Loading...
1/*
2 * linux/drivers/message/fusion/mptsas.c
3 * For use with LSI PCI chip/adapter(s)
4 * running LSI Fusion MPT (Message Passing Technology) firmware.
5 *
6 * Copyright (c) 1999-2008 LSI Corporation
7 * (mailto:DL-MPTFusionLinux@lsi.com)
8 */
9/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
10/*
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; version 2 of the License.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 NO WARRANTY
21 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
22 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
23 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
24 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
25 solely responsible for determining the appropriateness of using and
26 distributing the Program and assumes all risks associated with its
27 exercise of rights under this Agreement, including but not limited to
28 the risks and costs of program errors, damage to or loss of data,
29 programs or equipment, and unavailability or interruption of operations.
30
31 DISCLAIMER OF LIABILITY
32 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
33 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
35 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
36 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
37 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
38 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
39
40 You should have received a copy of the GNU General Public License
41 along with this program; if not, write to the Free Software
42 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
43*/
44/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
45
46#include <linux/module.h>
47#include <linux/kernel.h>
48#include <linux/slab.h>
49#include <linux/init.h>
50#include <linux/errno.h>
51#include <linux/jiffies.h>
52#include <linux/workqueue.h>
53#include <linux/delay.h> /* for mdelay */
54
55#include <scsi/scsi.h>
56#include <scsi/scsi_cmnd.h>
57#include <scsi/scsi_device.h>
58#include <scsi/scsi_host.h>
59#include <scsi/scsi_transport_sas.h>
60#include <scsi/scsi_transport.h>
61#include <scsi/scsi_dbg.h>
62
63#include "mptbase.h"
64#include "mptscsih.h"
65#include "mptsas.h"
66
67
68#define my_NAME "Fusion MPT SAS Host driver"
69#define my_VERSION MPT_LINUX_VERSION_COMMON
70#define MYNAM "mptsas"
71
72/*
73 * Reserved channel for integrated raid
74 */
75#define MPTSAS_RAID_CHANNEL 1
76
77#define SAS_CONFIG_PAGE_TIMEOUT 30
78MODULE_AUTHOR(MODULEAUTHOR);
79MODULE_DESCRIPTION(my_NAME);
80MODULE_LICENSE("GPL");
81MODULE_VERSION(my_VERSION);
82
83static int mpt_pt_clear;
84module_param(mpt_pt_clear, int, 0);
85MODULE_PARM_DESC(mpt_pt_clear,
86 " Clear persistency table: enable=1 "
87 "(default=MPTSCSIH_PT_CLEAR=0)");
88
89/* scsi-mid layer global parmeter is max_report_luns, which is 511 */
90#define MPTSAS_MAX_LUN (16895)
91static int max_lun = MPTSAS_MAX_LUN;
92module_param(max_lun, int, 0);
93MODULE_PARM_DESC(max_lun, " max lun, default=16895 ");
94
95static int mpt_loadtime_max_sectors = 8192;
96module_param(mpt_loadtime_max_sectors, int, 0);
97MODULE_PARM_DESC(mpt_loadtime_max_sectors,
98 " Maximum sector define for Host Bus Adaptor.Range 64 to 8192 default=8192");
99
100static u8 mptsasDoneCtx = MPT_MAX_PROTOCOL_DRIVERS;
101static u8 mptsasTaskCtx = MPT_MAX_PROTOCOL_DRIVERS;
102static u8 mptsasInternalCtx = MPT_MAX_PROTOCOL_DRIVERS; /* Used only for internal commands */
103static u8 mptsasMgmtCtx = MPT_MAX_PROTOCOL_DRIVERS;
104static u8 mptsasDeviceResetCtx = MPT_MAX_PROTOCOL_DRIVERS;
105
106static void mptsas_firmware_event_work(struct work_struct *work);
107static void mptsas_send_sas_event(struct fw_event_work *fw_event);
108static void mptsas_send_raid_event(struct fw_event_work *fw_event);
109static void mptsas_send_ir2_event(struct fw_event_work *fw_event);
110static void mptsas_parse_device_info(struct sas_identify *identify,
111 struct mptsas_devinfo *device_info);
112static inline void mptsas_set_rphy(MPT_ADAPTER *ioc,
113 struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy);
114static struct mptsas_phyinfo *mptsas_find_phyinfo_by_sas_address
115 (MPT_ADAPTER *ioc, u64 sas_address);
116static int mptsas_sas_device_pg0(MPT_ADAPTER *ioc,
117 struct mptsas_devinfo *device_info, u32 form, u32 form_specific);
118static int mptsas_sas_enclosure_pg0(MPT_ADAPTER *ioc,
119 struct mptsas_enclosure *enclosure, u32 form, u32 form_specific);
120static int mptsas_add_end_device(MPT_ADAPTER *ioc,
121 struct mptsas_phyinfo *phy_info);
122static void mptsas_del_end_device(MPT_ADAPTER *ioc,
123 struct mptsas_phyinfo *phy_info);
124static void mptsas_send_link_status_event(struct fw_event_work *fw_event);
125static struct mptsas_portinfo *mptsas_find_portinfo_by_sas_address
126 (MPT_ADAPTER *ioc, u64 sas_address);
127static void mptsas_expander_delete(MPT_ADAPTER *ioc,
128 struct mptsas_portinfo *port_info, u8 force);
129static void mptsas_send_expander_event(struct fw_event_work *fw_event);
130static void mptsas_not_responding_devices(MPT_ADAPTER *ioc);
131static void mptsas_scan_sas_topology(MPT_ADAPTER *ioc);
132static void mptsas_broadcast_primative_work(struct fw_event_work *fw_event);
133static void mptsas_handle_queue_full_event(struct fw_event_work *fw_event);
134static void mptsas_volume_delete(MPT_ADAPTER *ioc, u8 id);
135void mptsas_schedule_target_reset(void *ioc);
136
137static void mptsas_print_phy_data(MPT_ADAPTER *ioc,
138 MPI_SAS_IO_UNIT0_PHY_DATA *phy_data)
139{
140 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
141 "---- IO UNIT PAGE 0 ------------\n", ioc->name));
142 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Handle=0x%X\n",
143 ioc->name, le16_to_cpu(phy_data->AttachedDeviceHandle)));
144 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Controller Handle=0x%X\n",
145 ioc->name, le16_to_cpu(phy_data->ControllerDevHandle)));
146 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Port=0x%X\n",
147 ioc->name, phy_data->Port));
148 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Port Flags=0x%X\n",
149 ioc->name, phy_data->PortFlags));
150 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PHY Flags=0x%X\n",
151 ioc->name, phy_data->PhyFlags));
152 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Negotiated Link Rate=0x%X\n",
153 ioc->name, phy_data->NegotiatedLinkRate));
154 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
155 "Controller PHY Device Info=0x%X\n", ioc->name,
156 le32_to_cpu(phy_data->ControllerPhyDeviceInfo)));
157 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DiscoveryStatus=0x%X\n\n",
158 ioc->name, le32_to_cpu(phy_data->DiscoveryStatus)));
159}
160
161static void mptsas_print_phy_pg0(MPT_ADAPTER *ioc, SasPhyPage0_t *pg0)
162{
163 __le64 sas_address;
164
165 memcpy(&sas_address, &pg0->SASAddress, sizeof(__le64));
166
167 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
168 "---- SAS PHY PAGE 0 ------------\n", ioc->name));
169 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
170 "Attached Device Handle=0x%X\n", ioc->name,
171 le16_to_cpu(pg0->AttachedDevHandle)));
172 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SAS Address=0x%llX\n",
173 ioc->name, (unsigned long long)le64_to_cpu(sas_address)));
174 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
175 "Attached PHY Identifier=0x%X\n", ioc->name,
176 pg0->AttachedPhyIdentifier));
177 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Attached Device Info=0x%X\n",
178 ioc->name, le32_to_cpu(pg0->AttachedDeviceInfo)));
179 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Programmed Link Rate=0x%X\n",
180 ioc->name, pg0->ProgrammedLinkRate));
181 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Change Count=0x%X\n",
182 ioc->name, pg0->ChangeCount));
183 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PHY Info=0x%X\n\n",
184 ioc->name, le32_to_cpu(pg0->PhyInfo)));
185}
186
187static void mptsas_print_phy_pg1(MPT_ADAPTER *ioc, SasPhyPage1_t *pg1)
188{
189 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
190 "---- SAS PHY PAGE 1 ------------\n", ioc->name));
191 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Invalid Dword Count=0x%x\n",
192 ioc->name, pg1->InvalidDwordCount));
193 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
194 "Running Disparity Error Count=0x%x\n", ioc->name,
195 pg1->RunningDisparityErrorCount));
196 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
197 "Loss Dword Synch Count=0x%x\n", ioc->name,
198 pg1->LossDwordSynchCount));
199 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
200 "PHY Reset Problem Count=0x%x\n\n", ioc->name,
201 pg1->PhyResetProblemCount));
202}
203
204static void mptsas_print_device_pg0(MPT_ADAPTER *ioc, SasDevicePage0_t *pg0)
205{
206 __le64 sas_address;
207
208 memcpy(&sas_address, &pg0->SASAddress, sizeof(__le64));
209
210 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
211 "---- SAS DEVICE PAGE 0 ---------\n", ioc->name));
212 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Handle=0x%X\n",
213 ioc->name, le16_to_cpu(pg0->DevHandle)));
214 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Parent Handle=0x%X\n",
215 ioc->name, le16_to_cpu(pg0->ParentDevHandle)));
216 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Enclosure Handle=0x%X\n",
217 ioc->name, le16_to_cpu(pg0->EnclosureHandle)));
218 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Slot=0x%X\n",
219 ioc->name, le16_to_cpu(pg0->Slot)));
220 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SAS Address=0x%llX\n",
221 ioc->name, (unsigned long long)le64_to_cpu(sas_address)));
222 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Target ID=0x%X\n",
223 ioc->name, pg0->TargetID));
224 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Bus=0x%X\n",
225 ioc->name, pg0->Bus));
226 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Parent Phy Num=0x%X\n",
227 ioc->name, pg0->PhyNum));
228 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Access Status=0x%X\n",
229 ioc->name, le16_to_cpu(pg0->AccessStatus)));
230 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Device Info=0x%X\n",
231 ioc->name, le32_to_cpu(pg0->DeviceInfo)));
232 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Flags=0x%X\n",
233 ioc->name, le16_to_cpu(pg0->Flags)));
234 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Physical Port=0x%X\n\n",
235 ioc->name, pg0->PhysicalPort));
236}
237
238static void mptsas_print_expander_pg1(MPT_ADAPTER *ioc, SasExpanderPage1_t *pg1)
239{
240 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
241 "---- SAS EXPANDER PAGE 1 ------------\n", ioc->name));
242 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Physical Port=0x%X\n",
243 ioc->name, pg1->PhysicalPort));
244 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PHY Identifier=0x%X\n",
245 ioc->name, pg1->PhyIdentifier));
246 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Negotiated Link Rate=0x%X\n",
247 ioc->name, pg1->NegotiatedLinkRate));
248 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Programmed Link Rate=0x%X\n",
249 ioc->name, pg1->ProgrammedLinkRate));
250 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hardware Link Rate=0x%X\n",
251 ioc->name, pg1->HwLinkRate));
252 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Owner Device Handle=0x%X\n",
253 ioc->name, le16_to_cpu(pg1->OwnerDevHandle)));
254 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
255 "Attached Device Handle=0x%X\n\n", ioc->name,
256 le16_to_cpu(pg1->AttachedDevHandle)));
257}
258
259/* inhibit sas firmware event handling */
260static void
261mptsas_fw_event_off(MPT_ADAPTER *ioc)
262{
263 unsigned long flags;
264
265 spin_lock_irqsave(&ioc->fw_event_lock, flags);
266 ioc->fw_events_off = 1;
267 ioc->sas_discovery_quiesce_io = 0;
268 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
269
270}
271
272/* enable sas firmware event handling */
273static void
274mptsas_fw_event_on(MPT_ADAPTER *ioc)
275{
276 unsigned long flags;
277
278 spin_lock_irqsave(&ioc->fw_event_lock, flags);
279 ioc->fw_events_off = 0;
280 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
281}
282
283/* queue a sas firmware event */
284static void
285mptsas_add_fw_event(MPT_ADAPTER *ioc, struct fw_event_work *fw_event,
286 unsigned long delay)
287{
288 unsigned long flags;
289
290 spin_lock_irqsave(&ioc->fw_event_lock, flags);
291 list_add_tail(&fw_event->list, &ioc->fw_event_list);
292 INIT_DELAYED_WORK(&fw_event->work, mptsas_firmware_event_work);
293 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: add (fw_event=0x%p)"
294 "on cpuid %d\n", ioc->name, __func__,
295 fw_event, smp_processor_id()));
296 queue_delayed_work_on(smp_processor_id(), ioc->fw_event_q,
297 &fw_event->work, delay);
298 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
299}
300
301/* requeue a sas firmware event */
302static void
303mptsas_requeue_fw_event(MPT_ADAPTER *ioc, struct fw_event_work *fw_event,
304 unsigned long delay)
305{
306 unsigned long flags;
307 spin_lock_irqsave(&ioc->fw_event_lock, flags);
308 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: reschedule task "
309 "(fw_event=0x%p)on cpuid %d\n", ioc->name, __func__,
310 fw_event, smp_processor_id()));
311 fw_event->retries++;
312 queue_delayed_work_on(smp_processor_id(), ioc->fw_event_q,
313 &fw_event->work, msecs_to_jiffies(delay));
314 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
315}
316
317/* free memory associated to a sas firmware event */
318static void
319mptsas_free_fw_event(MPT_ADAPTER *ioc, struct fw_event_work *fw_event)
320{
321 unsigned long flags;
322
323 spin_lock_irqsave(&ioc->fw_event_lock, flags);
324 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: kfree (fw_event=0x%p)\n",
325 ioc->name, __func__, fw_event));
326 list_del(&fw_event->list);
327 kfree(fw_event);
328 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
329}
330
331/* walk the firmware event queue, and either stop or wait for
332 * outstanding events to complete */
333static void
334mptsas_cleanup_fw_event_q(MPT_ADAPTER *ioc)
335{
336 struct fw_event_work *fw_event, *next;
337 struct mptsas_target_reset_event *target_reset_list, *n;
338 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
339
340 /* flush the target_reset_list */
341 if (!list_empty(&hd->target_reset_list)) {
342 list_for_each_entry_safe(target_reset_list, n,
343 &hd->target_reset_list, list) {
344 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
345 "%s: removing target reset for id=%d\n",
346 ioc->name, __func__,
347 target_reset_list->sas_event_data.TargetID));
348 list_del(&target_reset_list->list);
349 kfree(target_reset_list);
350 }
351 }
352
353 if (list_empty(&ioc->fw_event_list) ||
354 !ioc->fw_event_q || in_interrupt())
355 return;
356
357 list_for_each_entry_safe(fw_event, next, &ioc->fw_event_list, list) {
358 if (cancel_delayed_work(&fw_event->work))
359 mptsas_free_fw_event(ioc, fw_event);
360 }
361}
362
363
364static inline MPT_ADAPTER *phy_to_ioc(struct sas_phy *phy)
365{
366 struct Scsi_Host *shost = dev_to_shost(phy->dev.parent);
367 return ((MPT_SCSI_HOST *)shost->hostdata)->ioc;
368}
369
370static inline MPT_ADAPTER *rphy_to_ioc(struct sas_rphy *rphy)
371{
372 struct Scsi_Host *shost = dev_to_shost(rphy->dev.parent->parent);
373 return ((MPT_SCSI_HOST *)shost->hostdata)->ioc;
374}
375
376/*
377 * mptsas_find_portinfo_by_handle
378 *
379 * This function should be called with the sas_topology_mutex already held
380 */
381static struct mptsas_portinfo *
382mptsas_find_portinfo_by_handle(MPT_ADAPTER *ioc, u16 handle)
383{
384 struct mptsas_portinfo *port_info, *rc=NULL;
385 int i;
386
387 list_for_each_entry(port_info, &ioc->sas_topology, list)
388 for (i = 0; i < port_info->num_phys; i++)
389 if (port_info->phy_info[i].identify.handle == handle) {
390 rc = port_info;
391 goto out;
392 }
393 out:
394 return rc;
395}
396
397/**
398 * mptsas_find_portinfo_by_sas_address -
399 * @ioc: Pointer to MPT_ADAPTER structure
400 * @handle:
401 *
402 * This function should be called with the sas_topology_mutex already held
403 *
404 **/
405static struct mptsas_portinfo *
406mptsas_find_portinfo_by_sas_address(MPT_ADAPTER *ioc, u64 sas_address)
407{
408 struct mptsas_portinfo *port_info, *rc = NULL;
409 int i;
410
411 if (sas_address >= ioc->hba_port_sas_addr &&
412 sas_address < (ioc->hba_port_sas_addr +
413 ioc->hba_port_num_phy))
414 return ioc->hba_port_info;
415
416 mutex_lock(&ioc->sas_topology_mutex);
417 list_for_each_entry(port_info, &ioc->sas_topology, list)
418 for (i = 0; i < port_info->num_phys; i++)
419 if (port_info->phy_info[i].identify.sas_address ==
420 sas_address) {
421 rc = port_info;
422 goto out;
423 }
424 out:
425 mutex_unlock(&ioc->sas_topology_mutex);
426 return rc;
427}
428
429/*
430 * Returns true if there is a scsi end device
431 */
432static inline int
433mptsas_is_end_device(struct mptsas_devinfo * attached)
434{
435 if ((attached->sas_address) &&
436 (attached->device_info &
437 MPI_SAS_DEVICE_INFO_END_DEVICE) &&
438 ((attached->device_info &
439 MPI_SAS_DEVICE_INFO_SSP_TARGET) |
440 (attached->device_info &
441 MPI_SAS_DEVICE_INFO_STP_TARGET) |
442 (attached->device_info &
443 MPI_SAS_DEVICE_INFO_SATA_DEVICE)))
444 return 1;
445 else
446 return 0;
447}
448
449/* no mutex */
450static void
451mptsas_port_delete(MPT_ADAPTER *ioc, struct mptsas_portinfo_details * port_details)
452{
453 struct mptsas_portinfo *port_info;
454 struct mptsas_phyinfo *phy_info;
455 u8 i;
456
457 if (!port_details)
458 return;
459
460 port_info = port_details->port_info;
461 phy_info = port_info->phy_info;
462
463 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: [%p]: num_phys=%02d "
464 "bitmask=0x%016llX\n", ioc->name, __func__, port_details,
465 port_details->num_phys, (unsigned long long)
466 port_details->phy_bitmask));
467
468 for (i = 0; i < port_info->num_phys; i++, phy_info++) {
469 if(phy_info->port_details != port_details)
470 continue;
471 memset(&phy_info->attached, 0, sizeof(struct mptsas_devinfo));
472 mptsas_set_rphy(ioc, phy_info, NULL);
473 phy_info->port_details = NULL;
474 }
475 kfree(port_details);
476}
477
478static inline struct sas_rphy *
479mptsas_get_rphy(struct mptsas_phyinfo *phy_info)
480{
481 if (phy_info->port_details)
482 return phy_info->port_details->rphy;
483 else
484 return NULL;
485}
486
487static inline void
488mptsas_set_rphy(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy)
489{
490 if (phy_info->port_details) {
491 phy_info->port_details->rphy = rphy;
492 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sas_rphy_add: rphy=%p\n",
493 ioc->name, rphy));
494 }
495
496 if (rphy) {
497 dsaswideprintk(ioc, dev_printk(KERN_DEBUG,
498 &rphy->dev, MYIOC_s_FMT "add:", ioc->name));
499 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "rphy=%p release=%p\n",
500 ioc->name, rphy, rphy->dev.release));
501 }
502}
503
504static inline struct sas_port *
505mptsas_get_port(struct mptsas_phyinfo *phy_info)
506{
507 if (phy_info->port_details)
508 return phy_info->port_details->port;
509 else
510 return NULL;
511}
512
513static inline void
514mptsas_set_port(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_port *port)
515{
516 if (phy_info->port_details)
517 phy_info->port_details->port = port;
518
519 if (port) {
520 dsaswideprintk(ioc, dev_printk(KERN_DEBUG,
521 &port->dev, MYIOC_s_FMT "add:", ioc->name));
522 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "port=%p release=%p\n",
523 ioc->name, port, port->dev.release));
524 }
525}
526
527static inline struct scsi_target *
528mptsas_get_starget(struct mptsas_phyinfo *phy_info)
529{
530 if (phy_info->port_details)
531 return phy_info->port_details->starget;
532 else
533 return NULL;
534}
535
536static inline void
537mptsas_set_starget(struct mptsas_phyinfo *phy_info, struct scsi_target *
538starget)
539{
540 if (phy_info->port_details)
541 phy_info->port_details->starget = starget;
542}
543
544/**
545 * mptsas_add_device_component -
546 * @ioc: Pointer to MPT_ADAPTER structure
547 * @channel: fw mapped id's
548 * @id:
549 * @sas_address:
550 * @device_info:
551 *
552 **/
553static void
554mptsas_add_device_component(MPT_ADAPTER *ioc, u8 channel, u8 id,
555 u64 sas_address, u32 device_info, u16 slot, u64 enclosure_logical_id)
556{
557 struct mptsas_device_info *sas_info, *next;
558 struct scsi_device *sdev;
559 struct scsi_target *starget;
560 struct sas_rphy *rphy;
561
562 /*
563 * Delete all matching devices out of the list
564 */
565 mutex_lock(&ioc->sas_device_info_mutex);
566 list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list,
567 list) {
568 if (!sas_info->is_logical_volume &&
569 (sas_info->sas_address == sas_address ||
570 (sas_info->fw.channel == channel &&
571 sas_info->fw.id == id))) {
572 list_del(&sas_info->list);
573 kfree(sas_info);
574 }
575 }
576
577 sas_info = kzalloc(sizeof(struct mptsas_device_info), GFP_KERNEL);
578 if (!sas_info)
579 goto out;
580
581 /*
582 * Set Firmware mapping
583 */
584 sas_info->fw.id = id;
585 sas_info->fw.channel = channel;
586
587 sas_info->sas_address = sas_address;
588 sas_info->device_info = device_info;
589 sas_info->slot = slot;
590 sas_info->enclosure_logical_id = enclosure_logical_id;
591 INIT_LIST_HEAD(&sas_info->list);
592 list_add_tail(&sas_info->list, &ioc->sas_device_info_list);
593
594 /*
595 * Set OS mapping
596 */
597 shost_for_each_device(sdev, ioc->sh) {
598 starget = scsi_target(sdev);
599 rphy = dev_to_rphy(starget->dev.parent);
600 if (rphy->identify.sas_address == sas_address) {
601 sas_info->os.id = starget->id;
602 sas_info->os.channel = starget->channel;
603 }
604 }
605
606 out:
607 mutex_unlock(&ioc->sas_device_info_mutex);
608 return;
609}
610
611/**
612 * mptsas_add_device_component_by_fw -
613 * @ioc: Pointer to MPT_ADAPTER structure
614 * @channel: fw mapped id's
615 * @id:
616 *
617 **/
618static void
619mptsas_add_device_component_by_fw(MPT_ADAPTER *ioc, u8 channel, u8 id)
620{
621 struct mptsas_devinfo sas_device;
622 struct mptsas_enclosure enclosure_info;
623 int rc;
624
625 rc = mptsas_sas_device_pg0(ioc, &sas_device,
626 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
627 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
628 (channel << 8) + id);
629 if (rc)
630 return;
631
632 memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure));
633 mptsas_sas_enclosure_pg0(ioc, &enclosure_info,
634 (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE <<
635 MPI_SAS_ENCLOS_PGAD_FORM_SHIFT),
636 sas_device.handle_enclosure);
637
638 mptsas_add_device_component(ioc, sas_device.channel,
639 sas_device.id, sas_device.sas_address, sas_device.device_info,
640 sas_device.slot, enclosure_info.enclosure_logical_id);
641}
642
643/**
644 * mptsas_add_device_component_starget_ir - Handle Integrated RAID, adding each individual device to list
645 * @ioc: Pointer to MPT_ADAPTER structure
646 * @channel: fw mapped id's
647 * @id:
648 *
649 **/
650static void
651mptsas_add_device_component_starget_ir(MPT_ADAPTER *ioc,
652 struct scsi_target *starget)
653{
654 CONFIGPARMS cfg;
655 ConfigPageHeader_t hdr;
656 dma_addr_t dma_handle;
657 pRaidVolumePage0_t buffer = NULL;
658 int i;
659 RaidPhysDiskPage0_t phys_disk;
660 struct mptsas_device_info *sas_info, *next;
661
662 memset(&cfg, 0 , sizeof(CONFIGPARMS));
663 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
664 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME;
665 /* assumption that all volumes on channel = 0 */
666 cfg.pageAddr = starget->id;
667 cfg.cfghdr.hdr = &hdr;
668 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
669 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
670
671 if (mpt_config(ioc, &cfg) != 0)
672 goto out;
673
674 if (!hdr.PageLength)
675 goto out;
676
677 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
678 &dma_handle);
679
680 if (!buffer)
681 goto out;
682
683 cfg.physAddr = dma_handle;
684 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
685
686 if (mpt_config(ioc, &cfg) != 0)
687 goto out;
688
689 if (!buffer->NumPhysDisks)
690 goto out;
691
692 /*
693 * Adding entry for hidden components
694 */
695 for (i = 0; i < buffer->NumPhysDisks; i++) {
696
697 if (mpt_raid_phys_disk_pg0(ioc,
698 buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0)
699 continue;
700
701 mptsas_add_device_component_by_fw(ioc, phys_disk.PhysDiskBus,
702 phys_disk.PhysDiskID);
703
704 mutex_lock(&ioc->sas_device_info_mutex);
705 list_for_each_entry(sas_info, &ioc->sas_device_info_list,
706 list) {
707 if (!sas_info->is_logical_volume &&
708 (sas_info->fw.channel == phys_disk.PhysDiskBus &&
709 sas_info->fw.id == phys_disk.PhysDiskID)) {
710 sas_info->is_hidden_raid_component = 1;
711 sas_info->volume_id = starget->id;
712 }
713 }
714 mutex_unlock(&ioc->sas_device_info_mutex);
715
716 }
717
718 /*
719 * Delete all matching devices out of the list
720 */
721 mutex_lock(&ioc->sas_device_info_mutex);
722 list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list,
723 list) {
724 if (sas_info->is_logical_volume && sas_info->fw.id ==
725 starget->id) {
726 list_del(&sas_info->list);
727 kfree(sas_info);
728 }
729 }
730
731 sas_info = kzalloc(sizeof(struct mptsas_device_info), GFP_KERNEL);
732 if (sas_info) {
733 sas_info->fw.id = starget->id;
734 sas_info->os.id = starget->id;
735 sas_info->os.channel = starget->channel;
736 sas_info->is_logical_volume = 1;
737 INIT_LIST_HEAD(&sas_info->list);
738 list_add_tail(&sas_info->list, &ioc->sas_device_info_list);
739 }
740 mutex_unlock(&ioc->sas_device_info_mutex);
741
742 out:
743 if (buffer)
744 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
745 dma_handle);
746}
747
748/**
749 * mptsas_add_device_component_starget -
750 * @ioc: Pointer to MPT_ADAPTER structure
751 * @starget:
752 *
753 **/
754static void
755mptsas_add_device_component_starget(MPT_ADAPTER *ioc,
756 struct scsi_target *starget)
757{
758 VirtTarget *vtarget;
759 struct sas_rphy *rphy;
760 struct mptsas_phyinfo *phy_info = NULL;
761 struct mptsas_enclosure enclosure_info;
762
763 rphy = dev_to_rphy(starget->dev.parent);
764 vtarget = starget->hostdata;
765 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
766 rphy->identify.sas_address);
767 if (!phy_info)
768 return;
769
770 memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure));
771 mptsas_sas_enclosure_pg0(ioc, &enclosure_info,
772 (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE <<
773 MPI_SAS_ENCLOS_PGAD_FORM_SHIFT),
774 phy_info->attached.handle_enclosure);
775
776 mptsas_add_device_component(ioc, phy_info->attached.channel,
777 phy_info->attached.id, phy_info->attached.sas_address,
778 phy_info->attached.device_info,
779 phy_info->attached.slot, enclosure_info.enclosure_logical_id);
780}
781
782/**
783 * mptsas_del_device_component_by_os - Once a device has been removed, we mark the entry in the list as being cached
784 * @ioc: Pointer to MPT_ADAPTER structure
785 * @channel: os mapped id's
786 * @id:
787 *
788 **/
789static void
790mptsas_del_device_component_by_os(MPT_ADAPTER *ioc, u8 channel, u8 id)
791{
792 struct mptsas_device_info *sas_info, *next;
793
794 /*
795 * Set is_cached flag
796 */
797 list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list,
798 list) {
799 if (sas_info->os.channel == channel && sas_info->os.id == id)
800 sas_info->is_cached = 1;
801 }
802}
803
804/**
805 * mptsas_del_device_components - Cleaning the list
806 * @ioc: Pointer to MPT_ADAPTER structure
807 *
808 **/
809static void
810mptsas_del_device_components(MPT_ADAPTER *ioc)
811{
812 struct mptsas_device_info *sas_info, *next;
813
814 mutex_lock(&ioc->sas_device_info_mutex);
815 list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list,
816 list) {
817 list_del(&sas_info->list);
818 kfree(sas_info);
819 }
820 mutex_unlock(&ioc->sas_device_info_mutex);
821}
822
823
824/*
825 * mptsas_setup_wide_ports
826 *
827 * Updates for new and existing narrow/wide port configuration
828 * in the sas_topology
829 */
830static void
831mptsas_setup_wide_ports(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
832{
833 struct mptsas_portinfo_details * port_details;
834 struct mptsas_phyinfo *phy_info, *phy_info_cmp;
835 u64 sas_address;
836 int i, j;
837
838 mutex_lock(&ioc->sas_topology_mutex);
839
840 phy_info = port_info->phy_info;
841 for (i = 0 ; i < port_info->num_phys ; i++, phy_info++) {
842 if (phy_info->attached.handle)
843 continue;
844 port_details = phy_info->port_details;
845 if (!port_details)
846 continue;
847 if (port_details->num_phys < 2)
848 continue;
849 /*
850 * Removing a phy from a port, letting the last
851 * phy be removed by firmware events.
852 */
853 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT
854 "%s: [%p]: deleting phy = %d\n",
855 ioc->name, __func__, port_details, i));
856 port_details->num_phys--;
857 port_details->phy_bitmask &= ~ (1 << phy_info->phy_id);
858 memset(&phy_info->attached, 0, sizeof(struct mptsas_devinfo));
859 if (phy_info->phy) {
860 devtprintk(ioc, dev_printk(KERN_DEBUG,
861 &phy_info->phy->dev, MYIOC_s_FMT
862 "delete phy %d, phy-obj (0x%p)\n", ioc->name,
863 phy_info->phy_id, phy_info->phy));
864 sas_port_delete_phy(port_details->port, phy_info->phy);
865 }
866 phy_info->port_details = NULL;
867 }
868
869 /*
870 * Populate and refresh the tree
871 */
872 phy_info = port_info->phy_info;
873 for (i = 0 ; i < port_info->num_phys ; i++, phy_info++) {
874 sas_address = phy_info->attached.sas_address;
875 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "phy_id=%d sas_address=0x%018llX\n",
876 ioc->name, i, (unsigned long long)sas_address));
877 if (!sas_address)
878 continue;
879 port_details = phy_info->port_details;
880 /*
881 * Forming a port
882 */
883 if (!port_details) {
884 port_details = kzalloc(sizeof(struct
885 mptsas_portinfo_details), GFP_KERNEL);
886 if (!port_details)
887 goto out;
888 port_details->num_phys = 1;
889 port_details->port_info = port_info;
890 if (phy_info->phy_id < 64 )
891 port_details->phy_bitmask |=
892 (1 << phy_info->phy_id);
893 phy_info->sas_port_add_phy=1;
894 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\t\tForming port\n\t\t"
895 "phy_id=%d sas_address=0x%018llX\n",
896 ioc->name, i, (unsigned long long)sas_address));
897 phy_info->port_details = port_details;
898 }
899
900 if (i == port_info->num_phys - 1)
901 continue;
902 phy_info_cmp = &port_info->phy_info[i + 1];
903 for (j = i + 1 ; j < port_info->num_phys ; j++,
904 phy_info_cmp++) {
905 if (!phy_info_cmp->attached.sas_address)
906 continue;
907 if (sas_address != phy_info_cmp->attached.sas_address)
908 continue;
909 if (phy_info_cmp->port_details == port_details )
910 continue;
911 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT
912 "\t\tphy_id=%d sas_address=0x%018llX\n",
913 ioc->name, j, (unsigned long long)
914 phy_info_cmp->attached.sas_address));
915 if (phy_info_cmp->port_details) {
916 port_details->rphy =
917 mptsas_get_rphy(phy_info_cmp);
918 port_details->port =
919 mptsas_get_port(phy_info_cmp);
920 port_details->starget =
921 mptsas_get_starget(phy_info_cmp);
922 port_details->num_phys =
923 phy_info_cmp->port_details->num_phys;
924 if (!phy_info_cmp->port_details->num_phys)
925 kfree(phy_info_cmp->port_details);
926 } else
927 phy_info_cmp->sas_port_add_phy=1;
928 /*
929 * Adding a phy to a port
930 */
931 phy_info_cmp->port_details = port_details;
932 if (phy_info_cmp->phy_id < 64 )
933 port_details->phy_bitmask |=
934 (1 << phy_info_cmp->phy_id);
935 port_details->num_phys++;
936 }
937 }
938
939 out:
940
941 for (i = 0; i < port_info->num_phys; i++) {
942 port_details = port_info->phy_info[i].port_details;
943 if (!port_details)
944 continue;
945 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT
946 "%s: [%p]: phy_id=%02d num_phys=%02d "
947 "bitmask=0x%016llX\n", ioc->name, __func__,
948 port_details, i, port_details->num_phys,
949 (unsigned long long)port_details->phy_bitmask));
950 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\t\tport = %p rphy=%p\n",
951 ioc->name, port_details->port, port_details->rphy));
952 }
953 dsaswideprintk(ioc, printk("\n"));
954 mutex_unlock(&ioc->sas_topology_mutex);
955}
956
957/**
958 * csmisas_find_vtarget
959 *
960 * @ioc
961 * @volume_id
962 * @volume_bus
963 *
964 **/
965static VirtTarget *
966mptsas_find_vtarget(MPT_ADAPTER *ioc, u8 channel, u8 id)
967{
968 struct scsi_device *sdev;
969 VirtDevice *vdevice;
970 VirtTarget *vtarget = NULL;
971
972 shost_for_each_device(sdev, ioc->sh) {
973 vdevice = sdev->hostdata;
974 if ((vdevice == NULL) ||
975 (vdevice->vtarget == NULL))
976 continue;
977 if ((vdevice->vtarget->tflags &
978 MPT_TARGET_FLAGS_RAID_COMPONENT ||
979 vdevice->vtarget->raidVolume))
980 continue;
981 if (vdevice->vtarget->id == id &&
982 vdevice->vtarget->channel == channel)
983 vtarget = vdevice->vtarget;
984 }
985 return vtarget;
986}
987
988static void
989mptsas_queue_device_delete(MPT_ADAPTER *ioc,
990 MpiEventDataSasDeviceStatusChange_t *sas_event_data)
991{
992 struct fw_event_work *fw_event;
993 int sz;
994
995 sz = offsetof(struct fw_event_work, event_data) +
996 sizeof(MpiEventDataSasDeviceStatusChange_t);
997 fw_event = kzalloc(sz, GFP_ATOMIC);
998 if (!fw_event) {
999 printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n",
1000 ioc->name, __func__, __LINE__);
1001 return;
1002 }
1003 memcpy(fw_event->event_data, sas_event_data,
1004 sizeof(MpiEventDataSasDeviceStatusChange_t));
1005 fw_event->event = MPI_EVENT_SAS_DEVICE_STATUS_CHANGE;
1006 fw_event->ioc = ioc;
1007 mptsas_add_fw_event(ioc, fw_event, msecs_to_jiffies(1));
1008}
1009
1010static void
1011mptsas_queue_rescan(MPT_ADAPTER *ioc)
1012{
1013 struct fw_event_work *fw_event;
1014 int sz;
1015
1016 sz = offsetof(struct fw_event_work, event_data);
1017 fw_event = kzalloc(sz, GFP_ATOMIC);
1018 if (!fw_event) {
1019 printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n",
1020 ioc->name, __func__, __LINE__);
1021 return;
1022 }
1023 fw_event->event = -1;
1024 fw_event->ioc = ioc;
1025 mptsas_add_fw_event(ioc, fw_event, msecs_to_jiffies(1));
1026}
1027
1028
1029/**
1030 * mptsas_target_reset
1031 *
1032 * Issues TARGET_RESET to end device using handshaking method
1033 *
1034 * @ioc
1035 * @channel
1036 * @id
1037 *
1038 * Returns (1) success
1039 * (0) failure
1040 *
1041 **/
1042static int
1043mptsas_target_reset(MPT_ADAPTER *ioc, u8 channel, u8 id)
1044{
1045 MPT_FRAME_HDR *mf;
1046 SCSITaskMgmt_t *pScsiTm;
1047 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0)
1048 return 0;
1049
1050
1051 mf = mpt_get_msg_frame(mptsasDeviceResetCtx, ioc);
1052 if (mf == NULL) {
1053 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT
1054 "%s, no msg frames @%d!!\n", ioc->name,
1055 __func__, __LINE__));
1056 goto out_fail;
1057 }
1058
1059 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
1060 ioc->name, mf));
1061
1062 /* Format the Request
1063 */
1064 pScsiTm = (SCSITaskMgmt_t *) mf;
1065 memset (pScsiTm, 0, sizeof(SCSITaskMgmt_t));
1066 pScsiTm->TargetID = id;
1067 pScsiTm->Bus = channel;
1068 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1069 pScsiTm->TaskType = MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
1070 pScsiTm->MsgFlags = MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION;
1071
1072 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)mf);
1073
1074 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1075 "TaskMgmt type=%d (sas device delete) fw_channel = %d fw_id = %d)\n",
1076 ioc->name, MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET, channel, id));
1077
1078 mpt_put_msg_frame_hi_pri(mptsasDeviceResetCtx, ioc, mf);
1079
1080 return 1;
1081
1082 out_fail:
1083
1084 mpt_clear_taskmgmt_in_progress_flag(ioc);
1085 return 0;
1086}
1087
1088static void
1089mptsas_block_io_sdev(struct scsi_device *sdev, void *data)
1090{
1091 scsi_device_set_state(sdev, SDEV_BLOCK);
1092}
1093
1094static void
1095mptsas_block_io_starget(struct scsi_target *starget)
1096{
1097 if (starget)
1098 starget_for_each_device(starget, NULL, mptsas_block_io_sdev);
1099}
1100
1101/**
1102 * mptsas_target_reset_queue
1103 *
1104 * Receive request for TARGET_RESET after receiving an firmware
1105 * event NOT_RESPONDING_EVENT, then put command in link list
1106 * and queue if task_queue already in use.
1107 *
1108 * @ioc
1109 * @sas_event_data
1110 *
1111 **/
1112static void
1113mptsas_target_reset_queue(MPT_ADAPTER *ioc,
1114 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data)
1115{
1116 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
1117 VirtTarget *vtarget = NULL;
1118 struct mptsas_target_reset_event *target_reset_list;
1119 u8 id, channel;
1120
1121 id = sas_event_data->TargetID;
1122 channel = sas_event_data->Bus;
1123
1124 vtarget = mptsas_find_vtarget(ioc, channel, id);
1125 if (vtarget) {
1126 mptsas_block_io_starget(vtarget->starget);
1127 vtarget->deleted = 1; /* block IO */
1128 }
1129
1130 target_reset_list = kzalloc(sizeof(struct mptsas_target_reset_event),
1131 GFP_ATOMIC);
1132 if (!target_reset_list) {
1133 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT
1134 "%s, failed to allocate mem @%d..!!\n",
1135 ioc->name, __func__, __LINE__));
1136 return;
1137 }
1138
1139 memcpy(&target_reset_list->sas_event_data, sas_event_data,
1140 sizeof(*sas_event_data));
1141 list_add_tail(&target_reset_list->list, &hd->target_reset_list);
1142
1143 target_reset_list->time_count = jiffies;
1144
1145 if (mptsas_target_reset(ioc, channel, id)) {
1146 target_reset_list->target_reset_issued = 1;
1147 }
1148}
1149
1150/**
1151 * mptsas_schedule_target_reset- send pending target reset
1152 * @iocp: per adapter object
1153 *
1154 * This function will delete scheduled target reset from the list and
1155 * try to send next target reset. This will be called from completion
1156 * context of any Task management command.
1157 */
1158
1159void
1160mptsas_schedule_target_reset(void *iocp)
1161{
1162 MPT_ADAPTER *ioc = (MPT_ADAPTER *)(iocp);
1163 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
1164 struct list_head *head = &hd->target_reset_list;
1165 struct mptsas_target_reset_event *target_reset_list;
1166 u8 id, channel;
1167 /*
1168 * issue target reset to next device in the queue
1169 */
1170
1171 head = &hd->target_reset_list;
1172 if (list_empty(head))
1173 return;
1174
1175 target_reset_list = list_entry(head->next,
1176 struct mptsas_target_reset_event, list);
1177
1178 id = target_reset_list->sas_event_data.TargetID;
1179 channel = target_reset_list->sas_event_data.Bus;
1180 target_reset_list->time_count = jiffies;
1181
1182 if (mptsas_target_reset(ioc, channel, id))
1183 target_reset_list->target_reset_issued = 1;
1184 return;
1185}
1186
1187
1188/**
1189 * mptsas_taskmgmt_complete - complete SAS task management function
1190 * @ioc: Pointer to MPT_ADAPTER structure
1191 *
1192 * Completion for TARGET_RESET after NOT_RESPONDING_EVENT, enable work
1193 * queue to finish off removing device from upper layers. then send next
1194 * TARGET_RESET in the queue.
