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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
78MODULE_AUTHOR(MODULEAUTHOR);
79MODULE_DESCRIPTION(my_NAME);
80MODULE_LICENSE("GPL");
81MODULE_VERSION(my_VERSION);
82
83static int mpt_pt_clear;
84module_param(mpt_pt_clear, int, 0);
85MODULE_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)
91static int max_lun = MPTSAS_MAX_LUN;
92module_param(max_lun, int, 0);
93MODULE_PARM_DESC(max_lun, " max lun, default=16895 ");
94
95static int mpt_loadtime_max_sectors = 8192;
96module_param(mpt_loadtime_max_sectors, int, 0);
97MODULE_PARM_DESC(mpt_loadtime_max_sectors,
98 " Maximum sector define for Host Bus Adaptor.Range 64 to 8192 default=8192");
99
100static u8 mptsasDoneCtx = MPT_MAX_PROTOCOL_DRIVERS;
101static u8 mptsasTaskCtx = MPT_MAX_PROTOCOL_DRIVERS;
102static u8 mptsasInternalCtx = MPT_MAX_PROTOCOL_DRIVERS; /* Used only for internal commands */
103static u8 mptsasMgmtCtx = MPT_MAX_PROTOCOL_DRIVERS;
104static u8 mptsasDeviceResetCtx = MPT_MAX_PROTOCOL_DRIVERS;
105
106static void mptsas_firmware_event_work(struct work_struct *work);
107static void mptsas_send_sas_event(struct fw_event_work *fw_event);
108static void mptsas_send_raid_event(struct fw_event_work *fw_event);
109static void mptsas_send_ir2_event(struct fw_event_work *fw_event);
110static void mptsas_parse_device_info(struct sas_identify *identify,
111 struct mptsas_devinfo *device_info);
112static inline void mptsas_set_rphy(MPT_ADAPTER *ioc,
113 struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy);
114static struct mptsas_phyinfo *mptsas_find_phyinfo_by_sas_address
115 (MPT_ADAPTER *ioc, u64 sas_address);
116static int mptsas_sas_device_pg0(MPT_ADAPTER *ioc,
117 struct mptsas_devinfo *device_info, u32 form, u32 form_specific);
118static int mptsas_sas_enclosure_pg0(MPT_ADAPTER *ioc,
119 struct mptsas_enclosure *enclosure, u32 form, u32 form_specific);
120static int mptsas_add_end_device(MPT_ADAPTER *ioc,
121 struct mptsas_phyinfo *phy_info);
122static void mptsas_del_end_device(MPT_ADAPTER *ioc,
123 struct mptsas_phyinfo *phy_info);
124static void mptsas_send_link_status_event(struct fw_event_work *fw_event);
125static struct mptsas_portinfo *mptsas_find_portinfo_by_sas_address
126 (MPT_ADAPTER *ioc, u64 sas_address);
127static void mptsas_expander_delete(MPT_ADAPTER *ioc,
128 struct mptsas_portinfo *port_info, u8 force);
129static void mptsas_send_expander_event(struct fw_event_work *fw_event);
130static void mptsas_not_responding_devices(MPT_ADAPTER *ioc);
131static void mptsas_scan_sas_topology(MPT_ADAPTER *ioc);
132static void mptsas_broadcast_primative_work(struct fw_event_work *fw_event);
133static void mptsas_handle_queue_full_event(struct fw_event_work *fw_event);
134static void mptsas_volume_delete(MPT_ADAPTER *ioc, u8 id);
135void mptsas_schedule_target_reset(void *ioc);
136
137static 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
161static 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
187static 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
204static 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
238static 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 */
260static void
261mptsas_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 */
273static void
274mptsas_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 */
284static void
285mptsas_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 */
302static void
303mptsas_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 */
318static void
319mptsas_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 */
333static void
334mptsas_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
364static 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
370static 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 */
381static struct mptsas_portinfo *
382mptsas_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 **/
405static struct mptsas_portinfo *
406mptsas_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 */
432static inline int
433mptsas_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 */
450static void
451mptsas_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
478static inline struct sas_rphy *
479mptsas_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
487static inline void
488mptsas_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
504static inline struct sas_port *
505mptsas_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
513static inline void
514mptsas_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
527static inline struct scsi_target *
528mptsas_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
536static inline void
537mptsas_set_starget(struct mptsas_phyinfo *phy_info, struct scsi_target *
538starget)
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 **/
553static void
554mptsas_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 **/
618static void
619mptsas_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 **/
650static void
651mptsas_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 **/
754static void
755mptsas_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 **/
789static void
790mptsas_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 **/
809static void
810mptsas_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 */
830static void
831mptsas_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 **/
965static VirtTarget *
966mptsas_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
988static void
989mptsas_queue_device_delete(MPT_ADAPTER *ioc,
990 MpiEventDataSasDeviceStatusChange_t *sas_event_data)
991{
992 struct fw_event_work *fw_event;
993 int sz;
994
995 sz = offsetof(struct fw_event_work, event_data) +
996 sizeof(MpiEventDataSasDeviceStatusChange_t);
997 fw_event = kzalloc(sz, GFP_ATOMIC);
998 if (!fw_event) {
999 printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n",
1000 ioc->name, __func__, __LINE__);
1001 return;
1002 }
1003 memcpy(fw_event->event_data, sas_event_data,
1004 sizeof(MpiEventDataSasDeviceStatusChange_t));
1005 fw_event->event = MPI_EVENT_SAS_DEVICE_STATUS_CHANGE;
1006 fw_event->ioc = ioc;
1007 mptsas_add_fw_event(ioc, fw_event, msecs_to_jiffies(1));
1008}
1009
1010static void
1011mptsas_queue_rescan(MPT_ADAPTER *ioc)
1012{
1013 struct fw_event_work *fw_event;
1014 int sz;
1015
1016 sz = offsetof(struct fw_event_work, event_data);
1017 fw_event = kzalloc(sz, GFP_ATOMIC);
1018 if (!fw_event) {
1019 printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n",
1020 ioc->name, __func__, __LINE__);
1021 return;
1022 }
1023 fw_event->event = -1;
1024 fw_event->ioc = ioc;
1025 mptsas_add_fw_event(ioc, fw_event, msecs_to_jiffies(1));
1026}
1027
1028
1029/**
1030 * mptsas_target_reset
1031 *
1032 * Issues TARGET_RESET to end device using handshaking method
1033 *
1034 * @ioc
1035 * @channel
1036 * @id
1037 *
1038 * Returns (1) success
1039 * (0) failure
1040 *
1041 **/
1042static int
1043mptsas_target_reset(MPT_ADAPTER *ioc, u8 channel, u8 id)
1044{
1045 MPT_FRAME_HDR *mf;
1046 SCSITaskMgmt_t *pScsiTm;
1047 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0)
1048 return 0;
1049
1050
1051 mf = mpt_get_msg_frame(mptsasDeviceResetCtx, ioc);
1052 if (mf == NULL) {
1053 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT
1054 "%s, no msg frames @%d!!\n", ioc->name,
1055 __func__, __LINE__));
1056 goto out_fail;
1057 }
1058
1059 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
1060 ioc->name, mf));
1061
1062 /* Format the Request
1063 */
1064 pScsiTm = (SCSITaskMgmt_t *) mf;
1065 memset (pScsiTm, 0, sizeof(SCSITaskMgmt_t));
1066 pScsiTm->TargetID = id;
1067 pScsiTm->Bus = channel;
1068 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1069 pScsiTm->TaskType = MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
1070 pScsiTm->MsgFlags = MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION;
1071
1072 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)mf);
1073
1074 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1075 "TaskMgmt type=%d (sas device delete) fw_channel = %d fw_id = %d)\n",
1076 ioc->name, MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET, channel, id));
1077
1078 mpt_put_msg_frame_hi_pri(mptsasDeviceResetCtx, ioc, mf);
1079
1080 return 1;
1081
1082 out_fail:
1083
1084 mpt_clear_taskmgmt_in_progress_flag(ioc);
1085 return 0;
1086}
1087
1088static void
1089mptsas_block_io_sdev(struct scsi_device *sdev, void *data)
1090{
1091 scsi_device_set_state(sdev, SDEV_BLOCK);
1092}
1093
1094static void
1095mptsas_block_io_starget(struct scsi_target *starget)
1096{
1097 if (starget)
1098 starget_for_each_device(starget, NULL, mptsas_block_io_sdev);
1099}
1100
1101/**
1102 * mptsas_target_reset_queue
1103 *
1104 * Receive request for TARGET_RESET after receiving an firmware
1105 * event NOT_RESPONDING_EVENT, then put command in link list
1106 * and queue if task_queue already in use.
1107 *
1108 * @ioc
1109 * @sas_event_data
1110 *
1111 **/
1112static void
1113mptsas_target_reset_queue(MPT_ADAPTER *ioc,
1114 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data)
1115{
1116 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
1117 VirtTarget *vtarget = NULL;
1118 struct mptsas_target_reset_event *target_reset_list;
1119 u8 id, channel;
1120
1121 id = sas_event_data->TargetID;
1122 channel = sas_event_data->Bus;
1123
1124 vtarget = mptsas_find_vtarget(ioc, channel, id);
1125 if (vtarget) {
1126 mptsas_block_io_starget(vtarget->starget);
1127 vtarget->deleted = 1; /* block IO */
1128 }
1129
1130 target_reset_list = kzalloc(sizeof(struct mptsas_target_reset_event),
1131 GFP_ATOMIC);
1132 if (!target_reset_list) {
1133 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT
1134 "%s, failed to allocate mem @%d..!!\n",
1135 ioc->name, __func__, __LINE__));
1136 return;
1137 }
1138
1139 memcpy(&target_reset_list->sas_event_data, sas_event_data,
1140 sizeof(*sas_event_data));
1141 list_add_tail(&target_reset_list->list, &hd->target_reset_list);
1142
1143 target_reset_list->time_count = jiffies;
1144
1145 if (mptsas_target_reset(ioc, channel, id)) {
1146 target_reset_list->target_reset_issued = 1;
1147 }
1148}
1149
1150/**
1151 * mptsas_schedule_target_reset- send pending target reset
1152 * @iocp: per adapter object
1153 *
1154 * This function will delete scheduled target reset from the list and
1155 * try to send next target reset. This will be called from completion
1156 * context of any Task management command.
1157 */
1158
1159void
1160mptsas_schedule_target_reset(void *iocp)
1161{
1162 MPT_ADAPTER *ioc = (MPT_ADAPTER *)(iocp);
1163 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
1164 struct list_head *head = &hd->target_reset_list;
1165 struct mptsas_target_reset_event *target_reset_list;
1166 u8 id, channel;
1167 /*
1168 * issue target reset to next device in the queue
1169 */
1170
1171 head = &hd->target_reset_list;
1172 if (list_empty(head))
1173 return;
1174
1175 target_reset_list = list_entry(head->next,
1176 struct mptsas_target_reset_event, list);
1177
1178 id = target_reset_list->sas_event_data.TargetID;
1179 channel = target_reset_list->sas_event_data.Bus;
1180 target_reset_list->time_count = jiffies;
1181
1182 if (mptsas_target_reset(ioc, channel, id))
1183 target_reset_list->target_reset_issued = 1;
1184 return;
1185}
1186
1187
1188/**
1189 * mptsas_taskmgmt_complete - complete SAS task management function
1190 * @ioc: Pointer to MPT_ADAPTER structure
1191 *
1192 * Completion for TARGET_RESET after NOT_RESPONDING_EVENT, enable work
1193 * queue to finish off removing device from upper layers. then send next
1194 * TARGET_RESET in the queue.
1195 **/
1196static int
1197mptsas_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
1198{
1199 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
1200 struct list_head *head = &hd->target_reset_list;
1201 u8 id, channel;
1202 struct mptsas_target_reset_event *target_reset_list;
1203 SCSITaskMgmtReply_t *pScsiTmReply;
1204
1205 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt completed: "
1206 "(mf = %p, mr = %p)\n", ioc->name, mf, mr));
1207
1208 pScsiTmReply = (SCSITaskMgmtReply_t *)mr;
1209 if (pScsiTmReply) {
1210 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1211 "\tTaskMgmt completed: fw_channel = %d, fw_id = %d,\n"
1212 "\ttask_type = 0x%02X, iocstatus = 0x%04X "
1213 "loginfo = 0x%08X,\n\tresponse_code = 0x%02X, "
1214 "term_cmnds = %d\n", ioc->name,
1215 pScsiTmReply->Bus, pScsiTmReply->TargetID,
1216 pScsiTmReply->TaskType,
1217 le16_to_cpu(pScsiTmReply->IOCStatus),
1218 le32_to_cpu(pScsiTmReply->IOCLogInfo),
1219 pScsiTmReply->ResponseCode,
1220 le32_to_cpu(pScsiTmReply->TerminationCount)));
1221
1222 if (pScsiTmReply->ResponseCode)
1223 mptscsih_taskmgmt_response_code(ioc,
1224 pScsiTmReply->ResponseCode);
1225 }
1226
1227 if (pScsiTmReply && (pScsiTmReply->TaskType ==
1228 MPI_SCSITASKMGMT_TASKTYPE_QUERY_TASK || pScsiTmReply->TaskType ==
1229 MPI_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET)) {
1230 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
1231 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
1232 memcpy(ioc->taskmgmt_cmds.reply, mr,
1233 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
1234 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
1235 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
1236 complete(&ioc->taskmgmt_cmds.done);
1237 return 1;
1238 }
1239 return 0;
1240 }
1241
1242 mpt_clear_taskmgmt_in_progress_flag(ioc);
1243
1244 if (list_empty(head))
1245 return 1;
1246
1247 target_reset_list = list_entry(head->next,
1248 struct mptsas_target_reset_event, list);
1249
1250 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1251 "TaskMgmt: completed (%d seconds)\n",
1252 ioc->name, jiffies_to_msecs(jiffies -
1253 target_reset_list->time_count)/1000));
1254
1255 id = pScsiTmReply->TargetID;
1256 channel = pScsiTmReply->Bus;
1257 target_reset_list->time_count = jiffies;
1258
1259 /*
1260 * retry target reset
1261 */
1262 if (!target_reset_list->target_reset_issued) {
1263 if (mptsas_target_reset(ioc, channel, id))
1264 target_reset_list->target_reset_issued = 1;
1265 return 1;
1266 }
1267
1268 /*
1269 * enable work queue to remove device from upper layers
1270 */
1271 list_del(&target_reset_list->list);
1272 if (!ioc->fw_events_off)
1273 mptsas_queue_device_delete(ioc,
1274 &target_reset_list->sas_event_data);
1275
1276
1277 ioc->schedule_target_reset(ioc);
1278
1279 return 1;
1280}
1281
1282/**
1283 * mptscsih_ioc_reset
1284 *
1285 * @ioc
1286 * @reset_phase
1287 *
1288 **/
1289static int
1290mptsas_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
1291{
1292 MPT_SCSI_HOST *hd;
1293 int rc;
1294
1295 rc = mptscsih_ioc_reset(ioc, reset_phase);
1296 if ((ioc->bus_type != SAS) || (!rc))
1297 return rc;
1298
1299 hd = shost_priv(ioc->sh);
1300 if (!hd->ioc)
1301 goto out;
1302
1303 switch (reset_phase) {
1304 case MPT_IOC_SETUP_RESET:
1305 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1306 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
1307 mptsas_fw_event_off(ioc);
1308 break;
1309 case MPT_IOC_PRE_RESET:
1310 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1311 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
1312 break;
1313 case MPT_IOC_POST_RESET:
1314 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1315 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
1316 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_PENDING) {
1317 ioc->sas_mgmt.status |= MPT_MGMT_STATUS_DID_IOCRESET;
1318 complete(&ioc->sas_mgmt.done);
1319 }
1320 mptsas_cleanup_fw_event_q(ioc);
1321 mptsas_queue_rescan(ioc);
1322 break;
1323 default:
1324 break;
1325 }
1326
1327 out:
1328 return rc;
1329}
1330
1331
1332/**
1333 * enum device_state -
1334 * @DEVICE_RETRY: need to retry the TUR
1335 * @DEVICE_ERROR: TUR return error, don't add device
1336 * @DEVICE_READY: device can be added
1337 *
1338 */
1339enum device_state{
1340 DEVICE_RETRY,
1341 DEVICE_ERROR,
1342 DEVICE_READY,
1343};
1344
1345static int
1346mptsas_sas_enclosure_pg0(MPT_ADAPTER *ioc, struct mptsas_enclosure *enclosure,
1347 u32 form, u32 form_specific)
1348{
1349 ConfigExtendedPageHeader_t hdr;
1350 CONFIGPARMS cfg;
1351 SasEnclosurePage0_t *buffer;
1352 dma_addr_t dma_handle;
1353 int error;
1354 __le64 le_identifier;
1355
1356 memset(&hdr, 0, sizeof(hdr));
1357 hdr.PageVersion = MPI_SASENCLOSURE0_PAGEVERSION;
1358 hdr.PageNumber = 0;
1359 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
1360 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_ENCLOSURE;
1361
1362 cfg.cfghdr.ehdr = &hdr;
1363 cfg.physAddr = -1;
1364 cfg.pageAddr = form + form_specific;
1365 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
1366 cfg.dir = 0; /* read */
1367 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
1368
1369 error = mpt_config(ioc, &cfg);
1370 if (error)
1371 goto out;
1372 if (!hdr.ExtPageLength) {
1373 error = -ENXIO;
1374 goto out;
1375 }
1376
1377 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
1378 &dma_handle);
1379 if (!buffer) {
1380 error = -ENOMEM;
1381 goto out;
1382 }
1383
1384 cfg.physAddr = dma_handle;
1385 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
1386
1387 error = mpt_config(ioc, &cfg);
1388 if (error)
1389 goto out_free_consistent;
1390
1391 /* save config data */
1392 memcpy(&le_identifier, &buffer->EnclosureLogicalID, sizeof(__le64));
1393 enclosure->enclosure_logical_id = le64_to_cpu(le_identifier);
1394 enclosure->enclosure_handle = le16_to_cpu(buffer->EnclosureHandle);
1395 enclosure->flags = le16_to_cpu(buffer->Flags);
1396 enclosure->num_slot = le16_to_cpu(buffer->NumSlots);
1397 enclosure->start_slot = le16_to_cpu(buffer->StartSlot);
1398 enclosure->start_id = buffer->StartTargetID;
1399 enclosure->start_channel = buffer->StartBus;
1400 enclosure->sep_id = buffer->SEPTargetID;
1401 enclosure->sep_channel = buffer->SEPBus;
1402
1403 out_free_consistent:
1404 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
1405 buffer, dma_handle);
1406 out:
1407 return error;
1408}
1409
1410/**
1411 * mptsas_add_end_device - report a new end device to sas transport layer
1412 * @ioc: Pointer to MPT_ADAPTER structure
1413 * @phy_info: describes attached device
1414 *
1415 * return (0) success (1) failure
1416 *
1417 **/
1418static int
1419mptsas_add_end_device(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info)
1420{
1421 struct sas_rphy *rphy;
1422 struct sas_port *port;
1423 struct sas_identify identify;
1424 char *ds = NULL;
1425 u8 fw_id;
1426
1427 if (!phy_info) {
1428 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1429 "%s: exit at line=%d\n", ioc->name,
1430 __func__, __LINE__));
1431 return 1;
1432 }
1433
1434 fw_id = phy_info->attached.id;
1435
1436 if (mptsas_get_rphy(phy_info)) {
1437 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1438 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1439 __func__, fw_id, __LINE__));
1440 return 2;
1441 }
1442
1443 port = mptsas_get_port(phy_info);
1444 if (!port) {
1445 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1446 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1447 __func__, fw_id, __LINE__));
1448 return 3;
1449 }
1450
1451 if (phy_info->attached.device_info &
1452 MPI_SAS_DEVICE_INFO_SSP_TARGET)
1453 ds = "ssp";
1454 if (phy_info->attached.device_info &
1455 MPI_SAS_DEVICE_INFO_STP_TARGET)
1456 ds = "stp";
1457 if (phy_info->attached.device_info &
1458 MPI_SAS_DEVICE_INFO_SATA_DEVICE)
1459 ds = "sata";
1460
1461 printk(MYIOC_s_INFO_FMT "attaching %s device: fw_channel %d, fw_id %d,"
1462 " phy %d, sas_addr 0x%llx\n", ioc->name, ds,
1463 phy_info->attached.channel, phy_info->attached.id,
1464 phy_info->attached.phy_id, (unsigned long long)
1465 phy_info->attached.sas_address);
1466
1467 mptsas_parse_device_info(&identify, &phy_info->attached);
1468 rphy = sas_end_device_alloc(port);
1469 if (!rphy) {
1470 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1471 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1472 __func__, fw_id, __LINE__));
1473 return 5; /* non-fatal: an rphy can be added later */
1474 }
1475
1476 rphy->identify = identify;
1477 if (sas_rphy_add(rphy)) {
1478 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1479 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1480 __func__, fw_id, __LINE__));
1481 sas_rphy_free(rphy);
1482 return 6;
1483 }
1484 mptsas_set_rphy(ioc, phy_info, rphy);
1485 return 0;
1486}
1487
1488/**
1489 * mptsas_del_end_device - report a deleted end device to sas transport layer
1490 * @ioc: Pointer to MPT_ADAPTER structure
1491 * @phy_info: describes attached device
1492 *
1493 **/
1494static void
1495mptsas_del_end_device(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info)
1496{
1497 struct sas_rphy *rphy;
1498 struct sas_port *port;
1499 struct mptsas_portinfo *port_info;
1500 struct mptsas_phyinfo *phy_info_parent;
1501 int i;
1502 char *ds = NULL;
1503 u8 fw_id;
1504 u64 sas_address;
1505
1506 if (!phy_info)
1507 return;
1508
1509 fw_id = phy_info->attached.id;
1510 sas_address = phy_info->attached.sas_address;
1511
1512 if (!phy_info->port_details) {
1513 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1514 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1515 __func__, fw_id, __LINE__));
1516 return;
1517 }
1518 rphy = mptsas_get_rphy(phy_info);
1519 if (!rphy) {
1520 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1521 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1522 __func__, fw_id, __LINE__));
1523 return;
1524 }
1525
1526 if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_SSP_INITIATOR
1527 || phy_info->attached.device_info
1528 & MPI_SAS_DEVICE_INFO_SMP_INITIATOR
1529 || phy_info->attached.device_info
1530 & MPI_SAS_DEVICE_INFO_STP_INITIATOR)
1531 ds = "initiator";
1532 if (phy_info->attached.device_info &
1533 MPI_SAS_DEVICE_INFO_SSP_TARGET)
1534 ds = "ssp";
1535 if (phy_info->attached.device_info &
1536 MPI_SAS_DEVICE_INFO_STP_TARGET)
1537 ds = "stp";
1538 if (phy_info->attached.device_info &
1539 MPI_SAS_DEVICE_INFO_SATA_DEVICE)
1540 ds = "sata";
1541
1542 dev_printk(KERN_DEBUG, &rphy->dev, MYIOC_s_FMT
1543 "removing %s device: fw_channel %d, fw_id %d, phy %d,"
1544 "sas_addr 0x%llx\n", ioc->name, ds, phy_info->attached.channel,
1545 phy_info->attached.id, phy_info->attached.phy_id,
1546 (unsigned long long) sas_address);
1547
1548 port = mptsas_get_port(phy_info);
1549 if (!port) {
1550 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1551 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1552 __func__, fw_id, __LINE__));
1553 return;
1554 }
1555 port_info = phy_info->portinfo;
1556 phy_info_parent = port_info->phy_info;
1557 for (i = 0; i < port_info->num_phys; i++, phy_info_parent++) {
1558 if (!phy_info_parent->phy)
1559 continue;
1560 if (phy_info_parent->attached.sas_address !=
1561 sas_address)
1562 continue;
1563 dev_printk(KERN_DEBUG, &phy_info_parent->phy->dev,
1564 MYIOC_s_FMT "delete phy %d, phy-obj (0x%p)\n",
1565 ioc->name, phy_info_parent->phy_id,
1566 phy_info_parent->phy);
1567 sas_port_delete_phy(port, phy_info_parent->phy);
1568 }
1569
1570 dev_printk(KERN_DEBUG, &port->dev, MYIOC_s_FMT
1571 "delete port %d, sas_addr (0x%llx)\n", ioc->name,
1572 port->port_identifier, (unsigned long long)sas_address);
1573 sas_port_delete(port);
1574 mptsas_set_port(ioc, phy_info, NULL);
1575 mptsas_port_delete(ioc, phy_info->port_details);
1576}
1577
1578struct mptsas_phyinfo *
1579mptsas_refreshing_device_handles(MPT_ADAPTER *ioc,
1580 struct mptsas_devinfo *sas_device)
1581{
1582 struct mptsas_phyinfo *phy_info;
1583 struct mptsas_portinfo *port_info;
1584 int i;
1585
1586 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
1587 sas_device->sas_address);
1588 if (!phy_info)
1589 goto out;
1590 port_info = phy_info->portinfo;
1591 if (!port_info)
1592 goto out;
1593 mutex_lock(&ioc->sas_topology_mutex);
1594 for (i = 0; i < port_info->num_phys; i++) {
1595 if (port_info->phy_info[i].attached.sas_address !=
1596 sas_device->sas_address)
1597 continue;
1598 port_info->phy_info[i].attached.channel = sas_device->channel;
1599 port_info->phy_info[i].attached.id = sas_device->id;
1600 port_info->phy_info[i].attached.sas_address =
1601 sas_device->sas_address;
1602 port_info->phy_info[i].attached.handle = sas_device->handle;
1603 port_info->phy_info[i].attached.handle_parent =
1604 sas_device->handle_parent;
1605 port_info->phy_info[i].attached.handle_enclosure =
1606 sas_device->handle_enclosure;
1607 }
1608 mutex_unlock(&ioc->sas_topology_mutex);
1609 out:
1610 return phy_info;
1611}
1612
1613/**
1614 * mptsas_firmware_event_work - work thread for processing fw events
1615 * @work: work queue payload containing info describing the event
1616 * Context: user
1617 *
1618 */
1619static void
1620mptsas_firmware_event_work(struct work_struct *work)
1621{
1622 struct fw_event_work *fw_event =
1623 container_of(work, struct fw_event_work, work.work);
1624 MPT_ADAPTER *ioc = fw_event->ioc;
1625
1626 /* special rescan topology handling */
1627 if (fw_event->event == -1) {
1628 if (ioc->in_rescan) {
1629 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1630 "%s: rescan ignored as it is in progress\n",
1631 ioc->name, __func__));
1632 return;
1633 }
1634 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: rescan after "
1635 "reset\n", ioc->name, __func__));
1636 ioc->in_rescan = 1;
1637 mptsas_not_responding_devices(ioc);
1638 mptsas_scan_sas_topology(ioc);
1639 ioc->in_rescan = 0;
1640 mptsas_free_fw_event(ioc, fw_event);
1641 mptsas_fw_event_on(ioc);
1642 return;
1643 }
1644
1645 /* events handling turned off during host reset */
1646 if (ioc->fw_events_off) {
1647 mptsas_free_fw_event(ioc, fw_event);
1648 return;
1649 }
1650
1651 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: fw_event=(0x%p), "
1652 "event = (0x%02x)\n", ioc->name, __func__, fw_event,
1653 (fw_event->event & 0xFF)));
1654
1655 switch (fw_event->event) {
1656 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
1657 mptsas_send_sas_event(fw_event);
1658 break;
1659 case MPI_EVENT_INTEGRATED_RAID:
1660 mptsas_send_raid_event(fw_event);
1661 break;
1662 case MPI_EVENT_IR2:
1663 mptsas_send_ir2_event(fw_event);
1664 break;
1665 case MPI_EVENT_PERSISTENT_TABLE_FULL:
1666 mptbase_sas_persist_operation(ioc,
1667 MPI_SAS_OP_CLEAR_NOT_PRESENT);
1668 mptsas_free_fw_event(ioc, fw_event);
1669 break;
1670 case MPI_EVENT_SAS_BROADCAST_PRIMITIVE:
1671 mptsas_broadcast_primative_work(fw_event);
1672 break;
1673 case MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE:
1674 mptsas_send_expander_event(fw_event);
1675 break;
1676 case MPI_EVENT_SAS_PHY_LINK_STATUS:
1677 mptsas_send_link_status_event(fw_event);
1678 break;
1679 case MPI_EVENT_QUEUE_FULL:
1680 mptsas_handle_queue_full_event(fw_event);
1681 break;
1682 }
1683}
1684
1685
1686
1687static int
1688mptsas_slave_configure(struct scsi_device *sdev)
1689{
1690 struct Scsi_Host *host = sdev->host;
1691 MPT_SCSI_HOST *hd = shost_priv(host);
1692 MPT_ADAPTER *ioc = hd->ioc;
1693 VirtDevice *vdevice = sdev->hostdata;
1694
1695 if (vdevice->vtarget->deleted) {
1696 sdev_printk(KERN_INFO, sdev, "clearing deleted flag\n");
1697 vdevice->vtarget->deleted = 0;
1698 }
1699
1700 /*
1701 * RAID volumes placed beyond the last expected port.
1702 * Ignore sending sas mode pages in that case..
1703 */
1704 if (sdev->channel == MPTSAS_RAID_CHANNEL) {
1705 mptsas_add_device_component_starget_ir(ioc, scsi_target(sdev));
1706 goto out;
1707 }
1708
1709 sas_read_port_mode_page(sdev);
1710
1711 mptsas_add_device_component_starget(ioc, scsi_target(sdev));
1712
1713 out:
1714 return mptscsih_slave_configure(sdev);
1715}
1716
1717static int
1718mptsas_target_alloc(struct scsi_target *starget)
1719{
1720 struct Scsi_Host *host = dev_to_shost(&starget->dev);
1721 MPT_SCSI_HOST *hd = shost_priv(host);
1722 VirtTarget *vtarget;
1723 u8 id, channel;
1724 struct sas_rphy *rphy;
1725 struct mptsas_portinfo *p;
1726 int i;
1727 MPT_ADAPTER *ioc = hd->ioc;
1728
1729 vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL);
1730 if (!vtarget)
1731 return -ENOMEM;
1732
1733 vtarget->starget = starget;
1734 vtarget->ioc_id = ioc->id;
1735 vtarget->tflags = MPT_TARGET_FLAGS_Q_YES;
1736 id = starget->id;
1737 channel = 0;
1738
1739 /*
1740 * RAID volumes placed beyond the last expected port.
1741 */
1742 if (starget->channel == MPTSAS_RAID_CHANNEL) {
1743 if (!ioc->raid_data.pIocPg2) {
1744 kfree(vtarget);
1745 return -ENXIO;
1746 }
1747 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
1748 if (id == ioc->raid_data.pIocPg2->
1749 RaidVolume[i].VolumeID) {
1750 channel = ioc->raid_data.pIocPg2->
1751 RaidVolume[i].VolumeBus;
1752 }
1753 }
1754 vtarget->raidVolume = 1;
1755 goto out;
1756 }
1757
1758 rphy = dev_to_rphy(starget->dev.parent);
1759 mutex_lock(&ioc->sas_topology_mutex);
1760 list_for_each_entry(p, &ioc->sas_topology, list) {
1761 for (i = 0; i < p->num_phys; i++) {
1762 if (p->phy_info[i].attached.sas_address !=
1763 rphy->identify.sas_address)
1764 continue;
1765 id = p->phy_info[i].attached.id;
1766 channel = p->phy_info[i].attached.channel;
1767 mptsas_set_starget(&p->phy_info[i], starget);
1768
1769 /*
1770 * Exposing hidden raid components
1771 */
1772 if (mptscsih_is_phys_disk(ioc, channel, id)) {
1773 id = mptscsih_raid_id_to_num(ioc,
1774 channel, id);
1775 vtarget->tflags |=
1776 MPT_TARGET_FLAGS_RAID_COMPONENT;
1777 p->phy_info[i].attached.phys_disk_num = id;
1778 }
1779 mutex_unlock(&ioc->sas_topology_mutex);
1780 goto out;
1781 }
1782 }
1783 mutex_unlock(&ioc->sas_topology_mutex);
1784
1785 kfree(vtarget);
1786 return -ENXIO;
1787
1788 out:
1789 vtarget->id = id;
1790 vtarget->channel = channel;
1791 starget->hostdata = vtarget;
1792 return 0;
1793}
1794
1795static void
1796mptsas_target_destroy(struct scsi_target *starget)
1797{
1798 struct Scsi_Host *host = dev_to_shost(&starget->dev);
1799 MPT_SCSI_HOST *hd = shost_priv(host);
1800 struct sas_rphy *rphy;
1801 struct mptsas_portinfo *p;
1802 int i;
1803 MPT_ADAPTER *ioc = hd->ioc;
1804 VirtTarget *vtarget;
1805
1806 if (!starget->hostdata)
1807 return;
1808
1809 vtarget = starget->hostdata;
1810
1811 mptsas_del_device_component_by_os(ioc, starget->channel,
1812 starget->id);
1813
1814
1815 if (starget->channel == MPTSAS_RAID_CHANNEL)
1816 goto out;
1817
1818 rphy = dev_to_rphy(starget->dev.parent);
1819 list_for_each_entry(p, &ioc->sas_topology, list) {
1820 for (i = 0; i < p->num_phys; i++) {
1821 if (p->phy_info[i].attached.sas_address !=
1822 rphy->identify.sas_address)
1823 continue;
1824
1825 starget_printk(KERN_INFO, starget, MYIOC_s_FMT
1826 "delete device: fw_channel %d, fw_id %d, phy %d, "
1827 "sas_addr 0x%llx\n", ioc->name,
1828 p->phy_info[i].attached.channel,
1829 p->phy_info[i].attached.id,
1830 p->phy_info[i].attached.phy_id, (unsigned long long)
1831 p->phy_info[i].attached.sas_address);
1832
1833 mptsas_set_starget(&p->phy_info[i], NULL);
1834 }
1835 }
1836
1837 out:
1838 vtarget->starget = NULL;
1839 kfree(starget->hostdata);
1840 starget->hostdata = NULL;
1841}
1842
1843
1844static int
1845mptsas_slave_alloc(struct scsi_device *sdev)
1846{
1847 struct Scsi_Host *host = sdev->host;
1848 MPT_SCSI_HOST *hd = shost_priv(host);
1849 struct sas_rphy *rphy;
1850 struct mptsas_portinfo *p;
1851 VirtDevice *vdevice;
1852 struct scsi_target *starget;
1853 int i;
1854 MPT_ADAPTER *ioc = hd->ioc;
1855
1856 vdevice = kzalloc(sizeof(VirtDevice), GFP_KERNEL);
1857 if (!vdevice) {
1858 printk(MYIOC_s_ERR_FMT "slave_alloc kzalloc(%zd) FAILED!\n",
1859 ioc->name, sizeof(VirtDevice));
1860 return -ENOMEM;
1861 }
1862 starget = scsi_target(sdev);
1863 vdevice->vtarget = starget->hostdata;
1864
1865 if (sdev->channel == MPTSAS_RAID_CHANNEL)
1866 goto out;
1867
1868 rphy = dev_to_rphy(sdev->sdev_target->dev.parent);
1869 mutex_lock(&ioc->sas_topology_mutex);
1870 list_for_each_entry(p, &ioc->sas_topology, list) {
1871 for (i = 0; i < p->num_phys; i++) {
1872 if (p->phy_info[i].attached.sas_address !=
1873 rphy->identify.sas_address)
1874 continue;
1875 vdevice->lun = sdev->lun;
1876 /*
1877 * Exposing hidden raid components
1878 */
1879 if (mptscsih_is_phys_disk(ioc,
1880 p->phy_info[i].attached.channel,
1881 p->phy_info[i].attached.id))
1882 sdev->no_uld_attach = 1;
1883 mutex_unlock(&ioc->sas_topology_mutex);
1884 goto out;
1885 }
1886 }
1887 mutex_unlock(&ioc->sas_topology_mutex);
1888
1889 kfree(vdevice);
1890 return -ENXIO;
1891
1892 out:
1893 vdevice->vtarget->num_luns++;
1894 sdev->hostdata = vdevice;
1895 return 0;
1896}
1897
1898static int
1899mptsas_qcmd_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
1900{
1901 MPT_SCSI_HOST *hd;
1902 MPT_ADAPTER *ioc;
1903 VirtDevice *vdevice = SCpnt->device->hostdata;
1904
1905 if (!vdevice || !vdevice->vtarget || vdevice->vtarget->deleted) {
1906 SCpnt->result = DID_NO_CONNECT << 16;
1907 done(SCpnt);
1908 return 0;
1909 }
1910
1911 hd = shost_priv(SCpnt->device->host);
1912 ioc = hd->ioc;
1913
1914 if (ioc->sas_discovery_quiesce_io)
1915 return SCSI_MLQUEUE_HOST_BUSY;
1916
1917 if (ioc->debug_level & MPT_DEBUG_SCSI)
1918 scsi_print_command(SCpnt);
1919
1920 return mptscsih_qcmd(SCpnt,done);
1921}
1922
1923static DEF_SCSI_QCMD(mptsas_qcmd)
1924
1925/**
1926 * mptsas_mptsas_eh_timed_out - resets the scsi_cmnd timeout
1927 * if the device under question is currently in the
1928 * device removal delay.
