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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 | |
19d3ebe3 | 5 | * Copyright (C) 2007-2009 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> | |
f7c95ef0 | 55 | #include <linux/raid_class.h> |
5a0e3ad6 | 56 | #include <linux/slab.h> |
635374e7 EM |
57 | |
58 | #include "mpt2sas_base.h" | |
59 | ||
60 | MODULE_AUTHOR(MPT2SAS_AUTHOR); | |
61 | MODULE_DESCRIPTION(MPT2SAS_DESCRIPTION); | |
62 | MODULE_LICENSE("GPL"); | |
63 | MODULE_VERSION(MPT2SAS_DRIVER_VERSION); | |
64 | ||
65 | #define RAID_CHANNEL 1 | |
66 | ||
67 | /* forward proto's */ | |
68 | static void _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc, | |
69 | struct _sas_node *sas_expander); | |
70 | static void _firmware_event_work(struct work_struct *work); | |
71 | ||
72 | /* global parameters */ | |
ba33fadf | 73 | LIST_HEAD(mpt2sas_ioc_list); |
635374e7 EM |
74 | |
75 | /* local parameters */ | |
635374e7 EM |
76 | static u8 scsi_io_cb_idx = -1; |
77 | static u8 tm_cb_idx = -1; | |
78 | static u8 ctl_cb_idx = -1; | |
79 | static u8 base_cb_idx = -1; | |
80 | static u8 transport_cb_idx = -1; | |
744090d3 | 81 | static u8 scsih_cb_idx = -1; |
635374e7 EM |
82 | static u8 config_cb_idx = -1; |
83 | static int mpt_ids; | |
84 | ||
77e63ed4 KD |
85 | static u8 tm_tr_cb_idx = -1 ; |
86 | static u8 tm_sas_control_cb_idx = -1; | |
87 | ||
635374e7 | 88 | /* command line options */ |
ba33fadf | 89 | static u32 logging_level; |
635374e7 EM |
90 | MODULE_PARM_DESC(logging_level, " bits for enabling additional logging info " |
91 | "(default=0)"); | |
92 | ||
93 | /* scsi-mid layer global parmeter is max_report_luns, which is 511 */ | |
94 | #define MPT2SAS_MAX_LUN (16895) | |
95 | static int max_lun = MPT2SAS_MAX_LUN; | |
96 | module_param(max_lun, int, 0); | |
97 | MODULE_PARM_DESC(max_lun, " max lun, default=16895 "); | |
98 | ||
99 | /** | |
100 | * struct sense_info - common structure for obtaining sense keys | |
101 | * @skey: sense key | |
102 | * @asc: additional sense code | |
103 | * @ascq: additional sense code qualifier | |
104 | */ | |
105 | struct sense_info { | |
106 | u8 skey; | |
107 | u8 asc; | |
108 | u8 ascq; | |
109 | }; | |
110 | ||
111 | ||
635374e7 EM |
112 | /** |
113 | * struct fw_event_work - firmware event struct | |
114 | * @list: link list framework | |
115 | * @work: work object (ioc->fault_reset_work_q) | |
116 | * @ioc: per adapter object | |
117 | * @VF_ID: virtual function id | |
7b936b02 | 118 | * @VP_ID: virtual port id |
635374e7 EM |
119 | * @host_reset_handling: handling events during host reset |
120 | * @ignore: flag meaning this event has been marked to ignore | |
121 | * @event: firmware event MPI2_EVENT_XXX defined in mpt2_ioc.h | |
122 | * @event_data: reply event data payload follows | |
123 | * | |
124 | * This object stored on ioc->fw_event_list. | |
125 | */ | |
126 | struct fw_event_work { | |
127 | struct list_head list; | |
6f92a7a0 | 128 | struct work_struct work; |
635374e7 EM |
129 | struct MPT2SAS_ADAPTER *ioc; |
130 | u8 VF_ID; | |
7b936b02 | 131 | u8 VP_ID; |
635374e7 EM |
132 | u8 host_reset_handling; |
133 | u8 ignore; | |
134 | u16 event; | |
135 | void *event_data; | |
136 | }; | |
137 | ||
f7c95ef0 KD |
138 | /* raid transport support */ |
139 | static struct raid_template *mpt2sas_raid_template; | |
140 | ||
635374e7 EM |
141 | /** |
142 | * struct _scsi_io_transfer - scsi io transfer | |
143 | * @handle: sas device handle (assigned by firmware) | |
144 | * @is_raid: flag set for hidden raid components | |
145 | * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE, | |
146 | * @data_length: data transfer length | |
147 | * @data_dma: dma pointer to data | |
148 | * @sense: sense data | |
149 | * @lun: lun number | |
150 | * @cdb_length: cdb length | |
151 | * @cdb: cdb contents | |
635374e7 | 152 | * @timeout: timeout for this command |
7b936b02 KD |
153 | * @VF_ID: virtual function id |
154 | * @VP_ID: virtual port id | |
155 | * @valid_reply: flag set for reply message | |
635374e7 EM |
156 | * @sense_length: sense length |
157 | * @ioc_status: ioc status | |
158 | * @scsi_state: scsi state | |
159 | * @scsi_status: scsi staus | |
160 | * @log_info: log information | |
161 | * @transfer_length: data length transfer when there is a reply message | |
162 | * | |
163 | * Used for sending internal scsi commands to devices within this module. | |
164 | * Refer to _scsi_send_scsi_io(). | |
165 | */ | |
166 | struct _scsi_io_transfer { | |
167 | u16 handle; | |
168 | u8 is_raid; | |
169 | enum dma_data_direction dir; | |
170 | u32 data_length; | |
171 | dma_addr_t data_dma; | |
172 | u8 sense[SCSI_SENSE_BUFFERSIZE]; | |
173 | u32 lun; | |
174 | u8 cdb_length; | |
175 | u8 cdb[32]; | |
176 | u8 timeout; | |
7b936b02 KD |
177 | u8 VF_ID; |
178 | u8 VP_ID; | |
635374e7 EM |
179 | u8 valid_reply; |
180 | /* the following bits are only valid when 'valid_reply = 1' */ | |
181 | u32 sense_length; | |
182 | u16 ioc_status; | |
183 | u8 scsi_state; | |
184 | u8 scsi_status; | |
185 | u32 log_info; | |
186 | u32 transfer_length; | |
187 | }; | |
188 | ||
189 | /* | |
190 | * The pci device ids are defined in mpi/mpi2_cnfg.h. | |
191 | */ | |
192 | static struct pci_device_id scsih_pci_table[] = { | |
193 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004, | |
194 | PCI_ANY_ID, PCI_ANY_ID }, | |
195 | /* Falcon ~ 2008*/ | |
196 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008, | |
197 | PCI_ANY_ID, PCI_ANY_ID }, | |
198 | /* Liberator ~ 2108 */ | |
199 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1, | |
200 | PCI_ANY_ID, PCI_ANY_ID }, | |
201 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2, | |
202 | PCI_ANY_ID, PCI_ANY_ID }, | |
203 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3, | |
204 | PCI_ANY_ID, PCI_ANY_ID }, | |
db27136a | 205 | /* Meteor ~ 2116 */ |
635374e7 EM |
206 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1, |
207 | PCI_ANY_ID, PCI_ANY_ID }, | |
208 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2, | |
209 | PCI_ANY_ID, PCI_ANY_ID }, | |
db27136a KD |
210 | /* Thunderbolt ~ 2208 */ |
211 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1, | |
212 | PCI_ANY_ID, PCI_ANY_ID }, | |
213 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_2, | |
214 | PCI_ANY_ID, PCI_ANY_ID }, | |
215 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_3, | |
216 | PCI_ANY_ID, PCI_ANY_ID }, | |
217 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_4, | |
218 | PCI_ANY_ID, PCI_ANY_ID }, | |
219 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_5, | |
220 | PCI_ANY_ID, PCI_ANY_ID }, | |
221 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6, | |
222 | PCI_ANY_ID, PCI_ANY_ID }, | |
223 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_7, | |
224 | PCI_ANY_ID, PCI_ANY_ID }, | |
225 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_8, | |
226 | PCI_ANY_ID, PCI_ANY_ID }, | |
635374e7 EM |
227 | {0} /* Terminating entry */ |
228 | }; | |
229 | MODULE_DEVICE_TABLE(pci, scsih_pci_table); | |
230 | ||
231 | /** | |
d5d135b3 | 232 | * _scsih_set_debug_level - global setting of ioc->logging_level. |
635374e7 EM |
233 | * |
234 | * Note: The logging levels are defined in mpt2sas_debug.h. | |
235 | */ | |
236 | static int | |
d5d135b3 | 237 | _scsih_set_debug_level(const char *val, struct kernel_param *kp) |
635374e7 EM |
238 | { |
239 | int ret = param_set_int(val, kp); | |
240 | struct MPT2SAS_ADAPTER *ioc; | |
241 | ||
242 | if (ret) | |
243 | return ret; | |
244 | ||
245 | printk(KERN_INFO "setting logging_level(0x%08x)\n", logging_level); | |
ba33fadf | 246 | list_for_each_entry(ioc, &mpt2sas_ioc_list, list) |
635374e7 EM |
247 | ioc->logging_level = logging_level; |
248 | return 0; | |
249 | } | |
d5d135b3 | 250 | module_param_call(logging_level, _scsih_set_debug_level, param_get_int, |
635374e7 EM |
251 | &logging_level, 0644); |
252 | ||
253 | /** | |
254 | * _scsih_srch_boot_sas_address - search based on sas_address | |
255 | * @sas_address: sas address | |
256 | * @boot_device: boot device object from bios page 2 | |
257 | * | |
258 | * Returns 1 when there's a match, 0 means no match. | |
259 | */ | |
260 | static inline int | |
261 | _scsih_srch_boot_sas_address(u64 sas_address, | |
262 | Mpi2BootDeviceSasWwid_t *boot_device) | |
263 | { | |
264 | return (sas_address == le64_to_cpu(boot_device->SASAddress)) ? 1 : 0; | |
265 | } | |
266 | ||
267 | /** | |
268 | * _scsih_srch_boot_device_name - search based on device name | |
269 | * @device_name: device name specified in INDENTIFY fram | |
270 | * @boot_device: boot device object from bios page 2 | |
271 | * | |
272 | * Returns 1 when there's a match, 0 means no match. | |
273 | */ | |
274 | static inline int | |
275 | _scsih_srch_boot_device_name(u64 device_name, | |
276 | Mpi2BootDeviceDeviceName_t *boot_device) | |
277 | { | |
278 | return (device_name == le64_to_cpu(boot_device->DeviceName)) ? 1 : 0; | |
279 | } | |
280 | ||
281 | /** | |
282 | * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot | |
283 | * @enclosure_logical_id: enclosure logical id | |
284 | * @slot_number: slot number | |
285 | * @boot_device: boot device object from bios page 2 | |
286 | * | |
287 | * Returns 1 when there's a match, 0 means no match. | |
288 | */ | |
289 | static inline int | |
290 | _scsih_srch_boot_encl_slot(u64 enclosure_logical_id, u16 slot_number, | |
291 | Mpi2BootDeviceEnclosureSlot_t *boot_device) | |
292 | { | |
293 | return (enclosure_logical_id == le64_to_cpu(boot_device-> | |
294 | EnclosureLogicalID) && slot_number == le16_to_cpu(boot_device-> | |
295 | SlotNumber)) ? 1 : 0; | |
296 | } | |
297 | ||
298 | /** | |
299 | * _scsih_is_boot_device - search for matching boot device. | |
300 | * @sas_address: sas address | |
301 | * @device_name: device name specified in INDENTIFY fram | |
302 | * @enclosure_logical_id: enclosure logical id | |
303 | * @slot_number: slot number | |
304 | * @form: specifies boot device form | |
305 | * @boot_device: boot device object from bios page 2 | |
306 | * | |
307 | * Returns 1 when there's a match, 0 means no match. | |
308 | */ | |
309 | static int | |
310 | _scsih_is_boot_device(u64 sas_address, u64 device_name, | |
311 | u64 enclosure_logical_id, u16 slot, u8 form, | |
312 | Mpi2BiosPage2BootDevice_t *boot_device) | |
313 | { | |
314 | int rc = 0; | |
315 | ||
316 | switch (form) { | |
317 | case MPI2_BIOSPAGE2_FORM_SAS_WWID: | |
318 | if (!sas_address) | |
319 | break; | |
320 | rc = _scsih_srch_boot_sas_address( | |
321 | sas_address, &boot_device->SasWwid); | |
322 | break; | |
323 | case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT: | |
324 | if (!enclosure_logical_id) | |
325 | break; | |
326 | rc = _scsih_srch_boot_encl_slot( | |
327 | enclosure_logical_id, | |
328 | slot, &boot_device->EnclosureSlot); | |
329 | break; | |
330 | case MPI2_BIOSPAGE2_FORM_DEVICE_NAME: | |
331 | if (!device_name) | |
332 | break; | |
333 | rc = _scsih_srch_boot_device_name( | |
334 | device_name, &boot_device->DeviceName); | |
335 | break; | |
336 | case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED: | |
337 | break; | |
338 | } | |
339 | ||
340 | return rc; | |
341 | } | |
342 | ||
c5e039be KD |
343 | /** |
344 | * _scsih_get_sas_address - set the sas_address for given device handle | |
345 | * @handle: device handle | |
346 | * @sas_address: sas address | |
347 | * | |
348 | * Returns 0 success, non-zero when failure | |
349 | */ | |
350 | static int | |
351 | _scsih_get_sas_address(struct MPT2SAS_ADAPTER *ioc, u16 handle, | |
352 | u64 *sas_address) | |
353 | { | |
354 | Mpi2SasDevicePage0_t sas_device_pg0; | |
355 | Mpi2ConfigReply_t mpi_reply; | |
356 | u32 ioc_status; | |
357 | ||
358 | if (handle <= ioc->sas_hba.num_phys) { | |
359 | *sas_address = ioc->sas_hba.sas_address; | |
360 | return 0; | |
361 | } else | |
362 | *sas_address = 0; | |
363 | ||
364 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
365 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { | |
366 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
367 | ioc->name, __FILE__, __LINE__, __func__); | |
368 | return -ENXIO; | |
369 | } | |
370 | ||
371 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
372 | MPI2_IOCSTATUS_MASK; | |
373 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
374 | printk(MPT2SAS_ERR_FMT "handle(0x%04x), ioc_status(0x%04x)" | |
375 | "\nfailure at %s:%d/%s()!\n", ioc->name, handle, ioc_status, | |
376 | __FILE__, __LINE__, __func__); | |
377 | return -EIO; | |
378 | } | |
379 | ||
380 | *sas_address = le64_to_cpu(sas_device_pg0.SASAddress); | |
381 | return 0; | |
382 | } | |
383 | ||
635374e7 EM |
384 | /** |
385 | * _scsih_determine_boot_device - determine boot device. | |
386 | * @ioc: per adapter object | |
387 | * @device: either sas_device or raid_device object | |
388 | * @is_raid: [flag] 1 = raid object, 0 = sas object | |
389 | * | |
390 | * Determines whether this device should be first reported device to | |
391 | * to scsi-ml or sas transport, this purpose is for persistant boot device. | |
392 | * There are primary, alternate, and current entries in bios page 2. The order | |
393 | * priority is primary, alternate, then current. This routine saves | |
394 | * the corresponding device object and is_raid flag in the ioc object. | |
395 | * The saved data to be used later in _scsih_probe_boot_devices(). | |
396 | */ | |
397 | static void | |
398 | _scsih_determine_boot_device(struct MPT2SAS_ADAPTER *ioc, | |
399 | void *device, u8 is_raid) | |
400 | { | |
401 | struct _sas_device *sas_device; | |
402 | struct _raid_device *raid_device; | |
403 | u64 sas_address; | |
404 | u64 device_name; | |
405 | u64 enclosure_logical_id; | |
406 | u16 slot; | |
407 | ||
408 | /* only process this function when driver loads */ | |
409 | if (!ioc->wait_for_port_enable_to_complete) | |
410 | return; | |
411 | ||
412 | if (!is_raid) { | |
413 | sas_device = device; | |
414 | sas_address = sas_device->sas_address; | |
415 | device_name = sas_device->device_name; | |
416 | enclosure_logical_id = sas_device->enclosure_logical_id; | |
417 | slot = sas_device->slot; | |
418 | } else { | |
419 | raid_device = device; | |
420 | sas_address = raid_device->wwid; | |
421 | device_name = 0; | |
422 | enclosure_logical_id = 0; | |
423 | slot = 0; | |
424 | } | |
425 | ||
426 | if (!ioc->req_boot_device.device) { | |
427 | if (_scsih_is_boot_device(sas_address, device_name, | |
428 | enclosure_logical_id, slot, | |
429 | (ioc->bios_pg2.ReqBootDeviceForm & | |
430 | MPI2_BIOSPAGE2_FORM_MASK), | |
431 | &ioc->bios_pg2.RequestedBootDevice)) { | |
432 | dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT | |
433 | "%s: req_boot_device(0x%016llx)\n", | |
434 | ioc->name, __func__, | |
435 | (unsigned long long)sas_address)); | |
436 | ioc->req_boot_device.device = device; | |
437 | ioc->req_boot_device.is_raid = is_raid; | |
438 | } | |
439 | } | |
440 | ||
441 | if (!ioc->req_alt_boot_device.device) { | |
442 | if (_scsih_is_boot_device(sas_address, device_name, | |
443 | enclosure_logical_id, slot, | |
444 | (ioc->bios_pg2.ReqAltBootDeviceForm & | |
445 | MPI2_BIOSPAGE2_FORM_MASK), | |
446 | &ioc->bios_pg2.RequestedAltBootDevice)) { | |
447 | dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT | |
448 | "%s: req_alt_boot_device(0x%016llx)\n", | |
449 | ioc->name, __func__, | |
450 | (unsigned long long)sas_address)); | |
451 | ioc->req_alt_boot_device.device = device; | |
452 | ioc->req_alt_boot_device.is_raid = is_raid; | |
453 | } | |
454 | } | |
455 | ||
456 | if (!ioc->current_boot_device.device) { | |
457 | if (_scsih_is_boot_device(sas_address, device_name, | |
458 | enclosure_logical_id, slot, | |
459 | (ioc->bios_pg2.CurrentBootDeviceForm & | |
460 | MPI2_BIOSPAGE2_FORM_MASK), | |
461 | &ioc->bios_pg2.CurrentBootDevice)) { | |
462 | dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT | |
463 | "%s: current_boot_device(0x%016llx)\n", | |
464 | ioc->name, __func__, | |
465 | (unsigned long long)sas_address)); | |
466 | ioc->current_boot_device.device = device; | |
467 | ioc->current_boot_device.is_raid = is_raid; | |
468 | } | |
469 | } | |
470 | } | |
471 | ||
472 | /** | |
473 | * mpt2sas_scsih_sas_device_find_by_sas_address - sas device search | |
474 | * @ioc: per adapter object | |
475 | * @sas_address: sas address | |
476 | * Context: Calling function should acquire ioc->sas_device_lock | |
477 | * | |
478 | * This searches for sas_device based on sas_address, then return sas_device | |
479 | * object. | |
480 | */ | |
481 | struct _sas_device * | |
482 | mpt2sas_scsih_sas_device_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc, | |
483 | u64 sas_address) | |
484 | { | |
485 | struct _sas_device *sas_device, *r; | |
486 | ||
487 | r = NULL; | |
488 | /* check the sas_device_init_list */ | |
489 | list_for_each_entry(sas_device, &ioc->sas_device_init_list, | |
490 | list) { | |
491 | if (sas_device->sas_address != sas_address) | |
492 | continue; | |
493 | r = sas_device; | |
494 | goto out; | |
495 | } | |
496 | ||
497 | /* then check the sas_device_list */ | |
498 | list_for_each_entry(sas_device, &ioc->sas_device_list, list) { | |
499 | if (sas_device->sas_address != sas_address) | |
500 | continue; | |
501 | r = sas_device; | |
502 | goto out; | |
503 | } | |
504 | out: | |
505 | return r; | |
506 | } | |
507 | ||
508 | /** | |
509 | * _scsih_sas_device_find_by_handle - sas device search | |
510 | * @ioc: per adapter object | |
511 | * @handle: sas device handle (assigned by firmware) | |
512 | * Context: Calling function should acquire ioc->sas_device_lock | |
513 | * | |
514 | * This searches for sas_device based on sas_address, then return sas_device | |
515 | * object. | |
516 | */ | |
517 | static struct _sas_device * | |
518 | _scsih_sas_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
519 | { | |
520 | struct _sas_device *sas_device, *r; | |
521 | ||
522 | r = NULL; | |
523 | if (ioc->wait_for_port_enable_to_complete) { | |
524 | list_for_each_entry(sas_device, &ioc->sas_device_init_list, | |
525 | list) { | |
526 | if (sas_device->handle != handle) | |
527 | continue; | |
528 | r = sas_device; | |
529 | goto out; | |
530 | } | |
531 | } else { | |
532 | list_for_each_entry(sas_device, &ioc->sas_device_list, list) { | |
533 | if (sas_device->handle != handle) | |
534 | continue; | |
535 | r = sas_device; | |
536 | goto out; | |
537 | } | |
538 | } | |
539 | ||
540 | out: | |
541 | return r; | |
542 | } | |
543 | ||
544 | /** | |
545 | * _scsih_sas_device_remove - remove sas_device from list. | |
546 | * @ioc: per adapter object | |
547 | * @sas_device: the sas_device object | |
548 | * Context: This function will acquire ioc->sas_device_lock. | |
549 | * | |
550 | * Removing object and freeing associated memory from the ioc->sas_device_list. | |
551 | */ | |
552 | static void | |
553 | _scsih_sas_device_remove(struct MPT2SAS_ADAPTER *ioc, | |
554 | struct _sas_device *sas_device) | |
555 | { | |
556 | unsigned long flags; | |
557 | ||
558 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
559 | list_del(&sas_device->list); | |
560 | memset(sas_device, 0, sizeof(struct _sas_device)); | |
561 | kfree(sas_device); | |
562 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
563 | } | |
564 | ||
565 | /** | |
566 | * _scsih_sas_device_add - insert sas_device to the list. | |
567 | * @ioc: per adapter object | |
568 | * @sas_device: the sas_device object | |
569 | * Context: This function will acquire ioc->sas_device_lock. | |
570 | * | |
571 | * Adding new object to the ioc->sas_device_list. | |
572 | */ | |
573 | static void | |
574 | _scsih_sas_device_add(struct MPT2SAS_ADAPTER *ioc, | |
575 | struct _sas_device *sas_device) | |
576 | { | |
577 | unsigned long flags; | |
635374e7 EM |
578 | |
579 | dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle" | |
580 | "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, | |
581 | sas_device->handle, (unsigned long long)sas_device->sas_address)); | |
582 | ||
583 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
584 | list_add_tail(&sas_device->list, &ioc->sas_device_list); | |
585 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
586 | ||
c5e039be KD |
587 | if (!mpt2sas_transport_port_add(ioc, sas_device->handle, |
588 | sas_device->sas_address_parent)) | |
635374e7 | 589 | _scsih_sas_device_remove(ioc, sas_device); |
635374e7 EM |
590 | } |
591 | ||
592 | /** | |
593 | * _scsih_sas_device_init_add - insert sas_device to the list. | |
594 | * @ioc: per adapter object | |
595 | * @sas_device: the sas_device object | |
596 | * Context: This function will acquire ioc->sas_device_lock. | |
597 | * | |
598 | * Adding new object at driver load time to the ioc->sas_device_init_list. | |
599 | */ | |
600 | static void | |
601 | _scsih_sas_device_init_add(struct MPT2SAS_ADAPTER *ioc, | |
602 | struct _sas_device *sas_device) | |
603 | { | |
604 | unsigned long flags; | |
605 | ||
606 | dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle" | |
607 | "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, | |
608 | sas_device->handle, (unsigned long long)sas_device->sas_address)); | |
609 | ||
610 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
611 | list_add_tail(&sas_device->list, &ioc->sas_device_init_list); | |
612 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
613 | _scsih_determine_boot_device(ioc, sas_device, 0); | |
614 | } | |
615 | ||
635374e7 EM |
616 | /** |
617 | * _scsih_raid_device_find_by_id - raid device search | |
618 | * @ioc: per adapter object | |
619 | * @id: sas device target id | |
620 | * @channel: sas device channel | |
621 | * Context: Calling function should acquire ioc->raid_device_lock | |
622 | * | |
623 | * This searches for raid_device based on target id, then return raid_device | |
624 | * object. | |
625 | */ | |
626 | static struct _raid_device * | |
627 | _scsih_raid_device_find_by_id(struct MPT2SAS_ADAPTER *ioc, int id, int channel) | |
628 | { | |
629 | struct _raid_device *raid_device, *r; | |
630 | ||
631 | r = NULL; | |
632 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { | |
633 | if (raid_device->id == id && raid_device->channel == channel) { | |
634 | r = raid_device; | |
635 | goto out; | |
636 | } | |
637 | } | |
638 | ||
639 | out: | |
640 | return r; | |
641 | } | |
642 | ||
643 | /** | |
644 | * _scsih_raid_device_find_by_handle - raid device search | |
645 | * @ioc: per adapter object | |
646 | * @handle: sas device handle (assigned by firmware) | |
647 | * Context: Calling function should acquire ioc->raid_device_lock | |
648 | * | |
649 | * This searches for raid_device based on handle, then return raid_device | |
650 | * object. | |
651 | */ | |
652 | static struct _raid_device * | |
653 | _scsih_raid_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
654 | { | |
655 | struct _raid_device *raid_device, *r; | |
656 | ||
657 | r = NULL; | |
658 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { | |
659 | if (raid_device->handle != handle) | |
660 | continue; | |
661 | r = raid_device; | |
662 | goto out; | |
663 | } | |
664 | ||
665 | out: | |
666 | return r; | |
667 | } | |
668 | ||
669 | /** | |
670 | * _scsih_raid_device_find_by_wwid - raid device search | |
671 | * @ioc: per adapter object | |
672 | * @handle: sas device handle (assigned by firmware) | |
673 | * Context: Calling function should acquire ioc->raid_device_lock | |
674 | * | |
675 | * This searches for raid_device based on wwid, then return raid_device | |
676 | * object. | |
677 | */ | |
678 | static struct _raid_device * | |
679 | _scsih_raid_device_find_by_wwid(struct MPT2SAS_ADAPTER *ioc, u64 wwid) | |
680 | { | |
681 | struct _raid_device *raid_device, *r; | |
682 | ||
683 | r = NULL; | |
684 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { | |
685 | if (raid_device->wwid != wwid) | |
686 | continue; | |
687 | r = raid_device; | |
688 | goto out; | |
689 | } | |
690 | ||
691 | out: | |
692 | return r; | |
693 | } | |
694 | ||
695 | /** | |
696 | * _scsih_raid_device_add - add raid_device object | |
697 | * @ioc: per adapter object | |
698 | * @raid_device: raid_device object | |
699 | * | |
700 | * This is added to the raid_device_list link list. | |
701 | */ | |
702 | static void | |
703 | _scsih_raid_device_add(struct MPT2SAS_ADAPTER *ioc, | |
704 | struct _raid_device *raid_device) | |
705 | { | |
706 | unsigned long flags; | |
707 | ||
708 | dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle" | |
709 | "(0x%04x), wwid(0x%016llx)\n", ioc->name, __func__, | |
710 | raid_device->handle, (unsigned long long)raid_device->wwid)); | |
711 | ||
712 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
713 | list_add_tail(&raid_device->list, &ioc->raid_device_list); | |
714 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
715 | } | |
716 | ||
717 | /** | |
718 | * _scsih_raid_device_remove - delete raid_device object | |
719 | * @ioc: per adapter object | |
720 | * @raid_device: raid_device object | |
721 | * | |
722 | * This is removed from the raid_device_list link list. | |
723 | */ | |
724 | static void | |
725 | _scsih_raid_device_remove(struct MPT2SAS_ADAPTER *ioc, | |
726 | struct _raid_device *raid_device) | |
727 | { | |
728 | unsigned long flags; | |
729 | ||
730 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
731 | list_del(&raid_device->list); | |
732 | memset(raid_device, 0, sizeof(struct _raid_device)); | |
733 | kfree(raid_device); | |
734 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
735 | } | |
736 | ||
c5e039be KD |
737 | /** |
738 | * mpt2sas_scsih_expander_find_by_handle - expander device search | |
739 | * @ioc: per adapter object | |
740 | * @handle: expander handle (assigned by firmware) | |
741 | * Context: Calling function should acquire ioc->sas_device_lock | |
742 | * | |
743 | * This searches for expander device based on handle, then returns the | |
744 | * sas_node object. | |
745 | */ | |
746 | struct _sas_node * | |
747 | mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
748 | { | |
749 | struct _sas_node *sas_expander, *r; | |
750 | ||
751 | r = NULL; | |
752 | list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { | |
753 | if (sas_expander->handle != handle) | |
754 | continue; | |
755 | r = sas_expander; | |
756 | goto out; | |
757 | } | |
758 | out: | |
759 | return r; | |
760 | } | |
761 | ||
635374e7 EM |
762 | /** |
763 | * mpt2sas_scsih_expander_find_by_sas_address - expander device search | |
764 | * @ioc: per adapter object | |
765 | * @sas_address: sas address | |
766 | * Context: Calling function should acquire ioc->sas_node_lock. | |
767 | * | |
768 | * This searches for expander device based on sas_address, then returns the | |
769 | * sas_node object. | |
770 | */ | |
771 | struct _sas_node * | |
772 | mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc, | |
773 | u64 sas_address) | |
774 | { | |
775 | struct _sas_node *sas_expander, *r; | |
776 | ||
777 | r = NULL; | |
778 | list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { | |
779 | if (sas_expander->sas_address != sas_address) | |
780 | continue; | |
781 | r = sas_expander; | |
782 | goto out; | |
783 | } | |
784 | out: | |
785 | return r; | |
786 | } | |
787 | ||
788 | /** | |
789 | * _scsih_expander_node_add - insert expander device to the list. | |
790 | * @ioc: per adapter object | |
791 | * @sas_expander: the sas_device object | |
792 | * Context: This function will acquire ioc->sas_node_lock. | |
793 | * | |
794 | * Adding new object to the ioc->sas_expander_list. | |
795 | * | |
796 | * Return nothing. | |
797 | */ | |
798 | static void | |
799 | _scsih_expander_node_add(struct MPT2SAS_ADAPTER *ioc, | |
800 | struct _sas_node *sas_expander) | |
801 | { | |
802 | unsigned long flags; | |
803 | ||
804 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
805 | list_add_tail(&sas_expander->list, &ioc->sas_expander_list); | |
806 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
807 | } | |
808 | ||
809 | /** | |
810 | * _scsih_is_end_device - determines if device is an end device | |
811 | * @device_info: bitfield providing information about the device. | |
812 | * Context: none | |
813 | * | |
814 | * Returns 1 if end device. | |
815 | */ | |
816 | static int | |
817 | _scsih_is_end_device(u32 device_info) | |
818 | { | |
819 | if (device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE && | |
820 | ((device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) | | |
821 | (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) | | |
822 | (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE))) | |
823 | return 1; | |
824 | else | |
825 | return 0; | |
826 | } | |
827 | ||
828 | /** | |
595bb0bd | 829 | * mptscsih_get_scsi_lookup - returns scmd entry |
635374e7 EM |
830 | * @ioc: per adapter object |
831 | * @smid: system request message index | |
635374e7 EM |
832 | * |
833 | * Returns the smid stored scmd pointer. | |
834 | */ | |
835 | static struct scsi_cmnd * | |
836 | _scsih_scsi_lookup_get(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
837 | { | |
595bb0bd | 838 | return ioc->scsi_lookup[smid - 1].scmd; |
635374e7 EM |
839 | } |
840 | ||
841 | /** | |
842 | * _scsih_scsi_lookup_find_by_scmd - scmd lookup | |
843 | * @ioc: per adapter object | |
844 | * @smid: system request message index | |
845 | * @scmd: pointer to scsi command object | |
846 | * Context: This function will acquire ioc->scsi_lookup_lock. | |
847 | * | |
848 | * This will search for a scmd pointer in the scsi_lookup array, | |
849 | * returning the revelent smid. A returned value of zero means invalid. | |
850 | */ | |
851 | static u16 | |
852 | _scsih_scsi_lookup_find_by_scmd(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd | |
853 | *scmd) | |
854 | { | |
855 | u16 smid; | |
856 | unsigned long flags; | |
857 | int i; | |
858 | ||
859 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
860 | smid = 0; | |
595bb0bd | 861 | for (i = 0; i < ioc->scsiio_depth; i++) { |
635374e7 | 862 | if (ioc->scsi_lookup[i].scmd == scmd) { |
595bb0bd | 863 | smid = ioc->scsi_lookup[i].smid; |
635374e7 EM |
864 | goto out; |
865 | } | |
866 | } | |
867 | out: | |
868 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
869 | return smid; | |
870 | } | |
871 | ||
872 | /** | |
873 | * _scsih_scsi_lookup_find_by_target - search for matching channel:id | |
874 | * @ioc: per adapter object | |
875 | * @id: target id | |
876 | * @channel: channel | |
877 | * Context: This function will acquire ioc->scsi_lookup_lock. | |
878 | * | |
879 | * This will search for a matching channel:id in the scsi_lookup array, | |
880 | * returning 1 if found. | |
881 | */ | |
882 | static u8 | |
883 | _scsih_scsi_lookup_find_by_target(struct MPT2SAS_ADAPTER *ioc, int id, | |
884 | int channel) | |
885 | { | |
886 | u8 found; | |
887 | unsigned long flags; | |
888 | int i; | |
889 | ||
890 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
891 | found = 0; | |
595bb0bd | 892 | for (i = 0 ; i < ioc->scsiio_depth; i++) { |
635374e7 EM |
893 | if (ioc->scsi_lookup[i].scmd && |
894 | (ioc->scsi_lookup[i].scmd->device->id == id && | |
895 | ioc->scsi_lookup[i].scmd->device->channel == channel)) { | |
896 | found = 1; | |
897 | goto out; | |
898 | } | |
899 | } | |
900 | out: | |
901 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
902 | return found; | |
903 | } | |
904 | ||
993e0da7 EM |
905 | /** |
906 | * _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun | |
907 | * @ioc: per adapter object | |
908 | * @id: target id | |
909 | * @lun: lun number | |
910 | * @channel: channel | |
911 | * Context: This function will acquire ioc->scsi_lookup_lock. | |
912 | * | |
913 | * This will search for a matching channel:id:lun in the scsi_lookup array, | |
914 | * returning 1 if found. | |
915 | */ | |
916 | static u8 | |
917 | _scsih_scsi_lookup_find_by_lun(struct MPT2SAS_ADAPTER *ioc, int id, | |
918 | unsigned int lun, int channel) | |
919 | { | |
920 | u8 found; | |
921 | unsigned long flags; | |
922 | int i; | |
923 | ||
924 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
925 | found = 0; | |
595bb0bd | 926 | for (i = 0 ; i < ioc->scsiio_depth; i++) { |
993e0da7 EM |
927 | if (ioc->scsi_lookup[i].scmd && |
928 | (ioc->scsi_lookup[i].scmd->device->id == id && | |
929 | ioc->scsi_lookup[i].scmd->device->channel == channel && | |
