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