1929 * @sc: scsi command that the midlayer is about to time out
1930 *
1931 **/
1932static enum blk_eh_timer_return mptsas_eh_timed_out(struct scsi_cmnd *sc)
1933{
1934 MPT_SCSI_HOST *hd;
1935 MPT_ADAPTER *ioc;
1936 VirtDevice *vdevice;
1937 enum blk_eh_timer_return rc = BLK_EH_NOT_HANDLED;
1938
1939 hd = shost_priv(sc->device->host);
1940 if (hd == NULL) {
1941 printk(KERN_ERR MYNAM ": %s: Can't locate host! (sc=%p)\n",
1942 __func__, sc);
1943 goto done;
1944 }
1945
1946 ioc = hd->ioc;
1947 if (ioc->bus_type != SAS) {
1948 printk(KERN_ERR MYNAM ": %s: Wrong bus type (sc=%p)\n",
1949 __func__, sc);
1950 goto done;
1951 }
1952
1953 /* In case if IOC is in reset from internal context.
1954 * Do not execute EEH for the same IOC. SML should to reset timer.
1955 */
1956 if (ioc->ioc_reset_in_progress) {
1957 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT ": %s: ioc is in reset,"
1958 "SML need to reset the timer (sc=%p)\n",
1959 ioc->name, __func__, sc));
1960 rc = BLK_EH_RESET_TIMER;
1961 }
1962 vdevice = sc->device->hostdata;
1963 if (vdevice && vdevice->vtarget && (vdevice->vtarget->inDMD
1964 || vdevice->vtarget->deleted)) {
1965 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT ": %s: target removed "
1966 "or in device removal delay (sc=%p)\n",
1967 ioc->name, __func__, sc));
1968 rc = BLK_EH_RESET_TIMER;
1969 goto done;
1970 }
1971
1972done:
1973 return rc;
1974}
1975
1976
1977static struct scsi_host_template mptsas_driver_template = {
1978 .module = THIS_MODULE,
1979 .proc_name = "mptsas",
1980 .show_info = mptscsih_show_info,
1981 .name = "MPT SAS Host",
1982 .info = mptscsih_info,
1983 .queuecommand = mptsas_qcmd,
1984 .target_alloc = mptsas_target_alloc,
1985 .slave_alloc = mptsas_slave_alloc,
1986 .slave_configure = mptsas_slave_configure,
1987 .target_destroy = mptsas_target_destroy,
1988 .slave_destroy = mptscsih_slave_destroy,
1989 .change_queue_depth = mptscsih_change_queue_depth,
1990 .eh_abort_handler = mptscsih_abort,
1991 .eh_device_reset_handler = mptscsih_dev_reset,
1992 .eh_host_reset_handler = mptscsih_host_reset,
1993 .bios_param = mptscsih_bios_param,
1994 .can_queue = MPT_SAS_CAN_QUEUE,
1995 .this_id = -1,
1996 .sg_tablesize = MPT_SCSI_SG_DEPTH,
1997 .max_sectors = 8192,
1998 .cmd_per_lun = 7,
1999 .use_clustering = ENABLE_CLUSTERING,
2000 .shost_attrs = mptscsih_host_attrs,
2001};
2002
2003static int mptsas_get_linkerrors(struct sas_phy *phy)
2004{
2005 MPT_ADAPTER *ioc = phy_to_ioc(phy);
2006 ConfigExtendedPageHeader_t hdr;
2007 CONFIGPARMS cfg;
2008 SasPhyPage1_t *buffer;
2009 dma_addr_t dma_handle;
2010 int error;
2011
2012 /* FIXME: only have link errors on local phys */
2013 if (!scsi_is_sas_phy_local(phy))
2014 return -EINVAL;
2015
2016 hdr.PageVersion = MPI_SASPHY1_PAGEVERSION;
2017 hdr.ExtPageLength = 0;
2018 hdr.PageNumber = 1 /* page number 1*/;
2019 hdr.Reserved1 = 0;
2020 hdr.Reserved2 = 0;
2021 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2022 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY;
2023
2024 cfg.cfghdr.ehdr = &hdr;
2025 cfg.physAddr = -1;
2026 cfg.pageAddr = phy->identify.phy_identifier;
2027 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2028 cfg.dir = 0; /* read */
2029 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2030
2031 error = mpt_config(ioc, &cfg);
2032 if (error)
2033 return error;
2034 if (!hdr.ExtPageLength)
2035 return -ENXIO;
2036
2037 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2038 &dma_handle);
2039 if (!buffer)
2040 return -ENOMEM;
2041
2042 cfg.physAddr = dma_handle;
2043 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2044
2045 error = mpt_config(ioc, &cfg);
2046 if (error)
2047 goto out_free_consistent;
2048
2049 mptsas_print_phy_pg1(ioc, buffer);
2050
2051 phy->invalid_dword_count = le32_to_cpu(buffer->InvalidDwordCount);
2052 phy->running_disparity_error_count =
2053 le32_to_cpu(buffer->RunningDisparityErrorCount);
2054 phy->loss_of_dword_sync_count =
2055 le32_to_cpu(buffer->LossDwordSynchCount);
2056 phy->phy_reset_problem_count =
2057 le32_to_cpu(buffer->PhyResetProblemCount);
2058
2059 out_free_consistent:
2060 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2061 buffer, dma_handle);
2062 return error;
2063}
2064
2065static int mptsas_mgmt_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2066 MPT_FRAME_HDR *reply)
2067{
2068 ioc->sas_mgmt.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2069 if (reply != NULL) {
2070 ioc->sas_mgmt.status |= MPT_MGMT_STATUS_RF_VALID;
2071 memcpy(ioc->sas_mgmt.reply, reply,
2072 min(ioc->reply_sz, 4 * reply->u.reply.MsgLength));
2073 }
2074
2075 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_PENDING) {
2076 ioc->sas_mgmt.status &= ~MPT_MGMT_STATUS_PENDING;
2077 complete(&ioc->sas_mgmt.done);
2078 return 1;
2079 }
2080 return 0;
2081}
2082
2083static int mptsas_phy_reset(struct sas_phy *phy, int hard_reset)
2084{
2085 MPT_ADAPTER *ioc = phy_to_ioc(phy);
2086 SasIoUnitControlRequest_t *req;
2087 SasIoUnitControlReply_t *reply;
2088 MPT_FRAME_HDR *mf;
2089 MPIHeader_t *hdr;
2090 unsigned long timeleft;
2091 int error = -ERESTARTSYS;
2092
2093 /* FIXME: fusion doesn't allow non-local phy reset */
2094 if (!scsi_is_sas_phy_local(phy))
2095 return -EINVAL;
2096
2097 /* not implemented for expanders */
2098 if (phy->identify.target_port_protocols & SAS_PROTOCOL_SMP)
2099 return -ENXIO;
2100
2101 if (mutex_lock_interruptible(&ioc->sas_mgmt.mutex))
2102 goto out;
2103
2104 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
2105 if (!mf) {
2106 error = -ENOMEM;
2107 goto out_unlock;
2108 }
2109
2110 hdr = (MPIHeader_t *) mf;
2111 req = (SasIoUnitControlRequest_t *)mf;
2112 memset(req, 0, sizeof(SasIoUnitControlRequest_t));
2113 req->Function = MPI_FUNCTION_SAS_IO_UNIT_CONTROL;
2114 req->MsgContext = hdr->MsgContext;
2115 req->Operation = hard_reset ?
2116 MPI_SAS_OP_PHY_HARD_RESET : MPI_SAS_OP_PHY_LINK_RESET;
2117 req->PhyNum = phy->identify.phy_identifier;
2118
2119 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status)
2120 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
2121
2122 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done,
2123 10 * HZ);
2124 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2125 error = -ETIME;
2126 mpt_free_msg_frame(ioc, mf);
2127 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
2128 goto out_unlock;
2129 if (!timeleft)
2130 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2131 goto out_unlock;
2132 }
2133
2134 /* a reply frame is expected */
2135 if ((ioc->sas_mgmt.status &
2136 MPT_MGMT_STATUS_RF_VALID) == 0) {
2137 error = -ENXIO;
2138 goto out_unlock;
2139 }
2140
2141 /* process the completed Reply Message Frame */
2142 reply = (SasIoUnitControlReply_t *)ioc->sas_mgmt.reply;
2143 if (reply->IOCStatus != MPI_IOCSTATUS_SUCCESS) {
2144 printk(MYIOC_s_INFO_FMT "%s: IOCStatus=0x%X IOCLogInfo=0x%X\n",
2145 ioc->name, __func__, reply->IOCStatus, reply->IOCLogInfo);
2146 error = -ENXIO;
2147 goto out_unlock;
2148 }
2149
2150 error = 0;
2151
2152 out_unlock:
2153 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status)
2154 mutex_unlock(&ioc->sas_mgmt.mutex);
2155 out:
2156 return error;
2157}
2158
2159static int
2160mptsas_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier)
2161{
2162 MPT_ADAPTER *ioc = rphy_to_ioc(rphy);
2163 int i, error;
2164 struct mptsas_portinfo *p;
2165 struct mptsas_enclosure enclosure_info;
2166 u64 enclosure_handle;
2167
2168 mutex_lock(&ioc->sas_topology_mutex);
2169 list_for_each_entry(p, &ioc->sas_topology, list) {
2170 for (i = 0; i < p->num_phys; i++) {
2171 if (p->phy_info[i].attached.sas_address ==
2172 rphy->identify.sas_address) {
2173 enclosure_handle = p->phy_info[i].
2174 attached.handle_enclosure;
2175 goto found_info;
2176 }
2177 }
2178 }
2179 mutex_unlock(&ioc->sas_topology_mutex);
2180 return -ENXIO;
2181
2182 found_info:
2183 mutex_unlock(&ioc->sas_topology_mutex);
2184 memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure));
2185 error = mptsas_sas_enclosure_pg0(ioc, &enclosure_info,
2186 (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE <<
2187 MPI_SAS_ENCLOS_PGAD_FORM_SHIFT), enclosure_handle);
2188 if (!error)
2189 *identifier = enclosure_info.enclosure_logical_id;
2190 return error;
2191}
2192
2193static int
2194mptsas_get_bay_identifier(struct sas_rphy *rphy)
2195{
2196 MPT_ADAPTER *ioc = rphy_to_ioc(rphy);
2197 struct mptsas_portinfo *p;
2198 int i, rc;
2199
2200 mutex_lock(&ioc->sas_topology_mutex);
2201 list_for_each_entry(p, &ioc->sas_topology, list) {
2202 for (i = 0; i < p->num_phys; i++) {
2203 if (p->phy_info[i].attached.sas_address ==
2204 rphy->identify.sas_address) {
2205 rc = p->phy_info[i].attached.slot;
2206 goto out;
2207 }
2208 }
2209 }
2210 rc = -ENXIO;
2211 out:
2212 mutex_unlock(&ioc->sas_topology_mutex);
2213 return rc;
2214}
2215
2216static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
2217 struct request *req)
2218{
2219 MPT_ADAPTER *ioc = ((MPT_SCSI_HOST *) shost->hostdata)->ioc;
2220 MPT_FRAME_HDR *mf;
2221 SmpPassthroughRequest_t *smpreq;
2222 struct request *rsp = req->next_rq;
2223 int ret;
2224 int flagsLength;
2225 unsigned long timeleft;
2226 char *psge;
2227 dma_addr_t dma_addr_in = 0;
2228 dma_addr_t dma_addr_out = 0;
2229 u64 sas_address = 0;
2230
2231 if (!rsp) {
2232 printk(MYIOC_s_ERR_FMT "%s: the smp response space is missing\n",
2233 ioc->name, __func__);
2234 return -EINVAL;
2235 }
2236
2237 /* do we need to support multiple segments? */
2238 if (bio_multiple_segments(req->bio) ||
2239 bio_multiple_segments(rsp->bio)) {
2240 printk(MYIOC_s_ERR_FMT "%s: multiple segments req %u, rsp %u\n",
2241 ioc->name, __func__, blk_rq_bytes(req), blk_rq_bytes(rsp));
2242 return -EINVAL;
2243 }
2244
2245 ret = mutex_lock_interruptible(&ioc->sas_mgmt.mutex);
2246 if (ret)
2247 goto out;
2248
2249 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
2250 if (!mf) {
2251 ret = -ENOMEM;
2252 goto out_unlock;
2253 }
2254
2255 smpreq = (SmpPassthroughRequest_t *)mf;
2256 memset(smpreq, 0, sizeof(*smpreq));
2257
2258 smpreq->RequestDataLength = cpu_to_le16(blk_rq_bytes(req) - 4);
2259 smpreq->Function = MPI_FUNCTION_SMP_PASSTHROUGH;
2260
2261 if (rphy)
2262 sas_address = rphy->identify.sas_address;
2263 else {
2264 struct mptsas_portinfo *port_info;
2265
2266 mutex_lock(&ioc->sas_topology_mutex);
2267 port_info = ioc->hba_port_info;
2268 if (port_info && port_info->phy_info)
2269 sas_address =
2270 port_info->phy_info[0].phy->identify.sas_address;
2271 mutex_unlock(&ioc->sas_topology_mutex);
2272 }
2273
2274 *((u64 *)&smpreq->SASAddress) = cpu_to_le64(sas_address);
2275
2276 psge = (char *)
2277 (((int *) mf) + (offsetof(SmpPassthroughRequest_t, SGL) / 4));
2278
2279 /* request */
2280 flagsLength = (MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2281 MPI_SGE_FLAGS_END_OF_BUFFER |
2282 MPI_SGE_FLAGS_DIRECTION)
2283 << MPI_SGE_FLAGS_SHIFT;
2284 flagsLength |= (blk_rq_bytes(req) - 4);
2285
2286 dma_addr_out = pci_map_single(ioc->pcidev, bio_data(req->bio),
2287 blk_rq_bytes(req), PCI_DMA_BIDIRECTIONAL);
2288 if (!dma_addr_out)
2289 goto put_mf;
2290 ioc->add_sge(psge, flagsLength, dma_addr_out);
2291 psge += ioc->SGE_size;
2292
2293 /* response */
2294 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2295 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
2296 MPI_SGE_FLAGS_IOC_TO_HOST |
2297 MPI_SGE_FLAGS_END_OF_BUFFER;
2298
2299 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT;
2300 flagsLength |= blk_rq_bytes(rsp) + 4;
2301 dma_addr_in = pci_map_single(ioc->pcidev, bio_data(rsp->bio),
2302 blk_rq_bytes(rsp), PCI_DMA_BIDIRECTIONAL);
2303 if (!dma_addr_in)
2304 goto unmap;
2305 ioc->add_sge(psge, flagsLength, dma_addr_in);
2306
2307 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status)
2308 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
2309
2310 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done, 10 * HZ);
2311 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2312 ret = -ETIME;
2313 mpt_free_msg_frame(ioc, mf);
2314 mf = NULL;
2315 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
2316 goto unmap;
2317 if (!timeleft)
2318 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2319 goto unmap;
2320 }
2321 mf = NULL;
2322
2323 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_RF_VALID) {
2324 SmpPassthroughReply_t *smprep;
2325
2326 smprep = (SmpPassthroughReply_t *)ioc->sas_mgmt.reply;
2327 memcpy(req->sense, smprep, sizeof(*smprep));
2328 req->sense_len = sizeof(*smprep);
2329 req->resid_len = 0;
2330 rsp->resid_len -= smprep->ResponseDataLength;
2331 } else {
2332 printk(MYIOC_s_ERR_FMT
2333 "%s: smp passthru reply failed to be returned\n",
2334 ioc->name, __func__);
2335 ret = -ENXIO;
2336 }
2337unmap:
2338 if (dma_addr_out)
2339 pci_unmap_single(ioc->pcidev, dma_addr_out, blk_rq_bytes(req),
2340 PCI_DMA_BIDIRECTIONAL);
2341 if (dma_addr_in)
2342 pci_unmap_single(ioc->pcidev, dma_addr_in, blk_rq_bytes(rsp),
2343 PCI_DMA_BIDIRECTIONAL);
2344put_mf:
2345 if (mf)
2346 mpt_free_msg_frame(ioc, mf);
2347out_unlock:
2348 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status)
2349 mutex_unlock(&ioc->sas_mgmt.mutex);
2350out:
2351 return ret;
2352}
2353
2354static struct sas_function_template mptsas_transport_functions = {
2355 .get_linkerrors = mptsas_get_linkerrors,
2356 .get_enclosure_identifier = mptsas_get_enclosure_identifier,
2357 .get_bay_identifier = mptsas_get_bay_identifier,
2358 .phy_reset = mptsas_phy_reset,
2359 .smp_handler = mptsas_smp_handler,
2360};
2361
2362static struct scsi_transport_template *mptsas_transport_template;
2363
2364static int
2365mptsas_sas_io_unit_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
2366{
2367 ConfigExtendedPageHeader_t hdr;
2368 CONFIGPARMS cfg;
2369 SasIOUnitPage0_t *buffer;
2370 dma_addr_t dma_handle;
2371 int error, i;
2372
2373 hdr.PageVersion = MPI_SASIOUNITPAGE0_PAGEVERSION;
2374 hdr.ExtPageLength = 0;
2375 hdr.PageNumber = 0;
2376 hdr.Reserved1 = 0;
2377 hdr.Reserved2 = 0;
2378 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2379 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
2380
2381 cfg.cfghdr.ehdr = &hdr;
2382 cfg.physAddr = -1;
2383 cfg.pageAddr = 0;
2384 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2385 cfg.dir = 0; /* read */
2386 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2387
2388 error = mpt_config(ioc, &cfg);
2389 if (error)
2390 goto out;
2391 if (!hdr.ExtPageLength) {
2392 error = -ENXIO;
2393 goto out;
2394 }
2395
2396 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2397 &dma_handle);
2398 if (!buffer) {
2399 error = -ENOMEM;
2400 goto out;
2401 }
2402
2403 cfg.physAddr = dma_handle;
2404 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2405
2406 error = mpt_config(ioc, &cfg);
2407 if (error)
2408 goto out_free_consistent;
2409
2410 port_info->num_phys = buffer->NumPhys;
2411 port_info->phy_info = kcalloc(port_info->num_phys,
2412 sizeof(struct mptsas_phyinfo), GFP_KERNEL);
2413 if (!port_info->phy_info) {
2414 error = -ENOMEM;
2415 goto out_free_consistent;
2416 }
2417
2418 ioc->nvdata_version_persistent =
2419 le16_to_cpu(buffer->NvdataVersionPersistent);
2420 ioc->nvdata_version_default =
2421 le16_to_cpu(buffer->NvdataVersionDefault);
2422
2423 for (i = 0; i < port_info->num_phys; i++) {
2424 mptsas_print_phy_data(ioc, &buffer->PhyData[i]);
2425 port_info->phy_info[i].phy_id = i;
2426 port_info->phy_info[i].port_id =
2427 buffer->PhyData[i].Port;
2428 port_info->phy_info[i].negotiated_link_rate =
2429 buffer->PhyData[i].NegotiatedLinkRate;
2430 port_info->phy_info[i].portinfo = port_info;
2431 port_info->phy_info[i].handle =
2432 le16_to_cpu(buffer->PhyData[i].ControllerDevHandle);
2433 }
2434
2435 out_free_consistent:
2436 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2437 buffer, dma_handle);
2438 out:
2439 return error;
2440}
2441
2442static int
2443mptsas_sas_io_unit_pg1(MPT_ADAPTER *ioc)
2444{
2445 ConfigExtendedPageHeader_t hdr;
2446 CONFIGPARMS cfg;
2447 SasIOUnitPage1_t *buffer;
2448 dma_addr_t dma_handle;
2449 int error;
2450 u8 device_missing_delay;
2451
2452 memset(&hdr, 0, sizeof(ConfigExtendedPageHeader_t));
2453 memset(&cfg, 0, sizeof(CONFIGPARMS));
2454
2455 cfg.cfghdr.ehdr = &hdr;
2456 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2457 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2458 cfg.cfghdr.ehdr->PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2459 cfg.cfghdr.ehdr->ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
2460 cfg.cfghdr.ehdr->PageVersion = MPI_SASIOUNITPAGE1_PAGEVERSION;
2461 cfg.cfghdr.ehdr->PageNumber = 1;
2462
2463 error = mpt_config(ioc, &cfg);
2464 if (error)
2465 goto out;
2466 if (!hdr.ExtPageLength) {
2467 error = -ENXIO;
2468 goto out;
2469 }
2470
2471 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2472 &dma_handle);
2473 if (!buffer) {
2474 error = -ENOMEM;
2475 goto out;
2476 }
2477
2478 cfg.physAddr = dma_handle;
2479 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2480
2481 error = mpt_config(ioc, &cfg);
2482 if (error)
2483 goto out_free_consistent;
2484
2485 ioc->io_missing_delay =
2486 le16_to_cpu(buffer->IODeviceMissingDelay);
2487 device_missing_delay = buffer->ReportDeviceMissingDelay;
2488 ioc->device_missing_delay = (device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_UNIT_16) ?
2489 (device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16 :
2490 device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
2491
2492 out_free_consistent:
2493 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2494 buffer, dma_handle);
2495 out:
2496 return error;
2497}
2498
2499static int
2500mptsas_sas_phy_pg0(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
2501 u32 form, u32 form_specific)
2502{
2503 ConfigExtendedPageHeader_t hdr;
2504 CONFIGPARMS cfg;
2505 SasPhyPage0_t *buffer;
2506 dma_addr_t dma_handle;
2507 int error;
2508
2509 hdr.PageVersion = MPI_SASPHY0_PAGEVERSION;
2510 hdr.ExtPageLength = 0;
2511 hdr.PageNumber = 0;
2512 hdr.Reserved1 = 0;
2513 hdr.Reserved2 = 0;
2514 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2515 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY;
2516
2517 cfg.cfghdr.ehdr = &hdr;
2518 cfg.dir = 0; /* read */
2519 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2520
2521 /* Get Phy Pg 0 for each Phy. */
2522 cfg.physAddr = -1;
2523 cfg.pageAddr = form + form_specific;
2524 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2525
2526 error = mpt_config(ioc, &cfg);
2527 if (error)
2528 goto out;
2529
2530 if (!hdr.ExtPageLength) {
2531 error = -ENXIO;
2532 goto out;
2533 }
2534
2535 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2536 &dma_handle);
2537 if (!buffer) {
2538 error = -ENOMEM;
2539 goto out;
2540 }
2541
2542 cfg.physAddr = dma_handle;
2543 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2544
2545 error = mpt_config(ioc, &cfg);
2546 if (error)
2547 goto out_free_consistent;
2548
2549 mptsas_print_phy_pg0(ioc, buffer);
2550
2551 phy_info->hw_link_rate = buffer->HwLinkRate;
2552 phy_info->programmed_link_rate = buffer->ProgrammedLinkRate;
2553 phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle);
2554 phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle);
2555
2556 out_free_consistent:
2557 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2558 buffer, dma_handle);
2559 out:
2560 return error;
2561}
2562
2563static int
2564mptsas_sas_device_pg0(MPT_ADAPTER *ioc, struct mptsas_devinfo *device_info,
2565 u32 form, u32 form_specific)
2566{
2567 ConfigExtendedPageHeader_t hdr;
2568 CONFIGPARMS cfg;
2569 SasDevicePage0_t *buffer;
2570 dma_addr_t dma_handle;
2571 __le64 sas_address;
2572 int error=0;
2573
2574 hdr.PageVersion = MPI_SASDEVICE0_PAGEVERSION;
2575 hdr.ExtPageLength = 0;
2576 hdr.PageNumber = 0;
2577 hdr.Reserved1 = 0;
2578 hdr.Reserved2 = 0;
2579 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2580 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE;
2581
2582 cfg.cfghdr.ehdr = &hdr;
2583 cfg.pageAddr = form + form_specific;
2584 cfg.physAddr = -1;
2585 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2586 cfg.dir = 0; /* read */
2587 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2588
2589 memset(device_info, 0, sizeof(struct mptsas_devinfo));
2590 error = mpt_config(ioc, &cfg);
2591 if (error)
2592 goto out;
2593 if (!hdr.ExtPageLength) {
2594 error = -ENXIO;
2595 goto out;
2596 }
2597
2598 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2599 &dma_handle);
2600 if (!buffer) {
2601 error = -ENOMEM;
2602 goto out;
2603 }
2604
2605 cfg.physAddr = dma_handle;
2606 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2607
2608 error = mpt_config(ioc, &cfg);
2609
2610 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
2611 error = -ENODEV;
2612 goto out_free_consistent;
2613 }
2614
2615 if (error)
2616 goto out_free_consistent;
2617
2618 mptsas_print_device_pg0(ioc, buffer);
2619
2620 memset(device_info, 0, sizeof(struct mptsas_devinfo));
2621 device_info->handle = le16_to_cpu(buffer->DevHandle);
2622 device_info->handle_parent = le16_to_cpu(buffer->ParentDevHandle);
2623 device_info->handle_enclosure =
2624 le16_to_cpu(buffer->EnclosureHandle);
2625 device_info->slot = le16_to_cpu(buffer->Slot);
2626 device_info->phy_id = buffer->PhyNum;
2627 device_info->port_id = buffer->PhysicalPort;
2628 device_info->id = buffer->TargetID;
2629 device_info->phys_disk_num = ~0;
2630 device_info->channel = buffer->Bus;
2631 memcpy(&sas_address, &buffer->SASAddress, sizeof(__le64));
2632 device_info->sas_address = le64_to_cpu(sas_address);
2633 device_info->device_info =
2634 le32_to_cpu(buffer->DeviceInfo);
2635 device_info->flags = le16_to_cpu(buffer->Flags);
2636
2637 out_free_consistent:
2638 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2639 buffer, dma_handle);
2640 out:
2641 return error;
2642}
2643
2644static int
2645mptsas_sas_expander_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info,
2646 u32 form, u32 form_specific)
2647{
2648 ConfigExtendedPageHeader_t hdr;
2649 CONFIGPARMS cfg;
2650 SasExpanderPage0_t *buffer;
2651 dma_addr_t dma_handle;
2652 int i, error;
2653 __le64 sas_address;
2654
2655 memset(port_info, 0, sizeof(struct mptsas_portinfo));
2656 hdr.PageVersion = MPI_SASEXPANDER0_PAGEVERSION;
2657 hdr.ExtPageLength = 0;
2658 hdr.PageNumber = 0;
2659 hdr.Reserved1 = 0;
2660 hdr.Reserved2 = 0;
2661 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2662 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
2663
2664 cfg.cfghdr.ehdr = &hdr;
2665 cfg.physAddr = -1;
2666 cfg.pageAddr = form + form_specific;
2667 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2668 cfg.dir = 0; /* read */
2669 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2670
2671 memset(port_info, 0, sizeof(struct mptsas_portinfo));
2672 error = mpt_config(ioc, &cfg);
2673 if (error)
2674 goto out;
2675
2676 if (!hdr.ExtPageLength) {
2677 error = -ENXIO;
2678 goto out;
2679 }
2680
2681 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2682 &dma_handle);
2683 if (!buffer) {
2684 error = -ENOMEM;
2685 goto out;
2686 }
2687
2688 cfg.physAddr = dma_handle;
2689 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2690
2691 error = mpt_config(ioc, &cfg);
2692 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
2693 error = -ENODEV;
2694 goto out_free_consistent;
2695 }
2696
2697 if (error)
2698 goto out_free_consistent;
2699
2700 /* save config data */
2701 port_info->num_phys = (buffer->NumPhys) ? buffer->NumPhys : 1;
2702 port_info->phy_info = kcalloc(port_info->num_phys,
2703 sizeof(struct mptsas_phyinfo), GFP_KERNEL);
2704 if (!port_info->phy_info) {
2705 error = -ENOMEM;
2706 goto out_free_consistent;
2707 }
2708
2709 memcpy(&sas_address, &buffer->SASAddress, sizeof(__le64));
2710 for (i = 0; i < port_info->num_phys; i++) {
2711 port_info->phy_info[i].portinfo = port_info;
2712 port_info->phy_info[i].handle =
2713 le16_to_cpu(buffer->DevHandle);
2714 port_info->phy_info[i].identify.sas_address =
2715 le64_to_cpu(sas_address);
2716 port_info->phy_info[i].identify.handle_parent =
2717 le16_to_cpu(buffer->ParentDevHandle);
2718 }
2719
2720 out_free_consistent:
2721 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2722 buffer, dma_handle);
2723 out:
2724 return error;
2725}
2726
2727static int
2728mptsas_sas_expander_pg1(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
2729 u32 form, u32 form_specific)
2730{
2731 ConfigExtendedPageHeader_t hdr;
2732 CONFIGPARMS cfg;
2733 SasExpanderPage1_t *buffer;
2734 dma_addr_t dma_handle;
2735 int error=0;
2736
2737 hdr.PageVersion = MPI_SASEXPANDER1_PAGEVERSION;
2738 hdr.ExtPageLength = 0;
2739 hdr.PageNumber = 1;
2740 hdr.Reserved1 = 0;
2741 hdr.Reserved2 = 0;
2742 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2743 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
2744
2745 cfg.cfghdr.ehdr = &hdr;
2746 cfg.physAddr = -1;
2747 cfg.pageAddr = form + form_specific;
2748 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2749 cfg.dir = 0; /* read */
2750 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2751
2752 error = mpt_config(ioc, &cfg);
2753 if (error)
2754 goto out;
2755
2756 if (!hdr.ExtPageLength) {
2757 error = -ENXIO;
2758 goto out;
2759 }
2760
2761 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2762 &dma_handle);
2763 if (!buffer) {
2764 error = -ENOMEM;
2765 goto out;
2766 }
2767
2768 cfg.physAddr = dma_handle;
2769 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2770
2771 error = mpt_config(ioc, &cfg);
2772
2773 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
2774 error = -ENODEV;
2775 goto out_free_consistent;
2776 }
2777
2778 if (error)
2779 goto out_free_consistent;
2780
2781
2782 mptsas_print_expander_pg1(ioc, buffer);
2783
2784 /* save config data */
2785 phy_info->phy_id = buffer->PhyIdentifier;
2786 phy_info->port_id = buffer->PhysicalPort;
2787 phy_info->negotiated_link_rate = buffer->NegotiatedLinkRate;
2788 phy_info->programmed_link_rate = buffer->ProgrammedLinkRate;
2789 phy_info->hw_link_rate = buffer->HwLinkRate;
2790 phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle);
2791 phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle);
2792
2793 out_free_consistent:
2794 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2795 buffer, dma_handle);
2796 out:
2797 return error;
2798}
2799
2800struct rep_manu_request{
2801 u8 smp_frame_type;
2802 u8 function;
2803 u8 reserved;
2804 u8 request_length;
2805};
2806
2807struct rep_manu_reply{
2808 u8 smp_frame_type; /* 0x41 */
2809 u8 function; /* 0x01 */
2810 u8 function_result;
2811 u8 response_length;
2812 u16 expander_change_count;
2813 u8 reserved0[2];
2814 u8 sas_format:1;
2815 u8 reserved1:7;
2816 u8 reserved2[3];
2817 u8 vendor_id[SAS_EXPANDER_VENDOR_ID_LEN];
2818 u8 product_id[SAS_EXPANDER_PRODUCT_ID_LEN];
2819 u8 product_rev[SAS_EXPANDER_PRODUCT_REV_LEN];
2820 u8 component_vendor_id[SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN];
2821 u16 component_id;
2822 u8 component_revision_id;
2823 u8 reserved3;
2824 u8 vendor_specific[8];
2825};
2826
2827/**
2828 * mptsas_exp_repmanufacture_info -
2829 * @ioc: per adapter object
2830 * @sas_address: expander sas address
2831 * @edev: the sas_expander_device object
2832 *
2833 * Fills in the sas_expander_device object when SMP port is created.
2834 *
2835 * Returns 0 for success, non-zero for failure.
2836 */
2837static int
2838mptsas_exp_repmanufacture_info(MPT_ADAPTER *ioc,
2839 u64 sas_address, struct sas_expander_device *edev)
2840{
2841 MPT_FRAME_HDR *mf;
2842 SmpPassthroughRequest_t *smpreq;
2843 SmpPassthroughReply_t *smprep;
2844 struct rep_manu_reply *manufacture_reply;
2845 struct rep_manu_request *manufacture_request;
2846 int ret;
2847 int flagsLength;
2848 unsigned long timeleft;
2849 char *psge;
2850 unsigned long flags;
2851 void *data_out = NULL;
2852 dma_addr_t data_out_dma = 0;
2853 u32 sz;
2854
2855 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2856 if (ioc->ioc_reset_in_progress) {
2857 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2858 printk(MYIOC_s_INFO_FMT "%s: host reset in progress!\n",
2859 __func__, ioc->name);
2860 return -EFAULT;
2861 }
2862 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2863
2864 ret = mutex_lock_interruptible(&ioc->sas_mgmt.mutex);
2865 if (ret)
2866 goto out;
2867
2868 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
2869 if (!mf) {
2870 ret = -ENOMEM;
2871 goto out_unlock;
2872 }
2873
2874 smpreq = (SmpPassthroughRequest_t *)mf;
2875 memset(smpreq, 0, sizeof(*smpreq));
2876
2877 sz = sizeof(struct rep_manu_request) + sizeof(struct rep_manu_reply);
2878
2879 data_out = pci_alloc_consistent(ioc->pcidev, sz, &data_out_dma);
2880 if (!data_out) {
2881 printk(KERN_ERR "Memory allocation failure at %s:%d/%s()!\n",
2882 __FILE__, __LINE__, __func__);
2883 ret = -ENOMEM;
2884 goto put_mf;
2885 }
2886
2887 manufacture_request = data_out;
2888 manufacture_request->smp_frame_type = 0x40;
2889 manufacture_request->function = 1;
2890 manufacture_request->reserved = 0;
2891 manufacture_request->request_length = 0;
2892
2893 smpreq->Function = MPI_FUNCTION_SMP_PASSTHROUGH;
2894 smpreq->PhysicalPort = 0xFF;
2895 *((u64 *)&smpreq->SASAddress) = cpu_to_le64(sas_address);
2896 smpreq->RequestDataLength = sizeof(struct rep_manu_request);
2897
2898 psge = (char *)
2899 (((int *) mf) + (offsetof(SmpPassthroughRequest_t, SGL) / 4));
2900
2901 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2902 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
2903 MPI_SGE_FLAGS_HOST_TO_IOC |
2904 MPI_SGE_FLAGS_END_OF_BUFFER;
2905 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT;
2906 flagsLength |= sizeof(struct rep_manu_request);
2907
2908 ioc->add_sge(psge, flagsLength, data_out_dma);
2909 psge += ioc->SGE_size;
2910
2911 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2912 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
2913 MPI_SGE_FLAGS_IOC_TO_HOST |
2914 MPI_SGE_FLAGS_END_OF_BUFFER;
2915 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT;
2916 flagsLength |= sizeof(struct rep_manu_reply);
2917 ioc->add_sge(psge, flagsLength, data_out_dma +
2918 sizeof(struct rep_manu_request));
2919
2920 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status)
2921 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
2922
2923 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done, 10 * HZ);
2924 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2925 ret = -ETIME;
2926 mpt_free_msg_frame(ioc, mf);
2927 mf = NULL;
2928 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
2929 goto out_free;
2930 if (!timeleft)
2931 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2932 goto out_free;
2933 }
2934
2935 mf = NULL;
2936
2937 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_RF_VALID) {
2938 u8 *tmp;
2939
2940 smprep = (SmpPassthroughReply_t *)ioc->sas_mgmt.reply;
2941 if (le16_to_cpu(smprep->ResponseDataLength) !=
2942 sizeof(struct rep_manu_reply))
2943 goto out_free;
2944
2945 manufacture_reply = data_out + sizeof(struct rep_manu_request);
2946 strncpy(edev->vendor_id, manufacture_reply->vendor_id,
2947 SAS_EXPANDER_VENDOR_ID_LEN);
2948 strncpy(edev->product_id, manufacture_reply->product_id,
2949 SAS_EXPANDER_PRODUCT_ID_LEN);
2950 strncpy(edev->product_rev, manufacture_reply->product_rev,
2951 SAS_EXPANDER_PRODUCT_REV_LEN);
2952 edev->level = manufacture_reply->sas_format;
2953 if (manufacture_reply->sas_format) {
2954 strncpy(edev->component_vendor_id,
2955 manufacture_reply->component_vendor_id,
2956 SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN);
2957 tmp = (u8 *)&manufacture_reply->component_id;
2958 edev->component_id = tmp[0] << 8 | tmp[1];
2959 edev->component_revision_id =
2960 manufacture_reply->component_revision_id;
2961 }
2962 } else {
2963 printk(MYIOC_s_ERR_FMT
2964 "%s: smp passthru reply failed to be returned\n",
2965 ioc->name, __func__);
2966 ret = -ENXIO;
2967 }
2968out_free:
2969 if (data_out_dma)
2970 pci_free_consistent(ioc->pcidev, sz, data_out, data_out_dma);
2971put_mf:
2972 if (mf)
2973 mpt_free_msg_frame(ioc, mf);
2974out_unlock:
2975 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status)
2976 mutex_unlock(&ioc->sas_mgmt.mutex);
2977out:
2978 return ret;
2979 }
2980
2981static void
2982mptsas_parse_device_info(struct sas_identify *identify,
2983 struct mptsas_devinfo *device_info)
2984{
2985 u16 protocols;
2986
2987 identify->sas_address = device_info->sas_address;
2988 identify->phy_identifier = device_info->phy_id;
2989
2990 /*
2991 * Fill in Phy Initiator Port Protocol.