1195 **/
1196static int
1197mptsas_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
1198{
1199 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
1200 struct list_head *head = &hd->target_reset_list;
1201 u8 id, channel;
1202 struct mptsas_target_reset_event *target_reset_list;
1203 SCSITaskMgmtReply_t *pScsiTmReply;
1204
1205 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt completed: "
1206 "(mf = %p, mr = %p)\n", ioc->name, mf, mr));
1207
1208 pScsiTmReply = (SCSITaskMgmtReply_t *)mr;
1209 if (pScsiTmReply) {
1210 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1211 "\tTaskMgmt completed: fw_channel = %d, fw_id = %d,\n"
1212 "\ttask_type = 0x%02X, iocstatus = 0x%04X "
1213 "loginfo = 0x%08X,\n\tresponse_code = 0x%02X, "
1214 "term_cmnds = %d\n", ioc->name,
1215 pScsiTmReply->Bus, pScsiTmReply->TargetID,
1216 pScsiTmReply->TaskType,
1217 le16_to_cpu(pScsiTmReply->IOCStatus),
1218 le32_to_cpu(pScsiTmReply->IOCLogInfo),
1219 pScsiTmReply->ResponseCode,
1220 le32_to_cpu(pScsiTmReply->TerminationCount)));
1221
1222 if (pScsiTmReply->ResponseCode)
1223 mptscsih_taskmgmt_response_code(ioc,
1224 pScsiTmReply->ResponseCode);
1225 }
1226
1227 if (pScsiTmReply && (pScsiTmReply->TaskType ==
1228 MPI_SCSITASKMGMT_TASKTYPE_QUERY_TASK || pScsiTmReply->TaskType ==
1229 MPI_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET)) {
1230 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
1231 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
1232 memcpy(ioc->taskmgmt_cmds.reply, mr,
1233 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
1234 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
1235 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
1236 complete(&ioc->taskmgmt_cmds.done);
1237 return 1;
1238 }
1239 return 0;
1240 }
1241
1242 mpt_clear_taskmgmt_in_progress_flag(ioc);
1243
1244 if (list_empty(head))
1245 return 1;
1246
1247 target_reset_list = list_entry(head->next,
1248 struct mptsas_target_reset_event, list);
1249
1250 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1251 "TaskMgmt: completed (%d seconds)\n",
1252 ioc->name, jiffies_to_msecs(jiffies -
1253 target_reset_list->time_count)/1000));
1254
1255 id = pScsiTmReply->TargetID;
1256 channel = pScsiTmReply->Bus;
1257 target_reset_list->time_count = jiffies;
1258
1259 /*
1260 * retry target reset
1261 */
1262 if (!target_reset_list->target_reset_issued) {
1263 if (mptsas_target_reset(ioc, channel, id))
1264 target_reset_list->target_reset_issued = 1;
1265 return 1;
1266 }
1267
1268 /*
1269 * enable work queue to remove device from upper layers
1270 */
1271 list_del(&target_reset_list->list);
1272 if (!ioc->fw_events_off)
1273 mptsas_queue_device_delete(ioc,
1274 &target_reset_list->sas_event_data);
1275
1276
1277 ioc->schedule_target_reset(ioc);
1278
1279 return 1;
1280}
1281
1282/**
1283 * mptscsih_ioc_reset
1284 *
1285 * @ioc
1286 * @reset_phase
1287 *
1288 **/
1289static int
1290mptsas_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
1291{
1292 MPT_SCSI_HOST *hd;
1293 int rc;
1294
1295 rc = mptscsih_ioc_reset(ioc, reset_phase);
1296 if ((ioc->bus_type != SAS) || (!rc))
1297 return rc;
1298
1299 hd = shost_priv(ioc->sh);
1300 if (!hd->ioc)
1301 goto out;
1302
1303 switch (reset_phase) {
1304 case MPT_IOC_SETUP_RESET:
1305 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1306 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
1307 mptsas_fw_event_off(ioc);
1308 break;
1309 case MPT_IOC_PRE_RESET:
1310 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1311 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
1312 break;
1313 case MPT_IOC_POST_RESET:
1314 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1315 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
1316 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_PENDING) {
1317 ioc->sas_mgmt.status |= MPT_MGMT_STATUS_DID_IOCRESET;
1318 complete(&ioc->sas_mgmt.done);
1319 }
1320 mptsas_cleanup_fw_event_q(ioc);
1321 mptsas_queue_rescan(ioc);
1322 break;
1323 default:
1324 break;
1325 }
1326
1327 out:
1328 return rc;
1329}
1330
1331
1332/**
1333 * enum device_state -
1334 * @DEVICE_RETRY: need to retry the TUR
1335 * @DEVICE_ERROR: TUR return error, don't add device
1336 * @DEVICE_READY: device can be added
1337 *
1338 */
1339enum device_state{
1340 DEVICE_RETRY,
1341 DEVICE_ERROR,
1342 DEVICE_READY,
1343};
1344
1345static int
1346mptsas_sas_enclosure_pg0(MPT_ADAPTER *ioc, struct mptsas_enclosure *enclosure,
1347 u32 form, u32 form_specific)
1348{
1349 ConfigExtendedPageHeader_t hdr;
1350 CONFIGPARMS cfg;
1351 SasEnclosurePage0_t *buffer;
1352 dma_addr_t dma_handle;
1353 int error;
1354 __le64 le_identifier;
1355
1356 memset(&hdr, 0, sizeof(hdr));
1357 hdr.PageVersion = MPI_SASENCLOSURE0_PAGEVERSION;
1358 hdr.PageNumber = 0;
1359 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
1360 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_ENCLOSURE;
1361
1362 cfg.cfghdr.ehdr = &hdr;
1363 cfg.physAddr = -1;
1364 cfg.pageAddr = form + form_specific;
1365 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
1366 cfg.dir = 0; /* read */
1367 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
1368
1369 error = mpt_config(ioc, &cfg);
1370 if (error)
1371 goto out;
1372 if (!hdr.ExtPageLength) {
1373 error = -ENXIO;
1374 goto out;
1375 }
1376
1377 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
1378 &dma_handle);
1379 if (!buffer) {
1380 error = -ENOMEM;
1381 goto out;
1382 }
1383
1384 cfg.physAddr = dma_handle;
1385 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
1386
1387 error = mpt_config(ioc, &cfg);
1388 if (error)
1389 goto out_free_consistent;
1390
1391 /* save config data */
1392 memcpy(&le_identifier, &buffer->EnclosureLogicalID, sizeof(__le64));
1393 enclosure->enclosure_logical_id = le64_to_cpu(le_identifier);
1394 enclosure->enclosure_handle = le16_to_cpu(buffer->EnclosureHandle);
1395 enclosure->flags = le16_to_cpu(buffer->Flags);
1396 enclosure->num_slot = le16_to_cpu(buffer->NumSlots);
1397 enclosure->start_slot = le16_to_cpu(buffer->StartSlot);
1398 enclosure->start_id = buffer->StartTargetID;
1399 enclosure->start_channel = buffer->StartBus;
1400 enclosure->sep_id = buffer->SEPTargetID;
1401 enclosure->sep_channel = buffer->SEPBus;
1402
1403 out_free_consistent:
1404 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
1405 buffer, dma_handle);
1406 out:
1407 return error;
1408}
1409
1410/**
1411 * mptsas_add_end_device - report a new end device to sas transport layer
1412 * @ioc: Pointer to MPT_ADAPTER structure
1413 * @phy_info: describes attached device
1414 *
1415 * return (0) success (1) failure
1416 *
1417 **/
1418static int
1419mptsas_add_end_device(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info)
1420{
1421 struct sas_rphy *rphy;
1422 struct sas_port *port;
1423 struct sas_identify identify;
1424 char *ds = NULL;
1425 u8 fw_id;
1426
1427 if (!phy_info) {
1428 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1429 "%s: exit at line=%d\n", ioc->name,
1430 __func__, __LINE__));
1431 return 1;
1432 }
1433
1434 fw_id = phy_info->attached.id;
1435
1436 if (mptsas_get_rphy(phy_info)) {
1437 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1438 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1439 __func__, fw_id, __LINE__));
1440 return 2;
1441 }
1442
1443 port = mptsas_get_port(phy_info);
1444 if (!port) {
1445 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1446 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1447 __func__, fw_id, __LINE__));
1448 return 3;
1449 }
1450
1451 if (phy_info->attached.device_info &
1452 MPI_SAS_DEVICE_INFO_SSP_TARGET)
1453 ds = "ssp";
1454 if (phy_info->attached.device_info &
1455 MPI_SAS_DEVICE_INFO_STP_TARGET)
1456 ds = "stp";
1457 if (phy_info->attached.device_info &
1458 MPI_SAS_DEVICE_INFO_SATA_DEVICE)
1459 ds = "sata";
1460
1461 printk(MYIOC_s_INFO_FMT "attaching %s device: fw_channel %d, fw_id %d,"
1462 " phy %d, sas_addr 0x%llx\n", ioc->name, ds,
1463 phy_info->attached.channel, phy_info->attached.id,
1464 phy_info->attached.phy_id, (unsigned long long)
1465 phy_info->attached.sas_address);
1466
1467 mptsas_parse_device_info(&identify, &phy_info->attached);
1468 rphy = sas_end_device_alloc(port);
1469 if (!rphy) {
1470 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1471 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1472 __func__, fw_id, __LINE__));
1473 return 5; /* non-fatal: an rphy can be added later */
1474 }
1475
1476 rphy->identify = identify;
1477 if (sas_rphy_add(rphy)) {
1478 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1479 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1480 __func__, fw_id, __LINE__));
1481 sas_rphy_free(rphy);
1482 return 6;
1483 }
1484 mptsas_set_rphy(ioc, phy_info, rphy);
1485 return 0;
1486}
1487
1488/**
1489 * mptsas_del_end_device - report a deleted end device to sas transport layer
1490 * @ioc: Pointer to MPT_ADAPTER structure
1491 * @phy_info: describes attached device
1492 *
1493 **/
1494static void
1495mptsas_del_end_device(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info)
1496{
1497 struct sas_rphy *rphy;
1498 struct sas_port *port;
1499 struct mptsas_portinfo *port_info;
1500 struct mptsas_phyinfo *phy_info_parent;
1501 int i;
1502 char *ds = NULL;
1503 u8 fw_id;
1504 u64 sas_address;
1505
1506 if (!phy_info)
1507 return;
1508
1509 fw_id = phy_info->attached.id;
1510 sas_address = phy_info->attached.sas_address;
1511
1512 if (!phy_info->port_details) {
1513 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1514 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1515 __func__, fw_id, __LINE__));
1516 return;
1517 }
1518 rphy = mptsas_get_rphy(phy_info);
1519 if (!rphy) {
1520 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1521 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1522 __func__, fw_id, __LINE__));
1523 return;
1524 }
1525
1526 if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_SSP_INITIATOR
1527 || phy_info->attached.device_info
1528 & MPI_SAS_DEVICE_INFO_SMP_INITIATOR
1529 || phy_info->attached.device_info
1530 & MPI_SAS_DEVICE_INFO_STP_INITIATOR)
1531 ds = "initiator";
1532 if (phy_info->attached.device_info &
1533 MPI_SAS_DEVICE_INFO_SSP_TARGET)
1534 ds = "ssp";
1535 if (phy_info->attached.device_info &
1536 MPI_SAS_DEVICE_INFO_STP_TARGET)
1537 ds = "stp";
1538 if (phy_info->attached.device_info &
1539 MPI_SAS_DEVICE_INFO_SATA_DEVICE)
1540 ds = "sata";
1541
1542 dev_printk(KERN_DEBUG, &rphy->dev, MYIOC_s_FMT
1543 "removing %s device: fw_channel %d, fw_id %d, phy %d,"
1544 "sas_addr 0x%llx\n", ioc->name, ds, phy_info->attached.channel,
1545 phy_info->attached.id, phy_info->attached.phy_id,
1546 (unsigned long long) sas_address);
1547
1548 port = mptsas_get_port(phy_info);
1549 if (!port) {
1550 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1551 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1552 __func__, fw_id, __LINE__));
1553 return;
1554 }
1555 port_info = phy_info->portinfo;
1556 phy_info_parent = port_info->phy_info;
1557 for (i = 0; i < port_info->num_phys; i++, phy_info_parent++) {
1558 if (!phy_info_parent->phy)
1559 continue;
1560 if (phy_info_parent->attached.sas_address !=
1561 sas_address)
1562 continue;
1563 dev_printk(KERN_DEBUG, &phy_info_parent->phy->dev,
1564 MYIOC_s_FMT "delete phy %d, phy-obj (0x%p)\n",
1565 ioc->name, phy_info_parent->phy_id,
1566 phy_info_parent->phy);
1567 sas_port_delete_phy(port, phy_info_parent->phy);
1568 }
1569
1570 dev_printk(KERN_DEBUG, &port->dev, MYIOC_s_FMT
1571 "delete port %d, sas_addr (0x%llx)\n", ioc->name,
1572 port->port_identifier, (unsigned long long)sas_address);
1573 sas_port_delete(port);
1574 mptsas_set_port(ioc, phy_info, NULL);
1575 mptsas_port_delete(ioc, phy_info->port_details);
1576}
1577
1578struct mptsas_phyinfo *
1579mptsas_refreshing_device_handles(MPT_ADAPTER *ioc,
1580 struct mptsas_devinfo *sas_device)
1581{
1582 struct mptsas_phyinfo *phy_info;
1583 struct mptsas_portinfo *port_info;
1584 int i;
1585
1586 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
1587 sas_device->sas_address);
1588 if (!phy_info)
1589 goto out;
1590 port_info = phy_info->portinfo;
1591 if (!port_info)
1592 goto out;
1593 mutex_lock(&ioc->sas_topology_mutex);
1594 for (i = 0; i < port_info->num_phys; i++) {
1595 if (port_info->phy_info[i].attached.sas_address !=
1596 sas_device->sas_address)
1597 continue;
1598 port_info->phy_info[i].attached.channel = sas_device->channel;
1599 port_info->phy_info[i].attached.id = sas_device->id;
1600 port_info->phy_info[i].attached.sas_address =
1601 sas_device->sas_address;
1602 port_info->phy_info[i].attached.handle = sas_device->handle;
1603 port_info->phy_info[i].attached.handle_parent =
1604 sas_device->handle_parent;
1605 port_info->phy_info[i].attached.handle_enclosure =
1606 sas_device->handle_enclosure;
1607 }
1608 mutex_unlock(&ioc->sas_topology_mutex);
1609 out:
1610 return phy_info;
1611}
1612
1613/**
1614 * mptsas_firmware_event_work - work thread for processing fw events
1615 * @work: work queue payload containing info describing the event
1616 * Context: user
1617 *
1618 */
1619static void
1620mptsas_firmware_event_work(struct work_struct *work)
1621{
1622 struct fw_event_work *fw_event =
1623 container_of(work, struct fw_event_work, work.work);
1624 MPT_ADAPTER *ioc = fw_event->ioc;
1625
1626 /* special rescan topology handling */
1627 if (fw_event->event == -1) {
1628 if (ioc->in_rescan) {
1629 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1630 "%s: rescan ignored as it is in progress\n",
1631 ioc->name, __func__));
1632 return;
1633 }
1634 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: rescan after "
1635 "reset\n", ioc->name, __func__));
1636 ioc->in_rescan = 1;
1637 mptsas_not_responding_devices(ioc);
1638 mptsas_scan_sas_topology(ioc);
1639 ioc->in_rescan = 0;
1640 mptsas_free_fw_event(ioc, fw_event);
1641 mptsas_fw_event_on(ioc);
1642 return;
1643 }
1644
1645 /* events handling turned off during host reset */
1646 if (ioc->fw_events_off) {
1647 mptsas_free_fw_event(ioc, fw_event);
1648 return;
1649 }
1650
1651 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: fw_event=(0x%p), "
1652 "event = (0x%02x)\n", ioc->name, __func__, fw_event,
1653 (fw_event->event & 0xFF)));
1654
1655 switch (fw_event->event) {
1656 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
1657 mptsas_send_sas_event(fw_event);
1658 break;
1659 case MPI_EVENT_INTEGRATED_RAID:
1660 mptsas_send_raid_event(fw_event);
1661 break;
1662 case MPI_EVENT_IR2:
1663 mptsas_send_ir2_event(fw_event);
1664 break;
1665 case MPI_EVENT_PERSISTENT_TABLE_FULL:
1666 mptbase_sas_persist_operation(ioc,
1667 MPI_SAS_OP_CLEAR_NOT_PRESENT);
1668 mptsas_free_fw_event(ioc, fw_event);
1669 break;
1670 case MPI_EVENT_SAS_BROADCAST_PRIMITIVE:
1671 mptsas_broadcast_primative_work(fw_event);
1672 break;
1673 case MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE:
1674 mptsas_send_expander_event(fw_event);
1675 break;
1676 case MPI_EVENT_SAS_PHY_LINK_STATUS:
1677 mptsas_send_link_status_event(fw_event);
1678 break;
1679 case MPI_EVENT_QUEUE_FULL:
1680 mptsas_handle_queue_full_event(fw_event);
1681 break;
1682 }
1683}
1684
1685
1686
1687static int
1688mptsas_slave_configure(struct scsi_device *sdev)
1689{
1690 struct Scsi_Host *host = sdev->host;
1691 MPT_SCSI_HOST *hd = shost_priv(host);
1692 MPT_ADAPTER *ioc = hd->ioc;
1693 VirtDevice *vdevice = sdev->hostdata;
1694
1695 if (vdevice->vtarget->deleted) {
1696 sdev_printk(KERN_INFO, sdev, "clearing deleted flag\n");
1697 vdevice->vtarget->deleted = 0;
1698 }
1699
1700 /*
1701 * RAID volumes placed beyond the last expected port.
1702 * Ignore sending sas mode pages in that case..
1703 */
1704 if (sdev->channel == MPTSAS_RAID_CHANNEL) {
1705 mptsas_add_device_component_starget_ir(ioc, scsi_target(sdev));
1706 goto out;
1707 }
1708
1709 sas_read_port_mode_page(sdev);
1710
1711 mptsas_add_device_component_starget(ioc, scsi_target(sdev));
1712
1713 out:
1714 return mptscsih_slave_configure(sdev);
1715}
1716
1717static int
1718mptsas_target_alloc(struct scsi_target *starget)
1719{
1720 struct Scsi_Host *host = dev_to_shost(&starget->dev);
1721 MPT_SCSI_HOST *hd = shost_priv(host);
1722 VirtTarget *vtarget;
1723 u8 id, channel;
1724 struct sas_rphy *rphy;
1725 struct mptsas_portinfo *p;
1726 int i;
1727 MPT_ADAPTER *ioc = hd->ioc;
1728
1729 vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL);
1730 if (!vtarget)
1731 return -ENOMEM;
1732
1733 vtarget->starget = starget;
1734 vtarget->ioc_id = ioc->id;
1735 vtarget->tflags = MPT_TARGET_FLAGS_Q_YES;
1736 id = starget->id;
1737 channel = 0;
1738
1739 /*
1740 * RAID volumes placed beyond the last expected port.
1741 */
1742 if (starget->channel == MPTSAS_RAID_CHANNEL) {
1743 if (!ioc->raid_data.pIocPg2) {
1744 kfree(vtarget);
1745 return -ENXIO;
1746 }
1747 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
1748 if (id == ioc->raid_data.pIocPg2->
1749 RaidVolume[i].VolumeID) {
1750 channel = ioc->raid_data.pIocPg2->
1751 RaidVolume[i].VolumeBus;
1752 }
1753 }
1754 vtarget->raidVolume = 1;
1755 goto out;
1756 }
1757
1758 rphy = dev_to_rphy(starget->dev.parent);
1759 mutex_lock(&ioc->sas_topology_mutex);
1760 list_for_each_entry(p, &ioc->sas_topology, list) {
1761 for (i = 0; i < p->num_phys; i++) {
1762 if (p->phy_info[i].attached.sas_address !=
1763 rphy->identify.sas_address)
1764 continue;
1765 id = p->phy_info[i].attached.id;
1766 channel = p->phy_info[i].attached.channel;
1767 mptsas_set_starget(&p->phy_info[i], starget);
1768
1769 /*
1770 * Exposing hidden raid components
1771 */
1772 if (mptscsih_is_phys_disk(ioc, channel, id)) {
1773 id = mptscsih_raid_id_to_num(ioc,
1774 channel, id);
1775 vtarget->tflags |=
1776 MPT_TARGET_FLAGS_RAID_COMPONENT;
1777 p->phy_info[i].attached.phys_disk_num = id;
1778 }
1779 mutex_unlock(&ioc->sas_topology_mutex);
1780 goto out;
1781 }
1782 }
1783 mutex_unlock(&ioc->sas_topology_mutex);
1784
1785 kfree(vtarget);
1786 return -ENXIO;
1787
1788 out:
1789 vtarget->id = id;
1790 vtarget->channel = channel;
1791 starget->hostdata = vtarget;
1792 return 0;
1793}
1794
1795static void
1796mptsas_target_destroy(struct scsi_target *starget)
1797{
1798 struct Scsi_Host *host = dev_to_shost(&starget->dev);
1799 MPT_SCSI_HOST *hd = shost_priv(host);
1800 struct sas_rphy *rphy;
1801 struct mptsas_portinfo *p;
1802 int i;
1803 MPT_ADAPTER *ioc = hd->ioc;
1804 VirtTarget *vtarget;
1805
1806 if (!starget->hostdata)
1807 return;
1808
1809 vtarget = starget->hostdata;
1810
1811 mptsas_del_device_component_by_os(ioc, starget->channel,
1812 starget->id);
1813
1814
1815 if (starget->channel == MPTSAS_RAID_CHANNEL)
1816 goto out;
1817
1818 rphy = dev_to_rphy(starget->dev.parent);
1819 list_for_each_entry(p, &ioc->sas_topology, list) {
1820 for (i = 0; i < p->num_phys; i++) {
1821 if (p->phy_info[i].attached.sas_address !=
1822 rphy->identify.sas_address)
1823 continue;
1824
1825 starget_printk(KERN_INFO, starget, MYIOC_s_FMT
1826 "delete device: fw_channel %d, fw_id %d, phy %d, "
1827 "sas_addr 0x%llx\n", ioc->name,
1828 p->phy_info[i].attached.channel,
1829 p->phy_info[i].attached.id,
1830 p->phy_info[i].attached.phy_id, (unsigned long long)
1831 p->phy_info[i].attached.sas_address);
1832
1833 mptsas_set_starget(&p->phy_info[i], NULL);
1834 }
1835 }
1836
1837 out:
1838 vtarget->starget = NULL;
1839 kfree(starget->hostdata);
1840 starget->hostdata = NULL;
1841}
1842
1843
1844static int
1845mptsas_slave_alloc(struct scsi_device *sdev)
1846{
1847 struct Scsi_Host *host = sdev->host;
1848 MPT_SCSI_HOST *hd = shost_priv(host);
1849 struct sas_rphy *rphy;
1850 struct mptsas_portinfo *p;
1851 VirtDevice *vdevice;
1852 struct scsi_target *starget;
1853 int i;
1854 MPT_ADAPTER *ioc = hd->ioc;
1855
1856 vdevice = kzalloc(sizeof(VirtDevice), GFP_KERNEL);
1857 if (!vdevice) {
1858 printk(MYIOC_s_ERR_FMT "slave_alloc kzalloc(%zd) FAILED!\n",
1859 ioc->name, sizeof(VirtDevice));
1860 return -ENOMEM;
1861 }
1862 starget = scsi_target(sdev);
1863 vdevice->vtarget = starget->hostdata;
1864
1865 if (sdev->channel == MPTSAS_RAID_CHANNEL)
1866 goto out;
1867
1868 rphy = dev_to_rphy(sdev->sdev_target->dev.parent);
1869 mutex_lock(&ioc->sas_topology_mutex);
1870 list_for_each_entry(p, &ioc->sas_topology, list) {
1871 for (i = 0; i < p->num_phys; i++) {
1872 if (p->phy_info[i].attached.sas_address !=
1873 rphy->identify.sas_address)
1874 continue;
1875 vdevice->lun = sdev->lun;
1876 /*
1877 * Exposing hidden raid components
1878 */
1879 if (mptscsih_is_phys_disk(ioc,
1880 p->phy_info[i].attached.channel,
1881 p->phy_info[i].attached.id))
1882 sdev->no_uld_attach = 1;
1883 mutex_unlock(&ioc->sas_topology_mutex);
1884 goto out;
1885 }
1886 }
1887 mutex_unlock(&ioc->sas_topology_mutex);
1888
1889 kfree(vdevice);
1890 return -ENXIO;
1891
1892 out:
1893 vdevice->vtarget->num_luns++;
1894 sdev->hostdata = vdevice;
1895 return 0;
1896}
1897
1898static int
1899mptsas_qcmd_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
1900{
1901 MPT_SCSI_HOST *hd;
1902 MPT_ADAPTER *ioc;
1903 VirtDevice *vdevice = SCpnt->device->hostdata;
1904
1905 if (!vdevice || !vdevice->vtarget || vdevice->vtarget->deleted) {
1906 SCpnt->result = DID_NO_CONNECT << 16;
1907 done(SCpnt);
1908 return 0;
1909 }
1910
1911 hd = shost_priv(SCpnt->device->host);
1912 ioc = hd->ioc;
1913
1914 if (ioc->sas_discovery_quiesce_io)
1915 return SCSI_MLQUEUE_HOST_BUSY;
1916
1917 if (ioc->debug_level & MPT_DEBUG_SCSI)
1918 scsi_print_command(SCpnt);
1919
1920 return mptscsih_qcmd(SCpnt,done);
1921}
1922
1923static DEF_SCSI_QCMD(mptsas_qcmd)
1924
1925/**
1926 * mptsas_mptsas_eh_timed_out - resets the scsi_cmnd timeout
1927 * if the device under question is currently in the
1928 * device removal delay.
1929 * @sc: scsi command that the midlayer is about to time out
1930 *
1931 **/
1932static enum blk_eh_timer_return mptsas_eh_timed_out(struct scsi_cmnd *sc)
1933{
1934 MPT_SCSI_HOST *hd;
1935 MPT_ADAPTER *ioc;
1936 VirtDevice *vdevice;
1937 enum blk_eh_timer_return rc = BLK_EH_NOT_HANDLED;
1938
1939 hd = shost_priv(sc->device->host);
1940 if (hd == NULL) {
1941 printk(KERN_ERR MYNAM ": %s: Can't locate host! (sc=%p)\n",
1942 __func__, sc);
1943 goto done;
1944 }
1945
1946 ioc = hd->ioc;
1947 if (ioc->bus_type != SAS) {
1948 printk(KERN_ERR MYNAM ": %s: Wrong bus type (sc=%p)\n",
1949 __func__, sc);
1950 goto done;
1951 }
1952
1953 /* In case if IOC is in reset from internal context.
1954 * Do not execute EEH for the same IOC. SML should to reset timer.
1955 */
1956 if (ioc->ioc_reset_in_progress) {
1957 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT ": %s: ioc is in reset,"
1958 "SML need to reset the timer (sc=%p)\n",
1959 ioc->name, __func__, sc));
1960 rc = BLK_EH_RESET_TIMER;
1961 }
1962 vdevice = sc->device->hostdata;
1963 if (vdevice && vdevice->vtarget && (vdevice->vtarget->inDMD
1964 || vdevice->vtarget->deleted)) {
1965 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT ": %s: target removed "
1966 "or in device removal delay (sc=%p)\n",
1967 ioc->name, __func__, sc));
1968 rc = BLK_EH_RESET_TIMER;
1969 goto done;
1970 }
1971
1972done:
1973 return rc;
1974}
1975
1976
1977static struct scsi_host_template mptsas_driver_template = {
1978 .module = THIS_MODULE,
1979 .proc_name = "mptsas",
1980 .show_info = mptscsih_show_info,
1981 .name = "MPT SAS Host",
1982 .info = mptscsih_info,
1983 .queuecommand = mptsas_qcmd,
1984 .target_alloc = mptsas_target_alloc,
1985 .slave_alloc = mptsas_slave_alloc,
1986 .slave_configure = mptsas_slave_configure,
1987 .target_destroy = mptsas_target_destroy,
1988 .slave_destroy = mptscsih_slave_destroy,
1989 .change_queue_depth = mptscsih_change_queue_depth,
1990 .eh_abort_handler = mptscsih_abort,
1991 .eh_device_reset_handler = mptscsih_dev_reset,
1992 .eh_host_reset_handler = mptscsih_host_reset,
1993 .bios_param = mptscsih_bios_param,
1994 .can_queue = MPT_SAS_CAN_QUEUE,
1995 .this_id = -1,
1996 .sg_tablesize = MPT_SCSI_SG_DEPTH,
1997 .max_sectors = 8192,
1998 .cmd_per_lun = 7,
1999 .use_clustering = ENABLE_CLUSTERING,
2000 .shost_attrs = mptscsih_host_attrs,
2001};
2002
2003static int mptsas_get_linkerrors(struct sas_phy *phy)
2004{
2005 MPT_ADAPTER *ioc = phy_to_ioc(phy);
2006 ConfigExtendedPageHeader_t hdr;
2007 CONFIGPARMS cfg;
2008 SasPhyPage1_t *buffer;
2009 dma_addr_t dma_handle;
2010 int error;
2011
2012 /* FIXME: only have link errors on local phys */
2013 if (!scsi_is_sas_phy_local(phy))
2014 return -EINVAL;
2015
2016 hdr.PageVersion = MPI_SASPHY1_PAGEVERSION;
2017 hdr.ExtPageLength = 0;
2018 hdr.PageNumber = 1 /* page number 1*/;
2019 hdr.Reserved1 = 0;
2020 hdr.Reserved2 = 0;
2021 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2022 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY;
2023
2024 cfg.cfghdr.ehdr = &hdr;
2025 cfg.physAddr = -1;
2026 cfg.pageAddr = phy->identify.phy_identifier;
2027 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2028 cfg.dir = 0; /* read */
2029 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2030
2031 error = mpt_config(ioc, &cfg);
2032 if (error)
2033 return error;
2034 if (!hdr.ExtPageLength)
2035 return -ENXIO;
2036
2037 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2038 &dma_handle);
2039 if (!buffer)
2040 return -ENOMEM;
2041
2042 cfg.physAddr = dma_handle;
2043 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2044
2045 error = mpt_config(ioc, &cfg);
2046 if (error)
2047 goto out_free_consistent;
2048
2049 mptsas_print_phy_pg1(ioc, buffer);
2050
2051 phy->invalid_dword_count = le32_to_cpu(buffer->InvalidDwordCount);
2052 phy->running_disparity_error_count =
2053 le32_to_cpu(buffer->RunningDisparityErrorCount);
2054 phy->loss_of_dword_sync_count =
2055 le32_to_cpu(buffer->LossDwordSynchCount);
2056 phy->phy_reset_problem_count =
2057 le32_to_cpu(buffer->PhyResetProblemCount);
2058
2059 out_free_consistent:
2060 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2061 buffer, dma_handle);
2062 return error;
2063}
2064
2065static int mptsas_mgmt_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2066 MPT_FRAME_HDR *reply)
2067{
2068 ioc->sas_mgmt.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2069 if (reply != NULL) {
2070 ioc->sas_mgmt.status |= MPT_MGMT_STATUS_RF_VALID;
2071 memcpy(ioc->sas_mgmt.reply, reply,
2072 min(ioc->reply_sz, 4 * reply->u.reply.MsgLength));
2073 }
2074
2075 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_PENDING) {
2076 ioc->sas_mgmt.status &= ~MPT_MGMT_STATUS_PENDING;
2077 complete(&ioc->sas_mgmt.done);
2078 return 1;
2079 }
2080 return 0;
2081}
2082
2083static int mptsas_phy_reset(struct sas_phy *phy, int hard_reset)
2084{
2085 MPT_ADAPTER *ioc = phy_to_ioc(phy);
2086 SasIoUnitControlRequest_t *req;
2087 SasIoUnitControlReply_t *reply;
2088 MPT_FRAME_HDR *mf;
2089 MPIHeader_t *hdr;
2090 unsigned long timeleft;
2091 int error = -ERESTARTSYS;
2092
2093 /* FIXME: fusion doesn't allow non-local phy reset */
2094 if (!scsi_is_sas_phy_local(phy))
2095 return -EINVAL;
2096
2097 /* not implemented for expanders */
2098 if (phy->identify.target_port_protocols & SAS_PROTOCOL_SMP)
2099 return -ENXIO;
2100
2101 if (mutex_lock_interruptible(&ioc->sas_mgmt.mutex))
2102 goto out;
2103
2104 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
2105 if (!mf) {
2106 error = -ENOMEM;
2107 goto out_unlock;
2108 }
2109
2110 hdr = (MPIHeader_t *) mf;
2111 req = (SasIoUnitControlRequest_t *)mf;
2112 memset(req, 0, sizeof(SasIoUnitControlRequest_t));
2113 req->Function = MPI_FUNCTION_SAS_IO_UNIT_CONTROL;
2114 req->MsgContext = hdr->MsgContext;
2115 req->Operation = hard_reset ?
2116 MPI_SAS_OP_PHY_HARD_RESET : MPI_SAS_OP_PHY_LINK_RESET;
2117 req->PhyNum = phy->identify.phy_identifier;
2118
2119 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status)
2120 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
2121
2122 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done,
2123 10 * HZ);
2124 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2125 error = -ETIME;
2126 mpt_free_msg_frame(ioc, mf);
2127 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
2128 goto out_unlock;
2129 if (!timeleft)
2130 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2131 goto out_unlock;
2132 }
2133
2134 /* a reply frame is expected */
2135 if ((ioc->sas_mgmt.status &
2136 MPT_MGMT_STATUS_RF_VALID) == 0) {
2137 error = -ENXIO;
2138 goto out_unlock;
2139 }
2140
2141 /* process the completed Reply Message Frame */
2142 reply = (SasIoUnitControlReply_t *)ioc->sas_mgmt.reply;
2143 if (reply->IOCStatus != MPI_IOCSTATUS_SUCCESS) {
2144 printk(MYIOC_s_INFO_FMT "%s: IOCStatus=0x%X IOCLogInfo=0x%X\n",
2145 ioc->name, __func__, reply->IOCStatus, reply->IOCLogInfo);
2146 error = -ENXIO;
2147 goto out_unlock;
2148 }
2149
2150 error = 0;
2151
2152 out_unlock:
2153 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status)
2154 mutex_unlock(&ioc->sas_mgmt.mutex);
2155 out:
2156 return error;
2157}
2158
2159static int
2160mptsas_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier)
2161{
2162 MPT_ADAPTER *ioc = rphy_to_ioc(rphy);
2163 int i, error;
2164 struct mptsas_portinfo *p;
2165 struct mptsas_enclosure enclosure_info;
2166 u64 enclosure_handle;
2167
2168 mutex_lock(&ioc->sas_topology_mutex);
2169 list_for_each_entry(p, &ioc->sas_topology, list) {
2170 for (i = 0; i < p->num_phys; i++) {
2171 if (p->phy_info[i].attached.sas_address ==
2172 rphy->identify.sas_address) {
2173 enclosure_handle = p->phy_info[i].
2174 attached.handle_enclosure;
2175 goto found_info;
2176 }
2177 }
2178 }
2179 mutex_unlock(&ioc->sas_topology_mutex);
2180 return -ENXIO;
2181
2182 found_info:
2183 mutex_unlock(&ioc->sas_topology_mutex);
2184 memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure));
2185 error = mptsas_sas_enclosure_pg0(ioc, &enclosure_info,
2186 (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE <<
2187 MPI_SAS_ENCLOS_PGAD_FORM_SHIFT), enclosure_handle);
2188 if (!error)
2189 *identifier = enclosure_info.enclosure_logical_id;
2190 return error;
2191}
2192
2193static int
2194mptsas_get_bay_identifier(struct sas_rphy *rphy)
2195{
2196 MPT_ADAPTER *ioc = rphy_to_ioc(rphy);
2197 struct mptsas_portinfo *p;
2198 int i, rc;
2199
2200 mutex_lock(&ioc->sas_topology_mutex);
2201 list_for_each_entry(p, &ioc->sas_topology, list) {
2202 for (i = 0; i < p->num_phys; i++) {
2203 if (p->phy_info[i].attached.sas_address ==
2204 rphy->identify.sas_address) {
2205 rc = p->phy_info[i].attached.slot;
2206 goto out;
2207 }
2208 }
2209 }
2210 rc = -ENXIO;
2211 out:
2212 mutex_unlock(&ioc->sas_topology_mutex);
2213 return rc;
2214}
2215
2216static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
2217 struct request *req)
2218{
2219 MPT_ADAPTER *ioc = ((MPT_SCSI_HOST *) shost->hostdata)->ioc;
2220 MPT_FRAME_HDR *mf;
2221 SmpPassthroughRequest_t *smpreq;
2222 struct request *rsp = req->next_rq;
2223 int ret;
2224 int flagsLength;
2225 unsigned long timeleft;
2226 char *psge;
2227 dma_addr_t dma_addr_in = 0;
2228 dma_addr_t dma_addr_out = 0;
2229 u64 sas_address = 0;
2230
2231 if (!rsp) {
2232 printk(MYIOC_s_ERR_FMT "%s: the smp response space is missing\n",
2233 ioc->name, __func__);
2234 return -EINVAL;
2235 }
2236
2237 /* do we need to support multiple segments? */
2238 if (bio_multiple_segments(req->bio) ||
2239 bio_multiple_segments(rsp->bio)) {
2240 printk(MYIOC_s_ERR_FMT "%s: multiple segments req %u, rsp %u\n",
2241 ioc->name, __func__, blk_rq_bytes(req), blk_rq_bytes(rsp));
2242 return -EINVAL;
2243 }
2244
2245 ret = mutex_lock_interruptible(&ioc->sas_mgmt.mutex);
2246 if (ret)
2247 goto out;
2248
2249 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
2250 if (!mf) {
2251 ret = -ENOMEM;
2252 goto out_unlock;
2253 }
2254
2255 smpreq = (SmpPassthroughRequest_t *)mf;
2256 memset(smpreq, 0, sizeof(*smpreq));
2257
2258 smpreq->RequestDataLength = cpu_to_le16(blk_rq_bytes(req) - 4);
2259 smpreq->Function = MPI_FUNCTION_SMP_PASSTHROUGH;
2260
2261 if (rphy)
2262 sas_address = rphy->identify.sas_address;
2263 else {
2264 struct mptsas_portinfo *port_info;
2265
2266 mutex_lock(&ioc->sas_topology_mutex);
2267 port_info = ioc->hba_port_info;
2268 if (port_info && port_info->phy_info)
2269 sas_address =
2270 port_info->phy_info[0].phy->identify.sas_address;
2271 mutex_unlock(&ioc->sas_topology_mutex);
2272 }
2273
2274 *((u64 *)&smpreq->SASAddress) = cpu_to_le64(sas_address);
2275
2276 psge = (char *)
2277 (((int *) mf) + (offsetof(SmpPassthroughRequest_t, SGL) / 4));
2278
2279 /* request */
2280 flagsLength = (MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2281 MPI_SGE_FLAGS_END_OF_BUFFER |
2282 MPI_SGE_FLAGS_DIRECTION)
2283 << MPI_SGE_FLAGS_SHIFT;
2284 flagsLength |= (blk_rq_bytes(req) - 4);
2285
2286 dma_addr_out = pci_map_single(ioc->pcidev, bio_data(req->bio),
2287 blk_rq_bytes(req), PCI_DMA_BIDIRECTIONAL);
2288 if (!dma_addr_out)
2289 goto put_mf;
2290 ioc->add_sge(psge, flagsLength, dma_addr_out);
2291 psge += ioc->SGE_size;
2292
2293 /* response */
2294 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2295 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
2296 MPI_SGE_FLAGS_IOC_TO_HOST |
2297 MPI_SGE_FLAGS_END_OF_BUFFER;
2298
2299 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT;
2300 flagsLength |= blk_rq_bytes(rsp) + 4;
2301 dma_addr_in = pci_map_single(ioc->pcidev, bio_data(rsp->bio),
2302 blk_rq_bytes(rsp), PCI_DMA_BIDIRECTIONAL);
2303 if (!dma_addr_in)
2304 goto unmap;
2305 ioc->add_sge(psge, flagsLength, dma_addr_in);
2306
2307 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status)
2308 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
2309
2310 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done, 10 * HZ);
2311 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2312 ret = -ETIME;
2313 mpt_free_msg_frame(ioc, mf);
2314 mf = NULL;
2315 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
2316 goto unmap;
2317 if (!timeleft)
2318 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2319 goto unmap;
2320 }
2321 mf = NULL;
2322
2323 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_RF_VALID) {
2324 SmpPassthroughReply_t *smprep;
2325
2326 smprep = (SmpPassthroughReply_t *)ioc->sas_mgmt.reply;
2327 memcpy(req->sense, smprep, sizeof(*smprep));
2328 req->sense_len = sizeof(*smprep);
2329 req->resid_len = 0;
2330 rsp->resid_len -= smprep->ResponseDataLength;
2331 } else {
2332 printk(MYIOC_s_ERR_FMT
2333 "%s: smp passthru reply failed to be returned\n",
2334 ioc->name, __func__);
2335 ret = -ENXIO;
2336 }
2337unmap:
2338 if (dma_addr_out)
2339 pci_unmap_single(ioc->pcidev, dma_addr_out, blk_rq_bytes(req),
2340 PCI_DMA_BIDIRECTIONAL);
2341 if (dma_addr_in)
2342 pci_unmap_single(ioc->pcidev, dma_addr_in, blk_rq_bytes(rsp),
2343 PCI_DMA_BIDIRECTIONAL);
2344put_mf:
2345 if (mf)
2346 mpt_free_msg_frame(ioc, mf);
2347out_unlock:
2348 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status)
2349 mutex_unlock(&ioc->sas_mgmt.mutex);
2350out:
2351 return ret;
2352}
2353
2354static struct sas_function_template mptsas_transport_functions = {
2355 .get_linkerrors = mptsas_get_linkerrors,
2356 .get_enclosure_identifier = mptsas_get_enclosure_identifier,
2357 .get_bay_identifier = mptsas_get_bay_identifier,
2358 .phy_reset = mptsas_phy_reset,
2359 .smp_handler = mptsas_smp_handler,
2360};
2361
2362static struct scsi_transport_template *mptsas_transport_template;
2363
2364static int
2365mptsas_sas_io_unit_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
2366{
2367 ConfigExtendedPageHeader_t hdr;
2368 CONFIGPARMS cfg;
2369 SasIOUnitPage0_t *buffer;
2370 dma_addr_t dma_handle;
2371 int error, i;
2372
2373 hdr.PageVersion = MPI_SASIOUNITPAGE0_PAGEVERSION;
2374 hdr.ExtPageLength = 0;
2375 hdr.PageNumber = 0;
2376 hdr.Reserved1 = 0;
2377 hdr.Reserved2 = 0;
2378 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2379 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
2380
2381 cfg.cfghdr.ehdr = &hdr;
2382 cfg.physAddr = -1;
2383 cfg.pageAddr = 0;
2384 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2385 cfg.dir = 0; /* read */
2386 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2387
2388 error = mpt_config(ioc, &cfg);
2389 if (error)
2390 goto out;
2391 if (!hdr.ExtPageLength) {
2392 error = -ENXIO;
2393 goto out;
2394 }
2395
2396 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2397 &dma_handle);
2398 if (!buffer) {
2399 error = -ENOMEM;
2400 goto out;
2401 }
2402
2403 cfg.physAddr = dma_handle;
2404 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2405
2406 error = mpt_config(ioc, &cfg);
2407 if (error)
2408 goto out_free_consistent;
2409
2410 port_info->num_phys = buffer->NumPhys;
2411 port_info->phy_info = kcalloc(port_info->num_phys,
2412 sizeof(struct mptsas_phyinfo), GFP_KERNEL);
2413 if (!port_info->phy_info) {
2414 error = -ENOMEM;
2415 goto out_free_consistent;
2416 }
2417
2418 ioc->nvdata_version_persistent =
2419 le16_to_cpu(buffer->NvdataVersionPersistent);
2420 ioc->nvdata_version_default =
2421 le16_to_cpu(buffer->NvdataVersionDefault);
2422
2423 for (i = 0; i < port_info->num_phys; i++) {
2424 mptsas_print_phy_data(ioc, &buffer->PhyData[i]);
2425 port_info->phy_info[i].phy_id = i;
2426 port_info->phy_info[i].port_id =
2427 buffer->PhyData[i].Port;
2428 port_info->phy_info[i].negotiated_link_rate =
2429 buffer->PhyData[i].NegotiatedLinkRate;
2430 port_info->phy_info[i].portinfo = port_info;
2431 port_info->phy_info[i].handle =
2432 le16_to_cpu(buffer->PhyData[i].ControllerDevHandle);
2433 }
2434
2435 out_free_consistent:
2436 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2437 buffer, dma_handle);
2438 out:
2439 return error;
2440}
2441
2442static int
2443mptsas_sas_io_unit_pg1(MPT_ADAPTER *ioc)
2444{
2445 ConfigExtendedPageHeader_t hdr;
2446 CONFIGPARMS cfg;
2447 SasIOUnitPage1_t *buffer;
2448 dma_addr_t dma_handle;
2449 int error;
2450 u8 device_missing_delay;
2451
2452 memset(&hdr, 0, sizeof(ConfigExtendedPageHeader_t));
2453 memset(&cfg, 0, sizeof(CONFIGPARMS));
2454
2455 cfg.cfghdr.ehdr = &hdr;
2456 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2457 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2458 cfg.cfghdr.ehdr->PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2459 cfg.cfghdr.ehdr->ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
2460 cfg.cfghdr.ehdr->PageVersion = MPI_SASIOUNITPAGE1_PAGEVERSION;
2461 cfg.cfghdr.ehdr->PageNumber = 1;
2462
2463 error = mpt_config(ioc, &cfg);
2464 if (error)
2465 goto out;
2466 if (!hdr.ExtPageLength) {
2467 error = -ENXIO;
2468 goto out;
2469 }
2470
2471 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2472 &dma_handle);
2473 if (!buffer) {
2474 error = -ENOMEM;
2475 goto out;
2476 }
2477
2478 cfg.physAddr = dma_handle;
2479 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2480
2481 error = mpt_config(ioc, &cfg);
2482 if (error)
2483 goto out_free_consistent;
2484
2485 ioc->io_missing_delay =
2486 le16_to_cpu(buffer->IODeviceMissingDelay);
2487 device_missing_delay = buffer->ReportDeviceMissingDelay;
2488 ioc->device_missing_delay = (device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_UNIT_16) ?
2489 (device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16 :
2490 device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
2491
2492 out_free_consistent:
2493 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2494 buffer, dma_handle);
2495 out:
2496 return error;
2497}
2498
2499static int
2500mptsas_sas_phy_pg0(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
2501 u32 form, u32 form_specific)
2502{
2503 ConfigExtendedPageHeader_t hdr;
2504 CONFIGPARMS cfg;
2505 SasPhyPage0_t *buffer;
2506 dma_addr_t dma_handle;
2507 int error;
2508
2509 hdr.PageVersion = MPI_SASPHY0_PAGEVERSION;
2510 hdr.ExtPageLength = 0;
2511 hdr.PageNumber = 0;
2512 hdr.Reserved1 = 0;
2513 hdr.Reserved2 = 0;
2514 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2515 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY;
2516
2517 cfg.cfghdr.ehdr = &hdr;
2518 cfg.dir = 0; /* read */
2519 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2520
2521 /* Get Phy Pg 0 for each Phy. */
2522 cfg.physAddr = -1;
2523 cfg.pageAddr = form + form_specific;
2524 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2525
2526 error = mpt_config(ioc, &cfg);
2527 if (error)
2528 goto out;
2529
2530 if (!hdr.ExtPageLength) {
2531 error = -ENXIO;
2532 goto out;
2533 }
2534
2535 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2536 &dma_handle);
2537 if (!buffer) {
2538 error = -ENOMEM;
2539 goto out;
2540 }
2541
2542 cfg.physAddr = dma_handle;
2543 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2544
2545 error = mpt_config(ioc, &cfg);
2546 if (error)
2547 goto out_free_consistent;
2548
2549 mptsas_print_phy_pg0(ioc, buffer);
2550
2551 phy_info->hw_link_rate = buffer->HwLinkRate;
2552 phy_info->programmed_link_rate = buffer->ProgrammedLinkRate;
2553 phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle);
2554 phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle);
2555
2556 out_free_consistent:
2557 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2558 buffer, dma_handle);
2559 out:
2560 return error;
2561}
2562
2563static int
2564mptsas_sas_device_pg0(MPT_ADAPTER *ioc, struct mptsas_devinfo *device_info,
2565 u32 form, u32 form_specific)
2566{
2567 ConfigExtendedPageHeader_t hdr;
2568 CONFIGPARMS cfg;
2569 SasDevicePage0_t *buffer;
2570 dma_addr_t dma_handle;
2571 __le64 sas_address;
2572 int error=0;
2573
2574 hdr.PageVersion = MPI_SASDEVICE0_PAGEVERSION;
2575 hdr.ExtPageLength = 0;
2576 hdr.PageNumber = 0;
2577 hdr.Reserved1 = 0;
2578 hdr.Reserved2 = 0;
2579 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2580 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE;
2581
2582 cfg.cfghdr.ehdr = &hdr;
2583 cfg.pageAddr = form + form_specific;
2584 cfg.physAddr = -1;
2585 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2586 cfg.dir = 0; /* read */
2587 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2588
2589 memset(device_info, 0, sizeof(struct mptsas_devinfo));
2590 error = mpt_config(ioc, &cfg);
2591 if (error)
2592 goto out;
2593 if (!hdr.ExtPageLength) {
2594 error = -ENXIO;
2595 goto out;
2596 }
2597
2598 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2599 &dma_handle);
2600 if (!buffer) {
2601 error = -ENOMEM;
2602 goto out;
2603 }
2604
2605 cfg.physAddr = dma_handle;
2606 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2607
2608 error = mpt_config(ioc, &cfg);
2609
2610 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
2611 error = -ENODEV;
2612 goto out_free_consistent;
2613 }
2614
2615 if (error)
2616 goto out_free_consistent;
2617
2618 mptsas_print_device_pg0(ioc, buffer);
2619
2620 memset(device_info, 0, sizeof(struct mptsas_devinfo));
2621 device_info->handle = le16_to_cpu(buffer->DevHandle);
2622 device_info->handle_parent = le16_to_cpu(buffer->ParentDevHandle);
2623 device_info->handle_enclosure =
2624 le16_to_cpu(buffer->EnclosureHandle);
2625 device_info->slot = le16_to_cpu(buffer->Slot);
2626 device_info->phy_id = buffer->PhyNum;
2627 device_info->port_id = buffer->PhysicalPort;
2628 device_info->id = buffer->TargetID;
2629 device_info->phys_disk_num = ~0;
2630 device_info->channel = buffer->Bus;
2631 memcpy(&sas_address, &buffer->SASAddress, sizeof(__le64));
2632 device_info->sas_address = le64_to_cpu(sas_address);
2633 device_info->device_info =
2634 le32_to_cpu(buffer->DeviceInfo);
2635 device_info->flags = le16_to_cpu(buffer->Flags);
2636
2637 out_free_consistent:
2638 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2639 buffer, dma_handle);
2640 out:
2641 return error;
2642}
2643
2644static int
2645mptsas_sas_expander_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info,
2646 u32 form, u32 form_specific)
2647{
2648 ConfigExtendedPageHeader_t hdr;
2649 CONFIGPARMS cfg;
2650 SasExpanderPage0_t *buffer;
2651 dma_addr_t dma_handle;
2652 int i, error;
2653 __le64 sas_address;
2654
2655 memset(port_info, 0, sizeof(struct mptsas_portinfo));
2656 hdr.PageVersion = MPI_SASEXPANDER0_PAGEVERSION;
2657 hdr.ExtPageLength = 0;
2658 hdr.PageNumber = 0;
2659 hdr.Reserved1 = 0;
2660 hdr.Reserved2 = 0;
2661 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2662 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
2663
2664 cfg.cfghdr.ehdr = &hdr;
2665 cfg.physAddr = -1;
2666 cfg.pageAddr = form + form_specific;
2667 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2668 cfg.dir = 0; /* read */
2669 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2670
2671 memset(port_info, 0, sizeof(struct mptsas_portinfo));
2672 error = mpt_config(ioc, &cfg);
2673 if (error)
2674 goto out;
2675
2676 if (!hdr.ExtPageLength) {
2677 error = -ENXIO;
2678 goto out;
2679 }
2680
2681 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2682 &dma_handle);
2683 if (!buffer) {
2684 error = -ENOMEM;
2685 goto out;
2686 }
2687
2688 cfg.physAddr = dma_handle;
2689 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2690
2691 error = mpt_config(ioc, &cfg);
2692 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
2693 error = -ENODEV;
2694 goto out_free_consistent;
2695 }
2696
2697 if (error)
2698 goto out_free_consistent;
2699
2700 /* save config data */
2701 port_info->num_phys = (buffer->NumPhys) ? buffer->NumPhys : 1;
2702 port_info->phy_info = kcalloc(port_info->num_phys,
2703 sizeof(struct mptsas_phyinfo), GFP_KERNEL);
2704 if (!port_info->phy_info) {
2705 error = -ENOMEM;
2706 goto out_free_consistent;
2707 }
2708
2709 memcpy(&sas_address, &buffer->SASAddress, sizeof(__le64));
2710 for (i = 0; i < port_info->num_phys; i++) {
2711 port_info->phy_info[i].portinfo = port_info;
2712 port_info->phy_info[i].handle =
2713 le16_to_cpu(buffer->DevHandle);
2714 port_info->phy_info[i].identify.sas_address =
2715 le64_to_cpu(sas_address);
2716 port_info->phy_info[i].identify.handle_parent =
2717 le16_to_cpu(buffer->ParentDevHandle);
2718 }
2719
2720 out_free_consistent:
2721 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2722 buffer, dma_handle);
2723 out:
2724 return error;
2725}
2726
2727static int
2728mptsas_sas_expander_pg1(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
2729 u32 form, u32 form_specific)
2730{
2731 ConfigExtendedPageHeader_t hdr;
2732 CONFIGPARMS cfg;
2733 SasExpanderPage1_t *buffer;
2734 dma_addr_t dma_handle;
2735 int error=0;
2736
2737 hdr.PageVersion = MPI_SASEXPANDER1_PAGEVERSION;
2738 hdr.ExtPageLength = 0;
2739 hdr.PageNumber = 1;
2740 hdr.Reserved1 = 0;
2741 hdr.Reserved2 = 0;
2742 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2743 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
2744
2745 cfg.cfghdr.ehdr = &hdr;
2746 cfg.physAddr = -1;
2747 cfg.pageAddr = form + form_specific;
2748 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2749 cfg.dir = 0; /* read */
2750 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2751
2752 error = mpt_config(ioc, &cfg);
2753 if (error)
2754 goto out;
2755
2756 if (!hdr.ExtPageLength) {
2757 error = -ENXIO;
2758 goto out;
2759 }
2760
2761 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2762 &dma_handle);
2763 if (!buffer) {
2764 error = -ENOMEM;
2765 goto out;
2766 }
2767
2768 cfg.physAddr = dma_handle;
2769 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2770
2771 error = mpt_config(ioc, &cfg);
2772
2773 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
2774 error = -ENODEV;
2775 goto out_free_consistent;
2776 }
2777
2778 if (error)
2779 goto out_free_consistent;
2780
2781
2782 mptsas_print_expander_pg1(ioc, buffer);
2783
2784 /* save config data */
2785 phy_info->phy_id = buffer->PhyIdentifier;
2786 phy_info->port_id = buffer->PhysicalPort;
2787 phy_info->negotiated_link_rate = buffer->NegotiatedLinkRate;
2788 phy_info->programmed_link_rate = buffer->ProgrammedLinkRate;
2789 phy_info->hw_link_rate = buffer->HwLinkRate;
2790 phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle);
2791 phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle);
2792
2793 out_free_consistent:
2794 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2795 buffer, dma_handle);
2796 out:
2797 return error;
2798}
2799
2800struct rep_manu_request{
2801 u8 smp_frame_type;
2802 u8 function;
2803 u8 reserved;
2804 u8 request_length;
2805};
2806
2807struct rep_manu_reply{
2808 u8 smp_frame_type; /* 0x41 */
2809 u8 function; /* 0x01 */
2810 u8 function_result;
2811 u8 response_length;
2812 u16 expander_change_count;
2813 u8 reserved0[2];
2814 u8 sas_format:1;
2815 u8 reserved1:7;
2816 u8 reserved2[3];
2817 u8 vendor_id[SAS_EXPANDER_VENDOR_ID_LEN];
2818 u8 product_id[SAS_EXPANDER_PRODUCT_ID_LEN];
2819 u8 product_rev[SAS_EXPANDER_PRODUCT_REV_LEN];
2820 u8 component_vendor_id[SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN];
2821 u16 component_id;
2822 u8 component_revision_id;
2823 u8 reserved3;
2824 u8 vendor_specific[8];
2825};
2826
2827/**
2828 * mptsas_exp_repmanufacture_info -
2829 * @ioc: per adapter object
2830 * @sas_address: expander sas address
2831 * @edev: the sas_expander_device object
2832 *
2833 * Fills in the sas_expander_device object when SMP port is created.
