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include: replace linux/module.h with "struct module" wherever possible
[linux-2.6/next.git] / drivers / message / fusion / mptsas.c
blob7596aecd5072a0ea96da0b871573b4e3ca424cd1
1 /*
2 * linux/drivers/message/fusion/mptsas.c
3 * For use with LSI PCI chip/adapter(s)
4 * running LSI Fusion MPT (Message Passing Technology) firmware.
5 *
6 * Copyright (c) 1999-2008 LSI Corporation
7 * (mailto:DL-MPTFusionLinux@lsi.com)
8 */
9 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
10 /*
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; version 2 of the License.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 NO WARRANTY
21 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
22 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
23 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
24 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
25 solely responsible for determining the appropriateness of using and
26 distributing the Program and assumes all risks associated with its
27 exercise of rights under this Agreement, including but not limited to
28 the risks and costs of program errors, damage to or loss of data,
29 programs or equipment, and unavailability or interruption of operations.
30
31 DISCLAIMER OF LIABILITY
32 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
33 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
35 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
36 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
37 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
38 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
39
40 You should have received a copy of the GNU General Public License
41 along with this program; if not, write to the Free Software
42 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
43 */
44 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
45
46 #include <linux/module.h>
47 #include <linux/kernel.h>
48 #include <linux/slab.h>
49 #include <linux/init.h>
50 #include <linux/errno.h>
51 #include <linux/jiffies.h>
52 #include <linux/workqueue.h>
53 #include <linux/delay.h> /* for mdelay */
54
55 #include <scsi/scsi.h>
56 #include <scsi/scsi_cmnd.h>
57 #include <scsi/scsi_device.h>
58 #include <scsi/scsi_host.h>
59 #include <scsi/scsi_transport_sas.h>
60 #include <scsi/scsi_transport.h>
61 #include <scsi/scsi_dbg.h>
62
63 #include "mptbase.h"
64 #include "mptscsih.h"
65 #include "mptsas.h"
66
67
68 #define my_NAME "Fusion MPT SAS Host driver"
69 #define my_VERSION MPT_LINUX_VERSION_COMMON
70 #define MYNAM "mptsas"
71
72 /*
73 * Reserved channel for integrated raid
74 */
75 #define MPTSAS_RAID_CHANNEL 1
76
77 #define SAS_CONFIG_PAGE_TIMEOUT 30
78 MODULE_AUTHOR(MODULEAUTHOR);
79 MODULE_DESCRIPTION(my_NAME);
80 MODULE_LICENSE("GPL");
81 MODULE_VERSION(my_VERSION);
82
83 static int mpt_pt_clear;
84 module_param(mpt_pt_clear, int, 0);
85 MODULE_PARM_DESC(mpt_pt_clear,
86 " Clear persistency table: enable=1 "
87 "(default=MPTSCSIH_PT_CLEAR=0)");
88
89 /* scsi-mid layer global parmeter is max_report_luns, which is 511 */
90 #define MPTSAS_MAX_LUN (16895)
91 static int max_lun = MPTSAS_MAX_LUN;
92 module_param(max_lun, int, 0);
93 MODULE_PARM_DESC(max_lun, " max lun, default=16895 ");
94
95 static u8 mptsasDoneCtx = MPT_MAX_PROTOCOL_DRIVERS;
96 static u8 mptsasTaskCtx = MPT_MAX_PROTOCOL_DRIVERS;
97 static u8 mptsasInternalCtx = MPT_MAX_PROTOCOL_DRIVERS; /* Used only for internal commands */
98 static u8 mptsasMgmtCtx = MPT_MAX_PROTOCOL_DRIVERS;
99 static u8 mptsasDeviceResetCtx = MPT_MAX_PROTOCOL_DRIVERS;
100
101 static void mptsas_firmware_event_work(struct work_struct *work);
102 static void mptsas_send_sas_event(struct fw_event_work *fw_event);
103 static void mptsas_send_raid_event(struct fw_event_work *fw_event);
104 static void mptsas_send_ir2_event(struct fw_event_work *fw_event);
105 static void mptsas_parse_device_info(struct sas_identify *identify,
106 struct mptsas_devinfo *device_info);
107 static inline void mptsas_set_rphy(MPT_ADAPTER *ioc,
108 struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy);
109 static struct mptsas_phyinfo *mptsas_find_phyinfo_by_sas_address
110 (MPT_ADAPTER *ioc, u64 sas_address);
111 static int mptsas_sas_device_pg0(MPT_ADAPTER *ioc,
112 struct mptsas_devinfo *device_info, u32 form, u32 form_specific);
113 static int mptsas_sas_enclosure_pg0(MPT_ADAPTER *ioc,
114 struct mptsas_enclosure *enclosure, u32 form, u32 form_specific);
115 static int mptsas_add_end_device(MPT_ADAPTER *ioc,
116 struct mptsas_phyinfo *phy_info);
117 static void mptsas_del_end_device(MPT_ADAPTER *ioc,
118 struct mptsas_phyinfo *phy_info);
119 static void mptsas_send_link_status_event(struct fw_event_work *fw_event);
120 static struct mptsas_portinfo *mptsas_find_portinfo_by_sas_address
121 (MPT_ADAPTER *ioc, u64 sas_address);
122 static void mptsas_expander_delete(MPT_ADAPTER *ioc,
123 struct mptsas_portinfo *port_info, u8 force);
124 static void mptsas_send_expander_event(struct fw_event_work *fw_event);
125 static void mptsas_not_responding_devices(MPT_ADAPTER *ioc);
126 static void mptsas_scan_sas_topology(MPT_ADAPTER *ioc);
127 static void mptsas_broadcast_primative_work(struct fw_event_work *fw_event);
128 static void mptsas_handle_queue_full_event(struct fw_event_work *fw_event);
129 static void mptsas_volume_delete(MPT_ADAPTER *ioc, u8 id);
130 void mptsas_schedule_target_reset(void *ioc);
131
132 static void mptsas_print_phy_data(MPT_ADAPTER *ioc,
133 MPI_SAS_IO_UNIT0_PHY_DATA *phy_data)
134 {
135 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
136 "---- IO UNIT PAGE 0 ------------\n", ioc->name));
137 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Handle=0x%X\n",
138 ioc->name, le16_to_cpu(phy_data->AttachedDeviceHandle)));
139 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Controller Handle=0x%X\n",
140 ioc->name, le16_to_cpu(phy_data->ControllerDevHandle)));
141 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Port=0x%X\n",
142 ioc->name, phy_data->Port));
143 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Port Flags=0x%X\n",
144 ioc->name, phy_data->PortFlags));
145 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PHY Flags=0x%X\n",
146 ioc->name, phy_data->PhyFlags));
147 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Negotiated Link Rate=0x%X\n",
148 ioc->name, phy_data->NegotiatedLinkRate));
149 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
150 "Controller PHY Device Info=0x%X\n", ioc->name,
151 le32_to_cpu(phy_data->ControllerPhyDeviceInfo)));
152 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DiscoveryStatus=0x%X\n\n",
153 ioc->name, le32_to_cpu(phy_data->DiscoveryStatus)));
154 }
155
156 static void mptsas_print_phy_pg0(MPT_ADAPTER *ioc, SasPhyPage0_t *pg0)
157 {
158 __le64 sas_address;
159
160 memcpy(&sas_address, &pg0->SASAddress, sizeof(__le64));
161
162 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
163 "---- SAS PHY PAGE 0 ------------\n", ioc->name));
164 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
165 "Attached Device Handle=0x%X\n", ioc->name,
166 le16_to_cpu(pg0->AttachedDevHandle)));
167 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SAS Address=0x%llX\n",
168 ioc->name, (unsigned long long)le64_to_cpu(sas_address)));
169 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
170 "Attached PHY Identifier=0x%X\n", ioc->name,
171 pg0->AttachedPhyIdentifier));
172 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Attached Device Info=0x%X\n",
173 ioc->name, le32_to_cpu(pg0->AttachedDeviceInfo)));
174 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Programmed Link Rate=0x%X\n",
175 ioc->name, pg0->ProgrammedLinkRate));
176 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Change Count=0x%X\n",
177 ioc->name, pg0->ChangeCount));
178 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PHY Info=0x%X\n\n",
179 ioc->name, le32_to_cpu(pg0->PhyInfo)));
180 }
181
182 static void mptsas_print_phy_pg1(MPT_ADAPTER *ioc, SasPhyPage1_t *pg1)
183 {
184 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
185 "---- SAS PHY PAGE 1 ------------\n", ioc->name));
186 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Invalid Dword Count=0x%x\n",
187 ioc->name, pg1->InvalidDwordCount));
188 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
189 "Running Disparity Error Count=0x%x\n", ioc->name,
190 pg1->RunningDisparityErrorCount));
191 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
192 "Loss Dword Synch Count=0x%x\n", ioc->name,
193 pg1->LossDwordSynchCount));
194 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
195 "PHY Reset Problem Count=0x%x\n\n", ioc->name,
196 pg1->PhyResetProblemCount));
197 }
198
199 static void mptsas_print_device_pg0(MPT_ADAPTER *ioc, SasDevicePage0_t *pg0)
200 {
201 __le64 sas_address;
202
203 memcpy(&sas_address, &pg0->SASAddress, sizeof(__le64));
204
205 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
206 "---- SAS DEVICE PAGE 0 ---------\n", ioc->name));
207 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Handle=0x%X\n",
208 ioc->name, le16_to_cpu(pg0->DevHandle)));
209 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Parent Handle=0x%X\n",
210 ioc->name, le16_to_cpu(pg0->ParentDevHandle)));
211 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Enclosure Handle=0x%X\n",
212 ioc->name, le16_to_cpu(pg0->EnclosureHandle)));
213 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Slot=0x%X\n",
214 ioc->name, le16_to_cpu(pg0->Slot)));
215 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SAS Address=0x%llX\n",
216 ioc->name, (unsigned long long)le64_to_cpu(sas_address)));
217 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Target ID=0x%X\n",
218 ioc->name, pg0->TargetID));
219 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Bus=0x%X\n",
220 ioc->name, pg0->Bus));
221 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Parent Phy Num=0x%X\n",
222 ioc->name, pg0->PhyNum));
223 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Access Status=0x%X\n",
224 ioc->name, le16_to_cpu(pg0->AccessStatus)));
225 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Device Info=0x%X\n",
226 ioc->name, le32_to_cpu(pg0->DeviceInfo)));
227 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Flags=0x%X\n",
228 ioc->name, le16_to_cpu(pg0->Flags)));
229 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Physical Port=0x%X\n\n",
230 ioc->name, pg0->PhysicalPort));
231 }
232
233 static void mptsas_print_expander_pg1(MPT_ADAPTER *ioc, SasExpanderPage1_t *pg1)
234 {
235 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
236 "---- SAS EXPANDER PAGE 1 ------------\n", ioc->name));
237 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Physical Port=0x%X\n",
238 ioc->name, pg1->PhysicalPort));
239 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PHY Identifier=0x%X\n",
240 ioc->name, pg1->PhyIdentifier));
241 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Negotiated Link Rate=0x%X\n",
242 ioc->name, pg1->NegotiatedLinkRate));
243 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Programmed Link Rate=0x%X\n",
244 ioc->name, pg1->ProgrammedLinkRate));
245 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hardware Link Rate=0x%X\n",
246 ioc->name, pg1->HwLinkRate));
247 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Owner Device Handle=0x%X\n",
248 ioc->name, le16_to_cpu(pg1->OwnerDevHandle)));
249 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
250 "Attached Device Handle=0x%X\n\n", ioc->name,
251 le16_to_cpu(pg1->AttachedDevHandle)));
252 }
253
254 /* inhibit sas firmware event handling */
255 static void
256 mptsas_fw_event_off(MPT_ADAPTER *ioc)
257 {
258 unsigned long flags;
259
260 spin_lock_irqsave(&ioc->fw_event_lock, flags);
261 ioc->fw_events_off = 1;
262 ioc->sas_discovery_quiesce_io = 0;
263 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
264
265 }
266
267 /* enable sas firmware event handling */
268 static void
269 mptsas_fw_event_on(MPT_ADAPTER *ioc)
270 {
271 unsigned long flags;
272
273 spin_lock_irqsave(&ioc->fw_event_lock, flags);
274 ioc->fw_events_off = 0;
275 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
276 }
277
278 /* queue a sas firmware event */
279 static void
280 mptsas_add_fw_event(MPT_ADAPTER *ioc, struct fw_event_work *fw_event,
281 unsigned long delay)
282 {
283 unsigned long flags;
284
285 spin_lock_irqsave(&ioc->fw_event_lock, flags);
286 list_add_tail(&fw_event->list, &ioc->fw_event_list);
287 INIT_DELAYED_WORK(&fw_event->work, mptsas_firmware_event_work);
288 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: add (fw_event=0x%p)\n",
289 ioc->name, __func__, fw_event));
290 queue_delayed_work(ioc->fw_event_q, &fw_event->work,
291 delay);
292 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
293 }
294
295 /* requeue a sas firmware event */
296 static void
297 mptsas_requeue_fw_event(MPT_ADAPTER *ioc, struct fw_event_work *fw_event,
298 unsigned long delay)
299 {
300 unsigned long flags;
301 spin_lock_irqsave(&ioc->fw_event_lock, flags);
302 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: reschedule task "
303 "(fw_event=0x%p)\n", ioc->name, __func__, fw_event));
304 fw_event->retries++;
305 queue_delayed_work(ioc->fw_event_q, &fw_event->work,
306 msecs_to_jiffies(delay));
307 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
308 }
309
310 /* free memory associated to a sas firmware event */
311 static void
312 mptsas_free_fw_event(MPT_ADAPTER *ioc, struct fw_event_work *fw_event)
313 {
314 unsigned long flags;
315
316 spin_lock_irqsave(&ioc->fw_event_lock, flags);
317 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: kfree (fw_event=0x%p)\n",
318 ioc->name, __func__, fw_event));
319 list_del(&fw_event->list);
320 kfree(fw_event);
321 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
322 }
323
324 /* walk the firmware event queue, and either stop or wait for
325 * outstanding events to complete */
326 static void
327 mptsas_cleanup_fw_event_q(MPT_ADAPTER *ioc)
328 {
329 struct fw_event_work *fw_event, *next;
330 struct mptsas_target_reset_event *target_reset_list, *n;
331 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
332
333 /* flush the target_reset_list */
334 if (!list_empty(&hd->target_reset_list)) {
335 list_for_each_entry_safe(target_reset_list, n,
336 &hd->target_reset_list, list) {
337 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
338 "%s: removing target reset for id=%d\n",
339 ioc->name, __func__,
340 target_reset_list->sas_event_data.TargetID));
341 list_del(&target_reset_list->list);
342 kfree(target_reset_list);
343 }
344 }
345
346 if (list_empty(&ioc->fw_event_list) ||
347 !ioc->fw_event_q || in_interrupt())
348 return;
349
350 list_for_each_entry_safe(fw_event, next, &ioc->fw_event_list, list) {
351 if (cancel_delayed_work(&fw_event->work))
352 mptsas_free_fw_event(ioc, fw_event);
353 }
354 }
355
356
357 static inline MPT_ADAPTER *phy_to_ioc(struct sas_phy *phy)
358 {
359 struct Scsi_Host *shost = dev_to_shost(phy->dev.parent);
360 return ((MPT_SCSI_HOST *)shost->hostdata)->ioc;
361 }
362
363 static inline MPT_ADAPTER *rphy_to_ioc(struct sas_rphy *rphy)
364 {
365 struct Scsi_Host *shost = dev_to_shost(rphy->dev.parent->parent);
366 return ((MPT_SCSI_HOST *)shost->hostdata)->ioc;
367 }
368
369 /*
370 * mptsas_find_portinfo_by_handle
371 *
372 * This function should be called with the sas_topology_mutex already held
373 */
374 static struct mptsas_portinfo *
375 mptsas_find_portinfo_by_handle(MPT_ADAPTER *ioc, u16 handle)
376 {
377 struct mptsas_portinfo *port_info, *rc=NULL;
378 int i;
379
380 list_for_each_entry(port_info, &ioc->sas_topology, list)
381 for (i = 0; i < port_info->num_phys; i++)
382 if (port_info->phy_info[i].identify.handle == handle) {
383 rc = port_info;
384 goto out;
385 }
386 out:
387 return rc;
388 }
389
390 /**
391 * mptsas_find_portinfo_by_sas_address -
392 * @ioc: Pointer to MPT_ADAPTER structure
393 * @handle:
394 *
395 * This function should be called with the sas_topology_mutex already held
396 *
397 **/
398 static struct mptsas_portinfo *
399 mptsas_find_portinfo_by_sas_address(MPT_ADAPTER *ioc, u64 sas_address)
400 {
401 struct mptsas_portinfo *port_info, *rc = NULL;
402 int i;
403
404 if (sas_address >= ioc->hba_port_sas_addr &&
405 sas_address < (ioc->hba_port_sas_addr +
406 ioc->hba_port_num_phy))
407 return ioc->hba_port_info;
408
409 mutex_lock(&ioc->sas_topology_mutex);
410 list_for_each_entry(port_info, &ioc->sas_topology, list)
411 for (i = 0; i < port_info->num_phys; i++)
412 if (port_info->phy_info[i].identify.sas_address ==
413 sas_address) {
414 rc = port_info;
415 goto out;
416 }
417 out:
418 mutex_unlock(&ioc->sas_topology_mutex);
419 return rc;
420 }
421
422 /*
423 * Returns true if there is a scsi end device
424 */
425 static inline int
426 mptsas_is_end_device(struct mptsas_devinfo * attached)
427 {
428 if ((attached->sas_address) &&
429 (attached->device_info &
430 MPI_SAS_DEVICE_INFO_END_DEVICE) &&
431 ((attached->device_info &
432 MPI_SAS_DEVICE_INFO_SSP_TARGET) |
433 (attached->device_info &
434 MPI_SAS_DEVICE_INFO_STP_TARGET) |
435 (attached->device_info &
436 MPI_SAS_DEVICE_INFO_SATA_DEVICE)))
437 return 1;
438 else
439 return 0;
440 }
441
442 /* no mutex */
443 static void
444 mptsas_port_delete(MPT_ADAPTER *ioc, struct mptsas_portinfo_details * port_details)
445 {
446 struct mptsas_portinfo *port_info;
447 struct mptsas_phyinfo *phy_info;
448 u8 i;
449
450 if (!port_details)
451 return;
452
453 port_info = port_details->port_info;
454 phy_info = port_info->phy_info;
455
456 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: [%p]: num_phys=%02d "
457 "bitmask=0x%016llX\n", ioc->name, __func__, port_details,
458 port_details->num_phys, (unsigned long long)
459 port_details->phy_bitmask));
460
461 for (i = 0; i < port_info->num_phys; i++, phy_info++) {
462 if(phy_info->port_details != port_details)
463 continue;
464 memset(&phy_info->attached, 0, sizeof(struct mptsas_devinfo));
465 mptsas_set_rphy(ioc, phy_info, NULL);
466 phy_info->port_details = NULL;
467 }
468 kfree(port_details);
469 }
470
471 static inline struct sas_rphy *
472 mptsas_get_rphy(struct mptsas_phyinfo *phy_info)
473 {
474 if (phy_info->port_details)
475 return phy_info->port_details->rphy;
476 else
477 return NULL;
478 }
479
480 static inline void
481 mptsas_set_rphy(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy)
482 {
483 if (phy_info->port_details) {
484 phy_info->port_details->rphy = rphy;
485 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sas_rphy_add: rphy=%p\n",
486 ioc->name, rphy));
487 }
488
489 if (rphy) {
490 dsaswideprintk(ioc, dev_printk(KERN_DEBUG,
491 &rphy->dev, MYIOC_s_FMT "add:", ioc->name));
492 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "rphy=%p release=%p\n",
493 ioc->name, rphy, rphy->dev.release));
494 }
495 }
496
497 static inline struct sas_port *
498 mptsas_get_port(struct mptsas_phyinfo *phy_info)
499 {
500 if (phy_info->port_details)
501 return phy_info->port_details->port;
502 else
503 return NULL;
504 }
505
506 static inline void
507 mptsas_set_port(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_port *port)
508 {
509 if (phy_info->port_details)
510 phy_info->port_details->port = port;
511
512 if (port) {
513 dsaswideprintk(ioc, dev_printk(KERN_DEBUG,
514 &port->dev, MYIOC_s_FMT "add:", ioc->name));
515 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "port=%p release=%p\n",
516 ioc->name, port, port->dev.release));
517 }
518 }
519
520 static inline struct scsi_target *
521 mptsas_get_starget(struct mptsas_phyinfo *phy_info)
522 {
523 if (phy_info->port_details)
524 return phy_info->port_details->starget;
525 else
526 return NULL;
527 }
528
529 static inline void
530 mptsas_set_starget(struct mptsas_phyinfo *phy_info, struct scsi_target *
531 starget)
532 {
533 if (phy_info->port_details)
534 phy_info->port_details->starget = starget;
535 }
536
537 /**
538 * mptsas_add_device_component -
539 * @ioc: Pointer to MPT_ADAPTER structure
540 * @channel: fw mapped id's
541 * @id:
542 * @sas_address:
543 * @device_info:
544 *
545 **/
546 static void
547 mptsas_add_device_component(MPT_ADAPTER *ioc, u8 channel, u8 id,
548 u64 sas_address, u32 device_info, u16 slot, u64 enclosure_logical_id)
549 {
550 struct mptsas_device_info *sas_info, *next;
551 struct scsi_device *sdev;
552 struct scsi_target *starget;
553 struct sas_rphy *rphy;
554
555 /*
556 * Delete all matching devices out of the list
557 */
558 mutex_lock(&ioc->sas_device_info_mutex);
559 list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list,
560 list) {
561 if (!sas_info->is_logical_volume &&
562 (sas_info->sas_address == sas_address ||
563 (sas_info->fw.channel == channel &&
564 sas_info->fw.id == id))) {
565 list_del(&sas_info->list);
566 kfree(sas_info);
567 }
568 }
569
570 sas_info = kzalloc(sizeof(struct mptsas_device_info), GFP_KERNEL);
571 if (!sas_info)
572 goto out;
573
574 /*
575 * Set Firmware mapping
576 */
577 sas_info->fw.id = id;
578 sas_info->fw.channel = channel;
579
580 sas_info->sas_address = sas_address;
581 sas_info->device_info = device_info;
582 sas_info->slot = slot;
583 sas_info->enclosure_logical_id = enclosure_logical_id;
584 INIT_LIST_HEAD(&sas_info->list);
585 list_add_tail(&sas_info->list, &ioc->sas_device_info_list);
586
587 /*
588 * Set OS mapping
589 */
590 shost_for_each_device(sdev, ioc->sh) {
591 starget = scsi_target(sdev);
592 rphy = dev_to_rphy(starget->dev.parent);
593 if (rphy->identify.sas_address == sas_address) {
594 sas_info->os.id = starget->id;
595 sas_info->os.channel = starget->channel;
596 }
597 }
598
599 out:
600 mutex_unlock(&ioc->sas_device_info_mutex);
601 return;
602 }
603
604 /**
605 * mptsas_add_device_component_by_fw -
606 * @ioc: Pointer to MPT_ADAPTER structure
607 * @channel: fw mapped id's
608 * @id:
609 *
610 **/
611 static void
612 mptsas_add_device_component_by_fw(MPT_ADAPTER *ioc, u8 channel, u8 id)
613 {
614 struct mptsas_devinfo sas_device;
615 struct mptsas_enclosure enclosure_info;
616 int rc;
617
618 rc = mptsas_sas_device_pg0(ioc, &sas_device,
619 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
620 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
621 (channel << 8) + id);
622 if (rc)
623 return;
624
625 memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure));
626 mptsas_sas_enclosure_pg0(ioc, &enclosure_info,
627 (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE <<
628 MPI_SAS_ENCLOS_PGAD_FORM_SHIFT),
629 sas_device.handle_enclosure);
630
631 mptsas_add_device_component(ioc, sas_device.channel,
632 sas_device.id, sas_device.sas_address, sas_device.device_info,
633 sas_device.slot, enclosure_info.enclosure_logical_id);
634 }
635
636 /**
637 * mptsas_add_device_component_starget_ir - Handle Integrated RAID, adding each individual device to list
638 * @ioc: Pointer to MPT_ADAPTER structure
639 * @channel: fw mapped id's
640 * @id:
641 *
642 **/
643 static void
644 mptsas_add_device_component_starget_ir(MPT_ADAPTER *ioc,
645 struct scsi_target *starget)
646 {
647 CONFIGPARMS cfg;
648 ConfigPageHeader_t hdr;
649 dma_addr_t dma_handle;
650 pRaidVolumePage0_t buffer = NULL;
651 int i;
652 RaidPhysDiskPage0_t phys_disk;
653 struct mptsas_device_info *sas_info, *next;
654
655 memset(&cfg, 0 , sizeof(CONFIGPARMS));
656 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
657 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME;
658 /* assumption that all volumes on channel = 0 */
659 cfg.pageAddr = starget->id;
660 cfg.cfghdr.hdr = &hdr;
661 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
662 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
663
664 if (mpt_config(ioc, &cfg) != 0)
665 goto out;
666
667 if (!hdr.PageLength)
668 goto out;
669
670 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
671 &dma_handle);
672
673 if (!buffer)
674 goto out;
675
676 cfg.physAddr = dma_handle;
677 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
678
679 if (mpt_config(ioc, &cfg) != 0)
680 goto out;
681
682 if (!buffer->NumPhysDisks)
683 goto out;
684
685 /*
686 * Adding entry for hidden components
687 */
688 for (i = 0; i < buffer->NumPhysDisks; i++) {
689
690 if (mpt_raid_phys_disk_pg0(ioc,
691 buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0)
692 continue;
693
694 mptsas_add_device_component_by_fw(ioc, phys_disk.PhysDiskBus,
695 phys_disk.PhysDiskID);
696
697 mutex_lock(&ioc->sas_device_info_mutex);
698 list_for_each_entry(sas_info, &ioc->sas_device_info_list,
699 list) {
700 if (!sas_info->is_logical_volume &&
701 (sas_info->fw.channel == phys_disk.PhysDiskBus &&
702 sas_info->fw.id == phys_disk.PhysDiskID)) {
703 sas_info->is_hidden_raid_component = 1;
704 sas_info->volume_id = starget->id;
705 }
706 }
707 mutex_unlock(&ioc->sas_device_info_mutex);
708
709 }
710
711 /*
712 * Delete all matching devices out of the list
713 */
714 mutex_lock(&ioc->sas_device_info_mutex);
715 list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list,
716 list) {
717 if (sas_info->is_logical_volume && sas_info->fw.id ==
718 starget->id) {
719 list_del(&sas_info->list);
720 kfree(sas_info);
721 }
722 }
723
724 sas_info = kzalloc(sizeof(struct mptsas_device_info), GFP_KERNEL);
725 if (sas_info) {
726 sas_info->fw.id = starget->id;
727 sas_info->os.id = starget->id;
728 sas_info->os.channel = starget->channel;
729 sas_info->is_logical_volume = 1;
730 INIT_LIST_HEAD(&sas_info->list);
731 list_add_tail(&sas_info->list, &ioc->sas_device_info_list);
732 }
733 mutex_unlock(&ioc->sas_device_info_mutex);
734
735 out:
736 if (buffer)
737 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
738 dma_handle);
739 }
740
741 /**
742 * mptsas_add_device_component_starget -
743 * @ioc: Pointer to MPT_ADAPTER structure
744 * @starget:
745 *
746 **/
747 static void
748 mptsas_add_device_component_starget(MPT_ADAPTER *ioc,
749 struct scsi_target *starget)
750 {
751 VirtTarget *vtarget;
752 struct sas_rphy *rphy;
753 struct mptsas_phyinfo *phy_info = NULL;
754 struct mptsas_enclosure enclosure_info;
755
756 rphy = dev_to_rphy(starget->dev.parent);
757 vtarget = starget->hostdata;
758 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
759 rphy->identify.sas_address);
760 if (!phy_info)
761 return;
762
763 memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure));
764 mptsas_sas_enclosure_pg0(ioc, &enclosure_info,
765 (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE <<
766 MPI_SAS_ENCLOS_PGAD_FORM_SHIFT),
767 phy_info->attached.handle_enclosure);
768
769 mptsas_add_device_component(ioc, phy_info->attached.channel,
770 phy_info->attached.id, phy_info->attached.sas_address,
771 phy_info->attached.device_info,
772 phy_info->attached.slot, enclosure_info.enclosure_logical_id);
773 }
774
775 /**
776 * mptsas_del_device_component_by_os - Once a device has been removed, we mark the entry in the list as being cached
777 * @ioc: Pointer to MPT_ADAPTER structure
778 * @channel: os mapped id's
779 * @id:
780 *
781 **/
782 static void
783 mptsas_del_device_component_by_os(MPT_ADAPTER *ioc, u8 channel, u8 id)
784 {
785 struct mptsas_device_info *sas_info, *next;
786
787 /*
788 * Set is_cached flag
789 */
790 list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list,
791 list) {
792 if (sas_info->os.channel == channel && sas_info->os.id == id)
793 sas_info->is_cached = 1;
794 }
795 }
796
797 /**
798 * mptsas_del_device_components - Cleaning the list
799 * @ioc: Pointer to MPT_ADAPTER structure
800 *
801 **/
802 static void
803 mptsas_del_device_components(MPT_ADAPTER *ioc)
804 {
805 struct mptsas_device_info *sas_info, *next;
806
807 mutex_lock(&ioc->sas_device_info_mutex);
808 list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list,
809 list) {
810 list_del(&sas_info->list);
811 kfree(sas_info);
812 }
813 mutex_unlock(&ioc->sas_device_info_mutex);
814 }
815
816
817 /*
818 * mptsas_setup_wide_ports
819 *
820 * Updates for new and existing narrow/wide port configuration
821 * in the sas_topology
822 */
823 static void
824 mptsas_setup_wide_ports(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
825 {
826 struct mptsas_portinfo_details * port_details;
827 struct mptsas_phyinfo *phy_info, *phy_info_cmp;
828 u64 sas_address;
829 int i, j;
830
831 mutex_lock(&ioc->sas_topology_mutex);
832
833 phy_info = port_info->phy_info;
834 for (i = 0 ; i < port_info->num_phys ; i++, phy_info++) {
835 if (phy_info->attached.handle)
836 continue;
837 port_details = phy_info->port_details;
838 if (!port_details)
839 continue;
840 if (port_details->num_phys < 2)
841 continue;
842 /*
843 * Removing a phy from a port, letting the last
844 * phy be removed by firmware events.
