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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 | |
31b7f2e2 | 5 | * Copyright (C) 2007-2010 LSI Corporation |
635374e7 EM |
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> | |
ef7c80c1 | 55 | #include <linux/aer.h> |
f7c95ef0 | 56 | #include <linux/raid_class.h> |
5a0e3ad6 | 57 | #include <linux/slab.h> |
635374e7 EM |
58 | |
59 | #include "mpt2sas_base.h" | |
60 | ||
61 | MODULE_AUTHOR(MPT2SAS_AUTHOR); | |
62 | MODULE_DESCRIPTION(MPT2SAS_DESCRIPTION); | |
63 | MODULE_LICENSE("GPL"); | |
64 | MODULE_VERSION(MPT2SAS_DRIVER_VERSION); | |
65 | ||
66 | #define RAID_CHANNEL 1 | |
67 | ||
68 | /* forward proto's */ | |
69 | static void _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc, | |
70 | struct _sas_node *sas_expander); | |
71 | static void _firmware_event_work(struct work_struct *work); | |
72 | ||
f3eedd69 KD |
73 | static u8 _scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER *ioc, u16 smid); |
74 | ||
635374e7 | 75 | /* global parameters */ |
ba33fadf | 76 | LIST_HEAD(mpt2sas_ioc_list); |
635374e7 EM |
77 | |
78 | /* local parameters */ | |
635374e7 EM |
79 | static u8 scsi_io_cb_idx = -1; |
80 | static u8 tm_cb_idx = -1; | |
81 | static u8 ctl_cb_idx = -1; | |
82 | static u8 base_cb_idx = -1; | |
83 | static u8 transport_cb_idx = -1; | |
744090d3 | 84 | static u8 scsih_cb_idx = -1; |
635374e7 EM |
85 | static u8 config_cb_idx = -1; |
86 | static int mpt_ids; | |
87 | ||
77e63ed4 | 88 | static u8 tm_tr_cb_idx = -1 ; |
f3eedd69 | 89 | static u8 tm_tr_volume_cb_idx = -1 ; |
77e63ed4 KD |
90 | static u8 tm_sas_control_cb_idx = -1; |
91 | ||
635374e7 | 92 | /* command line options */ |
ba33fadf | 93 | static u32 logging_level; |
635374e7 EM |
94 | MODULE_PARM_DESC(logging_level, " bits for enabling additional logging info " |
95 | "(default=0)"); | |
96 | ||
97 | /* scsi-mid layer global parmeter is max_report_luns, which is 511 */ | |
98 | #define MPT2SAS_MAX_LUN (16895) | |
99 | static int max_lun = MPT2SAS_MAX_LUN; | |
100 | module_param(max_lun, int, 0); | |
101 | MODULE_PARM_DESC(max_lun, " max lun, default=16895 "); | |
102 | ||
103 | /** | |
104 | * struct sense_info - common structure for obtaining sense keys | |
105 | * @skey: sense key | |
106 | * @asc: additional sense code | |
107 | * @ascq: additional sense code qualifier | |
108 | */ | |
109 | struct sense_info { | |
110 | u8 skey; | |
111 | u8 asc; | |
112 | u8 ascq; | |
113 | }; | |
114 | ||
115 | ||
f1c35e6a KD |
116 | #define MPT2SAS_RESCAN_AFTER_HOST_RESET (0xFFFF) |
117 | ||
635374e7 EM |
118 | /** |
119 | * struct fw_event_work - firmware event struct | |
120 | * @list: link list framework | |
121 | * @work: work object (ioc->fault_reset_work_q) | |
f1c35e6a | 122 | * @cancel_pending_work: flag set during reset handling |
635374e7 EM |
123 | * @ioc: per adapter object |
124 | * @VF_ID: virtual function id | |
7b936b02 | 125 | * @VP_ID: virtual port id |
635374e7 EM |
126 | * @ignore: flag meaning this event has been marked to ignore |
127 | * @event: firmware event MPI2_EVENT_XXX defined in mpt2_ioc.h | |
128 | * @event_data: reply event data payload follows | |
129 | * | |
130 | * This object stored on ioc->fw_event_list. | |
131 | */ | |
132 | struct fw_event_work { | |
133 | struct list_head list; | |
f1c35e6a KD |
134 | u8 cancel_pending_work; |
135 | struct delayed_work delayed_work; | |
635374e7 EM |
136 | struct MPT2SAS_ADAPTER *ioc; |
137 | u8 VF_ID; | |
7b936b02 | 138 | u8 VP_ID; |
635374e7 EM |
139 | u8 ignore; |
140 | u16 event; | |
141 | void *event_data; | |
142 | }; | |
143 | ||
f7c95ef0 KD |
144 | /* raid transport support */ |
145 | static struct raid_template *mpt2sas_raid_template; | |
146 | ||
635374e7 EM |
147 | /** |
148 | * struct _scsi_io_transfer - scsi io transfer | |
149 | * @handle: sas device handle (assigned by firmware) | |
150 | * @is_raid: flag set for hidden raid components | |
151 | * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE, | |
152 | * @data_length: data transfer length | |
153 | * @data_dma: dma pointer to data | |
154 | * @sense: sense data | |
155 | * @lun: lun number | |
156 | * @cdb_length: cdb length | |
157 | * @cdb: cdb contents | |
635374e7 | 158 | * @timeout: timeout for this command |
7b936b02 KD |
159 | * @VF_ID: virtual function id |
160 | * @VP_ID: virtual port id | |
161 | * @valid_reply: flag set for reply message | |
635374e7 EM |
162 | * @sense_length: sense length |
163 | * @ioc_status: ioc status | |
164 | * @scsi_state: scsi state | |
165 | * @scsi_status: scsi staus | |
166 | * @log_info: log information | |
167 | * @transfer_length: data length transfer when there is a reply message | |
168 | * | |
169 | * Used for sending internal scsi commands to devices within this module. | |
170 | * Refer to _scsi_send_scsi_io(). | |
171 | */ | |
172 | struct _scsi_io_transfer { | |
173 | u16 handle; | |
174 | u8 is_raid; | |
175 | enum dma_data_direction dir; | |
176 | u32 data_length; | |
177 | dma_addr_t data_dma; | |
178 | u8 sense[SCSI_SENSE_BUFFERSIZE]; | |
179 | u32 lun; | |
180 | u8 cdb_length; | |
181 | u8 cdb[32]; | |
182 | u8 timeout; | |
7b936b02 KD |
183 | u8 VF_ID; |
184 | u8 VP_ID; | |
635374e7 EM |
185 | u8 valid_reply; |
186 | /* the following bits are only valid when 'valid_reply = 1' */ | |
187 | u32 sense_length; | |
188 | u16 ioc_status; | |
189 | u8 scsi_state; | |
190 | u8 scsi_status; | |
191 | u32 log_info; | |
192 | u32 transfer_length; | |
193 | }; | |
194 | ||
195 | /* | |
196 | * The pci device ids are defined in mpi/mpi2_cnfg.h. | |
197 | */ | |
198 | static struct pci_device_id scsih_pci_table[] = { | |
199 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004, | |
200 | PCI_ANY_ID, PCI_ANY_ID }, | |
201 | /* Falcon ~ 2008*/ | |
202 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008, | |
203 | PCI_ANY_ID, PCI_ANY_ID }, | |
204 | /* Liberator ~ 2108 */ | |
205 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1, | |
206 | PCI_ANY_ID, PCI_ANY_ID }, | |
207 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2, | |
208 | PCI_ANY_ID, PCI_ANY_ID }, | |
209 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3, | |
210 | PCI_ANY_ID, PCI_ANY_ID }, | |
db27136a | 211 | /* Meteor ~ 2116 */ |
635374e7 EM |
212 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1, |
213 | PCI_ANY_ID, PCI_ANY_ID }, | |
214 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2, | |
215 | PCI_ANY_ID, PCI_ANY_ID }, | |
db27136a KD |
216 | /* Thunderbolt ~ 2208 */ |
217 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1, | |
218 | PCI_ANY_ID, PCI_ANY_ID }, | |
219 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_2, | |
220 | PCI_ANY_ID, PCI_ANY_ID }, | |
221 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_3, | |
222 | PCI_ANY_ID, PCI_ANY_ID }, | |
223 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_4, | |
224 | PCI_ANY_ID, PCI_ANY_ID }, | |
225 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_5, | |
226 | PCI_ANY_ID, PCI_ANY_ID }, | |
227 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6, | |
228 | PCI_ANY_ID, PCI_ANY_ID }, | |
203d65b1 KD |
229 | /* Mustang ~ 2308 */ |
230 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_1, | |
db27136a | 231 | PCI_ANY_ID, PCI_ANY_ID }, |
203d65b1 KD |
232 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2, |
233 | PCI_ANY_ID, PCI_ANY_ID }, | |
234 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_3, | |
db27136a | 235 | PCI_ANY_ID, PCI_ANY_ID }, |
635374e7 EM |
236 | {0} /* Terminating entry */ |
237 | }; | |
238 | MODULE_DEVICE_TABLE(pci, scsih_pci_table); | |
239 | ||
240 | /** | |
d5d135b3 | 241 | * _scsih_set_debug_level - global setting of ioc->logging_level. |
635374e7 EM |
242 | * |
243 | * Note: The logging levels are defined in mpt2sas_debug.h. | |
244 | */ | |
245 | static int | |
d5d135b3 | 246 | _scsih_set_debug_level(const char *val, struct kernel_param *kp) |
635374e7 EM |
247 | { |
248 | int ret = param_set_int(val, kp); | |
249 | struct MPT2SAS_ADAPTER *ioc; | |
250 | ||
251 | if (ret) | |
252 | return ret; | |
253 | ||
254 | printk(KERN_INFO "setting logging_level(0x%08x)\n", logging_level); | |
ba33fadf | 255 | list_for_each_entry(ioc, &mpt2sas_ioc_list, list) |
635374e7 EM |
256 | ioc->logging_level = logging_level; |
257 | return 0; | |
258 | } | |
d5d135b3 | 259 | module_param_call(logging_level, _scsih_set_debug_level, param_get_int, |
635374e7 EM |
260 | &logging_level, 0644); |
261 | ||
262 | /** | |
263 | * _scsih_srch_boot_sas_address - search based on sas_address | |
264 | * @sas_address: sas address | |
265 | * @boot_device: boot device object from bios page 2 | |
266 | * | |
267 | * Returns 1 when there's a match, 0 means no match. | |
268 | */ | |
269 | static inline int | |
270 | _scsih_srch_boot_sas_address(u64 sas_address, | |
271 | Mpi2BootDeviceSasWwid_t *boot_device) | |
272 | { | |
273 | return (sas_address == le64_to_cpu(boot_device->SASAddress)) ? 1 : 0; | |
274 | } | |
275 | ||
276 | /** | |
277 | * _scsih_srch_boot_device_name - search based on device name | |
278 | * @device_name: device name specified in INDENTIFY fram | |
279 | * @boot_device: boot device object from bios page 2 | |
280 | * | |
281 | * Returns 1 when there's a match, 0 means no match. | |
282 | */ | |
283 | static inline int | |
284 | _scsih_srch_boot_device_name(u64 device_name, | |
285 | Mpi2BootDeviceDeviceName_t *boot_device) | |
286 | { | |
287 | return (device_name == le64_to_cpu(boot_device->DeviceName)) ? 1 : 0; | |
288 | } | |
289 | ||
290 | /** | |
291 | * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot | |
292 | * @enclosure_logical_id: enclosure logical id | |
293 | * @slot_number: slot number | |
294 | * @boot_device: boot device object from bios page 2 | |
295 | * | |
296 | * Returns 1 when there's a match, 0 means no match. | |
297 | */ | |
298 | static inline int | |
299 | _scsih_srch_boot_encl_slot(u64 enclosure_logical_id, u16 slot_number, | |
300 | Mpi2BootDeviceEnclosureSlot_t *boot_device) | |
301 | { | |
302 | return (enclosure_logical_id == le64_to_cpu(boot_device-> | |
303 | EnclosureLogicalID) && slot_number == le16_to_cpu(boot_device-> | |
304 | SlotNumber)) ? 1 : 0; | |
305 | } | |
306 | ||
307 | /** | |
308 | * _scsih_is_boot_device - search for matching boot device. | |
309 | * @sas_address: sas address | |
310 | * @device_name: device name specified in INDENTIFY fram | |
311 | * @enclosure_logical_id: enclosure logical id | |
312 | * @slot_number: slot number | |
313 | * @form: specifies boot device form | |
314 | * @boot_device: boot device object from bios page 2 | |
315 | * | |
316 | * Returns 1 when there's a match, 0 means no match. | |
317 | */ | |
318 | static int | |
319 | _scsih_is_boot_device(u64 sas_address, u64 device_name, | |
320 | u64 enclosure_logical_id, u16 slot, u8 form, | |
321 | Mpi2BiosPage2BootDevice_t *boot_device) | |
322 | { | |
323 | int rc = 0; | |
324 | ||
325 | switch (form) { | |
326 | case MPI2_BIOSPAGE2_FORM_SAS_WWID: | |
327 | if (!sas_address) | |
328 | break; | |
329 | rc = _scsih_srch_boot_sas_address( | |
330 | sas_address, &boot_device->SasWwid); | |
331 | break; | |
332 | case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT: | |
333 | if (!enclosure_logical_id) | |
334 | break; | |
335 | rc = _scsih_srch_boot_encl_slot( | |
336 | enclosure_logical_id, | |
337 | slot, &boot_device->EnclosureSlot); | |
338 | break; | |
339 | case MPI2_BIOSPAGE2_FORM_DEVICE_NAME: | |
340 | if (!device_name) | |
341 | break; | |
342 | rc = _scsih_srch_boot_device_name( | |
343 | device_name, &boot_device->DeviceName); | |
344 | break; | |
345 | case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED: | |
346 | break; | |
347 | } | |
348 | ||
349 | return rc; | |
350 | } | |
351 | ||
c5e039be KD |
352 | /** |
353 | * _scsih_get_sas_address - set the sas_address for given device handle | |
354 | * @handle: device handle | |
355 | * @sas_address: sas address | |
356 | * | |
357 | * Returns 0 success, non-zero when failure | |
358 | */ | |
359 | static int | |
360 | _scsih_get_sas_address(struct MPT2SAS_ADAPTER *ioc, u16 handle, | |
361 | u64 *sas_address) | |
362 | { | |
363 | Mpi2SasDevicePage0_t sas_device_pg0; | |
364 | Mpi2ConfigReply_t mpi_reply; | |
365 | u32 ioc_status; | |
366 | ||
367 | if (handle <= ioc->sas_hba.num_phys) { | |
368 | *sas_address = ioc->sas_hba.sas_address; | |
369 | return 0; | |
370 | } else | |
371 | *sas_address = 0; | |
372 | ||
373 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
374 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { | |
375 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
376 | ioc->name, __FILE__, __LINE__, __func__); | |
377 | return -ENXIO; | |
378 | } | |
379 | ||
380 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
381 | MPI2_IOCSTATUS_MASK; | |
382 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
383 | printk(MPT2SAS_ERR_FMT "handle(0x%04x), ioc_status(0x%04x)" | |
384 | "\nfailure at %s:%d/%s()!\n", ioc->name, handle, ioc_status, | |
385 | __FILE__, __LINE__, __func__); | |
386 | return -EIO; | |
387 | } | |
388 | ||
389 | *sas_address = le64_to_cpu(sas_device_pg0.SASAddress); | |
390 | return 0; | |
391 | } | |
392 | ||
635374e7 EM |
393 | /** |
394 | * _scsih_determine_boot_device - determine boot device. | |
395 | * @ioc: per adapter object | |
396 | * @device: either sas_device or raid_device object | |
397 | * @is_raid: [flag] 1 = raid object, 0 = sas object | |
398 | * | |
399 | * Determines whether this device should be first reported device to | |
25985edc | 400 | * to scsi-ml or sas transport, this purpose is for persistent boot device. |
635374e7 EM |
401 | * There are primary, alternate, and current entries in bios page 2. The order |
402 | * priority is primary, alternate, then current. This routine saves | |
403 | * the corresponding device object and is_raid flag in the ioc object. | |
404 | * The saved data to be used later in _scsih_probe_boot_devices(). | |
405 | */ | |
406 | static void | |
407 | _scsih_determine_boot_device(struct MPT2SAS_ADAPTER *ioc, | |
408 | void *device, u8 is_raid) | |
409 | { | |
410 | struct _sas_device *sas_device; | |
411 | struct _raid_device *raid_device; | |
412 | u64 sas_address; | |
413 | u64 device_name; | |
414 | u64 enclosure_logical_id; | |
415 | u16 slot; | |
416 | ||
417 | /* only process this function when driver loads */ | |
418 | if (!ioc->wait_for_port_enable_to_complete) | |
419 | return; | |
420 | ||
421 | if (!is_raid) { | |
422 | sas_device = device; | |
423 | sas_address = sas_device->sas_address; | |
424 | device_name = sas_device->device_name; | |
425 | enclosure_logical_id = sas_device->enclosure_logical_id; | |
426 | slot = sas_device->slot; | |
427 | } else { | |
428 | raid_device = device; | |
429 | sas_address = raid_device->wwid; | |
430 | device_name = 0; | |
431 | enclosure_logical_id = 0; | |
432 | slot = 0; | |
433 | } | |
434 | ||
435 | if (!ioc->req_boot_device.device) { | |
436 | if (_scsih_is_boot_device(sas_address, device_name, | |
437 | enclosure_logical_id, slot, | |
438 | (ioc->bios_pg2.ReqBootDeviceForm & | |
439 | MPI2_BIOSPAGE2_FORM_MASK), | |
440 | &ioc->bios_pg2.RequestedBootDevice)) { | |
eabb08ad | 441 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT |
635374e7 EM |
442 | "%s: req_boot_device(0x%016llx)\n", |
443 | ioc->name, __func__, | |
444 | (unsigned long long)sas_address)); | |
445 | ioc->req_boot_device.device = device; | |
446 | ioc->req_boot_device.is_raid = is_raid; | |
447 | } | |
448 | } | |
449 | ||
450 | if (!ioc->req_alt_boot_device.device) { | |
451 | if (_scsih_is_boot_device(sas_address, device_name, | |
452 | enclosure_logical_id, slot, | |
453 | (ioc->bios_pg2.ReqAltBootDeviceForm & | |
454 | MPI2_BIOSPAGE2_FORM_MASK), | |
455 | &ioc->bios_pg2.RequestedAltBootDevice)) { | |
eabb08ad | 456 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT |
635374e7 EM |
457 | "%s: req_alt_boot_device(0x%016llx)\n", |
458 | ioc->name, __func__, | |
459 | (unsigned long long)sas_address)); | |
460 | ioc->req_alt_boot_device.device = device; | |
461 | ioc->req_alt_boot_device.is_raid = is_raid; | |
462 | } | |
463 | } | |
464 | ||
465 | if (!ioc->current_boot_device.device) { | |
466 | if (_scsih_is_boot_device(sas_address, device_name, | |
467 | enclosure_logical_id, slot, | |
468 | (ioc->bios_pg2.CurrentBootDeviceForm & | |
469 | MPI2_BIOSPAGE2_FORM_MASK), | |
470 | &ioc->bios_pg2.CurrentBootDevice)) { | |
eabb08ad | 471 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT |
635374e7 EM |
472 | "%s: current_boot_device(0x%016llx)\n", |
473 | ioc->name, __func__, | |
474 | (unsigned long long)sas_address)); | |
475 | ioc->current_boot_device.device = device; | |
476 | ioc->current_boot_device.is_raid = is_raid; | |
477 | } | |
478 | } | |
479 | } | |
480 | ||
481 | /** | |
482 | * mpt2sas_scsih_sas_device_find_by_sas_address - sas device search | |
483 | * @ioc: per adapter object | |
484 | * @sas_address: sas address | |
485 | * Context: Calling function should acquire ioc->sas_device_lock | |
486 | * | |
487 | * This searches for sas_device based on sas_address, then return sas_device | |
488 | * object. | |
489 | */ | |
490 | struct _sas_device * | |
491 | mpt2sas_scsih_sas_device_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc, | |
492 | u64 sas_address) | |
493 | { | |
cd9843f8 | 494 | struct _sas_device *sas_device; |
635374e7 | 495 | |
cd9843f8 KD |
496 | list_for_each_entry(sas_device, &ioc->sas_device_list, list) |
497 | if (sas_device->sas_address == sas_address) | |
498 | return sas_device; | |
499 | ||
500 | list_for_each_entry(sas_device, &ioc->sas_device_init_list, list) | |
501 | if (sas_device->sas_address == sas_address) | |
502 | return sas_device; | |
503 | ||
504 | return NULL; | |
635374e7 EM |
505 | } |
506 | ||
507 | /** | |
508 | * _scsih_sas_device_find_by_handle - sas device search | |
509 | * @ioc: per adapter object | |
510 | * @handle: sas device handle (assigned by firmware) | |
511 | * Context: Calling function should acquire ioc->sas_device_lock | |
512 | * | |
513 | * This searches for sas_device based on sas_address, then return sas_device | |
514 | * object. | |
515 | */ | |
516 | static struct _sas_device * | |
517 | _scsih_sas_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
518 | { | |
cd9843f8 KD |
519 | struct _sas_device *sas_device; |
520 | ||
521 | list_for_each_entry(sas_device, &ioc->sas_device_list, list) | |
522 | if (sas_device->handle == handle) | |
523 | return sas_device; | |
524 | ||
525 | list_for_each_entry(sas_device, &ioc->sas_device_init_list, list) | |
526 | if (sas_device->handle == handle) | |
527 | return sas_device; | |
635374e7 | 528 | |
cd9843f8 | 529 | return NULL; |
635374e7 EM |
530 | } |
531 | ||
532 | /** | |
533 | * _scsih_sas_device_remove - remove sas_device from list. | |
534 | * @ioc: per adapter object | |
535 | * @sas_device: the sas_device object | |
536 | * Context: This function will acquire ioc->sas_device_lock. | |
537 | * | |
538 | * Removing object and freeing associated memory from the ioc->sas_device_list. | |
539 | */ | |
540 | static void | |
541 | _scsih_sas_device_remove(struct MPT2SAS_ADAPTER *ioc, | |
542 | struct _sas_device *sas_device) | |
543 | { | |
544 | unsigned long flags; | |
545 | ||
980ead31 KD |
546 | if (!sas_device) |
547 | return; | |
548 | ||
635374e7 | 549 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
980ead31 KD |
550 | if (mpt2sas_scsih_sas_device_find_by_sas_address(ioc, |
551 | sas_device->sas_address)) { | |
552 | list_del(&sas_device->list); | |
553 | kfree(sas_device); | |
554 | } | |
635374e7 EM |
555 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
556 | } | |
557 | ||
558 | /** | |
559 | * _scsih_sas_device_add - insert sas_device to the list. | |
560 | * @ioc: per adapter object | |
561 | * @sas_device: the sas_device object | |
562 | * Context: This function will acquire ioc->sas_device_lock. | |
563 | * | |
564 | * Adding new object to the ioc->sas_device_list. | |
565 | */ | |
566 | static void | |
567 | _scsih_sas_device_add(struct MPT2SAS_ADAPTER *ioc, | |
568 | struct _sas_device *sas_device) | |
569 | { | |
570 | unsigned long flags; | |
635374e7 | 571 | |
eabb08ad | 572 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle" |
635374e7 EM |
573 | "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, |
574 | sas_device->handle, (unsigned long long)sas_device->sas_address)); | |
575 | ||
576 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
577 | list_add_tail(&sas_device->list, &ioc->sas_device_list); | |
578 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
579 | ||
c5e039be KD |
580 | if (!mpt2sas_transport_port_add(ioc, sas_device->handle, |
581 | sas_device->sas_address_parent)) | |
635374e7 | 582 | _scsih_sas_device_remove(ioc, sas_device); |
635374e7 EM |
583 | } |
584 | ||
585 | /** | |
586 | * _scsih_sas_device_init_add - insert sas_device to the list. | |
587 | * @ioc: per adapter object | |
588 | * @sas_device: the sas_device object | |
589 | * Context: This function will acquire ioc->sas_device_lock. | |
590 | * | |
591 | * Adding new object at driver load time to the ioc->sas_device_init_list. | |
592 | */ | |
593 | static void | |
594 | _scsih_sas_device_init_add(struct MPT2SAS_ADAPTER *ioc, | |
595 | struct _sas_device *sas_device) | |
596 | { | |
597 | unsigned long flags; | |
598 | ||
eabb08ad | 599 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle" |
635374e7 EM |
600 | "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, |
601 | sas_device->handle, (unsigned long long)sas_device->sas_address)); | |
602 | ||
603 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
604 | list_add_tail(&sas_device->list, &ioc->sas_device_init_list); | |
605 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
606 | _scsih_determine_boot_device(ioc, sas_device, 0); | |
607 | } | |
608 | ||
635374e7 EM |
609 | /** |
610 | * _scsih_raid_device_find_by_id - raid device search | |
611 | * @ioc: per adapter object | |
612 | * @id: sas device target id | |
613 | * @channel: sas device channel | |
614 | * Context: Calling function should acquire ioc->raid_device_lock | |
615 | * | |
616 | * This searches for raid_device based on target id, then return raid_device | |
617 | * object. | |
618 | */ | |
619 | static struct _raid_device * | |
620 | _scsih_raid_device_find_by_id(struct MPT2SAS_ADAPTER *ioc, int id, int channel) | |
621 | { | |
622 | struct _raid_device *raid_device, *r; | |
623 | ||
624 | r = NULL; | |
625 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { | |
626 | if (raid_device->id == id && raid_device->channel == channel) { | |
627 | r = raid_device; | |
628 | goto out; | |
629 | } | |
630 | } | |
631 | ||
632 | out: | |
633 | return r; | |
634 | } | |
635 | ||
636 | /** | |
637 | * _scsih_raid_device_find_by_handle - raid device search | |
638 | * @ioc: per adapter object | |
639 | * @handle: sas device handle (assigned by firmware) | |
640 | * Context: Calling function should acquire ioc->raid_device_lock | |
641 | * | |
642 | * This searches for raid_device based on handle, then return raid_device | |
643 | * object. | |
644 | */ | |
645 | static struct _raid_device * | |
646 | _scsih_raid_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
647 | { | |
648 | struct _raid_device *raid_device, *r; | |
649 | ||
650 | r = NULL; | |
651 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { | |
652 | if (raid_device->handle != handle) | |
653 | continue; | |
654 | r = raid_device; | |
655 | goto out; | |
656 | } | |
657 | ||
658 | out: | |
659 | return r; | |
660 | } | |
661 | ||
662 | /** | |
663 | * _scsih_raid_device_find_by_wwid - raid device search | |
664 | * @ioc: per adapter object | |
665 | * @handle: sas device handle (assigned by firmware) | |
666 | * Context: Calling function should acquire ioc->raid_device_lock | |
667 | * | |
668 | * This searches for raid_device based on wwid, then return raid_device | |
669 | * object. | |
670 | */ | |
671 | static struct _raid_device * | |
672 | _scsih_raid_device_find_by_wwid(struct MPT2SAS_ADAPTER *ioc, u64 wwid) | |
673 | { | |
674 | struct _raid_device *raid_device, *r; | |
675 | ||
676 | r = NULL; | |
677 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { | |
678 | if (raid_device->wwid != wwid) | |
679 | continue; | |
680 | r = raid_device; | |
681 | goto out; | |
682 | } | |
683 | ||
684 | out: | |
685 | return r; | |
686 | } | |
687 | ||
688 | /** | |
689 | * _scsih_raid_device_add - add raid_device object | |
690 | * @ioc: per adapter object | |
691 | * @raid_device: raid_device object | |
692 | * | |
693 | * This is added to the raid_device_list link list. | |
694 | */ | |
695 | static void | |
696 | _scsih_raid_device_add(struct MPT2SAS_ADAPTER *ioc, | |
697 | struct _raid_device *raid_device) | |
698 | { | |
699 | unsigned long flags; | |
700 | ||
eabb08ad | 701 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle" |
635374e7 EM |
702 | "(0x%04x), wwid(0x%016llx)\n", ioc->name, __func__, |
703 | raid_device->handle, (unsigned long long)raid_device->wwid)); | |
704 | ||
705 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
706 | list_add_tail(&raid_device->list, &ioc->raid_device_list); | |
707 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
708 | } | |
709 | ||
710 | /** | |
711 | * _scsih_raid_device_remove - delete raid_device object | |
712 | * @ioc: per adapter object | |
713 | * @raid_device: raid_device object | |
714 | * | |
715 | * This is removed from the raid_device_list link list. | |
716 | */ | |
717 | static void | |
718 | _scsih_raid_device_remove(struct MPT2SAS_ADAPTER *ioc, | |
719 | struct _raid_device *raid_device) | |
720 | { | |
721 | unsigned long flags; | |
722 | ||
723 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
724 | list_del(&raid_device->list); | |
725 | memset(raid_device, 0, sizeof(struct _raid_device)); | |
726 | kfree(raid_device); | |
727 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
728 | } | |
729 | ||
c5e039be KD |
730 | /** |
731 | * mpt2sas_scsih_expander_find_by_handle - expander device search | |
732 | * @ioc: per adapter object | |
733 | * @handle: expander handle (assigned by firmware) | |
734 | * Context: Calling function should acquire ioc->sas_device_lock | |
735 | * | |
736 | * This searches for expander device based on handle, then returns the | |
737 | * sas_node object. | |
738 | */ | |
739 | struct _sas_node * | |
740 | mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
741 | { | |
742 | struct _sas_node *sas_expander, *r; | |
743 | ||
744 | r = NULL; | |
745 | list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { | |
746 | if (sas_expander->handle != handle) | |
747 | continue; | |
748 | r = sas_expander; | |
749 | goto out; | |
750 | } | |
751 | out: | |
752 | return r; | |
753 | } | |
754 | ||
635374e7 EM |
755 | /** |
756 | * mpt2sas_scsih_expander_find_by_sas_address - expander device search | |
757 | * @ioc: per adapter object | |
758 | * @sas_address: sas address | |
759 | * Context: Calling function should acquire ioc->sas_node_lock. | |
760 | * | |
761 | * This searches for expander device based on sas_address, then returns the | |
762 | * sas_node object. | |
763 | */ | |
764 | struct _sas_node * | |
765 | mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc, | |
766 | u64 sas_address) | |
767 | { | |
768 | struct _sas_node *sas_expander, *r; | |
769 | ||
770 | r = NULL; | |
771 | list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { | |
772 | if (sas_expander->sas_address != sas_address) | |
773 | continue; | |
774 | r = sas_expander; | |
775 | goto out; | |
776 | } | |
777 | out: | |
778 | return r; | |
779 | } | |
780 | ||
781 | /** | |
782 | * _scsih_expander_node_add - insert expander device to the list. | |
783 | * @ioc: per adapter object | |
784 | * @sas_expander: the sas_device object | |
785 | * Context: This function will acquire ioc->sas_node_lock. | |
786 | * | |
787 | * Adding new object to the ioc->sas_expander_list. | |
788 | * | |
789 | * Return nothing. | |
790 | */ | |
791 | static void | |
792 | _scsih_expander_node_add(struct MPT2SAS_ADAPTER *ioc, | |
793 | struct _sas_node *sas_expander) | |
794 | { | |
795 | unsigned long flags; | |
796 | ||
797 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
798 | list_add_tail(&sas_expander->list, &ioc->sas_expander_list); | |
799 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
800 | } | |
801 | ||
802 | /** | |
803 | * _scsih_is_end_device - determines if device is an end device | |
804 | * @device_info: bitfield providing information about the device. | |
805 | * Context: none | |
806 | * | |
807 | * Returns 1 if end device. | |
808 | */ | |
809 | static int | |
810 | _scsih_is_end_device(u32 device_info) | |
811 | { | |
812 | if (device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE && | |
813 | ((device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) | | |
814 | (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) | | |
815 | (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE))) | |
816 | return 1; | |
817 | else | |
818 | return 0; | |
819 | } | |
820 | ||
821 | /** | |
ec07a053 | 822 | * _scsih_scsi_lookup_get - returns scmd entry |
635374e7 EM |
823 | * @ioc: per adapter object |
824 | * @smid: system request message index | |
635374e7 EM |
825 | * |
826 | * Returns the smid stored scmd pointer. | |
827 | */ | |
828 | static struct scsi_cmnd * | |
829 | _scsih_scsi_lookup_get(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
830 | { | |
595bb0bd | 831 | return ioc->scsi_lookup[smid - 1].scmd; |
635374e7 EM |
832 | } |
833 | ||
ec07a053 KD |
834 | /** |
835 | * _scsih_scsi_lookup_get_clear - returns scmd entry | |
836 | * @ioc: per adapter object | |
837 | * @smid: system request message index | |
838 | * | |
839 | * Returns the smid stored scmd pointer. | |
840 | * Then will derefrence the stored scmd pointer. | |
841 | */ | |
842 | static inline struct scsi_cmnd * | |
843 | _scsih_scsi_lookup_get_clear(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
844 | { | |
845 | unsigned long flags; | |
846 | struct scsi_cmnd *scmd; | |
847 | ||
848 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
849 | scmd = ioc->scsi_lookup[smid - 1].scmd; | |
850 | ioc->scsi_lookup[smid - 1].scmd = NULL; | |
851 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
852 | ||
853 | return scmd; | |
854 | } | |
855 | ||
635374e7 EM |
856 | /** |
857 | * _scsih_scsi_lookup_find_by_scmd - scmd lookup | |
858 | * @ioc: per adapter object | |
859 | * @smid: system request message index | |
860 | * @scmd: pointer to scsi command object | |
861 | * Context: This function will acquire ioc->scsi_lookup_lock. | |
862 | * | |
863 | * This will search for a scmd pointer in the scsi_lookup array, | |
864 | * returning the revelent smid. A returned value of zero means invalid. | |
865 | */ | |
866 | static u16 | |
867 | _scsih_scsi_lookup_find_by_scmd(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd | |
868 | *scmd) | |
869 | { | |
870 | u16 smid; | |
871 | unsigned long flags; | |
872 | int i; | |
873 | ||
874 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
875 | smid = 0; | |
595bb0bd | 876 | for (i = 0; i < ioc->scsiio_depth; i++) { |
635374e7 | 877 | if (ioc->scsi_lookup[i].scmd == scmd) { |
595bb0bd | 878 | smid = ioc->scsi_lookup[i].smid; |
635374e7 EM |
879 | goto out; |
880 | } | |
881 | } | |
882 | out: | |
883 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
884 | return smid; | |
885 | } | |
886 | ||
887 | /** | |
888 | * _scsih_scsi_lookup_find_by_target - search for matching channel:id | |
889 | * @ioc: per adapter object | |
890 | * @id: target id | |
891 | * @channel: channel | |
892 | * Context: This function will acquire ioc->scsi_lookup_lock. | |
893 | * | |
894 | * This will search for a matching channel:id in the scsi_lookup array, | |
895 | * returning 1 if found. | |
896 | */ | |
897 | static u8 | |
898 | _scsih_scsi_lookup_find_by_target(struct MPT2SAS_ADAPTER *ioc, int id, | |
899 | int channel) | |
900 | { | |
901 | u8 found; | |
902 | unsigned long flags; | |
903 | int i; | |
904 | ||
905 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
906 | found = 0; | |
595bb0bd | 907 | for (i = 0 ; i < ioc->scsiio_depth; i++) { |
635374e7 EM |
908 | if (ioc->scsi_lookup[i].scmd && |
909 | (ioc->scsi_lookup[i].scmd->device->id == id && | |
910 | ioc->scsi_lookup[i].scmd->device->channel == channel)) { | |
911 | found = 1; | |
912 | goto out; | |
913 | } | |
914 | } | |
915 | out: | |
916 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
917 | return found; | |
918 | } | |
919 | ||
993e0da7 EM |
920 | /** |
921 | * _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun | |
922 | * @ioc: per adapter object | |
923 | * @id: target id | |
924 | * @lun: lun number | |
925 | * @channel: channel | |
926 | * Context: This function will acquire ioc->scsi_lookup_lock. | |
927 | * | |
928 | * This will search for a matching channel:id:lun in the scsi_lookup array, | |
929 | * returning 1 if found. | |
930 | */ | |
931 | static u8 | |
932 | _scsih_scsi_lookup_find_by_lun(struct MPT2SAS_ADAPTER *ioc, int id, | |
933 | unsigned int lun, int channel) | |
934 | { | |
935 | u8 found; | |
936 | unsigned long flags; | |
937 | int i; | |
938 | ||
939 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
940 | found = 0; | |
595bb0bd | 941 | for (i = 0 ; i < ioc->scsiio_depth; i++) { |
993e0da7 EM |
942 | if (ioc->scsi_lookup[i].scmd && |
943 | (ioc->scsi_lookup[i].scmd->device->id == id && | |
944 | ioc->scsi_lookup[i].scmd->device->channel == channel && | |
945 | ioc->scsi_lookup[i].scmd->device->lun == lun)) { | |
946 | found = 1; | |
947 | goto out; | |
948 | } | |
949 | } | |
950 | out: | |
951 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
952 | return found; | |
953 | } | |
954 | ||
635374e7 | 955 | /** |
35f805b5 | 956 | * _scsih_get_chain_buffer_tracker - obtain chain tracker |
635374e7 | 957 | * @ioc: per adapter object |
35f805b5 | 958 | * @smid: smid associated to an IO request |
635374e7 | 959 | * |
35f805b5 | 960 | * Returns chain tracker(from ioc->free_chain_list) |
635374e7 | 961 | */ |
35f805b5 KD |
962 | static struct chain_tracker * |
963 | _scsih_get_chain_buffer_tracker(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
635374e7 | 964 | { |
35f805b5 KD |
965 | struct chain_tracker *chain_req; |
966 | unsigned long flags; | |
635374e7 | 967 | |
35f805b5 KD |
968 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
969 | if (list_empty(&ioc->free_chain_list)) { | |
970 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
971 | printk(MPT2SAS_WARN_FMT "chain buffers not available\n", | |
972 | ioc->name); | |
973 | return NULL; | |
974 | } | |
975 | chain_req = list_entry(ioc->free_chain_list.next, | |
976 | struct chain_tracker, tracker_list); | |
977 | list_del_init(&chain_req->tracker_list); | |
978 | list_add_tail(&chain_req->tracker_list, | |
979 | &ioc->scsi_lookup[smid - 1].chain_list); | |
980 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
981 | return chain_req; | |
635374e7 EM |
982 | } |
983 | ||
984 | /** | |
985 | * _scsih_build_scatter_gather - main sg creation routine | |
986 | * @ioc: per adapter object | |
987 | * @scmd: scsi command | |
988 | * @smid: system request message index | |
989 | * Context: none. | |
990 | * | |
991 | * The main routine that builds scatter gather table from a given | |
992 | * scsi request sent via the .queuecommand main handler. | |
993 | * | |
994 | * Returns 0 success, anything else error | |
995 | */ | |
996 | static int | |
997 | _scsih_build_scatter_gather(struct MPT2SAS_ADAPTER *ioc, | |
998 | struct scsi_cmnd *scmd, u16 smid) | |
999 | { | |
1000 | Mpi2SCSIIORequest_t *mpi_request; | |
1001 | dma_addr_t chain_dma; | |
1002 | struct scatterlist *sg_scmd; | |
1003 | void *sg_local, *chain; | |
1004 | u32 chain_offset; | |
1005 | u32 chain_length; | |
1006 | u32 chain_flags; | |
bb789d01 | 1007 | int sges_left; |
635374e7 EM |
1008 | u32 sges_in_segment; |