2992 * Bits 6:3, more than one bit can be set, fall through cases.
2993 */
2994 protocols = device_info->device_info & 0x78;
2995 identify->initiator_port_protocols = 0;
2996 if (protocols & MPI_SAS_DEVICE_INFO_SSP_INITIATOR)
2997 identify->initiator_port_protocols |= SAS_PROTOCOL_SSP;
2998 if (protocols & MPI_SAS_DEVICE_INFO_STP_INITIATOR)
2999 identify->initiator_port_protocols |= SAS_PROTOCOL_STP;
3000 if (protocols & MPI_SAS_DEVICE_INFO_SMP_INITIATOR)
3001 identify->initiator_port_protocols |= SAS_PROTOCOL_SMP;
3002 if (protocols & MPI_SAS_DEVICE_INFO_SATA_HOST)
3003 identify->initiator_port_protocols |= SAS_PROTOCOL_SATA;
3004
3005 /*
3006 * Fill in Phy Target Port Protocol.
3007 * Bits 10:7, more than one bit can be set, fall through cases.
3008 */
3009 protocols = device_info->device_info & 0x780;
3010 identify->target_port_protocols = 0;
3011 if (protocols & MPI_SAS_DEVICE_INFO_SSP_TARGET)
3012 identify->target_port_protocols |= SAS_PROTOCOL_SSP;
3013 if (protocols & MPI_SAS_DEVICE_INFO_STP_TARGET)
3014 identify->target_port_protocols |= SAS_PROTOCOL_STP;
3015 if (protocols & MPI_SAS_DEVICE_INFO_SMP_TARGET)
3016 identify->target_port_protocols |= SAS_PROTOCOL_SMP;
3017 if (protocols & MPI_SAS_DEVICE_INFO_SATA_DEVICE)
3018 identify->target_port_protocols |= SAS_PROTOCOL_SATA;
3019
3020 /*
3021 * Fill in Attached device type.
3022 */
3023 switch (device_info->device_info &
3024 MPI_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) {
3025 case MPI_SAS_DEVICE_INFO_NO_DEVICE:
3026 identify->device_type = SAS_PHY_UNUSED;
3027 break;
3028 case MPI_SAS_DEVICE_INFO_END_DEVICE:
3029 identify->device_type = SAS_END_DEVICE;
3030 break;
3031 case MPI_SAS_DEVICE_INFO_EDGE_EXPANDER:
3032 identify->device_type = SAS_EDGE_EXPANDER_DEVICE;
3033 break;
3034 case MPI_SAS_DEVICE_INFO_FANOUT_EXPANDER:
3035 identify->device_type = SAS_FANOUT_EXPANDER_DEVICE;
3036 break;
3037 }
3038}
3039
3040static int mptsas_probe_one_phy(struct device *dev,
3041 struct mptsas_phyinfo *phy_info, int index, int local)
3042{
3043 MPT_ADAPTER *ioc;
3044 struct sas_phy *phy;
3045 struct sas_port *port;
3046 int error = 0;
3047 VirtTarget *vtarget;
3048
3049 if (!dev) {
3050 error = -ENODEV;
3051 goto out;
3052 }
3053
3054 if (!phy_info->phy) {
3055 phy = sas_phy_alloc(dev, index);
3056 if (!phy) {
3057 error = -ENOMEM;
3058 goto out;
3059 }
3060 } else
3061 phy = phy_info->phy;
3062
3063 mptsas_parse_device_info(&phy->identify, &phy_info->identify);
3064
3065 /*
3066 * Set Negotiated link rate.
3067 */
3068 switch (phy_info->negotiated_link_rate) {
3069 case MPI_SAS_IOUNIT0_RATE_PHY_DISABLED:
3070 phy->negotiated_linkrate = SAS_PHY_DISABLED;
3071 break;
3072 case MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION:
3073 phy->negotiated_linkrate = SAS_LINK_RATE_FAILED;
3074 break;
3075 case MPI_SAS_IOUNIT0_RATE_1_5:
3076 phy->negotiated_linkrate = SAS_LINK_RATE_1_5_GBPS;
3077 break;
3078 case MPI_SAS_IOUNIT0_RATE_3_0:
3079 phy->negotiated_linkrate = SAS_LINK_RATE_3_0_GBPS;
3080 break;
3081 case MPI_SAS_IOUNIT0_RATE_6_0:
3082 phy->negotiated_linkrate = SAS_LINK_RATE_6_0_GBPS;
3083 break;
3084 case MPI_SAS_IOUNIT0_RATE_SATA_OOB_COMPLETE:
3085 case MPI_SAS_IOUNIT0_RATE_UNKNOWN:
3086 default:
3087 phy->negotiated_linkrate = SAS_LINK_RATE_UNKNOWN;
3088 break;
3089 }
3090
3091 /*
3092 * Set Max hardware link rate.
3093 */
3094 switch (phy_info->hw_link_rate & MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) {
3095 case MPI_SAS_PHY0_HWRATE_MAX_RATE_1_5:
3096 phy->maximum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3097 break;
3098 case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0:
3099 phy->maximum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS;
3100 break;
3101 default:
3102 break;
3103 }
3104
3105 /*
3106 * Set Max programmed link rate.
3107 */
3108 switch (phy_info->programmed_link_rate &
3109 MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) {
3110 case MPI_SAS_PHY0_PRATE_MAX_RATE_1_5:
3111 phy->maximum_linkrate = SAS_LINK_RATE_1_5_GBPS;
3112 break;
3113 case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0:
3114 phy->maximum_linkrate = SAS_LINK_RATE_3_0_GBPS;
3115 break;
3116 default:
3117 break;
3118 }
3119
3120 /*
3121 * Set Min hardware link rate.
3122 */
3123 switch (phy_info->hw_link_rate & MPI_SAS_PHY0_HWRATE_MIN_RATE_MASK) {
3124 case MPI_SAS_PHY0_HWRATE_MIN_RATE_1_5:
3125 phy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3126 break;
3127 case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0:
3128 phy->minimum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS;
3129 break;
3130 default:
3131 break;
3132 }
3133
3134 /*
3135 * Set Min programmed link rate.
3136 */
3137 switch (phy_info->programmed_link_rate &
3138 MPI_SAS_PHY0_PRATE_MIN_RATE_MASK) {
3139 case MPI_SAS_PHY0_PRATE_MIN_RATE_1_5:
3140 phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
3141 break;
3142 case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0:
3143 phy->minimum_linkrate = SAS_LINK_RATE_3_0_GBPS;
3144 break;
3145 default:
3146 break;
3147 }
3148
3149 if (!phy_info->phy) {
3150
3151 error = sas_phy_add(phy);
3152 if (error) {
3153 sas_phy_free(phy);
3154 goto out;
3155 }
3156 phy_info->phy = phy;
3157 }
3158
3159 if (!phy_info->attached.handle ||
3160 !phy_info->port_details)
3161 goto out;
3162
3163 port = mptsas_get_port(phy_info);
3164 ioc = phy_to_ioc(phy_info->phy);
3165
3166 if (phy_info->sas_port_add_phy) {
3167
3168 if (!port) {
3169 port = sas_port_alloc_num(dev);
3170 if (!port) {
3171 error = -ENOMEM;
3172 goto out;
3173 }
3174 error = sas_port_add(port);
3175 if (error) {
3176 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3177 "%s: exit at line=%d\n", ioc->name,
3178 __func__, __LINE__));
3179 goto out;
3180 }
3181 mptsas_set_port(ioc, phy_info, port);
3182 devtprintk(ioc, dev_printk(KERN_DEBUG, &port->dev,
3183 MYIOC_s_FMT "add port %d, sas_addr (0x%llx)\n",
3184 ioc->name, port->port_identifier,
3185 (unsigned long long)phy_info->
3186 attached.sas_address));
3187 }
3188 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3189 "sas_port_add_phy: phy_id=%d\n",
3190 ioc->name, phy_info->phy_id));
3191 sas_port_add_phy(port, phy_info->phy);
3192 phy_info->sas_port_add_phy = 0;
3193 devtprintk(ioc, dev_printk(KERN_DEBUG, &phy_info->phy->dev,
3194 MYIOC_s_FMT "add phy %d, phy-obj (0x%p)\n", ioc->name,
3195 phy_info->phy_id, phy_info->phy));
3196 }
3197 if (!mptsas_get_rphy(phy_info) && port && !port->rphy) {
3198
3199 struct sas_rphy *rphy;
3200 struct device *parent;
3201 struct sas_identify identify;
3202
3203 parent = dev->parent->parent;
3204 /*
3205 * Let the hotplug_work thread handle processing
3206 * the adding/removing of devices that occur
3207 * after start of day.
3208 */
3209 if (mptsas_is_end_device(&phy_info->attached) &&
3210 phy_info->attached.handle_parent) {
3211 goto out;
3212 }
3213
3214 mptsas_parse_device_info(&identify, &phy_info->attached);
3215 if (scsi_is_host_device(parent)) {
3216 struct mptsas_portinfo *port_info;
3217 int i;
3218
3219 port_info = ioc->hba_port_info;
3220
3221 for (i = 0; i < port_info->num_phys; i++)
3222 if (port_info->phy_info[i].identify.sas_address ==
3223 identify.sas_address) {
3224 sas_port_mark_backlink(port);
3225 goto out;
3226 }
3227
3228 } else if (scsi_is_sas_rphy(parent)) {
3229 struct sas_rphy *parent_rphy = dev_to_rphy(parent);
3230 if (identify.sas_address ==
3231 parent_rphy->identify.sas_address) {
3232 sas_port_mark_backlink(port);
3233 goto out;
3234 }
3235 }
3236
3237 switch (identify.device_type) {
3238 case SAS_END_DEVICE:
3239 rphy = sas_end_device_alloc(port);
3240 break;
3241 case SAS_EDGE_EXPANDER_DEVICE:
3242 case SAS_FANOUT_EXPANDER_DEVICE:
3243 rphy = sas_expander_alloc(port, identify.device_type);
3244 break;
3245 default:
3246 rphy = NULL;
3247 break;
3248 }
3249 if (!rphy) {
3250 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3251 "%s: exit at line=%d\n", ioc->name,
3252 __func__, __LINE__));
3253 goto out;
3254 }
3255
3256 rphy->identify = identify;
3257 error = sas_rphy_add(rphy);
3258 if (error) {
3259 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3260 "%s: exit at line=%d\n", ioc->name,
3261 __func__, __LINE__));
3262 sas_rphy_free(rphy);
3263 goto out;
3264 }
3265 mptsas_set_rphy(ioc, phy_info, rphy);
3266 if (identify.device_type == SAS_EDGE_EXPANDER_DEVICE ||
3267 identify.device_type == SAS_FANOUT_EXPANDER_DEVICE)
3268 mptsas_exp_repmanufacture_info(ioc,
3269 identify.sas_address,
3270 rphy_to_expander_device(rphy));
3271 }
3272
3273 /* If the device exists,verify it wasn't previously flagged
3274 as a missing device. If so, clear it */
3275 vtarget = mptsas_find_vtarget(ioc,
3276 phy_info->attached.channel,
3277 phy_info->attached.id);
3278 if (vtarget && vtarget->inDMD) {
3279 printk(KERN_INFO "Device returned, unsetting inDMD\n");
3280 vtarget->inDMD = 0;
3281 }
3282
3283 out:
3284 return error;
3285}
3286
3287static int
3288mptsas_probe_hba_phys(MPT_ADAPTER *ioc)
3289{
3290 struct mptsas_portinfo *port_info, *hba;
3291 int error = -ENOMEM, i;
3292
3293 hba = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
3294 if (! hba)
3295 goto out;
3296
3297 error = mptsas_sas_io_unit_pg0(ioc, hba);
3298 if (error)
3299 goto out_free_port_info;
3300
3301 mptsas_sas_io_unit_pg1(ioc);
3302 mutex_lock(&ioc->sas_topology_mutex);
3303 port_info = ioc->hba_port_info;
3304 if (!port_info) {
3305 ioc->hba_port_info = port_info = hba;
3306 ioc->hba_port_num_phy = port_info->num_phys;
3307 list_add_tail(&port_info->list, &ioc->sas_topology);
3308 } else {
3309 for (i = 0; i < hba->num_phys; i++) {
3310 port_info->phy_info[i].negotiated_link_rate =
3311 hba->phy_info[i].negotiated_link_rate;
3312 port_info->phy_info[i].handle =
3313 hba->phy_info[i].handle;
3314 port_info->phy_info[i].port_id =
3315 hba->phy_info[i].port_id;
3316 }
3317 kfree(hba->phy_info);
3318 kfree(hba);
3319 hba = NULL;
3320 }
3321 mutex_unlock(&ioc->sas_topology_mutex);
3322#if defined(CPQ_CIM)
3323 ioc->num_ports = port_info->num_phys;
3324#endif
3325 for (i = 0; i < port_info->num_phys; i++) {
3326 mptsas_sas_phy_pg0(ioc, &port_info->phy_info[i],
3327 (MPI_SAS_PHY_PGAD_FORM_PHY_NUMBER <<
3328 MPI_SAS_PHY_PGAD_FORM_SHIFT), i);
3329 port_info->phy_info[i].identify.handle =
3330 port_info->phy_info[i].handle;
3331 mptsas_sas_device_pg0(ioc, &port_info->phy_info[i].identify,
3332 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3333 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3334 port_info->phy_info[i].identify.handle);
3335 if (!ioc->hba_port_sas_addr)
3336 ioc->hba_port_sas_addr =
3337 port_info->phy_info[i].identify.sas_address;
3338 port_info->phy_info[i].identify.phy_id =
3339 port_info->phy_info[i].phy_id = i;
3340 if (port_info->phy_info[i].attached.handle)
3341 mptsas_sas_device_pg0(ioc,
3342 &port_info->phy_info[i].attached,
3343 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3344 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3345 port_info->phy_info[i].attached.handle);
3346 }
3347
3348 mptsas_setup_wide_ports(ioc, port_info);
3349
3350 for (i = 0; i < port_info->num_phys; i++, ioc->sas_index++)
3351 mptsas_probe_one_phy(&ioc->sh->shost_gendev,
3352 &port_info->phy_info[i], ioc->sas_index, 1);
3353
3354 return 0;
3355
3356 out_free_port_info:
3357 kfree(hba);
3358 out:
3359 return error;
3360}
3361
3362static void
3363mptsas_expander_refresh(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
3364{
3365 struct mptsas_portinfo *parent;
3366 struct device *parent_dev;
3367 struct sas_rphy *rphy;
3368 int i;
3369 u64 sas_address; /* expander sas address */
3370 u32 handle;
3371
3372 handle = port_info->phy_info[0].handle;
3373 sas_address = port_info->phy_info[0].identify.sas_address;
3374 for (i = 0; i < port_info->num_phys; i++) {
3375 mptsas_sas_expander_pg1(ioc, &port_info->phy_info[i],
3376 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE_PHY_NUM <<
3377 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), (i << 16) + handle);
3378
3379 mptsas_sas_device_pg0(ioc,
3380 &port_info->phy_info[i].identify,
3381 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3382 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3383 port_info->phy_info[i].identify.handle);
3384 port_info->phy_info[i].identify.phy_id =
3385 port_info->phy_info[i].phy_id;
3386
3387 if (port_info->phy_info[i].attached.handle) {
3388 mptsas_sas_device_pg0(ioc,
3389 &port_info->phy_info[i].attached,
3390 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3391 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3392 port_info->phy_info[i].attached.handle);
3393 port_info->phy_info[i].attached.phy_id =
3394 port_info->phy_info[i].phy_id;
3395 }
3396 }
3397
3398 mutex_lock(&ioc->sas_topology_mutex);
3399 parent = mptsas_find_portinfo_by_handle(ioc,
3400 port_info->phy_info[0].identify.handle_parent);
3401 if (!parent) {
3402 mutex_unlock(&ioc->sas_topology_mutex);
3403 return;
3404 }
3405 for (i = 0, parent_dev = NULL; i < parent->num_phys && !parent_dev;
3406 i++) {
3407 if (parent->phy_info[i].attached.sas_address == sas_address) {
3408 rphy = mptsas_get_rphy(&parent->phy_info[i]);
3409 parent_dev = &rphy->dev;
3410 }
3411 }
3412 mutex_unlock(&ioc->sas_topology_mutex);
3413
3414 mptsas_setup_wide_ports(ioc, port_info);
3415 for (i = 0; i < port_info->num_phys; i++, ioc->sas_index++)
3416 mptsas_probe_one_phy(parent_dev, &port_info->phy_info[i],
3417 ioc->sas_index, 0);
3418}
3419
3420static void
3421mptsas_expander_event_add(MPT_ADAPTER *ioc,
3422 MpiEventDataSasExpanderStatusChange_t *expander_data)
3423{
3424 struct mptsas_portinfo *port_info;
3425 int i;
3426 __le64 sas_address;
3427
3428 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
3429 if (!port_info)
3430 BUG();
3431 port_info->num_phys = (expander_data->NumPhys) ?
3432 expander_data->NumPhys : 1;
3433 port_info->phy_info = kcalloc(port_info->num_phys,
3434 sizeof(struct mptsas_phyinfo), GFP_KERNEL);
3435 if (!port_info->phy_info)
3436 BUG();
3437 memcpy(&sas_address, &expander_data->SASAddress, sizeof(__le64));
3438 for (i = 0; i < port_info->num_phys; i++) {
3439 port_info->phy_info[i].portinfo = port_info;
3440 port_info->phy_info[i].handle =
3441 le16_to_cpu(expander_data->DevHandle);
3442 port_info->phy_info[i].identify.sas_address =
3443 le64_to_cpu(sas_address);
3444 port_info->phy_info[i].identify.handle_parent =
3445 le16_to_cpu(expander_data->ParentDevHandle);
3446 }
3447
3448 mutex_lock(&ioc->sas_topology_mutex);
3449 list_add_tail(&port_info->list, &ioc->sas_topology);
3450 mutex_unlock(&ioc->sas_topology_mutex);
3451
3452 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, "
3453 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3454 (unsigned long long)sas_address);
3455
3456 mptsas_expander_refresh(ioc, port_info);
3457}
3458
3459/**
3460 * mptsas_delete_expander_siblings - remove siblings attached to expander
3461 * @ioc: Pointer to MPT_ADAPTER structure
3462 * @parent: the parent port_info object
3463 * @expander: the expander port_info object
3464 **/
3465static void
3466mptsas_delete_expander_siblings(MPT_ADAPTER *ioc, struct mptsas_portinfo
3467 *parent, struct mptsas_portinfo *expander)
3468{
3469 struct mptsas_phyinfo *phy_info;
3470 struct mptsas_portinfo *port_info;
3471 struct sas_rphy *rphy;
3472 int i;
3473
3474 phy_info = expander->phy_info;
3475 for (i = 0; i < expander->num_phys; i++, phy_info++) {
3476 rphy = mptsas_get_rphy(phy_info);
3477 if (!rphy)
3478 continue;
3479 if (rphy->identify.device_type == SAS_END_DEVICE)
3480 mptsas_del_end_device(ioc, phy_info);
3481 }
3482
3483 phy_info = expander->phy_info;
3484 for (i = 0; i < expander->num_phys; i++, phy_info++) {
3485 rphy = mptsas_get_rphy(phy_info);
3486 if (!rphy)
3487 continue;
3488 if (rphy->identify.device_type ==
3489 MPI_SAS_DEVICE_INFO_EDGE_EXPANDER ||
3490 rphy->identify.device_type ==
3491 MPI_SAS_DEVICE_INFO_FANOUT_EXPANDER) {
3492 port_info = mptsas_find_portinfo_by_sas_address(ioc,
3493 rphy->identify.sas_address);
3494 if (!port_info)
3495 continue;
3496 if (port_info == parent) /* backlink rphy */
3497 continue;
3498 /*
3499 Delete this expander even if the expdevpage is exists
3500 because the parent expander is already deleted
3501 */
3502 mptsas_expander_delete(ioc, port_info, 1);
3503 }
3504 }
3505}
3506
3507
3508/**
3509 * mptsas_expander_delete - remove this expander
3510 * @ioc: Pointer to MPT_ADAPTER structure
3511 * @port_info: expander port_info struct
3512 * @force: Flag to forcefully delete the expander
3513 *
3514 **/
3515
3516static void mptsas_expander_delete(MPT_ADAPTER *ioc,
3517 struct mptsas_portinfo *port_info, u8 force)
3518{
3519
3520 struct mptsas_portinfo *parent;
3521 int i;
3522 u64 expander_sas_address;
3523 struct mptsas_phyinfo *phy_info;
3524 struct mptsas_portinfo buffer;
3525 struct mptsas_portinfo_details *port_details;
3526 struct sas_port *port;
3527
3528 if (!port_info)
3529 return;
3530
3531 /* see if expander is still there before deleting */
3532 mptsas_sas_expander_pg0(ioc, &buffer,
3533 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE <<
3534 MPI_SAS_EXPAND_PGAD_FORM_SHIFT),
3535 port_info->phy_info[0].identify.handle);
3536
3537 if (buffer.num_phys) {
3538 kfree(buffer.phy_info);
3539 if (!force)
3540 return;
3541 }
3542
3543
3544 /*
3545 * Obtain the port_info instance to the parent port
3546 */
3547 port_details = NULL;
3548 expander_sas_address =
3549 port_info->phy_info[0].identify.sas_address;
3550 parent = mptsas_find_portinfo_by_handle(ioc,
3551 port_info->phy_info[0].identify.handle_parent);
3552 mptsas_delete_expander_siblings(ioc, parent, port_info);
3553 if (!parent)
3554 goto out;
3555
3556 /*
3557 * Delete rphys in the parent that point
3558 * to this expander.
3559 */
3560 phy_info = parent->phy_info;
3561 port = NULL;
3562 for (i = 0; i < parent->num_phys; i++, phy_info++) {
3563 if (!phy_info->phy)
3564 continue;
3565 if (phy_info->attached.sas_address !=
3566 expander_sas_address)
3567 continue;
3568 if (!port) {
3569 port = mptsas_get_port(phy_info);
3570 port_details = phy_info->port_details;
3571 }
3572 dev_printk(KERN_DEBUG, &phy_info->phy->dev,
3573 MYIOC_s_FMT "delete phy %d, phy-obj (0x%p)\n", ioc->name,
3574 phy_info->phy_id, phy_info->phy);
3575 sas_port_delete_phy(port, phy_info->phy);
3576 }
3577 if (port) {
3578 dev_printk(KERN_DEBUG, &port->dev,
3579 MYIOC_s_FMT "delete port %d, sas_addr (0x%llx)\n",
3580 ioc->name, port->port_identifier,
3581 (unsigned long long)expander_sas_address);
3582 sas_port_delete(port);
3583 mptsas_port_delete(ioc, port_details);
3584 }
3585 out:
3586
3587 printk(MYIOC_s_INFO_FMT "delete expander: num_phys %d, "
3588 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3589 (unsigned long long)expander_sas_address);
3590
3591 /*
3592 * free link
3593 */
3594 list_del(&port_info->list);
3595 kfree(port_info->phy_info);
3596 kfree(port_info);
3597}
3598
3599
3600/**
3601 * mptsas_send_expander_event - expanders events
3602 * @ioc: Pointer to MPT_ADAPTER structure
3603 * @expander_data: event data
3604 *
3605 *
3606 * This function handles adding, removing, and refreshing
3607 * device handles within the expander objects.
3608 */
3609static void
3610mptsas_send_expander_event(struct fw_event_work *fw_event)
3611{
3612 MPT_ADAPTER *ioc;
3613 MpiEventDataSasExpanderStatusChange_t *expander_data;
3614 struct mptsas_portinfo *port_info;
3615 __le64 sas_address;
3616 int i;
3617
3618 ioc = fw_event->ioc;
3619 expander_data = (MpiEventDataSasExpanderStatusChange_t *)
3620 fw_event->event_data;
3621 memcpy(&sas_address, &expander_data->SASAddress, sizeof(__le64));
3622 sas_address = le64_to_cpu(sas_address);
3623 port_info = mptsas_find_portinfo_by_sas_address(ioc, sas_address);
3624
3625 if (expander_data->ReasonCode == MPI_EVENT_SAS_EXP_RC_ADDED) {
3626 if (port_info) {
3627 for (i = 0; i < port_info->num_phys; i++) {
3628 port_info->phy_info[i].portinfo = port_info;
3629 port_info->phy_info[i].handle =
3630 le16_to_cpu(expander_data->DevHandle);
3631 port_info->phy_info[i].identify.sas_address =
3632 le64_to_cpu(sas_address);
3633 port_info->phy_info[i].identify.handle_parent =
3634 le16_to_cpu(expander_data->ParentDevHandle);
3635 }
3636 mptsas_expander_refresh(ioc, port_info);
3637 } else if (!port_info && expander_data->NumPhys)
3638 mptsas_expander_event_add(ioc, expander_data);
3639 } else if (expander_data->ReasonCode ==
3640 MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING)
3641 mptsas_expander_delete(ioc, port_info, 0);
3642
3643 mptsas_free_fw_event(ioc, fw_event);
3644}
3645
3646
3647/**
3648 * mptsas_expander_add -
3649 * @ioc: Pointer to MPT_ADAPTER structure
3650 * @handle:
3651 *
3652 */
3653struct mptsas_portinfo *
3654mptsas_expander_add(MPT_ADAPTER *ioc, u16 handle)
3655{
3656 struct mptsas_portinfo buffer, *port_info;
3657 int i;
3658
3659 if ((mptsas_sas_expander_pg0(ioc, &buffer,
3660 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE <<
3661 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle)))
3662 return NULL;
3663
3664 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_ATOMIC);
3665 if (!port_info) {
3666 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3667 "%s: exit at line=%d\n", ioc->name,
3668 __func__, __LINE__));
3669 return NULL;
3670 }
3671 port_info->num_phys = buffer.num_phys;
3672 port_info->phy_info = buffer.phy_info;
3673 for (i = 0; i < port_info->num_phys; i++)
3674 port_info->phy_info[i].portinfo = port_info;
3675 mutex_lock(&ioc->sas_topology_mutex);
3676 list_add_tail(&port_info->list, &ioc->sas_topology);
3677 mutex_unlock(&ioc->sas_topology_mutex);
3678 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, "
3679 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3680 (unsigned long long)buffer.phy_info[0].identify.sas_address);
3681 mptsas_expander_refresh(ioc, port_info);
3682 return port_info;
3683}
3684
3685static void
3686mptsas_send_link_status_event(struct fw_event_work *fw_event)
3687{
3688 MPT_ADAPTER *ioc;
3689 MpiEventDataSasPhyLinkStatus_t *link_data;
3690 struct mptsas_portinfo *port_info;
3691 struct mptsas_phyinfo *phy_info = NULL;
3692 __le64 sas_address;
3693 u8 phy_num;
3694 u8 link_rate;
3695
3696 ioc = fw_event->ioc;
3697 link_data = (MpiEventDataSasPhyLinkStatus_t *)fw_event->event_data;
3698
3699 memcpy(&sas_address, &link_data->SASAddress, sizeof(__le64));
3700 sas_address = le64_to_cpu(sas_address);
3701 link_rate = link_data->LinkRates >> 4;
3702 phy_num = link_data->PhyNum;
3703
3704 port_info = mptsas_find_portinfo_by_sas_address(ioc, sas_address);
3705 if (port_info) {
3706 phy_info = &port_info->phy_info[phy_num];
3707 if (phy_info)
3708 phy_info->negotiated_link_rate = link_rate;
3709 }
3710
3711 if (link_rate == MPI_SAS_IOUNIT0_RATE_1_5 ||
3712 link_rate == MPI_SAS_IOUNIT0_RATE_3_0 ||
3713 link_rate == MPI_SAS_IOUNIT0_RATE_6_0) {
3714
3715 if (!port_info) {
3716 if (ioc->old_sas_discovery_protocal) {
3717 port_info = mptsas_expander_add(ioc,
3718 le16_to_cpu(link_data->DevHandle));
3719 if (port_info)
3720 goto out;
3721 }
3722 goto out;
3723 }
3724
3725 if (port_info == ioc->hba_port_info)
3726 mptsas_probe_hba_phys(ioc);
3727 else
3728 mptsas_expander_refresh(ioc, port_info);
3729 } else if (phy_info && phy_info->phy) {
3730 if (link_rate == MPI_SAS_IOUNIT0_RATE_PHY_DISABLED)
3731 phy_info->phy->negotiated_linkrate =
3732 SAS_PHY_DISABLED;
3733 else if (link_rate ==
3734 MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION)
3735 phy_info->phy->negotiated_linkrate =
3736 SAS_LINK_RATE_FAILED;
3737 else {
3738 phy_info->phy->negotiated_linkrate =
3739 SAS_LINK_RATE_UNKNOWN;
3740 if (ioc->device_missing_delay &&
3741 mptsas_is_end_device(&phy_info->attached)) {
3742 struct scsi_device *sdev;
3743 VirtDevice *vdevice;
3744 u8 channel, id;
3745 id = phy_info->attached.id;
3746 channel = phy_info->attached.channel;
3747 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3748 "Link down for fw_id %d:fw_channel %d\n",
3749 ioc->name, phy_info->attached.id,
3750 phy_info->attached.channel));
3751
3752 shost_for_each_device(sdev, ioc->sh) {
3753 vdevice = sdev->hostdata;
3754 if ((vdevice == NULL) ||
3755 (vdevice->vtarget == NULL))
3756 continue;
3757 if ((vdevice->vtarget->tflags &
3758 MPT_TARGET_FLAGS_RAID_COMPONENT ||
3759 vdevice->vtarget->raidVolume))
3760 continue;
3761 if (vdevice->vtarget->id == id &&
3762 vdevice->vtarget->channel ==
3763 channel)
3764 devtprintk(ioc,
3765 printk(MYIOC_s_DEBUG_FMT
3766 "SDEV OUTSTANDING CMDS"
3767 "%d\n", ioc->name,
3768 sdev->device_busy));
3769 }
3770
3771 }
3772 }
3773 }
3774 out:
3775 mptsas_free_fw_event(ioc, fw_event);
3776}
3777
3778static void
3779mptsas_not_responding_devices(MPT_ADAPTER *ioc)
3780{
3781 struct mptsas_portinfo buffer, *port_info;
3782 struct mptsas_device_info *sas_info;
3783 struct mptsas_devinfo sas_device;
3784 u32 handle;
3785 VirtTarget *vtarget = NULL;
3786 struct mptsas_phyinfo *phy_info;
3787 u8 found_expander;
3788 int retval, retry_count;
3789 unsigned long flags;
3790
3791 mpt_findImVolumes(ioc);
3792
3793 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
3794 if (ioc->ioc_reset_in_progress) {
3795 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3796 "%s: exiting due to a parallel reset \n", ioc->name,
3797 __func__));
3798 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
3799 return;
3800 }
3801 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
3802
3803 /* devices, logical volumes */
3804 mutex_lock(&ioc->sas_device_info_mutex);
3805 redo_device_scan:
3806 list_for_each_entry(sas_info, &ioc->sas_device_info_list, list) {
3807 if (sas_info->is_cached)
3808 continue;
3809 if (!sas_info->is_logical_volume) {
3810 sas_device.handle = 0;
3811 retry_count = 0;
3812retry_page:
3813 retval = mptsas_sas_device_pg0(ioc, &sas_device,
3814 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID
3815 << MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3816 (sas_info->fw.channel << 8) +
3817 sas_info->fw.id);
3818
3819 if (sas_device.handle)
3820 continue;
3821 if (retval == -EBUSY) {
3822 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
3823 if (ioc->ioc_reset_in_progress) {
3824 dfailprintk(ioc,
3825 printk(MYIOC_s_DEBUG_FMT
3826 "%s: exiting due to reset\n",
3827 ioc->name, __func__));
3828 spin_unlock_irqrestore
3829 (&ioc->taskmgmt_lock, flags);
3830 mutex_unlock(&ioc->
3831 sas_device_info_mutex);
3832 return;
3833 }
3834 spin_unlock_irqrestore(&ioc->taskmgmt_lock,
3835 flags);
3836 }
3837
3838 if (retval && (retval != -ENODEV)) {
3839 if (retry_count < 10) {
3840 retry_count++;
3841 goto retry_page;
3842 } else {
3843 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3844 "%s: Config page retry exceeded retry "
3845 "count deleting device 0x%llx\n",
3846 ioc->name, __func__,
3847 sas_info->sas_address));
3848 }
3849 }
3850
3851 /* delete device */
3852 vtarget = mptsas_find_vtarget(ioc,
3853 sas_info->fw.channel, sas_info->fw.id);
3854
3855 if (vtarget)
3856 vtarget->deleted = 1;
3857
3858 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
3859 sas_info->sas_address);
3860
3861 if (phy_info) {
3862 mptsas_del_end_device(ioc, phy_info);
3863 goto redo_device_scan;
3864 }
3865 } else
3866 mptsas_volume_delete(ioc, sas_info->fw.id);
3867 }
3868 mutex_unlock(&ioc->sas_device_info_mutex);
3869
3870 /* expanders */
3871 mutex_lock(&ioc->sas_topology_mutex);
3872 redo_expander_scan:
3873 list_for_each_entry(port_info, &ioc->sas_topology, list) {
3874
3875 if (port_info->phy_info &&
3876 (!(port_info->phy_info[0].identify.device_info &
3877 MPI_SAS_DEVICE_INFO_SMP_TARGET)))
3878 continue;
3879 found_expander = 0;
3880 handle = 0xFFFF;
3881 while (!mptsas_sas_expander_pg0(ioc, &buffer,
3882 (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE <<
3883 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle) &&
3884 !found_expander) {
3885
3886 handle = buffer.phy_info[0].handle;
3887 if (buffer.phy_info[0].identify.sas_address ==
3888 port_info->phy_info[0].identify.sas_address) {
3889 found_expander = 1;
3890 }
3891 kfree(buffer.phy_info);
3892 }
3893
3894 if (!found_expander) {
3895 mptsas_expander_delete(ioc, port_info, 0);
3896 goto redo_expander_scan;
3897 }
3898 }
3899 mutex_unlock(&ioc->sas_topology_mutex);
3900}
3901
3902/**
3903 * mptsas_probe_expanders - adding expanders
3904 * @ioc: Pointer to MPT_ADAPTER structure
3905 *
3906 **/
3907static void
3908mptsas_probe_expanders(MPT_ADAPTER *ioc)
3909{
3910 struct mptsas_portinfo buffer, *port_info;
3911 u32 handle;
3912 int i;
3913
3914 handle = 0xFFFF;
3915 while (!mptsas_sas_expander_pg0(ioc, &buffer,
3916 (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE <<
3917 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle)) {
3918
3919 handle = buffer.phy_info[0].handle;
3920 port_info = mptsas_find_portinfo_by_sas_address(ioc,
3921 buffer.phy_info[0].identify.sas_address);
3922
3923 if (port_info) {
3924 /* refreshing handles */
3925 for (i = 0; i < buffer.num_phys; i++) {
3926 port_info->phy_info[i].handle = handle;
3927 port_info->phy_info[i].identify.handle_parent =
3928 buffer.phy_info[0].identify.handle_parent;
3929 }
3930 mptsas_expander_refresh(ioc, port_info);
3931 kfree(buffer.phy_info);
3932 continue;
3933 }
3934
3935 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
3936 if (!port_info) {
3937 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3938 "%s: exit at line=%d\n", ioc->name,
3939 __func__, __LINE__));
3940 return;
3941 }
3942 port_info->num_phys = buffer.num_phys;
3943 port_info->phy_info = buffer.phy_info;
3944 for (i = 0; i < port_info->num_phys; i++)
3945 port_info->phy_info[i].portinfo = port_info;
3946 mutex_lock(&ioc->sas_topology_mutex);
3947 list_add_tail(&port_info->list, &ioc->sas_topology);
3948 mutex_unlock(&ioc->sas_topology_mutex);
3949 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, "
3950 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3951 (unsigned long long)buffer.phy_info[0].identify.sas_address);
3952 mptsas_expander_refresh(ioc, port_info);
3953 }
3954}
3955
3956static void
3957mptsas_probe_devices(MPT_ADAPTER *ioc)
3958{
3959 u16 handle;
3960 struct mptsas_devinfo sas_device;
3961 struct mptsas_phyinfo *phy_info;
3962
3963 handle = 0xFFFF;
3964 while (!(mptsas_sas_device_pg0(ioc, &sas_device,
3965 MPI_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
3966
3967 handle = sas_device.handle;
3968
3969 if ((sas_device.device_info &
3970 (MPI_SAS_DEVICE_INFO_SSP_TARGET |
3971 MPI_SAS_DEVICE_INFO_STP_TARGET |
3972 MPI_SAS_DEVICE_INFO_SATA_DEVICE)) == 0)
3973 continue;
3974
3975 /* If there is no FW B_T mapping for this device then continue
3976 * */
3977 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
3978 || !(sas_device.flags &
3979 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
3980 continue;
3981
3982 phy_info = mptsas_refreshing_device_handles(ioc, &sas_device);
3983 if (!phy_info)
3984 continue;
3985
3986 if (mptsas_get_rphy(phy_info))
3987 continue;
3988
3989 mptsas_add_end_device(ioc, phy_info);
3990 }
3991}
3992
3993/**
3994 * mptsas_scan_sas_topology -
3995 * @ioc: Pointer to MPT_ADAPTER structure
3996 * @sas_address:
3997 *
3998 **/
3999static void
4000mptsas_scan_sas_topology(MPT_ADAPTER *ioc)
4001{
4002 struct scsi_device *sdev;
4003 int i;
4004
4005 mptsas_probe_hba_phys(ioc);
4006 mptsas_probe_expanders(ioc);
4007 mptsas_probe_devices(ioc);
