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