2834 *
2835 * Returns 0 for success, non-zero for failure.
2836 */
2837static int
2838mptsas_exp_repmanufacture_info(MPT_ADAPTER *ioc,
2839 u64 sas_address, struct sas_expander_device *edev)
2840{
2841 MPT_FRAME_HDR *mf;
2842 SmpPassthroughRequest_t *smpreq;
2843 SmpPassthroughReply_t *smprep;
2844 struct rep_manu_reply *manufacture_reply;
2845 struct rep_manu_request *manufacture_request;
2846 int ret;
2847 int flagsLength;
2848 unsigned long timeleft;
2849 char *psge;
2850 unsigned long flags;
2851 void *data_out = NULL;
2852 dma_addr_t data_out_dma = 0;
2853 u32 sz;
2854
2855 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2856 if (ioc->ioc_reset_in_progress) {
2857 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2858 printk(MYIOC_s_INFO_FMT "%s: host reset in progress!\n",
2859 __func__, ioc->name);
2860 return -EFAULT;
2861 }
2862 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2863
2864 ret = mutex_lock_interruptible(&ioc->sas_mgmt.mutex);
2865 if (ret)
2866 goto out;
2867
2868 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
2869 if (!mf) {
2870 ret = -ENOMEM;
2871 goto out_unlock;
2872 }
2873
2874 smpreq = (SmpPassthroughRequest_t *)mf;
2875 memset(smpreq, 0, sizeof(*smpreq));
2876
2877 sz = sizeof(struct rep_manu_request) + sizeof(struct rep_manu_reply);
2878
2879 data_out = pci_alloc_consistent(ioc->pcidev, sz, &data_out_dma);
2880 if (!data_out) {
2881 printk(KERN_ERR "Memory allocation failure at %s:%d/%s()!\n",
2882 __FILE__, __LINE__, __func__);
2883 ret = -ENOMEM;
2884 goto put_mf;
2885 }
2886
2887 manufacture_request = data_out;
2888 manufacture_request->smp_frame_type = 0x40;
2889 manufacture_request->function = 1;
2890 manufacture_request->reserved = 0;
2891 manufacture_request->request_length = 0;
2892
2893 smpreq->Function = MPI_FUNCTION_SMP_PASSTHROUGH;
2894 smpreq->PhysicalPort = 0xFF;
2895 *((u64 *)&smpreq->SASAddress) = cpu_to_le64(sas_address);
2896 smpreq->RequestDataLength = sizeof(struct rep_manu_request);
2897
2898 psge = (char *)
2899 (((int *) mf) + (offsetof(SmpPassthroughRequest_t, SGL) / 4));
2900
2901 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2902 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
2903 MPI_SGE_FLAGS_HOST_TO_IOC |
2904 MPI_SGE_FLAGS_END_OF_BUFFER;
2905 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT;
2906 flagsLength |= sizeof(struct rep_manu_request);
2907
2908 ioc->add_sge(psge, flagsLength, data_out_dma);
2909 psge += ioc->SGE_size;
2910
2911 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2912 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
2913 MPI_SGE_FLAGS_IOC_TO_HOST |
2914 MPI_SGE_FLAGS_END_OF_BUFFER;
2915 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT;
2916 flagsLength |= sizeof(struct rep_manu_reply);
2917 ioc->add_sge(psge, flagsLength, data_out_dma +
2918 sizeof(struct rep_manu_request));
2919
2920 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status)
2921 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
2922
2923 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done, 10 * HZ);
2924 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2925 ret = -ETIME;
2926 mpt_free_msg_frame(ioc, mf);
2927 mf = NULL;
2928 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
2929 goto out_free;
2930 if (!timeleft)
2931 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2932 goto out_free;
2933 }
2934
2935 mf = NULL;
2936
2937 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_RF_VALID) {
2938 u8 *tmp;
2939
2940 smprep = (SmpPassthroughReply_t *)ioc->sas_mgmt.reply;
2941 if (le16_to_cpu(smprep->ResponseDataLength) !=
2942 sizeof(struct rep_manu_reply))
2943 goto out_free;
2944
2945 manufacture_reply = data_out + sizeof(struct rep_manu_request);
2946 strncpy(edev->vendor_id, manufacture_reply->vendor_id,
2947 SAS_EXPANDER_VENDOR_ID_LEN);
2948 strncpy(edev->product_id, manufacture_reply->product_id,
2949 SAS_EXPANDER_PRODUCT_ID_LEN);
2950 strncpy(edev->product_rev, manufacture_reply->product_rev,
2951 SAS_EXPANDER_PRODUCT_REV_LEN);
2952 edev->level = manufacture_reply->sas_format;
2953 if (manufacture_reply->sas_format) {
2954 strncpy(edev->component_vendor_id,
2955 manufacture_reply->component_vendor_id,
2956 SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN);
2957 tmp = (u8 *)&manufacture_reply->component_id;
2958 edev->component_id = tmp[0] << 8 | tmp[1];
2959 edev->component_revision_id =
2960 manufacture_reply->component_revision_id;
2961 }
2962 } else {
2963 printk(MYIOC_s_ERR_FMT
2964 "%s: smp passthru reply failed to be returned\n",
2965 ioc->name, __func__);
2966 ret = -ENXIO;
2967 }
2968out_free:
2969 if (data_out_dma)
2970 pci_free_consistent(ioc->pcidev, sz, data_out, data_out_dma);
2971put_mf:
2972 if (mf)
2973 mpt_free_msg_frame(ioc, mf);
2974out_unlock:
2975 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status)
2976 mutex_unlock(&ioc->sas_mgmt.mutex);
2977out:
2978 return ret;
2979 }
2980
2981static void
2982mptsas_parse_device_info(struct sas_identify *identify,
2983 struct mptsas_devinfo *device_info)
2984{
2985 u16 protocols;
2986
2987 identify->sas_address = device_info->sas_address;
2988 identify->phy_identifier = device_info->phy_id;
2989
2990 /*
2991 * Fill in Phy Initiator Port Protocol.
2992 * Bits 6:3, more than one bit can be set, fall through cases.
2993 */
2994 protocols = device_info->device_info & 0x78;
2995 identify->initiator_port_protocols = 0;
2996 if (protocols & MPI_SAS_DEVICE_INFO_SSP_INITIATOR)
2997 identify->initiator_port_protocols |= SAS_PROTOCOL_SSP;
2998 if (protocols & MPI_SAS_DEVICE_INFO_STP_INITIATOR)
2999 identify->initiator_port_protocols |= SAS_PROTOCOL_STP;
3000 if (protocols & MPI_SAS_DEVICE_INFO_SMP_INITIATOR)
3001 identify->initiator_port_protocols |= SAS_PROTOCOL_SMP;
3002 if (protocols & MPI_SAS_DEVICE_INFO_SATA_HOST)
3003 identify->initiator_port_protocols |= SAS_PROTOCOL_SATA;
3004
3005 /*
3006 * Fill in Phy Target Port Protocol.
3007 * Bits 10:7, more than one bit can be set, fall through cases.
3008 */
3009 protocols = device_info->device_info & 0x780;
3010 identify->target_port_protocols = 0;
3011 if (protocols & MPI_SAS_DEVICE_INFO_SSP_TARGET)
3012 identify->target_port_protocols |= SAS_PROTOCOL_SSP;
3013 if (protocols & MPI_SAS_DEVICE_INFO_STP_TARGET)
3014 identify->target_port_protocols |= SAS_PROTOCOL_STP;
3015 if (protocols & MPI_SAS_DEVICE_INFO_SMP_TARGET)
3016 identify->target_port_protocols |= SAS_PROTOCOL_SMP;
3017 if (protocols & MPI_SAS_DEVICE_INFO_SATA_DEVICE)
3018 identify->target_port_protocols |= SAS_PROTOCOL_SATA;
3019
3020 /*
3021 * Fill in Attached device type.
3022 */
3023 switch (device_info->device_info &
3024 MPI_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) {
3025 case MPI_SAS_DEVICE_INFO_NO_DEVICE:
3026 identify->device_type = SAS_PHY_UNUSED;
3027 break;
3028 case MPI_SAS_DEVICE_INFO_END_DEVICE:
3029 identify->device_type = SAS_END_DEVICE;
3030 break;
3031 case MPI_SAS_DEVICE_INFO_EDGE_EXPANDER:
3032 identify->device_type = SAS_EDGE_EXPANDER_DEVICE;
3033 break;
3034 case MPI_SAS_DEVICE_INFO_FANOUT_EXPANDER:
3035 identify->device_type = SAS_FANOUT_EXPANDER_DEVICE;
3036 break;
3037 }
3038}
3039
3040static int mptsas_probe_one_phy(struct device *dev,
3041 struct mptsas_phyinfo *phy_info, int index, int local)
3042{
3043 MPT_ADAPTER *ioc;
3044 struct sas_phy *phy;
3045 struct sas_port *port;
3046 int error = 0;
3047 VirtTarget *vtarget;
3048
3049 if (!dev) {
3050 error = -ENODEV;
3051 goto out;
3052 }
3053
3054 if (!phy_info->phy) {
3055 phy = sas_phy_alloc(dev, index);
3056 if (!phy) {
3057 error = -ENOMEM;
3058 goto out;
3059 }
3060 } else
3061 phy = phy_info->phy;
3062
3063 mptsas_parse_device_info(&phy->identify, &phy_info->identify);
3064
3065 /*
3066 * Set Negotiated link rate.
3067 */
3068 switch (phy_info->negotiated_link_rate) {
3069 case MPI_SAS_IOUNIT0_RATE_PHY_DISABLED:
3070 phy->negotiated_linkrate = SAS_PHY_DISABLED;
3071 break;
3072 case MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION:
3073 phy->negotiated_linkrate = SAS_LINK_RATE_FAILED;
3074 break;
3075 case MPI_SAS_IOUNIT0_RATE_1_5:
3076 phy->negotiated_linkrate = SAS_LINK_RATE_1_5_GBPS;
3077 break;
3078 case MPI_SAS_IOUNIT0_RATE_3_0:
3079 phy->negotiated_linkrate = SAS_LINK_RATE_3_0_GBPS;
3080 break;
3081 case MPI_SAS_IOUNIT0_RATE_6_0:
3082 phy->negotiated_linkrate = SAS_LINK_RATE_6_0_GBPS;
3083 break;
3084 case MPI_SAS_IOUNIT0_RATE_SATA_OOB_COMPLETE:
3085 case MPI_SAS_IOUNIT0_RATE_UNKNOWN:
3086 default:
3087 phy->negotiated_linkrate = SAS_LINK_RATE_UNKNOWN;
3088 break;
3089 }
3090
3091 /*
3092 * Set Max hardware link rate.
3093 */
3094 switch (phy_info->hw_link_rate & MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) {
3095 case MPI_SAS_PHY0_HWRATE_MAX_RATE_1_5:
3096 phy->maximum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3097 break;
3098 case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0:
3099 phy->maximum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS;
3100 break;
3101 default:
3102 break;
3103 }
3104
3105 /*
3106 * Set Max programmed link rate.
3107 */
3108 switch (phy_info->programmed_link_rate &
3109 MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) {
3110 case MPI_SAS_PHY0_PRATE_MAX_RATE_1_5:
3111 phy->maximum_linkrate = SAS_LINK_RATE_1_5_GBPS;
3112 break;
3113 case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0:
3114 phy->maximum_linkrate = SAS_LINK_RATE_3_0_GBPS;
3115 break;
3116 default:
3117 break;
3118 }
3119
3120 /*
3121 * Set Min hardware link rate.
3122 */
3123 switch (phy_info->hw_link_rate & MPI_SAS_PHY0_HWRATE_MIN_RATE_MASK) {
3124 case MPI_SAS_PHY0_HWRATE_MIN_RATE_1_5:
3125 phy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3126 break;
3127 case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0:
3128 phy->minimum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS;
3129 break;
3130 default:
3131 break;
3132 }
3133
3134 /*
3135 * Set Min programmed link rate.
3136 */
3137 switch (phy_info->programmed_link_rate &
3138 MPI_SAS_PHY0_PRATE_MIN_RATE_MASK) {
3139 case MPI_SAS_PHY0_PRATE_MIN_RATE_1_5:
3140 phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
3141 break;
3142 case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0:
3143 phy->minimum_linkrate = SAS_LINK_RATE_3_0_GBPS;
3144 break;
3145 default:
3146 break;
3147 }
3148
3149 if (!phy_info->phy) {
3150
3151 error = sas_phy_add(phy);
3152 if (error) {
3153 sas_phy_free(phy);
3154 goto out;
3155 }
3156 phy_info->phy = phy;
3157 }
3158
3159 if (!phy_info->attached.handle ||
3160 !phy_info->port_details)
3161 goto out;
3162
3163 port = mptsas_get_port(phy_info);
3164 ioc = phy_to_ioc(phy_info->phy);
3165
3166 if (phy_info->sas_port_add_phy) {
3167
3168 if (!port) {
3169 port = sas_port_alloc_num(dev);
3170 if (!port) {
3171 error = -ENOMEM;
3172 goto out;
3173 }
3174 error = sas_port_add(port);
3175 if (error) {
3176 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3177 "%s: exit at line=%d\n", ioc->name,
3178 __func__, __LINE__));
3179 goto out;
3180 }
3181 mptsas_set_port(ioc, phy_info, port);
3182 devtprintk(ioc, dev_printk(KERN_DEBUG, &port->dev,
3183 MYIOC_s_FMT "add port %d, sas_addr (0x%llx)\n",
3184 ioc->name, port->port_identifier,
3185 (unsigned long long)phy_info->
3186 attached.sas_address));
3187 }
3188 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3189 "sas_port_add_phy: phy_id=%d\n",
3190 ioc->name, phy_info->phy_id));
3191 sas_port_add_phy(port, phy_info->phy);
3192 phy_info->sas_port_add_phy = 0;
3193 devtprintk(ioc, dev_printk(KERN_DEBUG, &phy_info->phy->dev,
3194 MYIOC_s_FMT "add phy %d, phy-obj (0x%p)\n", ioc->name,
3195 phy_info->phy_id, phy_info->phy));
3196 }
3197 if (!mptsas_get_rphy(phy_info) && port && !port->rphy) {
3198
3199 struct sas_rphy *rphy;
3200 struct device *parent;
3201 struct sas_identify identify;
3202
3203 parent = dev->parent->parent;
3204 /*
3205 * Let the hotplug_work thread handle processing
3206 * the adding/removing of devices that occur
3207 * after start of day.
3208 */
3209 if (mptsas_is_end_device(&phy_info->attached) &&
3210 phy_info->attached.handle_parent) {
3211 goto out;
3212 }
3213
3214 mptsas_parse_device_info(&identify, &phy_info->attached);
3215 if (scsi_is_host_device(parent)) {
3216 struct mptsas_portinfo *port_info;
3217 int i;
3218
3219 port_info = ioc->hba_port_info;
3220
3221 for (i = 0; i < port_info->num_phys; i++)
3222 if (port_info->phy_info[i].identify.sas_address ==
3223 identify.sas_address) {
3224 sas_port_mark_backlink(port);
3225 goto out;
3226 }
3227
3228 } else if (scsi_is_sas_rphy(parent)) {
3229 struct sas_rphy *parent_rphy = dev_to_rphy(parent);
3230 if (identify.sas_address ==
3231 parent_rphy->identify.sas_address) {
3232 sas_port_mark_backlink(port);
3233 goto out;
3234 }
3235 }
3236
3237 switch (identify.device_type) {
3238 case SAS_END_DEVICE:
3239 rphy = sas_end_device_alloc(port);
3240 break;
3241 case SAS_EDGE_EXPANDER_DEVICE:
3242 case SAS_FANOUT_EXPANDER_DEVICE:
3243 rphy = sas_expander_alloc(port, identify.device_type);
3244 break;
3245 default:
3246 rphy = NULL;
3247 break;
3248 }
3249 if (!rphy) {
3250 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3251 "%s: exit at line=%d\n", ioc->name,
3252 __func__, __LINE__));
3253 goto out;
3254 }
3255
3256 rphy->identify = identify;
3257 error = sas_rphy_add(rphy);
3258 if (error) {
3259 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3260 "%s: exit at line=%d\n", ioc->name,
3261 __func__, __LINE__));
3262 sas_rphy_free(rphy);
3263 goto out;
3264 }
3265 mptsas_set_rphy(ioc, phy_info, rphy);
3266 if (identify.device_type == SAS_EDGE_EXPANDER_DEVICE ||
3267 identify.device_type == SAS_FANOUT_EXPANDER_DEVICE)
3268 mptsas_exp_repmanufacture_info(ioc,
3269 identify.sas_address,
3270 rphy_to_expander_device(rphy));
3271 }
3272
3273 /* If the device exists,verify it wasn't previously flagged
3274 as a missing device. If so, clear it */
3275 vtarget = mptsas_find_vtarget(ioc,
3276 phy_info->attached.channel,
3277 phy_info->attached.id);
3278 if (vtarget && vtarget->inDMD) {
3279 printk(KERN_INFO "Device returned, unsetting inDMD\n");
3280 vtarget->inDMD = 0;
3281 }
3282
3283 out:
3284 return error;
3285}
3286
3287static int
3288mptsas_probe_hba_phys(MPT_ADAPTER *ioc)
3289{
3290 struct mptsas_portinfo *port_info, *hba;
3291 int error = -ENOMEM, i;
3292
3293 hba = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
3294 if (! hba)
3295 goto out;
3296
3297 error = mptsas_sas_io_unit_pg0(ioc, hba);
3298 if (error)
3299 goto out_free_port_info;
3300
3301 mptsas_sas_io_unit_pg1(ioc);
3302 mutex_lock(&ioc->sas_topology_mutex);
3303 port_info = ioc->hba_port_info;
3304 if (!port_info) {
3305 ioc->hba_port_info = port_info = hba;
3306 ioc->hba_port_num_phy = port_info->num_phys;
3307 list_add_tail(&port_info->list, &ioc->sas_topology);
3308 } else {
3309 for (i = 0; i < hba->num_phys; i++) {
3310 port_info->phy_info[i].negotiated_link_rate =
3311 hba->phy_info[i].negotiated_link_rate;
3312 port_info->phy_info[i].handle =
3313 hba->phy_info[i].handle;
3314 port_info->phy_info[i].port_id =
3315 hba->phy_info[i].port_id;
3316 }
3317 kfree(hba->phy_info);
3318 kfree(hba);
3319 hba = NULL;
3320 }
3321 mutex_unlock(&ioc->sas_topology_mutex);
3322#if defined(CPQ_CIM)
3323 ioc->num_ports = port_info->num_phys;
3324#endif
3325 for (i = 0; i < port_info->num_phys; i++) {
3326 mptsas_sas_phy_pg0(ioc, &port_info->phy_info[i],
3327 (MPI_SAS_PHY_PGAD_FORM_PHY_NUMBER <<
3328 MPI_SAS_PHY_PGAD_FORM_SHIFT), i);
3329 port_info->phy_info[i].identify.handle =
3330 port_info->phy_info[i].handle;
3331 mptsas_sas_device_pg0(ioc, &port_info->phy_info[i].identify,
3332 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3333 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3334 port_info->phy_info[i].identify.handle);
3335 if (!ioc->hba_port_sas_addr)
3336 ioc->hba_port_sas_addr =
3337 port_info->phy_info[i].identify.sas_address;
3338 port_info->phy_info[i].identify.phy_id =
3339 port_info->phy_info[i].phy_id = i;
3340 if (port_info->phy_info[i].attached.handle)
3341 mptsas_sas_device_pg0(ioc,
3342 &port_info->phy_info[i].attached,
3343 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3344 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3345 port_info->phy_info[i].attached.handle);
3346 }
3347
3348 mptsas_setup_wide_ports(ioc, port_info);
3349
3350 for (i = 0; i < port_info->num_phys; i++, ioc->sas_index++)
3351 mptsas_probe_one_phy(&ioc->sh->shost_gendev,
3352 &port_info->phy_info[i], ioc->sas_index, 1);
3353
3354 return 0;
3355
3356 out_free_port_info:
3357 kfree(hba);
3358 out:
3359 return error;
3360}
3361
3362static void
3363mptsas_expander_refresh(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
3364{
3365 struct mptsas_portinfo *parent;
3366 struct device *parent_dev;
3367 struct sas_rphy *rphy;
3368 int i;
3369 u64 sas_address; /* expander sas address */
3370 u32 handle;
3371
3372 handle = port_info->phy_info[0].handle;
3373 sas_address = port_info->phy_info[0].identify.sas_address;
3374 for (i = 0; i < port_info->num_phys; i++) {
3375 mptsas_sas_expander_pg1(ioc, &port_info->phy_info[i],
3376 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE_PHY_NUM <<
3377 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), (i << 16) + handle);
3378
3379 mptsas_sas_device_pg0(ioc,
3380 &port_info->phy_info[i].identify,
3381 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3382 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3383 port_info->phy_info[i].identify.handle);
3384 port_info->phy_info[i].identify.phy_id =
3385 port_info->phy_info[i].phy_id;
3386
3387 if (port_info->phy_info[i].attached.handle) {
3388 mptsas_sas_device_pg0(ioc,
3389 &port_info->phy_info[i].attached,
3390 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3391 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3392 port_info->phy_info[i].attached.handle);
3393 port_info->phy_info[i].attached.phy_id =
3394 port_info->phy_info[i].phy_id;
3395 }
3396 }
3397
3398 mutex_lock(&ioc->sas_topology_mutex);
3399 parent = mptsas_find_portinfo_by_handle(ioc,
3400 port_info->phy_info[0].identify.handle_parent);
3401 if (!parent) {
3402 mutex_unlock(&ioc->sas_topology_mutex);
3403 return;
3404 }
3405 for (i = 0, parent_dev = NULL; i < parent->num_phys && !parent_dev;
3406 i++) {
3407 if (parent->phy_info[i].attached.sas_address == sas_address) {
3408 rphy = mptsas_get_rphy(&parent->phy_info[i]);
3409 parent_dev = &rphy->dev;
3410 }
3411 }
3412 mutex_unlock(&ioc->sas_topology_mutex);
3413
3414 mptsas_setup_wide_ports(ioc, port_info);
3415 for (i = 0; i < port_info->num_phys; i++, ioc->sas_index++)
3416 mptsas_probe_one_phy(parent_dev, &port_info->phy_info[i],
3417 ioc->sas_index, 0);
3418}
3419
3420static void
3421mptsas_expander_event_add(MPT_ADAPTER *ioc,
3422 MpiEventDataSasExpanderStatusChange_t *expander_data)
3423{
3424 struct mptsas_portinfo *port_info;
3425 int i;
3426 __le64 sas_address;
3427
3428 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
3429 if (!port_info)
3430 BUG();
3431 port_info->num_phys = (expander_data->NumPhys) ?
3432 expander_data->NumPhys : 1;
3433 port_info->phy_info = kcalloc(port_info->num_phys,
3434 sizeof(struct mptsas_phyinfo), GFP_KERNEL);
3435 if (!port_info->phy_info)
3436 BUG();
3437 memcpy(&sas_address, &expander_data->SASAddress, sizeof(__le64));
3438 for (i = 0; i < port_info->num_phys; i++) {
3439 port_info->phy_info[i].portinfo = port_info;
3440 port_info->phy_info[i].handle =
3441 le16_to_cpu(expander_data->DevHandle);
3442 port_info->phy_info[i].identify.sas_address =
3443 le64_to_cpu(sas_address);
3444 port_info->phy_info[i].identify.handle_parent =
3445 le16_to_cpu(expander_data->ParentDevHandle);
3446 }
3447
3448 mutex_lock(&ioc->sas_topology_mutex);
3449 list_add_tail(&port_info->list, &ioc->sas_topology);
3450 mutex_unlock(&ioc->sas_topology_mutex);
3451
3452 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, "
3453 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3454 (unsigned long long)sas_address);
3455
3456 mptsas_expander_refresh(ioc, port_info);
3457}
3458
3459/**
3460 * mptsas_delete_expander_siblings - remove siblings attached to expander
3461 * @ioc: Pointer to MPT_ADAPTER structure
3462 * @parent: the parent port_info object
3463 * @expander: the expander port_info object
3464 **/
3465static void
3466mptsas_delete_expander_siblings(MPT_ADAPTER *ioc, struct mptsas_portinfo
3467 *parent, struct mptsas_portinfo *expander)
3468{
3469 struct mptsas_phyinfo *phy_info;
3470 struct mptsas_portinfo *port_info;
3471 struct sas_rphy *rphy;
3472 int i;
3473
3474 phy_info = expander->phy_info;
3475 for (i = 0; i < expander->num_phys; i++, phy_info++) {
3476 rphy = mptsas_get_rphy(phy_info);
3477 if (!rphy)
3478 continue;
3479 if (rphy->identify.device_type == SAS_END_DEVICE)
3480 mptsas_del_end_device(ioc, phy_info);
3481 }
3482
3483 phy_info = expander->phy_info;
3484 for (i = 0; i < expander->num_phys; i++, phy_info++) {
3485 rphy = mptsas_get_rphy(phy_info);
3486 if (!rphy)
3487 continue;
3488 if (rphy->identify.device_type ==
3489 MPI_SAS_DEVICE_INFO_EDGE_EXPANDER ||
3490 rphy->identify.device_type ==
3491 MPI_SAS_DEVICE_INFO_FANOUT_EXPANDER) {
3492 port_info = mptsas_find_portinfo_by_sas_address(ioc,
3493 rphy->identify.sas_address);
3494 if (!port_info)
3495 continue;
3496 if (port_info == parent) /* backlink rphy */
3497 continue;
3498 /*
3499 Delete this expander even if the expdevpage is exists
3500 because the parent expander is already deleted
3501 */
3502 mptsas_expander_delete(ioc, port_info, 1);
3503 }
3504 }
3505}
3506
3507
3508/**
3509 * mptsas_expander_delete - remove this expander
3510 * @ioc: Pointer to MPT_ADAPTER structure
3511 * @port_info: expander port_info struct
3512 * @force: Flag to forcefully delete the expander
3513 *
3514 **/
3515
3516static void mptsas_expander_delete(MPT_ADAPTER *ioc,
3517 struct mptsas_portinfo *port_info, u8 force)
3518{
3519
3520 struct mptsas_portinfo *parent;
3521 int i;
3522 u64 expander_sas_address;
3523 struct mptsas_phyinfo *phy_info;
3524 struct mptsas_portinfo buffer;
3525 struct mptsas_portinfo_details *port_details;
3526 struct sas_port *port;
3527
3528 if (!port_info)
3529 return;
3530
3531 /* see if expander is still there before deleting */
3532 mptsas_sas_expander_pg0(ioc, &buffer,
3533 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE <<
3534 MPI_SAS_EXPAND_PGAD_FORM_SHIFT),
3535 port_info->phy_info[0].identify.handle);
3536
3537 if (buffer.num_phys) {
3538 kfree(buffer.phy_info);
3539 if (!force)
3540 return;
3541 }
3542
3543
3544 /*
3545 * Obtain the port_info instance to the parent port
3546 */
3547 port_details = NULL;
3548 expander_sas_address =
3549 port_info->phy_info[0].identify.sas_address;
3550 parent = mptsas_find_portinfo_by_handle(ioc,
3551 port_info->phy_info[0].identify.handle_parent);
3552 mptsas_delete_expander_siblings(ioc, parent, port_info);
3553 if (!parent)
3554 goto out;
3555
3556 /*
3557 * Delete rphys in the parent that point
3558 * to this expander.
3559 */
3560 phy_info = parent->phy_info;
3561 port = NULL;
3562 for (i = 0; i < parent->num_phys; i++, phy_info++) {
3563 if (!phy_info->phy)
3564 continue;
3565 if (phy_info->attached.sas_address !=
3566 expander_sas_address)
3567 continue;
3568 if (!port) {
3569 port = mptsas_get_port(phy_info);
3570 port_details = phy_info->port_details;
3571 }
3572 dev_printk(KERN_DEBUG, &phy_info->phy->dev,
3573 MYIOC_s_FMT "delete phy %d, phy-obj (0x%p)\n", ioc->name,
3574 phy_info->phy_id, phy_info->phy);
3575 sas_port_delete_phy(port, phy_info->phy);
3576 }
3577 if (port) {
3578 dev_printk(KERN_DEBUG, &port->dev,
3579 MYIOC_s_FMT "delete port %d, sas_addr (0x%llx)\n",
3580 ioc->name, port->port_identifier,
3581 (unsigned long long)expander_sas_address);
3582 sas_port_delete(port);
3583 mptsas_port_delete(ioc, port_details);
3584 }
3585 out:
3586
3587 printk(MYIOC_s_INFO_FMT "delete expander: num_phys %d, "
3588 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3589 (unsigned long long)expander_sas_address);
3590
3591 /*
3592 * free link
3593 */
3594 list_del(&port_info->list);
3595 kfree(port_info->phy_info);
3596 kfree(port_info);
3597}
3598
3599
3600/**
3601 * mptsas_send_expander_event - expanders events
3602 * @ioc: Pointer to MPT_ADAPTER structure
3603 * @expander_data: event data
3604 *
3605 *
3606 * This function handles adding, removing, and refreshing
3607 * device handles within the expander objects.
3608 */
3609static void
3610mptsas_send_expander_event(struct fw_event_work *fw_event)
3611{
3612 MPT_ADAPTER *ioc;
3613 MpiEventDataSasExpanderStatusChange_t *expander_data;
3614 struct mptsas_portinfo *port_info;
3615 __le64 sas_address;
3616 int i;
3617
3618 ioc = fw_event->ioc;
3619 expander_data = (MpiEventDataSasExpanderStatusChange_t *)
3620 fw_event->event_data;
3621 memcpy(&sas_address, &expander_data->SASAddress, sizeof(__le64));
3622 sas_address = le64_to_cpu(sas_address);
3623 port_info = mptsas_find_portinfo_by_sas_address(ioc, sas_address);
3624
3625 if (expander_data->ReasonCode == MPI_EVENT_SAS_EXP_RC_ADDED) {
3626 if (port_info) {
3627 for (i = 0; i < port_info->num_phys; i++) {
3628 port_info->phy_info[i].portinfo = port_info;
3629 port_info->phy_info[i].handle =
3630 le16_to_cpu(expander_data->DevHandle);
3631 port_info->phy_info[i].identify.sas_address =
3632 le64_to_cpu(sas_address);
3633 port_info->phy_info[i].identify.handle_parent =
3634 le16_to_cpu(expander_data->ParentDevHandle);
3635 }
3636 mptsas_expander_refresh(ioc, port_info);
3637 } else if (!port_info && expander_data->NumPhys)
3638 mptsas_expander_event_add(ioc, expander_data);
3639 } else if (expander_data->ReasonCode ==
3640 MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING)
3641 mptsas_expander_delete(ioc, port_info, 0);
3642
3643 mptsas_free_fw_event(ioc, fw_event);
3644}
3645
3646
3647/**
3648 * mptsas_expander_add -
3649 * @ioc: Pointer to MPT_ADAPTER structure
3650 * @handle:
3651 *
3652 */
3653struct mptsas_portinfo *
3654mptsas_expander_add(MPT_ADAPTER *ioc, u16 handle)
3655{
3656 struct mptsas_portinfo buffer, *port_info;
3657 int i;
3658
3659 if ((mptsas_sas_expander_pg0(ioc, &buffer,
3660 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE <<
3661 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle)))
3662 return NULL;
3663
3664 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_ATOMIC);
3665 if (!port_info) {
3666 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3667 "%s: exit at line=%d\n", ioc->name,
3668 __func__, __LINE__));
3669 return NULL;
3670 }
3671 port_info->num_phys = buffer.num_phys;
3672 port_info->phy_info = buffer.phy_info;
3673 for (i = 0; i < port_info->num_phys; i++)
3674 port_info->phy_info[i].portinfo = port_info;
3675 mutex_lock(&ioc->sas_topology_mutex);
3676 list_add_tail(&port_info->list, &ioc->sas_topology);
3677 mutex_unlock(&ioc->sas_topology_mutex);
3678 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, "
3679 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3680 (unsigned long long)buffer.phy_info[0].identify.sas_address);
3681 mptsas_expander_refresh(ioc, port_info);
3682 return port_info;
3683}
3684
3685static void
3686mptsas_send_link_status_event(struct fw_event_work *fw_event)
3687{
3688 MPT_ADAPTER *ioc;
3689 MpiEventDataSasPhyLinkStatus_t *link_data;
3690 struct mptsas_portinfo *port_info;
3691 struct mptsas_phyinfo *phy_info = NULL;
3692 __le64 sas_address;
3693 u8 phy_num;
3694 u8 link_rate;
3695
3696 ioc = fw_event->ioc;
3697 link_data = (MpiEventDataSasPhyLinkStatus_t *)fw_event->event_data;
3698
3699 memcpy(&sas_address, &link_data->SASAddress, sizeof(__le64));
3700 sas_address = le64_to_cpu(sas_address);
3701 link_rate = link_data->LinkRates >> 4;
3702 phy_num = link_data->PhyNum;
3703
3704 port_info = mptsas_find_portinfo_by_sas_address(ioc, sas_address);
3705 if (port_info) {
3706 phy_info = &port_info->phy_info[phy_num];
3707 if (phy_info)
3708 phy_info->negotiated_link_rate = link_rate;
3709 }
3710
3711 if (link_rate == MPI_SAS_IOUNIT0_RATE_1_5 ||
3712 link_rate == MPI_SAS_IOUNIT0_RATE_3_0 ||
3713 link_rate == MPI_SAS_IOUNIT0_RATE_6_0) {
3714
3715 if (!port_info) {
3716 if (ioc->old_sas_discovery_protocal) {
3717 port_info = mptsas_expander_add(ioc,
3718 le16_to_cpu(link_data->DevHandle));
3719 if (port_info)
3720 goto out;
3721 }
3722 goto out;
3723 }
3724
3725 if (port_info == ioc->hba_port_info)
3726 mptsas_probe_hba_phys(ioc);
3727 else
3728 mptsas_expander_refresh(ioc, port_info);
3729 } else if (phy_info && phy_info->phy) {
3730 if (link_rate == MPI_SAS_IOUNIT0_RATE_PHY_DISABLED)
3731 phy_info->phy->negotiated_linkrate =
3732 SAS_PHY_DISABLED;
3733 else if (link_rate ==
3734 MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION)
3735 phy_info->phy->negotiated_linkrate =
3736 SAS_LINK_RATE_FAILED;
3737 else {
3738 phy_info->phy->negotiated_linkrate =
3739 SAS_LINK_RATE_UNKNOWN;
3740 if (ioc->device_missing_delay &&
3741 mptsas_is_end_device(&phy_info->attached)) {
3742 struct scsi_device *sdev;
3743 VirtDevice *vdevice;
3744 u8 channel, id;
3745 id = phy_info->attached.id;
3746 channel = phy_info->attached.channel;
3747 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3748 "Link down for fw_id %d:fw_channel %d\n",
3749 ioc->name, phy_info->attached.id,
3750 phy_info->attached.channel));
3751
3752 shost_for_each_device(sdev, ioc->sh) {
3753 vdevice = sdev->hostdata;
3754 if ((vdevice == NULL) ||
3755 (vdevice->vtarget == NULL))
3756 continue;
3757 if ((vdevice->vtarget->tflags &
3758 MPT_TARGET_FLAGS_RAID_COMPONENT ||
3759 vdevice->vtarget->raidVolume))
3760 continue;
3761 if (vdevice->vtarget->id == id &&
3762 vdevice->vtarget->channel ==
3763 channel)
3764 devtprintk(ioc,
3765 printk(MYIOC_s_DEBUG_FMT
3766 "SDEV OUTSTANDING CMDS"
3767 "%d\n", ioc->name,
3768 sdev->device_busy));
3769 }
3770
3771 }
3772 }
3773 }
3774 out:
3775 mptsas_free_fw_event(ioc, fw_event);
3776}
3777
3778static void
3779mptsas_not_responding_devices(MPT_ADAPTER *ioc)
3780{
3781 struct mptsas_portinfo buffer, *port_info;
3782 struct mptsas_device_info *sas_info;
3783 struct mptsas_devinfo sas_device;
3784 u32 handle;
3785 VirtTarget *vtarget = NULL;
3786 struct mptsas_phyinfo *phy_info;
3787 u8 found_expander;
3788 int retval, retry_count;
3789 unsigned long flags;
3790
3791 mpt_findImVolumes(ioc);
3792
3793 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
3794 if (ioc->ioc_reset_in_progress) {
3795 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3796 "%s: exiting due to a parallel reset \n", ioc->name,
3797 __func__));
3798 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
3799 return;
3800 }
3801 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
3802
3803 /* devices, logical volumes */
3804 mutex_lock(&ioc->sas_device_info_mutex);
3805 redo_device_scan:
3806 list_for_each_entry(sas_info, &ioc->sas_device_info_list, list) {
3807 if (sas_info->is_cached)
3808 continue;
3809 if (!sas_info->is_logical_volume) {
3810 sas_device.handle = 0;
3811 retry_count = 0;
3812retry_page:
3813 retval = mptsas_sas_device_pg0(ioc, &sas_device,
3814 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID
3815 << MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3816 (sas_info->fw.channel << 8) +
3817 sas_info->fw.id);
3818
3819 if (sas_device.handle)
3820 continue;
3821 if (retval == -EBUSY) {
3822 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
3823 if (ioc->ioc_reset_in_progress) {
3824 dfailprintk(ioc,
3825 printk(MYIOC_s_DEBUG_FMT
3826 "%s: exiting due to reset\n",
3827 ioc->name, __func__));
3828 spin_unlock_irqrestore
3829 (&ioc->taskmgmt_lock, flags);
3830 mutex_unlock(&ioc->
3831 sas_device_info_mutex);
3832 return;
3833 }
3834 spin_unlock_irqrestore(&ioc->taskmgmt_lock,
3835 flags);
3836 }
3837
3838 if (retval && (retval != -ENODEV)) {
3839 if (retry_count < 10) {
3840 retry_count++;
3841 goto retry_page;
3842 } else {
3843 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3844 "%s: Config page retry exceeded retry "
3845 "count deleting device 0x%llx\n",
3846 ioc->name, __func__,
3847 sas_info->sas_address));
3848 }
3849 }
3850
3851 /* delete device */
3852 vtarget = mptsas_find_vtarget(ioc,
3853 sas_info->fw.channel, sas_info->fw.id);
3854
3855 if (vtarget)
3856 vtarget->deleted = 1;
3857
3858 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
3859 sas_info->sas_address);
3860
3861 if (phy_info) {
3862 mptsas_del_end_device(ioc, phy_info);
3863 goto redo_device_scan;
3864 }
3865 } else
3866 mptsas_volume_delete(ioc, sas_info->fw.id);
3867 }
3868 mutex_unlock(&ioc->sas_device_info_mutex);
3869
3870 /* expanders */
3871 mutex_lock(&ioc->sas_topology_mutex);
3872 redo_expander_scan:
3873 list_for_each_entry(port_info, &ioc->sas_topology, list) {
3874
3875 if (port_info->phy_info &&
3876 (!(port_info->phy_info[0].identify.device_info &
3877 MPI_SAS_DEVICE_INFO_SMP_TARGET)))
3878 continue;
3879 found_expander = 0;
3880 handle = 0xFFFF;
3881 while (!mptsas_sas_expander_pg0(ioc, &buffer,
3882 (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE <<
3883 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle) &&
3884 !found_expander) {
3885
3886 handle = buffer.phy_info[0].handle;
3887 if (buffer.phy_info[0].identify.sas_address ==
3888 port_info->phy_info[0].identify.sas_address) {
3889 found_expander = 1;
3890 }
3891 kfree(buffer.phy_info);
3892 }
3893
3894 if (!found_expander) {
3895 mptsas_expander_delete(ioc, port_info, 0);
3896 goto redo_expander_scan;
3897 }
3898 }
3899 mutex_unlock(&ioc->sas_topology_mutex);
3900}
3901
3902/**
3903 * mptsas_probe_expanders - adding expanders
3904 * @ioc: Pointer to MPT_ADAPTER structure
3905 *
3906 **/
3907static void
3908mptsas_probe_expanders(MPT_ADAPTER *ioc)
3909{
3910 struct mptsas_portinfo buffer, *port_info;
3911 u32 handle;
3912 int i;
3913
3914 handle = 0xFFFF;
3915 while (!mptsas_sas_expander_pg0(ioc, &buffer,
3916 (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE <<
3917 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle)) {
3918
3919 handle = buffer.phy_info[0].handle;
3920 port_info = mptsas_find_portinfo_by_sas_address(ioc,
3921 buffer.phy_info[0].identify.sas_address);
3922
3923 if (port_info) {
3924 /* refreshing handles */
3925 for (i = 0; i < buffer.num_phys; i++) {
3926 port_info->phy_info[i].handle = handle;
3927 port_info->phy_info[i].identify.handle_parent =
3928 buffer.phy_info[0].identify.handle_parent;
3929 }
3930 mptsas_expander_refresh(ioc, port_info);
3931 kfree(buffer.phy_info);
3932 continue;
3933 }
3934
3935 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
3936 if (!port_info) {
3937 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3938 "%s: exit at line=%d\n", ioc->name,
3939 __func__, __LINE__));
3940 return;
3941 }
3942 port_info->num_phys = buffer.num_phys;
3943 port_info->phy_info = buffer.phy_info;
3944 for (i = 0; i < port_info->num_phys; i++)
3945 port_info->phy_info[i].portinfo = port_info;
3946 mutex_lock(&ioc->sas_topology_mutex);
3947 list_add_tail(&port_info->list, &ioc->sas_topology);
3948 mutex_unlock(&ioc->sas_topology_mutex);
3949 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, "
3950 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3951 (unsigned long long)buffer.phy_info[0].identify.sas_address);
3952 mptsas_expander_refresh(ioc, port_info);
3953 }
3954}
3955
3956static void
3957mptsas_probe_devices(MPT_ADAPTER *ioc)
3958{
3959 u16 handle;
3960 struct mptsas_devinfo sas_device;
3961 struct mptsas_phyinfo *phy_info;
3962
3963 handle = 0xFFFF;
3964 while (!(mptsas_sas_device_pg0(ioc, &sas_device,
3965 MPI_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
3966
3967 handle = sas_device.handle;
3968
3969 if ((sas_device.device_info &
3970 (MPI_SAS_DEVICE_INFO_SSP_TARGET |
3971 MPI_SAS_DEVICE_INFO_STP_TARGET |
3972 MPI_SAS_DEVICE_INFO_SATA_DEVICE)) == 0)
3973 continue;
3974
3975 /* If there is no FW B_T mapping for this device then continue
3976 * */
3977 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
3978 || !(sas_device.flags &
3979 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
3980 continue;
3981
3982 phy_info = mptsas_refreshing_device_handles(ioc, &sas_device);
3983 if (!phy_info)
3984 continue;
3985
3986 if (mptsas_get_rphy(phy_info))
3987 continue;
3988
3989 mptsas_add_end_device(ioc, phy_info);
3990 }
3991}
3992
3993/**
3994 * mptsas_scan_sas_topology -
3995 * @ioc: Pointer to MPT_ADAPTER structure
3996 * @sas_address:
3997 *
3998 **/
3999static void
4000mptsas_scan_sas_topology(MPT_ADAPTER *ioc)
4001{
4002 struct scsi_device *sdev;
4003 int i;
4004
4005 mptsas_probe_hba_phys(ioc);
4006 mptsas_probe_expanders(ioc);
4007 mptsas_probe_devices(ioc);
