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635374e7 EM |
1 | /* |
2 | * Scsi Host Layer for MPT (Message Passing Technology) based controllers | |
3 | * | |
4 | * This code is based on drivers/scsi/mpt2sas/mpt2_scsih.c | |
5 | * Copyright (C) 2007-2008 LSI Corporation | |
6 | * (mailto:DL-MPTFusionLinux@lsi.com) | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License | |
10 | * as published by the Free Software Foundation; either version 2 | |
11 | * of the License, or (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * NO WARRANTY | |
19 | * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR | |
20 | * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT | |
21 | * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, | |
22 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is | |
23 | * solely responsible for determining the appropriateness of using and | |
24 | * distributing the Program and assumes all risks associated with its | |
25 | * exercise of rights under this Agreement, including but not limited to | |
26 | * the risks and costs of program errors, damage to or loss of data, | |
27 | * programs or equipment, and unavailability or interruption of operations. | |
28 | ||
29 | * DISCLAIMER OF LIABILITY | |
30 | * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY | |
31 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
32 | * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND | |
33 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR | |
34 | * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE | |
35 | * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED | |
36 | * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES | |
37 | ||
38 | * You should have received a copy of the GNU General Public License | |
39 | * along with this program; if not, write to the Free Software | |
40 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, | |
41 | * USA. | |
42 | */ | |
43 | ||
44 | #include <linux/version.h> | |
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 | ||
56 | #include "mpt2sas_base.h" | |
57 | ||
58 | MODULE_AUTHOR(MPT2SAS_AUTHOR); | |
59 | MODULE_DESCRIPTION(MPT2SAS_DESCRIPTION); | |
60 | MODULE_LICENSE("GPL"); | |
61 | MODULE_VERSION(MPT2SAS_DRIVER_VERSION); | |
62 | ||
63 | #define RAID_CHANNEL 1 | |
64 | ||
65 | /* forward proto's */ | |
66 | static void _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc, | |
67 | struct _sas_node *sas_expander); | |
68 | static void _firmware_event_work(struct work_struct *work); | |
69 | ||
70 | /* global parameters */ | |
ba33fadf | 71 | LIST_HEAD(mpt2sas_ioc_list); |
635374e7 EM |
72 | |
73 | /* local parameters */ | |
635374e7 EM |
74 | static u8 scsi_io_cb_idx = -1; |
75 | static u8 tm_cb_idx = -1; | |
76 | static u8 ctl_cb_idx = -1; | |
77 | static u8 base_cb_idx = -1; | |
78 | static u8 transport_cb_idx = -1; | |
79 | static u8 config_cb_idx = -1; | |
80 | static int mpt_ids; | |
81 | ||
82 | /* command line options */ | |
ba33fadf | 83 | static u32 logging_level; |
635374e7 EM |
84 | MODULE_PARM_DESC(logging_level, " bits for enabling additional logging info " |
85 | "(default=0)"); | |
86 | ||
87 | /* scsi-mid layer global parmeter is max_report_luns, which is 511 */ | |
88 | #define MPT2SAS_MAX_LUN (16895) | |
89 | static int max_lun = MPT2SAS_MAX_LUN; | |
90 | module_param(max_lun, int, 0); | |
91 | MODULE_PARM_DESC(max_lun, " max lun, default=16895 "); | |
92 | ||
93 | /** | |
94 | * struct sense_info - common structure for obtaining sense keys | |
95 | * @skey: sense key | |
96 | * @asc: additional sense code | |
97 | * @ascq: additional sense code qualifier | |
98 | */ | |
99 | struct sense_info { | |
100 | u8 skey; | |
101 | u8 asc; | |
102 | u8 ascq; | |
103 | }; | |
104 | ||
105 | ||
106 | #define MPT2SAS_RESCAN_AFTER_HOST_RESET (0xFFFF) | |
107 | /** | |
108 | * struct fw_event_work - firmware event struct | |
109 | * @list: link list framework | |
110 | * @work: work object (ioc->fault_reset_work_q) | |
111 | * @ioc: per adapter object | |
112 | * @VF_ID: virtual function id | |
113 | * @host_reset_handling: handling events during host reset | |
114 | * @ignore: flag meaning this event has been marked to ignore | |
115 | * @event: firmware event MPI2_EVENT_XXX defined in mpt2_ioc.h | |
116 | * @event_data: reply event data payload follows | |
117 | * | |
118 | * This object stored on ioc->fw_event_list. | |
119 | */ | |
120 | struct fw_event_work { | |
121 | struct list_head list; | |
122 | struct delayed_work work; | |
123 | struct MPT2SAS_ADAPTER *ioc; | |
124 | u8 VF_ID; | |
125 | u8 host_reset_handling; | |
126 | u8 ignore; | |
127 | u16 event; | |
128 | void *event_data; | |
129 | }; | |
130 | ||
131 | /** | |
132 | * struct _scsi_io_transfer - scsi io transfer | |
133 | * @handle: sas device handle (assigned by firmware) | |
134 | * @is_raid: flag set for hidden raid components | |
135 | * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE, | |
136 | * @data_length: data transfer length | |
137 | * @data_dma: dma pointer to data | |
138 | * @sense: sense data | |
139 | * @lun: lun number | |
140 | * @cdb_length: cdb length | |
141 | * @cdb: cdb contents | |
142 | * @valid_reply: flag set for reply message | |
143 | * @timeout: timeout for this command | |
144 | * @sense_length: sense length | |
145 | * @ioc_status: ioc status | |
146 | * @scsi_state: scsi state | |
147 | * @scsi_status: scsi staus | |
148 | * @log_info: log information | |
149 | * @transfer_length: data length transfer when there is a reply message | |
150 | * | |
151 | * Used for sending internal scsi commands to devices within this module. | |
152 | * Refer to _scsi_send_scsi_io(). | |
153 | */ | |
154 | struct _scsi_io_transfer { | |
155 | u16 handle; | |
156 | u8 is_raid; | |
157 | enum dma_data_direction dir; | |
158 | u32 data_length; | |
159 | dma_addr_t data_dma; | |
160 | u8 sense[SCSI_SENSE_BUFFERSIZE]; | |
161 | u32 lun; | |
162 | u8 cdb_length; | |
163 | u8 cdb[32]; | |
164 | u8 timeout; | |
165 | u8 valid_reply; | |
166 | /* the following bits are only valid when 'valid_reply = 1' */ | |
167 | u32 sense_length; | |
168 | u16 ioc_status; | |
169 | u8 scsi_state; | |
170 | u8 scsi_status; | |
171 | u32 log_info; | |
172 | u32 transfer_length; | |
173 | }; | |
174 | ||
175 | /* | |
176 | * The pci device ids are defined in mpi/mpi2_cnfg.h. | |
177 | */ | |
178 | static struct pci_device_id scsih_pci_table[] = { | |
179 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004, | |
180 | PCI_ANY_ID, PCI_ANY_ID }, | |
181 | /* Falcon ~ 2008*/ | |
182 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008, | |
183 | PCI_ANY_ID, PCI_ANY_ID }, | |
184 | /* Liberator ~ 2108 */ | |
185 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1, | |
186 | PCI_ANY_ID, PCI_ANY_ID }, | |
187 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2, | |
188 | PCI_ANY_ID, PCI_ANY_ID }, | |
189 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3, | |
190 | PCI_ANY_ID, PCI_ANY_ID }, | |
191 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1, | |
192 | PCI_ANY_ID, PCI_ANY_ID }, | |
193 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2, | |
194 | PCI_ANY_ID, PCI_ANY_ID }, | |
195 | {0} /* Terminating entry */ | |
196 | }; | |
197 | MODULE_DEVICE_TABLE(pci, scsih_pci_table); | |
198 | ||
199 | /** | |
200 | * scsih_set_debug_level - global setting of ioc->logging_level. | |
201 | * | |
202 | * Note: The logging levels are defined in mpt2sas_debug.h. | |
203 | */ | |
204 | static int | |
205 | scsih_set_debug_level(const char *val, struct kernel_param *kp) | |
206 | { | |
207 | int ret = param_set_int(val, kp); | |
208 | struct MPT2SAS_ADAPTER *ioc; | |
209 | ||
210 | if (ret) | |
211 | return ret; | |
212 | ||
213 | printk(KERN_INFO "setting logging_level(0x%08x)\n", logging_level); | |
ba33fadf | 214 | list_for_each_entry(ioc, &mpt2sas_ioc_list, list) |
635374e7 EM |
215 | ioc->logging_level = logging_level; |
216 | return 0; | |
217 | } | |
218 | module_param_call(logging_level, scsih_set_debug_level, param_get_int, | |
219 | &logging_level, 0644); | |
220 | ||
221 | /** | |
222 | * _scsih_srch_boot_sas_address - search based on sas_address | |
223 | * @sas_address: sas address | |
224 | * @boot_device: boot device object from bios page 2 | |
225 | * | |
226 | * Returns 1 when there's a match, 0 means no match. | |
227 | */ | |
228 | static inline int | |
229 | _scsih_srch_boot_sas_address(u64 sas_address, | |
230 | Mpi2BootDeviceSasWwid_t *boot_device) | |
231 | { | |
232 | return (sas_address == le64_to_cpu(boot_device->SASAddress)) ? 1 : 0; | |
233 | } | |
234 | ||
235 | /** | |
236 | * _scsih_srch_boot_device_name - search based on device name | |
237 | * @device_name: device name specified in INDENTIFY fram | |
238 | * @boot_device: boot device object from bios page 2 | |
239 | * | |
240 | * Returns 1 when there's a match, 0 means no match. | |
241 | */ | |
242 | static inline int | |
243 | _scsih_srch_boot_device_name(u64 device_name, | |
244 | Mpi2BootDeviceDeviceName_t *boot_device) | |
245 | { | |
246 | return (device_name == le64_to_cpu(boot_device->DeviceName)) ? 1 : 0; | |
247 | } | |
248 | ||
249 | /** | |
250 | * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot | |
251 | * @enclosure_logical_id: enclosure logical id | |
252 | * @slot_number: slot number | |
253 | * @boot_device: boot device object from bios page 2 | |
254 | * | |
255 | * Returns 1 when there's a match, 0 means no match. | |
256 | */ | |
257 | static inline int | |
258 | _scsih_srch_boot_encl_slot(u64 enclosure_logical_id, u16 slot_number, | |
259 | Mpi2BootDeviceEnclosureSlot_t *boot_device) | |
260 | { | |
261 | return (enclosure_logical_id == le64_to_cpu(boot_device-> | |
262 | EnclosureLogicalID) && slot_number == le16_to_cpu(boot_device-> | |
263 | SlotNumber)) ? 1 : 0; | |
264 | } | |
265 | ||
266 | /** | |
267 | * _scsih_is_boot_device - search for matching boot device. | |
268 | * @sas_address: sas address | |
269 | * @device_name: device name specified in INDENTIFY fram | |
270 | * @enclosure_logical_id: enclosure logical id | |
271 | * @slot_number: slot number | |
272 | * @form: specifies boot device form | |
273 | * @boot_device: boot device object from bios page 2 | |
274 | * | |
275 | * Returns 1 when there's a match, 0 means no match. | |
276 | */ | |
277 | static int | |
278 | _scsih_is_boot_device(u64 sas_address, u64 device_name, | |
279 | u64 enclosure_logical_id, u16 slot, u8 form, | |
280 | Mpi2BiosPage2BootDevice_t *boot_device) | |
281 | { | |
282 | int rc = 0; | |
283 | ||
284 | switch (form) { | |
285 | case MPI2_BIOSPAGE2_FORM_SAS_WWID: | |
286 | if (!sas_address) | |
287 | break; | |
288 | rc = _scsih_srch_boot_sas_address( | |
289 | sas_address, &boot_device->SasWwid); | |
290 | break; | |
291 | case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT: | |
292 | if (!enclosure_logical_id) | |
293 | break; | |
294 | rc = _scsih_srch_boot_encl_slot( | |
295 | enclosure_logical_id, | |
296 | slot, &boot_device->EnclosureSlot); | |
297 | break; | |
298 | case MPI2_BIOSPAGE2_FORM_DEVICE_NAME: | |
299 | if (!device_name) | |
300 | break; | |
301 | rc = _scsih_srch_boot_device_name( | |
302 | device_name, &boot_device->DeviceName); | |
303 | break; | |
304 | case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED: | |
305 | break; | |
306 | } | |
307 | ||
308 | return rc; | |
309 | } | |
310 | ||
311 | /** | |
312 | * _scsih_determine_boot_device - determine boot device. | |
313 | * @ioc: per adapter object | |
314 | * @device: either sas_device or raid_device object | |
315 | * @is_raid: [flag] 1 = raid object, 0 = sas object | |
316 | * | |
317 | * Determines whether this device should be first reported device to | |
318 | * to scsi-ml or sas transport, this purpose is for persistant boot device. | |
319 | * There are primary, alternate, and current entries in bios page 2. The order | |
320 | * priority is primary, alternate, then current. This routine saves | |
321 | * the corresponding device object and is_raid flag in the ioc object. | |
322 | * The saved data to be used later in _scsih_probe_boot_devices(). | |
323 | */ | |
324 | static void | |
325 | _scsih_determine_boot_device(struct MPT2SAS_ADAPTER *ioc, | |
326 | void *device, u8 is_raid) | |
327 | { | |
328 | struct _sas_device *sas_device; | |
329 | struct _raid_device *raid_device; | |
330 | u64 sas_address; | |
331 | u64 device_name; | |
332 | u64 enclosure_logical_id; | |
333 | u16 slot; | |
334 | ||
335 | /* only process this function when driver loads */ | |
336 | if (!ioc->wait_for_port_enable_to_complete) | |
337 | return; | |
338 | ||
339 | if (!is_raid) { | |
340 | sas_device = device; | |
341 | sas_address = sas_device->sas_address; | |
342 | device_name = sas_device->device_name; | |
343 | enclosure_logical_id = sas_device->enclosure_logical_id; | |
344 | slot = sas_device->slot; | |
345 | } else { | |
346 | raid_device = device; | |
347 | sas_address = raid_device->wwid; | |
348 | device_name = 0; | |
349 | enclosure_logical_id = 0; | |
350 | slot = 0; | |
351 | } | |
352 | ||
353 | if (!ioc->req_boot_device.device) { | |
354 | if (_scsih_is_boot_device(sas_address, device_name, | |
355 | enclosure_logical_id, slot, | |
356 | (ioc->bios_pg2.ReqBootDeviceForm & | |
357 | MPI2_BIOSPAGE2_FORM_MASK), | |
358 | &ioc->bios_pg2.RequestedBootDevice)) { | |
359 | dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT | |
360 | "%s: req_boot_device(0x%016llx)\n", | |
361 | ioc->name, __func__, | |
362 | (unsigned long long)sas_address)); | |
363 | ioc->req_boot_device.device = device; | |
364 | ioc->req_boot_device.is_raid = is_raid; | |
365 | } | |
366 | } | |
367 | ||
368 | if (!ioc->req_alt_boot_device.device) { | |
369 | if (_scsih_is_boot_device(sas_address, device_name, | |
370 | enclosure_logical_id, slot, | |
371 | (ioc->bios_pg2.ReqAltBootDeviceForm & | |
372 | MPI2_BIOSPAGE2_FORM_MASK), | |
373 | &ioc->bios_pg2.RequestedAltBootDevice)) { | |
374 | dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT | |
375 | "%s: req_alt_boot_device(0x%016llx)\n", | |
376 | ioc->name, __func__, | |
377 | (unsigned long long)sas_address)); | |
378 | ioc->req_alt_boot_device.device = device; | |
379 | ioc->req_alt_boot_device.is_raid = is_raid; | |
380 | } | |
381 | } | |
382 | ||
383 | if (!ioc->current_boot_device.device) { | |
384 | if (_scsih_is_boot_device(sas_address, device_name, | |
385 | enclosure_logical_id, slot, | |
386 | (ioc->bios_pg2.CurrentBootDeviceForm & | |
387 | MPI2_BIOSPAGE2_FORM_MASK), | |
388 | &ioc->bios_pg2.CurrentBootDevice)) { | |
389 | dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT | |
390 | "%s: current_boot_device(0x%016llx)\n", | |
391 | ioc->name, __func__, | |
392 | (unsigned long long)sas_address)); | |
393 | ioc->current_boot_device.device = device; | |
394 | ioc->current_boot_device.is_raid = is_raid; | |
395 | } | |
396 | } | |
397 | } | |
398 | ||
399 | /** | |
400 | * mpt2sas_scsih_sas_device_find_by_sas_address - sas device search | |
401 | * @ioc: per adapter object | |
402 | * @sas_address: sas address | |
403 | * Context: Calling function should acquire ioc->sas_device_lock | |
404 | * | |
405 | * This searches for sas_device based on sas_address, then return sas_device | |
406 | * object. | |
407 | */ | |
408 | struct _sas_device * | |
409 | mpt2sas_scsih_sas_device_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc, | |
410 | u64 sas_address) | |
411 | { | |
412 | struct _sas_device *sas_device, *r; | |
413 | ||
414 | r = NULL; | |
415 | /* check the sas_device_init_list */ | |
416 | list_for_each_entry(sas_device, &ioc->sas_device_init_list, | |
417 | list) { | |
418 | if (sas_device->sas_address != sas_address) | |
419 | continue; | |
420 | r = sas_device; | |
421 | goto out; | |
422 | } | |
423 | ||
424 | /* then check the sas_device_list */ | |
425 | list_for_each_entry(sas_device, &ioc->sas_device_list, list) { | |
426 | if (sas_device->sas_address != sas_address) | |
427 | continue; | |
428 | r = sas_device; | |
429 | goto out; | |
430 | } | |
431 | out: | |
432 | return r; | |
433 | } | |
434 | ||
435 | /** | |
436 | * _scsih_sas_device_find_by_handle - sas device search | |
437 | * @ioc: per adapter object | |
438 | * @handle: sas device handle (assigned by firmware) | |
439 | * Context: Calling function should acquire ioc->sas_device_lock | |
440 | * | |
441 | * This searches for sas_device based on sas_address, then return sas_device | |
442 | * object. | |
443 | */ | |
444 | static struct _sas_device * | |
445 | _scsih_sas_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
446 | { | |
447 | struct _sas_device *sas_device, *r; | |
448 | ||
449 | r = NULL; | |
450 | if (ioc->wait_for_port_enable_to_complete) { | |
451 | list_for_each_entry(sas_device, &ioc->sas_device_init_list, | |
452 | list) { | |
453 | if (sas_device->handle != handle) | |
454 | continue; | |
455 | r = sas_device; | |
456 | goto out; | |
457 | } | |
458 | } else { | |
459 | list_for_each_entry(sas_device, &ioc->sas_device_list, list) { | |
460 | if (sas_device->handle != handle) | |
461 | continue; | |
462 | r = sas_device; | |
463 | goto out; | |
464 | } | |
465 | } | |
466 | ||
467 | out: | |
468 | return r; | |
469 | } | |
470 | ||
471 | /** | |
472 | * _scsih_sas_device_remove - remove sas_device from list. | |
473 | * @ioc: per adapter object | |
474 | * @sas_device: the sas_device object | |
475 | * Context: This function will acquire ioc->sas_device_lock. | |
476 | * | |
477 | * Removing object and freeing associated memory from the ioc->sas_device_list. | |
478 | */ | |
479 | static void | |
480 | _scsih_sas_device_remove(struct MPT2SAS_ADAPTER *ioc, | |
481 | struct _sas_device *sas_device) | |
482 | { | |
483 | unsigned long flags; | |
484 | ||
485 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
486 | list_del(&sas_device->list); | |
487 | memset(sas_device, 0, sizeof(struct _sas_device)); | |
488 | kfree(sas_device); | |
489 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
490 | } | |
491 | ||
492 | /** | |
493 | * _scsih_sas_device_add - insert sas_device to the list. | |
494 | * @ioc: per adapter object | |
495 | * @sas_device: the sas_device object | |
496 | * Context: This function will acquire ioc->sas_device_lock. | |
497 | * | |
498 | * Adding new object to the ioc->sas_device_list. | |
499 | */ | |
500 | static void | |
501 | _scsih_sas_device_add(struct MPT2SAS_ADAPTER *ioc, | |
502 | struct _sas_device *sas_device) | |
503 | { | |
504 | unsigned long flags; | |
505 | u16 handle, parent_handle; | |
506 | u64 sas_address; | |
507 | ||
508 | dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle" | |
509 | "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, | |
510 | sas_device->handle, (unsigned long long)sas_device->sas_address)); | |
511 | ||
512 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
513 | list_add_tail(&sas_device->list, &ioc->sas_device_list); | |
514 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
515 | ||
516 | handle = sas_device->handle; | |
517 | parent_handle = sas_device->parent_handle; | |
518 | sas_address = sas_device->sas_address; | |
519 | if (!mpt2sas_transport_port_add(ioc, handle, parent_handle)) { | |
520 | _scsih_sas_device_remove(ioc, sas_device); | |
521 | } else if (!sas_device->starget) { | |
522 | mpt2sas_transport_port_remove(ioc, sas_address, parent_handle); | |
523 | _scsih_sas_device_remove(ioc, sas_device); | |
524 | } | |
525 | } | |
526 | ||
527 | /** | |
528 | * _scsih_sas_device_init_add - insert sas_device to the list. | |
529 | * @ioc: per adapter object | |
530 | * @sas_device: the sas_device object | |
531 | * Context: This function will acquire ioc->sas_device_lock. | |
532 | * | |
533 | * Adding new object at driver load time to the ioc->sas_device_init_list. | |
534 | */ | |
535 | static void | |
536 | _scsih_sas_device_init_add(struct MPT2SAS_ADAPTER *ioc, | |
537 | struct _sas_device *sas_device) | |
538 | { | |
539 | unsigned long flags; | |
540 | ||
541 | dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle" | |
542 | "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, | |
543 | sas_device->handle, (unsigned long long)sas_device->sas_address)); | |
544 | ||
545 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
546 | list_add_tail(&sas_device->list, &ioc->sas_device_init_list); | |
547 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
548 | _scsih_determine_boot_device(ioc, sas_device, 0); | |
549 | } | |
550 | ||
551 | /** | |
552 | * mpt2sas_scsih_expander_find_by_handle - expander device search | |
553 | * @ioc: per adapter object | |
554 | * @handle: expander handle (assigned by firmware) | |
555 | * Context: Calling function should acquire ioc->sas_device_lock | |
556 | * | |
557 | * This searches for expander device based on handle, then returns the | |
558 | * sas_node object. | |
559 | */ | |
560 | struct _sas_node * | |
561 | mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
562 | { | |
563 | struct _sas_node *sas_expander, *r; | |
564 | ||
565 | r = NULL; | |
566 | list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { | |
567 | if (sas_expander->handle != handle) | |
568 | continue; | |
569 | r = sas_expander; | |
570 | goto out; | |
571 | } | |
572 | out: | |
573 | return r; | |
574 | } | |
575 | ||
576 | /** | |
577 | * _scsih_raid_device_find_by_id - raid device search | |
578 | * @ioc: per adapter object | |
579 | * @id: sas device target id | |
580 | * @channel: sas device channel | |
581 | * Context: Calling function should acquire ioc->raid_device_lock | |
582 | * | |
583 | * This searches for raid_device based on target id, then return raid_device | |
584 | * object. | |
585 | */ | |
586 | static struct _raid_device * | |
587 | _scsih_raid_device_find_by_id(struct MPT2SAS_ADAPTER *ioc, int id, int channel) | |
588 | { | |
589 | struct _raid_device *raid_device, *r; | |
590 | ||
591 | r = NULL; | |
592 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { | |
593 | if (raid_device->id == id && raid_device->channel == channel) { | |
594 | r = raid_device; | |
595 | goto out; | |
596 | } | |
597 | } | |
598 | ||
599 | out: | |
600 | return r; | |
601 | } | |
602 | ||
603 | /** | |
604 | * _scsih_raid_device_find_by_handle - raid device search | |
605 | * @ioc: per adapter object | |
606 | * @handle: sas device handle (assigned by firmware) | |
607 | * Context: Calling function should acquire ioc->raid_device_lock | |
608 | * | |
609 | * This searches for raid_device based on handle, then return raid_device | |
610 | * object. | |
611 | */ | |
612 | static struct _raid_device * | |
613 | _scsih_raid_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
614 | { | |
615 | struct _raid_device *raid_device, *r; | |
616 | ||
617 | r = NULL; | |
618 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { | |
619 | if (raid_device->handle != handle) | |
620 | continue; | |
621 | r = raid_device; | |
622 | goto out; | |
623 | } | |
624 | ||
625 | out: | |
626 | return r; | |
627 | } | |
628 | ||
629 | /** | |
630 | * _scsih_raid_device_find_by_wwid - raid device search | |
631 | * @ioc: per adapter object | |
632 | * @handle: sas device handle (assigned by firmware) | |
633 | * Context: Calling function should acquire ioc->raid_device_lock | |
634 | * | |
635 | * This searches for raid_device based on wwid, then return raid_device | |
636 | * object. | |
637 | */ | |
638 | static struct _raid_device * | |
639 | _scsih_raid_device_find_by_wwid(struct MPT2SAS_ADAPTER *ioc, u64 wwid) | |
640 | { | |
641 | struct _raid_device *raid_device, *r; | |
642 | ||
643 | r = NULL; | |
644 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { | |
645 | if (raid_device->wwid != wwid) | |
646 | continue; | |
647 | r = raid_device; | |
648 | goto out; | |
649 | } | |
650 | ||
651 | out: | |
652 | return r; | |
653 | } | |
654 | ||
655 | /** | |
656 | * _scsih_raid_device_add - add raid_device object | |
657 | * @ioc: per adapter object | |
658 | * @raid_device: raid_device object | |
659 | * | |
660 | * This is added to the raid_device_list link list. | |
661 | */ | |
662 | static void | |
663 | _scsih_raid_device_add(struct MPT2SAS_ADAPTER *ioc, | |
664 | struct _raid_device *raid_device) | |
665 | { | |
666 | unsigned long flags; | |
667 | ||
668 | dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle" | |
669 | "(0x%04x), wwid(0x%016llx)\n", ioc->name, __func__, | |
670 | raid_device->handle, (unsigned long long)raid_device->wwid)); | |
671 | ||
672 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
673 | list_add_tail(&raid_device->list, &ioc->raid_device_list); | |
674 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
675 | } | |
676 | ||
677 | /** | |
678 | * _scsih_raid_device_remove - delete raid_device object | |
679 | * @ioc: per adapter object | |
680 | * @raid_device: raid_device object | |
681 | * | |
682 | * This is removed from the raid_device_list link list. | |
683 | */ | |
684 | static void | |
685 | _scsih_raid_device_remove(struct MPT2SAS_ADAPTER *ioc, | |
686 | struct _raid_device *raid_device) | |
687 | { | |
688 | unsigned long flags; | |
689 | ||
690 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
691 | list_del(&raid_device->list); | |
692 | memset(raid_device, 0, sizeof(struct _raid_device)); | |
693 | kfree(raid_device); | |
694 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
695 | } | |
696 | ||
697 | /** | |
698 | * mpt2sas_scsih_expander_find_by_sas_address - expander device search | |
699 | * @ioc: per adapter object | |
700 | * @sas_address: sas address | |
701 | * Context: Calling function should acquire ioc->sas_node_lock. | |
702 | * | |
703 | * This searches for expander device based on sas_address, then returns the | |
704 | * sas_node object. | |
705 | */ | |
706 | struct _sas_node * | |
707 | mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc, | |
708 | u64 sas_address) | |
709 | { | |
710 | struct _sas_node *sas_expander, *r; | |
711 | ||
712 | r = NULL; | |
713 | list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { | |
714 | if (sas_expander->sas_address != sas_address) | |
715 | continue; | |
716 | r = sas_expander; | |
717 | goto out; | |
718 | } | |
719 | out: | |
720 | return r; | |
721 | } | |
722 | ||
723 | /** | |
724 | * _scsih_expander_node_add - insert expander device to the list. | |
725 | * @ioc: per adapter object | |
726 | * @sas_expander: the sas_device object | |
727 | * Context: This function will acquire ioc->sas_node_lock. | |
728 | * | |
729 | * Adding new object to the ioc->sas_expander_list. | |
730 | * | |
731 | * Return nothing. | |
732 | */ | |
733 | static void | |
734 | _scsih_expander_node_add(struct MPT2SAS_ADAPTER *ioc, | |
735 | struct _sas_node *sas_expander) | |
736 | { | |
737 | unsigned long flags; | |
738 | ||
739 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
740 | list_add_tail(&sas_expander->list, &ioc->sas_expander_list); | |
