVICE *sas_device_priv_data; | |
6998 | struct scsi_device *sdev; | |
6999 | ||
7000 | shost_for_each_device(sdev, ioc->shost) { | |
7001 | sas_device_priv_data = sdev->hostdata; | |
7002 | if (sas_device_priv_data && sas_device_priv_data->sas_target) | |
7003 | sas_device_priv_data->sas_target->deleted = 1; | |
7004 | } | |
7005 | } | |
7006 | ||
7007 | /** | |
7008 | * _scsih_mark_responding_sas_device - mark a sas_devices as responding | |
7009 | * @ioc: per adapter object | |
7010 | * @sas_device_pg0: SAS Device page 0 | |
7011 | * | |
7012 | * After host reset, find out whether devices are still responding. | |
7013 | * Used in _scsih_remove_unresponsive_sas_devices. | |
7014 | * | |
7015 | * Return nothing. | |
7016 | */ | |
7017 | static void | |
7018 | _scsih_mark_responding_sas_device(struct MPT3SAS_ADAPTER *ioc, | |
7019 | Mpi2SasDevicePage0_t *sas_device_pg0) | |
7020 | { | |
7021 | struct MPT3SAS_TARGET *sas_target_priv_data = NULL; | |
7022 | struct scsi_target *starget; | |
7023 | struct _sas_device *sas_device; | |
7024 | unsigned long flags; | |
7025 | ||
7026 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
7027 | list_for_each_entry(sas_device, &ioc->sas_device_list, list) { | |
7028 | if ((sas_device->sas_address == sas_device_pg0->SASAddress) && | |
7029 | (sas_device->slot == sas_device_pg0->Slot)) { | |
7030 | sas_device->responding = 1; | |
7031 | starget = sas_device->starget; | |
7032 | if (starget && starget->hostdata) { | |
7033 | sas_target_priv_data = starget->hostdata; | |
7034 | sas_target_priv_data->tm_busy = 0; | |
7035 | sas_target_priv_data->deleted = 0; | |
7036 | } else | |
7037 | sas_target_priv_data = NULL; | |
7038 | if (starget) { | |
7039 | starget_printk(KERN_INFO, starget, | |
7040 | "handle(0x%04x), sas_addr(0x%016llx)\n", | |
7041 | sas_device_pg0->DevHandle, | |
7042 | (unsigned long long) | |
7043 | sas_device->sas_address); | |
7044 | ||
7045 | if (sas_device->enclosure_handle != 0) | |
7046 | starget_printk(KERN_INFO, starget, | |
7047 | "enclosure logical id(0x%016llx)," | |
7048 | " slot(%d)\n", | |
7049 | (unsigned long long) | |
7050 | sas_device->enclosure_logical_id, | |
7051 | sas_device->slot); | |
7052 | } | |
7053 | if (sas_device_pg0->Flags & | |
7054 | MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) { | |
7055 | sas_device->enclosure_level = | |
7056 | le16_to_cpu(sas_device_pg0->EnclosureLevel); | |
7057 | memcpy(&sas_device->connector_name[0], | |
7058 | &sas_device_pg0->ConnectorName[0], 4); | |
7059 | } else { | |
7060 | sas_device->enclosure_level = 0; | |
7061 | sas_device->connector_name[0] = '\0'; | |
7062 | } | |
7063 | ||
7064 | if (sas_device->handle == sas_device_pg0->DevHandle) | |
7065 | goto out; | |
7066 | pr_info("\thandle changed from(0x%04x)!!!\n", | |
7067 | sas_device->handle); | |
7068 | sas_device->handle = sas_device_pg0->DevHandle; | |
7069 | if (sas_target_priv_data) | |
7070 | sas_target_priv_data->handle = | |
7071 | sas_device_pg0->DevHandle; | |
7072 | goto out; | |
7073 | } | |
7074 | } | |
7075 | out: | |
7076 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
7077 | } | |
7078 | ||
7079 | /** | |
7080 | * _scsih_search_responding_sas_devices - | |
7081 | * @ioc: per adapter object | |
7082 | * | |
7083 | * After host reset, find out whether devices are still responding. | |
7084 | * If not remove. | |
7085 | * | |
7086 | * Return nothing. | |
7087 | */ | |
7088 | static void | |
7089 | _scsih_search_responding_sas_devices(struct MPT3SAS_ADAPTER *ioc) | |
7090 | { | |
7091 | Mpi2SasDevicePage0_t sas_device_pg0; | |
7092 | Mpi2ConfigReply_t mpi_reply; | |
7093 | u16 ioc_status; | |
7094 | u16 handle; | |
7095 | u32 device_info; | |
7096 | ||
7097 | pr_info(MPT3SAS_FMT "search for end-devices: start\n", ioc->name); | |
7098 | ||
7099 | if (list_empty(&ioc->sas_device_list)) | |
7100 | goto out; | |
7101 | ||
7102 | handle = 0xFFFF; | |
7103 | while (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, | |
7104 | &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, | |
7105 | handle))) { | |
7106 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
7107 | MPI2_IOCSTATUS_MASK; | |
7108 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) | |
7109 | break; | |
7110 | handle = sas_device_pg0.DevHandle = | |
7111 | le16_to_cpu(sas_device_pg0.DevHandle); | |
7112 | device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); | |
7113 | if (!(_scsih_is_end_device(device_info))) | |
7114 | continue; | |
7115 | sas_device_pg0.SASAddress = | |
7116 | le64_to_cpu(sas_device_pg0.SASAddress); | |
7117 | sas_device_pg0.Slot = le16_to_cpu(sas_device_pg0.Slot); | |
7118 | _scsih_mark_responding_sas_device(ioc, &sas_device_pg0); | |
7119 | } | |
7120 | ||
7121 | out: | |
7122 | pr_info(MPT3SAS_FMT "search for end-devices: complete\n", | |
7123 | ioc->name); | |
7124 | } | |
7125 | ||
7126 | /** | |
7127 | * _scsih_mark_responding_raid_device - mark a raid_device as responding | |
7128 | * @ioc: per adapter object | |
7129 | * @wwid: world wide identifier for raid volume | |
7130 | * @handle: device handle | |
7131 | * | |
7132 | * After host reset, find out whether devices are still responding. | |
7133 | * Used in _scsih_remove_unresponsive_raid_devices. | |
7134 | * | |
7135 | * Return nothing. | |
7136 | */ | |
7137 | static void | |
7138 | _scsih_mark_responding_raid_device(struct MPT3SAS_ADAPTER *ioc, u64 wwid, | |
7139 | u16 handle) | |
7140 | { | |
7141 | struct MPT3SAS_TARGET *sas_target_priv_data = NULL; | |
7142 | struct scsi_target *starget; | |
7143 | struct _raid_device *raid_device; | |
7144 | unsigned long flags; | |
7145 | ||
7146 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
7147 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { | |
7148 | if (raid_device->wwid == wwid && raid_device->starget) { | |
7149 | starget = raid_device->starget; | |
7150 | if (starget && starget->hostdata) { | |
7151 | sas_target_priv_data = starget->hostdata; | |
7152 | sas_target_priv_data->deleted = 0; | |
7153 | } else | |
7154 | sas_target_priv_data = NULL; | |
7155 | raid_device->responding = 1; | |
7156 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
7157 | starget_printk(KERN_INFO, raid_device->starget, | |
7158 | "handle(0x%04x), wwid(0x%016llx)\n", handle, | |
7159 | (unsigned long long)raid_device->wwid); | |
7160 | ||
7161 | /* | |
7162 | * WARPDRIVE: The handles of the PDs might have changed | |
7163 | * across the host reset so re-initialize the | |
7164 | * required data for Direct IO | |
7165 | */ | |
7166 | mpt3sas_init_warpdrive_properties(ioc, raid_device); | |
7167 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
7168 | if (raid_device->handle == handle) { | |
7169 | spin_unlock_irqrestore(&ioc->raid_device_lock, | |
7170 | flags); | |
7171 | return; | |
7172 | } | |
7173 | pr_info("\thandle changed from(0x%04x)!!!\n", | |
7174 | raid_device->handle); | |
7175 | raid_device->handle = handle; | |
7176 | if (sas_target_priv_data) | |
7177 | sas_target_priv_data->handle = handle; | |
7178 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
7179 | return; | |
7180 | } | |
7181 | } | |
7182 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
7183 | } | |
7184 | ||
7185 | /** | |
7186 | * _scsih_search_responding_raid_devices - | |
7187 | * @ioc: per adapter object | |
7188 | * | |
7189 | * After host reset, find out whether devices are still responding. | |
7190 | * If not remove. | |
7191 | * | |
7192 | * Return nothing. | |
7193 | */ | |
7194 | static void | |
7195 | _scsih_search_responding_raid_devices(struct MPT3SAS_ADAPTER *ioc) | |
7196 | { | |
7197 | Mpi2RaidVolPage1_t volume_pg1; | |
7198 | Mpi2RaidVolPage0_t volume_pg0; | |
7199 | Mpi2RaidPhysDiskPage0_t pd_pg0; | |
7200 | Mpi2ConfigReply_t mpi_reply; | |
7201 | u16 ioc_status; | |
7202 | u16 handle; | |
7203 | u8 phys_disk_num; | |
7204 | ||
7205 | if (!ioc->ir_firmware) | |
7206 | return; | |
7207 | ||
7208 | pr_info(MPT3SAS_FMT "search for raid volumes: start\n", | |
7209 | ioc->name); | |
7210 | ||
7211 | if (list_empty(&ioc->raid_device_list)) | |
7212 | goto out; | |
7213 | ||
7214 | handle = 0xFFFF; | |
7215 | while (!(mpt3sas_config_get_raid_volume_pg1(ioc, &mpi_reply, | |
7216 | &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) { | |
7217 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
7218 | MPI2_IOCSTATUS_MASK; | |
7219 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) | |
7220 | break; | |
7221 | handle = le16_to_cpu(volume_pg1.DevHandle); | |
7222 | ||
7223 | if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, | |
7224 | &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle, | |
7225 | sizeof(Mpi2RaidVolPage0_t))) | |
7226 | continue; | |
7227 | ||
7228 | if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL || | |
7229 | volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE || | |
7230 | volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED) | |
7231 | _scsih_mark_responding_raid_device(ioc, | |
7232 | le64_to_cpu(volume_pg1.WWID), handle); | |
7233 | } | |
7234 | ||
7235 | /* refresh the pd_handles */ | |
7236 | if (!ioc->is_warpdrive) { | |
7237 | phys_disk_num = 0xFF; | |
7238 | memset(ioc->pd_handles, 0, ioc->pd_handles_sz); | |
7239 | while (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply, | |
7240 | &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM, | |
7241 | phys_disk_num))) { | |
7242 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
7243 | MPI2_IOCSTATUS_MASK; | |
7244 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) | |
7245 | break; | |
7246 | phys_disk_num = pd_pg0.PhysDiskNum; | |
7247 | handle = le16_to_cpu(pd_pg0.DevHandle); | |
7248 | set_bit(handle, ioc->pd_handles); | |
7249 | } | |
7250 | } | |
7251 | out: | |
7252 | pr_info(MPT3SAS_FMT "search for responding raid volumes: complete\n", | |
7253 | ioc->name); | |
7254 | } | |
7255 | ||
7256 | /** | |
7257 | * _scsih_mark_responding_expander - mark a expander as responding | |
7258 | * @ioc: per adapter object | |
7259 | * @sas_address: sas address | |
7260 | * @handle: | |
7261 | * | |
7262 | * After host reset, find out whether devices are still responding. | |
7263 | * Used in _scsih_remove_unresponsive_expanders. | |
7264 | * | |
7265 | * Return nothing. | |
7266 | */ | |
7267 | static void | |
7268 | _scsih_mark_responding_expander(struct MPT3SAS_ADAPTER *ioc, u64 sas_address, | |
7269 | u16 handle) | |
7270 | { | |
7271 | struct _sas_node *sas_expander; | |
7272 | unsigned long flags; | |
7273 | int i; | |
7274 | ||
7275 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
7276 | list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { | |
7277 | if (sas_expander->sas_address != sas_address) | |
7278 | continue; | |
7279 | sas_expander->responding = 1; | |
7280 | if (sas_expander->handle == handle) | |
7281 | goto out; | |
7282 | pr_info("\texpander(0x%016llx): handle changed" \ | |
7283 | " from(0x%04x) to (0x%04x)!!!\n", | |
7284 | (unsigned long long)sas_expander->sas_address, | |
7285 | sas_expander->handle, handle); | |
7286 | sas_expander->handle = handle; | |
7287 | for (i = 0 ; i < sas_expander->num_phys ; i++) | |
