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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 parameter 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 fw_event->users = 1;
293 INIT_DELAYED_WORK(&fw_event->work, mptsas_firmware_event_work);
294 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: add (fw_event=0x%p)"
295 "on cpuid %d\n", ioc->name, __func__,
296 fw_event, smp_processor_id()));
297 queue_delayed_work_on(smp_processor_id(), ioc->fw_event_q,
298 &fw_event->work, delay);
299 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
300}
301
302/* requeue a sas firmware event */
303static void
304mptsas_requeue_fw_event(MPT_ADAPTER *ioc, struct fw_event_work *fw_event,
305 unsigned long delay)
306{
307 unsigned long flags;
308 spin_lock_irqsave(&ioc->fw_event_lock, flags);
309 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: reschedule task "
310 "(fw_event=0x%p)on cpuid %d\n", ioc->name, __func__,
311 fw_event, smp_processor_id()));
312 fw_event->retries++;
313 queue_delayed_work_on(smp_processor_id(), ioc->fw_event_q,
314 &fw_event->work, msecs_to_jiffies(delay));
315 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
316}
317
318static void __mptsas_free_fw_event(MPT_ADAPTER *ioc,
319 struct fw_event_work *fw_event)
320{
321 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: kfree (fw_event=0x%p)\n",
322 ioc->name, __func__, fw_event));
323 list_del(&fw_event->list);
324 kfree(fw_event);
325}
326
327/* free memory associated to a sas firmware event */
328static void
329mptsas_free_fw_event(MPT_ADAPTER *ioc, struct fw_event_work *fw_event)
330{
331 unsigned long flags;
332
333 spin_lock_irqsave(&ioc->fw_event_lock, flags);
334 fw_event->users--;
335 if (!fw_event->users)
336 __mptsas_free_fw_event(ioc, fw_event);
337 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
338}
339
340/* walk the firmware event queue, and either stop or wait for
341 * outstanding events to complete */
342static void
343mptsas_cleanup_fw_event_q(MPT_ADAPTER *ioc)
344{
345 struct fw_event_work *fw_event;
346 struct mptsas_target_reset_event *target_reset_list, *n;
347 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
348 unsigned long flags;
349
350 /* flush the target_reset_list */
351 if (!list_empty(&hd->target_reset_list)) {
352 list_for_each_entry_safe(target_reset_list, n,
353 &hd->target_reset_list, list) {
354 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
355 "%s: removing target reset for id=%d\n",
356 ioc->name, __func__,
357 target_reset_list->sas_event_data.TargetID));
358 list_del(&target_reset_list->list);
359 kfree(target_reset_list);
360 }
361 }
362
363 if (list_empty(&ioc->fw_event_list) || !ioc->fw_event_q)
364 return;
365
366 spin_lock_irqsave(&ioc->fw_event_lock, flags);
367
368 while (!list_empty(&ioc->fw_event_list)) {
369 bool canceled = false;
370
371 fw_event = list_first_entry(&ioc->fw_event_list,
372 struct fw_event_work, list);
373 fw_event->users++;
374 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
375 if (cancel_delayed_work_sync(&fw_event->work))
376 canceled = true;
377
378 spin_lock_irqsave(&ioc->fw_event_lock, flags);
379 if (canceled)
380 fw_event->users--;
381 fw_event->users--;
382 WARN_ON_ONCE(fw_event->users);
383 __mptsas_free_fw_event(ioc, fw_event);
384 }
385 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
386}
387
388
389static inline MPT_ADAPTER *phy_to_ioc(struct sas_phy *phy)
390{
391 struct Scsi_Host *shost = dev_to_shost(phy->dev.parent);
392 return ((MPT_SCSI_HOST *)shost->hostdata)->ioc;
393}
394
395static inline MPT_ADAPTER *rphy_to_ioc(struct sas_rphy *rphy)
396{
397 struct Scsi_Host *shost = dev_to_shost(rphy->dev.parent->parent);
398 return ((MPT_SCSI_HOST *)shost->hostdata)->ioc;
399}
400
401/*
402 * mptsas_find_portinfo_by_handle
403 *
404 * This function should be called with the sas_topology_mutex already held
405 */
406static struct mptsas_portinfo *
407mptsas_find_portinfo_by_handle(MPT_ADAPTER *ioc, u16 handle)
408{
409 struct mptsas_portinfo *port_info, *rc=NULL;
410 int i;
411
412 list_for_each_entry(port_info, &ioc->sas_topology, list)
413 for (i = 0; i < port_info->num_phys; i++)
414 if (port_info->phy_info[i].identify.handle == handle) {
415 rc = port_info;
416 goto out;
417 }
418 out:
419 return rc;
420}
421
422/**
423 * mptsas_find_portinfo_by_sas_address - find and return portinfo for
424 * this sas_address
425 * @ioc: Pointer to MPT_ADAPTER structure
426 * @sas_address: expander sas address
427 *
428 * This function should be called with the sas_topology_mutex already held.
429 *
430 * Return: %NULL if not found.
431 **/
432static struct mptsas_portinfo *
433mptsas_find_portinfo_by_sas_address(MPT_ADAPTER *ioc, u64 sas_address)
434{
435 struct mptsas_portinfo *port_info, *rc = NULL;
436 int i;
437
438 if (sas_address >= ioc->hba_port_sas_addr &&
439 sas_address < (ioc->hba_port_sas_addr +
440 ioc->hba_port_num_phy))
441 return ioc->hba_port_info;
442
443 mutex_lock(&ioc->sas_topology_mutex);
444 list_for_each_entry(port_info, &ioc->sas_topology, list)
445 for (i = 0; i < port_info->num_phys; i++)
446 if (port_info->phy_info[i].identify.sas_address ==
447 sas_address) {
448 rc = port_info;
449 goto out;
450 }
451 out:
452 mutex_unlock(&ioc->sas_topology_mutex);
453 return rc;
454}
455
456/*
457 * Returns true if there is a scsi end device
458 */
459static inline int
460mptsas_is_end_device(struct mptsas_devinfo * attached)
461{
462 if ((attached->sas_address) &&
463 (attached->device_info &
464 MPI_SAS_DEVICE_INFO_END_DEVICE) &&
465 ((attached->device_info &
466 MPI_SAS_DEVICE_INFO_SSP_TARGET) |
467 (attached->device_info &
468 MPI_SAS_DEVICE_INFO_STP_TARGET) |
469 (attached->device_info &
470 MPI_SAS_DEVICE_INFO_SATA_DEVICE)))
471 return 1;
472 else
473 return 0;
474}
475
476/* no mutex */
477static void
478mptsas_port_delete(MPT_ADAPTER *ioc, struct mptsas_portinfo_details * port_details)
479{
480 struct mptsas_portinfo *port_info;
481 struct mptsas_phyinfo *phy_info;
482 u8 i;
483
484 if (!port_details)
485 return;
486
487 port_info = port_details->port_info;
488 phy_info = port_info->phy_info;
489
490 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: [%p]: num_phys=%02d "
491 "bitmask=0x%016llX\n", ioc->name, __func__, port_details,
492 port_details->num_phys, (unsigned long long)
493 port_details->phy_bitmask));
494
495 for (i = 0; i < port_info->num_phys; i++, phy_info++) {
496 if(phy_info->port_details != port_details)
497 continue;
498 memset(&phy_info->attached, 0, sizeof(struct mptsas_devinfo));
499 mptsas_set_rphy(ioc, phy_info, NULL);
500 phy_info->port_details = NULL;
501 }
502 kfree(port_details);
503}
504
505static inline struct sas_rphy *
506mptsas_get_rphy(struct mptsas_phyinfo *phy_info)
507{
508 if (phy_info->port_details)
509 return phy_info->port_details->rphy;
510 else
511 return NULL;
512}
513
514static inline void
515mptsas_set_rphy(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy)
516{
517 if (phy_info->port_details) {
518 phy_info->port_details->rphy = rphy;
519 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sas_rphy_add: rphy=%p\n",
520 ioc->name, rphy));
521 }
522
523 if (rphy) {
524 dsaswideprintk(ioc, dev_printk(KERN_DEBUG,
525 &rphy->dev, MYIOC_s_FMT "add:", ioc->name));
526 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "rphy=%p release=%p\n",
527 ioc->name, rphy, rphy->dev.release));
528 }
529}
530
531static inline struct sas_port *
532mptsas_get_port(struct mptsas_phyinfo *phy_info)
533{
534 if (phy_info->port_details)
535 return phy_info->port_details->port;
536 else
537 return NULL;
538}
539
540static inline void
541mptsas_set_port(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_port *port)
542{
543 if (phy_info->port_details)
544 phy_info->port_details->port = port;
545
546 if (port) {
547 dsaswideprintk(ioc, dev_printk(KERN_DEBUG,
548 &port->dev, MYIOC_s_FMT "add:", ioc->name));
549 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "port=%p release=%p\n",
550 ioc->name, port, port->dev.release));
551 }
552}
553
554static inline struct scsi_target *
555mptsas_get_starget(struct mptsas_phyinfo *phy_info)
556{
557 if (phy_info->port_details)
558 return phy_info->port_details->starget;
559 else
560 return NULL;
561}
562
563static inline void
564mptsas_set_starget(struct mptsas_phyinfo *phy_info, struct scsi_target *
565starget)
566{
567 if (phy_info->port_details)
568 phy_info->port_details->starget = starget;
569}
570
571/**
572 * mptsas_add_device_component - adds a new device component to our lists
573 * @ioc: Pointer to MPT_ADAPTER structure
574 * @channel: channel number
575 * @id: Logical Target ID for reset (if appropriate)
576 * @sas_address: expander sas address
577 * @device_info: specific bits (flags) for devices
578 * @slot: enclosure slot ID
579 * @enclosure_logical_id: enclosure WWN
580 *
581 **/
582static void
583mptsas_add_device_component(MPT_ADAPTER *ioc, u8 channel, u8 id,
584 u64 sas_address, u32 device_info, u16 slot, u64 enclosure_logical_id)
585{
586 struct mptsas_device_info *sas_info, *next;
587 struct scsi_device *sdev;
588 struct scsi_target *starget;
589 struct sas_rphy *rphy;
590
591 /*
592 * Delete all matching devices out of the list
593 */
594 mutex_lock(&ioc->sas_device_info_mutex);
595 list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list,
596 list) {
597 if (!sas_info->is_logical_volume &&
598 (sas_info->sas_address == sas_address ||
599 (sas_info->fw.channel == channel &&
600 sas_info->fw.id == id))) {
601 list_del(&sas_info->list);
602 kfree(sas_info);
603 }
604 }
605
606 sas_info = kzalloc(sizeof(struct mptsas_device_info), GFP_KERNEL);
607 if (!sas_info)
608 goto out;
609
610 /*
611 * Set Firmware mapping
612 */
613 sas_info->fw.id = id;
614 sas_info->fw.channel = channel;
615
616 sas_info->sas_address = sas_address;
617 sas_info->device_info = device_info;
618 sas_info->slot = slot;
619 sas_info->enclosure_logical_id = enclosure_logical_id;
620 INIT_LIST_HEAD(&sas_info->list);
621 list_add_tail(&sas_info->list, &ioc->sas_device_info_list);
622
623 /*
624 * Set OS mapping
625 */
626 shost_for_each_device(sdev, ioc->sh) {
627 starget = scsi_target(sdev);
628 rphy = dev_to_rphy(starget->dev.parent);
629 if (rphy->identify.sas_address == sas_address) {
630 sas_info->os.id = starget->id;
631 sas_info->os.channel = starget->channel;
632 }
633 }
634
635 out:
636 mutex_unlock(&ioc->sas_device_info_mutex);
637 return;
638}
639
640/**
641 * mptsas_add_device_component_by_fw - adds a new device component by FW ID
642 * @ioc: Pointer to MPT_ADAPTER structure
643 * @channel: channel number
644 * @id: Logical Target ID
645 *
646 **/
647static void
648mptsas_add_device_component_by_fw(MPT_ADAPTER *ioc, u8 channel, u8 id)
649{
650 struct mptsas_devinfo sas_device;
651 struct mptsas_enclosure enclosure_info;
652 int rc;
653
654 rc = mptsas_sas_device_pg0(ioc, &sas_device,
655 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
656 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
657 (channel << 8) + id);
658 if (rc)
659 return;
660
661 memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure));
662 mptsas_sas_enclosure_pg0(ioc, &enclosure_info,
663 (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE <<
664 MPI_SAS_ENCLOS_PGAD_FORM_SHIFT),
665 sas_device.handle_enclosure);
666
667 mptsas_add_device_component(ioc, sas_device.channel,
668 sas_device.id, sas_device.sas_address, sas_device.device_info,
669 sas_device.slot, enclosure_info.enclosure_logical_id);
670}
671
672/**
673 * mptsas_add_device_component_starget_ir - Handle Integrated RAID, adding each individual device to list
674 * @ioc: Pointer to MPT_ADAPTER structure
675 * @starget: SCSI target for this SCSI device
676 *
677 **/
678static void
679mptsas_add_device_component_starget_ir(MPT_ADAPTER *ioc,
680 struct scsi_target *starget)
681{
682 CONFIGPARMS cfg;
683 ConfigPageHeader_t hdr;
684 dma_addr_t dma_handle;
685 pRaidVolumePage0_t buffer = NULL;
686 int i;
687 RaidPhysDiskPage0_t phys_disk;
688 struct mptsas_device_info *sas_info, *next;
689
690 memset(&cfg, 0 , sizeof(CONFIGPARMS));
691 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
692 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME;
693 /* assumption that all volumes on channel = 0 */
694 cfg.pageAddr = starget->id;
695 cfg.cfghdr.hdr = &hdr;
696 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
697 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
698
699 if (mpt_config(ioc, &cfg) != 0)
700 goto out;
701
702 if (!hdr.PageLength)
703 goto out;
704
705 buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.PageLength * 4,
706 &dma_handle, GFP_KERNEL);
707
708 if (!buffer)
709 goto out;