930 | ioc->scsi_lookup[i].scmd->device->lun == lun)) { | |
931 | found = 1; | |
932 | goto out; | |
933 | } | |
934 | } | |
935 | out: | |
936 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
937 | return found; | |
938 | } | |
939 | ||
635374e7 EM |
940 | /** |
941 | * _scsih_get_chain_buffer_dma - obtain block of chains (dma address) | |
942 | * @ioc: per adapter object | |
943 | * @smid: system request message index | |
944 | * | |
945 | * Returns phys pointer to chain buffer. | |
946 | */ | |
947 | static dma_addr_t | |
948 | _scsih_get_chain_buffer_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
949 | { | |
950 | return ioc->chain_dma + ((smid - 1) * (ioc->request_sz * | |
951 | ioc->chains_needed_per_io)); | |
952 | } | |
953 | ||
954 | /** | |
955 | * _scsih_get_chain_buffer - obtain block of chains assigned to a mf request | |
956 | * @ioc: per adapter object | |
957 | * @smid: system request message index | |
958 | * | |
959 | * Returns virt pointer to chain buffer. | |
960 | */ | |
961 | static void * | |
962 | _scsih_get_chain_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
963 | { | |
964 | return (void *)(ioc->chain + ((smid - 1) * (ioc->request_sz * | |
965 | ioc->chains_needed_per_io))); | |
966 | } | |
967 | ||
968 | /** | |
969 | * _scsih_build_scatter_gather - main sg creation routine | |
970 | * @ioc: per adapter object | |
971 | * @scmd: scsi command | |
972 | * @smid: system request message index | |
973 | * Context: none. | |
974 | * | |
975 | * The main routine that builds scatter gather table from a given | |
976 | * scsi request sent via the .queuecommand main handler. | |
977 | * | |
978 | * Returns 0 success, anything else error | |
979 | */ | |
980 | static int | |
981 | _scsih_build_scatter_gather(struct MPT2SAS_ADAPTER *ioc, | |
982 | struct scsi_cmnd *scmd, u16 smid) | |
983 | { | |
984 | Mpi2SCSIIORequest_t *mpi_request; | |
985 | dma_addr_t chain_dma; | |
986 | struct scatterlist *sg_scmd; | |
987 | void *sg_local, *chain; | |
988 | u32 chain_offset; | |
989 | u32 chain_length; | |
990 | u32 chain_flags; | |
991 | u32 sges_left; | |
992 | u32 sges_in_segment; | |
993 | u32 sgl_flags; | |
994 | u32 sgl_flags_last_element; | |
995 | u32 sgl_flags_end_buffer; | |
996 | ||
997 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
998 | ||
999 | /* init scatter gather flags */ | |
1000 | sgl_flags = MPI2_SGE_FLAGS_SIMPLE_ELEMENT; | |
1001 | if (scmd->sc_data_direction == DMA_TO_DEVICE) | |
1002 | sgl_flags |= MPI2_SGE_FLAGS_HOST_TO_IOC; | |
1003 | sgl_flags_last_element = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT) | |
1004 | << MPI2_SGE_FLAGS_SHIFT; | |
1005 | sgl_flags_end_buffer = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT | | |
1006 | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST) | |
1007 | << MPI2_SGE_FLAGS_SHIFT; | |
1008 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
1009 | ||
1010 | sg_scmd = scsi_sglist(scmd); | |
1011 | sges_left = scsi_dma_map(scmd); | |
1012 | if (!sges_left) { | |
1013 | sdev_printk(KERN_ERR, scmd->device, "pci_map_sg" | |
1014 | " failed: request for %d bytes!\n", scsi_bufflen(scmd)); | |
1015 | return -ENOMEM; | |
1016 | } | |
1017 | ||
1018 | sg_local = &mpi_request->SGL; | |
1019 | sges_in_segment = ioc->max_sges_in_main_message; | |
1020 | if (sges_left <= sges_in_segment) | |
1021 | goto fill_in_last_segment; | |
1022 | ||
1023 | mpi_request->ChainOffset = (offsetof(Mpi2SCSIIORequest_t, SGL) + | |
1024 | (sges_in_segment * ioc->sge_size))/4; | |
1025 | ||
1026 | /* fill in main message segment when there is a chain following */ | |
1027 | while (sges_in_segment) { | |
1028 | if (sges_in_segment == 1) | |
1029 | ioc->base_add_sg_single(sg_local, | |
1030 | sgl_flags_last_element | sg_dma_len(sg_scmd), | |
1031 | sg_dma_address(sg_scmd)); | |
1032 | else | |
1033 | ioc->base_add_sg_single(sg_local, sgl_flags | | |
1034 | sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); | |
1035 | sg_scmd = sg_next(sg_scmd); | |
1036 | sg_local += ioc->sge_size; | |
1037 | sges_left--; | |
1038 | sges_in_segment--; | |
1039 | } | |
1040 | ||
1041 | /* initializing the chain flags and pointers */ | |
1042 | chain_flags = MPI2_SGE_FLAGS_CHAIN_ELEMENT << MPI2_SGE_FLAGS_SHIFT; | |
1043 | chain = _scsih_get_chain_buffer(ioc, smid); | |
1044 | chain_dma = _scsih_get_chain_buffer_dma(ioc, smid); | |
1045 | do { | |
1046 | sges_in_segment = (sges_left <= | |
1047 | ioc->max_sges_in_chain_message) ? sges_left : | |
1048 | ioc->max_sges_in_chain_message; | |
1049 | chain_offset = (sges_left == sges_in_segment) ? | |
1050 | 0 : (sges_in_segment * ioc->sge_size)/4; | |
1051 | chain_length = sges_in_segment * ioc->sge_size; | |
1052 | if (chain_offset) { | |
1053 | chain_offset = chain_offset << | |
1054 | MPI2_SGE_CHAIN_OFFSET_SHIFT; | |
1055 | chain_length += ioc->sge_size; | |
1056 | } | |
1057 | ioc->base_add_sg_single(sg_local, chain_flags | chain_offset | | |
1058 | chain_length, chain_dma); | |
1059 | sg_local = chain; | |
1060 | if (!chain_offset) | |
1061 | goto fill_in_last_segment; | |
1062 | ||
1063 | /* fill in chain segments */ | |
1064 | while (sges_in_segment) { | |
1065 | if (sges_in_segment == 1) | |
1066 | ioc->base_add_sg_single(sg_local, | |
1067 | sgl_flags_last_element | | |
1068 | sg_dma_len(sg_scmd), | |
1069 | sg_dma_address(sg_scmd)); | |
1070 | else | |
1071 | ioc->base_add_sg_single(sg_local, sgl_flags | | |
1072 | sg_dma_len(sg_scmd), | |
1073 | sg_dma_address(sg_scmd)); | |
1074 | sg_scmd = sg_next(sg_scmd); | |
1075 | sg_local += ioc->sge_size; | |
1076 | sges_left--; | |
1077 | sges_in_segment--; | |
1078 | } | |
1079 | ||
1080 | chain_dma += ioc->request_sz; | |
1081 | chain += ioc->request_sz; | |
1082 | } while (1); | |
1083 | ||
1084 | ||
1085 | fill_in_last_segment: | |
1086 | ||
1087 | /* fill the last segment */ | |
1088 | while (sges_left) { | |
1089 | if (sges_left == 1) | |
1090 | ioc->base_add_sg_single(sg_local, sgl_flags_end_buffer | | |
1091 | sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); | |
1092 | else | |
1093 | ioc->base_add_sg_single(sg_local, sgl_flags | | |
1094 | sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); | |
1095 | sg_scmd = sg_next(sg_scmd); | |
1096 | sg_local += ioc->sge_size; | |
1097 | sges_left--; | |
1098 | } | |
1099 | ||
1100 | return 0; | |
1101 | } | |
1102 | ||
1103 | /** | |
d5d135b3 | 1104 | * _scsih_change_queue_depth - setting device queue depth |
635374e7 EM |
1105 | * @sdev: scsi device struct |
1106 | * @qdepth: requested queue depth | |
e881a172 | 1107 | * @reason: calling context |
635374e7 EM |
1108 | * |
1109 | * Returns queue depth. | |
1110 | */ | |
1111 | static int | |
e881a172 | 1112 | _scsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason) |
635374e7 EM |
1113 | { |
1114 | struct Scsi_Host *shost = sdev->host; | |
1115 | int max_depth; | |
1116 | int tag_type; | |
e0077d60 KD |
1117 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); |
1118 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
1119 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
1120 | struct _sas_device *sas_device; | |
1121 | unsigned long flags; | |
635374e7 | 1122 | |
e881a172 MC |
1123 | if (reason != SCSI_QDEPTH_DEFAULT) |
1124 | return -EOPNOTSUPP; | |
1125 | ||
635374e7 | 1126 | max_depth = shost->can_queue; |
e0077d60 KD |
1127 | |
1128 | /* limit max device queue for SATA to 32 */ | |
1129 | sas_device_priv_data = sdev->hostdata; | |
1130 | if (!sas_device_priv_data) | |
1131 | goto not_sata; | |
1132 | sas_target_priv_data = sas_device_priv_data->sas_target; | |
1133 | if (!sas_target_priv_data) | |
1134 | goto not_sata; | |
1135 | if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) | |
1136 | goto not_sata; | |
1137 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
1138 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
1139 | sas_device_priv_data->sas_target->sas_address); | |
1140 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
1141 | if (sas_device && sas_device->device_info & | |
1142 | MPI2_SAS_DEVICE_INFO_SATA_DEVICE) | |
1143 | max_depth = MPT2SAS_SATA_QUEUE_DEPTH; | |
1144 | ||
1145 | not_sata: | |
1146 | ||
635374e7 EM |
1147 | if (!sdev->tagged_supported) |
1148 | max_depth = 1; | |
1149 | if (qdepth > max_depth) | |
1150 | qdepth = max_depth; | |
1151 | tag_type = (qdepth == 1) ? 0 : MSG_SIMPLE_TAG; | |
1152 | scsi_adjust_queue_depth(sdev, tag_type, qdepth); | |
1153 | ||
1154 | if (sdev->inquiry_len > 7) | |
1155 | sdev_printk(KERN_INFO, sdev, "qdepth(%d), tagged(%d), " | |
1156 | "simple(%d), ordered(%d), scsi_level(%d), cmd_que(%d)\n", | |
1157 | sdev->queue_depth, sdev->tagged_supported, sdev->simple_tags, | |
1158 | sdev->ordered_tags, sdev->scsi_level, | |
1159 | (sdev->inquiry[7] & 2) >> 1); | |
1160 | ||
1161 | return sdev->queue_depth; | |
1162 | } | |
1163 | ||
1164 | /** | |
595bb0bd | 1165 | * _scsih_change_queue_type - changing device queue tag type |
635374e7 EM |
1166 | * @sdev: scsi device struct |
1167 | * @tag_type: requested tag type | |
1168 | * | |
1169 | * Returns queue tag type. | |
1170 | */ | |
1171 | static int | |
d5d135b3 | 1172 | _scsih_change_queue_type(struct scsi_device *sdev, int tag_type) |
635374e7 EM |
1173 | { |
1174 | if (sdev->tagged_supported) { | |
1175 | scsi_set_tag_type(sdev, tag_type); | |
1176 | if (tag_type) | |
1177 | scsi_activate_tcq(sdev, sdev->queue_depth); | |
1178 | else | |
1179 | scsi_deactivate_tcq(sdev, sdev->queue_depth); | |
1180 | } else | |
1181 | tag_type = 0; | |
1182 | ||
1183 | return tag_type; | |
1184 | } | |
1185 | ||
1186 | /** | |
d5d135b3 | 1187 | * _scsih_target_alloc - target add routine |
635374e7 EM |
1188 | * @starget: scsi target struct |
1189 | * | |
1190 | * Returns 0 if ok. Any other return is assumed to be an error and | |
1191 | * the device is ignored. | |
1192 | */ | |
1193 | static int | |
d5d135b3 | 1194 | _scsih_target_alloc(struct scsi_target *starget) |
635374e7 EM |
1195 | { |
1196 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
1197 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
1198 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
1199 | struct _sas_device *sas_device; | |
1200 | struct _raid_device *raid_device; | |
1201 | unsigned long flags; | |
1202 | struct sas_rphy *rphy; | |
1203 | ||
1204 | sas_target_priv_data = kzalloc(sizeof(struct scsi_target), GFP_KERNEL); | |
1205 | if (!sas_target_priv_data) | |
1206 | return -ENOMEM; | |
1207 | ||
1208 | starget->hostdata = sas_target_priv_data; | |
1209 | sas_target_priv_data->starget = starget; | |
1210 | sas_target_priv_data->handle = MPT2SAS_INVALID_DEVICE_HANDLE; | |
1211 | ||
1212 | /* RAID volumes */ | |
1213 | if (starget->channel == RAID_CHANNEL) { | |
1214 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1215 | raid_device = _scsih_raid_device_find_by_id(ioc, starget->id, | |
1216 | starget->channel); | |
1217 | if (raid_device) { | |
1218 | sas_target_priv_data->handle = raid_device->handle; | |
1219 | sas_target_priv_data->sas_address = raid_device->wwid; | |
1220 | sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME; | |
1221 | raid_device->starget = starget; | |
1222 | } | |
1223 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
1224 | return 0; | |
1225 | } | |
1226 | ||
1227 | /* sas/sata devices */ | |
1228 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
1229 | rphy = dev_to_rphy(starget->dev.parent); | |
1230 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
1231 | rphy->identify.sas_address); | |
1232 | ||
1233 | if (sas_device) { | |
1234 | sas_target_priv_data->handle = sas_device->handle; | |
1235 | sas_target_priv_data->sas_address = sas_device->sas_address; | |
1236 | sas_device->starget = starget; | |
1237 | sas_device->id = starget->id; | |
1238 | sas_device->channel = starget->channel; | |
1239 | if (sas_device->hidden_raid_component) | |
1240 | sas_target_priv_data->flags |= | |
1241 | MPT_TARGET_FLAGS_RAID_COMPONENT; | |
1242 | } | |
1243 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
1244 | ||
1245 | return 0; | |
1246 | } | |
1247 | ||
1248 | /** | |
d5d135b3 | 1249 | * _scsih_target_destroy - target destroy routine |
635374e7 EM |
1250 | * @starget: scsi target struct |
1251 | * | |
1252 | * Returns nothing. | |
1253 | */ | |
1254 | static void | |
d5d135b3 | 1255 | _scsih_target_destroy(struct scsi_target *starget) |
635374e7 EM |
1256 | { |
1257 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
1258 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
1259 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
1260 | struct _sas_device *sas_device; | |
1261 | struct _raid_device *raid_device; | |
1262 | unsigned long flags; | |
1263 | struct sas_rphy *rphy; | |
1264 | ||
1265 | sas_target_priv_data = starget->hostdata; | |
1266 | if (!sas_target_priv_data) | |
1267 | return; | |
1268 | ||
1269 | if (starget->channel == RAID_CHANNEL) { | |
1270 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1271 | raid_device = _scsih_raid_device_find_by_id(ioc, starget->id, | |
1272 | starget->channel); | |
1273 | if (raid_device) { | |
1274 | raid_device->starget = NULL; | |
1275 | raid_device->sdev = NULL; | |
1276 | } | |
1277 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
1278 | goto out; | |
1279 | } | |
1280 | ||
1281 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
1282 | rphy = dev_to_rphy(starget->dev.parent); | |
1283 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
1284 | rphy->identify.sas_address); | |
8901cbb4 EM |
1285 | if (sas_device && (sas_device->starget == starget) && |
1286 | (sas_device->id == starget->id) && | |
1287 | (sas_device->channel == starget->channel)) | |
635374e7 EM |
1288 | sas_device->starget = NULL; |
1289 | ||
1290 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
1291 | ||
1292 | out: | |
1293 | kfree(sas_target_priv_data); | |
1294 | starget->hostdata = NULL; | |
1295 | } | |
1296 | ||
1297 | /** | |
d5d135b3 | 1298 | * _scsih_slave_alloc - device add routine |
635374e7 EM |
1299 | * @sdev: scsi device struct |
1300 | * | |
1301 | * Returns 0 if ok. Any other return is assumed to be an error and | |
1302 | * the device is ignored. | |
1303 | */ | |
1304 | static int | |
d5d135b3 | 1305 | _scsih_slave_alloc(struct scsi_device *sdev) |
635374e7 EM |
1306 | { |
1307 | struct Scsi_Host *shost; | |
1308 | struct MPT2SAS_ADAPTER *ioc; | |
1309 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
1310 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
1311 | struct scsi_target *starget; | |
1312 | struct _raid_device *raid_device; | |
635374e7 EM |
1313 | unsigned long flags; |
1314 | ||
1315 | sas_device_priv_data = kzalloc(sizeof(struct scsi_device), GFP_KERNEL); | |
1316 | if (!sas_device_priv_data) | |
1317 | return -ENOMEM; | |
1318 | ||
1319 | sas_device_priv_data->lun = sdev->lun; | |
1320 | sas_device_priv_data->flags = MPT_DEVICE_FLAGS_INIT; | |
1321 | ||
1322 | starget = scsi_target(sdev); | |
1323 | sas_target_priv_data = starget->hostdata; | |
1324 | sas_target_priv_data->num_luns++; | |
1325 | sas_device_priv_data->sas_target = sas_target_priv_data; | |
1326 | sdev->hostdata = sas_device_priv_data; | |
1327 | if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT)) | |
1328 | sdev->no_uld_attach = 1; | |
1329 | ||
1330 | shost = dev_to_shost(&starget->dev); | |
1331 | ioc = shost_priv(shost); | |
1332 | if (starget->channel == RAID_CHANNEL) { | |
1333 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1334 | raid_device = _scsih_raid_device_find_by_id(ioc, | |
1335 | starget->id, starget->channel); | |
1336 | if (raid_device) | |
1337 | raid_device->sdev = sdev; /* raid is single lun */ | |
1338 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
635374e7 EM |
1339 | } |
1340 | ||
635374e7 EM |
1341 | return 0; |
1342 | } | |
1343 | ||
1344 | /** | |
d5d135b3 | 1345 | * _scsih_slave_destroy - device destroy routine |
635374e7 EM |
1346 | * @sdev: scsi device struct |
1347 | * | |
1348 | * Returns nothing. | |
1349 | */ | |
1350 | static void | |
d5d135b3 | 1351 | _scsih_slave_destroy(struct scsi_device *sdev) |
635374e7 EM |
1352 | { |
1353 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
1354 | struct scsi_target *starget; | |
1355 | ||
1356 | if (!sdev->hostdata) | |
1357 | return; | |
1358 | ||
1359 | starget = scsi_target(sdev); | |
1360 | sas_target_priv_data = starget->hostdata; | |
1361 | sas_target_priv_data->num_luns--; | |
1362 | kfree(sdev->hostdata); | |
1363 | sdev->hostdata = NULL; | |
1364 | } | |
1365 | ||
1366 | /** | |
d5d135b3 | 1367 | * _scsih_display_sata_capabilities - sata capabilities |
635374e7 EM |
1368 | * @ioc: per adapter object |
1369 | * @sas_device: the sas_device object | |
1370 | * @sdev: scsi device struct | |
1371 | */ | |
1372 | static void | |
d5d135b3 | 1373 | _scsih_display_sata_capabilities(struct MPT2SAS_ADAPTER *ioc, |
635374e7 EM |
1374 | struct _sas_device *sas_device, struct scsi_device *sdev) |
1375 | { | |
1376 | Mpi2ConfigReply_t mpi_reply; | |
1377 | Mpi2SasDevicePage0_t sas_device_pg0; | |
1378 | u32 ioc_status; | |
1379 | u16 flags; | |
1380 | u32 device_info; | |
1381 | ||
1382 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
1383 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, sas_device->handle))) { | |
1384 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1385 | ioc->name, __FILE__, __LINE__, __func__); | |
1386 | return; | |
1387 | } | |
1388 | ||
1389 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
1390 | MPI2_IOCSTATUS_MASK; | |
1391 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
1392 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1393 | ioc->name, __FILE__, __LINE__, __func__); | |
1394 | return; | |
1395 | } | |
1396 | ||
1397 | flags = le16_to_cpu(sas_device_pg0.Flags); | |
1398 | device_info = le16_to_cpu(sas_device_pg0.DeviceInfo); | |
1399 | ||
1400 | sdev_printk(KERN_INFO, sdev, | |
1401 | "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), " | |
1402 | "sw_preserve(%s)\n", | |
1403 | (device_info & MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? "y" : "n", | |
1404 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED) ? "y" : "n", | |
1405 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY) ? "y" : | |
1406 | "n", | |
1407 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED) ? "y" : "n", | |
1408 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED) ? "y" : "n", | |
1409 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE) ? "y" : "n"); | |
1410 | } | |
1411 | ||
f7c95ef0 KD |
1412 | /** |
1413 | * _scsih_is_raid - return boolean indicating device is raid volume | |
1414 | * @dev the device struct object | |
1415 | */ | |
1416 | static int | |
1417 | _scsih_is_raid(struct device *dev) | |
1418 | { | |
1419 | struct scsi_device *sdev = to_scsi_device(dev); | |
1420 | ||
1421 | return (sdev->channel == RAID_CHANNEL) ? 1 : 0; | |
1422 | } | |
1423 | ||
1424 | /** | |
1425 | * _scsih_get_resync - get raid volume resync percent complete | |
1426 | * @dev the device struct object | |
1427 | */ | |
1428 | static void | |
1429 | _scsih_get_resync(struct device *dev) | |
1430 | { | |
1431 | struct scsi_device *sdev = to_scsi_device(dev); | |
1432 | struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host); | |
1433 | static struct _raid_device *raid_device; | |
1434 | unsigned long flags; | |
1435 | Mpi2RaidVolPage0_t vol_pg0; | |
1436 | Mpi2ConfigReply_t mpi_reply; | |
1437 | u32 volume_status_flags; | |
1438 | u8 percent_complete = 0; | |
1439 | ||
1440 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1441 | raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id, | |
1442 | sdev->channel); | |
1443 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
1444 | ||
1445 | if (!raid_device) | |
1446 | goto out; | |
1447 | ||
1448 | if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0, | |
1449 | MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, | |
1450 | sizeof(Mpi2RaidVolPage0_t))) { | |
1451 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1452 | ioc->name, __FILE__, __LINE__, __func__); | |
1453 | goto out; | |
1454 | } | |
1455 | ||
1456 | volume_status_flags = le32_to_cpu(vol_pg0.VolumeStatusFlags); | |
1457 | if (volume_status_flags & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) | |
1458 | percent_complete = raid_device->percent_complete; | |
1459 | out: | |
1460 | raid_set_resync(mpt2sas_raid_template, dev, percent_complete); | |
1461 | } | |
1462 | ||
1463 | /** | |
1464 | * _scsih_get_state - get raid volume level | |
1465 | * @dev the device struct object | |
1466 | */ | |
1467 | static void | |
1468 | _scsih_get_state(struct device *dev) | |
1469 | { | |
1470 | struct scsi_device *sdev = to_scsi_device(dev); | |
1471 | struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host); | |
1472 | static struct _raid_device *raid_device; | |
1473 | unsigned long flags; | |
1474 | Mpi2RaidVolPage0_t vol_pg0; | |
1475 | Mpi2ConfigReply_t mpi_reply; | |
1476 | u32 volstate; | |
1477 | enum raid_state state = RAID_STATE_UNKNOWN; | |
1478 | ||
1479 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1480 | raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id, | |
1481 | sdev->channel); | |
1482 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
1483 | ||
1484 | if (!raid_device) | |
1485 | goto out; | |
1486 | ||
1487 | if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0, | |
1488 | MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, | |
1489 | sizeof(Mpi2RaidVolPage0_t))) { | |
1490 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1491 | ioc->name, __FILE__, __LINE__, __func__); | |
1492 | goto out; | |
1493 | } | |
1494 | ||
1495 | volstate = le32_to_cpu(vol_pg0.VolumeStatusFlags); | |
1496 | if (volstate & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) { | |
1497 | state = RAID_STATE_RESYNCING; | |
1498 | goto out; | |
1499 | } | |
1500 | ||
1501 | switch (vol_pg0.VolumeState) { | |
1502 | case MPI2_RAID_VOL_STATE_OPTIMAL: | |
1503 | case MPI2_RAID_VOL_STATE_ONLINE: | |
1504 | state = RAID_STATE_ACTIVE; | |
1505 | break; | |
1506 | case MPI2_RAID_VOL_STATE_DEGRADED: | |
1507 | state = RAID_STATE_DEGRADED; | |
1508 | break; | |
1509 | case MPI2_RAID_VOL_STATE_FAILED: | |
1510 | case MPI2_RAID_VOL_STATE_MISSING: | |
1511 | state = RAID_STATE_OFFLINE; | |
1512 | break; | |
1513 | } | |
1514 | out: | |
1515 | raid_set_state(mpt2sas_raid_template, dev, state); | |
1516 | } | |
1517 | ||
1518 | /** | |
1519 | * _scsih_set_level - set raid level | |
1520 | * @sdev: scsi device struct | |
1521 | * @raid_device: raid_device object | |
1522 | */ | |
1523 | static void | |
1524 | _scsih_set_level(struct scsi_device *sdev, struct _raid_device *raid_device) | |
1525 | { | |
1526 | enum raid_level level = RAID_LEVEL_UNKNOWN; | |
1527 | ||
1528 | switch (raid_device->volume_type) { | |
1529 | case MPI2_RAID_VOL_TYPE_RAID0: | |
1530 | level = RAID_LEVEL_0; | |
1531 | break; | |
1532 | case MPI2_RAID_VOL_TYPE_RAID10: | |
1533 | level = RAID_LEVEL_10; | |
1534 | break; | |
1535 | case MPI2_RAID_VOL_TYPE_RAID1E: | |
1536 | level = RAID_LEVEL_1E; | |
1537 | break; | |
1538 | case MPI2_RAID_VOL_TYPE_RAID1: | |
1539 | level = RAID_LEVEL_1; | |
1540 | break; | |
1541 | } | |
1542 | ||
1543 | raid_set_level(mpt2sas_raid_template, &sdev->sdev_gendev, level); | |
1544 | } | |
1545 | ||
635374e7 EM |
1546 | /** |
1547 | * _scsih_get_volume_capabilities - volume capabilities | |
1548 | * @ioc: per adapter object | |
1549 | * @sas_device: the raid_device object | |
1550 | */ | |
1551 | static void | |
1552 | _scsih_get_volume_capabilities(struct MPT2SAS_ADAPTER *ioc, | |
1553 | struct _raid_device *raid_device) | |
1554 | { | |
1555 | Mpi2RaidVolPage0_t *vol_pg0; | |
1556 | Mpi2RaidPhysDiskPage0_t pd_pg0; | |
1557 | Mpi2SasDevicePage0_t sas_device_pg0; | |
1558 | Mpi2ConfigReply_t mpi_reply; | |
1559 | u16 sz; | |
1560 | u8 num_pds; | |
1561 | ||
1562 | if ((mpt2sas_config_get_number_pds(ioc, raid_device->handle, | |
1563 | &num_pds)) || !num_pds) { | |
1564 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1565 | ioc->name, __FILE__, __LINE__, __func__); | |
1566 | return; | |
1567 | } | |
1568 | ||
1569 | raid_device->num_pds = num_pds; | |
1570 | sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds * | |
1571 | sizeof(Mpi2RaidVol0PhysDisk_t)); | |
1572 | vol_pg0 = kzalloc(sz, GFP_KERNEL); | |
1573 | if (!vol_pg0) { | |
1574 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1575 | ioc->name, __FILE__, __LINE__, __func__); | |
1576 | return; | |
1577 | } | |
1578 | ||
1579 | if ((mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0, | |
1580 | MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) { | |
1581 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1582 | ioc->name, __FILE__, __LINE__, __func__); | |
1583 | kfree(vol_pg0); | |
1584 | return; | |
1585 | } | |
1586 | ||
1587 | raid_device->volume_type = vol_pg0->VolumeType; | |
1588 | ||
1589 | /* figure out what the underlying devices are by | |
1590 | * obtaining the device_info bits for the 1st device | |
1591 | */ | |
1592 | if (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply, | |
1593 | &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM, | |
1594 | vol_pg0->PhysDisk[0].PhysDiskNum))) { | |
1595 | if (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, | |
1596 | &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, | |
1597 | le16_to_cpu(pd_pg0.DevHandle)))) { | |
1598 | raid_device->device_info = | |
1599 | le32_to_cpu(sas_device_pg0.DeviceInfo); | |
1600 | } | |
1601 | } | |
1602 | ||
1603 | kfree(vol_pg0); | |
1604 | } | |
1605 | ||
84f0b04a KD |
1606 | /** |
1607 | * _scsih_enable_tlr - setting TLR flags | |
1608 | * @ioc: per adapter object | |
1609 | * @sdev: scsi device struct | |
1610 | * | |
1611 | * Enabling Transaction Layer Retries for tape devices when | |
1612 | * vpd page 0x90 is present | |
1613 | * | |
1614 | */ | |
1615 | static void | |
1616 | _scsih_enable_tlr(struct MPT2SAS_ADAPTER *ioc, struct scsi_device *sdev) | |
1617 | { | |
1618 | /* only for TAPE */ | |
1619 | if (sdev->type != TYPE_TAPE) | |
1620 | return; | |
1621 | ||
1622 | if (!(ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR)) | |
1623 | return; | |
1624 | ||
1625 | sas_enable_tlr(sdev); | |
1626 | sdev_printk(KERN_INFO, sdev, "TLR %s\n", | |
1627 | sas_is_tlr_enabled(sdev) ? "Enabled" : "Disabled"); | |
1628 | return; | |
1629 | ||
1630 | } | |
1631 | ||
635374e7 | 1632 | /** |
d5d135b3 | 1633 | * _scsih_slave_configure - device configure routine. |
635374e7 EM |
1634 | * @sdev: scsi device struct |
1635 | * | |
1636 | * Returns 0 if ok. Any other return is assumed to be an error and | |
1637 | * the device is ignored. | |
1638 | */ | |
1639 | static int | |
d5d135b3 | 1640 | _scsih_slave_configure(struct scsi_device *sdev) |
635374e7 EM |
1641 | { |
1642 | struct Scsi_Host *shost = sdev->host; | |
1643 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
1644 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
1645 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
1646 | struct _sas_device *sas_device; | |
1647 | struct _raid_device *raid_device; | |
1648 | unsigned long flags; | |
1649 | int qdepth; | |
1650 | u8 ssp_target = 0; | |
1651 | char *ds = ""; | |
1652 | char *r_level = ""; | |
1653 | ||
1654 | qdepth = 1; | |
1655 | sas_device_priv_data = sdev->hostdata; | |
1656 | sas_device_priv_data->configured_lun = 1; | |
1657 | sas_device_priv_data->flags &= ~MPT_DEVICE_FLAGS_INIT; | |
1658 | sas_target_priv_data = sas_device_priv_data->sas_target; | |
1659 | ||
1660 | /* raid volume handling */ | |
1661 | if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME) { | |
1662 | ||
1663 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1664 | raid_device = _scsih_raid_device_find_by_handle(ioc, | |
1665 | sas_target_priv_data->handle); | |
1666 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
1667 | if (!raid_device) { | |
1668 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1669 | ioc->name, __FILE__, __LINE__, __func__); | |
1670 | return 0; | |
1671 | } | |
1672 | ||
1673 | _scsih_get_volume_capabilities(ioc, raid_device); | |
1674 | ||
1675 | /* RAID Queue Depth Support | |
1676 | * IS volume = underlying qdepth of drive type, either | |
1677 | * MPT2SAS_SAS_QUEUE_DEPTH or MPT2SAS_SATA_QUEUE_DEPTH | |
1678 | * IM/IME/R10 = 128 (MPT2SAS_RAID_QUEUE_DEPTH) | |
1679 | */ | |
1680 | if (raid_device->device_info & | |
1681 | MPI2_SAS_DEVICE_INFO_SSP_TARGET) { | |
1682 | qdepth = MPT2SAS_SAS_QUEUE_DEPTH; | |
1683 | ds = "SSP"; | |
1684 | } else { | |
1685 | qdepth = MPT2SAS_SATA_QUEUE_DEPTH; | |
1686 | if (raid_device->device_info & | |
1687 | MPI2_SAS_DEVICE_INFO_SATA_DEVICE) | |
1688 | ds = "SATA"; | |
1689 | else | |
1690 | ds = "STP"; | |
1691 | } | |
1692 | ||
1693 | switch (raid_device->volume_type) { | |
1694 | case MPI2_RAID_VOL_TYPE_RAID0: | |
1695 | r_level = "RAID0"; | |
1696 | break; | |
1697 | case MPI2_RAID_VOL_TYPE_RAID1E: | |
1698 | qdepth = MPT2SAS_RAID_QUEUE_DEPTH; | |
ed79f128 KD |
1699 | if (ioc->manu_pg10.OEMIdentifier && |
1700 | (ioc->manu_pg10.GenericFlags0 & | |
1701 | MFG10_GF0_R10_DISPLAY) && | |
1702 | !(raid_device->num_pds % 2)) | |
1703 | r_level = "RAID10"; | |
1704 | else | |
1705 | r_level = "RAID1E"; | |
635374e7 EM |
1706 | break; |
1707 | case MPI2_RAID_VOL_TYPE_RAID1: | |
1708 | qdepth = MPT2SAS_RAID_QUEUE_DEPTH; | |
1709 | r_level = "RAID1"; | |
1710 | break; | |
1711 | case MPI2_RAID_VOL_TYPE_RAID10: | |
1712 | qdepth = MPT2SAS_RAID_QUEUE_DEPTH; | |
1713 | r_level = "RAID10"; | |
1714 | break; | |
1715 | case MPI2_RAID_VOL_TYPE_UNKNOWN: | |
1716 | default: | |
1717 | qdepth = MPT2SAS_RAID_QUEUE_DEPTH; | |
1718 | r_level = "RAIDX"; | |
1719 | break; | |
1720 | } | |
1721 | ||
1722 | sdev_printk(KERN_INFO, sdev, "%s: " | |
1723 | "handle(0x%04x), wwid(0x%016llx), pd_count(%d), type(%s)\n", | |
1724 | r_level, raid_device->handle, | |
1725 | (unsigned long long)raid_device->wwid, | |
1726 | raid_device->num_pds, ds); | |
e881a172 | 1727 | _scsih_change_queue_depth(sdev, qdepth, SCSI_QDEPTH_DEFAULT); |
f7c95ef0 KD |
1728 | /* raid transport support */ |
1729 | _scsih_set_level(sdev, raid_device); | |
635374e7 EM |
1730 | return 0; |
1731 | } | |
1732 | ||
1733 | /* non-raid handling */ | |
1734 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
1735 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
1736 | sas_device_priv_data->sas_target->sas_address); | |
1737 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
1738 | if (sas_device) { | |
1739 | if (sas_target_priv_data->flags & | |
1740 | MPT_TARGET_FLAGS_RAID_COMPONENT) { | |
1741 | mpt2sas_config_get_volume_handle(ioc, | |
1742 | sas_device->handle, &sas_device->volume_handle); | |
1743 | mpt2sas_config_get_volume_wwid(ioc, | |
1744 | sas_device->volume_handle, | |
1745 | &sas_device->volume_wwid); | |
1746 | } | |
1747 | if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) { | |
1748 | qdepth = MPT2SAS_SAS_QUEUE_DEPTH; | |
1749 | ssp_target = 1; | |
1750 | ds = "SSP"; | |
1751 | } else { | |
1752 | qdepth = MPT2SAS_SATA_QUEUE_DEPTH; | |
1753 | if (sas_device->device_info & | |
1754 | MPI2_SAS_DEVICE_INFO_STP_TARGET) | |
1755 | ds = "STP"; | |
1756 | else if (sas_device->device_info & | |
1757 | MPI2_SAS_DEVICE_INFO_SATA_DEVICE) | |
1758 | ds = "SATA"; | |
1759 | } | |
1760 | ||
1761 | sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), " | |
1762 | "sas_addr(0x%016llx), device_name(0x%016llx)\n", | |
1763 | ds, sas_device->handle, | |
1764 | (unsigned long long)sas_device->sas_address, | |
1765 | (unsigned long long)sas_device->device_name); | |
1766 | sdev_printk(KERN_INFO, sdev, "%s: " | |
1767 | "enclosure_logical_id(0x%016llx), slot(%d)\n", ds, | |
1768 | (unsigned long long) sas_device->enclosure_logical_id, | |
1769 | sas_device->slot); | |
1770 | ||
1771 | if (!ssp_target) | |
d5d135b3 | 1772 | _scsih_display_sata_capabilities(ioc, sas_device, sdev); |
635374e7 EM |
1773 | } |
1774 | ||
e881a172 | 1775 | _scsih_change_queue_depth(sdev, qdepth, SCSI_QDEPTH_DEFAULT); |
635374e7 | 1776 | |
84f0b04a | 1777 | if (ssp_target) { |
635374e7 | 1778 | sas_read_port_mode_page(sdev); |
84f0b04a KD |
1779 | _scsih_enable_tlr(ioc, sdev); |
1780 | } | |
635374e7 EM |
1781 | return 0; |
1782 | } | |
1783 | ||
1784 | /** | |