7288 | sas_expander->phy[i].handle = handle; | |
7289 | goto out; | |
7290 | } | |
7291 | out: | |
7292 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
7293 | } | |
7294 | ||
7295 | /** | |
7296 | * _scsih_search_responding_expanders - | |
7297 | * @ioc: per adapter object | |
7298 | * | |
7299 | * After host reset, find out whether devices are still responding. | |
7300 | * If not remove. | |
7301 | * | |
7302 | * Return nothing. | |
7303 | */ | |
7304 | static void | |
7305 | _scsih_search_responding_expanders(struct MPT3SAS_ADAPTER *ioc) | |
7306 | { | |
7307 | Mpi2ExpanderPage0_t expander_pg0; | |
7308 | Mpi2ConfigReply_t mpi_reply; | |
7309 | u16 ioc_status; | |
7310 | u64 sas_address; | |
7311 | u16 handle; | |
7312 | ||
7313 | pr_info(MPT3SAS_FMT "search for expanders: start\n", ioc->name); | |
7314 | ||
7315 | if (list_empty(&ioc->sas_expander_list)) | |
7316 | goto out; | |
7317 | ||
7318 | handle = 0xFFFF; | |
7319 | while (!(mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, | |
7320 | MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) { | |
7321 | ||
7322 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
7323 | MPI2_IOCSTATUS_MASK; | |
7324 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) | |
7325 | break; | |
7326 | ||
7327 | handle = le16_to_cpu(expander_pg0.DevHandle); | |
7328 | sas_address = le64_to_cpu(expander_pg0.SASAddress); | |
7329 | pr_info("\texpander present: handle(0x%04x), sas_addr(0x%016llx)\n", | |
7330 | handle, | |
7331 | (unsigned long long)sas_address); | |
7332 | _scsih_mark_responding_expander(ioc, sas_address, handle); | |
7333 | } | |
7334 | ||
7335 | out: | |
7336 | pr_info(MPT3SAS_FMT "search for expanders: complete\n", ioc->name); | |
7337 | } | |
7338 | ||
7339 | /** | |
7340 | * _scsih_remove_unresponding_sas_devices - removing unresponding devices | |
7341 | * @ioc: per adapter object | |
7342 | * | |
7343 | * Return nothing. | |
7344 | */ | |
7345 | static void | |
7346 | _scsih_remove_unresponding_sas_devices(struct MPT3SAS_ADAPTER *ioc) | |
7347 | { | |
7348 | struct _sas_device *sas_device, *sas_device_next; | |
7349 | struct _sas_node *sas_expander, *sas_expander_next; | |
7350 | struct _raid_device *raid_device, *raid_device_next; | |
7351 | struct list_head tmp_list; | |
7352 | unsigned long flags; | |
7353 | LIST_HEAD(head); | |
7354 | ||
7355 | pr_info(MPT3SAS_FMT "removing unresponding devices: start\n", | |
7356 | ioc->name); | |
7357 | ||
7358 | /* removing unresponding end devices */ | |
7359 | pr_info(MPT3SAS_FMT "removing unresponding devices: end-devices\n", | |
7360 | ioc->name); | |
7361 | /* | |
7362 | * Iterate, pulling off devices marked as non-responding. We become the | |
7363 | * owner for the reference the list had on any object we prune. | |
7364 | */ | |
7365 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
7366 | list_for_each_entry_safe(sas_device, sas_device_next, | |
7367 | &ioc->sas_device_list, list) { | |
7368 | if (!sas_device->responding) | |
7369 | list_move_tail(&sas_device->list, &head); | |
7370 | else | |
7371 | sas_device->responding = 0; | |
7372 | } | |
7373 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
7374 | ||
7375 | /* | |
7376 | * Now, uninitialize and remove the unresponding devices we pruned. | |
7377 | */ | |
7378 | list_for_each_entry_safe(sas_device, sas_device_next, &head, list) { | |
7379 | _scsih_remove_device(ioc, sas_device); | |
7380 | list_del_init(&sas_device->list); | |
7381 | sas_device_put(sas_device); | |
7382 | } | |
7383 | ||
7384 | /* removing unresponding volumes */ | |
7385 | if (ioc->ir_firmware) { | |
7386 | pr_info(MPT3SAS_FMT "removing unresponding devices: volumes\n", | |
7387 | ioc->name); | |
7388 | list_for_each_entry_safe(raid_device, raid_device_next, | |
7389 | &ioc->raid_device_list, list) { | |
7390 | if (!raid_device->responding) | |
7391 | _scsih_sas_volume_delete(ioc, | |
7392 | raid_device->handle); | |
7393 | else | |
7394 | raid_device->responding = 0; | |
7395 | } | |
7396 | } | |
7397 | ||
7398 | /* removing unresponding expanders */ | |
7399 | pr_info(MPT3SAS_FMT "removing unresponding devices: expanders\n", | |
7400 | ioc->name); | |
7401 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
7402 | INIT_LIST_HEAD(&tmp_list); | |
7403 | list_for_each_entry_safe(sas_expander, sas_expander_next, | |
7404 | &ioc->sas_expander_list, list) { | |
7405 | if (!sas_expander->responding) | |
7406 | list_move_tail(&sas_expander->list, &tmp_list); | |
7407 | else | |
7408 | sas_expander->responding = 0; | |
7409 | } | |
7410 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
7411 | list_for_each_entry_safe(sas_expander, sas_expander_next, &tmp_list, | |
7412 | list) { | |
7413 | list_del(&sas_expander->list); | |
7414 | _scsih_expander_node_remove(ioc, sas_expander); | |
7415 | } | |
7416 | ||
7417 | pr_info(MPT3SAS_FMT "removing unresponding devices: complete\n", | |
7418 | ioc->name); | |
7419 | ||
7420 | /* unblock devices */ | |
7421 | _scsih_ublock_io_all_device(ioc); | |
7422 | } | |
7423 | ||
7424 | static void | |
7425 | _scsih_refresh_expander_links(struct MPT3SAS_ADAPTER *ioc, | |
7426 | struct _sas_node *sas_expander, u16 handle) | |
7427 | { | |
7428 | Mpi2ExpanderPage1_t expander_pg1; | |
7429 | Mpi2ConfigReply_t mpi_reply; | |
7430 | int i; | |
7431 | ||
7432 | for (i = 0 ; i < sas_expander->num_phys ; i++) { | |
7433 | if ((mpt3sas_config_get_expander_pg1(ioc, &mpi_reply, | |
7434 | &expander_pg1, i, handle))) { | |
7435 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
7436 | ioc->name, __FILE__, __LINE__, __func__); | |
7437 | return; | |
7438 | } | |
7439 | ||
7440 | mpt3sas_transport_update_links(ioc, sas_expander->sas_address, | |
7441 | le16_to_cpu(expander_pg1.AttachedDevHandle), i, | |
7442 | expander_pg1.NegotiatedLinkRate >> 4); | |
7443 | } | |
7444 | } | |
7445 | ||
7446 | /** | |
7447 | * _scsih_scan_for_devices_after_reset - scan for devices after host reset | |
7448 | * @ioc: per adapter object | |
7449 | * | |
7450 | * Return nothing. | |
7451 | */ | |
7452 | static void | |
7453 | _scsih_scan_for_devices_after_reset(struct MPT3SAS_ADAPTER *ioc) | |
7454 | { | |
7455 | Mpi2ExpanderPage0_t expander_pg0; | |
7456 | Mpi2SasDevicePage0_t sas_device_pg0; | |
7457 | Mpi2RaidVolPage1_t volume_pg1; | |
7458 | Mpi2RaidVolPage0_t volume_pg0; | |
7459 | Mpi2RaidPhysDiskPage0_t pd_pg0; | |
7460 | Mpi2EventIrConfigElement_t element; | |
7461 | Mpi2ConfigReply_t mpi_reply; | |
7462 | u8 phys_disk_num; | |
7463 | u16 ioc_status; | |
7464 | u16 handle, parent_handle; | |
7465 | u64 sas_address; | |
7466 | struct _sas_device *sas_device; | |
7467 | struct _sas_node *expander_device; | |
7468 | static struct _raid_device *raid_device; | |
7469 | u8 retry_count; | |
7470 | unsigned long flags; | |
7471 | ||
7472 | pr_info(MPT3SAS_FMT "scan devices: start\n", ioc->name); | |
7473 | ||
7474 | _scsih_sas_host_refresh(ioc); | |
7475 | ||
7476 | pr_info(MPT3SAS_FMT "\tscan devices: expanders start\n", ioc->name); | |
7477 | ||
7478 | /* expanders */ | |
7479 | handle = 0xFFFF; | |
7480 | while (!(mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, | |
7481 | MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) { | |
7482 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
7483 | MPI2_IOCSTATUS_MASK; | |
7484 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
7485 | pr_info(MPT3SAS_FMT "\tbreak from expander scan: " \ | |
7486 | "ioc_status(0x%04x), loginfo(0x%08x)\n", | |
7487 | ioc->name, ioc_status, | |
7488 | le32_to_cpu(mpi_reply.IOCLogInfo)); | |
7489 | break; | |
7490 | } | |
7491 | handle = le16_to_cpu(expander_pg0.DevHandle); | |
7492 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
7493 | expander_device = mpt3sas_scsih_expander_find_by_sas_address( | |
7494 | ioc, le64_to_cpu(expander_pg0.SASAddress)); | |
7495 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
7496 | if (expander_device) | |
7497 | _scsih_refresh_expander_links(ioc, expander_device, | |
7498 | handle); | |
7499 | else { | |
7500 | pr_info(MPT3SAS_FMT "\tBEFORE adding expander: " \ | |
7501 | "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name, | |
7502 | handle, (unsigned long long) | |
7503 | le64_to_cpu(expander_pg0.SASAddress)); | |
7504 | _scsih_expander_add(ioc, handle); | |
7505 | pr_info(MPT3SAS_FMT "\tAFTER adding expander: " \ | |
7506 | "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name, | |
7507 | handle, (unsigned long long) | |
7508 | le64_to_cpu(expander_pg0.SASAddress)); | |
7509 | } | |
7510 | } | |
7511 | ||
7512 | pr_info(MPT3SAS_FMT "\tscan devices: expanders complete\n", | |
7513 | ioc->name); | |
7514 | ||
7515 | if (!ioc->ir_firmware) | |
7516 | goto skip_to_sas; | |
7517 | ||
7518 | pr_info(MPT3SAS_FMT "\tscan devices: phys disk start\n", ioc->name); | |
7519 | ||
7520 | /* phys disk */ | |
7521 | phys_disk_num = 0xFF; | |
7522 | while (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply, | |
7523 | &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM, | |
7524 | phys_disk_num))) { | |
7525 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
7526 | MPI2_IOCSTATUS_MASK; | |
7527 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
7528 | pr_info(MPT3SAS_FMT "\tbreak from phys disk scan: "\ | |
7529 | "ioc_status(0x%04x), loginfo(0x%08x)\n", | |
7530 | ioc->name, ioc_status, | |
7531 | le32_to_cpu(mpi_reply.IOCLogInfo)); | |
7532 | break; | |
7533 | } | |
7534 | phys_disk_num = pd_pg0.PhysDiskNum; | |
7535 | handle = le16_to_cpu(pd_pg0.DevHandle); | |
7536 | sas_device = mpt3sas_get_sdev_by_handle(ioc, handle); | |
7537 | if (sas_device) { | |
7538 | sas_device_put(sas_device); | |
7539 | continue; | |
7540 | } | |
7541 | if (mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, | |
7542 | &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, | |
7543 | handle) != 0) | |
7544 | continue; | |
7545 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
7546 | MPI2_IOCSTATUS_MASK; | |
7547 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
7548 | pr_info(MPT3SAS_FMT "\tbreak from phys disk scan " \ | |
7549 | "ioc_status(0x%04x), loginfo(0x%08x)\n", | |
7550 | ioc->name, ioc_status, | |
7551 | le32_to_cpu(mpi_reply.IOCLogInfo)); | |
7552 | break; | |
7553 | } | |
7554 | parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); | |
7555 | if (!_scsih_get_sas_address(ioc, parent_handle, | |
7556 | &sas_address)) { | |
7557 | pr_info(MPT3SAS_FMT "\tBEFORE adding phys disk: " \ | |
7558 | " handle (0x%04x), sas_addr(0x%016llx)\n", | |
7559 | ioc->name, handle, (unsigned long long) | |
7560 | le64_to_cpu(sas_device_pg0.SASAddress)); | |
7561 | mpt3sas_transport_update_links(ioc, sas_address, | |
7562 | handle, sas_device_pg0.PhyNum, | |
7563 | MPI2_SAS_NEG_LINK_RATE_1_5); | |
7564 | set_bit(handle, ioc->pd_handles); | |
7565 | retry_count = 0; | |
7566 | /* This will retry adding the end device. | |
7567 | * _scsih_add_device() will decide on retries and | |
7568 | * return "1" when it should be retried | |
7569 | */ | |
7570 | while (_scsih_add_device(ioc, handle, retry_count++, | |
7571 | 1)) { | |
7572 | ssleep(1); | |
7573 | } | |
