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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 | ||
73 | /* global parameters */ | |
ba33fadf | 74 | LIST_HEAD(mpt2sas_ioc_list); |
635374e7 EM |
75 | |
76 | /* local parameters */ | |
635374e7 EM |
77 | static u8 scsi_io_cb_idx = -1; |
78 | static u8 tm_cb_idx = -1; | |
79 | static u8 ctl_cb_idx = -1; | |
80 | static u8 base_cb_idx = -1; | |
81 | static u8 transport_cb_idx = -1; | |
744090d3 | 82 | static u8 scsih_cb_idx = -1; |
635374e7 EM |
83 | static u8 config_cb_idx = -1; |
84 | static int mpt_ids; | |
85 | ||
77e63ed4 KD |
86 | static u8 tm_tr_cb_idx = -1 ; |
87 | static u8 tm_sas_control_cb_idx = -1; | |
88 | ||
635374e7 | 89 | /* command line options */ |
ba33fadf | 90 | static u32 logging_level; |
635374e7 EM |
91 | MODULE_PARM_DESC(logging_level, " bits for enabling additional logging info " |
92 | "(default=0)"); | |
93 | ||
94 | /* scsi-mid layer global parmeter is max_report_luns, which is 511 */ | |
95 | #define MPT2SAS_MAX_LUN (16895) | |
96 | static int max_lun = MPT2SAS_MAX_LUN; | |
97 | module_param(max_lun, int, 0); | |
98 | MODULE_PARM_DESC(max_lun, " max lun, default=16895 "); | |
99 | ||
100 | /** | |
101 | * struct sense_info - common structure for obtaining sense keys | |
102 | * @skey: sense key | |
103 | * @asc: additional sense code | |
104 | * @ascq: additional sense code qualifier | |
105 | */ | |
106 | struct sense_info { | |
107 | u8 skey; | |
108 | u8 asc; | |
109 | u8 ascq; | |
110 | }; | |
111 | ||
112 | ||
f1c35e6a KD |
113 | #define MPT2SAS_RESCAN_AFTER_HOST_RESET (0xFFFF) |
114 | ||
635374e7 EM |
115 | /** |
116 | * struct fw_event_work - firmware event struct | |
117 | * @list: link list framework | |
118 | * @work: work object (ioc->fault_reset_work_q) | |
f1c35e6a | 119 | * @cancel_pending_work: flag set during reset handling |
635374e7 EM |
120 | * @ioc: per adapter object |
121 | * @VF_ID: virtual function id | |
7b936b02 | 122 | * @VP_ID: virtual port id |
635374e7 EM |
123 | * @ignore: flag meaning this event has been marked to ignore |
124 | * @event: firmware event MPI2_EVENT_XXX defined in mpt2_ioc.h | |
125 | * @event_data: reply event data payload follows | |
126 | * | |
127 | * This object stored on ioc->fw_event_list. | |
128 | */ | |
129 | struct fw_event_work { | |
130 | struct list_head list; | |
f1c35e6a KD |
131 | u8 cancel_pending_work; |
132 | struct delayed_work delayed_work; | |
635374e7 EM |
133 | struct MPT2SAS_ADAPTER *ioc; |
134 | u8 VF_ID; | |
7b936b02 | 135 | u8 VP_ID; |
635374e7 EM |
136 | u8 ignore; |
137 | u16 event; | |
138 | void *event_data; | |
139 | }; | |
140 | ||
f7c95ef0 KD |
141 | /* raid transport support */ |
142 | static struct raid_template *mpt2sas_raid_template; | |
143 | ||
635374e7 EM |
144 | /** |
145 | * struct _scsi_io_transfer - scsi io transfer | |
146 | * @handle: sas device handle (assigned by firmware) | |
147 | * @is_raid: flag set for hidden raid components | |
148 | * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE, | |
149 | * @data_length: data transfer length | |
150 | * @data_dma: dma pointer to data | |
151 | * @sense: sense data | |
152 | * @lun: lun number | |
153 | * @cdb_length: cdb length | |
154 | * @cdb: cdb contents | |
635374e7 | 155 | * @timeout: timeout for this command |
7b936b02 KD |
156 | * @VF_ID: virtual function id |
157 | * @VP_ID: virtual port id | |
158 | * @valid_reply: flag set for reply message | |
635374e7 EM |
159 | * @sense_length: sense length |
160 | * @ioc_status: ioc status | |
161 | * @scsi_state: scsi state | |
162 | * @scsi_status: scsi staus | |
163 | * @log_info: log information | |
164 | * @transfer_length: data length transfer when there is a reply message | |
165 | * | |
166 | * Used for sending internal scsi commands to devices within this module. | |
167 | * Refer to _scsi_send_scsi_io(). | |
168 | */ | |
169 | struct _scsi_io_transfer { | |
170 | u16 handle; | |
171 | u8 is_raid; | |
172 | enum dma_data_direction dir; | |
173 | u32 data_length; | |
174 | dma_addr_t data_dma; | |
175 | u8 sense[SCSI_SENSE_BUFFERSIZE]; | |
176 | u32 lun; | |
177 | u8 cdb_length; | |
178 | u8 cdb[32]; | |
179 | u8 timeout; | |
7b936b02 KD |
180 | u8 VF_ID; |
181 | u8 VP_ID; | |
635374e7 EM |
182 | u8 valid_reply; |
183 | /* the following bits are only valid when 'valid_reply = 1' */ | |
184 | u32 sense_length; | |
185 | u16 ioc_status; | |
186 | u8 scsi_state; | |
187 | u8 scsi_status; | |
188 | u32 log_info; | |
189 | u32 transfer_length; | |
190 | }; | |
191 | ||
192 | /* | |
193 | * The pci device ids are defined in mpi/mpi2_cnfg.h. | |
194 | */ | |
195 | static struct pci_device_id scsih_pci_table[] = { | |
196 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004, | |
197 | PCI_ANY_ID, PCI_ANY_ID }, | |
198 | /* Falcon ~ 2008*/ | |
199 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008, | |
200 | PCI_ANY_ID, PCI_ANY_ID }, | |
201 | /* Liberator ~ 2108 */ | |
202 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1, | |
203 | PCI_ANY_ID, PCI_ANY_ID }, | |
204 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2, | |
205 | PCI_ANY_ID, PCI_ANY_ID }, | |
206 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3, | |
207 | PCI_ANY_ID, PCI_ANY_ID }, | |
db27136a | 208 | /* Meteor ~ 2116 */ |
635374e7 EM |
209 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1, |
210 | PCI_ANY_ID, PCI_ANY_ID }, | |
211 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2, | |
212 | PCI_ANY_ID, PCI_ANY_ID }, | |
db27136a KD |
213 | /* Thunderbolt ~ 2208 */ |
214 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1, | |
215 | PCI_ANY_ID, PCI_ANY_ID }, | |
216 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_2, | |
217 | PCI_ANY_ID, PCI_ANY_ID }, | |
218 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_3, | |
219 | PCI_ANY_ID, PCI_ANY_ID }, | |
220 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_4, | |
221 | PCI_ANY_ID, PCI_ANY_ID }, | |
222 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_5, | |
223 | PCI_ANY_ID, PCI_ANY_ID }, | |
224 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6, | |
225 | PCI_ANY_ID, PCI_ANY_ID }, | |
226 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_7, | |
227 | PCI_ANY_ID, PCI_ANY_ID }, | |
228 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_8, | |
229 | PCI_ANY_ID, PCI_ANY_ID }, | |
635374e7 EM |
230 | {0} /* Terminating entry */ |
231 | }; | |
232 | MODULE_DEVICE_TABLE(pci, scsih_pci_table); | |
233 | ||
234 | /** | |
d5d135b3 | 235 | * _scsih_set_debug_level - global setting of ioc->logging_level. |
635374e7 EM |
236 | * |
237 | * Note: The logging levels are defined in mpt2sas_debug.h. | |
238 | */ | |
239 | static int | |
d5d135b3 | 240 | _scsih_set_debug_level(const char *val, struct kernel_param *kp) |
635374e7 EM |
241 | { |
242 | int ret = param_set_int(val, kp); | |
243 | struct MPT2SAS_ADAPTER *ioc; | |
244 | ||
245 | if (ret) | |
246 | return ret; | |
247 | ||
248 | printk(KERN_INFO "setting logging_level(0x%08x)\n", logging_level); | |
ba33fadf | 249 | list_for_each_entry(ioc, &mpt2sas_ioc_list, list) |
635374e7 EM |
250 | ioc->logging_level = logging_level; |
251 | return 0; | |
252 | } | |
d5d135b3 | 253 | module_param_call(logging_level, _scsih_set_debug_level, param_get_int, |
635374e7 EM |
254 | &logging_level, 0644); |
255 | ||
256 | /** | |
257 | * _scsih_srch_boot_sas_address - search based on sas_address | |
258 | * @sas_address: sas address | |
259 | * @boot_device: boot device object from bios page 2 | |
260 | * | |
261 | * Returns 1 when there's a match, 0 means no match. | |
262 | */ | |
263 | static inline int | |
264 | _scsih_srch_boot_sas_address(u64 sas_address, | |
265 | Mpi2BootDeviceSasWwid_t *boot_device) | |
266 | { | |
267 | return (sas_address == le64_to_cpu(boot_device->SASAddress)) ? 1 : 0; | |
268 | } | |
269 | ||
270 | /** | |
271 | * _scsih_srch_boot_device_name - search based on device name | |
272 | * @device_name: device name specified in INDENTIFY fram | |
273 | * @boot_device: boot device object from bios page 2 | |
274 | * | |
275 | * Returns 1 when there's a match, 0 means no match. | |
276 | */ | |
277 | static inline int | |
278 | _scsih_srch_boot_device_name(u64 device_name, | |
279 | Mpi2BootDeviceDeviceName_t *boot_device) | |
280 | { | |
281 | return (device_name == le64_to_cpu(boot_device->DeviceName)) ? 1 : 0; | |
282 | } | |
283 | ||
284 | /** | |
285 | * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot | |
286 | * @enclosure_logical_id: enclosure logical id | |
287 | * @slot_number: slot number | |
288 | * @boot_device: boot device object from bios page 2 | |
289 | * | |
290 | * Returns 1 when there's a match, 0 means no match. | |
291 | */ | |
292 | static inline int | |
293 | _scsih_srch_boot_encl_slot(u64 enclosure_logical_id, u16 slot_number, | |
294 | Mpi2BootDeviceEnclosureSlot_t *boot_device) | |
295 | { | |
296 | return (enclosure_logical_id == le64_to_cpu(boot_device-> | |
297 | EnclosureLogicalID) && slot_number == le16_to_cpu(boot_device-> | |
298 | SlotNumber)) ? 1 : 0; | |
299 | } | |
300 | ||
301 | /** | |
302 | * _scsih_is_boot_device - search for matching boot device. | |
303 | * @sas_address: sas address | |
304 | * @device_name: device name specified in INDENTIFY fram | |
305 | * @enclosure_logical_id: enclosure logical id | |
306 | * @slot_number: slot number | |
307 | * @form: specifies boot device form | |
308 | * @boot_device: boot device object from bios page 2 | |
309 | * | |
310 | * Returns 1 when there's a match, 0 means no match. | |
311 | */ | |
312 | static int | |
313 | _scsih_is_boot_device(u64 sas_address, u64 device_name, | |
314 | u64 enclosure_logical_id, u16 slot, u8 form, | |
315 | Mpi2BiosPage2BootDevice_t *boot_device) | |
316 | { | |
317 | int rc = 0; | |
318 | ||
319 | switch (form) { | |
320 | case MPI2_BIOSPAGE2_FORM_SAS_WWID: | |
321 | if (!sas_address) | |
322 | break; | |
323 | rc = _scsih_srch_boot_sas_address( | |
324 | sas_address, &boot_device->SasWwid); | |
325 | break; | |
326 | case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT: | |
327 | if (!enclosure_logical_id) | |
328 | break; | |
329 | rc = _scsih_srch_boot_encl_slot( | |
330 | enclosure_logical_id, | |
331 | slot, &boot_device->EnclosureSlot); | |
332 | break; | |
333 | case MPI2_BIOSPAGE2_FORM_DEVICE_NAME: | |
334 | if (!device_name) | |
335 | break; | |
336 | rc = _scsih_srch_boot_device_name( | |
337 | device_name, &boot_device->DeviceName); | |
338 | break; | |
339 | case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED: | |
340 | break; | |
341 | } | |
342 | ||
343 | return rc; | |
344 | } | |
345 | ||
c5e039be KD |
346 | /** |
347 | * _scsih_get_sas_address - set the sas_address for given device handle | |
348 | * @handle: device handle | |
349 | * @sas_address: sas address | |
350 | * | |
351 | * Returns 0 success, non-zero when failure | |
352 | */ | |
353 | static int | |
354 | _scsih_get_sas_address(struct MPT2SAS_ADAPTER *ioc, u16 handle, | |
355 | u64 *sas_address) | |
356 | { | |
357 | Mpi2SasDevicePage0_t sas_device_pg0; | |
358 | Mpi2ConfigReply_t mpi_reply; | |
359 | u32 ioc_status; | |
360 | ||
361 | if (handle <= ioc->sas_hba.num_phys) { | |
362 | *sas_address = ioc->sas_hba.sas_address; | |
363 | return 0; | |
364 | } else | |
365 | *sas_address = 0; | |
366 | ||
367 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
368 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { | |
369 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
370 | ioc->name, __FILE__, __LINE__, __func__); | |
371 | return -ENXIO; | |
372 | } | |
373 | ||
374 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
375 | MPI2_IOCSTATUS_MASK; | |
376 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
377 | printk(MPT2SAS_ERR_FMT "handle(0x%04x), ioc_status(0x%04x)" | |
378 | "\nfailure at %s:%d/%s()!\n", ioc->name, handle, ioc_status, | |
379 | __FILE__, __LINE__, __func__); | |
380 | return -EIO; | |
381 | } | |
382 | ||
383 | *sas_address = le64_to_cpu(sas_device_pg0.SASAddress); | |
384 | return 0; | |
385 | } | |
386 | ||
635374e7 EM |
387 | /** |
388 | * _scsih_determine_boot_device - determine boot device. | |
389 | * @ioc: per adapter object | |
390 | * @device: either sas_device or raid_device object | |
391 | * @is_raid: [flag] 1 = raid object, 0 = sas object | |
392 | * | |
393 | * Determines whether this device should be first reported device to | |
394 | * to scsi-ml or sas transport, this purpose is for persistant boot device. | |
395 | * There are primary, alternate, and current entries in bios page 2. The order | |
396 | * priority is primary, alternate, then current. This routine saves | |
397 | * the corresponding device object and is_raid flag in the ioc object. | |
398 | * The saved data to be used later in _scsih_probe_boot_devices(). | |
399 | */ | |
400 | static void | |
401 | _scsih_determine_boot_device(struct MPT2SAS_ADAPTER *ioc, | |
402 | void *device, u8 is_raid) | |
403 | { | |
404 | struct _sas_device *sas_device; | |
405 | struct _raid_device *raid_device; | |
406 | u64 sas_address; | |
407 | u64 device_name; | |
408 | u64 enclosure_logical_id; | |
409 | u16 slot; | |
410 | ||
411 | /* only process this function when driver loads */ | |
412 | if (!ioc->wait_for_port_enable_to_complete) | |
413 | return; | |
414 | ||
415 | if (!is_raid) { | |
416 | sas_device = device; | |
417 | sas_address = sas_device->sas_address; | |
418 | device_name = sas_device->device_name; | |
419 | enclosure_logical_id = sas_device->enclosure_logical_id; | |
420 | slot = sas_device->slot; | |
421 | } else { | |
422 | raid_device = device; | |
423 | sas_address = raid_device->wwid; | |
424 | device_name = 0; | |
425 | enclosure_logical_id = 0; | |
426 | slot = 0; | |
427 | } | |
428 | ||
429 | if (!ioc->req_boot_device.device) { | |
430 | if (_scsih_is_boot_device(sas_address, device_name, | |
431 | enclosure_logical_id, slot, | |
432 | (ioc->bios_pg2.ReqBootDeviceForm & | |
433 | MPI2_BIOSPAGE2_FORM_MASK), | |
434 | &ioc->bios_pg2.RequestedBootDevice)) { | |
435 | dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT | |
436 | "%s: req_boot_device(0x%016llx)\n", | |
437 | ioc->name, __func__, | |
438 | (unsigned long long)sas_address)); | |
439 | ioc->req_boot_device.device = device; | |
440 | ioc->req_boot_device.is_raid = is_raid; | |
441 | } | |
442 | } | |
443 | ||
444 | if (!ioc->req_alt_boot_device.device) { | |
445 | if (_scsih_is_boot_device(sas_address, device_name, | |
446 | enclosure_logical_id, slot, | |
447 | (ioc->bios_pg2.ReqAltBootDeviceForm & | |
448 | MPI2_BIOSPAGE2_FORM_MASK), | |
449 | &ioc->bios_pg2.RequestedAltBootDevice)) { | |
450 | dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT | |
451 | "%s: req_alt_boot_device(0x%016llx)\n", | |
452 | ioc->name, __func__, | |
453 | (unsigned long long)sas_address)); | |
454 | ioc->req_alt_boot_device.device = device; | |
455 | ioc->req_alt_boot_device.is_raid = is_raid; | |
456 | } | |
457 | } | |
458 | ||
459 | if (!ioc->current_boot_device.device) { | |
460 | if (_scsih_is_boot_device(sas_address, device_name, | |
461 | enclosure_logical_id, slot, | |
462 | (ioc->bios_pg2.CurrentBootDeviceForm & | |
463 | MPI2_BIOSPAGE2_FORM_MASK), | |
464 | &ioc->bios_pg2.CurrentBootDevice)) { | |
465 | dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT | |
466 | "%s: current_boot_device(0x%016llx)\n", | |
467 | ioc->name, __func__, | |
468 | (unsigned long long)sas_address)); | |
469 | ioc->current_boot_device.device = device; | |
470 | ioc->current_boot_device.is_raid = is_raid; | |
471 | } | |
472 | } | |
473 | } | |
474 | ||
475 | /** | |
476 | * mpt2sas_scsih_sas_device_find_by_sas_address - sas device search | |
477 | * @ioc: per adapter object | |
478 | * @sas_address: sas address | |
479 | * Context: Calling function should acquire ioc->sas_device_lock | |
480 | * | |
481 | * This searches for sas_device based on sas_address, then return sas_device | |
482 | * object. | |
483 | */ | |
484 | struct _sas_device * | |
485 | mpt2sas_scsih_sas_device_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc, | |
486 | u64 sas_address) | |
487 | { | |
cd9843f8 | 488 | struct _sas_device *sas_device; |
635374e7 | 489 | |
cd9843f8 KD |
490 | list_for_each_entry(sas_device, &ioc->sas_device_list, list) |
491 | if (sas_device->sas_address == sas_address) | |
492 | return sas_device; | |
493 | ||
494 | list_for_each_entry(sas_device, &ioc->sas_device_init_list, list) | |
495 | if (sas_device->sas_address == sas_address) | |
496 | return sas_device; | |
497 | ||
498 | return NULL; | |
635374e7 EM |
499 | } |
500 | ||
501 | /** | |
502 | * _scsih_sas_device_find_by_handle - sas device search | |
503 | * @ioc: per adapter object | |
504 | * @handle: sas device handle (assigned by firmware) | |
505 | * Context: Calling function should acquire ioc->sas_device_lock | |
506 | * | |
507 | * This searches for sas_device based on sas_address, then return sas_device | |
508 | * object. | |
509 | */ | |
510 | static struct _sas_device * | |
511 | _scsih_sas_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
512 | { | |
cd9843f8 KD |
513 | struct _sas_device *sas_device; |
514 | ||
515 | list_for_each_entry(sas_device, &ioc->sas_device_list, list) | |
516 | if (sas_device->handle == handle) | |
517 | return sas_device; | |
518 | ||
519 | list_for_each_entry(sas_device, &ioc->sas_device_init_list, list) | |
520 | if (sas_device->handle == handle) | |
521 | return sas_device; | |
635374e7 | 522 | |
cd9843f8 | 523 | return NULL; |
635374e7 EM |
524 | } |
525 | ||
526 | /** | |
527 | * _scsih_sas_device_remove - remove sas_device from list. | |
528 | * @ioc: per adapter object | |
529 | * @sas_device: the sas_device object | |
530 | * Context: This function will acquire ioc->sas_device_lock. | |
531 | * | |
532 | * Removing object and freeing associated memory from the ioc->sas_device_list. | |
533 | */ | |
534 | static void | |
535 | _scsih_sas_device_remove(struct MPT2SAS_ADAPTER *ioc, | |
536 | struct _sas_device *sas_device) | |
537 | { | |
538 | unsigned long flags; | |
539 | ||
980ead31 KD |
540 | if (!sas_device) |
541 | return; | |
542 | ||
635374e7 | 543 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
980ead31 KD |
544 | if (mpt2sas_scsih_sas_device_find_by_sas_address(ioc, |
545 | sas_device->sas_address)) { | |
546 | list_del(&sas_device->list); | |
547 | kfree(sas_device); | |
548 | } | |
635374e7 EM |
549 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
550 | } | |
551 | ||
552 | /** | |
553 | * _scsih_sas_device_add - insert sas_device to the list. | |
554 | * @ioc: per adapter object | |
555 | * @sas_device: the sas_device object | |
556 | * Context: This function will acquire ioc->sas_device_lock. | |
557 | * | |
558 | * Adding new object to the ioc->sas_device_list. | |
559 | */ | |
560 | static void | |
561 | _scsih_sas_device_add(struct MPT2SAS_ADAPTER *ioc, | |
562 | struct _sas_device *sas_device) | |
563 | { | |
564 | unsigned long flags; | |
635374e7 EM |
565 | |
566 | dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle" | |
567 | "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, | |
568 | sas_device->handle, (unsigned long long)sas_device->sas_address)); | |
569 | ||
570 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
571 | list_add_tail(&sas_device->list, &ioc->sas_device_list); | |
572 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
573 | ||
c5e039be KD |
574 | if (!mpt2sas_transport_port_add(ioc, sas_device->handle, |
575 | sas_device->sas_address_parent)) | |
635374e7 | 576 | _scsih_sas_device_remove(ioc, sas_device); |
635374e7 EM |
577 | } |
578 | ||
579 | /** | |
580 | * _scsih_sas_device_init_add - insert sas_device to the list. | |
581 | * @ioc: per adapter object | |
582 | * @sas_device: the sas_device object | |
583 | * Context: This function will acquire ioc->sas_device_lock. | |
584 | * | |
585 | * Adding new object at driver load time to the ioc->sas_device_init_list. | |
586 | */ | |
587 | static void | |
588 | _scsih_sas_device_init_add(struct MPT2SAS_ADAPTER *ioc, | |
589 | struct _sas_device *sas_device) | |
590 | { | |
591 | unsigned long flags; | |
592 | ||
593 | dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle" | |
594 | "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, | |
595 | sas_device->handle, (unsigned long long)sas_device->sas_address)); | |
596 | ||
597 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
598 | list_add_tail(&sas_device->list, &ioc->sas_device_init_list); | |
599 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
600 | _scsih_determine_boot_device(ioc, sas_device, 0); | |
601 | } | |
602 | ||
635374e7 EM |
603 | /** |
604 | * _scsih_raid_device_find_by_id - raid device search | |
605 | * @ioc: per adapter object | |
606 | * @id: sas device target id | |
607 | * @channel: sas device channel | |
608 | * Context: Calling function should acquire ioc->raid_device_lock | |
609 | * | |
610 | * This searches for raid_device based on target id, then return raid_device | |
611 | * object. | |
612 | */ | |
613 | static struct _raid_device * | |
614 | _scsih_raid_device_find_by_id(struct MPT2SAS_ADAPTER *ioc, int id, int channel) | |
615 | { | |
616 | struct _raid_device *raid_device, *r; | |
617 | ||
618 | r = NULL; | |
619 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { | |
620 | if (raid_device->id == id && raid_device->channel == channel) { | |
621 | r = raid_device; | |
622 | goto out; | |
623 | } | |
624 | } | |
625 | ||
626 | out: | |
627 | return r; | |
628 | } | |
629 | ||
630 | /** | |
631 | * _scsih_raid_device_find_by_handle - raid device search | |
632 | * @ioc: per adapter object | |
633 | * @handle: sas device handle (assigned by firmware) | |
634 | * Context: Calling function should acquire ioc->raid_device_lock | |
635 | * | |
636 | * This searches for raid_device based on handle, then return raid_device | |
637 | * object. | |
638 | */ | |
639 | static struct _raid_device * | |
640 | _scsih_raid_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
641 | { | |
642 | struct _raid_device *raid_device, *r; | |
643 | ||
644 | r = NULL; | |
645 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { | |
646 | if (raid_device->handle != handle) | |
647 | continue; | |
648 | r = raid_device; | |
649 | goto out; | |
650 | } | |
651 | ||
652 | out: | |
653 | return r; | |
654 | } | |
655 | ||
656 | /** | |
657 | * _scsih_raid_device_find_by_wwid - raid device search | |
658 | * @ioc: per adapter object | |
659 | * @handle: sas device handle (assigned by firmware) | |
660 | * Context: Calling function should acquire ioc->raid_device_lock | |
661 | * | |
662 | * This searches for raid_device based on wwid, then return raid_device | |
663 | * object. | |
664 | */ | |
665 | static struct _raid_device * | |
666 | _scsih_raid_device_find_by_wwid(struct MPT2SAS_ADAPTER *ioc, u64 wwid) | |
667 | { | |
668 | struct _raid_device *raid_device, *r; | |
669 | ||
670 | r = NULL; | |
671 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { | |
672 | if (raid_device->wwid != wwid) | |
673 | continue; | |
674 | r = raid_device; | |
675 | goto out; | |
676 | } | |
677 | ||
678 | out: | |
679 | return r; | |
680 | } | |
681 | ||
682 | /** | |
683 | * _scsih_raid_device_add - add raid_device object | |
684 | * @ioc: per adapter object | |
685 | * @raid_device: raid_device object | |
686 | * | |
687 | * This is added to the raid_device_list link list. | |
688 | */ | |
689 | static void | |
690 | _scsih_raid_device_add(struct MPT2SAS_ADAPTER *ioc, | |
691 | struct _raid_device *raid_device) | |
692 | { | |
693 | unsigned long flags; | |
694 | ||
695 | dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle" | |
696 | "(0x%04x), wwid(0x%016llx)\n", ioc->name, __func__, | |
697 | raid_device->handle, (unsigned long long)raid_device->wwid)); | |
698 | ||
699 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
700 | list_add_tail(&raid_device->list, &ioc->raid_device_list); | |
701 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
702 | } | |
703 | ||
704 | /** | |
705 | * _scsih_raid_device_remove - delete raid_device object | |
706 | * @ioc: per adapter object | |
707 | * @raid_device: raid_device object | |
708 | * | |
709 | * This is removed from the raid_device_list link list. | |
710 | */ | |
711 | static void | |
712 | _scsih_raid_device_remove(struct MPT2SAS_ADAPTER *ioc, | |
713 | struct _raid_device *raid_device) | |
714 | { | |
715 | unsigned long flags; | |
716 | ||
717 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
718 | list_del(&raid_device->list); | |
719 | memset(raid_device, 0, sizeof(struct _raid_device)); | |
720 | kfree(raid_device); | |
721 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
722 | } | |
723 | ||
c5e039be KD |
724 | /** |
725 | * mpt2sas_scsih_expander_find_by_handle - expander device search | |
726 | * @ioc: per adapter object | |
727 | * @handle: expander handle (assigned by firmware) | |
728 | * Context: Calling function should acquire ioc->sas_device_lock | |
729 | * | |
730 | * This searches for expander device based on handle, then returns the | |
731 | * sas_node object. | |
732 | */ | |
733 | struct _sas_node * | |
734 | mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
735 | { | |
736 | struct _sas_node *sas_expander, *r; | |
737 | ||
738 | r = NULL; | |
739 | list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { | |
740 | if (sas_expander->handle != handle) | |
741 | continue; | |
742 | r = sas_expander; | |
743 | goto out; | |
744 | } | |
745 | out: | |
746 | return r; | |
747 | } | |
748 | ||
635374e7 EM |
749 | /** |
750 | * mpt2sas_scsih_expander_find_by_sas_address - expander device search | |
751 | * @ioc: per adapter object | |
752 | * @sas_address: sas address | |
753 | * Context: Calling function should acquire ioc->sas_node_lock. | |
754 | * | |
755 | * This searches for expander device based on sas_address, then returns the | |
756 | * sas_node object. | |
757 | */ | |
758 | struct _sas_node * | |
759 | mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc, | |
760 | u64 sas_address) | |
761 | { | |
762 | struct _sas_node *sas_expander, *r; | |
763 | ||
764 | r = NULL; | |
765 | list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { | |
766 | if (sas_expander->sas_address != sas_address) | |
767 | continue; | |
768 | r = sas_expander; | |
769 | goto out; | |
770 | } | |
771 | out: | |
772 | return r; | |
773 | } | |
774 | ||
775 | /** | |
776 | * _scsih_expander_node_add - insert expander device to the list. | |
777 | * @ioc: per adapter object | |
778 | * @sas_expander: the sas_device object | |
779 | * Context: This function will acquire ioc->sas_node_lock. | |
780 | * | |
781 | * Adding new object to the ioc->sas_expander_list. | |
782 | * | |
783 | * Return nothing. | |
784 | */ | |
785 | static void | |
786 | _scsih_expander_node_add(struct MPT2SAS_ADAPTER *ioc, | |
787 | struct _sas_node *sas_expander) | |
788 | { | |
789 | unsigned long flags; | |
790 | ||
791 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
792 | list_add_tail(&sas_expander->list, &ioc->sas_expander_list); | |
793 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
794 | } | |
795 | ||
796 | /** | |
797 | * _scsih_is_end_device - determines if device is an end device | |
798 | * @device_info: bitfield providing information about the device. | |
799 | * Context: none | |
800 | * | |
801 | * Returns 1 if end device. | |
802 | */ | |
803 | static int | |
804 | _scsih_is_end_device(u32 device_info) | |
805 | { | |
806 | if (device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE && | |
807 | ((device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) | | |
808 | (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) | | |
809 | (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE))) | |
810 | return 1; | |
811 | else | |
812 | return 0; | |
813 | } | |
814 | ||
815 | /** | |
595bb0bd | 816 | * mptscsih_get_scsi_lookup - returns scmd entry |
635374e7 EM |
817 | * @ioc: per adapter object |
818 | * @smid: system request message index | |
635374e7 EM |
819 | * |
820 | * Returns the smid stored scmd pointer. | |
821 | */ | |
822 | static struct scsi_cmnd * | |
823 | _scsih_scsi_lookup_get(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
824 | { | |
595bb0bd | 825 | return ioc->scsi_lookup[smid - 1].scmd; |
635374e7 EM |
826 | } |
827 | ||
828 | /** | |
829 | * _scsih_scsi_lookup_find_by_scmd - scmd lookup | |
830 | * @ioc: per adapter object | |
831 | * @smid: system request message index | |
832 | * @scmd: pointer to scsi command object | |
833 | * Context: This function will acquire ioc->scsi_lookup_lock. | |
834 | * | |
835 | * This will search for a scmd pointer in the scsi_lookup array, | |
836 | * returning the revelent smid. A returned value of zero means invalid. | |
837 | */ | |
838 | static u16 | |
839 | _scsih_scsi_lookup_find_by_scmd(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd | |
840 | *scmd) | |
841 | { | |
842 | u16 smid; | |
843 | unsigned long flags; | |
844 | int i; | |
845 | ||
846 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
847 | smid = 0; | |
595bb0bd | 848 | for (i = 0; i < ioc->scsiio_depth; i++) { |
635374e7 | 849 | if (ioc->scsi_lookup[i].scmd == scmd) { |
595bb0bd | 850 | smid = ioc->scsi_lookup[i].smid; |
635374e7 EM |
851 | goto out; |
852 | } | |
853 | } | |
854 | out: | |
855 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
856 | return smid; | |
857 | } | |
858 | ||
859 | /** | |
860 | * _scsih_scsi_lookup_find_by_target - search for matching channel:id | |
861 | * @ioc: per adapter object | |
862 | * @id: target id | |
863 | * @channel: channel | |
864 | * Context: This function will acquire ioc->scsi_lookup_lock. | |
865 | * | |
866 | * This will search for a matching channel:id in the scsi_lookup array, | |
867 | * returning 1 if found. | |
868 | */ | |
869 | static u8 | |
870 | _scsih_scsi_lookup_find_by_target(struct MPT2SAS_ADAPTER *ioc, int id, | |
871 | int channel) | |
872 | { | |
873 | u8 found; | |
874 | unsigned long flags; | |
875 | int i; | |
876 | ||
877 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
878 | found = 0; | |
595bb0bd | 879 | for (i = 0 ; i < ioc->scsiio_depth; i++) { |
635374e7 EM |
880 | if (ioc->scsi_lookup[i].scmd && |
881 | (ioc->scsi_lookup[i].scmd->device->id == id && | |
882 | ioc->scsi_lookup[i].scmd->device->channel == channel)) { | |
883 | found = 1; | |
884 | goto out; | |
885 | } | |
886 | } | |
887 | out: | |
888 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
889 | return found; | |
890 | } | |
891 | ||
993e0da7 EM |
892 | /** |
893 | * _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun | |
894 | * @ioc: per adapter object | |
895 | * @id: target id | |
896 | * @lun: lun number | |
897 | * @channel: channel | |
898 | * Context: This function will acquire ioc->scsi_lookup_lock. | |
899 | * | |
900 | * This will search for a matching channel:id:lun in the scsi_lookup array, | |
901 | * returning 1 if found. | |
902 | */ | |
903 | static u8 | |
904 | _scsih_scsi_lookup_find_by_lun(struct MPT2SAS_ADAPTER *ioc, int id, | |
905 | unsigned int lun, int channel) | |
906 | { | |
907 | u8 found; | |
908 | unsigned long flags; | |
909 | int i; | |
910 | ||
911 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
912 | found = 0; | |
595bb0bd | 913 | for (i = 0 ; i < ioc->scsiio_depth; i++) { |
993e0da7 EM |
914 | if (ioc->scsi_lookup[i].scmd && |
915 | (ioc->scsi_lookup[i].scmd->device->id == id && | |
916 | ioc->scsi_lookup[i].scmd->device->channel == channel && | |
917 | ioc->scsi_lookup[i].scmd->device->lun == lun)) { | |
918 | found = 1; | |
919 | goto out; | |
920 | } | |
921 | } | |
922 | out: | |
923 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
924 | return found; | |
925 | } | |
926 | ||
635374e7 EM |
927 | /** |
928 | * _scsih_get_chain_buffer_dma - obtain block of chains (dma address) | |
929 | * @ioc: per adapter object | |
930 | * @smid: system request message index | |
931 | * | |
932 | * Returns phys pointer to chain buffer. | |
933 | */ | |
934 | static dma_addr_t | |
935 | _scsih_get_chain_buffer_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
936 | { | |
937 | return ioc->chain_dma + ((smid - 1) * (ioc->request_sz * | |
938 | ioc->chains_needed_per_io)); | |
939 | } | |
940 | ||
941 | /** | |
942 | * _scsih_get_chain_buffer - obtain block of chains assigned to a mf request | |
943 | * @ioc: per adapter object | |
944 | * @smid: system request message index | |
945 | * | |
946 | * Returns virt pointer to chain buffer. | |
947 | */ | |
948 | static void * | |
949 | _scsih_get_chain_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
950 | { | |
951 | return (void *)(ioc->chain + ((smid - 1) * (ioc->request_sz * | |
952 | ioc->chains_needed_per_io))); | |
953 | } | |
954 | ||
955 | /** | |
956 | * _scsih_build_scatter_gather - main sg creation routine | |
957 | * @ioc: per adapter object | |
958 | * @scmd: scsi command | |
959 | * @smid: system request message index | |
960 | * Context: none. | |
961 | * | |
962 | * The main routine that builds scatter gather table from a given | |
963 | * scsi request sent via the .queuecommand main handler. | |
964 | * | |
965 | * Returns 0 success, anything else error | |
966 | */ | |
967 | static int | |
968 | _scsih_build_scatter_gather(struct MPT2SAS_ADAPTER *ioc, | |
969 | struct scsi_cmnd *scmd, u16 smid) | |
970 | { | |
971 | Mpi2SCSIIORequest_t *mpi_request; | |
972 | dma_addr_t chain_dma; | |
973 | struct scatterlist *sg_scmd; | |
974 | void *sg_local, *chain; | |
975 | u32 chain_offset; | |
976 | u32 chain_length; | |
977 | u32 chain_flags; | |
bb789d01 | 978 | int sges_left; |
635374e7 EM |
979 | u32 sges_in_segment; |
980 | u32 sgl_flags; | |
981 | u32 sgl_flags_last_element; | |
