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 int mpt_loadtime_max_sectors = 8192;
96 module_param(mpt_loadtime_max_sectors, int, 0);
97 MODULE_PARM_DESC(mpt_loadtime_max_sectors,
98 " Maximum sector define for Host Bus Adaptor.Range 64 to 8192 default=8192");
99
100 static u8 mptsasDoneCtx = MPT_MAX_PROTOCOL_DRIVERS;
101 static u8 mptsasTaskCtx = MPT_MAX_PROTOCOL_DRIVERS;
102 static u8 mptsasInternalCtx = MPT_MAX_PROTOCOL_DRIVERS; /* Used only for internal commands */
103 static u8 mptsasMgmtCtx = MPT_MAX_PROTOCOL_DRIVERS;
104 static u8 mptsasDeviceResetCtx = MPT_MAX_PROTOCOL_DRIVERS;
105
106 static void mptsas_firmware_event_work(struct work_struct *work);
107 static void mptsas_send_sas_event(struct fw_event_work *fw_event);
108 static void mptsas_send_raid_event(struct fw_event_work *fw_event);
109 static void mptsas_send_ir2_event(struct fw_event_work *fw_event);
110 static void mptsas_parse_device_info(struct sas_identify *identify,
111 struct mptsas_devinfo *device_info);
112 static inline void mptsas_set_rphy(MPT_ADAPTER *ioc,
113 struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy);
114 static struct mptsas_phyinfo *mptsas_find_phyinfo_by_sas_address
115 (MPT_ADAPTER *ioc, u64 sas_address);
116 static int mptsas_sas_device_pg0(MPT_ADAPTER *ioc,
117 struct mptsas_devinfo *device_info, u32 form, u32 form_specific);
118 static int mptsas_sas_enclosure_pg0(MPT_ADAPTER *ioc,
119 struct mptsas_enclosure *enclosure, u32 form, u32 form_specific);
120 static int mptsas_add_end_device(MPT_ADAPTER *ioc,
121 struct mptsas_phyinfo *phy_info);
122 static void mptsas_del_end_device(MPT_ADAPTER *ioc,
123 struct mptsas_phyinfo *phy_info);
124 static void mptsas_send_link_status_event(struct fw_event_work *fw_event);
125 static struct mptsas_portinfo *mptsas_find_portinfo_by_sas_address
126 (MPT_ADAPTER *ioc, u64 sas_address);
127 static void mptsas_expander_delete(MPT_ADAPTER *ioc,
128 struct mptsas_portinfo *port_info, u8 force);
129 static void mptsas_send_expander_event(struct fw_event_work *fw_event);
130 static void mptsas_not_responding_devices(MPT_ADAPTER *ioc);
131 static void mptsas_scan_sas_topology(MPT_ADAPTER *ioc);
132 static void mptsas_broadcast_primative_work(struct fw_event_work *fw_event);
133 static void mptsas_handle_queue_full_event(struct fw_event_work *fw_event);
134 static void mptsas_volume_delete(MPT_ADAPTER *ioc, u8 id);
135 void mptsas_schedule_target_reset(void *ioc);
136
mptsas_print_phy_data(MPT_ADAPTER * ioc,MPI_SAS_IO_UNIT0_PHY_DATA * phy_data)137 static void mptsas_print_phy_data(MPT_ADAPTER *ioc,
138 MPI_SAS_IO_UNIT0_PHY_DATA *phy_data)
139 {
140 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
141 "---- IO UNIT PAGE 0 ------------\n", ioc->name));
142 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Handle=0x%X\n",
143 ioc->name, le16_to_cpu(phy_data->AttachedDeviceHandle)));
144 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Controller Handle=0x%X\n",
145 ioc->name, le16_to_cpu(phy_data->ControllerDevHandle)));
146 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Port=0x%X\n",
147 ioc->name, phy_data->Port));
148 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Port Flags=0x%X\n",
149 ioc->name, phy_data->PortFlags));
150 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PHY Flags=0x%X\n",
151 ioc->name, phy_data->PhyFlags));
152 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Negotiated Link Rate=0x%X\n",
153 ioc->name, phy_data->NegotiatedLinkRate));
154 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
155 "Controller PHY Device Info=0x%X\n", ioc->name,
156 le32_to_cpu(phy_data->ControllerPhyDeviceInfo)));
157 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DiscoveryStatus=0x%X\n\n",
158 ioc->name, le32_to_cpu(phy_data->DiscoveryStatus)));
159 }
160
mptsas_print_phy_pg0(MPT_ADAPTER * ioc,SasPhyPage0_t * pg0)161 static void mptsas_print_phy_pg0(MPT_ADAPTER *ioc, SasPhyPage0_t *pg0)
162 {
163 __le64 sas_address;
164
165 memcpy(&sas_address, &pg0->SASAddress, sizeof(__le64));
166
167 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
168 "---- SAS PHY PAGE 0 ------------\n", ioc->name));
169 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
170 "Attached Device Handle=0x%X\n", ioc->name,
171 le16_to_cpu(pg0->AttachedDevHandle)));
172 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SAS Address=0x%llX\n",
173 ioc->name, (unsigned long long)le64_to_cpu(sas_address)));
174 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
175 "Attached PHY Identifier=0x%X\n", ioc->name,
176 pg0->AttachedPhyIdentifier));
177 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Attached Device Info=0x%X\n",
178 ioc->name, le32_to_cpu(pg0->AttachedDeviceInfo)));
179 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Programmed Link Rate=0x%X\n",
180 ioc->name, pg0->ProgrammedLinkRate));
181 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Change Count=0x%X\n",
182 ioc->name, pg0->ChangeCount));
183 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PHY Info=0x%X\n\n",
184 ioc->name, le32_to_cpu(pg0->PhyInfo)));
185 }
186
mptsas_print_phy_pg1(MPT_ADAPTER * ioc,SasPhyPage1_t * pg1)187 static void mptsas_print_phy_pg1(MPT_ADAPTER *ioc, SasPhyPage1_t *pg1)
188 {
189 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
190 "---- SAS PHY PAGE 1 ------------\n", ioc->name));
191 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Invalid Dword Count=0x%x\n",
192 ioc->name, pg1->InvalidDwordCount));
193 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
194 "Running Disparity Error Count=0x%x\n", ioc->name,
195 pg1->RunningDisparityErrorCount));
196 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
197 "Loss Dword Synch Count=0x%x\n", ioc->name,
198 pg1->LossDwordSynchCount));
199 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
200 "PHY Reset Problem Count=0x%x\n\n", ioc->name,
201 pg1->PhyResetProblemCount));
202 }
203
mptsas_print_device_pg0(MPT_ADAPTER * ioc,SasDevicePage0_t * pg0)204 static void mptsas_print_device_pg0(MPT_ADAPTER *ioc, SasDevicePage0_t *pg0)
205 {
206 __le64 sas_address;
207
208 memcpy(&sas_address, &pg0->SASAddress, sizeof(__le64));
209
210 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
211 "---- SAS DEVICE PAGE 0 ---------\n", ioc->name));
212 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Handle=0x%X\n",
213 ioc->name, le16_to_cpu(pg0->DevHandle)));
214 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Parent Handle=0x%X\n",
215 ioc->name, le16_to_cpu(pg0->ParentDevHandle)));
216 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Enclosure Handle=0x%X\n",
217 ioc->name, le16_to_cpu(pg0->EnclosureHandle)));
218 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Slot=0x%X\n",
219 ioc->name, le16_to_cpu(pg0->Slot)));
220 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SAS Address=0x%llX\n",
221 ioc->name, (unsigned long long)le64_to_cpu(sas_address)));
222 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Target ID=0x%X\n",
223 ioc->name, pg0->TargetID));
224 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Bus=0x%X\n",
225 ioc->name, pg0->Bus));
226 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Parent Phy Num=0x%X\n",
227 ioc->name, pg0->PhyNum));
228 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Access Status=0x%X\n",
229 ioc->name, le16_to_cpu(pg0->AccessStatus)));
230 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Device Info=0x%X\n",
231 ioc->name, le32_to_cpu(pg0->DeviceInfo)));
232 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Flags=0x%X\n",
233 ioc->name, le16_to_cpu(pg0->Flags)));
234 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Physical Port=0x%X\n\n",
235 ioc->name, pg0->PhysicalPort));
236 }
237
mptsas_print_expander_pg1(MPT_ADAPTER * ioc,SasExpanderPage1_t * pg1)238 static void mptsas_print_expander_pg1(MPT_ADAPTER *ioc, SasExpanderPage1_t *pg1)
239 {
240 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
241 "---- SAS EXPANDER PAGE 1 ------------\n", ioc->name));
242 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Physical Port=0x%X\n",
243 ioc->name, pg1->PhysicalPort));
244 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PHY Identifier=0x%X\n",
245 ioc->name, pg1->PhyIdentifier));
246 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Negotiated Link Rate=0x%X\n",
247 ioc->name, pg1->NegotiatedLinkRate));
248 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Programmed Link Rate=0x%X\n",
249 ioc->name, pg1->ProgrammedLinkRate));
250 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hardware Link Rate=0x%X\n",
251 ioc->name, pg1->HwLinkRate));
252 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Owner Device Handle=0x%X\n",
253 ioc->name, le16_to_cpu(pg1->OwnerDevHandle)));
254 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
255 "Attached Device Handle=0x%X\n\n", ioc->name,
256 le16_to_cpu(pg1->AttachedDevHandle)));
257 }
258
259 /* inhibit sas firmware event handling */
260 static void
mptsas_fw_event_off(MPT_ADAPTER * ioc)261 mptsas_fw_event_off(MPT_ADAPTER *ioc)
262 {
263 unsigned long flags;
264
265 spin_lock_irqsave(&ioc->fw_event_lock, flags);
266 ioc->fw_events_off = 1;
267 ioc->sas_discovery_quiesce_io = 0;
268 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
269
270 }
271
272 /* enable sas firmware event handling */
273 static void
mptsas_fw_event_on(MPT_ADAPTER * ioc)274 mptsas_fw_event_on(MPT_ADAPTER *ioc)
275 {
276 unsigned long flags;
277
278 spin_lock_irqsave(&ioc->fw_event_lock, flags);
279 ioc->fw_events_off = 0;
280 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
281 }
282
283 /* queue a sas firmware event */
284 static void
mptsas_add_fw_event(MPT_ADAPTER * ioc,struct fw_event_work * fw_event,unsigned long delay)285 mptsas_add_fw_event(MPT_ADAPTER *ioc, struct fw_event_work *fw_event,
286 unsigned long delay)
287 {
288 unsigned long flags;
289
290 spin_lock_irqsave(&ioc->fw_event_lock, flags);
291 list_add_tail(&fw_event->list, &ioc->fw_event_list);
292 INIT_DELAYED_WORK(&fw_event->work, mptsas_firmware_event_work);
293 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: add (fw_event=0x%p)"
294 "on cpuid %d\n", ioc->name, __func__,
295 fw_event, smp_processor_id()));
296 queue_delayed_work_on(smp_processor_id(), ioc->fw_event_q,
297 &fw_event->work, delay);
298 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
299 }
300
301 /* requeue a sas firmware event */
302 static void
mptsas_requeue_fw_event(MPT_ADAPTER * ioc,struct fw_event_work * fw_event,unsigned long delay)303 mptsas_requeue_fw_event(MPT_ADAPTER *ioc, struct fw_event_work *fw_event,
304 unsigned long delay)
305 {
306 unsigned long flags;
307 spin_lock_irqsave(&ioc->fw_event_lock, flags);
308 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: reschedule task "
309 "(fw_event=0x%p)on cpuid %d\n", ioc->name, __func__,
310 fw_event, smp_processor_id()));
311 fw_event->retries++;
312 queue_delayed_work_on(smp_processor_id(), ioc->fw_event_q,
313 &fw_event->work, msecs_to_jiffies(delay));
314 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
315 }
316
317 /* free memory associated to a sas firmware event */
318 static void
mptsas_free_fw_event(MPT_ADAPTER * ioc,struct fw_event_work * fw_event)319 mptsas_free_fw_event(MPT_ADAPTER *ioc, struct fw_event_work *fw_event)
320 {
321 unsigned long flags;
322
323 spin_lock_irqsave(&ioc->fw_event_lock, flags);
324 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: kfree (fw_event=0x%p)\n",
325 ioc->name, __func__, fw_event));
326 list_del(&fw_event->list);
327 kfree(fw_event);
328 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
329 }
330
331 /* walk the firmware event queue, and either stop or wait for
332 * outstanding events to complete */
333 static void
mptsas_cleanup_fw_event_q(MPT_ADAPTER * ioc)334 mptsas_cleanup_fw_event_q(MPT_ADAPTER *ioc)
335 {
336 struct fw_event_work *fw_event, *next;
337 struct mptsas_target_reset_event *target_reset_list, *n;
338 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
339
340 /* flush the target_reset_list */
341 if (!list_empty(&hd->target_reset_list)) {
342 list_for_each_entry_safe(target_reset_list, n,
343 &hd->target_reset_list, list) {
344 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
345 "%s: removing target reset for id=%d\n",
346 ioc->name, __func__,
347 target_reset_list->sas_event_data.TargetID));
348 list_del(&target_reset_list->list);
349 kfree(target_reset_list);
350 }
351 }
352
353 if (list_empty(&ioc->fw_event_list) ||
354 !ioc->fw_event_q || in_interrupt())
355 return;
356
357 list_for_each_entry_safe(fw_event, next, &ioc->fw_event_list, list) {
358 if (cancel_delayed_work(&fw_event->work))
359 mptsas_free_fw_event(ioc, fw_event);
360 }
361 }
362
363
phy_to_ioc(struct sas_phy * phy)364 static inline MPT_ADAPTER *phy_to_ioc(struct sas_phy *phy)
365 {
366 struct Scsi_Host *shost = dev_to_shost(phy->dev.parent);
367 return ((MPT_SCSI_HOST *)shost->hostdata)->ioc;
368 }
369
rphy_to_ioc(struct sas_rphy * rphy)370 static inline MPT_ADAPTER *rphy_to_ioc(struct sas_rphy *rphy)
371 {
372 struct Scsi_Host *shost = dev_to_shost(rphy->dev.parent->parent);
373 return ((MPT_SCSI_HOST *)shost->hostdata)->ioc;
374 }
375
376 /*
377 * mptsas_find_portinfo_by_handle
378 *
379 * This function should be called with the sas_topology_mutex already held
380 */
381 static struct mptsas_portinfo *
mptsas_find_portinfo_by_handle(MPT_ADAPTER * ioc,u16 handle)382 mptsas_find_portinfo_by_handle(MPT_ADAPTER *ioc, u16 handle)
383 {
384 struct mptsas_portinfo *port_info, *rc=NULL;
385 int i;
386
387 list_for_each_entry(port_info, &ioc->sas_topology, list)
388 for (i = 0; i < port_info->num_phys; i++)
389 if (port_info->phy_info[i].identify.handle == handle) {
390 rc = port_info;
391 goto out;
392 }
393 out:
394 return rc;
395 }
396
397 /**
398 * mptsas_find_portinfo_by_sas_address -
399 * @ioc: Pointer to MPT_ADAPTER structure
400 * @handle:
401 *
402 * This function should be called with the sas_topology_mutex already held
403 *
404 **/
405 static struct mptsas_portinfo *
mptsas_find_portinfo_by_sas_address(MPT_ADAPTER * ioc,u64 sas_address)406 mptsas_find_portinfo_by_sas_address(MPT_ADAPTER *ioc, u64 sas_address)
407 {
408 struct mptsas_portinfo *port_info, *rc = NULL;
409 int i;
410
411 if (sas_address >= ioc->hba_port_sas_addr &&
412 sas_address < (ioc->hba_port_sas_addr +
413 ioc->hba_port_num_phy))
414 return ioc->hba_port_info;
415
416 mutex_lock(&ioc->sas_topology_mutex);
417 list_for_each_entry(port_info, &ioc->sas_topology, list)
418 for (i = 0; i < port_info->num_phys; i++)
419 if (port_info->phy_info[i].identify.sas_address ==
420 sas_address) {
421 rc = port_info;
422 goto out;
423 }
424 out:
425 mutex_unlock(&ioc->sas_topology_mutex);
426 return rc;
427 }
428
429 /*
430 * Returns true if there is a scsi end device
431 */
432 static inline int
mptsas_is_end_device(struct mptsas_devinfo * attached)433 mptsas_is_end_device(struct mptsas_devinfo * attached)
434 {
435 if ((attached->sas_address) &&
436 (attached->device_info &
437 MPI_SAS_DEVICE_INFO_END_DEVICE) &&
438 ((attached->device_info &
439 MPI_SAS_DEVICE_INFO_SSP_TARGET) |
440 (attached->device_info &
441 MPI_SAS_DEVICE_INFO_STP_TARGET) |
442 (attached->device_info &
443 MPI_SAS_DEVICE_INFO_SATA_DEVICE)))
444 return 1;
445 else
446 return 0;
447 }
448
449 /* no mutex */
450 static void
mptsas_port_delete(MPT_ADAPTER * ioc,struct mptsas_portinfo_details * port_details)451 mptsas_port_delete(MPT_ADAPTER *ioc, struct mptsas_portinfo_details * port_details)
452 {
453 struct mptsas_portinfo *port_info;
454 struct mptsas_phyinfo *phy_info;
455 u8 i;
456
457 if (!port_details)
458 return;
459
460 port_info = port_details->port_info;
461 phy_info = port_info->phy_info;
462
463 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: [%p]: num_phys=%02d "
464 "bitmask=0x%016llX\n", ioc->name, __func__, port_details,
465 port_details->num_phys, (unsigned long long)
466 port_details->phy_bitmask));
467
468 for (i = 0; i < port_info->num_phys; i++, phy_info++) {
469 if(phy_info->port_details != port_details)
470 continue;
471 memset(&phy_info->attached, 0, sizeof(struct mptsas_devinfo));
472 mptsas_set_rphy(ioc, phy_info, NULL);
473 phy_info->port_details = NULL;
474 }
475 kfree(port_details);
476 }
477
478 static inline struct sas_rphy *
mptsas_get_rphy(struct mptsas_phyinfo * phy_info)479 mptsas_get_rphy(struct mptsas_phyinfo *phy_info)
480 {
481 if (phy_info->port_details)
482 return phy_info->port_details->rphy;
483 else
484 return NULL;
485 }
486
487 static inline void
mptsas_set_rphy(MPT_ADAPTER * ioc,struct mptsas_phyinfo * phy_info,struct sas_rphy * rphy)488 mptsas_set_rphy(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy)
489 {
490 if (phy_info->port_details) {
491 phy_info->port_details->rphy = rphy;
492 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sas_rphy_add: rphy=%p\n",
493 ioc->name, rphy));
494 }
495
496 if (rphy) {
497 dsaswideprintk(ioc, dev_printk(KERN_DEBUG,
498 &rphy->dev, MYIOC_s_FMT "add:", ioc->name));
499 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "rphy=%p release=%p\n",
500 ioc->name, rphy, rphy->dev.release));
501 }
502 }
503
504 static inline struct sas_port *
mptsas_get_port(struct mptsas_phyinfo * phy_info)505 mptsas_get_port(struct mptsas_phyinfo *phy_info)
506 {
507 if (phy_info->port_details)
508 return phy_info->port_details->port;
509 else
510 return NULL;
511 }
512
513 static inline void
mptsas_set_port(MPT_ADAPTER * ioc,struct mptsas_phyinfo * phy_info,struct sas_port * port)514 mptsas_set_port(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_port *port)
515 {
516 if (phy_info->port_details)
517 phy_info->port_details->port = port;
518
519 if (port) {
520 dsaswideprintk(ioc, dev_printk(KERN_DEBUG,
521 &port->dev, MYIOC_s_FMT "add:", ioc->name));
522 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "port=%p release=%p\n",
523 ioc->name, port, port->dev.release));
524 }
525 }
526
527 static inline struct scsi_target *
mptsas_get_starget(struct mptsas_phyinfo * phy_info)528 mptsas_get_starget(struct mptsas_phyinfo *phy_info)
529 {
530 if (phy_info->port_details)
531 return phy_info->port_details->starget;
532 else
533 return NULL;
534 }
535
536 static inline void
mptsas_set_starget(struct mptsas_phyinfo * phy_info,struct scsi_target * starget)537 mptsas_set_starget(struct mptsas_phyinfo *phy_info, struct scsi_target *
538 starget)
539 {
540 if (phy_info->port_details)
541 phy_info->port_details->starget = starget;
542 }
543
544 /**
545 * mptsas_add_device_component -
546 * @ioc: Pointer to MPT_ADAPTER structure
547 * @channel: fw mapped id's
548 * @id:
549 * @sas_address:
550 * @device_info:
551 *
552 **/
553 static void
mptsas_add_device_component(MPT_ADAPTER * ioc,u8 channel,u8 id,u64 sas_address,u32 device_info,u16 slot,u64 enclosure_logical_id)554 mptsas_add_device_component(MPT_ADAPTER *ioc, u8 channel, u8 id,
555 u64 sas_address, u32 device_info, u16 slot, u64 enclosure_logical_id)
556 {
557 struct mptsas_device_info *sas_info, *next;
558 struct scsi_device *sdev;
559 struct scsi_target *starget;
560 struct sas_rphy *rphy;
561
562 /*
563 * Delete all matching devices out of the list
564 */
565 mutex_lock(&ioc->sas_device_info_mutex);
566 list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list,
567 list) {
568 if (!sas_info->is_logical_volume &&
569 (sas_info->sas_address == sas_address ||
570 (sas_info->fw.channel == channel &&
571 sas_info->fw.id == id))) {
572 list_del(&sas_info->list);
573 kfree(sas_info);
574 }
575 }
576
577 sas_info = kzalloc(sizeof(struct mptsas_device_info), GFP_KERNEL);
578 if (!sas_info)
579 goto out;
580
581 /*
582 * Set Firmware mapping
583 */
584 sas_info->fw.id = id;
585 sas_info->fw.channel = channel;
586
587 sas_info->sas_address = sas_address;
588 sas_info->device_info = device_info;
589 sas_info->slot = slot;
590 sas_info->enclosure_logical_id = enclosure_logical_id;
591 INIT_LIST_HEAD(&sas_info->list);
592 list_add_tail(&sas_info->list, &ioc->sas_device_info_list);
593
594 /*
595 * Set OS mapping
596 */
597 shost_for_each_device(sdev, ioc->sh) {
598 starget = scsi_target(sdev);
599 rphy = dev_to_rphy(starget->dev.parent);
600 if (rphy->identify.sas_address == sas_address) {
601 sas_info->os.id = starget->id;
602 sas_info->os.channel = starget->channel;
603 }
604 }
605
606 out:
607 mutex_unlock(&ioc->sas_device_info_mutex);
608 return;
609 }
610
611 /**
612 * mptsas_add_device_component_by_fw -
613 * @ioc: Pointer to MPT_ADAPTER structure
614 * @channel: fw mapped id's
615 * @id:
616 *
617 **/
618 static void
mptsas_add_device_component_by_fw(MPT_ADAPTER * ioc,u8 channel,u8 id)619 mptsas_add_device_component_by_fw(MPT_ADAPTER *ioc, u8 channel, u8 id)
620 {
621 struct mptsas_devinfo sas_device;
622 struct mptsas_enclosure enclosure_info;
623 int rc;
624
625 rc = mptsas_sas_device_pg0(ioc, &sas_device,
626 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
627 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
628 (channel << 8) + id);
629 if (rc)
630 return;
631
632 memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure));
633 mptsas_sas_enclosure_pg0(ioc, &enclosure_info,
634 (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE <<
635 MPI_SAS_ENCLOS_PGAD_FORM_SHIFT),
636 sas_device.handle_enclosure);
637
638 mptsas_add_device_component(ioc, sas_device.channel,
639 sas_device.id, sas_device.sas_address, sas_device.device_info,
640 sas_device.slot, enclosure_info.enclosure_logical_id);
641 }
642
643 /**
644 * mptsas_add_device_component_starget_ir - Handle Integrated RAID, adding each individual device to list
645 * @ioc: Pointer to MPT_ADAPTER structure
646 * @channel: fw mapped id's
647 * @id:
648 *
649 **/
650 static void
mptsas_add_device_component_starget_ir(MPT_ADAPTER * ioc,struct scsi_target * starget)651 mptsas_add_device_component_starget_ir(MPT_ADAPTER *ioc,
652 struct scsi_target *starget)
653 {
654 CONFIGPARMS cfg;
655 ConfigPageHeader_t hdr;
656 dma_addr_t dma_handle;
657 pRaidVolumePage0_t buffer = NULL;
658 int i;
659 RaidPhysDiskPage0_t phys_disk;
660 struct mptsas_device_info *sas_info, *next;
661
662 memset(&cfg, 0 , sizeof(CONFIGPARMS));
663 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
664 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME;
665 /* assumption that all volumes on channel = 0 */
666 cfg.pageAddr = starget->id;
667 cfg.cfghdr.hdr = &hdr;
668 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
669 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
670
671 if (mpt_config(ioc, &cfg) != 0)
672 goto out;
673
674 if (!hdr.PageLength)
675 goto out;
676
677 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
678 &dma_handle);
679
680 if (!buffer)
681 goto out;
682
683 cfg.physAddr = dma_handle;
684 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
685
686 if (mpt_config(ioc, &cfg) != 0)
687 goto out;
688
689 if (!buffer->NumPhysDisks)
690 goto out;
691
692 /*
693 * Adding entry for hidden components
694 */
695 for (i = 0; i < buffer->NumPhysDisks; i++) {
696
697 if (mpt_raid_phys_disk_pg0(ioc,
698 buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0)
699 continue;
700
701 mptsas_add_device_component_by_fw(ioc, phys_disk.PhysDiskBus,
702 phys_disk.PhysDiskID);
703
704 mutex_lock(&ioc->sas_device_info_mutex);
705 list_for_each_entry(sas_info, &ioc->sas_device_info_list,
706 list) {
707 if (!sas_info->is_logical_volume &&
708 (sas_info->fw.channel == phys_disk.PhysDiskBus &&
709 sas_info->fw.id == phys_disk.PhysDiskID)) {
710 sas_info->is_hidden_raid_component = 1;
711 sas_info->volume_id = starget->id;
712 }
713 }
714 mutex_unlock(&ioc->sas_device_info_mutex);
715
716 }
717
718 /*
719 * Delete all matching devices out of the list
720 */
721 mutex_lock(&ioc->sas_device_info_mutex);
722 list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list,
723 list) {
724 if (sas_info->is_logical_volume && sas_info->fw.id ==
725 starget->id) {
726 list_del(&sas_info->list);
727 kfree(sas_info);
728 }
729 }
730
731 sas_info = kzalloc(sizeof(struct mptsas_device_info), GFP_KERNEL);
732 if (sas_info) {
733 sas_info->fw.id = starget->id;
734 sas_info->os.id = starget->id;
735 sas_info->os.channel = starget->channel;
736 sas_info->is_logical_volume = 1;
737 INIT_LIST_HEAD(&sas_info->list);
738 list_add_tail(&sas_info->list, &ioc->sas_device_info_list);
739 }
740 mutex_unlock(&ioc->sas_device_info_mutex);
741
742 out:
743 if (buffer)
744 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
745 dma_handle);
746 }
747
748 /**
749 * mptsas_add_device_component_starget -
750 * @ioc: Pointer to MPT_ADAPTER structure
751 * @starget:
752 *
753 **/
754 static void
mptsas_add_device_component_starget(MPT_ADAPTER * ioc,struct scsi_target * starget)755 mptsas_add_device_component_starget(MPT_ADAPTER *ioc,
756 struct scsi_target *starget)
757 {
758 VirtTarget *vtarget;
759 struct sas_rphy *rphy;
760 struct mptsas_phyinfo *phy_info = NULL;
761 struct mptsas_enclosure enclosure_info;
762
763 rphy = dev_to_rphy(starget->dev.parent);
764 vtarget = starget->hostdata;
765 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
766 rphy->identify.sas_address);
767 if (!phy_info)
768 return;
769
770 memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure));
771 mptsas_sas_enclosure_pg0(ioc, &enclosure_info,
772 (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE <<
773 MPI_SAS_ENCLOS_PGAD_FORM_SHIFT),
774 phy_info->attached.handle_enclosure);
775
776 mptsas_add_device_component(ioc, phy_info->attached.channel,
777 phy_info->attached.id, phy_info->attached.sas_address,
778 phy_info->attached.device_info,
779 phy_info->attached.slot, enclosure_info.enclosure_logical_id);
780 }
781
782 /**
783 * mptsas_del_device_component_by_os - Once a device has been removed, we mark the entry in the list as being cached
784 * @ioc: Pointer to MPT_ADAPTER structure
785 * @channel: os mapped id's
786 * @id:
787 *
788 **/
789 static void
mptsas_del_device_component_by_os(MPT_ADAPTER * ioc,u8 channel,u8 id)790 mptsas_del_device_component_by_os(MPT_ADAPTER *ioc, u8 channel, u8 id)
791 {
792 struct mptsas_device_info *sas_info, *next;
793
794 /*
795 * Set is_cached flag
796 */
797 list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list,
798 list) {
799 if (sas_info->os.channel == channel && sas_info->os.id == id)
800 sas_info->is_cached = 1;
801 }
802 }
803
804 /**
805 * mptsas_del_device_components - Cleaning the list
806 * @ioc: Pointer to MPT_ADAPTER structure
807 *
808 **/
809 static void
mptsas_del_device_components(MPT_ADAPTER * ioc)810 mptsas_del_device_components(MPT_ADAPTER *ioc)
811 {
812 struct mptsas_device_info *sas_info, *next;
813
814 mutex_lock(&ioc->sas_device_info_mutex);
815 list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list,
816 list) {
817 list_del(&sas_info->list);
818 kfree(sas_info);
819 }
820 mutex_unlock(&ioc->sas_device_info_mutex);
821 }
822
823
824 /*
825 * mptsas_setup_wide_ports
826 *
827 * Updates for new and existing narrow/wide port configuration
828 * in the sas_topology
829 */
830 static void
mptsas_setup_wide_ports(MPT_ADAPTER * ioc,struct mptsas_portinfo * port_info)831 mptsas_setup_wide_ports(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
832 {
833 struct mptsas_portinfo_details * port_details;
834 struct mptsas_phyinfo *phy_info, *phy_info_cmp;
835 u64 sas_address;
836 int i, j;
837
838 mutex_lock(&ioc->sas_topology_mutex);
839
840 phy_info = port_info->phy_info;
841 for (i = 0 ; i < port_info->num_phys ; i++, phy_info++) {
842 if (phy_info->attached.handle)
843 continue;
844 port_details = phy_info->port_details;
845 if (!port_details)
846 continue;
847 if (port_details->num_phys < 2)
848 continue;
849 /*
850 * Removing a phy from a port, letting the last
851 * phy be removed by firmware events.