7574 | pr_info(MPT3SAS_FMT "\tAFTER adding phys disk: " \ | |
7575 | " handle (0x%04x), sas_addr(0x%016llx)\n", | |
7576 | ioc->name, handle, (unsigned long long) | |
7577 | le64_to_cpu(sas_device_pg0.SASAddress)); | |
7578 | } | |
7579 | } | |
7580 | ||
7581 | pr_info(MPT3SAS_FMT "\tscan devices: phys disk complete\n", | |
7582 | ioc->name); | |
7583 | ||
7584 | pr_info(MPT3SAS_FMT "\tscan devices: volumes start\n", ioc->name); | |
7585 | ||
7586 | /* volumes */ | |
7587 | handle = 0xFFFF; | |
7588 | while (!(mpt3sas_config_get_raid_volume_pg1(ioc, &mpi_reply, | |
7589 | &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) { | |
7590 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
7591 | MPI2_IOCSTATUS_MASK; | |
7592 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
7593 | pr_info(MPT3SAS_FMT "\tbreak from volume scan: " \ | |
7594 | "ioc_status(0x%04x), loginfo(0x%08x)\n", | |
7595 | ioc->name, ioc_status, | |
7596 | le32_to_cpu(mpi_reply.IOCLogInfo)); | |
7597 | break; | |
7598 | } | |
7599 | handle = le16_to_cpu(volume_pg1.DevHandle); | |
7600 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
7601 | raid_device = _scsih_raid_device_find_by_wwid(ioc, | |
7602 | le64_to_cpu(volume_pg1.WWID)); | |
7603 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
7604 | if (raid_device) | |
7605 | continue; | |
7606 | if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, | |
7607 | &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle, | |
7608 | sizeof(Mpi2RaidVolPage0_t))) | |
7609 | continue; | |
7610 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
7611 | MPI2_IOCSTATUS_MASK; | |
7612 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
7613 | pr_info(MPT3SAS_FMT "\tbreak from volume scan: " \ | |
7614 | "ioc_status(0x%04x), loginfo(0x%08x)\n", | |
7615 | ioc->name, ioc_status, | |
7616 | le32_to_cpu(mpi_reply.IOCLogInfo)); | |
7617 | break; | |
7618 | } | |
7619 | if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL || | |
7620 | volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE || | |
7621 | volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED) { | |
7622 | memset(&element, 0, sizeof(Mpi2EventIrConfigElement_t)); | |
7623 | element.ReasonCode = MPI2_EVENT_IR_CHANGE_RC_ADDED; | |
7624 | element.VolDevHandle = volume_pg1.DevHandle; | |
7625 | pr_info(MPT3SAS_FMT | |
7626 | "\tBEFORE adding volume: handle (0x%04x)\n", | |
7627 | ioc->name, volume_pg1.DevHandle); | |
7628 | _scsih_sas_volume_add(ioc, &element); | |
7629 | pr_info(MPT3SAS_FMT | |
7630 | "\tAFTER adding volume: handle (0x%04x)\n", | |
7631 | ioc->name, volume_pg1.DevHandle); | |
7632 | } | |
7633 | } | |
7634 | ||
7635 | pr_info(MPT3SAS_FMT "\tscan devices: volumes complete\n", | |
7636 | ioc->name); | |
7637 | ||
7638 | skip_to_sas: | |
7639 | ||
7640 | pr_info(MPT3SAS_FMT "\tscan devices: end devices start\n", | |
7641 | ioc->name); | |
7642 | ||
7643 | /* sas devices */ | |
7644 | handle = 0xFFFF; | |
7645 | while (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, | |
7646 | &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, | |
7647 | handle))) { | |
7648 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
7649 | MPI2_IOCSTATUS_MASK; | |
7650 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
7651 | pr_info(MPT3SAS_FMT "\tbreak from end device scan:"\ | |
7652 | " ioc_status(0x%04x), loginfo(0x%08x)\n", | |
7653 | ioc->name, ioc_status, | |
7654 | le32_to_cpu(mpi_reply.IOCLogInfo)); | |
7655 | break; | |
7656 | } | |
7657 | handle = le16_to_cpu(sas_device_pg0.DevHandle); | |
7658 | if (!(_scsih_is_end_device( | |
7659 | le32_to_cpu(sas_device_pg0.DeviceInfo)))) | |
7660 | continue; | |
7661 | sas_device = mpt3sas_get_sdev_by_addr(ioc, | |
7662 | le64_to_cpu(sas_device_pg0.SASAddress)); | |
7663 | if (sas_device) { | |
7664 | sas_device_put(sas_device); | |
7665 | continue; | |
7666 | } | |
7667 | parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); | |
7668 | if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) { | |
7669 | pr_info(MPT3SAS_FMT "\tBEFORE adding end device: " \ | |
7670 | "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name, | |
7671 | handle, (unsigned long long) | |
7672 | le64_to_cpu(sas_device_pg0.SASAddress)); | |
7673 | mpt3sas_transport_update_links(ioc, sas_address, handle, | |
7674 | sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5); | |
7675 | retry_count = 0; | |
7676 | /* This will retry adding the end device. | |
7677 | * _scsih_add_device() will decide on retries and | |
7678 | * return "1" when it should be retried | |
7679 | */ | |
7680 | while (_scsih_add_device(ioc, handle, retry_count++, | |
7681 | 0)) { | |
7682 | ssleep(1); | |
7683 | } | |
7684 | pr_info(MPT3SAS_FMT "\tAFTER adding end device: " \ | |
7685 | "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name, | |
7686 | handle, (unsigned long long) | |
7687 | le64_to_cpu(sas_device_pg0.SASAddress)); | |
7688 | } | |
7689 | } | |
7690 | pr_info(MPT3SAS_FMT "\tscan devices: end devices complete\n", | |
7691 | ioc->name); | |
7692 | ||
7693 | pr_info(MPT3SAS_FMT "scan devices: complete\n", ioc->name); | |
7694 | } | |
7695 | /** | |
7696 | * mpt3sas_scsih_reset_handler - reset callback handler (for scsih) | |
7697 | * @ioc: per adapter object | |
7698 | * @reset_phase: phase | |
7699 | * | |
7700 | * The handler for doing any required cleanup or initialization. | |
7701 | * | |
7702 | * The reset phase can be MPT3_IOC_PRE_RESET, MPT3_IOC_AFTER_RESET, | |
7703 | * MPT3_IOC_DONE_RESET | |
7704 | * | |
7705 | * Return nothing. | |
7706 | */ | |
7707 | void | |
7708 | mpt3sas_scsih_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase) | |
7709 | { | |
7710 | switch (reset_phase) { | |
7711 | case MPT3_IOC_PRE_RESET: | |
7712 | dtmprintk(ioc, pr_info(MPT3SAS_FMT | |
7713 | "%s: MPT3_IOC_PRE_RESET\n", ioc->name, __func__)); | |
7714 | break; | |
7715 | case MPT3_IOC_AFTER_RESET: | |
7716 | dtmprintk(ioc, pr_info(MPT3SAS_FMT | |
7717 | "%s: MPT3_IOC_AFTER_RESET\n", ioc->name, __func__)); | |
7718 | if (ioc->scsih_cmds.status & MPT3_CMD_PENDING) { | |
7719 | ioc->scsih_cmds.status |= MPT3_CMD_RESET; | |
7720 | mpt3sas_base_free_smid(ioc, ioc->scsih_cmds.smid); | |
7721 | complete(&ioc->scsih_cmds.done); | |
7722 | } | |
7723 | if (ioc->tm_cmds.status & MPT3_CMD_PENDING) { | |
7724 | ioc->tm_cmds.status |= MPT3_CMD_RESET; | |
7725 | mpt3sas_base_free_smid(ioc, ioc->tm_cmds.smid); | |
7726 | complete(&ioc->tm_cmds.done); | |
7727 | } | |
7728 | ||
7729 | memset(ioc->pend_os_device_add, 0, ioc->pend_os_device_add_sz); | |
7730 | memset(ioc->device_remove_in_progress, 0, | |
7731 | ioc->device_remove_in_progress_sz); | |
7732 | _scsih_fw_event_cleanup_queue(ioc); | |
7733 | _scsih_flush_running_cmds(ioc); | |
7734 | break; | |
7735 | case MPT3_IOC_DONE_RESET: | |
7736 | dtmprintk(ioc, pr_info(MPT3SAS_FMT | |
7737 | "%s: MPT3_IOC_DONE_RESET\n", ioc->name, __func__)); | |
7738 | if ((!ioc->is_driver_loading) && !(disable_discovery > 0 && | |
7739 | !ioc->sas_hba.num_phys)) { | |
7740 | _scsih_prep_device_scan(ioc); | |
7741 | _scsih_search_responding_sas_devices(ioc); | |
7742 | _scsih_search_responding_raid_devices(ioc); | |
7743 | _scsih_search_responding_expanders(ioc); | |
7744 | _scsih_error_recovery_delete_devices(ioc); | |
7745 | } | |
7746 | break; | |
7747 | } | |
7748 | } | |
7749 | ||
7750 | /** | |
7751 | * _mpt3sas_fw_work - delayed task for processing firmware events | |
7752 | * @ioc: per adapter object | |
7753 | * @fw_event: The fw_event_work object | |
7754 | * Context: user. | |
7755 | * | |
7756 | * Return nothing. | |
7757 | */ | |
7758 | static void | |
7759 | _mpt3sas_fw_work(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event) | |
7760 | { | |
7761 | _scsih_fw_event_del_from_list(ioc, fw_event); | |
7762 | ||
7763 | /* the queue is being flushed so ignore this event */ | |
7764 | if (ioc->remove_host || ioc->pci_error_recovery) { | |
7765 | fw_event_work_put(fw_event); | |
7766 | return; | |
7767 | } | |
7768 | ||
7769 | switch (fw_event->event) { | |
7770 | case MPT3SAS_PROCESS_TRIGGER_DIAG: | |
7771 | mpt3sas_process_trigger_data(ioc, | |
7772 | (struct SL_WH_TRIGGERS_EVENT_DATA_T *) | |
7773 | fw_event->event_data); | |
7774 | break; | |
7775 | case MPT3SAS_REMOVE_UNRESPONDING_DEVICES: | |
7776 | while (scsi_host_in_recovery(ioc->shost) || | |
7777 | ioc->shost_recovery) { | |
7778 | /* | |
7779 | * If we're unloading, bail. Otherwise, this can become | |
7780 | * an infinite loop. | |
7781 | */ | |
7782 | if (ioc->remove_host) | |
7783 | goto out; | |
7784 | ssleep(1); | |
7785 | } | |
7786 | _scsih_remove_unresponding_sas_devices(ioc); | |
7787 | _scsih_scan_for_devices_after_reset(ioc); | |
7788 | break; | |
7789 | case MPT3SAS_PORT_ENABLE_COMPLETE: | |
7790 | ioc->start_scan = 0; | |
7791 | if (missing_delay[0] != -1 && missing_delay[1] != -1) | |
7792 | mpt3sas_base_update_missing_delay(ioc, missing_delay[0], | |
7793 | missing_delay[1]); | |
7794 | dewtprintk(ioc, pr_info(MPT3SAS_FMT | |
7795 | "port enable: complete from worker thread\n", | |
7796 | ioc->name)); | |
7797 | break; | |
7798 | case MPT3SAS_TURN_ON_PFA_LED: | |
7799 | _scsih_turn_on_pfa_led(ioc, fw_event->device_handle); | |
7800 | break; | |
7801 | case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: | |
7802 | _scsih_sas_topology_change_event(ioc, fw_event); | |
7803 | break; | |
7804 | case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: | |
7805 | _scsih_sas_device_status_change_event(ioc, fw_event); | |
7806 | break; | |
7807 | case MPI2_EVENT_SAS_DISCOVERY: | |
7808 | _scsih_sas_discovery_event(ioc, fw_event); | |
7809 | break; | |
7810 | case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: | |
7811 | _scsih_sas_broadcast_primitive_event(ioc, fw_event); | |
7812 | break; | |
7813 | case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: | |
7814 | _scsih_sas_enclosure_dev_status_change_event(ioc, | |
7815 | fw_event); | |
7816 | break; | |
7817 | case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: | |
7818 | _scsih_sas_ir_config_change_event(ioc, fw_event); | |
7819 | break; | |
7820 | case MPI2_EVENT_IR_VOLUME: | |
7821 | _scsih_sas_ir_volume_event(ioc, fw_event); | |
7822 | break; | |
7823 | case MPI2_EVENT_IR_PHYSICAL_DISK: | |
7824 | _scsih_sas_ir_physical_disk_event(ioc, fw_event); | |
7825 | break; | |
7826 | case MPI2_EVENT_IR_OPERATION_STATUS: | |
7827 | _scsih_sas_ir_operation_status_event(ioc, fw_event); | |
7828 | break; | |
7829 | } | |
7830 | out: | |
7831 | fw_event_work_put(fw_event); | |
7832 | } | |
7833 | ||
7834 | /** | |
7835 | * _firmware_event_work | |
7836 | * @ioc: per adapter object | |
7837 | * @work: The fw_event_work object | |
7838 | * Context: user. | |
7839 | * | |
7840 | * wrappers for the work thread handling firmware events | |
7841 | * | |
7842 | * Return nothing. | |
7843 | */ | |
7844 | ||
7845 | static void | |
7846 | _firmware_event_work(struct work_struct *work) | |
7847 | { | |
7848 | struct fw_event_work *fw_event = container_of(work, | |
7849 | struct fw_event_work, work); | |
7850 | ||
7851 | _mpt3sas_fw_work(fw_event->ioc, fw_event); | |
7852 | } | |
7853 | ||
7854 | /** | |