982 | u32 sgl_flags_end_buffer; | |
983 | ||
984 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
985 | ||
986 | /* init scatter gather flags */ | |
987 | sgl_flags = MPI2_SGE_FLAGS_SIMPLE_ELEMENT; | |
988 | if (scmd->sc_data_direction == DMA_TO_DEVICE) | |
989 | sgl_flags |= MPI2_SGE_FLAGS_HOST_TO_IOC; | |
990 | sgl_flags_last_element = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT) | |
991 | << MPI2_SGE_FLAGS_SHIFT; | |
992 | sgl_flags_end_buffer = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT | | |
993 | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST) | |
994 | << MPI2_SGE_FLAGS_SHIFT; | |
995 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
996 | ||
997 | sg_scmd = scsi_sglist(scmd); | |
998 | sges_left = scsi_dma_map(scmd); | |
bb789d01 | 999 | if (sges_left < 0) { |
635374e7 EM |
1000 | sdev_printk(KERN_ERR, scmd->device, "pci_map_sg" |
1001 | " failed: request for %d bytes!\n", scsi_bufflen(scmd)); | |
1002 | return -ENOMEM; | |
1003 | } | |
1004 | ||
1005 | sg_local = &mpi_request->SGL; | |
1006 | sges_in_segment = ioc->max_sges_in_main_message; | |
1007 | if (sges_left <= sges_in_segment) | |
1008 | goto fill_in_last_segment; | |
1009 | ||
1010 | mpi_request->ChainOffset = (offsetof(Mpi2SCSIIORequest_t, SGL) + | |
1011 | (sges_in_segment * ioc->sge_size))/4; | |
1012 | ||
1013 | /* fill in main message segment when there is a chain following */ | |
1014 | while (sges_in_segment) { | |
1015 | if (sges_in_segment == 1) | |
1016 | ioc->base_add_sg_single(sg_local, | |
1017 | sgl_flags_last_element | sg_dma_len(sg_scmd), | |
1018 | sg_dma_address(sg_scmd)); | |
1019 | else | |
1020 | ioc->base_add_sg_single(sg_local, sgl_flags | | |
1021 | sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); | |
1022 | sg_scmd = sg_next(sg_scmd); | |
1023 | sg_local += ioc->sge_size; | |
1024 | sges_left--; | |
1025 | sges_in_segment--; | |
1026 | } | |
1027 | ||
1028 | /* initializing the chain flags and pointers */ | |
1029 | chain_flags = MPI2_SGE_FLAGS_CHAIN_ELEMENT << MPI2_SGE_FLAGS_SHIFT; | |
1030 | chain = _scsih_get_chain_buffer(ioc, smid); | |
1031 | chain_dma = _scsih_get_chain_buffer_dma(ioc, smid); | |
1032 | do { | |
1033 | sges_in_segment = (sges_left <= | |
1034 | ioc->max_sges_in_chain_message) ? sges_left : | |
1035 | ioc->max_sges_in_chain_message; | |
1036 | chain_offset = (sges_left == sges_in_segment) ? | |
1037 | 0 : (sges_in_segment * ioc->sge_size)/4; | |
1038 | chain_length = sges_in_segment * ioc->sge_size; | |
1039 | if (chain_offset) { | |
1040 | chain_offset = chain_offset << | |
1041 | MPI2_SGE_CHAIN_OFFSET_SHIFT; | |
1042 | chain_length += ioc->sge_size; | |
1043 | } | |
1044 | ioc->base_add_sg_single(sg_local, chain_flags | chain_offset | | |
1045 | chain_length, chain_dma); | |
1046 | sg_local = chain; | |
1047 | if (!chain_offset) | |
1048 | goto fill_in_last_segment; | |
1049 | ||
1050 | /* fill in chain segments */ | |
1051 | while (sges_in_segment) { | |
1052 | if (sges_in_segment == 1) | |
1053 | ioc->base_add_sg_single(sg_local, | |
1054 | sgl_flags_last_element | | |
1055 | sg_dma_len(sg_scmd), | |
1056 | sg_dma_address(sg_scmd)); | |
1057 | else | |
1058 | ioc->base_add_sg_single(sg_local, sgl_flags | | |
1059 | sg_dma_len(sg_scmd), | |
1060 | sg_dma_address(sg_scmd)); | |
1061 | sg_scmd = sg_next(sg_scmd); | |
1062 | sg_local += ioc->sge_size; | |
1063 | sges_left--; | |
1064 | sges_in_segment--; | |
1065 | } | |
1066 | ||
1067 | chain_dma += ioc->request_sz; | |
1068 | chain += ioc->request_sz; | |
1069 | } while (1); | |
1070 | ||
1071 | ||
1072 | fill_in_last_segment: | |
1073 | ||
1074 | /* fill the last segment */ | |
1075 | while (sges_left) { | |
1076 | if (sges_left == 1) | |
1077 | ioc->base_add_sg_single(sg_local, sgl_flags_end_buffer | | |
1078 | sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); | |
1079 | else | |
1080 | ioc->base_add_sg_single(sg_local, sgl_flags | | |
1081 | sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); | |
1082 | sg_scmd = sg_next(sg_scmd); | |
1083 | sg_local += ioc->sge_size; | |
1084 | sges_left--; | |
1085 | } | |
1086 | ||
1087 | return 0; | |
1088 | } | |
1089 | ||
1090 | /** | |
d5d135b3 | 1091 | * _scsih_change_queue_depth - setting device queue depth |
635374e7 EM |
1092 | * @sdev: scsi device struct |
1093 | * @qdepth: requested queue depth | |
e881a172 | 1094 | * @reason: calling context |
635374e7 EM |
1095 | * |
1096 | * Returns queue depth. | |
1097 | */ | |
1098 | static int | |
e881a172 | 1099 | _scsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason) |
635374e7 EM |
1100 | { |
1101 | struct Scsi_Host *shost = sdev->host; | |
1102 | int max_depth; | |
1103 | int tag_type; | |
e0077d60 KD |
1104 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); |
1105 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
1106 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
1107 | struct _sas_device *sas_device; | |
1108 | unsigned long flags; | |
635374e7 | 1109 | |
e881a172 MC |
1110 | if (reason != SCSI_QDEPTH_DEFAULT) |
1111 | return -EOPNOTSUPP; | |
1112 | ||
635374e7 | 1113 | max_depth = shost->can_queue; |
e0077d60 KD |
1114 | |
1115 | /* limit max device queue for SATA to 32 */ | |
1116 | sas_device_priv_data = sdev->hostdata; | |
1117 | if (!sas_device_priv_data) | |
1118 | goto not_sata; | |
1119 | sas_target_priv_data = sas_device_priv_data->sas_target; | |
1120 | if (!sas_target_priv_data) | |
1121 | goto not_sata; | |
1122 | if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) | |
1123 | goto not_sata; | |
1124 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
1125 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
1126 | sas_device_priv_data->sas_target->sas_address); | |
1127 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
1128 | if (sas_device && sas_device->device_info & | |
1129 | MPI2_SAS_DEVICE_INFO_SATA_DEVICE) | |
1130 | max_depth = MPT2SAS_SATA_QUEUE_DEPTH; | |
1131 | ||
1132 | not_sata: | |
1133 | ||
635374e7 EM |
1134 | if (!sdev->tagged_supported) |
1135 | max_depth = 1; | |
1136 | if (qdepth > max_depth) | |
1137 | qdepth = max_depth; | |
1138 | tag_type = (qdepth == 1) ? 0 : MSG_SIMPLE_TAG; | |
1139 | scsi_adjust_queue_depth(sdev, tag_type, qdepth); | |
1140 | ||
1141 | if (sdev->inquiry_len > 7) | |
1142 | sdev_printk(KERN_INFO, sdev, "qdepth(%d), tagged(%d), " | |
1143 | "simple(%d), ordered(%d), scsi_level(%d), cmd_que(%d)\n", | |
1144 | sdev->queue_depth, sdev->tagged_supported, sdev->simple_tags, | |
1145 | sdev->ordered_tags, sdev->scsi_level, | |
1146 | (sdev->inquiry[7] & 2) >> 1); | |
1147 | ||
1148 | return sdev->queue_depth; | |
1149 | } | |
1150 | ||
1151 | /** | |
595bb0bd | 1152 | * _scsih_change_queue_type - changing device queue tag type |
635374e7 EM |
1153 | * @sdev: scsi device struct |
1154 | * @tag_type: requested tag type | |
1155 | * | |
1156 | * Returns queue tag type. | |
1157 | */ | |
1158 | static int | |
d5d135b3 | 1159 | _scsih_change_queue_type(struct scsi_device *sdev, int tag_type) |
635374e7 EM |
1160 | { |
1161 | if (sdev->tagged_supported) { | |
1162 | scsi_set_tag_type(sdev, tag_type); | |
1163 | if (tag_type) | |
1164 | scsi_activate_tcq(sdev, sdev->queue_depth); | |
1165 | else | |
1166 | scsi_deactivate_tcq(sdev, sdev->queue_depth); | |
1167 | } else | |
1168 | tag_type = 0; | |
1169 | ||
1170 | return tag_type; | |
1171 | } | |
1172 | ||
1173 | /** | |
d5d135b3 | 1174 | * _scsih_target_alloc - target add routine |
635374e7 EM |
1175 | * @starget: scsi target struct |
1176 | * | |
1177 | * Returns 0 if ok. Any other return is assumed to be an error and | |
1178 | * the device is ignored. | |
1179 | */ | |
1180 | static int | |
d5d135b3 | 1181 | _scsih_target_alloc(struct scsi_target *starget) |
635374e7 EM |
1182 | { |
1183 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
1184 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
1185 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
1186 | struct _sas_device *sas_device; | |
1187 | struct _raid_device *raid_device; | |
1188 | unsigned long flags; | |
1189 | struct sas_rphy *rphy; | |
1190 | ||
1191 | sas_target_priv_data = kzalloc(sizeof(struct scsi_target), GFP_KERNEL); | |
1192 | if (!sas_target_priv_data) | |
1193 | return -ENOMEM; | |
1194 | ||
1195 | starget->hostdata = sas_target_priv_data; | |
1196 | sas_target_priv_data->starget = starget; | |
1197 | sas_target_priv_data->handle = MPT2SAS_INVALID_DEVICE_HANDLE; | |
1198 | ||
1199 | /* RAID volumes */ | |
1200 | if (starget->channel == RAID_CHANNEL) { | |
1201 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1202 | raid_device = _scsih_raid_device_find_by_id(ioc, starget->id, | |
1203 | starget->channel); | |
1204 | if (raid_device) { | |
1205 | sas_target_priv_data->handle = raid_device->handle; | |
1206 | sas_target_priv_data->sas_address = raid_device->wwid; | |
1207 | sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME; | |
1208 | raid_device->starget = starget; | |
1209 | } | |
1210 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
1211 | return 0; | |
1212 | } | |
1213 | ||
1214 | /* sas/sata devices */ | |
1215 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
1216 | rphy = dev_to_rphy(starget->dev.parent); | |
1217 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
1218 | rphy->identify.sas_address); | |
1219 | ||
1220 | if (sas_device) { | |
1221 | sas_target_priv_data->handle = sas_device->handle; | |
1222 | sas_target_priv_data->sas_address = sas_device->sas_address; | |
1223 | sas_device->starget = starget; | |
1224 | sas_device->id = starget->id; | |
1225 | sas_device->channel = starget->channel; | |
1226 | if (sas_device->hidden_raid_component) | |
1227 | sas_target_priv_data->flags |= | |
1228 | MPT_TARGET_FLAGS_RAID_COMPONENT; | |
1229 | } | |
1230 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
1231 | ||
1232 | return 0; | |
1233 | } | |
1234 | ||
1235 | /** | |
d5d135b3 | 1236 | * _scsih_target_destroy - target destroy routine |
635374e7 EM |
1237 | * @starget: scsi target struct |
1238 | * | |
1239 | * Returns nothing. | |
1240 | */ | |
1241 | static void | |
d5d135b3 | 1242 | _scsih_target_destroy(struct scsi_target *starget) |
635374e7 EM |
1243 | { |
1244 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
1245 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
1246 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
1247 | struct _sas_device *sas_device; | |
1248 | struct _raid_device *raid_device; | |
1249 | unsigned long flags; | |
1250 | struct sas_rphy *rphy; | |
1251 | ||
1252 | sas_target_priv_data = starget->hostdata; | |
1253 | if (!sas_target_priv_data) | |
1254 | return; | |
1255 | ||
1256 | if (starget->channel == RAID_CHANNEL) { | |
1257 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1258 | raid_device = _scsih_raid_device_find_by_id(ioc, starget->id, | |
1259 | starget->channel); | |
1260 | if (raid_device) { | |
1261 | raid_device->starget = NULL; | |
1262 | raid_device->sdev = NULL; | |
1263 | } | |
1264 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
1265 | goto out; | |
1266 | } | |
1267 | ||
1268 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
1269 | rphy = dev_to_rphy(starget->dev.parent); | |
1270 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
1271 | rphy->identify.sas_address); | |
8901cbb4 EM |
1272 | if (sas_device && (sas_device->starget == starget) && |
1273 | (sas_device->id == starget->id) && | |
1274 | (sas_device->channel == starget->channel)) | |
635374e7 EM |
1275 | sas_device->starget = NULL; |
1276 | ||
1277 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
1278 | ||
1279 | out: | |
1280 | kfree(sas_target_priv_data); | |
1281 | starget->hostdata = NULL; | |
1282 | } | |
1283 | ||
1284 | /** | |
d5d135b3 | 1285 | * _scsih_slave_alloc - device add routine |
635374e7 EM |
1286 | * @sdev: scsi device struct |
1287 | * | |
1288 | * Returns 0 if ok. Any other return is assumed to be an error and | |
1289 | * the device is ignored. | |
1290 | */ | |
1291 | static int | |
d5d135b3 | 1292 | _scsih_slave_alloc(struct scsi_device *sdev) |
635374e7 EM |
1293 | { |
1294 | struct Scsi_Host *shost; | |
1295 | struct MPT2SAS_ADAPTER *ioc; | |
1296 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
1297 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
1298 | struct scsi_target *starget; | |
1299 | struct _raid_device *raid_device; | |
635374e7 EM |
1300 | unsigned long flags; |
1301 | ||
1302 | sas_device_priv_data = kzalloc(sizeof(struct scsi_device), GFP_KERNEL); | |
1303 | if (!sas_device_priv_data) | |
1304 | return -ENOMEM; | |
1305 | ||
1306 | sas_device_priv_data->lun = sdev->lun; | |
1307 | sas_device_priv_data->flags = MPT_DEVICE_FLAGS_INIT; | |
1308 | ||
1309 | starget = scsi_target(sdev); | |
1310 | sas_target_priv_data = starget->hostdata; | |
1311 | sas_target_priv_data->num_luns++; | |
1312 | sas_device_priv_data->sas_target = sas_target_priv_data; | |
1313 | sdev->hostdata = sas_device_priv_data; | |
1314 | if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT)) | |
1315 | sdev->no_uld_attach = 1; | |
1316 | ||
1317 | shost = dev_to_shost(&starget->dev); | |
1318 | ioc = shost_priv(shost); | |
1319 | if (starget->channel == RAID_CHANNEL) { | |
1320 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1321 | raid_device = _scsih_raid_device_find_by_id(ioc, | |
1322 | starget->id, starget->channel); | |
1323 | if (raid_device) | |
1324 | raid_device->sdev = sdev; /* raid is single lun */ | |
1325 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
635374e7 EM |
1326 | } |
1327 | ||
635374e7 EM |
1328 | return 0; |
1329 | } | |
1330 | ||
1331 | /** | |
d5d135b3 | 1332 | * _scsih_slave_destroy - device destroy routine |
635374e7 EM |
1333 | * @sdev: scsi device struct |
1334 | * | |
1335 | * Returns nothing. | |
1336 | */ | |
1337 | static void | |
d5d135b3 | 1338 | _scsih_slave_destroy(struct scsi_device *sdev) |
635374e7 EM |
1339 | { |
1340 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
1341 | struct scsi_target *starget; | |
1342 | ||
1343 | if (!sdev->hostdata) | |
1344 | return; | |
1345 | ||
1346 | starget = scsi_target(sdev); | |
1347 | sas_target_priv_data = starget->hostdata; | |
1348 | sas_target_priv_data->num_luns--; | |
1349 | kfree(sdev->hostdata); | |
1350 | sdev->hostdata = NULL; | |
1351 | } | |
1352 | ||
1353 | /** | |
d5d135b3 | 1354 | * _scsih_display_sata_capabilities - sata capabilities |
635374e7 EM |
1355 | * @ioc: per adapter object |
1356 | * @sas_device: the sas_device object | |
1357 | * @sdev: scsi device struct | |
1358 | */ | |
1359 | static void | |
d5d135b3 | 1360 | _scsih_display_sata_capabilities(struct MPT2SAS_ADAPTER *ioc, |
635374e7 EM |
1361 | struct _sas_device *sas_device, struct scsi_device *sdev) |
1362 | { | |
1363 | Mpi2ConfigReply_t mpi_reply; | |
1364 | Mpi2SasDevicePage0_t sas_device_pg0; | |
1365 | u32 ioc_status; | |
1366 | u16 flags; | |
1367 | u32 device_info; | |
1368 | ||
1369 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
1370 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, sas_device->handle))) { | |
1371 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1372 | ioc->name, __FILE__, __LINE__, __func__); | |
1373 | return; | |
1374 | } | |
1375 | ||
1376 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
1377 | MPI2_IOCSTATUS_MASK; | |
1378 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
1379 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1380 | ioc->name, __FILE__, __LINE__, __func__); | |
1381 | return; | |
1382 | } | |
1383 | ||
1384 | flags = le16_to_cpu(sas_device_pg0.Flags); | |
e94f6747 | 1385 | device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); |
635374e7 EM |
1386 | |
1387 | sdev_printk(KERN_INFO, sdev, | |
1388 | "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), " | |
1389 | "sw_preserve(%s)\n", | |
1390 | (device_info & MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? "y" : "n", | |
1391 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED) ? "y" : "n", | |
1392 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY) ? "y" : | |
1393 | "n", | |
1394 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED) ? "y" : "n", | |
1395 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED) ? "y" : "n", | |
1396 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE) ? "y" : "n"); | |
1397 | } | |
1398 | ||
f7c95ef0 KD |
1399 | /** |
1400 | * _scsih_is_raid - return boolean indicating device is raid volume | |
1401 | * @dev the device struct object | |
1402 | */ | |
1403 | static int | |
1404 | _scsih_is_raid(struct device *dev) | |
1405 | { | |
1406 | struct scsi_device *sdev = to_scsi_device(dev); | |
1407 | ||
1408 | return (sdev->channel == RAID_CHANNEL) ? 1 : 0; | |
1409 | } | |
1410 | ||
1411 | /** | |
1412 | * _scsih_get_resync - get raid volume resync percent complete | |
1413 | * @dev the device struct object | |
1414 | */ | |
1415 | static void | |
1416 | _scsih_get_resync(struct device *dev) | |
1417 | { | |
1418 | struct scsi_device *sdev = to_scsi_device(dev); | |
1419 | struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host); | |
1420 | static struct _raid_device *raid_device; | |
1421 | unsigned long flags; | |
1422 | Mpi2RaidVolPage0_t vol_pg0; | |
1423 | Mpi2ConfigReply_t mpi_reply; | |
1424 | u32 volume_status_flags; | |
1425 | u8 percent_complete = 0; | |
1426 | ||
1427 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1428 | raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id, | |
1429 | sdev->channel); | |
1430 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
1431 | ||
1432 | if (!raid_device) | |
1433 | goto out; | |
1434 | ||
1435 | if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0, | |
1436 | MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, | |
1437 | sizeof(Mpi2RaidVolPage0_t))) { | |
1438 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1439 | ioc->name, __FILE__, __LINE__, __func__); | |
1440 | goto out; | |
1441 | } | |
1442 | ||
1443 | volume_status_flags = le32_to_cpu(vol_pg0.VolumeStatusFlags); | |
1444 | if (volume_status_flags & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) | |
1445 | percent_complete = raid_device->percent_complete; | |
1446 | out: | |
1447 | raid_set_resync(mpt2sas_raid_template, dev, percent_complete); | |
1448 | } | |
1449 | ||
1450 | /** | |
1451 | * _scsih_get_state - get raid volume level | |
1452 | * @dev the device struct object | |
1453 | */ | |
1454 | static void | |
1455 | _scsih_get_state(struct device *dev) | |
1456 | { | |
1457 | struct scsi_device *sdev = to_scsi_device(dev); | |
1458 | struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host); | |
1459 | static struct _raid_device *raid_device; | |
1460 | unsigned long flags; | |
1461 | Mpi2RaidVolPage0_t vol_pg0; | |
1462 | Mpi2ConfigReply_t mpi_reply; | |
1463 | u32 volstate; | |
1464 | enum raid_state state = RAID_STATE_UNKNOWN; | |
1465 | ||
1466 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1467 | raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id, | |
1468 | sdev->channel); | |
1469 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
1470 | ||
1471 | if (!raid_device) | |
1472 | goto out; | |
1473 | ||
1474 | if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0, | |
1475 | MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, | |
1476 | sizeof(Mpi2RaidVolPage0_t))) { | |
1477 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1478 | ioc->name, __FILE__, __LINE__, __func__); | |
1479 | goto out; | |
1480 | } | |
1481 | ||
1482 | volstate = le32_to_cpu(vol_pg0.VolumeStatusFlags); | |
1483 | if (volstate & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) { | |
1484 | state = RAID_STATE_RESYNCING; | |
1485 | goto out; | |
1486 | } | |
1487 | ||
1488 | switch (vol_pg0.VolumeState) { | |
1489 | case MPI2_RAID_VOL_STATE_OPTIMAL: | |
1490 | case MPI2_RAID_VOL_STATE_ONLINE: | |
1491 | state = RAID_STATE_ACTIVE; | |
1492 | break; | |
1493 | case MPI2_RAID_VOL_STATE_DEGRADED: | |
1494 | state = RAID_STATE_DEGRADED; | |
1495 | break; | |
1496 | case MPI2_RAID_VOL_STATE_FAILED: | |
1497 | case MPI2_RAID_VOL_STATE_MISSING: | |
1498 | state = RAID_STATE_OFFLINE; | |
1499 | break; | |
1500 | } | |
1501 | out: | |
1502 | raid_set_state(mpt2sas_raid_template, dev, state); | |
1503 | } | |
1504 | ||
1505 | /** | |
1506 | * _scsih_set_level - set raid level | |
1507 | * @sdev: scsi device struct | |
1508 | * @raid_device: raid_device object | |
1509 | */ | |
1510 | static void | |
1511 | _scsih_set_level(struct scsi_device *sdev, struct _raid_device *raid_device) | |
1512 | { | |
1513 | enum raid_level level = RAID_LEVEL_UNKNOWN; | |
1514 | ||
1515 | switch (raid_device->volume_type) { | |
1516 | case MPI2_RAID_VOL_TYPE_RAID0: | |
1517 | level = RAID_LEVEL_0; | |
1518 | break; | |
1519 | case MPI2_RAID_VOL_TYPE_RAID10: | |
1520 | level = RAID_LEVEL_10; | |
1521 | break; | |
1522 | case MPI2_RAID_VOL_TYPE_RAID1E: | |
1523 | level = RAID_LEVEL_1E; | |
1524 | break; | |
1525 | case MPI2_RAID_VOL_TYPE_RAID1: | |
1526 | level = RAID_LEVEL_1; | |
1527 | break; | |
1528 | } | |
1529 | ||
1530 | raid_set_level(mpt2sas_raid_template, &sdev->sdev_gendev, level); | |
1531 | } | |
1532 | ||
635374e7 EM |
1533 | /** |
1534 | * _scsih_get_volume_capabilities - volume capabilities | |
1535 | * @ioc: per adapter object | |
1536 | * @sas_device: the raid_device object | |
1537 | */ | |
1538 | static void | |
1539 | _scsih_get_volume_capabilities(struct MPT2SAS_ADAPTER *ioc, | |
1540 | struct _raid_device *raid_device) | |
1541 | { | |
1542 | Mpi2RaidVolPage0_t *vol_pg0; | |
1543 | Mpi2RaidPhysDiskPage0_t pd_pg0; | |
1544 | Mpi2SasDevicePage0_t sas_device_pg0; | |
1545 | Mpi2ConfigReply_t mpi_reply; | |
1546 | u16 sz; | |
1547 | u8 num_pds; | |
1548 | ||
1549 | if ((mpt2sas_config_get_number_pds(ioc, raid_device->handle, | |
1550 | &num_pds)) || !num_pds) { | |
1551 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1552 | ioc->name, __FILE__, __LINE__, __func__); | |
1553 | return; | |
1554 | } | |
1555 | ||
1556 | raid_device->num_pds = num_pds; | |
1557 | sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds * | |
1558 | sizeof(Mpi2RaidVol0PhysDisk_t)); | |
1559 | vol_pg0 = kzalloc(sz, GFP_KERNEL); | |
1560 | if (!vol_pg0) { | |
1561 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1562 | ioc->name, __FILE__, __LINE__, __func__); | |
1563 | return; | |
1564 | } | |
1565 | ||
1566 | if ((mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0, | |
1567 | MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) { | |
1568 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1569 | ioc->name, __FILE__, __LINE__, __func__); | |
1570 | kfree(vol_pg0); | |
1571 | return; | |
1572 | } | |
1573 | ||
1574 | raid_device->volume_type = vol_pg0->VolumeType; | |
1575 | ||
1576 | /* figure out what the underlying devices are by | |
1577 | * obtaining the device_info bits for the 1st device | |
1578 | */ | |
1579 | if (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply, | |
1580 | &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM, | |
1581 | vol_pg0->PhysDisk[0].PhysDiskNum))) { | |
1582 | if (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, | |
1583 | &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, | |
1584 | le16_to_cpu(pd_pg0.DevHandle)))) { | |
1585 | raid_device->device_info = | |
1586 | le32_to_cpu(sas_device_pg0.DeviceInfo); | |
1587 | } | |
1588 | } | |
1589 | ||
1590 | kfree(vol_pg0); | |
1591 | } | |
1592 | ||
84f0b04a KD |
1593 | /** |
1594 | * _scsih_enable_tlr - setting TLR flags | |
1595 | * @ioc: per adapter object | |
1596 | * @sdev: scsi device struct | |
1597 | * | |
1598 | * Enabling Transaction Layer Retries for tape devices when | |
1599 | * vpd page 0x90 is present | |
1600 | * | |
1601 | */ | |
1602 | static void | |
1603 | _scsih_enable_tlr(struct MPT2SAS_ADAPTER *ioc, struct scsi_device *sdev) | |
1604 | { | |
1605 | /* only for TAPE */ | |
1606 | if (sdev->type != TYPE_TAPE) | |
1607 | return; | |
1608 | ||
1609 | if (!(ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR)) | |
1610 | return; | |
1611 | ||
1612 | sas_enable_tlr(sdev); | |
1613 | sdev_printk(KERN_INFO, sdev, "TLR %s\n", | |
1614 | sas_is_tlr_enabled(sdev) ? "Enabled" : "Disabled"); | |
1615 | return; | |
1616 | ||
1617 | } | |
1618 | ||
635374e7 | 1619 | /** |
d5d135b3 | 1620 | * _scsih_slave_configure - device configure routine. |
635374e7 EM |
1621 | * @sdev: scsi device struct |
1622 | * | |
1623 | * Returns 0 if ok. Any other return is assumed to be an error and | |
1624 | * the device is ignored. | |
1625 | */ | |
1626 | static int | |
d5d135b3 | 1627 | _scsih_slave_configure(struct scsi_device *sdev) |
635374e7 EM |
1628 | { |
1629 | struct Scsi_Host *shost = sdev->host; | |
1630 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
1631 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
1632 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
1633 | struct _sas_device *sas_device; | |
1634 | struct _raid_device *raid_device; | |
1635 | unsigned long flags; | |
1636 | int qdepth; | |
1637 | u8 ssp_target = 0; | |
1638 | char *ds = ""; | |
1639 | char *r_level = ""; | |
1640 | ||
1641 | qdepth = 1; | |
1642 | sas_device_priv_data = sdev->hostdata; | |
1643 | sas_device_priv_data->configured_lun = 1; | |
1644 | sas_device_priv_data->flags &= ~MPT_DEVICE_FLAGS_INIT; | |
1645 | sas_target_priv_data = sas_device_priv_data->sas_target; | |
1646 | ||
1647 | /* raid volume handling */ | |
1648 | if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME) { | |
1649 | ||
1650 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1651 | raid_device = _scsih_raid_device_find_by_handle(ioc, | |
1652 | sas_target_priv_data->handle); | |
1653 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
1654 | if (!raid_device) { | |
1655 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1656 | ioc->name, __FILE__, __LINE__, __func__); | |
1657 | return 0; | |
1658 | } | |
1659 | ||
1660 | _scsih_get_volume_capabilities(ioc, raid_device); | |
1661 | ||
1662 | /* RAID Queue Depth Support | |
1663 | * IS volume = underlying qdepth of drive type, either | |
1664 | * MPT2SAS_SAS_QUEUE_DEPTH or MPT2SAS_SATA_QUEUE_DEPTH | |
1665 | * IM/IME/R10 = 128 (MPT2SAS_RAID_QUEUE_DEPTH) | |
1666 | */ | |
1667 | if (raid_device->device_info & | |
1668 | MPI2_SAS_DEVICE_INFO_SSP_TARGET) { | |
1669 | qdepth = MPT2SAS_SAS_QUEUE_DEPTH; | |
1670 | ds = "SSP"; | |
1671 | } else { | |
1672 | qdepth = MPT2SAS_SATA_QUEUE_DEPTH; | |
1673 | if (raid_device->device_info & | |
1674 | MPI2_SAS_DEVICE_INFO_SATA_DEVICE) | |
1675 | ds = "SATA"; | |
1676 | else | |
1677 | ds = "STP"; | |
1678 | } | |
1679 | ||
1680 | switch (raid_device->volume_type) { | |
1681 | case MPI2_RAID_VOL_TYPE_RAID0: | |
1682 | r_level = "RAID0"; | |
1683 | break; | |
1684 | case MPI2_RAID_VOL_TYPE_RAID1E: | |
1685 | qdepth = MPT2SAS_RAID_QUEUE_DEPTH; | |
ed79f128 KD |
1686 | if (ioc->manu_pg10.OEMIdentifier && |
1687 | (ioc->manu_pg10.GenericFlags0 & | |
1688 | MFG10_GF0_R10_DISPLAY) && | |
1689 | !(raid_device->num_pds % 2)) | |
1690 | r_level = "RAID10"; | |
1691 | else | |
1692 | r_level = "RAID1E"; | |
635374e7 EM |
1693 | break; |
1694 | case MPI2_RAID_VOL_TYPE_RAID1: | |
1695 | qdepth = MPT2SAS_RAID_QUEUE_DEPTH; | |
1696 | r_level = "RAID1"; | |
1697 | break; | |
1698 | case MPI2_RAID_VOL_TYPE_RAID10: | |
1699 | qdepth = MPT2SAS_RAID_QUEUE_DEPTH; | |
1700 | r_level = "RAID10"; | |
1701 | break; | |
1702 | case MPI2_RAID_VOL_TYPE_UNKNOWN: | |
1703 | default: | |
1704 | qdepth = MPT2SAS_RAID_QUEUE_DEPTH; | |
1705 | r_level = "RAIDX"; | |
1706 | break; | |
1707 | } | |
1708 | ||
1709 | sdev_printk(KERN_INFO, sdev, "%s: " | |
1710 | "handle(0x%04x), wwid(0x%016llx), pd_count(%d), type(%s)\n", | |
1711 | r_level, raid_device->handle, | |
1712 | (unsigned long long)raid_device->wwid, | |
1713 | raid_device->num_pds, ds); | |
e881a172 | 1714 | _scsih_change_queue_depth(sdev, qdepth, SCSI_QDEPTH_DEFAULT); |
f7c95ef0 KD |
1715 | /* raid transport support */ |
1716 | _scsih_set_level(sdev, raid_device); | |
635374e7 EM |
1717 | return 0; |
1718 | } | |
1719 | ||
1720 | /* non-raid handling */ | |
1721 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
1722 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
1723 | sas_device_priv_data->sas_target->sas_address); | |
1724 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
1725 | if (sas_device) { | |
1726 | if (sas_target_priv_data->flags & | |
1727 | MPT_TARGET_FLAGS_RAID_COMPONENT) { | |
1728 | mpt2sas_config_get_volume_handle(ioc, | |
1729 | sas_device->handle, &sas_device->volume_handle); | |
1730 | mpt2sas_config_get_volume_wwid(ioc, | |
1731 | sas_device->volume_handle, | |
1732 | &sas_device->volume_wwid); | |
1733 | } | |
1734 | if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) { | |
1735 | qdepth = MPT2SAS_SAS_QUEUE_DEPTH; | |
1736 | ssp_target = 1; | |
1737 | ds = "SSP"; | |
1738 | } else { | |
1739 | qdepth = MPT2SAS_SATA_QUEUE_DEPTH; | |
1740 | if (sas_device->device_info & | |
1741 | MPI2_SAS_DEVICE_INFO_STP_TARGET) | |
1742 | ds = "STP"; | |
1743 | else if (sas_device->device_info & | |
1744 | MPI2_SAS_DEVICE_INFO_SATA_DEVICE) | |
1745 | ds = "SATA"; | |
1746 | } | |
1747 | ||
1748 | sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), " | |
1749 | "sas_addr(0x%016llx), device_name(0x%016llx)\n", | |
1750 | ds, sas_device->handle, | |
1751 | (unsigned long long)sas_device->sas_address, | |
1752 | (unsigned long long)sas_device->device_name); | |
1753 | sdev_printk(KERN_INFO, sdev, "%s: " | |
1754 | "enclosure_logical_id(0x%016llx), slot(%d)\n", ds, | |
1755 | (unsigned long long) sas_device->enclosure_logical_id, | |
1756 | sas_device->slot); | |
1757 | ||
1758 | if (!ssp_target) | |
d5d135b3 | 1759 | _scsih_display_sata_capabilities(ioc, sas_device, sdev); |
635374e7 EM |
1760 | } |
1761 | ||
e881a172 | 1762 | _scsih_change_queue_depth(sdev, qdepth, SCSI_QDEPTH_DEFAULT); |
635374e7 | 1763 | |
84f0b04a | 1764 | if (ssp_target) { |
635374e7 | 1765 | sas_read_port_mode_page(sdev); |
84f0b04a KD |
1766 | _scsih_enable_tlr(ioc, sdev); |
1767 | } | |
635374e7 EM |
1768 | return 0; |
1769 | } | |
1770 | ||
1771 | /** | |
d5d135b3 | 1772 | * _scsih_bios_param - fetch head, sector, cylinder info for a disk |
635374e7 EM |
1773 | * @sdev: scsi device struct |
1774 | * @bdev: pointer to block device context | |
1775 | * @capacity: device size (in 512 byte sectors) | |
1776 | * @params: three element array to place output: | |
1777 | * params[0] number of heads (max 255) | |
1778 | * params[1] number of sectors (max 63) | |
1779 | * params[2] number of cylinders | |
1780 | * | |
1781 | * Return nothing. | |
1782 | */ | |
1783 | static int | |
d5d135b3 | 1784 | _scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev, |
635374e7 EM |
1785 | sector_t capacity, int params[]) |
1786 | { | |
1787 | int heads; | |
1788 | int sectors; | |
1789 | sector_t cylinders; | |
1790 | ulong dummy; | |
1791 | ||
1792 | heads = 64; | |
1793 | sectors = 32; | |
1794 | ||
1795 | dummy = heads * sectors; | |
1796 | cylinders = capacity; | |
1797 | sector_div(cylinders, dummy); | |
1798 | ||
1799 | /* | |
1800 | * Handle extended translation size for logical drives | |
1801 | * > 1Gb | |
1802 | */ | |
1803 | if ((ulong)capacity >= 0x200000) { | |
1804 | heads = 255; | |
1805 | sectors = 63; | |
1806 | dummy = heads * sectors; | |
1807 | cylinders = capacity; | |
1808 | sector_div(cylinders, dummy); | |
1809 | } | |
1810 | ||
1811 | /* return result */ | |
1812 | params[0] = heads; | |
1813 | params[1] = sectors; | |
1814 | params[2] = cylinders; | |
1815 | ||
1816 | return 0; | |
1817 | } | |
1818 | ||
1819 | /** | |
1820 | * _scsih_response_code - translation of device response code | |
1821 | * @ioc: per adapter object | |
1822 | * @response_code: response code returned by the device | |
1823 | * | |
1824 | * Return nothing. | |
1825 | */ | |
1826 | static void | |
1827 | _scsih_response_code(struct MPT2SAS_ADAPTER *ioc, u8 response_code) | |
1828 | { | |
1829 | char *desc; | |
1830 | ||
1831 | switch (response_code) { | |
1832 | case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE: | |
1833 | desc = "task management request completed"; | |
1834 | break; | |
1835 | case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME: | |
1836 | desc = "invalid frame"; | |
1837 | break; | |
1838 | case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED: | |
1839 | desc = "task management request not supported"; | |
1840 | break; | |
1841 | case MPI2_SCSITASKMGMT_RSP_TM_FAILED: | |
1842 | desc = "task management request failed"; | |
1843 | break; | |
1844 | case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED: | |
1845 | desc = "task management request succeeded"; | |
1846 | break; | |
1847 | case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN: | |
1848 | desc = "invalid lun"; | |
1849 | break; | |
1850 | case 0xA: | |
1851 | desc = "overlapped tag attempted"; | |
1852 | break; | |
1853 | case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC: | |
1854 | desc = "task queued, however not sent to target"; | |
1855 | break; | |
1856 | default: | |
1857 | desc = "unknown"; | |
1858 | break; | |
1859 | } | |
1860 | printk(MPT2SAS_WARN_FMT "response_code(0x%01x): %s\n", | |
1861 | ioc->name, response_code, desc); | |
1862 | } | |
1863 | ||
1864 | /** | |
d5d135b3 | 1865 | * _scsih_tm_done - tm completion routine |
635374e7 EM |
1866 | * @ioc: per adapter object |
1867 | * @smid: system request message index | |
7b936b02 | 1868 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
1869 | * @reply: reply message frame(lower 32bit addr) |
1870 | * Context: none. | |
1871 | * | |
1872 | * The callback handler when using scsih_issue_tm. | |
1873 | * | |
77e63ed4 KD |