741 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
742 | } | |
743 | ||
744 | /** | |
745 | * _scsih_is_end_device - determines if device is an end device | |
746 | * @device_info: bitfield providing information about the device. | |
747 | * Context: none | |
748 | * | |
749 | * Returns 1 if end device. | |
750 | */ | |
751 | static int | |
752 | _scsih_is_end_device(u32 device_info) | |
753 | { | |
754 | if (device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE && | |
755 | ((device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) | | |
756 | (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) | | |
757 | (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE))) | |
758 | return 1; | |
759 | else | |
760 | return 0; | |
761 | } | |
762 | ||
763 | /** | |
764 | * _scsih_scsi_lookup_get - returns scmd entry | |
765 | * @ioc: per adapter object | |
766 | * @smid: system request message index | |
767 | * Context: This function will acquire ioc->scsi_lookup_lock. | |
768 | * | |
769 | * Returns the smid stored scmd pointer. | |
770 | */ | |
771 | static struct scsi_cmnd * | |
772 | _scsih_scsi_lookup_get(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
773 | { | |
774 | unsigned long flags; | |
775 | struct scsi_cmnd *scmd; | |
776 | ||
777 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
778 | scmd = ioc->scsi_lookup[smid - 1].scmd; | |
779 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
780 | return scmd; | |
781 | } | |
782 | ||
783 | /** | |
784 | * mptscsih_getclear_scsi_lookup - returns scmd entry | |
785 | * @ioc: per adapter object | |
786 | * @smid: system request message index | |
787 | * Context: This function will acquire ioc->scsi_lookup_lock. | |
788 | * | |
789 | * Returns the smid stored scmd pointer, as well as clearing the scmd pointer. | |
790 | */ | |
791 | static struct scsi_cmnd * | |
792 | _scsih_scsi_lookup_getclear(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
793 | { | |
794 | unsigned long flags; | |
795 | struct scsi_cmnd *scmd; | |
796 | ||
797 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
798 | scmd = ioc->scsi_lookup[smid - 1].scmd; | |
799 | ioc->scsi_lookup[smid - 1].scmd = NULL; | |
800 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
801 | return scmd; | |
802 | } | |
803 | ||
804 | /** | |
805 | * _scsih_scsi_lookup_set - updates scmd entry in lookup | |
806 | * @ioc: per adapter object | |
807 | * @smid: system request message index | |
808 | * @scmd: pointer to scsi command object | |
809 | * Context: This function will acquire ioc->scsi_lookup_lock. | |
810 | * | |
811 | * This will save scmd pointer in the scsi_lookup array. | |
812 | * | |
813 | * Return nothing. | |
814 | */ | |
815 | static void | |
816 | _scsih_scsi_lookup_set(struct MPT2SAS_ADAPTER *ioc, u16 smid, | |
817 | struct scsi_cmnd *scmd) | |
818 | { | |
819 | unsigned long flags; | |
820 | ||
821 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
822 | ioc->scsi_lookup[smid - 1].scmd = scmd; | |
823 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
824 | } | |
825 | ||
826 | /** | |
827 | * _scsih_scsi_lookup_find_by_scmd - scmd lookup | |
828 | * @ioc: per adapter object | |
829 | * @smid: system request message index | |
830 | * @scmd: pointer to scsi command object | |
831 | * Context: This function will acquire ioc->scsi_lookup_lock. | |
832 | * | |
833 | * This will search for a scmd pointer in the scsi_lookup array, | |
834 | * returning the revelent smid. A returned value of zero means invalid. | |
835 | */ | |
836 | static u16 | |
837 | _scsih_scsi_lookup_find_by_scmd(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd | |
838 | *scmd) | |
839 | { | |
840 | u16 smid; | |
841 | unsigned long flags; | |
842 | int i; | |
843 | ||
844 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
845 | smid = 0; | |
846 | for (i = 0; i < ioc->request_depth; i++) { | |
847 | if (ioc->scsi_lookup[i].scmd == scmd) { | |
848 | smid = i + 1; | |
849 | goto out; | |
850 | } | |
851 | } | |
852 | out: | |
853 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
854 | return smid; | |
855 | } | |
856 | ||
857 | /** | |
858 | * _scsih_scsi_lookup_find_by_target - search for matching channel:id | |
859 | * @ioc: per adapter object | |
860 | * @id: target id | |
861 | * @channel: channel | |
862 | * Context: This function will acquire ioc->scsi_lookup_lock. | |
863 | * | |
864 | * This will search for a matching channel:id in the scsi_lookup array, | |
865 | * returning 1 if found. | |
866 | */ | |
867 | static u8 | |
868 | _scsih_scsi_lookup_find_by_target(struct MPT2SAS_ADAPTER *ioc, int id, | |
869 | int channel) | |
870 | { | |
871 | u8 found; | |
872 | unsigned long flags; | |
873 | int i; | |
874 | ||
875 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
876 | found = 0; | |
877 | for (i = 0 ; i < ioc->request_depth; i++) { | |
878 | if (ioc->scsi_lookup[i].scmd && | |
879 | (ioc->scsi_lookup[i].scmd->device->id == id && | |
880 | ioc->scsi_lookup[i].scmd->device->channel == channel)) { | |
881 | found = 1; | |
882 | goto out; | |
883 | } | |
884 | } | |
885 | out: | |
886 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
887 | return found; | |
888 | } | |
889 | ||
890 | /** | |
891 | * _scsih_get_chain_buffer_dma - obtain block of chains (dma address) | |
892 | * @ioc: per adapter object | |
893 | * @smid: system request message index | |
894 | * | |
895 | * Returns phys pointer to chain buffer. | |
896 | */ | |
897 | static dma_addr_t | |
898 | _scsih_get_chain_buffer_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
899 | { | |
900 | return ioc->chain_dma + ((smid - 1) * (ioc->request_sz * | |
901 | ioc->chains_needed_per_io)); | |
902 | } | |
903 | ||
904 | /** | |
905 | * _scsih_get_chain_buffer - obtain block of chains assigned to a mf request | |
906 | * @ioc: per adapter object | |
907 | * @smid: system request message index | |
908 | * | |
909 | * Returns virt pointer to chain buffer. | |
910 | */ | |
911 | static void * | |
912 | _scsih_get_chain_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
913 | { | |
914 | return (void *)(ioc->chain + ((smid - 1) * (ioc->request_sz * | |
915 | ioc->chains_needed_per_io))); | |
916 | } | |
917 | ||
918 | /** | |
919 | * _scsih_build_scatter_gather - main sg creation routine | |
920 | * @ioc: per adapter object | |
921 | * @scmd: scsi command | |
922 | * @smid: system request message index | |
923 | * Context: none. | |
924 | * | |
925 | * The main routine that builds scatter gather table from a given | |
926 | * scsi request sent via the .queuecommand main handler. | |
927 | * | |
928 | * Returns 0 success, anything else error | |
929 | */ | |
930 | static int | |
931 | _scsih_build_scatter_gather(struct MPT2SAS_ADAPTER *ioc, | |
932 | struct scsi_cmnd *scmd, u16 smid) | |
933 | { | |
934 | Mpi2SCSIIORequest_t *mpi_request; | |
935 | dma_addr_t chain_dma; | |
936 | struct scatterlist *sg_scmd; | |
937 | void *sg_local, *chain; | |
938 | u32 chain_offset; | |
939 | u32 chain_length; | |
940 | u32 chain_flags; | |
941 | u32 sges_left; | |
942 | u32 sges_in_segment; | |
943 | u32 sgl_flags; | |
944 | u32 sgl_flags_last_element; | |
945 | u32 sgl_flags_end_buffer; | |
946 | ||
947 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
948 | ||
949 | /* init scatter gather flags */ | |
950 | sgl_flags = MPI2_SGE_FLAGS_SIMPLE_ELEMENT; | |
951 | if (scmd->sc_data_direction == DMA_TO_DEVICE) | |
952 | sgl_flags |= MPI2_SGE_FLAGS_HOST_TO_IOC; | |
953 | sgl_flags_last_element = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT) | |
954 | << MPI2_SGE_FLAGS_SHIFT; | |
955 | sgl_flags_end_buffer = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT | | |
956 | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST) | |
957 | << MPI2_SGE_FLAGS_SHIFT; | |
958 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
959 | ||
960 | sg_scmd = scsi_sglist(scmd); | |
961 | sges_left = scsi_dma_map(scmd); | |
962 | if (!sges_left) { | |
963 | sdev_printk(KERN_ERR, scmd->device, "pci_map_sg" | |
964 | " failed: request for %d bytes!\n", scsi_bufflen(scmd)); | |
965 | return -ENOMEM; | |
966 | } | |
967 | ||
968 | sg_local = &mpi_request->SGL; | |
969 | sges_in_segment = ioc->max_sges_in_main_message; | |
970 | if (sges_left <= sges_in_segment) | |
971 | goto fill_in_last_segment; | |
972 | ||
973 | mpi_request->ChainOffset = (offsetof(Mpi2SCSIIORequest_t, SGL) + | |
974 | (sges_in_segment * ioc->sge_size))/4; | |
975 | ||
976 | /* fill in main message segment when there is a chain following */ | |
977 | while (sges_in_segment) { | |
978 | if (sges_in_segment == 1) | |
979 | ioc->base_add_sg_single(sg_local, | |
980 | sgl_flags_last_element | sg_dma_len(sg_scmd), | |
981 | sg_dma_address(sg_scmd)); | |
982 | else | |
983 | ioc->base_add_sg_single(sg_local, sgl_flags | | |
984 | sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); | |
985 | sg_scmd = sg_next(sg_scmd); | |
986 | sg_local += ioc->sge_size; | |
987 | sges_left--; | |
988 | sges_in_segment--; | |
989 | } | |
990 | ||
991 | /* initializing the chain flags and pointers */ | |
992 | chain_flags = MPI2_SGE_FLAGS_CHAIN_ELEMENT << MPI2_SGE_FLAGS_SHIFT; | |
993 | chain = _scsih_get_chain_buffer(ioc, smid); | |
994 | chain_dma = _scsih_get_chain_buffer_dma(ioc, smid); | |
995 | do { | |
996 | sges_in_segment = (sges_left <= | |
997 | ioc->max_sges_in_chain_message) ? sges_left : | |
998 | ioc->max_sges_in_chain_message; | |
999 | chain_offset = (sges_left == sges_in_segment) ? | |
1000 | 0 : (sges_in_segment * ioc->sge_size)/4; | |
1001 | chain_length = sges_in_segment * ioc->sge_size; | |
1002 | if (chain_offset) { | |
1003 | chain_offset = chain_offset << | |
1004 | MPI2_SGE_CHAIN_OFFSET_SHIFT; | |
1005 | chain_length += ioc->sge_size; | |
1006 | } | |
1007 | ioc->base_add_sg_single(sg_local, chain_flags | chain_offset | | |
1008 | chain_length, chain_dma); | |
1009 | sg_local = chain; | |
1010 | if (!chain_offset) | |
1011 | goto fill_in_last_segment; | |
1012 | ||
1013 | /* fill in chain segments */ | |
1014 | while (sges_in_segment) { | |
1015 | if (sges_in_segment == 1) | |
1016 | ioc->base_add_sg_single(sg_local, | |
1017 | sgl_flags_last_element | | |
1018 | sg_dma_len(sg_scmd), | |
1019 | sg_dma_address(sg_scmd)); | |
1020 | else | |
1021 | ioc->base_add_sg_single(sg_local, sgl_flags | | |
1022 | sg_dma_len(sg_scmd), | |
1023 | sg_dma_address(sg_scmd)); | |
1024 | sg_scmd = sg_next(sg_scmd); | |
1025 | sg_local += ioc->sge_size; | |
1026 | sges_left--; | |
1027 | sges_in_segment--; | |
1028 | } | |
1029 | ||
1030 | chain_dma += ioc->request_sz; | |
1031 | chain += ioc->request_sz; | |
1032 | } while (1); | |
1033 | ||
1034 | ||
1035 | fill_in_last_segment: | |
1036 | ||
1037 | /* fill the last segment */ | |
1038 | while (sges_left) { | |
1039 | if (sges_left == 1) | |
1040 | ioc->base_add_sg_single(sg_local, sgl_flags_end_buffer | | |
1041 | sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); | |
1042 | else | |
1043 | ioc->base_add_sg_single(sg_local, sgl_flags | | |
1044 | sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); | |
1045 | sg_scmd = sg_next(sg_scmd); | |
1046 | sg_local += ioc->sge_size; | |
1047 | sges_left--; | |
1048 | } | |
1049 | ||
1050 | return 0; | |
1051 | } | |
1052 | ||
1053 | /** | |
1054 | * scsih_change_queue_depth - setting device queue depth | |
1055 | * @sdev: scsi device struct | |
1056 | * @qdepth: requested queue depth | |
1057 | * | |
1058 | * Returns queue depth. | |
1059 | */ | |
1060 | static int | |
1061 | scsih_change_queue_depth(struct scsi_device *sdev, int qdepth) | |
1062 | { | |
1063 | struct Scsi_Host *shost = sdev->host; | |
1064 | int max_depth; | |
1065 | int tag_type; | |
1066 | ||
1067 | max_depth = shost->can_queue; | |
1068 | if (!sdev->tagged_supported) | |
1069 | max_depth = 1; | |
1070 | if (qdepth > max_depth) | |
1071 | qdepth = max_depth; | |
1072 | tag_type = (qdepth == 1) ? 0 : MSG_SIMPLE_TAG; | |
1073 | scsi_adjust_queue_depth(sdev, tag_type, qdepth); | |
1074 | ||
1075 | if (sdev->inquiry_len > 7) | |
1076 | sdev_printk(KERN_INFO, sdev, "qdepth(%d), tagged(%d), " | |
1077 | "simple(%d), ordered(%d), scsi_level(%d), cmd_que(%d)\n", | |
1078 | sdev->queue_depth, sdev->tagged_supported, sdev->simple_tags, | |
1079 | sdev->ordered_tags, sdev->scsi_level, | |
1080 | (sdev->inquiry[7] & 2) >> 1); | |
1081 | ||
1082 | return sdev->queue_depth; | |
1083 | } | |
1084 | ||
1085 | /** | |
1086 | * scsih_change_queue_depth - changing device queue tag type | |
1087 | * @sdev: scsi device struct | |
1088 | * @tag_type: requested tag type | |
1089 | * | |
1090 | * Returns queue tag type. | |
1091 | */ | |
1092 | static int | |
1093 | scsih_change_queue_type(struct scsi_device *sdev, int tag_type) | |
1094 | { | |
1095 | if (sdev->tagged_supported) { | |
1096 | scsi_set_tag_type(sdev, tag_type); | |
1097 | if (tag_type) | |
1098 | scsi_activate_tcq(sdev, sdev->queue_depth); | |
1099 | else | |
1100 | scsi_deactivate_tcq(sdev, sdev->queue_depth); | |
1101 | } else | |
1102 | tag_type = 0; | |
1103 | ||
1104 | return tag_type; | |
1105 | } | |
1106 | ||
1107 | /** | |
1108 | * scsih_target_alloc - target add routine | |
1109 | * @starget: scsi target struct | |
1110 | * | |
1111 | * Returns 0 if ok. Any other return is assumed to be an error and | |
1112 | * the device is ignored. | |
1113 | */ | |
1114 | static int | |
1115 | scsih_target_alloc(struct scsi_target *starget) | |
1116 | { | |
1117 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
1118 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
1119 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
1120 | struct _sas_device *sas_device; | |
1121 | struct _raid_device *raid_device; | |
1122 | unsigned long flags; | |
1123 | struct sas_rphy *rphy; | |
1124 | ||
1125 | sas_target_priv_data = kzalloc(sizeof(struct scsi_target), GFP_KERNEL); | |
1126 | if (!sas_target_priv_data) | |
1127 | return -ENOMEM; | |
1128 | ||
1129 | starget->hostdata = sas_target_priv_data; | |
1130 | sas_target_priv_data->starget = starget; | |
1131 | sas_target_priv_data->handle = MPT2SAS_INVALID_DEVICE_HANDLE; | |
1132 | ||
1133 | /* RAID volumes */ | |
1134 | if (starget->channel == RAID_CHANNEL) { | |
1135 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1136 | raid_device = _scsih_raid_device_find_by_id(ioc, starget->id, | |
1137 | starget->channel); | |
1138 | if (raid_device) { | |
1139 | sas_target_priv_data->handle = raid_device->handle; | |
1140 | sas_target_priv_data->sas_address = raid_device->wwid; | |
1141 | sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME; | |
1142 | raid_device->starget = starget; | |
1143 | } | |
1144 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
1145 | return 0; | |
1146 | } | |
1147 | ||
1148 | /* sas/sata devices */ | |
1149 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
1150 | rphy = dev_to_rphy(starget->dev.parent); | |
1151 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
1152 | rphy->identify.sas_address); | |
1153 | ||
1154 | if (sas_device) { | |
1155 | sas_target_priv_data->handle = sas_device->handle; | |
1156 | sas_target_priv_data->sas_address = sas_device->sas_address; | |
1157 | sas_device->starget = starget; | |
1158 | sas_device->id = starget->id; | |
1159 | sas_device->channel = starget->channel; | |
1160 | if (sas_device->hidden_raid_component) | |
1161 | sas_target_priv_data->flags |= | |
1162 | MPT_TARGET_FLAGS_RAID_COMPONENT; | |
1163 | } | |
1164 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
1165 | ||
1166 | return 0; | |
1167 | } | |
1168 | ||
1169 | /** | |
1170 | * scsih_target_destroy - target destroy routine | |
1171 | * @starget: scsi target struct | |
1172 | * | |
1173 | * Returns nothing. | |
1174 | */ | |
1175 | static void | |
1176 | scsih_target_destroy(struct scsi_target *starget) | |
1177 | { | |
1178 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
1179 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
1180 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
1181 | struct _sas_device *sas_device; | |
1182 | struct _raid_device *raid_device; | |
1183 | unsigned long flags; | |
1184 | struct sas_rphy *rphy; | |
1185 | ||
1186 | sas_target_priv_data = starget->hostdata; | |
1187 | if (!sas_target_priv_data) | |
1188 | return; | |
1189 | ||
1190 | if (starget->channel == RAID_CHANNEL) { | |
1191 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1192 | raid_device = _scsih_raid_device_find_by_id(ioc, starget->id, | |
1193 | starget->channel); | |
1194 | if (raid_device) { | |
1195 | raid_device->starget = NULL; | |
1196 | raid_device->sdev = NULL; | |
1197 | } | |
1198 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
1199 | goto out; | |
1200 | } | |
1201 | ||
1202 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
1203 | rphy = dev_to_rphy(starget->dev.parent); | |
1204 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
1205 | rphy->identify.sas_address); | |
1206 | if (sas_device) | |
1207 | sas_device->starget = NULL; | |
1208 | ||
1209 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
1210 | ||
1211 | out: | |
1212 | kfree(sas_target_priv_data); | |
1213 | starget->hostdata = NULL; | |
1214 | } | |
1215 | ||
1216 | /** | |
1217 | * scsih_slave_alloc - device add routine | |
1218 | * @sdev: scsi device struct | |
1219 | * | |
1220 | * Returns 0 if ok. Any other return is assumed to be an error and | |
1221 | * the device is ignored. | |
1222 | */ | |
1223 | static int | |
1224 | scsih_slave_alloc(struct scsi_device *sdev) | |
1225 | { | |
1226 | struct Scsi_Host *shost; | |
1227 | struct MPT2SAS_ADAPTER *ioc; | |
1228 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
1229 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
1230 | struct scsi_target *starget; | |
1231 | struct _raid_device *raid_device; | |
1232 | struct _sas_device *sas_device; | |
1233 | unsigned long flags; | |
1234 | ||
1235 | sas_device_priv_data = kzalloc(sizeof(struct scsi_device), GFP_KERNEL); | |
1236 | if (!sas_device_priv_data) | |
1237 | return -ENOMEM; | |
1238 | ||
1239 | sas_device_priv_data->lun = sdev->lun; | |
1240 | sas_device_priv_data->flags = MPT_DEVICE_FLAGS_INIT; | |
1241 | ||
1242 | starget = scsi_target(sdev); | |
1243 | sas_target_priv_data = starget->hostdata; | |
1244 | sas_target_priv_data->num_luns++; | |
1245 | sas_device_priv_data->sas_target = sas_target_priv_data; | |
1246 | sdev->hostdata = sas_device_priv_data; | |
1247 | if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT)) | |
1248 | sdev->no_uld_attach = 1; | |
1249 | ||
1250 | shost = dev_to_shost(&starget->dev); | |
1251 | ioc = shost_priv(shost); | |
1252 | if (starget->channel == RAID_CHANNEL) { | |
1253 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1254 | raid_device = _scsih_raid_device_find_by_id(ioc, | |
1255 | starget->id, starget->channel); | |
1256 | if (raid_device) | |
1257 | raid_device->sdev = sdev; /* raid is single lun */ | |
1258 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
1259 | } else { | |
1260 | /* set TLR bit for SSP devices */ | |
1261 | if (!(ioc->facts.IOCCapabilities & | |
1262 | MPI2_IOCFACTS_CAPABILITY_TLR)) | |
1263 | goto out; | |
1264 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
1265 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
1266 | sas_device_priv_data->sas_target->sas_address); | |
1267 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
1268 | if (sas_device && sas_device->device_info & | |
1269 | MPI2_SAS_DEVICE_INFO_SSP_TARGET) | |
1270 | sas_device_priv_data->flags |= MPT_DEVICE_TLR_ON; | |
1271 | } | |
1272 | ||
1273 | out: | |
1274 | return 0; | |
1275 | } | |
1276 | ||
1277 | /** | |
1278 | * scsih_slave_destroy - device destroy routine | |
1279 | * @sdev: scsi device struct | |
1280 | * | |
1281 | * Returns nothing. | |
1282 | */ | |
1283 | static void | |
1284 | scsih_slave_destroy(struct scsi_device *sdev) | |
1285 | { | |
1286 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
1287 | struct scsi_target *starget; | |
1288 | ||
1289 | if (!sdev->hostdata) | |
1290 | return; | |
1291 | ||
1292 | starget = scsi_target(sdev); | |
1293 | sas_target_priv_data = starget->hostdata; | |
1294 | sas_target_priv_data->num_luns--; | |
1295 | kfree(sdev->hostdata); | |
1296 | sdev->hostdata = NULL; | |
1297 | } | |
1298 | ||
1299 | /** | |
1300 | * scsih_display_sata_capabilities - sata capabilities | |
1301 | * @ioc: per adapter object | |
1302 | * @sas_device: the sas_device object | |
1303 | * @sdev: scsi device struct | |
1304 | */ | |
1305 | static void | |
1306 | scsih_display_sata_capabilities(struct MPT2SAS_ADAPTER *ioc, | |
1307 | struct _sas_device *sas_device, struct scsi_device *sdev) | |
1308 | { | |
1309 | Mpi2ConfigReply_t mpi_reply; | |
1310 | Mpi2SasDevicePage0_t sas_device_pg0; | |
1311 | u32 ioc_status; | |
1312 | u16 flags; | |
1313 | u32 device_info; | |
1314 | ||
1315 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
1316 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, sas_device->handle))) { | |
1317 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1318 | ioc->name, __FILE__, __LINE__, __func__); | |
1319 | return; | |
1320 | } | |
1321 | ||
1322 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
1323 | MPI2_IOCSTATUS_MASK; | |
1324 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
1325 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1326 | ioc->name, __FILE__, __LINE__, __func__); | |
1327 | return; | |
1328 | } | |
1329 | ||
1330 | flags = le16_to_cpu(sas_device_pg0.Flags); | |
1331 | device_info = le16_to_cpu(sas_device_pg0.DeviceInfo); | |
1332 | ||
1333 | sdev_printk(KERN_INFO, sdev, | |
1334 | "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), " | |
1335 | "sw_preserve(%s)\n", | |
1336 | (device_info & MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? "y" : "n", | |
1337 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED) ? "y" : "n", | |
1338 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY) ? "y" : | |
1339 | "n", | |
1340 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED) ? "y" : "n", | |
1341 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED) ? "y" : "n", | |
1342 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE) ? "y" : "n"); | |
1343 | } | |
1344 | ||
1345 | /** | |
1346 | * _scsih_get_volume_capabilities - volume capabilities | |
1347 | * @ioc: per adapter object | |
1348 | * @sas_device: the raid_device object | |
1349 | */ | |
1350 | static void | |
1351 | _scsih_get_volume_capabilities(struct MPT2SAS_ADAPTER *ioc, | |
1352 | struct _raid_device *raid_device) | |
1353 | { | |
1354 | Mpi2RaidVolPage0_t *vol_pg0; | |
1355 | Mpi2RaidPhysDiskPage0_t pd_pg0; | |
1356 | Mpi2SasDevicePage0_t sas_device_pg0; | |
1357 | Mpi2ConfigReply_t mpi_reply; | |
1358 | u16 sz; | |
1359 | u8 num_pds; | |
1360 | ||
1361 | if ((mpt2sas_config_get_number_pds(ioc, raid_device->handle, | |
1362 | &num_pds)) || !num_pds) { | |
1363 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1364 | ioc->name, __FILE__, __LINE__, __func__); | |
1365 | return; | |
1366 | } | |
1367 | ||
1368 | raid_device->num_pds = num_pds; | |
1369 | sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds * | |
1370 | sizeof(Mpi2RaidVol0PhysDisk_t)); | |
1371 | vol_pg0 = kzalloc(sz, GFP_KERNEL); | |
1372 | if (!vol_pg0) { | |
1373 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1374 | ioc->name, __FILE__, __LINE__, __func__); | |
1375 | return; | |
1376 | } | |
1377 | ||
1378 | if ((mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0, | |
1379 | MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) { | |
1380 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1381 | ioc->name, __FILE__, __LINE__, __func__); | |
1382 | kfree(vol_pg0); | |
1383 | return; | |
1384 | } | |
1385 | ||
1386 | raid_device->volume_type = vol_pg0->VolumeType; | |
1387 | ||
1388 | /* figure out what the underlying devices are by | |
1389 | * obtaining the device_info bits for the 1st device | |
1390 | */ | |
1391 | if (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply, | |
1392 | &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM, | |
1393 | vol_pg0->PhysDisk[0].PhysDiskNum))) { | |
1394 | if (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, | |
1395 | &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, | |
1396 | le16_to_cpu(pd_pg0.DevHandle)))) { | |
1397 | raid_device->device_info = | |
1398 | le32_to_cpu(sas_device_pg0.DeviceInfo); | |
1399 | } | |
1400 | } | |
1401 | ||
1402 | kfree(vol_pg0); | |
1403 | } | |
1404 | ||
1405 | /** | |
1406 | * scsih_slave_configure - device configure routine. | |
1407 | * @sdev: scsi device struct | |
1408 | * | |
1409 | * Returns 0 if ok. Any other return is assumed to be an error and | |
1410 | * the device is ignored. | |
1411 | */ | |
1412 | static int | |
1413 | scsih_slave_configure(struct scsi_device *sdev) | |
1414 | { | |
1415 | struct Scsi_Host *shost = sdev->host; | |
1416 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
1417 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
1418 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
1419 | struct _sas_device *sas_device; | |
1420 | struct _raid_device *raid_device; | |
1421 | unsigned long flags; | |
1422 | int qdepth; | |
1423 | u8 ssp_target = 0; | |
1424 | char *ds = ""; | |
1425 | char *r_level = ""; | |
1426 | ||
1427 | qdepth = 1; | |
1428 | sas_device_priv_data = sdev->hostdata; | |
1429 | sas_device_priv_data->configured_lun = 1; | |
1430 | sas_device_priv_data->flags &= ~MPT_DEVICE_FLAGS_INIT; | |
1431 | sas_target_priv_data = sas_device_priv_data->sas_target; | |
1432 | ||
1433 | /* raid volume handling */ | |
1434 | if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME) { | |
1435 | ||
1436 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1437 | raid_device = _scsih_raid_device_find_by_handle(ioc, | |
1438 | sas_target_priv_data->handle); | |
1439 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
1440 | if (!raid_device) { | |
1441 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1442 | ioc->name, __FILE__, __LINE__, __func__); | |
1443 | return 0; | |
1444 | } | |
1445 | ||
1446 | _scsih_get_volume_capabilities(ioc, raid_device); | |
1447 | ||
1448 | /* RAID Queue Depth Support | |
1449 | * IS volume = underlying qdepth of drive type, either | |
1450 | * MPT2SAS_SAS_QUEUE_DEPTH or MPT2SAS_SATA_QUEUE_DEPTH | |
1451 | * IM/IME/R10 = 128 (MPT2SAS_RAID_QUEUE_DEPTH) | |
1452 | */ | |
1453 | if (raid_device->device_info & | |
1454 | MPI2_SAS_DEVICE_INFO_SSP_TARGET) { | |
1455 | qdepth = MPT2SAS_SAS_QUEUE_DEPTH; | |
1456 | ds = "SSP"; | |
1457 | } else { | |
1458 | qdepth = MPT2SAS_SATA_QUEUE_DEPTH; | |
1459 | if (raid_device->device_info & | |
1460 | MPI2_SAS_DEVICE_INFO_SATA_DEVICE) | |
1461 | ds = "SATA"; | |
1462 | else | |
1463 | ds = "STP"; | |
1464 | } | |
1465 | ||
1466 | switch (raid_device->volume_type) { | |