d5d135b3 | 1785 | * _scsih_bios_param - fetch head, sector, cylinder info for a disk |
635374e7 EM |
1786 | * @sdev: scsi device struct |
1787 | * @bdev: pointer to block device context | |
1788 | * @capacity: device size (in 512 byte sectors) | |
1789 | * @params: three element array to place output: | |
1790 | * params[0] number of heads (max 255) | |
1791 | * params[1] number of sectors (max 63) | |
1792 | * params[2] number of cylinders | |
1793 | * | |
1794 | * Return nothing. | |
1795 | */ | |
1796 | static int | |
d5d135b3 | 1797 | _scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev, |
635374e7 EM |
1798 | sector_t capacity, int params[]) |
1799 | { | |
1800 | int heads; | |
1801 | int sectors; | |
1802 | sector_t cylinders; | |
1803 | ulong dummy; | |
1804 | ||
1805 | heads = 64; | |
1806 | sectors = 32; | |
1807 | ||
1808 | dummy = heads * sectors; | |
1809 | cylinders = capacity; | |
1810 | sector_div(cylinders, dummy); | |
1811 | ||
1812 | /* | |
1813 | * Handle extended translation size for logical drives | |
1814 | * > 1Gb | |
1815 | */ | |
1816 | if ((ulong)capacity >= 0x200000) { | |
1817 | heads = 255; | |
1818 | sectors = 63; | |
1819 | dummy = heads * sectors; | |
1820 | cylinders = capacity; | |
1821 | sector_div(cylinders, dummy); | |
1822 | } | |
1823 | ||
1824 | /* return result */ | |
1825 | params[0] = heads; | |
1826 | params[1] = sectors; | |
1827 | params[2] = cylinders; | |
1828 | ||
1829 | return 0; | |
1830 | } | |
1831 | ||
1832 | /** | |
1833 | * _scsih_response_code - translation of device response code | |
1834 | * @ioc: per adapter object | |
1835 | * @response_code: response code returned by the device | |
1836 | * | |
1837 | * Return nothing. | |
1838 | */ | |
1839 | static void | |
1840 | _scsih_response_code(struct MPT2SAS_ADAPTER *ioc, u8 response_code) | |
1841 | { | |
1842 | char *desc; | |
1843 | ||
1844 | switch (response_code) { | |
1845 | case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE: | |
1846 | desc = "task management request completed"; | |
1847 | break; | |
1848 | case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME: | |
1849 | desc = "invalid frame"; | |
1850 | break; | |
1851 | case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED: | |
1852 | desc = "task management request not supported"; | |
1853 | break; | |
1854 | case MPI2_SCSITASKMGMT_RSP_TM_FAILED: | |
1855 | desc = "task management request failed"; | |
1856 | break; | |
1857 | case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED: | |
1858 | desc = "task management request succeeded"; | |
1859 | break; | |
1860 | case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN: | |
1861 | desc = "invalid lun"; | |
1862 | break; | |
1863 | case 0xA: | |
1864 | desc = "overlapped tag attempted"; | |
1865 | break; | |
1866 | case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC: | |
1867 | desc = "task queued, however not sent to target"; | |
1868 | break; | |
1869 | default: | |
1870 | desc = "unknown"; | |
1871 | break; | |
1872 | } | |
1873 | printk(MPT2SAS_WARN_FMT "response_code(0x%01x): %s\n", | |
1874 | ioc->name, response_code, desc); | |
1875 | } | |
1876 | ||
1877 | /** | |
d5d135b3 | 1878 | * _scsih_tm_done - tm completion routine |
635374e7 EM |
1879 | * @ioc: per adapter object |
1880 | * @smid: system request message index | |
7b936b02 | 1881 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
1882 | * @reply: reply message frame(lower 32bit addr) |
1883 | * Context: none. | |
1884 | * | |
1885 | * The callback handler when using scsih_issue_tm. | |
1886 | * | |
77e63ed4 KD |
1887 | * Return 1 meaning mf should be freed from _base_interrupt |
1888 | * 0 means the mf is freed from this function. | |
635374e7 | 1889 | */ |
77e63ed4 | 1890 | static u8 |
7b936b02 | 1891 | _scsih_tm_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) |
635374e7 EM |
1892 | { |
1893 | MPI2DefaultReply_t *mpi_reply; | |
1894 | ||
1895 | if (ioc->tm_cmds.status == MPT2_CMD_NOT_USED) | |
77e63ed4 | 1896 | return 1; |
635374e7 | 1897 | if (ioc->tm_cmds.smid != smid) |
77e63ed4 | 1898 | return 1; |
635374e7 EM |
1899 | ioc->tm_cmds.status |= MPT2_CMD_COMPLETE; |
1900 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
1901 | if (mpi_reply) { | |
1902 | memcpy(ioc->tm_cmds.reply, mpi_reply, mpi_reply->MsgLength*4); | |
1903 | ioc->tm_cmds.status |= MPT2_CMD_REPLY_VALID; | |
1904 | } | |
1905 | ioc->tm_cmds.status &= ~MPT2_CMD_PENDING; | |
1906 | complete(&ioc->tm_cmds.done); | |
77e63ed4 | 1907 | return 1; |
635374e7 EM |
1908 | } |
1909 | ||
1910 | /** | |
1911 | * mpt2sas_scsih_set_tm_flag - set per target tm_busy | |
1912 | * @ioc: per adapter object | |
1913 | * @handle: device handle | |
1914 | * | |
1915 | * During taskmangement request, we need to freeze the device queue. | |
1916 | */ | |
1917 | void | |
1918 | mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
1919 | { | |
1920 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
1921 | struct scsi_device *sdev; | |
1922 | u8 skip = 0; | |
1923 | ||
1924 | shost_for_each_device(sdev, ioc->shost) { | |
1925 | if (skip) | |
1926 | continue; | |
1927 | sas_device_priv_data = sdev->hostdata; | |
1928 | if (!sas_device_priv_data) | |
1929 | continue; | |
1930 | if (sas_device_priv_data->sas_target->handle == handle) { | |
1931 | sas_device_priv_data->sas_target->tm_busy = 1; | |
1932 | skip = 1; | |
1933 | ioc->ignore_loginfos = 1; | |
1934 | } | |
1935 | } | |
1936 | } | |
1937 | ||
1938 | /** | |
1939 | * mpt2sas_scsih_clear_tm_flag - clear per target tm_busy | |
1940 | * @ioc: per adapter object | |
1941 | * @handle: device handle | |
1942 | * | |
1943 | * During taskmangement request, we need to freeze the device queue. | |
1944 | */ | |
1945 | void | |
1946 | mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
1947 | { | |
1948 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
1949 | struct scsi_device *sdev; | |
1950 | u8 skip = 0; | |
1951 | ||
1952 | shost_for_each_device(sdev, ioc->shost) { | |
1953 | if (skip) | |
1954 | continue; | |
1955 | sas_device_priv_data = sdev->hostdata; | |
1956 | if (!sas_device_priv_data) | |
1957 | continue; | |
1958 | if (sas_device_priv_data->sas_target->handle == handle) { | |
1959 | sas_device_priv_data->sas_target->tm_busy = 0; | |
1960 | skip = 1; | |
1961 | ioc->ignore_loginfos = 0; | |
1962 | } | |
1963 | } | |
1964 | } | |
1965 | ||
1966 | /** | |
1967 | * mpt2sas_scsih_issue_tm - main routine for sending tm requests | |
1968 | * @ioc: per adapter struct | |
1969 | * @device_handle: device handle | |
1970 | * @lun: lun number | |
1971 | * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h) | |
1972 | * @smid_task: smid assigned to the task | |
1973 | * @timeout: timeout in seconds | |
1974 | * Context: The calling function needs to acquire the tm_cmds.mutex | |
1975 | * | |
1976 | * A generic API for sending task management requests to firmware. | |
1977 | * | |
1978 | * The ioc->tm_cmds.status flag should be MPT2_CMD_NOT_USED before calling | |
1979 | * this API. | |
1980 | * | |
1981 | * The callback index is set inside `ioc->tm_cb_idx`. | |
1982 | * | |
1983 | * Return nothing. | |
1984 | */ | |
1985 | void | |
1986 | mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun, | |
1987 | u8 type, u16 smid_task, ulong timeout) | |
1988 | { | |
1989 | Mpi2SCSITaskManagementRequest_t *mpi_request; | |
1990 | Mpi2SCSITaskManagementReply_t *mpi_reply; | |
1991 | u16 smid = 0; | |
1992 | u32 ioc_state; | |
1993 | unsigned long timeleft; | |
635374e7 | 1994 | |
155dd4c7 KD |
1995 | if (ioc->tm_cmds.status != MPT2_CMD_NOT_USED) { |
1996 | printk(MPT2SAS_INFO_FMT "%s: tm_cmd busy!!!\n", | |
1997 | __func__, ioc->name); | |
1998 | return; | |
1999 | } | |
2000 | ||
2001 | if (ioc->shost_recovery) { | |
635374e7 EM |
2002 | printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", |
2003 | __func__, ioc->name); | |
2004 | return; | |
2005 | } | |
635374e7 EM |
2006 | |
2007 | ioc_state = mpt2sas_base_get_iocstate(ioc, 0); | |
2008 | if (ioc_state & MPI2_DOORBELL_USED) { | |
2009 | dhsprintk(ioc, printk(MPT2SAS_DEBUG_FMT "unexpected doorbell " | |
2010 | "active!\n", ioc->name)); | |
2011 | goto issue_host_reset; | |
2012 | } | |
2013 | ||
2014 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { | |
2015 | mpt2sas_base_fault_info(ioc, ioc_state & | |
2016 | MPI2_DOORBELL_DATA_MASK); | |
2017 | goto issue_host_reset; | |
2018 | } | |
2019 | ||
595bb0bd | 2020 | smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx); |
635374e7 EM |
2021 | if (!smid) { |
2022 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
2023 | ioc->name, __func__); | |
2024 | return; | |
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); | |
7b936b02 KD |
2038 | mpi_request->VP_ID = 0; /* TODO */ |
2039 | mpi_request->VF_ID = 0; | |
635374e7 EM |
2040 | int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN); |
2041 | mpt2sas_scsih_set_tm_flag(ioc, handle); | |
5b768581 | 2042 | init_completion(&ioc->tm_cmds.done); |
7b936b02 | 2043 | mpt2sas_base_put_smid_hi_priority(ioc, smid); |
635374e7 EM |
2044 | timeleft = wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ); |
2045 | mpt2sas_scsih_clear_tm_flag(ioc, handle); | |
2046 | if (!(ioc->tm_cmds.status & MPT2_CMD_COMPLETE)) { | |
2047 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
2048 | ioc->name, __func__); | |
2049 | _debug_dump_mf(mpi_request, | |
2050 | sizeof(Mpi2SCSITaskManagementRequest_t)/4); | |
2051 | if (!(ioc->tm_cmds.status & MPT2_CMD_RESET)) | |
2052 | goto issue_host_reset; | |
2053 | } | |
2054 | ||
2055 | if (ioc->tm_cmds.status & MPT2_CMD_REPLY_VALID) { | |
2056 | mpi_reply = ioc->tm_cmds.reply; | |
2057 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "complete tm: " | |
2058 | "ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n", | |
2059 | ioc->name, le16_to_cpu(mpi_reply->IOCStatus), | |
2060 | le32_to_cpu(mpi_reply->IOCLogInfo), | |
2061 | le32_to_cpu(mpi_reply->TerminationCount))); | |
2062 | if (ioc->logging_level & MPT_DEBUG_TM) | |
2063 | _scsih_response_code(ioc, mpi_reply->ResponseCode); | |
2064 | } | |
2065 | return; | |
2066 | issue_host_reset: | |
2067 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, FORCE_BIG_HAMMER); | |
2068 | } | |
2069 | ||
2070 | /** | |
d5d135b3 | 2071 | * _scsih_abort - eh threads main abort routine |
635374e7 EM |
2072 | * @sdev: scsi device struct |
2073 | * | |
2074 | * Returns SUCCESS if command aborted else FAILED | |
2075 | */ | |
2076 | static int | |
d5d135b3 | 2077 | _scsih_abort(struct scsi_cmnd *scmd) |
635374e7 EM |
2078 | { |
2079 | struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); | |
2080 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
2081 | u16 smid; | |
2082 | u16 handle; | |
2083 | int r; | |
2084 | struct scsi_cmnd *scmd_lookup; | |
2085 | ||
2086 | printk(MPT2SAS_INFO_FMT "attempting task abort! scmd(%p)\n", | |
2087 | ioc->name, scmd); | |
2088 | scsi_print_command(scmd); | |
2089 | ||
2090 | sas_device_priv_data = scmd->device->hostdata; | |
2091 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { | |
2092 | printk(MPT2SAS_INFO_FMT "device been deleted! scmd(%p)\n", | |
2093 | ioc->name, scmd); | |
2094 | scmd->result = DID_NO_CONNECT << 16; | |
2095 | scmd->scsi_done(scmd); | |
2096 | r = SUCCESS; | |
2097 | goto out; | |
2098 | } | |
2099 | ||
2100 | /* search for the command */ | |
2101 | smid = _scsih_scsi_lookup_find_by_scmd(ioc, scmd); | |
2102 | if (!smid) { | |
2103 | scmd->result = DID_RESET << 16; | |
2104 | r = SUCCESS; | |
2105 | goto out; | |
2106 | } | |
2107 | ||
2108 | /* for hidden raid components and volumes this is not supported */ | |
2109 | if (sas_device_priv_data->sas_target->flags & | |
2110 | MPT_TARGET_FLAGS_RAID_COMPONENT || | |
2111 | sas_device_priv_data->sas_target->flags & MPT_TARGET_FLAGS_VOLUME) { | |
2112 | scmd->result = DID_RESET << 16; | |
2113 | r = FAILED; | |
2114 | goto out; | |
2115 | } | |
2116 | ||
fa7f3167 KD |
2117 | mpt2sas_halt_firmware(ioc); |
2118 | ||
635374e7 EM |
2119 | mutex_lock(&ioc->tm_cmds.mutex); |
2120 | handle = sas_device_priv_data->sas_target->handle; | |
2121 | mpt2sas_scsih_issue_tm(ioc, handle, sas_device_priv_data->lun, | |
2122 | MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30); | |
2123 | ||
2124 | /* sanity check - see whether command actually completed */ | |
2125 | scmd_lookup = _scsih_scsi_lookup_get(ioc, smid); | |
2126 | if (scmd_lookup && (scmd_lookup->serial_number == scmd->serial_number)) | |
2127 | r = FAILED; | |
2128 | else | |
2129 | r = SUCCESS; | |
2130 | ioc->tm_cmds.status = MPT2_CMD_NOT_USED; | |
2131 | mutex_unlock(&ioc->tm_cmds.mutex); | |
2132 | ||
2133 | out: | |
2134 | printk(MPT2SAS_INFO_FMT "task abort: %s scmd(%p)\n", | |
2135 | ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); | |
2136 | return r; | |
2137 | } | |
2138 | ||
635374e7 | 2139 | /** |
d5d135b3 | 2140 | * _scsih_dev_reset - eh threads main device reset routine |
635374e7 EM |
2141 | * @sdev: scsi device struct |
2142 | * | |
2143 | * Returns SUCCESS if command aborted else FAILED | |
2144 | */ | |
2145 | static int | |
d5d135b3 | 2146 | _scsih_dev_reset(struct scsi_cmnd *scmd) |
635374e7 EM |
2147 | { |
2148 | struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); | |
2149 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
2150 | struct _sas_device *sas_device; | |
2151 | unsigned long flags; | |
2152 | u16 handle; | |
2153 | int r; | |
2154 | ||
993e0da7 | 2155 | printk(MPT2SAS_INFO_FMT "attempting device reset! scmd(%p)\n", |
635374e7 EM |
2156 | ioc->name, scmd); |
2157 | scsi_print_command(scmd); | |
2158 | ||
2159 | sas_device_priv_data = scmd->device->hostdata; | |
2160 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { | |
2161 | printk(MPT2SAS_INFO_FMT "device been deleted! scmd(%p)\n", | |
2162 | ioc->name, scmd); | |
2163 | scmd->result = DID_NO_CONNECT << 16; | |
2164 | scmd->scsi_done(scmd); | |
2165 | r = SUCCESS; | |
2166 | goto out; | |
2167 | } | |
2168 | ||
2169 | /* for hidden raid components obtain the volume_handle */ | |
2170 | handle = 0; | |
2171 | if (sas_device_priv_data->sas_target->flags & | |
2172 | MPT_TARGET_FLAGS_RAID_COMPONENT) { | |
2173 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
2174 | sas_device = _scsih_sas_device_find_by_handle(ioc, | |
2175 | sas_device_priv_data->sas_target->handle); | |
2176 | if (sas_device) | |
2177 | handle = sas_device->volume_handle; | |
2178 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
2179 | } else | |
2180 | handle = sas_device_priv_data->sas_target->handle; | |
2181 | ||
2182 | if (!handle) { | |
2183 | scmd->result = DID_RESET << 16; | |
2184 | r = FAILED; | |
2185 | goto out; | |
2186 | } | |
2187 | ||
993e0da7 EM |
2188 | mutex_lock(&ioc->tm_cmds.mutex); |
2189 | mpt2sas_scsih_issue_tm(ioc, handle, 0, | |
2190 | MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, scmd->device->lun, | |
2191 | 30); | |
2192 | ||
2193 | /* | |
2194 | * sanity check see whether all commands to this device been | |
2195 | * completed | |
2196 | */ | |
2197 | if (_scsih_scsi_lookup_find_by_lun(ioc, scmd->device->id, | |
2198 | scmd->device->lun, scmd->device->channel)) | |
2199 | r = FAILED; | |
2200 | else | |
2201 | r = SUCCESS; | |
2202 | ioc->tm_cmds.status = MPT2_CMD_NOT_USED; | |
2203 | mutex_unlock(&ioc->tm_cmds.mutex); | |
2204 | ||
2205 | out: | |
2206 | printk(MPT2SAS_INFO_FMT "device reset: %s scmd(%p)\n", | |
2207 | ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); | |
2208 | return r; | |
2209 | } | |
2210 | ||
2211 | /** | |
d5d135b3 | 2212 | * _scsih_target_reset - eh threads main target reset routine |
993e0da7 EM |
2213 | * @sdev: scsi device struct |
2214 | * | |
2215 | * Returns SUCCESS if command aborted else FAILED | |
2216 | */ | |
2217 | static int | |
d5d135b3 | 2218 | _scsih_target_reset(struct scsi_cmnd *scmd) |
993e0da7 EM |
2219 | { |
2220 | struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); | |
2221 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
2222 | struct _sas_device *sas_device; | |
2223 | unsigned long flags; | |
2224 | u16 handle; | |
2225 | int r; | |
2226 | ||
2227 | printk(MPT2SAS_INFO_FMT "attempting target reset! scmd(%p)\n", | |
2228 | ioc->name, scmd); | |
2229 | scsi_print_command(scmd); | |
2230 | ||
2231 | sas_device_priv_data = scmd->device->hostdata; | |
2232 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { | |
2233 | printk(MPT2SAS_INFO_FMT "target been deleted! scmd(%p)\n", | |
2234 | ioc->name, scmd); | |
2235 | scmd->result = DID_NO_CONNECT << 16; | |
2236 | scmd->scsi_done(scmd); | |
2237 | r = SUCCESS; | |
2238 | goto out; | |
2239 | } | |
2240 | ||
2241 | /* for hidden raid components obtain the volume_handle */ | |
2242 | handle = 0; | |
2243 | if (sas_device_priv_data->sas_target->flags & | |
2244 | MPT_TARGET_FLAGS_RAID_COMPONENT) { | |
2245 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
2246 | sas_device = _scsih_sas_device_find_by_handle(ioc, | |
2247 | sas_device_priv_data->sas_target->handle); | |
2248 | if (sas_device) | |
2249 | handle = sas_device->volume_handle; | |
2250 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
2251 | } else | |
2252 | handle = sas_device_priv_data->sas_target->handle; | |
2253 | ||
2254 | if (!handle) { | |
2255 | scmd->result = DID_RESET << 16; | |
2256 | r = FAILED; | |
2257 | goto out; | |
2258 | } | |
2259 | ||
635374e7 EM |
2260 | mutex_lock(&ioc->tm_cmds.mutex); |
2261 | mpt2sas_scsih_issue_tm(ioc, handle, 0, | |
2262 | MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 30); | |
2263 | ||
2264 | /* | |
2265 | * sanity check see whether all commands to this target been | |
2266 | * completed | |
2267 | */ | |
2268 | if (_scsih_scsi_lookup_find_by_target(ioc, scmd->device->id, | |
2269 | scmd->device->channel)) | |
2270 | r = FAILED; | |
2271 | else | |
2272 | r = SUCCESS; | |
2273 | ioc->tm_cmds.status = MPT2_CMD_NOT_USED; | |
2274 | mutex_unlock(&ioc->tm_cmds.mutex); | |
2275 | ||
2276 | out: | |
2277 | printk(MPT2SAS_INFO_FMT "target reset: %s scmd(%p)\n", | |
2278 | ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); | |
2279 | return r; | |
2280 | } | |
2281 | ||
2282 | /** | |
595bb0bd | 2283 | * _scsih_host_reset - eh threads main host reset routine |
635374e7 EM |
2284 | * @sdev: scsi device struct |
2285 | * | |
2286 | * Returns SUCCESS if command aborted else FAILED | |
2287 | */ | |
2288 | static int | |
d5d135b3 | 2289 | _scsih_host_reset(struct scsi_cmnd *scmd) |
635374e7 EM |
2290 | { |
2291 | struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); | |
2292 | int r, retval; | |
2293 | ||
2294 | printk(MPT2SAS_INFO_FMT "attempting host reset! scmd(%p)\n", | |
2295 | ioc->name, scmd); | |
2296 | scsi_print_command(scmd); | |
2297 | ||
2298 | retval = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
2299 | FORCE_BIG_HAMMER); | |
2300 | r = (retval < 0) ? FAILED : SUCCESS; | |
2301 | printk(MPT2SAS_INFO_FMT "host reset: %s scmd(%p)\n", | |
2302 | ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); | |
2303 | ||
2304 | return r; | |
2305 | } | |
2306 | ||
2307 | /** | |
2308 | * _scsih_fw_event_add - insert and queue up fw_event | |
2309 | * @ioc: per adapter object | |
2310 | * @fw_event: object describing the event | |
2311 | * Context: This function will acquire ioc->fw_event_lock. | |
2312 | * | |
2313 | * This adds the firmware event object into link list, then queues it up to | |
2314 | * be processed from user context. | |
2315 | * | |
2316 | * Return nothing. | |
2317 | */ | |
2318 | static void | |
2319 | _scsih_fw_event_add(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work *fw_event) | |
2320 | { | |
2321 | unsigned long flags; | |
2322 | ||
2323 | if (ioc->firmware_event_thread == NULL) | |
2324 | return; | |
2325 | ||
2326 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
2327 | list_add_tail(&fw_event->list, &ioc->fw_event_list); | |
6f92a7a0 EM |
2328 | INIT_WORK(&fw_event->work, _firmware_event_work); |
2329 | queue_work(ioc->firmware_event_thread, &fw_event->work); | |
635374e7 EM |
2330 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); |
2331 | } | |
2332 | ||
2333 | /** | |
2334 | * _scsih_fw_event_free - delete fw_event | |
2335 | * @ioc: per adapter object | |
2336 | * @fw_event: object describing the event | |
2337 | * Context: This function will acquire ioc->fw_event_lock. | |
2338 | * | |
2339 | * This removes firmware event object from link list, frees associated memory. | |
2340 | * | |
2341 | * Return nothing. | |
2342 | */ | |
2343 | static void | |
2344 | _scsih_fw_event_free(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work | |
2345 | *fw_event) | |
2346 | { | |
2347 | unsigned long flags; | |
2348 | ||
2349 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
2350 | list_del(&fw_event->list); | |
2351 | kfree(fw_event->event_data); | |
2352 | kfree(fw_event); | |
2353 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
2354 | } | |
2355 | ||
2356 | /** | |
2357 | * _scsih_fw_event_add - requeue an event | |
2358 | * @ioc: per adapter object | |
2359 | * @fw_event: object describing the event | |
2360 | * Context: This function will acquire ioc->fw_event_lock. | |
2361 | * | |
2362 | * Return nothing. | |
2363 | */ | |
2364 | static void | |
2365 | _scsih_fw_event_requeue(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work | |
2366 | *fw_event, unsigned long delay) | |
2367 | { | |
2368 | unsigned long flags; | |
2369 | if (ioc->firmware_event_thread == NULL) | |
2370 | return; | |
2371 | ||
2372 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
6f92a7a0 | 2373 | queue_work(ioc->firmware_event_thread, &fw_event->work); |
635374e7 EM |
2374 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); |
2375 | } | |
2376 | ||
2377 | /** | |
2378 | * _scsih_fw_event_off - turn flag off preventing event handling | |
2379 | * @ioc: per adapter object | |
2380 | * | |
2381 | * Used to prevent handling of firmware events during adapter reset | |
2382 | * driver unload. | |
2383 | * | |
2384 | * Return nothing. | |
2385 | */ | |
2386 | static void | |
2387 | _scsih_fw_event_off(struct MPT2SAS_ADAPTER *ioc) | |
2388 | { | |
2389 | unsigned long flags; | |
2390 | ||
2391 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
2392 | ioc->fw_events_off = 1; | |
2393 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
2394 | ||
2395 | } | |
2396 | ||
2397 | /** | |
2398 | * _scsih_fw_event_on - turn flag on allowing firmware event handling | |
2399 | * @ioc: per adapter object | |
2400 | * | |
2401 | * Returns nothing. | |
2402 | */ | |
2403 | static void | |
2404 | _scsih_fw_event_on(struct MPT2SAS_ADAPTER *ioc) | |
2405 | { | |
2406 | unsigned long flags; | |
2407 | ||
2408 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
2409 | ioc->fw_events_off = 0; | |
2410 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
2411 | } | |
2412 | ||
2413 | /** | |
2414 | * _scsih_ublock_io_device - set the device state to SDEV_RUNNING | |
2415 | * @ioc: per adapter object | |
2416 | * @handle: device handle | |
2417 | * | |
2418 | * During device pull we need to appropiately set the sdev state. | |
2419 | */ | |
2420 | static void | |
2421 | _scsih_ublock_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
2422 | { | |
2423 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
2424 | struct scsi_device *sdev; | |
2425 | ||
2426 | shost_for_each_device(sdev, ioc->shost) { | |
2427 | sas_device_priv_data = sdev->hostdata; | |
2428 | if (!sas_device_priv_data) | |
2429 | continue; | |
2430 | if (!sas_device_priv_data->block) | |
2431 | continue; | |
2432 | if (sas_device_priv_data->sas_target->handle == handle) { | |
2433 | dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, | |
2434 | MPT2SAS_INFO_FMT "SDEV_RUNNING: " | |
2435 | "handle(0x%04x)\n", ioc->name, handle)); | |
2436 | sas_device_priv_data->block = 0; | |
34a03bef | 2437 | scsi_internal_device_unblock(sdev); |
635374e7 EM |
2438 | } |
2439 | } | |
2440 | } | |
2441 | ||
2442 | /** | |
2443 | * _scsih_block_io_device - set the device state to SDEV_BLOCK | |
2444 | * @ioc: per adapter object | |
2445 | * @handle: device handle | |
2446 | * | |
2447 | * During device pull we need to appropiately set the sdev state. | |
2448 | */ | |
2449 | static void | |
2450 | _scsih_block_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
2451 | { | |
2452 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
2453 | struct scsi_device *sdev; | |
2454 | ||
2455 | shost_for_each_device(sdev, ioc->shost) { | |
2456 | sas_device_priv_data = sdev->hostdata; | |
2457 | if (!sas_device_priv_data) | |
2458 | continue; | |
2459 | if (sas_device_priv_data->block) | |
2460 | continue; | |
2461 | if (sas_device_priv_data->sas_target->handle == handle) { | |
2462 | dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, | |
2463 | MPT2SAS_INFO_FMT "SDEV_BLOCK: " | |
2464 | "handle(0x%04x)\n", ioc->name, handle)); | |
2465 | sas_device_priv_data->block = 1; | |
34a03bef | 2466 | scsi_internal_device_block(sdev); |
635374e7 EM |
2467 | } |
2468 | } | |
2469 | } | |
2470 | ||
2471 | /** | |
2472 | * _scsih_block_io_to_children_attached_to_ex | |
2473 | * @ioc: per adapter object | |
2474 | * @sas_expander: the sas_device object | |
2475 | * | |
2476 | * This routine set sdev state to SDEV_BLOCK for all devices | |
2477 | * attached to this expander. This function called when expander is | |
2478 | * pulled. | |
2479 | */ | |
2480 | static void | |
2481 | _scsih_block_io_to_children_attached_to_ex(struct MPT2SAS_ADAPTER *ioc, | |
2482 | struct _sas_node *sas_expander) | |
2483 | { | |
2484 | struct _sas_port *mpt2sas_port; | |
2485 | struct _sas_device *sas_device; | |
2486 | struct _sas_node *expander_sibling; | |
2487 | unsigned long flags; | |
2488 | ||
2489 | if (!sas_expander) | |
2490 | return; | |
2491 | ||
2492 | list_for_each_entry(mpt2sas_port, | |
2493 | &sas_expander->sas_port_list, port_list) { | |
2494 | if (mpt2sas_port->remote_identify.device_type == | |
2495 | SAS_END_DEVICE) { | |
2496 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
2497 | sas_device = | |
2498 | mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
2499 | mpt2sas_port->remote_identify.sas_address); | |
2500 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
2501 | if (!sas_device) | |
2502 | continue; | |
2503 | _scsih_block_io_device(ioc, sas_device->handle); | |
2504 | } | |
2505 | } | |
2506 | ||
2507 | list_for_each_entry(mpt2sas_port, | |
2508 | &sas_expander->sas_port_list, port_list) { | |
2509 | ||
2510 | if (mpt2sas_port->remote_identify.device_type == | |
2511 | MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER || | |
2512 | mpt2sas_port->remote_identify.device_type == | |
2513 | MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER) { | |
2514 | ||
2515 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
2516 | expander_sibling = | |
2517 | mpt2sas_scsih_expander_find_by_sas_address( | |
2518 | ioc, mpt2sas_port->remote_identify.sas_address); | |
2519 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
2520 | _scsih_block_io_to_children_attached_to_ex(ioc, | |
2521 | expander_sibling); | |
2522 | } | |
2523 | } | |
2524 | } | |
2525 | ||
2526 | /** | |
2527 | * _scsih_block_io_to_children_attached_directly | |
2528 | * @ioc: per adapter object | |
2529 | * @event_data: topology change event data | |
2530 | * | |
2531 | * This routine set sdev state to SDEV_BLOCK for all devices | |
2532 | * direct attached during device pull. | |
2533 | */ | |
2534 | static void | |
2535 | _scsih_block_io_to_children_attached_directly(struct MPT2SAS_ADAPTER *ioc, | |
2536 | Mpi2EventDataSasTopologyChangeList_t *event_data) | |
2537 | { | |
2538 | int i; | |
2539 | u16 handle; | |
2540 | u16 reason_code; | |
2541 | u8 phy_number; | |
2542 | ||
2543 | for (i = 0; i < event_data->NumEntries; i++) { | |
2544 | handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); | |
2545 | if (!handle) | |
2546 | continue; | |
2547 | phy_number = event_data->StartPhyNum + i; | |
2548 | reason_code = event_data->PHY[i].PhyStatus & | |
2549 | MPI2_EVENT_SAS_TOPO_RC_MASK; | |
2550 | if (reason_code == MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING) | |
2551 | _scsih_block_io_device(ioc, handle); | |
2552 | } | |
2553 | } | |
2554 | ||
77e63ed4 KD |
2555 | /** |
2556 | * _scsih_tm_tr_send - send task management request | |
2557 | * @ioc: per adapter object | |
2558 | * @handle: device handle | |
2559 | * Context: interrupt time. | |
2560 | * | |
2561 | * This code is to initiate the device removal handshake protocal | |
2562 | * with controller firmware. This function will issue target reset | |
2563 | * using high priority request queue. It will send a sas iounit | |
2564 | * controll request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion. | |
2565 | * | |
2566 | * This is designed to send muliple task management request at the same | |
2567 | * time to the fifo. If the fifo is full, we will append the request, | |
2568 | * and process it in a future completion. | |
2569 | */ | |
2570 | static void | |
2571 | _scsih_tm_tr_send(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
2572 | { | |
2573 | Mpi2SCSITaskManagementRequest_t *mpi_request; | |
2574 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
2575 | u16 smid; | |
2576 | struct _sas_device *sas_device; | |
2577 | unsigned long flags; | |
2578 | struct _tr_list *delayed_tr; | |
2579 | ||
2580 | if (ioc->shost_recovery) { | |
2581 | printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", | |
2582 | __func__, ioc->name); | |
2583 | return; | |
2584 | } | |
2585 | ||
2586 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
2587 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
77e63ed4 KD |
2588 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
2589 | ||
2590 | /* skip is hidden raid component */ | |
a28eb222 | 2591 | if (sas_device && sas_device->hidden_raid_component) |
77e63ed4 KD |
2592 | return; |
2593 | ||
2594 | smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_cb_idx); | |
2595 | if (!smid) { | |
2596 | delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC); | |
2597 | if (!delayed_tr) | |
2598 | return; | |
2599 | INIT_LIST_HEAD(&delayed_tr->list); | |
2600 | delayed_tr->handle = handle; | |
2601 | delayed_tr->state = MPT2SAS_REQ_SAS_CNTRL; | |
2602 | list_add_tail(&delayed_tr->list, | |
2603 | &ioc->delayed_tr_list); | |
a28eb222 | 2604 | if (sas_device && sas_device->starget) { |
77e63ed4 KD |
2605 | dewtprintk(ioc, starget_printk(KERN_INFO, |
2606 | sas_device->starget, "DELAYED:tr:handle(0x%04x), " | |
a28eb222 KD |
2607 | "(open)\n", handle)); |
2608 | } else { | |
2609 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT | |
2610 | "DELAYED:tr:handle(0x%04x), (open)\n", | |
2611 | ioc->name, handle)); | |
2612 | } | |
77e63ed4 KD |
2613 | return; |
2614 | } | |
2615 | ||
a28eb222 KD |
2616 | if (sas_device) { |
2617 | sas_device->state |= MPTSAS_STATE_TR_SEND; | |
2618 | sas_device->state |= MPT2SAS_REQ_SAS_CNTRL; | |
2619 | if (sas_device->starget && sas_device->starget->hostdata) { | |
2620 | sas_target_priv_data = sas_device->starget->hostdata; | |
2621 | sas_target_priv_data->tm_busy = 1; | |
2622 | dewtprintk(ioc, starget_printk(KERN_INFO, | |
2623 | sas_device->starget, "tr:handle(0x%04x), (open)\n", | |
2624 | handle)); | |
2625 | } | |
2626 | } else { | |
2627 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT | |
2628 | "tr:handle(0x%04x), (open)\n", ioc->name, handle)); | |
77e63ed4 KD |
2629 | } |
2630 | ||
2631 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
2632 | memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t)); | |
2633 | mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; | |
2634 | mpi_request->DevHandle = cpu_to_le16(handle); | |
2635 | mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; | |
77e63ed4 KD |
2636 | mpt2sas_base_put_smid_hi_priority(ioc, smid); |
2637 | } | |
2638 | ||
2639 | ||
2640 | ||
2641 | /** | |
2642 | * _scsih_sas_control_complete - completion routine | |
2643 | * @ioc: per adapter object | |
2644 | * @smid: system request message index | |
2645 | * @msix_index: MSIX table index supplied by the OS | |
2646 | * @reply: reply message frame(lower 32bit addr) | |
2647 | * Context: interrupt time. | |
2648 | * | |
2649 | * This is the sas iounit controll completion routine. | |