4008
4009 /*
4010 Reporting RAID volumes.
4011 */
4012 if (!ioc->ir_firmware || !ioc->raid_data.pIocPg2 ||
4013 !ioc->raid_data.pIocPg2->NumActiveVolumes)
4014 return;
4015 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
4016 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL,
4017 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID, 0);
4018 if (sdev) {
4019 scsi_device_put(sdev);
4020 continue;
4021 }
4022 printk(MYIOC_s_INFO_FMT "attaching raid volume, channel %d, "
4023 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL,
4024 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID);
4025 scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL,
4026 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID, 0);
4027 }
4028}
4029
4030
4031static void
4032mptsas_handle_queue_full_event(struct fw_event_work *fw_event)
4033{
4034 MPT_ADAPTER *ioc;
4035 EventDataQueueFull_t *qfull_data;
4036 struct mptsas_device_info *sas_info;
4037 struct scsi_device *sdev;
4038 int depth;
4039 int id = -1;
4040 int channel = -1;
4041 int fw_id, fw_channel;
4042 u16 current_depth;
4043
4044
4045 ioc = fw_event->ioc;
4046 qfull_data = (EventDataQueueFull_t *)fw_event->event_data;
4047 fw_id = qfull_data->TargetID;
4048 fw_channel = qfull_data->Bus;
4049 current_depth = le16_to_cpu(qfull_data->CurrentDepth);
4050
4051 /* if hidden raid component, look for the volume id */
4052 mutex_lock(&ioc->sas_device_info_mutex);
4053 if (mptscsih_is_phys_disk(ioc, fw_channel, fw_id)) {
4054 list_for_each_entry(sas_info, &ioc->sas_device_info_list,
4055 list) {
4056 if (sas_info->is_cached ||
4057 sas_info->is_logical_volume)
4058 continue;
4059 if (sas_info->is_hidden_raid_component &&
4060 (sas_info->fw.channel == fw_channel &&
4061 sas_info->fw.id == fw_id)) {
4062 id = sas_info->volume_id;
4063 channel = MPTSAS_RAID_CHANNEL;
4064 goto out;
4065 }
4066 }
4067 } else {
4068 list_for_each_entry(sas_info, &ioc->sas_device_info_list,
4069 list) {
4070 if (sas_info->is_cached ||
4071 sas_info->is_hidden_raid_component ||
4072 sas_info->is_logical_volume)
4073 continue;
4074 if (sas_info->fw.channel == fw_channel &&
4075 sas_info->fw.id == fw_id) {
4076 id = sas_info->os.id;
4077 channel = sas_info->os.channel;
4078 goto out;
4079 }
4080 }
4081
4082 }
4083
4084 out:
4085 mutex_unlock(&ioc->sas_device_info_mutex);
4086
4087 if (id != -1) {
4088 shost_for_each_device(sdev, ioc->sh) {
4089 if (sdev->id == id && sdev->channel == channel) {
4090 if (current_depth > sdev->queue_depth) {
4091 sdev_printk(KERN_INFO, sdev,
4092 "strange observation, the queue "
4093 "depth is (%d) meanwhile fw queue "
4094 "depth (%d)\n", sdev->queue_depth,
4095 current_depth);
4096 continue;
4097 }
4098 depth = scsi_track_queue_full(sdev,
4099 current_depth - 1);
4100 if (depth > 0)
4101 sdev_printk(KERN_INFO, sdev,
4102 "Queue depth reduced to (%d)\n",
4103 depth);
4104 else if (depth < 0)
4105 sdev_printk(KERN_INFO, sdev,
4106 "Tagged Command Queueing is being "
4107 "disabled\n");
4108 else if (depth == 0)
4109 sdev_printk(KERN_INFO, sdev,
4110 "Queue depth not changed yet\n");
4111 }
4112 }
4113 }
4114
4115 mptsas_free_fw_event(ioc, fw_event);
4116}
4117
4118
4119static struct mptsas_phyinfo *
4120mptsas_find_phyinfo_by_sas_address(MPT_ADAPTER *ioc, u64 sas_address)
4121{
4122 struct mptsas_portinfo *port_info;
4123 struct mptsas_phyinfo *phy_info = NULL;
4124 int i;
4125
4126 mutex_lock(&ioc->sas_topology_mutex);
4127 list_for_each_entry(port_info, &ioc->sas_topology, list) {
4128 for (i = 0; i < port_info->num_phys; i++) {
4129 if (!mptsas_is_end_device(
4130 &port_info->phy_info[i].attached))
4131 continue;
4132 if (port_info->phy_info[i].attached.sas_address
4133 != sas_address)
4134 continue;
4135 phy_info = &port_info->phy_info[i];
4136 break;
4137 }
4138 }
4139 mutex_unlock(&ioc->sas_topology_mutex);
4140 return phy_info;
4141}
4142
4143/**
4144 * mptsas_find_phyinfo_by_phys_disk_num -
4145 * @ioc: Pointer to MPT_ADAPTER structure
4146 * @phys_disk_num:
4147 * @channel:
4148 * @id:
4149 *
4150 **/
4151static struct mptsas_phyinfo *
4152mptsas_find_phyinfo_by_phys_disk_num(MPT_ADAPTER *ioc, u8 phys_disk_num,
4153 u8 channel, u8 id)
4154{
4155 struct mptsas_phyinfo *phy_info = NULL;
4156 struct mptsas_portinfo *port_info;
4157 RaidPhysDiskPage1_t *phys_disk = NULL;
4158 int num_paths;
4159 u64 sas_address = 0;
4160 int i;
4161
4162 phy_info = NULL;
4163 if (!ioc->raid_data.pIocPg3)
4164 return NULL;
4165 /* dual port support */
4166 num_paths = mpt_raid_phys_disk_get_num_paths(ioc, phys_disk_num);
4167 if (!num_paths)
4168 goto out;
4169 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
4170 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
4171 if (!phys_disk)
4172 goto out;
4173 mpt_raid_phys_disk_pg1(ioc, phys_disk_num, phys_disk);
4174 for (i = 0; i < num_paths; i++) {
4175 if ((phys_disk->Path[i].Flags & 1) != 0)
4176 /* entry no longer valid */
4177 continue;
4178 if ((id == phys_disk->Path[i].PhysDiskID) &&
4179 (channel == phys_disk->Path[i].PhysDiskBus)) {
4180 memcpy(&sas_address, &phys_disk->Path[i].WWID,
4181 sizeof(u64));
4182 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4183 sas_address);
4184 goto out;
4185 }
4186 }
4187
4188 out:
4189 kfree(phys_disk);
4190 if (phy_info)
4191 return phy_info;
4192
4193 /*
4194 * Extra code to handle RAID0 case, where the sas_address is not updated
4195 * in phys_disk_page_1 when hotswapped
4196 */
4197 mutex_lock(&ioc->sas_topology_mutex);
4198 list_for_each_entry(port_info, &ioc->sas_topology, list) {
4199 for (i = 0; i < port_info->num_phys && !phy_info; i++) {
4200 if (!mptsas_is_end_device(
4201 &port_info->phy_info[i].attached))
4202 continue;
4203 if (port_info->phy_info[i].attached.phys_disk_num == ~0)
4204 continue;
4205 if ((port_info->phy_info[i].attached.phys_disk_num ==
4206 phys_disk_num) &&
4207 (port_info->phy_info[i].attached.id == id) &&
4208 (port_info->phy_info[i].attached.channel ==
4209 channel))
4210 phy_info = &port_info->phy_info[i];
4211 }
4212 }
4213 mutex_unlock(&ioc->sas_topology_mutex);
4214 return phy_info;
4215}
4216
4217static void
4218mptsas_reprobe_lun(struct scsi_device *sdev, void *data)
4219{
4220 int rc;
4221
4222 sdev->no_uld_attach = data ? 1 : 0;
4223 rc = scsi_device_reprobe(sdev);
4224}
4225
4226static void
4227mptsas_reprobe_target(struct scsi_target *starget, int uld_attach)
4228{
4229 starget_for_each_device(starget, uld_attach ? (void *)1 : NULL,
4230 mptsas_reprobe_lun);
4231}
4232
4233static void
4234mptsas_adding_inactive_raid_components(MPT_ADAPTER *ioc, u8 channel, u8 id)
4235{
4236 CONFIGPARMS cfg;
4237 ConfigPageHeader_t hdr;
4238 dma_addr_t dma_handle;
4239 pRaidVolumePage0_t buffer = NULL;
4240 RaidPhysDiskPage0_t phys_disk;
4241 int i;
4242 struct mptsas_phyinfo *phy_info;
4243 struct mptsas_devinfo sas_device;
4244
4245 memset(&cfg, 0 , sizeof(CONFIGPARMS));
4246 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
4247 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME;
4248 cfg.pageAddr = (channel << 8) + id;
4249 cfg.cfghdr.hdr = &hdr;
4250 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
4251 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
4252
4253 if (mpt_config(ioc, &cfg) != 0)
4254 goto out;
4255
4256 if (!hdr.PageLength)
4257 goto out;
4258
4259 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
4260 &dma_handle);
4261
4262 if (!buffer)
4263 goto out;
4264
4265 cfg.physAddr = dma_handle;
4266 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
4267
4268 if (mpt_config(ioc, &cfg) != 0)
4269 goto out;
4270
4271 if (!(buffer->VolumeStatus.Flags &
4272 MPI_RAIDVOL0_STATUS_FLAG_VOLUME_INACTIVE))
4273 goto out;
4274
4275 if (!buffer->NumPhysDisks)
4276 goto out;
4277
4278 for (i = 0; i < buffer->NumPhysDisks; i++) {
4279
4280 if (mpt_raid_phys_disk_pg0(ioc,
4281 buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0)
4282 continue;
4283
4284 if (mptsas_sas_device_pg0(ioc, &sas_device,
4285 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4286 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4287 (phys_disk.PhysDiskBus << 8) +
4288 phys_disk.PhysDiskID))
4289 continue;
4290
4291 /* If there is no FW B_T mapping for this device then continue
4292 * */
4293 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4294 || !(sas_device.flags &
4295 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4296 continue;
4297
4298
4299 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4300 sas_device.sas_address);
4301 mptsas_add_end_device(ioc, phy_info);
4302 }
4303
4304 out:
4305 if (buffer)
4306 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
4307 dma_handle);
4308}
4309/*
4310 * Work queue thread to handle SAS hotplug events
4311 */
4312static void
4313mptsas_hotplug_work(MPT_ADAPTER *ioc, struct fw_event_work *fw_event,
4314 struct mptsas_hotplug_event *hot_plug_info)
4315{
4316 struct mptsas_phyinfo *phy_info;
4317 struct scsi_target * starget;
4318 struct mptsas_devinfo sas_device;
4319 VirtTarget *vtarget;
4320 int i;
4321 struct mptsas_portinfo *port_info;
4322
4323 switch (hot_plug_info->event_type) {
4324
4325 case MPTSAS_ADD_PHYSDISK:
4326
4327 if (!ioc->raid_data.pIocPg2)
4328 break;
4329
4330 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
4331 if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID ==
4332 hot_plug_info->id) {
4333 printk(MYIOC_s_WARN_FMT "firmware bug: unable "
4334 "to add hidden disk - target_id matchs "
4335 "volume_id\n", ioc->name);
4336 mptsas_free_fw_event(ioc, fw_event);
4337 return;
4338 }
4339 }
4340 mpt_findImVolumes(ioc);
4341
4342 case MPTSAS_ADD_DEVICE:
4343 memset(&sas_device, 0, sizeof(struct mptsas_devinfo));
4344 mptsas_sas_device_pg0(ioc, &sas_device,
4345 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4346 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4347 (hot_plug_info->channel << 8) +
4348 hot_plug_info->id);
4349
4350 /* If there is no FW B_T mapping for this device then break
4351 * */
4352 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4353 || !(sas_device.flags &
4354 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4355 break;
4356
4357 if (!sas_device.handle)
4358 return;
4359
4360 phy_info = mptsas_refreshing_device_handles(ioc, &sas_device);
4361 /* Only For SATA Device ADD */
4362 if (!phy_info && (sas_device.device_info &
4363 MPI_SAS_DEVICE_INFO_SATA_DEVICE)) {
4364 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4365 "%s %d SATA HOT PLUG: "
4366 "parent handle of device %x\n", ioc->name,
4367 __func__, __LINE__, sas_device.handle_parent));
4368 port_info = mptsas_find_portinfo_by_handle(ioc,
4369 sas_device.handle_parent);
4370
4371 if (port_info == ioc->hba_port_info)
4372 mptsas_probe_hba_phys(ioc);
4373 else if (port_info)
4374 mptsas_expander_refresh(ioc, port_info);
4375 else {
4376 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4377 "%s %d port info is NULL\n",
4378 ioc->name, __func__, __LINE__));
4379 break;
4380 }
4381 phy_info = mptsas_refreshing_device_handles
4382 (ioc, &sas_device);
4383 }
4384
4385 if (!phy_info) {
4386 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4387 "%s %d phy info is NULL\n",
4388 ioc->name, __func__, __LINE__));
4389 break;
4390 }
4391
4392 if (mptsas_get_rphy(phy_info))
4393 break;
4394
4395 mptsas_add_end_device(ioc, phy_info);
4396 break;
4397
4398 case MPTSAS_DEL_DEVICE:
4399 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4400 hot_plug_info->sas_address);
4401 mptsas_del_end_device(ioc, phy_info);
4402 break;
4403
4404 case MPTSAS_DEL_PHYSDISK:
4405
4406 mpt_findImVolumes(ioc);
4407
4408 phy_info = mptsas_find_phyinfo_by_phys_disk_num(
4409 ioc, hot_plug_info->phys_disk_num,
4410 hot_plug_info->channel,
4411 hot_plug_info->id);
4412 mptsas_del_end_device(ioc, phy_info);
4413 break;
4414
4415 case MPTSAS_ADD_PHYSDISK_REPROBE:
4416
4417 if (mptsas_sas_device_pg0(ioc, &sas_device,
4418 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4419 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4420 (hot_plug_info->channel << 8) + hot_plug_info->id)) {
4421 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4422 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4423 __func__, hot_plug_info->id, __LINE__));
4424 break;
4425 }
4426
4427 /* If there is no FW B_T mapping for this device then break
4428 * */
4429 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4430 || !(sas_device.flags &
4431 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4432 break;
4433
4434 phy_info = mptsas_find_phyinfo_by_sas_address(
4435 ioc, sas_device.sas_address);
4436
4437 if (!phy_info) {
4438 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4439 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4440 __func__, hot_plug_info->id, __LINE__));
4441 break;
4442 }
4443
4444 starget = mptsas_get_starget(phy_info);
4445 if (!starget) {
4446 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4447 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4448 __func__, hot_plug_info->id, __LINE__));
4449 break;
4450 }
4451
4452 vtarget = starget->hostdata;
4453 if (!vtarget) {
4454 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4455 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4456 __func__, hot_plug_info->id, __LINE__));
4457 break;
4458 }
4459
4460 mpt_findImVolumes(ioc);
4461
4462 starget_printk(KERN_INFO, starget, MYIOC_s_FMT "RAID Hidding: "
4463 "fw_channel=%d, fw_id=%d, physdsk %d, sas_addr 0x%llx\n",
4464 ioc->name, hot_plug_info->channel, hot_plug_info->id,
4465 hot_plug_info->phys_disk_num, (unsigned long long)
4466 sas_device.sas_address);
4467
4468 vtarget->id = hot_plug_info->phys_disk_num;
4469 vtarget->tflags |= MPT_TARGET_FLAGS_RAID_COMPONENT;
4470 phy_info->attached.phys_disk_num = hot_plug_info->phys_disk_num;
4471 mptsas_reprobe_target(starget, 1);
4472 break;
4473
4474 case MPTSAS_DEL_PHYSDISK_REPROBE:
4475
4476 if (mptsas_sas_device_pg0(ioc, &sas_device,
4477 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4478 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4479 (hot_plug_info->channel << 8) + hot_plug_info->id)) {
4480 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4481 "%s: fw_id=%d exit at line=%d\n",
4482 ioc->name, __func__,
4483 hot_plug_info->id, __LINE__));
4484 break;
4485 }
4486
4487 /* If there is no FW B_T mapping for this device then break
4488 * */
4489 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4490 || !(sas_device.flags &
4491 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4492 break;
4493
4494 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4495 sas_device.sas_address);
4496 if (!phy_info) {
4497 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4498 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4499 __func__, hot_plug_info->id, __LINE__));
4500 break;
4501 }
4502
4503 starget = mptsas_get_starget(phy_info);
4504 if (!starget) {
4505 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4506 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4507 __func__, hot_plug_info->id, __LINE__));
4508 break;
4509 }
4510
4511 vtarget = starget->hostdata;
4512 if (!vtarget) {
4513 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4514 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4515 __func__, hot_plug_info->id, __LINE__));
4516 break;
4517 }
4518
4519 if (!(vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)) {
4520 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4521 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4522 __func__, hot_plug_info->id, __LINE__));
4523 break;
4524 }
4525
4526 mpt_findImVolumes(ioc);
4527
4528 starget_printk(KERN_INFO, starget, MYIOC_s_FMT "RAID Exposing:"
4529 " fw_channel=%d, fw_id=%d, physdsk %d, sas_addr 0x%llx\n",
4530 ioc->name, hot_plug_info->channel, hot_plug_info->id,
4531 hot_plug_info->phys_disk_num, (unsigned long long)
4532 sas_device.sas_address);
4533
4534 vtarget->tflags &= ~MPT_TARGET_FLAGS_RAID_COMPONENT;
4535 vtarget->id = hot_plug_info->id;
4536 phy_info->attached.phys_disk_num = ~0;
4537 mptsas_reprobe_target(starget, 0);
4538 mptsas_add_device_component_by_fw(ioc,
4539 hot_plug_info->channel, hot_plug_info->id);
4540 break;
4541
4542 case MPTSAS_ADD_RAID:
4543
4544 mpt_findImVolumes(ioc);
4545 printk(MYIOC_s_INFO_FMT "attaching raid volume, channel %d, "
4546 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL,
4547 hot_plug_info->id);
4548 scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL,
4549 hot_plug_info->id, 0);
4550 break;
4551
4552 case MPTSAS_DEL_RAID:
4553
4554 mpt_findImVolumes(ioc);
4555 printk(MYIOC_s_INFO_FMT "removing raid volume, channel %d, "
4556 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL,
4557 hot_plug_info->id);
4558 scsi_remove_device(hot_plug_info->sdev);
4559 scsi_device_put(hot_plug_info->sdev);
4560 break;
4561
4562 case MPTSAS_ADD_INACTIVE_VOLUME:
4563
4564 mpt_findImVolumes(ioc);
4565 mptsas_adding_inactive_raid_components(ioc,
4566 hot_plug_info->channel, hot_plug_info->id);
4567 break;
4568
4569 default:
4570 break;
4571 }
4572
4573 mptsas_free_fw_event(ioc, fw_event);
4574}
4575
4576static void
4577mptsas_send_sas_event(struct fw_event_work *fw_event)
4578{
4579 MPT_ADAPTER *ioc;
4580 struct mptsas_hotplug_event hot_plug_info;
4581 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data;
4582 u32 device_info;
4583 u64 sas_address;
4584
4585 ioc = fw_event->ioc;
4586 sas_event_data = (EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *)
4587 fw_event->event_data;
4588 device_info = le32_to_cpu(sas_event_data->DeviceInfo);
4589
4590 if ((device_info &
4591 (MPI_SAS_DEVICE_INFO_SSP_TARGET |
4592 MPI_SAS_DEVICE_INFO_STP_TARGET |
4593 MPI_SAS_DEVICE_INFO_SATA_DEVICE)) == 0) {
4594 mptsas_free_fw_event(ioc, fw_event);
4595 return;
4596 }
4597
4598 if (sas_event_data->ReasonCode ==
4599 MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED) {
4600 mptbase_sas_persist_operation(ioc,
4601 MPI_SAS_OP_CLEAR_NOT_PRESENT);
4602 mptsas_free_fw_event(ioc, fw_event);
4603 return;
4604 }
4605
4606 switch (sas_event_data->ReasonCode) {
4607 case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING:
4608 case MPI_EVENT_SAS_DEV_STAT_RC_ADDED:
4609 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
4610 hot_plug_info.handle = le16_to_cpu(sas_event_data->DevHandle);
4611 hot_plug_info.channel = sas_event_data->Bus;
4612 hot_plug_info.id = sas_event_data->TargetID;
4613 hot_plug_info.phy_id = sas_event_data->PhyNum;
4614 memcpy(&sas_address, &sas_event_data->SASAddress,
4615 sizeof(u64));
4616 hot_plug_info.sas_address = le64_to_cpu(sas_address);
4617 hot_plug_info.device_info = device_info;
4618 if (sas_event_data->ReasonCode &
4619 MPI_EVENT_SAS_DEV_STAT_RC_ADDED)
4620 hot_plug_info.event_type = MPTSAS_ADD_DEVICE;
4621 else
4622 hot_plug_info.event_type = MPTSAS_DEL_DEVICE;
4623 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
4624 break;
4625
4626 case MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED:
4627 mptbase_sas_persist_operation(ioc,
4628 MPI_SAS_OP_CLEAR_NOT_PRESENT);
4629 mptsas_free_fw_event(ioc, fw_event);
4630 break;
4631
4632 case MPI_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
4633 /* TODO */
4634 case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
4635 /* TODO */
4636 default:
4637 mptsas_free_fw_event(ioc, fw_event);
4638 break;
4639 }
4640}
4641
4642static void
4643mptsas_send_raid_event(struct fw_event_work *fw_event)
4644{
4645 MPT_ADAPTER *ioc;
4646 EVENT_DATA_RAID *raid_event_data;
4647 struct mptsas_hotplug_event hot_plug_info;
4648 int status;
4649 int state;
4650 struct scsi_device *sdev = NULL;
4651 VirtDevice *vdevice = NULL;
4652 RaidPhysDiskPage0_t phys_disk;
4653
4654 ioc = fw_event->ioc;
4655 raid_event_data = (EVENT_DATA_RAID *)fw_event->event_data;
4656 status = le32_to_cpu(raid_event_data->SettingsStatus);
4657 state = (status >> 8) & 0xff;
4658
4659 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
4660 hot_plug_info.id = raid_event_data->VolumeID;
4661 hot_plug_info.channel = raid_event_data->VolumeBus;
4662 hot_plug_info.phys_disk_num = raid_event_data->PhysDiskNum;
4663
4664 if (raid_event_data->ReasonCode == MPI_EVENT_RAID_RC_VOLUME_DELETED ||
4665 raid_event_data->ReasonCode == MPI_EVENT_RAID_RC_VOLUME_CREATED ||
4666 raid_event_data->ReasonCode ==
4667 MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED) {
4668 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL,
4669 hot_plug_info.id, 0);
4670 hot_plug_info.sdev = sdev;
4671 if (sdev)
4672 vdevice = sdev->hostdata;
4673 }
4674
4675 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Entering %s: "
4676 "ReasonCode=%02x\n", ioc->name, __func__,
4677 raid_event_data->ReasonCode));
4678
4679 switch (raid_event_data->ReasonCode) {
4680 case MPI_EVENT_RAID_RC_PHYSDISK_DELETED:
4681 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK_REPROBE;
4682 break;
4683 case MPI_EVENT_RAID_RC_PHYSDISK_CREATED:
4684 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK_REPROBE;
4685 break;
4686 case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED:
4687 switch (state) {
4688 case MPI_PD_STATE_ONLINE:
4689 case MPI_PD_STATE_NOT_COMPATIBLE:
4690 mpt_raid_phys_disk_pg0(ioc,
4691 raid_event_data->PhysDiskNum, &phys_disk);
4692 hot_plug_info.id = phys_disk.PhysDiskID;
4693 hot_plug_info.channel = phys_disk.PhysDiskBus;
4694 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK;
4695 break;
4696 case MPI_PD_STATE_FAILED:
4697 case MPI_PD_STATE_MISSING:
4698 case MPI_PD_STATE_OFFLINE_AT_HOST_REQUEST:
4699 case MPI_PD_STATE_FAILED_AT_HOST_REQUEST:
4700 case MPI_PD_STATE_OFFLINE_FOR_ANOTHER_REASON:
4701 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK;
4702 break;
4703 default:
4704 break;
4705 }
4706 break;
4707 case MPI_EVENT_RAID_RC_VOLUME_DELETED:
4708 if (!sdev)
4709 break;
4710 vdevice->vtarget->deleted = 1; /* block IO */
4711 hot_plug_info.event_type = MPTSAS_DEL_RAID;
4712 break;
4713 case MPI_EVENT_RAID_RC_VOLUME_CREATED:
4714 if (sdev) {
4715 scsi_device_put(sdev);
4716 break;
4717 }
4718 hot_plug_info.event_type = MPTSAS_ADD_RAID;
4719 break;
4720 case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED:
4721 if (!(status & MPI_RAIDVOL0_STATUS_FLAG_ENABLED)) {
4722 if (!sdev)
4723 break;
4724 vdevice->vtarget->deleted = 1; /* block IO */
4725 hot_plug_info.event_type = MPTSAS_DEL_RAID;
4726 break;
4727 }
4728 switch (state) {
4729 case MPI_RAIDVOL0_STATUS_STATE_FAILED:
4730 case MPI_RAIDVOL0_STATUS_STATE_MISSING:
4731 if (!sdev)
4732 break;
4733 vdevice->vtarget->deleted = 1; /* block IO */
4734 hot_plug_info.event_type = MPTSAS_DEL_RAID;
4735 break;
4736 case MPI_RAIDVOL0_STATUS_STATE_OPTIMAL:
4737 case MPI_RAIDVOL0_STATUS_STATE_DEGRADED:
4738 if (sdev) {
4739 scsi_device_put(sdev);
4740 break;
4741 }
4742 hot_plug_info.event_type = MPTSAS_ADD_RAID;
4743 break;
4744 default:
4745 break;
4746 }
4747 break;
4748 default:
4749 break;
4750 }
4751
4752 if (hot_plug_info.event_type != MPTSAS_IGNORE_EVENT)
4753 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
4754 else
4755 mptsas_free_fw_event(ioc, fw_event);
4756}
4757
4758/**
4759 * mptsas_issue_tm - send mptsas internal tm request
4760 * @ioc: Pointer to MPT_ADAPTER structure
4761 * @type: Task Management type
4762 * @channel: channel number for task management
4763 * @id: Logical Target ID for reset (if appropriate)
4764 * @lun: Logical unit for reset (if appropriate)
4765 * @task_context: Context for the task to be aborted
4766 * @timeout: timeout for task management control
4767 *
4768 * return 0 on success and -1 on failure:
4769 *
4770 */
4771static int
4772mptsas_issue_tm(MPT_ADAPTER *ioc, u8 type, u8 channel, u8 id, u64 lun,
4773 int task_context, ulong timeout, u8 *issue_reset)
4774{
4775 MPT_FRAME_HDR *mf;
4776 SCSITaskMgmt_t *pScsiTm;
4777 int retval;
4778 unsigned long timeleft;
4779
4780 *issue_reset = 0;
4781 mf = mpt_get_msg_frame(mptsasDeviceResetCtx, ioc);
4782 if (mf == NULL) {
4783 retval = -1; /* return failure */
4784 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT "TaskMgmt request: no "
4785 "msg frames!!\n", ioc->name));
4786 goto out;
4787 }
4788
4789 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request: mr = %p, "
4790 "task_type = 0x%02X,\n\t timeout = %ld, fw_channel = %d, "
4791 "fw_id = %d, lun = %lld,\n\t task_context = 0x%x\n", ioc->name, mf,
4792 type, timeout, channel, id, (unsigned long long)lun,
4793 task_context));
4794
4795 pScsiTm = (SCSITaskMgmt_t *) mf;
4796 memset(pScsiTm, 0, sizeof(SCSITaskMgmt_t));
4797 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
4798 pScsiTm->TaskType = type;
4799 pScsiTm->MsgFlags = 0;
4800 pScsiTm->TargetID = id;
4801 pScsiTm->Bus = channel;
4802 pScsiTm->ChainOffset = 0;
4803 pScsiTm->Reserved = 0;
4804 pScsiTm->Reserved1 = 0;
4805 pScsiTm->TaskMsgContext = task_context;
4806 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
4807
4808 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
4809 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
4810 retval = 0;
4811 mpt_put_msg_frame_hi_pri(mptsasDeviceResetCtx, ioc, mf);
4812
4813 /* Now wait for the command to complete */
4814 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
4815 timeout*HZ);
4816 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
4817 retval = -1; /* return failure */
4818 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
4819 "TaskMgmt request: TIMED OUT!(mr=%p)\n", ioc->name, mf));
4820 mpt_free_msg_frame(ioc, mf);
4821 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
4822 goto out;
4823 *issue_reset = 1;
4824 goto out;
4825 }
4826
4827 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
4828 retval = -1; /* return failure */
4829 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4830 "TaskMgmt request: failed with no reply\n", ioc->name));
4831 goto out;
4832 }
4833
4834 out:
4835 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
4836 return retval;
4837}
4838
4839/**
4840 * mptsas_broadcast_primative_work - Handle broadcast primitives
4841 * @work: work queue payload containing info describing the event
4842 *
4843 * this will be handled in workqueue context.