1874 | * Return 1 meaning mf should be freed from _base_interrupt |
1875 | * 0 means the mf is freed from this function. | |
635374e7 | 1876 | */ |
77e63ed4 | 1877 | static u8 |
7b936b02 | 1878 | _scsih_tm_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) |
635374e7 EM |
1879 | { |
1880 | MPI2DefaultReply_t *mpi_reply; | |
1881 | ||
1882 | if (ioc->tm_cmds.status == MPT2_CMD_NOT_USED) | |
77e63ed4 | 1883 | return 1; |
635374e7 | 1884 | if (ioc->tm_cmds.smid != smid) |
77e63ed4 | 1885 | return 1; |
635374e7 EM |
1886 | ioc->tm_cmds.status |= MPT2_CMD_COMPLETE; |
1887 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
1888 | if (mpi_reply) { | |
1889 | memcpy(ioc->tm_cmds.reply, mpi_reply, mpi_reply->MsgLength*4); | |
1890 | ioc->tm_cmds.status |= MPT2_CMD_REPLY_VALID; | |
1891 | } | |
1892 | ioc->tm_cmds.status &= ~MPT2_CMD_PENDING; | |
1893 | complete(&ioc->tm_cmds.done); | |
77e63ed4 | 1894 | return 1; |
635374e7 EM |
1895 | } |
1896 | ||
1897 | /** | |
1898 | * mpt2sas_scsih_set_tm_flag - set per target tm_busy | |
1899 | * @ioc: per adapter object | |
1900 | * @handle: device handle | |
1901 | * | |
1902 | * During taskmangement request, we need to freeze the device queue. | |
1903 | */ | |
1904 | void | |
1905 | mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
1906 | { | |
1907 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
1908 | struct scsi_device *sdev; | |
1909 | u8 skip = 0; | |
1910 | ||
1911 | shost_for_each_device(sdev, ioc->shost) { | |
1912 | if (skip) | |
1913 | continue; | |
1914 | sas_device_priv_data = sdev->hostdata; | |
1915 | if (!sas_device_priv_data) | |
1916 | continue; | |
1917 | if (sas_device_priv_data->sas_target->handle == handle) { | |
1918 | sas_device_priv_data->sas_target->tm_busy = 1; | |
1919 | skip = 1; | |
1920 | ioc->ignore_loginfos = 1; | |
1921 | } | |
1922 | } | |
1923 | } | |
1924 | ||
1925 | /** | |
1926 | * mpt2sas_scsih_clear_tm_flag - clear per target tm_busy | |
1927 | * @ioc: per adapter object | |
1928 | * @handle: device handle | |
1929 | * | |
1930 | * During taskmangement request, we need to freeze the device queue. | |
1931 | */ | |
1932 | void | |
1933 | mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
1934 | { | |
1935 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
1936 | struct scsi_device *sdev; | |
1937 | u8 skip = 0; | |
1938 | ||
1939 | shost_for_each_device(sdev, ioc->shost) { | |
1940 | if (skip) | |
1941 | continue; | |
1942 | sas_device_priv_data = sdev->hostdata; | |
1943 | if (!sas_device_priv_data) | |
1944 | continue; | |
1945 | if (sas_device_priv_data->sas_target->handle == handle) { | |
1946 | sas_device_priv_data->sas_target->tm_busy = 0; | |
1947 | skip = 1; | |
1948 | ioc->ignore_loginfos = 0; | |
1949 | } | |
1950 | } | |
1951 | } | |
1952 | ||
8ed9a03a | 1953 | |
635374e7 EM |
1954 | /** |
1955 | * mpt2sas_scsih_issue_tm - main routine for sending tm requests | |
1956 | * @ioc: per adapter struct | |
1957 | * @device_handle: device handle | |
8ed9a03a KD |
1958 | * @channel: the channel assigned by the OS |
1959 | * @id: the id assigned by the OS | |
635374e7 EM |
1960 | * @lun: lun number |
1961 | * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h) | |
1962 | * @smid_task: smid assigned to the task | |
1963 | * @timeout: timeout in seconds | |
8ed9a03a | 1964 | * Context: user |
635374e7 EM |
1965 | * |
1966 | * A generic API for sending task management requests to firmware. | |
1967 | * | |
635374e7 EM |
1968 | * The callback index is set inside `ioc->tm_cb_idx`. |
1969 | * | |
8ed9a03a | 1970 | * Return SUCCESS or FAILED. |
635374e7 | 1971 | */ |
8ed9a03a KD |
1972 | int |
1973 | mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint channel, | |
1974 | uint id, uint lun, u8 type, u16 smid_task, ulong timeout, | |
1975 | struct scsi_cmnd *scmd) | |
635374e7 EM |
1976 | { |
1977 | Mpi2SCSITaskManagementRequest_t *mpi_request; | |
1978 | Mpi2SCSITaskManagementReply_t *mpi_reply; | |
1979 | u16 smid = 0; | |
1980 | u32 ioc_state; | |
1981 | unsigned long timeleft; | |
8ed9a03a KD |
1982 | struct scsi_cmnd *scmd_lookup; |
1983 | int rc; | |
635374e7 | 1984 | |
8ed9a03a | 1985 | mutex_lock(&ioc->tm_cmds.mutex); |
155dd4c7 KD |
1986 | if (ioc->tm_cmds.status != MPT2_CMD_NOT_USED) { |
1987 | printk(MPT2SAS_INFO_FMT "%s: tm_cmd busy!!!\n", | |
1988 | __func__, ioc->name); | |
8ed9a03a KD |
1989 | rc = FAILED; |
1990 | goto err_out; | |
155dd4c7 KD |
1991 | } |
1992 | ||
6558bbb1 | 1993 | if (ioc->shost_recovery || ioc->remove_host) { |
635374e7 EM |
1994 | printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", |
1995 | __func__, ioc->name); | |
8ed9a03a KD |
1996 | rc = FAILED; |
1997 | goto err_out; | |
635374e7 | 1998 | } |
635374e7 EM |
1999 | |
2000 | ioc_state = mpt2sas_base_get_iocstate(ioc, 0); | |
2001 | if (ioc_state & MPI2_DOORBELL_USED) { | |
2002 | dhsprintk(ioc, printk(MPT2SAS_DEBUG_FMT "unexpected doorbell " | |
2003 | "active!\n", ioc->name)); | |
8ed9a03a KD |
2004 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, |
2005 | FORCE_BIG_HAMMER); | |
2006 | rc = SUCCESS; | |
2007 | goto err_out; | |
635374e7 EM |
2008 | } |
2009 | ||
2010 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { | |
2011 | mpt2sas_base_fault_info(ioc, ioc_state & | |
2012 | MPI2_DOORBELL_DATA_MASK); | |
8ed9a03a KD |
2013 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, |
2014 | FORCE_BIG_HAMMER); | |
2015 | rc = SUCCESS; | |
2016 | goto err_out; | |
635374e7 EM |
2017 | } |
2018 | ||
595bb0bd | 2019 | smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx); |
635374e7 EM |
2020 | if (!smid) { |
2021 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
2022 | ioc->name, __func__); | |
8ed9a03a KD |
2023 | rc = FAILED; |
2024 | goto err_out; | |
635374e7 EM |
2025 | } |
2026 | ||
2027 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "sending tm: handle(0x%04x)," | |
595bb0bd KD |
2028 | " task_type(0x%02x), smid(%d)\n", ioc->name, handle, type, |
2029 | smid_task)); | |
635374e7 EM |
2030 | ioc->tm_cmds.status = MPT2_CMD_PENDING; |
2031 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
2032 | ioc->tm_cmds.smid = smid; | |
2033 | memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t)); | |
2034 | mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; | |
2035 | mpi_request->DevHandle = cpu_to_le16(handle); | |
2036 | mpi_request->TaskType = type; | |
2037 | mpi_request->TaskMID = cpu_to_le16(smid_task); | |
2038 | int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN); | |
2039 | mpt2sas_scsih_set_tm_flag(ioc, handle); | |
5b768581 | 2040 | init_completion(&ioc->tm_cmds.done); |
7b936b02 | 2041 | mpt2sas_base_put_smid_hi_priority(ioc, smid); |
635374e7 | 2042 | timeleft = wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ); |
635374e7 EM |
2043 | if (!(ioc->tm_cmds.status & MPT2_CMD_COMPLETE)) { |
2044 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
2045 | ioc->name, __func__); | |
2046 | _debug_dump_mf(mpi_request, | |
2047 | sizeof(Mpi2SCSITaskManagementRequest_t)/4); | |
8ed9a03a KD |
2048 | if (!(ioc->tm_cmds.status & MPT2_CMD_RESET)) { |
2049 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
2050 | FORCE_BIG_HAMMER); | |
2051 | rc = SUCCESS; | |
2052 | ioc->tm_cmds.status = MPT2_CMD_NOT_USED; | |
2053 | mpt2sas_scsih_clear_tm_flag(ioc, handle); | |
2054 | goto err_out; | |
2055 | } | |
635374e7 EM |
2056 | } |
2057 | ||
2058 | if (ioc->tm_cmds.status & MPT2_CMD_REPLY_VALID) { | |
2059 | mpi_reply = ioc->tm_cmds.reply; | |
2060 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "complete tm: " | |
2061 | "ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n", | |
2062 | ioc->name, le16_to_cpu(mpi_reply->IOCStatus), | |
2063 | le32_to_cpu(mpi_reply->IOCLogInfo), | |
2064 | le32_to_cpu(mpi_reply->TerminationCount))); | |
8ed9a03a | 2065 | if (ioc->logging_level & MPT_DEBUG_TM) { |
635374e7 | 2066 | _scsih_response_code(ioc, mpi_reply->ResponseCode); |
8ed9a03a KD |
2067 | if (mpi_reply->IOCStatus) |
2068 | _debug_dump_mf(mpi_request, | |
2069 | sizeof(Mpi2SCSITaskManagementRequest_t)/4); | |
2070 | } | |
635374e7 | 2071 | } |
8ed9a03a KD |
2072 | |
2073 | /* sanity check: | |
2074 | * Check to see the commands were terminated. | |
2075 | * This is only needed for eh callbacks, hence the scmd check. | |
2076 | */ | |
2077 | rc = FAILED; | |
2078 | if (scmd == NULL) | |
2079 | goto bypass_sanity_checks; | |
2080 | switch (type) { | |
2081 | case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK: | |
2082 | scmd_lookup = _scsih_scsi_lookup_get(ioc, smid_task); | |
2083 | if (scmd_lookup && (scmd_lookup->serial_number == | |
2084 | scmd->serial_number)) | |
2085 | rc = FAILED; | |
2086 | else | |
2087 | rc = SUCCESS; | |
2088 | break; | |
2089 | ||
2090 | case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET: | |
2091 | if (_scsih_scsi_lookup_find_by_target(ioc, id, channel)) | |
2092 | rc = FAILED; | |
2093 | else | |
2094 | rc = SUCCESS; | |
2095 | break; | |
2096 | ||
2097 | case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET: | |
2098 | if (_scsih_scsi_lookup_find_by_lun(ioc, id, lun, channel)) | |
2099 | rc = FAILED; | |
2100 | else | |
2101 | rc = SUCCESS; | |
2102 | break; | |
2103 | } | |
2104 | ||
2105 | bypass_sanity_checks: | |
2106 | ||
2107 | mpt2sas_scsih_clear_tm_flag(ioc, handle); | |
2108 | ioc->tm_cmds.status = MPT2_CMD_NOT_USED; | |
2109 | mutex_unlock(&ioc->tm_cmds.mutex); | |
2110 | ||
2111 | return rc; | |
2112 | ||
2113 | err_out: | |
2114 | mutex_unlock(&ioc->tm_cmds.mutex); | |
2115 | return rc; | |
635374e7 EM |
2116 | } |
2117 | ||
2118 | /** | |
d5d135b3 | 2119 | * _scsih_abort - eh threads main abort routine |
635374e7 EM |
2120 | * @sdev: scsi device struct |
2121 | * | |
2122 | * Returns SUCCESS if command aborted else FAILED | |
2123 | */ | |
2124 | static int | |
d5d135b3 | 2125 | _scsih_abort(struct scsi_cmnd *scmd) |
635374e7 EM |
2126 | { |
2127 | struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); | |
2128 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
2129 | u16 smid; | |
2130 | u16 handle; | |
2131 | int r; | |
635374e7 EM |
2132 | |
2133 | printk(MPT2SAS_INFO_FMT "attempting task abort! scmd(%p)\n", | |
2134 | ioc->name, scmd); | |
2135 | scsi_print_command(scmd); | |
2136 | ||
2137 | sas_device_priv_data = scmd->device->hostdata; | |
2138 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { | |
2139 | printk(MPT2SAS_INFO_FMT "device been deleted! scmd(%p)\n", | |
2140 | ioc->name, scmd); | |
2141 | scmd->result = DID_NO_CONNECT << 16; | |
2142 | scmd->scsi_done(scmd); | |
2143 | r = SUCCESS; | |
2144 | goto out; | |
2145 | } | |
2146 | ||
2147 | /* search for the command */ | |
2148 | smid = _scsih_scsi_lookup_find_by_scmd(ioc, scmd); | |
2149 | if (!smid) { | |
2150 | scmd->result = DID_RESET << 16; | |
2151 | r = SUCCESS; | |
2152 | goto out; | |
2153 | } | |
2154 | ||
2155 | /* for hidden raid components and volumes this is not supported */ | |
2156 | if (sas_device_priv_data->sas_target->flags & | |
2157 | MPT_TARGET_FLAGS_RAID_COMPONENT || | |
2158 | sas_device_priv_data->sas_target->flags & MPT_TARGET_FLAGS_VOLUME) { | |
2159 | scmd->result = DID_RESET << 16; | |
2160 | r = FAILED; | |
2161 | goto out; | |
2162 | } | |
2163 | ||
fa7f3167 KD |
2164 | mpt2sas_halt_firmware(ioc); |
2165 | ||
635374e7 | 2166 | handle = sas_device_priv_data->sas_target->handle; |
8ed9a03a KD |
2167 | r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel, |
2168 | scmd->device->id, scmd->device->lun, | |
2169 | MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30, scmd); | |
635374e7 EM |
2170 | |
2171 | out: | |
2172 | printk(MPT2SAS_INFO_FMT "task abort: %s scmd(%p)\n", | |
2173 | ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); | |
2174 | return r; | |
2175 | } | |
2176 | ||
635374e7 | 2177 | /** |
d5d135b3 | 2178 | * _scsih_dev_reset - eh threads main device reset routine |
635374e7 EM |
2179 | * @sdev: scsi device struct |
2180 | * | |
2181 | * Returns SUCCESS if command aborted else FAILED | |
2182 | */ | |
2183 | static int | |
d5d135b3 | 2184 | _scsih_dev_reset(struct scsi_cmnd *scmd) |
635374e7 EM |
2185 | { |
2186 | struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); | |
2187 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
2188 | struct _sas_device *sas_device; | |
2189 | unsigned long flags; | |
2190 | u16 handle; | |
2191 | int r; | |
2192 | ||
993e0da7 | 2193 | printk(MPT2SAS_INFO_FMT "attempting device reset! scmd(%p)\n", |
635374e7 EM |
2194 | ioc->name, scmd); |
2195 | scsi_print_command(scmd); | |
2196 | ||
2197 | sas_device_priv_data = scmd->device->hostdata; | |
2198 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { | |
2199 | printk(MPT2SAS_INFO_FMT "device been deleted! scmd(%p)\n", | |
2200 | ioc->name, scmd); | |
2201 | scmd->result = DID_NO_CONNECT << 16; | |
2202 | scmd->scsi_done(scmd); | |
2203 | r = SUCCESS; | |
2204 | goto out; | |
2205 | } | |
2206 | ||
2207 | /* for hidden raid components obtain the volume_handle */ | |
2208 | handle = 0; | |
2209 | if (sas_device_priv_data->sas_target->flags & | |
2210 | MPT_TARGET_FLAGS_RAID_COMPONENT) { | |
2211 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
2212 | sas_device = _scsih_sas_device_find_by_handle(ioc, | |
2213 | sas_device_priv_data->sas_target->handle); | |
2214 | if (sas_device) | |
2215 | handle = sas_device->volume_handle; | |
2216 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
2217 | } else | |
2218 | handle = sas_device_priv_data->sas_target->handle; | |
2219 | ||
2220 | if (!handle) { | |
2221 | scmd->result = DID_RESET << 16; | |
2222 | r = FAILED; | |
2223 | goto out; | |
2224 | } | |
2225 | ||
8ed9a03a KD |
2226 | r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel, |
2227 | scmd->device->id, scmd->device->lun, | |
2228 | MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 0, 30, scmd); | |
993e0da7 EM |
2229 | |
2230 | out: | |
2231 | printk(MPT2SAS_INFO_FMT "device reset: %s scmd(%p)\n", | |
2232 | ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); | |
2233 | return r; | |
2234 | } | |
2235 | ||
2236 | /** | |
d5d135b3 | 2237 | * _scsih_target_reset - eh threads main target reset routine |
993e0da7 EM |
2238 | * @sdev: scsi device struct |
2239 | * | |
2240 | * Returns SUCCESS if command aborted else FAILED | |
2241 | */ | |
2242 | static int | |
d5d135b3 | 2243 | _scsih_target_reset(struct scsi_cmnd *scmd) |
993e0da7 EM |
2244 | { |
2245 | struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); | |
2246 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
2247 | struct _sas_device *sas_device; | |
2248 | unsigned long flags; | |
2249 | u16 handle; | |
2250 | int r; | |
2251 | ||
2252 | printk(MPT2SAS_INFO_FMT "attempting target reset! scmd(%p)\n", | |
2253 | ioc->name, scmd); | |
2254 | scsi_print_command(scmd); | |
2255 | ||
2256 | sas_device_priv_data = scmd->device->hostdata; | |
2257 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { | |
2258 | printk(MPT2SAS_INFO_FMT "target been deleted! scmd(%p)\n", | |
2259 | ioc->name, scmd); | |
2260 | scmd->result = DID_NO_CONNECT << 16; | |
2261 | scmd->scsi_done(scmd); | |
2262 | r = SUCCESS; | |
2263 | goto out; | |
2264 | } | |
2265 | ||
2266 | /* for hidden raid components obtain the volume_handle */ | |
2267 | handle = 0; | |
2268 | if (sas_device_priv_data->sas_target->flags & | |
2269 | MPT_TARGET_FLAGS_RAID_COMPONENT) { | |
2270 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
2271 | sas_device = _scsih_sas_device_find_by_handle(ioc, | |
2272 | sas_device_priv_data->sas_target->handle); | |
2273 | if (sas_device) | |
2274 | handle = sas_device->volume_handle; | |
2275 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
2276 | } else | |
2277 | handle = sas_device_priv_data->sas_target->handle; | |
2278 | ||
2279 | if (!handle) { | |
2280 | scmd->result = DID_RESET << 16; | |
2281 | r = FAILED; | |
2282 | goto out; | |
2283 | } | |
2284 | ||
8ed9a03a KD |
2285 | r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel, |
2286 | scmd->device->id, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, | |
2287 | 30, scmd); | |
635374e7 EM |
2288 | |
2289 | out: | |
2290 | printk(MPT2SAS_INFO_FMT "target reset: %s scmd(%p)\n", | |
2291 | ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); | |
2292 | return r; | |
2293 | } | |
2294 | ||
2295 | /** | |
595bb0bd | 2296 | * _scsih_host_reset - eh threads main host reset routine |
635374e7 EM |
2297 | * @sdev: scsi device struct |
2298 | * | |
2299 | * Returns SUCCESS if command aborted else FAILED | |
2300 | */ | |
2301 | static int | |
d5d135b3 | 2302 | _scsih_host_reset(struct scsi_cmnd *scmd) |
635374e7 EM |
2303 | { |
2304 | struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); | |
2305 | int r, retval; | |
2306 | ||
2307 | printk(MPT2SAS_INFO_FMT "attempting host reset! scmd(%p)\n", | |
2308 | ioc->name, scmd); | |
2309 | scsi_print_command(scmd); | |
2310 | ||
2311 | retval = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
2312 | FORCE_BIG_HAMMER); | |
2313 | r = (retval < 0) ? FAILED : SUCCESS; | |
2314 | printk(MPT2SAS_INFO_FMT "host reset: %s scmd(%p)\n", | |
2315 | ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); | |
2316 | ||
2317 | return r; | |
2318 | } | |
2319 | ||
2320 | /** | |
2321 | * _scsih_fw_event_add - insert and queue up fw_event | |
2322 | * @ioc: per adapter object | |
2323 | * @fw_event: object describing the event | |
2324 | * Context: This function will acquire ioc->fw_event_lock. | |
2325 | * | |
2326 | * This adds the firmware event object into link list, then queues it up to | |
2327 | * be processed from user context. | |
2328 | * | |
2329 | * Return nothing. | |
2330 | */ | |
2331 | static void | |
2332 | _scsih_fw_event_add(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work *fw_event) | |
2333 | { | |
2334 | unsigned long flags; | |
2335 | ||
2336 | if (ioc->firmware_event_thread == NULL) | |
2337 | return; | |
2338 | ||
2339 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
2340 | list_add_tail(&fw_event->list, &ioc->fw_event_list); | |
f1c35e6a KD |
2341 | INIT_DELAYED_WORK(&fw_event->delayed_work, _firmware_event_work); |
2342 | queue_delayed_work(ioc->firmware_event_thread, | |
2343 | &fw_event->delayed_work, 0); | |
635374e7 EM |
2344 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); |
2345 | } | |
2346 | ||
2347 | /** | |
2348 | * _scsih_fw_event_free - delete fw_event | |
2349 | * @ioc: per adapter object | |
2350 | * @fw_event: object describing the event | |
2351 | * Context: This function will acquire ioc->fw_event_lock. | |
2352 | * | |
2353 | * This removes firmware event object from link list, frees associated memory. | |
2354 | * | |
2355 | * Return nothing. | |
2356 | */ | |
2357 | static void | |
2358 | _scsih_fw_event_free(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work | |
2359 | *fw_event) | |
2360 | { | |
2361 | unsigned long flags; | |
2362 | ||
2363 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
2364 | list_del(&fw_event->list); | |
2365 | kfree(fw_event->event_data); | |
2366 | kfree(fw_event); | |
2367 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
2368 | } | |
2369 | ||
f1c35e6a | 2370 | |
635374e7 | 2371 | /** |
f1c35e6a | 2372 | * _scsih_queue_rescan - queue a topology rescan from user context |
635374e7 | 2373 | * @ioc: per adapter object |
635374e7 EM |
2374 | * |
2375 | * Return nothing. | |
2376 | */ | |
2377 | static void | |
f1c35e6a | 2378 | _scsih_queue_rescan(struct MPT2SAS_ADAPTER *ioc) |
635374e7 | 2379 | { |
f1c35e6a | 2380 | struct fw_event_work *fw_event; |
635374e7 | 2381 | |
f1c35e6a KD |
2382 | if (ioc->wait_for_port_enable_to_complete) |
2383 | return; | |
2384 | fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC); | |
2385 | if (!fw_event) | |
2386 | return; | |
2387 | fw_event->event = MPT2SAS_RESCAN_AFTER_HOST_RESET; | |
2388 | fw_event->ioc = ioc; | |
2389 | _scsih_fw_event_add(ioc, fw_event); | |
635374e7 EM |
2390 | } |
2391 | ||
2392 | /** | |
f1c35e6a | 2393 | * _scsih_fw_event_cleanup_queue - cleanup event queue |
635374e7 EM |
2394 | * @ioc: per adapter object |
2395 | * | |
f1c35e6a KD |
2396 | * Walk the firmware event queue, either killing timers, or waiting |
2397 | * for outstanding events to complete | |
635374e7 EM |
2398 | * |
2399 | * Return nothing. | |
2400 | */ | |
2401 | static void | |
f1c35e6a | 2402 | _scsih_fw_event_cleanup_queue(struct MPT2SAS_ADAPTER *ioc) |
635374e7 | 2403 | { |
f1c35e6a | 2404 | struct fw_event_work *fw_event, *next; |
635374e7 | 2405 | |
f1c35e6a KD |
2406 | if (list_empty(&ioc->fw_event_list) || |
2407 | !ioc->firmware_event_thread || in_interrupt()) | |
2408 | return; | |
635374e7 | 2409 | |
f1c35e6a KD |
2410 | list_for_each_entry_safe(fw_event, next, &ioc->fw_event_list, list) { |
2411 | if (cancel_delayed_work(&fw_event->delayed_work)) { | |
2412 | _scsih_fw_event_free(ioc, fw_event); | |
2413 | continue; | |
2414 | } | |
2415 | fw_event->cancel_pending_work = 1; | |
2416 | } | |
635374e7 EM |
2417 | } |
2418 | ||
635374e7 EM |
2419 | /** |
2420 | * _scsih_ublock_io_device - set the device state to SDEV_RUNNING | |
2421 | * @ioc: per adapter object | |
2422 | * @handle: device handle | |
2423 | * | |
2424 | * During device pull we need to appropiately set the sdev state. | |
2425 | */ | |
2426 | static void | |
2427 | _scsih_ublock_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
2428 | { | |
2429 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
2430 | struct scsi_device *sdev; | |
2431 | ||
2432 | shost_for_each_device(sdev, ioc->shost) { | |
2433 | sas_device_priv_data = sdev->hostdata; | |
2434 | if (!sas_device_priv_data) | |
2435 | continue; | |
2436 | if (!sas_device_priv_data->block) | |
2437 | continue; | |
2438 | if (sas_device_priv_data->sas_target->handle == handle) { | |
2439 | dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, | |
2440 | MPT2SAS_INFO_FMT "SDEV_RUNNING: " | |
2441 | "handle(0x%04x)\n", ioc->name, handle)); | |
2442 | sas_device_priv_data->block = 0; | |
34a03bef | 2443 | scsi_internal_device_unblock(sdev); |
635374e7 EM |
2444 | } |
2445 | } | |
2446 | } | |
2447 | ||
2448 | /** | |
2449 | * _scsih_block_io_device - set the device state to SDEV_BLOCK | |
2450 | * @ioc: per adapter object | |
2451 | * @handle: device handle | |
2452 | * | |
2453 | * During device pull we need to appropiately set the sdev state. | |
2454 | */ | |
2455 | static void | |
2456 | _scsih_block_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
2457 | { | |
2458 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
2459 | struct scsi_device *sdev; | |
2460 | ||
2461 | shost_for_each_device(sdev, ioc->shost) { | |
2462 | sas_device_priv_data = sdev->hostdata; | |
2463 | if (!sas_device_priv_data) | |
2464 | continue; | |
2465 | if (sas_device_priv_data->block) | |
2466 | continue; | |
2467 | if (sas_device_priv_data->sas_target->handle == handle) { | |
2468 | dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, | |
2469 | MPT2SAS_INFO_FMT "SDEV_BLOCK: " | |
2470 | "handle(0x%04x)\n", ioc->name, handle)); | |
2471 | sas_device_priv_data->block = 1; | |
34a03bef | 2472 | scsi_internal_device_block(sdev); |
635374e7 EM |
2473 | } |
2474 | } | |
2475 | } | |
2476 | ||
2477 | /** | |
2478 | * _scsih_block_io_to_children_attached_to_ex | |
2479 | * @ioc: per adapter object | |
2480 | * @sas_expander: the sas_device object | |
2481 | * | |
2482 | * This routine set sdev state to SDEV_BLOCK for all devices | |
2483 | * attached to this expander. This function called when expander is | |
2484 | * pulled. | |
2485 | */ | |
2486 | static void | |
2487 | _scsih_block_io_to_children_attached_to_ex(struct MPT2SAS_ADAPTER *ioc, | |
2488 | struct _sas_node *sas_expander) | |
2489 | { | |
2490 | struct _sas_port *mpt2sas_port; | |
2491 | struct _sas_device *sas_device; | |
2492 | struct _sas_node *expander_sibling; | |
2493 | unsigned long flags; | |
2494 | ||
2495 | if (!sas_expander) | |
2496 | return; | |
2497 | ||
2498 | list_for_each_entry(mpt2sas_port, | |
2499 | &sas_expander->sas_port_list, port_list) { | |
2500 | if (mpt2sas_port->remote_identify.device_type == | |
2501 | SAS_END_DEVICE) { | |
2502 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
2503 | sas_device = | |
2504 | mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
2505 | mpt2sas_port->remote_identify.sas_address); | |
2506 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
2507 | if (!sas_device) | |
2508 | continue; | |
2509 | _scsih_block_io_device(ioc, sas_device->handle); | |
2510 | } | |
2511 | } | |
2512 | ||
2513 | list_for_each_entry(mpt2sas_port, | |
2514 | &sas_expander->sas_port_list, port_list) { | |
2515 | ||
2516 | if (mpt2sas_port->remote_identify.device_type == | |
2517 | MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER || | |
2518 | mpt2sas_port->remote_identify.device_type == | |
2519 | MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER) { | |
2520 | ||
2521 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
2522 | expander_sibling = | |
2523 | mpt2sas_scsih_expander_find_by_sas_address( | |
2524 | ioc, mpt2sas_port->remote_identify.sas_address); | |
2525 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
2526 | _scsih_block_io_to_children_attached_to_ex(ioc, | |
2527 | expander_sibling); | |
2528 | } | |
2529 | } | |
2530 | } | |
2531 | ||
2532 | /** | |
2533 | * _scsih_block_io_to_children_attached_directly | |
2534 | * @ioc: per adapter object | |
2535 | * @event_data: topology change event data | |
2536 | * | |
2537 | * This routine set sdev state to SDEV_BLOCK for all devices | |
2538 | * direct attached during device pull. | |
2539 | */ | |
2540 | static void | |
2541 | _scsih_block_io_to_children_attached_directly(struct MPT2SAS_ADAPTER *ioc, | |
2542 | Mpi2EventDataSasTopologyChangeList_t *event_data) | |
2543 | { | |
2544 | int i; | |
2545 | u16 handle; | |
2546 | u16 reason_code; | |
2547 | u8 phy_number; | |
2548 | ||
2549 | for (i = 0; i < event_data->NumEntries; i++) { | |
2550 | handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); | |
2551 | if (!handle) | |
2552 | continue; | |
2553 | phy_number = event_data->StartPhyNum + i; | |
2554 | reason_code = event_data->PHY[i].PhyStatus & | |
2555 | MPI2_EVENT_SAS_TOPO_RC_MASK; | |
2556 | if (reason_code == MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING) | |
2557 | _scsih_block_io_device(ioc, handle); | |
2558 | } | |
2559 | } | |
2560 | ||
77e63ed4 KD |
2561 | /** |
2562 | * _scsih_tm_tr_send - send task management request | |
2563 | * @ioc: per adapter object | |
2564 | * @handle: device handle | |
2565 | * Context: interrupt time. | |
2566 | * | |
2567 | * This code is to initiate the device removal handshake protocal | |
2568 | * with controller firmware. This function will issue target reset | |
2569 | * using high priority request queue. It will send a sas iounit | |
2570 | * controll request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion. | |
2571 | * | |
2572 | * This is designed to send muliple task management request at the same | |
2573 | * time to the fifo. If the fifo is full, we will append the request, | |
2574 | * and process it in a future completion. | |
2575 | */ | |
2576 | static void | |
2577 | _scsih_tm_tr_send(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
2578 | { | |
2579 | Mpi2SCSITaskManagementRequest_t *mpi_request; | |
77e63ed4 KD |
2580 | u16 smid; |
2581 | struct _sas_device *sas_device; | |
2582 | unsigned long flags; | |
2583 | struct _tr_list *delayed_tr; | |
2584 | ||
1278b11f KD |
2585 | if (ioc->shost_recovery || ioc->remove_host) { |
2586 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in " | |
2587 | "progress!\n", __func__, ioc->name)); | |
77e63ed4 KD |
2588 | return; |
2589 | } | |
2590 | ||
2591 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
2592 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
1278b11f KD |
2593 | if (sas_device && sas_device->hidden_raid_component) { |
2594 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
77e63ed4 | 2595 | return; |
1278b11f KD |
2596 | } |
2597 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
77e63ed4 KD |
2598 | |
2599 | smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_cb_idx); | |
2600 | if (!smid) { | |
2601 | delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC); | |
2602 | if (!delayed_tr) | |
2603 | return; | |
2604 | INIT_LIST_HEAD(&delayed_tr->list); | |
2605 | delayed_tr->handle = handle; | |
1278b11f | 2606 | list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list); |
a28eb222 | 2607 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT |
1278b11f KD |
2608 | "DELAYED:tr:handle(0x%04x), (open)\n", |
2609 | ioc->name, handle)); | |
2610 | return; | |
77e63ed4 KD |
2611 | } |
2612 | ||
1278b11f KD |
2613 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "tr_send:handle(0x%04x), " |
2614 | "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid, | |
2615 | ioc->tm_tr_cb_idx)); | |
77e63ed4 KD |
2616 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); |
2617 | memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t)); | |
2618 | mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; | |
2619 | mpi_request->DevHandle = cpu_to_le16(handle); | |
2620 | mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; | |
77e63ed4 KD |
2621 | mpt2sas_base_put_smid_hi_priority(ioc, smid); |
2622 | } | |
2623 | ||
2624 | ||
2625 | ||
2626 | /** | |
2627 | * _scsih_sas_control_complete - completion routine | |
2628 | * @ioc: per adapter object | |
2629 | * @smid: system request message index | |
2630 | * @msix_index: MSIX table index supplied by the OS | |
2631 | * @reply: reply message frame(lower 32bit addr) | |
2632 | * Context: interrupt time. | |
2633 | * | |
2634 | * This is the sas iounit controll completion routine. | |
2635 | * This code is part of the code to initiate the device removal | |
2636 | * handshake protocal with controller firmware. | |
2637 | * | |
2638 | * Return 1 meaning mf should be freed from _base_interrupt | |
2639 | * 0 means the mf is freed from this function. | |
2640 | */ | |
2641 | static u8 | |
2642 | _scsih_sas_control_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, | |
2643 | u8 msix_index, u32 reply) | |
2644 | { | |
77e63ed4 KD |
2645 | Mpi2SasIoUnitControlReply_t *mpi_reply = |
2646 | mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
2647 | ||
1278b11f KD |
2648 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT |
2649 | "sc_complete:handle(0x%04x), (open) " | |
2650 | "smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n", | |
2651 | ioc->name, le16_to_cpu(mpi_reply->DevHandle), smid, | |
2652 | le16_to_cpu(mpi_reply->IOCStatus), | |
2653 | le32_to_cpu(mpi_reply->IOCLogInfo))); | |
77e63ed4 KD |
2654 | return 1; |
2655 | } | |
2656 | ||
2657 | /** | |
2658 | * _scsih_tm_tr_complete - | |
2659 | * @ioc: per adapter object | |
2660 | * @smid: system request message index | |
2661 | * @msix_index: MSIX table index supplied by the OS | |
2662 | * @reply: reply message frame(lower 32bit addr) | |
2663 | * Context: interrupt time. | |
2664 | * | |
2665 | * This is the target reset completion routine. | |
2666 | * This code is part of the code to initiate the device removal | |
2667 | * handshake protocal with controller firmware. | |
2668 | * It will send a sas iounit controll request (MPI2_SAS_OP_REMOVE_DEVICE) | |
2669 | * | |
2670 | * Return 1 meaning mf should be freed from _base_interrupt | |
2671 | * 0 means the mf is freed from this function. | |
2672 | */ | |
2673 | static u8 | |
2674 | _scsih_tm_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, | |
2675 | u32 reply) | |
2676 | { | |
77e63ed4 | 2677 | u16 handle; |
1278b11f | 2678 | Mpi2SCSITaskManagementRequest_t *mpi_request_tm; |
77e63ed4 KD |
2679 | Mpi2SCSITaskManagementReply_t *mpi_reply = |
2680 | mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
2681 | Mpi2SasIoUnitControlRequest_t *mpi_request; | |
2682 | u16 smid_sas_ctrl; | |
77e63ed4 | 2683 | struct _tr_list *delayed_tr; |
77e63ed4 | 2684 | |
1278b11f KD |
2685 | if (ioc->shost_recovery || ioc->remove_host) { |
2686 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in " | |
2687 | "progress!\n", __func__, ioc->name)); | |
2688 | return 1; | |
77e63ed4 KD |
2689 | } |
2690 | ||
1278b11f KD |
2691 | mpi_request_tm = mpt2sas_base_get_msg_frame(ioc, smid); |
2692 | handle = le16_to_cpu(mpi_request_tm->DevHandle); | |
2693 | if (handle != le16_to_cpu(mpi_reply->DevHandle)) { | |
2694 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "spurious interrupt: " | |
2695 | "handle(0x%04x:0x%04x), smid(%d)!!!\n", ioc->name, handle, | |
2696 | le16_to_cpu(mpi_reply->DevHandle), smid)); | |
2697 | return 0; | |
77e63ed4 KD |
2698 | } |
2699 | ||
1278b11f KD |
2700 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT |
2701 | "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), " | |
2702 | "loginfo(0x%08x), completed(%d)\n", ioc->name, | |
2703 | handle, smid, le16_to_cpu(mpi_reply->IOCStatus), | |
2704 | le32_to_cpu(mpi_reply->IOCLogInfo), | |
2705 | le32_to_cpu(mpi_reply->TerminationCount))); | |
2706 | ||
77e63ed4 KD |
2707 | smid_sas_ctrl = mpt2sas_base_get_smid(ioc, ioc->tm_sas_control_cb_idx); |
2708 | if (!smid_sas_ctrl) { | |
2709 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
2710 | ioc->name, __func__); | |
1278b11f | 2711 | return 1; |
77e63ed4 KD |
2712 | } |
2713 | ||
1278b11f KD |
2714 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "sc_send:handle(0x%04x), " |
2715 | "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid_sas_ctrl, | |
2716 | ioc->tm_sas_control_cb_idx)); | |
77e63ed4 KD |
2717 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid_sas_ctrl); |