1467 | case MPI2_RAID_VOL_TYPE_RAID0: | |
1468 | r_level = "RAID0"; | |
1469 | break; | |
1470 | case MPI2_RAID_VOL_TYPE_RAID1E: | |
1471 | qdepth = MPT2SAS_RAID_QUEUE_DEPTH; | |
1472 | r_level = "RAID1E"; | |
1473 | break; | |
1474 | case MPI2_RAID_VOL_TYPE_RAID1: | |
1475 | qdepth = MPT2SAS_RAID_QUEUE_DEPTH; | |
1476 | r_level = "RAID1"; | |
1477 | break; | |
1478 | case MPI2_RAID_VOL_TYPE_RAID10: | |
1479 | qdepth = MPT2SAS_RAID_QUEUE_DEPTH; | |
1480 | r_level = "RAID10"; | |
1481 | break; | |
1482 | case MPI2_RAID_VOL_TYPE_UNKNOWN: | |
1483 | default: | |
1484 | qdepth = MPT2SAS_RAID_QUEUE_DEPTH; | |
1485 | r_level = "RAIDX"; | |
1486 | break; | |
1487 | } | |
1488 | ||
1489 | sdev_printk(KERN_INFO, sdev, "%s: " | |
1490 | "handle(0x%04x), wwid(0x%016llx), pd_count(%d), type(%s)\n", | |
1491 | r_level, raid_device->handle, | |
1492 | (unsigned long long)raid_device->wwid, | |
1493 | raid_device->num_pds, ds); | |
1494 | scsih_change_queue_depth(sdev, qdepth); | |
1495 | return 0; | |
1496 | } | |
1497 | ||
1498 | /* non-raid handling */ | |
1499 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
1500 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
1501 | sas_device_priv_data->sas_target->sas_address); | |
1502 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
1503 | if (sas_device) { | |
1504 | if (sas_target_priv_data->flags & | |
1505 | MPT_TARGET_FLAGS_RAID_COMPONENT) { | |
1506 | mpt2sas_config_get_volume_handle(ioc, | |
1507 | sas_device->handle, &sas_device->volume_handle); | |
1508 | mpt2sas_config_get_volume_wwid(ioc, | |
1509 | sas_device->volume_handle, | |
1510 | &sas_device->volume_wwid); | |
1511 | } | |
1512 | if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) { | |
1513 | qdepth = MPT2SAS_SAS_QUEUE_DEPTH; | |
1514 | ssp_target = 1; | |
1515 | ds = "SSP"; | |
1516 | } else { | |
1517 | qdepth = MPT2SAS_SATA_QUEUE_DEPTH; | |
1518 | if (sas_device->device_info & | |
1519 | MPI2_SAS_DEVICE_INFO_STP_TARGET) | |
1520 | ds = "STP"; | |
1521 | else if (sas_device->device_info & | |
1522 | MPI2_SAS_DEVICE_INFO_SATA_DEVICE) | |
1523 | ds = "SATA"; | |
1524 | } | |
1525 | ||
1526 | sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), " | |
1527 | "sas_addr(0x%016llx), device_name(0x%016llx)\n", | |
1528 | ds, sas_device->handle, | |
1529 | (unsigned long long)sas_device->sas_address, | |
1530 | (unsigned long long)sas_device->device_name); | |
1531 | sdev_printk(KERN_INFO, sdev, "%s: " | |
1532 | "enclosure_logical_id(0x%016llx), slot(%d)\n", ds, | |
1533 | (unsigned long long) sas_device->enclosure_logical_id, | |
1534 | sas_device->slot); | |
1535 | ||
1536 | if (!ssp_target) | |
1537 | scsih_display_sata_capabilities(ioc, sas_device, sdev); | |
1538 | } | |
1539 | ||
1540 | scsih_change_queue_depth(sdev, qdepth); | |
1541 | ||
1542 | if (ssp_target) | |
1543 | sas_read_port_mode_page(sdev); | |
1544 | return 0; | |
1545 | } | |
1546 | ||
1547 | /** | |
1548 | * scsih_bios_param - fetch head, sector, cylinder info for a disk | |
1549 | * @sdev: scsi device struct | |
1550 | * @bdev: pointer to block device context | |
1551 | * @capacity: device size (in 512 byte sectors) | |
1552 | * @params: three element array to place output: | |
1553 | * params[0] number of heads (max 255) | |
1554 | * params[1] number of sectors (max 63) | |
1555 | * params[2] number of cylinders | |
1556 | * | |
1557 | * Return nothing. | |
1558 | */ | |
1559 | static int | |
1560 | scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev, | |
1561 | sector_t capacity, int params[]) | |
1562 | { | |
1563 | int heads; | |
1564 | int sectors; | |
1565 | sector_t cylinders; | |
1566 | ulong dummy; | |
1567 | ||
1568 | heads = 64; | |
1569 | sectors = 32; | |
1570 | ||
1571 | dummy = heads * sectors; | |
1572 | cylinders = capacity; | |
1573 | sector_div(cylinders, dummy); | |
1574 | ||
1575 | /* | |
1576 | * Handle extended translation size for logical drives | |
1577 | * > 1Gb | |
1578 | */ | |
1579 | if ((ulong)capacity >= 0x200000) { | |
1580 | heads = 255; | |
1581 | sectors = 63; | |
1582 | dummy = heads * sectors; | |
1583 | cylinders = capacity; | |
1584 | sector_div(cylinders, dummy); | |
1585 | } | |
1586 | ||
1587 | /* return result */ | |
1588 | params[0] = heads; | |
1589 | params[1] = sectors; | |
1590 | params[2] = cylinders; | |
1591 | ||
1592 | return 0; | |
1593 | } | |
1594 | ||
1595 | /** | |
1596 | * _scsih_response_code - translation of device response code | |
1597 | * @ioc: per adapter object | |
1598 | * @response_code: response code returned by the device | |
1599 | * | |
1600 | * Return nothing. | |
1601 | */ | |
1602 | static void | |
1603 | _scsih_response_code(struct MPT2SAS_ADAPTER *ioc, u8 response_code) | |
1604 | { | |
1605 | char *desc; | |
1606 | ||
1607 | switch (response_code) { | |
1608 | case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE: | |
1609 | desc = "task management request completed"; | |
1610 | break; | |
1611 | case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME: | |
1612 | desc = "invalid frame"; | |
1613 | break; | |
1614 | case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED: | |
1615 | desc = "task management request not supported"; | |
1616 | break; | |
1617 | case MPI2_SCSITASKMGMT_RSP_TM_FAILED: | |
1618 | desc = "task management request failed"; | |
1619 | break; | |
1620 | case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED: | |
1621 | desc = "task management request succeeded"; | |
1622 | break; | |
1623 | case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN: | |
1624 | desc = "invalid lun"; | |
1625 | break; | |
1626 | case 0xA: | |
1627 | desc = "overlapped tag attempted"; | |
1628 | break; | |
1629 | case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC: | |
1630 | desc = "task queued, however not sent to target"; | |
1631 | break; | |
1632 | default: | |
1633 | desc = "unknown"; | |
1634 | break; | |
1635 | } | |
1636 | printk(MPT2SAS_WARN_FMT "response_code(0x%01x): %s\n", | |
1637 | ioc->name, response_code, desc); | |
1638 | } | |
1639 | ||
1640 | /** | |
1641 | * scsih_tm_done - tm completion routine | |
1642 | * @ioc: per adapter object | |
1643 | * @smid: system request message index | |
1644 | * @VF_ID: virtual function id | |
1645 | * @reply: reply message frame(lower 32bit addr) | |
1646 | * Context: none. | |
1647 | * | |
1648 | * The callback handler when using scsih_issue_tm. | |
1649 | * | |
1650 | * Return nothing. | |
1651 | */ | |
1652 | static void | |
1653 | scsih_tm_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply) | |
1654 | { | |
1655 | MPI2DefaultReply_t *mpi_reply; | |
1656 | ||
1657 | if (ioc->tm_cmds.status == MPT2_CMD_NOT_USED) | |
1658 | return; | |
1659 | if (ioc->tm_cmds.smid != smid) | |
1660 | return; | |
1661 | ioc->tm_cmds.status |= MPT2_CMD_COMPLETE; | |
1662 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
1663 | if (mpi_reply) { | |
1664 | memcpy(ioc->tm_cmds.reply, mpi_reply, mpi_reply->MsgLength*4); | |
1665 | ioc->tm_cmds.status |= MPT2_CMD_REPLY_VALID; | |
1666 | } | |
1667 | ioc->tm_cmds.status &= ~MPT2_CMD_PENDING; | |
1668 | complete(&ioc->tm_cmds.done); | |
1669 | } | |
1670 | ||
1671 | /** | |
1672 | * mpt2sas_scsih_set_tm_flag - set per target tm_busy | |
1673 | * @ioc: per adapter object | |
1674 | * @handle: device handle | |
1675 | * | |
1676 | * During taskmangement request, we need to freeze the device queue. | |
1677 | */ | |
1678 | void | |
1679 | mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
1680 | { | |
1681 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
1682 | struct scsi_device *sdev; | |
1683 | u8 skip = 0; | |
1684 | ||
1685 | shost_for_each_device(sdev, ioc->shost) { | |
1686 | if (skip) | |
1687 | continue; | |
1688 | sas_device_priv_data = sdev->hostdata; | |
1689 | if (!sas_device_priv_data) | |
1690 | continue; | |
1691 | if (sas_device_priv_data->sas_target->handle == handle) { | |
1692 | sas_device_priv_data->sas_target->tm_busy = 1; | |
1693 | skip = 1; | |
1694 | ioc->ignore_loginfos = 1; | |
1695 | } | |
1696 | } | |
1697 | } | |
1698 | ||
1699 | /** | |
1700 | * mpt2sas_scsih_clear_tm_flag - clear per target tm_busy | |
1701 | * @ioc: per adapter object | |
1702 | * @handle: device handle | |
1703 | * | |
1704 | * During taskmangement request, we need to freeze the device queue. | |
1705 | */ | |
1706 | void | |
1707 | mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
1708 | { | |
1709 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
1710 | struct scsi_device *sdev; | |
1711 | u8 skip = 0; | |
1712 | ||
1713 | shost_for_each_device(sdev, ioc->shost) { | |
1714 | if (skip) | |
1715 | continue; | |
1716 | sas_device_priv_data = sdev->hostdata; | |
1717 | if (!sas_device_priv_data) | |
1718 | continue; | |
1719 | if (sas_device_priv_data->sas_target->handle == handle) { | |
1720 | sas_device_priv_data->sas_target->tm_busy = 0; | |
1721 | skip = 1; | |
1722 | ioc->ignore_loginfos = 0; | |
1723 | } | |
1724 | } | |
1725 | } | |
1726 | ||
1727 | /** | |
1728 | * mpt2sas_scsih_issue_tm - main routine for sending tm requests | |
1729 | * @ioc: per adapter struct | |
1730 | * @device_handle: device handle | |
1731 | * @lun: lun number | |
1732 | * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h) | |
1733 | * @smid_task: smid assigned to the task | |
1734 | * @timeout: timeout in seconds | |
1735 | * Context: The calling function needs to acquire the tm_cmds.mutex | |
1736 | * | |
1737 | * A generic API for sending task management requests to firmware. | |
1738 | * | |
1739 | * The ioc->tm_cmds.status flag should be MPT2_CMD_NOT_USED before calling | |
1740 | * this API. | |
1741 | * | |
1742 | * The callback index is set inside `ioc->tm_cb_idx`. | |
1743 | * | |
1744 | * Return nothing. | |
1745 | */ | |
1746 | void | |
1747 | mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun, | |
1748 | u8 type, u16 smid_task, ulong timeout) | |
1749 | { | |
1750 | Mpi2SCSITaskManagementRequest_t *mpi_request; | |
1751 | Mpi2SCSITaskManagementReply_t *mpi_reply; | |
1752 | u16 smid = 0; | |
1753 | u32 ioc_state; | |
1754 | unsigned long timeleft; | |
1755 | u8 VF_ID = 0; | |
1756 | unsigned long flags; | |
1757 | ||
1758 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
1759 | if (ioc->tm_cmds.status != MPT2_CMD_NOT_USED || | |
1760 | ioc->shost_recovery) { | |
1761 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
1762 | printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", | |
1763 | __func__, ioc->name); | |
1764 | return; | |
1765 | } | |
1766 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
1767 | ||
1768 | ioc_state = mpt2sas_base_get_iocstate(ioc, 0); | |
1769 | if (ioc_state & MPI2_DOORBELL_USED) { | |
1770 | dhsprintk(ioc, printk(MPT2SAS_DEBUG_FMT "unexpected doorbell " | |
1771 | "active!\n", ioc->name)); | |
1772 | goto issue_host_reset; | |
1773 | } | |
1774 | ||
1775 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { | |
1776 | mpt2sas_base_fault_info(ioc, ioc_state & | |
1777 | MPI2_DOORBELL_DATA_MASK); | |
1778 | goto issue_host_reset; | |
1779 | } | |
1780 | ||
1781 | smid = mpt2sas_base_get_smid(ioc, ioc->tm_cb_idx); | |
1782 | if (!smid) { | |
1783 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
1784 | ioc->name, __func__); | |
1785 | return; | |
1786 | } | |
1787 | ||
1788 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "sending tm: handle(0x%04x)," | |
1789 | " task_type(0x%02x), smid(%d)\n", ioc->name, handle, type, smid)); | |
1790 | ioc->tm_cmds.status = MPT2_CMD_PENDING; | |
1791 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
1792 | ioc->tm_cmds.smid = smid; | |
1793 | memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t)); | |
1794 | mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; | |
1795 | mpi_request->DevHandle = cpu_to_le16(handle); | |
1796 | mpi_request->TaskType = type; | |
1797 | mpi_request->TaskMID = cpu_to_le16(smid_task); | |
1798 | int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN); | |
1799 | mpt2sas_scsih_set_tm_flag(ioc, handle); | |
1800 | mpt2sas_base_put_smid_hi_priority(ioc, smid, VF_ID); | |
1801 | timeleft = wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ); | |
1802 | mpt2sas_scsih_clear_tm_flag(ioc, handle); | |
1803 | if (!(ioc->tm_cmds.status & MPT2_CMD_COMPLETE)) { | |
1804 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
1805 | ioc->name, __func__); | |
1806 | _debug_dump_mf(mpi_request, | |
1807 | sizeof(Mpi2SCSITaskManagementRequest_t)/4); | |
1808 | if (!(ioc->tm_cmds.status & MPT2_CMD_RESET)) | |
1809 | goto issue_host_reset; | |
1810 | } | |
1811 | ||
1812 | if (ioc->tm_cmds.status & MPT2_CMD_REPLY_VALID) { | |
1813 | mpi_reply = ioc->tm_cmds.reply; | |
1814 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "complete tm: " | |
1815 | "ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n", | |
1816 | ioc->name, le16_to_cpu(mpi_reply->IOCStatus), | |
1817 | le32_to_cpu(mpi_reply->IOCLogInfo), | |
1818 | le32_to_cpu(mpi_reply->TerminationCount))); | |
1819 | if (ioc->logging_level & MPT_DEBUG_TM) | |
1820 | _scsih_response_code(ioc, mpi_reply->ResponseCode); | |
1821 | } | |
1822 | return; | |
1823 | issue_host_reset: | |
1824 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, FORCE_BIG_HAMMER); | |
1825 | } | |
1826 | ||
1827 | /** | |
1828 | * scsih_abort - eh threads main abort routine | |
1829 | * @sdev: scsi device struct | |
1830 | * | |
1831 | * Returns SUCCESS if command aborted else FAILED | |
1832 | */ | |
1833 | static int | |
1834 | scsih_abort(struct scsi_cmnd *scmd) | |
1835 | { | |
1836 | struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); | |
1837 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
1838 | u16 smid; | |
1839 | u16 handle; | |
1840 | int r; | |
1841 | struct scsi_cmnd *scmd_lookup; | |
1842 | ||
1843 | printk(MPT2SAS_INFO_FMT "attempting task abort! scmd(%p)\n", | |
1844 | ioc->name, scmd); | |
1845 | scsi_print_command(scmd); | |
1846 | ||
1847 | sas_device_priv_data = scmd->device->hostdata; | |
1848 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { | |
1849 | printk(MPT2SAS_INFO_FMT "device been deleted! scmd(%p)\n", | |
1850 | ioc->name, scmd); | |
1851 | scmd->result = DID_NO_CONNECT << 16; | |
1852 | scmd->scsi_done(scmd); | |
1853 | r = SUCCESS; | |
1854 | goto out; | |
1855 | } | |
1856 | ||
1857 | /* search for the command */ | |
1858 | smid = _scsih_scsi_lookup_find_by_scmd(ioc, scmd); | |
1859 | if (!smid) { | |
1860 | scmd->result = DID_RESET << 16; | |
1861 | r = SUCCESS; | |
1862 | goto out; | |
1863 | } | |
1864 | ||
1865 | /* for hidden raid components and volumes this is not supported */ | |
1866 | if (sas_device_priv_data->sas_target->flags & | |
1867 | MPT_TARGET_FLAGS_RAID_COMPONENT || | |
1868 | sas_device_priv_data->sas_target->flags & MPT_TARGET_FLAGS_VOLUME) { | |
1869 | scmd->result = DID_RESET << 16; | |
1870 | r = FAILED; | |
1871 | goto out; | |
1872 | } | |
1873 | ||
1874 | mutex_lock(&ioc->tm_cmds.mutex); | |
1875 | handle = sas_device_priv_data->sas_target->handle; | |
1876 | mpt2sas_scsih_issue_tm(ioc, handle, sas_device_priv_data->lun, | |
1877 | MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30); | |
1878 | ||
1879 | /* sanity check - see whether command actually completed */ | |
1880 | scmd_lookup = _scsih_scsi_lookup_get(ioc, smid); | |
1881 | if (scmd_lookup && (scmd_lookup->serial_number == scmd->serial_number)) | |
1882 | r = FAILED; | |
1883 | else | |
1884 | r = SUCCESS; | |
1885 | ioc->tm_cmds.status = MPT2_CMD_NOT_USED; | |
1886 | mutex_unlock(&ioc->tm_cmds.mutex); | |
1887 | ||
1888 | out: | |
1889 | printk(MPT2SAS_INFO_FMT "task abort: %s scmd(%p)\n", | |
1890 | ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); | |
1891 | return r; | |
1892 | } | |
1893 | ||
1894 | ||
1895 | /** | |
1896 | * scsih_dev_reset - eh threads main device reset routine | |
1897 | * @sdev: scsi device struct | |
1898 | * | |
1899 | * Returns SUCCESS if command aborted else FAILED | |
1900 | */ | |
1901 | static int | |
1902 | scsih_dev_reset(struct scsi_cmnd *scmd) | |
1903 | { | |
1904 | struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); | |
1905 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
1906 | struct _sas_device *sas_device; | |
1907 | unsigned long flags; | |
1908 | u16 handle; | |
1909 | int r; | |
1910 | ||
1911 | printk(MPT2SAS_INFO_FMT "attempting target reset! scmd(%p)\n", | |
1912 | ioc->name, scmd); | |
1913 | scsi_print_command(scmd); | |
1914 | ||
1915 | sas_device_priv_data = scmd->device->hostdata; | |
1916 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { | |
1917 | printk(MPT2SAS_INFO_FMT "device been deleted! scmd(%p)\n", | |
1918 | ioc->name, scmd); | |
1919 | scmd->result = DID_NO_CONNECT << 16; | |
1920 | scmd->scsi_done(scmd); | |
1921 | r = SUCCESS; | |
1922 | goto out; | |
1923 | } | |
1924 | ||
1925 | /* for hidden raid components obtain the volume_handle */ | |
1926 | handle = 0; | |
1927 | if (sas_device_priv_data->sas_target->flags & | |
1928 | MPT_TARGET_FLAGS_RAID_COMPONENT) { | |
1929 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
1930 | sas_device = _scsih_sas_device_find_by_handle(ioc, | |
1931 | sas_device_priv_data->sas_target->handle); | |
1932 | if (sas_device) | |
1933 | handle = sas_device->volume_handle; | |
1934 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
1935 | } else | |
1936 | handle = sas_device_priv_data->sas_target->handle; | |
1937 | ||
1938 | if (!handle) { | |
1939 | scmd->result = DID_RESET << 16; | |
1940 | r = FAILED; | |
1941 | goto out; | |
1942 | } | |
1943 | ||
1944 | mutex_lock(&ioc->tm_cmds.mutex); | |
1945 | mpt2sas_scsih_issue_tm(ioc, handle, 0, | |
1946 | MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 30); | |
1947 | ||
1948 | /* | |
1949 | * sanity check see whether all commands to this target been | |
1950 | * completed | |
1951 | */ | |
1952 | if (_scsih_scsi_lookup_find_by_target(ioc, scmd->device->id, | |
1953 | scmd->device->channel)) | |
1954 | r = FAILED; | |
1955 | else | |
1956 | r = SUCCESS; | |
1957 | ioc->tm_cmds.status = MPT2_CMD_NOT_USED; | |
1958 | mutex_unlock(&ioc->tm_cmds.mutex); | |
1959 | ||
1960 | out: | |
1961 | printk(MPT2SAS_INFO_FMT "target reset: %s scmd(%p)\n", | |
1962 | ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); | |
1963 | return r; | |
1964 | } | |
1965 | ||
1966 | /** | |
1967 | * scsih_abort - eh threads main host reset routine | |
1968 | * @sdev: scsi device struct | |
1969 | * | |
1970 | * Returns SUCCESS if command aborted else FAILED | |
1971 | */ | |
1972 | static int | |
1973 | scsih_host_reset(struct scsi_cmnd *scmd) | |
1974 | { | |
1975 | struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); | |
1976 | int r, retval; | |
1977 | ||
1978 | printk(MPT2SAS_INFO_FMT "attempting host reset! scmd(%p)\n", | |
1979 | ioc->name, scmd); | |
1980 | scsi_print_command(scmd); | |
1981 | ||
1982 | retval = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
1983 | FORCE_BIG_HAMMER); | |
1984 | r = (retval < 0) ? FAILED : SUCCESS; | |
1985 | printk(MPT2SAS_INFO_FMT "host reset: %s scmd(%p)\n", | |
1986 | ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); | |
1987 | ||
1988 | return r; | |
1989 | } | |
1990 | ||
1991 | /** | |
1992 | * _scsih_fw_event_add - insert and queue up fw_event | |
1993 | * @ioc: per adapter object | |
1994 | * @fw_event: object describing the event | |
1995 | * Context: This function will acquire ioc->fw_event_lock. | |
1996 | * | |
1997 | * This adds the firmware event object into link list, then queues it up to | |
1998 | * be processed from user context. | |
1999 | * | |
2000 | * Return nothing. | |
2001 | */ | |
2002 | static void | |
2003 | _scsih_fw_event_add(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work *fw_event) | |
2004 | { | |
2005 | unsigned long flags; | |
2006 | ||
2007 | if (ioc->firmware_event_thread == NULL) | |
2008 | return; | |
2009 | ||
2010 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
2011 | list_add_tail(&fw_event->list, &ioc->fw_event_list); | |
2012 | INIT_DELAYED_WORK(&fw_event->work, _firmware_event_work); | |
2013 | queue_delayed_work(ioc->firmware_event_thread, &fw_event->work, 1); | |
2014 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
2015 | } | |
2016 | ||
2017 | /** | |
2018 | * _scsih_fw_event_free - delete fw_event | |
2019 | * @ioc: per adapter object | |
2020 | * @fw_event: object describing the event | |
2021 | * Context: This function will acquire ioc->fw_event_lock. | |
2022 | * | |
2023 | * This removes firmware event object from link list, frees associated memory. | |
2024 | * | |
2025 | * Return nothing. | |
2026 | */ | |
2027 | static void | |
2028 | _scsih_fw_event_free(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work | |
2029 | *fw_event) | |
2030 | { | |
2031 | unsigned long flags; | |
2032 | ||
2033 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
2034 | list_del(&fw_event->list); | |
2035 | kfree(fw_event->event_data); | |
2036 | kfree(fw_event); | |
2037 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
2038 | } | |
2039 | ||
2040 | /** | |
2041 | * _scsih_fw_event_add - requeue an event | |
2042 | * @ioc: per adapter object | |
2043 | * @fw_event: object describing the event | |
2044 | * Context: This function will acquire ioc->fw_event_lock. | |
2045 | * | |
2046 | * Return nothing. | |
2047 | */ | |
2048 | static void | |
2049 | _scsih_fw_event_requeue(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work | |
2050 | *fw_event, unsigned long delay) | |
2051 | { | |
2052 | unsigned long flags; | |
2053 | if (ioc->firmware_event_thread == NULL) | |
2054 | return; | |
2055 | ||
2056 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
2057 | queue_delayed_work(ioc->firmware_event_thread, &fw_event->work, delay); | |
2058 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
2059 | } | |
2060 | ||
2061 | /** | |
2062 | * _scsih_fw_event_off - turn flag off preventing event handling | |
2063 | * @ioc: per adapter object | |
2064 | * | |
2065 | * Used to prevent handling of firmware events during adapter reset | |
2066 | * driver unload. | |
2067 | * | |
2068 | * Return nothing. | |
2069 | */ | |
2070 | static void | |
2071 | _scsih_fw_event_off(struct MPT2SAS_ADAPTER *ioc) | |
2072 | { | |
2073 | unsigned long flags; | |
2074 | ||
2075 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
2076 | ioc->fw_events_off = 1; | |
2077 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
2078 | ||
2079 | } | |
2080 | ||
2081 | /** | |
2082 | * _scsih_fw_event_on - turn flag on allowing firmware event handling | |
2083 | * @ioc: per adapter object | |
2084 | * | |
2085 | * Returns nothing. | |
2086 | */ | |
2087 | static void | |
2088 | _scsih_fw_event_on(struct MPT2SAS_ADAPTER *ioc) | |
2089 | { | |
2090 | unsigned long flags; | |
2091 | ||
2092 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
2093 | ioc->fw_events_off = 0; | |
2094 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
2095 | } | |
2096 | ||
2097 | /** | |
2098 | * _scsih_ublock_io_device - set the device state to SDEV_RUNNING | |
2099 | * @ioc: per adapter object | |
2100 | * @handle: device handle | |
2101 | * | |
2102 | * During device pull we need to appropiately set the sdev state. | |
2103 | */ | |
2104 | static void | |
2105 | _scsih_ublock_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
2106 | { | |
2107 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
2108 | struct scsi_device *sdev; | |
2109 | ||
2110 | shost_for_each_device(sdev, ioc->shost) { | |
2111 | sas_device_priv_data = sdev->hostdata; | |
2112 | if (!sas_device_priv_data) | |
2113 | continue; | |
2114 | if (!sas_device_priv_data->block) | |
2115 | continue; | |
2116 | if (sas_device_priv_data->sas_target->handle == handle) { | |
2117 | dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, | |
2118 | MPT2SAS_INFO_FMT "SDEV_RUNNING: " | |
2119 | "handle(0x%04x)\n", ioc->name, handle)); | |
2120 | sas_device_priv_data->block = 0; | |
2121 | scsi_device_set_state(sdev, SDEV_RUNNING); | |
2122 | } | |
2123 | } | |
2124 | } | |
2125 | ||
2126 | /** | |
2127 | * _scsih_block_io_device - set the device state to SDEV_BLOCK | |
2128 | * @ioc: per adapter object | |
2129 | * @handle: device handle | |
2130 | * | |
2131 | * During device pull we need to appropiately set the sdev state. | |
2132 | */ | |
2133 | static void | |
2134 | _scsih_block_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
2135 | { | |
2136 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
2137 | struct scsi_device *sdev; | |
2138 | ||
2139 | shost_for_each_device(sdev, ioc->shost) { | |
2140 | sas_device_priv_data = sdev->hostdata; | |
2141 | if (!sas_device_priv_data) | |
2142 | continue; | |
2143 | if (sas_device_priv_data->block) | |
2144 | continue; | |
2145 | if (sas_device_priv_data->sas_target->handle == handle) { | |
2146 | dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, | |
2147 | MPT2SAS_INFO_FMT "SDEV_BLOCK: " | |
2148 | "handle(0x%04x)\n", ioc->name, handle)); | |
2149 | sas_device_priv_data->block = 1; | |
2150 | scsi_device_set_state(sdev, SDEV_BLOCK); | |
2151 | } | |
2152 | } | |
2153 | } | |
2154 | ||
2155 | /** | |
2156 | * _scsih_block_io_to_children_attached_to_ex | |
2157 | * @ioc: per adapter object | |
2158 | * @sas_expander: the sas_device object | |
2159 | * | |
2160 | * This routine set sdev state to SDEV_BLOCK for all devices | |
2161 | * attached to this expander. This function called when expander is | |
2162 | * pulled. | |
2163 | */ | |
2164 | static void | |
2165 | _scsih_block_io_to_children_attached_to_ex(struct MPT2SAS_ADAPTER *ioc, | |
2166 | struct _sas_node *sas_expander) | |
2167 | { | |
2168 | struct _sas_port *mpt2sas_port; | |
2169 | struct _sas_device *sas_device; | |
2170 | struct _sas_node *expander_sibling; | |
2171 | unsigned long flags; | |
2172 | ||
2173 | if (!sas_expander) | |
2174 | return; | |
2175 | ||
2176 | list_for_each_entry(mpt2sas_port, | |
2177 | &sas_expander->sas_port_list, port_list) { | |
2178 | if (mpt2sas_port->remote_identify.device_type == | |
2179 | SAS_END_DEVICE) { | |
2180 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
2181 | sas_device = | |
2182 | mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
2183 | mpt2sas_port->remote_identify.sas_address); | |
2184 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
2185 | if (!sas_device) | |
2186 | continue; | |
2187 | _scsih_block_io_device(ioc, sas_device->handle); | |
2188 | } | |
2189 | } | |
2190 | ||
2191 | list_for_each_entry(mpt2sas_port, | |
2192 | &sas_expander->sas_port_list, port_list) { | |
2193 | ||
2194 | if (mpt2sas_port->remote_identify.device_type == | |
2195 | MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER || | |
2196 | mpt2sas_port->remote_identify.device_type == | |
2197 | MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER) { | |
2198 | ||