1009 | u32 sgl_flags; | |
1010 | u32 sgl_flags_last_element; | |
1011 | u32 sgl_flags_end_buffer; | |
35f805b5 | 1012 | struct chain_tracker *chain_req; |
635374e7 EM |
1013 | |
1014 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
1015 | ||
1016 | /* init scatter gather flags */ | |
1017 | sgl_flags = MPI2_SGE_FLAGS_SIMPLE_ELEMENT; | |
1018 | if (scmd->sc_data_direction == DMA_TO_DEVICE) | |
1019 | sgl_flags |= MPI2_SGE_FLAGS_HOST_TO_IOC; | |
1020 | sgl_flags_last_element = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT) | |
1021 | << MPI2_SGE_FLAGS_SHIFT; | |
1022 | sgl_flags_end_buffer = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT | | |
1023 | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST) | |
1024 | << MPI2_SGE_FLAGS_SHIFT; | |
1025 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
1026 | ||
1027 | sg_scmd = scsi_sglist(scmd); | |
1028 | sges_left = scsi_dma_map(scmd); | |
bb789d01 | 1029 | if (sges_left < 0) { |
635374e7 EM |
1030 | sdev_printk(KERN_ERR, scmd->device, "pci_map_sg" |
1031 | " failed: request for %d bytes!\n", scsi_bufflen(scmd)); | |
1032 | return -ENOMEM; | |
1033 | } | |
1034 | ||
1035 | sg_local = &mpi_request->SGL; | |
1036 | sges_in_segment = ioc->max_sges_in_main_message; | |
1037 | if (sges_left <= sges_in_segment) | |
1038 | goto fill_in_last_segment; | |
1039 | ||
1040 | mpi_request->ChainOffset = (offsetof(Mpi2SCSIIORequest_t, SGL) + | |
1041 | (sges_in_segment * ioc->sge_size))/4; | |
1042 | ||
1043 | /* fill in main message segment when there is a chain following */ | |
1044 | while (sges_in_segment) { | |
1045 | if (sges_in_segment == 1) | |
1046 | ioc->base_add_sg_single(sg_local, | |
1047 | sgl_flags_last_element | sg_dma_len(sg_scmd), | |
1048 | sg_dma_address(sg_scmd)); | |
1049 | else | |
1050 | ioc->base_add_sg_single(sg_local, sgl_flags | | |
1051 | sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); | |
1052 | sg_scmd = sg_next(sg_scmd); | |
1053 | sg_local += ioc->sge_size; | |
1054 | sges_left--; | |
1055 | sges_in_segment--; | |
1056 | } | |
1057 | ||
1058 | /* initializing the chain flags and pointers */ | |
1059 | chain_flags = MPI2_SGE_FLAGS_CHAIN_ELEMENT << MPI2_SGE_FLAGS_SHIFT; | |
35f805b5 KD |
1060 | chain_req = _scsih_get_chain_buffer_tracker(ioc, smid); |
1061 | if (!chain_req) | |
1062 | return -1; | |
1063 | chain = chain_req->chain_buffer; | |
1064 | chain_dma = chain_req->chain_buffer_dma; | |
635374e7 EM |
1065 | do { |
1066 | sges_in_segment = (sges_left <= | |
1067 | ioc->max_sges_in_chain_message) ? sges_left : | |
1068 | ioc->max_sges_in_chain_message; | |
1069 | chain_offset = (sges_left == sges_in_segment) ? | |
1070 | 0 : (sges_in_segment * ioc->sge_size)/4; | |
1071 | chain_length = sges_in_segment * ioc->sge_size; | |
1072 | if (chain_offset) { | |
1073 | chain_offset = chain_offset << | |
1074 | MPI2_SGE_CHAIN_OFFSET_SHIFT; | |
1075 | chain_length += ioc->sge_size; | |
1076 | } | |
1077 | ioc->base_add_sg_single(sg_local, chain_flags | chain_offset | | |
1078 | chain_length, chain_dma); | |
1079 | sg_local = chain; | |
1080 | if (!chain_offset) | |
1081 | goto fill_in_last_segment; | |
1082 | ||
1083 | /* fill in chain segments */ | |
1084 | while (sges_in_segment) { | |
1085 | if (sges_in_segment == 1) | |
1086 | ioc->base_add_sg_single(sg_local, | |
1087 | sgl_flags_last_element | | |
1088 | sg_dma_len(sg_scmd), | |
1089 | sg_dma_address(sg_scmd)); | |
1090 | else | |
1091 | ioc->base_add_sg_single(sg_local, sgl_flags | | |
1092 | sg_dma_len(sg_scmd), | |
1093 | sg_dma_address(sg_scmd)); | |
1094 | sg_scmd = sg_next(sg_scmd); | |
1095 | sg_local += ioc->sge_size; | |
1096 | sges_left--; | |
1097 | sges_in_segment--; | |
1098 | } | |
1099 | ||
35f805b5 KD |
1100 | chain_req = _scsih_get_chain_buffer_tracker(ioc, smid); |
1101 | if (!chain_req) | |
1102 | return -1; | |
1103 | chain = chain_req->chain_buffer; | |
1104 | chain_dma = chain_req->chain_buffer_dma; | |
635374e7 EM |
1105 | } while (1); |
1106 | ||
1107 | ||
1108 | fill_in_last_segment: | |
1109 | ||
1110 | /* fill the last segment */ | |
1111 | while (sges_left) { | |
1112 | if (sges_left == 1) | |
1113 | ioc->base_add_sg_single(sg_local, sgl_flags_end_buffer | | |
1114 | sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); | |
1115 | else | |
1116 | ioc->base_add_sg_single(sg_local, sgl_flags | | |
1117 | sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); | |
1118 | sg_scmd = sg_next(sg_scmd); | |
1119 | sg_local += ioc->sge_size; | |
1120 | sges_left--; | |
1121 | } | |
1122 | ||
1123 | return 0; | |
1124 | } | |
1125 | ||
1126 | /** | |
a93c6b45 | 1127 | * _scsih_adjust_queue_depth - setting device queue depth |
635374e7 EM |
1128 | * @sdev: scsi device struct |
1129 | * @qdepth: requested queue depth | |
1130 | * | |
a93c6b45 KD |
1131 | * |
1132 | * Returns nothing | |
635374e7 | 1133 | */ |
a93c6b45 KD |
1134 | static void |
1135 | _scsih_adjust_queue_depth(struct scsi_device *sdev, int qdepth) | |
635374e7 EM |
1136 | { |
1137 | struct Scsi_Host *shost = sdev->host; | |
1138 | int max_depth; | |
e0077d60 KD |
1139 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); |
1140 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
1141 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
1142 | struct _sas_device *sas_device; | |
1143 | unsigned long flags; | |
635374e7 EM |
1144 | |
1145 | max_depth = shost->can_queue; | |
e0077d60 KD |
1146 | |
1147 | /* limit max device queue for SATA to 32 */ | |
1148 | sas_device_priv_data = sdev->hostdata; | |
1149 | if (!sas_device_priv_data) | |
1150 | goto not_sata; | |
1151 | sas_target_priv_data = sas_device_priv_data->sas_target; | |
1152 | if (!sas_target_priv_data) | |
1153 | goto not_sata; | |
1154 | if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) | |
1155 | goto not_sata; | |
1156 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
1157 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
1158 | sas_device_priv_data->sas_target->sas_address); | |
1159 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
1160 | if (sas_device && sas_device->device_info & | |
1161 | MPI2_SAS_DEVICE_INFO_SATA_DEVICE) | |
1162 | max_depth = MPT2SAS_SATA_QUEUE_DEPTH; | |
1163 | ||
1164 | not_sata: | |
1165 | ||
635374e7 EM |
1166 | if (!sdev->tagged_supported) |
1167 | max_depth = 1; | |
1168 | if (qdepth > max_depth) | |
1169 | qdepth = max_depth; | |
a93c6b45 KD |
1170 | scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth); |
1171 | } | |
1172 | ||
1173 | /** | |
1174 | * _scsih_change_queue_depth - setting device queue depth | |
1175 | * @sdev: scsi device struct | |
1176 | * @qdepth: requested queue depth | |
1177 | * @reason: SCSI_QDEPTH_DEFAULT/SCSI_QDEPTH_QFULL/SCSI_QDEPTH_RAMP_UP | |
1178 | * (see include/scsi/scsi_host.h for definition) | |
1179 | * | |
1180 | * Returns queue depth. | |
1181 | */ | |
1182 | static int | |
1183 | _scsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason) | |
1184 | { | |
1185 | if (reason == SCSI_QDEPTH_DEFAULT || reason == SCSI_QDEPTH_RAMP_UP) | |
1186 | _scsih_adjust_queue_depth(sdev, qdepth); | |
1187 | else if (reason == SCSI_QDEPTH_QFULL) | |
1188 | scsi_track_queue_full(sdev, qdepth); | |
1189 | else | |
1190 | return -EOPNOTSUPP; | |
635374e7 EM |
1191 | |
1192 | if (sdev->inquiry_len > 7) | |
1193 | sdev_printk(KERN_INFO, sdev, "qdepth(%d), tagged(%d), " | |
1194 | "simple(%d), ordered(%d), scsi_level(%d), cmd_que(%d)\n", | |
1195 | sdev->queue_depth, sdev->tagged_supported, sdev->simple_tags, | |
1196 | sdev->ordered_tags, sdev->scsi_level, | |
1197 | (sdev->inquiry[7] & 2) >> 1); | |
1198 | ||
1199 | return sdev->queue_depth; | |
1200 | } | |
1201 | ||
1202 | /** | |
595bb0bd | 1203 | * _scsih_change_queue_type - changing device queue tag type |
635374e7 EM |
1204 | * @sdev: scsi device struct |
1205 | * @tag_type: requested tag type | |
1206 | * | |
1207 | * Returns queue tag type. | |
1208 | */ | |
1209 | static int | |
d5d135b3 | 1210 | _scsih_change_queue_type(struct scsi_device *sdev, int tag_type) |
635374e7 EM |
1211 | { |
1212 | if (sdev->tagged_supported) { | |
1213 | scsi_set_tag_type(sdev, tag_type); | |
1214 | if (tag_type) | |
1215 | scsi_activate_tcq(sdev, sdev->queue_depth); | |
1216 | else | |
1217 | scsi_deactivate_tcq(sdev, sdev->queue_depth); | |
1218 | } else | |
1219 | tag_type = 0; | |
1220 | ||
1221 | return tag_type; | |
1222 | } | |
1223 | ||
1224 | /** | |
d5d135b3 | 1225 | * _scsih_target_alloc - target add routine |
635374e7 EM |
1226 | * @starget: scsi target struct |
1227 | * | |
1228 | * Returns 0 if ok. Any other return is assumed to be an error and | |
1229 | * the device is ignored. | |
1230 | */ | |
1231 | static int | |
d5d135b3 | 1232 | _scsih_target_alloc(struct scsi_target *starget) |
635374e7 EM |
1233 | { |
1234 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
1235 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
1236 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
1237 | struct _sas_device *sas_device; | |
1238 | struct _raid_device *raid_device; | |
1239 | unsigned long flags; | |
1240 | struct sas_rphy *rphy; | |
1241 | ||
1242 | sas_target_priv_data = kzalloc(sizeof(struct scsi_target), GFP_KERNEL); | |
1243 | if (!sas_target_priv_data) | |
1244 | return -ENOMEM; | |
1245 | ||
1246 | starget->hostdata = sas_target_priv_data; | |
1247 | sas_target_priv_data->starget = starget; | |
1248 | sas_target_priv_data->handle = MPT2SAS_INVALID_DEVICE_HANDLE; | |
1249 | ||
1250 | /* RAID volumes */ | |
1251 | if (starget->channel == RAID_CHANNEL) { | |
1252 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1253 | raid_device = _scsih_raid_device_find_by_id(ioc, starget->id, | |
1254 | starget->channel); | |
1255 | if (raid_device) { | |
1256 | sas_target_priv_data->handle = raid_device->handle; | |
1257 | sas_target_priv_data->sas_address = raid_device->wwid; | |
1258 | sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME; | |
1259 | raid_device->starget = starget; | |
1260 | } | |
1261 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
1262 | return 0; | |
1263 | } | |
1264 | ||
1265 | /* sas/sata devices */ | |
1266 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
1267 | rphy = dev_to_rphy(starget->dev.parent); | |
1268 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
1269 | rphy->identify.sas_address); | |
1270 | ||
1271 | if (sas_device) { | |
1272 | sas_target_priv_data->handle = sas_device->handle; | |
1273 | sas_target_priv_data->sas_address = sas_device->sas_address; | |
1274 | sas_device->starget = starget; | |
1275 | sas_device->id = starget->id; | |
1276 | sas_device->channel = starget->channel; | |
f3eedd69 | 1277 | if (test_bit(sas_device->handle, ioc->pd_handles)) |
635374e7 EM |
1278 | sas_target_priv_data->flags |= |
1279 | MPT_TARGET_FLAGS_RAID_COMPONENT; | |
1280 | } | |
1281 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
1282 | ||
1283 | return 0; | |
1284 | } | |
1285 | ||
1286 | /** | |
d5d135b3 | 1287 | * _scsih_target_destroy - target destroy routine |
635374e7 EM |
1288 | * @starget: scsi target struct |
1289 | * | |
1290 | * Returns nothing. | |
1291 | */ | |
1292 | static void | |
d5d135b3 | 1293 | _scsih_target_destroy(struct scsi_target *starget) |
635374e7 EM |
1294 | { |
1295 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
1296 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
1297 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
1298 | struct _sas_device *sas_device; | |
1299 | struct _raid_device *raid_device; | |
1300 | unsigned long flags; | |
1301 | struct sas_rphy *rphy; | |
1302 | ||
1303 | sas_target_priv_data = starget->hostdata; | |
1304 | if (!sas_target_priv_data) | |
1305 | return; | |
1306 | ||
1307 | if (starget->channel == RAID_CHANNEL) { | |
1308 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1309 | raid_device = _scsih_raid_device_find_by_id(ioc, starget->id, | |
1310 | starget->channel); | |
1311 | if (raid_device) { | |
1312 | raid_device->starget = NULL; | |
1313 | raid_device->sdev = NULL; | |
1314 | } | |
1315 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
1316 | goto out; | |
1317 | } | |
1318 | ||
1319 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
1320 | rphy = dev_to_rphy(starget->dev.parent); | |
1321 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
1322 | rphy->identify.sas_address); | |
8901cbb4 EM |
1323 | if (sas_device && (sas_device->starget == starget) && |
1324 | (sas_device->id == starget->id) && | |
1325 | (sas_device->channel == starget->channel)) | |
635374e7 EM |
1326 | sas_device->starget = NULL; |
1327 | ||
1328 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
1329 | ||
1330 | out: | |
1331 | kfree(sas_target_priv_data); | |
1332 | starget->hostdata = NULL; | |
1333 | } | |
1334 | ||
1335 | /** | |
d5d135b3 | 1336 | * _scsih_slave_alloc - device add routine |
635374e7 EM |
1337 | * @sdev: scsi device struct |
1338 | * | |
1339 | * Returns 0 if ok. Any other return is assumed to be an error and | |
1340 | * the device is ignored. | |
1341 | */ | |
1342 | static int | |
d5d135b3 | 1343 | _scsih_slave_alloc(struct scsi_device *sdev) |
635374e7 EM |
1344 | { |
1345 | struct Scsi_Host *shost; | |
1346 | struct MPT2SAS_ADAPTER *ioc; | |
1347 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
1348 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
1349 | struct scsi_target *starget; | |
1350 | struct _raid_device *raid_device; | |
635374e7 EM |
1351 | unsigned long flags; |
1352 | ||
1353 | sas_device_priv_data = kzalloc(sizeof(struct scsi_device), GFP_KERNEL); | |
1354 | if (!sas_device_priv_data) | |
1355 | return -ENOMEM; | |
1356 | ||
1357 | sas_device_priv_data->lun = sdev->lun; | |
1358 | sas_device_priv_data->flags = MPT_DEVICE_FLAGS_INIT; | |
1359 | ||
1360 | starget = scsi_target(sdev); | |
1361 | sas_target_priv_data = starget->hostdata; | |
1362 | sas_target_priv_data->num_luns++; | |
1363 | sas_device_priv_data->sas_target = sas_target_priv_data; | |
1364 | sdev->hostdata = sas_device_priv_data; | |
1365 | if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT)) | |
1366 | sdev->no_uld_attach = 1; | |
1367 | ||
1368 | shost = dev_to_shost(&starget->dev); | |
1369 | ioc = shost_priv(shost); | |
1370 | if (starget->channel == RAID_CHANNEL) { | |
1371 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1372 | raid_device = _scsih_raid_device_find_by_id(ioc, | |
1373 | starget->id, starget->channel); | |
1374 | if (raid_device) | |
1375 | raid_device->sdev = sdev; /* raid is single lun */ | |
1376 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
635374e7 EM |
1377 | } |
1378 | ||
635374e7 EM |
1379 | return 0; |
1380 | } | |
1381 | ||
1382 | /** | |
d5d135b3 | 1383 | * _scsih_slave_destroy - device destroy routine |
635374e7 EM |
1384 | * @sdev: scsi device struct |
1385 | * | |
1386 | * Returns nothing. | |
1387 | */ | |
1388 | static void | |
d5d135b3 | 1389 | _scsih_slave_destroy(struct scsi_device *sdev) |
635374e7 EM |
1390 | { |
1391 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
1392 | struct scsi_target *starget; | |
1393 | ||
1394 | if (!sdev->hostdata) | |
1395 | return; | |
1396 | ||
1397 | starget = scsi_target(sdev); | |
1398 | sas_target_priv_data = starget->hostdata; | |
1399 | sas_target_priv_data->num_luns--; | |
1400 | kfree(sdev->hostdata); | |
1401 | sdev->hostdata = NULL; | |
1402 | } | |
1403 | ||
1404 | /** | |
d5d135b3 | 1405 | * _scsih_display_sata_capabilities - sata capabilities |
635374e7 EM |
1406 | * @ioc: per adapter object |
1407 | * @sas_device: the sas_device object | |
1408 | * @sdev: scsi device struct | |
1409 | */ | |
1410 | static void | |
d5d135b3 | 1411 | _scsih_display_sata_capabilities(struct MPT2SAS_ADAPTER *ioc, |
635374e7 EM |
1412 | struct _sas_device *sas_device, struct scsi_device *sdev) |
1413 | { | |
1414 | Mpi2ConfigReply_t mpi_reply; | |
1415 | Mpi2SasDevicePage0_t sas_device_pg0; | |
1416 | u32 ioc_status; | |
1417 | u16 flags; | |
1418 | u32 device_info; | |
1419 | ||
1420 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
1421 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, sas_device->handle))) { | |
1422 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1423 | ioc->name, __FILE__, __LINE__, __func__); | |
1424 | return; | |
1425 | } | |
1426 | ||
1427 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
1428 | MPI2_IOCSTATUS_MASK; | |
1429 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
1430 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1431 | ioc->name, __FILE__, __LINE__, __func__); | |
1432 | return; | |
1433 | } | |
1434 | ||
1435 | flags = le16_to_cpu(sas_device_pg0.Flags); | |
e94f6747 | 1436 | device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); |
635374e7 EM |
1437 | |
1438 | sdev_printk(KERN_INFO, sdev, | |
1439 | "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), " | |
1440 | "sw_preserve(%s)\n", | |
1441 | (device_info & MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? "y" : "n", | |
1442 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED) ? "y" : "n", | |
1443 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY) ? "y" : | |
1444 | "n", | |
1445 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED) ? "y" : "n", | |
1446 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED) ? "y" : "n", | |
1447 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE) ? "y" : "n"); | |
1448 | } | |
1449 | ||
f7c95ef0 KD |
1450 | /** |
1451 | * _scsih_is_raid - return boolean indicating device is raid volume | |
1452 | * @dev the device struct object | |
1453 | */ | |
1454 | static int | |
1455 | _scsih_is_raid(struct device *dev) | |
1456 | { | |
1457 | struct scsi_device *sdev = to_scsi_device(dev); | |
1458 | ||
1459 | return (sdev->channel == RAID_CHANNEL) ? 1 : 0; | |
1460 | } | |
1461 | ||
1462 | /** | |
1463 | * _scsih_get_resync - get raid volume resync percent complete | |
1464 | * @dev the device struct object | |
1465 | */ | |
1466 | static void | |
1467 | _scsih_get_resync(struct device *dev) | |
1468 | { | |
1469 | struct scsi_device *sdev = to_scsi_device(dev); | |
1470 | struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host); | |
1471 | static struct _raid_device *raid_device; | |
1472 | unsigned long flags; | |
1473 | Mpi2RaidVolPage0_t vol_pg0; | |
1474 | Mpi2ConfigReply_t mpi_reply; | |
1475 | u32 volume_status_flags; | |
1476 | u8 percent_complete = 0; | |
1477 | ||
1478 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1479 | raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id, | |
1480 | sdev->channel); | |
1481 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
1482 | ||
1483 | if (!raid_device) | |
1484 | goto out; | |
1485 | ||
1486 | if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0, | |
1487 | MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, | |
1488 | sizeof(Mpi2RaidVolPage0_t))) { | |
1489 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1490 | ioc->name, __FILE__, __LINE__, __func__); | |
1491 | goto out; | |
1492 | } | |
1493 | ||
1494 | volume_status_flags = le32_to_cpu(vol_pg0.VolumeStatusFlags); | |
1495 | if (volume_status_flags & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) | |
1496 | percent_complete = raid_device->percent_complete; | |
1497 | out: | |
1498 | raid_set_resync(mpt2sas_raid_template, dev, percent_complete); | |
1499 | } | |
1500 | ||
1501 | /** | |
1502 | * _scsih_get_state - get raid volume level | |
1503 | * @dev the device struct object | |
1504 | */ | |
1505 | static void | |
1506 | _scsih_get_state(struct device *dev) | |
1507 | { | |
1508 | struct scsi_device *sdev = to_scsi_device(dev); | |
1509 | struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host); | |
1510 | static struct _raid_device *raid_device; | |
1511 | unsigned long flags; | |
1512 | Mpi2RaidVolPage0_t vol_pg0; | |
1513 | Mpi2ConfigReply_t mpi_reply; | |
1514 | u32 volstate; | |
1515 | enum raid_state state = RAID_STATE_UNKNOWN; | |
1516 | ||
1517 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1518 | raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id, | |
1519 | sdev->channel); | |
1520 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
1521 | ||
1522 | if (!raid_device) | |
1523 | goto out; | |
1524 | ||
1525 | if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0, | |
1526 | MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, | |
1527 | sizeof(Mpi2RaidVolPage0_t))) { | |
1528 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1529 | ioc->name, __FILE__, __LINE__, __func__); | |
1530 | goto out; | |
1531 | } | |
1532 | ||
1533 | volstate = le32_to_cpu(vol_pg0.VolumeStatusFlags); | |
1534 | if (volstate & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) { | |
1535 | state = RAID_STATE_RESYNCING; | |
1536 | goto out; | |
1537 | } | |
1538 | ||
1539 | switch (vol_pg0.VolumeState) { | |
1540 | case MPI2_RAID_VOL_STATE_OPTIMAL: | |
1541 | case MPI2_RAID_VOL_STATE_ONLINE: | |
1542 | state = RAID_STATE_ACTIVE; | |
1543 | break; | |
1544 | case MPI2_RAID_VOL_STATE_DEGRADED: | |
1545 | state = RAID_STATE_DEGRADED; | |
1546 | break; | |
1547 | case MPI2_RAID_VOL_STATE_FAILED: | |
1548 | case MPI2_RAID_VOL_STATE_MISSING: | |
1549 | state = RAID_STATE_OFFLINE; | |
1550 | break; | |
1551 | } | |
1552 | out: | |
1553 | raid_set_state(mpt2sas_raid_template, dev, state); | |
1554 | } | |
1555 | ||
1556 | /** | |
1557 | * _scsih_set_level - set raid level | |
1558 | * @sdev: scsi device struct | |
1559 | * @raid_device: raid_device object | |
1560 | */ | |
1561 | static void | |
1562 | _scsih_set_level(struct scsi_device *sdev, struct _raid_device *raid_device) | |
1563 | { | |
1564 | enum raid_level level = RAID_LEVEL_UNKNOWN; | |
1565 | ||
1566 | switch (raid_device->volume_type) { | |
1567 | case MPI2_RAID_VOL_TYPE_RAID0: | |
1568 | level = RAID_LEVEL_0; | |
1569 | break; | |
1570 | case MPI2_RAID_VOL_TYPE_RAID10: | |
1571 | level = RAID_LEVEL_10; | |
1572 | break; | |
1573 | case MPI2_RAID_VOL_TYPE_RAID1E: | |
1574 | level = RAID_LEVEL_1E; | |
1575 | break; | |
1576 | case MPI2_RAID_VOL_TYPE_RAID1: | |
1577 | level = RAID_LEVEL_1; | |
1578 | break; | |
1579 | } | |
1580 | ||
1581 | raid_set_level(mpt2sas_raid_template, &sdev->sdev_gendev, level); | |
1582 | } | |
1583 | ||
635374e7 EM |
1584 | /** |
1585 | * _scsih_get_volume_capabilities - volume capabilities | |
1586 | * @ioc: per adapter object | |
1587 | * @sas_device: the raid_device object | |
1588 | */ | |
1589 | static void | |
1590 | _scsih_get_volume_capabilities(struct MPT2SAS_ADAPTER *ioc, | |
1591 | struct _raid_device *raid_device) | |
1592 | { | |
1593 | Mpi2RaidVolPage0_t *vol_pg0; | |
1594 | Mpi2RaidPhysDiskPage0_t pd_pg0; | |
1595 | Mpi2SasDevicePage0_t sas_device_pg0; | |
1596 | Mpi2ConfigReply_t mpi_reply; | |
1597 | u16 sz; | |
1598 | u8 num_pds; | |
1599 | ||
1600 | if ((mpt2sas_config_get_number_pds(ioc, raid_device->handle, | |
1601 | &num_pds)) || !num_pds) { | |
1602 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1603 | ioc->name, __FILE__, __LINE__, __func__); | |
1604 | return; | |
1605 | } | |
1606 | ||
1607 | raid_device->num_pds = num_pds; | |
1608 | sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds * | |
1609 | sizeof(Mpi2RaidVol0PhysDisk_t)); | |
1610 | vol_pg0 = kzalloc(sz, GFP_KERNEL); | |
1611 | if (!vol_pg0) { | |
1612 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1613 | ioc->name, __FILE__, __LINE__, __func__); | |
1614 | return; | |
1615 | } | |
1616 | ||
1617 | if ((mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0, | |
1618 | MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) { | |
1619 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1620 | ioc->name, __FILE__, __LINE__, __func__); | |
1621 | kfree(vol_pg0); | |
1622 | return; | |
1623 | } | |
1624 | ||
1625 | raid_device->volume_type = vol_pg0->VolumeType; | |
1626 | ||
1627 | /* figure out what the underlying devices are by | |
1628 | * obtaining the device_info bits for the 1st device | |
1629 | */ | |
1630 | if (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply, | |
1631 | &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM, | |
1632 | vol_pg0->PhysDisk[0].PhysDiskNum))) { | |
1633 | if (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, | |
1634 | &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, | |
1635 | le16_to_cpu(pd_pg0.DevHandle)))) { | |
1636 | raid_device->device_info = | |
1637 | le32_to_cpu(sas_device_pg0.DeviceInfo); | |
1638 | } | |
1639 | } | |
1640 | ||
1641 | kfree(vol_pg0); | |
1642 | } | |
1643 | ||
84f0b04a KD |
1644 | /** |
1645 | * _scsih_enable_tlr - setting TLR flags | |
1646 | * @ioc: per adapter object | |
1647 | * @sdev: scsi device struct | |
1648 | * | |
1649 | * Enabling Transaction Layer Retries for tape devices when | |
1650 | * vpd page 0x90 is present | |
1651 | * | |
1652 | */ | |
1653 | static void | |
1654 | _scsih_enable_tlr(struct MPT2SAS_ADAPTER *ioc, struct scsi_device *sdev) | |
1655 | { | |
1656 | /* only for TAPE */ | |
1657 | if (sdev->type != TYPE_TAPE) | |
1658 | return; | |
1659 | ||
1660 | if (!(ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR)) | |
1661 | return; | |
1662 | ||
1663 | sas_enable_tlr(sdev); | |
1664 | sdev_printk(KERN_INFO, sdev, "TLR %s\n", | |
1665 | sas_is_tlr_enabled(sdev) ? "Enabled" : "Disabled"); | |
1666 | return; | |
1667 | ||
1668 | } | |
1669 | ||
635374e7 | 1670 | /** |
d5d135b3 | 1671 | * _scsih_slave_configure - device configure routine. |
635374e7 EM |
1672 | * @sdev: scsi device struct |
1673 | * | |
1674 | * Returns 0 if ok. Any other return is assumed to be an error and | |
1675 | * the device is ignored. | |
1676 | */ | |
1677 | static int | |
d5d135b3 | 1678 | _scsih_slave_configure(struct scsi_device *sdev) |
635374e7 EM |
1679 | { |
1680 | struct Scsi_Host *shost = sdev->host; | |
1681 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
1682 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
1683 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
1684 | struct _sas_device *sas_device; | |
1685 | struct _raid_device *raid_device; | |
1686 | unsigned long flags; | |
1687 | int qdepth; | |
1688 | u8 ssp_target = 0; | |
1689 | char *ds = ""; | |
1690 | char *r_level = ""; | |
1691 | ||
1692 | qdepth = 1; | |
1693 | sas_device_priv_data = sdev->hostdata; | |
1694 | sas_device_priv_data->configured_lun = 1; | |
1695 | sas_device_priv_data->flags &= ~MPT_DEVICE_FLAGS_INIT; | |
1696 | sas_target_priv_data = sas_device_priv_data->sas_target; | |
1697 | ||
1698 | /* raid volume handling */ | |
1699 | if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME) { | |
1700 | ||
1701 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1702 | raid_device = _scsih_raid_device_find_by_handle(ioc, | |
1703 | sas_target_priv_data->handle); | |
1704 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
1705 | if (!raid_device) { | |
1706 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1707 | ioc->name, __FILE__, __LINE__, __func__); | |
1708 | return 0; | |
1709 | } | |
1710 | ||
1711 | _scsih_get_volume_capabilities(ioc, raid_device); | |
1712 | ||
1713 | /* RAID Queue Depth Support | |
1714 | * IS volume = underlying qdepth of drive type, either | |
1715 | * MPT2SAS_SAS_QUEUE_DEPTH or MPT2SAS_SATA_QUEUE_DEPTH | |
1716 | * IM/IME/R10 = 128 (MPT2SAS_RAID_QUEUE_DEPTH) | |
1717 | */ | |
1718 | if (raid_device->device_info & | |
1719 | MPI2_SAS_DEVICE_INFO_SSP_TARGET) { | |
1720 | qdepth = MPT2SAS_SAS_QUEUE_DEPTH; | |
1721 | ds = "SSP"; | |
1722 | } else { | |
1723 | qdepth = MPT2SAS_SATA_QUEUE_DEPTH; | |
1724 | if (raid_device->device_info & | |
1725 | MPI2_SAS_DEVICE_INFO_SATA_DEVICE) | |
1726 | ds = "SATA"; | |
1727 | else | |
1728 | ds = "STP"; | |
1729 | } | |
1730 | ||
1731 | switch (raid_device->volume_type) { | |
1732 | case MPI2_RAID_VOL_TYPE_RAID0: | |
1733 | r_level = "RAID0"; | |
1734 | break; | |
1735 | case MPI2_RAID_VOL_TYPE_RAID1E: | |
1736 | qdepth = MPT2SAS_RAID_QUEUE_DEPTH; | |
ed79f128 KD |
1737 | if (ioc->manu_pg10.OEMIdentifier && |
1738 | (ioc->manu_pg10.GenericFlags0 & | |
1739 | MFG10_GF0_R10_DISPLAY) && | |
1740 | !(raid_device->num_pds % 2)) | |
1741 | r_level = "RAID10"; | |
1742 | else | |
1743 | r_level = "RAID1E"; | |
635374e7 EM |
1744 | break; |
1745 | case MPI2_RAID_VOL_TYPE_RAID1: | |
1746 | qdepth = MPT2SAS_RAID_QUEUE_DEPTH; | |
1747 | r_level = "RAID1"; | |
1748 | break; | |
1749 | case MPI2_RAID_VOL_TYPE_RAID10: | |
1750 | qdepth = MPT2SAS_RAID_QUEUE_DEPTH; | |
1751 | r_level = "RAID10"; | |
1752 | break; | |
1753 | case MPI2_RAID_VOL_TYPE_UNKNOWN: | |
1754 | default: | |
1755 | qdepth = MPT2SAS_RAID_QUEUE_DEPTH; | |
1756 | r_level = "RAIDX"; | |
1757 | break; | |
1758 | } | |
1759 | ||
1760 | sdev_printk(KERN_INFO, sdev, "%s: " | |
1761 | "handle(0x%04x), wwid(0x%016llx), pd_count(%d), type(%s)\n", | |
1762 | r_level, raid_device->handle, | |
1763 | (unsigned long long)raid_device->wwid, | |
1764 | raid_device->num_pds, ds); | |
e881a172 | 1765 | _scsih_change_queue_depth(sdev, qdepth, SCSI_QDEPTH_DEFAULT); |
f7c95ef0 KD |
1766 | /* raid transport support */ |
1767 | _scsih_set_level(sdev, raid_device); | |
635374e7 EM |
1768 | return 0; |
1769 | } | |
1770 | ||
1771 | /* non-raid handling */ | |
1772 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
1773 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
1774 | sas_device_priv_data->sas_target->sas_address); | |
1775 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
1776 | if (sas_device) { | |
1777 | if (sas_target_priv_data->flags & | |
1778 | MPT_TARGET_FLAGS_RAID_COMPONENT) { | |
1779 | mpt2sas_config_get_volume_handle(ioc, | |
1780 | sas_device->handle, &sas_device->volume_handle); | |
1781 | mpt2sas_config_get_volume_wwid(ioc, | |
1782 | sas_device->volume_handle, | |
1783 | &sas_device->volume_wwid); | |
1784 | } | |
1785 | if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) { | |
1786 | qdepth = MPT2SAS_SAS_QUEUE_DEPTH; | |
1787 | ssp_target = 1; | |
1788 | ds = "SSP"; | |
1789 | } else { | |
1790 | qdepth = MPT2SAS_SATA_QUEUE_DEPTH; | |
1791 | if (sas_device->device_info & | |
1792 | MPI2_SAS_DEVICE_INFO_STP_TARGET) | |
1793 | ds = "STP"; | |
1794 | else if (sas_device->device_info & | |
1795 | MPI2_SAS_DEVICE_INFO_SATA_DEVICE) | |
1796 | ds = "SATA"; | |
1797 | } | |
1798 | ||
1799 | sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), " | |
7fbae67a | 1800 | "sas_addr(0x%016llx), phy(%d), device_name(0x%016llx)\n", |
635374e7 EM |
1801 | ds, sas_device->handle, |
1802 | (unsigned long long)sas_device->sas_address, | |
7fbae67a | 1803 | sas_device->phy, |
635374e7 EM |
1804 | (unsigned long long)sas_device->device_name); |
1805 | sdev_printk(KERN_INFO, sdev, "%s: " | |
1806 | "enclosure_logical_id(0x%016llx), slot(%d)\n", ds, | |
1807 | (unsigned long long) sas_device->enclosure_logical_id, | |
1808 | sas_device->slot); | |
1809 | ||
1810 | if (!ssp_target) | |
d5d135b3 | 1811 | _scsih_display_sata_capabilities(ioc, sas_device, sdev); |
635374e7 EM |
1812 | } |
1813 | ||
e881a172 | 1814 | _scsih_change_queue_depth(sdev, qdepth, SCSI_QDEPTH_DEFAULT); |
635374e7 | 1815 | |
84f0b04a | 1816 | if (ssp_target) { |
635374e7 | 1817 | sas_read_port_mode_page(sdev); |
84f0b04a KD |
1818 | _scsih_enable_tlr(ioc, sdev); |
1819 | } | |
635374e7 EM |
1820 | return 0; |
1821 | } | |
1822 | ||
1823 | /** | |
d5d135b3 | 1824 | * _scsih_bios_param - fetch head, sector, cylinder info for a disk |
635374e7 EM |
1825 | * @sdev: scsi device struct |
1826 | * @bdev: pointer to block device context | |
1827 | * @capacity: device size (in 512 byte sectors) | |
1828 | * @params: three element array to place output: | |
1829 | * params[0] number of heads (max 255) | |
1830 | * params[1] number of sectors (max 63) | |
1831 | * params[2] number of cylinders | |
1832 | * | |
1833 | * Return nothing. | |
1834 | */ | |
1835 | static int | |
d5d135b3 | 1836 | _scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev, |
635374e7 EM |
1837 | sector_t capacity, int params[]) |
1838 | { | |
1839 | int heads; | |
1840 | int sectors; | |
1841 | sector_t cylinders; | |
1842 | ulong dummy; | |
1843 | ||
1844 | heads = 64; | |
1845 | sectors = 32; | |
1846 | ||
1847 | dummy = heads * sectors; | |
1848 | cylinders = capacity; | |
1849 | sector_div(cylinders, dummy); | |
1850 | ||
1851 | /* | |
1852 | * Handle extended translation size for logical drives | |
1853 | * > 1Gb | |
1854 | */ | |
1855 | if ((ulong)capacity >= 0x200000) { | |
1856 | heads = 255; | |
1857 | sectors = 63; | |
1858 | dummy = heads * sectors; | |
1859 | cylinders = capacity; | |
1860 | sector_div(cylinders, dummy); | |
1861 | } | |
1862 | ||
1863 | /* return result */ | |
1864 | params[0] = heads; | |
1865 | params[1] = sectors; | |
1866 | params[2] = cylinders; | |
1867 | ||
1868 | return 0; | |
1869 | } | |
1870 | ||
1871 | /** | |
1872 | * _scsih_response_code - translation of device response code | |
1873 | * @ioc: per adapter object | |
1874 | * @response_code: response code returned by the device | |
1875 | * | |
1876 | * Return nothing. | |
1877 | */ | |
1878 | static void | |
1879 | _scsih_response_code(struct MPT2SAS_ADAPTER *ioc, u8 response_code) | |
1880 | { | |
1881 | char *desc; | |
1882 | ||
1883 | switch (response_code) { | |
1884 | case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE: | |
1885 | desc = "task management request completed"; | |
1886 | break; | |
1887 | case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME: | |
1888 | desc = "invalid frame"; | |
1889 | break; | |
1890 | case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED: | |
1891 | desc = "task management request not supported"; | |
1892 | break; | |
1893 | case MPI2_SCSITASKMGMT_RSP_TM_FAILED: | |
1894 | desc = "task management request failed"; | |
1895 | break; | |
1896 | case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED: | |
1897 | desc = "task management request succeeded"; | |
1898 | break; | |
1899 | case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN: | |
1900 | desc = "invalid lun"; | |
1901 | break; | |
1902 | case 0xA: | |
1903 | desc = "overlapped tag attempted"; | |
1904 | break; | |
1905 | case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC: | |
1906 | desc = "task queued, however not sent to target"; | |
1907 | break; | |
1908 | default: | |
1909 | desc = "unknown"; | |
1910 | break; | |
1911 | } | |
1912 | printk(MPT2SAS_WARN_FMT "response_code(0x%01x): %s\n", | |
1913 | ioc->name, response_code, desc); | |
1914 | } | |
1915 | ||
1916 | /** | |
d5d135b3 | 1917 | * _scsih_tm_done - tm completion routine |
635374e7 EM |
1918 | * @ioc: per adapter object |
1919 | * @smid: system request message index | |
7b936b02 | 1920 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
1921 | * @reply: reply message frame(lower 32bit addr) |
1922 | * Context: none. | |
1923 | * | |
1924 | * The callback handler when using scsih_issue_tm. | |
1925 | * | |
77e63ed4 KD |
1926 | * Return 1 meaning mf should be freed from _base_interrupt |
1927 | * 0 means the mf is freed from this function. | |
635374e7 | 1928 | */ |
77e63ed4 | 1929 | static u8 |
7b936b02 | 1930 | _scsih_tm_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) |
635374e7 EM |
1931 | { |
1932 | MPI2DefaultReply_t *mpi_reply; | |
1933 | ||
1934 | if (ioc->tm_cmds.status == MPT2_CMD_NOT_USED) | |
77e63ed4 | 1935 | return 1; |
635374e7 | 1936 | if (ioc->tm_cmds.smid != smid) |
77e63ed4 | 1937 | return 1; |
635374e7 EM |
1938 | ioc->tm_cmds.status |= MPT2_CMD_COMPLETE; |
1939 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
1940 | if (mpi_reply) { | |
1941 | memcpy(ioc->tm_cmds.reply, mpi_reply, mpi_reply->MsgLength*4); | |
1942 | ioc->tm_cmds.status |= MPT2_CMD_REPLY_VALID; | |
1943 | } | |
1944 | ioc->tm_cmds.status &= ~MPT2_CMD_PENDING; | |
1945 | complete(&ioc->tm_cmds.done); | |
77e63ed4 | 1946 | return 1; |
635374e7 EM |
1947 | } |
1948 | ||
1949 | /** | |
1950 | * mpt2sas_scsih_set_tm_flag - set per target tm_busy | |
1951 | * @ioc: per adapter object | |
1952 | * @handle: device handle | |
1953 | * | |