4844 */
4845static void
4846mptsas_broadcast_primative_work(struct fw_event_work *fw_event)
4847{
4848 MPT_ADAPTER *ioc = fw_event->ioc;
4849 MPT_FRAME_HDR *mf;
4850 VirtDevice *vdevice;
4851 int ii;
4852 struct scsi_cmnd *sc;
4853 SCSITaskMgmtReply_t *pScsiTmReply;
4854 u8 issue_reset;
4855 int task_context;
4856 u8 channel, id;
4857 int lun;
4858 u32 termination_count;
4859 u32 query_count;
4860
4861 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4862 "%s - enter\n", ioc->name, __func__));
4863
4864 mutex_lock(&ioc->taskmgmt_cmds.mutex);
4865 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
4866 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
4867 mptsas_requeue_fw_event(ioc, fw_event, 1000);
4868 return;
4869 }
4870
4871 issue_reset = 0;
4872 termination_count = 0;
4873 query_count = 0;
4874 mpt_findImVolumes(ioc);
4875 pScsiTmReply = (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply;
4876
4877 for (ii = 0; ii < ioc->req_depth; ii++) {
4878 if (ioc->fw_events_off)
4879 goto out;
4880 sc = mptscsih_get_scsi_lookup(ioc, ii);
4881 if (!sc)
4882 continue;
4883 mf = MPT_INDEX_2_MFPTR(ioc, ii);
4884 if (!mf)
4885 continue;
4886 task_context = mf->u.frame.hwhdr.msgctxu.MsgContext;
4887 vdevice = sc->device->hostdata;
4888 if (!vdevice || !vdevice->vtarget)
4889 continue;
4890 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
4891 continue; /* skip hidden raid components */
4892 if (vdevice->vtarget->raidVolume)
4893 continue; /* skip hidden raid components */
4894 channel = vdevice->vtarget->channel;
4895 id = vdevice->vtarget->id;
4896 lun = vdevice->lun;
4897 if (mptsas_issue_tm(ioc, MPI_SCSITASKMGMT_TASKTYPE_QUERY_TASK,
4898 channel, id, (u64)lun, task_context, 30, &issue_reset))
4899 goto out;
4900 query_count++;
4901 termination_count +=
4902 le32_to_cpu(pScsiTmReply->TerminationCount);
4903 if ((pScsiTmReply->IOCStatus == MPI_IOCSTATUS_SUCCESS) &&
4904 (pScsiTmReply->ResponseCode ==
4905 MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED ||
4906 pScsiTmReply->ResponseCode ==
4907 MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC))
4908 continue;
4909 if (mptsas_issue_tm(ioc,
4910 MPI_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET,
4911 channel, id, (u64)lun, 0, 30, &issue_reset))
4912 goto out;
4913 termination_count +=
4914 le32_to_cpu(pScsiTmReply->TerminationCount);
4915 }
4916
4917 out:
4918 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4919 "%s - exit, query_count = %d termination_count = %d\n",
4920 ioc->name, __func__, query_count, termination_count));
4921
4922 ioc->broadcast_aen_busy = 0;
4923 mpt_clear_taskmgmt_in_progress_flag(ioc);
4924 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
4925
4926 if (issue_reset) {
4927 printk(MYIOC_s_WARN_FMT
4928 "Issuing Reset from %s!! doorbell=0x%08x\n",
4929 ioc->name, __func__, mpt_GetIocState(ioc, 0));
4930 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
4931 }
4932 mptsas_free_fw_event(ioc, fw_event);
4933}
4934
4935/*
4936 * mptsas_send_ir2_event - handle exposing hidden disk when
4937 * an inactive raid volume is added
4938 *
4939 * @ioc: Pointer to MPT_ADAPTER structure
4940 * @ir2_data
4941 *
4942 */
4943static void
4944mptsas_send_ir2_event(struct fw_event_work *fw_event)
4945{
4946 MPT_ADAPTER *ioc;
4947 struct mptsas_hotplug_event hot_plug_info;
4948 MPI_EVENT_DATA_IR2 *ir2_data;
4949 u8 reasonCode;
4950 RaidPhysDiskPage0_t phys_disk;
4951
4952 ioc = fw_event->ioc;
4953 ir2_data = (MPI_EVENT_DATA_IR2 *)fw_event->event_data;
4954 reasonCode = ir2_data->ReasonCode;
4955
4956 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Entering %s: "
4957 "ReasonCode=%02x\n", ioc->name, __func__, reasonCode));
4958
4959 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
4960 hot_plug_info.id = ir2_data->TargetID;
4961 hot_plug_info.channel = ir2_data->Bus;
4962 switch (reasonCode) {
4963 case MPI_EVENT_IR2_RC_FOREIGN_CFG_DETECTED:
4964 hot_plug_info.event_type = MPTSAS_ADD_INACTIVE_VOLUME;
4965 break;
4966 case MPI_EVENT_IR2_RC_DUAL_PORT_REMOVED:
4967 hot_plug_info.phys_disk_num = ir2_data->PhysDiskNum;
4968 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK;
4969 break;
4970 case MPI_EVENT_IR2_RC_DUAL_PORT_ADDED:
4971 hot_plug_info.phys_disk_num = ir2_data->PhysDiskNum;
4972 mpt_raid_phys_disk_pg0(ioc,
4973 ir2_data->PhysDiskNum, &phys_disk);
4974 hot_plug_info.id = phys_disk.PhysDiskID;
4975 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK;
4976 break;
4977 default:
4978 mptsas_free_fw_event(ioc, fw_event);
4979 return;
4980 }
4981 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
4982}
4983
4984static int
4985mptsas_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *reply)
4986{
4987 u32 event = le32_to_cpu(reply->Event);
4988 int sz, event_data_sz;
4989 struct fw_event_work *fw_event;
4990 unsigned long delay;
4991
4992 if (ioc->bus_type != SAS)
4993 return 0;
4994
4995 /* events turned off due to host reset or driver unloading */
4996 if (ioc->fw_events_off)
4997 return 0;
4998
4999 delay = msecs_to_jiffies(1);
5000 switch (event) {
5001 case MPI_EVENT_SAS_BROADCAST_PRIMITIVE:
5002 {
5003 EVENT_DATA_SAS_BROADCAST_PRIMITIVE *broadcast_event_data =
5004 (EVENT_DATA_SAS_BROADCAST_PRIMITIVE *)reply->Data;
5005 if (broadcast_event_data->Primitive !=
5006 MPI_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT)
5007 return 0;
5008 if (ioc->broadcast_aen_busy)
5009 return 0;
5010 ioc->broadcast_aen_busy = 1;
5011 break;
5012 }
5013 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
5014 {
5015 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data =
5016 (EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *)reply->Data;
5017 u16 ioc_stat;
5018 ioc_stat = le16_to_cpu(reply->IOCStatus);
5019
5020 if (sas_event_data->ReasonCode ==
5021 MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING) {
5022 mptsas_target_reset_queue(ioc, sas_event_data);
5023 return 0;
5024 }
5025 if (sas_event_data->ReasonCode ==
5026 MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET &&
5027 ioc->device_missing_delay &&
5028 (ioc_stat & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)) {
5029 VirtTarget *vtarget = NULL;
5030 u8 id, channel;
5031
5032 id = sas_event_data->TargetID;
5033 channel = sas_event_data->Bus;
5034
5035 vtarget = mptsas_find_vtarget(ioc, channel, id);
5036 if (vtarget) {
5037 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5038 "LogInfo (0x%x) available for "
5039 "INTERNAL_DEVICE_RESET"
5040 "fw_id %d fw_channel %d\n", ioc->name,
5041 le32_to_cpu(reply->IOCLogInfo),
5042 id, channel));
5043 if (vtarget->raidVolume) {
5044 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5045 "Skipping Raid Volume for inDMD\n",
5046 ioc->name));
5047 } else {
5048 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5049 "Setting device flag inDMD\n",
5050 ioc->name));
5051 vtarget->inDMD = 1;
5052 }
5053
5054 }
5055
5056 }
5057
5058 break;
5059 }
5060 case MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE:
5061 {
5062 MpiEventDataSasExpanderStatusChange_t *expander_data =
5063 (MpiEventDataSasExpanderStatusChange_t *)reply->Data;
5064
5065 if (ioc->old_sas_discovery_protocal)
5066 return 0;
5067
5068 if (expander_data->ReasonCode ==
5069 MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING &&
5070 ioc->device_missing_delay)
5071 delay = HZ * ioc->device_missing_delay;
5072 break;
5073 }
5074 case MPI_EVENT_SAS_DISCOVERY:
5075 {
5076 u32 discovery_status;
5077 EventDataSasDiscovery_t *discovery_data =
5078 (EventDataSasDiscovery_t *)reply->Data;
5079
5080 discovery_status = le32_to_cpu(discovery_data->DiscoveryStatus);
5081 ioc->sas_discovery_quiesce_io = discovery_status ? 1 : 0;
5082 if (ioc->old_sas_discovery_protocal && !discovery_status)
5083 mptsas_queue_rescan(ioc);
5084 return 0;
5085 }
5086 case MPI_EVENT_INTEGRATED_RAID:
5087 case MPI_EVENT_PERSISTENT_TABLE_FULL:
5088 case MPI_EVENT_IR2:
5089 case MPI_EVENT_SAS_PHY_LINK_STATUS:
5090 case MPI_EVENT_QUEUE_FULL:
5091 break;
5092 default:
5093 return 0;
5094 }
5095
5096 event_data_sz = ((reply->MsgLength * 4) -
5097 offsetof(EventNotificationReply_t, Data));
5098 sz = offsetof(struct fw_event_work, event_data) + event_data_sz;
5099 fw_event = kzalloc(sz, GFP_ATOMIC);
5100 if (!fw_event) {
5101 printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n", ioc->name,
5102 __func__, __LINE__);
5103 return 0;
5104 }
5105 memcpy(fw_event->event_data, reply->Data, event_data_sz);
5106 fw_event->event = event;
5107 fw_event->ioc = ioc;
5108 mptsas_add_fw_event(ioc, fw_event, delay);
5109 return 0;
5110}
5111
5112/* Delete a volume when no longer listed in ioc pg2
5113 */
5114static void mptsas_volume_delete(MPT_ADAPTER *ioc, u8 id)
5115{
5116 struct scsi_device *sdev;
5117 int i;
5118
5119 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL, id, 0);
5120 if (!sdev)
5121 return;
5122 if (!ioc->raid_data.pIocPg2)
5123 goto out;
5124 if (!ioc->raid_data.pIocPg2->NumActiveVolumes)
5125 goto out;
5126 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++)
5127 if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID == id)
5128 goto release_sdev;
5129 out:
5130 printk(MYIOC_s_INFO_FMT "removing raid volume, channel %d, "
5131 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL, id);
5132 scsi_remove_device(sdev);
5133 release_sdev:
5134 scsi_device_put(sdev);
5135}
5136
5137static int
5138mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
5139{
5140 struct Scsi_Host *sh;
5141 MPT_SCSI_HOST *hd;
5142 MPT_ADAPTER *ioc;
5143 unsigned long flags;
5144 int ii;
5145 int numSGE = 0;
5146 int scale;
5147 int ioc_cap;
5148 int error=0;
5149 int r;
5150
5151 r = mpt_attach(pdev,id);
5152 if (r)
5153 return r;
5154
5155 ioc = pci_get_drvdata(pdev);
5156 mptsas_fw_event_off(ioc);
5157 ioc->DoneCtx = mptsasDoneCtx;
5158 ioc->TaskCtx = mptsasTaskCtx;
5159 ioc->InternalCtx = mptsasInternalCtx;
5160 ioc->schedule_target_reset = &mptsas_schedule_target_reset;
5161 ioc->schedule_dead_ioc_flush_running_cmds =
5162 &mptscsih_flush_running_cmds;
5163 /* Added sanity check on readiness of the MPT adapter.
5164 */
5165 if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) {
5166 printk(MYIOC_s_WARN_FMT
5167 "Skipping because it's not operational!\n",
5168 ioc->name);
5169 error = -ENODEV;
5170 goto out_mptsas_probe;
5171 }
5172
5173 if (!ioc->active) {
5174 printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n",
5175 ioc->name);
5176 error = -ENODEV;
5177 goto out_mptsas_probe;
5178 }
5179
5180 /* Sanity check - ensure at least 1 port is INITIATOR capable
5181 */
5182 ioc_cap = 0;
5183 for (ii = 0; ii < ioc->facts.NumberOfPorts; ii++) {
5184 if (ioc->pfacts[ii].ProtocolFlags &
5185 MPI_PORTFACTS_PROTOCOL_INITIATOR)
5186 ioc_cap++;
5187 }
5188
5189 if (!ioc_cap) {
5190 printk(MYIOC_s_WARN_FMT
5191 "Skipping ioc=%p because SCSI Initiator mode "
5192 "is NOT enabled!\n", ioc->name, ioc);
5193 return 0;
5194 }
5195
5196 sh = scsi_host_alloc(&mptsas_driver_template, sizeof(MPT_SCSI_HOST));
5197 if (!sh) {
5198 printk(MYIOC_s_WARN_FMT
5199 "Unable to register controller with SCSI subsystem\n",
5200 ioc->name);
5201 error = -1;
5202 goto out_mptsas_probe;
5203 }
5204
5205 spin_lock_irqsave(&ioc->FreeQlock, flags);
5206
5207 /* Attach the SCSI Host to the IOC structure
5208 */
5209 ioc->sh = sh;
5210
5211 sh->io_port = 0;
5212 sh->n_io_port = 0;
5213 sh->irq = 0;
5214
5215 /* set 16 byte cdb's */
5216 sh->max_cmd_len = 16;
5217 sh->can_queue = min_t(int, ioc->req_depth - 10, sh->can_queue);
5218 sh->max_id = -1;
5219 sh->max_lun = max_lun;
5220 sh->transportt = mptsas_transport_template;
5221
5222 /* Required entry.
5223 */
5224 sh->unique_id = ioc->id;
5225
5226 INIT_LIST_HEAD(&ioc->sas_topology);
5227 mutex_init(&ioc->sas_topology_mutex);
5228 mutex_init(&ioc->sas_discovery_mutex);
5229 mutex_init(&ioc->sas_mgmt.mutex);
5230 init_completion(&ioc->sas_mgmt.done);
5231
5232 /* Verify that we won't exceed the maximum
5233 * number of chain buffers
5234 * We can optimize: ZZ = req_sz/sizeof(SGE)
5235 * For 32bit SGE's:
5236 * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ
5237 * + (req_sz - 64)/sizeof(SGE)
5238 * A slightly different algorithm is required for
5239 * 64bit SGEs.
5240 */
5241 scale = ioc->req_sz/ioc->SGE_size;
5242 if (ioc->sg_addr_size == sizeof(u64)) {
5243 numSGE = (scale - 1) *
5244 (ioc->facts.MaxChainDepth-1) + scale +
5245 (ioc->req_sz - 60) / ioc->SGE_size;
5246 } else {
5247 numSGE = 1 + (scale - 1) *
5248 (ioc->facts.MaxChainDepth-1) + scale +
5249 (ioc->req_sz - 64) / ioc->SGE_size;
5250 }
5251
5252 if (numSGE < sh->sg_tablesize) {
5253 /* Reset this value */
5254 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5255 "Resetting sg_tablesize to %d from %d\n",
5256 ioc->name, numSGE, sh->sg_tablesize));
5257 sh->sg_tablesize = numSGE;
5258 }
5259
5260 if (mpt_loadtime_max_sectors) {
5261 if (mpt_loadtime_max_sectors < 64 ||
5262 mpt_loadtime_max_sectors > 8192) {
5263 printk(MYIOC_s_INFO_FMT "Invalid value passed for"
5264 "mpt_loadtime_max_sectors %d."
5265 "Range from 64 to 8192\n", ioc->name,
5266 mpt_loadtime_max_sectors);
5267 }
5268 mpt_loadtime_max_sectors &= 0xFFFFFFFE;
5269 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5270 "Resetting max sector to %d from %d\n",
5271 ioc->name, mpt_loadtime_max_sectors, sh->max_sectors));
5272 sh->max_sectors = mpt_loadtime_max_sectors;
5273 }
5274
5275 hd = shost_priv(sh);
5276 hd->ioc = ioc;
5277
5278 /* SCSI needs scsi_cmnd lookup table!
5279 * (with size equal to req_depth*PtrSz!)
5280 */
5281 ioc->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC);
5282 if (!ioc->ScsiLookup) {
5283 error = -ENOMEM;
5284 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
5285 goto out_mptsas_probe;
5286 }
5287 spin_lock_init(&ioc->scsi_lookup_lock);
5288
5289 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n",
5290 ioc->name, ioc->ScsiLookup));
5291
5292 ioc->sas_data.ptClear = mpt_pt_clear;
5293
5294 hd->last_queue_full = 0;
5295 INIT_LIST_HEAD(&hd->target_reset_list);
5296 INIT_LIST_HEAD(&ioc->sas_device_info_list);
5297 mutex_init(&ioc->sas_device_info_mutex);
5298
5299 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
5300
5301 if (ioc->sas_data.ptClear==1) {
5302 mptbase_sas_persist_operation(
5303 ioc, MPI_SAS_OP_CLEAR_ALL_PERSISTENT);
5304 }
5305
5306 error = scsi_add_host(sh, &ioc->pcidev->dev);
5307 if (error) {
5308 dprintk(ioc, printk(MYIOC_s_ERR_FMT
5309 "scsi_add_host failed\n", ioc->name));
5310 goto out_mptsas_probe;
5311 }
5312
5313 /* older firmware doesn't support expander events */
5314 if ((ioc->facts.HeaderVersion >> 8) < 0xE)
5315 ioc->old_sas_discovery_protocal = 1;
5316 mptsas_scan_sas_topology(ioc);
5317 mptsas_fw_event_on(ioc);
5318 return 0;
5319
5320 out_mptsas_probe:
5321
5322 mptscsih_remove(pdev);
5323 return error;
5324}
5325
5326void
5327mptsas_shutdown(struct pci_dev *pdev)
5328{
5329 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
5330
5331 mptsas_fw_event_off(ioc);
5332 mptsas_cleanup_fw_event_q(ioc);
5333}
5334
5335static void mptsas_remove(struct pci_dev *pdev)
5336{
5337 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
5338 struct mptsas_portinfo *p, *n;
5339 int i;
5340
5341 if (!ioc->sh) {
5342 printk(MYIOC_s_INFO_FMT "IOC is in Target mode\n", ioc->name);
5343 mpt_detach(pdev);
5344 return;
5345 }
5346
5347 mptsas_shutdown(pdev);
5348
5349 mptsas_del_device_components(ioc);
5350
5351 ioc->sas_discovery_ignore_events = 1;
5352 sas_remove_host(ioc->sh);
5353
5354 mutex_lock(&ioc->sas_topology_mutex);
5355 list_for_each_entry_safe(p, n, &ioc->sas_topology, list) {
5356 list_del(&p->list);
5357 for (i = 0 ; i < p->num_phys ; i++)
5358 mptsas_port_delete(ioc, p->phy_info[i].port_details);
5359
5360 kfree(p->phy_info);
5361 kfree(p);
5362 }
5363 mutex_unlock(&ioc->sas_topology_mutex);
5364 ioc->hba_port_info = NULL;
5365 mptscsih_remove(pdev);
5366}
5367
5368static struct pci_device_id mptsas_pci_table[] = {
5369 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1064,
5370 PCI_ANY_ID, PCI_ANY_ID },
5371 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068,
5372 PCI_ANY_ID, PCI_ANY_ID },
5373 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1064E,
5374 PCI_ANY_ID, PCI_ANY_ID },
5375 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068E,
5376 PCI_ANY_ID, PCI_ANY_ID },
5377 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1078,
5378 PCI_ANY_ID, PCI_ANY_ID },
5379 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068_820XELP,
5380 PCI_ANY_ID, PCI_ANY_ID },
5381 {0} /* Terminating entry */
5382};
5383MODULE_DEVICE_TABLE(pci, mptsas_pci_table);
5384
5385
5386static struct pci_driver mptsas_driver = {
5387 .name = "mptsas",
5388 .id_table = mptsas_pci_table,
5389 .probe = mptsas_probe,
5390 .remove = mptsas_remove,
5391 .shutdown = mptsas_shutdown,
5392#ifdef CONFIG_PM
5393 .suspend = mptscsih_suspend,
5394 .resume = mptscsih_resume,
5395#endif
5396};
5397
5398static int __init
5399mptsas_init(void)
5400{
5401 int error;
5402
5403 show_mptmod_ver(my_NAME, my_VERSION);
5404
5405 mptsas_transport_template =
5406 sas_attach_transport(&mptsas_transport_functions);
5407 if (!mptsas_transport_template)
5408 return -ENODEV;
5409 mptsas_transport_template->eh_timed_out = mptsas_eh_timed_out;
5410
5411 mptsasDoneCtx = mpt_register(mptscsih_io_done, MPTSAS_DRIVER,
5412 "mptscsih_io_done");
5413 mptsasTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSAS_DRIVER,
5414 "mptscsih_taskmgmt_complete");
5415 mptsasInternalCtx =
5416 mpt_register(mptscsih_scandv_complete, MPTSAS_DRIVER,
5417 "mptscsih_scandv_complete");
5418 mptsasMgmtCtx = mpt_register(mptsas_mgmt_done, MPTSAS_DRIVER,
5419 "mptsas_mgmt_done");
5420 mptsasDeviceResetCtx =
5421 mpt_register(mptsas_taskmgmt_complete, MPTSAS_DRIVER,
5422 "mptsas_taskmgmt_complete");
5423
5424 mpt_event_register(mptsasDoneCtx, mptsas_event_process);
5425 mpt_reset_register(mptsasDoneCtx, mptsas_ioc_reset);
5426
5427 error = pci_register_driver(&mptsas_driver);
5428 if (error)
5429 sas_release_transport(mptsas_transport_template);
5430
5431 return error;
5432}
5433
5434static void __exit
5435mptsas_exit(void)
5436{
5437 pci_unregister_driver(&mptsas_driver);
5438 sas_release_transport(mptsas_transport_template);
5439
5440 mpt_reset_deregister(mptsasDoneCtx);
5441 mpt_event_deregister(mptsasDoneCtx);
5442
5443 mpt_deregister(mptsasMgmtCtx);
5444 mpt_deregister(mptsasInternalCtx);
5445 mpt_deregister(mptsasTaskCtx);
5446 mpt_deregister(mptsasDoneCtx);
5447 mpt_deregister(mptsasDeviceResetCtx);
5448}
5449
5450module_init(mptsas_init);
5451module_exit(mptsas_exit);
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
78MODULE_AUTHOR(MODULEAUTHOR);
79MODULE_DESCRIPTION(my_NAME);
80MODULE_LICENSE("GPL");
81MODULE_VERSION(my_VERSION);
82
83static int mpt_pt_clear;
84module_param(mpt_pt_clear, int, 0);
85MODULE_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)
91static int max_lun = MPTSAS_MAX_LUN;
92module_param(max_lun, int, 0);
93MODULE_PARM_DESC(max_lun, " max lun, default=16895 ");
94
95static int mpt_loadtime_max_sectors = 8192;
96module_param(mpt_loadtime_max_sectors, int, 0);
97MODULE_PARM_DESC(mpt_loadtime_max_sectors,
98 " Maximum sector define for Host Bus Adaptor.Range 64 to 8192 default=8192");
99
100static u8 mptsasDoneCtx = MPT_MAX_PROTOCOL_DRIVERS;
101static u8 mptsasTaskCtx = MPT_MAX_PROTOCOL_DRIVERS;
102static u8 mptsasInternalCtx = MPT_MAX_PROTOCOL_DRIVERS; /* Used only for internal commands */
103static u8 mptsasMgmtCtx = MPT_MAX_PROTOCOL_DRIVERS;
104static u8 mptsasDeviceResetCtx = MPT_MAX_PROTOCOL_DRIVERS;
105
106static void mptsas_firmware_event_work(struct work_struct *work);
107static void mptsas_send_sas_event(struct fw_event_work *fw_event);
108static void mptsas_send_raid_event(struct fw_event_work *fw_event);
109static void mptsas_send_ir2_event(struct fw_event_work *fw_event);
110static void mptsas_parse_device_info(struct sas_identify *identify,
111 struct mptsas_devinfo *device_info);
112static inline void mptsas_set_rphy(MPT_ADAPTER *ioc,
113 struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy);
114static struct mptsas_phyinfo *mptsas_find_phyinfo_by_sas_address
115 (MPT_ADAPTER *ioc, u64 sas_address);
116static int mptsas_sas_device_pg0(MPT_ADAPTER *ioc,
117 struct mptsas_devinfo *device_info, u32 form, u32 form_specific);
118static int mptsas_sas_enclosure_pg0(MPT_ADAPTER *ioc,
119 struct mptsas_enclosure *enclosure, u32 form, u32 form_specific);
120static int mptsas_add_end_device(MPT_ADAPTER *ioc,
121 struct mptsas_phyinfo *phy_info);
122static void mptsas_del_end_device(MPT_ADAPTER *ioc,
123 struct mptsas_phyinfo *phy_info);
124static void mptsas_send_link_status_event(struct fw_event_work *fw_event);
125static struct mptsas_portinfo *mptsas_find_portinfo_by_sas_address
126 (MPT_ADAPTER *ioc, u64 sas_address);
127static void mptsas_expander_delete(MPT_ADAPTER *ioc,
128 struct mptsas_portinfo *port_info, u8 force);
129static void mptsas_send_expander_event(struct fw_event_work *fw_event);
130static void mptsas_not_responding_devices(MPT_ADAPTER *ioc);
131static void mptsas_scan_sas_topology(MPT_ADAPTER *ioc);
132static void mptsas_broadcast_primative_work(struct fw_event_work *fw_event);
133static void mptsas_handle_queue_full_event(struct fw_event_work *fw_event);
134static void mptsas_volume_delete(MPT_ADAPTER *ioc, u8 id);
135void mptsas_schedule_target_reset(void *ioc);
136
137static 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
161static 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
187static 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
204static 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
238static 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 */
260static void
261mptsas_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 */
273static void
274mptsas_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 */
284static void
285mptsas_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 */
302static void
303mptsas_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 */
318static void
319mptsas_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 */
333static void
334mptsas_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
364static 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
370static 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 */
381static struct mptsas_portinfo *
382mptsas_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 **/
405static struct mptsas_portinfo *
406mptsas_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 */
432static inline int
433mptsas_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 */
450static void
451mptsas_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
478static inline struct sas_rphy *
479mptsas_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
487static inline void
488mptsas_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
504static inline struct sas_port *
505mptsas_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
513static inline void
514mptsas_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
527static inline struct scsi_target *
528mptsas_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
536static inline void
537mptsas_set_starget(struct mptsas_phyinfo *phy_info, struct scsi_target *
538starget)
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 **/
553static void
554mptsas_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 **/
618static void
619mptsas_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 **/
650static void
651mptsas_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 **/
754static void
755mptsas_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 **/
789static void
790mptsas_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 **/
809static void
810mptsas_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 */
830static void
831mptsas_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 **/
965static VirtTarget *
966mptsas_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
988static void
989mptsas_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
1009static void
1010mptsas_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 **/
1039static int
1040mptsas_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
1085static void
1086mptsas_block_io_sdev(struct scsi_device *sdev, void *data)
1087{
1088 scsi_device_set_state(sdev, SDEV_BLOCK);
1089}
1090
1091static void
1092mptsas_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 **/
1109static void
1110mptsas_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
1156void
1157mptsas_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 **/
1193static int
1194mptsas_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 **/
1287static int
1288mptsas_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 */
1337enum device_state{
1338 DEVICE_RETRY,
1339 DEVICE_ERROR,
1340 DEVICE_READY,
1341};
1342
1343static int
1344mptsas_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 **/
1416static int
1417mptsas_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 **/
1492static void
1493mptsas_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
1576static struct mptsas_phyinfo *
1577mptsas_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 */
1617static void
1618mptsas_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
1685static int
1686mptsas_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
1715static int
1716mptsas_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
1793static void
1794mptsas_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
1842static int
1843mptsas_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
1896static int
1897mptsas_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 **/
1928static 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
1968done:
1969 return rc;
1970}
1971
1972
1973static 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_abort_handler = mptscsih_abort,
1987 .eh_device_reset_handler = mptscsih_dev_reset,
1988 .eh_host_reset_handler = mptscsih_host_reset,
1989 .bios_param = mptscsih_bios_param,
1990 .can_queue = MPT_SAS_CAN_QUEUE,
1991 .this_id = -1,
1992 .sg_tablesize = MPT_SCSI_SG_DEPTH,
1993 .max_sectors = 8192,
1994 .cmd_per_lun = 7,
1995 .use_clustering = ENABLE_CLUSTERING,
1996 .shost_attrs = mptscsih_host_attrs,
1997};
1998
1999static int mptsas_get_linkerrors(struct sas_phy *phy)
2000{
2001 MPT_ADAPTER *ioc = phy_to_ioc(phy);
2002 ConfigExtendedPageHeader_t hdr;
2003 CONFIGPARMS cfg;
2004 SasPhyPage1_t *buffer;
2005 dma_addr_t dma_handle;
2006 int error;
2007
2008 /* FIXME: only have link errors on local phys */
2009 if (!scsi_is_sas_phy_local(phy))
2010 return -EINVAL;
2011
2012 hdr.PageVersion = MPI_SASPHY1_PAGEVERSION;
2013 hdr.ExtPageLength = 0;
2014 hdr.PageNumber = 1 /* page number 1*/;
2015 hdr.Reserved1 = 0;
2016 hdr.Reserved2 = 0;
2017 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2018 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY;
2019
2020 cfg.cfghdr.ehdr = &hdr;
2021 cfg.physAddr = -1;
2022 cfg.pageAddr = phy->identify.phy_identifier;
2023 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2024 cfg.dir = 0; /* read */
2025 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2026
2027 error = mpt_config(ioc, &cfg);
2028 if (error)
2029 return error;
2030 if (!hdr.ExtPageLength)
2031 return -ENXIO;
2032
2033 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2034 &dma_handle);
2035 if (!buffer)
2036 return -ENOMEM;
2037
2038 cfg.physAddr = dma_handle;
2039 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2040
2041 error = mpt_config(ioc, &cfg);
2042 if (error)
2043 goto out_free_consistent;
2044
2045 mptsas_print_phy_pg1(ioc, buffer);
2046
2047 phy->invalid_dword_count = le32_to_cpu(buffer->InvalidDwordCount);
2048 phy->running_disparity_error_count =
2049 le32_to_cpu(buffer->RunningDisparityErrorCount);
2050 phy->loss_of_dword_sync_count =
2051 le32_to_cpu(buffer->LossDwordSynchCount);
2052 phy->phy_reset_problem_count =
2053 le32_to_cpu(buffer->PhyResetProblemCount);
2054
2055 out_free_consistent:
2056 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2057 buffer, dma_handle);
2058 return error;
2059}
2060
2061static int mptsas_mgmt_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2062 MPT_FRAME_HDR *reply)
2063{
2064 ioc->sas_mgmt.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2065 if (reply != NULL) {
2066 ioc->sas_mgmt.status |= MPT_MGMT_STATUS_RF_VALID;
2067 memcpy(ioc->sas_mgmt.reply, reply,
2068 min(ioc->reply_sz, 4 * reply->u.reply.MsgLength));
2069 }
2070
2071 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_PENDING) {
2072 ioc->sas_mgmt.status &= ~MPT_MGMT_STATUS_PENDING;
2073 complete(&ioc->sas_mgmt.done);
2074 return 1;
2075 }
2076 return 0;
2077}
2078
2079static int mptsas_phy_reset(struct sas_phy *phy, int hard_reset)
2080{
2081 MPT_ADAPTER *ioc = phy_to_ioc(phy);
2082 SasIoUnitControlRequest_t *req;
2083 SasIoUnitControlReply_t *reply;
2084 MPT_FRAME_HDR *mf;
2085 MPIHeader_t *hdr;
2086 unsigned long timeleft;
2087 int error = -ERESTARTSYS;
2088
2089 /* FIXME: fusion doesn't allow non-local phy reset */
2090 if (!scsi_is_sas_phy_local(phy))
2091 return -EINVAL;
2092
2093 /* not implemented for expanders */
2094 if (phy->identify.target_port_protocols & SAS_PROTOCOL_SMP)
2095 return -ENXIO;
2096
2097 if (mutex_lock_interruptible(&ioc->sas_mgmt.mutex))
2098 goto out;
2099
2100 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
2101 if (!mf) {
2102 error = -ENOMEM;
2103 goto out_unlock;
2104 }
2105
2106 hdr = (MPIHeader_t *) mf;
2107 req = (SasIoUnitControlRequest_t *)mf;
2108 memset(req, 0, sizeof(SasIoUnitControlRequest_t));
2109 req->Function = MPI_FUNCTION_SAS_IO_UNIT_CONTROL;
2110 req->MsgContext = hdr->MsgContext;
2111 req->Operation = hard_reset ?
2112 MPI_SAS_OP_PHY_HARD_RESET : MPI_SAS_OP_PHY_LINK_RESET;
2113 req->PhyNum = phy->identify.phy_identifier;
2114
2115 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status)
2116 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
2117
2118 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done,
2119 10 * HZ);
2120 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2121 error = -ETIME;
2122 mpt_free_msg_frame(ioc, mf);
2123 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
2124 goto out_unlock;
2125 if (!timeleft)
2126 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2127 goto out_unlock;
2128 }
2129
2130 /* a reply frame is expected */
2131 if ((ioc->sas_mgmt.status &
2132 MPT_MGMT_STATUS_RF_VALID) == 0) {
2133 error = -ENXIO;
2134 goto out_unlock;
2135 }
2136
2137 /* process the completed Reply Message Frame */
2138 reply = (SasIoUnitControlReply_t *)ioc->sas_mgmt.reply;
2139 if (reply->IOCStatus != MPI_IOCSTATUS_SUCCESS) {
2140 printk(MYIOC_s_INFO_FMT "%s: IOCStatus=0x%X IOCLogInfo=0x%X\n",
2141 ioc->name, __func__, reply->IOCStatus, reply->IOCLogInfo);
2142 error = -ENXIO;
2143 goto out_unlock;
2144 }
2145
2146 error = 0;
2147
2148 out_unlock:
2149 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status)
2150 mutex_unlock(&ioc->sas_mgmt.mutex);
2151 out:
2152 return error;
2153}
2154
2155static int
2156mptsas_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier)
2157{
2158 MPT_ADAPTER *ioc = rphy_to_ioc(rphy);
2159 int i, error;
2160 struct mptsas_portinfo *p;
2161 struct mptsas_enclosure enclosure_info;
2162 u64 enclosure_handle;
2163
2164 mutex_lock(&ioc->sas_topology_mutex);
2165 list_for_each_entry(p, &ioc->sas_topology, list) {
2166 for (i = 0; i < p->num_phys; i++) {
2167 if (p->phy_info[i].attached.sas_address ==
2168 rphy->identify.sas_address) {
2169 enclosure_handle = p->phy_info[i].
2170 attached.handle_enclosure;
2171 goto found_info;
2172 }
2173 }
2174 }
2175 mutex_unlock(&ioc->sas_topology_mutex);
2176 return -ENXIO;
2177
2178 found_info:
2179 mutex_unlock(&ioc->sas_topology_mutex);
2180 memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure));
2181 error = mptsas_sas_enclosure_pg0(ioc, &enclosure_info,
2182 (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE <<
2183 MPI_SAS_ENCLOS_PGAD_FORM_SHIFT), enclosure_handle);
2184 if (!error)
2185 *identifier = enclosure_info.enclosure_logical_id;
2186 return error;
2187}
2188
2189static int
2190mptsas_get_bay_identifier(struct sas_rphy *rphy)
2191{
2192 MPT_ADAPTER *ioc = rphy_to_ioc(rphy);
2193 struct mptsas_portinfo *p;
2194 int i, rc;
2195
2196 mutex_lock(&ioc->sas_topology_mutex);
2197 list_for_each_entry(p, &ioc->sas_topology, list) {
2198 for (i = 0; i < p->num_phys; i++) {
2199 if (p->phy_info[i].attached.sas_address ==
2200 rphy->identify.sas_address) {
2201 rc = p->phy_info[i].attached.slot;
2202 goto out;
2203 }
2204 }
2205 }
2206 rc = -ENXIO;
2207 out:
2208 mutex_unlock(&ioc->sas_topology_mutex);
2209 return rc;
2210}
2211
2212static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
2213 struct request *req)
2214{
2215 MPT_ADAPTER *ioc = ((MPT_SCSI_HOST *) shost->hostdata)->ioc;
2216 MPT_FRAME_HDR *mf;
2217 SmpPassthroughRequest_t *smpreq;
2218 struct request *rsp = req->next_rq;
2219 int ret;
2220 int flagsLength;
2221 unsigned long timeleft;
2222 char *psge;
2223 dma_addr_t dma_addr_in = 0;
2224 dma_addr_t dma_addr_out = 0;
2225 u64 sas_address = 0;
2226
2227 if (!rsp) {
2228 printk(MYIOC_s_ERR_FMT "%s: the smp response space is missing\n",
2229 ioc->name, __func__);
2230 return -EINVAL;
2231 }
2232
2233 /* do we need to support multiple segments? */
2234 if (bio_multiple_segments(req->bio) ||
2235 bio_multiple_segments(rsp->bio)) {
2236 printk(MYIOC_s_ERR_FMT "%s: multiple segments req %u, rsp %u\n",
2237 ioc->name, __func__, blk_rq_bytes(req), blk_rq_bytes(rsp));
2238 return -EINVAL;
2239 }
2240
2241 ret = mutex_lock_interruptible(&ioc->sas_mgmt.mutex);
2242 if (ret)
2243 goto out;
2244
2245 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
2246 if (!mf) {
2247 ret = -ENOMEM;
2248 goto out_unlock;
2249 }
2250
2251 smpreq = (SmpPassthroughRequest_t *)mf;
2252 memset(smpreq, 0, sizeof(*smpreq));
2253
2254 smpreq->RequestDataLength = cpu_to_le16(blk_rq_bytes(req) - 4);
2255 smpreq->Function = MPI_FUNCTION_SMP_PASSTHROUGH;
2256
2257 if (rphy)
2258 sas_address = rphy->identify.sas_address;
2259 else {
2260 struct mptsas_portinfo *port_info;
2261
2262 mutex_lock(&ioc->sas_topology_mutex);
2263 port_info = ioc->hba_port_info;
2264 if (port_info && port_info->phy_info)
2265 sas_address =
2266 port_info->phy_info[0].phy->identify.sas_address;
2267 mutex_unlock(&ioc->sas_topology_mutex);
2268 }
2269
2270 *((u64 *)&smpreq->SASAddress) = cpu_to_le64(sas_address);
2271
2272 psge = (char *)
2273 (((int *) mf) + (offsetof(SmpPassthroughRequest_t, SGL) / 4));
2274
2275 /* request */
2276 flagsLength = (MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2277 MPI_SGE_FLAGS_END_OF_BUFFER |
2278 MPI_SGE_FLAGS_DIRECTION)
2279 << MPI_SGE_FLAGS_SHIFT;
2280 flagsLength |= (blk_rq_bytes(req) - 4);
2281
2282 dma_addr_out = pci_map_single(ioc->pcidev, bio_data(req->bio),
2283 blk_rq_bytes(req), PCI_DMA_BIDIRECTIONAL);
2284 if (!dma_addr_out)
2285 goto put_mf;
2286 ioc->add_sge(psge, flagsLength, dma_addr_out);
2287 psge += ioc->SGE_size;
2288
2289 /* response */
2290 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2291 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
2292 MPI_SGE_FLAGS_IOC_TO_HOST |
2293 MPI_SGE_FLAGS_END_OF_BUFFER;
2294
2295 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT;
2296 flagsLength |= blk_rq_bytes(rsp) + 4;
2297 dma_addr_in = pci_map_single(ioc->pcidev, bio_data(rsp->bio),
2298 blk_rq_bytes(rsp), PCI_DMA_BIDIRECTIONAL);
2299 if (!dma_addr_in)
2300 goto unmap;
2301 ioc->add_sge(psge, flagsLength, dma_addr_in);
2302
2303 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status)
2304 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
2305
2306 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done, 10 * HZ);
2307 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2308 ret = -ETIME;
2309 mpt_free_msg_frame(ioc, mf);
2310 mf = NULL;
2311 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
2312 goto unmap;
2313 if (!timeleft)
2314 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2315 goto unmap;
2316 }
2317 mf = NULL;
2318
2319 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_RF_VALID) {
2320 SmpPassthroughReply_t *smprep;
2321
2322 smprep = (SmpPassthroughReply_t *)ioc->sas_mgmt.reply;
2323 memcpy(req->sense, smprep, sizeof(*smprep));
2324 req->sense_len = sizeof(*smprep);
2325 req->resid_len = 0;
2326 rsp->resid_len -= smprep->ResponseDataLength;
2327 } else {
2328 printk(MYIOC_s_ERR_FMT
2329 "%s: smp passthru reply failed to be returned\n",
2330 ioc->name, __func__);
2331 ret = -ENXIO;
2332 }
2333unmap:
2334 if (dma_addr_out)
2335 pci_unmap_single(ioc->pcidev, dma_addr_out, blk_rq_bytes(req),
2336 PCI_DMA_BIDIRECTIONAL);
2337 if (dma_addr_in)
2338 pci_unmap_single(ioc->pcidev, dma_addr_in, blk_rq_bytes(rsp),
2339 PCI_DMA_BIDIRECTIONAL);
2340put_mf:
2341 if (mf)
2342 mpt_free_msg_frame(ioc, mf);
2343out_unlock:
2344 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status)
2345 mutex_unlock(&ioc->sas_mgmt.mutex);
2346out:
2347 return ret;
2348}
2349
2350static struct sas_function_template mptsas_transport_functions = {
2351 .get_linkerrors = mptsas_get_linkerrors,
2352 .get_enclosure_identifier = mptsas_get_enclosure_identifier,
2353 .get_bay_identifier = mptsas_get_bay_identifier,
2354 .phy_reset = mptsas_phy_reset,
2355 .smp_handler = mptsas_smp_handler,
2356};
2357
2358static struct scsi_transport_template *mptsas_transport_template;
2359
2360static int
2361mptsas_sas_io_unit_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
2362{
2363 ConfigExtendedPageHeader_t hdr;
2364 CONFIGPARMS cfg;
2365 SasIOUnitPage0_t *buffer;
2366 dma_addr_t dma_handle;
2367 int error, i;
2368
2369 hdr.PageVersion = MPI_SASIOUNITPAGE0_PAGEVERSION;
2370 hdr.ExtPageLength = 0;
2371 hdr.PageNumber = 0;
2372 hdr.Reserved1 = 0;
2373 hdr.Reserved2 = 0;
2374 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2375 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
2376
2377 cfg.cfghdr.ehdr = &hdr;
2378 cfg.physAddr = -1;
2379 cfg.pageAddr = 0;
2380 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2381 cfg.dir = 0; /* read */
2382 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2383
2384 error = mpt_config(ioc, &cfg);
2385 if (error)
2386 goto out;
2387 if (!hdr.ExtPageLength) {
2388 error = -ENXIO;
2389 goto out;
2390 }
2391
2392 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2393 &dma_handle);
2394 if (!buffer) {
2395 error = -ENOMEM;
2396 goto out;
2397 }
2398
2399 cfg.physAddr = dma_handle;
2400 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2401
2402 error = mpt_config(ioc, &cfg);
2403 if (error)
2404 goto out_free_consistent;
2405
2406 port_info->num_phys = buffer->NumPhys;
2407 port_info->phy_info = kcalloc(port_info->num_phys,
2408 sizeof(struct mptsas_phyinfo), GFP_KERNEL);
2409 if (!port_info->phy_info) {
2410 error = -ENOMEM;
2411 goto out_free_consistent;
2412 }
2413
2414 ioc->nvdata_version_persistent =
2415 le16_to_cpu(buffer->NvdataVersionPersistent);
2416 ioc->nvdata_version_default =
2417 le16_to_cpu(buffer->NvdataVersionDefault);
2418
2419 for (i = 0; i < port_info->num_phys; i++) {
2420 mptsas_print_phy_data(ioc, &buffer->PhyData[i]);
2421 port_info->phy_info[i].phy_id = i;
2422 port_info->phy_info[i].port_id =
2423 buffer->PhyData[i].Port;
2424 port_info->phy_info[i].negotiated_link_rate =
2425 buffer->PhyData[i].NegotiatedLinkRate;
2426 port_info->phy_info[i].portinfo = port_info;
2427 port_info->phy_info[i].handle =
2428 le16_to_cpu(buffer->PhyData[i].ControllerDevHandle);
2429 }
2430
2431 out_free_consistent:
2432 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2433 buffer, dma_handle);
2434 out:
2435 return error;
2436}
2437
2438static int
2439mptsas_sas_io_unit_pg1(MPT_ADAPTER *ioc)
2440{
2441 ConfigExtendedPageHeader_t hdr;
2442 CONFIGPARMS cfg;
2443 SasIOUnitPage1_t *buffer;
2444 dma_addr_t dma_handle;
2445 int error;
2446 u8 device_missing_delay;
2447
2448 memset(&hdr, 0, sizeof(ConfigExtendedPageHeader_t));
2449 memset(&cfg, 0, sizeof(CONFIGPARMS));
2450
2451 cfg.cfghdr.ehdr = &hdr;
2452 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2453 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2454 cfg.cfghdr.ehdr->PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2455 cfg.cfghdr.ehdr->ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
2456 cfg.cfghdr.ehdr->PageVersion = MPI_SASIOUNITPAGE1_PAGEVERSION;
2457 cfg.cfghdr.ehdr->PageNumber = 1;
2458
2459 error = mpt_config(ioc, &cfg);
2460 if (error)
2461 goto out;
2462 if (!hdr.ExtPageLength) {
2463 error = -ENXIO;
2464 goto out;
2465 }
2466
2467 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2468 &dma_handle);
2469 if (!buffer) {
2470 error = -ENOMEM;
2471 goto out;
2472 }
2473
2474 cfg.physAddr = dma_handle;
2475 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2476
2477 error = mpt_config(ioc, &cfg);
2478 if (error)
2479 goto out_free_consistent;
2480
2481 ioc->io_missing_delay =
2482 le16_to_cpu(buffer->IODeviceMissingDelay);
2483 device_missing_delay = buffer->ReportDeviceMissingDelay;
2484 ioc->device_missing_delay = (device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_UNIT_16) ?