2650 | * This code is part of the code to initiate the device removal | |
2651 | * handshake protocal with controller firmware. | |
2652 | * | |
2653 | * Return 1 meaning mf should be freed from _base_interrupt | |
2654 | * 0 means the mf is freed from this function. | |
2655 | */ | |
2656 | static u8 | |
2657 | _scsih_sas_control_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, | |
2658 | u8 msix_index, u32 reply) | |
2659 | { | |
2660 | unsigned long flags; | |
2661 | u16 handle; | |
2662 | struct _sas_device *sas_device; | |
2663 | Mpi2SasIoUnitControlReply_t *mpi_reply = | |
2664 | mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
2665 | ||
2666 | handle = le16_to_cpu(mpi_reply->DevHandle); | |
2667 | ||
2668 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
2669 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
77e63ed4 KD |
2670 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
2671 | ||
a28eb222 KD |
2672 | if (sas_device) { |
2673 | sas_device->state |= MPTSAS_STATE_CNTRL_COMPLETE; | |
2674 | if (sas_device->starget) | |
2675 | dewtprintk(ioc, starget_printk(KERN_INFO, | |
2676 | sas_device->starget, | |
2677 | "sc_complete:handle(0x%04x), " | |
2678 | "ioc_status(0x%04x), loginfo(0x%08x)\n", | |
2679 | handle, le16_to_cpu(mpi_reply->IOCStatus), | |
2680 | le32_to_cpu(mpi_reply->IOCLogInfo))); | |
2681 | } else { | |
2682 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT | |
77e63ed4 KD |
2683 | "sc_complete:handle(0x%04x), " |
2684 | "ioc_status(0x%04x), loginfo(0x%08x)\n", | |
a28eb222 | 2685 | ioc->name, handle, le16_to_cpu(mpi_reply->IOCStatus), |
77e63ed4 | 2686 | le32_to_cpu(mpi_reply->IOCLogInfo))); |
a28eb222 KD |
2687 | } |
2688 | ||
77e63ed4 KD |
2689 | return 1; |
2690 | } | |
2691 | ||
2692 | /** | |
2693 | * _scsih_tm_tr_complete - | |
2694 | * @ioc: per adapter object | |
2695 | * @smid: system request message index | |
2696 | * @msix_index: MSIX table index supplied by the OS | |
2697 | * @reply: reply message frame(lower 32bit addr) | |
2698 | * Context: interrupt time. | |
2699 | * | |
2700 | * This is the target reset completion routine. | |
2701 | * This code is part of the code to initiate the device removal | |
2702 | * handshake protocal with controller firmware. | |
2703 | * It will send a sas iounit controll request (MPI2_SAS_OP_REMOVE_DEVICE) | |
2704 | * | |
2705 | * Return 1 meaning mf should be freed from _base_interrupt | |
2706 | * 0 means the mf is freed from this function. | |
2707 | */ | |
2708 | static u8 | |
2709 | _scsih_tm_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, | |
2710 | u32 reply) | |
2711 | { | |
2712 | unsigned long flags; | |
2713 | u16 handle; | |
2714 | struct _sas_device *sas_device; | |
2715 | Mpi2SCSITaskManagementReply_t *mpi_reply = | |
2716 | mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
2717 | Mpi2SasIoUnitControlRequest_t *mpi_request; | |
2718 | u16 smid_sas_ctrl; | |
2719 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
2720 | struct _tr_list *delayed_tr; | |
2721 | u8 rc; | |
2722 | ||
2723 | handle = le16_to_cpu(mpi_reply->DevHandle); | |
2724 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
2725 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
77e63ed4 KD |
2726 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
2727 | ||
a28eb222 KD |
2728 | if (sas_device) { |
2729 | sas_device->state |= MPTSAS_STATE_TR_COMPLETE; | |
2730 | if (sas_device->starget) { | |
2731 | dewtprintk(ioc, starget_printk(KERN_INFO, | |
2732 | sas_device->starget, "tr_complete:handle(0x%04x), " | |
2733 | "(%s) ioc_status(0x%04x), loginfo(0x%08x), " | |
2734 | "completed(%d)\n", sas_device->handle, | |
2735 | (sas_device->state & MPT2SAS_REQ_SAS_CNTRL) ? | |
2736 | "open" : "active", | |
2737 | le16_to_cpu(mpi_reply->IOCStatus), | |
2738 | le32_to_cpu(mpi_reply->IOCLogInfo), | |
2739 | le32_to_cpu(mpi_reply->TerminationCount))); | |
2740 | if (sas_device->starget->hostdata) { | |
2741 | sas_target_priv_data = | |
2742 | sas_device->starget->hostdata; | |
2743 | sas_target_priv_data->tm_busy = 0; | |
2744 | } | |
2745 | } | |
2746 | } else { | |
2747 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT | |
2748 | "tr_complete:handle(0x%04x), (open) ioc_status(0x%04x), " | |
2749 | "loginfo(0x%08x), completed(%d)\n", ioc->name, | |
2750 | handle, le16_to_cpu(mpi_reply->IOCStatus), | |
77e63ed4 KD |
2751 | le32_to_cpu(mpi_reply->IOCLogInfo), |
2752 | le32_to_cpu(mpi_reply->TerminationCount))); | |
77e63ed4 KD |
2753 | } |
2754 | ||
2755 | if (!list_empty(&ioc->delayed_tr_list)) { | |
2756 | delayed_tr = list_entry(ioc->delayed_tr_list.next, | |
2757 | struct _tr_list, list); | |
2758 | mpt2sas_base_free_smid(ioc, smid); | |
2759 | if (delayed_tr->state & MPT2SAS_REQ_SAS_CNTRL) | |
2760 | _scsih_tm_tr_send(ioc, delayed_tr->handle); | |
2761 | list_del(&delayed_tr->list); | |
2762 | kfree(delayed_tr); | |
2763 | rc = 0; /* tells base_interrupt not to free mf */ | |
2764 | } else | |
2765 | rc = 1; | |
2766 | ||
a28eb222 | 2767 | if (sas_device && !(sas_device->state & MPT2SAS_REQ_SAS_CNTRL)) |
77e63ed4 KD |
2768 | return rc; |
2769 | ||
2770 | if (ioc->shost_recovery) { | |
2771 | printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", | |
2772 | __func__, ioc->name); | |
2773 | return rc; | |
2774 | } | |
2775 | ||
2776 | smid_sas_ctrl = mpt2sas_base_get_smid(ioc, ioc->tm_sas_control_cb_idx); | |
2777 | if (!smid_sas_ctrl) { | |
2778 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
2779 | ioc->name, __func__); | |
2780 | return rc; | |
2781 | } | |
2782 | ||
a28eb222 KD |
2783 | if (sas_device) |
2784 | sas_device->state |= MPTSAS_STATE_CNTRL_SEND; | |
2785 | ||
77e63ed4 KD |
2786 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid_sas_ctrl); |
2787 | memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t)); | |
2788 | mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL; | |
2789 | mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE; | |
2790 | mpi_request->DevHandle = mpi_reply->DevHandle; | |
77e63ed4 KD |
2791 | mpt2sas_base_put_smid_default(ioc, smid_sas_ctrl); |
2792 | return rc; | |
2793 | } | |
2794 | ||
635374e7 EM |
2795 | /** |
2796 | * _scsih_check_topo_delete_events - sanity check on topo events | |
2797 | * @ioc: per adapter object | |
2798 | * @event_data: the event data payload | |
2799 | * | |
2800 | * This routine added to better handle cable breaker. | |
2801 | * | |
2802 | * This handles the case where driver recieves multiple expander | |
2803 | * add and delete events in a single shot. When there is a delete event | |
2804 | * the routine will void any pending add events waiting in the event queue. | |
2805 | * | |
2806 | * Return nothing. | |
2807 | */ | |
2808 | static void | |
2809 | _scsih_check_topo_delete_events(struct MPT2SAS_ADAPTER *ioc, | |
2810 | Mpi2EventDataSasTopologyChangeList_t *event_data) | |
2811 | { | |
2812 | struct fw_event_work *fw_event; | |
2813 | Mpi2EventDataSasTopologyChangeList_t *local_event_data; | |
2814 | u16 expander_handle; | |
2815 | struct _sas_node *sas_expander; | |
2816 | unsigned long flags; | |
77e63ed4 KD |
2817 | int i, reason_code; |
2818 | u16 handle; | |
2819 | ||
2820 | for (i = 0 ; i < event_data->NumEntries; i++) { | |
2821 | if (event_data->PHY[i].PhyStatus & | |
2822 | MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) | |
2823 | continue; | |
2824 | handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); | |
2825 | if (!handle) | |
2826 | continue; | |
2827 | reason_code = event_data->PHY[i].PhyStatus & | |
2828 | MPI2_EVENT_SAS_TOPO_RC_MASK; | |
2829 | if (reason_code == MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING) | |
2830 | _scsih_tm_tr_send(ioc, handle); | |
2831 | } | |
635374e7 EM |
2832 | |
2833 | expander_handle = le16_to_cpu(event_data->ExpanderDevHandle); | |
2834 | if (expander_handle < ioc->sas_hba.num_phys) { | |
2835 | _scsih_block_io_to_children_attached_directly(ioc, event_data); | |
2836 | return; | |
2837 | } | |
2838 | ||
2839 | if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING | |
2840 | || event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING) { | |
2841 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
2842 | sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc, | |
2843 | expander_handle); | |
2844 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
2845 | _scsih_block_io_to_children_attached_to_ex(ioc, sas_expander); | |
2846 | } else if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_RESPONDING) | |
2847 | _scsih_block_io_to_children_attached_directly(ioc, event_data); | |
2848 | ||
2849 | if (event_data->ExpStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING) | |
2850 | return; | |
2851 | ||
2852 | /* mark ignore flag for pending events */ | |
2853 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
2854 | list_for_each_entry(fw_event, &ioc->fw_event_list, list) { | |
2855 | if (fw_event->event != MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || | |
2856 | fw_event->ignore) | |
2857 | continue; | |
2858 | local_event_data = fw_event->event_data; | |
2859 | if (local_event_data->ExpStatus == | |
2860 | MPI2_EVENT_SAS_TOPO_ES_ADDED || | |
2861 | local_event_data->ExpStatus == | |
2862 | MPI2_EVENT_SAS_TOPO_ES_RESPONDING) { | |
2863 | if (le16_to_cpu(local_event_data->ExpanderDevHandle) == | |
2864 | expander_handle) { | |
2865 | dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT | |
2866 | "setting ignoring flag\n", ioc->name)); | |
2867 | fw_event->ignore = 1; | |
2868 | } | |
2869 | } | |
2870 | } | |
2871 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
2872 | } | |
2873 | ||
635374e7 EM |
2874 | /** |
2875 | * _scsih_flush_running_cmds - completing outstanding commands. | |
2876 | * @ioc: per adapter object | |
2877 | * | |
2878 | * The flushing out of all pending scmd commands following host reset, | |
2879 | * where all IO is dropped to the floor. | |
2880 | * | |
2881 | * Return nothing. | |
2882 | */ | |
2883 | static void | |
2884 | _scsih_flush_running_cmds(struct MPT2SAS_ADAPTER *ioc) | |
2885 | { | |
2886 | struct scsi_cmnd *scmd; | |
2887 | u16 smid; | |
2888 | u16 count = 0; | |
2889 | ||
595bb0bd KD |
2890 | for (smid = 1; smid <= ioc->scsiio_depth; smid++) { |
2891 | scmd = _scsih_scsi_lookup_get(ioc, smid); | |
635374e7 EM |
2892 | if (!scmd) |
2893 | continue; | |
2894 | count++; | |
2895 | mpt2sas_base_free_smid(ioc, smid); | |
2896 | scsi_dma_unmap(scmd); | |
2897 | scmd->result = DID_RESET << 16; | |
2898 | scmd->scsi_done(scmd); | |
2899 | } | |
2900 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "completing %d cmds\n", | |
2901 | ioc->name, count)); | |
2902 | } | |
2903 | ||
3c621b3e EM |
2904 | /** |
2905 | * _scsih_setup_eedp - setup MPI request for EEDP transfer | |
2906 | * @scmd: pointer to scsi command object | |
2907 | * @mpi_request: pointer to the SCSI_IO reqest message frame | |
2908 | * | |
2909 | * Supporting protection 1 and 3. | |
2910 | * | |
2911 | * Returns nothing | |
2912 | */ | |
2913 | static void | |
2914 | _scsih_setup_eedp(struct scsi_cmnd *scmd, Mpi2SCSIIORequest_t *mpi_request) | |
2915 | { | |
2916 | u16 eedp_flags; | |
2917 | unsigned char prot_op = scsi_get_prot_op(scmd); | |
2918 | unsigned char prot_type = scsi_get_prot_type(scmd); | |
2919 | ||
2920 | if (prot_type == SCSI_PROT_DIF_TYPE0 || | |
2921 | prot_type == SCSI_PROT_DIF_TYPE2 || | |
2922 | prot_op == SCSI_PROT_NORMAL) | |
2923 | return; | |
2924 | ||
2925 | if (prot_op == SCSI_PROT_READ_STRIP) | |
2926 | eedp_flags = MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP; | |
2927 | else if (prot_op == SCSI_PROT_WRITE_INSERT) | |
2928 | eedp_flags = MPI2_SCSIIO_EEDPFLAGS_INSERT_OP; | |
2929 | else | |
2930 | return; | |
2931 | ||
3c621b3e EM |
2932 | switch (prot_type) { |
2933 | case SCSI_PROT_DIF_TYPE1: | |
2934 | ||
2935 | /* | |
2936 | * enable ref/guard checking | |
2937 | * auto increment ref tag | |
2938 | */ | |
463217bf | 2939 | eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG | |
3c621b3e EM |
2940 | MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG | |
2941 | MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD; | |
2942 | mpi_request->CDB.EEDP32.PrimaryReferenceTag = | |
2943 | cpu_to_be32(scsi_get_lba(scmd)); | |
2944 | ||
2945 | break; | |
2946 | ||
2947 | case SCSI_PROT_DIF_TYPE3: | |
2948 | ||
2949 | /* | |
2950 | * enable guard checking | |
2951 | */ | |
463217bf | 2952 | eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD; |
3c621b3e EM |
2953 | break; |
2954 | } | |
463217bf KD |
2955 | mpi_request->EEDPBlockSize = cpu_to_le32(scmd->device->sector_size); |
2956 | mpi_request->EEDPFlags = cpu_to_le16(eedp_flags); | |
3c621b3e EM |
2957 | } |
2958 | ||
2959 | /** | |
2960 | * _scsih_eedp_error_handling - return sense code for EEDP errors | |
2961 | * @scmd: pointer to scsi command object | |
2962 | * @ioc_status: ioc status | |
2963 | * | |
2964 | * Returns nothing | |
2965 | */ | |
2966 | static void | |
2967 | _scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status) | |
2968 | { | |
2969 | u8 ascq; | |
2970 | u8 sk; | |
2971 | u8 host_byte; | |
2972 | ||
2973 | switch (ioc_status) { | |
2974 | case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: | |
2975 | ascq = 0x01; | |
2976 | break; | |
2977 | case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: | |
2978 | ascq = 0x02; | |
2979 | break; | |
2980 | case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: | |
2981 | ascq = 0x03; | |
2982 | break; | |
2983 | default: | |
2984 | ascq = 0x00; | |
2985 | break; | |
2986 | } | |
2987 | ||
2988 | if (scmd->sc_data_direction == DMA_TO_DEVICE) { | |
2989 | sk = ILLEGAL_REQUEST; | |
2990 | host_byte = DID_ABORT; | |
2991 | } else { | |
2992 | sk = ABORTED_COMMAND; | |
2993 | host_byte = DID_OK; | |
2994 | } | |
2995 | ||
2996 | scsi_build_sense_buffer(0, scmd->sense_buffer, sk, 0x10, ascq); | |
2997 | scmd->result = DRIVER_SENSE << 24 | (host_byte << 16) | | |
2998 | SAM_STAT_CHECK_CONDITION; | |
2999 | } | |
3000 | ||
635374e7 | 3001 | /** |
d5d135b3 | 3002 | * _scsih_qcmd - main scsi request entry point |
635374e7 EM |
3003 | * @scmd: pointer to scsi command object |
3004 | * @done: function pointer to be invoked on completion | |
3005 | * | |
3006 | * The callback index is set inside `ioc->scsi_io_cb_idx`. | |
3007 | * | |
3008 | * Returns 0 on success. If there's a failure, return either: | |
3009 | * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or | |
3010 | * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full | |
3011 | */ | |
3012 | static int | |
d5d135b3 | 3013 | _scsih_qcmd(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *)) |
635374e7 EM |
3014 | { |
3015 | struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); | |
3016 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
3017 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
3018 | Mpi2SCSIIORequest_t *mpi_request; | |
3019 | u32 mpi_control; | |
3020 | u16 smid; | |
635374e7 EM |
3021 | |
3022 | scmd->scsi_done = done; | |
3023 | sas_device_priv_data = scmd->device->hostdata; | |
3024 | if (!sas_device_priv_data) { | |
3025 | scmd->result = DID_NO_CONNECT << 16; | |
3026 | scmd->scsi_done(scmd); | |
3027 | return 0; | |
3028 | } | |
3029 | ||
3030 | sas_target_priv_data = sas_device_priv_data->sas_target; | |
3031 | if (!sas_target_priv_data || sas_target_priv_data->handle == | |
3032 | MPT2SAS_INVALID_DEVICE_HANDLE || sas_target_priv_data->deleted) { | |
3033 | scmd->result = DID_NO_CONNECT << 16; | |
3034 | scmd->scsi_done(scmd); | |
3035 | return 0; | |
3036 | } | |
3037 | ||
3038 | /* see if we are busy with task managment stuff */ | |
e4e7c7ed | 3039 | if (sas_device_priv_data->block || sas_target_priv_data->tm_busy) |
155dd4c7 KD |
3040 | return SCSI_MLQUEUE_DEVICE_BUSY; |
3041 | else if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress) | |
635374e7 | 3042 | return SCSI_MLQUEUE_HOST_BUSY; |
635374e7 EM |
3043 | |
3044 | if (scmd->sc_data_direction == DMA_FROM_DEVICE) | |
3045 | mpi_control = MPI2_SCSIIO_CONTROL_READ; | |
3046 | else if (scmd->sc_data_direction == DMA_TO_DEVICE) | |
3047 | mpi_control = MPI2_SCSIIO_CONTROL_WRITE; | |
3048 | else | |
3049 | mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER; | |
3050 | ||
3051 | /* set tags */ | |
3052 | if (!(sas_device_priv_data->flags & MPT_DEVICE_FLAGS_INIT)) { | |
3053 | if (scmd->device->tagged_supported) { | |
3054 | if (scmd->device->ordered_tags) | |
3055 | mpi_control |= MPI2_SCSIIO_CONTROL_ORDEREDQ; | |
3056 | else | |
3057 | mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ; | |
3058 | } else | |
3059 | /* MPI Revision I (UNIT = 0xA) - removed MPI2_SCSIIO_CONTROL_UNTAGGED */ | |
3060 | /* mpi_control |= MPI2_SCSIIO_CONTROL_UNTAGGED; | |
3061 | */ | |
3062 | mpi_control |= (0x500); | |
3063 | ||
3064 | } else | |
3065 | mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ; | |
3ed21525 KD |
3066 | /* Make sure Device is not raid volume */ |
3067 | if (!_scsih_is_raid(&scmd->device->sdev_gendev) && | |
3068 | sas_is_tlr_enabled(scmd->device)) | |
635374e7 EM |
3069 | mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON; |
3070 | ||
595bb0bd | 3071 | smid = mpt2sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd); |
635374e7 EM |
3072 | if (!smid) { |
3073 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
3074 | ioc->name, __func__); | |
3075 | goto out; | |
3076 | } | |
3077 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
3078 | memset(mpi_request, 0, sizeof(Mpi2SCSIIORequest_t)); | |
3c621b3e | 3079 | _scsih_setup_eedp(scmd, mpi_request); |
635374e7 EM |
3080 | mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; |
3081 | if (sas_device_priv_data->sas_target->flags & | |
3082 | MPT_TARGET_FLAGS_RAID_COMPONENT) | |
3083 | mpi_request->Function = MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; | |
3084 | else | |
3085 | mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; | |
3086 | mpi_request->DevHandle = | |
3087 | cpu_to_le16(sas_device_priv_data->sas_target->handle); | |
3088 | mpi_request->DataLength = cpu_to_le32(scsi_bufflen(scmd)); | |
3089 | mpi_request->Control = cpu_to_le32(mpi_control); | |
3090 | mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len); | |
3091 | mpi_request->MsgFlags = MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR; | |
3092 | mpi_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE; | |
3093 | mpi_request->SenseBufferLowAddress = | |
ec9472c7 | 3094 | mpt2sas_base_get_sense_buffer_dma(ioc, smid); |
635374e7 EM |
3095 | mpi_request->SGLOffset0 = offsetof(Mpi2SCSIIORequest_t, SGL) / 4; |
3096 | mpi_request->SGLFlags = cpu_to_le16(MPI2_SCSIIO_SGLFLAGS_TYPE_MPI + | |
3097 | MPI2_SCSIIO_SGLFLAGS_SYSTEM_ADDR); | |
7b936b02 KD |
3098 | mpi_request->VF_ID = 0; /* TODO */ |
3099 | mpi_request->VP_ID = 0; | |
635374e7 EM |
3100 | int_to_scsilun(sas_device_priv_data->lun, (struct scsi_lun *) |
3101 | mpi_request->LUN); | |
3102 | memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len); | |
3103 | ||
3104 | if (!mpi_request->DataLength) { | |
3105 | mpt2sas_base_build_zero_len_sge(ioc, &mpi_request->SGL); | |
3106 | } else { | |
3107 | if (_scsih_build_scatter_gather(ioc, scmd, smid)) { | |
3108 | mpt2sas_base_free_smid(ioc, smid); | |
3109 | goto out; | |
3110 | } | |
3111 | } | |
3112 | ||
7b936b02 | 3113 | mpt2sas_base_put_smid_scsi_io(ioc, smid, |
635374e7 EM |
3114 | sas_device_priv_data->sas_target->handle); |
3115 | return 0; | |
3116 | ||
3117 | out: | |
3118 | return SCSI_MLQUEUE_HOST_BUSY; | |
3119 | } | |
3120 | ||
3121 | /** | |
3122 | * _scsih_normalize_sense - normalize descriptor and fixed format sense data | |
3123 | * @sense_buffer: sense data returned by target | |
3124 | * @data: normalized skey/asc/ascq | |
3125 | * | |
3126 | * Return nothing. | |
3127 | */ | |
3128 | static void | |
3129 | _scsih_normalize_sense(char *sense_buffer, struct sense_info *data) | |
3130 | { | |
3131 | if ((sense_buffer[0] & 0x7F) >= 0x72) { | |
3132 | /* descriptor format */ | |
3133 | data->skey = sense_buffer[1] & 0x0F; | |
3134 | data->asc = sense_buffer[2]; | |
3135 | data->ascq = sense_buffer[3]; | |
3136 | } else { | |
3137 | /* fixed format */ | |
3138 | data->skey = sense_buffer[2] & 0x0F; | |
3139 | data->asc = sense_buffer[12]; | |
3140 | data->ascq = sense_buffer[13]; | |
3141 | } | |
3142 | } | |
3143 | ||
3144 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
3145 | /** | |
af901ca1 | 3146 | * _scsih_scsi_ioc_info - translated non-successfull SCSI_IO request |
635374e7 EM |
3147 | * @ioc: per adapter object |
3148 | * @scmd: pointer to scsi command object | |
3149 | * @mpi_reply: reply mf payload returned from firmware | |
3150 | * | |
3151 | * scsi_status - SCSI Status code returned from target device | |
3152 | * scsi_state - state info associated with SCSI_IO determined by ioc | |
3153 | * ioc_status - ioc supplied status info | |
3154 | * | |
3155 | * Return nothing. | |
3156 | */ | |
3157 | static void | |
3158 | _scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, | |
3159 | Mpi2SCSIIOReply_t *mpi_reply, u16 smid) | |
3160 | { | |
3161 | u32 response_info; | |
3162 | u8 *response_bytes; | |
3163 | u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & | |
3164 | MPI2_IOCSTATUS_MASK; | |
3165 | u8 scsi_state = mpi_reply->SCSIState; | |
3166 | u8 scsi_status = mpi_reply->SCSIStatus; | |
3167 | char *desc_ioc_state = NULL; | |
3168 | char *desc_scsi_status = NULL; | |
3169 | char *desc_scsi_state = ioc->tmp_string; | |
be9e8cd7 KD |
3170 | u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo); |
3171 | ||
3172 | if (log_info == 0x31170000) | |
3173 | return; | |
635374e7 EM |
3174 | |
3175 | switch (ioc_status) { | |
3176 | case MPI2_IOCSTATUS_SUCCESS: | |
3177 | desc_ioc_state = "success"; | |
3178 | break; | |
3179 | case MPI2_IOCSTATUS_INVALID_FUNCTION: | |
3180 | desc_ioc_state = "invalid function"; | |
3181 | break; | |
3182 | case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: | |
3183 | desc_ioc_state = "scsi recovered error"; | |
3184 | break; | |
3185 | case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE: | |
3186 | desc_ioc_state = "scsi invalid dev handle"; | |
3187 | break; | |
3188 | case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: | |
3189 | desc_ioc_state = "scsi device not there"; | |
3190 | break; | |
3191 | case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: | |
3192 | desc_ioc_state = "scsi data overrun"; | |
3193 | break; | |
3194 | case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: | |
3195 | desc_ioc_state = "scsi data underrun"; | |
3196 | break; | |
3197 | case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: | |
3198 | desc_ioc_state = "scsi io data error"; | |
3199 | break; | |
3200 | case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: | |
3201 | desc_ioc_state = "scsi protocol error"; | |
3202 | break; | |
3203 | case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: | |
3204 | desc_ioc_state = "scsi task terminated"; | |
3205 | break; | |
3206 | case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: | |
3207 | desc_ioc_state = "scsi residual mismatch"; | |
3208 | break; | |
3209 | case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: | |
3210 | desc_ioc_state = "scsi task mgmt failed"; | |
3211 | break; | |
3212 | case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: | |
3213 | desc_ioc_state = "scsi ioc terminated"; | |
3214 | break; | |
3215 | case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: | |
3216 | desc_ioc_state = "scsi ext terminated"; | |
3217 | break; | |
3c621b3e EM |
3218 | case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: |
3219 | desc_ioc_state = "eedp guard error"; | |
3220 | break; | |
3221 | case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: | |
3222 | desc_ioc_state = "eedp ref tag error"; | |
3223 | break; | |
3224 | case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: | |
3225 | desc_ioc_state = "eedp app tag error"; | |
3226 | break; | |
635374e7 EM |
3227 | default: |
3228 | desc_ioc_state = "unknown"; | |
3229 | break; | |
3230 | } | |
3231 | ||
3232 | switch (scsi_status) { | |
3233 | case MPI2_SCSI_STATUS_GOOD: | |
3234 | desc_scsi_status = "good"; | |
3235 | break; | |
3236 | case MPI2_SCSI_STATUS_CHECK_CONDITION: | |
3237 | desc_scsi_status = "check condition"; | |
3238 | break; | |
3239 | case MPI2_SCSI_STATUS_CONDITION_MET: | |
3240 | desc_scsi_status = "condition met"; | |
3241 | break; | |
3242 | case MPI2_SCSI_STATUS_BUSY: | |
3243 | desc_scsi_status = "busy"; | |
3244 | break; | |
3245 | case MPI2_SCSI_STATUS_INTERMEDIATE: | |
3246 | desc_scsi_status = "intermediate"; | |
3247 | break; | |
3248 | case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET: | |
3249 | desc_scsi_status = "intermediate condmet"; | |
3250 | break; | |
3251 | case MPI2_SCSI_STATUS_RESERVATION_CONFLICT: | |
3252 | desc_scsi_status = "reservation conflict"; | |
3253 | break; | |
3254 | case MPI2_SCSI_STATUS_COMMAND_TERMINATED: | |
3255 | desc_scsi_status = "command terminated"; | |
3256 | break; | |
3257 | case MPI2_SCSI_STATUS_TASK_SET_FULL: | |
3258 | desc_scsi_status = "task set full"; | |
3259 | break; | |
3260 | case MPI2_SCSI_STATUS_ACA_ACTIVE: | |
3261 | desc_scsi_status = "aca active"; | |
3262 | break; | |
3263 | case MPI2_SCSI_STATUS_TASK_ABORTED: | |
3264 | desc_scsi_status = "task aborted"; | |
3265 | break; | |
3266 | default: | |
3267 | desc_scsi_status = "unknown"; | |
3268 | break; | |
3269 | } | |
3270 | ||
3271 | desc_scsi_state[0] = '\0'; | |
3272 | if (!scsi_state) | |
3273 | desc_scsi_state = " "; | |
3274 | if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) | |
3275 | strcat(desc_scsi_state, "response info "); | |
3276 | if (scsi_state & MPI2_SCSI_STATE_TERMINATED) | |
3277 | strcat(desc_scsi_state, "state terminated "); | |
3278 | if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS) | |
3279 | strcat(desc_scsi_state, "no status "); | |
3280 | if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED) | |
3281 | strcat(desc_scsi_state, "autosense failed "); | |
3282 | if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) | |
3283 | strcat(desc_scsi_state, "autosense valid "); | |
3284 | ||
3285 | scsi_print_command(scmd); | |
3286 | printk(MPT2SAS_WARN_FMT "\tdev handle(0x%04x), " | |
3287 | "ioc_status(%s)(0x%04x), smid(%d)\n", ioc->name, | |
3288 | le16_to_cpu(mpi_reply->DevHandle), desc_ioc_state, | |
3289 | ioc_status, smid); | |
3290 | printk(MPT2SAS_WARN_FMT "\trequest_len(%d), underflow(%d), " | |
3291 | "resid(%d)\n", ioc->name, scsi_bufflen(scmd), scmd->underflow, | |
3292 | scsi_get_resid(scmd)); | |
3293 | printk(MPT2SAS_WARN_FMT "\ttag(%d), transfer_count(%d), " | |
3294 | "sc->result(0x%08x)\n", ioc->name, le16_to_cpu(mpi_reply->TaskTag), | |
3295 | le32_to_cpu(mpi_reply->TransferCount), scmd->result); | |
3296 | printk(MPT2SAS_WARN_FMT "\tscsi_status(%s)(0x%02x), " | |
3297 | "scsi_state(%s)(0x%02x)\n", ioc->name, desc_scsi_status, | |
3298 | scsi_status, desc_scsi_state, scsi_state); | |
3299 | ||
3300 | if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) { | |
3301 | struct sense_info data; | |
3302 | _scsih_normalize_sense(scmd->sense_buffer, &data); | |
3303 | printk(MPT2SAS_WARN_FMT "\t[sense_key,asc,ascq]: " | |
3304 | "[0x%02x,0x%02x,0x%02x]\n", ioc->name, data.skey, | |
3305 | data.asc, data.ascq); | |
3306 | } | |
3307 | ||
3308 | if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) { | |
3309 | response_info = le32_to_cpu(mpi_reply->ResponseInfo); | |
3310 | response_bytes = (u8 *)&response_info; | |
9982f594 | 3311 | _scsih_response_code(ioc, response_bytes[0]); |
635374e7 EM |
3312 | } |
3313 | } | |
3314 | #endif | |
3315 | ||
3316 | /** | |
3317 | * _scsih_smart_predicted_fault - illuminate Fault LED | |
3318 | * @ioc: per adapter object | |
3319 | * @handle: device handle | |
3320 | * | |
3321 | * Return nothing. | |
3322 | */ | |
3323 | static void | |
3324 | _scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
3325 | { | |
3326 | Mpi2SepReply_t mpi_reply; | |
3327 | Mpi2SepRequest_t mpi_request; | |
3328 | struct scsi_target *starget; | |
3329 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
3330 | Mpi2EventNotificationReply_t *event_reply; | |
3331 | Mpi2EventDataSasDeviceStatusChange_t *event_data; | |
3332 | struct _sas_device *sas_device; | |
3333 | ssize_t sz; | |
3334 | unsigned long flags; | |
3335 | ||
3336 | /* only handle non-raid devices */ | |
3337 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
3338 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
3339 | if (!sas_device) { | |
3340 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
3341 | return; | |
3342 | } | |
3343 | starget = sas_device->starget; | |
3344 | sas_target_priv_data = starget->hostdata; | |
3345 | ||
3346 | if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) || | |
3347 | ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))) { | |
3348 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
3349 | return; | |
3350 | } | |
3351 | starget_printk(KERN_WARNING, starget, "predicted fault\n"); | |
3352 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
3353 | ||
3354 | if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) { | |
3355 | memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t)); | |
3356 | mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR; | |
3357 | mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS; | |
3358 | mpi_request.SlotStatus = | |
3359 | MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT; | |
3360 | mpi_request.DevHandle = cpu_to_le16(handle); | |
3361 | mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS; | |
3362 | if ((mpt2sas_base_scsi_enclosure_processor(ioc, &mpi_reply, | |
3363 | &mpi_request)) != 0) { | |
3364 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3365 | ioc->name, __FILE__, __LINE__, __func__); | |
3366 | return; | |
3367 | } | |
3368 | ||
3369 | if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) { | |
3370 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT | |
3371 | "enclosure_processor: ioc_status (0x%04x), " | |
3372 | "loginfo(0x%08x)\n", ioc->name, | |
3373 | le16_to_cpu(mpi_reply.IOCStatus), | |
3374 | le32_to_cpu(mpi_reply.IOCLogInfo))); | |
3375 | return; | |
3376 | } | |
3377 | } | |
3378 | ||
3379 | /* insert into event log */ | |
3380 | sz = offsetof(Mpi2EventNotificationReply_t, EventData) + | |
3381 | sizeof(Mpi2EventDataSasDeviceStatusChange_t); | |
3382 | event_reply = kzalloc(sz, GFP_KERNEL); | |
3383 | if (!event_reply) { | |
3384 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3385 | ioc->name, __FILE__, __LINE__, __func__); | |
3386 | return; | |
3387 | } | |
3388 | ||
3389 | event_reply->Function = MPI2_FUNCTION_EVENT_NOTIFICATION; | |
3390 | event_reply->Event = | |
3391 | cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE); | |
3392 | event_reply->MsgLength = sz/4; | |
3393 | event_reply->EventDataLength = | |
3394 | cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t)/4); | |
3395 | event_data = (Mpi2EventDataSasDeviceStatusChange_t *) | |
3396 | event_reply->EventData; | |
3397 | event_data->ReasonCode = MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA; | |
3398 | event_data->ASC = 0x5D; | |
3399 | event_data->DevHandle = cpu_to_le16(handle); | |
3400 | event_data->SASAddress = cpu_to_le64(sas_target_priv_data->sas_address); | |
3401 | mpt2sas_ctl_add_to_event_log(ioc, event_reply); | |
3402 | kfree(event_reply); | |
3403 | } | |
3404 | ||
3405 | /** | |
d5d135b3 | 3406 | * _scsih_io_done - scsi request callback |
635374e7 EM |
3407 | * @ioc: per adapter object |
3408 | * @smid: system request message index | |
7b936b02 | 3409 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
3410 | * @reply: reply message frame(lower 32bit addr) |
3411 | * | |
77e63ed4 | 3412 | * Callback handler when using _scsih_qcmd. |
635374e7 | 3413 | * |
77e63ed4 KD |
3414 | * Return 1 meaning mf should be freed from _base_interrupt |
3415 | * 0 means the mf is freed from this function. | |
635374e7 | 3416 | */ |
77e63ed4 | 3417 | static u8 |
7b936b02 | 3418 | _scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) |
635374e7 EM |
3419 | { |
3420 | Mpi2SCSIIORequest_t *mpi_request; | |
3421 | Mpi2SCSIIOReply_t *mpi_reply; | |
3422 | struct scsi_cmnd *scmd; | |