4008
4009 /*
4010 Reporting RAID volumes.
4011 */
4012 if (!ioc->ir_firmware || !ioc->raid_data.pIocPg2 ||
4013 !ioc->raid_data.pIocPg2->NumActiveVolumes)
4014 return;
4015 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
4016 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL,
4017 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID, 0);
4018 if (sdev) {
4019 scsi_device_put(sdev);
4020 continue;
4021 }
4022 printk(MYIOC_s_INFO_FMT "attaching raid volume, channel %d, "
4023 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL,
4024 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID);
4025 scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL,
4026 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID, 0);
4027 }
4028}
4029
4030
4031static void
4032mptsas_handle_queue_full_event(struct fw_event_work *fw_event)
4033{
4034 MPT_ADAPTER *ioc;
4035 EventDataQueueFull_t *qfull_data;
4036 struct mptsas_device_info *sas_info;
4037 struct scsi_device *sdev;
4038 int depth;
4039 int id = -1;
4040 int channel = -1;
4041 int fw_id, fw_channel;
4042 u16 current_depth;
4043
4044
4045 ioc = fw_event->ioc;
4046 qfull_data = (EventDataQueueFull_t *)fw_event->event_data;
4047 fw_id = qfull_data->TargetID;
4048 fw_channel = qfull_data->Bus;
4049 current_depth = le16_to_cpu(qfull_data->CurrentDepth);
4050
4051 /* if hidden raid component, look for the volume id */
4052 mutex_lock(&ioc->sas_device_info_mutex);
4053 if (mptscsih_is_phys_disk(ioc, fw_channel, fw_id)) {
4054 list_for_each_entry(sas_info, &ioc->sas_device_info_list,
4055 list) {
4056 if (sas_info->is_cached ||
4057 sas_info->is_logical_volume)
4058 continue;
4059 if (sas_info->is_hidden_raid_component &&
4060 (sas_info->fw.channel == fw_channel &&
4061 sas_info->fw.id == fw_id)) {
4062 id = sas_info->volume_id;
4063 channel = MPTSAS_RAID_CHANNEL;
4064 goto out;
4065 }
4066 }
4067 } else {
4068 list_for_each_entry(sas_info, &ioc->sas_device_info_list,
4069 list) {
4070 if (sas_info->is_cached ||
4071 sas_info->is_hidden_raid_component ||
4072 sas_info->is_logical_volume)
4073 continue;
4074 if (sas_info->fw.channel == fw_channel &&
4075 sas_info->fw.id == fw_id) {
4076 id = sas_info->os.id;
4077 channel = sas_info->os.channel;
4078 goto out;
4079 }
4080 }
4081
4082 }
4083
4084 out:
4085 mutex_unlock(&ioc->sas_device_info_mutex);
4086
4087 if (id != -1) {
4088 shost_for_each_device(sdev, ioc->sh) {
4089 if (sdev->id == id && sdev->channel == channel) {
4090 if (current_depth > sdev->queue_depth) {
4091 sdev_printk(KERN_INFO, sdev,
4092 "strange observation, the queue "
4093 "depth is (%d) meanwhile fw queue "
4094 "depth (%d)\n", sdev->queue_depth,
4095 current_depth);
4096 continue;
4097 }
4098 depth = scsi_track_queue_full(sdev,
4099 current_depth - 1);
4100 if (depth > 0)
4101 sdev_printk(KERN_INFO, sdev,
4102 "Queue depth reduced to (%d)\n",
4103 depth);
4104 else if (depth < 0)
4105 sdev_printk(KERN_INFO, sdev,
4106 "Tagged Command Queueing is being "
4107 "disabled\n");
4108 else if (depth == 0)
4109 sdev_printk(KERN_INFO, sdev,
4110 "Queue depth not changed yet\n");
4111 }
4112 }
4113 }
4114
4115 mptsas_free_fw_event(ioc, fw_event);
4116}
4117
4118
4119static struct mptsas_phyinfo *
4120mptsas_find_phyinfo_by_sas_address(MPT_ADAPTER *ioc, u64 sas_address)
4121{
4122 struct mptsas_portinfo *port_info;
4123 struct mptsas_phyinfo *phy_info = NULL;
4124 int i;
4125
4126 mutex_lock(&ioc->sas_topology_mutex);
4127 list_for_each_entry(port_info, &ioc->sas_topology, list) {
4128 for (i = 0; i < port_info->num_phys; i++) {
4129 if (!mptsas_is_end_device(
4130 &port_info->phy_info[i].attached))
4131 continue;
4132 if (port_info->phy_info[i].attached.sas_address
4133 != sas_address)
4134 continue;
4135 phy_info = &port_info->phy_info[i];
4136 break;
4137 }
4138 }
4139 mutex_unlock(&ioc->sas_topology_mutex);
4140 return phy_info;
4141}
4142
4143/**
4144 * mptsas_find_phyinfo_by_phys_disk_num -
4145 * @ioc: Pointer to MPT_ADAPTER structure
4146 * @phys_disk_num:
4147 * @channel:
4148 * @id:
4149 *
4150 **/
4151static struct mptsas_phyinfo *
4152mptsas_find_phyinfo_by_phys_disk_num(MPT_ADAPTER *ioc, u8 phys_disk_num,
4153 u8 channel, u8 id)
4154{
4155 struct mptsas_phyinfo *phy_info = NULL;
4156 struct mptsas_portinfo *port_info;
4157 RaidPhysDiskPage1_t *phys_disk = NULL;
4158 int num_paths;
4159 u64 sas_address = 0;
4160 int i;
4161
4162 phy_info = NULL;
4163 if (!ioc->raid_data.pIocPg3)
4164 return NULL;
4165 /* dual port support */
4166 num_paths = mpt_raid_phys_disk_get_num_paths(ioc, phys_disk_num);
4167 if (!num_paths)
4168 goto out;
4169 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
4170 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
4171 if (!phys_disk)
4172 goto out;
4173 mpt_raid_phys_disk_pg1(ioc, phys_disk_num, phys_disk);
4174 for (i = 0; i < num_paths; i++) {
4175 if ((phys_disk->Path[i].Flags & 1) != 0)
4176 /* entry no longer valid */
4177 continue;
4178 if ((id == phys_disk->Path[i].PhysDiskID) &&
4179 (channel == phys_disk->Path[i].PhysDiskBus)) {
4180 memcpy(&sas_address, &phys_disk->Path[i].WWID,
4181 sizeof(u64));
4182 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4183 sas_address);
4184 goto out;
4185 }
4186 }
4187
4188 out:
4189 kfree(phys_disk);
4190 if (phy_info)
4191 return phy_info;
4192
4193 /*
4194 * Extra code to handle RAID0 case, where the sas_address is not updated
4195 * in phys_disk_page_1 when hotswapped
4196 */
4197 mutex_lock(&ioc->sas_topology_mutex);
4198 list_for_each_entry(port_info, &ioc->sas_topology, list) {
4199 for (i = 0; i < port_info->num_phys && !phy_info; i++) {
4200 if (!mptsas_is_end_device(
4201 &port_info->phy_info[i].attached))
4202 continue;
4203 if (port_info->phy_info[i].attached.phys_disk_num == ~0)
4204 continue;
4205 if ((port_info->phy_info[i].attached.phys_disk_num ==
4206 phys_disk_num) &&
4207 (port_info->phy_info[i].attached.id == id) &&
4208 (port_info->phy_info[i].attached.channel ==
4209 channel))
4210 phy_info = &port_info->phy_info[i];
4211 }
4212 }
4213 mutex_unlock(&ioc->sas_topology_mutex);
4214 return phy_info;
4215}
4216
4217static void
4218mptsas_reprobe_lun(struct scsi_device *sdev, void *data)
4219{
4220 int rc;
4221
4222 sdev->no_uld_attach = data ? 1 : 0;
4223 rc = scsi_device_reprobe(sdev);
4224}
4225
4226static void
4227mptsas_reprobe_target(struct scsi_target *starget, int uld_attach)
4228{
4229 starget_for_each_device(starget, uld_attach ? (void *)1 : NULL,
4230 mptsas_reprobe_lun);
4231}
4232
4233static void
4234mptsas_adding_inactive_raid_components(MPT_ADAPTER *ioc, u8 channel, u8 id)
4235{
4236 CONFIGPARMS cfg;
4237 ConfigPageHeader_t hdr;
4238 dma_addr_t dma_handle;
4239 pRaidVolumePage0_t buffer = NULL;
4240 RaidPhysDiskPage0_t phys_disk;
4241 int i;
4242 struct mptsas_phyinfo *phy_info;
4243 struct mptsas_devinfo sas_device;
4244
4245 memset(&cfg, 0 , sizeof(CONFIGPARMS));
4246 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
4247 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME;
4248 cfg.pageAddr = (channel << 8) + id;
4249 cfg.cfghdr.hdr = &hdr;
4250 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
4251 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
4252
4253 if (mpt_config(ioc, &cfg) != 0)
4254 goto out;
4255
4256 if (!hdr.PageLength)
4257 goto out;
4258
4259 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
4260 &dma_handle);
4261
4262 if (!buffer)
4263 goto out;
4264
4265 cfg.physAddr = dma_handle;
4266 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
4267
4268 if (mpt_config(ioc, &cfg) != 0)
4269 goto out;
4270
4271 if (!(buffer->VolumeStatus.Flags &
4272 MPI_RAIDVOL0_STATUS_FLAG_VOLUME_INACTIVE))
4273 goto out;
4274
4275 if (!buffer->NumPhysDisks)
4276 goto out;
4277
4278 for (i = 0; i < buffer->NumPhysDisks; i++) {
4279
4280 if (mpt_raid_phys_disk_pg0(ioc,
4281 buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0)
4282 continue;
4283
4284 if (mptsas_sas_device_pg0(ioc, &sas_device,
4285 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4286 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4287 (phys_disk.PhysDiskBus << 8) +
4288 phys_disk.PhysDiskID))
4289 continue;
4290
4291 /* If there is no FW B_T mapping for this device then continue
4292 * */
4293 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4294 || !(sas_device.flags &
4295 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4296 continue;
4297
4298
4299 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4300 sas_device.sas_address);
4301 mptsas_add_end_device(ioc, phy_info);
4302 }
4303
4304 out:
4305 if (buffer)
4306 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
4307 dma_handle);
4308}
4309/*
4310 * Work queue thread to handle SAS hotplug events
4311 */
4312static void
4313mptsas_hotplug_work(MPT_ADAPTER *ioc, struct fw_event_work *fw_event,
4314 struct mptsas_hotplug_event *hot_plug_info)
4315{
4316 struct mptsas_phyinfo *phy_info;
4317 struct scsi_target * starget;
4318 struct mptsas_devinfo sas_device;
4319 VirtTarget *vtarget;
4320 int i;
4321 struct mptsas_portinfo *port_info;
4322
4323 switch (hot_plug_info->event_type) {
4324
4325 case MPTSAS_ADD_PHYSDISK:
4326
4327 if (!ioc->raid_data.pIocPg2)
4328 break;
4329
4330 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
4331 if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID ==
4332 hot_plug_info->id) {
4333 printk(MYIOC_s_WARN_FMT "firmware bug: unable "
4334 "to add hidden disk - target_id matchs "
4335 "volume_id\n", ioc->name);
4336 mptsas_free_fw_event(ioc, fw_event);
4337 return;
4338 }
4339 }
4340 mpt_findImVolumes(ioc);
4341
4342 case MPTSAS_ADD_DEVICE:
4343 memset(&sas_device, 0, sizeof(struct mptsas_devinfo));
4344 mptsas_sas_device_pg0(ioc, &sas_device,
4345 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4346 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4347 (hot_plug_info->channel << 8) +
4348 hot_plug_info->id);
4349
4350 /* If there is no FW B_T mapping for this device then break
4351 * */
4352 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4353 || !(sas_device.flags &
4354 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4355 break;
4356
4357 if (!sas_device.handle)
4358 return;
4359
4360 phy_info = mptsas_refreshing_device_handles(ioc, &sas_device);
4361 /* Only For SATA Device ADD */
4362 if (!phy_info && (sas_device.device_info &
4363 MPI_SAS_DEVICE_INFO_SATA_DEVICE)) {
4364 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4365 "%s %d SATA HOT PLUG: "
4366 "parent handle of device %x\n", ioc->name,
4367 __func__, __LINE__, sas_device.handle_parent));
4368 port_info = mptsas_find_portinfo_by_handle(ioc,
4369 sas_device.handle_parent);
4370
4371 if (port_info == ioc->hba_port_info)
4372 mptsas_probe_hba_phys(ioc);
4373 else if (port_info)
4374 mptsas_expander_refresh(ioc, port_info);
4375 else {
4376 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4377 "%s %d port info is NULL\n",
4378 ioc->name, __func__, __LINE__));
4379 break;
4380 }
4381 phy_info = mptsas_refreshing_device_handles
4382 (ioc, &sas_device);
4383 }
4384
4385 if (!phy_info) {
4386 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4387 "%s %d phy info is NULL\n",
4388 ioc->name, __func__, __LINE__));
4389 break;
4390 }
4391
4392 if (mptsas_get_rphy(phy_info))
4393 break;
4394
4395 mptsas_add_end_device(ioc, phy_info);
4396 break;
4397
4398 case MPTSAS_DEL_DEVICE:
4399 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4400 hot_plug_info->sas_address);
4401 mptsas_del_end_device(ioc, phy_info);
4402 break;
4403
4404 case MPTSAS_DEL_PHYSDISK:
4405
4406 mpt_findImVolumes(ioc);
4407
4408 phy_info = mptsas_find_phyinfo_by_phys_disk_num(
4409 ioc, hot_plug_info->phys_disk_num,
4410 hot_plug_info->channel,
4411 hot_plug_info->id);
4412 mptsas_del_end_device(ioc, phy_info);
4413 break;
4414
4415 case MPTSAS_ADD_PHYSDISK_REPROBE:
4416
4417 if (mptsas_sas_device_pg0(ioc, &sas_device,
4418 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4419 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4420 (hot_plug_info->channel << 8) + hot_plug_info->id)) {
4421 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4422 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4423 __func__, hot_plug_info->id, __LINE__));
4424 break;
4425 }
4426
4427 /* If there is no FW B_T mapping for this device then break
4428 * */
4429 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4430 || !(sas_device.flags &
4431 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4432 break;
4433
4434 phy_info = mptsas_find_phyinfo_by_sas_address(
4435 ioc, sas_device.sas_address);
4436
4437 if (!phy_info) {
4438 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4439 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4440 __func__, hot_plug_info->id, __LINE__));
4441 break;
4442 }
4443
4444 starget = mptsas_get_starget(phy_info);
4445 if (!starget) {
4446 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4447 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4448 __func__, hot_plug_info->id, __LINE__));
4449 break;
4450 }
4451
4452 vtarget = starget->hostdata;
4453 if (!vtarget) {
4454 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4455 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4456 __func__, hot_plug_info->id, __LINE__));
4457 break;
4458 }
4459
4460 mpt_findImVolumes(ioc);
4461
4462 starget_printk(KERN_INFO, starget, MYIOC_s_FMT "RAID Hidding: "
4463 "fw_channel=%d, fw_id=%d, physdsk %d, sas_addr 0x%llx\n",
4464 ioc->name, hot_plug_info->channel, hot_plug_info->id,
4465 hot_plug_info->phys_disk_num, (unsigned long long)
4466 sas_device.sas_address);
4467
4468 vtarget->id = hot_plug_info->phys_disk_num;
4469 vtarget->tflags |= MPT_TARGET_FLAGS_RAID_COMPONENT;
4470 phy_info->attached.phys_disk_num = hot_plug_info->phys_disk_num;
4471 mptsas_reprobe_target(starget, 1);
4472 break;
4473
4474 case MPTSAS_DEL_PHYSDISK_REPROBE:
4475
4476 if (mptsas_sas_device_pg0(ioc, &sas_device,
4477 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4478 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4479 (hot_plug_info->channel << 8) + hot_plug_info->id)) {
4480 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4481 "%s: fw_id=%d exit at line=%d\n",
4482 ioc->name, __func__,
4483 hot_plug_info->id, __LINE__));
4484 break;
4485 }
4486
4487 /* If there is no FW B_T mapping for this device then break
4488 * */
4489 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4490 || !(sas_device.flags &
4491 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4492 break;
4493
4494 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4495 sas_device.sas_address);
4496 if (!phy_info) {
4497 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4498 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4499 __func__, hot_plug_info->id, __LINE__));
4500 break;
4501 }
4502
4503 starget = mptsas_get_starget(phy_info);
4504 if (!starget) {
4505 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4506 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4507 __func__, hot_plug_info->id, __LINE__));
4508 break;
4509 }
4510
4511 vtarget = starget->hostdata;
4512 if (!vtarget) {
4513 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4514 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4515 __func__, hot_plug_info->id, __LINE__));
4516 break;
4517 }
4518
4519 if (!(vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)) {
4520 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4521 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4522 __func__, hot_plug_info->id, __LINE__));
4523 break;
4524 }
4525
4526 mpt_findImVolumes(ioc);
4527
4528 starget_printk(KERN_INFO, starget, MYIOC_s_FMT "RAID Exposing:"
4529 " fw_channel=%d, fw_id=%d, physdsk %d, sas_addr 0x%llx\n",
4530 ioc->name, hot_plug_info->channel, hot_plug_info->id,
4531 hot_plug_info->phys_disk_num, (unsigned long long)
4532 sas_device.sas_address);
4533
4534 vtarget->tflags &= ~MPT_TARGET_FLAGS_RAID_COMPONENT;
4535 vtarget->id = hot_plug_info->id;
4536 phy_info->attached.phys_disk_num = ~0;
4537 mptsas_reprobe_target(starget, 0);
4538 mptsas_add_device_component_by_fw(ioc,
4539 hot_plug_info->channel, hot_plug_info->id);
4540 break;
4541
4542 case MPTSAS_ADD_RAID:
4543
4544 mpt_findImVolumes(ioc);
4545 printk(MYIOC_s_INFO_FMT "attaching raid volume, channel %d, "
4546 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL,
4547 hot_plug_info->id);
4548 scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL,
4549 hot_plug_info->id, 0);
4550 break;
4551
4552 case MPTSAS_DEL_RAID:
4553
4554 mpt_findImVolumes(ioc);
4555 printk(MYIOC_s_INFO_FMT "removing raid volume, channel %d, "
4556 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL,
4557 hot_plug_info->id);
4558 scsi_remove_device(hot_plug_info->sdev);
4559 scsi_device_put(hot_plug_info->sdev);
4560 break;
4561
4562 case MPTSAS_ADD_INACTIVE_VOLUME:
4563
4564 mpt_findImVolumes(ioc);
4565 mptsas_adding_inactive_raid_components(ioc,
4566 hot_plug_info->channel, hot_plug_info->id);
4567 break;
4568
4569 default:
4570 break;
4571 }
4572
4573 mptsas_free_fw_event(ioc, fw_event);
4574}
4575
4576static void
4577mptsas_send_sas_event(struct fw_event_work *fw_event)
4578{
4579 MPT_ADAPTER *ioc;
4580 struct mptsas_hotplug_event hot_plug_info;
4581 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data;
4582 u32 device_info;
4583 u64 sas_address;
4584
4585 ioc = fw_event->ioc;
4586 sas_event_data = (EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *)
4587 fw_event->event_data;
4588 device_info = le32_to_cpu(sas_event_data->DeviceInfo);
4589
4590 if ((device_info &
4591 (MPI_SAS_DEVICE_INFO_SSP_TARGET |
4592 MPI_SAS_DEVICE_INFO_STP_TARGET |
4593 MPI_SAS_DEVICE_INFO_SATA_DEVICE)) == 0) {
4594 mptsas_free_fw_event(ioc, fw_event);
4595 return;
4596 }
4597
4598 if (sas_event_data->ReasonCode ==
4599 MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED) {
4600 mptbase_sas_persist_operation(ioc,
4601 MPI_SAS_OP_CLEAR_NOT_PRESENT);
4602 mptsas_free_fw_event(ioc, fw_event);
4603 return;
4604 }
4605
4606 switch (sas_event_data->ReasonCode) {
4607 case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING:
4608 case MPI_EVENT_SAS_DEV_STAT_RC_ADDED:
4609 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
4610 hot_plug_info.handle = le16_to_cpu(sas_event_data->DevHandle);
4611 hot_plug_info.channel = sas_event_data->Bus;
4612 hot_plug_info.id = sas_event_data->TargetID;
4613 hot_plug_info.phy_id = sas_event_data->PhyNum;
4614 memcpy(&sas_address, &sas_event_data->SASAddress,
4615 sizeof(u64));
4616 hot_plug_info.sas_address = le64_to_cpu(sas_address);
4617 hot_plug_info.device_info = device_info;
4618 if (sas_event_data->ReasonCode &
4619 MPI_EVENT_SAS_DEV_STAT_RC_ADDED)
4620 hot_plug_info.event_type = MPTSAS_ADD_DEVICE;
4621 else
4622 hot_plug_info.event_type = MPTSAS_DEL_DEVICE;
4623 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
4624 break;
4625
4626 case MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED:
4627 mptbase_sas_persist_operation(ioc,
4628 MPI_SAS_OP_CLEAR_NOT_PRESENT);
4629 mptsas_free_fw_event(ioc, fw_event);
4630 break;
4631
4632 case MPI_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
4633 /* TODO */
4634 case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
4635 /* TODO */
4636 default:
4637 mptsas_free_fw_event(ioc, fw_event);
4638 break;
4639 }
4640}
4641
4642static void
4643mptsas_send_raid_event(struct fw_event_work *fw_event)
4644{
4645 MPT_ADAPTER *ioc;
4646 EVENT_DATA_RAID *raid_event_data;
4647 struct mptsas_hotplug_event hot_plug_info;
4648 int status;
4649 int state;
4650 struct scsi_device *sdev = NULL;
4651 VirtDevice *vdevice = NULL;
4652 RaidPhysDiskPage0_t phys_disk;
4653
4654 ioc = fw_event->ioc;
4655 raid_event_data = (EVENT_DATA_RAID *)fw_event->event_data;
4656 status = le32_to_cpu(raid_event_data->SettingsStatus);
4657 state = (status >> 8) & 0xff;
4658
4659 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
4660 hot_plug_info.id = raid_event_data->VolumeID;
4661 hot_plug_info.channel = raid_event_data->VolumeBus;
4662 hot_plug_info.phys_disk_num = raid_event_data->PhysDiskNum;
4663
4664 if (raid_event_data->ReasonCode == MPI_EVENT_RAID_RC_VOLUME_DELETED ||
4665 raid_event_data->ReasonCode == MPI_EVENT_RAID_RC_VOLUME_CREATED ||
4666 raid_event_data->ReasonCode ==
4667 MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED) {
4668 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL,
4669 hot_plug_info.id, 0);
4670 hot_plug_info.sdev = sdev;
4671 if (sdev)
4672 vdevice = sdev->hostdata;
4673 }
4674
4675 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Entering %s: "
4676 "ReasonCode=%02x\n", ioc->name, __func__,
4677 raid_event_data->ReasonCode));
4678
4679 switch (raid_event_data->ReasonCode) {
4680 case MPI_EVENT_RAID_RC_PHYSDISK_DELETED:
4681 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK_REPROBE;
4682 break;
4683 case MPI_EVENT_RAID_RC_PHYSDISK_CREATED:
4684 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK_REPROBE;
4685 break;
4686 case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED:
4687 switch (state) {
4688 case MPI_PD_STATE_ONLINE:
4689 case MPI_PD_STATE_NOT_COMPATIBLE:
4690 mpt_raid_phys_disk_pg0(ioc,
4691 raid_event_data->PhysDiskNum, &phys_disk);
4692 hot_plug_info.id = phys_disk.PhysDiskID;
4693 hot_plug_info.channel = phys_disk.PhysDiskBus;
4694 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK;
4695 break;
4696 case MPI_PD_STATE_FAILED:
4697 case MPI_PD_STATE_MISSING:
4698 case MPI_PD_STATE_OFFLINE_AT_HOST_REQUEST:
4699 case MPI_PD_STATE_FAILED_AT_HOST_REQUEST:
4700 case MPI_PD_STATE_OFFLINE_FOR_ANOTHER_REASON:
4701 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK;
4702 break;
4703 default:
4704 break;
4705 }
4706 break;
4707 case MPI_EVENT_RAID_RC_VOLUME_DELETED:
4708 if (!sdev)
4709 break;
4710 vdevice->vtarget->deleted = 1; /* block IO */
4711 hot_plug_info.event_type = MPTSAS_DEL_RAID;
4712 break;
4713 case MPI_EVENT_RAID_RC_VOLUME_CREATED:
4714 if (sdev) {
4715 scsi_device_put(sdev);
4716 break;
4717 }
4718 hot_plug_info.event_type = MPTSAS_ADD_RAID;
4719 break;
4720 case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED:
4721 if (!(status & MPI_RAIDVOL0_STATUS_FLAG_ENABLED)) {
4722 if (!sdev)
4723 break;
4724 vdevice->vtarget->deleted = 1; /* block IO */
4725 hot_plug_info.event_type = MPTSAS_DEL_RAID;
4726 break;
4727 }
4728 switch (state) {
4729 case MPI_RAIDVOL0_STATUS_STATE_FAILED:
4730 case MPI_RAIDVOL0_STATUS_STATE_MISSING:
4731 if (!sdev)
4732 break;
4733 vdevice->vtarget->deleted = 1; /* block IO */
4734 hot_plug_info.event_type = MPTSAS_DEL_RAID;
4735 break;
4736 case MPI_RAIDVOL0_STATUS_STATE_OPTIMAL:
4737 case MPI_RAIDVOL0_STATUS_STATE_DEGRADED:
4738 if (sdev) {
4739 scsi_device_put(sdev);
4740 break;
4741 }
4742 hot_plug_info.event_type = MPTSAS_ADD_RAID;
4743 break;
4744 default:
4745 break;
4746 }
4747 break;
4748 default:
4749 break;
4750 }
4751
4752 if (hot_plug_info.event_type != MPTSAS_IGNORE_EVENT)
4753 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
4754 else
4755 mptsas_free_fw_event(ioc, fw_event);
4756}
4757
4758/**
4759 * mptsas_issue_tm - send mptsas internal tm request
4760 * @ioc: Pointer to MPT_ADAPTER structure
4761 * @type: Task Management type
4762 * @channel: channel number for task management
4763 * @id: Logical Target ID for reset (if appropriate)
4764 * @lun: Logical unit for reset (if appropriate)
4765 * @task_context: Context for the task to be aborted
4766 * @timeout: timeout for task management control
4767 *
4768 * return 0 on success and -1 on failure:
4769 *
4770 */
4771static int
4772mptsas_issue_tm(MPT_ADAPTER *ioc, u8 type, u8 channel, u8 id, u64 lun,
4773 int task_context, ulong timeout, u8 *issue_reset)
4774{
4775 MPT_FRAME_HDR *mf;
4776 SCSITaskMgmt_t *pScsiTm;
4777 int retval;
4778 unsigned long timeleft;
4779
4780 *issue_reset = 0;
4781 mf = mpt_get_msg_frame(mptsasDeviceResetCtx, ioc);
4782 if (mf == NULL) {
4783 retval = -1; /* return failure */
4784 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT "TaskMgmt request: no "
4785 "msg frames!!\n", ioc->name));
4786 goto out;
4787 }
4788
4789 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request: mr = %p, "
4790 "task_type = 0x%02X,\n\t timeout = %ld, fw_channel = %d, "
4791 "fw_id = %d, lun = %lld,\n\t task_context = 0x%x\n", ioc->name, mf,
4792 type, timeout, channel, id, (unsigned long long)lun,
4793 task_context));
4794
4795 pScsiTm = (SCSITaskMgmt_t *) mf;
4796 memset(pScsiTm, 0, sizeof(SCSITaskMgmt_t));
4797 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
4798 pScsiTm->TaskType = type;
4799 pScsiTm->MsgFlags = 0;
4800 pScsiTm->TargetID = id;
4801 pScsiTm->Bus = channel;
4802 pScsiTm->ChainOffset = 0;
4803 pScsiTm->Reserved = 0;
4804 pScsiTm->Reserved1 = 0;
4805 pScsiTm->TaskMsgContext = task_context;
4806 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
4807
4808 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
4809 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
4810 retval = 0;
4811 mpt_put_msg_frame_hi_pri(mptsasDeviceResetCtx, ioc, mf);
4812
4813 /* Now wait for the command to complete */
4814 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
4815 timeout*HZ);
4816 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
4817 retval = -1; /* return failure */
4818 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
4819 "TaskMgmt request: TIMED OUT!(mr=%p)\n", ioc->name, mf));
4820 mpt_free_msg_frame(ioc, mf);
4821 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
4822 goto out;
4823 *issue_reset = 1;
4824 goto out;
4825 }
4826
4827 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
4828 retval = -1; /* return failure */
4829 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4830 "TaskMgmt request: failed with no reply\n", ioc->name));
4831 goto out;
4832 }
4833
4834 out:
4835 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
4836 return retval;
4837}
4838
4839/**
4840 * mptsas_broadcast_primative_work - Handle broadcast primitives
4841 * @work: work queue payload containing info describing the event
4842 *
4843 * this will be handled in workqueue context.
4844 */
4845static void
4846mptsas_broadcast_primative_work(struct fw_event_work *fw_event)
4847{
4848 MPT_ADAPTER *ioc = fw_event->ioc;
4849 MPT_FRAME_HDR *mf;
4850 VirtDevice *vdevice;
4851 int ii;
4852 struct scsi_cmnd *sc;
4853 SCSITaskMgmtReply_t *pScsiTmReply;
4854 u8 issue_reset;
4855 int task_context;
4856 u8 channel, id;
4857 int lun;
4858 u32 termination_count;
4859 u32 query_count;
4860
4861 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4862 "%s - enter\n", ioc->name, __func__));
4863
4864 mutex_lock(&ioc->taskmgmt_cmds.mutex);
4865 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
4866 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
4867 mptsas_requeue_fw_event(ioc, fw_event, 1000);
4868 return;
4869 }
4870
4871 issue_reset = 0;
4872 termination_count = 0;
4873 query_count = 0;
4874 mpt_findImVolumes(ioc);
4875 pScsiTmReply = (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply;
4876
4877 for (ii = 0; ii < ioc->req_depth; ii++) {
4878 if (ioc->fw_events_off)
4879 goto out;
4880 sc = mptscsih_get_scsi_lookup(ioc, ii);
4881 if (!sc)
4882 continue;
4883 mf = MPT_INDEX_2_MFPTR(ioc, ii);
4884 if (!mf)
4885 continue;
4886 task_context = mf->u.frame.hwhdr.msgctxu.MsgContext;
4887 vdevice = sc->device->hostdata;
4888 if (!vdevice || !vdevice->vtarget)
4889 continue;
4890 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
4891 continue; /* skip hidden raid components */
4892 if (vdevice->vtarget->raidVolume)
4893 continue; /* skip hidden raid components */
4894 channel = vdevice->vtarget->channel;
4895 id = vdevice->vtarget->id;
4896 lun = vdevice->lun;
4897 if (mptsas_issue_tm(ioc, MPI_SCSITASKMGMT_TASKTYPE_QUERY_TASK,
4898 channel, id, (u64)lun, task_context, 30, &issue_reset))
4899 goto out;
4900 query_count++;
4901 termination_count +=
4902 le32_to_cpu(pScsiTmReply->TerminationCount);
4903 if ((pScsiTmReply->IOCStatus == MPI_IOCSTATUS_SUCCESS) &&
4904 (pScsiTmReply->ResponseCode ==
4905 MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED ||
4906 pScsiTmReply->ResponseCode ==
4907 MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC))
4908 continue;
4909 if (mptsas_issue_tm(ioc,
4910 MPI_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET,
4911 channel, id, (u64)lun, 0, 30, &issue_reset))
4912 goto out;
4913 termination_count +=
4914 le32_to_cpu(pScsiTmReply->TerminationCount);
4915 }
4916
4917 out:
4918 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4919 "%s - exit, query_count = %d termination_count = %d\n",
4920 ioc->name, __func__, query_count, termination_count));
4921
4922 ioc->broadcast_aen_busy = 0;
4923 mpt_clear_taskmgmt_in_progress_flag(ioc);
4924 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
4925
4926 if (issue_reset) {
4927 printk(MYIOC_s_WARN_FMT
4928 "Issuing Reset from %s!! doorbell=0x%08x\n",
4929 ioc->name, __func__, mpt_GetIocState(ioc, 0));
4930 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
4931 }
4932 mptsas_free_fw_event(ioc, fw_event);
4933}
4934
4935/*
4936 * mptsas_send_ir2_event - handle exposing hidden disk when
4937 * an inactive raid volume is added
4938 *
4939 * @ioc: Pointer to MPT_ADAPTER structure
4940 * @ir2_data
4941 *
4942 */
4943static void
4944mptsas_send_ir2_event(struct fw_event_work *fw_event)
4945{
4946 MPT_ADAPTER *ioc;
4947 struct mptsas_hotplug_event hot_plug_info;
4948 MPI_EVENT_DATA_IR2 *ir2_data;
4949 u8 reasonCode;
4950 RaidPhysDiskPage0_t phys_disk;
4951
4952 ioc = fw_event->ioc;
4953 ir2_data = (MPI_EVENT_DATA_IR2 *)fw_event->event_data;
4954 reasonCode = ir2_data->ReasonCode;
4955
4956 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Entering %s: "
4957 "ReasonCode=%02x\n", ioc->name, __func__, reasonCode));
4958
4959 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
4960 hot_plug_info.id = ir2_data->TargetID;
4961 hot_plug_info.channel = ir2_data->Bus;
4962 switch (reasonCode) {
4963 case MPI_EVENT_IR2_RC_FOREIGN_CFG_DETECTED:
4964 hot_plug_info.event_type = MPTSAS_ADD_INACTIVE_VOLUME;
4965 break;
4966 case MPI_EVENT_IR2_RC_DUAL_PORT_REMOVED:
4967 hot_plug_info.phys_disk_num = ir2_data->PhysDiskNum;
4968 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK;
4969 break;
4970 case MPI_EVENT_IR2_RC_DUAL_PORT_ADDED:
4971 hot_plug_info.phys_disk_num = ir2_data->PhysDiskNum;
4972 mpt_raid_phys_disk_pg0(ioc,
4973 ir2_data->PhysDiskNum, &phys_disk);
4974 hot_plug_info.id = phys_disk.PhysDiskID;
4975 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK;
4976 break;
4977 default:
4978 mptsas_free_fw_event(ioc, fw_event);
4979 return;
4980 }
4981 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
4982}
4983
4984static int
4985mptsas_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *reply)
4986{
4987 u32 event = le32_to_cpu(reply->Event);
4988 int sz, event_data_sz;
4989 struct fw_event_work *fw_event;
4990 unsigned long delay;
4991
4992 if (ioc->bus_type != SAS)
4993 return 0;
4994
4995 /* events turned off due to host reset or driver unloading */
4996 if (ioc->fw_events_off)
4997 return 0;
4998
4999 delay = msecs_to_jiffies(1);
5000 switch (event) {
5001 case MPI_EVENT_SAS_BROADCAST_PRIMITIVE:
5002 {
5003 EVENT_DATA_SAS_BROADCAST_PRIMITIVE *broadcast_event_data =
5004 (EVENT_DATA_SAS_BROADCAST_PRIMITIVE *)reply->Data;
5005 if (broadcast_event_data->Primitive !=
5006 MPI_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT)
5007 return 0;
5008 if (ioc->broadcast_aen_busy)
5009 return 0;
5010 ioc->broadcast_aen_busy = 1;
5011 break;
5012 }
5013 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
5014 {
5015 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data =
5016 (EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *)reply->Data;
5017 u16 ioc_stat;
5018 ioc_stat = le16_to_cpu(reply->IOCStatus);
5019
5020 if (sas_event_data->ReasonCode ==
5021 MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING) {
5022 mptsas_target_reset_queue(ioc, sas_event_data);
5023 return 0;
5024 }
5025 if (sas_event_data->ReasonCode ==
5026 MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET &&
5027 ioc->device_missing_delay &&
5028 (ioc_stat & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)) {
5029 VirtTarget *vtarget = NULL;
5030 u8 id, channel;
5031
5032 id = sas_event_data->TargetID;
5033 channel = sas_event_data->Bus;
5034
5035 vtarget = mptsas_find_vtarget(ioc, channel, id);
5036 if (vtarget) {
5037 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5038 "LogInfo (0x%x) available for "
5039 "INTERNAL_DEVICE_RESET"
5040 "fw_id %d fw_channel %d\n", ioc->name,
5041 le32_to_cpu(reply->IOCLogInfo),
5042 id, channel));
5043 if (vtarget->raidVolume) {
5044 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5045 "Skipping Raid Volume for inDMD\n",
5046 ioc->name));
5047 } else {
5048 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5049 "Setting device flag inDMD\n",
5050 ioc->name));
5051 vtarget->inDMD = 1;
5052 }
5053
5054 }
5055
5056 }
5057
5058 break;
5059 }
5060 case MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE:
5061 {
5062 MpiEventDataSasExpanderStatusChange_t *expander_data =
5063 (MpiEventDataSasExpanderStatusChange_t *)reply->Data;
5064
5065 if (ioc->old_sas_discovery_protocal)
5066 return 0;
5067
5068 if (expander_data->ReasonCode ==
5069 MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING &&
5070 ioc->device_missing_delay)
5071 delay = HZ * ioc->device_missing_delay;
5072 break;
5073 }
5074 case MPI_EVENT_SAS_DISCOVERY:
5075 {
5076 u32 discovery_status;
5077 EventDataSasDiscovery_t *discovery_data =
5078 (EventDataSasDiscovery_t *)reply->Data;
5079
5080 discovery_status = le32_to_cpu(discovery_data->DiscoveryStatus);
5081 ioc->sas_discovery_quiesce_io = discovery_status ? 1 : 0;
5082 if (ioc->old_sas_discovery_protocal && !discovery_status)
5083 mptsas_queue_rescan(ioc);
5084 return 0;
5085 }
5086 case MPI_EVENT_INTEGRATED_RAID:
5087 case MPI_EVENT_PERSISTENT_TABLE_FULL:
5088 case MPI_EVENT_IR2:
5089 case MPI_EVENT_SAS_PHY_LINK_STATUS:
5090 case MPI_EVENT_QUEUE_FULL:
5091 break;
5092 default:
5093 return 0;
5094 }
5095
5096 event_data_sz = ((reply->MsgLength * 4) -
5097 offsetof(EventNotificationReply_t, Data));
5098 sz = offsetof(struct fw_event_work, event_data) + event_data_sz;
5099 fw_event = kzalloc(sz, GFP_ATOMIC);
5100 if (!fw_event) {
5101 printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n", ioc->name,
5102 __func__, __LINE__);
5103 return 0;
5104 }
5105 memcpy(fw_event->event_data, reply->Data, event_data_sz);
5106 fw_event->event = event;
5107 fw_event->ioc = ioc;
5108 mptsas_add_fw_event(ioc, fw_event, delay);
5109 return 0;
5110}
5111
5112/* Delete a volume when no longer listed in ioc pg2
5113 */
5114static void mptsas_volume_delete(MPT_ADAPTER *ioc, u8 id)
5115{
5116 struct scsi_device *sdev;
5117 int i;
5118
5119 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL, id, 0);
5120 if (!sdev)
5121 return;
5122 if (!ioc->raid_data.pIocPg2)
5123 goto out;
5124 if (!ioc->raid_data.pIocPg2->NumActiveVolumes)
5125 goto out;
5126 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++)
5127 if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID == id)
5128 goto release_sdev;
5129 out:
5130 printk(MYIOC_s_INFO_FMT "removing raid volume, channel %d, "
5131 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL, id);
5132 scsi_remove_device(sdev);
5133 release_sdev:
5134 scsi_device_put(sdev);
5135}
5136
5137static int
5138mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
5139{
5140 struct Scsi_Host *sh;
5141 MPT_SCSI_HOST *hd;
5142 MPT_ADAPTER *ioc;
5143 unsigned long flags;
5144 int ii;
5145 int numSGE = 0;
5146 int scale;
5147 int ioc_cap;
5148 int error=0;
5149 int r;
5150
5151 r = mpt_attach(pdev,id);
5152 if (r)
5153 return r;
5154
5155 ioc = pci_get_drvdata(pdev);
5156 mptsas_fw_event_off(ioc);
5157 ioc->DoneCtx = mptsasDoneCtx;
5158 ioc->TaskCtx = mptsasTaskCtx;
5159 ioc->InternalCtx = mptsasInternalCtx;
5160 ioc->schedule_target_reset = &mptsas_schedule_target_reset;
5161 ioc->schedule_dead_ioc_flush_running_cmds =
5162 &mptscsih_flush_running_cmds;
5163 /* Added sanity check on readiness of the MPT adapter.
5164 */
5165 if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) {
5166 printk(MYIOC_s_WARN_FMT
5167 "Skipping because it's not operational!\n",
5168 ioc->name);
5169 error = -ENODEV;
5170 goto out_mptsas_probe;
5171 }
5172
5173 if (!ioc->active) {
5174 printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n",
5175 ioc->name);
5176 error = -ENODEV;
5177 goto out_mptsas_probe;
5178 }
5179
5180 /* Sanity check - ensure at least 1 port is INITIATOR capable
5181 */
5182 ioc_cap = 0;
5183 for (ii = 0; ii < ioc->facts.NumberOfPorts; ii++) {
5184 if (ioc->pfacts[ii].ProtocolFlags &
5185 MPI_PORTFACTS_PROTOCOL_INITIATOR)
5186 ioc_cap++;
5187 }
5188
5189 if (!ioc_cap) {
5190 printk(MYIOC_s_WARN_FMT
5191 "Skipping ioc=%p because SCSI Initiator mode "
5192 "is NOT enabled!\n", ioc->name, ioc);
5193 return 0;
5194 }
5195
5196 sh = scsi_host_alloc(&mptsas_driver_template, sizeof(MPT_SCSI_HOST));
5197 if (!sh) {
5198 printk(MYIOC_s_WARN_FMT
5199 "Unable to register controller with SCSI subsystem\n",
5200 ioc->name);
5201 error = -1;
5202 goto out_mptsas_probe;
5203 }
5204
5205 spin_lock_irqsave(&ioc->FreeQlock, flags);
5206
5207 /* Attach the SCSI Host to the IOC structure
5208 */
5209 ioc->sh = sh;
5210
5211 sh->io_port = 0;
5212 sh->n_io_port = 0;
5213 sh->irq = 0;
5214
5215 /* set 16 byte cdb's */
5216 sh->max_cmd_len = 16;
5217 sh->can_queue = min_t(int, ioc->req_depth - 10, sh->can_queue);
5218 sh->max_id = -1;
5219 sh->max_lun = max_lun;
5220 sh->transportt = mptsas_transport_template;
5221
5222 /* Required entry.
5223 */
5224 sh->unique_id = ioc->id;
5225
5226 INIT_LIST_HEAD(&ioc->sas_topology);
5227 mutex_init(&ioc->sas_topology_mutex);
5228 mutex_init(&ioc->sas_discovery_mutex);
5229 mutex_init(&ioc->sas_mgmt.mutex);
5230 init_completion(&ioc->sas_mgmt.done);
5231
5232 /* Verify that we won't exceed the maximum
5233 * number of chain buffers
5234 * We can optimize: ZZ = req_sz/sizeof(SGE)
5235 * For 32bit SGE's:
5236 * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ
5237 * + (req_sz - 64)/sizeof(SGE)
5238 * A slightly different algorithm is required for
5239 * 64bit SGEs.
5240 */
5241 scale = ioc->req_sz/ioc->SGE_size;
5242 if (ioc->sg_addr_size == sizeof(u64)) {
5243 numSGE = (scale - 1) *
5244 (ioc->facts.MaxChainDepth-1) + scale +
5245 (ioc->req_sz - 60) / ioc->SGE_size;
5246 } else {
5247 numSGE = 1 + (scale - 1) *
5248 (ioc->facts.MaxChainDepth-1) + scale +
5249 (ioc->req_sz - 64) / ioc->SGE_size;
5250 }
5251
5252 if (numSGE < sh->sg_tablesize) {
5253 /* Reset this value */
5254 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5255 "Resetting sg_tablesize to %d from %d\n",
5256 ioc->name, numSGE, sh->sg_tablesize));
5257 sh->sg_tablesize = numSGE;
5258 }
5259
5260 if (mpt_loadtime_max_sectors) {
5261 if (mpt_loadtime_max_sectors < 64 ||
5262 mpt_loadtime_max_sectors > 8192) {
5263 printk(MYIOC_s_INFO_FMT "Invalid value passed for"
5264 "mpt_loadtime_max_sectors %d."
5265 "Range from 64 to 8192\n", ioc->name,
5266 mpt_loadtime_max_sectors);
5267 }
5268 mpt_loadtime_max_sectors &= 0xFFFFFFFE;
5269 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5270 "Resetting max sector to %d from %d\n",
5271 ioc->name, mpt_loadtime_max_sectors, sh->max_sectors));
5272 sh->max_sectors = mpt_loadtime_max_sectors;
5273 }
5274
5275 hd = shost_priv(sh);
5276 hd->ioc = ioc;
5277
5278 /* SCSI needs scsi_cmnd lookup table!
5279 * (with size equal to req_depth*PtrSz!)
5280 */
5281 ioc->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC);
5282 if (!ioc->ScsiLookup) {
5283 error = -ENOMEM;
5284 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
5285 goto out_mptsas_probe;
5286 }
5287 spin_lock_init(&ioc->scsi_lookup_lock);
5288
5289 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n",
5290 ioc->name, ioc->ScsiLookup));
5291
5292 ioc->sas_data.ptClear = mpt_pt_clear;
5293
5294 hd->last_queue_full = 0;
5295 INIT_LIST_HEAD(&hd->target_reset_list);
5296 INIT_LIST_HEAD(&ioc->sas_device_info_list);
5297 mutex_init(&ioc->sas_device_info_mutex);
5298
5299 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
5300
5301 if (ioc->sas_data.ptClear==1) {
5302 mptbase_sas_persist_operation(
5303 ioc, MPI_SAS_OP_CLEAR_ALL_PERSISTENT);
5304 }
5305
5306 error = scsi_add_host(sh, &ioc->pcidev->dev);
5307 if (error) {
5308 dprintk(ioc, printk(MYIOC_s_ERR_FMT
5309 "scsi_add_host failed\n", ioc->name));
5310 goto out_mptsas_probe;
5311 }
5312
5313 /* older firmware doesn't support expander events */
5314 if ((ioc->facts.HeaderVersion >> 8) < 0xE)
5315 ioc->old_sas_discovery_protocal = 1;
5316 mptsas_scan_sas_topology(ioc);
5317 mptsas_fw_event_on(ioc);
5318 return 0;
5319
5320 out_mptsas_probe:
5321
5322 mptscsih_remove(pdev);
5323 return error;
5324}
5325
5326void
5327mptsas_shutdown(struct pci_dev *pdev)
5328{
5329 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
5330
5331 mptsas_fw_event_off(ioc);
5332 mptsas_cleanup_fw_event_q(ioc);
5333}
5334
5335static void mptsas_remove(struct pci_dev *pdev)
5336{
5337 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
5338 struct mptsas_portinfo *p, *n;
5339 int i;
5340
5341 if (!ioc->sh) {
5342 printk(MYIOC_s_INFO_FMT "IOC is in Target mode\n", ioc->name);
5343 mpt_detach(pdev);
5344 return;
5345 }
5346
5347 mptsas_shutdown(pdev);
5348
5349 mptsas_del_device_components(ioc);
5350
5351 ioc->sas_discovery_ignore_events = 1;
5352 sas_remove_host(ioc->sh);
5353
5354 mutex_lock(&ioc->sas_topology_mutex);
5355 list_for_each_entry_safe(p, n, &ioc->sas_topology, list) {
5356 list_del(&p->list);
5357 for (i = 0 ; i < p->num_phys ; i++)
5358 mptsas_port_delete(ioc, p->phy_info[i].port_details);
5359
5360 kfree(p->phy_info);
5361 kfree(p);
5362 }
5363 mutex_unlock(&ioc->sas_topology_mutex);
5364 ioc->hba_port_info = NULL;
5365 mptscsih_remove(pdev);
5366}
5367
5368static struct pci_device_id mptsas_pci_table[] = {
5369 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1064,
5370 PCI_ANY_ID, PCI_ANY_ID },
5371 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068,
5372 PCI_ANY_ID, PCI_ANY_ID },
5373 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1064E,
5374 PCI_ANY_ID, PCI_ANY_ID },
5375 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068E,
5376 PCI_ANY_ID, PCI_ANY_ID },
5377 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1078,
5378 PCI_ANY_ID, PCI_ANY_ID },
5379 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068_820XELP,
5380 PCI_ANY_ID, PCI_ANY_ID },
5381 {0} /* Terminating entry */
5382};
5383MODULE_DEVICE_TABLE(pci, mptsas_pci_table);
5384
5385
5386static struct pci_driver mptsas_driver = {
5387 .name = "mptsas",
5388 .id_table = mptsas_pci_table,
5389 .probe = mptsas_probe,
5390 .remove = mptsas_remove,
5391 .shutdown = mptsas_shutdown,
5392#ifdef CONFIG_PM
5393 .suspend = mptscsih_suspend,
5394 .resume = mptscsih_resume,
5395#endif
5396};
5397
5398static int __init
5399mptsas_init(void)
5400{
5401 int error;
5402
5403 show_mptmod_ver(my_NAME, my_VERSION);
5404
5405 mptsas_transport_template =
5406 sas_attach_transport(&mptsas_transport_functions);
5407 if (!mptsas_transport_template)
5408 return -ENODEV;
5409 mptsas_transport_template->eh_timed_out = mptsas_eh_timed_out;
5410
5411 mptsasDoneCtx = mpt_register(mptscsih_io_done, MPTSAS_DRIVER,
5412 "mptscsih_io_done");
5413 mptsasTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSAS_DRIVER,
5414 "mptscsih_taskmgmt_complete");
5415 mptsasInternalCtx =
5416 mpt_register(mptscsih_scandv_complete, MPTSAS_DRIVER,
5417 "mptscsih_scandv_complete");
5418 mptsasMgmtCtx = mpt_register(mptsas_mgmt_done, MPTSAS_DRIVER,
5419 "mptsas_mgmt_done");
5420 mptsasDeviceResetCtx =
5421 mpt_register(mptsas_taskmgmt_complete, MPTSAS_DRIVER,
5422 "mptsas_taskmgmt_complete");
5423
5424 mpt_event_register(mptsasDoneCtx, mptsas_event_process);
5425 mpt_reset_register(mptsasDoneCtx, mptsas_ioc_reset);
5426
5427 error = pci_register_driver(&mptsas_driver);
5428 if (error)
5429 sas_release_transport(mptsas_transport_template);
5430
5431 return error;
5432}
5433
5434static void __exit
5435mptsas_exit(void)
5436{
5437 pci_unregister_driver(&mptsas_driver);
5438 sas_release_transport(mptsas_transport_template);
5439
5440 mpt_reset_deregister(mptsasDoneCtx);
5441 mpt_event_deregister(mptsasDoneCtx);
5442
5443 mpt_deregister(mptsasMgmtCtx);
5444 mpt_deregister(mptsasInternalCtx);
5445 mpt_deregister(mptsasTaskCtx);
5446 mpt_deregister(mptsasDoneCtx);
5447 mpt_deregister(mptsasDeviceResetCtx);
5448}
5449
5450module_init(mptsas_init);
5451module_exit(mptsas_exit);
1/*
2 * linux/drivers/message/fusion/mptsas.c
3 * For use with LSI PCI chip/adapter(s)
4 * running LSI Fusion MPT (Message Passing Technology) firmware.