710
711 cfg.physAddr = dma_handle;
712 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
713
714 if (mpt_config(ioc, &cfg) != 0)
715 goto out;
716
717 if (!buffer->NumPhysDisks)
718 goto out;
719
720 /*
721 * Adding entry for hidden components
722 */
723 for (i = 0; i < buffer->NumPhysDisks; i++) {
724
725 if (mpt_raid_phys_disk_pg0(ioc,
726 buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0)
727 continue;
728
729 mptsas_add_device_component_by_fw(ioc, phys_disk.PhysDiskBus,
730 phys_disk.PhysDiskID);
731
732 mutex_lock(&ioc->sas_device_info_mutex);
733 list_for_each_entry(sas_info, &ioc->sas_device_info_list,
734 list) {
735 if (!sas_info->is_logical_volume &&
736 (sas_info->fw.channel == phys_disk.PhysDiskBus &&
737 sas_info->fw.id == phys_disk.PhysDiskID)) {
738 sas_info->is_hidden_raid_component = 1;
739 sas_info->volume_id = starget->id;
740 }
741 }
742 mutex_unlock(&ioc->sas_device_info_mutex);
743
744 }
745
746 /*
747 * Delete all matching devices out of the list
748 */
749 mutex_lock(&ioc->sas_device_info_mutex);
750 list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list,
751 list) {
752 if (sas_info->is_logical_volume && sas_info->fw.id ==
753 starget->id) {
754 list_del(&sas_info->list);
755 kfree(sas_info);
756 }
757 }
758
759 sas_info = kzalloc(sizeof(struct mptsas_device_info), GFP_KERNEL);
760 if (sas_info) {
761 sas_info->fw.id = starget->id;
762 sas_info->os.id = starget->id;
763 sas_info->os.channel = starget->channel;
764 sas_info->is_logical_volume = 1;
765 INIT_LIST_HEAD(&sas_info->list);
766 list_add_tail(&sas_info->list, &ioc->sas_device_info_list);
767 }
768 mutex_unlock(&ioc->sas_device_info_mutex);
769
770 out:
771 if (buffer)
772 dma_free_coherent(&ioc->pcidev->dev, hdr.PageLength * 4,
773 buffer, dma_handle);
774}
775
776/**
777 * mptsas_add_device_component_starget - adds a SCSI target device component
778 * @ioc: Pointer to MPT_ADAPTER structure
779 * @starget: SCSI target for this SCSI device
780 *
781 **/
782static void
783mptsas_add_device_component_starget(MPT_ADAPTER *ioc,
784 struct scsi_target *starget)
785{
786 struct sas_rphy *rphy;
787 struct mptsas_phyinfo *phy_info = NULL;
788 struct mptsas_enclosure enclosure_info;
789
790 rphy = dev_to_rphy(starget->dev.parent);
791 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
792 rphy->identify.sas_address);
793 if (!phy_info)
794 return;
795
796 memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure));
797 mptsas_sas_enclosure_pg0(ioc, &enclosure_info,
798 (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE <<
799 MPI_SAS_ENCLOS_PGAD_FORM_SHIFT),
800 phy_info->attached.handle_enclosure);
801
802 mptsas_add_device_component(ioc, phy_info->attached.channel,
803 phy_info->attached.id, phy_info->attached.sas_address,
804 phy_info->attached.device_info,
805 phy_info->attached.slot, enclosure_info.enclosure_logical_id);
806}
807
808/**
809 * mptsas_del_device_component_by_os - Once a device has been removed, we mark the entry in the list as being cached
810 * @ioc: Pointer to MPT_ADAPTER structure
811 * @channel: os mapped id's
812 * @id: Logical Target ID
813 *
814 **/
815static void
816mptsas_del_device_component_by_os(MPT_ADAPTER *ioc, u8 channel, u8 id)
817{
818 struct mptsas_device_info *sas_info, *next;
819
820 /*
821 * Set is_cached flag
822 */
823 list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list,
824 list) {
825 if (sas_info->os.channel == channel && sas_info->os.id == id)
826 sas_info->is_cached = 1;
827 }
828}
829
830/**
831 * mptsas_del_device_components - Cleaning the list
832 * @ioc: Pointer to MPT_ADAPTER structure
833 *
834 **/
835static void
836mptsas_del_device_components(MPT_ADAPTER *ioc)
837{
838 struct mptsas_device_info *sas_info, *next;
839
840 mutex_lock(&ioc->sas_device_info_mutex);
841 list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list,
842 list) {
843 list_del(&sas_info->list);
844 kfree(sas_info);
845 }
846 mutex_unlock(&ioc->sas_device_info_mutex);
847}
848
849
850/*
851 * mptsas_setup_wide_ports
852 *
853 * Updates for new and existing narrow/wide port configuration
854 * in the sas_topology
855 */
856static void
857mptsas_setup_wide_ports(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
858{
859 struct mptsas_portinfo_details * port_details;
860 struct mptsas_phyinfo *phy_info, *phy_info_cmp;
861 u64 sas_address;
862 int i, j;
863
864 mutex_lock(&ioc->sas_topology_mutex);
865
866 phy_info = port_info->phy_info;
867 for (i = 0 ; i < port_info->num_phys ; i++, phy_info++) {
868 if (phy_info->attached.handle)
869 continue;
870 port_details = phy_info->port_details;
871 if (!port_details)
872 continue;
873 if (port_details->num_phys < 2)
874 continue;
875 /*
876 * Removing a phy from a port, letting the last
877 * phy be removed by firmware events.
878 */
879 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT
880 "%s: [%p]: deleting phy = %d\n",
881 ioc->name, __func__, port_details, i));
882 port_details->num_phys--;
883 port_details->phy_bitmask &= ~ (1 << phy_info->phy_id);
884 memset(&phy_info->attached, 0, sizeof(struct mptsas_devinfo));
885 if (phy_info->phy) {
886 devtprintk(ioc, dev_printk(KERN_DEBUG,
887 &phy_info->phy->dev, MYIOC_s_FMT
888 "delete phy %d, phy-obj (0x%p)\n", ioc->name,
889 phy_info->phy_id, phy_info->phy));
890 sas_port_delete_phy(port_details->port, phy_info->phy);
891 }
892 phy_info->port_details = NULL;
893 }
894
895 /*
896 * Populate and refresh the tree
897 */
898 phy_info = port_info->phy_info;
899 for (i = 0 ; i < port_info->num_phys ; i++, phy_info++) {
900 sas_address = phy_info->attached.sas_address;
901 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "phy_id=%d sas_address=0x%018llX\n",
902 ioc->name, i, (unsigned long long)sas_address));
903 if (!sas_address)
904 continue;
905 port_details = phy_info->port_details;
906 /*
907 * Forming a port
908 */
909 if (!port_details) {
910 port_details = kzalloc(sizeof(struct
911 mptsas_portinfo_details), GFP_KERNEL);
912 if (!port_details)
913 goto out;
914 port_details->num_phys = 1;
915 port_details->port_info = port_info;
916 if (phy_info->phy_id < 64 )
917 port_details->phy_bitmask |=
918 (1 << phy_info->phy_id);
919 phy_info->sas_port_add_phy=1;
920 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\t\tForming port\n\t\t"
921 "phy_id=%d sas_address=0x%018llX\n",
922 ioc->name, i, (unsigned long long)sas_address));
923 phy_info->port_details = port_details;
924 }
925
926 if (i == port_info->num_phys - 1)
927 continue;
928 phy_info_cmp = &port_info->phy_info[i + 1];
929 for (j = i + 1 ; j < port_info->num_phys ; j++,
930 phy_info_cmp++) {
931 if (!phy_info_cmp->attached.sas_address)
932 continue;
933 if (sas_address != phy_info_cmp->attached.sas_address)
934 continue;
935 if (phy_info_cmp->port_details == port_details )
936 continue;
937 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT
938 "\t\tphy_id=%d sas_address=0x%018llX\n",
939 ioc->name, j, (unsigned long long)
940 phy_info_cmp->attached.sas_address));
941 if (phy_info_cmp->port_details) {
942 port_details->rphy =
943 mptsas_get_rphy(phy_info_cmp);
944 port_details->port =
945 mptsas_get_port(phy_info_cmp);
946 port_details->starget =
947 mptsas_get_starget(phy_info_cmp);
948 port_details->num_phys =
949 phy_info_cmp->port_details->num_phys;
950 if (!phy_info_cmp->port_details->num_phys)
951 kfree(phy_info_cmp->port_details);
952 } else
953 phy_info_cmp->sas_port_add_phy=1;
954 /*
955 * Adding a phy to a port
956 */
957 phy_info_cmp->port_details = port_details;
958 if (phy_info_cmp->phy_id < 64 )
959 port_details->phy_bitmask |=
960 (1 << phy_info_cmp->phy_id);
961 port_details->num_phys++;
962 }
963 }
964
965 out:
966
967 for (i = 0; i < port_info->num_phys; i++) {
968 port_details = port_info->phy_info[i].port_details;
969 if (!port_details)
970 continue;
971 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT
972 "%s: [%p]: phy_id=%02d num_phys=%02d "
973 "bitmask=0x%016llX\n", ioc->name, __func__,
974 port_details, i, port_details->num_phys,
975 (unsigned long long)port_details->phy_bitmask));
976 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\t\tport = %p rphy=%p\n",
977 ioc->name, port_details->port, port_details->rphy));
978 }
979 dsaswideprintk(ioc, printk("\n"));
980 mutex_unlock(&ioc->sas_topology_mutex);
981}
982
983/**
984 * mptsas_find_vtarget - find a virtual target device (FC LUN device or
985 * SCSI target device)
986 *
987 * @ioc: Pointer to MPT_ADAPTER structure
988 * @channel: channel number
989 * @id: Logical Target ID
990 *
991 **/
992static VirtTarget *
993mptsas_find_vtarget(MPT_ADAPTER *ioc, u8 channel, u8 id)
994{
995 struct scsi_device *sdev;
996 VirtDevice *vdevice;
997 VirtTarget *vtarget = NULL;
998
999 shost_for_each_device(sdev, ioc->sh) {
1000 vdevice = sdev->hostdata;
1001 if ((vdevice == NULL) ||
1002 (vdevice->vtarget == NULL))
1003 continue;
1004 if ((vdevice->vtarget->tflags &
1005 MPT_TARGET_FLAGS_RAID_COMPONENT ||
1006 vdevice->vtarget->raidVolume))
1007 continue;
1008 if (vdevice->vtarget->id == id &&
1009 vdevice->vtarget->channel == channel)
1010 vtarget = vdevice->vtarget;
1011 }
1012 return vtarget;
1013}
1014
1015static void
1016mptsas_queue_device_delete(MPT_ADAPTER *ioc,
1017 MpiEventDataSasDeviceStatusChange_t *sas_event_data)
1018{
1019 struct fw_event_work *fw_event;
1020
1021 fw_event = kzalloc(sizeof(*fw_event) +
1022 sizeof(MpiEventDataSasDeviceStatusChange_t),
1023 GFP_ATOMIC);
1024 if (!fw_event) {
1025 printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n",
1026 ioc->name, __func__, __LINE__);
1027 return;
1028 }
1029 memcpy(fw_event->event_data, sas_event_data,
1030 sizeof(MpiEventDataSasDeviceStatusChange_t));
1031 fw_event->event = MPI_EVENT_SAS_DEVICE_STATUS_CHANGE;
1032 fw_event->ioc = ioc;
1033 mptsas_add_fw_event(ioc, fw_event, msecs_to_jiffies(1));
1034}
1035
1036static void
1037mptsas_queue_rescan(MPT_ADAPTER *ioc)
1038{
1039 struct fw_event_work *fw_event;
1040
1041 fw_event = kzalloc(sizeof(*fw_event), GFP_ATOMIC);
1042 if (!fw_event) {
1043 printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n",
1044 ioc->name, __func__, __LINE__);
1045 return;
1046 }
1047 fw_event->event = -1;
1048 fw_event->ioc = ioc;
1049 mptsas_add_fw_event(ioc, fw_event, msecs_to_jiffies(1));
1050}
1051
1052
1053/**
1054 * mptsas_target_reset - Issues TARGET_RESET to end device using
1055 * handshaking method
1056 *
1057 * @ioc: Pointer to MPT_ADAPTER structure
1058 * @channel: channel number
1059 * @id: Logical Target ID for reset
1060 *
1061 * Return: (1) success
1062 * (0) failure
1063 *
1064 **/
1065static int
1066mptsas_target_reset(MPT_ADAPTER *ioc, u8 channel, u8 id)
1067{
1068 MPT_FRAME_HDR *mf;
1069 SCSITaskMgmt_t *pScsiTm;
1070 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0)
1071 return 0;
1072
1073
1074 mf = mpt_get_msg_frame(mptsasDeviceResetCtx, ioc);
1075 if (mf == NULL) {
1076 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT
1077 "%s, no msg frames @%d!!\n", ioc->name,
1078 __func__, __LINE__));
1079 goto out_fail;
1080 }
1081
1082 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
1083 ioc->name, mf));
1084
1085 /* Format the Request
1086 */
1087 pScsiTm = (SCSITaskMgmt_t *) mf;
1088 memset (pScsiTm, 0, sizeof(SCSITaskMgmt_t));
1089 pScsiTm->TargetID = id;
1090 pScsiTm->Bus = channel;
1091 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1092 pScsiTm->TaskType = MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
1093 pScsiTm->MsgFlags = MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION;
1094
1095 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)mf);
1096
1097 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1098 "TaskMgmt type=%d (sas device delete) fw_channel = %d fw_id = %d)\n",
1099 ioc->name, MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET, channel, id));
1100
1101 mpt_put_msg_frame_hi_pri(mptsasDeviceResetCtx, ioc, mf);
1102
1103 return 1;
1104
1105 out_fail:
1106
1107 mpt_clear_taskmgmt_in_progress_flag(ioc);
1108 return 0;
1109}
1110
1111static void
1112mptsas_block_io_sdev(struct scsi_device *sdev, void *data)
1113{
1114 scsi_device_set_state(sdev, SDEV_BLOCK);
1115}
1116
1117static void
1118mptsas_block_io_starget(struct scsi_target *starget)
1119{
1120 if (starget)
1121 starget_for_each_device(starget, NULL, mptsas_block_io_sdev);
1122}
1123
1124/**
1125 * mptsas_target_reset_queue - queue a target reset
1126 *
1127 * @ioc: Pointer to MPT_ADAPTER structure
1128 * @sas_event_data: SAS Device Status Change Event data
1129 *
1130 * Receive request for TARGET_RESET after receiving a firmware
1131 * event NOT_RESPONDING_EVENT, then put command in link list
1132 * and queue if task_queue already in use.