2718 | memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t)); | |
2719 | mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL; | |
2720 | mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE; | |
1278b11f | 2721 | mpi_request->DevHandle = mpi_request_tm->DevHandle; |
77e63ed4 | 2722 | mpt2sas_base_put_smid_default(ioc, smid_sas_ctrl); |
1278b11f KD |
2723 | |
2724 | if (!list_empty(&ioc->delayed_tr_list)) { | |
2725 | delayed_tr = list_entry(ioc->delayed_tr_list.next, | |
2726 | struct _tr_list, list); | |
2727 | mpt2sas_base_free_smid(ioc, smid); | |
2728 | _scsih_tm_tr_send(ioc, delayed_tr->handle); | |
2729 | list_del(&delayed_tr->list); | |
2730 | kfree(delayed_tr); | |
2731 | return 0; /* tells base_interrupt not to free mf */ | |
2732 | } | |
2733 | return 1; | |
77e63ed4 KD |
2734 | } |
2735 | ||
635374e7 EM |
2736 | /** |
2737 | * _scsih_check_topo_delete_events - sanity check on topo events | |
2738 | * @ioc: per adapter object | |
2739 | * @event_data: the event data payload | |
2740 | * | |
2741 | * This routine added to better handle cable breaker. | |
2742 | * | |
2743 | * This handles the case where driver recieves multiple expander | |
2744 | * add and delete events in a single shot. When there is a delete event | |
2745 | * the routine will void any pending add events waiting in the event queue. | |
2746 | * | |
2747 | * Return nothing. | |
2748 | */ | |
2749 | static void | |
2750 | _scsih_check_topo_delete_events(struct MPT2SAS_ADAPTER *ioc, | |
2751 | Mpi2EventDataSasTopologyChangeList_t *event_data) | |
2752 | { | |
2753 | struct fw_event_work *fw_event; | |
2754 | Mpi2EventDataSasTopologyChangeList_t *local_event_data; | |
2755 | u16 expander_handle; | |
2756 | struct _sas_node *sas_expander; | |
2757 | unsigned long flags; | |
77e63ed4 KD |
2758 | int i, reason_code; |
2759 | u16 handle; | |
2760 | ||
2761 | for (i = 0 ; i < event_data->NumEntries; i++) { | |
2762 | if (event_data->PHY[i].PhyStatus & | |
2763 | MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) | |
2764 | continue; | |
2765 | handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); | |
2766 | if (!handle) | |
2767 | continue; | |
2768 | reason_code = event_data->PHY[i].PhyStatus & | |
2769 | MPI2_EVENT_SAS_TOPO_RC_MASK; | |
2770 | if (reason_code == MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING) | |
2771 | _scsih_tm_tr_send(ioc, handle); | |
2772 | } | |
635374e7 EM |
2773 | |
2774 | expander_handle = le16_to_cpu(event_data->ExpanderDevHandle); | |
2775 | if (expander_handle < ioc->sas_hba.num_phys) { | |
2776 | _scsih_block_io_to_children_attached_directly(ioc, event_data); | |
2777 | return; | |
2778 | } | |
2779 | ||
2780 | if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING | |
2781 | || event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING) { | |
2782 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
2783 | sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc, | |
2784 | expander_handle); | |
2785 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
2786 | _scsih_block_io_to_children_attached_to_ex(ioc, sas_expander); | |
2787 | } else if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_RESPONDING) | |
2788 | _scsih_block_io_to_children_attached_directly(ioc, event_data); | |
2789 | ||
2790 | if (event_data->ExpStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING) | |
2791 | return; | |
2792 | ||
2793 | /* mark ignore flag for pending events */ | |
2794 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
2795 | list_for_each_entry(fw_event, &ioc->fw_event_list, list) { | |
2796 | if (fw_event->event != MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || | |
2797 | fw_event->ignore) | |
2798 | continue; | |
2799 | local_event_data = fw_event->event_data; | |
2800 | if (local_event_data->ExpStatus == | |
2801 | MPI2_EVENT_SAS_TOPO_ES_ADDED || | |
2802 | local_event_data->ExpStatus == | |
2803 | MPI2_EVENT_SAS_TOPO_ES_RESPONDING) { | |
2804 | if (le16_to_cpu(local_event_data->ExpanderDevHandle) == | |
2805 | expander_handle) { | |
2806 | dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT | |
2807 | "setting ignoring flag\n", ioc->name)); | |
2808 | fw_event->ignore = 1; | |
2809 | } | |
2810 | } | |
2811 | } | |
2812 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
2813 | } | |
2814 | ||
635374e7 EM |
2815 | /** |
2816 | * _scsih_flush_running_cmds - completing outstanding commands. | |
2817 | * @ioc: per adapter object | |
2818 | * | |
2819 | * The flushing out of all pending scmd commands following host reset, | |
2820 | * where all IO is dropped to the floor. | |
2821 | * | |
2822 | * Return nothing. | |
2823 | */ | |
2824 | static void | |
2825 | _scsih_flush_running_cmds(struct MPT2SAS_ADAPTER *ioc) | |
2826 | { | |
2827 | struct scsi_cmnd *scmd; | |
2828 | u16 smid; | |
2829 | u16 count = 0; | |
2830 | ||
595bb0bd KD |
2831 | for (smid = 1; smid <= ioc->scsiio_depth; smid++) { |
2832 | scmd = _scsih_scsi_lookup_get(ioc, smid); | |
635374e7 EM |
2833 | if (!scmd) |
2834 | continue; | |
2835 | count++; | |
2836 | mpt2sas_base_free_smid(ioc, smid); | |
2837 | scsi_dma_unmap(scmd); | |
2838 | scmd->result = DID_RESET << 16; | |
2839 | scmd->scsi_done(scmd); | |
2840 | } | |
2841 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "completing %d cmds\n", | |
2842 | ioc->name, count)); | |
2843 | } | |
2844 | ||
3c621b3e EM |
2845 | /** |
2846 | * _scsih_setup_eedp - setup MPI request for EEDP transfer | |
2847 | * @scmd: pointer to scsi command object | |
2848 | * @mpi_request: pointer to the SCSI_IO reqest message frame | |
2849 | * | |
2850 | * Supporting protection 1 and 3. | |
2851 | * | |
2852 | * Returns nothing | |
2853 | */ | |
2854 | static void | |
2855 | _scsih_setup_eedp(struct scsi_cmnd *scmd, Mpi2SCSIIORequest_t *mpi_request) | |
2856 | { | |
2857 | u16 eedp_flags; | |
2858 | unsigned char prot_op = scsi_get_prot_op(scmd); | |
2859 | unsigned char prot_type = scsi_get_prot_type(scmd); | |
2860 | ||
2861 | if (prot_type == SCSI_PROT_DIF_TYPE0 || | |
2862 | prot_type == SCSI_PROT_DIF_TYPE2 || | |
2863 | prot_op == SCSI_PROT_NORMAL) | |
2864 | return; | |
2865 | ||
2866 | if (prot_op == SCSI_PROT_READ_STRIP) | |
2867 | eedp_flags = MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP; | |
2868 | else if (prot_op == SCSI_PROT_WRITE_INSERT) | |
2869 | eedp_flags = MPI2_SCSIIO_EEDPFLAGS_INSERT_OP; | |
2870 | else | |
2871 | return; | |
2872 | ||
3c621b3e EM |
2873 | switch (prot_type) { |
2874 | case SCSI_PROT_DIF_TYPE1: | |
2875 | ||
2876 | /* | |
2877 | * enable ref/guard checking | |
2878 | * auto increment ref tag | |
2879 | */ | |
463217bf | 2880 | eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG | |
3c621b3e EM |
2881 | MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG | |
2882 | MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD; | |
2883 | mpi_request->CDB.EEDP32.PrimaryReferenceTag = | |
2884 | cpu_to_be32(scsi_get_lba(scmd)); | |
2885 | ||
2886 | break; | |
2887 | ||
2888 | case SCSI_PROT_DIF_TYPE3: | |
2889 | ||
2890 | /* | |
2891 | * enable guard checking | |
2892 | */ | |
463217bf | 2893 | eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD; |
3c621b3e EM |
2894 | break; |
2895 | } | |
463217bf KD |
2896 | mpi_request->EEDPBlockSize = cpu_to_le32(scmd->device->sector_size); |
2897 | mpi_request->EEDPFlags = cpu_to_le16(eedp_flags); | |
3c621b3e EM |
2898 | } |
2899 | ||
2900 | /** | |
2901 | * _scsih_eedp_error_handling - return sense code for EEDP errors | |
2902 | * @scmd: pointer to scsi command object | |
2903 | * @ioc_status: ioc status | |
2904 | * | |
2905 | * Returns nothing | |
2906 | */ | |
2907 | static void | |
2908 | _scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status) | |
2909 | { | |
2910 | u8 ascq; | |
2911 | u8 sk; | |
2912 | u8 host_byte; | |
2913 | ||
2914 | switch (ioc_status) { | |
2915 | case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: | |
2916 | ascq = 0x01; | |
2917 | break; | |
2918 | case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: | |
2919 | ascq = 0x02; | |
2920 | break; | |
2921 | case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: | |
2922 | ascq = 0x03; | |
2923 | break; | |
2924 | default: | |
2925 | ascq = 0x00; | |
2926 | break; | |
2927 | } | |
2928 | ||
2929 | if (scmd->sc_data_direction == DMA_TO_DEVICE) { | |
2930 | sk = ILLEGAL_REQUEST; | |
2931 | host_byte = DID_ABORT; | |
2932 | } else { | |
2933 | sk = ABORTED_COMMAND; | |
2934 | host_byte = DID_OK; | |
2935 | } | |
2936 | ||
2937 | scsi_build_sense_buffer(0, scmd->sense_buffer, sk, 0x10, ascq); | |
2938 | scmd->result = DRIVER_SENSE << 24 | (host_byte << 16) | | |
2939 | SAM_STAT_CHECK_CONDITION; | |
2940 | } | |
2941 | ||
635374e7 | 2942 | /** |
d5d135b3 | 2943 | * _scsih_qcmd - main scsi request entry point |
635374e7 EM |
2944 | * @scmd: pointer to scsi command object |
2945 | * @done: function pointer to be invoked on completion | |
2946 | * | |
2947 | * The callback index is set inside `ioc->scsi_io_cb_idx`. | |
2948 | * | |
2949 | * Returns 0 on success. If there's a failure, return either: | |
2950 | * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or | |
2951 | * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full | |
2952 | */ | |
2953 | static int | |
d5d135b3 | 2954 | _scsih_qcmd(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *)) |
635374e7 EM |
2955 | { |
2956 | struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); | |
2957 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
2958 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
2959 | Mpi2SCSIIORequest_t *mpi_request; | |
2960 | u32 mpi_control; | |
2961 | u16 smid; | |
635374e7 EM |
2962 | |
2963 | scmd->scsi_done = done; | |
2964 | sas_device_priv_data = scmd->device->hostdata; | |
130b958a | 2965 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { |
635374e7 EM |
2966 | scmd->result = DID_NO_CONNECT << 16; |
2967 | scmd->scsi_done(scmd); | |
2968 | return 0; | |
2969 | } | |
2970 | ||
2971 | sas_target_priv_data = sas_device_priv_data->sas_target; | |
130b958a KD |
2972 | /* invalid device handle */ |
2973 | if (sas_target_priv_data->handle == MPT2SAS_INVALID_DEVICE_HANDLE) { | |
635374e7 EM |
2974 | scmd->result = DID_NO_CONNECT << 16; |
2975 | scmd->scsi_done(scmd); | |
2976 | return 0; | |
2977 | } | |
2978 | ||
130b958a KD |
2979 | /* host recovery or link resets sent via IOCTLs */ |
2980 | if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress) | |
635374e7 | 2981 | return SCSI_MLQUEUE_HOST_BUSY; |
130b958a KD |
2982 | /* device busy with task managment */ |
2983 | else if (sas_device_priv_data->block || sas_target_priv_data->tm_busy) | |
2984 | return SCSI_MLQUEUE_DEVICE_BUSY; | |
2985 | /* device has been deleted */ | |
2986 | else if (sas_target_priv_data->deleted) { | |
2987 | scmd->result = DID_NO_CONNECT << 16; | |
2988 | scmd->scsi_done(scmd); | |
2989 | return 0; | |
2990 | } | |
635374e7 EM |
2991 | |
2992 | if (scmd->sc_data_direction == DMA_FROM_DEVICE) | |
2993 | mpi_control = MPI2_SCSIIO_CONTROL_READ; | |
2994 | else if (scmd->sc_data_direction == DMA_TO_DEVICE) | |
2995 | mpi_control = MPI2_SCSIIO_CONTROL_WRITE; | |
2996 | else | |
2997 | mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER; | |
2998 | ||
2999 | /* set tags */ | |
3000 | if (!(sas_device_priv_data->flags & MPT_DEVICE_FLAGS_INIT)) { | |
3001 | if (scmd->device->tagged_supported) { | |
3002 | if (scmd->device->ordered_tags) | |
3003 | mpi_control |= MPI2_SCSIIO_CONTROL_ORDEREDQ; | |
3004 | else | |
3005 | mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ; | |
3006 | } else | |
3007 | /* MPI Revision I (UNIT = 0xA) - removed MPI2_SCSIIO_CONTROL_UNTAGGED */ | |
3008 | /* mpi_control |= MPI2_SCSIIO_CONTROL_UNTAGGED; | |
3009 | */ | |
3010 | mpi_control |= (0x500); | |
3011 | ||
3012 | } else | |
3013 | mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ; | |
3ed21525 KD |
3014 | /* Make sure Device is not raid volume */ |
3015 | if (!_scsih_is_raid(&scmd->device->sdev_gendev) && | |
3016 | sas_is_tlr_enabled(scmd->device)) | |
635374e7 EM |
3017 | mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON; |
3018 | ||
595bb0bd | 3019 | smid = mpt2sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd); |
635374e7 EM |
3020 | if (!smid) { |
3021 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
3022 | ioc->name, __func__); | |
3023 | goto out; | |
3024 | } | |
3025 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
3026 | memset(mpi_request, 0, sizeof(Mpi2SCSIIORequest_t)); | |
3c621b3e | 3027 | _scsih_setup_eedp(scmd, mpi_request); |
635374e7 EM |
3028 | mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; |
3029 | if (sas_device_priv_data->sas_target->flags & | |
3030 | MPT_TARGET_FLAGS_RAID_COMPONENT) | |
3031 | mpi_request->Function = MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; | |
3032 | else | |
3033 | mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; | |
3034 | mpi_request->DevHandle = | |
3035 | cpu_to_le16(sas_device_priv_data->sas_target->handle); | |
3036 | mpi_request->DataLength = cpu_to_le32(scsi_bufflen(scmd)); | |
3037 | mpi_request->Control = cpu_to_le32(mpi_control); | |
3038 | mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len); | |
3039 | mpi_request->MsgFlags = MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR; | |
3040 | mpi_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE; | |
3041 | mpi_request->SenseBufferLowAddress = | |
ec9472c7 | 3042 | mpt2sas_base_get_sense_buffer_dma(ioc, smid); |
635374e7 EM |
3043 | mpi_request->SGLOffset0 = offsetof(Mpi2SCSIIORequest_t, SGL) / 4; |
3044 | mpi_request->SGLFlags = cpu_to_le16(MPI2_SCSIIO_SGLFLAGS_TYPE_MPI + | |
3045 | MPI2_SCSIIO_SGLFLAGS_SYSTEM_ADDR); | |
7b936b02 KD |
3046 | mpi_request->VF_ID = 0; /* TODO */ |
3047 | mpi_request->VP_ID = 0; | |
635374e7 EM |
3048 | int_to_scsilun(sas_device_priv_data->lun, (struct scsi_lun *) |
3049 | mpi_request->LUN); | |
3050 | memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len); | |
3051 | ||
3052 | if (!mpi_request->DataLength) { | |
3053 | mpt2sas_base_build_zero_len_sge(ioc, &mpi_request->SGL); | |
3054 | } else { | |
3055 | if (_scsih_build_scatter_gather(ioc, scmd, smid)) { | |
3056 | mpt2sas_base_free_smid(ioc, smid); | |
3057 | goto out; | |
3058 | } | |
3059 | } | |
3060 | ||
58287fd5 KD |
3061 | if (likely(mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST)) |
3062 | mpt2sas_base_put_smid_scsi_io(ioc, smid, | |
3063 | sas_device_priv_data->sas_target->handle); | |
3064 | else | |
3065 | mpt2sas_base_put_smid_default(ioc, smid); | |
635374e7 EM |
3066 | return 0; |
3067 | ||
3068 | out: | |
3069 | return SCSI_MLQUEUE_HOST_BUSY; | |
3070 | } | |
3071 | ||
3072 | /** | |
3073 | * _scsih_normalize_sense - normalize descriptor and fixed format sense data | |
3074 | * @sense_buffer: sense data returned by target | |
3075 | * @data: normalized skey/asc/ascq | |
3076 | * | |
3077 | * Return nothing. | |
3078 | */ | |
3079 | static void | |
3080 | _scsih_normalize_sense(char *sense_buffer, struct sense_info *data) | |
3081 | { | |
3082 | if ((sense_buffer[0] & 0x7F) >= 0x72) { | |
3083 | /* descriptor format */ | |
3084 | data->skey = sense_buffer[1] & 0x0F; | |
3085 | data->asc = sense_buffer[2]; | |
3086 | data->ascq = sense_buffer[3]; | |
3087 | } else { | |
3088 | /* fixed format */ | |
3089 | data->skey = sense_buffer[2] & 0x0F; | |
3090 | data->asc = sense_buffer[12]; | |
3091 | data->ascq = sense_buffer[13]; | |
3092 | } | |
3093 | } | |
3094 | ||
3095 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
3096 | /** | |
af901ca1 | 3097 | * _scsih_scsi_ioc_info - translated non-successfull SCSI_IO request |
635374e7 EM |
3098 | * @ioc: per adapter object |
3099 | * @scmd: pointer to scsi command object | |
3100 | * @mpi_reply: reply mf payload returned from firmware | |
3101 | * | |
3102 | * scsi_status - SCSI Status code returned from target device | |
3103 | * scsi_state - state info associated with SCSI_IO determined by ioc | |
3104 | * ioc_status - ioc supplied status info | |
3105 | * | |
3106 | * Return nothing. | |
3107 | */ | |
3108 | static void | |
3109 | _scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, | |
3110 | Mpi2SCSIIOReply_t *mpi_reply, u16 smid) | |
3111 | { | |
3112 | u32 response_info; | |
3113 | u8 *response_bytes; | |
3114 | u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & | |
3115 | MPI2_IOCSTATUS_MASK; | |
3116 | u8 scsi_state = mpi_reply->SCSIState; | |
3117 | u8 scsi_status = mpi_reply->SCSIStatus; | |
3118 | char *desc_ioc_state = NULL; | |
3119 | char *desc_scsi_status = NULL; | |
3120 | char *desc_scsi_state = ioc->tmp_string; | |
be9e8cd7 KD |
3121 | u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo); |
3122 | ||
3123 | if (log_info == 0x31170000) | |
3124 | return; | |
635374e7 EM |
3125 | |
3126 | switch (ioc_status) { | |
3127 | case MPI2_IOCSTATUS_SUCCESS: | |
3128 | desc_ioc_state = "success"; | |
3129 | break; | |
3130 | case MPI2_IOCSTATUS_INVALID_FUNCTION: | |
3131 | desc_ioc_state = "invalid function"; | |
3132 | break; | |
3133 | case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: | |
3134 | desc_ioc_state = "scsi recovered error"; | |
3135 | break; | |
3136 | case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE: | |
3137 | desc_ioc_state = "scsi invalid dev handle"; | |
3138 | break; | |
3139 | case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: | |
3140 | desc_ioc_state = "scsi device not there"; | |
3141 | break; | |
3142 | case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: | |
3143 | desc_ioc_state = "scsi data overrun"; | |
3144 | break; | |
3145 | case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: | |
3146 | desc_ioc_state = "scsi data underrun"; | |
3147 | break; | |
3148 | case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: | |
3149 | desc_ioc_state = "scsi io data error"; | |
3150 | break; | |
3151 | case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: | |
3152 | desc_ioc_state = "scsi protocol error"; | |
3153 | break; | |
3154 | case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: | |
3155 | desc_ioc_state = "scsi task terminated"; | |
3156 | break; | |
3157 | case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: | |
3158 | desc_ioc_state = "scsi residual mismatch"; | |
3159 | break; | |
3160 | case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: | |
3161 | desc_ioc_state = "scsi task mgmt failed"; | |
3162 | break; | |
3163 | case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: | |
3164 | desc_ioc_state = "scsi ioc terminated"; | |
3165 | break; | |
3166 | case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: | |
3167 | desc_ioc_state = "scsi ext terminated"; | |
3168 | break; | |
3c621b3e EM |
3169 | case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: |
3170 | desc_ioc_state = "eedp guard error"; | |
3171 | break; | |
3172 | case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: | |
3173 | desc_ioc_state = "eedp ref tag error"; | |
3174 | break; | |
3175 | case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: | |
3176 | desc_ioc_state = "eedp app tag error"; | |
3177 | break; | |
635374e7 EM |
3178 | default: |
3179 | desc_ioc_state = "unknown"; | |
3180 | break; | |
3181 | } | |
3182 | ||
3183 | switch (scsi_status) { | |
3184 | case MPI2_SCSI_STATUS_GOOD: | |
3185 | desc_scsi_status = "good"; | |
3186 | break; | |
3187 | case MPI2_SCSI_STATUS_CHECK_CONDITION: | |
3188 | desc_scsi_status = "check condition"; | |
3189 | break; | |
3190 | case MPI2_SCSI_STATUS_CONDITION_MET: | |
3191 | desc_scsi_status = "condition met"; | |
3192 | break; | |
3193 | case MPI2_SCSI_STATUS_BUSY: | |
3194 | desc_scsi_status = "busy"; | |
3195 | break; | |
3196 | case MPI2_SCSI_STATUS_INTERMEDIATE: | |
3197 | desc_scsi_status = "intermediate"; | |
3198 | break; | |
3199 | case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET: | |
3200 | desc_scsi_status = "intermediate condmet"; | |
3201 | break; | |
3202 | case MPI2_SCSI_STATUS_RESERVATION_CONFLICT: | |
3203 | desc_scsi_status = "reservation conflict"; | |
3204 | break; | |
3205 | case MPI2_SCSI_STATUS_COMMAND_TERMINATED: | |
3206 | desc_scsi_status = "command terminated"; | |
3207 | break; | |
3208 | case MPI2_SCSI_STATUS_TASK_SET_FULL: | |
3209 | desc_scsi_status = "task set full"; | |
3210 | break; | |
3211 | case MPI2_SCSI_STATUS_ACA_ACTIVE: | |
3212 | desc_scsi_status = "aca active"; | |
3213 | break; | |
3214 | case MPI2_SCSI_STATUS_TASK_ABORTED: | |
3215 | desc_scsi_status = "task aborted"; | |
3216 | break; | |
3217 | default: | |
3218 | desc_scsi_status = "unknown"; | |
3219 | break; | |
3220 | } | |
3221 | ||
3222 | desc_scsi_state[0] = '\0'; | |
3223 | if (!scsi_state) | |
3224 | desc_scsi_state = " "; | |
3225 | if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) | |
3226 | strcat(desc_scsi_state, "response info "); | |
3227 | if (scsi_state & MPI2_SCSI_STATE_TERMINATED) | |
3228 | strcat(desc_scsi_state, "state terminated "); | |
3229 | if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS) | |
3230 | strcat(desc_scsi_state, "no status "); | |
3231 | if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED) | |
3232 | strcat(desc_scsi_state, "autosense failed "); | |
3233 | if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) | |
3234 | strcat(desc_scsi_state, "autosense valid "); | |
3235 | ||
3236 | scsi_print_command(scmd); | |
3237 | printk(MPT2SAS_WARN_FMT "\tdev handle(0x%04x), " | |
3238 | "ioc_status(%s)(0x%04x), smid(%d)\n", ioc->name, | |
3239 | le16_to_cpu(mpi_reply->DevHandle), desc_ioc_state, | |
3240 | ioc_status, smid); | |
3241 | printk(MPT2SAS_WARN_FMT "\trequest_len(%d), underflow(%d), " | |
3242 | "resid(%d)\n", ioc->name, scsi_bufflen(scmd), scmd->underflow, | |
3243 | scsi_get_resid(scmd)); | |
3244 | printk(MPT2SAS_WARN_FMT "\ttag(%d), transfer_count(%d), " | |
3245 | "sc->result(0x%08x)\n", ioc->name, le16_to_cpu(mpi_reply->TaskTag), | |
3246 | le32_to_cpu(mpi_reply->TransferCount), scmd->result); | |
3247 | printk(MPT2SAS_WARN_FMT "\tscsi_status(%s)(0x%02x), " | |
3248 | "scsi_state(%s)(0x%02x)\n", ioc->name, desc_scsi_status, | |
3249 | scsi_status, desc_scsi_state, scsi_state); | |
3250 | ||
3251 | if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) { | |
3252 | struct sense_info data; | |
3253 | _scsih_normalize_sense(scmd->sense_buffer, &data); | |
3254 | printk(MPT2SAS_WARN_FMT "\t[sense_key,asc,ascq]: " | |
e94f6747 KD |
3255 | "[0x%02x,0x%02x,0x%02x], count(%d)\n", ioc->name, data.skey, |
3256 | data.asc, data.ascq, le32_to_cpu(mpi_reply->SenseCount)); | |
635374e7 EM |
3257 | } |
3258 | ||
3259 | if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) { | |
3260 | response_info = le32_to_cpu(mpi_reply->ResponseInfo); | |
3261 | response_bytes = (u8 *)&response_info; | |
9982f594 | 3262 | _scsih_response_code(ioc, response_bytes[0]); |
635374e7 EM |
3263 | } |
3264 | } | |
3265 | #endif | |
3266 | ||
3267 | /** | |
3268 | * _scsih_smart_predicted_fault - illuminate Fault LED | |
3269 | * @ioc: per adapter object | |
3270 | * @handle: device handle | |
3271 | * | |
3272 | * Return nothing. | |
3273 | */ | |
3274 | static void | |
3275 | _scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
3276 | { | |
3277 | Mpi2SepReply_t mpi_reply; | |
3278 | Mpi2SepRequest_t mpi_request; | |
3279 | struct scsi_target *starget; | |
3280 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
3281 | Mpi2EventNotificationReply_t *event_reply; | |
3282 | Mpi2EventDataSasDeviceStatusChange_t *event_data; | |
3283 | struct _sas_device *sas_device; | |
3284 | ssize_t sz; | |
3285 | unsigned long flags; | |
3286 | ||
3287 | /* only handle non-raid devices */ | |
3288 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
3289 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
3290 | if (!sas_device) { | |
3291 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
3292 | return; | |
3293 | } | |
3294 | starget = sas_device->starget; | |
3295 | sas_target_priv_data = starget->hostdata; | |
3296 | ||
3297 | if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) || | |
3298 | ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))) { | |
3299 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
3300 | return; | |
3301 | } | |
3302 | starget_printk(KERN_WARNING, starget, "predicted fault\n"); | |
3303 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
3304 | ||
3305 | if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) { | |
3306 | memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t)); | |
3307 | mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR; | |
3308 | mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS; | |
3309 | mpi_request.SlotStatus = | |
e94f6747 | 3310 | cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT); |
635374e7 EM |
3311 | mpi_request.DevHandle = cpu_to_le16(handle); |
3312 | mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS; | |
3313 | if ((mpt2sas_base_scsi_enclosure_processor(ioc, &mpi_reply, | |
3314 | &mpi_request)) != 0) { | |
3315 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3316 | ioc->name, __FILE__, __LINE__, __func__); | |
3317 | return; | |
3318 | } | |
3319 | ||
3320 | if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) { | |
3321 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT | |
3322 | "enclosure_processor: ioc_status (0x%04x), " | |
3323 | "loginfo(0x%08x)\n", ioc->name, | |
3324 | le16_to_cpu(mpi_reply.IOCStatus), | |
3325 | le32_to_cpu(mpi_reply.IOCLogInfo))); | |
3326 | return; | |
3327 | } | |
3328 | } | |
3329 | ||
3330 | /* insert into event log */ | |
3331 | sz = offsetof(Mpi2EventNotificationReply_t, EventData) + | |
3332 | sizeof(Mpi2EventDataSasDeviceStatusChange_t); | |
3333 | event_reply = kzalloc(sz, GFP_KERNEL); | |
3334 | if (!event_reply) { | |
3335 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3336 | ioc->name, __FILE__, __LINE__, __func__); | |
3337 | return; | |
3338 | } | |
3339 | ||
3340 | event_reply->Function = MPI2_FUNCTION_EVENT_NOTIFICATION; | |
3341 | event_reply->Event = | |
3342 | cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE); | |
3343 | event_reply->MsgLength = sz/4; | |
3344 | event_reply->EventDataLength = | |
3345 | cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t)/4); | |
3346 | event_data = (Mpi2EventDataSasDeviceStatusChange_t *) | |
3347 | event_reply->EventData; | |
3348 | event_data->ReasonCode = MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA; | |
3349 | event_data->ASC = 0x5D; | |
3350 | event_data->DevHandle = cpu_to_le16(handle); | |
3351 | event_data->SASAddress = cpu_to_le64(sas_target_priv_data->sas_address); | |
3352 | mpt2sas_ctl_add_to_event_log(ioc, event_reply); | |
3353 | kfree(event_reply); | |
3354 | } | |
3355 | ||
3356 | /** | |
d5d135b3 | 3357 | * _scsih_io_done - scsi request callback |
635374e7 EM |
3358 | * @ioc: per adapter object |
3359 | * @smid: system request message index | |
7b936b02 | 3360 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
3361 | * @reply: reply message frame(lower 32bit addr) |
3362 | * | |
77e63ed4 | 3363 | * Callback handler when using _scsih_qcmd. |
635374e7 | 3364 | * |
77e63ed4 KD |
3365 | * Return 1 meaning mf should be freed from _base_interrupt |
3366 | * 0 means the mf is freed from this function. | |
635374e7 | 3367 | */ |
77e63ed4 | 3368 | static u8 |
7b936b02 | 3369 | _scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) |
635374e7 EM |
3370 | { |
3371 | Mpi2SCSIIORequest_t *mpi_request; | |
3372 | Mpi2SCSIIOReply_t *mpi_reply; | |
3373 | struct scsi_cmnd *scmd; | |
3374 | u16 ioc_status; | |
3375 | u32 xfer_cnt; | |
3376 | u8 scsi_state; | |
3377 | u8 scsi_status; | |
3378 | u32 log_info; | |
3379 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
9982f594 | 3380 | u32 response_code = 0; |
635374e7 EM |
3381 | |
3382 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
595bb0bd | 3383 | scmd = _scsih_scsi_lookup_get(ioc, smid); |
635374e7 | 3384 | if (scmd == NULL) |
77e63ed4 | 3385 | return 1; |
635374e7 EM |
3386 | |
3387 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
3388 | ||
3389 | if (mpi_reply == NULL) { | |
3390 | scmd->result = DID_OK << 16; | |
3391 | goto out; | |
3392 | } | |
3393 | ||
3394 | sas_device_priv_data = scmd->device->hostdata; | |
3395 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target || | |
3396 | sas_device_priv_data->sas_target->deleted) { | |
3397 | scmd->result = DID_NO_CONNECT << 16; | |
3398 | goto out; | |
3399 | } | |
3400 | ||
3401 | /* turning off TLR */ | |
9982f594 KD |
3402 | scsi_state = mpi_reply->SCSIState; |
3403 | if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) | |
3404 | response_code = | |
3405 | le32_to_cpu(mpi_reply->ResponseInfo) & 0xFF; | |
635374e7 EM |
3406 | if (!sas_device_priv_data->tlr_snoop_check) { |
3407 | sas_device_priv_data->tlr_snoop_check++; | |
3ed21525 KD |
3408 | if (!_scsih_is_raid(&scmd->device->sdev_gendev) && |
3409 | sas_is_tlr_enabled(scmd->device) && | |
84f0b04a KD |
3410 | response_code == MPI2_SCSITASKMGMT_RSP_INVALID_FRAME) { |
3411 | sas_disable_tlr(scmd->device); | |
3412 | sdev_printk(KERN_INFO, scmd->device, "TLR disabled\n"); | |
3413 | } | |
635374e7 EM |
3414 | } |
3415 | ||
3416 | xfer_cnt = le32_to_cpu(mpi_reply->TransferCount); | |
3417 | scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt); | |
3418 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus); | |
3419 | if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) | |
3420 | log_info = le32_to_cpu(mpi_reply->IOCLogInfo); | |
3421 | else | |
3422 | log_info = 0; | |
3423 | ioc_status &= MPI2_IOCSTATUS_MASK; | |
635374e7 EM |
3424 | scsi_status = mpi_reply->SCSIStatus; |
3425 | ||
3426 | if (ioc_status == MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 && | |
3427 | (scsi_status == MPI2_SCSI_STATUS_BUSY || | |
3428 | scsi_status == MPI2_SCSI_STATUS_RESERVATION_CONFLICT || | |
3429 | scsi_status == MPI2_SCSI_STATUS_TASK_SET_FULL)) { | |
3430 | ioc_status = MPI2_IOCSTATUS_SUCCESS; | |
3431 | } | |
3432 | ||
3433 | if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) { | |
3434 | struct sense_info data; | |
3435 | const void *sense_data = mpt2sas_base_get_sense_buffer(ioc, | |
3436 | smid); | |
0d04df9b | 3437 | u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE, |
635374e7 | 3438 | le32_to_cpu(mpi_reply->SenseCount)); |
0d04df9b | 3439 | memcpy(scmd->sense_buffer, sense_data, sz); |
635374e7 EM |
3440 | _scsih_normalize_sense(scmd->sense_buffer, &data); |
3441 | /* failure prediction threshold exceeded */ | |
3442 | if (data.asc == 0x5D) | |
3443 | _scsih_smart_predicted_fault(ioc, | |
3444 | le16_to_cpu(mpi_reply->DevHandle)); | |
3445 | } | |
3446 | ||
3447 | switch (ioc_status) { | |
3448 | case MPI2_IOCSTATUS_BUSY: | |
3449 | case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES: | |
3450 | scmd->result = SAM_STAT_BUSY; | |
3451 | break; | |
3452 | ||
3453 | case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: | |
3454 | scmd->result = DID_NO_CONNECT << 16; | |
3455 | break; | |
3456 | ||
3457 | case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: | |
3458 | if (sas_device_priv_data->block) { | |
e4e7c7ed KD |
3459 | scmd->result = DID_TRANSPORT_DISRUPTED << 16; |
3460 | goto out; | |
635374e7 | 3461 | } |
635374e7 EM |
3462 | case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: |
3463 | case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: | |
3464 | scmd->result = DID_RESET << 16; | |
3465 | break; | |
3466 | ||
3467 | case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: | |
3468 | if ((xfer_cnt == 0) || (scmd->underflow > xfer_cnt)) | |
3469 | scmd->result = DID_SOFT_ERROR << 16; | |
3470 | else | |
3471 | scmd->result = (DID_OK << 16) | scsi_status; | |
3472 | break; | |
3473 | ||
3474 | case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: | |
3475 | scmd->result = (DID_OK << 16) | scsi_status; | |
3476 | ||
3477 | if ((scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)) | |
3478 | break; | |
3479 | ||
3480 | if (xfer_cnt < scmd->underflow) { | |
3481 | if (scsi_status == SAM_STAT_BUSY) | |
3482 | scmd->result = SAM_STAT_BUSY; | |
3483 | else | |
3484 | scmd->result = DID_SOFT_ERROR << 16; | |
3485 | } else if (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED | | |
3486 | MPI2_SCSI_STATE_NO_SCSI_STATUS)) | |
3487 | scmd->result = DID_SOFT_ERROR << 16; | |
3488 | else if (scsi_state & MPI2_SCSI_STATE_TERMINATED) | |
3489 | scmd->result = DID_RESET << 16; | |
3490 | else if (!xfer_cnt && scmd->cmnd[0] == REPORT_LUNS) { | |
3491 | mpi_reply->SCSIState = MPI2_SCSI_STATE_AUTOSENSE_VALID; | |
3492 | mpi_reply->SCSIStatus = SAM_STAT_CHECK_CONDITION; | |
3493 | scmd->result = (DRIVER_SENSE << 24) | | |
3494 | SAM_STAT_CHECK_CONDITION; | |
3495 | scmd->sense_buffer[0] = 0x70; | |
3496 | scmd->sense_buffer[2] = ILLEGAL_REQUEST; | |
3497 | scmd->sense_buffer[12] = 0x20; | |
3498 | scmd->sense_buffer[13] = 0; | |
3499 | } | |
3500 | break; | |
3501 | ||
3502 | case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: | |
3503 | scsi_set_resid(scmd, 0); | |
3504 | case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: | |
3505 | case MPI2_IOCSTATUS_SUCCESS: | |
3506 | scmd->result = (DID_OK << 16) | scsi_status; | |
9982f594 KD |
3507 | if (response_code == |
3508 | MPI2_SCSITASKMGMT_RSP_INVALID_FRAME || | |
3509 | (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED | | |
3510 | MPI2_SCSI_STATE_NO_SCSI_STATUS))) | |
635374e7 EM |
3511 | scmd->result = DID_SOFT_ERROR << 16; |
3512 | else if (scsi_state & MPI2_SCSI_STATE_TERMINATED) | |
3513 | scmd->result = DID_RESET << 16; | |
3514 | break; | |
3515 | ||
3c621b3e EM |
3516 | case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: |
3517 | case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: | |
