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635374e7 EM |
1 | /* |
2 | * Scsi Host Layer for MPT (Message Passing Technology) based controllers | |
3 | * | |
4 | * This code is based on drivers/scsi/mpt2sas/mpt2_scsih.c | |
31b7f2e2 | 5 | * Copyright (C) 2007-2010 LSI Corporation |
635374e7 EM |
6 | * (mailto:DL-MPTFusionLinux@lsi.com) |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License | |
10 | * as published by the Free Software Foundation; either version 2 | |
11 | * of the License, or (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * NO WARRANTY | |
19 | * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR | |
20 | * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT | |
21 | * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, | |
22 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is | |
23 | * solely responsible for determining the appropriateness of using and | |
24 | * distributing the Program and assumes all risks associated with its | |
25 | * exercise of rights under this Agreement, including but not limited to | |
26 | * the risks and costs of program errors, damage to or loss of data, | |
27 | * programs or equipment, and unavailability or interruption of operations. | |
28 | ||
29 | * DISCLAIMER OF LIABILITY | |
30 | * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY | |
31 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
32 | * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND | |
33 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR | |
34 | * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE | |
35 | * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED | |
36 | * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES | |
37 | ||
38 | * You should have received a copy of the GNU General Public License | |
39 | * along with this program; if not, write to the Free Software | |
40 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, | |
41 | * USA. | |
42 | */ | |
43 | ||
44 | #include <linux/version.h> | |
45 | #include <linux/module.h> | |
46 | #include <linux/kernel.h> | |
47 | #include <linux/init.h> | |
48 | #include <linux/errno.h> | |
49 | #include <linux/blkdev.h> | |
50 | #include <linux/sched.h> | |
51 | #include <linux/workqueue.h> | |
52 | #include <linux/delay.h> | |
53 | #include <linux/pci.h> | |
54 | #include <linux/interrupt.h> | |
ef7c80c1 | 55 | #include <linux/aer.h> |
f7c95ef0 | 56 | #include <linux/raid_class.h> |
5a0e3ad6 | 57 | #include <linux/slab.h> |
635374e7 EM |
58 | |
59 | #include "mpt2sas_base.h" | |
60 | ||
61 | MODULE_AUTHOR(MPT2SAS_AUTHOR); | |
62 | MODULE_DESCRIPTION(MPT2SAS_DESCRIPTION); | |
63 | MODULE_LICENSE("GPL"); | |
64 | MODULE_VERSION(MPT2SAS_DRIVER_VERSION); | |
65 | ||
66 | #define RAID_CHANNEL 1 | |
67 | ||
68 | /* forward proto's */ | |
69 | static void _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc, | |
70 | struct _sas_node *sas_expander); | |
71 | static void _firmware_event_work(struct work_struct *work); | |
72 | ||
f3eedd69 KD |
73 | static u8 _scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER *ioc, u16 smid); |
74 | ||
635374e7 | 75 | /* global parameters */ |
ba33fadf | 76 | LIST_HEAD(mpt2sas_ioc_list); |
635374e7 EM |
77 | |
78 | /* local parameters */ | |
635374e7 EM |
79 | static u8 scsi_io_cb_idx = -1; |
80 | static u8 tm_cb_idx = -1; | |
81 | static u8 ctl_cb_idx = -1; | |
82 | static u8 base_cb_idx = -1; | |
83 | static u8 transport_cb_idx = -1; | |
744090d3 | 84 | static u8 scsih_cb_idx = -1; |
635374e7 EM |
85 | static u8 config_cb_idx = -1; |
86 | static int mpt_ids; | |
87 | ||
77e63ed4 | 88 | static u8 tm_tr_cb_idx = -1 ; |
f3eedd69 | 89 | static u8 tm_tr_volume_cb_idx = -1 ; |
77e63ed4 KD |
90 | static u8 tm_sas_control_cb_idx = -1; |
91 | ||
635374e7 | 92 | /* command line options */ |
ba33fadf | 93 | static u32 logging_level; |
635374e7 EM |
94 | MODULE_PARM_DESC(logging_level, " bits for enabling additional logging info " |
95 | "(default=0)"); | |
96 | ||
a3e1e55e KD |
97 | static ushort max_sectors = 0xFFFF; |
98 | module_param(max_sectors, ushort, 0); | |
99 | MODULE_PARM_DESC(max_sectors, "max sectors, range 64 to 8192 default=8192"); | |
100 | ||
635374e7 EM |
101 | /* scsi-mid layer global parmeter is max_report_luns, which is 511 */ |
102 | #define MPT2SAS_MAX_LUN (16895) | |
103 | static int max_lun = MPT2SAS_MAX_LUN; | |
104 | module_param(max_lun, int, 0); | |
105 | MODULE_PARM_DESC(max_lun, " max lun, default=16895 "); | |
106 | ||
107 | /** | |
108 | * struct sense_info - common structure for obtaining sense keys | |
109 | * @skey: sense key | |
110 | * @asc: additional sense code | |
111 | * @ascq: additional sense code qualifier | |
112 | */ | |
113 | struct sense_info { | |
114 | u8 skey; | |
115 | u8 asc; | |
116 | u8 ascq; | |
117 | }; | |
118 | ||
119 | ||
3ace8e05 | 120 | #define MPT2SAS_TURN_ON_FAULT_LED (0xFFFC) |
f1c35e6a KD |
121 | #define MPT2SAS_RESCAN_AFTER_HOST_RESET (0xFFFF) |
122 | ||
635374e7 EM |
123 | /** |
124 | * struct fw_event_work - firmware event struct | |
125 | * @list: link list framework | |
126 | * @work: work object (ioc->fault_reset_work_q) | |
f1c35e6a | 127 | * @cancel_pending_work: flag set during reset handling |
635374e7 | 128 | * @ioc: per adapter object |
3ace8e05 | 129 | * @device_handle: device handle |
635374e7 | 130 | * @VF_ID: virtual function id |
7b936b02 | 131 | * @VP_ID: virtual port id |
635374e7 EM |
132 | * @ignore: flag meaning this event has been marked to ignore |
133 | * @event: firmware event MPI2_EVENT_XXX defined in mpt2_ioc.h | |
134 | * @event_data: reply event data payload follows | |
135 | * | |
136 | * This object stored on ioc->fw_event_list. | |
137 | */ | |
138 | struct fw_event_work { | |
139 | struct list_head list; | |
f1c35e6a KD |
140 | u8 cancel_pending_work; |
141 | struct delayed_work delayed_work; | |
635374e7 | 142 | struct MPT2SAS_ADAPTER *ioc; |
3ace8e05 | 143 | u16 device_handle; |
635374e7 | 144 | u8 VF_ID; |
7b936b02 | 145 | u8 VP_ID; |
635374e7 EM |
146 | u8 ignore; |
147 | u16 event; | |
148 | void *event_data; | |
149 | }; | |
150 | ||
f7c95ef0 KD |
151 | /* raid transport support */ |
152 | static struct raid_template *mpt2sas_raid_template; | |
153 | ||
635374e7 EM |
154 | /** |
155 | * struct _scsi_io_transfer - scsi io transfer | |
156 | * @handle: sas device handle (assigned by firmware) | |
157 | * @is_raid: flag set for hidden raid components | |
158 | * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE, | |
159 | * @data_length: data transfer length | |
160 | * @data_dma: dma pointer to data | |
161 | * @sense: sense data | |
162 | * @lun: lun number | |
163 | * @cdb_length: cdb length | |
164 | * @cdb: cdb contents | |
635374e7 | 165 | * @timeout: timeout for this command |
7b936b02 KD |
166 | * @VF_ID: virtual function id |
167 | * @VP_ID: virtual port id | |
168 | * @valid_reply: flag set for reply message | |
635374e7 EM |
169 | * @sense_length: sense length |
170 | * @ioc_status: ioc status | |
171 | * @scsi_state: scsi state | |
172 | * @scsi_status: scsi staus | |
173 | * @log_info: log information | |
174 | * @transfer_length: data length transfer when there is a reply message | |
175 | * | |
176 | * Used for sending internal scsi commands to devices within this module. | |
177 | * Refer to _scsi_send_scsi_io(). | |
178 | */ | |
179 | struct _scsi_io_transfer { | |
180 | u16 handle; | |
181 | u8 is_raid; | |
182 | enum dma_data_direction dir; | |
183 | u32 data_length; | |
184 | dma_addr_t data_dma; | |
185 | u8 sense[SCSI_SENSE_BUFFERSIZE]; | |
186 | u32 lun; | |
187 | u8 cdb_length; | |
188 | u8 cdb[32]; | |
189 | u8 timeout; | |
7b936b02 KD |
190 | u8 VF_ID; |
191 | u8 VP_ID; | |
635374e7 EM |
192 | u8 valid_reply; |
193 | /* the following bits are only valid when 'valid_reply = 1' */ | |
194 | u32 sense_length; | |
195 | u16 ioc_status; | |
196 | u8 scsi_state; | |
197 | u8 scsi_status; | |
198 | u32 log_info; | |
199 | u32 transfer_length; | |
200 | }; | |
201 | ||
202 | /* | |
203 | * The pci device ids are defined in mpi/mpi2_cnfg.h. | |
204 | */ | |
205 | static struct pci_device_id scsih_pci_table[] = { | |
206 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004, | |
207 | PCI_ANY_ID, PCI_ANY_ID }, | |
208 | /* Falcon ~ 2008*/ | |
209 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008, | |
210 | PCI_ANY_ID, PCI_ANY_ID }, | |
211 | /* Liberator ~ 2108 */ | |
212 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1, | |
213 | PCI_ANY_ID, PCI_ANY_ID }, | |
214 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2, | |
215 | PCI_ANY_ID, PCI_ANY_ID }, | |
216 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3, | |
217 | PCI_ANY_ID, PCI_ANY_ID }, | |
db27136a | 218 | /* Meteor ~ 2116 */ |
635374e7 EM |
219 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1, |
220 | PCI_ANY_ID, PCI_ANY_ID }, | |
221 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2, | |
222 | PCI_ANY_ID, PCI_ANY_ID }, | |
db27136a KD |
223 | /* Thunderbolt ~ 2208 */ |
224 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1, | |
225 | PCI_ANY_ID, PCI_ANY_ID }, | |
226 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_2, | |
227 | PCI_ANY_ID, PCI_ANY_ID }, | |
228 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_3, | |
229 | PCI_ANY_ID, PCI_ANY_ID }, | |
230 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_4, | |
231 | PCI_ANY_ID, PCI_ANY_ID }, | |
232 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_5, | |
233 | PCI_ANY_ID, PCI_ANY_ID }, | |
234 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6, | |
235 | PCI_ANY_ID, PCI_ANY_ID }, | |
203d65b1 KD |
236 | /* Mustang ~ 2308 */ |
237 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_1, | |
db27136a | 238 | PCI_ANY_ID, PCI_ANY_ID }, |
203d65b1 KD |
239 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2, |
240 | PCI_ANY_ID, PCI_ANY_ID }, | |
241 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_3, | |
db27136a | 242 | PCI_ANY_ID, PCI_ANY_ID }, |
0bdccdb0 KD |
243 | /* SSS6200 */ |
244 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SSS6200, | |
245 | PCI_ANY_ID, PCI_ANY_ID }, | |
635374e7 EM |
246 | {0} /* Terminating entry */ |
247 | }; | |
248 | MODULE_DEVICE_TABLE(pci, scsih_pci_table); | |
249 | ||
250 | /** | |
d5d135b3 | 251 | * _scsih_set_debug_level - global setting of ioc->logging_level. |
635374e7 EM |
252 | * |
253 | * Note: The logging levels are defined in mpt2sas_debug.h. | |
254 | */ | |
255 | static int | |
d5d135b3 | 256 | _scsih_set_debug_level(const char *val, struct kernel_param *kp) |
635374e7 EM |
257 | { |
258 | int ret = param_set_int(val, kp); | |
259 | struct MPT2SAS_ADAPTER *ioc; | |
260 | ||
261 | if (ret) | |
262 | return ret; | |
263 | ||
264 | printk(KERN_INFO "setting logging_level(0x%08x)\n", logging_level); | |
ba33fadf | 265 | list_for_each_entry(ioc, &mpt2sas_ioc_list, list) |
635374e7 EM |
266 | ioc->logging_level = logging_level; |
267 | return 0; | |
268 | } | |
d5d135b3 | 269 | module_param_call(logging_level, _scsih_set_debug_level, param_get_int, |
635374e7 EM |
270 | &logging_level, 0644); |
271 | ||
272 | /** | |
273 | * _scsih_srch_boot_sas_address - search based on sas_address | |
274 | * @sas_address: sas address | |
275 | * @boot_device: boot device object from bios page 2 | |
276 | * | |
277 | * Returns 1 when there's a match, 0 means no match. | |
278 | */ | |
279 | static inline int | |
280 | _scsih_srch_boot_sas_address(u64 sas_address, | |
281 | Mpi2BootDeviceSasWwid_t *boot_device) | |
282 | { | |
283 | return (sas_address == le64_to_cpu(boot_device->SASAddress)) ? 1 : 0; | |
284 | } | |
285 | ||
286 | /** | |
287 | * _scsih_srch_boot_device_name - search based on device name | |
288 | * @device_name: device name specified in INDENTIFY fram | |
289 | * @boot_device: boot device object from bios page 2 | |
290 | * | |
291 | * Returns 1 when there's a match, 0 means no match. | |
292 | */ | |
293 | static inline int | |
294 | _scsih_srch_boot_device_name(u64 device_name, | |
295 | Mpi2BootDeviceDeviceName_t *boot_device) | |
296 | { | |
297 | return (device_name == le64_to_cpu(boot_device->DeviceName)) ? 1 : 0; | |
298 | } | |
299 | ||
300 | /** | |
301 | * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot | |
302 | * @enclosure_logical_id: enclosure logical id | |
303 | * @slot_number: slot number | |
304 | * @boot_device: boot device object from bios page 2 | |
305 | * | |
306 | * Returns 1 when there's a match, 0 means no match. | |
307 | */ | |
308 | static inline int | |
309 | _scsih_srch_boot_encl_slot(u64 enclosure_logical_id, u16 slot_number, | |
310 | Mpi2BootDeviceEnclosureSlot_t *boot_device) | |
311 | { | |
312 | return (enclosure_logical_id == le64_to_cpu(boot_device-> | |
313 | EnclosureLogicalID) && slot_number == le16_to_cpu(boot_device-> | |
314 | SlotNumber)) ? 1 : 0; | |
315 | } | |
316 | ||
317 | /** | |
318 | * _scsih_is_boot_device - search for matching boot device. | |
319 | * @sas_address: sas address | |
320 | * @device_name: device name specified in INDENTIFY fram | |
321 | * @enclosure_logical_id: enclosure logical id | |
322 | * @slot_number: slot number | |
323 | * @form: specifies boot device form | |
324 | * @boot_device: boot device object from bios page 2 | |
325 | * | |
326 | * Returns 1 when there's a match, 0 means no match. | |
327 | */ | |
328 | static int | |
329 | _scsih_is_boot_device(u64 sas_address, u64 device_name, | |
330 | u64 enclosure_logical_id, u16 slot, u8 form, | |
331 | Mpi2BiosPage2BootDevice_t *boot_device) | |
332 | { | |
333 | int rc = 0; | |
334 | ||
335 | switch (form) { | |
336 | case MPI2_BIOSPAGE2_FORM_SAS_WWID: | |
337 | if (!sas_address) | |
338 | break; | |
339 | rc = _scsih_srch_boot_sas_address( | |
340 | sas_address, &boot_device->SasWwid); | |
341 | break; | |
342 | case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT: | |
343 | if (!enclosure_logical_id) | |
344 | break; | |
345 | rc = _scsih_srch_boot_encl_slot( | |
346 | enclosure_logical_id, | |
347 | slot, &boot_device->EnclosureSlot); | |
348 | break; | |
349 | case MPI2_BIOSPAGE2_FORM_DEVICE_NAME: | |
350 | if (!device_name) | |
351 | break; | |
352 | rc = _scsih_srch_boot_device_name( | |
353 | device_name, &boot_device->DeviceName); | |
354 | break; | |
355 | case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED: | |
356 | break; | |
357 | } | |
358 | ||
359 | return rc; | |
360 | } | |
361 | ||
c5e039be KD |
362 | /** |
363 | * _scsih_get_sas_address - set the sas_address for given device handle | |
364 | * @handle: device handle | |
365 | * @sas_address: sas address | |
366 | * | |
367 | * Returns 0 success, non-zero when failure | |
368 | */ | |
369 | static int | |
370 | _scsih_get_sas_address(struct MPT2SAS_ADAPTER *ioc, u16 handle, | |
371 | u64 *sas_address) | |
372 | { | |
373 | Mpi2SasDevicePage0_t sas_device_pg0; | |
374 | Mpi2ConfigReply_t mpi_reply; | |
375 | u32 ioc_status; | |
376 | ||
377 | if (handle <= ioc->sas_hba.num_phys) { | |
378 | *sas_address = ioc->sas_hba.sas_address; | |
379 | return 0; | |
380 | } else | |
381 | *sas_address = 0; | |
382 | ||
383 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
384 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { | |
385 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
386 | ioc->name, __FILE__, __LINE__, __func__); | |
387 | return -ENXIO; | |
388 | } | |
389 | ||
390 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
391 | MPI2_IOCSTATUS_MASK; | |
392 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
393 | printk(MPT2SAS_ERR_FMT "handle(0x%04x), ioc_status(0x%04x)" | |
394 | "\nfailure at %s:%d/%s()!\n", ioc->name, handle, ioc_status, | |
395 | __FILE__, __LINE__, __func__); | |
396 | return -EIO; | |
397 | } | |
398 | ||
399 | *sas_address = le64_to_cpu(sas_device_pg0.SASAddress); | |
400 | return 0; | |
401 | } | |
402 | ||
635374e7 EM |
403 | /** |
404 | * _scsih_determine_boot_device - determine boot device. | |
405 | * @ioc: per adapter object | |
406 | * @device: either sas_device or raid_device object | |
407 | * @is_raid: [flag] 1 = raid object, 0 = sas object | |
408 | * | |
409 | * Determines whether this device should be first reported device to | |
25985edc | 410 | * to scsi-ml or sas transport, this purpose is for persistent boot device. |
635374e7 EM |
411 | * There are primary, alternate, and current entries in bios page 2. The order |
412 | * priority is primary, alternate, then current. This routine saves | |
413 | * the corresponding device object and is_raid flag in the ioc object. | |
414 | * The saved data to be used later in _scsih_probe_boot_devices(). | |
415 | */ | |
416 | static void | |
417 | _scsih_determine_boot_device(struct MPT2SAS_ADAPTER *ioc, | |
418 | void *device, u8 is_raid) | |
419 | { | |
420 | struct _sas_device *sas_device; | |
421 | struct _raid_device *raid_device; | |
422 | u64 sas_address; | |
423 | u64 device_name; | |
424 | u64 enclosure_logical_id; | |
425 | u16 slot; | |
426 | ||
427 | /* only process this function when driver loads */ | |
428 | if (!ioc->wait_for_port_enable_to_complete) | |
429 | return; | |
430 | ||
431 | if (!is_raid) { | |
432 | sas_device = device; | |
433 | sas_address = sas_device->sas_address; | |
434 | device_name = sas_device->device_name; | |
435 | enclosure_logical_id = sas_device->enclosure_logical_id; | |
436 | slot = sas_device->slot; | |
437 | } else { | |
438 | raid_device = device; | |
439 | sas_address = raid_device->wwid; | |
440 | device_name = 0; | |
441 | enclosure_logical_id = 0; | |
442 | slot = 0; | |
443 | } | |
444 | ||
445 | if (!ioc->req_boot_device.device) { | |
446 | if (_scsih_is_boot_device(sas_address, device_name, | |
447 | enclosure_logical_id, slot, | |
448 | (ioc->bios_pg2.ReqBootDeviceForm & | |
449 | MPI2_BIOSPAGE2_FORM_MASK), | |
450 | &ioc->bios_pg2.RequestedBootDevice)) { | |
eabb08ad | 451 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT |
635374e7 EM |
452 | "%s: req_boot_device(0x%016llx)\n", |
453 | ioc->name, __func__, | |
454 | (unsigned long long)sas_address)); | |
455 | ioc->req_boot_device.device = device; | |
456 | ioc->req_boot_device.is_raid = is_raid; | |
457 | } | |
458 | } | |
459 | ||
460 | if (!ioc->req_alt_boot_device.device) { | |
461 | if (_scsih_is_boot_device(sas_address, device_name, | |
462 | enclosure_logical_id, slot, | |
463 | (ioc->bios_pg2.ReqAltBootDeviceForm & | |
464 | MPI2_BIOSPAGE2_FORM_MASK), | |
465 | &ioc->bios_pg2.RequestedAltBootDevice)) { | |
eabb08ad | 466 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT |
635374e7 EM |
467 | "%s: req_alt_boot_device(0x%016llx)\n", |
468 | ioc->name, __func__, | |
469 | (unsigned long long)sas_address)); | |
470 | ioc->req_alt_boot_device.device = device; | |
471 | ioc->req_alt_boot_device.is_raid = is_raid; | |
472 | } | |
473 | } | |
474 | ||
475 | if (!ioc->current_boot_device.device) { | |
476 | if (_scsih_is_boot_device(sas_address, device_name, | |
477 | enclosure_logical_id, slot, | |
478 | (ioc->bios_pg2.CurrentBootDeviceForm & | |
479 | MPI2_BIOSPAGE2_FORM_MASK), | |
480 | &ioc->bios_pg2.CurrentBootDevice)) { | |
eabb08ad | 481 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT |
635374e7 EM |
482 | "%s: current_boot_device(0x%016llx)\n", |
483 | ioc->name, __func__, | |
484 | (unsigned long long)sas_address)); | |
485 | ioc->current_boot_device.device = device; | |
486 | ioc->current_boot_device.is_raid = is_raid; | |
487 | } | |
488 | } | |
489 | } | |
490 | ||
491 | /** | |
492 | * mpt2sas_scsih_sas_device_find_by_sas_address - sas device search | |
493 | * @ioc: per adapter object | |
494 | * @sas_address: sas address | |
495 | * Context: Calling function should acquire ioc->sas_device_lock | |
496 | * | |
497 | * This searches for sas_device based on sas_address, then return sas_device | |
498 | * object. | |
499 | */ | |
500 | struct _sas_device * | |
501 | mpt2sas_scsih_sas_device_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc, | |
502 | u64 sas_address) | |
503 | { | |
cd9843f8 | 504 | struct _sas_device *sas_device; |
635374e7 | 505 | |
cd9843f8 KD |
506 | list_for_each_entry(sas_device, &ioc->sas_device_list, list) |
507 | if (sas_device->sas_address == sas_address) | |
508 | return sas_device; | |
509 | ||
510 | list_for_each_entry(sas_device, &ioc->sas_device_init_list, list) | |
511 | if (sas_device->sas_address == sas_address) | |
512 | return sas_device; | |
513 | ||
514 | return NULL; | |
635374e7 EM |
515 | } |
516 | ||
517 | /** | |
518 | * _scsih_sas_device_find_by_handle - sas device search | |
519 | * @ioc: per adapter object | |
520 | * @handle: sas device handle (assigned by firmware) | |
521 | * Context: Calling function should acquire ioc->sas_device_lock | |
522 | * | |
523 | * This searches for sas_device based on sas_address, then return sas_device | |
524 | * object. | |
525 | */ | |
526 | static struct _sas_device * | |
527 | _scsih_sas_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
528 | { | |
cd9843f8 KD |
529 | struct _sas_device *sas_device; |
530 | ||
531 | list_for_each_entry(sas_device, &ioc->sas_device_list, list) | |
532 | if (sas_device->handle == handle) | |
533 | return sas_device; | |
534 | ||
535 | list_for_each_entry(sas_device, &ioc->sas_device_init_list, list) | |
536 | if (sas_device->handle == handle) | |
537 | return sas_device; | |
635374e7 | 538 | |
cd9843f8 | 539 | return NULL; |
635374e7 EM |
540 | } |
541 | ||
542 | /** | |
543 | * _scsih_sas_device_remove - remove sas_device from list. | |
544 | * @ioc: per adapter object | |
545 | * @sas_device: the sas_device object | |
546 | * Context: This function will acquire ioc->sas_device_lock. | |
547 | * | |
548 | * Removing object and freeing associated memory from the ioc->sas_device_list. | |
549 | */ | |
550 | static void | |
551 | _scsih_sas_device_remove(struct MPT2SAS_ADAPTER *ioc, | |
552 | struct _sas_device *sas_device) | |
553 | { | |
554 | unsigned long flags; | |
555 | ||
980ead31 KD |
556 | if (!sas_device) |
557 | return; | |
558 | ||
635374e7 | 559 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
980ead31 KD |
560 | if (mpt2sas_scsih_sas_device_find_by_sas_address(ioc, |
561 | sas_device->sas_address)) { | |
562 | list_del(&sas_device->list); | |
563 | kfree(sas_device); | |
564 | } | |
635374e7 EM |
565 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
566 | } | |
567 | ||
568 | /** | |
569 | * _scsih_sas_device_add - insert sas_device to the list. | |
570 | * @ioc: per adapter object | |
571 | * @sas_device: the sas_device object | |
572 | * Context: This function will acquire ioc->sas_device_lock. | |
573 | * | |
574 | * Adding new object to the ioc->sas_device_list. | |
575 | */ | |
576 | static void | |
577 | _scsih_sas_device_add(struct MPT2SAS_ADAPTER *ioc, | |
578 | struct _sas_device *sas_device) | |
579 | { | |
580 | unsigned long flags; | |
635374e7 | 581 | |
eabb08ad | 582 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle" |
635374e7 EM |
583 | "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, |
584 | sas_device->handle, (unsigned long long)sas_device->sas_address)); | |
585 | ||
586 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
587 | list_add_tail(&sas_device->list, &ioc->sas_device_list); | |
588 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
589 | ||
c5e039be KD |
590 | if (!mpt2sas_transport_port_add(ioc, sas_device->handle, |
591 | sas_device->sas_address_parent)) | |
635374e7 | 592 | _scsih_sas_device_remove(ioc, sas_device); |
635374e7 EM |
593 | } |
594 | ||
595 | /** | |
596 | * _scsih_sas_device_init_add - insert sas_device to the list. | |
597 | * @ioc: per adapter object | |
598 | * @sas_device: the sas_device object | |
599 | * Context: This function will acquire ioc->sas_device_lock. | |
600 | * | |
601 | * Adding new object at driver load time to the ioc->sas_device_init_list. | |
602 | */ | |
603 | static void | |
604 | _scsih_sas_device_init_add(struct MPT2SAS_ADAPTER *ioc, | |
605 | struct _sas_device *sas_device) | |
606 | { | |
607 | unsigned long flags; | |
608 | ||
eabb08ad | 609 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle" |
635374e7 EM |
610 | "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, |
611 | sas_device->handle, (unsigned long long)sas_device->sas_address)); | |
612 | ||
613 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
614 | list_add_tail(&sas_device->list, &ioc->sas_device_init_list); | |
615 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
616 | _scsih_determine_boot_device(ioc, sas_device, 0); | |
617 | } | |
618 | ||
635374e7 EM |
619 | /** |
620 | * _scsih_raid_device_find_by_id - raid device search | |
621 | * @ioc: per adapter object | |
622 | * @id: sas device target id | |
623 | * @channel: sas device channel | |
624 | * Context: Calling function should acquire ioc->raid_device_lock | |
625 | * | |
626 | * This searches for raid_device based on target id, then return raid_device | |
627 | * object. | |
628 | */ | |
629 | static struct _raid_device * | |
630 | _scsih_raid_device_find_by_id(struct MPT2SAS_ADAPTER *ioc, int id, int channel) | |
631 | { | |
632 | struct _raid_device *raid_device, *r; | |
633 | ||
634 | r = NULL; | |
635 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { | |
636 | if (raid_device->id == id && raid_device->channel == channel) { | |
637 | r = raid_device; | |
638 | goto out; | |
639 | } | |
640 | } | |
641 | ||
642 | out: | |
643 | return r; | |
644 | } | |
645 | ||
646 | /** | |
647 | * _scsih_raid_device_find_by_handle - raid device search | |
648 | * @ioc: per adapter object | |
649 | * @handle: sas device handle (assigned by firmware) | |
650 | * Context: Calling function should acquire ioc->raid_device_lock | |
651 | * | |
652 | * This searches for raid_device based on handle, then return raid_device | |
653 | * object. | |
654 | */ | |
655 | static struct _raid_device * | |
656 | _scsih_raid_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
657 | { | |
658 | struct _raid_device *raid_device, *r; | |
659 | ||
660 | r = NULL; | |
661 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { | |
662 | if (raid_device->handle != handle) | |
663 | continue; | |
664 | r = raid_device; | |
665 | goto out; | |
666 | } | |
667 | ||
668 | out: | |
669 | return r; | |
670 | } | |
671 | ||
672 | /** | |
673 | * _scsih_raid_device_find_by_wwid - raid device search | |
674 | * @ioc: per adapter object | |
675 | * @handle: sas device handle (assigned by firmware) | |
676 | * Context: Calling function should acquire ioc->raid_device_lock | |
677 | * | |
678 | * This searches for raid_device based on wwid, then return raid_device | |
679 | * object. | |
680 | */ | |
681 | static struct _raid_device * | |
682 | _scsih_raid_device_find_by_wwid(struct MPT2SAS_ADAPTER *ioc, u64 wwid) | |
683 | { | |
684 | struct _raid_device *raid_device, *r; | |
685 | ||
686 | r = NULL; | |
687 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { | |
688 | if (raid_device->wwid != wwid) | |
689 | continue; | |
690 | r = raid_device; | |
691 | goto out; | |
692 | } | |
693 | ||
694 | out: | |
695 | return r; | |
696 | } | |
697 | ||
698 | /** | |
699 | * _scsih_raid_device_add - add raid_device object | |
700 | * @ioc: per adapter object | |
701 | * @raid_device: raid_device object | |
702 | * | |
703 | * This is added to the raid_device_list link list. | |
704 | */ | |
705 | static void | |
706 | _scsih_raid_device_add(struct MPT2SAS_ADAPTER *ioc, | |
707 | struct _raid_device *raid_device) | |
708 | { | |
709 | unsigned long flags; | |
710 | ||
eabb08ad | 711 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle" |
635374e7 EM |
712 | "(0x%04x), wwid(0x%016llx)\n", ioc->name, __func__, |
713 | raid_device->handle, (unsigned long long)raid_device->wwid)); | |
714 | ||
715 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
716 | list_add_tail(&raid_device->list, &ioc->raid_device_list); | |
717 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
718 | } | |
719 | ||
720 | /** | |
721 | * _scsih_raid_device_remove - delete raid_device object | |
722 | * @ioc: per adapter object | |
723 | * @raid_device: raid_device object | |
724 | * | |
725 | * This is removed from the raid_device_list link list. | |
726 | */ | |
727 | static void | |
728 | _scsih_raid_device_remove(struct MPT2SAS_ADAPTER *ioc, | |
729 | struct _raid_device *raid_device) | |
730 | { | |
731 | unsigned long flags; | |
732 | ||
733 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
734 | list_del(&raid_device->list); | |
735 | memset(raid_device, 0, sizeof(struct _raid_device)); | |
736 | kfree(raid_device); | |
737 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
738 | } | |
739 | ||
c5e039be KD |
740 | /** |
741 | * mpt2sas_scsih_expander_find_by_handle - expander device search | |
742 | * @ioc: per adapter object | |
743 | * @handle: expander handle (assigned by firmware) | |
744 | * Context: Calling function should acquire ioc->sas_device_lock | |
745 | * | |
746 | * This searches for expander device based on handle, then returns the | |
747 | * sas_node object. | |
748 | */ | |
749 | struct _sas_node * | |
750 | mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
751 | { | |
752 | struct _sas_node *sas_expander, *r; | |
753 | ||
754 | r = NULL; | |
755 | list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { | |
756 | if (sas_expander->handle != handle) | |
757 | continue; | |
758 | r = sas_expander; | |
759 | goto out; | |
760 | } | |
761 | out: | |
762 | return r; | |
763 | } | |
764 | ||
635374e7 EM |
765 | /** |
766 | * mpt2sas_scsih_expander_find_by_sas_address - expander device search | |
767 | * @ioc: per adapter object | |
768 | * @sas_address: sas address | |
769 | * Context: Calling function should acquire ioc->sas_node_lock. | |
770 | * | |
771 | * This searches for expander device based on sas_address, then returns the | |
772 | * sas_node object. | |
773 | */ | |
774 | struct _sas_node * | |
775 | mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc, | |
776 | u64 sas_address) | |
777 | { | |
778 | struct _sas_node *sas_expander, *r; | |
779 | ||
780 | r = NULL; | |
781 | list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { | |
782 | if (sas_expander->sas_address != sas_address) | |
783 | continue; | |
784 | r = sas_expander; | |
785 | goto out; | |
786 | } | |
787 | out: | |
788 | return r; | |
789 | } | |
790 | ||
791 | /** | |
792 | * _scsih_expander_node_add - insert expander device to the list. | |
793 | * @ioc: per adapter object | |
794 | * @sas_expander: the sas_device object | |
795 | * Context: This function will acquire ioc->sas_node_lock. | |
796 | * | |
797 | * Adding new object to the ioc->sas_expander_list. | |
798 | * | |
799 | * Return nothing. | |
800 | */ | |
801 | static void | |
802 | _scsih_expander_node_add(struct MPT2SAS_ADAPTER *ioc, | |
803 | struct _sas_node *sas_expander) | |
804 | { | |
805 | unsigned long flags; | |
806 | ||
807 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
808 | list_add_tail(&sas_expander->list, &ioc->sas_expander_list); | |
809 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
810 | } | |
811 | ||
812 | /** | |
813 | * _scsih_is_end_device - determines if device is an end device | |
814 | * @device_info: bitfield providing information about the device. | |
815 | * Context: none | |
816 | * | |
817 | * Returns 1 if end device. | |
818 | */ | |
819 | static int | |
820 | _scsih_is_end_device(u32 device_info) | |
821 | { | |
822 | if (device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE && | |
823 | ((device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) | | |
824 | (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) | | |
825 | (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE))) | |
826 | return 1; | |
827 | else | |
828 | return 0; | |
829 | } | |
830 | ||
831 | /** | |
ec07a053 | 832 | * _scsih_scsi_lookup_get - returns scmd entry |
635374e7 EM |
833 | * @ioc: per adapter object |
834 | * @smid: system request message index | |
635374e7 EM |
835 | * |
836 | * Returns the smid stored scmd pointer. | |
837 | */ | |
838 | static struct scsi_cmnd * | |
839 | _scsih_scsi_lookup_get(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
840 | { | |
595bb0bd | 841 | return ioc->scsi_lookup[smid - 1].scmd; |
635374e7 EM |
842 | } |
843 | ||
ec07a053 KD |
844 | /** |
845 | * _scsih_scsi_lookup_get_clear - returns scmd entry | |
846 | * @ioc: per adapter object | |
847 | * @smid: system request message index | |
848 | * | |
849 | * Returns the smid stored scmd pointer. | |
850 | * Then will derefrence the stored scmd pointer. | |
851 | */ | |
852 | static inline struct scsi_cmnd * | |
853 | _scsih_scsi_lookup_get_clear(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
854 | { | |
855 | unsigned long flags; | |
856 | struct scsi_cmnd *scmd; | |
857 | ||
858 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
859 | scmd = ioc->scsi_lookup[smid - 1].scmd; | |
860 | ioc->scsi_lookup[smid - 1].scmd = NULL; | |
861 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
862 | ||
863 | return scmd; | |
864 | } | |
865 | ||
635374e7 EM |
866 | /** |
867 | * _scsih_scsi_lookup_find_by_scmd - scmd lookup | |
868 | * @ioc: per adapter object | |
869 | * @smid: system request message index | |
870 | * @scmd: pointer to scsi command object | |
871 | * Context: This function will acquire ioc->scsi_lookup_lock. | |
872 | * | |
873 | * This will search for a scmd pointer in the scsi_lookup array, | |
874 | * returning the revelent smid. A returned value of zero means invalid. | |
875 | */ | |
876 | static u16 | |
877 | _scsih_scsi_lookup_find_by_scmd(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd | |
878 | *scmd) | |
879 | { | |
880 | u16 smid; | |
881 | unsigned long flags; | |
882 | int i; | |
883 | ||
884 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
885 | smid = 0; | |
595bb0bd | 886 | for (i = 0; i < ioc->scsiio_depth; i++) { |
635374e7 | 887 | if (ioc->scsi_lookup[i].scmd == scmd) { |
595bb0bd | 888 | smid = ioc->scsi_lookup[i].smid; |
635374e7 EM |
889 | goto out; |
890 | } | |
891 | } | |
892 | out: | |
893 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
894 | return smid; | |
895 | } | |
896 | ||
897 | /** | |
898 | * _scsih_scsi_lookup_find_by_target - search for matching channel:id | |
899 | * @ioc: per adapter object | |
900 | * @id: target id | |
901 | * @channel: channel | |
902 | * Context: This function will acquire ioc->scsi_lookup_lock. | |
903 | * | |
904 | * This will search for a matching channel:id in the scsi_lookup array, | |
905 | * returning 1 if found. | |
906 | */ | |
907 | static u8 | |
908 | _scsih_scsi_lookup_find_by_target(struct MPT2SAS_ADAPTER *ioc, int id, | |
909 | int channel) | |
910 | { | |
911 | u8 found; | |
912 | unsigned long flags; | |
913 | int i; | |
914 | ||
915 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
916 | found = 0; | |
595bb0bd | 917 | for (i = 0 ; i < ioc->scsiio_depth; i++) { |
635374e7 EM |
918 | if (ioc->scsi_lookup[i].scmd && |
919 | (ioc->scsi_lookup[i].scmd->device->id == id && | |
920 | ioc->scsi_lookup[i].scmd->device->channel == channel)) { | |
921 | found = 1; | |
922 | goto out; | |
923 | } | |
924 | } | |
925 | out: | |
926 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
927 | return found; | |
928 | } | |
929 | ||
993e0da7 EM |
930 | /** |
931 | * _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun | |
932 | * @ioc: per adapter object | |
933 | * @id: target id | |
934 | * @lun: lun number | |
935 | * @channel: channel | |
936 | * Context: This function will acquire ioc->scsi_lookup_lock. | |
937 | * | |
938 | * This will search for a matching channel:id:lun in the scsi_lookup array, | |
939 | * returning 1 if found. | |
940 | */ | |
941 | static u8 | |
942 | _scsih_scsi_lookup_find_by_lun(struct MPT2SAS_ADAPTER *ioc, int id, | |
943 | unsigned int lun, int channel) | |
944 | { | |
945 | u8 found; | |
946 | unsigned long flags; | |
947 | int i; | |
948 | ||
949 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
950 | found = 0; | |
595bb0bd | 951 | for (i = 0 ; i < ioc->scsiio_depth; i++) { |
993e0da7 EM |
952 | if (ioc->scsi_lookup[i].scmd && |
953 | (ioc->scsi_lookup[i].scmd->device->id == id && | |
954 | ioc->scsi_lookup[i].scmd->device->channel == channel && | |
955 | ioc->scsi_lookup[i].scmd->device->lun == lun)) { | |
956 | found = 1; | |
957 | goto out; | |
958 | } | |
959 | } | |
960 | out: | |
961 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
962 | return found; | |
963 | } | |
964 | ||
635374e7 | 965 | /** |
35f805b5 | 966 | * _scsih_get_chain_buffer_tracker - obtain chain tracker |
635374e7 | 967 | * @ioc: per adapter object |
35f805b5 | 968 | * @smid: smid associated to an IO request |
635374e7 | 969 | * |
35f805b5 | 970 | * Returns chain tracker(from ioc->free_chain_list) |
635374e7 | 971 | */ |
35f805b5 KD |
972 | static struct chain_tracker * |
973 | _scsih_get_chain_buffer_tracker(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
635374e7 | 974 | { |
35f805b5 KD |
975 | struct chain_tracker *chain_req; |
976 | unsigned long flags; | |
635374e7 | 977 | |
35f805b5 KD |
978 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
979 | if (list_empty(&ioc->free_chain_list)) { | |
980 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
981 | printk(MPT2SAS_WARN_FMT "chain buffers not available\n", | |
982 | ioc->name); | |
983 | return NULL; | |
984 | } | |
985 | chain_req = list_entry(ioc->free_chain_list.next, | |
986 | struct chain_tracker, tracker_list); | |
987 | list_del_init(&chain_req->tracker_list); | |
988 | list_add_tail(&chain_req->tracker_list, | |
989 | &ioc->scsi_lookup[smid - 1].chain_list); | |
990 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
991 | return chain_req; | |
635374e7 EM |
992 | } |
993 | ||
994 | /** | |
995 | * _scsih_build_scatter_gather - main sg creation routine | |
996 | * @ioc: per adapter object | |
997 | * @scmd: scsi command | |
998 | * @smid: system request message index | |
999 | * Context: none. | |
1000 | * | |
1001 | * The main routine that builds scatter gather table from a given | |
1002 | * scsi request sent via the .queuecommand main handler. | |
1003 | * | |
1004 | * Returns 0 success, anything else error | |
1005 | */ | |
1006 | static int | |
1007 | _scsih_build_scatter_gather(struct MPT2SAS_ADAPTER *ioc, | |
1008 | struct scsi_cmnd *scmd, u16 smid) | |
1009 | { | |
1010 | Mpi2SCSIIORequest_t *mpi_request; | |
1011 | dma_addr_t chain_dma; | |
1012 | struct scatterlist *sg_scmd; | |
1013 | void *sg_local, *chain; | |
1014 | u32 chain_offset; | |
1015 | u32 chain_length; | |
1016 | u32 chain_flags; | |
bb789d01 | 1017 | int sges_left; |
635374e7 EM |
1018 | u32 sges_in_segment; |
1019 | u32 sgl_flags; | |
1020 | u32 sgl_flags_last_element; | |
1021 | u32 sgl_flags_end_buffer; | |
35f805b5 | 1022 | struct chain_tracker *chain_req; |
635374e7 EM |
1023 | |
1024 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
1025 | ||
1026 | /* init scatter gather flags */ | |
1027 | sgl_flags = MPI2_SGE_FLAGS_SIMPLE_ELEMENT; | |
1028 | if (scmd->sc_data_direction == DMA_TO_DEVICE) | |
1029 | sgl_flags |= MPI2_SGE_FLAGS_HOST_TO_IOC; | |
1030 | sgl_flags_last_element = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT) | |
1031 | << MPI2_SGE_FLAGS_SHIFT; | |
1032 | sgl_flags_end_buffer = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT | | |
1033 | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST) | |
1034 | << MPI2_SGE_FLAGS_SHIFT; | |
1035 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
1036 | ||
1037 | sg_scmd = scsi_sglist(scmd); | |
1038 | sges_left = scsi_dma_map(scmd); | |
bb789d01 | 1039 | if (sges_left < 0) { |
635374e7 EM |
1040 | sdev_printk(KERN_ERR, scmd->device, "pci_map_sg" |
1041 | " failed: request for %d bytes!\n", scsi_bufflen(scmd)); | |