5 *
6 * Copyright (c) 1999-2008 LSI Corporation
7 * (mailto:DL-MPTFusionLinux@lsi.com)
8 */
9/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
10/*
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; version 2 of the License.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 NO WARRANTY
21 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
22 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
23 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
24 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
25 solely responsible for determining the appropriateness of using and
26 distributing the Program and assumes all risks associated with its
27 exercise of rights under this Agreement, including but not limited to
28 the risks and costs of program errors, damage to or loss of data,
29 programs or equipment, and unavailability or interruption of operations.
30
31 DISCLAIMER OF LIABILITY
32 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
33 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
35 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
36 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
37 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
38 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
39
40 You should have received a copy of the GNU General Public License
41 along with this program; if not, write to the Free Software
42 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
43*/
44/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
45
46#include <linux/module.h>
47#include <linux/kernel.h>
48#include <linux/slab.h>
49#include <linux/init.h>
50#include <linux/errno.h>
51#include <linux/jiffies.h>
52#include <linux/workqueue.h>
53#include <linux/delay.h> /* for mdelay */
54
55#include <scsi/scsi.h>
56#include <scsi/scsi_cmnd.h>
57#include <scsi/scsi_device.h>
58#include <scsi/scsi_host.h>
59#include <scsi/scsi_transport_sas.h>
60#include <scsi/scsi_transport.h>
61#include <scsi/scsi_dbg.h>
62
63#include "mptbase.h"
64#include "mptscsih.h"
65#include "mptsas.h"
66
67
68#define my_NAME "Fusion MPT SAS Host driver"
69#define my_VERSION MPT_LINUX_VERSION_COMMON
70#define MYNAM "mptsas"
71
72/*
73 * Reserved channel for integrated raid
74 */
75#define MPTSAS_RAID_CHANNEL 1
76
77#define SAS_CONFIG_PAGE_TIMEOUT 30
78MODULE_AUTHOR(MODULEAUTHOR);
79MODULE_DESCRIPTION(my_NAME);
80MODULE_LICENSE("GPL");
81MODULE_VERSION(my_VERSION);
82
83static int mpt_pt_clear;
84module_param(mpt_pt_clear, int, 0);
85MODULE_PARM_DESC(mpt_pt_clear,
86 " Clear persistency table: enable=1 "
87 "(default=MPTSCSIH_PT_CLEAR=0)");
88
89/* scsi-mid layer global parmeter is max_report_luns, which is 511 */
90#define MPTSAS_MAX_LUN (16895)
91static int max_lun = MPTSAS_MAX_LUN;
92module_param(max_lun, int, 0);
93MODULE_PARM_DESC(max_lun, " max lun, default=16895 ");
94
95static int mpt_loadtime_max_sectors = 8192;
96module_param(mpt_loadtime_max_sectors, int, 0);
97MODULE_PARM_DESC(mpt_loadtime_max_sectors,
98 " Maximum sector define for Host Bus Adaptor.Range 64 to 8192 default=8192");
99
100static u8 mptsasDoneCtx = MPT_MAX_PROTOCOL_DRIVERS;
101static u8 mptsasTaskCtx = MPT_MAX_PROTOCOL_DRIVERS;
102static u8 mptsasInternalCtx = MPT_MAX_PROTOCOL_DRIVERS; /* Used only for internal commands */
103static u8 mptsasMgmtCtx = MPT_MAX_PROTOCOL_DRIVERS;
104static u8 mptsasDeviceResetCtx = MPT_MAX_PROTOCOL_DRIVERS;
105
106static void mptsas_firmware_event_work(struct work_struct *work);
107static void mptsas_send_sas_event(struct fw_event_work *fw_event);
108static void mptsas_send_raid_event(struct fw_event_work *fw_event);
109static void mptsas_send_ir2_event(struct fw_event_work *fw_event);
110static void mptsas_parse_device_info(struct sas_identify *identify,
111 struct mptsas_devinfo *device_info);
112static inline void mptsas_set_rphy(MPT_ADAPTER *ioc,
113 struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy);
114static struct mptsas_phyinfo *mptsas_find_phyinfo_by_sas_address
115 (MPT_ADAPTER *ioc, u64 sas_address);
116static int mptsas_sas_device_pg0(MPT_ADAPTER *ioc,
117 struct mptsas_devinfo *device_info, u32 form, u32 form_specific);
118static int mptsas_sas_enclosure_pg0(MPT_ADAPTER *ioc,
119 struct mptsas_enclosure *enclosure, u32 form, u32 form_specific);
120static int mptsas_add_end_device(MPT_ADAPTER *ioc,
121 struct mptsas_phyinfo *phy_info);
122static void mptsas_del_end_device(MPT_ADAPTER *ioc,
123 struct mptsas_phyinfo *phy_info);
124static void mptsas_send_link_status_event(struct fw_event_work *fw_event);
125static struct mptsas_portinfo *mptsas_find_portinfo_by_sas_address
126 (MPT_ADAPTER *ioc, u64 sas_address);
127static void mptsas_expander_delete(MPT_ADAPTER *ioc,
128 struct mptsas_portinfo *port_info, u8 force);
129static void mptsas_send_expander_event(struct fw_event_work *fw_event);
130static void mptsas_not_responding_devices(MPT_ADAPTER *ioc);
131static void mptsas_scan_sas_topology(MPT_ADAPTER *ioc);
132static void mptsas_broadcast_primative_work(struct fw_event_work *fw_event);
133static void mptsas_handle_queue_full_event(struct fw_event_work *fw_event);
134static void mptsas_volume_delete(MPT_ADAPTER *ioc, u8 id);
135void mptsas_schedule_target_reset(void *ioc);
136
137static void mptsas_print_phy_data(MPT_ADAPTER *ioc,
138 MPI_SAS_IO_UNIT0_PHY_DATA *phy_data)
139{
140 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
141 "---- IO UNIT PAGE 0 ------------\n", ioc->name));
142 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Handle=0x%X\n",
143 ioc->name, le16_to_cpu(phy_data->AttachedDeviceHandle)));
144 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Controller Handle=0x%X\n",
145 ioc->name, le16_to_cpu(phy_data->ControllerDevHandle)));
146 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Port=0x%X\n",
147 ioc->name, phy_data->Port));
148 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Port Flags=0x%X\n",
149 ioc->name, phy_data->PortFlags));
150 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PHY Flags=0x%X\n",
151 ioc->name, phy_data->PhyFlags));
152 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Negotiated Link Rate=0x%X\n",
153 ioc->name, phy_data->NegotiatedLinkRate));
154 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
155 "Controller PHY Device Info=0x%X\n", ioc->name,
156 le32_to_cpu(phy_data->ControllerPhyDeviceInfo)));
157 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DiscoveryStatus=0x%X\n\n",
158 ioc->name, le32_to_cpu(phy_data->DiscoveryStatus)));
159}
160
161static void mptsas_print_phy_pg0(MPT_ADAPTER *ioc, SasPhyPage0_t *pg0)
162{
163 __le64 sas_address;
164
165 memcpy(&sas_address, &pg0->SASAddress, sizeof(__le64));
166
167 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
168 "---- SAS PHY PAGE 0 ------------\n", ioc->name));
169 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
170 "Attached Device Handle=0x%X\n", ioc->name,
171 le16_to_cpu(pg0->AttachedDevHandle)));
172 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SAS Address=0x%llX\n",
173 ioc->name, (unsigned long long)le64_to_cpu(sas_address)));
174 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
175 "Attached PHY Identifier=0x%X\n", ioc->name,
176 pg0->AttachedPhyIdentifier));
177 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Attached Device Info=0x%X\n",
178 ioc->name, le32_to_cpu(pg0->AttachedDeviceInfo)));
179 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Programmed Link Rate=0x%X\n",
180 ioc->name, pg0->ProgrammedLinkRate));
181 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Change Count=0x%X\n",
182 ioc->name, pg0->ChangeCount));
183 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PHY Info=0x%X\n\n",
184 ioc->name, le32_to_cpu(pg0->PhyInfo)));
185}
186
187static void mptsas_print_phy_pg1(MPT_ADAPTER *ioc, SasPhyPage1_t *pg1)
188{
189 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
190 "---- SAS PHY PAGE 1 ------------\n", ioc->name));
191 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Invalid Dword Count=0x%x\n",
192 ioc->name, pg1->InvalidDwordCount));
193 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
194 "Running Disparity Error Count=0x%x\n", ioc->name,
195 pg1->RunningDisparityErrorCount));
196 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
197 "Loss Dword Synch Count=0x%x\n", ioc->name,
198 pg1->LossDwordSynchCount));
199 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
200 "PHY Reset Problem Count=0x%x\n\n", ioc->name,
201 pg1->PhyResetProblemCount));
202}
203
204static void mptsas_print_device_pg0(MPT_ADAPTER *ioc, SasDevicePage0_t *pg0)
205{
206 __le64 sas_address;
207
208 memcpy(&sas_address, &pg0->SASAddress, sizeof(__le64));
209
210 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
211 "---- SAS DEVICE PAGE 0 ---------\n", ioc->name));
212 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Handle=0x%X\n",
213 ioc->name, le16_to_cpu(pg0->DevHandle)));
214 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Parent Handle=0x%X\n",
215 ioc->name, le16_to_cpu(pg0->ParentDevHandle)));
216 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Enclosure Handle=0x%X\n",
217 ioc->name, le16_to_cpu(pg0->EnclosureHandle)));
218 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Slot=0x%X\n",
219 ioc->name, le16_to_cpu(pg0->Slot)));
220 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SAS Address=0x%llX\n",
221 ioc->name, (unsigned long long)le64_to_cpu(sas_address)));
222 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Target ID=0x%X\n",
223 ioc->name, pg0->TargetID));
224 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Bus=0x%X\n",
225 ioc->name, pg0->Bus));
226 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Parent Phy Num=0x%X\n",
227 ioc->name, pg0->PhyNum));
228 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Access Status=0x%X\n",
229 ioc->name, le16_to_cpu(pg0->AccessStatus)));
230 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Device Info=0x%X\n",
231 ioc->name, le32_to_cpu(pg0->DeviceInfo)));
232 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Flags=0x%X\n",
233 ioc->name, le16_to_cpu(pg0->Flags)));
234 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Physical Port=0x%X\n\n",
235 ioc->name, pg0->PhysicalPort));
236}
237
238static void mptsas_print_expander_pg1(MPT_ADAPTER *ioc, SasExpanderPage1_t *pg1)
239{
240 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
241 "---- SAS EXPANDER PAGE 1 ------------\n", ioc->name));
242 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Physical Port=0x%X\n",
243 ioc->name, pg1->PhysicalPort));
244 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PHY Identifier=0x%X\n",
245 ioc->name, pg1->PhyIdentifier));
246 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Negotiated Link Rate=0x%X\n",
247 ioc->name, pg1->NegotiatedLinkRate));
248 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Programmed Link Rate=0x%X\n",
249 ioc->name, pg1->ProgrammedLinkRate));
250 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hardware Link Rate=0x%X\n",
251 ioc->name, pg1->HwLinkRate));
252 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Owner Device Handle=0x%X\n",
253 ioc->name, le16_to_cpu(pg1->OwnerDevHandle)));
254 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
255 "Attached Device Handle=0x%X\n\n", ioc->name,
256 le16_to_cpu(pg1->AttachedDevHandle)));
257}
258
259/* inhibit sas firmware event handling */
260static void
261mptsas_fw_event_off(MPT_ADAPTER *ioc)
262{
263 unsigned long flags;
264
265 spin_lock_irqsave(&ioc->fw_event_lock, flags);
266 ioc->fw_events_off = 1;
267 ioc->sas_discovery_quiesce_io = 0;
268 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
269
270}
271
272/* enable sas firmware event handling */
273static void
274mptsas_fw_event_on(MPT_ADAPTER *ioc)
275{
276 unsigned long flags;
277
278 spin_lock_irqsave(&ioc->fw_event_lock, flags);
279 ioc->fw_events_off = 0;
280 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
281}
282
283/* queue a sas firmware event */
284static void
285mptsas_add_fw_event(MPT_ADAPTER *ioc, struct fw_event_work *fw_event,
286 unsigned long delay)
287{
288 unsigned long flags;
289
290 spin_lock_irqsave(&ioc->fw_event_lock, flags);
291 list_add_tail(&fw_event->list, &ioc->fw_event_list);
292 INIT_DELAYED_WORK(&fw_event->work, mptsas_firmware_event_work);
293 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: add (fw_event=0x%p)"
294 "on cpuid %d\n", ioc->name, __func__,
295 fw_event, smp_processor_id()));
296 queue_delayed_work_on(smp_processor_id(), ioc->fw_event_q,
297 &fw_event->work, delay);
298 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
299}
300
301/* requeue a sas firmware event */
302static void
303mptsas_requeue_fw_event(MPT_ADAPTER *ioc, struct fw_event_work *fw_event,
304 unsigned long delay)
305{
306 unsigned long flags;
307 spin_lock_irqsave(&ioc->fw_event_lock, flags);
308 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: reschedule task "
309 "(fw_event=0x%p)on cpuid %d\n", ioc->name, __func__,
310 fw_event, smp_processor_id()));
311 fw_event->retries++;
312 queue_delayed_work_on(smp_processor_id(), ioc->fw_event_q,
313 &fw_event->work, msecs_to_jiffies(delay));
314 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
315}
316
317/* free memory associated to a sas firmware event */
318static void
319mptsas_free_fw_event(MPT_ADAPTER *ioc, struct fw_event_work *fw_event)
320{
321 unsigned long flags;
322
323 spin_lock_irqsave(&ioc->fw_event_lock, flags);
324 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: kfree (fw_event=0x%p)\n",
325 ioc->name, __func__, fw_event));
326 list_del(&fw_event->list);
327 kfree(fw_event);
328 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
329}
330
331/* walk the firmware event queue, and either stop or wait for
332 * outstanding events to complete */
333static void
334mptsas_cleanup_fw_event_q(MPT_ADAPTER *ioc)
335{
336 struct fw_event_work *fw_event, *next;
337 struct mptsas_target_reset_event *target_reset_list, *n;
338 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
339
340 /* flush the target_reset_list */
341 if (!list_empty(&hd->target_reset_list)) {
342 list_for_each_entry_safe(target_reset_list, n,
343 &hd->target_reset_list, list) {
344 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
345 "%s: removing target reset for id=%d\n",
346 ioc->name, __func__,
347 target_reset_list->sas_event_data.TargetID));
348 list_del(&target_reset_list->list);
349 kfree(target_reset_list);
350 }
351 }
352
353 if (list_empty(&ioc->fw_event_list) ||
354 !ioc->fw_event_q || in_interrupt())
355 return;
356
357 list_for_each_entry_safe(fw_event, next, &ioc->fw_event_list, list) {
358 if (cancel_delayed_work(&fw_event->work))
359 mptsas_free_fw_event(ioc, fw_event);
360 }
361}
362
363
364static inline MPT_ADAPTER *phy_to_ioc(struct sas_phy *phy)
365{
366 struct Scsi_Host *shost = dev_to_shost(phy->dev.parent);
367 return ((MPT_SCSI_HOST *)shost->hostdata)->ioc;
368}
369
370static inline MPT_ADAPTER *rphy_to_ioc(struct sas_rphy *rphy)
371{
372 struct Scsi_Host *shost = dev_to_shost(rphy->dev.parent->parent);
373 return ((MPT_SCSI_HOST *)shost->hostdata)->ioc;
374}
375
376/*
377 * mptsas_find_portinfo_by_handle
378 *
379 * This function should be called with the sas_topology_mutex already held
380 */
381static struct mptsas_portinfo *
382mptsas_find_portinfo_by_handle(MPT_ADAPTER *ioc, u16 handle)
383{
384 struct mptsas_portinfo *port_info, *rc=NULL;
385 int i;
386
387 list_for_each_entry(port_info, &ioc->sas_topology, list)
388 for (i = 0; i < port_info->num_phys; i++)
389 if (port_info->phy_info[i].identify.handle == handle) {
390 rc = port_info;
391 goto out;
392 }
393 out:
394 return rc;
395}
396
397/**
398 * mptsas_find_portinfo_by_sas_address -
399 * @ioc: Pointer to MPT_ADAPTER structure
400 * @handle:
401 *
402 * This function should be called with the sas_topology_mutex already held
403 *
404 **/
405static struct mptsas_portinfo *
406mptsas_find_portinfo_by_sas_address(MPT_ADAPTER *ioc, u64 sas_address)
407{
408 struct mptsas_portinfo *port_info, *rc = NULL;
409 int i;
410
411 if (sas_address >= ioc->hba_port_sas_addr &&
412 sas_address < (ioc->hba_port_sas_addr +
413 ioc->hba_port_num_phy))
414 return ioc->hba_port_info;
415
416 mutex_lock(&ioc->sas_topology_mutex);
417 list_for_each_entry(port_info, &ioc->sas_topology, list)
418 for (i = 0; i < port_info->num_phys; i++)
419 if (port_info->phy_info[i].identify.sas_address ==
420 sas_address) {
421 rc = port_info;
422 goto out;
423 }
424 out:
425 mutex_unlock(&ioc->sas_topology_mutex);
426 return rc;
427}
428
429/*
430 * Returns true if there is a scsi end device
431 */
432static inline int
433mptsas_is_end_device(struct mptsas_devinfo * attached)
434{
435 if ((attached->sas_address) &&
436 (attached->device_info &
437 MPI_SAS_DEVICE_INFO_END_DEVICE) &&
438 ((attached->device_info &
439 MPI_SAS_DEVICE_INFO_SSP_TARGET) |
440 (attached->device_info &
441 MPI_SAS_DEVICE_INFO_STP_TARGET) |
442 (attached->device_info &
443 MPI_SAS_DEVICE_INFO_SATA_DEVICE)))
444 return 1;
445 else
446 return 0;
447}
448
449/* no mutex */
450static void
451mptsas_port_delete(MPT_ADAPTER *ioc, struct mptsas_portinfo_details * port_details)
452{
453 struct mptsas_portinfo *port_info;
454 struct mptsas_phyinfo *phy_info;
455 u8 i;
456
457 if (!port_details)
458 return;
459
460 port_info = port_details->port_info;
461 phy_info = port_info->phy_info;
462
463 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: [%p]: num_phys=%02d "
464 "bitmask=0x%016llX\n", ioc->name, __func__, port_details,
465 port_details->num_phys, (unsigned long long)
466 port_details->phy_bitmask));
467
468 for (i = 0; i < port_info->num_phys; i++, phy_info++) {
469 if(phy_info->port_details != port_details)
470 continue;
471 memset(&phy_info->attached, 0, sizeof(struct mptsas_devinfo));
472 mptsas_set_rphy(ioc, phy_info, NULL);
473 phy_info->port_details = NULL;
474 }
475 kfree(port_details);
476}
477
478static inline struct sas_rphy *
479mptsas_get_rphy(struct mptsas_phyinfo *phy_info)
480{
481 if (phy_info->port_details)
482 return phy_info->port_details->rphy;
483 else
484 return NULL;
485}
486
487static inline void
488mptsas_set_rphy(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy)
489{
490 if (phy_info->port_details) {
491 phy_info->port_details->rphy = rphy;
492 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sas_rphy_add: rphy=%p\n",
493 ioc->name, rphy));
494 }
495
496 if (rphy) {
497 dsaswideprintk(ioc, dev_printk(KERN_DEBUG,
498 &rphy->dev, MYIOC_s_FMT "add:", ioc->name));
499 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "rphy=%p release=%p\n",
500 ioc->name, rphy, rphy->dev.release));
501 }
502}
503
504static inline struct sas_port *
505mptsas_get_port(struct mptsas_phyinfo *phy_info)
506{
507 if (phy_info->port_details)
508 return phy_info->port_details->port;
509 else
510 return NULL;
511}
512
513static inline void
514mptsas_set_port(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_port *port)
515{
516 if (phy_info->port_details)
517 phy_info->port_details->port = port;
518
519 if (port) {
520 dsaswideprintk(ioc, dev_printk(KERN_DEBUG,
521 &port->dev, MYIOC_s_FMT "add:", ioc->name));
522 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "port=%p release=%p\n",
523 ioc->name, port, port->dev.release));
524 }
525}
526
527static inline struct scsi_target *
528mptsas_get_starget(struct mptsas_phyinfo *phy_info)
529{
530 if (phy_info->port_details)
531 return phy_info->port_details->starget;
532 else
533 return NULL;
534}
535
536static inline void
537mptsas_set_starget(struct mptsas_phyinfo *phy_info, struct scsi_target *
538starget)
539{
540 if (phy_info->port_details)
541 phy_info->port_details->starget = starget;
542}
543
544/**
545 * mptsas_add_device_component -
546 * @ioc: Pointer to MPT_ADAPTER structure
547 * @channel: fw mapped id's
548 * @id:
549 * @sas_address:
550 * @device_info:
551 *
552 **/
553static void
554mptsas_add_device_component(MPT_ADAPTER *ioc, u8 channel, u8 id,
555 u64 sas_address, u32 device_info, u16 slot, u64 enclosure_logical_id)
556{
557 struct mptsas_device_info *sas_info, *next;
558 struct scsi_device *sdev;
559 struct scsi_target *starget;
560 struct sas_rphy *rphy;
561
562 /*
563 * Delete all matching devices out of the list
564 */
565 mutex_lock(&ioc->sas_device_info_mutex);
566 list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list,
567 list) {
568 if (!sas_info->is_logical_volume &&
569 (sas_info->sas_address == sas_address ||
570 (sas_info->fw.channel == channel &&
571 sas_info->fw.id == id))) {
572 list_del(&sas_info->list);
573 kfree(sas_info);
574 }
575 }
576
577 sas_info = kzalloc(sizeof(struct mptsas_device_info), GFP_KERNEL);
578 if (!sas_info)
579 goto out;
580
581 /*
582 * Set Firmware mapping
583 */
584 sas_info->fw.id = id;
585 sas_info->fw.channel = channel;
586
587 sas_info->sas_address = sas_address;
588 sas_info->device_info = device_info;
589 sas_info->slot = slot;
590 sas_info->enclosure_logical_id = enclosure_logical_id;
591 INIT_LIST_HEAD(&sas_info->list);
592 list_add_tail(&sas_info->list, &ioc->sas_device_info_list);
593
594 /*
595 * Set OS mapping
596 */
597 shost_for_each_device(sdev, ioc->sh) {
598 starget = scsi_target(sdev);
599 rphy = dev_to_rphy(starget->dev.parent);
600 if (rphy->identify.sas_address == sas_address) {
601 sas_info->os.id = starget->id;
602 sas_info->os.channel = starget->channel;
603 }
604 }
605
606 out:
607 mutex_unlock(&ioc->sas_device_info_mutex);
608 return;
609}
610
611/**
612 * mptsas_add_device_component_by_fw -
613 * @ioc: Pointer to MPT_ADAPTER structure
614 * @channel: fw mapped id's
615 * @id:
616 *
617 **/
618static void
619mptsas_add_device_component_by_fw(MPT_ADAPTER *ioc, u8 channel, u8 id)
620{
621 struct mptsas_devinfo sas_device;
622 struct mptsas_enclosure enclosure_info;
623 int rc;
624
625 rc = mptsas_sas_device_pg0(ioc, &sas_device,
626 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
627 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
628 (channel << 8) + id);
629 if (rc)
630 return;
631
632 memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure));
633 mptsas_sas_enclosure_pg0(ioc, &enclosure_info,
634 (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE <<
635 MPI_SAS_ENCLOS_PGAD_FORM_SHIFT),
636 sas_device.handle_enclosure);
637
638 mptsas_add_device_component(ioc, sas_device.channel,
639 sas_device.id, sas_device.sas_address, sas_device.device_info,
640 sas_device.slot, enclosure_info.enclosure_logical_id);
641}
642
643/**
644 * mptsas_add_device_component_starget_ir - Handle Integrated RAID, adding each individual device to list
645 * @ioc: Pointer to MPT_ADAPTER structure
646 * @channel: fw mapped id's
647 * @id:
648 *
649 **/
650static void
651mptsas_add_device_component_starget_ir(MPT_ADAPTER *ioc,
652 struct scsi_target *starget)
653{
654 CONFIGPARMS cfg;
655 ConfigPageHeader_t hdr;
656 dma_addr_t dma_handle;
657 pRaidVolumePage0_t buffer = NULL;
658 int i;
659 RaidPhysDiskPage0_t phys_disk;
660 struct mptsas_device_info *sas_info, *next;
661
662 memset(&cfg, 0 , sizeof(CONFIGPARMS));
663 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
664 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME;
665 /* assumption that all volumes on channel = 0 */
666 cfg.pageAddr = starget->id;
667 cfg.cfghdr.hdr = &hdr;
668 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
669 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
670
671 if (mpt_config(ioc, &cfg) != 0)
672 goto out;
673
674 if (!hdr.PageLength)
675 goto out;
676
677 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
678 &dma_handle);
679
680 if (!buffer)
681 goto out;
682
683 cfg.physAddr = dma_handle;
684 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
685
686 if (mpt_config(ioc, &cfg) != 0)
687 goto out;
688
689 if (!buffer->NumPhysDisks)
690 goto out;
691
692 /*
693 * Adding entry for hidden components
694 */
695 for (i = 0; i < buffer->NumPhysDisks; i++) {
696
697 if (mpt_raid_phys_disk_pg0(ioc,
698 buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0)
699 continue;
700
701 mptsas_add_device_component_by_fw(ioc, phys_disk.PhysDiskBus,
702 phys_disk.PhysDiskID);
703
704 mutex_lock(&ioc->sas_device_info_mutex);
705 list_for_each_entry(sas_info, &ioc->sas_device_info_list,
706 list) {
707 if (!sas_info->is_logical_volume &&
708 (sas_info->fw.channel == phys_disk.PhysDiskBus &&
709 sas_info->fw.id == phys_disk.PhysDiskID)) {
710 sas_info->is_hidden_raid_component = 1;
711 sas_info->volume_id = starget->id;
712 }
713 }
714 mutex_unlock(&ioc->sas_device_info_mutex);
715
716 }
717
718 /*
719 * Delete all matching devices out of the list
720 */
721 mutex_lock(&ioc->sas_device_info_mutex);
722 list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list,
723 list) {
724 if (sas_info->is_logical_volume && sas_info->fw.id ==
725 starget->id) {
726 list_del(&sas_info->list);
727 kfree(sas_info);
728 }
729 }
730
731 sas_info = kzalloc(sizeof(struct mptsas_device_info), GFP_KERNEL);
732 if (sas_info) {
733 sas_info->fw.id = starget->id;
734 sas_info->os.id = starget->id;
735 sas_info->os.channel = starget->channel;
736 sas_info->is_logical_volume = 1;
737 INIT_LIST_HEAD(&sas_info->list);
738 list_add_tail(&sas_info->list, &ioc->sas_device_info_list);
739 }
740 mutex_unlock(&ioc->sas_device_info_mutex);
741
742 out:
743 if (buffer)
744 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
745 dma_handle);
746}
747
748/**
749 * mptsas_add_device_component_starget -
750 * @ioc: Pointer to MPT_ADAPTER structure
751 * @starget:
752 *
753 **/
754static void
755mptsas_add_device_component_starget(MPT_ADAPTER *ioc,
756 struct scsi_target *starget)
757{
758 VirtTarget *vtarget;
759 struct sas_rphy *rphy;
760 struct mptsas_phyinfo *phy_info = NULL;
761 struct mptsas_enclosure enclosure_info;
762
763 rphy = dev_to_rphy(starget->dev.parent);
764 vtarget = starget->hostdata;
765 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
766 rphy->identify.sas_address);
767 if (!phy_info)
768 return;
769
770 memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure));
771 mptsas_sas_enclosure_pg0(ioc, &enclosure_info,
772 (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE <<
773 MPI_SAS_ENCLOS_PGAD_FORM_SHIFT),
774 phy_info->attached.handle_enclosure);
775
776 mptsas_add_device_component(ioc, phy_info->attached.channel,
777 phy_info->attached.id, phy_info->attached.sas_address,
778 phy_info->attached.device_info,
779 phy_info->attached.slot, enclosure_info.enclosure_logical_id);
780}
781
782/**
783 * mptsas_del_device_component_by_os - Once a device has been removed, we mark the entry in the list as being cached
784 * @ioc: Pointer to MPT_ADAPTER structure
785 * @channel: os mapped id's
786 * @id:
787 *
788 **/
789static void
790mptsas_del_device_component_by_os(MPT_ADAPTER *ioc, u8 channel, u8 id)
791{
792 struct mptsas_device_info *sas_info, *next;
793
794 /*
795 * Set is_cached flag
796 */
797 list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list,
798 list) {
799 if (sas_info->os.channel == channel && sas_info->os.id == id)
800 sas_info->is_cached = 1;
801 }
802}
803
804/**
805 * mptsas_del_device_components - Cleaning the list
806 * @ioc: Pointer to MPT_ADAPTER structure
807 *
808 **/
809static void
810mptsas_del_device_components(MPT_ADAPTER *ioc)
811{
812 struct mptsas_device_info *sas_info, *next;
813
814 mutex_lock(&ioc->sas_device_info_mutex);
815 list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list,
816 list) {
817 list_del(&sas_info->list);
818 kfree(sas_info);
819 }
820 mutex_unlock(&ioc->sas_device_info_mutex);
821}
822
823
824/*
825 * mptsas_setup_wide_ports
826 *
827 * Updates for new and existing narrow/wide port configuration
828 * in the sas_topology
829 */
830static void
831mptsas_setup_wide_ports(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
832{
833 struct mptsas_portinfo_details * port_details;
834 struct mptsas_phyinfo *phy_info, *phy_info_cmp;
835 u64 sas_address;
836 int i, j;
837
838 mutex_lock(&ioc->sas_topology_mutex);
839
840 phy_info = port_info->phy_info;
841 for (i = 0 ; i < port_info->num_phys ; i++, phy_info++) {
842 if (phy_info->attached.handle)
843 continue;
844 port_details = phy_info->port_details;
845 if (!port_details)
846 continue;
847 if (port_details->num_phys < 2)
848 continue;
849 /*
850 * Removing a phy from a port, letting the last
851 * phy be removed by firmware events.
852 */
853 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT
854 "%s: [%p]: deleting phy = %d\n",
855 ioc->name, __func__, port_details, i));
856 port_details->num_phys--;
857 port_details->phy_bitmask &= ~ (1 << phy_info->phy_id);
858 memset(&phy_info->attached, 0, sizeof(struct mptsas_devinfo));
859 if (phy_info->phy) {
860 devtprintk(ioc, dev_printk(KERN_DEBUG,
861 &phy_info->phy->dev, MYIOC_s_FMT
862 "delete phy %d, phy-obj (0x%p)\n", ioc->name,
863 phy_info->phy_id, phy_info->phy));
864 sas_port_delete_phy(port_details->port, phy_info->phy);
865 }
866 phy_info->port_details = NULL;
867 }
868
869 /*
870 * Populate and refresh the tree
871 */
872 phy_info = port_info->phy_info;
873 for (i = 0 ; i < port_info->num_phys ; i++, phy_info++) {
874 sas_address = phy_info->attached.sas_address;
875 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "phy_id=%d sas_address=0x%018llX\n",
876 ioc->name, i, (unsigned long long)sas_address));
877 if (!sas_address)
878 continue;
879 port_details = phy_info->port_details;
880 /*
881 * Forming a port
882 */
883 if (!port_details) {
884 port_details = kzalloc(sizeof(struct
885 mptsas_portinfo_details), GFP_KERNEL);
886 if (!port_details)
887 goto out;
888 port_details->num_phys = 1;
889 port_details->port_info = port_info;
890 if (phy_info->phy_id < 64 )
891 port_details->phy_bitmask |=
892 (1 << phy_info->phy_id);
893 phy_info->sas_port_add_phy=1;
894 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\t\tForming port\n\t\t"
895 "phy_id=%d sas_address=0x%018llX\n",
896 ioc->name, i, (unsigned long long)sas_address));
897 phy_info->port_details = port_details;
898 }
899
900 if (i == port_info->num_phys - 1)
901 continue;
902 phy_info_cmp = &port_info->phy_info[i + 1];
903 for (j = i + 1 ; j < port_info->num_phys ; j++,
904 phy_info_cmp++) {
905 if (!phy_info_cmp->attached.sas_address)
906 continue;
907 if (sas_address != phy_info_cmp->attached.sas_address)
908 continue;
909 if (phy_info_cmp->port_details == port_details )
910 continue;
911 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT
912 "\t\tphy_id=%d sas_address=0x%018llX\n",
913 ioc->name, j, (unsigned long long)
914 phy_info_cmp->attached.sas_address));
915 if (phy_info_cmp->port_details) {
916 port_details->rphy =
917 mptsas_get_rphy(phy_info_cmp);
918 port_details->port =
919 mptsas_get_port(phy_info_cmp);
920 port_details->starget =
921 mptsas_get_starget(phy_info_cmp);
922 port_details->num_phys =
923 phy_info_cmp->port_details->num_phys;
924 if (!phy_info_cmp->port_details->num_phys)
925 kfree(phy_info_cmp->port_details);
926 } else
927 phy_info_cmp->sas_port_add_phy=1;
928 /*
929 * Adding a phy to a port
930 */
931 phy_info_cmp->port_details = port_details;
932 if (phy_info_cmp->phy_id < 64 )
933 port_details->phy_bitmask |=
934 (1 << phy_info_cmp->phy_id);
935 port_details->num_phys++;
936 }
937 }
938
939 out:
940
941 for (i = 0; i < port_info->num_phys; i++) {
942 port_details = port_info->phy_info[i].port_details;
943 if (!port_details)
944 continue;
945 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT
946 "%s: [%p]: phy_id=%02d num_phys=%02d "
947 "bitmask=0x%016llX\n", ioc->name, __func__,
948 port_details, i, port_details->num_phys,
949 (unsigned long long)port_details->phy_bitmask));
950 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\t\tport = %p rphy=%p\n",
951 ioc->name, port_details->port, port_details->rphy));
952 }
953 dsaswideprintk(ioc, printk("\n"));
954 mutex_unlock(&ioc->sas_topology_mutex);
955}
956
957/**
958 * csmisas_find_vtarget
959 *
960 * @ioc
961 * @volume_id
962 * @volume_bus
963 *
964 **/
965static VirtTarget *
966mptsas_find_vtarget(MPT_ADAPTER *ioc, u8 channel, u8 id)
967{
968 struct scsi_device *sdev;
969 VirtDevice *vdevice;
970 VirtTarget *vtarget = NULL;
971
972 shost_for_each_device(sdev, ioc->sh) {
973 vdevice = sdev->hostdata;
974 if ((vdevice == NULL) ||
975 (vdevice->vtarget == NULL))
976 continue;
977 if ((vdevice->vtarget->tflags &
978 MPT_TARGET_FLAGS_RAID_COMPONENT ||
979 vdevice->vtarget->raidVolume))
980 continue;
981 if (vdevice->vtarget->id == id &&
982 vdevice->vtarget->channel == channel)
983 vtarget = vdevice->vtarget;
984 }
985 return vtarget;
986}
987
988static void
989mptsas_queue_device_delete(MPT_ADAPTER *ioc,
990 MpiEventDataSasDeviceStatusChange_t *sas_event_data)
991{
992 struct fw_event_work *fw_event;
993 int sz;
994
995 sz = offsetof(struct fw_event_work, event_data) +
996 sizeof(MpiEventDataSasDeviceStatusChange_t);
997 fw_event = kzalloc(sz, GFP_ATOMIC);
998 if (!fw_event) {
999 printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n",
1000 ioc->name, __func__, __LINE__);
1001 return;
1002 }
1003 memcpy(fw_event->event_data, sas_event_data,
1004 sizeof(MpiEventDataSasDeviceStatusChange_t));
1005 fw_event->event = MPI_EVENT_SAS_DEVICE_STATUS_CHANGE;
1006 fw_event->ioc = ioc;
1007 mptsas_add_fw_event(ioc, fw_event, msecs_to_jiffies(1));
1008}
1009
1010static void
1011mptsas_queue_rescan(MPT_ADAPTER *ioc)
1012{
1013 struct fw_event_work *fw_event;
1014 int sz;
1015
1016 sz = offsetof(struct fw_event_work, event_data);
1017 fw_event = kzalloc(sz, GFP_ATOMIC);
1018 if (!fw_event) {
1019 printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n",
1020 ioc->name, __func__, __LINE__);
1021 return;
1022 }
1023 fw_event->event = -1;
1024 fw_event->ioc = ioc;
1025 mptsas_add_fw_event(ioc, fw_event, msecs_to_jiffies(1));
1026}
1027
1028
1029/**
1030 * mptsas_target_reset
1031 *
1032 * Issues TARGET_RESET to end device using handshaking method
1033 *
1034 * @ioc
1035 * @channel
1036 * @id
1037 *
1038 * Returns (1) success
1039 * (0) failure
1040 *
1041 **/
1042static int
1043mptsas_target_reset(MPT_ADAPTER *ioc, u8 channel, u8 id)
1044{
1045 MPT_FRAME_HDR *mf;
1046 SCSITaskMgmt_t *pScsiTm;
1047 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0)
1048 return 0;
1049
1050
1051 mf = mpt_get_msg_frame(mptsasDeviceResetCtx, ioc);
1052 if (mf == NULL) {
1053 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT
1054 "%s, no msg frames @%d!!\n", ioc->name,
1055 __func__, __LINE__));
1056 goto out_fail;
1057 }
1058
1059 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
1060 ioc->name, mf));
1061
1062 /* Format the Request
1063 */
1064 pScsiTm = (SCSITaskMgmt_t *) mf;
1065 memset (pScsiTm, 0, sizeof(SCSITaskMgmt_t));
1066 pScsiTm->TargetID = id;
1067 pScsiTm->Bus = channel;
1068 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1069 pScsiTm->TaskType = MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
1070 pScsiTm->MsgFlags = MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION;
1071
1072 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)mf);
1073
1074 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1075 "TaskMgmt type=%d (sas device delete) fw_channel = %d fw_id = %d)\n",
1076 ioc->name, MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET, channel, id));
1077
1078 mpt_put_msg_frame_hi_pri(mptsasDeviceResetCtx, ioc, mf);
1079
1080 return 1;
1081
1082 out_fail:
1083
1084 mpt_clear_taskmgmt_in_progress_flag(ioc);
1085 return 0;
1086}
1087
1088static void
1089mptsas_block_io_sdev(struct scsi_device *sdev, void *data)
1090{
1091 scsi_device_set_state(sdev, SDEV_BLOCK);
1092}
1093
1094static void
1095mptsas_block_io_starget(struct scsi_target *starget)
1096{
1097 if (starget)
1098 starget_for_each_device(starget, NULL, mptsas_block_io_sdev);
1099}
1100
1101/**
1102 * mptsas_target_reset_queue
1103 *
1104 * Receive request for TARGET_RESET after receiving an firmware
1105 * event NOT_RESPONDING_EVENT, then put command in link list
1106 * and queue if task_queue already in use.
1107 *
1108 * @ioc
1109 * @sas_event_data
1110 *
1111 **/
1112static void
1113mptsas_target_reset_queue(MPT_ADAPTER *ioc,
1114 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data)
1115{
1116 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
1117 VirtTarget *vtarget = NULL;
1118 struct mptsas_target_reset_event *target_reset_list;
1119 u8 id, channel;
1120
1121 id = sas_event_data->TargetID;
1122 channel = sas_event_data->Bus;
1123
1124 vtarget = mptsas_find_vtarget(ioc, channel, id);
1125 if (vtarget) {
1126 mptsas_block_io_starget(vtarget->starget);
1127 vtarget->deleted = 1; /* block IO */
1128 }
1129
1130 target_reset_list = kzalloc(sizeof(struct mptsas_target_reset_event),
1131 GFP_ATOMIC);
1132 if (!target_reset_list) {
1133 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT
1134 "%s, failed to allocate mem @%d..!!\n",
1135 ioc->name, __func__, __LINE__));
1136 return;
1137 }
1138
1139 memcpy(&target_reset_list->sas_event_data, sas_event_data,
1140 sizeof(*sas_event_data));
1141 list_add_tail(&target_reset_list->list, &hd->target_reset_list);
1142
1143 target_reset_list->time_count = jiffies;
1144
1145 if (mptsas_target_reset(ioc, channel, id)) {
1146 target_reset_list->target_reset_issued = 1;
1147 }
1148}
1149
1150/**
1151 * mptsas_schedule_target_reset- send pending target reset
1152 * @iocp: per adapter object
1153 *
1154 * This function will delete scheduled target reset from the list and
1155 * try to send next target reset. This will be called from completion
1156 * context of any Task management command.
1157 */
1158
1159void
1160mptsas_schedule_target_reset(void *iocp)
1161{
1162 MPT_ADAPTER *ioc = (MPT_ADAPTER *)(iocp);
1163 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
1164 struct list_head *head = &hd->target_reset_list;
1165 struct mptsas_target_reset_event *target_reset_list;
1166 u8 id, channel;
1167 /*
1168 * issue target reset to next device in the queue
1169 */
1170
1171 head = &hd->target_reset_list;
1172 if (list_empty(head))
1173 return;
1174
1175 target_reset_list = list_entry(head->next,
1176 struct mptsas_target_reset_event, list);
1177
1178 id = target_reset_list->sas_event_data.TargetID;
1179 channel = target_reset_list->sas_event_data.Bus;
1180 target_reset_list->time_count = jiffies;
1181
1182 if (mptsas_target_reset(ioc, channel, id))
1183 target_reset_list->target_reset_issued = 1;
1184 return;
1185}
1186
1187
1188/**
1189 * mptsas_taskmgmt_complete - complete SAS task management function
1190 * @ioc: Pointer to MPT_ADAPTER structure
1191 *
1192 * Completion for TARGET_RESET after NOT_RESPONDING_EVENT, enable work
1193 * queue to finish off removing device from upper layers. then send next
1194 * TARGET_RESET in the queue.