852 */
853 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT
854 "%s: [%p]: deleting phy = %d\n",
855 ioc->name, __func__, port_details, i));
856 port_details->num_phys--;
857 port_details->phy_bitmask &= ~ (1 << phy_info->phy_id);
858 memset(&phy_info->attached, 0, sizeof(struct mptsas_devinfo));
859 if (phy_info->phy) {
860 devtprintk(ioc, dev_printk(KERN_DEBUG,
861 &phy_info->phy->dev, MYIOC_s_FMT
862 "delete phy %d, phy-obj (0x%p)\n", ioc->name,
863 phy_info->phy_id, phy_info->phy));
864 sas_port_delete_phy(port_details->port, phy_info->phy);
865 }
866 phy_info->port_details = NULL;
867 }
868
869 /*
870 * Populate and refresh the tree
871 */
872 phy_info = port_info->phy_info;
873 for (i = 0 ; i < port_info->num_phys ; i++, phy_info++) {
874 sas_address = phy_info->attached.sas_address;
875 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "phy_id=%d sas_address=0x%018llX\n",
876 ioc->name, i, (unsigned long long)sas_address));
877 if (!sas_address)
878 continue;
879 port_details = phy_info->port_details;
880 /*
881 * Forming a port
882 */
883 if (!port_details) {
884 port_details = kzalloc(sizeof(struct
885 mptsas_portinfo_details), GFP_KERNEL);
886 if (!port_details)
887 goto out;
888 port_details->num_phys = 1;
889 port_details->port_info = port_info;
890 if (phy_info->phy_id < 64 )
891 port_details->phy_bitmask |=
892 (1 << phy_info->phy_id);
893 phy_info->sas_port_add_phy=1;
894 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\t\tForming port\n\t\t"
895 "phy_id=%d sas_address=0x%018llX\n",
896 ioc->name, i, (unsigned long long)sas_address));
897 phy_info->port_details = port_details;
898 }
899
900 if (i == port_info->num_phys - 1)
901 continue;
902 phy_info_cmp = &port_info->phy_info[i + 1];
903 for (j = i + 1 ; j < port_info->num_phys ; j++,
904 phy_info_cmp++) {
905 if (!phy_info_cmp->attached.sas_address)
906 continue;
907 if (sas_address != phy_info_cmp->attached.sas_address)
908 continue;
909 if (phy_info_cmp->port_details == port_details )
910 continue;
911 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT
912 "\t\tphy_id=%d sas_address=0x%018llX\n",
913 ioc->name, j, (unsigned long long)
914 phy_info_cmp->attached.sas_address));
915 if (phy_info_cmp->port_details) {
916 port_details->rphy =
917 mptsas_get_rphy(phy_info_cmp);
918 port_details->port =
919 mptsas_get_port(phy_info_cmp);
920 port_details->starget =
921 mptsas_get_starget(phy_info_cmp);
922 port_details->num_phys =
923 phy_info_cmp->port_details->num_phys;
924 if (!phy_info_cmp->port_details->num_phys)
925 kfree(phy_info_cmp->port_details);
926 } else
927 phy_info_cmp->sas_port_add_phy=1;
928 /*
929 * Adding a phy to a port
930 */
931 phy_info_cmp->port_details = port_details;
932 if (phy_info_cmp->phy_id < 64 )
933 port_details->phy_bitmask |=
934 (1 << phy_info_cmp->phy_id);
935 port_details->num_phys++;
936 }
937 }
938
939 out:
940
941 for (i = 0; i < port_info->num_phys; i++) {
942 port_details = port_info->phy_info[i].port_details;
943 if (!port_details)
944 continue;
945 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT
946 "%s: [%p]: phy_id=%02d num_phys=%02d "
947 "bitmask=0x%016llX\n", ioc->name, __func__,
948 port_details, i, port_details->num_phys,
949 (unsigned long long)port_details->phy_bitmask));
950 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\t\tport = %p rphy=%p\n",
951 ioc->name, port_details->port, port_details->rphy));
952 }
953 dsaswideprintk(ioc, printk("\n"));
954 mutex_unlock(&ioc->sas_topology_mutex);
955 }
956
957 /**
958 * csmisas_find_vtarget
959 *
960 * @ioc
961 * @volume_id
962 * @volume_bus
963 *
964 **/
965 static VirtTarget *
mptsas_find_vtarget(MPT_ADAPTER * ioc,u8 channel,u8 id)966 mptsas_find_vtarget(MPT_ADAPTER *ioc, u8 channel, u8 id)
967 {
968 struct scsi_device *sdev;
969 VirtDevice *vdevice;
970 VirtTarget *vtarget = NULL;
971
972 shost_for_each_device(sdev, ioc->sh) {
973 vdevice = sdev->hostdata;
974 if ((vdevice == NULL) ||
975 (vdevice->vtarget == NULL))
976 continue;
977 if ((vdevice->vtarget->tflags &
978 MPT_TARGET_FLAGS_RAID_COMPONENT ||
979 vdevice->vtarget->raidVolume))
980 continue;
981 if (vdevice->vtarget->id == id &&
982 vdevice->vtarget->channel == channel)
983 vtarget = vdevice->vtarget;
984 }
985 return vtarget;
986 }
987
988 static void
mptsas_queue_device_delete(MPT_ADAPTER * ioc,MpiEventDataSasDeviceStatusChange_t * sas_event_data)989 mptsas_queue_device_delete(MPT_ADAPTER *ioc,
990 MpiEventDataSasDeviceStatusChange_t *sas_event_data)
991 {
992 struct fw_event_work *fw_event;
993
994 fw_event = kzalloc(sizeof(*fw_event) +
995 sizeof(MpiEventDataSasDeviceStatusChange_t),
996 GFP_ATOMIC);
997 if (!fw_event) {
998 printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n",
999 ioc->name, __func__, __LINE__);
1000 return;
1001 }
1002 memcpy(fw_event->event_data, sas_event_data,
1003 sizeof(MpiEventDataSasDeviceStatusChange_t));
1004 fw_event->event = MPI_EVENT_SAS_DEVICE_STATUS_CHANGE;
1005 fw_event->ioc = ioc;
1006 mptsas_add_fw_event(ioc, fw_event, msecs_to_jiffies(1));
1007 }
1008
1009 static void
mptsas_queue_rescan(MPT_ADAPTER * ioc)1010 mptsas_queue_rescan(MPT_ADAPTER *ioc)
1011 {
1012 struct fw_event_work *fw_event;
1013
1014 fw_event = kzalloc(sizeof(*fw_event), GFP_ATOMIC);
1015 if (!fw_event) {
1016 printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n",
1017 ioc->name, __func__, __LINE__);
1018 return;
1019 }
1020 fw_event->event = -1;
1021 fw_event->ioc = ioc;
1022 mptsas_add_fw_event(ioc, fw_event, msecs_to_jiffies(1));
1023 }
1024
1025
1026 /**
1027 * mptsas_target_reset
1028 *
1029 * Issues TARGET_RESET to end device using handshaking method
1030 *
1031 * @ioc
1032 * @channel
1033 * @id
1034 *
1035 * Returns (1) success
1036 * (0) failure
1037 *
1038 **/
1039 static int
mptsas_target_reset(MPT_ADAPTER * ioc,u8 channel,u8 id)1040 mptsas_target_reset(MPT_ADAPTER *ioc, u8 channel, u8 id)
1041 {
1042 MPT_FRAME_HDR *mf;
1043 SCSITaskMgmt_t *pScsiTm;
1044 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0)
1045 return 0;
1046
1047
1048 mf = mpt_get_msg_frame(mptsasDeviceResetCtx, ioc);
1049 if (mf == NULL) {
1050 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT
1051 "%s, no msg frames @%d!!\n", ioc->name,
1052 __func__, __LINE__));
1053 goto out_fail;
1054 }
1055
1056 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
1057 ioc->name, mf));
1058
1059 /* Format the Request
1060 */
1061 pScsiTm = (SCSITaskMgmt_t *) mf;
1062 memset (pScsiTm, 0, sizeof(SCSITaskMgmt_t));
1063 pScsiTm->TargetID = id;
1064 pScsiTm->Bus = channel;
1065 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1066 pScsiTm->TaskType = MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
1067 pScsiTm->MsgFlags = MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION;
1068
1069 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)mf);
1070
1071 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1072 "TaskMgmt type=%d (sas device delete) fw_channel = %d fw_id = %d)\n",
1073 ioc->name, MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET, channel, id));
1074
1075 mpt_put_msg_frame_hi_pri(mptsasDeviceResetCtx, ioc, mf);
1076
1077 return 1;
1078
1079 out_fail:
1080
1081 mpt_clear_taskmgmt_in_progress_flag(ioc);
1082 return 0;
1083 }
1084
1085 static void
mptsas_block_io_sdev(struct scsi_device * sdev,void * data)1086 mptsas_block_io_sdev(struct scsi_device *sdev, void *data)
1087 {
1088 scsi_device_set_state(sdev, SDEV_BLOCK);
1089 }
1090
1091 static void
mptsas_block_io_starget(struct scsi_target * starget)1092 mptsas_block_io_starget(struct scsi_target *starget)
1093 {
1094 if (starget)
1095 starget_for_each_device(starget, NULL, mptsas_block_io_sdev);
1096 }
1097
1098 /**
1099 * mptsas_target_reset_queue
1100 *
1101 * Receive request for TARGET_RESET after receiving an firmware
1102 * event NOT_RESPONDING_EVENT, then put command in link list
1103 * and queue if task_queue already in use.
1104 *
1105 * @ioc
1106 * @sas_event_data
1107 *
1108 **/
1109 static void
mptsas_target_reset_queue(MPT_ADAPTER * ioc,EVENT_DATA_SAS_DEVICE_STATUS_CHANGE * sas_event_data)1110 mptsas_target_reset_queue(MPT_ADAPTER *ioc,
1111 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data)
1112 {
1113 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
1114 VirtTarget *vtarget = NULL;
1115 struct mptsas_target_reset_event *target_reset_list;
1116 u8 id, channel;
1117
1118 id = sas_event_data->TargetID;
1119 channel = sas_event_data->Bus;
1120
1121 vtarget = mptsas_find_vtarget(ioc, channel, id);
1122 if (vtarget) {
1123 mptsas_block_io_starget(vtarget->starget);
1124 vtarget->deleted = 1; /* block IO */
1125 }
1126
1127 target_reset_list = kzalloc(sizeof(struct mptsas_target_reset_event),
1128 GFP_ATOMIC);
1129 if (!target_reset_list) {
1130 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT
1131 "%s, failed to allocate mem @%d..!!\n",
1132 ioc->name, __func__, __LINE__));
1133 return;
1134 }
1135
1136 memcpy(&target_reset_list->sas_event_data, sas_event_data,
1137 sizeof(*sas_event_data));
1138 list_add_tail(&target_reset_list->list, &hd->target_reset_list);
1139
1140 target_reset_list->time_count = jiffies;
1141
1142 if (mptsas_target_reset(ioc, channel, id)) {
1143 target_reset_list->target_reset_issued = 1;
1144 }
1145 }
1146
1147 /**
1148 * mptsas_schedule_target_reset- send pending target reset
1149 * @iocp: per adapter object
1150 *
1151 * This function will delete scheduled target reset from the list and
1152 * try to send next target reset. This will be called from completion
1153 * context of any Task management command.
1154 */
1155
1156 void
mptsas_schedule_target_reset(void * iocp)1157 mptsas_schedule_target_reset(void *iocp)
1158 {
1159 MPT_ADAPTER *ioc = (MPT_ADAPTER *)(iocp);
1160 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
1161 struct list_head *head = &hd->target_reset_list;
1162 struct mptsas_target_reset_event *target_reset_list;
1163 u8 id, channel;
1164 /*
1165 * issue target reset to next device in the queue
1166 */
1167
1168 head = &hd->target_reset_list;
1169 if (list_empty(head))
1170 return;
1171
1172 target_reset_list = list_entry(head->next,
1173 struct mptsas_target_reset_event, list);
1174
1175 id = target_reset_list->sas_event_data.TargetID;
1176 channel = target_reset_list->sas_event_data.Bus;
1177 target_reset_list->time_count = jiffies;
1178
1179 if (mptsas_target_reset(ioc, channel, id))
1180 target_reset_list->target_reset_issued = 1;
1181 return;
1182 }
1183
1184
1185 /**
1186 * mptsas_taskmgmt_complete - complete SAS task management function
1187 * @ioc: Pointer to MPT_ADAPTER structure
1188 *
1189 * Completion for TARGET_RESET after NOT_RESPONDING_EVENT, enable work
1190 * queue to finish off removing device from upper layers. then send next
1191 * TARGET_RESET in the queue.