1954 | * During taskmangement request, we need to freeze the device queue. | |
1955 | */ | |
1956 | void | |
1957 | mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
1958 | { | |
1959 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
1960 | struct scsi_device *sdev; | |
1961 | u8 skip = 0; | |
1962 | ||
1963 | shost_for_each_device(sdev, ioc->shost) { | |
1964 | if (skip) | |
1965 | continue; | |
1966 | sas_device_priv_data = sdev->hostdata; | |
1967 | if (!sas_device_priv_data) | |
1968 | continue; | |
1969 | if (sas_device_priv_data->sas_target->handle == handle) { | |
1970 | sas_device_priv_data->sas_target->tm_busy = 1; | |
1971 | skip = 1; | |
1972 | ioc->ignore_loginfos = 1; | |
1973 | } | |
1974 | } | |
1975 | } | |
1976 | ||
1977 | /** | |
1978 | * mpt2sas_scsih_clear_tm_flag - clear per target tm_busy | |
1979 | * @ioc: per adapter object | |
1980 | * @handle: device handle | |
1981 | * | |
1982 | * During taskmangement request, we need to freeze the device queue. | |
1983 | */ | |
1984 | void | |
1985 | mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
1986 | { | |
1987 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
1988 | struct scsi_device *sdev; | |
1989 | u8 skip = 0; | |
1990 | ||
1991 | shost_for_each_device(sdev, ioc->shost) { | |
1992 | if (skip) | |
1993 | continue; | |
1994 | sas_device_priv_data = sdev->hostdata; | |
1995 | if (!sas_device_priv_data) | |
1996 | continue; | |
1997 | if (sas_device_priv_data->sas_target->handle == handle) { | |
1998 | sas_device_priv_data->sas_target->tm_busy = 0; | |
1999 | skip = 1; | |
2000 | ioc->ignore_loginfos = 0; | |
2001 | } | |
2002 | } | |
2003 | } | |
2004 | ||
8ed9a03a | 2005 | |
635374e7 EM |
2006 | /** |
2007 | * mpt2sas_scsih_issue_tm - main routine for sending tm requests | |
2008 | * @ioc: per adapter struct | |
2009 | * @device_handle: device handle | |
8ed9a03a KD |
2010 | * @channel: the channel assigned by the OS |
2011 | * @id: the id assigned by the OS | |
635374e7 EM |
2012 | * @lun: lun number |
2013 | * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h) | |
2014 | * @smid_task: smid assigned to the task | |
2015 | * @timeout: timeout in seconds | |
8ed9a03a | 2016 | * Context: user |
635374e7 EM |
2017 | * |
2018 | * A generic API for sending task management requests to firmware. | |
2019 | * | |
635374e7 EM |
2020 | * The callback index is set inside `ioc->tm_cb_idx`. |
2021 | * | |
8ed9a03a | 2022 | * Return SUCCESS or FAILED. |
635374e7 | 2023 | */ |
8ed9a03a KD |
2024 | int |
2025 | mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint channel, | |
2026 | uint id, uint lun, u8 type, u16 smid_task, ulong timeout, | |
2027 | struct scsi_cmnd *scmd) | |
635374e7 EM |
2028 | { |
2029 | Mpi2SCSITaskManagementRequest_t *mpi_request; | |
2030 | Mpi2SCSITaskManagementReply_t *mpi_reply; | |
2031 | u16 smid = 0; | |
2032 | u32 ioc_state; | |
2033 | unsigned long timeleft; | |
8ed9a03a KD |
2034 | struct scsi_cmnd *scmd_lookup; |
2035 | int rc; | |
635374e7 | 2036 | |
8ed9a03a | 2037 | mutex_lock(&ioc->tm_cmds.mutex); |
155dd4c7 KD |
2038 | if (ioc->tm_cmds.status != MPT2_CMD_NOT_USED) { |
2039 | printk(MPT2SAS_INFO_FMT "%s: tm_cmd busy!!!\n", | |
2040 | __func__, ioc->name); | |
8ed9a03a KD |
2041 | rc = FAILED; |
2042 | goto err_out; | |
155dd4c7 KD |
2043 | } |
2044 | ||
3cb5469a EM |
2045 | if (ioc->shost_recovery || ioc->remove_host || |
2046 | ioc->pci_error_recovery) { | |
635374e7 EM |
2047 | printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", |
2048 | __func__, ioc->name); | |
8ed9a03a KD |
2049 | rc = FAILED; |
2050 | goto err_out; | |
635374e7 | 2051 | } |
635374e7 EM |
2052 | |
2053 | ioc_state = mpt2sas_base_get_iocstate(ioc, 0); | |
2054 | if (ioc_state & MPI2_DOORBELL_USED) { | |
eabb08ad | 2055 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "unexpected doorbell " |
635374e7 | 2056 | "active!\n", ioc->name)); |
8ed9a03a KD |
2057 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, |
2058 | FORCE_BIG_HAMMER); | |
2059 | rc = SUCCESS; | |
2060 | goto err_out; | |
635374e7 EM |
2061 | } |
2062 | ||
2063 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { | |
2064 | mpt2sas_base_fault_info(ioc, ioc_state & | |
2065 | MPI2_DOORBELL_DATA_MASK); | |
8ed9a03a KD |
2066 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, |
2067 | FORCE_BIG_HAMMER); | |
2068 | rc = SUCCESS; | |
2069 | goto err_out; | |
635374e7 EM |
2070 | } |
2071 | ||
595bb0bd | 2072 | smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx); |
635374e7 EM |
2073 | if (!smid) { |
2074 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
2075 | ioc->name, __func__); | |
8ed9a03a KD |
2076 | rc = FAILED; |
2077 | goto err_out; | |
635374e7 EM |
2078 | } |
2079 | ||
2080 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "sending tm: handle(0x%04x)," | |
595bb0bd KD |
2081 | " task_type(0x%02x), smid(%d)\n", ioc->name, handle, type, |
2082 | smid_task)); | |
635374e7 EM |
2083 | ioc->tm_cmds.status = MPT2_CMD_PENDING; |
2084 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
2085 | ioc->tm_cmds.smid = smid; | |
2086 | memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t)); | |
2087 | mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; | |
2088 | mpi_request->DevHandle = cpu_to_le16(handle); | |
2089 | mpi_request->TaskType = type; | |
2090 | mpi_request->TaskMID = cpu_to_le16(smid_task); | |
2091 | int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN); | |
2092 | mpt2sas_scsih_set_tm_flag(ioc, handle); | |
5b768581 | 2093 | init_completion(&ioc->tm_cmds.done); |
7b936b02 | 2094 | mpt2sas_base_put_smid_hi_priority(ioc, smid); |
635374e7 | 2095 | timeleft = wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ); |
635374e7 EM |
2096 | if (!(ioc->tm_cmds.status & MPT2_CMD_COMPLETE)) { |
2097 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
2098 | ioc->name, __func__); | |
2099 | _debug_dump_mf(mpi_request, | |
2100 | sizeof(Mpi2SCSITaskManagementRequest_t)/4); | |
8ed9a03a KD |
2101 | if (!(ioc->tm_cmds.status & MPT2_CMD_RESET)) { |
2102 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
2103 | FORCE_BIG_HAMMER); | |
2104 | rc = SUCCESS; | |
2105 | ioc->tm_cmds.status = MPT2_CMD_NOT_USED; | |
2106 | mpt2sas_scsih_clear_tm_flag(ioc, handle); | |
2107 | goto err_out; | |
2108 | } | |
635374e7 EM |
2109 | } |
2110 | ||
2111 | if (ioc->tm_cmds.status & MPT2_CMD_REPLY_VALID) { | |
2112 | mpi_reply = ioc->tm_cmds.reply; | |
2113 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "complete tm: " | |
2114 | "ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n", | |
2115 | ioc->name, le16_to_cpu(mpi_reply->IOCStatus), | |
2116 | le32_to_cpu(mpi_reply->IOCLogInfo), | |
2117 | le32_to_cpu(mpi_reply->TerminationCount))); | |
8ed9a03a | 2118 | if (ioc->logging_level & MPT_DEBUG_TM) { |
635374e7 | 2119 | _scsih_response_code(ioc, mpi_reply->ResponseCode); |
8ed9a03a KD |
2120 | if (mpi_reply->IOCStatus) |
2121 | _debug_dump_mf(mpi_request, | |
2122 | sizeof(Mpi2SCSITaskManagementRequest_t)/4); | |
2123 | } | |
635374e7 | 2124 | } |
8ed9a03a KD |
2125 | |
2126 | /* sanity check: | |
2127 | * Check to see the commands were terminated. | |
2128 | * This is only needed for eh callbacks, hence the scmd check. | |
2129 | */ | |
2130 | rc = FAILED; | |
2131 | if (scmd == NULL) | |
2132 | goto bypass_sanity_checks; | |
2133 | switch (type) { | |
2134 | case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK: | |
2135 | scmd_lookup = _scsih_scsi_lookup_get(ioc, smid_task); | |
2136 | if (scmd_lookup && (scmd_lookup->serial_number == | |
2137 | scmd->serial_number)) | |
2138 | rc = FAILED; | |
2139 | else | |
2140 | rc = SUCCESS; | |
2141 | break; | |
2142 | ||
2143 | case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET: | |
2144 | if (_scsih_scsi_lookup_find_by_target(ioc, id, channel)) | |
2145 | rc = FAILED; | |
2146 | else | |
2147 | rc = SUCCESS; | |
2148 | break; | |
2149 | ||
2150 | case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET: | |
2151 | if (_scsih_scsi_lookup_find_by_lun(ioc, id, lun, channel)) | |
2152 | rc = FAILED; | |
2153 | else | |
2154 | rc = SUCCESS; | |
2155 | break; | |
2156 | } | |
2157 | ||
2158 | bypass_sanity_checks: | |
2159 | ||
2160 | mpt2sas_scsih_clear_tm_flag(ioc, handle); | |
2161 | ioc->tm_cmds.status = MPT2_CMD_NOT_USED; | |
2162 | mutex_unlock(&ioc->tm_cmds.mutex); | |
2163 | ||
2164 | return rc; | |
2165 | ||
2166 | err_out: | |
2167 | mutex_unlock(&ioc->tm_cmds.mutex); | |
2168 | return rc; | |
635374e7 EM |
2169 | } |
2170 | ||
8e864a81 KD |
2171 | /** |
2172 | * _scsih_tm_display_info - displays info about the device | |
2173 | * @ioc: per adapter struct | |
2174 | * @scmd: pointer to scsi command object | |
2175 | * | |
2176 | * Called by task management callback handlers. | |
2177 | */ | |
2178 | static void | |
2179 | _scsih_tm_display_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd) | |
2180 | { | |
2181 | struct scsi_target *starget = scmd->device->sdev_target; | |
2182 | struct MPT2SAS_TARGET *priv_target = starget->hostdata; | |
2183 | struct _sas_device *sas_device = NULL; | |
2184 | unsigned long flags; | |
2185 | ||
2186 | if (!priv_target) | |
2187 | return; | |
2188 | ||
2189 | scsi_print_command(scmd); | |
2190 | if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) { | |
2191 | starget_printk(KERN_INFO, starget, "volume handle(0x%04x), " | |
2192 | "volume wwid(0x%016llx)\n", | |
2193 | priv_target->handle, | |
2194 | (unsigned long long)priv_target->sas_address); | |
2195 | } else { | |
2196 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
2197 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
2198 | priv_target->sas_address); | |
2199 | if (sas_device) { | |
2200 | if (priv_target->flags & | |
2201 | MPT_TARGET_FLAGS_RAID_COMPONENT) { | |
2202 | starget_printk(KERN_INFO, starget, | |
2203 | "volume handle(0x%04x), " | |
2204 | "volume wwid(0x%016llx)\n", | |
2205 | sas_device->volume_handle, | |
2206 | (unsigned long long)sas_device->volume_wwid); | |
2207 | } | |
2208 | starget_printk(KERN_INFO, starget, | |
2209 | "handle(0x%04x), sas_address(0x%016llx), phy(%d)\n", | |
2210 | sas_device->handle, | |
2211 | (unsigned long long)sas_device->sas_address, | |
2212 | sas_device->phy); | |
2213 | starget_printk(KERN_INFO, starget, | |
2214 | "enclosure_logical_id(0x%016llx), slot(%d)\n", | |
2215 | (unsigned long long)sas_device->enclosure_logical_id, | |
2216 | sas_device->slot); | |
2217 | } | |
2218 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
2219 | } | |
2220 | } | |
2221 | ||
635374e7 | 2222 | /** |
d5d135b3 | 2223 | * _scsih_abort - eh threads main abort routine |
8e864a81 | 2224 | * @scmd: pointer to scsi command object |
635374e7 EM |
2225 | * |
2226 | * Returns SUCCESS if command aborted else FAILED | |
2227 | */ | |
2228 | static int | |
d5d135b3 | 2229 | _scsih_abort(struct scsi_cmnd *scmd) |
635374e7 EM |
2230 | { |
2231 | struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); | |
2232 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
2233 | u16 smid; | |
2234 | u16 handle; | |
2235 | int r; | |
635374e7 | 2236 | |
8e864a81 KD |
2237 | sdev_printk(KERN_INFO, scmd->device, "attempting task abort! " |
2238 | "scmd(%p)\n", scmd); | |
2239 | _scsih_tm_display_info(ioc, scmd); | |
635374e7 EM |
2240 | |
2241 | sas_device_priv_data = scmd->device->hostdata; | |
2242 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { | |
8e864a81 KD |
2243 | sdev_printk(KERN_INFO, scmd->device, "device been deleted! " |
2244 | "scmd(%p)\n", scmd); | |
635374e7 EM |
2245 | scmd->result = DID_NO_CONNECT << 16; |
2246 | scmd->scsi_done(scmd); | |
2247 | r = SUCCESS; | |
2248 | goto out; | |
2249 | } | |
2250 | ||
2251 | /* search for the command */ | |
2252 | smid = _scsih_scsi_lookup_find_by_scmd(ioc, scmd); | |
2253 | if (!smid) { | |
2254 | scmd->result = DID_RESET << 16; | |
2255 | r = SUCCESS; | |
2256 | goto out; | |
2257 | } | |
2258 | ||
2259 | /* for hidden raid components and volumes this is not supported */ | |
2260 | if (sas_device_priv_data->sas_target->flags & | |
2261 | MPT_TARGET_FLAGS_RAID_COMPONENT || | |
2262 | sas_device_priv_data->sas_target->flags & MPT_TARGET_FLAGS_VOLUME) { | |
2263 | scmd->result = DID_RESET << 16; | |
2264 | r = FAILED; | |
2265 | goto out; | |
2266 | } | |
2267 | ||
fa7f3167 KD |
2268 | mpt2sas_halt_firmware(ioc); |
2269 | ||
635374e7 | 2270 | handle = sas_device_priv_data->sas_target->handle; |
8ed9a03a KD |
2271 | r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel, |
2272 | scmd->device->id, scmd->device->lun, | |
2273 | MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30, scmd); | |
635374e7 EM |
2274 | |
2275 | out: | |
8e864a81 KD |
2276 | sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(%p)\n", |
2277 | ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); | |
635374e7 EM |
2278 | return r; |
2279 | } | |
2280 | ||
635374e7 | 2281 | /** |
d5d135b3 | 2282 | * _scsih_dev_reset - eh threads main device reset routine |
8e864a81 | 2283 | * @scmd: pointer to scsi command object |
635374e7 EM |
2284 | * |
2285 | * Returns SUCCESS if command aborted else FAILED | |
2286 | */ | |
2287 | static int | |
d5d135b3 | 2288 | _scsih_dev_reset(struct scsi_cmnd *scmd) |
635374e7 EM |
2289 | { |
2290 | struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); | |
2291 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
2292 | struct _sas_device *sas_device; | |
2293 | unsigned long flags; | |
2294 | u16 handle; | |
2295 | int r; | |
2296 | ||
8e864a81 KD |
2297 | struct scsi_target *starget = scmd->device->sdev_target; |
2298 | ||
37aaa78b | 2299 | starget_printk(KERN_INFO, starget, "attempting device reset! " |
8e864a81 KD |
2300 | "scmd(%p)\n", scmd); |
2301 | _scsih_tm_display_info(ioc, scmd); | |
635374e7 EM |
2302 | |
2303 | sas_device_priv_data = scmd->device->hostdata; | |
2304 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { | |
37aaa78b | 2305 | starget_printk(KERN_INFO, starget, "device been deleted! " |
8e864a81 | 2306 | "scmd(%p)\n", scmd); |
635374e7 EM |
2307 | scmd->result = DID_NO_CONNECT << 16; |
2308 | scmd->scsi_done(scmd); | |
2309 | r = SUCCESS; | |
2310 | goto out; | |
2311 | } | |
2312 | ||
2313 | /* for hidden raid components obtain the volume_handle */ | |
2314 | handle = 0; | |
2315 | if (sas_device_priv_data->sas_target->flags & | |
2316 | MPT_TARGET_FLAGS_RAID_COMPONENT) { | |
2317 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
2318 | sas_device = _scsih_sas_device_find_by_handle(ioc, | |
2319 | sas_device_priv_data->sas_target->handle); | |
2320 | if (sas_device) | |
2321 | handle = sas_device->volume_handle; | |
2322 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
2323 | } else | |
2324 | handle = sas_device_priv_data->sas_target->handle; | |
2325 | ||
2326 | if (!handle) { | |
2327 | scmd->result = DID_RESET << 16; | |
2328 | r = FAILED; | |
2329 | goto out; | |
2330 | } | |
2331 | ||
8ed9a03a KD |
2332 | r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel, |
2333 | scmd->device->id, scmd->device->lun, | |
2334 | MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 0, 30, scmd); | |
993e0da7 EM |
2335 | |
2336 | out: | |
8e864a81 KD |
2337 | sdev_printk(KERN_INFO, scmd->device, "device reset: %s scmd(%p)\n", |
2338 | ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); | |
993e0da7 EM |
2339 | return r; |
2340 | } | |
2341 | ||
2342 | /** | |
d5d135b3 | 2343 | * _scsih_target_reset - eh threads main target reset routine |
8e864a81 | 2344 | * @scmd: pointer to scsi command object |
993e0da7 EM |
2345 | * |
2346 | * Returns SUCCESS if command aborted else FAILED | |
2347 | */ | |
2348 | static int | |
d5d135b3 | 2349 | _scsih_target_reset(struct scsi_cmnd *scmd) |
993e0da7 EM |
2350 | { |
2351 | struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); | |
2352 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
2353 | struct _sas_device *sas_device; | |
2354 | unsigned long flags; | |
2355 | u16 handle; | |
2356 | int r; | |
8e864a81 | 2357 | struct scsi_target *starget = scmd->device->sdev_target; |
993e0da7 | 2358 | |
8e864a81 KD |
2359 | starget_printk(KERN_INFO, starget, "attempting target reset! " |
2360 | "scmd(%p)\n", scmd); | |
2361 | _scsih_tm_display_info(ioc, scmd); | |
993e0da7 EM |
2362 | |
2363 | sas_device_priv_data = scmd->device->hostdata; | |
2364 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { | |
8e864a81 KD |
2365 | starget_printk(KERN_INFO, starget, "target been deleted! " |
2366 | "scmd(%p)\n", scmd); | |
993e0da7 EM |
2367 | scmd->result = DID_NO_CONNECT << 16; |
2368 | scmd->scsi_done(scmd); | |
2369 | r = SUCCESS; | |
2370 | goto out; | |
2371 | } | |
2372 | ||
2373 | /* for hidden raid components obtain the volume_handle */ | |
2374 | handle = 0; | |
2375 | if (sas_device_priv_data->sas_target->flags & | |
2376 | MPT_TARGET_FLAGS_RAID_COMPONENT) { | |
2377 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
2378 | sas_device = _scsih_sas_device_find_by_handle(ioc, | |
2379 | sas_device_priv_data->sas_target->handle); | |
2380 | if (sas_device) | |
2381 | handle = sas_device->volume_handle; | |
2382 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
2383 | } else | |
2384 | handle = sas_device_priv_data->sas_target->handle; | |
2385 | ||
2386 | if (!handle) { | |
2387 | scmd->result = DID_RESET << 16; | |
2388 | r = FAILED; | |
2389 | goto out; | |
2390 | } | |
2391 | ||
8ed9a03a KD |
2392 | r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel, |
2393 | scmd->device->id, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, | |
2394 | 30, scmd); | |
635374e7 EM |
2395 | |
2396 | out: | |
8e864a81 KD |
2397 | starget_printk(KERN_INFO, starget, "target reset: %s scmd(%p)\n", |
2398 | ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); | |
635374e7 EM |
2399 | return r; |
2400 | } | |
2401 | ||
2402 | /** | |
595bb0bd | 2403 | * _scsih_host_reset - eh threads main host reset routine |
8e864a81 | 2404 | * @scmd: pointer to scsi command object |
635374e7 EM |
2405 | * |
2406 | * Returns SUCCESS if command aborted else FAILED | |
2407 | */ | |
2408 | static int | |
d5d135b3 | 2409 | _scsih_host_reset(struct scsi_cmnd *scmd) |
635374e7 EM |
2410 | { |
2411 | struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); | |
2412 | int r, retval; | |
2413 | ||
2414 | printk(MPT2SAS_INFO_FMT "attempting host reset! scmd(%p)\n", | |
2415 | ioc->name, scmd); | |
2416 | scsi_print_command(scmd); | |
2417 | ||
2418 | retval = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
2419 | FORCE_BIG_HAMMER); | |
2420 | r = (retval < 0) ? FAILED : SUCCESS; | |
2421 | printk(MPT2SAS_INFO_FMT "host reset: %s scmd(%p)\n", | |
2422 | ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); | |
2423 | ||
2424 | return r; | |
2425 | } | |
2426 | ||
2427 | /** | |
2428 | * _scsih_fw_event_add - insert and queue up fw_event | |
2429 | * @ioc: per adapter object | |
2430 | * @fw_event: object describing the event | |
2431 | * Context: This function will acquire ioc->fw_event_lock. | |
2432 | * | |
2433 | * This adds the firmware event object into link list, then queues it up to | |
2434 | * be processed from user context. | |
2435 | * | |
2436 | * Return nothing. | |
2437 | */ | |
2438 | static void | |
2439 | _scsih_fw_event_add(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work *fw_event) | |
2440 | { | |
2441 | unsigned long flags; | |
2442 | ||
2443 | if (ioc->firmware_event_thread == NULL) | |
2444 | return; | |
2445 | ||
2446 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
2447 | list_add_tail(&fw_event->list, &ioc->fw_event_list); | |
f1c35e6a KD |
2448 | INIT_DELAYED_WORK(&fw_event->delayed_work, _firmware_event_work); |
2449 | queue_delayed_work(ioc->firmware_event_thread, | |
2450 | &fw_event->delayed_work, 0); | |
635374e7 EM |
2451 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); |
2452 | } | |
2453 | ||
2454 | /** | |
2455 | * _scsih_fw_event_free - delete fw_event | |
2456 | * @ioc: per adapter object | |
2457 | * @fw_event: object describing the event | |
2458 | * Context: This function will acquire ioc->fw_event_lock. | |
2459 | * | |
2460 | * This removes firmware event object from link list, frees associated memory. | |
2461 | * | |
2462 | * Return nothing. | |
2463 | */ | |
2464 | static void | |
2465 | _scsih_fw_event_free(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work | |
2466 | *fw_event) | |
2467 | { | |
2468 | unsigned long flags; | |
2469 | ||
2470 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
2471 | list_del(&fw_event->list); | |
2472 | kfree(fw_event->event_data); | |
2473 | kfree(fw_event); | |
2474 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
2475 | } | |
2476 | ||
f1c35e6a | 2477 | |
635374e7 | 2478 | /** |
f1c35e6a | 2479 | * _scsih_queue_rescan - queue a topology rescan from user context |
635374e7 | 2480 | * @ioc: per adapter object |
635374e7 EM |
2481 | * |
2482 | * Return nothing. | |
2483 | */ | |
2484 | static void | |
f1c35e6a | 2485 | _scsih_queue_rescan(struct MPT2SAS_ADAPTER *ioc) |
635374e7 | 2486 | { |
f1c35e6a | 2487 | struct fw_event_work *fw_event; |
635374e7 | 2488 | |
f1c35e6a KD |
2489 | if (ioc->wait_for_port_enable_to_complete) |
2490 | return; | |
2491 | fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC); | |
2492 | if (!fw_event) | |
2493 | return; | |
2494 | fw_event->event = MPT2SAS_RESCAN_AFTER_HOST_RESET; | |
2495 | fw_event->ioc = ioc; | |
2496 | _scsih_fw_event_add(ioc, fw_event); | |
635374e7 EM |
2497 | } |
2498 | ||
2499 | /** | |
f1c35e6a | 2500 | * _scsih_fw_event_cleanup_queue - cleanup event queue |
635374e7 EM |
2501 | * @ioc: per adapter object |
2502 | * | |
f1c35e6a KD |
2503 | * Walk the firmware event queue, either killing timers, or waiting |
2504 | * for outstanding events to complete | |
635374e7 EM |
2505 | * |
2506 | * Return nothing. | |
2507 | */ | |
2508 | static void | |
f1c35e6a | 2509 | _scsih_fw_event_cleanup_queue(struct MPT2SAS_ADAPTER *ioc) |
635374e7 | 2510 | { |
f1c35e6a | 2511 | struct fw_event_work *fw_event, *next; |
635374e7 | 2512 | |
f1c35e6a KD |
2513 | if (list_empty(&ioc->fw_event_list) || |
2514 | !ioc->firmware_event_thread || in_interrupt()) | |
2515 | return; | |
635374e7 | 2516 | |
f1c35e6a KD |
2517 | list_for_each_entry_safe(fw_event, next, &ioc->fw_event_list, list) { |
2518 | if (cancel_delayed_work(&fw_event->delayed_work)) { | |
2519 | _scsih_fw_event_free(ioc, fw_event); | |
2520 | continue; | |
2521 | } | |
2522 | fw_event->cancel_pending_work = 1; | |
2523 | } | |
635374e7 EM |
2524 | } |
2525 | ||
635374e7 EM |
2526 | /** |
2527 | * _scsih_ublock_io_device - set the device state to SDEV_RUNNING | |
2528 | * @ioc: per adapter object | |
2529 | * @handle: device handle | |
2530 | * | |
2531 | * During device pull we need to appropiately set the sdev state. | |
2532 | */ | |
2533 | static void | |
2534 | _scsih_ublock_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
2535 | { | |
2536 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
2537 | struct scsi_device *sdev; | |
2538 | ||
2539 | shost_for_each_device(sdev, ioc->shost) { | |
2540 | sas_device_priv_data = sdev->hostdata; | |
2541 | if (!sas_device_priv_data) | |
2542 | continue; | |
2543 | if (!sas_device_priv_data->block) | |
2544 | continue; | |
2545 | if (sas_device_priv_data->sas_target->handle == handle) { | |
2546 | dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, | |
2547 | MPT2SAS_INFO_FMT "SDEV_RUNNING: " | |
2548 | "handle(0x%04x)\n", ioc->name, handle)); | |
2549 | sas_device_priv_data->block = 0; | |
34a03bef | 2550 | scsi_internal_device_unblock(sdev); |
635374e7 EM |
2551 | } |
2552 | } | |
2553 | } | |
2554 | ||
2555 | /** | |
2556 | * _scsih_block_io_device - set the device state to SDEV_BLOCK | |
2557 | * @ioc: per adapter object | |
2558 | * @handle: device handle | |
2559 | * | |
2560 | * During device pull we need to appropiately set the sdev state. | |
2561 | */ | |
2562 | static void | |
2563 | _scsih_block_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
2564 | { | |
2565 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
2566 | struct scsi_device *sdev; | |
2567 | ||
2568 | shost_for_each_device(sdev, ioc->shost) { | |
2569 | sas_device_priv_data = sdev->hostdata; | |
2570 | if (!sas_device_priv_data) | |
2571 | continue; | |
2572 | if (sas_device_priv_data->block) | |
2573 | continue; | |
2574 | if (sas_device_priv_data->sas_target->handle == handle) { | |
2575 | dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, | |
2576 | MPT2SAS_INFO_FMT "SDEV_BLOCK: " | |
2577 | "handle(0x%04x)\n", ioc->name, handle)); | |
2578 | sas_device_priv_data->block = 1; | |
34a03bef | 2579 | scsi_internal_device_block(sdev); |
635374e7 EM |
2580 | } |
2581 | } | |
2582 | } | |
2583 | ||
2584 | /** | |
2585 | * _scsih_block_io_to_children_attached_to_ex | |
2586 | * @ioc: per adapter object | |
2587 | * @sas_expander: the sas_device object | |
2588 | * | |
2589 | * This routine set sdev state to SDEV_BLOCK for all devices | |
2590 | * attached to this expander. This function called when expander is | |
2591 | * pulled. | |
2592 | */ | |
2593 | static void | |
2594 | _scsih_block_io_to_children_attached_to_ex(struct MPT2SAS_ADAPTER *ioc, | |
2595 | struct _sas_node *sas_expander) | |
2596 | { | |
2597 | struct _sas_port *mpt2sas_port; | |
2598 | struct _sas_device *sas_device; | |
2599 | struct _sas_node *expander_sibling; | |
2600 | unsigned long flags; | |
2601 | ||
2602 | if (!sas_expander) | |
2603 | return; | |
2604 | ||
2605 | list_for_each_entry(mpt2sas_port, | |
2606 | &sas_expander->sas_port_list, port_list) { | |
2607 | if (mpt2sas_port->remote_identify.device_type == | |
2608 | SAS_END_DEVICE) { | |
2609 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
2610 | sas_device = | |
2611 | mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
2612 | mpt2sas_port->remote_identify.sas_address); | |
2613 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
2614 | if (!sas_device) | |
2615 | continue; | |
2616 | _scsih_block_io_device(ioc, sas_device->handle); | |
2617 | } | |
2618 | } | |
2619 | ||
2620 | list_for_each_entry(mpt2sas_port, | |
2621 | &sas_expander->sas_port_list, port_list) { | |
2622 | ||
2623 | if (mpt2sas_port->remote_identify.device_type == | |
7f6f794d | 2624 | SAS_EDGE_EXPANDER_DEVICE || |
635374e7 | 2625 | mpt2sas_port->remote_identify.device_type == |
7f6f794d | 2626 | SAS_FANOUT_EXPANDER_DEVICE) { |
635374e7 EM |
2627 | |
2628 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
2629 | expander_sibling = | |
2630 | mpt2sas_scsih_expander_find_by_sas_address( | |
2631 | ioc, mpt2sas_port->remote_identify.sas_address); | |
2632 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
2633 | _scsih_block_io_to_children_attached_to_ex(ioc, | |
2634 | expander_sibling); | |
2635 | } | |
2636 | } | |
2637 | } | |
2638 | ||
2639 | /** | |
2640 | * _scsih_block_io_to_children_attached_directly | |
2641 | * @ioc: per adapter object | |
2642 | * @event_data: topology change event data | |
2643 | * | |
2644 | * This routine set sdev state to SDEV_BLOCK for all devices | |
2645 | * direct attached during device pull. | |
2646 | */ | |
2647 | static void | |
2648 | _scsih_block_io_to_children_attached_directly(struct MPT2SAS_ADAPTER *ioc, | |
2649 | Mpi2EventDataSasTopologyChangeList_t *event_data) | |
2650 | { | |
2651 | int i; | |
2652 | u16 handle; | |
2653 | u16 reason_code; | |
2654 | u8 phy_number; | |
2655 | ||
2656 | for (i = 0; i < event_data->NumEntries; i++) { | |
2657 | handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); | |
2658 | if (!handle) | |
2659 | continue; | |
2660 | phy_number = event_data->StartPhyNum + i; | |
2661 | reason_code = event_data->PHY[i].PhyStatus & | |
2662 | MPI2_EVENT_SAS_TOPO_RC_MASK; | |
2663 | if (reason_code == MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING) | |
2664 | _scsih_block_io_device(ioc, handle); | |
2665 | } | |
2666 | } | |
2667 | ||
77e63ed4 KD |
2668 | /** |
2669 | * _scsih_tm_tr_send - send task management request | |
2670 | * @ioc: per adapter object | |
2671 | * @handle: device handle | |
2672 | * Context: interrupt time. | |
2673 | * | |
25985edc | 2674 | * This code is to initiate the device removal handshake protocol |
77e63ed4 KD |
2675 | * with controller firmware. This function will issue target reset |
2676 | * using high priority request queue. It will send a sas iounit | |
25985edc | 2677 | * control request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion. |
77e63ed4 KD |
2678 | * |
2679 | * This is designed to send muliple task management request at the same | |
2680 | * time to the fifo. If the fifo is full, we will append the request, | |
2681 | * and process it in a future completion. | |
2682 | */ | |
2683 | static void | |
2684 | _scsih_tm_tr_send(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
2685 | { | |
2686 | Mpi2SCSITaskManagementRequest_t *mpi_request; | |
77e63ed4 KD |
2687 | u16 smid; |
2688 | struct _sas_device *sas_device; | |
f3eedd69 | 2689 | struct MPT2SAS_TARGET *sas_target_priv_data; |
77e63ed4 KD |
2690 | unsigned long flags; |
2691 | struct _tr_list *delayed_tr; | |
2692 | ||
3cb5469a EM |
2693 | if (ioc->shost_recovery || ioc->remove_host || |
2694 | ioc->pci_error_recovery) { | |
1278b11f KD |
2695 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in " |
2696 | "progress!\n", __func__, ioc->name)); | |
77e63ed4 KD |
2697 | return; |
2698 | } | |
2699 | ||
f3eedd69 KD |
2700 | /* if PD, then return */ |
2701 | if (test_bit(handle, ioc->pd_handles)) | |
2702 | return; | |
2703 | ||
77e63ed4 KD |
2704 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
2705 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
f3eedd69 KD |
2706 | if (sas_device && sas_device->starget && |
2707 | sas_device->starget->hostdata) { | |
2708 | sas_target_priv_data = sas_device->starget->hostdata; | |
2709 | sas_target_priv_data->deleted = 1; | |
2710 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT | |
2711 | "setting delete flag: handle(0x%04x), " | |
2712 | "sas_addr(0x%016llx)\n", ioc->name, handle, | |
2713 | (unsigned long long) sas_device->sas_address)); | |
1278b11f KD |
2714 | } |
2715 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
77e63ed4 KD |
2716 | |
2717 | smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_cb_idx); | |
2718 | if (!smid) { | |
2719 | delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC); | |
2720 | if (!delayed_tr) | |
2721 | return; | |
2722 | INIT_LIST_HEAD(&delayed_tr->list); | |
2723 | delayed_tr->handle = handle; | |
1278b11f | 2724 | list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list); |
a28eb222 | 2725 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT |
1278b11f KD |
2726 | "DELAYED:tr:handle(0x%04x), (open)\n", |
2727 | ioc->name, handle)); | |
2728 | return; | |
77e63ed4 KD |
2729 | } |
2730 | ||
1278b11f KD |
2731 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "tr_send:handle(0x%04x), " |
2732 | "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid, | |
2733 | ioc->tm_tr_cb_idx)); | |
77e63ed4 KD |
2734 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); |
2735 | memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t)); | |
2736 | mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; | |
2737 | mpi_request->DevHandle = cpu_to_le16(handle); | |
2738 | mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; | |
77e63ed4 KD |
2739 | mpt2sas_base_put_smid_hi_priority(ioc, smid); |
2740 | } | |
2741 | ||
2742 | ||
2743 | ||
2744 | /** | |
2745 | * _scsih_sas_control_complete - completion routine | |
2746 | * @ioc: per adapter object | |
2747 | * @smid: system request message index | |
2748 | * @msix_index: MSIX table index supplied by the OS | |
2749 | * @reply: reply message frame(lower 32bit addr) | |
2750 | * Context: interrupt time. | |
2751 | * | |
25985edc | 2752 | * This is the sas iounit control completion routine. |
77e63ed4 | 2753 | * This code is part of the code to initiate the device removal |
25985edc | 2754 | * handshake protocol with controller firmware. |
77e63ed4 KD |
2755 | * |
2756 | * Return 1 meaning mf should be freed from _base_interrupt | |
2757 | * 0 means the mf is freed from this function. | |
2758 | */ | |
2759 | static u8 | |
2760 | _scsih_sas_control_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, | |
2761 | u8 msix_index, u32 reply) | |
2762 | { | |
363fa50f | 2763 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
77e63ed4 KD |
2764 | Mpi2SasIoUnitControlReply_t *mpi_reply = |
2765 | mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
363fa50f | 2766 | #endif |
1278b11f KD |
2767 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT |
2768 | "sc_complete:handle(0x%04x), (open) " | |
2769 | "smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n", | |
2770 | ioc->name, le16_to_cpu(mpi_reply->DevHandle), smid, | |
2771 | le16_to_cpu(mpi_reply->IOCStatus), | |
2772 | le32_to_cpu(mpi_reply->IOCLogInfo))); | |
77e63ed4 KD |
2773 | return 1; |
2774 | } | |
2775 | ||
f3eedd69 KD |
2776 | /** |
2777 | * _scsih_tm_tr_volume_send - send target reset request for volumes | |
2778 | * @ioc: per adapter object | |
2779 | * @handle: device handle | |
2780 | * Context: interrupt time. | |
2781 | * | |
2782 | * This is designed to send muliple task management request at the same | |
2783 | * time to the fifo. If the fifo is full, we will append the request, | |
2784 | * and process it in a future completion. | |
2785 | */ | |
2786 | static void | |
2787 | _scsih_tm_tr_volume_send(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
2788 | { | |
2789 | Mpi2SCSITaskManagementRequest_t *mpi_request; | |
2790 | u16 smid; | |
2791 | struct _tr_list *delayed_tr; | |
2792 | ||
3cb5469a EM |
2793 | if (ioc->shost_recovery || ioc->remove_host || |
2794 | ioc->pci_error_recovery) { | |
f3eedd69 KD |
2795 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in " |
2796 | "progress!\n", __func__, ioc->name)); | |
2797 | return; | |
2798 | } | |
2799 | ||
2800 | smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_volume_cb_idx); | |
2801 | if (!smid) { | |
2802 | delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC); | |
2803 | if (!delayed_tr) | |
2804 | return; | |
2805 | INIT_LIST_HEAD(&delayed_tr->list); | |
2806 | delayed_tr->handle = handle; | |
2807 | list_add_tail(&delayed_tr->list, &ioc->delayed_tr_volume_list); | |
2808 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT | |
2809 | "DELAYED:tr:handle(0x%04x), (open)\n", | |
2810 | ioc->name, handle)); | |
2811 | return; | |
2812 | } | |
2813 | ||
2814 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "tr_send:handle(0x%04x), " | |
2815 | "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid, | |
2816 | ioc->tm_tr_volume_cb_idx)); | |
2817 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
2818 | memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t)); | |
2819 | mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; | |
2820 | mpi_request->DevHandle = cpu_to_le16(handle); | |
2821 | mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; | |
2822 | mpt2sas_base_put_smid_hi_priority(ioc, smid); | |
2823 | } | |
2824 | ||
2825 | /** | |
2826 | * _scsih_tm_volume_tr_complete - target reset completion | |
2827 | * @ioc: per adapter object | |
2828 | * @smid: system request message index | |
2829 | * @msix_index: MSIX table index supplied by the OS | |
2830 | * @reply: reply message frame(lower 32bit addr) | |
2831 | * Context: interrupt time. | |
2832 | * | |
2833 | * Return 1 meaning mf should be freed from _base_interrupt | |
2834 | * 0 means the mf is freed from this function. | |
2835 | */ | |
2836 | static u8 | |
2837 | _scsih_tm_volume_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, | |
2838 | u8 msix_index, u32 reply) | |
2839 | { | |
2840 | u16 handle; | |
2841 | Mpi2SCSITaskManagementRequest_t *mpi_request_tm; | |
2842 | Mpi2SCSITaskManagementReply_t *mpi_reply = | |
2843 | mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
2844 | ||
3cb5469a EM |