1195 **/
1196static int
1197mptsas_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
1198{
1199 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
1200 struct list_head *head = &hd->target_reset_list;
1201 u8 id, channel;
1202 struct mptsas_target_reset_event *target_reset_list;
1203 SCSITaskMgmtReply_t *pScsiTmReply;
1204
1205 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt completed: "
1206 "(mf = %p, mr = %p)\n", ioc->name, mf, mr));
1207
1208 pScsiTmReply = (SCSITaskMgmtReply_t *)mr;
1209 if (pScsiTmReply) {
1210 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1211 "\tTaskMgmt completed: fw_channel = %d, fw_id = %d,\n"
1212 "\ttask_type = 0x%02X, iocstatus = 0x%04X "
1213 "loginfo = 0x%08X,\n\tresponse_code = 0x%02X, "
1214 "term_cmnds = %d\n", ioc->name,
1215 pScsiTmReply->Bus, pScsiTmReply->TargetID,
1216 pScsiTmReply->TaskType,
1217 le16_to_cpu(pScsiTmReply->IOCStatus),
1218 le32_to_cpu(pScsiTmReply->IOCLogInfo),
1219 pScsiTmReply->ResponseCode,
1220 le32_to_cpu(pScsiTmReply->TerminationCount)));
1221
1222 if (pScsiTmReply->ResponseCode)
1223 mptscsih_taskmgmt_response_code(ioc,
1224 pScsiTmReply->ResponseCode);
1225 }
1226
1227 if (pScsiTmReply && (pScsiTmReply->TaskType ==
1228 MPI_SCSITASKMGMT_TASKTYPE_QUERY_TASK || pScsiTmReply->TaskType ==
1229 MPI_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET)) {
1230 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
1231 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
1232 memcpy(ioc->taskmgmt_cmds.reply, mr,
1233 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
1234 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
1235 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
1236 complete(&ioc->taskmgmt_cmds.done);
1237 return 1;
1238 }
1239 return 0;
1240 }
1241
1242 mpt_clear_taskmgmt_in_progress_flag(ioc);
1243
1244 if (list_empty(head))
1245 return 1;
1246
1247 target_reset_list = list_entry(head->next,
1248 struct mptsas_target_reset_event, list);
1249
1250 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1251 "TaskMgmt: completed (%d seconds)\n",
1252 ioc->name, jiffies_to_msecs(jiffies -
1253 target_reset_list->time_count)/1000));
1254
1255 id = pScsiTmReply->TargetID;
1256 channel = pScsiTmReply->Bus;
1257 target_reset_list->time_count = jiffies;
1258
1259 /*
1260 * retry target reset
1261 */
1262 if (!target_reset_list->target_reset_issued) {
1263 if (mptsas_target_reset(ioc, channel, id))
1264 target_reset_list->target_reset_issued = 1;
1265 return 1;
1266 }
1267
1268 /*
1269 * enable work queue to remove device from upper layers
1270 */
1271 list_del(&target_reset_list->list);
1272 if (!ioc->fw_events_off)
1273 mptsas_queue_device_delete(ioc,
1274 &target_reset_list->sas_event_data);
1275
1276
1277 ioc->schedule_target_reset(ioc);
1278
1279 return 1;
1280}
1281
1282/**
1283 * mptscsih_ioc_reset
1284 *
1285 * @ioc
1286 * @reset_phase
1287 *
1288 **/
1289static int
1290mptsas_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
1291{
1292 MPT_SCSI_HOST *hd;
1293 int rc;
1294
1295 rc = mptscsih_ioc_reset(ioc, reset_phase);
1296 if ((ioc->bus_type != SAS) || (!rc))
1297 return rc;
1298
1299 hd = shost_priv(ioc->sh);
1300 if (!hd->ioc)
1301 goto out;
1302
1303 switch (reset_phase) {
1304 case MPT_IOC_SETUP_RESET:
1305 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1306 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
1307 mptsas_fw_event_off(ioc);
1308 break;
1309 case MPT_IOC_PRE_RESET:
1310 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1311 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
1312 break;
1313 case MPT_IOC_POST_RESET:
1314 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1315 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
1316 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_PENDING) {
1317 ioc->sas_mgmt.status |= MPT_MGMT_STATUS_DID_IOCRESET;
1318 complete(&ioc->sas_mgmt.done);
1319 }
1320 mptsas_cleanup_fw_event_q(ioc);
1321 mptsas_queue_rescan(ioc);
1322 break;
1323 default:
1324 break;
1325 }
1326
1327 out:
1328 return rc;
1329}
1330
1331
1332/**
1333 * enum device_state -
1334 * @DEVICE_RETRY: need to retry the TUR
1335 * @DEVICE_ERROR: TUR return error, don't add device
1336 * @DEVICE_READY: device can be added
1337 *
1338 */
1339enum device_state{
1340 DEVICE_RETRY,
1341 DEVICE_ERROR,
1342 DEVICE_READY,
1343};
1344
1345static int
1346mptsas_sas_enclosure_pg0(MPT_ADAPTER *ioc, struct mptsas_enclosure *enclosure,
1347 u32 form, u32 form_specific)
1348{
1349 ConfigExtendedPageHeader_t hdr;
1350 CONFIGPARMS cfg;
1351 SasEnclosurePage0_t *buffer;
1352 dma_addr_t dma_handle;
1353 int error;
1354 __le64 le_identifier;
1355
1356 memset(&hdr, 0, sizeof(hdr));
1357 hdr.PageVersion = MPI_SASENCLOSURE0_PAGEVERSION;
1358 hdr.PageNumber = 0;
1359 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
1360 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_ENCLOSURE;
1361
1362 cfg.cfghdr.ehdr = &hdr;
1363 cfg.physAddr = -1;
1364 cfg.pageAddr = form + form_specific;
1365 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
1366 cfg.dir = 0; /* read */
1367 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
1368
1369 error = mpt_config(ioc, &cfg);
1370 if (error)
1371 goto out;
1372 if (!hdr.ExtPageLength) {
1373 error = -ENXIO;
1374 goto out;
1375 }
1376
1377 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
1378 &dma_handle);
1379 if (!buffer) {
1380 error = -ENOMEM;
1381 goto out;
1382 }
1383
1384 cfg.physAddr = dma_handle;
1385 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
1386
1387 error = mpt_config(ioc, &cfg);
1388 if (error)
1389 goto out_free_consistent;
1390
1391 /* save config data */
1392 memcpy(&le_identifier, &buffer->EnclosureLogicalID, sizeof(__le64));
1393 enclosure->enclosure_logical_id = le64_to_cpu(le_identifier);
1394 enclosure->enclosure_handle = le16_to_cpu(buffer->EnclosureHandle);
1395 enclosure->flags = le16_to_cpu(buffer->Flags);
1396 enclosure->num_slot = le16_to_cpu(buffer->NumSlots);
1397 enclosure->start_slot = le16_to_cpu(buffer->StartSlot);
1398 enclosure->start_id = buffer->StartTargetID;
1399 enclosure->start_channel = buffer->StartBus;
1400 enclosure->sep_id = buffer->SEPTargetID;
1401 enclosure->sep_channel = buffer->SEPBus;
1402
1403 out_free_consistent:
1404 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
1405 buffer, dma_handle);
1406 out:
1407 return error;
1408}
1409
1410/**
1411 * mptsas_add_end_device - report a new end device to sas transport layer
1412 * @ioc: Pointer to MPT_ADAPTER structure
1413 * @phy_info: describes attached device
1414 *
1415 * return (0) success (1) failure
1416 *
1417 **/
1418static int
1419mptsas_add_end_device(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info)
1420{
1421 struct sas_rphy *rphy;
1422 struct sas_port *port;
1423 struct sas_identify identify;
1424 char *ds = NULL;
1425 u8 fw_id;
1426
1427 if (!phy_info) {
1428 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1429 "%s: exit at line=%d\n", ioc->name,
1430 __func__, __LINE__));
1431 return 1;
1432 }
1433
1434 fw_id = phy_info->attached.id;
1435
1436 if (mptsas_get_rphy(phy_info)) {
1437 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1438 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1439 __func__, fw_id, __LINE__));
1440 return 2;
1441 }
1442
1443 port = mptsas_get_port(phy_info);
1444 if (!port) {
1445 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1446 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1447 __func__, fw_id, __LINE__));
1448 return 3;
1449 }
1450
1451 if (phy_info->attached.device_info &
1452 MPI_SAS_DEVICE_INFO_SSP_TARGET)
1453 ds = "ssp";
1454 if (phy_info->attached.device_info &
1455 MPI_SAS_DEVICE_INFO_STP_TARGET)
1456 ds = "stp";
1457 if (phy_info->attached.device_info &
1458 MPI_SAS_DEVICE_INFO_SATA_DEVICE)
1459 ds = "sata";
1460
1461 printk(MYIOC_s_INFO_FMT "attaching %s device: fw_channel %d, fw_id %d,"
1462 " phy %d, sas_addr 0x%llx\n", ioc->name, ds,
1463 phy_info->attached.channel, phy_info->attached.id,
1464 phy_info->attached.phy_id, (unsigned long long)
1465 phy_info->attached.sas_address);
1466
1467 mptsas_parse_device_info(&identify, &phy_info->attached);
1468 rphy = sas_end_device_alloc(port);
1469 if (!rphy) {
1470 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1471 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1472 __func__, fw_id, __LINE__));
1473 return 5; /* non-fatal: an rphy can be added later */
1474 }
1475
1476 rphy->identify = identify;
1477 if (sas_rphy_add(rphy)) {
1478 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1479 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1480 __func__, fw_id, __LINE__));
1481 sas_rphy_free(rphy);
1482 return 6;
1483 }
1484 mptsas_set_rphy(ioc, phy_info, rphy);
1485 return 0;
1486}
1487
1488/**
1489 * mptsas_del_end_device - report a deleted end device to sas transport layer
1490 * @ioc: Pointer to MPT_ADAPTER structure
1491 * @phy_info: describes attached device
1492 *
1493 **/
1494static void
1495mptsas_del_end_device(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info)
1496{
1497 struct sas_rphy *rphy;
1498 struct sas_port *port;
1499 struct mptsas_portinfo *port_info;
1500 struct mptsas_phyinfo *phy_info_parent;
1501 int i;
1502 char *ds = NULL;
1503 u8 fw_id;
1504 u64 sas_address;
1505
1506 if (!phy_info)
1507 return;
1508
1509 fw_id = phy_info->attached.id;
1510 sas_address = phy_info->attached.sas_address;
1511
1512 if (!phy_info->port_details) {
1513 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1514 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1515 __func__, fw_id, __LINE__));
1516 return;
1517 }
1518 rphy = mptsas_get_rphy(phy_info);
1519 if (!rphy) {
1520 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1521 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1522 __func__, fw_id, __LINE__));
1523 return;
1524 }
1525
1526 if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_SSP_INITIATOR
1527 || phy_info->attached.device_info
1528 & MPI_SAS_DEVICE_INFO_SMP_INITIATOR
1529 || phy_info->attached.device_info
1530 & MPI_SAS_DEVICE_INFO_STP_INITIATOR)
1531 ds = "initiator";
1532 if (phy_info->attached.device_info &
1533 MPI_SAS_DEVICE_INFO_SSP_TARGET)
1534 ds = "ssp";
1535 if (phy_info->attached.device_info &
1536 MPI_SAS_DEVICE_INFO_STP_TARGET)
1537 ds = "stp";
1538 if (phy_info->attached.device_info &
1539 MPI_SAS_DEVICE_INFO_SATA_DEVICE)
1540 ds = "sata";
1541
1542 dev_printk(KERN_DEBUG, &rphy->dev, MYIOC_s_FMT
1543 "removing %s device: fw_channel %d, fw_id %d, phy %d,"
1544 "sas_addr 0x%llx\n", ioc->name, ds, phy_info->attached.channel,
1545 phy_info->attached.id, phy_info->attached.phy_id,
1546 (unsigned long long) sas_address);
1547
1548 port = mptsas_get_port(phy_info);
1549 if (!port) {
1550 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1551 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1552 __func__, fw_id, __LINE__));
1553 return;
1554 }
1555 port_info = phy_info->portinfo;
1556 phy_info_parent = port_info->phy_info;
1557 for (i = 0; i < port_info->num_phys; i++, phy_info_parent++) {
1558 if (!phy_info_parent->phy)
1559 continue;
1560 if (phy_info_parent->attached.sas_address !=
1561 sas_address)
1562 continue;
1563 dev_printk(KERN_DEBUG, &phy_info_parent->phy->dev,
1564 MYIOC_s_FMT "delete phy %d, phy-obj (0x%p)\n",
1565 ioc->name, phy_info_parent->phy_id,
1566 phy_info_parent->phy);
1567 sas_port_delete_phy(port, phy_info_parent->phy);
1568 }
1569
1570 dev_printk(KERN_DEBUG, &port->dev, MYIOC_s_FMT
1571 "delete port %d, sas_addr (0x%llx)\n", ioc->name,
1572 port->port_identifier, (unsigned long long)sas_address);
1573 sas_port_delete(port);
1574 mptsas_set_port(ioc, phy_info, NULL);
1575 mptsas_port_delete(ioc, phy_info->port_details);
1576}
1577
1578struct mptsas_phyinfo *
1579mptsas_refreshing_device_handles(MPT_ADAPTER *ioc,
1580 struct mptsas_devinfo *sas_device)
1581{
1582 struct mptsas_phyinfo *phy_info;
1583 struct mptsas_portinfo *port_info;
1584 int i;
1585
1586 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
1587 sas_device->sas_address);
1588 if (!phy_info)
1589 goto out;
1590 port_info = phy_info->portinfo;
1591 if (!port_info)
1592 goto out;
1593 mutex_lock(&ioc->sas_topology_mutex);
1594 for (i = 0; i < port_info->num_phys; i++) {
1595 if (port_info->phy_info[i].attached.sas_address !=
1596 sas_device->sas_address)
1597 continue;
1598 port_info->phy_info[i].attached.channel = sas_device->channel;
1599 port_info->phy_info[i].attached.id = sas_device->id;
1600 port_info->phy_info[i].attached.sas_address =
1601 sas_device->sas_address;
1602 port_info->phy_info[i].attached.handle = sas_device->handle;
1603 port_info->phy_info[i].attached.handle_parent =
1604 sas_device->handle_parent;
1605 port_info->phy_info[i].attached.handle_enclosure =
1606 sas_device->handle_enclosure;
1607 }
1608 mutex_unlock(&ioc->sas_topology_mutex);
1609 out:
1610 return phy_info;
1611}
1612
1613/**
1614 * mptsas_firmware_event_work - work thread for processing fw events
1615 * @work: work queue payload containing info describing the event
1616 * Context: user
1617 *
1618 */
1619static void
1620mptsas_firmware_event_work(struct work_struct *work)
1621{
1622 struct fw_event_work *fw_event =
1623 container_of(work, struct fw_event_work, work.work);
1624 MPT_ADAPTER *ioc = fw_event->ioc;
1625
1626 /* special rescan topology handling */
1627 if (fw_event->event == -1) {
1628 if (ioc->in_rescan) {
1629 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1630 "%s: rescan ignored as it is in progress\n",
1631 ioc->name, __func__));
1632 return;
1633 }
1634 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: rescan after "
1635 "reset\n", ioc->name, __func__));
1636 ioc->in_rescan = 1;
1637 mptsas_not_responding_devices(ioc);
1638 mptsas_scan_sas_topology(ioc);
1639 ioc->in_rescan = 0;
1640 mptsas_free_fw_event(ioc, fw_event);
1641 mptsas_fw_event_on(ioc);
1642 return;
1643 }
1644
1645 /* events handling turned off during host reset */
1646 if (ioc->fw_events_off) {
1647 mptsas_free_fw_event(ioc, fw_event);
1648 return;
1649 }
1650
1651 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: fw_event=(0x%p), "
1652 "event = (0x%02x)\n", ioc->name, __func__, fw_event,
1653 (fw_event->event & 0xFF)));
1654
1655 switch (fw_event->event) {
1656 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
1657 mptsas_send_sas_event(fw_event);
1658 break;
1659 case MPI_EVENT_INTEGRATED_RAID:
1660 mptsas_send_raid_event(fw_event);
1661 break;
1662 case MPI_EVENT_IR2:
1663 mptsas_send_ir2_event(fw_event);
1664 break;
1665 case MPI_EVENT_PERSISTENT_TABLE_FULL:
1666 mptbase_sas_persist_operation(ioc,
1667 MPI_SAS_OP_CLEAR_NOT_PRESENT);
1668 mptsas_free_fw_event(ioc, fw_event);
1669 break;
1670 case MPI_EVENT_SAS_BROADCAST_PRIMITIVE:
1671 mptsas_broadcast_primative_work(fw_event);
1672 break;
1673 case MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE:
1674 mptsas_send_expander_event(fw_event);
1675 break;
1676 case MPI_EVENT_SAS_PHY_LINK_STATUS:
1677 mptsas_send_link_status_event(fw_event);
1678 break;
1679 case MPI_EVENT_QUEUE_FULL:
1680 mptsas_handle_queue_full_event(fw_event);
1681 break;
1682 }
1683}
1684
1685
1686
1687static int
1688mptsas_slave_configure(struct scsi_device *sdev)
1689{
1690 struct Scsi_Host *host = sdev->host;
1691 MPT_SCSI_HOST *hd = shost_priv(host);
1692 MPT_ADAPTER *ioc = hd->ioc;
1693 VirtDevice *vdevice = sdev->hostdata;
1694
1695 if (vdevice->vtarget->deleted) {
1696 sdev_printk(KERN_INFO, sdev, "clearing deleted flag\n");
1697 vdevice->vtarget->deleted = 0;
1698 }
1699
1700 /*
1701 * RAID volumes placed beyond the last expected port.
1702 * Ignore sending sas mode pages in that case..
1703 */
1704 if (sdev->channel == MPTSAS_RAID_CHANNEL) {
1705 mptsas_add_device_component_starget_ir(ioc, scsi_target(sdev));
1706 goto out;
1707 }
1708
1709 sas_read_port_mode_page(sdev);
1710
1711 mptsas_add_device_component_starget(ioc, scsi_target(sdev));
1712
1713 out:
1714 return mptscsih_slave_configure(sdev);
1715}
1716
1717static int
1718mptsas_target_alloc(struct scsi_target *starget)
1719{
1720 struct Scsi_Host *host = dev_to_shost(&starget->dev);
1721 MPT_SCSI_HOST *hd = shost_priv(host);
1722 VirtTarget *vtarget;
1723 u8 id, channel;
1724 struct sas_rphy *rphy;
1725 struct mptsas_portinfo *p;
1726 int i;
1727 MPT_ADAPTER *ioc = hd->ioc;
1728
1729 vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL);
1730 if (!vtarget)
1731 return -ENOMEM;
1732
1733 vtarget->starget = starget;
1734 vtarget->ioc_id = ioc->id;
1735 vtarget->tflags = MPT_TARGET_FLAGS_Q_YES;
1736 id = starget->id;
1737 channel = 0;
1738
1739 /*
1740 * RAID volumes placed beyond the last expected port.
1741 */
1742 if (starget->channel == MPTSAS_RAID_CHANNEL) {
1743 if (!ioc->raid_data.pIocPg2) {
1744 kfree(vtarget);
1745 return -ENXIO;
1746 }
1747 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
1748 if (id == ioc->raid_data.pIocPg2->
1749 RaidVolume[i].VolumeID) {
1750 channel = ioc->raid_data.pIocPg2->
1751 RaidVolume[i].VolumeBus;
1752 }
1753 }
1754 vtarget->raidVolume = 1;
1755 goto out;
1756 }
1757
1758 rphy = dev_to_rphy(starget->dev.parent);
1759 mutex_lock(&ioc->sas_topology_mutex);
1760 list_for_each_entry(p, &ioc->sas_topology, list) {
1761 for (i = 0; i < p->num_phys; i++) {
1762 if (p->phy_info[i].attached.sas_address !=
1763 rphy->identify.sas_address)
1764 continue;
1765 id = p->phy_info[i].attached.id;
1766 channel = p->phy_info[i].attached.channel;
1767 mptsas_set_starget(&p->phy_info[i], starget);
1768
1769 /*
1770 * Exposing hidden raid components
1771 */
1772 if (mptscsih_is_phys_disk(ioc, channel, id)) {
1773 id = mptscsih_raid_id_to_num(ioc,
1774 channel, id);
1775 vtarget->tflags |=
1776 MPT_TARGET_FLAGS_RAID_COMPONENT;
1777 p->phy_info[i].attached.phys_disk_num = id;
1778 }
1779 mutex_unlock(&ioc->sas_topology_mutex);
1780 goto out;
1781 }
1782 }
1783 mutex_unlock(&ioc->sas_topology_mutex);
1784
1785 kfree(vtarget);
1786 return -ENXIO;
1787
1788 out:
1789 vtarget->id = id;
1790 vtarget->channel = channel;
1791 starget->hostdata = vtarget;
1792 return 0;
1793}
1794
1795static void
1796mptsas_target_destroy(struct scsi_target *starget)
1797{
1798 struct Scsi_Host *host = dev_to_shost(&starget->dev);
1799 MPT_SCSI_HOST *hd = shost_priv(host);
1800 struct sas_rphy *rphy;
1801 struct mptsas_portinfo *p;
1802 int i;
1803 MPT_ADAPTER *ioc = hd->ioc;
1804 VirtTarget *vtarget;
1805
1806 if (!starget->hostdata)
1807 return;
1808
1809 vtarget = starget->hostdata;
1810
1811 mptsas_del_device_component_by_os(ioc, starget->channel,
1812 starget->id);
1813
1814
1815 if (starget->channel == MPTSAS_RAID_CHANNEL)
1816 goto out;
1817
1818 rphy = dev_to_rphy(starget->dev.parent);
1819 list_for_each_entry(p, &ioc->sas_topology, list) {
1820 for (i = 0; i < p->num_phys; i++) {
1821 if (p->phy_info[i].attached.sas_address !=
1822 rphy->identify.sas_address)
1823 continue;
1824
1825 starget_printk(KERN_INFO, starget, MYIOC_s_FMT
1826 "delete device: fw_channel %d, fw_id %d, phy %d, "
1827 "sas_addr 0x%llx\n", ioc->name,
1828 p->phy_info[i].attached.channel,
1829 p->phy_info[i].attached.id,
1830 p->phy_info[i].attached.phy_id, (unsigned long long)
1831 p->phy_info[i].attached.sas_address);
1832
1833 mptsas_set_starget(&p->phy_info[i], NULL);
1834 }
1835 }
1836
1837 out:
1838 vtarget->starget = NULL;
1839 kfree(starget->hostdata);
1840 starget->hostdata = NULL;
1841}
1842
1843
1844static int
1845mptsas_slave_alloc(struct scsi_device *sdev)
1846{
1847 struct Scsi_Host *host = sdev->host;
1848 MPT_SCSI_HOST *hd = shost_priv(host);
1849 struct sas_rphy *rphy;
1850 struct mptsas_portinfo *p;
1851 VirtDevice *vdevice;
1852 struct scsi_target *starget;
1853 int i;
1854 MPT_ADAPTER *ioc = hd->ioc;
1855
1856 vdevice = kzalloc(sizeof(VirtDevice), GFP_KERNEL);
1857 if (!vdevice) {
1858 printk(MYIOC_s_ERR_FMT "slave_alloc kzalloc(%zd) FAILED!\n",
1859 ioc->name, sizeof(VirtDevice));
1860 return -ENOMEM;
1861 }
1862 starget = scsi_target(sdev);
1863 vdevice->vtarget = starget->hostdata;
1864
1865 if (sdev->channel == MPTSAS_RAID_CHANNEL)
1866 goto out;
1867
1868 rphy = dev_to_rphy(sdev->sdev_target->dev.parent);
1869 mutex_lock(&ioc->sas_topology_mutex);
1870 list_for_each_entry(p, &ioc->sas_topology, list) {
1871 for (i = 0; i < p->num_phys; i++) {
1872 if (p->phy_info[i].attached.sas_address !=
1873 rphy->identify.sas_address)
1874 continue;
1875 vdevice->lun = sdev->lun;
1876 /*
1877 * Exposing hidden raid components
1878 */
1879 if (mptscsih_is_phys_disk(ioc,
1880 p->phy_info[i].attached.channel,
1881 p->phy_info[i].attached.id))
1882 sdev->no_uld_attach = 1;
1883 mutex_unlock(&ioc->sas_topology_mutex);
1884 goto out;
1885 }
1886 }
1887 mutex_unlock(&ioc->sas_topology_mutex);
1888
1889 kfree(vdevice);
1890 return -ENXIO;
1891
1892 out:
1893 vdevice->vtarget->num_luns++;
1894 sdev->hostdata = vdevice;
1895 return 0;
1896}
1897
1898static int
1899mptsas_qcmd_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
1900{
1901 MPT_SCSI_HOST *hd;
1902 MPT_ADAPTER *ioc;
1903 VirtDevice *vdevice = SCpnt->device->hostdata;
1904
1905 if (!vdevice || !vdevice->vtarget || vdevice->vtarget->deleted) {
1906 SCpnt->result = DID_NO_CONNECT << 16;
1907 done(SCpnt);
1908 return 0;
1909 }
1910
1911 hd = shost_priv(SCpnt->device->host);
1912 ioc = hd->ioc;
1913
1914 if (ioc->sas_discovery_quiesce_io)
1915 return SCSI_MLQUEUE_HOST_BUSY;
1916
1917 if (ioc->debug_level & MPT_DEBUG_SCSI)
1918 scsi_print_command(SCpnt);
1919
1920 return mptscsih_qcmd(SCpnt,done);
1921}
1922
1923static DEF_SCSI_QCMD(mptsas_qcmd)
1924
1925/**
1926 * mptsas_mptsas_eh_timed_out - resets the scsi_cmnd timeout
1927 * if the device under question is currently in the
1928 * device removal delay.
1929 * @sc: scsi command that the midlayer is about to time out
1930 *
1931 **/
1932static enum blk_eh_timer_return mptsas_eh_timed_out(struct scsi_cmnd *sc)
1933{
1934 MPT_SCSI_HOST *hd;
1935 MPT_ADAPTER *ioc;
1936 VirtDevice *vdevice;
1937 enum blk_eh_timer_return rc = BLK_EH_NOT_HANDLED;
1938
1939 hd = shost_priv(sc->device->host);
1940 if (hd == NULL) {
1941 printk(KERN_ERR MYNAM ": %s: Can't locate host! (sc=%p)\n",
1942 __func__, sc);
1943 goto done;
1944 }
1945
1946 ioc = hd->ioc;
1947 if (ioc->bus_type != SAS) {
1948 printk(KERN_ERR MYNAM ": %s: Wrong bus type (sc=%p)\n",
1949 __func__, sc);
1950 goto done;
1951 }
1952
1953 /* In case if IOC is in reset from internal context.
1954 * Do not execute EEH for the same IOC. SML should to reset timer.
1955 */
1956 if (ioc->ioc_reset_in_progress) {
1957 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT ": %s: ioc is in reset,"
1958 "SML need to reset the timer (sc=%p)\n",
1959 ioc->name, __func__, sc));
1960 rc = BLK_EH_RESET_TIMER;
1961 }
1962 vdevice = sc->device->hostdata;
1963 if (vdevice && vdevice->vtarget && (vdevice->vtarget->inDMD
1964 || vdevice->vtarget->deleted)) {
1965 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT ": %s: target removed "
1966 "or in device removal delay (sc=%p)\n",
1967 ioc->name, __func__, sc));
1968 rc = BLK_EH_RESET_TIMER;
1969 goto done;
1970 }
1971
1972done:
1973 return rc;
1974}
1975
1976
1977static struct scsi_host_template mptsas_driver_template = {
1978 .module = THIS_MODULE,
1979 .proc_name = "mptsas",
1980 .proc_info = mptscsih_proc_info,
1981 .name = "MPT SAS Host",
1982 .info = mptscsih_info,
1983 .queuecommand = mptsas_qcmd,
1984 .target_alloc = mptsas_target_alloc,
1985 .slave_alloc = mptsas_slave_alloc,
1986 .slave_configure = mptsas_slave_configure,
1987 .target_destroy = mptsas_target_destroy,
1988 .slave_destroy = mptscsih_slave_destroy,
1989 .change_queue_depth = mptscsih_change_queue_depth,
1990 .eh_abort_handler = mptscsih_abort,
1991 .eh_device_reset_handler = mptscsih_dev_reset,
1992 .eh_host_reset_handler = mptscsih_host_reset,
1993 .bios_param = mptscsih_bios_param,
1994 .can_queue = MPT_SAS_CAN_QUEUE,
1995 .this_id = -1,
1996 .sg_tablesize = MPT_SCSI_SG_DEPTH,
1997 .max_sectors = 8192,
1998 .cmd_per_lun = 7,
1999 .use_clustering = ENABLE_CLUSTERING,
2000 .shost_attrs = mptscsih_host_attrs,
2001};
2002
2003static int mptsas_get_linkerrors(struct sas_phy *phy)
2004{
2005 MPT_ADAPTER *ioc = phy_to_ioc(phy);
2006 ConfigExtendedPageHeader_t hdr;
2007 CONFIGPARMS cfg;
2008 SasPhyPage1_t *buffer;
2009 dma_addr_t dma_handle;
2010 int error;
2011
2012 /* FIXME: only have link errors on local phys */
2013 if (!scsi_is_sas_phy_local(phy))
2014 return -EINVAL;
2015
2016 hdr.PageVersion = MPI_SASPHY1_PAGEVERSION;
2017 hdr.ExtPageLength = 0;
2018 hdr.PageNumber = 1 /* page number 1*/;
2019 hdr.Reserved1 = 0;
2020 hdr.Reserved2 = 0;
2021 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2022 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY;
2023
2024 cfg.cfghdr.ehdr = &hdr;
2025 cfg.physAddr = -1;
2026 cfg.pageAddr = phy->identify.phy_identifier;
2027 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2028 cfg.dir = 0; /* read */
2029 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2030
2031 error = mpt_config(ioc, &cfg);
2032 if (error)
2033 return error;
2034 if (!hdr.ExtPageLength)
2035 return -ENXIO;
2036
2037 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2038 &dma_handle);
2039 if (!buffer)
2040 return -ENOMEM;
2041
2042 cfg.physAddr = dma_handle;
2043 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2044
2045 error = mpt_config(ioc, &cfg);
2046 if (error)
2047 goto out_free_consistent;
2048
2049 mptsas_print_phy_pg1(ioc, buffer);
2050
2051 phy->invalid_dword_count = le32_to_cpu(buffer->InvalidDwordCount);
2052 phy->running_disparity_error_count =
2053 le32_to_cpu(buffer->RunningDisparityErrorCount);
2054 phy->loss_of_dword_sync_count =
2055 le32_to_cpu(buffer->LossDwordSynchCount);
2056 phy->phy_reset_problem_count =
2057 le32_to_cpu(buffer->PhyResetProblemCount);
2058
2059 out_free_consistent:
2060 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2061 buffer, dma_handle);
2062 return error;
2063}
2064
2065static int mptsas_mgmt_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2066 MPT_FRAME_HDR *reply)
2067{
2068 ioc->sas_mgmt.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2069 if (reply != NULL) {
2070 ioc->sas_mgmt.status |= MPT_MGMT_STATUS_RF_VALID;
2071 memcpy(ioc->sas_mgmt.reply, reply,
2072 min(ioc->reply_sz, 4 * reply->u.reply.MsgLength));
2073 }
2074
2075 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_PENDING) {
2076 ioc->sas_mgmt.status &= ~MPT_MGMT_STATUS_PENDING;
2077 complete(&ioc->sas_mgmt.done);
2078 return 1;
2079 }
2080 return 0;
2081}
2082
2083static int mptsas_phy_reset(struct sas_phy *phy, int hard_reset)
2084{
2085 MPT_ADAPTER *ioc = phy_to_ioc(phy);
2086 SasIoUnitControlRequest_t *req;
2087 SasIoUnitControlReply_t *reply;
2088 MPT_FRAME_HDR *mf;
2089 MPIHeader_t *hdr;
2090 unsigned long timeleft;
2091 int error = -ERESTARTSYS;
2092
2093 /* FIXME: fusion doesn't allow non-local phy reset */
2094 if (!scsi_is_sas_phy_local(phy))
2095 return -EINVAL;
2096
2097 /* not implemented for expanders */
2098 if (phy->identify.target_port_protocols & SAS_PROTOCOL_SMP)
2099 return -ENXIO;
2100
2101 if (mutex_lock_interruptible(&ioc->sas_mgmt.mutex))
2102 goto out;
2103
2104 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
2105 if (!mf) {
2106 error = -ENOMEM;
2107 goto out_unlock;
2108 }
2109
2110 hdr = (MPIHeader_t *) mf;
2111 req = (SasIoUnitControlRequest_t *)mf;
2112 memset(req, 0, sizeof(SasIoUnitControlRequest_t));
2113 req->Function = MPI_FUNCTION_SAS_IO_UNIT_CONTROL;
2114 req->MsgContext = hdr->MsgContext;
2115 req->Operation = hard_reset ?
2116 MPI_SAS_OP_PHY_HARD_RESET : MPI_SAS_OP_PHY_LINK_RESET;
2117 req->PhyNum = phy->identify.phy_identifier;
2118
2119 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status)
2120 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
2121
2122 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done,
2123 10 * HZ);
2124 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2125 error = -ETIME;
2126 mpt_free_msg_frame(ioc, mf);
2127 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
2128 goto out_unlock;
2129 if (!timeleft)
2130 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2131 goto out_unlock;
2132 }
2133
2134 /* a reply frame is expected */
2135 if ((ioc->sas_mgmt.status &
2136 MPT_MGMT_STATUS_RF_VALID) == 0) {
2137 error = -ENXIO;
2138 goto out_unlock;
2139 }
2140
2141 /* process the completed Reply Message Frame */
2142 reply = (SasIoUnitControlReply_t *)ioc->sas_mgmt.reply;
2143 if (reply->IOCStatus != MPI_IOCSTATUS_SUCCESS) {
2144 printk(MYIOC_s_INFO_FMT "%s: IOCStatus=0x%X IOCLogInfo=0x%X\n",
2145 ioc->name, __func__, reply->IOCStatus, reply->IOCLogInfo);
2146 error = -ENXIO;
2147 goto out_unlock;
2148 }
2149
2150 error = 0;
2151
2152 out_unlock:
2153 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status)
2154 mutex_unlock(&ioc->sas_mgmt.mutex);
2155 out:
2156 return error;
2157}
2158
2159static int
2160mptsas_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier)
2161{
2162 MPT_ADAPTER *ioc = rphy_to_ioc(rphy);
2163 int i, error;
2164 struct mptsas_portinfo *p;
2165 struct mptsas_enclosure enclosure_info;
2166 u64 enclosure_handle;
2167
2168 mutex_lock(&ioc->sas_topology_mutex);
2169 list_for_each_entry(p, &ioc->sas_topology, list) {
2170 for (i = 0; i < p->num_phys; i++) {
2171 if (p->phy_info[i].attached.sas_address ==
2172 rphy->identify.sas_address) {
2173 enclosure_handle = p->phy_info[i].
2174 attached.handle_enclosure;
2175 goto found_info;
2176 }
2177 }
2178 }
2179 mutex_unlock(&ioc->sas_topology_mutex);
2180 return -ENXIO;
2181
2182 found_info:
2183 mutex_unlock(&ioc->sas_topology_mutex);
2184 memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure));
2185 error = mptsas_sas_enclosure_pg0(ioc, &enclosure_info,
2186 (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE <<
2187 MPI_SAS_ENCLOS_PGAD_FORM_SHIFT), enclosure_handle);
2188 if (!error)
2189 *identifier = enclosure_info.enclosure_logical_id;
2190 return error;
2191}
2192
2193static int
2194mptsas_get_bay_identifier(struct sas_rphy *rphy)
2195{
2196 MPT_ADAPTER *ioc = rphy_to_ioc(rphy);
2197 struct mptsas_portinfo *p;
2198 int i, rc;
2199
2200 mutex_lock(&ioc->sas_topology_mutex);
2201 list_for_each_entry(p, &ioc->sas_topology, list) {
2202 for (i = 0; i < p->num_phys; i++) {
2203 if (p->phy_info[i].attached.sas_address ==
2204 rphy->identify.sas_address) {
2205 rc = p->phy_info[i].attached.slot;
2206 goto out;
2207 }
2208 }
2209 }
2210 rc = -ENXIO;
2211 out:
2212 mutex_unlock(&ioc->sas_topology_mutex);
2213 return rc;
2214}
2215
2216static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
2217 struct request *req)
2218{
2219 MPT_ADAPTER *ioc = ((MPT_SCSI_HOST *) shost->hostdata)->ioc;
2220 MPT_FRAME_HDR *mf;
2221 SmpPassthroughRequest_t *smpreq;
2222 struct request *rsp = req->next_rq;
2223 int ret;
2224 int flagsLength;
2225 unsigned long timeleft;
2226 char *psge;
2227 dma_addr_t dma_addr_in = 0;
2228 dma_addr_t dma_addr_out = 0;
2229 u64 sas_address = 0;
2230
2231 if (!rsp) {
2232 printk(MYIOC_s_ERR_FMT "%s: the smp response space is missing\n",
2233 ioc->name, __func__);
2234 return -EINVAL;
2235 }
2236
2237 /* do we need to support multiple segments? */
2238 if (req->bio->bi_vcnt > 1 || rsp->bio->bi_vcnt > 1) {
2239 printk(MYIOC_s_ERR_FMT "%s: multiple segments req %u %u, rsp %u %u\n",
2240 ioc->name, __func__, req->bio->bi_vcnt, blk_rq_bytes(req),
2241 rsp->bio->bi_vcnt, blk_rq_bytes(rsp));
2242 return -EINVAL;
2243 }
2244
2245 ret = mutex_lock_interruptible(&ioc->sas_mgmt.mutex);
2246 if (ret)
2247 goto out;
2248
2249 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
2250 if (!mf) {
2251 ret = -ENOMEM;
2252 goto out_unlock;
2253 }
2254
2255 smpreq = (SmpPassthroughRequest_t *)mf;
2256 memset(smpreq, 0, sizeof(*smpreq));
2257
2258 smpreq->RequestDataLength = cpu_to_le16(blk_rq_bytes(req) - 4);
2259 smpreq->Function = MPI_FUNCTION_SMP_PASSTHROUGH;
2260
2261 if (rphy)
2262 sas_address = rphy->identify.sas_address;
2263 else {
2264 struct mptsas_portinfo *port_info;
2265
2266 mutex_lock(&ioc->sas_topology_mutex);
2267 port_info = ioc->hba_port_info;
2268 if (port_info && port_info->phy_info)
2269 sas_address =
2270 port_info->phy_info[0].phy->identify.sas_address;
2271 mutex_unlock(&ioc->sas_topology_mutex);
2272 }
2273
2274 *((u64 *)&smpreq->SASAddress) = cpu_to_le64(sas_address);
2275
2276 psge = (char *)
2277 (((int *) mf) + (offsetof(SmpPassthroughRequest_t, SGL) / 4));
2278
2279 /* request */
2280 flagsLength = (MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2281 MPI_SGE_FLAGS_END_OF_BUFFER |
2282 MPI_SGE_FLAGS_DIRECTION)
2283 << MPI_SGE_FLAGS_SHIFT;
2284 flagsLength |= (blk_rq_bytes(req) - 4);
2285
2286 dma_addr_out = pci_map_single(ioc->pcidev, bio_data(req->bio),
2287 blk_rq_bytes(req), PCI_DMA_BIDIRECTIONAL);
2288 if (!dma_addr_out)
2289 goto put_mf;
2290 ioc->add_sge(psge, flagsLength, dma_addr_out);
2291 psge += ioc->SGE_size;
2292
2293 /* response */
2294 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2295 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
2296 MPI_SGE_FLAGS_IOC_TO_HOST |
2297 MPI_SGE_FLAGS_END_OF_BUFFER;
2298
2299 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT;
2300 flagsLength |= blk_rq_bytes(rsp) + 4;
2301 dma_addr_in = pci_map_single(ioc->pcidev, bio_data(rsp->bio),
2302 blk_rq_bytes(rsp), PCI_DMA_BIDIRECTIONAL);
2303 if (!dma_addr_in)
2304 goto unmap;
2305 ioc->add_sge(psge, flagsLength, dma_addr_in);
2306
2307 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status)
2308 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
2309
2310 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done, 10 * HZ);
2311 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2312 ret = -ETIME;
2313 mpt_free_msg_frame(ioc, mf);
2314 mf = NULL;
2315 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
2316 goto unmap;
2317 if (!timeleft)
2318 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2319 goto unmap;
2320 }
2321 mf = NULL;
2322
2323 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_RF_VALID) {
2324 SmpPassthroughReply_t *smprep;
2325
2326 smprep = (SmpPassthroughReply_t *)ioc->sas_mgmt.reply;
2327 memcpy(req->sense, smprep, sizeof(*smprep));
2328 req->sense_len = sizeof(*smprep);
2329 req->resid_len = 0;
2330 rsp->resid_len -= smprep->ResponseDataLength;
2331 } else {
2332 printk(MYIOC_s_ERR_FMT
2333 "%s: smp passthru reply failed to be returned\n",
2334 ioc->name, __func__);
2335 ret = -ENXIO;
2336 }
2337unmap:
2338 if (dma_addr_out)
2339 pci_unmap_single(ioc->pcidev, dma_addr_out, blk_rq_bytes(req),
2340 PCI_DMA_BIDIRECTIONAL);
2341 if (dma_addr_in)
2342 pci_unmap_single(ioc->pcidev, dma_addr_in, blk_rq_bytes(rsp),
2343 PCI_DMA_BIDIRECTIONAL);
2344put_mf:
2345 if (mf)
2346 mpt_free_msg_frame(ioc, mf);
2347out_unlock:
2348 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status)
2349 mutex_unlock(&ioc->sas_mgmt.mutex);
2350out:
2351 return ret;
2352}
2353
2354static struct sas_function_template mptsas_transport_functions = {
2355 .get_linkerrors = mptsas_get_linkerrors,
2356 .get_enclosure_identifier = mptsas_get_enclosure_identifier,
2357 .get_bay_identifier = mptsas_get_bay_identifier,
2358 .phy_reset = mptsas_phy_reset,
2359 .smp_handler = mptsas_smp_handler,
2360};
2361
2362static struct scsi_transport_template *mptsas_transport_template;
2363
2364static int
2365mptsas_sas_io_unit_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
2366{
2367 ConfigExtendedPageHeader_t hdr;
2368 CONFIGPARMS cfg;
2369 SasIOUnitPage0_t *buffer;
2370 dma_addr_t dma_handle;
2371 int error, i;
2372
2373 hdr.PageVersion = MPI_SASIOUNITPAGE0_PAGEVERSION;
2374 hdr.ExtPageLength = 0;
2375 hdr.PageNumber = 0;
2376 hdr.Reserved1 = 0;
2377 hdr.Reserved2 = 0;
2378 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2379 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
2380
2381 cfg.cfghdr.ehdr = &hdr;
2382 cfg.physAddr = -1;
2383 cfg.pageAddr = 0;
2384 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2385 cfg.dir = 0; /* read */
2386 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2387
2388 error = mpt_config(ioc, &cfg);
2389 if (error)
2390 goto out;
2391 if (!hdr.ExtPageLength) {
2392 error = -ENXIO;
2393 goto out;
2394 }
2395
2396 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2397 &dma_handle);
2398 if (!buffer) {
2399 error = -ENOMEM;
2400 goto out;
2401 }
2402
2403 cfg.physAddr = dma_handle;
2404 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2405
2406 error = mpt_config(ioc, &cfg);
2407 if (error)
2408 goto out_free_consistent;
2409
2410 port_info->num_phys = buffer->NumPhys;
2411 port_info->phy_info = kcalloc(port_info->num_phys,
2412 sizeof(struct mptsas_phyinfo), GFP_KERNEL);
2413 if (!port_info->phy_info) {
2414 error = -ENOMEM;
2415 goto out_free_consistent;
2416 }
2417
2418 ioc->nvdata_version_persistent =
2419 le16_to_cpu(buffer->NvdataVersionPersistent);
2420 ioc->nvdata_version_default =
2421 le16_to_cpu(buffer->NvdataVersionDefault);
2422
2423 for (i = 0; i < port_info->num_phys; i++) {
2424 mptsas_print_phy_data(ioc, &buffer->PhyData[i]);
2425 port_info->phy_info[i].phy_id = i;
2426 port_info->phy_info[i].port_id =
2427 buffer->PhyData[i].Port;
2428 port_info->phy_info[i].negotiated_link_rate =
2429 buffer->PhyData[i].NegotiatedLinkRate;
2430 port_info->phy_info[i].portinfo = port_info;
2431 port_info->phy_info[i].handle =
2432 le16_to_cpu(buffer->PhyData[i].ControllerDevHandle);
2433 }
2434
2435 out_free_consistent:
2436 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2437 buffer, dma_handle);
2438 out:
2439 return error;
2440}
2441
2442static int
2443mptsas_sas_io_unit_pg1(MPT_ADAPTER *ioc)
2444{
2445 ConfigExtendedPageHeader_t hdr;
2446 CONFIGPARMS cfg;
2447 SasIOUnitPage1_t *buffer;
2448 dma_addr_t dma_handle;
2449 int error;
2450 u8 device_missing_delay;
2451
2452 memset(&hdr, 0, sizeof(ConfigExtendedPageHeader_t));
2453 memset(&cfg, 0, sizeof(CONFIGPARMS));
2454
2455 cfg.cfghdr.ehdr = &hdr;
2456 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2457 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2458 cfg.cfghdr.ehdr->PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2459 cfg.cfghdr.ehdr->ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
2460 cfg.cfghdr.ehdr->PageVersion = MPI_SASIOUNITPAGE1_PAGEVERSION;
2461 cfg.cfghdr.ehdr->PageNumber = 1;
2462
2463 error = mpt_config(ioc, &cfg);
2464 if (error)
2465 goto out;
2466 if (!hdr.ExtPageLength) {
2467 error = -ENXIO;
2468 goto out;
2469 }
2470
2471 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2472 &dma_handle);
2473 if (!buffer) {
2474 error = -ENOMEM;
2475 goto out;
2476 }
2477
2478 cfg.physAddr = dma_handle;
2479 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2480
2481 error = mpt_config(ioc, &cfg);
2482 if (error)
2483 goto out_free_consistent;
2484
2485 ioc->io_missing_delay =
2486 le16_to_cpu(buffer->IODeviceMissingDelay);
2487 device_missing_delay = buffer->ReportDeviceMissingDelay;
2488 ioc->device_missing_delay = (device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_UNIT_16) ?
2489 (device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16 :
2490 device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
2491
2492 out_free_consistent:
2493 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2494 buffer, dma_handle);
2495 out:
2496 return error;
2497}
2498
2499static int
2500mptsas_sas_phy_pg0(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
2501 u32 form, u32 form_specific)
2502{
2503 ConfigExtendedPageHeader_t hdr;
2504 CONFIGPARMS cfg;
2505 SasPhyPage0_t *buffer;
2506 dma_addr_t dma_handle;
2507 int error;
2508
2509 hdr.PageVersion = MPI_SASPHY0_PAGEVERSION;
2510 hdr.ExtPageLength = 0;
2511 hdr.PageNumber = 0;
2512 hdr.Reserved1 = 0;
2513 hdr.Reserved2 = 0;
2514 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2515 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY;
2516
2517 cfg.cfghdr.ehdr = &hdr;
2518 cfg.dir = 0; /* read */
2519 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2520
2521 /* Get Phy Pg 0 for each Phy. */
2522 cfg.physAddr = -1;
2523 cfg.pageAddr = form + form_specific;
2524 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2525
2526 error = mpt_config(ioc, &cfg);
2527 if (error)
2528 goto out;
2529
2530 if (!hdr.ExtPageLength) {
2531 error = -ENXIO;
2532 goto out;
2533 }
2534
2535 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2536 &dma_handle);
2537 if (!buffer) {
2538 error = -ENOMEM;
2539 goto out;
2540 }
2541
2542 cfg.physAddr = dma_handle;
2543 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2544
2545 error = mpt_config(ioc, &cfg);
2546 if (error)
2547 goto out_free_consistent;
2548
2549 mptsas_print_phy_pg0(ioc, buffer);
2550
2551 phy_info->hw_link_rate = buffer->HwLinkRate;
2552 phy_info->programmed_link_rate = buffer->ProgrammedLinkRate;
2553 phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle);
2554 phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle);
2555
2556 out_free_consistent:
2557 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2558 buffer, dma_handle);
2559 out:
2560 return error;
2561}
2562
2563static int
2564mptsas_sas_device_pg0(MPT_ADAPTER *ioc, struct mptsas_devinfo *device_info,
2565 u32 form, u32 form_specific)
2566{
2567 ConfigExtendedPageHeader_t hdr;
2568 CONFIGPARMS cfg;
2569 SasDevicePage0_t *buffer;
2570 dma_addr_t dma_handle;
2571 __le64 sas_address;
2572 int error=0;
2573
2574 hdr.PageVersion = MPI_SASDEVICE0_PAGEVERSION;
2575 hdr.ExtPageLength = 0;
2576 hdr.PageNumber = 0;
2577 hdr.Reserved1 = 0;
2578 hdr.Reserved2 = 0;
2579 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2580 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE;
2581
2582 cfg.cfghdr.ehdr = &hdr;
2583 cfg.pageAddr = form + form_specific;
2584 cfg.physAddr = -1;
2585 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2586 cfg.dir = 0; /* read */
2587 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2588
2589 memset(device_info, 0, sizeof(struct mptsas_devinfo));
2590 error = mpt_config(ioc, &cfg);
2591 if (error)
2592 goto out;
2593 if (!hdr.ExtPageLength) {
2594 error = -ENXIO;
2595 goto out;
2596 }
2597
2598 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2599 &dma_handle);
2600 if (!buffer) {
2601 error = -ENOMEM;
2602 goto out;
2603 }
2604
2605 cfg.physAddr = dma_handle;
2606 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2607
2608 error = mpt_config(ioc, &cfg);
2609
2610 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
2611 error = -ENODEV;
2612 goto out_free_consistent;
2613 }
2614
2615 if (error)
2616 goto out_free_consistent;
2617
2618 mptsas_print_device_pg0(ioc, buffer);
2619
2620 memset(device_info, 0, sizeof(struct mptsas_devinfo));
2621 device_info->handle = le16_to_cpu(buffer->DevHandle);
2622 device_info->handle_parent = le16_to_cpu(buffer->ParentDevHandle);
2623 device_info->handle_enclosure =
2624 le16_to_cpu(buffer->EnclosureHandle);
2625 device_info->slot = le16_to_cpu(buffer->Slot);
2626 device_info->phy_id = buffer->PhyNum;
2627 device_info->port_id = buffer->PhysicalPort;
2628 device_info->id = buffer->TargetID;
2629 device_info->phys_disk_num = ~0;
2630 device_info->channel = buffer->Bus;
2631 memcpy(&sas_address, &buffer->SASAddress, sizeof(__le64));
2632 device_info->sas_address = le64_to_cpu(sas_address);
2633 device_info->device_info =
2634 le32_to_cpu(buffer->DeviceInfo);
2635 device_info->flags = le16_to_cpu(buffer->Flags);
2636
2637 out_free_consistent:
2638 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2639 buffer, dma_handle);
2640 out:
2641 return error;
2642}
2643
2644static int
2645mptsas_sas_expander_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info,
2646 u32 form, u32 form_specific)
2647{
2648 ConfigExtendedPageHeader_t hdr;
2649 CONFIGPARMS cfg;
2650 SasExpanderPage0_t *buffer;
2651 dma_addr_t dma_handle;
2652 int i, error;
2653 __le64 sas_address;
2654
2655 memset(port_info, 0, sizeof(struct mptsas_portinfo));
2656 hdr.PageVersion = MPI_SASEXPANDER0_PAGEVERSION;
2657 hdr.ExtPageLength = 0;
2658 hdr.PageNumber = 0;
2659 hdr.Reserved1 = 0;
2660 hdr.Reserved2 = 0;
2661 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2662 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
2663
2664 cfg.cfghdr.ehdr = &hdr;
2665 cfg.physAddr = -1;
2666 cfg.pageAddr = form + form_specific;
2667 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2668 cfg.dir = 0; /* read */
2669 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2670
2671 memset(port_info, 0, sizeof(struct mptsas_portinfo));
2672 error = mpt_config(ioc, &cfg);
2673 if (error)
2674 goto out;
2675
2676 if (!hdr.ExtPageLength) {
2677 error = -ENXIO;
2678 goto out;
2679 }
2680
2681 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2682 &dma_handle);
2683 if (!buffer) {
2684 error = -ENOMEM;
2685 goto out;
2686 }
2687
2688 cfg.physAddr = dma_handle;
2689 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2690
2691 error = mpt_config(ioc, &cfg);
2692 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
2693 error = -ENODEV;
2694 goto out_free_consistent;
2695 }
2696
2697 if (error)
2698 goto out_free_consistent;
2699
2700 /* save config data */
2701 port_info->num_phys = (buffer->NumPhys) ? buffer->NumPhys : 1;
2702 port_info->phy_info = kcalloc(port_info->num_phys,
2703 sizeof(struct mptsas_phyinfo), GFP_KERNEL);
2704 if (!port_info->phy_info) {
2705 error = -ENOMEM;
2706 goto out_free_consistent;
2707 }
2708
2709 memcpy(&sas_address, &buffer->SASAddress, sizeof(__le64));
2710 for (i = 0; i < port_info->num_phys; i++) {
2711 port_info->phy_info[i].portinfo = port_info;
2712 port_info->phy_info[i].handle =
2713 le16_to_cpu(buffer->DevHandle);
2714 port_info->phy_info[i].identify.sas_address =
2715 le64_to_cpu(sas_address);
2716 port_info->phy_info[i].identify.handle_parent =
2717 le16_to_cpu(buffer->ParentDevHandle);
2718 }
2719
2720 out_free_consistent:
2721 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2722 buffer, dma_handle);
2723 out:
2724 return error;
2725}
2726
2727static int
2728mptsas_sas_expander_pg1(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
2729 u32 form, u32 form_specific)
2730{
2731 ConfigExtendedPageHeader_t hdr;
2732 CONFIGPARMS cfg;
2733 SasExpanderPage1_t *buffer;
2734 dma_addr_t dma_handle;
2735 int error=0;
2736
2737 hdr.PageVersion = MPI_SASEXPANDER1_PAGEVERSION;
2738 hdr.ExtPageLength = 0;
2739 hdr.PageNumber = 1;
2740 hdr.Reserved1 = 0;
2741 hdr.Reserved2 = 0;
2742 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2743 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
2744
2745 cfg.cfghdr.ehdr = &hdr;
2746 cfg.physAddr = -1;
2747 cfg.pageAddr = form + form_specific;
2748 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2749 cfg.dir = 0; /* read */
2750 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2751
2752 error = mpt_config(ioc, &cfg);
2753 if (error)
2754 goto out;
2755
2756 if (!hdr.ExtPageLength) {
2757 error = -ENXIO;
2758 goto out;
2759 }
2760
2761 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2762 &dma_handle);
2763 if (!buffer) {
2764 error = -ENOMEM;
2765 goto out;
2766 }
2767
2768 cfg.physAddr = dma_handle;
2769 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2770
2771 error = mpt_config(ioc, &cfg);
2772
2773 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
2774 error = -ENODEV;
2775 goto out_free_consistent;
2776 }
2777
2778 if (error)
2779 goto out_free_consistent;
2780
2781
2782 mptsas_print_expander_pg1(ioc, buffer);
2783
2784 /* save config data */
2785 phy_info->phy_id = buffer->PhyIdentifier;
2786 phy_info->port_id = buffer->PhysicalPort;
2787 phy_info->negotiated_link_rate = buffer->NegotiatedLinkRate;
2788 phy_info->programmed_link_rate = buffer->ProgrammedLinkRate;
2789 phy_info->hw_link_rate = buffer->HwLinkRate;
2790 phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle);
2791 phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle);
2792
2793 out_free_consistent:
2794 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2795 buffer, dma_handle);
2796 out:
2797 return error;
2798}
2799
2800struct rep_manu_request{
2801 u8 smp_frame_type;
2802 u8 function;
2803 u8 reserved;
2804 u8 request_length;
2805};
2806
2807struct rep_manu_reply{
2808 u8 smp_frame_type; /* 0x41 */
2809 u8 function; /* 0x01 */
2810 u8 function_result;
2811 u8 response_length;
2812 u16 expander_change_count;
2813 u8 reserved0[2];
2814 u8 sas_format:1;
2815 u8 reserved1:7;
2816 u8 reserved2[3];
2817 u8 vendor_id[SAS_EXPANDER_VENDOR_ID_LEN];
2818 u8 product_id[SAS_EXPANDER_PRODUCT_ID_LEN];
2819 u8 product_rev[SAS_EXPANDER_PRODUCT_REV_LEN];
2820 u8 component_vendor_id[SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN];
2821 u16 component_id;
2822 u8 component_revision_id;
2823 u8 reserved3;
2824 u8 vendor_specific[8];
2825};
2826
2827/**
2828 * mptsas_exp_repmanufacture_info -
2829 * @ioc: per adapter object
2830 * @sas_address: expander sas address
2831 * @edev: the sas_expander_device object
2832 *
2833 * Fills in the sas_expander_device object when SMP port is created.