7855 | * mpt3sas_scsih_event_callback - firmware event handler (called at ISR time) | |
7856 | * @ioc: per adapter object | |
7857 | * @msix_index: MSIX table index supplied by the OS | |
7858 | * @reply: reply message frame(lower 32bit addr) | |
7859 | * Context: interrupt. | |
7860 | * | |
7861 | * This function merely adds a new work task into ioc->firmware_event_thread. | |
7862 | * The tasks are worked from _firmware_event_work in user context. | |
7863 | * | |
7864 | * Return 1 meaning mf should be freed from _base_interrupt | |
7865 | * 0 means the mf is freed from this function. | |
7866 | */ | |
7867 | u8 | |
7868 | mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index, | |
7869 | u32 reply) | |
7870 | { | |
7871 | struct fw_event_work *fw_event; | |
7872 | Mpi2EventNotificationReply_t *mpi_reply; | |
7873 | u16 event; | |
7874 | u16 sz; | |
7875 | Mpi26EventDataActiveCableExcept_t *ActiveCableEventData; | |
7876 | ||
7877 | /* events turned off due to host reset or driver unloading */ | |
7878 | if (ioc->remove_host || ioc->pci_error_recovery) | |
7879 | return 1; | |
7880 | ||
7881 | mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply); | |
7882 | ||
7883 | if (unlikely(!mpi_reply)) { | |
7884 | pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n", | |
7885 | ioc->name, __FILE__, __LINE__, __func__); | |
7886 | return 1; | |
7887 | } | |
7888 | ||
7889 | event = le16_to_cpu(mpi_reply->Event); | |
7890 | ||
7891 | if (event != MPI2_EVENT_LOG_ENTRY_ADDED) | |
7892 | mpt3sas_trigger_event(ioc, event, 0); | |
7893 | ||
7894 | switch (event) { | |
7895 | /* handle these */ | |
7896 | case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: | |
7897 | { | |
7898 | Mpi2EventDataSasBroadcastPrimitive_t *baen_data = | |
7899 | (Mpi2EventDataSasBroadcastPrimitive_t *) | |
7900 | mpi_reply->EventData; | |
7901 | ||
7902 | if (baen_data->Primitive != | |
7903 | MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT) | |
7904 | return 1; | |
7905 | ||
7906 | if (ioc->broadcast_aen_busy) { | |
7907 | ioc->broadcast_aen_pending++; | |
7908 | return 1; | |
7909 | } else | |
7910 | ioc->broadcast_aen_busy = 1; | |
7911 | break; | |
7912 | } | |
7913 | ||
7914 | case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: | |
7915 | _scsih_check_topo_delete_events(ioc, | |
7916 | (Mpi2EventDataSasTopologyChangeList_t *) | |
7917 | mpi_reply->EventData); | |
7918 | break; | |
7919 | case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: | |
7920 | _scsih_check_ir_config_unhide_events(ioc, | |
7921 | (Mpi2EventDataIrConfigChangeList_t *) | |
7922 | mpi_reply->EventData); | |
7923 | break; | |
7924 | case MPI2_EVENT_IR_VOLUME: | |
7925 | _scsih_check_volume_delete_events(ioc, | |
7926 | (Mpi2EventDataIrVolume_t *) | |
7927 | mpi_reply->EventData); | |
7928 | break; | |
7929 | case MPI2_EVENT_LOG_ENTRY_ADDED: | |
7930 | { | |
7931 | Mpi2EventDataLogEntryAdded_t *log_entry; | |
7932 | u32 *log_code; | |
7933 | ||
7934 | if (!ioc->is_warpdrive) | |
7935 | break; | |
7936 | ||
7937 | log_entry = (Mpi2EventDataLogEntryAdded_t *) | |
7938 | mpi_reply->EventData; | |
7939 | log_code = (u32 *)log_entry->LogData; | |
7940 | ||
7941 | if (le16_to_cpu(log_entry->LogEntryQualifier) | |
7942 | != MPT2_WARPDRIVE_LOGENTRY) | |
7943 | break; | |
7944 | ||
7945 | switch (le32_to_cpu(*log_code)) { | |
7946 | case MPT2_WARPDRIVE_LC_SSDT: | |
7947 | pr_warn(MPT3SAS_FMT "WarpDrive Warning: " | |
7948 | "IO Throttling has occurred in the WarpDrive " | |
7949 | "subsystem. Check WarpDrive documentation for " | |
7950 | "additional details.\n", ioc->name); | |
7951 | break; | |
7952 | case MPT2_WARPDRIVE_LC_SSDLW: | |
7953 | pr_warn(MPT3SAS_FMT "WarpDrive Warning: " | |
7954 | "Program/Erase Cycles for the WarpDrive subsystem " | |
7955 | "in degraded range. Check WarpDrive documentation " | |
7956 | "for additional details.\n", ioc->name); | |
7957 | break; | |
7958 | case MPT2_WARPDRIVE_LC_SSDLF: | |
7959 | pr_err(MPT3SAS_FMT "WarpDrive Fatal Error: " | |
7960 | "There are no Program/Erase Cycles for the " | |
7961 | "WarpDrive subsystem. The storage device will be " | |
7962 | "in read-only mode. Check WarpDrive documentation " | |
7963 | "for additional details.\n", ioc->name); | |
7964 | break; | |
7965 | case MPT2_WARPDRIVE_LC_BRMF: | |
7966 | pr_err(MPT3SAS_FMT "WarpDrive Fatal Error: " | |
7967 | "The Backup Rail Monitor has failed on the " | |
7968 | "WarpDrive subsystem. Check WarpDrive " | |
7969 | "documentation for additional details.\n", | |
7970 | ioc->name); | |
7971 | break; | |
7972 | } | |
7973 | ||
7974 | break; | |
7975 | } | |
7976 | case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: | |
7977 | case MPI2_EVENT_IR_OPERATION_STATUS: | |
7978 | case MPI2_EVENT_SAS_DISCOVERY: | |
7979 | case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: | |
7980 | case MPI2_EVENT_IR_PHYSICAL_DISK: | |
7981 | break; | |
7982 | ||
7983 | case MPI2_EVENT_TEMP_THRESHOLD: | |
7984 | _scsih_temp_threshold_events(ioc, | |
7985 | (Mpi2EventDataTemperature_t *) | |
7986 | mpi_reply->EventData); | |
7987 | break; | |
7988 | case MPI2_EVENT_ACTIVE_CABLE_EXCEPTION: | |
7989 | ActiveCableEventData = | |
7990 | (Mpi26EventDataActiveCableExcept_t *) mpi_reply->EventData; | |
7991 | if (ActiveCableEventData->ReasonCode == | |
7992 | MPI26_EVENT_ACTIVE_CABLE_INSUFFICIENT_POWER) { | |
7993 | pr_info(MPT3SAS_FMT "Currently an active cable with ReceptacleID %d", | |
7994 | ioc->name, ActiveCableEventData->ReceptacleID); | |
7995 | pr_info("cannot be powered and devices connected to this active cable"); | |
7996 | pr_info("will not be seen. This active cable"); | |
7997 | pr_info("requires %d mW of power", | |
7998 | ActiveCableEventData->ActiveCablePowerRequirement); | |
7999 | } | |
8000 | break; | |
8001 | ||
8002 | default: /* ignore the rest */ | |
8003 | return 1; | |
8004 | } | |
8005 | ||
8006 | sz = le16_to_cpu(mpi_reply->EventDataLength) * 4; | |
8007 | fw_event = alloc_fw_event_work(sz); | |
8008 | if (!fw_event) { | |
8009 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
8010 | ioc->name, __FILE__, __LINE__, __func__); | |
8011 | return 1; | |
8012 | } | |
8013 | ||
8014 | memcpy(fw_event->event_data, mpi_reply->EventData, sz); | |
8015 | fw_event->ioc = ioc; | |
8016 | fw_event->VF_ID = mpi_reply->VF_ID; | |
8017 | fw_event->VP_ID = mpi_reply->VP_ID; | |
8018 | fw_event->event = event; | |
8019 | _scsih_fw_event_add(ioc, fw_event); | |
8020 | fw_event_work_put(fw_event); | |
8021 | return 1; | |
8022 | } | |
8023 | ||
8024 | /** | |
8025 | * _scsih_expander_node_remove - removing expander device from list. | |
8026 | * @ioc: per adapter object | |
8027 | * @sas_expander: the sas_device object | |
8028 | * Context: Calling function should acquire ioc->sas_node_lock. | |
8029 | * | |
8030 | * Removing object and freeing associated memory from the | |
8031 | * ioc->sas_expander_list. | |
8032 | * | |
8033 | * Return nothing. | |
8034 | */ | |
8035 | static void | |
8036 | _scsih_expander_node_remove(struct MPT3SAS_ADAPTER *ioc, | |
8037 | struct _sas_node *sas_expander) | |
8038 | { | |
8039 | struct _sas_port *mpt3sas_port, *next; | |
8040 | ||
8041 | /* remove sibling ports attached to this expander */ | |
8042 | list_for_each_entry_safe(mpt3sas_port, next, | |
8043 | &sas_expander->sas_port_list, port_list) { | |
8044 | if (ioc->shost_recovery) | |
8045 | return; | |
8046 | if (mpt3sas_port->remote_identify.device_type == | |
8047 | SAS_END_DEVICE) | |
8048 | mpt3sas_device_remove_by_sas_address(ioc, | |
8049 | mpt3sas_port->remote_identify.sas_address); | |
8050 | else if (mpt3sas_port->remote_identify.device_type == | |
8051 | SAS_EDGE_EXPANDER_DEVICE || | |
8052 | mpt3sas_port->remote_identify.device_type == | |
8053 | SAS_FANOUT_EXPANDER_DEVICE) | |
8054 | mpt3sas_expander_remove(ioc, | |
8055 | mpt3sas_port->remote_identify.sas_address); | |
8056 | } | |
8057 | ||
8058 | mpt3sas_transport_port_remove(ioc, sas_expander->sas_address, | |
8059 | sas_expander->sas_address_parent); | |
8060 | ||
8061 | pr_info(MPT3SAS_FMT | |
8062 | "expander_remove: handle(0x%04x), sas_addr(0x%016llx)\n", | |
8063 | ioc->name, | |
8064 | sas_expander->handle, (unsigned long long) | |
8065 | sas_expander->sas_address); | |
8066 | ||
8067 | kfree(sas_expander->phy); | |
8068 | kfree(sas_expander); | |
8069 | } | |
8070 | ||
8071 | /** | |
8072 | * _scsih_ir_shutdown - IR shutdown notification | |
8073 | * @ioc: per adapter object | |
8074 | * | |
8075 | * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that | |
8076 | * the host system is shutting down. | |
8077 | * | |
8078 | * Return nothing. | |
8079 | */ | |
8080 | static void | |
8081 | _scsih_ir_shutdown(struct MPT3SAS_ADAPTER *ioc) | |
8082 | { | |
8083 | Mpi2RaidActionRequest_t *mpi_request; | |
8084 | Mpi2RaidActionReply_t *mpi_reply; | |
8085 | u16 smid; | |
8086 | ||
8087 | /* is IR firmware build loaded ? */ | |
8088 | if (!ioc->ir_firmware) | |
8089 | return; | |
8090 | ||
8091 | /* are there any volumes ? */ | |
8092 | if (list_empty(&ioc->raid_device_list)) | |
8093 | return; | |
8094 | ||
8095 | mutex_lock(&ioc->scsih_cmds.mutex); | |
8096 | ||
8097 | if (ioc->scsih_cmds.status != MPT3_CMD_NOT_USED) { | |
8098 | pr_err(MPT3SAS_FMT "%s: scsih_cmd in use\n", | |
8099 | ioc->name, __func__); | |
8100 | goto out; | |
8101 | } | |
8102 | ioc->scsih_cmds.status = MPT3_CMD_PENDING; | |
8103 | ||
8104 | smid = mpt3sas_base_get_smid(ioc, ioc->scsih_cb_idx); | |
8105 | if (!smid) { | |
8106 | pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", | |
8107 | ioc->name, __func__); | |
8108 | ioc->scsih_cmds.status = MPT3_CMD_NOT_USED; | |
8109 | goto out; | |
8110 | } | |
8111 | ||
8112 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); | |
8113 | ioc->scsih_cmds.smid = smid; | |
8114 | memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t)); | |
8115 | ||
8116 | mpi_request->Function = MPI2_FUNCTION_RAID_ACTION; | |
8117 | mpi_request->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED; | |
8118 | ||
8119 | if (!ioc->hide_ir_msg) | |
8120 | pr_info(MPT3SAS_FMT "IR shutdown (sending)\n", ioc->name); | |
8121 | init_completion(&ioc->scsih_cmds.done); | |
8122 | mpt3sas_base_put_smid_default(ioc, smid); | |
8123 | wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ); | |
8124 | ||
8125 | if (!(ioc->scsih_cmds.status & MPT3_CMD_COMPLETE)) { | |
8126 | pr_err(MPT3SAS_FMT "%s: timeout\n", | |
8127 | ioc->name, __func__); | |
8128 | goto out; | |
8129 | } | |
8130 | ||
8131 | if (ioc->scsih_cmds.status & MPT3_CMD_REPLY_VALID) { | |
8132 | mpi_reply = ioc->scsih_cmds.reply; | |
8133 | if (!ioc->hide_ir_msg) | |
8134 | pr_info(MPT3SAS_FMT "IR shutdown " | |
8135 | "(complete): ioc_status(0x%04x), loginfo(0x%08x)\n", | |
8136 | ioc->name, le16_to_cpu(mpi_reply->IOCStatus), | |
8137 | le32_to_cpu(mpi_reply->IOCLogInfo)); | |
8138 | } | |
8139 | ||
8140 | out: | |
8141 | ioc->scsih_cmds.status = MPT3_CMD_NOT_USED; | |
8142 | mutex_unlock(&ioc->scsih_cmds.mutex); | |
8143 | } | |
8144 | ||
8145 | /** | |
8146 | * scsih_remove - detach and remove add host | |
8147 | * @pdev: PCI device struct | |
8148 | * | |
8149 | * Routine called when unloading the driver. | |