1042 | return -ENOMEM; | |
1043 | } | |
1044 | ||
1045 | sg_local = &mpi_request->SGL; | |
1046 | sges_in_segment = ioc->max_sges_in_main_message; | |
1047 | if (sges_left <= sges_in_segment) | |
1048 | goto fill_in_last_segment; | |
1049 | ||
1050 | mpi_request->ChainOffset = (offsetof(Mpi2SCSIIORequest_t, SGL) + | |
1051 | (sges_in_segment * ioc->sge_size))/4; | |
1052 | ||
1053 | /* fill in main message segment when there is a chain following */ | |
1054 | while (sges_in_segment) { | |
1055 | if (sges_in_segment == 1) | |
1056 | ioc->base_add_sg_single(sg_local, | |
1057 | sgl_flags_last_element | sg_dma_len(sg_scmd), | |
1058 | sg_dma_address(sg_scmd)); | |
1059 | else | |
1060 | ioc->base_add_sg_single(sg_local, sgl_flags | | |
1061 | sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); | |
1062 | sg_scmd = sg_next(sg_scmd); | |
1063 | sg_local += ioc->sge_size; | |
1064 | sges_left--; | |
1065 | sges_in_segment--; | |
1066 | } | |
1067 | ||
1068 | /* initializing the chain flags and pointers */ | |
1069 | chain_flags = MPI2_SGE_FLAGS_CHAIN_ELEMENT << MPI2_SGE_FLAGS_SHIFT; | |
35f805b5 KD |
1070 | chain_req = _scsih_get_chain_buffer_tracker(ioc, smid); |
1071 | if (!chain_req) | |
1072 | return -1; | |
1073 | chain = chain_req->chain_buffer; | |
1074 | chain_dma = chain_req->chain_buffer_dma; | |
635374e7 EM |
1075 | do { |
1076 | sges_in_segment = (sges_left <= | |
1077 | ioc->max_sges_in_chain_message) ? sges_left : | |
1078 | ioc->max_sges_in_chain_message; | |
1079 | chain_offset = (sges_left == sges_in_segment) ? | |
1080 | 0 : (sges_in_segment * ioc->sge_size)/4; | |
1081 | chain_length = sges_in_segment * ioc->sge_size; | |
1082 | if (chain_offset) { | |
1083 | chain_offset = chain_offset << | |
1084 | MPI2_SGE_CHAIN_OFFSET_SHIFT; | |
1085 | chain_length += ioc->sge_size; | |
1086 | } | |
1087 | ioc->base_add_sg_single(sg_local, chain_flags | chain_offset | | |
1088 | chain_length, chain_dma); | |
1089 | sg_local = chain; | |
1090 | if (!chain_offset) | |
1091 | goto fill_in_last_segment; | |
1092 | ||
1093 | /* fill in chain segments */ | |
1094 | while (sges_in_segment) { | |
1095 | if (sges_in_segment == 1) | |
1096 | ioc->base_add_sg_single(sg_local, | |
1097 | sgl_flags_last_element | | |
1098 | sg_dma_len(sg_scmd), | |
1099 | sg_dma_address(sg_scmd)); | |
1100 | else | |
1101 | ioc->base_add_sg_single(sg_local, sgl_flags | | |
1102 | sg_dma_len(sg_scmd), | |
1103 | sg_dma_address(sg_scmd)); | |
1104 | sg_scmd = sg_next(sg_scmd); | |
1105 | sg_local += ioc->sge_size; | |
1106 | sges_left--; | |
1107 | sges_in_segment--; | |
1108 | } | |
1109 | ||
35f805b5 KD |
1110 | chain_req = _scsih_get_chain_buffer_tracker(ioc, smid); |
1111 | if (!chain_req) | |
1112 | return -1; | |
1113 | chain = chain_req->chain_buffer; | |
1114 | chain_dma = chain_req->chain_buffer_dma; | |
635374e7 EM |
1115 | } while (1); |
1116 | ||
1117 | ||
1118 | fill_in_last_segment: | |
1119 | ||
1120 | /* fill the last segment */ | |
1121 | while (sges_left) { | |
1122 | if (sges_left == 1) | |
1123 | ioc->base_add_sg_single(sg_local, sgl_flags_end_buffer | | |
1124 | sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); | |
1125 | else | |
1126 | ioc->base_add_sg_single(sg_local, sgl_flags | | |
1127 | sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); | |
1128 | sg_scmd = sg_next(sg_scmd); | |
1129 | sg_local += ioc->sge_size; | |
1130 | sges_left--; | |
1131 | } | |
1132 | ||
1133 | return 0; | |
1134 | } | |
1135 | ||
1136 | /** | |
a93c6b45 | 1137 | * _scsih_adjust_queue_depth - setting device queue depth |
635374e7 EM |
1138 | * @sdev: scsi device struct |
1139 | * @qdepth: requested queue depth | |
1140 | * | |
a93c6b45 KD |
1141 | * |
1142 | * Returns nothing | |
635374e7 | 1143 | */ |
a93c6b45 KD |
1144 | static void |
1145 | _scsih_adjust_queue_depth(struct scsi_device *sdev, int qdepth) | |
635374e7 EM |
1146 | { |
1147 | struct Scsi_Host *shost = sdev->host; | |
1148 | int max_depth; | |
e0077d60 KD |
1149 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); |
1150 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
1151 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
1152 | struct _sas_device *sas_device; | |
1153 | unsigned long flags; | |
635374e7 EM |
1154 | |
1155 | max_depth = shost->can_queue; | |
e0077d60 KD |
1156 | |
1157 | /* limit max device queue for SATA to 32 */ | |
1158 | sas_device_priv_data = sdev->hostdata; | |
1159 | if (!sas_device_priv_data) | |
1160 | goto not_sata; | |
1161 | sas_target_priv_data = sas_device_priv_data->sas_target; | |
1162 | if (!sas_target_priv_data) | |
1163 | goto not_sata; | |
1164 | if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) | |
1165 | goto not_sata; | |
1166 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
1167 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
1168 | sas_device_priv_data->sas_target->sas_address); | |
1169 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
1170 | if (sas_device && sas_device->device_info & | |
1171 | MPI2_SAS_DEVICE_INFO_SATA_DEVICE) | |
1172 | max_depth = MPT2SAS_SATA_QUEUE_DEPTH; | |
1173 | ||
1174 | not_sata: | |
1175 | ||
635374e7 EM |
1176 | if (!sdev->tagged_supported) |
1177 | max_depth = 1; | |
1178 | if (qdepth > max_depth) | |
1179 | qdepth = max_depth; | |
a93c6b45 KD |
1180 | scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth); |
1181 | } | |
1182 | ||
1183 | /** | |
1184 | * _scsih_change_queue_depth - setting device queue depth | |
1185 | * @sdev: scsi device struct | |
1186 | * @qdepth: requested queue depth | |
1187 | * @reason: SCSI_QDEPTH_DEFAULT/SCSI_QDEPTH_QFULL/SCSI_QDEPTH_RAMP_UP | |
1188 | * (see include/scsi/scsi_host.h for definition) | |
1189 | * | |
1190 | * Returns queue depth. | |
1191 | */ | |
1192 | static int | |
1193 | _scsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason) | |
1194 | { | |
1195 | if (reason == SCSI_QDEPTH_DEFAULT || reason == SCSI_QDEPTH_RAMP_UP) | |
1196 | _scsih_adjust_queue_depth(sdev, qdepth); | |
1197 | else if (reason == SCSI_QDEPTH_QFULL) | |
1198 | scsi_track_queue_full(sdev, qdepth); | |
1199 | else | |
1200 | return -EOPNOTSUPP; | |
635374e7 EM |
1201 | |
1202 | if (sdev->inquiry_len > 7) | |
1203 | sdev_printk(KERN_INFO, sdev, "qdepth(%d), tagged(%d), " | |
1204 | "simple(%d), ordered(%d), scsi_level(%d), cmd_que(%d)\n", | |
1205 | sdev->queue_depth, sdev->tagged_supported, sdev->simple_tags, | |
1206 | sdev->ordered_tags, sdev->scsi_level, | |
1207 | (sdev->inquiry[7] & 2) >> 1); | |
1208 | ||
1209 | return sdev->queue_depth; | |
1210 | } | |
1211 | ||
1212 | /** | |
595bb0bd | 1213 | * _scsih_change_queue_type - changing device queue tag type |
635374e7 EM |
1214 | * @sdev: scsi device struct |
1215 | * @tag_type: requested tag type | |
1216 | * | |
1217 | * Returns queue tag type. | |
1218 | */ | |
1219 | static int | |
d5d135b3 | 1220 | _scsih_change_queue_type(struct scsi_device *sdev, int tag_type) |
635374e7 EM |
1221 | { |
1222 | if (sdev->tagged_supported) { | |
1223 | scsi_set_tag_type(sdev, tag_type); | |
1224 | if (tag_type) | |
1225 | scsi_activate_tcq(sdev, sdev->queue_depth); | |
1226 | else | |
1227 | scsi_deactivate_tcq(sdev, sdev->queue_depth); | |
1228 | } else | |
1229 | tag_type = 0; | |
1230 | ||
1231 | return tag_type; | |
1232 | } | |
1233 | ||
1234 | /** | |
d5d135b3 | 1235 | * _scsih_target_alloc - target add routine |
635374e7 EM |
1236 | * @starget: scsi target struct |
1237 | * | |
1238 | * Returns 0 if ok. Any other return is assumed to be an error and | |
1239 | * the device is ignored. | |
1240 | */ | |
1241 | static int | |
d5d135b3 | 1242 | _scsih_target_alloc(struct scsi_target *starget) |
635374e7 EM |
1243 | { |
1244 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
1245 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
1246 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
1247 | struct _sas_device *sas_device; | |
1248 | struct _raid_device *raid_device; | |
1249 | unsigned long flags; | |
1250 | struct sas_rphy *rphy; | |
1251 | ||
1252 | sas_target_priv_data = kzalloc(sizeof(struct scsi_target), GFP_KERNEL); | |
1253 | if (!sas_target_priv_data) | |
1254 | return -ENOMEM; | |
1255 | ||
1256 | starget->hostdata = sas_target_priv_data; | |
1257 | sas_target_priv_data->starget = starget; | |
1258 | sas_target_priv_data->handle = MPT2SAS_INVALID_DEVICE_HANDLE; | |
1259 | ||
1260 | /* RAID volumes */ | |
1261 | if (starget->channel == RAID_CHANNEL) { | |
1262 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1263 | raid_device = _scsih_raid_device_find_by_id(ioc, starget->id, | |
1264 | starget->channel); | |
1265 | if (raid_device) { | |
1266 | sas_target_priv_data->handle = raid_device->handle; | |
1267 | sas_target_priv_data->sas_address = raid_device->wwid; | |
1268 | sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME; | |
0bdccdb0 | 1269 | sas_target_priv_data->raid_device = raid_device; |
635374e7 EM |
1270 | raid_device->starget = starget; |
1271 | } | |
1272 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
1273 | return 0; | |
1274 | } | |
1275 | ||
1276 | /* sas/sata devices */ | |
1277 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
1278 | rphy = dev_to_rphy(starget->dev.parent); | |
1279 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
1280 | rphy->identify.sas_address); | |
1281 | ||
1282 | if (sas_device) { | |
1283 | sas_target_priv_data->handle = sas_device->handle; | |
1284 | sas_target_priv_data->sas_address = sas_device->sas_address; | |
1285 | sas_device->starget = starget; | |
1286 | sas_device->id = starget->id; | |
1287 | sas_device->channel = starget->channel; | |
f3eedd69 | 1288 | if (test_bit(sas_device->handle, ioc->pd_handles)) |
635374e7 EM |
1289 | sas_target_priv_data->flags |= |
1290 | MPT_TARGET_FLAGS_RAID_COMPONENT; | |
1291 | } | |
1292 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
1293 | ||
1294 | return 0; | |
1295 | } | |
1296 | ||
1297 | /** | |
d5d135b3 | 1298 | * _scsih_target_destroy - target destroy routine |
635374e7 EM |
1299 | * @starget: scsi target struct |
1300 | * | |
1301 | * Returns nothing. | |
1302 | */ | |
1303 | static void | |
d5d135b3 | 1304 | _scsih_target_destroy(struct scsi_target *starget) |
635374e7 EM |
1305 | { |
1306 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
1307 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
1308 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
1309 | struct _sas_device *sas_device; | |
1310 | struct _raid_device *raid_device; | |
1311 | unsigned long flags; | |
1312 | struct sas_rphy *rphy; | |
1313 | ||
1314 | sas_target_priv_data = starget->hostdata; | |
1315 | if (!sas_target_priv_data) | |
1316 | return; | |
1317 | ||
1318 | if (starget->channel == RAID_CHANNEL) { | |
1319 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1320 | raid_device = _scsih_raid_device_find_by_id(ioc, starget->id, | |
1321 | starget->channel); | |
1322 | if (raid_device) { | |
1323 | raid_device->starget = NULL; | |
1324 | raid_device->sdev = NULL; | |
1325 | } | |
1326 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
1327 | goto out; | |
1328 | } | |
1329 | ||
1330 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
1331 | rphy = dev_to_rphy(starget->dev.parent); | |
1332 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
1333 | rphy->identify.sas_address); | |
8901cbb4 EM |
1334 | if (sas_device && (sas_device->starget == starget) && |
1335 | (sas_device->id == starget->id) && | |
1336 | (sas_device->channel == starget->channel)) | |
635374e7 EM |
1337 | sas_device->starget = NULL; |
1338 | ||
1339 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
1340 | ||
1341 | out: | |
1342 | kfree(sas_target_priv_data); | |
1343 | starget->hostdata = NULL; | |
1344 | } | |
1345 | ||
1346 | /** | |
d5d135b3 | 1347 | * _scsih_slave_alloc - device add routine |
635374e7 EM |
1348 | * @sdev: scsi device struct |
1349 | * | |
1350 | * Returns 0 if ok. Any other return is assumed to be an error and | |
1351 | * the device is ignored. | |
1352 | */ | |
1353 | static int | |
d5d135b3 | 1354 | _scsih_slave_alloc(struct scsi_device *sdev) |
635374e7 EM |
1355 | { |
1356 | struct Scsi_Host *shost; | |
1357 | struct MPT2SAS_ADAPTER *ioc; | |
1358 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
1359 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
1360 | struct scsi_target *starget; | |
1361 | struct _raid_device *raid_device; | |
635374e7 EM |
1362 | unsigned long flags; |
1363 | ||
1364 | sas_device_priv_data = kzalloc(sizeof(struct scsi_device), GFP_KERNEL); | |
1365 | if (!sas_device_priv_data) | |
1366 | return -ENOMEM; | |
1367 | ||
1368 | sas_device_priv_data->lun = sdev->lun; | |
1369 | sas_device_priv_data->flags = MPT_DEVICE_FLAGS_INIT; | |
1370 | ||
1371 | starget = scsi_target(sdev); | |
1372 | sas_target_priv_data = starget->hostdata; | |
1373 | sas_target_priv_data->num_luns++; | |
1374 | sas_device_priv_data->sas_target = sas_target_priv_data; | |
1375 | sdev->hostdata = sas_device_priv_data; | |
1376 | if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT)) | |
1377 | sdev->no_uld_attach = 1; | |
1378 | ||
1379 | shost = dev_to_shost(&starget->dev); | |
1380 | ioc = shost_priv(shost); | |
1381 | if (starget->channel == RAID_CHANNEL) { | |
1382 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1383 | raid_device = _scsih_raid_device_find_by_id(ioc, | |
1384 | starget->id, starget->channel); | |
1385 | if (raid_device) | |
1386 | raid_device->sdev = sdev; /* raid is single lun */ | |
1387 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
635374e7 EM |
1388 | } |
1389 | ||
635374e7 EM |
1390 | return 0; |
1391 | } | |
1392 | ||
1393 | /** | |
d5d135b3 | 1394 | * _scsih_slave_destroy - device destroy routine |
635374e7 EM |
1395 | * @sdev: scsi device struct |
1396 | * | |
1397 | * Returns nothing. | |
1398 | */ | |
1399 | static void | |
d5d135b3 | 1400 | _scsih_slave_destroy(struct scsi_device *sdev) |
635374e7 EM |
1401 | { |
1402 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
1403 | struct scsi_target *starget; | |
1404 | ||
1405 | if (!sdev->hostdata) | |
1406 | return; | |
1407 | ||
1408 | starget = scsi_target(sdev); | |
1409 | sas_target_priv_data = starget->hostdata; | |
1410 | sas_target_priv_data->num_luns--; | |
1411 | kfree(sdev->hostdata); | |
1412 | sdev->hostdata = NULL; | |
1413 | } | |
1414 | ||
1415 | /** | |
d5d135b3 | 1416 | * _scsih_display_sata_capabilities - sata capabilities |
635374e7 EM |
1417 | * @ioc: per adapter object |
1418 | * @sas_device: the sas_device object | |
1419 | * @sdev: scsi device struct | |
1420 | */ | |
1421 | static void | |
d5d135b3 | 1422 | _scsih_display_sata_capabilities(struct MPT2SAS_ADAPTER *ioc, |
635374e7 EM |
1423 | struct _sas_device *sas_device, struct scsi_device *sdev) |
1424 | { | |
1425 | Mpi2ConfigReply_t mpi_reply; | |
1426 | Mpi2SasDevicePage0_t sas_device_pg0; | |
1427 | u32 ioc_status; | |
1428 | u16 flags; | |
1429 | u32 device_info; | |
1430 | ||
1431 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
1432 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, sas_device->handle))) { | |
1433 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1434 | ioc->name, __FILE__, __LINE__, __func__); | |
1435 | return; | |
1436 | } | |
1437 | ||
1438 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
1439 | MPI2_IOCSTATUS_MASK; | |
1440 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
1441 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1442 | ioc->name, __FILE__, __LINE__, __func__); | |
1443 | return; | |
1444 | } | |
1445 | ||
1446 | flags = le16_to_cpu(sas_device_pg0.Flags); | |
e94f6747 | 1447 | device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); |
635374e7 EM |
1448 | |
1449 | sdev_printk(KERN_INFO, sdev, | |
1450 | "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), " | |
1451 | "sw_preserve(%s)\n", | |
1452 | (device_info & MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? "y" : "n", | |
1453 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED) ? "y" : "n", | |
1454 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY) ? "y" : | |
1455 | "n", | |
1456 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED) ? "y" : "n", | |
1457 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED) ? "y" : "n", | |
1458 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE) ? "y" : "n"); | |
1459 | } | |
1460 | ||
f7c95ef0 KD |
1461 | /** |
1462 | * _scsih_is_raid - return boolean indicating device is raid volume | |
1463 | * @dev the device struct object | |
1464 | */ | |
1465 | static int | |
1466 | _scsih_is_raid(struct device *dev) | |
1467 | { | |
1468 | struct scsi_device *sdev = to_scsi_device(dev); | |
0bdccdb0 | 1469 | struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host); |
f7c95ef0 | 1470 | |
0bdccdb0 KD |
1471 | if (ioc->is_warpdrive) |
1472 | return 0; | |
f7c95ef0 KD |
1473 | return (sdev->channel == RAID_CHANNEL) ? 1 : 0; |
1474 | } | |
1475 | ||
1476 | /** | |
1477 | * _scsih_get_resync - get raid volume resync percent complete | |
1478 | * @dev the device struct object | |
1479 | */ | |
1480 | static void | |
1481 | _scsih_get_resync(struct device *dev) | |
1482 | { | |
1483 | struct scsi_device *sdev = to_scsi_device(dev); | |
1484 | struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host); | |
1485 | static struct _raid_device *raid_device; | |
1486 | unsigned long flags; | |
1487 | Mpi2RaidVolPage0_t vol_pg0; | |
1488 | Mpi2ConfigReply_t mpi_reply; | |
1489 | u32 volume_status_flags; | |
1490 | u8 percent_complete = 0; | |
1491 | ||
1492 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1493 | raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id, | |
1494 | sdev->channel); | |
1495 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
1496 | ||
0bdccdb0 | 1497 | if (!raid_device || ioc->is_warpdrive) |
f7c95ef0 KD |
1498 | goto out; |
1499 | ||
1500 | if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0, | |
1501 | MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, | |
1502 | sizeof(Mpi2RaidVolPage0_t))) { | |
1503 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1504 | ioc->name, __FILE__, __LINE__, __func__); | |
1505 | goto out; | |
1506 | } | |
1507 | ||
1508 | volume_status_flags = le32_to_cpu(vol_pg0.VolumeStatusFlags); | |
1509 | if (volume_status_flags & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) | |
1510 | percent_complete = raid_device->percent_complete; | |
1511 | out: | |
1512 | raid_set_resync(mpt2sas_raid_template, dev, percent_complete); | |
1513 | } | |
1514 | ||
1515 | /** | |
1516 | * _scsih_get_state - get raid volume level | |
1517 | * @dev the device struct object | |
1518 | */ | |
1519 | static void | |
1520 | _scsih_get_state(struct device *dev) | |
1521 | { | |
1522 | struct scsi_device *sdev = to_scsi_device(dev); | |
1523 | struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host); | |
1524 | static struct _raid_device *raid_device; | |
1525 | unsigned long flags; | |
1526 | Mpi2RaidVolPage0_t vol_pg0; | |
1527 | Mpi2ConfigReply_t mpi_reply; | |
1528 | u32 volstate; | |
1529 | enum raid_state state = RAID_STATE_UNKNOWN; | |
1530 | ||
1531 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1532 | raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id, | |
1533 | sdev->channel); | |
1534 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
1535 | ||
1536 | if (!raid_device) | |
1537 | goto out; | |
1538 | ||
1539 | if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0, | |
1540 | MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, | |
1541 | sizeof(Mpi2RaidVolPage0_t))) { | |
1542 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1543 | ioc->name, __FILE__, __LINE__, __func__); | |
1544 | goto out; | |
1545 | } | |
1546 | ||
1547 | volstate = le32_to_cpu(vol_pg0.VolumeStatusFlags); | |
1548 | if (volstate & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) { | |
1549 | state = RAID_STATE_RESYNCING; | |
1550 | goto out; | |
1551 | } | |
1552 | ||
1553 | switch (vol_pg0.VolumeState) { | |
1554 | case MPI2_RAID_VOL_STATE_OPTIMAL: | |
1555 | case MPI2_RAID_VOL_STATE_ONLINE: | |
1556 | state = RAID_STATE_ACTIVE; | |
1557 | break; | |
1558 | case MPI2_RAID_VOL_STATE_DEGRADED: | |
1559 | state = RAID_STATE_DEGRADED; | |
1560 | break; | |
1561 | case MPI2_RAID_VOL_STATE_FAILED: | |
1562 | case MPI2_RAID_VOL_STATE_MISSING: | |
1563 | state = RAID_STATE_OFFLINE; | |
1564 | break; | |
1565 | } | |
1566 | out: | |
1567 | raid_set_state(mpt2sas_raid_template, dev, state); | |
1568 | } | |
1569 | ||
1570 | /** | |
1571 | * _scsih_set_level - set raid level | |
1572 | * @sdev: scsi device struct | |
1573 | * @raid_device: raid_device object | |
1574 | */ | |
1575 | static void | |
1576 | _scsih_set_level(struct scsi_device *sdev, struct _raid_device *raid_device) | |
1577 | { | |
1578 | enum raid_level level = RAID_LEVEL_UNKNOWN; | |
1579 | ||
1580 | switch (raid_device->volume_type) { | |
1581 | case MPI2_RAID_VOL_TYPE_RAID0: | |
1582 | level = RAID_LEVEL_0; | |
1583 | break; | |
1584 | case MPI2_RAID_VOL_TYPE_RAID10: | |
1585 | level = RAID_LEVEL_10; | |
1586 | break; | |
1587 | case MPI2_RAID_VOL_TYPE_RAID1E: | |
1588 | level = RAID_LEVEL_1E; | |
1589 | break; | |
1590 | case MPI2_RAID_VOL_TYPE_RAID1: | |
1591 | level = RAID_LEVEL_1; | |
1592 | break; | |
1593 | } | |
1594 | ||
1595 | raid_set_level(mpt2sas_raid_template, &sdev->sdev_gendev, level); | |
1596 | } | |
1597 | ||
635374e7 EM |
1598 | /** |
1599 | * _scsih_get_volume_capabilities - volume capabilities | |
1600 | * @ioc: per adapter object | |
1601 | * @sas_device: the raid_device object | |
1602 | */ | |
1603 | static void | |
1604 | _scsih_get_volume_capabilities(struct MPT2SAS_ADAPTER *ioc, | |
1605 | struct _raid_device *raid_device) | |
1606 | { | |
1607 | Mpi2RaidVolPage0_t *vol_pg0; | |
1608 | Mpi2RaidPhysDiskPage0_t pd_pg0; | |
1609 | Mpi2SasDevicePage0_t sas_device_pg0; | |
1610 | Mpi2ConfigReply_t mpi_reply; | |
1611 | u16 sz; | |
1612 | u8 num_pds; | |
1613 | ||
1614 | if ((mpt2sas_config_get_number_pds(ioc, raid_device->handle, | |
1615 | &num_pds)) || !num_pds) { | |
1616 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1617 | ioc->name, __FILE__, __LINE__, __func__); | |
1618 | return; | |
1619 | } | |
1620 | ||
1621 | raid_device->num_pds = num_pds; | |
1622 | sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds * | |
1623 | sizeof(Mpi2RaidVol0PhysDisk_t)); | |
1624 | vol_pg0 = kzalloc(sz, GFP_KERNEL); | |
1625 | if (!vol_pg0) { | |
1626 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1627 | ioc->name, __FILE__, __LINE__, __func__); | |
1628 | return; | |
1629 | } | |
1630 | ||
1631 | if ((mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0, | |
1632 | MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) { | |
1633 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1634 | ioc->name, __FILE__, __LINE__, __func__); | |
1635 | kfree(vol_pg0); | |
1636 | return; | |
1637 | } | |
1638 | ||
1639 | raid_device->volume_type = vol_pg0->VolumeType; | |
1640 | ||
1641 | /* figure out what the underlying devices are by | |
1642 | * obtaining the device_info bits for the 1st device | |
1643 | */ | |
1644 | if (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply, | |
1645 | &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM, | |
1646 | vol_pg0->PhysDisk[0].PhysDiskNum))) { | |
1647 | if (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, | |
1648 | &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, | |
1649 | le16_to_cpu(pd_pg0.DevHandle)))) { | |
1650 | raid_device->device_info = | |
1651 | le32_to_cpu(sas_device_pg0.DeviceInfo); | |
1652 | } | |
1653 | } | |
1654 | ||
1655 | kfree(vol_pg0); | |
1656 | } | |
0bdccdb0 KD |
1657 | /** |
1658 | * _scsih_disable_ddio - Disable direct I/O for all the volumes | |
1659 | * @ioc: per adapter object | |
1660 | */ | |
1661 | static void | |
1662 | _scsih_disable_ddio(struct MPT2SAS_ADAPTER *ioc) | |
1663 | { | |
1664 | Mpi2RaidVolPage1_t vol_pg1; | |
1665 | Mpi2ConfigReply_t mpi_reply; | |
1666 | struct _raid_device *raid_device; | |
1667 | u16 handle; | |
1668 | u16 ioc_status; | |
1669 | ||
1670 | handle = 0xFFFF; | |
1671 | while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply, | |
1672 | &vol_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) { | |
1673 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
1674 | MPI2_IOCSTATUS_MASK; | |
1675 | if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) | |
1676 | break; | |
1677 | handle = le16_to_cpu(vol_pg1.DevHandle); | |
1678 | raid_device = _scsih_raid_device_find_by_handle(ioc, handle); | |
1679 | if (raid_device) | |
1680 | raid_device->direct_io_enabled = 0; | |
1681 | } | |
1682 | return; | |
1683 | } | |
1684 | ||
1685 | ||
1686 | /** | |
1687 | * _scsih_get_num_volumes - Get number of volumes in the ioc | |
1688 | * @ioc: per adapter object | |
1689 | */ | |
1690 | static u8 | |
1691 | _scsih_get_num_volumes(struct MPT2SAS_ADAPTER *ioc) | |
1692 | { | |
1693 | Mpi2RaidVolPage1_t vol_pg1; | |
1694 | Mpi2ConfigReply_t mpi_reply; | |
1695 | u16 handle; | |
1696 | u8 vol_cnt = 0; | |
1697 | u16 ioc_status; | |
1698 | ||
1699 | handle = 0xFFFF; | |
1700 | while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply, | |
1701 | &vol_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) { | |
1702 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
1703 | MPI2_IOCSTATUS_MASK; | |
1704 | if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) | |
1705 | break; | |
1706 | vol_cnt++; | |
1707 | handle = le16_to_cpu(vol_pg1.DevHandle); | |
1708 | } | |
1709 | return vol_cnt; | |
1710 | } | |
1711 | ||
1712 | ||
1713 | /** | |
1714 | * _scsih_init_warpdrive_properties - Set properties for warpdrive direct I/O. | |
1715 | * @ioc: per adapter object | |
1716 | * @raid_device: the raid_device object | |
1717 | */ | |
1718 | static void | |
1719 | _scsih_init_warpdrive_properties(struct MPT2SAS_ADAPTER *ioc, | |
1720 | struct _raid_device *raid_device) | |
1721 | { | |
1722 | Mpi2RaidVolPage0_t *vol_pg0; | |
1723 | Mpi2RaidPhysDiskPage0_t pd_pg0; | |
1724 | Mpi2ConfigReply_t mpi_reply; | |
1725 | u16 sz; | |
1726 | u8 num_pds, count; | |
1727 | u64 mb = 1024 * 1024; | |
1728 | u64 tb_2 = 2 * mb * mb; | |
1729 | u64 capacity; | |
1730 | u32 stripe_sz; | |
1731 | u8 i, stripe_exp; | |
1732 | ||
1733 | if (!ioc->is_warpdrive) | |
1734 | return; | |
1735 | ||
1736 | if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_EXPOSE_ALL_DISKS) { | |
1737 | printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " | |
1738 | "globally as drives are exposed\n", ioc->name); | |
1739 | return; | |
1740 | } | |
1741 | if (_scsih_get_num_volumes(ioc) > 1) { | |
1742 | _scsih_disable_ddio(ioc); | |
1743 | printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " | |
1744 | "globally as number of drives > 1\n", ioc->name); | |
1745 | return; | |
1746 | } | |
1747 | if ((mpt2sas_config_get_number_pds(ioc, raid_device->handle, | |
1748 | &num_pds)) || !num_pds) { | |
1749 | printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " | |
1750 | "Failure in computing number of drives\n", ioc->name); | |
1751 | return; | |
1752 | } | |
1753 | ||
1754 | sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds * | |
1755 | sizeof(Mpi2RaidVol0PhysDisk_t)); | |
1756 | vol_pg0 = kzalloc(sz, GFP_KERNEL); | |
1757 | if (!vol_pg0) { | |
1758 | printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " | |
1759 | "Memory allocation failure for RVPG0\n", ioc->name); | |
1760 | return; | |
1761 | } | |
1762 | ||
1763 | if ((mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0, | |
1764 | MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) { | |
1765 | printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " | |
1766 | "Failure in retrieving RVPG0\n", ioc->name); | |
1767 | kfree(vol_pg0); | |
1768 | return; | |
1769 | } | |
1770 | ||
1771 | /* | |
1772 | * WARPDRIVE:If number of physical disks in a volume exceeds the max pds | |
1773 | * assumed for WARPDRIVE, disable direct I/O | |
1774 | */ | |
1775 | if (num_pds > MPT_MAX_WARPDRIVE_PDS) { | |
1776 | printk(MPT2SAS_WARN_FMT "WarpDrive : Direct IO is disabled " | |
1777 | "for the drive with handle(0x%04x): num_mem=%d, " | |
1778 | "max_mem_allowed=%d\n", ioc->name, raid_device->handle, | |
1779 | num_pds, MPT_MAX_WARPDRIVE_PDS); | |
1780 | kfree(vol_pg0); | |
1781 | return; | |
1782 | } | |
1783 | for (count = 0; count < num_pds; count++) { | |
1784 | if (mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply, | |
1785 | &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM, | |
1786 | vol_pg0->PhysDisk[count].PhysDiskNum) || | |
1787 | pd_pg0.DevHandle == MPT2SAS_INVALID_DEVICE_HANDLE) { | |
1788 | printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is " | |
1789 | "disabled for the drive with handle(0x%04x) member" | |
1790 | "handle retrieval failed for member number=%d\n", | |
1791 | ioc->name, raid_device->handle, | |
1792 | vol_pg0->PhysDisk[count].PhysDiskNum); | |
1793 | goto out_error; | |
1794 | } | |
1795 | raid_device->pd_handle[count] = le16_to_cpu(pd_pg0.DevHandle); | |
1796 | } | |
1797 | ||
1798 | /* | |
1799 | * Assumption for WD: Direct I/O is not supported if the volume is | |
1800 | * not RAID0, if the stripe size is not 64KB, if the block size is | |
1801 | * not 512 and if the volume size is >2TB | |
1802 | */ | |
1803 | if (raid_device->volume_type != MPI2_RAID_VOL_TYPE_RAID0 || | |
1804 | le16_to_cpu(vol_pg0->BlockSize) != 512) { | |
1805 | printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " | |
1806 | "for the drive with handle(0x%04x): type=%d, " | |
1807 | "s_sz=%uK, blk_size=%u\n", ioc->name, | |
1808 | raid_device->handle, raid_device->volume_type, | |
1809 | le32_to_cpu(vol_pg0->StripeSize)/2, | |
1810 | le16_to_cpu(vol_pg0->BlockSize)); | |
1811 | goto out_error; | |
1812 | } | |
1813 | ||
1814 | capacity = (u64) le16_to_cpu(vol_pg0->BlockSize) * | |
1815 | (le64_to_cpu(vol_pg0->MaxLBA) + 1); | |
1816 | ||
1817 | if (capacity > tb_2) { | |
1818 | printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " | |
1819 | "for the drive with handle(0x%04x) since drive sz > 2TB\n", | |
1820 | ioc->name, raid_device->handle); | |
1821 | goto out_error; | |
1822 | } | |
1823 | ||
1824 | stripe_sz = le32_to_cpu(vol_pg0->StripeSize); | |
1825 | stripe_exp = 0; | |
1826 | for (i = 0; i < 32; i++) { | |
1827 | if (stripe_sz & 1) | |
1828 | break; | |
1829 | stripe_exp++; | |
1830 | stripe_sz >>= 1; | |
1831 | } | |
1832 | if (i == 32) { | |
1833 | printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " | |
1834 | "for the drive with handle(0x%04x) invalid stripe sz %uK\n", | |
1835 | ioc->name, raid_device->handle, | |
1836 | le32_to_cpu(vol_pg0->StripeSize)/2); | |
1837 | goto out_error; | |
1838 | } | |
1839 | raid_device->stripe_exponent = stripe_exp; | |
1840 | raid_device->direct_io_enabled = 1; | |
1841 | ||
1842 | printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is Enabled for the drive" | |
1843 | " with handle(0x%04x)\n", ioc->name, raid_device->handle); | |
1844 | /* | |
1845 | * WARPDRIVE: Though the following fields are not used for direct IO, | |
1846 | * stored for future purpose: | |
1847 | */ | |
1848 | raid_device->max_lba = le64_to_cpu(vol_pg0->MaxLBA); | |
1849 | raid_device->stripe_sz = le32_to_cpu(vol_pg0->StripeSize); | |
1850 | raid_device->block_sz = le16_to_cpu(vol_pg0->BlockSize); | |
1851 | ||
1852 | ||
1853 | kfree(vol_pg0); | |
1854 | return; | |
1855 | ||
1856 | out_error: | |
1857 | raid_device->direct_io_enabled = 0; | |
1858 | for (count = 0; count < num_pds; count++) | |
1859 | raid_device->pd_handle[count] = 0; | |
1860 | kfree(vol_pg0); | |
1861 | return; | |
1862 | } | |
635374e7 | 1863 | |
84f0b04a KD |
1864 | /** |
1865 | * _scsih_enable_tlr - setting TLR flags | |
1866 | * @ioc: per adapter object | |
1867 | * @sdev: scsi device struct | |
1868 | * | |
1869 | * Enabling Transaction Layer Retries for tape devices when | |
1870 | * vpd page 0x90 is present | |
1871 | * | |
1872 | */ | |
1873 | static void | |
1874 | _scsih_enable_tlr(struct MPT2SAS_ADAPTER *ioc, struct scsi_device *sdev) | |
1875 | { | |
1876 | /* only for TAPE */ | |
1877 | if (sdev->type != TYPE_TAPE) | |
1878 | return; | |
1879 | ||
1880 | if (!(ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR)) | |
1881 | return; | |
1882 | ||
1883 | sas_enable_tlr(sdev); | |
1884 | sdev_printk(KERN_INFO, sdev, "TLR %s\n", | |
1885 | sas_is_tlr_enabled(sdev) ? "Enabled" : "Disabled"); | |
1886 | return; | |
1887 | ||
1888 | } | |
1889 | ||
635374e7 | 1890 | /** |
d5d135b3 | 1891 | * _scsih_slave_configure - device configure routine. |
635374e7 EM |
1892 | * @sdev: scsi device struct |
1893 | * | |
1894 | * Returns 0 if ok. Any other return is assumed to be an error and | |
1895 | * the device is ignored. | |
1896 | */ | |
1897 | static int | |
d5d135b3 | 1898 | _scsih_slave_configure(struct scsi_device *sdev) |
635374e7 EM |
1899 | { |
1900 | struct Scsi_Host *shost = sdev->host; | |
1901 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
1902 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
1903 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
1904 | struct _sas_device *sas_device; | |
1905 | struct _raid_device *raid_device; | |
1906 | unsigned long flags; | |
1907 | int qdepth; | |
1908 | u8 ssp_target = 0; | |
1909 | char *ds = ""; | |
1910 | char *r_level = ""; | |
1911 | ||
1912 | qdepth = 1; | |
1913 | sas_device_priv_data = sdev->hostdata; | |
1914 | sas_device_priv_data->configured_lun = 1; | |
1915 | sas_device_priv_data->flags &= ~MPT_DEVICE_FLAGS_INIT; | |
1916 | sas_target_priv_data = sas_device_priv_data->sas_target; | |
1917 | ||
1918 | /* raid volume handling */ | |
1919 | if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME) { | |
1920 | ||
1921 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1922 | raid_device = _scsih_raid_device_find_by_handle(ioc, | |
1923 | sas_target_priv_data->handle); | |
1924 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
1925 | if (!raid_device) { | |
1926 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
1927 | ioc->name, __FILE__, __LINE__, __func__); | |
1928 | return 0; | |
1929 | } | |
1930 | ||
1931 | _scsih_get_volume_capabilities(ioc, raid_device); | |
1932 | ||
0bdccdb0 KD |
1933 | /* |
1934 | * WARPDRIVE: Initialize the required data for Direct IO | |
1935 | */ | |
1936 | _scsih_init_warpdrive_properties(ioc, raid_device); | |
1937 | ||
635374e7 EM |
1938 | /* RAID Queue Depth Support |
1939 | * IS volume = underlying qdepth of drive type, either | |
1940 | * MPT2SAS_SAS_QUEUE_DEPTH or MPT2SAS_SATA_QUEUE_DEPTH | |
1941 | * IM/IME/R10 = 128 (MPT2SAS_RAID_QUEUE_DEPTH) | |
1942 | */ | |
1943 | if (raid_device->device_info & | |
1944 | MPI2_SAS_DEVICE_INFO_SSP_TARGET) { | |
1945 | qdepth = MPT2SAS_SAS_QUEUE_DEPTH; | |
1946 | ds = "SSP"; | |
1947 | } else { | |
1948 | qdepth = MPT2SAS_SATA_QUEUE_DEPTH; | |
1949 | if (raid_device->device_info & | |
1950 | MPI2_SAS_DEVICE_INFO_SATA_DEVICE) | |
1951 | ds = "SATA"; | |
1952 | else | |
1953 | ds = "STP"; | |
1954 | } | |
1955 | ||
1956 | switch (raid_device->volume_type) { | |
1957 | case MPI2_RAID_VOL_TYPE_RAID0: | |
1958 | r_level = "RAID0"; | |
1959 | break; | |
1960 | case MPI2_RAID_VOL_TYPE_RAID1E: | |
1961 | qdepth = MPT2SAS_RAID_QUEUE_DEPTH; | |
ed79f128 | 1962 | if (ioc->manu_pg10.OEMIdentifier && |
c97951ec | 1963 | (le32_to_cpu(ioc->manu_pg10.GenericFlags0) & |
ed79f128 KD |
1964 | MFG10_GF0_R10_DISPLAY) && |
1965 | !(raid_device->num_pds % 2)) | |
1966 | r_level = "RAID10"; | |
1967 | else | |
1968 | r_level = "RAID1E"; | |
635374e7 EM |
1969 | break; |
1970 | case MPI2_RAID_VOL_TYPE_RAID1: | |
1971 | qdepth = MPT2SAS_RAID_QUEUE_DEPTH; | |
1972 | r_level = "RAID1"; | |
1973 | break; | |
1974 | case MPI2_RAID_VOL_TYPE_RAID10: | |
1975 | qdepth = MPT2SAS_RAID_QUEUE_DEPTH; | |
1976 | r_level = "RAID10"; | |
1977 | break; | |
1978 | case MPI2_RAID_VOL_TYPE_UNKNOWN: | |
1979 | default: | |
1980 | qdepth = MPT2SAS_RAID_QUEUE_DEPTH; | |
1981 | r_level = "RAIDX"; | |
1982 | break; | |
1983 | } | |
1984 | ||
0bdccdb0 KD |
1985 | if (!ioc->hide_ir_msg) |
1986 | sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), " | |
1987 | "wwid(0x%016llx), pd_count(%d), type(%s)\n", | |
1988 | r_level, raid_device->handle, | |
1989 | (unsigned long long)raid_device->wwid, | |
1990 | raid_device->num_pds, ds); | |
e881a172 | 1991 | _scsih_change_queue_depth(sdev, qdepth, SCSI_QDEPTH_DEFAULT); |
f7c95ef0 | 1992 | /* raid transport support */ |
0bdccdb0 KD |
1993 | if (!ioc->is_warpdrive) |
1994 | _scsih_set_level(sdev, raid_device); | |
635374e7 EM |
1995 | return 0; |
1996 | } | |
1997 | ||
1998 | /* non-raid handling */ | |
1999 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
2000 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
2001 | sas_device_priv_data->sas_target->sas_address); | |
2002 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
2003 | if (sas_device) { | |
2004 | if (sas_target_priv_data->flags & | |
2005 | MPT_TARGET_FLAGS_RAID_COMPONENT) { | |
2006 | mpt2sas_config_get_volume_handle(ioc, | |
2007 | sas_device->handle, &sas_device->volume_handle); | |
2008 | mpt2sas_config_get_volume_wwid(ioc, | |
2009 | sas_device->volume_handle, | |
2010 | &sas_device->volume_wwid); | |
2011 | } | |
2012 | if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) { | |
2013 | qdepth = MPT2SAS_SAS_QUEUE_DEPTH; | |
2014 | ssp_target = 1; | |
2015 | ds = "SSP"; | |
2016 | } else { | |
2017 | qdepth = MPT2SAS_SATA_QUEUE_DEPTH; | |
2018 | if (sas_device->device_info & | |
2019 | MPI2_SAS_DEVICE_INFO_STP_TARGET) | |
2020 | ds = "STP"; | |
2021 | else if (sas_device->device_info & | |
2022 | MPI2_SAS_DEVICE_INFO_SATA_DEVICE) | |
2023 | ds = "SATA"; | |
2024 | } | |
2025 | ||
2026 | sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), " | |
7fbae67a | 2027 | "sas_addr(0x%016llx), phy(%d), device_name(0x%016llx)\n", |
635374e7 EM |
2028 | ds, sas_device->handle, |
2029 | (unsigned long long)sas_device->sas_address, | |
7fbae67a | 2030 | sas_device->phy, |
635374e7 EM |
2031 | (unsigned long long)sas_device->device_name); |
2032 | sdev_printk(KERN_INFO, sdev, "%s: " | |
2033 | "enclosure_logical_id(0x%016llx), slot(%d)\n", ds, | |
2034 | (unsigned long long) sas_device->enclosure_logical_id, | |
2035 | sas_device->slot); | |
2036 | ||
2037 | if (!ssp_target) | |
d5d135b3 | 2038 | _scsih_display_sata_capabilities(ioc, sas_device, sdev); |
635374e7 EM |
2039 | } |
2040 | ||
e881a172 | 2041 | _scsih_change_queue_depth(sdev, qdepth, SCSI_QDEPTH_DEFAULT); |
635374e7 | 2042 | |
84f0b04a | 2043 | if (ssp_target) { |
635374e7 | 2044 | sas_read_port_mode_page(sdev); |
84f0b04a KD |
2045 | _scsih_enable_tlr(ioc, sdev); |
2046 | } | |
635374e7 EM |
2047 | return 0; |
2048 | } | |
2049 | ||
2050 | /** | |
d5d135b3 | 2051 | * _scsih_bios_param - fetch head, sector, cylinder info for a disk |
635374e7 EM |
2052 | * @sdev: scsi device struct |
2053 | * @bdev: pointer to block device context | |
2054 | * @capacity: device size (in 512 byte sectors) | |
2055 | * @params: three element array to place output: | |
2056 | * params[0] number of heads (max 255) | |
2057 | * params[1] number of sectors (max 63) | |
2058 | * params[2] number of cylinders | |
2059 | * | |
2060 | * Return nothing. | |
2061 | */ | |
2062 | static int | |
d5d135b3 | 2063 | _scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev, |
635374e7 EM |
2064 | sector_t capacity, int params[]) |
2065 | { | |
2066 | int heads; | |
2067 | int sectors; | |
2068 | sector_t cylinders; | |
2069 | ulong dummy; | |
2070 | ||
2071 | heads = 64; | |
2072 | sectors = 32; | |
2073 | ||
2074 | dummy = heads * sectors; | |