845 */
846 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT
847 "%s: [%p]: deleting phy = %d\n",
848 ioc->name, __func__, port_details, i));
849 port_details->num_phys--;
850 port_details->phy_bitmask &= ~ (1 << phy_info->phy_id);
851 memset(&phy_info->attached, 0, sizeof(struct mptsas_devinfo));
852 if (phy_info->phy) {
853 devtprintk(ioc, dev_printk(KERN_DEBUG,
854 &phy_info->phy->dev, MYIOC_s_FMT
855 "delete phy %d, phy-obj (0x%p)\n", ioc->name,
856 phy_info->phy_id, phy_info->phy));
857 sas_port_delete_phy(port_details->port, phy_info->phy);
858 }
859 phy_info->port_details = NULL;
860 }
861
862 /*
863 * Populate and refresh the tree
864 */
865 phy_info = port_info->phy_info;
866 for (i = 0 ; i < port_info->num_phys ; i++, phy_info++) {
867 sas_address = phy_info->attached.sas_address;
868 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "phy_id=%d sas_address=0x%018llX\n",
869 ioc->name, i, (unsigned long long)sas_address));
870 if (!sas_address)
871 continue;
872 port_details = phy_info->port_details;
873 /*
874 * Forming a port
875 */
876 if (!port_details) {
877 port_details = kzalloc(sizeof(struct
878 mptsas_portinfo_details), GFP_KERNEL);
879 if (!port_details)
880 goto out;
881 port_details->num_phys = 1;
882 port_details->port_info = port_info;
883 if (phy_info->phy_id < 64 )
884 port_details->phy_bitmask |=
885 (1 << phy_info->phy_id);
886 phy_info->sas_port_add_phy=1;
887 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\t\tForming port\n\t\t"
888 "phy_id=%d sas_address=0x%018llX\n",
889 ioc->name, i, (unsigned long long)sas_address));
890 phy_info->port_details = port_details;
891 }
892
893 if (i == port_info->num_phys - 1)
894 continue;
895 phy_info_cmp = &port_info->phy_info[i + 1];
896 for (j = i + 1 ; j < port_info->num_phys ; j++,
897 phy_info_cmp++) {
898 if (!phy_info_cmp->attached.sas_address)
899 continue;
900 if (sas_address != phy_info_cmp->attached.sas_address)
901 continue;
902 if (phy_info_cmp->port_details == port_details )
903 continue;
904 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT
905 "\t\tphy_id=%d sas_address=0x%018llX\n",
906 ioc->name, j, (unsigned long long)
907 phy_info_cmp->attached.sas_address));
908 if (phy_info_cmp->port_details) {
909 port_details->rphy =
910 mptsas_get_rphy(phy_info_cmp);
911 port_details->port =
912 mptsas_get_port(phy_info_cmp);
913 port_details->starget =
914 mptsas_get_starget(phy_info_cmp);
915 port_details->num_phys =
916 phy_info_cmp->port_details->num_phys;
917 if (!phy_info_cmp->port_details->num_phys)
918 kfree(phy_info_cmp->port_details);
919 } else
920 phy_info_cmp->sas_port_add_phy=1;
921 /*
922 * Adding a phy to a port
923 */
924 phy_info_cmp->port_details = port_details;
925 if (phy_info_cmp->phy_id < 64 )
926 port_details->phy_bitmask |=
927 (1 << phy_info_cmp->phy_id);
928 port_details->num_phys++;
929 }
930 }
931
932 out:
933
934 for (i = 0; i < port_info->num_phys; i++) {
935 port_details = port_info->phy_info[i].port_details;
936 if (!port_details)
937 continue;
938 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT
939 "%s: [%p]: phy_id=%02d num_phys=%02d "
940 "bitmask=0x%016llX\n", ioc->name, __func__,
941 port_details, i, port_details->num_phys,
942 (unsigned long long)port_details->phy_bitmask));
943 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\t\tport = %p rphy=%p\n",
944 ioc->name, port_details->port, port_details->rphy));
945 }
946 dsaswideprintk(ioc, printk("\n"));
947 mutex_unlock(&ioc->sas_topology_mutex);
948 }
949
950 /**
951 * csmisas_find_vtarget
952 *
953 * @ioc
954 * @volume_id
955 * @volume_bus
956 *
957 **/
958 static VirtTarget *
959 mptsas_find_vtarget(MPT_ADAPTER *ioc, u8 channel, u8 id)
960 {
961 struct scsi_device *sdev;
962 VirtDevice *vdevice;
963 VirtTarget *vtarget = NULL;
964
965 shost_for_each_device(sdev, ioc->sh) {
966 vdevice = sdev->hostdata;
967 if ((vdevice == NULL) ||
968 (vdevice->vtarget == NULL))
969 continue;
970 if ((vdevice->vtarget->tflags &
971 MPT_TARGET_FLAGS_RAID_COMPONENT ||
972 vdevice->vtarget->raidVolume))
973 continue;
974 if (vdevice->vtarget->id == id &&
975 vdevice->vtarget->channel == channel)
976 vtarget = vdevice->vtarget;
977 }
978 return vtarget;
979 }
980
981 static void
982 mptsas_queue_device_delete(MPT_ADAPTER *ioc,
983 MpiEventDataSasDeviceStatusChange_t *sas_event_data)
984 {
985 struct fw_event_work *fw_event;
986 int sz;
987
988 sz = offsetof(struct fw_event_work, event_data) +
989 sizeof(MpiEventDataSasDeviceStatusChange_t);
990 fw_event = kzalloc(sz, GFP_ATOMIC);
991 if (!fw_event) {
992 printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n",
993 ioc->name, __func__, __LINE__);
994 return;
995 }
996 memcpy(fw_event->event_data, sas_event_data,
997 sizeof(MpiEventDataSasDeviceStatusChange_t));
998 fw_event->event = MPI_EVENT_SAS_DEVICE_STATUS_CHANGE;
999 fw_event->ioc = ioc;
1000 mptsas_add_fw_event(ioc, fw_event, msecs_to_jiffies(1));
1001 }
1002
1003 static void
1004 mptsas_queue_rescan(MPT_ADAPTER *ioc)
1005 {
1006 struct fw_event_work *fw_event;
1007 int sz;
1008
1009 sz = offsetof(struct fw_event_work, event_data);
1010 fw_event = kzalloc(sz, GFP_ATOMIC);
1011 if (!fw_event) {
1012 printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n",
1013 ioc->name, __func__, __LINE__);
1014 return;
1015 }
1016 fw_event->event = -1;
1017 fw_event->ioc = ioc;
1018 mptsas_add_fw_event(ioc, fw_event, msecs_to_jiffies(1));
1019 }
1020
1021
1022 /**
1023 * mptsas_target_reset
1024 *
1025 * Issues TARGET_RESET to end device using handshaking method
1026 *
1027 * @ioc
1028 * @channel
1029 * @id
1030 *
1031 * Returns (1) success
1032 * (0) failure
1033 *
1034 **/
1035 static int
1036 mptsas_target_reset(MPT_ADAPTER *ioc, u8 channel, u8 id)
1037 {
1038 MPT_FRAME_HDR *mf;
1039 SCSITaskMgmt_t *pScsiTm;
1040 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0)
1041 return 0;
1042
1043
1044 mf = mpt_get_msg_frame(mptsasDeviceResetCtx, ioc);
1045 if (mf == NULL) {
1046 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT
1047 "%s, no msg frames @%d!!\n", ioc->name,
1048 __func__, __LINE__));
1049 goto out_fail;
1050 }
1051
1052 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
1053 ioc->name, mf));
1054
1055 /* Format the Request
1056 */
1057 pScsiTm = (SCSITaskMgmt_t *) mf;
1058 memset (pScsiTm, 0, sizeof(SCSITaskMgmt_t));
1059 pScsiTm->TargetID = id;
1060 pScsiTm->Bus = channel;
1061 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1062 pScsiTm->TaskType = MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
1063 pScsiTm->MsgFlags = MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION;
1064
1065 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)mf);
1066
1067 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1068 "TaskMgmt type=%d (sas device delete) fw_channel = %d fw_id = %d)\n",
1069 ioc->name, MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET, channel, id));
1070
1071 mpt_put_msg_frame_hi_pri(mptsasDeviceResetCtx, ioc, mf);
1072
1073 return 1;
1074
1075 out_fail:
1076
1077 mpt_clear_taskmgmt_in_progress_flag(ioc);
1078 return 0;
1079 }
1080
1081 static void
1082 mptsas_block_io_sdev(struct scsi_device *sdev, void *data)
1083 {
1084 scsi_device_set_state(sdev, SDEV_BLOCK);
1085 }
1086
1087 static void
1088 mptsas_block_io_starget(struct scsi_target *starget)
1089 {
1090 if (starget)
1091 starget_for_each_device(starget, NULL, mptsas_block_io_sdev);
1092 }
1093
1094 /**
1095 * mptsas_target_reset_queue
1096 *
1097 * Receive request for TARGET_RESET after receiving an firmware
1098 * event NOT_RESPONDING_EVENT, then put command in link list
1099 * and queue if task_queue already in use.
1100 *
1101 * @ioc
1102 * @sas_event_data
1103 *
1104 **/
1105 static void
1106 mptsas_target_reset_queue(MPT_ADAPTER *ioc,
1107 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data)
1108 {
1109 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
1110 VirtTarget *vtarget = NULL;
1111 struct mptsas_target_reset_event *target_reset_list;
1112 u8 id, channel;
1113
1114 id = sas_event_data->TargetID;
1115 channel = sas_event_data->Bus;
1116
1117 vtarget = mptsas_find_vtarget(ioc, channel, id);
1118 if (vtarget) {
1119 mptsas_block_io_starget(vtarget->starget);
1120 vtarget->deleted = 1; /* block IO */
1121 }
1122
1123 target_reset_list = kzalloc(sizeof(struct mptsas_target_reset_event),
1124 GFP_ATOMIC);
1125 if (!target_reset_list) {
1126 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT
1127 "%s, failed to allocate mem @%d..!!\n",
1128 ioc->name, __func__, __LINE__));
1129 return;
1130 }
1131
1132 memcpy(&target_reset_list->sas_event_data, sas_event_data,
1133 sizeof(*sas_event_data));
1134 list_add_tail(&target_reset_list->list, &hd->target_reset_list);
1135
1136 target_reset_list->time_count = jiffies;
1137
1138 if (mptsas_target_reset(ioc, channel, id)) {
1139 target_reset_list->target_reset_issued = 1;
1140 }
1141 }
1142
1143 /**
1144 * mptsas_schedule_target_reset- send pending target reset
1145 * @iocp: per adapter object
1146 *
1147 * This function will delete scheduled target reset from the list and
1148 * try to send next target reset. This will be called from completion
1149 * context of any Task management command.
1150 */
1151
1152 void
1153 mptsas_schedule_target_reset(void *iocp)
1154 {
1155 MPT_ADAPTER *ioc = (MPT_ADAPTER *)(iocp);
1156 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
1157 struct list_head *head = &hd->target_reset_list;
1158 struct mptsas_target_reset_event *target_reset_list;
1159 u8 id, channel;
1160 /*
1161 * issue target reset to next device in the queue
1162 */
1163
1164 head = &hd->target_reset_list;
1165 if (list_empty(head))
1166 return;
1167
1168 target_reset_list = list_entry(head->next,
1169 struct mptsas_target_reset_event, list);
1170
1171 id = target_reset_list->sas_event_data.TargetID;
1172 channel = target_reset_list->sas_event_data.Bus;
1173 target_reset_list->time_count = jiffies;
1174
1175 if (mptsas_target_reset(ioc, channel, id))
1176 target_reset_list->target_reset_issued = 1;
1177 return;
1178 }
1179
1180
1181 /**
1182 * mptsas_taskmgmt_complete - complete SAS task management function
1183 * @ioc: Pointer to MPT_ADAPTER structure
1184 *
1185 * Completion for TARGET_RESET after NOT_RESPONDING_EVENT, enable work
1186 * queue to finish off removing device from upper layers. then send next
1187 * TARGET_RESET in the queue.