2199 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
2200 | expander_sibling = | |
2201 | mpt2sas_scsih_expander_find_by_sas_address( | |
2202 | ioc, mpt2sas_port->remote_identify.sas_address); | |
2203 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
2204 | _scsih_block_io_to_children_attached_to_ex(ioc, | |
2205 | expander_sibling); | |
2206 | } | |
2207 | } | |
2208 | } | |
2209 | ||
2210 | /** | |
2211 | * _scsih_block_io_to_children_attached_directly | |
2212 | * @ioc: per adapter object | |
2213 | * @event_data: topology change event data | |
2214 | * | |
2215 | * This routine set sdev state to SDEV_BLOCK for all devices | |
2216 | * direct attached during device pull. | |
2217 | */ | |
2218 | static void | |
2219 | _scsih_block_io_to_children_attached_directly(struct MPT2SAS_ADAPTER *ioc, | |
2220 | Mpi2EventDataSasTopologyChangeList_t *event_data) | |
2221 | { | |
2222 | int i; | |
2223 | u16 handle; | |
2224 | u16 reason_code; | |
2225 | u8 phy_number; | |
2226 | ||
2227 | for (i = 0; i < event_data->NumEntries; i++) { | |
2228 | handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); | |
2229 | if (!handle) | |
2230 | continue; | |
2231 | phy_number = event_data->StartPhyNum + i; | |
2232 | reason_code = event_data->PHY[i].PhyStatus & | |
2233 | MPI2_EVENT_SAS_TOPO_RC_MASK; | |
2234 | if (reason_code == MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING) | |
2235 | _scsih_block_io_device(ioc, handle); | |
2236 | } | |
2237 | } | |
2238 | ||
2239 | /** | |
2240 | * _scsih_check_topo_delete_events - sanity check on topo events | |
2241 | * @ioc: per adapter object | |
2242 | * @event_data: the event data payload | |
2243 | * | |
2244 | * This routine added to better handle cable breaker. | |
2245 | * | |
2246 | * This handles the case where driver recieves multiple expander | |
2247 | * add and delete events in a single shot. When there is a delete event | |
2248 | * the routine will void any pending add events waiting in the event queue. | |
2249 | * | |
2250 | * Return nothing. | |
2251 | */ | |
2252 | static void | |
2253 | _scsih_check_topo_delete_events(struct MPT2SAS_ADAPTER *ioc, | |
2254 | Mpi2EventDataSasTopologyChangeList_t *event_data) | |
2255 | { | |
2256 | struct fw_event_work *fw_event; | |
2257 | Mpi2EventDataSasTopologyChangeList_t *local_event_data; | |
2258 | u16 expander_handle; | |
2259 | struct _sas_node *sas_expander; | |
2260 | unsigned long flags; | |
2261 | ||
2262 | expander_handle = le16_to_cpu(event_data->ExpanderDevHandle); | |
2263 | if (expander_handle < ioc->sas_hba.num_phys) { | |
2264 | _scsih_block_io_to_children_attached_directly(ioc, event_data); | |
2265 | return; | |
2266 | } | |
2267 | ||
2268 | if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING | |
2269 | || event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING) { | |
2270 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
2271 | sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc, | |
2272 | expander_handle); | |
2273 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
2274 | _scsih_block_io_to_children_attached_to_ex(ioc, sas_expander); | |
2275 | } else if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_RESPONDING) | |
2276 | _scsih_block_io_to_children_attached_directly(ioc, event_data); | |
2277 | ||
2278 | if (event_data->ExpStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING) | |
2279 | return; | |
2280 | ||
2281 | /* mark ignore flag for pending events */ | |
2282 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
2283 | list_for_each_entry(fw_event, &ioc->fw_event_list, list) { | |
2284 | if (fw_event->event != MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || | |
2285 | fw_event->ignore) | |
2286 | continue; | |
2287 | local_event_data = fw_event->event_data; | |
2288 | if (local_event_data->ExpStatus == | |
2289 | MPI2_EVENT_SAS_TOPO_ES_ADDED || | |
2290 | local_event_data->ExpStatus == | |
2291 | MPI2_EVENT_SAS_TOPO_ES_RESPONDING) { | |
2292 | if (le16_to_cpu(local_event_data->ExpanderDevHandle) == | |
2293 | expander_handle) { | |
2294 | dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT | |
2295 | "setting ignoring flag\n", ioc->name)); | |
2296 | fw_event->ignore = 1; | |
2297 | } | |
2298 | } | |
2299 | } | |
2300 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
2301 | } | |
2302 | ||
2303 | /** | |
2304 | * _scsih_queue_rescan - queue a topology rescan from user context | |
2305 | * @ioc: per adapter object | |
2306 | * | |
2307 | * Return nothing. | |
2308 | */ | |
2309 | static void | |
2310 | _scsih_queue_rescan(struct MPT2SAS_ADAPTER *ioc) | |
2311 | { | |
2312 | struct fw_event_work *fw_event; | |
2313 | ||
2314 | if (ioc->wait_for_port_enable_to_complete) | |
2315 | return; | |
2316 | fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC); | |
2317 | if (!fw_event) | |
2318 | return; | |
2319 | fw_event->event = MPT2SAS_RESCAN_AFTER_HOST_RESET; | |
2320 | fw_event->ioc = ioc; | |
2321 | _scsih_fw_event_add(ioc, fw_event); | |
2322 | } | |
2323 | ||
2324 | /** | |
2325 | * _scsih_flush_running_cmds - completing outstanding commands. | |
2326 | * @ioc: per adapter object | |
2327 | * | |
2328 | * The flushing out of all pending scmd commands following host reset, | |
2329 | * where all IO is dropped to the floor. | |
2330 | * | |
2331 | * Return nothing. | |
2332 | */ | |
2333 | static void | |
2334 | _scsih_flush_running_cmds(struct MPT2SAS_ADAPTER *ioc) | |
2335 | { | |
2336 | struct scsi_cmnd *scmd; | |
2337 | u16 smid; | |
2338 | u16 count = 0; | |
2339 | ||
2340 | for (smid = 1; smid <= ioc->request_depth; smid++) { | |
2341 | scmd = _scsih_scsi_lookup_getclear(ioc, smid); | |
2342 | if (!scmd) | |
2343 | continue; | |
2344 | count++; | |
2345 | mpt2sas_base_free_smid(ioc, smid); | |
2346 | scsi_dma_unmap(scmd); | |
2347 | scmd->result = DID_RESET << 16; | |
2348 | scmd->scsi_done(scmd); | |
2349 | } | |
2350 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "completing %d cmds\n", | |
2351 | ioc->name, count)); | |
2352 | } | |
2353 | ||
2354 | /** | |
2355 | * mpt2sas_scsih_reset_handler - reset callback handler (for scsih) | |
2356 | * @ioc: per adapter object | |
2357 | * @reset_phase: phase | |
2358 | * | |
2359 | * The handler for doing any required cleanup or initialization. | |
2360 | * | |
2361 | * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET, | |
2362 | * MPT2_IOC_DONE_RESET | |
2363 | * | |
2364 | * Return nothing. | |
2365 | */ | |
2366 | void | |
2367 | mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) | |
2368 | { | |
2369 | switch (reset_phase) { | |
2370 | case MPT2_IOC_PRE_RESET: | |
2371 | dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " | |
2372 | "MPT2_IOC_PRE_RESET\n", ioc->name, __func__)); | |
2373 | _scsih_fw_event_off(ioc); | |
2374 | break; | |
2375 | case MPT2_IOC_AFTER_RESET: | |
2376 | dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " | |
2377 | "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__)); | |
2378 | if (ioc->tm_cmds.status & MPT2_CMD_PENDING) { | |
2379 | ioc->tm_cmds.status |= MPT2_CMD_RESET; | |
2380 | mpt2sas_base_free_smid(ioc, ioc->tm_cmds.smid); | |
2381 | complete(&ioc->tm_cmds.done); | |
2382 | } | |
2383 | _scsih_fw_event_on(ioc); | |
2384 | _scsih_flush_running_cmds(ioc); | |
2385 | break; | |
2386 | case MPT2_IOC_DONE_RESET: | |
2387 | dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " | |
2388 | "MPT2_IOC_DONE_RESET\n", ioc->name, __func__)); | |
2389 | _scsih_queue_rescan(ioc); | |
2390 | break; | |
2391 | } | |
2392 | } | |
2393 | ||
2394 | /** | |
2395 | * scsih_qcmd - main scsi request entry point | |
2396 | * @scmd: pointer to scsi command object | |
2397 | * @done: function pointer to be invoked on completion | |
2398 | * | |
2399 | * The callback index is set inside `ioc->scsi_io_cb_idx`. | |
2400 | * | |
2401 | * Returns 0 on success. If there's a failure, return either: | |
2402 | * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or | |
2403 | * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full | |
2404 | */ | |
2405 | static int | |
2406 | scsih_qcmd(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *)) | |
2407 | { | |
2408 | struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); | |
2409 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
2410 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
2411 | Mpi2SCSIIORequest_t *mpi_request; | |
2412 | u32 mpi_control; | |
2413 | u16 smid; | |
2414 | unsigned long flags; | |
2415 | ||
2416 | scmd->scsi_done = done; | |
2417 | sas_device_priv_data = scmd->device->hostdata; | |
2418 | if (!sas_device_priv_data) { | |
2419 | scmd->result = DID_NO_CONNECT << 16; | |
2420 | scmd->scsi_done(scmd); | |
2421 | return 0; | |
2422 | } | |
2423 | ||
2424 | sas_target_priv_data = sas_device_priv_data->sas_target; | |
2425 | if (!sas_target_priv_data || sas_target_priv_data->handle == | |
2426 | MPT2SAS_INVALID_DEVICE_HANDLE || sas_target_priv_data->deleted) { | |
2427 | scmd->result = DID_NO_CONNECT << 16; | |
2428 | scmd->scsi_done(scmd); | |
2429 | return 0; | |
2430 | } | |
2431 | ||
2432 | /* see if we are busy with task managment stuff */ | |
2433 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
2434 | if (sas_target_priv_data->tm_busy || | |
2435 | ioc->shost_recovery || ioc->ioc_link_reset_in_progress) { | |
2436 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
2437 | return SCSI_MLQUEUE_HOST_BUSY; | |
2438 | } | |
2439 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
2440 | ||
2441 | if (scmd->sc_data_direction == DMA_FROM_DEVICE) | |
2442 | mpi_control = MPI2_SCSIIO_CONTROL_READ; | |
2443 | else if (scmd->sc_data_direction == DMA_TO_DEVICE) | |
2444 | mpi_control = MPI2_SCSIIO_CONTROL_WRITE; | |
2445 | else | |
2446 | mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER; | |
2447 | ||
2448 | /* set tags */ | |
2449 | if (!(sas_device_priv_data->flags & MPT_DEVICE_FLAGS_INIT)) { | |
2450 | if (scmd->device->tagged_supported) { | |
2451 | if (scmd->device->ordered_tags) | |
2452 | mpi_control |= MPI2_SCSIIO_CONTROL_ORDEREDQ; | |
2453 | else | |
2454 | mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ; | |
2455 | } else | |
2456 | /* MPI Revision I (UNIT = 0xA) - removed MPI2_SCSIIO_CONTROL_UNTAGGED */ | |
2457 | /* mpi_control |= MPI2_SCSIIO_CONTROL_UNTAGGED; | |
2458 | */ | |
2459 | mpi_control |= (0x500); | |
2460 | ||
2461 | } else | |
2462 | mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ; | |
2463 | ||
2464 | if ((sas_device_priv_data->flags & MPT_DEVICE_TLR_ON)) | |
2465 | mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON; | |
2466 | ||
2467 | smid = mpt2sas_base_get_smid(ioc, ioc->scsi_io_cb_idx); | |
2468 | if (!smid) { | |
2469 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
2470 | ioc->name, __func__); | |
2471 | goto out; | |
2472 | } | |
2473 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
2474 | memset(mpi_request, 0, sizeof(Mpi2SCSIIORequest_t)); | |
2475 | mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; | |
2476 | if (sas_device_priv_data->sas_target->flags & | |
2477 | MPT_TARGET_FLAGS_RAID_COMPONENT) | |
2478 | mpi_request->Function = MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; | |
2479 | else | |
2480 | mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; | |
2481 | mpi_request->DevHandle = | |
2482 | cpu_to_le16(sas_device_priv_data->sas_target->handle); | |
2483 | mpi_request->DataLength = cpu_to_le32(scsi_bufflen(scmd)); | |
2484 | mpi_request->Control = cpu_to_le32(mpi_control); | |
2485 | mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len); | |
2486 | mpi_request->MsgFlags = MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR; | |
2487 | mpi_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE; | |
2488 | mpi_request->SenseBufferLowAddress = | |
2489 | (u32)mpt2sas_base_get_sense_buffer_dma(ioc, smid); | |
2490 | mpi_request->SGLOffset0 = offsetof(Mpi2SCSIIORequest_t, SGL) / 4; | |
2491 | mpi_request->SGLFlags = cpu_to_le16(MPI2_SCSIIO_SGLFLAGS_TYPE_MPI + | |
2492 | MPI2_SCSIIO_SGLFLAGS_SYSTEM_ADDR); | |
2493 | ||
2494 | int_to_scsilun(sas_device_priv_data->lun, (struct scsi_lun *) | |
2495 | mpi_request->LUN); | |
2496 | memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len); | |
2497 | ||
2498 | if (!mpi_request->DataLength) { | |
2499 | mpt2sas_base_build_zero_len_sge(ioc, &mpi_request->SGL); | |
2500 | } else { | |
2501 | if (_scsih_build_scatter_gather(ioc, scmd, smid)) { | |
2502 | mpt2sas_base_free_smid(ioc, smid); | |
2503 | goto out; | |
2504 | } | |
2505 | } | |
2506 | ||
2507 | _scsih_scsi_lookup_set(ioc, smid, scmd); | |
2508 | mpt2sas_base_put_smid_scsi_io(ioc, smid, 0, | |
2509 | sas_device_priv_data->sas_target->handle); | |
2510 | return 0; | |
2511 | ||
2512 | out: | |
2513 | return SCSI_MLQUEUE_HOST_BUSY; | |
2514 | } | |
2515 | ||
2516 | /** | |
2517 | * _scsih_normalize_sense - normalize descriptor and fixed format sense data | |
2518 | * @sense_buffer: sense data returned by target | |
2519 | * @data: normalized skey/asc/ascq | |
2520 | * | |
2521 | * Return nothing. | |
2522 | */ | |
2523 | static void | |
2524 | _scsih_normalize_sense(char *sense_buffer, struct sense_info *data) | |
2525 | { | |
2526 | if ((sense_buffer[0] & 0x7F) >= 0x72) { | |
2527 | /* descriptor format */ | |
2528 | data->skey = sense_buffer[1] & 0x0F; | |
2529 | data->asc = sense_buffer[2]; | |
2530 | data->ascq = sense_buffer[3]; | |
2531 | } else { | |
2532 | /* fixed format */ | |
2533 | data->skey = sense_buffer[2] & 0x0F; | |
2534 | data->asc = sense_buffer[12]; | |
2535 | data->ascq = sense_buffer[13]; | |
2536 | } | |
2537 | } | |
2538 | ||
2539 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
2540 | /** | |
2541 | * _scsih_scsi_ioc_info - translated non-succesfull SCSI_IO request | |
2542 | * @ioc: per adapter object | |
2543 | * @scmd: pointer to scsi command object | |
2544 | * @mpi_reply: reply mf payload returned from firmware | |
2545 | * | |
2546 | * scsi_status - SCSI Status code returned from target device | |
2547 | * scsi_state - state info associated with SCSI_IO determined by ioc | |
2548 | * ioc_status - ioc supplied status info | |
2549 | * | |
2550 | * Return nothing. | |
2551 | */ | |
2552 | static void | |
2553 | _scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, | |
2554 | Mpi2SCSIIOReply_t *mpi_reply, u16 smid) | |
2555 | { | |
2556 | u32 response_info; | |
2557 | u8 *response_bytes; | |
2558 | u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & | |
2559 | MPI2_IOCSTATUS_MASK; | |
2560 | u8 scsi_state = mpi_reply->SCSIState; | |
2561 | u8 scsi_status = mpi_reply->SCSIStatus; | |
2562 | char *desc_ioc_state = NULL; | |
2563 | char *desc_scsi_status = NULL; | |
2564 | char *desc_scsi_state = ioc->tmp_string; | |
2565 | ||
2566 | switch (ioc_status) { | |
2567 | case MPI2_IOCSTATUS_SUCCESS: | |
2568 | desc_ioc_state = "success"; | |
2569 | break; | |
2570 | case MPI2_IOCSTATUS_INVALID_FUNCTION: | |
2571 | desc_ioc_state = "invalid function"; | |
2572 | break; | |
2573 | case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: | |
2574 | desc_ioc_state = "scsi recovered error"; | |
2575 | break; | |
2576 | case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE: | |
2577 | desc_ioc_state = "scsi invalid dev handle"; | |
2578 | break; | |
2579 | case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: | |
2580 | desc_ioc_state = "scsi device not there"; | |
2581 | break; | |
2582 | case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: | |
2583 | desc_ioc_state = "scsi data overrun"; | |
2584 | break; | |
2585 | case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: | |
2586 | desc_ioc_state = "scsi data underrun"; | |
2587 | break; | |
2588 | case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: | |
2589 | desc_ioc_state = "scsi io data error"; | |
2590 | break; | |
2591 | case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: | |
2592 | desc_ioc_state = "scsi protocol error"; | |
2593 | break; | |
2594 | case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: | |
2595 | desc_ioc_state = "scsi task terminated"; | |
2596 | break; | |
2597 | case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: | |
2598 | desc_ioc_state = "scsi residual mismatch"; | |
2599 | break; | |
2600 | case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: | |
2601 | desc_ioc_state = "scsi task mgmt failed"; | |
2602 | break; | |
2603 | case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: | |
2604 | desc_ioc_state = "scsi ioc terminated"; | |
2605 | break; | |
2606 | case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: | |
2607 | desc_ioc_state = "scsi ext terminated"; | |
2608 | break; | |
2609 | default: | |
2610 | desc_ioc_state = "unknown"; | |
2611 | break; | |
2612 | } | |
2613 | ||
2614 | switch (scsi_status) { | |
2615 | case MPI2_SCSI_STATUS_GOOD: | |
2616 | desc_scsi_status = "good"; | |
2617 | break; | |
2618 | case MPI2_SCSI_STATUS_CHECK_CONDITION: | |
2619 | desc_scsi_status = "check condition"; | |
2620 | break; | |
2621 | case MPI2_SCSI_STATUS_CONDITION_MET: | |
2622 | desc_scsi_status = "condition met"; | |
2623 | break; | |
2624 | case MPI2_SCSI_STATUS_BUSY: | |
2625 | desc_scsi_status = "busy"; | |
2626 | break; | |
2627 | case MPI2_SCSI_STATUS_INTERMEDIATE: | |
2628 | desc_scsi_status = "intermediate"; | |
2629 | break; | |
2630 | case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET: | |
2631 | desc_scsi_status = "intermediate condmet"; | |
2632 | break; | |
2633 | case MPI2_SCSI_STATUS_RESERVATION_CONFLICT: | |
2634 | desc_scsi_status = "reservation conflict"; | |
2635 | break; | |
2636 | case MPI2_SCSI_STATUS_COMMAND_TERMINATED: | |
2637 | desc_scsi_status = "command terminated"; | |
2638 | break; | |
2639 | case MPI2_SCSI_STATUS_TASK_SET_FULL: | |
2640 | desc_scsi_status = "task set full"; | |
2641 | break; | |
2642 | case MPI2_SCSI_STATUS_ACA_ACTIVE: | |
2643 | desc_scsi_status = "aca active"; | |
2644 | break; | |
2645 | case MPI2_SCSI_STATUS_TASK_ABORTED: | |
2646 | desc_scsi_status = "task aborted"; | |
2647 | break; | |
2648 | default: | |
2649 | desc_scsi_status = "unknown"; | |
2650 | break; | |
2651 | } | |
2652 | ||
2653 | desc_scsi_state[0] = '\0'; | |
2654 | if (!scsi_state) | |
2655 | desc_scsi_state = " "; | |
2656 | if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) | |
2657 | strcat(desc_scsi_state, "response info "); | |
2658 | if (scsi_state & MPI2_SCSI_STATE_TERMINATED) | |
2659 | strcat(desc_scsi_state, "state terminated "); | |
2660 | if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS) | |
2661 | strcat(desc_scsi_state, "no status "); | |
2662 | if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED) | |
2663 | strcat(desc_scsi_state, "autosense failed "); | |
2664 | if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) | |
2665 | strcat(desc_scsi_state, "autosense valid "); | |
2666 | ||
2667 | scsi_print_command(scmd); | |
2668 | printk(MPT2SAS_WARN_FMT "\tdev handle(0x%04x), " | |
2669 | "ioc_status(%s)(0x%04x), smid(%d)\n", ioc->name, | |
2670 | le16_to_cpu(mpi_reply->DevHandle), desc_ioc_state, | |
2671 | ioc_status, smid); | |
2672 | printk(MPT2SAS_WARN_FMT "\trequest_len(%d), underflow(%d), " | |
2673 | "resid(%d)\n", ioc->name, scsi_bufflen(scmd), scmd->underflow, | |
2674 | scsi_get_resid(scmd)); | |
2675 | printk(MPT2SAS_WARN_FMT "\ttag(%d), transfer_count(%d), " | |
2676 | "sc->result(0x%08x)\n", ioc->name, le16_to_cpu(mpi_reply->TaskTag), | |
2677 | le32_to_cpu(mpi_reply->TransferCount), scmd->result); | |
2678 | printk(MPT2SAS_WARN_FMT "\tscsi_status(%s)(0x%02x), " | |
2679 | "scsi_state(%s)(0x%02x)\n", ioc->name, desc_scsi_status, | |
2680 | scsi_status, desc_scsi_state, scsi_state); | |
2681 | ||
2682 | if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) { | |
2683 | struct sense_info data; | |
2684 | _scsih_normalize_sense(scmd->sense_buffer, &data); | |
2685 | printk(MPT2SAS_WARN_FMT "\t[sense_key,asc,ascq]: " | |
2686 | "[0x%02x,0x%02x,0x%02x]\n", ioc->name, data.skey, | |
2687 | data.asc, data.ascq); | |
2688 | } | |
2689 | ||
2690 | if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) { | |
2691 | response_info = le32_to_cpu(mpi_reply->ResponseInfo); | |
2692 | response_bytes = (u8 *)&response_info; | |
2693 | _scsih_response_code(ioc, response_bytes[3]); | |
2694 | } | |
2695 | } | |
2696 | #endif | |
2697 | ||
2698 | /** | |
2699 | * _scsih_smart_predicted_fault - illuminate Fault LED | |
2700 | * @ioc: per adapter object | |
2701 | * @handle: device handle | |
2702 | * | |
2703 | * Return nothing. | |
2704 | */ | |
2705 | static void | |
2706 | _scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
2707 | { | |
2708 | Mpi2SepReply_t mpi_reply; | |
2709 | Mpi2SepRequest_t mpi_request; | |
2710 | struct scsi_target *starget; | |
2711 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
2712 | Mpi2EventNotificationReply_t *event_reply; | |
2713 | Mpi2EventDataSasDeviceStatusChange_t *event_data; | |
2714 | struct _sas_device *sas_device; | |
2715 | ssize_t sz; | |
2716 | unsigned long flags; | |
2717 | ||
2718 | /* only handle non-raid devices */ | |
2719 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
2720 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
2721 | if (!sas_device) { | |
2722 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
2723 | return; | |
2724 | } | |
2725 | starget = sas_device->starget; | |
2726 | sas_target_priv_data = starget->hostdata; | |
2727 | ||
2728 | if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) || | |
2729 | ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))) { | |
2730 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
2731 | return; | |
2732 | } | |
2733 | starget_printk(KERN_WARNING, starget, "predicted fault\n"); | |
2734 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
2735 | ||
2736 | if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) { | |
2737 | memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t)); | |
2738 | mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR; | |
2739 | mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS; | |
2740 | mpi_request.SlotStatus = | |
2741 | MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT; | |
2742 | mpi_request.DevHandle = cpu_to_le16(handle); | |
2743 | mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS; | |
2744 | if ((mpt2sas_base_scsi_enclosure_processor(ioc, &mpi_reply, | |
2745 | &mpi_request)) != 0) { | |
2746 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
2747 | ioc->name, __FILE__, __LINE__, __func__); | |
2748 | return; | |
2749 | } | |
2750 | ||
2751 | if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) { | |
2752 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT | |
2753 | "enclosure_processor: ioc_status (0x%04x), " | |
2754 | "loginfo(0x%08x)\n", ioc->name, | |
2755 | le16_to_cpu(mpi_reply.IOCStatus), | |
2756 | le32_to_cpu(mpi_reply.IOCLogInfo))); | |
2757 | return; | |
2758 | } | |
2759 | } | |
2760 | ||
2761 | /* insert into event log */ | |
2762 | sz = offsetof(Mpi2EventNotificationReply_t, EventData) + | |
2763 | sizeof(Mpi2EventDataSasDeviceStatusChange_t); | |
2764 | event_reply = kzalloc(sz, GFP_KERNEL); | |
2765 | if (!event_reply) { | |
2766 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
2767 | ioc->name, __FILE__, __LINE__, __func__); | |
2768 | return; | |
2769 | } | |
2770 | ||
2771 | event_reply->Function = MPI2_FUNCTION_EVENT_NOTIFICATION; | |
2772 | event_reply->Event = | |
2773 | cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE); | |
2774 | event_reply->MsgLength = sz/4; | |
2775 | event_reply->EventDataLength = | |
2776 | cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t)/4); | |
2777 | event_data = (Mpi2EventDataSasDeviceStatusChange_t *) | |
2778 | event_reply->EventData; | |
2779 | event_data->ReasonCode = MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA; | |
2780 | event_data->ASC = 0x5D; | |
2781 | event_data->DevHandle = cpu_to_le16(handle); | |
2782 | event_data->SASAddress = cpu_to_le64(sas_target_priv_data->sas_address); | |
2783 | mpt2sas_ctl_add_to_event_log(ioc, event_reply); | |
2784 | kfree(event_reply); | |
2785 | } | |
2786 | ||
2787 | /** | |
2788 | * scsih_io_done - scsi request callback | |
2789 | * @ioc: per adapter object | |
2790 | * @smid: system request message index | |
2791 | * @VF_ID: virtual function id | |
2792 | * @reply: reply message frame(lower 32bit addr) | |
2793 | * | |
2794 | * Callback handler when using scsih_qcmd. | |
2795 | * | |
2796 | * Return nothing. | |
2797 | */ | |
2798 | static void | |
2799 | scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 VF_ID, u32 reply) | |
2800 | { | |
2801 | Mpi2SCSIIORequest_t *mpi_request; | |
2802 | Mpi2SCSIIOReply_t *mpi_reply; | |
2803 | struct scsi_cmnd *scmd; | |
2804 | u16 ioc_status; | |
2805 | u32 xfer_cnt; | |
2806 | u8 scsi_state; | |
2807 | u8 scsi_status; | |
2808 | u32 log_info; | |
2809 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
2810 | u32 response_code; | |
2811 | ||
2812 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
2813 | scmd = _scsih_scsi_lookup_getclear(ioc, smid); | |
2814 | if (scmd == NULL) | |
2815 | return; | |
2816 | ||
2817 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
2818 | ||
2819 | if (mpi_reply == NULL) { | |
2820 | scmd->result = DID_OK << 16; | |
2821 | goto out; | |
2822 | } | |
2823 | ||
2824 | sas_device_priv_data = scmd->device->hostdata; | |
2825 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target || | |
2826 | sas_device_priv_data->sas_target->deleted) { | |
2827 | scmd->result = DID_NO_CONNECT << 16; | |
2828 | goto out; | |
2829 | } | |
2830 | ||
2831 | /* turning off TLR */ | |
2832 | if (!sas_device_priv_data->tlr_snoop_check) { | |
2833 | sas_device_priv_data->tlr_snoop_check++; | |
2834 | if (sas_device_priv_data->flags & MPT_DEVICE_TLR_ON) { | |
2835 | response_code = (le32_to_cpu(mpi_reply->ResponseInfo) | |
2836 | >> 24); | |
2837 | if (response_code == | |
2838 | MPI2_SCSITASKMGMT_RSP_INVALID_FRAME) | |
2839 | sas_device_priv_data->flags &= | |
2840 | ~MPT_DEVICE_TLR_ON; | |
2841 | } | |
2842 | } | |
2843 | ||
2844 | xfer_cnt = le32_to_cpu(mpi_reply->TransferCount); | |
2845 | scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt); | |
2846 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus); | |
2847 | if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) | |
2848 | log_info = le32_to_cpu(mpi_reply->IOCLogInfo); | |
2849 | else | |
2850 | log_info = 0; | |
2851 | ioc_status &= MPI2_IOCSTATUS_MASK; | |
2852 | scsi_state = mpi_reply->SCSIState; | |
2853 | scsi_status = mpi_reply->SCSIStatus; | |
2854 | ||
2855 | if (ioc_status == MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 && | |
2856 | (scsi_status == MPI2_SCSI_STATUS_BUSY || | |
2857 | scsi_status == MPI2_SCSI_STATUS_RESERVATION_CONFLICT || | |
2858 | scsi_status == MPI2_SCSI_STATUS_TASK_SET_FULL)) { | |