8150 | * Return nothing. | |
8151 | */ | |
8152 | static void scsih_remove(struct pci_dev *pdev) | |
8153 | { | |
8154 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
8155 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
8156 | struct _sas_port *mpt3sas_port, *next_port; | |
8157 | struct _raid_device *raid_device, *next; | |
8158 | struct MPT3SAS_TARGET *sas_target_priv_data; | |
8159 | struct workqueue_struct *wq; | |
8160 | unsigned long flags; | |
8161 | ||
8162 | ioc->remove_host = 1; | |
8163 | _scsih_fw_event_cleanup_queue(ioc); | |
8164 | ||
8165 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
8166 | wq = ioc->firmware_event_thread; | |
8167 | ioc->firmware_event_thread = NULL; | |
8168 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
8169 | if (wq) | |
8170 | destroy_workqueue(wq); | |
8171 | ||
8172 | /* release all the volumes */ | |
8173 | _scsih_ir_shutdown(ioc); | |
8174 | list_for_each_entry_safe(raid_device, next, &ioc->raid_device_list, | |
8175 | list) { | |
8176 | if (raid_device->starget) { | |
8177 | sas_target_priv_data = | |
8178 | raid_device->starget->hostdata; | |
8179 | sas_target_priv_data->deleted = 1; | |
8180 | scsi_remove_target(&raid_device->starget->dev); | |
8181 | } | |
8182 | pr_info(MPT3SAS_FMT "removing handle(0x%04x), wwid(0x%016llx)\n", | |
8183 | ioc->name, raid_device->handle, | |
8184 | (unsigned long long) raid_device->wwid); | |
8185 | _scsih_raid_device_remove(ioc, raid_device); | |
8186 | } | |
8187 | ||
8188 | /* free ports attached to the sas_host */ | |
8189 | list_for_each_entry_safe(mpt3sas_port, next_port, | |
8190 | &ioc->sas_hba.sas_port_list, port_list) { | |
8191 | if (mpt3sas_port->remote_identify.device_type == | |
8192 | SAS_END_DEVICE) | |
8193 | mpt3sas_device_remove_by_sas_address(ioc, | |
8194 | mpt3sas_port->remote_identify.sas_address); | |
8195 | else if (mpt3sas_port->remote_identify.device_type == | |
8196 | SAS_EDGE_EXPANDER_DEVICE || | |
8197 | mpt3sas_port->remote_identify.device_type == | |
8198 | SAS_FANOUT_EXPANDER_DEVICE) | |
8199 | mpt3sas_expander_remove(ioc, | |
8200 | mpt3sas_port->remote_identify.sas_address); | |
8201 | } | |
8202 | ||
8203 | /* free phys attached to the sas_host */ | |
8204 | if (ioc->sas_hba.num_phys) { | |
8205 | kfree(ioc->sas_hba.phy); | |
8206 | ioc->sas_hba.phy = NULL; | |
8207 | ioc->sas_hba.num_phys = 0; | |
8208 | } | |
8209 | ||
8210 | sas_remove_host(shost); | |
8211 | scsi_remove_host(shost); | |
8212 | mpt3sas_base_detach(ioc); | |
8213 | spin_lock(&gioc_lock); | |
8214 | list_del(&ioc->list); | |
8215 | spin_unlock(&gioc_lock); | |
8216 | scsi_host_put(shost); | |
8217 | } | |
8218 | ||
8219 | /** | |
8220 | * scsih_shutdown - routine call during system shutdown | |
8221 | * @pdev: PCI device struct | |
8222 | * | |
8223 | * Return nothing. | |
8224 | */ | |
8225 | static void | |
8226 | scsih_shutdown(struct pci_dev *pdev) | |
8227 | { | |
8228 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
8229 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
8230 | struct workqueue_struct *wq; | |
8231 | unsigned long flags; | |
8232 | ||
8233 | ioc->remove_host = 1; | |
8234 | _scsih_fw_event_cleanup_queue(ioc); | |
8235 | ||
8236 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
8237 | wq = ioc->firmware_event_thread; | |
8238 | ioc->firmware_event_thread = NULL; | |
8239 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
8240 | if (wq) | |
8241 | destroy_workqueue(wq); | |
8242 | ||
8243 | _scsih_ir_shutdown(ioc); | |
8244 | mpt3sas_base_detach(ioc); | |
8245 | } | |
8246 | ||
8247 | ||
8248 | /** | |
8249 | * _scsih_probe_boot_devices - reports 1st device | |
8250 | * @ioc: per adapter object | |
8251 | * | |
8252 | * If specified in bios page 2, this routine reports the 1st | |
8253 | * device scsi-ml or sas transport for persistent boot device | |
8254 | * purposes. Please refer to function _scsih_determine_boot_device() | |
8255 | */ | |
8256 | static void | |
8257 | _scsih_probe_boot_devices(struct MPT3SAS_ADAPTER *ioc) | |
8258 | { | |
8259 | u8 is_raid; | |
8260 | void *device; | |
8261 | struct _sas_device *sas_device; | |
8262 | struct _raid_device *raid_device; | |
8263 | u16 handle; | |
8264 | u64 sas_address_parent; | |
8265 | u64 sas_address; | |
8266 | unsigned long flags; | |
8267 | int rc; | |
8268 | ||
8269 | /* no Bios, return immediately */ | |
8270 | if (!ioc->bios_pg3.BiosVersion) | |
8271 | return; | |
8272 | ||
8273 | device = NULL; | |
8274 | is_raid = 0; | |
8275 | if (ioc->req_boot_device.device) { | |
8276 | device = ioc->req_boot_device.device; | |
8277 | is_raid = ioc->req_boot_device.is_raid; | |
8278 | } else if (ioc->req_alt_boot_device.device) { | |
8279 | device = ioc->req_alt_boot_device.device; | |
8280 | is_raid = ioc->req_alt_boot_device.is_raid; | |
8281 | } else if (ioc->current_boot_device.device) { | |
8282 | device = ioc->current_boot_device.device; | |
8283 | is_raid = ioc->current_boot_device.is_raid; | |
8284 | } | |
8285 | ||
8286 | if (!device) | |
8287 | return; | |
8288 | ||
8289 | if (is_raid) { | |
8290 | raid_device = device; | |
8291 | rc = scsi_add_device(ioc->shost, RAID_CHANNEL, | |
8292 | raid_device->id, 0); | |
8293 | if (rc) | |
8294 | _scsih_raid_device_remove(ioc, raid_device); | |
8295 | } else { | |
8296 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
8297 | sas_device = device; | |
8298 | handle = sas_device->handle; | |
8299 | sas_address_parent = sas_device->sas_address_parent; | |
8300 | sas_address = sas_device->sas_address; | |
8301 | list_move_tail(&sas_device->list, &ioc->sas_device_list); | |
8302 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
8303 | ||
8304 | if (ioc->hide_drives) | |
8305 | return; | |
8306 | if (!mpt3sas_transport_port_add(ioc, handle, | |
8307 | sas_address_parent)) { | |
8308 | _scsih_sas_device_remove(ioc, sas_device); | |
8309 | } else if (!sas_device->starget) { | |
8310 | if (!ioc->is_driver_loading) { | |
8311 | mpt3sas_transport_port_remove(ioc, | |
8312 | sas_address, | |
8313 | sas_address_parent); | |
8314 | _scsih_sas_device_remove(ioc, sas_device); | |
8315 | } | |
8316 | } | |
8317 | } | |
8318 | } | |
8319 | ||
8320 | /** | |
8321 | * _scsih_probe_raid - reporting raid volumes to scsi-ml | |
8322 | * @ioc: per adapter object | |
8323 | * | |
8324 | * Called during initial loading of the driver. | |
8325 | */ | |
8326 | static void | |
8327 | _scsih_probe_raid(struct MPT3SAS_ADAPTER *ioc) | |
8328 | { | |
8329 | struct _raid_device *raid_device, *raid_next; | |
8330 | int rc; | |
8331 | ||
8332 | list_for_each_entry_safe(raid_device, raid_next, | |
8333 | &ioc->raid_device_list, list) { | |
8334 | if (raid_device->starget) | |
8335 | continue; | |
8336 | rc = scsi_add_device(ioc->shost, RAID_CHANNEL, | |
8337 | raid_device->id, 0); | |
8338 | if (rc) | |
8339 | _scsih_raid_device_remove(ioc, raid_device); | |
8340 | } | |
8341 | } | |
8342 | ||
8343 | static struct _sas_device *get_next_sas_device(struct MPT3SAS_ADAPTER *ioc) | |
8344 | { | |
8345 | struct _sas_device *sas_device = NULL; | |
8346 | unsigned long flags; | |
8347 | ||
8348 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
8349 | if (!list_empty(&ioc->sas_device_init_list)) { | |
8350 | sas_device = list_first_entry(&ioc->sas_device_init_list, | |
8351 | struct _sas_device, list); | |
8352 | sas_device_get(sas_device); | |
8353 | } | |
8354 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
8355 | ||
8356 | return sas_device; | |
8357 | } | |
8358 | ||
8359 | static void sas_device_make_active(struct MPT3SAS_ADAPTER *ioc, | |
8360 | struct _sas_device *sas_device) | |
8361 | { | |
8362 | unsigned long flags; | |
8363 | ||
8364 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
8365 | ||
8366 | /* | |
8367 | * Since we dropped the lock during the call to port_add(), we need to | |
8368 | * be careful here that somebody else didn't move or delete this item | |
8369 | * while we were busy with other things. | |
8370 | * | |
8371 | * If it was on the list, we need a put() for the reference the list | |
8372 | * had. Either way, we need a get() for the destination list. | |
8373 | */ | |
8374 | if (!list_empty(&sas_device->list)) { | |
8375 | list_del_init(&sas_device->list); | |
8376 | sas_device_put(sas_device); | |
8377 | } | |
8378 | ||
8379 | sas_device_get(sas_device); | |
8380 | list_add_tail(&sas_device->list, &ioc->sas_device_list); | |
8381 | ||
8382 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
8383 | } | |
8384 | ||
8385 | /** | |
8386 | * _scsih_probe_sas - reporting sas devices to sas transport | |
8387 | * @ioc: per adapter object | |
8388 | * | |
8389 | * Called during initial loading of the driver. | |
8390 | */ | |
8391 | static void | |
8392 | _scsih_probe_sas(struct MPT3SAS_ADAPTER *ioc) | |
8393 | { | |
8394 | struct _sas_device *sas_device; | |
8395 | ||
8396 | if (ioc->hide_drives) | |
8397 | return; | |
8398 | ||
8399 | while ((sas_device = get_next_sas_device(ioc))) { | |
8400 | if (!mpt3sas_transport_port_add(ioc, sas_device->handle, | |
8401 | sas_device->sas_address_parent)) { | |
8402 | _scsih_sas_device_remove(ioc, sas_device); | |
8403 | sas_device_put(sas_device); | |
8404 | continue; | |
8405 | } else if (!sas_device->starget) { | |
8406 | /* | |
8407 | * When asyn scanning is enabled, its not possible to | |
8408 | * remove devices while scanning is turned on due to an | |
8409 | * oops in scsi_sysfs_add_sdev()->add_device()-> | |
8410 | * sysfs_addrm_start() | |
8411 | */ | |
8412 | if (!ioc->is_driver_loading) { | |
8413 | mpt3sas_transport_port_remove(ioc, | |
8414 | sas_device->sas_address, | |
8415 | sas_device->sas_address_parent); | |
8416 | _scsih_sas_device_remove(ioc, sas_device); | |
8417 | sas_device_put(sas_device); | |
8418 | continue; | |
8419 | } | |
8420 | } | |
8421 | sas_device_make_active(ioc, sas_device); | |
8422 | sas_device_put(sas_device); | |
8423 | } | |
8424 | } | |
8425 | ||
8426 | /** | |
8427 | * _scsih_probe_devices - probing for devices | |
8428 | * @ioc: per adapter object | |
8429 | * | |
8430 | * Called during initial loading of the driver. | |
8431 | */ | |
8432 | static void | |
8433 | _scsih_probe_devices(struct MPT3SAS_ADAPTER *ioc) | |
8434 | { | |
8435 | u16 volume_mapping_flags; | |
8436 | ||
8437 | if (!(ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR)) | |
8438 | return; /* return when IOC doesn't support initiator mode */ | |
8439 | ||
8440 | _scsih_probe_boot_devices(ioc); | |
8441 | ||
8442 | if (ioc->ir_firmware) { | |
8443 | volume_mapping_flags = | |
8444 | le16_to_cpu(ioc->ioc_pg8.IRVolumeMappingFlags) & | |
8445 | MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; | |
8446 | if (volume_mapping_flags == | |
8447 | MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) { | |
8448 | _scsih_probe_raid(ioc); | |
8449 | _scsih_probe_sas(ioc); | |
8450 | } else { | |
8451 | _scsih_probe_sas(ioc); | |
8452 | _scsih_probe_raid(ioc); | |
8453 | } | |
8454 | } else | |
8455 | _scsih_probe_sas(ioc); | |
8456 | } | |
8457 | ||
8458 | /** | |
8459 | * scsih_scan_start - scsi lld callback for .scan_start | |
8460 | * @shost: SCSI host pointer | |