1192 **/
1193 static int
mptsas_taskmgmt_complete(MPT_ADAPTER * ioc,MPT_FRAME_HDR * mf,MPT_FRAME_HDR * mr)1194 mptsas_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
1195 {
1196 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
1197 struct list_head *head = &hd->target_reset_list;
1198 u8 id, channel;
1199 struct mptsas_target_reset_event *target_reset_list;
1200 SCSITaskMgmtReply_t *pScsiTmReply;
1201
1202 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt completed: "
1203 "(mf = %p, mr = %p)\n", ioc->name, mf, mr));
1204
1205 pScsiTmReply = (SCSITaskMgmtReply_t *)mr;
1206 if (!pScsiTmReply)
1207 return 0;
1208
1209 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1210 "\tTaskMgmt completed: fw_channel = %d, fw_id = %d,\n"
1211 "\ttask_type = 0x%02X, iocstatus = 0x%04X "
1212 "loginfo = 0x%08X,\n\tresponse_code = 0x%02X, "
1213 "term_cmnds = %d\n", ioc->name,
1214 pScsiTmReply->Bus, pScsiTmReply->TargetID,
1215 pScsiTmReply->TaskType,
1216 le16_to_cpu(pScsiTmReply->IOCStatus),
1217 le32_to_cpu(pScsiTmReply->IOCLogInfo),
1218 pScsiTmReply->ResponseCode,
1219 le32_to_cpu(pScsiTmReply->TerminationCount)));
1220
1221 if (pScsiTmReply->ResponseCode)
1222 mptscsih_taskmgmt_response_code(ioc,
1223 pScsiTmReply->ResponseCode);
1224
1225 if (pScsiTmReply->TaskType ==
1226 MPI_SCSITASKMGMT_TASKTYPE_QUERY_TASK || pScsiTmReply->TaskType ==
1227 MPI_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET) {
1228 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
1229 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
1230 memcpy(ioc->taskmgmt_cmds.reply, mr,
1231 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
1232 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
1233 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
1234 complete(&ioc->taskmgmt_cmds.done);
1235 return 1;
1236 }
1237 return 0;
1238 }
1239
1240 mpt_clear_taskmgmt_in_progress_flag(ioc);
1241
1242 if (list_empty(head))
1243 return 1;
1244
1245 target_reset_list = list_entry(head->next,
1246 struct mptsas_target_reset_event, list);
1247
1248 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1249 "TaskMgmt: completed (%d seconds)\n",
1250 ioc->name, jiffies_to_msecs(jiffies -
1251 target_reset_list->time_count)/1000));
1252
1253 id = pScsiTmReply->TargetID;
1254 channel = pScsiTmReply->Bus;
1255 target_reset_list->time_count = jiffies;
1256
1257 /*
1258 * retry target reset
1259 */
1260 if (!target_reset_list->target_reset_issued) {
1261 if (mptsas_target_reset(ioc, channel, id))
1262 target_reset_list->target_reset_issued = 1;
1263 return 1;
1264 }
1265
1266 /*
1267 * enable work queue to remove device from upper layers
1268 */
1269 list_del(&target_reset_list->list);
1270 if (!ioc->fw_events_off)
1271 mptsas_queue_device_delete(ioc,
1272 &target_reset_list->sas_event_data);
1273
1274
1275 ioc->schedule_target_reset(ioc);
1276
1277 return 1;
1278 }
1279
1280 /**
1281 * mptscsih_ioc_reset
1282 *
1283 * @ioc
1284 * @reset_phase
1285 *
1286 **/
1287 static int
mptsas_ioc_reset(MPT_ADAPTER * ioc,int reset_phase)1288 mptsas_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
1289 {
1290 MPT_SCSI_HOST *hd;
1291 int rc;
1292
1293 rc = mptscsih_ioc_reset(ioc, reset_phase);
1294 if ((ioc->bus_type != SAS) || (!rc))
1295 return rc;
1296
1297 hd = shost_priv(ioc->sh);
1298 if (!hd->ioc)
1299 goto out;
1300
1301 switch (reset_phase) {
1302 case MPT_IOC_SETUP_RESET:
1303 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1304 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
1305 mptsas_fw_event_off(ioc);
1306 break;
1307 case MPT_IOC_PRE_RESET:
1308 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1309 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
1310 break;
1311 case MPT_IOC_POST_RESET:
1312 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1313 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
1314 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_PENDING) {
1315 ioc->sas_mgmt.status |= MPT_MGMT_STATUS_DID_IOCRESET;
1316 complete(&ioc->sas_mgmt.done);
1317 }
1318 mptsas_cleanup_fw_event_q(ioc);
1319 mptsas_queue_rescan(ioc);
1320 break;
1321 default:
1322 break;
1323 }
1324
1325 out:
1326 return rc;
1327 }
1328
1329
1330 /**
1331 * enum device_state -
1332 * @DEVICE_RETRY: need to retry the TUR
1333 * @DEVICE_ERROR: TUR return error, don't add device
1334 * @DEVICE_READY: device can be added
1335 *
1336 */
1337 enum device_state{
1338 DEVICE_RETRY,
1339 DEVICE_ERROR,
1340 DEVICE_READY,
1341 };
1342
1343 static int
mptsas_sas_enclosure_pg0(MPT_ADAPTER * ioc,struct mptsas_enclosure * enclosure,u32 form,u32 form_specific)1344 mptsas_sas_enclosure_pg0(MPT_ADAPTER *ioc, struct mptsas_enclosure *enclosure,
1345 u32 form, u32 form_specific)
1346 {
1347 ConfigExtendedPageHeader_t hdr;
1348 CONFIGPARMS cfg;
1349 SasEnclosurePage0_t *buffer;
1350 dma_addr_t dma_handle;
1351 int error;
1352 __le64 le_identifier;
1353
1354 memset(&hdr, 0, sizeof(hdr));
1355 hdr.PageVersion = MPI_SASENCLOSURE0_PAGEVERSION;
1356 hdr.PageNumber = 0;
1357 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
1358 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_ENCLOSURE;
1359
1360 cfg.cfghdr.ehdr = &hdr;
1361 cfg.physAddr = -1;
1362 cfg.pageAddr = form + form_specific;
1363 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
1364 cfg.dir = 0; /* read */
1365 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
1366
1367 error = mpt_config(ioc, &cfg);
1368 if (error)
1369 goto out;
1370 if (!hdr.ExtPageLength) {
1371 error = -ENXIO;
1372 goto out;
1373 }
1374
1375 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
1376 &dma_handle);
1377 if (!buffer) {
1378 error = -ENOMEM;
1379 goto out;
1380 }
1381
1382 cfg.physAddr = dma_handle;
1383 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
1384
1385 error = mpt_config(ioc, &cfg);
1386 if (error)
1387 goto out_free_consistent;
1388
1389 /* save config data */
1390 memcpy(&le_identifier, &buffer->EnclosureLogicalID, sizeof(__le64));
1391 enclosure->enclosure_logical_id = le64_to_cpu(le_identifier);
1392 enclosure->enclosure_handle = le16_to_cpu(buffer->EnclosureHandle);
1393 enclosure->flags = le16_to_cpu(buffer->Flags);
1394 enclosure->num_slot = le16_to_cpu(buffer->NumSlots);
1395 enclosure->start_slot = le16_to_cpu(buffer->StartSlot);
1396 enclosure->start_id = buffer->StartTargetID;
1397 enclosure->start_channel = buffer->StartBus;
1398 enclosure->sep_id = buffer->SEPTargetID;
1399 enclosure->sep_channel = buffer->SEPBus;
1400
1401 out_free_consistent:
1402 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
1403 buffer, dma_handle);
1404 out:
1405 return error;
1406 }
1407
1408 /**
1409 * mptsas_add_end_device - report a new end device to sas transport layer
1410 * @ioc: Pointer to MPT_ADAPTER structure
1411 * @phy_info: describes attached device
1412 *
1413 * return (0) success (1) failure
1414 *
1415 **/
1416 static int
mptsas_add_end_device(MPT_ADAPTER * ioc,struct mptsas_phyinfo * phy_info)1417 mptsas_add_end_device(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info)
1418 {
1419 struct sas_rphy *rphy;
1420 struct sas_port *port;
1421 struct sas_identify identify;
1422 char *ds = NULL;
1423 u8 fw_id;
1424
1425 if (!phy_info) {
1426 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1427 "%s: exit at line=%d\n", ioc->name,
1428 __func__, __LINE__));
1429 return 1;
1430 }
1431
1432 fw_id = phy_info->attached.id;
1433
1434 if (mptsas_get_rphy(phy_info)) {
1435 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1436 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1437 __func__, fw_id, __LINE__));
1438 return 2;
1439 }
1440
1441 port = mptsas_get_port(phy_info);
1442 if (!port) {
1443 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1444 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1445 __func__, fw_id, __LINE__));
1446 return 3;
1447 }
1448
1449 if (phy_info->attached.device_info &
1450 MPI_SAS_DEVICE_INFO_SSP_TARGET)
1451 ds = "ssp";
1452 if (phy_info->attached.device_info &
1453 MPI_SAS_DEVICE_INFO_STP_TARGET)
1454 ds = "stp";
1455 if (phy_info->attached.device_info &
1456 MPI_SAS_DEVICE_INFO_SATA_DEVICE)
1457 ds = "sata";
1458
1459 printk(MYIOC_s_INFO_FMT "attaching %s device: fw_channel %d, fw_id %d,"
1460 " phy %d, sas_addr 0x%llx\n", ioc->name, ds,
1461 phy_info->attached.channel, phy_info->attached.id,
1462 phy_info->attached.phy_id, (unsigned long long)
1463 phy_info->attached.sas_address);
1464
1465 mptsas_parse_device_info(&identify, &phy_info->attached);
1466 rphy = sas_end_device_alloc(port);
1467 if (!rphy) {
1468 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1469 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1470 __func__, fw_id, __LINE__));
1471 return 5; /* non-fatal: an rphy can be added later */
1472 }
1473
1474 rphy->identify = identify;
1475 if (sas_rphy_add(rphy)) {
1476 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1477 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1478 __func__, fw_id, __LINE__));
1479 sas_rphy_free(rphy);
1480 return 6;
1481 }
1482 mptsas_set_rphy(ioc, phy_info, rphy);
1483 return 0;
1484 }
1485
1486 /**
1487 * mptsas_del_end_device - report a deleted end device to sas transport layer
1488 * @ioc: Pointer to MPT_ADAPTER structure
1489 * @phy_info: describes attached device
1490 *
1491 **/
1492 static void
mptsas_del_end_device(MPT_ADAPTER * ioc,struct mptsas_phyinfo * phy_info)1493 mptsas_del_end_device(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info)
1494 {
1495 struct sas_rphy *rphy;
1496 struct sas_port *port;
1497 struct mptsas_portinfo *port_info;
1498 struct mptsas_phyinfo *phy_info_parent;
1499 int i;
1500 char *ds = NULL;
1501 u8 fw_id;
1502 u64 sas_address;
1503
1504 if (!phy_info)
1505 return;
1506
1507 fw_id = phy_info->attached.id;
1508 sas_address = phy_info->attached.sas_address;
1509
1510 if (!phy_info->port_details) {
1511 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1512 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1513 __func__, fw_id, __LINE__));
1514 return;
1515 }
1516 rphy = mptsas_get_rphy(phy_info);
1517 if (!rphy) {
1518 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1519 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1520 __func__, fw_id, __LINE__));
1521 return;
1522 }
1523
1524 if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_SSP_INITIATOR
1525 || phy_info->attached.device_info
1526 & MPI_SAS_DEVICE_INFO_SMP_INITIATOR
1527 || phy_info->attached.device_info
1528 & MPI_SAS_DEVICE_INFO_STP_INITIATOR)
1529 ds = "initiator";
1530 if (phy_info->attached.device_info &
1531 MPI_SAS_DEVICE_INFO_SSP_TARGET)
1532 ds = "ssp";
1533 if (phy_info->attached.device_info &
1534 MPI_SAS_DEVICE_INFO_STP_TARGET)
1535 ds = "stp";
1536 if (phy_info->attached.device_info &
1537 MPI_SAS_DEVICE_INFO_SATA_DEVICE)
1538 ds = "sata";
1539
1540 dev_printk(KERN_DEBUG, &rphy->dev, MYIOC_s_FMT
1541 "removing %s device: fw_channel %d, fw_id %d, phy %d,"
1542 "sas_addr 0x%llx\n", ioc->name, ds, phy_info->attached.channel,
1543 phy_info->attached.id, phy_info->attached.phy_id,
1544 (unsigned long long) sas_address);
1545
1546 port = mptsas_get_port(phy_info);
1547 if (!port) {
1548 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1549 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1550 __func__, fw_id, __LINE__));
1551 return;
1552 }
1553 port_info = phy_info->portinfo;
1554 phy_info_parent = port_info->phy_info;
1555 for (i = 0; i < port_info->num_phys; i++, phy_info_parent++) {
1556 if (!phy_info_parent->phy)
1557 continue;
1558 if (phy_info_parent->attached.sas_address !=
1559 sas_address)
1560 continue;
1561 dev_printk(KERN_DEBUG, &phy_info_parent->phy->dev,
1562 MYIOC_s_FMT "delete phy %d, phy-obj (0x%p)\n",
1563 ioc->name, phy_info_parent->phy_id,
1564 phy_info_parent->phy);
1565 sas_port_delete_phy(port, phy_info_parent->phy);
1566 }
1567
1568 dev_printk(KERN_DEBUG, &port->dev, MYIOC_s_FMT
1569 "delete port %d, sas_addr (0x%llx)\n", ioc->name,
1570 port->port_identifier, (unsigned long long)sas_address);
1571 sas_port_delete(port);
1572 mptsas_set_port(ioc, phy_info, NULL);
1573 mptsas_port_delete(ioc, phy_info->port_details);
1574 }
1575
1576 static struct mptsas_phyinfo *
mptsas_refreshing_device_handles(MPT_ADAPTER * ioc,struct mptsas_devinfo * sas_device)1577 mptsas_refreshing_device_handles(MPT_ADAPTER *ioc,
1578 struct mptsas_devinfo *sas_device)
1579 {
1580 struct mptsas_phyinfo *phy_info;
1581 struct mptsas_portinfo *port_info;
1582 int i;
1583
1584 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
1585 sas_device->sas_address);
1586 if (!phy_info)
1587 goto out;
1588 port_info = phy_info->portinfo;
1589 if (!port_info)
1590 goto out;
1591 mutex_lock(&ioc->sas_topology_mutex);
1592 for (i = 0; i < port_info->num_phys; i++) {
1593 if (port_info->phy_info[i].attached.sas_address !=
1594 sas_device->sas_address)
1595 continue;
1596 port_info->phy_info[i].attached.channel = sas_device->channel;
1597 port_info->phy_info[i].attached.id = sas_device->id;
1598 port_info->phy_info[i].attached.sas_address =
1599 sas_device->sas_address;
1600 port_info->phy_info[i].attached.handle = sas_device->handle;
1601 port_info->phy_info[i].attached.handle_parent =
1602 sas_device->handle_parent;
1603 port_info->phy_info[i].attached.handle_enclosure =
1604 sas_device->handle_enclosure;
1605 }
1606 mutex_unlock(&ioc->sas_topology_mutex);
1607 out:
1608 return phy_info;
1609 }
1610
1611 /**
1612 * mptsas_firmware_event_work - work thread for processing fw events
1613 * @work: work queue payload containing info describing the event
1614 * Context: user
1615 *
1616 */
1617 static void
mptsas_firmware_event_work(struct work_struct * work)1618 mptsas_firmware_event_work(struct work_struct *work)
1619 {
1620 struct fw_event_work *fw_event =
1621 container_of(work, struct fw_event_work, work.work);
1622 MPT_ADAPTER *ioc = fw_event->ioc;
1623
1624 /* special rescan topology handling */
1625 if (fw_event->event == -1) {
1626 if (ioc->in_rescan) {
1627 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1628 "%s: rescan ignored as it is in progress\n",
1629 ioc->name, __func__));
1630 return;
1631 }
1632 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: rescan after "
1633 "reset\n", ioc->name, __func__));
1634 ioc->in_rescan = 1;
1635 mptsas_not_responding_devices(ioc);
1636 mptsas_scan_sas_topology(ioc);
1637 ioc->in_rescan = 0;
1638 mptsas_free_fw_event(ioc, fw_event);
1639 mptsas_fw_event_on(ioc);
1640 return;
1641 }
1642
1643 /* events handling turned off during host reset */
1644 if (ioc->fw_events_off) {
1645 mptsas_free_fw_event(ioc, fw_event);
1646 return;
1647 }
1648
1649 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: fw_event=(0x%p), "
1650 "event = (0x%02x)\n", ioc->name, __func__, fw_event,
1651 (fw_event->event & 0xFF)));
1652
1653 switch (fw_event->event) {
1654 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
1655 mptsas_send_sas_event(fw_event);
1656 break;
1657 case MPI_EVENT_INTEGRATED_RAID:
1658 mptsas_send_raid_event(fw_event);
1659 break;
1660 case MPI_EVENT_IR2:
1661 mptsas_send_ir2_event(fw_event);
1662 break;
1663 case MPI_EVENT_PERSISTENT_TABLE_FULL:
1664 mptbase_sas_persist_operation(ioc,
1665 MPI_SAS_OP_CLEAR_NOT_PRESENT);
1666 mptsas_free_fw_event(ioc, fw_event);
1667 break;
1668 case MPI_EVENT_SAS_BROADCAST_PRIMITIVE:
1669 mptsas_broadcast_primative_work(fw_event);
1670 break;
1671 case MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE:
1672 mptsas_send_expander_event(fw_event);
1673 break;
1674 case MPI_EVENT_SAS_PHY_LINK_STATUS:
1675 mptsas_send_link_status_event(fw_event);
1676 break;
1677 case MPI_EVENT_QUEUE_FULL:
1678 mptsas_handle_queue_full_event(fw_event);
1679 break;
1680 }
1681 }
1682
1683
1684
1685 static int
mptsas_slave_configure(struct scsi_device * sdev)1686 mptsas_slave_configure(struct scsi_device *sdev)
1687 {
1688 struct Scsi_Host *host = sdev->host;
1689 MPT_SCSI_HOST *hd = shost_priv(host);
1690 MPT_ADAPTER *ioc = hd->ioc;
1691 VirtDevice *vdevice = sdev->hostdata;
1692
1693 if (vdevice->vtarget->deleted) {
1694 sdev_printk(KERN_INFO, sdev, "clearing deleted flag\n");
1695 vdevice->vtarget->deleted = 0;
1696 }
1697
1698 /*
1699 * RAID volumes placed beyond the last expected port.
1700 * Ignore sending sas mode pages in that case..
1701 */
1702 if (sdev->channel == MPTSAS_RAID_CHANNEL) {
1703 mptsas_add_device_component_starget_ir(ioc, scsi_target(sdev));
1704 goto out;
1705 }
1706
1707 sas_read_port_mode_page(sdev);
1708
1709 mptsas_add_device_component_starget(ioc, scsi_target(sdev));
1710
1711 out:
1712 return mptscsih_slave_configure(sdev);
1713 }
1714
1715 static int
mptsas_target_alloc(struct scsi_target * starget)1716 mptsas_target_alloc(struct scsi_target *starget)
1717 {
1718 struct Scsi_Host *host = dev_to_shost(&starget->dev);
1719 MPT_SCSI_HOST *hd = shost_priv(host);
1720 VirtTarget *vtarget;
1721 u8 id, channel;
1722 struct sas_rphy *rphy;
1723 struct mptsas_portinfo *p;
1724 int i;
1725 MPT_ADAPTER *ioc = hd->ioc;
1726
1727 vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL);
1728 if (!vtarget)
1729 return -ENOMEM;
1730
1731 vtarget->starget = starget;
1732 vtarget->ioc_id = ioc->id;
1733 vtarget->tflags = MPT_TARGET_FLAGS_Q_YES;
1734 id = starget->id;
1735 channel = 0;
1736
1737 /*
1738 * RAID volumes placed beyond the last expected port.
1739 */
1740 if (starget->channel == MPTSAS_RAID_CHANNEL) {
1741 if (!ioc->raid_data.pIocPg2) {
1742 kfree(vtarget);
1743 return -ENXIO;
1744 }
1745 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
1746 if (id == ioc->raid_data.pIocPg2->
1747 RaidVolume[i].VolumeID) {
1748 channel = ioc->raid_data.pIocPg2->
1749 RaidVolume[i].VolumeBus;
1750 }
1751 }
1752 vtarget->raidVolume = 1;
1753 goto out;
1754 }
1755
1756 rphy = dev_to_rphy(starget->dev.parent);
1757 mutex_lock(&ioc->sas_topology_mutex);
1758 list_for_each_entry(p, &ioc->sas_topology, list) {
1759 for (i = 0; i < p->num_phys; i++) {
1760 if (p->phy_info[i].attached.sas_address !=
1761 rphy->identify.sas_address)
1762 continue;
1763 id = p->phy_info[i].attached.id;
1764 channel = p->phy_info[i].attached.channel;
1765 mptsas_set_starget(&p->phy_info[i], starget);
1766
1767 /*
1768 * Exposing hidden raid components
1769 */
1770 if (mptscsih_is_phys_disk(ioc, channel, id)) {
1771 id = mptscsih_raid_id_to_num(ioc,
1772 channel, id);
1773 vtarget->tflags |=
1774 MPT_TARGET_FLAGS_RAID_COMPONENT;
1775 p->phy_info[i].attached.phys_disk_num = id;
1776 }
1777 mutex_unlock(&ioc->sas_topology_mutex);
1778 goto out;
1779 }
1780 }
1781 mutex_unlock(&ioc->sas_topology_mutex);
1782
1783 kfree(vtarget);
1784 return -ENXIO;
1785
1786 out:
1787 vtarget->id = id;
1788 vtarget->channel = channel;
1789 starget->hostdata = vtarget;
1790 return 0;
1791 }
1792
1793 static void
mptsas_target_destroy(struct scsi_target * starget)1794 mptsas_target_destroy(struct scsi_target *starget)
1795 {
1796 struct Scsi_Host *host = dev_to_shost(&starget->dev);
1797 MPT_SCSI_HOST *hd = shost_priv(host);
1798 struct sas_rphy *rphy;
1799 struct mptsas_portinfo *p;
1800 int i;
1801 MPT_ADAPTER *ioc = hd->ioc;
1802 VirtTarget *vtarget;
1803
1804 if (!starget->hostdata)
1805 return;
1806
1807 vtarget = starget->hostdata;
1808
1809 mptsas_del_device_component_by_os(ioc, starget->channel,
1810 starget->id);
1811
1812
1813 if (starget->channel == MPTSAS_RAID_CHANNEL)
1814 goto out;
1815
1816 rphy = dev_to_rphy(starget->dev.parent);
1817 list_for_each_entry(p, &ioc->sas_topology, list) {
1818 for (i = 0; i < p->num_phys; i++) {
1819 if (p->phy_info[i].attached.sas_address !=
1820 rphy->identify.sas_address)
1821 continue;
1822
1823 starget_printk(KERN_INFO, starget, MYIOC_s_FMT
1824 "delete device: fw_channel %d, fw_id %d, phy %d, "
1825 "sas_addr 0x%llx\n", ioc->name,
1826 p->phy_info[i].attached.channel,
1827 p->phy_info[i].attached.id,
1828 p->phy_info[i].attached.phy_id, (unsigned long long)
1829 p->phy_info[i].attached.sas_address);
1830
1831 mptsas_set_starget(&p->phy_info[i], NULL);
1832 }
1833 }
1834
1835 out:
1836 vtarget->starget = NULL;
1837 kfree(starget->hostdata);
1838 starget->hostdata = NULL;
1839 }
1840
1841
1842 static int
mptsas_slave_alloc(struct scsi_device * sdev)1843 mptsas_slave_alloc(struct scsi_device *sdev)
1844 {
1845 struct Scsi_Host *host = sdev->host;
1846 MPT_SCSI_HOST *hd = shost_priv(host);
1847 struct sas_rphy *rphy;
1848 struct mptsas_portinfo *p;
1849 VirtDevice *vdevice;
1850 struct scsi_target *starget;
1851 int i;
1852 MPT_ADAPTER *ioc = hd->ioc;
1853
1854 vdevice = kzalloc(sizeof(VirtDevice), GFP_KERNEL);
1855 if (!vdevice) {
1856 printk(MYIOC_s_ERR_FMT "slave_alloc kzalloc(%zd) FAILED!\n",
1857 ioc->name, sizeof(VirtDevice));
1858 return -ENOMEM;
1859 }
1860 starget = scsi_target(sdev);
1861 vdevice->vtarget = starget->hostdata;
1862
1863 if (sdev->channel == MPTSAS_RAID_CHANNEL)
1864 goto out;
1865
1866 rphy = dev_to_rphy(sdev->sdev_target->dev.parent);
1867 mutex_lock(&ioc->sas_topology_mutex);
1868 list_for_each_entry(p, &ioc->sas_topology, list) {
1869 for (i = 0; i < p->num_phys; i++) {
1870 if (p->phy_info[i].attached.sas_address !=
1871 rphy->identify.sas_address)
1872 continue;
1873 vdevice->lun = sdev->lun;
1874 /*
1875 * Exposing hidden raid components
1876 */
1877 if (mptscsih_is_phys_disk(ioc,
1878 p->phy_info[i].attached.channel,
1879 p->phy_info[i].attached.id))
1880 sdev->no_uld_attach = 1;
1881 mutex_unlock(&ioc->sas_topology_mutex);
1882 goto out;
1883 }
1884 }
1885 mutex_unlock(&ioc->sas_topology_mutex);
1886
1887 kfree(vdevice);
1888 return -ENXIO;
1889
1890 out:
1891 vdevice->vtarget->num_luns++;
1892 sdev->hostdata = vdevice;
1893 return 0;
1894 }
1895
1896 static int
mptsas_qcmd(struct Scsi_Host * shost,struct scsi_cmnd * SCpnt)1897 mptsas_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *SCpnt)
1898 {
1899 MPT_SCSI_HOST *hd;
1900 MPT_ADAPTER *ioc;
1901 VirtDevice *vdevice = SCpnt->device->hostdata;
1902
1903 if (!vdevice || !vdevice->vtarget || vdevice->vtarget->deleted) {
1904 SCpnt->result = DID_NO_CONNECT << 16;
1905 SCpnt->scsi_done(SCpnt);
1906 return 0;
1907 }
1908
1909 hd = shost_priv(shost);
1910 ioc = hd->ioc;
1911
1912 if (ioc->sas_discovery_quiesce_io)
1913 return SCSI_MLQUEUE_HOST_BUSY;
1914
1915 if (ioc->debug_level & MPT_DEBUG_SCSI)
1916 scsi_print_command(SCpnt);
1917
1918 return mptscsih_qcmd(SCpnt);
1919 }
1920
1921 /**
1922 * mptsas_mptsas_eh_timed_out - resets the scsi_cmnd timeout
1923 * if the device under question is currently in the
1924 * device removal delay.
1925 * @sc: scsi command that the midlayer is about to time out
1926 *
1927 **/
mptsas_eh_timed_out(struct scsi_cmnd * sc)1928 static enum blk_eh_timer_return mptsas_eh_timed_out(struct scsi_cmnd *sc)
1929 {
1930 MPT_SCSI_HOST *hd;
1931 MPT_ADAPTER *ioc;
1932 VirtDevice *vdevice;
1933 enum blk_eh_timer_return rc = BLK_EH_NOT_HANDLED;
1934
1935 hd = shost_priv(sc->device->host);
1936 if (hd == NULL) {
1937 printk(KERN_ERR MYNAM ": %s: Can't locate host! (sc=%p)\n",
1938 __func__, sc);
1939 goto done;
1940 }
1941
1942 ioc = hd->ioc;
1943 if (ioc->bus_type != SAS) {
1944 printk(KERN_ERR MYNAM ": %s: Wrong bus type (sc=%p)\n",
1945 __func__, sc);
1946 goto done;
1947 }
1948
1949 /* In case if IOC is in reset from internal context.
1950 * Do not execute EEH for the same IOC. SML should to reset timer.
1951 */
1952 if (ioc->ioc_reset_in_progress) {
1953 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT ": %s: ioc is in reset,"
1954 "SML need to reset the timer (sc=%p)\n",
1955 ioc->name, __func__, sc));
1956 rc = BLK_EH_RESET_TIMER;
1957 }
1958 vdevice = sc->device->hostdata;
1959 if (vdevice && vdevice->vtarget && (vdevice->vtarget->inDMD
1960 || vdevice->vtarget->deleted)) {
1961 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT ": %s: target removed "
1962 "or in device removal delay (sc=%p)\n",
1963 ioc->name, __func__, sc));
1964 rc = BLK_EH_RESET_TIMER;
1965 goto done;
1966 }
1967
1968 done:
1969 return rc;
1970 }
1971
1972
1973 static struct scsi_host_template mptsas_driver_template = {
1974 .module = THIS_MODULE,
1975 .proc_name = "mptsas",
1976 .show_info = mptscsih_show_info,
1977 .name = "MPT SAS Host",
1978 .info = mptscsih_info,
1979 .queuecommand = mptsas_qcmd,
1980 .target_alloc = mptsas_target_alloc,
1981 .slave_alloc = mptsas_slave_alloc,
1982 .slave_configure = mptsas_slave_configure,
1983 .target_destroy = mptsas_target_destroy,
1984 .slave_destroy = mptscsih_slave_destroy,
1985 .change_queue_depth = mptscsih_change_queue_depth,
1986 .eh_timed_out = mptsas_eh_timed_out,
1987 .eh_abort_handler = mptscsih_abort,
1988 .eh_device_reset_handler = mptscsih_dev_reset,
1989 .eh_host_reset_handler = mptscsih_host_reset,
1990 .bios_param = mptscsih_bios_param,
1991 .can_queue = MPT_SAS_CAN_QUEUE,
1992 .this_id = -1,
1993 .sg_tablesize = MPT_SCSI_SG_DEPTH,
1994 .max_sectors = 8192,
1995 .cmd_per_lun = 7,
1996 .use_clustering = ENABLE_CLUSTERING,
1997 .shost_attrs = mptscsih_host_attrs,
1998 .no_write_same = 1,
1999 };
2000
mptsas_get_linkerrors(struct sas_phy * phy)2001 static int mptsas_get_linkerrors(struct sas_phy *phy)
2002 {
2003 MPT_ADAPTER *ioc = phy_to_ioc(phy);
2004 ConfigExtendedPageHeader_t hdr;
2005 CONFIGPARMS cfg;
2006 SasPhyPage1_t *buffer;
2007 dma_addr_t dma_handle;
2008 int error;
2009
2010 /* FIXME: only have link errors on local phys */
2011 if (!scsi_is_sas_phy_local(phy))
2012 return -EINVAL;
2013
2014 hdr.PageVersion = MPI_SASPHY1_PAGEVERSION;
2015 hdr.ExtPageLength = 0;
2016 hdr.PageNumber = 1 /* page number 1*/;
2017 hdr.Reserved1 = 0;
2018 hdr.Reserved2 = 0;
2019 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2020 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY;
2021
2022 cfg.cfghdr.ehdr = &hdr;
2023 cfg.physAddr = -1;
2024 cfg.pageAddr = phy->identify.phy_identifier;
2025 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2026 cfg.dir = 0; /* read */
2027 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2028
2029 error = mpt_config(ioc, &cfg);
2030 if (error)
2031 return error;
2032 if (!hdr.ExtPageLength)
2033 return -ENXIO;
2034
2035 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2036 &dma_handle);
2037 if (!buffer)
2038 return -ENOMEM;
2039
2040 cfg.physAddr = dma_handle;
2041 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2042
2043 error = mpt_config(ioc, &cfg);
2044 if (error)
2045 goto out_free_consistent;
2046
2047 mptsas_print_phy_pg1(ioc, buffer);
2048
2049 phy->invalid_dword_count = le32_to_cpu(buffer->InvalidDwordCount);
2050 phy->running_disparity_error_count =
2051 le32_to_cpu(buffer->RunningDisparityErrorCount);
2052 phy->loss_of_dword_sync_count =
2053 le32_to_cpu(buffer->LossDwordSynchCount);
2054 phy->phy_reset_problem_count =
2055 le32_to_cpu(buffer->PhyResetProblemCount);
2056
2057 out_free_consistent:
2058 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2059 buffer, dma_handle);
2060 return error;
2061 }
2062
mptsas_mgmt_done(MPT_ADAPTER * ioc,MPT_FRAME_HDR * req,MPT_FRAME_HDR * reply)2063 static int mptsas_mgmt_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2064 MPT_FRAME_HDR *reply)
2065 {
2066 ioc->sas_mgmt.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2067 if (reply != NULL) {
2068 ioc->sas_mgmt.status |= MPT_MGMT_STATUS_RF_VALID;
2069 memcpy(ioc->sas_mgmt.reply, reply,
2070 min(ioc->reply_sz, 4 * reply->u.reply.MsgLength));
2071 }
2072
2073 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_PENDING) {
2074 ioc->sas_mgmt.status &= ~MPT_MGMT_STATUS_PENDING;
2075 complete(&ioc->sas_mgmt.done);
2076 return 1;
2077 }
2078 return 0;
2079 }
2080
mptsas_phy_reset(struct sas_phy * phy,int hard_reset)2081 static int mptsas_phy_reset(struct sas_phy *phy, int hard_reset)
2082 {
2083 MPT_ADAPTER *ioc = phy_to_ioc(phy);
2084 SasIoUnitControlRequest_t *req;
2085 SasIoUnitControlReply_t *reply;
2086 MPT_FRAME_HDR *mf;
2087 MPIHeader_t *hdr;
2088 unsigned long timeleft;
2089 int error = -ERESTARTSYS;
2090
2091 /* FIXME: fusion doesn't allow non-local phy reset */
2092 if (!scsi_is_sas_phy_local(phy))
2093 return -EINVAL;
2094
2095 /* not implemented for expanders */
2096 if (phy->identify.target_port_protocols & SAS_PROTOCOL_SMP)
2097 return -ENXIO;
2098
2099 if (mutex_lock_interruptible(&ioc->sas_mgmt.mutex))
2100 goto out;
2101
2102 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
2103 if (!mf) {
2104 error = -ENOMEM;
2105 goto out_unlock;
2106 }
2107
2108 hdr = (MPIHeader_t *) mf;
2109 req = (SasIoUnitControlRequest_t *)mf;
2110 memset(req, 0, sizeof(SasIoUnitControlRequest_t));
2111 req->Function = MPI_FUNCTION_SAS_IO_UNIT_CONTROL;
2112 req->MsgContext = hdr->MsgContext;
2113 req->Operation = hard_reset ?