2075 | cylinders = capacity; | |
2076 | sector_div(cylinders, dummy); | |
2077 | ||
2078 | /* | |
2079 | * Handle extended translation size for logical drives | |
2080 | * > 1Gb | |
2081 | */ | |
2082 | if ((ulong)capacity >= 0x200000) { | |
2083 | heads = 255; | |
2084 | sectors = 63; | |
2085 | dummy = heads * sectors; | |
2086 | cylinders = capacity; | |
2087 | sector_div(cylinders, dummy); | |
2088 | } | |
2089 | ||
2090 | /* return result */ | |
2091 | params[0] = heads; | |
2092 | params[1] = sectors; | |
2093 | params[2] = cylinders; | |
2094 | ||
2095 | return 0; | |
2096 | } | |
2097 | ||
2098 | /** | |
2099 | * _scsih_response_code - translation of device response code | |
2100 | * @ioc: per adapter object | |
2101 | * @response_code: response code returned by the device | |
2102 | * | |
2103 | * Return nothing. | |
2104 | */ | |
2105 | static void | |
2106 | _scsih_response_code(struct MPT2SAS_ADAPTER *ioc, u8 response_code) | |
2107 | { | |
2108 | char *desc; | |
2109 | ||
2110 | switch (response_code) { | |
2111 | case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE: | |
2112 | desc = "task management request completed"; | |
2113 | break; | |
2114 | case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME: | |
2115 | desc = "invalid frame"; | |
2116 | break; | |
2117 | case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED: | |
2118 | desc = "task management request not supported"; | |
2119 | break; | |
2120 | case MPI2_SCSITASKMGMT_RSP_TM_FAILED: | |
2121 | desc = "task management request failed"; | |
2122 | break; | |
2123 | case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED: | |
2124 | desc = "task management request succeeded"; | |
2125 | break; | |
2126 | case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN: | |
2127 | desc = "invalid lun"; | |
2128 | break; | |
2129 | case 0xA: | |
2130 | desc = "overlapped tag attempted"; | |
2131 | break; | |
2132 | case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC: | |
2133 | desc = "task queued, however not sent to target"; | |
2134 | break; | |
2135 | default: | |
2136 | desc = "unknown"; | |
2137 | break; | |
2138 | } | |
2139 | printk(MPT2SAS_WARN_FMT "response_code(0x%01x): %s\n", | |
2140 | ioc->name, response_code, desc); | |
2141 | } | |
2142 | ||
2143 | /** | |
d5d135b3 | 2144 | * _scsih_tm_done - tm completion routine |
635374e7 EM |
2145 | * @ioc: per adapter object |
2146 | * @smid: system request message index | |
7b936b02 | 2147 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
2148 | * @reply: reply message frame(lower 32bit addr) |
2149 | * Context: none. | |
2150 | * | |
2151 | * The callback handler when using scsih_issue_tm. | |
2152 | * | |
77e63ed4 KD |
2153 | * Return 1 meaning mf should be freed from _base_interrupt |
2154 | * 0 means the mf is freed from this function. | |
635374e7 | 2155 | */ |
77e63ed4 | 2156 | static u8 |
7b936b02 | 2157 | _scsih_tm_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) |
635374e7 EM |
2158 | { |
2159 | MPI2DefaultReply_t *mpi_reply; | |
2160 | ||
2161 | if (ioc->tm_cmds.status == MPT2_CMD_NOT_USED) | |
77e63ed4 | 2162 | return 1; |
635374e7 | 2163 | if (ioc->tm_cmds.smid != smid) |
77e63ed4 | 2164 | return 1; |
635374e7 EM |
2165 | ioc->tm_cmds.status |= MPT2_CMD_COMPLETE; |
2166 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
2167 | if (mpi_reply) { | |
2168 | memcpy(ioc->tm_cmds.reply, mpi_reply, mpi_reply->MsgLength*4); | |
2169 | ioc->tm_cmds.status |= MPT2_CMD_REPLY_VALID; | |
2170 | } | |
2171 | ioc->tm_cmds.status &= ~MPT2_CMD_PENDING; | |
2172 | complete(&ioc->tm_cmds.done); | |
77e63ed4 | 2173 | return 1; |
635374e7 EM |
2174 | } |
2175 | ||
2176 | /** | |
2177 | * mpt2sas_scsih_set_tm_flag - set per target tm_busy | |
2178 | * @ioc: per adapter object | |
2179 | * @handle: device handle | |
2180 | * | |
2181 | * During taskmangement request, we need to freeze the device queue. | |
2182 | */ | |
2183 | void | |
2184 | mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
2185 | { | |
2186 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
2187 | struct scsi_device *sdev; | |
2188 | u8 skip = 0; | |
2189 | ||
2190 | shost_for_each_device(sdev, ioc->shost) { | |
2191 | if (skip) | |
2192 | continue; | |
2193 | sas_device_priv_data = sdev->hostdata; | |
2194 | if (!sas_device_priv_data) | |
2195 | continue; | |
2196 | if (sas_device_priv_data->sas_target->handle == handle) { | |
2197 | sas_device_priv_data->sas_target->tm_busy = 1; | |
2198 | skip = 1; | |
2199 | ioc->ignore_loginfos = 1; | |
2200 | } | |
2201 | } | |
2202 | } | |
2203 | ||
2204 | /** | |
2205 | * mpt2sas_scsih_clear_tm_flag - clear per target tm_busy | |
2206 | * @ioc: per adapter object | |
2207 | * @handle: device handle | |
2208 | * | |
2209 | * During taskmangement request, we need to freeze the device queue. | |
2210 | */ | |
2211 | void | |
2212 | mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
2213 | { | |
2214 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
2215 | struct scsi_device *sdev; | |
2216 | u8 skip = 0; | |
2217 | ||
2218 | shost_for_each_device(sdev, ioc->shost) { | |
2219 | if (skip) | |
2220 | continue; | |
2221 | sas_device_priv_data = sdev->hostdata; | |
2222 | if (!sas_device_priv_data) | |
2223 | continue; | |
2224 | if (sas_device_priv_data->sas_target->handle == handle) { | |
2225 | sas_device_priv_data->sas_target->tm_busy = 0; | |
2226 | skip = 1; | |
2227 | ioc->ignore_loginfos = 0; | |
2228 | } | |
2229 | } | |
2230 | } | |
2231 | ||
8ed9a03a | 2232 | |
635374e7 EM |
2233 | /** |
2234 | * mpt2sas_scsih_issue_tm - main routine for sending tm requests | |
2235 | * @ioc: per adapter struct | |
2236 | * @device_handle: device handle | |
8ed9a03a KD |
2237 | * @channel: the channel assigned by the OS |
2238 | * @id: the id assigned by the OS | |
635374e7 EM |
2239 | * @lun: lun number |
2240 | * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h) | |
2241 | * @smid_task: smid assigned to the task | |
2242 | * @timeout: timeout in seconds | |
f93213de KD |
2243 | * @serial_number: the serial_number from scmd |
2244 | * @m_type: TM_MUTEX_ON or TM_MUTEX_OFF | |
8ed9a03a | 2245 | * Context: user |
635374e7 EM |
2246 | * |
2247 | * A generic API for sending task management requests to firmware. | |
2248 | * | |
635374e7 EM |
2249 | * The callback index is set inside `ioc->tm_cb_idx`. |
2250 | * | |
8ed9a03a | 2251 | * Return SUCCESS or FAILED. |
635374e7 | 2252 | */ |
8ed9a03a KD |
2253 | int |
2254 | mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint channel, | |
2255 | uint id, uint lun, u8 type, u16 smid_task, ulong timeout, | |
f93213de | 2256 | unsigned long serial_number, enum mutex_type m_type) |
635374e7 EM |
2257 | { |
2258 | Mpi2SCSITaskManagementRequest_t *mpi_request; | |
2259 | Mpi2SCSITaskManagementReply_t *mpi_reply; | |
2260 | u16 smid = 0; | |
2261 | u32 ioc_state; | |
2262 | unsigned long timeleft; | |
f93213de | 2263 | struct scsiio_tracker *scsi_lookup = NULL; |
8ed9a03a | 2264 | int rc; |
635374e7 | 2265 | |
f93213de KD |
2266 | if (m_type == TM_MUTEX_ON) |
2267 | mutex_lock(&ioc->tm_cmds.mutex); | |
155dd4c7 KD |
2268 | if (ioc->tm_cmds.status != MPT2_CMD_NOT_USED) { |
2269 | printk(MPT2SAS_INFO_FMT "%s: tm_cmd busy!!!\n", | |
2270 | __func__, ioc->name); | |
8ed9a03a KD |
2271 | rc = FAILED; |
2272 | goto err_out; | |
155dd4c7 KD |
2273 | } |
2274 | ||
3cb5469a EM |
2275 | if (ioc->shost_recovery || ioc->remove_host || |
2276 | ioc->pci_error_recovery) { | |
635374e7 EM |
2277 | printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", |
2278 | __func__, ioc->name); | |
8ed9a03a KD |
2279 | rc = FAILED; |
2280 | goto err_out; | |
635374e7 | 2281 | } |
635374e7 EM |
2282 | |
2283 | ioc_state = mpt2sas_base_get_iocstate(ioc, 0); | |
2284 | if (ioc_state & MPI2_DOORBELL_USED) { | |
eabb08ad | 2285 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "unexpected doorbell " |
635374e7 | 2286 | "active!\n", ioc->name)); |
f93213de | 2287 | rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, |
8ed9a03a | 2288 | FORCE_BIG_HAMMER); |
f93213de | 2289 | rc = (!rc) ? SUCCESS : FAILED; |
8ed9a03a | 2290 | goto err_out; |
635374e7 EM |
2291 | } |
2292 | ||
2293 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { | |
2294 | mpt2sas_base_fault_info(ioc, ioc_state & | |
2295 | MPI2_DOORBELL_DATA_MASK); | |
f93213de | 2296 | rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, |
8ed9a03a | 2297 | FORCE_BIG_HAMMER); |
f93213de | 2298 | rc = (!rc) ? SUCCESS : FAILED; |
8ed9a03a | 2299 | goto err_out; |
635374e7 EM |
2300 | } |
2301 | ||
595bb0bd | 2302 | smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx); |
635374e7 EM |
2303 | if (!smid) { |
2304 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
2305 | ioc->name, __func__); | |
8ed9a03a KD |
2306 | rc = FAILED; |
2307 | goto err_out; | |
635374e7 EM |
2308 | } |
2309 | ||
f93213de KD |
2310 | if (type == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK) |
2311 | scsi_lookup = &ioc->scsi_lookup[smid_task - 1]; | |
2312 | ||
635374e7 | 2313 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "sending tm: handle(0x%04x)," |
595bb0bd KD |
2314 | " task_type(0x%02x), smid(%d)\n", ioc->name, handle, type, |
2315 | smid_task)); | |
635374e7 EM |
2316 | ioc->tm_cmds.status = MPT2_CMD_PENDING; |
2317 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
2318 | ioc->tm_cmds.smid = smid; | |
2319 | memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t)); | |
f93213de | 2320 | memset(ioc->tm_cmds.reply, 0, sizeof(Mpi2SCSITaskManagementReply_t)); |
635374e7 EM |
2321 | mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; |
2322 | mpi_request->DevHandle = cpu_to_le16(handle); | |
2323 | mpi_request->TaskType = type; | |
2324 | mpi_request->TaskMID = cpu_to_le16(smid_task); | |
2325 | int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN); | |
2326 | mpt2sas_scsih_set_tm_flag(ioc, handle); | |
5b768581 | 2327 | init_completion(&ioc->tm_cmds.done); |
7b936b02 | 2328 | mpt2sas_base_put_smid_hi_priority(ioc, smid); |
635374e7 | 2329 | timeleft = wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ); |
635374e7 EM |
2330 | if (!(ioc->tm_cmds.status & MPT2_CMD_COMPLETE)) { |
2331 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
2332 | ioc->name, __func__); | |
2333 | _debug_dump_mf(mpi_request, | |
2334 | sizeof(Mpi2SCSITaskManagementRequest_t)/4); | |
8ed9a03a | 2335 | if (!(ioc->tm_cmds.status & MPT2_CMD_RESET)) { |
f93213de | 2336 | rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, |
8ed9a03a | 2337 | FORCE_BIG_HAMMER); |
f93213de | 2338 | rc = (!rc) ? SUCCESS : FAILED; |
8ed9a03a KD |
2339 | ioc->tm_cmds.status = MPT2_CMD_NOT_USED; |
2340 | mpt2sas_scsih_clear_tm_flag(ioc, handle); | |
2341 | goto err_out; | |
2342 | } | |
635374e7 EM |
2343 | } |
2344 | ||
2345 | if (ioc->tm_cmds.status & MPT2_CMD_REPLY_VALID) { | |
2346 | mpi_reply = ioc->tm_cmds.reply; | |
2347 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "complete tm: " | |
2348 | "ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n", | |
2349 | ioc->name, le16_to_cpu(mpi_reply->IOCStatus), | |
2350 | le32_to_cpu(mpi_reply->IOCLogInfo), | |
2351 | le32_to_cpu(mpi_reply->TerminationCount))); | |
8ed9a03a | 2352 | if (ioc->logging_level & MPT_DEBUG_TM) { |
635374e7 | 2353 | _scsih_response_code(ioc, mpi_reply->ResponseCode); |
8ed9a03a KD |
2354 | if (mpi_reply->IOCStatus) |
2355 | _debug_dump_mf(mpi_request, | |
2356 | sizeof(Mpi2SCSITaskManagementRequest_t)/4); | |
2357 | } | |
635374e7 | 2358 | } |
8ed9a03a | 2359 | |
8ed9a03a KD |
2360 | switch (type) { |
2361 | case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK: | |
f93213de KD |
2362 | rc = SUCCESS; |
2363 | if (scsi_lookup->scmd == NULL) | |
2364 | break; | |
2365 | rc = FAILED; | |
8ed9a03a KD |
2366 | break; |
2367 | ||
2368 | case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET: | |
2369 | if (_scsih_scsi_lookup_find_by_target(ioc, id, channel)) | |
2370 | rc = FAILED; | |
2371 | else | |
2372 | rc = SUCCESS; | |
2373 | break; | |
2374 | ||
f93213de | 2375 | case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET: |
8ed9a03a KD |
2376 | case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET: |
2377 | if (_scsih_scsi_lookup_find_by_lun(ioc, id, lun, channel)) | |
2378 | rc = FAILED; | |
2379 | else | |
2380 | rc = SUCCESS; | |
2381 | break; | |
f93213de KD |
2382 | case MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK: |
2383 | rc = SUCCESS; | |
2384 | break; | |
2385 | default: | |
2386 | rc = FAILED; | |
2387 | break; | |
8ed9a03a KD |
2388 | } |
2389 | ||
8ed9a03a KD |
2390 | mpt2sas_scsih_clear_tm_flag(ioc, handle); |
2391 | ioc->tm_cmds.status = MPT2_CMD_NOT_USED; | |
f93213de KD |
2392 | if (m_type == TM_MUTEX_ON) |
2393 | mutex_unlock(&ioc->tm_cmds.mutex); | |
8ed9a03a KD |
2394 | |
2395 | return rc; | |
2396 | ||
2397 | err_out: | |
f93213de KD |
2398 | if (m_type == TM_MUTEX_ON) |
2399 | mutex_unlock(&ioc->tm_cmds.mutex); | |
8ed9a03a | 2400 | return rc; |
635374e7 EM |
2401 | } |
2402 | ||
8e864a81 KD |
2403 | /** |
2404 | * _scsih_tm_display_info - displays info about the device | |
2405 | * @ioc: per adapter struct | |
2406 | * @scmd: pointer to scsi command object | |
2407 | * | |
2408 | * Called by task management callback handlers. | |
2409 | */ | |
2410 | static void | |
2411 | _scsih_tm_display_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd) | |
2412 | { | |
2413 | struct scsi_target *starget = scmd->device->sdev_target; | |
2414 | struct MPT2SAS_TARGET *priv_target = starget->hostdata; | |
2415 | struct _sas_device *sas_device = NULL; | |
2416 | unsigned long flags; | |
0bdccdb0 | 2417 | char *device_str = NULL; |
8e864a81 KD |
2418 | |
2419 | if (!priv_target) | |
2420 | return; | |
0bdccdb0 KD |
2421 | if (ioc->hide_ir_msg) |
2422 | device_str = "WarpDrive"; | |
2423 | else | |
2424 | device_str = "volume"; | |
8e864a81 KD |
2425 | |
2426 | scsi_print_command(scmd); | |
2427 | if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) { | |
0bdccdb0 KD |
2428 | starget_printk(KERN_INFO, starget, "%s handle(0x%04x), " |
2429 | "%s wwid(0x%016llx)\n", device_str, priv_target->handle, | |
2430 | device_str, (unsigned long long)priv_target->sas_address); | |
8e864a81 KD |
2431 | } else { |
2432 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
2433 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
2434 | priv_target->sas_address); | |
2435 | if (sas_device) { | |
2436 | if (priv_target->flags & | |
2437 | MPT_TARGET_FLAGS_RAID_COMPONENT) { | |
2438 | starget_printk(KERN_INFO, starget, | |
2439 | "volume handle(0x%04x), " | |
2440 | "volume wwid(0x%016llx)\n", | |
2441 | sas_device->volume_handle, | |
2442 | (unsigned long long)sas_device->volume_wwid); | |
2443 | } | |
2444 | starget_printk(KERN_INFO, starget, | |
2445 | "handle(0x%04x), sas_address(0x%016llx), phy(%d)\n", | |
2446 | sas_device->handle, | |
2447 | (unsigned long long)sas_device->sas_address, | |
2448 | sas_device->phy); | |
2449 | starget_printk(KERN_INFO, starget, | |
2450 | "enclosure_logical_id(0x%016llx), slot(%d)\n", | |
2451 | (unsigned long long)sas_device->enclosure_logical_id, | |
2452 | sas_device->slot); | |
2453 | } | |
2454 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
2455 | } | |
2456 | } | |
2457 | ||
635374e7 | 2458 | /** |
d5d135b3 | 2459 | * _scsih_abort - eh threads main abort routine |
8e864a81 | 2460 | * @scmd: pointer to scsi command object |
635374e7 EM |
2461 | * |
2462 | * Returns SUCCESS if command aborted else FAILED | |
2463 | */ | |
2464 | static int | |
d5d135b3 | 2465 | _scsih_abort(struct scsi_cmnd *scmd) |
635374e7 EM |
2466 | { |
2467 | struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); | |
2468 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
2469 | u16 smid; | |
2470 | u16 handle; | |
2471 | int r; | |
635374e7 | 2472 | |
8e864a81 KD |
2473 | sdev_printk(KERN_INFO, scmd->device, "attempting task abort! " |
2474 | "scmd(%p)\n", scmd); | |
2475 | _scsih_tm_display_info(ioc, scmd); | |
635374e7 EM |
2476 | |
2477 | sas_device_priv_data = scmd->device->hostdata; | |
2478 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { | |
8e864a81 KD |
2479 | sdev_printk(KERN_INFO, scmd->device, "device been deleted! " |
2480 | "scmd(%p)\n", scmd); | |
635374e7 EM |
2481 | scmd->result = DID_NO_CONNECT << 16; |
2482 | scmd->scsi_done(scmd); | |
2483 | r = SUCCESS; | |
2484 | goto out; | |
2485 | } | |
2486 | ||
2487 | /* search for the command */ | |
2488 | smid = _scsih_scsi_lookup_find_by_scmd(ioc, scmd); | |
2489 | if (!smid) { | |
2490 | scmd->result = DID_RESET << 16; | |
2491 | r = SUCCESS; | |
2492 | goto out; | |
2493 | } | |
2494 | ||
2495 | /* for hidden raid components and volumes this is not supported */ | |
2496 | if (sas_device_priv_data->sas_target->flags & | |
2497 | MPT_TARGET_FLAGS_RAID_COMPONENT || | |
2498 | sas_device_priv_data->sas_target->flags & MPT_TARGET_FLAGS_VOLUME) { | |
2499 | scmd->result = DID_RESET << 16; | |
2500 | r = FAILED; | |
2501 | goto out; | |
2502 | } | |
2503 | ||
fa7f3167 KD |
2504 | mpt2sas_halt_firmware(ioc); |
2505 | ||
635374e7 | 2506 | handle = sas_device_priv_data->sas_target->handle; |
8ed9a03a KD |
2507 | r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel, |
2508 | scmd->device->id, scmd->device->lun, | |
f93213de KD |
2509 | MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30, |
2510 | scmd->serial_number, TM_MUTEX_ON); | |
635374e7 EM |
2511 | |
2512 | out: | |
8e864a81 KD |
2513 | sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(%p)\n", |
2514 | ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); | |
635374e7 EM |
2515 | return r; |
2516 | } | |
2517 | ||
635374e7 | 2518 | /** |
d5d135b3 | 2519 | * _scsih_dev_reset - eh threads main device reset routine |
8e864a81 | 2520 | * @scmd: pointer to scsi command object |
635374e7 EM |
2521 | * |
2522 | * Returns SUCCESS if command aborted else FAILED | |
2523 | */ | |
2524 | static int | |
d5d135b3 | 2525 | _scsih_dev_reset(struct scsi_cmnd *scmd) |
635374e7 EM |
2526 | { |
2527 | struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); | |
2528 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
2529 | struct _sas_device *sas_device; | |
2530 | unsigned long flags; | |
2531 | u16 handle; | |
2532 | int r; | |
2533 | ||
8e864a81 KD |
2534 | struct scsi_target *starget = scmd->device->sdev_target; |
2535 | ||
37aaa78b | 2536 | starget_printk(KERN_INFO, starget, "attempting device reset! " |
8e864a81 KD |
2537 | "scmd(%p)\n", scmd); |
2538 | _scsih_tm_display_info(ioc, scmd); | |
635374e7 EM |
2539 | |
2540 | sas_device_priv_data = scmd->device->hostdata; | |
2541 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { | |
37aaa78b | 2542 | starget_printk(KERN_INFO, starget, "device been deleted! " |
8e864a81 | 2543 | "scmd(%p)\n", scmd); |
635374e7 EM |
2544 | scmd->result = DID_NO_CONNECT << 16; |
2545 | scmd->scsi_done(scmd); | |
2546 | r = SUCCESS; | |
2547 | goto out; | |
2548 | } | |
2549 | ||
2550 | /* for hidden raid components obtain the volume_handle */ | |
2551 | handle = 0; | |
2552 | if (sas_device_priv_data->sas_target->flags & | |
2553 | MPT_TARGET_FLAGS_RAID_COMPONENT) { | |
2554 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
2555 | sas_device = _scsih_sas_device_find_by_handle(ioc, | |
2556 | sas_device_priv_data->sas_target->handle); | |
2557 | if (sas_device) | |
2558 | handle = sas_device->volume_handle; | |
2559 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
2560 | } else | |
2561 | handle = sas_device_priv_data->sas_target->handle; | |
2562 | ||
2563 | if (!handle) { | |
2564 | scmd->result = DID_RESET << 16; | |
2565 | r = FAILED; | |
2566 | goto out; | |
2567 | } | |
2568 | ||
8ed9a03a KD |
2569 | r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel, |
2570 | scmd->device->id, scmd->device->lun, | |
f93213de KD |
2571 | MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 0, 30, 0, |
2572 | TM_MUTEX_ON); | |
993e0da7 EM |
2573 | |
2574 | out: | |
8e864a81 KD |
2575 | sdev_printk(KERN_INFO, scmd->device, "device reset: %s scmd(%p)\n", |
2576 | ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); | |
993e0da7 EM |
2577 | return r; |
2578 | } | |
2579 | ||
2580 | /** | |
d5d135b3 | 2581 | * _scsih_target_reset - eh threads main target reset routine |
8e864a81 | 2582 | * @scmd: pointer to scsi command object |
993e0da7 EM |
2583 | * |
2584 | * Returns SUCCESS if command aborted else FAILED | |
2585 | */ | |
2586 | static int | |
d5d135b3 | 2587 | _scsih_target_reset(struct scsi_cmnd *scmd) |
993e0da7 EM |
2588 | { |
2589 | struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); | |
2590 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
2591 | struct _sas_device *sas_device; | |
2592 | unsigned long flags; | |
2593 | u16 handle; | |
2594 | int r; | |
8e864a81 | 2595 | struct scsi_target *starget = scmd->device->sdev_target; |
993e0da7 | 2596 | |
8e864a81 KD |
2597 | starget_printk(KERN_INFO, starget, "attempting target reset! " |
2598 | "scmd(%p)\n", scmd); | |
2599 | _scsih_tm_display_info(ioc, scmd); | |
993e0da7 EM |
2600 | |
2601 | sas_device_priv_data = scmd->device->hostdata; | |
2602 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { | |
8e864a81 KD |
2603 | starget_printk(KERN_INFO, starget, "target been deleted! " |
2604 | "scmd(%p)\n", scmd); | |
993e0da7 EM |
2605 | scmd->result = DID_NO_CONNECT << 16; |
2606 | scmd->scsi_done(scmd); | |
2607 | r = SUCCESS; | |
2608 | goto out; | |
2609 | } | |
2610 | ||
2611 | /* for hidden raid components obtain the volume_handle */ | |
2612 | handle = 0; | |
2613 | if (sas_device_priv_data->sas_target->flags & | |
2614 | MPT_TARGET_FLAGS_RAID_COMPONENT) { | |
2615 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
2616 | sas_device = _scsih_sas_device_find_by_handle(ioc, | |
2617 | sas_device_priv_data->sas_target->handle); | |
2618 | if (sas_device) | |
2619 | handle = sas_device->volume_handle; | |
2620 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
2621 | } else | |
2622 | handle = sas_device_priv_data->sas_target->handle; | |
2623 | ||
2624 | if (!handle) { | |
2625 | scmd->result = DID_RESET << 16; | |
2626 | r = FAILED; | |
2627 | goto out; | |
2628 | } | |
2629 | ||
8ed9a03a KD |
2630 | r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel, |
2631 | scmd->device->id, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, | |
f93213de | 2632 | 30, 0, TM_MUTEX_ON); |
635374e7 EM |
2633 | |
2634 | out: | |
8e864a81 KD |
2635 | starget_printk(KERN_INFO, starget, "target reset: %s scmd(%p)\n", |
2636 | ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); | |
635374e7 EM |
2637 | return r; |
2638 | } | |
2639 | ||
2640 | /** | |
595bb0bd | 2641 | * _scsih_host_reset - eh threads main host reset routine |
8e864a81 | 2642 | * @scmd: pointer to scsi command object |
635374e7 EM |
2643 | * |
2644 | * Returns SUCCESS if command aborted else FAILED | |
2645 | */ | |
2646 | static int | |
d5d135b3 | 2647 | _scsih_host_reset(struct scsi_cmnd *scmd) |
635374e7 EM |
2648 | { |
2649 | struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); | |
2650 | int r, retval; | |
2651 | ||
2652 | printk(MPT2SAS_INFO_FMT "attempting host reset! scmd(%p)\n", | |
2653 | ioc->name, scmd); | |
2654 | scsi_print_command(scmd); | |
2655 | ||
2656 | retval = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
2657 | FORCE_BIG_HAMMER); | |
2658 | r = (retval < 0) ? FAILED : SUCCESS; | |
2659 | printk(MPT2SAS_INFO_FMT "host reset: %s scmd(%p)\n", | |
2660 | ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); | |
2661 | ||
2662 | return r; | |
2663 | } | |
2664 | ||
2665 | /** | |
2666 | * _scsih_fw_event_add - insert and queue up fw_event | |
2667 | * @ioc: per adapter object | |
2668 | * @fw_event: object describing the event | |
2669 | * Context: This function will acquire ioc->fw_event_lock. | |
2670 | * | |
2671 | * This adds the firmware event object into link list, then queues it up to | |
2672 | * be processed from user context. | |
2673 | * | |
2674 | * Return nothing. | |
2675 | */ | |
2676 | static void | |
2677 | _scsih_fw_event_add(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work *fw_event) | |
2678 | { | |
2679 | unsigned long flags; | |
2680 | ||
2681 | if (ioc->firmware_event_thread == NULL) | |
2682 | return; | |
2683 | ||
2684 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
2685 | list_add_tail(&fw_event->list, &ioc->fw_event_list); | |
f1c35e6a KD |
2686 | INIT_DELAYED_WORK(&fw_event->delayed_work, _firmware_event_work); |
2687 | queue_delayed_work(ioc->firmware_event_thread, | |
2688 | &fw_event->delayed_work, 0); | |
635374e7 EM |
2689 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); |
2690 | } | |
2691 | ||
2692 | /** | |
2693 | * _scsih_fw_event_free - delete fw_event | |
2694 | * @ioc: per adapter object | |
2695 | * @fw_event: object describing the event | |
2696 | * Context: This function will acquire ioc->fw_event_lock. | |
2697 | * | |
2698 | * This removes firmware event object from link list, frees associated memory. | |
2699 | * | |
2700 | * Return nothing. | |
2701 | */ | |
2702 | static void | |
2703 | _scsih_fw_event_free(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work | |
2704 | *fw_event) | |
2705 | { | |
2706 | unsigned long flags; | |
2707 | ||
2708 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
2709 | list_del(&fw_event->list); | |
2710 | kfree(fw_event->event_data); | |
2711 | kfree(fw_event); | |
2712 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
2713 | } | |
2714 | ||
f1c35e6a | 2715 | |
635374e7 | 2716 | /** |
f1c35e6a | 2717 | * _scsih_queue_rescan - queue a topology rescan from user context |
635374e7 | 2718 | * @ioc: per adapter object |
635374e7 EM |
2719 | * |
2720 | * Return nothing. | |
2721 | */ | |
2722 | static void | |
f1c35e6a | 2723 | _scsih_queue_rescan(struct MPT2SAS_ADAPTER *ioc) |
635374e7 | 2724 | { |
f1c35e6a | 2725 | struct fw_event_work *fw_event; |
635374e7 | 2726 | |
f1c35e6a KD |
2727 | if (ioc->wait_for_port_enable_to_complete) |
2728 | return; | |
2729 | fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC); | |
2730 | if (!fw_event) | |
2731 | return; | |
2732 | fw_event->event = MPT2SAS_RESCAN_AFTER_HOST_RESET; | |
2733 | fw_event->ioc = ioc; | |
2734 | _scsih_fw_event_add(ioc, fw_event); | |
635374e7 EM |
2735 | } |
2736 | ||
2737 | /** | |
f1c35e6a | 2738 | * _scsih_fw_event_cleanup_queue - cleanup event queue |
635374e7 EM |
2739 | * @ioc: per adapter object |
2740 | * | |
f1c35e6a KD |
2741 | * Walk the firmware event queue, either killing timers, or waiting |
2742 | * for outstanding events to complete | |
635374e7 EM |
2743 | * |
2744 | * Return nothing. | |
2745 | */ | |
2746 | static void | |
f1c35e6a | 2747 | _scsih_fw_event_cleanup_queue(struct MPT2SAS_ADAPTER *ioc) |
635374e7 | 2748 | { |
f1c35e6a | 2749 | struct fw_event_work *fw_event, *next; |
635374e7 | 2750 | |
f1c35e6a KD |
2751 | if (list_empty(&ioc->fw_event_list) || |
2752 | !ioc->firmware_event_thread || in_interrupt()) | |
2753 | return; | |
635374e7 | 2754 | |
f1c35e6a KD |
2755 | list_for_each_entry_safe(fw_event, next, &ioc->fw_event_list, list) { |
2756 | if (cancel_delayed_work(&fw_event->delayed_work)) { | |
2757 | _scsih_fw_event_free(ioc, fw_event); | |
2758 | continue; | |
2759 | } | |
2760 | fw_event->cancel_pending_work = 1; | |
2761 | } | |
635374e7 EM |
2762 | } |
2763 | ||
f93213de KD |
2764 | /** |
2765 | * _scsih_ublock_io_all_device - unblock every device | |
2766 | * @ioc: per adapter object | |
2767 | * | |
2768 | * change the device state from block to running | |
2769 | */ | |
2770 | static void | |
2771 | _scsih_ublock_io_all_device(struct MPT2SAS_ADAPTER *ioc) | |
2772 | { | |
2773 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
2774 | struct scsi_device *sdev; | |
2775 | ||
2776 | shost_for_each_device(sdev, ioc->shost) { | |
2777 | sas_device_priv_data = sdev->hostdata; | |
2778 | if (!sas_device_priv_data) | |
2779 | continue; | |
2780 | if (!sas_device_priv_data->block) | |
2781 | continue; | |
2782 | sas_device_priv_data->block = 0; | |
2783 | dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, "device_running, " | |
2784 | "handle(0x%04x)\n", | |
2785 | sas_device_priv_data->sas_target->handle)); | |
2786 | scsi_internal_device_unblock(sdev); | |
2787 | } | |
2788 | } | |
635374e7 EM |
2789 | /** |
2790 | * _scsih_ublock_io_device - set the device state to SDEV_RUNNING | |
2791 | * @ioc: per adapter object | |
2792 | * @handle: device handle | |
2793 | * | |
2794 | * During device pull we need to appropiately set the sdev state. | |
2795 | */ | |
2796 | static void | |
2797 | _scsih_ublock_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
2798 | { | |
2799 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
2800 | struct scsi_device *sdev; | |
2801 | ||
2802 | shost_for_each_device(sdev, ioc->shost) { | |
2803 | sas_device_priv_data = sdev->hostdata; | |
2804 | if (!sas_device_priv_data) | |
2805 | continue; | |
2806 | if (!sas_device_priv_data->block) | |
2807 | continue; | |
2808 | if (sas_device_priv_data->sas_target->handle == handle) { | |
2809 | dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, | |
2810 | MPT2SAS_INFO_FMT "SDEV_RUNNING: " | |
2811 | "handle(0x%04x)\n", ioc->name, handle)); | |
2812 | sas_device_priv_data->block = 0; | |
34a03bef | 2813 | scsi_internal_device_unblock(sdev); |
635374e7 EM |
2814 | } |
2815 | } | |
2816 | } | |
2817 | ||
f93213de KD |
2818 | /** |
2819 | * _scsih_block_io_all_device - set the device state to SDEV_BLOCK | |
2820 | * @ioc: per adapter object | |
2821 | * @handle: device handle | |
2822 | * | |
2823 | * During device pull we need to appropiately set the sdev state. | |
2824 | */ | |
2825 | static void | |
2826 | _scsih_block_io_all_device(struct MPT2SAS_ADAPTER *ioc) | |
2827 | { | |
2828 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
2829 | struct scsi_device *sdev; | |
2830 | ||
2831 | shost_for_each_device(sdev, ioc->shost) { | |
2832 | sas_device_priv_data = sdev->hostdata; | |
2833 | if (!sas_device_priv_data) | |
2834 | continue; | |
2835 | if (sas_device_priv_data->block) | |
2836 | continue; | |
2837 | sas_device_priv_data->block = 1; | |
2838 | dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, "device_blocked, " | |
2839 | "handle(0x%04x)\n", | |
2840 | sas_device_priv_data->sas_target->handle)); | |
2841 | scsi_internal_device_block(sdev); | |
2842 | } | |
2843 | } | |
2844 | ||
2845 | ||
635374e7 EM |
2846 | /** |
2847 | * _scsih_block_io_device - set the device state to SDEV_BLOCK | |
2848 | * @ioc: per adapter object | |
2849 | * @handle: device handle | |
2850 | * | |
2851 | * During device pull we need to appropiately set the sdev state. | |
2852 | */ | |
2853 | static void | |
2854 | _scsih_block_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
2855 | { | |
2856 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
2857 | struct scsi_device *sdev; | |
2858 | ||
2859 | shost_for_each_device(sdev, ioc->shost) { | |
2860 | sas_device_priv_data = sdev->hostdata; | |
2861 | if (!sas_device_priv_data) | |
2862 | continue; | |
2863 | if (sas_device_priv_data->block) | |
2864 | continue; | |
2865 | if (sas_device_priv_data->sas_target->handle == handle) { | |
2866 | dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, | |
2867 | MPT2SAS_INFO_FMT "SDEV_BLOCK: " | |
2868 | "handle(0x%04x)\n", ioc->name, handle)); | |
2869 | sas_device_priv_data->block = 1; | |
34a03bef | 2870 | scsi_internal_device_block(sdev); |
635374e7 EM |
2871 | } |
2872 | } | |
2873 | } | |
2874 | ||
2875 | /** | |
2876 | * _scsih_block_io_to_children_attached_to_ex | |
2877 | * @ioc: per adapter object | |
2878 | * @sas_expander: the sas_device object | |
2879 | * | |
2880 | * This routine set sdev state to SDEV_BLOCK for all devices | |
2881 | * attached to this expander. This function called when expander is | |
2882 | * pulled. | |
2883 | */ | |
2884 | static void | |
2885 | _scsih_block_io_to_children_attached_to_ex(struct MPT2SAS_ADAPTER *ioc, | |
2886 | struct _sas_node *sas_expander) | |
2887 | { | |
2888 | struct _sas_port *mpt2sas_port; | |
2889 | struct _sas_device *sas_device; | |
2890 | struct _sas_node *expander_sibling; | |
2891 | unsigned long flags; | |
2892 | ||
2893 | if (!sas_expander) | |
2894 | return; | |
2895 | ||
2896 | list_for_each_entry(mpt2sas_port, | |
2897 | &sas_expander->sas_port_list, port_list) { | |
2898 | if (mpt2sas_port->remote_identify.device_type == | |
2899 | SAS_END_DEVICE) { | |
2900 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
2901 | sas_device = | |
2902 | mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
2903 | mpt2sas_port->remote_identify.sas_address); | |
2904 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
2905 | if (!sas_device) | |
2906 | continue; | |
2907 | _scsih_block_io_device(ioc, sas_device->handle); | |
2908 | } | |
2909 | } | |
2910 | ||
2911 | list_for_each_entry(mpt2sas_port, | |
2912 | &sas_expander->sas_port_list, port_list) { | |
2913 | ||
2914 | if (mpt2sas_port->remote_identify.device_type == | |
7f6f794d | 2915 | SAS_EDGE_EXPANDER_DEVICE || |
635374e7 | 2916 | mpt2sas_port->remote_identify.device_type == |
7f6f794d | 2917 | SAS_FANOUT_EXPANDER_DEVICE) { |
635374e7 EM |
2918 | |
2919 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
2920 | expander_sibling = | |
2921 | mpt2sas_scsih_expander_find_by_sas_address( | |
2922 | ioc, mpt2sas_port->remote_identify.sas_address); | |
2923 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
2924 | _scsih_block_io_to_children_attached_to_ex(ioc, | |
2925 | expander_sibling); | |
2926 | } | |
2927 | } | |
2928 | } | |
2929 | ||
2930 | /** | |
2931 | * _scsih_block_io_to_children_attached_directly | |
2932 | * @ioc: per adapter object | |
2933 | * @event_data: topology change event data | |
2934 | * | |
2935 | * This routine set sdev state to SDEV_BLOCK for all devices | |
2936 | * direct attached during device pull. | |
2937 | */ | |
2938 | static void | |
2939 | _scsih_block_io_to_children_attached_directly(struct MPT2SAS_ADAPTER *ioc, | |
2940 | Mpi2EventDataSasTopologyChangeList_t *event_data) | |
2941 | { | |
2942 | int i; | |
2943 | u16 handle; | |
2944 | u16 reason_code; | |
2945 | u8 phy_number; | |
2946 | ||
2947 | for (i = 0; i < event_data->NumEntries; i++) { | |
2948 | handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); | |
2949 | if (!handle) | |
2950 | continue; | |
2951 | phy_number = event_data->StartPhyNum + i; | |
2952 | reason_code = event_data->PHY[i].PhyStatus & | |
2953 | MPI2_EVENT_SAS_TOPO_RC_MASK; | |
2954 | if (reason_code == MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING) | |
2955 | _scsih_block_io_device(ioc, handle); | |
2956 | } | |
2957 | } | |
2958 | ||
77e63ed4 KD |
2959 | /** |
2960 | * _scsih_tm_tr_send - send task management request | |
2961 | * @ioc: per adapter object | |
2962 | * @handle: device handle | |
2963 | * Context: interrupt time. | |
2964 | * | |
25985edc | 2965 | * This code is to initiate the device removal handshake protocol |
77e63ed4 KD |
2966 | * with controller firmware. This function will issue target reset |
2967 | * using high priority request queue. It will send a sas iounit | |
25985edc | 2968 | * control request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion. |
77e63ed4 KD |
2969 | * |
2970 | * This is designed to send muliple task management request at the same | |
2971 | * time to the fifo. If the fifo is full, we will append the request, | |
2972 | * and process it in a future completion. | |
2973 | */ | |
2974 | static void | |
2975 | _scsih_tm_tr_send(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
2976 | { | |
2977 | Mpi2SCSITaskManagementRequest_t *mpi_request; | |
77e63ed4 KD |
2978 | u16 smid; |
2979 | struct _sas_device *sas_device; | |
f3eedd69 | 2980 | struct MPT2SAS_TARGET *sas_target_priv_data; |
77e63ed4 KD |
2981 | unsigned long flags; |
2982 | struct _tr_list *delayed_tr; | |
2983 | ||
3cb5469a EM |
2984 | if (ioc->shost_recovery || ioc->remove_host || |
2985 | ioc->pci_error_recovery) { | |
1278b11f KD |
2986 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in " |
2987 | "progress!\n", __func__, ioc->name)); | |
77e63ed4 KD |
2988 | return; |
2989 | } | |
2990 | ||
f3eedd69 KD |
2991 | /* if PD, then return */ |
2992 | if (test_bit(handle, ioc->pd_handles)) | |
2993 | return; | |
2994 | ||
77e63ed4 KD |
2995 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
2996 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
f3eedd69 KD |
2997 | if (sas_device && sas_device->starget && |
2998 | sas_device->starget->hostdata) { | |
2999 | sas_target_priv_data = sas_device->starget->hostdata; | |
3000 | sas_target_priv_data->deleted = 1; | |
3001 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT | |
3002 | "setting delete flag: handle(0x%04x), " | |
3003 | "sas_addr(0x%016llx)\n", ioc->name, handle, | |
3004 | (unsigned long long) sas_device->sas_address)); | |
1278b11f KD |
3005 | } |
3006 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
77e63ed4 KD |
3007 | |
3008 | smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_cb_idx); | |
3009 | if (!smid) { | |
3010 | delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC); | |
3011 | if (!delayed_tr) | |
3012 | return; | |
3013 | INIT_LIST_HEAD(&delayed_tr->list); | |
3014 | delayed_tr->handle = handle; | |
1278b11f | 3015 | list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list); |
a28eb222 | 3016 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT |
1278b11f KD |
3017 | "DELAYED:tr:handle(0x%04x), (open)\n", |
3018 | ioc->name, handle)); | |
3019 | return; | |
77e63ed4 KD |
3020 | } |
3021 | ||
1278b11f KD |
3022 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "tr_send:handle(0x%04x), " |
3023 | "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid, | |
3024 | ioc->tm_tr_cb_idx)); | |
77e63ed4 KD |
3025 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); |
3026 | memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t)); | |
3027 | mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; | |
3028 | mpi_request->DevHandle = cpu_to_le16(handle); | |
3029 | mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; | |
77e63ed4 KD |
3030 | mpt2sas_base_put_smid_hi_priority(ioc, smid); |
3031 | } | |
3032 | ||
3033 | ||
3034 | ||
3035 | /** | |
3036 | * _scsih_sas_control_complete - completion routine | |
3037 | * @ioc: per adapter object | |
3038 | * @smid: system request message index | |
3039 | * @msix_index: MSIX table index supplied by the OS | |
3040 | * @reply: reply message frame(lower 32bit addr) | |
3041 | * Context: interrupt time. | |
3042 | * | |
25985edc | 3043 | * This is the sas iounit control completion routine. |
77e63ed4 | 3044 | * This code is part of the code to initiate the device removal |
25985edc | 3045 | * handshake protocol with controller firmware. |
77e63ed4 KD |
3046 | * |
3047 | * Return 1 meaning mf should be freed from _base_interrupt | |
3048 | * 0 means the mf is freed from this function. | |
3049 | */ | |
3050 | static u8 | |
3051 | _scsih_sas_control_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, | |
3052 | u8 msix_index, u32 reply) | |
3053 | { | |
363fa50f | 3054 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
77e63ed4 KD |
3055 | Mpi2SasIoUnitControlReply_t *mpi_reply = |
3056 | mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
363fa50f | 3057 | #endif |
1278b11f KD |
3058 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT |
3059 | "sc_complete:handle(0x%04x), (open) " | |
3060 | "smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n", | |
3061 | ioc->name, le16_to_cpu(mpi_reply->DevHandle), smid, | |
3062 | le16_to_cpu(mpi_reply->IOCStatus), | |