8461 | * | |
8462 | * The shost has the ability to discover targets on its own instead | |
8463 | * of scanning the entire bus. In our implemention, we will kick off | |
8464 | * firmware discovery. | |
8465 | */ | |
8466 | static void | |
8467 | scsih_scan_start(struct Scsi_Host *shost) | |
8468 | { | |
8469 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
8470 | int rc; | |
8471 | if (diag_buffer_enable != -1 && diag_buffer_enable != 0) | |
8472 | mpt3sas_enable_diag_buffer(ioc, diag_buffer_enable); | |
8473 | ||
8474 | if (disable_discovery > 0) | |
8475 | return; | |
8476 | ||
8477 | ioc->start_scan = 1; | |
8478 | rc = mpt3sas_port_enable(ioc); | |
8479 | ||
8480 | if (rc != 0) | |
8481 | pr_info(MPT3SAS_FMT "port enable: FAILED\n", ioc->name); | |
8482 | } | |
8483 | ||
8484 | /** | |
8485 | * scsih_scan_finished - scsi lld callback for .scan_finished | |
8486 | * @shost: SCSI host pointer | |
8487 | * @time: elapsed time of the scan in jiffies | |
8488 | * | |
8489 | * This function will be called periodicallyn until it returns 1 with the | |
8490 | * scsi_host and the elapsed time of the scan in jiffies. In our implemention, | |
8491 | * we wait for firmware discovery to complete, then return 1. | |
8492 | */ | |
8493 | static int | |
8494 | scsih_scan_finished(struct Scsi_Host *shost, unsigned long time) | |
8495 | { | |
8496 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
8497 | ||
8498 | if (disable_discovery > 0) { | |
8499 | ioc->is_driver_loading = 0; | |
8500 | ioc->wait_for_discovery_to_complete = 0; | |
8501 | return 1; | |
8502 | } | |
8503 | ||
8504 | if (time >= (300 * HZ)) { | |
8505 | ioc->base_cmds.status = MPT3_CMD_NOT_USED; | |
8506 | pr_info(MPT3SAS_FMT | |
8507 | "port enable: FAILED with timeout (timeout=300s)\n", | |
8508 | ioc->name); | |
8509 | ioc->is_driver_loading = 0; | |
8510 | return 1; | |
8511 | } | |
8512 | ||
8513 | if (ioc->start_scan) | |
8514 | return 0; | |
8515 | ||
8516 | if (ioc->start_scan_failed) { | |
8517 | pr_info(MPT3SAS_FMT | |
8518 | "port enable: FAILED with (ioc_status=0x%08x)\n", | |
8519 | ioc->name, ioc->start_scan_failed); | |
8520 | ioc->is_driver_loading = 0; | |
8521 | ioc->wait_for_discovery_to_complete = 0; | |
8522 | ioc->remove_host = 1; | |
8523 | return 1; | |
8524 | } | |
8525 | ||
8526 | pr_info(MPT3SAS_FMT "port enable: SUCCESS\n", ioc->name); | |
8527 | ioc->base_cmds.status = MPT3_CMD_NOT_USED; | |
8528 | ||
8529 | if (ioc->wait_for_discovery_to_complete) { | |
8530 | ioc->wait_for_discovery_to_complete = 0; | |
8531 | _scsih_probe_devices(ioc); | |
8532 | } | |
8533 | mpt3sas_base_start_watchdog(ioc); | |
8534 | ioc->is_driver_loading = 0; | |
8535 | return 1; | |
8536 | } | |
8537 | ||
8538 | /* shost template for SAS 2.0 HBA devices */ | |
8539 | static struct scsi_host_template mpt2sas_driver_template = { | |
8540 | .module = THIS_MODULE, | |
8541 | .name = "Fusion MPT SAS Host", | |
8542 | .proc_name = MPT2SAS_DRIVER_NAME, | |
8543 | .queuecommand = scsih_qcmd, | |
8544 | .target_alloc = scsih_target_alloc, | |
8545 | .slave_alloc = scsih_slave_alloc, | |
8546 | .slave_configure = scsih_slave_configure, | |
8547 | .target_destroy = scsih_target_destroy, | |
8548 | .slave_destroy = scsih_slave_destroy, | |
8549 | .scan_finished = scsih_scan_finished, | |
8550 | .scan_start = scsih_scan_start, | |
8551 | .change_queue_depth = scsih_change_queue_depth, | |
8552 | .eh_abort_handler = scsih_abort, | |
8553 | .eh_device_reset_handler = scsih_dev_reset, | |
8554 | .eh_target_reset_handler = scsih_target_reset, | |
8555 | .eh_host_reset_handler = scsih_host_reset, | |
8556 | .bios_param = scsih_bios_param, | |
8557 | .can_queue = 1, | |
8558 | .this_id = -1, | |
8559 | .sg_tablesize = MPT2SAS_SG_DEPTH, | |
8560 | .max_sectors = 32767, | |
8561 | .cmd_per_lun = 7, | |
8562 | .use_clustering = ENABLE_CLUSTERING, | |
8563 | .shost_attrs = mpt3sas_host_attrs, | |
8564 | .sdev_attrs = mpt3sas_dev_attrs, | |
8565 | .track_queue_depth = 1, | |
8566 | }; | |
8567 | ||
8568 | /* raid transport support for SAS 2.0 HBA devices */ | |
8569 | static struct raid_function_template mpt2sas_raid_functions = { | |
8570 | .cookie = &mpt2sas_driver_template, | |
8571 | .is_raid = scsih_is_raid, | |
8572 | .get_resync = scsih_get_resync, | |
8573 | .get_state = scsih_get_state, | |
8574 | }; | |
8575 | ||
8576 | /* shost template for SAS 3.0 HBA devices */ | |
8577 | static struct scsi_host_template mpt3sas_driver_template = { | |
8578 | .module = THIS_MODULE, | |
8579 | .name = "Fusion MPT SAS Host", | |
8580 | .proc_name = MPT3SAS_DRIVER_NAME, | |
8581 | .queuecommand = scsih_qcmd, | |
8582 | .target_alloc = scsih_target_alloc, | |
8583 | .slave_alloc = scsih_slave_alloc, | |
8584 | .slave_configure = scsih_slave_configure, | |
8585 | .target_destroy = scsih_target_destroy, | |
8586 | .slave_destroy = scsih_slave_destroy, | |
8587 | .scan_finished = scsih_scan_finished, | |
8588 | .scan_start = scsih_scan_start, | |
8589 | .change_queue_depth = scsih_change_queue_depth, | |
8590 | .eh_abort_handler = scsih_abort, | |
8591 | .eh_device_reset_handler = scsih_dev_reset, | |
8592 | .eh_target_reset_handler = scsih_target_reset, | |
8593 | .eh_host_reset_handler = scsih_host_reset, | |
8594 | .bios_param = scsih_bios_param, | |
8595 | .can_queue = 1, | |
8596 | .this_id = -1, | |
8597 | .sg_tablesize = MPT3SAS_SG_DEPTH, | |
8598 | .max_sectors = 32767, | |
8599 | .cmd_per_lun = 7, | |
8600 | .use_clustering = ENABLE_CLUSTERING, | |
8601 | .shost_attrs = mpt3sas_host_attrs, | |
8602 | .sdev_attrs = mpt3sas_dev_attrs, | |
8603 | .track_queue_depth = 1, | |
8604 | }; | |
8605 | ||
8606 | /* raid transport support for SAS 3.0 HBA devices */ | |
8607 | static struct raid_function_template mpt3sas_raid_functions = { | |
8608 | .cookie = &mpt3sas_driver_template, | |
8609 | .is_raid = scsih_is_raid, | |
8610 | .get_resync = scsih_get_resync, | |
8611 | .get_state = scsih_get_state, | |
8612 | }; | |
8613 | ||
8614 | /** | |
8615 | * _scsih_determine_hba_mpi_version - determine in which MPI version class | |
8616 | * this device belongs to. | |
8617 | * @pdev: PCI device struct | |
8618 | * | |
8619 | * return MPI2_VERSION for SAS 2.0 HBA devices, | |
8620 | * MPI25_VERSION for SAS 3.0 HBA devices, and | |
8621 | * MPI26 VERSION for Cutlass & Invader SAS 3.0 HBA devices | |
8622 | */ | |
8623 | static u16 | |
8624 | _scsih_determine_hba_mpi_version(struct pci_dev *pdev) | |
8625 | { | |
8626 | ||
8627 | switch (pdev->device) { | |
8628 | case MPI2_MFGPAGE_DEVID_SSS6200: | |
8629 | case MPI2_MFGPAGE_DEVID_SAS2004: | |
8630 | case MPI2_MFGPAGE_DEVID_SAS2008: | |
8631 | case MPI2_MFGPAGE_DEVID_SAS2108_1: | |
8632 | case MPI2_MFGPAGE_DEVID_SAS2108_2: | |
8633 | case MPI2_MFGPAGE_DEVID_SAS2108_3: | |
8634 | case MPI2_MFGPAGE_DEVID_SAS2116_1: | |
8635 | case MPI2_MFGPAGE_DEVID_SAS2116_2: | |
8636 | case MPI2_MFGPAGE_DEVID_SAS2208_1: | |
8637 | case MPI2_MFGPAGE_DEVID_SAS2208_2: | |
8638 | case MPI2_MFGPAGE_DEVID_SAS2208_3: | |
8639 | case MPI2_MFGPAGE_DEVID_SAS2208_4: | |
8640 | case MPI2_MFGPAGE_DEVID_SAS2208_5: | |
8641 | case MPI2_MFGPAGE_DEVID_SAS2208_6: | |
8642 | case MPI2_MFGPAGE_DEVID_SAS2308_1: | |
8643 | case MPI2_MFGPAGE_DEVID_SAS2308_2: | |
8644 | case MPI2_MFGPAGE_DEVID_SAS2308_3: | |
8645 | return MPI2_VERSION; | |
8646 | case MPI25_MFGPAGE_DEVID_SAS3004: | |
8647 | case MPI25_MFGPAGE_DEVID_SAS3008: | |
8648 | case MPI25_MFGPAGE_DEVID_SAS3108_1: | |
8649 | case MPI25_MFGPAGE_DEVID_SAS3108_2: | |
8650 | case MPI25_MFGPAGE_DEVID_SAS3108_5: | |
8651 | case MPI25_MFGPAGE_DEVID_SAS3108_6: | |
8652 | return MPI25_VERSION; | |
8653 | case MPI26_MFGPAGE_DEVID_SAS3216: | |
8654 | case MPI26_MFGPAGE_DEVID_SAS3224: | |
8655 | case MPI26_MFGPAGE_DEVID_SAS3316_1: | |
8656 | case MPI26_MFGPAGE_DEVID_SAS3316_2: | |
8657 | case MPI26_MFGPAGE_DEVID_SAS3316_3: | |
8658 | case MPI26_MFGPAGE_DEVID_SAS3316_4: | |
8659 | case MPI26_MFGPAGE_DEVID_SAS3324_1: | |
8660 | case MPI26_MFGPAGE_DEVID_SAS3324_2: | |
8661 | case MPI26_MFGPAGE_DEVID_SAS3324_3: | |
8662 | case MPI26_MFGPAGE_DEVID_SAS3324_4: | |
8663 | return MPI26_VERSION; | |
8664 | } | |
8665 | return 0; | |
8666 | } | |
8667 | ||
8668 | /** | |
8669 | * _scsih_probe - attach and add scsi host | |
8670 | * @pdev: PCI device struct | |
8671 | * @id: pci device id | |
8672 | * | |
8673 | * Returns 0 success, anything else error. | |
8674 | */ | |
8675 | static int | |
8676 | _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) | |
8677 | { | |
8678 | struct MPT3SAS_ADAPTER *ioc; | |
8679 | struct Scsi_Host *shost = NULL; | |
8680 | int rv; | |
8681 | u16 hba_mpi_version; | |
8682 | ||
8683 | /* Determine in which MPI version class this pci device belongs */ | |
8684 | hba_mpi_version = _scsih_determine_hba_mpi_version(pdev); | |
8685 | if (hba_mpi_version == 0) | |
8686 | return -ENODEV; | |
8687 | ||
8688 | /* Enumerate only SAS 2.0 HBA's if hbas_to_enumerate is one, | |
8689 | * for other generation HBA's return with -ENODEV | |
8690 | */ | |
8691 | if ((hbas_to_enumerate == 1) && (hba_mpi_version != MPI2_VERSION)) | |
8692 | return -ENODEV; | |
8693 | ||
8694 | /* Enumerate only SAS 3.0 HBA's if hbas_to_enumerate is two, | |
8695 | * for other generation HBA's return with -ENODEV | |
8696 | */ | |
8697 | if ((hbas_to_enumerate == 2) && (!(hba_mpi_version == MPI25_VERSION | |
8698 | || hba_mpi_version == MPI26_VERSION))) | |
8699 | return -ENODEV; | |
8700 | ||
8701 | switch (hba_mpi_version) { | |
8702 | case MPI2_VERSION: | |
8703 | /* Use mpt2sas driver host template for SAS 2.0 HBA's */ | |
8704 | shost = scsi_host_alloc(&mpt2sas_driver_template, | |
8705 | sizeof(struct MPT3SAS_ADAPTER)); | |
8706 | if (!shost) | |
8707 | return -ENODEV; | |
8708 | ioc = shost_priv(shost); | |
8709 | memset(ioc, 0, sizeof(struct MPT3SAS_ADAPTER)); | |
8710 | ioc->hba_mpi_version_belonged = hba_mpi_version; | |
8711 | ioc->id = mpt2_ids++; | |
8712 | sprintf(ioc->driver_name, "%s", MPT2SAS_DRIVER_NAME); | |
8713 | if (pdev->device == MPI2_MFGPAGE_DEVID_SSS6200) { | |
8714 | ioc->is_warpdrive = 1; | |
8715 | ioc->hide_ir_msg = 1; | |
8716 | } else | |
8717 | ioc->mfg_pg10_hide_flag = MFG_PAGE10_EXPOSE_ALL_DISKS; | |
8718 | break; | |
8719 | case MPI25_VERSION: | |
8720 | case MPI26_VERSION: | |
8721 | /* Use mpt3sas driver host template for SAS 3.0 HBA's */ | |
8722 | shost = scsi_host_alloc(&mpt3sas_driver_template, | |
8723 | sizeof(struct MPT3SAS_ADAPTER)); | |
8724 | if (!shost) | |
8725 | return -ENODEV; | |
8726 | ioc = shost_priv(shost); | |
8727 | memset(ioc, 0, sizeof(struct MPT3SAS_ADAPTER)); | |
8728 | ioc->hba_mpi_version_belonged = hba_mpi_version; | |
8729 | ioc->id = mpt3_ids++; | |
8730 | sprintf(ioc->driver_name, "%s", MPT3SAS_DRIVER_NAME); | |
8731 | if ((ioc->hba_mpi_version_belonged == MPI25_VERSION && | |
8732 | pdev->revision >= SAS3_PCI_DEVICE_C0_REVISION) || | |
8733 | (ioc->hba_mpi_version_belonged == MPI26_VERSION)) | |
8734 | ioc->msix96_vector = 1; | |
8735 | break; | |
8736 | default: | |
8737 | return -ENODEV; | |
8738 | } | |
8739 | ||
8740 | INIT_LIST_HEAD(&ioc->list); | |
8741 | spin_lock(&gioc_lock); | |
8742 | list_add_tail(&ioc->list, &mpt3sas_ioc_list); | |