1188 **/
1189 static int
1190 mptsas_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
1191 {
1192 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
1193 struct list_head *head = &hd->target_reset_list;
1194 u8 id, channel;
1195 struct mptsas_target_reset_event *target_reset_list;
1196 SCSITaskMgmtReply_t *pScsiTmReply;
1197
1198 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt completed: "
1199 "(mf = %p, mr = %p)\n", ioc->name, mf, mr));
1200
1201 pScsiTmReply = (SCSITaskMgmtReply_t *)mr;
1202 if (pScsiTmReply) {
1203 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1204 "\tTaskMgmt completed: fw_channel = %d, fw_id = %d,\n"
1205 "\ttask_type = 0x%02X, iocstatus = 0x%04X "
1206 "loginfo = 0x%08X,\n\tresponse_code = 0x%02X, "
1207 "term_cmnds = %d\n", ioc->name,
1208 pScsiTmReply->Bus, pScsiTmReply->TargetID,
1209 pScsiTmReply->TaskType,
1210 le16_to_cpu(pScsiTmReply->IOCStatus),
1211 le32_to_cpu(pScsiTmReply->IOCLogInfo),
1212 pScsiTmReply->ResponseCode,
1213 le32_to_cpu(pScsiTmReply->TerminationCount)));
1214
1215 if (pScsiTmReply->ResponseCode)
1216 mptscsih_taskmgmt_response_code(ioc,
1217 pScsiTmReply->ResponseCode);
1218 }
1219
1220 if (pScsiTmReply && (pScsiTmReply->TaskType ==
1221 MPI_SCSITASKMGMT_TASKTYPE_QUERY_TASK || pScsiTmReply->TaskType ==
1222 MPI_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET)) {
1223 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
1224 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
1225 memcpy(ioc->taskmgmt_cmds.reply, mr,
1226 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
1227 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
1228 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
1229 complete(&ioc->taskmgmt_cmds.done);
1230 return 1;
1231 }
1232 return 0;
1233 }
1234
1235 mpt_clear_taskmgmt_in_progress_flag(ioc);
1236
1237 if (list_empty(head))
1238 return 1;
1239
1240 target_reset_list = list_entry(head->next,
1241 struct mptsas_target_reset_event, list);
1242
1243 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1244 "TaskMgmt: completed (%d seconds)\n",
1245 ioc->name, jiffies_to_msecs(jiffies -
1246 target_reset_list->time_count)/1000));
1247
1248 id = pScsiTmReply->TargetID;
1249 channel = pScsiTmReply->Bus;
1250 target_reset_list->time_count = jiffies;
1251
1252 /*
1253 * retry target reset
1254 */
1255 if (!target_reset_list->target_reset_issued) {
1256 if (mptsas_target_reset(ioc, channel, id))
1257 target_reset_list->target_reset_issued = 1;
1258 return 1;
1259 }
1260
1261 /*
1262 * enable work queue to remove device from upper layers
1263 */
1264 list_del(&target_reset_list->list);
1265 if (!ioc->fw_events_off)
1266 mptsas_queue_device_delete(ioc,
1267 &target_reset_list->sas_event_data);
1268
1269
1270 ioc->schedule_target_reset(ioc);
1271
1272 return 1;
1273 }
1274
1275 /**
1276 * mptscsih_ioc_reset
1277 *
1278 * @ioc
1279 * @reset_phase
1280 *
1281 **/
1282 static int
1283 mptsas_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
1284 {
1285 MPT_SCSI_HOST *hd;
1286 int rc;
1287
1288 rc = mptscsih_ioc_reset(ioc, reset_phase);
1289 if ((ioc->bus_type != SAS) || (!rc))
1290 return rc;
1291
1292 hd = shost_priv(ioc->sh);
1293 if (!hd->ioc)
1294 goto out;
1295
1296 switch (reset_phase) {
1297 case MPT_IOC_SETUP_RESET:
1298 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1299 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
1300 mptsas_fw_event_off(ioc);
1301 break;
1302 case MPT_IOC_PRE_RESET:
1303 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1304 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
1305 break;
1306 case MPT_IOC_POST_RESET:
1307 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1308 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
1309 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_PENDING) {
1310 ioc->sas_mgmt.status |= MPT_MGMT_STATUS_DID_IOCRESET;
1311 complete(&ioc->sas_mgmt.done);
1312 }
1313 mptsas_cleanup_fw_event_q(ioc);
1314 mptsas_queue_rescan(ioc);
1315 break;
1316 default:
1317 break;
1318 }
1319
1320 out:
1321 return rc;
1322 }
1323
1324
1325 /**
1326 * enum device_state -
1327 * @DEVICE_RETRY: need to retry the TUR
1328 * @DEVICE_ERROR: TUR return error, don't add device
1329 * @DEVICE_READY: device can be added
1330 *
1331 */
1332 enum device_state{
1333 DEVICE_RETRY,
1334 DEVICE_ERROR,
1335 DEVICE_READY,
1336 };
1337
1338 static int
1339 mptsas_sas_enclosure_pg0(MPT_ADAPTER *ioc, struct mptsas_enclosure *enclosure,
1340 u32 form, u32 form_specific)
1341 {
1342 ConfigExtendedPageHeader_t hdr;
1343 CONFIGPARMS cfg;
1344 SasEnclosurePage0_t *buffer;
1345 dma_addr_t dma_handle;
1346 int error;
1347 __le64 le_identifier;
1348
1349 memset(&hdr, 0, sizeof(hdr));
1350 hdr.PageVersion = MPI_SASENCLOSURE0_PAGEVERSION;
1351 hdr.PageNumber = 0;
1352 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
1353 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_ENCLOSURE;
1354
1355 cfg.cfghdr.ehdr = &hdr;
1356 cfg.physAddr = -1;
1357 cfg.pageAddr = form + form_specific;
1358 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
1359 cfg.dir = 0; /* read */
1360 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
1361
1362 error = mpt_config(ioc, &cfg);
1363 if (error)
1364 goto out;
1365 if (!hdr.ExtPageLength) {
1366 error = -ENXIO;
1367 goto out;
1368 }
1369
1370 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
1371 &dma_handle);
1372 if (!buffer) {
1373 error = -ENOMEM;
1374 goto out;
1375 }
1376
1377 cfg.physAddr = dma_handle;
1378 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
1379
1380 error = mpt_config(ioc, &cfg);
1381 if (error)
1382 goto out_free_consistent;
1383
1384 /* save config data */
1385 memcpy(&le_identifier, &buffer->EnclosureLogicalID, sizeof(__le64));
1386 enclosure->enclosure_logical_id = le64_to_cpu(le_identifier);
1387 enclosure->enclosure_handle = le16_to_cpu(buffer->EnclosureHandle);
1388 enclosure->flags = le16_to_cpu(buffer->Flags);
1389 enclosure->num_slot = le16_to_cpu(buffer->NumSlots);
1390 enclosure->start_slot = le16_to_cpu(buffer->StartSlot);
1391 enclosure->start_id = buffer->StartTargetID;
1392 enclosure->start_channel = buffer->StartBus;
1393 enclosure->sep_id = buffer->SEPTargetID;
1394 enclosure->sep_channel = buffer->SEPBus;
1395
1396 out_free_consistent:
1397 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
1398 buffer, dma_handle);
1399 out:
1400 return error;
1401 }
1402
1403 /**
1404 * mptsas_add_end_device - report a new end device to sas transport layer
1405 * @ioc: Pointer to MPT_ADAPTER structure
1406 * @phy_info: describes attached device
1407 *
1408 * return (0) success (1) failure
1409 *
1410 **/
1411 static int
1412 mptsas_add_end_device(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info)
1413 {
1414 struct sas_rphy *rphy;
1415 struct sas_port *port;
1416 struct sas_identify identify;
1417 char *ds = NULL;
1418 u8 fw_id;
1419
1420 if (!phy_info) {
1421 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1422 "%s: exit at line=%d\n", ioc->name,
1423 __func__, __LINE__));
1424 return 1;
1425 }
1426
1427 fw_id = phy_info->attached.id;
1428
1429 if (mptsas_get_rphy(phy_info)) {
1430 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1431 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1432 __func__, fw_id, __LINE__));
1433 return 2;
1434 }
1435
1436 port = mptsas_get_port(phy_info);
1437 if (!port) {
1438 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1439 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1440 __func__, fw_id, __LINE__));
1441 return 3;
1442 }
1443
1444 if (phy_info->attached.device_info &
1445 MPI_SAS_DEVICE_INFO_SSP_TARGET)
1446 ds = "ssp";
1447 if (phy_info->attached.device_info &
1448 MPI_SAS_DEVICE_INFO_STP_TARGET)
1449 ds = "stp";
1450 if (phy_info->attached.device_info &
1451 MPI_SAS_DEVICE_INFO_SATA_DEVICE)
1452 ds = "sata";
1453
1454 printk(MYIOC_s_INFO_FMT "attaching %s device: fw_channel %d, fw_id %d,"
1455 " phy %d, sas_addr 0x%llx\n", ioc->name, ds,
1456 phy_info->attached.channel, phy_info->attached.id,
1457 phy_info->attached.phy_id, (unsigned long long)
1458 phy_info->attached.sas_address);
1459
1460 mptsas_parse_device_info(&identify, &phy_info->attached);
1461 rphy = sas_end_device_alloc(port);
1462 if (!rphy) {
1463 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1464 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1465 __func__, fw_id, __LINE__));
1466 return 5; /* non-fatal: an rphy can be added later */
1467 }
1468
1469 rphy->identify = identify;
1470 if (sas_rphy_add(rphy)) {
1471 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1472 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1473 __func__, fw_id, __LINE__));
1474 sas_rphy_free(rphy);
1475 return 6;
1476 }
1477 mptsas_set_rphy(ioc, phy_info, rphy);
1478 return 0;
1479 }
1480
1481 /**
1482 * mptsas_del_end_device - report a deleted end device to sas transport layer
1483 * @ioc: Pointer to MPT_ADAPTER structure
1484 * @phy_info: describes attached device
1485 *
1486 **/
1487 static void
1488 mptsas_del_end_device(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info)
1489 {
1490 struct sas_rphy *rphy;
1491 struct sas_port *port;
1492 struct mptsas_portinfo *port_info;
1493 struct mptsas_phyinfo *phy_info_parent;
1494 int i;
1495 char *ds = NULL;
1496 u8 fw_id;
1497 u64 sas_address;
1498
1499 if (!phy_info)
1500 return;
1501
1502 fw_id = phy_info->attached.id;
1503 sas_address = phy_info->attached.sas_address;
1504
1505 if (!phy_info->port_details) {
1506 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1507 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1508 __func__, fw_id, __LINE__));
1509 return;
1510 }
1511 rphy = mptsas_get_rphy(phy_info);
1512 if (!rphy) {
1513 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1514 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1515 __func__, fw_id, __LINE__));
1516 return;
1517 }
1518
1519 if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_SSP_INITIATOR
1520 || phy_info->attached.device_info
1521 & MPI_SAS_DEVICE_INFO_SMP_INITIATOR
1522 || phy_info->attached.device_info
1523 & MPI_SAS_DEVICE_INFO_STP_INITIATOR)
1524 ds = "initiator";
1525 if (phy_info->attached.device_info &
1526 MPI_SAS_DEVICE_INFO_SSP_TARGET)
1527 ds = "ssp";
1528 if (phy_info->attached.device_info &
1529 MPI_SAS_DEVICE_INFO_STP_TARGET)
1530 ds = "stp";
1531 if (phy_info->attached.device_info &
1532 MPI_SAS_DEVICE_INFO_SATA_DEVICE)
1533 ds = "sata";
1534
1535 dev_printk(KERN_DEBUG, &rphy->dev, MYIOC_s_FMT
1536 "removing %s device: fw_channel %d, fw_id %d, phy %d,"
1537 "sas_addr 0x%llx\n", ioc->name, ds, phy_info->attached.channel,
1538 phy_info->attached.id, phy_info->attached.phy_id,
1539 (unsigned long long) sas_address);
1540
1541 port = mptsas_get_port(phy_info);
1542 if (!port) {
1543 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1544 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1545 __func__, fw_id, __LINE__));
1546 return;
1547 }
1548 port_info = phy_info->portinfo;
1549 phy_info_parent = port_info->phy_info;
1550 for (i = 0; i < port_info->num_phys; i++, phy_info_parent++) {
1551 if (!phy_info_parent->phy)
1552 continue;
1553 if (phy_info_parent->attached.sas_address !=
1554 sas_address)
1555 continue;
1556 dev_printk(KERN_DEBUG, &phy_info_parent->phy->dev,
1557 MYIOC_s_FMT "delete phy %d, phy-obj (0x%p)\n",
1558 ioc->name, phy_info_parent->phy_id,
1559 phy_info_parent->phy);
1560 sas_port_delete_phy(port, phy_info_parent->phy);
1561 }
1562
1563 dev_printk(KERN_DEBUG, &port->dev, MYIOC_s_FMT
1564 "delete port %d, sas_addr (0x%llx)\n", ioc->name,
1565 port->port_identifier, (unsigned long long)sas_address);
1566 sas_port_delete(port);
1567 mptsas_set_port(ioc, phy_info, NULL);
1568 mptsas_port_delete(ioc, phy_info->port_details);
1569 }
1570
1571 struct mptsas_phyinfo *
1572 mptsas_refreshing_device_handles(MPT_ADAPTER *ioc,
1573 struct mptsas_devinfo *sas_device)
1574 {
1575 struct mptsas_phyinfo *phy_info;
1576 struct mptsas_portinfo *port_info;
1577 int i;
1578
1579 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
1580 sas_device->sas_address);
1581 if (!phy_info)
1582 goto out;
1583 port_info = phy_info->portinfo;
1584 if (!port_info)
1585 goto out;
1586 mutex_lock(&ioc->sas_topology_mutex);
1587 for (i = 0; i < port_info->num_phys; i++) {
1588 if (port_info->phy_info[i].attached.sas_address !=
1589 sas_device->sas_address)
1590 continue;
1591 port_info->phy_info[i].attached.channel = sas_device->channel;
1592 port_info->phy_info[i].attached.id = sas_device->id;
1593 port_info->phy_info[i].attached.sas_address =
1594 sas_device->sas_address;
1595 port_info->phy_info[i].attached.handle = sas_device->handle;
1596 port_info->phy_info[i].attached.handle_parent =
1597 sas_device->handle_parent;
1598 port_info->phy_info[i].attached.handle_enclosure =
1599 sas_device->handle_enclosure;
1600 }
1601 mutex_unlock(&ioc->sas_topology_mutex);
1602 out:
1603 return phy_info;
1604 }
1605
1606 /**
1607 * mptsas_firmware_event_work - work thread for processing fw events
1608 * @work: work queue payload containing info describing the event
1609 * Context: user
1610 *
1611 */
1612 static void
1613 mptsas_firmware_event_work(struct work_struct *work)
1614 {
1615 struct fw_event_work *fw_event =
1616 container_of(work, struct fw_event_work, work.work);
1617 MPT_ADAPTER *ioc = fw_event->ioc;
1618
1619 /* special rescan topology handling */
1620 if (fw_event->event == -1) {
1621 if (ioc->in_rescan) {
1622 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1623 "%s: rescan ignored as it is in progress\n",
1624 ioc->name, __func__));
1625 return;
1626 }
1627 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: rescan after "
1628 "reset\n", ioc->name, __func__));
1629 ioc->in_rescan = 1;
1630 mptsas_not_responding_devices(ioc);
1631 mptsas_scan_sas_topology(ioc);
1632 ioc->in_rescan = 0;
1633 mptsas_free_fw_event(ioc, fw_event);
1634 mptsas_fw_event_on(ioc);
1635 return;
1636 }
1637
1638 /* events handling turned off during host reset */
1639 if (ioc->fw_events_off) {
1640 mptsas_free_fw_event(ioc, fw_event);
1641 return;
1642 }
1643
1644 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: fw_event=(0x%p), "
1645 "event = (0x%02x)\n", ioc->name, __func__, fw_event,
1646 (fw_event->event & 0xFF)));
1647
1648 switch (fw_event->event) {
1649 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
1650 mptsas_send_sas_event(fw_event);
1651 break;
1652 case MPI_EVENT_INTEGRATED_RAID:
1653 mptsas_send_raid_event(fw_event);
1654 break;
1655 case MPI_EVENT_IR2:
1656 mptsas_send_ir2_event(fw_event);
1657 break;
1658 case MPI_EVENT_PERSISTENT_TABLE_FULL:
1659 mptbase_sas_persist_operation(ioc,
1660 MPI_SAS_OP_CLEAR_NOT_PRESENT);
1661 mptsas_free_fw_event(ioc, fw_event);
1662 break;
1663 case MPI_EVENT_SAS_BROADCAST_PRIMITIVE:
1664 mptsas_broadcast_primative_work(fw_event);
1665 break;
1666 case MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE:
1667 mptsas_send_expander_event(fw_event);
1668 break;
1669 case MPI_EVENT_SAS_PHY_LINK_STATUS:
1670 mptsas_send_link_status_event(fw_event);
1671 break;
1672 case MPI_EVENT_QUEUE_FULL:
1673 mptsas_handle_queue_full_event(fw_event);
1674 break;
1675 }
1676 }
1677
1678
1679
1680 static int
1681 mptsas_slave_configure(struct scsi_device *sdev)
1682 {
1683 struct Scsi_Host *host = sdev->host;
1684 MPT_SCSI_HOST *hd = shost_priv(host);
1685 MPT_ADAPTER *ioc = hd->ioc;
1686 VirtDevice *vdevice = sdev->hostdata;
1687
1688 if (vdevice->vtarget->deleted) {
1689 sdev_printk(KERN_INFO, sdev, "clearing deleted flag\n");
1690 vdevice->vtarget->deleted = 0;
1691 }
1692
1693 /*
1694 * RAID volumes placed beyond the last expected port.
1695 * Ignore sending sas mode pages in that case..
1696 */
1697 if (sdev->channel == MPTSAS_RAID_CHANNEL) {
1698 mptsas_add_device_component_starget_ir(ioc, scsi_target(sdev));
1699 goto out;
1700 }
1701
1702 sas_read_port_mode_page(sdev);
1703
1704 mptsas_add_device_component_starget(ioc, scsi_target(sdev));
1705
1706 out:
1707 return mptscsih_slave_configure(sdev);
1708 }
1709
1710 static int
1711 mptsas_target_alloc(struct scsi_target *starget)
1712 {
1713 struct Scsi_Host *host = dev_to_shost(&starget->dev);
1714 MPT_SCSI_HOST *hd = shost_priv(host);
1715 VirtTarget *vtarget;
1716 u8 id, channel;
1717 struct sas_rphy *rphy;
1718 struct mptsas_portinfo *p;
1719 int i;
1720 MPT_ADAPTER *ioc = hd->ioc;
1721
1722 vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL);
1723 if (!vtarget)
1724 return -ENOMEM;
1725
1726 vtarget->starget = starget;
1727 vtarget->ioc_id = ioc->id;
1728 vtarget->tflags = MPT_TARGET_FLAGS_Q_YES;
1729 id = starget->id;
1730 channel = 0;
1731
1732 /*
1733 * RAID volumes placed beyond the last expected port.
1734 */
1735 if (starget->channel == MPTSAS_RAID_CHANNEL) {
1736 if (!ioc->raid_data.pIocPg2) {
1737 kfree(vtarget);
1738 return -ENXIO;
1739 }
1740 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
1741 if (id == ioc->raid_data.pIocPg2->
1742 RaidVolume[i].VolumeID) {
1743 channel = ioc->raid_data.pIocPg2->
1744 RaidVolume[i].VolumeBus;
1745 }
1746 }
1747 vtarget->raidVolume = 1;
1748 goto out;
1749 }
1750
1751 rphy = dev_to_rphy(starget->dev.parent);
1752 mutex_lock(&ioc->sas_topology_mutex);
1753 list_for_each_entry(p, &ioc->sas_topology, list) {
1754 for (i = 0; i < p->num_phys; i++) {
1755 if (p->phy_info[i].attached.sas_address !=
1756 rphy->identify.sas_address)
1757 continue;
1758 id = p->phy_info[i].attached.id;
1759 channel = p->phy_info[i].attached.channel;
1760 mptsas_set_starget(&p->phy_info[i], starget);
1761
1762 /*
1763 * Exposing hidden raid components
1764 */
1765 if (mptscsih_is_phys_disk(ioc, channel, id)) {
1766 id = mptscsih_raid_id_to_num(ioc,
1767 channel, id);
1768 vtarget->tflags |=
1769 MPT_TARGET_FLAGS_RAID_COMPONENT;
1770 p->phy_info[i].attached.phys_disk_num = id;
1771 }
1772 mutex_unlock(&ioc->sas_topology_mutex);
1773 goto out;
1774 }
1775 }
1776 mutex_unlock(&ioc->sas_topology_mutex);
1777
1778 kfree(vtarget);
1779 return -ENXIO;
1780
1781 out:
1782 vtarget->id = id;
1783 vtarget->channel = channel;
1784 starget->hostdata = vtarget;
1785 return 0;
1786 }
1787
1788 static void
1789 mptsas_target_destroy(struct scsi_target *starget)
1790 {
1791 struct Scsi_Host *host = dev_to_shost(&starget->dev);
1792 MPT_SCSI_HOST *hd = shost_priv(host);
1793 struct sas_rphy *rphy;
1794 struct mptsas_portinfo *p;
1795 int i;
1796 MPT_ADAPTER *ioc = hd->ioc;
1797 VirtTarget *vtarget;
1798
1799 if (!starget->hostdata)
1800 return;
1801
1802 vtarget = starget->hostdata;
1803
1804 mptsas_del_device_component_by_os(ioc, starget->channel,
1805 starget->id);
1806
1807
1808 if (starget->channel == MPTSAS_RAID_CHANNEL)
1809 goto out;
1810
1811 rphy = dev_to_rphy(starget->dev.parent);
1812 list_for_each_entry(p, &ioc->sas_topology, list) {
1813 for (i = 0; i < p->num_phys; i++) {
1814 if (p->phy_info[i].attached.sas_address !=
1815 rphy->identify.sas_address)
1816 continue;
1817
1818 starget_printk(KERN_INFO, starget, MYIOC_s_FMT
1819 "delete device: fw_channel %d, fw_id %d, phy %d, "
1820 "sas_addr 0x%llx\n", ioc->name,
1821 p->phy_info[i].attached.channel,
1822 p->phy_info[i].attached.id,
1823 p->phy_info[i].attached.phy_id, (unsigned long long)
1824 p->phy_info[i].attached.sas_address);
1825
1826 mptsas_set_starget(&p->phy_info[i], NULL);
1827 }
1828 }
1829
1830 out:
1831 vtarget->starget = NULL;
1832 kfree(starget->hostdata);
1833 starget->hostdata = NULL;
1834 }
1835
1836
1837 static int
1838 mptsas_slave_alloc(struct scsi_device *sdev)
1839 {
1840 struct Scsi_Host *host = sdev->host;
1841 MPT_SCSI_HOST *hd = shost_priv(host);
1842 struct sas_rphy *rphy;
1843 struct mptsas_portinfo *p;
1844 VirtDevice *vdevice;
1845 struct scsi_target *starget;
1846 int i;
1847 MPT_ADAPTER *ioc = hd->ioc;
1848
1849 vdevice = kzalloc(sizeof(VirtDevice), GFP_KERNEL);
1850 if (!vdevice) {
1851 printk(MYIOC_s_ERR_FMT "slave_alloc kzalloc(%zd) FAILED!\n",
1852 ioc->name, sizeof(VirtDevice));
1853 return -ENOMEM;
1854 }
1855 starget = scsi_target(sdev);
1856 vdevice->vtarget = starget->hostdata;
1857
1858 if (sdev->channel == MPTSAS_RAID_CHANNEL)
1859 goto out;
1860
1861 rphy = dev_to_rphy(sdev->sdev_target->dev.parent);
1862 mutex_lock(&ioc->sas_topology_mutex);
1863 list_for_each_entry(p, &ioc->sas_topology, list) {
1864 for (i = 0; i < p->num_phys; i++) {
1865 if (p->phy_info[i].attached.sas_address !=
1866 rphy->identify.sas_address)
1867 continue;
1868 vdevice->lun = sdev->lun;
1869 /*
1870 * Exposing hidden raid components
1871 */
1872 if (mptscsih_is_phys_disk(ioc,
1873 p->phy_info[i].attached.channel,
1874 p->phy_info[i].attached.id))
1875 sdev->no_uld_attach = 1;
1876 mutex_unlock(&ioc->sas_topology_mutex);
1877 goto out;
1878 }
1879 }
1880 mutex_unlock(&ioc->sas_topology_mutex);
1881
1882 kfree(vdevice);
1883 return -ENXIO;
1884
1885 out:
1886 vdevice->vtarget->num_luns++;
1887 sdev->hostdata = vdevice;
1888 return 0;
1889 }
1890
1891 static int
1892 mptsas_qcmd_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
1893 {
1894 MPT_SCSI_HOST *hd;
1895 MPT_ADAPTER *ioc;
1896 VirtDevice *vdevice = SCpnt->device->hostdata;
1897
1898 if (!vdevice || !vdevice->vtarget || vdevice->vtarget->deleted) {
1899 SCpnt->result = DID_NO_CONNECT << 16;
1900 done(SCpnt);
1901 return 0;
1902 }
1903
1904 hd = shost_priv(SCpnt->device->host);
1905 ioc = hd->ioc;
1906
1907 if (ioc->sas_discovery_quiesce_io)
1908 return SCSI_MLQUEUE_HOST_BUSY;
1909
1910 if (ioc->debug_level & MPT_DEBUG_SCSI)
1911 scsi_print_command(SCpnt);
1912
1913 return mptscsih_qcmd(SCpnt,done);
1914 }
1915
1916 static DEF_SCSI_QCMD(mptsas_qcmd)
1917
1918 /**
1919 * mptsas_mptsas_eh_timed_out - resets the scsi_cmnd timeout
1920 * if the device under question is currently in the
1921 * device removal delay.
1922 * @sc: scsi command that the midlayer is about to time out
1923 *
1924 **/
1925 static enum blk_eh_timer_return mptsas_eh_timed_out(struct scsi_cmnd *sc)
1926 {
1927 MPT_SCSI_HOST *hd;
1928 MPT_ADAPTER *ioc;
1929 VirtDevice *vdevice;
1930 enum blk_eh_timer_return rc = BLK_EH_NOT_HANDLED;
1931
1932 hd = shost_priv(sc->device->host);
1933 if (hd == NULL) {
1934 printk(KERN_ERR MYNAM ": %s: Can't locate host! (sc=%p)\n",
1935 __func__, sc);
1936 goto done;
1937 }
1938
1939 ioc = hd->ioc;
1940 if (ioc->bus_type != SAS) {
1941 printk(KERN_ERR MYNAM ": %s: Wrong bus type (sc=%p)\n",
1942 __func__, sc);
1943 goto done;
1944 }
1945
1946 vdevice = sc->device->hostdata;
1947 if (vdevice && vdevice->vtarget && (vdevice->vtarget->inDMD
1948 || vdevice->vtarget->deleted)) {
1949 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT ": %s: target removed "
1950 "or in device removal delay (sc=%p)\n",
1951 ioc->name, __func__, sc));
1952 rc = BLK_EH_RESET_TIMER;
1953 goto done;
1954 }
1955
1956 done:
1957 return rc;
1958 }
1959
1960
1961 static struct scsi_host_template mptsas_driver_template = {
1962 .module = THIS_MODULE,
1963 .proc_name = "mptsas",
1964 .proc_info = mptscsih_proc_info,
1965 .name = "MPT SAS Host",
1966 .info = mptscsih_info,
1967 .queuecommand = mptsas_qcmd,
1968 .target_alloc = mptsas_target_alloc,
1969 .slave_alloc = mptsas_slave_alloc,
1970 .slave_configure = mptsas_slave_configure,
1971 .target_destroy = mptsas_target_destroy,
1972 .slave_destroy = mptscsih_slave_destroy,
1973 .change_queue_depth = mptscsih_change_queue_depth,
1974 .eh_abort_handler = mptscsih_abort,
1975 .eh_device_reset_handler = mptscsih_dev_reset,
1976 .eh_host_reset_handler = mptscsih_host_reset,
1977 .bios_param = mptscsih_bios_param,
1978 .can_queue = MPT_SAS_CAN_QUEUE,
1979 .this_id = -1,
1980 .sg_tablesize = MPT_SCSI_SG_DEPTH,
1981 .max_sectors = 8192,
1982 .cmd_per_lun = 7,
1983 .use_clustering = ENABLE_CLUSTERING,
1984 .shost_attrs = mptscsih_host_attrs,
1985 };
1986
1987 static int mptsas_get_linkerrors(struct sas_phy *phy)
1988 {
1989 MPT_ADAPTER *ioc = phy_to_ioc(phy);
1990 ConfigExtendedPageHeader_t hdr;
1991 CONFIGPARMS cfg;
1992 SasPhyPage1_t *buffer;
1993 dma_addr_t dma_handle;
1994 int error;
1995
1996 /* FIXME: only have link errors on local phys */
1997 if (!scsi_is_sas_phy_local(phy))
1998 return -EINVAL;
1999
2000 hdr.PageVersion = MPI_SASPHY1_PAGEVERSION;
2001 hdr.ExtPageLength = 0;
2002 hdr.PageNumber = 1 /* page number 1*/;
2003 hdr.Reserved1 = 0;
2004 hdr.Reserved2 = 0;
2005 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2006 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY;
2007
2008 cfg.cfghdr.ehdr = &hdr;
2009 cfg.physAddr = -1;
2010 cfg.pageAddr = phy->identify.phy_identifier;
2011 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2012 cfg.dir = 0; /* read */
2013 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2014
2015 error = mpt_config(ioc, &cfg);
2016 if (error)
2017 return error;
2018 if (!hdr.ExtPageLength)
2019 return -ENXIO;
2020
2021 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2022 &dma_handle);
2023 if (!buffer)
2024 return -ENOMEM;
2025
2026 cfg.physAddr = dma_handle;
2027 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2028
2029 error = mpt_config(ioc, &cfg);
2030 if (error)
2031 goto out_free_consistent;
2032
2033 mptsas_print_phy_pg1(ioc, buffer);
2034
2035 phy->invalid_dword_count = le32_to_cpu(buffer->InvalidDwordCount);
2036 phy->running_disparity_error_count =
2037 le32_to_cpu(buffer->RunningDisparityErrorCount);
2038 phy->loss_of_dword_sync_count =
2039 le32_to_cpu(buffer->LossDwordSynchCount);
2040 phy->phy_reset_problem_count =
2041 le32_to_cpu(buffer->PhyResetProblemCount);
2042
2043 out_free_consistent:
2044 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2045 buffer, dma_handle);
2046 return error;
2047 }
2048
2049 static int mptsas_mgmt_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2050 MPT_FRAME_HDR *reply)
2051 {
2052 ioc->sas_mgmt.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2053 if (reply != NULL) {
2054 ioc->sas_mgmt.status |= MPT_MGMT_STATUS_RF_VALID;
2055 memcpy(ioc->sas_mgmt.reply, reply,
2056 min(ioc->reply_sz, 4 * reply->u.reply.MsgLength));
2057 }
2058
2059 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_PENDING) {
2060 ioc->sas_mgmt.status &= ~MPT_MGMT_STATUS_PENDING;
2061 complete(&ioc->sas_mgmt.done);
2062 return 1;
2063 }
2064 return 0;
2065 }
2066
2067 static int mptsas_phy_reset(struct sas_phy *phy, int hard_reset)
2068 {
2069 MPT_ADAPTER *ioc = phy_to_ioc(phy);
2070 SasIoUnitControlRequest_t *req;
2071 SasIoUnitControlReply_t *reply;
2072 MPT_FRAME_HDR *mf;
2073 MPIHeader_t *hdr;
2074 unsigned long timeleft;
2075 int error = -ERESTARTSYS;
2076
2077 /* FIXME: fusion doesn't allow non-local phy reset */
2078 if (!scsi_is_sas_phy_local(phy))
2079 return -EINVAL;
2080
2081 /* not implemented for expanders */
2082 if (phy->identify.target_port_protocols & SAS_PROTOCOL_SMP)
2083 return -ENXIO;
2084
2085 if (mutex_lock_interruptible(&ioc->sas_mgmt.mutex))
2086 goto out;
2087
2088 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
2089 if (!mf) {
2090 error = -ENOMEM;
2091 goto out_unlock;
2092 }
2093
2094 hdr = (MPIHeader_t *) mf;
2095 req = (SasIoUnitControlRequest_t *)mf;
2096 memset(req, 0, sizeof(SasIoUnitControlRequest_t));
2097 req->Function = MPI_FUNCTION_SAS_IO_UNIT_CONTROL;
2098 req->MsgContext = hdr->MsgContext;
2099 req->Operation = hard_reset ?