2485 (device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16 :
2486 device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
2487
2488 out_free_consistent:
2489 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2490 buffer, dma_handle);
2491 out:
2492 return error;
2493}
2494
2495static int
2496mptsas_sas_phy_pg0(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
2497 u32 form, u32 form_specific)
2498{
2499 ConfigExtendedPageHeader_t hdr;
2500 CONFIGPARMS cfg;
2501 SasPhyPage0_t *buffer;
2502 dma_addr_t dma_handle;
2503 int error;
2504
2505 hdr.PageVersion = MPI_SASPHY0_PAGEVERSION;
2506 hdr.ExtPageLength = 0;
2507 hdr.PageNumber = 0;
2508 hdr.Reserved1 = 0;
2509 hdr.Reserved2 = 0;
2510 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2511 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY;
2512
2513 cfg.cfghdr.ehdr = &hdr;
2514 cfg.dir = 0; /* read */
2515 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2516
2517 /* Get Phy Pg 0 for each Phy. */
2518 cfg.physAddr = -1;
2519 cfg.pageAddr = form + form_specific;
2520 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2521
2522 error = mpt_config(ioc, &cfg);
2523 if (error)
2524 goto out;
2525
2526 if (!hdr.ExtPageLength) {
2527 error = -ENXIO;
2528 goto out;
2529 }
2530
2531 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2532 &dma_handle);
2533 if (!buffer) {
2534 error = -ENOMEM;
2535 goto out;
2536 }
2537
2538 cfg.physAddr = dma_handle;
2539 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2540
2541 error = mpt_config(ioc, &cfg);
2542 if (error)
2543 goto out_free_consistent;
2544
2545 mptsas_print_phy_pg0(ioc, buffer);
2546
2547 phy_info->hw_link_rate = buffer->HwLinkRate;
2548 phy_info->programmed_link_rate = buffer->ProgrammedLinkRate;
2549 phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle);
2550 phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle);
2551
2552 out_free_consistent:
2553 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2554 buffer, dma_handle);
2555 out:
2556 return error;
2557}
2558
2559static int
2560mptsas_sas_device_pg0(MPT_ADAPTER *ioc, struct mptsas_devinfo *device_info,
2561 u32 form, u32 form_specific)
2562{
2563 ConfigExtendedPageHeader_t hdr;
2564 CONFIGPARMS cfg;
2565 SasDevicePage0_t *buffer;
2566 dma_addr_t dma_handle;
2567 __le64 sas_address;
2568 int error=0;
2569
2570 hdr.PageVersion = MPI_SASDEVICE0_PAGEVERSION;
2571 hdr.ExtPageLength = 0;
2572 hdr.PageNumber = 0;
2573 hdr.Reserved1 = 0;
2574 hdr.Reserved2 = 0;
2575 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2576 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE;
2577
2578 cfg.cfghdr.ehdr = &hdr;
2579 cfg.pageAddr = form + form_specific;
2580 cfg.physAddr = -1;
2581 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2582 cfg.dir = 0; /* read */
2583 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2584
2585 memset(device_info, 0, sizeof(struct mptsas_devinfo));
2586 error = mpt_config(ioc, &cfg);
2587 if (error)
2588 goto out;
2589 if (!hdr.ExtPageLength) {
2590 error = -ENXIO;
2591 goto out;
2592 }
2593
2594 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2595 &dma_handle);
2596 if (!buffer) {
2597 error = -ENOMEM;
2598 goto out;
2599 }
2600
2601 cfg.physAddr = dma_handle;
2602 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2603
2604 error = mpt_config(ioc, &cfg);
2605
2606 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
2607 error = -ENODEV;
2608 goto out_free_consistent;
2609 }
2610
2611 if (error)
2612 goto out_free_consistent;
2613
2614 mptsas_print_device_pg0(ioc, buffer);
2615
2616 memset(device_info, 0, sizeof(struct mptsas_devinfo));
2617 device_info->handle = le16_to_cpu(buffer->DevHandle);
2618 device_info->handle_parent = le16_to_cpu(buffer->ParentDevHandle);
2619 device_info->handle_enclosure =
2620 le16_to_cpu(buffer->EnclosureHandle);
2621 device_info->slot = le16_to_cpu(buffer->Slot);
2622 device_info->phy_id = buffer->PhyNum;
2623 device_info->port_id = buffer->PhysicalPort;
2624 device_info->id = buffer->TargetID;
2625 device_info->phys_disk_num = ~0;
2626 device_info->channel = buffer->Bus;
2627 memcpy(&sas_address, &buffer->SASAddress, sizeof(__le64));
2628 device_info->sas_address = le64_to_cpu(sas_address);
2629 device_info->device_info =
2630 le32_to_cpu(buffer->DeviceInfo);
2631 device_info->flags = le16_to_cpu(buffer->Flags);
2632
2633 out_free_consistent:
2634 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2635 buffer, dma_handle);
2636 out:
2637 return error;
2638}
2639
2640static int
2641mptsas_sas_expander_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info,
2642 u32 form, u32 form_specific)
2643{
2644 ConfigExtendedPageHeader_t hdr;
2645 CONFIGPARMS cfg;
2646 SasExpanderPage0_t *buffer;
2647 dma_addr_t dma_handle;
2648 int i, error;
2649 __le64 sas_address;
2650
2651 memset(port_info, 0, sizeof(struct mptsas_portinfo));
2652 hdr.PageVersion = MPI_SASEXPANDER0_PAGEVERSION;
2653 hdr.ExtPageLength = 0;
2654 hdr.PageNumber = 0;
2655 hdr.Reserved1 = 0;
2656 hdr.Reserved2 = 0;
2657 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2658 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
2659
2660 cfg.cfghdr.ehdr = &hdr;
2661 cfg.physAddr = -1;
2662 cfg.pageAddr = form + form_specific;
2663 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2664 cfg.dir = 0; /* read */
2665 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2666
2667 memset(port_info, 0, sizeof(struct mptsas_portinfo));
2668 error = mpt_config(ioc, &cfg);
2669 if (error)
2670 goto out;
2671
2672 if (!hdr.ExtPageLength) {
2673 error = -ENXIO;
2674 goto out;
2675 }
2676
2677 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2678 &dma_handle);
2679 if (!buffer) {
2680 error = -ENOMEM;
2681 goto out;
2682 }
2683
2684 cfg.physAddr = dma_handle;
2685 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2686
2687 error = mpt_config(ioc, &cfg);
2688 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
2689 error = -ENODEV;
2690 goto out_free_consistent;
2691 }
2692
2693 if (error)
2694 goto out_free_consistent;
2695
2696 /* save config data */
2697 port_info->num_phys = (buffer->NumPhys) ? buffer->NumPhys : 1;
2698 port_info->phy_info = kcalloc(port_info->num_phys,
2699 sizeof(struct mptsas_phyinfo), GFP_KERNEL);
2700 if (!port_info->phy_info) {
2701 error = -ENOMEM;
2702 goto out_free_consistent;
2703 }
2704
2705 memcpy(&sas_address, &buffer->SASAddress, sizeof(__le64));
2706 for (i = 0; i < port_info->num_phys; i++) {
2707 port_info->phy_info[i].portinfo = port_info;
2708 port_info->phy_info[i].handle =
2709 le16_to_cpu(buffer->DevHandle);
2710 port_info->phy_info[i].identify.sas_address =
2711 le64_to_cpu(sas_address);
2712 port_info->phy_info[i].identify.handle_parent =
2713 le16_to_cpu(buffer->ParentDevHandle);
2714 }
2715
2716 out_free_consistent:
2717 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2718 buffer, dma_handle);
2719 out:
2720 return error;
2721}
2722
2723static int
2724mptsas_sas_expander_pg1(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
2725 u32 form, u32 form_specific)
2726{
2727 ConfigExtendedPageHeader_t hdr;
2728 CONFIGPARMS cfg;
2729 SasExpanderPage1_t *buffer;
2730 dma_addr_t dma_handle;
2731 int error=0;
2732
2733 hdr.PageVersion = MPI_SASEXPANDER1_PAGEVERSION;
2734 hdr.ExtPageLength = 0;
2735 hdr.PageNumber = 1;
2736 hdr.Reserved1 = 0;
2737 hdr.Reserved2 = 0;
2738 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2739 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
2740
2741 cfg.cfghdr.ehdr = &hdr;
2742 cfg.physAddr = -1;
2743 cfg.pageAddr = form + form_specific;
2744 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2745 cfg.dir = 0; /* read */
2746 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2747
2748 error = mpt_config(ioc, &cfg);
2749 if (error)
2750 goto out;
2751
2752 if (!hdr.ExtPageLength) {
2753 error = -ENXIO;
2754 goto out;
2755 }
2756
2757 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2758 &dma_handle);
2759 if (!buffer) {
2760 error = -ENOMEM;
2761 goto out;
2762 }
2763
2764 cfg.physAddr = dma_handle;
2765 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2766
2767 error = mpt_config(ioc, &cfg);
2768
2769 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
2770 error = -ENODEV;
2771 goto out_free_consistent;
2772 }
2773
2774 if (error)
2775 goto out_free_consistent;
2776
2777
2778 mptsas_print_expander_pg1(ioc, buffer);
2779
2780 /* save config data */
2781 phy_info->phy_id = buffer->PhyIdentifier;
2782 phy_info->port_id = buffer->PhysicalPort;
2783 phy_info->negotiated_link_rate = buffer->NegotiatedLinkRate;
2784 phy_info->programmed_link_rate = buffer->ProgrammedLinkRate;
2785 phy_info->hw_link_rate = buffer->HwLinkRate;
2786 phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle);
2787 phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle);
2788
2789 out_free_consistent:
2790 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2791 buffer, dma_handle);
2792 out:
2793 return error;
2794}
2795
2796struct rep_manu_request{
2797 u8 smp_frame_type;
2798 u8 function;
2799 u8 reserved;
2800 u8 request_length;
2801};
2802
2803struct rep_manu_reply{
2804 u8 smp_frame_type; /* 0x41 */
2805 u8 function; /* 0x01 */
2806 u8 function_result;
2807 u8 response_length;
2808 u16 expander_change_count;
2809 u8 reserved0[2];
2810 u8 sas_format:1;
2811 u8 reserved1:7;
2812 u8 reserved2[3];
2813 u8 vendor_id[SAS_EXPANDER_VENDOR_ID_LEN];
2814 u8 product_id[SAS_EXPANDER_PRODUCT_ID_LEN];
2815 u8 product_rev[SAS_EXPANDER_PRODUCT_REV_LEN];
2816 u8 component_vendor_id[SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN];
2817 u16 component_id;
2818 u8 component_revision_id;
2819 u8 reserved3;
2820 u8 vendor_specific[8];
2821};
2822
2823/**
2824 * mptsas_exp_repmanufacture_info -
2825 * @ioc: per adapter object
2826 * @sas_address: expander sas address
2827 * @edev: the sas_expander_device object
2828 *
2829 * Fills in the sas_expander_device object when SMP port is created.
2830 *
2831 * Returns 0 for success, non-zero for failure.
2832 */
2833static int
2834mptsas_exp_repmanufacture_info(MPT_ADAPTER *ioc,
2835 u64 sas_address, struct sas_expander_device *edev)
2836{
2837 MPT_FRAME_HDR *mf;
2838 SmpPassthroughRequest_t *smpreq;
2839 SmpPassthroughReply_t *smprep;
2840 struct rep_manu_reply *manufacture_reply;
2841 struct rep_manu_request *manufacture_request;
2842 int ret;
2843 int flagsLength;
2844 unsigned long timeleft;
2845 char *psge;
2846 unsigned long flags;
2847 void *data_out = NULL;
2848 dma_addr_t data_out_dma = 0;
2849 u32 sz;
2850
2851 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2852 if (ioc->ioc_reset_in_progress) {
2853 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2854 printk(MYIOC_s_INFO_FMT "%s: host reset in progress!\n",
2855 __func__, ioc->name);
2856 return -EFAULT;
2857 }
2858 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2859
2860 ret = mutex_lock_interruptible(&ioc->sas_mgmt.mutex);
2861 if (ret)
2862 goto out;
2863
2864 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
2865 if (!mf) {
2866 ret = -ENOMEM;
2867 goto out_unlock;
2868 }
2869
2870 smpreq = (SmpPassthroughRequest_t *)mf;
2871 memset(smpreq, 0, sizeof(*smpreq));
2872
2873 sz = sizeof(struct rep_manu_request) + sizeof(struct rep_manu_reply);
2874
2875 data_out = pci_alloc_consistent(ioc->pcidev, sz, &data_out_dma);
2876 if (!data_out) {
2877 printk(KERN_ERR "Memory allocation failure at %s:%d/%s()!\n",
2878 __FILE__, __LINE__, __func__);
2879 ret = -ENOMEM;
2880 goto put_mf;
2881 }
2882
2883 manufacture_request = data_out;
2884 manufacture_request->smp_frame_type = 0x40;
2885 manufacture_request->function = 1;
2886 manufacture_request->reserved = 0;
2887 manufacture_request->request_length = 0;
2888
2889 smpreq->Function = MPI_FUNCTION_SMP_PASSTHROUGH;
2890 smpreq->PhysicalPort = 0xFF;
2891 *((u64 *)&smpreq->SASAddress) = cpu_to_le64(sas_address);
2892 smpreq->RequestDataLength = sizeof(struct rep_manu_request);
2893
2894 psge = (char *)
2895 (((int *) mf) + (offsetof(SmpPassthroughRequest_t, SGL) / 4));
2896
2897 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2898 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
2899 MPI_SGE_FLAGS_HOST_TO_IOC |
2900 MPI_SGE_FLAGS_END_OF_BUFFER;
2901 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT;
2902 flagsLength |= sizeof(struct rep_manu_request);
2903
2904 ioc->add_sge(psge, flagsLength, data_out_dma);
2905 psge += ioc->SGE_size;
2906
2907 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2908 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
2909 MPI_SGE_FLAGS_IOC_TO_HOST |
2910 MPI_SGE_FLAGS_END_OF_BUFFER;
2911 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT;
2912 flagsLength |= sizeof(struct rep_manu_reply);
2913 ioc->add_sge(psge, flagsLength, data_out_dma +
2914 sizeof(struct rep_manu_request));
2915
2916 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status)
2917 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
2918
2919 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done, 10 * HZ);
2920 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2921 ret = -ETIME;
2922 mpt_free_msg_frame(ioc, mf);
2923 mf = NULL;
2924 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
2925 goto out_free;
2926 if (!timeleft)
2927 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2928 goto out_free;
2929 }
2930
2931 mf = NULL;
2932
2933 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_RF_VALID) {
2934 u8 *tmp;
2935
2936 smprep = (SmpPassthroughReply_t *)ioc->sas_mgmt.reply;
2937 if (le16_to_cpu(smprep->ResponseDataLength) !=
2938 sizeof(struct rep_manu_reply))
2939 goto out_free;
2940
2941 manufacture_reply = data_out + sizeof(struct rep_manu_request);
2942 strncpy(edev->vendor_id, manufacture_reply->vendor_id,
2943 SAS_EXPANDER_VENDOR_ID_LEN);
2944 strncpy(edev->product_id, manufacture_reply->product_id,
2945 SAS_EXPANDER_PRODUCT_ID_LEN);
2946 strncpy(edev->product_rev, manufacture_reply->product_rev,
2947 SAS_EXPANDER_PRODUCT_REV_LEN);
2948 edev->level = manufacture_reply->sas_format;
2949 if (manufacture_reply->sas_format) {
2950 strncpy(edev->component_vendor_id,
2951 manufacture_reply->component_vendor_id,
2952 SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN);
2953 tmp = (u8 *)&manufacture_reply->component_id;
2954 edev->component_id = tmp[0] << 8 | tmp[1];
2955 edev->component_revision_id =
2956 manufacture_reply->component_revision_id;
2957 }
2958 } else {
2959 printk(MYIOC_s_ERR_FMT
2960 "%s: smp passthru reply failed to be returned\n",
2961 ioc->name, __func__);
2962 ret = -ENXIO;
2963 }
2964out_free:
2965 if (data_out_dma)
2966 pci_free_consistent(ioc->pcidev, sz, data_out, data_out_dma);
2967put_mf:
2968 if (mf)
2969 mpt_free_msg_frame(ioc, mf);
2970out_unlock:
2971 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status)
2972 mutex_unlock(&ioc->sas_mgmt.mutex);
2973out:
2974 return ret;
2975 }
2976
2977static void
2978mptsas_parse_device_info(struct sas_identify *identify,
2979 struct mptsas_devinfo *device_info)
2980{
2981 u16 protocols;
2982
2983 identify->sas_address = device_info->sas_address;
2984 identify->phy_identifier = device_info->phy_id;
2985
2986 /*
2987 * Fill in Phy Initiator Port Protocol.
2988 * Bits 6:3, more than one bit can be set, fall through cases.
2989 */
2990 protocols = device_info->device_info & 0x78;
2991 identify->initiator_port_protocols = 0;
2992 if (protocols & MPI_SAS_DEVICE_INFO_SSP_INITIATOR)
2993 identify->initiator_port_protocols |= SAS_PROTOCOL_SSP;
2994 if (protocols & MPI_SAS_DEVICE_INFO_STP_INITIATOR)
2995 identify->initiator_port_protocols |= SAS_PROTOCOL_STP;
2996 if (protocols & MPI_SAS_DEVICE_INFO_SMP_INITIATOR)
2997 identify->initiator_port_protocols |= SAS_PROTOCOL_SMP;
2998 if (protocols & MPI_SAS_DEVICE_INFO_SATA_HOST)
2999 identify->initiator_port_protocols |= SAS_PROTOCOL_SATA;
3000
3001 /*
3002 * Fill in Phy Target Port Protocol.
3003 * Bits 10:7, more than one bit can be set, fall through cases.
3004 */
3005 protocols = device_info->device_info & 0x780;
3006 identify->target_port_protocols = 0;
3007 if (protocols & MPI_SAS_DEVICE_INFO_SSP_TARGET)
3008 identify->target_port_protocols |= SAS_PROTOCOL_SSP;
3009 if (protocols & MPI_SAS_DEVICE_INFO_STP_TARGET)
3010 identify->target_port_protocols |= SAS_PROTOCOL_STP;
3011 if (protocols & MPI_SAS_DEVICE_INFO_SMP_TARGET)
3012 identify->target_port_protocols |= SAS_PROTOCOL_SMP;
3013 if (protocols & MPI_SAS_DEVICE_INFO_SATA_DEVICE)
3014 identify->target_port_protocols |= SAS_PROTOCOL_SATA;
3015
3016 /*
3017 * Fill in Attached device type.
3018 */
3019 switch (device_info->device_info &
3020 MPI_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) {
3021 case MPI_SAS_DEVICE_INFO_NO_DEVICE:
3022 identify->device_type = SAS_PHY_UNUSED;
3023 break;
3024 case MPI_SAS_DEVICE_INFO_END_DEVICE:
3025 identify->device_type = SAS_END_DEVICE;
3026 break;
3027 case MPI_SAS_DEVICE_INFO_EDGE_EXPANDER:
3028 identify->device_type = SAS_EDGE_EXPANDER_DEVICE;
3029 break;
3030 case MPI_SAS_DEVICE_INFO_FANOUT_EXPANDER:
3031 identify->device_type = SAS_FANOUT_EXPANDER_DEVICE;
3032 break;
3033 }
3034}
3035
3036static int mptsas_probe_one_phy(struct device *dev,
3037 struct mptsas_phyinfo *phy_info, int index, int local)
3038{
3039 MPT_ADAPTER *ioc;
3040 struct sas_phy *phy;
3041 struct sas_port *port;
3042 int error = 0;
3043 VirtTarget *vtarget;
3044
3045 if (!dev) {
3046 error = -ENODEV;
3047 goto out;
3048 }
3049
3050 if (!phy_info->phy) {
3051 phy = sas_phy_alloc(dev, index);
3052 if (!phy) {
3053 error = -ENOMEM;
3054 goto out;
3055 }
3056 } else
3057 phy = phy_info->phy;
3058
3059 mptsas_parse_device_info(&phy->identify, &phy_info->identify);
3060
3061 /*
3062 * Set Negotiated link rate.
3063 */
3064 switch (phy_info->negotiated_link_rate) {
3065 case MPI_SAS_IOUNIT0_RATE_PHY_DISABLED:
3066 phy->negotiated_linkrate = SAS_PHY_DISABLED;
3067 break;
3068 case MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION:
3069 phy->negotiated_linkrate = SAS_LINK_RATE_FAILED;
3070 break;
3071 case MPI_SAS_IOUNIT0_RATE_1_5:
3072 phy->negotiated_linkrate = SAS_LINK_RATE_1_5_GBPS;
3073 break;
3074 case MPI_SAS_IOUNIT0_RATE_3_0:
3075 phy->negotiated_linkrate = SAS_LINK_RATE_3_0_GBPS;
3076 break;
3077 case MPI_SAS_IOUNIT0_RATE_6_0:
3078 phy->negotiated_linkrate = SAS_LINK_RATE_6_0_GBPS;
3079 break;
3080 case MPI_SAS_IOUNIT0_RATE_SATA_OOB_COMPLETE:
3081 case MPI_SAS_IOUNIT0_RATE_UNKNOWN:
3082 default:
3083 phy->negotiated_linkrate = SAS_LINK_RATE_UNKNOWN;
3084 break;
3085 }
3086
3087 /*
3088 * Set Max hardware link rate.
3089 */
3090 switch (phy_info->hw_link_rate & MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) {
3091 case MPI_SAS_PHY0_HWRATE_MAX_RATE_1_5:
3092 phy->maximum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3093 break;
3094 case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0:
3095 phy->maximum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS;
3096 break;
3097 default:
3098 break;
3099 }
3100
3101 /*
3102 * Set Max programmed link rate.
3103 */
3104 switch (phy_info->programmed_link_rate &
3105 MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) {
3106 case MPI_SAS_PHY0_PRATE_MAX_RATE_1_5:
3107 phy->maximum_linkrate = SAS_LINK_RATE_1_5_GBPS;
3108 break;
3109 case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0:
3110 phy->maximum_linkrate = SAS_LINK_RATE_3_0_GBPS;
3111 break;
3112 default:
3113 break;
3114 }
3115
3116 /*
3117 * Set Min hardware link rate.
3118 */
3119 switch (phy_info->hw_link_rate & MPI_SAS_PHY0_HWRATE_MIN_RATE_MASK) {
3120 case MPI_SAS_PHY0_HWRATE_MIN_RATE_1_5:
3121 phy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3122 break;
3123 case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0:
3124 phy->minimum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS;
3125 break;
3126 default:
3127 break;
3128 }
3129
3130 /*
3131 * Set Min programmed link rate.
3132 */
3133 switch (phy_info->programmed_link_rate &
3134 MPI_SAS_PHY0_PRATE_MIN_RATE_MASK) {
3135 case MPI_SAS_PHY0_PRATE_MIN_RATE_1_5:
3136 phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
3137 break;
3138 case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0:
3139 phy->minimum_linkrate = SAS_LINK_RATE_3_0_GBPS;
3140 break;
3141 default:
3142 break;
3143 }
3144
3145 if (!phy_info->phy) {
3146
3147 error = sas_phy_add(phy);
3148 if (error) {
3149 sas_phy_free(phy);
3150 goto out;
3151 }
3152 phy_info->phy = phy;
3153 }
3154
3155 if (!phy_info->attached.handle ||
3156 !phy_info->port_details)
3157 goto out;
3158
3159 port = mptsas_get_port(phy_info);
3160 ioc = phy_to_ioc(phy_info->phy);
3161
3162 if (phy_info->sas_port_add_phy) {
3163
3164 if (!port) {
3165 port = sas_port_alloc_num(dev);
3166 if (!port) {
3167 error = -ENOMEM;
3168 goto out;
3169 }
3170 error = sas_port_add(port);
3171 if (error) {
3172 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3173 "%s: exit at line=%d\n", ioc->name,
3174 __func__, __LINE__));
3175 goto out;
3176 }
3177 mptsas_set_port(ioc, phy_info, port);
3178 devtprintk(ioc, dev_printk(KERN_DEBUG, &port->dev,
3179 MYIOC_s_FMT "add port %d, sas_addr (0x%llx)\n",
3180 ioc->name, port->port_identifier,
3181 (unsigned long long)phy_info->
3182 attached.sas_address));
3183 }
3184 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3185 "sas_port_add_phy: phy_id=%d\n",
3186 ioc->name, phy_info->phy_id));
3187 sas_port_add_phy(port, phy_info->phy);
3188 phy_info->sas_port_add_phy = 0;
3189 devtprintk(ioc, dev_printk(KERN_DEBUG, &phy_info->phy->dev,
3190 MYIOC_s_FMT "add phy %d, phy-obj (0x%p)\n", ioc->name,
3191 phy_info->phy_id, phy_info->phy));
3192 }
3193 if (!mptsas_get_rphy(phy_info) && port && !port->rphy) {
3194
3195 struct sas_rphy *rphy;
3196 struct device *parent;
3197 struct sas_identify identify;
3198
3199 parent = dev->parent->parent;
3200 /*
3201 * Let the hotplug_work thread handle processing
3202 * the adding/removing of devices that occur
3203 * after start of day.
3204 */
3205 if (mptsas_is_end_device(&phy_info->attached) &&
3206 phy_info->attached.handle_parent) {
3207 goto out;
3208 }
3209
3210 mptsas_parse_device_info(&identify, &phy_info->attached);
3211 if (scsi_is_host_device(parent)) {
3212 struct mptsas_portinfo *port_info;
3213 int i;
3214
3215 port_info = ioc->hba_port_info;
3216
3217 for (i = 0; i < port_info->num_phys; i++)
3218 if (port_info->phy_info[i].identify.sas_address ==
3219 identify.sas_address) {
3220 sas_port_mark_backlink(port);
3221 goto out;
3222 }
3223
3224 } else if (scsi_is_sas_rphy(parent)) {
3225 struct sas_rphy *parent_rphy = dev_to_rphy(parent);
3226 if (identify.sas_address ==
3227 parent_rphy->identify.sas_address) {
3228 sas_port_mark_backlink(port);
3229 goto out;
3230 }
3231 }
3232
3233 switch (identify.device_type) {
3234 case SAS_END_DEVICE:
3235 rphy = sas_end_device_alloc(port);
3236 break;
3237 case SAS_EDGE_EXPANDER_DEVICE:
3238 case SAS_FANOUT_EXPANDER_DEVICE:
3239 rphy = sas_expander_alloc(port, identify.device_type);
3240 break;
3241 default:
3242 rphy = NULL;
3243 break;
3244 }
3245 if (!rphy) {
3246 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3247 "%s: exit at line=%d\n", ioc->name,
3248 __func__, __LINE__));
3249 goto out;
3250 }
3251
3252 rphy->identify = identify;
3253 error = sas_rphy_add(rphy);
3254 if (error) {
3255 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3256 "%s: exit at line=%d\n", ioc->name,
3257 __func__, __LINE__));
3258 sas_rphy_free(rphy);
3259 goto out;
3260 }
3261 mptsas_set_rphy(ioc, phy_info, rphy);
3262 if (identify.device_type == SAS_EDGE_EXPANDER_DEVICE ||
3263 identify.device_type == SAS_FANOUT_EXPANDER_DEVICE)
3264 mptsas_exp_repmanufacture_info(ioc,
3265 identify.sas_address,
3266 rphy_to_expander_device(rphy));
3267 }
3268
3269 /* If the device exists,verify it wasn't previously flagged
3270 as a missing device. If so, clear it */
3271 vtarget = mptsas_find_vtarget(ioc,
3272 phy_info->attached.channel,
3273 phy_info->attached.id);
3274 if (vtarget && vtarget->inDMD) {
3275 printk(KERN_INFO "Device returned, unsetting inDMD\n");
3276 vtarget->inDMD = 0;
3277 }
3278
3279 out:
3280 return error;
3281}
3282
3283static int
3284mptsas_probe_hba_phys(MPT_ADAPTER *ioc)
3285{
3286 struct mptsas_portinfo *port_info, *hba;
3287 int error = -ENOMEM, i;
3288
3289 hba = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
3290 if (! hba)
3291 goto out;
3292
3293 error = mptsas_sas_io_unit_pg0(ioc, hba);
3294 if (error)
3295 goto out_free_port_info;
3296
3297 mptsas_sas_io_unit_pg1(ioc);
3298 mutex_lock(&ioc->sas_topology_mutex);
3299 port_info = ioc->hba_port_info;
3300 if (!port_info) {
3301 ioc->hba_port_info = port_info = hba;
3302 ioc->hba_port_num_phy = port_info->num_phys;
3303 list_add_tail(&port_info->list, &ioc->sas_topology);
3304 } else {
3305 for (i = 0; i < hba->num_phys; i++) {
3306 port_info->phy_info[i].negotiated_link_rate =
3307 hba->phy_info[i].negotiated_link_rate;
3308 port_info->phy_info[i].handle =
3309 hba->phy_info[i].handle;
3310 port_info->phy_info[i].port_id =
3311 hba->phy_info[i].port_id;
3312 }
3313 kfree(hba->phy_info);
3314 kfree(hba);
3315 hba = NULL;
3316 }
3317 mutex_unlock(&ioc->sas_topology_mutex);
3318#if defined(CPQ_CIM)
3319 ioc->num_ports = port_info->num_phys;
3320#endif
3321 for (i = 0; i < port_info->num_phys; i++) {
3322 mptsas_sas_phy_pg0(ioc, &port_info->phy_info[i],
3323 (MPI_SAS_PHY_PGAD_FORM_PHY_NUMBER <<
3324 MPI_SAS_PHY_PGAD_FORM_SHIFT), i);
3325 port_info->phy_info[i].identify.handle =
3326 port_info->phy_info[i].handle;
3327 mptsas_sas_device_pg0(ioc, &port_info->phy_info[i].identify,
3328 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3329 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3330 port_info->phy_info[i].identify.handle);
3331 if (!ioc->hba_port_sas_addr)
3332 ioc->hba_port_sas_addr =
3333 port_info->phy_info[i].identify.sas_address;
3334 port_info->phy_info[i].identify.phy_id =
3335 port_info->phy_info[i].phy_id = i;
3336 if (port_info->phy_info[i].attached.handle)
3337 mptsas_sas_device_pg0(ioc,
3338 &port_info->phy_info[i].attached,
3339 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3340 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3341 port_info->phy_info[i].attached.handle);
3342 }
3343
3344 mptsas_setup_wide_ports(ioc, port_info);
3345
3346 for (i = 0; i < port_info->num_phys; i++, ioc->sas_index++)
3347 mptsas_probe_one_phy(&ioc->sh->shost_gendev,
3348 &port_info->phy_info[i], ioc->sas_index, 1);
3349
3350 return 0;
3351
3352 out_free_port_info:
3353 kfree(hba);
3354 out:
3355 return error;
3356}
3357
3358static void
3359mptsas_expander_refresh(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
3360{
3361 struct mptsas_portinfo *parent;
3362 struct device *parent_dev;
3363 struct sas_rphy *rphy;
3364 int i;
3365 u64 sas_address; /* expander sas address */
3366 u32 handle;
3367
3368 handle = port_info->phy_info[0].handle;
3369 sas_address = port_info->phy_info[0].identify.sas_address;
3370 for (i = 0; i < port_info->num_phys; i++) {
3371 mptsas_sas_expander_pg1(ioc, &port_info->phy_info[i],
3372 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE_PHY_NUM <<
3373 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), (i << 16) + handle);
3374
3375 mptsas_sas_device_pg0(ioc,
3376 &port_info->phy_info[i].identify,
3377 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3378 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3379 port_info->phy_info[i].identify.handle);
3380 port_info->phy_info[i].identify.phy_id =
3381 port_info->phy_info[i].phy_id;
3382
3383 if (port_info->phy_info[i].attached.handle) {
3384 mptsas_sas_device_pg0(ioc,
3385 &port_info->phy_info[i].attached,
3386 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3387 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3388 port_info->phy_info[i].attached.handle);
3389 port_info->phy_info[i].attached.phy_id =
3390 port_info->phy_info[i].phy_id;
3391 }
3392 }
3393
3394 mutex_lock(&ioc->sas_topology_mutex);
3395 parent = mptsas_find_portinfo_by_handle(ioc,
3396 port_info->phy_info[0].identify.handle_parent);
3397 if (!parent) {
3398 mutex_unlock(&ioc->sas_topology_mutex);
3399 return;
3400 }
3401 for (i = 0, parent_dev = NULL; i < parent->num_phys && !parent_dev;
3402 i++) {
3403 if (parent->phy_info[i].attached.sas_address == sas_address) {
3404 rphy = mptsas_get_rphy(&parent->phy_info[i]);
3405 parent_dev = &rphy->dev;
3406 }
3407 }
3408 mutex_unlock(&ioc->sas_topology_mutex);
3409
3410 mptsas_setup_wide_ports(ioc, port_info);
3411 for (i = 0; i < port_info->num_phys; i++, ioc->sas_index++)
3412 mptsas_probe_one_phy(parent_dev, &port_info->phy_info[i],
3413 ioc->sas_index, 0);
3414}
3415
3416static void
3417mptsas_expander_event_add(MPT_ADAPTER *ioc,
3418 MpiEventDataSasExpanderStatusChange_t *expander_data)
3419{
3420 struct mptsas_portinfo *port_info;
3421 int i;
3422 __le64 sas_address;
3423
3424 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
3425 if (!port_info)
3426 BUG();
3427 port_info->num_phys = (expander_data->NumPhys) ?