1133 *
1134 **/
1135static void
1136mptsas_target_reset_queue(MPT_ADAPTER *ioc,
1137 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data)
1138{
1139 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
1140 VirtTarget *vtarget = NULL;
1141 struct mptsas_target_reset_event *target_reset_list;
1142 u8 id, channel;
1143
1144 id = sas_event_data->TargetID;
1145 channel = sas_event_data->Bus;
1146
1147 vtarget = mptsas_find_vtarget(ioc, channel, id);
1148 if (vtarget) {
1149 mptsas_block_io_starget(vtarget->starget);
1150 vtarget->deleted = 1; /* block IO */
1151 }
1152
1153 target_reset_list = kzalloc(sizeof(struct mptsas_target_reset_event),
1154 GFP_ATOMIC);
1155 if (!target_reset_list) {
1156 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT
1157 "%s, failed to allocate mem @%d..!!\n",
1158 ioc->name, __func__, __LINE__));
1159 return;
1160 }
1161
1162 memcpy(&target_reset_list->sas_event_data, sas_event_data,
1163 sizeof(*sas_event_data));
1164 list_add_tail(&target_reset_list->list, &hd->target_reset_list);
1165
1166 target_reset_list->time_count = jiffies;
1167
1168 if (mptsas_target_reset(ioc, channel, id)) {
1169 target_reset_list->target_reset_issued = 1;
1170 }
1171}
1172
1173/**
1174 * mptsas_schedule_target_reset- send pending target reset
1175 * @iocp: per adapter object
1176 *
1177 * This function will delete scheduled target reset from the list and
1178 * try to send next target reset. This will be called from completion
1179 * context of any Task management command.
1180 */
1181
1182void
1183mptsas_schedule_target_reset(void *iocp)
1184{
1185 MPT_ADAPTER *ioc = (MPT_ADAPTER *)(iocp);
1186 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
1187 struct list_head *head = &hd->target_reset_list;
1188 struct mptsas_target_reset_event *target_reset_list;
1189 u8 id, channel;
1190 /*
1191 * issue target reset to next device in the queue
1192 */
1193
1194 if (list_empty(head))
1195 return;
1196
1197 target_reset_list = list_entry(head->next,
1198 struct mptsas_target_reset_event, list);
1199
1200 id = target_reset_list->sas_event_data.TargetID;
1201 channel = target_reset_list->sas_event_data.Bus;
1202 target_reset_list->time_count = jiffies;
1203
1204 if (mptsas_target_reset(ioc, channel, id))
1205 target_reset_list->target_reset_issued = 1;
1206 return;
1207}
1208
1209
1210/**
1211 * mptsas_taskmgmt_complete - complete SAS task management function
1212 * @ioc: Pointer to MPT_ADAPTER structure
1213 * @mf: MPT message frame
1214 * @mr: SCSI Task Management Reply structure ptr (may be %NULL)
1215 *
1216 * Completion for TARGET_RESET after NOT_RESPONDING_EVENT, enable work
1217 * queue to finish off removing device from upper layers, then send next
1218 * TARGET_RESET in the queue.
1219 **/
1220static int
1221mptsas_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
1222{
1223 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
1224 struct list_head *head = &hd->target_reset_list;
1225 u8 id, channel;
1226 struct mptsas_target_reset_event *target_reset_list;
1227 SCSITaskMgmtReply_t *pScsiTmReply;
1228
1229 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt completed: "
1230 "(mf = %p, mr = %p)\n", ioc->name, mf, mr));
1231
1232 pScsiTmReply = (SCSITaskMgmtReply_t *)mr;
1233 if (!pScsiTmReply)
1234 return 0;
1235
1236 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1237 "\tTaskMgmt completed: fw_channel = %d, fw_id = %d,\n"
1238 "\ttask_type = 0x%02X, iocstatus = 0x%04X "
1239 "loginfo = 0x%08X,\n\tresponse_code = 0x%02X, "
1240 "term_cmnds = %d\n", ioc->name,
1241 pScsiTmReply->Bus, pScsiTmReply->TargetID,
1242 pScsiTmReply->TaskType,
1243 le16_to_cpu(pScsiTmReply->IOCStatus),
1244 le32_to_cpu(pScsiTmReply->IOCLogInfo),
1245 pScsiTmReply->ResponseCode,
1246 le32_to_cpu(pScsiTmReply->TerminationCount)));
1247
1248 if (pScsiTmReply->ResponseCode)
1249 mptscsih_taskmgmt_response_code(ioc,
1250 pScsiTmReply->ResponseCode);
1251
1252 if (pScsiTmReply->TaskType ==
1253 MPI_SCSITASKMGMT_TASKTYPE_QUERY_TASK || pScsiTmReply->TaskType ==
1254 MPI_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET) {
1255 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
1256 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
1257 memcpy(ioc->taskmgmt_cmds.reply, mr,
1258 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
1259 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
1260 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
1261 complete(&ioc->taskmgmt_cmds.done);
1262 return 1;
1263 }
1264 return 0;
1265 }
1266
1267 mpt_clear_taskmgmt_in_progress_flag(ioc);
1268
1269 if (list_empty(head))
1270 return 1;
1271
1272 target_reset_list = list_entry(head->next,
1273 struct mptsas_target_reset_event, list);
1274
1275 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1276 "TaskMgmt: completed (%d seconds)\n",
1277 ioc->name, jiffies_to_msecs(jiffies -
1278 target_reset_list->time_count)/1000));
1279
1280 id = pScsiTmReply->TargetID;
1281 channel = pScsiTmReply->Bus;
1282 target_reset_list->time_count = jiffies;
1283
1284 /*
1285 * retry target reset
1286 */
1287 if (!target_reset_list->target_reset_issued) {
1288 if (mptsas_target_reset(ioc, channel, id))
1289 target_reset_list->target_reset_issued = 1;
1290 return 1;
1291 }
1292
1293 /*
1294 * enable work queue to remove device from upper layers
1295 */
1296 list_del(&target_reset_list->list);
1297 if (!ioc->fw_events_off)
1298 mptsas_queue_device_delete(ioc,
1299 &target_reset_list->sas_event_data);
1300
1301
1302 ioc->schedule_target_reset(ioc);
1303
1304 return 1;
1305}
1306
1307/**
1308 * mptsas_ioc_reset - issue an IOC reset for this reset phase
1309 *
1310 * @ioc: Pointer to MPT_ADAPTER structure
1311 * @reset_phase: id of phase of reset
1312 *
1313 **/
1314static int
1315mptsas_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
1316{
1317 MPT_SCSI_HOST *hd;
1318 int rc;
1319
1320 rc = mptscsih_ioc_reset(ioc, reset_phase);
1321 if ((ioc->bus_type != SAS) || (!rc))
1322 return rc;
1323
1324 hd = shost_priv(ioc->sh);
1325 if (!hd->ioc)
1326 goto out;
1327
1328 switch (reset_phase) {
1329 case MPT_IOC_SETUP_RESET:
1330 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1331 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
1332 mptsas_fw_event_off(ioc);
1333 break;
1334 case MPT_IOC_PRE_RESET:
1335 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1336 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
1337 break;
1338 case MPT_IOC_POST_RESET:
1339 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1340 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
1341 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_PENDING) {
1342 ioc->sas_mgmt.status |= MPT_MGMT_STATUS_DID_IOCRESET;
1343 complete(&ioc->sas_mgmt.done);
1344 }
1345 mptsas_cleanup_fw_event_q(ioc);
1346 mptsas_queue_rescan(ioc);
1347 break;
1348 default:
1349 break;
1350 }
1351
1352 out:
1353 return rc;
1354}
1355
1356
1357/**
1358 * enum device_state - TUR device state
1359 * @DEVICE_RETRY: need to retry the TUR
1360 * @DEVICE_ERROR: TUR return error, don't add device
1361 * @DEVICE_READY: device can be added
1362 *
1363 */
1364enum device_state{
1365 DEVICE_RETRY,
1366 DEVICE_ERROR,
1367 DEVICE_READY,
1368};
1369
1370static int
1371mptsas_sas_enclosure_pg0(MPT_ADAPTER *ioc, struct mptsas_enclosure *enclosure,
1372 u32 form, u32 form_specific)
1373{
1374 ConfigExtendedPageHeader_t hdr;
1375 CONFIGPARMS cfg;
1376 SasEnclosurePage0_t *buffer;
1377 dma_addr_t dma_handle;
1378 int error;
1379 __le64 le_identifier;
1380
1381 memset(&hdr, 0, sizeof(hdr));
1382 hdr.PageVersion = MPI_SASENCLOSURE0_PAGEVERSION;
1383 hdr.PageNumber = 0;
1384 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
1385 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_ENCLOSURE;
1386
1387 cfg.cfghdr.ehdr = &hdr;
1388 cfg.physAddr = -1;
1389 cfg.pageAddr = form + form_specific;
1390 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
1391 cfg.dir = 0; /* read */
1392 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
1393
1394 error = mpt_config(ioc, &cfg);
1395 if (error)
1396 goto out;
1397 if (!hdr.ExtPageLength) {
1398 error = -ENXIO;
1399 goto out;
1400 }
1401
1402 buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4,
1403 &dma_handle, GFP_KERNEL);
1404 if (!buffer) {
1405 error = -ENOMEM;
1406 goto out;
1407 }
1408
1409 cfg.physAddr = dma_handle;
1410 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
1411
1412 error = mpt_config(ioc, &cfg);
1413 if (error)
1414 goto out_free_consistent;
1415
1416 /* save config data */
1417 memcpy(&le_identifier, &buffer->EnclosureLogicalID, sizeof(__le64));
1418 enclosure->enclosure_logical_id = le64_to_cpu(le_identifier);
1419 enclosure->enclosure_handle = le16_to_cpu(buffer->EnclosureHandle);
1420 enclosure->flags = le16_to_cpu(buffer->Flags);
1421 enclosure->num_slot = le16_to_cpu(buffer->NumSlots);
1422 enclosure->start_slot = le16_to_cpu(buffer->StartSlot);
1423 enclosure->start_id = buffer->StartTargetID;
1424 enclosure->start_channel = buffer->StartBus;
1425 enclosure->sep_id = buffer->SEPTargetID;
1426 enclosure->sep_channel = buffer->SEPBus;
1427
1428 out_free_consistent:
1429 dma_free_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, buffer,
1430 dma_handle);
1431 out:
1432 return error;
1433}
1434
1435/**
1436 * mptsas_add_end_device - report a new end device to sas transport layer
1437 * @ioc: Pointer to MPT_ADAPTER structure
1438 * @phy_info: describes attached device
1439 *
1440 * return (0) success (1) failure
1441 *
1442 **/
1443static int
1444mptsas_add_end_device(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info)
1445{
1446 struct sas_rphy *rphy;
1447 struct sas_port *port;
1448 struct sas_identify identify;
1449 char *ds = NULL;
1450 u8 fw_id;
1451
1452 if (!phy_info) {
1453 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1454 "%s: exit at line=%d\n", ioc->name,
1455 __func__, __LINE__));
1456 return 1;
1457 }
1458
1459 fw_id = phy_info->attached.id;
1460
1461 if (mptsas_get_rphy(phy_info)) {
1462 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1463 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1464 __func__, fw_id, __LINE__));
1465 return 2;
1466 }
1467
1468 port = mptsas_get_port(phy_info);
1469 if (!port) {
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 3;
1474 }
1475
1476 if (phy_info->attached.device_info &
1477 MPI_SAS_DEVICE_INFO_SSP_TARGET)
1478 ds = "ssp";
1479 if (phy_info->attached.device_info &
1480 MPI_SAS_DEVICE_INFO_STP_TARGET)
1481 ds = "stp";
1482 if (phy_info->attached.device_info &
1483 MPI_SAS_DEVICE_INFO_SATA_DEVICE)
1484 ds = "sata";
1485
1486 printk(MYIOC_s_INFO_FMT "attaching %s device: fw_channel %d, fw_id %d,"
1487 " phy %d, sas_addr 0x%llx\n", ioc->name, ds,
1488 phy_info->attached.channel, phy_info->attached.id,
1489 phy_info->attached.phy_id, (unsigned long long)
1490 phy_info->attached.sas_address);
1491
1492 mptsas_parse_device_info(&identify, &phy_info->attached);
1493 rphy = sas_end_device_alloc(port);
1494 if (!rphy) {
1495 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1496 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1497 __func__, fw_id, __LINE__));
1498 return 5; /* non-fatal: an rphy can be added later */
1499 }
1500
1501 rphy->identify = identify;
1502 if (sas_rphy_add(rphy)) {
1503 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1504 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1505 __func__, fw_id, __LINE__));
1506 sas_rphy_free(rphy);
1507 return 6;
1508 }
1509 mptsas_set_rphy(ioc, phy_info, rphy);
1510 return 0;
1511}
1512
1513/**
1514 * mptsas_del_end_device - report a deleted end device to sas transport layer
1515 * @ioc: Pointer to MPT_ADAPTER structure
1516 * @phy_info: describes attached device
1517 *
1518 **/
1519static void
1520mptsas_del_end_device(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info)
1521{
1522 struct sas_rphy *rphy;
1523 struct sas_port *port;
1524 struct mptsas_portinfo *port_info;
1525 struct mptsas_phyinfo *phy_info_parent;
1526 int i;
1527 char *ds = NULL;
1528 u8 fw_id;
1529 u64 sas_address;
1530
1531 if (!phy_info)
1532 return;
1533
1534 fw_id = phy_info->attached.id;
1535 sas_address = phy_info->attached.sas_address;
1536