8743 | spin_unlock(&gioc_lock); | |
8744 | ioc->shost = shost; | |
8745 | ioc->pdev = pdev; | |
8746 | ioc->scsi_io_cb_idx = scsi_io_cb_idx; | |
8747 | ioc->tm_cb_idx = tm_cb_idx; | |
8748 | ioc->ctl_cb_idx = ctl_cb_idx; | |
8749 | ioc->base_cb_idx = base_cb_idx; | |
8750 | ioc->port_enable_cb_idx = port_enable_cb_idx; | |
8751 | ioc->transport_cb_idx = transport_cb_idx; | |
8752 | ioc->scsih_cb_idx = scsih_cb_idx; | |
8753 | ioc->config_cb_idx = config_cb_idx; | |
8754 | ioc->tm_tr_cb_idx = tm_tr_cb_idx; | |
8755 | ioc->tm_tr_volume_cb_idx = tm_tr_volume_cb_idx; | |
8756 | ioc->tm_sas_control_cb_idx = tm_sas_control_cb_idx; | |
8757 | ioc->logging_level = logging_level; | |
8758 | ioc->schedule_dead_ioc_flush_running_cmds = &_scsih_flush_running_cmds; | |
8759 | /* misc semaphores and spin locks */ | |
8760 | mutex_init(&ioc->reset_in_progress_mutex); | |
8761 | /* initializing pci_access_mutex lock */ | |
8762 | mutex_init(&ioc->pci_access_mutex); | |
8763 | spin_lock_init(&ioc->ioc_reset_in_progress_lock); | |
8764 | spin_lock_init(&ioc->scsi_lookup_lock); | |
8765 | spin_lock_init(&ioc->sas_device_lock); | |
8766 | spin_lock_init(&ioc->sas_node_lock); | |
8767 | spin_lock_init(&ioc->fw_event_lock); | |
8768 | spin_lock_init(&ioc->raid_device_lock); | |
8769 | spin_lock_init(&ioc->diag_trigger_lock); | |
8770 | ||
8771 | INIT_LIST_HEAD(&ioc->sas_device_list); | |
8772 | INIT_LIST_HEAD(&ioc->sas_device_init_list); | |
8773 | INIT_LIST_HEAD(&ioc->sas_expander_list); | |
8774 | INIT_LIST_HEAD(&ioc->fw_event_list); | |
8775 | INIT_LIST_HEAD(&ioc->raid_device_list); | |
8776 | INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list); | |
8777 | INIT_LIST_HEAD(&ioc->delayed_tr_list); | |
8778 | INIT_LIST_HEAD(&ioc->delayed_sc_list); | |
8779 | INIT_LIST_HEAD(&ioc->delayed_event_ack_list); | |
8780 | INIT_LIST_HEAD(&ioc->delayed_tr_volume_list); | |
8781 | INIT_LIST_HEAD(&ioc->reply_queue_list); | |
8782 | ||
8783 | sprintf(ioc->name, "%s_cm%d", ioc->driver_name, ioc->id); | |
8784 | ||
8785 | /* init shost parameters */ | |
8786 | shost->max_cmd_len = 32; | |
8787 | shost->max_lun = max_lun; | |
8788 | shost->transportt = mpt3sas_transport_template; | |
8789 | shost->unique_id = ioc->id; | |
8790 | ||
8791 | if (max_sectors != 0xFFFF) { | |
8792 | if (max_sectors < 64) { | |
8793 | shost->max_sectors = 64; | |
8794 | pr_warn(MPT3SAS_FMT "Invalid value %d passed " \ | |
8795 | "for max_sectors, range is 64 to 32767. Assigning " | |
8796 | "value of 64.\n", ioc->name, max_sectors); | |
8797 | } else if (max_sectors > 32767) { | |
8798 | shost->max_sectors = 32767; | |
8799 | pr_warn(MPT3SAS_FMT "Invalid value %d passed " \ | |
8800 | "for max_sectors, range is 64 to 32767. Assigning " | |
8801 | "default value of 32767.\n", ioc->name, | |
8802 | max_sectors); | |
8803 | } else { | |
8804 | shost->max_sectors = max_sectors & 0xFFFE; | |
8805 | pr_info(MPT3SAS_FMT | |
8806 | "The max_sectors value is set to %d\n", | |
8807 | ioc->name, shost->max_sectors); | |
8808 | } | |
8809 | } | |
8810 | ||
8811 | /* register EEDP capabilities with SCSI layer */ | |
8812 | if (prot_mask > 0) | |
8813 | scsi_host_set_prot(shost, prot_mask); | |
8814 | else | |
8815 | scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION | |
8816 | | SHOST_DIF_TYPE2_PROTECTION | |
8817 | | SHOST_DIF_TYPE3_PROTECTION); | |
8818 | ||
8819 | scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC); | |
8820 | ||
8821 | /* event thread */ | |
8822 | snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name), | |
8823 | "fw_event_%s%d", ioc->driver_name, ioc->id); | |
8824 | ioc->firmware_event_thread = alloc_ordered_workqueue( | |
8825 | ioc->firmware_event_name, WQ_MEM_RECLAIM); | |
8826 | if (!ioc->firmware_event_thread) { | |
8827 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
8828 | ioc->name, __FILE__, __LINE__, __func__); | |
8829 | rv = -ENODEV; | |
8830 | goto out_thread_fail; | |
8831 | } | |
8832 | ||
8833 | ioc->is_driver_loading = 1; | |
8834 | if ((mpt3sas_base_attach(ioc))) { | |
8835 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
8836 | ioc->name, __FILE__, __LINE__, __func__); | |
8837 | rv = -ENODEV; | |
8838 | goto out_attach_fail; | |
8839 | } | |
8840 | ||
8841 | if (ioc->is_warpdrive) { | |
8842 | if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_EXPOSE_ALL_DISKS) | |
8843 | ioc->hide_drives = 0; | |
8844 | else if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_HIDE_ALL_DISKS) | |
8845 | ioc->hide_drives = 1; | |
8846 | else { | |
8847 | if (mpt3sas_get_num_volumes(ioc)) | |
8848 | ioc->hide_drives = 1; | |
8849 | else | |
8850 | ioc->hide_drives = 0; | |
8851 | } | |
8852 | } else | |
8853 | ioc->hide_drives = 0; | |
8854 | ||
8855 | rv = scsi_add_host(shost, &pdev->dev); | |
8856 | if (rv) { | |
8857 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", | |
8858 | ioc->name, __FILE__, __LINE__, __func__); | |
8859 | goto out_add_shost_fail; | |
8860 | } | |
8861 | ||
8862 | scsi_scan_host(shost); | |
8863 | return 0; | |
8864 | out_add_shost_fail: | |
8865 | mpt3sas_base_detach(ioc); | |
8866 | out_attach_fail: | |
8867 | destroy_workqueue(ioc->firmware_event_thread); | |
8868 | out_thread_fail: | |
8869 | spin_lock(&gioc_lock); | |
8870 | list_del(&ioc->list); | |
8871 | spin_unlock(&gioc_lock); | |
8872 | scsi_host_put(shost); | |
8873 | return rv; | |
8874 | } | |
8875 | ||
8876 | #ifdef CONFIG_PM | |
8877 | /** | |
8878 | * scsih_suspend - power management suspend main entry point | |
8879 | * @pdev: PCI device struct | |
8880 | * @state: PM state change to (usually PCI_D3) | |
8881 | * | |
8882 | * Returns 0 success, anything else error. | |
8883 | */ | |
8884 | static int | |
8885 | scsih_suspend(struct pci_dev *pdev, pm_message_t state) | |
8886 | { | |
8887 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
8888 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
8889 | pci_power_t device_state; | |
8890 | ||
8891 | mpt3sas_base_stop_watchdog(ioc); | |
8892 | flush_scheduled_work(); | |
8893 | scsi_block_requests(shost); | |
8894 | device_state = pci_choose_state(pdev, state); | |
8895 | pr_info(MPT3SAS_FMT | |
8896 | "pdev=0x%p, slot=%s, entering operating state [D%d]\n", | |
8897 | ioc->name, pdev, pci_name(pdev), device_state); | |
8898 | ||
8899 | pci_save_state(pdev); | |
8900 | mpt3sas_base_free_resources(ioc); | |
8901 | pci_set_power_state(pdev, device_state); | |
8902 | return 0; | |
8903 | } | |
8904 | ||
8905 | /** | |
8906 | * scsih_resume - power management resume main entry point | |
8907 | * @pdev: PCI device struct | |
8908 | * | |
8909 | * Returns 0 success, anything else error. | |
8910 | */ | |
8911 | static int | |
8912 | scsih_resume(struct pci_dev *pdev) | |
8913 | { | |
8914 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
8915 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
8916 | pci_power_t device_state = pdev->current_state; | |
8917 | int r; | |
8918 | ||
8919 | pr_info(MPT3SAS_FMT | |
8920 | "pdev=0x%p, slot=%s, previous operating state [D%d]\n", | |
8921 | ioc->name, pdev, pci_name(pdev), device_state); | |
8922 | ||
8923 | pci_set_power_state(pdev, PCI_D0); | |
8924 | pci_enable_wake(pdev, PCI_D0, 0); | |
8925 | pci_restore_state(pdev); | |
8926 | ioc->pdev = pdev; | |
8927 | r = mpt3sas_base_map_resources(ioc); | |
8928 | if (r) | |
8929 | return r; | |
8930 | ||
8931 | mpt3sas_base_hard_reset_handler(ioc, SOFT_RESET); | |
8932 | scsi_unblock_requests(shost); | |
8933 | mpt3sas_base_start_watchdog(ioc); | |
8934 | return 0; | |
8935 | } | |
8936 | #endif /* CONFIG_PM */ | |
8937 | ||
8938 | /** | |
8939 | * scsih_pci_error_detected - Called when a PCI error is detected. | |
8940 | * @pdev: PCI device struct | |
8941 | * @state: PCI channel state | |
8942 | * | |
8943 | * Description: Called when a PCI error is detected. | |
8944 | * | |
8945 | * Return value: | |
8946 | * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT | |
8947 | */ | |
8948 | static pci_ers_result_t | |
8949 | scsih_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) | |
8950 | { | |
8951 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
8952 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
8953 | ||
8954 | pr_info(MPT3SAS_FMT "PCI error: detected callback, state(%d)!!\n", | |
8955 | ioc->name, state); | |
8956 | ||
8957 | switch (state) { | |
8958 | case pci_channel_io_normal: | |
8959 | return PCI_ERS_RESULT_CAN_RECOVER; | |
8960 | case pci_channel_io_frozen: | |
8961 | /* Fatal error, prepare for slot reset */ | |
8962 | ioc->pci_error_recovery = 1; | |
8963 | scsi_block_requests(ioc->shost); | |
8964 | mpt3sas_base_stop_watchdog(ioc); | |
8965 | mpt3sas_base_free_resources(ioc); | |
8966 | return PCI_ERS_RESULT_NEED_RESET; | |
8967 | case pci_channel_io_perm_failure: | |
8968 | /* Permanent error, prepare for device removal */ | |
8969 | ioc->pci_error_recovery = 1; | |
8970 | mpt3sas_base_stop_watchdog(ioc); | |
8971 | _scsih_flush_running_cmds(ioc); | |
8972 | return PCI_ERS_RESULT_DISCONNECT; | |
8973 | } | |
8974 | return PCI_ERS_RESULT_NEED_RESET; | |
8975 | } | |
8976 | ||
8977 | /** | |
8978 | * scsih_pci_slot_reset - Called when PCI slot has been reset. | |
8979 | * @pdev: PCI device struct | |
8980 | * | |
8981 | * Description: This routine is called by the pci error recovery | |
8982 | * code after the PCI slot has been reset, just before we | |
8983 | * should resume normal operations. | |
8984 | */ | |
8985 | static pci_ers_result_t | |
8986 | scsih_pci_slot_reset(struct pci_dev *pdev) | |
8987 | { | |
8988 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
8989 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
8990 | int rc; | |
8991 | ||
8992 | pr_info(MPT3SAS_FMT "PCI error: slot reset callback!!\n", | |
8993 | ioc->name); | |
8994 | ||
8995 | ioc->pci_error_recovery = 0; | |
8996 | ioc->pdev = pdev; | |
8997 | pci_restore_state(pdev); | |
8998 | rc = mpt3sas_base_map_resources(ioc); | |
8999 | if (rc) | |
9000 | return PCI_ERS_RESULT_DISCONNECT; | |
9001 | ||
9002 | rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); | |
9003 | ||
9004 | pr_warn(MPT3SAS_FMT "hard reset: %s\n", ioc->name, | |
9005 | (rc == 0) ? "success" : "failed"); | |
9006 | ||
9007 | if (!rc) | |
9008 | return PCI_ERS_RESULT_RECOVERED; | |
9009 | else | |
9010 | return PCI_ERS_RESULT_DISCONNECT; | |
9011 | } | |
9012 | ||
9013 | /** | |
9014 | * scsih_pci_resume() - resume normal ops after PCI reset | |
9015 | * @pdev: pointer to PCI device | |
9016 | * | |
9017 | * Called when the error recovery driver tells us that its | |
9018 | * OK to resume normal operation. Use completion to allow | |
9019 | * halted scsi ops to resume. | |
9020 | */ | |
9021 | static void | |
9022 | scsih_pci_resume(struct pci_dev *pdev) | |
9023 | { | |
9024 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
9025 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
9026 | ||
9027 | pr_info(MPT3SAS_FMT "PCI error: resume callback!!\n", ioc->name); | |
9028 | ||
9029 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
9030 | mpt3sas_base_start_watchdog(ioc); | |
9031 | scsi_unblock_requests(ioc->shost); | |