2859 | ioc_status = MPI2_IOCSTATUS_SUCCESS; | |
2860 | } | |
2861 | ||
2862 | if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) { | |
2863 | struct sense_info data; | |
2864 | const void *sense_data = mpt2sas_base_get_sense_buffer(ioc, | |
2865 | smid); | |
2866 | memcpy(scmd->sense_buffer, sense_data, | |
2867 | le32_to_cpu(mpi_reply->SenseCount)); | |
2868 | _scsih_normalize_sense(scmd->sense_buffer, &data); | |
2869 | /* failure prediction threshold exceeded */ | |
2870 | if (data.asc == 0x5D) | |
2871 | _scsih_smart_predicted_fault(ioc, | |
2872 | le16_to_cpu(mpi_reply->DevHandle)); | |
2873 | } | |
2874 | ||
2875 | switch (ioc_status) { | |
2876 | case MPI2_IOCSTATUS_BUSY: | |
2877 | case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES: | |
2878 | scmd->result = SAM_STAT_BUSY; | |
2879 | break; | |
2880 | ||
2881 | case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: | |
2882 | scmd->result = DID_NO_CONNECT << 16; | |
2883 | break; | |
2884 | ||
2885 | case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: | |
2886 | if (sas_device_priv_data->block) { | |
2887 | scmd->result = (DID_BUS_BUSY << 16); | |
2888 | break; | |
2889 | } | |
2890 | ||
2891 | case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: | |
2892 | case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: | |
2893 | scmd->result = DID_RESET << 16; | |
2894 | break; | |
2895 | ||
2896 | case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: | |
2897 | if ((xfer_cnt == 0) || (scmd->underflow > xfer_cnt)) | |
2898 | scmd->result = DID_SOFT_ERROR << 16; | |
2899 | else | |
2900 | scmd->result = (DID_OK << 16) | scsi_status; | |
2901 | break; | |
2902 | ||
2903 | case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: | |
2904 | scmd->result = (DID_OK << 16) | scsi_status; | |
2905 | ||
2906 | if ((scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)) | |
2907 | break; | |
2908 | ||
2909 | if (xfer_cnt < scmd->underflow) { | |
2910 | if (scsi_status == SAM_STAT_BUSY) | |
2911 | scmd->result = SAM_STAT_BUSY; | |
2912 | else | |
2913 | scmd->result = DID_SOFT_ERROR << 16; | |
2914 | } else if (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED | | |
2915 | MPI2_SCSI_STATE_NO_SCSI_STATUS)) | |
2916 | scmd->result = DID_SOFT_ERROR << 16; | |
2917 | else if (scsi_state & MPI2_SCSI_STATE_TERMINATED) | |
2918 | scmd->result = DID_RESET << 16; | |
2919 | else if (!xfer_cnt && scmd->cmnd[0] == REPORT_LUNS) { | |
2920 | mpi_reply->SCSIState = MPI2_SCSI_STATE_AUTOSENSE_VALID; | |
2921 | mpi_reply->SCSIStatus = SAM_STAT_CHECK_CONDITION; | |
2922 | scmd->result = (DRIVER_SENSE << 24) | | |
2923 | SAM_STAT_CHECK_CONDITION; | |
2924 | scmd->sense_buffer[0] = 0x70; | |
2925 | scmd->sense_buffer[2] = ILLEGAL_REQUEST; | |
2926 | scmd->sense_buffer[12] = 0x20; | |
2927 | scmd->sense_buffer[13] = 0; | |
2928 | } | |
2929 | break; | |
2930 | ||
2931 | case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: | |
2932 | scsi_set_resid(scmd, 0); | |
2933 | case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: | |
2934 | case MPI2_IOCSTATUS_SUCCESS: | |
2935 | scmd->result = (DID_OK << 16) | scsi_status; | |
2936 | if (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED | | |
2937 | MPI2_SCSI_STATE_NO_SCSI_STATUS)) | |
2938 | scmd->result = DID_SOFT_ERROR << 16; | |
2939 | else if (scsi_state & MPI2_SCSI_STATE_TERMINATED) | |
2940 | scmd->result = DID_RESET << 16; | |
2941 | break; | |
2942 | ||
2943 | case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: | |
2944 | case MPI2_IOCSTATUS_INVALID_FUNCTION: | |
2945 | case MPI2_IOCSTATUS_INVALID_SGL: | |
2946 | case MPI2_IOCSTATUS_INTERNAL_ERROR: | |
2947 | case MPI2_IOCSTATUS_INVALID_FIELD: | |
2948 | case MPI2_IOCSTATUS_INVALID_STATE: | |
2949 | case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: | |
2950 | case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: | |
2951 | default: | |
2952 | scmd->result = DID_SOFT_ERROR << 16; | |
2953 | break; | |
2954 | ||
2955 | } | |
2956 | ||
2957 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
2958 | if (scmd->result && (ioc->logging_level & MPT_DEBUG_REPLY)) | |
2959 | _scsih_scsi_ioc_info(ioc , scmd, mpi_reply, smid); | |
2960 | #endif | |
2961 | ||
2962 | out: | |
2963 | scsi_dma_unmap(scmd); | |
2964 | scmd->scsi_done(scmd); | |
2965 | } | |
2966 | ||
2967 | /** | |
2968 | * _scsih_link_change - process phy link changes | |
2969 | * @ioc: per adapter object | |
2970 | * @handle: phy handle | |
2971 | * @attached_handle: valid for devices attached to link | |
2972 | * @phy_number: phy number | |
2973 | * @link_rate: new link rate | |
2974 | * Context: user. | |
2975 | * | |
2976 | * Return nothing. | |
2977 | */ | |
2978 | static void | |
2979 | _scsih_link_change(struct MPT2SAS_ADAPTER *ioc, u16 handle, u16 attached_handle, | |
2980 | u8 phy_number, u8 link_rate) | |
2981 | { | |
2982 | mpt2sas_transport_update_phy_link_change(ioc, handle, attached_handle, | |
2983 | phy_number, link_rate); | |
2984 | } | |
2985 | ||
2986 | /** | |
2987 | * _scsih_sas_host_refresh - refreshing sas host object contents | |
2988 | * @ioc: per adapter object | |
2989 | * @update: update link information | |
2990 | * Context: user | |
2991 | * | |
2992 | * During port enable, fw will send topology events for every device. Its | |
2993 | * possible that the handles may change from the previous setting, so this | |
2994 | * code keeping handles updating if changed. | |
2995 | * | |
2996 | * Return nothing. | |
2997 | */ | |
2998 | static void | |
2999 | _scsih_sas_host_refresh(struct MPT2SAS_ADAPTER *ioc, u8 update) | |
3000 | { | |
3001 | u16 sz; | |
3002 | u16 ioc_status; | |
3003 | int i; | |
3004 | Mpi2ConfigReply_t mpi_reply; | |
3005 | Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL; | |
3006 | ||
3007 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT | |
3008 | "updating handles for sas_host(0x%016llx)\n", | |
3009 | ioc->name, (unsigned long long)ioc->sas_hba.sas_address)); | |
3010 | ||
3011 | sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys | |
3012 | * sizeof(Mpi2SasIOUnit0PhyData_t)); | |
3013 | sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL); | |
3014 | if (!sas_iounit_pg0) { | |
3015 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3016 | ioc->name, __FILE__, __LINE__, __func__); | |
3017 | return; | |
3018 | } | |
3019 | if (!(mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply, | |
3020 | sas_iounit_pg0, sz))) { | |
3021 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
3022 | MPI2_IOCSTATUS_MASK; | |
3023 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) | |
3024 | goto out; | |
3025 | for (i = 0; i < ioc->sas_hba.num_phys ; i++) { | |
3026 | ioc->sas_hba.phy[i].handle = | |
3027 | le16_to_cpu(sas_iounit_pg0->PhyData[i]. | |
3028 | ControllerDevHandle); | |
3029 | if (update) | |
3030 | _scsih_link_change(ioc, | |
3031 | ioc->sas_hba.phy[i].handle, | |
3032 | le16_to_cpu(sas_iounit_pg0->PhyData[i]. | |
3033 | AttachedDevHandle), i, | |
3034 | sas_iounit_pg0->PhyData[i]. | |
3035 | NegotiatedLinkRate >> 4); | |
3036 | } | |
3037 | } | |
3038 | ||
3039 | out: | |
3040 | kfree(sas_iounit_pg0); | |
3041 | } | |
3042 | ||
3043 | /** | |
3044 | * _scsih_sas_host_add - create sas host object | |
3045 | * @ioc: per adapter object | |
3046 | * | |
3047 | * Creating host side data object, stored in ioc->sas_hba | |
3048 | * | |
3049 | * Return nothing. | |
3050 | */ | |
3051 | static void | |
3052 | _scsih_sas_host_add(struct MPT2SAS_ADAPTER *ioc) | |
3053 | { | |
3054 | int i; | |
3055 | Mpi2ConfigReply_t mpi_reply; | |
3056 | Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL; | |
3057 | Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; | |
3058 | Mpi2SasPhyPage0_t phy_pg0; | |
3059 | Mpi2SasDevicePage0_t sas_device_pg0; | |
3060 | Mpi2SasEnclosurePage0_t enclosure_pg0; | |
3061 | u16 ioc_status; | |
3062 | u16 sz; | |
3063 | u16 device_missing_delay; | |
3064 | ||
3065 | mpt2sas_config_get_number_hba_phys(ioc, &ioc->sas_hba.num_phys); | |
3066 | if (!ioc->sas_hba.num_phys) { | |
3067 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3068 | ioc->name, __FILE__, __LINE__, __func__); | |
3069 | return; | |
3070 | } | |
3071 | ||
3072 | /* sas_iounit page 0 */ | |
3073 | sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys * | |
3074 | sizeof(Mpi2SasIOUnit0PhyData_t)); | |
3075 | sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL); | |
3076 | if (!sas_iounit_pg0) { | |
3077 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3078 | ioc->name, __FILE__, __LINE__, __func__); | |
3079 | return; | |
3080 | } | |
3081 | if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply, | |
3082 | sas_iounit_pg0, sz))) { | |
3083 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3084 | ioc->name, __FILE__, __LINE__, __func__); | |
3085 | goto out; | |
3086 | } | |
3087 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
3088 | MPI2_IOCSTATUS_MASK; | |
3089 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
3090 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3091 | ioc->name, __FILE__, __LINE__, __func__); | |
3092 | goto out; | |
3093 | } | |
3094 | ||
3095 | /* sas_iounit page 1 */ | |
3096 | sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys * | |
3097 | sizeof(Mpi2SasIOUnit1PhyData_t)); | |
3098 | sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); | |
3099 | if (!sas_iounit_pg1) { | |
3100 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3101 | ioc->name, __FILE__, __LINE__, __func__); | |
3102 | goto out; | |
3103 | } | |
3104 | if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, | |
3105 | sas_iounit_pg1, sz))) { | |
3106 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3107 | ioc->name, __FILE__, __LINE__, __func__); | |
3108 | goto out; | |
3109 | } | |
3110 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
3111 | MPI2_IOCSTATUS_MASK; | |
3112 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
3113 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3114 | ioc->name, __FILE__, __LINE__, __func__); | |
3115 | goto out; | |
3116 | } | |
3117 | ||
3118 | ioc->io_missing_delay = | |
3119 | le16_to_cpu(sas_iounit_pg1->IODeviceMissingDelay); | |
3120 | device_missing_delay = | |
3121 | le16_to_cpu(sas_iounit_pg1->ReportDeviceMissingDelay); | |
3122 | if (device_missing_delay & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16) | |
3123 | ioc->device_missing_delay = (device_missing_delay & | |
3124 | MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16; | |
3125 | else | |
3126 | ioc->device_missing_delay = device_missing_delay & | |
3127 | MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK; | |
3128 | ||
3129 | ioc->sas_hba.parent_dev = &ioc->shost->shost_gendev; | |
3130 | ioc->sas_hba.phy = kcalloc(ioc->sas_hba.num_phys, | |
3131 | sizeof(struct _sas_phy), GFP_KERNEL); | |
3132 | if (!ioc->sas_hba.phy) { | |
3133 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3134 | ioc->name, __FILE__, __LINE__, __func__); | |
3135 | goto out; | |
3136 | } | |
3137 | for (i = 0; i < ioc->sas_hba.num_phys ; i++) { | |
3138 | if ((mpt2sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0, | |
3139 | i))) { | |
3140 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3141 | ioc->name, __FILE__, __LINE__, __func__); | |
3142 | goto out; | |
3143 | } | |
3144 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
3145 | MPI2_IOCSTATUS_MASK; | |
3146 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
3147 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3148 | ioc->name, __FILE__, __LINE__, __func__); | |
3149 | goto out; | |
3150 | } | |
3151 | ioc->sas_hba.phy[i].handle = | |
3152 | le16_to_cpu(sas_iounit_pg0->PhyData[i].ControllerDevHandle); | |
3153 | ioc->sas_hba.phy[i].phy_id = i; | |
3154 | mpt2sas_transport_add_host_phy(ioc, &ioc->sas_hba.phy[i], | |
3155 | phy_pg0, ioc->sas_hba.parent_dev); | |
3156 | } | |
3157 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
3158 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, ioc->sas_hba.phy[0].handle))) { | |
3159 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3160 | ioc->name, __FILE__, __LINE__, __func__); | |
3161 | goto out; | |
3162 | } | |
3163 | ioc->sas_hba.handle = le16_to_cpu(sas_device_pg0.DevHandle); | |
3164 | ioc->sas_hba.enclosure_handle = | |
3165 | le16_to_cpu(sas_device_pg0.EnclosureHandle); | |
3166 | ioc->sas_hba.sas_address = le64_to_cpu(sas_device_pg0.SASAddress); | |
3167 | printk(MPT2SAS_INFO_FMT "host_add: handle(0x%04x), " | |
3168 | "sas_addr(0x%016llx), phys(%d)\n", ioc->name, ioc->sas_hba.handle, | |
3169 | (unsigned long long) ioc->sas_hba.sas_address, | |
3170 | ioc->sas_hba.num_phys) ; | |
3171 | ||
3172 | if (ioc->sas_hba.enclosure_handle) { | |
3173 | if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply, | |
3174 | &enclosure_pg0, | |
3175 | MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, | |
3176 | ioc->sas_hba.enclosure_handle))) { | |
3177 | ioc->sas_hba.enclosure_logical_id = | |
3178 | le64_to_cpu(enclosure_pg0.EnclosureLogicalID); | |
3179 | } | |
3180 | } | |
3181 | ||
3182 | out: | |
3183 | kfree(sas_iounit_pg1); | |
3184 | kfree(sas_iounit_pg0); | |
3185 | } | |
3186 | ||
3187 | /** | |
3188 | * _scsih_expander_add - creating expander object | |
3189 | * @ioc: per adapter object | |
3190 | * @handle: expander handle | |
3191 | * | |
3192 | * Creating expander object, stored in ioc->sas_expander_list. | |
3193 | * | |
3194 | * Return 0 for success, else error. | |
3195 | */ | |
3196 | static int | |
3197 | _scsih_expander_add(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
3198 | { | |
3199 | struct _sas_node *sas_expander; | |
3200 | Mpi2ConfigReply_t mpi_reply; | |
3201 | Mpi2ExpanderPage0_t expander_pg0; | |
3202 | Mpi2ExpanderPage1_t expander_pg1; | |
3203 | Mpi2SasEnclosurePage0_t enclosure_pg0; | |
3204 | u32 ioc_status; | |
3205 | u16 parent_handle; | |
3206 | __le64 sas_address; | |
3207 | int i; | |
3208 | unsigned long flags; | |
3209 | struct _sas_port *mpt2sas_port; | |
3210 | int rc = 0; | |
3211 | ||
3212 | if (!handle) | |
3213 | return -1; | |
3214 | ||
3215 | if ((mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, | |
3216 | MPI2_SAS_EXPAND_PGAD_FORM_HNDL, handle))) { | |
3217 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3218 | ioc->name, __FILE__, __LINE__, __func__); | |
3219 | return -1; | |
3220 | } | |
3221 | ||
3222 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
3223 | MPI2_IOCSTATUS_MASK; | |
3224 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
3225 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3226 | ioc->name, __FILE__, __LINE__, __func__); | |
3227 | return -1; | |
3228 | } | |
3229 | ||
3230 | /* handle out of order topology events */ | |
3231 | parent_handle = le16_to_cpu(expander_pg0.ParentDevHandle); | |
3232 | if (parent_handle >= ioc->sas_hba.num_phys) { | |
3233 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
3234 | sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc, | |
3235 | parent_handle); | |
3236 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
3237 | if (!sas_expander) { | |
3238 | rc = _scsih_expander_add(ioc, parent_handle); | |
3239 | if (rc != 0) | |
3240 | return rc; | |
3241 | } | |
3242 | } | |
3243 | ||
3244 | sas_address = le64_to_cpu(expander_pg0.SASAddress); | |
3245 | ||
3246 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
3247 | sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc, | |
3248 | sas_address); | |
3249 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
3250 | ||
3251 | if (sas_expander) | |
3252 | return 0; | |
3253 | ||
3254 | sas_expander = kzalloc(sizeof(struct _sas_node), | |
3255 | GFP_KERNEL); | |
3256 | if (!sas_expander) { | |
3257 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3258 | ioc->name, __FILE__, __LINE__, __func__); | |
3259 | return -1; | |
3260 | } | |
3261 | ||
3262 | sas_expander->handle = handle; | |
3263 | sas_expander->num_phys = expander_pg0.NumPhys; | |
3264 | sas_expander->parent_handle = parent_handle; | |
3265 | sas_expander->enclosure_handle = | |
3266 | le16_to_cpu(expander_pg0.EnclosureHandle); | |
3267 | sas_expander->sas_address = sas_address; | |
3268 | ||
3269 | printk(MPT2SAS_INFO_FMT "expander_add: handle(0x%04x)," | |
3270 | " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc->name, | |
3271 | handle, sas_expander->parent_handle, (unsigned long long) | |
3272 | sas_expander->sas_address, sas_expander->num_phys); | |
3273 | ||
3274 | if (!sas_expander->num_phys) | |
3275 | goto out_fail; | |
3276 | sas_expander->phy = kcalloc(sas_expander->num_phys, | |
3277 | sizeof(struct _sas_phy), GFP_KERNEL); | |
3278 | if (!sas_expander->phy) { | |
3279 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3280 | ioc->name, __FILE__, __LINE__, __func__); | |
3281 | rc = -1; | |
3282 | goto out_fail; | |
3283 | } | |
3284 | ||
3285 | INIT_LIST_HEAD(&sas_expander->sas_port_list); | |
3286 | mpt2sas_port = mpt2sas_transport_port_add(ioc, handle, | |
3287 | sas_expander->parent_handle); | |
3288 | if (!mpt2sas_port) { | |
3289 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3290 | ioc->name, __FILE__, __LINE__, __func__); | |
3291 | rc = -1; | |
3292 | goto out_fail; | |
3293 | } | |
3294 | sas_expander->parent_dev = &mpt2sas_port->rphy->dev; | |
3295 | ||
3296 | for (i = 0 ; i < sas_expander->num_phys ; i++) { | |
3297 | if ((mpt2sas_config_get_expander_pg1(ioc, &mpi_reply, | |
3298 | &expander_pg1, i, handle))) { | |
3299 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3300 | ioc->name, __FILE__, __LINE__, __func__); | |
3301 | continue; | |
3302 | } | |
3303 | sas_expander->phy[i].handle = handle; | |
3304 | sas_expander->phy[i].phy_id = i; | |
3305 | mpt2sas_transport_add_expander_phy(ioc, &sas_expander->phy[i], | |
3306 | expander_pg1, sas_expander->parent_dev); | |
3307 | } | |
3308 | ||
3309 | if (sas_expander->enclosure_handle) { | |
3310 | if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply, | |
3311 | &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, | |
3312 | sas_expander->enclosure_handle))) { | |
3313 | sas_expander->enclosure_logical_id = | |
3314 | le64_to_cpu(enclosure_pg0.EnclosureLogicalID); | |
3315 | } | |
3316 | } | |
3317 | ||
3318 | _scsih_expander_node_add(ioc, sas_expander); | |
3319 | return 0; | |
3320 | ||
3321 | out_fail: | |
3322 | ||
3323 | if (sas_expander) | |
3324 | kfree(sas_expander->phy); | |
3325 | kfree(sas_expander); | |
3326 | return rc; | |
3327 | } | |
3328 | ||
3329 | /** | |
3330 | * _scsih_expander_remove - removing expander object | |
3331 | * @ioc: per adapter object | |
3332 | * @handle: expander handle | |
3333 | * | |
3334 | * Return nothing. | |
3335 | */ | |
3336 | static void | |
3337 | _scsih_expander_remove(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
3338 | { | |
3339 | struct _sas_node *sas_expander; | |
3340 | unsigned long flags; | |
3341 | ||
3342 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
3343 | sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc, handle); | |
3344 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
3345 | _scsih_expander_node_remove(ioc, sas_expander); | |
3346 | } | |
3347 | ||
3348 | /** | |
3349 | * _scsih_add_device - creating sas device object | |
3350 | * @ioc: per adapter object | |
3351 | * @handle: sas device handle | |
3352 | * @phy_num: phy number end device attached to | |
3353 | * @is_pd: is this hidden raid component | |
3354 | * | |
3355 | * Creating end device object, stored in ioc->sas_device_list. | |
3356 | * | |
3357 | * Returns 0 for success, non-zero for failure. | |
3358 | */ | |
3359 | static int | |
3360 | _scsih_add_device(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 phy_num, u8 is_pd) | |
3361 | { | |
3362 | Mpi2ConfigReply_t mpi_reply; | |
3363 | Mpi2SasDevicePage0_t sas_device_pg0; | |
3364 | Mpi2SasEnclosurePage0_t enclosure_pg0; | |
3365 | struct _sas_device *sas_device; | |
3366 | u32 ioc_status; | |
3367 | __le64 sas_address; | |
3368 | u32 device_info; | |
3369 | unsigned long flags; | |
3370 | ||
3371 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
3372 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { | |
3373 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3374 | ioc->name, __FILE__, __LINE__, __func__); | |
3375 | return -1; | |
3376 | } | |
3377 | ||
3378 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
3379 | MPI2_IOCSTATUS_MASK; | |
3380 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
3381 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3382 | ioc->name, __FILE__, __LINE__, __func__); | |
3383 | return -1; | |
3384 | } | |
3385 | ||
3386 | /* check if device is present */ | |
3387 | if (!(le16_to_cpu(sas_device_pg0.Flags) & | |
3388 | MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) { | |
3389 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3390 | ioc->name, __FILE__, __LINE__, __func__); | |
3391 | printk(MPT2SAS_ERR_FMT "Flags = 0x%04x\n", | |
3392 | ioc->name, le16_to_cpu(sas_device_pg0.Flags)); | |
3393 | return -1; | |
3394 | } | |
3395 | ||
3396 | /* check if there were any issus with discovery */ | |
3397 | if (sas_device_pg0.AccessStatus == | |
3398 | MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED) { | |
3399 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3400 | ioc->name, __FILE__, __LINE__, __func__); | |
3401 | printk(MPT2SAS_ERR_FMT "AccessStatus = 0x%02x\n", | |
3402 | ioc->name, sas_device_pg0.AccessStatus); | |
3403 | return -1; | |
3404 | } | |
3405 | ||
3406 | /* check if this is end device */ | |
3407 | device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); | |
3408 | if (!(_scsih_is_end_device(device_info))) { | |
3409 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3410 | ioc->name, __FILE__, __LINE__, __func__); | |
3411 | return -1; | |
3412 | } | |
3413 | ||
3414 | sas_address = le64_to_cpu(sas_device_pg0.SASAddress); | |
3415 | ||
3416 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
3417 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
3418 | sas_address); | |
3419 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
3420 | ||
3421 | if (sas_device) { | |
3422 | _scsih_ublock_io_device(ioc, handle); | |
3423 | return 0; | |
3424 | } | |
3425 | ||
3426 | sas_device = kzalloc(sizeof(struct _sas_device), | |
3427 | GFP_KERNEL); | |
3428 | if (!sas_device) { | |
3429 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3430 | ioc->name, __FILE__, __LINE__, __func__); | |
3431 | return -1; | |
3432 | } | |
3433 | ||
3434 | sas_device->handle = handle; | |
3435 | sas_device->parent_handle = | |
3436 | le16_to_cpu(sas_device_pg0.ParentDevHandle); | |
3437 | sas_device->enclosure_handle = | |
3438 | le16_to_cpu(sas_device_pg0.EnclosureHandle); | |
3439 | sas_device->slot = | |
3440 | le16_to_cpu(sas_device_pg0.Slot); | |
3441 | sas_device->device_info = device_info; | |
3442 | sas_device->sas_address = sas_address; | |
3443 | sas_device->hidden_raid_component = is_pd; | |
3444 | ||
3445 | /* get enclosure_logical_id */ | |
3446 | if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply, &enclosure_pg0, | |
3447 | MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, | |
3448 | sas_device->enclosure_handle))) { | |
3449 | sas_device->enclosure_logical_id = | |
3450 | le64_to_cpu(enclosure_pg0.EnclosureLogicalID); | |
3451 | } | |
3452 | ||
3453 | /* get device name */ | |
3454 | sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName); | |
3455 | ||
3456 | if (ioc->wait_for_port_enable_to_complete) | |
3457 | _scsih_sas_device_init_add(ioc, sas_device); | |
3458 | else | |
3459 | _scsih_sas_device_add(ioc, sas_device); | |
3460 | ||
3461 | return 0; | |
3462 | } | |
3463 | ||
3464 | /** | |
3465 | * _scsih_remove_device - removing sas device object | |
3466 | * @ioc: per adapter object | |
3467 | * @handle: sas device handle | |
3468 | * | |
3469 | * Return nothing. | |
3470 | */ | |
3471 | static void | |
3472 | _scsih_remove_device(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
3473 | { | |
3474 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
3475 | struct _sas_device *sas_device; | |
3476 | unsigned long flags; | |
3477 | Mpi2SasIoUnitControlReply_t mpi_reply; | |
3478 | Mpi2SasIoUnitControlRequest_t mpi_request; | |
3479 | u16 device_handle; | |
3480 | ||
3481 | /* lookup sas_device */ | |
3482 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
3483 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
3484 | if (!sas_device) { | |
3485 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
3486 | return; | |
3487 | } | |
3488 | ||
3489 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter: handle" | |
3490 | "(0x%04x)\n", ioc->name, __func__, handle)); | |
3491 | ||
3492 | if (sas_device->starget && sas_device->starget->hostdata) { | |
3493 | sas_target_priv_data = sas_device->starget->hostdata; | |
3494 | sas_target_priv_data->deleted = 1; | |
3495 | } | |
3496 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
3497 | ||
3498 | if (ioc->remove_host) | |
3499 | goto out; | |
3500 | ||
3501 | /* Target Reset to flush out all the outstanding IO */ | |
3502 | device_handle = (sas_device->hidden_raid_component) ? | |
3503 | sas_device->volume_handle : handle; | |
3504 | if (device_handle) { | |
3505 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "issue target reset: " | |
3506 | "handle(0x%04x)\n", ioc->name, device_handle)); | |
3507 | mutex_lock(&ioc->tm_cmds.mutex); | |
3508 | mpt2sas_scsih_issue_tm(ioc, device_handle, 0, | |
3509 | MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 10); | |
3510 | ioc->tm_cmds.status = MPT2_CMD_NOT_USED; | |
3511 | mutex_unlock(&ioc->tm_cmds.mutex); | |
3512 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "issue target reset " | |
3513 | "done: handle(0x%04x)\n", ioc->name, device_handle)); | |
3514 | } | |
3515 | ||
3516 | /* SAS_IO_UNIT_CNTR - send REMOVE_DEVICE */ | |
3517 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "sas_iounit: handle" | |
3518 | "(0x%04x)\n", ioc->name, handle)); | |
3519 | memset(&mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t)); | |
3520 | mpi_request.Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL; | |
3521 | mpi_request.Operation = MPI2_SAS_OP_REMOVE_DEVICE; | |
3522 | mpi_request.DevHandle = handle; | |
3523 | mpi_request.VF_ID = 0; | |
3524 | if ((mpt2sas_base_sas_iounit_control(ioc, &mpi_reply, | |
3525 | &mpi_request)) != 0) { | |
3526 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3527 | ioc->name, __FILE__, __LINE__, __func__); | |
3528 | } | |
3529 | ||
3530 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "sas_iounit: ioc_status" | |
3531 | "(0x%04x), loginfo(0x%08x)\n", ioc->name, | |
3532 | le16_to_cpu(mpi_reply.IOCStatus), | |
3533 | le32_to_cpu(mpi_reply.IOCLogInfo))); | |
3534 | ||
3535 | out: | |