1537 if (!phy_info->port_details) {
1538 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1539 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1540 __func__, fw_id, __LINE__));
1541 return;
1542 }
1543 rphy = mptsas_get_rphy(phy_info);
1544 if (!rphy) {
1545 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1546 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1547 __func__, fw_id, __LINE__));
1548 return;
1549 }
1550
1551 if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_SSP_INITIATOR
1552 || phy_info->attached.device_info
1553 & MPI_SAS_DEVICE_INFO_SMP_INITIATOR
1554 || phy_info->attached.device_info
1555 & MPI_SAS_DEVICE_INFO_STP_INITIATOR)
1556 ds = "initiator";
1557 if (phy_info->attached.device_info &
1558 MPI_SAS_DEVICE_INFO_SSP_TARGET)
1559 ds = "ssp";
1560 if (phy_info->attached.device_info &
1561 MPI_SAS_DEVICE_INFO_STP_TARGET)
1562 ds = "stp";
1563 if (phy_info->attached.device_info &
1564 MPI_SAS_DEVICE_INFO_SATA_DEVICE)
1565 ds = "sata";
1566
1567 dev_printk(KERN_DEBUG, &rphy->dev, MYIOC_s_FMT
1568 "removing %s device: fw_channel %d, fw_id %d, phy %d,"
1569 "sas_addr 0x%llx\n", ioc->name, ds, phy_info->attached.channel,
1570 phy_info->attached.id, phy_info->attached.phy_id,
1571 (unsigned long long) sas_address);
1572
1573 port = mptsas_get_port(phy_info);
1574 if (!port) {
1575 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1576 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1577 __func__, fw_id, __LINE__));
1578 return;
1579 }
1580 port_info = phy_info->portinfo;
1581 phy_info_parent = port_info->phy_info;
1582 for (i = 0; i < port_info->num_phys; i++, phy_info_parent++) {
1583 if (!phy_info_parent->phy)
1584 continue;
1585 if (phy_info_parent->attached.sas_address !=
1586 sas_address)
1587 continue;
1588 dev_printk(KERN_DEBUG, &phy_info_parent->phy->dev,
1589 MYIOC_s_FMT "delete phy %d, phy-obj (0x%p)\n",
1590 ioc->name, phy_info_parent->phy_id,
1591 phy_info_parent->phy);
1592 sas_port_delete_phy(port, phy_info_parent->phy);
1593 }
1594
1595 dev_printk(KERN_DEBUG, &port->dev, MYIOC_s_FMT
1596 "delete port %d, sas_addr (0x%llx)\n", ioc->name,
1597 port->port_identifier, (unsigned long long)sas_address);
1598 sas_port_delete(port);
1599 mptsas_set_port(ioc, phy_info, NULL);
1600 mptsas_port_delete(ioc, phy_info->port_details);
1601}
1602
1603static struct mptsas_phyinfo *
1604mptsas_refreshing_device_handles(MPT_ADAPTER *ioc,
1605 struct mptsas_devinfo *sas_device)
1606{
1607 struct mptsas_phyinfo *phy_info;
1608 struct mptsas_portinfo *port_info;
1609 int i;
1610
1611 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
1612 sas_device->sas_address);
1613 if (!phy_info)
1614 goto out;
1615 port_info = phy_info->portinfo;
1616 if (!port_info)
1617 goto out;
1618 mutex_lock(&ioc->sas_topology_mutex);
1619 for (i = 0; i < port_info->num_phys; i++) {
1620 if (port_info->phy_info[i].attached.sas_address !=
1621 sas_device->sas_address)
1622 continue;
1623 port_info->phy_info[i].attached.channel = sas_device->channel;
1624 port_info->phy_info[i].attached.id = sas_device->id;
1625 port_info->phy_info[i].attached.sas_address =
1626 sas_device->sas_address;
1627 port_info->phy_info[i].attached.handle = sas_device->handle;
1628 port_info->phy_info[i].attached.handle_parent =
1629 sas_device->handle_parent;
1630 port_info->phy_info[i].attached.handle_enclosure =
1631 sas_device->handle_enclosure;
1632 }
1633 mutex_unlock(&ioc->sas_topology_mutex);
1634 out:
1635 return phy_info;
1636}
1637
1638/**
1639 * mptsas_firmware_event_work - work thread for processing fw events
1640 * @work: work queue payload containing info describing the event
1641 * Context: user
1642 *
1643 */
1644static void
1645mptsas_firmware_event_work(struct work_struct *work)
1646{
1647 struct fw_event_work *fw_event =
1648 container_of(work, struct fw_event_work, work.work);
1649 MPT_ADAPTER *ioc = fw_event->ioc;
1650
1651 /* special rescan topology handling */
1652 if (fw_event->event == -1) {
1653 if (ioc->in_rescan) {
1654 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1655 "%s: rescan ignored as it is in progress\n",
1656 ioc->name, __func__));
1657 return;
1658 }
1659 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: rescan after "
1660 "reset\n", ioc->name, __func__));
1661 ioc->in_rescan = 1;
1662 mptsas_not_responding_devices(ioc);
1663 mptsas_scan_sas_topology(ioc);
1664 ioc->in_rescan = 0;
1665 mptsas_free_fw_event(ioc, fw_event);
1666 mptsas_fw_event_on(ioc);
1667 return;
1668 }
1669
1670 /* events handling turned off during host reset */
1671 if (ioc->fw_events_off) {
1672 mptsas_free_fw_event(ioc, fw_event);
1673 return;
1674 }
1675
1676 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: fw_event=(0x%p), "
1677 "event = (0x%02x)\n", ioc->name, __func__, fw_event,
1678 (fw_event->event & 0xFF)));
1679
1680 switch (fw_event->event) {
1681 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
1682 mptsas_send_sas_event(fw_event);
1683 break;
1684 case MPI_EVENT_INTEGRATED_RAID:
1685 mptsas_send_raid_event(fw_event);
1686 break;
1687 case MPI_EVENT_IR2:
1688 mptsas_send_ir2_event(fw_event);
1689 break;
1690 case MPI_EVENT_PERSISTENT_TABLE_FULL:
1691 mptbase_sas_persist_operation(ioc,
1692 MPI_SAS_OP_CLEAR_NOT_PRESENT);
1693 mptsas_free_fw_event(ioc, fw_event);
1694 break;
1695 case MPI_EVENT_SAS_BROADCAST_PRIMITIVE:
1696 mptsas_broadcast_primitive_work(fw_event);
1697 break;
1698 case MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE:
1699 mptsas_send_expander_event(fw_event);
1700 break;
1701 case MPI_EVENT_SAS_PHY_LINK_STATUS:
1702 mptsas_send_link_status_event(fw_event);
1703 break;
1704 case MPI_EVENT_QUEUE_FULL:
1705 mptsas_handle_queue_full_event(fw_event);
1706 break;
1707 }
1708}
1709
1710
1711
1712static int
1713mptsas_slave_configure(struct scsi_device *sdev)
1714{
1715 struct Scsi_Host *host = sdev->host;
1716 MPT_SCSI_HOST *hd = shost_priv(host);
1717 MPT_ADAPTER *ioc = hd->ioc;
1718 VirtDevice *vdevice = sdev->hostdata;
1719
1720 if (vdevice->vtarget->deleted) {
1721 sdev_printk(KERN_INFO, sdev, "clearing deleted flag\n");
1722 vdevice->vtarget->deleted = 0;
1723 }
1724
1725 /*
1726 * RAID volumes placed beyond the last expected port.
1727 * Ignore sending sas mode pages in that case..
1728 */
1729 if (sdev->channel == MPTSAS_RAID_CHANNEL) {
1730 mptsas_add_device_component_starget_ir(ioc, scsi_target(sdev));
1731 goto out;
1732 }
1733
1734 sas_read_port_mode_page(sdev);
1735
1736 mptsas_add_device_component_starget(ioc, scsi_target(sdev));
1737
1738 out:
1739 return mptscsih_slave_configure(sdev);
1740}
1741
1742static int
1743mptsas_target_alloc(struct scsi_target *starget)
1744{
1745 struct Scsi_Host *host = dev_to_shost(&starget->dev);
1746 MPT_SCSI_HOST *hd = shost_priv(host);
1747 VirtTarget *vtarget;
1748 u8 id, channel;
1749 struct sas_rphy *rphy;
1750 struct mptsas_portinfo *p;
1751 int i;
1752 MPT_ADAPTER *ioc = hd->ioc;
1753
1754 vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL);
1755 if (!vtarget)
1756 return -ENOMEM;
1757
1758 vtarget->starget = starget;
1759 vtarget->ioc_id = ioc->id;
1760 vtarget->tflags = MPT_TARGET_FLAGS_Q_YES;
1761 id = starget->id;
1762 channel = 0;
1763
1764 /*
1765 * RAID volumes placed beyond the last expected port.
1766 */
1767 if (starget->channel == MPTSAS_RAID_CHANNEL) {
1768 if (!ioc->raid_data.pIocPg2) {
1769 kfree(vtarget);
1770 return -ENXIO;
1771 }
1772 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
1773 if (id == ioc->raid_data.pIocPg2->
1774 RaidVolume[i].VolumeID) {
1775 channel = ioc->raid_data.pIocPg2->
1776 RaidVolume[i].VolumeBus;
1777 }
1778 }
1779 vtarget->raidVolume = 1;
1780 goto out;
1781 }
1782
1783 rphy = dev_to_rphy(starget->dev.parent);
1784 mutex_lock(&ioc->sas_topology_mutex);
1785 list_for_each_entry(p, &ioc->sas_topology, list) {
1786 for (i = 0; i < p->num_phys; i++) {
1787 if (p->phy_info[i].attached.sas_address !=
1788 rphy->identify.sas_address)
1789 continue;
1790 id = p->phy_info[i].attached.id;
1791 channel = p->phy_info[i].attached.channel;
1792 mptsas_set_starget(&p->phy_info[i], starget);
1793
1794 /*
1795 * Exposing hidden raid components
1796 */
1797 if (mptscsih_is_phys_disk(ioc, channel, id)) {
1798 id = mptscsih_raid_id_to_num(ioc,
1799 channel, id);
1800 vtarget->tflags |=
1801 MPT_TARGET_FLAGS_RAID_COMPONENT;
1802 p->phy_info[i].attached.phys_disk_num = id;
1803 }
1804 mutex_unlock(&ioc->sas_topology_mutex);
1805 goto out;
1806 }
1807 }
1808 mutex_unlock(&ioc->sas_topology_mutex);
1809
1810 kfree(vtarget);
1811 return -ENXIO;
1812
1813 out:
1814 vtarget->id = id;
1815 vtarget->channel = channel;
1816 starget->hostdata = vtarget;
1817 return 0;
1818}
1819
1820static void
1821mptsas_target_destroy(struct scsi_target *starget)
1822{
1823 struct Scsi_Host *host = dev_to_shost(&starget->dev);
1824 MPT_SCSI_HOST *hd = shost_priv(host);
1825 struct sas_rphy *rphy;
1826 struct mptsas_portinfo *p;
1827 int i;
1828 MPT_ADAPTER *ioc = hd->ioc;
1829 VirtTarget *vtarget;
1830
1831 if (!starget->hostdata)
1832 return;
1833
1834 vtarget = starget->hostdata;
1835
1836 mptsas_del_device_component_by_os(ioc, starget->channel,
1837 starget->id);
1838
1839
1840 if (starget->channel == MPTSAS_RAID_CHANNEL)
1841 goto out;
1842
1843 rphy = dev_to_rphy(starget->dev.parent);
1844 list_for_each_entry(p, &ioc->sas_topology, list) {
1845 for (i = 0; i < p->num_phys; i++) {
1846 if (p->phy_info[i].attached.sas_address !=
1847 rphy->identify.sas_address)
1848 continue;
1849
1850 starget_printk(KERN_INFO, starget, MYIOC_s_FMT
1851 "delete device: fw_channel %d, fw_id %d, phy %d, "
1852 "sas_addr 0x%llx\n", ioc->name,
1853 p->phy_info[i].attached.channel,
1854 p->phy_info[i].attached.id,
1855 p->phy_info[i].attached.phy_id, (unsigned long long)
1856 p->phy_info[i].attached.sas_address);
1857
1858 mptsas_set_starget(&p->phy_info[i], NULL);
1859 }
1860 }
1861
1862 out:
1863 vtarget->starget = NULL;
1864 kfree(starget->hostdata);
1865 starget->hostdata = NULL;
1866}
1867
1868
1869static int
1870mptsas_slave_alloc(struct scsi_device *sdev)
1871{
1872 struct Scsi_Host *host = sdev->host;
1873 MPT_SCSI_HOST *hd = shost_priv(host);
1874 struct sas_rphy *rphy;
1875 struct mptsas_portinfo *p;
1876 VirtDevice *vdevice;
1877 struct scsi_target *starget;
1878 int i;
1879 MPT_ADAPTER *ioc = hd->ioc;
1880
1881 vdevice = kzalloc(sizeof(VirtDevice), GFP_KERNEL);
1882 if (!vdevice) {
1883 printk(MYIOC_s_ERR_FMT "slave_alloc kzalloc(%zd) FAILED!\n",
1884 ioc->name, sizeof(VirtDevice));
1885 return -ENOMEM;
1886 }
1887 starget = scsi_target(sdev);
1888 vdevice->vtarget = starget->hostdata;
1889
1890 if (sdev->channel == MPTSAS_RAID_CHANNEL)
1891 goto out;
1892
1893 rphy = dev_to_rphy(sdev->sdev_target->dev.parent);
1894 mutex_lock(&ioc->sas_topology_mutex);
1895 list_for_each_entry(p, &ioc->sas_topology, list) {
1896 for (i = 0; i < p->num_phys; i++) {
1897 if (p->phy_info[i].attached.sas_address !=
1898 rphy->identify.sas_address)
1899 continue;
1900 vdevice->lun = sdev->lun;
1901 /*
1902 * Exposing hidden raid components
1903 */
1904 if (mptscsih_is_phys_disk(ioc,
1905 p->phy_info[i].attached.channel,
1906 p->phy_info[i].attached.id))
1907 sdev->no_uld_attach = 1;
1908 mutex_unlock(&ioc->sas_topology_mutex);
1909 goto out;
1910 }
1911 }
1912 mutex_unlock(&ioc->sas_topology_mutex);
1913
1914 kfree(vdevice);
1915 return -ENXIO;
1916
1917 out:
1918 vdevice->vtarget->num_luns++;
1919 sdev->hostdata = vdevice;
1920 return 0;
1921}
1922
1923static int
1924mptsas_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *SCpnt)
1925{
1926 MPT_SCSI_HOST *hd;
1927 MPT_ADAPTER *ioc;
1928 VirtDevice *vdevice = SCpnt->device->hostdata;
1929
1930 if (!vdevice || !vdevice->vtarget || vdevice->vtarget->deleted) {
1931 SCpnt->result = DID_NO_CONNECT << 16;
1932 scsi_done(SCpnt);
1933 return 0;
1934 }
1935
1936 hd = shost_priv(shost);
1937 ioc = hd->ioc;
1938
1939 if (ioc->sas_discovery_quiesce_io)
1940 return SCSI_MLQUEUE_HOST_BUSY;
1941
1942 if (ioc->debug_level & MPT_DEBUG_SCSI)
1943 scsi_print_command(SCpnt);
1944
1945 return mptscsih_qcmd(SCpnt);
1946}
1947
1948/**
1949 * mptsas_eh_timed_out - resets the scsi_cmnd timeout
1950 * if the device under question is currently in the
1951 * device removal delay.