3518 | case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: | |
3519 | _scsih_eedp_error_handling(scmd, ioc_status); | |
3520 | break; | |
635374e7 EM |
3521 | case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: |
3522 | case MPI2_IOCSTATUS_INVALID_FUNCTION: | |
3523 | case MPI2_IOCSTATUS_INVALID_SGL: | |
3524 | case MPI2_IOCSTATUS_INTERNAL_ERROR: | |
3525 | case MPI2_IOCSTATUS_INVALID_FIELD: | |
3526 | case MPI2_IOCSTATUS_INVALID_STATE: | |
3527 | case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: | |
3528 | case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: | |
3529 | default: | |
3530 | scmd->result = DID_SOFT_ERROR << 16; | |
3531 | break; | |
3532 | ||
3533 | } | |
3534 | ||
3535 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
3536 | if (scmd->result && (ioc->logging_level & MPT_DEBUG_REPLY)) | |
3537 | _scsih_scsi_ioc_info(ioc , scmd, mpi_reply, smid); | |
3538 | #endif | |
3539 | ||
3540 | out: | |
3541 | scsi_dma_unmap(scmd); | |
3542 | scmd->scsi_done(scmd); | |
77e63ed4 | 3543 | return 1; |
635374e7 EM |
3544 | } |
3545 | ||
635374e7 EM |
3546 | /** |
3547 | * _scsih_sas_host_refresh - refreshing sas host object contents | |
3548 | * @ioc: per adapter object | |
635374e7 EM |
3549 | * Context: user |
3550 | * | |
3551 | * During port enable, fw will send topology events for every device. Its | |
3552 | * possible that the handles may change from the previous setting, so this | |
3553 | * code keeping handles updating if changed. | |
3554 | * | |
3555 | * Return nothing. | |
3556 | */ | |
3557 | static void | |
c5e039be | 3558 | _scsih_sas_host_refresh(struct MPT2SAS_ADAPTER *ioc) |
635374e7 EM |
3559 | { |
3560 | u16 sz; | |
3561 | u16 ioc_status; | |
3562 | int i; | |
3563 | Mpi2ConfigReply_t mpi_reply; | |
3564 | Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL; | |
c5e039be | 3565 | u16 attached_handle; |
635374e7 EM |
3566 | |
3567 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT | |
3568 | "updating handles for sas_host(0x%016llx)\n", | |
3569 | ioc->name, (unsigned long long)ioc->sas_hba.sas_address)); | |
3570 | ||
3571 | sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys | |
3572 | * sizeof(Mpi2SasIOUnit0PhyData_t)); | |
3573 | sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL); | |
3574 | if (!sas_iounit_pg0) { | |
3575 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3576 | ioc->name, __FILE__, __LINE__, __func__); | |
3577 | return; | |
3578 | } | |
635374e7 | 3579 | |
c5e039be KD |
3580 | if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply, |
3581 | sas_iounit_pg0, sz)) != 0) | |
3582 | goto out; | |
3583 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; | |
3584 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) | |
3585 | goto out; | |
3586 | for (i = 0; i < ioc->sas_hba.num_phys ; i++) { | |
3587 | if (i == 0) | |
3588 | ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0-> | |
3589 | PhyData[0].ControllerDevHandle); | |
3590 | ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle; | |
3591 | attached_handle = le16_to_cpu(sas_iounit_pg0->PhyData[i]. | |
3592 | AttachedDevHandle); | |
3593 | mpt2sas_transport_update_links(ioc, ioc->sas_hba.sas_address, | |
3594 | attached_handle, i, sas_iounit_pg0->PhyData[i]. | |
3595 | NegotiatedLinkRate >> 4); | |
3596 | } | |
635374e7 EM |
3597 | out: |
3598 | kfree(sas_iounit_pg0); | |
3599 | } | |
3600 | ||
3601 | /** | |
3602 | * _scsih_sas_host_add - create sas host object | |
3603 | * @ioc: per adapter object | |
3604 | * | |
3605 | * Creating host side data object, stored in ioc->sas_hba | |
3606 | * | |
3607 | * Return nothing. | |
3608 | */ | |
3609 | static void | |
3610 | _scsih_sas_host_add(struct MPT2SAS_ADAPTER *ioc) | |
3611 | { | |
3612 | int i; | |
3613 | Mpi2ConfigReply_t mpi_reply; | |
3614 | Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL; | |
3615 | Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; | |
3616 | Mpi2SasPhyPage0_t phy_pg0; | |
3617 | Mpi2SasDevicePage0_t sas_device_pg0; | |
3618 | Mpi2SasEnclosurePage0_t enclosure_pg0; | |
3619 | u16 ioc_status; | |
3620 | u16 sz; | |
3621 | u16 device_missing_delay; | |
3622 | ||
3623 | mpt2sas_config_get_number_hba_phys(ioc, &ioc->sas_hba.num_phys); | |
3624 | if (!ioc->sas_hba.num_phys) { | |
3625 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3626 | ioc->name, __FILE__, __LINE__, __func__); | |
3627 | return; | |
3628 | } | |
3629 | ||
3630 | /* sas_iounit page 0 */ | |
3631 | sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys * | |
3632 | sizeof(Mpi2SasIOUnit0PhyData_t)); | |
3633 | sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL); | |
3634 | if (!sas_iounit_pg0) { | |
3635 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3636 | ioc->name, __FILE__, __LINE__, __func__); | |
3637 | return; | |
3638 | } | |
3639 | if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply, | |
3640 | sas_iounit_pg0, sz))) { | |
3641 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3642 | ioc->name, __FILE__, __LINE__, __func__); | |
3643 | goto out; | |
3644 | } | |
3645 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
3646 | MPI2_IOCSTATUS_MASK; | |
3647 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
3648 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3649 | ioc->name, __FILE__, __LINE__, __func__); | |
3650 | goto out; | |
3651 | } | |
3652 | ||
3653 | /* sas_iounit page 1 */ | |
3654 | sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys * | |
3655 | sizeof(Mpi2SasIOUnit1PhyData_t)); | |
3656 | sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); | |
3657 | if (!sas_iounit_pg1) { | |
3658 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3659 | ioc->name, __FILE__, __LINE__, __func__); | |
3660 | goto out; | |
3661 | } | |
3662 | if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, | |
3663 | sas_iounit_pg1, sz))) { | |
3664 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3665 | ioc->name, __FILE__, __LINE__, __func__); | |
3666 | goto out; | |
3667 | } | |
3668 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
3669 | MPI2_IOCSTATUS_MASK; | |
3670 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
3671 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3672 | ioc->name, __FILE__, __LINE__, __func__); | |
3673 | goto out; | |
3674 | } | |
3675 | ||
3676 | ioc->io_missing_delay = | |
3677 | le16_to_cpu(sas_iounit_pg1->IODeviceMissingDelay); | |
3678 | device_missing_delay = | |
3679 | le16_to_cpu(sas_iounit_pg1->ReportDeviceMissingDelay); | |
3680 | if (device_missing_delay & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16) | |
3681 | ioc->device_missing_delay = (device_missing_delay & | |
3682 | MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16; | |
3683 | else | |
3684 | ioc->device_missing_delay = device_missing_delay & | |
3685 | MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK; | |
3686 | ||
3687 | ioc->sas_hba.parent_dev = &ioc->shost->shost_gendev; | |
3688 | ioc->sas_hba.phy = kcalloc(ioc->sas_hba.num_phys, | |
3689 | sizeof(struct _sas_phy), GFP_KERNEL); | |
3690 | if (!ioc->sas_hba.phy) { | |
3691 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3692 | ioc->name, __FILE__, __LINE__, __func__); | |
3693 | goto out; | |
3694 | } | |
3695 | for (i = 0; i < ioc->sas_hba.num_phys ; i++) { | |
3696 | if ((mpt2sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0, | |
3697 | i))) { | |
3698 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3699 | ioc->name, __FILE__, __LINE__, __func__); | |
3700 | goto out; | |
3701 | } | |
3702 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
3703 | MPI2_IOCSTATUS_MASK; | |
3704 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
3705 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3706 | ioc->name, __FILE__, __LINE__, __func__); | |
3707 | goto out; | |
3708 | } | |
c5e039be KD |
3709 | |
3710 | if (i == 0) | |
3711 | ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0-> | |
3712 | PhyData[0].ControllerDevHandle); | |
3713 | ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle; | |
635374e7 EM |
3714 | ioc->sas_hba.phy[i].phy_id = i; |
3715 | mpt2sas_transport_add_host_phy(ioc, &ioc->sas_hba.phy[i], | |
3716 | phy_pg0, ioc->sas_hba.parent_dev); | |
3717 | } | |
3718 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
c5e039be | 3719 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, ioc->sas_hba.handle))) { |
635374e7 EM |
3720 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
3721 | ioc->name, __FILE__, __LINE__, __func__); | |
3722 | goto out; | |
3723 | } | |
635374e7 EM |
3724 | ioc->sas_hba.enclosure_handle = |
3725 | le16_to_cpu(sas_device_pg0.EnclosureHandle); | |
3726 | ioc->sas_hba.sas_address = le64_to_cpu(sas_device_pg0.SASAddress); | |
3727 | printk(MPT2SAS_INFO_FMT "host_add: handle(0x%04x), " | |
3728 | "sas_addr(0x%016llx), phys(%d)\n", ioc->name, ioc->sas_hba.handle, | |
3729 | (unsigned long long) ioc->sas_hba.sas_address, | |
3730 | ioc->sas_hba.num_phys) ; | |
3731 | ||
3732 | if (ioc->sas_hba.enclosure_handle) { | |
3733 | if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply, | |
3734 | &enclosure_pg0, | |
3735 | MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, | |
3736 | ioc->sas_hba.enclosure_handle))) { | |
3737 | ioc->sas_hba.enclosure_logical_id = | |
3738 | le64_to_cpu(enclosure_pg0.EnclosureLogicalID); | |
3739 | } | |
3740 | } | |
3741 | ||
3742 | out: | |
3743 | kfree(sas_iounit_pg1); | |
3744 | kfree(sas_iounit_pg0); | |
3745 | } | |
3746 | ||
3747 | /** | |
3748 | * _scsih_expander_add - creating expander object | |
3749 | * @ioc: per adapter object | |
3750 | * @handle: expander handle | |
3751 | * | |
3752 | * Creating expander object, stored in ioc->sas_expander_list. | |
3753 | * | |
3754 | * Return 0 for success, else error. | |
3755 | */ | |
3756 | static int | |
3757 | _scsih_expander_add(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
3758 | { | |
3759 | struct _sas_node *sas_expander; | |
3760 | Mpi2ConfigReply_t mpi_reply; | |
3761 | Mpi2ExpanderPage0_t expander_pg0; | |
3762 | Mpi2ExpanderPage1_t expander_pg1; | |
3763 | Mpi2SasEnclosurePage0_t enclosure_pg0; | |
3764 | u32 ioc_status; | |
3765 | u16 parent_handle; | |
c5e039be | 3766 | __le64 sas_address, sas_address_parent = 0; |
635374e7 EM |
3767 | int i; |
3768 | unsigned long flags; | |
20f5895d | 3769 | struct _sas_port *mpt2sas_port = NULL; |
635374e7 EM |
3770 | int rc = 0; |
3771 | ||
3772 | if (!handle) | |
3773 | return -1; | |
3774 | ||
155dd4c7 KD |
3775 | if (ioc->shost_recovery) |
3776 | return -1; | |
3777 | ||
635374e7 EM |
3778 | if ((mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, |
3779 | MPI2_SAS_EXPAND_PGAD_FORM_HNDL, handle))) { | |
3780 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3781 | ioc->name, __FILE__, __LINE__, __func__); | |
3782 | return -1; | |
3783 | } | |
3784 | ||
3785 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
3786 | MPI2_IOCSTATUS_MASK; | |
3787 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
3788 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3789 | ioc->name, __FILE__, __LINE__, __func__); | |
3790 | return -1; | |
3791 | } | |
3792 | ||
3793 | /* handle out of order topology events */ | |
3794 | parent_handle = le16_to_cpu(expander_pg0.ParentDevHandle); | |
c5e039be KD |
3795 | if (_scsih_get_sas_address(ioc, parent_handle, &sas_address_parent) |
3796 | != 0) { | |
3797 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3798 | ioc->name, __FILE__, __LINE__, __func__); | |
3799 | return -1; | |
3800 | } | |
3801 | if (sas_address_parent != ioc->sas_hba.sas_address) { | |
635374e7 | 3802 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
c5e039be KD |
3803 | sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc, |
3804 | sas_address_parent); | |
635374e7 EM |
3805 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
3806 | if (!sas_expander) { | |
3807 | rc = _scsih_expander_add(ioc, parent_handle); | |
3808 | if (rc != 0) | |
3809 | return rc; | |
3810 | } | |
3811 | } | |
3812 | ||
635374e7 | 3813 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
595bb0bd | 3814 | sas_address = le64_to_cpu(expander_pg0.SASAddress); |
635374e7 EM |
3815 | sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc, |
3816 | sas_address); | |
3817 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
3818 | ||
3819 | if (sas_expander) | |
3820 | return 0; | |
3821 | ||
3822 | sas_expander = kzalloc(sizeof(struct _sas_node), | |
3823 | GFP_KERNEL); | |
3824 | if (!sas_expander) { | |
3825 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3826 | ioc->name, __FILE__, __LINE__, __func__); | |
3827 | return -1; | |
3828 | } | |
3829 | ||
3830 | sas_expander->handle = handle; | |
3831 | sas_expander->num_phys = expander_pg0.NumPhys; | |
c5e039be | 3832 | sas_expander->sas_address_parent = sas_address_parent; |
635374e7 EM |
3833 | sas_expander->sas_address = sas_address; |
3834 | ||
3835 | printk(MPT2SAS_INFO_FMT "expander_add: handle(0x%04x)," | |
3836 | " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc->name, | |
c5e039be | 3837 | handle, parent_handle, (unsigned long long) |
635374e7 EM |
3838 | sas_expander->sas_address, sas_expander->num_phys); |
3839 | ||
3840 | if (!sas_expander->num_phys) | |
3841 | goto out_fail; | |
3842 | sas_expander->phy = kcalloc(sas_expander->num_phys, | |
3843 | sizeof(struct _sas_phy), GFP_KERNEL); | |
3844 | if (!sas_expander->phy) { | |
3845 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3846 | ioc->name, __FILE__, __LINE__, __func__); | |
3847 | rc = -1; | |
3848 | goto out_fail; | |
3849 | } | |
3850 | ||
3851 | INIT_LIST_HEAD(&sas_expander->sas_port_list); | |
3852 | mpt2sas_port = mpt2sas_transport_port_add(ioc, handle, | |
c5e039be | 3853 | sas_address_parent); |
635374e7 EM |
3854 | if (!mpt2sas_port) { |
3855 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3856 | ioc->name, __FILE__, __LINE__, __func__); | |
3857 | rc = -1; | |
3858 | goto out_fail; | |
3859 | } | |
3860 | sas_expander->parent_dev = &mpt2sas_port->rphy->dev; | |
3861 | ||
3862 | for (i = 0 ; i < sas_expander->num_phys ; i++) { | |
3863 | if ((mpt2sas_config_get_expander_pg1(ioc, &mpi_reply, | |
3864 | &expander_pg1, i, handle))) { | |
3865 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3866 | ioc->name, __FILE__, __LINE__, __func__); | |
20f5895d KD |
3867 | rc = -1; |
3868 | goto out_fail; | |
635374e7 EM |
3869 | } |
3870 | sas_expander->phy[i].handle = handle; | |
3871 | sas_expander->phy[i].phy_id = i; | |
20f5895d KD |
3872 | |
3873 | if ((mpt2sas_transport_add_expander_phy(ioc, | |
3874 | &sas_expander->phy[i], expander_pg1, | |
3875 | sas_expander->parent_dev))) { | |
3876 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3877 | ioc->name, __FILE__, __LINE__, __func__); | |
3878 | rc = -1; | |
3879 | goto out_fail; | |
3880 | } | |
635374e7 EM |
3881 | } |
3882 | ||
3883 | if (sas_expander->enclosure_handle) { | |
3884 | if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply, | |
3885 | &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, | |
3886 | sas_expander->enclosure_handle))) { | |
3887 | sas_expander->enclosure_logical_id = | |
3888 | le64_to_cpu(enclosure_pg0.EnclosureLogicalID); | |
3889 | } | |
3890 | } | |
3891 | ||
3892 | _scsih_expander_node_add(ioc, sas_expander); | |
3893 | return 0; | |
3894 | ||
3895 | out_fail: | |
3896 | ||
20f5895d KD |
3897 | if (mpt2sas_port) |
3898 | mpt2sas_transport_port_remove(ioc, sas_expander->sas_address, | |
c5e039be | 3899 | sas_address_parent); |
635374e7 EM |
3900 | kfree(sas_expander); |
3901 | return rc; | |
3902 | } | |
3903 | ||
744090d3 KD |
3904 | /** |
3905 | * _scsih_done - scsih callback handler. | |
3906 | * @ioc: per adapter object | |
3907 | * @smid: system request message index | |
3908 | * @msix_index: MSIX table index supplied by the OS | |
3909 | * @reply: reply message frame(lower 32bit addr) | |
3910 | * | |
3911 | * Callback handler when sending internal generated message frames. | |
3912 | * The callback index passed is `ioc->scsih_cb_idx` | |
3913 | * | |
3914 | * Return 1 meaning mf should be freed from _base_interrupt | |
3915 | * 0 means the mf is freed from this function. | |
3916 | */ | |
3917 | static u8 | |
3918 | _scsih_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) | |
3919 | { | |
3920 | MPI2DefaultReply_t *mpi_reply; | |
3921 | ||
3922 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
3923 | if (ioc->scsih_cmds.status == MPT2_CMD_NOT_USED) | |
3924 | return 1; | |
3925 | if (ioc->scsih_cmds.smid != smid) | |
3926 | return 1; | |
3927 | ioc->scsih_cmds.status |= MPT2_CMD_COMPLETE; | |
3928 | if (mpi_reply) { | |
3929 | memcpy(ioc->scsih_cmds.reply, mpi_reply, | |
3930 | mpi_reply->MsgLength*4); | |
3931 | ioc->scsih_cmds.status |= MPT2_CMD_REPLY_VALID; | |
3932 | } | |
3933 | ioc->scsih_cmds.status &= ~MPT2_CMD_PENDING; | |
3934 | complete(&ioc->scsih_cmds.done); | |
3935 | return 1; | |
3936 | } | |
3937 | ||
635374e7 EM |
3938 | /** |
3939 | * _scsih_expander_remove - removing expander object | |
3940 | * @ioc: per adapter object | |
c5e039be | 3941 | * @sas_address: expander sas_address |
635374e7 EM |
3942 | * |
3943 | * Return nothing. | |
3944 | */ | |
3945 | static void | |
c5e039be | 3946 | _scsih_expander_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address) |
635374e7 EM |
3947 | { |
3948 | struct _sas_node *sas_expander; | |
3949 | unsigned long flags; | |
3950 | ||
155dd4c7 KD |
3951 | if (ioc->shost_recovery) |
3952 | return; | |
3953 | ||
635374e7 | 3954 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
c5e039be KD |
3955 | sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc, |
3956 | sas_address); | |
635374e7 EM |
3957 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
3958 | _scsih_expander_node_remove(ioc, sas_expander); | |
3959 | } | |
3960 | ||
b4344276 KD |
3961 | /** |
3962 | * _scsih_check_access_status - check access flags | |
3963 | * @ioc: per adapter object | |
3964 | * @sas_address: sas address | |
3965 | * @handle: sas device handle | |
3966 | * @access_flags: errors returned during discovery of the device | |
3967 | * | |
3968 | * Return 0 for success, else failure | |
3969 | */ | |
3970 | static u8 | |
3971 | _scsih_check_access_status(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, | |
3972 | u16 handle, u8 access_status) | |
3973 | { | |
3974 | u8 rc = 1; | |
3975 | char *desc = NULL; | |
3976 | ||
3977 | switch (access_status) { | |
3978 | case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS: | |
3979 | case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION: | |
3980 | rc = 0; | |
3981 | break; | |
3982 | case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED: | |
3983 | desc = "sata capability failed"; | |
3984 | break; | |
3985 | case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT: | |
3986 | desc = "sata affiliation conflict"; | |
3987 | break; | |
3988 | case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE: | |
3989 | desc = "route not addressable"; | |
3990 | break; | |
3991 | case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE: | |
3992 | desc = "smp error not addressable"; | |
3993 | break; | |
3994 | case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED: | |
3995 | desc = "device blocked"; | |
3996 | break; | |
3997 | case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED: | |
3998 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN: | |
3999 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT: | |
4000 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG: | |
4001 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION: | |
4002 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER: | |
4003 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN: | |
4004 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN: | |
4005 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN: | |
4006 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION: | |
4007 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE: | |
4008 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX: | |
4009 | desc = "sata initialization failed"; | |
4010 | break; | |
4011 | default: | |
4012 | desc = "unknown"; | |
4013 | break; | |
4014 | } | |
4015 | ||
4016 | if (!rc) | |
4017 | return 0; | |
4018 | ||
4019 | printk(MPT2SAS_ERR_FMT "discovery errors(%s): sas_address(0x%016llx), " | |
4020 | "handle(0x%04x)\n", ioc->name, desc, | |
4021 | (unsigned long long)sas_address, handle); | |
4022 | return rc; | |
4023 | } | |
4024 | ||
4025 | static void | |
4026 | _scsih_check_device(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
4027 | { | |
4028 | Mpi2ConfigReply_t mpi_reply; | |
4029 | Mpi2SasDevicePage0_t sas_device_pg0; | |
4030 | struct _sas_device *sas_device; | |
4031 | u32 ioc_status; | |
4032 | unsigned long flags; | |
4033 | u64 sas_address; | |
4034 | struct scsi_target *starget; | |
4035 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
4036 | u32 device_info; | |
4037 | ||
4038 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
4039 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) | |
4040 | return; | |
4041 | ||
4042 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; | |
4043 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) | |
4044 | return; | |
4045 | ||
4046 | /* check if this is end device */ | |
4047 | device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); | |
4048 | if (!(_scsih_is_end_device(device_info))) | |
4049 | return; | |
4050 | ||
4051 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
4052 | sas_address = le64_to_cpu(sas_device_pg0.SASAddress); | |
4053 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
4054 | sas_address); | |
4055 | ||
4056 | if (!sas_device) { | |
4057 | printk(MPT2SAS_ERR_FMT "device is not present " | |
4058 | "handle(0x%04x), no sas_device!!!\n", ioc->name, handle); | |
4059 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4060 | return; | |
4061 | } | |
4062 | ||
4063 | if (unlikely(sas_device->handle != handle)) { | |
4064 | starget = sas_device->starget; | |
4065 | sas_target_priv_data = starget->hostdata; | |
4066 | starget_printk(KERN_INFO, starget, "handle changed from(0x%04x)" | |
4067 | " to (0x%04x)!!!\n", sas_device->handle, handle); | |
4068 | sas_target_priv_data->handle = handle; | |
4069 | sas_device->handle = handle; | |
4070 | } | |
4071 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4072 | ||
4073 | /* check if device is present */ | |
4074 | if (!(le16_to_cpu(sas_device_pg0.Flags) & | |
4075 | MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) { | |
4076 | printk(MPT2SAS_ERR_FMT "device is not present " | |
4077 | "handle(0x%04x), flags!!!\n", ioc->name, handle); | |
4078 | return; | |
4079 | } | |
4080 | ||
4081 | /* check if there were any issues with discovery */ | |
4082 | if (_scsih_check_access_status(ioc, sas_address, handle, | |
4083 | sas_device_pg0.AccessStatus)) | |
4084 | return; | |
4085 | _scsih_ublock_io_device(ioc, handle); | |
4086 | ||
4087 | } | |
4088 | ||
635374e7 EM |
4089 | /** |
4090 | * _scsih_add_device - creating sas device object | |
4091 | * @ioc: per adapter object | |
4092 | * @handle: sas device handle | |
4093 | * @phy_num: phy number end device attached to | |
4094 | * @is_pd: is this hidden raid component | |
4095 | * | |
4096 | * Creating end device object, stored in ioc->sas_device_list. | |
4097 | * | |
4098 | * Returns 0 for success, non-zero for failure. | |
4099 | */ | |
4100 | static int | |
4101 | _scsih_add_device(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 phy_num, u8 is_pd) | |
4102 | { | |
4103 | Mpi2ConfigReply_t mpi_reply; | |
4104 | Mpi2SasDevicePage0_t sas_device_pg0; | |
4105 | Mpi2SasEnclosurePage0_t enclosure_pg0; | |
4106 | struct _sas_device *sas_device; | |
4107 | u32 ioc_status; | |
4108 | __le64 sas_address; | |
4109 | u32 device_info; | |
4110 | unsigned long flags; | |
4111 | ||
4112 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
4113 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { | |
4114 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4115 | ioc->name, __FILE__, __LINE__, __func__); | |
4116 | return -1; | |
4117 | } | |
4118 | ||
4119 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
4120 | MPI2_IOCSTATUS_MASK; | |
4121 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
4122 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4123 | ioc->name, __FILE__, __LINE__, __func__); | |
4124 | return -1; | |
4125 | } | |
4126 | ||
b4344276 KD |
4127 | sas_address = le64_to_cpu(sas_device_pg0.SASAddress); |
4128 | ||
635374e7 EM |
4129 | /* check if device is present */ |
4130 | if (!(le16_to_cpu(sas_device_pg0.Flags) & | |
4131 | MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) { | |
4132 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4133 | ioc->name, __FILE__, __LINE__, __func__); | |
4134 | printk(MPT2SAS_ERR_FMT "Flags = 0x%04x\n", | |
4135 | ioc->name, le16_to_cpu(sas_device_pg0.Flags)); | |
4136 | return -1; | |
4137 | } | |
4138 | ||
b4344276 KD |
4139 | /* check if there were any issues with discovery */ |
4140 | if (_scsih_check_access_status(ioc, sas_address, handle, | |
4141 | sas_device_pg0.AccessStatus)) | |
635374e7 | 4142 | return -1; |
635374e7 EM |
4143 | |
4144 | /* check if this is end device */ | |
4145 | device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); | |
4146 | if (!(_scsih_is_end_device(device_info))) { | |
4147 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4148 | ioc->name, __FILE__, __LINE__, __func__); | |
4149 | return -1; | |
4150 | } | |
4151 | ||
635374e7 EM |
4152 | |
4153 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
4154 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
4155 | sas_address); | |
4156 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4157 | ||
b4344276 | 4158 | if (sas_device) |
635374e7 | 4159 | return 0; |
635374e7 EM |
4160 | |
4161 | sas_device = kzalloc(sizeof(struct _sas_device), | |
4162 | GFP_KERNEL); | |
4163 | if (!sas_device) { | |
4164 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4165 | ioc->name, __FILE__, __LINE__, __func__); | |
4166 | return -1; | |
4167 | } | |
4168 | ||
4169 | sas_device->handle = handle; | |
c5e039be KD |
4170 | if (_scsih_get_sas_address(ioc, le16_to_cpu |
4171 | (sas_device_pg0.ParentDevHandle), | |
4172 | &sas_device->sas_address_parent) != 0) | |
4173 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4174 | ioc->name, __FILE__, __LINE__, __func__); | |
635374e7 EM |
4175 | sas_device->enclosure_handle = |
4176 | le16_to_cpu(sas_device_pg0.EnclosureHandle); | |
4177 | sas_device->slot = | |
4178 | le16_to_cpu(sas_device_pg0.Slot); | |
4179 | sas_device->device_info = device_info; | |
4180 | sas_device->sas_address = sas_address; | |
4181 | sas_device->hidden_raid_component = is_pd; | |
4182 | ||
4183 | /* get enclosure_logical_id */ | |
15052c9e KD |
4184 | if (sas_device->enclosure_handle && !(mpt2sas_config_get_enclosure_pg0( |
4185 | ioc, &mpi_reply, &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, | |
4186 | sas_device->enclosure_handle))) | |
635374e7 EM |
4187 | sas_device->enclosure_logical_id = |
4188 | le64_to_cpu(enclosure_pg0.EnclosureLogicalID); | |
635374e7 EM |
4189 | |
4190 | /* get device name */ | |
4191 | sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName); | |
4192 | ||
4193 | if (ioc->wait_for_port_enable_to_complete) | |
4194 | _scsih_sas_device_init_add(ioc, sas_device); | |
4195 | else | |
4196 | _scsih_sas_device_add(ioc, sas_device); | |
4197 | ||
4198 | return 0; | |
4199 | } | |
4200 | ||
4201 | /** | |
1278b11f | 4202 | * _scsih_remove_pd_device - removing sas device pd object |
635374e7 | 4203 | * @ioc: per adapter object |
1278b11f | 4204 | * @sas_device_delete: the sas_device object |
635374e7 | 4205 | * |
1278b11f KD |
4206 | * For hidden raid components, we do driver-fw handshake from |
4207 | * hotplug work threads. | |
635374e7 EM |
4208 | * Return nothing. |
4209 | */ | |
4210 | static void | |
1278b11f KD |
4211 | _scsih_remove_pd_device(struct MPT2SAS_ADAPTER *ioc, struct _sas_device |
4212 | sas_device) | |
635374e7 | 4213 | { |
635374e7 EM |
4214 | Mpi2SasIoUnitControlReply_t mpi_reply; |
4215 | Mpi2SasIoUnitControlRequest_t mpi_request; | |
1278b11f | 4216 | u16 vol_handle, handle; |
635374e7 | 4217 | |
1278b11f | 4218 | handle = sas_device.handle; |
c5e039be KD |
4219 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter: handle(0x%04x)," |
4220 | " sas_addr(0x%016llx)\n", ioc->name, __func__, handle, | |
1278b11f | 4221 | (unsigned long long) sas_device.sas_address)); |
635374e7 | 4222 | |
1278b11f KD |
4223 | vol_handle = sas_device.volume_handle; |
4224 | if (!vol_handle) | |
4225 | return; | |
4226 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "issue target reset: " | |
4227 | "handle(0x%04x)\n", ioc->name, vol_handle)); | |
8ed9a03a KD |
4228 | mpt2sas_scsih_issue_tm(ioc, vol_handle, 0, 0, 0, |
4229 | MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 30, NULL); | |
1278b11f KD |
4230 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "issue target reset " |
4231 | "done: handle(0x%04x)\n", ioc->name, vol_handle)); | |
4232 | if (ioc->shost_recovery) | |
4233 | return; | |
635374e7 EM |
4234 | |
4235 | /* SAS_IO_UNIT_CNTR - send REMOVE_DEVICE */ | |
4236 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "sas_iounit: handle" | |
4237 | "(0x%04x)\n", ioc->name, handle)); | |
4238 | memset(&mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t)); | |
4239 | mpi_request.Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL; | |
4240 | mpi_request.Operation = MPI2_SAS_OP_REMOVE_DEVICE; | |
1278b11f | 4241 | mpi_request.DevHandle = cpu_to_le16(handle); |
635374e7 | 4242 | if ((mpt2sas_base_sas_iounit_control(ioc, &mpi_reply, |
1278b11f | 4243 | &mpi_request)) != 0) |
635374e7 EM |
4244 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
4245 | ioc->name, __FILE__, __LINE__, __func__); | |
635374e7 EM |
4246 | |
4247 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "sas_iounit: ioc_status" | |
4248 | "(0x%04x), loginfo(0x%08x)\n", ioc->name, | |
4249 | le16_to_cpu(mpi_reply.IOCStatus), | |
4250 | le32_to_cpu(mpi_reply.IOCLogInfo))); | |
4251 | ||
1278b11f KD |
4252 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit: handle(0x%04x)," |
4253 | " sas_addr(0x%016llx)\n", ioc->name, __func__, handle, | |
4254 | (unsigned long long) sas_device.sas_address)); | |
4255 | } | |
4256 | ||
4257 | /** | |
4258 | * _scsih_remove_device - removing sas device object | |
4259 | * @ioc: per adapter object | |
4260 | * @sas_device_delete: the sas_device object | |
4261 | * | |
4262 | * Return nothing. | |
4263 | */ | |
4264 | static void | |
4265 | _scsih_remove_device(struct MPT2SAS_ADAPTER *ioc, | |
4266 | struct _sas_device *sas_device) | |
4267 | { | |
4268 | struct _sas_device sas_device_backup; | |
4269 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
34a03bef | 4270 | |
1278b11f KD |
4271 | if (!sas_device) |
4272 | return; | |
4273 | ||
4274 | memcpy(&sas_device_backup, sas_device, sizeof(struct _sas_device)); | |
4275 | _scsih_sas_device_remove(ioc, sas_device); | |
34a03bef | 4276 | |
1278b11f KD |
4277 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter: " |
4278 | "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, | |
4279 | sas_device_backup.handle, (unsigned long long) | |
4280 | sas_device_backup.sas_address)); | |
4281 | ||
4282 | if (sas_device_backup.starget && sas_device_backup.starget->hostdata) { | |
4283 | sas_target_priv_data = sas_device_backup.starget->hostdata; | |
4284 | sas_target_priv_data->deleted = 1; | |
4285 | } | |
4286 | ||
4287 | if (sas_device_backup.hidden_raid_component) | |
4288 | _scsih_remove_pd_device(ioc, sas_device_backup); | |
4289 | ||
4290 | _scsih_ublock_io_device(ioc, sas_device_backup.handle); | |
4291 | ||
4292 | mpt2sas_transport_port_remove(ioc, sas_device_backup.sas_address, | |
4293 | sas_device_backup.sas_address_parent); | |
635374e7 EM |
4294 | |
4295 | printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), sas_addr" | |
1278b11f KD |
4296 | "(0x%016llx)\n", ioc->name, sas_device_backup.handle, |
4297 | (unsigned long long) sas_device_backup.sas_address); | |
635374e7 | 4298 | |
1278b11f KD |
4299 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit: " |
4300 | "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, | |
4301 | sas_device_backup.handle, (unsigned long long) | |
4302 | sas_device_backup.sas_address)); | |
635374e7 EM |
4303 | } |
4304 | ||
4305 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
4306 | /** | |
4307 | * _scsih_sas_topology_change_event_debug - debug for topology event | |
4308 | * @ioc: per adapter object | |
4309 | * @event_data: event data payload | |
4310 | * Context: user. | |
4311 | */ | |
4312 | static void | |
4313 | _scsih_sas_topology_change_event_debug(struct MPT2SAS_ADAPTER *ioc, | |
4314 | Mpi2EventDataSasTopologyChangeList_t *event_data) | |
4315 | { | |
4316 | int i; | |
4317 | u16 handle; | |
4318 | u16 reason_code; | |
4319 | u8 phy_number; | |
4320 | char *status_str = NULL; | |
e7d59c17 | 4321 | u8 link_rate, prev_link_rate; |
635374e7 EM |
4322 | |
4323 | switch (event_data->ExpStatus) { | |
4324 | case MPI2_EVENT_SAS_TOPO_ES_ADDED: | |
4325 | status_str = "add"; | |
4326 | break; | |
4327 | case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING: | |
4328 | status_str = "remove"; | |
4329 | break; | |
4330 | case MPI2_EVENT_SAS_TOPO_ES_RESPONDING: | |
e7d59c17 | 4331 | case 0: |
635374e7 EM |
4332 | status_str = "responding"; |
4333 | break; | |
4334 | case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING: | |