3063 | le32_to_cpu(mpi_reply->IOCLogInfo))); | |
77e63ed4 KD |
3064 | return 1; |
3065 | } | |
3066 | ||
f3eedd69 KD |
3067 | /** |
3068 | * _scsih_tm_tr_volume_send - send target reset request for volumes | |
3069 | * @ioc: per adapter object | |
3070 | * @handle: device handle | |
3071 | * Context: interrupt time. | |
3072 | * | |
3073 | * This is designed to send muliple task management request at the same | |
3074 | * time to the fifo. If the fifo is full, we will append the request, | |
3075 | * and process it in a future completion. | |
3076 | */ | |
3077 | static void | |
3078 | _scsih_tm_tr_volume_send(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
3079 | { | |
3080 | Mpi2SCSITaskManagementRequest_t *mpi_request; | |
3081 | u16 smid; | |
3082 | struct _tr_list *delayed_tr; | |
3083 | ||
3cb5469a EM |
3084 | if (ioc->shost_recovery || ioc->remove_host || |
3085 | ioc->pci_error_recovery) { | |
f3eedd69 KD |
3086 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in " |
3087 | "progress!\n", __func__, ioc->name)); | |
3088 | return; | |
3089 | } | |
3090 | ||
3091 | smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_volume_cb_idx); | |
3092 | if (!smid) { | |
3093 | delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC); | |
3094 | if (!delayed_tr) | |
3095 | return; | |
3096 | INIT_LIST_HEAD(&delayed_tr->list); | |
3097 | delayed_tr->handle = handle; | |
3098 | list_add_tail(&delayed_tr->list, &ioc->delayed_tr_volume_list); | |
3099 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT | |
3100 | "DELAYED:tr:handle(0x%04x), (open)\n", | |
3101 | ioc->name, handle)); | |
3102 | return; | |
3103 | } | |
3104 | ||
3105 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "tr_send:handle(0x%04x), " | |
3106 | "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid, | |
3107 | ioc->tm_tr_volume_cb_idx)); | |
3108 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
3109 | memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t)); | |
3110 | mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; | |
3111 | mpi_request->DevHandle = cpu_to_le16(handle); | |
3112 | mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; | |
3113 | mpt2sas_base_put_smid_hi_priority(ioc, smid); | |
3114 | } | |
3115 | ||
3116 | /** | |
3117 | * _scsih_tm_volume_tr_complete - target reset completion | |
3118 | * @ioc: per adapter object | |
3119 | * @smid: system request message index | |
3120 | * @msix_index: MSIX table index supplied by the OS | |
3121 | * @reply: reply message frame(lower 32bit addr) | |
3122 | * Context: interrupt time. | |
3123 | * | |
3124 | * Return 1 meaning mf should be freed from _base_interrupt | |
3125 | * 0 means the mf is freed from this function. | |
3126 | */ | |
3127 | static u8 | |
3128 | _scsih_tm_volume_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, | |
3129 | u8 msix_index, u32 reply) | |
3130 | { | |
3131 | u16 handle; | |
3132 | Mpi2SCSITaskManagementRequest_t *mpi_request_tm; | |
3133 | Mpi2SCSITaskManagementReply_t *mpi_reply = | |
3134 | mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
3135 | ||
3cb5469a EM |
3136 | if (ioc->shost_recovery || ioc->remove_host || |
3137 | ioc->pci_error_recovery) { | |
f3eedd69 KD |
3138 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in " |
3139 | "progress!\n", __func__, ioc->name)); | |
3140 | return 1; | |
3141 | } | |
3142 | ||
3143 | mpi_request_tm = mpt2sas_base_get_msg_frame(ioc, smid); | |
3144 | handle = le16_to_cpu(mpi_request_tm->DevHandle); | |
3145 | if (handle != le16_to_cpu(mpi_reply->DevHandle)) { | |
3146 | dewtprintk(ioc, printk("spurious interrupt: " | |
3147 | "handle(0x%04x:0x%04x), smid(%d)!!!\n", handle, | |
3148 | le16_to_cpu(mpi_reply->DevHandle), smid)); | |
3149 | return 0; | |
3150 | } | |
3151 | ||
3152 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT | |
3153 | "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), " | |
3154 | "loginfo(0x%08x), completed(%d)\n", ioc->name, | |
3155 | handle, smid, le16_to_cpu(mpi_reply->IOCStatus), | |
3156 | le32_to_cpu(mpi_reply->IOCLogInfo), | |
3157 | le32_to_cpu(mpi_reply->TerminationCount))); | |
3158 | ||
3159 | return _scsih_check_for_pending_tm(ioc, smid); | |
3160 | } | |
3161 | ||
77e63ed4 KD |
3162 | /** |
3163 | * _scsih_tm_tr_complete - | |
3164 | * @ioc: per adapter object | |
3165 | * @smid: system request message index | |
3166 | * @msix_index: MSIX table index supplied by the OS | |
3167 | * @reply: reply message frame(lower 32bit addr) | |
3168 | * Context: interrupt time. | |
3169 | * | |
3170 | * This is the target reset completion routine. | |
3171 | * This code is part of the code to initiate the device removal | |
25985edc LDM |
3172 | * handshake protocol with controller firmware. |
3173 | * It will send a sas iounit control request (MPI2_SAS_OP_REMOVE_DEVICE) | |
77e63ed4 KD |
3174 | * |
3175 | * Return 1 meaning mf should be freed from _base_interrupt | |
3176 | * 0 means the mf is freed from this function. | |
3177 | */ | |
3178 | static u8 | |
3179 | _scsih_tm_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, | |
3180 | u32 reply) | |
3181 | { | |
77e63ed4 | 3182 | u16 handle; |
1278b11f | 3183 | Mpi2SCSITaskManagementRequest_t *mpi_request_tm; |
77e63ed4 KD |
3184 | Mpi2SCSITaskManagementReply_t *mpi_reply = |
3185 | mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
3186 | Mpi2SasIoUnitControlRequest_t *mpi_request; | |
3187 | u16 smid_sas_ctrl; | |
77e63ed4 | 3188 | |
3cb5469a EM |
3189 | if (ioc->shost_recovery || ioc->remove_host || |
3190 | ioc->pci_error_recovery) { | |
1278b11f KD |
3191 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in " |
3192 | "progress!\n", __func__, ioc->name)); | |
3193 | return 1; | |
77e63ed4 KD |
3194 | } |
3195 | ||
1278b11f KD |
3196 | mpi_request_tm = mpt2sas_base_get_msg_frame(ioc, smid); |
3197 | handle = le16_to_cpu(mpi_request_tm->DevHandle); | |
3198 | if (handle != le16_to_cpu(mpi_reply->DevHandle)) { | |
3199 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "spurious interrupt: " | |
3200 | "handle(0x%04x:0x%04x), smid(%d)!!!\n", ioc->name, handle, | |
3201 | le16_to_cpu(mpi_reply->DevHandle), smid)); | |
3202 | return 0; | |
77e63ed4 KD |
3203 | } |
3204 | ||
1278b11f KD |
3205 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT |
3206 | "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), " | |
3207 | "loginfo(0x%08x), completed(%d)\n", ioc->name, | |
3208 | handle, smid, le16_to_cpu(mpi_reply->IOCStatus), | |
3209 | le32_to_cpu(mpi_reply->IOCLogInfo), | |
3210 | le32_to_cpu(mpi_reply->TerminationCount))); | |
3211 | ||
77e63ed4 KD |
3212 | smid_sas_ctrl = mpt2sas_base_get_smid(ioc, ioc->tm_sas_control_cb_idx); |
3213 | if (!smid_sas_ctrl) { | |
3214 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
3215 | ioc->name, __func__); | |
1278b11f | 3216 | return 1; |
77e63ed4 KD |
3217 | } |
3218 | ||
1278b11f KD |
3219 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "sc_send:handle(0x%04x), " |
3220 | "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid_sas_ctrl, | |
3221 | ioc->tm_sas_control_cb_idx)); | |
77e63ed4 KD |
3222 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid_sas_ctrl); |
3223 | memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t)); | |
3224 | mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL; | |
3225 | mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE; | |
1278b11f | 3226 | mpi_request->DevHandle = mpi_request_tm->DevHandle; |
77e63ed4 | 3227 | mpt2sas_base_put_smid_default(ioc, smid_sas_ctrl); |
1278b11f | 3228 | |
f3eedd69 KD |
3229 | return _scsih_check_for_pending_tm(ioc, smid); |
3230 | } | |
3231 | ||
3232 | /** | |
3233 | * _scsih_check_for_pending_tm - check for pending task management | |
3234 | * @ioc: per adapter object | |
3235 | * @smid: system request message index | |
3236 | * | |
3237 | * This will check delayed target reset list, and feed the | |
3238 | * next reqeust. | |
3239 | * | |
3240 | * Return 1 meaning mf should be freed from _base_interrupt | |
3241 | * 0 means the mf is freed from this function. | |
3242 | */ | |
3243 | static u8 | |
3244 | _scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
3245 | { | |
3246 | struct _tr_list *delayed_tr; | |
3247 | ||
3248 | if (!list_empty(&ioc->delayed_tr_volume_list)) { | |
3249 | delayed_tr = list_entry(ioc->delayed_tr_volume_list.next, | |
3250 | struct _tr_list, list); | |
3251 | mpt2sas_base_free_smid(ioc, smid); | |
3252 | _scsih_tm_tr_volume_send(ioc, delayed_tr->handle); | |
3253 | list_del(&delayed_tr->list); | |
3254 | kfree(delayed_tr); | |
3255 | return 0; | |
3256 | } | |
3257 | ||
1278b11f KD |
3258 | if (!list_empty(&ioc->delayed_tr_list)) { |
3259 | delayed_tr = list_entry(ioc->delayed_tr_list.next, | |
3260 | struct _tr_list, list); | |
3261 | mpt2sas_base_free_smid(ioc, smid); | |
3262 | _scsih_tm_tr_send(ioc, delayed_tr->handle); | |
3263 | list_del(&delayed_tr->list); | |
3264 | kfree(delayed_tr); | |
f3eedd69 | 3265 | return 0; |
1278b11f | 3266 | } |
f3eedd69 | 3267 | |
1278b11f | 3268 | return 1; |
77e63ed4 KD |
3269 | } |
3270 | ||
635374e7 EM |
3271 | /** |
3272 | * _scsih_check_topo_delete_events - sanity check on topo events | |
3273 | * @ioc: per adapter object | |
3274 | * @event_data: the event data payload | |
3275 | * | |
3276 | * This routine added to better handle cable breaker. | |
3277 | * | |
25985edc | 3278 | * This handles the case where driver receives multiple expander |
635374e7 EM |
3279 | * add and delete events in a single shot. When there is a delete event |
3280 | * the routine will void any pending add events waiting in the event queue. | |
3281 | * | |
3282 | * Return nothing. | |
3283 | */ | |
3284 | static void | |
3285 | _scsih_check_topo_delete_events(struct MPT2SAS_ADAPTER *ioc, | |
3286 | Mpi2EventDataSasTopologyChangeList_t *event_data) | |
3287 | { | |
3288 | struct fw_event_work *fw_event; | |
3289 | Mpi2EventDataSasTopologyChangeList_t *local_event_data; | |
3290 | u16 expander_handle; | |
3291 | struct _sas_node *sas_expander; | |
3292 | unsigned long flags; | |
77e63ed4 KD |
3293 | int i, reason_code; |
3294 | u16 handle; | |
3295 | ||
3296 | for (i = 0 ; i < event_data->NumEntries; i++) { | |
77e63ed4 KD |
3297 | handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); |
3298 | if (!handle) | |
3299 | continue; | |
3300 | reason_code = event_data->PHY[i].PhyStatus & | |
3301 | MPI2_EVENT_SAS_TOPO_RC_MASK; | |
3302 | if (reason_code == MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING) | |
3303 | _scsih_tm_tr_send(ioc, handle); | |
3304 | } | |
635374e7 EM |
3305 | |
3306 | expander_handle = le16_to_cpu(event_data->ExpanderDevHandle); | |
3307 | if (expander_handle < ioc->sas_hba.num_phys) { | |
3308 | _scsih_block_io_to_children_attached_directly(ioc, event_data); | |
3309 | return; | |
3310 | } | |
3311 | ||
3312 | if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING | |
3313 | || event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING) { | |
3314 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
3315 | sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc, | |
3316 | expander_handle); | |
3317 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
3318 | _scsih_block_io_to_children_attached_to_ex(ioc, sas_expander); | |
3319 | } else if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_RESPONDING) | |
3320 | _scsih_block_io_to_children_attached_directly(ioc, event_data); | |
3321 | ||
3322 | if (event_data->ExpStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING) | |
3323 | return; | |
3324 | ||
3325 | /* mark ignore flag for pending events */ | |
3326 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
3327 | list_for_each_entry(fw_event, &ioc->fw_event_list, list) { | |
3328 | if (fw_event->event != MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || | |
3329 | fw_event->ignore) | |
3330 | continue; | |
3331 | local_event_data = fw_event->event_data; | |
3332 | if (local_event_data->ExpStatus == | |
3333 | MPI2_EVENT_SAS_TOPO_ES_ADDED || | |
3334 | local_event_data->ExpStatus == | |
3335 | MPI2_EVENT_SAS_TOPO_ES_RESPONDING) { | |
3336 | if (le16_to_cpu(local_event_data->ExpanderDevHandle) == | |
3337 | expander_handle) { | |
eabb08ad | 3338 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT |
635374e7 EM |
3339 | "setting ignoring flag\n", ioc->name)); |
3340 | fw_event->ignore = 1; | |
3341 | } | |
3342 | } | |
3343 | } | |
3344 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
3345 | } | |
3346 | ||
f3eedd69 KD |
3347 | /** |
3348 | * _scsih_set_volume_delete_flag - setting volume delete flag | |
3349 | * @ioc: per adapter object | |
3350 | * @handle: device handle | |
3351 | * | |
3352 | * This | |
3353 | * Return nothing. | |
3354 | */ | |
3355 | static void | |
3356 | _scsih_set_volume_delete_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
3357 | { | |
3358 | struct _raid_device *raid_device; | |
3359 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
3360 | unsigned long flags; | |
3361 | ||
3362 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
3363 | raid_device = _scsih_raid_device_find_by_handle(ioc, handle); | |
3364 | if (raid_device && raid_device->starget && | |
3365 | raid_device->starget->hostdata) { | |
3366 | sas_target_priv_data = | |
3367 | raid_device->starget->hostdata; | |
3368 | sas_target_priv_data->deleted = 1; | |
3369 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT | |
3370 | "setting delete flag: handle(0x%04x), " | |
3371 | "wwid(0x%016llx)\n", ioc->name, handle, | |
3372 | (unsigned long long) raid_device->wwid)); | |
3373 | } | |
3374 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
3375 | } | |
3376 | ||
3377 | /** | |
3378 | * _scsih_set_volume_handle_for_tr - set handle for target reset to volume | |
3379 | * @handle: input handle | |
3380 | * @a: handle for volume a | |
3381 | * @b: handle for volume b | |
3382 | * | |
3383 | * IR firmware only supports two raid volumes. The purpose of this | |
3384 | * routine is to set the volume handle in either a or b. When the given | |
3385 | * input handle is non-zero, or when a and b have not been set before. | |
3386 | */ | |
3387 | static void | |
3388 | _scsih_set_volume_handle_for_tr(u16 handle, u16 *a, u16 *b) | |
3389 | { | |
3390 | if (!handle || handle == *a || handle == *b) | |
3391 | return; | |
3392 | if (!*a) | |
3393 | *a = handle; | |
3394 | else if (!*b) | |
3395 | *b = handle; | |
3396 | } | |
3397 | ||
3398 | /** | |
3399 | * _scsih_check_ir_config_unhide_events - check for UNHIDE events | |
3400 | * @ioc: per adapter object | |
3401 | * @event_data: the event data payload | |
3402 | * Context: interrupt time. | |
3403 | * | |
3404 | * This routine will send target reset to volume, followed by target | |
3405 | * resets to the PDs. This is called when a PD has been removed, or | |
3406 | * volume has been deleted or removed. When the target reset is sent | |
3407 | * to volume, the PD target resets need to be queued to start upon | |
3408 | * completion of the volume target reset. | |
3409 | * | |
3410 | * Return nothing. | |
3411 | */ | |
3412 | static void | |
3413 | _scsih_check_ir_config_unhide_events(struct MPT2SAS_ADAPTER *ioc, | |
3414 | Mpi2EventDataIrConfigChangeList_t *event_data) | |
3415 | { | |
3416 | Mpi2EventIrConfigElement_t *element; | |
3417 | int i; | |
3418 | u16 handle, volume_handle, a, b; | |
3419 | struct _tr_list *delayed_tr; | |
3420 | ||
3421 | a = 0; | |
3422 | b = 0; | |
3423 | ||
0bdccdb0 KD |
3424 | if (ioc->is_warpdrive) |
3425 | return; | |
3426 | ||
f3eedd69 KD |
3427 | /* Volume Resets for Deleted or Removed */ |
3428 | element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; | |
3429 | for (i = 0; i < event_data->NumElements; i++, element++) { | |
3430 | if (element->ReasonCode == | |
3431 | MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED || | |
3432 | element->ReasonCode == | |
3433 | MPI2_EVENT_IR_CHANGE_RC_REMOVED) { | |
3434 | volume_handle = le16_to_cpu(element->VolDevHandle); | |
3435 | _scsih_set_volume_delete_flag(ioc, volume_handle); | |
3436 | _scsih_set_volume_handle_for_tr(volume_handle, &a, &b); | |
3437 | } | |
3438 | } | |
3439 | ||
3440 | /* Volume Resets for UNHIDE events */ | |
3441 | element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; | |
3442 | for (i = 0; i < event_data->NumElements; i++, element++) { | |
3443 | if (le32_to_cpu(event_data->Flags) & | |
3444 | MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) | |
3445 | continue; | |
3446 | if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_UNHIDE) { | |
3447 | volume_handle = le16_to_cpu(element->VolDevHandle); | |
3448 | _scsih_set_volume_handle_for_tr(volume_handle, &a, &b); | |
3449 | } | |
3450 | } | |
3451 | ||
3452 | if (a) | |
3453 | _scsih_tm_tr_volume_send(ioc, a); | |
3454 | if (b) | |
3455 | _scsih_tm_tr_volume_send(ioc, b); | |
3456 | ||
3457 | /* PD target resets */ | |
3458 | element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; | |
3459 | for (i = 0; i < event_data->NumElements; i++, element++) { | |
3460 | if (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_UNHIDE) | |
3461 | continue; | |
3462 | handle = le16_to_cpu(element->PhysDiskDevHandle); | |
3463 | volume_handle = le16_to_cpu(element->VolDevHandle); | |
3464 | clear_bit(handle, ioc->pd_handles); | |
3465 | if (!volume_handle) | |
3466 | _scsih_tm_tr_send(ioc, handle); | |
3467 | else if (volume_handle == a || volume_handle == b) { | |
3468 | delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC); | |
3469 | BUG_ON(!delayed_tr); | |
3470 | INIT_LIST_HEAD(&delayed_tr->list); | |
3471 | delayed_tr->handle = handle; | |
3472 | list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list); | |
3473 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT | |
3474 | "DELAYED:tr:handle(0x%04x), (open)\n", ioc->name, | |
3475 | handle)); | |
3476 | } else | |
3477 | _scsih_tm_tr_send(ioc, handle); | |
3478 | } | |
3479 | } | |
3480 | ||
3481 | ||
3482 | /** | |
3483 | * _scsih_check_volume_delete_events - set delete flag for volumes | |
3484 | * @ioc: per adapter object | |
3485 | * @event_data: the event data payload | |
3486 | * Context: interrupt time. | |
3487 | * | |
3488 | * This will handle the case when the cable connected to entire volume is | |
3489 | * pulled. We will take care of setting the deleted flag so normal IO will | |
3490 | * not be sent. | |
3491 | * | |
3492 | * Return nothing. | |
3493 | */ | |
3494 | static void | |
3495 | _scsih_check_volume_delete_events(struct MPT2SAS_ADAPTER *ioc, | |
3496 | Mpi2EventDataIrVolume_t *event_data) | |
3497 | { | |
3498 | u32 state; | |
3499 | ||
3500 | if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED) | |
3501 | return; | |
3502 | state = le32_to_cpu(event_data->NewValue); | |
3503 | if (state == MPI2_RAID_VOL_STATE_MISSING || state == | |
3504 | MPI2_RAID_VOL_STATE_FAILED) | |
3505 | _scsih_set_volume_delete_flag(ioc, | |
3506 | le16_to_cpu(event_data->VolDevHandle)); | |
3507 | } | |
3508 | ||
635374e7 EM |
3509 | /** |
3510 | * _scsih_flush_running_cmds - completing outstanding commands. | |
3511 | * @ioc: per adapter object | |
3512 | * | |
3513 | * The flushing out of all pending scmd commands following host reset, | |
3514 | * where all IO is dropped to the floor. | |
3515 | * | |
3516 | * Return nothing. | |
3517 | */ | |
3518 | static void | |
3519 | _scsih_flush_running_cmds(struct MPT2SAS_ADAPTER *ioc) | |
3520 | { | |
3521 | struct scsi_cmnd *scmd; | |
3522 | u16 smid; | |
3523 | u16 count = 0; | |
3524 | ||
595bb0bd | 3525 | for (smid = 1; smid <= ioc->scsiio_depth; smid++) { |
ec07a053 | 3526 | scmd = _scsih_scsi_lookup_get_clear(ioc, smid); |
635374e7 EM |
3527 | if (!scmd) |
3528 | continue; | |
3529 | count++; | |
3530 | mpt2sas_base_free_smid(ioc, smid); | |
3531 | scsi_dma_unmap(scmd); | |
3cb5469a EM |
3532 | if (ioc->pci_error_recovery) |
3533 | scmd->result = DID_NO_CONNECT << 16; | |
3534 | else | |
3535 | scmd->result = DID_RESET << 16; | |
635374e7 EM |
3536 | scmd->scsi_done(scmd); |
3537 | } | |
3538 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "completing %d cmds\n", | |
3539 | ioc->name, count)); | |
3540 | } | |
3541 | ||
3c621b3e EM |
3542 | /** |
3543 | * _scsih_setup_eedp - setup MPI request for EEDP transfer | |
3544 | * @scmd: pointer to scsi command object | |
3545 | * @mpi_request: pointer to the SCSI_IO reqest message frame | |
3546 | * | |
3547 | * Supporting protection 1 and 3. | |
3548 | * | |
3549 | * Returns nothing | |
3550 | */ | |
3551 | static void | |
3552 | _scsih_setup_eedp(struct scsi_cmnd *scmd, Mpi2SCSIIORequest_t *mpi_request) | |
3553 | { | |
3554 | u16 eedp_flags; | |
3555 | unsigned char prot_op = scsi_get_prot_op(scmd); | |
3556 | unsigned char prot_type = scsi_get_prot_type(scmd); | |
3557 | ||
d334aa79 | 3558 | if (prot_type == SCSI_PROT_DIF_TYPE0 || prot_op == SCSI_PROT_NORMAL) |
3c621b3e EM |
3559 | return; |
3560 | ||
3561 | if (prot_op == SCSI_PROT_READ_STRIP) | |
3562 | eedp_flags = MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP; | |
3563 | else if (prot_op == SCSI_PROT_WRITE_INSERT) | |
3564 | eedp_flags = MPI2_SCSIIO_EEDPFLAGS_INSERT_OP; | |
3565 | else | |
3566 | return; | |
3567 | ||
3c621b3e EM |
3568 | switch (prot_type) { |
3569 | case SCSI_PROT_DIF_TYPE1: | |
756aca7e | 3570 | case SCSI_PROT_DIF_TYPE2: |
3c621b3e EM |
3571 | |
3572 | /* | |
3573 | * enable ref/guard checking | |
3574 | * auto increment ref tag | |
3575 | */ | |
463217bf | 3576 | eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG | |
3c621b3e EM |
3577 | MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG | |
3578 | MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD; | |
3579 | mpi_request->CDB.EEDP32.PrimaryReferenceTag = | |
3580 | cpu_to_be32(scsi_get_lba(scmd)); | |
d334aa79 EM |
3581 | break; |
3582 | ||
3c621b3e EM |
3583 | case SCSI_PROT_DIF_TYPE3: |
3584 | ||
3585 | /* | |
3586 | * enable guard checking | |
3587 | */ | |
463217bf | 3588 | eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD; |
3c621b3e EM |
3589 | break; |
3590 | } | |
463217bf KD |
3591 | mpi_request->EEDPBlockSize = cpu_to_le32(scmd->device->sector_size); |
3592 | mpi_request->EEDPFlags = cpu_to_le16(eedp_flags); | |
3c621b3e EM |
3593 | } |
3594 | ||
3595 | /** | |
3596 | * _scsih_eedp_error_handling - return sense code for EEDP errors | |
3597 | * @scmd: pointer to scsi command object | |
3598 | * @ioc_status: ioc status | |
3599 | * | |
3600 | * Returns nothing | |
3601 | */ | |
3602 | static void | |
3603 | _scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status) | |
3604 | { | |
3605 | u8 ascq; | |
3606 | u8 sk; | |
3607 | u8 host_byte; | |
3608 | ||
3609 | switch (ioc_status) { | |
3610 | case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: | |
3611 | ascq = 0x01; | |
3612 | break; | |
3613 | case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: | |
3614 | ascq = 0x02; | |
3615 | break; | |
3616 | case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: | |
3617 | ascq = 0x03; | |
3618 | break; | |
3619 | default: | |
3620 | ascq = 0x00; | |
3621 | break; | |
3622 | } | |
3623 | ||
3624 | if (scmd->sc_data_direction == DMA_TO_DEVICE) { | |
3625 | sk = ILLEGAL_REQUEST; | |
3626 | host_byte = DID_ABORT; | |
3627 | } else { | |
3628 | sk = ABORTED_COMMAND; | |
3629 | host_byte = DID_OK; | |
3630 | } | |
3631 | ||
3632 | scsi_build_sense_buffer(0, scmd->sense_buffer, sk, 0x10, ascq); | |
3633 | scmd->result = DRIVER_SENSE << 24 | (host_byte << 16) | | |
3634 | SAM_STAT_CHECK_CONDITION; | |
3635 | } | |
3636 | ||
0bdccdb0 KD |
3637 | /** |
3638 | * _scsih_scsi_direct_io_get - returns direct io flag | |
3639 | * @ioc: per adapter object | |
3640 | * @smid: system request message index | |
3641 | * | |
3642 | * Returns the smid stored scmd pointer. | |
3643 | */ | |
3644 | static inline u8 | |
3645 | _scsih_scsi_direct_io_get(struct MPT2SAS_ADAPTER *ioc, u16 smid) | |
3646 | { | |
3647 | return ioc->scsi_lookup[smid - 1].direct_io; | |
3648 | } | |
3649 | ||
3650 | /** | |
3651 | * _scsih_scsi_direct_io_set - sets direct io flag | |
3652 | * @ioc: per adapter object | |
3653 | * @smid: system request message index | |
3654 | * @direct_io: Zero or non-zero value to set in the direct_io flag | |
3655 | * | |
3656 | * Returns Nothing. | |
3657 | */ | |
3658 | static inline void | |
3659 | _scsih_scsi_direct_io_set(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 direct_io) | |
3660 | { | |
3661 | ioc->scsi_lookup[smid - 1].direct_io = direct_io; | |
3662 | } | |
3663 | ||
3664 | ||
3665 | /** | |
3666 | * _scsih_setup_direct_io - setup MPI request for WARPDRIVE Direct I/O | |
3667 | * @ioc: per adapter object | |
3668 | * @scmd: pointer to scsi command object | |
3669 | * @raid_device: pointer to raid device data structure | |
3670 | * @mpi_request: pointer to the SCSI_IO reqest message frame | |
3671 | * @smid: system request message index | |
3672 | * | |
3673 | * Returns nothing | |
3674 | */ | |
3675 | static void | |
3676 | _scsih_setup_direct_io(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, | |
3677 | struct _raid_device *raid_device, Mpi2SCSIIORequest_t *mpi_request, | |
3678 | u16 smid) | |
3679 | { | |
3680 | u32 v_lba, p_lba, stripe_off, stripe_unit, column, io_size; | |
3681 | u32 stripe_sz, stripe_exp; | |
3682 | u8 num_pds, *cdb_ptr, *tmp_ptr, *lba_ptr1, *lba_ptr2; | |
3683 | u8 cdb0 = scmd->cmnd[0]; | |
3684 | ||
3685 | /* | |
3686 | * Try Direct I/O to RAID memeber disks | |
3687 | */ | |
3688 | if (cdb0 == READ_16 || cdb0 == READ_10 || | |
3689 | cdb0 == WRITE_16 || cdb0 == WRITE_10) { | |
3690 | cdb_ptr = mpi_request->CDB.CDB32; | |
3691 | ||
3692 | if ((cdb0 < READ_16) || !(cdb_ptr[2] | cdb_ptr[3] | cdb_ptr[4] | |
3693 | | cdb_ptr[5])) { | |
3694 | io_size = scsi_bufflen(scmd) >> 9; | |
3695 | /* get virtual lba */ | |
3696 | lba_ptr1 = lba_ptr2 = (cdb0 < READ_16) ? &cdb_ptr[2] : | |
3697 | &cdb_ptr[6]; | |
3698 | tmp_ptr = (u8 *)&v_lba + 3; | |
3699 | *tmp_ptr-- = *lba_ptr1++; | |
3700 | *tmp_ptr-- = *lba_ptr1++; | |
3701 | *tmp_ptr-- = *lba_ptr1++; | |
3702 | *tmp_ptr = *lba_ptr1; | |
3703 | ||
3704 | if (((u64)v_lba + (u64)io_size - 1) <= | |
3705 | (u32)raid_device->max_lba) { | |
3706 | stripe_sz = raid_device->stripe_sz; | |
3707 | stripe_exp = raid_device->stripe_exponent; | |
3708 | stripe_off = v_lba & (stripe_sz - 1); | |
3709 | ||
3710 | /* Check whether IO falls within a stripe */ | |
3711 | if ((stripe_off + io_size) <= stripe_sz) { | |
3712 | num_pds = raid_device->num_pds; | |
3713 | p_lba = v_lba >> stripe_exp; | |
3714 | stripe_unit = p_lba / num_pds; | |
3715 | column = p_lba % num_pds; | |
3716 | p_lba = (stripe_unit << stripe_exp) + | |
3717 | stripe_off; | |
3718 | mpi_request->DevHandle = | |
3719 | cpu_to_le16(raid_device-> | |
3720 | pd_handle[column]); | |
3721 | tmp_ptr = (u8 *)&p_lba + 3; | |
3722 | *lba_ptr2++ = *tmp_ptr--; | |
3723 | *lba_ptr2++ = *tmp_ptr--; | |
3724 | *lba_ptr2++ = *tmp_ptr--; | |
3725 | *lba_ptr2 = *tmp_ptr; | |
3726 | /* | |
3727 | * WD: To indicate this I/O is directI/O | |
3728 | */ | |
3729 | _scsih_scsi_direct_io_set(ioc, smid, 1); | |
3730 | } | |
3731 | } | |
3732 | } | |
3733 | } | |
3734 | } | |
3735 | ||
635374e7 | 3736 | /** |
d5d135b3 | 3737 | * _scsih_qcmd - main scsi request entry point |
635374e7 EM |
3738 | * @scmd: pointer to scsi command object |
3739 | * @done: function pointer to be invoked on completion | |
3740 | * | |
3741 | * The callback index is set inside `ioc->scsi_io_cb_idx`. | |
3742 | * | |
3743 | * Returns 0 on success. If there's a failure, return either: | |
3744 | * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or | |
3745 | * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full | |
3746 | */ | |
3747 | static int | |
f281233d | 3748 | _scsih_qcmd_lck(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *)) |
635374e7 EM |
3749 | { |
3750 | struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); | |
3751 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
3752 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
0bdccdb0 | 3753 | struct _raid_device *raid_device; |
635374e7 EM |
3754 | Mpi2SCSIIORequest_t *mpi_request; |
3755 | u32 mpi_control; | |
3756 | u16 smid; | |
635374e7 EM |
3757 | |
3758 | scmd->scsi_done = done; | |
3759 | sas_device_priv_data = scmd->device->hostdata; | |
130b958a | 3760 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { |
635374e7 EM |
3761 | scmd->result = DID_NO_CONNECT << 16; |
3762 | scmd->scsi_done(scmd); | |
3763 | return 0; | |
3764 | } | |
3765 | ||
3cb5469a EM |
3766 | if (ioc->pci_error_recovery) { |
3767 | scmd->result = DID_NO_CONNECT << 16; | |
3768 | scmd->scsi_done(scmd); | |
3769 | return 0; | |
3770 | } | |
3771 | ||
635374e7 | 3772 | sas_target_priv_data = sas_device_priv_data->sas_target; |
130b958a KD |
3773 | /* invalid device handle */ |
3774 | if (sas_target_priv_data->handle == MPT2SAS_INVALID_DEVICE_HANDLE) { | |
635374e7 EM |
3775 | scmd->result = DID_NO_CONNECT << 16; |
3776 | scmd->scsi_done(scmd); | |
3777 | return 0; | |
3778 | } | |
3779 | ||
130b958a KD |
3780 | /* host recovery or link resets sent via IOCTLs */ |
3781 | if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress) | |
635374e7 | 3782 | return SCSI_MLQUEUE_HOST_BUSY; |
65155b37 | 3783 | /* device busy with task management */ |
130b958a KD |
3784 | else if (sas_device_priv_data->block || sas_target_priv_data->tm_busy) |
3785 | return SCSI_MLQUEUE_DEVICE_BUSY; | |
3786 | /* device has been deleted */ | |
3787 | else if (sas_target_priv_data->deleted) { | |
3788 | scmd->result = DID_NO_CONNECT << 16; | |
3789 | scmd->scsi_done(scmd); | |
3790 | return 0; | |
3791 | } | |
635374e7 EM |
3792 | |
3793 | if (scmd->sc_data_direction == DMA_FROM_DEVICE) | |
3794 | mpi_control = MPI2_SCSIIO_CONTROL_READ; | |
3795 | else if (scmd->sc_data_direction == DMA_TO_DEVICE) | |
3796 | mpi_control = MPI2_SCSIIO_CONTROL_WRITE; | |
3797 | else | |
3798 | mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER; | |
3799 | ||
3800 | /* set tags */ | |
3801 | if (!(sas_device_priv_data->flags & MPT_DEVICE_FLAGS_INIT)) { | |
3802 | if (scmd->device->tagged_supported) { | |
3803 | if (scmd->device->ordered_tags) | |
3804 | mpi_control |= MPI2_SCSIIO_CONTROL_ORDEREDQ; | |
3805 | else | |
3806 | mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ; | |
3807 | } else | |
3808 | /* MPI Revision I (UNIT = 0xA) - removed MPI2_SCSIIO_CONTROL_UNTAGGED */ | |
3809 | /* mpi_control |= MPI2_SCSIIO_CONTROL_UNTAGGED; | |
3810 | */ | |
3811 | mpi_control |= (0x500); | |
3812 | ||
3813 | } else | |
3814 | mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ; | |
0bdccdb0 KD |
3815 | /* Make sure Device is not raid volume. |
3816 | * We do not expose raid functionality to upper layer for warpdrive. | |
3817 | */ | |
3818 | if (!ioc->is_warpdrive && !_scsih_is_raid(&scmd->device->sdev_gendev) && | |
d334aa79 | 3819 | sas_is_tlr_enabled(scmd->device) && scmd->cmd_len != 32) |
635374e7 EM |
3820 | mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON; |
3821 | ||
595bb0bd | 3822 | smid = mpt2sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd); |
635374e7 EM |
3823 | if (!smid) { |
3824 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
3825 | ioc->name, __func__); | |
3826 | goto out; | |
3827 | } | |
3828 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
3829 | memset(mpi_request, 0, sizeof(Mpi2SCSIIORequest_t)); | |
3c621b3e | 3830 | _scsih_setup_eedp(scmd, mpi_request); |
d334aa79 EM |
3831 | if (scmd->cmd_len == 32) |
3832 | mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT; | |
635374e7 EM |
3833 | mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; |
3834 | if (sas_device_priv_data->sas_target->flags & | |
3835 | MPT_TARGET_FLAGS_RAID_COMPONENT) | |
3836 | mpi_request->Function = MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; | |
3837 | else | |
3838 | mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; | |
3839 | mpi_request->DevHandle = | |
3840 | cpu_to_le16(sas_device_priv_data->sas_target->handle); | |
3841 | mpi_request->DataLength = cpu_to_le32(scsi_bufflen(scmd)); | |
3842 | mpi_request->Control = cpu_to_le32(mpi_control); | |
3843 | mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len); | |
3844 | mpi_request->MsgFlags = MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR; | |
3845 | mpi_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE; | |
3846 | mpi_request->SenseBufferLowAddress = | |
ec9472c7 | 3847 | mpt2sas_base_get_sense_buffer_dma(ioc, smid); |
635374e7 EM |
3848 | mpi_request->SGLOffset0 = offsetof(Mpi2SCSIIORequest_t, SGL) / 4; |
3849 | mpi_request->SGLFlags = cpu_to_le16(MPI2_SCSIIO_SGLFLAGS_TYPE_MPI + | |
3850 | MPI2_SCSIIO_SGLFLAGS_SYSTEM_ADDR); | |
7b936b02 KD |
3851 | mpi_request->VF_ID = 0; /* TODO */ |
3852 | mpi_request->VP_ID = 0; | |
635374e7 EM |
3853 | int_to_scsilun(sas_device_priv_data->lun, (struct scsi_lun *) |
3854 | mpi_request->LUN); | |
3855 | memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len); | |
3856 | ||
3857 | if (!mpi_request->DataLength) { | |
3858 | mpt2sas_base_build_zero_len_sge(ioc, &mpi_request->SGL); | |
3859 | } else { | |
3860 | if (_scsih_build_scatter_gather(ioc, scmd, smid)) { | |
3861 | mpt2sas_base_free_smid(ioc, smid); | |
3862 | goto out; | |
3863 | } | |
3864 | } | |
3865 | ||
0bdccdb0 KD |
3866 | raid_device = sas_target_priv_data->raid_device; |
3867 | if (raid_device && raid_device->direct_io_enabled) | |
3868 | _scsih_setup_direct_io(ioc, scmd, raid_device, mpi_request, | |
3869 | smid); | |
3870 | ||
58287fd5 KD |
3871 | if (likely(mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST)) |
3872 | mpt2sas_base_put_smid_scsi_io(ioc, smid, | |
0bdccdb0 | 3873 | le16_to_cpu(mpi_request->DevHandle)); |
58287fd5 KD |
3874 | else |
3875 | mpt2sas_base_put_smid_default(ioc, smid); | |
635374e7 EM |
3876 | return 0; |
3877 | ||
3878 | out: | |
3879 | return SCSI_MLQUEUE_HOST_BUSY; | |
3880 | } | |
3881 | ||
f281233d JG |
3882 | static DEF_SCSI_QCMD(_scsih_qcmd) |
3883 | ||
635374e7 EM |
3884 | /** |
3885 | * _scsih_normalize_sense - normalize descriptor and fixed format sense data | |
3886 | * @sense_buffer: sense data returned by target | |
3887 | * @data: normalized skey/asc/ascq | |
3888 | * | |
3889 | * Return nothing. | |
3890 | */ | |
3891 | static void | |
3892 | _scsih_normalize_sense(char *sense_buffer, struct sense_info *data) | |
3893 | { | |
3894 | if ((sense_buffer[0] & 0x7F) >= 0x72) { | |
3895 | /* descriptor format */ | |
3896 | data->skey = sense_buffer[1] & 0x0F; | |
3897 | data->asc = sense_buffer[2]; | |
3898 | data->ascq = sense_buffer[3]; | |
3899 | } else { | |
3900 | /* fixed format */ | |
3901 | data->skey = sense_buffer[2] & 0x0F; | |
3902 | data->asc = sense_buffer[12]; | |
3903 | data->ascq = sense_buffer[13]; | |
3904 | } | |
3905 | } | |
3906 | ||
3907 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
3908 | /** | |
25985edc | 3909 | * _scsih_scsi_ioc_info - translated non-successful SCSI_IO request |
635374e7 EM |
3910 | * @ioc: per adapter object |
3911 | * @scmd: pointer to scsi command object | |
3912 | * @mpi_reply: reply mf payload returned from firmware | |
3913 | * | |
3914 | * scsi_status - SCSI Status code returned from target device | |
3915 | * scsi_state - state info associated with SCSI_IO determined by ioc | |
3916 | * ioc_status - ioc supplied status info | |
3917 | * | |
3918 | * Return nothing. | |
3919 | */ | |
3920 | static void | |
3921 | _scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, | |
3922 | Mpi2SCSIIOReply_t *mpi_reply, u16 smid) | |
3923 | { | |
3924 | u32 response_info; | |
3925 | u8 *response_bytes; | |
3926 | u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & | |
3927 | MPI2_IOCSTATUS_MASK; | |
3928 | u8 scsi_state = mpi_reply->SCSIState; | |
3929 | u8 scsi_status = mpi_reply->SCSIStatus; | |
3930 | char *desc_ioc_state = NULL; | |
3931 | char *desc_scsi_status = NULL; | |
3932 | char *desc_scsi_state = ioc->tmp_string; | |
be9e8cd7 | 3933 | u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo); |
7fbae67a KD |
3934 | struct _sas_device *sas_device = NULL; |
3935 | unsigned long flags; | |
8e864a81 KD |
3936 | struct scsi_target *starget = scmd->device->sdev_target; |
3937 | struct MPT2SAS_TARGET *priv_target = starget->hostdata; | |
0bdccdb0 | 3938 | char *device_str = NULL; |
8e864a81 KD |
3939 | |
3940 | if (!priv_target) | |
3941 | return; | |
be9e8cd7 | 3942 | |
0bdccdb0 KD |
3943 | if (ioc->hide_ir_msg) |
3944 | device_str = "WarpDrive"; | |
3945 | else | |
3946 | device_str = "volume"; | |
3947 | ||
be9e8cd7 KD |
3948 | if (log_info == 0x31170000) |
3949 | return; | |
635374e7 EM |
3950 | |
3951 | switch (ioc_status) { | |
3952 | case MPI2_IOCSTATUS_SUCCESS: | |
3953 | desc_ioc_state = "success"; | |
3954 | break; | |
3955 | case MPI2_IOCSTATUS_INVALID_FUNCTION: | |
3956 | desc_ioc_state = "invalid function"; | |
3957 | break; | |
3958 | case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: | |
3959 | desc_ioc_state = "scsi recovered error"; | |
3960 | break; | |
3961 | case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE: | |
3962 | desc_ioc_state = "scsi invalid dev handle"; | |
3963 | break; | |
3964 | case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: | |
3965 | desc_ioc_state = "scsi device not there"; | |
3966 | break; | |
3967 | case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: | |
3968 | desc_ioc_state = "scsi data overrun"; | |
3969 | break; | |
3970 | case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: | |
3971 | desc_ioc_state = "scsi data underrun"; | |
3972 | break; | |
3973 | case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: | |
3974 | desc_ioc_state = "scsi io data error"; | |
3975 | break; | |
3976 | case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: | |
3977 | desc_ioc_state = "scsi protocol error"; | |
3978 | break; | |
3979 | case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: | |
3980 | desc_ioc_state = "scsi task terminated"; | |
3981 | break; | |
3982 | case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: | |
3983 | desc_ioc_state = "scsi residual mismatch"; | |
3984 | break; | |
3985 | case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: | |
3986 | desc_ioc_state = "scsi task mgmt failed"; | |
3987 | break; | |
3988 | case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: | |
3989 | desc_ioc_state = "scsi ioc terminated"; | |
3990 | break; | |
3991 | case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: | |
3992 | desc_ioc_state = "scsi ext terminated"; | |
3993 | break; | |
3c621b3e EM |
3994 | case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: |
3995 | desc_ioc_state = "eedp guard error"; | |
3996 | break; | |
3997 | case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: | |
3998 | desc_ioc_state = "eedp ref tag error"; | |
3999 | break; | |
4000 | case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: | |
4001 | desc_ioc_state = "eedp app tag error"; | |
4002 | break; | |
635374e7 EM |
4003 | default: |
4004 | desc_ioc_state = "unknown"; | |
4005 | break; | |
4006 | } | |
4007 | ||
4008 | switch (scsi_status) { | |
4009 | case MPI2_SCSI_STATUS_GOOD: | |
4010 | desc_scsi_status = "good"; | |
4011 | break; | |
4012 | case MPI2_SCSI_STATUS_CHECK_CONDITION: | |
4013 | desc_scsi_status = "check condition"; | |
4014 | break; | |
4015 | case MPI2_SCSI_STATUS_CONDITION_MET: | |
4016 | desc_scsi_status = "condition met"; | |
4017 | break; | |
4018 | case MPI2_SCSI_STATUS_BUSY: | |
4019 | desc_scsi_status = "busy"; | |
4020 | break; | |
4021 | case MPI2_SCSI_STATUS_INTERMEDIATE: | |
4022 | desc_scsi_status = "intermediate"; | |
4023 | break; | |
4024 | case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET: | |