1952 * @sc: scsi command that the midlayer is about to time out
1953 *
1954 **/
1955static enum scsi_timeout_action mptsas_eh_timed_out(struct scsi_cmnd *sc)
1956{
1957 MPT_SCSI_HOST *hd;
1958 MPT_ADAPTER *ioc;
1959 VirtDevice *vdevice;
1960 enum scsi_timeout_action rc = SCSI_EH_NOT_HANDLED;
1961
1962 hd = shost_priv(sc->device->host);
1963 if (hd == NULL) {
1964 printk(KERN_ERR MYNAM ": %s: Can't locate host! (sc=%p)\n",
1965 __func__, sc);
1966 goto done;
1967 }
1968
1969 ioc = hd->ioc;
1970 if (ioc->bus_type != SAS) {
1971 printk(KERN_ERR MYNAM ": %s: Wrong bus type (sc=%p)\n",
1972 __func__, sc);
1973 goto done;
1974 }
1975
1976 /* In case if IOC is in reset from internal context.
1977 * Do not execute EEH for the same IOC. SML should to reset timer.
1978 */
1979 if (ioc->ioc_reset_in_progress) {
1980 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT ": %s: ioc is in reset,"
1981 "SML need to reset the timer (sc=%p)\n",
1982 ioc->name, __func__, sc));
1983 rc = SCSI_EH_RESET_TIMER;
1984 }
1985 vdevice = sc->device->hostdata;
1986 if (vdevice && vdevice->vtarget && (vdevice->vtarget->inDMD
1987 || vdevice->vtarget->deleted)) {
1988 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT ": %s: target removed "
1989 "or in device removal delay (sc=%p)\n",
1990 ioc->name, __func__, sc));
1991 rc = SCSI_EH_RESET_TIMER;
1992 goto done;
1993 }
1994
1995done:
1996 return rc;
1997}
1998
1999
2000static struct scsi_host_template mptsas_driver_template = {
2001 .module = THIS_MODULE,
2002 .proc_name = "mptsas",
2003 .show_info = mptscsih_show_info,
2004 .name = "MPT SAS Host",
2005 .info = mptscsih_info,
2006 .queuecommand = mptsas_qcmd,
2007 .target_alloc = mptsas_target_alloc,
2008 .slave_alloc = mptsas_slave_alloc,
2009 .slave_configure = mptsas_slave_configure,
2010 .target_destroy = mptsas_target_destroy,
2011 .slave_destroy = mptscsih_slave_destroy,
2012 .change_queue_depth = mptscsih_change_queue_depth,
2013 .eh_timed_out = mptsas_eh_timed_out,
2014 .eh_abort_handler = mptscsih_abort,
2015 .eh_device_reset_handler = mptscsih_dev_reset,
2016 .eh_host_reset_handler = mptscsih_host_reset,
2017 .bios_param = mptscsih_bios_param,
2018 .can_queue = MPT_SAS_CAN_QUEUE,
2019 .this_id = -1,
2020 .sg_tablesize = MPT_SCSI_SG_DEPTH,
2021 .max_sectors = 8192,
2022 .cmd_per_lun = 7,
2023 .shost_groups = mptscsih_host_attr_groups,
2024 .no_write_same = 1,
2025};
2026
2027static int mptsas_get_linkerrors(struct sas_phy *phy)
2028{
2029 MPT_ADAPTER *ioc = phy_to_ioc(phy);
2030 ConfigExtendedPageHeader_t hdr;
2031 CONFIGPARMS cfg;
2032 SasPhyPage1_t *buffer;
2033 dma_addr_t dma_handle;
2034 int error;
2035
2036 /* FIXME: only have link errors on local phys */
2037 if (!scsi_is_sas_phy_local(phy))
2038 return -EINVAL;
2039
2040 hdr.PageVersion = MPI_SASPHY1_PAGEVERSION;
2041 hdr.ExtPageLength = 0;
2042 hdr.PageNumber = 1 /* page number 1*/;
2043 hdr.Reserved1 = 0;
2044 hdr.Reserved2 = 0;
2045 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2046 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY;
2047
2048 cfg.cfghdr.ehdr = &hdr;
2049 cfg.physAddr = -1;
2050 cfg.pageAddr = phy->identify.phy_identifier;
2051 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2052 cfg.dir = 0; /* read */
2053 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2054
2055 error = mpt_config(ioc, &cfg);
2056 if (error)
2057 return error;
2058 if (!hdr.ExtPageLength)
2059 return -ENXIO;
2060
2061 buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4,
2062 &dma_handle, GFP_KERNEL);
2063 if (!buffer)
2064 return -ENOMEM;
2065
2066 cfg.physAddr = dma_handle;
2067 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2068
2069 error = mpt_config(ioc, &cfg);
2070 if (error)
2071 goto out_free_consistent;
2072
2073 mptsas_print_phy_pg1(ioc, buffer);
2074
2075 phy->invalid_dword_count = le32_to_cpu(buffer->InvalidDwordCount);
2076 phy->running_disparity_error_count =
2077 le32_to_cpu(buffer->RunningDisparityErrorCount);
2078 phy->loss_of_dword_sync_count =
2079 le32_to_cpu(buffer->LossDwordSynchCount);
2080 phy->phy_reset_problem_count =
2081 le32_to_cpu(buffer->PhyResetProblemCount);
2082
2083 out_free_consistent:
2084 dma_free_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, buffer,
2085 dma_handle);
2086 return error;
2087}
2088
2089static int mptsas_mgmt_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2090 MPT_FRAME_HDR *reply)
2091{
2092 ioc->sas_mgmt.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2093 if (reply != NULL) {
2094 ioc->sas_mgmt.status |= MPT_MGMT_STATUS_RF_VALID;
2095 memcpy(ioc->sas_mgmt.reply, reply,
2096 min(ioc->reply_sz, 4 * reply->u.reply.MsgLength));
2097 }
2098
2099 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_PENDING) {
2100 ioc->sas_mgmt.status &= ~MPT_MGMT_STATUS_PENDING;
2101 complete(&ioc->sas_mgmt.done);
2102 return 1;
2103 }
2104 return 0;
2105}
2106
2107static int mptsas_phy_reset(struct sas_phy *phy, int hard_reset)
2108{
2109 MPT_ADAPTER *ioc = phy_to_ioc(phy);
2110 SasIoUnitControlRequest_t *req;
2111 SasIoUnitControlReply_t *reply;
2112 MPT_FRAME_HDR *mf;
2113 MPIHeader_t *hdr;
2114 unsigned long timeleft;
2115 int error = -ERESTARTSYS;
2116
2117 /* FIXME: fusion doesn't allow non-local phy reset */
2118 if (!scsi_is_sas_phy_local(phy))
2119 return -EINVAL;
2120
2121 /* not implemented for expanders */
2122 if (phy->identify.target_port_protocols & SAS_PROTOCOL_SMP)
2123 return -ENXIO;
2124
2125 if (mutex_lock_interruptible(&ioc->sas_mgmt.mutex))
2126 goto out;
2127
2128 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
2129 if (!mf) {
2130 error = -ENOMEM;
2131 goto out_unlock;
2132 }
2133
2134 hdr = (MPIHeader_t *) mf;
2135 req = (SasIoUnitControlRequest_t *)mf;
2136 memset(req, 0, sizeof(SasIoUnitControlRequest_t));
2137 req->Function = MPI_FUNCTION_SAS_IO_UNIT_CONTROL;
2138 req->MsgContext = hdr->MsgContext;
2139 req->Operation = hard_reset ?
2140 MPI_SAS_OP_PHY_HARD_RESET : MPI_SAS_OP_PHY_LINK_RESET;
2141 req->PhyNum = phy->identify.phy_identifier;
2142
2143 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status)
2144 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
2145
2146 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done,
2147 10 * HZ);
2148 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2149 error = -ETIME;
2150 mpt_free_msg_frame(ioc, mf);
2151 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
2152 goto out_unlock;
2153 if (!timeleft)
2154 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2155 goto out_unlock;
2156 }
2157
2158 /* a reply frame is expected */
2159 if ((ioc->sas_mgmt.status &
2160 MPT_MGMT_STATUS_RF_VALID) == 0) {
2161 error = -ENXIO;
2162 goto out_unlock;
2163 }
2164
2165 /* process the completed Reply Message Frame */
2166 reply = (SasIoUnitControlReply_t *)ioc->sas_mgmt.reply;
2167 if (reply->IOCStatus != MPI_IOCSTATUS_SUCCESS) {
2168 printk(MYIOC_s_INFO_FMT "%s: IOCStatus=0x%X IOCLogInfo=0x%X\n",
2169 ioc->name, __func__, reply->IOCStatus, reply->IOCLogInfo);
2170 error = -ENXIO;
2171 goto out_unlock;
2172 }
2173
2174 error = 0;
2175
2176 out_unlock:
2177 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status)
2178 mutex_unlock(&ioc->sas_mgmt.mutex);
2179 out:
2180 return error;
2181}
2182
2183static int
2184mptsas_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier)
2185{
2186 MPT_ADAPTER *ioc = rphy_to_ioc(rphy);
2187 int i, error;
2188 struct mptsas_portinfo *p;
2189 struct mptsas_enclosure enclosure_info;
2190 u64 enclosure_handle;
2191
2192 mutex_lock(&ioc->sas_topology_mutex);
2193 list_for_each_entry(p, &ioc->sas_topology, list) {
2194 for (i = 0; i < p->num_phys; i++) {
2195 if (p->phy_info[i].attached.sas_address ==
2196 rphy->identify.sas_address) {
2197 enclosure_handle = p->phy_info[i].