2845 | if (ioc->shost_recovery || ioc->remove_host || |
2846 | ioc->pci_error_recovery) { | |
f3eedd69 KD |
2847 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in " |
2848 | "progress!\n", __func__, ioc->name)); | |
2849 | return 1; | |
2850 | } | |
2851 | ||
2852 | mpi_request_tm = mpt2sas_base_get_msg_frame(ioc, smid); | |
2853 | handle = le16_to_cpu(mpi_request_tm->DevHandle); | |
2854 | if (handle != le16_to_cpu(mpi_reply->DevHandle)) { | |
2855 | dewtprintk(ioc, printk("spurious interrupt: " | |
2856 | "handle(0x%04x:0x%04x), smid(%d)!!!\n", handle, | |
2857 | le16_to_cpu(mpi_reply->DevHandle), smid)); | |
2858 | return 0; | |
2859 | } | |
2860 | ||
2861 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT | |
2862 | "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), " | |
2863 | "loginfo(0x%08x), completed(%d)\n", ioc->name, | |
2864 | handle, smid, le16_to_cpu(mpi_reply->IOCStatus), | |
2865 | le32_to_cpu(mpi_reply->IOCLogInfo), | |
2866 | le32_to_cpu(mpi_reply->TerminationCount))); | |
2867 | ||
2868 | return _scsih_check_for_pending_tm(ioc, smid); | |
2869 | } | |
2870 | ||
77e63ed4 KD |
2871 | /** |
2872 | * _scsih_tm_tr_complete - | |
2873 | * @ioc: per adapter object | |
2874 | * @smid: system request message index | |
2875 | * @msix_index: MSIX table index supplied by the OS | |
2876 | * @reply: reply message frame(lower 32bit addr) | |
2877 | * Context: interrupt time. | |
2878 | * | |
2879 | * This is the target reset completion routine. | |
2880 | * This code is part of the code to initiate the device removal | |
25985edc LDM |
2881 | * handshake protocol with controller firmware. |
2882 | * It will send a sas iounit control request (MPI2_SAS_OP_REMOVE_DEVICE) | |
77e63ed4 KD |
2883 | * |
2884 | * Return 1 meaning mf should be freed from _base_interrupt | |
2885 | * 0 means the mf is freed from this function. | |
2886 | */ | |
2887 | static u8 | |
2888 | _scsih_tm_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, | |
2889 | u32 reply) | |
2890 | { | |
77e63ed4 | 2891 | u16 handle; |
1278b11f | 2892 | Mpi2SCSITaskManagementRequest_t *mpi_request_tm; |
77e63ed4 KD |
2893 | Mpi2SCSITaskManagementReply_t *mpi_reply = |
2894 | mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
2895 | Mpi2SasIoUnitControlRequest_t *mpi_request; | |
2896 | u16 smid_sas_ctrl; | |
77e63ed4 | 2897 | |
3cb5469a EM |
2898 | if (ioc->shost_recovery || ioc->remove_host || |
2899 | ioc->pci_error_recovery) { | |
1278b11f KD |
2900 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in " |
2901 | "progress!\n", __func__, ioc->name)); | |
2902 | return 1; | |
77e63ed4 KD |
2903 | } |
2904 | ||
1278b11f KD |
2905 | mpi_request_tm = mpt2sas_base_get_msg_frame(ioc, smid); |
2906 | handle = le16_to_cpu(mpi_request_tm->DevHandle); | |
2907 | if (handle != le16_to_cpu(mpi_reply->DevHandle)) { | |
2908 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "spurious interrupt: " | |
2909 | "handle(0x%04x:0x%04x), smid(%d)!!!\n", ioc->name, handle, | |
2910 | le16_to_cpu(mpi_reply->DevHandle), smid)); | |
2911 | return 0; | |
77e63ed4 KD |
2912 | } |
2913 | ||
1278b11f KD |
2914 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT |
2915 | "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), " | |
2916 | "loginfo(0x%08x), completed(%d)\n", ioc->name, | |
2917 | handle, smid, le16_to_cpu(mpi_reply->IOCStatus), | |
2918 | le32_to_cpu(mpi_reply->IOCLogInfo), | |
2919 | le32_to_cpu(mpi_reply->TerminationCount))); | |
2920 | ||
77e63ed4 KD |
2921 | smid_sas_ctrl = mpt2sas_base_get_smid(ioc, ioc->tm_sas_control_cb_idx); |
2922 | if (!smid_sas_ctrl) { | |
2923 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
2924 | ioc->name, __func__); | |
1278b11f | 2925 | return 1; |
77e63ed4 KD |
2926 | } |
2927 | ||
1278b11f KD |
2928 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "sc_send:handle(0x%04x), " |
2929 | "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid_sas_ctrl, | |
2930 | ioc->tm_sas_control_cb_idx)); | |
77e63ed4 KD |
2931 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid_sas_ctrl); |
2932 | memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t)); | |
2933 | mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL; | |
2934 | mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE; | |
1278b11f | 2935 | mpi_request->DevHandle = mpi_request_tm->DevHandle; |
77e63ed4 | 2936 | mpt2sas_base_put_smid_default(ioc, smid_sas_ctrl); |
1278b11f | 2937 | |
f3eedd69 KD |
2938 | return _scsih_check_for_pending_tm(ioc, smid); |
2939 | } | |
2940 | ||
2941 | /** | |
2942 | * _scsih_check_for_pending_tm - check for pending task management | |
2943 | * @ioc: per adapter object | |
2944 | * @smid: system request message index | |
2945 | * | |
2946 | * This will check delayed target reset list, and feed the | |
2947 | * next reqeust. | |
2948 | * | |
2949 | * Return 1 meaning mf should be freed from _base_interrupt | |
2950 | * 0 means the mf is freed from this function. | |
2951 | */ | |
2952 | static u8 | |
2953 | _scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
2954 | { | |
2955 | struct _tr_list *delayed_tr; | |
2956 | ||
2957 | if (!list_empty(&ioc->delayed_tr_volume_list)) { | |
2958 | delayed_tr = list_entry(ioc->delayed_tr_volume_list.next, | |
2959 | struct _tr_list, list); | |
2960 | mpt2sas_base_free_smid(ioc, smid); | |
2961 | _scsih_tm_tr_volume_send(ioc, delayed_tr->handle); | |
2962 | list_del(&delayed_tr->list); | |
2963 | kfree(delayed_tr); | |
2964 | return 0; | |
2965 | } | |
2966 | ||
1278b11f KD |
2967 | if (!list_empty(&ioc->delayed_tr_list)) { |
2968 | delayed_tr = list_entry(ioc->delayed_tr_list.next, | |
2969 | struct _tr_list, list); | |
2970 | mpt2sas_base_free_smid(ioc, smid); | |
2971 | _scsih_tm_tr_send(ioc, delayed_tr->handle); | |
2972 | list_del(&delayed_tr->list); | |
2973 | kfree(delayed_tr); | |
f3eedd69 | 2974 | return 0; |
1278b11f | 2975 | } |
f3eedd69 | 2976 | |
1278b11f | 2977 | return 1; |
77e63ed4 KD |
2978 | } |
2979 | ||
635374e7 EM |
2980 | /** |
2981 | * _scsih_check_topo_delete_events - sanity check on topo events | |
2982 | * @ioc: per adapter object | |
2983 | * @event_data: the event data payload | |
2984 | * | |
2985 | * This routine added to better handle cable breaker. | |
2986 | * | |
25985edc | 2987 | * This handles the case where driver receives multiple expander |
635374e7 EM |
2988 | * add and delete events in a single shot. When there is a delete event |
2989 | * the routine will void any pending add events waiting in the event queue. | |
2990 | * | |
2991 | * Return nothing. | |
2992 | */ | |
2993 | static void | |
2994 | _scsih_check_topo_delete_events(struct MPT2SAS_ADAPTER *ioc, | |
2995 | Mpi2EventDataSasTopologyChangeList_t *event_data) | |
2996 | { | |
2997 | struct fw_event_work *fw_event; | |
2998 | Mpi2EventDataSasTopologyChangeList_t *local_event_data; | |
2999 | u16 expander_handle; | |
3000 | struct _sas_node *sas_expander; | |
3001 | unsigned long flags; | |
77e63ed4 KD |
3002 | int i, reason_code; |
3003 | u16 handle; | |
3004 | ||
3005 | for (i = 0 ; i < event_data->NumEntries; i++) { | |
77e63ed4 KD |
3006 | handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); |
3007 | if (!handle) | |
3008 | continue; | |
3009 | reason_code = event_data->PHY[i].PhyStatus & | |
3010 | MPI2_EVENT_SAS_TOPO_RC_MASK; | |
3011 | if (reason_code == MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING) | |
3012 | _scsih_tm_tr_send(ioc, handle); | |
3013 | } | |
635374e7 EM |
3014 | |
3015 | expander_handle = le16_to_cpu(event_data->ExpanderDevHandle); | |
3016 | if (expander_handle < ioc->sas_hba.num_phys) { | |
3017 | _scsih_block_io_to_children_attached_directly(ioc, event_data); | |
3018 | return; | |
3019 | } | |
3020 | ||
3021 | if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING | |
3022 | || event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING) { | |
3023 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
3024 | sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc, | |
3025 | expander_handle); | |
3026 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
3027 | _scsih_block_io_to_children_attached_to_ex(ioc, sas_expander); | |
3028 | } else if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_RESPONDING) | |
3029 | _scsih_block_io_to_children_attached_directly(ioc, event_data); | |
3030 | ||
3031 | if (event_data->ExpStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING) | |
3032 | return; | |
3033 | ||
3034 | /* mark ignore flag for pending events */ | |
3035 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
3036 | list_for_each_entry(fw_event, &ioc->fw_event_list, list) { | |
3037 | if (fw_event->event != MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || | |
3038 | fw_event->ignore) | |
3039 | continue; | |
3040 | local_event_data = fw_event->event_data; | |
3041 | if (local_event_data->ExpStatus == | |
3042 | MPI2_EVENT_SAS_TOPO_ES_ADDED || | |
3043 | local_event_data->ExpStatus == | |
3044 | MPI2_EVENT_SAS_TOPO_ES_RESPONDING) { | |
3045 | if (le16_to_cpu(local_event_data->ExpanderDevHandle) == | |
3046 | expander_handle) { | |
eabb08ad | 3047 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT |
635374e7 EM |
3048 | "setting ignoring flag\n", ioc->name)); |
3049 | fw_event->ignore = 1; | |
3050 | } | |
3051 | } | |
3052 | } | |
3053 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
3054 | } | |
3055 | ||
f3eedd69 KD |
3056 | /** |
3057 | * _scsih_set_volume_delete_flag - setting volume delete flag | |
3058 | * @ioc: per adapter object | |
3059 | * @handle: device handle | |
3060 | * | |
3061 | * This | |
3062 | * Return nothing. | |
3063 | */ | |
3064 | static void | |
3065 | _scsih_set_volume_delete_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
3066 | { | |
3067 | struct _raid_device *raid_device; | |
3068 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
3069 | unsigned long flags; | |
3070 | ||
3071 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
3072 | raid_device = _scsih_raid_device_find_by_handle(ioc, handle); | |
3073 | if (raid_device && raid_device->starget && | |
3074 | raid_device->starget->hostdata) { | |
3075 | sas_target_priv_data = | |
3076 | raid_device->starget->hostdata; | |
3077 | sas_target_priv_data->deleted = 1; | |
3078 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT | |
3079 | "setting delete flag: handle(0x%04x), " | |
3080 | "wwid(0x%016llx)\n", ioc->name, handle, | |
3081 | (unsigned long long) raid_device->wwid)); | |
3082 | } | |
3083 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
3084 | } | |
3085 | ||
3086 | /** | |
3087 | * _scsih_set_volume_handle_for_tr - set handle for target reset to volume | |
3088 | * @handle: input handle | |
3089 | * @a: handle for volume a | |
3090 | * @b: handle for volume b | |
3091 | * | |
3092 | * IR firmware only supports two raid volumes. The purpose of this | |
3093 | * routine is to set the volume handle in either a or b. When the given | |
3094 | * input handle is non-zero, or when a and b have not been set before. | |
3095 | */ | |
3096 | static void | |
3097 | _scsih_set_volume_handle_for_tr(u16 handle, u16 *a, u16 *b) | |
3098 | { | |
3099 | if (!handle || handle == *a || handle == *b) | |
3100 | return; | |
3101 | if (!*a) | |
3102 | *a = handle; | |
3103 | else if (!*b) | |
3104 | *b = handle; | |
3105 | } | |
3106 | ||
3107 | /** | |
3108 | * _scsih_check_ir_config_unhide_events - check for UNHIDE events | |
3109 | * @ioc: per adapter object | |
3110 | * @event_data: the event data payload | |
3111 | * Context: interrupt time. | |
3112 | * | |
3113 | * This routine will send target reset to volume, followed by target | |
3114 | * resets to the PDs. This is called when a PD has been removed, or | |
3115 | * volume has been deleted or removed. When the target reset is sent | |
3116 | * to volume, the PD target resets need to be queued to start upon | |
3117 | * completion of the volume target reset. | |
3118 | * | |
3119 | * Return nothing. | |
3120 | */ | |
3121 | static void | |
3122 | _scsih_check_ir_config_unhide_events(struct MPT2SAS_ADAPTER *ioc, | |
3123 | Mpi2EventDataIrConfigChangeList_t *event_data) | |
3124 | { | |
3125 | Mpi2EventIrConfigElement_t *element; | |
3126 | int i; | |
3127 | u16 handle, volume_handle, a, b; | |
3128 | struct _tr_list *delayed_tr; | |
3129 | ||
3130 | a = 0; | |
3131 | b = 0; | |
3132 | ||
3133 | /* Volume Resets for Deleted or Removed */ | |
3134 | element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; | |
3135 | for (i = 0; i < event_data->NumElements; i++, element++) { | |
3136 | if (element->ReasonCode == | |
3137 | MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED || | |
3138 | element->ReasonCode == | |
3139 | MPI2_EVENT_IR_CHANGE_RC_REMOVED) { | |
3140 | volume_handle = le16_to_cpu(element->VolDevHandle); | |
3141 | _scsih_set_volume_delete_flag(ioc, volume_handle); | |
3142 | _scsih_set_volume_handle_for_tr(volume_handle, &a, &b); | |
3143 | } | |
3144 | } | |
3145 | ||
3146 | /* Volume Resets for UNHIDE events */ | |
3147 | element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; | |
3148 | for (i = 0; i < event_data->NumElements; i++, element++) { | |
3149 | if (le32_to_cpu(event_data->Flags) & | |
3150 | MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) | |
3151 | continue; | |
3152 | if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_UNHIDE) { | |
3153 | volume_handle = le16_to_cpu(element->VolDevHandle); | |
3154 | _scsih_set_volume_handle_for_tr(volume_handle, &a, &b); | |
3155 | } | |
3156 | } | |
3157 | ||
3158 | if (a) | |
3159 | _scsih_tm_tr_volume_send(ioc, a); | |
3160 | if (b) | |
3161 | _scsih_tm_tr_volume_send(ioc, b); | |
3162 | ||
3163 | /* PD target resets */ | |
3164 | element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; | |
3165 | for (i = 0; i < event_data->NumElements; i++, element++) { | |
3166 | if (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_UNHIDE) | |
3167 | continue; | |
3168 | handle = le16_to_cpu(element->PhysDiskDevHandle); | |
3169 | volume_handle = le16_to_cpu(element->VolDevHandle); | |
3170 | clear_bit(handle, ioc->pd_handles); | |
3171 | if (!volume_handle) | |
3172 | _scsih_tm_tr_send(ioc, handle); | |
3173 | else if (volume_handle == a || volume_handle == b) { | |
3174 | delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC); | |
3175 | BUG_ON(!delayed_tr); | |
3176 | INIT_LIST_HEAD(&delayed_tr->list); | |
3177 | delayed_tr->handle = handle; | |
3178 | list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list); | |
3179 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT | |
3180 | "DELAYED:tr:handle(0x%04x), (open)\n", ioc->name, | |
3181 | handle)); | |
3182 | } else | |
3183 | _scsih_tm_tr_send(ioc, handle); | |
3184 | } | |
3185 | } | |
3186 | ||
3187 | ||
3188 | /** | |
3189 | * _scsih_check_volume_delete_events - set delete flag for volumes | |
3190 | * @ioc: per adapter object | |
3191 | * @event_data: the event data payload | |
3192 | * Context: interrupt time. | |
3193 | * | |
3194 | * This will handle the case when the cable connected to entire volume is | |
3195 | * pulled. We will take care of setting the deleted flag so normal IO will | |
3196 | * not be sent. | |
3197 | * | |
3198 | * Return nothing. | |
3199 | */ | |
3200 | static void | |
3201 | _scsih_check_volume_delete_events(struct MPT2SAS_ADAPTER *ioc, | |
3202 | Mpi2EventDataIrVolume_t *event_data) | |
3203 | { | |
3204 | u32 state; | |
3205 | ||
3206 | if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED) | |
3207 | return; | |
3208 | state = le32_to_cpu(event_data->NewValue); | |
3209 | if (state == MPI2_RAID_VOL_STATE_MISSING || state == | |
3210 | MPI2_RAID_VOL_STATE_FAILED) | |
3211 | _scsih_set_volume_delete_flag(ioc, | |
3212 | le16_to_cpu(event_data->VolDevHandle)); | |
3213 | } | |
3214 | ||
635374e7 EM |
3215 | /** |
3216 | * _scsih_flush_running_cmds - completing outstanding commands. | |
3217 | * @ioc: per adapter object | |
3218 | * | |
3219 | * The flushing out of all pending scmd commands following host reset, | |
3220 | * where all IO is dropped to the floor. | |
3221 | * | |
3222 | * Return nothing. | |
3223 | */ | |
3224 | static void | |
3225 | _scsih_flush_running_cmds(struct MPT2SAS_ADAPTER *ioc) | |
3226 | { | |
3227 | struct scsi_cmnd *scmd; | |
3228 | u16 smid; | |
3229 | u16 count = 0; | |
3230 | ||
595bb0bd | 3231 | for (smid = 1; smid <= ioc->scsiio_depth; smid++) { |
ec07a053 | 3232 | scmd = _scsih_scsi_lookup_get_clear(ioc, smid); |
635374e7 EM |
3233 | if (!scmd) |
3234 | continue; | |
3235 | count++; | |
3236 | mpt2sas_base_free_smid(ioc, smid); | |
3237 | scsi_dma_unmap(scmd); | |
3cb5469a EM |
3238 | if (ioc->pci_error_recovery) |
3239 | scmd->result = DID_NO_CONNECT << 16; | |
3240 | else | |
3241 | scmd->result = DID_RESET << 16; | |
635374e7 EM |
3242 | scmd->scsi_done(scmd); |
3243 | } | |
3244 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "completing %d cmds\n", | |
3245 | ioc->name, count)); | |
3246 | } | |
3247 | ||
3c621b3e EM |
3248 | /** |
3249 | * _scsih_setup_eedp - setup MPI request for EEDP transfer | |
3250 | * @scmd: pointer to scsi command object | |
3251 | * @mpi_request: pointer to the SCSI_IO reqest message frame | |
3252 | * | |
3253 | * Supporting protection 1 and 3. | |
3254 | * | |
3255 | * Returns nothing | |
3256 | */ | |
3257 | static void | |
3258 | _scsih_setup_eedp(struct scsi_cmnd *scmd, Mpi2SCSIIORequest_t *mpi_request) | |
3259 | { | |
3260 | u16 eedp_flags; | |
3261 | unsigned char prot_op = scsi_get_prot_op(scmd); | |
3262 | unsigned char prot_type = scsi_get_prot_type(scmd); | |
3263 | ||
d334aa79 | 3264 | if (prot_type == SCSI_PROT_DIF_TYPE0 || prot_op == SCSI_PROT_NORMAL) |
3c621b3e EM |
3265 | return; |
3266 | ||
3267 | if (prot_op == SCSI_PROT_READ_STRIP) | |
3268 | eedp_flags = MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP; | |
3269 | else if (prot_op == SCSI_PROT_WRITE_INSERT) | |
3270 | eedp_flags = MPI2_SCSIIO_EEDPFLAGS_INSERT_OP; | |
3271 | else | |
3272 | return; | |
3273 | ||
3c621b3e EM |
3274 | switch (prot_type) { |
3275 | case SCSI_PROT_DIF_TYPE1: | |
3276 | ||
3277 | /* | |
3278 | * enable ref/guard checking | |
3279 | * auto increment ref tag | |
3280 | */ | |
463217bf | 3281 | eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG | |
3c621b3e EM |
3282 | MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG | |
3283 | MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD; | |
3284 | mpi_request->CDB.EEDP32.PrimaryReferenceTag = | |
3285 | cpu_to_be32(scsi_get_lba(scmd)); | |
d334aa79 EM |
3286 | break; |
3287 | ||
3288 | case SCSI_PROT_DIF_TYPE2: | |
3c621b3e | 3289 | |
d334aa79 EM |
3290 | eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG | |
3291 | MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG | | |
3292 | MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD; | |
3c621b3e EM |
3293 | break; |
3294 | ||
3295 | case SCSI_PROT_DIF_TYPE3: | |
3296 | ||
3297 | /* | |
3298 | * enable guard checking | |
3299 | */ | |
463217bf | 3300 | eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD; |
3c621b3e EM |
3301 | break; |
3302 | } | |
463217bf KD |
3303 | mpi_request->EEDPBlockSize = cpu_to_le32(scmd->device->sector_size); |
3304 | mpi_request->EEDPFlags = cpu_to_le16(eedp_flags); | |
3c621b3e EM |
3305 | } |
3306 | ||
3307 | /** | |
3308 | * _scsih_eedp_error_handling - return sense code for EEDP errors | |
3309 | * @scmd: pointer to scsi command object | |
3310 | * @ioc_status: ioc status | |
3311 | * | |
3312 | * Returns nothing | |
3313 | */ | |
3314 | static void | |
3315 | _scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status) | |
3316 | { | |
3317 | u8 ascq; | |
3318 | u8 sk; | |
3319 | u8 host_byte; | |
3320 | ||
3321 | switch (ioc_status) { | |
3322 | case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: | |
3323 | ascq = 0x01; | |
3324 | break; | |
3325 | case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: | |
3326 | ascq = 0x02; | |
3327 | break; | |
3328 | case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: | |
3329 | ascq = 0x03; | |
3330 | break; | |
3331 | default: | |
3332 | ascq = 0x00; | |
3333 | break; | |
3334 | } | |
3335 | ||
3336 | if (scmd->sc_data_direction == DMA_TO_DEVICE) { | |
3337 | sk = ILLEGAL_REQUEST; | |
3338 | host_byte = DID_ABORT; | |
3339 | } else { | |
3340 | sk = ABORTED_COMMAND; | |
3341 | host_byte = DID_OK; | |
3342 | } | |
3343 | ||
3344 | scsi_build_sense_buffer(0, scmd->sense_buffer, sk, 0x10, ascq); | |
3345 | scmd->result = DRIVER_SENSE << 24 | (host_byte << 16) | | |
3346 | SAM_STAT_CHECK_CONDITION; | |
3347 | } | |
3348 | ||
635374e7 | 3349 | /** |
d5d135b3 | 3350 | * _scsih_qcmd - main scsi request entry point |
635374e7 EM |
3351 | * @scmd: pointer to scsi command object |
3352 | * @done: function pointer to be invoked on completion | |
3353 | * | |
3354 | * The callback index is set inside `ioc->scsi_io_cb_idx`. | |
3355 | * | |
3356 | * Returns 0 on success. If there's a failure, return either: | |
3357 | * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or | |
3358 | * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full | |
3359 | */ | |
3360 | static int | |
f281233d | 3361 | _scsih_qcmd_lck(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *)) |
635374e7 EM |
3362 | { |
3363 | struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); | |
3364 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
3365 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
3366 | Mpi2SCSIIORequest_t *mpi_request; | |
3367 | u32 mpi_control; | |
3368 | u16 smid; | |
635374e7 EM |
3369 | |
3370 | scmd->scsi_done = done; | |
3371 | sas_device_priv_data = scmd->device->hostdata; | |
130b958a | 3372 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { |
635374e7 EM |
3373 | scmd->result = DID_NO_CONNECT << 16; |
3374 | scmd->scsi_done(scmd); | |
3375 | return 0; | |
3376 | } | |
3377 | ||
3cb5469a EM |
3378 | if (ioc->pci_error_recovery) { |
3379 | scmd->result = DID_NO_CONNECT << 16; | |
3380 | scmd->scsi_done(scmd); | |
3381 | return 0; | |
3382 | } | |
3383 | ||
635374e7 | 3384 | sas_target_priv_data = sas_device_priv_data->sas_target; |
130b958a KD |
3385 | /* invalid device handle */ |
3386 | if (sas_target_priv_data->handle == MPT2SAS_INVALID_DEVICE_HANDLE) { | |
635374e7 EM |
3387 | scmd->result = DID_NO_CONNECT << 16; |
3388 | scmd->scsi_done(scmd); | |
3389 | return 0; | |
3390 | } | |
3391 | ||
130b958a KD |
3392 | /* host recovery or link resets sent via IOCTLs */ |
3393 | if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress) | |
635374e7 | 3394 | return SCSI_MLQUEUE_HOST_BUSY; |
65155b37 | 3395 | /* device busy with task management */ |
130b958a KD |
3396 | else if (sas_device_priv_data->block || sas_target_priv_data->tm_busy) |
3397 | return SCSI_MLQUEUE_DEVICE_BUSY; | |
3398 | /* device has been deleted */ | |
3399 | else if (sas_target_priv_data->deleted) { | |
3400 | scmd->result = DID_NO_CONNECT << 16; | |
3401 | scmd->scsi_done(scmd); | |
3402 | return 0; | |
3403 | } | |
635374e7 EM |
3404 | |
3405 | if (scmd->sc_data_direction == DMA_FROM_DEVICE) | |
3406 | mpi_control = MPI2_SCSIIO_CONTROL_READ; | |
3407 | else if (scmd->sc_data_direction == DMA_TO_DEVICE) | |
3408 | mpi_control = MPI2_SCSIIO_CONTROL_WRITE; | |
3409 | else | |
3410 | mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER; | |
3411 | ||
3412 | /* set tags */ | |
3413 | if (!(sas_device_priv_data->flags & MPT_DEVICE_FLAGS_INIT)) { | |
3414 | if (scmd->device->tagged_supported) { | |
3415 | if (scmd->device->ordered_tags) | |
3416 | mpi_control |= MPI2_SCSIIO_CONTROL_ORDEREDQ; | |
3417 | else | |
3418 | mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ; | |
3419 | } else | |
3420 | /* MPI Revision I (UNIT = 0xA) - removed MPI2_SCSIIO_CONTROL_UNTAGGED */ | |
3421 | /* mpi_control |= MPI2_SCSIIO_CONTROL_UNTAGGED; | |
3422 | */ | |
3423 | mpi_control |= (0x500); | |
3424 | ||
3425 | } else | |
3426 | mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ; | |
3ed21525 KD |
3427 | /* Make sure Device is not raid volume */ |
3428 | if (!_scsih_is_raid(&scmd->device->sdev_gendev) && | |
d334aa79 | 3429 | sas_is_tlr_enabled(scmd->device) && scmd->cmd_len != 32) |
635374e7 EM |
3430 | mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON; |
3431 | ||
595bb0bd | 3432 | smid = mpt2sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd); |
635374e7 EM |
3433 | if (!smid) { |
3434 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
3435 | ioc->name, __func__); | |
3436 | goto out; | |
3437 | } | |
3438 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
3439 | memset(mpi_request, 0, sizeof(Mpi2SCSIIORequest_t)); | |
3c621b3e | 3440 | _scsih_setup_eedp(scmd, mpi_request); |
d334aa79 EM |
3441 | if (scmd->cmd_len == 32) |
3442 | mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT; | |
635374e7 EM |
3443 | mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; |
3444 | if (sas_device_priv_data->sas_target->flags & | |
3445 | MPT_TARGET_FLAGS_RAID_COMPONENT) | |
3446 | mpi_request->Function = MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; | |
3447 | else | |
3448 | mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; | |
3449 | mpi_request->DevHandle = | |
3450 | cpu_to_le16(sas_device_priv_data->sas_target->handle); | |
3451 | mpi_request->DataLength = cpu_to_le32(scsi_bufflen(scmd)); | |
3452 | mpi_request->Control = cpu_to_le32(mpi_control); | |
3453 | mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len); | |
3454 | mpi_request->MsgFlags = MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR; | |
3455 | mpi_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE; | |
3456 | mpi_request->SenseBufferLowAddress = | |
ec9472c7 | 3457 | mpt2sas_base_get_sense_buffer_dma(ioc, smid); |
635374e7 EM |
3458 | mpi_request->SGLOffset0 = offsetof(Mpi2SCSIIORequest_t, SGL) / 4; |
3459 | mpi_request->SGLFlags = cpu_to_le16(MPI2_SCSIIO_SGLFLAGS_TYPE_MPI + | |
3460 | MPI2_SCSIIO_SGLFLAGS_SYSTEM_ADDR); | |
7b936b02 KD |
3461 | mpi_request->VF_ID = 0; /* TODO */ |
3462 | mpi_request->VP_ID = 0; | |
635374e7 EM |
3463 | int_to_scsilun(sas_device_priv_data->lun, (struct scsi_lun *) |
3464 | mpi_request->LUN); | |
3465 | memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len); | |
3466 | ||
3467 | if (!mpi_request->DataLength) { | |
3468 | mpt2sas_base_build_zero_len_sge(ioc, &mpi_request->SGL); | |
3469 | } else { | |
3470 | if (_scsih_build_scatter_gather(ioc, scmd, smid)) { | |
3471 | mpt2sas_base_free_smid(ioc, smid); | |
3472 | goto out; | |
3473 | } | |
3474 | } | |
3475 | ||
58287fd5 KD |
3476 | if (likely(mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST)) |
3477 | mpt2sas_base_put_smid_scsi_io(ioc, smid, | |
3478 | sas_device_priv_data->sas_target->handle); | |
3479 | else | |
3480 | mpt2sas_base_put_smid_default(ioc, smid); | |
635374e7 EM |
3481 | return 0; |
3482 | ||
3483 | out: | |
3484 | return SCSI_MLQUEUE_HOST_BUSY; | |
3485 | } | |
3486 | ||
f281233d JG |
3487 | static DEF_SCSI_QCMD(_scsih_qcmd) |
3488 | ||
635374e7 EM |
3489 | /** |
3490 | * _scsih_normalize_sense - normalize descriptor and fixed format sense data | |
3491 | * @sense_buffer: sense data returned by target | |
3492 | * @data: normalized skey/asc/ascq | |
3493 | * | |
3494 | * Return nothing. | |
3495 | */ | |
3496 | static void | |
3497 | _scsih_normalize_sense(char *sense_buffer, struct sense_info *data) | |
3498 | { | |
3499 | if ((sense_buffer[0] & 0x7F) >= 0x72) { | |
3500 | /* descriptor format */ | |
3501 | data->skey = sense_buffer[1] & 0x0F; | |
3502 | data->asc = sense_buffer[2]; | |
3503 | data->ascq = sense_buffer[3]; | |
3504 | } else { | |
3505 | /* fixed format */ | |
3506 | data->skey = sense_buffer[2] & 0x0F; | |
3507 | data->asc = sense_buffer[12]; | |
3508 | data->ascq = sense_buffer[13]; | |
3509 | } | |
3510 | } | |
3511 | ||
3512 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
3513 | /** | |
25985edc | 3514 | * _scsih_scsi_ioc_info - translated non-successful SCSI_IO request |
635374e7 EM |
3515 | * @ioc: per adapter object |
3516 | * @scmd: pointer to scsi command object | |
3517 | * @mpi_reply: reply mf payload returned from firmware | |
3518 | * | |
3519 | * scsi_status - SCSI Status code returned from target device | |
3520 | * scsi_state - state info associated with SCSI_IO determined by ioc | |
3521 | * ioc_status - ioc supplied status info | |
3522 | * | |
3523 | * Return nothing. | |
3524 | */ | |
3525 | static void | |
3526 | _scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, | |
3527 | Mpi2SCSIIOReply_t *mpi_reply, u16 smid) | |
3528 | { | |
3529 | u32 response_info; | |
3530 | u8 *response_bytes; | |
3531 | u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & | |
3532 | MPI2_IOCSTATUS_MASK; | |
3533 | u8 scsi_state = mpi_reply->SCSIState; | |
3534 | u8 scsi_status = mpi_reply->SCSIStatus; | |
3535 | char *desc_ioc_state = NULL; | |
3536 | char *desc_scsi_status = NULL; | |
3537 | char *desc_scsi_state = ioc->tmp_string; | |
be9e8cd7 | 3538 | u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo); |
7fbae67a KD |
3539 | struct _sas_device *sas_device = NULL; |
3540 | unsigned long flags; | |
8e864a81 KD |
3541 | struct scsi_target *starget = scmd->device->sdev_target; |
3542 | struct MPT2SAS_TARGET *priv_target = starget->hostdata; | |
3543 | ||
3544 | if (!priv_target) | |
3545 | return; | |
be9e8cd7 KD |
3546 | |
3547 | if (log_info == 0x31170000) | |
3548 | return; | |
635374e7 EM |
3549 | |
3550 | switch (ioc_status) { | |
3551 | case MPI2_IOCSTATUS_SUCCESS: | |
3552 | desc_ioc_state = "success"; | |
3553 | break; | |
3554 | case MPI2_IOCSTATUS_INVALID_FUNCTION: | |
3555 | desc_ioc_state = "invalid function"; | |
3556 | break; | |
3557 | case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: | |
3558 | desc_ioc_state = "scsi recovered error"; | |
3559 | break; | |
3560 | case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE: | |
3561 | desc_ioc_state = "scsi invalid dev handle"; | |
3562 | break; | |
3563 | case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: | |
3564 | desc_ioc_state = "scsi device not there"; | |
3565 | break; | |
3566 | case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: | |
3567 | desc_ioc_state = "scsi data overrun"; | |
3568 | break; | |
3569 | case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: | |
3570 | desc_ioc_state = "scsi data underrun"; | |
3571 | break; | |
3572 | case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: | |
3573 | desc_ioc_state = "scsi io data error"; | |
3574 | break; | |
3575 | case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: | |
3576 | desc_ioc_state = "scsi protocol error"; | |
3577 | break; | |
3578 | case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: | |
3579 | desc_ioc_state = "scsi task terminated"; | |
3580 | break; | |
3581 | case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: | |
3582 | desc_ioc_state = "scsi residual mismatch"; | |
3583 | break; | |
3584 | case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: | |
3585 | desc_ioc_state = "scsi task mgmt failed"; | |
3586 | break; | |
3587 | case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: | |
3588 | desc_ioc_state = "scsi ioc terminated"; | |
3589 | break; | |
3590 | case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: | |
3591 | desc_ioc_state = "scsi ext terminated"; | |
3592 | break; | |
3c621b3e EM |
3593 | case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: |
3594 | desc_ioc_state = "eedp guard error"; | |
3595 | break; | |
3596 | case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: | |
3597 | desc_ioc_state = "eedp ref tag error"; | |
3598 | break; | |
3599 | case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: | |
3600 | desc_ioc_state = "eedp app tag error"; | |
3601 | break; | |
635374e7 EM |
3602 | default: |
3603 | desc_ioc_state = "unknown"; | |
3604 | break; | |
3605 | } | |
3606 | ||
3607 | switch (scsi_status) { | |
3608 | case MPI2_SCSI_STATUS_GOOD: | |
3609 | desc_scsi_status = "good"; | |
3610 | break; | |
3611 | case MPI2_SCSI_STATUS_CHECK_CONDITION: | |
3612 | desc_scsi_status = "check condition"; | |
3613 | break; | |
3614 | case MPI2_SCSI_STATUS_CONDITION_MET: | |
3615 | desc_scsi_status = "condition met"; | |
3616 | break; | |
3617 | case MPI2_SCSI_STATUS_BUSY: | |
3618 | desc_scsi_status = "busy"; | |
3619 | break; | |
3620 | case MPI2_SCSI_STATUS_INTERMEDIATE: | |
3621 | desc_scsi_status = "intermediate"; | |
3622 | break; | |
3623 | case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET: | |
3624 | desc_scsi_status = "intermediate condmet"; | |
3625 | break; | |
3626 | case MPI2_SCSI_STATUS_RESERVATION_CONFLICT: | |
3627 | desc_scsi_status = "reservation conflict"; | |
3628 | break; | |
3629 | case MPI2_SCSI_STATUS_COMMAND_TERMINATED: | |
3630 | desc_scsi_status = "command terminated"; | |
3631 | break; | |
3632 | case MPI2_SCSI_STATUS_TASK_SET_FULL: | |
3633 | desc_scsi_status = "task set full"; | |
3634 | break; | |
3635 | case MPI2_SCSI_STATUS_ACA_ACTIVE: | |
3636 | desc_scsi_status = "aca active"; | |
3637 | break; | |
3638 | case MPI2_SCSI_STATUS_TASK_ABORTED: | |
3639 | desc_scsi_status = "task aborted"; | |
3640 | break; | |
3641 | default: | |
3642 | desc_scsi_status = "unknown"; | |
3643 | break; | |
3644 | } | |
3645 | ||
3646 | desc_scsi_state[0] = '\0'; | |
3647 | if (!scsi_state) | |
3648 | desc_scsi_state = " "; | |
3649 | if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) | |
3650 | strcat(desc_scsi_state, "response info "); | |
3651 | if (scsi_state & MPI2_SCSI_STATE_TERMINATED) | |
3652 | strcat(desc_scsi_state, "state terminated "); | |
3653 | if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS) | |
3654 | strcat(desc_scsi_state, "no status "); | |
3655 | if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED) | |
3656 | strcat(desc_scsi_state, "autosense failed "); | |
3657 | if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) | |
3658 | strcat(desc_scsi_state, "autosense valid "); | |
3659 | ||
3660 | scsi_print_command(scmd); | |
7fbae67a | 3661 | |
8e864a81 KD |
3662 | if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) { |
3663 | printk(MPT2SAS_WARN_FMT "\tvolume wwid(0x%016llx)\n", ioc->name, | |
3664 | (unsigned long long)priv_target->sas_address); | |
3665 | } else { | |
3666 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
3667 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
3668 | priv_target->sas_address); | |
3669 | if (sas_device) { | |
3670 | printk(MPT2SAS_WARN_FMT "\tsas_address(0x%016llx), " | |
3671 | "phy(%d)\n", ioc->name, sas_device->sas_address, | |
3672 | sas_device->phy); | |
3673 | printk(MPT2SAS_WARN_FMT | |
3674 | "\tenclosure_logical_id(0x%016llx), slot(%d)\n", | |
3675 | ioc->name, sas_device->enclosure_logical_id, | |
3676 | sas_device->slot); | |
3677 | } | |
3678 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
7fbae67a | 3679 | } |
7fbae67a | 3680 | |
8e864a81 KD |
3681 | printk(MPT2SAS_WARN_FMT "\thandle(0x%04x), ioc_status(%s)(0x%04x), " |
3682 | "smid(%d)\n", ioc->name, le16_to_cpu(mpi_reply->DevHandle), | |
3683 | desc_ioc_state, ioc_status, smid); | |
635374e7 EM |
3684 | printk(MPT2SAS_WARN_FMT "\trequest_len(%d), underflow(%d), " |
3685 | "resid(%d)\n", ioc->name, scsi_bufflen(scmd), scmd->underflow, | |
3686 | scsi_get_resid(scmd)); | |
3687 | printk(MPT2SAS_WARN_FMT "\ttag(%d), transfer_count(%d), " | |
3688 | "sc->result(0x%08x)\n", ioc->name, le16_to_cpu(mpi_reply->TaskTag), | |
3689 | le32_to_cpu(mpi_reply->TransferCount), scmd->result); | |
3690 | printk(MPT2SAS_WARN_FMT "\tscsi_status(%s)(0x%02x), " | |
3691 | "scsi_state(%s)(0x%02x)\n", ioc->name, desc_scsi_status, | |
3692 | scsi_status, desc_scsi_state, scsi_state); | |
3693 | ||
3694 | if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) { | |
3695 | struct sense_info data; | |
3696 | _scsih_normalize_sense(scmd->sense_buffer, &data); | |
3697 | printk(MPT2SAS_WARN_FMT "\t[sense_key,asc,ascq]: " | |
e94f6747 KD |
3698 | "[0x%02x,0x%02x,0x%02x], count(%d)\n", ioc->name, data.skey, |