4025 | desc_scsi_status = "intermediate condmet"; | |
4026 | break; | |
4027 | case MPI2_SCSI_STATUS_RESERVATION_CONFLICT: | |
4028 | desc_scsi_status = "reservation conflict"; | |
4029 | break; | |
4030 | case MPI2_SCSI_STATUS_COMMAND_TERMINATED: | |
4031 | desc_scsi_status = "command terminated"; | |
4032 | break; | |
4033 | case MPI2_SCSI_STATUS_TASK_SET_FULL: | |
4034 | desc_scsi_status = "task set full"; | |
4035 | break; | |
4036 | case MPI2_SCSI_STATUS_ACA_ACTIVE: | |
4037 | desc_scsi_status = "aca active"; | |
4038 | break; | |
4039 | case MPI2_SCSI_STATUS_TASK_ABORTED: | |
4040 | desc_scsi_status = "task aborted"; | |
4041 | break; | |
4042 | default: | |
4043 | desc_scsi_status = "unknown"; | |
4044 | break; | |
4045 | } | |
4046 | ||
4047 | desc_scsi_state[0] = '\0'; | |
4048 | if (!scsi_state) | |
4049 | desc_scsi_state = " "; | |
4050 | if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) | |
4051 | strcat(desc_scsi_state, "response info "); | |
4052 | if (scsi_state & MPI2_SCSI_STATE_TERMINATED) | |
4053 | strcat(desc_scsi_state, "state terminated "); | |
4054 | if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS) | |
4055 | strcat(desc_scsi_state, "no status "); | |
4056 | if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED) | |
4057 | strcat(desc_scsi_state, "autosense failed "); | |
4058 | if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) | |
4059 | strcat(desc_scsi_state, "autosense valid "); | |
4060 | ||
4061 | scsi_print_command(scmd); | |
7fbae67a | 4062 | |
8e864a81 | 4063 | if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) { |
0bdccdb0 KD |
4064 | printk(MPT2SAS_WARN_FMT "\t%s wwid(0x%016llx)\n", ioc->name, |
4065 | device_str, (unsigned long long)priv_target->sas_address); | |
8e864a81 KD |
4066 | } else { |
4067 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
4068 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
4069 | priv_target->sas_address); | |
4070 | if (sas_device) { | |
4071 | printk(MPT2SAS_WARN_FMT "\tsas_address(0x%016llx), " | |
4072 | "phy(%d)\n", ioc->name, sas_device->sas_address, | |
4073 | sas_device->phy); | |
4074 | printk(MPT2SAS_WARN_FMT | |
4075 | "\tenclosure_logical_id(0x%016llx), slot(%d)\n", | |
4076 | ioc->name, sas_device->enclosure_logical_id, | |
4077 | sas_device->slot); | |
4078 | } | |
4079 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
7fbae67a | 4080 | } |
7fbae67a | 4081 | |
8e864a81 KD |
4082 | printk(MPT2SAS_WARN_FMT "\thandle(0x%04x), ioc_status(%s)(0x%04x), " |
4083 | "smid(%d)\n", ioc->name, le16_to_cpu(mpi_reply->DevHandle), | |
4084 | desc_ioc_state, ioc_status, smid); | |
635374e7 EM |
4085 | printk(MPT2SAS_WARN_FMT "\trequest_len(%d), underflow(%d), " |
4086 | "resid(%d)\n", ioc->name, scsi_bufflen(scmd), scmd->underflow, | |
4087 | scsi_get_resid(scmd)); | |
4088 | printk(MPT2SAS_WARN_FMT "\ttag(%d), transfer_count(%d), " | |
4089 | "sc->result(0x%08x)\n", ioc->name, le16_to_cpu(mpi_reply->TaskTag), | |
4090 | le32_to_cpu(mpi_reply->TransferCount), scmd->result); | |
4091 | printk(MPT2SAS_WARN_FMT "\tscsi_status(%s)(0x%02x), " | |
4092 | "scsi_state(%s)(0x%02x)\n", ioc->name, desc_scsi_status, | |
4093 | scsi_status, desc_scsi_state, scsi_state); | |
4094 | ||
4095 | if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) { | |
4096 | struct sense_info data; | |
4097 | _scsih_normalize_sense(scmd->sense_buffer, &data); | |
4098 | printk(MPT2SAS_WARN_FMT "\t[sense_key,asc,ascq]: " | |
e94f6747 KD |
4099 | "[0x%02x,0x%02x,0x%02x], count(%d)\n", ioc->name, data.skey, |
4100 | data.asc, data.ascq, le32_to_cpu(mpi_reply->SenseCount)); | |
635374e7 EM |
4101 | } |
4102 | ||
4103 | if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) { | |
4104 | response_info = le32_to_cpu(mpi_reply->ResponseInfo); | |
4105 | response_bytes = (u8 *)&response_info; | |
9982f594 | 4106 | _scsih_response_code(ioc, response_bytes[0]); |
635374e7 EM |
4107 | } |
4108 | } | |
4109 | #endif | |
4110 | ||
4111 | /** | |
3ace8e05 | 4112 | * _scsih_turn_on_fault_led - illuminate Fault LED |
635374e7 EM |
4113 | * @ioc: per adapter object |
4114 | * @handle: device handle | |
3ace8e05 | 4115 | * Context: process |
635374e7 EM |
4116 | * |
4117 | * Return nothing. | |
4118 | */ | |
4119 | static void | |
3ace8e05 | 4120 | _scsih_turn_on_fault_led(struct MPT2SAS_ADAPTER *ioc, u16 handle) |
635374e7 EM |
4121 | { |
4122 | Mpi2SepReply_t mpi_reply; | |
4123 | Mpi2SepRequest_t mpi_request; | |
3ace8e05 KD |
4124 | |
4125 | memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t)); | |
4126 | mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR; | |
4127 | mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS; | |
4128 | mpi_request.SlotStatus = | |
4129 | cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT); | |
4130 | mpi_request.DevHandle = cpu_to_le16(handle); | |
4131 | mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS; | |
4132 | if ((mpt2sas_base_scsi_enclosure_processor(ioc, &mpi_reply, | |
4133 | &mpi_request)) != 0) { | |
4134 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name, | |
4135 | __FILE__, __LINE__, __func__); | |
4136 | return; | |
4137 | } | |
4138 | ||
4139 | if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) { | |
4140 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "enclosure_processor: " | |
4141 | "ioc_status (0x%04x), loginfo(0x%08x)\n", ioc->name, | |
4142 | le16_to_cpu(mpi_reply.IOCStatus), | |
4143 | le32_to_cpu(mpi_reply.IOCLogInfo))); | |
4144 | return; | |
4145 | } | |
4146 | } | |
4147 | ||
4148 | /** | |
4149 | * _scsih_send_event_to_turn_on_fault_led - fire delayed event | |
4150 | * @ioc: per adapter object | |
4151 | * @handle: device handle | |
4152 | * Context: interrupt. | |
4153 | * | |
4154 | * Return nothing. | |
4155 | */ | |
4156 | static void | |
4157 | _scsih_send_event_to_turn_on_fault_led(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
4158 | { | |
4159 | struct fw_event_work *fw_event; | |
4160 | ||
4161 | fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC); | |
4162 | if (!fw_event) | |
4163 | return; | |
4164 | fw_event->event = MPT2SAS_TURN_ON_FAULT_LED; | |
4165 | fw_event->device_handle = handle; | |
4166 | fw_event->ioc = ioc; | |
4167 | _scsih_fw_event_add(ioc, fw_event); | |
4168 | } | |
4169 | ||
4170 | /** | |
4171 | * _scsih_smart_predicted_fault - process smart errors | |
4172 | * @ioc: per adapter object | |
4173 | * @handle: device handle | |
4174 | * Context: interrupt. | |
4175 | * | |
4176 | * Return nothing. | |
4177 | */ | |
4178 | static void | |
4179 | _scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
4180 | { | |
635374e7 EM |
4181 | struct scsi_target *starget; |
4182 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
4183 | Mpi2EventNotificationReply_t *event_reply; | |
4184 | Mpi2EventDataSasDeviceStatusChange_t *event_data; | |
4185 | struct _sas_device *sas_device; | |
4186 | ssize_t sz; | |
4187 | unsigned long flags; | |
4188 | ||
4189 | /* only handle non-raid devices */ | |
4190 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
4191 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
4192 | if (!sas_device) { | |
4193 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4194 | return; | |
4195 | } | |
4196 | starget = sas_device->starget; | |
4197 | sas_target_priv_data = starget->hostdata; | |
4198 | ||
4199 | if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) || | |
4200 | ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))) { | |
4201 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4202 | return; | |
4203 | } | |
4204 | starget_printk(KERN_WARNING, starget, "predicted fault\n"); | |
4205 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4206 | ||
3ace8e05 KD |
4207 | if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) |
4208 | _scsih_send_event_to_turn_on_fault_led(ioc, handle); | |
635374e7 EM |
4209 | |
4210 | /* insert into event log */ | |
4211 | sz = offsetof(Mpi2EventNotificationReply_t, EventData) + | |
4212 | sizeof(Mpi2EventDataSasDeviceStatusChange_t); | |
4213 | event_reply = kzalloc(sz, GFP_KERNEL); | |
4214 | if (!event_reply) { | |
4215 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4216 | ioc->name, __FILE__, __LINE__, __func__); | |
4217 | return; | |
4218 | } | |
4219 | ||
4220 | event_reply->Function = MPI2_FUNCTION_EVENT_NOTIFICATION; | |
4221 | event_reply->Event = | |
4222 | cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE); | |
4223 | event_reply->MsgLength = sz/4; | |
4224 | event_reply->EventDataLength = | |
4225 | cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t)/4); | |
4226 | event_data = (Mpi2EventDataSasDeviceStatusChange_t *) | |
4227 | event_reply->EventData; | |
4228 | event_data->ReasonCode = MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA; | |
4229 | event_data->ASC = 0x5D; | |
4230 | event_data->DevHandle = cpu_to_le16(handle); | |
4231 | event_data->SASAddress = cpu_to_le64(sas_target_priv_data->sas_address); | |
4232 | mpt2sas_ctl_add_to_event_log(ioc, event_reply); | |
4233 | kfree(event_reply); | |
4234 | } | |
4235 | ||
4236 | /** | |
d5d135b3 | 4237 | * _scsih_io_done - scsi request callback |
635374e7 EM |
4238 | * @ioc: per adapter object |
4239 | * @smid: system request message index | |
7b936b02 | 4240 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
4241 | * @reply: reply message frame(lower 32bit addr) |
4242 | * | |
77e63ed4 | 4243 | * Callback handler when using _scsih_qcmd. |
635374e7 | 4244 | * |
77e63ed4 KD |
4245 | * Return 1 meaning mf should be freed from _base_interrupt |
4246 | * 0 means the mf is freed from this function. | |
635374e7 | 4247 | */ |
77e63ed4 | 4248 | static u8 |
7b936b02 | 4249 | _scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) |
635374e7 EM |
4250 | { |
4251 | Mpi2SCSIIORequest_t *mpi_request; | |
4252 | Mpi2SCSIIOReply_t *mpi_reply; | |
4253 | struct scsi_cmnd *scmd; | |
4254 | u16 ioc_status; | |
4255 | u32 xfer_cnt; | |
4256 | u8 scsi_state; | |
4257 | u8 scsi_status; | |
4258 | u32 log_info; | |
4259 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
9982f594 | 4260 | u32 response_code = 0; |
635374e7 EM |
4261 | |
4262 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
ec07a053 | 4263 | scmd = _scsih_scsi_lookup_get_clear(ioc, smid); |
635374e7 | 4264 | if (scmd == NULL) |
77e63ed4 | 4265 | return 1; |
635374e7 EM |
4266 | |
4267 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
4268 | ||
4269 | if (mpi_reply == NULL) { | |
4270 | scmd->result = DID_OK << 16; | |
4271 | goto out; | |
4272 | } | |
4273 | ||
4274 | sas_device_priv_data = scmd->device->hostdata; | |
4275 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target || | |
4276 | sas_device_priv_data->sas_target->deleted) { | |
4277 | scmd->result = DID_NO_CONNECT << 16; | |
4278 | goto out; | |
4279 | } | |
0bdccdb0 KD |
4280 | /* |
4281 | * WARPDRIVE: If direct_io is set then it is directIO, | |
4282 | * the failed direct I/O should be redirected to volume | |
4283 | */ | |
4284 | if (_scsih_scsi_direct_io_get(ioc, smid)) { | |
4285 | _scsih_scsi_direct_io_set(ioc, smid, 0); | |
4286 | memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len); | |
4287 | mpi_request->DevHandle = | |
4288 | cpu_to_le16(sas_device_priv_data->sas_target->handle); | |
4289 | mpt2sas_base_put_smid_scsi_io(ioc, smid, | |
4290 | sas_device_priv_data->sas_target->handle); | |
4291 | return 0; | |
4292 | } | |
4293 | ||
635374e7 EM |
4294 | |
4295 | /* turning off TLR */ | |
9982f594 KD |
4296 | scsi_state = mpi_reply->SCSIState; |
4297 | if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) | |
4298 | response_code = | |
4299 | le32_to_cpu(mpi_reply->ResponseInfo) & 0xFF; | |
635374e7 EM |
4300 | if (!sas_device_priv_data->tlr_snoop_check) { |
4301 | sas_device_priv_data->tlr_snoop_check++; | |
0bdccdb0 KD |
4302 | /* Make sure Device is not raid volume. |
4303 | * We do not expose raid functionality to upper layer for warpdrive. | |
4304 | */ | |
4305 | if (!ioc->is_warpdrive && !_scsih_is_raid(&scmd->device->sdev_gendev) && | |
3ed21525 | 4306 | sas_is_tlr_enabled(scmd->device) && |
84f0b04a KD |
4307 | response_code == MPI2_SCSITASKMGMT_RSP_INVALID_FRAME) { |
4308 | sas_disable_tlr(scmd->device); | |
4309 | sdev_printk(KERN_INFO, scmd->device, "TLR disabled\n"); | |
4310 | } | |
635374e7 EM |
4311 | } |
4312 | ||
4313 | xfer_cnt = le32_to_cpu(mpi_reply->TransferCount); | |
4314 | scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt); | |
4315 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus); | |
4316 | if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) | |
4317 | log_info = le32_to_cpu(mpi_reply->IOCLogInfo); | |
4318 | else | |
4319 | log_info = 0; | |
4320 | ioc_status &= MPI2_IOCSTATUS_MASK; | |
635374e7 EM |
4321 | scsi_status = mpi_reply->SCSIStatus; |
4322 | ||
4323 | if (ioc_status == MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 && | |
4324 | (scsi_status == MPI2_SCSI_STATUS_BUSY || | |
4325 | scsi_status == MPI2_SCSI_STATUS_RESERVATION_CONFLICT || | |
4326 | scsi_status == MPI2_SCSI_STATUS_TASK_SET_FULL)) { | |
4327 | ioc_status = MPI2_IOCSTATUS_SUCCESS; | |
4328 | } | |
4329 | ||
4330 | if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) { | |
4331 | struct sense_info data; | |
4332 | const void *sense_data = mpt2sas_base_get_sense_buffer(ioc, | |
4333 | smid); | |
0d04df9b | 4334 | u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE, |
635374e7 | 4335 | le32_to_cpu(mpi_reply->SenseCount)); |
0d04df9b | 4336 | memcpy(scmd->sense_buffer, sense_data, sz); |
635374e7 EM |
4337 | _scsih_normalize_sense(scmd->sense_buffer, &data); |
4338 | /* failure prediction threshold exceeded */ | |
4339 | if (data.asc == 0x5D) | |
4340 | _scsih_smart_predicted_fault(ioc, | |
4341 | le16_to_cpu(mpi_reply->DevHandle)); | |
4342 | } | |
4343 | ||
4344 | switch (ioc_status) { | |
4345 | case MPI2_IOCSTATUS_BUSY: | |
4346 | case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES: | |
4347 | scmd->result = SAM_STAT_BUSY; | |
4348 | break; | |
4349 | ||
4350 | case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: | |
4351 | scmd->result = DID_NO_CONNECT << 16; | |
4352 | break; | |
4353 | ||
4354 | case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: | |
4355 | if (sas_device_priv_data->block) { | |
e4e7c7ed KD |
4356 | scmd->result = DID_TRANSPORT_DISRUPTED << 16; |
4357 | goto out; | |
635374e7 | 4358 | } |
635374e7 EM |
4359 | case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: |
4360 | case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: | |
4361 | scmd->result = DID_RESET << 16; | |
4362 | break; | |
4363 | ||
4364 | case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: | |
4365 | if ((xfer_cnt == 0) || (scmd->underflow > xfer_cnt)) | |
4366 | scmd->result = DID_SOFT_ERROR << 16; | |
4367 | else | |
4368 | scmd->result = (DID_OK << 16) | scsi_status; | |
4369 | break; | |
4370 | ||
4371 | case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: | |
4372 | scmd->result = (DID_OK << 16) | scsi_status; | |
4373 | ||
4374 | if ((scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)) | |
4375 | break; | |
4376 | ||
4377 | if (xfer_cnt < scmd->underflow) { | |
4378 | if (scsi_status == SAM_STAT_BUSY) | |
4379 | scmd->result = SAM_STAT_BUSY; | |
4380 | else | |
4381 | scmd->result = DID_SOFT_ERROR << 16; | |
4382 | } else if (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED | | |
4383 | MPI2_SCSI_STATE_NO_SCSI_STATUS)) | |
4384 | scmd->result = DID_SOFT_ERROR << 16; | |
4385 | else if (scsi_state & MPI2_SCSI_STATE_TERMINATED) | |
4386 | scmd->result = DID_RESET << 16; | |
4387 | else if (!xfer_cnt && scmd->cmnd[0] == REPORT_LUNS) { | |
4388 | mpi_reply->SCSIState = MPI2_SCSI_STATE_AUTOSENSE_VALID; | |
4389 | mpi_reply->SCSIStatus = SAM_STAT_CHECK_CONDITION; | |
4390 | scmd->result = (DRIVER_SENSE << 24) | | |
4391 | SAM_STAT_CHECK_CONDITION; | |
4392 | scmd->sense_buffer[0] = 0x70; | |
4393 | scmd->sense_buffer[2] = ILLEGAL_REQUEST; | |
4394 | scmd->sense_buffer[12] = 0x20; | |
4395 | scmd->sense_buffer[13] = 0; | |
4396 | } | |
4397 | break; | |
4398 | ||
4399 | case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: | |
4400 | scsi_set_resid(scmd, 0); | |
4401 | case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: | |
4402 | case MPI2_IOCSTATUS_SUCCESS: | |
4403 | scmd->result = (DID_OK << 16) | scsi_status; | |
9982f594 KD |
4404 | if (response_code == |
4405 | MPI2_SCSITASKMGMT_RSP_INVALID_FRAME || | |
4406 | (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED | | |
4407 | MPI2_SCSI_STATE_NO_SCSI_STATUS))) | |
635374e7 EM |
4408 | scmd->result = DID_SOFT_ERROR << 16; |
4409 | else if (scsi_state & MPI2_SCSI_STATE_TERMINATED) | |
4410 | scmd->result = DID_RESET << 16; | |
4411 | break; | |
4412 | ||
3c621b3e EM |
4413 | case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: |
4414 | case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: | |
4415 | case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: | |
4416 | _scsih_eedp_error_handling(scmd, ioc_status); | |
4417 | break; | |
635374e7 EM |
4418 | case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: |
4419 | case MPI2_IOCSTATUS_INVALID_FUNCTION: | |
4420 | case MPI2_IOCSTATUS_INVALID_SGL: | |
4421 | case MPI2_IOCSTATUS_INTERNAL_ERROR: | |
4422 | case MPI2_IOCSTATUS_INVALID_FIELD: | |
4423 | case MPI2_IOCSTATUS_INVALID_STATE: | |
4424 | case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: | |
4425 | case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: | |
4426 | default: | |
4427 | scmd->result = DID_SOFT_ERROR << 16; | |
4428 | break; | |
4429 | ||
4430 | } | |
4431 | ||
4432 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
4433 | if (scmd->result && (ioc->logging_level & MPT_DEBUG_REPLY)) | |
4434 | _scsih_scsi_ioc_info(ioc , scmd, mpi_reply, smid); | |
4435 | #endif | |
4436 | ||
4437 | out: | |
4438 | scsi_dma_unmap(scmd); | |
4439 | scmd->scsi_done(scmd); | |
77e63ed4 | 4440 | return 1; |
635374e7 EM |
4441 | } |
4442 | ||
635374e7 EM |
4443 | /** |
4444 | * _scsih_sas_host_refresh - refreshing sas host object contents | |
4445 | * @ioc: per adapter object | |
635374e7 EM |
4446 | * Context: user |
4447 | * | |
4448 | * During port enable, fw will send topology events for every device. Its | |
4449 | * possible that the handles may change from the previous setting, so this | |
4450 | * code keeping handles updating if changed. | |
4451 | * | |
4452 | * Return nothing. | |
4453 | */ | |
4454 | static void | |
c5e039be | 4455 | _scsih_sas_host_refresh(struct MPT2SAS_ADAPTER *ioc) |
635374e7 EM |
4456 | { |
4457 | u16 sz; | |
4458 | u16 ioc_status; | |
4459 | int i; | |
4460 | Mpi2ConfigReply_t mpi_reply; | |
4461 | Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL; | |
c5e039be | 4462 | u16 attached_handle; |
7f6f794d | 4463 | u8 link_rate; |
635374e7 EM |
4464 | |
4465 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT | |
4466 | "updating handles for sas_host(0x%016llx)\n", | |
4467 | ioc->name, (unsigned long long)ioc->sas_hba.sas_address)); | |
4468 | ||
4469 | sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys | |
4470 | * sizeof(Mpi2SasIOUnit0PhyData_t)); | |
4471 | sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL); | |
4472 | if (!sas_iounit_pg0) { | |
4473 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4474 | ioc->name, __FILE__, __LINE__, __func__); | |
4475 | return; | |
4476 | } | |
635374e7 | 4477 | |
c5e039be KD |
4478 | if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply, |
4479 | sas_iounit_pg0, sz)) != 0) | |
4480 | goto out; | |
4481 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; | |
4482 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) | |
4483 | goto out; | |
4484 | for (i = 0; i < ioc->sas_hba.num_phys ; i++) { | |
7f6f794d | 4485 | link_rate = sas_iounit_pg0->PhyData[i].NegotiatedLinkRate >> 4; |
c5e039be KD |
4486 | if (i == 0) |
4487 | ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0-> | |
4488 | PhyData[0].ControllerDevHandle); | |
4489 | ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle; | |
4490 | attached_handle = le16_to_cpu(sas_iounit_pg0->PhyData[i]. | |
4491 | AttachedDevHandle); | |
7f6f794d KD |
4492 | if (attached_handle && link_rate < MPI2_SAS_NEG_LINK_RATE_1_5) |
4493 | link_rate = MPI2_SAS_NEG_LINK_RATE_1_5; | |
c5e039be | 4494 | mpt2sas_transport_update_links(ioc, ioc->sas_hba.sas_address, |
7f6f794d | 4495 | attached_handle, i, link_rate); |
c5e039be | 4496 | } |
635374e7 EM |
4497 | out: |
4498 | kfree(sas_iounit_pg0); | |
4499 | } | |
4500 | ||
4501 | /** | |
4502 | * _scsih_sas_host_add - create sas host object | |
4503 | * @ioc: per adapter object | |
4504 | * | |
4505 | * Creating host side data object, stored in ioc->sas_hba | |
4506 | * | |
4507 | * Return nothing. | |
4508 | */ | |
4509 | static void | |
4510 | _scsih_sas_host_add(struct MPT2SAS_ADAPTER *ioc) | |
4511 | { | |
4512 | int i; | |
4513 | Mpi2ConfigReply_t mpi_reply; | |
4514 | Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL; | |
4515 | Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; | |
4516 | Mpi2SasPhyPage0_t phy_pg0; | |
4517 | Mpi2SasDevicePage0_t sas_device_pg0; | |
4518 | Mpi2SasEnclosurePage0_t enclosure_pg0; | |
4519 | u16 ioc_status; | |
4520 | u16 sz; | |
4521 | u16 device_missing_delay; | |
4522 | ||
4523 | mpt2sas_config_get_number_hba_phys(ioc, &ioc->sas_hba.num_phys); | |
4524 | if (!ioc->sas_hba.num_phys) { | |
4525 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4526 | ioc->name, __FILE__, __LINE__, __func__); | |
4527 | return; | |
4528 | } | |
4529 | ||
4530 | /* sas_iounit page 0 */ | |
4531 | sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys * | |
4532 | sizeof(Mpi2SasIOUnit0PhyData_t)); | |
4533 | sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL); | |
4534 | if (!sas_iounit_pg0) { | |
4535 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4536 | ioc->name, __FILE__, __LINE__, __func__); | |
4537 | return; | |
4538 | } | |
4539 | if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply, | |
4540 | sas_iounit_pg0, sz))) { | |
4541 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4542 | ioc->name, __FILE__, __LINE__, __func__); | |
4543 | goto out; | |
4544 | } | |
4545 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
4546 | MPI2_IOCSTATUS_MASK; | |
4547 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
4548 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4549 | ioc->name, __FILE__, __LINE__, __func__); | |
4550 | goto out; | |
4551 | } | |
4552 | ||
4553 | /* sas_iounit page 1 */ | |
4554 | sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys * | |
4555 | sizeof(Mpi2SasIOUnit1PhyData_t)); | |
4556 | sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); | |
4557 | if (!sas_iounit_pg1) { | |
4558 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4559 | ioc->name, __FILE__, __LINE__, __func__); | |
4560 | goto out; | |
4561 | } | |
4562 | if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, | |
4563 | sas_iounit_pg1, sz))) { | |
4564 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4565 | ioc->name, __FILE__, __LINE__, __func__); | |
4566 | goto out; | |
4567 | } | |
4568 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
4569 | MPI2_IOCSTATUS_MASK; | |
4570 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
4571 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4572 | ioc->name, __FILE__, __LINE__, __func__); | |
4573 | goto out; | |
4574 | } | |
4575 | ||
4576 | ioc->io_missing_delay = | |
4577 | le16_to_cpu(sas_iounit_pg1->IODeviceMissingDelay); | |
4578 | device_missing_delay = | |
4579 | le16_to_cpu(sas_iounit_pg1->ReportDeviceMissingDelay); | |
4580 | if (device_missing_delay & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16) | |
4581 | ioc->device_missing_delay = (device_missing_delay & | |
4582 | MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16; | |
4583 | else | |
4584 | ioc->device_missing_delay = device_missing_delay & | |
4585 | MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK; | |
4586 | ||
4587 | ioc->sas_hba.parent_dev = &ioc->shost->shost_gendev; | |
4588 | ioc->sas_hba.phy = kcalloc(ioc->sas_hba.num_phys, | |
4589 | sizeof(struct _sas_phy), GFP_KERNEL); | |
4590 | if (!ioc->sas_hba.phy) { | |
4591 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4592 | ioc->name, __FILE__, __LINE__, __func__); | |
4593 | goto out; | |
4594 | } | |
4595 | for (i = 0; i < ioc->sas_hba.num_phys ; i++) { | |
4596 | if ((mpt2sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0, | |
4597 | i))) { | |
4598 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4599 | ioc->name, __FILE__, __LINE__, __func__); | |
4600 | goto out; | |
4601 | } | |
4602 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
4603 | MPI2_IOCSTATUS_MASK; | |
4604 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
4605 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4606 | ioc->name, __FILE__, __LINE__, __func__); | |
4607 | goto out; | |
4608 | } | |
c5e039be KD |
4609 | |
4610 | if (i == 0) | |
4611 | ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0-> | |
4612 | PhyData[0].ControllerDevHandle); | |
4613 | ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle; | |
635374e7 EM |
4614 | ioc->sas_hba.phy[i].phy_id = i; |
4615 | mpt2sas_transport_add_host_phy(ioc, &ioc->sas_hba.phy[i], | |
4616 | phy_pg0, ioc->sas_hba.parent_dev); | |
4617 | } | |
4618 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
c5e039be | 4619 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, ioc->sas_hba.handle))) { |
635374e7 EM |
4620 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
4621 | ioc->name, __FILE__, __LINE__, __func__); | |
4622 | goto out; | |
4623 | } | |
635374e7 EM |
4624 | ioc->sas_hba.enclosure_handle = |
4625 | le16_to_cpu(sas_device_pg0.EnclosureHandle); | |
4626 | ioc->sas_hba.sas_address = le64_to_cpu(sas_device_pg0.SASAddress); | |
4627 | printk(MPT2SAS_INFO_FMT "host_add: handle(0x%04x), " | |
4628 | "sas_addr(0x%016llx), phys(%d)\n", ioc->name, ioc->sas_hba.handle, | |
4629 | (unsigned long long) ioc->sas_hba.sas_address, | |
4630 | ioc->sas_hba.num_phys) ; | |
4631 | ||
4632 | if (ioc->sas_hba.enclosure_handle) { | |
4633 | if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply, | |
4634 | &enclosure_pg0, | |
4635 | MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, | |
4636 | ioc->sas_hba.enclosure_handle))) { | |
4637 | ioc->sas_hba.enclosure_logical_id = | |
4638 | le64_to_cpu(enclosure_pg0.EnclosureLogicalID); | |
4639 | } | |
4640 | } | |
4641 | ||
4642 | out: | |
4643 | kfree(sas_iounit_pg1); | |
4644 | kfree(sas_iounit_pg0); | |
4645 | } | |
4646 | ||
4647 | /** | |
4648 | * _scsih_expander_add - creating expander object | |
4649 | * @ioc: per adapter object | |
4650 | * @handle: expander handle | |
4651 | * | |
4652 | * Creating expander object, stored in ioc->sas_expander_list. | |
4653 | * | |
4654 | * Return 0 for success, else error. | |
4655 | */ | |
4656 | static int | |
4657 | _scsih_expander_add(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
4658 | { | |
4659 | struct _sas_node *sas_expander; | |
4660 | Mpi2ConfigReply_t mpi_reply; | |
4661 | Mpi2ExpanderPage0_t expander_pg0; | |
4662 | Mpi2ExpanderPage1_t expander_pg1; | |
4663 | Mpi2SasEnclosurePage0_t enclosure_pg0; | |
4664 | u32 ioc_status; | |
4665 | u16 parent_handle; | |
c97951ec | 4666 | u64 sas_address, sas_address_parent = 0; |
635374e7 EM |
4667 | int i; |
4668 | unsigned long flags; | |
20f5895d | 4669 | struct _sas_port *mpt2sas_port = NULL; |
635374e7 EM |
4670 | int rc = 0; |
4671 | ||
4672 | if (!handle) | |
4673 | return -1; | |
4674 | ||
3cb5469a | 4675 | if (ioc->shost_recovery || ioc->pci_error_recovery) |
155dd4c7 KD |
4676 | return -1; |
4677 | ||
635374e7 EM |
4678 | if ((mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, |
4679 | MPI2_SAS_EXPAND_PGAD_FORM_HNDL, handle))) { | |
4680 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4681 | ioc->name, __FILE__, __LINE__, __func__); | |
4682 | return -1; | |
4683 | } | |
4684 | ||
4685 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
4686 | MPI2_IOCSTATUS_MASK; | |
4687 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
4688 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4689 | ioc->name, __FILE__, __LINE__, __func__); | |
4690 | return -1; | |
4691 | } | |
4692 | ||
4693 | /* handle out of order topology events */ | |
4694 | parent_handle = le16_to_cpu(expander_pg0.ParentDevHandle); | |
c5e039be KD |
4695 | if (_scsih_get_sas_address(ioc, parent_handle, &sas_address_parent) |
4696 | != 0) { | |
4697 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4698 | ioc->name, __FILE__, __LINE__, __func__); | |
4699 | return -1; | |
4700 | } | |
4701 | if (sas_address_parent != ioc->sas_hba.sas_address) { | |
635374e7 | 4702 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
c5e039be KD |
4703 | sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc, |
4704 | sas_address_parent); | |
635374e7 EM |
4705 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
4706 | if (!sas_expander) { | |
4707 | rc = _scsih_expander_add(ioc, parent_handle); | |
4708 | if (rc != 0) | |
4709 | return rc; | |
4710 | } | |
4711 | } | |
4712 | ||
635374e7 | 4713 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
595bb0bd | 4714 | sas_address = le64_to_cpu(expander_pg0.SASAddress); |
635374e7 EM |
4715 | sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc, |
4716 | sas_address); | |
4717 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
4718 | ||
4719 | if (sas_expander) | |
4720 | return 0; | |
4721 | ||
4722 | sas_expander = kzalloc(sizeof(struct _sas_node), | |
4723 | GFP_KERNEL); | |
4724 | if (!sas_expander) { | |
4725 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4726 | ioc->name, __FILE__, __LINE__, __func__); | |
4727 | return -1; | |
4728 | } | |
4729 | ||
4730 | sas_expander->handle = handle; | |
4731 | sas_expander->num_phys = expander_pg0.NumPhys; | |
c5e039be | 4732 | sas_expander->sas_address_parent = sas_address_parent; |
635374e7 EM |
4733 | sas_expander->sas_address = sas_address; |
4734 | ||
4735 | printk(MPT2SAS_INFO_FMT "expander_add: handle(0x%04x)," | |
4736 | " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc->name, | |
c5e039be | 4737 | handle, parent_handle, (unsigned long long) |
635374e7 EM |
4738 | sas_expander->sas_address, sas_expander->num_phys); |
4739 | ||
4740 | if (!sas_expander->num_phys) | |
4741 | goto out_fail; | |
4742 | sas_expander->phy = kcalloc(sas_expander->num_phys, | |
4743 | sizeof(struct _sas_phy), GFP_KERNEL); | |
4744 | if (!sas_expander->phy) { | |
4745 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4746 | ioc->name, __FILE__, __LINE__, __func__); | |
4747 | rc = -1; | |
4748 | goto out_fail; | |
4749 | } | |
4750 | ||
4751 | INIT_LIST_HEAD(&sas_expander->sas_port_list); | |
4752 | mpt2sas_port = mpt2sas_transport_port_add(ioc, handle, | |
c5e039be | 4753 | sas_address_parent); |
635374e7 EM |
4754 | if (!mpt2sas_port) { |
4755 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4756 | ioc->name, __FILE__, __LINE__, __func__); | |
4757 | rc = -1; | |
4758 | goto out_fail; | |
4759 | } | |
4760 | sas_expander->parent_dev = &mpt2sas_port->rphy->dev; | |
4761 | ||
4762 | for (i = 0 ; i < sas_expander->num_phys ; i++) { | |
4763 | if ((mpt2sas_config_get_expander_pg1(ioc, &mpi_reply, | |
4764 | &expander_pg1, i, handle))) { | |
4765 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4766 | ioc->name, __FILE__, __LINE__, __func__); | |
20f5895d KD |
4767 | rc = -1; |
4768 | goto out_fail; | |
635374e7 EM |
4769 | } |
4770 | sas_expander->phy[i].handle = handle; | |
4771 | sas_expander->phy[i].phy_id = i; | |
20f5895d KD |
4772 | |
4773 | if ((mpt2sas_transport_add_expander_phy(ioc, | |
4774 | &sas_expander->phy[i], expander_pg1, | |
4775 | sas_expander->parent_dev))) { | |
4776 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
4777 | ioc->name, __FILE__, __LINE__, __func__); | |
4778 | rc = -1; | |
4779 | goto out_fail; | |
4780 | } | |
635374e7 EM |
4781 | } |
4782 | ||
4783 | if (sas_expander->enclosure_handle) { | |
4784 | if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply, | |
4785 | &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, | |
4786 | sas_expander->enclosure_handle))) { | |
4787 | sas_expander->enclosure_logical_id = | |
4788 | le64_to_cpu(enclosure_pg0.EnclosureLogicalID); | |
4789 | } | |
4790 | } | |
4791 | ||
4792 | _scsih_expander_node_add(ioc, sas_expander); | |
4793 | return 0; | |
4794 | ||
4795 | out_fail: | |
4796 | ||
20f5895d KD |
4797 | if (mpt2sas_port) |
4798 | mpt2sas_transport_port_remove(ioc, sas_expander->sas_address, | |
c5e039be | 4799 | sas_address_parent); |
635374e7 EM |
4800 | kfree(sas_expander); |
4801 | return rc; | |
4802 | } | |
4803 | ||
744090d3 KD |
4804 | /** |
4805 | * _scsih_done - scsih callback handler. | |
4806 | * @ioc: per adapter object | |
4807 | * @smid: system request message index | |
4808 | * @msix_index: MSIX table index supplied by the OS | |
4809 | * @reply: reply message frame(lower 32bit addr) | |
4810 | * | |
4811 | * Callback handler when sending internal generated message frames. | |
4812 | * The callback index passed is `ioc->scsih_cb_idx` | |
4813 | * | |
4814 | * Return 1 meaning mf should be freed from _base_interrupt | |
4815 | * 0 means the mf is freed from this function. | |
4816 | */ | |
4817 | static u8 | |
4818 | _scsih_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) | |
4819 | { | |
4820 | MPI2DefaultReply_t *mpi_reply; | |
4821 | ||
4822 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
4823 | if (ioc->scsih_cmds.status == MPT2_CMD_NOT_USED) | |
4824 | return 1; | |
4825 | if (ioc->scsih_cmds.smid != smid) | |
4826 | return 1; | |
4827 | ioc->scsih_cmds.status |= MPT2_CMD_COMPLETE; | |
4828 | if (mpi_reply) { | |
4829 | memcpy(ioc->scsih_cmds.reply, mpi_reply, | |
4830 | mpi_reply->MsgLength*4); | |
4831 | ioc->scsih_cmds.status |= MPT2_CMD_REPLY_VALID; | |
4832 | } | |
4833 | ioc->scsih_cmds.status &= ~MPT2_CMD_PENDING; | |
4834 | complete(&ioc->scsih_cmds.done); | |
4835 | return 1; | |
4836 | } | |
4837 | ||
635374e7 | 4838 | /** |
7f6f794d | 4839 | * mpt2sas_expander_remove - removing expander object |
635374e7 | 4840 | * @ioc: per adapter object |
c5e039be | 4841 | * @sas_address: expander sas_address |
635374e7 EM |
4842 | * |
4843 | * Return nothing. | |
4844 | */ | |
7f6f794d KD |
4845 | void |
4846 | mpt2sas_expander_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address) | |
635374e7 EM |
4847 | { |
4848 | struct _sas_node *sas_expander; | |
4849 | unsigned long flags; | |
4850 | ||
155dd4c7 KD |
4851 | if (ioc->shost_recovery) |
4852 | return; | |
4853 | ||
635374e7 | 4854 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
c5e039be KD |
4855 | sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc, |
4856 | sas_address); | |
7f6f794d KD |
4857 | if (!sas_expander) { |
4858 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
4859 | return; | |
4860 | } | |
4861 | list_del(&sas_expander->list); | |
635374e7 EM |
4862 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
4863 | _scsih_expander_node_remove(ioc, sas_expander); | |
4864 | } | |
4865 | ||
b4344276 KD |
4866 | /** |
4867 | * _scsih_check_access_status - check access flags | |
4868 | * @ioc: per adapter object | |
4869 | * @sas_address: sas address | |
4870 | * @handle: sas device handle | |
4871 | * @access_flags: errors returned during discovery of the device | |
4872 | * | |
4873 | * Return 0 for success, else failure | |
4874 | */ | |
4875 | static u8 | |
4876 | _scsih_check_access_status(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, | |
4877 | u16 handle, u8 access_status) | |
4878 | { | |
4879 | u8 rc = 1; | |
4880 | char *desc = NULL; | |
4881 | ||
4882 | switch (access_status) { | |
4883 | case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS: | |
4884 | case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION: | |
4885 | rc = 0; | |
4886 | break; | |
4887 | case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED: | |
4888 | desc = "sata capability failed"; | |
4889 | break; | |
4890 | case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT: | |
4891 | desc = "sata affiliation conflict"; | |
4892 | break; | |
4893 | case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE: | |
4894 | desc = "route not addressable"; | |
4895 | break; | |
4896 | case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE: | |
4897 | desc = "smp error not addressable"; | |
4898 | break; | |
4899 | case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED: | |
4900 | desc = "device blocked"; | |
4901 | break; | |
4902 | case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED: | |
4903 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN: | |
4904 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT: | |
4905 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG: | |
4906 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION: | |
4907 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER: | |
4908 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN: | |
4909 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN: | |
4910 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN: | |
4911 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION: | |
4912 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE: | |
4913 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX: | |
4914 | desc = "sata initialization failed"; | |
4915 | break; | |
4916 | default: | |
4917 | desc = "unknown"; | |
4918 | break; | |
4919 | } | |
4920 | ||
4921 | if (!rc) | |
4922 | return 0; | |
4923 | ||
4924 | printk(MPT2SAS_ERR_FMT "discovery errors(%s): sas_address(0x%016llx), " | |
4925 | "handle(0x%04x)\n", ioc->name, desc, | |
4926 | (unsigned long long)sas_address, handle); | |
4927 | return rc; | |
4928 | } | |
4929 | ||
4930 | static void | |
4931 | _scsih_check_device(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
4932 | { | |
4933 | Mpi2ConfigReply_t mpi_reply; | |
4934 | Mpi2SasDevicePage0_t sas_device_pg0; | |
4935 | struct _sas_device *sas_device; | |
4936 | u32 ioc_status; | |
4937 | unsigned long flags; | |
4938 | u64 sas_address; | |
4939 | struct scsi_target *starget; | |
4940 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
4941 | u32 device_info; | |
4942 | ||
4943 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
4944 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) | |
4945 | return; | |
4946 | ||
4947 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; | |
4948 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) | |
4949 | return; | |
4950 | ||
4951 | /* check if this is end device */ | |
4952 | device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); | |
4953 | if (!(_scsih_is_end_device(device_info))) | |
4954 | return; | |
4955 | ||
4956 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
4957 | sas_address = le64_to_cpu(sas_device_pg0.SASAddress); | |
4958 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
4959 | sas_address); | |
4960 | ||
4961 | if (!sas_device) { | |
4962 | printk(MPT2SAS_ERR_FMT "device is not present " | |
4963 | "handle(0x%04x), no sas_device!!!\n", ioc->name, handle); | |
4964 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4965 | return; | |
4966 | } | |
4967 | ||
4968 | if (unlikely(sas_device->handle != handle)) { | |
4969 | starget = sas_device->starget; | |
4970 | sas_target_priv_data = starget->hostdata; | |
4971 | starget_printk(KERN_INFO, starget, "handle changed from(0x%04x)" | |
4972 | " to (0x%04x)!!!\n", sas_device->handle, handle); | |
4973 | sas_target_priv_data->handle = handle; | |
4974 | sas_device->handle = handle; | |