2198 attached.handle_enclosure;
2199 goto found_info;
2200 }
2201 }
2202 }
2203 mutex_unlock(&ioc->sas_topology_mutex);
2204 return -ENXIO;
2205
2206 found_info:
2207 mutex_unlock(&ioc->sas_topology_mutex);
2208 memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure));
2209 error = mptsas_sas_enclosure_pg0(ioc, &enclosure_info,
2210 (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE <<
2211 MPI_SAS_ENCLOS_PGAD_FORM_SHIFT), enclosure_handle);
2212 if (!error)
2213 *identifier = enclosure_info.enclosure_logical_id;
2214 return error;
2215}
2216
2217static int
2218mptsas_get_bay_identifier(struct sas_rphy *rphy)
2219{
2220 MPT_ADAPTER *ioc = rphy_to_ioc(rphy);
2221 struct mptsas_portinfo *p;
2222 int i, rc;
2223
2224 mutex_lock(&ioc->sas_topology_mutex);
2225 list_for_each_entry(p, &ioc->sas_topology, list) {
2226 for (i = 0; i < p->num_phys; i++) {
2227 if (p->phy_info[i].attached.sas_address ==
2228 rphy->identify.sas_address) {
2229 rc = p->phy_info[i].attached.slot;
2230 goto out;
2231 }
2232 }
2233 }
2234 rc = -ENXIO;
2235 out:
2236 mutex_unlock(&ioc->sas_topology_mutex);
2237 return rc;
2238}
2239
2240static void mptsas_smp_handler(struct bsg_job *job, struct Scsi_Host *shost,
2241 struct sas_rphy *rphy)
2242{
2243 MPT_ADAPTER *ioc = ((MPT_SCSI_HOST *) shost->hostdata)->ioc;
2244 MPT_FRAME_HDR *mf;
2245 SmpPassthroughRequest_t *smpreq;
2246 int flagsLength;
2247 unsigned long timeleft;
2248 char *psge;
2249 u64 sas_address = 0;
2250 unsigned int reslen = 0;
2251 int ret = -EINVAL;
2252
2253 /* do we need to support multiple segments? */
2254 if (job->request_payload.sg_cnt > 1 ||
2255 job->reply_payload.sg_cnt > 1) {
2256 printk(MYIOC_s_ERR_FMT "%s: multiple segments req %u, rsp %u\n",
2257 ioc->name, __func__, job->request_payload.payload_len,
2258 job->reply_payload.payload_len);
2259 goto out;
2260 }
2261
2262 ret = mutex_lock_interruptible(&ioc->sas_mgmt.mutex);
2263 if (ret)
2264 goto out;
2265
2266 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
2267 if (!mf) {
2268 ret = -ENOMEM;
2269 goto out_unlock;
2270 }
2271
2272 smpreq = (SmpPassthroughRequest_t *)mf;
2273 memset(smpreq, 0, sizeof(*smpreq));
2274
2275 smpreq->RequestDataLength =
2276 cpu_to_le16(job->request_payload.payload_len - 4);
2277 smpreq->Function = MPI_FUNCTION_SMP_PASSTHROUGH;
2278
2279 if (rphy)
2280 sas_address = rphy->identify.sas_address;
2281 else {
2282 struct mptsas_portinfo *port_info;
2283
2284 mutex_lock(&ioc->sas_topology_mutex);
2285 port_info = ioc->hba_port_info;
2286 if (port_info && port_info->phy_info)
2287 sas_address =
2288 port_info->phy_info[0].phy->identify.sas_address;
2289 mutex_unlock(&ioc->sas_topology_mutex);
2290 }
2291
2292 *((u64 *)&smpreq->SASAddress) = cpu_to_le64(sas_address);
2293
2294 psge = (char *)
2295 (((int *) mf) + (offsetof(SmpPassthroughRequest_t, SGL) / 4));
2296
2297 /* request */
2298 flagsLength = (MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2299 MPI_SGE_FLAGS_END_OF_BUFFER |
2300 MPI_SGE_FLAGS_DIRECTION)
2301 << MPI_SGE_FLAGS_SHIFT;
2302
2303 if (!dma_map_sg(&ioc->pcidev->dev, job->request_payload.sg_list,
2304 1, DMA_BIDIRECTIONAL))
2305 goto put_mf;
2306
2307 flagsLength |= (sg_dma_len(job->request_payload.sg_list) - 4);
2308 ioc->add_sge(psge, flagsLength,
2309 sg_dma_address(job->request_payload.sg_list));
2310 psge += ioc->SGE_size;
2311
2312 /* response */
2313 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2314 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
2315 MPI_SGE_FLAGS_IOC_TO_HOST |
2316 MPI_SGE_FLAGS_END_OF_BUFFER;
2317
2318 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT;
2319
2320 if (!dma_map_sg(&ioc->pcidev->dev, job->reply_payload.sg_list,
2321 1, DMA_BIDIRECTIONAL))
2322 goto unmap_out;
2323 flagsLength |= sg_dma_len(job->reply_payload.sg_list) + 4;
2324 ioc->add_sge(psge, flagsLength,
2325 sg_dma_address(job->reply_payload.sg_list));
2326
2327 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status)
2328 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
2329
2330 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done, 10 * HZ);
2331 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2332 ret = -ETIME;
2333 mpt_free_msg_frame(ioc, mf);
2334 mf = NULL;
2335 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
2336 goto unmap_in;
2337 if (!timeleft)
2338 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2339 goto unmap_in;
2340 }
2341 mf = NULL;
2342
2343 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_RF_VALID) {
2344 SmpPassthroughReply_t *smprep;
2345
2346 smprep = (SmpPassthroughReply_t *)ioc->sas_mgmt.reply;
2347 memcpy(job->reply, smprep, sizeof(*smprep));
2348 job->reply_len = sizeof(*smprep);
2349 reslen = smprep->ResponseDataLength;
2350 } else {
2351 printk(MYIOC_s_ERR_FMT
2352 "%s: smp passthru reply failed to be returned\n",
2353 ioc->name, __func__);
2354 ret = -ENXIO;
2355 }
2356
2357unmap_in:
2358 dma_unmap_sg(&ioc->pcidev->dev, job->reply_payload.sg_list, 1,
2359 DMA_BIDIRECTIONAL);
2360unmap_out:
2361 dma_unmap_sg(&ioc->pcidev->dev, job->request_payload.sg_list, 1,
2362 DMA_BIDIRECTIONAL);
2363put_mf:
2364 if (mf)
2365 mpt_free_msg_frame(ioc, mf);
2366out_unlock:
2367 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status)
2368 mutex_unlock(&ioc->sas_mgmt.mutex);
2369out:
2370 bsg_job_done(job, ret, reslen);
2371}
2372
2373static struct sas_function_template mptsas_transport_functions = {
2374 .get_linkerrors = mptsas_get_linkerrors,
2375 .get_enclosure_identifier = mptsas_get_enclosure_identifier,
2376 .get_bay_identifier = mptsas_get_bay_identifier,
2377 .phy_reset = mptsas_phy_reset,
2378 .smp_handler = mptsas_smp_handler,
2379};
2380
2381static struct scsi_transport_template *mptsas_transport_template;
2382
2383static int
2384mptsas_sas_io_unit_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
2385{
2386 ConfigExtendedPageHeader_t hdr;
2387 CONFIGPARMS cfg;
2388 SasIOUnitPage0_t *buffer;
2389 dma_addr_t dma_handle;
2390 int error, i;
2391
2392 hdr.PageVersion = MPI_SASIOUNITPAGE0_PAGEVERSION;
2393 hdr.ExtPageLength = 0;
2394 hdr.PageNumber = 0;
2395 hdr.Reserved1 = 0;
2396 hdr.Reserved2 = 0;
2397 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2398 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
2399
2400 cfg.cfghdr.ehdr = &hdr;
2401 cfg.physAddr = -1;
2402 cfg.pageAddr = 0;
2403 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2404 cfg.dir = 0; /* read */
2405 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2406
2407 error = mpt_config(ioc, &cfg);
2408 if (error)
2409 goto out;
2410 if (!hdr.ExtPageLength) {
2411 error = -ENXIO;
2412 goto out;
2413 }
2414
2415 buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4,
2416 &dma_handle, GFP_KERNEL);
2417 if (!buffer) {
2418 error = -ENOMEM;
2419 goto out;
2420 }
2421
2422 cfg.physAddr = dma_handle;
2423 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2424
2425 error = mpt_config(ioc, &cfg);
2426 if (error)
2427 goto out_free_consistent;
2428
2429 port_info->num_phys = buffer->NumPhys;
2430 port_info->phy_info = kcalloc(port_info->num_phys,
2431 sizeof(struct mptsas_phyinfo), GFP_KERNEL);
2432 if (!port_info->phy_info) {
2433 error = -ENOMEM;
2434 goto out_free_consistent;
2435 }
2436
2437 ioc->nvdata_version_persistent =
2438 le16_to_cpu(buffer->NvdataVersionPersistent);
2439 ioc->nvdata_version_default =
2440 le16_to_cpu(buffer->NvdataVersionDefault);
2441
2442 for (i = 0; i < port_info->num_phys; i++) {
2443 mptsas_print_phy_data(ioc, &buffer->PhyData[i]);
2444 port_info->phy_info[i].phy_id = i;
2445 port_info->phy_info[i].port_id =
2446 buffer->PhyData[i].Port;
2447 port_info->phy_info[i].negotiated_link_rate =
2448 buffer->PhyData[i].NegotiatedLinkRate;
2449 port_info->phy_info[i].portinfo = port_info;
2450 port_info->phy_info[i].handle =
2451 le16_to_cpu(buffer->PhyData[i].ControllerDevHandle);
2452 }
2453
2454 out_free_consistent:
2455 dma_free_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, buffer,
2456 dma_handle);
2457 out:
2458 return error;
2459}
2460
2461static int
2462mptsas_sas_io_unit_pg1(MPT_ADAPTER *ioc)
2463{
2464 ConfigExtendedPageHeader_t hdr;
2465 CONFIGPARMS cfg;
2466 SasIOUnitPage1_t *buffer;
2467 dma_addr_t dma_handle;
2468 int error;
2469 u8 device_missing_delay;
2470
2471 memset(&hdr, 0, sizeof(ConfigExtendedPageHeader_t));
2472 memset(&cfg, 0, sizeof(CONFIGPARMS));
2473
2474 cfg.cfghdr.ehdr = &hdr;
2475 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2476 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2477 cfg.cfghdr.ehdr->PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2478 cfg.cfghdr.ehdr->ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
2479 cfg.cfghdr.ehdr->PageVersion = MPI_SASIOUNITPAGE1_PAGEVERSION;
2480 cfg.cfghdr.ehdr->PageNumber = 1;
2481
2482 error = mpt_config(ioc, &cfg);
2483 if (error)
2484 goto out;
2485 if (!hdr.ExtPageLength) {
2486 error = -ENXIO;
2487 goto out;
2488 }
2489
2490 buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4,
2491 &dma_handle, GFP_KERNEL);
2492 if (!buffer) {
2493 error = -ENOMEM;
2494 goto out;
2495 }
2496
2497 cfg.physAddr = dma_handle;
2498 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2499
2500 error = mpt_config(ioc, &cfg);
2501 if (error)
2502 goto out_free_consistent;
2503
2504 ioc->io_missing_delay =
2505 le16_to_cpu(buffer->IODeviceMissingDelay);
2506 device_missing_delay = buffer->ReportDeviceMissingDelay;
2507 ioc->device_missing_delay = (device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_UNIT_16) ?
2508 (device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16 :
2509 device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
2510
2511 out_free_consistent:
2512 dma_free_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, buffer,
2513 dma_handle);
2514 out:
2515 return error;
2516}
2517
2518static int
2519mptsas_sas_phy_pg0(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
2520 u32 form, u32 form_specific)
2521{
2522 ConfigExtendedPageHeader_t hdr;
2523 CONFIGPARMS cfg;
2524 SasPhyPage0_t *buffer;
2525 dma_addr_t dma_handle;
2526 int error;
2527
2528 hdr.PageVersion = MPI_SASPHY0_PAGEVERSION;
2529 hdr.ExtPageLength = 0;
2530 hdr.PageNumber = 0;
2531 hdr.Reserved1 = 0;
2532 hdr.Reserved2 = 0;
2533 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2534 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY;
2535
2536 cfg.cfghdr.ehdr = &hdr;
2537 cfg.dir = 0; /* read */
2538 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2539
2540 /* Get Phy Pg 0 for each Phy. */
2541 cfg.physAddr = -1;
2542 cfg.pageAddr = form + form_specific;
2543 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2544
2545 error = mpt_config(ioc, &cfg);
2546 if (error)
2547 goto out;
2548
2549 if (!hdr.ExtPageLength) {
2550 error = -ENXIO;
2551 goto out;
2552 }
2553
2554 buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4,
2555 &dma_handle, GFP_KERNEL);
2556 if (!buffer) {
2557 error = -ENOMEM;
2558 goto out;
2559 }
2560
2561 cfg.physAddr = dma_handle;
2562 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2563
2564 error = mpt_config(ioc, &cfg);
2565 if (error)
2566 goto out_free_consistent;
2567
2568 mptsas_print_phy_pg0(ioc, buffer);
2569
2570 phy_info->hw_link_rate = buffer->HwLinkRate;
2571 phy_info->programmed_link_rate = buffer->ProgrammedLinkRate;
2572 phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle);
2573 phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle);
2574
2575 out_free_consistent:
2576 dma_free_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, buffer,
2577 dma_handle);
2578 out:
2579 return error;
2580}
2581
2582static int
2583mptsas_sas_device_pg0(MPT_ADAPTER *ioc, struct mptsas_devinfo *device_info,
2584 u32 form, u32 form_specific)
2585{
2586 ConfigExtendedPageHeader_t hdr;
2587 CONFIGPARMS cfg;
2588 SasDevicePage0_t *buffer;
2589 dma_addr_t dma_handle;
2590 __le64 sas_address;
2591 int error=0;
2592
2593 hdr.PageVersion = MPI_SASDEVICE0_PAGEVERSION;
2594 hdr.ExtPageLength = 0;
2595 hdr.PageNumber = 0;
2596 hdr.Reserved1 = 0;
2597 hdr.Reserved2 = 0;
2598 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2599 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE;
2600
2601 cfg.cfghdr.ehdr = &hdr;
2602 cfg.pageAddr = form + form_specific;
2603 cfg.physAddr = -1;
2604 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2605 cfg.dir = 0; /* read */
2606 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2607
2608 memset(device_info, 0, sizeof(struct mptsas_devinfo));
2609 error = mpt_config(ioc, &cfg);
2610 if (error)
2611 goto out;
2612 if (!hdr.ExtPageLength) {
2613 error = -ENXIO;
2614 goto out;
2615 }
2616
2617 buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4,
2618 &dma_handle, GFP_KERNEL);
2619 if (!buffer) {
2620 error = -ENOMEM;
2621 goto out;
2622 }
2623
2624 cfg.physAddr = dma_handle;
2625 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2626
2627 error = mpt_config(ioc, &cfg);
2628
2629 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
2630 error = -ENODEV;
2631 goto out_free_consistent;
2632 }
2633
2634 if (error)
2635 goto out_free_consistent;
2636
2637 mptsas_print_device_pg0(ioc, buffer);
2638