3699 | data.asc, data.ascq, le32_to_cpu(mpi_reply->SenseCount)); | |
635374e7 EM |
3700 | } |
3701 | ||
3702 | if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) { | |
3703 | response_info = le32_to_cpu(mpi_reply->ResponseInfo); | |
3704 | response_bytes = (u8 *)&response_info; | |
9982f594 | 3705 | _scsih_response_code(ioc, response_bytes[0]); |
635374e7 EM |
3706 | } |
3707 | } | |
3708 | #endif | |
3709 | ||
3710 | /** | |
3711 | * _scsih_smart_predicted_fault - illuminate Fault LED | |
3712 | * @ioc: per adapter object | |
3713 | * @handle: device handle | |
3714 | * | |
3715 | * Return nothing. | |
3716 | */ | |
3717 | static void | |
3718 | _scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
3719 | { | |
3720 | Mpi2SepReply_t mpi_reply; | |
3721 | Mpi2SepRequest_t mpi_request; | |
3722 | struct scsi_target *starget; | |
3723 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
3724 | Mpi2EventNotificationReply_t *event_reply; | |
3725 | Mpi2EventDataSasDeviceStatusChange_t *event_data; | |
3726 | struct _sas_device *sas_device; | |
3727 | ssize_t sz; | |
3728 | unsigned long flags; | |
3729 | ||
3730 | /* only handle non-raid devices */ | |
3731 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
3732 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
3733 | if (!sas_device) { | |
3734 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
3735 | return; | |
3736 | } | |
3737 | starget = sas_device->starget; | |
3738 | sas_target_priv_data = starget->hostdata; | |
3739 | ||
3740 | if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) || | |
3741 | ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))) { | |
3742 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
3743 | return; | |
3744 | } | |
3745 | starget_printk(KERN_WARNING, starget, "predicted fault\n"); | |
3746 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
3747 | ||
3748 | if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) { | |
3749 | memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t)); | |
3750 | mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR; | |
3751 | mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS; | |
3752 | mpi_request.SlotStatus = | |
e94f6747 | 3753 | cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT); |
635374e7 EM |
3754 | mpi_request.DevHandle = cpu_to_le16(handle); |
3755 | mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS; | |
3756 | if ((mpt2sas_base_scsi_enclosure_processor(ioc, &mpi_reply, | |
3757 | &mpi_request)) != 0) { | |
3758 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3759 | ioc->name, __FILE__, __LINE__, __func__); | |
3760 | return; | |
3761 | } | |
3762 | ||
3763 | if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) { | |
3764 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT | |
3765 | "enclosure_processor: ioc_status (0x%04x), " | |
3766 | "loginfo(0x%08x)\n", ioc->name, | |
3767 | le16_to_cpu(mpi_reply.IOCStatus), | |
3768 | le32_to_cpu(mpi_reply.IOCLogInfo))); | |
3769 | return; | |
3770 | } | |
3771 | } | |
3772 | ||
3773 | /* insert into event log */ | |
3774 | sz = offsetof(Mpi2EventNotificationReply_t, EventData) + | |
3775 | sizeof(Mpi2EventDataSasDeviceStatusChange_t); | |
3776 | event_reply = kzalloc(sz, GFP_KERNEL); | |
3777 | if (!event_reply) { | |
3778 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3779 | ioc->name, __FILE__, __LINE__, __func__); | |
3780 | return; | |
3781 | } | |
3782 | ||
3783 | event_reply->Function = MPI2_FUNCTION_EVENT_NOTIFICATION; | |
3784 | event_reply->Event = | |
3785 | cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE); | |
3786 | event_reply->MsgLength = sz/4; | |
3787 | event_reply->EventDataLength = | |
3788 | cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t)/4); | |
3789 | event_data = (Mpi2EventDataSasDeviceStatusChange_t *) | |
3790 | event_reply->EventData; | |
3791 | event_data->ReasonCode = MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA; | |
3792 | event_data->ASC = 0x5D; | |
3793 | event_data->DevHandle = cpu_to_le16(handle); | |
3794 | event_data->SASAddress = cpu_to_le64(sas_target_priv_data->sas_address); | |
3795 | mpt2sas_ctl_add_to_event_log(ioc, event_reply); | |
3796 | kfree(event_reply); | |
3797 | } | |
3798 | ||
3799 | /** | |
d5d135b3 | 3800 | * _scsih_io_done - scsi request callback |
635374e7 EM |
3801 | * @ioc: per adapter object |
3802 | * @smid: system request message index | |
7b936b02 | 3803 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
3804 | * @reply: reply message frame(lower 32bit addr) |
3805 | * | |
77e63ed4 | 3806 | * Callback handler when using _scsih_qcmd. |
635374e7 | 3807 | * |
77e63ed4 KD |
3808 | * Return 1 meaning mf should be freed from _base_interrupt |
3809 | * 0 means the mf is freed from this function. | |
635374e7 | 3810 | */ |
77e63ed4 | 3811 | static u8 |
7b936b02 | 3812 | _scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) |
635374e7 EM |
3813 | { |
3814 | Mpi2SCSIIORequest_t *mpi_request; | |
3815 | Mpi2SCSIIOReply_t *mpi_reply; | |
3816 | struct scsi_cmnd *scmd; | |
3817 | u16 ioc_status; | |
3818 | u32 xfer_cnt; | |
3819 | u8 scsi_state; | |
3820 | u8 scsi_status; | |
3821 | u32 log_info; | |
3822 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
9982f594 | 3823 | u32 response_code = 0; |
635374e7 EM |
3824 | |
3825 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
ec07a053 | 3826 | scmd = _scsih_scsi_lookup_get_clear(ioc, smid); |
635374e7 | 3827 | if (scmd == NULL) |
77e63ed4 | 3828 | return 1; |
635374e7 EM |
3829 | |
3830 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
3831 | ||
3832 | if (mpi_reply == NULL) { | |
3833 | scmd->result = DID_OK << 16; | |
3834 | goto out; | |
3835 | } | |
3836 | ||
3837 | sas_device_priv_data = scmd->device->hostdata; | |
3838 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target || | |
3839 | sas_device_priv_data->sas_target->deleted) { | |
3840 | scmd->result = DID_NO_CONNECT << 16; | |
3841 | goto out; | |
3842 | } | |
3843 | ||
3844 | /* turning off TLR */ | |
9982f594 KD |
3845 | scsi_state = mpi_reply->SCSIState; |
3846 | if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) | |
3847 | response_code = | |
3848 | le32_to_cpu(mpi_reply->ResponseInfo) & 0xFF; | |
635374e7 EM |
3849 | if (!sas_device_priv_data->tlr_snoop_check) { |
3850 | sas_device_priv_data->tlr_snoop_check++; | |
3ed21525 KD |
3851 | if (!_scsih_is_raid(&scmd->device->sdev_gendev) && |
3852 | sas_is_tlr_enabled(scmd->device) && | |
84f0b04a KD |
3853 | response_code == MPI2_SCSITASKMGMT_RSP_INVALID_FRAME) { |
3854 | sas_disable_tlr(scmd->device); | |
3855 | sdev_printk(KERN_INFO, scmd->device, "TLR disabled\n"); | |
3856 | } | |
635374e7 EM |
3857 | } |
3858 | ||
3859 | xfer_cnt = le32_to_cpu(mpi_reply->TransferCount); | |
3860 | scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt); | |
3861 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus); | |
3862 | if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) | |
3863 | log_info = le32_to_cpu(mpi_reply->IOCLogInfo); | |
3864 | else | |
3865 | log_info = 0; | |
3866 | ioc_status &= MPI2_IOCSTATUS_MASK; | |
635374e7 EM |
3867 | scsi_status = mpi_reply->SCSIStatus; |
3868 | ||
3869 | if (ioc_status == MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 && | |
3870 | (scsi_status == MPI2_SCSI_STATUS_BUSY || | |
3871 | scsi_status == MPI2_SCSI_STATUS_RESERVATION_CONFLICT || | |
3872 | scsi_status == MPI2_SCSI_STATUS_TASK_SET_FULL)) { | |
3873 | ioc_status = MPI2_IOCSTATUS_SUCCESS; | |
3874 | } | |
3875 | ||
3876 | if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) { | |
3877 | struct sense_info data; | |
3878 | const void *sense_data = mpt2sas_base_get_sense_buffer(ioc, | |
3879 | smid); | |
0d04df9b | 3880 | u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE, |
635374e7 | 3881 | le32_to_cpu(mpi_reply->SenseCount)); |
0d04df9b | 3882 | memcpy(scmd->sense_buffer, sense_data, sz); |
635374e7 EM |
3883 | _scsih_normalize_sense(scmd->sense_buffer, &data); |
3884 | /* failure prediction threshold exceeded */ | |
3885 | if (data.asc == 0x5D) | |
3886 | _scsih_smart_predicted_fault(ioc, | |
3887 | le16_to_cpu(mpi_reply->DevHandle)); | |
3888 | } | |
3889 | ||
3890 | switch (ioc_status) { | |
3891 | case MPI2_IOCSTATUS_BUSY: | |
3892 | case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES: | |
3893 | scmd->result = SAM_STAT_BUSY; | |
3894 | break; | |
3895 | ||
3896 | case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: | |
3897 | scmd->result = DID_NO_CONNECT << 16; | |
3898 | break; | |
3899 | ||
3900 | case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: | |
3901 | if (sas_device_priv_data->block) { | |
e4e7c7ed KD |
3902 | scmd->result = DID_TRANSPORT_DISRUPTED << 16; |
3903 | goto out; | |
635374e7 | 3904 | } |
635374e7 EM |
3905 | case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: |
3906 | case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: | |
3907 | scmd->result = DID_RESET << 16; | |
3908 | break; | |
3909 | ||
3910 | case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: | |
3911 | if ((xfer_cnt == 0) || (scmd->underflow > xfer_cnt)) | |
3912 | scmd->result = DID_SOFT_ERROR << 16; | |
3913 | else | |
3914 | scmd->result = (DID_OK << 16) | scsi_status; | |
3915 | break; | |
3916 | ||
3917 | case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: | |
3918 | scmd->result = (DID_OK << 16) | scsi_status; | |
3919 | ||
3920 | if ((scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)) | |
3921 | break; | |
3922 | ||
3923 | if (xfer_cnt < scmd->underflow) { | |
3924 | if (scsi_status == SAM_STAT_BUSY) | |
3925 | scmd->result = SAM_STAT_BUSY; | |
3926 | else | |
3927 | scmd->result = DID_SOFT_ERROR << 16; | |
3928 | } else if (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED | | |
3929 | MPI2_SCSI_STATE_NO_SCSI_STATUS)) | |
3930 | scmd->result = DID_SOFT_ERROR << 16; | |
3931 | else if (scsi_state & MPI2_SCSI_STATE_TERMINATED) | |
3932 | scmd->result = DID_RESET << 16; | |
3933 | else if (!xfer_cnt && scmd->cmnd[0] == REPORT_LUNS) { | |
3934 | mpi_reply->SCSIState = MPI2_SCSI_STATE_AUTOSENSE_VALID; | |
3935 | mpi_reply->SCSIStatus = SAM_STAT_CHECK_CONDITION; | |
3936 | scmd->result = (DRIVER_SENSE << 24) | | |
3937 | SAM_STAT_CHECK_CONDITION; | |
3938 | scmd->sense_buffer[0] = 0x70; | |
3939 | scmd->sense_buffer[2] = ILLEGAL_REQUEST; | |
3940 | scmd->sense_buffer[12] = 0x20; | |
3941 | scmd->sense_buffer[13] = 0; | |
3942 | } | |
3943 | break; | |
3944 | ||
3945 | case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: | |
3946 | scsi_set_resid(scmd, 0); | |
3947 | case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: | |
3948 | case MPI2_IOCSTATUS_SUCCESS: | |
3949 | scmd->result = (DID_OK << 16) | scsi_status; | |
9982f594 KD |
3950 | if (response_code == |
3951 | MPI2_SCSITASKMGMT_RSP_INVALID_FRAME || | |
3952 | (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED | | |
3953 | MPI2_SCSI_STATE_NO_SCSI_STATUS))) | |
635374e7 EM |
3954 | scmd->result = DID_SOFT_ERROR << 16; |
3955 | else if (scsi_state & MPI2_SCSI_STATE_TERMINATED) | |
3956 | scmd->result = DID_RESET << 16; | |
3957 | break; | |
3958 | ||
3c621b3e EM |
3959 | case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: |
3960 | case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: | |
3961 | case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: | |
3962 | _scsih_eedp_error_handling(scmd, ioc_status); | |
3963 | break; | |
635374e7 EM |
3964 | case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: |
3965 | case MPI2_IOCSTATUS_INVALID_FUNCTION: | |
3966 | case MPI2_IOCSTATUS_INVALID_SGL: | |
3967 | case MPI2_IOCSTATUS_INTERNAL_ERROR: | |
3968 | case MPI2_IOCSTATUS_INVALID_FIELD: | |
3969 | case MPI2_IOCSTATUS_INVALID_STATE: | |
3970 | case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: | |
3971 | case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: | |
3972 | default: | |
3973 | scmd->result = DID_SOFT_ERROR << 16; | |
3974 | break; | |
3975 | ||
3976 | } | |
3977 | ||
3978 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
3979 | if (scmd->result && (ioc->logging_level & MPT_DEBUG_REPLY)) | |
3980 | _scsih_scsi_ioc_info(ioc , scmd, mpi_reply, smid); | |
3981 | #endif | |
3982 | ||
3983 | out: | |
3984 | scsi_dma_unmap(scmd); | |
3985 | scmd->scsi_done(scmd); | |
77e63ed4 | 3986 | return 1; |
635374e7 EM |
3987 | } |
3988 | ||
635374e7 EM |
3989 | /** |
3990 | * _scsih_sas_host_refresh - refreshing sas host object contents | |
3991 | * @ioc: per adapter object | |
635374e7 EM |
3992 | * Context: user |
3993 | * | |
3994 | * During port enable, fw will send topology events for every device. Its | |
3995 | * possible that the handles may change from the previous setting, so this | |
3996 | * code keeping handles updating if changed. | |
3997 | * | |
3998 | * Return nothing. | |
3999 | */ | |
4000 | static void | |
c5e039be | 4001 | _scsih_sas_host_refresh(struct MPT2SAS_ADAPTER *ioc) |
635374e7 EM |
4002 | { |
4003 | u16 sz; | |
4004 | u16 ioc_status; | |
4005 | int i; | |
4006 | Mpi2ConfigReply_t mpi_reply; | |
4007 | Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL; | |
c5e039be | 4008 | u16 attached_handle; |
7f6f794d | 4009 | u8 link_rate; |
635374e7 EM |
4010 | |
4011 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT | |
4012 | "updating handles for sas_host(0x%016llx)\n", | |
4013 | ioc->name, (unsigned long long)ioc->sas_hba.sas_address)); | |
4014 | ||
4015 | sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys | |
4016 | * sizeof(Mpi2SasIOUnit0PhyData_t)); | |
4017 | sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL); | |
4018 | if (!sas_iounit_pg0) { | |
4019 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4020 | ioc->name, __FILE__, __LINE__, __func__); | |
4021 | return; | |
4022 | } | |
635374e7 | 4023 | |
c5e039be KD |
4024 | if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply, |
4025 | sas_iounit_pg0, sz)) != 0) | |
4026 | goto out; | |
4027 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; | |
4028 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) | |
4029 | goto out; | |
4030 | for (i = 0; i < ioc->sas_hba.num_phys ; i++) { | |
7f6f794d | 4031 | link_rate = sas_iounit_pg0->PhyData[i].NegotiatedLinkRate >> 4; |
c5e039be KD |
4032 | if (i == 0) |
4033 | ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0-> | |
4034 | PhyData[0].ControllerDevHandle); | |
4035 | ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle; | |
4036 | attached_handle = le16_to_cpu(sas_iounit_pg0->PhyData[i]. | |
4037 | AttachedDevHandle); | |
7f6f794d KD |
4038 | if (attached_handle && link_rate < MPI2_SAS_NEG_LINK_RATE_1_5) |
4039 | link_rate = MPI2_SAS_NEG_LINK_RATE_1_5; | |
c5e039be | 4040 | mpt2sas_transport_update_links(ioc, ioc->sas_hba.sas_address, |
7f6f794d | 4041 | attached_handle, i, link_rate); |
c5e039be | 4042 | } |
635374e7 EM |
4043 | out: |
4044 | kfree(sas_iounit_pg0); | |
4045 | } | |
4046 | ||
4047 | /** | |
4048 | * _scsih_sas_host_add - create sas host object | |
4049 | * @ioc: per adapter object | |
4050 | * | |
4051 | * Creating host side data object, stored in ioc->sas_hba | |
4052 | * | |
4053 | * Return nothing. | |
4054 | */ | |
4055 | static void | |
4056 | _scsih_sas_host_add(struct MPT2SAS_ADAPTER *ioc) | |
4057 | { | |
4058 | int i; | |
4059 | Mpi2ConfigReply_t mpi_reply; | |
4060 | Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL; | |
4061 | Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; | |
4062 | Mpi2SasPhyPage0_t phy_pg0; | |
4063 | Mpi2SasDevicePage0_t sas_device_pg0; | |
4064 | Mpi2SasEnclosurePage0_t enclosure_pg0; | |
4065 | u16 ioc_status; | |
4066 | u16 sz; | |
4067 | u16 device_missing_delay; | |
4068 | ||
4069 | mpt2sas_config_get_number_hba_phys(ioc, &ioc->sas_hba.num_phys); | |
4070 | if (!ioc->sas_hba.num_phys) { | |
4071 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4072 | ioc->name, __FILE__, __LINE__, __func__); | |
4073 | return; | |
4074 | } | |
4075 | ||
4076 | /* sas_iounit page 0 */ | |
4077 | sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys * | |
4078 | sizeof(Mpi2SasIOUnit0PhyData_t)); | |
4079 | sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL); | |
4080 | if (!sas_iounit_pg0) { | |
4081 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4082 | ioc->name, __FILE__, __LINE__, __func__); | |
4083 | return; | |
4084 | } | |
4085 | if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply, | |
4086 | sas_iounit_pg0, sz))) { | |
4087 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4088 | ioc->name, __FILE__, __LINE__, __func__); | |
4089 | goto out; | |
4090 | } | |
4091 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
4092 | MPI2_IOCSTATUS_MASK; | |
4093 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
4094 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4095 | ioc->name, __FILE__, __LINE__, __func__); | |
4096 | goto out; | |
4097 | } | |
4098 | ||
4099 | /* sas_iounit page 1 */ | |
4100 | sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys * | |
4101 | sizeof(Mpi2SasIOUnit1PhyData_t)); | |
4102 | sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); | |
4103 | if (!sas_iounit_pg1) { | |
4104 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4105 | ioc->name, __FILE__, __LINE__, __func__); | |
4106 | goto out; | |
4107 | } | |
4108 | if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, | |
4109 | sas_iounit_pg1, sz))) { | |
4110 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4111 | ioc->name, __FILE__, __LINE__, __func__); | |
4112 | goto out; | |
4113 | } | |
4114 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
4115 | MPI2_IOCSTATUS_MASK; | |
4116 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
4117 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4118 | ioc->name, __FILE__, __LINE__, __func__); | |
4119 | goto out; | |
4120 | } | |
4121 | ||
4122 | ioc->io_missing_delay = | |
4123 | le16_to_cpu(sas_iounit_pg1->IODeviceMissingDelay); | |
4124 | device_missing_delay = | |
4125 | le16_to_cpu(sas_iounit_pg1->ReportDeviceMissingDelay); | |
4126 | if (device_missing_delay & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16) | |
4127 | ioc->device_missing_delay = (device_missing_delay & | |
4128 | MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16; | |
4129 | else | |
4130 | ioc->device_missing_delay = device_missing_delay & | |
4131 | MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK; | |
4132 | ||
4133 | ioc->sas_hba.parent_dev = &ioc->shost->shost_gendev; | |
4134 | ioc->sas_hba.phy = kcalloc(ioc->sas_hba.num_phys, | |
4135 | sizeof(struct _sas_phy), GFP_KERNEL); | |
4136 | if (!ioc->sas_hba.phy) { | |
4137 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4138 | ioc->name, __FILE__, __LINE__, __func__); | |
4139 | goto out; | |
4140 | } | |
4141 | for (i = 0; i < ioc->sas_hba.num_phys ; i++) { | |
4142 | if ((mpt2sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0, | |
4143 | i))) { | |
4144 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4145 | ioc->name, __FILE__, __LINE__, __func__); | |
4146 | goto out; | |
4147 | } | |
4148 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
4149 | MPI2_IOCSTATUS_MASK; | |
4150 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
4151 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4152 | ioc->name, __FILE__, __LINE__, __func__); | |
4153 | goto out; | |
4154 | } | |
c5e039be KD |
4155 | |
4156 | if (i == 0) | |
4157 | ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0-> | |
4158 | PhyData[0].ControllerDevHandle); | |
4159 | ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle; | |
635374e7 EM |
4160 | ioc->sas_hba.phy[i].phy_id = i; |
4161 | mpt2sas_transport_add_host_phy(ioc, &ioc->sas_hba.phy[i], | |
4162 | phy_pg0, ioc->sas_hba.parent_dev); | |
4163 | } | |
4164 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
c5e039be | 4165 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, ioc->sas_hba.handle))) { |
635374e7 EM |
4166 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
4167 | ioc->name, __FILE__, __LINE__, __func__); | |
4168 | goto out; | |
4169 | } | |
635374e7 EM |
4170 | ioc->sas_hba.enclosure_handle = |
4171 | le16_to_cpu(sas_device_pg0.EnclosureHandle); | |
4172 | ioc->sas_hba.sas_address = le64_to_cpu(sas_device_pg0.SASAddress); | |
4173 | printk(MPT2SAS_INFO_FMT "host_add: handle(0x%04x), " | |
4174 | "sas_addr(0x%016llx), phys(%d)\n", ioc->name, ioc->sas_hba.handle, | |
4175 | (unsigned long long) ioc->sas_hba.sas_address, | |
4176 | ioc->sas_hba.num_phys) ; | |
4177 | ||
4178 | if (ioc->sas_hba.enclosure_handle) { | |
4179 | if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply, | |
4180 | &enclosure_pg0, | |
4181 | MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, | |
4182 | ioc->sas_hba.enclosure_handle))) { | |
4183 | ioc->sas_hba.enclosure_logical_id = | |
4184 | le64_to_cpu(enclosure_pg0.EnclosureLogicalID); | |
4185 | } | |
4186 | } | |
4187 | ||
4188 | out: | |
4189 | kfree(sas_iounit_pg1); | |
4190 | kfree(sas_iounit_pg0); | |
4191 | } | |
4192 | ||
4193 | /** | |
4194 | * _scsih_expander_add - creating expander object | |
4195 | * @ioc: per adapter object | |
4196 | * @handle: expander handle | |
4197 | * | |
4198 | * Creating expander object, stored in ioc->sas_expander_list. | |
4199 | * | |
4200 | * Return 0 for success, else error. | |
4201 | */ | |
4202 | static int | |
4203 | _scsih_expander_add(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
4204 | { | |
4205 | struct _sas_node *sas_expander; | |
4206 | Mpi2ConfigReply_t mpi_reply; | |
4207 | Mpi2ExpanderPage0_t expander_pg0; | |
4208 | Mpi2ExpanderPage1_t expander_pg1; | |
4209 | Mpi2SasEnclosurePage0_t enclosure_pg0; | |
4210 | u32 ioc_status; | |
4211 | u16 parent_handle; | |
c5e039be | 4212 | __le64 sas_address, sas_address_parent = 0; |
635374e7 EM |
4213 | int i; |
4214 | unsigned long flags; | |
20f5895d | 4215 | struct _sas_port *mpt2sas_port = NULL; |
635374e7 EM |
4216 | int rc = 0; |
4217 | ||
4218 | if (!handle) | |
4219 | return -1; | |
4220 | ||
3cb5469a | 4221 | if (ioc->shost_recovery || ioc->pci_error_recovery) |
155dd4c7 KD |
4222 | return -1; |
4223 | ||
635374e7 EM |
4224 | if ((mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, |
4225 | MPI2_SAS_EXPAND_PGAD_FORM_HNDL, handle))) { | |
4226 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4227 | ioc->name, __FILE__, __LINE__, __func__); | |
4228 | return -1; | |
4229 | } | |
4230 | ||
4231 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
4232 | MPI2_IOCSTATUS_MASK; | |
4233 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
4234 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4235 | ioc->name, __FILE__, __LINE__, __func__); | |
4236 | return -1; | |
4237 | } | |
4238 | ||
4239 | /* handle out of order topology events */ | |
4240 | parent_handle = le16_to_cpu(expander_pg0.ParentDevHandle); | |
c5e039be KD |
4241 | if (_scsih_get_sas_address(ioc, parent_handle, &sas_address_parent) |
4242 | != 0) { | |
4243 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4244 | ioc->name, __FILE__, __LINE__, __func__); | |
4245 | return -1; | |
4246 | } | |
4247 | if (sas_address_parent != ioc->sas_hba.sas_address) { | |
635374e7 | 4248 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
c5e039be KD |
4249 | sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc, |
4250 | sas_address_parent); | |
635374e7 EM |
4251 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
4252 | if (!sas_expander) { | |
4253 | rc = _scsih_expander_add(ioc, parent_handle); | |
4254 | if (rc != 0) | |
4255 | return rc; | |
4256 | } | |
4257 | } | |
4258 | ||
635374e7 | 4259 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
595bb0bd | 4260 | sas_address = le64_to_cpu(expander_pg0.SASAddress); |
635374e7 EM |
4261 | sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc, |
4262 | sas_address); | |
4263 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
4264 | ||
4265 | if (sas_expander) | |
4266 | return 0; | |
4267 | ||
4268 | sas_expander = kzalloc(sizeof(struct _sas_node), | |
4269 | GFP_KERNEL); | |
4270 | if (!sas_expander) { | |
4271 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4272 | ioc->name, __FILE__, __LINE__, __func__); | |
4273 | return -1; | |
4274 | } | |
4275 | ||
4276 | sas_expander->handle = handle; | |
4277 | sas_expander->num_phys = expander_pg0.NumPhys; | |
c5e039be | 4278 | sas_expander->sas_address_parent = sas_address_parent; |
635374e7 EM |
4279 | sas_expander->sas_address = sas_address; |
4280 | ||
4281 | printk(MPT2SAS_INFO_FMT "expander_add: handle(0x%04x)," | |
4282 | " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc->name, | |
c5e039be | 4283 | handle, parent_handle, (unsigned long long) |
635374e7 EM |
4284 | sas_expander->sas_address, sas_expander->num_phys); |
4285 | ||
4286 | if (!sas_expander->num_phys) | |
4287 | goto out_fail; | |
4288 | sas_expander->phy = kcalloc(sas_expander->num_phys, | |
4289 | sizeof(struct _sas_phy), GFP_KERNEL); | |
4290 | if (!sas_expander->phy) { | |
4291 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4292 | ioc->name, __FILE__, __LINE__, __func__); | |
4293 | rc = -1; | |
4294 | goto out_fail; | |
4295 | } | |
4296 | ||
4297 | INIT_LIST_HEAD(&sas_expander->sas_port_list); | |
4298 | mpt2sas_port = mpt2sas_transport_port_add(ioc, handle, | |
c5e039be | 4299 | sas_address_parent); |
635374e7 EM |
4300 | if (!mpt2sas_port) { |
4301 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4302 | ioc->name, __FILE__, __LINE__, __func__); | |
4303 | rc = -1; | |
4304 | goto out_fail; | |
4305 | } | |
4306 | sas_expander->parent_dev = &mpt2sas_port->rphy->dev; | |
4307 | ||
4308 | for (i = 0 ; i < sas_expander->num_phys ; i++) { | |
4309 | if ((mpt2sas_config_get_expander_pg1(ioc, &mpi_reply, | |
4310 | &expander_pg1, i, handle))) { | |
4311 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4312 | ioc->name, __FILE__, __LINE__, __func__); | |
20f5895d KD |
4313 | rc = -1; |
4314 | goto out_fail; | |
635374e7 EM |
4315 | } |
4316 | sas_expander->phy[i].handle = handle; | |
4317 | sas_expander->phy[i].phy_id = i; | |
20f5895d KD |
4318 | |
4319 | if ((mpt2sas_transport_add_expander_phy(ioc, | |
4320 | &sas_expander->phy[i], expander_pg1, | |
4321 | sas_expander->parent_dev))) { | |
4322 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4323 | ioc->name, __FILE__, __LINE__, __func__); | |
4324 | rc = -1; | |
4325 | goto out_fail; | |
4326 | } | |
635374e7 EM |
4327 | } |
4328 | ||
4329 | if (sas_expander->enclosure_handle) { | |
4330 | if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply, | |
4331 | &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, | |
4332 | sas_expander->enclosure_handle))) { | |
4333 | sas_expander->enclosure_logical_id = | |
4334 | le64_to_cpu(enclosure_pg0.EnclosureLogicalID); | |
4335 | } | |
4336 | } | |
4337 | ||
4338 | _scsih_expander_node_add(ioc, sas_expander); | |
4339 | return 0; | |
4340 | ||
4341 | out_fail: | |
4342 | ||
20f5895d KD |
4343 | if (mpt2sas_port) |
4344 | mpt2sas_transport_port_remove(ioc, sas_expander->sas_address, | |
c5e039be | 4345 | sas_address_parent); |
635374e7 EM |
4346 | kfree(sas_expander); |
4347 | return rc; | |
4348 | } | |
4349 | ||
744090d3 KD |
4350 | /** |
4351 | * _scsih_done - scsih callback handler. | |
4352 | * @ioc: per adapter object | |
4353 | * @smid: system request message index | |
4354 | * @msix_index: MSIX table index supplied by the OS | |
4355 | * @reply: reply message frame(lower 32bit addr) | |
4356 | * | |
4357 | * Callback handler when sending internal generated message frames. | |
4358 | * The callback index passed is `ioc->scsih_cb_idx` | |
4359 | * | |
4360 | * Return 1 meaning mf should be freed from _base_interrupt | |
4361 | * 0 means the mf is freed from this function. | |
4362 | */ | |
4363 | static u8 | |
4364 | _scsih_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) | |
4365 | { | |
4366 | MPI2DefaultReply_t *mpi_reply; | |
4367 | ||
4368 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
4369 | if (ioc->scsih_cmds.status == MPT2_CMD_NOT_USED) | |
4370 | return 1; | |
4371 | if (ioc->scsih_cmds.smid != smid) | |
4372 | return 1; | |
4373 | ioc->scsih_cmds.status |= MPT2_CMD_COMPLETE; | |
4374 | if (mpi_reply) { | |
4375 | memcpy(ioc->scsih_cmds.reply, mpi_reply, | |
4376 | mpi_reply->MsgLength*4); | |
4377 | ioc->scsih_cmds.status |= MPT2_CMD_REPLY_VALID; | |
4378 | } | |
4379 | ioc->scsih_cmds.status &= ~MPT2_CMD_PENDING; | |
4380 | complete(&ioc->scsih_cmds.done); | |
4381 | return 1; | |
4382 | } | |
4383 | ||
635374e7 | 4384 | /** |
7f6f794d | 4385 | * mpt2sas_expander_remove - removing expander object |
635374e7 | 4386 | * @ioc: per adapter object |
c5e039be | 4387 | * @sas_address: expander sas_address |
635374e7 EM |
4388 | * |
4389 | * Return nothing. | |
4390 | */ | |
7f6f794d KD |
4391 | void |
4392 | mpt2sas_expander_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address) | |
635374e7 EM |
4393 | { |
4394 | struct _sas_node *sas_expander; | |
4395 | unsigned long flags; | |
4396 | ||
155dd4c7 KD |
4397 | if (ioc->shost_recovery) |
4398 | return; | |
4399 | ||
635374e7 | 4400 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
c5e039be KD |
4401 | sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc, |
4402 | sas_address); | |
7f6f794d KD |
4403 | if (!sas_expander) { |
4404 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
4405 | return; | |
4406 | } | |
4407 | list_del(&sas_expander->list); | |
635374e7 EM |
4408 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
4409 | _scsih_expander_node_remove(ioc, sas_expander); | |
4410 | } | |
4411 | ||
b4344276 KD |
4412 | /** |
4413 | * _scsih_check_access_status - check access flags | |
4414 | * @ioc: per adapter object | |
4415 | * @sas_address: sas address | |
4416 | * @handle: sas device handle | |
4417 | * @access_flags: errors returned during discovery of the device | |
4418 | * | |
4419 | * Return 0 for success, else failure | |
4420 | */ | |
4421 | static u8 | |
4422 | _scsih_check_access_status(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, | |
4423 | u16 handle, u8 access_status) | |
4424 | { | |
4425 | u8 rc = 1; | |
4426 | char *desc = NULL; | |
4427 | ||
4428 | switch (access_status) { | |
4429 | case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS: | |
4430 | case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION: | |
4431 | rc = 0; | |
4432 | break; | |
4433 | case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED: | |
4434 | desc = "sata capability failed"; | |
4435 | break; | |
4436 | case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT: | |
4437 | desc = "sata affiliation conflict"; | |
4438 | break; | |
4439 | case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE: | |
4440 | desc = "route not addressable"; | |
4441 | break; | |
4442 | case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE: | |
4443 | desc = "smp error not addressable"; | |
4444 | break; | |
4445 | case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED: | |
4446 | desc = "device blocked"; | |
4447 | break; | |
4448 | case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED: | |
4449 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN: | |
4450 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT: | |
4451 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG: | |
4452 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION: | |
4453 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER: | |
4454 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN: | |
4455 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN: | |
4456 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN: | |
4457 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION: | |
4458 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE: | |
4459 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX: | |
4460 | desc = "sata initialization failed"; | |
4461 | break; | |
4462 | default: | |
4463 | desc = "unknown"; | |
4464 | break; | |
4465 | } | |
4466 | ||
4467 | if (!rc) | |
4468 | return 0; | |
4469 | ||
4470 | printk(MPT2SAS_ERR_FMT "discovery errors(%s): sas_address(0x%016llx), " | |
4471 | "handle(0x%04x)\n", ioc->name, desc, | |
4472 | (unsigned long long)sas_address, handle); | |
4473 | return rc; | |
4474 | } | |
4475 | ||
4476 | static void | |
4477 | _scsih_check_device(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
4478 | { | |
4479 | Mpi2ConfigReply_t mpi_reply; | |
4480 | Mpi2SasDevicePage0_t sas_device_pg0; | |
4481 | struct _sas_device *sas_device; | |
4482 | u32 ioc_status; | |
4483 | unsigned long flags; | |
4484 | u64 sas_address; | |
4485 | struct scsi_target *starget; | |
4486 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
4487 | u32 device_info; | |
4488 | ||
4489 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
4490 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) | |
4491 | return; | |
4492 | ||
4493 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; | |
4494 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) | |
4495 | return; | |
4496 | ||
4497 | /* check if this is end device */ | |
4498 | device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); | |
4499 | if (!(_scsih_is_end_device(device_info))) | |
4500 | return; | |
4501 | ||
4502 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
4503 | sas_address = le64_to_cpu(sas_device_pg0.SASAddress); | |
4504 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
4505 | sas_address); | |
4506 | ||
4507 | if (!sas_device) { | |
4508 | printk(MPT2SAS_ERR_FMT "device is not present " | |
4509 | "handle(0x%04x), no sas_device!!!\n", ioc->name, handle); | |
4510 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4511 | return; | |
4512 | } | |
4513 | ||
4514 | if (unlikely(sas_device->handle != handle)) { | |
4515 | starget = sas_device->starget; | |
4516 | sas_target_priv_data = starget->hostdata; | |
4517 | starget_printk(KERN_INFO, starget, "handle changed from(0x%04x)" | |
4518 | " to (0x%04x)!!!\n", sas_device->handle, handle); | |
4519 | sas_target_priv_data->handle = handle; | |
4520 | sas_device->handle = handle; | |
4521 | } | |
4522 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4523 | ||
4524 | /* check if device is present */ | |
4525 | if (!(le16_to_cpu(sas_device_pg0.Flags) & | |
4526 | MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) { | |
4527 | printk(MPT2SAS_ERR_FMT "device is not present " | |
4528 | "handle(0x%04x), flags!!!\n", ioc->name, handle); | |
4529 | return; | |
4530 | } | |
4531 | ||
4532 | /* check if there were any issues with discovery */ | |
4533 | if (_scsih_check_access_status(ioc, sas_address, handle, | |
4534 | sas_device_pg0.AccessStatus)) | |
4535 | return; | |
4536 | _scsih_ublock_io_device(ioc, handle); | |
4537 | ||
4538 | } | |
4539 | ||
635374e7 EM |
4540 | /** |
4541 | * _scsih_add_device - creating sas device object | |
4542 | * @ioc: per adapter object | |
4543 | * @handle: sas device handle | |
4544 | * @phy_num: phy number end device attached to | |
4545 | * @is_pd: is this hidden raid component | |
4546 | * | |
4547 | * Creating end device object, stored in ioc->sas_device_list. | |
4548 | * | |
4549 | * Returns 0 for success, non-zero for failure. | |
4550 | */ | |
4551 | static int | |
4552 | _scsih_add_device(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 phy_num, u8 is_pd) | |
4553 | { | |
4554 | Mpi2ConfigReply_t mpi_reply; | |
4555 | Mpi2SasDevicePage0_t sas_device_pg0; | |
4556 | Mpi2SasEnclosurePage0_t enclosure_pg0; | |
4557 | struct _sas_device *sas_device; | |
4558 | u32 ioc_status; | |
4559 | __le64 sas_address; | |
4560 | u32 device_info; | |
4561 | unsigned long flags; | |
4562 | ||
4563 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
4564 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { | |
4565 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4566 | ioc->name, __FILE__, __LINE__, __func__); | |
4567 | return -1; | |
4568 | } | |
4569 | ||