2114 MPI_SAS_OP_PHY_HARD_RESET : MPI_SAS_OP_PHY_LINK_RESET;
2115 req->PhyNum = phy->identify.phy_identifier;
2116
2117 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status)
2118 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
2119
2120 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done,
2121 10 * HZ);
2122 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2123 error = -ETIME;
2124 mpt_free_msg_frame(ioc, mf);
2125 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
2126 goto out_unlock;
2127 if (!timeleft)
2128 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2129 goto out_unlock;
2130 }
2131
2132 /* a reply frame is expected */
2133 if ((ioc->sas_mgmt.status &
2134 MPT_MGMT_STATUS_RF_VALID) == 0) {
2135 error = -ENXIO;
2136 goto out_unlock;
2137 }
2138
2139 /* process the completed Reply Message Frame */
2140 reply = (SasIoUnitControlReply_t *)ioc->sas_mgmt.reply;
2141 if (reply->IOCStatus != MPI_IOCSTATUS_SUCCESS) {
2142 printk(MYIOC_s_INFO_FMT "%s: IOCStatus=0x%X IOCLogInfo=0x%X\n",
2143 ioc->name, __func__, reply->IOCStatus, reply->IOCLogInfo);
2144 error = -ENXIO;
2145 goto out_unlock;
2146 }
2147
2148 error = 0;
2149
2150 out_unlock:
2151 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status)
2152 mutex_unlock(&ioc->sas_mgmt.mutex);
2153 out:
2154 return error;
2155 }
2156
2157 static int
mptsas_get_enclosure_identifier(struct sas_rphy * rphy,u64 * identifier)2158 mptsas_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier)
2159 {
2160 MPT_ADAPTER *ioc = rphy_to_ioc(rphy);
2161 int i, error;
2162 struct mptsas_portinfo *p;
2163 struct mptsas_enclosure enclosure_info;
2164 u64 enclosure_handle;
2165
2166 mutex_lock(&ioc->sas_topology_mutex);
2167 list_for_each_entry(p, &ioc->sas_topology, list) {
2168 for (i = 0; i < p->num_phys; i++) {
2169 if (p->phy_info[i].attached.sas_address ==
2170 rphy->identify.sas_address) {
2171 enclosure_handle = p->phy_info[i].
2172 attached.handle_enclosure;
2173 goto found_info;
2174 }
2175 }
2176 }
2177 mutex_unlock(&ioc->sas_topology_mutex);
2178 return -ENXIO;
2179
2180 found_info:
2181 mutex_unlock(&ioc->sas_topology_mutex);
2182 memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure));
2183 error = mptsas_sas_enclosure_pg0(ioc, &enclosure_info,
2184 (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE <<
2185 MPI_SAS_ENCLOS_PGAD_FORM_SHIFT), enclosure_handle);
2186 if (!error)
2187 *identifier = enclosure_info.enclosure_logical_id;
2188 return error;
2189 }
2190
2191 static int
mptsas_get_bay_identifier(struct sas_rphy * rphy)2192 mptsas_get_bay_identifier(struct sas_rphy *rphy)
2193 {
2194 MPT_ADAPTER *ioc = rphy_to_ioc(rphy);
2195 struct mptsas_portinfo *p;
2196 int i, rc;
2197
2198 mutex_lock(&ioc->sas_topology_mutex);
2199 list_for_each_entry(p, &ioc->sas_topology, list) {
2200 for (i = 0; i < p->num_phys; i++) {
2201 if (p->phy_info[i].attached.sas_address ==
2202 rphy->identify.sas_address) {
2203 rc = p->phy_info[i].attached.slot;
2204 goto out;
2205 }
2206 }
2207 }
2208 rc = -ENXIO;
2209 out:
2210 mutex_unlock(&ioc->sas_topology_mutex);
2211 return rc;
2212 }
2213
mptsas_smp_handler(struct bsg_job * job,struct Scsi_Host * shost,struct sas_rphy * rphy)2214 static void mptsas_smp_handler(struct bsg_job *job, struct Scsi_Host *shost,
2215 struct sas_rphy *rphy)
2216 {
2217 MPT_ADAPTER *ioc = ((MPT_SCSI_HOST *) shost->hostdata)->ioc;
2218 MPT_FRAME_HDR *mf;
2219 SmpPassthroughRequest_t *smpreq;
2220 int flagsLength;
2221 unsigned long timeleft;
2222 char *psge;
2223 u64 sas_address = 0;
2224 unsigned int reslen = 0;
2225 int ret = -EINVAL;
2226
2227 /* do we need to support multiple segments? */
2228 if (job->request_payload.sg_cnt > 1 ||
2229 job->reply_payload.sg_cnt > 1) {
2230 printk(MYIOC_s_ERR_FMT "%s: multiple segments req %u, rsp %u\n",
2231 ioc->name, __func__, job->request_payload.payload_len,
2232 job->reply_payload.payload_len);
2233 goto out;
2234 }
2235
2236 ret = mutex_lock_interruptible(&ioc->sas_mgmt.mutex);
2237 if (ret)
2238 goto out;
2239
2240 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
2241 if (!mf) {
2242 ret = -ENOMEM;
2243 goto out_unlock;
2244 }
2245
2246 smpreq = (SmpPassthroughRequest_t *)mf;
2247 memset(smpreq, 0, sizeof(*smpreq));
2248
2249 smpreq->RequestDataLength =
2250 cpu_to_le16(job->request_payload.payload_len - 4);
2251 smpreq->Function = MPI_FUNCTION_SMP_PASSTHROUGH;
2252
2253 if (rphy)
2254 sas_address = rphy->identify.sas_address;
2255 else {
2256 struct mptsas_portinfo *port_info;
2257
2258 mutex_lock(&ioc->sas_topology_mutex);
2259 port_info = ioc->hba_port_info;
2260 if (port_info && port_info->phy_info)
2261 sas_address =
2262 port_info->phy_info[0].phy->identify.sas_address;
2263 mutex_unlock(&ioc->sas_topology_mutex);
2264 }
2265
2266 *((u64 *)&smpreq->SASAddress) = cpu_to_le64(sas_address);
2267
2268 psge = (char *)
2269 (((int *) mf) + (offsetof(SmpPassthroughRequest_t, SGL) / 4));
2270
2271 /* request */
2272 flagsLength = (MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2273 MPI_SGE_FLAGS_END_OF_BUFFER |
2274 MPI_SGE_FLAGS_DIRECTION)
2275 << MPI_SGE_FLAGS_SHIFT;
2276
2277 if (!dma_map_sg(&ioc->pcidev->dev, job->request_payload.sg_list,
2278 1, PCI_DMA_BIDIRECTIONAL))
2279 goto put_mf;
2280
2281 flagsLength |= (sg_dma_len(job->request_payload.sg_list) - 4);
2282 ioc->add_sge(psge, flagsLength,
2283 sg_dma_address(job->request_payload.sg_list));
2284 psge += ioc->SGE_size;
2285
2286 /* response */
2287 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2288 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
2289 MPI_SGE_FLAGS_IOC_TO_HOST |
2290 MPI_SGE_FLAGS_END_OF_BUFFER;
2291
2292 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT;
2293
2294 if (!dma_map_sg(&ioc->pcidev->dev, job->reply_payload.sg_list,
2295 1, PCI_DMA_BIDIRECTIONAL))
2296 goto unmap_out;
2297 flagsLength |= sg_dma_len(job->reply_payload.sg_list) + 4;
2298 ioc->add_sge(psge, flagsLength,
2299 sg_dma_address(job->reply_payload.sg_list));
2300
2301 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status)
2302 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
2303
2304 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done, 10 * HZ);
2305 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2306 ret = -ETIME;
2307 mpt_free_msg_frame(ioc, mf);
2308 mf = NULL;
2309 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
2310 goto unmap_in;
2311 if (!timeleft)
2312 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2313 goto unmap_in;
2314 }
2315 mf = NULL;
2316
2317 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_RF_VALID) {
2318 SmpPassthroughReply_t *smprep;
2319
2320 smprep = (SmpPassthroughReply_t *)ioc->sas_mgmt.reply;
2321 memcpy(job->reply, smprep, sizeof(*smprep));
2322 job->reply_len = sizeof(*smprep);
2323 reslen = smprep->ResponseDataLength;
2324 } else {
2325 printk(MYIOC_s_ERR_FMT
2326 "%s: smp passthru reply failed to be returned\n",
2327 ioc->name, __func__);
2328 ret = -ENXIO;
2329 }
2330
2331 unmap_in:
2332 dma_unmap_sg(&ioc->pcidev->dev, job->reply_payload.sg_list, 1,
2333 PCI_DMA_BIDIRECTIONAL);
2334 unmap_out:
2335 dma_unmap_sg(&ioc->pcidev->dev, job->request_payload.sg_list, 1,
2336 PCI_DMA_BIDIRECTIONAL);
2337 put_mf:
2338 if (mf)
2339 mpt_free_msg_frame(ioc, mf);
2340 out_unlock:
2341 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status)
2342 mutex_unlock(&ioc->sas_mgmt.mutex);
2343 out:
2344 bsg_job_done(job, ret, reslen);
2345 }
2346
2347 static struct sas_function_template mptsas_transport_functions = {
2348 .get_linkerrors = mptsas_get_linkerrors,
2349 .get_enclosure_identifier = mptsas_get_enclosure_identifier,
2350 .get_bay_identifier = mptsas_get_bay_identifier,
2351 .phy_reset = mptsas_phy_reset,
2352 .smp_handler = mptsas_smp_handler,
2353 };
2354
2355 static struct scsi_transport_template *mptsas_transport_template;
2356
2357 static int
mptsas_sas_io_unit_pg0(MPT_ADAPTER * ioc,struct mptsas_portinfo * port_info)2358 mptsas_sas_io_unit_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
2359 {
2360 ConfigExtendedPageHeader_t hdr;
2361 CONFIGPARMS cfg;
2362 SasIOUnitPage0_t *buffer;
2363 dma_addr_t dma_handle;
2364 int error, i;
2365
2366 hdr.PageVersion = MPI_SASIOUNITPAGE0_PAGEVERSION;
2367 hdr.ExtPageLength = 0;
2368 hdr.PageNumber = 0;
2369 hdr.Reserved1 = 0;
2370 hdr.Reserved2 = 0;
2371 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2372 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
2373
2374 cfg.cfghdr.ehdr = &hdr;
2375 cfg.physAddr = -1;
2376 cfg.pageAddr = 0;
2377 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2378 cfg.dir = 0; /* read */
2379 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2380
2381 error = mpt_config(ioc, &cfg);
2382 if (error)
2383 goto out;
2384 if (!hdr.ExtPageLength) {
2385 error = -ENXIO;
2386 goto out;
2387 }
2388
2389 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2390 &dma_handle);
2391 if (!buffer) {
2392 error = -ENOMEM;
2393 goto out;
2394 }
2395
2396 cfg.physAddr = dma_handle;
2397 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2398
2399 error = mpt_config(ioc, &cfg);
2400 if (error)
2401 goto out_free_consistent;
2402
2403 port_info->num_phys = buffer->NumPhys;
2404 port_info->phy_info = kcalloc(port_info->num_phys,
2405 sizeof(struct mptsas_phyinfo), GFP_KERNEL);
2406 if (!port_info->phy_info) {
2407 error = -ENOMEM;
2408 goto out_free_consistent;
2409 }
2410
2411 ioc->nvdata_version_persistent =
2412 le16_to_cpu(buffer->NvdataVersionPersistent);
2413 ioc->nvdata_version_default =
2414 le16_to_cpu(buffer->NvdataVersionDefault);
2415
2416 for (i = 0; i < port_info->num_phys; i++) {
2417 mptsas_print_phy_data(ioc, &buffer->PhyData[i]);
2418 port_info->phy_info[i].phy_id = i;
2419 port_info->phy_info[i].port_id =
2420 buffer->PhyData[i].Port;
2421 port_info->phy_info[i].negotiated_link_rate =
2422 buffer->PhyData[i].NegotiatedLinkRate;
2423 port_info->phy_info[i].portinfo = port_info;
2424 port_info->phy_info[i].handle =
2425 le16_to_cpu(buffer->PhyData[i].ControllerDevHandle);
2426 }
2427
2428 out_free_consistent:
2429 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2430 buffer, dma_handle);
2431 out:
2432 return error;
2433 }
2434
2435 static int
mptsas_sas_io_unit_pg1(MPT_ADAPTER * ioc)2436 mptsas_sas_io_unit_pg1(MPT_ADAPTER *ioc)
2437 {
2438 ConfigExtendedPageHeader_t hdr;
2439 CONFIGPARMS cfg;
2440 SasIOUnitPage1_t *buffer;
2441 dma_addr_t dma_handle;
2442 int error;
2443 u8 device_missing_delay;
2444
2445 memset(&hdr, 0, sizeof(ConfigExtendedPageHeader_t));
2446 memset(&cfg, 0, sizeof(CONFIGPARMS));
2447
2448 cfg.cfghdr.ehdr = &hdr;
2449 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2450 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2451 cfg.cfghdr.ehdr->PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2452 cfg.cfghdr.ehdr->ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
2453 cfg.cfghdr.ehdr->PageVersion = MPI_SASIOUNITPAGE1_PAGEVERSION;
2454 cfg.cfghdr.ehdr->PageNumber = 1;
2455
2456 error = mpt_config(ioc, &cfg);
2457 if (error)
2458 goto out;
2459 if (!hdr.ExtPageLength) {
2460 error = -ENXIO;
2461 goto out;
2462 }
2463
2464 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2465 &dma_handle);
2466 if (!buffer) {
2467 error = -ENOMEM;
2468 goto out;
2469 }
2470
2471 cfg.physAddr = dma_handle;
2472 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2473
2474 error = mpt_config(ioc, &cfg);
2475 if (error)
2476 goto out_free_consistent;
2477
2478 ioc->io_missing_delay =
2479 le16_to_cpu(buffer->IODeviceMissingDelay);
2480 device_missing_delay = buffer->ReportDeviceMissingDelay;
2481 ioc->device_missing_delay = (device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_UNIT_16) ?
2482 (device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16 :
2483 device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
2484
2485 out_free_consistent:
2486 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2487 buffer, dma_handle);
2488 out:
2489 return error;
2490 }
2491
2492 static int
mptsas_sas_phy_pg0(MPT_ADAPTER * ioc,struct mptsas_phyinfo * phy_info,u32 form,u32 form_specific)2493 mptsas_sas_phy_pg0(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
2494 u32 form, u32 form_specific)
2495 {
2496 ConfigExtendedPageHeader_t hdr;
2497 CONFIGPARMS cfg;
2498 SasPhyPage0_t *buffer;
2499 dma_addr_t dma_handle;
2500 int error;
2501
2502 hdr.PageVersion = MPI_SASPHY0_PAGEVERSION;
2503 hdr.ExtPageLength = 0;
2504 hdr.PageNumber = 0;
2505 hdr.Reserved1 = 0;
2506 hdr.Reserved2 = 0;
2507 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2508 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY;
2509
2510 cfg.cfghdr.ehdr = &hdr;
2511 cfg.dir = 0; /* read */
2512 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2513
2514 /* Get Phy Pg 0 for each Phy. */
2515 cfg.physAddr = -1;
2516 cfg.pageAddr = form + form_specific;
2517 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2518
2519 error = mpt_config(ioc, &cfg);
2520 if (error)
2521 goto out;
2522
2523 if (!hdr.ExtPageLength) {
2524 error = -ENXIO;
2525 goto out;
2526 }
2527
2528 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2529 &dma_handle);
2530 if (!buffer) {
2531 error = -ENOMEM;
2532 goto out;
2533 }
2534
2535 cfg.physAddr = dma_handle;
2536 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2537
2538 error = mpt_config(ioc, &cfg);
2539 if (error)
2540 goto out_free_consistent;
2541
2542 mptsas_print_phy_pg0(ioc, buffer);
2543
2544 phy_info->hw_link_rate = buffer->HwLinkRate;
2545 phy_info->programmed_link_rate = buffer->ProgrammedLinkRate;
2546 phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle);
2547 phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle);
2548
2549 out_free_consistent:
2550 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2551 buffer, dma_handle);
2552 out:
2553 return error;
2554 }
2555
2556 static int
mptsas_sas_device_pg0(MPT_ADAPTER * ioc,struct mptsas_devinfo * device_info,u32 form,u32 form_specific)2557 mptsas_sas_device_pg0(MPT_ADAPTER *ioc, struct mptsas_devinfo *device_info,
2558 u32 form, u32 form_specific)
2559 {
2560 ConfigExtendedPageHeader_t hdr;
2561 CONFIGPARMS cfg;
2562 SasDevicePage0_t *buffer;
2563 dma_addr_t dma_handle;
2564 __le64 sas_address;
2565 int error=0;
2566
2567 hdr.PageVersion = MPI_SASDEVICE0_PAGEVERSION;
2568 hdr.ExtPageLength = 0;
2569 hdr.PageNumber = 0;
2570 hdr.Reserved1 = 0;
2571 hdr.Reserved2 = 0;
2572 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2573 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE;
2574
2575 cfg.cfghdr.ehdr = &hdr;
2576 cfg.pageAddr = form + form_specific;
2577 cfg.physAddr = -1;
2578 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2579 cfg.dir = 0; /* read */
2580 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2581
2582 memset(device_info, 0, sizeof(struct mptsas_devinfo));
2583 error = mpt_config(ioc, &cfg);
2584 if (error)
2585 goto out;
2586 if (!hdr.ExtPageLength) {
2587 error = -ENXIO;
2588 goto out;
2589 }
2590
2591 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2592 &dma_handle);
2593 if (!buffer) {
2594 error = -ENOMEM;
2595 goto out;
2596 }
2597
2598 cfg.physAddr = dma_handle;
2599 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2600
2601 error = mpt_config(ioc, &cfg);
2602
2603 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
2604 error = -ENODEV;
2605 goto out_free_consistent;
2606 }
2607
2608 if (error)
2609 goto out_free_consistent;
2610
2611 mptsas_print_device_pg0(ioc, buffer);
2612
2613 memset(device_info, 0, sizeof(struct mptsas_devinfo));
2614 device_info->handle = le16_to_cpu(buffer->DevHandle);
2615 device_info->handle_parent = le16_to_cpu(buffer->ParentDevHandle);
2616 device_info->handle_enclosure =
2617 le16_to_cpu(buffer->EnclosureHandle);
2618 device_info->slot = le16_to_cpu(buffer->Slot);
2619 device_info->phy_id = buffer->PhyNum;
2620 device_info->port_id = buffer->PhysicalPort;
2621 device_info->id = buffer->TargetID;
2622 device_info->phys_disk_num = ~0;
2623 device_info->channel = buffer->Bus;
2624 memcpy(&sas_address, &buffer->SASAddress, sizeof(__le64));
2625 device_info->sas_address = le64_to_cpu(sas_address);
2626 device_info->device_info =
2627 le32_to_cpu(buffer->DeviceInfo);
2628 device_info->flags = le16_to_cpu(buffer->Flags);
2629
2630 out_free_consistent:
2631 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2632 buffer, dma_handle);
2633 out:
2634 return error;
2635 }
2636
2637 static int
mptsas_sas_expander_pg0(MPT_ADAPTER * ioc,struct mptsas_portinfo * port_info,u32 form,u32 form_specific)2638 mptsas_sas_expander_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info,
2639 u32 form, u32 form_specific)
2640 {
2641 ConfigExtendedPageHeader_t hdr;
2642 CONFIGPARMS cfg;
2643 SasExpanderPage0_t *buffer;
2644 dma_addr_t dma_handle;
2645 int i, error;
2646 __le64 sas_address;
2647
2648 memset(port_info, 0, sizeof(struct mptsas_portinfo));
2649 hdr.PageVersion = MPI_SASEXPANDER0_PAGEVERSION;
2650 hdr.ExtPageLength = 0;
2651 hdr.PageNumber = 0;
2652 hdr.Reserved1 = 0;
2653 hdr.Reserved2 = 0;
2654 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2655 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
2656
2657 cfg.cfghdr.ehdr = &hdr;
2658 cfg.physAddr = -1;
2659 cfg.pageAddr = form + form_specific;
2660 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2661 cfg.dir = 0; /* read */
2662 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2663
2664 memset(port_info, 0, sizeof(struct mptsas_portinfo));
2665 error = mpt_config(ioc, &cfg);
2666 if (error)
2667 goto out;
2668
2669 if (!hdr.ExtPageLength) {
2670 error = -ENXIO;
2671 goto out;
2672 }
2673
2674 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2675 &dma_handle);
2676 if (!buffer) {
2677 error = -ENOMEM;
2678 goto out;
2679 }
2680
2681 cfg.physAddr = dma_handle;
2682 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2683
2684 error = mpt_config(ioc, &cfg);
2685 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
2686 error = -ENODEV;
2687 goto out_free_consistent;
2688 }
2689
2690 if (error)
2691 goto out_free_consistent;
2692
2693 /* save config data */
2694 port_info->num_phys = (buffer->NumPhys) ? buffer->NumPhys : 1;
2695 port_info->phy_info = kcalloc(port_info->num_phys,
2696 sizeof(struct mptsas_phyinfo), GFP_KERNEL);
2697 if (!port_info->phy_info) {
2698 error = -ENOMEM;
2699 goto out_free_consistent;
2700 }
2701
2702 memcpy(&sas_address, &buffer->SASAddress, sizeof(__le64));
2703 for (i = 0; i < port_info->num_phys; i++) {
2704 port_info->phy_info[i].portinfo = port_info;
2705 port_info->phy_info[i].handle =
2706 le16_to_cpu(buffer->DevHandle);
2707 port_info->phy_info[i].identify.sas_address =
2708 le64_to_cpu(sas_address);
2709 port_info->phy_info[i].identify.handle_parent =
2710 le16_to_cpu(buffer->ParentDevHandle);
2711 }
2712
2713 out_free_consistent:
2714 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2715 buffer, dma_handle);
2716 out:
2717 return error;
2718 }
2719
2720 static int
mptsas_sas_expander_pg1(MPT_ADAPTER * ioc,struct mptsas_phyinfo * phy_info,u32 form,u32 form_specific)2721 mptsas_sas_expander_pg1(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
2722 u32 form, u32 form_specific)
2723 {
2724 ConfigExtendedPageHeader_t hdr;
2725 CONFIGPARMS cfg;
2726 SasExpanderPage1_t *buffer;
2727 dma_addr_t dma_handle;
2728 int error=0;
2729
2730 hdr.PageVersion = MPI_SASEXPANDER1_PAGEVERSION;
2731 hdr.ExtPageLength = 0;
2732 hdr.PageNumber = 1;
2733 hdr.Reserved1 = 0;
2734 hdr.Reserved2 = 0;
2735 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2736 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
2737
2738 cfg.cfghdr.ehdr = &hdr;
2739 cfg.physAddr = -1;
2740 cfg.pageAddr = form + form_specific;
2741 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2742 cfg.dir = 0; /* read */
2743 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2744
2745 error = mpt_config(ioc, &cfg);
2746 if (error)
2747 goto out;
2748
2749 if (!hdr.ExtPageLength) {
2750 error = -ENXIO;
2751 goto out;
2752 }
2753
2754 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2755 &dma_handle);
2756 if (!buffer) {
2757 error = -ENOMEM;
2758 goto out;
2759 }
2760
2761 cfg.physAddr = dma_handle;
2762 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2763
2764 error = mpt_config(ioc, &cfg);
2765
2766 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
2767 error = -ENODEV;
2768 goto out_free_consistent;
2769 }
2770
2771 if (error)
2772 goto out_free_consistent;
2773
2774
2775 mptsas_print_expander_pg1(ioc, buffer);
2776
2777 /* save config data */
2778 phy_info->phy_id = buffer->PhyIdentifier;
2779 phy_info->port_id = buffer->PhysicalPort;
2780 phy_info->negotiated_link_rate = buffer->NegotiatedLinkRate;
2781 phy_info->programmed_link_rate = buffer->ProgrammedLinkRate;
2782 phy_info->hw_link_rate = buffer->HwLinkRate;
2783 phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle);
2784 phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle);
2785
2786 out_free_consistent:
2787 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2788 buffer, dma_handle);
2789 out:
2790 return error;
2791 }
2792
2793 struct rep_manu_request{
2794 u8 smp_frame_type;
2795 u8 function;
2796 u8 reserved;
2797 u8 request_length;
2798 };
2799
2800 struct rep_manu_reply{
2801 u8 smp_frame_type; /* 0x41 */
2802 u8 function; /* 0x01 */
2803 u8 function_result;
2804 u8 response_length;
2805 u16 expander_change_count;
2806 u8 reserved0[2];
2807 u8 sas_format:1;
2808 u8 reserved1:7;
2809 u8 reserved2[3];
2810 u8 vendor_id[SAS_EXPANDER_VENDOR_ID_LEN];
2811 u8 product_id[SAS_EXPANDER_PRODUCT_ID_LEN];
2812 u8 product_rev[SAS_EXPANDER_PRODUCT_REV_LEN];
2813 u8 component_vendor_id[SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN];
2814 u16 component_id;
2815 u8 component_revision_id;
2816 u8 reserved3;
2817 u8 vendor_specific[8];
2818 };
2819
2820 /**
2821 * mptsas_exp_repmanufacture_info -
2822 * @ioc: per adapter object
2823 * @sas_address: expander sas address
2824 * @edev: the sas_expander_device object
2825 *
2826 * Fills in the sas_expander_device object when SMP port is created.