2834 *
2835 * Returns 0 for success, non-zero for failure.
2836 */
2837static int
2838mptsas_exp_repmanufacture_info(MPT_ADAPTER *ioc,
2839 u64 sas_address, struct sas_expander_device *edev)
2840{
2841 MPT_FRAME_HDR *mf;
2842 SmpPassthroughRequest_t *smpreq;
2843 SmpPassthroughReply_t *smprep;
2844 struct rep_manu_reply *manufacture_reply;
2845 struct rep_manu_request *manufacture_request;
2846 int ret;
2847 int flagsLength;
2848 unsigned long timeleft;
2849 char *psge;
2850 unsigned long flags;
2851 void *data_out = NULL;
2852 dma_addr_t data_out_dma = 0;
2853 u32 sz;
2854
2855 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2856 if (ioc->ioc_reset_in_progress) {
2857 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2858 printk(MYIOC_s_INFO_FMT "%s: host reset in progress!\n",
2859 __func__, ioc->name);
2860 return -EFAULT;
2861 }
2862 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2863
2864 ret = mutex_lock_interruptible(&ioc->sas_mgmt.mutex);
2865 if (ret)
2866 goto out;
2867
2868 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
2869 if (!mf) {
2870 ret = -ENOMEM;
2871 goto out_unlock;
2872 }
2873
2874 smpreq = (SmpPassthroughRequest_t *)mf;
2875 memset(smpreq, 0, sizeof(*smpreq));
2876
2877 sz = sizeof(struct rep_manu_request) + sizeof(struct rep_manu_reply);
2878
2879 data_out = pci_alloc_consistent(ioc->pcidev, sz, &data_out_dma);
2880 if (!data_out) {
2881 printk(KERN_ERR "Memory allocation failure at %s:%d/%s()!\n",
2882 __FILE__, __LINE__, __func__);
2883 ret = -ENOMEM;
2884 goto put_mf;
2885 }
2886
2887 manufacture_request = data_out;
2888 manufacture_request->smp_frame_type = 0x40;
2889 manufacture_request->function = 1;
2890 manufacture_request->reserved = 0;
2891 manufacture_request->request_length = 0;
2892
2893 smpreq->Function = MPI_FUNCTION_SMP_PASSTHROUGH;
2894 smpreq->PhysicalPort = 0xFF;
2895 *((u64 *)&smpreq->SASAddress) = cpu_to_le64(sas_address);
2896 smpreq->RequestDataLength = sizeof(struct rep_manu_request);
2897
2898 psge = (char *)
2899 (((int *) mf) + (offsetof(SmpPassthroughRequest_t, SGL) / 4));
2900
2901 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2902 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
2903 MPI_SGE_FLAGS_HOST_TO_IOC |
2904 MPI_SGE_FLAGS_END_OF_BUFFER;
2905 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT;
2906 flagsLength |= sizeof(struct rep_manu_request);
2907
2908 ioc->add_sge(psge, flagsLength, data_out_dma);
2909 psge += ioc->SGE_size;
2910
2911 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2912 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
2913 MPI_SGE_FLAGS_IOC_TO_HOST |
2914 MPI_SGE_FLAGS_END_OF_BUFFER;
2915 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT;
2916 flagsLength |= sizeof(struct rep_manu_reply);
2917 ioc->add_sge(psge, flagsLength, data_out_dma +
2918 sizeof(struct rep_manu_request));
2919
2920 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status)
2921 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
2922
2923 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done, 10 * HZ);
2924 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2925 ret = -ETIME;
2926 mpt_free_msg_frame(ioc, mf);
2927 mf = NULL;
2928 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
2929 goto out_free;
2930 if (!timeleft)
2931 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2932 goto out_free;
2933 }
2934
2935 mf = NULL;
2936
2937 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_RF_VALID) {
2938 u8 *tmp;
2939
2940 smprep = (SmpPassthroughReply_t *)ioc->sas_mgmt.reply;
2941 if (le16_to_cpu(smprep->ResponseDataLength) !=
2942 sizeof(struct rep_manu_reply))
2943 goto out_free;
2944
2945 manufacture_reply = data_out + sizeof(struct rep_manu_request);
2946 strncpy(edev->vendor_id, manufacture_reply->vendor_id,
2947 SAS_EXPANDER_VENDOR_ID_LEN);
2948 strncpy(edev->product_id, manufacture_reply->product_id,
2949 SAS_EXPANDER_PRODUCT_ID_LEN);
2950 strncpy(edev->product_rev, manufacture_reply->product_rev,
2951 SAS_EXPANDER_PRODUCT_REV_LEN);
2952 edev->level = manufacture_reply->sas_format;
2953 if (manufacture_reply->sas_format) {
2954 strncpy(edev->component_vendor_id,
2955 manufacture_reply->component_vendor_id,
2956 SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN);
2957 tmp = (u8 *)&manufacture_reply->component_id;
2958 edev->component_id = tmp[0] << 8 | tmp[1];
2959 edev->component_revision_id =
2960 manufacture_reply->component_revision_id;
2961 }
2962 } else {
2963 printk(MYIOC_s_ERR_FMT
2964 "%s: smp passthru reply failed to be returned\n",
2965 ioc->name, __func__);
2966 ret = -ENXIO;
2967 }
2968out_free:
2969 if (data_out_dma)
2970 pci_free_consistent(ioc->pcidev, sz, data_out, data_out_dma);
2971put_mf:
2972 if (mf)
2973 mpt_free_msg_frame(ioc, mf);
2974out_unlock:
2975 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status)
2976 mutex_unlock(&ioc->sas_mgmt.mutex);
2977out:
2978 return ret;
2979 }
2980
2981static void
2982mptsas_parse_device_info(struct sas_identify *identify,
2983 struct mptsas_devinfo *device_info)
2984{
2985 u16 protocols;
2986
2987 identify->sas_address = device_info->sas_address;
2988 identify->phy_identifier = device_info->phy_id;
2989
2990 /*
2991 * Fill in Phy Initiator Port Protocol.
2992 * Bits 6:3, more than one bit can be set, fall through cases.
2993 */
2994 protocols = device_info->device_info & 0x78;
2995 identify->initiator_port_protocols = 0;
2996 if (protocols & MPI_SAS_DEVICE_INFO_SSP_INITIATOR)
2997 identify->initiator_port_protocols |= SAS_PROTOCOL_SSP;
2998 if (protocols & MPI_SAS_DEVICE_INFO_STP_INITIATOR)
2999 identify->initiator_port_protocols |= SAS_PROTOCOL_STP;
3000 if (protocols & MPI_SAS_DEVICE_INFO_SMP_INITIATOR)
3001 identify->initiator_port_protocols |= SAS_PROTOCOL_SMP;
3002 if (protocols & MPI_SAS_DEVICE_INFO_SATA_HOST)
3003 identify->initiator_port_protocols |= SAS_PROTOCOL_SATA;
3004
3005 /*
3006 * Fill in Phy Target Port Protocol.
3007 * Bits 10:7, more than one bit can be set, fall through cases.
3008 */
3009 protocols = device_info->device_info & 0x780;
3010 identify->target_port_protocols = 0;
3011 if (protocols & MPI_SAS_DEVICE_INFO_SSP_TARGET)
3012 identify->target_port_protocols |= SAS_PROTOCOL_SSP;
3013 if (protocols & MPI_SAS_DEVICE_INFO_STP_TARGET)
3014 identify->target_port_protocols |= SAS_PROTOCOL_STP;
3015 if (protocols & MPI_SAS_DEVICE_INFO_SMP_TARGET)
3016 identify->target_port_protocols |= SAS_PROTOCOL_SMP;
3017 if (protocols & MPI_SAS_DEVICE_INFO_SATA_DEVICE)
3018 identify->target_port_protocols |= SAS_PROTOCOL_SATA;
3019
3020 /*
3021 * Fill in Attached device type.
3022 */
3023 switch (device_info->device_info &
3024 MPI_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) {
3025 case MPI_SAS_DEVICE_INFO_NO_DEVICE:
3026 identify->device_type = SAS_PHY_UNUSED;
3027 break;
3028 case MPI_SAS_DEVICE_INFO_END_DEVICE:
3029 identify->device_type = SAS_END_DEVICE;
3030 break;
3031 case MPI_SAS_DEVICE_INFO_EDGE_EXPANDER:
3032 identify->device_type = SAS_EDGE_EXPANDER_DEVICE;
3033 break;
3034 case MPI_SAS_DEVICE_INFO_FANOUT_EXPANDER:
3035 identify->device_type = SAS_FANOUT_EXPANDER_DEVICE;
3036 break;
3037 }
3038}
3039
3040static int mptsas_probe_one_phy(struct device *dev,
3041 struct mptsas_phyinfo *phy_info, int index, int local)
3042{
3043 MPT_ADAPTER *ioc;
3044 struct sas_phy *phy;
3045 struct sas_port *port;
3046 int error = 0;
3047 VirtTarget *vtarget;
3048
3049 if (!dev) {
3050 error = -ENODEV;
3051 goto out;
3052 }
3053
3054 if (!phy_info->phy) {
3055 phy = sas_phy_alloc(dev, index);
3056 if (!phy) {
3057 error = -ENOMEM;
3058 goto out;
3059 }
3060 } else
3061 phy = phy_info->phy;
3062
3063 mptsas_parse_device_info(&phy->identify, &phy_info->identify);
3064
3065 /*
3066 * Set Negotiated link rate.
3067 */
3068 switch (phy_info->negotiated_link_rate) {
3069 case MPI_SAS_IOUNIT0_RATE_PHY_DISABLED:
3070 phy->negotiated_linkrate = SAS_PHY_DISABLED;
3071 break;
3072 case MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION:
3073 phy->negotiated_linkrate = SAS_LINK_RATE_FAILED;
3074 break;
3075 case MPI_SAS_IOUNIT0_RATE_1_5:
3076 phy->negotiated_linkrate = SAS_LINK_RATE_1_5_GBPS;
3077 break;
3078 case MPI_SAS_IOUNIT0_RATE_3_0:
3079 phy->negotiated_linkrate = SAS_LINK_RATE_3_0_GBPS;
3080 break;
3081 case MPI_SAS_IOUNIT0_RATE_6_0:
3082 phy->negotiated_linkrate = SAS_LINK_RATE_6_0_GBPS;
3083 break;
3084 case MPI_SAS_IOUNIT0_RATE_SATA_OOB_COMPLETE:
3085 case MPI_SAS_IOUNIT0_RATE_UNKNOWN:
3086 default:
3087 phy->negotiated_linkrate = SAS_LINK_RATE_UNKNOWN;
3088 break;
3089 }
3090
3091 /*
3092 * Set Max hardware link rate.
3093 */
3094 switch (phy_info->hw_link_rate & MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) {
3095 case MPI_SAS_PHY0_HWRATE_MAX_RATE_1_5:
3096 phy->maximum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3097 break;
3098 case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0:
3099 phy->maximum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS;
3100 break;
3101 default:
3102 break;
3103 }
3104
3105 /*
3106 * Set Max programmed link rate.
3107 */
3108 switch (phy_info->programmed_link_rate &
3109 MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) {
3110 case MPI_SAS_PHY0_PRATE_MAX_RATE_1_5:
3111 phy->maximum_linkrate = SAS_LINK_RATE_1_5_GBPS;
3112 break;
3113 case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0:
3114 phy->maximum_linkrate = SAS_LINK_RATE_3_0_GBPS;
3115 break;
3116 default:
3117 break;
3118 }
3119
3120 /*
3121 * Set Min hardware link rate.
3122 */
3123 switch (phy_info->hw_link_rate & MPI_SAS_PHY0_HWRATE_MIN_RATE_MASK) {
3124 case MPI_SAS_PHY0_HWRATE_MIN_RATE_1_5:
3125 phy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3126 break;
3127 case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0:
3128 phy->minimum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS;
3129 break;
3130 default:
3131 break;
3132 }
3133
3134 /*
3135 * Set Min programmed link rate.
3136 */
3137 switch (phy_info->programmed_link_rate &
3138 MPI_SAS_PHY0_PRATE_MIN_RATE_MASK) {
3139 case MPI_SAS_PHY0_PRATE_MIN_RATE_1_5:
3140 phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
3141 break;
3142 case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0:
3143 phy->minimum_linkrate = SAS_LINK_RATE_3_0_GBPS;
3144 break;
3145 default:
3146 break;
3147 }
3148
3149 if (!phy_info->phy) {
3150
3151 error = sas_phy_add(phy);
3152 if (error) {
3153 sas_phy_free(phy);
3154 goto out;
3155 }
3156 phy_info->phy = phy;
3157 }
3158
3159 if (!phy_info->attached.handle ||
3160 !phy_info->port_details)
3161 goto out;
3162
3163 port = mptsas_get_port(phy_info);
3164 ioc = phy_to_ioc(phy_info->phy);
3165
3166 if (phy_info->sas_port_add_phy) {
3167
3168 if (!port) {
3169 port = sas_port_alloc_num(dev);
3170 if (!port) {
3171 error = -ENOMEM;
3172 goto out;
3173 }
3174 error = sas_port_add(port);
3175 if (error) {
3176 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3177 "%s: exit at line=%d\n", ioc->name,
3178 __func__, __LINE__));
3179 goto out;
3180 }
3181 mptsas_set_port(ioc, phy_info, port);
3182 devtprintk(ioc, dev_printk(KERN_DEBUG, &port->dev,
3183 MYIOC_s_FMT "add port %d, sas_addr (0x%llx)\n",
3184 ioc->name, port->port_identifier,
3185 (unsigned long long)phy_info->
3186 attached.sas_address));
3187 }
3188 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3189 "sas_port_add_phy: phy_id=%d\n",
3190 ioc->name, phy_info->phy_id));
3191 sas_port_add_phy(port, phy_info->phy);
3192 phy_info->sas_port_add_phy = 0;
3193 devtprintk(ioc, dev_printk(KERN_DEBUG, &phy_info->phy->dev,
3194 MYIOC_s_FMT "add phy %d, phy-obj (0x%p)\n", ioc->name,
3195 phy_info->phy_id, phy_info->phy));
3196 }
3197 if (!mptsas_get_rphy(phy_info) && port && !port->rphy) {
3198
3199 struct sas_rphy *rphy;
3200 struct device *parent;
3201 struct sas_identify identify;
3202
3203 parent = dev->parent->parent;
3204 /*
3205 * Let the hotplug_work thread handle processing
3206 * the adding/removing of devices that occur
3207 * after start of day.
3208 */
3209 if (mptsas_is_end_device(&phy_info->attached) &&
3210 phy_info->attached.handle_parent) {
3211 goto out;
3212 }
3213
3214 mptsas_parse_device_info(&identify, &phy_info->attached);
3215 if (scsi_is_host_device(parent)) {
3216 struct mptsas_portinfo *port_info;
3217 int i;
3218
3219 port_info = ioc->hba_port_info;
3220
3221 for (i = 0; i < port_info->num_phys; i++)
3222 if (port_info->phy_info[i].identify.sas_address ==
3223 identify.sas_address) {
3224 sas_port_mark_backlink(port);
3225 goto out;
3226 }
3227
3228 } else if (scsi_is_sas_rphy(parent)) {
3229 struct sas_rphy *parent_rphy = dev_to_rphy(parent);
3230 if (identify.sas_address ==
3231 parent_rphy->identify.sas_address) {
3232 sas_port_mark_backlink(port);
3233 goto out;
3234 }
3235 }
3236
3237 switch (identify.device_type) {
3238 case SAS_END_DEVICE:
3239 rphy = sas_end_device_alloc(port);
3240 break;
3241 case SAS_EDGE_EXPANDER_DEVICE:
3242 case SAS_FANOUT_EXPANDER_DEVICE:
3243 rphy = sas_expander_alloc(port, identify.device_type);
3244 break;
3245 default:
3246 rphy = NULL;
3247 break;
3248 }
3249 if (!rphy) {
3250 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3251 "%s: exit at line=%d\n", ioc->name,
3252 __func__, __LINE__));
3253 goto out;
3254 }
3255
3256 rphy->identify = identify;
3257 error = sas_rphy_add(rphy);
3258 if (error) {
3259 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3260 "%s: exit at line=%d\n", ioc->name,
3261 __func__, __LINE__));
3262 sas_rphy_free(rphy);
3263 goto out;
3264 }
3265 mptsas_set_rphy(ioc, phy_info, rphy);
3266 if (identify.device_type == SAS_EDGE_EXPANDER_DEVICE ||
3267 identify.device_type == SAS_FANOUT_EXPANDER_DEVICE)
3268 mptsas_exp_repmanufacture_info(ioc,
3269 identify.sas_address,
3270 rphy_to_expander_device(rphy));
3271 }
3272
3273 /* If the device exists,verify it wasn't previously flagged
3274 as a missing device. If so, clear it */
3275 vtarget = mptsas_find_vtarget(ioc,
3276 phy_info->attached.channel,
3277 phy_info->attached.id);
3278 if (vtarget && vtarget->inDMD) {
3279 printk(KERN_INFO "Device returned, unsetting inDMD\n");
3280 vtarget->inDMD = 0;
3281 }
3282
3283 out:
3284 return error;
3285}
3286
3287static int
3288mptsas_probe_hba_phys(MPT_ADAPTER *ioc)
3289{
3290 struct mptsas_portinfo *port_info, *hba;
3291 int error = -ENOMEM, i;
3292
3293 hba = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
3294 if (! hba)
3295 goto out;
3296
3297 error = mptsas_sas_io_unit_pg0(ioc, hba);
3298 if (error)
3299 goto out_free_port_info;
3300
3301 mptsas_sas_io_unit_pg1(ioc);
3302 mutex_lock(&ioc->sas_topology_mutex);
3303 port_info = ioc->hba_port_info;
3304 if (!port_info) {
3305 ioc->hba_port_info = port_info = hba;
3306 ioc->hba_port_num_phy = port_info->num_phys;
3307 list_add_tail(&port_info->list, &ioc->sas_topology);
3308 } else {
3309 for (i = 0; i < hba->num_phys; i++) {
3310 port_info->phy_info[i].negotiated_link_rate =
3311 hba->phy_info[i].negotiated_link_rate;
3312 port_info->phy_info[i].handle =
3313 hba->phy_info[i].handle;
3314 port_info->phy_info[i].port_id =
3315 hba->phy_info[i].port_id;
3316 }
3317 kfree(hba->phy_info);
3318 kfree(hba);
3319 hba = NULL;
3320 }
3321 mutex_unlock(&ioc->sas_topology_mutex);
3322#if defined(CPQ_CIM)
3323 ioc->num_ports = port_info->num_phys;
3324#endif
3325 for (i = 0; i < port_info->num_phys; i++) {
3326 mptsas_sas_phy_pg0(ioc, &port_info->phy_info[i],
3327 (MPI_SAS_PHY_PGAD_FORM_PHY_NUMBER <<
3328 MPI_SAS_PHY_PGAD_FORM_SHIFT), i);
3329 port_info->phy_info[i].identify.handle =
3330 port_info->phy_info[i].handle;
3331 mptsas_sas_device_pg0(ioc, &port_info->phy_info[i].identify,
3332 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3333 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3334 port_info->phy_info[i].identify.handle);
3335 if (!ioc->hba_port_sas_addr)
3336 ioc->hba_port_sas_addr =
3337 port_info->phy_info[i].identify.sas_address;
3338 port_info->phy_info[i].identify.phy_id =
3339 port_info->phy_info[i].phy_id = i;
3340 if (port_info->phy_info[i].attached.handle)
3341 mptsas_sas_device_pg0(ioc,
3342 &port_info->phy_info[i].attached,
3343 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3344 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3345 port_info->phy_info[i].attached.handle);
3346 }
3347
3348 mptsas_setup_wide_ports(ioc, port_info);
3349
3350 for (i = 0; i < port_info->num_phys; i++, ioc->sas_index++)
3351 mptsas_probe_one_phy(&ioc->sh->shost_gendev,
3352 &port_info->phy_info[i], ioc->sas_index, 1);
3353
3354 return 0;
3355
3356 out_free_port_info:
3357 kfree(hba);
3358 out:
3359 return error;
3360}
3361
3362static void
3363mptsas_expander_refresh(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
3364{
3365 struct mptsas_portinfo *parent;
3366 struct device *parent_dev;
3367 struct sas_rphy *rphy;
3368 int i;
3369 u64 sas_address; /* expander sas address */
3370 u32 handle;
3371
3372 handle = port_info->phy_info[0].handle;
3373 sas_address = port_info->phy_info[0].identify.sas_address;
3374 for (i = 0; i < port_info->num_phys; i++) {
3375 mptsas_sas_expander_pg1(ioc, &port_info->phy_info[i],
3376 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE_PHY_NUM <<
3377 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), (i << 16) + handle);
3378
3379 mptsas_sas_device_pg0(ioc,
3380 &port_info->phy_info[i].identify,
3381 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3382 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3383 port_info->phy_info[i].identify.handle);
3384 port_info->phy_info[i].identify.phy_id =
3385 port_info->phy_info[i].phy_id;
3386
3387 if (port_info->phy_info[i].attached.handle) {
3388 mptsas_sas_device_pg0(ioc,
3389 &port_info->phy_info[i].attached,
3390 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3391 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3392 port_info->phy_info[i].attached.handle);
3393 port_info->phy_info[i].attached.phy_id =
3394 port_info->phy_info[i].phy_id;
3395 }
3396 }
3397
3398 mutex_lock(&ioc->sas_topology_mutex);
3399 parent = mptsas_find_portinfo_by_handle(ioc,
3400 port_info->phy_info[0].identify.handle_parent);
3401 if (!parent) {
3402 mutex_unlock(&ioc->sas_topology_mutex);
3403 return;
3404 }
3405 for (i = 0, parent_dev = NULL; i < parent->num_phys && !parent_dev;
3406 i++) {
3407 if (parent->phy_info[i].attached.sas_address == sas_address) {
3408 rphy = mptsas_get_rphy(&parent->phy_info[i]);
3409 parent_dev = &rphy->dev;
3410 }
3411 }
3412 mutex_unlock(&ioc->sas_topology_mutex);
3413
3414 mptsas_setup_wide_ports(ioc, port_info);
3415 for (i = 0; i < port_info->num_phys; i++, ioc->sas_index++)
3416 mptsas_probe_one_phy(parent_dev, &port_info->phy_info[i],
3417 ioc->sas_index, 0);
3418}
3419
3420static void
3421mptsas_expander_event_add(MPT_ADAPTER *ioc,
3422 MpiEventDataSasExpanderStatusChange_t *expander_data)
3423{
3424 struct mptsas_portinfo *port_info;
3425 int i;
3426 __le64 sas_address;
3427
3428 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
3429 if (!port_info)
3430 BUG();
3431 port_info->num_phys = (expander_data->NumPhys) ?
3432 expander_data->NumPhys : 1;
3433 port_info->phy_info = kcalloc(port_info->num_phys,
3434 sizeof(struct mptsas_phyinfo), GFP_KERNEL);
3435 if (!port_info->phy_info)
3436 BUG();
3437 memcpy(&sas_address, &expander_data->SASAddress, sizeof(__le64));
3438 for (i = 0; i < port_info->num_phys; i++) {
3439 port_info->phy_info[i].portinfo = port_info;
3440 port_info->phy_info[i].handle =
3441 le16_to_cpu(expander_data->DevHandle);
3442 port_info->phy_info[i].identify.sas_address =
3443 le64_to_cpu(sas_address);
3444 port_info->phy_info[i].identify.handle_parent =
3445 le16_to_cpu(expander_data->ParentDevHandle);
3446 }
3447
3448 mutex_lock(&ioc->sas_topology_mutex);
3449 list_add_tail(&port_info->list, &ioc->sas_topology);
3450 mutex_unlock(&ioc->sas_topology_mutex);
3451
3452 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, "
3453 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3454 (unsigned long long)sas_address);
3455
3456 mptsas_expander_refresh(ioc, port_info);
3457}
3458
3459/**
3460 * mptsas_delete_expander_siblings - remove siblings attached to expander
3461 * @ioc: Pointer to MPT_ADAPTER structure
3462 * @parent: the parent port_info object
3463 * @expander: the expander port_info object
3464 **/
3465static void
3466mptsas_delete_expander_siblings(MPT_ADAPTER *ioc, struct mptsas_portinfo
3467 *parent, struct mptsas_portinfo *expander)
3468{
3469 struct mptsas_phyinfo *phy_info;
3470 struct mptsas_portinfo *port_info;
3471 struct sas_rphy *rphy;
3472 int i;
3473
3474 phy_info = expander->phy_info;
3475 for (i = 0; i < expander->num_phys; i++, phy_info++) {
3476 rphy = mptsas_get_rphy(phy_info);
3477 if (!rphy)
3478 continue;
3479 if (rphy->identify.device_type == SAS_END_DEVICE)
3480 mptsas_del_end_device(ioc, phy_info);
3481 }
3482
3483 phy_info = expander->phy_info;
3484 for (i = 0; i < expander->num_phys; i++, phy_info++) {
3485 rphy = mptsas_get_rphy(phy_info);
3486 if (!rphy)
3487 continue;
3488 if (rphy->identify.device_type ==
3489 MPI_SAS_DEVICE_INFO_EDGE_EXPANDER ||
3490 rphy->identify.device_type ==
3491 MPI_SAS_DEVICE_INFO_FANOUT_EXPANDER) {
3492 port_info = mptsas_find_portinfo_by_sas_address(ioc,
3493 rphy->identify.sas_address);
3494 if (!port_info)
3495 continue;
3496 if (port_info == parent) /* backlink rphy */
3497 continue;
3498 /*
3499 Delete this expander even if the expdevpage is exists
3500 because the parent expander is already deleted
3501 */
3502 mptsas_expander_delete(ioc, port_info, 1);
3503 }
3504 }
3505}
3506
3507
3508/**
3509 * mptsas_expander_delete - remove this expander
3510 * @ioc: Pointer to MPT_ADAPTER structure
3511 * @port_info: expander port_info struct
3512 * @force: Flag to forcefully delete the expander
3513 *
3514 **/
3515
3516static void mptsas_expander_delete(MPT_ADAPTER *ioc,
3517 struct mptsas_portinfo *port_info, u8 force)
3518{
3519
3520 struct mptsas_portinfo *parent;
3521 int i;
3522 u64 expander_sas_address;
3523 struct mptsas_phyinfo *phy_info;
3524 struct mptsas_portinfo buffer;
3525 struct mptsas_portinfo_details *port_details;
3526 struct sas_port *port;
3527
3528 if (!port_info)
3529 return;
3530
3531 /* see if expander is still there before deleting */
3532 mptsas_sas_expander_pg0(ioc, &buffer,
3533 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE <<
3534 MPI_SAS_EXPAND_PGAD_FORM_SHIFT),
3535 port_info->phy_info[0].identify.handle);
3536
3537 if (buffer.num_phys) {
3538 kfree(buffer.phy_info);
3539 if (!force)
3540 return;
3541 }
3542
3543
3544 /*
3545 * Obtain the port_info instance to the parent port
3546 */
3547 port_details = NULL;
3548 expander_sas_address =
3549 port_info->phy_info[0].identify.sas_address;
3550 parent = mptsas_find_portinfo_by_handle(ioc,
3551 port_info->phy_info[0].identify.handle_parent);
3552 mptsas_delete_expander_siblings(ioc, parent, port_info);
3553 if (!parent)
3554 goto out;
3555
3556 /*
3557 * Delete rphys in the parent that point
3558 * to this expander.
3559 */
3560 phy_info = parent->phy_info;
3561 port = NULL;
3562 for (i = 0; i < parent->num_phys; i++, phy_info++) {
3563 if (!phy_info->phy)
3564 continue;
3565 if (phy_info->attached.sas_address !=
3566 expander_sas_address)
3567 continue;
3568 if (!port) {
3569 port = mptsas_get_port(phy_info);
3570 port_details = phy_info->port_details;
3571 }
3572 dev_printk(KERN_DEBUG, &phy_info->phy->dev,
3573 MYIOC_s_FMT "delete phy %d, phy-obj (0x%p)\n", ioc->name,
3574 phy_info->phy_id, phy_info->phy);
3575 sas_port_delete_phy(port, phy_info->phy);
3576 }
3577 if (port) {
3578 dev_printk(KERN_DEBUG, &port->dev,
3579 MYIOC_s_FMT "delete port %d, sas_addr (0x%llx)\n",
3580 ioc->name, port->port_identifier,
3581 (unsigned long long)expander_sas_address);
3582 sas_port_delete(port);
3583 mptsas_port_delete(ioc, port_details);
3584 }
3585 out:
3586
3587 printk(MYIOC_s_INFO_FMT "delete expander: num_phys %d, "
3588 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3589 (unsigned long long)expander_sas_address);
3590
3591 /*
3592 * free link
3593 */
3594 list_del(&port_info->list);
3595 kfree(port_info->phy_info);
3596 kfree(port_info);
3597}
3598
3599
3600/**
3601 * mptsas_send_expander_event - expanders events
3602 * @ioc: Pointer to MPT_ADAPTER structure
3603 * @expander_data: event data
3604 *
3605 *
3606 * This function handles adding, removing, and refreshing
3607 * device handles within the expander objects.
3608 */
3609static void
3610mptsas_send_expander_event(struct fw_event_work *fw_event)
3611{
3612 MPT_ADAPTER *ioc;
3613 MpiEventDataSasExpanderStatusChange_t *expander_data;
3614 struct mptsas_portinfo *port_info;
3615 __le64 sas_address;
3616 int i;
3617
3618 ioc = fw_event->ioc;
3619 expander_data = (MpiEventDataSasExpanderStatusChange_t *)
3620 fw_event->event_data;
3621 memcpy(&sas_address, &expander_data->SASAddress, sizeof(__le64));
3622 sas_address = le64_to_cpu(sas_address);
3623 port_info = mptsas_find_portinfo_by_sas_address(ioc, sas_address);
3624
3625 if (expander_data->ReasonCode == MPI_EVENT_SAS_EXP_RC_ADDED) {
3626 if (port_info) {
3627 for (i = 0; i < port_info->num_phys; i++) {
3628 port_info->phy_info[i].portinfo = port_info;
3629 port_info->phy_info[i].handle =
3630 le16_to_cpu(expander_data->DevHandle);
3631 port_info->phy_info[i].identify.sas_address =
3632 le64_to_cpu(sas_address);
3633 port_info->phy_info[i].identify.handle_parent =
3634 le16_to_cpu(expander_data->ParentDevHandle);
3635 }
3636 mptsas_expander_refresh(ioc, port_info);
3637 } else if (!port_info && expander_data->NumPhys)
3638 mptsas_expander_event_add(ioc, expander_data);
3639 } else if (expander_data->ReasonCode ==
3640 MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING)
3641 mptsas_expander_delete(ioc, port_info, 0);
3642
3643 mptsas_free_fw_event(ioc, fw_event);
3644}
3645
3646
3647/**
3648 * mptsas_expander_add -
3649 * @ioc: Pointer to MPT_ADAPTER structure
3650 * @handle:
3651 *
3652 */
3653struct mptsas_portinfo *
3654mptsas_expander_add(MPT_ADAPTER *ioc, u16 handle)
3655{
3656 struct mptsas_portinfo buffer, *port_info;
3657 int i;
3658
3659 if ((mptsas_sas_expander_pg0(ioc, &buffer,
3660 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE <<
3661 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle)))
3662 return NULL;
3663
3664 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_ATOMIC);
3665 if (!port_info) {
3666 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3667 "%s: exit at line=%d\n", ioc->name,
3668 __func__, __LINE__));
3669 return NULL;
3670 }
3671 port_info->num_phys = buffer.num_phys;
3672 port_info->phy_info = buffer.phy_info;
3673 for (i = 0; i < port_info->num_phys; i++)
3674 port_info->phy_info[i].portinfo = port_info;
3675 mutex_lock(&ioc->sas_topology_mutex);
3676 list_add_tail(&port_info->list, &ioc->sas_topology);
3677 mutex_unlock(&ioc->sas_topology_mutex);
3678 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, "
3679 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3680 (unsigned long long)buffer.phy_info[0].identify.sas_address);
3681 mptsas_expander_refresh(ioc, port_info);
3682 return port_info;
3683}
3684
3685static void
3686mptsas_send_link_status_event(struct fw_event_work *fw_event)
3687{
3688 MPT_ADAPTER *ioc;
3689 MpiEventDataSasPhyLinkStatus_t *link_data;
3690 struct mptsas_portinfo *port_info;
3691 struct mptsas_phyinfo *phy_info = NULL;
3692 __le64 sas_address;
3693 u8 phy_num;
3694 u8 link_rate;
3695
3696 ioc = fw_event->ioc;
3697 link_data = (MpiEventDataSasPhyLinkStatus_t *)fw_event->event_data;
3698
3699 memcpy(&sas_address, &link_data->SASAddress, sizeof(__le64));
3700 sas_address = le64_to_cpu(sas_address);
3701 link_rate = link_data->LinkRates >> 4;
3702 phy_num = link_data->PhyNum;
3703
3704 port_info = mptsas_find_portinfo_by_sas_address(ioc, sas_address);
3705 if (port_info) {
3706 phy_info = &port_info->phy_info[phy_num];
3707 if (phy_info)
3708 phy_info->negotiated_link_rate = link_rate;
3709 }
3710
3711 if (link_rate == MPI_SAS_IOUNIT0_RATE_1_5 ||
3712 link_rate == MPI_SAS_IOUNIT0_RATE_3_0 ||
3713 link_rate == MPI_SAS_IOUNIT0_RATE_6_0) {
3714
3715 if (!port_info) {
3716 if (ioc->old_sas_discovery_protocal) {
3717 port_info = mptsas_expander_add(ioc,
3718 le16_to_cpu(link_data->DevHandle));
3719 if (port_info)
3720 goto out;
3721 }
3722 goto out;
3723 }
3724
3725 if (port_info == ioc->hba_port_info)
3726 mptsas_probe_hba_phys(ioc);
3727 else
3728 mptsas_expander_refresh(ioc, port_info);
3729 } else if (phy_info && phy_info->phy) {
3730 if (link_rate == MPI_SAS_IOUNIT0_RATE_PHY_DISABLED)
3731 phy_info->phy->negotiated_linkrate =
3732 SAS_PHY_DISABLED;
3733 else if (link_rate ==
3734 MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION)
3735 phy_info->phy->negotiated_linkrate =
3736 SAS_LINK_RATE_FAILED;
3737 else {
3738 phy_info->phy->negotiated_linkrate =
3739 SAS_LINK_RATE_UNKNOWN;
3740 if (ioc->device_missing_delay &&
3741 mptsas_is_end_device(&phy_info->attached)) {
3742 struct scsi_device *sdev;
3743 VirtDevice *vdevice;
3744 u8 channel, id;
3745 id = phy_info->attached.id;
3746 channel = phy_info->attached.channel;
3747 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3748 "Link down for fw_id %d:fw_channel %d\n",
3749 ioc->name, phy_info->attached.id,
3750 phy_info->attached.channel));
3751
3752 shost_for_each_device(sdev, ioc->sh) {
3753 vdevice = sdev->hostdata;
3754 if ((vdevice == NULL) ||
3755 (vdevice->vtarget == NULL))
3756 continue;
3757 if ((vdevice->vtarget->tflags &
3758 MPT_TARGET_FLAGS_RAID_COMPONENT ||
3759 vdevice->vtarget->raidVolume))
3760 continue;
3761 if (vdevice->vtarget->id == id &&
3762 vdevice->vtarget->channel ==
3763 channel)
3764 devtprintk(ioc,
3765 printk(MYIOC_s_DEBUG_FMT
3766 "SDEV OUTSTANDING CMDS"
3767 "%d\n", ioc->name,
3768 sdev->device_busy));
3769 }
3770
3771 }
3772 }
3773 }
3774 out:
3775 mptsas_free_fw_event(ioc, fw_event);
3776}
3777
3778static void
3779mptsas_not_responding_devices(MPT_ADAPTER *ioc)
3780{
3781 struct mptsas_portinfo buffer, *port_info;
3782 struct mptsas_device_info *sas_info;
3783 struct mptsas_devinfo sas_device;
3784 u32 handle;
3785 VirtTarget *vtarget = NULL;
3786 struct mptsas_phyinfo *phy_info;
3787 u8 found_expander;
3788 int retval, retry_count;
3789 unsigned long flags;
3790
3791 mpt_findImVolumes(ioc);
3792
3793 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
3794 if (ioc->ioc_reset_in_progress) {
3795 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3796 "%s: exiting due to a parallel reset \n", ioc->name,
3797 __func__));
3798 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
3799 return;
3800 }
3801 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
3802
3803 /* devices, logical volumes */
3804 mutex_lock(&ioc->sas_device_info_mutex);
3805 redo_device_scan:
3806 list_for_each_entry(sas_info, &ioc->sas_device_info_list, list) {
3807 if (sas_info->is_cached)
3808 continue;
3809 if (!sas_info->is_logical_volume) {
3810 sas_device.handle = 0;
3811 retry_count = 0;
3812retry_page:
3813 retval = mptsas_sas_device_pg0(ioc, &sas_device,
3814 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID
3815 << MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3816 (sas_info->fw.channel << 8) +
3817 sas_info->fw.id);
3818
3819 if (sas_device.handle)
3820 continue;
3821 if (retval == -EBUSY) {
3822 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
3823 if (ioc->ioc_reset_in_progress) {
3824 dfailprintk(ioc,
3825 printk(MYIOC_s_DEBUG_FMT
3826 "%s: exiting due to reset\n",
3827 ioc->name, __func__));
3828 spin_unlock_irqrestore
3829 (&ioc->taskmgmt_lock, flags);
3830 mutex_unlock(&ioc->
3831 sas_device_info_mutex);
3832 return;
3833 }
3834 spin_unlock_irqrestore(&ioc->taskmgmt_lock,
3835 flags);
3836 }
3837
3838 if (retval && (retval != -ENODEV)) {
3839 if (retry_count < 10) {
3840 retry_count++;
3841 goto retry_page;
3842 } else {
3843 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3844 "%s: Config page retry exceeded retry "
3845 "count deleting device 0x%llx\n",
3846 ioc->name, __func__,
3847 sas_info->sas_address));
3848 }
3849 }
3850
3851 /* delete device */
3852 vtarget = mptsas_find_vtarget(ioc,
3853 sas_info->fw.channel, sas_info->fw.id);
3854
3855 if (vtarget)
3856 vtarget->deleted = 1;
3857
3858 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
3859 sas_info->sas_address);
3860
3861 if (phy_info) {
3862 mptsas_del_end_device(ioc, phy_info);
3863 goto redo_device_scan;
3864 }
3865 } else
3866 mptsas_volume_delete(ioc, sas_info->fw.id);
3867 }
3868 mutex_unlock(&ioc->sas_device_info_mutex);
3869
3870 /* expanders */
3871 mutex_lock(&ioc->sas_topology_mutex);
3872 redo_expander_scan:
3873 list_for_each_entry(port_info, &ioc->sas_topology, list) {
3874
3875 if (port_info->phy_info &&
3876 (!(port_info->phy_info[0].identify.device_info &
3877 MPI_SAS_DEVICE_INFO_SMP_TARGET)))
3878 continue;
3879 found_expander = 0;
3880 handle = 0xFFFF;
3881 while (!mptsas_sas_expander_pg0(ioc, &buffer,
3882 (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE <<
3883 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle) &&
3884 !found_expander) {
3885
3886 handle = buffer.phy_info[0].handle;
3887 if (buffer.phy_info[0].identify.sas_address ==
3888 port_info->phy_info[0].identify.sas_address) {
3889 found_expander = 1;
3890 }
3891 kfree(buffer.phy_info);
3892 }
3893
3894 if (!found_expander) {
3895 mptsas_expander_delete(ioc, port_info, 0);
3896 goto redo_expander_scan;
3897 }
3898 }
3899 mutex_unlock(&ioc->sas_topology_mutex);
3900}
3901
3902/**
3903 * mptsas_probe_expanders - adding expanders
3904 * @ioc: Pointer to MPT_ADAPTER structure
3905 *
3906 **/
3907static void
3908mptsas_probe_expanders(MPT_ADAPTER *ioc)
3909{
3910 struct mptsas_portinfo buffer, *port_info;
3911 u32 handle;
3912 int i;
3913
3914 handle = 0xFFFF;
3915 while (!mptsas_sas_expander_pg0(ioc, &buffer,
3916 (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE <<
3917 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle)) {
3918
3919 handle = buffer.phy_info[0].handle;
3920 port_info = mptsas_find_portinfo_by_sas_address(ioc,
3921 buffer.phy_info[0].identify.sas_address);
3922
3923 if (port_info) {
3924 /* refreshing handles */
3925 for (i = 0; i < buffer.num_phys; i++) {
3926 port_info->phy_info[i].handle = handle;
3927 port_info->phy_info[i].identify.handle_parent =
3928 buffer.phy_info[0].identify.handle_parent;
3929 }
3930 mptsas_expander_refresh(ioc, port_info);
3931 kfree(buffer.phy_info);
3932 continue;
3933 }
3934
3935 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
3936 if (!port_info) {
3937 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3938 "%s: exit at line=%d\n", ioc->name,
3939 __func__, __LINE__));
3940 return;
3941 }
3942 port_info->num_phys = buffer.num_phys;
3943 port_info->phy_info = buffer.phy_info;
3944 for (i = 0; i < port_info->num_phys; i++)
3945 port_info->phy_info[i].portinfo = port_info;
3946 mutex_lock(&ioc->sas_topology_mutex);
3947 list_add_tail(&port_info->list, &ioc->sas_topology);
3948 mutex_unlock(&ioc->sas_topology_mutex);
3949 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, "
3950 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3951 (unsigned long long)buffer.phy_info[0].identify.sas_address);
3952 mptsas_expander_refresh(ioc, port_info);
3953 }
3954}
3955
3956static void
3957mptsas_probe_devices(MPT_ADAPTER *ioc)
3958{
3959 u16 handle;
3960 struct mptsas_devinfo sas_device;
3961 struct mptsas_phyinfo *phy_info;
3962
3963 handle = 0xFFFF;
3964 while (!(mptsas_sas_device_pg0(ioc, &sas_device,
3965 MPI_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
3966
3967 handle = sas_device.handle;
3968
3969 if ((sas_device.device_info &
3970 (MPI_SAS_DEVICE_INFO_SSP_TARGET |
3971 MPI_SAS_DEVICE_INFO_STP_TARGET |
3972 MPI_SAS_DEVICE_INFO_SATA_DEVICE)) == 0)
3973 continue;
3974
3975 /* If there is no FW B_T mapping for this device then continue
3976 * */
3977 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
3978 || !(sas_device.flags &
3979 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
3980 continue;
3981
3982 phy_info = mptsas_refreshing_device_handles(ioc, &sas_device);
3983 if (!phy_info)
3984 continue;
3985
3986 if (mptsas_get_rphy(phy_info))
3987 continue;
3988
3989 mptsas_add_end_device(ioc, phy_info);
3990 }
3991}
3992
3993/**
3994 * mptsas_scan_sas_topology -
3995 * @ioc: Pointer to MPT_ADAPTER structure
3996 * @sas_address:
3997 *
3998 **/
3999static void
4000mptsas_scan_sas_topology(MPT_ADAPTER *ioc)
4001{
4002 struct scsi_device *sdev;
4003 int i;
4004
4005 mptsas_probe_hba_phys(ioc);
4006 mptsas_probe_expanders(ioc);
4007 mptsas_probe_devices(ioc);