4570 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
4571 | MPI2_IOCSTATUS_MASK; | |
4572 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
4573 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4574 | ioc->name, __FILE__, __LINE__, __func__); | |
4575 | return -1; | |
4576 | } | |
4577 | ||
b4344276 KD |
4578 | sas_address = le64_to_cpu(sas_device_pg0.SASAddress); |
4579 | ||
635374e7 EM |
4580 | /* check if device is present */ |
4581 | if (!(le16_to_cpu(sas_device_pg0.Flags) & | |
4582 | MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) { | |
4583 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4584 | ioc->name, __FILE__, __LINE__, __func__); | |
4585 | printk(MPT2SAS_ERR_FMT "Flags = 0x%04x\n", | |
4586 | ioc->name, le16_to_cpu(sas_device_pg0.Flags)); | |
4587 | return -1; | |
4588 | } | |
4589 | ||
b4344276 KD |
4590 | /* check if there were any issues with discovery */ |
4591 | if (_scsih_check_access_status(ioc, sas_address, handle, | |
4592 | sas_device_pg0.AccessStatus)) | |
635374e7 | 4593 | return -1; |
635374e7 EM |
4594 | |
4595 | /* check if this is end device */ | |
4596 | device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); | |
4597 | if (!(_scsih_is_end_device(device_info))) { | |
4598 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4599 | ioc->name, __FILE__, __LINE__, __func__); | |
4600 | return -1; | |
4601 | } | |
4602 | ||
635374e7 EM |
4603 | |
4604 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
4605 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
4606 | sas_address); | |
4607 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4608 | ||
b4344276 | 4609 | if (sas_device) |
635374e7 | 4610 | return 0; |
635374e7 EM |
4611 | |
4612 | sas_device = kzalloc(sizeof(struct _sas_device), | |
4613 | GFP_KERNEL); | |
4614 | if (!sas_device) { | |
4615 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4616 | ioc->name, __FILE__, __LINE__, __func__); | |
4617 | return -1; | |
4618 | } | |
4619 | ||
4620 | sas_device->handle = handle; | |
c5e039be KD |
4621 | if (_scsih_get_sas_address(ioc, le16_to_cpu |
4622 | (sas_device_pg0.ParentDevHandle), | |
4623 | &sas_device->sas_address_parent) != 0) | |
4624 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4625 | ioc->name, __FILE__, __LINE__, __func__); | |
635374e7 EM |
4626 | sas_device->enclosure_handle = |
4627 | le16_to_cpu(sas_device_pg0.EnclosureHandle); | |
4628 | sas_device->slot = | |
4629 | le16_to_cpu(sas_device_pg0.Slot); | |
4630 | sas_device->device_info = device_info; | |
4631 | sas_device->sas_address = sas_address; | |
7fbae67a | 4632 | sas_device->phy = sas_device_pg0.PhyNum; |
635374e7 EM |
4633 | |
4634 | /* get enclosure_logical_id */ | |
15052c9e KD |
4635 | if (sas_device->enclosure_handle && !(mpt2sas_config_get_enclosure_pg0( |
4636 | ioc, &mpi_reply, &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, | |
4637 | sas_device->enclosure_handle))) | |
635374e7 EM |
4638 | sas_device->enclosure_logical_id = |
4639 | le64_to_cpu(enclosure_pg0.EnclosureLogicalID); | |
635374e7 EM |
4640 | |
4641 | /* get device name */ | |
4642 | sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName); | |
4643 | ||
4644 | if (ioc->wait_for_port_enable_to_complete) | |
4645 | _scsih_sas_device_init_add(ioc, sas_device); | |
4646 | else | |
4647 | _scsih_sas_device_add(ioc, sas_device); | |
4648 | ||
4649 | return 0; | |
4650 | } | |
4651 | ||
1278b11f KD |
4652 | /** |
4653 | * _scsih_remove_device - removing sas device object | |
4654 | * @ioc: per adapter object | |
4655 | * @sas_device_delete: the sas_device object | |
4656 | * | |
4657 | * Return nothing. | |
4658 | */ | |
4659 | static void | |
4660 | _scsih_remove_device(struct MPT2SAS_ADAPTER *ioc, | |
4661 | struct _sas_device *sas_device) | |
4662 | { | |
4663 | struct _sas_device sas_device_backup; | |
4664 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
34a03bef | 4665 | |
1278b11f KD |
4666 | if (!sas_device) |
4667 | return; | |
4668 | ||
4669 | memcpy(&sas_device_backup, sas_device, sizeof(struct _sas_device)); | |
4670 | _scsih_sas_device_remove(ioc, sas_device); | |
34a03bef | 4671 | |
1278b11f KD |
4672 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter: " |
4673 | "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, | |
4674 | sas_device_backup.handle, (unsigned long long) | |
4675 | sas_device_backup.sas_address)); | |
4676 | ||
4677 | if (sas_device_backup.starget && sas_device_backup.starget->hostdata) { | |
4678 | sas_target_priv_data = sas_device_backup.starget->hostdata; | |
4679 | sas_target_priv_data->deleted = 1; | |
4680 | } | |
4681 | ||
1278b11f KD |
4682 | _scsih_ublock_io_device(ioc, sas_device_backup.handle); |
4683 | ||
4684 | mpt2sas_transport_port_remove(ioc, sas_device_backup.sas_address, | |
4685 | sas_device_backup.sas_address_parent); | |
635374e7 EM |
4686 | |
4687 | printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), sas_addr" | |
1278b11f KD |
4688 | "(0x%016llx)\n", ioc->name, sas_device_backup.handle, |
4689 | (unsigned long long) sas_device_backup.sas_address); | |
635374e7 | 4690 | |
1278b11f KD |
4691 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit: " |
4692 | "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, | |
4693 | sas_device_backup.handle, (unsigned long long) | |
4694 | sas_device_backup.sas_address)); | |
635374e7 EM |
4695 | } |
4696 | ||
7f6f794d KD |
4697 | /** |
4698 | * mpt2sas_device_remove - removing device object | |
4699 | * @ioc: per adapter object | |
4700 | * @sas_address: expander sas_address | |
4701 | * | |
4702 | * Return nothing. | |
4703 | */ | |
4704 | void | |
4705 | mpt2sas_device_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address) | |
4706 | { | |
4707 | struct _sas_device *sas_device; | |
4708 | unsigned long flags; | |
4709 | ||
4710 | if (ioc->shost_recovery) | |
4711 | return; | |
4712 | ||
4713 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
4714 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
4715 | sas_address); | |
4716 | if (!sas_device) { | |
4717 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4718 | return; | |
4719 | } | |
4720 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4721 | _scsih_remove_device(ioc, sas_device); | |
4722 | } | |
4723 | ||
635374e7 EM |
4724 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
4725 | /** | |
4726 | * _scsih_sas_topology_change_event_debug - debug for topology event | |
4727 | * @ioc: per adapter object | |
4728 | * @event_data: event data payload | |
4729 | * Context: user. | |
4730 | */ | |
4731 | static void | |
4732 | _scsih_sas_topology_change_event_debug(struct MPT2SAS_ADAPTER *ioc, | |
4733 | Mpi2EventDataSasTopologyChangeList_t *event_data) | |
4734 | { | |
4735 | int i; | |
4736 | u16 handle; | |
4737 | u16 reason_code; | |
4738 | u8 phy_number; | |
4739 | char *status_str = NULL; | |
e7d59c17 | 4740 | u8 link_rate, prev_link_rate; |
635374e7 EM |
4741 | |
4742 | switch (event_data->ExpStatus) { | |
4743 | case MPI2_EVENT_SAS_TOPO_ES_ADDED: | |
4744 | status_str = "add"; | |
4745 | break; | |
4746 | case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING: | |
4747 | status_str = "remove"; | |
4748 | break; | |
4749 | case MPI2_EVENT_SAS_TOPO_ES_RESPONDING: | |
e7d59c17 | 4750 | case 0: |
635374e7 EM |
4751 | status_str = "responding"; |
4752 | break; | |
4753 | case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING: | |
4754 | status_str = "remove delay"; | |
4755 | break; | |
4756 | default: | |
4757 | status_str = "unknown status"; | |
4758 | break; | |
4759 | } | |
eabb08ad | 4760 | printk(MPT2SAS_INFO_FMT "sas topology change: (%s)\n", |
635374e7 | 4761 | ioc->name, status_str); |
eabb08ad | 4762 | printk(KERN_INFO "\thandle(0x%04x), enclosure_handle(0x%04x) " |
635374e7 EM |
4763 | "start_phy(%02d), count(%d)\n", |
4764 | le16_to_cpu(event_data->ExpanderDevHandle), | |
4765 | le16_to_cpu(event_data->EnclosureHandle), | |
4766 | event_data->StartPhyNum, event_data->NumEntries); | |
4767 | for (i = 0; i < event_data->NumEntries; i++) { | |
4768 | handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); | |
4769 | if (!handle) | |
4770 | continue; | |
4771 | phy_number = event_data->StartPhyNum + i; | |
4772 | reason_code = event_data->PHY[i].PhyStatus & | |
4773 | MPI2_EVENT_SAS_TOPO_RC_MASK; | |
4774 | switch (reason_code) { | |
4775 | case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: | |
e7d59c17 | 4776 | status_str = "target add"; |
635374e7 EM |
4777 | break; |
4778 | case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: | |
e7d59c17 | 4779 | status_str = "target remove"; |
635374e7 EM |
4780 | break; |
4781 | case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING: | |
e7d59c17 | 4782 | status_str = "delay target remove"; |
635374e7 EM |
4783 | break; |
4784 | case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: | |
e7d59c17 | 4785 | status_str = "link rate change"; |
635374e7 EM |
4786 | break; |
4787 | case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE: | |
e7d59c17 | 4788 | status_str = "target responding"; |
635374e7 EM |
4789 | break; |
4790 | default: | |
e7d59c17 | 4791 | status_str = "unknown"; |
635374e7 EM |
4792 | break; |
4793 | } | |
e7d59c17 KD |
4794 | link_rate = event_data->PHY[i].LinkRate >> 4; |
4795 | prev_link_rate = event_data->PHY[i].LinkRate & 0xF; | |
eabb08ad | 4796 | printk(KERN_INFO "\tphy(%02d), attached_handle(0x%04x): %s:" |
e7d59c17 KD |
4797 | " link rate: new(0x%02x), old(0x%02x)\n", phy_number, |
4798 | handle, status_str, link_rate, prev_link_rate); | |
4799 | ||
635374e7 EM |
4800 | } |
4801 | } | |
4802 | #endif | |
4803 | ||
4804 | /** | |
4805 | * _scsih_sas_topology_change_event - handle topology changes | |
4806 | * @ioc: per adapter object | |
7b936b02 | 4807 | * @fw_event: The fw_event_work object |
635374e7 EM |
4808 | * Context: user. |
4809 | * | |
4810 | */ | |
4811 | static void | |
7b936b02 | 4812 | _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc, |
635374e7 EM |
4813 | struct fw_event_work *fw_event) |
4814 | { | |
4815 | int i; | |
4816 | u16 parent_handle, handle; | |
4817 | u16 reason_code; | |
b41c09d1 | 4818 | u8 phy_number, max_phys; |
635374e7 | 4819 | struct _sas_node *sas_expander; |
c5e039be KD |
4820 | struct _sas_device *sas_device; |
4821 | u64 sas_address; | |
635374e7 | 4822 | unsigned long flags; |
e7d59c17 | 4823 | u8 link_rate, prev_link_rate; |
7b936b02 | 4824 | Mpi2EventDataSasTopologyChangeList_t *event_data = fw_event->event_data; |
635374e7 EM |
4825 | |
4826 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
4827 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) | |
4828 | _scsih_sas_topology_change_event_debug(ioc, event_data); | |
4829 | #endif | |
4830 | ||
3cb5469a | 4831 | if (ioc->shost_recovery || ioc->remove_host || ioc->pci_error_recovery) |
c5e039be KD |
4832 | return; |
4833 | ||
635374e7 EM |
4834 | if (!ioc->sas_hba.num_phys) |
4835 | _scsih_sas_host_add(ioc); | |
4836 | else | |
c5e039be | 4837 | _scsih_sas_host_refresh(ioc); |
635374e7 EM |
4838 | |
4839 | if (fw_event->ignore) { | |
eabb08ad | 4840 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "ignoring expander " |
635374e7 EM |
4841 | "event\n", ioc->name)); |
4842 | return; | |
4843 | } | |
4844 | ||
4845 | parent_handle = le16_to_cpu(event_data->ExpanderDevHandle); | |
4846 | ||
4847 | /* handle expander add */ | |
4848 | if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_ADDED) | |
4849 | if (_scsih_expander_add(ioc, parent_handle) != 0) | |
4850 | return; | |
4851 | ||
c5e039be KD |
4852 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
4853 | sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc, | |
4854 | parent_handle); | |
4855 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
b41c09d1 | 4856 | if (sas_expander) { |
c5e039be | 4857 | sas_address = sas_expander->sas_address; |
b41c09d1 KD |
4858 | max_phys = sas_expander->num_phys; |
4859 | } else if (parent_handle < ioc->sas_hba.num_phys) { | |
c5e039be | 4860 | sas_address = ioc->sas_hba.sas_address; |
b41c09d1 KD |
4861 | max_phys = ioc->sas_hba.num_phys; |
4862 | } else | |
c5e039be KD |
4863 | return; |
4864 | ||
635374e7 EM |
4865 | /* handle siblings events */ |
4866 | for (i = 0; i < event_data->NumEntries; i++) { | |
4867 | if (fw_event->ignore) { | |
eabb08ad | 4868 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "ignoring " |
635374e7 EM |
4869 | "expander event\n", ioc->name)); |
4870 | return; | |
4871 | } | |
3cb5469a EM |
4872 | if (ioc->shost_recovery || ioc->remove_host || |
4873 | ioc->pci_error_recovery) | |
155dd4c7 | 4874 | return; |
308609c6 | 4875 | phy_number = event_data->StartPhyNum + i; |
b41c09d1 KD |
4876 | if (phy_number >= max_phys) |
4877 | continue; | |
308609c6 KD |
4878 | reason_code = event_data->PHY[i].PhyStatus & |
4879 | MPI2_EVENT_SAS_TOPO_RC_MASK; | |
4880 | if ((event_data->PHY[i].PhyStatus & | |
4881 | MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) && (reason_code != | |
4882 | MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)) | |
635374e7 EM |
4883 | continue; |
4884 | handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); | |
4885 | if (!handle) | |
4886 | continue; | |
c5e039be | 4887 | link_rate = event_data->PHY[i].LinkRate >> 4; |
e7d59c17 | 4888 | prev_link_rate = event_data->PHY[i].LinkRate & 0xF; |
635374e7 EM |
4889 | switch (reason_code) { |
4890 | case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: | |
e7d59c17 KD |
4891 | |
4892 | if (link_rate == prev_link_rate) | |
4893 | break; | |
4894 | ||
4895 | mpt2sas_transport_update_links(ioc, sas_address, | |
4896 | handle, phy_number, link_rate); | |
4897 | ||
b4344276 KD |
4898 | if (link_rate < MPI2_SAS_NEG_LINK_RATE_1_5) |
4899 | break; | |
4900 | ||
4901 | _scsih_check_device(ioc, handle); | |
e7d59c17 | 4902 | break; |
635374e7 | 4903 | case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: |
c5e039be KD |
4904 | |
4905 | mpt2sas_transport_update_links(ioc, sas_address, | |
4906 | handle, phy_number, link_rate); | |
4907 | ||
e7d59c17 | 4908 | _scsih_add_device(ioc, handle, phy_number, 0); |
635374e7 EM |
4909 | break; |
4910 | case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: | |
c5e039be KD |
4911 | |
4912 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
4913 | sas_device = _scsih_sas_device_find_by_handle(ioc, | |
4914 | handle); | |
4915 | if (!sas_device) { | |
4916 | spin_unlock_irqrestore(&ioc->sas_device_lock, | |
4917 | flags); | |
4918 | break; | |
4919 | } | |
4920 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4921 | _scsih_remove_device(ioc, sas_device); | |
635374e7 EM |
4922 | break; |
4923 | } | |
4924 | } | |
4925 | ||
4926 | /* handle expander removal */ | |
c5e039be KD |
4927 | if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING && |
4928 | sas_expander) | |
7f6f794d | 4929 | mpt2sas_expander_remove(ioc, sas_address); |
635374e7 EM |
4930 | |
4931 | } | |
4932 | ||
4933 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
4934 | /** | |
4935 | * _scsih_sas_device_status_change_event_debug - debug for device event | |
4936 | * @event_data: event data payload | |
4937 | * Context: user. | |
4938 | * | |
4939 | * Return nothing. | |
4940 | */ | |
4941 | static void | |
4942 | _scsih_sas_device_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc, | |
4943 | Mpi2EventDataSasDeviceStatusChange_t *event_data) | |
4944 | { | |
4945 | char *reason_str = NULL; | |
4946 | ||
4947 | switch (event_data->ReasonCode) { | |
4948 | case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA: | |
4949 | reason_str = "smart data"; | |
4950 | break; | |
4951 | case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED: | |
4952 | reason_str = "unsupported device discovered"; | |
4953 | break; | |
4954 | case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET: | |
4955 | reason_str = "internal device reset"; | |
4956 | break; | |
4957 | case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL: | |
4958 | reason_str = "internal task abort"; | |
4959 | break; | |
4960 | case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL: | |
4961 | reason_str = "internal task abort set"; | |
4962 | break; | |
4963 | case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL: | |
4964 | reason_str = "internal clear task set"; | |
4965 | break; | |
4966 | case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL: | |
4967 | reason_str = "internal query task"; | |
4968 | break; | |
4969 | case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE: | |
4970 | reason_str = "sata init failure"; | |
4971 | break; | |
4972 | case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET: | |
4973 | reason_str = "internal device reset complete"; | |
4974 | break; | |
4975 | case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL: | |
4976 | reason_str = "internal task abort complete"; | |
4977 | break; | |
4978 | case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION: | |
4979 | reason_str = "internal async notification"; | |
4980 | break; | |
ec6c2b43 KD |
4981 | case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY: |
4982 | reason_str = "expander reduced functionality"; | |
4983 | break; | |
4984 | case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY: | |
4985 | reason_str = "expander reduced functionality complete"; | |
4986 | break; | |
635374e7 EM |
4987 | default: |
4988 | reason_str = "unknown reason"; | |
4989 | break; | |
4990 | } | |
eabb08ad | 4991 | printk(MPT2SAS_INFO_FMT "device status change: (%s)\n" |
635374e7 EM |
4992 | "\thandle(0x%04x), sas address(0x%016llx)", ioc->name, |
4993 | reason_str, le16_to_cpu(event_data->DevHandle), | |
4994 | (unsigned long long)le64_to_cpu(event_data->SASAddress)); | |
4995 | if (event_data->ReasonCode == MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA) | |
eabb08ad | 4996 | printk(MPT2SAS_INFO_FMT ", ASC(0x%x), ASCQ(0x%x)\n", ioc->name, |
635374e7 EM |
4997 | event_data->ASC, event_data->ASCQ); |
4998 | printk(KERN_INFO "\n"); | |
4999 | } | |
5000 | #endif | |
5001 | ||
5002 | /** | |
5003 | * _scsih_sas_device_status_change_event - handle device status change | |
5004 | * @ioc: per adapter object | |
7b936b02 | 5005 | * @fw_event: The fw_event_work object |
635374e7 EM |
5006 | * Context: user. |
5007 | * | |
5008 | * Return nothing. | |
5009 | */ | |
5010 | static void | |
7b936b02 KD |
5011 | _scsih_sas_device_status_change_event(struct MPT2SAS_ADAPTER *ioc, |
5012 | struct fw_event_work *fw_event) | |
635374e7 | 5013 | { |
8ffc457e KD |
5014 | struct MPT2SAS_TARGET *target_priv_data; |
5015 | struct _sas_device *sas_device; | |
5016 | __le64 sas_address; | |
5017 | unsigned long flags; | |
5018 | Mpi2EventDataSasDeviceStatusChange_t *event_data = | |
5019 | fw_event->event_data; | |
5020 | ||
635374e7 EM |
5021 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
5022 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) | |
7b936b02 | 5023 | _scsih_sas_device_status_change_event_debug(ioc, |
8ffc457e | 5024 | event_data); |
635374e7 | 5025 | #endif |
8ffc457e | 5026 | |
efe82a16 KD |
5027 | /* In MPI Revision K (0xC), the internal device reset complete was |
5028 | * implemented, so avoid setting tm_busy flag for older firmware. | |
5029 | */ | |
5030 | if ((ioc->facts.HeaderVersion >> 8) < 0xC) | |
5031 | return; | |
5032 | ||
f891dcfd | 5033 | if (event_data->ReasonCode != |
8ffc457e | 5034 | MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET && |
f891dcfd KD |
5035 | event_data->ReasonCode != |
5036 | MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET) | |
8ffc457e KD |
5037 | return; |
5038 | ||
5039 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
5040 | sas_address = le64_to_cpu(event_data->SASAddress); | |
5041 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
5042 | sas_address); | |
5043 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
5044 | ||
5045 | if (!sas_device || !sas_device->starget) | |
5046 | return; | |
5047 | ||
5048 | target_priv_data = sas_device->starget->hostdata; | |
5049 | if (!target_priv_data) | |
5050 | return; | |
5051 | ||
5052 | if (event_data->ReasonCode == | |
5053 | MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET) | |
5054 | target_priv_data->tm_busy = 1; | |
5055 | else | |
5056 | target_priv_data->tm_busy = 0; | |
635374e7 EM |
5057 | } |
5058 | ||
5059 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
5060 | /** | |
5061 | * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure event | |
5062 | * @ioc: per adapter object | |
5063 | * @event_data: event data payload | |
5064 | * Context: user. | |
5065 | * | |
5066 | * Return nothing. | |
5067 | */ | |
5068 | static void | |
5069 | _scsih_sas_enclosure_dev_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc, | |
5070 | Mpi2EventDataSasEnclDevStatusChange_t *event_data) | |
5071 | { | |
5072 | char *reason_str = NULL; | |
5073 | ||
5074 | switch (event_data->ReasonCode) { | |
5075 | case MPI2_EVENT_SAS_ENCL_RC_ADDED: | |
5076 | reason_str = "enclosure add"; | |
5077 | break; | |
5078 | case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING: | |
5079 | reason_str = "enclosure remove"; | |
5080 | break; | |
5081 | default: | |
5082 | reason_str = "unknown reason"; | |
5083 | break; | |
5084 | } | |
5085 | ||
eabb08ad | 5086 | printk(MPT2SAS_INFO_FMT "enclosure status change: (%s)\n" |
635374e7 EM |
5087 | "\thandle(0x%04x), enclosure logical id(0x%016llx)" |
5088 | " number slots(%d)\n", ioc->name, reason_str, | |
5089 | le16_to_cpu(event_data->EnclosureHandle), | |
5090 | (unsigned long long)le64_to_cpu(event_data->EnclosureLogicalID), | |
5091 | le16_to_cpu(event_data->StartSlot)); | |
5092 | } | |
5093 | #endif | |
5094 | ||
5095 | /** | |
5096 | * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events | |
5097 | * @ioc: per adapter object | |
7b936b02 | 5098 | * @fw_event: The fw_event_work object |
635374e7 EM |
5099 | * Context: user. |
5100 | * | |
5101 | * Return nothing. | |
5102 | */ | |
5103 | static void | |
5104 | _scsih_sas_enclosure_dev_status_change_event(struct MPT2SAS_ADAPTER *ioc, | |
7b936b02 | 5105 | struct fw_event_work *fw_event) |
635374e7 EM |
5106 | { |
5107 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
5108 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) | |
5109 | _scsih_sas_enclosure_dev_status_change_event_debug(ioc, | |
7b936b02 | 5110 | fw_event->event_data); |
635374e7 EM |
5111 | #endif |
5112 | } | |
5113 | ||
5114 | /** | |
5115 | * _scsih_sas_broadcast_primative_event - handle broadcast events | |
5116 | * @ioc: per adapter object | |
7b936b02 | 5117 | * @fw_event: The fw_event_work object |
635374e7 EM |
5118 | * Context: user. |
5119 | * | |
5120 | * Return nothing. | |
5121 | */ | |
5122 | static void | |
7b936b02 KD |
5123 | _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc, |
5124 | struct fw_event_work *fw_event) | |
635374e7 EM |
5125 | { |
5126 | struct scsi_cmnd *scmd; | |
ec07a053 | 5127 | struct scsi_device *sdev; |
635374e7 EM |
5128 | u16 smid, handle; |
5129 | u32 lun; | |
5130 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
5131 | u32 termination_count; | |
5132 | u32 query_count; | |
5133 | Mpi2SCSITaskManagementReply_t *mpi_reply; | |
7b936b02 KD |
5134 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
5135 | Mpi2EventDataSasBroadcastPrimitive_t *event_data = fw_event->event_data; | |
5136 | #endif | |
463217bf | 5137 | u16 ioc_status; |
ec07a053 KD |
5138 | unsigned long flags; |
5139 | int r; | |
5140 | ||
25985edc | 5141 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "broadcast primitive: " |
635374e7 EM |
5142 | "phy number(%d), width(%d)\n", ioc->name, event_data->PhyNum, |
5143 | event_data->PortWidth)); | |
eabb08ad | 5144 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, |
635374e7 EM |
5145 | __func__)); |
5146 | ||
ec07a053 KD |
5147 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
5148 | ioc->broadcast_aen_busy = 0; | |
635374e7 EM |
5149 | termination_count = 0; |
5150 | query_count = 0; | |
5151 | mpi_reply = ioc->tm_cmds.reply; | |
595bb0bd | 5152 | for (smid = 1; smid <= ioc->scsiio_depth; smid++) { |
635374e7 EM |
5153 | scmd = _scsih_scsi_lookup_get(ioc, smid); |
5154 | if (!scmd) | |
5155 | continue; | |
ec07a053 KD |
5156 | sdev = scmd->device; |
5157 | sas_device_priv_data = sdev->hostdata; | |
635374e7 EM |
5158 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target) |
5159 | continue; | |
5160 | /* skip hidden raid components */ | |
5161 | if (sas_device_priv_data->sas_target->flags & | |
5162 | MPT_TARGET_FLAGS_RAID_COMPONENT) | |
5163 | continue; | |
5164 | /* skip volumes */ | |
5165 | if (sas_device_priv_data->sas_target->flags & | |
5166 | MPT_TARGET_FLAGS_VOLUME) | |
5167 | continue; | |
5168 | ||
5169 | handle = sas_device_priv_data->sas_target->handle; | |
5170 | lun = sas_device_priv_data->lun; | |
5171 | query_count++; | |
5172 | ||
ec07a053 | 5173 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
8ed9a03a KD |
5174 | mpt2sas_scsih_issue_tm(ioc, handle, 0, 0, lun, |
5175 | MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30, NULL); | |
8901cbb4 | 5176 | ioc->tm_cmds.status = MPT2_CMD_NOT_USED; |
463217bf KD |
5177 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) |
5178 | & MPI2_IOCSTATUS_MASK; | |
5179 | if ((ioc_status == MPI2_IOCSTATUS_SUCCESS) && | |
635374e7 EM |
5180 | (mpi_reply->ResponseCode == |
5181 | MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED || | |
5182 | mpi_reply->ResponseCode == | |
ec07a053 KD |
5183 | MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC)) { |
5184 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
635374e7 | 5185 | continue; |
ec07a053 KD |
5186 | } |
5187 | r = mpt2sas_scsih_issue_tm(ioc, handle, sdev->channel, sdev->id, | |
5188 | sdev->lun, MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30, | |
5189 | scmd); | |
5190 | if (r == FAILED) | |
5191 | sdev_printk(KERN_WARNING, sdev, "task abort: FAILED " | |
5192 | "scmd(%p)\n", scmd); | |
635374e7 | 5193 | termination_count += le32_to_cpu(mpi_reply->TerminationCount); |
ec07a053 | 5194 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
635374e7 | 5195 | } |
ec07a053 | 5196 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
635374e7 | 5197 | |
eabb08ad | 5198 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT |
635374e7 EM |
5199 | "%s - exit, query_count = %d termination_count = %d\n", |
5200 | ioc->name, __func__, query_count, termination_count)); | |
5201 | } | |
5202 | ||
5203 | /** | |
5204 | * _scsih_sas_discovery_event - handle discovery events | |
5205 | * @ioc: per adapter object | |
7b936b02 | 5206 | * @fw_event: The fw_event_work object |
635374e7 EM |
5207 | * Context: user. |
5208 | * | |
5209 | * Return nothing. | |
5210 | */ | |
5211 | static void | |
7b936b02 KD |
5212 | _scsih_sas_discovery_event(struct MPT2SAS_ADAPTER *ioc, |
5213 | struct fw_event_work *fw_event) | |
635374e7 | 5214 | { |
7b936b02 KD |
5215 | Mpi2EventDataSasDiscovery_t *event_data = fw_event->event_data; |
5216 | ||
635374e7 EM |
5217 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
5218 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) { | |
eabb08ad | 5219 | printk(MPT2SAS_INFO_FMT "discovery event: (%s)", ioc->name, |
635374e7 EM |
5220 | (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ? |
5221 | "start" : "stop"); | |
5222 | if (event_data->DiscoveryStatus) | |
595bb0bd KD |
5223 | printk("discovery_status(0x%08x)", |
5224 | le32_to_cpu(event_data->DiscoveryStatus)); | |
635374e7 EM |
5225 | printk("\n"); |
5226 | } | |
5227 | #endif | |
5228 | ||
5229 | if (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED && | |
5230 | !ioc->sas_hba.num_phys) | |
5231 | _scsih_sas_host_add(ioc); | |
5232 | } | |
5233 | ||
5234 | /** | |
5235 | * _scsih_reprobe_lun - reprobing lun | |
5236 | * @sdev: scsi device struct | |
5237 | * @no_uld_attach: sdev->no_uld_attach flag setting | |
5238 | * | |
5239 | **/ | |
5240 | static void | |
5241 | _scsih_reprobe_lun(struct scsi_device *sdev, void *no_uld_attach) | |
5242 | { | |
5243 | int rc; | |
5244 | ||
5245 | sdev->no_uld_attach = no_uld_attach ? 1 : 0; | |
5246 | sdev_printk(KERN_INFO, sdev, "%s raid component\n", | |
5247 | sdev->no_uld_attach ? "hidding" : "exposing"); | |
5248 | rc = scsi_device_reprobe(sdev); | |
5249 | } | |
5250 | ||
5251 | /** | |
5252 | * _scsih_reprobe_target - reprobing target | |
5253 | * @starget: scsi target struct | |
5254 | * @no_uld_attach: sdev->no_uld_attach flag setting | |
5255 | * | |
5256 | * Note: no_uld_attach flag determines whether the disk device is attached | |
5257 | * to block layer. A value of `1` means to not attach. | |
5258 | **/ | |
5259 | static void | |
5260 | _scsih_reprobe_target(struct scsi_target *starget, int no_uld_attach) | |
5261 | { | |
5262 | struct MPT2SAS_TARGET *sas_target_priv_data = starget->hostdata; | |
5263 | ||
5264 | if (no_uld_attach) | |
5265 | sas_target_priv_data->flags |= MPT_TARGET_FLAGS_RAID_COMPONENT; | |
5266 | else | |
5267 | sas_target_priv_data->flags &= ~MPT_TARGET_FLAGS_RAID_COMPONENT; | |
5268 | ||
5269 | starget_for_each_device(starget, no_uld_attach ? (void *)1 : NULL, | |
5270 | _scsih_reprobe_lun); | |
5271 | } | |
5272 | /** | |
5273 | * _scsih_sas_volume_add - add new volume | |
5274 | * @ioc: per adapter object | |
5275 | * @element: IR config element data | |
5276 | * Context: user. | |
5277 | * | |
5278 | * Return nothing. | |
5279 | */ | |
5280 | static void | |
5281 | _scsih_sas_volume_add(struct MPT2SAS_ADAPTER *ioc, | |
5282 | Mpi2EventIrConfigElement_t *element) | |
5283 | { | |
5284 | struct _raid_device *raid_device; | |
5285 | unsigned long flags; | |
5286 | u64 wwid; | |
5287 | u16 handle = le16_to_cpu(element->VolDevHandle); | |
5288 | int rc; | |
5289 | ||
635374e7 EM |
5290 | mpt2sas_config_get_volume_wwid(ioc, handle, &wwid); |
5291 | if (!wwid) { | |
5292 | printk(MPT2SAS_ERR_FMT | |
5293 | "failure at %s:%d/%s()!\n", ioc->name, | |
5294 | __FILE__, __LINE__, __func__); | |
5295 | return; | |
5296 | } | |
5297 | ||
5298 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
5299 | raid_device = _scsih_raid_device_find_by_wwid(ioc, wwid); | |
5300 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
5301 | ||
5302 | if (raid_device) | |
5303 | return; | |
5304 | ||
5305 | raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL); | |
5306 | if (!raid_device) { | |
5307 | printk(MPT2SAS_ERR_FMT | |
5308 | "failure at %s:%d/%s()!\n", ioc->name, | |
5309 | __FILE__, __LINE__, __func__); | |
5310 | return; | |
5311 | } | |
5312 | ||
5313 | raid_device->id = ioc->sas_id++; | |
5314 | raid_device->channel = RAID_CHANNEL; | |
5315 | raid_device->handle = handle; | |
5316 | raid_device->wwid = wwid; | |
5317 | _scsih_raid_device_add(ioc, raid_device); | |
5318 | if (!ioc->wait_for_port_enable_to_complete) { | |
5319 | rc = scsi_add_device(ioc->shost, RAID_CHANNEL, | |
5320 | raid_device->id, 0); | |
5321 | if (rc) | |
5322 | _scsih_raid_device_remove(ioc, raid_device); | |
5323 | } else | |
5324 | _scsih_determine_boot_device(ioc, raid_device, 1); | |
5325 | } | |
5326 | ||
5327 | /** | |
5328 | * _scsih_sas_volume_delete - delete volume | |
5329 | * @ioc: per adapter object | |
f3eedd69 | 5330 | * @handle: volume device handle |
635374e7 EM |
5331 | * Context: user. |
5332 | * | |
5333 | * Return nothing. | |
5334 | */ | |
5335 | static void | |
f3eedd69 | 5336 | _scsih_sas_volume_delete(struct MPT2SAS_ADAPTER *ioc, u16 handle) |
635374e7 EM |
5337 | { |
5338 | struct _raid_device *raid_device; | |
635374e7 EM |
5339 | unsigned long flags; |
5340 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
5341 | ||
635374e7 EM |
5342 | spin_lock_irqsave(&ioc->raid_device_lock, flags); |
5343 | raid_device = _scsih_raid_device_find_by_handle(ioc, handle); | |
5344 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
5345 | if (!raid_device) | |
5346 | return; | |
5347 | if (raid_device->starget) { | |
5348 | sas_target_priv_data = raid_device->starget->hostdata; | |
5349 | sas_target_priv_data->deleted = 1; | |
5350 | scsi_remove_target(&raid_device->starget->dev); | |
5351 | } | |
f3eedd69 KD |
5352 | printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), wwid" |
5353 | "(0x%016llx)\n", ioc->name, raid_device->handle, | |
5354 | (unsigned long long) raid_device->wwid); | |
635374e7 EM |
5355 | _scsih_raid_device_remove(ioc, raid_device); |
5356 | } | |
5357 | ||
5358 | /** | |
5359 | * _scsih_sas_pd_expose - expose pd component to /dev/sdX | |
5360 | * @ioc: per adapter object | |
5361 | * @element: IR config element data | |
5362 | * Context: user. | |
5363 | * | |
5364 | * Return nothing. | |
5365 | */ | |
5366 | static void | |
5367 | _scsih_sas_pd_expose(struct MPT2SAS_ADAPTER *ioc, | |
5368 | Mpi2EventIrConfigElement_t *element) | |
5369 | { | |
5370 | struct _sas_device *sas_device; | |
5371 | unsigned long flags; | |
5372 | u16 handle = le16_to_cpu(element->PhysDiskDevHandle); | |
5373 | ||
5374 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
5375 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
5376 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
5377 | if (!sas_device) | |
5378 | return; | |
5379 | ||
5380 | /* exposing raid component */ | |
5381 | sas_device->volume_handle = 0; | |
5382 | sas_device->volume_wwid = 0; | |
f3eedd69 | 5383 | clear_bit(handle, ioc->pd_handles); |
635374e7 EM |
5384 | _scsih_reprobe_target(sas_device->starget, 0); |
5385 | } | |
5386 | ||
5387 | /** | |
5388 | * _scsih_sas_pd_hide - hide pd component from /dev/sdX | |
5389 | * @ioc: per adapter object | |
5390 | * @element: IR config element data | |
5391 | * Context: user. | |
5392 | * | |
5393 | * Return nothing. | |
5394 | */ | |
5395 | static void | |
5396 | _scsih_sas_pd_hide(struct MPT2SAS_ADAPTER *ioc, | |
5397 | Mpi2EventIrConfigElement_t *element) | |
5398 | { | |
5399 | struct _sas_device *sas_device; | |
5400 | unsigned long flags; | |
5401 | u16 handle = le16_to_cpu(element->PhysDiskDevHandle); | |
5402 | ||
5403 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
5404 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
5405 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
5406 | if (!sas_device) | |
5407 | return; | |
5408 | ||
5409 | /* hiding raid component */ | |
5410 | mpt2sas_config_get_volume_handle(ioc, handle, | |
5411 | &sas_device->volume_handle); | |
5412 | mpt2sas_config_get_volume_wwid(ioc, sas_device->volume_handle, | |
5413 | &sas_device->volume_wwid); | |
f3eedd69 | 5414 | set_bit(handle, ioc->pd_handles); |
635374e7 EM |
5415 | _scsih_reprobe_target(sas_device->starget, 1); |
5416 | } | |
5417 | ||
5418 | /** | |
5419 | * _scsih_sas_pd_delete - delete pd component | |
5420 | * @ioc: per adapter object | |
5421 | * @element: IR config element data | |
5422 | * Context: user. | |
5423 | * | |
5424 | * Return nothing. | |
5425 | */ | |
5426 | static void | |
5427 | _scsih_sas_pd_delete(struct MPT2SAS_ADAPTER *ioc, | |
5428 | Mpi2EventIrConfigElement_t *element) | |
5429 | { | |
5430 | struct _sas_device *sas_device; | |
5431 | unsigned long flags; | |
5432 | u16 handle = le16_to_cpu(element->PhysDiskDevHandle); | |
5433 | ||
5434 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
5435 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
5436 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
5437 | if (!sas_device) | |
5438 | return; | |
c5e039be | 5439 | _scsih_remove_device(ioc, sas_device); |
635374e7 EM |
5440 | } |
5441 | ||
5442 | /** | |
5443 | * _scsih_sas_pd_add - remove pd component | |
5444 | * @ioc: per adapter object | |
5445 | * @element: IR config element data | |
5446 | * Context: user. | |
5447 | * | |
5448 | * Return nothing. | |
5449 | */ | |
5450 | static void | |
5451 | _scsih_sas_pd_add(struct MPT2SAS_ADAPTER *ioc, | |
5452 | Mpi2EventIrConfigElement_t *element) | |
5453 | { | |
5454 | struct _sas_device *sas_device; | |
5455 | unsigned long flags; | |
5456 | u16 handle = le16_to_cpu(element->PhysDiskDevHandle); | |