2827 *
2828 * Returns 0 for success, non-zero for failure.
2829 */
2830 static int
mptsas_exp_repmanufacture_info(MPT_ADAPTER * ioc,u64 sas_address,struct sas_expander_device * edev)2831 mptsas_exp_repmanufacture_info(MPT_ADAPTER *ioc,
2832 u64 sas_address, struct sas_expander_device *edev)
2833 {
2834 MPT_FRAME_HDR *mf;
2835 SmpPassthroughRequest_t *smpreq;
2836 SmpPassthroughReply_t *smprep;
2837 struct rep_manu_reply *manufacture_reply;
2838 struct rep_manu_request *manufacture_request;
2839 int ret;
2840 int flagsLength;
2841 unsigned long timeleft;
2842 char *psge;
2843 unsigned long flags;
2844 void *data_out = NULL;
2845 dma_addr_t data_out_dma = 0;
2846 u32 sz;
2847
2848 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2849 if (ioc->ioc_reset_in_progress) {
2850 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2851 printk(MYIOC_s_INFO_FMT "%s: host reset in progress!\n",
2852 __func__, ioc->name);
2853 return -EFAULT;
2854 }
2855 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2856
2857 ret = mutex_lock_interruptible(&ioc->sas_mgmt.mutex);
2858 if (ret)
2859 goto out;
2860
2861 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
2862 if (!mf) {
2863 ret = -ENOMEM;
2864 goto out_unlock;
2865 }
2866
2867 smpreq = (SmpPassthroughRequest_t *)mf;
2868 memset(smpreq, 0, sizeof(*smpreq));
2869
2870 sz = sizeof(struct rep_manu_request) + sizeof(struct rep_manu_reply);
2871
2872 data_out = pci_alloc_consistent(ioc->pcidev, sz, &data_out_dma);
2873 if (!data_out) {
2874 printk(KERN_ERR "Memory allocation failure at %s:%d/%s()!\n",
2875 __FILE__, __LINE__, __func__);
2876 ret = -ENOMEM;
2877 goto put_mf;
2878 }
2879
2880 manufacture_request = data_out;
2881 manufacture_request->smp_frame_type = 0x40;
2882 manufacture_request->function = 1;
2883 manufacture_request->reserved = 0;
2884 manufacture_request->request_length = 0;
2885
2886 smpreq->Function = MPI_FUNCTION_SMP_PASSTHROUGH;
2887 smpreq->PhysicalPort = 0xFF;
2888 *((u64 *)&smpreq->SASAddress) = cpu_to_le64(sas_address);
2889 smpreq->RequestDataLength = sizeof(struct rep_manu_request);
2890
2891 psge = (char *)
2892 (((int *) mf) + (offsetof(SmpPassthroughRequest_t, SGL) / 4));
2893
2894 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2895 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
2896 MPI_SGE_FLAGS_HOST_TO_IOC |
2897 MPI_SGE_FLAGS_END_OF_BUFFER;
2898 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT;
2899 flagsLength |= sizeof(struct rep_manu_request);
2900
2901 ioc->add_sge(psge, flagsLength, data_out_dma);
2902 psge += ioc->SGE_size;
2903
2904 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2905 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
2906 MPI_SGE_FLAGS_IOC_TO_HOST |
2907 MPI_SGE_FLAGS_END_OF_BUFFER;
2908 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT;
2909 flagsLength |= sizeof(struct rep_manu_reply);
2910 ioc->add_sge(psge, flagsLength, data_out_dma +
2911 sizeof(struct rep_manu_request));
2912
2913 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status)
2914 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
2915
2916 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done, 10 * HZ);
2917 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2918 ret = -ETIME;
2919 mpt_free_msg_frame(ioc, mf);
2920 mf = NULL;
2921 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
2922 goto out_free;
2923 if (!timeleft)
2924 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2925 goto out_free;
2926 }
2927
2928 mf = NULL;
2929
2930 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_RF_VALID) {
2931 u8 *tmp;
2932
2933 smprep = (SmpPassthroughReply_t *)ioc->sas_mgmt.reply;
2934 if (le16_to_cpu(smprep->ResponseDataLength) !=
2935 sizeof(struct rep_manu_reply))
2936 goto out_free;
2937
2938 manufacture_reply = data_out + sizeof(struct rep_manu_request);
2939 strncpy(edev->vendor_id, manufacture_reply->vendor_id,
2940 SAS_EXPANDER_VENDOR_ID_LEN);
2941 strncpy(edev->product_id, manufacture_reply->product_id,
2942 SAS_EXPANDER_PRODUCT_ID_LEN);
2943 strncpy(edev->product_rev, manufacture_reply->product_rev,
2944 SAS_EXPANDER_PRODUCT_REV_LEN);
2945 edev->level = manufacture_reply->sas_format;
2946 if (manufacture_reply->sas_format) {
2947 strncpy(edev->component_vendor_id,
2948 manufacture_reply->component_vendor_id,
2949 SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN);
2950 tmp = (u8 *)&manufacture_reply->component_id;
2951 edev->component_id = tmp[0] << 8 | tmp[1];
2952 edev->component_revision_id =
2953 manufacture_reply->component_revision_id;
2954 }
2955 } else {
2956 printk(MYIOC_s_ERR_FMT
2957 "%s: smp passthru reply failed to be returned\n",
2958 ioc->name, __func__);
2959 ret = -ENXIO;
2960 }
2961 out_free:
2962 if (data_out_dma)
2963 pci_free_consistent(ioc->pcidev, sz, data_out, data_out_dma);
2964 put_mf:
2965 if (mf)
2966 mpt_free_msg_frame(ioc, mf);
2967 out_unlock:
2968 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status)
2969 mutex_unlock(&ioc->sas_mgmt.mutex);
2970 out:
2971 return ret;
2972 }
2973
2974 static void
mptsas_parse_device_info(struct sas_identify * identify,struct mptsas_devinfo * device_info)2975 mptsas_parse_device_info(struct sas_identify *identify,
2976 struct mptsas_devinfo *device_info)
2977 {
2978 u16 protocols;
2979
2980 identify->sas_address = device_info->sas_address;
2981 identify->phy_identifier = device_info->phy_id;
2982
2983 /*
2984 * Fill in Phy Initiator Port Protocol.
2985 * Bits 6:3, more than one bit can be set, fall through cases.
2986 */
2987 protocols = device_info->device_info & 0x78;
2988 identify->initiator_port_protocols = 0;
2989 if (protocols & MPI_SAS_DEVICE_INFO_SSP_INITIATOR)
2990 identify->initiator_port_protocols |= SAS_PROTOCOL_SSP;
2991 if (protocols & MPI_SAS_DEVICE_INFO_STP_INITIATOR)
2992 identify->initiator_port_protocols |= SAS_PROTOCOL_STP;
2993 if (protocols & MPI_SAS_DEVICE_INFO_SMP_INITIATOR)
2994 identify->initiator_port_protocols |= SAS_PROTOCOL_SMP;
2995 if (protocols & MPI_SAS_DEVICE_INFO_SATA_HOST)
2996 identify->initiator_port_protocols |= SAS_PROTOCOL_SATA;
2997
2998 /*
2999 * Fill in Phy Target Port Protocol.
3000 * Bits 10:7, more than one bit can be set, fall through cases.
3001 */
3002 protocols = device_info->device_info & 0x780;
3003 identify->target_port_protocols = 0;
3004 if (protocols & MPI_SAS_DEVICE_INFO_SSP_TARGET)
3005 identify->target_port_protocols |= SAS_PROTOCOL_SSP;
3006 if (protocols & MPI_SAS_DEVICE_INFO_STP_TARGET)
3007 identify->target_port_protocols |= SAS_PROTOCOL_STP;
3008 if (protocols & MPI_SAS_DEVICE_INFO_SMP_TARGET)
3009 identify->target_port_protocols |= SAS_PROTOCOL_SMP;
3010 if (protocols & MPI_SAS_DEVICE_INFO_SATA_DEVICE)
3011 identify->target_port_protocols |= SAS_PROTOCOL_SATA;
3012
3013 /*
3014 * Fill in Attached device type.
3015 */
3016 switch (device_info->device_info &
3017 MPI_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) {
3018 case MPI_SAS_DEVICE_INFO_NO_DEVICE:
3019 identify->device_type = SAS_PHY_UNUSED;
3020 break;
3021 case MPI_SAS_DEVICE_INFO_END_DEVICE:
3022 identify->device_type = SAS_END_DEVICE;
3023 break;
3024 case MPI_SAS_DEVICE_INFO_EDGE_EXPANDER:
3025 identify->device_type = SAS_EDGE_EXPANDER_DEVICE;
3026 break;
3027 case MPI_SAS_DEVICE_INFO_FANOUT_EXPANDER:
3028 identify->device_type = SAS_FANOUT_EXPANDER_DEVICE;
3029 break;
3030 }
3031 }
3032
mptsas_probe_one_phy(struct device * dev,struct mptsas_phyinfo * phy_info,int index,int local)3033 static int mptsas_probe_one_phy(struct device *dev,
3034 struct mptsas_phyinfo *phy_info, int index, int local)
3035 {
3036 MPT_ADAPTER *ioc;
3037 struct sas_phy *phy;
3038 struct sas_port *port;
3039 int error = 0;
3040 VirtTarget *vtarget;
3041
3042 if (!dev) {
3043 error = -ENODEV;
3044 goto out;
3045 }
3046
3047 if (!phy_info->phy) {
3048 phy = sas_phy_alloc(dev, index);
3049 if (!phy) {
3050 error = -ENOMEM;
3051 goto out;
3052 }
3053 } else
3054 phy = phy_info->phy;
3055
3056 mptsas_parse_device_info(&phy->identify, &phy_info->identify);
3057
3058 /*
3059 * Set Negotiated link rate.
3060 */
3061 switch (phy_info->negotiated_link_rate) {
3062 case MPI_SAS_IOUNIT0_RATE_PHY_DISABLED:
3063 phy->negotiated_linkrate = SAS_PHY_DISABLED;
3064 break;
3065 case MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION:
3066 phy->negotiated_linkrate = SAS_LINK_RATE_FAILED;
3067 break;
3068 case MPI_SAS_IOUNIT0_RATE_1_5:
3069 phy->negotiated_linkrate = SAS_LINK_RATE_1_5_GBPS;
3070 break;
3071 case MPI_SAS_IOUNIT0_RATE_3_0:
3072 phy->negotiated_linkrate = SAS_LINK_RATE_3_0_GBPS;
3073 break;
3074 case MPI_SAS_IOUNIT0_RATE_6_0:
3075 phy->negotiated_linkrate = SAS_LINK_RATE_6_0_GBPS;
3076 break;
3077 case MPI_SAS_IOUNIT0_RATE_SATA_OOB_COMPLETE:
3078 case MPI_SAS_IOUNIT0_RATE_UNKNOWN:
3079 default:
3080 phy->negotiated_linkrate = SAS_LINK_RATE_UNKNOWN;
3081 break;
3082 }
3083
3084 /*
3085 * Set Max hardware link rate.
3086 */
3087 switch (phy_info->hw_link_rate & MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) {
3088 case MPI_SAS_PHY0_HWRATE_MAX_RATE_1_5:
3089 phy->maximum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3090 break;
3091 case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0:
3092 phy->maximum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS;
3093 break;
3094 default:
3095 break;
3096 }
3097
3098 /*
3099 * Set Max programmed link rate.
3100 */
3101 switch (phy_info->programmed_link_rate &
3102 MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) {
3103 case MPI_SAS_PHY0_PRATE_MAX_RATE_1_5:
3104 phy->maximum_linkrate = SAS_LINK_RATE_1_5_GBPS;
3105 break;
3106 case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0:
3107 phy->maximum_linkrate = SAS_LINK_RATE_3_0_GBPS;
3108 break;
3109 default:
3110 break;
3111 }
3112
3113 /*
3114 * Set Min hardware link rate.
3115 */
3116 switch (phy_info->hw_link_rate & MPI_SAS_PHY0_HWRATE_MIN_RATE_MASK) {
3117 case MPI_SAS_PHY0_HWRATE_MIN_RATE_1_5:
3118 phy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3119 break;
3120 case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0:
3121 phy->minimum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS;
3122 break;
3123 default:
3124 break;
3125 }
3126
3127 /*
3128 * Set Min programmed link rate.
3129 */
3130 switch (phy_info->programmed_link_rate &
3131 MPI_SAS_PHY0_PRATE_MIN_RATE_MASK) {
3132 case MPI_SAS_PHY0_PRATE_MIN_RATE_1_5:
3133 phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
3134 break;
3135 case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0:
3136 phy->minimum_linkrate = SAS_LINK_RATE_3_0_GBPS;
3137 break;
3138 default:
3139 break;
3140 }
3141
3142 if (!phy_info->phy) {
3143
3144 error = sas_phy_add(phy);
3145 if (error) {
3146 sas_phy_free(phy);
3147 goto out;
3148 }
3149 phy_info->phy = phy;
3150 }
3151
3152 if (!phy_info->attached.handle ||
3153 !phy_info->port_details)
3154 goto out;
3155
3156 port = mptsas_get_port(phy_info);
3157 ioc = phy_to_ioc(phy_info->phy);
3158
3159 if (phy_info->sas_port_add_phy) {
3160
3161 if (!port) {
3162 port = sas_port_alloc_num(dev);
3163 if (!port) {
3164 error = -ENOMEM;
3165 goto out;
3166 }
3167 error = sas_port_add(port);
3168 if (error) {
3169 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3170 "%s: exit at line=%d\n", ioc->name,
3171 __func__, __LINE__));
3172 goto out;
3173 }
3174 mptsas_set_port(ioc, phy_info, port);
3175 devtprintk(ioc, dev_printk(KERN_DEBUG, &port->dev,
3176 MYIOC_s_FMT "add port %d, sas_addr (0x%llx)\n",
3177 ioc->name, port->port_identifier,
3178 (unsigned long long)phy_info->
3179 attached.sas_address));
3180 }
3181 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3182 "sas_port_add_phy: phy_id=%d\n",
3183 ioc->name, phy_info->phy_id));
3184 sas_port_add_phy(port, phy_info->phy);
3185 phy_info->sas_port_add_phy = 0;
3186 devtprintk(ioc, dev_printk(KERN_DEBUG, &phy_info->phy->dev,
3187 MYIOC_s_FMT "add phy %d, phy-obj (0x%p)\n", ioc->name,
3188 phy_info->phy_id, phy_info->phy));
3189 }
3190 if (!mptsas_get_rphy(phy_info) && port && !port->rphy) {
3191
3192 struct sas_rphy *rphy;
3193 struct device *parent;
3194 struct sas_identify identify;
3195
3196 parent = dev->parent->parent;
3197 /*
3198 * Let the hotplug_work thread handle processing
3199 * the adding/removing of devices that occur
3200 * after start of day.
3201 */
3202 if (mptsas_is_end_device(&phy_info->attached) &&
3203 phy_info->attached.handle_parent) {
3204 goto out;
3205 }
3206
3207 mptsas_parse_device_info(&identify, &phy_info->attached);
3208 if (scsi_is_host_device(parent)) {
3209 struct mptsas_portinfo *port_info;
3210 int i;
3211
3212 port_info = ioc->hba_port_info;
3213
3214 for (i = 0; i < port_info->num_phys; i++)
3215 if (port_info->phy_info[i].identify.sas_address ==
3216 identify.sas_address) {
3217 sas_port_mark_backlink(port);
3218 goto out;
3219 }
3220
3221 } else if (scsi_is_sas_rphy(parent)) {
3222 struct sas_rphy *parent_rphy = dev_to_rphy(parent);
3223 if (identify.sas_address ==
3224 parent_rphy->identify.sas_address) {
3225 sas_port_mark_backlink(port);
3226 goto out;
3227 }
3228 }
3229
3230 switch (identify.device_type) {
3231 case SAS_END_DEVICE:
3232 rphy = sas_end_device_alloc(port);
3233 break;
3234 case SAS_EDGE_EXPANDER_DEVICE:
3235 case SAS_FANOUT_EXPANDER_DEVICE:
3236 rphy = sas_expander_alloc(port, identify.device_type);
3237 break;
3238 default:
3239 rphy = NULL;
3240 break;
3241 }
3242 if (!rphy) {
3243 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3244 "%s: exit at line=%d\n", ioc->name,
3245 __func__, __LINE__));
3246 goto out;
3247 }
3248
3249 rphy->identify = identify;
3250 error = sas_rphy_add(rphy);
3251 if (error) {
3252 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3253 "%s: exit at line=%d\n", ioc->name,
3254 __func__, __LINE__));
3255 sas_rphy_free(rphy);
3256 goto out;
3257 }
3258 mptsas_set_rphy(ioc, phy_info, rphy);
3259 if (identify.device_type == SAS_EDGE_EXPANDER_DEVICE ||
3260 identify.device_type == SAS_FANOUT_EXPANDER_DEVICE)
3261 mptsas_exp_repmanufacture_info(ioc,
3262 identify.sas_address,
3263 rphy_to_expander_device(rphy));
3264 }
3265
3266 /* If the device exists,verify it wasn't previously flagged
3267 as a missing device. If so, clear it */
3268 vtarget = mptsas_find_vtarget(ioc,
3269 phy_info->attached.channel,
3270 phy_info->attached.id);
3271 if (vtarget && vtarget->inDMD) {
3272 printk(KERN_INFO "Device returned, unsetting inDMD\n");
3273 vtarget->inDMD = 0;
3274 }
3275
3276 out:
3277 return error;
3278 }
3279
3280 static int
mptsas_probe_hba_phys(MPT_ADAPTER * ioc)3281 mptsas_probe_hba_phys(MPT_ADAPTER *ioc)
3282 {
3283 struct mptsas_portinfo *port_info, *hba;
3284 int error = -ENOMEM, i;
3285
3286 hba = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
3287 if (! hba)
3288 goto out;
3289
3290 error = mptsas_sas_io_unit_pg0(ioc, hba);
3291 if (error)
3292 goto out_free_port_info;
3293
3294 mptsas_sas_io_unit_pg1(ioc);
3295 mutex_lock(&ioc->sas_topology_mutex);
3296 port_info = ioc->hba_port_info;
3297 if (!port_info) {
3298 ioc->hba_port_info = port_info = hba;
3299 ioc->hba_port_num_phy = port_info->num_phys;
3300 list_add_tail(&port_info->list, &ioc->sas_topology);
3301 } else {
3302 for (i = 0; i < hba->num_phys; i++) {
3303 port_info->phy_info[i].negotiated_link_rate =
3304 hba->phy_info[i].negotiated_link_rate;
3305 port_info->phy_info[i].handle =
3306 hba->phy_info[i].handle;
3307 port_info->phy_info[i].port_id =
3308 hba->phy_info[i].port_id;
3309 }
3310 kfree(hba->phy_info);
3311 kfree(hba);
3312 hba = NULL;
3313 }
3314 mutex_unlock(&ioc->sas_topology_mutex);
3315 #if defined(CPQ_CIM)
3316 ioc->num_ports = port_info->num_phys;
3317 #endif
3318 for (i = 0; i < port_info->num_phys; i++) {
3319 mptsas_sas_phy_pg0(ioc, &port_info->phy_info[i],
3320 (MPI_SAS_PHY_PGAD_FORM_PHY_NUMBER <<
3321 MPI_SAS_PHY_PGAD_FORM_SHIFT), i);
3322 port_info->phy_info[i].identify.handle =
3323 port_info->phy_info[i].handle;
3324 mptsas_sas_device_pg0(ioc, &port_info->phy_info[i].identify,
3325 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3326 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3327 port_info->phy_info[i].identify.handle);
3328 if (!ioc->hba_port_sas_addr)
3329 ioc->hba_port_sas_addr =
3330 port_info->phy_info[i].identify.sas_address;
3331 port_info->phy_info[i].identify.phy_id =
3332 port_info->phy_info[i].phy_id = i;
3333 if (port_info->phy_info[i].attached.handle)
3334 mptsas_sas_device_pg0(ioc,
3335 &port_info->phy_info[i].attached,
3336 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3337 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3338 port_info->phy_info[i].attached.handle);
3339 }
3340
3341 mptsas_setup_wide_ports(ioc, port_info);
3342
3343 for (i = 0; i < port_info->num_phys; i++, ioc->sas_index++)
3344 mptsas_probe_one_phy(&ioc->sh->shost_gendev,
3345 &port_info->phy_info[i], ioc->sas_index, 1);
3346
3347 return 0;
3348
3349 out_free_port_info:
3350 kfree(hba);
3351 out:
3352 return error;
3353 }
3354
3355 static void
mptsas_expander_refresh(MPT_ADAPTER * ioc,struct mptsas_portinfo * port_info)3356 mptsas_expander_refresh(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
3357 {
3358 struct mptsas_portinfo *parent;
3359 struct device *parent_dev;
3360 struct sas_rphy *rphy;
3361 int i;
3362 u64 sas_address; /* expander sas address */
3363 u32 handle;
3364
3365 handle = port_info->phy_info[0].handle;
3366 sas_address = port_info->phy_info[0].identify.sas_address;
3367 for (i = 0; i < port_info->num_phys; i++) {
3368 mptsas_sas_expander_pg1(ioc, &port_info->phy_info[i],
3369 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE_PHY_NUM <<
3370 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), (i << 16) + handle);
3371
3372 mptsas_sas_device_pg0(ioc,
3373 &port_info->phy_info[i].identify,
3374 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3375 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3376 port_info->phy_info[i].identify.handle);
3377 port_info->phy_info[i].identify.phy_id =
3378 port_info->phy_info[i].phy_id;
3379
3380 if (port_info->phy_info[i].attached.handle) {
3381 mptsas_sas_device_pg0(ioc,
3382 &port_info->phy_info[i].attached,
3383 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3384 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3385 port_info->phy_info[i].attached.handle);
3386 port_info->phy_info[i].attached.phy_id =
3387 port_info->phy_info[i].phy_id;
3388 }
3389 }
3390
3391 mutex_lock(&ioc->sas_topology_mutex);
3392 parent = mptsas_find_portinfo_by_handle(ioc,
3393 port_info->phy_info[0].identify.handle_parent);
3394 if (!parent) {
3395 mutex_unlock(&ioc->sas_topology_mutex);
3396 return;
3397 }
3398 for (i = 0, parent_dev = NULL; i < parent->num_phys && !parent_dev;
3399 i++) {
3400 if (parent->phy_info[i].attached.sas_address == sas_address) {
3401 rphy = mptsas_get_rphy(&parent->phy_info[i]);
3402 parent_dev = &rphy->dev;
3403 }
3404 }
3405 mutex_unlock(&ioc->sas_topology_mutex);
3406
3407 mptsas_setup_wide_ports(ioc, port_info);
3408 for (i = 0; i < port_info->num_phys; i++, ioc->sas_index++)
3409 mptsas_probe_one_phy(parent_dev, &port_info->phy_info[i],
3410 ioc->sas_index, 0);
3411 }
3412
3413 static void
mptsas_expander_event_add(MPT_ADAPTER * ioc,MpiEventDataSasExpanderStatusChange_t * expander_data)3414 mptsas_expander_event_add(MPT_ADAPTER *ioc,
3415 MpiEventDataSasExpanderStatusChange_t *expander_data)
3416 {
3417 struct mptsas_portinfo *port_info;
3418 int i;
3419 __le64 sas_address;
3420
3421 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
3422 if (!port_info)
3423 BUG();
3424 port_info->num_phys = (expander_data->NumPhys) ?