2100 MPI_SAS_OP_PHY_HARD_RESET : MPI_SAS_OP_PHY_LINK_RESET;
2101 req->PhyNum = phy->identify.phy_identifier;
2102
2103 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status)
2104 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
2105
2106 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done,
2107 10 * HZ);
2108 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2109 error = -ETIME;
2110 mpt_free_msg_frame(ioc, mf);
2111 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
2112 goto out_unlock;
2113 if (!timeleft)
2114 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2115 goto out_unlock;
2116 }
2117
2118 /* a reply frame is expected */
2119 if ((ioc->sas_mgmt.status &
2120 MPT_MGMT_STATUS_RF_VALID) == 0) {
2121 error = -ENXIO;
2122 goto out_unlock;
2123 }
2124
2125 /* process the completed Reply Message Frame */
2126 reply = (SasIoUnitControlReply_t *)ioc->sas_mgmt.reply;
2127 if (reply->IOCStatus != MPI_IOCSTATUS_SUCCESS) {
2128 printk(MYIOC_s_INFO_FMT "%s: IOCStatus=0x%X IOCLogInfo=0x%X\n",
2129 ioc->name, __func__, reply->IOCStatus, reply->IOCLogInfo);
2130 error = -ENXIO;
2131 goto out_unlock;
2132 }
2133
2134 error = 0;
2135
2136 out_unlock:
2137 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status)
2138 mutex_unlock(&ioc->sas_mgmt.mutex);
2139 out:
2140 return error;
2141 }
2142
2143 static int
2144 mptsas_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier)
2145 {
2146 MPT_ADAPTER *ioc = rphy_to_ioc(rphy);
2147 int i, error;
2148 struct mptsas_portinfo *p;
2149 struct mptsas_enclosure enclosure_info;
2150 u64 enclosure_handle;
2151
2152 mutex_lock(&ioc->sas_topology_mutex);
2153 list_for_each_entry(p, &ioc->sas_topology, list) {
2154 for (i = 0; i < p->num_phys; i++) {
2155 if (p->phy_info[i].attached.sas_address ==
2156 rphy->identify.sas_address) {
2157 enclosure_handle = p->phy_info[i].
2158 attached.handle_enclosure;
2159 goto found_info;
2160 }
2161 }
2162 }
2163 mutex_unlock(&ioc->sas_topology_mutex);
2164 return -ENXIO;
2165
2166 found_info:
2167 mutex_unlock(&ioc->sas_topology_mutex);
2168 memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure));
2169 error = mptsas_sas_enclosure_pg0(ioc, &enclosure_info,
2170 (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE <<
2171 MPI_SAS_ENCLOS_PGAD_FORM_SHIFT), enclosure_handle);
2172 if (!error)
2173 *identifier = enclosure_info.enclosure_logical_id;
2174 return error;
2175 }
2176
2177 static int
2178 mptsas_get_bay_identifier(struct sas_rphy *rphy)
2179 {
2180 MPT_ADAPTER *ioc = rphy_to_ioc(rphy);
2181 struct mptsas_portinfo *p;
2182 int i, rc;
2183
2184 mutex_lock(&ioc->sas_topology_mutex);
2185 list_for_each_entry(p, &ioc->sas_topology, list) {
2186 for (i = 0; i < p->num_phys; i++) {
2187 if (p->phy_info[i].attached.sas_address ==
2188 rphy->identify.sas_address) {
2189 rc = p->phy_info[i].attached.slot;
2190 goto out;
2191 }
2192 }
2193 }
2194 rc = -ENXIO;
2195 out:
2196 mutex_unlock(&ioc->sas_topology_mutex);
2197 return rc;
2198 }
2199
2200 static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
2201 struct request *req)
2202 {
2203 MPT_ADAPTER *ioc = ((MPT_SCSI_HOST *) shost->hostdata)->ioc;
2204 MPT_FRAME_HDR *mf;
2205 SmpPassthroughRequest_t *smpreq;
2206 struct request *rsp = req->next_rq;
2207 int ret;
2208 int flagsLength;
2209 unsigned long timeleft;
2210 char *psge;
2211 dma_addr_t dma_addr_in = 0;
2212 dma_addr_t dma_addr_out = 0;
2213 u64 sas_address = 0;
2214
2215 if (!rsp) {
2216 printk(MYIOC_s_ERR_FMT "%s: the smp response space is missing\n",
2217 ioc->name, __func__);
2218 return -EINVAL;
2219 }
2220
2221 /* do we need to support multiple segments? */
2222 if (req->bio->bi_vcnt > 1 || rsp->bio->bi_vcnt > 1) {
2223 printk(MYIOC_s_ERR_FMT "%s: multiple segments req %u %u, rsp %u %u\n",
2224 ioc->name, __func__, req->bio->bi_vcnt, blk_rq_bytes(req),
2225 rsp->bio->bi_vcnt, blk_rq_bytes(rsp));
2226 return -EINVAL;
2227 }
2228
2229 ret = mutex_lock_interruptible(&ioc->sas_mgmt.mutex);
2230 if (ret)
2231 goto out;
2232
2233 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
2234 if (!mf) {
2235 ret = -ENOMEM;
2236 goto out_unlock;
2237 }
2238
2239 smpreq = (SmpPassthroughRequest_t *)mf;
2240 memset(smpreq, 0, sizeof(*smpreq));
2241
2242 smpreq->RequestDataLength = cpu_to_le16(blk_rq_bytes(req) - 4);
2243 smpreq->Function = MPI_FUNCTION_SMP_PASSTHROUGH;
2244
2245 if (rphy)
2246 sas_address = rphy->identify.sas_address;
2247 else {
2248 struct mptsas_portinfo *port_info;
2249
2250 mutex_lock(&ioc->sas_topology_mutex);
2251 port_info = ioc->hba_port_info;
2252 if (port_info && port_info->phy_info)
2253 sas_address =
2254 port_info->phy_info[0].phy->identify.sas_address;
2255 mutex_unlock(&ioc->sas_topology_mutex);
2256 }
2257
2258 *((u64 *)&smpreq->SASAddress) = cpu_to_le64(sas_address);
2259
2260 psge = (char *)
2261 (((int *) mf) + (offsetof(SmpPassthroughRequest_t, SGL) / 4));
2262
2263 /* request */
2264 flagsLength = (MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2265 MPI_SGE_FLAGS_END_OF_BUFFER |
2266 MPI_SGE_FLAGS_DIRECTION)
2267 << MPI_SGE_FLAGS_SHIFT;
2268 flagsLength |= (blk_rq_bytes(req) - 4);
2269
2270 dma_addr_out = pci_map_single(ioc->pcidev, bio_data(req->bio),
2271 blk_rq_bytes(req), PCI_DMA_BIDIRECTIONAL);
2272 if (!dma_addr_out)
2273 goto put_mf;
2274 ioc->add_sge(psge, flagsLength, dma_addr_out);
2275 psge += ioc->SGE_size;
2276
2277 /* response */
2278 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2279 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
2280 MPI_SGE_FLAGS_IOC_TO_HOST |
2281 MPI_SGE_FLAGS_END_OF_BUFFER;
2282
2283 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT;
2284 flagsLength |= blk_rq_bytes(rsp) + 4;
2285 dma_addr_in = pci_map_single(ioc->pcidev, bio_data(rsp->bio),
2286 blk_rq_bytes(rsp), PCI_DMA_BIDIRECTIONAL);
2287 if (!dma_addr_in)
2288 goto unmap;
2289 ioc->add_sge(psge, flagsLength, dma_addr_in);
2290
2291 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status)
2292 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
2293
2294 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done, 10 * HZ);
2295 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2296 ret = -ETIME;
2297 mpt_free_msg_frame(ioc, mf);
2298 mf = NULL;
2299 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
2300 goto unmap;
2301 if (!timeleft)
2302 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2303 goto unmap;
2304 }
2305 mf = NULL;
2306
2307 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_RF_VALID) {
2308 SmpPassthroughReply_t *smprep;
2309
2310 smprep = (SmpPassthroughReply_t *)ioc->sas_mgmt.reply;
2311 memcpy(req->sense, smprep, sizeof(*smprep));
2312 req->sense_len = sizeof(*smprep);
2313 req->resid_len = 0;
2314 rsp->resid_len -= smprep->ResponseDataLength;
2315 } else {
2316 printk(MYIOC_s_ERR_FMT
2317 "%s: smp passthru reply failed to be returned\n",
2318 ioc->name, __func__);
2319 ret = -ENXIO;
2320 }
2321 unmap:
2322 if (dma_addr_out)
2323 pci_unmap_single(ioc->pcidev, dma_addr_out, blk_rq_bytes(req),
2324 PCI_DMA_BIDIRECTIONAL);
2325 if (dma_addr_in)
2326 pci_unmap_single(ioc->pcidev, dma_addr_in, blk_rq_bytes(rsp),
2327 PCI_DMA_BIDIRECTIONAL);
2328 put_mf:
2329 if (mf)
2330 mpt_free_msg_frame(ioc, mf);
2331 out_unlock:
2332 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status)
2333 mutex_unlock(&ioc->sas_mgmt.mutex);
2334 out:
2335 return ret;
2336 }
2337
2338 static struct sas_function_template mptsas_transport_functions = {
2339 .get_linkerrors = mptsas_get_linkerrors,
2340 .get_enclosure_identifier = mptsas_get_enclosure_identifier,
2341 .get_bay_identifier = mptsas_get_bay_identifier,
2342 .phy_reset = mptsas_phy_reset,
2343 .smp_handler = mptsas_smp_handler,
2344 };
2345
2346 static struct scsi_transport_template *mptsas_transport_template;
2347
2348 static int
2349 mptsas_sas_io_unit_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
2350 {
2351 ConfigExtendedPageHeader_t hdr;
2352 CONFIGPARMS cfg;
2353 SasIOUnitPage0_t *buffer;
2354 dma_addr_t dma_handle;
2355 int error, i;
2356
2357 hdr.PageVersion = MPI_SASIOUNITPAGE0_PAGEVERSION;
2358 hdr.ExtPageLength = 0;
2359 hdr.PageNumber = 0;
2360 hdr.Reserved1 = 0;
2361 hdr.Reserved2 = 0;
2362 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2363 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
2364
2365 cfg.cfghdr.ehdr = &hdr;
2366 cfg.physAddr = -1;
2367 cfg.pageAddr = 0;
2368 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2369 cfg.dir = 0; /* read */
2370 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2371
2372 error = mpt_config(ioc, &cfg);
2373 if (error)
2374 goto out;
2375 if (!hdr.ExtPageLength) {
2376 error = -ENXIO;
2377 goto out;
2378 }
2379
2380 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2381 &dma_handle);
2382 if (!buffer) {
2383 error = -ENOMEM;
2384 goto out;
2385 }
2386
2387 cfg.physAddr = dma_handle;
2388 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2389
2390 error = mpt_config(ioc, &cfg);
2391 if (error)
2392 goto out_free_consistent;
2393
2394 port_info->num_phys = buffer->NumPhys;
2395 port_info->phy_info = kcalloc(port_info->num_phys,
2396 sizeof(struct mptsas_phyinfo), GFP_KERNEL);
2397 if (!port_info->phy_info) {
2398 error = -ENOMEM;
2399 goto out_free_consistent;
2400 }
2401
2402 ioc->nvdata_version_persistent =
2403 le16_to_cpu(buffer->NvdataVersionPersistent);
2404 ioc->nvdata_version_default =
2405 le16_to_cpu(buffer->NvdataVersionDefault);
2406
2407 for (i = 0; i < port_info->num_phys; i++) {
2408 mptsas_print_phy_data(ioc, &buffer->PhyData[i]);
2409 port_info->phy_info[i].phy_id = i;
2410 port_info->phy_info[i].port_id =
2411 buffer->PhyData[i].Port;
2412 port_info->phy_info[i].negotiated_link_rate =
2413 buffer->PhyData[i].NegotiatedLinkRate;
2414 port_info->phy_info[i].portinfo = port_info;
2415 port_info->phy_info[i].handle =
2416 le16_to_cpu(buffer->PhyData[i].ControllerDevHandle);
2417 }
2418
2419 out_free_consistent:
2420 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2421 buffer, dma_handle);
2422 out:
2423 return error;
2424 }
2425
2426 static int
2427 mptsas_sas_io_unit_pg1(MPT_ADAPTER *ioc)
2428 {
2429 ConfigExtendedPageHeader_t hdr;
2430 CONFIGPARMS cfg;
2431 SasIOUnitPage1_t *buffer;
2432 dma_addr_t dma_handle;
2433 int error;
2434 u8 device_missing_delay;
2435
2436 memset(&hdr, 0, sizeof(ConfigExtendedPageHeader_t));
2437 memset(&cfg, 0, sizeof(CONFIGPARMS));
2438
2439 cfg.cfghdr.ehdr = &hdr;
2440 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2441 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2442 cfg.cfghdr.ehdr->PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2443 cfg.cfghdr.ehdr->ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
2444 cfg.cfghdr.ehdr->PageVersion = MPI_SASIOUNITPAGE1_PAGEVERSION;
2445 cfg.cfghdr.ehdr->PageNumber = 1;
2446
2447 error = mpt_config(ioc, &cfg);
2448 if (error)
2449 goto out;
2450 if (!hdr.ExtPageLength) {
2451 error = -ENXIO;
2452 goto out;
2453 }
2454
2455 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2456 &dma_handle);
2457 if (!buffer) {
2458 error = -ENOMEM;
2459 goto out;
2460 }
2461
2462 cfg.physAddr = dma_handle;
2463 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2464
2465 error = mpt_config(ioc, &cfg);
2466 if (error)
2467 goto out_free_consistent;
2468
2469 ioc->io_missing_delay =
2470 le16_to_cpu(buffer->IODeviceMissingDelay);
2471 device_missing_delay = buffer->ReportDeviceMissingDelay;
2472 ioc->device_missing_delay = (device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_UNIT_16) ?
2473 (device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16 :
2474 device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
2475
2476 out_free_consistent:
2477 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2478 buffer, dma_handle);
2479 out:
2480 return error;
2481 }
2482
2483 static int
2484 mptsas_sas_phy_pg0(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
2485 u32 form, u32 form_specific)
2486 {
2487 ConfigExtendedPageHeader_t hdr;
2488 CONFIGPARMS cfg;
2489 SasPhyPage0_t *buffer;
2490 dma_addr_t dma_handle;
2491 int error;
2492
2493 hdr.PageVersion = MPI_SASPHY0_PAGEVERSION;
2494 hdr.ExtPageLength = 0;
2495 hdr.PageNumber = 0;
2496 hdr.Reserved1 = 0;
2497 hdr.Reserved2 = 0;
2498 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2499 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY;
2500
2501 cfg.cfghdr.ehdr = &hdr;
2502 cfg.dir = 0; /* read */
2503 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2504
2505 /* Get Phy Pg 0 for each Phy. */
2506 cfg.physAddr = -1;
2507 cfg.pageAddr = form + form_specific;
2508 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2509
2510 error = mpt_config(ioc, &cfg);
2511 if (error)
2512 goto out;
2513
2514 if (!hdr.ExtPageLength) {
2515 error = -ENXIO;
2516 goto out;
2517 }
2518
2519 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2520 &dma_handle);
2521 if (!buffer) {
2522 error = -ENOMEM;
2523 goto out;
2524 }
2525
2526 cfg.physAddr = dma_handle;
2527 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2528
2529 error = mpt_config(ioc, &cfg);
2530 if (error)
2531 goto out_free_consistent;
2532
2533 mptsas_print_phy_pg0(ioc, buffer);
2534
2535 phy_info->hw_link_rate = buffer->HwLinkRate;
2536 phy_info->programmed_link_rate = buffer->ProgrammedLinkRate;
2537 phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle);
2538 phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle);
2539
2540 out_free_consistent:
2541 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2542 buffer, dma_handle);
2543 out:
2544 return error;
2545 }
2546
2547 static int
2548 mptsas_sas_device_pg0(MPT_ADAPTER *ioc, struct mptsas_devinfo *device_info,
2549 u32 form, u32 form_specific)
2550 {
2551 ConfigExtendedPageHeader_t hdr;
2552 CONFIGPARMS cfg;
2553 SasDevicePage0_t *buffer;
2554 dma_addr_t dma_handle;
2555 __le64 sas_address;
2556 int error=0;
2557
2558 hdr.PageVersion = MPI_SASDEVICE0_PAGEVERSION;
2559 hdr.ExtPageLength = 0;
2560 hdr.PageNumber = 0;
2561 hdr.Reserved1 = 0;
2562 hdr.Reserved2 = 0;
2563 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2564 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE;
2565
2566 cfg.cfghdr.ehdr = &hdr;
2567 cfg.pageAddr = form + form_specific;
2568 cfg.physAddr = -1;
2569 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2570 cfg.dir = 0; /* read */
2571 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2572
2573 memset(device_info, 0, sizeof(struct mptsas_devinfo));
2574 error = mpt_config(ioc, &cfg);
2575 if (error)
2576 goto out;
2577 if (!hdr.ExtPageLength) {
2578 error = -ENXIO;
2579 goto out;
2580 }
2581
2582 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2583 &dma_handle);
2584 if (!buffer) {
2585 error = -ENOMEM;
2586 goto out;
2587 }
2588
2589 cfg.physAddr = dma_handle;
2590 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2591
2592 error = mpt_config(ioc, &cfg);
2593
2594 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
2595 error = -ENODEV;
2596 goto out_free_consistent;
2597 }
2598
2599 if (error)
2600 goto out_free_consistent;
2601
2602 mptsas_print_device_pg0(ioc, buffer);
2603
2604 memset(device_info, 0, sizeof(struct mptsas_devinfo));
2605 device_info->handle = le16_to_cpu(buffer->DevHandle);
2606 device_info->handle_parent = le16_to_cpu(buffer->ParentDevHandle);
2607 device_info->handle_enclosure =
2608 le16_to_cpu(buffer->EnclosureHandle);
2609 device_info->slot = le16_to_cpu(buffer->Slot);
2610 device_info->phy_id = buffer->PhyNum;
2611 device_info->port_id = buffer->PhysicalPort;
2612 device_info->id = buffer->TargetID;
2613 device_info->phys_disk_num = ~0;
2614 device_info->channel = buffer->Bus;
2615 memcpy(&sas_address, &buffer->SASAddress, sizeof(__le64));
2616 device_info->sas_address = le64_to_cpu(sas_address);
2617 device_info->device_info =
2618 le32_to_cpu(buffer->DeviceInfo);
2619 device_info->flags = le16_to_cpu(buffer->Flags);
2620
2621 out_free_consistent:
2622 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2623 buffer, dma_handle);
2624 out:
2625 return error;
2626 }
2627
2628 static int
2629 mptsas_sas_expander_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info,
2630 u32 form, u32 form_specific)
2631 {
2632 ConfigExtendedPageHeader_t hdr;
2633 CONFIGPARMS cfg;
2634 SasExpanderPage0_t *buffer;
2635 dma_addr_t dma_handle;
2636 int i, error;
2637 __le64 sas_address;
2638
2639 memset(port_info, 0, sizeof(struct mptsas_portinfo));
2640 hdr.PageVersion = MPI_SASEXPANDER0_PAGEVERSION;
2641 hdr.ExtPageLength = 0;
2642 hdr.PageNumber = 0;
2643 hdr.Reserved1 = 0;
2644 hdr.Reserved2 = 0;
2645 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2646 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
2647
2648 cfg.cfghdr.ehdr = &hdr;
2649 cfg.physAddr = -1;
2650 cfg.pageAddr = form + form_specific;
2651 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2652 cfg.dir = 0; /* read */
2653 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2654
2655 memset(port_info, 0, sizeof(struct mptsas_portinfo));
2656 error = mpt_config(ioc, &cfg);
2657 if (error)
2658 goto out;
2659
2660 if (!hdr.ExtPageLength) {
2661 error = -ENXIO;
2662 goto out;
2663 }
2664
2665 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2666 &dma_handle);
2667 if (!buffer) {
2668 error = -ENOMEM;
2669 goto out;
2670 }
2671
2672 cfg.physAddr = dma_handle;
2673 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2674
2675 error = mpt_config(ioc, &cfg);
2676 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
2677 error = -ENODEV;
2678 goto out_free_consistent;
2679 }
2680
2681 if (error)
2682 goto out_free_consistent;
2683
2684 /* save config data */
2685 port_info->num_phys = (buffer->NumPhys) ? buffer->NumPhys : 1;
2686 port_info->phy_info = kcalloc(port_info->num_phys,
2687 sizeof(struct mptsas_phyinfo), GFP_KERNEL);
2688 if (!port_info->phy_info) {
2689 error = -ENOMEM;
2690 goto out_free_consistent;
2691 }
2692
2693 memcpy(&sas_address, &buffer->SASAddress, sizeof(__le64));
2694 for (i = 0; i < port_info->num_phys; i++) {
2695 port_info->phy_info[i].portinfo = port_info;
2696 port_info->phy_info[i].handle =
2697 le16_to_cpu(buffer->DevHandle);
2698 port_info->phy_info[i].identify.sas_address =
2699 le64_to_cpu(sas_address);
2700 port_info->phy_info[i].identify.handle_parent =
2701 le16_to_cpu(buffer->ParentDevHandle);
2702 }
2703
2704 out_free_consistent:
2705 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2706 buffer, dma_handle);
2707 out:
2708 return error;
2709 }
2710
2711 static int
2712 mptsas_sas_expander_pg1(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
2713 u32 form, u32 form_specific)
2714 {
2715 ConfigExtendedPageHeader_t hdr;
2716 CONFIGPARMS cfg;
2717 SasExpanderPage1_t *buffer;
2718 dma_addr_t dma_handle;
2719 int error=0;
2720
2721 hdr.PageVersion = MPI_SASEXPANDER1_PAGEVERSION;
2722 hdr.ExtPageLength = 0;
2723 hdr.PageNumber = 1;
2724 hdr.Reserved1 = 0;
2725 hdr.Reserved2 = 0;
2726 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2727 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
2728
2729 cfg.cfghdr.ehdr = &hdr;
2730 cfg.physAddr = -1;
2731 cfg.pageAddr = form + form_specific;
2732 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2733 cfg.dir = 0; /* read */
2734 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2735
2736 error = mpt_config(ioc, &cfg);
2737 if (error)
2738 goto out;
2739
2740 if (!hdr.ExtPageLength) {
2741 error = -ENXIO;
2742 goto out;
2743 }
2744
2745 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2746 &dma_handle);
2747 if (!buffer) {
2748 error = -ENOMEM;
2749 goto out;
2750 }
2751
2752 cfg.physAddr = dma_handle;
2753 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2754
2755 error = mpt_config(ioc, &cfg);
2756
2757 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
2758 error = -ENODEV;
2759 goto out_free_consistent;
2760 }
2761
2762 if (error)
2763 goto out_free_consistent;
2764
2765
2766 mptsas_print_expander_pg1(ioc, buffer);
2767
2768 /* save config data */
2769 phy_info->phy_id = buffer->PhyIdentifier;
2770 phy_info->port_id = buffer->PhysicalPort;
2771 phy_info->negotiated_link_rate = buffer->NegotiatedLinkRate;
2772 phy_info->programmed_link_rate = buffer->ProgrammedLinkRate;
2773 phy_info->hw_link_rate = buffer->HwLinkRate;
2774 phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle);
2775 phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle);
2776
2777 out_free_consistent:
2778 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2779 buffer, dma_handle);
2780 out:
2781 return error;
2782 }
2783
2784 struct rep_manu_request{
2785 u8 smp_frame_type;
2786 u8 function;
2787 u8 reserved;
2788 u8 request_length;
2789 };
2790
2791 struct rep_manu_reply{
2792 u8 smp_frame_type; /* 0x41 */
2793 u8 function; /* 0x01 */
2794 u8 function_result;
2795 u8 response_length;
2796 u16 expander_change_count;
2797 u8 reserved0[2];
2798 u8 sas_format:1;
2799 u8 reserved1:7;
2800 u8 reserved2[3];
2801 u8 vendor_id[SAS_EXPANDER_VENDOR_ID_LEN];
2802 u8 product_id[SAS_EXPANDER_PRODUCT_ID_LEN];
2803 u8 product_rev[SAS_EXPANDER_PRODUCT_REV_LEN];
2804 u8 component_vendor_id[SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN];
2805 u16 component_id;
2806 u8 component_revision_id;
2807 u8 reserved3;
2808 u8 vendor_specific[8];
2809 };
2810
2811 /**
2812 * mptsas_exp_repmanufacture_info -
2813 * @ioc: per adapter object
2814 * @sas_address: expander sas address
2815 * @edev: the sas_expander_device object
2816 *
2817 * Fills in the sas_expander_device object when SMP port is created.