2639 memset(device_info, 0, sizeof(struct mptsas_devinfo));
2640 device_info->handle = le16_to_cpu(buffer->DevHandle);
2641 device_info->handle_parent = le16_to_cpu(buffer->ParentDevHandle);
2642 device_info->handle_enclosure =
2643 le16_to_cpu(buffer->EnclosureHandle);
2644 device_info->slot = le16_to_cpu(buffer->Slot);
2645 device_info->phy_id = buffer->PhyNum;
2646 device_info->port_id = buffer->PhysicalPort;
2647 device_info->id = buffer->TargetID;
2648 device_info->phys_disk_num = ~0;
2649 device_info->channel = buffer->Bus;
2650 memcpy(&sas_address, &buffer->SASAddress, sizeof(__le64));
2651 device_info->sas_address = le64_to_cpu(sas_address);
2652 device_info->device_info =
2653 le32_to_cpu(buffer->DeviceInfo);
2654 device_info->flags = le16_to_cpu(buffer->Flags);
2655
2656 out_free_consistent:
2657 dma_free_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, buffer,
2658 dma_handle);
2659 out:
2660 return error;
2661}
2662
2663static int
2664mptsas_sas_expander_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info,
2665 u32 form, u32 form_specific)
2666{
2667 ConfigExtendedPageHeader_t hdr;
2668 CONFIGPARMS cfg;
2669 SasExpanderPage0_t *buffer;
2670 dma_addr_t dma_handle;
2671 int i, error;
2672 __le64 sas_address;
2673
2674 memset(port_info, 0, sizeof(struct mptsas_portinfo));
2675 hdr.PageVersion = MPI_SASEXPANDER0_PAGEVERSION;
2676 hdr.ExtPageLength = 0;
2677 hdr.PageNumber = 0;
2678 hdr.Reserved1 = 0;
2679 hdr.Reserved2 = 0;
2680 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2681 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
2682
2683 cfg.cfghdr.ehdr = &hdr;
2684 cfg.physAddr = -1;
2685 cfg.pageAddr = form + form_specific;
2686 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2687 cfg.dir = 0; /* read */
2688 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2689
2690 memset(port_info, 0, sizeof(struct mptsas_portinfo));
2691 error = mpt_config(ioc, &cfg);
2692 if (error)
2693 goto out;
2694
2695 if (!hdr.ExtPageLength) {
2696 error = -ENXIO;
2697 goto out;
2698 }
2699
2700 buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4,
2701 &dma_handle, GFP_KERNEL);
2702 if (!buffer) {
2703 error = -ENOMEM;
2704 goto out;
2705 }
2706
2707 cfg.physAddr = dma_handle;
2708 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2709
2710 error = mpt_config(ioc, &cfg);
2711 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
2712 error = -ENODEV;
2713 goto out_free_consistent;
2714 }
2715
2716 if (error)
2717 goto out_free_consistent;
2718
2719 /* save config data */
2720 port_info->num_phys = (buffer->NumPhys) ? buffer->NumPhys : 1;
2721 port_info->phy_info = kcalloc(port_info->num_phys,
2722 sizeof(struct mptsas_phyinfo), GFP_KERNEL);
2723 if (!port_info->phy_info) {
2724 error = -ENOMEM;
2725 goto out_free_consistent;
2726 }
2727
2728 memcpy(&sas_address, &buffer->SASAddress, sizeof(__le64));
2729 for (i = 0; i < port_info->num_phys; i++) {
2730 port_info->phy_info[i].portinfo = port_info;
2731 port_info->phy_info[i].handle =
2732 le16_to_cpu(buffer->DevHandle);
2733 port_info->phy_info[i].identify.sas_address =
2734 le64_to_cpu(sas_address);
2735 port_info->phy_info[i].identify.handle_parent =
2736 le16_to_cpu(buffer->ParentDevHandle);
2737 }
2738
2739 out_free_consistent:
2740 dma_free_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, buffer,
2741 dma_handle);
2742 out:
2743 return error;
2744}
2745
2746static int
2747mptsas_sas_expander_pg1(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
2748 u32 form, u32 form_specific)
2749{
2750 ConfigExtendedPageHeader_t hdr;
2751 CONFIGPARMS cfg;
2752 SasExpanderPage1_t *buffer;
2753 dma_addr_t dma_handle;
2754 int error=0;
2755
2756 hdr.PageVersion = MPI_SASEXPANDER1_PAGEVERSION;
2757 hdr.ExtPageLength = 0;
2758 hdr.PageNumber = 1;
2759 hdr.Reserved1 = 0;
2760 hdr.Reserved2 = 0;
2761 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2762 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
2763
2764 cfg.cfghdr.ehdr = &hdr;
2765 cfg.physAddr = -1;
2766 cfg.pageAddr = form + form_specific;
2767 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2768 cfg.dir = 0; /* read */
2769 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2770
2771 error = mpt_config(ioc, &cfg);
2772 if (error)
2773 goto out;
2774
2775 if (!hdr.ExtPageLength) {
2776 error = -ENXIO;
2777 goto out;
2778 }
2779
2780 buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4,
2781 &dma_handle, GFP_KERNEL);
2782 if (!buffer) {
2783 error = -ENOMEM;
2784 goto out;
2785 }
2786
2787 cfg.physAddr = dma_handle;
2788 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2789
2790 error = mpt_config(ioc, &cfg);
2791
2792 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
2793 error = -ENODEV;
2794 goto out_free_consistent;
2795 }
2796
2797 if (error)
2798 goto out_free_consistent;
2799
2800
2801 mptsas_print_expander_pg1(ioc, buffer);
2802
2803 /* save config data */
2804 phy_info->phy_id = buffer->PhyIdentifier;
2805 phy_info->port_id = buffer->PhysicalPort;
2806 phy_info->negotiated_link_rate = buffer->NegotiatedLinkRate;
2807 phy_info->programmed_link_rate = buffer->ProgrammedLinkRate;
2808 phy_info->hw_link_rate = buffer->HwLinkRate;
2809 phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle);
2810 phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle);
2811
2812 out_free_consistent:
2813 dma_free_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, buffer,
2814 dma_handle);
2815 out:
2816 return error;
2817}
2818
2819struct rep_manu_request{
2820 u8 smp_frame_type;
2821 u8 function;
2822 u8 reserved;
2823 u8 request_length;
2824};
2825
2826struct rep_manu_reply{
2827 u8 smp_frame_type; /* 0x41 */
2828 u8 function; /* 0x01 */
2829 u8 function_result;
2830 u8 response_length;
2831 u16 expander_change_count;
2832 u8 reserved0[2];
2833 u8 sas_format:1;
2834 u8 reserved1:7;
2835 u8 reserved2[3];
2836 u8 vendor_id[SAS_EXPANDER_VENDOR_ID_LEN];
2837 u8 product_id[SAS_EXPANDER_PRODUCT_ID_LEN];
2838 u8 product_rev[SAS_EXPANDER_PRODUCT_REV_LEN];
2839 u8 component_vendor_id[SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN];
2840 u16 component_id;
2841 u8 component_revision_id;
2842 u8 reserved3;
2843 u8 vendor_specific[8];
2844};
2845
2846/**
2847 * mptsas_exp_repmanufacture_info - sets expander manufacturer info
2848 * @ioc: per adapter object
2849 * @sas_address: expander sas address
2850 * @edev: the sas_expander_device object
2851 *
2852 * For an edge expander or a fanout expander:
2853 * fills in the sas_expander_device object when SMP port is created.
2854 *
2855 * Return: 0 for success, non-zero for failure.
2856 */
2857static int
2858mptsas_exp_repmanufacture_info(MPT_ADAPTER *ioc,
2859 u64 sas_address, struct sas_expander_device *edev)
2860{
2861 MPT_FRAME_HDR *mf;
2862 SmpPassthroughRequest_t *smpreq;
2863 SmpPassthroughReply_t *smprep;
2864 struct rep_manu_reply *manufacture_reply;
2865 struct rep_manu_request *manufacture_request;
2866 int ret;
2867 int flagsLength;
2868 unsigned long timeleft;
2869 char *psge;
2870 unsigned long flags;
2871 void *data_out = NULL;
2872 dma_addr_t data_out_dma = 0;
2873 u32 sz;
2874
2875 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2876 if (ioc->ioc_reset_in_progress) {
2877 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2878 printk(MYIOC_s_INFO_FMT "%s: host reset in progress!\n",
2879 __func__, ioc->name);
2880 return -EFAULT;
2881 }
2882 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2883
2884 ret = mutex_lock_interruptible(&ioc->sas_mgmt.mutex);
2885 if (ret)
2886 goto out;
2887
2888 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
2889 if (!mf) {
2890 ret = -ENOMEM;
2891 goto out_unlock;
2892 }
2893
2894 smpreq = (SmpPassthroughRequest_t *)mf;
2895 memset(smpreq, 0, sizeof(*smpreq));
2896
2897 sz = sizeof(struct rep_manu_request) + sizeof(struct rep_manu_reply);
2898
2899 data_out = dma_alloc_coherent(&ioc->pcidev->dev, sz, &data_out_dma,
2900 GFP_KERNEL);
2901 if (!data_out) {
2902 printk(KERN_ERR "Memory allocation failure at %s:%d/%s()!\n",
2903 __FILE__, __LINE__, __func__);
2904 ret = -ENOMEM;
2905 goto put_mf;
2906 }
2907
2908 manufacture_request = data_out;
2909 manufacture_request->smp_frame_type = 0x40;
2910 manufacture_request->function = 1;
2911 manufacture_request->reserved = 0;
2912 manufacture_request->request_length = 0;
2913
2914 smpreq->Function = MPI_FUNCTION_SMP_PASSTHROUGH;
2915 smpreq->PhysicalPort = 0xFF;
2916 *((u64 *)&smpreq->SASAddress) = cpu_to_le64(sas_address);
2917 smpreq->RequestDataLength = sizeof(struct rep_manu_request);
2918
2919 psge = (char *)
2920 (((int *) mf) + (offsetof(SmpPassthroughRequest_t, SGL) / 4));
2921
2922 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2923 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
2924 MPI_SGE_FLAGS_HOST_TO_IOC |
2925 MPI_SGE_FLAGS_END_OF_BUFFER;
2926 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT;
2927 flagsLength |= sizeof(struct rep_manu_request);
2928
2929 ioc->add_sge(psge, flagsLength, data_out_dma);
2930 psge += ioc->SGE_size;
2931
2932 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2933 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
2934 MPI_SGE_FLAGS_IOC_TO_HOST |
2935 MPI_SGE_FLAGS_END_OF_BUFFER;
2936 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT;
2937 flagsLength |= sizeof(struct rep_manu_reply);
2938 ioc->add_sge(psge, flagsLength, data_out_dma +
2939 sizeof(struct rep_manu_request));
2940
2941 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status)
2942 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
2943
2944 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done, 10 * HZ);
2945 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2946 ret = -ETIME;
2947 mpt_free_msg_frame(ioc, mf);
2948 mf = NULL;
2949 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
2950 goto out_free;
2951 if (!timeleft)
2952 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2953 goto out_free;
2954 }
2955
2956 mf = NULL;
2957
2958 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_RF_VALID) {
2959 u8 *tmp;
2960
2961 smprep = (SmpPassthroughReply_t *)ioc->sas_mgmt.reply;
2962 if (le16_to_cpu(smprep->ResponseDataLength) !=
2963 sizeof(struct rep_manu_reply))
2964 goto out_free;
2965
2966 manufacture_reply = data_out + sizeof(struct rep_manu_request);
2967 strncpy(edev->vendor_id, manufacture_reply->vendor_id,
2968 SAS_EXPANDER_VENDOR_ID_LEN);
2969 strncpy(edev->product_id, manufacture_reply->product_id,
2970 SAS_EXPANDER_PRODUCT_ID_LEN);
2971 strncpy(edev->product_rev, manufacture_reply->product_rev,
2972 SAS_EXPANDER_PRODUCT_REV_LEN);
2973 edev->level = manufacture_reply->sas_format;
2974 if (manufacture_reply->sas_format) {
2975 strncpy(edev->component_vendor_id,
2976 manufacture_reply->component_vendor_id,
2977 SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN);
2978 tmp = (u8 *)&manufacture_reply->component_id;
2979 edev->component_id = tmp[0] << 8 | tmp[1];
2980 edev->component_revision_id =
2981 manufacture_reply->component_revision_id;
2982 }
2983 } else {
2984 printk(MYIOC_s_ERR_FMT
2985 "%s: smp passthru reply failed to be returned\n",
2986 ioc->name, __func__);
2987 ret = -ENXIO;
2988 }
2989out_free:
2990 if (data_out_dma)
2991 dma_free_coherent(&ioc->pcidev->dev, sz, data_out,
2992 data_out_dma);
2993put_mf:
2994 if (mf)
2995 mpt_free_msg_frame(ioc, mf);
2996out_unlock:
2997 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status)
2998 mutex_unlock(&ioc->sas_mgmt.mutex);
2999out:
3000 return ret;
3001}
3002
3003static void
3004mptsas_parse_device_info(struct sas_identify *identify,
3005 struct mptsas_devinfo *device_info)
3006{
3007 u16 protocols;
3008
3009 identify->sas_address = device_info->sas_address;
3010 identify->phy_identifier = device_info->phy_id;
3011
3012 /*
3013 * Fill in Phy Initiator Port Protocol.
3014 * Bits 6:3, more than one bit can be set, fall through cases.
3015 */
3016 protocols = device_info->device_info & 0x78;
3017 identify->initiator_port_protocols = 0;
3018 if (protocols & MPI_SAS_DEVICE_INFO_SSP_INITIATOR)
3019 identify->initiator_port_protocols |= SAS_PROTOCOL_SSP;
3020 if (protocols & MPI_SAS_DEVICE_INFO_STP_INITIATOR)
3021 identify->initiator_port_protocols |= SAS_PROTOCOL_STP;
3022 if (protocols & MPI_SAS_DEVICE_INFO_SMP_INITIATOR)
3023 identify->initiator_port_protocols |= SAS_PROTOCOL_SMP;
3024 if (protocols & MPI_SAS_DEVICE_INFO_SATA_HOST)
3025 identify->initiator_port_protocols |= SAS_PROTOCOL_SATA;
3026
3027 /*
3028 * Fill in Phy Target Port Protocol.
3029 * Bits 10:7, more than one bit can be set, fall through cases.
3030 */
3031 protocols = device_info->device_info & 0x780;
3032 identify->target_port_protocols = 0;
3033 if (protocols & MPI_SAS_DEVICE_INFO_SSP_TARGET)
3034 identify->target_port_protocols |= SAS_PROTOCOL_SSP;
3035 if (protocols & MPI_SAS_DEVICE_INFO_STP_TARGET)
3036 identify->target_port_protocols |= SAS_PROTOCOL_STP;
3037 if (protocols & MPI_SAS_DEVICE_INFO_SMP_TARGET)
3038 identify->target_port_protocols |= SAS_PROTOCOL_SMP;
3039 if (protocols & MPI_SAS_DEVICE_INFO_SATA_DEVICE)
3040 identify->target_port_protocols |= SAS_PROTOCOL_SATA;
3041
3042 /*
3043 * Fill in Attached device type.