3425 expander_data->NumPhys : 1;
3426 port_info->phy_info = kcalloc(port_info->num_phys,
3427 sizeof(struct mptsas_phyinfo), GFP_KERNEL);
3428 if (!port_info->phy_info)
3429 BUG();
3430 memcpy(&sas_address, &expander_data->SASAddress, sizeof(__le64));
3431 for (i = 0; i < port_info->num_phys; i++) {
3432 port_info->phy_info[i].portinfo = port_info;
3433 port_info->phy_info[i].handle =
3434 le16_to_cpu(expander_data->DevHandle);
3435 port_info->phy_info[i].identify.sas_address =
3436 le64_to_cpu(sas_address);
3437 port_info->phy_info[i].identify.handle_parent =
3438 le16_to_cpu(expander_data->ParentDevHandle);
3439 }
3440
3441 mutex_lock(&ioc->sas_topology_mutex);
3442 list_add_tail(&port_info->list, &ioc->sas_topology);
3443 mutex_unlock(&ioc->sas_topology_mutex);
3444
3445 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, "
3446 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3447 (unsigned long long)sas_address);
3448
3449 mptsas_expander_refresh(ioc, port_info);
3450 }
3451
3452 /**
3453 * mptsas_delete_expander_siblings - remove siblings attached to expander
3454 * @ioc: Pointer to MPT_ADAPTER structure
3455 * @parent: the parent port_info object
3456 * @expander: the expander port_info object
3457 **/
3458 static void
mptsas_delete_expander_siblings(MPT_ADAPTER * ioc,struct mptsas_portinfo * parent,struct mptsas_portinfo * expander)3459 mptsas_delete_expander_siblings(MPT_ADAPTER *ioc, struct mptsas_portinfo
3460 *parent, struct mptsas_portinfo *expander)
3461 {
3462 struct mptsas_phyinfo *phy_info;
3463 struct mptsas_portinfo *port_info;
3464 struct sas_rphy *rphy;
3465 int i;
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 == SAS_END_DEVICE)
3473 mptsas_del_end_device(ioc, phy_info);
3474 }
3475
3476 phy_info = expander->phy_info;
3477 for (i = 0; i < expander->num_phys; i++, phy_info++) {
3478 rphy = mptsas_get_rphy(phy_info);
3479 if (!rphy)
3480 continue;
3481 if (rphy->identify.device_type ==
3482 MPI_SAS_DEVICE_INFO_EDGE_EXPANDER ||
3483 rphy->identify.device_type ==
3484 MPI_SAS_DEVICE_INFO_FANOUT_EXPANDER) {
3485 port_info = mptsas_find_portinfo_by_sas_address(ioc,
3486 rphy->identify.sas_address);
3487 if (!port_info)
3488 continue;
3489 if (port_info == parent) /* backlink rphy */
3490 continue;
3491 /*
3492 Delete this expander even if the expdevpage is exists
3493 because the parent expander is already deleted
3494 */
3495 mptsas_expander_delete(ioc, port_info, 1);
3496 }
3497 }
3498 }
3499
3500
3501 /**
3502 * mptsas_expander_delete - remove this expander
3503 * @ioc: Pointer to MPT_ADAPTER structure
3504 * @port_info: expander port_info struct
3505 * @force: Flag to forcefully delete the expander
3506 *
3507 **/
3508
mptsas_expander_delete(MPT_ADAPTER * ioc,struct mptsas_portinfo * port_info,u8 force)3509 static void mptsas_expander_delete(MPT_ADAPTER *ioc,
3510 struct mptsas_portinfo *port_info, u8 force)
3511 {
3512
3513 struct mptsas_portinfo *parent;
3514 int i;
3515 u64 expander_sas_address;
3516 struct mptsas_phyinfo *phy_info;
3517 struct mptsas_portinfo buffer;
3518 struct mptsas_portinfo_details *port_details;
3519 struct sas_port *port;
3520
3521 if (!port_info)
3522 return;
3523
3524 /* see if expander is still there before deleting */
3525 mptsas_sas_expander_pg0(ioc, &buffer,
3526 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE <<
3527 MPI_SAS_EXPAND_PGAD_FORM_SHIFT),
3528 port_info->phy_info[0].identify.handle);
3529
3530 if (buffer.num_phys) {
3531 kfree(buffer.phy_info);
3532 if (!force)
3533 return;
3534 }
3535
3536
3537 /*
3538 * Obtain the port_info instance to the parent port
3539 */
3540 port_details = NULL;
3541 expander_sas_address =
3542 port_info->phy_info[0].identify.sas_address;
3543 parent = mptsas_find_portinfo_by_handle(ioc,
3544 port_info->phy_info[0].identify.handle_parent);
3545 mptsas_delete_expander_siblings(ioc, parent, port_info);
3546 if (!parent)
3547 goto out;
3548
3549 /*
3550 * Delete rphys in the parent that point
3551 * to this expander.
3552 */
3553 phy_info = parent->phy_info;
3554 port = NULL;
3555 for (i = 0; i < parent->num_phys; i++, phy_info++) {
3556 if (!phy_info->phy)
3557 continue;
3558 if (phy_info->attached.sas_address !=
3559 expander_sas_address)
3560 continue;
3561 if (!port) {
3562 port = mptsas_get_port(phy_info);
3563 port_details = phy_info->port_details;
3564 }
3565 dev_printk(KERN_DEBUG, &phy_info->phy->dev,
3566 MYIOC_s_FMT "delete phy %d, phy-obj (0x%p)\n", ioc->name,
3567 phy_info->phy_id, phy_info->phy);
3568 sas_port_delete_phy(port, phy_info->phy);
3569 }
3570 if (port) {
3571 dev_printk(KERN_DEBUG, &port->dev,
3572 MYIOC_s_FMT "delete port %d, sas_addr (0x%llx)\n",
3573 ioc->name, port->port_identifier,
3574 (unsigned long long)expander_sas_address);
3575 sas_port_delete(port);
3576 mptsas_port_delete(ioc, port_details);
3577 }
3578 out:
3579
3580 printk(MYIOC_s_INFO_FMT "delete expander: num_phys %d, "
3581 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3582 (unsigned long long)expander_sas_address);
3583
3584 /*
3585 * free link
3586 */
3587 list_del(&port_info->list);
3588 kfree(port_info->phy_info);
3589 kfree(port_info);
3590 }
3591
3592
3593 /**
3594 * mptsas_send_expander_event - expanders events
3595 * @ioc: Pointer to MPT_ADAPTER structure
3596 * @expander_data: event data
3597 *
3598 *
3599 * This function handles adding, removing, and refreshing
3600 * device handles within the expander objects.
3601 */
3602 static void
mptsas_send_expander_event(struct fw_event_work * fw_event)3603 mptsas_send_expander_event(struct fw_event_work *fw_event)
3604 {
3605 MPT_ADAPTER *ioc;
3606 MpiEventDataSasExpanderStatusChange_t *expander_data;
3607 struct mptsas_portinfo *port_info;
3608 __le64 sas_address;
3609 int i;
3610
3611 ioc = fw_event->ioc;
3612 expander_data = (MpiEventDataSasExpanderStatusChange_t *)
3613 fw_event->event_data;
3614 memcpy(&sas_address, &expander_data->SASAddress, sizeof(__le64));
3615 sas_address = le64_to_cpu(sas_address);
3616 port_info = mptsas_find_portinfo_by_sas_address(ioc, sas_address);
3617
3618 if (expander_data->ReasonCode == MPI_EVENT_SAS_EXP_RC_ADDED) {
3619 if (port_info) {
3620 for (i = 0; i < port_info->num_phys; i++) {
3621 port_info->phy_info[i].portinfo = port_info;
3622 port_info->phy_info[i].handle =
3623 le16_to_cpu(expander_data->DevHandle);
3624 port_info->phy_info[i].identify.sas_address =
3625 le64_to_cpu(sas_address);
3626 port_info->phy_info[i].identify.handle_parent =
3627 le16_to_cpu(expander_data->ParentDevHandle);
3628 }
3629 mptsas_expander_refresh(ioc, port_info);
3630 } else if (!port_info && expander_data->NumPhys)
3631 mptsas_expander_event_add(ioc, expander_data);
3632 } else if (expander_data->ReasonCode ==
3633 MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING)
3634 mptsas_expander_delete(ioc, port_info, 0);
3635
3636 mptsas_free_fw_event(ioc, fw_event);
3637 }
3638
3639
3640 /**
3641 * mptsas_expander_add -
3642 * @ioc: Pointer to MPT_ADAPTER structure
3643 * @handle:
3644 *
3645 */
3646 static struct mptsas_portinfo *
mptsas_expander_add(MPT_ADAPTER * ioc,u16 handle)3647 mptsas_expander_add(MPT_ADAPTER *ioc, u16 handle)
3648 {
3649 struct mptsas_portinfo buffer, *port_info;
3650 int i;
3651
3652 if ((mptsas_sas_expander_pg0(ioc, &buffer,
3653 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE <<
3654 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle)))
3655 return NULL;
3656
3657 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_ATOMIC);
3658 if (!port_info) {
3659 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3660 "%s: exit at line=%d\n", ioc->name,
3661 __func__, __LINE__));
3662 return NULL;
3663 }
3664 port_info->num_phys = buffer.num_phys;
3665 port_info->phy_info = buffer.phy_info;
3666 for (i = 0; i < port_info->num_phys; i++)
3667 port_info->phy_info[i].portinfo = port_info;
3668 mutex_lock(&ioc->sas_topology_mutex);
3669 list_add_tail(&port_info->list, &ioc->sas_topology);
3670 mutex_unlock(&ioc->sas_topology_mutex);
3671 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, "
3672 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3673 (unsigned long long)buffer.phy_info[0].identify.sas_address);
3674 mptsas_expander_refresh(ioc, port_info);
3675 return port_info;
3676 }
3677
3678 static void
mptsas_send_link_status_event(struct fw_event_work * fw_event)3679 mptsas_send_link_status_event(struct fw_event_work *fw_event)
3680 {
3681 MPT_ADAPTER *ioc;
3682 MpiEventDataSasPhyLinkStatus_t *link_data;
3683 struct mptsas_portinfo *port_info;
3684 struct mptsas_phyinfo *phy_info = NULL;
3685 __le64 sas_address;
3686 u8 phy_num;
3687 u8 link_rate;
3688
3689 ioc = fw_event->ioc;
3690 link_data = (MpiEventDataSasPhyLinkStatus_t *)fw_event->event_data;
3691
3692 memcpy(&sas_address, &link_data->SASAddress, sizeof(__le64));
3693 sas_address = le64_to_cpu(sas_address);
3694 link_rate = link_data->LinkRates >> 4;
3695 phy_num = link_data->PhyNum;
3696
3697 port_info = mptsas_find_portinfo_by_sas_address(ioc, sas_address);
3698 if (port_info) {
3699 phy_info = &port_info->phy_info[phy_num];
3700 if (phy_info)
3701 phy_info->negotiated_link_rate = link_rate;
3702 }
3703
3704 if (link_rate == MPI_SAS_IOUNIT0_RATE_1_5 ||
3705 link_rate == MPI_SAS_IOUNIT0_RATE_3_0 ||
3706 link_rate == MPI_SAS_IOUNIT0_RATE_6_0) {
3707
3708 if (!port_info) {
3709 if (ioc->old_sas_discovery_protocal) {
3710 port_info = mptsas_expander_add(ioc,
3711 le16_to_cpu(link_data->DevHandle));
3712 if (port_info)
3713 goto out;
3714 }
3715 goto out;
3716 }
3717
3718 if (port_info == ioc->hba_port_info)
3719 mptsas_probe_hba_phys(ioc);
3720 else
3721 mptsas_expander_refresh(ioc, port_info);
3722 } else if (phy_info && phy_info->phy) {
3723 if (link_rate == MPI_SAS_IOUNIT0_RATE_PHY_DISABLED)
3724 phy_info->phy->negotiated_linkrate =
3725 SAS_PHY_DISABLED;
3726 else if (link_rate ==
3727 MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION)
3728 phy_info->phy->negotiated_linkrate =
3729 SAS_LINK_RATE_FAILED;
3730 else {
3731 phy_info->phy->negotiated_linkrate =
3732 SAS_LINK_RATE_UNKNOWN;
3733 if (ioc->device_missing_delay &&
3734 mptsas_is_end_device(&phy_info->attached)) {
3735 struct scsi_device *sdev;
3736 VirtDevice *vdevice;
3737 u8 channel, id;
3738 id = phy_info->attached.id;
3739 channel = phy_info->attached.channel;
3740 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3741 "Link down for fw_id %d:fw_channel %d\n",
3742 ioc->name, phy_info->attached.id,
3743 phy_info->attached.channel));
3744
3745 shost_for_each_device(sdev, ioc->sh) {
3746 vdevice = sdev->hostdata;
3747 if ((vdevice == NULL) ||
3748 (vdevice->vtarget == NULL))
3749 continue;
3750 if ((vdevice->vtarget->tflags &
3751 MPT_TARGET_FLAGS_RAID_COMPONENT ||
3752 vdevice->vtarget->raidVolume))
3753 continue;
3754 if (vdevice->vtarget->id == id &&
3755 vdevice->vtarget->channel ==
3756 channel)
3757 devtprintk(ioc,
3758 printk(MYIOC_s_DEBUG_FMT
3759 "SDEV OUTSTANDING CMDS"
3760 "%d\n", ioc->name,
3761 atomic_read(&sdev->device_busy)));
3762 }
3763
3764 }
3765 }
3766 }
3767 out:
3768 mptsas_free_fw_event(ioc, fw_event);
3769 }
3770
3771 static void
mptsas_not_responding_devices(MPT_ADAPTER * ioc)3772 mptsas_not_responding_devices(MPT_ADAPTER *ioc)
3773 {
3774 struct mptsas_portinfo buffer, *port_info;
3775 struct mptsas_device_info *sas_info;
3776 struct mptsas_devinfo sas_device;
3777 u32 handle;
3778 VirtTarget *vtarget = NULL;
3779 struct mptsas_phyinfo *phy_info;
3780 u8 found_expander;
3781 int retval, retry_count;
3782 unsigned long flags;
3783
3784 mpt_findImVolumes(ioc);
3785
3786 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
3787 if (ioc->ioc_reset_in_progress) {
3788 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3789 "%s: exiting due to a parallel reset \n", ioc->name,
3790 __func__));
3791 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
3792 return;
3793 }
3794 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
3795
3796 /* devices, logical volumes */
3797 mutex_lock(&ioc->sas_device_info_mutex);
3798 redo_device_scan:
3799 list_for_each_entry(sas_info, &ioc->sas_device_info_list, list) {
3800 if (sas_info->is_cached)
3801 continue;
3802 if (!sas_info->is_logical_volume) {
3803 sas_device.handle = 0;
3804 retry_count = 0;
3805 retry_page:
3806 retval = mptsas_sas_device_pg0(ioc, &sas_device,
3807 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID
3808 << MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3809 (sas_info->fw.channel << 8) +
3810 sas_info->fw.id);
3811
3812 if (sas_device.handle)
3813 continue;
3814 if (retval == -EBUSY) {
3815 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
3816 if (ioc->ioc_reset_in_progress) {
3817 dfailprintk(ioc,
3818 printk(MYIOC_s_DEBUG_FMT
3819 "%s: exiting due to reset\n",
3820 ioc->name, __func__));
3821 spin_unlock_irqrestore
3822 (&ioc->taskmgmt_lock, flags);
3823 mutex_unlock(&ioc->
3824 sas_device_info_mutex);
3825 return;
3826 }
3827 spin_unlock_irqrestore(&ioc->taskmgmt_lock,
3828 flags);
3829 }
3830
3831 if (retval && (retval != -ENODEV)) {
3832 if (retry_count < 10) {
3833 retry_count++;
3834 goto retry_page;
3835 } else {
3836 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3837 "%s: Config page retry exceeded retry "
3838 "count deleting device 0x%llx\n",
3839 ioc->name, __func__,
3840 sas_info->sas_address));
3841 }
3842 }
3843
3844 /* delete device */
3845 vtarget = mptsas_find_vtarget(ioc,
3846 sas_info->fw.channel, sas_info->fw.id);
3847
3848 if (vtarget)
3849 vtarget->deleted = 1;
3850
3851 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
3852 sas_info->sas_address);
3853
3854 mptsas_del_end_device(ioc, phy_info);
3855 goto redo_device_scan;
3856 } else
3857 mptsas_volume_delete(ioc, sas_info->fw.id);
3858 }
3859 mutex_unlock(&ioc->sas_device_info_mutex);
3860
3861 /* expanders */
3862 mutex_lock(&ioc->sas_topology_mutex);
3863 redo_expander_scan:
3864 list_for_each_entry(port_info, &ioc->sas_topology, list) {
3865
3866 if (!(port_info->phy_info[0].identify.device_info &
3867 MPI_SAS_DEVICE_INFO_SMP_TARGET))
3868 continue;
3869 found_expander = 0;
3870 handle = 0xFFFF;
3871 while (!mptsas_sas_expander_pg0(ioc, &buffer,
3872 (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE <<
3873 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle) &&
3874 !found_expander) {
3875
3876 handle = buffer.phy_info[0].handle;
3877 if (buffer.phy_info[0].identify.sas_address ==
3878 port_info->phy_info[0].identify.sas_address) {
3879 found_expander = 1;
3880 }
3881 kfree(buffer.phy_info);
3882 }
3883
3884 if (!found_expander) {
3885 mptsas_expander_delete(ioc, port_info, 0);
3886 goto redo_expander_scan;
3887 }
3888 }
3889 mutex_unlock(&ioc->sas_topology_mutex);
3890 }
3891
3892 /**
3893 * mptsas_probe_expanders - adding expanders
3894 * @ioc: Pointer to MPT_ADAPTER structure
3895 *
3896 **/
3897 static void
mptsas_probe_expanders(MPT_ADAPTER * ioc)3898 mptsas_probe_expanders(MPT_ADAPTER *ioc)
3899 {
3900 struct mptsas_portinfo buffer, *port_info;
3901 u32 handle;
3902 int i;
3903
3904 handle = 0xFFFF;
3905 while (!mptsas_sas_expander_pg0(ioc, &buffer,
3906 (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE <<
3907 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle)) {
3908
3909 handle = buffer.phy_info[0].handle;
3910 port_info = mptsas_find_portinfo_by_sas_address(ioc,
3911 buffer.phy_info[0].identify.sas_address);
3912
3913 if (port_info) {
3914 /* refreshing handles */
3915 for (i = 0; i < buffer.num_phys; i++) {
3916 port_info->phy_info[i].handle = handle;
3917 port_info->phy_info[i].identify.handle_parent =
3918 buffer.phy_info[0].identify.handle_parent;
3919 }
3920 mptsas_expander_refresh(ioc, port_info);
3921 kfree(buffer.phy_info);
3922 continue;
3923 }
3924
3925 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
3926 if (!port_info) {
3927 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3928 "%s: exit at line=%d\n", ioc->name,
3929 __func__, __LINE__));
3930 return;
3931 }
3932 port_info->num_phys = buffer.num_phys;
3933 port_info->phy_info = buffer.phy_info;
3934 for (i = 0; i < port_info->num_phys; i++)
3935 port_info->phy_info[i].portinfo = port_info;
3936 mutex_lock(&ioc->sas_topology_mutex);
3937 list_add_tail(&port_info->list, &ioc->sas_topology);
3938 mutex_unlock(&ioc->sas_topology_mutex);
3939 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, "
3940 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3941 (unsigned long long)buffer.phy_info[0].identify.sas_address);
3942 mptsas_expander_refresh(ioc, port_info);
3943 }
3944 }
3945
3946 static void
mptsas_probe_devices(MPT_ADAPTER * ioc)3947 mptsas_probe_devices(MPT_ADAPTER *ioc)
3948 {
3949 u16 handle;
3950 struct mptsas_devinfo sas_device;
3951 struct mptsas_phyinfo *phy_info;
3952
3953 handle = 0xFFFF;
3954 while (!(mptsas_sas_device_pg0(ioc, &sas_device,
3955 MPI_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
3956
3957 handle = sas_device.handle;
3958
3959 if ((sas_device.device_info &
3960 (MPI_SAS_DEVICE_INFO_SSP_TARGET |
3961 MPI_SAS_DEVICE_INFO_STP_TARGET |
3962 MPI_SAS_DEVICE_INFO_SATA_DEVICE)) == 0)
3963 continue;
3964
3965 /* If there is no FW B_T mapping for this device then continue
3966 * */
3967 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
3968 || !(sas_device.flags &
3969 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
3970 continue;
3971
3972 phy_info = mptsas_refreshing_device_handles(ioc, &sas_device);
3973 if (!phy_info)
3974 continue;
3975
3976 if (mptsas_get_rphy(phy_info))
3977 continue;
3978
3979 mptsas_add_end_device(ioc, phy_info);
3980 }
3981 }
3982
3983 /**
3984 * mptsas_scan_sas_topology -
3985 * @ioc: Pointer to MPT_ADAPTER structure
3986 * @sas_address:
3987 *
3988 **/
3989 static void
mptsas_scan_sas_topology(MPT_ADAPTER * ioc)3990 mptsas_scan_sas_topology(MPT_ADAPTER *ioc)
3991 {
3992 struct scsi_device *sdev;
3993 int i;
3994
3995 mptsas_probe_hba_phys(ioc);
3996 mptsas_probe_expanders(ioc);
3997 mptsas_probe_devices(ioc);