3428 expander_data->NumPhys : 1;
3429 port_info->phy_info = kcalloc(port_info->num_phys,
3430 sizeof(struct mptsas_phyinfo), GFP_KERNEL);
3431 if (!port_info->phy_info)
3432 BUG();
3433 memcpy(&sas_address, &expander_data->SASAddress, sizeof(__le64));
3434 for (i = 0; i < port_info->num_phys; i++) {
3435 port_info->phy_info[i].portinfo = port_info;
3436 port_info->phy_info[i].handle =
3437 le16_to_cpu(expander_data->DevHandle);
3438 port_info->phy_info[i].identify.sas_address =
3439 le64_to_cpu(sas_address);
3440 port_info->phy_info[i].identify.handle_parent =
3441 le16_to_cpu(expander_data->ParentDevHandle);
3442 }
3443
3444 mutex_lock(&ioc->sas_topology_mutex);
3445 list_add_tail(&port_info->list, &ioc->sas_topology);
3446 mutex_unlock(&ioc->sas_topology_mutex);
3447
3448 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, "
3449 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3450 (unsigned long long)sas_address);
3451
3452 mptsas_expander_refresh(ioc, port_info);
3453}
3454
3455/**
3456 * mptsas_delete_expander_siblings - remove siblings attached to expander
3457 * @ioc: Pointer to MPT_ADAPTER structure
3458 * @parent: the parent port_info object
3459 * @expander: the expander port_info object
3460 **/
3461static void
3462mptsas_delete_expander_siblings(MPT_ADAPTER *ioc, struct mptsas_portinfo
3463 *parent, struct mptsas_portinfo *expander)
3464{
3465 struct mptsas_phyinfo *phy_info;
3466 struct mptsas_portinfo *port_info;
3467 struct sas_rphy *rphy;
3468 int i;
3469
3470 phy_info = expander->phy_info;
3471 for (i = 0; i < expander->num_phys; i++, phy_info++) {
3472 rphy = mptsas_get_rphy(phy_info);
3473 if (!rphy)
3474 continue;
3475 if (rphy->identify.device_type == SAS_END_DEVICE)
3476 mptsas_del_end_device(ioc, phy_info);
3477 }
3478
3479 phy_info = expander->phy_info;
3480 for (i = 0; i < expander->num_phys; i++, phy_info++) {
3481 rphy = mptsas_get_rphy(phy_info);
3482 if (!rphy)
3483 continue;
3484 if (rphy->identify.device_type ==
3485 MPI_SAS_DEVICE_INFO_EDGE_EXPANDER ||
3486 rphy->identify.device_type ==
3487 MPI_SAS_DEVICE_INFO_FANOUT_EXPANDER) {
3488 port_info = mptsas_find_portinfo_by_sas_address(ioc,
3489 rphy->identify.sas_address);
3490 if (!port_info)
3491 continue;
3492 if (port_info == parent) /* backlink rphy */
3493 continue;
3494 /*
3495 Delete this expander even if the expdevpage is exists
3496 because the parent expander is already deleted
3497 */
3498 mptsas_expander_delete(ioc, port_info, 1);
3499 }
3500 }
3501}
3502
3503
3504/**
3505 * mptsas_expander_delete - remove this expander
3506 * @ioc: Pointer to MPT_ADAPTER structure
3507 * @port_info: expander port_info struct
3508 * @force: Flag to forcefully delete the expander
3509 *
3510 **/
3511
3512static void mptsas_expander_delete(MPT_ADAPTER *ioc,
3513 struct mptsas_portinfo *port_info, u8 force)
3514{
3515
3516 struct mptsas_portinfo *parent;
3517 int i;
3518 u64 expander_sas_address;
3519 struct mptsas_phyinfo *phy_info;
3520 struct mptsas_portinfo buffer;
3521 struct mptsas_portinfo_details *port_details;
3522 struct sas_port *port;
3523
3524 if (!port_info)
3525 return;
3526
3527 /* see if expander is still there before deleting */
3528 mptsas_sas_expander_pg0(ioc, &buffer,
3529 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE <<
3530 MPI_SAS_EXPAND_PGAD_FORM_SHIFT),
3531 port_info->phy_info[0].identify.handle);
3532
3533 if (buffer.num_phys) {
3534 kfree(buffer.phy_info);
3535 if (!force)
3536 return;
3537 }
3538
3539
3540 /*
3541 * Obtain the port_info instance to the parent port
3542 */
3543 port_details = NULL;
3544 expander_sas_address =
3545 port_info->phy_info[0].identify.sas_address;
3546 parent = mptsas_find_portinfo_by_handle(ioc,
3547 port_info->phy_info[0].identify.handle_parent);
3548 mptsas_delete_expander_siblings(ioc, parent, port_info);
3549 if (!parent)
3550 goto out;
3551
3552 /*
3553 * Delete rphys in the parent that point
3554 * to this expander.
3555 */
3556 phy_info = parent->phy_info;
3557 port = NULL;
3558 for (i = 0; i < parent->num_phys; i++, phy_info++) {
3559 if (!phy_info->phy)
3560 continue;
3561 if (phy_info->attached.sas_address !=
3562 expander_sas_address)
3563 continue;
3564 if (!port) {
3565 port = mptsas_get_port(phy_info);
3566 port_details = phy_info->port_details;
3567 }
3568 dev_printk(KERN_DEBUG, &phy_info->phy->dev,
3569 MYIOC_s_FMT "delete phy %d, phy-obj (0x%p)\n", ioc->name,
3570 phy_info->phy_id, phy_info->phy);
3571 sas_port_delete_phy(port, phy_info->phy);
3572 }
3573 if (port) {
3574 dev_printk(KERN_DEBUG, &port->dev,
3575 MYIOC_s_FMT "delete port %d, sas_addr (0x%llx)\n",
3576 ioc->name, port->port_identifier,
3577 (unsigned long long)expander_sas_address);
3578 sas_port_delete(port);
3579 mptsas_port_delete(ioc, port_details);
3580 }
3581 out:
3582
3583 printk(MYIOC_s_INFO_FMT "delete expander: num_phys %d, "
3584 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3585 (unsigned long long)expander_sas_address);
3586
3587 /*
3588 * free link
3589 */
3590 list_del(&port_info->list);
3591 kfree(port_info->phy_info);
3592 kfree(port_info);
3593}
3594
3595
3596/**
3597 * mptsas_send_expander_event - expanders events
3598 * @ioc: Pointer to MPT_ADAPTER structure
3599 * @expander_data: event data
3600 *
3601 *
3602 * This function handles adding, removing, and refreshing
3603 * device handles within the expander objects.
3604 */
3605static void
3606mptsas_send_expander_event(struct fw_event_work *fw_event)
3607{
3608 MPT_ADAPTER *ioc;
3609 MpiEventDataSasExpanderStatusChange_t *expander_data;
3610 struct mptsas_portinfo *port_info;
3611 __le64 sas_address;
3612 int i;
3613
3614 ioc = fw_event->ioc;
3615 expander_data = (MpiEventDataSasExpanderStatusChange_t *)
3616 fw_event->event_data;
3617 memcpy(&sas_address, &expander_data->SASAddress, sizeof(__le64));
3618 sas_address = le64_to_cpu(sas_address);
3619 port_info = mptsas_find_portinfo_by_sas_address(ioc, sas_address);
3620
3621 if (expander_data->ReasonCode == MPI_EVENT_SAS_EXP_RC_ADDED) {
3622 if (port_info) {
3623 for (i = 0; i < port_info->num_phys; i++) {
3624 port_info->phy_info[i].portinfo = port_info;
3625 port_info->phy_info[i].handle =
3626 le16_to_cpu(expander_data->DevHandle);
3627 port_info->phy_info[i].identify.sas_address =
3628 le64_to_cpu(sas_address);
3629 port_info->phy_info[i].identify.handle_parent =
3630 le16_to_cpu(expander_data->ParentDevHandle);
3631 }
3632 mptsas_expander_refresh(ioc, port_info);
3633 } else if (!port_info && expander_data->NumPhys)
3634 mptsas_expander_event_add(ioc, expander_data);
3635 } else if (expander_data->ReasonCode ==
3636 MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING)
3637 mptsas_expander_delete(ioc, port_info, 0);
3638
3639 mptsas_free_fw_event(ioc, fw_event);
3640}
3641
3642
3643/**
3644 * mptsas_expander_add -
3645 * @ioc: Pointer to MPT_ADAPTER structure
3646 * @handle:
3647 *
3648 */
3649static struct mptsas_portinfo *
3650mptsas_expander_add(MPT_ADAPTER *ioc, u16 handle)
3651{
3652 struct mptsas_portinfo buffer, *port_info;
3653 int i;
3654
3655 if ((mptsas_sas_expander_pg0(ioc, &buffer,
3656 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE <<
3657 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle)))
3658 return NULL;
3659
3660 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_ATOMIC);
3661 if (!port_info) {
3662 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3663 "%s: exit at line=%d\n", ioc->name,
3664 __func__, __LINE__));
3665 return NULL;
3666 }
3667 port_info->num_phys = buffer.num_phys;
3668 port_info->phy_info = buffer.phy_info;
3669 for (i = 0; i < port_info->num_phys; i++)
3670 port_info->phy_info[i].portinfo = port_info;
3671 mutex_lock(&ioc->sas_topology_mutex);
3672 list_add_tail(&port_info->list, &ioc->sas_topology);
3673 mutex_unlock(&ioc->sas_topology_mutex);
3674 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, "
3675 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3676 (unsigned long long)buffer.phy_info[0].identify.sas_address);
3677 mptsas_expander_refresh(ioc, port_info);
3678 return port_info;
3679}
3680
3681static void
3682mptsas_send_link_status_event(struct fw_event_work *fw_event)
3683{
3684 MPT_ADAPTER *ioc;
3685 MpiEventDataSasPhyLinkStatus_t *link_data;
3686 struct mptsas_portinfo *port_info;
3687 struct mptsas_phyinfo *phy_info = NULL;
3688 __le64 sas_address;
3689 u8 phy_num;
3690 u8 link_rate;
3691
3692 ioc = fw_event->ioc;
3693 link_data = (MpiEventDataSasPhyLinkStatus_t *)fw_event->event_data;
3694
3695 memcpy(&sas_address, &link_data->SASAddress, sizeof(__le64));
3696 sas_address = le64_to_cpu(sas_address);
3697 link_rate = link_data->LinkRates >> 4;
3698 phy_num = link_data->PhyNum;
3699
3700 port_info = mptsas_find_portinfo_by_sas_address(ioc, sas_address);
3701 if (port_info) {
3702 phy_info = &port_info->phy_info[phy_num];
3703 if (phy_info)
3704 phy_info->negotiated_link_rate = link_rate;
3705 }
3706
3707 if (link_rate == MPI_SAS_IOUNIT0_RATE_1_5 ||
3708 link_rate == MPI_SAS_IOUNIT0_RATE_3_0 ||
3709 link_rate == MPI_SAS_IOUNIT0_RATE_6_0) {
3710
3711 if (!port_info) {
3712 if (ioc->old_sas_discovery_protocal) {
3713 port_info = mptsas_expander_add(ioc,
3714 le16_to_cpu(link_data->DevHandle));
3715 if (port_info)
3716 goto out;
3717 }
3718 goto out;
3719 }
3720
3721 if (port_info == ioc->hba_port_info)
3722 mptsas_probe_hba_phys(ioc);
3723 else
3724 mptsas_expander_refresh(ioc, port_info);
3725 } else if (phy_info && phy_info->phy) {
3726 if (link_rate == MPI_SAS_IOUNIT0_RATE_PHY_DISABLED)
3727 phy_info->phy->negotiated_linkrate =
3728 SAS_PHY_DISABLED;
3729 else if (link_rate ==
3730 MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION)
3731 phy_info->phy->negotiated_linkrate =
3732 SAS_LINK_RATE_FAILED;
3733 else {
3734 phy_info->phy->negotiated_linkrate =
3735 SAS_LINK_RATE_UNKNOWN;
3736 if (ioc->device_missing_delay &&
3737 mptsas_is_end_device(&phy_info->attached)) {
3738 struct scsi_device *sdev;
3739 VirtDevice *vdevice;
3740 u8 channel, id;
3741 id = phy_info->attached.id;
3742 channel = phy_info->attached.channel;
3743 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3744 "Link down for fw_id %d:fw_channel %d\n",
3745 ioc->name, phy_info->attached.id,
3746 phy_info->attached.channel));
3747
3748 shost_for_each_device(sdev, ioc->sh) {
3749 vdevice = sdev->hostdata;
3750 if ((vdevice == NULL) ||
3751 (vdevice->vtarget == NULL))
3752 continue;
3753 if ((vdevice->vtarget->tflags &
3754 MPT_TARGET_FLAGS_RAID_COMPONENT ||
3755 vdevice->vtarget->raidVolume))
3756 continue;
3757 if (vdevice->vtarget->id == id &&
3758 vdevice->vtarget->channel ==
3759 channel)
3760 devtprintk(ioc,
3761 printk(MYIOC_s_DEBUG_FMT
3762 "SDEV OUTSTANDING CMDS"
3763 "%d\n", ioc->name,
3764 atomic_read(&sdev->device_busy)));
3765 }
3766
3767 }
3768 }
3769 }
3770 out:
3771 mptsas_free_fw_event(ioc, fw_event);
3772}
3773
3774static void
3775mptsas_not_responding_devices(MPT_ADAPTER *ioc)
3776{
3777 struct mptsas_portinfo buffer, *port_info;
3778 struct mptsas_device_info *sas_info;
3779 struct mptsas_devinfo sas_device;
3780 u32 handle;
3781 VirtTarget *vtarget = NULL;
3782 struct mptsas_phyinfo *phy_info;
3783 u8 found_expander;
3784 int retval, retry_count;
3785 unsigned long flags;
3786
3787 mpt_findImVolumes(ioc);
3788
3789 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
3790 if (ioc->ioc_reset_in_progress) {
3791 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3792 "%s: exiting due to a parallel reset \n", ioc->name,
3793 __func__));
3794 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
3795 return;
3796 }
3797 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
3798
3799 /* devices, logical volumes */
3800 mutex_lock(&ioc->sas_device_info_mutex);
3801 redo_device_scan:
3802 list_for_each_entry(sas_info, &ioc->sas_device_info_list, list) {
3803 if (sas_info->is_cached)
3804 continue;
3805 if (!sas_info->is_logical_volume) {
3806 sas_device.handle = 0;
3807 retry_count = 0;
3808retry_page:
3809 retval = mptsas_sas_device_pg0(ioc, &sas_device,
3810 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID
3811 << MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3812 (sas_info->fw.channel << 8) +
3813 sas_info->fw.id);
3814
3815 if (sas_device.handle)
3816 continue;
3817 if (retval == -EBUSY) {
3818 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
3819 if (ioc->ioc_reset_in_progress) {
3820 dfailprintk(ioc,
3821 printk(MYIOC_s_DEBUG_FMT
3822 "%s: exiting due to reset\n",
3823 ioc->name, __func__));
3824 spin_unlock_irqrestore
3825 (&ioc->taskmgmt_lock, flags);
3826 mutex_unlock(&ioc->
3827 sas_device_info_mutex);
3828 return;
3829 }
3830 spin_unlock_irqrestore(&ioc->taskmgmt_lock,
3831 flags);
3832 }
3833
3834 if (retval && (retval != -ENODEV)) {
3835 if (retry_count < 10) {
3836 retry_count++;
3837 goto retry_page;
3838 } else {
3839 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3840 "%s: Config page retry exceeded retry "
3841 "count deleting device 0x%llx\n",
3842 ioc->name, __func__,
3843 sas_info->sas_address));
3844 }
3845 }
3846
3847 /* delete device */
3848 vtarget = mptsas_find_vtarget(ioc,
3849 sas_info->fw.channel, sas_info->fw.id);
3850
3851 if (vtarget)
3852 vtarget->deleted = 1;
3853
3854 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
3855 sas_info->sas_address);
3856
3857 mptsas_del_end_device(ioc, phy_info);
3858 goto redo_device_scan;
3859 } else
3860 mptsas_volume_delete(ioc, sas_info->fw.id);
3861 }
3862 mutex_unlock(&ioc->sas_device_info_mutex);
3863
3864 /* expanders */
3865 mutex_lock(&ioc->sas_topology_mutex);
3866 redo_expander_scan:
3867 list_for_each_entry(port_info, &ioc->sas_topology, list) {
3868
3869 if (!(port_info->phy_info[0].identify.device_info &
3870 MPI_SAS_DEVICE_INFO_SMP_TARGET))
3871 continue;
3872 found_expander = 0;
3873 handle = 0xFFFF;
3874 while (!mptsas_sas_expander_pg0(ioc, &buffer,
3875 (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE <<
3876 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle) &&
3877 !found_expander) {
3878
3879 handle = buffer.phy_info[0].handle;
3880 if (buffer.phy_info[0].identify.sas_address ==
3881 port_info->phy_info[0].identify.sas_address) {
3882 found_expander = 1;
3883 }
3884 kfree(buffer.phy_info);
3885 }
3886
3887 if (!found_expander) {
3888 mptsas_expander_delete(ioc, port_info, 0);
3889 goto redo_expander_scan;
3890 }
3891 }
3892 mutex_unlock(&ioc->sas_topology_mutex);
3893}
3894
3895/**
3896 * mptsas_probe_expanders - adding expanders
3897 * @ioc: Pointer to MPT_ADAPTER structure
3898 *
3899 **/
3900static void
3901mptsas_probe_expanders(MPT_ADAPTER *ioc)
3902{
3903 struct mptsas_portinfo buffer, *port_info;
3904 u32 handle;
3905 int i;
3906
3907 handle = 0xFFFF;
3908 while (!mptsas_sas_expander_pg0(ioc, &buffer,
3909 (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE <<
3910 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle)) {
3911
3912 handle = buffer.phy_info[0].handle;
3913 port_info = mptsas_find_portinfo_by_sas_address(ioc,
3914 buffer.phy_info[0].identify.sas_address);
3915
3916 if (port_info) {
3917 /* refreshing handles */
3918 for (i = 0; i < buffer.num_phys; i++) {
3919 port_info->phy_info[i].handle = handle;
3920 port_info->phy_info[i].identify.handle_parent =
3921 buffer.phy_info[0].identify.handle_parent;
3922 }
3923 mptsas_expander_refresh(ioc, port_info);
3924 kfree(buffer.phy_info);
3925 continue;
3926 }
3927
3928 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
3929 if (!port_info) {
3930 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3931 "%s: exit at line=%d\n", ioc->name,
3932 __func__, __LINE__));
3933 return;
3934 }
3935 port_info->num_phys = buffer.num_phys;
3936 port_info->phy_info = buffer.phy_info;
3937 for (i = 0; i < port_info->num_phys; i++)
3938 port_info->phy_info[i].portinfo = port_info;
3939 mutex_lock(&ioc->sas_topology_mutex);
3940 list_add_tail(&port_info->list, &ioc->sas_topology);
3941 mutex_unlock(&ioc->sas_topology_mutex);
3942 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, "
3943 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3944 (unsigned long long)buffer.phy_info[0].identify.sas_address);
3945 mptsas_expander_refresh(ioc, port_info);
3946 }
3947}
3948
3949static void
3950mptsas_probe_devices(MPT_ADAPTER *ioc)
3951{
3952 u16 handle;
3953 struct mptsas_devinfo sas_device;
3954 struct mptsas_phyinfo *phy_info;
3955
3956 handle = 0xFFFF;
3957 while (!(mptsas_sas_device_pg0(ioc, &sas_device,
3958 MPI_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
3959
3960 handle = sas_device.handle;
3961
3962 if ((sas_device.device_info &
3963 (MPI_SAS_DEVICE_INFO_SSP_TARGET |
3964 MPI_SAS_DEVICE_INFO_STP_TARGET |
3965 MPI_SAS_DEVICE_INFO_SATA_DEVICE)) == 0)
3966 continue;
3967
3968 /* If there is no FW B_T mapping for this device then continue
3969 * */
3970 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
3971 || !(sas_device.flags &
3972 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
3973 continue;
3974
3975 phy_info = mptsas_refreshing_device_handles(ioc, &sas_device);
3976 if (!phy_info)
3977 continue;
3978
3979 if (mptsas_get_rphy(phy_info))
3980 continue;
3981
3982 mptsas_add_end_device(ioc, phy_info);
3983 }
3984}
3985
3986/**
3987 * mptsas_scan_sas_topology -
3988 * @ioc: Pointer to MPT_ADAPTER structure
3989 * @sas_address:
3990 *
3991 **/
3992static void
3993mptsas_scan_sas_topology(MPT_ADAPTER *ioc)
3994{
3995 struct scsi_device *sdev;
3996 int i;
3997
3998 mptsas_probe_hba_phys(ioc);
3999 mptsas_probe_expanders(ioc);
4000 mptsas_probe_devices(ioc);
4001
4002 /*
4003 Reporting RAID volumes.
4004 */
4005 if (!ioc->ir_firmware || !ioc->raid_data.pIocPg2 ||
4006 !ioc->raid_data.pIocPg2->NumActiveVolumes)
4007 return;
4008 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
4009 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL,
4010 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID, 0);
4011 if (sdev) {
4012 scsi_device_put(sdev);
4013 continue;
4014 }
4015 printk(MYIOC_s_INFO_FMT "attaching raid volume, channel %d, "
4016 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL,
4017 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID);
4018 scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL,
4019 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID, 0);
4020 }
4021}
4022
4023
4024static void
4025mptsas_handle_queue_full_event(struct fw_event_work *fw_event)
4026{
4027 MPT_ADAPTER *ioc;
4028 EventDataQueueFull_t *qfull_data;
4029 struct mptsas_device_info *sas_info;
4030 struct scsi_device *sdev;
4031 int depth;
4032 int id = -1;
4033 int channel = -1;
4034 int fw_id, fw_channel;
4035 u16 current_depth;
4036
4037
4038 ioc = fw_event->ioc;
4039 qfull_data = (EventDataQueueFull_t *)fw_event->event_data;
4040 fw_id = qfull_data->TargetID;
4041 fw_channel = qfull_data->Bus;
4042 current_depth = le16_to_cpu(qfull_data->CurrentDepth);
4043
4044 /* if hidden raid component, look for the volume id */
4045 mutex_lock(&ioc->sas_device_info_mutex);
4046 if (mptscsih_is_phys_disk(ioc, fw_channel, fw_id)) {
4047 list_for_each_entry(sas_info, &ioc->sas_device_info_list,
4048 list) {
4049 if (sas_info->is_cached ||
4050 sas_info->is_logical_volume)
4051 continue;
4052 if (sas_info->is_hidden_raid_component &&
4053 (sas_info->fw.channel == fw_channel &&
4054 sas_info->fw.id == fw_id)) {
4055 id = sas_info->volume_id;
4056 channel = MPTSAS_RAID_CHANNEL;
4057 goto out;
4058 }
4059 }
4060 } else {
4061 list_for_each_entry(sas_info, &ioc->sas_device_info_list,
4062 list) {
4063 if (sas_info->is_cached ||
4064 sas_info->is_hidden_raid_component ||
4065 sas_info->is_logical_volume)
4066 continue;
4067 if (sas_info->fw.channel == fw_channel &&
4068 sas_info->fw.id == fw_id) {
4069 id = sas_info->os.id;
4070 channel = sas_info->os.channel;
4071 goto out;
4072 }
4073 }
4074
4075 }
4076
4077 out:
4078 mutex_unlock(&ioc->sas_device_info_mutex);
4079
4080 if (id != -1) {
4081 shost_for_each_device(sdev, ioc->sh) {
4082 if (sdev->id == id && sdev->channel == channel) {
4083 if (current_depth > sdev->queue_depth) {
4084 sdev_printk(KERN_INFO, sdev,
4085 "strange observation, the queue "
4086 "depth is (%d) meanwhile fw queue "
4087 "depth (%d)\n", sdev->queue_depth,
4088 current_depth);
4089 continue;
4090 }
4091 depth = scsi_track_queue_full(sdev,
4092 sdev->queue_depth - 1);
4093 if (depth > 0)
4094 sdev_printk(KERN_INFO, sdev,
4095 "Queue depth reduced to (%d)\n",
4096 depth);
4097 else if (depth < 0)
4098 sdev_printk(KERN_INFO, sdev,
4099 "Tagged Command Queueing is being "
4100 "disabled\n");
4101 else if (depth == 0)
4102 sdev_printk(KERN_DEBUG, sdev,
4103 "Queue depth not changed yet\n");
4104 }
4105 }
4106 }
4107
4108 mptsas_free_fw_event(ioc, fw_event);
4109}
4110
4111
4112static struct mptsas_phyinfo *
4113mptsas_find_phyinfo_by_sas_address(MPT_ADAPTER *ioc, u64 sas_address)
4114{
4115 struct mptsas_portinfo *port_info;
4116 struct mptsas_phyinfo *phy_info = NULL;
4117 int i;
4118
4119 mutex_lock(&ioc->sas_topology_mutex);
4120 list_for_each_entry(port_info, &ioc->sas_topology, list) {
4121 for (i = 0; i < port_info->num_phys; i++) {
4122 if (!mptsas_is_end_device(
4123 &port_info->phy_info[i].attached))
4124 continue;
4125 if (port_info->phy_info[i].attached.sas_address
4126 != sas_address)
4127 continue;
4128 phy_info = &port_info->phy_info[i];
4129 break;
4130 }
4131 }
4132 mutex_unlock(&ioc->sas_topology_mutex);
4133 return phy_info;
4134}
4135
4136/**
4137 * mptsas_find_phyinfo_by_phys_disk_num -
4138 * @ioc: Pointer to MPT_ADAPTER structure
4139 * @phys_disk_num:
4140 * @channel:
4141 * @id:
4142 *
4143 **/
4144static struct mptsas_phyinfo *
4145mptsas_find_phyinfo_by_phys_disk_num(MPT_ADAPTER *ioc, u8 phys_disk_num,
4146 u8 channel, u8 id)
4147{
4148 struct mptsas_phyinfo *phy_info = NULL;
4149 struct mptsas_portinfo *port_info;
4150 RaidPhysDiskPage1_t *phys_disk = NULL;
4151 int num_paths;
4152 u64 sas_address = 0;
4153 int i;
4154
4155 phy_info = NULL;
4156 if (!ioc->raid_data.pIocPg3)
4157 return NULL;
4158 /* dual port support */
4159 num_paths = mpt_raid_phys_disk_get_num_paths(ioc, phys_disk_num);
4160 if (!num_paths)
4161 goto out;
4162 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
4163 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
4164 if (!phys_disk)
4165 goto out;
4166 mpt_raid_phys_disk_pg1(ioc, phys_disk_num, phys_disk);
4167 for (i = 0; i < num_paths; i++) {
4168 if ((phys_disk->Path[i].Flags & 1) != 0)
4169 /* entry no longer valid */
4170 continue;
4171 if ((id == phys_disk->Path[i].PhysDiskID) &&
4172 (channel == phys_disk->Path[i].PhysDiskBus)) {
4173 memcpy(&sas_address, &phys_disk->Path[i].WWID,
4174 sizeof(u64));
4175 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4176 sas_address);
4177 goto out;
4178 }
4179 }
4180
4181 out:
4182 kfree(phys_disk);
4183 if (phy_info)
4184 return phy_info;
4185
4186 /*
4187 * Extra code to handle RAID0 case, where the sas_address is not updated
4188 * in phys_disk_page_1 when hotswapped
4189 */
4190 mutex_lock(&ioc->sas_topology_mutex);
4191 list_for_each_entry(port_info, &ioc->sas_topology, list) {
4192 for (i = 0; i < port_info->num_phys && !phy_info; i++) {
4193 if (!mptsas_is_end_device(
4194 &port_info->phy_info[i].attached))
4195 continue;
4196 if (port_info->phy_info[i].attached.phys_disk_num == ~0)
4197 continue;
4198 if ((port_info->phy_info[i].attached.phys_disk_num ==
4199 phys_disk_num) &&
4200 (port_info->phy_info[i].attached.id == id) &&
4201 (port_info->phy_info[i].attached.channel ==
4202 channel))
4203 phy_info = &port_info->phy_info[i];
4204 }
4205 }
4206 mutex_unlock(&ioc->sas_topology_mutex);
4207 return phy_info;
4208}
4209
4210static void
4211mptsas_reprobe_lun(struct scsi_device *sdev, void *data)
4212{
4213 int rc;
4214
4215 sdev->no_uld_attach = data ? 1 : 0;
4216 rc = scsi_device_reprobe(sdev);
4217}
4218
4219static void
4220mptsas_reprobe_target(struct scsi_target *starget, int uld_attach)
4221{
4222 starget_for_each_device(starget, uld_attach ? (void *)1 : NULL,
4223 mptsas_reprobe_lun);
4224}
4225
4226static void
4227mptsas_adding_inactive_raid_components(MPT_ADAPTER *ioc, u8 channel, u8 id)
4228{
4229 CONFIGPARMS cfg;
4230 ConfigPageHeader_t hdr;
4231 dma_addr_t dma_handle;
4232 pRaidVolumePage0_t buffer = NULL;
4233 RaidPhysDiskPage0_t phys_disk;
4234 int i;
4235 struct mptsas_phyinfo *phy_info;
4236 struct mptsas_devinfo sas_device;
4237
4238 memset(&cfg, 0 , sizeof(CONFIGPARMS));
4239 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
4240 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME;
4241 cfg.pageAddr = (channel << 8) + id;
4242 cfg.cfghdr.hdr = &hdr;
4243 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
4244 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
4245
4246 if (mpt_config(ioc, &cfg) != 0)
4247 goto out;
4248
4249 if (!hdr.PageLength)
4250 goto out;
4251
4252 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
4253 &dma_handle);
4254
4255 if (!buffer)
4256 goto out;
4257
4258 cfg.physAddr = dma_handle;
4259 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
4260
4261 if (mpt_config(ioc, &cfg) != 0)
4262 goto out;
4263
4264 if (!(buffer->VolumeStatus.Flags &
4265 MPI_RAIDVOL0_STATUS_FLAG_VOLUME_INACTIVE))
4266 goto out;
4267
4268 if (!buffer->NumPhysDisks)
4269 goto out;
4270
4271 for (i = 0; i < buffer->NumPhysDisks; i++) {
4272
4273 if (mpt_raid_phys_disk_pg0(ioc,
4274 buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0)
4275 continue;
4276
4277 if (mptsas_sas_device_pg0(ioc, &sas_device,
4278 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4279 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4280 (phys_disk.PhysDiskBus << 8) +
4281 phys_disk.PhysDiskID))
4282 continue;
4283
4284 /* If there is no FW B_T mapping for this device then continue
4285 * */
4286 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4287 || !(sas_device.flags &
4288 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4289 continue;
4290
4291
4292 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4293 sas_device.sas_address);
4294 mptsas_add_end_device(ioc, phy_info);
4295 }
4296
4297 out:
4298 if (buffer)
4299 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
4300 dma_handle);
4301}
4302/*
4303 * Work queue thread to handle SAS hotplug events
4304 */
4305static void
4306mptsas_hotplug_work(MPT_ADAPTER *ioc, struct fw_event_work *fw_event,
4307 struct mptsas_hotplug_event *hot_plug_info)
4308{
4309 struct mptsas_phyinfo *phy_info;
4310 struct scsi_target * starget;
4311 struct mptsas_devinfo sas_device;
4312 VirtTarget *vtarget;
4313 int i;
4314 struct mptsas_portinfo *port_info;
4315
4316 switch (hot_plug_info->event_type) {
4317
4318 case MPTSAS_ADD_PHYSDISK:
4319
4320 if (!ioc->raid_data.pIocPg2)
4321 break;
4322
4323 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
4324 if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID ==
4325 hot_plug_info->id) {
4326 printk(MYIOC_s_WARN_FMT "firmware bug: unable "
4327 "to add hidden disk - target_id matchs "
4328 "volume_id\n", ioc->name);
4329 mptsas_free_fw_event(ioc, fw_event);
4330 return;
4331 }
4332 }
4333 mpt_findImVolumes(ioc);
4334
4335 case MPTSAS_ADD_DEVICE:
4336 memset(&sas_device, 0, sizeof(struct mptsas_devinfo));
4337 mptsas_sas_device_pg0(ioc, &sas_device,
4338 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4339 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4340 (hot_plug_info->channel << 8) +
4341 hot_plug_info->id);
4342
4343 /* If there is no FW B_T mapping for this device then break
4344 * */
4345 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4346 || !(sas_device.flags &
4347 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4348 break;
4349
4350 if (!sas_device.handle)
4351 return;
4352
4353 phy_info = mptsas_refreshing_device_handles(ioc, &sas_device);
4354 /* Only For SATA Device ADD */
4355 if (!phy_info && (sas_device.device_info &
4356 MPI_SAS_DEVICE_INFO_SATA_DEVICE)) {
4357 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4358 "%s %d SATA HOT PLUG: "
4359 "parent handle of device %x\n", ioc->name,
4360 __func__, __LINE__, sas_device.handle_parent));
4361 port_info = mptsas_find_portinfo_by_handle(ioc,
4362 sas_device.handle_parent);
4363
4364 if (port_info == ioc->hba_port_info)
4365 mptsas_probe_hba_phys(ioc);
4366 else if (port_info)
4367 mptsas_expander_refresh(ioc, port_info);
4368 else {
4369 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4370 "%s %d port info is NULL\n",
4371 ioc->name, __func__, __LINE__));
4372 break;
4373 }
4374 phy_info = mptsas_refreshing_device_handles
4375 (ioc, &sas_device);
4376 }
4377
4378 if (!phy_info) {
4379 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4380 "%s %d phy info is NULL\n",
4381 ioc->name, __func__, __LINE__));
4382 break;
4383 }
4384
4385 if (mptsas_get_rphy(phy_info))
4386 break;
4387
4388 mptsas_add_end_device(ioc, phy_info);
4389 break;
4390
4391 case MPTSAS_DEL_DEVICE:
4392 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4393 hot_plug_info->sas_address);
4394 mptsas_del_end_device(ioc, phy_info);
4395 break;
4396
4397 case MPTSAS_DEL_PHYSDISK:
4398
4399 mpt_findImVolumes(ioc);
4400
4401 phy_info = mptsas_find_phyinfo_by_phys_disk_num(
4402 ioc, hot_plug_info->phys_disk_num,
4403 hot_plug_info->channel,
4404 hot_plug_info->id);
4405 mptsas_del_end_device(ioc, phy_info);
4406 break;
4407
4408 case MPTSAS_ADD_PHYSDISK_REPROBE:
4409
4410 if (mptsas_sas_device_pg0(ioc, &sas_device,
4411 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4412 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4413 (hot_plug_info->channel << 8) + hot_plug_info->id)) {
4414 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4415 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4416 __func__, hot_plug_info->id, __LINE__));
4417 break;
4418 }
4419
4420 /* If there is no FW B_T mapping for this device then break
4421 * */
4422 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4423 || !(sas_device.flags &
4424 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4425 break;
4426
4427 phy_info = mptsas_find_phyinfo_by_sas_address(
4428 ioc, sas_device.sas_address);
4429
4430 if (!phy_info) {
4431 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4432 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4433 __func__, hot_plug_info->id, __LINE__));
4434 break;
4435 }
4436
4437 starget = mptsas_get_starget(phy_info);
4438 if (!starget) {
4439 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4440 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4441 __func__, hot_plug_info->id, __LINE__));
4442 break;
4443 }
4444
4445 vtarget = starget->hostdata;
4446 if (!vtarget) {
4447 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4448 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4449 __func__, hot_plug_info->id, __LINE__));
4450 break;
4451 }
4452
4453 mpt_findImVolumes(ioc);
4454
4455 starget_printk(KERN_INFO, starget, MYIOC_s_FMT "RAID Hidding: "
4456 "fw_channel=%d, fw_id=%d, physdsk %d, sas_addr 0x%llx\n",
4457 ioc->name, hot_plug_info->channel, hot_plug_info->id,
4458 hot_plug_info->phys_disk_num, (unsigned long long)