4975 | } | |
4976 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
4977 | ||
4978 | /* check if device is present */ | |
4979 | if (!(le16_to_cpu(sas_device_pg0.Flags) & | |
4980 | MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) { | |
4981 | printk(MPT2SAS_ERR_FMT "device is not present " | |
4982 | "handle(0x%04x), flags!!!\n", ioc->name, handle); | |
4983 | return; | |
4984 | } | |
4985 | ||
4986 | /* check if there were any issues with discovery */ | |
4987 | if (_scsih_check_access_status(ioc, sas_address, handle, | |
4988 | sas_device_pg0.AccessStatus)) | |
4989 | return; | |
4990 | _scsih_ublock_io_device(ioc, handle); | |
4991 | ||
4992 | } | |
4993 | ||
635374e7 EM |
4994 | /** |
4995 | * _scsih_add_device - creating sas device object | |
4996 | * @ioc: per adapter object | |
4997 | * @handle: sas device handle | |
4998 | * @phy_num: phy number end device attached to | |
4999 | * @is_pd: is this hidden raid component | |
5000 | * | |
5001 | * Creating end device object, stored in ioc->sas_device_list. | |
5002 | * | |
5003 | * Returns 0 for success, non-zero for failure. | |
5004 | */ | |
5005 | static int | |
5006 | _scsih_add_device(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 phy_num, u8 is_pd) | |
5007 | { | |
5008 | Mpi2ConfigReply_t mpi_reply; | |
5009 | Mpi2SasDevicePage0_t sas_device_pg0; | |
5010 | Mpi2SasEnclosurePage0_t enclosure_pg0; | |
5011 | struct _sas_device *sas_device; | |
5012 | u32 ioc_status; | |
5013 | __le64 sas_address; | |
5014 | u32 device_info; | |
5015 | unsigned long flags; | |
5016 | ||
5017 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
5018 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { | |
5019 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
5020 | ioc->name, __FILE__, __LINE__, __func__); | |
5021 | return -1; | |
5022 | } | |
5023 | ||
5024 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
5025 | MPI2_IOCSTATUS_MASK; | |
5026 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
5027 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
5028 | ioc->name, __FILE__, __LINE__, __func__); | |
5029 | return -1; | |
5030 | } | |
5031 | ||
b4344276 KD |
5032 | sas_address = le64_to_cpu(sas_device_pg0.SASAddress); |
5033 | ||
635374e7 EM |
5034 | /* check if device is present */ |
5035 | if (!(le16_to_cpu(sas_device_pg0.Flags) & | |
5036 | MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) { | |
5037 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
5038 | ioc->name, __FILE__, __LINE__, __func__); | |
5039 | printk(MPT2SAS_ERR_FMT "Flags = 0x%04x\n", | |
5040 | ioc->name, le16_to_cpu(sas_device_pg0.Flags)); | |
5041 | return -1; | |
5042 | } | |
5043 | ||
b4344276 KD |
5044 | /* check if there were any issues with discovery */ |
5045 | if (_scsih_check_access_status(ioc, sas_address, handle, | |
5046 | sas_device_pg0.AccessStatus)) | |
635374e7 | 5047 | return -1; |
635374e7 EM |
5048 | |
5049 | /* check if this is end device */ | |
5050 | device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); | |
5051 | if (!(_scsih_is_end_device(device_info))) { | |
5052 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
5053 | ioc->name, __FILE__, __LINE__, __func__); | |
5054 | return -1; | |
5055 | } | |
5056 | ||
635374e7 EM |
5057 | |
5058 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
5059 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
5060 | sas_address); | |
5061 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
5062 | ||
b4344276 | 5063 | if (sas_device) |
635374e7 | 5064 | return 0; |
635374e7 EM |
5065 | |
5066 | sas_device = kzalloc(sizeof(struct _sas_device), | |
5067 | GFP_KERNEL); | |
5068 | if (!sas_device) { | |
5069 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
5070 | ioc->name, __FILE__, __LINE__, __func__); | |
5071 | return -1; | |
5072 | } | |
5073 | ||
5074 | sas_device->handle = handle; | |
c5e039be KD |
5075 | if (_scsih_get_sas_address(ioc, le16_to_cpu |
5076 | (sas_device_pg0.ParentDevHandle), | |
5077 | &sas_device->sas_address_parent) != 0) | |
5078 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
5079 | ioc->name, __FILE__, __LINE__, __func__); | |
635374e7 EM |
5080 | sas_device->enclosure_handle = |
5081 | le16_to_cpu(sas_device_pg0.EnclosureHandle); | |
5082 | sas_device->slot = | |
5083 | le16_to_cpu(sas_device_pg0.Slot); | |
5084 | sas_device->device_info = device_info; | |
5085 | sas_device->sas_address = sas_address; | |
7fbae67a | 5086 | sas_device->phy = sas_device_pg0.PhyNum; |
635374e7 EM |
5087 | |
5088 | /* get enclosure_logical_id */ | |
15052c9e KD |
5089 | if (sas_device->enclosure_handle && !(mpt2sas_config_get_enclosure_pg0( |
5090 | ioc, &mpi_reply, &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, | |
5091 | sas_device->enclosure_handle))) | |
635374e7 EM |
5092 | sas_device->enclosure_logical_id = |
5093 | le64_to_cpu(enclosure_pg0.EnclosureLogicalID); | |
635374e7 EM |
5094 | |
5095 | /* get device name */ | |
5096 | sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName); | |
5097 | ||
5098 | if (ioc->wait_for_port_enable_to_complete) | |
5099 | _scsih_sas_device_init_add(ioc, sas_device); | |
5100 | else | |
5101 | _scsih_sas_device_add(ioc, sas_device); | |
5102 | ||
5103 | return 0; | |
5104 | } | |
5105 | ||
1278b11f KD |
5106 | /** |
5107 | * _scsih_remove_device - removing sas device object | |
5108 | * @ioc: per adapter object | |
5109 | * @sas_device_delete: the sas_device object | |
5110 | * | |
5111 | * Return nothing. | |
5112 | */ | |
5113 | static void | |
5114 | _scsih_remove_device(struct MPT2SAS_ADAPTER *ioc, | |
5115 | struct _sas_device *sas_device) | |
5116 | { | |
5117 | struct _sas_device sas_device_backup; | |
5118 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
34a03bef | 5119 | |
1278b11f KD |
5120 | if (!sas_device) |
5121 | return; | |
5122 | ||
5123 | memcpy(&sas_device_backup, sas_device, sizeof(struct _sas_device)); | |
5124 | _scsih_sas_device_remove(ioc, sas_device); | |
34a03bef | 5125 | |
1278b11f KD |
5126 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter: " |
5127 | "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, | |
5128 | sas_device_backup.handle, (unsigned long long) | |
5129 | sas_device_backup.sas_address)); | |
5130 | ||
5131 | if (sas_device_backup.starget && sas_device_backup.starget->hostdata) { | |
5132 | sas_target_priv_data = sas_device_backup.starget->hostdata; | |
5133 | sas_target_priv_data->deleted = 1; | |
5134 | } | |
5135 | ||
1278b11f KD |
5136 | _scsih_ublock_io_device(ioc, sas_device_backup.handle); |
5137 | ||
0bdccdb0 KD |
5138 | if (!ioc->hide_drives) |
5139 | mpt2sas_transport_port_remove(ioc, | |
5140 | sas_device_backup.sas_address, | |
5141 | sas_device_backup.sas_address_parent); | |
635374e7 EM |
5142 | |
5143 | printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), sas_addr" | |
1278b11f KD |
5144 | "(0x%016llx)\n", ioc->name, sas_device_backup.handle, |
5145 | (unsigned long long) sas_device_backup.sas_address); | |
635374e7 | 5146 | |
1278b11f KD |
5147 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit: " |
5148 | "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, | |
5149 | sas_device_backup.handle, (unsigned long long) | |
5150 | sas_device_backup.sas_address)); | |
635374e7 EM |
5151 | } |
5152 | ||
7f6f794d KD |
5153 | /** |
5154 | * mpt2sas_device_remove - removing device object | |
5155 | * @ioc: per adapter object | |
5156 | * @sas_address: expander sas_address | |
5157 | * | |
5158 | * Return nothing. | |
5159 | */ | |
5160 | void | |
5161 | mpt2sas_device_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address) | |
5162 | { | |
5163 | struct _sas_device *sas_device; | |
5164 | unsigned long flags; | |
5165 | ||
5166 | if (ioc->shost_recovery) | |
5167 | return; | |
5168 | ||
5169 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
5170 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
5171 | sas_address); | |
5172 | if (!sas_device) { | |
5173 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
5174 | return; | |
5175 | } | |
5176 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
5177 | _scsih_remove_device(ioc, sas_device); | |
5178 | } | |
5179 | ||
635374e7 EM |
5180 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
5181 | /** | |
5182 | * _scsih_sas_topology_change_event_debug - debug for topology event | |
5183 | * @ioc: per adapter object | |
5184 | * @event_data: event data payload | |
5185 | * Context: user. | |
5186 | */ | |
5187 | static void | |
5188 | _scsih_sas_topology_change_event_debug(struct MPT2SAS_ADAPTER *ioc, | |
5189 | Mpi2EventDataSasTopologyChangeList_t *event_data) | |
5190 | { | |
5191 | int i; | |
5192 | u16 handle; | |
5193 | u16 reason_code; | |
5194 | u8 phy_number; | |
5195 | char *status_str = NULL; | |
e7d59c17 | 5196 | u8 link_rate, prev_link_rate; |
635374e7 EM |
5197 | |
5198 | switch (event_data->ExpStatus) { | |
5199 | case MPI2_EVENT_SAS_TOPO_ES_ADDED: | |
5200 | status_str = "add"; | |
5201 | break; | |
5202 | case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING: | |
5203 | status_str = "remove"; | |
5204 | break; | |
5205 | case MPI2_EVENT_SAS_TOPO_ES_RESPONDING: | |
e7d59c17 | 5206 | case 0: |
635374e7 EM |
5207 | status_str = "responding"; |
5208 | break; | |
5209 | case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING: | |
5210 | status_str = "remove delay"; | |
5211 | break; | |
5212 | default: | |
5213 | status_str = "unknown status"; | |
5214 | break; | |
5215 | } | |
eabb08ad | 5216 | printk(MPT2SAS_INFO_FMT "sas topology change: (%s)\n", |
635374e7 | 5217 | ioc->name, status_str); |
eabb08ad | 5218 | printk(KERN_INFO "\thandle(0x%04x), enclosure_handle(0x%04x) " |
635374e7 EM |
5219 | "start_phy(%02d), count(%d)\n", |
5220 | le16_to_cpu(event_data->ExpanderDevHandle), | |
5221 | le16_to_cpu(event_data->EnclosureHandle), | |
5222 | event_data->StartPhyNum, event_data->NumEntries); | |
5223 | for (i = 0; i < event_data->NumEntries; i++) { | |
5224 | handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); | |
5225 | if (!handle) | |
5226 | continue; | |
5227 | phy_number = event_data->StartPhyNum + i; | |
5228 | reason_code = event_data->PHY[i].PhyStatus & | |
5229 | MPI2_EVENT_SAS_TOPO_RC_MASK; | |
5230 | switch (reason_code) { | |
5231 | case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: | |
e7d59c17 | 5232 | status_str = "target add"; |
635374e7 EM |
5233 | break; |
5234 | case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: | |
e7d59c17 | 5235 | status_str = "target remove"; |
635374e7 EM |
5236 | break; |
5237 | case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING: | |
e7d59c17 | 5238 | status_str = "delay target remove"; |
635374e7 EM |
5239 | break; |
5240 | case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: | |
e7d59c17 | 5241 | status_str = "link rate change"; |
635374e7 EM |
5242 | break; |
5243 | case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE: | |
e7d59c17 | 5244 | status_str = "target responding"; |
635374e7 EM |
5245 | break; |
5246 | default: | |
e7d59c17 | 5247 | status_str = "unknown"; |
635374e7 EM |
5248 | break; |
5249 | } | |
e7d59c17 KD |
5250 | link_rate = event_data->PHY[i].LinkRate >> 4; |
5251 | prev_link_rate = event_data->PHY[i].LinkRate & 0xF; | |
eabb08ad | 5252 | printk(KERN_INFO "\tphy(%02d), attached_handle(0x%04x): %s:" |
e7d59c17 KD |
5253 | " link rate: new(0x%02x), old(0x%02x)\n", phy_number, |
5254 | handle, status_str, link_rate, prev_link_rate); | |
5255 | ||
635374e7 EM |
5256 | } |
5257 | } | |
5258 | #endif | |
5259 | ||
5260 | /** | |
5261 | * _scsih_sas_topology_change_event - handle topology changes | |
5262 | * @ioc: per adapter object | |
7b936b02 | 5263 | * @fw_event: The fw_event_work object |
635374e7 EM |
5264 | * Context: user. |
5265 | * | |
5266 | */ | |
5267 | static void | |
7b936b02 | 5268 | _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc, |
635374e7 EM |
5269 | struct fw_event_work *fw_event) |
5270 | { | |
5271 | int i; | |
5272 | u16 parent_handle, handle; | |
5273 | u16 reason_code; | |
b41c09d1 | 5274 | u8 phy_number, max_phys; |
635374e7 | 5275 | struct _sas_node *sas_expander; |
c5e039be KD |
5276 | struct _sas_device *sas_device; |
5277 | u64 sas_address; | |
635374e7 | 5278 | unsigned long flags; |
e7d59c17 | 5279 | u8 link_rate, prev_link_rate; |
7b936b02 | 5280 | Mpi2EventDataSasTopologyChangeList_t *event_data = fw_event->event_data; |
635374e7 EM |
5281 | |
5282 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
5283 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) | |
5284 | _scsih_sas_topology_change_event_debug(ioc, event_data); | |
5285 | #endif | |
5286 | ||
3cb5469a | 5287 | if (ioc->shost_recovery || ioc->remove_host || ioc->pci_error_recovery) |
c5e039be KD |
5288 | return; |
5289 | ||
635374e7 EM |
5290 | if (!ioc->sas_hba.num_phys) |
5291 | _scsih_sas_host_add(ioc); | |
5292 | else | |
c5e039be | 5293 | _scsih_sas_host_refresh(ioc); |
635374e7 EM |
5294 | |
5295 | if (fw_event->ignore) { | |
eabb08ad | 5296 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "ignoring expander " |
635374e7 EM |
5297 | "event\n", ioc->name)); |
5298 | return; | |
5299 | } | |
5300 | ||
5301 | parent_handle = le16_to_cpu(event_data->ExpanderDevHandle); | |
5302 | ||
5303 | /* handle expander add */ | |
5304 | if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_ADDED) | |
5305 | if (_scsih_expander_add(ioc, parent_handle) != 0) | |
5306 | return; | |
5307 | ||
c5e039be KD |
5308 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
5309 | sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc, | |
5310 | parent_handle); | |
5311 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
b41c09d1 | 5312 | if (sas_expander) { |
c5e039be | 5313 | sas_address = sas_expander->sas_address; |
b41c09d1 KD |
5314 | max_phys = sas_expander->num_phys; |
5315 | } else if (parent_handle < ioc->sas_hba.num_phys) { | |
c5e039be | 5316 | sas_address = ioc->sas_hba.sas_address; |
b41c09d1 KD |
5317 | max_phys = ioc->sas_hba.num_phys; |
5318 | } else | |
c5e039be KD |
5319 | return; |
5320 | ||
635374e7 EM |
5321 | /* handle siblings events */ |
5322 | for (i = 0; i < event_data->NumEntries; i++) { | |
5323 | if (fw_event->ignore) { | |
eabb08ad | 5324 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "ignoring " |
635374e7 EM |
5325 | "expander event\n", ioc->name)); |
5326 | return; | |
5327 | } | |
3cb5469a EM |
5328 | if (ioc->shost_recovery || ioc->remove_host || |
5329 | ioc->pci_error_recovery) | |
155dd4c7 | 5330 | return; |
308609c6 | 5331 | phy_number = event_data->StartPhyNum + i; |
b41c09d1 KD |
5332 | if (phy_number >= max_phys) |
5333 | continue; | |
308609c6 KD |
5334 | reason_code = event_data->PHY[i].PhyStatus & |
5335 | MPI2_EVENT_SAS_TOPO_RC_MASK; | |
5336 | if ((event_data->PHY[i].PhyStatus & | |
5337 | MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) && (reason_code != | |
5338 | MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)) | |
635374e7 EM |
5339 | continue; |
5340 | handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); | |
5341 | if (!handle) | |
5342 | continue; | |
c5e039be | 5343 | link_rate = event_data->PHY[i].LinkRate >> 4; |
e7d59c17 | 5344 | prev_link_rate = event_data->PHY[i].LinkRate & 0xF; |
635374e7 EM |
5345 | switch (reason_code) { |
5346 | case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: | |
e7d59c17 KD |
5347 | |
5348 | if (link_rate == prev_link_rate) | |
5349 | break; | |
5350 | ||
5351 | mpt2sas_transport_update_links(ioc, sas_address, | |
5352 | handle, phy_number, link_rate); | |
5353 | ||
b4344276 KD |
5354 | if (link_rate < MPI2_SAS_NEG_LINK_RATE_1_5) |
5355 | break; | |
5356 | ||
5357 | _scsih_check_device(ioc, handle); | |
e7d59c17 | 5358 | break; |
635374e7 | 5359 | case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: |
c5e039be KD |
5360 | |
5361 | mpt2sas_transport_update_links(ioc, sas_address, | |
5362 | handle, phy_number, link_rate); | |
5363 | ||
e7d59c17 | 5364 | _scsih_add_device(ioc, handle, phy_number, 0); |
635374e7 EM |
5365 | break; |
5366 | case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: | |
c5e039be KD |
5367 | |
5368 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
5369 | sas_device = _scsih_sas_device_find_by_handle(ioc, | |
5370 | handle); | |
5371 | if (!sas_device) { | |
5372 | spin_unlock_irqrestore(&ioc->sas_device_lock, | |
5373 | flags); | |
5374 | break; | |
5375 | } | |
5376 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
5377 | _scsih_remove_device(ioc, sas_device); | |
635374e7 EM |
5378 | break; |
5379 | } | |
5380 | } | |
5381 | ||
5382 | /* handle expander removal */ | |
c5e039be KD |
5383 | if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING && |
5384 | sas_expander) | |
7f6f794d | 5385 | mpt2sas_expander_remove(ioc, sas_address); |
635374e7 EM |
5386 | |
5387 | } | |
5388 | ||
5389 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
5390 | /** | |
5391 | * _scsih_sas_device_status_change_event_debug - debug for device event | |
5392 | * @event_data: event data payload | |
5393 | * Context: user. | |
5394 | * | |
5395 | * Return nothing. | |
5396 | */ | |
5397 | static void | |
5398 | _scsih_sas_device_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc, | |
5399 | Mpi2EventDataSasDeviceStatusChange_t *event_data) | |
5400 | { | |
5401 | char *reason_str = NULL; | |
5402 | ||
5403 | switch (event_data->ReasonCode) { | |
5404 | case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA: | |
5405 | reason_str = "smart data"; | |
5406 | break; | |
5407 | case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED: | |
5408 | reason_str = "unsupported device discovered"; | |
5409 | break; | |
5410 | case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET: | |
5411 | reason_str = "internal device reset"; | |
5412 | break; | |
5413 | case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL: | |
5414 | reason_str = "internal task abort"; | |
5415 | break; | |
5416 | case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL: | |
5417 | reason_str = "internal task abort set"; | |
5418 | break; | |
5419 | case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL: | |
5420 | reason_str = "internal clear task set"; | |
5421 | break; | |
5422 | case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL: | |
5423 | reason_str = "internal query task"; | |
5424 | break; | |
5425 | case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE: | |
5426 | reason_str = "sata init failure"; | |
5427 | break; | |
5428 | case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET: | |
5429 | reason_str = "internal device reset complete"; | |
5430 | break; | |
5431 | case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL: | |
5432 | reason_str = "internal task abort complete"; | |
5433 | break; | |
5434 | case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION: | |
5435 | reason_str = "internal async notification"; | |
5436 | break; | |
ec6c2b43 KD |
5437 | case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY: |
5438 | reason_str = "expander reduced functionality"; | |
5439 | break; | |
5440 | case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY: | |
5441 | reason_str = "expander reduced functionality complete"; | |
5442 | break; | |
635374e7 EM |
5443 | default: |
5444 | reason_str = "unknown reason"; | |
5445 | break; | |
5446 | } | |
eabb08ad | 5447 | printk(MPT2SAS_INFO_FMT "device status change: (%s)\n" |
f93213de KD |
5448 | "\thandle(0x%04x), sas address(0x%016llx), tag(%d)", |
5449 | ioc->name, reason_str, le16_to_cpu(event_data->DevHandle), | |
5450 | (unsigned long long)le64_to_cpu(event_data->SASAddress), | |
5451 | le16_to_cpu(event_data->TaskTag)); | |
635374e7 | 5452 | if (event_data->ReasonCode == MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA) |
eabb08ad | 5453 | printk(MPT2SAS_INFO_FMT ", ASC(0x%x), ASCQ(0x%x)\n", ioc->name, |
635374e7 EM |
5454 | event_data->ASC, event_data->ASCQ); |
5455 | printk(KERN_INFO "\n"); | |
5456 | } | |
5457 | #endif | |
5458 | ||
5459 | /** | |
5460 | * _scsih_sas_device_status_change_event - handle device status change | |
5461 | * @ioc: per adapter object | |
7b936b02 | 5462 | * @fw_event: The fw_event_work object |
635374e7 EM |
5463 | * Context: user. |
5464 | * | |
5465 | * Return nothing. | |
5466 | */ | |
5467 | static void | |
7b936b02 KD |
5468 | _scsih_sas_device_status_change_event(struct MPT2SAS_ADAPTER *ioc, |
5469 | struct fw_event_work *fw_event) | |
635374e7 | 5470 | { |
8ffc457e KD |
5471 | struct MPT2SAS_TARGET *target_priv_data; |
5472 | struct _sas_device *sas_device; | |
c97951ec | 5473 | u64 sas_address; |
8ffc457e KD |
5474 | unsigned long flags; |
5475 | Mpi2EventDataSasDeviceStatusChange_t *event_data = | |
5476 | fw_event->event_data; | |
5477 | ||
635374e7 EM |
5478 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
5479 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) | |
7b936b02 | 5480 | _scsih_sas_device_status_change_event_debug(ioc, |
8ffc457e | 5481 | event_data); |
635374e7 | 5482 | #endif |
8ffc457e | 5483 | |
efe82a16 KD |
5484 | /* In MPI Revision K (0xC), the internal device reset complete was |
5485 | * implemented, so avoid setting tm_busy flag for older firmware. | |
5486 | */ | |
5487 | if ((ioc->facts.HeaderVersion >> 8) < 0xC) | |
5488 | return; | |
5489 | ||
f891dcfd | 5490 | if (event_data->ReasonCode != |
8ffc457e | 5491 | MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET && |
f891dcfd KD |
5492 | event_data->ReasonCode != |
5493 | MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET) | |
8ffc457e KD |
5494 | return; |
5495 | ||
5496 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
5497 | sas_address = le64_to_cpu(event_data->SASAddress); | |
5498 | sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, | |
5499 | sas_address); | |
5500 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
5501 | ||
5502 | if (!sas_device || !sas_device->starget) | |
5503 | return; | |
5504 | ||
5505 | target_priv_data = sas_device->starget->hostdata; | |
5506 | if (!target_priv_data) | |
5507 | return; | |
5508 | ||
5509 | if (event_data->ReasonCode == | |
5510 | MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET) | |
5511 | target_priv_data->tm_busy = 1; | |
5512 | else | |
5513 | target_priv_data->tm_busy = 0; | |
635374e7 EM |
5514 | } |
5515 | ||
5516 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
5517 | /** | |
5518 | * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure event | |
5519 | * @ioc: per adapter object | |
5520 | * @event_data: event data payload | |
5521 | * Context: user. | |
5522 | * | |
5523 | * Return nothing. | |
5524 | */ | |
5525 | static void | |
5526 | _scsih_sas_enclosure_dev_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc, | |
5527 | Mpi2EventDataSasEnclDevStatusChange_t *event_data) | |
5528 | { | |
5529 | char *reason_str = NULL; | |
5530 | ||
5531 | switch (event_data->ReasonCode) { | |
5532 | case MPI2_EVENT_SAS_ENCL_RC_ADDED: | |
5533 | reason_str = "enclosure add"; | |
5534 | break; | |
5535 | case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING: | |
5536 | reason_str = "enclosure remove"; | |
5537 | break; | |
5538 | default: | |
5539 | reason_str = "unknown reason"; | |
5540 | break; | |
5541 | } | |
5542 | ||
eabb08ad | 5543 | printk(MPT2SAS_INFO_FMT "enclosure status change: (%s)\n" |
635374e7 EM |
5544 | "\thandle(0x%04x), enclosure logical id(0x%016llx)" |
5545 | " number slots(%d)\n", ioc->name, reason_str, | |
5546 | le16_to_cpu(event_data->EnclosureHandle), | |
5547 | (unsigned long long)le64_to_cpu(event_data->EnclosureLogicalID), | |
5548 | le16_to_cpu(event_data->StartSlot)); | |
5549 | } | |
5550 | #endif | |
5551 | ||
5552 | /** | |
5553 | * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events | |
5554 | * @ioc: per adapter object | |
7b936b02 | 5555 | * @fw_event: The fw_event_work object |
635374e7 EM |
5556 | * Context: user. |
5557 | * | |
5558 | * Return nothing. | |
5559 | */ | |
5560 | static void | |
5561 | _scsih_sas_enclosure_dev_status_change_event(struct MPT2SAS_ADAPTER *ioc, | |
7b936b02 | 5562 | struct fw_event_work *fw_event) |
635374e7 EM |
5563 | { |
5564 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
5565 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) | |
5566 | _scsih_sas_enclosure_dev_status_change_event_debug(ioc, | |
7b936b02 | 5567 | fw_event->event_data); |
635374e7 EM |
5568 | #endif |
5569 | } | |
5570 | ||
5571 | /** | |
5572 | * _scsih_sas_broadcast_primative_event - handle broadcast events | |
5573 | * @ioc: per adapter object | |
7b936b02 | 5574 | * @fw_event: The fw_event_work object |
635374e7 EM |
5575 | * Context: user. |
5576 | * | |
5577 | * Return nothing. | |
5578 | */ | |
5579 | static void | |
7b936b02 KD |
5580 | _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc, |
5581 | struct fw_event_work *fw_event) | |
635374e7 EM |
5582 | { |
5583 | struct scsi_cmnd *scmd; | |
ec07a053 | 5584 | struct scsi_device *sdev; |
635374e7 EM |
5585 | u16 smid, handle; |
5586 | u32 lun; | |
5587 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
5588 | u32 termination_count; | |
5589 | u32 query_count; | |
5590 | Mpi2SCSITaskManagementReply_t *mpi_reply; | |
7b936b02 | 5591 | Mpi2EventDataSasBroadcastPrimitive_t *event_data = fw_event->event_data; |
463217bf | 5592 | u16 ioc_status; |
ec07a053 KD |
5593 | unsigned long flags; |
5594 | int r; | |
f93213de KD |
5595 | u8 max_retries = 0; |
5596 | u8 task_abort_retries; | |
ec07a053 | 5597 | |
f93213de KD |
5598 | mutex_lock(&ioc->tm_cmds.mutex); |
5599 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter: phy number(%d), " | |
5600 | "width(%d)\n", ioc->name, __func__, event_data->PhyNum, | |
5601 | event_data->PortWidth)); | |
5602 | ||
5603 | _scsih_block_io_all_device(ioc); | |
635374e7 | 5604 | |
ec07a053 | 5605 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
f93213de KD |
5606 | mpi_reply = ioc->tm_cmds.reply; |
5607 | broadcast_aen_retry: | |
5608 | ||
5609 | /* sanity checks for retrying this loop */ | |
5610 | if (max_retries++ == 5) { | |
5611 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: giving up\n", | |
5612 | ioc->name, __func__)); | |
5613 | goto out; | |
5614 | } else if (max_retries > 1) | |
5615 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: %d retry\n", | |
5616 | ioc->name, __func__, max_retries - 1)); | |
5617 | ||
635374e7 EM |
5618 | termination_count = 0; |
5619 | query_count = 0; | |
595bb0bd | 5620 | for (smid = 1; smid <= ioc->scsiio_depth; smid++) { |
f93213de KD |
5621 | if (ioc->ioc_reset_in_progress_status) |
5622 | goto out; | |
635374e7 EM |
5623 | scmd = _scsih_scsi_lookup_get(ioc, smid); |
5624 | if (!scmd) | |
5625 | continue; | |
ec07a053 KD |
5626 | sdev = scmd->device; |
5627 | sas_device_priv_data = sdev->hostdata; | |
635374e7 EM |
5628 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target) |
5629 | continue; | |
5630 | /* skip hidden raid components */ | |
5631 | if (sas_device_priv_data->sas_target->flags & | |
5632 | MPT_TARGET_FLAGS_RAID_COMPONENT) | |
5633 | continue; | |
5634 | /* skip volumes */ | |
5635 | if (sas_device_priv_data->sas_target->flags & | |
5636 | MPT_TARGET_FLAGS_VOLUME) | |
5637 | continue; | |
5638 | ||
5639 | handle = sas_device_priv_data->sas_target->handle; | |
5640 | lun = sas_device_priv_data->lun; | |
5641 | query_count++; | |
5642 | ||
f93213de KD |
5643 | if (ioc->ioc_reset_in_progress_status) |
5644 | goto out; | |
5645 | ||
ec07a053 | 5646 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
f93213de KD |
5647 | r = mpt2sas_scsih_issue_tm(ioc, handle, 0, 0, lun, |
5648 | MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30, 0, | |
5649 | TM_MUTEX_OFF); | |
5650 | if (r == FAILED) { | |
5651 | sdev_printk(KERN_WARNING, sdev, | |
5652 | "mpt2sas_scsih_issue_tm: FAILED when sending " | |
5653 | "QUERY_TASK: scmd(%p)\n", scmd); | |
5654 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
5655 | goto broadcast_aen_retry; | |
5656 | } | |
463217bf KD |
5657 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) |
5658 | & MPI2_IOCSTATUS_MASK; | |
f93213de KD |
5659 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
5660 | sdev_printk(KERN_WARNING, sdev, "query task: FAILED " | |
5661 | "with IOCSTATUS(0x%04x), scmd(%p)\n", ioc_status, | |
5662 | scmd); | |
5663 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
5664 | goto broadcast_aen_retry; | |
5665 | } | |
5666 | ||
5667 | /* see if IO is still owned by IOC and target */ | |
5668 | if (mpi_reply->ResponseCode == | |
635374e7 EM |
5669 | MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED || |
5670 | mpi_reply->ResponseCode == | |
f93213de | 5671 | MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC) { |
ec07a053 | 5672 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
635374e7 | 5673 | continue; |
ec07a053 | 5674 | } |
f93213de KD |
5675 | task_abort_retries = 0; |
5676 | tm_retry: | |
5677 | if (task_abort_retries++ == 60) { | |
5678 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT | |
5679 | "%s: ABORT_TASK: giving up\n", ioc->name, | |
5680 | __func__)); | |
5681 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
5682 | goto broadcast_aen_retry; | |
5683 | } | |
5684 | ||
5685 | if (ioc->ioc_reset_in_progress_status) | |
5686 | goto out_no_lock; | |
5687 | ||
ec07a053 KD |
5688 | r = mpt2sas_scsih_issue_tm(ioc, handle, sdev->channel, sdev->id, |
5689 | sdev->lun, MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30, | |
f93213de KD |
5690 | scmd->serial_number, TM_MUTEX_OFF); |
5691 | if (r == FAILED) { | |
5692 | sdev_printk(KERN_WARNING, sdev, | |
5693 | "mpt2sas_scsih_issue_tm: ABORT_TASK: FAILED : " | |
ec07a053 | 5694 | "scmd(%p)\n", scmd); |
f93213de KD |
5695 | goto tm_retry; |
5696 | } | |
5697 | ||
5698 | if (task_abort_retries > 1) | |
5699 | sdev_printk(KERN_WARNING, sdev, | |
5700 | "mpt2sas_scsih_issue_tm: ABORT_TASK: RETRIES (%d):" | |
5701 | " scmd(%p)\n", | |
5702 | task_abort_retries - 1, scmd); | |
5703 | ||
635374e7 | 5704 | termination_count += le32_to_cpu(mpi_reply->TerminationCount); |
ec07a053 | 5705 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
635374e7 | 5706 | } |
f93213de KD |
5707 | |
5708 | if (ioc->broadcast_aen_pending) { | |
5709 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: loop back due to" | |
5710 | " pending AEN\n", ioc->name, __func__)); | |
5711 | ioc->broadcast_aen_pending = 0; | |
5712 | goto broadcast_aen_retry; | |
5713 | } | |
5714 | ||
5715 | out: | |
ec07a053 | 5716 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
f93213de | 5717 | out_no_lock: |
635374e7 | 5718 | |
f93213de | 5719 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT |
635374e7 EM |
5720 | "%s - exit, query_count = %d termination_count = %d\n", |
5721 | ioc->name, __func__, query_count, termination_count)); | |
f93213de KD |
5722 | |
5723 | ioc->broadcast_aen_busy = 0; | |
5724 | if (!ioc->ioc_reset_in_progress_status) | |
5725 | _scsih_ublock_io_all_device(ioc); | |
5726 | mutex_unlock(&ioc->tm_cmds.mutex); | |
635374e7 EM |
5727 | } |
5728 | ||
5729 | /** | |
5730 | * _scsih_sas_discovery_event - handle discovery events | |
5731 | * @ioc: per adapter object | |
7b936b02 | 5732 | * @fw_event: The fw_event_work object |
635374e7 EM |
5733 | * Context: user. |
5734 | * | |
5735 | * Return nothing. | |
5736 | */ | |
5737 | static void | |
7b936b02 KD |
5738 | _scsih_sas_discovery_event(struct MPT2SAS_ADAPTER *ioc, |
5739 | struct fw_event_work *fw_event) | |
635374e7 | 5740 | { |
7b936b02 KD |
5741 | Mpi2EventDataSasDiscovery_t *event_data = fw_event->event_data; |
5742 | ||
635374e7 EM |
5743 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
5744 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) { | |
eabb08ad | 5745 | printk(MPT2SAS_INFO_FMT "discovery event: (%s)", ioc->name, |
635374e7 EM |
5746 | (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ? |
5747 | "start" : "stop"); | |
5748 | if (event_data->DiscoveryStatus) | |
595bb0bd KD |
5749 | printk("discovery_status(0x%08x)", |
5750 | le32_to_cpu(event_data->DiscoveryStatus)); | |
635374e7 EM |
5751 | printk("\n"); |
5752 | } | |
5753 | #endif | |
5754 | ||
5755 | if (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED && | |
5756 | !ioc->sas_hba.num_phys) | |
5757 | _scsih_sas_host_add(ioc); | |
5758 | } | |
5759 | ||
5760 | /** | |
5761 | * _scsih_reprobe_lun - reprobing lun | |
5762 | * @sdev: scsi device struct | |
5763 | * @no_uld_attach: sdev->no_uld_attach flag setting | |
5764 | * | |
5765 | **/ | |
5766 | static void | |
5767 | _scsih_reprobe_lun(struct scsi_device *sdev, void *no_uld_attach) | |
5768 | { | |
5769 | int rc; | |
5770 | ||
5771 | sdev->no_uld_attach = no_uld_attach ? 1 : 0; | |
5772 | sdev_printk(KERN_INFO, sdev, "%s raid component\n", | |
5773 | sdev->no_uld_attach ? "hidding" : "exposing"); | |
5774 | rc = scsi_device_reprobe(sdev); | |
5775 | } | |
5776 | ||
5777 | /** | |
5778 | * _scsih_reprobe_target - reprobing target | |
5779 | * @starget: scsi target struct | |
5780 | * @no_uld_attach: sdev->no_uld_attach flag setting | |
5781 | * | |
5782 | * Note: no_uld_attach flag determines whether the disk device is attached | |
5783 | * to block layer. A value of `1` means to not attach. | |
5784 | **/ | |
5785 | static void | |
5786 | _scsih_reprobe_target(struct scsi_target *starget, int no_uld_attach) | |
5787 | { | |
5788 | struct MPT2SAS_TARGET *sas_target_priv_data = starget->hostdata; | |
5789 | ||
5790 | if (no_uld_attach) | |
5791 | sas_target_priv_data->flags |= MPT_TARGET_FLAGS_RAID_COMPONENT; | |
5792 | else | |
5793 | sas_target_priv_data->flags &= ~MPT_TARGET_FLAGS_RAID_COMPONENT; | |
5794 | ||
5795 | starget_for_each_device(starget, no_uld_attach ? (void *)1 : NULL, | |
5796 | _scsih_reprobe_lun); | |
5797 | } | |
5798 | /** | |
5799 | * _scsih_sas_volume_add - add new volume | |
5800 | * @ioc: per adapter object | |
5801 | * @element: IR config element data | |
5802 | * Context: user. | |
5803 | * | |
5804 | * Return nothing. | |
5805 | */ | |
5806 | static void | |
5807 | _scsih_sas_volume_add(struct MPT2SAS_ADAPTER *ioc, | |
5808 | Mpi2EventIrConfigElement_t *element) | |
5809 | { | |
5810 | struct _raid_device *raid_device; | |
5811 | unsigned long flags; | |
5812 | u64 wwid; | |
5813 | u16 handle = le16_to_cpu(element->VolDevHandle); | |
5814 | int rc; | |
5815 | ||
635374e7 EM |
5816 | mpt2sas_config_get_volume_wwid(ioc, handle, &wwid); |
5817 | if (!wwid) { | |
5818 | printk(MPT2SAS_ERR_FMT | |
5819 | "failure at %s:%d/%s()!\n", ioc->name, | |
5820 | __FILE__, __LINE__, __func__); | |
5821 | return; | |
5822 | } | |
5823 | ||
5824 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
5825 | raid_device = _scsih_raid_device_find_by_wwid(ioc, wwid); | |
5826 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
5827 | ||
5828 | if (raid_device) | |
5829 | return; | |
5830 | ||
5831 | raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL); | |
5832 | if (!raid_device) { | |
5833 | printk(MPT2SAS_ERR_FMT | |
5834 | "failure at %s:%d/%s()!\n", ioc->name, | |
5835 | __FILE__, __LINE__, __func__); | |
5836 | return; | |
5837 | } | |
5838 | ||
5839 | raid_device->id = ioc->sas_id++; | |
5840 | raid_device->channel = RAID_CHANNEL; | |
5841 | raid_device->handle = handle; | |
5842 | raid_device->wwid = wwid; | |
5843 | _scsih_raid_device_add(ioc, raid_device); | |
5844 | if (!ioc->wait_for_port_enable_to_complete) { | |
5845 | rc = scsi_add_device(ioc->shost, RAID_CHANNEL, | |
5846 | raid_device->id, 0); | |
5847 | if (rc) | |
5848 | _scsih_raid_device_remove(ioc, raid_device); | |
5849 | } else | |
5850 | _scsih_determine_boot_device(ioc, raid_device, 1); | |
5851 | } | |
5852 | ||
5853 | /** | |
5854 | * _scsih_sas_volume_delete - delete volume | |
5855 | * @ioc: per adapter object | |
f3eedd69 | 5856 | * @handle: volume device handle |
635374e7 EM |
5857 | * Context: user. |
5858 | * | |
5859 | * Return nothing. | |
5860 | */ | |
5861 | static void | |
f3eedd69 | 5862 | _scsih_sas_volume_delete(struct MPT2SAS_ADAPTER *ioc, u16 handle) |
635374e7 EM |
5863 | { |
5864 | struct _raid_device *raid_device; | |
635374e7 EM |
5865 | unsigned long flags; |
5866 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
5867 | ||
635374e7 EM |
5868 | spin_lock_irqsave(&ioc->raid_device_lock, flags); |
5869 | raid_device = _scsih_raid_device_find_by_handle(ioc, handle); | |
5870 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
5871 | if (!raid_device) | |
5872 | return; | |
5873 | if (raid_device->starget) { | |
5874 | sas_target_priv_data = raid_device->starget->hostdata; | |
5875 | sas_target_priv_data->deleted = 1; | |
5876 | scsi_remove_target(&raid_device->starget->dev); | |
5877 | } | |
f3eedd69 KD |
5878 | printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), wwid" |
5879 | "(0x%016llx)\n", ioc->name, raid_device->handle, | |
5880 | (unsigned long long) raid_device->wwid); | |
635374e7 EM |
5881 | _scsih_raid_device_remove(ioc, raid_device); |
5882 | } | |
5883 | ||
5884 | /** | |
5885 | * _scsih_sas_pd_expose - expose pd component to /dev/sdX | |
5886 | * @ioc: per adapter object | |
5887 | * @element: IR config element data | |
5888 | * Context: user. | |
5889 | * | |
5890 | * Return nothing. | |
5891 | */ | |
5892 | static void | |
5893 | _scsih_sas_pd_expose(struct MPT2SAS_ADAPTER *ioc, | |
5894 | Mpi2EventIrConfigElement_t *element) | |
5895 | { | |
5896 | struct _sas_device *sas_device; | |
5897 | unsigned long flags; | |
5898 | u16 handle = le16_to_cpu(element->PhysDiskDevHandle); | |
5899 | ||
5900 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
5901 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
5902 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
5903 | if (!sas_device) | |
5904 | return; | |
5905 | ||
5906 | /* exposing raid component */ | |
5907 | sas_device->volume_handle = 0; | |
5908 | sas_device->volume_wwid = 0; | |
f3eedd69 | 5909 | clear_bit(handle, ioc->pd_handles); |
635374e7 EM |
5910 | _scsih_reprobe_target(sas_device->starget, 0); |
5911 | } | |
5912 | ||
5913 | /** | |
5914 | * _scsih_sas_pd_hide - hide pd component from /dev/sdX | |
5915 | * @ioc: per adapter object | |
5916 | * @element: IR config element data | |
5917 | * Context: user. | |
5918 | * | |
5919 | * Return nothing. | |
5920 | */ | |
5921 | static void | |
5922 | _scsih_sas_pd_hide(struct MPT2SAS_ADAPTER *ioc, | |
5923 | Mpi2EventIrConfigElement_t *element) | |
5924 | { | |
5925 | struct _sas_device *sas_device; | |
5926 | unsigned long flags; | |
5927 | u16 handle = le16_to_cpu(element->PhysDiskDevHandle); | |
5928 | ||
5929 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
5930 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
5931 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
5932 | if (!sas_device) | |
5933 | return; | |
5934 | ||
5935 | /* hiding raid component */ | |
5936 | mpt2sas_config_get_volume_handle(ioc, handle, | |
5937 | &sas_device->volume_handle); | |
5938 | mpt2sas_config_get_volume_wwid(ioc, sas_device->volume_handle, | |
5939 | &sas_device->volume_wwid); | |
f3eedd69 | 5940 | set_bit(handle, ioc->pd_handles); |
635374e7 | 5941 | _scsih_reprobe_target(sas_device->starget, 1); |
0bdccdb0 | 5942 | |
635374e7 EM |
5943 | } |
5944 | ||
5945 | /** | |
5946 | * _scsih_sas_pd_delete - delete pd component | |
5947 | * @ioc: per adapter object | |
5948 | * @element: IR config element data | |
5949 | * Context: user. | |
5950 | * | |
5951 | * Return nothing. | |
5952 | */ | |
5953 | static void | |
5954 | _scsih_sas_pd_delete(struct MPT2SAS_ADAPTER *ioc, | |
5955 | Mpi2EventIrConfigElement_t *element) | |
5956 | { | |
5957 | struct _sas_device *sas_device; | |
5958 | unsigned long flags; | |