3536 | mpt2sas_transport_port_remove(ioc, sas_device->sas_address, | |
3537 | sas_device->parent_handle); | |
3538 | ||
3539 | printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), sas_addr" | |
3540 | "(0x%016llx)\n", ioc->name, sas_device->handle, | |
3541 | (unsigned long long) sas_device->sas_address); | |
3542 | _scsih_sas_device_remove(ioc, sas_device); | |
3543 | ||
3544 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit: handle" | |
3545 | "(0x%04x)\n", ioc->name, __func__, handle)); | |
3546 | } | |
3547 | ||
3548 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
3549 | /** | |
3550 | * _scsih_sas_topology_change_event_debug - debug for topology event | |
3551 | * @ioc: per adapter object | |
3552 | * @event_data: event data payload | |
3553 | * Context: user. | |
3554 | */ | |
3555 | static void | |
3556 | _scsih_sas_topology_change_event_debug(struct MPT2SAS_ADAPTER *ioc, | |
3557 | Mpi2EventDataSasTopologyChangeList_t *event_data) | |
3558 | { | |
3559 | int i; | |
3560 | u16 handle; | |
3561 | u16 reason_code; | |
3562 | u8 phy_number; | |
3563 | char *status_str = NULL; | |
3564 | char link_rate[25]; | |
3565 | ||
3566 | switch (event_data->ExpStatus) { | |
3567 | case MPI2_EVENT_SAS_TOPO_ES_ADDED: | |
3568 | status_str = "add"; | |
3569 | break; | |
3570 | case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING: | |
3571 | status_str = "remove"; | |
3572 | break; | |
3573 | case MPI2_EVENT_SAS_TOPO_ES_RESPONDING: | |
3574 | status_str = "responding"; | |
3575 | break; | |
3576 | case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING: | |
3577 | status_str = "remove delay"; | |
3578 | break; | |
3579 | default: | |
3580 | status_str = "unknown status"; | |
3581 | break; | |
3582 | } | |
3583 | printk(MPT2SAS_DEBUG_FMT "sas topology change: (%s)\n", | |
3584 | ioc->name, status_str); | |
3585 | printk(KERN_DEBUG "\thandle(0x%04x), enclosure_handle(0x%04x) " | |
3586 | "start_phy(%02d), count(%d)\n", | |
3587 | le16_to_cpu(event_data->ExpanderDevHandle), | |
3588 | le16_to_cpu(event_data->EnclosureHandle), | |
3589 | event_data->StartPhyNum, event_data->NumEntries); | |
3590 | for (i = 0; i < event_data->NumEntries; i++) { | |
3591 | handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); | |
3592 | if (!handle) | |
3593 | continue; | |
3594 | phy_number = event_data->StartPhyNum + i; | |
3595 | reason_code = event_data->PHY[i].PhyStatus & | |
3596 | MPI2_EVENT_SAS_TOPO_RC_MASK; | |
3597 | switch (reason_code) { | |
3598 | case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: | |
3599 | snprintf(link_rate, 25, ": add, link(0x%02x)", | |
3600 | (event_data->PHY[i].LinkRate >> 4)); | |
3601 | status_str = link_rate; | |
3602 | break; | |
3603 | case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: | |
3604 | status_str = ": remove"; | |
3605 | break; | |
3606 | case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING: | |
3607 | status_str = ": remove_delay"; | |
3608 | break; | |
3609 | case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: | |
3610 | snprintf(link_rate, 25, ": link(0x%02x)", | |
3611 | (event_data->PHY[i].LinkRate >> 4)); | |
3612 | status_str = link_rate; | |
3613 | break; | |
3614 | case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE: | |
3615 | status_str = ": responding"; | |
3616 | break; | |
3617 | default: | |
3618 | status_str = ": unknown"; | |
3619 | break; | |
3620 | } | |
3621 | printk(KERN_DEBUG "\tphy(%02d), attached_handle(0x%04x)%s\n", | |
3622 | phy_number, handle, status_str); | |
3623 | } | |
3624 | } | |
3625 | #endif | |
3626 | ||
3627 | /** | |
3628 | * _scsih_sas_topology_change_event - handle topology changes | |
3629 | * @ioc: per adapter object | |
3630 | * @VF_ID: | |
3631 | * @event_data: event data payload | |
3632 | * fw_event: | |
3633 | * Context: user. | |
3634 | * | |
3635 | */ | |
3636 | static void | |
3637 | _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, | |
3638 | Mpi2EventDataSasTopologyChangeList_t *event_data, | |
3639 | struct fw_event_work *fw_event) | |
3640 | { | |
3641 | int i; | |
3642 | u16 parent_handle, handle; | |
3643 | u16 reason_code; | |
3644 | u8 phy_number; | |
3645 | struct _sas_node *sas_expander; | |
3646 | unsigned long flags; | |
3647 | u8 link_rate_; | |
3648 | ||
3649 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
3650 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) | |
3651 | _scsih_sas_topology_change_event_debug(ioc, event_data); | |
3652 | #endif | |
3653 | ||
3654 | if (!ioc->sas_hba.num_phys) | |
3655 | _scsih_sas_host_add(ioc); | |
3656 | else | |
3657 | _scsih_sas_host_refresh(ioc, 0); | |
3658 | ||
3659 | if (fw_event->ignore) { | |
3660 | dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "ignoring expander " | |
3661 | "event\n", ioc->name)); | |
3662 | return; | |
3663 | } | |
3664 | ||
3665 | parent_handle = le16_to_cpu(event_data->ExpanderDevHandle); | |
3666 | ||
3667 | /* handle expander add */ | |
3668 | if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_ADDED) | |
3669 | if (_scsih_expander_add(ioc, parent_handle) != 0) | |
3670 | return; | |
3671 | ||
3672 | /* handle siblings events */ | |
3673 | for (i = 0; i < event_data->NumEntries; i++) { | |
3674 | if (fw_event->ignore) { | |
3675 | dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "ignoring " | |
3676 | "expander event\n", ioc->name)); | |
3677 | return; | |
3678 | } | |
3679 | if (event_data->PHY[i].PhyStatus & | |
3680 | MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) | |
3681 | continue; | |
3682 | handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); | |
3683 | if (!handle) | |
3684 | continue; | |
3685 | phy_number = event_data->StartPhyNum + i; | |
3686 | reason_code = event_data->PHY[i].PhyStatus & | |
3687 | MPI2_EVENT_SAS_TOPO_RC_MASK; | |
3688 | link_rate_ = event_data->PHY[i].LinkRate >> 4; | |
3689 | switch (reason_code) { | |
3690 | case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: | |
3691 | case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: | |
3692 | if (!parent_handle) { | |
3693 | if (phy_number < ioc->sas_hba.num_phys) | |
3694 | _scsih_link_change(ioc, | |
3695 | ioc->sas_hba.phy[phy_number].handle, | |
3696 | handle, phy_number, link_rate_); | |
3697 | } else { | |
3698 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
3699 | sas_expander = | |
3700 | mpt2sas_scsih_expander_find_by_handle(ioc, | |
3701 | parent_handle); | |
3702 | spin_unlock_irqrestore(&ioc->sas_node_lock, | |
3703 | flags); | |
3704 | if (sas_expander) { | |
3705 | if (phy_number < sas_expander->num_phys) | |
3706 | _scsih_link_change(ioc, | |
3707 | sas_expander-> | |
3708 | phy[phy_number].handle, | |
3709 | handle, phy_number, | |
3710 | link_rate_); | |
3711 | } | |
3712 | } | |
3713 | if (reason_code == MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED) { | |
3714 | if (link_rate_ >= MPI2_SAS_NEG_LINK_RATE_1_5) | |
3715 | _scsih_ublock_io_device(ioc, handle); | |
3716 | } | |
3717 | if (reason_code == MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED) { | |
3718 | if (link_rate_ < MPI2_SAS_NEG_LINK_RATE_1_5) | |
3719 | break; | |
3720 | _scsih_add_device(ioc, handle, phy_number, 0); | |
3721 | } | |
3722 | break; | |
3723 | case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: | |
3724 | _scsih_remove_device(ioc, handle); | |
3725 | break; | |
3726 | } | |
3727 | } | |
3728 | ||
3729 | /* handle expander removal */ | |
3730 | if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING) | |
3731 | _scsih_expander_remove(ioc, parent_handle); | |
3732 | ||
3733 | } | |
3734 | ||
3735 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
3736 | /** | |
3737 | * _scsih_sas_device_status_change_event_debug - debug for device event | |
3738 | * @event_data: event data payload | |
3739 | * Context: user. | |
3740 | * | |
3741 | * Return nothing. | |
3742 | */ | |
3743 | static void | |
3744 | _scsih_sas_device_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc, | |
3745 | Mpi2EventDataSasDeviceStatusChange_t *event_data) | |
3746 | { | |
3747 | char *reason_str = NULL; | |
3748 | ||
3749 | switch (event_data->ReasonCode) { | |
3750 | case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA: | |
3751 | reason_str = "smart data"; | |
3752 | break; | |
3753 | case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED: | |
3754 | reason_str = "unsupported device discovered"; | |
3755 | break; | |
3756 | case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET: | |
3757 | reason_str = "internal device reset"; | |
3758 | break; | |
3759 | case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL: | |
3760 | reason_str = "internal task abort"; | |
3761 | break; | |
3762 | case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL: | |
3763 | reason_str = "internal task abort set"; | |
3764 | break; | |
3765 | case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL: | |
3766 | reason_str = "internal clear task set"; | |
3767 | break; | |
3768 | case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL: | |
3769 | reason_str = "internal query task"; | |
3770 | break; | |
3771 | case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE: | |
3772 | reason_str = "sata init failure"; | |
3773 | break; | |
3774 | case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET: | |
3775 | reason_str = "internal device reset complete"; | |
3776 | break; | |
3777 | case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL: | |
3778 | reason_str = "internal task abort complete"; | |
3779 | break; | |
3780 | case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION: | |
3781 | reason_str = "internal async notification"; | |
3782 | break; | |
3783 | default: | |
3784 | reason_str = "unknown reason"; | |
3785 | break; | |
3786 | } | |
3787 | printk(MPT2SAS_DEBUG_FMT "device status change: (%s)\n" | |
3788 | "\thandle(0x%04x), sas address(0x%016llx)", ioc->name, | |
3789 | reason_str, le16_to_cpu(event_data->DevHandle), | |
3790 | (unsigned long long)le64_to_cpu(event_data->SASAddress)); | |
3791 | if (event_data->ReasonCode == MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA) | |
3792 | printk(MPT2SAS_DEBUG_FMT ", ASC(0x%x), ASCQ(0x%x)\n", ioc->name, | |
3793 | event_data->ASC, event_data->ASCQ); | |
3794 | printk(KERN_INFO "\n"); | |
3795 | } | |
3796 | #endif | |
3797 | ||
3798 | /** | |
3799 | * _scsih_sas_device_status_change_event - handle device status change | |
3800 | * @ioc: per adapter object | |
3801 | * @VF_ID: | |
3802 | * @event_data: event data payload | |
3803 | * Context: user. | |
3804 | * | |
3805 | * Return nothing. | |
3806 | */ | |
3807 | static void | |
3808 | _scsih_sas_device_status_change_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, | |
3809 | Mpi2EventDataSasDeviceStatusChange_t *event_data) | |
3810 | { | |
3811 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
3812 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) | |
3813 | _scsih_sas_device_status_change_event_debug(ioc, event_data); | |
3814 | #endif | |
3815 | } | |
3816 | ||
3817 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
3818 | /** | |
3819 | * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure event | |
3820 | * @ioc: per adapter object | |
3821 | * @event_data: event data payload | |
3822 | * Context: user. | |
3823 | * | |
3824 | * Return nothing. | |
3825 | */ | |
3826 | static void | |
3827 | _scsih_sas_enclosure_dev_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc, | |
3828 | Mpi2EventDataSasEnclDevStatusChange_t *event_data) | |
3829 | { | |
3830 | char *reason_str = NULL; | |
3831 | ||
3832 | switch (event_data->ReasonCode) { | |
3833 | case MPI2_EVENT_SAS_ENCL_RC_ADDED: | |
3834 | reason_str = "enclosure add"; | |
3835 | break; | |
3836 | case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING: | |
3837 | reason_str = "enclosure remove"; | |
3838 | break; | |
3839 | default: | |
3840 | reason_str = "unknown reason"; | |
3841 | break; | |
3842 | } | |
3843 | ||
3844 | printk(MPT2SAS_DEBUG_FMT "enclosure status change: (%s)\n" | |
3845 | "\thandle(0x%04x), enclosure logical id(0x%016llx)" | |
3846 | " number slots(%d)\n", ioc->name, reason_str, | |
3847 | le16_to_cpu(event_data->EnclosureHandle), | |
3848 | (unsigned long long)le64_to_cpu(event_data->EnclosureLogicalID), | |
3849 | le16_to_cpu(event_data->StartSlot)); | |
3850 | } | |
3851 | #endif | |
3852 | ||
3853 | /** | |
3854 | * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events | |
3855 | * @ioc: per adapter object | |
3856 | * @VF_ID: | |
3857 | * @event_data: event data payload | |
3858 | * Context: user. | |
3859 | * | |
3860 | * Return nothing. | |
3861 | */ | |
3862 | static void | |
3863 | _scsih_sas_enclosure_dev_status_change_event(struct MPT2SAS_ADAPTER *ioc, | |
3864 | u8 VF_ID, Mpi2EventDataSasEnclDevStatusChange_t *event_data) | |
3865 | { | |
3866 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
3867 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) | |
3868 | _scsih_sas_enclosure_dev_status_change_event_debug(ioc, | |
3869 | event_data); | |
3870 | #endif | |
3871 | } | |
3872 | ||
3873 | /** | |
3874 | * _scsih_sas_broadcast_primative_event - handle broadcast events | |
3875 | * @ioc: per adapter object | |
3876 | * @event_data: event data payload | |
3877 | * Context: user. | |
3878 | * | |
3879 | * Return nothing. | |
3880 | */ | |
3881 | static void | |
3882 | _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, | |
3883 | Mpi2EventDataSasBroadcastPrimitive_t *event_data) | |
3884 | { | |
3885 | struct scsi_cmnd *scmd; | |
3886 | u16 smid, handle; | |
3887 | u32 lun; | |
3888 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
3889 | u32 termination_count; | |
3890 | u32 query_count; | |
3891 | Mpi2SCSITaskManagementReply_t *mpi_reply; | |
3892 | ||
3893 | dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "broadcast primative: " | |
3894 | "phy number(%d), width(%d)\n", ioc->name, event_data->PhyNum, | |
3895 | event_data->PortWidth)); | |
3896 | ||
3897 | dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: enter\n", ioc->name, | |
3898 | __func__)); | |
3899 | ||
3900 | mutex_lock(&ioc->tm_cmds.mutex); | |
3901 | termination_count = 0; | |
3902 | query_count = 0; | |
3903 | mpi_reply = ioc->tm_cmds.reply; | |
3904 | for (smid = 1; smid <= ioc->request_depth; smid++) { | |
3905 | scmd = _scsih_scsi_lookup_get(ioc, smid); | |
3906 | if (!scmd) | |
3907 | continue; | |
3908 | sas_device_priv_data = scmd->device->hostdata; | |
3909 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target) | |
3910 | continue; | |
3911 | /* skip hidden raid components */ | |
3912 | if (sas_device_priv_data->sas_target->flags & | |
3913 | MPT_TARGET_FLAGS_RAID_COMPONENT) | |
3914 | continue; | |
3915 | /* skip volumes */ | |
3916 | if (sas_device_priv_data->sas_target->flags & | |
3917 | MPT_TARGET_FLAGS_VOLUME) | |
3918 | continue; | |
3919 | ||
3920 | handle = sas_device_priv_data->sas_target->handle; | |
3921 | lun = sas_device_priv_data->lun; | |
3922 | query_count++; | |
3923 | ||
3924 | mpt2sas_scsih_issue_tm(ioc, handle, lun, | |
3925 | MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30); | |
3926 | termination_count += le32_to_cpu(mpi_reply->TerminationCount); | |
3927 | ||
3928 | if ((mpi_reply->IOCStatus == MPI2_IOCSTATUS_SUCCESS) && | |
3929 | (mpi_reply->ResponseCode == | |
3930 | MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED || | |
3931 | mpi_reply->ResponseCode == | |
3932 | MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC)) | |
3933 | continue; | |
3934 | ||
3935 | mpt2sas_scsih_issue_tm(ioc, handle, lun, | |
3936 | MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET, smid, 30); | |
3937 | termination_count += le32_to_cpu(mpi_reply->TerminationCount); | |
3938 | } | |
3939 | ioc->tm_cmds.status = MPT2_CMD_NOT_USED; | |
3940 | ioc->broadcast_aen_busy = 0; | |
3941 | mutex_unlock(&ioc->tm_cmds.mutex); | |
3942 | ||
3943 | dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT | |
3944 | "%s - exit, query_count = %d termination_count = %d\n", | |
3945 | ioc->name, __func__, query_count, termination_count)); | |
3946 | } | |
3947 | ||
3948 | /** | |
3949 | * _scsih_sas_discovery_event - handle discovery events | |
3950 | * @ioc: per adapter object | |
3951 | * @event_data: event data payload | |
3952 | * Context: user. | |
3953 | * | |
3954 | * Return nothing. | |
3955 | */ | |
3956 | static void | |
3957 | _scsih_sas_discovery_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, | |
3958 | Mpi2EventDataSasDiscovery_t *event_data) | |
3959 | { | |
3960 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
3961 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) { | |
3962 | printk(MPT2SAS_DEBUG_FMT "discovery event: (%s)", ioc->name, | |
3963 | (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ? | |
3964 | "start" : "stop"); | |
3965 | if (event_data->DiscoveryStatus) | |
3966 | printk(MPT2SAS_DEBUG_FMT ", discovery_status(0x%08x)", | |
3967 | ioc->name, le32_to_cpu(event_data->DiscoveryStatus)); | |
3968 | printk("\n"); | |
3969 | } | |
3970 | #endif | |
3971 | ||
3972 | if (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED && | |
3973 | !ioc->sas_hba.num_phys) | |
3974 | _scsih_sas_host_add(ioc); | |
3975 | } | |
3976 | ||
3977 | /** | |
3978 | * _scsih_reprobe_lun - reprobing lun | |
3979 | * @sdev: scsi device struct | |
3980 | * @no_uld_attach: sdev->no_uld_attach flag setting | |
3981 | * | |
3982 | **/ | |
3983 | static void | |
3984 | _scsih_reprobe_lun(struct scsi_device *sdev, void *no_uld_attach) | |
3985 | { | |
3986 | int rc; | |
3987 | ||
3988 | sdev->no_uld_attach = no_uld_attach ? 1 : 0; | |
3989 | sdev_printk(KERN_INFO, sdev, "%s raid component\n", | |
3990 | sdev->no_uld_attach ? "hidding" : "exposing"); | |
3991 | rc = scsi_device_reprobe(sdev); | |
3992 | } | |
3993 | ||
3994 | /** | |
3995 | * _scsih_reprobe_target - reprobing target | |
3996 | * @starget: scsi target struct | |
3997 | * @no_uld_attach: sdev->no_uld_attach flag setting | |
3998 | * | |
3999 | * Note: no_uld_attach flag determines whether the disk device is attached | |
4000 | * to block layer. A value of `1` means to not attach. | |
4001 | **/ | |
4002 | static void | |
4003 | _scsih_reprobe_target(struct scsi_target *starget, int no_uld_attach) | |
4004 | { | |
4005 | struct MPT2SAS_TARGET *sas_target_priv_data = starget->hostdata; | |
4006 | ||
4007 | if (no_uld_attach) | |
4008 | sas_target_priv_data->flags |= MPT_TARGET_FLAGS_RAID_COMPONENT; | |
4009 | else | |
4010 | sas_target_priv_data->flags &= ~MPT_TARGET_FLAGS_RAID_COMPONENT; | |
4011 | ||
4012 | starget_for_each_device(starget, no_uld_attach ? (void *)1 : NULL, | |
4013 | _scsih_reprobe_lun); | |
4014 | } | |
4015 | /** | |
4016 | * _scsih_sas_volume_add - add new volume | |
4017 | * @ioc: per adapter object | |
4018 | * @element: IR config element data | |
4019 | * Context: user. | |
4020 | * | |
4021 | * Return nothing. | |
4022 | */ | |
4023 | static void | |
4024 | _scsih_sas_volume_add(struct MPT2SAS_ADAPTER *ioc, | |
4025 | Mpi2EventIrConfigElement_t *element) | |
4026 | { | |
4027 | struct _raid_device *raid_device; | |
4028 | unsigned long flags; | |
4029 | u64 wwid; | |
4030 | u16 handle = le16_to_cpu(element->VolDevHandle); | |
4031 | int rc; | |
4032 | ||
4033 | #if 0 /* RAID_HACKS */ | |
4034 | if (le32_to_cpu(event_data->Flags) & | |
4035 | MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) | |
4036 | return; | |
4037 | #endif | |
4038 | ||
4039 | mpt2sas_config_get_volume_wwid(ioc, handle, &wwid); | |
4040 | if (!wwid) { | |
4041 | printk(MPT2SAS_ERR_FMT | |
4042 | "failure at %s:%d/%s()!\n", ioc->name, | |
4043 | __FILE__, __LINE__, __func__); | |
4044 | return; | |
4045 | } | |
4046 | ||
4047 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
4048 | raid_device = _scsih_raid_device_find_by_wwid(ioc, wwid); | |
4049 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
4050 | ||
4051 | if (raid_device) | |
4052 | return; | |
4053 | ||
4054 | raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL); | |
4055 | if (!raid_device) { | |
4056 | printk(MPT2SAS_ERR_FMT | |
4057 | "failure at %s:%d/%s()!\n", ioc->name, | |
4058 | __FILE__, __LINE__, __func__); | |
4059 | return; | |
4060 | } | |
4061 | ||
4062 | raid_device->id = ioc->sas_id++; | |
4063 | raid_device->channel = RAID_CHANNEL; | |
4064 | raid_device->handle = handle; | |
4065 | raid_device->wwid = wwid; | |
4066 | _scsih_raid_device_add(ioc, raid_device); | |
4067 | if (!ioc->wait_for_port_enable_to_complete) { | |
4068 | rc = scsi_add_device(ioc->shost, RAID_CHANNEL, | |
4069 | raid_device->id, 0); | |
4070 | if (rc) | |
4071 | _scsih_raid_device_remove(ioc, raid_device); | |
4072 | } else | |
4073 | _scsih_determine_boot_device(ioc, raid_device, 1); | |
4074 | } | |
4075 | ||
4076 | /** | |
4077 | * _scsih_sas_volume_delete - delete volume | |
4078 | * @ioc: per adapter object | |
4079 | * @element: IR config element data | |
4080 | * Context: user. | |
4081 | * | |
4082 | * Return nothing. | |
4083 | */ | |
4084 | static void | |
4085 | _scsih_sas_volume_delete(struct MPT2SAS_ADAPTER *ioc, | |
4086 | Mpi2EventIrConfigElement_t *element) | |
4087 | { | |
4088 | struct _raid_device *raid_device; | |
4089 | u16 handle = le16_to_cpu(element->VolDevHandle); | |
4090 | unsigned long flags; | |
4091 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
4092 | ||
4093 | #if 0 /* RAID_HACKS */ | |
4094 | if (le32_to_cpu(event_data->Flags) & | |
4095 | MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) | |
4096 | return; | |
4097 | #endif | |
4098 | ||
4099 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
4100 | raid_device = _scsih_raid_device_find_by_handle(ioc, handle); | |
4101 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
4102 | if (!raid_device) | |
4103 | return; | |
4104 | if (raid_device->starget) { | |
4105 | sas_target_priv_data = raid_device->starget->hostdata; | |
4106 | sas_target_priv_data->deleted = 1; | |
4107 | scsi_remove_target(&raid_device->starget->dev); | |
4108 | } | |
4109 | _scsih_raid_device_remove(ioc, raid_device); | |
4110 | } | |
4111 | ||
4112 | /** | |
4113 | * _scsih_sas_pd_expose - expose pd component to /dev/sdX | |
4114 | * @ioc: per adapter object | |
4115 | * @element: IR config element data | |
4116 | * Context: user. | |
4117 | * | |
4118 | * Return nothing. | |
4119 | */ | |
4120 | static void | |
4121 | _scsih_sas_pd_expose(struct MPT2SAS_ADAPTER *ioc, | |
4122 | Mpi2EventIrConfigElement_t *element) | |
4123 | { | |
4124 | struct _sas_device *sas_device; | |
4125 | unsigned long flags; | |
4126 | u16 handle = le16_to_cpu(element->PhysDiskDevHandle); | |
4127 | ||
4128 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
4129 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
4130 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4131 | if (!sas_device) | |
4132 | return; | |
4133 | ||
4134 | /* exposing raid component */ | |
4135 | sas_device->volume_handle = 0; | |
4136 | sas_device->volume_wwid = 0; | |
4137 | sas_device->hidden_raid_component = 0; | |
4138 | _scsih_reprobe_target(sas_device->starget, 0); | |
4139 | } | |
4140 | ||
4141 | /** | |
4142 | * _scsih_sas_pd_hide - hide pd component from /dev/sdX | |
4143 | * @ioc: per adapter object | |
4144 | * @element: IR config element data | |
4145 | * Context: user. | |
4146 | * | |
4147 | * Return nothing. | |
4148 | */ | |
4149 | static void | |
4150 | _scsih_sas_pd_hide(struct MPT2SAS_ADAPTER *ioc, | |
4151 | Mpi2EventIrConfigElement_t *element) | |
4152 | { | |
4153 | struct _sas_device *sas_device; | |
4154 | unsigned long flags; | |
4155 | u16 handle = le16_to_cpu(element->PhysDiskDevHandle); | |
4156 | ||
4157 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
4158 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
4159 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4160 | if (!sas_device) | |
4161 | return; | |
4162 | ||
4163 | /* hiding raid component */ | |
4164 | mpt2sas_config_get_volume_handle(ioc, handle, | |
4165 | &sas_device->volume_handle); | |
4166 | mpt2sas_config_get_volume_wwid(ioc, sas_device->volume_handle, | |
4167 | &sas_device->volume_wwid); | |
4168 | sas_device->hidden_raid_component = 1; | |
4169 | _scsih_reprobe_target(sas_device->starget, 1); | |
4170 | } | |
4171 | ||
4172 | /** | |
4173 | * _scsih_sas_pd_delete - delete pd component | |
4174 | * @ioc: per adapter object | |
4175 | * @element: IR config element data | |
4176 | * Context: user. | |
4177 | * | |
4178 | * Return nothing. | |
4179 | */ | |
4180 | static void | |
4181 | _scsih_sas_pd_delete(struct MPT2SAS_ADAPTER *ioc, | |
4182 | Mpi2EventIrConfigElement_t *element) | |
4183 | { | |
4184 | struct _sas_device *sas_device; | |
4185 | unsigned long flags; | |
4186 | u16 handle = le16_to_cpu(element->PhysDiskDevHandle); | |
4187 | ||
4188 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
4189 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
4190 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4191 | if (!sas_device) | |
4192 | return; | |
4193 | _scsih_remove_device(ioc, handle); | |
4194 | } | |
4195 | ||
4196 | /** | |
4197 | * _scsih_sas_pd_add - remove pd component | |
4198 | * @ioc: per adapter object | |
4199 | * @element: IR config element data | |
4200 | * Context: user. | |
4201 | * | |
4202 | * Return nothing. | |
4203 | */ | |
4204 | static void | |
4205 | _scsih_sas_pd_add(struct MPT2SAS_ADAPTER *ioc, | |
4206 | Mpi2EventIrConfigElement_t *element) | |
4207 | { | |
4208 | struct _sas_device *sas_device; | |
4209 | unsigned long flags; | |
4210 | u16 handle = le16_to_cpu(element->PhysDiskDevHandle); | |
4211 | ||
4212 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
4213 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
4214 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4215 | if (sas_device) | |
4216 | sas_device->hidden_raid_component = 1; | |
4217 | else | |
4218 | _scsih_add_device(ioc, handle, 0, 1); | |
4219 | } | |
4220 | ||
4221 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
4222 | /** | |
4223 | * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events | |
4224 | * @ioc: per adapter object | |
4225 | * @event_data: event data payload | |
4226 | * Context: user. | |
4227 | * | |
4228 | * Return nothing. | |
4229 | */ | |
4230 | static void | |
4231 | _scsih_sas_ir_config_change_event_debug(struct MPT2SAS_ADAPTER *ioc, | |
4232 | Mpi2EventDataIrConfigChangeList_t *event_data) | |
4233 | { | |
4234 | Mpi2EventIrConfigElement_t *element; | |
4235 | u8 element_type; | |
4236 | int i; | |
4237 | char *reason_str = NULL, *element_str = NULL; | |
4238 | ||
4239 | element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; | |
4240 | ||
4241 | printk(MPT2SAS_DEBUG_FMT "raid config change: (%s), elements(%d)\n", | |
4242 | ioc->name, (le32_to_cpu(event_data->Flags) & | |
4243 | MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? | |