2818 *
2819 * Returns 0 for success, non-zero for failure.
2820 */
2821 static int
2822 mptsas_exp_repmanufacture_info(MPT_ADAPTER *ioc,
2823 u64 sas_address, struct sas_expander_device *edev)
2824 {
2825 MPT_FRAME_HDR *mf;
2826 SmpPassthroughRequest_t *smpreq;
2827 SmpPassthroughReply_t *smprep;
2828 struct rep_manu_reply *manufacture_reply;
2829 struct rep_manu_request *manufacture_request;
2830 int ret;
2831 int flagsLength;
2832 unsigned long timeleft;
2833 char *psge;
2834 unsigned long flags;
2835 void *data_out = NULL;
2836 dma_addr_t data_out_dma = 0;
2837 u32 sz;
2838
2839 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2840 if (ioc->ioc_reset_in_progress) {
2841 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2842 printk(MYIOC_s_INFO_FMT "%s: host reset in progress!\n",
2843 __func__, ioc->name);
2844 return -EFAULT;
2845 }
2846 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2847
2848 ret = mutex_lock_interruptible(&ioc->sas_mgmt.mutex);
2849 if (ret)
2850 goto out;
2851
2852 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
2853 if (!mf) {
2854 ret = -ENOMEM;
2855 goto out_unlock;
2856 }
2857
2858 smpreq = (SmpPassthroughRequest_t *)mf;
2859 memset(smpreq, 0, sizeof(*smpreq));
2860
2861 sz = sizeof(struct rep_manu_request) + sizeof(struct rep_manu_reply);
2862
2863 data_out = pci_alloc_consistent(ioc->pcidev, sz, &data_out_dma);
2864 if (!data_out) {
2865 printk(KERN_ERR "Memory allocation failure at %s:%d/%s()!\n",
2866 __FILE__, __LINE__, __func__);
2867 ret = -ENOMEM;
2868 goto put_mf;
2869 }
2870
2871 manufacture_request = data_out;
2872 manufacture_request->smp_frame_type = 0x40;
2873 manufacture_request->function = 1;
2874 manufacture_request->reserved = 0;
2875 manufacture_request->request_length = 0;
2876
2877 smpreq->Function = MPI_FUNCTION_SMP_PASSTHROUGH;
2878 smpreq->PhysicalPort = 0xFF;
2879 *((u64 *)&smpreq->SASAddress) = cpu_to_le64(sas_address);
2880 smpreq->RequestDataLength = sizeof(struct rep_manu_request);
2881
2882 psge = (char *)
2883 (((int *) mf) + (offsetof(SmpPassthroughRequest_t, SGL) / 4));
2884
2885 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2886 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
2887 MPI_SGE_FLAGS_HOST_TO_IOC |
2888 MPI_SGE_FLAGS_END_OF_BUFFER;
2889 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT;
2890 flagsLength |= sizeof(struct rep_manu_request);
2891
2892 ioc->add_sge(psge, flagsLength, data_out_dma);
2893 psge += ioc->SGE_size;
2894
2895 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2896 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
2897 MPI_SGE_FLAGS_IOC_TO_HOST |
2898 MPI_SGE_FLAGS_END_OF_BUFFER;
2899 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT;
2900 flagsLength |= sizeof(struct rep_manu_reply);
2901 ioc->add_sge(psge, flagsLength, data_out_dma +
2902 sizeof(struct rep_manu_request));
2903
2904 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status)
2905 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
2906
2907 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done, 10 * HZ);
2908 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2909 ret = -ETIME;
2910 mpt_free_msg_frame(ioc, mf);
2911 mf = NULL;
2912 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
2913 goto out_free;
2914 if (!timeleft)
2915 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2916 goto out_free;
2917 }
2918
2919 mf = NULL;
2920
2921 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_RF_VALID) {
2922 u8 *tmp;
2923
2924 smprep = (SmpPassthroughReply_t *)ioc->sas_mgmt.reply;
2925 if (le16_to_cpu(smprep->ResponseDataLength) !=
2926 sizeof(struct rep_manu_reply))
2927 goto out_free;
2928
2929 manufacture_reply = data_out + sizeof(struct rep_manu_request);
2930 strncpy(edev->vendor_id, manufacture_reply->vendor_id,
2931 SAS_EXPANDER_VENDOR_ID_LEN);
2932 strncpy(edev->product_id, manufacture_reply->product_id,
2933 SAS_EXPANDER_PRODUCT_ID_LEN);
2934 strncpy(edev->product_rev, manufacture_reply->product_rev,
2935 SAS_EXPANDER_PRODUCT_REV_LEN);
2936 edev->level = manufacture_reply->sas_format;
2937 if (manufacture_reply->sas_format) {
2938 strncpy(edev->component_vendor_id,
2939 manufacture_reply->component_vendor_id,
2940 SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN);
2941 tmp = (u8 *)&manufacture_reply->component_id;
2942 edev->component_id = tmp[0] << 8 | tmp[1];
2943 edev->component_revision_id =
2944 manufacture_reply->component_revision_id;
2945 }
2946 } else {
2947 printk(MYIOC_s_ERR_FMT
2948 "%s: smp passthru reply failed to be returned\n",
2949 ioc->name, __func__);
2950 ret = -ENXIO;
2951 }
2952 out_free:
2953 if (data_out_dma)
2954 pci_free_consistent(ioc->pcidev, sz, data_out, data_out_dma);
2955 put_mf:
2956 if (mf)
2957 mpt_free_msg_frame(ioc, mf);
2958 out_unlock:
2959 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status)
2960 mutex_unlock(&ioc->sas_mgmt.mutex);
2961 out:
2962 return ret;
2963 }
2964
2965 static void
2966 mptsas_parse_device_info(struct sas_identify *identify,
2967 struct mptsas_devinfo *device_info)
2968 {
2969 u16 protocols;
2970
2971 identify->sas_address = device_info->sas_address;
2972 identify->phy_identifier = device_info->phy_id;
2973
2974 /*
2975 * Fill in Phy Initiator Port Protocol.
2976 * Bits 6:3, more than one bit can be set, fall through cases.
2977 */
2978 protocols = device_info->device_info & 0x78;
2979 identify->initiator_port_protocols = 0;
2980 if (protocols & MPI_SAS_DEVICE_INFO_SSP_INITIATOR)
2981 identify->initiator_port_protocols |= SAS_PROTOCOL_SSP;
2982 if (protocols & MPI_SAS_DEVICE_INFO_STP_INITIATOR)
2983 identify->initiator_port_protocols |= SAS_PROTOCOL_STP;
2984 if (protocols & MPI_SAS_DEVICE_INFO_SMP_INITIATOR)
2985 identify->initiator_port_protocols |= SAS_PROTOCOL_SMP;
2986 if (protocols & MPI_SAS_DEVICE_INFO_SATA_HOST)
2987 identify->initiator_port_protocols |= SAS_PROTOCOL_SATA;
2988
2989 /*
2990 * Fill in Phy Target Port Protocol.
2991 * Bits 10:7, more than one bit can be set, fall through cases.
2992 */
2993 protocols = device_info->device_info & 0x780;
2994 identify->target_port_protocols = 0;
2995 if (protocols & MPI_SAS_DEVICE_INFO_SSP_TARGET)
2996 identify->target_port_protocols |= SAS_PROTOCOL_SSP;
2997 if (protocols & MPI_SAS_DEVICE_INFO_STP_TARGET)
2998 identify->target_port_protocols |= SAS_PROTOCOL_STP;
2999 if (protocols & MPI_SAS_DEVICE_INFO_SMP_TARGET)
3000 identify->target_port_protocols |= SAS_PROTOCOL_SMP;
3001 if (protocols & MPI_SAS_DEVICE_INFO_SATA_DEVICE)
3002 identify->target_port_protocols |= SAS_PROTOCOL_SATA;
3003
3004 /*
3005 * Fill in Attached device type.
3006 */
3007 switch (device_info->device_info &
3008 MPI_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) {
3009 case MPI_SAS_DEVICE_INFO_NO_DEVICE:
3010 identify->device_type = SAS_PHY_UNUSED;
3011 break;
3012 case MPI_SAS_DEVICE_INFO_END_DEVICE:
3013 identify->device_type = SAS_END_DEVICE;
3014 break;
3015 case MPI_SAS_DEVICE_INFO_EDGE_EXPANDER:
3016 identify->device_type = SAS_EDGE_EXPANDER_DEVICE;
3017 break;
3018 case MPI_SAS_DEVICE_INFO_FANOUT_EXPANDER:
3019 identify->device_type = SAS_FANOUT_EXPANDER_DEVICE;
3020 break;
3021 }
3022 }
3023
3024 static int mptsas_probe_one_phy(struct device *dev,
3025 struct mptsas_phyinfo *phy_info, int index, int local)
3026 {
3027 MPT_ADAPTER *ioc;
3028 struct sas_phy *phy;
3029 struct sas_port *port;
3030 int error = 0;
3031 VirtTarget *vtarget;
3032
3033 if (!dev) {
3034 error = -ENODEV;
3035 goto out;
3036 }
3037
3038 if (!phy_info->phy) {
3039 phy = sas_phy_alloc(dev, index);
3040 if (!phy) {
3041 error = -ENOMEM;
3042 goto out;
3043 }
3044 } else
3045 phy = phy_info->phy;
3046
3047 mptsas_parse_device_info(&phy->identify, &phy_info->identify);
3048
3049 /*
3050 * Set Negotiated link rate.
3051 */
3052 switch (phy_info->negotiated_link_rate) {
3053 case MPI_SAS_IOUNIT0_RATE_PHY_DISABLED:
3054 phy->negotiated_linkrate = SAS_PHY_DISABLED;
3055 break;
3056 case MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION:
3057 phy->negotiated_linkrate = SAS_LINK_RATE_FAILED;
3058 break;
3059 case MPI_SAS_IOUNIT0_RATE_1_5:
3060 phy->negotiated_linkrate = SAS_LINK_RATE_1_5_GBPS;
3061 break;
3062 case MPI_SAS_IOUNIT0_RATE_3_0:
3063 phy->negotiated_linkrate = SAS_LINK_RATE_3_0_GBPS;
3064 break;
3065 case MPI_SAS_IOUNIT0_RATE_6_0:
3066 phy->negotiated_linkrate = SAS_LINK_RATE_6_0_GBPS;
3067 break;
3068 case MPI_SAS_IOUNIT0_RATE_SATA_OOB_COMPLETE:
3069 case MPI_SAS_IOUNIT0_RATE_UNKNOWN:
3070 default:
3071 phy->negotiated_linkrate = SAS_LINK_RATE_UNKNOWN;
3072 break;
3073 }
3074
3075 /*
3076 * Set Max hardware link rate.
3077 */
3078 switch (phy_info->hw_link_rate & MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) {
3079 case MPI_SAS_PHY0_HWRATE_MAX_RATE_1_5:
3080 phy->maximum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3081 break;
3082 case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0:
3083 phy->maximum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS;
3084 break;
3085 default:
3086 break;
3087 }
3088
3089 /*
3090 * Set Max programmed link rate.
3091 */
3092 switch (phy_info->programmed_link_rate &
3093 MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) {
3094 case MPI_SAS_PHY0_PRATE_MAX_RATE_1_5:
3095 phy->maximum_linkrate = SAS_LINK_RATE_1_5_GBPS;
3096 break;
3097 case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0:
3098 phy->maximum_linkrate = SAS_LINK_RATE_3_0_GBPS;
3099 break;
3100 default:
3101 break;
3102 }
3103
3104 /*
3105 * Set Min hardware link rate.
3106 */
3107 switch (phy_info->hw_link_rate & MPI_SAS_PHY0_HWRATE_MIN_RATE_MASK) {
3108 case MPI_SAS_PHY0_HWRATE_MIN_RATE_1_5:
3109 phy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3110 break;
3111 case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0:
3112 phy->minimum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS;
3113 break;
3114 default:
3115 break;
3116 }
3117
3118 /*
3119 * Set Min programmed link rate.
3120 */
3121 switch (phy_info->programmed_link_rate &
3122 MPI_SAS_PHY0_PRATE_MIN_RATE_MASK) {
3123 case MPI_SAS_PHY0_PRATE_MIN_RATE_1_5:
3124 phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
3125 break;
3126 case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0:
3127 phy->minimum_linkrate = SAS_LINK_RATE_3_0_GBPS;
3128 break;
3129 default:
3130 break;
3131 }
3132
3133 if (!phy_info->phy) {
3134
3135 error = sas_phy_add(phy);
3136 if (error) {
3137 sas_phy_free(phy);
3138 goto out;
3139 }
3140 phy_info->phy = phy;
3141 }
3142
3143 if (!phy_info->attached.handle ||
3144 !phy_info->port_details)
3145 goto out;
3146
3147 port = mptsas_get_port(phy_info);
3148 ioc = phy_to_ioc(phy_info->phy);
3149
3150 if (phy_info->sas_port_add_phy) {
3151
3152 if (!port) {
3153 port = sas_port_alloc_num(dev);
3154 if (!port) {
3155 error = -ENOMEM;
3156 goto out;
3157 }
3158 error = sas_port_add(port);
3159 if (error) {
3160 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3161 "%s: exit at line=%d\n", ioc->name,
3162 __func__, __LINE__));
3163 goto out;
3164 }
3165 mptsas_set_port(ioc, phy_info, port);
3166 devtprintk(ioc, dev_printk(KERN_DEBUG, &port->dev,
3167 MYIOC_s_FMT "add port %d, sas_addr (0x%llx)\n",
3168 ioc->name, port->port_identifier,
3169 (unsigned long long)phy_info->
3170 attached.sas_address));
3171 }
3172 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3173 "sas_port_add_phy: phy_id=%d\n",
3174 ioc->name, phy_info->phy_id));
3175 sas_port_add_phy(port, phy_info->phy);
3176 phy_info->sas_port_add_phy = 0;
3177 devtprintk(ioc, dev_printk(KERN_DEBUG, &phy_info->phy->dev,
3178 MYIOC_s_FMT "add phy %d, phy-obj (0x%p)\n", ioc->name,
3179 phy_info->phy_id, phy_info->phy));
3180 }
3181 if (!mptsas_get_rphy(phy_info) && port && !port->rphy) {
3182
3183 struct sas_rphy *rphy;
3184 struct device *parent;
3185 struct sas_identify identify;
3186
3187 parent = dev->parent->parent;
3188 /*
3189 * Let the hotplug_work thread handle processing
3190 * the adding/removing of devices that occur
3191 * after start of day.
3192 */
3193 if (mptsas_is_end_device(&phy_info->attached) &&
3194 phy_info->attached.handle_parent) {
3195 goto out;
3196 }
3197
3198 mptsas_parse_device_info(&identify, &phy_info->attached);
3199 if (scsi_is_host_device(parent)) {
3200 struct mptsas_portinfo *port_info;
3201 int i;
3202
3203 port_info = ioc->hba_port_info;
3204
3205 for (i = 0; i < port_info->num_phys; i++)
3206 if (port_info->phy_info[i].identify.sas_address ==
3207 identify.sas_address) {
3208 sas_port_mark_backlink(port);
3209 goto out;
3210 }
3211
3212 } else if (scsi_is_sas_rphy(parent)) {
3213 struct sas_rphy *parent_rphy = dev_to_rphy(parent);
3214 if (identify.sas_address ==
3215 parent_rphy->identify.sas_address) {
3216 sas_port_mark_backlink(port);
3217 goto out;
3218 }
3219 }
3220
3221 switch (identify.device_type) {
3222 case SAS_END_DEVICE:
3223 rphy = sas_end_device_alloc(port);
3224 break;
3225 case SAS_EDGE_EXPANDER_DEVICE:
3226 case SAS_FANOUT_EXPANDER_DEVICE:
3227 rphy = sas_expander_alloc(port, identify.device_type);
3228 break;
3229 default:
3230 rphy = NULL;
3231 break;
3232 }
3233 if (!rphy) {
3234 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3235 "%s: exit at line=%d\n", ioc->name,
3236 __func__, __LINE__));
3237 goto out;
3238 }
3239
3240 rphy->identify = identify;
3241 error = sas_rphy_add(rphy);
3242 if (error) {
3243 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3244 "%s: exit at line=%d\n", ioc->name,
3245 __func__, __LINE__));
3246 sas_rphy_free(rphy);
3247 goto out;
3248 }
3249 mptsas_set_rphy(ioc, phy_info, rphy);
3250 if (identify.device_type == SAS_EDGE_EXPANDER_DEVICE ||
3251 identify.device_type == SAS_FANOUT_EXPANDER_DEVICE)
3252 mptsas_exp_repmanufacture_info(ioc,
3253 identify.sas_address,
3254 rphy_to_expander_device(rphy));
3255 }
3256
3257 /* If the device exists,verify it wasn't previously flagged
3258 as a missing device. If so, clear it */
3259 vtarget = mptsas_find_vtarget(ioc,
3260 phy_info->attached.channel,
3261 phy_info->attached.id);
3262 if (vtarget && vtarget->inDMD) {
3263 printk(KERN_INFO "Device returned, unsetting inDMD\n");
3264 vtarget->inDMD = 0;
3265 }
3266
3267 out:
3268 return error;
3269 }
3270
3271 static int
3272 mptsas_probe_hba_phys(MPT_ADAPTER *ioc)
3273 {
3274 struct mptsas_portinfo *port_info, *hba;
3275 int error = -ENOMEM, i;
3276
3277 hba = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
3278 if (! hba)
3279 goto out;
3280
3281 error = mptsas_sas_io_unit_pg0(ioc, hba);
3282 if (error)
3283 goto out_free_port_info;
3284
3285 mptsas_sas_io_unit_pg1(ioc);
3286 mutex_lock(&ioc->sas_topology_mutex);
3287 port_info = ioc->hba_port_info;
3288 if (!port_info) {
3289 ioc->hba_port_info = port_info = hba;
3290 ioc->hba_port_num_phy = port_info->num_phys;
3291 list_add_tail(&port_info->list, &ioc->sas_topology);
3292 } else {
3293 for (i = 0; i < hba->num_phys; i++) {
3294 port_info->phy_info[i].negotiated_link_rate =
3295 hba->phy_info[i].negotiated_link_rate;
3296 port_info->phy_info[i].handle =
3297 hba->phy_info[i].handle;
3298 port_info->phy_info[i].port_id =
3299 hba->phy_info[i].port_id;
3300 }
3301 kfree(hba->phy_info);
3302 kfree(hba);
3303 hba = NULL;
3304 }
3305 mutex_unlock(&ioc->sas_topology_mutex);
3306 #if defined(CPQ_CIM)
3307 ioc->num_ports = port_info->num_phys;
3308 #endif
3309 for (i = 0; i < port_info->num_phys; i++) {
3310 mptsas_sas_phy_pg0(ioc, &port_info->phy_info[i],
3311 (MPI_SAS_PHY_PGAD_FORM_PHY_NUMBER <<
3312 MPI_SAS_PHY_PGAD_FORM_SHIFT), i);
3313 port_info->phy_info[i].identify.handle =
3314 port_info->phy_info[i].handle;
3315 mptsas_sas_device_pg0(ioc, &port_info->phy_info[i].identify,
3316 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3317 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3318 port_info->phy_info[i].identify.handle);
3319 if (!ioc->hba_port_sas_addr)
3320 ioc->hba_port_sas_addr =
3321 port_info->phy_info[i].identify.sas_address;
3322 port_info->phy_info[i].identify.phy_id =
3323 port_info->phy_info[i].phy_id = i;
3324 if (port_info->phy_info[i].attached.handle)
3325 mptsas_sas_device_pg0(ioc,
3326 &port_info->phy_info[i].attached,
3327 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3328 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3329 port_info->phy_info[i].attached.handle);
3330 }
3331
3332 mptsas_setup_wide_ports(ioc, port_info);
3333
3334 for (i = 0; i < port_info->num_phys; i++, ioc->sas_index++)
3335 mptsas_probe_one_phy(&ioc->sh->shost_gendev,
3336 &port_info->phy_info[i], ioc->sas_index, 1);
3337
3338 return 0;
3339
3340 out_free_port_info:
3341 kfree(hba);
3342 out:
3343 return error;
3344 }
3345
3346 static void
3347 mptsas_expander_refresh(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
3348 {
3349 struct mptsas_portinfo *parent;
3350 struct device *parent_dev;
3351 struct sas_rphy *rphy;
3352 int i;
3353 u64 sas_address; /* expander sas address */
3354 u32 handle;
3355
3356 handle = port_info->phy_info[0].handle;
3357 sas_address = port_info->phy_info[0].identify.sas_address;
3358 for (i = 0; i < port_info->num_phys; i++) {
3359 mptsas_sas_expander_pg1(ioc, &port_info->phy_info[i],
3360 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE_PHY_NUM <<
3361 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), (i << 16) + handle);
3362
3363 mptsas_sas_device_pg0(ioc,
3364 &port_info->phy_info[i].identify,
3365 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3366 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3367 port_info->phy_info[i].identify.handle);
3368 port_info->phy_info[i].identify.phy_id =
3369 port_info->phy_info[i].phy_id;
3370
3371 if (port_info->phy_info[i].attached.handle) {
3372 mptsas_sas_device_pg0(ioc,
3373 &port_info->phy_info[i].attached,
3374 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3375 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3376 port_info->phy_info[i].attached.handle);
3377 port_info->phy_info[i].attached.phy_id =
3378 port_info->phy_info[i].phy_id;
3379 }
3380 }
3381
3382 mutex_lock(&ioc->sas_topology_mutex);
3383 parent = mptsas_find_portinfo_by_handle(ioc,
3384 port_info->phy_info[0].identify.handle_parent);
3385 if (!parent) {
3386 mutex_unlock(&ioc->sas_topology_mutex);
3387 return;
3388 }
3389 for (i = 0, parent_dev = NULL; i < parent->num_phys && !parent_dev;
3390 i++) {
3391 if (parent->phy_info[i].attached.sas_address == sas_address) {
3392 rphy = mptsas_get_rphy(&parent->phy_info[i]);
3393 parent_dev = &rphy->dev;
3394 }
3395 }
3396 mutex_unlock(&ioc->sas_topology_mutex);
3397
3398 mptsas_setup_wide_ports(ioc, port_info);
3399 for (i = 0; i < port_info->num_phys; i++, ioc->sas_index++)
3400 mptsas_probe_one_phy(parent_dev, &port_info->phy_info[i],
3401 ioc->sas_index, 0);
3402 }
3403
3404 static void
3405 mptsas_expander_event_add(MPT_ADAPTER *ioc,
3406 MpiEventDataSasExpanderStatusChange_t *expander_data)
3407 {
3408 struct mptsas_portinfo *port_info;
3409 int i;
3410 __le64 sas_address;
3411
3412 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
3413 if (!port_info)
3414 BUG();
3415 port_info->num_phys = (expander_data->NumPhys) ?