5959 | u16 handle = le16_to_cpu(element->PhysDiskDevHandle); | |
5960 | ||
5961 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
5962 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
5963 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
5964 | if (!sas_device) | |
5965 | return; | |
c5e039be | 5966 | _scsih_remove_device(ioc, sas_device); |
635374e7 EM |
5967 | } |
5968 | ||
5969 | /** | |
5970 | * _scsih_sas_pd_add - remove pd component | |
5971 | * @ioc: per adapter object | |
5972 | * @element: IR config element data | |
5973 | * Context: user. | |
5974 | * | |
5975 | * Return nothing. | |
5976 | */ | |
5977 | static void | |
5978 | _scsih_sas_pd_add(struct MPT2SAS_ADAPTER *ioc, | |
5979 | Mpi2EventIrConfigElement_t *element) | |
5980 | { | |
5981 | struct _sas_device *sas_device; | |
5982 | unsigned long flags; | |
5983 | u16 handle = le16_to_cpu(element->PhysDiskDevHandle); | |
62727a7b KD |
5984 | Mpi2ConfigReply_t mpi_reply; |
5985 | Mpi2SasDevicePage0_t sas_device_pg0; | |
5986 | u32 ioc_status; | |
c5e039be KD |
5987 | u64 sas_address; |
5988 | u16 parent_handle; | |
635374e7 | 5989 | |
f3eedd69 KD |
5990 | set_bit(handle, ioc->pd_handles); |
5991 | ||
635374e7 EM |
5992 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
5993 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
5994 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
f3eedd69 | 5995 | if (sas_device) |
62727a7b | 5996 | return; |
62727a7b KD |
5997 | |
5998 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, | |
5999 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { | |
6000 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
6001 | ioc->name, __FILE__, __LINE__, __func__); | |
6002 | return; | |
6003 | } | |
6004 | ||
6005 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
6006 | MPI2_IOCSTATUS_MASK; | |
6007 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
6008 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
6009 | ioc->name, __FILE__, __LINE__, __func__); | |
6010 | return; | |
6011 | } | |
6012 | ||
c5e039be KD |
6013 | parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); |
6014 | if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) | |
6015 | mpt2sas_transport_update_links(ioc, sas_address, handle, | |
6016 | sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5); | |
62727a7b KD |
6017 | |
6018 | _scsih_add_device(ioc, handle, 0, 1); | |
635374e7 EM |
6019 | } |
6020 | ||
6021 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
6022 | /** | |
6023 | * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events | |
6024 | * @ioc: per adapter object | |
6025 | * @event_data: event data payload | |
6026 | * Context: user. | |
6027 | * | |
6028 | * Return nothing. | |
6029 | */ | |
6030 | static void | |
6031 | _scsih_sas_ir_config_change_event_debug(struct MPT2SAS_ADAPTER *ioc, | |
6032 | Mpi2EventDataIrConfigChangeList_t *event_data) | |
6033 | { | |
6034 | Mpi2EventIrConfigElement_t *element; | |
6035 | u8 element_type; | |
6036 | int i; | |
6037 | char *reason_str = NULL, *element_str = NULL; | |
6038 | ||
6039 | element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; | |
6040 | ||
eabb08ad | 6041 | printk(MPT2SAS_INFO_FMT "raid config change: (%s), elements(%d)\n", |
635374e7 EM |
6042 | ioc->name, (le32_to_cpu(event_data->Flags) & |
6043 | MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? | |
6044 | "foreign" : "native", event_data->NumElements); | |
6045 | for (i = 0; i < event_data->NumElements; i++, element++) { | |
6046 | switch (element->ReasonCode) { | |
6047 | case MPI2_EVENT_IR_CHANGE_RC_ADDED: | |
6048 | reason_str = "add"; | |
6049 | break; | |
6050 | case MPI2_EVENT_IR_CHANGE_RC_REMOVED: | |
6051 | reason_str = "remove"; | |
6052 | break; | |
6053 | case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE: | |
6054 | reason_str = "no change"; | |
6055 | break; | |
6056 | case MPI2_EVENT_IR_CHANGE_RC_HIDE: | |
6057 | reason_str = "hide"; | |
6058 | break; | |
6059 | case MPI2_EVENT_IR_CHANGE_RC_UNHIDE: | |
6060 | reason_str = "unhide"; | |
6061 | break; | |
6062 | case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: | |
6063 | reason_str = "volume_created"; | |
6064 | break; | |
6065 | case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: | |
6066 | reason_str = "volume_deleted"; | |
6067 | break; | |
6068 | case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: | |
6069 | reason_str = "pd_created"; | |
6070 | break; | |
6071 | case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: | |
6072 | reason_str = "pd_deleted"; | |
6073 | break; | |
6074 | default: | |
6075 | reason_str = "unknown reason"; | |
6076 | break; | |
6077 | } | |
6078 | element_type = le16_to_cpu(element->ElementFlags) & | |
6079 | MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK; | |
6080 | switch (element_type) { | |
6081 | case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT: | |
6082 | element_str = "volume"; | |
6083 | break; | |
6084 | case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT: | |
6085 | element_str = "phys disk"; | |
6086 | break; | |
6087 | case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT: | |
6088 | element_str = "hot spare"; | |
6089 | break; | |
6090 | default: | |
6091 | element_str = "unknown element"; | |
6092 | break; | |
6093 | } | |
eabb08ad | 6094 | printk(KERN_INFO "\t(%s:%s), vol handle(0x%04x), " |
635374e7 EM |
6095 | "pd handle(0x%04x), pd num(0x%02x)\n", element_str, |
6096 | reason_str, le16_to_cpu(element->VolDevHandle), | |
6097 | le16_to_cpu(element->PhysDiskDevHandle), | |
6098 | element->PhysDiskNum); | |
6099 | } | |
6100 | } | |
6101 | #endif | |
6102 | ||
6103 | /** | |
6104 | * _scsih_sas_ir_config_change_event - handle ir configuration change events | |
6105 | * @ioc: per adapter object | |
7b936b02 | 6106 | * @fw_event: The fw_event_work object |
635374e7 EM |
6107 | * Context: user. |
6108 | * | |
6109 | * Return nothing. | |
6110 | */ | |
6111 | static void | |
7b936b02 KD |
6112 | _scsih_sas_ir_config_change_event(struct MPT2SAS_ADAPTER *ioc, |
6113 | struct fw_event_work *fw_event) | |
635374e7 EM |
6114 | { |
6115 | Mpi2EventIrConfigElement_t *element; | |
6116 | int i; | |
62727a7b | 6117 | u8 foreign_config; |
7b936b02 | 6118 | Mpi2EventDataIrConfigChangeList_t *event_data = fw_event->event_data; |
635374e7 EM |
6119 | |
6120 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
0bdccdb0 KD |
6121 | if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) |
6122 | && !ioc->hide_ir_msg) | |
635374e7 EM |
6123 | _scsih_sas_ir_config_change_event_debug(ioc, event_data); |
6124 | ||
6125 | #endif | |
62727a7b KD |
6126 | foreign_config = (le32_to_cpu(event_data->Flags) & |
6127 | MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0; | |
635374e7 EM |
6128 | |
6129 | element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; | |
6130 | for (i = 0; i < event_data->NumElements; i++, element++) { | |
6131 | ||
6132 | switch (element->ReasonCode) { | |
6133 | case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: | |
6134 | case MPI2_EVENT_IR_CHANGE_RC_ADDED: | |
62727a7b KD |
6135 | if (!foreign_config) |
6136 | _scsih_sas_volume_add(ioc, element); | |
635374e7 EM |
6137 | break; |
6138 | case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: | |
6139 | case MPI2_EVENT_IR_CHANGE_RC_REMOVED: | |
62727a7b | 6140 | if (!foreign_config) |
f3eedd69 KD |
6141 | _scsih_sas_volume_delete(ioc, |
6142 | le16_to_cpu(element->VolDevHandle)); | |
635374e7 EM |
6143 | break; |
6144 | case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: | |
0bdccdb0 KD |
6145 | if (!ioc->is_warpdrive) |
6146 | _scsih_sas_pd_hide(ioc, element); | |
635374e7 EM |
6147 | break; |
6148 | case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: | |
0bdccdb0 KD |
6149 | if (!ioc->is_warpdrive) |
6150 | _scsih_sas_pd_expose(ioc, element); | |
635374e7 EM |
6151 | break; |
6152 | case MPI2_EVENT_IR_CHANGE_RC_HIDE: | |
0bdccdb0 KD |
6153 | if (!ioc->is_warpdrive) |
6154 | _scsih_sas_pd_add(ioc, element); | |
635374e7 EM |
6155 | break; |
6156 | case MPI2_EVENT_IR_CHANGE_RC_UNHIDE: | |
0bdccdb0 KD |
6157 | if (!ioc->is_warpdrive) |
6158 | _scsih_sas_pd_delete(ioc, element); | |
635374e7 EM |
6159 | break; |
6160 | } | |
6161 | } | |
6162 | } | |
6163 | ||
6164 | /** | |
6165 | * _scsih_sas_ir_volume_event - IR volume event | |
6166 | * @ioc: per adapter object | |
7b936b02 | 6167 | * @fw_event: The fw_event_work object |
635374e7 EM |
6168 | * Context: user. |
6169 | * | |
6170 | * Return nothing. | |
6171 | */ | |
6172 | static void | |
7b936b02 KD |
6173 | _scsih_sas_ir_volume_event(struct MPT2SAS_ADAPTER *ioc, |
6174 | struct fw_event_work *fw_event) | |
635374e7 EM |
6175 | { |
6176 | u64 wwid; | |
6177 | unsigned long flags; | |
6178 | struct _raid_device *raid_device; | |
6179 | u16 handle; | |
6180 | u32 state; | |
6181 | int rc; | |
7b936b02 | 6182 | Mpi2EventDataIrVolume_t *event_data = fw_event->event_data; |
635374e7 EM |
6183 | |
6184 | if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED) | |
6185 | return; | |
6186 | ||
6187 | handle = le16_to_cpu(event_data->VolDevHandle); | |
6188 | state = le32_to_cpu(event_data->NewValue); | |
0bdccdb0 KD |
6189 | if (!ioc->hide_ir_msg) |
6190 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle(0x%04x), " | |
6191 | "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle, | |
6192 | le32_to_cpu(event_data->PreviousValue), state)); | |
635374e7 | 6193 | |
635374e7 EM |
6194 | switch (state) { |
6195 | case MPI2_RAID_VOL_STATE_MISSING: | |
6196 | case MPI2_RAID_VOL_STATE_FAILED: | |
f3eedd69 | 6197 | _scsih_sas_volume_delete(ioc, handle); |
635374e7 EM |
6198 | break; |
6199 | ||
6200 | case MPI2_RAID_VOL_STATE_ONLINE: | |
6201 | case MPI2_RAID_VOL_STATE_DEGRADED: | |
6202 | case MPI2_RAID_VOL_STATE_OPTIMAL: | |
f3eedd69 KD |
6203 | |
6204 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
6205 | raid_device = _scsih_raid_device_find_by_handle(ioc, handle); | |
6206 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
6207 | ||
635374e7 EM |
6208 | if (raid_device) |
6209 | break; | |
6210 | ||
6211 | mpt2sas_config_get_volume_wwid(ioc, handle, &wwid); | |
6212 | if (!wwid) { | |
6213 | printk(MPT2SAS_ERR_FMT | |
6214 | "failure at %s:%d/%s()!\n", ioc->name, | |
6215 | __FILE__, __LINE__, __func__); | |
6216 | break; | |
6217 | } | |
6218 | ||
6219 | raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL); | |
6220 | if (!raid_device) { | |
6221 | printk(MPT2SAS_ERR_FMT | |
6222 | "failure at %s:%d/%s()!\n", ioc->name, | |
6223 | __FILE__, __LINE__, __func__); | |
6224 | break; | |
6225 | } | |
6226 | ||
6227 | raid_device->id = ioc->sas_id++; | |
6228 | raid_device->channel = RAID_CHANNEL; | |
6229 | raid_device->handle = handle; | |
6230 | raid_device->wwid = wwid; | |
6231 | _scsih_raid_device_add(ioc, raid_device); | |
6232 | rc = scsi_add_device(ioc->shost, RAID_CHANNEL, | |
6233 | raid_device->id, 0); | |
6234 | if (rc) | |
6235 | _scsih_raid_device_remove(ioc, raid_device); | |
6236 | break; | |
6237 | ||
6238 | case MPI2_RAID_VOL_STATE_INITIALIZING: | |
6239 | default: | |
6240 | break; | |
6241 | } | |
6242 | } | |
6243 | ||
6244 | /** | |
6245 | * _scsih_sas_ir_physical_disk_event - PD event | |
6246 | * @ioc: per adapter object | |
7b936b02 | 6247 | * @fw_event: The fw_event_work object |
635374e7 EM |
6248 | * Context: user. |
6249 | * | |
6250 | * Return nothing. | |
6251 | */ | |
6252 | static void | |
7b936b02 KD |
6253 | _scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER *ioc, |
6254 | struct fw_event_work *fw_event) | |
635374e7 | 6255 | { |
c5e039be | 6256 | u16 handle, parent_handle; |
635374e7 EM |
6257 | u32 state; |
6258 | struct _sas_device *sas_device; | |
6259 | unsigned long flags; | |
62727a7b KD |
6260 | Mpi2ConfigReply_t mpi_reply; |
6261 | Mpi2SasDevicePage0_t sas_device_pg0; | |
6262 | u32 ioc_status; | |
7b936b02 | 6263 | Mpi2EventDataIrPhysicalDisk_t *event_data = fw_event->event_data; |
c5e039be | 6264 | u64 sas_address; |
635374e7 EM |
6265 | |
6266 | if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED) | |
6267 | return; | |
6268 | ||
6269 | handle = le16_to_cpu(event_data->PhysDiskDevHandle); | |
6270 | state = le32_to_cpu(event_data->NewValue); | |
6271 | ||
0bdccdb0 KD |
6272 | if (!ioc->hide_ir_msg) |
6273 | dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle(0x%04x), " | |
6274 | "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle, | |
6275 | le32_to_cpu(event_data->PreviousValue), state)); | |
635374e7 | 6276 | |
635374e7 | 6277 | switch (state) { |
635374e7 EM |
6278 | case MPI2_RAID_PD_STATE_ONLINE: |
6279 | case MPI2_RAID_PD_STATE_DEGRADED: | |
6280 | case MPI2_RAID_PD_STATE_REBUILDING: | |
6281 | case MPI2_RAID_PD_STATE_OPTIMAL: | |
f3eedd69 KD |
6282 | case MPI2_RAID_PD_STATE_HOT_SPARE: |
6283 | ||
0bdccdb0 KD |
6284 | if (!ioc->is_warpdrive) |
6285 | set_bit(handle, ioc->pd_handles); | |
f3eedd69 KD |
6286 | |
6287 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
6288 | sas_device = _scsih_sas_device_find_by_handle(ioc, handle); | |
6289 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
6290 | ||
6291 | if (sas_device) | |
62727a7b | 6292 | return; |
62727a7b KD |
6293 | |
6294 | if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, | |
6295 | &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, | |
6296 | handle))) { | |
6297 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
6298 | ioc->name, __FILE__, __LINE__, __func__); | |
6299 | return; | |
6300 | } | |
6301 | ||
6302 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
6303 | MPI2_IOCSTATUS_MASK; | |
6304 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
6305 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
6306 | ioc->name, __FILE__, __LINE__, __func__); | |
6307 | return; | |
6308 | } | |
6309 | ||
c5e039be KD |
6310 | parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); |
6311 | if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) | |
6312 | mpt2sas_transport_update_links(ioc, sas_address, handle, | |
6313 | sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5); | |
62727a7b KD |
6314 | |
6315 | _scsih_add_device(ioc, handle, 0, 1); | |
6316 | ||
635374e7 EM |
6317 | break; |
6318 | ||
62727a7b | 6319 | case MPI2_RAID_PD_STATE_OFFLINE: |
635374e7 EM |
6320 | case MPI2_RAID_PD_STATE_NOT_CONFIGURED: |
6321 | case MPI2_RAID_PD_STATE_NOT_COMPATIBLE: | |
635374e7 EM |
6322 | default: |
6323 | break; | |
6324 | } | |
6325 | } | |
6326 | ||
6327 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
6328 | /** | |
6329 | * _scsih_sas_ir_operation_status_event_debug - debug for IR op event | |
6330 | * @ioc: per adapter object | |
6331 | * @event_data: event data payload | |
6332 | * Context: user. | |
6333 | * | |
6334 | * Return nothing. | |
6335 | */ | |
6336 | static void | |
6337 | _scsih_sas_ir_operation_status_event_debug(struct MPT2SAS_ADAPTER *ioc, | |
6338 | Mpi2EventDataIrOperationStatus_t *event_data) | |
6339 | { | |
6340 | char *reason_str = NULL; | |
6341 | ||
6342 | switch (event_data->RAIDOperation) { | |
6343 | case MPI2_EVENT_IR_RAIDOP_RESYNC: | |
6344 | reason_str = "resync"; | |
6345 | break; | |
6346 | case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION: | |
6347 | reason_str = "online capacity expansion"; | |
6348 | break; | |
6349 | case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK: | |
6350 | reason_str = "consistency check"; | |
6351 | break; | |
ec6c2b43 KD |
6352 | case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT: |
6353 | reason_str = "background init"; | |
6354 | break; | |
6355 | case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT: | |
6356 | reason_str = "make data consistent"; | |
635374e7 EM |
6357 | break; |
6358 | } | |
6359 | ||
ec6c2b43 KD |
6360 | if (!reason_str) |
6361 | return; | |
6362 | ||
635374e7 EM |
6363 | printk(MPT2SAS_INFO_FMT "raid operational status: (%s)" |
6364 | "\thandle(0x%04x), percent complete(%d)\n", | |
6365 | ioc->name, reason_str, | |
6366 | le16_to_cpu(event_data->VolDevHandle), | |
6367 | event_data->PercentComplete); | |
6368 | } | |
6369 | #endif | |
6370 | ||
6371 | /** | |
6372 | * _scsih_sas_ir_operation_status_event - handle RAID operation events | |
6373 | * @ioc: per adapter object | |
7b936b02 | 6374 | * @fw_event: The fw_event_work object |
635374e7 EM |
6375 | * Context: user. |
6376 | * | |
6377 | * Return nothing. | |
6378 | */ | |
6379 | static void | |
7b936b02 KD |
6380 | _scsih_sas_ir_operation_status_event(struct MPT2SAS_ADAPTER *ioc, |
6381 | struct fw_event_work *fw_event) | |
635374e7 | 6382 | { |
f7c95ef0 KD |
6383 | Mpi2EventDataIrOperationStatus_t *event_data = fw_event->event_data; |
6384 | static struct _raid_device *raid_device; | |
6385 | unsigned long flags; | |
6386 | u16 handle; | |
6387 | ||
635374e7 | 6388 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
0bdccdb0 KD |
6389 | if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) |
6390 | && !ioc->hide_ir_msg) | |
7b936b02 | 6391 | _scsih_sas_ir_operation_status_event_debug(ioc, |
f7c95ef0 | 6392 | event_data); |
635374e7 | 6393 | #endif |
f7c95ef0 KD |
6394 | |
6395 | /* code added for raid transport support */ | |
6396 | if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) { | |
6397 | ||
6398 | handle = le16_to_cpu(event_data->VolDevHandle); | |
6399 | ||
6400 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
6401 | raid_device = _scsih_raid_device_find_by_handle(ioc, handle); | |
6402 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
6403 | ||
6404 | if (!raid_device) | |
6405 | return; | |
6406 | ||
6407 | if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) | |
6408 | raid_device->percent_complete = | |
6409 | event_data->PercentComplete; | |
6410 | } | |
635374e7 EM |
6411 | } |
6412 | ||
14695853 KD |
6413 | /** |
6414 | * _scsih_prep_device_scan - initialize parameters prior to device scan | |
6415 | * @ioc: per adapter object | |
6416 | * | |
6417 | * Set the deleted flag prior to device scan. If the device is found during | |
6418 | * the scan, then we clear the deleted flag. | |
6419 | */ | |
6420 | static void | |
6421 | _scsih_prep_device_scan(struct MPT2SAS_ADAPTER *ioc) | |
6422 | { | |
6423 | struct MPT2SAS_DEVICE *sas_device_priv_data; | |
6424 | struct scsi_device *sdev; | |
6425 | ||
6426 | shost_for_each_device(sdev, ioc->shost) { | |
6427 | sas_device_priv_data = sdev->hostdata; | |
6428 | if (sas_device_priv_data && sas_device_priv_data->sas_target) | |
6429 | sas_device_priv_data->sas_target->deleted = 1; | |
6430 | } | |
6431 | } | |
6432 | ||
635374e7 EM |
6433 | /** |
6434 | * _scsih_mark_responding_sas_device - mark a sas_devices as responding | |
6435 | * @ioc: per adapter object | |
6436 | * @sas_address: sas address | |
6437 | * @slot: enclosure slot id | |
6438 | * @handle: device handle | |
6439 | * | |
6440 | * After host reset, find out whether devices are still responding. | |
6441 | * Used in _scsi_remove_unresponsive_sas_devices. | |
6442 | * | |
6443 | * Return nothing. | |
6444 | */ | |
6445 | static void | |
6446 | _scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, | |
6447 | u16 slot, u16 handle) | |
6448 | { | |
0bdccdb0 | 6449 | struct MPT2SAS_TARGET *sas_target_priv_data = NULL; |
635374e7 EM |
6450 | struct scsi_target *starget; |
6451 | struct _sas_device *sas_device; | |
6452 | unsigned long flags; | |
6453 | ||
6454 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
6455 | list_for_each_entry(sas_device, &ioc->sas_device_list, list) { | |
6456 | if (sas_device->sas_address == sas_address && | |
0bdccdb0 | 6457 | sas_device->slot == slot) { |
635374e7 | 6458 | sas_device->responding = 1; |
77e63ed4 | 6459 | starget = sas_device->starget; |
14695853 KD |
6460 | if (starget && starget->hostdata) { |
6461 | sas_target_priv_data = starget->hostdata; | |
6462 | sas_target_priv_data->tm_busy = 0; | |
6463 | sas_target_priv_data->deleted = 0; | |
6464 | } else | |
6465 | sas_target_priv_data = NULL; | |
0bdccdb0 KD |
6466 | if (starget) |
6467 | starget_printk(KERN_INFO, starget, | |
6468 | "handle(0x%04x), sas_addr(0x%016llx), " | |
6469 | "enclosure logical id(0x%016llx), " | |
6470 | "slot(%d)\n", handle, | |
6471 | (unsigned long long)sas_device->sas_address, | |
6472 | (unsigned long long) | |
6473 | sas_device->enclosure_logical_id, | |
6474 | sas_device->slot); | |
635374e7 EM |
6475 | if (sas_device->handle == handle) |
6476 | goto out; | |
6477 | printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n", | |
6478 | sas_device->handle); | |
6479 | sas_device->handle = handle; | |
14695853 KD |
6480 | if (sas_target_priv_data) |
6481 | sas_target_priv_data->handle = handle; | |
635374e7 EM |
6482 | goto out; |
6483 | } | |
6484 | } | |
6485 | out: | |
6486 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
6487 | } | |
6488 | ||
6489 | /** | |
6490 | * _scsih_search_responding_sas_devices - | |
6491 | * @ioc: per adapter object | |
6492 | * | |
6493 | * After host reset, find out whether devices are still responding. | |
6494 | * If not remove. | |
6495 | * | |
6496 | * Return nothing. | |
6497 | */ | |
6498 | static void | |
6499 | _scsih_search_responding_sas_devices(struct MPT2SAS_ADAPTER *ioc) | |
6500 | { | |
6501 | Mpi2SasDevicePage0_t sas_device_pg0; | |
6502 | Mpi2ConfigReply_t mpi_reply; | |
6503 | u16 ioc_status; | |
6504 | __le64 sas_address; | |
6505 | u16 handle; | |
6506 | u32 device_info; | |
6507 | u16 slot; | |
6508 | ||
6509 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__); | |
6510 | ||
6511 | if (list_empty(&ioc->sas_device_list)) | |
6512 | return; | |
6513 | ||
6514 | handle = 0xFFFF; | |
6515 | while (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, | |
6516 | &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, | |
6517 | handle))) { | |
6518 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
6519 | MPI2_IOCSTATUS_MASK; | |
6520 | if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) | |
6521 | break; | |
6522 | handle = le16_to_cpu(sas_device_pg0.DevHandle); | |
6523 | device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); | |
6524 | if (!(_scsih_is_end_device(device_info))) | |
6525 | continue; | |
6526 | sas_address = le64_to_cpu(sas_device_pg0.SASAddress); | |
6527 | slot = le16_to_cpu(sas_device_pg0.Slot); | |
6528 | _scsih_mark_responding_sas_device(ioc, sas_address, slot, | |
6529 | handle); | |
6530 | } | |
6531 | } | |
6532 | ||
6533 | /** | |
6534 | * _scsih_mark_responding_raid_device - mark a raid_device as responding | |
6535 | * @ioc: per adapter object | |
6536 | * @wwid: world wide identifier for raid volume | |
6537 | * @handle: device handle | |
6538 | * | |
6539 | * After host reset, find out whether devices are still responding. | |
6540 | * Used in _scsi_remove_unresponsive_raid_devices. | |
6541 | * | |
6542 | * Return nothing. | |
6543 | */ | |
6544 | static void | |
6545 | _scsih_mark_responding_raid_device(struct MPT2SAS_ADAPTER *ioc, u64 wwid, | |
6546 | u16 handle) | |
6547 | { | |
6548 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
6549 | struct scsi_target *starget; | |
6550 | struct _raid_device *raid_device; | |
6551 | unsigned long flags; | |
6552 | ||
6553 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
6554 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { | |
6555 | if (raid_device->wwid == wwid && raid_device->starget) { | |
14695853 KD |
6556 | starget = raid_device->starget; |
6557 | if (starget && starget->hostdata) { | |
6558 | sas_target_priv_data = starget->hostdata; | |
6559 | sas_target_priv_data->deleted = 0; | |
6560 | } else | |
6561 | sas_target_priv_data = NULL; | |
635374e7 EM |
6562 | raid_device->responding = 1; |
6563 | starget_printk(KERN_INFO, raid_device->starget, | |
6564 | "handle(0x%04x), wwid(0x%016llx)\n", handle, | |
6565 | (unsigned long long)raid_device->wwid); | |
0bdccdb0 KD |
6566 | /* |
6567 | * WARPDRIVE: The handles of the PDs might have changed | |
6568 | * across the host reset so re-initialize the | |
6569 | * required data for Direct IO | |
6570 | */ | |
6571 | _scsih_init_warpdrive_properties(ioc, raid_device); | |
635374e7 EM |
6572 | if (raid_device->handle == handle) |
6573 | goto out; | |
6574 | printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n", | |
6575 | raid_device->handle); | |
6576 | raid_device->handle = handle; | |
14695853 KD |
6577 | if (sas_target_priv_data) |
6578 | sas_target_priv_data->handle = handle; | |
635374e7 EM |
6579 | goto out; |
6580 | } | |
6581 | } | |
6582 | out: | |
6583 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
6584 | } | |
6585 | ||
6586 | /** | |
6587 | * _scsih_search_responding_raid_devices - | |
6588 | * @ioc: per adapter object | |
6589 | * | |
6590 | * After host reset, find out whether devices are still responding. | |
6591 | * If not remove. | |
6592 | * | |
6593 | * Return nothing. | |
6594 | */ | |
6595 | static void | |
6596 | _scsih_search_responding_raid_devices(struct MPT2SAS_ADAPTER *ioc) | |
6597 | { | |
6598 | Mpi2RaidVolPage1_t volume_pg1; | |
d417d1c3 | 6599 | Mpi2RaidVolPage0_t volume_pg0; |
f3eedd69 | 6600 | Mpi2RaidPhysDiskPage0_t pd_pg0; |
635374e7 EM |
6601 | Mpi2ConfigReply_t mpi_reply; |
6602 | u16 ioc_status; | |
6603 | u16 handle; | |
f3eedd69 | 6604 | u8 phys_disk_num; |
635374e7 EM |
6605 | |
6606 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__); | |
6607 | ||
6608 | if (list_empty(&ioc->raid_device_list)) | |
6609 | return; | |
6610 | ||
6611 | handle = 0xFFFF; | |
6612 | while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply, | |
6613 | &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) { | |
6614 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
6615 | MPI2_IOCSTATUS_MASK; | |
6616 | if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) | |
6617 | break; | |
6618 | handle = le16_to_cpu(volume_pg1.DevHandle); | |
d417d1c3 KD |
6619 | |
6620 | if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, | |
6621 | &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle, | |
6622 | sizeof(Mpi2RaidVolPage0_t))) | |
6623 | continue; | |
6624 | ||
6625 | if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL || | |
6626 | volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE || | |
6627 | volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED) | |
6628 | _scsih_mark_responding_raid_device(ioc, | |
6629 | le64_to_cpu(volume_pg1.WWID), handle); | |
635374e7 | 6630 | } |
f3eedd69 KD |
6631 | |
6632 | /* refresh the pd_handles */ | |
0bdccdb0 KD |
6633 | if (!ioc->is_warpdrive) { |
6634 | phys_disk_num = 0xFF; | |
6635 | memset(ioc->pd_handles, 0, ioc->pd_handles_sz); | |
6636 | while (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply, | |
6637 | &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM, | |
6638 | phys_disk_num))) { | |
6639 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
6640 | MPI2_IOCSTATUS_MASK; | |
6641 | if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) | |
6642 | break; | |
6643 | phys_disk_num = pd_pg0.PhysDiskNum; | |
6644 | handle = le16_to_cpu(pd_pg0.DevHandle); | |
6645 | set_bit(handle, ioc->pd_handles); | |
6646 | } | |
f3eedd69 | 6647 | } |
635374e7 EM |
6648 | } |
6649 | ||
6650 | /** | |
6651 | * _scsih_mark_responding_expander - mark a expander as responding | |
6652 | * @ioc: per adapter object | |
6653 | * @sas_address: sas address | |
6654 | * @handle: | |
6655 | * | |
6656 | * After host reset, find out whether devices are still responding. | |
6657 | * Used in _scsi_remove_unresponsive_expanders. | |
6658 | * | |
6659 | * Return nothing. | |
6660 | */ | |
6661 | static void | |
6662 | _scsih_mark_responding_expander(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, | |
6663 | u16 handle) | |
6664 | { | |
6665 | struct _sas_node *sas_expander; | |
6666 | unsigned long flags; | |
c5e039be | 6667 | int i; |
635374e7 EM |
6668 | |
6669 | spin_lock_irqsave(&ioc->sas_node_lock, flags); | |
6670 | list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { | |
c5e039be KD |
6671 | if (sas_expander->sas_address != sas_address) |
6672 | continue; | |
6673 | sas_expander->responding = 1; | |
6674 | if (sas_expander->handle == handle) | |
635374e7 | 6675 | goto out; |
c5e039be KD |
6676 | printk(KERN_INFO "\texpander(0x%016llx): handle changed" |
6677 | " from(0x%04x) to (0x%04x)!!!\n", | |
6678 | (unsigned long long)sas_expander->sas_address, | |
6679 | sas_expander->handle, handle); | |
6680 | sas_expander->handle = handle; | |
6681 | for (i = 0 ; i < sas_expander->num_phys ; i++) | |
6682 | sas_expander->phy[i].handle = handle; | |
6683 | goto out; | |
635374e7 EM |
6684 | } |
6685 | out: | |
6686 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); | |
6687 | } | |
6688 | ||
6689 | /** | |
6690 | * _scsih_search_responding_expanders - | |
6691 | * @ioc: per adapter object | |
6692 | * | |
6693 | * After host reset, find out whether devices are still responding. | |
6694 | * If not remove. | |
6695 | * | |
6696 | * Return nothing. | |
6697 | */ | |
6698 | static void | |
6699 | _scsih_search_responding_expanders(struct MPT2SAS_ADAPTER *ioc) | |
6700 | { | |
6701 | Mpi2ExpanderPage0_t expander_pg0; | |
6702 | Mpi2ConfigReply_t mpi_reply; | |
6703 | u16 ioc_status; | |
c97951ec | 6704 | u64 sas_address; |
635374e7 EM |
6705 | u16 handle; |
6706 | ||
6707 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__); | |
6708 | ||
6709 | if (list_empty(&ioc->sas_expander_list)) | |
6710 | return; | |
6711 | ||
6712 | handle = 0xFFFF; | |
6713 | while (!(mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, | |
6714 | MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) { | |
6715 | ||
6716 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & | |
6717 | MPI2_IOCSTATUS_MASK; | |
6718 | if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) | |
6719 | break; | |
6720 | ||
6721 | handle = le16_to_cpu(expander_pg0.DevHandle); | |
6722 | sas_address = le64_to_cpu(expander_pg0.SASAddress); | |
6723 | printk(KERN_INFO "\texpander present: handle(0x%04x), " | |
6724 | "sas_addr(0x%016llx)\n", handle, | |
6725 | (unsigned long long)sas_address); | |
6726 | _scsih_mark_responding_expander(ioc, sas_address, handle); | |
6727 | } | |
6728 | ||
6729 | } | |
6730 | ||
6731 | /** | |
f1c35e6a | 6732 | * _scsih_remove_unresponding_sas_devices - removing unresponding devices |
635374e7 EM |
6733 | * @ioc: per adapter object |
6734 | * | |
6735 | * Return nothing. | |
6736 | */ | |
6737 | static void | |
f1c35e6a | 6738 | _scsih_remove_unresponding_sas_devices(struct MPT2SAS_ADAPTER *ioc) |
635374e7 EM |
6739 | { |
6740 | struct _sas_device *sas_device, *sas_device_next; | |
cd4e12e8 | 6741 | struct _sas_node *sas_expander; |
635374e7 | 6742 | struct _raid_device *raid_device, *raid_device_next; |
635374e7 | 6743 | |
635374e7 EM |
6744 | |
6745 | list_for_each_entry_safe(sas_device, sas_device_next, | |
6746 | &ioc->sas_device_list, list) { | |
6747 | if (sas_device->responding) { | |
6748 | sas_device->responding = 0; | |
6749 | continue; | |
6750 | } | |
6751 | if (sas_device->starget) | |
6752 | starget_printk(KERN_INFO, sas_device->starget, | |
6753 | "removing: handle(0x%04x), sas_addr(0x%016llx), " | |
6754 | "enclosure logical id(0x%016llx), slot(%d)\n", | |
6755 | sas_device->handle, | |
6756 | (unsigned long long)sas_device->sas_address, | |
6757 | (unsigned long long) | |
6758 | sas_device->enclosure_logical_id, | |
6759 | sas_device->slot); | |
c5e039be | 6760 | _scsih_remove_device(ioc, sas_device); |
635374e7 EM |
6761 | } |
6762 | ||
6763 | list_for_each_entry_safe(raid_device, raid_device_next, | |
6764 | &ioc->raid_device_list, list) { | |
6765 | if (raid_device->responding) { | |
6766 | raid_device->responding = 0; | |
6767 | continue; | |
6768 | } | |
6769 | if (raid_device->starget) { | |
6770 | starget_printk(KERN_INFO, raid_device->starget, | |
6771 | "removing: handle(0x%04x), wwid(0x%016llx)\n", | |
6772 | raid_device->handle, | |
6773 | (unsigned long long)raid_device->wwid); | |
6774 | scsi_remove_target(&raid_device->starget->dev); | |
6775 | } | |
6776 | _scsih_raid_device_remove(ioc, raid_device); | |
6777 | } | |
6778 | ||
cd4e12e8 KD |
6779 | retry_expander_search: |
6780 | sas_expander = NULL; | |
6781 | list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { | |
635374e7 EM |
6782 | if (sas_expander->responding) { |
6783 | sas_expander->responding = 0; | |
6784 | continue; | |
6785 | } | |
7f6f794d | 6786 | mpt2sas_expander_remove(ioc, sas_expander->sas_address); |
cd4e12e8 KD |
6787 | goto retry_expander_search; |
6788 | } | |
6789 | } | |
6790 | ||
0bdccdb0 KD |
6791 | /** |
6792 | * _scsih_hide_unhide_sas_devices - add/remove device to/from OS | |
6793 | * @ioc: per adapter object | |
6794 | * | |
6795 | * Return nothing. | |
6796 | */ | |
6797 | static void | |
6798 | _scsih_hide_unhide_sas_devices(struct MPT2SAS_ADAPTER *ioc) | |
6799 | { | |
6800 | struct _sas_device *sas_device, *sas_device_next; | |
6801 | ||
6802 | if (!ioc->is_warpdrive || ioc->mfg_pg10_hide_flag != | |
6803 | MFG_PAGE10_HIDE_IF_VOL_PRESENT) | |
6804 | return; | |
6805 | ||
6806 | if (ioc->hide_drives) { | |
6807 | if (_scsih_get_num_volumes(ioc)) | |
6808 | return; | |
6809 | ioc->hide_drives = 0; | |
6810 | list_for_each_entry_safe(sas_device, sas_device_next, | |
6811 | &ioc->sas_device_list, list) { | |
6812 | if (!mpt2sas_transport_port_add(ioc, sas_device->handle, | |
6813 | sas_device->sas_address_parent)) { | |
6814 | _scsih_sas_device_remove(ioc, sas_device); | |
6815 | } else if (!sas_device->starget) { | |
6816 | mpt2sas_transport_port_remove(ioc, | |
6817 | sas_device->sas_address, | |
6818 | sas_device->sas_address_parent); | |
6819 | _scsih_sas_device_remove(ioc, sas_device); | |
6820 | } | |
6821 | } | |
6822 | } else { | |
6823 | if (!_scsih_get_num_volumes(ioc)) | |
6824 | return; | |
6825 | ioc->hide_drives = 1; | |
6826 | list_for_each_entry_safe(sas_device, sas_device_next, | |
6827 | &ioc->sas_device_list, list) { | |
6828 | mpt2sas_transport_port_remove(ioc, | |
6829 | sas_device->sas_address, | |
6830 | sas_device->sas_address_parent); | |
6831 | } | |
6832 | } | |
6833 | } | |
6834 | ||
cd4e12e8 KD |
6835 | /** |
6836 | * mpt2sas_scsih_reset_handler - reset callback handler (for scsih) | |
6837 | * @ioc: per adapter object | |
6838 | * @reset_phase: phase | |
6839 | * | |
6840 | * The handler for doing any required cleanup or initialization. | |
6841 | * | |
6842 | * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET, | |
6843 | * MPT2_IOC_DONE_RESET | |
6844 | * | |
6845 | * Return nothing. | |
6846 | */ | |
6847 | void | |
6848 | mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) | |
6849 | { | |
6850 | switch (reset_phase) { | |
6851 | case MPT2_IOC_PRE_RESET: | |
eabb08ad | 6852 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
cd4e12e8 | 6853 | "MPT2_IOC_PRE_RESET\n", ioc->name, __func__)); |
cd4e12e8 KD |
6854 | break; |
6855 | case MPT2_IOC_AFTER_RESET: | |
eabb08ad | 6856 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
cd4e12e8 | 6857 | "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__)); |
f1c35e6a KD |
6858 | if (ioc->scsih_cmds.status & MPT2_CMD_PENDING) { |
6859 | ioc->scsih_cmds.status |= MPT2_CMD_RESET; | |
6860 | mpt2sas_base_free_smid(ioc, ioc->scsih_cmds.smid); | |
6861 | complete(&ioc->scsih_cmds.done); | |
6862 | } | |
cd4e12e8 KD |
6863 | if (ioc->tm_cmds.status & MPT2_CMD_PENDING) { |
6864 | ioc->tm_cmds.status |= MPT2_CMD_RESET; | |
6865 | mpt2sas_base_free_smid(ioc, ioc->tm_cmds.smid); | |
6866 | complete(&ioc->tm_cmds.done); | |
6867 | } | |
f1c35e6a | 6868 | _scsih_fw_event_cleanup_queue(ioc); |
cd4e12e8 | 6869 | _scsih_flush_running_cmds(ioc); |
f1c35e6a | 6870 | _scsih_queue_rescan(ioc); |
cd4e12e8 KD |
6871 | break; |
6872 | case MPT2_IOC_DONE_RESET: | |
eabb08ad | 6873 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
cd4e12e8 | 6874 | "MPT2_IOC_DONE_RESET\n", ioc->name, __func__)); |
c5e039be | 6875 | _scsih_sas_host_refresh(ioc); |
14695853 KD |
6876 | _scsih_prep_device_scan(ioc); |
6877 | _scsih_search_responding_sas_devices(ioc); | |
6878 | _scsih_search_responding_raid_devices(ioc); | |
6879 | _scsih_search_responding_expanders(ioc); | |
cd4e12e8 | 6880 | break; |
635374e7 EM |
6881 | } |
6882 | } | |
6883 | ||
6884 | /** | |
6885 | * _firmware_event_work - delayed task for processing firmware events | |
6886 | * @ioc: per adapter object | |
6887 | * @work: equal to the fw_event_work object | |
6888 | * Context: user. | |
6889 | * | |
6890 | * Return nothing. | |
6891 | */ | |
6892 | static void | |
6893 | _firmware_event_work(struct work_struct *work) | |
6894 | { | |
6895 | struct fw_event_work *fw_event = container_of(work, | |
f1c35e6a | 6896 | struct fw_event_work, delayed_work.work); |
635374e7 EM |
6897 | unsigned long flags; |
6898 | struct MPT2SAS_ADAPTER *ioc = fw_event->ioc; | |
6899 | ||
635374e7 | 6900 | /* the queue is being flushed so ignore this event */ |
3cb5469a EM |
6901 | if (ioc->remove_host || fw_event->cancel_pending_work || |
6902 | ioc->pci_error_recovery) { | |
635374e7 EM |
6903 | _scsih_fw_event_free(ioc, fw_event); |
6904 | return; | |
6905 | } | |
635374e7 | 6906 | |
f1c35e6a KD |
6907 | if (fw_event->event == MPT2SAS_RESCAN_AFTER_HOST_RESET) { |
6908 | _scsih_fw_event_free(ioc, fw_event); | |
6909 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); | |
6910 | if (ioc->shost_recovery) { | |
6911 | init_completion(&ioc->shost_recovery_done); | |
6912 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, | |
6913 | flags); | |
6914 | wait_for_completion(&ioc->shost_recovery_done); | |
6915 | } else | |
6916 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, | |
6917 | flags); | |
f1c35e6a | 6918 | _scsih_remove_unresponding_sas_devices(ioc); |
0bdccdb0 | 6919 | _scsih_hide_unhide_sas_devices(ioc); |
635374e7 EM |
6920 | return; |
6921 | } | |
635374e7 EM |
6922 | |
6923 | switch (fw_event->event) { | |
3ace8e05 KD |
6924 | case MPT2SAS_TURN_ON_FAULT_LED: |
6925 | _scsih_turn_on_fault_led(ioc, fw_event->device_handle); | |
6926 | break; | |
635374e7 | 6927 | case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: |
7b936b02 | 6928 | _scsih_sas_topology_change_event(ioc, fw_event); |
635374e7 EM |
6929 | break; |
6930 | case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: | |
7b936b02 KD |
6931 | _scsih_sas_device_status_change_event(ioc, |
6932 | fw_event); | |
635374e7 EM |
6933 | break; |
6934 | case MPI2_EVENT_SAS_DISCOVERY: | |
7b936b02 KD |
6935 | _scsih_sas_discovery_event(ioc, |
6936 | fw_event); | |
635374e7 EM |
6937 | break; |
6938 | case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: | |
7b936b02 KD |
6939 | _scsih_sas_broadcast_primative_event(ioc, |
6940 | fw_event); | |
635374e7 EM |
6941 | break; |
6942 | case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: | |
6943 | _scsih_sas_enclosure_dev_status_change_event(ioc, | |
7b936b02 | 6944 | fw_event); |
635374e7 EM |
6945 | break; |
6946 | case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: | |
7b936b02 | 6947 | _scsih_sas_ir_config_change_event(ioc, fw_event); |
635374e7 EM |
6948 | break; |
6949 | case MPI2_EVENT_IR_VOLUME: | |
7b936b02 | 6950 | _scsih_sas_ir_volume_event(ioc, fw_event); |
635374e7 EM |
6951 | break; |
6952 | case MPI2_EVENT_IR_PHYSICAL_DISK: | |
7b936b02 | 6953 | _scsih_sas_ir_physical_disk_event(ioc, fw_event); |
635374e7 EM |
6954 | break; |
6955 | case MPI2_EVENT_IR_OPERATION_STATUS: | |
7b936b02 | 6956 | _scsih_sas_ir_operation_status_event(ioc, fw_event); |
635374e7 | 6957 | break; |
635374e7 EM |
6958 | } |
6959 | _scsih_fw_event_free(ioc, fw_event); | |
6960 | } | |
6961 | ||
6962 | /** | |
6963 | * mpt2sas_scsih_event_callback - firmware event handler (called at ISR time) | |