62727a7b KD |
5457 | Mpi2ConfigReply_t mpi_reply; |
5458 | Mpi2SasDevicePage0_t sas_device_pg0; | |
5459 | u32 ioc_status; | |
c5e039be KD |
5460 | u64 sas_address; |
5461 | u16 parent_handle; | |
635374e7 | 5462 | |
f3eedd69 KD |
5463 | set_bit(handle, ioc->pd_handles); |
5464 | ||
635374e7 EM |
5465 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
5466 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
5467 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
f3eedd69 | 5468 | if (sas_device) |
62727a7b | 5469 | return; |
62727a7b KD |
5470 | |
5471 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
5472 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { | |
5473 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
5474 | ioc->name, __FILE__, __LINE__, __func__); | |
5475 | return; | |
5476 | } | |
5477 | ||
5478 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
5479 | MPI2_IOCSTATUS_MASK; | |
5480 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
5481 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
5482 | ioc->name, __FILE__, __LINE__, __func__); | |
5483 | return; | |
5484 | } | |
5485 | ||
c5e039be KD |
5486 | parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); |
5487 | if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) | |
5488 | mpt2sas_transport_update_links(ioc, sas_address, handle, | |
5489 | sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5); | |
62727a7b KD |
5490 | |
5491 | _scsih_add_device(ioc, handle, 0, 1); | |
635374e7 EM |
5492 | } |
5493 | ||
5494 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
5495 | /** | |
5496 | * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events | |
5497 | * @ioc: per adapter object | |
5498 | * @event_data: event data payload | |
5499 | * Context: user. | |
5500 | * | |
5501 | * Return nothing. | |
5502 | */ | |
5503 | static void | |
5504 | _scsih_sas_ir_config_change_event_debug(struct MPT2SAS_ADAPTER *ioc, | |
5505 | Mpi2EventDataIrConfigChangeList_t *event_data) | |
5506 | { | |
5507 | Mpi2EventIrConfigElement_t *element; | |
5508 | u8 element_type; | |
5509 | int i; | |
5510 | char *reason_str = NULL, *element_str = NULL; | |
5511 | ||
5512 | element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; | |
5513 | ||
eabb08ad | 5514 | printk(MPT2SAS_INFO_FMT "raid config change: (%s), elements(%d)\n", |
635374e7 EM |
5515 | ioc->name, (le32_to_cpu(event_data->Flags) & |
5516 | MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? | |
5517 | "foreign" : "native", event_data->NumElements); | |
5518 | for (i = 0; i < event_data->NumElements; i++, element++) { | |
5519 | switch (element->ReasonCode) { | |
5520 | case MPI2_EVENT_IR_CHANGE_RC_ADDED: | |
5521 | reason_str = "add"; | |
5522 | break; | |
5523 | case MPI2_EVENT_IR_CHANGE_RC_REMOVED: | |
5524 | reason_str = "remove"; | |
5525 | break; | |
5526 | case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE: | |
5527 | reason_str = "no change"; | |
5528 | break; | |
5529 | case MPI2_EVENT_IR_CHANGE_RC_HIDE: | |
5530 | reason_str = "hide"; | |
5531 | break; | |
5532 | case MPI2_EVENT_IR_CHANGE_RC_UNHIDE: | |
5533 | reason_str = "unhide"; | |
5534 | break; | |
5535 | case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: | |
5536 | reason_str = "volume_created"; | |
5537 | break; | |
5538 | case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: | |
5539 | reason_str = "volume_deleted"; | |
5540 | break; | |
5541 | case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: | |
5542 | reason_str = "pd_created"; | |
5543 | break; | |
5544 | case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: | |
5545 | reason_str = "pd_deleted"; | |
5546 | break; | |
5547 | default: | |
5548 | reason_str = "unknown reason"; | |
5549 | break; | |
5550 | } | |
5551 | element_type = le16_to_cpu(element->ElementFlags) & | |
5552 | MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK; | |
5553 | switch (element_type) { | |
5554 | case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT: | |
5555 | element_str = "volume"; | |
5556 | break; | |
5557 | case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT: | |
5558 | element_str = "phys disk"; | |
5559 | break; | |
5560 | case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT: | |
5561 | element_str = "hot spare"; | |
5562 | break; | |
5563 | default: | |
5564 | element_str = "unknown element"; | |
5565 | break; | |
5566 | } | |
eabb08ad | 5567 | printk(KERN_INFO "\t(%s:%s), vol handle(0x%04x), " |
635374e7 EM |
5568 | "pd handle(0x%04x), pd num(0x%02x)\n", element_str, |
5569 | reason_str, le16_to_cpu(element->VolDevHandle), | |
5570 | le16_to_cpu(element->PhysDiskDevHandle), | |
5571 | element->PhysDiskNum); | |
5572 | } | |
5573 | } | |
5574 | #endif | |
5575 | ||
5576 | /** | |
5577 | * _scsih_sas_ir_config_change_event - handle ir configuration change events | |
5578 | * @ioc: per adapter object | |
7b936b02 | 5579 | * @fw_event: The fw_event_work object |
635374e7 EM |
5580 | * Context: user. |
5581 | * | |
5582 | * Return nothing. | |
5583 | */ | |
5584 | static void | |
7b936b02 KD |
5585 | _scsih_sas_ir_config_change_event(struct MPT2SAS_ADAPTER *ioc, |
5586 | struct fw_event_work *fw_event) | |
635374e7 EM |
5587 | { |
5588 | Mpi2EventIrConfigElement_t *element; | |
5589 | int i; | |
62727a7b | 5590 | u8 foreign_config; |
7b936b02 | 5591 | Mpi2EventDataIrConfigChangeList_t *event_data = fw_event->event_data; |
635374e7 EM |
5592 | |
5593 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
5594 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) | |
5595 | _scsih_sas_ir_config_change_event_debug(ioc, event_data); | |
5596 | ||
5597 | #endif | |
62727a7b KD |
5598 | foreign_config = (le32_to_cpu(event_data->Flags) & |
5599 | MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0; | |
635374e7 EM |
5600 | |
5601 | element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; | |
5602 | for (i = 0; i < event_data->NumElements; i++, element++) { | |
5603 | ||
5604 | switch (element->ReasonCode) { | |
5605 | case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: | |
5606 | case MPI2_EVENT_IR_CHANGE_RC_ADDED: | |
62727a7b KD |
5607 | if (!foreign_config) |
5608 | _scsih_sas_volume_add(ioc, element); | |
635374e7 EM |
5609 | break; |
5610 | case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: | |
5611 | case MPI2_EVENT_IR_CHANGE_RC_REMOVED: | |
62727a7b | 5612 | if (!foreign_config) |
f3eedd69 KD |
5613 | _scsih_sas_volume_delete(ioc, |
5614 | le16_to_cpu(element->VolDevHandle)); | |
635374e7 EM |
5615 | break; |
5616 | case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: | |
5617 | _scsih_sas_pd_hide(ioc, element); | |
5618 | break; | |
5619 | case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: | |
5620 | _scsih_sas_pd_expose(ioc, element); | |
5621 | break; | |
5622 | case MPI2_EVENT_IR_CHANGE_RC_HIDE: | |
5623 | _scsih_sas_pd_add(ioc, element); | |
5624 | break; | |
5625 | case MPI2_EVENT_IR_CHANGE_RC_UNHIDE: | |
5626 | _scsih_sas_pd_delete(ioc, element); | |
5627 | break; | |
5628 | } | |
5629 | } | |
5630 | } | |
5631 | ||
5632 | /** | |
5633 | * _scsih_sas_ir_volume_event - IR volume event | |
5634 | * @ioc: per adapter object | |
7b936b02 | 5635 | * @fw_event: The fw_event_work object |
635374e7 EM |
5636 | * Context: user. |
5637 | * | |
5638 | * Return nothing. | |
5639 | */ | |
5640 | static void | |
7b936b02 KD |
5641 | _scsih_sas_ir_volume_event(struct MPT2SAS_ADAPTER *ioc, |
5642 | struct fw_event_work *fw_event) | |
635374e7 EM |
5643 | { |
5644 | u64 wwid; | |
5645 | unsigned long flags; | |
5646 | struct _raid_device *raid_device; | |
5647 | u16 handle; | |
5648 | u32 state; | |
5649 | int rc; | |
7b936b02 | 5650 | Mpi2EventDataIrVolume_t *event_data = fw_event->event_data; |
635374e7 EM |
5651 | |
5652 | if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED) | |
5653 | return; | |
5654 | ||
5655 | handle = le16_to_cpu(event_data->VolDevHandle); | |
5656 | state = le32_to_cpu(event_data->NewValue); | |
eabb08ad | 5657 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle(0x%04x), " |
635374e7 EM |
5658 | "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle, |
5659 | le32_to_cpu(event_data->PreviousValue), state)); | |
5660 | ||
635374e7 EM |
5661 | switch (state) { |
5662 | case MPI2_RAID_VOL_STATE_MISSING: | |
5663 | case MPI2_RAID_VOL_STATE_FAILED: | |
f3eedd69 | 5664 | _scsih_sas_volume_delete(ioc, handle); |
635374e7 EM |
5665 | break; |
5666 | ||
5667 | case MPI2_RAID_VOL_STATE_ONLINE: | |
5668 | case MPI2_RAID_VOL_STATE_DEGRADED: | |
5669 | case MPI2_RAID_VOL_STATE_OPTIMAL: | |
f3eedd69 KD |
5670 | |
5671 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
5672 | raid_device = _scsih_raid_device_find_by_handle(ioc, handle); | |
5673 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
5674 | ||
635374e7 EM |
5675 | if (raid_device) |
5676 | break; | |
5677 | ||
5678 | mpt2sas_config_get_volume_wwid(ioc, handle, &wwid); | |
5679 | if (!wwid) { | |
5680 | printk(MPT2SAS_ERR_FMT | |
5681 | "failure at %s:%d/%s()!\n", ioc->name, | |
5682 | __FILE__, __LINE__, __func__); | |
5683 | break; | |
5684 | } | |
5685 | ||
5686 | raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL); | |
5687 | if (!raid_device) { | |
5688 | printk(MPT2SAS_ERR_FMT | |
5689 | "failure at %s:%d/%s()!\n", ioc->name, | |
5690 | __FILE__, __LINE__, __func__); | |
5691 | break; | |
5692 | } | |
5693 | ||
5694 | raid_device->id = ioc->sas_id++; | |
5695 | raid_device->channel = RAID_CHANNEL; | |
5696 | raid_device->handle = handle; | |
5697 | raid_device->wwid = wwid; | |
5698 | _scsih_raid_device_add(ioc, raid_device); | |
5699 | rc = scsi_add_device(ioc->shost, RAID_CHANNEL, | |
5700 | raid_device->id, 0); | |
5701 | if (rc) | |
5702 | _scsih_raid_device_remove(ioc, raid_device); | |
5703 | break; | |
5704 | ||
5705 | case MPI2_RAID_VOL_STATE_INITIALIZING: | |
5706 | default: | |
5707 | break; | |
5708 | } | |
5709 | } | |
5710 | ||
5711 | /** | |
5712 | * _scsih_sas_ir_physical_disk_event - PD event | |
5713 | * @ioc: per adapter object | |
7b936b02 | 5714 | * @fw_event: The fw_event_work object |
635374e7 EM |
5715 | * Context: user. |
5716 | * | |
5717 | * Return nothing. | |
5718 | */ | |
5719 | static void | |
7b936b02 KD |
5720 | _scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER *ioc, |
5721 | struct fw_event_work *fw_event) | |
635374e7 | 5722 | { |
c5e039be | 5723 | u16 handle, parent_handle; |
635374e7 EM |
5724 | u32 state; |
5725 | struct _sas_device *sas_device; | |
5726 | unsigned long flags; | |
62727a7b KD |
5727 | Mpi2ConfigReply_t mpi_reply; |
5728 | Mpi2SasDevicePage0_t sas_device_pg0; | |
5729 | u32 ioc_status; | |
7b936b02 | 5730 | Mpi2EventDataIrPhysicalDisk_t *event_data = fw_event->event_data; |
c5e039be | 5731 | u64 sas_address; |
635374e7 EM |
5732 | |
5733 | if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED) | |
5734 | return; | |
5735 | ||
5736 | handle = le16_to_cpu(event_data->PhysDiskDevHandle); | |
5737 | state = le32_to_cpu(event_data->NewValue); | |
5738 | ||
eabb08ad | 5739 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle(0x%04x), " |
635374e7 EM |
5740 | "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle, |
5741 | le32_to_cpu(event_data->PreviousValue), state)); | |
5742 | ||
635374e7 | 5743 | switch (state) { |
635374e7 EM |
5744 | case MPI2_RAID_PD_STATE_ONLINE: |
5745 | case MPI2_RAID_PD_STATE_DEGRADED: | |
5746 | case MPI2_RAID_PD_STATE_REBUILDING: | |
5747 | case MPI2_RAID_PD_STATE_OPTIMAL: | |
f3eedd69 KD |
5748 | case MPI2_RAID_PD_STATE_HOT_SPARE: |
5749 | ||
5750 | set_bit(handle, ioc->pd_handles); | |
5751 | ||
5752 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
5753 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
5754 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
5755 | ||
5756 | if (sas_device) | |
62727a7b | 5757 | return; |
62727a7b KD |
5758 | |
5759 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, | |
5760 | &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, | |
5761 | handle))) { | |
5762 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
5763 | ioc->name, __FILE__, __LINE__, __func__); | |
5764 | return; | |
5765 | } | |
5766 | ||
5767 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
5768 | MPI2_IOCSTATUS_MASK; | |
5769 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
5770 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
5771 | ioc->name, __FILE__, __LINE__, __func__); | |
5772 | return; | |
5773 | } | |
5774 | ||
c5e039be KD |
5775 | parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); |
5776 | if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) | |
5777 | mpt2sas_transport_update_links(ioc, sas_address, handle, | |
5778 | sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5); | |
62727a7b KD |
5779 | |
5780 | _scsih_add_device(ioc, handle, 0, 1); | |
5781 | ||
635374e7 EM |
5782 | break; |
5783 | ||
62727a7b | 5784 | case MPI2_RAID_PD_STATE_OFFLINE: |
635374e7 EM |
5785 | case MPI2_RAID_PD_STATE_NOT_CONFIGURED: |
5786 | case MPI2_RAID_PD_STATE_NOT_COMPATIBLE: | |
635374e7 EM |
5787 | default: |
5788 | break; | |
5789 | } | |
5790 | } | |
5791 | ||
5792 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
5793 | /** | |
5794 | * _scsih_sas_ir_operation_status_event_debug - debug for IR op event | |
5795 | * @ioc: per adapter object | |
5796 | * @event_data: event data payload | |
5797 | * Context: user. | |
5798 | * | |
5799 | * Return nothing. | |
5800 | */ | |
5801 | static void | |
5802 | _scsih_sas_ir_operation_status_event_debug(struct MPT2SAS_ADAPTER *ioc, | |
5803 | Mpi2EventDataIrOperationStatus_t *event_data) | |
5804 | { | |
5805 | char *reason_str = NULL; | |
5806 | ||
5807 | switch (event_data->RAIDOperation) { | |
5808 | case MPI2_EVENT_IR_RAIDOP_RESYNC: | |
5809 | reason_str = "resync"; | |
5810 | break; | |
5811 | case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION: | |
5812 | reason_str = "online capacity expansion"; | |
5813 | break; | |
5814 | case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK: | |
5815 | reason_str = "consistency check"; | |
5816 | break; | |
ec6c2b43 KD |
5817 | case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT: |
5818 | reason_str = "background init"; | |
5819 | break; | |
5820 | case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT: | |
5821 | reason_str = "make data consistent"; | |
635374e7 EM |
5822 | break; |
5823 | } | |
5824 | ||
ec6c2b43 KD |
5825 | if (!reason_str) |
5826 | return; | |
5827 | ||
635374e7 EM |
5828 | printk(MPT2SAS_INFO_FMT "raid operational status: (%s)" |
5829 | "\thandle(0x%04x), percent complete(%d)\n", | |
5830 | ioc->name, reason_str, | |
5831 | le16_to_cpu(event_data->VolDevHandle), | |
5832 | event_data->PercentComplete); | |
5833 | } | |
5834 | #endif | |
5835 | ||
5836 | /** | |
5837 | * _scsih_sas_ir_operation_status_event - handle RAID operation events | |
5838 | * @ioc: per adapter object | |
7b936b02 | 5839 | * @fw_event: The fw_event_work object |
635374e7 EM |
5840 | * Context: user. |
5841 | * | |
5842 | * Return nothing. | |
5843 | */ | |
5844 | static void | |
7b936b02 KD |
5845 | _scsih_sas_ir_operation_status_event(struct MPT2SAS_ADAPTER *ioc, |
5846 | struct fw_event_work *fw_event) | |
635374e7 | 5847 | { |
f7c95ef0 KD |
5848 | Mpi2EventDataIrOperationStatus_t *event_data = fw_event->event_data; |
5849 | static struct _raid_device *raid_device; | |
5850 | unsigned long flags; | |
5851 | u16 handle; | |
5852 | ||
635374e7 EM |
5853 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
5854 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) | |
7b936b02 | 5855 | _scsih_sas_ir_operation_status_event_debug(ioc, |
f7c95ef0 | 5856 | event_data); |
635374e7 | 5857 | #endif |
f7c95ef0 KD |
5858 | |
5859 | /* code added for raid transport support */ | |
5860 | if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) { | |
5861 | ||
5862 | handle = le16_to_cpu(event_data->VolDevHandle); | |
5863 | ||
5864 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
5865 | raid_device = _scsih_raid_device_find_by_handle(ioc, handle); | |
5866 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
5867 | ||
5868 | if (!raid_device) | |
5869 | return; | |
5870 | ||
5871 | if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) | |
5872 | raid_device->percent_complete = | |
5873 | event_data->PercentComplete; | |
5874 | } | |
635374e7 EM |
5875 | } |
5876 | ||
14695853 KD |
5877 | /** |
5878 | * _scsih_prep_device_scan - initialize parameters prior to device scan | |
5879 | * @ioc: per adapter object | |
5880 | * | |
5881 | * Set the deleted flag prior to device scan. If the device is found during | |
5882 | * the scan, then we clear the deleted flag. | |
5883 | */ | |
5884 | static void | |
5885 | _scsih_prep_device_scan(struct MPT2SAS_ADAPTER *ioc) | |
5886 | { | |
5887 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
5888 | struct scsi_device *sdev; | |
5889 | ||
5890 | shost_for_each_device(sdev, ioc->shost) { | |
5891 | sas_device_priv_data = sdev->hostdata; | |
5892 | if (sas_device_priv_data && sas_device_priv_data->sas_target) | |
5893 | sas_device_priv_data->sas_target->deleted = 1; | |
5894 | } | |
5895 | } | |
5896 | ||
635374e7 EM |
5897 | /** |
5898 | * _scsih_mark_responding_sas_device - mark a sas_devices as responding | |
5899 | * @ioc: per adapter object | |
5900 | * @sas_address: sas address | |
5901 | * @slot: enclosure slot id | |
5902 | * @handle: device handle | |
5903 | * | |
5904 | * After host reset, find out whether devices are still responding. | |
5905 | * Used in _scsi_remove_unresponsive_sas_devices. | |
5906 | * | |
5907 | * Return nothing. | |
5908 | */ | |
5909 | static void | |
5910 | _scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, | |
5911 | u16 slot, u16 handle) | |
5912 | { | |
5913 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
5914 | struct scsi_target *starget; | |
5915 | struct _sas_device *sas_device; | |
5916 | unsigned long flags; | |
5917 | ||
5918 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
5919 | list_for_each_entry(sas_device, &ioc->sas_device_list, list) { | |
5920 | if (sas_device->sas_address == sas_address && | |
5921 | sas_device->slot == slot && sas_device->starget) { | |
5922 | sas_device->responding = 1; | |
77e63ed4 | 5923 | starget = sas_device->starget; |
14695853 KD |
5924 | if (starget && starget->hostdata) { |
5925 | sas_target_priv_data = starget->hostdata; | |
5926 | sas_target_priv_data->tm_busy = 0; | |
5927 | sas_target_priv_data->deleted = 0; | |
5928 | } else | |
5929 | sas_target_priv_data = NULL; | |
635374e7 EM |
5930 | starget_printk(KERN_INFO, sas_device->starget, |
5931 | "handle(0x%04x), sas_addr(0x%016llx), enclosure " | |
5932 | "logical id(0x%016llx), slot(%d)\n", handle, | |
5933 | (unsigned long long)sas_device->sas_address, | |
5934 | (unsigned long long) | |
5935 | sas_device->enclosure_logical_id, | |
5936 | sas_device->slot); | |
5937 | if (sas_device->handle == handle) | |
5938 | goto out; | |
5939 | printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n", | |
5940 | sas_device->handle); | |
5941 | sas_device->handle = handle; | |
14695853 KD |
5942 | if (sas_target_priv_data) |
5943 | sas_target_priv_data->handle = handle; | |
635374e7 EM |
5944 | goto out; |
5945 | } | |
5946 | } | |
5947 | out: | |
5948 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
5949 | } | |
5950 | ||
5951 | /** | |
5952 | * _scsih_search_responding_sas_devices - | |
5953 | * @ioc: per adapter object | |
5954 | * | |
5955 | * After host reset, find out whether devices are still responding. | |
5956 | * If not remove. | |
5957 | * | |
5958 | * Return nothing. | |
5959 | */ | |
5960 | static void | |
5961 | _scsih_search_responding_sas_devices(struct MPT2SAS_ADAPTER *ioc) | |
5962 | { | |
5963 | Mpi2SasDevicePage0_t sas_device_pg0; | |
5964 | Mpi2ConfigReply_t mpi_reply; | |
5965 | u16 ioc_status; | |
5966 | __le64 sas_address; | |
5967 | u16 handle; | |
5968 | u32 device_info; | |
5969 | u16 slot; | |
5970 | ||
5971 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__); | |
5972 | ||
5973 | if (list_empty(&ioc->sas_device_list)) | |
5974 | return; | |
5975 | ||
5976 | handle = 0xFFFF; | |
5977 | while (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, | |
5978 | &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, | |
5979 | handle))) { | |
5980 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
5981 | MPI2_IOCSTATUS_MASK; | |
5982 | if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) | |
5983 | break; | |
5984 | handle = le16_to_cpu(sas_device_pg0.DevHandle); | |
5985 | device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); | |
5986 | if (!(_scsih_is_end_device(device_info))) | |
5987 | continue; | |
5988 | sas_address = le64_to_cpu(sas_device_pg0.SASAddress); | |
5989 | slot = le16_to_cpu(sas_device_pg0.Slot); | |
5990 | _scsih_mark_responding_sas_device(ioc, sas_address, slot, | |
5991 | handle); | |
5992 | } | |
5993 | } | |
5994 | ||
5995 | /** | |
5996 | * _scsih_mark_responding_raid_device - mark a raid_device as responding | |
5997 | * @ioc: per adapter object | |
5998 | * @wwid: world wide identifier for raid volume | |
5999 | * @handle: device handle | |
6000 | * | |
6001 | * After host reset, find out whether devices are still responding. | |
6002 | * Used in _scsi_remove_unresponsive_raid_devices. | |
6003 | * | |
6004 | * Return nothing. | |
6005 | */ | |
6006 | static void | |
6007 | _scsih_mark_responding_raid_device(struct MPT2SAS_ADAPTER *ioc, u64 wwid, | |
6008 | u16 handle) | |
6009 | { | |
6010 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
6011 | struct scsi_target *starget; | |
6012 | struct _raid_device *raid_device; | |
6013 | unsigned long flags; | |
6014 | ||
6015 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
6016 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { | |
6017 | if (raid_device->wwid == wwid && raid_device->starget) { | |
14695853 KD |
6018 | starget = raid_device->starget; |
6019 | if (starget && starget->hostdata) { | |
6020 | sas_target_priv_data = starget->hostdata; | |
6021 | sas_target_priv_data->deleted = 0; | |
6022 | } else | |
6023 | sas_target_priv_data = NULL; | |
635374e7 EM |
6024 | raid_device->responding = 1; |
6025 | starget_printk(KERN_INFO, raid_device->starget, | |
6026 | "handle(0x%04x), wwid(0x%016llx)\n", handle, | |
6027 | (unsigned long long)raid_device->wwid); | |
6028 | if (raid_device->handle == handle) | |
6029 | goto out; | |
6030 | printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n", | |
6031 | raid_device->handle); | |
6032 | raid_device->handle = handle; | |
14695853 KD |
6033 | if (sas_target_priv_data) |
6034 | sas_target_priv_data->handle = handle; | |
635374e7 EM |
6035 | goto out; |
6036 | } | |
6037 | } | |
6038 | out: | |
6039 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
6040 | } | |
6041 | ||
6042 | /** | |
6043 | * _scsih_search_responding_raid_devices - | |
6044 | * @ioc: per adapter object | |
6045 | * | |
6046 | * After host reset, find out whether devices are still responding. | |
6047 | * If not remove. | |
6048 | * | |
6049 | * Return nothing. | |
6050 | */ | |
6051 | static void | |
6052 | _scsih_search_responding_raid_devices(struct MPT2SAS_ADAPTER *ioc) | |
6053 | { | |
6054 | Mpi2RaidVolPage1_t volume_pg1; | |
d417d1c3 | 6055 | Mpi2RaidVolPage0_t volume_pg0; |
f3eedd69 | 6056 | Mpi2RaidPhysDiskPage0_t pd_pg0; |
635374e7 EM |
6057 | Mpi2ConfigReply_t mpi_reply; |
6058 | u16 ioc_status; | |
6059 | u16 handle; | |
f3eedd69 | 6060 | u8 phys_disk_num; |
635374e7 EM |
6061 | |
6062 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__); | |
6063 | ||
6064 | if (list_empty(&ioc->raid_device_list)) | |
6065 | return; | |
6066 | ||
6067 | handle = 0xFFFF; | |
6068 | while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply, | |
6069 | &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) { | |
6070 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
6071 | MPI2_IOCSTATUS_MASK; | |
6072 | if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) | |
6073 | break; | |
6074 | handle = le16_to_cpu(volume_pg1.DevHandle); | |
d417d1c3 KD |
6075 | |
6076 | if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, | |
6077 | &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle, | |
6078 | sizeof(Mpi2RaidVolPage0_t))) | |
6079 | continue; | |
6080 | ||
6081 | if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL || | |
6082 | volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE || | |
6083 | volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED) | |
6084 | _scsih_mark_responding_raid_device(ioc, | |
6085 | le64_to_cpu(volume_pg1.WWID), handle); | |
635374e7 | 6086 | } |
f3eedd69 KD |
6087 | |
6088 | /* refresh the pd_handles */ | |
6089 | phys_disk_num = 0xFF; | |
6090 | memset(ioc->pd_handles, 0, ioc->pd_handles_sz); | |
6091 | while (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply, | |
6092 | &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM, | |
6093 | phys_disk_num))) { | |
6094 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
6095 | MPI2_IOCSTATUS_MASK; | |
6096 | if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) | |
6097 | break; | |
6098 | phys_disk_num = pd_pg0.PhysDiskNum; | |
6099 | handle = le16_to_cpu(pd_pg0.DevHandle); | |
6100 | set_bit(handle, ioc->pd_handles); | |
6101 | } | |
635374e7 EM |
6102 | } |
6103 | ||
6104 | /** | |
6105 | * _scsih_mark_responding_expander - mark a expander as responding | |
6106 | * @ioc: per adapter object | |
6107 | * @sas_address: sas address | |
6108 | * @handle: | |
6109 | * | |
6110 | * After host reset, find out whether devices are still responding. | |
6111 | * Used in _scsi_remove_unresponsive_expanders. | |
6112 | * | |
6113 | * Return nothing. | |
6114 | */ | |
6115 | static void | |
6116 | _scsih_mark_responding_expander(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, | |
6117 | u16 handle) | |
6118 | { | |
6119 | struct _sas_node *sas_expander; | |
6120 | unsigned long flags; | |
c5e039be | 6121 | int i; |
635374e7 EM |
6122 | |
6123 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
6124 | list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { | |
c5e039be KD |
6125 | if (sas_expander->sas_address != sas_address) |
6126 | continue; | |
6127 | sas_expander->responding = 1; | |
6128 | if (sas_expander->handle == handle) | |
635374e7 | 6129 | goto out; |
c5e039be KD |
6130 | printk(KERN_INFO "\texpander(0x%016llx): handle changed" |
6131 | " from(0x%04x) to (0x%04x)!!!\n", | |
6132 | (unsigned long long)sas_expander->sas_address, | |
6133 | sas_expander->handle, handle); | |
6134 | sas_expander->handle = handle; | |
6135 | for (i = 0 ; i < sas_expander->num_phys ; i++) | |
6136 | sas_expander->phy[i].handle = handle; | |
6137 | goto out; | |
635374e7 EM |
6138 | } |
6139 | out: | |
6140 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
6141 | } | |
6142 | ||
6143 | /** | |
6144 | * _scsih_search_responding_expanders - | |
6145 | * @ioc: per adapter object | |
6146 | * | |
6147 | * After host reset, find out whether devices are still responding. | |
6148 | * If not remove. | |
6149 | * | |
6150 | * Return nothing. | |
6151 | */ | |
6152 | static void | |
6153 | _scsih_search_responding_expanders(struct MPT2SAS_ADAPTER *ioc) | |
6154 | { | |
6155 | Mpi2ExpanderPage0_t expander_pg0; | |
6156 | Mpi2ConfigReply_t mpi_reply; | |
6157 | u16 ioc_status; | |
6158 | __le64 sas_address; | |
6159 | u16 handle; | |
6160 | ||
6161 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__); | |
6162 | ||
6163 | if (list_empty(&ioc->sas_expander_list)) | |
6164 | return; | |
6165 | ||
6166 | handle = 0xFFFF; | |
6167 | while (!(mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, | |
6168 | MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) { | |
6169 | ||
6170 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
6171 | MPI2_IOCSTATUS_MASK; | |
6172 | if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) | |
6173 | break; | |
6174 | ||
6175 | handle = le16_to_cpu(expander_pg0.DevHandle); | |
6176 | sas_address = le64_to_cpu(expander_pg0.SASAddress); | |
6177 | printk(KERN_INFO "\texpander present: handle(0x%04x), " | |
6178 | "sas_addr(0x%016llx)\n", handle, | |
6179 | (unsigned long long)sas_address); | |
6180 | _scsih_mark_responding_expander(ioc, sas_address, handle); | |
6181 | } | |
6182 | ||
6183 | } | |
6184 | ||
6185 | /** | |
f1c35e6a | 6186 | * _scsih_remove_unresponding_sas_devices - removing unresponding devices |
635374e7 EM |
6187 | * @ioc: per adapter object |
6188 | * | |
6189 | * Return nothing. | |
6190 | */ | |
6191 | static void | |
f1c35e6a | 6192 | _scsih_remove_unresponding_sas_devices(struct MPT2SAS_ADAPTER *ioc) |
635374e7 EM |
6193 | { |
6194 | struct _sas_device *sas_device, *sas_device_next; | |
cd4e12e8 | 6195 | struct _sas_node *sas_expander; |
635374e7 | 6196 | struct _raid_device *raid_device, *raid_device_next; |
635374e7 | 6197 | |
635374e7 EM |
6198 | |
6199 | list_for_each_entry_safe(sas_device, sas_device_next, | |
6200 | &ioc->sas_device_list, list) { | |
6201 | if (sas_device->responding) { | |
6202 | sas_device->responding = 0; | |
6203 | continue; | |
6204 | } | |
6205 | if (sas_device->starget) | |
6206 | starget_printk(KERN_INFO, sas_device->starget, | |
6207 | "removing: handle(0x%04x), sas_addr(0x%016llx), " | |
6208 | "enclosure logical id(0x%016llx), slot(%d)\n", | |
6209 | sas_device->handle, | |
6210 | (unsigned long long)sas_device->sas_address, | |
6211 | (unsigned long long) | |
6212 | sas_device->enclosure_logical_id, | |
6213 | sas_device->slot); | |
c5e039be | 6214 | _scsih_remove_device(ioc, sas_device); |
635374e7 EM |
6215 | } |
6216 | ||
6217 | list_for_each_entry_safe(raid_device, raid_device_next, | |
6218 | &ioc->raid_device_list, list) { | |
6219 | if (raid_device->responding) { | |
6220 | raid_device->responding = 0; | |
6221 | continue; | |
6222 | } | |
6223 | if (raid_device->starget) { | |
6224 | starget_printk(KERN_INFO, raid_device->starget, | |
6225 | "removing: handle(0x%04x), wwid(0x%016llx)\n", | |
6226 | raid_device->handle, | |
6227 | (unsigned long long)raid_device->wwid); | |
6228 | scsi_remove_target(&raid_device->starget->dev); | |
6229 | } | |
6230 | _scsih_raid_device_remove(ioc, raid_device); | |
6231 | } | |
6232 | ||
cd4e12e8 KD |
6233 | retry_expander_search: |
6234 | sas_expander = NULL; | |
6235 | list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { | |
635374e7 EM |
6236 | if (sas_expander->responding) { |
6237 | sas_expander->responding = 0; | |
6238 | continue; | |
6239 | } | |
7f6f794d | 6240 | mpt2sas_expander_remove(ioc, sas_expander->sas_address); |
cd4e12e8 KD |
6241 | goto retry_expander_search; |
6242 | } | |
6243 | } | |
6244 | ||
6245 | /** | |
6246 | * mpt2sas_scsih_reset_handler - reset callback handler (for scsih) | |
6247 | * @ioc: per adapter object | |
6248 | * @reset_phase: phase | |
6249 | * | |
6250 | * The handler for doing any required cleanup or initialization. | |
6251 | * | |
6252 | * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET, | |
6253 | * MPT2_IOC_DONE_RESET | |
6254 | * | |
6255 | * Return nothing. | |
6256 | */ | |
6257 | void | |
6258 | mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) | |
6259 | { | |
6260 | switch (reset_phase) { | |
6261 | case MPT2_IOC_PRE_RESET: | |
eabb08ad | 6262 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
cd4e12e8 | 6263 | "MPT2_IOC_PRE_RESET\n", ioc->name, __func__)); |
cd4e12e8 KD |
6264 | break; |
6265 | case MPT2_IOC_AFTER_RESET: | |
eabb08ad | 6266 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
cd4e12e8 | 6267 | "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__)); |
f1c35e6a KD |
6268 | if (ioc->scsih_cmds.status & MPT2_CMD_PENDING) { |
6269 | ioc->scsih_cmds.status |= MPT2_CMD_RESET; | |
6270 | mpt2sas_base_free_smid(ioc, ioc->scsih_cmds.smid); | |
6271 | complete(&ioc->scsih_cmds.done); | |
6272 | } | |
cd4e12e8 KD |
6273 | if (ioc->tm_cmds.status & MPT2_CMD_PENDING) { |
6274 | ioc->tm_cmds.status |= MPT2_CMD_RESET; | |
6275 | mpt2sas_base_free_smid(ioc, ioc->tm_cmds.smid); | |
6276 | complete(&ioc->tm_cmds.done); | |
6277 | } | |
f1c35e6a | 6278 | _scsih_fw_event_cleanup_queue(ioc); |
cd4e12e8 | 6279 | _scsih_flush_running_cmds(ioc); |
f1c35e6a | 6280 | _scsih_queue_rescan(ioc); |
cd4e12e8 KD |
6281 | break; |
6282 | case MPT2_IOC_DONE_RESET: | |
eabb08ad | 6283 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
cd4e12e8 | 6284 | "MPT2_IOC_DONE_RESET\n", ioc->name, __func__)); |
c5e039be | 6285 | _scsih_sas_host_refresh(ioc); |
14695853 KD |
6286 | _scsih_prep_device_scan(ioc); |
6287 | _scsih_search_responding_sas_devices(ioc); | |
6288 | _scsih_search_responding_raid_devices(ioc); | |
6289 | _scsih_search_responding_expanders(ioc); | |
cd4e12e8 | 6290 | break; |
635374e7 EM |
6291 | } |
6292 | } | |
6293 | ||
6294 | /** | |
6295 | * _firmware_event_work - delayed task for processing firmware events | |
6296 | * @ioc: per adapter object | |
6297 | * @work: equal to the fw_event_work object | |
6298 | * Context: user. | |
6299 | * | |
6300 | * Return nothing. | |
6301 | */ | |
6302 | static void | |
6303 | _firmware_event_work(struct work_struct *work) | |
6304 | { | |
6305 | struct fw_event_work *fw_event = container_of(work, | |
f1c35e6a | 6306 | struct fw_event_work, delayed_work.work); |
635374e7 EM |
6307 | unsigned long flags; |
6308 | struct MPT2SAS_ADAPTER *ioc = fw_event->ioc; | |
6309 | ||
635374e7 | 6310 | /* the queue is being flushed so ignore this event */ |
3cb5469a EM |
6311 | if (ioc->remove_host || fw_event->cancel_pending_work || |
6312 | ioc->pci_error_recovery) { | |
635374e7 EM |
6313 | _scsih_fw_event_free(ioc, fw_event); |
6314 | return; | |
6315 | } | |
635374e7 | 6316 | |
f1c35e6a KD |
6317 | if (fw_event->event == MPT2SAS_RESCAN_AFTER_HOST_RESET) { |
6318 | _scsih_fw_event_free(ioc, fw_event); | |
6319 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
6320 | if (ioc->shost_recovery) { | |
6321 | init_completion(&ioc->shost_recovery_done); | |
6322 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, | |
6323 | flags); | |
6324 | wait_for_completion(&ioc->shost_recovery_done); | |
6325 | } else | |
6326 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, | |
6327 | flags); | |
f1c35e6a | 6328 | _scsih_remove_unresponding_sas_devices(ioc); |
635374e7 EM |
6329 | return; |
6330 | } | |
635374e7 EM |
6331 | |
6332 | switch (fw_event->event) { | |
6333 | case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: | |
7b936b02 | 6334 | _scsih_sas_topology_change_event(ioc, fw_event); |
635374e7 EM |
6335 | break; |
6336 | case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: | |
7b936b02 KD |
6337 | _scsih_sas_device_status_change_event(ioc, |
6338 | fw_event); | |
635374e7 EM |
6339 | break; |
6340 | case MPI2_EVENT_SAS_DISCOVERY: | |
7b936b02 KD |
6341 | _scsih_sas_discovery_event(ioc, |
6342 | fw_event); | |
635374e7 EM |
6343 | break; |
6344 | case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: | |
7b936b02 KD |
6345 | _scsih_sas_broadcast_primative_event(ioc, |
6346 | fw_event); | |
635374e7 EM |
6347 | break; |
6348 | case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: | |
6349 | _scsih_sas_enclosure_dev_status_change_event(ioc, | |
7b936b02 | 6350 | fw_event); |
635374e7 EM |
6351 | break; |
6352 | case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: | |
7b936b02 | 6353 | _scsih_sas_ir_config_change_event(ioc, fw_event); |
635374e7 EM |
6354 | break; |
6355 | case MPI2_EVENT_IR_VOLUME: | |
7b936b02 | 6356 | _scsih_sas_ir_volume_event(ioc, fw_event); |
635374e7 EM |
6357 | break; |
6358 | case MPI2_EVENT_IR_PHYSICAL_DISK: | |
7b936b02 | 6359 | _scsih_sas_ir_physical_disk_event(ioc, fw_event); |
635374e7 EM |
6360 | break; |
6361 | case MPI2_EVENT_IR_OPERATION_STATUS: | |
7b936b02 | 6362 | _scsih_sas_ir_operation_status_event(ioc, fw_event); |
635374e7 | 6363 | break; |
635374e7 EM |
6364 | } |
6365 | _scsih_fw_event_free(ioc, fw_event); | |