4335 | status_str = "remove delay"; | |
4336 | break; | |
4337 | default: | |
4338 | status_str = "unknown status"; | |
4339 | break; | |
4340 | } | |
4341 | printk(MPT2SAS_DEBUG_FMT "sas topology change: (%s)\n", | |
4342 | ioc->name, status_str); | |
4343 | printk(KERN_DEBUG "\thandle(0x%04x), enclosure_handle(0x%04x) " | |
4344 | "start_phy(%02d), count(%d)\n", | |
4345 | le16_to_cpu(event_data->ExpanderDevHandle), | |
4346 | le16_to_cpu(event_data->EnclosureHandle), | |
4347 | event_data->StartPhyNum, event_data->NumEntries); | |
4348 | for (i = 0; i < event_data->NumEntries; i++) { | |
4349 | handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); | |
4350 | if (!handle) | |
4351 | continue; | |
4352 | phy_number = event_data->StartPhyNum + i; | |
4353 | reason_code = event_data->PHY[i].PhyStatus & | |
4354 | MPI2_EVENT_SAS_TOPO_RC_MASK; | |
4355 | switch (reason_code) { | |
4356 | case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: | |
e7d59c17 | 4357 | status_str = "target add"; |
635374e7 EM |
4358 | break; |
4359 | case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: | |
e7d59c17 | 4360 | status_str = "target remove"; |
635374e7 EM |
4361 | break; |
4362 | case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING: | |
e7d59c17 | 4363 | status_str = "delay target remove"; |
635374e7 EM |
4364 | break; |
4365 | case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: | |
e7d59c17 | 4366 | status_str = "link rate change"; |
635374e7 EM |
4367 | break; |
4368 | case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE: | |
e7d59c17 | 4369 | status_str = "target responding"; |
635374e7 EM |
4370 | break; |
4371 | default: | |
e7d59c17 | 4372 | status_str = "unknown"; |
635374e7 EM |
4373 | break; |
4374 | } | |
e7d59c17 KD |
4375 | link_rate = event_data->PHY[i].LinkRate >> 4; |
4376 | prev_link_rate = event_data->PHY[i].LinkRate & 0xF; | |
4377 | printk(KERN_DEBUG "\tphy(%02d), attached_handle(0x%04x): %s:" | |
4378 | " link rate: new(0x%02x), old(0x%02x)\n", phy_number, | |
4379 | handle, status_str, link_rate, prev_link_rate); | |
4380 | ||
635374e7 EM |
4381 | } |
4382 | } | |
4383 | #endif | |
4384 | ||
4385 | /** | |
4386 | * _scsih_sas_topology_change_event - handle topology changes | |
4387 | * @ioc: per adapter object | |
7b936b02 | 4388 | * @fw_event: The fw_event_work object |
635374e7 EM |
4389 | * Context: user. |
4390 | * | |
4391 | */ | |
4392 | static void | |
7b936b02 | 4393 | _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc, |
635374e7 EM |
4394 | struct fw_event_work *fw_event) |
4395 | { | |
4396 | int i; | |
4397 | u16 parent_handle, handle; | |
4398 | u16 reason_code; | |
4399 | u8 phy_number; | |
4400 | struct _sas_node *sas_expander; | |
c5e039be KD |
4401 | struct _sas_device *sas_device; |
4402 | u64 sas_address; | |
635374e7 | 4403 | unsigned long flags; |
e7d59c17 | 4404 | u8 link_rate, prev_link_rate; |
7b936b02 | 4405 | Mpi2EventDataSasTopologyChangeList_t *event_data = fw_event->event_data; |
635374e7 EM |
4406 | |
4407 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
4408 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) | |
4409 | _scsih_sas_topology_change_event_debug(ioc, event_data); | |
4410 | #endif | |
4411 | ||
6558bbb1 | 4412 | if (ioc->shost_recovery || ioc->remove_host) |
c5e039be KD |
4413 | return; |
4414 | ||
635374e7 EM |
4415 | if (!ioc->sas_hba.num_phys) |
4416 | _scsih_sas_host_add(ioc); | |
4417 | else | |
c5e039be | 4418 | _scsih_sas_host_refresh(ioc); |
635374e7 EM |
4419 | |
4420 | if (fw_event->ignore) { | |
4421 | dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "ignoring expander " | |
4422 | "event\n", ioc->name)); | |
4423 | return; | |
4424 | } | |
4425 | ||
4426 | parent_handle = le16_to_cpu(event_data->ExpanderDevHandle); | |
4427 | ||
4428 | /* handle expander add */ | |
4429 | if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_ADDED) | |
4430 | if (_scsih_expander_add(ioc, parent_handle) != 0) | |
4431 | return; | |
4432 | ||
c5e039be KD |
4433 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
4434 | sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc, | |
4435 | parent_handle); | |
4436 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
4437 | if (sas_expander) | |
4438 | sas_address = sas_expander->sas_address; | |
4439 | else if (parent_handle < ioc->sas_hba.num_phys) | |
4440 | sas_address = ioc->sas_hba.sas_address; | |
4441 | else | |
4442 | return; | |
4443 | ||
635374e7 EM |
4444 | /* handle siblings events */ |
4445 | for (i = 0; i < event_data->NumEntries; i++) { | |
4446 | if (fw_event->ignore) { | |
4447 | dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "ignoring " | |
4448 | "expander event\n", ioc->name)); | |
4449 | return; | |
4450 | } | |
6558bbb1 | 4451 | if (ioc->shost_recovery || ioc->remove_host) |
155dd4c7 | 4452 | return; |
308609c6 KD |
4453 | phy_number = event_data->StartPhyNum + i; |
4454 | reason_code = event_data->PHY[i].PhyStatus & | |
4455 | MPI2_EVENT_SAS_TOPO_RC_MASK; | |
4456 | if ((event_data->PHY[i].PhyStatus & | |
4457 | MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) && (reason_code != | |
4458 | MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)) | |
635374e7 EM |
4459 | continue; |
4460 | handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); | |
4461 | if (!handle) | |
4462 | continue; | |
c5e039be | 4463 | link_rate = event_data->PHY[i].LinkRate >> 4; |
e7d59c17 | 4464 | prev_link_rate = event_data->PHY[i].LinkRate & 0xF; |
635374e7 EM |
4465 | switch (reason_code) { |
4466 | case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: | |
e7d59c17 KD |
4467 | |
4468 | if (link_rate == prev_link_rate) | |
4469 | break; | |
4470 | ||
4471 | mpt2sas_transport_update_links(ioc, sas_address, | |
4472 | handle, phy_number, link_rate); | |
4473 | ||
b4344276 KD |
4474 | if (link_rate < MPI2_SAS_NEG_LINK_RATE_1_5) |
4475 | break; | |
4476 | ||
4477 | _scsih_check_device(ioc, handle); | |
e7d59c17 | 4478 | break; |
635374e7 | 4479 | case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: |
c5e039be KD |
4480 | |
4481 | mpt2sas_transport_update_links(ioc, sas_address, | |
4482 | handle, phy_number, link_rate); | |
4483 | ||
e7d59c17 | 4484 | _scsih_add_device(ioc, handle, phy_number, 0); |
635374e7 EM |
4485 | break; |
4486 | case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: | |
c5e039be KD |
4487 | |
4488 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
4489 | sas_device = _scsih_sas_device_find_by_handle(ioc, | |
4490 | handle); | |
4491 | if (!sas_device) { | |
4492 | spin_unlock_irqrestore(&ioc->sas_device_lock, | |
4493 | flags); | |
4494 | break; | |
4495 | } | |
4496 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4497 | _scsih_remove_device(ioc, sas_device); | |
635374e7 EM |
4498 | break; |
4499 | } | |
4500 | } | |
4501 | ||
4502 | /* handle expander removal */ | |
c5e039be KD |
4503 | if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING && |
4504 | sas_expander) | |
4505 | _scsih_expander_remove(ioc, sas_address); | |
635374e7 EM |
4506 | |
4507 | } | |
4508 | ||
4509 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
4510 | /** | |
4511 | * _scsih_sas_device_status_change_event_debug - debug for device event | |
4512 | * @event_data: event data payload | |
4513 | * Context: user. | |
4514 | * | |
4515 | * Return nothing. | |
4516 | */ | |
4517 | static void | |
4518 | _scsih_sas_device_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc, | |
4519 | Mpi2EventDataSasDeviceStatusChange_t *event_data) | |
4520 | { | |
4521 | char *reason_str = NULL; | |
4522 | ||
4523 | switch (event_data->ReasonCode) { | |
4524 | case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA: | |
4525 | reason_str = "smart data"; | |
4526 | break; | |
4527 | case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED: | |
4528 | reason_str = "unsupported device discovered"; | |
4529 | break; | |
4530 | case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET: | |
4531 | reason_str = "internal device reset"; | |
4532 | break; | |
4533 | case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL: | |
4534 | reason_str = "internal task abort"; | |
4535 | break; | |
4536 | case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL: | |
4537 | reason_str = "internal task abort set"; | |
4538 | break; | |
4539 | case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL: | |
4540 | reason_str = "internal clear task set"; | |
4541 | break; | |
4542 | case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL: | |
4543 | reason_str = "internal query task"; | |
4544 | break; | |
4545 | case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE: | |
4546 | reason_str = "sata init failure"; | |
4547 | break; | |
4548 | case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET: | |
4549 | reason_str = "internal device reset complete"; | |
4550 | break; | |
4551 | case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL: | |
4552 | reason_str = "internal task abort complete"; | |
4553 | break; | |
4554 | case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION: | |
4555 | reason_str = "internal async notification"; | |
4556 | break; | |
ec6c2b43 KD |
4557 | case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY: |
4558 | reason_str = "expander reduced functionality"; | |
4559 | break; | |
4560 | case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY: | |
4561 | reason_str = "expander reduced functionality complete"; | |
4562 | break; | |
635374e7 EM |
4563 | default: |
4564 | reason_str = "unknown reason"; | |
4565 | break; | |
4566 | } | |
4567 | printk(MPT2SAS_DEBUG_FMT "device status change: (%s)\n" | |
4568 | "\thandle(0x%04x), sas address(0x%016llx)", ioc->name, | |
4569 | reason_str, le16_to_cpu(event_data->DevHandle), | |
4570 | (unsigned long long)le64_to_cpu(event_data->SASAddress)); | |
4571 | if (event_data->ReasonCode == MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA) | |
4572 | printk(MPT2SAS_DEBUG_FMT ", ASC(0x%x), ASCQ(0x%x)\n", ioc->name, | |
4573 | event_data->ASC, event_data->ASCQ); | |
4574 | printk(KERN_INFO "\n"); | |
4575 | } | |
4576 | #endif | |
4577 | ||
4578 | /** | |
4579 | * _scsih_sas_device_status_change_event - handle device status change | |
4580 | * @ioc: per adapter object | |
7b936b02 | 4581 | * @fw_event: The fw_event_work object |
635374e7 EM |
4582 | * Context: user. |
4583 | * | |
4584 | * Return nothing. | |
4585 | */ | |
4586 | static void | |
7b936b02 KD |
4587 | _scsih_sas_device_status_change_event(struct MPT2SAS_ADAPTER *ioc, |
4588 | struct fw_event_work *fw_event) | |
635374e7 | 4589 | { |
8ffc457e KD |
4590 | struct MPT2SAS_TARGET *target_priv_data; |
4591 | struct _sas_device *sas_device; | |
4592 | __le64 sas_address; | |
4593 | unsigned long flags; | |
4594 | Mpi2EventDataSasDeviceStatusChange_t *event_data = | |
4595 | fw_event->event_data; | |
4596 | ||
635374e7 EM |
4597 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
4598 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) | |
7b936b02 | 4599 | _scsih_sas_device_status_change_event_debug(ioc, |
8ffc457e | 4600 | event_data); |
635374e7 | 4601 | #endif |
8ffc457e | 4602 | |
f891dcfd | 4603 | if (event_data->ReasonCode != |
8ffc457e | 4604 | MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET && |
f891dcfd KD |
4605 | event_data->ReasonCode != |
4606 | MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET) | |
8ffc457e KD |
4607 | return; |
4608 | ||
4609 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
4610 | sas_address = le64_to_cpu(event_data->SASAddress); | |
4611 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
4612 | sas_address); | |
4613 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4614 | ||
4615 | if (!sas_device || !sas_device->starget) | |
4616 | return; | |
4617 | ||
4618 | target_priv_data = sas_device->starget->hostdata; | |
4619 | if (!target_priv_data) | |
4620 | return; | |
4621 | ||
4622 | if (event_data->ReasonCode == | |
4623 | MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET) | |
4624 | target_priv_data->tm_busy = 1; | |
4625 | else | |
4626 | target_priv_data->tm_busy = 0; | |
635374e7 EM |
4627 | } |
4628 | ||
4629 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
4630 | /** | |
4631 | * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure event | |
4632 | * @ioc: per adapter object | |
4633 | * @event_data: event data payload | |
4634 | * Context: user. | |
4635 | * | |
4636 | * Return nothing. | |
4637 | */ | |
4638 | static void | |
4639 | _scsih_sas_enclosure_dev_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc, | |
4640 | Mpi2EventDataSasEnclDevStatusChange_t *event_data) | |
4641 | { | |
4642 | char *reason_str = NULL; | |
4643 | ||
4644 | switch (event_data->ReasonCode) { | |
4645 | case MPI2_EVENT_SAS_ENCL_RC_ADDED: | |
4646 | reason_str = "enclosure add"; | |
4647 | break; | |
4648 | case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING: | |
4649 | reason_str = "enclosure remove"; | |
4650 | break; | |
4651 | default: | |
4652 | reason_str = "unknown reason"; | |
4653 | break; | |
4654 | } | |
4655 | ||
4656 | printk(MPT2SAS_DEBUG_FMT "enclosure status change: (%s)\n" | |
4657 | "\thandle(0x%04x), enclosure logical id(0x%016llx)" | |
4658 | " number slots(%d)\n", ioc->name, reason_str, | |
4659 | le16_to_cpu(event_data->EnclosureHandle), | |
4660 | (unsigned long long)le64_to_cpu(event_data->EnclosureLogicalID), | |
4661 | le16_to_cpu(event_data->StartSlot)); | |
4662 | } | |
4663 | #endif | |
4664 | ||
4665 | /** | |
4666 | * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events | |
4667 | * @ioc: per adapter object | |
7b936b02 | 4668 | * @fw_event: The fw_event_work object |
635374e7 EM |
4669 | * Context: user. |
4670 | * | |
4671 | * Return nothing. | |
4672 | */ | |
4673 | static void | |
4674 | _scsih_sas_enclosure_dev_status_change_event(struct MPT2SAS_ADAPTER *ioc, | |
7b936b02 | 4675 | struct fw_event_work *fw_event) |
635374e7 EM |
4676 | { |
4677 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
4678 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) | |
4679 | _scsih_sas_enclosure_dev_status_change_event_debug(ioc, | |
7b936b02 | 4680 | fw_event->event_data); |
635374e7 EM |
4681 | #endif |
4682 | } | |
4683 | ||
4684 | /** | |
4685 | * _scsih_sas_broadcast_primative_event - handle broadcast events | |
4686 | * @ioc: per adapter object | |
7b936b02 | 4687 | * @fw_event: The fw_event_work object |
635374e7 EM |
4688 | * Context: user. |
4689 | * | |
4690 | * Return nothing. | |
4691 | */ | |
4692 | static void | |
7b936b02 KD |
4693 | _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc, |
4694 | struct fw_event_work *fw_event) | |
635374e7 EM |
4695 | { |
4696 | struct scsi_cmnd *scmd; | |
4697 | u16 smid, handle; | |
4698 | u32 lun; | |
4699 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
4700 | u32 termination_count; | |
4701 | u32 query_count; | |
4702 | Mpi2SCSITaskManagementReply_t *mpi_reply; | |
7b936b02 KD |
4703 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
4704 | Mpi2EventDataSasBroadcastPrimitive_t *event_data = fw_event->event_data; | |
4705 | #endif | |
463217bf | 4706 | u16 ioc_status; |
635374e7 EM |
4707 | dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "broadcast primative: " |
4708 | "phy number(%d), width(%d)\n", ioc->name, event_data->PhyNum, | |
4709 | event_data->PortWidth)); | |
635374e7 EM |
4710 | dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: enter\n", ioc->name, |
4711 | __func__)); | |
4712 | ||
635374e7 EM |
4713 | termination_count = 0; |
4714 | query_count = 0; | |
4715 | mpi_reply = ioc->tm_cmds.reply; | |
595bb0bd | 4716 | for (smid = 1; smid <= ioc->scsiio_depth; smid++) { |
635374e7 EM |
4717 | scmd = _scsih_scsi_lookup_get(ioc, smid); |
4718 | if (!scmd) | |
4719 | continue; | |
4720 | sas_device_priv_data = scmd->device->hostdata; | |
4721 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target) | |
4722 | continue; | |
4723 | /* skip hidden raid components */ | |
4724 | if (sas_device_priv_data->sas_target->flags & | |
4725 | MPT_TARGET_FLAGS_RAID_COMPONENT) | |
4726 | continue; | |
4727 | /* skip volumes */ | |
4728 | if (sas_device_priv_data->sas_target->flags & | |
4729 | MPT_TARGET_FLAGS_VOLUME) | |
4730 | continue; | |
4731 | ||
4732 | handle = sas_device_priv_data->sas_target->handle; | |
4733 | lun = sas_device_priv_data->lun; | |
4734 | query_count++; | |
4735 | ||
8ed9a03a KD |
4736 | mpt2sas_scsih_issue_tm(ioc, handle, 0, 0, lun, |
4737 | MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30, NULL); | |
8901cbb4 | 4738 | ioc->tm_cmds.status = MPT2_CMD_NOT_USED; |
463217bf KD |
4739 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) |
4740 | & MPI2_IOCSTATUS_MASK; | |
4741 | if ((ioc_status == MPI2_IOCSTATUS_SUCCESS) && | |
635374e7 EM |
4742 | (mpi_reply->ResponseCode == |
4743 | MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED || | |
4744 | mpi_reply->ResponseCode == | |
4745 | MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC)) | |
4746 | continue; | |
4747 | ||
8ed9a03a KD |
4748 | mpt2sas_scsih_issue_tm(ioc, handle, 0, 0, lun, |
4749 | MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET, 0, 30, NULL); | |
635374e7 EM |
4750 | termination_count += le32_to_cpu(mpi_reply->TerminationCount); |
4751 | } | |
635374e7 | 4752 | ioc->broadcast_aen_busy = 0; |
635374e7 EM |
4753 | |
4754 | dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT | |
4755 | "%s - exit, query_count = %d termination_count = %d\n", | |
4756 | ioc->name, __func__, query_count, termination_count)); | |
4757 | } | |
4758 | ||
4759 | /** | |
4760 | * _scsih_sas_discovery_event - handle discovery events | |
4761 | * @ioc: per adapter object | |
7b936b02 | 4762 | * @fw_event: The fw_event_work object |
635374e7 EM |
4763 | * Context: user. |
4764 | * | |
4765 | * Return nothing. | |
4766 | */ | |
4767 | static void | |
7b936b02 KD |
4768 | _scsih_sas_discovery_event(struct MPT2SAS_ADAPTER *ioc, |
4769 | struct fw_event_work *fw_event) | |
635374e7 | 4770 | { |
7b936b02 KD |
4771 | Mpi2EventDataSasDiscovery_t *event_data = fw_event->event_data; |
4772 | ||
635374e7 EM |
4773 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
4774 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) { | |
4775 | printk(MPT2SAS_DEBUG_FMT "discovery event: (%s)", ioc->name, | |
4776 | (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ? | |
4777 | "start" : "stop"); | |
4778 | if (event_data->DiscoveryStatus) | |
595bb0bd KD |
4779 | printk("discovery_status(0x%08x)", |
4780 | le32_to_cpu(event_data->DiscoveryStatus)); | |
635374e7 EM |
4781 | printk("\n"); |
4782 | } | |
4783 | #endif | |
4784 | ||
4785 | if (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED && | |
4786 | !ioc->sas_hba.num_phys) | |
4787 | _scsih_sas_host_add(ioc); | |
4788 | } | |
4789 | ||
4790 | /** | |
4791 | * _scsih_reprobe_lun - reprobing lun | |
4792 | * @sdev: scsi device struct | |
4793 | * @no_uld_attach: sdev->no_uld_attach flag setting | |
4794 | * | |
4795 | **/ | |
4796 | static void | |
4797 | _scsih_reprobe_lun(struct scsi_device *sdev, void *no_uld_attach) | |
4798 | { | |
4799 | int rc; | |
4800 | ||
4801 | sdev->no_uld_attach = no_uld_attach ? 1 : 0; | |
4802 | sdev_printk(KERN_INFO, sdev, "%s raid component\n", | |
4803 | sdev->no_uld_attach ? "hidding" : "exposing"); | |
4804 | rc = scsi_device_reprobe(sdev); | |
4805 | } | |
4806 | ||
4807 | /** | |
4808 | * _scsih_reprobe_target - reprobing target | |
4809 | * @starget: scsi target struct | |
4810 | * @no_uld_attach: sdev->no_uld_attach flag setting | |
4811 | * | |
4812 | * Note: no_uld_attach flag determines whether the disk device is attached | |
4813 | * to block layer. A value of `1` means to not attach. | |
4814 | **/ | |
4815 | static void | |
4816 | _scsih_reprobe_target(struct scsi_target *starget, int no_uld_attach) | |
4817 | { | |
4818 | struct MPT2SAS_TARGET *sas_target_priv_data = starget->hostdata; | |
4819 | ||
4820 | if (no_uld_attach) | |
4821 | sas_target_priv_data->flags |= MPT_TARGET_FLAGS_RAID_COMPONENT; | |
4822 | else | |
4823 | sas_target_priv_data->flags &= ~MPT_TARGET_FLAGS_RAID_COMPONENT; | |
4824 | ||
4825 | starget_for_each_device(starget, no_uld_attach ? (void *)1 : NULL, | |
4826 | _scsih_reprobe_lun); | |
4827 | } | |
4828 | /** | |
4829 | * _scsih_sas_volume_add - add new volume | |
4830 | * @ioc: per adapter object | |
4831 | * @element: IR config element data | |
4832 | * Context: user. | |
4833 | * | |
4834 | * Return nothing. | |
4835 | */ | |
4836 | static void | |
4837 | _scsih_sas_volume_add(struct MPT2SAS_ADAPTER *ioc, | |
4838 | Mpi2EventIrConfigElement_t *element) | |
4839 | { | |
4840 | struct _raid_device *raid_device; | |
4841 | unsigned long flags; | |
4842 | u64 wwid; | |
4843 | u16 handle = le16_to_cpu(element->VolDevHandle); | |
4844 | int rc; | |
4845 | ||
635374e7 EM |
4846 | mpt2sas_config_get_volume_wwid(ioc, handle, &wwid); |
4847 | if (!wwid) { | |
4848 | printk(MPT2SAS_ERR_FMT | |
4849 | "failure at %s:%d/%s()!\n", ioc->name, | |
4850 | __FILE__, __LINE__, __func__); | |
4851 | return; | |
4852 | } | |
4853 | ||
4854 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
4855 | raid_device = _scsih_raid_device_find_by_wwid(ioc, wwid); | |
4856 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
4857 | ||
4858 | if (raid_device) | |
4859 | return; | |
4860 | ||
4861 | raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL); | |
4862 | if (!raid_device) { | |
4863 | printk(MPT2SAS_ERR_FMT | |
4864 | "failure at %s:%d/%s()!\n", ioc->name, | |
4865 | __FILE__, __LINE__, __func__); | |
4866 | return; | |
4867 | } | |
4868 | ||
4869 | raid_device->id = ioc->sas_id++; | |
4870 | raid_device->channel = RAID_CHANNEL; | |
4871 | raid_device->handle = handle; | |
4872 | raid_device->wwid = wwid; | |
4873 | _scsih_raid_device_add(ioc, raid_device); | |
4874 | if (!ioc->wait_for_port_enable_to_complete) { | |
4875 | rc = scsi_add_device(ioc->shost, RAID_CHANNEL, | |
4876 | raid_device->id, 0); | |
4877 | if (rc) | |
4878 | _scsih_raid_device_remove(ioc, raid_device); | |
4879 | } else | |
4880 | _scsih_determine_boot_device(ioc, raid_device, 1); | |
4881 | } | |
4882 | ||
4883 | /** | |
4884 | * _scsih_sas_volume_delete - delete volume | |
4885 | * @ioc: per adapter object | |
4886 | * @element: IR config element data | |
4887 | * Context: user. | |
4888 | * | |
4889 | * Return nothing. | |
4890 | */ | |
4891 | static void | |
4892 | _scsih_sas_volume_delete(struct MPT2SAS_ADAPTER *ioc, | |
4893 | Mpi2EventIrConfigElement_t *element) | |
4894 | { | |
4895 | struct _raid_device *raid_device; | |
4896 | u16 handle = le16_to_cpu(element->VolDevHandle); | |
4897 | unsigned long flags; | |
4898 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
4899 | ||
635374e7 EM |
4900 | spin_lock_irqsave(&ioc->raid_device_lock, flags); |
4901 | raid_device = _scsih_raid_device_find_by_handle(ioc, handle); | |
4902 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
4903 | if (!raid_device) | |
4904 | return; | |
4905 | if (raid_device->starget) { | |
4906 | sas_target_priv_data = raid_device->starget->hostdata; | |
4907 | sas_target_priv_data->deleted = 1; | |
4908 | scsi_remove_target(&raid_device->starget->dev); | |
4909 | } | |
4910 | _scsih_raid_device_remove(ioc, raid_device); | |
4911 | } | |
4912 | ||
4913 | /** | |
4914 | * _scsih_sas_pd_expose - expose pd component to /dev/sdX | |
4915 | * @ioc: per adapter object | |
4916 | * @element: IR config element data | |
4917 | * Context: user. | |
4918 | * | |
4919 | * Return nothing. | |
4920 | */ | |
4921 | static void | |
4922 | _scsih_sas_pd_expose(struct MPT2SAS_ADAPTER *ioc, | |
4923 | Mpi2EventIrConfigElement_t *element) | |
4924 | { | |
4925 | struct _sas_device *sas_device; | |
4926 | unsigned long flags; | |
4927 | u16 handle = le16_to_cpu(element->PhysDiskDevHandle); | |
4928 | ||
4929 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
4930 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
4931 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4932 | if (!sas_device) | |
4933 | return; | |
4934 | ||
4935 | /* exposing raid component */ | |
4936 | sas_device->volume_handle = 0; | |
4937 | sas_device->volume_wwid = 0; | |
4938 | sas_device->hidden_raid_component = 0; | |
4939 | _scsih_reprobe_target(sas_device->starget, 0); | |
4940 | } | |
4941 | ||
4942 | /** | |
4943 | * _scsih_sas_pd_hide - hide pd component from /dev/sdX | |
4944 | * @ioc: per adapter object | |
4945 | * @element: IR config element data | |
4946 | * Context: user. | |
4947 | * | |
4948 | * Return nothing. | |
4949 | */ | |
4950 | static void | |
4951 | _scsih_sas_pd_hide(struct MPT2SAS_ADAPTER *ioc, | |
4952 | Mpi2EventIrConfigElement_t *element) | |
4953 | { | |
4954 | struct _sas_device *sas_device; | |
4955 | unsigned long flags; | |
4956 | u16 handle = le16_to_cpu(element->PhysDiskDevHandle); | |
4957 | ||
4958 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
4959 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
4960 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4961 | if (!sas_device) | |
4962 | return; | |
4963 | ||
4964 | /* hiding raid component */ | |
4965 | mpt2sas_config_get_volume_handle(ioc, handle, | |
4966 | &sas_device->volume_handle); | |
4967 | mpt2sas_config_get_volume_wwid(ioc, sas_device->volume_handle, | |
4968 | &sas_device->volume_wwid); | |
4969 | sas_device->hidden_raid_component = 1; | |
4970 | _scsih_reprobe_target(sas_device->starget, 1); | |
4971 | } | |
4972 | ||
4973 | /** | |
4974 | * _scsih_sas_pd_delete - delete pd component | |
4975 | * @ioc: per adapter object | |
4976 | * @element: IR config element data | |
4977 | * Context: user. | |
4978 | * | |
4979 | * Return nothing. | |
4980 | */ | |
4981 | static void | |
4982 | _scsih_sas_pd_delete(struct MPT2SAS_ADAPTER *ioc, | |
4983 | Mpi2EventIrConfigElement_t *element) | |
4984 | { | |
4985 | struct _sas_device *sas_device; | |
4986 | unsigned long flags; | |
4987 | u16 handle = le16_to_cpu(element->PhysDiskDevHandle); | |
4988 | ||
4989 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
4990 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
4991 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4992 | if (!sas_device) | |
4993 | return; | |
c5e039be | 4994 | _scsih_remove_device(ioc, sas_device); |
635374e7 EM |
4995 | } |
4996 | ||
4997 | /** | |
4998 | * _scsih_sas_pd_add - remove pd component | |
4999 | * @ioc: per adapter object | |
5000 | * @element: IR config element data | |
5001 | * Context: user. | |
5002 | * | |
5003 | * Return nothing. | |
5004 | */ | |
5005 | static void | |
5006 | _scsih_sas_pd_add(struct MPT2SAS_ADAPTER *ioc, | |
5007 | Mpi2EventIrConfigElement_t *element) | |
5008 | { | |
5009 | struct _sas_device *sas_device; | |
5010 | unsigned long flags; | |
5011 | u16 handle = le16_to_cpu(element->PhysDiskDevHandle); | |
62727a7b KD |
5012 | Mpi2ConfigReply_t mpi_reply; |
5013 | Mpi2SasDevicePage0_t sas_device_pg0; | |
5014 | u32 ioc_status; | |
c5e039be KD |
5015 | u64 sas_address; |
5016 | u16 parent_handle; | |
635374e7 EM |
5017 | |
5018 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
5019 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
5020 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
62727a7b | 5021 | if (sas_device) { |
635374e7 | 5022 | sas_device->hidden_raid_component = 1; |
62727a7b KD |
5023 | return; |
5024 | } | |
5025 | ||
5026 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
5027 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { | |
5028 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
5029 | ioc->name, __FILE__, __LINE__, __func__); | |
5030 | return; | |
5031 | } | |
5032 | ||
5033 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
5034 | MPI2_IOCSTATUS_MASK; | |
5035 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
5036 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
5037 | ioc->name, __FILE__, __LINE__, __func__); | |
5038 | return; | |
5039 | } | |
5040 | ||
c5e039be KD |
5041 | parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); |
5042 | if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) | |
5043 | mpt2sas_transport_update_links(ioc, sas_address, handle, | |
5044 | sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5); | |
62727a7b KD |
5045 | |
5046 | _scsih_add_device(ioc, handle, 0, 1); | |
635374e7 EM |
5047 | } |
5048 | ||
5049 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
5050 | /** | |
5051 | * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events | |
5052 | * @ioc: per adapter object | |
5053 | * @event_data: event data payload | |
5054 | * Context: user. | |
5055 | * | |
5056 | * Return nothing. | |
5057 | */ | |
5058 | static void | |
5059 | _scsih_sas_ir_config_change_event_debug(struct MPT2SAS_ADAPTER *ioc, | |
5060 | Mpi2EventDataIrConfigChangeList_t *event_data) | |
5061 | { | |
5062 | Mpi2EventIrConfigElement_t *element; | |
5063 | u8 element_type; | |
5064 | int i; | |
5065 | char *reason_str = NULL, *element_str = NULL; | |
5066 | ||
5067 | element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; | |
5068 | ||
5069 | printk(MPT2SAS_DEBUG_FMT "raid config change: (%s), elements(%d)\n", | |
5070 | ioc->name, (le32_to_cpu(event_data->Flags) & | |
5071 | MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? | |
5072 | "foreign" : "native", event_data->NumElements); | |
5073 | for (i = 0; i < event_data->NumElements; i++, element++) { | |
5074 | switch (element->ReasonCode) { | |
5075 | case MPI2_EVENT_IR_CHANGE_RC_ADDED: | |
5076 | reason_str = "add"; | |
5077 | break; | |
5078 | case MPI2_EVENT_IR_CHANGE_RC_REMOVED: | |
5079 | reason_str = "remove"; | |
5080 | break; | |
5081 | case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE: | |
5082 | reason_str = "no change"; | |
5083 | break; | |
5084 | case MPI2_EVENT_IR_CHANGE_RC_HIDE: | |
5085 | reason_str = "hide"; | |
5086 | break; | |
5087 | case MPI2_EVENT_IR_CHANGE_RC_UNHIDE: | |
5088 | reason_str = "unhide"; | |
5089 | break; | |
5090 | case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: | |
5091 | reason_str = "volume_created"; | |
5092 | break; | |
5093 | case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: | |
5094 | reason_str = "volume_deleted"; | |
5095 | break; | |
5096 | case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: | |
5097 | reason_str = "pd_created"; | |
5098 | break; | |
5099 | case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: | |
5100 | reason_str = "pd_deleted"; | |
5101 | break; | |
5102 | default: | |
5103 | reason_str = "unknown reason"; | |
5104 | break; | |
5105 | } | |
5106 | element_type = le16_to_cpu(element->ElementFlags) & | |
5107 | MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK; | |
5108 | switch (element_type) { | |
5109 | case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT: | |
5110 | element_str = "volume"; | |
5111 | break; | |
5112 | case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT: | |
5113 | element_str = "phys disk"; | |
5114 | break; | |
5115 | case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT: | |
5116 | element_str = "hot spare"; | |
5117 | break; | |
5118 | default: | |
5119 | element_str = "unknown element"; | |
5120 | break; | |
5121 | } | |
5122 | printk(KERN_DEBUG "\t(%s:%s), vol handle(0x%04x), " | |
5123 | "pd handle(0x%04x), pd num(0x%02x)\n", element_str, | |
5124 | reason_str, le16_to_cpu(element->VolDevHandle), | |
5125 | le16_to_cpu(element->PhysDiskDevHandle), | |
5126 | element->PhysDiskNum); | |
5127 | } | |
5128 | } | |
5129 | #endif | |
5130 | ||
5131 | /** | |
5132 | * _scsih_sas_ir_config_change_event - handle ir configuration change events | |
5133 | * @ioc: per adapter object | |
7b936b02 | 5134 | * @fw_event: The fw_event_work object |
635374e7 EM |
5135 | * Context: user. |
5136 | * | |
5137 | * Return nothing. | |
5138 | */ | |
5139 | static void | |
7b936b02 KD |
5140 | _scsih_sas_ir_config_change_event(struct MPT2SAS_ADAPTER *ioc, |
5141 | struct fw_event_work *fw_event) | |
635374e7 EM |
5142 | { |
5143 | Mpi2EventIrConfigElement_t *element; | |
5144 | int i; | |
62727a7b | 5145 | u8 foreign_config; |
7b936b02 | 5146 | Mpi2EventDataIrConfigChangeList_t *event_data = fw_event->event_data; |
635374e7 EM |
5147 | |
5148 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
5149 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) | |
5150 | _scsih_sas_ir_config_change_event_debug(ioc, event_data); | |
5151 | ||
5152 | #endif | |
62727a7b KD |
5153 | foreign_config = (le32_to_cpu(event_data->Flags) & |
5154 | MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0; | |
635374e7 EM |
5155 | |
5156 | element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; | |
5157 | for (i = 0; i < event_data->NumElements; i++, element++) { | |
5158 | ||
5159 | switch (element->ReasonCode) { | |
5160 | case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: | |
5161 | case MPI2_EVENT_IR_CHANGE_RC_ADDED: | |
62727a7b KD |
5162 | if (!foreign_config) |
5163 | _scsih_sas_volume_add(ioc, element); | |
635374e7 EM |
5164 | break; |
5165 | case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: | |
5166 | case MPI2_EVENT_IR_CHANGE_RC_REMOVED: | |
62727a7b KD |
5167 | if (!foreign_config) |
5168 | _scsih_sas_volume_delete(ioc, element); | |
635374e7 EM |
5169 | break; |
5170 | case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: | |
5171 | _scsih_sas_pd_hide(ioc, element); | |
5172 | break; | |
5173 | case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: | |
5174 | _scsih_sas_pd_expose(ioc, element); | |
5175 | break; | |
5176 | case MPI2_EVENT_IR_CHANGE_RC_HIDE: | |
5177 | _scsih_sas_pd_add(ioc, element); | |
5178 | break; | |
5179 | case MPI2_EVENT_IR_CHANGE_RC_UNHIDE: | |