6964 | * @ioc: per adapter object | |
7b936b02 | 6965 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
6966 | * @reply: reply message frame(lower 32bit addr) |
6967 | * Context: interrupt. | |
6968 | * | |
6969 | * This function merely adds a new work task into ioc->firmware_event_thread. | |
6970 | * The tasks are worked from _firmware_event_work in user context. | |
6971 | * | |
77e63ed4 KD |
6972 | * Return 1 meaning mf should be freed from _base_interrupt |
6973 | * 0 means the mf is freed from this function. | |
635374e7 | 6974 | */ |
77e63ed4 | 6975 | u8 |
7b936b02 KD |
6976 | mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, |
6977 | u32 reply) | |
635374e7 EM |
6978 | { |
6979 | struct fw_event_work *fw_event; | |
6980 | Mpi2EventNotificationReply_t *mpi_reply; | |
635374e7 | 6981 | u16 event; |
e94f6747 | 6982 | u16 sz; |
635374e7 EM |
6983 | |
6984 | /* events turned off due to host reset or driver unloading */ | |
3cb5469a | 6985 | if (ioc->remove_host || ioc->pci_error_recovery) |
77e63ed4 | 6986 | return 1; |
635374e7 | 6987 | |
77e63ed4 | 6988 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); |
635374e7 EM |
6989 | event = le16_to_cpu(mpi_reply->Event); |
6990 | ||
6991 | switch (event) { | |
6992 | /* handle these */ | |
6993 | case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: | |
6994 | { | |
6995 | Mpi2EventDataSasBroadcastPrimitive_t *baen_data = | |
6996 | (Mpi2EventDataSasBroadcastPrimitive_t *) | |
6997 | mpi_reply->EventData; | |
6998 | ||
6999 | if (baen_data->Primitive != | |
f93213de | 7000 | MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT) |
77e63ed4 | 7001 | return 1; |
f93213de KD |
7002 | |
7003 | if (ioc->broadcast_aen_busy) { | |
7004 | ioc->broadcast_aen_pending++; | |
7005 | return 1; | |
7006 | } else | |
7007 | ioc->broadcast_aen_busy = 1; | |
635374e7 EM |
7008 | break; |
7009 | } | |
7010 | ||
7011 | case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: | |
7012 | _scsih_check_topo_delete_events(ioc, | |
7013 | (Mpi2EventDataSasTopologyChangeList_t *) | |
7014 | mpi_reply->EventData); | |
7015 | break; | |
f3eedd69 KD |
7016 | case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: |
7017 | _scsih_check_ir_config_unhide_events(ioc, | |
7018 | (Mpi2EventDataIrConfigChangeList_t *) | |
7019 | mpi_reply->EventData); | |
7020 | break; | |
7021 | case MPI2_EVENT_IR_VOLUME: | |
7022 | _scsih_check_volume_delete_events(ioc, | |
7023 | (Mpi2EventDataIrVolume_t *) | |
7024 | mpi_reply->EventData); | |
7025 | break; | |
0bdccdb0 KD |
7026 | case MPI2_EVENT_LOG_ENTRY_ADDED: |
7027 | { | |
7028 | Mpi2EventDataLogEntryAdded_t *log_entry; | |
7029 | u32 *log_code; | |
7030 | ||
7031 | if (!ioc->is_warpdrive) | |
7032 | break; | |
7033 | ||
7034 | log_entry = (Mpi2EventDataLogEntryAdded_t *) | |
7035 | mpi_reply->EventData; | |
7036 | log_code = (u32 *)log_entry->LogData; | |
7037 | ||
7038 | if (le16_to_cpu(log_entry->LogEntryQualifier) | |
7039 | != MPT2_WARPDRIVE_LOGENTRY) | |
7040 | break; | |
7041 | ||
7042 | switch (le32_to_cpu(*log_code)) { | |
7043 | case MPT2_WARPDRIVE_LC_SSDT: | |
7044 | printk(MPT2SAS_WARN_FMT "WarpDrive Warning: " | |
7045 | "IO Throttling has occurred in the WarpDrive " | |
7046 | "subsystem. Check WarpDrive documentation for " | |
7047 | "additional details.\n", ioc->name); | |
7048 | break; | |
7049 | case MPT2_WARPDRIVE_LC_SSDLW: | |
7050 | printk(MPT2SAS_WARN_FMT "WarpDrive Warning: " | |
7051 | "Program/Erase Cycles for the WarpDrive subsystem " | |
7052 | "in degraded range. Check WarpDrive documentation " | |
7053 | "for additional details.\n", ioc->name); | |
7054 | break; | |
7055 | case MPT2_WARPDRIVE_LC_SSDLF: | |
7056 | printk(MPT2SAS_ERR_FMT "WarpDrive Fatal Error: " | |
7057 | "There are no Program/Erase Cycles for the " | |
7058 | "WarpDrive subsystem. The storage device will be " | |
7059 | "in read-only mode. Check WarpDrive documentation " | |
7060 | "for additional details.\n", ioc->name); | |
7061 | break; | |
7062 | case MPT2_WARPDRIVE_LC_BRMF: | |
7063 | printk(MPT2SAS_ERR_FMT "WarpDrive Fatal Error: " | |
7064 | "The Backup Rail Monitor has failed on the " | |
7065 | "WarpDrive subsystem. Check WarpDrive " | |
7066 | "documentation for additional details.\n", | |
7067 | ioc->name); | |
7068 | break; | |
7069 | } | |
7070 | ||
7071 | break; | |
7072 | } | |
635374e7 EM |
7073 | case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: |
7074 | case MPI2_EVENT_IR_OPERATION_STATUS: | |
7075 | case MPI2_EVENT_SAS_DISCOVERY: | |
7076 | case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: | |
635374e7 | 7077 | case MPI2_EVENT_IR_PHYSICAL_DISK: |
635374e7 EM |
7078 | break; |
7079 | ||
7080 | default: /* ignore the rest */ | |
77e63ed4 | 7081 | return 1; |
635374e7 EM |
7082 | } |
7083 | ||
7084 | fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC); | |
7085 | if (!fw_event) { | |
7086 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
7087 | ioc->name, __FILE__, __LINE__, __func__); | |
77e63ed4 | 7088 | return 1; |
635374e7 | 7089 | } |
e94f6747 KD |
7090 | sz = le16_to_cpu(mpi_reply->EventDataLength) * 4; |
7091 | fw_event->event_data = kzalloc(sz, GFP_ATOMIC); | |
635374e7 EM |
7092 | if (!fw_event->event_data) { |
7093 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
7094 | ioc->name, __FILE__, __LINE__, __func__); | |
7095 | kfree(fw_event); | |
77e63ed4 | 7096 | return 1; |
635374e7 EM |
7097 | } |
7098 | ||
7099 | memcpy(fw_event->event_data, mpi_reply->EventData, | |
e94f6747 | 7100 | sz); |
635374e7 | 7101 | fw_event->ioc = ioc; |
7b936b02 KD |
7102 | fw_event->VF_ID = mpi_reply->VF_ID; |
7103 | fw_event->VP_ID = mpi_reply->VP_ID; | |
635374e7 EM |
7104 | fw_event->event = event; |
7105 | _scsih_fw_event_add(ioc, fw_event); | |
77e63ed4 | 7106 | return 1; |
635374e7 EM |
7107 | } |
7108 | ||
7109 | /* shost template */ | |
7110 | static struct scsi_host_template scsih_driver_template = { | |
7111 | .module = THIS_MODULE, | |
7112 | .name = "Fusion MPT SAS Host", | |
7113 | .proc_name = MPT2SAS_DRIVER_NAME, | |
d5d135b3 EM |
7114 | .queuecommand = _scsih_qcmd, |
7115 | .target_alloc = _scsih_target_alloc, | |
7116 | .slave_alloc = _scsih_slave_alloc, | |
7117 | .slave_configure = _scsih_slave_configure, | |
7118 | .target_destroy = _scsih_target_destroy, | |
7119 | .slave_destroy = _scsih_slave_destroy, | |
7120 | .change_queue_depth = _scsih_change_queue_depth, | |
7121 | .change_queue_type = _scsih_change_queue_type, | |
7122 | .eh_abort_handler = _scsih_abort, | |
7123 | .eh_device_reset_handler = _scsih_dev_reset, | |
7124 | .eh_target_reset_handler = _scsih_target_reset, | |
7125 | .eh_host_reset_handler = _scsih_host_reset, | |
7126 | .bios_param = _scsih_bios_param, | |
635374e7 EM |
7127 | .can_queue = 1, |
7128 | .this_id = -1, | |
7129 | .sg_tablesize = MPT2SAS_SG_DEPTH, | |
7130 | .max_sectors = 8192, | |
7131 | .cmd_per_lun = 7, | |
7132 | .use_clustering = ENABLE_CLUSTERING, | |
7133 | .shost_attrs = mpt2sas_host_attrs, | |
7134 | .sdev_attrs = mpt2sas_dev_attrs, | |
7135 | }; | |
7136 | ||
7137 | /** | |
7138 | * _scsih_expander_node_remove - removing expander device from list. | |
7139 | * @ioc: per adapter object | |
7140 | * @sas_expander: the sas_device object | |
7141 | * Context: Calling function should acquire ioc->sas_node_lock. | |
7142 | * | |
7143 | * Removing object and freeing associated memory from the | |
7144 | * ioc->sas_expander_list. | |
7145 | * | |
7146 | * Return nothing. | |
7147 | */ | |
7148 | static void | |
7149 | _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc, | |
7150 | struct _sas_node *sas_expander) | |
7151 | { | |
7f6f794d | 7152 | struct _sas_port *mpt2sas_port, *next; |
635374e7 EM |
7153 | |
7154 | /* remove sibling ports attached to this expander */ | |
7f6f794d | 7155 | list_for_each_entry_safe(mpt2sas_port, next, |
635374e7 | 7156 | &sas_expander->sas_port_list, port_list) { |
7f6f794d KD |
7157 | if (ioc->shost_recovery) |
7158 | return; | |
635374e7 | 7159 | if (mpt2sas_port->remote_identify.device_type == |
7f6f794d KD |
7160 | SAS_END_DEVICE) |
7161 | mpt2sas_device_remove(ioc, | |
7162 | mpt2sas_port->remote_identify.sas_address); | |
7163 | else if (mpt2sas_port->remote_identify.device_type == | |
7164 | SAS_EDGE_EXPANDER_DEVICE || | |
635374e7 | 7165 | mpt2sas_port->remote_identify.device_type == |
7f6f794d KD |
7166 | SAS_FANOUT_EXPANDER_DEVICE) |
7167 | mpt2sas_expander_remove(ioc, | |
7168 | mpt2sas_port->remote_identify.sas_address); | |
635374e7 EM |
7169 | } |
7170 | ||
7171 | mpt2sas_transport_port_remove(ioc, sas_expander->sas_address, | |
c5e039be | 7172 | sas_expander->sas_address_parent); |
635374e7 EM |
7173 | |
7174 | printk(MPT2SAS_INFO_FMT "expander_remove: handle" | |
7175 | "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, | |
7176 | sas_expander->handle, (unsigned long long) | |
7177 | sas_expander->sas_address); | |
7178 | ||
635374e7 EM |
7179 | kfree(sas_expander->phy); |
7180 | kfree(sas_expander); | |
7181 | } | |
7182 | ||
744090d3 KD |
7183 | /** |
7184 | * _scsih_ir_shutdown - IR shutdown notification | |
7185 | * @ioc: per adapter object | |
7186 | * | |
7187 | * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that | |
7188 | * the host system is shutting down. | |
7189 | * | |
7190 | * Return nothing. | |
7191 | */ | |
7192 | static void | |
7193 | _scsih_ir_shutdown(struct MPT2SAS_ADAPTER *ioc) | |
7194 | { | |
7195 | Mpi2RaidActionRequest_t *mpi_request; | |
7196 | Mpi2RaidActionReply_t *mpi_reply; | |
7197 | u16 smid; | |
7198 | ||
7199 | /* is IR firmware build loaded ? */ | |
7200 | if (!ioc->ir_firmware) | |
7201 | return; | |
7202 | ||
7203 | /* are there any volumes ? */ | |
7204 | if (list_empty(&ioc->raid_device_list)) | |
7205 | return; | |
7206 | ||
7207 | mutex_lock(&ioc->scsih_cmds.mutex); | |
7208 | ||
7209 | if (ioc->scsih_cmds.status != MPT2_CMD_NOT_USED) { | |
7210 | printk(MPT2SAS_ERR_FMT "%s: scsih_cmd in use\n", | |
7211 | ioc->name, __func__); | |
7212 | goto out; | |
7213 | } | |
7214 | ioc->scsih_cmds.status = MPT2_CMD_PENDING; | |
7215 | ||
7216 | smid = mpt2sas_base_get_smid(ioc, ioc->scsih_cb_idx); | |
7217 | if (!smid) { | |
7218 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
7219 | ioc->name, __func__); | |
7220 | ioc->scsih_cmds.status = MPT2_CMD_NOT_USED; | |
7221 | goto out; | |
7222 | } | |
7223 | ||
7224 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
7225 | ioc->scsih_cmds.smid = smid; | |
7226 | memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t)); | |
7227 | ||
7228 | mpi_request->Function = MPI2_FUNCTION_RAID_ACTION; | |
7229 | mpi_request->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED; | |
7230 | ||
0bdccdb0 KD |
7231 | if (!ioc->hide_ir_msg) |
7232 | printk(MPT2SAS_INFO_FMT "IR shutdown (sending)\n", ioc->name); | |
744090d3 KD |
7233 | init_completion(&ioc->scsih_cmds.done); |
7234 | mpt2sas_base_put_smid_default(ioc, smid); | |
7235 | wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ); | |
7236 | ||
7237 | if (!(ioc->scsih_cmds.status & MPT2_CMD_COMPLETE)) { | |
7238 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", | |
7239 | ioc->name, __func__); | |
7240 | goto out; | |
7241 | } | |
7242 | ||
7243 | if (ioc->scsih_cmds.status & MPT2_CMD_REPLY_VALID) { | |
7244 | mpi_reply = ioc->scsih_cmds.reply; | |
7245 | ||
0bdccdb0 KD |
7246 | if (!ioc->hide_ir_msg) |
7247 | printk(MPT2SAS_INFO_FMT "IR shutdown (complete): " | |
7248 | "ioc_status(0x%04x), loginfo(0x%08x)\n", | |
7249 | ioc->name, le16_to_cpu(mpi_reply->IOCStatus), | |
7250 | le32_to_cpu(mpi_reply->IOCLogInfo)); | |
744090d3 KD |
7251 | } |
7252 | ||
7253 | out: | |
7254 | ioc->scsih_cmds.status = MPT2_CMD_NOT_USED; | |
7255 | mutex_unlock(&ioc->scsih_cmds.mutex); | |
7256 | } | |
7257 | ||
7258 | /** | |
7259 | * _scsih_shutdown - routine call during system shutdown | |
7260 | * @pdev: PCI device struct | |
7261 | * | |
7262 | * Return nothing. | |
7263 | */ | |
7264 | static void | |
7265 | _scsih_shutdown(struct pci_dev *pdev) | |
7266 | { | |
7267 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7268 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
f1c35e6a KD |
7269 | struct workqueue_struct *wq; |
7270 | unsigned long flags; | |
7271 | ||
7272 | ioc->remove_host = 1; | |
7273 | _scsih_fw_event_cleanup_queue(ioc); | |
7274 | ||
7275 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
7276 | wq = ioc->firmware_event_thread; | |
7277 | ioc->firmware_event_thread = NULL; | |
7278 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
7279 | if (wq) | |
7280 | destroy_workqueue(wq); | |
744090d3 KD |
7281 | |
7282 | _scsih_ir_shutdown(ioc); | |
7283 | mpt2sas_base_detach(ioc); | |
7284 | } | |
7285 | ||
635374e7 | 7286 | /** |
d5d135b3 | 7287 | * _scsih_remove - detach and remove add host |
635374e7 EM |
7288 | * @pdev: PCI device struct |
7289 | * | |
744090d3 | 7290 | * Routine called when unloading the driver. |
635374e7 EM |
7291 | * Return nothing. |
7292 | */ | |
7293 | static void __devexit | |
d5d135b3 | 7294 | _scsih_remove(struct pci_dev *pdev) |
635374e7 EM |
7295 | { |
7296 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7297 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
7f6f794d | 7298 | struct _sas_port *mpt2sas_port, *next_port; |
d7384b28 KD |
7299 | struct _raid_device *raid_device, *next; |
7300 | struct MPT2SAS_TARGET *sas_target_priv_data; | |
635374e7 EM |
7301 | struct workqueue_struct *wq; |
7302 | unsigned long flags; | |
7303 | ||
7304 | ioc->remove_host = 1; | |
f1c35e6a | 7305 | _scsih_fw_event_cleanup_queue(ioc); |
635374e7 EM |
7306 | |
7307 | spin_lock_irqsave(&ioc->fw_event_lock, flags); | |
7308 | wq = ioc->firmware_event_thread; | |
7309 | ioc->firmware_event_thread = NULL; | |
7310 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); | |
7311 | if (wq) | |
7312 | destroy_workqueue(wq); | |
7313 | ||
d7384b28 | 7314 | /* release all the volumes */ |
3a9c913a | 7315 | _scsih_ir_shutdown(ioc); |
d7384b28 KD |
7316 | list_for_each_entry_safe(raid_device, next, &ioc->raid_device_list, |
7317 | list) { | |
7318 | if (raid_device->starget) { | |
7319 | sas_target_priv_data = | |
7320 | raid_device->starget->hostdata; | |
7321 | sas_target_priv_data->deleted = 1; | |
7322 | scsi_remove_target(&raid_device->starget->dev); | |
7323 | } | |
7324 | printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), wwid" | |
7325 | "(0x%016llx)\n", ioc->name, raid_device->handle, | |
7326 | (unsigned long long) raid_device->wwid); | |
7327 | _scsih_raid_device_remove(ioc, raid_device); | |
7328 | } | |
7329 | ||
635374e7 | 7330 | /* free ports attached to the sas_host */ |
7f6f794d | 7331 | list_for_each_entry_safe(mpt2sas_port, next_port, |
635374e7 EM |
7332 | &ioc->sas_hba.sas_port_list, port_list) { |
7333 | if (mpt2sas_port->remote_identify.device_type == | |
7f6f794d KD |
7334 | SAS_END_DEVICE) |
7335 | mpt2sas_device_remove(ioc, | |
7336 | mpt2sas_port->remote_identify.sas_address); | |
7337 | else if (mpt2sas_port->remote_identify.device_type == | |
7338 | SAS_EDGE_EXPANDER_DEVICE || | |
7339 | mpt2sas_port->remote_identify.device_type == | |
7340 | SAS_FANOUT_EXPANDER_DEVICE) | |
7341 | mpt2sas_expander_remove(ioc, | |
635374e7 | 7342 | mpt2sas_port->remote_identify.sas_address); |
635374e7 EM |
7343 | } |
7344 | ||
7345 | /* free phys attached to the sas_host */ | |
7346 | if (ioc->sas_hba.num_phys) { | |
7347 | kfree(ioc->sas_hba.phy); | |
7348 | ioc->sas_hba.phy = NULL; | |
7349 | ioc->sas_hba.num_phys = 0; | |
7350 | } | |
7351 | ||
7352 | sas_remove_host(shost); | |
744090d3 | 7353 | _scsih_shutdown(pdev); |
635374e7 EM |
7354 | list_del(&ioc->list); |
7355 | scsi_remove_host(shost); | |
7356 | scsi_host_put(shost); | |
7357 | } | |
7358 | ||
7359 | /** | |
7360 | * _scsih_probe_boot_devices - reports 1st device | |
7361 | * @ioc: per adapter object | |
7362 | * | |
7363 | * If specified in bios page 2, this routine reports the 1st | |
7364 | * device scsi-ml or sas transport for persistent boot device | |
7365 | * purposes. Please refer to function _scsih_determine_boot_device() | |
7366 | */ | |
7367 | static void | |
7368 | _scsih_probe_boot_devices(struct MPT2SAS_ADAPTER *ioc) | |
7369 | { | |
7370 | u8 is_raid; | |
7371 | void *device; | |
7372 | struct _sas_device *sas_device; | |
7373 | struct _raid_device *raid_device; | |
c5e039be KD |
7374 | u16 handle; |
7375 | u64 sas_address_parent; | |
635374e7 EM |
7376 | u64 sas_address; |
7377 | unsigned long flags; | |
7378 | int rc; | |
7379 | ||
7380 | device = NULL; | |
7381 | if (ioc->req_boot_device.device) { | |
7382 | device = ioc->req_boot_device.device; | |
7383 | is_raid = ioc->req_boot_device.is_raid; | |
7384 | } else if (ioc->req_alt_boot_device.device) { | |
7385 | device = ioc->req_alt_boot_device.device; | |
7386 | is_raid = ioc->req_alt_boot_device.is_raid; | |
7387 | } else if (ioc->current_boot_device.device) { | |
7388 | device = ioc->current_boot_device.device; | |
7389 | is_raid = ioc->current_boot_device.is_raid; | |
7390 | } | |
7391 | ||
7392 | if (!device) | |
7393 | return; | |
7394 | ||
7395 | if (is_raid) { | |
7396 | raid_device = device; | |
7397 | rc = scsi_add_device(ioc->shost, RAID_CHANNEL, | |
7398 | raid_device->id, 0); | |
7399 | if (rc) | |
7400 | _scsih_raid_device_remove(ioc, raid_device); | |
7401 | } else { | |
7402 | sas_device = device; | |
7403 | handle = sas_device->handle; | |
c5e039be | 7404 | sas_address_parent = sas_device->sas_address_parent; |
635374e7 EM |
7405 | sas_address = sas_device->sas_address; |
7406 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
7407 | list_move_tail(&sas_device->list, &ioc->sas_device_list); | |
7408 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
0bdccdb0 KD |
7409 | |
7410 | if (ioc->hide_drives) | |
7411 | return; | |
635374e7 | 7412 | if (!mpt2sas_transport_port_add(ioc, sas_device->handle, |
c5e039be | 7413 | sas_device->sas_address_parent)) { |
635374e7 EM |
7414 | _scsih_sas_device_remove(ioc, sas_device); |
7415 | } else if (!sas_device->starget) { | |
7416 | mpt2sas_transport_port_remove(ioc, sas_address, | |
c5e039be | 7417 | sas_address_parent); |
635374e7 EM |
7418 | _scsih_sas_device_remove(ioc, sas_device); |
7419 | } | |
7420 | } | |
7421 | } | |
7422 | ||
7423 | /** | |
7424 | * _scsih_probe_raid - reporting raid volumes to scsi-ml | |
7425 | * @ioc: per adapter object | |
7426 | * | |
7427 | * Called during initial loading of the driver. | |
7428 | */ | |
7429 | static void | |
7430 | _scsih_probe_raid(struct MPT2SAS_ADAPTER *ioc) | |
7431 | { | |
7432 | struct _raid_device *raid_device, *raid_next; | |
7433 | int rc; | |
7434 | ||
7435 | list_for_each_entry_safe(raid_device, raid_next, | |
7436 | &ioc->raid_device_list, list) { | |
7437 | if (raid_device->starget) | |
7438 | continue; | |
7439 | rc = scsi_add_device(ioc->shost, RAID_CHANNEL, | |
7440 | raid_device->id, 0); | |
7441 | if (rc) | |
7442 | _scsih_raid_device_remove(ioc, raid_device); | |
7443 | } | |
7444 | } | |
7445 | ||
7446 | /** | |
77e63ed4 | 7447 | * _scsih_probe_sas - reporting sas devices to sas transport |
635374e7 EM |
7448 | * @ioc: per adapter object |
7449 | * | |
7450 | * Called during initial loading of the driver. | |
7451 | */ | |
7452 | static void | |
7453 | _scsih_probe_sas(struct MPT2SAS_ADAPTER *ioc) | |
7454 | { | |
7455 | struct _sas_device *sas_device, *next; | |
7456 | unsigned long flags; | |
635374e7 EM |
7457 | |
7458 | /* SAS Device List */ | |
7459 | list_for_each_entry_safe(sas_device, next, &ioc->sas_device_init_list, | |
7460 | list) { | |
7461 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
7462 | list_move_tail(&sas_device->list, &ioc->sas_device_list); | |
7463 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
7464 | ||
0bdccdb0 KD |
7465 | if (ioc->hide_drives) |
7466 | continue; | |
7467 | ||
c5e039be KD |
7468 | if (!mpt2sas_transport_port_add(ioc, sas_device->handle, |
7469 | sas_device->sas_address_parent)) { | |
635374e7 EM |
7470 | _scsih_sas_device_remove(ioc, sas_device); |
7471 | } else if (!sas_device->starget) { | |
c5e039be KD |
7472 | mpt2sas_transport_port_remove(ioc, |
7473 | sas_device->sas_address, | |
7474 | sas_device->sas_address_parent); | |
635374e7 EM |
7475 | _scsih_sas_device_remove(ioc, sas_device); |
7476 | } | |
7477 | } | |
7478 | } | |
7479 | ||
7480 | /** | |
7481 | * _scsih_probe_devices - probing for devices | |
7482 | * @ioc: per adapter object | |
7483 | * | |
7484 | * Called during initial loading of the driver. | |
7485 | */ | |
7486 | static void | |
7487 | _scsih_probe_devices(struct MPT2SAS_ADAPTER *ioc) | |
7488 | { | |
7489 | u16 volume_mapping_flags = | |
7490 | le16_to_cpu(ioc->ioc_pg8.IRVolumeMappingFlags) & | |
7491 | MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; | |
7492 | ||
7493 | if (!(ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR)) | |
7494 | return; /* return when IOC doesn't support initiator mode */ | |
7495 | ||
7496 | _scsih_probe_boot_devices(ioc); | |
7497 | ||
7498 | if (ioc->ir_firmware) { | |
7499 | if ((volume_mapping_flags & | |
7500 | MPI2_IOCPAGE8_IRFLAGS_HIGH_VOLUME_MAPPING)) { | |
7501 | _scsih_probe_sas(ioc); | |
7502 | _scsih_probe_raid(ioc); | |
7503 | } else { | |
7504 | _scsih_probe_raid(ioc); | |
7505 | _scsih_probe_sas(ioc); | |
7506 | } | |
7507 | } else | |
7508 | _scsih_probe_sas(ioc); | |
7509 | } | |
7510 | ||
7511 | /** | |
d5d135b3 | 7512 | * _scsih_probe - attach and add scsi host |
635374e7 EM |
7513 | * @pdev: PCI device struct |
7514 | * @id: pci device id | |
7515 | * | |
7516 | * Returns 0 success, anything else error. | |
7517 | */ | |
7518 | static int | |
d5d135b3 | 7519 | _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) |
635374e7 EM |
7520 | { |
7521 | struct MPT2SAS_ADAPTER *ioc; | |
7522 | struct Scsi_Host *shost; | |
7523 | ||
7524 | shost = scsi_host_alloc(&scsih_driver_template, | |
7525 | sizeof(struct MPT2SAS_ADAPTER)); | |
7526 | if (!shost) | |
7527 | return -ENODEV; | |
7528 | ||
7529 | /* init local params */ | |
7530 | ioc = shost_priv(shost); | |
7531 | memset(ioc, 0, sizeof(struct MPT2SAS_ADAPTER)); | |
7532 | INIT_LIST_HEAD(&ioc->list); | |
ba33fadf | 7533 | list_add_tail(&ioc->list, &mpt2sas_ioc_list); |
635374e7 EM |
7534 | ioc->shost = shost; |
7535 | ioc->id = mpt_ids++; | |
7536 | sprintf(ioc->name, "%s%d", MPT2SAS_DRIVER_NAME, ioc->id); | |
7537 | ioc->pdev = pdev; | |
0bdccdb0 KD |
7538 | if (id->device == MPI2_MFGPAGE_DEVID_SSS6200) { |
7539 | ioc->is_warpdrive = 1; | |
7540 | ioc->hide_ir_msg = 1; | |
7541 | } else | |
7542 | ioc->mfg_pg10_hide_flag = MFG_PAGE10_EXPOSE_ALL_DISKS; | |
635374e7 EM |
7543 | ioc->scsi_io_cb_idx = scsi_io_cb_idx; |
7544 | ioc->tm_cb_idx = tm_cb_idx; | |
7545 | ioc->ctl_cb_idx = ctl_cb_idx; | |
7546 | ioc->base_cb_idx = base_cb_idx; | |
7547 | ioc->transport_cb_idx = transport_cb_idx; | |
744090d3 | 7548 | ioc->scsih_cb_idx = scsih_cb_idx; |
635374e7 | 7549 | ioc->config_cb_idx = config_cb_idx; |
77e63ed4 | 7550 | ioc->tm_tr_cb_idx = tm_tr_cb_idx; |
f3eedd69 | 7551 | ioc->tm_tr_volume_cb_idx = tm_tr_volume_cb_idx; |
77e63ed4 | 7552 | ioc->tm_sas_control_cb_idx = tm_sas_control_cb_idx; |
635374e7 EM |
7553 | ioc->logging_level = logging_level; |
7554 | /* misc semaphores and spin locks */ | |
d274213a | 7555 | mutex_init(&ioc->reset_in_progress_mutex); |
635374e7 EM |
7556 | spin_lock_init(&ioc->ioc_reset_in_progress_lock); |
7557 | spin_lock_init(&ioc->scsi_lookup_lock); | |
7558 | spin_lock_init(&ioc->sas_device_lock); | |
7559 | spin_lock_init(&ioc->sas_node_lock); | |
7560 | spin_lock_init(&ioc->fw_event_lock); | |
7561 | spin_lock_init(&ioc->raid_device_lock); | |
7562 | ||
7563 | INIT_LIST_HEAD(&ioc->sas_device_list); | |
7564 | INIT_LIST_HEAD(&ioc->sas_device_init_list); | |
7565 | INIT_LIST_HEAD(&ioc->sas_expander_list); | |
7566 | INIT_LIST_HEAD(&ioc->fw_event_list); | |
7567 | INIT_LIST_HEAD(&ioc->raid_device_list); | |
7568 | INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list); | |
77e63ed4 | 7569 | INIT_LIST_HEAD(&ioc->delayed_tr_list); |
f3eedd69 | 7570 | INIT_LIST_HEAD(&ioc->delayed_tr_volume_list); |
635374e7 EM |
7571 | |
7572 | /* init shost parameters */ | |
d334aa79 | 7573 | shost->max_cmd_len = 32; |
635374e7 EM |
7574 | shost->max_lun = max_lun; |
7575 | shost->transportt = mpt2sas_transport_template; | |
7576 | shost->unique_id = ioc->id; | |
7577 | ||
a3e1e55e KD |
7578 | if (max_sectors != 0xFFFF) { |
7579 | if (max_sectors < 64) { | |
7580 | shost->max_sectors = 64; | |
7581 | printk(MPT2SAS_WARN_FMT "Invalid value %d passed " | |
7582 | "for max_sectors, range is 64 to 8192. Assigning " | |
7583 | "value of 64.\n", ioc->name, max_sectors); | |
7584 | } else if (max_sectors > 8192) { | |
7585 | shost->max_sectors = 8192; | |
7586 | printk(MPT2SAS_WARN_FMT "Invalid value %d passed " | |
7587 | "for max_sectors, range is 64 to 8192. Assigning " | |
7588 | "default value of 8192.\n", ioc->name, | |
7589 | max_sectors); | |
7590 | } else { | |
7591 | shost->max_sectors = max_sectors & 0xFFFE; | |
7592 | printk(MPT2SAS_INFO_FMT "The max_sectors value is " | |
7593 | "set to %d\n", ioc->name, shost->max_sectors); | |
7594 | } | |
7595 | } | |
7596 | ||
635374e7 EM |
7597 | if ((scsi_add_host(shost, &pdev->dev))) { |
7598 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
7599 | ioc->name, __FILE__, __LINE__, __func__); | |
7600 | list_del(&ioc->list); | |
7601 | goto out_add_shost_fail; | |
7602 | } | |
7603 | ||
3c621b3e | 7604 | scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION |
d334aa79 | 7605 | | SHOST_DIF_TYPE2_PROTECTION | SHOST_DIF_TYPE3_PROTECTION); |
77e63ed4 | 7606 | scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC); |
3c621b3e | 7607 | |
635374e7 EM |
7608 | /* event thread */ |
7609 | snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name), | |
7610 | "fw_event%d", ioc->id); | |
7611 | ioc->firmware_event_thread = create_singlethread_workqueue( | |
7612 | ioc->firmware_event_name); | |
7613 | if (!ioc->firmware_event_thread) { | |
7614 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
7615 | ioc->name, __FILE__, __LINE__, __func__); | |
7616 | goto out_thread_fail; | |
7617 | } | |
7618 | ||
7619 | ioc->wait_for_port_enable_to_complete = 1; | |
7620 | if ((mpt2sas_base_attach(ioc))) { | |
7621 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", | |
7622 | ioc->name, __FILE__, __LINE__, __func__); | |
7623 | goto out_attach_fail; | |
7624 | } | |
7625 | ||
7626 | ioc->wait_for_port_enable_to_complete = 0; | |
0bdccdb0 KD |
7627 | if (ioc->is_warpdrive) { |
7628 | if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_EXPOSE_ALL_DISKS) | |
7629 | ioc->hide_drives = 0; | |
7630 | else if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_HIDE_ALL_DISKS) | |
7631 | ioc->hide_drives = 1; | |
7632 | else { | |
7633 | if (_scsih_get_num_volumes(ioc)) | |
7634 | ioc->hide_drives = 1; | |
7635 | else | |
7636 | ioc->hide_drives = 0; | |
7637 | } | |
7638 | } else | |
7639 | ioc->hide_drives = 0; | |
7640 | ||
635374e7 EM |
7641 | _scsih_probe_devices(ioc); |
7642 | return 0; | |
7643 | ||
7644 | out_attach_fail: | |
7645 | destroy_workqueue(ioc->firmware_event_thread); | |
7646 | out_thread_fail: | |
7647 | list_del(&ioc->list); | |
7648 | scsi_remove_host(shost); | |
7649 | out_add_shost_fail: | |
7650 | return -ENODEV; | |
7651 | } | |
7652 | ||
7653 | #ifdef CONFIG_PM | |
7654 | /** | |
d5d135b3 | 7655 | * _scsih_suspend - power management suspend main entry point |
635374e7 EM |
7656 | * @pdev: PCI device struct |
7657 | * @state: PM state change to (usually PCI_D3) | |
7658 | * | |
7659 | * Returns 0 success, anything else error. | |
7660 | */ | |
7661 | static int | |
d5d135b3 | 7662 | _scsih_suspend(struct pci_dev *pdev, pm_message_t state) |
635374e7 EM |
7663 | { |
7664 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7665 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
c97951ec | 7666 | pci_power_t device_state; |
635374e7 | 7667 | |
e4750c98 | 7668 | mpt2sas_base_stop_watchdog(ioc); |
635374e7 EM |
7669 | scsi_block_requests(shost); |
7670 | device_state = pci_choose_state(pdev, state); | |
7671 | printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, entering " | |
7672 | "operating state [D%d]\n", ioc->name, pdev, | |
7673 | pci_name(pdev), device_state); | |
7674 | ||
7675 | mpt2sas_base_free_resources(ioc); | |
7676 | pci_save_state(pdev); | |
7677 | pci_disable_device(pdev); | |
7678 | pci_set_power_state(pdev, device_state); | |
7679 | return 0; | |
7680 | } | |
7681 | ||
7682 | /** | |
d5d135b3 | 7683 | * _scsih_resume - power management resume main entry point |
635374e7 EM |
7684 | * @pdev: PCI device struct |
7685 | * | |
7686 | * Returns 0 success, anything else error. | |
7687 | */ | |
7688 | static int | |
d5d135b3 | 7689 | _scsih_resume(struct pci_dev *pdev) |
635374e7 EM |
7690 | { |
7691 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7692 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
c97951ec | 7693 | pci_power_t device_state = pdev->current_state; |
635374e7 EM |
7694 | int r; |
7695 | ||
7696 | printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, previous " | |
7697 | "operating state [D%d]\n", ioc->name, pdev, | |
7698 | pci_name(pdev), device_state); | |
7699 | ||
7700 | pci_set_power_state(pdev, PCI_D0); | |
7701 | pci_enable_wake(pdev, PCI_D0, 0); | |
7702 | pci_restore_state(pdev); | |
7703 | ioc->pdev = pdev; | |
7704 | r = mpt2sas_base_map_resources(ioc); | |
7705 | if (r) | |
7706 | return r; | |
7707 | ||
7708 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, SOFT_RESET); | |
7709 | scsi_unblock_requests(shost); | |
e4750c98 | 7710 | mpt2sas_base_start_watchdog(ioc); |
635374e7 EM |
7711 | return 0; |
7712 | } | |
7713 | #endif /* CONFIG_PM */ | |
7714 | ||
ef7c80c1 KD |
7715 | /** |
7716 | * _scsih_pci_error_detected - Called when a PCI error is detected. | |
7717 | * @pdev: PCI device struct | |
7718 | * @state: PCI channel state | |
7719 | * | |
7720 | * Description: Called when a PCI error is detected. | |
7721 | * | |
7722 | * Return value: | |
7723 | * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT | |
7724 | */ | |
7725 | static pci_ers_result_t | |
7726 | _scsih_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) | |
7727 | { | |
7728 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7729 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
7730 | ||
7731 | printk(MPT2SAS_INFO_FMT "PCI error: detected callback, state(%d)!!\n", | |
7732 | ioc->name, state); | |
7733 | ||
7734 | switch (state) { | |
7735 | case pci_channel_io_normal: | |
7736 | return PCI_ERS_RESULT_CAN_RECOVER; | |
7737 | case pci_channel_io_frozen: | |
3cb5469a EM |
7738 | /* Fatal error, prepare for slot reset */ |
7739 | ioc->pci_error_recovery = 1; | |
ef7c80c1 KD |
7740 | scsi_block_requests(ioc->shost); |
7741 | mpt2sas_base_stop_watchdog(ioc); | |
7742 | mpt2sas_base_free_resources(ioc); | |
7743 | return PCI_ERS_RESULT_NEED_RESET; | |
7744 | case pci_channel_io_perm_failure: | |
3cb5469a EM |
7745 | /* Permanent error, prepare for device removal */ |
7746 | ioc->pci_error_recovery = 1; | |
7747 | mpt2sas_base_stop_watchdog(ioc); | |
7748 | _scsih_flush_running_cmds(ioc); | |
ef7c80c1 KD |
7749 | return PCI_ERS_RESULT_DISCONNECT; |
7750 | } | |
7751 | return PCI_ERS_RESULT_NEED_RESET; | |
7752 | } | |
7753 | ||
7754 | /** | |
7755 | * _scsih_pci_slot_reset - Called when PCI slot has been reset. | |
7756 | * @pdev: PCI device struct | |
7757 | * | |
7758 | * Description: This routine is called by the pci error recovery | |
7759 | * code after the PCI slot has been reset, just before we | |
7760 | * should resume normal operations. | |
7761 | */ | |
7762 | static pci_ers_result_t | |
7763 | _scsih_pci_slot_reset(struct pci_dev *pdev) | |
7764 | { | |
7765 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7766 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
7767 | int rc; | |
7768 | ||
7769 | printk(MPT2SAS_INFO_FMT "PCI error: slot reset callback!!\n", | |
7770 | ioc->name); | |
7771 | ||
3cb5469a | 7772 | ioc->pci_error_recovery = 0; |
ef7c80c1 | 7773 | ioc->pdev = pdev; |
3cb5469a | 7774 | pci_restore_state(pdev); |
ef7c80c1 KD |
7775 | rc = mpt2sas_base_map_resources(ioc); |
7776 | if (rc) | |
7777 | return PCI_ERS_RESULT_DISCONNECT; | |
7778 | ||
7779 | ||
7780 | rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
7781 | FORCE_BIG_HAMMER); | |
7782 | ||
7783 | printk(MPT2SAS_WARN_FMT "hard reset: %s\n", ioc->name, | |
7784 | (rc == 0) ? "success" : "failed"); | |
7785 | ||
7786 | if (!rc) | |
7787 | return PCI_ERS_RESULT_RECOVERED; | |
7788 | else | |
7789 | return PCI_ERS_RESULT_DISCONNECT; | |
7790 | } | |
7791 | ||
7792 | /** | |
7793 | * _scsih_pci_resume() - resume normal ops after PCI reset | |
7794 | * @pdev: pointer to PCI device | |
7795 | * | |
7796 | * Called when the error recovery driver tells us that its | |
7797 | * OK to resume normal operation. Use completion to allow | |
7798 | * halted scsi ops to resume. | |
7799 | */ | |
7800 | static void | |
7801 | _scsih_pci_resume(struct pci_dev *pdev) | |
7802 | { | |
7803 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7804 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
7805 | ||
7806 | printk(MPT2SAS_INFO_FMT "PCI error: resume callback!!\n", ioc->name); | |
7807 | ||
7808 | pci_cleanup_aer_uncorrect_error_status(pdev); | |
7809 | mpt2sas_base_start_watchdog(ioc); | |
7810 | scsi_unblock_requests(ioc->shost); | |
7811 | } | |
7812 | ||
7813 | /** | |
7814 | * _scsih_pci_mmio_enabled - Enable MMIO and dump debug registers | |
7815 | * @pdev: pointer to PCI device | |
7816 | */ | |
7817 | static pci_ers_result_t | |
7818 | _scsih_pci_mmio_enabled(struct pci_dev *pdev) | |
7819 | { | |
7820 | struct Scsi_Host *shost = pci_get_drvdata(pdev); | |
7821 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
7822 | ||
7823 | printk(MPT2SAS_INFO_FMT "PCI error: mmio enabled callback!!\n", | |
7824 | ioc->name); | |
7825 | ||
7826 | /* TODO - dump whatever for debugging purposes */ | |
7827 | ||
7828 | /* Request a slot reset. */ | |
7829 | return PCI_ERS_RESULT_NEED_RESET; | |
7830 | } | |
7831 | ||
7832 | static struct pci_error_handlers _scsih_err_handler = { | |
7833 | .error_detected = _scsih_pci_error_detected, | |
7834 | .mmio_enabled = _scsih_pci_mmio_enabled, | |
7835 | .slot_reset = _scsih_pci_slot_reset, | |
7836 | .resume = _scsih_pci_resume, | |
7837 | }; | |
635374e7 EM |
7838 | |
7839 | static struct pci_driver scsih_driver = { | |
7840 | .name = MPT2SAS_DRIVER_NAME, | |
7841 | .id_table = scsih_pci_table, | |
d5d135b3 EM |
7842 | .probe = _scsih_probe, |
7843 | .remove = __devexit_p(_scsih_remove), | |
744090d3 | 7844 | .shutdown = _scsih_shutdown, |
ef7c80c1 | 7845 | .err_handler = &_scsih_err_handler, |
635374e7 | 7846 | #ifdef CONFIG_PM |
d5d135b3 EM |
7847 | .suspend = _scsih_suspend, |
7848 | .resume = _scsih_resume, | |
635374e7 EM |
7849 | #endif |
7850 | }; | |
7851 | ||
f7c95ef0 KD |
7852 | /* raid transport support */ |
7853 | static struct raid_function_template mpt2sas_raid_functions = { | |
7854 | .cookie = &scsih_driver_template, | |
7855 | .is_raid = _scsih_is_raid, | |
7856 | .get_resync = _scsih_get_resync, | |
7857 | .get_state = _scsih_get_state, | |
7858 | }; | |
635374e7 EM |
7859 | |
7860 | /** | |
d5d135b3 | 7861 | * _scsih_init - main entry point for this driver. |
635374e7 EM |
7862 | * |
7863 | * Returns 0 success, anything else error. | |
7864 | */ | |
7865 | static int __init | |
d5d135b3 | 7866 | _scsih_init(void) |
635374e7 EM |
7867 | { |
7868 | int error; | |
7869 | ||
7870 | mpt_ids = 0; | |
7871 | printk(KERN_INFO "%s version %s loaded\n", MPT2SAS_DRIVER_NAME, | |
7872 | MPT2SAS_DRIVER_VERSION); | |
7873 | ||
7874 | mpt2sas_transport_template = | |
7875 | sas_attach_transport(&mpt2sas_transport_functions); | |
7876 | if (!mpt2sas_transport_template) | |
7877 | return -ENODEV; | |
f7c95ef0 KD |
7878 | /* raid transport support */ |
7879 | mpt2sas_raid_template = raid_class_attach(&mpt2sas_raid_functions); | |
7880 | if (!mpt2sas_raid_template) { | |
7881 | sas_release_transport(mpt2sas_transport_template); | |
7882 | return -ENODEV; | |
7883 | } | |
635374e7 EM |
7884 | |
7885 | mpt2sas_base_initialize_callback_handler(); | |
7886 | ||
7887 | /* queuecommand callback hander */ | |
d5d135b3 | 7888 | scsi_io_cb_idx = mpt2sas_base_register_callback_handler(_scsih_io_done); |
635374e7 | 7889 | |
65155b37 | 7890 | /* task management callback handler */ |
d5d135b3 | 7891 | tm_cb_idx = mpt2sas_base_register_callback_handler(_scsih_tm_done); |
635374e7 EM |
7892 | |
7893 | /* base internal commands callback handler */ | |
7894 | base_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_base_done); | |
7895 | ||
7896 | /* transport internal commands callback handler */ | |
7897 | transport_cb_idx = mpt2sas_base_register_callback_handler( | |
7898 | mpt2sas_transport_done); | |
7899 | ||
744090d3 KD |
7900 | /* scsih internal commands callback handler */ |
7901 | scsih_cb_idx = mpt2sas_base_register_callback_handler(_scsih_done); | |
7902 | ||
635374e7 EM |
7903 | /* configuration page API internal commands callback handler */ |
7904 | config_cb_idx = mpt2sas_base_register_callback_handler( | |
7905 | mpt2sas_config_done); | |
7906 | ||
7907 | /* ctl module callback handler */ | |
7908 | ctl_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_ctl_done); | |
7909 | ||
77e63ed4 KD |
7910 | tm_tr_cb_idx = mpt2sas_base_register_callback_handler( |
7911 | _scsih_tm_tr_complete); | |
f3eedd69 KD |
7912 | |
7913 | tm_tr_volume_cb_idx = mpt2sas_base_register_callback_handler( | |
7914 | _scsih_tm_volume_tr_complete); | |
7915 | ||
77e63ed4 KD |
7916 | tm_sas_control_cb_idx = mpt2sas_base_register_callback_handler( |
7917 | _scsih_sas_control_complete); | |
7918 | ||
635374e7 EM |
7919 | mpt2sas_ctl_init(); |
7920 | ||
7921 | error = pci_register_driver(&scsih_driver); | |
f7c95ef0 KD |
7922 | if (error) { |
7923 | /* raid transport support */ | |
7924 | raid_class_release(mpt2sas_raid_template); | |
635374e7 | 7925 | sas_release_transport(mpt2sas_transport_template); |
f7c95ef0 | 7926 | } |
635374e7 EM |
7927 | |
7928 | return error; | |
7929 | } | |
7930 | ||
7931 | /** | |
d5d135b3 | 7932 | * _scsih_exit - exit point for this driver (when it is a module). |
635374e7 EM |
7933 | * |
7934 | * Returns 0 success, anything else error. | |
7935 | */ | |
7936 | static void __exit | |
d5d135b3 | 7937 | _scsih_exit(void) |
635374e7 EM |
7938 | { |
7939 | printk(KERN_INFO "mpt2sas version %s unloading\n", | |
7940 | MPT2SAS_DRIVER_VERSION); | |
7941 | ||
7942 | pci_unregister_driver(&scsih_driver); | |
7943 | ||
f7c95ef0 KD |
7944 | mpt2sas_ctl_exit(); |
7945 | ||
635374e7 EM |
7946 | mpt2sas_base_release_callback_handler(scsi_io_cb_idx); |
7947 | mpt2sas_base_release_callback_handler(tm_cb_idx); | |
7948 | mpt2sas_base_release_callback_handler(base_cb_idx); | |
7949 | mpt2sas_base_release_callback_handler(transport_cb_idx); | |
744090d3 | 7950 | mpt2sas_base_release_callback_handler(scsih_cb_idx); |
635374e7 EM |
7951 | mpt2sas_base_release_callback_handler(config_cb_idx); |
7952 | mpt2sas_base_release_callback_handler(ctl_cb_idx); | |
7953 | ||
77e63ed4 | 7954 | mpt2sas_base_release_callback_handler(tm_tr_cb_idx); |
f3eedd69 | 7955 | mpt2sas_base_release_callback_handler(tm_tr_volume_cb_idx); |
77e63ed4 KD |
7956 | mpt2sas_base_release_callback_handler(tm_sas_control_cb_idx); |
7957 | ||
f7c95ef0 KD |
7958 | /* raid transport support */ |
7959 | raid_class_release(mpt2sas_raid_template); | |
7960 | sas_release_transport(mpt2sas_transport_template); | |
7961 | ||
635374e7 EM |
7962 | } |
7963 | ||
d5d135b3 EM |
7964 | module_init(_scsih_init); |
7965 | module_exit(_scsih_exit); |