4459 sas_device.sas_address);
4460
4461 vtarget->id = hot_plug_info->phys_disk_num;
4462 vtarget->tflags |= MPT_TARGET_FLAGS_RAID_COMPONENT;
4463 phy_info->attached.phys_disk_num = hot_plug_info->phys_disk_num;
4464 mptsas_reprobe_target(starget, 1);
4465 break;
4466
4467 case MPTSAS_DEL_PHYSDISK_REPROBE:
4468
4469 if (mptsas_sas_device_pg0(ioc, &sas_device,
4470 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4471 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4472 (hot_plug_info->channel << 8) + hot_plug_info->id)) {
4473 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4474 "%s: fw_id=%d exit at line=%d\n",
4475 ioc->name, __func__,
4476 hot_plug_info->id, __LINE__));
4477 break;
4478 }
4479
4480 /* If there is no FW B_T mapping for this device then break
4481 * */
4482 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4483 || !(sas_device.flags &
4484 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4485 break;
4486
4487 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4488 sas_device.sas_address);
4489 if (!phy_info) {
4490 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4491 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4492 __func__, hot_plug_info->id, __LINE__));
4493 break;
4494 }
4495
4496 starget = mptsas_get_starget(phy_info);
4497 if (!starget) {
4498 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4499 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4500 __func__, hot_plug_info->id, __LINE__));
4501 break;
4502 }
4503
4504 vtarget = starget->hostdata;
4505 if (!vtarget) {
4506 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4507 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4508 __func__, hot_plug_info->id, __LINE__));
4509 break;
4510 }
4511
4512 if (!(vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)) {
4513 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4514 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4515 __func__, hot_plug_info->id, __LINE__));
4516 break;
4517 }
4518
4519 mpt_findImVolumes(ioc);
4520
4521 starget_printk(KERN_INFO, starget, MYIOC_s_FMT "RAID Exposing:"
4522 " fw_channel=%d, fw_id=%d, physdsk %d, sas_addr 0x%llx\n",
4523 ioc->name, hot_plug_info->channel, hot_plug_info->id,
4524 hot_plug_info->phys_disk_num, (unsigned long long)
4525 sas_device.sas_address);
4526
4527 vtarget->tflags &= ~MPT_TARGET_FLAGS_RAID_COMPONENT;
4528 vtarget->id = hot_plug_info->id;
4529 phy_info->attached.phys_disk_num = ~0;
4530 mptsas_reprobe_target(starget, 0);
4531 mptsas_add_device_component_by_fw(ioc,
4532 hot_plug_info->channel, hot_plug_info->id);
4533 break;
4534
4535 case MPTSAS_ADD_RAID:
4536
4537 mpt_findImVolumes(ioc);
4538 printk(MYIOC_s_INFO_FMT "attaching raid volume, channel %d, "
4539 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL,
4540 hot_plug_info->id);
4541 scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL,
4542 hot_plug_info->id, 0);
4543 break;
4544
4545 case MPTSAS_DEL_RAID:
4546
4547 mpt_findImVolumes(ioc);
4548 printk(MYIOC_s_INFO_FMT "removing raid volume, channel %d, "
4549 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL,
4550 hot_plug_info->id);
4551 scsi_remove_device(hot_plug_info->sdev);
4552 scsi_device_put(hot_plug_info->sdev);
4553 break;
4554
4555 case MPTSAS_ADD_INACTIVE_VOLUME:
4556
4557 mpt_findImVolumes(ioc);
4558 mptsas_adding_inactive_raid_components(ioc,
4559 hot_plug_info->channel, hot_plug_info->id);
4560 break;
4561
4562 default:
4563 break;
4564 }
4565
4566 mptsas_free_fw_event(ioc, fw_event);
4567}
4568
4569static void
4570mptsas_send_sas_event(struct fw_event_work *fw_event)
4571{
4572 MPT_ADAPTER *ioc;
4573 struct mptsas_hotplug_event hot_plug_info;
4574 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data;
4575 u32 device_info;
4576 u64 sas_address;
4577
4578 ioc = fw_event->ioc;
4579 sas_event_data = (EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *)
4580 fw_event->event_data;
4581 device_info = le32_to_cpu(sas_event_data->DeviceInfo);
4582
4583 if ((device_info &
4584 (MPI_SAS_DEVICE_INFO_SSP_TARGET |
4585 MPI_SAS_DEVICE_INFO_STP_TARGET |
4586 MPI_SAS_DEVICE_INFO_SATA_DEVICE)) == 0) {
4587 mptsas_free_fw_event(ioc, fw_event);
4588 return;
4589 }
4590
4591 if (sas_event_data->ReasonCode ==
4592 MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED) {
4593 mptbase_sas_persist_operation(ioc,
4594 MPI_SAS_OP_CLEAR_NOT_PRESENT);
4595 mptsas_free_fw_event(ioc, fw_event);
4596 return;
4597 }
4598
4599 switch (sas_event_data->ReasonCode) {
4600 case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING:
4601 case MPI_EVENT_SAS_DEV_STAT_RC_ADDED:
4602 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
4603 hot_plug_info.handle = le16_to_cpu(sas_event_data->DevHandle);
4604 hot_plug_info.channel = sas_event_data->Bus;
4605 hot_plug_info.id = sas_event_data->TargetID;
4606 hot_plug_info.phy_id = sas_event_data->PhyNum;
4607 memcpy(&sas_address, &sas_event_data->SASAddress,
4608 sizeof(u64));
4609 hot_plug_info.sas_address = le64_to_cpu(sas_address);
4610 hot_plug_info.device_info = device_info;
4611 if (sas_event_data->ReasonCode &
4612 MPI_EVENT_SAS_DEV_STAT_RC_ADDED)
4613 hot_plug_info.event_type = MPTSAS_ADD_DEVICE;
4614 else
4615 hot_plug_info.event_type = MPTSAS_DEL_DEVICE;
4616 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
4617 break;
4618
4619 case MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED:
4620 mptbase_sas_persist_operation(ioc,
4621 MPI_SAS_OP_CLEAR_NOT_PRESENT);
4622 mptsas_free_fw_event(ioc, fw_event);
4623 break;
4624
4625 case MPI_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
4626 /* TODO */
4627 case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
4628 /* TODO */
4629 default:
4630 mptsas_free_fw_event(ioc, fw_event);
4631 break;
4632 }
4633}
4634
4635static void
4636mptsas_send_raid_event(struct fw_event_work *fw_event)
4637{
4638 MPT_ADAPTER *ioc;
4639 EVENT_DATA_RAID *raid_event_data;
4640 struct mptsas_hotplug_event hot_plug_info;
4641 int status;
4642 int state;
4643 struct scsi_device *sdev = NULL;
4644 VirtDevice *vdevice = NULL;
4645 RaidPhysDiskPage0_t phys_disk;
4646
4647 ioc = fw_event->ioc;
4648 raid_event_data = (EVENT_DATA_RAID *)fw_event->event_data;
4649 status = le32_to_cpu(raid_event_data->SettingsStatus);
4650 state = (status >> 8) & 0xff;
4651
4652 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
4653 hot_plug_info.id = raid_event_data->VolumeID;
4654 hot_plug_info.channel = raid_event_data->VolumeBus;
4655 hot_plug_info.phys_disk_num = raid_event_data->PhysDiskNum;
4656
4657 if (raid_event_data->ReasonCode == MPI_EVENT_RAID_RC_VOLUME_DELETED ||
4658 raid_event_data->ReasonCode == MPI_EVENT_RAID_RC_VOLUME_CREATED ||
4659 raid_event_data->ReasonCode ==
4660 MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED) {
4661 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL,
4662 hot_plug_info.id, 0);
4663 hot_plug_info.sdev = sdev;
4664 if (sdev)
4665 vdevice = sdev->hostdata;
4666 }
4667
4668 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Entering %s: "
4669 "ReasonCode=%02x\n", ioc->name, __func__,
4670 raid_event_data->ReasonCode));
4671
4672 switch (raid_event_data->ReasonCode) {
4673 case MPI_EVENT_RAID_RC_PHYSDISK_DELETED:
4674 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK_REPROBE;
4675 break;
4676 case MPI_EVENT_RAID_RC_PHYSDISK_CREATED:
4677 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK_REPROBE;
4678 break;
4679 case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED:
4680 switch (state) {
4681 case MPI_PD_STATE_ONLINE:
4682 case MPI_PD_STATE_NOT_COMPATIBLE:
4683 mpt_raid_phys_disk_pg0(ioc,
4684 raid_event_data->PhysDiskNum, &phys_disk);
4685 hot_plug_info.id = phys_disk.PhysDiskID;
4686 hot_plug_info.channel = phys_disk.PhysDiskBus;
4687 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK;
4688 break;
4689 case MPI_PD_STATE_FAILED:
4690 case MPI_PD_STATE_MISSING:
4691 case MPI_PD_STATE_OFFLINE_AT_HOST_REQUEST:
4692 case MPI_PD_STATE_FAILED_AT_HOST_REQUEST:
4693 case MPI_PD_STATE_OFFLINE_FOR_ANOTHER_REASON:
4694 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK;
4695 break;
4696 default:
4697 break;
4698 }
4699 break;
4700 case MPI_EVENT_RAID_RC_VOLUME_DELETED:
4701 if (!sdev)
4702 break;
4703 vdevice->vtarget->deleted = 1; /* block IO */
4704 hot_plug_info.event_type = MPTSAS_DEL_RAID;
4705 break;
4706 case MPI_EVENT_RAID_RC_VOLUME_CREATED:
4707 if (sdev) {
4708 scsi_device_put(sdev);
4709 break;
4710 }
4711 hot_plug_info.event_type = MPTSAS_ADD_RAID;
4712 break;
4713 case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED:
4714 if (!(status & MPI_RAIDVOL0_STATUS_FLAG_ENABLED)) {
4715 if (!sdev)
4716 break;
4717 vdevice->vtarget->deleted = 1; /* block IO */
4718 hot_plug_info.event_type = MPTSAS_DEL_RAID;
4719 break;
4720 }
4721 switch (state) {
4722 case MPI_RAIDVOL0_STATUS_STATE_FAILED:
4723 case MPI_RAIDVOL0_STATUS_STATE_MISSING:
4724 if (!sdev)
4725 break;
4726 vdevice->vtarget->deleted = 1; /* block IO */
4727 hot_plug_info.event_type = MPTSAS_DEL_RAID;
4728 break;
4729 case MPI_RAIDVOL0_STATUS_STATE_OPTIMAL:
4730 case MPI_RAIDVOL0_STATUS_STATE_DEGRADED:
4731 if (sdev) {
4732 scsi_device_put(sdev);
4733 break;
4734 }
4735 hot_plug_info.event_type = MPTSAS_ADD_RAID;
4736 break;
4737 default:
4738 break;
4739 }
4740 break;
4741 default:
4742 break;
4743 }
4744
4745 if (hot_plug_info.event_type != MPTSAS_IGNORE_EVENT)
4746 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
4747 else
4748 mptsas_free_fw_event(ioc, fw_event);
4749}
4750
4751/**
4752 * mptsas_issue_tm - send mptsas internal tm request
4753 * @ioc: Pointer to MPT_ADAPTER structure
4754 * @type: Task Management type
4755 * @channel: channel number for task management
4756 * @id: Logical Target ID for reset (if appropriate)
4757 * @lun: Logical unit for reset (if appropriate)
4758 * @task_context: Context for the task to be aborted
4759 * @timeout: timeout for task management control
4760 *
4761 * return 0 on success and -1 on failure:
4762 *
4763 */
4764static int
4765mptsas_issue_tm(MPT_ADAPTER *ioc, u8 type, u8 channel, u8 id, u64 lun,
4766 int task_context, ulong timeout, u8 *issue_reset)
4767{
4768 MPT_FRAME_HDR *mf;
4769 SCSITaskMgmt_t *pScsiTm;
4770 int retval;
4771 unsigned long timeleft;
4772
4773 *issue_reset = 0;
4774 mf = mpt_get_msg_frame(mptsasDeviceResetCtx, ioc);
4775 if (mf == NULL) {
4776 retval = -1; /* return failure */
4777 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT "TaskMgmt request: no "
4778 "msg frames!!\n", ioc->name));
4779 goto out;
4780 }
4781
4782 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request: mr = %p, "
4783 "task_type = 0x%02X,\n\t timeout = %ld, fw_channel = %d, "
4784 "fw_id = %d, lun = %lld,\n\t task_context = 0x%x\n", ioc->name, mf,
4785 type, timeout, channel, id, (unsigned long long)lun,
4786 task_context));
4787
4788 pScsiTm = (SCSITaskMgmt_t *) mf;
4789 memset(pScsiTm, 0, sizeof(SCSITaskMgmt_t));
4790 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
4791 pScsiTm->TaskType = type;
4792 pScsiTm->MsgFlags = 0;
4793 pScsiTm->TargetID = id;
4794 pScsiTm->Bus = channel;
4795 pScsiTm->ChainOffset = 0;
4796 pScsiTm->Reserved = 0;
4797 pScsiTm->Reserved1 = 0;
4798 pScsiTm->TaskMsgContext = task_context;
4799 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
4800
4801 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
4802 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
4803 retval = 0;
4804 mpt_put_msg_frame_hi_pri(mptsasDeviceResetCtx, ioc, mf);
4805
4806 /* Now wait for the command to complete */
4807 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
4808 timeout*HZ);
4809 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
4810 retval = -1; /* return failure */
4811 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
4812 "TaskMgmt request: TIMED OUT!(mr=%p)\n", ioc->name, mf));
4813 mpt_free_msg_frame(ioc, mf);
4814 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
4815 goto out;
4816 *issue_reset = 1;
4817 goto out;
4818 }
4819
4820 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
4821 retval = -1; /* return failure */
4822 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4823 "TaskMgmt request: failed with no reply\n", ioc->name));
4824 goto out;
4825 }
4826
4827 out:
4828 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
4829 return retval;
4830}
4831
4832/**
4833 * mptsas_broadcast_primative_work - Handle broadcast primitives
4834 * @work: work queue payload containing info describing the event
4835 *
4836 * this will be handled in workqueue context.
4837 */
4838static void
4839mptsas_broadcast_primative_work(struct fw_event_work *fw_event)
4840{
4841 MPT_ADAPTER *ioc = fw_event->ioc;
4842 MPT_FRAME_HDR *mf;
4843 VirtDevice *vdevice;
4844 int ii;
4845 struct scsi_cmnd *sc;
4846 SCSITaskMgmtReply_t *pScsiTmReply;
4847 u8 issue_reset;
4848 int task_context;
4849 u8 channel, id;
4850 int lun;
4851 u32 termination_count;
4852 u32 query_count;
4853
4854 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4855 "%s - enter\n", ioc->name, __func__));
4856
4857 mutex_lock(&ioc->taskmgmt_cmds.mutex);
4858 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
4859 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
4860 mptsas_requeue_fw_event(ioc, fw_event, 1000);
4861 return;
4862 }
4863
4864 issue_reset = 0;
4865 termination_count = 0;
4866 query_count = 0;
4867 mpt_findImVolumes(ioc);
4868 pScsiTmReply = (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply;
4869
4870 for (ii = 0; ii < ioc->req_depth; ii++) {
4871 if (ioc->fw_events_off)
4872 goto out;
4873 sc = mptscsih_get_scsi_lookup(ioc, ii);
4874 if (!sc)
4875 continue;
4876 mf = MPT_INDEX_2_MFPTR(ioc, ii);
4877 if (!mf)
4878 continue;
4879 task_context = mf->u.frame.hwhdr.msgctxu.MsgContext;
4880 vdevice = sc->device->hostdata;
4881 if (!vdevice || !vdevice->vtarget)
4882 continue;
4883 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
4884 continue; /* skip hidden raid components */
4885 if (vdevice->vtarget->raidVolume)
4886 continue; /* skip hidden raid components */
4887 channel = vdevice->vtarget->channel;
4888 id = vdevice->vtarget->id;
4889 lun = vdevice->lun;
4890 if (mptsas_issue_tm(ioc, MPI_SCSITASKMGMT_TASKTYPE_QUERY_TASK,
4891 channel, id, (u64)lun, task_context, 30, &issue_reset))
4892 goto out;
4893 query_count++;
4894 termination_count +=
4895 le32_to_cpu(pScsiTmReply->TerminationCount);
4896 if ((pScsiTmReply->IOCStatus == MPI_IOCSTATUS_SUCCESS) &&
4897 (pScsiTmReply->ResponseCode ==
4898 MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED ||
4899 pScsiTmReply->ResponseCode ==
4900 MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC))
4901 continue;
4902 if (mptsas_issue_tm(ioc,
4903 MPI_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET,
4904 channel, id, (u64)lun, 0, 30, &issue_reset))
4905 goto out;
4906 termination_count +=
4907 le32_to_cpu(pScsiTmReply->TerminationCount);
4908 }
4909
4910 out:
4911 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4912 "%s - exit, query_count = %d termination_count = %d\n",
4913 ioc->name, __func__, query_count, termination_count));
4914
4915 ioc->broadcast_aen_busy = 0;
4916 mpt_clear_taskmgmt_in_progress_flag(ioc);
4917 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
4918
4919 if (issue_reset) {
4920 printk(MYIOC_s_WARN_FMT
4921 "Issuing Reset from %s!! doorbell=0x%08x\n",
4922 ioc->name, __func__, mpt_GetIocState(ioc, 0));
4923 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
4924 }
4925 mptsas_free_fw_event(ioc, fw_event);
4926}
4927
4928/*
4929 * mptsas_send_ir2_event - handle exposing hidden disk when
4930 * an inactive raid volume is added
4931 *
4932 * @ioc: Pointer to MPT_ADAPTER structure
4933 * @ir2_data
4934 *
4935 */
4936static void
4937mptsas_send_ir2_event(struct fw_event_work *fw_event)
4938{
4939 MPT_ADAPTER *ioc;
4940 struct mptsas_hotplug_event hot_plug_info;
4941 MPI_EVENT_DATA_IR2 *ir2_data;
4942 u8 reasonCode;
4943 RaidPhysDiskPage0_t phys_disk;
4944
4945 ioc = fw_event->ioc;
4946 ir2_data = (MPI_EVENT_DATA_IR2 *)fw_event->event_data;
4947 reasonCode = ir2_data->ReasonCode;
4948
4949 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Entering %s: "
4950 "ReasonCode=%02x\n", ioc->name, __func__, reasonCode));
4951
4952 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
4953 hot_plug_info.id = ir2_data->TargetID;
4954 hot_plug_info.channel = ir2_data->Bus;
4955 switch (reasonCode) {
4956 case MPI_EVENT_IR2_RC_FOREIGN_CFG_DETECTED:
4957 hot_plug_info.event_type = MPTSAS_ADD_INACTIVE_VOLUME;
4958 break;
4959 case MPI_EVENT_IR2_RC_DUAL_PORT_REMOVED:
4960 hot_plug_info.phys_disk_num = ir2_data->PhysDiskNum;
4961 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK;
4962 break;
4963 case MPI_EVENT_IR2_RC_DUAL_PORT_ADDED:
4964 hot_plug_info.phys_disk_num = ir2_data->PhysDiskNum;
4965 mpt_raid_phys_disk_pg0(ioc,
4966 ir2_data->PhysDiskNum, &phys_disk);
4967 hot_plug_info.id = phys_disk.PhysDiskID;
4968 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK;
4969 break;
4970 default:
4971 mptsas_free_fw_event(ioc, fw_event);
4972 return;
4973 }
4974 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
4975}
4976
4977static int
4978mptsas_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *reply)
4979{
4980 u32 event = le32_to_cpu(reply->Event);
4981 int event_data_sz;
4982 struct fw_event_work *fw_event;
4983 unsigned long delay;
4984
4985 if (ioc->bus_type != SAS)
4986 return 0;
4987
4988 /* events turned off due to host reset or driver unloading */
4989 if (ioc->fw_events_off)
4990 return 0;
4991
4992 delay = msecs_to_jiffies(1);
4993 switch (event) {
4994 case MPI_EVENT_SAS_BROADCAST_PRIMITIVE:
4995 {
4996 EVENT_DATA_SAS_BROADCAST_PRIMITIVE *broadcast_event_data =
4997 (EVENT_DATA_SAS_BROADCAST_PRIMITIVE *)reply->Data;
4998 if (broadcast_event_data->Primitive !=
4999 MPI_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT)
5000 return 0;
5001 if (ioc->broadcast_aen_busy)
5002 return 0;
5003 ioc->broadcast_aen_busy = 1;
5004 break;
5005 }
5006 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
5007 {
5008 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data =
5009 (EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *)reply->Data;
5010 u16 ioc_stat;
5011 ioc_stat = le16_to_cpu(reply->IOCStatus);
5012
5013 if (sas_event_data->ReasonCode ==
5014 MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING) {
5015 mptsas_target_reset_queue(ioc, sas_event_data);
5016 return 0;
5017 }
5018 if (sas_event_data->ReasonCode ==
5019 MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET &&
5020 ioc->device_missing_delay &&
5021 (ioc_stat & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)) {
5022 VirtTarget *vtarget = NULL;
5023 u8 id, channel;
5024
5025 id = sas_event_data->TargetID;
5026 channel = sas_event_data->Bus;
5027
5028 vtarget = mptsas_find_vtarget(ioc, channel, id);
5029 if (vtarget) {
5030 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5031 "LogInfo (0x%x) available for "
5032 "INTERNAL_DEVICE_RESET"
5033 "fw_id %d fw_channel %d\n", ioc->name,
5034 le32_to_cpu(reply->IOCLogInfo),
5035 id, channel));
5036 if (vtarget->raidVolume) {
5037 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5038 "Skipping Raid Volume for inDMD\n",
5039 ioc->name));
5040 } else {
5041 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5042 "Setting device flag inDMD\n",
5043 ioc->name));
5044 vtarget->inDMD = 1;
5045 }
5046
5047 }
5048
5049 }
5050
5051 break;
5052 }
5053 case MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE:
5054 {
5055 MpiEventDataSasExpanderStatusChange_t *expander_data =
5056 (MpiEventDataSasExpanderStatusChange_t *)reply->Data;
5057
5058 if (ioc->old_sas_discovery_protocal)
5059 return 0;
5060
5061 if (expander_data->ReasonCode ==
5062 MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING &&
5063 ioc->device_missing_delay)
5064 delay = HZ * ioc->device_missing_delay;
5065 break;
5066 }
5067 case MPI_EVENT_SAS_DISCOVERY:
5068 {
5069 u32 discovery_status;
5070 EventDataSasDiscovery_t *discovery_data =
5071 (EventDataSasDiscovery_t *)reply->Data;
5072
5073 discovery_status = le32_to_cpu(discovery_data->DiscoveryStatus);
5074 ioc->sas_discovery_quiesce_io = discovery_status ? 1 : 0;
5075 if (ioc->old_sas_discovery_protocal && !discovery_status)
5076 mptsas_queue_rescan(ioc);
5077 return 0;
5078 }
5079 case MPI_EVENT_INTEGRATED_RAID:
5080 case MPI_EVENT_PERSISTENT_TABLE_FULL:
5081 case MPI_EVENT_IR2:
5082 case MPI_EVENT_SAS_PHY_LINK_STATUS:
5083 case MPI_EVENT_QUEUE_FULL:
5084 break;
5085 default:
5086 return 0;
5087 }
5088
5089 event_data_sz = ((reply->MsgLength * 4) -
5090 offsetof(EventNotificationReply_t, Data));
5091 fw_event = kzalloc(sizeof(*fw_event) + event_data_sz, GFP_ATOMIC);
5092 if (!fw_event) {
5093 printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n", ioc->name,
5094 __func__, __LINE__);
5095 return 0;
5096 }
5097 memcpy(fw_event->event_data, reply->Data, event_data_sz);
5098 fw_event->event = event;
5099 fw_event->ioc = ioc;
5100 mptsas_add_fw_event(ioc, fw_event, delay);
5101 return 0;
5102}
5103
5104/* Delete a volume when no longer listed in ioc pg2
5105 */
5106static void mptsas_volume_delete(MPT_ADAPTER *ioc, u8 id)
5107{
5108 struct scsi_device *sdev;
5109 int i;
5110
5111 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL, id, 0);
5112 if (!sdev)
5113 return;
5114 if (!ioc->raid_data.pIocPg2)
5115 goto out;
5116 if (!ioc->raid_data.pIocPg2->NumActiveVolumes)
5117 goto out;
5118 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++)
5119 if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID == id)
5120 goto release_sdev;
5121 out:
5122 printk(MYIOC_s_INFO_FMT "removing raid volume, channel %d, "
5123 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL, id);
5124 scsi_remove_device(sdev);
5125 release_sdev:
5126 scsi_device_put(sdev);
5127}
5128
5129static int
5130mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
5131{
5132 struct Scsi_Host *sh;
5133 MPT_SCSI_HOST *hd;
5134 MPT_ADAPTER *ioc;
5135 unsigned long flags;
5136 int ii;
5137 int numSGE = 0;
5138 int scale;
5139 int ioc_cap;
5140 int error=0;
5141 int r;
5142
5143 r = mpt_attach(pdev,id);
5144 if (r)
5145 return r;
5146
5147 ioc = pci_get_drvdata(pdev);
5148 mptsas_fw_event_off(ioc);
5149 ioc->DoneCtx = mptsasDoneCtx;
5150 ioc->TaskCtx = mptsasTaskCtx;
5151 ioc->InternalCtx = mptsasInternalCtx;
5152 ioc->schedule_target_reset = &mptsas_schedule_target_reset;
5153 ioc->schedule_dead_ioc_flush_running_cmds =
5154 &mptscsih_flush_running_cmds;
5155 /* Added sanity check on readiness of the MPT adapter.
5156 */
5157 if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) {
5158 printk(MYIOC_s_WARN_FMT
5159 "Skipping because it's not operational!\n",
5160 ioc->name);
5161 error = -ENODEV;
5162 goto out_mptsas_probe;
5163 }
5164
5165 if (!ioc->active) {
5166 printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n",
5167 ioc->name);
5168 error = -ENODEV;
5169 goto out_mptsas_probe;
5170 }
5171
5172 /* Sanity check - ensure at least 1 port is INITIATOR capable
5173 */
5174 ioc_cap = 0;
5175 for (ii = 0; ii < ioc->facts.NumberOfPorts; ii++) {
5176 if (ioc->pfacts[ii].ProtocolFlags &
5177 MPI_PORTFACTS_PROTOCOL_INITIATOR)
5178 ioc_cap++;
5179 }
5180
5181 if (!ioc_cap) {
5182 printk(MYIOC_s_WARN_FMT
5183 "Skipping ioc=%p because SCSI Initiator mode "
5184 "is NOT enabled!\n", ioc->name, ioc);
5185 return 0;
5186 }
5187
5188 sh = scsi_host_alloc(&mptsas_driver_template, sizeof(MPT_SCSI_HOST));
5189 if (!sh) {
5190 printk(MYIOC_s_WARN_FMT
5191 "Unable to register controller with SCSI subsystem\n",
5192 ioc->name);
5193 error = -1;
5194 goto out_mptsas_probe;
5195 }
5196
5197 spin_lock_irqsave(&ioc->FreeQlock, flags);
5198
5199 /* Attach the SCSI Host to the IOC structure
5200 */
5201 ioc->sh = sh;
5202
5203 sh->io_port = 0;
5204 sh->n_io_port = 0;
5205 sh->irq = 0;
5206
5207 /* set 16 byte cdb's */
5208 sh->max_cmd_len = 16;
5209 sh->can_queue = min_t(int, ioc->req_depth - 10, sh->can_queue);
5210 sh->max_id = -1;
5211 sh->max_lun = max_lun;
5212 sh->transportt = mptsas_transport_template;
5213
5214 /* Required entry.
5215 */
5216 sh->unique_id = ioc->id;
5217
5218 INIT_LIST_HEAD(&ioc->sas_topology);
5219 mutex_init(&ioc->sas_topology_mutex);
5220 mutex_init(&ioc->sas_discovery_mutex);
5221 mutex_init(&ioc->sas_mgmt.mutex);
5222 init_completion(&ioc->sas_mgmt.done);
5223
5224 /* Verify that we won't exceed the maximum
5225 * number of chain buffers
5226 * We can optimize: ZZ = req_sz/sizeof(SGE)
5227 * For 32bit SGE's:
5228 * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ
5229 * + (req_sz - 64)/sizeof(SGE)
5230 * A slightly different algorithm is required for
5231 * 64bit SGEs.
5232 */
5233 scale = ioc->req_sz/ioc->SGE_size;
5234 if (ioc->sg_addr_size == sizeof(u64)) {
5235 numSGE = (scale - 1) *
5236 (ioc->facts.MaxChainDepth-1) + scale +
5237 (ioc->req_sz - 60) / ioc->SGE_size;
5238 } else {
5239 numSGE = 1 + (scale - 1) *
5240 (ioc->facts.MaxChainDepth-1) + scale +
5241 (ioc->req_sz - 64) / ioc->SGE_size;
5242 }
5243
5244 if (numSGE < sh->sg_tablesize) {
5245 /* Reset this value */
5246 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5247 "Resetting sg_tablesize to %d from %d\n",
5248 ioc->name, numSGE, sh->sg_tablesize));
5249 sh->sg_tablesize = numSGE;
5250 }
5251
5252 if (mpt_loadtime_max_sectors) {
5253 if (mpt_loadtime_max_sectors < 64 ||
5254 mpt_loadtime_max_sectors > 8192) {
5255 printk(MYIOC_s_INFO_FMT "Invalid value passed for"
5256 "mpt_loadtime_max_sectors %d."
5257 "Range from 64 to 8192\n", ioc->name,
5258 mpt_loadtime_max_sectors);
5259 }
5260 mpt_loadtime_max_sectors &= 0xFFFFFFFE;
5261 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5262 "Resetting max sector to %d from %d\n",
5263 ioc->name, mpt_loadtime_max_sectors, sh->max_sectors));
5264 sh->max_sectors = mpt_loadtime_max_sectors;
5265 }
5266
5267 hd = shost_priv(sh);
5268 hd->ioc = ioc;
5269
5270 /* SCSI needs scsi_cmnd lookup table!
5271 * (with size equal to req_depth*PtrSz!)
5272 */
5273 ioc->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC);
5274 if (!ioc->ScsiLookup) {
5275 error = -ENOMEM;
5276 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
5277 goto out_mptsas_probe;
5278 }
5279 spin_lock_init(&ioc->scsi_lookup_lock);
5280
5281 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n",
5282 ioc->name, ioc->ScsiLookup));
5283
5284 ioc->sas_data.ptClear = mpt_pt_clear;
5285
5286 hd->last_queue_full = 0;
5287 INIT_LIST_HEAD(&hd->target_reset_list);
5288 INIT_LIST_HEAD(&ioc->sas_device_info_list);
5289 mutex_init(&ioc->sas_device_info_mutex);
5290
5291 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
5292
5293 if (ioc->sas_data.ptClear==1) {
5294 mptbase_sas_persist_operation(
5295 ioc, MPI_SAS_OP_CLEAR_ALL_PERSISTENT);
5296 }
5297
5298 error = scsi_add_host(sh, &ioc->pcidev->dev);
5299 if (error) {
5300 dprintk(ioc, printk(MYIOC_s_ERR_FMT
5301 "scsi_add_host failed\n", ioc->name));
5302 goto out_mptsas_probe;
5303 }
5304
5305 /* older firmware doesn't support expander events */
5306 if ((ioc->facts.HeaderVersion >> 8) < 0xE)
5307 ioc->old_sas_discovery_protocal = 1;
5308 mptsas_scan_sas_topology(ioc);
5309 mptsas_fw_event_on(ioc);
5310 return 0;
5311
5312 out_mptsas_probe:
5313
5314 mptscsih_remove(pdev);
5315 return error;
5316}
5317
5318static void
5319mptsas_shutdown(struct pci_dev *pdev)
5320{
5321 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
5322
5323 mptsas_fw_event_off(ioc);
5324 mptsas_cleanup_fw_event_q(ioc);
5325}
5326
5327static void mptsas_remove(struct pci_dev *pdev)
5328{
5329 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
5330 struct mptsas_portinfo *p, *n;
5331 int i;
5332
5333 if (!ioc->sh) {
5334 printk(MYIOC_s_INFO_FMT "IOC is in Target mode\n", ioc->name);
5335 mpt_detach(pdev);
5336 return;
5337 }
5338
5339 mptsas_shutdown(pdev);
5340
5341 mptsas_del_device_components(ioc);
5342
5343 ioc->sas_discovery_ignore_events = 1;
5344 sas_remove_host(ioc->sh);
5345
5346 mutex_lock(&ioc->sas_topology_mutex);
5347 list_for_each_entry_safe(p, n, &ioc->sas_topology, list) {
5348 list_del(&p->list);
5349 for (i = 0 ; i < p->num_phys ; i++)
5350 mptsas_port_delete(ioc, p->phy_info[i].port_details);
5351
5352 kfree(p->phy_info);
5353 kfree(p);
5354 }
5355 mutex_unlock(&ioc->sas_topology_mutex);
5356 ioc->hba_port_info = NULL;
5357 mptscsih_remove(pdev);
5358}
5359
5360static struct pci_device_id mptsas_pci_table[] = {
5361 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1064,
5362 PCI_ANY_ID, PCI_ANY_ID },
5363 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068,
5364 PCI_ANY_ID, PCI_ANY_ID },
5365 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1064E,
5366 PCI_ANY_ID, PCI_ANY_ID },
5367 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068E,
5368 PCI_ANY_ID, PCI_ANY_ID },
5369 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1078,
5370 PCI_ANY_ID, PCI_ANY_ID },
5371 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068_820XELP,
5372 PCI_ANY_ID, PCI_ANY_ID },
5373 {0} /* Terminating entry */
5374};
5375MODULE_DEVICE_TABLE(pci, mptsas_pci_table);
5376
5377
5378static struct pci_driver mptsas_driver = {
5379 .name = "mptsas",
5380 .id_table = mptsas_pci_table,
5381 .probe = mptsas_probe,
5382 .remove = mptsas_remove,
5383 .shutdown = mptsas_shutdown,
5384#ifdef CONFIG_PM
5385 .suspend = mptscsih_suspend,
5386 .resume = mptscsih_resume,
5387#endif
5388};
5389
5390static int __init
5391mptsas_init(void)
5392{
5393 int error;
5394
5395 show_mptmod_ver(my_NAME, my_VERSION);
5396
5397 mptsas_transport_template =
5398 sas_attach_transport(&mptsas_transport_functions);
5399 if (!mptsas_transport_template)
5400 return -ENODEV;
5401 mptsas_transport_template->eh_timed_out = mptsas_eh_timed_out;
5402
5403 mptsasDoneCtx = mpt_register(mptscsih_io_done, MPTSAS_DRIVER,
5404 "mptscsih_io_done");
5405 mptsasTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSAS_DRIVER,
5406 "mptscsih_taskmgmt_complete");
5407 mptsasInternalCtx =
5408 mpt_register(mptscsih_scandv_complete, MPTSAS_DRIVER,
5409 "mptscsih_scandv_complete");
5410 mptsasMgmtCtx = mpt_register(mptsas_mgmt_done, MPTSAS_DRIVER,
5411 "mptsas_mgmt_done");
5412 mptsasDeviceResetCtx =
5413 mpt_register(mptsas_taskmgmt_complete, MPTSAS_DRIVER,
5414 "mptsas_taskmgmt_complete");
5415
5416 mpt_event_register(mptsasDoneCtx, mptsas_event_process);
5417 mpt_reset_register(mptsasDoneCtx, mptsas_ioc_reset);
5418
5419 error = pci_register_driver(&mptsas_driver);
5420 if (error)
5421 sas_release_transport(mptsas_transport_template);
5422
5423 return error;
5424}
5425
5426static void __exit
5427mptsas_exit(void)
5428{
5429 pci_unregister_driver(&mptsas_driver);
5430 sas_release_transport(mptsas_transport_template);
5431
5432 mpt_reset_deregister(mptsasDoneCtx);
5433 mpt_event_deregister(mptsasDoneCtx);
5434
5435 mpt_deregister(mptsasMgmtCtx);
5436 mpt_deregister(mptsasInternalCtx);
5437 mpt_deregister(mptsasTaskCtx);
5438 mpt_deregister(mptsasDoneCtx);
5439 mpt_deregister(mptsasDeviceResetCtx);
5440}
5441
5442module_init(mptsas_init);
5443module_exit(mptsas_exit);