5180 | _scsih_sas_pd_delete(ioc, element); | |
5181 | break; | |
5182 | } | |
5183 | } | |
5184 | } | |
5185 | ||
5186 | /** | |
5187 | * _scsih_sas_ir_volume_event - IR volume event | |
5188 | * @ioc: per adapter object | |
7b936b02 | 5189 | * @fw_event: The fw_event_work object |
635374e7 EM |
5190 | * Context: user. |
5191 | * | |
5192 | * Return nothing. | |
5193 | */ | |
5194 | static void | |
7b936b02 KD |
5195 | _scsih_sas_ir_volume_event(struct MPT2SAS_ADAPTER *ioc, |
5196 | struct fw_event_work *fw_event) | |
635374e7 EM |
5197 | { |
5198 | u64 wwid; | |
5199 | unsigned long flags; | |
5200 | struct _raid_device *raid_device; | |
5201 | u16 handle; | |
5202 | u32 state; | |
5203 | int rc; | |
5204 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
7b936b02 | 5205 | Mpi2EventDataIrVolume_t *event_data = fw_event->event_data; |
635374e7 EM |
5206 | |
5207 | if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED) | |
5208 | return; | |
5209 | ||
5210 | handle = le16_to_cpu(event_data->VolDevHandle); | |
5211 | state = le32_to_cpu(event_data->NewValue); | |
5212 | dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle(0x%04x), " | |
5213 | "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle, | |
5214 | le32_to_cpu(event_data->PreviousValue), state)); | |
5215 | ||
5216 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
5217 | raid_device = _scsih_raid_device_find_by_handle(ioc, handle); | |
5218 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
5219 | ||
5220 | switch (state) { | |
5221 | case MPI2_RAID_VOL_STATE_MISSING: | |
5222 | case MPI2_RAID_VOL_STATE_FAILED: | |
5223 | if (!raid_device) | |
5224 | break; | |
5225 | if (raid_device->starget) { | |
5226 | sas_target_priv_data = raid_device->starget->hostdata; | |
5227 | sas_target_priv_data->deleted = 1; | |
5228 | scsi_remove_target(&raid_device->starget->dev); | |
5229 | } | |
5230 | _scsih_raid_device_remove(ioc, raid_device); | |
5231 | break; | |
5232 | ||
5233 | case MPI2_RAID_VOL_STATE_ONLINE: | |
5234 | case MPI2_RAID_VOL_STATE_DEGRADED: | |
5235 | case MPI2_RAID_VOL_STATE_OPTIMAL: | |
5236 | if (raid_device) | |
5237 | break; | |
5238 | ||
5239 | mpt2sas_config_get_volume_wwid(ioc, handle, &wwid); | |
5240 | if (!wwid) { | |
5241 | printk(MPT2SAS_ERR_FMT | |
5242 | "failure at %s:%d/%s()!\n", ioc->name, | |
5243 | __FILE__, __LINE__, __func__); | |
5244 | break; | |
5245 | } | |
5246 | ||
5247 | raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL); | |
5248 | if (!raid_device) { | |
5249 | printk(MPT2SAS_ERR_FMT | |
5250 | "failure at %s:%d/%s()!\n", ioc->name, | |
5251 | __FILE__, __LINE__, __func__); | |
5252 | break; | |
5253 | } | |
5254 | ||
5255 | raid_device->id = ioc->sas_id++; | |
5256 | raid_device->channel = RAID_CHANNEL; | |
5257 | raid_device->handle = handle; | |
5258 | raid_device->wwid = wwid; | |
5259 | _scsih_raid_device_add(ioc, raid_device); | |
5260 | rc = scsi_add_device(ioc->shost, RAID_CHANNEL, | |
5261 | raid_device->id, 0); | |
5262 | if (rc) | |
5263 | _scsih_raid_device_remove(ioc, raid_device); | |
5264 | break; | |
5265 | ||
5266 | case MPI2_RAID_VOL_STATE_INITIALIZING: | |
5267 | default: | |
5268 | break; | |
5269 | } | |
5270 | } | |
5271 | ||
5272 | /** | |
5273 | * _scsih_sas_ir_physical_disk_event - PD event | |
5274 | * @ioc: per adapter object | |
7b936b02 | 5275 | * @fw_event: The fw_event_work object |
635374e7 EM |
5276 | * Context: user. |
5277 | * | |
5278 | * Return nothing. | |
5279 | */ | |
5280 | static void | |
7b936b02 KD |
5281 | _scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER *ioc, |
5282 | struct fw_event_work *fw_event) | |
635374e7 | 5283 | { |
c5e039be | 5284 | u16 handle, parent_handle; |
635374e7 EM |
5285 | u32 state; |
5286 | struct _sas_device *sas_device; | |
5287 | unsigned long flags; | |
62727a7b KD |
5288 | Mpi2ConfigReply_t mpi_reply; |
5289 | Mpi2SasDevicePage0_t sas_device_pg0; | |
5290 | u32 ioc_status; | |
7b936b02 | 5291 | Mpi2EventDataIrPhysicalDisk_t *event_data = fw_event->event_data; |
c5e039be | 5292 | u64 sas_address; |
635374e7 EM |
5293 | |
5294 | if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED) | |
5295 | return; | |
5296 | ||
5297 | handle = le16_to_cpu(event_data->PhysDiskDevHandle); | |
5298 | state = le32_to_cpu(event_data->NewValue); | |
5299 | ||
5300 | dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle(0x%04x), " | |
5301 | "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle, | |
5302 | le32_to_cpu(event_data->PreviousValue), state)); | |
5303 | ||
5304 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
5305 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
5306 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
5307 | ||
5308 | switch (state) { | |
635374e7 EM |
5309 | case MPI2_RAID_PD_STATE_ONLINE: |
5310 | case MPI2_RAID_PD_STATE_DEGRADED: | |
5311 | case MPI2_RAID_PD_STATE_REBUILDING: | |
5312 | case MPI2_RAID_PD_STATE_OPTIMAL: | |
62727a7b | 5313 | if (sas_device) { |
635374e7 | 5314 | sas_device->hidden_raid_component = 1; |
62727a7b KD |
5315 | return; |
5316 | } | |
5317 | ||
5318 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, | |
5319 | &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, | |
5320 | handle))) { | |
5321 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
5322 | ioc->name, __FILE__, __LINE__, __func__); | |
5323 | return; | |
5324 | } | |
5325 | ||
5326 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
5327 | MPI2_IOCSTATUS_MASK; | |
5328 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
5329 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
5330 | ioc->name, __FILE__, __LINE__, __func__); | |
5331 | return; | |
5332 | } | |
5333 | ||
c5e039be KD |
5334 | parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); |
5335 | if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) | |
5336 | mpt2sas_transport_update_links(ioc, sas_address, handle, | |
5337 | sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5); | |
62727a7b KD |
5338 | |
5339 | _scsih_add_device(ioc, handle, 0, 1); | |
5340 | ||
635374e7 EM |
5341 | break; |
5342 | ||
62727a7b | 5343 | case MPI2_RAID_PD_STATE_OFFLINE: |
635374e7 EM |
5344 | case MPI2_RAID_PD_STATE_NOT_CONFIGURED: |
5345 | case MPI2_RAID_PD_STATE_NOT_COMPATIBLE: | |
5346 | case MPI2_RAID_PD_STATE_HOT_SPARE: | |
5347 | default: | |
5348 | break; | |
5349 | } | |
5350 | } | |
5351 | ||
5352 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
5353 | /** | |
5354 | * _scsih_sas_ir_operation_status_event_debug - debug for IR op event | |
5355 | * @ioc: per adapter object | |
5356 | * @event_data: event data payload | |
5357 | * Context: user. | |
5358 | * | |
5359 | * Return nothing. | |
5360 | */ | |
5361 | static void | |
5362 | _scsih_sas_ir_operation_status_event_debug(struct MPT2SAS_ADAPTER *ioc, | |
5363 | Mpi2EventDataIrOperationStatus_t *event_data) | |
5364 | { | |
5365 | char *reason_str = NULL; | |
5366 | ||
5367 | switch (event_data->RAIDOperation) { | |
5368 | case MPI2_EVENT_IR_RAIDOP_RESYNC: | |
5369 | reason_str = "resync"; | |
5370 | break; | |
5371 | case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION: | |
5372 | reason_str = "online capacity expansion"; | |
5373 | break; | |
5374 | case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK: | |
5375 | reason_str = "consistency check"; | |
5376 | break; | |
ec6c2b43 KD |
5377 | case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT: |
5378 | reason_str = "background init"; | |
5379 | break; | |
5380 | case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT: | |
5381 | reason_str = "make data consistent"; | |
635374e7 EM |
5382 | break; |
5383 | } | |
5384 | ||
ec6c2b43 KD |
5385 | if (!reason_str) |
5386 | return; | |
5387 | ||
635374e7 EM |
5388 | printk(MPT2SAS_INFO_FMT "raid operational status: (%s)" |
5389 | "\thandle(0x%04x), percent complete(%d)\n", | |
5390 | ioc->name, reason_str, | |
5391 | le16_to_cpu(event_data->VolDevHandle), | |
5392 | event_data->PercentComplete); | |
5393 | } | |
5394 | #endif | |
5395 | ||
5396 | /** | |
5397 | * _scsih_sas_ir_operation_status_event - handle RAID operation events | |
5398 | * @ioc: per adapter object | |
7b936b02 | 5399 | * @fw_event: The fw_event_work object |
635374e7 EM |
5400 | * Context: user. |
5401 | * | |
5402 | * Return nothing. | |
5403 | */ | |
5404 | static void | |
7b936b02 KD |
5405 | _scsih_sas_ir_operation_status_event(struct MPT2SAS_ADAPTER *ioc, |
5406 | struct fw_event_work *fw_event) | |
635374e7 | 5407 | { |
f7c95ef0 KD |
5408 | Mpi2EventDataIrOperationStatus_t *event_data = fw_event->event_data; |
5409 | static struct _raid_device *raid_device; | |
5410 | unsigned long flags; | |
5411 | u16 handle; | |
5412 | ||
635374e7 EM |
5413 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
5414 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) | |
7b936b02 | 5415 | _scsih_sas_ir_operation_status_event_debug(ioc, |
f7c95ef0 | 5416 | event_data); |
635374e7 | 5417 | #endif |
f7c95ef0 KD |
5418 | |
5419 | /* code added for raid transport support */ | |
5420 | if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) { | |
5421 | ||
5422 | handle = le16_to_cpu(event_data->VolDevHandle); | |
5423 | ||
5424 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
5425 | raid_device = _scsih_raid_device_find_by_handle(ioc, handle); | |
5426 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
5427 | ||
5428 | if (!raid_device) | |
5429 | return; | |
5430 | ||
5431 | if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) | |
5432 | raid_device->percent_complete = | |
5433 | event_data->PercentComplete; | |
5434 | } | |
635374e7 EM |
5435 | } |
5436 | ||
5437 | /** | |
5438 | * _scsih_task_set_full - handle task set full | |
5439 | * @ioc: per adapter object | |
7b936b02 | 5440 | * @fw_event: The fw_event_work object |
635374e7 EM |
5441 | * Context: user. |
5442 | * | |
5443 | * Throttle back qdepth. | |
5444 | */ | |
5445 | static void | |
7b936b02 KD |
5446 | _scsih_task_set_full(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work |
5447 | *fw_event) | |
635374e7 EM |
5448 | { |
5449 | unsigned long flags; | |
5450 | struct _sas_device *sas_device; | |
5451 | static struct _raid_device *raid_device; | |
5452 | struct scsi_device *sdev; | |
5453 | int depth; | |
5454 | u16 current_depth; | |
5455 | u16 handle; | |
5456 | int id, channel; | |
5457 | u64 sas_address; | |
7b936b02 | 5458 | Mpi2EventDataTaskSetFull_t *event_data = fw_event->event_data; |
635374e7 EM |
5459 | |
5460 | current_depth = le16_to_cpu(event_data->CurrentDepth); | |
5461 | handle = le16_to_cpu(event_data->DevHandle); | |
5462 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
5463 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
5464 | if (!sas_device) { | |
5465 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
5466 | return; | |
5467 | } | |
5468 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
5469 | id = sas_device->id; | |
5470 | channel = sas_device->channel; | |
5471 | sas_address = sas_device->sas_address; | |
5472 | ||
5473 | /* if hidden raid component, then change to volume characteristics */ | |
5474 | if (sas_device->hidden_raid_component && sas_device->volume_handle) { | |
5475 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
5476 | raid_device = _scsih_raid_device_find_by_handle( | |
5477 | ioc, sas_device->volume_handle); | |
5478 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
5479 | if (raid_device) { | |
5480 | id = raid_device->id; | |
5481 | channel = raid_device->channel; | |
5482 | handle = raid_device->handle; | |
5483 | sas_address = raid_device->wwid; | |
5484 | } | |
5485 | } | |
5486 | ||
5487 | if (ioc->logging_level & MPT_DEBUG_TASK_SET_FULL) | |
5488 | starget_printk(KERN_DEBUG, sas_device->starget, "task set " | |
5489 | "full: handle(0x%04x), sas_addr(0x%016llx), depth(%d)\n", | |
5490 | handle, (unsigned long long)sas_address, current_depth); | |
5491 | ||
5492 | shost_for_each_device(sdev, ioc->shost) { | |
5493 | if (sdev->id == id && sdev->channel == channel) { | |
5494 | if (current_depth > sdev->queue_depth) { | |
5495 | if (ioc->logging_level & | |
5496 | MPT_DEBUG_TASK_SET_FULL) | |
5497 | sdev_printk(KERN_INFO, sdev, "strange " | |
5498 | "observation, the queue depth is" | |
5499 | " (%d) meanwhile fw queue depth " | |
5500 | "is (%d)\n", sdev->queue_depth, | |
5501 | current_depth); | |
5502 | continue; | |
5503 | } | |
5504 | depth = scsi_track_queue_full(sdev, | |
5505 | current_depth - 1); | |
5506 | if (depth > 0) | |
5507 | sdev_printk(KERN_INFO, sdev, "Queue depth " | |
5508 | "reduced to (%d)\n", depth); | |
5509 | else if (depth < 0) | |
5510 | sdev_printk(KERN_INFO, sdev, "Tagged Command " | |
5511 | "Queueing is being disabled\n"); | |
5512 | else if (depth == 0) | |
5513 | if (ioc->logging_level & | |
5514 | MPT_DEBUG_TASK_SET_FULL) | |
5515 | sdev_printk(KERN_INFO, sdev, | |
5516 | "Queue depth not changed yet\n"); | |
5517 | } | |
5518 | } | |
5519 | } | |
5520 | ||
14695853 KD |
5521 | /** |
5522 | * _scsih_prep_device_scan - initialize parameters prior to device scan | |
5523 | * @ioc: per adapter object | |
5524 | * | |
5525 | * Set the deleted flag prior to device scan. If the device is found during | |
5526 | * the scan, then we clear the deleted flag. | |
5527 | */ | |
5528 | static void | |
5529 | _scsih_prep_device_scan(struct MPT2SAS_ADAPTER *ioc) | |
5530 | { | |
5531 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
5532 | struct scsi_device *sdev; | |
5533 | ||
5534 | shost_for_each_device(sdev, ioc->shost) { | |
5535 | sas_device_priv_data = sdev->hostdata; | |
5536 | if (sas_device_priv_data && sas_device_priv_data->sas_target) | |
5537 | sas_device_priv_data->sas_target->deleted = 1; | |
5538 | } | |
5539 | } | |
5540 | ||
635374e7 EM |
5541 | /** |
5542 | * _scsih_mark_responding_sas_device - mark a sas_devices as responding | |
5543 | * @ioc: per adapter object | |
5544 | * @sas_address: sas address | |
5545 | * @slot: enclosure slot id | |
5546 | * @handle: device handle | |
5547 | * | |
5548 | * After host reset, find out whether devices are still responding. | |
5549 | * Used in _scsi_remove_unresponsive_sas_devices. | |
5550 | * | |
5551 | * Return nothing. | |
5552 | */ | |
5553 | static void | |
5554 | _scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, | |
5555 | u16 slot, u16 handle) | |
5556 | { | |
5557 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
5558 | struct scsi_target *starget; | |
5559 | struct _sas_device *sas_device; | |
5560 | unsigned long flags; | |
5561 | ||
5562 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
5563 | list_for_each_entry(sas_device, &ioc->sas_device_list, list) { | |
5564 | if (sas_device->sas_address == sas_address && | |
5565 | sas_device->slot == slot && sas_device->starget) { | |
5566 | sas_device->responding = 1; | |
77e63ed4 | 5567 | starget = sas_device->starget; |
14695853 KD |
5568 | if (starget && starget->hostdata) { |
5569 | sas_target_priv_data = starget->hostdata; | |
5570 | sas_target_priv_data->tm_busy = 0; | |
5571 | sas_target_priv_data->deleted = 0; | |
5572 | } else | |
5573 | sas_target_priv_data = NULL; | |
635374e7 EM |
5574 | starget_printk(KERN_INFO, sas_device->starget, |
5575 | "handle(0x%04x), sas_addr(0x%016llx), enclosure " | |
5576 | "logical id(0x%016llx), slot(%d)\n", handle, | |
5577 | (unsigned long long)sas_device->sas_address, | |
5578 | (unsigned long long) | |
5579 | sas_device->enclosure_logical_id, | |
5580 | sas_device->slot); | |
5581 | if (sas_device->handle == handle) | |
5582 | goto out; | |
5583 | printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n", | |
5584 | sas_device->handle); | |
5585 | sas_device->handle = handle; | |
14695853 KD |
5586 | if (sas_target_priv_data) |
5587 | sas_target_priv_data->handle = handle; | |
635374e7 EM |
5588 | goto out; |
5589 | } | |
5590 | } | |
5591 | out: | |
5592 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
5593 | } | |
5594 | ||
5595 | /** | |
5596 | * _scsih_search_responding_sas_devices - | |
5597 | * @ioc: per adapter object | |
5598 | * | |
5599 | * After host reset, find out whether devices are still responding. | |
5600 | * If not remove. | |
5601 | * | |
5602 | * Return nothing. | |
5603 | */ | |
5604 | static void | |
5605 | _scsih_search_responding_sas_devices(struct MPT2SAS_ADAPTER *ioc) | |
5606 | { | |
5607 | Mpi2SasDevicePage0_t sas_device_pg0; | |
5608 | Mpi2ConfigReply_t mpi_reply; | |
5609 | u16 ioc_status; | |
5610 | __le64 sas_address; | |
5611 | u16 handle; | |
5612 | u32 device_info; | |
5613 | u16 slot; | |
5614 | ||
5615 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__); | |
5616 | ||
5617 | if (list_empty(&ioc->sas_device_list)) | |
5618 | return; | |
5619 | ||
5620 | handle = 0xFFFF; | |
5621 | while (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, | |
5622 | &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, | |
5623 | handle))) { | |
5624 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
5625 | MPI2_IOCSTATUS_MASK; | |
5626 | if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) | |
5627 | break; | |
5628 | handle = le16_to_cpu(sas_device_pg0.DevHandle); | |
5629 | device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); | |
5630 | if (!(_scsih_is_end_device(device_info))) | |
5631 | continue; | |
5632 | sas_address = le64_to_cpu(sas_device_pg0.SASAddress); | |
5633 | slot = le16_to_cpu(sas_device_pg0.Slot); | |
5634 | _scsih_mark_responding_sas_device(ioc, sas_address, slot, | |
5635 | handle); | |
5636 | } | |
5637 | } | |
5638 | ||
5639 | /** | |
5640 | * _scsih_mark_responding_raid_device - mark a raid_device as responding | |
5641 | * @ioc: per adapter object | |
5642 | * @wwid: world wide identifier for raid volume | |
5643 | * @handle: device handle | |
5644 | * | |
5645 | * After host reset, find out whether devices are still responding. | |
5646 | * Used in _scsi_remove_unresponsive_raid_devices. | |
5647 | * | |
5648 | * Return nothing. | |
5649 | */ | |
5650 | static void | |
5651 | _scsih_mark_responding_raid_device(struct MPT2SAS_ADAPTER *ioc, u64 wwid, | |
5652 | u16 handle) | |
5653 | { | |
5654 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
5655 | struct scsi_target *starget; | |
5656 | struct _raid_device *raid_device; | |
5657 | unsigned long flags; | |
5658 | ||
5659 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
5660 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { | |
5661 | if (raid_device->wwid == wwid && raid_device->starget) { | |
14695853 KD |
5662 | starget = raid_device->starget; |
5663 | if (starget && starget->hostdata) { | |
5664 | sas_target_priv_data = starget->hostdata; | |
5665 | sas_target_priv_data->deleted = 0; | |
5666 | } else | |
5667 | sas_target_priv_data = NULL; | |
635374e7 EM |
5668 | raid_device->responding = 1; |
5669 | starget_printk(KERN_INFO, raid_device->starget, | |
5670 | "handle(0x%04x), wwid(0x%016llx)\n", handle, | |
5671 | (unsigned long long)raid_device->wwid); | |
5672 | if (raid_device->handle == handle) | |
5673 | goto out; | |
5674 | printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n", | |
5675 | raid_device->handle); | |
5676 | raid_device->handle = handle; | |
14695853 KD |
5677 | if (sas_target_priv_data) |
5678 | sas_target_priv_data->handle = handle; | |
635374e7 EM |
5679 | goto out; |
5680 | } | |
5681 | } | |
5682 | out: | |
5683 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
5684 | } | |
5685 | ||
5686 | /** | |
5687 | * _scsih_search_responding_raid_devices - | |
5688 | * @ioc: per adapter object | |
5689 | * | |
5690 | * After host reset, find out whether devices are still responding. | |
5691 | * If not remove. | |
5692 | * | |
5693 | * Return nothing. | |
5694 | */ | |
5695 | static void | |
5696 | _scsih_search_responding_raid_devices(struct MPT2SAS_ADAPTER *ioc) | |
5697 | { | |
5698 | Mpi2RaidVolPage1_t volume_pg1; | |
5699 | Mpi2ConfigReply_t mpi_reply; | |
5700 | u16 ioc_status; | |
5701 | u16 handle; | |
5702 | ||
5703 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__); | |
5704 | ||
5705 | if (list_empty(&ioc->raid_device_list)) | |
5706 | return; | |
5707 | ||
5708 | handle = 0xFFFF; | |
5709 | while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply, | |
5710 | &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) { | |
5711 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
5712 | MPI2_IOCSTATUS_MASK; | |
5713 | if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) | |
5714 | break; | |
5715 | handle = le16_to_cpu(volume_pg1.DevHandle); | |
5716 | _scsih_mark_responding_raid_device(ioc, | |
5717 | le64_to_cpu(volume_pg1.WWID), handle); | |
5718 | } | |
5719 | } | |
5720 | ||
5721 | /** | |
5722 | * _scsih_mark_responding_expander - mark a expander as responding | |
5723 | * @ioc: per adapter object | |
5724 | * @sas_address: sas address | |
5725 | * @handle: | |
5726 | * | |
5727 | * After host reset, find out whether devices are still responding. | |
5728 | * Used in _scsi_remove_unresponsive_expanders. | |
5729 | * | |
5730 | * Return nothing. | |
5731 | */ | |
5732 | static void | |
5733 | _scsih_mark_responding_expander(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, | |
5734 | u16 handle) | |
5735 | { | |
5736 | struct _sas_node *sas_expander; | |
5737 | unsigned long flags; | |
c5e039be | 5738 | int i; |
635374e7 EM |
5739 | |
5740 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
5741 | list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { | |
c5e039be KD |
5742 | if (sas_expander->sas_address != sas_address) |
5743 | continue; | |
5744 | sas_expander->responding = 1; | |
5745 | if (sas_expander->handle == handle) | |
635374e7 | 5746 | goto out; |
c5e039be KD |
5747 | printk(KERN_INFO "\texpander(0x%016llx): handle changed" |
5748 | " from(0x%04x) to (0x%04x)!!!\n", | |
5749 | (unsigned long long)sas_expander->sas_address, | |
5750 | sas_expander->handle, handle); | |
5751 | sas_expander->handle = handle; | |
5752 | for (i = 0 ; i < sas_expander->num_phys ; i++) | |
5753 | sas_expander->phy[i].handle = handle; | |
5754 | goto out; | |
635374e7 EM |
5755 | } |
5756 | out: | |
5757 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
5758 | } | |
5759 | ||
5760 | /** | |
5761 | * _scsih_search_responding_expanders - | |
5762 | * @ioc: per adapter object | |
5763 | * | |
5764 | * After host reset, find out whether devices are still responding. | |
5765 | * If not remove. | |
5766 | * | |
5767 | * Return nothing. | |
5768 | */ | |
5769 | static void | |
5770 | _scsih_search_responding_expanders(struct MPT2SAS_ADAPTER *ioc) | |
5771 | { | |
5772 | Mpi2ExpanderPage0_t expander_pg0; | |
5773 | Mpi2ConfigReply_t mpi_reply; | |
5774 | u16 ioc_status; | |
5775 | __le64 sas_address; | |
5776 | u16 handle; | |
5777 | ||
5778 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__); | |
5779 | ||
5780 | if (list_empty(&ioc->sas_expander_list)) | |
5781 | return; | |
5782 | ||
5783 | handle = 0xFFFF; | |
5784 | while (!(mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, | |
5785 | MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) { | |
5786 | ||
5787 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
5788 | MPI2_IOCSTATUS_MASK; | |
5789 | if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) | |
5790 | break; | |
5791 | ||
5792 | handle = le16_to_cpu(expander_pg0.DevHandle); | |
5793 | sas_address = le64_to_cpu(expander_pg0.SASAddress); | |
5794 | printk(KERN_INFO "\texpander present: handle(0x%04x), " | |
5795 | "sas_addr(0x%016llx)\n", handle, | |
5796 | (unsigned long long)sas_address); | |
5797 | _scsih_mark_responding_expander(ioc, sas_address, handle); | |
5798 | } | |
5799 | ||
5800 | } | |
5801 | ||
5802 | /** | |
f1c35e6a | 5803 | * _scsih_remove_unresponding_sas_devices - removing unresponding devices |
635374e7 EM |
5804 | * @ioc: per adapter object |
5805 | * | |
5806 | * Return nothing. | |
5807 | */ | |
5808 | static void | |
f1c35e6a | 5809 | _scsih_remove_unresponding_sas_devices(struct MPT2SAS_ADAPTER *ioc) |
635374e7 EM |
5810 | { |
5811 | struct _sas_device *sas_device, *sas_device_next; | |
cd4e12e8 | 5812 | struct _sas_node *sas_expander; |
635374e7 | 5813 | struct _raid_device *raid_device, *raid_device_next; |
635374e7 | 5814 | |
635374e7 EM |
5815 | |
5816 | list_for_each_entry_safe(sas_device, sas_device_next, | |
5817 | &ioc->sas_device_list, list) { | |
5818 | if (sas_device->responding) { | |
5819 | sas_device->responding = 0; | |
5820 | continue; | |
5821 | } | |
5822 | if (sas_device->starget) | |
5823 | starget_printk(KERN_INFO, sas_device->starget, | |
5824 | "removing: handle(0x%04x), sas_addr(0x%016llx), " | |
5825 | "enclosure logical id(0x%016llx), slot(%d)\n", | |
5826 | sas_device->handle, | |
5827 | (unsigned long long)sas_device->sas_address, | |
5828 | (unsigned long long) | |
5829 | sas_device->enclosure_logical_id, | |
5830 | sas_device->slot); | |
c5e039be | 5831 | _scsih_remove_device(ioc, sas_device); |
635374e7 EM |
5832 | } |
5833 | ||
5834 | list_for_each_entry_safe(raid_device, raid_device_next, | |
5835 | &ioc->raid_device_list, list) { | |
5836 | if (raid_device->responding) { | |
5837 | raid_device->responding = 0; | |
5838 | continue; | |
5839 | } | |
5840 | if (raid_device->starget) { | |
5841 | starget_printk(KERN_INFO, raid_device->starget, | |
5842 | "removing: handle(0x%04x), wwid(0x%016llx)\n", | |
5843 | raid_device->handle, | |
5844 | (unsigned long long)raid_device->wwid); | |
5845 | scsi_remove_target(&raid_device->starget->dev); | |
5846 | } | |
5847 | _scsih_raid_device_remove(ioc, raid_device); | |
5848 | } | |
5849 | ||
cd4e12e8 KD |
5850 | retry_expander_search: |
5851 | sas_expander = NULL; | |
5852 | list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { | |
635374e7 EM |
5853 | if (sas_expander->responding) { |
5854 | sas_expander->responding = 0; | |
5855 | continue; | |
5856 | } | |
c5e039be | 5857 | _scsih_expander_remove(ioc, sas_expander->sas_address); |
cd4e12e8 KD |
5858 | goto retry_expander_search; |
5859 | } | |
5860 | } | |
5861 | ||
5862 | /** | |
5863 | * mpt2sas_scsih_reset_handler - reset callback handler (for scsih) | |
5864 | * @ioc: per adapter object | |
5865 | * @reset_phase: phase | |
5866 | * | |
5867 | * The handler for doing any required cleanup or initialization. | |
5868 | * | |
5869 | * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET, | |
5870 | * MPT2_IOC_DONE_RESET | |
5871 | * | |
5872 | * Return nothing. | |
5873 | */ | |
5874 | void | |
5875 | mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) | |
5876 | { | |
5877 | switch (reset_phase) { | |
5878 | case MPT2_IOC_PRE_RESET: | |
5879 | dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " | |
5880 | "MPT2_IOC_PRE_RESET\n", ioc->name, __func__)); | |
cd4e12e8 KD |
5881 | break; |
5882 | case MPT2_IOC_AFTER_RESET: | |
5883 | dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " | |
5884 | "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__)); | |
f1c35e6a KD |
5885 | if (ioc->scsih_cmds.status & MPT2_CMD_PENDING) { |
5886 | ioc->scsih_cmds.status |= MPT2_CMD_RESET; | |
5887 | mpt2sas_base_free_smid(ioc, ioc->scsih_cmds.smid); | |
5888 | complete(&ioc->scsih_cmds.done); | |
5889 | } | |
cd4e12e8 KD |
5890 | if (ioc->tm_cmds.status & MPT2_CMD_PENDING) { |
5891 | ioc->tm_cmds.status |= MPT2_CMD_RESET; | |
5892 | mpt2sas_base_free_smid(ioc, ioc->tm_cmds.smid); | |
5893 | complete(&ioc->tm_cmds.done); | |
5894 | } | |
f1c35e6a | 5895 | _scsih_fw_event_cleanup_queue(ioc); |
cd4e12e8 | 5896 | _scsih_flush_running_cmds(ioc); |
f1c35e6a | 5897 | _scsih_queue_rescan(ioc); |
cd4e12e8 KD |
5898 | break; |
5899 | case MPT2_IOC_DONE_RESET: | |
5900 | dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " | |
5901 | "MPT2_IOC_DONE_RESET\n", ioc->name, __func__)); | |
c5e039be | 5902 | _scsih_sas_host_refresh(ioc); |
14695853 KD |
5903 | _scsih_prep_device_scan(ioc); |
5904 | _scsih_search_responding_sas_devices(ioc); | |
5905 | _scsih_search_responding_raid_devices(ioc); | |
5906 | _scsih_search_responding_expanders(ioc); | |
cd4e12e8 | 5907 | break; |
635374e7 EM |
5908 | } |
5909 | } | |
5910 | ||
5911 | /** | |
5912 | * _firmware_event_work - delayed task for processing firmware events | |
5913 | * @ioc: per adapter object | |
5914 | * @work: equal to the fw_event_work object | |
5915 | * Context: user. | |
5916 | * | |
5917 | * Return nothing. | |
5918 | */ | |
5919 | static void | |
5920 | _firmware_event_work(struct work_struct *work) | |
5921 | { | |
5922 | struct fw_event_work *fw_event = container_of(work, | |
f1c35e6a | 5923 | struct fw_event_work, delayed_work.work); |
635374e7 EM |
5924 | unsigned long flags; |
5925 | struct MPT2SAS_ADAPTER *ioc = fw_event->ioc; | |
5926 | ||
635374e7 | 5927 | /* the queue is being flushed so ignore this event */ |
f1c35e6a | 5928 | if (ioc->remove_host || fw_event->cancel_pending_work) { |
635374e7 EM |
5929 | _scsih_fw_event_free(ioc, fw_event); |
5930 | return; | |
5931 | } | |
635374e7 | 5932 | |
f1c35e6a KD |
5933 | if (fw_event->event == MPT2SAS_RESCAN_AFTER_HOST_RESET) { |
5934 | _scsih_fw_event_free(ioc, fw_event); | |
5935 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
5936 | if (ioc->shost_recovery) { | |
5937 | init_completion(&ioc->shost_recovery_done); | |
5938 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, | |
5939 | flags); | |
5940 | wait_for_completion(&ioc->shost_recovery_done); | |
5941 | } else | |
5942 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, | |
5943 | flags); | |
f1c35e6a | 5944 | _scsih_remove_unresponding_sas_devices(ioc); |
635374e7 EM |
5945 | return; |
5946 | } | |
635374e7 EM |
5947 | |
5948 | switch (fw_event->event) { | |
5949 | case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: | |
7b936b02 | 5950 | _scsih_sas_topology_change_event(ioc, fw_event); |
635374e7 EM |
5951 | break; |
5952 | case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: | |
7b936b02 KD |
5953 | _scsih_sas_device_status_change_event(ioc, |
5954 | fw_event); | |
635374e7 EM |
5955 | break; |
5956 | case MPI2_EVENT_SAS_DISCOVERY: | |
7b936b02 KD |
5957 | _scsih_sas_discovery_event(ioc, |
5958 | fw_event); | |
635374e7 EM |
5959 | break; |
5960 | case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: | |
7b936b02 KD |
5961 | _scsih_sas_broadcast_primative_event(ioc, |
5962 | fw_event); | |
635374e7 EM |
5963 | break; |
5964 | case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: | |
5965 | _scsih_sas_enclosure_dev_status_change_event(ioc, | |
7b936b02 | 5966 | fw_event); |
635374e7 EM |
5967 | break; |
5968 | case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: | |
7b936b02 | 5969 | _scsih_sas_ir_config_change_event(ioc, fw_event); |
635374e7 EM |
5970 | break; |
5971 | case MPI2_EVENT_IR_VOLUME: | |
7b936b02 | 5972 | _scsih_sas_ir_volume_event(ioc, fw_event); |
635374e7 EM |
5973 | break; |
5974 | case MPI2_EVENT_IR_PHYSICAL_DISK: | |
7b936b02 | 5975 | _scsih_sas_ir_physical_disk_event(ioc, fw_event); |
635374e7 EM |
5976 | break; |
5977 | case MPI2_EVENT_IR_OPERATION_STATUS: | |
7b936b02 | 5978 | _scsih_sas_ir_operation_status_event(ioc, fw_event); |
635374e7 EM |
5979 | break; |
5980 | case MPI2_EVENT_TASK_SET_FULL: | |
7b936b02 | 5981 | _scsih_task_set_full(ioc, fw_event); |
635374e7 EM |
5982 | break; |
5983 | } | |
5984 | _scsih_fw_event_free(ioc, fw_event); | |
5985 | } | |
5986 | ||
5987 | /** | |
5988 | * mpt2sas_scsih_event_callback - firmware event handler (called at ISR time) | |
5989 | * @ioc: per adapter object | |
7b936b02 | 5990 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
5991 | * @reply: reply message frame(lower 32bit addr) |
5992 | * Context: interrupt. | |
5993 | * | |
5994 | * This function merely adds a new work task into ioc->firmware_event_thread. | |
5995 | * The tasks are worked from _firmware_event_work in user context. | |
5996 | * | |
77e63ed4 KD |
5997 | * Return 1 meaning mf should be freed from _base_interrupt |
5998 | * 0 means the mf is freed from this function. | |
635374e7 | 5999 | */ |
77e63ed4 | 6000 | u8 |
7b936b02 KD |
6001 | mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, |
6002 | u32 reply) | |
635374e7 EM |
6003 | { |
6004 | struct fw_event_work *fw_event; | |
6005 | Mpi2EventNotificationReply_t *mpi_reply; | |
635374e7 | 6006 | u16 event; |
e94f6747 | 6007 | u16 sz; |
635374e7 EM |
6008 | |
6009 | /* events turned off due to host reset or driver unloading */ | |
f1c35e6a | 6010 | if (ioc->remove_host) |
77e63ed4 | 6011 | return 1; |
635374e7 | 6012 | |
77e63ed4 | 6013 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); |
635374e7 EM |
6014 | event = le16_to_cpu(mpi_reply->Event); |
6015 | ||
6016 | switch (event) { | |
6017 | /* handle these */ | |
6018 | case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: | |
6019 | { | |
6020 | Mpi2EventDataSasBroadcastPrimitive_t *baen_data = | |
6021 | (Mpi2EventDataSasBroadcastPrimitive_t *) | |
6022 | mpi_reply->EventData; | |
6023 | ||
6024 | if (baen_data->Primitive != | |
6025 | MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT || | |
6026 | ioc->broadcast_aen_busy) | |
77e63ed4 | 6027 | return 1; |
635374e7 EM |
6028 | ioc->broadcast_aen_busy = 1; |
6029 | break; | |
6030 | } | |
6031 | ||
6032 | case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: | |
6033 | _scsih_check_topo_delete_events(ioc, | |
6034 | (Mpi2EventDataSasTopologyChangeList_t *) | |
6035 | mpi_reply->EventData); | |
6036 | break; | |
6037 | ||
6038 | case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: | |
6039 | case MPI2_EVENT_IR_OPERATION_STATUS: | |
6040 | case MPI2_EVENT_SAS_DISCOVERY: | |
6041 | case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: | |
6042 | case MPI2_EVENT_IR_VOLUME: | |
6043 | case MPI2_EVENT_IR_PHYSICAL_DISK: | |