6366 | } | |
6367 | ||
6368 | /** | |
6369 | * mpt2sas_scsih_event_callback - firmware event handler (called at ISR time) | |
6370 | * @ioc: per adapter object | |
7b936b02 | 6371 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
6372 | * @reply: reply message frame(lower 32bit addr) |
6373 | * Context: interrupt. | |
6374 | * | |
6375 | * This function merely adds a new work task into ioc->firmware_event_thread. | |
6376 | * The tasks are worked from _firmware_event_work in user context. | |
6377 | * | |
77e63ed4 KD |
6378 | * Return 1 meaning mf should be freed from _base_interrupt |
6379 | * 0 means the mf is freed from this function. | |
635374e7 | 6380 | */ |
77e63ed4 | 6381 | u8 |
7b936b02 KD |
6382 | mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, |
6383 | u32 reply) | |
635374e7 EM |
6384 | { |
6385 | struct fw_event_work *fw_event; | |
6386 | Mpi2EventNotificationReply_t *mpi_reply; | |
635374e7 | 6387 | u16 event; |
e94f6747 | 6388 | u16 sz; |
635374e7 EM |
6389 | |
6390 | /* events turned off due to host reset or driver unloading */ | |
3cb5469a | 6391 | if (ioc->remove_host || ioc->pci_error_recovery) |
77e63ed4 | 6392 | return 1; |
635374e7 | 6393 | |
77e63ed4 | 6394 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); |
635374e7 EM |
6395 | event = le16_to_cpu(mpi_reply->Event); |
6396 | ||
6397 | switch (event) { | |
6398 | /* handle these */ | |
6399 | case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: | |
6400 | { | |
6401 | Mpi2EventDataSasBroadcastPrimitive_t *baen_data = | |
6402 | (Mpi2EventDataSasBroadcastPrimitive_t *) | |
6403 | mpi_reply->EventData; | |
6404 | ||
6405 | if (baen_data->Primitive != | |
6406 | MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT || | |
6407 | ioc->broadcast_aen_busy) | |
77e63ed4 | 6408 | return 1; |
635374e7 EM |
6409 | ioc->broadcast_aen_busy = 1; |
6410 | break; | |
6411 | } | |
6412 | ||
6413 | case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: | |
6414 | _scsih_check_topo_delete_events(ioc, | |
6415 | (Mpi2EventDataSasTopologyChangeList_t *) | |
6416 | mpi_reply->EventData); | |
6417 | break; | |
f3eedd69 KD |
6418 | case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: |
6419 | _scsih_check_ir_config_unhide_events(ioc, | |
6420 | (Mpi2EventDataIrConfigChangeList_t *) | |
6421 | mpi_reply->EventData); | |
6422 | break; | |
6423 | case MPI2_EVENT_IR_VOLUME: | |
6424 | _scsih_check_volume_delete_events(ioc, | |
6425 | (Mpi2EventDataIrVolume_t *) | |
6426 | mpi_reply->EventData); | |
6427 | break; | |
635374e7 EM |
6428 | case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: |
6429 | case MPI2_EVENT_IR_OPERATION_STATUS: | |
6430 | case MPI2_EVENT_SAS_DISCOVERY: | |
6431 | case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: | |
635374e7 | 6432 | case MPI2_EVENT_IR_PHYSICAL_DISK: |
635374e7 EM |
6433 | break; |
6434 | ||
6435 | default: /* ignore the rest */ | |
77e63ed4 | 6436 | return 1; |
635374e7 EM |
6437 | } |
6438 | ||
6439 | fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC); | |
6440 | if (!fw_event) { | |
6441 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
6442 | ioc->name, __FILE__, __LINE__, __func__); | |
77e63ed4 | 6443 | return 1; |
635374e7 | 6444 | } |
e94f6747 KD |
6445 | sz = le16_to_cpu(mpi_reply->EventDataLength) * 4; |
6446 | fw_event->event_data = kzalloc(sz, GFP_ATOMIC); | |
635374e7 EM |
6447 | if (!fw_event->event_data) { |
6448 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
6449 | ioc->name, __FILE__, __LINE__, __func__); | |
6450 | kfree(fw_event); | |
77e63ed4 | 6451 | return 1; |
635374e7 EM |
6452 | } |
6453 | ||
6454 | memcpy(fw_event->event_data, mpi_reply->EventData, | |
e94f6747 | 6455 | sz); |
635374e7 | 6456 | fw_event->ioc = ioc; |
7b936b02 KD |
6457 | fw_event->VF_ID = mpi_reply->VF_ID; |
6458 | fw_event->VP_ID = mpi_reply->VP_ID; | |
635374e7 EM |
6459 | fw_event->event = event; |
6460 | _scsih_fw_event_add(ioc, fw_event); | |
77e63ed4 | 6461 | return 1; |
635374e7 EM |
6462 | } |
6463 | ||
6464 | /* shost template */ | |
6465 | static struct scsi_host_template scsih_driver_template = { | |
6466 | .module = THIS_MODULE, | |
6467 | .name = "Fusion MPT SAS Host", | |
6468 | .proc_name = MPT2SAS_DRIVER_NAME, | |
d5d135b3 EM |
6469 | .queuecommand = _scsih_qcmd, |
6470 | .target_alloc = _scsih_target_alloc, | |
6471 | .slave_alloc = _scsih_slave_alloc, | |
6472 | .slave_configure = _scsih_slave_configure, | |
6473 | .target_destroy = _scsih_target_destroy, | |
6474 | .slave_destroy = _scsih_slave_destroy, | |
6475 | .change_queue_depth = _scsih_change_queue_depth, | |
6476 | .change_queue_type = _scsih_change_queue_type, | |
6477 | .eh_abort_handler = _scsih_abort, | |
6478 | .eh_device_reset_handler = _scsih_dev_reset, | |
6479 | .eh_target_reset_handler = _scsih_target_reset, | |
6480 | .eh_host_reset_handler = _scsih_host_reset, | |
6481 | .bios_param = _scsih_bios_param, | |
635374e7 EM |
6482 | .can_queue = 1, |
6483 | .this_id = -1, | |
6484 | .sg_tablesize = MPT2SAS_SG_DEPTH, | |
6485 | .max_sectors = 8192, | |
6486 | .cmd_per_lun = 7, | |
6487 | .use_clustering = ENABLE_CLUSTERING, | |
6488 | .shost_attrs = mpt2sas_host_attrs, | |
6489 | .sdev_attrs = mpt2sas_dev_attrs, | |
6490 | }; | |
6491 | ||
6492 | /** | |
6493 | * _scsih_expander_node_remove - removing expander device from list. | |
6494 | * @ioc: per adapter object | |
6495 | * @sas_expander: the sas_device object | |
6496 | * Context: Calling function should acquire ioc->sas_node_lock. | |
6497 | * | |
6498 | * Removing object and freeing associated memory from the | |
6499 | * ioc->sas_expander_list. | |
6500 | * | |
6501 | * Return nothing. | |
6502 | */ | |
6503 | static void | |
6504 | _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc, | |
6505 | struct _sas_node *sas_expander) | |
6506 | { | |
7f6f794d | 6507 | struct _sas_port *mpt2sas_port, *next; |
635374e7 EM |
6508 | |
6509 | /* remove sibling ports attached to this expander */ | |
7f6f794d | 6510 | list_for_each_entry_safe(mpt2sas_port, next, |
635374e7 | 6511 | &sas_expander->sas_port_list, port_list) { |
7f6f794d KD |
6512 | if (ioc->shost_recovery) |
6513 | return; | |
635374e7 | 6514 | if (mpt2sas_port->remote_identify.device_type == |
7f6f794d KD |
6515 | SAS_END_DEVICE) |
6516 | mpt2sas_device_remove(ioc, | |
6517 | mpt2sas_port->remote_identify.sas_address); | |
6518 | else if (mpt2sas_port->remote_identify.device_type == | |
6519 | SAS_EDGE_EXPANDER_DEVICE || | |
635374e7 | 6520 | mpt2sas_port->remote_identify.device_type == |
7f6f794d KD |
6521 | SAS_FANOUT_EXPANDER_DEVICE) |
6522 | mpt2sas_expander_remove(ioc, | |
6523 | mpt2sas_port->remote_identify.sas_address); | |
635374e7 EM |
6524 | } |
6525 | ||
6526 | mpt2sas_transport_port_remove(ioc, sas_expander->sas_address, | |
c5e039be | 6527 | sas_expander->sas_address_parent); |
635374e7 EM |
6528 | |
6529 | printk(MPT2SAS_INFO_FMT "expander_remove: handle" | |
6530 | "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, | |
6531 | sas_expander->handle, (unsigned long long) | |
6532 | sas_expander->sas_address); | |
6533 | ||
635374e7 EM |
6534 | kfree(sas_expander->phy); |
6535 | kfree(sas_expander); | |
6536 | } | |
6537 | ||
744090d3 KD |
6538 | /** |
6539 | * _scsih_ir_shutdown - IR shutdown notification | |
6540 | * @ioc: per adapter object | |
6541 | * | |
6542 | * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that | |
6543 | * the host system is shutting down. | |
6544 | * | |
6545 | * Return nothing. | |
6546 | */ | |
6547 | static void | |
6548 | _scsih_ir_shutdown(struct MPT2SAS_ADAPTER *ioc) | |
6549 | { | |
6550 | Mpi2RaidActionRequest_t *mpi_request; | |
6551 | Mpi2RaidActionReply_t *mpi_reply; | |
6552 | u16 smid; | |
6553 | ||
6554 | /* is IR firmware build loaded ? */ | |
6555 | if (!ioc->ir_firmware) | |
6556 | return; | |
6557 | ||
6558 | /* are there any volumes ? */ | |
6559 | if (list_empty(&ioc->raid_device_list)) | |
6560 | return; | |
6561 | ||
6562 | mutex_lock(&ioc->scsih_cmds.mutex); | |
6563 | ||
6564 | if (ioc->scsih_cmds.status != MPT2_CMD_NOT_USED) { | |
6565 | printk(MPT2SAS_ERR_FMT "%s: scsih_cmd in use\n", | |
6566 | ioc->name, __func__); | |
6567 | goto out; | |
6568 | } | |
6569 | ioc->scsih_cmds.status = MPT2_CMD_PENDING; | |
6570 | ||
6571 | smid = mpt2sas_base_get_smid(ioc, ioc->scsih_cb_idx); | |
6572 | if (!smid) { | |
6573 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
6574 | ioc->name, __func__); | |
6575 | ioc->scsih_cmds.status = MPT2_CMD_NOT_USED; | |
6576 | goto out; | |
6577 | } | |
6578 | ||
6579 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
6580 | ioc->scsih_cmds.smid = smid; | |
6581 | memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t)); | |
6582 | ||
6583 | mpi_request->Function = MPI2_FUNCTION_RAID_ACTION; | |
6584 | mpi_request->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED; | |
6585 | ||
6586 | printk(MPT2SAS_INFO_FMT "IR shutdown (sending)\n", ioc->name); | |
6587 | init_completion(&ioc->scsih_cmds.done); | |
6588 | mpt2sas_base_put_smid_default(ioc, smid); | |
6589 | wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ); | |
6590 | ||
6591 | if (!(ioc->scsih_cmds.status & MPT2_CMD_COMPLETE)) { | |
6592 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
6593 | ioc->name, __func__); | |
6594 | goto out; | |
6595 | } | |
6596 | ||
6597 | if (ioc->scsih_cmds.status & MPT2_CMD_REPLY_VALID) { | |
6598 | mpi_reply = ioc->scsih_cmds.reply; | |
6599 | ||
6600 | printk(MPT2SAS_INFO_FMT "IR shutdown (complete): " | |
6601 | "ioc_status(0x%04x), loginfo(0x%08x)\n", | |
6602 | ioc->name, le16_to_cpu(mpi_reply->IOCStatus), | |
6603 | le32_to_cpu(mpi_reply->IOCLogInfo)); | |
6604 | } | |
6605 | ||
6606 | out: | |
6607 | ioc->scsih_cmds.status = MPT2_CMD_NOT_USED; | |
6608 | mutex_unlock(&ioc->scsih_cmds.mutex); | |
6609 | } | |
6610 | ||
6611 | /** | |
6612 | * _scsih_shutdown - routine call during system shutdown | |
6613 | * @pdev: PCI device struct | |
6614 | * | |
6615 | * Return nothing. | |
6616 | */ | |
6617 | static void | |
6618 | _scsih_shutdown(struct pci_dev *pdev) | |
6619 | { | |
6620 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
6621 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
f1c35e6a KD |
6622 | struct workqueue_struct *wq; |
6623 | unsigned long flags; | |
6624 | ||
6625 | ioc->remove_host = 1; | |
6626 | _scsih_fw_event_cleanup_queue(ioc); | |
6627 | ||
6628 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
6629 | wq = ioc->firmware_event_thread; | |
6630 | ioc->firmware_event_thread = NULL; | |
6631 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
6632 | if (wq) | |
6633 | destroy_workqueue(wq); | |
744090d3 KD |
6634 | |
6635 | _scsih_ir_shutdown(ioc); | |
6636 | mpt2sas_base_detach(ioc); | |
6637 | } | |
6638 | ||
635374e7 | 6639 | /** |
d5d135b3 | 6640 | * _scsih_remove - detach and remove add host |
635374e7 EM |
6641 | * @pdev: PCI device struct |
6642 | * | |
744090d3 | 6643 | * Routine called when unloading the driver. |
635374e7 EM |
6644 | * Return nothing. |
6645 | */ | |
6646 | static void __devexit | |
d5d135b3 | 6647 | _scsih_remove(struct pci_dev *pdev) |
635374e7 EM |
6648 | { |
6649 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
6650 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
7f6f794d | 6651 | struct _sas_port *mpt2sas_port, *next_port; |
d7384b28 KD |
6652 | struct _raid_device *raid_device, *next; |
6653 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
635374e7 EM |
6654 | struct workqueue_struct *wq; |
6655 | unsigned long flags; | |
6656 | ||
6657 | ioc->remove_host = 1; | |
f1c35e6a | 6658 | _scsih_fw_event_cleanup_queue(ioc); |
635374e7 EM |
6659 | |
6660 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
6661 | wq = ioc->firmware_event_thread; | |
6662 | ioc->firmware_event_thread = NULL; | |
6663 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
6664 | if (wq) | |
6665 | destroy_workqueue(wq); | |
6666 | ||
d7384b28 | 6667 | /* release all the volumes */ |
3a9c913a | 6668 | _scsih_ir_shutdown(ioc); |
d7384b28 KD |
6669 | list_for_each_entry_safe(raid_device, next, &ioc->raid_device_list, |
6670 | list) { | |
6671 | if (raid_device->starget) { | |
6672 | sas_target_priv_data = | |
6673 | raid_device->starget->hostdata; | |
6674 | sas_target_priv_data->deleted = 1; | |
6675 | scsi_remove_target(&raid_device->starget->dev); | |
6676 | } | |
6677 | printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), wwid" | |
6678 | "(0x%016llx)\n", ioc->name, raid_device->handle, | |
6679 | (unsigned long long) raid_device->wwid); | |
6680 | _scsih_raid_device_remove(ioc, raid_device); | |
6681 | } | |
6682 | ||
635374e7 | 6683 | /* free ports attached to the sas_host */ |
7f6f794d | 6684 | list_for_each_entry_safe(mpt2sas_port, next_port, |
635374e7 EM |
6685 | &ioc->sas_hba.sas_port_list, port_list) { |
6686 | if (mpt2sas_port->remote_identify.device_type == | |
7f6f794d KD |
6687 | SAS_END_DEVICE) |
6688 | mpt2sas_device_remove(ioc, | |
6689 | mpt2sas_port->remote_identify.sas_address); | |
6690 | else if (mpt2sas_port->remote_identify.device_type == | |
6691 | SAS_EDGE_EXPANDER_DEVICE || | |
6692 | mpt2sas_port->remote_identify.device_type == | |
6693 | SAS_FANOUT_EXPANDER_DEVICE) | |
6694 | mpt2sas_expander_remove(ioc, | |
635374e7 | 6695 | mpt2sas_port->remote_identify.sas_address); |
635374e7 EM |
6696 | } |
6697 | ||
6698 | /* free phys attached to the sas_host */ | |
6699 | if (ioc->sas_hba.num_phys) { | |
6700 | kfree(ioc->sas_hba.phy); | |
6701 | ioc->sas_hba.phy = NULL; | |
6702 | ioc->sas_hba.num_phys = 0; | |
6703 | } | |
6704 | ||
6705 | sas_remove_host(shost); | |
744090d3 | 6706 | _scsih_shutdown(pdev); |
635374e7 EM |
6707 | list_del(&ioc->list); |
6708 | scsi_remove_host(shost); | |
6709 | scsi_host_put(shost); | |
6710 | } | |
6711 | ||
6712 | /** | |
6713 | * _scsih_probe_boot_devices - reports 1st device | |
6714 | * @ioc: per adapter object | |
6715 | * | |
6716 | * If specified in bios page 2, this routine reports the 1st | |
6717 | * device scsi-ml or sas transport for persistent boot device | |
6718 | * purposes. Please refer to function _scsih_determine_boot_device() | |
6719 | */ | |
6720 | static void | |
6721 | _scsih_probe_boot_devices(struct MPT2SAS_ADAPTER *ioc) | |
6722 | { | |
6723 | u8 is_raid; | |
6724 | void *device; | |
6725 | struct _sas_device *sas_device; | |
6726 | struct _raid_device *raid_device; | |
c5e039be KD |
6727 | u16 handle; |
6728 | u64 sas_address_parent; | |
635374e7 EM |
6729 | u64 sas_address; |
6730 | unsigned long flags; | |
6731 | int rc; | |
6732 | ||
6733 | device = NULL; | |
6734 | if (ioc->req_boot_device.device) { | |
6735 | device = ioc->req_boot_device.device; | |
6736 | is_raid = ioc->req_boot_device.is_raid; | |
6737 | } else if (ioc->req_alt_boot_device.device) { | |
6738 | device = ioc->req_alt_boot_device.device; | |
6739 | is_raid = ioc->req_alt_boot_device.is_raid; | |
6740 | } else if (ioc->current_boot_device.device) { | |
6741 | device = ioc->current_boot_device.device; | |
6742 | is_raid = ioc->current_boot_device.is_raid; | |
6743 | } | |
6744 | ||
6745 | if (!device) | |
6746 | return; | |
6747 | ||
6748 | if (is_raid) { | |
6749 | raid_device = device; | |
6750 | rc = scsi_add_device(ioc->shost, RAID_CHANNEL, | |
6751 | raid_device->id, 0); | |
6752 | if (rc) | |
6753 | _scsih_raid_device_remove(ioc, raid_device); | |
6754 | } else { | |
6755 | sas_device = device; | |
6756 | handle = sas_device->handle; | |
c5e039be | 6757 | sas_address_parent = sas_device->sas_address_parent; |
635374e7 EM |
6758 | sas_address = sas_device->sas_address; |
6759 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
6760 | list_move_tail(&sas_device->list, &ioc->sas_device_list); | |
6761 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
6762 | if (!mpt2sas_transport_port_add(ioc, sas_device->handle, | |
c5e039be | 6763 | sas_device->sas_address_parent)) { |
635374e7 EM |
6764 | _scsih_sas_device_remove(ioc, sas_device); |
6765 | } else if (!sas_device->starget) { | |
6766 | mpt2sas_transport_port_remove(ioc, sas_address, | |
c5e039be | 6767 | sas_address_parent); |
635374e7 EM |
6768 | _scsih_sas_device_remove(ioc, sas_device); |
6769 | } | |
6770 | } | |
6771 | } | |
6772 | ||
6773 | /** | |
6774 | * _scsih_probe_raid - reporting raid volumes to scsi-ml | |
6775 | * @ioc: per adapter object | |
6776 | * | |
6777 | * Called during initial loading of the driver. | |
6778 | */ | |
6779 | static void | |
6780 | _scsih_probe_raid(struct MPT2SAS_ADAPTER *ioc) | |
6781 | { | |
6782 | struct _raid_device *raid_device, *raid_next; | |
6783 | int rc; | |
6784 | ||
6785 | list_for_each_entry_safe(raid_device, raid_next, | |
6786 | &ioc->raid_device_list, list) { | |
6787 | if (raid_device->starget) | |
6788 | continue; | |
6789 | rc = scsi_add_device(ioc->shost, RAID_CHANNEL, | |
6790 | raid_device->id, 0); | |
6791 | if (rc) | |
6792 | _scsih_raid_device_remove(ioc, raid_device); | |
6793 | } | |
6794 | } | |
6795 | ||
6796 | /** | |
77e63ed4 | 6797 | * _scsih_probe_sas - reporting sas devices to sas transport |
635374e7 EM |
6798 | * @ioc: per adapter object |
6799 | * | |
6800 | * Called during initial loading of the driver. | |
6801 | */ | |
6802 | static void | |
6803 | _scsih_probe_sas(struct MPT2SAS_ADAPTER *ioc) | |
6804 | { | |
6805 | struct _sas_device *sas_device, *next; | |
6806 | unsigned long flags; | |
635374e7 EM |
6807 | |
6808 | /* SAS Device List */ | |
6809 | list_for_each_entry_safe(sas_device, next, &ioc->sas_device_init_list, | |
6810 | list) { | |
6811 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
6812 | list_move_tail(&sas_device->list, &ioc->sas_device_list); | |
6813 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
6814 | ||
c5e039be KD |
6815 | if (!mpt2sas_transport_port_add(ioc, sas_device->handle, |
6816 | sas_device->sas_address_parent)) { | |
635374e7 EM |
6817 | _scsih_sas_device_remove(ioc, sas_device); |
6818 | } else if (!sas_device->starget) { | |
c5e039be KD |
6819 | mpt2sas_transport_port_remove(ioc, |
6820 | sas_device->sas_address, | |
6821 | sas_device->sas_address_parent); | |
635374e7 EM |
6822 | _scsih_sas_device_remove(ioc, sas_device); |
6823 | } | |
6824 | } | |
6825 | } | |
6826 | ||
6827 | /** | |
6828 | * _scsih_probe_devices - probing for devices | |
6829 | * @ioc: per adapter object | |
6830 | * | |
6831 | * Called during initial loading of the driver. | |
6832 | */ | |
6833 | static void | |
6834 | _scsih_probe_devices(struct MPT2SAS_ADAPTER *ioc) | |
6835 | { | |
6836 | u16 volume_mapping_flags = | |
6837 | le16_to_cpu(ioc->ioc_pg8.IRVolumeMappingFlags) & | |
6838 | MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; | |
6839 | ||
6840 | if (!(ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR)) | |
6841 | return; /* return when IOC doesn't support initiator mode */ | |
6842 | ||
6843 | _scsih_probe_boot_devices(ioc); | |
6844 | ||
6845 | if (ioc->ir_firmware) { | |
6846 | if ((volume_mapping_flags & | |
6847 | MPI2_IOCPAGE8_IRFLAGS_HIGH_VOLUME_MAPPING)) { | |
6848 | _scsih_probe_sas(ioc); | |
6849 | _scsih_probe_raid(ioc); | |
6850 | } else { | |
6851 | _scsih_probe_raid(ioc); | |
6852 | _scsih_probe_sas(ioc); | |
6853 | } | |
6854 | } else | |
6855 | _scsih_probe_sas(ioc); | |
6856 | } | |
6857 | ||
6858 | /** | |
d5d135b3 | 6859 | * _scsih_probe - attach and add scsi host |
635374e7 EM |
6860 | * @pdev: PCI device struct |
6861 | * @id: pci device id | |
6862 | * | |
6863 | * Returns 0 success, anything else error. | |
6864 | */ | |
6865 | static int | |
d5d135b3 | 6866 | _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) |
635374e7 EM |
6867 | { |
6868 | struct MPT2SAS_ADAPTER *ioc; | |
6869 | struct Scsi_Host *shost; | |
6870 | ||
6871 | shost = scsi_host_alloc(&scsih_driver_template, | |
6872 | sizeof(struct MPT2SAS_ADAPTER)); | |
6873 | if (!shost) | |
6874 | return -ENODEV; | |
6875 | ||
6876 | /* init local params */ | |
6877 | ioc = shost_priv(shost); | |
6878 | memset(ioc, 0, sizeof(struct MPT2SAS_ADAPTER)); | |
6879 | INIT_LIST_HEAD(&ioc->list); | |
ba33fadf | 6880 | list_add_tail(&ioc->list, &mpt2sas_ioc_list); |
635374e7 EM |
6881 | ioc->shost = shost; |
6882 | ioc->id = mpt_ids++; | |
6883 | sprintf(ioc->name, "%s%d", MPT2SAS_DRIVER_NAME, ioc->id); | |
6884 | ioc->pdev = pdev; | |
6885 | ioc->scsi_io_cb_idx = scsi_io_cb_idx; | |
6886 | ioc->tm_cb_idx = tm_cb_idx; | |
6887 | ioc->ctl_cb_idx = ctl_cb_idx; | |
6888 | ioc->base_cb_idx = base_cb_idx; | |
6889 | ioc->transport_cb_idx = transport_cb_idx; | |
744090d3 | 6890 | ioc->scsih_cb_idx = scsih_cb_idx; |
635374e7 | 6891 | ioc->config_cb_idx = config_cb_idx; |
77e63ed4 | 6892 | ioc->tm_tr_cb_idx = tm_tr_cb_idx; |
f3eedd69 | 6893 | ioc->tm_tr_volume_cb_idx = tm_tr_volume_cb_idx; |
77e63ed4 | 6894 | ioc->tm_sas_control_cb_idx = tm_sas_control_cb_idx; |
635374e7 EM |
6895 | ioc->logging_level = logging_level; |
6896 | /* misc semaphores and spin locks */ | |
d274213a | 6897 | mutex_init(&ioc->reset_in_progress_mutex); |
635374e7 EM |
6898 | spin_lock_init(&ioc->ioc_reset_in_progress_lock); |
6899 | spin_lock_init(&ioc->scsi_lookup_lock); | |
6900 | spin_lock_init(&ioc->sas_device_lock); | |
6901 | spin_lock_init(&ioc->sas_node_lock); | |
6902 | spin_lock_init(&ioc->fw_event_lock); | |
6903 | spin_lock_init(&ioc->raid_device_lock); | |
6904 | ||
6905 | INIT_LIST_HEAD(&ioc->sas_device_list); | |
6906 | INIT_LIST_HEAD(&ioc->sas_device_init_list); | |
6907 | INIT_LIST_HEAD(&ioc->sas_expander_list); | |
6908 | INIT_LIST_HEAD(&ioc->fw_event_list); | |
6909 | INIT_LIST_HEAD(&ioc->raid_device_list); | |
6910 | INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list); | |
77e63ed4 | 6911 | INIT_LIST_HEAD(&ioc->delayed_tr_list); |
f3eedd69 | 6912 | INIT_LIST_HEAD(&ioc->delayed_tr_volume_list); |
635374e7 EM |
6913 | |
6914 | /* init shost parameters */ | |
d334aa79 | 6915 | shost->max_cmd_len = 32; |
635374e7 EM |
6916 | shost->max_lun = max_lun; |
6917 | shost->transportt = mpt2sas_transport_template; | |
6918 | shost->unique_id = ioc->id; | |
6919 | ||
6920 | if ((scsi_add_host(shost, &pdev->dev))) { | |
6921 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
6922 | ioc->name, __FILE__, __LINE__, __func__); | |
6923 | list_del(&ioc->list); | |
6924 | goto out_add_shost_fail; | |
6925 | } | |
6926 | ||
3c621b3e | 6927 | scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION |
d334aa79 | 6928 | | SHOST_DIF_TYPE2_PROTECTION | SHOST_DIF_TYPE3_PROTECTION); |
77e63ed4 | 6929 | scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC); |
3c621b3e | 6930 | |
635374e7 EM |
6931 | /* event thread */ |
6932 | snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name), | |
6933 | "fw_event%d", ioc->id); | |
6934 | ioc->firmware_event_thread = create_singlethread_workqueue( | |
6935 | ioc->firmware_event_name); | |
6936 | if (!ioc->firmware_event_thread) { | |
6937 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
6938 | ioc->name, __FILE__, __LINE__, __func__); | |
6939 | goto out_thread_fail; | |
6940 | } | |
6941 | ||
6942 | ioc->wait_for_port_enable_to_complete = 1; | |
6943 | if ((mpt2sas_base_attach(ioc))) { | |
6944 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
6945 | ioc->name, __FILE__, __LINE__, __func__); | |
6946 | goto out_attach_fail; | |
6947 | } | |
6948 | ||
6949 | ioc->wait_for_port_enable_to_complete = 0; | |
6950 | _scsih_probe_devices(ioc); | |
6951 | return 0; | |
6952 | ||
6953 | out_attach_fail: | |
6954 | destroy_workqueue(ioc->firmware_event_thread); | |
6955 | out_thread_fail: | |
6956 | list_del(&ioc->list); | |
6957 | scsi_remove_host(shost); | |
6958 | out_add_shost_fail: | |
6959 | return -ENODEV; | |
6960 | } | |
6961 | ||
6962 | #ifdef CONFIG_PM | |
6963 | /** | |
d5d135b3 | 6964 | * _scsih_suspend - power management suspend main entry point |
635374e7 EM |
6965 | * @pdev: PCI device struct |
6966 | * @state: PM state change to (usually PCI_D3) | |
6967 | * | |
6968 | * Returns 0 success, anything else error. | |
6969 | */ | |
6970 | static int | |
d5d135b3 | 6971 | _scsih_suspend(struct pci_dev *pdev, pm_message_t state) |
635374e7 EM |
6972 | { |
6973 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
6974 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
6975 | u32 device_state; | |
6976 | ||
e4750c98 | 6977 | mpt2sas_base_stop_watchdog(ioc); |
635374e7 EM |
6978 | scsi_block_requests(shost); |
6979 | device_state = pci_choose_state(pdev, state); | |
6980 | printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, entering " | |
6981 | "operating state [D%d]\n", ioc->name, pdev, | |
6982 | pci_name(pdev), device_state); | |
6983 | ||
6984 | mpt2sas_base_free_resources(ioc); | |
6985 | pci_save_state(pdev); | |
6986 | pci_disable_device(pdev); | |
6987 | pci_set_power_state(pdev, device_state); | |
6988 | return 0; | |
6989 | } | |
6990 | ||
6991 | /** | |
d5d135b3 | 6992 | * _scsih_resume - power management resume main entry point |
635374e7 EM |
6993 | * @pdev: PCI device struct |
6994 | * | |
6995 | * Returns 0 success, anything else error. | |
6996 | */ | |
6997 | static int | |
d5d135b3 | 6998 | _scsih_resume(struct pci_dev *pdev) |
635374e7 EM |
6999 | { |
7000 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7001 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
7002 | u32 device_state = pdev->current_state; | |
7003 | int r; | |
7004 | ||
7005 | printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, previous " | |
7006 | "operating state [D%d]\n", ioc->name, pdev, | |
7007 | pci_name(pdev), device_state); | |
7008 | ||
7009 | pci_set_power_state(pdev, PCI_D0); | |
7010 | pci_enable_wake(pdev, PCI_D0, 0); | |
7011 | pci_restore_state(pdev); | |
7012 | ioc->pdev = pdev; | |
7013 | r = mpt2sas_base_map_resources(ioc); | |
7014 | if (r) | |
7015 | return r; | |
7016 | ||
7017 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, SOFT_RESET); | |
7018 | scsi_unblock_requests(shost); | |
e4750c98 | 7019 | mpt2sas_base_start_watchdog(ioc); |
635374e7 EM |
7020 | return 0; |
7021 | } | |
7022 | #endif /* CONFIG_PM */ | |
7023 | ||
ef7c80c1 KD |
7024 | /** |
7025 | * _scsih_pci_error_detected - Called when a PCI error is detected. | |
7026 | * @pdev: PCI device struct | |
7027 | * @state: PCI channel state | |
7028 | * | |
7029 | * Description: Called when a PCI error is detected. | |
7030 | * | |
7031 | * Return value: | |
7032 | * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT | |
7033 | */ | |
7034 | static pci_ers_result_t | |
7035 | _scsih_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) | |
7036 | { | |
7037 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7038 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
7039 | ||
7040 | printk(MPT2SAS_INFO_FMT "PCI error: detected callback, state(%d)!!\n", | |
7041 | ioc->name, state); | |
7042 | ||
7043 | switch (state) { | |
7044 | case pci_channel_io_normal: | |
7045 | return PCI_ERS_RESULT_CAN_RECOVER; | |
7046 | case pci_channel_io_frozen: | |
3cb5469a EM |
7047 | /* Fatal error, prepare for slot reset */ |
7048 | ioc->pci_error_recovery = 1; | |
ef7c80c1 KD |
7049 | scsi_block_requests(ioc->shost); |
7050 | mpt2sas_base_stop_watchdog(ioc); | |
7051 | mpt2sas_base_free_resources(ioc); | |
7052 | return PCI_ERS_RESULT_NEED_RESET; | |
7053 | case pci_channel_io_perm_failure: | |
3cb5469a EM |
7054 | /* Permanent error, prepare for device removal */ |
7055 | ioc->pci_error_recovery = 1; | |
7056 | mpt2sas_base_stop_watchdog(ioc); | |
7057 | _scsih_flush_running_cmds(ioc); | |
ef7c80c1 KD |
7058 | return PCI_ERS_RESULT_DISCONNECT; |
7059 | } | |
7060 | return PCI_ERS_RESULT_NEED_RESET; | |
7061 | } | |
7062 | ||
7063 | /** | |
7064 | * _scsih_pci_slot_reset - Called when PCI slot has been reset. | |
7065 | * @pdev: PCI device struct | |
7066 | * | |
7067 | * Description: This routine is called by the pci error recovery | |
7068 | * code after the PCI slot has been reset, just before we | |
7069 | * should resume normal operations. | |
7070 | */ | |
7071 | static pci_ers_result_t | |
7072 | _scsih_pci_slot_reset(struct pci_dev *pdev) | |
7073 | { | |
7074 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7075 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
7076 | int rc; | |
7077 | ||
7078 | printk(MPT2SAS_INFO_FMT "PCI error: slot reset callback!!\n", | |
7079 | ioc->name); | |
7080 | ||
3cb5469a | 7081 | ioc->pci_error_recovery = 0; |
ef7c80c1 | 7082 | ioc->pdev = pdev; |
3cb5469a | 7083 | pci_restore_state(pdev); |
ef7c80c1 KD |
7084 | rc = mpt2sas_base_map_resources(ioc); |
7085 | if (rc) | |
7086 | return PCI_ERS_RESULT_DISCONNECT; | |
7087 | ||
7088 | ||
7089 | rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
7090 | FORCE_BIG_HAMMER); | |
7091 | ||
7092 | printk(MPT2SAS_WARN_FMT "hard reset: %s\n", ioc->name, | |
7093 | (rc == 0) ? "success" : "failed"); | |
7094 | ||
7095 | if (!rc) | |
7096 | return PCI_ERS_RESULT_RECOVERED; | |
7097 | else | |
7098 | return PCI_ERS_RESULT_DISCONNECT; | |
7099 | } | |
7100 | ||
7101 | /** | |
7102 | * _scsih_pci_resume() - resume normal ops after PCI reset | |
7103 | * @pdev: pointer to PCI device | |
7104 | * | |
7105 | * Called when the error recovery driver tells us that its | |
7106 | * OK to resume normal operation. Use completion to allow | |
7107 | * halted scsi ops to resume. | |
7108 | */ | |
7109 | static void | |
7110 | _scsih_pci_resume(struct pci_dev *pdev) | |
7111 | { | |
7112 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7113 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
7114 | ||
7115 | printk(MPT2SAS_INFO_FMT "PCI error: resume callback!!\n", ioc->name); | |
7116 | ||
7117 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
7118 | mpt2sas_base_start_watchdog(ioc); | |
7119 | scsi_unblock_requests(ioc->shost); | |
7120 | } | |
7121 | ||
7122 | /** | |
7123 | * _scsih_pci_mmio_enabled - Enable MMIO and dump debug registers | |
7124 | * @pdev: pointer to PCI device | |
7125 | */ | |
7126 | static pci_ers_result_t | |
7127 | _scsih_pci_mmio_enabled(struct pci_dev *pdev) | |
7128 | { | |
7129 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7130 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
7131 | ||
7132 | printk(MPT2SAS_INFO_FMT "PCI error: mmio enabled callback!!\n", | |
7133 | ioc->name); | |
7134 | ||
7135 | /* TODO - dump whatever for debugging purposes */ | |
7136 | ||
7137 | /* Request a slot reset. */ | |
7138 | return PCI_ERS_RESULT_NEED_RESET; | |
7139 | } | |
7140 | ||
7141 | static struct pci_error_handlers _scsih_err_handler = { | |
7142 | .error_detected = _scsih_pci_error_detected, | |
7143 | .mmio_enabled = _scsih_pci_mmio_enabled, | |
7144 | .slot_reset = _scsih_pci_slot_reset, | |
7145 | .resume = _scsih_pci_resume, | |
7146 | }; | |
635374e7 EM |
7147 | |
7148 | static struct pci_driver scsih_driver = { | |
7149 | .name = MPT2SAS_DRIVER_NAME, | |
7150 | .id_table = scsih_pci_table, | |
d5d135b3 EM |
7151 | .probe = _scsih_probe, |
7152 | .remove = __devexit_p(_scsih_remove), | |
744090d3 | 7153 | .shutdown = _scsih_shutdown, |
ef7c80c1 | 7154 | .err_handler = &_scsih_err_handler, |
635374e7 | 7155 | #ifdef CONFIG_PM |
d5d135b3 EM |
7156 | .suspend = _scsih_suspend, |
7157 | .resume = _scsih_resume, | |
635374e7 EM |
7158 | #endif |
7159 | }; | |
7160 | ||
f7c95ef0 KD |
7161 | /* raid transport support */ |
7162 | static struct raid_function_template mpt2sas_raid_functions = { | |
7163 | .cookie = &scsih_driver_template, | |
7164 | .is_raid = _scsih_is_raid, | |
7165 | .get_resync = _scsih_get_resync, | |
7166 | .get_state = _scsih_get_state, | |
7167 | }; | |
635374e7 EM |
7168 | |
7169 | /** | |
d5d135b3 | 7170 | * _scsih_init - main entry point for this driver. |
635374e7 EM |
7171 | * |
7172 | * Returns 0 success, anything else error. | |
7173 | */ | |
7174 | static int __init | |
d5d135b3 | 7175 | _scsih_init(void) |
635374e7 EM |
7176 | { |
7177 | int error; | |
7178 | ||
7179 | mpt_ids = 0; | |
7180 | printk(KERN_INFO "%s version %s loaded\n", MPT2SAS_DRIVER_NAME, | |
7181 | MPT2SAS_DRIVER_VERSION); | |
7182 | ||
7183 | mpt2sas_transport_template = | |
7184 | sas_attach_transport(&mpt2sas_transport_functions); | |
7185 | if (!mpt2sas_transport_template) | |
7186 | return -ENODEV; | |
f7c95ef0 KD |
7187 | /* raid transport support */ |
7188 | mpt2sas_raid_template = raid_class_attach(&mpt2sas_raid_functions); | |
7189 | if (!mpt2sas_raid_template) { | |
7190 | sas_release_transport(mpt2sas_transport_template); | |
7191 | return -ENODEV; | |
7192 | } | |
635374e7 EM |
7193 | |
7194 | mpt2sas_base_initialize_callback_handler(); | |
7195 | ||
7196 | /* queuecommand callback hander */ | |
d5d135b3 | 7197 | scsi_io_cb_idx = mpt2sas_base_register_callback_handler(_scsih_io_done); |
635374e7 | 7198 | |
65155b37 | 7199 | /* task management callback handler */ |
d5d135b3 | 7200 | tm_cb_idx = mpt2sas_base_register_callback_handler(_scsih_tm_done); |
635374e7 EM |
7201 | |
7202 | /* base internal commands callback handler */ | |
7203 | base_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_base_done); | |
7204 | ||
7205 | /* transport internal commands callback handler */ | |
7206 | transport_cb_idx = mpt2sas_base_register_callback_handler( | |
7207 | mpt2sas_transport_done); | |
7208 | ||
744090d3 KD |
7209 | /* scsih internal commands callback handler */ |
7210 | scsih_cb_idx = mpt2sas_base_register_callback_handler(_scsih_done); | |
7211 | ||
635374e7 EM |
7212 | /* configuration page API internal commands callback handler */ |
7213 | config_cb_idx = mpt2sas_base_register_callback_handler( | |
7214 | mpt2sas_config_done); | |
7215 | ||
7216 | /* ctl module callback handler */ | |
7217 | ctl_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_ctl_done); | |
7218 | ||
77e63ed4 KD |
7219 | tm_tr_cb_idx = mpt2sas_base_register_callback_handler( |
7220 | _scsih_tm_tr_complete); | |
f3eedd69 KD |
7221 | |
7222 | tm_tr_volume_cb_idx = mpt2sas_base_register_callback_handler( | |
7223 | _scsih_tm_volume_tr_complete); | |
7224 | ||
77e63ed4 KD |
7225 | tm_sas_control_cb_idx = mpt2sas_base_register_callback_handler( |
7226 | _scsih_sas_control_complete); | |
7227 | ||
635374e7 EM |
7228 | mpt2sas_ctl_init(); |
7229 | ||
7230 | error = pci_register_driver(&scsih_driver); | |
f7c95ef0 KD |
7231 | if (error) { |
7232 | /* raid transport support */ | |
7233 | raid_class_release(mpt2sas_raid_template); | |
635374e7 | 7234 | sas_release_transport(mpt2sas_transport_template); |
f7c95ef0 | 7235 | } |
635374e7 EM |
7236 | |
7237 | return error; | |
7238 | } | |
7239 | ||
7240 | /** | |
d5d135b3 | 7241 | * _scsih_exit - exit point for this driver (when it is a module). |
635374e7 EM |
7242 | * |
7243 | * Returns 0 success, anything else error. | |
7244 | */ | |
7245 | static void __exit | |
d5d135b3 | 7246 | _scsih_exit(void) |
635374e7 EM |
7247 | { |
7248 | printk(KERN_INFO "mpt2sas version %s unloading\n", | |
7249 | MPT2SAS_DRIVER_VERSION); | |
7250 | ||
7251 | pci_unregister_driver(&scsih_driver); | |
7252 | ||
f7c95ef0 KD |
7253 | mpt2sas_ctl_exit(); |
7254 | ||
635374e7 EM |
7255 | mpt2sas_base_release_callback_handler(scsi_io_cb_idx); |
7256 | mpt2sas_base_release_callback_handler(tm_cb_idx); | |
7257 | mpt2sas_base_release_callback_handler(base_cb_idx); | |
7258 | mpt2sas_base_release_callback_handler(transport_cb_idx); | |
744090d3 | 7259 | mpt2sas_base_release_callback_handler(scsih_cb_idx); |
635374e7 EM |
7260 | mpt2sas_base_release_callback_handler(config_cb_idx); |
7261 | mpt2sas_base_release_callback_handler(ctl_cb_idx); | |
7262 | ||
77e63ed4 | 7263 | mpt2sas_base_release_callback_handler(tm_tr_cb_idx); |
f3eedd69 | 7264 | mpt2sas_base_release_callback_handler(tm_tr_volume_cb_idx); |
77e63ed4 KD |
7265 | mpt2sas_base_release_callback_handler(tm_sas_control_cb_idx); |
7266 | ||
f7c95ef0 KD |
7267 | /* raid transport support */ |
7268 | raid_class_release(mpt2sas_raid_template); | |
7269 | sas_release_transport(mpt2sas_transport_template); | |
7270 | ||
635374e7 EM |
7271 | } |
7272 | ||
d5d135b3 EM |
7273 | module_init(_scsih_init); |
7274 | module_exit(_scsih_exit); |