3416 expander_data->NumPhys : 1;
3417 port_info->phy_info = kcalloc(port_info->num_phys,
3418 sizeof(struct mptsas_phyinfo), GFP_KERNEL);
3419 if (!port_info->phy_info)
3420 BUG();
3421 memcpy(&sas_address, &expander_data->SASAddress, sizeof(__le64));
3422 for (i = 0; i < port_info->num_phys; i++) {
3423 port_info->phy_info[i].portinfo = port_info;
3424 port_info->phy_info[i].handle =
3425 le16_to_cpu(expander_data->DevHandle);
3426 port_info->phy_info[i].identify.sas_address =
3427 le64_to_cpu(sas_address);
3428 port_info->phy_info[i].identify.handle_parent =
3429 le16_to_cpu(expander_data->ParentDevHandle);
3430 }
3431
3432 mutex_lock(&ioc->sas_topology_mutex);
3433 list_add_tail(&port_info->list, &ioc->sas_topology);
3434 mutex_unlock(&ioc->sas_topology_mutex);
3435
3436 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, "
3437 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3438 (unsigned long long)sas_address);
3439
3440 mptsas_expander_refresh(ioc, port_info);
3441 }
3442
3443 /**
3444 * mptsas_delete_expander_siblings - remove siblings attached to expander
3445 * @ioc: Pointer to MPT_ADAPTER structure
3446 * @parent: the parent port_info object
3447 * @expander: the expander port_info object
3448 **/
3449 static void
3450 mptsas_delete_expander_siblings(MPT_ADAPTER *ioc, struct mptsas_portinfo
3451 *parent, struct mptsas_portinfo *expander)
3452 {
3453 struct mptsas_phyinfo *phy_info;
3454 struct mptsas_portinfo *port_info;
3455 struct sas_rphy *rphy;
3456 int i;
3457
3458 phy_info = expander->phy_info;
3459 for (i = 0; i < expander->num_phys; i++, phy_info++) {
3460 rphy = mptsas_get_rphy(phy_info);
3461 if (!rphy)
3462 continue;
3463 if (rphy->identify.device_type == SAS_END_DEVICE)
3464 mptsas_del_end_device(ioc, phy_info);
3465 }
3466
3467 phy_info = expander->phy_info;
3468 for (i = 0; i < expander->num_phys; i++, phy_info++) {
3469 rphy = mptsas_get_rphy(phy_info);
3470 if (!rphy)
3471 continue;
3472 if (rphy->identify.device_type ==
3473 MPI_SAS_DEVICE_INFO_EDGE_EXPANDER ||
3474 rphy->identify.device_type ==
3475 MPI_SAS_DEVICE_INFO_FANOUT_EXPANDER) {
3476 port_info = mptsas_find_portinfo_by_sas_address(ioc,
3477 rphy->identify.sas_address);
3478 if (!port_info)
3479 continue;
3480 if (port_info == parent) /* backlink rphy */
3481 continue;
3482 /*
3483 Delete this expander even if the expdevpage is exists
3484 because the parent expander is already deleted
3485 */
3486 mptsas_expander_delete(ioc, port_info, 1);
3487 }
3488 }
3489 }
3490
3491
3492 /**
3493 * mptsas_expander_delete - remove this expander
3494 * @ioc: Pointer to MPT_ADAPTER structure
3495 * @port_info: expander port_info struct
3496 * @force: Flag to forcefully delete the expander
3497 *
3498 **/
3499
3500 static void mptsas_expander_delete(MPT_ADAPTER *ioc,
3501 struct mptsas_portinfo *port_info, u8 force)
3502 {
3503
3504 struct mptsas_portinfo *parent;
3505 int i;
3506 u64 expander_sas_address;
3507 struct mptsas_phyinfo *phy_info;
3508 struct mptsas_portinfo buffer;
3509 struct mptsas_portinfo_details *port_details;
3510 struct sas_port *port;
3511
3512 if (!port_info)
3513 return;
3514
3515 /* see if expander is still there before deleting */
3516 mptsas_sas_expander_pg0(ioc, &buffer,
3517 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE <<
3518 MPI_SAS_EXPAND_PGAD_FORM_SHIFT),
3519 port_info->phy_info[0].identify.handle);
3520
3521 if (buffer.num_phys) {
3522 kfree(buffer.phy_info);
3523 if (!force)
3524 return;
3525 }
3526
3527
3528 /*
3529 * Obtain the port_info instance to the parent port
3530 */
3531 port_details = NULL;
3532 expander_sas_address =
3533 port_info->phy_info[0].identify.sas_address;
3534 parent = mptsas_find_portinfo_by_handle(ioc,
3535 port_info->phy_info[0].identify.handle_parent);
3536 mptsas_delete_expander_siblings(ioc, parent, port_info);
3537 if (!parent)
3538 goto out;
3539
3540 /*
3541 * Delete rphys in the parent that point
3542 * to this expander.
3543 */
3544 phy_info = parent->phy_info;
3545 port = NULL;
3546 for (i = 0; i < parent->num_phys; i++, phy_info++) {
3547 if (!phy_info->phy)
3548 continue;
3549 if (phy_info->attached.sas_address !=
3550 expander_sas_address)
3551 continue;
3552 if (!port) {
3553 port = mptsas_get_port(phy_info);
3554 port_details = phy_info->port_details;
3555 }
3556 dev_printk(KERN_DEBUG, &phy_info->phy->dev,
3557 MYIOC_s_FMT "delete phy %d, phy-obj (0x%p)\n", ioc->name,
3558 phy_info->phy_id, phy_info->phy);
3559 sas_port_delete_phy(port, phy_info->phy);
3560 }
3561 if (port) {
3562 dev_printk(KERN_DEBUG, &port->dev,
3563 MYIOC_s_FMT "delete port %d, sas_addr (0x%llx)\n",
3564 ioc->name, port->port_identifier,
3565 (unsigned long long)expander_sas_address);
3566 sas_port_delete(port);
3567 mptsas_port_delete(ioc, port_details);
3568 }
3569 out:
3570
3571 printk(MYIOC_s_INFO_FMT "delete expander: num_phys %d, "
3572 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3573 (unsigned long long)expander_sas_address);
3574
3575 /*
3576 * free link
3577 */
3578 list_del(&port_info->list);
3579 kfree(port_info->phy_info);
3580 kfree(port_info);
3581 }
3582
3583
3584 /**
3585 * mptsas_send_expander_event - expanders events
3586 * @ioc: Pointer to MPT_ADAPTER structure
3587 * @expander_data: event data
3588 *
3589 *
3590 * This function handles adding, removing, and refreshing
3591 * device handles within the expander objects.
3592 */
3593 static void
3594 mptsas_send_expander_event(struct fw_event_work *fw_event)
3595 {
3596 MPT_ADAPTER *ioc;
3597 MpiEventDataSasExpanderStatusChange_t *expander_data;
3598 struct mptsas_portinfo *port_info;
3599 __le64 sas_address;
3600 int i;
3601
3602 ioc = fw_event->ioc;
3603 expander_data = (MpiEventDataSasExpanderStatusChange_t *)
3604 fw_event->event_data;
3605 memcpy(&sas_address, &expander_data->SASAddress, sizeof(__le64));
3606 sas_address = le64_to_cpu(sas_address);
3607 port_info = mptsas_find_portinfo_by_sas_address(ioc, sas_address);
3608
3609 if (expander_data->ReasonCode == MPI_EVENT_SAS_EXP_RC_ADDED) {
3610 if (port_info) {
3611 for (i = 0; i < port_info->num_phys; i++) {
3612 port_info->phy_info[i].portinfo = port_info;
3613 port_info->phy_info[i].handle =
3614 le16_to_cpu(expander_data->DevHandle);
3615 port_info->phy_info[i].identify.sas_address =
3616 le64_to_cpu(sas_address);
3617 port_info->phy_info[i].identify.handle_parent =
3618 le16_to_cpu(expander_data->ParentDevHandle);
3619 }
3620 mptsas_expander_refresh(ioc, port_info);
3621 } else if (!port_info && expander_data->NumPhys)
3622 mptsas_expander_event_add(ioc, expander_data);
3623 } else if (expander_data->ReasonCode ==
3624 MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING)
3625 mptsas_expander_delete(ioc, port_info, 0);
3626
3627 mptsas_free_fw_event(ioc, fw_event);
3628 }
3629
3630
3631 /**
3632 * mptsas_expander_add -
3633 * @ioc: Pointer to MPT_ADAPTER structure
3634 * @handle:
3635 *
3636 */
3637 struct mptsas_portinfo *
3638 mptsas_expander_add(MPT_ADAPTER *ioc, u16 handle)
3639 {
3640 struct mptsas_portinfo buffer, *port_info;
3641 int i;
3642
3643 if ((mptsas_sas_expander_pg0(ioc, &buffer,
3644 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE <<
3645 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle)))
3646 return NULL;
3647
3648 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_ATOMIC);
3649 if (!port_info) {
3650 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3651 "%s: exit at line=%d\n", ioc->name,
3652 __func__, __LINE__));
3653 return NULL;
3654 }
3655 port_info->num_phys = buffer.num_phys;
3656 port_info->phy_info = buffer.phy_info;
3657 for (i = 0; i < port_info->num_phys; i++)
3658 port_info->phy_info[i].portinfo = port_info;
3659 mutex_lock(&ioc->sas_topology_mutex);
3660 list_add_tail(&port_info->list, &ioc->sas_topology);
3661 mutex_unlock(&ioc->sas_topology_mutex);
3662 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, "
3663 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3664 (unsigned long long)buffer.phy_info[0].identify.sas_address);
3665 mptsas_expander_refresh(ioc, port_info);
3666 return port_info;
3667 }
3668
3669 static void
3670 mptsas_send_link_status_event(struct fw_event_work *fw_event)
3671 {
3672 MPT_ADAPTER *ioc;
3673 MpiEventDataSasPhyLinkStatus_t *link_data;
3674 struct mptsas_portinfo *port_info;
3675 struct mptsas_phyinfo *phy_info = NULL;
3676 __le64 sas_address;
3677 u8 phy_num;
3678 u8 link_rate;
3679
3680 ioc = fw_event->ioc;
3681 link_data = (MpiEventDataSasPhyLinkStatus_t *)fw_event->event_data;
3682
3683 memcpy(&sas_address, &link_data->SASAddress, sizeof(__le64));
3684 sas_address = le64_to_cpu(sas_address);
3685 link_rate = link_data->LinkRates >> 4;
3686 phy_num = link_data->PhyNum;
3687
3688 port_info = mptsas_find_portinfo_by_sas_address(ioc, sas_address);
3689 if (port_info) {
3690 phy_info = &port_info->phy_info[phy_num];
3691 if (phy_info)
3692 phy_info->negotiated_link_rate = link_rate;
3693 }
3694
3695 if (link_rate == MPI_SAS_IOUNIT0_RATE_1_5 ||
3696 link_rate == MPI_SAS_IOUNIT0_RATE_3_0 ||
3697 link_rate == MPI_SAS_IOUNIT0_RATE_6_0) {
3698
3699 if (!port_info) {
3700 if (ioc->old_sas_discovery_protocal) {
3701 port_info = mptsas_expander_add(ioc,
3702 le16_to_cpu(link_data->DevHandle));
3703 if (port_info)
3704 goto out;
3705 }
3706 goto out;
3707 }
3708
3709 if (port_info == ioc->hba_port_info)
3710 mptsas_probe_hba_phys(ioc);
3711 else
3712 mptsas_expander_refresh(ioc, port_info);
3713 } else if (phy_info && phy_info->phy) {
3714 if (link_rate == MPI_SAS_IOUNIT0_RATE_PHY_DISABLED)
3715 phy_info->phy->negotiated_linkrate =
3716 SAS_PHY_DISABLED;
3717 else if (link_rate ==
3718 MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION)
3719 phy_info->phy->negotiated_linkrate =
3720 SAS_LINK_RATE_FAILED;
3721 else {
3722 phy_info->phy->negotiated_linkrate =
3723 SAS_LINK_RATE_UNKNOWN;
3724 if (ioc->device_missing_delay &&
3725 mptsas_is_end_device(&phy_info->attached)) {
3726 struct scsi_device *sdev;
3727 VirtDevice *vdevice;
3728 u8 channel, id;
3729 id = phy_info->attached.id;
3730 channel = phy_info->attached.channel;
3731 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3732 "Link down for fw_id %d:fw_channel %d\n",
3733 ioc->name, phy_info->attached.id,
3734 phy_info->attached.channel));
3735
3736 shost_for_each_device(sdev, ioc->sh) {
3737 vdevice = sdev->hostdata;
3738 if ((vdevice == NULL) ||
3739 (vdevice->vtarget == NULL))
3740 continue;
3741 if ((vdevice->vtarget->tflags &
3742 MPT_TARGET_FLAGS_RAID_COMPONENT ||
3743 vdevice->vtarget->raidVolume))
3744 continue;
3745 if (vdevice->vtarget->id == id &&
3746 vdevice->vtarget->channel ==
3747 channel)
3748 devtprintk(ioc,
3749 printk(MYIOC_s_DEBUG_FMT
3750 "SDEV OUTSTANDING CMDS"
3751 "%d\n", ioc->name,
3752 sdev->device_busy));
3753 }
3754
3755 }
3756 }
3757 }
3758 out:
3759 mptsas_free_fw_event(ioc, fw_event);
3760 }
3761
3762 static void
3763 mptsas_not_responding_devices(MPT_ADAPTER *ioc)
3764 {
3765 struct mptsas_portinfo buffer, *port_info;
3766 struct mptsas_device_info *sas_info;
3767 struct mptsas_devinfo sas_device;
3768 u32 handle;
3769 VirtTarget *vtarget = NULL;
3770 struct mptsas_phyinfo *phy_info;
3771 u8 found_expander;
3772 int retval, retry_count;
3773 unsigned long flags;
3774
3775 mpt_findImVolumes(ioc);
3776
3777 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
3778 if (ioc->ioc_reset_in_progress) {
3779 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3780 "%s: exiting due to a parallel reset \n", ioc->name,
3781 __func__));
3782 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
3783 return;
3784 }
3785 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
3786
3787 /* devices, logical volumes */
3788 mutex_lock(&ioc->sas_device_info_mutex);
3789 redo_device_scan:
3790 list_for_each_entry(sas_info, &ioc->sas_device_info_list, list) {
3791 if (sas_info->is_cached)
3792 continue;
3793 if (!sas_info->is_logical_volume) {
3794 sas_device.handle = 0;
3795 retry_count = 0;
3796 retry_page:
3797 retval = mptsas_sas_device_pg0(ioc, &sas_device,
3798 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID
3799 << MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3800 (sas_info->fw.channel << 8) +
3801 sas_info->fw.id);
3802
3803 if (sas_device.handle)
3804 continue;
3805 if (retval == -EBUSY) {
3806 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
3807 if (ioc->ioc_reset_in_progress) {
3808 dfailprintk(ioc,
3809 printk(MYIOC_s_DEBUG_FMT
3810 "%s: exiting due to reset\n",
3811 ioc->name, __func__));
3812 spin_unlock_irqrestore
3813 (&ioc->taskmgmt_lock, flags);
3814 mutex_unlock(&ioc->
3815 sas_device_info_mutex);
3816 return;
3817 }
3818 spin_unlock_irqrestore(&ioc->taskmgmt_lock,
3819 flags);
3820 }
3821
3822 if (retval && (retval != -ENODEV)) {
3823 if (retry_count < 10) {
3824 retry_count++;
3825 goto retry_page;
3826 } else {
3827 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3828 "%s: Config page retry exceeded retry "
3829 "count deleting device 0x%llx\n",
3830 ioc->name, __func__,
3831 sas_info->sas_address));
3832 }
3833 }
3834
3835 /* delete device */
3836 vtarget = mptsas_find_vtarget(ioc,
3837 sas_info->fw.channel, sas_info->fw.id);
3838
3839 if (vtarget)
3840 vtarget->deleted = 1;
3841
3842 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
3843 sas_info->sas_address);
3844
3845 if (phy_info) {
3846 mptsas_del_end_device(ioc, phy_info);
3847 goto redo_device_scan;
3848 }
3849 } else
3850 mptsas_volume_delete(ioc, sas_info->fw.id);
3851 }
3852 mutex_unlock(&ioc->sas_device_info_mutex);
3853
3854 /* expanders */
3855 mutex_lock(&ioc->sas_topology_mutex);
3856 redo_expander_scan:
3857 list_for_each_entry(port_info, &ioc->sas_topology, list) {
3858
3859 if (port_info->phy_info &&
3860 (!(port_info->phy_info[0].identify.device_info &
3861 MPI_SAS_DEVICE_INFO_SMP_TARGET)))
3862 continue;
3863 found_expander = 0;
3864 handle = 0xFFFF;
3865 while (!mptsas_sas_expander_pg0(ioc, &buffer,
3866 (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE <<
3867 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle) &&
3868 !found_expander) {
3869
3870 handle = buffer.phy_info[0].handle;
3871 if (buffer.phy_info[0].identify.sas_address ==
3872 port_info->phy_info[0].identify.sas_address) {
3873 found_expander = 1;
3874 }
3875 kfree(buffer.phy_info);
3876 }
3877
3878 if (!found_expander) {
3879 mptsas_expander_delete(ioc, port_info, 0);
3880 goto redo_expander_scan;
3881 }
3882 }
3883 mutex_unlock(&ioc->sas_topology_mutex);
3884 }
3885
3886 /**
3887 * mptsas_probe_expanders - adding expanders
3888 * @ioc: Pointer to MPT_ADAPTER structure
3889 *
3890 **/
3891 static void
3892 mptsas_probe_expanders(MPT_ADAPTER *ioc)
3893 {
3894 struct mptsas_portinfo buffer, *port_info;
3895 u32 handle;
3896 int i;
3897
3898 handle = 0xFFFF;
3899 while (!mptsas_sas_expander_pg0(ioc, &buffer,
3900 (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE <<
3901 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle)) {
3902
3903 handle = buffer.phy_info[0].handle;
3904 port_info = mptsas_find_portinfo_by_sas_address(ioc,
3905 buffer.phy_info[0].identify.sas_address);
3906
3907 if (port_info) {
3908 /* refreshing handles */
3909 for (i = 0; i < buffer.num_phys; i++) {
3910 port_info->phy_info[i].handle = handle;
3911 port_info->phy_info[i].identify.handle_parent =
3912 buffer.phy_info[0].identify.handle_parent;
3913 }
3914 mptsas_expander_refresh(ioc, port_info);
3915 kfree(buffer.phy_info);
3916 continue;
3917 }
3918
3919 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
3920 if (!port_info) {
3921 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3922 "%s: exit at line=%d\n", ioc->name,
3923 __func__, __LINE__));
3924 return;
3925 }
3926 port_info->num_phys = buffer.num_phys;
3927 port_info->phy_info = buffer.phy_info;
3928 for (i = 0; i < port_info->num_phys; i++)
3929 port_info->phy_info[i].portinfo = port_info;
3930 mutex_lock(&ioc->sas_topology_mutex);
3931 list_add_tail(&port_info->list, &ioc->sas_topology);
3932 mutex_unlock(&ioc->sas_topology_mutex);
3933 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, "
3934 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3935 (unsigned long long)buffer.phy_info[0].identify.sas_address);
3936 mptsas_expander_refresh(ioc, port_info);
3937 }
3938 }
3939
3940 static void
3941 mptsas_probe_devices(MPT_ADAPTER *ioc)
3942 {
3943 u16 handle;
3944 struct mptsas_devinfo sas_device;
3945 struct mptsas_phyinfo *phy_info;
3946
3947 handle = 0xFFFF;
3948 while (!(mptsas_sas_device_pg0(ioc, &sas_device,
3949 MPI_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
3950
3951 handle = sas_device.handle;
3952
3953 if ((sas_device.device_info &
3954 (MPI_SAS_DEVICE_INFO_SSP_TARGET |
3955 MPI_SAS_DEVICE_INFO_STP_TARGET |
3956 MPI_SAS_DEVICE_INFO_SATA_DEVICE)) == 0)
3957 continue;
3958
3959 /* If there is no FW B_T mapping for this device then continue
3960 * */
3961 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
3962 || !(sas_device.flags &
3963 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
3964 continue;
3965
3966 phy_info = mptsas_refreshing_device_handles(ioc, &sas_device);
3967 if (!phy_info)
3968 continue;
3969
3970 if (mptsas_get_rphy(phy_info))
3971 continue;
3972
3973 mptsas_add_end_device(ioc, phy_info);
3974 }
3975 }
3976
3977 /**
3978 * mptsas_scan_sas_topology -
3979 * @ioc: Pointer to MPT_ADAPTER structure
3980 * @sas_address:
3981 *
3982 **/
3983 static void
3984 mptsas_scan_sas_topology(MPT_ADAPTER *ioc)
3985 {
3986 struct scsi_device *sdev;
3987 int i;
3988
3989 mptsas_probe_hba_phys(ioc);
3990 mptsas_probe_expanders(ioc);
3991 mptsas_probe_devices(ioc);