3423 | u16 ioc_status; | |
3424 | u32 xfer_cnt; | |
3425 | u8 scsi_state; | |
3426 | u8 scsi_status; | |
3427 | u32 log_info; | |
3428 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
9982f594 | 3429 | u32 response_code = 0; |
635374e7 EM |
3430 | |
3431 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
595bb0bd | 3432 | scmd = _scsih_scsi_lookup_get(ioc, smid); |
635374e7 | 3433 | if (scmd == NULL) |
77e63ed4 | 3434 | return 1; |
635374e7 EM |
3435 | |
3436 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
3437 | ||
3438 | if (mpi_reply == NULL) { | |
3439 | scmd->result = DID_OK << 16; | |
3440 | goto out; | |
3441 | } | |
3442 | ||
3443 | sas_device_priv_data = scmd->device->hostdata; | |
3444 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target || | |
3445 | sas_device_priv_data->sas_target->deleted) { | |
3446 | scmd->result = DID_NO_CONNECT << 16; | |
3447 | goto out; | |
3448 | } | |
3449 | ||
3450 | /* turning off TLR */ | |
9982f594 KD |
3451 | scsi_state = mpi_reply->SCSIState; |
3452 | if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) | |
3453 | response_code = | |
3454 | le32_to_cpu(mpi_reply->ResponseInfo) & 0xFF; | |
635374e7 EM |
3455 | if (!sas_device_priv_data->tlr_snoop_check) { |
3456 | sas_device_priv_data->tlr_snoop_check++; | |
3ed21525 KD |
3457 | if (!_scsih_is_raid(&scmd->device->sdev_gendev) && |
3458 | sas_is_tlr_enabled(scmd->device) && | |
84f0b04a KD |
3459 | response_code == MPI2_SCSITASKMGMT_RSP_INVALID_FRAME) { |
3460 | sas_disable_tlr(scmd->device); | |
3461 | sdev_printk(KERN_INFO, scmd->device, "TLR disabled\n"); | |
3462 | } | |
635374e7 EM |
3463 | } |
3464 | ||
3465 | xfer_cnt = le32_to_cpu(mpi_reply->TransferCount); | |
3466 | scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt); | |
3467 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus); | |
3468 | if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) | |
3469 | log_info = le32_to_cpu(mpi_reply->IOCLogInfo); | |
3470 | else | |
3471 | log_info = 0; | |
3472 | ioc_status &= MPI2_IOCSTATUS_MASK; | |
635374e7 EM |
3473 | scsi_status = mpi_reply->SCSIStatus; |
3474 | ||
3475 | if (ioc_status == MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 && | |
3476 | (scsi_status == MPI2_SCSI_STATUS_BUSY || | |
3477 | scsi_status == MPI2_SCSI_STATUS_RESERVATION_CONFLICT || | |
3478 | scsi_status == MPI2_SCSI_STATUS_TASK_SET_FULL)) { | |
3479 | ioc_status = MPI2_IOCSTATUS_SUCCESS; | |
3480 | } | |
3481 | ||
3482 | if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) { | |
3483 | struct sense_info data; | |
3484 | const void *sense_data = mpt2sas_base_get_sense_buffer(ioc, | |
3485 | smid); | |
0d04df9b | 3486 | u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE, |
635374e7 | 3487 | le32_to_cpu(mpi_reply->SenseCount)); |
0d04df9b | 3488 | memcpy(scmd->sense_buffer, sense_data, sz); |
635374e7 EM |
3489 | _scsih_normalize_sense(scmd->sense_buffer, &data); |
3490 | /* failure prediction threshold exceeded */ | |
3491 | if (data.asc == 0x5D) | |
3492 | _scsih_smart_predicted_fault(ioc, | |
3493 | le16_to_cpu(mpi_reply->DevHandle)); | |
3494 | } | |
3495 | ||
3496 | switch (ioc_status) { | |
3497 | case MPI2_IOCSTATUS_BUSY: | |
3498 | case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES: | |
3499 | scmd->result = SAM_STAT_BUSY; | |
3500 | break; | |
3501 | ||
3502 | case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: | |
3503 | scmd->result = DID_NO_CONNECT << 16; | |
3504 | break; | |
3505 | ||
3506 | case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: | |
3507 | if (sas_device_priv_data->block) { | |
e4e7c7ed KD |
3508 | scmd->result = DID_TRANSPORT_DISRUPTED << 16; |
3509 | goto out; | |
635374e7 | 3510 | } |
635374e7 EM |
3511 | case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: |
3512 | case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: | |
3513 | scmd->result = DID_RESET << 16; | |
3514 | break; | |
3515 | ||
3516 | case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: | |
3517 | if ((xfer_cnt == 0) || (scmd->underflow > xfer_cnt)) | |
3518 | scmd->result = DID_SOFT_ERROR << 16; | |
3519 | else | |
3520 | scmd->result = (DID_OK << 16) | scsi_status; | |
3521 | break; | |
3522 | ||
3523 | case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: | |
3524 | scmd->result = (DID_OK << 16) | scsi_status; | |
3525 | ||
3526 | if ((scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)) | |
3527 | break; | |
3528 | ||
3529 | if (xfer_cnt < scmd->underflow) { | |
3530 | if (scsi_status == SAM_STAT_BUSY) | |
3531 | scmd->result = SAM_STAT_BUSY; | |
3532 | else | |
3533 | scmd->result = DID_SOFT_ERROR << 16; | |
3534 | } else if (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED | | |
3535 | MPI2_SCSI_STATE_NO_SCSI_STATUS)) | |
3536 | scmd->result = DID_SOFT_ERROR << 16; | |
3537 | else if (scsi_state & MPI2_SCSI_STATE_TERMINATED) | |
3538 | scmd->result = DID_RESET << 16; | |
3539 | else if (!xfer_cnt && scmd->cmnd[0] == REPORT_LUNS) { | |
3540 | mpi_reply->SCSIState = MPI2_SCSI_STATE_AUTOSENSE_VALID; | |
3541 | mpi_reply->SCSIStatus = SAM_STAT_CHECK_CONDITION; | |
3542 | scmd->result = (DRIVER_SENSE << 24) | | |
3543 | SAM_STAT_CHECK_CONDITION; | |
3544 | scmd->sense_buffer[0] = 0x70; | |
3545 | scmd->sense_buffer[2] = ILLEGAL_REQUEST; | |
3546 | scmd->sense_buffer[12] = 0x20; | |
3547 | scmd->sense_buffer[13] = 0; | |
3548 | } | |
3549 | break; | |
3550 | ||
3551 | case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: | |
3552 | scsi_set_resid(scmd, 0); | |
3553 | case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: | |
3554 | case MPI2_IOCSTATUS_SUCCESS: | |
3555 | scmd->result = (DID_OK << 16) | scsi_status; | |
9982f594 KD |
3556 | if (response_code == |
3557 | MPI2_SCSITASKMGMT_RSP_INVALID_FRAME || | |
3558 | (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED | | |
3559 | MPI2_SCSI_STATE_NO_SCSI_STATUS))) | |
635374e7 EM |
3560 | scmd->result = DID_SOFT_ERROR << 16; |
3561 | else if (scsi_state & MPI2_SCSI_STATE_TERMINATED) | |
3562 | scmd->result = DID_RESET << 16; | |
3563 | break; | |
3564 | ||
3c621b3e EM |
3565 | case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: |
3566 | case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: | |
3567 | case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: | |
3568 | _scsih_eedp_error_handling(scmd, ioc_status); | |
3569 | break; | |
635374e7 EM |
3570 | case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: |
3571 | case MPI2_IOCSTATUS_INVALID_FUNCTION: | |
3572 | case MPI2_IOCSTATUS_INVALID_SGL: | |
3573 | case MPI2_IOCSTATUS_INTERNAL_ERROR: | |
3574 | case MPI2_IOCSTATUS_INVALID_FIELD: | |
3575 | case MPI2_IOCSTATUS_INVALID_STATE: | |
3576 | case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: | |
3577 | case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: | |
3578 | default: | |
3579 | scmd->result = DID_SOFT_ERROR << 16; | |
3580 | break; | |
3581 | ||
3582 | } | |
3583 | ||
3584 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
3585 | if (scmd->result && (ioc->logging_level & MPT_DEBUG_REPLY)) | |
3586 | _scsih_scsi_ioc_info(ioc , scmd, mpi_reply, smid); | |
3587 | #endif | |
3588 | ||
3589 | out: | |
3590 | scsi_dma_unmap(scmd); | |
3591 | scmd->scsi_done(scmd); | |
77e63ed4 | 3592 | return 1; |
635374e7 EM |
3593 | } |
3594 | ||
635374e7 EM |
3595 | /** |
3596 | * _scsih_sas_host_refresh - refreshing sas host object contents | |
3597 | * @ioc: per adapter object | |
635374e7 EM |
3598 | * Context: user |
3599 | * | |
3600 | * During port enable, fw will send topology events for every device. Its | |
3601 | * possible that the handles may change from the previous setting, so this | |
3602 | * code keeping handles updating if changed. | |
3603 | * | |
3604 | * Return nothing. | |
3605 | */ | |
3606 | static void | |
c5e039be | 3607 | _scsih_sas_host_refresh(struct MPT2SAS_ADAPTER *ioc) |
635374e7 EM |
3608 | { |
3609 | u16 sz; | |
3610 | u16 ioc_status; | |
3611 | int i; | |
3612 | Mpi2ConfigReply_t mpi_reply; | |
3613 | Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL; | |
c5e039be | 3614 | u16 attached_handle; |
635374e7 EM |
3615 | |
3616 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT | |
3617 | "updating handles for sas_host(0x%016llx)\n", | |
3618 | ioc->name, (unsigned long long)ioc->sas_hba.sas_address)); | |
3619 | ||
3620 | sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys | |
3621 | * sizeof(Mpi2SasIOUnit0PhyData_t)); | |
3622 | sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL); | |
3623 | if (!sas_iounit_pg0) { | |
3624 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3625 | ioc->name, __FILE__, __LINE__, __func__); | |
3626 | return; | |
3627 | } | |
635374e7 | 3628 | |
c5e039be KD |
3629 | if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply, |
3630 | sas_iounit_pg0, sz)) != 0) | |
3631 | goto out; | |
3632 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; | |
3633 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) | |
3634 | goto out; | |
3635 | for (i = 0; i < ioc->sas_hba.num_phys ; i++) { | |
3636 | if (i == 0) | |
3637 | ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0-> | |
3638 | PhyData[0].ControllerDevHandle); | |
3639 | ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle; | |
3640 | attached_handle = le16_to_cpu(sas_iounit_pg0->PhyData[i]. | |
3641 | AttachedDevHandle); | |
3642 | mpt2sas_transport_update_links(ioc, ioc->sas_hba.sas_address, | |
3643 | attached_handle, i, sas_iounit_pg0->PhyData[i]. | |
3644 | NegotiatedLinkRate >> 4); | |
3645 | } | |
635374e7 EM |
3646 | out: |
3647 | kfree(sas_iounit_pg0); | |
3648 | } | |
3649 | ||
3650 | /** | |
3651 | * _scsih_sas_host_add - create sas host object | |
3652 | * @ioc: per adapter object | |
3653 | * | |
3654 | * Creating host side data object, stored in ioc->sas_hba | |
3655 | * | |
3656 | * Return nothing. | |
3657 | */ | |
3658 | static void | |
3659 | _scsih_sas_host_add(struct MPT2SAS_ADAPTER *ioc) | |
3660 | { | |
3661 | int i; | |
3662 | Mpi2ConfigReply_t mpi_reply; | |
3663 | Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL; | |
3664 | Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; | |
3665 | Mpi2SasPhyPage0_t phy_pg0; | |
3666 | Mpi2SasDevicePage0_t sas_device_pg0; | |
3667 | Mpi2SasEnclosurePage0_t enclosure_pg0; | |
3668 | u16 ioc_status; | |
3669 | u16 sz; | |
3670 | u16 device_missing_delay; | |
3671 | ||
3672 | mpt2sas_config_get_number_hba_phys(ioc, &ioc->sas_hba.num_phys); | |
3673 | if (!ioc->sas_hba.num_phys) { | |
3674 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3675 | ioc->name, __FILE__, __LINE__, __func__); | |
3676 | return; | |
3677 | } | |
3678 | ||
3679 | /* sas_iounit page 0 */ | |
3680 | sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys * | |
3681 | sizeof(Mpi2SasIOUnit0PhyData_t)); | |
3682 | sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL); | |
3683 | if (!sas_iounit_pg0) { | |
3684 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3685 | ioc->name, __FILE__, __LINE__, __func__); | |
3686 | return; | |
3687 | } | |
3688 | if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply, | |
3689 | sas_iounit_pg0, sz))) { | |
3690 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3691 | ioc->name, __FILE__, __LINE__, __func__); | |
3692 | goto out; | |
3693 | } | |
3694 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
3695 | MPI2_IOCSTATUS_MASK; | |
3696 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
3697 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3698 | ioc->name, __FILE__, __LINE__, __func__); | |
3699 | goto out; | |
3700 | } | |
3701 | ||
3702 | /* sas_iounit page 1 */ | |
3703 | sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys * | |
3704 | sizeof(Mpi2SasIOUnit1PhyData_t)); | |
3705 | sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); | |
3706 | if (!sas_iounit_pg1) { | |
3707 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3708 | ioc->name, __FILE__, __LINE__, __func__); | |
3709 | goto out; | |
3710 | } | |
3711 | if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, | |
3712 | sas_iounit_pg1, sz))) { | |
3713 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3714 | ioc->name, __FILE__, __LINE__, __func__); | |
3715 | goto out; | |
3716 | } | |
3717 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
3718 | MPI2_IOCSTATUS_MASK; | |
3719 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
3720 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3721 | ioc->name, __FILE__, __LINE__, __func__); | |
3722 | goto out; | |
3723 | } | |
3724 | ||
3725 | ioc->io_missing_delay = | |
3726 | le16_to_cpu(sas_iounit_pg1->IODeviceMissingDelay); | |
3727 | device_missing_delay = | |
3728 | le16_to_cpu(sas_iounit_pg1->ReportDeviceMissingDelay); | |
3729 | if (device_missing_delay & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16) | |
3730 | ioc->device_missing_delay = (device_missing_delay & | |
3731 | MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16; | |
3732 | else | |
3733 | ioc->device_missing_delay = device_missing_delay & | |
3734 | MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK; | |
3735 | ||
3736 | ioc->sas_hba.parent_dev = &ioc->shost->shost_gendev; | |
3737 | ioc->sas_hba.phy = kcalloc(ioc->sas_hba.num_phys, | |
3738 | sizeof(struct _sas_phy), GFP_KERNEL); | |
3739 | if (!ioc->sas_hba.phy) { | |
3740 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3741 | ioc->name, __FILE__, __LINE__, __func__); | |
3742 | goto out; | |
3743 | } | |
3744 | for (i = 0; i < ioc->sas_hba.num_phys ; i++) { | |
3745 | if ((mpt2sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0, | |
3746 | i))) { | |
3747 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3748 | ioc->name, __FILE__, __LINE__, __func__); | |
3749 | goto out; | |
3750 | } | |
3751 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
3752 | MPI2_IOCSTATUS_MASK; | |
3753 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
3754 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3755 | ioc->name, __FILE__, __LINE__, __func__); | |
3756 | goto out; | |
3757 | } | |
c5e039be KD |
3758 | |
3759 | if (i == 0) | |
3760 | ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0-> | |
3761 | PhyData[0].ControllerDevHandle); | |
3762 | ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle; | |
635374e7 EM |
3763 | ioc->sas_hba.phy[i].phy_id = i; |
3764 | mpt2sas_transport_add_host_phy(ioc, &ioc->sas_hba.phy[i], | |
3765 | phy_pg0, ioc->sas_hba.parent_dev); | |
3766 | } | |
3767 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
c5e039be | 3768 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, ioc->sas_hba.handle))) { |
635374e7 EM |
3769 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
3770 | ioc->name, __FILE__, __LINE__, __func__); | |
3771 | goto out; | |
3772 | } | |
635374e7 EM |
3773 | ioc->sas_hba.enclosure_handle = |
3774 | le16_to_cpu(sas_device_pg0.EnclosureHandle); | |
3775 | ioc->sas_hba.sas_address = le64_to_cpu(sas_device_pg0.SASAddress); | |
3776 | printk(MPT2SAS_INFO_FMT "host_add: handle(0x%04x), " | |
3777 | "sas_addr(0x%016llx), phys(%d)\n", ioc->name, ioc->sas_hba.handle, | |
3778 | (unsigned long long) ioc->sas_hba.sas_address, | |
3779 | ioc->sas_hba.num_phys) ; | |
3780 | ||
3781 | if (ioc->sas_hba.enclosure_handle) { | |
3782 | if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply, | |
3783 | &enclosure_pg0, | |
3784 | MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, | |
3785 | ioc->sas_hba.enclosure_handle))) { | |
3786 | ioc->sas_hba.enclosure_logical_id = | |
3787 | le64_to_cpu(enclosure_pg0.EnclosureLogicalID); | |
3788 | } | |
3789 | } | |
3790 | ||
3791 | out: | |
3792 | kfree(sas_iounit_pg1); | |
3793 | kfree(sas_iounit_pg0); | |
3794 | } | |
3795 | ||
3796 | /** | |
3797 | * _scsih_expander_add - creating expander object | |
3798 | * @ioc: per adapter object | |
3799 | * @handle: expander handle | |
3800 | * | |
3801 | * Creating expander object, stored in ioc->sas_expander_list. | |
3802 | * | |
3803 | * Return 0 for success, else error. | |
3804 | */ | |
3805 | static int | |
3806 | _scsih_expander_add(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
3807 | { | |
3808 | struct _sas_node *sas_expander; | |
3809 | Mpi2ConfigReply_t mpi_reply; | |
3810 | Mpi2ExpanderPage0_t expander_pg0; | |
3811 | Mpi2ExpanderPage1_t expander_pg1; | |
3812 | Mpi2SasEnclosurePage0_t enclosure_pg0; | |
3813 | u32 ioc_status; | |
3814 | u16 parent_handle; | |
c5e039be | 3815 | __le64 sas_address, sas_address_parent = 0; |
635374e7 EM |
3816 | int i; |
3817 | unsigned long flags; | |
20f5895d | 3818 | struct _sas_port *mpt2sas_port = NULL; |
635374e7 EM |
3819 | int rc = 0; |
3820 | ||
3821 | if (!handle) | |
3822 | return -1; | |
3823 | ||
155dd4c7 KD |
3824 | if (ioc->shost_recovery) |
3825 | return -1; | |
3826 | ||
635374e7 EM |
3827 | if ((mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, |
3828 | MPI2_SAS_EXPAND_PGAD_FORM_HNDL, handle))) { | |
3829 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3830 | ioc->name, __FILE__, __LINE__, __func__); | |
3831 | return -1; | |
3832 | } | |
3833 | ||
3834 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
3835 | MPI2_IOCSTATUS_MASK; | |
3836 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
3837 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3838 | ioc->name, __FILE__, __LINE__, __func__); | |
3839 | return -1; | |
3840 | } | |
3841 | ||
3842 | /* handle out of order topology events */ | |
3843 | parent_handle = le16_to_cpu(expander_pg0.ParentDevHandle); | |
c5e039be KD |
3844 | if (_scsih_get_sas_address(ioc, parent_handle, &sas_address_parent) |
3845 | != 0) { | |
3846 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3847 | ioc->name, __FILE__, __LINE__, __func__); | |
3848 | return -1; | |
3849 | } | |
3850 | if (sas_address_parent != ioc->sas_hba.sas_address) { | |
635374e7 | 3851 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
c5e039be KD |
3852 | sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc, |
3853 | sas_address_parent); | |
635374e7 EM |
3854 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
3855 | if (!sas_expander) { | |
3856 | rc = _scsih_expander_add(ioc, parent_handle); | |
3857 | if (rc != 0) | |
3858 | return rc; | |
3859 | } | |
3860 | } | |
3861 | ||
635374e7 | 3862 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
595bb0bd | 3863 | sas_address = le64_to_cpu(expander_pg0.SASAddress); |
635374e7 EM |
3864 | sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc, |
3865 | sas_address); | |
3866 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
3867 | ||
3868 | if (sas_expander) | |
3869 | return 0; | |
3870 | ||
3871 | sas_expander = kzalloc(sizeof(struct _sas_node), | |
3872 | GFP_KERNEL); | |
3873 | if (!sas_expander) { | |
3874 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3875 | ioc->name, __FILE__, __LINE__, __func__); | |
3876 | return -1; | |
3877 | } | |
3878 | ||
3879 | sas_expander->handle = handle; | |
3880 | sas_expander->num_phys = expander_pg0.NumPhys; | |
c5e039be | 3881 | sas_expander->sas_address_parent = sas_address_parent; |
635374e7 EM |
3882 | sas_expander->sas_address = sas_address; |
3883 | ||
3884 | printk(MPT2SAS_INFO_FMT "expander_add: handle(0x%04x)," | |
3885 | " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc->name, | |
c5e039be | 3886 | handle, parent_handle, (unsigned long long) |
635374e7 EM |
3887 | sas_expander->sas_address, sas_expander->num_phys); |
3888 | ||
3889 | if (!sas_expander->num_phys) | |
3890 | goto out_fail; | |
3891 | sas_expander->phy = kcalloc(sas_expander->num_phys, | |
3892 | sizeof(struct _sas_phy), GFP_KERNEL); | |
3893 | if (!sas_expander->phy) { | |
3894 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3895 | ioc->name, __FILE__, __LINE__, __func__); | |
3896 | rc = -1; | |
3897 | goto out_fail; | |
3898 | } | |
3899 | ||
3900 | INIT_LIST_HEAD(&sas_expander->sas_port_list); | |
3901 | mpt2sas_port = mpt2sas_transport_port_add(ioc, handle, | |
c5e039be | 3902 | sas_address_parent); |
635374e7 EM |
3903 | if (!mpt2sas_port) { |
3904 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3905 | ioc->name, __FILE__, __LINE__, __func__); | |
3906 | rc = -1; | |
3907 | goto out_fail; | |
3908 | } | |
3909 | sas_expander->parent_dev = &mpt2sas_port->rphy->dev; | |
3910 | ||
3911 | for (i = 0 ; i < sas_expander->num_phys ; i++) { | |
3912 | if ((mpt2sas_config_get_expander_pg1(ioc, &mpi_reply, | |
3913 | &expander_pg1, i, handle))) { | |
3914 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3915 | ioc->name, __FILE__, __LINE__, __func__); | |
20f5895d KD |
3916 | rc = -1; |
3917 | goto out_fail; | |
635374e7 EM |
3918 | } |
3919 | sas_expander->phy[i].handle = handle; | |
3920 | sas_expander->phy[i].phy_id = i; | |
20f5895d KD |
3921 | |
3922 | if ((mpt2sas_transport_add_expander_phy(ioc, | |
3923 | &sas_expander->phy[i], expander_pg1, | |
3924 | sas_expander->parent_dev))) { | |
3925 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
3926 | ioc->name, __FILE__, __LINE__, __func__); | |
3927 | rc = -1; | |
3928 | goto out_fail; | |
3929 | } | |
635374e7 EM |
3930 | } |
3931 | ||
3932 | if (sas_expander->enclosure_handle) { | |
3933 | if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply, | |
3934 | &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, | |
3935 | sas_expander->enclosure_handle))) { | |
3936 | sas_expander->enclosure_logical_id = | |
3937 | le64_to_cpu(enclosure_pg0.EnclosureLogicalID); | |
3938 | } | |
3939 | } | |
3940 | ||
3941 | _scsih_expander_node_add(ioc, sas_expander); | |
3942 | return 0; | |
3943 | ||
3944 | out_fail: | |
3945 | ||
20f5895d KD |
3946 | if (mpt2sas_port) |
3947 | mpt2sas_transport_port_remove(ioc, sas_expander->sas_address, | |
c5e039be | 3948 | sas_address_parent); |
635374e7 EM |
3949 | kfree(sas_expander); |
3950 | return rc; | |
3951 | } | |
3952 | ||
744090d3 KD |
3953 | /** |
3954 | * _scsih_done - scsih callback handler. | |
3955 | * @ioc: per adapter object | |
3956 | * @smid: system request message index | |
3957 | * @msix_index: MSIX table index supplied by the OS | |
3958 | * @reply: reply message frame(lower 32bit addr) | |
3959 | * | |
3960 | * Callback handler when sending internal generated message frames. | |
3961 | * The callback index passed is `ioc->scsih_cb_idx` | |
3962 | * | |
3963 | * Return 1 meaning mf should be freed from _base_interrupt | |
3964 | * 0 means the mf is freed from this function. | |
3965 | */ | |
3966 | static u8 | |
3967 | _scsih_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) | |
3968 | { | |
3969 | MPI2DefaultReply_t *mpi_reply; | |
3970 | ||
3971 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
3972 | if (ioc->scsih_cmds.status == MPT2_CMD_NOT_USED) | |
3973 | return 1; | |
3974 | if (ioc->scsih_cmds.smid != smid) | |
3975 | return 1; | |
3976 | ioc->scsih_cmds.status |= MPT2_CMD_COMPLETE; | |
3977 | if (mpi_reply) { | |
3978 | memcpy(ioc->scsih_cmds.reply, mpi_reply, | |
3979 | mpi_reply->MsgLength*4); | |
3980 | ioc->scsih_cmds.status |= MPT2_CMD_REPLY_VALID; | |
3981 | } | |
3982 | ioc->scsih_cmds.status &= ~MPT2_CMD_PENDING; | |
3983 | complete(&ioc->scsih_cmds.done); | |
3984 | return 1; | |
3985 | } | |
3986 | ||
635374e7 EM |
3987 | /** |
3988 | * _scsih_expander_remove - removing expander object | |
3989 | * @ioc: per adapter object | |
c5e039be | 3990 | * @sas_address: expander sas_address |
635374e7 EM |
3991 | * |
3992 | * Return nothing. | |
3993 | */ | |
3994 | static void | |
c5e039be | 3995 | _scsih_expander_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address) |
635374e7 EM |
3996 | { |
3997 | struct _sas_node *sas_expander; | |
3998 | unsigned long flags; | |
3999 | ||
155dd4c7 KD |
4000 | if (ioc->shost_recovery) |
4001 | return; | |
4002 | ||
635374e7 | 4003 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
c5e039be KD |
4004 | sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc, |
4005 | sas_address); | |
635374e7 EM |
4006 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
4007 | _scsih_expander_node_remove(ioc, sas_expander); | |
4008 | } | |
4009 | ||
4010 | /** | |
4011 | * _scsih_add_device - creating sas device object | |
4012 | * @ioc: per adapter object | |
4013 | * @handle: sas device handle | |
4014 | * @phy_num: phy number end device attached to | |
4015 | * @is_pd: is this hidden raid component | |
4016 | * | |
4017 | * Creating end device object, stored in ioc->sas_device_list. | |
4018 | * | |
4019 | * Returns 0 for success, non-zero for failure. | |
4020 | */ | |
4021 | static int | |
4022 | _scsih_add_device(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 phy_num, u8 is_pd) | |
4023 | { | |
4024 | Mpi2ConfigReply_t mpi_reply; | |
4025 | Mpi2SasDevicePage0_t sas_device_pg0; | |
4026 | Mpi2SasEnclosurePage0_t enclosure_pg0; | |
4027 | struct _sas_device *sas_device; | |
4028 | u32 ioc_status; | |
4029 | __le64 sas_address; | |
4030 | u32 device_info; | |
4031 | unsigned long flags; | |
4032 | ||
4033 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
4034 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { | |
4035 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4036 | ioc->name, __FILE__, __LINE__, __func__); | |
4037 | return -1; | |
4038 | } | |
4039 | ||
4040 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
4041 | MPI2_IOCSTATUS_MASK; | |
4042 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
4043 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4044 | ioc->name, __FILE__, __LINE__, __func__); | |
4045 | return -1; | |
4046 | } | |
4047 | ||
4048 | /* check if device is present */ | |
4049 | if (!(le16_to_cpu(sas_device_pg0.Flags) & | |
4050 | MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) { | |
4051 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4052 | ioc->name, __FILE__, __LINE__, __func__); | |
4053 | printk(MPT2SAS_ERR_FMT "Flags = 0x%04x\n", | |
4054 | ioc->name, le16_to_cpu(sas_device_pg0.Flags)); | |
4055 | return -1; | |
4056 | } | |
4057 | ||
4058 | /* check if there were any issus with discovery */ | |
4059 | if (sas_device_pg0.AccessStatus == | |
4060 | MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED) { | |
4061 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4062 | ioc->name, __FILE__, __LINE__, __func__); | |
4063 | printk(MPT2SAS_ERR_FMT "AccessStatus = 0x%02x\n", | |
4064 | ioc->name, sas_device_pg0.AccessStatus); | |
4065 | return -1; | |
4066 | } | |
4067 | ||
4068 | /* check if this is end device */ | |
4069 | device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); | |
4070 | if (!(_scsih_is_end_device(device_info))) { | |
4071 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4072 | ioc->name, __FILE__, __LINE__, __func__); | |
4073 | return -1; | |
4074 | } | |
4075 | ||
4076 | sas_address = le64_to_cpu(sas_device_pg0.SASAddress); | |
4077 | ||
4078 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
4079 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
4080 | sas_address); | |
4081 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4082 | ||
4083 | if (sas_device) { | |
4084 | _scsih_ublock_io_device(ioc, handle); | |
4085 | return 0; | |
4086 | } | |
4087 | ||
4088 | sas_device = kzalloc(sizeof(struct _sas_device), | |
4089 | GFP_KERNEL); | |
4090 | if (!sas_device) { | |
4091 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4092 | ioc->name, __FILE__, __LINE__, __func__); | |
4093 | return -1; | |
4094 | } | |
4095 | ||
4096 | sas_device->handle = handle; | |
c5e039be KD |
4097 | if (_scsih_get_sas_address(ioc, le16_to_cpu |
4098 | (sas_device_pg0.ParentDevHandle), | |
4099 | &sas_device->sas_address_parent) != 0) | |
4100 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4101 | ioc->name, __FILE__, __LINE__, __func__); | |
635374e7 EM |
4102 | sas_device->enclosure_handle = |
4103 | le16_to_cpu(sas_device_pg0.EnclosureHandle); | |
4104 | sas_device->slot = | |
4105 | le16_to_cpu(sas_device_pg0.Slot); | |
4106 | sas_device->device_info = device_info; | |
4107 | sas_device->sas_address = sas_address; | |
4108 | sas_device->hidden_raid_component = is_pd; | |
4109 | ||
4110 | /* get enclosure_logical_id */ | |
15052c9e KD |
4111 | if (sas_device->enclosure_handle && !(mpt2sas_config_get_enclosure_pg0( |
4112 | ioc, &mpi_reply, &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, | |
4113 | sas_device->enclosure_handle))) | |
635374e7 EM |
4114 | sas_device->enclosure_logical_id = |
4115 | le64_to_cpu(enclosure_pg0.EnclosureLogicalID); | |
635374e7 EM |
4116 | |
4117 | /* get device name */ | |
4118 | sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName); | |
4119 | ||
4120 | if (ioc->wait_for_port_enable_to_complete) | |
4121 | _scsih_sas_device_init_add(ioc, sas_device); | |
4122 | else | |
4123 | _scsih_sas_device_add(ioc, sas_device); | |
4124 | ||
4125 | return 0; | |
4126 | } | |
4127 | ||
4128 | /** | |
4129 | * _scsih_remove_device - removing sas device object | |
4130 | * @ioc: per adapter object | |
c5e039be | 4131 | * @sas_device: the sas_device object |
635374e7 EM |
4132 | * |
4133 | * Return nothing. | |
4134 | */ | |
4135 | static void | |
c5e039be KD |
4136 | _scsih_remove_device(struct MPT2SAS_ADAPTER *ioc, struct _sas_device |
4137 | *sas_device) | |
635374e7 EM |
4138 | { |
4139 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
635374e7 EM |
4140 | Mpi2SasIoUnitControlReply_t mpi_reply; |
4141 | Mpi2SasIoUnitControlRequest_t mpi_request; | |
c5e039be | 4142 | u16 device_handle, handle; |
635374e7 | 4143 | |
c5e039be | 4144 | if (!sas_device) |
635374e7 | 4145 | return; |
635374e7 | 4146 | |
c5e039be KD |
4147 | handle = sas_device->handle; |
4148 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter: handle(0x%04x)," | |
4149 | " sas_addr(0x%016llx)\n", ioc->name, __func__, handle, | |
4150 | (unsigned long long) sas_device->sas_address)); | |
635374e7 EM |
4151 | |
4152 | if (sas_device->starget && sas_device->starget->hostdata) { | |
4153 | sas_target_priv_data = sas_device->starget->hostdata; | |
4154 | sas_target_priv_data->deleted = 1; | |
4155 | } | |
635374e7 | 4156 | |
c5e039be | 4157 | if (ioc->remove_host || ioc->shost_recovery || !handle) |
635374e7 EM |
4158 | goto out; |
4159 | ||
77e63ed4 KD |
4160 | if ((sas_device->state & MPTSAS_STATE_TR_COMPLETE)) { |
4161 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "\tskip " | |
c5e039be KD |
4162 | "target_reset handle(0x%04x)\n", ioc->name, |
4163 | handle)); | |
77e63ed4 KD |
4164 | goto skip_tr; |
4165 | } | |
4166 | ||
635374e7 EM |
4167 | /* Target Reset to flush out all the outstanding IO */ |
4168 | device_handle = (sas_device->hidden_raid_component) ? | |
4169 | sas_device->volume_handle : handle; | |
4170 | if (device_handle) { | |
4171 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "issue target reset: " | |
4172 | "handle(0x%04x)\n", ioc->name, device_handle)); | |
4173 | mutex_lock(&ioc->tm_cmds.mutex); | |
4174 | mpt2sas_scsih_issue_tm(ioc, device_handle, 0, | |
4175 | MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 10); | |
4176 | ioc->tm_cmds.status = MPT2_CMD_NOT_USED; | |
4177 | mutex_unlock(&ioc->tm_cmds.mutex); | |
4178 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "issue target reset " | |
4179 | "done: handle(0x%04x)\n", ioc->name, device_handle)); | |
155dd4c7 KD |
4180 | if (ioc->shost_recovery) |
4181 | goto out; | |
635374e7 | 4182 | } |
77e63ed4 KD |
4183 | skip_tr: |
4184 | ||
4185 | if ((sas_device->state & MPTSAS_STATE_CNTRL_COMPLETE)) { | |
4186 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "\tskip " | |
4187 | "sas_cntrl handle(0x%04x)\n", ioc->name, handle)); | |
4188 | goto out; | |
4189 | } | |
635374e7 EM |
4190 | |
4191 | /* SAS_IO_UNIT_CNTR - send REMOVE_DEVICE */ | |
4192 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "sas_iounit: handle" | |
4193 | "(0x%04x)\n", ioc->name, handle)); | |
4194 | memset(&mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t)); | |
4195 | mpi_request.Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL; | |
4196 | mpi_request.Operation = MPI2_SAS_OP_REMOVE_DEVICE; | |
4197 | mpi_request.DevHandle = handle; | |
7b936b02 KD |
4198 | mpi_request.VF_ID = 0; /* TODO */ |
4199 | mpi_request.VP_ID = 0; | |
635374e7 EM |
4200 | if ((mpt2sas_base_sas_iounit_control(ioc, &mpi_reply, |
4201 | &mpi_request)) != 0) { | |