4244 | "foreign" : "native", event_data->NumElements); | |
4245 | for (i = 0; i < event_data->NumElements; i++, element++) { | |
4246 | switch (element->ReasonCode) { | |
4247 | case MPI2_EVENT_IR_CHANGE_RC_ADDED: | |
4248 | reason_str = "add"; | |
4249 | break; | |
4250 | case MPI2_EVENT_IR_CHANGE_RC_REMOVED: | |
4251 | reason_str = "remove"; | |
4252 | break; | |
4253 | case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE: | |
4254 | reason_str = "no change"; | |
4255 | break; | |
4256 | case MPI2_EVENT_IR_CHANGE_RC_HIDE: | |
4257 | reason_str = "hide"; | |
4258 | break; | |
4259 | case MPI2_EVENT_IR_CHANGE_RC_UNHIDE: | |
4260 | reason_str = "unhide"; | |
4261 | break; | |
4262 | case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: | |
4263 | reason_str = "volume_created"; | |
4264 | break; | |
4265 | case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: | |
4266 | reason_str = "volume_deleted"; | |
4267 | break; | |
4268 | case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: | |
4269 | reason_str = "pd_created"; | |
4270 | break; | |
4271 | case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: | |
4272 | reason_str = "pd_deleted"; | |
4273 | break; | |
4274 | default: | |
4275 | reason_str = "unknown reason"; | |
4276 | break; | |
4277 | } | |
4278 | element_type = le16_to_cpu(element->ElementFlags) & | |
4279 | MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK; | |
4280 | switch (element_type) { | |
4281 | case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT: | |
4282 | element_str = "volume"; | |
4283 | break; | |
4284 | case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT: | |
4285 | element_str = "phys disk"; | |
4286 | break; | |
4287 | case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT: | |
4288 | element_str = "hot spare"; | |
4289 | break; | |
4290 | default: | |
4291 | element_str = "unknown element"; | |
4292 | break; | |
4293 | } | |
4294 | printk(KERN_DEBUG "\t(%s:%s), vol handle(0x%04x), " | |
4295 | "pd handle(0x%04x), pd num(0x%02x)\n", element_str, | |
4296 | reason_str, le16_to_cpu(element->VolDevHandle), | |
4297 | le16_to_cpu(element->PhysDiskDevHandle), | |
4298 | element->PhysDiskNum); | |
4299 | } | |
4300 | } | |
4301 | #endif | |
4302 | ||
4303 | /** | |
4304 | * _scsih_sas_ir_config_change_event - handle ir configuration change events | |
4305 | * @ioc: per adapter object | |
4306 | * @VF_ID: | |
4307 | * @event_data: event data payload | |
4308 | * Context: user. | |
4309 | * | |
4310 | * Return nothing. | |
4311 | */ | |
4312 | static void | |
4313 | _scsih_sas_ir_config_change_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, | |
4314 | Mpi2EventDataIrConfigChangeList_t *event_data) | |
4315 | { | |
4316 | Mpi2EventIrConfigElement_t *element; | |
4317 | int i; | |
4318 | ||
4319 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
4320 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) | |
4321 | _scsih_sas_ir_config_change_event_debug(ioc, event_data); | |
4322 | ||
4323 | #endif | |
4324 | ||
4325 | element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; | |
4326 | for (i = 0; i < event_data->NumElements; i++, element++) { | |
4327 | ||
4328 | switch (element->ReasonCode) { | |
4329 | case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: | |
4330 | case MPI2_EVENT_IR_CHANGE_RC_ADDED: | |
4331 | _scsih_sas_volume_add(ioc, element); | |
4332 | break; | |
4333 | case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: | |
4334 | case MPI2_EVENT_IR_CHANGE_RC_REMOVED: | |
4335 | _scsih_sas_volume_delete(ioc, element); | |
4336 | break; | |
4337 | case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: | |
4338 | _scsih_sas_pd_hide(ioc, element); | |
4339 | break; | |
4340 | case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: | |
4341 | _scsih_sas_pd_expose(ioc, element); | |
4342 | break; | |
4343 | case MPI2_EVENT_IR_CHANGE_RC_HIDE: | |
4344 | _scsih_sas_pd_add(ioc, element); | |
4345 | break; | |
4346 | case MPI2_EVENT_IR_CHANGE_RC_UNHIDE: | |
4347 | _scsih_sas_pd_delete(ioc, element); | |
4348 | break; | |
4349 | } | |
4350 | } | |
4351 | } | |
4352 | ||
4353 | /** | |
4354 | * _scsih_sas_ir_volume_event - IR volume event | |
4355 | * @ioc: per adapter object | |
4356 | * @event_data: event data payload | |
4357 | * Context: user. | |
4358 | * | |
4359 | * Return nothing. | |
4360 | */ | |
4361 | static void | |
4362 | _scsih_sas_ir_volume_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, | |
4363 | Mpi2EventDataIrVolume_t *event_data) | |
4364 | { | |
4365 | u64 wwid; | |
4366 | unsigned long flags; | |
4367 | struct _raid_device *raid_device; | |
4368 | u16 handle; | |
4369 | u32 state; | |
4370 | int rc; | |
4371 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
4372 | ||
4373 | if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED) | |
4374 | return; | |
4375 | ||
4376 | handle = le16_to_cpu(event_data->VolDevHandle); | |
4377 | state = le32_to_cpu(event_data->NewValue); | |
4378 | dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle(0x%04x), " | |
4379 | "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle, | |
4380 | le32_to_cpu(event_data->PreviousValue), state)); | |
4381 | ||
4382 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
4383 | raid_device = _scsih_raid_device_find_by_handle(ioc, handle); | |
4384 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
4385 | ||
4386 | switch (state) { | |
4387 | case MPI2_RAID_VOL_STATE_MISSING: | |
4388 | case MPI2_RAID_VOL_STATE_FAILED: | |
4389 | if (!raid_device) | |
4390 | break; | |
4391 | if (raid_device->starget) { | |
4392 | sas_target_priv_data = raid_device->starget->hostdata; | |
4393 | sas_target_priv_data->deleted = 1; | |
4394 | scsi_remove_target(&raid_device->starget->dev); | |
4395 | } | |
4396 | _scsih_raid_device_remove(ioc, raid_device); | |
4397 | break; | |
4398 | ||
4399 | case MPI2_RAID_VOL_STATE_ONLINE: | |
4400 | case MPI2_RAID_VOL_STATE_DEGRADED: | |
4401 | case MPI2_RAID_VOL_STATE_OPTIMAL: | |
4402 | if (raid_device) | |
4403 | break; | |
4404 | ||
4405 | mpt2sas_config_get_volume_wwid(ioc, handle, &wwid); | |
4406 | if (!wwid) { | |
4407 | printk(MPT2SAS_ERR_FMT | |
4408 | "failure at %s:%d/%s()!\n", ioc->name, | |
4409 | __FILE__, __LINE__, __func__); | |
4410 | break; | |
4411 | } | |
4412 | ||
4413 | raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL); | |
4414 | if (!raid_device) { | |
4415 | printk(MPT2SAS_ERR_FMT | |
4416 | "failure at %s:%d/%s()!\n", ioc->name, | |
4417 | __FILE__, __LINE__, __func__); | |
4418 | break; | |
4419 | } | |
4420 | ||
4421 | raid_device->id = ioc->sas_id++; | |
4422 | raid_device->channel = RAID_CHANNEL; | |
4423 | raid_device->handle = handle; | |
4424 | raid_device->wwid = wwid; | |
4425 | _scsih_raid_device_add(ioc, raid_device); | |
4426 | rc = scsi_add_device(ioc->shost, RAID_CHANNEL, | |
4427 | raid_device->id, 0); | |
4428 | if (rc) | |
4429 | _scsih_raid_device_remove(ioc, raid_device); | |
4430 | break; | |
4431 | ||
4432 | case MPI2_RAID_VOL_STATE_INITIALIZING: | |
4433 | default: | |
4434 | break; | |
4435 | } | |
4436 | } | |
4437 | ||
4438 | /** | |
4439 | * _scsih_sas_ir_physical_disk_event - PD event | |
4440 | * @ioc: per adapter object | |
4441 | * @event_data: event data payload | |
4442 | * Context: user. | |
4443 | * | |
4444 | * Return nothing. | |
4445 | */ | |
4446 | static void | |
4447 | _scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, | |
4448 | Mpi2EventDataIrPhysicalDisk_t *event_data) | |
4449 | { | |
4450 | u16 handle; | |
4451 | u32 state; | |
4452 | struct _sas_device *sas_device; | |
4453 | unsigned long flags; | |
4454 | ||
4455 | if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED) | |
4456 | return; | |
4457 | ||
4458 | handle = le16_to_cpu(event_data->PhysDiskDevHandle); | |
4459 | state = le32_to_cpu(event_data->NewValue); | |
4460 | ||
4461 | dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle(0x%04x), " | |
4462 | "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle, | |
4463 | le32_to_cpu(event_data->PreviousValue), state)); | |
4464 | ||
4465 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
4466 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
4467 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4468 | ||
4469 | switch (state) { | |
4470 | #if 0 | |
4471 | case MPI2_RAID_PD_STATE_OFFLINE: | |
4472 | if (sas_device) | |
4473 | _scsih_remove_device(ioc, handle); | |
4474 | break; | |
4475 | #endif | |
4476 | case MPI2_RAID_PD_STATE_ONLINE: | |
4477 | case MPI2_RAID_PD_STATE_DEGRADED: | |
4478 | case MPI2_RAID_PD_STATE_REBUILDING: | |
4479 | case MPI2_RAID_PD_STATE_OPTIMAL: | |
4480 | if (sas_device) | |
4481 | sas_device->hidden_raid_component = 1; | |
4482 | else | |
4483 | _scsih_add_device(ioc, handle, 0, 1); | |
4484 | break; | |
4485 | ||
4486 | case MPI2_RAID_PD_STATE_NOT_CONFIGURED: | |
4487 | case MPI2_RAID_PD_STATE_NOT_COMPATIBLE: | |
4488 | case MPI2_RAID_PD_STATE_HOT_SPARE: | |
4489 | default: | |
4490 | break; | |
4491 | } | |
4492 | } | |
4493 | ||
4494 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
4495 | /** | |
4496 | * _scsih_sas_ir_operation_status_event_debug - debug for IR op event | |
4497 | * @ioc: per adapter object | |
4498 | * @event_data: event data payload | |
4499 | * Context: user. | |
4500 | * | |
4501 | * Return nothing. | |
4502 | */ | |
4503 | static void | |
4504 | _scsih_sas_ir_operation_status_event_debug(struct MPT2SAS_ADAPTER *ioc, | |
4505 | Mpi2EventDataIrOperationStatus_t *event_data) | |
4506 | { | |
4507 | char *reason_str = NULL; | |
4508 | ||
4509 | switch (event_data->RAIDOperation) { | |
4510 | case MPI2_EVENT_IR_RAIDOP_RESYNC: | |
4511 | reason_str = "resync"; | |
4512 | break; | |
4513 | case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION: | |
4514 | reason_str = "online capacity expansion"; | |
4515 | break; | |
4516 | case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK: | |
4517 | reason_str = "consistency check"; | |
4518 | break; | |
4519 | default: | |
4520 | reason_str = "unknown reason"; | |
4521 | break; | |
4522 | } | |
4523 | ||
4524 | printk(MPT2SAS_INFO_FMT "raid operational status: (%s)" | |
4525 | "\thandle(0x%04x), percent complete(%d)\n", | |
4526 | ioc->name, reason_str, | |
4527 | le16_to_cpu(event_data->VolDevHandle), | |
4528 | event_data->PercentComplete); | |
4529 | } | |
4530 | #endif | |
4531 | ||
4532 | /** | |
4533 | * _scsih_sas_ir_operation_status_event - handle RAID operation events | |
4534 | * @ioc: per adapter object | |
4535 | * @VF_ID: | |
4536 | * @event_data: event data payload | |
4537 | * Context: user. | |
4538 | * | |
4539 | * Return nothing. | |
4540 | */ | |
4541 | static void | |
4542 | _scsih_sas_ir_operation_status_event(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, | |
4543 | Mpi2EventDataIrOperationStatus_t *event_data) | |
4544 | { | |
4545 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
4546 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) | |
4547 | _scsih_sas_ir_operation_status_event_debug(ioc, event_data); | |
4548 | #endif | |
4549 | } | |
4550 | ||
4551 | /** | |
4552 | * _scsih_task_set_full - handle task set full | |
4553 | * @ioc: per adapter object | |
4554 | * @event_data: event data payload | |
4555 | * Context: user. | |
4556 | * | |
4557 | * Throttle back qdepth. | |
4558 | */ | |
4559 | static void | |
4560 | _scsih_task_set_full(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, | |
4561 | Mpi2EventDataTaskSetFull_t *event_data) | |
4562 | { | |
4563 | unsigned long flags; | |
4564 | struct _sas_device *sas_device; | |
4565 | static struct _raid_device *raid_device; | |
4566 | struct scsi_device *sdev; | |
4567 | int depth; | |
4568 | u16 current_depth; | |
4569 | u16 handle; | |
4570 | int id, channel; | |
4571 | u64 sas_address; | |
4572 | ||
4573 | current_depth = le16_to_cpu(event_data->CurrentDepth); | |
4574 | handle = le16_to_cpu(event_data->DevHandle); | |
4575 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
4576 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
4577 | if (!sas_device) { | |
4578 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4579 | return; | |
4580 | } | |
4581 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4582 | id = sas_device->id; | |
4583 | channel = sas_device->channel; | |
4584 | sas_address = sas_device->sas_address; | |
4585 | ||
4586 | /* if hidden raid component, then change to volume characteristics */ | |
4587 | if (sas_device->hidden_raid_component && sas_device->volume_handle) { | |
4588 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
4589 | raid_device = _scsih_raid_device_find_by_handle( | |
4590 | ioc, sas_device->volume_handle); | |
4591 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
4592 | if (raid_device) { | |
4593 | id = raid_device->id; | |
4594 | channel = raid_device->channel; | |
4595 | handle = raid_device->handle; | |
4596 | sas_address = raid_device->wwid; | |
4597 | } | |
4598 | } | |
4599 | ||
4600 | if (ioc->logging_level & MPT_DEBUG_TASK_SET_FULL) | |
4601 | starget_printk(KERN_DEBUG, sas_device->starget, "task set " | |
4602 | "full: handle(0x%04x), sas_addr(0x%016llx), depth(%d)\n", | |
4603 | handle, (unsigned long long)sas_address, current_depth); | |
4604 | ||
4605 | shost_for_each_device(sdev, ioc->shost) { | |
4606 | if (sdev->id == id && sdev->channel == channel) { | |
4607 | if (current_depth > sdev->queue_depth) { | |
4608 | if (ioc->logging_level & | |
4609 | MPT_DEBUG_TASK_SET_FULL) | |
4610 | sdev_printk(KERN_INFO, sdev, "strange " | |
4611 | "observation, the queue depth is" | |
4612 | " (%d) meanwhile fw queue depth " | |
4613 | "is (%d)\n", sdev->queue_depth, | |
4614 | current_depth); | |
4615 | continue; | |
4616 | } | |
4617 | depth = scsi_track_queue_full(sdev, | |
4618 | current_depth - 1); | |
4619 | if (depth > 0) | |
4620 | sdev_printk(KERN_INFO, sdev, "Queue depth " | |
4621 | "reduced to (%d)\n", depth); | |
4622 | else if (depth < 0) | |
4623 | sdev_printk(KERN_INFO, sdev, "Tagged Command " | |
4624 | "Queueing is being disabled\n"); | |
4625 | else if (depth == 0) | |
4626 | if (ioc->logging_level & | |
4627 | MPT_DEBUG_TASK_SET_FULL) | |
4628 | sdev_printk(KERN_INFO, sdev, | |
4629 | "Queue depth not changed yet\n"); | |
4630 | } | |
4631 | } | |
4632 | } | |
4633 | ||
4634 | /** | |
4635 | * _scsih_mark_responding_sas_device - mark a sas_devices as responding | |
4636 | * @ioc: per adapter object | |
4637 | * @sas_address: sas address | |
4638 | * @slot: enclosure slot id | |
4639 | * @handle: device handle | |
4640 | * | |
4641 | * After host reset, find out whether devices are still responding. | |
4642 | * Used in _scsi_remove_unresponsive_sas_devices. | |
4643 | * | |
4644 | * Return nothing. | |
4645 | */ | |
4646 | static void | |
4647 | _scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, | |
4648 | u16 slot, u16 handle) | |
4649 | { | |
4650 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
4651 | struct scsi_target *starget; | |
4652 | struct _sas_device *sas_device; | |
4653 | unsigned long flags; | |
4654 | ||
4655 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
4656 | list_for_each_entry(sas_device, &ioc->sas_device_list, list) { | |
4657 | if (sas_device->sas_address == sas_address && | |
4658 | sas_device->slot == slot && sas_device->starget) { | |
4659 | sas_device->responding = 1; | |
4660 | starget_printk(KERN_INFO, sas_device->starget, | |
4661 | "handle(0x%04x), sas_addr(0x%016llx), enclosure " | |
4662 | "logical id(0x%016llx), slot(%d)\n", handle, | |
4663 | (unsigned long long)sas_device->sas_address, | |
4664 | (unsigned long long) | |
4665 | sas_device->enclosure_logical_id, | |
4666 | sas_device->slot); | |
4667 | if (sas_device->handle == handle) | |
4668 | goto out; | |
4669 | printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n", | |
4670 | sas_device->handle); | |
4671 | sas_device->handle = handle; | |
4672 | starget = sas_device->starget; | |
4673 | sas_target_priv_data = starget->hostdata; | |
4674 | sas_target_priv_data->handle = handle; | |
4675 | goto out; | |
4676 | } | |
4677 | } | |
4678 | out: | |
4679 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4680 | } | |
4681 | ||
4682 | /** | |
4683 | * _scsih_search_responding_sas_devices - | |
4684 | * @ioc: per adapter object | |
4685 | * | |
4686 | * After host reset, find out whether devices are still responding. | |
4687 | * If not remove. | |
4688 | * | |
4689 | * Return nothing. | |
4690 | */ | |
4691 | static void | |
4692 | _scsih_search_responding_sas_devices(struct MPT2SAS_ADAPTER *ioc) | |
4693 | { | |
4694 | Mpi2SasDevicePage0_t sas_device_pg0; | |
4695 | Mpi2ConfigReply_t mpi_reply; | |
4696 | u16 ioc_status; | |
4697 | __le64 sas_address; | |
4698 | u16 handle; | |
4699 | u32 device_info; | |
4700 | u16 slot; | |
4701 | ||
4702 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__); | |
4703 | ||
4704 | if (list_empty(&ioc->sas_device_list)) | |
4705 | return; | |
4706 | ||
4707 | handle = 0xFFFF; | |
4708 | while (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, | |
4709 | &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, | |
4710 | handle))) { | |
4711 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
4712 | MPI2_IOCSTATUS_MASK; | |
4713 | if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) | |
4714 | break; | |
4715 | handle = le16_to_cpu(sas_device_pg0.DevHandle); | |
4716 | device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); | |
4717 | if (!(_scsih_is_end_device(device_info))) | |
4718 | continue; | |
4719 | sas_address = le64_to_cpu(sas_device_pg0.SASAddress); | |
4720 | slot = le16_to_cpu(sas_device_pg0.Slot); | |
4721 | _scsih_mark_responding_sas_device(ioc, sas_address, slot, | |
4722 | handle); | |
4723 | } | |
4724 | } | |
4725 | ||
4726 | /** | |
4727 | * _scsih_mark_responding_raid_device - mark a raid_device as responding | |
4728 | * @ioc: per adapter object | |
4729 | * @wwid: world wide identifier for raid volume | |
4730 | * @handle: device handle | |
4731 | * | |
4732 | * After host reset, find out whether devices are still responding. | |
4733 | * Used in _scsi_remove_unresponsive_raid_devices. | |
4734 | * | |
4735 | * Return nothing. | |
4736 | */ | |
4737 | static void | |
4738 | _scsih_mark_responding_raid_device(struct MPT2SAS_ADAPTER *ioc, u64 wwid, | |
4739 | u16 handle) | |
4740 | { | |
4741 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
4742 | struct scsi_target *starget; | |
4743 | struct _raid_device *raid_device; | |
4744 | unsigned long flags; | |
4745 | ||
4746 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
4747 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { | |
4748 | if (raid_device->wwid == wwid && raid_device->starget) { | |
4749 | raid_device->responding = 1; | |
4750 | starget_printk(KERN_INFO, raid_device->starget, | |
4751 | "handle(0x%04x), wwid(0x%016llx)\n", handle, | |
4752 | (unsigned long long)raid_device->wwid); | |
4753 | if (raid_device->handle == handle) | |
4754 | goto out; | |
4755 | printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n", | |
4756 | raid_device->handle); | |
4757 | raid_device->handle = handle; | |
4758 | starget = raid_device->starget; | |
4759 | sas_target_priv_data = starget->hostdata; | |
4760 | sas_target_priv_data->handle = handle; | |
4761 | goto out; | |
4762 | } | |
4763 | } | |
4764 | out: | |
4765 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
4766 | } | |
4767 | ||
4768 | /** | |
4769 | * _scsih_search_responding_raid_devices - | |
4770 | * @ioc: per adapter object | |
4771 | * | |
4772 | * After host reset, find out whether devices are still responding. | |
4773 | * If not remove. | |
4774 | * | |
4775 | * Return nothing. | |
4776 | */ | |
4777 | static void | |
4778 | _scsih_search_responding_raid_devices(struct MPT2SAS_ADAPTER *ioc) | |
4779 | { | |
4780 | Mpi2RaidVolPage1_t volume_pg1; | |
4781 | Mpi2ConfigReply_t mpi_reply; | |
4782 | u16 ioc_status; | |
4783 | u16 handle; | |
4784 | ||
4785 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__); | |
4786 | ||
4787 | if (list_empty(&ioc->raid_device_list)) | |
4788 | return; | |
4789 | ||
4790 | handle = 0xFFFF; | |
4791 | while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply, | |
4792 | &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) { | |
4793 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
4794 | MPI2_IOCSTATUS_MASK; | |
4795 | if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) | |
4796 | break; | |
4797 | handle = le16_to_cpu(volume_pg1.DevHandle); | |
4798 | _scsih_mark_responding_raid_device(ioc, | |
4799 | le64_to_cpu(volume_pg1.WWID), handle); | |
4800 | } | |
4801 | } | |
4802 | ||
4803 | /** | |
4804 | * _scsih_mark_responding_expander - mark a expander as responding | |
4805 | * @ioc: per adapter object | |
4806 | * @sas_address: sas address | |
4807 | * @handle: | |
4808 | * | |
4809 | * After host reset, find out whether devices are still responding. | |
4810 | * Used in _scsi_remove_unresponsive_expanders. | |
4811 | * | |
4812 | * Return nothing. | |
4813 | */ | |
4814 | static void | |
4815 | _scsih_mark_responding_expander(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, | |
4816 | u16 handle) | |
4817 | { | |
4818 | struct _sas_node *sas_expander; | |
4819 | unsigned long flags; | |
4820 | ||
4821 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
4822 | list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { | |
4823 | if (sas_expander->sas_address == sas_address) { | |
4824 | sas_expander->responding = 1; | |
4825 | if (sas_expander->handle != handle) { | |
4826 | printk(KERN_INFO "old handle(0x%04x)\n", | |
4827 | sas_expander->handle); | |
4828 | sas_expander->handle = handle; | |
4829 | } | |
4830 | goto out; | |
4831 | } | |
4832 | } | |
4833 | out: | |
4834 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
4835 | } | |
4836 | ||
4837 | /** | |
4838 | * _scsih_search_responding_expanders - | |
4839 | * @ioc: per adapter object | |
4840 | * | |
4841 | * After host reset, find out whether devices are still responding. | |
4842 | * If not remove. | |
4843 | * | |
4844 | * Return nothing. | |
4845 | */ | |
4846 | static void | |
4847 | _scsih_search_responding_expanders(struct MPT2SAS_ADAPTER *ioc) | |
4848 | { | |
4849 | Mpi2ExpanderPage0_t expander_pg0; | |
4850 | Mpi2ConfigReply_t mpi_reply; | |
4851 | u16 ioc_status; | |
4852 | __le64 sas_address; | |
4853 | u16 handle; | |
4854 | ||
4855 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__); | |
4856 | ||
4857 | if (list_empty(&ioc->sas_expander_list)) | |
4858 | return; | |
4859 | ||
4860 | handle = 0xFFFF; | |
4861 | while (!(mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, | |
4862 | MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) { | |
4863 | ||
4864 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
4865 | MPI2_IOCSTATUS_MASK; | |
4866 | if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) | |
4867 | break; | |
4868 | ||
4869 | handle = le16_to_cpu(expander_pg0.DevHandle); | |
4870 | sas_address = le64_to_cpu(expander_pg0.SASAddress); | |
4871 | printk(KERN_INFO "\texpander present: handle(0x%04x), " | |
4872 | "sas_addr(0x%016llx)\n", handle, | |
4873 | (unsigned long long)sas_address); | |
4874 | _scsih_mark_responding_expander(ioc, sas_address, handle); | |
4875 | } | |
4876 | ||
4877 | } | |
4878 | ||
4879 | /** | |
4880 | * _scsih_remove_unresponding_devices - removing unresponding devices | |
4881 | * @ioc: per adapter object | |
4882 | * | |
4883 | * Return nothing. | |
4884 | */ | |
4885 | static void | |
4886 | _scsih_remove_unresponding_devices(struct MPT2SAS_ADAPTER *ioc) | |
4887 | { | |
4888 | struct _sas_device *sas_device, *sas_device_next; | |
4889 | struct _sas_node *sas_expander, *sas_expander_next; | |
4890 | struct _raid_device *raid_device, *raid_device_next; | |
4891 | unsigned long flags; | |
4892 | ||
4893 | _scsih_search_responding_sas_devices(ioc); | |
4894 | _scsih_search_responding_raid_devices(ioc); | |
4895 | _scsih_search_responding_expanders(ioc); | |
4896 | ||
4897 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
4898 | ioc->shost_recovery = 0; | |
4899 | if (ioc->shost->shost_state == SHOST_RECOVERY) { | |
4900 | printk(MPT2SAS_INFO_FMT "putting controller into " | |
4901 | "SHOST_RUNNING\n", ioc->name); | |
4902 | scsi_host_set_state(ioc->shost, SHOST_RUNNING); | |
4903 | } | |
4904 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
4905 | ||
4906 | list_for_each_entry_safe(sas_device, sas_device_next, | |
4907 | &ioc->sas_device_list, list) { | |
4908 | if (sas_device->responding) { | |
4909 | sas_device->responding = 0; | |
4910 | continue; | |
4911 | } | |
4912 | if (sas_device->starget) | |
4913 | starget_printk(KERN_INFO, sas_device->starget, | |
4914 | "removing: handle(0x%04x), sas_addr(0x%016llx), " | |
4915 | "enclosure logical id(0x%016llx), slot(%d)\n", | |
4916 | sas_device->handle, | |
4917 | (unsigned long long)sas_device->sas_address, | |
4918 | (unsigned long long) | |
4919 | sas_device->enclosure_logical_id, | |
4920 | sas_device->slot); | |
4921 | _scsih_remove_device(ioc, sas_device->handle); | |
4922 | } | |
4923 | ||
4924 | list_for_each_entry_safe(raid_device, raid_device_next, | |
4925 | &ioc->raid_device_list, list) { | |
4926 | if (raid_device->responding) { | |
4927 | raid_device->responding = 0; | |
4928 | continue; | |
4929 | } | |
4930 | if (raid_device->starget) { | |
4931 | starget_printk(KERN_INFO, raid_device->starget, | |
4932 | "removing: handle(0x%04x), wwid(0x%016llx)\n", | |
4933 | raid_device->handle, | |
4934 | (unsigned long long)raid_device->wwid); | |
4935 | scsi_remove_target(&raid_device->starget->dev); | |
4936 | } | |
4937 | _scsih_raid_device_remove(ioc, raid_device); | |
4938 | } | |
4939 | ||
4940 | list_for_each_entry_safe(sas_expander, sas_expander_next, | |
4941 | &ioc->sas_expander_list, list) { | |
4942 | if (sas_expander->responding) { | |
4943 | sas_expander->responding = 0; | |
4944 | continue; | |
4945 | } | |
4946 | printk("\tremoving expander: handle(0x%04x), " | |
4947 | " sas_addr(0x%016llx)\n", sas_expander->handle, | |
4948 | (unsigned long long)sas_expander->sas_address); | |
4949 | _scsih_expander_remove(ioc, sas_expander->handle); | |
4950 | } | |
4951 | } | |
4952 | ||
4953 | /** | |
4954 | * _firmware_event_work - delayed task for processing firmware events | |
4955 | * @ioc: per adapter object | |
4956 | * @work: equal to the fw_event_work object | |
4957 | * Context: user. | |
4958 | * | |
4959 | * Return nothing. | |
4960 | */ | |
4961 | static void | |
4962 | _firmware_event_work(struct work_struct *work) | |
4963 | { | |
4964 | struct fw_event_work *fw_event = container_of(work, | |
4965 | struct fw_event_work, work.work); | |
4966 | unsigned long flags; | |
4967 | struct MPT2SAS_ADAPTER *ioc = fw_event->ioc; | |