4008
4009 /*
4010 Reporting RAID volumes.
4011 */
4012 if (!ioc->ir_firmware || !ioc->raid_data.pIocPg2 ||
4013 !ioc->raid_data.pIocPg2->NumActiveVolumes)
4014 return;
4015 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
4016 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL,
4017 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID, 0);
4018 if (sdev) {
4019 scsi_device_put(sdev);
4020 continue;
4021 }
4022 printk(MYIOC_s_INFO_FMT "attaching raid volume, channel %d, "
4023 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL,
4024 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID);
4025 scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL,
4026 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID, 0);
4027 }
4028}
4029
4030
4031static void
4032mptsas_handle_queue_full_event(struct fw_event_work *fw_event)
4033{
4034 MPT_ADAPTER *ioc;
4035 EventDataQueueFull_t *qfull_data;
4036 struct mptsas_device_info *sas_info;
4037 struct scsi_device *sdev;
4038 int depth;
4039 int id = -1;
4040 int channel = -1;
4041 int fw_id, fw_channel;
4042 u16 current_depth;
4043
4044
4045 ioc = fw_event->ioc;
4046 qfull_data = (EventDataQueueFull_t *)fw_event->event_data;
4047 fw_id = qfull_data->TargetID;
4048 fw_channel = qfull_data->Bus;
4049 current_depth = le16_to_cpu(qfull_data->CurrentDepth);
4050
4051 /* if hidden raid component, look for the volume id */
4052 mutex_lock(&ioc->sas_device_info_mutex);
4053 if (mptscsih_is_phys_disk(ioc, fw_channel, fw_id)) {
4054 list_for_each_entry(sas_info, &ioc->sas_device_info_list,
4055 list) {
4056 if (sas_info->is_cached ||
4057 sas_info->is_logical_volume)
4058 continue;
4059 if (sas_info->is_hidden_raid_component &&
4060 (sas_info->fw.channel == fw_channel &&
4061 sas_info->fw.id == fw_id)) {
4062 id = sas_info->volume_id;
4063 channel = MPTSAS_RAID_CHANNEL;
4064 goto out;
4065 }
4066 }
4067 } else {
4068 list_for_each_entry(sas_info, &ioc->sas_device_info_list,
4069 list) {
4070 if (sas_info->is_cached ||
4071 sas_info->is_hidden_raid_component ||
4072 sas_info->is_logical_volume)
4073 continue;
4074 if (sas_info->fw.channel == fw_channel &&
4075 sas_info->fw.id == fw_id) {
4076 id = sas_info->os.id;
4077 channel = sas_info->os.channel;
4078 goto out;
4079 }
4080 }
4081
4082 }
4083
4084 out:
4085 mutex_unlock(&ioc->sas_device_info_mutex);
4086
4087 if (id != -1) {
4088 shost_for_each_device(sdev, ioc->sh) {
4089 if (sdev->id == id && sdev->channel == channel) {
4090 if (current_depth > sdev->queue_depth) {
4091 sdev_printk(KERN_INFO, sdev,
4092 "strange observation, the queue "
4093 "depth is (%d) meanwhile fw queue "
4094 "depth (%d)\n", sdev->queue_depth,
4095 current_depth);
4096 continue;
4097 }
4098 depth = scsi_track_queue_full(sdev,
4099 current_depth - 1);
4100 if (depth > 0)
4101 sdev_printk(KERN_INFO, sdev,
4102 "Queue depth reduced to (%d)\n",
4103 depth);
4104 else if (depth < 0)
4105 sdev_printk(KERN_INFO, sdev,
4106 "Tagged Command Queueing is being "
4107 "disabled\n");
4108 else if (depth == 0)
4109 sdev_printk(KERN_INFO, sdev,
4110 "Queue depth not changed yet\n");
4111 }
4112 }
4113 }
4114
4115 mptsas_free_fw_event(ioc, fw_event);
4116}
4117
4118
4119static struct mptsas_phyinfo *
4120mptsas_find_phyinfo_by_sas_address(MPT_ADAPTER *ioc, u64 sas_address)
4121{
4122 struct mptsas_portinfo *port_info;
4123 struct mptsas_phyinfo *phy_info = NULL;
4124 int i;
4125
4126 mutex_lock(&ioc->sas_topology_mutex);
4127 list_for_each_entry(port_info, &ioc->sas_topology, list) {
4128 for (i = 0; i < port_info->num_phys; i++) {
4129 if (!mptsas_is_end_device(
4130 &port_info->phy_info[i].attached))
4131 continue;
4132 if (port_info->phy_info[i].attached.sas_address
4133 != sas_address)
4134 continue;
4135 phy_info = &port_info->phy_info[i];
4136 break;
4137 }
4138 }
4139 mutex_unlock(&ioc->sas_topology_mutex);
4140 return phy_info;
4141}
4142
4143/**
4144 * mptsas_find_phyinfo_by_phys_disk_num -
4145 * @ioc: Pointer to MPT_ADAPTER structure
4146 * @phys_disk_num:
4147 * @channel:
4148 * @id:
4149 *
4150 **/
4151static struct mptsas_phyinfo *
4152mptsas_find_phyinfo_by_phys_disk_num(MPT_ADAPTER *ioc, u8 phys_disk_num,
4153 u8 channel, u8 id)
4154{
4155 struct mptsas_phyinfo *phy_info = NULL;
4156 struct mptsas_portinfo *port_info;
4157 RaidPhysDiskPage1_t *phys_disk = NULL;
4158 int num_paths;
4159 u64 sas_address = 0;
4160 int i;
4161
4162 phy_info = NULL;
4163 if (!ioc->raid_data.pIocPg3)
4164 return NULL;
4165 /* dual port support */
4166 num_paths = mpt_raid_phys_disk_get_num_paths(ioc, phys_disk_num);
4167 if (!num_paths)
4168 goto out;
4169 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
4170 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
4171 if (!phys_disk)
4172 goto out;
4173 mpt_raid_phys_disk_pg1(ioc, phys_disk_num, phys_disk);
4174 for (i = 0; i < num_paths; i++) {
4175 if ((phys_disk->Path[i].Flags & 1) != 0)
4176 /* entry no longer valid */
4177 continue;
4178 if ((id == phys_disk->Path[i].PhysDiskID) &&
4179 (channel == phys_disk->Path[i].PhysDiskBus)) {
4180 memcpy(&sas_address, &phys_disk->Path[i].WWID,
4181 sizeof(u64));
4182 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4183 sas_address);
4184 goto out;
4185 }
4186 }
4187
4188 out:
4189 kfree(phys_disk);
4190 if (phy_info)
4191 return phy_info;
4192
4193 /*
4194 * Extra code to handle RAID0 case, where the sas_address is not updated
4195 * in phys_disk_page_1 when hotswapped
4196 */
4197 mutex_lock(&ioc->sas_topology_mutex);
4198 list_for_each_entry(port_info, &ioc->sas_topology, list) {
4199 for (i = 0; i < port_info->num_phys && !phy_info; i++) {
4200 if (!mptsas_is_end_device(
4201 &port_info->phy_info[i].attached))
4202 continue;
4203 if (port_info->phy_info[i].attached.phys_disk_num == ~0)
4204 continue;
4205 if ((port_info->phy_info[i].attached.phys_disk_num ==
4206 phys_disk_num) &&
4207 (port_info->phy_info[i].attached.id == id) &&
4208 (port_info->phy_info[i].attached.channel ==
4209 channel))
4210 phy_info = &port_info->phy_info[i];
4211 }
4212 }
4213 mutex_unlock(&ioc->sas_topology_mutex);
4214 return phy_info;
4215}
4216
4217static void
4218mptsas_reprobe_lun(struct scsi_device *sdev, void *data)
4219{
4220 int rc;
4221
4222 sdev->no_uld_attach = data ? 1 : 0;
4223 rc = scsi_device_reprobe(sdev);
4224}
4225
4226static void
4227mptsas_reprobe_target(struct scsi_target *starget, int uld_attach)
4228{
4229 starget_for_each_device(starget, uld_attach ? (void *)1 : NULL,
4230 mptsas_reprobe_lun);
4231}
4232
4233static void
4234mptsas_adding_inactive_raid_components(MPT_ADAPTER *ioc, u8 channel, u8 id)
4235{
4236 CONFIGPARMS cfg;
4237 ConfigPageHeader_t hdr;
4238 dma_addr_t dma_handle;
4239 pRaidVolumePage0_t buffer = NULL;
4240 RaidPhysDiskPage0_t phys_disk;
4241 int i;
4242 struct mptsas_phyinfo *phy_info;
4243 struct mptsas_devinfo sas_device;
4244
4245 memset(&cfg, 0 , sizeof(CONFIGPARMS));
4246 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
4247 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME;
4248 cfg.pageAddr = (channel << 8) + id;
4249 cfg.cfghdr.hdr = &hdr;
4250 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
4251 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
4252
4253 if (mpt_config(ioc, &cfg) != 0)
4254 goto out;
4255
4256 if (!hdr.PageLength)
4257 goto out;
4258
4259 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
4260 &dma_handle);
4261
4262 if (!buffer)
4263 goto out;
4264
4265 cfg.physAddr = dma_handle;
4266 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
4267
4268 if (mpt_config(ioc, &cfg) != 0)
4269 goto out;
4270
4271 if (!(buffer->VolumeStatus.Flags &
4272 MPI_RAIDVOL0_STATUS_FLAG_VOLUME_INACTIVE))
4273 goto out;
4274
4275 if (!buffer->NumPhysDisks)
4276 goto out;
4277
4278 for (i = 0; i < buffer->NumPhysDisks; i++) {
4279
4280 if (mpt_raid_phys_disk_pg0(ioc,
4281 buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0)
4282 continue;
4283
4284 if (mptsas_sas_device_pg0(ioc, &sas_device,
4285 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4286 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4287 (phys_disk.PhysDiskBus << 8) +
4288 phys_disk.PhysDiskID))
4289 continue;
4290
4291 /* If there is no FW B_T mapping for this device then continue
4292 * */
4293 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4294 || !(sas_device.flags &
4295 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4296 continue;
4297
4298
4299 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4300 sas_device.sas_address);
4301 mptsas_add_end_device(ioc, phy_info);
4302 }
4303
4304 out:
4305 if (buffer)
4306 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
4307 dma_handle);
4308}
4309/*
4310 * Work queue thread to handle SAS hotplug events
4311 */
4312static void
4313mptsas_hotplug_work(MPT_ADAPTER *ioc, struct fw_event_work *fw_event,
4314 struct mptsas_hotplug_event *hot_plug_info)
4315{
4316 struct mptsas_phyinfo *phy_info;
4317 struct scsi_target * starget;
4318 struct mptsas_devinfo sas_device;
4319 VirtTarget *vtarget;
4320 int i;
4321 struct mptsas_portinfo *port_info;
4322
4323 switch (hot_plug_info->event_type) {
4324
4325 case MPTSAS_ADD_PHYSDISK:
4326
4327 if (!ioc->raid_data.pIocPg2)
4328 break;
4329
4330 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
4331 if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID ==
4332 hot_plug_info->id) {
4333 printk(MYIOC_s_WARN_FMT "firmware bug: unable "
4334 "to add hidden disk - target_id matchs "
4335 "volume_id\n", ioc->name);
4336 mptsas_free_fw_event(ioc, fw_event);
4337 return;
4338 }
4339 }
4340 mpt_findImVolumes(ioc);
4341
4342 case MPTSAS_ADD_DEVICE:
4343 memset(&sas_device, 0, sizeof(struct mptsas_devinfo));
4344 mptsas_sas_device_pg0(ioc, &sas_device,
4345 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4346 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4347 (hot_plug_info->channel << 8) +
4348 hot_plug_info->id);
4349
4350 /* If there is no FW B_T mapping for this device then break
4351 * */
4352 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4353 || !(sas_device.flags &
4354 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4355 break;
4356
4357 if (!sas_device.handle)
4358 return;
4359
4360 phy_info = mptsas_refreshing_device_handles(ioc, &sas_device);
4361 /* Only For SATA Device ADD */
4362 if (!phy_info && (sas_device.device_info &
4363 MPI_SAS_DEVICE_INFO_SATA_DEVICE)) {
4364 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4365 "%s %d SATA HOT PLUG: "
4366 "parent handle of device %x\n", ioc->name,
4367 __func__, __LINE__, sas_device.handle_parent));
4368 port_info = mptsas_find_portinfo_by_handle(ioc,
4369 sas_device.handle_parent);
4370
4371 if (port_info == ioc->hba_port_info)
4372 mptsas_probe_hba_phys(ioc);
4373 else if (port_info)
4374 mptsas_expander_refresh(ioc, port_info);
4375 else {
4376 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4377 "%s %d port info is NULL\n",
4378 ioc->name, __func__, __LINE__));
4379 break;
4380 }
4381 phy_info = mptsas_refreshing_device_handles
4382 (ioc, &sas_device);
4383 }
4384
4385 if (!phy_info) {
4386 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4387 "%s %d phy info is NULL\n",
4388 ioc->name, __func__, __LINE__));
4389 break;
4390 }
4391
4392 if (mptsas_get_rphy(phy_info))
4393 break;
4394
4395 mptsas_add_end_device(ioc, phy_info);
4396 break;
4397
4398 case MPTSAS_DEL_DEVICE:
4399 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4400 hot_plug_info->sas_address);
4401 mptsas_del_end_device(ioc, phy_info);
4402 break;
4403
4404 case MPTSAS_DEL_PHYSDISK:
4405
4406 mpt_findImVolumes(ioc);
4407
4408 phy_info = mptsas_find_phyinfo_by_phys_disk_num(
4409 ioc, hot_plug_info->phys_disk_num,
4410 hot_plug_info->channel,
4411 hot_plug_info->id);
4412 mptsas_del_end_device(ioc, phy_info);
4413 break;
4414
4415 case MPTSAS_ADD_PHYSDISK_REPROBE:
4416
4417 if (mptsas_sas_device_pg0(ioc, &sas_device,
4418 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4419 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4420 (hot_plug_info->channel << 8) + hot_plug_info->id)) {
4421 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4422 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4423 __func__, hot_plug_info->id, __LINE__));
4424 break;
4425 }
4426
4427 /* If there is no FW B_T mapping for this device then break
4428 * */
4429 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4430 || !(sas_device.flags &
4431 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4432 break;
4433
4434 phy_info = mptsas_find_phyinfo_by_sas_address(
4435 ioc, sas_device.sas_address);
4436
4437 if (!phy_info) {
4438 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4439 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4440 __func__, hot_plug_info->id, __LINE__));
4441 break;
4442 }
4443
4444 starget = mptsas_get_starget(phy_info);
4445 if (!starget) {
4446 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4447 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4448 __func__, hot_plug_info->id, __LINE__));
4449 break;
4450 }
4451
4452 vtarget = starget->hostdata;
4453 if (!vtarget) {
4454 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4455 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4456 __func__, hot_plug_info->id, __LINE__));
4457 break;
4458 }
4459
4460 mpt_findImVolumes(ioc);
4461
4462 starget_printk(KERN_INFO, starget, MYIOC_s_FMT "RAID Hidding: "
4463 "fw_channel=%d, fw_id=%d, physdsk %d, sas_addr 0x%llx\n",
4464 ioc->name, hot_plug_info->channel, hot_plug_info->id,
4465 hot_plug_info->phys_disk_num, (unsigned long long)
4466 sas_device.sas_address);
4467
4468 vtarget->id = hot_plug_info->phys_disk_num;
4469 vtarget->tflags |= MPT_TARGET_FLAGS_RAID_COMPONENT;
4470 phy_info->attached.phys_disk_num = hot_plug_info->phys_disk_num;
4471 mptsas_reprobe_target(starget, 1);
4472 break;
4473
4474 case MPTSAS_DEL_PHYSDISK_REPROBE:
4475
4476 if (mptsas_sas_device_pg0(ioc, &sas_device,
4477 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4478 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4479 (hot_plug_info->channel << 8) + hot_plug_info->id)) {
4480 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4481 "%s: fw_id=%d exit at line=%d\n",
4482 ioc->name, __func__,
4483 hot_plug_info->id, __LINE__));
4484 break;
4485 }
4486
4487 /* If there is no FW B_T mapping for this device then break
4488 * */
4489 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4490 || !(sas_device.flags &
4491 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4492 break;
4493
4494 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4495 sas_device.sas_address);
4496 if (!phy_info) {
4497 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4498 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4499 __func__, hot_plug_info->id, __LINE__));
4500 break;
4501 }
4502
4503 starget = mptsas_get_starget(phy_info);
4504 if (!starget) {
4505 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4506 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4507 __func__, hot_plug_info->id, __LINE__));
4508 break;
4509 }
4510
4511 vtarget = starget->hostdata;
4512 if (!vtarget) {
4513 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4514 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4515 __func__, hot_plug_info->id, __LINE__));
4516 break;
4517 }
4518
4519 if (!(vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)) {
4520 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4521 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4522 __func__, hot_plug_info->id, __LINE__));
4523 break;
4524 }
4525
4526 mpt_findImVolumes(ioc);
4527
4528 starget_printk(KERN_INFO, starget, MYIOC_s_FMT "RAID Exposing:"
4529 " fw_channel=%d, fw_id=%d, physdsk %d, sas_addr 0x%llx\n",
4530 ioc->name, hot_plug_info->channel, hot_plug_info->id,
4531 hot_plug_info->phys_disk_num, (unsigned long long)
4532 sas_device.sas_address);
4533
4534 vtarget->tflags &= ~MPT_TARGET_FLAGS_RAID_COMPONENT;
4535 vtarget->id = hot_plug_info->id;
4536 phy_info->attached.phys_disk_num = ~0;
4537 mptsas_reprobe_target(starget, 0);
4538 mptsas_add_device_component_by_fw(ioc,
4539 hot_plug_info->channel, hot_plug_info->id);
4540 break;
4541
4542 case MPTSAS_ADD_RAID:
4543
4544 mpt_findImVolumes(ioc);
4545 printk(MYIOC_s_INFO_FMT "attaching raid volume, channel %d, "
4546 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL,
4547 hot_plug_info->id);
4548 scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL,
4549 hot_plug_info->id, 0);
4550 break;
4551
4552 case MPTSAS_DEL_RAID:
4553
4554 mpt_findImVolumes(ioc);
4555 printk(MYIOC_s_INFO_FMT "removing raid volume, channel %d, "
4556 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL,
4557 hot_plug_info->id);
4558 scsi_remove_device(hot_plug_info->sdev);
4559 scsi_device_put(hot_plug_info->sdev);
4560 break;
4561
4562 case MPTSAS_ADD_INACTIVE_VOLUME:
4563
4564 mpt_findImVolumes(ioc);
4565 mptsas_adding_inactive_raid_components(ioc,
4566 hot_plug_info->channel, hot_plug_info->id);
4567 break;
4568
4569 default:
4570 break;
4571 }
4572
4573 mptsas_free_fw_event(ioc, fw_event);
4574}
4575
4576static void
4577mptsas_send_sas_event(struct fw_event_work *fw_event)
4578{
4579 MPT_ADAPTER *ioc;
4580 struct mptsas_hotplug_event hot_plug_info;
4581 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data;
4582 u32 device_info;
4583 u64 sas_address;
4584
4585 ioc = fw_event->ioc;
4586 sas_event_data = (EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *)
4587 fw_event->event_data;
4588 device_info = le32_to_cpu(sas_event_data->DeviceInfo);
4589
4590 if ((device_info &
4591 (MPI_SAS_DEVICE_INFO_SSP_TARGET |
4592 MPI_SAS_DEVICE_INFO_STP_TARGET |
4593 MPI_SAS_DEVICE_INFO_SATA_DEVICE)) == 0) {
4594 mptsas_free_fw_event(ioc, fw_event);
4595 return;
4596 }
4597
4598 if (sas_event_data->ReasonCode ==
4599 MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED) {
4600 mptbase_sas_persist_operation(ioc,
4601 MPI_SAS_OP_CLEAR_NOT_PRESENT);
4602 mptsas_free_fw_event(ioc, fw_event);
4603 return;
4604 }
4605
4606 switch (sas_event_data->ReasonCode) {
4607 case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING:
4608 case MPI_EVENT_SAS_DEV_STAT_RC_ADDED:
4609 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
4610 hot_plug_info.handle = le16_to_cpu(sas_event_data->DevHandle);
4611 hot_plug_info.channel = sas_event_data->Bus;
4612 hot_plug_info.id = sas_event_data->TargetID;
4613 hot_plug_info.phy_id = sas_event_data->PhyNum;
4614 memcpy(&sas_address, &sas_event_data->SASAddress,
4615 sizeof(u64));
4616 hot_plug_info.sas_address = le64_to_cpu(sas_address);
4617 hot_plug_info.device_info = device_info;
4618 if (sas_event_data->ReasonCode &
4619 MPI_EVENT_SAS_DEV_STAT_RC_ADDED)
4620 hot_plug_info.event_type = MPTSAS_ADD_DEVICE;
4621 else
4622 hot_plug_info.event_type = MPTSAS_DEL_DEVICE;
4623 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
4624 break;
4625
4626 case MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED:
4627 mptbase_sas_persist_operation(ioc,
4628 MPI_SAS_OP_CLEAR_NOT_PRESENT);
4629 mptsas_free_fw_event(ioc, fw_event);
4630 break;
4631
4632 case MPI_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
4633 /* TODO */
4634 case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
4635 /* TODO */
4636 default:
4637 mptsas_free_fw_event(ioc, fw_event);
4638 break;
4639 }
4640}
4641
4642static void
4643mptsas_send_raid_event(struct fw_event_work *fw_event)
4644{
4645 MPT_ADAPTER *ioc;
4646 EVENT_DATA_RAID *raid_event_data;
4647 struct mptsas_hotplug_event hot_plug_info;
4648 int status;
4649 int state;
4650 struct scsi_device *sdev = NULL;
4651 VirtDevice *vdevice = NULL;
4652 RaidPhysDiskPage0_t phys_disk;
4653
4654 ioc = fw_event->ioc;
4655 raid_event_data = (EVENT_DATA_RAID *)fw_event->event_data;
4656 status = le32_to_cpu(raid_event_data->SettingsStatus);
4657 state = (status >> 8) & 0xff;
4658
4659 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
4660 hot_plug_info.id = raid_event_data->VolumeID;
4661 hot_plug_info.channel = raid_event_data->VolumeBus;
4662 hot_plug_info.phys_disk_num = raid_event_data->PhysDiskNum;
4663
4664 if (raid_event_data->ReasonCode == MPI_EVENT_RAID_RC_VOLUME_DELETED ||
4665 raid_event_data->ReasonCode == MPI_EVENT_RAID_RC_VOLUME_CREATED ||
4666 raid_event_data->ReasonCode ==
4667 MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED) {
4668 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL,
4669 hot_plug_info.id, 0);
4670 hot_plug_info.sdev = sdev;
4671 if (sdev)
4672 vdevice = sdev->hostdata;
4673 }
4674
4675 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Entering %s: "
4676 "ReasonCode=%02x\n", ioc->name, __func__,
4677 raid_event_data->ReasonCode));
4678
4679 switch (raid_event_data->ReasonCode) {
4680 case MPI_EVENT_RAID_RC_PHYSDISK_DELETED:
4681 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK_REPROBE;
4682 break;
4683 case MPI_EVENT_RAID_RC_PHYSDISK_CREATED:
4684 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK_REPROBE;
4685 break;
4686 case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED:
4687 switch (state) {
4688 case MPI_PD_STATE_ONLINE:
4689 case MPI_PD_STATE_NOT_COMPATIBLE:
4690 mpt_raid_phys_disk_pg0(ioc,
4691 raid_event_data->PhysDiskNum, &phys_disk);
4692 hot_plug_info.id = phys_disk.PhysDiskID;
4693 hot_plug_info.channel = phys_disk.PhysDiskBus;
4694 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK;
4695 break;
4696 case MPI_PD_STATE_FAILED:
4697 case MPI_PD_STATE_MISSING:
4698 case MPI_PD_STATE_OFFLINE_AT_HOST_REQUEST:
4699 case MPI_PD_STATE_FAILED_AT_HOST_REQUEST:
4700 case MPI_PD_STATE_OFFLINE_FOR_ANOTHER_REASON:
4701 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK;
4702 break;
4703 default:
4704 break;
4705 }
4706 break;
4707 case MPI_EVENT_RAID_RC_VOLUME_DELETED:
4708 if (!sdev)
4709 break;
4710 vdevice->vtarget->deleted = 1; /* block IO */
4711 hot_plug_info.event_type = MPTSAS_DEL_RAID;
4712 break;
4713 case MPI_EVENT_RAID_RC_VOLUME_CREATED:
4714 if (sdev) {
4715 scsi_device_put(sdev);
4716 break;
4717 }
4718 hot_plug_info.event_type = MPTSAS_ADD_RAID;
4719 break;
4720 case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED:
4721 if (!(status & MPI_RAIDVOL0_STATUS_FLAG_ENABLED)) {
4722 if (!sdev)
4723 break;
4724 vdevice->vtarget->deleted = 1; /* block IO */
4725 hot_plug_info.event_type = MPTSAS_DEL_RAID;
4726 break;
4727 }
4728 switch (state) {
4729 case MPI_RAIDVOL0_STATUS_STATE_FAILED:
4730 case MPI_RAIDVOL0_STATUS_STATE_MISSING:
4731 if (!sdev)
4732 break;
4733 vdevice->vtarget->deleted = 1; /* block IO */
4734 hot_plug_info.event_type = MPTSAS_DEL_RAID;
4735 break;
4736 case MPI_RAIDVOL0_STATUS_STATE_OPTIMAL:
4737 case MPI_RAIDVOL0_STATUS_STATE_DEGRADED:
4738 if (sdev) {
4739 scsi_device_put(sdev);
4740 break;
4741 }
4742 hot_plug_info.event_type = MPTSAS_ADD_RAID;
4743 break;
4744 default:
4745 break;
4746 }
4747 break;
4748 default:
4749 break;
4750 }
4751
4752 if (hot_plug_info.event_type != MPTSAS_IGNORE_EVENT)
4753 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
4754 else
4755 mptsas_free_fw_event(ioc, fw_event);
4756}
4757
4758/**
4759 * mptsas_issue_tm - send mptsas internal tm request
4760 * @ioc: Pointer to MPT_ADAPTER structure
4761 * @type: Task Management type
4762 * @channel: channel number for task management
4763 * @id: Logical Target ID for reset (if appropriate)
4764 * @lun: Logical unit for reset (if appropriate)
4765 * @task_context: Context for the task to be aborted
4766 * @timeout: timeout for task management control
4767 *
4768 * return 0 on success and -1 on failure:
4769 *
4770 */
4771static int
4772mptsas_issue_tm(MPT_ADAPTER *ioc, u8 type, u8 channel, u8 id, u64 lun,
4773 int task_context, ulong timeout, u8 *issue_reset)
4774{
4775 MPT_FRAME_HDR *mf;
4776 SCSITaskMgmt_t *pScsiTm;
4777 int retval;
4778 unsigned long timeleft;
4779
4780 *issue_reset = 0;
4781 mf = mpt_get_msg_frame(mptsasDeviceResetCtx, ioc);
4782 if (mf == NULL) {
4783 retval = -1; /* return failure */
4784 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT "TaskMgmt request: no "
4785 "msg frames!!\n", ioc->name));
4786 goto out;
4787 }
4788
4789 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request: mr = %p, "
4790 "task_type = 0x%02X,\n\t timeout = %ld, fw_channel = %d, "
4791 "fw_id = %d, lun = %lld,\n\t task_context = 0x%x\n", ioc->name, mf,
4792 type, timeout, channel, id, (unsigned long long)lun,
4793 task_context));
4794
4795 pScsiTm = (SCSITaskMgmt_t *) mf;
4796 memset(pScsiTm, 0, sizeof(SCSITaskMgmt_t));
4797 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
4798 pScsiTm->TaskType = type;
4799 pScsiTm->MsgFlags = 0;
4800 pScsiTm->TargetID = id;
4801 pScsiTm->Bus = channel;
4802 pScsiTm->ChainOffset = 0;
4803 pScsiTm->Reserved = 0;
4804 pScsiTm->Reserved1 = 0;
4805 pScsiTm->TaskMsgContext = task_context;
4806 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
4807
4808 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
4809 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
4810 retval = 0;
4811 mpt_put_msg_frame_hi_pri(mptsasDeviceResetCtx, ioc, mf);
4812
4813 /* Now wait for the command to complete */
4814 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
4815 timeout*HZ);
4816 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
4817 retval = -1; /* return failure */
4818 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
4819 "TaskMgmt request: TIMED OUT!(mr=%p)\n", ioc->name, mf));
4820 mpt_free_msg_frame(ioc, mf);
4821 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
4822 goto out;
4823 *issue_reset = 1;
4824 goto out;
4825 }
4826
4827 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
4828 retval = -1; /* return failure */
4829 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4830 "TaskMgmt request: failed with no reply\n", ioc->name));
4831 goto out;
4832 }
4833
4834 out:
4835 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
4836 return retval;
4837}
4838
4839/**
4840 * mptsas_broadcast_primative_work - Handle broadcast primitives
4841 * @work: work queue payload containing info describing the event
4842 *
4843 * this will be handled in workqueue context.
4844 */
4845static void
4846mptsas_broadcast_primative_work(struct fw_event_work *fw_event)
4847{
4848 MPT_ADAPTER *ioc = fw_event->ioc;
4849 MPT_FRAME_HDR *mf;
4850 VirtDevice *vdevice;
4851 int ii;
4852 struct scsi_cmnd *sc;
4853 SCSITaskMgmtReply_t *pScsiTmReply;
4854 u8 issue_reset;
4855 int task_context;
4856 u8 channel, id;
4857 int lun;
4858 u32 termination_count;
4859 u32 query_count;
4860
4861 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4862 "%s - enter\n", ioc->name, __func__));
4863
4864 mutex_lock(&ioc->taskmgmt_cmds.mutex);
4865 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
4866 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
4867 mptsas_requeue_fw_event(ioc, fw_event, 1000);
4868 return;
4869 }
4870
4871 issue_reset = 0;
4872 termination_count = 0;
4873 query_count = 0;
4874 mpt_findImVolumes(ioc);
4875 pScsiTmReply = (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply;
4876
4877 for (ii = 0; ii < ioc->req_depth; ii++) {
4878 if (ioc->fw_events_off)
4879 goto out;
4880 sc = mptscsih_get_scsi_lookup(ioc, ii);
4881 if (!sc)
4882 continue;
4883 mf = MPT_INDEX_2_MFPTR(ioc, ii);
4884 if (!mf)
4885 continue;
4886 task_context = mf->u.frame.hwhdr.msgctxu.MsgContext;
4887 vdevice = sc->device->hostdata;
4888 if (!vdevice || !vdevice->vtarget)
4889 continue;
4890 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
4891 continue; /* skip hidden raid components */
4892 if (vdevice->vtarget->raidVolume)
4893 continue; /* skip hidden raid components */
4894 channel = vdevice->vtarget->channel;
4895 id = vdevice->vtarget->id;
4896 lun = vdevice->lun;
4897 if (mptsas_issue_tm(ioc, MPI_SCSITASKMGMT_TASKTYPE_QUERY_TASK,
4898 channel, id, (u64)lun, task_context, 30, &issue_reset))
4899 goto out;
4900 query_count++;
4901 termination_count +=
4902 le32_to_cpu(pScsiTmReply->TerminationCount);
4903 if ((pScsiTmReply->IOCStatus == MPI_IOCSTATUS_SUCCESS) &&
4904 (pScsiTmReply->ResponseCode ==
4905 MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED ||
4906 pScsiTmReply->ResponseCode ==
4907 MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC))
4908 continue;
4909 if (mptsas_issue_tm(ioc,
4910 MPI_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET,
4911 channel, id, (u64)lun, 0, 30, &issue_reset))
4912 goto out;
4913 termination_count +=
4914 le32_to_cpu(pScsiTmReply->TerminationCount);
4915 }
4916
4917 out:
4918 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4919 "%s - exit, query_count = %d termination_count = %d\n",
4920 ioc->name, __func__, query_count, termination_count));
4921
4922 ioc->broadcast_aen_busy = 0;
4923 mpt_clear_taskmgmt_in_progress_flag(ioc);
4924 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
4925
4926 if (issue_reset) {
4927 printk(MYIOC_s_WARN_FMT
4928 "Issuing Reset from %s!! doorbell=0x%08x\n",
4929 ioc->name, __func__, mpt_GetIocState(ioc, 0));
4930 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
4931 }
4932 mptsas_free_fw_event(ioc, fw_event);
4933}
4934
4935/*
4936 * mptsas_send_ir2_event - handle exposing hidden disk when
4937 * an inactive raid volume is added
4938 *
4939 * @ioc: Pointer to MPT_ADAPTER structure
4940 * @ir2_data
4941 *
4942 */
4943static void
4944mptsas_send_ir2_event(struct fw_event_work *fw_event)
4945{
4946 MPT_ADAPTER *ioc;
4947 struct mptsas_hotplug_event hot_plug_info;
4948 MPI_EVENT_DATA_IR2 *ir2_data;
4949 u8 reasonCode;
4950 RaidPhysDiskPage0_t phys_disk;
4951
4952 ioc = fw_event->ioc;
4953 ir2_data = (MPI_EVENT_DATA_IR2 *)fw_event->event_data;
4954 reasonCode = ir2_data->ReasonCode;
4955
4956 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Entering %s: "
4957 "ReasonCode=%02x\n", ioc->name, __func__, reasonCode));
4958
4959 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
4960 hot_plug_info.id = ir2_data->TargetID;
4961 hot_plug_info.channel = ir2_data->Bus;
4962 switch (reasonCode) {
4963 case MPI_EVENT_IR2_RC_FOREIGN_CFG_DETECTED:
4964 hot_plug_info.event_type = MPTSAS_ADD_INACTIVE_VOLUME;
4965 break;
4966 case MPI_EVENT_IR2_RC_DUAL_PORT_REMOVED:
4967 hot_plug_info.phys_disk_num = ir2_data->PhysDiskNum;
4968 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK;
4969 break;
4970 case MPI_EVENT_IR2_RC_DUAL_PORT_ADDED:
4971 hot_plug_info.phys_disk_num = ir2_data->PhysDiskNum;
4972 mpt_raid_phys_disk_pg0(ioc,
4973 ir2_data->PhysDiskNum, &phys_disk);
4974 hot_plug_info.id = phys_disk.PhysDiskID;
4975 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK;
4976 break;
4977 default:
4978 mptsas_free_fw_event(ioc, fw_event);
4979 return;
4980 }
4981 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
4982}
4983
4984static int
4985mptsas_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *reply)
4986{
4987 u32 event = le32_to_cpu(reply->Event);
4988 int sz, event_data_sz;
4989 struct fw_event_work *fw_event;
4990 unsigned long delay;
4991
4992 if (ioc->bus_type != SAS)
4993 return 0;
4994
4995 /* events turned off due to host reset or driver unloading */
4996 if (ioc->fw_events_off)
4997 return 0;
4998
4999 delay = msecs_to_jiffies(1);
5000 switch (event) {
5001 case MPI_EVENT_SAS_BROADCAST_PRIMITIVE:
5002 {
5003 EVENT_DATA_SAS_BROADCAST_PRIMITIVE *broadcast_event_data =
5004 (EVENT_DATA_SAS_BROADCAST_PRIMITIVE *)reply->Data;
5005 if (broadcast_event_data->Primitive !=
5006 MPI_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT)
5007 return 0;
5008 if (ioc->broadcast_aen_busy)
5009 return 0;
5010 ioc->broadcast_aen_busy = 1;
5011 break;
5012 }
5013 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
5014 {
5015 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data =
5016 (EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *)reply->Data;
5017 u16 ioc_stat;
5018 ioc_stat = le16_to_cpu(reply->IOCStatus);
5019
5020 if (sas_event_data->ReasonCode ==
5021 MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING) {
5022 mptsas_target_reset_queue(ioc, sas_event_data);
5023 return 0;
5024 }
5025 if (sas_event_data->ReasonCode ==
5026 MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET &&
5027 ioc->device_missing_delay &&
5028 (ioc_stat & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)) {
5029 VirtTarget *vtarget = NULL;
5030 u8 id, channel;
5031
5032 id = sas_event_data->TargetID;
5033 channel = sas_event_data->Bus;
5034
5035 vtarget = mptsas_find_vtarget(ioc, channel, id);
5036 if (vtarget) {
5037 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5038 "LogInfo (0x%x) available for "
5039 "INTERNAL_DEVICE_RESET"
5040 "fw_id %d fw_channel %d\n", ioc->name,
5041 le32_to_cpu(reply->IOCLogInfo),
5042 id, channel));
5043 if (vtarget->raidVolume) {
5044 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5045 "Skipping Raid Volume for inDMD\n",
5046 ioc->name));
5047 } else {
5048 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5049 "Setting device flag inDMD\n",
5050 ioc->name));
5051 vtarget->inDMD = 1;
5052 }
5053
5054 }
5055
5056 }
5057
5058 break;
5059 }
5060 case MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE:
5061 {
5062 MpiEventDataSasExpanderStatusChange_t *expander_data =
5063 (MpiEventDataSasExpanderStatusChange_t *)reply->Data;
5064
5065 if (ioc->old_sas_discovery_protocal)
5066 return 0;
5067
5068 if (expander_data->ReasonCode ==
5069 MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING &&
5070 ioc->device_missing_delay)
5071 delay = HZ * ioc->device_missing_delay;
5072 break;
5073 }
5074 case MPI_EVENT_SAS_DISCOVERY:
5075 {
5076 u32 discovery_status;
5077 EventDataSasDiscovery_t *discovery_data =
5078 (EventDataSasDiscovery_t *)reply->Data;
5079
5080 discovery_status = le32_to_cpu(discovery_data->DiscoveryStatus);
5081 ioc->sas_discovery_quiesce_io = discovery_status ? 1 : 0;
5082 if (ioc->old_sas_discovery_protocal && !discovery_status)
5083 mptsas_queue_rescan(ioc);
5084 return 0;
5085 }
5086 case MPI_EVENT_INTEGRATED_RAID:
5087 case MPI_EVENT_PERSISTENT_TABLE_FULL:
5088 case MPI_EVENT_IR2:
5089 case MPI_EVENT_SAS_PHY_LINK_STATUS:
5090 case MPI_EVENT_QUEUE_FULL:
5091 break;
5092 default:
5093 return 0;
5094 }
5095
5096 event_data_sz = ((reply->MsgLength * 4) -
5097 offsetof(EventNotificationReply_t, Data));
5098 sz = offsetof(struct fw_event_work, event_data) + event_data_sz;
5099 fw_event = kzalloc(sz, GFP_ATOMIC);
5100 if (!fw_event) {
5101 printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n", ioc->name,
5102 __func__, __LINE__);
5103 return 0;
5104 }
5105 memcpy(fw_event->event_data, reply->Data, event_data_sz);
5106 fw_event->event = event;
5107 fw_event->ioc = ioc;
5108 mptsas_add_fw_event(ioc, fw_event, delay);
5109 return 0;
5110}
5111
5112/* Delete a volume when no longer listed in ioc pg2
5113 */
5114static void mptsas_volume_delete(MPT_ADAPTER *ioc, u8 id)
5115{
5116 struct scsi_device *sdev;
5117 int i;
5118
5119 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL, id, 0);
5120 if (!sdev)
5121 return;
5122 if (!ioc->raid_data.pIocPg2)
5123 goto out;
5124 if (!ioc->raid_data.pIocPg2->NumActiveVolumes)
5125 goto out;
5126 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++)
5127 if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID == id)
5128 goto release_sdev;
5129 out:
5130 printk(MYIOC_s_INFO_FMT "removing raid volume, channel %d, "
5131 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL, id);
5132 scsi_remove_device(sdev);
5133 release_sdev:
5134 scsi_device_put(sdev);
5135}
5136
5137static int
5138mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
5139{
5140 struct Scsi_Host *sh;
5141 MPT_SCSI_HOST *hd;
5142 MPT_ADAPTER *ioc;
5143 unsigned long flags;
5144 int ii;
5145 int numSGE = 0;
5146 int scale;
5147 int ioc_cap;
5148 int error=0;
5149 int r;
5150
5151 r = mpt_attach(pdev,id);
5152 if (r)
5153 return r;
5154
5155 ioc = pci_get_drvdata(pdev);
5156 mptsas_fw_event_off(ioc);
5157 ioc->DoneCtx = mptsasDoneCtx;
5158 ioc->TaskCtx = mptsasTaskCtx;
5159 ioc->InternalCtx = mptsasInternalCtx;
5160 ioc->schedule_target_reset = &mptsas_schedule_target_reset;
5161 ioc->schedule_dead_ioc_flush_running_cmds =
5162 &mptscsih_flush_running_cmds;
5163 /* Added sanity check on readiness of the MPT adapter.
5164 */
5165 if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) {
5166 printk(MYIOC_s_WARN_FMT
5167 "Skipping because it's not operational!\n",
5168 ioc->name);
5169 error = -ENODEV;
5170 goto out_mptsas_probe;
5171 }
5172
5173 if (!ioc->active) {
5174 printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n",
5175 ioc->name);
5176 error = -ENODEV;
5177 goto out_mptsas_probe;
5178 }
5179
5180 /* Sanity check - ensure at least 1 port is INITIATOR capable
5181 */
5182 ioc_cap = 0;
5183 for (ii = 0; ii < ioc->facts.NumberOfPorts; ii++) {
5184 if (ioc->pfacts[ii].ProtocolFlags &
5185 MPI_PORTFACTS_PROTOCOL_INITIATOR)
5186 ioc_cap++;
5187 }
5188
5189 if (!ioc_cap) {
5190 printk(MYIOC_s_WARN_FMT
5191 "Skipping ioc=%p because SCSI Initiator mode "
5192 "is NOT enabled!\n", ioc->name, ioc);
5193 return 0;
5194 }
5195
5196 sh = scsi_host_alloc(&mptsas_driver_template, sizeof(MPT_SCSI_HOST));
5197 if (!sh) {
5198 printk(MYIOC_s_WARN_FMT
5199 "Unable to register controller with SCSI subsystem\n",
5200 ioc->name);
5201 error = -1;
5202 goto out_mptsas_probe;
5203 }
5204
5205 spin_lock_irqsave(&ioc->FreeQlock, flags);
5206
5207 /* Attach the SCSI Host to the IOC structure
5208 */
5209 ioc->sh = sh;
5210
5211 sh->io_port = 0;
5212 sh->n_io_port = 0;
5213 sh->irq = 0;
5214
5215 /* set 16 byte cdb's */
5216 sh->max_cmd_len = 16;
5217 sh->can_queue = min_t(int, ioc->req_depth - 10, sh->can_queue);
5218 sh->max_id = -1;
5219 sh->max_lun = max_lun;
5220 sh->transportt = mptsas_transport_template;
5221
5222 /* Required entry.
5223 */
5224 sh->unique_id = ioc->id;
5225
5226 INIT_LIST_HEAD(&ioc->sas_topology);
5227 mutex_init(&ioc->sas_topology_mutex);
5228 mutex_init(&ioc->sas_discovery_mutex);
5229 mutex_init(&ioc->sas_mgmt.mutex);
5230 init_completion(&ioc->sas_mgmt.done);
5231
5232 /* Verify that we won't exceed the maximum
5233 * number of chain buffers
5234 * We can optimize: ZZ = req_sz/sizeof(SGE)
5235 * For 32bit SGE's:
5236 * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ
5237 * + (req_sz - 64)/sizeof(SGE)
5238 * A slightly different algorithm is required for
5239 * 64bit SGEs.
5240 */
5241 scale = ioc->req_sz/ioc->SGE_size;
5242 if (ioc->sg_addr_size == sizeof(u64)) {
5243 numSGE = (scale - 1) *
5244 (ioc->facts.MaxChainDepth-1) + scale +
5245 (ioc->req_sz - 60) / ioc->SGE_size;
5246 } else {
5247 numSGE = 1 + (scale - 1) *
5248 (ioc->facts.MaxChainDepth-1) + scale +
5249 (ioc->req_sz - 64) / ioc->SGE_size;
5250 }
5251
5252 if (numSGE < sh->sg_tablesize) {
5253 /* Reset this value */
5254 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5255 "Resetting sg_tablesize to %d from %d\n",
5256 ioc->name, numSGE, sh->sg_tablesize));
5257 sh->sg_tablesize = numSGE;
5258 }
5259
5260 if (mpt_loadtime_max_sectors) {
5261 if (mpt_loadtime_max_sectors < 64 ||
5262 mpt_loadtime_max_sectors > 8192) {
5263 printk(MYIOC_s_INFO_FMT "Invalid value passed for"
5264 "mpt_loadtime_max_sectors %d."
5265 "Range from 64 to 8192\n", ioc->name,
5266 mpt_loadtime_max_sectors);
5267 }
5268 mpt_loadtime_max_sectors &= 0xFFFFFFFE;
5269 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5270 "Resetting max sector to %d from %d\n",
5271 ioc->name, mpt_loadtime_max_sectors, sh->max_sectors));
5272 sh->max_sectors = mpt_loadtime_max_sectors;
5273 }
5274
5275 hd = shost_priv(sh);
5276 hd->ioc = ioc;
5277
5278 /* SCSI needs scsi_cmnd lookup table!
5279 * (with size equal to req_depth*PtrSz!)
5280 */
5281 ioc->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC);
5282 if (!ioc->ScsiLookup) {
5283 error = -ENOMEM;
5284 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
5285 goto out_mptsas_probe;
5286 }
5287 spin_lock_init(&ioc->scsi_lookup_lock);
5288
5289 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n",
5290 ioc->name, ioc->ScsiLookup));
5291
5292 ioc->sas_data.ptClear = mpt_pt_clear;
5293
5294 hd->last_queue_full = 0;
5295 INIT_LIST_HEAD(&hd->target_reset_list);
5296 INIT_LIST_HEAD(&ioc->sas_device_info_list);
5297 mutex_init(&ioc->sas_device_info_mutex);
5298
5299 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
5300
5301 if (ioc->sas_data.ptClear==1) {
5302 mptbase_sas_persist_operation(
5303 ioc, MPI_SAS_OP_CLEAR_ALL_PERSISTENT);
5304 }
5305
5306 error = scsi_add_host(sh, &ioc->pcidev->dev);
5307 if (error) {
5308 dprintk(ioc, printk(MYIOC_s_ERR_FMT
5309 "scsi_add_host failed\n", ioc->name));
5310 goto out_mptsas_probe;
5311 }
5312
5313 /* older firmware doesn't support expander events */
5314 if ((ioc->facts.HeaderVersion >> 8) < 0xE)
5315 ioc->old_sas_discovery_protocal = 1;
5316 mptsas_scan_sas_topology(ioc);
5317 mptsas_fw_event_on(ioc);
5318 return 0;
5319
5320 out_mptsas_probe:
5321
5322 mptscsih_remove(pdev);
5323 return error;
5324}
5325
5326void
5327mptsas_shutdown(struct pci_dev *pdev)
5328{
5329 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
5330
5331 mptsas_fw_event_off(ioc);
5332 mptsas_cleanup_fw_event_q(ioc);
5333}
5334
5335static void __devexit mptsas_remove(struct pci_dev *pdev)
5336{
5337 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
5338 struct mptsas_portinfo *p, *n;
5339 int i;
5340
5341 if (!ioc->sh) {
5342 printk(MYIOC_s_INFO_FMT "IOC is in Target mode\n", ioc->name);
5343 mpt_detach(pdev);
5344 return;
5345 }
5346
5347 mptsas_shutdown(pdev);
5348
5349 mptsas_del_device_components(ioc);
5350
5351 ioc->sas_discovery_ignore_events = 1;
5352 sas_remove_host(ioc->sh);
5353
5354 mutex_lock(&ioc->sas_topology_mutex);
5355 list_for_each_entry_safe(p, n, &ioc->sas_topology, list) {
5356 list_del(&p->list);
5357 for (i = 0 ; i < p->num_phys ; i++)
5358 mptsas_port_delete(ioc, p->phy_info[i].port_details);
5359
5360 kfree(p->phy_info);
5361 kfree(p);
5362 }
5363 mutex_unlock(&ioc->sas_topology_mutex);
5364 ioc->hba_port_info = NULL;
5365 mptscsih_remove(pdev);
5366}
5367
5368static struct pci_device_id mptsas_pci_table[] = {
5369 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1064,
5370 PCI_ANY_ID, PCI_ANY_ID },
5371 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068,
5372 PCI_ANY_ID, PCI_ANY_ID },
5373 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1064E,
5374 PCI_ANY_ID, PCI_ANY_ID },
5375 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068E,
5376 PCI_ANY_ID, PCI_ANY_ID },
5377 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1078,
5378 PCI_ANY_ID, PCI_ANY_ID },
5379 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068_820XELP,
5380 PCI_ANY_ID, PCI_ANY_ID },
5381 {0} /* Terminating entry */
5382};
5383MODULE_DEVICE_TABLE(pci, mptsas_pci_table);
5384
5385
5386static struct pci_driver mptsas_driver = {
5387 .name = "mptsas",
5388 .id_table = mptsas_pci_table,
5389 .probe = mptsas_probe,
5390 .remove = __devexit_p(mptsas_remove),
5391 .shutdown = mptsas_shutdown,
5392#ifdef CONFIG_PM
5393 .suspend = mptscsih_suspend,
5394 .resume = mptscsih_resume,
5395#endif
5396};
5397
5398static int __init
5399mptsas_init(void)
5400{
5401 int error;
5402
5403 show_mptmod_ver(my_NAME, my_VERSION);
5404
5405 mptsas_transport_template =
5406 sas_attach_transport(&mptsas_transport_functions);
5407 if (!mptsas_transport_template)
5408 return -ENODEV;
5409 mptsas_transport_template->eh_timed_out = mptsas_eh_timed_out;
5410
5411 mptsasDoneCtx = mpt_register(mptscsih_io_done, MPTSAS_DRIVER,
5412 "mptscsih_io_done");
5413 mptsasTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSAS_DRIVER,
5414 "mptscsih_taskmgmt_complete");
5415 mptsasInternalCtx =
5416 mpt_register(mptscsih_scandv_complete, MPTSAS_DRIVER,
5417 "mptscsih_scandv_complete");
5418 mptsasMgmtCtx = mpt_register(mptsas_mgmt_done, MPTSAS_DRIVER,
5419 "mptsas_mgmt_done");
5420 mptsasDeviceResetCtx =
5421 mpt_register(mptsas_taskmgmt_complete, MPTSAS_DRIVER,
5422 "mptsas_taskmgmt_complete");
5423
5424 mpt_event_register(mptsasDoneCtx, mptsas_event_process);
5425 mpt_reset_register(mptsasDoneCtx, mptsas_ioc_reset);
5426
5427 error = pci_register_driver(&mptsas_driver);
5428 if (error)
5429 sas_release_transport(mptsas_transport_template);
5430
5431 return error;
5432}
5433
5434static void __exit
5435mptsas_exit(void)
5436{
5437 pci_unregister_driver(&mptsas_driver);
5438 sas_release_transport(mptsas_transport_template);
5439
5440 mpt_reset_deregister(mptsasDoneCtx);
5441 mpt_event_deregister(mptsasDoneCtx);
5442
5443 mpt_deregister(mptsasMgmtCtx);
5444 mpt_deregister(mptsasInternalCtx);
5445 mpt_deregister(mptsasTaskCtx);
5446 mpt_deregister(mptsasDoneCtx);
5447 mpt_deregister(mptsasDeviceResetCtx);
5448}
5449
5450module_init(mptsas_init);
5451module_exit(mptsas_exit);