3998
3999 /*
4000 Reporting RAID volumes.
4001 */
4002 if (!ioc->ir_firmware || !ioc->raid_data.pIocPg2 ||
4003 !ioc->raid_data.pIocPg2->NumActiveVolumes)
4004 return;
4005 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
4006 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL,
4007 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID, 0);
4008 if (sdev) {
4009 scsi_device_put(sdev);
4010 continue;
4011 }
4012 printk(MYIOC_s_INFO_FMT "attaching raid volume, channel %d, "
4013 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL,
4014 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID);
4015 scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL,
4016 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID, 0);
4017 }
4018 }
4019
4020
4021 static void
mptsas_handle_queue_full_event(struct fw_event_work * fw_event)4022 mptsas_handle_queue_full_event(struct fw_event_work *fw_event)
4023 {
4024 MPT_ADAPTER *ioc;
4025 EventDataQueueFull_t *qfull_data;
4026 struct mptsas_device_info *sas_info;
4027 struct scsi_device *sdev;
4028 int depth;
4029 int id = -1;
4030 int channel = -1;
4031 int fw_id, fw_channel;
4032 u16 current_depth;
4033
4034
4035 ioc = fw_event->ioc;
4036 qfull_data = (EventDataQueueFull_t *)fw_event->event_data;
4037 fw_id = qfull_data->TargetID;
4038 fw_channel = qfull_data->Bus;
4039 current_depth = le16_to_cpu(qfull_data->CurrentDepth);
4040
4041 /* if hidden raid component, look for the volume id */
4042 mutex_lock(&ioc->sas_device_info_mutex);
4043 if (mptscsih_is_phys_disk(ioc, fw_channel, fw_id)) {
4044 list_for_each_entry(sas_info, &ioc->sas_device_info_list,
4045 list) {
4046 if (sas_info->is_cached ||
4047 sas_info->is_logical_volume)
4048 continue;
4049 if (sas_info->is_hidden_raid_component &&
4050 (sas_info->fw.channel == fw_channel &&
4051 sas_info->fw.id == fw_id)) {
4052 id = sas_info->volume_id;
4053 channel = MPTSAS_RAID_CHANNEL;
4054 goto out;
4055 }
4056 }
4057 } else {
4058 list_for_each_entry(sas_info, &ioc->sas_device_info_list,
4059 list) {
4060 if (sas_info->is_cached ||
4061 sas_info->is_hidden_raid_component ||
4062 sas_info->is_logical_volume)
4063 continue;
4064 if (sas_info->fw.channel == fw_channel &&
4065 sas_info->fw.id == fw_id) {
4066 id = sas_info->os.id;
4067 channel = sas_info->os.channel;
4068 goto out;
4069 }
4070 }
4071
4072 }
4073
4074 out:
4075 mutex_unlock(&ioc->sas_device_info_mutex);
4076
4077 if (id != -1) {
4078 shost_for_each_device(sdev, ioc->sh) {
4079 if (sdev->id == id && sdev->channel == channel) {
4080 if (current_depth > sdev->queue_depth) {
4081 sdev_printk(KERN_INFO, sdev,
4082 "strange observation, the queue "
4083 "depth is (%d) meanwhile fw queue "
4084 "depth (%d)\n", sdev->queue_depth,
4085 current_depth);
4086 continue;
4087 }
4088 depth = scsi_track_queue_full(sdev,
4089 sdev->queue_depth - 1);
4090 if (depth > 0)
4091 sdev_printk(KERN_INFO, sdev,
4092 "Queue depth reduced to (%d)\n",
4093 depth);
4094 else if (depth < 0)
4095 sdev_printk(KERN_INFO, sdev,
4096 "Tagged Command Queueing is being "
4097 "disabled\n");
4098 else if (depth == 0)
4099 sdev_printk(KERN_DEBUG, sdev,
4100 "Queue depth not changed yet\n");
4101 }
4102 }
4103 }
4104
4105 mptsas_free_fw_event(ioc, fw_event);
4106 }
4107
4108
4109 static struct mptsas_phyinfo *
mptsas_find_phyinfo_by_sas_address(MPT_ADAPTER * ioc,u64 sas_address)4110 mptsas_find_phyinfo_by_sas_address(MPT_ADAPTER *ioc, u64 sas_address)
4111 {
4112 struct mptsas_portinfo *port_info;
4113 struct mptsas_phyinfo *phy_info = NULL;
4114 int i;
4115
4116 mutex_lock(&ioc->sas_topology_mutex);
4117 list_for_each_entry(port_info, &ioc->sas_topology, list) {
4118 for (i = 0; i < port_info->num_phys; i++) {
4119 if (!mptsas_is_end_device(
4120 &port_info->phy_info[i].attached))
4121 continue;
4122 if (port_info->phy_info[i].attached.sas_address
4123 != sas_address)
4124 continue;
4125 phy_info = &port_info->phy_info[i];
4126 break;
4127 }
4128 }
4129 mutex_unlock(&ioc->sas_topology_mutex);
4130 return phy_info;
4131 }
4132
4133 /**
4134 * mptsas_find_phyinfo_by_phys_disk_num -
4135 * @ioc: Pointer to MPT_ADAPTER structure
4136 * @phys_disk_num:
4137 * @channel:
4138 * @id:
4139 *
4140 **/
4141 static struct mptsas_phyinfo *
mptsas_find_phyinfo_by_phys_disk_num(MPT_ADAPTER * ioc,u8 phys_disk_num,u8 channel,u8 id)4142 mptsas_find_phyinfo_by_phys_disk_num(MPT_ADAPTER *ioc, u8 phys_disk_num,
4143 u8 channel, u8 id)
4144 {
4145 struct mptsas_phyinfo *phy_info = NULL;
4146 struct mptsas_portinfo *port_info;
4147 RaidPhysDiskPage1_t *phys_disk = NULL;
4148 int num_paths;
4149 u64 sas_address = 0;
4150 int i;
4151
4152 phy_info = NULL;
4153 if (!ioc->raid_data.pIocPg3)
4154 return NULL;
4155 /* dual port support */
4156 num_paths = mpt_raid_phys_disk_get_num_paths(ioc, phys_disk_num);
4157 if (!num_paths)
4158 goto out;
4159 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
4160 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
4161 if (!phys_disk)
4162 goto out;
4163 mpt_raid_phys_disk_pg1(ioc, phys_disk_num, phys_disk);
4164 for (i = 0; i < num_paths; i++) {
4165 if ((phys_disk->Path[i].Flags & 1) != 0)
4166 /* entry no longer valid */
4167 continue;
4168 if ((id == phys_disk->Path[i].PhysDiskID) &&
4169 (channel == phys_disk->Path[i].PhysDiskBus)) {
4170 memcpy(&sas_address, &phys_disk->Path[i].WWID,
4171 sizeof(u64));
4172 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4173 sas_address);
4174 goto out;
4175 }
4176 }
4177
4178 out:
4179 kfree(phys_disk);
4180 if (phy_info)
4181 return phy_info;
4182
4183 /*
4184 * Extra code to handle RAID0 case, where the sas_address is not updated
4185 * in phys_disk_page_1 when hotswapped
4186 */
4187 mutex_lock(&ioc->sas_topology_mutex);
4188 list_for_each_entry(port_info, &ioc->sas_topology, list) {
4189 for (i = 0; i < port_info->num_phys && !phy_info; i++) {
4190 if (!mptsas_is_end_device(
4191 &port_info->phy_info[i].attached))
4192 continue;
4193 if (port_info->phy_info[i].attached.phys_disk_num == ~0)
4194 continue;
4195 if ((port_info->phy_info[i].attached.phys_disk_num ==
4196 phys_disk_num) &&
4197 (port_info->phy_info[i].attached.id == id) &&
4198 (port_info->phy_info[i].attached.channel ==
4199 channel))
4200 phy_info = &port_info->phy_info[i];
4201 }
4202 }
4203 mutex_unlock(&ioc->sas_topology_mutex);
4204 return phy_info;
4205 }
4206
4207 static void
mptsas_reprobe_lun(struct scsi_device * sdev,void * data)4208 mptsas_reprobe_lun(struct scsi_device *sdev, void *data)
4209 {
4210 int rc;
4211
4212 sdev->no_uld_attach = data ? 1 : 0;
4213 rc = scsi_device_reprobe(sdev);
4214 }
4215
4216 static void
mptsas_reprobe_target(struct scsi_target * starget,int uld_attach)4217 mptsas_reprobe_target(struct scsi_target *starget, int uld_attach)
4218 {
4219 starget_for_each_device(starget, uld_attach ? (void *)1 : NULL,
4220 mptsas_reprobe_lun);
4221 }
4222
4223 static void
mptsas_adding_inactive_raid_components(MPT_ADAPTER * ioc,u8 channel,u8 id)4224 mptsas_adding_inactive_raid_components(MPT_ADAPTER *ioc, u8 channel, u8 id)
4225 {
4226 CONFIGPARMS cfg;
4227 ConfigPageHeader_t hdr;
4228 dma_addr_t dma_handle;
4229 pRaidVolumePage0_t buffer = NULL;
4230 RaidPhysDiskPage0_t phys_disk;
4231 int i;
4232 struct mptsas_phyinfo *phy_info;
4233 struct mptsas_devinfo sas_device;
4234
4235 memset(&cfg, 0 , sizeof(CONFIGPARMS));
4236 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
4237 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME;
4238 cfg.pageAddr = (channel << 8) + id;
4239 cfg.cfghdr.hdr = &hdr;
4240 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
4241 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
4242
4243 if (mpt_config(ioc, &cfg) != 0)
4244 goto out;
4245
4246 if (!hdr.PageLength)
4247 goto out;
4248
4249 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
4250 &dma_handle);
4251
4252 if (!buffer)
4253 goto out;
4254
4255 cfg.physAddr = dma_handle;
4256 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
4257
4258 if (mpt_config(ioc, &cfg) != 0)
4259 goto out;
4260
4261 if (!(buffer->VolumeStatus.Flags &
4262 MPI_RAIDVOL0_STATUS_FLAG_VOLUME_INACTIVE))
4263 goto out;
4264
4265 if (!buffer->NumPhysDisks)
4266 goto out;
4267
4268 for (i = 0; i < buffer->NumPhysDisks; i++) {
4269
4270 if (mpt_raid_phys_disk_pg0(ioc,
4271 buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0)
4272 continue;
4273
4274 if (mptsas_sas_device_pg0(ioc, &sas_device,
4275 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4276 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4277 (phys_disk.PhysDiskBus << 8) +
4278 phys_disk.PhysDiskID))
4279 continue;
4280
4281 /* If there is no FW B_T mapping for this device then continue
4282 * */
4283 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4284 || !(sas_device.flags &
4285 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4286 continue;
4287
4288
4289 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4290 sas_device.sas_address);
4291 mptsas_add_end_device(ioc, phy_info);
4292 }
4293
4294 out:
4295 if (buffer)
4296 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
4297 dma_handle);
4298 }
4299 /*
4300 * Work queue thread to handle SAS hotplug events
4301 */
4302 static void
mptsas_hotplug_work(MPT_ADAPTER * ioc,struct fw_event_work * fw_event,struct mptsas_hotplug_event * hot_plug_info)4303 mptsas_hotplug_work(MPT_ADAPTER *ioc, struct fw_event_work *fw_event,
4304 struct mptsas_hotplug_event *hot_plug_info)
4305 {
4306 struct mptsas_phyinfo *phy_info;
4307 struct scsi_target * starget;
4308 struct mptsas_devinfo sas_device;
4309 VirtTarget *vtarget;
4310 int i;
4311 struct mptsas_portinfo *port_info;
4312
4313 switch (hot_plug_info->event_type) {
4314
4315 case MPTSAS_ADD_PHYSDISK:
4316
4317 if (!ioc->raid_data.pIocPg2)
4318 break;
4319
4320 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
4321 if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID ==
4322 hot_plug_info->id) {
4323 printk(MYIOC_s_WARN_FMT "firmware bug: unable "
4324 "to add hidden disk - target_id matchs "
4325 "volume_id\n", ioc->name);
4326 mptsas_free_fw_event(ioc, fw_event);
4327 return;
4328 }
4329 }
4330 mpt_findImVolumes(ioc);
4331
4332 case MPTSAS_ADD_DEVICE:
4333 memset(&sas_device, 0, sizeof(struct mptsas_devinfo));
4334 mptsas_sas_device_pg0(ioc, &sas_device,
4335 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4336 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4337 (hot_plug_info->channel << 8) +
4338 hot_plug_info->id);
4339
4340 /* If there is no FW B_T mapping for this device then break
4341 * */
4342 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4343 || !(sas_device.flags &
4344 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4345 break;
4346
4347 if (!sas_device.handle)
4348 return;
4349
4350 phy_info = mptsas_refreshing_device_handles(ioc, &sas_device);
4351 /* Device hot plug */
4352 if (!phy_info) {
4353 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4354 "%s %d HOT PLUG: "
4355 "parent handle of device %x\n", ioc->name,
4356 __func__, __LINE__, sas_device.handle_parent));
4357 port_info = mptsas_find_portinfo_by_handle(ioc,
4358 sas_device.handle_parent);
4359
4360 if (port_info == ioc->hba_port_info)
4361 mptsas_probe_hba_phys(ioc);
4362 else if (port_info)
4363 mptsas_expander_refresh(ioc, port_info);
4364 else {
4365 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4366 "%s %d port info is NULL\n",
4367 ioc->name, __func__, __LINE__));
4368 break;
4369 }
4370 phy_info = mptsas_refreshing_device_handles
4371 (ioc, &sas_device);
4372 }
4373
4374 if (!phy_info) {
4375 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4376 "%s %d phy info is NULL\n",
4377 ioc->name, __func__, __LINE__));
4378 break;
4379 }
4380
4381 if (mptsas_get_rphy(phy_info))
4382 break;
4383
4384 mptsas_add_end_device(ioc, phy_info);
4385 break;
4386
4387 case MPTSAS_DEL_DEVICE:
4388 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4389 hot_plug_info->sas_address);
4390 mptsas_del_end_device(ioc, phy_info);
4391 break;
4392
4393 case MPTSAS_DEL_PHYSDISK:
4394
4395 mpt_findImVolumes(ioc);
4396
4397 phy_info = mptsas_find_phyinfo_by_phys_disk_num(
4398 ioc, hot_plug_info->phys_disk_num,
4399 hot_plug_info->channel,
4400 hot_plug_info->id);
4401 mptsas_del_end_device(ioc, phy_info);
4402 break;
4403
4404 case MPTSAS_ADD_PHYSDISK_REPROBE:
4405
4406 if (mptsas_sas_device_pg0(ioc, &sas_device,
4407 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4408 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4409 (hot_plug_info->channel << 8) + hot_plug_info->id)) {
4410 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4411 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4412 __func__, hot_plug_info->id, __LINE__));
4413 break;
4414 }
4415
4416 /* If there is no FW B_T mapping for this device then break
4417 * */
4418 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4419 || !(sas_device.flags &
4420 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4421 break;
4422
4423 phy_info = mptsas_find_phyinfo_by_sas_address(
4424 ioc, sas_device.sas_address);
4425
4426 if (!phy_info) {
4427 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4428 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4429 __func__, hot_plug_info->id, __LINE__));
4430 break;
4431 }
4432
4433 starget = mptsas_get_starget(phy_info);
4434 if (!starget) {
4435 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4436 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4437 __func__, hot_plug_info->id, __LINE__));
4438 break;
4439 }
4440
4441 vtarget = starget->hostdata;
4442 if (!vtarget) {
4443 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4444 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4445 __func__, hot_plug_info->id, __LINE__));
4446 break;
4447 }
4448
4449 mpt_findImVolumes(ioc);
4450
4451 starget_printk(KERN_INFO, starget, MYIOC_s_FMT "RAID Hidding: "
4452 "fw_channel=%d, fw_id=%d, physdsk %d, sas_addr 0x%llx\n",
4453 ioc->name, hot_plug_info->channel, hot_plug_info->id,
4454 hot_plug_info->phys_disk_num, (unsigned long long)
4455 sas_device.sas_address);
4456
4457 vtarget->id = hot_plug_info->phys_disk_num;
4458 vtarget->tflags |= MPT_TARGET_FLAGS_RAID_COMPONENT;
4459 phy_info->attached.phys_disk_num = hot_plug_info->phys_disk_num;
4460 mptsas_reprobe_target(starget, 1);
4461 break;
4462
4463 case MPTSAS_DEL_PHYSDISK_REPROBE:
4464
4465 if (mptsas_sas_device_pg0(ioc, &sas_device,
4466 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4467 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4468 (hot_plug_info->channel << 8) + hot_plug_info->id)) {
4469 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4470 "%s: fw_id=%d exit at line=%d\n",
4471 ioc->name, __func__,
4472 hot_plug_info->id, __LINE__));
4473 break;
4474 }
4475
4476 /* If there is no FW B_T mapping for this device then break
4477 * */
4478 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4479 || !(sas_device.flags &
4480 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4481 break;
4482
4483 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4484 sas_device.sas_address);
4485 if (!phy_info) {
4486 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4487 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4488 __func__, hot_plug_info->id, __LINE__));
4489 break;
4490 }
4491
4492 starget = mptsas_get_starget(phy_info);
4493 if (!starget) {
4494 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4495 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4496 __func__, hot_plug_info->id, __LINE__));
4497 break;
4498 }
4499
4500 vtarget = starget->hostdata;
4501 if (!vtarget) {
4502 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4503 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4504 __func__, hot_plug_info->id, __LINE__));
4505 break;
4506 }
4507
4508 if (!(vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)) {
4509 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4510 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4511 __func__, hot_plug_info->id, __LINE__));
4512 break;
4513 }
4514
4515 mpt_findImVolumes(ioc);
4516
4517 starget_printk(KERN_INFO, starget, MYIOC_s_FMT "RAID Exposing:"
4518 " fw_channel=%d, fw_id=%d, physdsk %d, sas_addr 0x%llx\n",
4519 ioc->name, hot_plug_info->channel, hot_plug_info->id,
4520 hot_plug_info->phys_disk_num, (unsigned long long)
4521 sas_device.sas_address);
4522
4523 vtarget->tflags &= ~MPT_TARGET_FLAGS_RAID_COMPONENT;
4524 vtarget->id = hot_plug_info->id;
4525 phy_info->attached.phys_disk_num = ~0;
4526 mptsas_reprobe_target(starget, 0);
4527 mptsas_add_device_component_by_fw(ioc,
4528 hot_plug_info->channel, hot_plug_info->id);
4529 break;
4530
4531 case MPTSAS_ADD_RAID:
4532
4533 mpt_findImVolumes(ioc);
4534 printk(MYIOC_s_INFO_FMT "attaching raid volume, channel %d, "
4535 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL,
4536 hot_plug_info->id);
4537 scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL,
4538 hot_plug_info->id, 0);
4539 break;
4540
4541 case MPTSAS_DEL_RAID:
4542
4543 mpt_findImVolumes(ioc);
4544 printk(MYIOC_s_INFO_FMT "removing raid volume, channel %d, "
4545 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL,
4546 hot_plug_info->id);
4547 scsi_remove_device(hot_plug_info->sdev);
4548 scsi_device_put(hot_plug_info->sdev);
4549 break;
4550
4551 case MPTSAS_ADD_INACTIVE_VOLUME:
4552
4553 mpt_findImVolumes(ioc);
4554 mptsas_adding_inactive_raid_components(ioc,
4555 hot_plug_info->channel, hot_plug_info->id);
4556 break;
4557
4558 default:
4559 break;
4560 }
4561
4562 mptsas_free_fw_event(ioc, fw_event);
4563 }
4564
4565 static void
mptsas_send_sas_event(struct fw_event_work * fw_event)4566 mptsas_send_sas_event(struct fw_event_work *fw_event)
4567 {
4568 MPT_ADAPTER *ioc;
4569 struct mptsas_hotplug_event hot_plug_info;
4570 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data;
4571 u32 device_info;
4572 u64 sas_address;
4573
4574 ioc = fw_event->ioc;
4575 sas_event_data = (EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *)
4576 fw_event->event_data;
4577 device_info = le32_to_cpu(sas_event_data->DeviceInfo);
4578
4579 if ((device_info &
4580 (MPI_SAS_DEVICE_INFO_SSP_TARGET |
4581 MPI_SAS_DEVICE_INFO_STP_TARGET |
4582 MPI_SAS_DEVICE_INFO_SATA_DEVICE)) == 0) {
4583 mptsas_free_fw_event(ioc, fw_event);
4584 return;
4585 }
4586
4587 if (sas_event_data->ReasonCode ==
4588 MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED) {
4589 mptbase_sas_persist_operation(ioc,
4590 MPI_SAS_OP_CLEAR_NOT_PRESENT);
4591 mptsas_free_fw_event(ioc, fw_event);
4592 return;
4593 }
4594
4595 switch (sas_event_data->ReasonCode) {
4596 case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING:
4597 case MPI_EVENT_SAS_DEV_STAT_RC_ADDED:
4598 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
4599 hot_plug_info.handle = le16_to_cpu(sas_event_data->DevHandle);
4600 hot_plug_info.channel = sas_event_data->Bus;
4601 hot_plug_info.id = sas_event_data->TargetID;
4602 hot_plug_info.phy_id = sas_event_data->PhyNum;
4603 memcpy(&sas_address, &sas_event_data->SASAddress,
4604 sizeof(u64));
4605 hot_plug_info.sas_address = le64_to_cpu(sas_address);
4606 hot_plug_info.device_info = device_info;
4607 if (sas_event_data->ReasonCode &
4608 MPI_EVENT_SAS_DEV_STAT_RC_ADDED)
4609 hot_plug_info.event_type = MPTSAS_ADD_DEVICE;
4610 else
4611 hot_plug_info.event_type = MPTSAS_DEL_DEVICE;
4612 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
4613 break;
4614
4615 case MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED:
4616 mptbase_sas_persist_operation(ioc,
4617 MPI_SAS_OP_CLEAR_NOT_PRESENT);
4618 mptsas_free_fw_event(ioc, fw_event);
4619 break;
4620
4621 case MPI_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
4622 /* TODO */
4623 case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
4624 /* TODO */
4625 default:
4626 mptsas_free_fw_event(ioc, fw_event);
4627 break;
4628 }
4629 }
4630
4631 static void
mptsas_send_raid_event(struct fw_event_work * fw_event)4632 mptsas_send_raid_event(struct fw_event_work *fw_event)
4633 {
4634 MPT_ADAPTER *ioc;
4635 EVENT_DATA_RAID *raid_event_data;
4636 struct mptsas_hotplug_event hot_plug_info;
4637 int status;
4638 int state;
4639 struct scsi_device *sdev = NULL;
4640 VirtDevice *vdevice = NULL;
4641 RaidPhysDiskPage0_t phys_disk;
4642
4643 ioc = fw_event->ioc;
4644 raid_event_data = (EVENT_DATA_RAID *)fw_event->event_data;
4645 status = le32_to_cpu(raid_event_data->SettingsStatus);
4646 state = (status >> 8) & 0xff;
4647
4648 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
4649 hot_plug_info.id = raid_event_data->VolumeID;
4650 hot_plug_info.channel = raid_event_data->VolumeBus;
4651 hot_plug_info.phys_disk_num = raid_event_data->PhysDiskNum;
4652
4653 if (raid_event_data->ReasonCode == MPI_EVENT_RAID_RC_VOLUME_DELETED ||
4654 raid_event_data->ReasonCode == MPI_EVENT_RAID_RC_VOLUME_CREATED ||
4655 raid_event_data->ReasonCode ==
4656 MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED) {
4657 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL,
4658 hot_plug_info.id, 0);
4659 hot_plug_info.sdev = sdev;
4660 if (sdev)
4661 vdevice = sdev->hostdata;
4662 }
4663
4664 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Entering %s: "
4665 "ReasonCode=%02x\n", ioc->name, __func__,
4666 raid_event_data->ReasonCode));
4667
4668 switch (raid_event_data->ReasonCode) {
4669 case MPI_EVENT_RAID_RC_PHYSDISK_DELETED:
4670 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK_REPROBE;
4671 break;
4672 case MPI_EVENT_RAID_RC_PHYSDISK_CREATED:
4673 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK_REPROBE;
4674 break;
4675 case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED:
4676 switch (state) {
4677 case MPI_PD_STATE_ONLINE:
4678 case MPI_PD_STATE_NOT_COMPATIBLE:
4679 mpt_raid_phys_disk_pg0(ioc,
4680 raid_event_data->PhysDiskNum, &phys_disk);
4681 hot_plug_info.id = phys_disk.PhysDiskID;
4682 hot_plug_info.channel = phys_disk.PhysDiskBus;
4683 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK;
4684 break;
4685 case MPI_PD_STATE_FAILED:
4686 case MPI_PD_STATE_MISSING:
4687 case MPI_PD_STATE_OFFLINE_AT_HOST_REQUEST:
4688 case MPI_PD_STATE_FAILED_AT_HOST_REQUEST:
4689 case MPI_PD_STATE_OFFLINE_FOR_ANOTHER_REASON:
4690 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK;
4691 break;
4692 default:
4693 break;
4694 }
4695 break;
4696 case MPI_EVENT_RAID_RC_VOLUME_DELETED:
4697 if (!sdev)
4698 break;
4699 vdevice->vtarget->deleted = 1; /* block IO */
4700 hot_plug_info.event_type = MPTSAS_DEL_RAID;
4701 break;
4702 case MPI_EVENT_RAID_RC_VOLUME_CREATED:
4703 if (sdev) {
4704 scsi_device_put(sdev);
4705 break;
4706 }
4707 hot_plug_info.event_type = MPTSAS_ADD_RAID;
4708 break;
4709 case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED:
4710 if (!(status & MPI_RAIDVOL0_STATUS_FLAG_ENABLED)) {
4711 if (!sdev)
4712 break;
4713 vdevice->vtarget->deleted = 1; /* block IO */
4714 hot_plug_info.event_type = MPTSAS_DEL_RAID;
4715 break;
4716 }
4717 switch (state) {
4718 case MPI_RAIDVOL0_STATUS_STATE_FAILED:
4719 case MPI_RAIDVOL0_STATUS_STATE_MISSING:
4720 if (!sdev)
4721 break;
4722 vdevice->vtarget->deleted = 1; /* block IO */
4723 hot_plug_info.event_type = MPTSAS_DEL_RAID;
4724 break;
4725 case MPI_RAIDVOL0_STATUS_STATE_OPTIMAL:
4726 case MPI_RAIDVOL0_STATUS_STATE_DEGRADED:
4727 if (sdev) {
4728 scsi_device_put(sdev);
4729 break;
4730 }
4731 hot_plug_info.event_type = MPTSAS_ADD_RAID;
4732 break;
4733 default:
4734 break;
4735 }
4736 break;
4737 default:
4738 break;
4739 }
4740
4741 if (hot_plug_info.event_type != MPTSAS_IGNORE_EVENT)
4742 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
4743 else
4744 mptsas_free_fw_event(ioc, fw_event);
4745 }
4746
4747 /**
4748 * mptsas_issue_tm - send mptsas internal tm request
4749 * @ioc: Pointer to MPT_ADAPTER structure
4750 * @type: Task Management type
4751 * @channel: channel number for task management
4752 * @id: Logical Target ID for reset (if appropriate)
4753 * @lun: Logical unit for reset (if appropriate)
4754 * @task_context: Context for the task to be aborted
4755 * @timeout: timeout for task management control
4756 *
4757 * return 0 on success and -1 on failure:
4758 *
4759 */
4760 static int
mptsas_issue_tm(MPT_ADAPTER * ioc,u8 type,u8 channel,u8 id,u64 lun,int task_context,ulong timeout,u8 * issue_reset)4761 mptsas_issue_tm(MPT_ADAPTER *ioc, u8 type, u8 channel, u8 id, u64 lun,
4762 int task_context, ulong timeout, u8 *issue_reset)
4763 {
4764 MPT_FRAME_HDR *mf;
4765 SCSITaskMgmt_t *pScsiTm;
4766 int retval;
4767 unsigned long timeleft;
4768
4769 *issue_reset = 0;
4770 mf = mpt_get_msg_frame(mptsasDeviceResetCtx, ioc);
4771 if (mf == NULL) {
4772 retval = -1; /* return failure */
4773 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT "TaskMgmt request: no "
4774 "msg frames!!\n", ioc->name));
4775 goto out;
4776 }
4777
4778 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request: mr = %p, "
4779 "task_type = 0x%02X,\n\t timeout = %ld, fw_channel = %d, "
4780 "fw_id = %d, lun = %lld,\n\t task_context = 0x%x\n", ioc->name, mf,
4781 type, timeout, channel, id, (unsigned long long)lun,
4782 task_context));
4783
4784 pScsiTm = (SCSITaskMgmt_t *) mf;
4785 memset(pScsiTm, 0, sizeof(SCSITaskMgmt_t));
4786 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
4787 pScsiTm->TaskType = type;
4788 pScsiTm->MsgFlags = 0;
4789 pScsiTm->TargetID = id;
4790 pScsiTm->Bus = channel;
4791 pScsiTm->ChainOffset = 0;
4792 pScsiTm->Reserved = 0;
4793 pScsiTm->Reserved1 = 0;
4794 pScsiTm->TaskMsgContext = task_context;
4795 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
4796
4797 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
4798 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
4799 retval = 0;
4800 mpt_put_msg_frame_hi_pri(mptsasDeviceResetCtx, ioc, mf);
4801
4802 /* Now wait for the command to complete */
4803 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
4804 timeout*HZ);
4805 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
4806 retval = -1; /* return failure */
4807 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
4808 "TaskMgmt request: TIMED OUT!(mr=%p)\n", ioc->name, mf));
4809 mpt_free_msg_frame(ioc, mf);
4810 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
4811 goto out;
4812 *issue_reset = 1;
4813 goto out;
4814 }
4815
4816 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
4817 retval = -1; /* return failure */
4818 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4819 "TaskMgmt request: failed with no reply\n", ioc->name));
4820 goto out;
4821 }
4822
4823 out:
4824 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
4825 return retval;
4826 }
4827
4828 /**
4829 * mptsas_broadcast_primative_work - Handle broadcast primitives
4830 * @work: work queue payload containing info describing the event
4831 *
4832 * this will be handled in workqueue context.