4968 | ||
4969 | /* This is invoked by calling _scsih_queue_rescan(). */ | |
4970 | if (fw_event->event == MPT2SAS_RESCAN_AFTER_HOST_RESET) { | |
4971 | _scsih_fw_event_free(ioc, fw_event); | |
4972 | _scsih_sas_host_refresh(ioc, 1); | |
4973 | _scsih_remove_unresponding_devices(ioc); | |
4974 | return; | |
4975 | } | |
4976 | ||
4977 | /* the queue is being flushed so ignore this event */ | |
4978 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
4979 | if (ioc->fw_events_off || ioc->remove_host) { | |
4980 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
4981 | _scsih_fw_event_free(ioc, fw_event); | |
4982 | return; | |
4983 | } | |
4984 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
4985 | ||
4986 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
4987 | if (ioc->shost_recovery) { | |
4988 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
4989 | _scsih_fw_event_requeue(ioc, fw_event, 1000); | |
4990 | return; | |
4991 | } | |
4992 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); | |
4993 | ||
4994 | switch (fw_event->event) { | |
4995 | case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: | |
4996 | _scsih_sas_topology_change_event(ioc, fw_event->VF_ID, | |
4997 | fw_event->event_data, fw_event); | |
4998 | break; | |
4999 | case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: | |
5000 | _scsih_sas_device_status_change_event(ioc, fw_event->VF_ID, | |
5001 | fw_event->event_data); | |
5002 | break; | |
5003 | case MPI2_EVENT_SAS_DISCOVERY: | |
5004 | _scsih_sas_discovery_event(ioc, fw_event->VF_ID, | |
5005 | fw_event->event_data); | |
5006 | break; | |
5007 | case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: | |
5008 | _scsih_sas_broadcast_primative_event(ioc, fw_event->VF_ID, | |
5009 | fw_event->event_data); | |
5010 | break; | |
5011 | case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: | |
5012 | _scsih_sas_enclosure_dev_status_change_event(ioc, | |
5013 | fw_event->VF_ID, fw_event->event_data); | |
5014 | break; | |
5015 | case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: | |
5016 | _scsih_sas_ir_config_change_event(ioc, fw_event->VF_ID, | |
5017 | fw_event->event_data); | |
5018 | break; | |
5019 | case MPI2_EVENT_IR_VOLUME: | |
5020 | _scsih_sas_ir_volume_event(ioc, fw_event->VF_ID, | |
5021 | fw_event->event_data); | |
5022 | break; | |
5023 | case MPI2_EVENT_IR_PHYSICAL_DISK: | |
5024 | _scsih_sas_ir_physical_disk_event(ioc, fw_event->VF_ID, | |
5025 | fw_event->event_data); | |
5026 | break; | |
5027 | case MPI2_EVENT_IR_OPERATION_STATUS: | |
5028 | _scsih_sas_ir_operation_status_event(ioc, fw_event->VF_ID, | |
5029 | fw_event->event_data); | |
5030 | break; | |
5031 | case MPI2_EVENT_TASK_SET_FULL: | |
5032 | _scsih_task_set_full(ioc, fw_event->VF_ID, | |
5033 | fw_event->event_data); | |
5034 | break; | |
5035 | } | |
5036 | _scsih_fw_event_free(ioc, fw_event); | |
5037 | } | |
5038 | ||
5039 | /** | |
5040 | * mpt2sas_scsih_event_callback - firmware event handler (called at ISR time) | |
5041 | * @ioc: per adapter object | |
5042 | * @VF_ID: virtual function id | |
5043 | * @reply: reply message frame(lower 32bit addr) | |
5044 | * Context: interrupt. | |
5045 | * | |
5046 | * This function merely adds a new work task into ioc->firmware_event_thread. | |
5047 | * The tasks are worked from _firmware_event_work in user context. | |
5048 | * | |
5049 | * Return nothing. | |
5050 | */ | |
5051 | void | |
5052 | mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 VF_ID, u32 reply) | |
5053 | { | |
5054 | struct fw_event_work *fw_event; | |
5055 | Mpi2EventNotificationReply_t *mpi_reply; | |
5056 | unsigned long flags; | |
5057 | u16 event; | |
5058 | ||
5059 | /* events turned off due to host reset or driver unloading */ | |
5060 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
5061 | if (ioc->fw_events_off || ioc->remove_host) { | |
5062 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
5063 | return; | |
5064 | } | |
5065 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
5066 | ||
5067 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
5068 | event = le16_to_cpu(mpi_reply->Event); | |
5069 | ||
5070 | switch (event) { | |
5071 | /* handle these */ | |
5072 | case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: | |
5073 | { | |
5074 | Mpi2EventDataSasBroadcastPrimitive_t *baen_data = | |
5075 | (Mpi2EventDataSasBroadcastPrimitive_t *) | |
5076 | mpi_reply->EventData; | |
5077 | ||
5078 | if (baen_data->Primitive != | |
5079 | MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT || | |
5080 | ioc->broadcast_aen_busy) | |
5081 | return; | |
5082 | ioc->broadcast_aen_busy = 1; | |
5083 | break; | |
5084 | } | |
5085 | ||
5086 | case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: | |
5087 | _scsih_check_topo_delete_events(ioc, | |
5088 | (Mpi2EventDataSasTopologyChangeList_t *) | |
5089 | mpi_reply->EventData); | |
5090 | break; | |
5091 | ||
5092 | case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: | |
5093 | case MPI2_EVENT_IR_OPERATION_STATUS: | |
5094 | case MPI2_EVENT_SAS_DISCOVERY: | |
5095 | case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: | |
5096 | case MPI2_EVENT_IR_VOLUME: | |
5097 | case MPI2_EVENT_IR_PHYSICAL_DISK: | |
5098 | case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: | |
5099 | case MPI2_EVENT_TASK_SET_FULL: | |
5100 | break; | |
5101 | ||
5102 | default: /* ignore the rest */ | |
5103 | return; | |
5104 | } | |
5105 | ||
5106 | fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC); | |
5107 | if (!fw_event) { | |
5108 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
5109 | ioc->name, __FILE__, __LINE__, __func__); | |
5110 | return; | |
5111 | } | |
5112 | fw_event->event_data = | |
5113 | kzalloc(mpi_reply->EventDataLength*4, GFP_ATOMIC); | |
5114 | if (!fw_event->event_data) { | |
5115 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
5116 | ioc->name, __FILE__, __LINE__, __func__); | |
5117 | kfree(fw_event); | |
5118 | return; | |
5119 | } | |
5120 | ||
5121 | memcpy(fw_event->event_data, mpi_reply->EventData, | |
5122 | mpi_reply->EventDataLength*4); | |
5123 | fw_event->ioc = ioc; | |
5124 | fw_event->VF_ID = VF_ID; | |
5125 | fw_event->event = event; | |
5126 | _scsih_fw_event_add(ioc, fw_event); | |
5127 | } | |
5128 | ||
5129 | /* shost template */ | |
5130 | static struct scsi_host_template scsih_driver_template = { | |
5131 | .module = THIS_MODULE, | |
5132 | .name = "Fusion MPT SAS Host", | |
5133 | .proc_name = MPT2SAS_DRIVER_NAME, | |
5134 | .queuecommand = scsih_qcmd, | |
5135 | .target_alloc = scsih_target_alloc, | |
5136 | .slave_alloc = scsih_slave_alloc, | |
5137 | .slave_configure = scsih_slave_configure, | |
5138 | .target_destroy = scsih_target_destroy, | |
5139 | .slave_destroy = scsih_slave_destroy, | |
5140 | .change_queue_depth = scsih_change_queue_depth, | |
5141 | .change_queue_type = scsih_change_queue_type, | |
5142 | .eh_abort_handler = scsih_abort, | |
5143 | .eh_device_reset_handler = scsih_dev_reset, | |
5144 | .eh_host_reset_handler = scsih_host_reset, | |
5145 | .bios_param = scsih_bios_param, | |
5146 | .can_queue = 1, | |
5147 | .this_id = -1, | |
5148 | .sg_tablesize = MPT2SAS_SG_DEPTH, | |
5149 | .max_sectors = 8192, | |
5150 | .cmd_per_lun = 7, | |
5151 | .use_clustering = ENABLE_CLUSTERING, | |
5152 | .shost_attrs = mpt2sas_host_attrs, | |
5153 | .sdev_attrs = mpt2sas_dev_attrs, | |
5154 | }; | |
5155 | ||
5156 | /** | |
5157 | * _scsih_expander_node_remove - removing expander device from list. | |
5158 | * @ioc: per adapter object | |
5159 | * @sas_expander: the sas_device object | |
5160 | * Context: Calling function should acquire ioc->sas_node_lock. | |
5161 | * | |
5162 | * Removing object and freeing associated memory from the | |
5163 | * ioc->sas_expander_list. | |
5164 | * | |
5165 | * Return nothing. | |
5166 | */ | |
5167 | static void | |
5168 | _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc, | |
5169 | struct _sas_node *sas_expander) | |
5170 | { | |
5171 | struct _sas_port *mpt2sas_port; | |
5172 | struct _sas_device *sas_device; | |
5173 | struct _sas_node *expander_sibling; | |
5174 | unsigned long flags; | |
5175 | ||
5176 | if (!sas_expander) | |
5177 | return; | |
5178 | ||
5179 | /* remove sibling ports attached to this expander */ | |
5180 | retry_device_search: | |
5181 | list_for_each_entry(mpt2sas_port, | |
5182 | &sas_expander->sas_port_list, port_list) { | |
5183 | if (mpt2sas_port->remote_identify.device_type == | |
5184 | SAS_END_DEVICE) { | |
5185 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
5186 | sas_device = | |
5187 | mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
5188 | mpt2sas_port->remote_identify.sas_address); | |
5189 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
5190 | if (!sas_device) | |
5191 | continue; | |
5192 | _scsih_remove_device(ioc, sas_device->handle); | |
5193 | goto retry_device_search; | |
5194 | } | |
5195 | } | |
5196 | ||
5197 | retry_expander_search: | |
5198 | list_for_each_entry(mpt2sas_port, | |
5199 | &sas_expander->sas_port_list, port_list) { | |
5200 | ||
5201 | if (mpt2sas_port->remote_identify.device_type == | |
5202 | MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER || | |
5203 | mpt2sas_port->remote_identify.device_type == | |
5204 | MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER) { | |
5205 | ||
5206 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
5207 | expander_sibling = | |
5208 | mpt2sas_scsih_expander_find_by_sas_address( | |
5209 | ioc, mpt2sas_port->remote_identify.sas_address); | |
5210 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
5211 | if (!expander_sibling) | |
5212 | continue; | |
5213 | _scsih_expander_remove(ioc, expander_sibling->handle); | |
5214 | goto retry_expander_search; | |
5215 | } | |
5216 | } | |
5217 | ||
5218 | mpt2sas_transport_port_remove(ioc, sas_expander->sas_address, | |
5219 | sas_expander->parent_handle); | |
5220 | ||
5221 | printk(MPT2SAS_INFO_FMT "expander_remove: handle" | |
5222 | "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, | |
5223 | sas_expander->handle, (unsigned long long) | |
5224 | sas_expander->sas_address); | |
5225 | ||
5226 | list_del(&sas_expander->list); | |
5227 | kfree(sas_expander->phy); | |
5228 | kfree(sas_expander); | |
5229 | } | |
5230 | ||
5231 | /** | |
5232 | * scsih_remove - detach and remove add host | |
5233 | * @pdev: PCI device struct | |
5234 | * | |
5235 | * Return nothing. | |
5236 | */ | |
5237 | static void __devexit | |
5238 | scsih_remove(struct pci_dev *pdev) | |
5239 | { | |
5240 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
5241 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
5242 | struct _sas_port *mpt2sas_port; | |
5243 | struct _sas_device *sas_device; | |
5244 | struct _sas_node *expander_sibling; | |
5245 | struct workqueue_struct *wq; | |
5246 | unsigned long flags; | |
5247 | ||
5248 | ioc->remove_host = 1; | |
5249 | _scsih_fw_event_off(ioc); | |
5250 | ||
5251 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
5252 | wq = ioc->firmware_event_thread; | |
5253 | ioc->firmware_event_thread = NULL; | |
5254 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
5255 | if (wq) | |
5256 | destroy_workqueue(wq); | |
5257 | ||
5258 | /* free ports attached to the sas_host */ | |
5259 | retry_again: | |
5260 | list_for_each_entry(mpt2sas_port, | |
5261 | &ioc->sas_hba.sas_port_list, port_list) { | |
5262 | if (mpt2sas_port->remote_identify.device_type == | |
5263 | SAS_END_DEVICE) { | |
5264 | sas_device = | |
5265 | mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
5266 | mpt2sas_port->remote_identify.sas_address); | |
5267 | if (sas_device) { | |
5268 | _scsih_remove_device(ioc, sas_device->handle); | |
5269 | goto retry_again; | |
5270 | } | |
5271 | } else { | |
5272 | expander_sibling = | |
5273 | mpt2sas_scsih_expander_find_by_sas_address(ioc, | |
5274 | mpt2sas_port->remote_identify.sas_address); | |
5275 | if (expander_sibling) { | |
5276 | _scsih_expander_remove(ioc, | |
5277 | expander_sibling->handle); | |
5278 | goto retry_again; | |
5279 | } | |
5280 | } | |
5281 | } | |
5282 | ||
5283 | /* free phys attached to the sas_host */ | |
5284 | if (ioc->sas_hba.num_phys) { | |
5285 | kfree(ioc->sas_hba.phy); | |
5286 | ioc->sas_hba.phy = NULL; | |
5287 | ioc->sas_hba.num_phys = 0; | |
5288 | } | |
5289 | ||
5290 | sas_remove_host(shost); | |
5291 | mpt2sas_base_detach(ioc); | |
5292 | list_del(&ioc->list); | |
5293 | scsi_remove_host(shost); | |
5294 | scsi_host_put(shost); | |
5295 | } | |
5296 | ||
5297 | /** | |
5298 | * _scsih_probe_boot_devices - reports 1st device | |
5299 | * @ioc: per adapter object | |
5300 | * | |
5301 | * If specified in bios page 2, this routine reports the 1st | |
5302 | * device scsi-ml or sas transport for persistent boot device | |
5303 | * purposes. Please refer to function _scsih_determine_boot_device() | |
5304 | */ | |
5305 | static void | |
5306 | _scsih_probe_boot_devices(struct MPT2SAS_ADAPTER *ioc) | |
5307 | { | |
5308 | u8 is_raid; | |
5309 | void *device; | |
5310 | struct _sas_device *sas_device; | |
5311 | struct _raid_device *raid_device; | |
5312 | u16 handle, parent_handle; | |
5313 | u64 sas_address; | |
5314 | unsigned long flags; | |
5315 | int rc; | |
5316 | ||
5317 | device = NULL; | |
5318 | if (ioc->req_boot_device.device) { | |
5319 | device = ioc->req_boot_device.device; | |
5320 | is_raid = ioc->req_boot_device.is_raid; | |
5321 | } else if (ioc->req_alt_boot_device.device) { | |
5322 | device = ioc->req_alt_boot_device.device; | |
5323 | is_raid = ioc->req_alt_boot_device.is_raid; | |
5324 | } else if (ioc->current_boot_device.device) { | |
5325 | device = ioc->current_boot_device.device; | |
5326 | is_raid = ioc->current_boot_device.is_raid; | |
5327 | } | |
5328 | ||
5329 | if (!device) | |
5330 | return; | |
5331 | ||
5332 | if (is_raid) { | |
5333 | raid_device = device; | |
5334 | rc = scsi_add_device(ioc->shost, RAID_CHANNEL, | |
5335 | raid_device->id, 0); | |
5336 | if (rc) | |
5337 | _scsih_raid_device_remove(ioc, raid_device); | |
5338 | } else { | |
5339 | sas_device = device; | |
5340 | handle = sas_device->handle; | |
5341 | parent_handle = sas_device->parent_handle; | |
5342 | sas_address = sas_device->sas_address; | |
5343 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
5344 | list_move_tail(&sas_device->list, &ioc->sas_device_list); | |
5345 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
5346 | if (!mpt2sas_transport_port_add(ioc, sas_device->handle, | |
5347 | sas_device->parent_handle)) { | |
5348 | _scsih_sas_device_remove(ioc, sas_device); | |
5349 | } else if (!sas_device->starget) { | |
5350 | mpt2sas_transport_port_remove(ioc, sas_address, | |
5351 | parent_handle); | |
5352 | _scsih_sas_device_remove(ioc, sas_device); | |
5353 | } | |
5354 | } | |
5355 | } | |
5356 | ||
5357 | /** | |
5358 | * _scsih_probe_raid - reporting raid volumes to scsi-ml | |
5359 | * @ioc: per adapter object | |
5360 | * | |
5361 | * Called during initial loading of the driver. | |
5362 | */ | |
5363 | static void | |
5364 | _scsih_probe_raid(struct MPT2SAS_ADAPTER *ioc) | |
5365 | { | |
5366 | struct _raid_device *raid_device, *raid_next; | |
5367 | int rc; | |
5368 | ||
5369 | list_for_each_entry_safe(raid_device, raid_next, | |
5370 | &ioc->raid_device_list, list) { | |
5371 | if (raid_device->starget) | |
5372 | continue; | |
5373 | rc = scsi_add_device(ioc->shost, RAID_CHANNEL, | |
5374 | raid_device->id, 0); | |
5375 | if (rc) | |
5376 | _scsih_raid_device_remove(ioc, raid_device); | |
5377 | } | |
5378 | } | |
5379 | ||
5380 | /** | |
5381 | * _scsih_probe_sas - reporting raid volumes to sas transport | |
5382 | * @ioc: per adapter object | |
5383 | * | |
5384 | * Called during initial loading of the driver. | |
5385 | */ | |
5386 | static void | |
5387 | _scsih_probe_sas(struct MPT2SAS_ADAPTER *ioc) | |
5388 | { | |
5389 | struct _sas_device *sas_device, *next; | |
5390 | unsigned long flags; | |
5391 | u16 handle, parent_handle; | |
5392 | u64 sas_address; | |
5393 | ||
5394 | /* SAS Device List */ | |
5395 | list_for_each_entry_safe(sas_device, next, &ioc->sas_device_init_list, | |
5396 | list) { | |
5397 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
5398 | list_move_tail(&sas_device->list, &ioc->sas_device_list); | |
5399 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
5400 | ||
5401 | handle = sas_device->handle; | |
5402 | parent_handle = sas_device->parent_handle; | |
5403 | sas_address = sas_device->sas_address; | |
5404 | if (!mpt2sas_transport_port_add(ioc, handle, parent_handle)) { | |
5405 | _scsih_sas_device_remove(ioc, sas_device); | |
5406 | } else if (!sas_device->starget) { | |
5407 | mpt2sas_transport_port_remove(ioc, sas_address, | |
5408 | parent_handle); | |
5409 | _scsih_sas_device_remove(ioc, sas_device); | |
5410 | } | |
5411 | } | |
5412 | } | |
5413 | ||
5414 | /** | |
5415 | * _scsih_probe_devices - probing for devices | |
5416 | * @ioc: per adapter object | |
5417 | * | |
5418 | * Called during initial loading of the driver. | |
5419 | */ | |
5420 | static void | |
5421 | _scsih_probe_devices(struct MPT2SAS_ADAPTER *ioc) | |
5422 | { | |
5423 | u16 volume_mapping_flags = | |
5424 | le16_to_cpu(ioc->ioc_pg8.IRVolumeMappingFlags) & | |
5425 | MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; | |
5426 | ||
5427 | if (!(ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR)) | |
5428 | return; /* return when IOC doesn't support initiator mode */ | |
5429 | ||
5430 | _scsih_probe_boot_devices(ioc); | |
5431 | ||
5432 | if (ioc->ir_firmware) { | |
5433 | if ((volume_mapping_flags & | |
5434 | MPI2_IOCPAGE8_IRFLAGS_HIGH_VOLUME_MAPPING)) { | |
5435 | _scsih_probe_sas(ioc); | |
5436 | _scsih_probe_raid(ioc); | |
5437 | } else { | |
5438 | _scsih_probe_raid(ioc); | |
5439 | _scsih_probe_sas(ioc); | |
5440 | } | |
5441 | } else | |
5442 | _scsih_probe_sas(ioc); | |
5443 | } | |
5444 | ||
5445 | /** | |
5446 | * scsih_probe - attach and add scsi host | |
5447 | * @pdev: PCI device struct | |
5448 | * @id: pci device id | |
5449 | * | |
5450 | * Returns 0 success, anything else error. | |
5451 | */ | |
5452 | static int | |
5453 | scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) | |
5454 | { | |
5455 | struct MPT2SAS_ADAPTER *ioc; | |
5456 | struct Scsi_Host *shost; | |
5457 | ||
5458 | shost = scsi_host_alloc(&scsih_driver_template, | |
5459 | sizeof(struct MPT2SAS_ADAPTER)); | |
5460 | if (!shost) | |
5461 | return -ENODEV; | |
5462 | ||
5463 | /* init local params */ | |
5464 | ioc = shost_priv(shost); | |
5465 | memset(ioc, 0, sizeof(struct MPT2SAS_ADAPTER)); | |
5466 | INIT_LIST_HEAD(&ioc->list); | |
ba33fadf | 5467 | list_add_tail(&ioc->list, &mpt2sas_ioc_list); |
635374e7 EM |
5468 | ioc->shost = shost; |
5469 | ioc->id = mpt_ids++; | |
5470 | sprintf(ioc->name, "%s%d", MPT2SAS_DRIVER_NAME, ioc->id); | |
5471 | ioc->pdev = pdev; | |
5472 | ioc->scsi_io_cb_idx = scsi_io_cb_idx; | |
5473 | ioc->tm_cb_idx = tm_cb_idx; | |
5474 | ioc->ctl_cb_idx = ctl_cb_idx; | |
5475 | ioc->base_cb_idx = base_cb_idx; | |
5476 | ioc->transport_cb_idx = transport_cb_idx; | |
5477 | ioc->config_cb_idx = config_cb_idx; | |
5478 | ioc->logging_level = logging_level; | |
5479 | /* misc semaphores and spin locks */ | |
5480 | spin_lock_init(&ioc->ioc_reset_in_progress_lock); | |
5481 | spin_lock_init(&ioc->scsi_lookup_lock); | |
5482 | spin_lock_init(&ioc->sas_device_lock); | |
5483 | spin_lock_init(&ioc->sas_node_lock); | |
5484 | spin_lock_init(&ioc->fw_event_lock); | |
5485 | spin_lock_init(&ioc->raid_device_lock); | |
5486 | ||
5487 | INIT_LIST_HEAD(&ioc->sas_device_list); | |
5488 | INIT_LIST_HEAD(&ioc->sas_device_init_list); | |
5489 | INIT_LIST_HEAD(&ioc->sas_expander_list); | |
5490 | INIT_LIST_HEAD(&ioc->fw_event_list); | |
5491 | INIT_LIST_HEAD(&ioc->raid_device_list); | |
5492 | INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list); | |
5493 | ||
5494 | /* init shost parameters */ | |
5495 | shost->max_cmd_len = 16; | |
5496 | shost->max_lun = max_lun; | |
5497 | shost->transportt = mpt2sas_transport_template; | |
5498 | shost->unique_id = ioc->id; | |
5499 | ||
5500 | if ((scsi_add_host(shost, &pdev->dev))) { | |
5501 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
5502 | ioc->name, __FILE__, __LINE__, __func__); | |
5503 | list_del(&ioc->list); | |
5504 | goto out_add_shost_fail; | |
5505 | } | |
5506 | ||
5507 | /* event thread */ | |
5508 | snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name), | |
5509 | "fw_event%d", ioc->id); | |
5510 | ioc->firmware_event_thread = create_singlethread_workqueue( | |
5511 | ioc->firmware_event_name); | |
5512 | if (!ioc->firmware_event_thread) { | |
5513 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
5514 | ioc->name, __FILE__, __LINE__, __func__); | |
5515 | goto out_thread_fail; | |
5516 | } | |
5517 | ||
5518 | ioc->wait_for_port_enable_to_complete = 1; | |
5519 | if ((mpt2sas_base_attach(ioc))) { | |
5520 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
5521 | ioc->name, __FILE__, __LINE__, __func__); | |
5522 | goto out_attach_fail; | |
5523 | } | |
5524 | ||
5525 | ioc->wait_for_port_enable_to_complete = 0; | |
5526 | _scsih_probe_devices(ioc); | |
5527 | return 0; | |
5528 | ||
5529 | out_attach_fail: | |
5530 | destroy_workqueue(ioc->firmware_event_thread); | |
5531 | out_thread_fail: | |
5532 | list_del(&ioc->list); | |
5533 | scsi_remove_host(shost); | |
5534 | out_add_shost_fail: | |
5535 | return -ENODEV; | |
5536 | } | |
5537 | ||
5538 | #ifdef CONFIG_PM | |
5539 | /** | |
5540 | * scsih_suspend - power management suspend main entry point | |
5541 | * @pdev: PCI device struct | |
5542 | * @state: PM state change to (usually PCI_D3) | |
5543 | * | |
5544 | * Returns 0 success, anything else error. | |
5545 | */ | |
5546 | static int | |
5547 | scsih_suspend(struct pci_dev *pdev, pm_message_t state) | |
5548 | { | |
5549 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
5550 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
5551 | u32 device_state; | |
5552 | ||
5553 | flush_scheduled_work(); | |
5554 | scsi_block_requests(shost); | |
5555 | device_state = pci_choose_state(pdev, state); | |
5556 | printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, entering " | |
5557 | "operating state [D%d]\n", ioc->name, pdev, | |
5558 | pci_name(pdev), device_state); | |
5559 | ||
5560 | mpt2sas_base_free_resources(ioc); | |
5561 | pci_save_state(pdev); | |
5562 | pci_disable_device(pdev); | |
5563 | pci_set_power_state(pdev, device_state); | |
5564 | return 0; | |
5565 | } | |
5566 | ||
5567 | /** | |
5568 | * scsih_resume - power management resume main entry point | |
5569 | * @pdev: PCI device struct | |
5570 | * | |
5571 | * Returns 0 success, anything else error. | |
5572 | */ | |
5573 | static int | |
5574 | scsih_resume(struct pci_dev *pdev) | |
5575 | { | |
5576 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
5577 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
5578 | u32 device_state = pdev->current_state; | |
5579 | int r; | |
5580 | ||
5581 | printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, previous " | |
5582 | "operating state [D%d]\n", ioc->name, pdev, | |
5583 | pci_name(pdev), device_state); | |
5584 | ||
5585 | pci_set_power_state(pdev, PCI_D0); | |
5586 | pci_enable_wake(pdev, PCI_D0, 0); | |
5587 | pci_restore_state(pdev); | |
5588 | ioc->pdev = pdev; | |
5589 | r = mpt2sas_base_map_resources(ioc); | |
5590 | if (r) | |
5591 | return r; | |
5592 | ||
5593 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, SOFT_RESET); | |
5594 | scsi_unblock_requests(shost); | |
5595 | return 0; | |
5596 | } | |
5597 | #endif /* CONFIG_PM */ | |
5598 | ||
5599 | ||
5600 | static struct pci_driver scsih_driver = { | |
5601 | .name = MPT2SAS_DRIVER_NAME, | |
5602 | .id_table = scsih_pci_table, | |
5603 | .probe = scsih_probe, | |
5604 | .remove = __devexit_p(scsih_remove), | |
5605 | #ifdef CONFIG_PM | |
5606 | .suspend = scsih_suspend, | |
5607 | .resume = scsih_resume, | |
5608 | #endif | |
5609 | }; | |
5610 | ||
5611 | ||
5612 | /** | |
5613 | * scsih_init - main entry point for this driver. | |
5614 | * | |
5615 | * Returns 0 success, anything else error. | |
5616 | */ | |
5617 | static int __init | |
5618 | scsih_init(void) | |
5619 | { | |
5620 | int error; | |
5621 | ||
5622 | mpt_ids = 0; | |
5623 | printk(KERN_INFO "%s version %s loaded\n", MPT2SAS_DRIVER_NAME, | |
5624 | MPT2SAS_DRIVER_VERSION); | |
5625 | ||
5626 | mpt2sas_transport_template = | |
5627 | sas_attach_transport(&mpt2sas_transport_functions); | |
5628 | if (!mpt2sas_transport_template) | |
5629 | return -ENODEV; | |
5630 | ||
5631 | mpt2sas_base_initialize_callback_handler(); | |
5632 | ||
5633 | /* queuecommand callback hander */ | |
5634 | scsi_io_cb_idx = mpt2sas_base_register_callback_handler(scsih_io_done); | |
5635 | ||
5636 | /* task managment callback handler */ | |
5637 | tm_cb_idx = mpt2sas_base_register_callback_handler(scsih_tm_done); | |
5638 | ||
5639 | /* base internal commands callback handler */ | |
5640 | base_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_base_done); | |
5641 | ||
5642 | /* transport internal commands callback handler */ | |
5643 | transport_cb_idx = mpt2sas_base_register_callback_handler( | |
5644 | mpt2sas_transport_done); | |
5645 | ||
5646 | /* configuration page API internal commands callback handler */ | |
5647 | config_cb_idx = mpt2sas_base_register_callback_handler( | |
5648 | mpt2sas_config_done); | |
5649 | ||
5650 | /* ctl module callback handler */ | |
5651 | ctl_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_ctl_done); | |
5652 | ||
5653 | mpt2sas_ctl_init(); | |
5654 | ||
5655 | error = pci_register_driver(&scsih_driver); | |
5656 | if (error) | |
5657 | sas_release_transport(mpt2sas_transport_template); | |
5658 | ||
5659 | return error; | |
5660 | } | |
5661 | ||
5662 | /** | |
5663 | * scsih_exit - exit point for this driver (when it is a module). | |
5664 | * | |
5665 | * Returns 0 success, anything else error. | |
5666 | */ | |
5667 | static void __exit | |
5668 | scsih_exit(void) | |
5669 | { | |
5670 | printk(KERN_INFO "mpt2sas version %s unloading\n", | |
5671 | MPT2SAS_DRIVER_VERSION); | |
5672 | ||
5673 | pci_unregister_driver(&scsih_driver); | |
5674 | ||
5675 | sas_release_transport(mpt2sas_transport_template); | |
5676 | mpt2sas_base_release_callback_handler(scsi_io_cb_idx); | |
5677 | mpt2sas_base_release_callback_handler(tm_cb_idx); | |
5678 | mpt2sas_base_release_callback_handler(base_cb_idx); | |
5679 | mpt2sas_base_release_callback_handler(transport_cb_idx); | |
5680 | mpt2sas_base_release_callback_handler(config_cb_idx); | |
5681 | mpt2sas_base_release_callback_handler(ctl_cb_idx); | |
5682 | ||
5683 | mpt2sas_ctl_exit(); | |
5684 | } | |
5685 | ||
5686 | module_init(scsih_init); | |
5687 | module_exit(scsih_exit); |