4202 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4203 | ioc->name, __FILE__, __LINE__, __func__); | |
4204 | } | |
4205 | ||
4206 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "sas_iounit: ioc_status" | |
4207 | "(0x%04x), loginfo(0x%08x)\n", ioc->name, | |
4208 | le16_to_cpu(mpi_reply.IOCStatus), | |
4209 | le32_to_cpu(mpi_reply.IOCLogInfo))); | |
4210 | ||
4211 | out: | |
34a03bef KD |
4212 | |
4213 | _scsih_ublock_io_device(ioc, handle); | |
4214 | ||
635374e7 | 4215 | mpt2sas_transport_port_remove(ioc, sas_device->sas_address, |
c5e039be | 4216 | sas_device->sas_address_parent); |
635374e7 EM |
4217 | |
4218 | printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), sas_addr" | |
c5e039be | 4219 | "(0x%016llx)\n", ioc->name, handle, |
635374e7 EM |
4220 | (unsigned long long) sas_device->sas_address); |
4221 | _scsih_sas_device_remove(ioc, sas_device); | |
4222 | ||
4223 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit: handle" | |
4224 | "(0x%04x)\n", ioc->name, __func__, handle)); | |
4225 | } | |
4226 | ||
4227 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
4228 | /** | |
4229 | * _scsih_sas_topology_change_event_debug - debug for topology event | |
4230 | * @ioc: per adapter object | |
4231 | * @event_data: event data payload | |
4232 | * Context: user. | |
4233 | */ | |
4234 | static void | |
4235 | _scsih_sas_topology_change_event_debug(struct MPT2SAS_ADAPTER *ioc, | |
4236 | Mpi2EventDataSasTopologyChangeList_t *event_data) | |
4237 | { | |
4238 | int i; | |
4239 | u16 handle; | |
4240 | u16 reason_code; | |
4241 | u8 phy_number; | |
4242 | char *status_str = NULL; | |
e7d59c17 | 4243 | u8 link_rate, prev_link_rate; |
635374e7 EM |
4244 | |
4245 | switch (event_data->ExpStatus) { | |
4246 | case MPI2_EVENT_SAS_TOPO_ES_ADDED: | |
4247 | status_str = "add"; | |
4248 | break; | |
4249 | case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING: | |
4250 | status_str = "remove"; | |
4251 | break; | |
4252 | case MPI2_EVENT_SAS_TOPO_ES_RESPONDING: | |
e7d59c17 | 4253 | case 0: |
635374e7 EM |
4254 | status_str = "responding"; |
4255 | break; | |
4256 | case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING: | |
4257 | status_str = "remove delay"; | |
4258 | break; | |
4259 | default: | |
4260 | status_str = "unknown status"; | |
4261 | break; | |
4262 | } | |
4263 | printk(MPT2SAS_DEBUG_FMT "sas topology change: (%s)\n", | |
4264 | ioc->name, status_str); | |
4265 | printk(KERN_DEBUG "\thandle(0x%04x), enclosure_handle(0x%04x) " | |
4266 | "start_phy(%02d), count(%d)\n", | |
4267 | le16_to_cpu(event_data->ExpanderDevHandle), | |
4268 | le16_to_cpu(event_data->EnclosureHandle), | |
4269 | event_data->StartPhyNum, event_data->NumEntries); | |
4270 | for (i = 0; i < event_data->NumEntries; i++) { | |
4271 | handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); | |
4272 | if (!handle) | |
4273 | continue; | |
4274 | phy_number = event_data->StartPhyNum + i; | |
4275 | reason_code = event_data->PHY[i].PhyStatus & | |
4276 | MPI2_EVENT_SAS_TOPO_RC_MASK; | |
4277 | switch (reason_code) { | |
4278 | case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: | |
e7d59c17 | 4279 | status_str = "target add"; |
635374e7 EM |
4280 | break; |
4281 | case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: | |
e7d59c17 | 4282 | status_str = "target remove"; |
635374e7 EM |
4283 | break; |
4284 | case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING: | |
e7d59c17 | 4285 | status_str = "delay target remove"; |
635374e7 EM |
4286 | break; |
4287 | case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: | |
e7d59c17 | 4288 | status_str = "link rate change"; |
635374e7 EM |
4289 | break; |
4290 | case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE: | |
e7d59c17 | 4291 | status_str = "target responding"; |
635374e7 EM |
4292 | break; |
4293 | default: | |
e7d59c17 | 4294 | status_str = "unknown"; |
635374e7 EM |
4295 | break; |
4296 | } | |
e7d59c17 KD |
4297 | link_rate = event_data->PHY[i].LinkRate >> 4; |
4298 | prev_link_rate = event_data->PHY[i].LinkRate & 0xF; | |
4299 | printk(KERN_DEBUG "\tphy(%02d), attached_handle(0x%04x): %s:" | |
4300 | " link rate: new(0x%02x), old(0x%02x)\n", phy_number, | |
4301 | handle, status_str, link_rate, prev_link_rate); | |
4302 | ||
635374e7 EM |
4303 | } |
4304 | } | |
4305 | #endif | |
4306 | ||
4307 | /** | |
4308 | * _scsih_sas_topology_change_event - handle topology changes | |
4309 | * @ioc: per adapter object | |
7b936b02 | 4310 | * @fw_event: The fw_event_work object |
635374e7 EM |
4311 | * Context: user. |
4312 | * | |
4313 | */ | |
4314 | static void | |
7b936b02 | 4315 | _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc, |
635374e7 EM |
4316 | struct fw_event_work *fw_event) |
4317 | { | |
4318 | int i; | |
4319 | u16 parent_handle, handle; | |
4320 | u16 reason_code; | |
4321 | u8 phy_number; | |
4322 | struct _sas_node *sas_expander; | |
c5e039be KD |
4323 | struct _sas_device *sas_device; |
4324 | u64 sas_address; | |
635374e7 | 4325 | unsigned long flags; |
e7d59c17 | 4326 | u8 link_rate, prev_link_rate; |
7b936b02 | 4327 | Mpi2EventDataSasTopologyChangeList_t *event_data = fw_event->event_data; |
635374e7 EM |
4328 | |
4329 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
4330 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) | |
4331 | _scsih_sas_topology_change_event_debug(ioc, event_data); | |
4332 | #endif | |
4333 | ||
c5e039be KD |
4334 | if (ioc->shost_recovery) |
4335 | return; | |
4336 | ||
635374e7 EM |
4337 | if (!ioc->sas_hba.num_phys) |
4338 | _scsih_sas_host_add(ioc); | |
4339 | else | |
c5e039be | 4340 | _scsih_sas_host_refresh(ioc); |
635374e7 EM |
4341 | |
4342 | if (fw_event->ignore) { | |
4343 | dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "ignoring expander " | |
4344 | "event\n", ioc->name)); | |
4345 | return; | |
4346 | } | |
4347 | ||
4348 | parent_handle = le16_to_cpu(event_data->ExpanderDevHandle); | |
4349 | ||
4350 | /* handle expander add */ | |
4351 | if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_ADDED) | |
4352 | if (_scsih_expander_add(ioc, parent_handle) != 0) | |
4353 | return; | |
4354 | ||
c5e039be KD |
4355 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
4356 | sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc, | |
4357 | parent_handle); | |
4358 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
4359 | if (sas_expander) | |
4360 | sas_address = sas_expander->sas_address; | |
4361 | else if (parent_handle < ioc->sas_hba.num_phys) | |
4362 | sas_address = ioc->sas_hba.sas_address; | |
4363 | else | |
4364 | return; | |
4365 | ||
635374e7 EM |
4366 | /* handle siblings events */ |
4367 | for (i = 0; i < event_data->NumEntries; i++) { | |
4368 | if (fw_event->ignore) { | |
4369 | dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "ignoring " | |
4370 | "expander event\n", ioc->name)); | |
4371 | return; | |
4372 | } | |
155dd4c7 KD |
4373 | if (ioc->shost_recovery) |
4374 | return; | |
308609c6 KD |
4375 | phy_number = event_data->StartPhyNum + i; |
4376 | reason_code = event_data->PHY[i].PhyStatus & | |
4377 | MPI2_EVENT_SAS_TOPO_RC_MASK; | |
4378 | if ((event_data->PHY[i].PhyStatus & | |
4379 | MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) && (reason_code != | |
4380 | MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)) | |
635374e7 EM |
4381 | continue; |
4382 | handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); | |
4383 | if (!handle) | |
4384 | continue; | |
c5e039be | 4385 | link_rate = event_data->PHY[i].LinkRate >> 4; |
e7d59c17 | 4386 | prev_link_rate = event_data->PHY[i].LinkRate & 0xF; |
635374e7 EM |
4387 | switch (reason_code) { |
4388 | case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: | |
e7d59c17 KD |
4389 | |
4390 | if (link_rate == prev_link_rate) | |
4391 | break; | |
4392 | ||
4393 | mpt2sas_transport_update_links(ioc, sas_address, | |
4394 | handle, phy_number, link_rate); | |
4395 | ||
4396 | if (link_rate >= MPI2_SAS_NEG_LINK_RATE_1_5) | |
4397 | _scsih_ublock_io_device(ioc, handle); | |
4398 | break; | |
635374e7 | 4399 | case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: |
c5e039be KD |
4400 | |
4401 | mpt2sas_transport_update_links(ioc, sas_address, | |
4402 | handle, phy_number, link_rate); | |
4403 | ||
e7d59c17 | 4404 | _scsih_add_device(ioc, handle, phy_number, 0); |
635374e7 EM |
4405 | break; |
4406 | case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: | |
c5e039be KD |
4407 | |
4408 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
4409 | sas_device = _scsih_sas_device_find_by_handle(ioc, | |
4410 | handle); | |
4411 | if (!sas_device) { | |
4412 | spin_unlock_irqrestore(&ioc->sas_device_lock, | |
4413 | flags); | |
4414 | break; | |
4415 | } | |
4416 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4417 | _scsih_remove_device(ioc, sas_device); | |
635374e7 EM |
4418 | break; |
4419 | } | |
4420 | } | |
4421 | ||
4422 | /* handle expander removal */ | |
c5e039be KD |
4423 | if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING && |
4424 | sas_expander) | |
4425 | _scsih_expander_remove(ioc, sas_address); | |
635374e7 EM |
4426 | |
4427 | } | |
4428 | ||
4429 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
4430 | /** | |
4431 | * _scsih_sas_device_status_change_event_debug - debug for device event | |
4432 | * @event_data: event data payload | |
4433 | * Context: user. | |
4434 | * | |
4435 | * Return nothing. | |
4436 | */ | |
4437 | static void | |
4438 | _scsih_sas_device_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc, | |
4439 | Mpi2EventDataSasDeviceStatusChange_t *event_data) | |
4440 | { | |
4441 | char *reason_str = NULL; | |
4442 | ||
4443 | switch (event_data->ReasonCode) { | |
4444 | case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA: | |
4445 | reason_str = "smart data"; | |
4446 | break; | |
4447 | case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED: | |
4448 | reason_str = "unsupported device discovered"; | |
4449 | break; | |
4450 | case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET: | |
4451 | reason_str = "internal device reset"; | |
4452 | break; | |
4453 | case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL: | |
4454 | reason_str = "internal task abort"; | |
4455 | break; | |
4456 | case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL: | |
4457 | reason_str = "internal task abort set"; | |
4458 | break; | |
4459 | case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL: | |
4460 | reason_str = "internal clear task set"; | |
4461 | break; | |
4462 | case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL: | |
4463 | reason_str = "internal query task"; | |
4464 | break; | |
4465 | case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE: | |
4466 | reason_str = "sata init failure"; | |
4467 | break; | |
4468 | case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET: | |
4469 | reason_str = "internal device reset complete"; | |
4470 | break; | |
4471 | case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL: | |
4472 | reason_str = "internal task abort complete"; | |
4473 | break; | |
4474 | case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION: | |
4475 | reason_str = "internal async notification"; | |
4476 | break; | |
ec6c2b43 KD |
4477 | case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY: |
4478 | reason_str = "expander reduced functionality"; | |
4479 | break; | |
4480 | case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY: | |
4481 | reason_str = "expander reduced functionality complete"; | |
4482 | break; | |
635374e7 EM |
4483 | default: |
4484 | reason_str = "unknown reason"; | |
4485 | break; | |
4486 | } | |
4487 | printk(MPT2SAS_DEBUG_FMT "device status change: (%s)\n" | |
4488 | "\thandle(0x%04x), sas address(0x%016llx)", ioc->name, | |
4489 | reason_str, le16_to_cpu(event_data->DevHandle), | |
4490 | (unsigned long long)le64_to_cpu(event_data->SASAddress)); | |
4491 | if (event_data->ReasonCode == MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA) | |
4492 | printk(MPT2SAS_DEBUG_FMT ", ASC(0x%x), ASCQ(0x%x)\n", ioc->name, | |
4493 | event_data->ASC, event_data->ASCQ); | |
4494 | printk(KERN_INFO "\n"); | |
4495 | } | |
4496 | #endif | |
4497 | ||
4498 | /** | |
4499 | * _scsih_sas_device_status_change_event - handle device status change | |
4500 | * @ioc: per adapter object | |
7b936b02 | 4501 | * @fw_event: The fw_event_work object |
635374e7 EM |
4502 | * Context: user. |
4503 | * | |
4504 | * Return nothing. | |
4505 | */ | |
4506 | static void | |
7b936b02 KD |
4507 | _scsih_sas_device_status_change_event(struct MPT2SAS_ADAPTER *ioc, |
4508 | struct fw_event_work *fw_event) | |
635374e7 | 4509 | { |
8ffc457e KD |
4510 | struct MPT2SAS_TARGET *target_priv_data; |
4511 | struct _sas_device *sas_device; | |
4512 | __le64 sas_address; | |
4513 | unsigned long flags; | |
4514 | Mpi2EventDataSasDeviceStatusChange_t *event_data = | |
4515 | fw_event->event_data; | |
4516 | ||
635374e7 EM |
4517 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
4518 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) | |
7b936b02 | 4519 | _scsih_sas_device_status_change_event_debug(ioc, |
8ffc457e | 4520 | event_data); |
635374e7 | 4521 | #endif |
8ffc457e KD |
4522 | |
4523 | if (!(event_data->ReasonCode == | |
4524 | MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET && | |
4525 | event_data->ReasonCode == | |
4526 | MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET)) | |
4527 | return; | |
4528 | ||
4529 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
4530 | sas_address = le64_to_cpu(event_data->SASAddress); | |
4531 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
4532 | sas_address); | |
4533 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4534 | ||
4535 | if (!sas_device || !sas_device->starget) | |
4536 | return; | |
4537 | ||
4538 | target_priv_data = sas_device->starget->hostdata; | |
4539 | if (!target_priv_data) | |
4540 | return; | |
4541 | ||
4542 | if (event_data->ReasonCode == | |
4543 | MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET) | |
4544 | target_priv_data->tm_busy = 1; | |
4545 | else | |
4546 | target_priv_data->tm_busy = 0; | |
635374e7 EM |
4547 | } |
4548 | ||
4549 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
4550 | /** | |
4551 | * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure event | |
4552 | * @ioc: per adapter object | |
4553 | * @event_data: event data payload | |
4554 | * Context: user. | |
4555 | * | |
4556 | * Return nothing. | |
4557 | */ | |
4558 | static void | |
4559 | _scsih_sas_enclosure_dev_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc, | |
4560 | Mpi2EventDataSasEnclDevStatusChange_t *event_data) | |
4561 | { | |
4562 | char *reason_str = NULL; | |
4563 | ||
4564 | switch (event_data->ReasonCode) { | |
4565 | case MPI2_EVENT_SAS_ENCL_RC_ADDED: | |
4566 | reason_str = "enclosure add"; | |
4567 | break; | |
4568 | case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING: | |
4569 | reason_str = "enclosure remove"; | |
4570 | break; | |
4571 | default: | |
4572 | reason_str = "unknown reason"; | |
4573 | break; | |
4574 | } | |
4575 | ||
4576 | printk(MPT2SAS_DEBUG_FMT "enclosure status change: (%s)\n" | |
4577 | "\thandle(0x%04x), enclosure logical id(0x%016llx)" | |
4578 | " number slots(%d)\n", ioc->name, reason_str, | |
4579 | le16_to_cpu(event_data->EnclosureHandle), | |
4580 | (unsigned long long)le64_to_cpu(event_data->EnclosureLogicalID), | |
4581 | le16_to_cpu(event_data->StartSlot)); | |
4582 | } | |
4583 | #endif | |
4584 | ||
4585 | /** | |
4586 | * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events | |
4587 | * @ioc: per adapter object | |
7b936b02 | 4588 | * @fw_event: The fw_event_work object |
635374e7 EM |
4589 | * Context: user. |
4590 | * | |
4591 | * Return nothing. | |
4592 | */ | |
4593 | static void | |
4594 | _scsih_sas_enclosure_dev_status_change_event(struct MPT2SAS_ADAPTER *ioc, | |
7b936b02 | 4595 | struct fw_event_work *fw_event) |
635374e7 EM |
4596 | { |
4597 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
4598 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) | |
4599 | _scsih_sas_enclosure_dev_status_change_event_debug(ioc, | |
7b936b02 | 4600 | fw_event->event_data); |
635374e7 EM |
4601 | #endif |
4602 | } | |
4603 | ||
4604 | /** | |
4605 | * _scsih_sas_broadcast_primative_event - handle broadcast events | |
4606 | * @ioc: per adapter object | |
7b936b02 | 4607 | * @fw_event: The fw_event_work object |
635374e7 EM |
4608 | * Context: user. |
4609 | * | |
4610 | * Return nothing. | |
4611 | */ | |
4612 | static void | |
7b936b02 KD |
4613 | _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc, |
4614 | struct fw_event_work *fw_event) | |
635374e7 EM |
4615 | { |
4616 | struct scsi_cmnd *scmd; | |
4617 | u16 smid, handle; | |
4618 | u32 lun; | |
4619 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
4620 | u32 termination_count; | |
4621 | u32 query_count; | |
4622 | Mpi2SCSITaskManagementReply_t *mpi_reply; | |
7b936b02 KD |
4623 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
4624 | Mpi2EventDataSasBroadcastPrimitive_t *event_data = fw_event->event_data; | |
4625 | #endif | |
463217bf | 4626 | u16 ioc_status; |
635374e7 EM |
4627 | dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "broadcast primative: " |
4628 | "phy number(%d), width(%d)\n", ioc->name, event_data->PhyNum, | |
4629 | event_data->PortWidth)); | |
635374e7 EM |
4630 | dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: enter\n", ioc->name, |
4631 | __func__)); | |
4632 | ||
4633 | mutex_lock(&ioc->tm_cmds.mutex); | |
4634 | termination_count = 0; | |
4635 | query_count = 0; | |
4636 | mpi_reply = ioc->tm_cmds.reply; | |
595bb0bd | 4637 | for (smid = 1; smid <= ioc->scsiio_depth; smid++) { |
635374e7 EM |
4638 | scmd = _scsih_scsi_lookup_get(ioc, smid); |
4639 | if (!scmd) | |
4640 | continue; | |
4641 | sas_device_priv_data = scmd->device->hostdata; | |
4642 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target) | |
4643 | continue; | |
4644 | /* skip hidden raid components */ | |
4645 | if (sas_device_priv_data->sas_target->flags & | |
4646 | MPT_TARGET_FLAGS_RAID_COMPONENT) | |
4647 | continue; | |
4648 | /* skip volumes */ | |
4649 | if (sas_device_priv_data->sas_target->flags & | |
4650 | MPT_TARGET_FLAGS_VOLUME) | |
4651 | continue; | |
4652 | ||
4653 | handle = sas_device_priv_data->sas_target->handle; | |
4654 | lun = sas_device_priv_data->lun; | |
4655 | query_count++; | |
4656 | ||
4657 | mpt2sas_scsih_issue_tm(ioc, handle, lun, | |
4658 | MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30); | |
8901cbb4 | 4659 | ioc->tm_cmds.status = MPT2_CMD_NOT_USED; |
463217bf KD |
4660 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) |
4661 | & MPI2_IOCSTATUS_MASK; | |
4662 | if ((ioc_status == MPI2_IOCSTATUS_SUCCESS) && | |
635374e7 EM |
4663 | (mpi_reply->ResponseCode == |
4664 | MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED || | |
4665 | mpi_reply->ResponseCode == | |
4666 | MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC)) | |
4667 | continue; | |
4668 | ||
4669 | mpt2sas_scsih_issue_tm(ioc, handle, lun, | |
8901cbb4 EM |
4670 | MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET, 0, 30); |
4671 | ioc->tm_cmds.status = MPT2_CMD_NOT_USED; | |
635374e7 EM |
4672 | termination_count += le32_to_cpu(mpi_reply->TerminationCount); |
4673 | } | |
635374e7 EM |
4674 | ioc->broadcast_aen_busy = 0; |
4675 | mutex_unlock(&ioc->tm_cmds.mutex); | |
4676 | ||
4677 | dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT | |
4678 | "%s - exit, query_count = %d termination_count = %d\n", | |
4679 | ioc->name, __func__, query_count, termination_count)); | |
4680 | } | |
4681 | ||
4682 | /** | |
4683 | * _scsih_sas_discovery_event - handle discovery events | |
4684 | * @ioc: per adapter object | |
7b936b02 | 4685 | * @fw_event: The fw_event_work object |
635374e7 EM |
4686 | * Context: user. |
4687 | * | |
4688 | * Return nothing. | |
4689 | */ | |
4690 | static void | |
7b936b02 KD |
4691 | _scsih_sas_discovery_event(struct MPT2SAS_ADAPTER *ioc, |
4692 | struct fw_event_work *fw_event) | |
635374e7 | 4693 | { |
7b936b02 KD |
4694 | Mpi2EventDataSasDiscovery_t *event_data = fw_event->event_data; |
4695 | ||
635374e7 EM |
4696 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
4697 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) { | |
4698 | printk(MPT2SAS_DEBUG_FMT "discovery event: (%s)", ioc->name, | |
4699 | (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ? | |
4700 | "start" : "stop"); | |
4701 | if (event_data->DiscoveryStatus) | |
595bb0bd KD |
4702 | printk("discovery_status(0x%08x)", |
4703 | le32_to_cpu(event_data->DiscoveryStatus)); | |
635374e7 EM |
4704 | printk("\n"); |
4705 | } | |
4706 | #endif | |
4707 | ||
4708 | if (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED && | |
4709 | !ioc->sas_hba.num_phys) | |
4710 | _scsih_sas_host_add(ioc); | |
4711 | } | |
4712 | ||
4713 | /** | |
4714 | * _scsih_reprobe_lun - reprobing lun | |
4715 | * @sdev: scsi device struct | |
4716 | * @no_uld_attach: sdev->no_uld_attach flag setting | |
4717 | * | |
4718 | **/ | |
4719 | static void | |
4720 | _scsih_reprobe_lun(struct scsi_device *sdev, void *no_uld_attach) | |
4721 | { | |
4722 | int rc; | |
4723 | ||
4724 | sdev->no_uld_attach = no_uld_attach ? 1 : 0; | |
4725 | sdev_printk(KERN_INFO, sdev, "%s raid component\n", | |
4726 | sdev->no_uld_attach ? "hidding" : "exposing"); | |
4727 | rc = scsi_device_reprobe(sdev); | |
4728 | } | |
4729 | ||
4730 | /** | |
4731 | * _scsih_reprobe_target - reprobing target | |
4732 | * @starget: scsi target struct | |
4733 | * @no_uld_attach: sdev->no_uld_attach flag setting | |
4734 | * | |
4735 | * Note: no_uld_attach flag determines whether the disk device is attached | |
4736 | * to block layer. A value of `1` means to not attach. | |
4737 | **/ | |
4738 | static void | |
4739 | _scsih_reprobe_target(struct scsi_target *starget, int no_uld_attach) | |
4740 | { | |
4741 | struct MPT2SAS_TARGET *sas_target_priv_data = starget->hostdata; | |
4742 | ||
4743 | if (no_uld_attach) | |
4744 | sas_target_priv_data->flags |= MPT_TARGET_FLAGS_RAID_COMPONENT; | |
4745 | else | |
4746 | sas_target_priv_data->flags &= ~MPT_TARGET_FLAGS_RAID_COMPONENT; | |
4747 | ||
4748 | starget_for_each_device(starget, no_uld_attach ? (void *)1 : NULL, | |
4749 | _scsih_reprobe_lun); | |
4750 | } | |
4751 | /** | |
4752 | * _scsih_sas_volume_add - add new volume | |
4753 | * @ioc: per adapter object | |
4754 | * @element: IR config element data | |
4755 | * Context: user. | |
4756 | * | |
4757 | * Return nothing. | |
4758 | */ | |
4759 | static void | |
4760 | _scsih_sas_volume_add(struct MPT2SAS_ADAPTER *ioc, | |
4761 | Mpi2EventIrConfigElement_t *element) | |
4762 | { | |
4763 | struct _raid_device *raid_device; | |
4764 | unsigned long flags; | |
4765 | u64 wwid; | |
4766 | u16 handle = le16_to_cpu(element->VolDevHandle); | |
4767 | int rc; | |
4768 | ||
635374e7 EM |
4769 | mpt2sas_config_get_volume_wwid(ioc, handle, &wwid); |
4770 | if (!wwid) { | |
4771 | printk(MPT2SAS_ERR_FMT | |
4772 | "failure at %s:%d/%s()!\n", ioc->name, | |
4773 | __FILE__, __LINE__, __func__); | |
4774 | return; | |
4775 | } | |
4776 | ||
4777 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
4778 | raid_device = _scsih_raid_device_find_by_wwid(ioc, wwid); | |
4779 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
4780 | ||
4781 | if (raid_device) | |
4782 | return; | |
4783 | ||
4784 | raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL); | |
4785 | if (!raid_device) { | |
4786 | printk(MPT2SAS_ERR_FMT | |
4787 | "failure at %s:%d/%s()!\n", ioc->name, | |
4788 | __FILE__, __LINE__, __func__); | |
4789 | return; | |
4790 | } | |
4791 | ||
4792 | raid_device->id = ioc->sas_id++; | |
4793 | raid_device->channel = RAID_CHANNEL; | |
4794 | raid_device->handle = handle; | |
4795 | raid_device->wwid = wwid; | |
4796 | _scsih_raid_device_add(ioc, raid_device); | |
4797 | if (!ioc->wait_for_port_enable_to_complete) { | |
4798 | rc = scsi_add_device(ioc->shost, RAID_CHANNEL, | |
4799 | raid_device->id, 0); | |
4800 | if (rc) | |
4801 | _scsih_raid_device_remove(ioc, raid_device); | |
4802 | } else | |
4803 | _scsih_determine_boot_device(ioc, raid_device, 1); | |
4804 | } | |
4805 | ||
4806 | /** | |
4807 | * _scsih_sas_volume_delete - delete volume | |
4808 | * @ioc: per adapter object | |
4809 | * @element: IR config element data | |
4810 | * Context: user. | |
4811 | * | |
4812 | * Return nothing. | |
4813 | */ | |
4814 | static void | |
4815 | _scsih_sas_volume_delete(struct MPT2SAS_ADAPTER *ioc, | |
4816 | Mpi2EventIrConfigElement_t *element) | |
4817 | { | |
4818 | struct _raid_device *raid_device; | |
4819 | u16 handle = le16_to_cpu(element->VolDevHandle); | |
4820 | unsigned long flags; | |
4821 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
4822 | ||
635374e7 EM |
4823 | spin_lock_irqsave(&ioc->raid_device_lock, flags); |
4824 | raid_device = _scsih_raid_device_find_by_handle(ioc, handle); | |
4825 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
4826 | if (!raid_device) | |
4827 | return; | |
4828 | if (raid_device->starget) { | |
4829 | sas_target_priv_data = raid_device->starget->hostdata; | |
4830 | sas_target_priv_data->deleted = 1; | |
4831 | scsi_remove_target(&raid_device->starget->dev); | |
4832 | } | |
4833 | _scsih_raid_device_remove(ioc, raid_device); | |
4834 | } | |
4835 | ||
4836 | /** | |
4837 | * _scsih_sas_pd_expose - expose pd component to /dev/sdX | |
4838 | * @ioc: per adapter object | |
4839 | * @element: IR config element data | |
4840 | * Context: user. | |
4841 | * | |
4842 | * Return nothing. | |
4843 | */ | |
4844 | static void | |
4845 | _scsih_sas_pd_expose(struct MPT2SAS_ADAPTER *ioc, | |
4846 | Mpi2EventIrConfigElement_t *element) | |
4847 | { | |
4848 | struct _sas_device *sas_device; | |
4849 | unsigned long flags; | |
4850 | u16 handle = le16_to_cpu(element->PhysDiskDevHandle); | |
4851 | ||
4852 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
4853 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
4854 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4855 | if (!sas_device) | |
4856 | return; | |
4857 | ||
4858 | /* exposing raid component */ | |
4859 | sas_device->volume_handle = 0; | |
4860 | sas_device->volume_wwid = 0; | |
4861 | sas_device->hidden_raid_component = 0; | |
4862 | _scsih_reprobe_target(sas_device->starget, 0); | |
4863 | } | |
4864 | ||
4865 | /** | |
4866 | * _scsih_sas_pd_hide - hide pd component from /dev/sdX | |
4867 | * @ioc: per adapter object | |
4868 | * @element: IR config element data | |
4869 | * Context: user. | |
4870 | * | |
4871 | * Return nothing. | |
4872 | */ | |
4873 | static void | |
4874 | _scsih_sas_pd_hide(struct MPT2SAS_ADAPTER *ioc, | |
4875 | Mpi2EventIrConfigElement_t *element) | |
4876 | { | |
4877 | struct _sas_device *sas_device; | |
4878 | unsigned long flags; | |
4879 | u16 handle = le16_to_cpu(element->PhysDiskDevHandle); | |
4880 | ||
4881 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
4882 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
4883 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4884 | if (!sas_device) | |
4885 | return; | |
4886 | ||
4887 | /* hiding raid component */ | |
4888 | mpt2sas_config_get_volume_handle(ioc, handle, | |
4889 | &sas_device->volume_handle); | |
4890 | mpt2sas_config_get_volume_wwid(ioc, sas_device->volume_handle, | |
4891 | &sas_device->volume_wwid); | |
4892 | sas_device->hidden_raid_component = 1; | |
4893 | _scsih_reprobe_target(sas_device->starget, 1); | |
4894 | } | |
4895 | ||
4896 | /** | |
4897 | * _scsih_sas_pd_delete - delete pd component | |
4898 | * @ioc: per adapter object | |
4899 | * @element: IR config element data | |
4900 | * Context: user. | |
4901 | * | |
4902 | * Return nothing. | |
4903 | */ | |
4904 | static void | |
4905 | _scsih_sas_pd_delete(struct MPT2SAS_ADAPTER *ioc, | |
4906 | Mpi2EventIrConfigElement_t *element) | |
4907 | { | |
4908 | struct _sas_device *sas_device; | |
4909 | unsigned long flags; | |
4910 | u16 handle = le16_to_cpu(element->PhysDiskDevHandle); | |
4911 | ||
4912 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
4913 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
4914 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4915 | if (!sas_device) | |
4916 | return; | |
c5e039be | 4917 | _scsih_remove_device(ioc, sas_device); |
635374e7 EM |
4918 | } |
4919 | ||
4920 | /** | |
4921 | * _scsih_sas_pd_add - remove pd component | |
4922 | * @ioc: per adapter object | |
4923 | * @element: IR config element data | |
4924 | * Context: user. | |
4925 | * | |
4926 | * Return nothing. | |
4927 | */ | |
4928 | static void | |
4929 | _scsih_sas_pd_add(struct MPT2SAS_ADAPTER *ioc, | |
4930 | Mpi2EventIrConfigElement_t *element) | |
4931 | { | |
4932 | struct _sas_device *sas_device; | |
4933 | unsigned long flags; | |
4934 | u16 handle = le16_to_cpu(element->PhysDiskDevHandle); | |
62727a7b KD |
4935 | Mpi2ConfigReply_t mpi_reply; |
4936 | Mpi2SasDevicePage0_t sas_device_pg0; | |
4937 | u32 ioc_status; | |
c5e039be KD |
4938 | u64 sas_address; |
4939 | u16 parent_handle; | |
635374e7 EM |
4940 | |
4941 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
4942 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
4943 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
62727a7b | 4944 | if (sas_device) { |
635374e7 | 4945 | sas_device->hidden_raid_component = 1; |
62727a7b KD |
4946 | return; |
4947 | } | |
4948 | ||
4949 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
4950 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { | |
4951 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4952 | ioc->name, __FILE__, __LINE__, __func__); | |
4953 | return; | |
4954 | } | |
4955 | ||
4956 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
4957 | MPI2_IOCSTATUS_MASK; | |
4958 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
4959 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4960 | ioc->name, __FILE__, __LINE__, __func__); | |
4961 | return; | |
4962 | } | |
4963 | ||
c5e039be KD |
4964 | parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); |
4965 | if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) | |
4966 | mpt2sas_transport_update_links(ioc, sas_address, handle, | |
4967 | sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5); | |
62727a7b KD |
4968 | |
4969 | _scsih_add_device(ioc, handle, 0, 1); | |
635374e7 EM |
4970 | } |
4971 | ||
4972 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
4973 | /** | |
4974 | * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events | |
4975 | * @ioc: per adapter object | |
4976 | * @event_data: event data payload | |
4977 | * Context: user. | |
4978 | * | |
4979 | * Return nothing. | |
4980 | */ | |
4981 | static void | |
4982 | _scsih_sas_ir_config_change_event_debug(struct MPT2SAS_ADAPTER *ioc, | |
4983 | Mpi2EventDataIrConfigChangeList_t *event_data) | |
4984 | { | |
4985 | Mpi2EventIrConfigElement_t *element; | |
4986 | u8 element_type; | |
4987 | int i; | |
4988 | char *reason_str = NULL, *element_str = NULL; | |
4989 | ||
4990 | element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; | |
4991 | ||
4992 | printk(MPT2SAS_DEBUG_FMT "raid config change: (%s), elements(%d)\n", | |
4993 | ioc->name, (le32_to_cpu(event_data->Flags) & | |
4994 | MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? | |
4995 | "foreign" : "native", event_data->NumElements); | |
4996 | for (i = 0; i < event_data->NumElements; i++, element++) { | |
4997 | switch (element->ReasonCode) { | |
4998 | case MPI2_EVENT_IR_CHANGE_RC_ADDED: | |
4999 | reason_str = "add"; | |
5000 | break; | |
5001 | case MPI2_EVENT_IR_CHANGE_RC_REMOVED: | |
5002 | reason_str = "remove"; | |
5003 | break; | |
5004 | case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE: | |
5005 | reason_str = "no change"; | |
5006 | break; | |
5007 | case MPI2_EVENT_IR_CHANGE_RC_HIDE: | |
5008 | reason_str = "hide"; | |
5009 | break; | |
5010 | case MPI2_EVENT_IR_CHANGE_RC_UNHIDE: | |
5011 | reason_str = "unhide"; | |
5012 | break; | |
5013 | case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: | |
5014 | reason_str = "volume_created"; | |
5015 | break; | |
5016 | case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: | |