3992
3993 /*
3994 Reporting RAID volumes.
3995 */
3996 if (!ioc->ir_firmware || !ioc->raid_data.pIocPg2 ||
3997 !ioc->raid_data.pIocPg2->NumActiveVolumes)
3998 return;
3999 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
4000 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL,
4001 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID, 0);
4002 if (sdev) {
4003 scsi_device_put(sdev);
4004 continue;
4005 }
4006 printk(MYIOC_s_INFO_FMT "attaching raid volume, channel %d, "
4007 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL,
4008 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID);
4009 scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL,
4010 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID, 0);
4011 }
4012 }
4013
4014
4015 static void
4016 mptsas_handle_queue_full_event(struct fw_event_work *fw_event)
4017 {
4018 MPT_ADAPTER *ioc;
4019 EventDataQueueFull_t *qfull_data;
4020 struct mptsas_device_info *sas_info;
4021 struct scsi_device *sdev;
4022 int depth;
4023 int id = -1;
4024 int channel = -1;
4025 int fw_id, fw_channel;
4026 u16 current_depth;
4027
4028
4029 ioc = fw_event->ioc;
4030 qfull_data = (EventDataQueueFull_t *)fw_event->event_data;
4031 fw_id = qfull_data->TargetID;
4032 fw_channel = qfull_data->Bus;
4033 current_depth = le16_to_cpu(qfull_data->CurrentDepth);
4034
4035 /* if hidden raid component, look for the volume id */
4036 mutex_lock(&ioc->sas_device_info_mutex);
4037 if (mptscsih_is_phys_disk(ioc, fw_channel, fw_id)) {
4038 list_for_each_entry(sas_info, &ioc->sas_device_info_list,
4039 list) {
4040 if (sas_info->is_cached ||
4041 sas_info->is_logical_volume)
4042 continue;
4043 if (sas_info->is_hidden_raid_component &&
4044 (sas_info->fw.channel == fw_channel &&
4045 sas_info->fw.id == fw_id)) {
4046 id = sas_info->volume_id;
4047 channel = MPTSAS_RAID_CHANNEL;
4048 goto out;
4049 }
4050 }
4051 } else {
4052 list_for_each_entry(sas_info, &ioc->sas_device_info_list,
4053 list) {
4054 if (sas_info->is_cached ||
4055 sas_info->is_hidden_raid_component ||
4056 sas_info->is_logical_volume)
4057 continue;
4058 if (sas_info->fw.channel == fw_channel &&
4059 sas_info->fw.id == fw_id) {
4060 id = sas_info->os.id;
4061 channel = sas_info->os.channel;
4062 goto out;
4063 }
4064 }
4065
4066 }
4067
4068 out:
4069 mutex_unlock(&ioc->sas_device_info_mutex);
4070
4071 if (id != -1) {
4072 shost_for_each_device(sdev, ioc->sh) {
4073 if (sdev->id == id && sdev->channel == channel) {
4074 if (current_depth > sdev->queue_depth) {
4075 sdev_printk(KERN_INFO, sdev,
4076 "strange observation, the queue "
4077 "depth is (%d) meanwhile fw queue "
4078 "depth (%d)\n", sdev->queue_depth,
4079 current_depth);
4080 continue;
4081 }
4082 depth = scsi_track_queue_full(sdev,
4083 current_depth - 1);
4084 if (depth > 0)
4085 sdev_printk(KERN_INFO, sdev,
4086 "Queue depth reduced to (%d)\n",
4087 depth);
4088 else if (depth < 0)
4089 sdev_printk(KERN_INFO, sdev,
4090 "Tagged Command Queueing is being "
4091 "disabled\n");
4092 else if (depth == 0)
4093 sdev_printk(KERN_INFO, sdev,
4094 "Queue depth not changed yet\n");
4095 }
4096 }
4097 }
4098
4099 mptsas_free_fw_event(ioc, fw_event);
4100 }
4101
4102
4103 static struct mptsas_phyinfo *
4104 mptsas_find_phyinfo_by_sas_address(MPT_ADAPTER *ioc, u64 sas_address)
4105 {
4106 struct mptsas_portinfo *port_info;
4107 struct mptsas_phyinfo *phy_info = NULL;
4108 int i;
4109
4110 mutex_lock(&ioc->sas_topology_mutex);
4111 list_for_each_entry(port_info, &ioc->sas_topology, list) {
4112 for (i = 0; i < port_info->num_phys; i++) {
4113 if (!mptsas_is_end_device(
4114 &port_info->phy_info[i].attached))
4115 continue;
4116 if (port_info->phy_info[i].attached.sas_address
4117 != sas_address)
4118 continue;
4119 phy_info = &port_info->phy_info[i];
4120 break;
4121 }
4122 }
4123 mutex_unlock(&ioc->sas_topology_mutex);
4124 return phy_info;
4125 }
4126
4127 /**
4128 * mptsas_find_phyinfo_by_phys_disk_num -
4129 * @ioc: Pointer to MPT_ADAPTER structure
4130 * @phys_disk_num:
4131 * @channel:
4132 * @id:
4133 *
4134 **/
4135 static struct mptsas_phyinfo *
4136 mptsas_find_phyinfo_by_phys_disk_num(MPT_ADAPTER *ioc, u8 phys_disk_num,
4137 u8 channel, u8 id)
4138 {
4139 struct mptsas_phyinfo *phy_info = NULL;
4140 struct mptsas_portinfo *port_info;
4141 RaidPhysDiskPage1_t *phys_disk = NULL;
4142 int num_paths;
4143 u64 sas_address = 0;
4144 int i;
4145
4146 phy_info = NULL;
4147 if (!ioc->raid_data.pIocPg3)
4148 return NULL;
4149 /* dual port support */
4150 num_paths = mpt_raid_phys_disk_get_num_paths(ioc, phys_disk_num);
4151 if (!num_paths)
4152 goto out;
4153 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
4154 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
4155 if (!phys_disk)
4156 goto out;
4157 mpt_raid_phys_disk_pg1(ioc, phys_disk_num, phys_disk);
4158 for (i = 0; i < num_paths; i++) {
4159 if ((phys_disk->Path[i].Flags & 1) != 0)
4160 /* entry no longer valid */
4161 continue;
4162 if ((id == phys_disk->Path[i].PhysDiskID) &&
4163 (channel == phys_disk->Path[i].PhysDiskBus)) {
4164 memcpy(&sas_address, &phys_disk->Path[i].WWID,
4165 sizeof(u64));
4166 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4167 sas_address);
4168 goto out;
4169 }
4170 }
4171
4172 out:
4173 kfree(phys_disk);
4174 if (phy_info)
4175 return phy_info;
4176
4177 /*
4178 * Extra code to handle RAID0 case, where the sas_address is not updated
4179 * in phys_disk_page_1 when hotswapped
4180 */
4181 mutex_lock(&ioc->sas_topology_mutex);
4182 list_for_each_entry(port_info, &ioc->sas_topology, list) {
4183 for (i = 0; i < port_info->num_phys && !phy_info; i++) {
4184 if (!mptsas_is_end_device(
4185 &port_info->phy_info[i].attached))
4186 continue;
4187 if (port_info->phy_info[i].attached.phys_disk_num == ~0)
4188 continue;
4189 if ((port_info->phy_info[i].attached.phys_disk_num ==
4190 phys_disk_num) &&
4191 (port_info->phy_info[i].attached.id == id) &&
4192 (port_info->phy_info[i].attached.channel ==
4193 channel))
4194 phy_info = &port_info->phy_info[i];
4195 }
4196 }
4197 mutex_unlock(&ioc->sas_topology_mutex);
4198 return phy_info;
4199 }
4200
4201 static void
4202 mptsas_reprobe_lun(struct scsi_device *sdev, void *data)
4203 {
4204 int rc;
4205
4206 sdev->no_uld_attach = data ? 1 : 0;
4207 rc = scsi_device_reprobe(sdev);
4208 }
4209
4210 static void
4211 mptsas_reprobe_target(struct scsi_target *starget, int uld_attach)
4212 {
4213 starget_for_each_device(starget, uld_attach ? (void *)1 : NULL,
4214 mptsas_reprobe_lun);
4215 }
4216
4217 static void
4218 mptsas_adding_inactive_raid_components(MPT_ADAPTER *ioc, u8 channel, u8 id)
4219 {
4220 CONFIGPARMS cfg;
4221 ConfigPageHeader_t hdr;
4222 dma_addr_t dma_handle;
4223 pRaidVolumePage0_t buffer = NULL;
4224 RaidPhysDiskPage0_t phys_disk;
4225 int i;
4226 struct mptsas_phyinfo *phy_info;
4227 struct mptsas_devinfo sas_device;
4228
4229 memset(&cfg, 0 , sizeof(CONFIGPARMS));
4230 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
4231 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME;
4232 cfg.pageAddr = (channel << 8) + id;
4233 cfg.cfghdr.hdr = &hdr;
4234 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
4235 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
4236
4237 if (mpt_config(ioc, &cfg) != 0)
4238 goto out;
4239
4240 if (!hdr.PageLength)
4241 goto out;
4242
4243 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
4244 &dma_handle);
4245
4246 if (!buffer)
4247 goto out;
4248
4249 cfg.physAddr = dma_handle;
4250 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
4251
4252 if (mpt_config(ioc, &cfg) != 0)
4253 goto out;
4254
4255 if (!(buffer->VolumeStatus.Flags &
4256 MPI_RAIDVOL0_STATUS_FLAG_VOLUME_INACTIVE))
4257 goto out;
4258
4259 if (!buffer->NumPhysDisks)
4260 goto out;
4261
4262 for (i = 0; i < buffer->NumPhysDisks; i++) {
4263
4264 if (mpt_raid_phys_disk_pg0(ioc,
4265 buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0)
4266 continue;
4267
4268 if (mptsas_sas_device_pg0(ioc, &sas_device,
4269 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4270 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4271 (phys_disk.PhysDiskBus << 8) +
4272 phys_disk.PhysDiskID))
4273 continue;
4274
4275 /* If there is no FW B_T mapping for this device then continue
4276 * */
4277 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4278 || !(sas_device.flags &
4279 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4280 continue;
4281
4282
4283 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4284 sas_device.sas_address);
4285 mptsas_add_end_device(ioc, phy_info);
4286 }
4287
4288 out:
4289 if (buffer)
4290 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
4291 dma_handle);
4292 }
4293 /*
4294 * Work queue thread to handle SAS hotplug events
4295 */
4296 static void
4297 mptsas_hotplug_work(MPT_ADAPTER *ioc, struct fw_event_work *fw_event,
4298 struct mptsas_hotplug_event *hot_plug_info)
4299 {
4300 struct mptsas_phyinfo *phy_info;
4301 struct scsi_target * starget;
4302 struct mptsas_devinfo sas_device;
4303 VirtTarget *vtarget;
4304 int i;
4305 struct mptsas_portinfo *port_info;
4306
4307 switch (hot_plug_info->event_type) {
4308
4309 case MPTSAS_ADD_PHYSDISK:
4310
4311 if (!ioc->raid_data.pIocPg2)
4312 break;
4313
4314 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
4315 if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID ==
4316 hot_plug_info->id) {
4317 printk(MYIOC_s_WARN_FMT "firmware bug: unable "
4318 "to add hidden disk - target_id matchs "
4319 "volume_id\n", ioc->name);
4320 mptsas_free_fw_event(ioc, fw_event);
4321 return;
4322 }
4323 }
4324 mpt_findImVolumes(ioc);
4325
4326 case MPTSAS_ADD_DEVICE:
4327 memset(&sas_device, 0, sizeof(struct mptsas_devinfo));
4328 mptsas_sas_device_pg0(ioc, &sas_device,
4329 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4330 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4331 (hot_plug_info->channel << 8) +
4332 hot_plug_info->id);
4333
4334 /* If there is no FW B_T mapping for this device then break
4335 * */
4336 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4337 || !(sas_device.flags &
4338 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4339 break;
4340
4341 if (!sas_device.handle)
4342 return;
4343
4344 phy_info = mptsas_refreshing_device_handles(ioc, &sas_device);
4345 /* Only For SATA Device ADD */
4346 if (!phy_info && (sas_device.device_info &
4347 MPI_SAS_DEVICE_INFO_SATA_DEVICE)) {
4348 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4349 "%s %d SATA HOT PLUG: "
4350 "parent handle of device %x\n", ioc->name,
4351 __func__, __LINE__, sas_device.handle_parent));
4352 port_info = mptsas_find_portinfo_by_handle(ioc,
4353 sas_device.handle_parent);
4354
4355 if (port_info == ioc->hba_port_info)
4356 mptsas_probe_hba_phys(ioc);
4357 else if (port_info)
4358 mptsas_expander_refresh(ioc, port_info);
4359 else {
4360 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4361 "%s %d port info is NULL\n",
4362 ioc->name, __func__, __LINE__));
4363 break;
4364 }
4365 phy_info = mptsas_refreshing_device_handles
4366 (ioc, &sas_device);
4367 }
4368
4369 if (!phy_info) {
4370 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4371 "%s %d phy info is NULL\n",
4372 ioc->name, __func__, __LINE__));
4373 break;
4374 }
4375
4376 if (mptsas_get_rphy(phy_info))
4377 break;
4378
4379 mptsas_add_end_device(ioc, phy_info);
4380 break;
4381
4382 case MPTSAS_DEL_DEVICE:
4383 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4384 hot_plug_info->sas_address);
4385 mptsas_del_end_device(ioc, phy_info);
4386 break;
4387
4388 case MPTSAS_DEL_PHYSDISK:
4389
4390 mpt_findImVolumes(ioc);
4391
4392 phy_info = mptsas_find_phyinfo_by_phys_disk_num(
4393 ioc, hot_plug_info->phys_disk_num,
4394 hot_plug_info->channel,
4395 hot_plug_info->id);
4396 mptsas_del_end_device(ioc, phy_info);
4397 break;
4398
4399 case MPTSAS_ADD_PHYSDISK_REPROBE:
4400
4401 if (mptsas_sas_device_pg0(ioc, &sas_device,
4402 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4403 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4404 (hot_plug_info->channel << 8) + hot_plug_info->id)) {
4405 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4406 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4407 __func__, hot_plug_info->id, __LINE__));
4408 break;
4409 }
4410
4411 /* If there is no FW B_T mapping for this device then break
4412 * */
4413 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4414 || !(sas_device.flags &
4415 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4416 break;
4417
4418 phy_info = mptsas_find_phyinfo_by_sas_address(
4419 ioc, sas_device.sas_address);
4420
4421 if (!phy_info) {
4422 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4423 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4424 __func__, hot_plug_info->id, __LINE__));
4425 break;
4426 }
4427
4428 starget = mptsas_get_starget(phy_info);
4429 if (!starget) {
4430 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4431 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4432 __func__, hot_plug_info->id, __LINE__));
4433 break;
4434 }
4435
4436 vtarget = starget->hostdata;
4437 if (!vtarget) {
4438 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4439 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4440 __func__, hot_plug_info->id, __LINE__));
4441 break;
4442 }
4443
4444 mpt_findImVolumes(ioc);
4445
4446 starget_printk(KERN_INFO, starget, MYIOC_s_FMT "RAID Hidding: "
4447 "fw_channel=%d, fw_id=%d, physdsk %d, sas_addr 0x%llx\n",
4448 ioc->name, hot_plug_info->channel, hot_plug_info->id,
4449 hot_plug_info->phys_disk_num, (unsigned long long)
4450 sas_device.sas_address);
4451
4452 vtarget->id = hot_plug_info->phys_disk_num;
4453 vtarget->tflags |= MPT_TARGET_FLAGS_RAID_COMPONENT;
4454 phy_info->attached.phys_disk_num = hot_plug_info->phys_disk_num;
4455 mptsas_reprobe_target(starget, 1);
4456 break;
4457
4458 case MPTSAS_DEL_PHYSDISK_REPROBE:
4459
4460 if (mptsas_sas_device_pg0(ioc, &sas_device,
4461 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4462 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4463 (hot_plug_info->channel << 8) + hot_plug_info->id)) {
4464 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4465 "%s: fw_id=%d exit at line=%d\n",
4466 ioc->name, __func__,
4467 hot_plug_info->id, __LINE__));
4468 break;
4469 }
4470
4471 /* If there is no FW B_T mapping for this device then break
4472 * */
4473 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4474 || !(sas_device.flags &
4475 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4476 break;
4477
4478 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4479 sas_device.sas_address);
4480 if (!phy_info) {
4481 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4482 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4483 __func__, hot_plug_info->id, __LINE__));
4484 break;
4485 }
4486
4487 starget = mptsas_get_starget(phy_info);
4488 if (!starget) {
4489 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4490 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4491 __func__, hot_plug_info->id, __LINE__));
4492 break;
4493 }
4494
4495 vtarget = starget->hostdata;
4496 if (!vtarget) {
4497 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4498 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4499 __func__, hot_plug_info->id, __LINE__));
4500 break;
4501 }
4502
4503 if (!(vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)) {
4504 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4505 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4506 __func__, hot_plug_info->id, __LINE__));
4507 break;
4508 }
4509
4510 mpt_findImVolumes(ioc);
4511
4512 starget_printk(KERN_INFO, starget, MYIOC_s_FMT "RAID Exposing:"
4513 " fw_channel=%d, fw_id=%d, physdsk %d, sas_addr 0x%llx\n",
4514 ioc->name, hot_plug_info->channel, hot_plug_info->id,
4515 hot_plug_info->phys_disk_num, (unsigned long long)
4516 sas_device.sas_address);
4517
4518 vtarget->tflags &= ~MPT_TARGET_FLAGS_RAID_COMPONENT;
4519 vtarget->id = hot_plug_info->id;
4520 phy_info->attached.phys_disk_num = ~0;
4521 mptsas_reprobe_target(starget, 0);
4522 mptsas_add_device_component_by_fw(ioc,
4523 hot_plug_info->channel, hot_plug_info->id);
4524 break;
4525
4526 case MPTSAS_ADD_RAID:
4527
4528 mpt_findImVolumes(ioc);
4529 printk(MYIOC_s_INFO_FMT "attaching raid volume, channel %d, "
4530 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL,
4531 hot_plug_info->id);
4532 scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL,
4533 hot_plug_info->id, 0);
4534 break;
4535
4536 case MPTSAS_DEL_RAID:
4537
4538 mpt_findImVolumes(ioc);
4539 printk(MYIOC_s_INFO_FMT "removing raid volume, channel %d, "
4540 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL,
4541 hot_plug_info->id);
4542 scsi_remove_device(hot_plug_info->sdev);
4543 scsi_device_put(hot_plug_info->sdev);
4544 break;
4545
4546 case MPTSAS_ADD_INACTIVE_VOLUME:
4547
4548 mpt_findImVolumes(ioc);
4549 mptsas_adding_inactive_raid_components(ioc,
4550 hot_plug_info->channel, hot_plug_info->id);
4551 break;
4552
4553 default:
4554 break;
4555 }
4556
4557 mptsas_free_fw_event(ioc, fw_event);
4558 }
4559
4560 static void
4561 mptsas_send_sas_event(struct fw_event_work *fw_event)
4562 {
4563 MPT_ADAPTER *ioc;
4564 struct mptsas_hotplug_event hot_plug_info;
4565 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data;
4566 u32 device_info;
4567 u64 sas_address;
4568
4569 ioc = fw_event->ioc;
4570 sas_event_data = (EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *)
4571 fw_event->event_data;
4572 device_info = le32_to_cpu(sas_event_data->DeviceInfo);
4573
4574 if ((device_info &
4575 (MPI_SAS_DEVICE_INFO_SSP_TARGET |
4576 MPI_SAS_DEVICE_INFO_STP_TARGET |
4577 MPI_SAS_DEVICE_INFO_SATA_DEVICE)) == 0) {
4578 mptsas_free_fw_event(ioc, fw_event);
4579 return;
4580 }
4581
4582 if (sas_event_data->ReasonCode ==
4583 MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED) {
4584 mptbase_sas_persist_operation(ioc,
4585 MPI_SAS_OP_CLEAR_NOT_PRESENT);
4586 mptsas_free_fw_event(ioc, fw_event);
4587 return;
4588 }
4589
4590 switch (sas_event_data->ReasonCode) {
4591 case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING:
4592 case MPI_EVENT_SAS_DEV_STAT_RC_ADDED:
4593 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
4594 hot_plug_info.handle = le16_to_cpu(sas_event_data->DevHandle);
4595 hot_plug_info.channel = sas_event_data->Bus;
4596 hot_plug_info.id = sas_event_data->TargetID;
4597 hot_plug_info.phy_id = sas_event_data->PhyNum;
4598 memcpy(&sas_address, &sas_event_data->SASAddress,
4599 sizeof(u64));
4600 hot_plug_info.sas_address = le64_to_cpu(sas_address);
4601 hot_plug_info.device_info = device_info;
4602 if (sas_event_data->ReasonCode &
4603 MPI_EVENT_SAS_DEV_STAT_RC_ADDED)
4604 hot_plug_info.event_type = MPTSAS_ADD_DEVICE;
4605 else
4606 hot_plug_info.event_type = MPTSAS_DEL_DEVICE;
4607 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
4608 break;
4609
4610 case MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED:
4611 mptbase_sas_persist_operation(ioc,
4612 MPI_SAS_OP_CLEAR_NOT_PRESENT);
4613 mptsas_free_fw_event(ioc, fw_event);
4614 break;
4615
4616 case MPI_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
4617 /* TODO */
4618 case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
4619 /* TODO */
4620 default:
4621 mptsas_free_fw_event(ioc, fw_event);
4622 break;
4623 }
4624 }
4625
4626 static void
4627 mptsas_send_raid_event(struct fw_event_work *fw_event)
4628 {
4629 MPT_ADAPTER *ioc;
4630 EVENT_DATA_RAID *raid_event_data;
4631 struct mptsas_hotplug_event hot_plug_info;
4632 int status;
4633 int state;
4634 struct scsi_device *sdev = NULL;
4635 VirtDevice *vdevice = NULL;
4636 RaidPhysDiskPage0_t phys_disk;
4637
4638 ioc = fw_event->ioc;
4639 raid_event_data = (EVENT_DATA_RAID *)fw_event->event_data;
4640 status = le32_to_cpu(raid_event_data->SettingsStatus);
4641 state = (status >> 8) & 0xff;
4642
4643 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
4644 hot_plug_info.id = raid_event_data->VolumeID;
4645 hot_plug_info.channel = raid_event_data->VolumeBus;
4646 hot_plug_info.phys_disk_num = raid_event_data->PhysDiskNum;
4647
4648 if (raid_event_data->ReasonCode == MPI_EVENT_RAID_RC_VOLUME_DELETED ||
4649 raid_event_data->ReasonCode == MPI_EVENT_RAID_RC_VOLUME_CREATED ||
4650 raid_event_data->ReasonCode ==
4651 MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED) {
4652 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL,
4653 hot_plug_info.id, 0);
4654 hot_plug_info.sdev = sdev;
4655 if (sdev)
4656 vdevice = sdev->hostdata;
4657 }
4658
4659 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Entering %s: "
4660 "ReasonCode=%02x\n", ioc->name, __func__,
4661 raid_event_data->ReasonCode));
4662
4663 switch (raid_event_data->ReasonCode) {
4664 case MPI_EVENT_RAID_RC_PHYSDISK_DELETED:
4665 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK_REPROBE;
4666 break;
4667 case MPI_EVENT_RAID_RC_PHYSDISK_CREATED:
4668 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK_REPROBE;
4669 break;
4670 case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED:
4671 switch (state) {
4672 case MPI_PD_STATE_ONLINE:
4673 case MPI_PD_STATE_NOT_COMPATIBLE:
4674 mpt_raid_phys_disk_pg0(ioc,
4675 raid_event_data->PhysDiskNum, &phys_disk);
4676 hot_plug_info.id = phys_disk.PhysDiskID;
4677 hot_plug_info.channel = phys_disk.PhysDiskBus;
4678 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK;
4679 break;
4680 case MPI_PD_STATE_FAILED:
4681 case MPI_PD_STATE_MISSING:
4682 case MPI_PD_STATE_OFFLINE_AT_HOST_REQUEST:
4683 case MPI_PD_STATE_FAILED_AT_HOST_REQUEST:
4684 case MPI_PD_STATE_OFFLINE_FOR_ANOTHER_REASON:
4685 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK;
4686 break;
4687 default:
4688 break;
4689 }
4690 break;
4691 case MPI_EVENT_RAID_RC_VOLUME_DELETED:
4692 if (!sdev)
4693 break;
4694 vdevice->vtarget->deleted = 1; /* block IO */
4695 hot_plug_info.event_type = MPTSAS_DEL_RAID;
4696 break;
4697 case MPI_EVENT_RAID_RC_VOLUME_CREATED:
4698 if (sdev) {
4699 scsi_device_put(sdev);
4700 break;
4701 }
4702 hot_plug_info.event_type = MPTSAS_ADD_RAID;
4703 break;
4704 case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED:
4705 if (!(status & MPI_RAIDVOL0_STATUS_FLAG_ENABLED)) {
4706 if (!sdev)
4707 break;
4708 vdevice->vtarget->deleted = 1; /* block IO */
4709 hot_plug_info.event_type = MPTSAS_DEL_RAID;
4710 break;
4711 }
4712 switch (state) {
4713 case MPI_RAIDVOL0_STATUS_STATE_FAILED:
4714 case MPI_RAIDVOL0_STATUS_STATE_MISSING:
4715 if (!sdev)
4716 break;
4717 vdevice->vtarget->deleted = 1; /* block IO */
4718 hot_plug_info.event_type = MPTSAS_DEL_RAID;
4719 break;
4720 case MPI_RAIDVOL0_STATUS_STATE_OPTIMAL:
4721 case MPI_RAIDVOL0_STATUS_STATE_DEGRADED:
4722 if (sdev) {
4723 scsi_device_put(sdev);
4724 break;
4725 }
4726 hot_plug_info.event_type = MPTSAS_ADD_RAID;
4727 break;
4728 default:
4729 break;
4730 }
4731 break;
4732 default:
4733 break;
4734 }
4735
4736 if (hot_plug_info.event_type != MPTSAS_IGNORE_EVENT)
4737 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
4738 else
4739 mptsas_free_fw_event(ioc, fw_event);
4740 }
4741
4742 /**
4743 * mptsas_issue_tm - send mptsas internal tm request
4744 * @ioc: Pointer to MPT_ADAPTER structure
4745 * @type: Task Management type
4746 * @channel: channel number for task management
4747 * @id: Logical Target ID for reset (if appropriate)
4748 * @lun: Logical unit for reset (if appropriate)
4749 * @task_context: Context for the task to be aborted
4750 * @timeout: timeout for task management control
4751 *
4752 * return 0 on success and -1 on failure:
4753 *
4754 */
4755 static int
4756 mptsas_issue_tm(MPT_ADAPTER *ioc, u8 type, u8 channel, u8 id, u64 lun,
4757 int task_context, ulong timeout, u8 *issue_reset)
4758 {
4759 MPT_FRAME_HDR *mf;
4760 SCSITaskMgmt_t *pScsiTm;
4761 int retval;
4762 unsigned long timeleft;
4763
4764 *issue_reset = 0;
4765 mf = mpt_get_msg_frame(mptsasDeviceResetCtx, ioc);
4766 if (mf == NULL) {
4767 retval = -1; /* return failure */
4768 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT "TaskMgmt request: no "
4769 "msg frames!!\n", ioc->name));
4770 goto out;
4771 }
4772
4773 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request: mr = %p, "
4774 "task_type = 0x%02X,\n\t timeout = %ld, fw_channel = %d, "
4775 "fw_id = %d, lun = %lld,\n\t task_context = 0x%x\n", ioc->name, mf,
4776 type, timeout, channel, id, (unsigned long long)lun,
4777 task_context));
4778
4779 pScsiTm = (SCSITaskMgmt_t *) mf;
4780 memset(pScsiTm, 0, sizeof(SCSITaskMgmt_t));
4781 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
4782 pScsiTm->TaskType = type;
4783 pScsiTm->MsgFlags = 0;
4784 pScsiTm->TargetID = id;
4785 pScsiTm->Bus = channel;
4786 pScsiTm->ChainOffset = 0;
4787 pScsiTm->Reserved = 0;
4788 pScsiTm->Reserved1 = 0;
4789 pScsiTm->TaskMsgContext = task_context;
4790 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
4791
4792 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
4793 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
4794 retval = 0;
4795 mpt_put_msg_frame_hi_pri(mptsasDeviceResetCtx, ioc, mf);
4796
4797 /* Now wait for the command to complete */
4798 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
4799 timeout*HZ);
4800 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
4801 retval = -1; /* return failure */
4802 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
4803 "TaskMgmt request: TIMED OUT!(mr=%p)\n", ioc->name, mf));
4804 mpt_free_msg_frame(ioc, mf);
4805 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
4806 goto out;
4807 *issue_reset = 1;
4808 goto out;
4809 }
4810
4811 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
4812 retval = -1; /* return failure */
4813 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4814 "TaskMgmt request: failed with no reply\n", ioc->name));
4815 goto out;
4816 }
4817
4818 out:
4819 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
4820 return retval;
4821 }
4822
4823 /**
4824 * mptsas_broadcast_primative_work - Handle broadcast primitives
4825 * @work: work queue payload containing info describing the event
4826 *
4827 * this will be handled in workqueue context.