9032 | } | |
9033 | ||
9034 | /** | |
9035 | * scsih_pci_mmio_enabled - Enable MMIO and dump debug registers | |
9036 | * @pdev: pointer to PCI device | |
9037 | */ | |
9038 | static pci_ers_result_t | |
9039 | scsih_pci_mmio_enabled(struct pci_dev *pdev) | |
9040 | { | |
9041 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
9042 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
9043 | ||
9044 | pr_info(MPT3SAS_FMT "PCI error: mmio enabled callback!!\n", | |
9045 | ioc->name); | |
9046 | ||
9047 | /* TODO - dump whatever for debugging purposes */ | |
9048 | ||
9049 | /* This called only if scsih_pci_error_detected returns | |
9050 | * PCI_ERS_RESULT_CAN_RECOVER. Read/write to the device still | |
9051 | * works, no need to reset slot. | |
9052 | */ | |
9053 | return PCI_ERS_RESULT_RECOVERED; | |
9054 | } | |
9055 | ||
9056 | /* | |
9057 | * The pci device ids are defined in mpi/mpi2_cnfg.h. | |
9058 | */ | |
9059 | static const struct pci_device_id mpt3sas_pci_table[] = { | |
9060 | /* Spitfire ~ 2004 */ | |
9061 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004, | |
9062 | PCI_ANY_ID, PCI_ANY_ID }, | |
9063 | /* Falcon ~ 2008 */ | |
9064 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008, | |
9065 | PCI_ANY_ID, PCI_ANY_ID }, | |
9066 | /* Liberator ~ 2108 */ | |
9067 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1, | |
9068 | PCI_ANY_ID, PCI_ANY_ID }, | |
9069 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2, | |
9070 | PCI_ANY_ID, PCI_ANY_ID }, | |
9071 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3, | |
9072 | PCI_ANY_ID, PCI_ANY_ID }, | |
9073 | /* Meteor ~ 2116 */ | |
9074 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1, | |
9075 | PCI_ANY_ID, PCI_ANY_ID }, | |
9076 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2, | |
9077 | PCI_ANY_ID, PCI_ANY_ID }, | |
9078 | /* Thunderbolt ~ 2208 */ | |
9079 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1, | |
9080 | PCI_ANY_ID, PCI_ANY_ID }, | |
9081 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_2, | |
9082 | PCI_ANY_ID, PCI_ANY_ID }, | |
9083 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_3, | |
9084 | PCI_ANY_ID, PCI_ANY_ID }, | |
9085 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_4, | |
9086 | PCI_ANY_ID, PCI_ANY_ID }, | |
9087 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_5, | |
9088 | PCI_ANY_ID, PCI_ANY_ID }, | |
9089 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6, | |
9090 | PCI_ANY_ID, PCI_ANY_ID }, | |
9091 | /* Mustang ~ 2308 */ | |
9092 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_1, | |
9093 | PCI_ANY_ID, PCI_ANY_ID }, | |
9094 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2, | |
9095 | PCI_ANY_ID, PCI_ANY_ID }, | |
9096 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_3, | |
9097 | PCI_ANY_ID, PCI_ANY_ID }, | |
9098 | /* SSS6200 */ | |
9099 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SSS6200, | |
9100 | PCI_ANY_ID, PCI_ANY_ID }, | |
9101 | /* Fury ~ 3004 and 3008 */ | |
9102 | { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3004, | |
9103 | PCI_ANY_ID, PCI_ANY_ID }, | |
9104 | { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3008, | |
9105 | PCI_ANY_ID, PCI_ANY_ID }, | |
9106 | /* Invader ~ 3108 */ | |
9107 | { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_1, | |
9108 | PCI_ANY_ID, PCI_ANY_ID }, | |
9109 | { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_2, | |
9110 | PCI_ANY_ID, PCI_ANY_ID }, | |
9111 | { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_5, | |
9112 | PCI_ANY_ID, PCI_ANY_ID }, | |
9113 | { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_6, | |
9114 | PCI_ANY_ID, PCI_ANY_ID }, | |
9115 | /* Cutlass ~ 3216 and 3224 */ | |
9116 | { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3216, | |
9117 | PCI_ANY_ID, PCI_ANY_ID }, | |
9118 | { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3224, | |
9119 | PCI_ANY_ID, PCI_ANY_ID }, | |
9120 | /* Intruder ~ 3316 and 3324 */ | |
9121 | { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_1, | |
9122 | PCI_ANY_ID, PCI_ANY_ID }, | |
9123 | { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_2, | |
9124 | PCI_ANY_ID, PCI_ANY_ID }, | |
9125 | { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_3, | |
9126 | PCI_ANY_ID, PCI_ANY_ID }, | |
9127 | { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_4, | |
9128 | PCI_ANY_ID, PCI_ANY_ID }, | |
9129 | { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_1, | |
9130 | PCI_ANY_ID, PCI_ANY_ID }, | |
9131 | { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_2, | |
9132 | PCI_ANY_ID, PCI_ANY_ID }, | |
9133 | { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_3, | |
9134 | PCI_ANY_ID, PCI_ANY_ID }, | |
9135 | { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_4, | |
9136 | PCI_ANY_ID, PCI_ANY_ID }, | |
9137 | {0} /* Terminating entry */ | |
9138 | }; | |
9139 | MODULE_DEVICE_TABLE(pci, mpt3sas_pci_table); | |
9140 | ||
9141 | static struct pci_error_handlers _mpt3sas_err_handler = { | |
9142 | .error_detected = scsih_pci_error_detected, | |
9143 | .mmio_enabled = scsih_pci_mmio_enabled, | |
9144 | .slot_reset = scsih_pci_slot_reset, | |
9145 | .resume = scsih_pci_resume, | |
9146 | }; | |
9147 | ||
9148 | static struct pci_driver mpt3sas_driver = { | |
9149 | .name = MPT3SAS_DRIVER_NAME, | |
9150 | .id_table = mpt3sas_pci_table, | |
9151 | .probe = _scsih_probe, | |
9152 | .remove = scsih_remove, | |
9153 | .shutdown = scsih_shutdown, | |
9154 | .err_handler = &_mpt3sas_err_handler, | |
9155 | #ifdef CONFIG_PM | |
9156 | .suspend = scsih_suspend, | |
9157 | .resume = scsih_resume, | |
9158 | #endif | |
9159 | }; | |
9160 | ||
9161 | /** | |
9162 | * scsih_init - main entry point for this driver. | |
9163 | * | |
9164 | * Returns 0 success, anything else error. | |
9165 | */ | |
9166 | static int | |
9167 | scsih_init(void) | |
9168 | { | |
9169 | mpt2_ids = 0; | |
9170 | mpt3_ids = 0; | |
9171 | ||
9172 | mpt3sas_base_initialize_callback_handler(); | |
9173 | ||
9174 | /* queuecommand callback hander */ | |
9175 | scsi_io_cb_idx = mpt3sas_base_register_callback_handler(_scsih_io_done); | |
9176 | ||
9177 | /* task managment callback handler */ | |
9178 | tm_cb_idx = mpt3sas_base_register_callback_handler(_scsih_tm_done); | |
9179 | ||
9180 | /* base internal commands callback handler */ | |
9181 | base_cb_idx = mpt3sas_base_register_callback_handler(mpt3sas_base_done); | |
9182 | port_enable_cb_idx = mpt3sas_base_register_callback_handler( | |
9183 | mpt3sas_port_enable_done); | |
9184 | ||
9185 | /* transport internal commands callback handler */ | |
9186 | transport_cb_idx = mpt3sas_base_register_callback_handler( | |
9187 | mpt3sas_transport_done); | |
9188 | ||
9189 | /* scsih internal commands callback handler */ | |
9190 | scsih_cb_idx = mpt3sas_base_register_callback_handler(_scsih_done); | |
9191 | ||
9192 | /* configuration page API internal commands callback handler */ | |
9193 | config_cb_idx = mpt3sas_base_register_callback_handler( | |
9194 | mpt3sas_config_done); | |
9195 | ||
9196 | /* ctl module callback handler */ | |
9197 | ctl_cb_idx = mpt3sas_base_register_callback_handler(mpt3sas_ctl_done); | |
9198 | ||
9199 | tm_tr_cb_idx = mpt3sas_base_register_callback_handler( | |
9200 | _scsih_tm_tr_complete); | |
9201 | ||
9202 | tm_tr_volume_cb_idx = mpt3sas_base_register_callback_handler( | |
9203 | _scsih_tm_volume_tr_complete); | |
9204 | ||
9205 | tm_sas_control_cb_idx = mpt3sas_base_register_callback_handler( | |
9206 | _scsih_sas_control_complete); | |
9207 | ||
9208 | return 0; | |
9209 | } | |
9210 | ||
9211 | /** | |
9212 | * scsih_exit - exit point for this driver (when it is a module). | |
9213 | * | |
9214 | * Returns 0 success, anything else error. | |
9215 | */ | |
9216 | static void | |
9217 | scsih_exit(void) | |
9218 | { | |
9219 | ||
9220 | mpt3sas_base_release_callback_handler(scsi_io_cb_idx); | |
9221 | mpt3sas_base_release_callback_handler(tm_cb_idx); | |
9222 | mpt3sas_base_release_callback_handler(base_cb_idx); | |
9223 | mpt3sas_base_release_callback_handler(port_enable_cb_idx); | |
9224 | mpt3sas_base_release_callback_handler(transport_cb_idx); | |
9225 | mpt3sas_base_release_callback_handler(scsih_cb_idx); | |
9226 | mpt3sas_base_release_callback_handler(config_cb_idx); | |
9227 | mpt3sas_base_release_callback_handler(ctl_cb_idx); | |
9228 | ||
9229 | mpt3sas_base_release_callback_handler(tm_tr_cb_idx); | |
9230 | mpt3sas_base_release_callback_handler(tm_tr_volume_cb_idx); | |
9231 | mpt3sas_base_release_callback_handler(tm_sas_control_cb_idx); | |
9232 | ||
9233 | /* raid transport support */ | |
9234 | if (hbas_to_enumerate != 1) | |
9235 | raid_class_release(mpt3sas_raid_template); | |
9236 | if (hbas_to_enumerate != 2) | |
9237 | raid_class_release(mpt2sas_raid_template); | |
9238 | sas_release_transport(mpt3sas_transport_template); | |
9239 | } | |
9240 | ||
9241 | /** | |
9242 | * _mpt3sas_init - main entry point for this driver. | |
9243 | * | |
9244 | * Returns 0 success, anything else error. | |
9245 | */ | |
9246 | static int __init | |
9247 | _mpt3sas_init(void) | |
9248 | { | |
9249 | int error; | |
9250 | ||
9251 | pr_info("%s version %s loaded\n", MPT3SAS_DRIVER_NAME, | |
9252 | MPT3SAS_DRIVER_VERSION); | |
9253 | ||
9254 | mpt3sas_transport_template = | |
9255 | sas_attach_transport(&mpt3sas_transport_functions); | |
9256 | if (!mpt3sas_transport_template) | |
9257 | return -ENODEV; | |
9258 | ||
9259 | /* No need attach mpt3sas raid functions template | |
9260 | * if hbas_to_enumarate value is one. | |
9261 | */ | |
9262 | if (hbas_to_enumerate != 1) { | |
9263 | mpt3sas_raid_template = | |
9264 | raid_class_attach(&mpt3sas_raid_functions); | |
9265 | if (!mpt3sas_raid_template) { | |
9266 | sas_release_transport(mpt3sas_transport_template); | |
9267 | return -ENODEV; | |
9268 | } | |
9269 | } | |
9270 | ||
9271 | /* No need to attach mpt2sas raid functions template | |
9272 | * if hbas_to_enumarate value is two | |
9273 | */ | |
9274 | if (hbas_to_enumerate != 2) { | |
9275 | mpt2sas_raid_template = | |
9276 | raid_class_attach(&mpt2sas_raid_functions); | |
9277 | if (!mpt2sas_raid_template) { | |
9278 | sas_release_transport(mpt3sas_transport_template); | |
9279 | return -ENODEV; | |
9280 | } | |
9281 | } | |
9282 | ||
9283 | error = scsih_init(); | |
9284 | if (error) { | |
9285 | scsih_exit(); | |
9286 | return error; | |
9287 | } | |
9288 | ||
9289 | mpt3sas_ctl_init(hbas_to_enumerate); | |
9290 | ||
9291 | error = pci_register_driver(&mpt3sas_driver); | |
9292 | if (error) | |
9293 | scsih_exit(); | |
9294 | ||
9295 | return error; | |
9296 | } | |
9297 | ||
9298 | /** | |
9299 | * _mpt3sas_exit - exit point for this driver (when it is a module). | |
9300 | * | |
9301 | */ | |
9302 | static void __exit | |
9303 | _mpt3sas_exit(void) | |
9304 | { | |
9305 | pr_info("mpt3sas version %s unloading\n", | |
9306 | MPT3SAS_DRIVER_VERSION); | |
9307 | ||
9308 | pci_unregister_driver(&mpt3sas_driver); | |
9309 | ||
9310 | mpt3sas_ctl_exit(hbas_to_enumerate); | |
9311 | ||
9312 | scsih_exit(); | |
9313 | } | |
9314 | ||
9315 | module_init(_mpt3sas_init); | |
9316 | module_exit(_mpt3sas_exit); |