4833 */
4834 static void
mptsas_broadcast_primative_work(struct fw_event_work * fw_event)4835 mptsas_broadcast_primative_work(struct fw_event_work *fw_event)
4836 {
4837 MPT_ADAPTER *ioc = fw_event->ioc;
4838 MPT_FRAME_HDR *mf;
4839 VirtDevice *vdevice;
4840 int ii;
4841 struct scsi_cmnd *sc;
4842 SCSITaskMgmtReply_t *pScsiTmReply;
4843 u8 issue_reset;
4844 int task_context;
4845 u8 channel, id;
4846 int lun;
4847 u32 termination_count;
4848 u32 query_count;
4849
4850 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4851 "%s - enter\n", ioc->name, __func__));
4852
4853 mutex_lock(&ioc->taskmgmt_cmds.mutex);
4854 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
4855 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
4856 mptsas_requeue_fw_event(ioc, fw_event, 1000);
4857 return;
4858 }
4859
4860 issue_reset = 0;
4861 termination_count = 0;
4862 query_count = 0;
4863 mpt_findImVolumes(ioc);
4864 pScsiTmReply = (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply;
4865
4866 for (ii = 0; ii < ioc->req_depth; ii++) {
4867 if (ioc->fw_events_off)
4868 goto out;
4869 sc = mptscsih_get_scsi_lookup(ioc, ii);
4870 if (!sc)
4871 continue;
4872 mf = MPT_INDEX_2_MFPTR(ioc, ii);
4873 if (!mf)
4874 continue;
4875 task_context = mf->u.frame.hwhdr.msgctxu.MsgContext;
4876 vdevice = sc->device->hostdata;
4877 if (!vdevice || !vdevice->vtarget)
4878 continue;
4879 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
4880 continue; /* skip hidden raid components */
4881 if (vdevice->vtarget->raidVolume)
4882 continue; /* skip hidden raid components */
4883 channel = vdevice->vtarget->channel;
4884 id = vdevice->vtarget->id;
4885 lun = vdevice->lun;
4886 if (mptsas_issue_tm(ioc, MPI_SCSITASKMGMT_TASKTYPE_QUERY_TASK,
4887 channel, id, (u64)lun, task_context, 30, &issue_reset))
4888 goto out;
4889 query_count++;
4890 termination_count +=
4891 le32_to_cpu(pScsiTmReply->TerminationCount);
4892 if ((pScsiTmReply->IOCStatus == MPI_IOCSTATUS_SUCCESS) &&
4893 (pScsiTmReply->ResponseCode ==
4894 MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED ||
4895 pScsiTmReply->ResponseCode ==
4896 MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC))
4897 continue;
4898 if (mptsas_issue_tm(ioc,
4899 MPI_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET,
4900 channel, id, (u64)lun, 0, 30, &issue_reset))
4901 goto out;
4902 termination_count +=
4903 le32_to_cpu(pScsiTmReply->TerminationCount);
4904 }
4905
4906 out:
4907 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4908 "%s - exit, query_count = %d termination_count = %d\n",
4909 ioc->name, __func__, query_count, termination_count));
4910
4911 ioc->broadcast_aen_busy = 0;
4912 mpt_clear_taskmgmt_in_progress_flag(ioc);
4913 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
4914
4915 if (issue_reset) {
4916 printk(MYIOC_s_WARN_FMT
4917 "Issuing Reset from %s!! doorbell=0x%08x\n",
4918 ioc->name, __func__, mpt_GetIocState(ioc, 0));
4919 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
4920 }
4921 mptsas_free_fw_event(ioc, fw_event);
4922 }
4923
4924 /*
4925 * mptsas_send_ir2_event - handle exposing hidden disk when
4926 * an inactive raid volume is added
4927 *
4928 * @ioc: Pointer to MPT_ADAPTER structure
4929 * @ir2_data
4930 *
4931 */
4932 static void
mptsas_send_ir2_event(struct fw_event_work * fw_event)4933 mptsas_send_ir2_event(struct fw_event_work *fw_event)
4934 {
4935 MPT_ADAPTER *ioc;
4936 struct mptsas_hotplug_event hot_plug_info;
4937 MPI_EVENT_DATA_IR2 *ir2_data;
4938 u8 reasonCode;
4939 RaidPhysDiskPage0_t phys_disk;
4940
4941 ioc = fw_event->ioc;
4942 ir2_data = (MPI_EVENT_DATA_IR2 *)fw_event->event_data;
4943 reasonCode = ir2_data->ReasonCode;
4944
4945 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Entering %s: "
4946 "ReasonCode=%02x\n", ioc->name, __func__, reasonCode));
4947
4948 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
4949 hot_plug_info.id = ir2_data->TargetID;
4950 hot_plug_info.channel = ir2_data->Bus;
4951 switch (reasonCode) {
4952 case MPI_EVENT_IR2_RC_FOREIGN_CFG_DETECTED:
4953 hot_plug_info.event_type = MPTSAS_ADD_INACTIVE_VOLUME;
4954 break;
4955 case MPI_EVENT_IR2_RC_DUAL_PORT_REMOVED:
4956 hot_plug_info.phys_disk_num = ir2_data->PhysDiskNum;
4957 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK;
4958 break;
4959 case MPI_EVENT_IR2_RC_DUAL_PORT_ADDED:
4960 hot_plug_info.phys_disk_num = ir2_data->PhysDiskNum;
4961 mpt_raid_phys_disk_pg0(ioc,
4962 ir2_data->PhysDiskNum, &phys_disk);
4963 hot_plug_info.id = phys_disk.PhysDiskID;
4964 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK;
4965 break;
4966 default:
4967 mptsas_free_fw_event(ioc, fw_event);
4968 return;
4969 }
4970 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
4971 }
4972
4973 static int
mptsas_event_process(MPT_ADAPTER * ioc,EventNotificationReply_t * reply)4974 mptsas_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *reply)
4975 {
4976 u32 event = le32_to_cpu(reply->Event);
4977 int event_data_sz;
4978 struct fw_event_work *fw_event;
4979 unsigned long delay;
4980
4981 if (ioc->bus_type != SAS)
4982 return 0;
4983
4984 /* events turned off due to host reset or driver unloading */
4985 if (ioc->fw_events_off)
4986 return 0;
4987
4988 delay = msecs_to_jiffies(1);
4989 switch (event) {
4990 case MPI_EVENT_SAS_BROADCAST_PRIMITIVE:
4991 {
4992 EVENT_DATA_SAS_BROADCAST_PRIMITIVE *broadcast_event_data =
4993 (EVENT_DATA_SAS_BROADCAST_PRIMITIVE *)reply->Data;
4994 if (broadcast_event_data->Primitive !=
4995 MPI_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT)
4996 return 0;
4997 if (ioc->broadcast_aen_busy)
4998 return 0;
4999 ioc->broadcast_aen_busy = 1;
5000 break;
5001 }
5002 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
5003 {
5004 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data =
5005 (EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *)reply->Data;
5006 u16 ioc_stat;
5007 ioc_stat = le16_to_cpu(reply->IOCStatus);
5008
5009 if (sas_event_data->ReasonCode ==
5010 MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING) {
5011 mptsas_target_reset_queue(ioc, sas_event_data);
5012 return 0;
5013 }
5014 if (sas_event_data->ReasonCode ==
5015 MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET &&
5016 ioc->device_missing_delay &&
5017 (ioc_stat & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)) {
5018 VirtTarget *vtarget = NULL;
5019 u8 id, channel;
5020
5021 id = sas_event_data->TargetID;
5022 channel = sas_event_data->Bus;
5023
5024 vtarget = mptsas_find_vtarget(ioc, channel, id);
5025 if (vtarget) {
5026 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5027 "LogInfo (0x%x) available for "
5028 "INTERNAL_DEVICE_RESET"
5029 "fw_id %d fw_channel %d\n", ioc->name,
5030 le32_to_cpu(reply->IOCLogInfo),
5031 id, channel));
5032 if (vtarget->raidVolume) {
5033 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5034 "Skipping Raid Volume for inDMD\n",
5035 ioc->name));
5036 } else {
5037 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5038 "Setting device flag inDMD\n",
5039 ioc->name));
5040 vtarget->inDMD = 1;
5041 }
5042
5043 }
5044
5045 }
5046
5047 break;
5048 }
5049 case MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE:
5050 {
5051 MpiEventDataSasExpanderStatusChange_t *expander_data =
5052 (MpiEventDataSasExpanderStatusChange_t *)reply->Data;
5053
5054 if (ioc->old_sas_discovery_protocal)
5055 return 0;
5056
5057 if (expander_data->ReasonCode ==
5058 MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING &&
5059 ioc->device_missing_delay)
5060 delay = HZ * ioc->device_missing_delay;
5061 break;
5062 }
5063 case MPI_EVENT_SAS_DISCOVERY:
5064 {
5065 u32 discovery_status;
5066 EventDataSasDiscovery_t *discovery_data =
5067 (EventDataSasDiscovery_t *)reply->Data;
5068
5069 discovery_status = le32_to_cpu(discovery_data->DiscoveryStatus);
5070 ioc->sas_discovery_quiesce_io = discovery_status ? 1 : 0;
5071 if (ioc->old_sas_discovery_protocal && !discovery_status)
5072 mptsas_queue_rescan(ioc);
5073 return 0;
5074 }
5075 case MPI_EVENT_INTEGRATED_RAID:
5076 case MPI_EVENT_PERSISTENT_TABLE_FULL:
5077 case MPI_EVENT_IR2:
5078 case MPI_EVENT_SAS_PHY_LINK_STATUS:
5079 case MPI_EVENT_QUEUE_FULL:
5080 break;
5081 default:
5082 return 0;
5083 }
5084
5085 event_data_sz = ((reply->MsgLength * 4) -
5086 offsetof(EventNotificationReply_t, Data));
5087 fw_event = kzalloc(sizeof(*fw_event) + event_data_sz, GFP_ATOMIC);
5088 if (!fw_event) {
5089 printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n", ioc->name,
5090 __func__, __LINE__);
5091 return 0;
5092 }
5093 memcpy(fw_event->event_data, reply->Data, event_data_sz);
5094 fw_event->event = event;
5095 fw_event->ioc = ioc;
5096 mptsas_add_fw_event(ioc, fw_event, delay);
5097 return 0;
5098 }
5099
5100 /* Delete a volume when no longer listed in ioc pg2
5101 */
mptsas_volume_delete(MPT_ADAPTER * ioc,u8 id)5102 static void mptsas_volume_delete(MPT_ADAPTER *ioc, u8 id)
5103 {
5104 struct scsi_device *sdev;
5105 int i;
5106
5107 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL, id, 0);
5108 if (!sdev)
5109 return;
5110 if (!ioc->raid_data.pIocPg2)
5111 goto out;
5112 if (!ioc->raid_data.pIocPg2->NumActiveVolumes)
5113 goto out;
5114 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++)
5115 if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID == id)
5116 goto release_sdev;
5117 out:
5118 printk(MYIOC_s_INFO_FMT "removing raid volume, channel %d, "
5119 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL, id);
5120 scsi_remove_device(sdev);
5121 release_sdev:
5122 scsi_device_put(sdev);
5123 }
5124
5125 static int
mptsas_probe(struct pci_dev * pdev,const struct pci_device_id * id)5126 mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
5127 {
5128 struct Scsi_Host *sh;
5129 MPT_SCSI_HOST *hd;
5130 MPT_ADAPTER *ioc;
5131 unsigned long flags;
5132 int ii;
5133 int numSGE = 0;
5134 int scale;
5135 int ioc_cap;
5136 int error=0;
5137 int r;
5138
5139 r = mpt_attach(pdev,id);
5140 if (r)
5141 return r;
5142
5143 ioc = pci_get_drvdata(pdev);
5144 mptsas_fw_event_off(ioc);
5145 ioc->DoneCtx = mptsasDoneCtx;
5146 ioc->TaskCtx = mptsasTaskCtx;
5147 ioc->InternalCtx = mptsasInternalCtx;
5148 ioc->schedule_target_reset = &mptsas_schedule_target_reset;
5149 ioc->schedule_dead_ioc_flush_running_cmds =
5150 &mptscsih_flush_running_cmds;
5151 /* Added sanity check on readiness of the MPT adapter.
5152 */
5153 if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) {
5154 printk(MYIOC_s_WARN_FMT
5155 "Skipping because it's not operational!\n",
5156 ioc->name);
5157 error = -ENODEV;
5158 goto out_mptsas_probe;
5159 }
5160
5161 if (!ioc->active) {
5162 printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n",
5163 ioc->name);
5164 error = -ENODEV;
5165 goto out_mptsas_probe;
5166 }
5167
5168 /* Sanity check - ensure at least 1 port is INITIATOR capable
5169 */
5170 ioc_cap = 0;
5171 for (ii = 0; ii < ioc->facts.NumberOfPorts; ii++) {
5172 if (ioc->pfacts[ii].ProtocolFlags &
5173 MPI_PORTFACTS_PROTOCOL_INITIATOR)
5174 ioc_cap++;
5175 }
5176
5177 if (!ioc_cap) {
5178 printk(MYIOC_s_WARN_FMT
5179 "Skipping ioc=%p because SCSI Initiator mode "
5180 "is NOT enabled!\n", ioc->name, ioc);
5181 return 0;
5182 }
5183
5184 sh = scsi_host_alloc(&mptsas_driver_template, sizeof(MPT_SCSI_HOST));
5185 if (!sh) {
5186 printk(MYIOC_s_WARN_FMT
5187 "Unable to register controller with SCSI subsystem\n",
5188 ioc->name);
5189 error = -1;
5190 goto out_mptsas_probe;
5191 }
5192
5193 spin_lock_irqsave(&ioc->FreeQlock, flags);
5194
5195 /* Attach the SCSI Host to the IOC structure
5196 */
5197 ioc->sh = sh;
5198
5199 sh->io_port = 0;
5200 sh->n_io_port = 0;
5201 sh->irq = 0;
5202
5203 /* set 16 byte cdb's */
5204 sh->max_cmd_len = 16;
5205 sh->can_queue = min_t(int, ioc->req_depth - 10, sh->can_queue);
5206 sh->max_id = -1;
5207 sh->max_lun = max_lun;
5208 sh->transportt = mptsas_transport_template;
5209
5210 /* Required entry.
5211 */
5212 sh->unique_id = ioc->id;
5213
5214 INIT_LIST_HEAD(&ioc->sas_topology);
5215 mutex_init(&ioc->sas_topology_mutex);
5216 mutex_init(&ioc->sas_discovery_mutex);
5217 mutex_init(&ioc->sas_mgmt.mutex);
5218 init_completion(&ioc->sas_mgmt.done);
5219
5220 /* Verify that we won't exceed the maximum
5221 * number of chain buffers
5222 * We can optimize: ZZ = req_sz/sizeof(SGE)
5223 * For 32bit SGE's:
5224 * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ
5225 * + (req_sz - 64)/sizeof(SGE)
5226 * A slightly different algorithm is required for
5227 * 64bit SGEs.
5228 */
5229 scale = ioc->req_sz/ioc->SGE_size;
5230 if (ioc->sg_addr_size == sizeof(u64)) {
5231 numSGE = (scale - 1) *
5232 (ioc->facts.MaxChainDepth-1) + scale +
5233 (ioc->req_sz - 60) / ioc->SGE_size;
5234 } else {
5235 numSGE = 1 + (scale - 1) *
5236 (ioc->facts.MaxChainDepth-1) + scale +
5237 (ioc->req_sz - 64) / ioc->SGE_size;
5238 }
5239
5240 if (numSGE < sh->sg_tablesize) {
5241 /* Reset this value */
5242 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5243 "Resetting sg_tablesize to %d from %d\n",
5244 ioc->name, numSGE, sh->sg_tablesize));
5245 sh->sg_tablesize = numSGE;
5246 }
5247
5248 if (mpt_loadtime_max_sectors) {
5249 if (mpt_loadtime_max_sectors < 64 ||
5250 mpt_loadtime_max_sectors > 8192) {
5251 printk(MYIOC_s_INFO_FMT "Invalid value passed for"
5252 "mpt_loadtime_max_sectors %d."
5253 "Range from 64 to 8192\n", ioc->name,
5254 mpt_loadtime_max_sectors);
5255 }
5256 mpt_loadtime_max_sectors &= 0xFFFFFFFE;
5257 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5258 "Resetting max sector to %d from %d\n",
5259 ioc->name, mpt_loadtime_max_sectors, sh->max_sectors));
5260 sh->max_sectors = mpt_loadtime_max_sectors;
5261 }
5262
5263 hd = shost_priv(sh);
5264 hd->ioc = ioc;
5265
5266 /* SCSI needs scsi_cmnd lookup table!
5267 * (with size equal to req_depth*PtrSz!)
5268 */
5269 ioc->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC);
5270 if (!ioc->ScsiLookup) {
5271 error = -ENOMEM;
5272 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
5273 goto out_mptsas_probe;
5274 }
5275 spin_lock_init(&ioc->scsi_lookup_lock);
5276
5277 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n",
5278 ioc->name, ioc->ScsiLookup));
5279
5280 ioc->sas_data.ptClear = mpt_pt_clear;
5281
5282 hd->last_queue_full = 0;
5283 INIT_LIST_HEAD(&hd->target_reset_list);
5284 INIT_LIST_HEAD(&ioc->sas_device_info_list);
5285 mutex_init(&ioc->sas_device_info_mutex);
5286
5287 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
5288
5289 if (ioc->sas_data.ptClear==1) {
5290 mptbase_sas_persist_operation(
5291 ioc, MPI_SAS_OP_CLEAR_ALL_PERSISTENT);
5292 }
5293
5294 error = scsi_add_host(sh, &ioc->pcidev->dev);
5295 if (error) {
5296 dprintk(ioc, printk(MYIOC_s_ERR_FMT
5297 "scsi_add_host failed\n", ioc->name));
5298 goto out_mptsas_probe;
5299 }
5300
5301 /* older firmware doesn't support expander events */
5302 if ((ioc->facts.HeaderVersion >> 8) < 0xE)
5303 ioc->old_sas_discovery_protocal = 1;
5304 mptsas_scan_sas_topology(ioc);
5305 mptsas_fw_event_on(ioc);
5306 return 0;
5307
5308 out_mptsas_probe:
5309
5310 mptscsih_remove(pdev);
5311 return error;
5312 }
5313
5314 static void
mptsas_shutdown(struct pci_dev * pdev)5315 mptsas_shutdown(struct pci_dev *pdev)
5316 {
5317 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
5318
5319 mptsas_fw_event_off(ioc);
5320 mptsas_cleanup_fw_event_q(ioc);
5321 }
5322
mptsas_remove(struct pci_dev * pdev)5323 static void mptsas_remove(struct pci_dev *pdev)
5324 {
5325 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
5326 struct mptsas_portinfo *p, *n;
5327 int i;
5328
5329 if (!ioc->sh) {
5330 printk(MYIOC_s_INFO_FMT "IOC is in Target mode\n", ioc->name);
5331 mpt_detach(pdev);
5332 return;
5333 }
5334
5335 mptsas_shutdown(pdev);
5336
5337 mptsas_del_device_components(ioc);
5338
5339 ioc->sas_discovery_ignore_events = 1;
5340 sas_remove_host(ioc->sh);
5341
5342 mutex_lock(&ioc->sas_topology_mutex);
5343 list_for_each_entry_safe(p, n, &ioc->sas_topology, list) {
5344 list_del(&p->list);
5345 for (i = 0 ; i < p->num_phys ; i++)
5346 mptsas_port_delete(ioc, p->phy_info[i].port_details);
5347
5348 kfree(p->phy_info);
5349 kfree(p);
5350 }
5351 mutex_unlock(&ioc->sas_topology_mutex);
5352 ioc->hba_port_info = NULL;
5353 mptscsih_remove(pdev);
5354 }
5355
5356 static struct pci_device_id mptsas_pci_table[] = {
5357 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1064,
5358 PCI_ANY_ID, PCI_ANY_ID },
5359 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068,
5360 PCI_ANY_ID, PCI_ANY_ID },
5361 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1064E,
5362 PCI_ANY_ID, PCI_ANY_ID },
5363 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068E,
5364 PCI_ANY_ID, PCI_ANY_ID },
5365 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1078,
5366 PCI_ANY_ID, PCI_ANY_ID },
5367 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068_820XELP,
5368 PCI_ANY_ID, PCI_ANY_ID },
5369 {0} /* Terminating entry */
5370 };
5371 MODULE_DEVICE_TABLE(pci, mptsas_pci_table);
5372
5373
5374 static struct pci_driver mptsas_driver = {
5375 .name = "mptsas",
5376 .id_table = mptsas_pci_table,
5377 .probe = mptsas_probe,
5378 .remove = mptsas_remove,
5379 .shutdown = mptsas_shutdown,
5380 #ifdef CONFIG_PM
5381 .suspend = mptscsih_suspend,
5382 .resume = mptscsih_resume,
5383 #endif
5384 };
5385
5386 static int __init
mptsas_init(void)5387 mptsas_init(void)
5388 {
5389 int error;
5390
5391 show_mptmod_ver(my_NAME, my_VERSION);
5392
5393 mptsas_transport_template =
5394 sas_attach_transport(&mptsas_transport_functions);
5395 if (!mptsas_transport_template)
5396 return -ENODEV;
5397
5398 mptsasDoneCtx = mpt_register(mptscsih_io_done, MPTSAS_DRIVER,
5399 "mptscsih_io_done");
5400 mptsasTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSAS_DRIVER,
5401 "mptscsih_taskmgmt_complete");
5402 mptsasInternalCtx =
5403 mpt_register(mptscsih_scandv_complete, MPTSAS_DRIVER,
5404 "mptscsih_scandv_complete");
5405 mptsasMgmtCtx = mpt_register(mptsas_mgmt_done, MPTSAS_DRIVER,
5406 "mptsas_mgmt_done");
5407 mptsasDeviceResetCtx =
5408 mpt_register(mptsas_taskmgmt_complete, MPTSAS_DRIVER,
5409 "mptsas_taskmgmt_complete");
5410
5411 mpt_event_register(mptsasDoneCtx, mptsas_event_process);
5412 mpt_reset_register(mptsasDoneCtx, mptsas_ioc_reset);
5413
5414 error = pci_register_driver(&mptsas_driver);
5415 if (error)
5416 sas_release_transport(mptsas_transport_template);
5417
5418 return error;
5419 }
5420
5421 static void __exit
mptsas_exit(void)5422 mptsas_exit(void)
5423 {
5424 pci_unregister_driver(&mptsas_driver);
5425 sas_release_transport(mptsas_transport_template);
5426
5427 mpt_reset_deregister(mptsasDoneCtx);
5428 mpt_event_deregister(mptsasDoneCtx);
5429
5430 mpt_deregister(mptsasMgmtCtx);
5431 mpt_deregister(mptsasInternalCtx);
5432 mpt_deregister(mptsasTaskCtx);
5433 mpt_deregister(mptsasDoneCtx);
5434 mpt_deregister(mptsasDeviceResetCtx);
5435 }
5436
5437 module_init(mptsas_init);
5438 module_exit(mptsas_exit);
5439