6044 | case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: | |
6045 | case MPI2_EVENT_TASK_SET_FULL: | |
6046 | break; | |
6047 | ||
6048 | default: /* ignore the rest */ | |
77e63ed4 | 6049 | return 1; |
635374e7 EM |
6050 | } |
6051 | ||
6052 | fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC); | |
6053 | if (!fw_event) { | |
6054 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
6055 | ioc->name, __FILE__, __LINE__, __func__); | |
77e63ed4 | 6056 | return 1; |
635374e7 | 6057 | } |
e94f6747 KD |
6058 | sz = le16_to_cpu(mpi_reply->EventDataLength) * 4; |
6059 | fw_event->event_data = kzalloc(sz, GFP_ATOMIC); | |
635374e7 EM |
6060 | if (!fw_event->event_data) { |
6061 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
6062 | ioc->name, __FILE__, __LINE__, __func__); | |
6063 | kfree(fw_event); | |
77e63ed4 | 6064 | return 1; |
635374e7 EM |
6065 | } |
6066 | ||
6067 | memcpy(fw_event->event_data, mpi_reply->EventData, | |
e94f6747 | 6068 | sz); |
635374e7 | 6069 | fw_event->ioc = ioc; |
7b936b02 KD |
6070 | fw_event->VF_ID = mpi_reply->VF_ID; |
6071 | fw_event->VP_ID = mpi_reply->VP_ID; | |
635374e7 EM |
6072 | fw_event->event = event; |
6073 | _scsih_fw_event_add(ioc, fw_event); | |
77e63ed4 | 6074 | return 1; |
635374e7 EM |
6075 | } |
6076 | ||
6077 | /* shost template */ | |
6078 | static struct scsi_host_template scsih_driver_template = { | |
6079 | .module = THIS_MODULE, | |
6080 | .name = "Fusion MPT SAS Host", | |
6081 | .proc_name = MPT2SAS_DRIVER_NAME, | |
d5d135b3 EM |
6082 | .queuecommand = _scsih_qcmd, |
6083 | .target_alloc = _scsih_target_alloc, | |
6084 | .slave_alloc = _scsih_slave_alloc, | |
6085 | .slave_configure = _scsih_slave_configure, | |
6086 | .target_destroy = _scsih_target_destroy, | |
6087 | .slave_destroy = _scsih_slave_destroy, | |
6088 | .change_queue_depth = _scsih_change_queue_depth, | |
6089 | .change_queue_type = _scsih_change_queue_type, | |
6090 | .eh_abort_handler = _scsih_abort, | |
6091 | .eh_device_reset_handler = _scsih_dev_reset, | |
6092 | .eh_target_reset_handler = _scsih_target_reset, | |
6093 | .eh_host_reset_handler = _scsih_host_reset, | |
6094 | .bios_param = _scsih_bios_param, | |
635374e7 EM |
6095 | .can_queue = 1, |
6096 | .this_id = -1, | |
6097 | .sg_tablesize = MPT2SAS_SG_DEPTH, | |
6098 | .max_sectors = 8192, | |
6099 | .cmd_per_lun = 7, | |
6100 | .use_clustering = ENABLE_CLUSTERING, | |
6101 | .shost_attrs = mpt2sas_host_attrs, | |
6102 | .sdev_attrs = mpt2sas_dev_attrs, | |
6103 | }; | |
6104 | ||
6105 | /** | |
6106 | * _scsih_expander_node_remove - removing expander device from list. | |
6107 | * @ioc: per adapter object | |
6108 | * @sas_expander: the sas_device object | |
6109 | * Context: Calling function should acquire ioc->sas_node_lock. | |
6110 | * | |
6111 | * Removing object and freeing associated memory from the | |
6112 | * ioc->sas_expander_list. | |
6113 | * | |
6114 | * Return nothing. | |
6115 | */ | |
6116 | static void | |
6117 | _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc, | |
6118 | struct _sas_node *sas_expander) | |
6119 | { | |
6120 | struct _sas_port *mpt2sas_port; | |
6121 | struct _sas_device *sas_device; | |
6122 | struct _sas_node *expander_sibling; | |
6123 | unsigned long flags; | |
6124 | ||
6125 | if (!sas_expander) | |
6126 | return; | |
6127 | ||
6128 | /* remove sibling ports attached to this expander */ | |
6129 | retry_device_search: | |
6130 | list_for_each_entry(mpt2sas_port, | |
6131 | &sas_expander->sas_port_list, port_list) { | |
6132 | if (mpt2sas_port->remote_identify.device_type == | |
6133 | SAS_END_DEVICE) { | |
6134 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
6135 | sas_device = | |
6136 | mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
6137 | mpt2sas_port->remote_identify.sas_address); | |
6138 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
6139 | if (!sas_device) | |
6140 | continue; | |
c5e039be | 6141 | _scsih_remove_device(ioc, sas_device); |
155dd4c7 KD |
6142 | if (ioc->shost_recovery) |
6143 | return; | |
635374e7 EM |
6144 | goto retry_device_search; |
6145 | } | |
6146 | } | |
6147 | ||
6148 | retry_expander_search: | |
6149 | list_for_each_entry(mpt2sas_port, | |
6150 | &sas_expander->sas_port_list, port_list) { | |
6151 | ||
6152 | if (mpt2sas_port->remote_identify.device_type == | |
6153 | MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER || | |
6154 | mpt2sas_port->remote_identify.device_type == | |
6155 | MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER) { | |
6156 | ||
6157 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
6158 | expander_sibling = | |
6159 | mpt2sas_scsih_expander_find_by_sas_address( | |
6160 | ioc, mpt2sas_port->remote_identify.sas_address); | |
6161 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
6162 | if (!expander_sibling) | |
6163 | continue; | |
c5e039be KD |
6164 | _scsih_expander_remove(ioc, |
6165 | expander_sibling->sas_address); | |
155dd4c7 KD |
6166 | if (ioc->shost_recovery) |
6167 | return; | |
635374e7 EM |
6168 | goto retry_expander_search; |
6169 | } | |
6170 | } | |
6171 | ||
6172 | mpt2sas_transport_port_remove(ioc, sas_expander->sas_address, | |
c5e039be | 6173 | sas_expander->sas_address_parent); |
635374e7 EM |
6174 | |
6175 | printk(MPT2SAS_INFO_FMT "expander_remove: handle" | |
6176 | "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, | |
6177 | sas_expander->handle, (unsigned long long) | |
6178 | sas_expander->sas_address); | |
6179 | ||
6180 | list_del(&sas_expander->list); | |
6181 | kfree(sas_expander->phy); | |
6182 | kfree(sas_expander); | |
6183 | } | |
6184 | ||
744090d3 KD |
6185 | /** |
6186 | * _scsih_ir_shutdown - IR shutdown notification | |
6187 | * @ioc: per adapter object | |
6188 | * | |
6189 | * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that | |
6190 | * the host system is shutting down. | |
6191 | * | |
6192 | * Return nothing. | |
6193 | */ | |
6194 | static void | |
6195 | _scsih_ir_shutdown(struct MPT2SAS_ADAPTER *ioc) | |
6196 | { | |
6197 | Mpi2RaidActionRequest_t *mpi_request; | |
6198 | Mpi2RaidActionReply_t *mpi_reply; | |
6199 | u16 smid; | |
6200 | ||
6201 | /* is IR firmware build loaded ? */ | |
6202 | if (!ioc->ir_firmware) | |
6203 | return; | |
6204 | ||
6205 | /* are there any volumes ? */ | |
6206 | if (list_empty(&ioc->raid_device_list)) | |
6207 | return; | |
6208 | ||
6209 | mutex_lock(&ioc->scsih_cmds.mutex); | |
6210 | ||
6211 | if (ioc->scsih_cmds.status != MPT2_CMD_NOT_USED) { | |
6212 | printk(MPT2SAS_ERR_FMT "%s: scsih_cmd in use\n", | |
6213 | ioc->name, __func__); | |
6214 | goto out; | |
6215 | } | |
6216 | ioc->scsih_cmds.status = MPT2_CMD_PENDING; | |
6217 | ||
6218 | smid = mpt2sas_base_get_smid(ioc, ioc->scsih_cb_idx); | |
6219 | if (!smid) { | |
6220 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
6221 | ioc->name, __func__); | |
6222 | ioc->scsih_cmds.status = MPT2_CMD_NOT_USED; | |
6223 | goto out; | |
6224 | } | |
6225 | ||
6226 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
6227 | ioc->scsih_cmds.smid = smid; | |
6228 | memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t)); | |
6229 | ||
6230 | mpi_request->Function = MPI2_FUNCTION_RAID_ACTION; | |
6231 | mpi_request->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED; | |
6232 | ||
6233 | printk(MPT2SAS_INFO_FMT "IR shutdown (sending)\n", ioc->name); | |
6234 | init_completion(&ioc->scsih_cmds.done); | |
6235 | mpt2sas_base_put_smid_default(ioc, smid); | |
6236 | wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ); | |
6237 | ||
6238 | if (!(ioc->scsih_cmds.status & MPT2_CMD_COMPLETE)) { | |
6239 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
6240 | ioc->name, __func__); | |
6241 | goto out; | |
6242 | } | |
6243 | ||
6244 | if (ioc->scsih_cmds.status & MPT2_CMD_REPLY_VALID) { | |
6245 | mpi_reply = ioc->scsih_cmds.reply; | |
6246 | ||
6247 | printk(MPT2SAS_INFO_FMT "IR shutdown (complete): " | |
6248 | "ioc_status(0x%04x), loginfo(0x%08x)\n", | |
6249 | ioc->name, le16_to_cpu(mpi_reply->IOCStatus), | |
6250 | le32_to_cpu(mpi_reply->IOCLogInfo)); | |
6251 | } | |
6252 | ||
6253 | out: | |
6254 | ioc->scsih_cmds.status = MPT2_CMD_NOT_USED; | |
6255 | mutex_unlock(&ioc->scsih_cmds.mutex); | |
6256 | } | |
6257 | ||
6258 | /** | |
6259 | * _scsih_shutdown - routine call during system shutdown | |
6260 | * @pdev: PCI device struct | |
6261 | * | |
6262 | * Return nothing. | |
6263 | */ | |
6264 | static void | |
6265 | _scsih_shutdown(struct pci_dev *pdev) | |
6266 | { | |
6267 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
6268 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
f1c35e6a KD |
6269 | struct workqueue_struct *wq; |
6270 | unsigned long flags; | |
6271 | ||
6272 | ioc->remove_host = 1; | |
6273 | _scsih_fw_event_cleanup_queue(ioc); | |
6274 | ||
6275 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
6276 | wq = ioc->firmware_event_thread; | |
6277 | ioc->firmware_event_thread = NULL; | |
6278 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
6279 | if (wq) | |
6280 | destroy_workqueue(wq); | |
744090d3 KD |
6281 | |
6282 | _scsih_ir_shutdown(ioc); | |
6283 | mpt2sas_base_detach(ioc); | |
6284 | } | |
6285 | ||
635374e7 | 6286 | /** |
d5d135b3 | 6287 | * _scsih_remove - detach and remove add host |
635374e7 EM |
6288 | * @pdev: PCI device struct |
6289 | * | |
744090d3 | 6290 | * Routine called when unloading the driver. |
635374e7 EM |
6291 | * Return nothing. |
6292 | */ | |
6293 | static void __devexit | |
d5d135b3 | 6294 | _scsih_remove(struct pci_dev *pdev) |
635374e7 EM |
6295 | { |
6296 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
6297 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
6298 | struct _sas_port *mpt2sas_port; | |
6299 | struct _sas_device *sas_device; | |
6300 | struct _sas_node *expander_sibling; | |
d7384b28 KD |
6301 | struct _raid_device *raid_device, *next; |
6302 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
635374e7 EM |
6303 | struct workqueue_struct *wq; |
6304 | unsigned long flags; | |
6305 | ||
6306 | ioc->remove_host = 1; | |
f1c35e6a | 6307 | _scsih_fw_event_cleanup_queue(ioc); |
635374e7 EM |
6308 | |
6309 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
6310 | wq = ioc->firmware_event_thread; | |
6311 | ioc->firmware_event_thread = NULL; | |
6312 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
6313 | if (wq) | |
6314 | destroy_workqueue(wq); | |
6315 | ||
d7384b28 KD |
6316 | /* release all the volumes */ |
6317 | list_for_each_entry_safe(raid_device, next, &ioc->raid_device_list, | |
6318 | list) { | |
6319 | if (raid_device->starget) { | |
6320 | sas_target_priv_data = | |
6321 | raid_device->starget->hostdata; | |
6322 | sas_target_priv_data->deleted = 1; | |
6323 | scsi_remove_target(&raid_device->starget->dev); | |
6324 | } | |
6325 | printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), wwid" | |
6326 | "(0x%016llx)\n", ioc->name, raid_device->handle, | |
6327 | (unsigned long long) raid_device->wwid); | |
6328 | _scsih_raid_device_remove(ioc, raid_device); | |
6329 | } | |
6330 | ||
635374e7 EM |
6331 | /* free ports attached to the sas_host */ |
6332 | retry_again: | |
6333 | list_for_each_entry(mpt2sas_port, | |
6334 | &ioc->sas_hba.sas_port_list, port_list) { | |
6335 | if (mpt2sas_port->remote_identify.device_type == | |
6336 | SAS_END_DEVICE) { | |
6337 | sas_device = | |
6338 | mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
6339 | mpt2sas_port->remote_identify.sas_address); | |
6340 | if (sas_device) { | |
c5e039be | 6341 | _scsih_remove_device(ioc, sas_device); |
635374e7 EM |
6342 | goto retry_again; |
6343 | } | |
6344 | } else { | |
6345 | expander_sibling = | |
6346 | mpt2sas_scsih_expander_find_by_sas_address(ioc, | |
6347 | mpt2sas_port->remote_identify.sas_address); | |
6348 | if (expander_sibling) { | |
6349 | _scsih_expander_remove(ioc, | |
c5e039be | 6350 | expander_sibling->sas_address); |
635374e7 EM |
6351 | goto retry_again; |
6352 | } | |
6353 | } | |
6354 | } | |
6355 | ||
6356 | /* free phys attached to the sas_host */ | |
6357 | if (ioc->sas_hba.num_phys) { | |
6358 | kfree(ioc->sas_hba.phy); | |
6359 | ioc->sas_hba.phy = NULL; | |
6360 | ioc->sas_hba.num_phys = 0; | |
6361 | } | |
6362 | ||
6363 | sas_remove_host(shost); | |
744090d3 | 6364 | _scsih_shutdown(pdev); |
635374e7 EM |
6365 | list_del(&ioc->list); |
6366 | scsi_remove_host(shost); | |
6367 | scsi_host_put(shost); | |
6368 | } | |
6369 | ||
6370 | /** | |
6371 | * _scsih_probe_boot_devices - reports 1st device | |
6372 | * @ioc: per adapter object | |
6373 | * | |
6374 | * If specified in bios page 2, this routine reports the 1st | |
6375 | * device scsi-ml or sas transport for persistent boot device | |
6376 | * purposes. Please refer to function _scsih_determine_boot_device() | |
6377 | */ | |
6378 | static void | |
6379 | _scsih_probe_boot_devices(struct MPT2SAS_ADAPTER *ioc) | |
6380 | { | |
6381 | u8 is_raid; | |
6382 | void *device; | |
6383 | struct _sas_device *sas_device; | |
6384 | struct _raid_device *raid_device; | |
c5e039be KD |
6385 | u16 handle; |
6386 | u64 sas_address_parent; | |
635374e7 EM |
6387 | u64 sas_address; |
6388 | unsigned long flags; | |
6389 | int rc; | |
6390 | ||
6391 | device = NULL; | |
6392 | if (ioc->req_boot_device.device) { | |
6393 | device = ioc->req_boot_device.device; | |
6394 | is_raid = ioc->req_boot_device.is_raid; | |
6395 | } else if (ioc->req_alt_boot_device.device) { | |
6396 | device = ioc->req_alt_boot_device.device; | |
6397 | is_raid = ioc->req_alt_boot_device.is_raid; | |
6398 | } else if (ioc->current_boot_device.device) { | |
6399 | device = ioc->current_boot_device.device; | |
6400 | is_raid = ioc->current_boot_device.is_raid; | |
6401 | } | |
6402 | ||
6403 | if (!device) | |
6404 | return; | |
6405 | ||
6406 | if (is_raid) { | |
6407 | raid_device = device; | |
6408 | rc = scsi_add_device(ioc->shost, RAID_CHANNEL, | |
6409 | raid_device->id, 0); | |
6410 | if (rc) | |
6411 | _scsih_raid_device_remove(ioc, raid_device); | |
6412 | } else { | |
6413 | sas_device = device; | |
6414 | handle = sas_device->handle; | |
c5e039be | 6415 | sas_address_parent = sas_device->sas_address_parent; |
635374e7 EM |
6416 | sas_address = sas_device->sas_address; |
6417 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
6418 | list_move_tail(&sas_device->list, &ioc->sas_device_list); | |
6419 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
6420 | if (!mpt2sas_transport_port_add(ioc, sas_device->handle, | |
c5e039be | 6421 | sas_device->sas_address_parent)) { |
635374e7 EM |
6422 | _scsih_sas_device_remove(ioc, sas_device); |
6423 | } else if (!sas_device->starget) { | |
6424 | mpt2sas_transport_port_remove(ioc, sas_address, | |
c5e039be | 6425 | sas_address_parent); |
635374e7 EM |
6426 | _scsih_sas_device_remove(ioc, sas_device); |
6427 | } | |
6428 | } | |
6429 | } | |
6430 | ||
6431 | /** | |
6432 | * _scsih_probe_raid - reporting raid volumes to scsi-ml | |
6433 | * @ioc: per adapter object | |
6434 | * | |
6435 | * Called during initial loading of the driver. | |
6436 | */ | |
6437 | static void | |
6438 | _scsih_probe_raid(struct MPT2SAS_ADAPTER *ioc) | |
6439 | { | |
6440 | struct _raid_device *raid_device, *raid_next; | |
6441 | int rc; | |
6442 | ||
6443 | list_for_each_entry_safe(raid_device, raid_next, | |
6444 | &ioc->raid_device_list, list) { | |
6445 | if (raid_device->starget) | |
6446 | continue; | |
6447 | rc = scsi_add_device(ioc->shost, RAID_CHANNEL, | |
6448 | raid_device->id, 0); | |
6449 | if (rc) | |
6450 | _scsih_raid_device_remove(ioc, raid_device); | |
6451 | } | |
6452 | } | |
6453 | ||
6454 | /** | |
77e63ed4 | 6455 | * _scsih_probe_sas - reporting sas devices to sas transport |
635374e7 EM |
6456 | * @ioc: per adapter object |
6457 | * | |
6458 | * Called during initial loading of the driver. | |
6459 | */ | |
6460 | static void | |
6461 | _scsih_probe_sas(struct MPT2SAS_ADAPTER *ioc) | |
6462 | { | |
6463 | struct _sas_device *sas_device, *next; | |
6464 | unsigned long flags; | |
635374e7 EM |
6465 | |
6466 | /* SAS Device List */ | |
6467 | list_for_each_entry_safe(sas_device, next, &ioc->sas_device_init_list, | |
6468 | list) { | |
6469 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
6470 | list_move_tail(&sas_device->list, &ioc->sas_device_list); | |
6471 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
6472 | ||
c5e039be KD |
6473 | if (!mpt2sas_transport_port_add(ioc, sas_device->handle, |
6474 | sas_device->sas_address_parent)) { | |
635374e7 EM |
6475 | _scsih_sas_device_remove(ioc, sas_device); |
6476 | } else if (!sas_device->starget) { | |
c5e039be KD |
6477 | mpt2sas_transport_port_remove(ioc, |
6478 | sas_device->sas_address, | |
6479 | sas_device->sas_address_parent); | |
635374e7 EM |
6480 | _scsih_sas_device_remove(ioc, sas_device); |
6481 | } | |
6482 | } | |
6483 | } | |
6484 | ||
6485 | /** | |
6486 | * _scsih_probe_devices - probing for devices | |
6487 | * @ioc: per adapter object | |
6488 | * | |
6489 | * Called during initial loading of the driver. | |
6490 | */ | |
6491 | static void | |
6492 | _scsih_probe_devices(struct MPT2SAS_ADAPTER *ioc) | |
6493 | { | |
6494 | u16 volume_mapping_flags = | |
6495 | le16_to_cpu(ioc->ioc_pg8.IRVolumeMappingFlags) & | |
6496 | MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; | |
6497 | ||
6498 | if (!(ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR)) | |
6499 | return; /* return when IOC doesn't support initiator mode */ | |
6500 | ||
6501 | _scsih_probe_boot_devices(ioc); | |
6502 | ||
6503 | if (ioc->ir_firmware) { | |
6504 | if ((volume_mapping_flags & | |
6505 | MPI2_IOCPAGE8_IRFLAGS_HIGH_VOLUME_MAPPING)) { | |
6506 | _scsih_probe_sas(ioc); | |
6507 | _scsih_probe_raid(ioc); | |
6508 | } else { | |
6509 | _scsih_probe_raid(ioc); | |
6510 | _scsih_probe_sas(ioc); | |
6511 | } | |
6512 | } else | |
6513 | _scsih_probe_sas(ioc); | |
6514 | } | |
6515 | ||
6516 | /** | |
d5d135b3 | 6517 | * _scsih_probe - attach and add scsi host |
635374e7 EM |
6518 | * @pdev: PCI device struct |
6519 | * @id: pci device id | |
6520 | * | |
6521 | * Returns 0 success, anything else error. | |
6522 | */ | |
6523 | static int | |
d5d135b3 | 6524 | _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) |
635374e7 EM |
6525 | { |
6526 | struct MPT2SAS_ADAPTER *ioc; | |
6527 | struct Scsi_Host *shost; | |
6528 | ||
6529 | shost = scsi_host_alloc(&scsih_driver_template, | |
6530 | sizeof(struct MPT2SAS_ADAPTER)); | |
6531 | if (!shost) | |
6532 | return -ENODEV; | |
6533 | ||
6534 | /* init local params */ | |
6535 | ioc = shost_priv(shost); | |
6536 | memset(ioc, 0, sizeof(struct MPT2SAS_ADAPTER)); | |
6537 | INIT_LIST_HEAD(&ioc->list); | |
ba33fadf | 6538 | list_add_tail(&ioc->list, &mpt2sas_ioc_list); |
635374e7 EM |
6539 | ioc->shost = shost; |
6540 | ioc->id = mpt_ids++; | |
6541 | sprintf(ioc->name, "%s%d", MPT2SAS_DRIVER_NAME, ioc->id); | |
6542 | ioc->pdev = pdev; | |
6543 | ioc->scsi_io_cb_idx = scsi_io_cb_idx; | |
6544 | ioc->tm_cb_idx = tm_cb_idx; | |
6545 | ioc->ctl_cb_idx = ctl_cb_idx; | |
6546 | ioc->base_cb_idx = base_cb_idx; | |
6547 | ioc->transport_cb_idx = transport_cb_idx; | |
744090d3 | 6548 | ioc->scsih_cb_idx = scsih_cb_idx; |
635374e7 | 6549 | ioc->config_cb_idx = config_cb_idx; |
77e63ed4 KD |
6550 | ioc->tm_tr_cb_idx = tm_tr_cb_idx; |
6551 | ioc->tm_sas_control_cb_idx = tm_sas_control_cb_idx; | |
635374e7 EM |
6552 | ioc->logging_level = logging_level; |
6553 | /* misc semaphores and spin locks */ | |
6554 | spin_lock_init(&ioc->ioc_reset_in_progress_lock); | |
6555 | spin_lock_init(&ioc->scsi_lookup_lock); | |
6556 | spin_lock_init(&ioc->sas_device_lock); | |
6557 | spin_lock_init(&ioc->sas_node_lock); | |
6558 | spin_lock_init(&ioc->fw_event_lock); | |
6559 | spin_lock_init(&ioc->raid_device_lock); | |
6560 | ||
6561 | INIT_LIST_HEAD(&ioc->sas_device_list); | |
6562 | INIT_LIST_HEAD(&ioc->sas_device_init_list); | |
6563 | INIT_LIST_HEAD(&ioc->sas_expander_list); | |
6564 | INIT_LIST_HEAD(&ioc->fw_event_list); | |
6565 | INIT_LIST_HEAD(&ioc->raid_device_list); | |
6566 | INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list); | |
77e63ed4 | 6567 | INIT_LIST_HEAD(&ioc->delayed_tr_list); |
635374e7 EM |
6568 | |
6569 | /* init shost parameters */ | |
6570 | shost->max_cmd_len = 16; | |
6571 | shost->max_lun = max_lun; | |
6572 | shost->transportt = mpt2sas_transport_template; | |
6573 | shost->unique_id = ioc->id; | |
6574 | ||
6575 | if ((scsi_add_host(shost, &pdev->dev))) { | |
6576 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
6577 | ioc->name, __FILE__, __LINE__, __func__); | |
6578 | list_del(&ioc->list); | |
6579 | goto out_add_shost_fail; | |
6580 | } | |
6581 | ||
3c621b3e EM |
6582 | scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION |
6583 | | SHOST_DIF_TYPE3_PROTECTION); | |
77e63ed4 | 6584 | scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC); |
3c621b3e | 6585 | |
635374e7 EM |
6586 | /* event thread */ |
6587 | snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name), | |
6588 | "fw_event%d", ioc->id); | |
6589 | ioc->firmware_event_thread = create_singlethread_workqueue( | |
6590 | ioc->firmware_event_name); | |
6591 | if (!ioc->firmware_event_thread) { | |
6592 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
6593 | ioc->name, __FILE__, __LINE__, __func__); | |
6594 | goto out_thread_fail; | |
6595 | } | |
6596 | ||
6597 | ioc->wait_for_port_enable_to_complete = 1; | |
6598 | if ((mpt2sas_base_attach(ioc))) { | |
6599 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
6600 | ioc->name, __FILE__, __LINE__, __func__); | |
6601 | goto out_attach_fail; | |
6602 | } | |
6603 | ||
6604 | ioc->wait_for_port_enable_to_complete = 0; | |
6605 | _scsih_probe_devices(ioc); | |
6606 | return 0; | |
6607 | ||
6608 | out_attach_fail: | |
6609 | destroy_workqueue(ioc->firmware_event_thread); | |
6610 | out_thread_fail: | |
6611 | list_del(&ioc->list); | |
6612 | scsi_remove_host(shost); | |
6613 | out_add_shost_fail: | |
6614 | return -ENODEV; | |
6615 | } | |
6616 | ||
6617 | #ifdef CONFIG_PM | |
6618 | /** | |
d5d135b3 | 6619 | * _scsih_suspend - power management suspend main entry point |
635374e7 EM |
6620 | * @pdev: PCI device struct |
6621 | * @state: PM state change to (usually PCI_D3) | |
6622 | * | |
6623 | * Returns 0 success, anything else error. | |
6624 | */ | |
6625 | static int | |
d5d135b3 | 6626 | _scsih_suspend(struct pci_dev *pdev, pm_message_t state) |
635374e7 EM |
6627 | { |
6628 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
6629 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
6630 | u32 device_state; | |
6631 | ||
e4750c98 | 6632 | mpt2sas_base_stop_watchdog(ioc); |
635374e7 EM |
6633 | flush_scheduled_work(); |
6634 | scsi_block_requests(shost); | |
6635 | device_state = pci_choose_state(pdev, state); | |
6636 | printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, entering " | |
6637 | "operating state [D%d]\n", ioc->name, pdev, | |
6638 | pci_name(pdev), device_state); | |
6639 | ||
6640 | mpt2sas_base_free_resources(ioc); | |
6641 | pci_save_state(pdev); | |
6642 | pci_disable_device(pdev); | |
6643 | pci_set_power_state(pdev, device_state); | |
6644 | return 0; | |
6645 | } | |
6646 | ||
6647 | /** | |
d5d135b3 | 6648 | * _scsih_resume - power management resume main entry point |
635374e7 EM |
6649 | * @pdev: PCI device struct |
6650 | * | |
6651 | * Returns 0 success, anything else error. | |
6652 | */ | |
6653 | static int | |
d5d135b3 | 6654 | _scsih_resume(struct pci_dev *pdev) |
635374e7 EM |
6655 | { |
6656 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
6657 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
6658 | u32 device_state = pdev->current_state; | |
6659 | int r; | |
6660 | ||
6661 | printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, previous " | |
6662 | "operating state [D%d]\n", ioc->name, pdev, | |
6663 | pci_name(pdev), device_state); | |
6664 | ||
6665 | pci_set_power_state(pdev, PCI_D0); | |
6666 | pci_enable_wake(pdev, PCI_D0, 0); | |
6667 | pci_restore_state(pdev); | |
6668 | ioc->pdev = pdev; | |
6669 | r = mpt2sas_base_map_resources(ioc); | |
6670 | if (r) | |
6671 | return r; | |
6672 | ||
6673 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, SOFT_RESET); | |
6674 | scsi_unblock_requests(shost); | |
e4750c98 | 6675 | mpt2sas_base_start_watchdog(ioc); |
635374e7 EM |
6676 | return 0; |
6677 | } | |
6678 | #endif /* CONFIG_PM */ | |
6679 | ||
ef7c80c1 KD |
6680 | /** |
6681 | * _scsih_pci_error_detected - Called when a PCI error is detected. | |
6682 | * @pdev: PCI device struct | |
6683 | * @state: PCI channel state | |
6684 | * | |
6685 | * Description: Called when a PCI error is detected. | |
6686 | * | |
6687 | * Return value: | |
6688 | * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT | |
6689 | */ | |
6690 | static pci_ers_result_t | |
6691 | _scsih_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) | |
6692 | { | |
6693 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
6694 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
6695 | ||
6696 | printk(MPT2SAS_INFO_FMT "PCI error: detected callback, state(%d)!!\n", | |
6697 | ioc->name, state); | |
6698 | ||
6699 | switch (state) { | |
6700 | case pci_channel_io_normal: | |
6701 | return PCI_ERS_RESULT_CAN_RECOVER; | |
6702 | case pci_channel_io_frozen: | |
6703 | scsi_block_requests(ioc->shost); | |
6704 | mpt2sas_base_stop_watchdog(ioc); | |
6705 | mpt2sas_base_free_resources(ioc); | |
6706 | return PCI_ERS_RESULT_NEED_RESET; | |
6707 | case pci_channel_io_perm_failure: | |
6708 | _scsih_remove(pdev); | |
6709 | return PCI_ERS_RESULT_DISCONNECT; | |
6710 | } | |
6711 | return PCI_ERS_RESULT_NEED_RESET; | |
6712 | } | |
6713 | ||
6714 | /** | |
6715 | * _scsih_pci_slot_reset - Called when PCI slot has been reset. | |
6716 | * @pdev: PCI device struct | |
6717 | * | |
6718 | * Description: This routine is called by the pci error recovery | |
6719 | * code after the PCI slot has been reset, just before we | |
6720 | * should resume normal operations. | |
6721 | */ | |
6722 | static pci_ers_result_t | |
6723 | _scsih_pci_slot_reset(struct pci_dev *pdev) | |
6724 | { | |
6725 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
6726 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
6727 | int rc; | |
6728 | ||
6729 | printk(MPT2SAS_INFO_FMT "PCI error: slot reset callback!!\n", | |
6730 | ioc->name); | |
6731 | ||
6732 | ioc->pdev = pdev; | |
6733 | rc = mpt2sas_base_map_resources(ioc); | |
6734 | if (rc) | |
6735 | return PCI_ERS_RESULT_DISCONNECT; | |
6736 | ||
6737 | ||
6738 | rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
6739 | FORCE_BIG_HAMMER); | |
6740 | ||
6741 | printk(MPT2SAS_WARN_FMT "hard reset: %s\n", ioc->name, | |
6742 | (rc == 0) ? "success" : "failed"); | |
6743 | ||
6744 | if (!rc) | |
6745 | return PCI_ERS_RESULT_RECOVERED; | |
6746 | else | |
6747 | return PCI_ERS_RESULT_DISCONNECT; | |
6748 | } | |
6749 | ||
6750 | /** | |
6751 | * _scsih_pci_resume() - resume normal ops after PCI reset | |
6752 | * @pdev: pointer to PCI device | |
6753 | * | |
6754 | * Called when the error recovery driver tells us that its | |
6755 | * OK to resume normal operation. Use completion to allow | |
6756 | * halted scsi ops to resume. | |
6757 | */ | |
6758 | static void | |
6759 | _scsih_pci_resume(struct pci_dev *pdev) | |
6760 | { | |
6761 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
6762 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
6763 | ||
6764 | printk(MPT2SAS_INFO_FMT "PCI error: resume callback!!\n", ioc->name); | |
6765 | ||
6766 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
6767 | mpt2sas_base_start_watchdog(ioc); | |
6768 | scsi_unblock_requests(ioc->shost); | |
6769 | } | |
6770 | ||
6771 | /** | |
6772 | * _scsih_pci_mmio_enabled - Enable MMIO and dump debug registers | |
6773 | * @pdev: pointer to PCI device | |
6774 | */ | |
6775 | static pci_ers_result_t | |
6776 | _scsih_pci_mmio_enabled(struct pci_dev *pdev) | |
6777 | { | |
6778 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
6779 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
6780 | ||
6781 | printk(MPT2SAS_INFO_FMT "PCI error: mmio enabled callback!!\n", | |
6782 | ioc->name); | |
6783 | ||
6784 | /* TODO - dump whatever for debugging purposes */ | |
6785 | ||
6786 | /* Request a slot reset. */ | |
6787 | return PCI_ERS_RESULT_NEED_RESET; | |
6788 | } | |
6789 | ||
6790 | static struct pci_error_handlers _scsih_err_handler = { | |
6791 | .error_detected = _scsih_pci_error_detected, | |
6792 | .mmio_enabled = _scsih_pci_mmio_enabled, | |
6793 | .slot_reset = _scsih_pci_slot_reset, | |
6794 | .resume = _scsih_pci_resume, | |
6795 | }; | |
635374e7 EM |
6796 | |
6797 | static struct pci_driver scsih_driver = { | |
6798 | .name = MPT2SAS_DRIVER_NAME, | |
6799 | .id_table = scsih_pci_table, | |
d5d135b3 EM |
6800 | .probe = _scsih_probe, |
6801 | .remove = __devexit_p(_scsih_remove), | |
744090d3 | 6802 | .shutdown = _scsih_shutdown, |
ef7c80c1 | 6803 | .err_handler = &_scsih_err_handler, |
635374e7 | 6804 | #ifdef CONFIG_PM |
d5d135b3 EM |
6805 | .suspend = _scsih_suspend, |
6806 | .resume = _scsih_resume, | |
635374e7 EM |
6807 | #endif |
6808 | }; | |
6809 | ||
f7c95ef0 KD |
6810 | /* raid transport support */ |
6811 | static struct raid_function_template mpt2sas_raid_functions = { | |
6812 | .cookie = &scsih_driver_template, | |
6813 | .is_raid = _scsih_is_raid, | |
6814 | .get_resync = _scsih_get_resync, | |
6815 | .get_state = _scsih_get_state, | |
6816 | }; | |
635374e7 EM |
6817 | |
6818 | /** | |
d5d135b3 | 6819 | * _scsih_init - main entry point for this driver. |
635374e7 EM |
6820 | * |
6821 | * Returns 0 success, anything else error. | |
6822 | */ | |
6823 | static int __init | |
d5d135b3 | 6824 | _scsih_init(void) |
635374e7 EM |
6825 | { |
6826 | int error; | |
6827 | ||
6828 | mpt_ids = 0; | |
6829 | printk(KERN_INFO "%s version %s loaded\n", MPT2SAS_DRIVER_NAME, | |
6830 | MPT2SAS_DRIVER_VERSION); | |
6831 | ||
6832 | mpt2sas_transport_template = | |
6833 | sas_attach_transport(&mpt2sas_transport_functions); | |
6834 | if (!mpt2sas_transport_template) | |
6835 | return -ENODEV; | |
f7c95ef0 KD |
6836 | /* raid transport support */ |
6837 | mpt2sas_raid_template = raid_class_attach(&mpt2sas_raid_functions); | |
6838 | if (!mpt2sas_raid_template) { | |
6839 | sas_release_transport(mpt2sas_transport_template); | |
6840 | return -ENODEV; | |
6841 | } | |
635374e7 EM |
6842 | |
6843 | mpt2sas_base_initialize_callback_handler(); | |
6844 | ||
6845 | /* queuecommand callback hander */ | |
d5d135b3 | 6846 | scsi_io_cb_idx = mpt2sas_base_register_callback_handler(_scsih_io_done); |
635374e7 EM |
6847 | |
6848 | /* task managment callback handler */ | |
d5d135b3 | 6849 | tm_cb_idx = mpt2sas_base_register_callback_handler(_scsih_tm_done); |
635374e7 EM |
6850 | |
6851 | /* base internal commands callback handler */ | |
6852 | base_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_base_done); | |
6853 | ||
6854 | /* transport internal commands callback handler */ | |
6855 | transport_cb_idx = mpt2sas_base_register_callback_handler( | |
6856 | mpt2sas_transport_done); | |
6857 | ||
744090d3 KD |
6858 | /* scsih internal commands callback handler */ |
6859 | scsih_cb_idx = mpt2sas_base_register_callback_handler(_scsih_done); | |
6860 | ||
635374e7 EM |
6861 | /* configuration page API internal commands callback handler */ |
6862 | config_cb_idx = mpt2sas_base_register_callback_handler( | |
6863 | mpt2sas_config_done); | |
6864 | ||
6865 | /* ctl module callback handler */ | |
6866 | ctl_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_ctl_done); | |
6867 | ||
77e63ed4 KD |
6868 | tm_tr_cb_idx = mpt2sas_base_register_callback_handler( |
6869 | _scsih_tm_tr_complete); | |
6870 | tm_sas_control_cb_idx = mpt2sas_base_register_callback_handler( | |
6871 | _scsih_sas_control_complete); | |
6872 | ||
635374e7 EM |
6873 | mpt2sas_ctl_init(); |
6874 | ||
6875 | error = pci_register_driver(&scsih_driver); | |
f7c95ef0 KD |
6876 | if (error) { |
6877 | /* raid transport support */ | |
6878 | raid_class_release(mpt2sas_raid_template); | |
635374e7 | 6879 | sas_release_transport(mpt2sas_transport_template); |
f7c95ef0 | 6880 | } |
635374e7 EM |
6881 | |
6882 | return error; | |
6883 | } | |
6884 | ||
6885 | /** | |
d5d135b3 | 6886 | * _scsih_exit - exit point for this driver (when it is a module). |
635374e7 EM |
6887 | * |
6888 | * Returns 0 success, anything else error. | |
6889 | */ | |
6890 | static void __exit | |
d5d135b3 | 6891 | _scsih_exit(void) |
635374e7 EM |
6892 | { |
6893 | printk(KERN_INFO "mpt2sas version %s unloading\n", | |
6894 | MPT2SAS_DRIVER_VERSION); | |
6895 | ||
6896 | pci_unregister_driver(&scsih_driver); | |
6897 | ||
f7c95ef0 KD |
6898 | mpt2sas_ctl_exit(); |
6899 | ||
635374e7 EM |
6900 | mpt2sas_base_release_callback_handler(scsi_io_cb_idx); |
6901 | mpt2sas_base_release_callback_handler(tm_cb_idx); | |
6902 | mpt2sas_base_release_callback_handler(base_cb_idx); | |
6903 | mpt2sas_base_release_callback_handler(transport_cb_idx); | |
744090d3 | 6904 | mpt2sas_base_release_callback_handler(scsih_cb_idx); |
635374e7 EM |
6905 | mpt2sas_base_release_callback_handler(config_cb_idx); |
6906 | mpt2sas_base_release_callback_handler(ctl_cb_idx); | |
6907 | ||
77e63ed4 KD |
6908 | mpt2sas_base_release_callback_handler(tm_tr_cb_idx); |
6909 | mpt2sas_base_release_callback_handler(tm_sas_control_cb_idx); | |
6910 | ||
f7c95ef0 KD |
6911 | /* raid transport support */ |
6912 | raid_class_release(mpt2sas_raid_template); | |
6913 | sas_release_transport(mpt2sas_transport_template); | |
6914 | ||
635374e7 EM |
6915 | } |
6916 | ||
d5d135b3 EM |
6917 | module_init(_scsih_init); |
6918 | module_exit(_scsih_exit); |