5017 | reason_str = "volume_deleted"; | |
5018 | break; | |
5019 | case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: | |
5020 | reason_str = "pd_created"; | |
5021 | break; | |
5022 | case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: | |
5023 | reason_str = "pd_deleted"; | |
5024 | break; | |
5025 | default: | |
5026 | reason_str = "unknown reason"; | |
5027 | break; | |
5028 | } | |
5029 | element_type = le16_to_cpu(element->ElementFlags) & | |
5030 | MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK; | |
5031 | switch (element_type) { | |
5032 | case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT: | |
5033 | element_str = "volume"; | |
5034 | break; | |
5035 | case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT: | |
5036 | element_str = "phys disk"; | |
5037 | break; | |
5038 | case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT: | |
5039 | element_str = "hot spare"; | |
5040 | break; | |
5041 | default: | |
5042 | element_str = "unknown element"; | |
5043 | break; | |
5044 | } | |
5045 | printk(KERN_DEBUG "\t(%s:%s), vol handle(0x%04x), " | |
5046 | "pd handle(0x%04x), pd num(0x%02x)\n", element_str, | |
5047 | reason_str, le16_to_cpu(element->VolDevHandle), | |
5048 | le16_to_cpu(element->PhysDiskDevHandle), | |
5049 | element->PhysDiskNum); | |
5050 | } | |
5051 | } | |
5052 | #endif | |
5053 | ||
5054 | /** | |
5055 | * _scsih_sas_ir_config_change_event - handle ir configuration change events | |
5056 | * @ioc: per adapter object | |
7b936b02 | 5057 | * @fw_event: The fw_event_work object |
635374e7 EM |
5058 | * Context: user. |
5059 | * | |
5060 | * Return nothing. | |
5061 | */ | |
5062 | static void | |
7b936b02 KD |
5063 | _scsih_sas_ir_config_change_event(struct MPT2SAS_ADAPTER *ioc, |
5064 | struct fw_event_work *fw_event) | |
635374e7 EM |
5065 | { |
5066 | Mpi2EventIrConfigElement_t *element; | |
5067 | int i; | |
62727a7b | 5068 | u8 foreign_config; |
7b936b02 | 5069 | Mpi2EventDataIrConfigChangeList_t *event_data = fw_event->event_data; |
635374e7 EM |
5070 | |
5071 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
5072 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) | |
5073 | _scsih_sas_ir_config_change_event_debug(ioc, event_data); | |
5074 | ||
5075 | #endif | |
62727a7b KD |
5076 | foreign_config = (le32_to_cpu(event_data->Flags) & |
5077 | MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0; | |
635374e7 EM |
5078 | |
5079 | element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; | |
5080 | for (i = 0; i < event_data->NumElements; i++, element++) { | |
5081 | ||
5082 | switch (element->ReasonCode) { | |
5083 | case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: | |
5084 | case MPI2_EVENT_IR_CHANGE_RC_ADDED: | |
62727a7b KD |
5085 | if (!foreign_config) |
5086 | _scsih_sas_volume_add(ioc, element); | |
635374e7 EM |
5087 | break; |
5088 | case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: | |
5089 | case MPI2_EVENT_IR_CHANGE_RC_REMOVED: | |
62727a7b KD |
5090 | if (!foreign_config) |
5091 | _scsih_sas_volume_delete(ioc, element); | |
635374e7 EM |
5092 | break; |
5093 | case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: | |
5094 | _scsih_sas_pd_hide(ioc, element); | |
5095 | break; | |
5096 | case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: | |
5097 | _scsih_sas_pd_expose(ioc, element); | |
5098 | break; | |
5099 | case MPI2_EVENT_IR_CHANGE_RC_HIDE: | |
5100 | _scsih_sas_pd_add(ioc, element); | |
5101 | break; | |
5102 | case MPI2_EVENT_IR_CHANGE_RC_UNHIDE: | |
5103 | _scsih_sas_pd_delete(ioc, element); | |
5104 | break; | |
5105 | } | |
5106 | } | |
5107 | } | |
5108 | ||
5109 | /** | |
5110 | * _scsih_sas_ir_volume_event - IR volume event | |
5111 | * @ioc: per adapter object | |
7b936b02 | 5112 | * @fw_event: The fw_event_work object |
635374e7 EM |
5113 | * Context: user. |
5114 | * | |
5115 | * Return nothing. | |
5116 | */ | |
5117 | static void | |
7b936b02 KD |
5118 | _scsih_sas_ir_volume_event(struct MPT2SAS_ADAPTER *ioc, |
5119 | struct fw_event_work *fw_event) | |
635374e7 EM |
5120 | { |
5121 | u64 wwid; | |
5122 | unsigned long flags; | |
5123 | struct _raid_device *raid_device; | |
5124 | u16 handle; | |
5125 | u32 state; | |
5126 | int rc; | |
5127 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
7b936b02 | 5128 | Mpi2EventDataIrVolume_t *event_data = fw_event->event_data; |
635374e7 EM |
5129 | |
5130 | if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED) | |
5131 | return; | |
5132 | ||
5133 | handle = le16_to_cpu(event_data->VolDevHandle); | |
5134 | state = le32_to_cpu(event_data->NewValue); | |
5135 | dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle(0x%04x), " | |
5136 | "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle, | |
5137 | le32_to_cpu(event_data->PreviousValue), state)); | |
5138 | ||
5139 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
5140 | raid_device = _scsih_raid_device_find_by_handle(ioc, handle); | |
5141 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
5142 | ||
5143 | switch (state) { | |
5144 | case MPI2_RAID_VOL_STATE_MISSING: | |
5145 | case MPI2_RAID_VOL_STATE_FAILED: | |
5146 | if (!raid_device) | |
5147 | break; | |
5148 | if (raid_device->starget) { | |
5149 | sas_target_priv_data = raid_device->starget->hostdata; | |
5150 | sas_target_priv_data->deleted = 1; | |
5151 | scsi_remove_target(&raid_device->starget->dev); | |
5152 | } | |
5153 | _scsih_raid_device_remove(ioc, raid_device); | |
5154 | break; | |
5155 | ||
5156 | case MPI2_RAID_VOL_STATE_ONLINE: | |
5157 | case MPI2_RAID_VOL_STATE_DEGRADED: | |
5158 | case MPI2_RAID_VOL_STATE_OPTIMAL: | |
5159 | if (raid_device) | |
5160 | break; | |
5161 | ||
5162 | mpt2sas_config_get_volume_wwid(ioc, handle, &wwid); | |
5163 | if (!wwid) { | |
5164 | printk(MPT2SAS_ERR_FMT | |
5165 | "failure at %s:%d/%s()!\n", ioc->name, | |
5166 | __FILE__, __LINE__, __func__); | |
5167 | break; | |
5168 | } | |
5169 | ||
5170 | raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL); | |
5171 | if (!raid_device) { | |
5172 | printk(MPT2SAS_ERR_FMT | |
5173 | "failure at %s:%d/%s()!\n", ioc->name, | |
5174 | __FILE__, __LINE__, __func__); | |
5175 | break; | |
5176 | } | |
5177 | ||
5178 | raid_device->id = ioc->sas_id++; | |
5179 | raid_device->channel = RAID_CHANNEL; | |
5180 | raid_device->handle = handle; | |
5181 | raid_device->wwid = wwid; | |
5182 | _scsih_raid_device_add(ioc, raid_device); | |
5183 | rc = scsi_add_device(ioc->shost, RAID_CHANNEL, | |
5184 | raid_device->id, 0); | |
5185 | if (rc) | |
5186 | _scsih_raid_device_remove(ioc, raid_device); | |
5187 | break; | |
5188 | ||
5189 | case MPI2_RAID_VOL_STATE_INITIALIZING: | |
5190 | default: | |
5191 | break; | |
5192 | } | |
5193 | } | |
5194 | ||
5195 | /** | |
5196 | * _scsih_sas_ir_physical_disk_event - PD event | |
5197 | * @ioc: per adapter object | |
7b936b02 | 5198 | * @fw_event: The fw_event_work object |
635374e7 EM |
5199 | * Context: user. |
5200 | * | |
5201 | * Return nothing. | |
5202 | */ | |
5203 | static void | |
7b936b02 KD |
5204 | _scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER *ioc, |
5205 | struct fw_event_work *fw_event) | |
635374e7 | 5206 | { |
c5e039be | 5207 | u16 handle, parent_handle; |
635374e7 EM |
5208 | u32 state; |
5209 | struct _sas_device *sas_device; | |
5210 | unsigned long flags; | |
62727a7b KD |
5211 | Mpi2ConfigReply_t mpi_reply; |
5212 | Mpi2SasDevicePage0_t sas_device_pg0; | |
5213 | u32 ioc_status; | |
7b936b02 | 5214 | Mpi2EventDataIrPhysicalDisk_t *event_data = fw_event->event_data; |
c5e039be | 5215 | u64 sas_address; |
635374e7 EM |
5216 | |
5217 | if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED) | |
5218 | return; | |
5219 | ||
5220 | handle = le16_to_cpu(event_data->PhysDiskDevHandle); | |
5221 | state = le32_to_cpu(event_data->NewValue); | |
5222 | ||
5223 | dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle(0x%04x), " | |
5224 | "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle, | |
5225 | le32_to_cpu(event_data->PreviousValue), state)); | |
5226 | ||
5227 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
5228 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
5229 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
5230 | ||
5231 | switch (state) { | |
635374e7 EM |
5232 | case MPI2_RAID_PD_STATE_ONLINE: |
5233 | case MPI2_RAID_PD_STATE_DEGRADED: | |
5234 | case MPI2_RAID_PD_STATE_REBUILDING: | |
5235 | case MPI2_RAID_PD_STATE_OPTIMAL: | |
62727a7b | 5236 | if (sas_device) { |
635374e7 | 5237 | sas_device->hidden_raid_component = 1; |
62727a7b KD |
5238 | return; |
5239 | } | |
5240 | ||
5241 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, | |
5242 | &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, | |
5243 | handle))) { | |
5244 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
5245 | ioc->name, __FILE__, __LINE__, __func__); | |
5246 | return; | |
5247 | } | |
5248 | ||
5249 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
5250 | MPI2_IOCSTATUS_MASK; | |
5251 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
5252 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
5253 | ioc->name, __FILE__, __LINE__, __func__); | |
5254 | return; | |
5255 | } | |
5256 | ||
c5e039be KD |
5257 | parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); |
5258 | if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) | |
5259 | mpt2sas_transport_update_links(ioc, sas_address, handle, | |
5260 | sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5); | |
62727a7b KD |
5261 | |
5262 | _scsih_add_device(ioc, handle, 0, 1); | |
5263 | ||
635374e7 EM |
5264 | break; |
5265 | ||
62727a7b | 5266 | case MPI2_RAID_PD_STATE_OFFLINE: |
635374e7 EM |
5267 | case MPI2_RAID_PD_STATE_NOT_CONFIGURED: |
5268 | case MPI2_RAID_PD_STATE_NOT_COMPATIBLE: | |
5269 | case MPI2_RAID_PD_STATE_HOT_SPARE: | |
5270 | default: | |
5271 | break; | |
5272 | } | |
5273 | } | |
5274 | ||
5275 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
5276 | /** | |
5277 | * _scsih_sas_ir_operation_status_event_debug - debug for IR op event | |
5278 | * @ioc: per adapter object | |
5279 | * @event_data: event data payload | |
5280 | * Context: user. | |
5281 | * | |
5282 | * Return nothing. | |
5283 | */ | |
5284 | static void | |
5285 | _scsih_sas_ir_operation_status_event_debug(struct MPT2SAS_ADAPTER *ioc, | |
5286 | Mpi2EventDataIrOperationStatus_t *event_data) | |
5287 | { | |
5288 | char *reason_str = NULL; | |
5289 | ||
5290 | switch (event_data->RAIDOperation) { | |
5291 | case MPI2_EVENT_IR_RAIDOP_RESYNC: | |
5292 | reason_str = "resync"; | |
5293 | break; | |
5294 | case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION: | |
5295 | reason_str = "online capacity expansion"; | |
5296 | break; | |
5297 | case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK: | |
5298 | reason_str = "consistency check"; | |
5299 | break; | |
ec6c2b43 KD |
5300 | case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT: |
5301 | reason_str = "background init"; | |
5302 | break; | |
5303 | case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT: | |
5304 | reason_str = "make data consistent"; | |
635374e7 EM |
5305 | break; |
5306 | } | |
5307 | ||
ec6c2b43 KD |
5308 | if (!reason_str) |
5309 | return; | |
5310 | ||
635374e7 EM |
5311 | printk(MPT2SAS_INFO_FMT "raid operational status: (%s)" |
5312 | "\thandle(0x%04x), percent complete(%d)\n", | |
5313 | ioc->name, reason_str, | |
5314 | le16_to_cpu(event_data->VolDevHandle), | |
5315 | event_data->PercentComplete); | |
5316 | } | |
5317 | #endif | |
5318 | ||
5319 | /** | |
5320 | * _scsih_sas_ir_operation_status_event - handle RAID operation events | |
5321 | * @ioc: per adapter object | |
7b936b02 | 5322 | * @fw_event: The fw_event_work object |
635374e7 EM |
5323 | * Context: user. |
5324 | * | |
5325 | * Return nothing. | |
5326 | */ | |
5327 | static void | |
7b936b02 KD |
5328 | _scsih_sas_ir_operation_status_event(struct MPT2SAS_ADAPTER *ioc, |
5329 | struct fw_event_work *fw_event) | |
635374e7 | 5330 | { |
f7c95ef0 KD |
5331 | Mpi2EventDataIrOperationStatus_t *event_data = fw_event->event_data; |
5332 | static struct _raid_device *raid_device; | |
5333 | unsigned long flags; | |
5334 | u16 handle; | |
5335 | ||
635374e7 EM |
5336 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
5337 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) | |
7b936b02 | 5338 | _scsih_sas_ir_operation_status_event_debug(ioc, |
f7c95ef0 | 5339 | event_data); |
635374e7 | 5340 | #endif |
f7c95ef0 KD |
5341 | |
5342 | /* code added for raid transport support */ | |
5343 | if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) { | |
5344 | ||
5345 | handle = le16_to_cpu(event_data->VolDevHandle); | |
5346 | ||
5347 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
5348 | raid_device = _scsih_raid_device_find_by_handle(ioc, handle); | |
5349 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
5350 | ||
5351 | if (!raid_device) | |
5352 | return; | |
5353 | ||
5354 | if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) | |
5355 | raid_device->percent_complete = | |
5356 | event_data->PercentComplete; | |
5357 | } | |
635374e7 EM |
5358 | } |
5359 | ||
5360 | /** | |
5361 | * _scsih_task_set_full - handle task set full | |
5362 | * @ioc: per adapter object | |
7b936b02 | 5363 | * @fw_event: The fw_event_work object |
635374e7 EM |
5364 | * Context: user. |
5365 | * | |
5366 | * Throttle back qdepth. | |
5367 | */ | |
5368 | static void | |
7b936b02 KD |
5369 | _scsih_task_set_full(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work |
5370 | *fw_event) | |
635374e7 EM |
5371 | { |
5372 | unsigned long flags; | |
5373 | struct _sas_device *sas_device; | |
5374 | static struct _raid_device *raid_device; | |
5375 | struct scsi_device *sdev; | |
5376 | int depth; | |
5377 | u16 current_depth; | |
5378 | u16 handle; | |
5379 | int id, channel; | |
5380 | u64 sas_address; | |
7b936b02 | 5381 | Mpi2EventDataTaskSetFull_t *event_data = fw_event->event_data; |
635374e7 EM |
5382 | |
5383 | current_depth = le16_to_cpu(event_data->CurrentDepth); | |
5384 | handle = le16_to_cpu(event_data->DevHandle); | |
5385 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
5386 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
5387 | if (!sas_device) { | |
5388 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
5389 | return; | |
5390 | } | |
5391 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
5392 | id = sas_device->id; | |
5393 | channel = sas_device->channel; | |
5394 | sas_address = sas_device->sas_address; | |
5395 | ||
5396 | /* if hidden raid component, then change to volume characteristics */ | |
5397 | if (sas_device->hidden_raid_component && sas_device->volume_handle) { | |
5398 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
5399 | raid_device = _scsih_raid_device_find_by_handle( | |
5400 | ioc, sas_device->volume_handle); | |
5401 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
5402 | if (raid_device) { | |
5403 | id = raid_device->id; | |
5404 | channel = raid_device->channel; | |
5405 | handle = raid_device->handle; | |
5406 | sas_address = raid_device->wwid; | |
5407 | } | |
5408 | } | |
5409 | ||
5410 | if (ioc->logging_level & MPT_DEBUG_TASK_SET_FULL) | |
5411 | starget_printk(KERN_DEBUG, sas_device->starget, "task set " | |
5412 | "full: handle(0x%04x), sas_addr(0x%016llx), depth(%d)\n", | |
5413 | handle, (unsigned long long)sas_address, current_depth); | |
5414 | ||
5415 | shost_for_each_device(sdev, ioc->shost) { | |
5416 | if (sdev->id == id && sdev->channel == channel) { | |
5417 | if (current_depth > sdev->queue_depth) { | |
5418 | if (ioc->logging_level & | |
5419 | MPT_DEBUG_TASK_SET_FULL) | |
5420 | sdev_printk(KERN_INFO, sdev, "strange " | |
5421 | "observation, the queue depth is" | |
5422 | " (%d) meanwhile fw queue depth " | |
5423 | "is (%d)\n", sdev->queue_depth, | |
5424 | current_depth); | |
5425 | continue; | |
5426 | } | |
5427 | depth = scsi_track_queue_full(sdev, | |
5428 | current_depth - 1); | |
5429 | if (depth > 0) | |
5430 | sdev_printk(KERN_INFO, sdev, "Queue depth " | |
5431 | "reduced to (%d)\n", depth); | |
5432 | else if (depth < 0) | |
5433 | sdev_printk(KERN_INFO, sdev, "Tagged Command " | |
5434 | "Queueing is being disabled\n"); | |
5435 | else if (depth == 0) | |
5436 | if (ioc->logging_level & | |
5437 | MPT_DEBUG_TASK_SET_FULL) | |
5438 | sdev_printk(KERN_INFO, sdev, | |
5439 | "Queue depth not changed yet\n"); | |
5440 | } | |
5441 | } | |
5442 | } | |
5443 | ||
5444 | /** | |
5445 | * _scsih_mark_responding_sas_device - mark a sas_devices as responding | |
5446 | * @ioc: per adapter object | |
5447 | * @sas_address: sas address | |
5448 | * @slot: enclosure slot id | |
5449 | * @handle: device handle | |
5450 | * | |
5451 | * After host reset, find out whether devices are still responding. | |
5452 | * Used in _scsi_remove_unresponsive_sas_devices. | |
5453 | * | |
5454 | * Return nothing. | |
5455 | */ | |
5456 | static void | |
5457 | _scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, | |
5458 | u16 slot, u16 handle) | |
5459 | { | |
5460 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
5461 | struct scsi_target *starget; | |
5462 | struct _sas_device *sas_device; | |
5463 | unsigned long flags; | |
5464 | ||
5465 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
5466 | list_for_each_entry(sas_device, &ioc->sas_device_list, list) { | |
5467 | if (sas_device->sas_address == sas_address && | |
5468 | sas_device->slot == slot && sas_device->starget) { | |
5469 | sas_device->responding = 1; | |
77e63ed4 KD |
5470 | sas_device->state = 0; |
5471 | starget = sas_device->starget; | |
5472 | sas_target_priv_data = starget->hostdata; | |
5473 | sas_target_priv_data->tm_busy = 0; | |
635374e7 EM |
5474 | starget_printk(KERN_INFO, sas_device->starget, |
5475 | "handle(0x%04x), sas_addr(0x%016llx), enclosure " | |
5476 | "logical id(0x%016llx), slot(%d)\n", handle, | |
5477 | (unsigned long long)sas_device->sas_address, | |
5478 | (unsigned long long) | |
5479 | sas_device->enclosure_logical_id, | |
5480 | sas_device->slot); | |
5481 | if (sas_device->handle == handle) | |
5482 | goto out; | |
5483 | printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n", | |
5484 | sas_device->handle); | |
5485 | sas_device->handle = handle; | |
635374e7 EM |
5486 | sas_target_priv_data->handle = handle; |
5487 | goto out; | |
5488 | } | |
5489 | } | |
5490 | out: | |
5491 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
5492 | } | |
5493 | ||
5494 | /** | |
5495 | * _scsih_search_responding_sas_devices - | |
5496 | * @ioc: per adapter object | |
5497 | * | |
5498 | * After host reset, find out whether devices are still responding. | |
5499 | * If not remove. | |
5500 | * | |
5501 | * Return nothing. | |
5502 | */ | |
5503 | static void | |
5504 | _scsih_search_responding_sas_devices(struct MPT2SAS_ADAPTER *ioc) | |
5505 | { | |
5506 | Mpi2SasDevicePage0_t sas_device_pg0; | |
5507 | Mpi2ConfigReply_t mpi_reply; | |
5508 | u16 ioc_status; | |
5509 | __le64 sas_address; | |
5510 | u16 handle; | |
5511 | u32 device_info; | |
5512 | u16 slot; | |
5513 | ||
5514 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__); | |
5515 | ||
5516 | if (list_empty(&ioc->sas_device_list)) | |
5517 | return; | |
5518 | ||
5519 | handle = 0xFFFF; | |
5520 | while (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, | |
5521 | &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, | |
5522 | handle))) { | |
5523 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
5524 | MPI2_IOCSTATUS_MASK; | |
5525 | if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) | |
5526 | break; | |
5527 | handle = le16_to_cpu(sas_device_pg0.DevHandle); | |
5528 | device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); | |
5529 | if (!(_scsih_is_end_device(device_info))) | |
5530 | continue; | |
5531 | sas_address = le64_to_cpu(sas_device_pg0.SASAddress); | |
5532 | slot = le16_to_cpu(sas_device_pg0.Slot); | |
5533 | _scsih_mark_responding_sas_device(ioc, sas_address, slot, | |
5534 | handle); | |
5535 | } | |
5536 | } | |
5537 | ||
5538 | /** | |
5539 | * _scsih_mark_responding_raid_device - mark a raid_device as responding | |
5540 | * @ioc: per adapter object | |
5541 | * @wwid: world wide identifier for raid volume | |
5542 | * @handle: device handle | |
5543 | * | |
5544 | * After host reset, find out whether devices are still responding. | |
5545 | * Used in _scsi_remove_unresponsive_raid_devices. | |
5546 | * | |
5547 | * Return nothing. | |
5548 | */ | |
5549 | static void | |
5550 | _scsih_mark_responding_raid_device(struct MPT2SAS_ADAPTER *ioc, u64 wwid, | |
5551 | u16 handle) | |
5552 | { | |
5553 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
5554 | struct scsi_target *starget; | |
5555 | struct _raid_device *raid_device; | |
5556 | unsigned long flags; | |
5557 | ||
5558 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
5559 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { | |
5560 | if (raid_device->wwid == wwid && raid_device->starget) { | |
5561 | raid_device->responding = 1; | |
5562 | starget_printk(KERN_INFO, raid_device->starget, | |
5563 | "handle(0x%04x), wwid(0x%016llx)\n", handle, | |
5564 | (unsigned long long)raid_device->wwid); | |
5565 | if (raid_device->handle == handle) | |
5566 | goto out; | |
5567 | printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n", | |
5568 | raid_device->handle); | |
5569 | raid_device->handle = handle; | |
5570 | starget = raid_device->starget; | |
5571 | sas_target_priv_data = starget->hostdata; | |
5572 | sas_target_priv_data->handle = handle; | |
5573 | goto out; | |
5574 | } | |
5575 | } | |
5576 | out: | |
5577 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
5578 | } | |
5579 | ||
5580 | /** | |
5581 | * _scsih_search_responding_raid_devices - | |
5582 | * @ioc: per adapter object | |
5583 | * | |
5584 | * After host reset, find out whether devices are still responding. | |
5585 | * If not remove. | |
5586 | * | |
5587 | * Return nothing. | |
5588 | */ | |
5589 | static void | |
5590 | _scsih_search_responding_raid_devices(struct MPT2SAS_ADAPTER *ioc) | |
5591 | { | |
5592 | Mpi2RaidVolPage1_t volume_pg1; | |
5593 | Mpi2ConfigReply_t mpi_reply; | |
5594 | u16 ioc_status; | |
5595 | u16 handle; | |
5596 | ||
5597 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__); | |
5598 | ||
5599 | if (list_empty(&ioc->raid_device_list)) | |
5600 | return; | |
5601 | ||
5602 | handle = 0xFFFF; | |
5603 | while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply, | |
5604 | &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) { | |
5605 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
5606 | MPI2_IOCSTATUS_MASK; | |
5607 | if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) | |
5608 | break; | |
5609 | handle = le16_to_cpu(volume_pg1.DevHandle); | |
5610 | _scsih_mark_responding_raid_device(ioc, | |
5611 | le64_to_cpu(volume_pg1.WWID), handle); | |
5612 | } | |
5613 | } | |
5614 | ||
5615 | /** | |
5616 | * _scsih_mark_responding_expander - mark a expander as responding | |
5617 | * @ioc: per adapter object | |
5618 | * @sas_address: sas address | |
5619 | * @handle: | |
5620 | * | |
5621 | * After host reset, find out whether devices are still responding. | |
5622 | * Used in _scsi_remove_unresponsive_expanders. | |
5623 | * | |
5624 | * Return nothing. | |
5625 | */ | |
5626 | static void | |
5627 | _scsih_mark_responding_expander(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, | |
5628 | u16 handle) | |
5629 | { | |
5630 | struct _sas_node *sas_expander; | |
5631 | unsigned long flags; | |
c5e039be | 5632 | int i; |
635374e7 EM |
5633 | |
5634 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
5635 | list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { | |
c5e039be KD |
5636 | if (sas_expander->sas_address != sas_address) |
5637 | continue; | |
5638 | sas_expander->responding = 1; | |
5639 | if (sas_expander->handle == handle) | |
635374e7 | 5640 | goto out; |
c5e039be KD |
5641 | printk(KERN_INFO "\texpander(0x%016llx): handle changed" |
5642 | " from(0x%04x) to (0x%04x)!!!\n", | |
5643 | (unsigned long long)sas_expander->sas_address, | |
5644 | sas_expander->handle, handle); | |
5645 | sas_expander->handle = handle; | |
5646 | for (i = 0 ; i < sas_expander->num_phys ; i++) | |
5647 | sas_expander->phy[i].handle = handle; | |
5648 | goto out; | |
635374e7 EM |
5649 | } |
5650 | out: | |
5651 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
5652 | } | |
5653 | ||
5654 | /** | |
5655 | * _scsih_search_responding_expanders - | |
5656 | * @ioc: per adapter object | |
5657 | * | |
5658 | * After host reset, find out whether devices are still responding. | |
5659 | * If not remove. | |
5660 | * | |
5661 | * Return nothing. | |
5662 | */ | |
5663 | static void | |
5664 | _scsih_search_responding_expanders(struct MPT2SAS_ADAPTER *ioc) | |
5665 | { | |
5666 | Mpi2ExpanderPage0_t expander_pg0; | |
5667 | Mpi2ConfigReply_t mpi_reply; | |
5668 | u16 ioc_status; | |
5669 | __le64 sas_address; | |
5670 | u16 handle; | |
5671 | ||
5672 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__); | |
5673 | ||
5674 | if (list_empty(&ioc->sas_expander_list)) | |
5675 | return; | |
5676 | ||
5677 | handle = 0xFFFF; | |
5678 | while (!(mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, | |
5679 | MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) { | |
5680 | ||
5681 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
5682 | MPI2_IOCSTATUS_MASK; | |
5683 | if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) | |
5684 | break; | |
5685 | ||
5686 | handle = le16_to_cpu(expander_pg0.DevHandle); | |
5687 | sas_address = le64_to_cpu(expander_pg0.SASAddress); | |
5688 | printk(KERN_INFO "\texpander present: handle(0x%04x), " | |
5689 | "sas_addr(0x%016llx)\n", handle, | |
5690 | (unsigned long long)sas_address); | |
5691 | _scsih_mark_responding_expander(ioc, sas_address, handle); | |
5692 | } | |
5693 | ||
5694 | } | |
5695 | ||
5696 | /** | |
5697 | * _scsih_remove_unresponding_devices - removing unresponding devices | |
5698 | * @ioc: per adapter object | |
5699 | * | |
5700 | * Return nothing. | |
5701 | */ | |
5702 | static void | |
5703 | _scsih_remove_unresponding_devices(struct MPT2SAS_ADAPTER *ioc) | |
5704 | { | |
5705 | struct _sas_device *sas_device, *sas_device_next; | |
cd4e12e8 | 5706 | struct _sas_node *sas_expander; |
635374e7 | 5707 | struct _raid_device *raid_device, *raid_device_next; |
635374e7 | 5708 | |
635374e7 EM |
5709 | |
5710 | list_for_each_entry_safe(sas_device, sas_device_next, | |
5711 | &ioc->sas_device_list, list) { | |
5712 | if (sas_device->responding) { | |
5713 | sas_device->responding = 0; | |
5714 | continue; | |
5715 | } | |
5716 | if (sas_device->starget) | |
5717 | starget_printk(KERN_INFO, sas_device->starget, | |
5718 | "removing: handle(0x%04x), sas_addr(0x%016llx), " | |
5719 | "enclosure logical id(0x%016llx), slot(%d)\n", | |
5720 | sas_device->handle, | |
5721 | (unsigned long long)sas_device->sas_address, | |
5722 | (unsigned long long) | |
5723 | sas_device->enclosure_logical_id, | |
5724 | sas_device->slot); | |
c5e039be KD |
5725 | /* invalidate the device handle */ |
5726 | sas_device->handle = 0; | |
5727 | _scsih_remove_device(ioc, sas_device); | |
635374e7 EM |
5728 | } |
5729 | ||
5730 | list_for_each_entry_safe(raid_device, raid_device_next, | |
5731 | &ioc->raid_device_list, list) { | |
5732 | if (raid_device->responding) { | |
5733 | raid_device->responding = 0; | |
5734 | continue; | |
5735 | } | |
5736 | if (raid_device->starget) { | |
5737 | starget_printk(KERN_INFO, raid_device->starget, | |
5738 | "removing: handle(0x%04x), wwid(0x%016llx)\n", | |
5739 | raid_device->handle, | |
5740 | (unsigned long long)raid_device->wwid); | |
5741 | scsi_remove_target(&raid_device->starget->dev); | |
5742 | } | |
5743 | _scsih_raid_device_remove(ioc, raid_device); | |
5744 | } | |
5745 | ||
cd4e12e8 KD |
5746 | retry_expander_search: |
5747 | sas_expander = NULL; | |
5748 | list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { | |
635374e7 EM |
5749 | if (sas_expander->responding) { |
5750 | sas_expander->responding = 0; | |
5751 | continue; | |
5752 | } | |
c5e039be | 5753 | _scsih_expander_remove(ioc, sas_expander->sas_address); |
cd4e12e8 KD |
5754 | goto retry_expander_search; |
5755 | } | |
5756 | } | |
5757 | ||
5758 | /** | |
5759 | * mpt2sas_scsih_reset_handler - reset callback handler (for scsih) | |
5760 | * @ioc: per adapter object | |
5761 | * @reset_phase: phase | |
5762 | * | |
5763 | * The handler for doing any required cleanup or initialization. | |
5764 | * | |
5765 | * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET, | |
5766 | * MPT2_IOC_DONE_RESET | |
5767 | * | |
5768 | * Return nothing. | |
5769 | */ | |
5770 | void | |
5771 | mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) | |
5772 | { | |
5773 | switch (reset_phase) { | |
5774 | case MPT2_IOC_PRE_RESET: | |
5775 | dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " | |
5776 | "MPT2_IOC_PRE_RESET\n", ioc->name, __func__)); | |
5777 | _scsih_fw_event_off(ioc); | |
5778 | break; | |
5779 | case MPT2_IOC_AFTER_RESET: | |
5780 | dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " | |
5781 | "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__)); | |
5782 | if (ioc->tm_cmds.status & MPT2_CMD_PENDING) { | |
5783 | ioc->tm_cmds.status |= MPT2_CMD_RESET; | |
5784 | mpt2sas_base_free_smid(ioc, ioc->tm_cmds.smid); | |
5785 | complete(&ioc->tm_cmds.done); | |
5786 | } | |
5787 | _scsih_fw_event_on(ioc); | |
5788 | _scsih_flush_running_cmds(ioc); | |
5789 | break; | |
5790 | case MPT2_IOC_DONE_RESET: | |
5791 | dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " | |
5792 | "MPT2_IOC_DONE_RESET\n", ioc->name, __func__)); | |
c5e039be | 5793 | _scsih_sas_host_refresh(ioc); |
cd4e12e8 KD |
5794 | _scsih_search_responding_sas_devices(ioc); |
5795 | _scsih_search_responding_raid_devices(ioc); | |
5796 | _scsih_search_responding_expanders(ioc); | |
5797 | break; | |
5798 | case MPT2_IOC_RUNNING: | |
5799 | dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " | |
5800 | "MPT2_IOC_RUNNING\n", ioc->name, __func__)); | |
5801 | _scsih_remove_unresponding_devices(ioc); | |
5802 | break; | |
635374e7 EM |
5803 | } |
5804 | } | |
5805 | ||
5806 | /** | |
5807 | * _firmware_event_work - delayed task for processing firmware events | |
5808 | * @ioc: per adapter object | |
5809 | * @work: equal to the fw_event_work object | |
5810 | * Context: user. | |
5811 | * | |
5812 | * Return nothing. | |
5813 | */ | |
5814 | static void | |
5815 | _firmware_event_work(struct work_struct *work) | |
5816 | { | |
5817 | struct fw_event_work *fw_event = container_of(work, | |
6f92a7a0 | 5818 | struct fw_event_work, work); |
635374e7 EM |
5819 | unsigned long flags; |
5820 | struct MPT2SAS_ADAPTER *ioc = fw_event->ioc; | |
5821 | ||
635374e7 EM |
5822 | /* the queue is being flushed so ignore this event */ |
5823 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
5824 | if (ioc->fw_events_off || ioc->remove_host) { | |
5825 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
5826 | _scsih_fw_event_free(ioc, fw_event); | |
5827 | return; | |
5828 | } | |
5829 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
5830 | ||
635374e7 | 5831 | if (ioc->shost_recovery) { |
635374e7 EM |
5832 | _scsih_fw_event_requeue(ioc, fw_event, 1000); |
5833 | return; | |
5834 | } | |
635374e7 EM |
5835 | |
5836 | switch (fw_event->event) { | |
5837 | case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: | |
7b936b02 | 5838 | _scsih_sas_topology_change_event(ioc, fw_event); |
635374e7 EM |
5839 | break; |
5840 | case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: | |
7b936b02 KD |
5841 | _scsih_sas_device_status_change_event(ioc, |
5842 | fw_event); | |
635374e7 EM |
5843 | break; |
5844 | case MPI2_EVENT_SAS_DISCOVERY: | |
7b936b02 KD |
5845 | _scsih_sas_discovery_event(ioc, |
5846 | fw_event); | |
635374e7 EM |
5847 | break; |
5848 | case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: | |
7b936b02 KD |
5849 | _scsih_sas_broadcast_primative_event(ioc, |
5850 | fw_event); | |
635374e7 EM |
5851 | break; |
5852 | case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: | |
5853 | _scsih_sas_enclosure_dev_status_change_event(ioc, | |
7b936b02 | 5854 | fw_event); |