4828 */
4829 static void
4830 mptsas_broadcast_primative_work(struct fw_event_work *fw_event)
4831 {
4832 MPT_ADAPTER *ioc = fw_event->ioc;
4833 MPT_FRAME_HDR *mf;
4834 VirtDevice *vdevice;
4835 int ii;
4836 struct scsi_cmnd *sc;
4837 SCSITaskMgmtReply_t *pScsiTmReply;
4838 u8 issue_reset;
4839 int task_context;
4840 u8 channel, id;
4841 int lun;
4842 u32 termination_count;
4843 u32 query_count;
4844
4845 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4846 "%s - enter\n", ioc->name, __func__));
4847
4848 mutex_lock(&ioc->taskmgmt_cmds.mutex);
4849 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
4850 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
4851 mptsas_requeue_fw_event(ioc, fw_event, 1000);
4852 return;
4853 }
4854
4855 issue_reset = 0;
4856 termination_count = 0;
4857 query_count = 0;
4858 mpt_findImVolumes(ioc);
4859 pScsiTmReply = (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply;
4860
4861 for (ii = 0; ii < ioc->req_depth; ii++) {
4862 if (ioc->fw_events_off)
4863 goto out;
4864 sc = mptscsih_get_scsi_lookup(ioc, ii);
4865 if (!sc)
4866 continue;
4867 mf = MPT_INDEX_2_MFPTR(ioc, ii);
4868 if (!mf)
4869 continue;
4870 task_context = mf->u.frame.hwhdr.msgctxu.MsgContext;
4871 vdevice = sc->device->hostdata;
4872 if (!vdevice || !vdevice->vtarget)
4873 continue;
4874 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
4875 continue; /* skip hidden raid components */
4876 if (vdevice->vtarget->raidVolume)
4877 continue; /* skip hidden raid components */
4878 channel = vdevice->vtarget->channel;
4879 id = vdevice->vtarget->id;
4880 lun = vdevice->lun;
4881 if (mptsas_issue_tm(ioc, MPI_SCSITASKMGMT_TASKTYPE_QUERY_TASK,
4882 channel, id, (u64)lun, task_context, 30, &issue_reset))
4883 goto out;
4884 query_count++;
4885 termination_count +=
4886 le32_to_cpu(pScsiTmReply->TerminationCount);
4887 if ((pScsiTmReply->IOCStatus == MPI_IOCSTATUS_SUCCESS) &&
4888 (pScsiTmReply->ResponseCode ==
4889 MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED ||
4890 pScsiTmReply->ResponseCode ==
4891 MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC))
4892 continue;
4893 if (mptsas_issue_tm(ioc,
4894 MPI_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET,
4895 channel, id, (u64)lun, 0, 30, &issue_reset))
4896 goto out;
4897 termination_count +=
4898 le32_to_cpu(pScsiTmReply->TerminationCount);
4899 }
4900
4901 out:
4902 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4903 "%s - exit, query_count = %d termination_count = %d\n",
4904 ioc->name, __func__, query_count, termination_count));
4905
4906 ioc->broadcast_aen_busy = 0;
4907 mpt_clear_taskmgmt_in_progress_flag(ioc);
4908 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
4909
4910 if (issue_reset) {
4911 printk(MYIOC_s_WARN_FMT
4912 "Issuing Reset from %s!! doorbell=0x%08x\n",
4913 ioc->name, __func__, mpt_GetIocState(ioc, 0));
4914 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
4915 }
4916 mptsas_free_fw_event(ioc, fw_event);
4917 }
4918
4919 /*
4920 * mptsas_send_ir2_event - handle exposing hidden disk when
4921 * an inactive raid volume is added
4922 *
4923 * @ioc: Pointer to MPT_ADAPTER structure
4924 * @ir2_data
4925 *
4926 */
4927 static void
4928 mptsas_send_ir2_event(struct fw_event_work *fw_event)
4929 {
4930 MPT_ADAPTER *ioc;
4931 struct mptsas_hotplug_event hot_plug_info;
4932 MPI_EVENT_DATA_IR2 *ir2_data;
4933 u8 reasonCode;
4934 RaidPhysDiskPage0_t phys_disk;
4935
4936 ioc = fw_event->ioc;
4937 ir2_data = (MPI_EVENT_DATA_IR2 *)fw_event->event_data;
4938 reasonCode = ir2_data->ReasonCode;
4939
4940 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Entering %s: "
4941 "ReasonCode=%02x\n", ioc->name, __func__, reasonCode));
4942
4943 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
4944 hot_plug_info.id = ir2_data->TargetID;
4945 hot_plug_info.channel = ir2_data->Bus;
4946 switch (reasonCode) {
4947 case MPI_EVENT_IR2_RC_FOREIGN_CFG_DETECTED:
4948 hot_plug_info.event_type = MPTSAS_ADD_INACTIVE_VOLUME;
4949 break;
4950 case MPI_EVENT_IR2_RC_DUAL_PORT_REMOVED:
4951 hot_plug_info.phys_disk_num = ir2_data->PhysDiskNum;
4952 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK;
4953 break;
4954 case MPI_EVENT_IR2_RC_DUAL_PORT_ADDED:
4955 hot_plug_info.phys_disk_num = ir2_data->PhysDiskNum;
4956 mpt_raid_phys_disk_pg0(ioc,
4957 ir2_data->PhysDiskNum, &phys_disk);
4958 hot_plug_info.id = phys_disk.PhysDiskID;
4959 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK;
4960 break;
4961 default:
4962 mptsas_free_fw_event(ioc, fw_event);
4963 return;
4964 }
4965 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
4966 }
4967
4968 static int
4969 mptsas_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *reply)
4970 {
4971 u32 event = le32_to_cpu(reply->Event);
4972 int sz, event_data_sz;
4973 struct fw_event_work *fw_event;
4974 unsigned long delay;
4975
4976 if (ioc->bus_type != SAS)
4977 return 0;
4978
4979 /* events turned off due to host reset or driver unloading */
4980 if (ioc->fw_events_off)
4981 return 0;
4982
4983 delay = msecs_to_jiffies(1);
4984 switch (event) {
4985 case MPI_EVENT_SAS_BROADCAST_PRIMITIVE:
4986 {
4987 EVENT_DATA_SAS_BROADCAST_PRIMITIVE *broadcast_event_data =
4988 (EVENT_DATA_SAS_BROADCAST_PRIMITIVE *)reply->Data;
4989 if (broadcast_event_data->Primitive !=
4990 MPI_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT)
4991 return 0;
4992 if (ioc->broadcast_aen_busy)
4993 return 0;
4994 ioc->broadcast_aen_busy = 1;
4995 break;
4996 }
4997 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
4998 {
4999 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data =
5000 (EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *)reply->Data;
5001 u16 ioc_stat;
5002 ioc_stat = le16_to_cpu(reply->IOCStatus);
5003
5004 if (sas_event_data->ReasonCode ==
5005 MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING) {
5006 mptsas_target_reset_queue(ioc, sas_event_data);
5007 return 0;
5008 }
5009 if (sas_event_data->ReasonCode ==
5010 MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET &&
5011 ioc->device_missing_delay &&
5012 (ioc_stat & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)) {
5013 VirtTarget *vtarget = NULL;
5014 u8 id, channel;
5015
5016 id = sas_event_data->TargetID;
5017 channel = sas_event_data->Bus;
5018
5019 vtarget = mptsas_find_vtarget(ioc, channel, id);
5020 if (vtarget) {
5021 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5022 "LogInfo (0x%x) available for "
5023 "INTERNAL_DEVICE_RESET"
5024 "fw_id %d fw_channel %d\n", ioc->name,
5025 le32_to_cpu(reply->IOCLogInfo),
5026 id, channel));
5027 if (vtarget->raidVolume) {
5028 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5029 "Skipping Raid Volume for inDMD\n",
5030 ioc->name));
5031 } else {
5032 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5033 "Setting device flag inDMD\n",
5034 ioc->name));
5035 vtarget->inDMD = 1;
5036 }
5037
5038 }
5039
5040 }
5041
5042 break;
5043 }
5044 case MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE:
5045 {
5046 MpiEventDataSasExpanderStatusChange_t *expander_data =
5047 (MpiEventDataSasExpanderStatusChange_t *)reply->Data;
5048
5049 if (ioc->old_sas_discovery_protocal)
5050 return 0;
5051
5052 if (expander_data->ReasonCode ==
5053 MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING &&
5054 ioc->device_missing_delay)
5055 delay = HZ * ioc->device_missing_delay;
5056 break;
5057 }
5058 case MPI_EVENT_SAS_DISCOVERY:
5059 {
5060 u32 discovery_status;
5061 EventDataSasDiscovery_t *discovery_data =
5062 (EventDataSasDiscovery_t *)reply->Data;
5063
5064 discovery_status = le32_to_cpu(discovery_data->DiscoveryStatus);
5065 ioc->sas_discovery_quiesce_io = discovery_status ? 1 : 0;
5066 if (ioc->old_sas_discovery_protocal && !discovery_status)
5067 mptsas_queue_rescan(ioc);
5068 return 0;
5069 }
5070 case MPI_EVENT_INTEGRATED_RAID:
5071 case MPI_EVENT_PERSISTENT_TABLE_FULL:
5072 case MPI_EVENT_IR2:
5073 case MPI_EVENT_SAS_PHY_LINK_STATUS:
5074 case MPI_EVENT_QUEUE_FULL:
5075 break;
5076 default:
5077 return 0;
5078 }
5079
5080 event_data_sz = ((reply->MsgLength * 4) -
5081 offsetof(EventNotificationReply_t, Data));
5082 sz = offsetof(struct fw_event_work, event_data) + event_data_sz;
5083 fw_event = kzalloc(sz, GFP_ATOMIC);
5084 if (!fw_event) {
5085 printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n", ioc->name,
5086 __func__, __LINE__);
5087 return 0;
5088 }
5089 memcpy(fw_event->event_data, reply->Data, event_data_sz);
5090 fw_event->event = event;
5091 fw_event->ioc = ioc;
5092 mptsas_add_fw_event(ioc, fw_event, delay);
5093 return 0;
5094 }
5095
5096 /* Delete a volume when no longer listed in ioc pg2
5097 */
5098 static void mptsas_volume_delete(MPT_ADAPTER *ioc, u8 id)
5099 {
5100 struct scsi_device *sdev;
5101 int i;
5102
5103 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL, id, 0);
5104 if (!sdev)
5105 return;
5106 if (!ioc->raid_data.pIocPg2)
5107 goto out;
5108 if (!ioc->raid_data.pIocPg2->NumActiveVolumes)
5109 goto out;
5110 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++)
5111 if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID == id)
5112 goto release_sdev;
5113 out:
5114 printk(MYIOC_s_INFO_FMT "removing raid volume, channel %d, "
5115 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL, id);
5116 scsi_remove_device(sdev);
5117 release_sdev:
5118 scsi_device_put(sdev);
5119 }
5120
5121 static int
5122 mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
5123 {
5124 struct Scsi_Host *sh;
5125 MPT_SCSI_HOST *hd;
5126 MPT_ADAPTER *ioc;
5127 unsigned long flags;
5128 int ii;
5129 int numSGE = 0;
5130 int scale;
5131 int ioc_cap;
5132 int error=0;
5133 int r;
5134
5135 r = mpt_attach(pdev,id);
5136 if (r)
5137 return r;
5138
5139 ioc = pci_get_drvdata(pdev);
5140 mptsas_fw_event_off(ioc);
5141 ioc->DoneCtx = mptsasDoneCtx;
5142 ioc->TaskCtx = mptsasTaskCtx;
5143 ioc->InternalCtx = mptsasInternalCtx;
5144 ioc->schedule_target_reset = &mptsas_schedule_target_reset;
5145 /* Added sanity check on readiness of the MPT adapter.
5146 */
5147 if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) {
5148 printk(MYIOC_s_WARN_FMT
5149 "Skipping because it's not operational!\n",
5150 ioc->name);
5151 error = -ENODEV;
5152 goto out_mptsas_probe;
5153 }
5154
5155 if (!ioc->active) {
5156 printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n",
5157 ioc->name);
5158 error = -ENODEV;
5159 goto out_mptsas_probe;
5160 }
5161
5162 /* Sanity check - ensure at least 1 port is INITIATOR capable
5163 */
5164 ioc_cap = 0;
5165 for (ii = 0; ii < ioc->facts.NumberOfPorts; ii++) {
5166 if (ioc->pfacts[ii].ProtocolFlags &
5167 MPI_PORTFACTS_PROTOCOL_INITIATOR)
5168 ioc_cap++;
5169 }
5170
5171 if (!ioc_cap) {
5172 printk(MYIOC_s_WARN_FMT
5173 "Skipping ioc=%p because SCSI Initiator mode "
5174 "is NOT enabled!\n", ioc->name, ioc);
5175 return 0;
5176 }
5177
5178 sh = scsi_host_alloc(&mptsas_driver_template, sizeof(MPT_SCSI_HOST));
5179 if (!sh) {
5180 printk(MYIOC_s_WARN_FMT
5181 "Unable to register controller with SCSI subsystem\n",
5182 ioc->name);
5183 error = -1;
5184 goto out_mptsas_probe;
5185 }
5186
5187 spin_lock_irqsave(&ioc->FreeQlock, flags);
5188
5189 /* Attach the SCSI Host to the IOC structure
5190 */
5191 ioc->sh = sh;
5192
5193 sh->io_port = 0;
5194 sh->n_io_port = 0;
5195 sh->irq = 0;
5196
5197 /* set 16 byte cdb's */
5198 sh->max_cmd_len = 16;
5199 sh->can_queue = min_t(int, ioc->req_depth - 10, sh->can_queue);
5200 sh->max_id = -1;
5201 sh->max_lun = max_lun;
5202 sh->transportt = mptsas_transport_template;
5203
5204 /* Required entry.
5205 */
5206 sh->unique_id = ioc->id;
5207
5208 INIT_LIST_HEAD(&ioc->sas_topology);
5209 mutex_init(&ioc->sas_topology_mutex);
5210 mutex_init(&ioc->sas_discovery_mutex);
5211 mutex_init(&ioc->sas_mgmt.mutex);
5212 init_completion(&ioc->sas_mgmt.done);
5213
5214 /* Verify that we won't exceed the maximum
5215 * number of chain buffers
5216 * We can optimize: ZZ = req_sz/sizeof(SGE)
5217 * For 32bit SGE's:
5218 * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ
5219 * + (req_sz - 64)/sizeof(SGE)
5220 * A slightly different algorithm is required for
5221 * 64bit SGEs.
5222 */
5223 scale = ioc->req_sz/ioc->SGE_size;
5224 if (ioc->sg_addr_size == sizeof(u64)) {
5225 numSGE = (scale - 1) *
5226 (ioc->facts.MaxChainDepth-1) + scale +
5227 (ioc->req_sz - 60) / ioc->SGE_size;
5228 } else {
5229 numSGE = 1 + (scale - 1) *
5230 (ioc->facts.MaxChainDepth-1) + scale +
5231 (ioc->req_sz - 64) / ioc->SGE_size;
5232 }
5233
5234 if (numSGE < sh->sg_tablesize) {
5235 /* Reset this value */
5236 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5237 "Resetting sg_tablesize to %d from %d\n",
5238 ioc->name, numSGE, sh->sg_tablesize));
5239 sh->sg_tablesize = numSGE;
5240 }
5241
5242 hd = shost_priv(sh);
5243 hd->ioc = ioc;
5244
5245 /* SCSI needs scsi_cmnd lookup table!
5246 * (with size equal to req_depth*PtrSz!)
5247 */
5248 ioc->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC);
5249 if (!ioc->ScsiLookup) {
5250 error = -ENOMEM;
5251 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
5252 goto out_mptsas_probe;
5253 }
5254 spin_lock_init(&ioc->scsi_lookup_lock);
5255
5256 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n",
5257 ioc->name, ioc->ScsiLookup));
5258
5259 ioc->sas_data.ptClear = mpt_pt_clear;
5260
5261 hd->last_queue_full = 0;
5262 INIT_LIST_HEAD(&hd->target_reset_list);
5263 INIT_LIST_HEAD(&ioc->sas_device_info_list);
5264 mutex_init(&ioc->sas_device_info_mutex);
5265
5266 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
5267
5268 if (ioc->sas_data.ptClear==1) {
5269 mptbase_sas_persist_operation(
5270 ioc, MPI_SAS_OP_CLEAR_ALL_PERSISTENT);
5271 }
5272
5273 error = scsi_add_host(sh, &ioc->pcidev->dev);
5274 if (error) {
5275 dprintk(ioc, printk(MYIOC_s_ERR_FMT
5276 "scsi_add_host failed\n", ioc->name));
5277 goto out_mptsas_probe;
5278 }
5279
5280 /* older firmware doesn't support expander events */
5281 if ((ioc->facts.HeaderVersion >> 8) < 0xE)
5282 ioc->old_sas_discovery_protocal = 1;
5283 mptsas_scan_sas_topology(ioc);
5284 mptsas_fw_event_on(ioc);
5285 return 0;
5286
5287 out_mptsas_probe:
5288
5289 mptscsih_remove(pdev);
5290 return error;
5291 }
5292
5293 void
5294 mptsas_shutdown(struct pci_dev *pdev)
5295 {
5296 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
5297
5298 mptsas_fw_event_off(ioc);
5299 mptsas_cleanup_fw_event_q(ioc);
5300 }
5301
5302 static void __devexit mptsas_remove(struct pci_dev *pdev)
5303 {
5304 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
5305 struct mptsas_portinfo *p, *n;
5306 int i;
5307
5308 if (!ioc->sh) {
5309 printk(MYIOC_s_INFO_FMT "IOC is in Target mode\n", ioc->name);
5310 mpt_detach(pdev);
5311 return;
5312 }
5313
5314 mptsas_shutdown(pdev);
5315
5316 mptsas_del_device_components(ioc);
5317
5318 ioc->sas_discovery_ignore_events = 1;
5319 sas_remove_host(ioc->sh);
5320
5321 mutex_lock(&ioc->sas_topology_mutex);
5322 list_for_each_entry_safe(p, n, &ioc->sas_topology, list) {
5323 list_del(&p->list);
5324 for (i = 0 ; i < p->num_phys ; i++)
5325 mptsas_port_delete(ioc, p->phy_info[i].port_details);
5326
5327 kfree(p->phy_info);
5328 kfree(p);
5329 }
5330 mutex_unlock(&ioc->sas_topology_mutex);
5331 ioc->hba_port_info = NULL;
5332 mptscsih_remove(pdev);
5333 }
5334
5335 static struct pci_device_id mptsas_pci_table[] = {
5336 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1064,
5337 PCI_ANY_ID, PCI_ANY_ID },
5338 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068,
5339 PCI_ANY_ID, PCI_ANY_ID },
5340 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1064E,
5341 PCI_ANY_ID, PCI_ANY_ID },
5342 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068E,
5343 PCI_ANY_ID, PCI_ANY_ID },
5344 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1078,
5345 PCI_ANY_ID, PCI_ANY_ID },
5346 {0} /* Terminating entry */
5347 };
5348 MODULE_DEVICE_TABLE(pci, mptsas_pci_table);
5349
5350
5351 static struct pci_driver mptsas_driver = {
5352 .name = "mptsas",
5353 .id_table = mptsas_pci_table,
5354 .probe = mptsas_probe,
5355 .remove = __devexit_p(mptsas_remove),
5356 .shutdown = mptsas_shutdown,
5357 #ifdef CONFIG_PM
5358 .suspend = mptscsih_suspend,
5359 .resume = mptscsih_resume,
5360 #endif
5361 };
5362
5363 static int __init
5364 mptsas_init(void)
5365 {
5366 int error;
5367
5368 show_mptmod_ver(my_NAME, my_VERSION);
5369
5370 mptsas_transport_template =
5371 sas_attach_transport(&mptsas_transport_functions);
5372 if (!mptsas_transport_template)
5373 return -ENODEV;
5374 mptsas_transport_template->eh_timed_out = mptsas_eh_timed_out;
5375
5376 mptsasDoneCtx = mpt_register(mptscsih_io_done, MPTSAS_DRIVER,
5377 "mptscsih_io_done");
5378 mptsasTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSAS_DRIVER,
5379 "mptscsih_taskmgmt_complete");
5380 mptsasInternalCtx =
5381 mpt_register(mptscsih_scandv_complete, MPTSAS_DRIVER,
5382 "mptscsih_scandv_complete");
5383 mptsasMgmtCtx = mpt_register(mptsas_mgmt_done, MPTSAS_DRIVER,
5384 "mptsas_mgmt_done");
5385 mptsasDeviceResetCtx =
5386 mpt_register(mptsas_taskmgmt_complete, MPTSAS_DRIVER,
5387 "mptsas_taskmgmt_complete");
5388
5389 mpt_event_register(mptsasDoneCtx, mptsas_event_process);
5390 mpt_reset_register(mptsasDoneCtx, mptsas_ioc_reset);
5391
5392 error = pci_register_driver(&mptsas_driver);
5393 if (error)
5394 sas_release_transport(mptsas_transport_template);
5395
5396 return error;
5397 }
5398
5399 static void __exit
5400 mptsas_exit(void)
5401 {
5402 pci_unregister_driver(&mptsas_driver);
5403 sas_release_transport(mptsas_transport_template);
5404
5405 mpt_reset_deregister(mptsasDoneCtx);
5406 mpt_event_deregister(mptsasDoneCtx);
5407
5408 mpt_deregister(mptsasMgmtCtx);
5409 mpt_deregister(mptsasInternalCtx);
5410 mpt_deregister(mptsasTaskCtx);
5411 mpt_deregister(mptsasDoneCtx);
5412 mpt_deregister(mptsasDeviceResetCtx);
5413 }
5414
5415 module_init(mptsas_init);
5416 module_exit(mptsas_exit);
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