635374e7 EM |
5855 | break; |
5856 | case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: | |
7b936b02 | 5857 | _scsih_sas_ir_config_change_event(ioc, fw_event); |
635374e7 EM |
5858 | break; |
5859 | case MPI2_EVENT_IR_VOLUME: | |
7b936b02 | 5860 | _scsih_sas_ir_volume_event(ioc, fw_event); |
635374e7 EM |
5861 | break; |
5862 | case MPI2_EVENT_IR_PHYSICAL_DISK: | |
7b936b02 | 5863 | _scsih_sas_ir_physical_disk_event(ioc, fw_event); |
635374e7 EM |
5864 | break; |
5865 | case MPI2_EVENT_IR_OPERATION_STATUS: | |
7b936b02 | 5866 | _scsih_sas_ir_operation_status_event(ioc, fw_event); |
635374e7 EM |
5867 | break; |
5868 | case MPI2_EVENT_TASK_SET_FULL: | |
7b936b02 | 5869 | _scsih_task_set_full(ioc, fw_event); |
635374e7 EM |
5870 | break; |
5871 | } | |
5872 | _scsih_fw_event_free(ioc, fw_event); | |
5873 | } | |
5874 | ||
5875 | /** | |
5876 | * mpt2sas_scsih_event_callback - firmware event handler (called at ISR time) | |
5877 | * @ioc: per adapter object | |
7b936b02 | 5878 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
5879 | * @reply: reply message frame(lower 32bit addr) |
5880 | * Context: interrupt. | |
5881 | * | |
5882 | * This function merely adds a new work task into ioc->firmware_event_thread. | |
5883 | * The tasks are worked from _firmware_event_work in user context. | |
5884 | * | |
77e63ed4 KD |
5885 | * Return 1 meaning mf should be freed from _base_interrupt |
5886 | * 0 means the mf is freed from this function. | |
635374e7 | 5887 | */ |
77e63ed4 | 5888 | u8 |
7b936b02 KD |
5889 | mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, |
5890 | u32 reply) | |
635374e7 EM |
5891 | { |
5892 | struct fw_event_work *fw_event; | |
5893 | Mpi2EventNotificationReply_t *mpi_reply; | |
5894 | unsigned long flags; | |
5895 | u16 event; | |
5896 | ||
5897 | /* events turned off due to host reset or driver unloading */ | |
5898 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
5899 | if (ioc->fw_events_off || ioc->remove_host) { | |
5900 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
77e63ed4 | 5901 | return 1; |
635374e7 EM |
5902 | } |
5903 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
5904 | ||
77e63ed4 | 5905 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); |
635374e7 EM |
5906 | event = le16_to_cpu(mpi_reply->Event); |
5907 | ||
5908 | switch (event) { | |
5909 | /* handle these */ | |
5910 | case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: | |
5911 | { | |
5912 | Mpi2EventDataSasBroadcastPrimitive_t *baen_data = | |
5913 | (Mpi2EventDataSasBroadcastPrimitive_t *) | |
5914 | mpi_reply->EventData; | |
5915 | ||
5916 | if (baen_data->Primitive != | |
5917 | MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT || | |
5918 | ioc->broadcast_aen_busy) | |
77e63ed4 | 5919 | return 1; |
635374e7 EM |
5920 | ioc->broadcast_aen_busy = 1; |
5921 | break; | |
5922 | } | |
5923 | ||
5924 | case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: | |
5925 | _scsih_check_topo_delete_events(ioc, | |
5926 | (Mpi2EventDataSasTopologyChangeList_t *) | |
5927 | mpi_reply->EventData); | |
5928 | break; | |
5929 | ||
5930 | case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: | |
5931 | case MPI2_EVENT_IR_OPERATION_STATUS: | |
5932 | case MPI2_EVENT_SAS_DISCOVERY: | |
5933 | case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: | |
5934 | case MPI2_EVENT_IR_VOLUME: | |
5935 | case MPI2_EVENT_IR_PHYSICAL_DISK: | |
5936 | case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: | |
5937 | case MPI2_EVENT_TASK_SET_FULL: | |
5938 | break; | |
5939 | ||
5940 | default: /* ignore the rest */ | |
77e63ed4 | 5941 | return 1; |
635374e7 EM |
5942 | } |
5943 | ||
5944 | fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC); | |
5945 | if (!fw_event) { | |
5946 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
5947 | ioc->name, __FILE__, __LINE__, __func__); | |
77e63ed4 | 5948 | return 1; |
635374e7 EM |
5949 | } |
5950 | fw_event->event_data = | |
5951 | kzalloc(mpi_reply->EventDataLength*4, GFP_ATOMIC); | |
5952 | if (!fw_event->event_data) { | |
5953 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
5954 | ioc->name, __FILE__, __LINE__, __func__); | |
5955 | kfree(fw_event); | |
77e63ed4 | 5956 | return 1; |
635374e7 EM |
5957 | } |
5958 | ||
5959 | memcpy(fw_event->event_data, mpi_reply->EventData, | |
5960 | mpi_reply->EventDataLength*4); | |
5961 | fw_event->ioc = ioc; | |
7b936b02 KD |
5962 | fw_event->VF_ID = mpi_reply->VF_ID; |
5963 | fw_event->VP_ID = mpi_reply->VP_ID; | |
635374e7 EM |
5964 | fw_event->event = event; |
5965 | _scsih_fw_event_add(ioc, fw_event); | |
77e63ed4 | 5966 | return 1; |
635374e7 EM |
5967 | } |
5968 | ||
5969 | /* shost template */ | |
5970 | static struct scsi_host_template scsih_driver_template = { | |
5971 | .module = THIS_MODULE, | |
5972 | .name = "Fusion MPT SAS Host", | |
5973 | .proc_name = MPT2SAS_DRIVER_NAME, | |
d5d135b3 EM |
5974 | .queuecommand = _scsih_qcmd, |
5975 | .target_alloc = _scsih_target_alloc, | |
5976 | .slave_alloc = _scsih_slave_alloc, | |
5977 | .slave_configure = _scsih_slave_configure, | |
5978 | .target_destroy = _scsih_target_destroy, | |
5979 | .slave_destroy = _scsih_slave_destroy, | |
5980 | .change_queue_depth = _scsih_change_queue_depth, | |
5981 | .change_queue_type = _scsih_change_queue_type, | |
5982 | .eh_abort_handler = _scsih_abort, | |
5983 | .eh_device_reset_handler = _scsih_dev_reset, | |
5984 | .eh_target_reset_handler = _scsih_target_reset, | |
5985 | .eh_host_reset_handler = _scsih_host_reset, | |
5986 | .bios_param = _scsih_bios_param, | |
635374e7 EM |
5987 | .can_queue = 1, |
5988 | .this_id = -1, | |
5989 | .sg_tablesize = MPT2SAS_SG_DEPTH, | |
5990 | .max_sectors = 8192, | |
5991 | .cmd_per_lun = 7, | |
5992 | .use_clustering = ENABLE_CLUSTERING, | |
5993 | .shost_attrs = mpt2sas_host_attrs, | |
5994 | .sdev_attrs = mpt2sas_dev_attrs, | |
5995 | }; | |
5996 | ||
5997 | /** | |
5998 | * _scsih_expander_node_remove - removing expander device from list. | |
5999 | * @ioc: per adapter object | |
6000 | * @sas_expander: the sas_device object | |
6001 | * Context: Calling function should acquire ioc->sas_node_lock. | |
6002 | * | |
6003 | * Removing object and freeing associated memory from the | |
6004 | * ioc->sas_expander_list. | |
6005 | * | |
6006 | * Return nothing. | |
6007 | */ | |
6008 | static void | |
6009 | _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc, | |
6010 | struct _sas_node *sas_expander) | |
6011 | { | |
6012 | struct _sas_port *mpt2sas_port; | |
6013 | struct _sas_device *sas_device; | |
6014 | struct _sas_node *expander_sibling; | |
6015 | unsigned long flags; | |
6016 | ||
6017 | if (!sas_expander) | |
6018 | return; | |
6019 | ||
6020 | /* remove sibling ports attached to this expander */ | |
6021 | retry_device_search: | |
6022 | list_for_each_entry(mpt2sas_port, | |
6023 | &sas_expander->sas_port_list, port_list) { | |
6024 | if (mpt2sas_port->remote_identify.device_type == | |
6025 | SAS_END_DEVICE) { | |
6026 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
6027 | sas_device = | |
6028 | mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
6029 | mpt2sas_port->remote_identify.sas_address); | |
6030 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
6031 | if (!sas_device) | |
6032 | continue; | |
c5e039be | 6033 | _scsih_remove_device(ioc, sas_device); |
155dd4c7 KD |
6034 | if (ioc->shost_recovery) |
6035 | return; | |
635374e7 EM |
6036 | goto retry_device_search; |
6037 | } | |
6038 | } | |
6039 | ||
6040 | retry_expander_search: | |
6041 | list_for_each_entry(mpt2sas_port, | |
6042 | &sas_expander->sas_port_list, port_list) { | |
6043 | ||
6044 | if (mpt2sas_port->remote_identify.device_type == | |
6045 | MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER || | |
6046 | mpt2sas_port->remote_identify.device_type == | |
6047 | MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER) { | |
6048 | ||
6049 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
6050 | expander_sibling = | |
6051 | mpt2sas_scsih_expander_find_by_sas_address( | |
6052 | ioc, mpt2sas_port->remote_identify.sas_address); | |
6053 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
6054 | if (!expander_sibling) | |
6055 | continue; | |
c5e039be KD |
6056 | _scsih_expander_remove(ioc, |
6057 | expander_sibling->sas_address); | |
155dd4c7 KD |
6058 | if (ioc->shost_recovery) |
6059 | return; | |
635374e7 EM |
6060 | goto retry_expander_search; |
6061 | } | |
6062 | } | |
6063 | ||
6064 | mpt2sas_transport_port_remove(ioc, sas_expander->sas_address, | |
c5e039be | 6065 | sas_expander->sas_address_parent); |
635374e7 EM |
6066 | |
6067 | printk(MPT2SAS_INFO_FMT "expander_remove: handle" | |
6068 | "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, | |
6069 | sas_expander->handle, (unsigned long long) | |
6070 | sas_expander->sas_address); | |
6071 | ||
6072 | list_del(&sas_expander->list); | |
6073 | kfree(sas_expander->phy); | |
6074 | kfree(sas_expander); | |
6075 | } | |
6076 | ||
744090d3 KD |
6077 | /** |
6078 | * _scsih_ir_shutdown - IR shutdown notification | |
6079 | * @ioc: per adapter object | |
6080 | * | |
6081 | * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that | |
6082 | * the host system is shutting down. | |
6083 | * | |
6084 | * Return nothing. | |
6085 | */ | |
6086 | static void | |
6087 | _scsih_ir_shutdown(struct MPT2SAS_ADAPTER *ioc) | |
6088 | { | |
6089 | Mpi2RaidActionRequest_t *mpi_request; | |
6090 | Mpi2RaidActionReply_t *mpi_reply; | |
6091 | u16 smid; | |
6092 | ||
6093 | /* is IR firmware build loaded ? */ | |
6094 | if (!ioc->ir_firmware) | |
6095 | return; | |
6096 | ||
6097 | /* are there any volumes ? */ | |
6098 | if (list_empty(&ioc->raid_device_list)) | |
6099 | return; | |
6100 | ||
6101 | mutex_lock(&ioc->scsih_cmds.mutex); | |
6102 | ||
6103 | if (ioc->scsih_cmds.status != MPT2_CMD_NOT_USED) { | |
6104 | printk(MPT2SAS_ERR_FMT "%s: scsih_cmd in use\n", | |
6105 | ioc->name, __func__); | |
6106 | goto out; | |
6107 | } | |
6108 | ioc->scsih_cmds.status = MPT2_CMD_PENDING; | |
6109 | ||
6110 | smid = mpt2sas_base_get_smid(ioc, ioc->scsih_cb_idx); | |
6111 | if (!smid) { | |
6112 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
6113 | ioc->name, __func__); | |
6114 | ioc->scsih_cmds.status = MPT2_CMD_NOT_USED; | |
6115 | goto out; | |
6116 | } | |
6117 | ||
6118 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
6119 | ioc->scsih_cmds.smid = smid; | |
6120 | memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t)); | |
6121 | ||
6122 | mpi_request->Function = MPI2_FUNCTION_RAID_ACTION; | |
6123 | mpi_request->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED; | |
6124 | ||
6125 | printk(MPT2SAS_INFO_FMT "IR shutdown (sending)\n", ioc->name); | |
6126 | init_completion(&ioc->scsih_cmds.done); | |
6127 | mpt2sas_base_put_smid_default(ioc, smid); | |
6128 | wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ); | |
6129 | ||
6130 | if (!(ioc->scsih_cmds.status & MPT2_CMD_COMPLETE)) { | |
6131 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
6132 | ioc->name, __func__); | |
6133 | goto out; | |
6134 | } | |
6135 | ||
6136 | if (ioc->scsih_cmds.status & MPT2_CMD_REPLY_VALID) { | |
6137 | mpi_reply = ioc->scsih_cmds.reply; | |
6138 | ||
6139 | printk(MPT2SAS_INFO_FMT "IR shutdown (complete): " | |
6140 | "ioc_status(0x%04x), loginfo(0x%08x)\n", | |
6141 | ioc->name, le16_to_cpu(mpi_reply->IOCStatus), | |
6142 | le32_to_cpu(mpi_reply->IOCLogInfo)); | |
6143 | } | |
6144 | ||
6145 | out: | |
6146 | ioc->scsih_cmds.status = MPT2_CMD_NOT_USED; | |
6147 | mutex_unlock(&ioc->scsih_cmds.mutex); | |
6148 | } | |
6149 | ||
6150 | /** | |
6151 | * _scsih_shutdown - routine call during system shutdown | |
6152 | * @pdev: PCI device struct | |
6153 | * | |
6154 | * Return nothing. | |
6155 | */ | |
6156 | static void | |
6157 | _scsih_shutdown(struct pci_dev *pdev) | |
6158 | { | |
6159 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
6160 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
6161 | ||
6162 | _scsih_ir_shutdown(ioc); | |
6163 | mpt2sas_base_detach(ioc); | |
6164 | } | |
6165 | ||
635374e7 | 6166 | /** |
d5d135b3 | 6167 | * _scsih_remove - detach and remove add host |
635374e7 EM |
6168 | * @pdev: PCI device struct |
6169 | * | |
744090d3 | 6170 | * Routine called when unloading the driver. |
635374e7 EM |
6171 | * Return nothing. |
6172 | */ | |
6173 | static void __devexit | |
d5d135b3 | 6174 | _scsih_remove(struct pci_dev *pdev) |
635374e7 EM |
6175 | { |
6176 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
6177 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
6178 | struct _sas_port *mpt2sas_port; | |
6179 | struct _sas_device *sas_device; | |
6180 | struct _sas_node *expander_sibling; | |
d7384b28 KD |
6181 | struct _raid_device *raid_device, *next; |
6182 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
635374e7 EM |
6183 | struct workqueue_struct *wq; |
6184 | unsigned long flags; | |
6185 | ||
6186 | ioc->remove_host = 1; | |
6187 | _scsih_fw_event_off(ioc); | |
6188 | ||
6189 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
6190 | wq = ioc->firmware_event_thread; | |
6191 | ioc->firmware_event_thread = NULL; | |
6192 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
6193 | if (wq) | |
6194 | destroy_workqueue(wq); | |
6195 | ||
d7384b28 KD |
6196 | /* release all the volumes */ |
6197 | list_for_each_entry_safe(raid_device, next, &ioc->raid_device_list, | |
6198 | list) { | |
6199 | if (raid_device->starget) { | |
6200 | sas_target_priv_data = | |
6201 | raid_device->starget->hostdata; | |
6202 | sas_target_priv_data->deleted = 1; | |
6203 | scsi_remove_target(&raid_device->starget->dev); | |
6204 | } | |
6205 | printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), wwid" | |
6206 | "(0x%016llx)\n", ioc->name, raid_device->handle, | |
6207 | (unsigned long long) raid_device->wwid); | |
6208 | _scsih_raid_device_remove(ioc, raid_device); | |
6209 | } | |
6210 | ||
635374e7 EM |
6211 | /* free ports attached to the sas_host */ |
6212 | retry_again: | |
6213 | list_for_each_entry(mpt2sas_port, | |
6214 | &ioc->sas_hba.sas_port_list, port_list) { | |
6215 | if (mpt2sas_port->remote_identify.device_type == | |
6216 | SAS_END_DEVICE) { | |
6217 | sas_device = | |
6218 | mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
6219 | mpt2sas_port->remote_identify.sas_address); | |
6220 | if (sas_device) { | |
c5e039be | 6221 | _scsih_remove_device(ioc, sas_device); |
635374e7 EM |
6222 | goto retry_again; |
6223 | } | |
6224 | } else { | |
6225 | expander_sibling = | |
6226 | mpt2sas_scsih_expander_find_by_sas_address(ioc, | |
6227 | mpt2sas_port->remote_identify.sas_address); | |
6228 | if (expander_sibling) { | |
6229 | _scsih_expander_remove(ioc, | |
c5e039be | 6230 | expander_sibling->sas_address); |
635374e7 EM |
6231 | goto retry_again; |
6232 | } | |
6233 | } | |
6234 | } | |
6235 | ||
6236 | /* free phys attached to the sas_host */ | |
6237 | if (ioc->sas_hba.num_phys) { | |
6238 | kfree(ioc->sas_hba.phy); | |
6239 | ioc->sas_hba.phy = NULL; | |
6240 | ioc->sas_hba.num_phys = 0; | |
6241 | } | |
6242 | ||
6243 | sas_remove_host(shost); | |
744090d3 | 6244 | _scsih_shutdown(pdev); |
635374e7 EM |
6245 | list_del(&ioc->list); |
6246 | scsi_remove_host(shost); | |
6247 | scsi_host_put(shost); | |
6248 | } | |
6249 | ||
6250 | /** | |
6251 | * _scsih_probe_boot_devices - reports 1st device | |
6252 | * @ioc: per adapter object | |
6253 | * | |
6254 | * If specified in bios page 2, this routine reports the 1st | |
6255 | * device scsi-ml or sas transport for persistent boot device | |
6256 | * purposes. Please refer to function _scsih_determine_boot_device() | |
6257 | */ | |
6258 | static void | |
6259 | _scsih_probe_boot_devices(struct MPT2SAS_ADAPTER *ioc) | |
6260 | { | |
6261 | u8 is_raid; | |
6262 | void *device; | |
6263 | struct _sas_device *sas_device; | |
6264 | struct _raid_device *raid_device; | |
c5e039be KD |
6265 | u16 handle; |
6266 | u64 sas_address_parent; | |
635374e7 EM |
6267 | u64 sas_address; |
6268 | unsigned long flags; | |
6269 | int rc; | |
6270 | ||
6271 | device = NULL; | |
6272 | if (ioc->req_boot_device.device) { | |
6273 | device = ioc->req_boot_device.device; | |
6274 | is_raid = ioc->req_boot_device.is_raid; | |
6275 | } else if (ioc->req_alt_boot_device.device) { | |
6276 | device = ioc->req_alt_boot_device.device; | |
6277 | is_raid = ioc->req_alt_boot_device.is_raid; | |
6278 | } else if (ioc->current_boot_device.device) { | |
6279 | device = ioc->current_boot_device.device; | |
6280 | is_raid = ioc->current_boot_device.is_raid; | |
6281 | } | |
6282 | ||
6283 | if (!device) | |
6284 | return; | |
6285 | ||
6286 | if (is_raid) { | |
6287 | raid_device = device; | |
6288 | rc = scsi_add_device(ioc->shost, RAID_CHANNEL, | |
6289 | raid_device->id, 0); | |
6290 | if (rc) | |
6291 | _scsih_raid_device_remove(ioc, raid_device); | |
6292 | } else { | |
6293 | sas_device = device; | |
6294 | handle = sas_device->handle; | |
c5e039be | 6295 | sas_address_parent = sas_device->sas_address_parent; |
635374e7 EM |
6296 | sas_address = sas_device->sas_address; |
6297 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
6298 | list_move_tail(&sas_device->list, &ioc->sas_device_list); | |
6299 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
6300 | if (!mpt2sas_transport_port_add(ioc, sas_device->handle, | |
c5e039be | 6301 | sas_device->sas_address_parent)) { |
635374e7 EM |
6302 | _scsih_sas_device_remove(ioc, sas_device); |
6303 | } else if (!sas_device->starget) { | |
6304 | mpt2sas_transport_port_remove(ioc, sas_address, | |
c5e039be | 6305 | sas_address_parent); |
635374e7 EM |
6306 | _scsih_sas_device_remove(ioc, sas_device); |
6307 | } | |
6308 | } | |
6309 | } | |
6310 | ||
6311 | /** | |
6312 | * _scsih_probe_raid - reporting raid volumes to scsi-ml | |
6313 | * @ioc: per adapter object | |
6314 | * | |
6315 | * Called during initial loading of the driver. | |
6316 | */ | |
6317 | static void | |
6318 | _scsih_probe_raid(struct MPT2SAS_ADAPTER *ioc) | |
6319 | { | |
6320 | struct _raid_device *raid_device, *raid_next; | |
6321 | int rc; | |
6322 | ||
6323 | list_for_each_entry_safe(raid_device, raid_next, | |
6324 | &ioc->raid_device_list, list) { | |
6325 | if (raid_device->starget) | |
6326 | continue; | |
6327 | rc = scsi_add_device(ioc->shost, RAID_CHANNEL, | |
6328 | raid_device->id, 0); | |
6329 | if (rc) | |
6330 | _scsih_raid_device_remove(ioc, raid_device); | |
6331 | } | |
6332 | } | |
6333 | ||
6334 | /** | |
77e63ed4 | 6335 | * _scsih_probe_sas - reporting sas devices to sas transport |
635374e7 EM |
6336 | * @ioc: per adapter object |
6337 | * | |
6338 | * Called during initial loading of the driver. | |
6339 | */ | |
6340 | static void | |
6341 | _scsih_probe_sas(struct MPT2SAS_ADAPTER *ioc) | |
6342 | { | |
6343 | struct _sas_device *sas_device, *next; | |
6344 | unsigned long flags; | |
635374e7 EM |
6345 | |
6346 | /* SAS Device List */ | |
6347 | list_for_each_entry_safe(sas_device, next, &ioc->sas_device_init_list, | |
6348 | list) { | |
6349 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
6350 | list_move_tail(&sas_device->list, &ioc->sas_device_list); | |
6351 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
6352 | ||
c5e039be KD |
6353 | if (!mpt2sas_transport_port_add(ioc, sas_device->handle, |
6354 | sas_device->sas_address_parent)) { | |
635374e7 EM |
6355 | _scsih_sas_device_remove(ioc, sas_device); |
6356 | } else if (!sas_device->starget) { | |
c5e039be KD |
6357 | mpt2sas_transport_port_remove(ioc, |
6358 | sas_device->sas_address, | |
6359 | sas_device->sas_address_parent); | |
635374e7 EM |
6360 | _scsih_sas_device_remove(ioc, sas_device); |
6361 | } | |
6362 | } | |
6363 | } | |
6364 | ||
6365 | /** | |
6366 | * _scsih_probe_devices - probing for devices | |
6367 | * @ioc: per adapter object | |
6368 | * | |
6369 | * Called during initial loading of the driver. | |
6370 | */ | |
6371 | static void | |
6372 | _scsih_probe_devices(struct MPT2SAS_ADAPTER *ioc) | |
6373 | { | |
6374 | u16 volume_mapping_flags = | |
6375 | le16_to_cpu(ioc->ioc_pg8.IRVolumeMappingFlags) & | |
6376 | MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; | |
6377 | ||
6378 | if (!(ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR)) | |
6379 | return; /* return when IOC doesn't support initiator mode */ | |
6380 | ||
6381 | _scsih_probe_boot_devices(ioc); | |
6382 | ||
6383 | if (ioc->ir_firmware) { | |
6384 | if ((volume_mapping_flags & | |
6385 | MPI2_IOCPAGE8_IRFLAGS_HIGH_VOLUME_MAPPING)) { | |
6386 | _scsih_probe_sas(ioc); | |
6387 | _scsih_probe_raid(ioc); | |
6388 | } else { | |
6389 | _scsih_probe_raid(ioc); | |
6390 | _scsih_probe_sas(ioc); | |
6391 | } | |
6392 | } else | |
6393 | _scsih_probe_sas(ioc); | |
6394 | } | |
6395 | ||
6396 | /** | |
d5d135b3 | 6397 | * _scsih_probe - attach and add scsi host |
635374e7 EM |
6398 | * @pdev: PCI device struct |
6399 | * @id: pci device id | |
6400 | * | |
6401 | * Returns 0 success, anything else error. | |
6402 | */ | |
6403 | static int | |
d5d135b3 | 6404 | _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) |
635374e7 EM |
6405 | { |
6406 | struct MPT2SAS_ADAPTER *ioc; | |
6407 | struct Scsi_Host *shost; | |
6408 | ||
6409 | shost = scsi_host_alloc(&scsih_driver_template, | |
6410 | sizeof(struct MPT2SAS_ADAPTER)); | |
6411 | if (!shost) | |
6412 | return -ENODEV; | |
6413 | ||
6414 | /* init local params */ | |
6415 | ioc = shost_priv(shost); | |
6416 | memset(ioc, 0, sizeof(struct MPT2SAS_ADAPTER)); | |
6417 | INIT_LIST_HEAD(&ioc->list); | |
ba33fadf | 6418 | list_add_tail(&ioc->list, &mpt2sas_ioc_list); |
635374e7 EM |
6419 | ioc->shost = shost; |
6420 | ioc->id = mpt_ids++; | |
6421 | sprintf(ioc->name, "%s%d", MPT2SAS_DRIVER_NAME, ioc->id); | |
6422 | ioc->pdev = pdev; | |
6423 | ioc->scsi_io_cb_idx = scsi_io_cb_idx; | |
6424 | ioc->tm_cb_idx = tm_cb_idx; | |
6425 | ioc->ctl_cb_idx = ctl_cb_idx; | |
6426 | ioc->base_cb_idx = base_cb_idx; | |
6427 | ioc->transport_cb_idx = transport_cb_idx; | |
744090d3 | 6428 | ioc->scsih_cb_idx = scsih_cb_idx; |
635374e7 | 6429 | ioc->config_cb_idx = config_cb_idx; |
77e63ed4 KD |
6430 | ioc->tm_tr_cb_idx = tm_tr_cb_idx; |
6431 | ioc->tm_sas_control_cb_idx = tm_sas_control_cb_idx; | |
635374e7 EM |
6432 | ioc->logging_level = logging_level; |
6433 | /* misc semaphores and spin locks */ | |
6434 | spin_lock_init(&ioc->ioc_reset_in_progress_lock); | |
6435 | spin_lock_init(&ioc->scsi_lookup_lock); | |
6436 | spin_lock_init(&ioc->sas_device_lock); | |
6437 | spin_lock_init(&ioc->sas_node_lock); | |
6438 | spin_lock_init(&ioc->fw_event_lock); | |
6439 | spin_lock_init(&ioc->raid_device_lock); | |
6440 | ||
6441 | INIT_LIST_HEAD(&ioc->sas_device_list); | |
6442 | INIT_LIST_HEAD(&ioc->sas_device_init_list); | |
6443 | INIT_LIST_HEAD(&ioc->sas_expander_list); | |
6444 | INIT_LIST_HEAD(&ioc->fw_event_list); | |
6445 | INIT_LIST_HEAD(&ioc->raid_device_list); | |
6446 | INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list); | |
77e63ed4 | 6447 | INIT_LIST_HEAD(&ioc->delayed_tr_list); |
635374e7 EM |
6448 | |
6449 | /* init shost parameters */ | |
6450 | shost->max_cmd_len = 16; | |
6451 | shost->max_lun = max_lun; | |
6452 | shost->transportt = mpt2sas_transport_template; | |
6453 | shost->unique_id = ioc->id; | |
6454 | ||
6455 | if ((scsi_add_host(shost, &pdev->dev))) { | |
6456 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
6457 | ioc->name, __FILE__, __LINE__, __func__); | |
6458 | list_del(&ioc->list); | |
6459 | goto out_add_shost_fail; | |
6460 | } | |
6461 | ||
3c621b3e EM |
6462 | scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION |
6463 | | SHOST_DIF_TYPE3_PROTECTION); | |
77e63ed4 | 6464 | scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC); |
3c621b3e | 6465 | |
635374e7 EM |
6466 | /* event thread */ |
6467 | snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name), | |
6468 | "fw_event%d", ioc->id); | |
6469 | ioc->firmware_event_thread = create_singlethread_workqueue( | |
6470 | ioc->firmware_event_name); | |
6471 | if (!ioc->firmware_event_thread) { | |
6472 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
6473 | ioc->name, __FILE__, __LINE__, __func__); | |
6474 | goto out_thread_fail; | |
6475 | } | |
6476 | ||
6477 | ioc->wait_for_port_enable_to_complete = 1; | |
6478 | if ((mpt2sas_base_attach(ioc))) { | |
6479 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
6480 | ioc->name, __FILE__, __LINE__, __func__); | |
6481 | goto out_attach_fail; | |
6482 | } | |
6483 | ||
6484 | ioc->wait_for_port_enable_to_complete = 0; | |
6485 | _scsih_probe_devices(ioc); | |
6486 | return 0; | |
6487 | ||
6488 | out_attach_fail: | |
6489 | destroy_workqueue(ioc->firmware_event_thread); | |
6490 | out_thread_fail: | |
6491 | list_del(&ioc->list); | |
6492 | scsi_remove_host(shost); | |
6493 | out_add_shost_fail: | |
6494 | return -ENODEV; | |
6495 | } | |
6496 | ||
6497 | #ifdef CONFIG_PM | |
6498 | /** | |
d5d135b3 | 6499 | * _scsih_suspend - power management suspend main entry point |
635374e7 EM |
6500 | * @pdev: PCI device struct |
6501 | * @state: PM state change to (usually PCI_D3) | |
6502 | * | |
6503 | * Returns 0 success, anything else error. | |
6504 | */ | |
6505 | static int | |
d5d135b3 | 6506 | _scsih_suspend(struct pci_dev *pdev, pm_message_t state) |
635374e7 EM |
6507 | { |
6508 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
6509 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
6510 | u32 device_state; | |
6511 | ||
e4750c98 | 6512 | mpt2sas_base_stop_watchdog(ioc); |
635374e7 EM |
6513 | flush_scheduled_work(); |
6514 | scsi_block_requests(shost); | |
6515 | device_state = pci_choose_state(pdev, state); | |
6516 | printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, entering " | |
6517 | "operating state [D%d]\n", ioc->name, pdev, | |
6518 | pci_name(pdev), device_state); | |
6519 | ||
6520 | mpt2sas_base_free_resources(ioc); | |
6521 | pci_save_state(pdev); | |
6522 | pci_disable_device(pdev); | |
6523 | pci_set_power_state(pdev, device_state); | |
6524 | return 0; | |
6525 | } | |
6526 | ||
6527 | /** | |
d5d135b3 | 6528 | * _scsih_resume - power management resume main entry point |
635374e7 EM |
6529 | * @pdev: PCI device struct |
6530 | * | |
6531 | * Returns 0 success, anything else error. | |
6532 | */ | |
6533 | static int | |
d5d135b3 | 6534 | _scsih_resume(struct pci_dev *pdev) |
635374e7 EM |
6535 | { |
6536 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
6537 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
6538 | u32 device_state = pdev->current_state; | |
6539 | int r; | |
6540 | ||
6541 | printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, previous " | |
6542 | "operating state [D%d]\n", ioc->name, pdev, | |
6543 | pci_name(pdev), device_state); | |
6544 | ||
6545 | pci_set_power_state(pdev, PCI_D0); | |
6546 | pci_enable_wake(pdev, PCI_D0, 0); | |
6547 | pci_restore_state(pdev); | |
6548 | ioc->pdev = pdev; | |
6549 | r = mpt2sas_base_map_resources(ioc); | |
6550 | if (r) | |
6551 | return r; | |
6552 | ||
6553 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, SOFT_RESET); | |
6554 | scsi_unblock_requests(shost); | |
e4750c98 | 6555 | mpt2sas_base_start_watchdog(ioc); |
635374e7 EM |
6556 | return 0; |
6557 | } | |
6558 | #endif /* CONFIG_PM */ | |
6559 | ||
6560 | ||
6561 | static struct pci_driver scsih_driver = { | |
6562 | .name = MPT2SAS_DRIVER_NAME, | |
6563 | .id_table = scsih_pci_table, | |
d5d135b3 EM |
6564 | .probe = _scsih_probe, |
6565 | .remove = __devexit_p(_scsih_remove), | |
744090d3 | 6566 | .shutdown = _scsih_shutdown, |
635374e7 | 6567 | #ifdef CONFIG_PM |
d5d135b3 EM |
6568 | .suspend = _scsih_suspend, |
6569 | .resume = _scsih_resume, | |
635374e7 EM |
6570 | #endif |
6571 | }; | |
6572 | ||
f7c95ef0 KD |
6573 | /* raid transport support */ |
6574 | static struct raid_function_template mpt2sas_raid_functions = { | |
6575 | .cookie = &scsih_driver_template, | |
6576 | .is_raid = _scsih_is_raid, | |
6577 | .get_resync = _scsih_get_resync, | |
6578 | .get_state = _scsih_get_state, | |
6579 | }; | |
635374e7 EM |
6580 | |
6581 | /** | |
d5d135b3 | 6582 | * _scsih_init - main entry point for this driver. |
635374e7 EM |
6583 | * |
6584 | * Returns 0 success, anything else error. | |
6585 | */ | |
6586 | static int __init | |
d5d135b3 | 6587 | _scsih_init(void) |
635374e7 EM |
6588 | { |
6589 | int error; | |
6590 | ||
6591 | mpt_ids = 0; | |
6592 | printk(KERN_INFO "%s version %s loaded\n", MPT2SAS_DRIVER_NAME, | |
6593 | MPT2SAS_DRIVER_VERSION); | |
6594 | ||
6595 | mpt2sas_transport_template = | |
6596 | sas_attach_transport(&mpt2sas_transport_functions); | |
6597 | if (!mpt2sas_transport_template) | |
6598 | return -ENODEV; | |
f7c95ef0 KD |
6599 | /* raid transport support */ |
6600 | mpt2sas_raid_template = raid_class_attach(&mpt2sas_raid_functions); | |
6601 | if (!mpt2sas_raid_template) { | |
6602 | sas_release_transport(mpt2sas_transport_template); | |
6603 | return -ENODEV; | |
6604 | } | |
635374e7 EM |
6605 | |
6606 | mpt2sas_base_initialize_callback_handler(); | |
6607 | ||
6608 | /* queuecommand callback hander */ | |
d5d135b3 | 6609 | scsi_io_cb_idx = mpt2sas_base_register_callback_handler(_scsih_io_done); |
635374e7 EM |
6610 | |
6611 | /* task managment callback handler */ | |
d5d135b3 | 6612 | tm_cb_idx = mpt2sas_base_register_callback_handler(_scsih_tm_done); |
635374e7 EM |
6613 | |
6614 | /* base internal commands callback handler */ | |
6615 | base_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_base_done); | |
6616 | ||
6617 | /* transport internal commands callback handler */ | |
6618 | transport_cb_idx = mpt2sas_base_register_callback_handler( | |
6619 | mpt2sas_transport_done); | |
6620 | ||
744090d3 KD |
6621 | /* scsih internal commands callback handler */ |
6622 | scsih_cb_idx = mpt2sas_base_register_callback_handler(_scsih_done); | |
6623 | ||
635374e7 EM |
6624 | /* configuration page API internal commands callback handler */ |
6625 | config_cb_idx = mpt2sas_base_register_callback_handler( | |
6626 | mpt2sas_config_done); | |
6627 | ||
6628 | /* ctl module callback handler */ | |
6629 | ctl_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_ctl_done); | |
6630 | ||
77e63ed4 KD |
6631 | tm_tr_cb_idx = mpt2sas_base_register_callback_handler( |
6632 | _scsih_tm_tr_complete); | |
6633 | tm_sas_control_cb_idx = mpt2sas_base_register_callback_handler( | |
6634 | _scsih_sas_control_complete); | |
6635 | ||
635374e7 EM |
6636 | mpt2sas_ctl_init(); |
6637 | ||
6638 | error = pci_register_driver(&scsih_driver); | |
f7c95ef0 KD |
6639 | if (error) { |
6640 | /* raid transport support */ | |
6641 | raid_class_release(mpt2sas_raid_template); | |
635374e7 | 6642 | sas_release_transport(mpt2sas_transport_template); |
f7c95ef0 | 6643 | } |
635374e7 EM |
6644 | |
6645 | return error; | |
6646 | } | |
6647 | ||
6648 | /** | |
d5d135b3 | 6649 | * _scsih_exit - exit point for this driver (when it is a module). |
635374e7 EM |
6650 | * |
6651 | * Returns 0 success, anything else error. | |
6652 | */ | |
6653 | static void __exit | |
d5d135b3 | 6654 | _scsih_exit(void) |
635374e7 EM |
6655 | { |
6656 | printk(KERN_INFO "mpt2sas version %s unloading\n", | |
6657 | MPT2SAS_DRIVER_VERSION); | |
6658 | ||
6659 | pci_unregister_driver(&scsih_driver); | |
6660 | ||
f7c95ef0 KD |
6661 | mpt2sas_ctl_exit(); |
6662 | ||
635374e7 EM |
6663 | mpt2sas_base_release_callback_handler(scsi_io_cb_idx); |
6664 | mpt2sas_base_release_callback_handler(tm_cb_idx); | |
6665 | mpt2sas_base_release_callback_handler(base_cb_idx); | |
6666 | mpt2sas_base_release_callback_handler(transport_cb_idx); | |
744090d3 | 6667 | mpt2sas_base_release_callback_handler(scsih_cb_idx); |
635374e7 EM |
6668 | mpt2sas_base_release_callback_handler(config_cb_idx); |
6669 | mpt2sas_base_release_callback_handler(ctl_cb_idx); | |
6670 | ||
77e63ed4 KD |
6671 | mpt2sas_base_release_callback_handler(tm_tr_cb_idx); |
6672 | mpt2sas_base_release_callback_handler(tm_sas_control_cb_idx); | |
6673 | ||
f7c95ef0 KD |
6674 | /* raid transport support */ |
6675 | raid_class_release(mpt2sas_raid_template); | |
6676 | sas_release_transport(mpt2sas_transport_template); | |
6677 | ||
635374e7 EM |
6678 | } |
6679 | ||
d5d135b3 EM |
6680 | module_init(_scsih_init); |
6681 | module_exit(_scsih_exit); |