3044 */
3045 switch (device_info->device_info &
3046 MPI_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) {
3047 case MPI_SAS_DEVICE_INFO_NO_DEVICE:
3048 identify->device_type = SAS_PHY_UNUSED;
3049 break;
3050 case MPI_SAS_DEVICE_INFO_END_DEVICE:
3051 identify->device_type = SAS_END_DEVICE;
3052 break;
3053 case MPI_SAS_DEVICE_INFO_EDGE_EXPANDER:
3054 identify->device_type = SAS_EDGE_EXPANDER_DEVICE;
3055 break;
3056 case MPI_SAS_DEVICE_INFO_FANOUT_EXPANDER:
3057 identify->device_type = SAS_FANOUT_EXPANDER_DEVICE;
3058 break;
3059 }
3060}
3061
3062static int mptsas_probe_one_phy(struct device *dev,
3063 struct mptsas_phyinfo *phy_info, int index, int local)
3064{
3065 MPT_ADAPTER *ioc;
3066 struct sas_phy *phy;
3067 struct sas_port *port;
3068 int error = 0;
3069 VirtTarget *vtarget;
3070
3071 if (!dev) {
3072 error = -ENODEV;
3073 goto out;
3074 }
3075
3076 if (!phy_info->phy) {
3077 phy = sas_phy_alloc(dev, index);
3078 if (!phy) {
3079 error = -ENOMEM;
3080 goto out;
3081 }
3082 } else
3083 phy = phy_info->phy;
3084
3085 mptsas_parse_device_info(&phy->identify, &phy_info->identify);
3086
3087 /*
3088 * Set Negotiated link rate.
3089 */
3090 switch (phy_info->negotiated_link_rate) {
3091 case MPI_SAS_IOUNIT0_RATE_PHY_DISABLED:
3092 phy->negotiated_linkrate = SAS_PHY_DISABLED;
3093 break;
3094 case MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION:
3095 phy->negotiated_linkrate = SAS_LINK_RATE_FAILED;
3096 break;
3097 case MPI_SAS_IOUNIT0_RATE_1_5:
3098 phy->negotiated_linkrate = SAS_LINK_RATE_1_5_GBPS;
3099 break;
3100 case MPI_SAS_IOUNIT0_RATE_3_0:
3101 phy->negotiated_linkrate = SAS_LINK_RATE_3_0_GBPS;
3102 break;
3103 case MPI_SAS_IOUNIT0_RATE_6_0:
3104 phy->negotiated_linkrate = SAS_LINK_RATE_6_0_GBPS;
3105 break;
3106 case MPI_SAS_IOUNIT0_RATE_SATA_OOB_COMPLETE:
3107 case MPI_SAS_IOUNIT0_RATE_UNKNOWN:
3108 default:
3109 phy->negotiated_linkrate = SAS_LINK_RATE_UNKNOWN;
3110 break;
3111 }
3112
3113 /*
3114 * Set Max hardware link rate.
3115 */
3116 switch (phy_info->hw_link_rate & MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) {
3117 case MPI_SAS_PHY0_HWRATE_MAX_RATE_1_5:
3118 phy->maximum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3119 break;
3120 case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0:
3121 phy->maximum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS;
3122 break;
3123 default:
3124 break;
3125 }
3126
3127 /*
3128 * Set Max programmed link rate.
3129 */
3130 switch (phy_info->programmed_link_rate &
3131 MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) {
3132 case MPI_SAS_PHY0_PRATE_MAX_RATE_1_5:
3133 phy->maximum_linkrate = SAS_LINK_RATE_1_5_GBPS;
3134 break;
3135 case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0:
3136 phy->maximum_linkrate = SAS_LINK_RATE_3_0_GBPS;
3137 break;
3138 default:
3139 break;
3140 }
3141
3142 /*
3143 * Set Min hardware link rate.
3144 */
3145 switch (phy_info->hw_link_rate & MPI_SAS_PHY0_HWRATE_MIN_RATE_MASK) {
3146 case MPI_SAS_PHY0_HWRATE_MIN_RATE_1_5:
3147 phy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3148 break;
3149 case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0:
3150 phy->minimum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS;
3151 break;
3152 default:
3153 break;
3154 }
3155
3156 /*
3157 * Set Min programmed link rate.
3158 */
3159 switch (phy_info->programmed_link_rate &
3160 MPI_SAS_PHY0_PRATE_MIN_RATE_MASK) {
3161 case MPI_SAS_PHY0_PRATE_MIN_RATE_1_5:
3162 phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
3163 break;
3164 case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0:
3165 phy->minimum_linkrate = SAS_LINK_RATE_3_0_GBPS;
3166 break;
3167 default:
3168 break;
3169 }
3170
3171 if (!phy_info->phy) {
3172
3173 error = sas_phy_add(phy);
3174 if (error) {
3175 sas_phy_free(phy);
3176 goto out;
3177 }
3178 phy_info->phy = phy;
3179 }
3180
3181 if (!phy_info->attached.handle ||
3182 !phy_info->port_details)
3183 goto out;
3184
3185 port = mptsas_get_port(phy_info);
3186 ioc = phy_to_ioc(phy_info->phy);
3187
3188 if (phy_info->sas_port_add_phy) {
3189
3190 if (!port) {
3191 port = sas_port_alloc_num(dev);
3192 if (!port) {
3193 error = -ENOMEM;
3194 goto out;
3195 }
3196 error = sas_port_add(port);
3197 if (error) {
3198 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3199 "%s: exit at line=%d\n", ioc->name,
3200 __func__, __LINE__));
3201 goto out;
3202 }
3203 mptsas_set_port(ioc, phy_info, port);
3204 devtprintk(ioc, dev_printk(KERN_DEBUG, &port->dev,
3205 MYIOC_s_FMT "add port %d, sas_addr (0x%llx)\n",
3206 ioc->name, port->port_identifier,
3207 (unsigned long long)phy_info->
3208 attached.sas_address));
3209 }
3210 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3211 "sas_port_add_phy: phy_id=%d\n",
3212 ioc->name, phy_info->phy_id));
3213 sas_port_add_phy(port, phy_info->phy);
3214 phy_info->sas_port_add_phy = 0;
3215 devtprintk(ioc, dev_printk(KERN_DEBUG, &phy_info->phy->dev,
3216 MYIOC_s_FMT "add phy %d, phy-obj (0x%p)\n", ioc->name,
3217 phy_info->phy_id, phy_info->phy));
3218 }
3219 if (!mptsas_get_rphy(phy_info) && port && !port->rphy) {
3220
3221 struct sas_rphy *rphy;
3222 struct device *parent;
3223 struct sas_identify identify;
3224
3225 parent = dev->parent->parent;
3226 /*
3227 * Let the hotplug_work thread handle processing
3228 * the adding/removing of devices that occur
3229 * after start of day.
3230 */
3231 if (mptsas_is_end_device(&phy_info->attached) &&
3232 phy_info->attached.handle_parent) {
3233 goto out;
3234 }
3235
3236 mptsas_parse_device_info(&identify, &phy_info->attached);
3237 if (scsi_is_host_device(parent)) {
3238 struct mptsas_portinfo *port_info;
3239 int i;
3240
3241 port_info = ioc->hba_port_info;
3242
3243 for (i = 0; i < port_info->num_phys; i++)
3244 if (port_info->phy_info[i].identify.sas_address ==
3245 identify.sas_address) {
3246 sas_port_mark_backlink(port);
3247 goto out;
3248 }
3249
3250 } else if (scsi_is_sas_rphy(parent)) {
3251 struct sas_rphy *parent_rphy = dev_to_rphy(parent);
3252 if (identify.sas_address ==
3253 parent_rphy->identify.sas_address) {
3254 sas_port_mark_backlink(port);
3255 goto out;
3256 }
3257 }
3258
3259 switch (identify.device_type) {
3260 case SAS_END_DEVICE:
3261 rphy = sas_end_device_alloc(port);
3262 break;
3263 case SAS_EDGE_EXPANDER_DEVICE:
3264 case SAS_FANOUT_EXPANDER_DEVICE:
3265 rphy = sas_expander_alloc(port, identify.device_type);
3266 break;
3267 default:
3268 rphy = NULL;
3269 break;
3270 }
3271 if (!rphy) {
3272 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3273 "%s: exit at line=%d\n", ioc->name,
3274 __func__, __LINE__));
3275 goto out;
3276 }
3277
3278 rphy->identify = identify;
3279 error = sas_rphy_add(rphy);
3280 if (error) {
3281 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3282 "%s: exit at line=%d\n", ioc->name,
3283 __func__, __LINE__));
3284 sas_rphy_free(rphy);
3285 goto out;
3286 }
3287 mptsas_set_rphy(ioc, phy_info, rphy);
3288 if (identify.device_type == SAS_EDGE_EXPANDER_DEVICE ||
3289 identify.device_type == SAS_FANOUT_EXPANDER_DEVICE)
3290 mptsas_exp_repmanufacture_info(ioc,
3291 identify.sas_address,
3292 rphy_to_expander_device(rphy));
3293 }
3294
3295 /* If the device exists, verify it wasn't previously flagged
3296 as a missing device. If so, clear it */
3297 vtarget = mptsas_find_vtarget(ioc,
3298 phy_info->attached.channel,
3299 phy_info->attached.id);
3300 if (vtarget && vtarget->inDMD) {
3301 printk(KERN_INFO "Device returned, unsetting inDMD\n");
3302 vtarget->inDMD = 0;
3303 }
3304
3305 out:
3306 return error;
3307}
3308
3309static int
3310mptsas_probe_hba_phys(MPT_ADAPTER *ioc)
3311{
3312 struct mptsas_portinfo *port_info, *hba;
3313 int error = -ENOMEM, i;
3314
3315 hba = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
3316 if (! hba)
3317 goto out;
3318
3319 error = mptsas_sas_io_unit_pg0(ioc, hba);
3320 if (error)
3321 goto out_free_port_info;
3322
3323 mptsas_sas_io_unit_pg1(ioc);
3324 mutex_lock(&ioc->sas_topology_mutex);
3325 port_info = ioc->hba_port_info;
3326 if (!port_info) {
3327 ioc->hba_port_info = port_info = hba;
3328 ioc->hba_port_num_phy = port_info->num_phys;
3329 list_add_tail(&port_info->list, &ioc->sas_topology);
3330 } else {
3331 for (i = 0; i < hba->num_phys; i++) {
3332 port_info->phy_info[i].negotiated_link_rate =
3333 hba->phy_info[i].negotiated_link_rate;
3334 port_info->phy_info[i].handle =
3335 hba->phy_info[i].handle;
3336 port_info->phy_info[i].port_id =
3337 hba->phy_info[i].port_id;
3338 }
3339 kfree(hba->phy_info);
3340 kfree(hba);
3341 hba = NULL;
3342 }
3343 mutex_unlock(&ioc->sas_topology_mutex);
3344#if defined(CPQ_CIM)
3345 ioc->num_ports = port_info->num_phys;
3346#endif
3347 for (i = 0; i < port_info->num_phys; i++) {
3348 mptsas_sas_phy_pg0(ioc, &port_info->phy_info[i],
3349 (MPI_SAS_PHY_PGAD_FORM_PHY_NUMBER <<
3350 MPI_SAS_PHY_PGAD_FORM_SHIFT), i);
3351 port_info->phy_info[i].identify.handle =
3352 port_info->phy_info[i].handle;
3353 mptsas_sas_device_pg0(ioc, &port_info->phy_info[i].identify,
3354 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3355 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3356 port_info->phy_info[i].identify.handle);
3357 if (!ioc->hba_port_sas_addr)
3358 ioc->hba_port_sas_addr =
3359 port_info->phy_info[i].identify.sas_address;
3360 port_info->phy_info[i].identify.phy_id =
3361 port_info->phy_info[i].phy_id = i;
3362 if (port_info->phy_info[i].attached.handle)
3363 mptsas_sas_device_pg0(ioc,
3364 &port_info->phy_info[i].attached,
3365 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3366 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3367 port_info->phy_info[i].attached.handle);
3368 }
3369
3370 mptsas_setup_wide_ports(ioc, port_info);
3371
3372 for (i = 0; i < port_info->num_phys; i++, ioc->sas_index++)
3373 mptsas_probe_one_phy(&ioc->sh->shost_gendev,
3374 &port_info->phy_info[i], ioc->sas_index, 1);
3375
3376 return 0;
3377
3378 out_free_port_info:
3379 kfree(hba);
3380 out:
3381 return error;
3382}
3383
3384static void
3385mptsas_expander_refresh(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
3386{
3387 struct mptsas_portinfo *parent;
3388 struct device *parent_dev;
3389 struct sas_rphy *rphy;
3390 int i;
3391 u64 sas_address; /* expander sas address */
3392 u32 handle;
3393
3394 handle = port_info->phy_info[0].handle;
3395 sas_address = port_info->phy_info[0].identify.sas_address;
3396 for (i = 0; i < port_info->num_phys; i++) {
3397 mptsas_sas_expander_pg1(ioc, &port_info->phy_info[i],
3398 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE_PHY_NUM <<
3399 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), (i << 16) + handle);
3400
3401 mptsas_sas_device_pg0(ioc,
3402 &port_info->phy_info[i].identify,
3403 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3404 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3405 port_info->phy_info[i].identify.handle);
3406 port_info->phy_info[i].identify.phy_id =
3407 port_info->phy_info[i].phy_id;
3408
3409 if (port_info->phy_info[i].attached.handle) {
3410 mptsas_sas_device_pg0(ioc,
3411 &port_info->phy_info[i].attached,
3412 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3413 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3414 port_info->phy_info[i].attached.handle);
3415 port_info->phy_info[i].attached.phy_id =
3416 port_info->phy_info[i].phy_id;
3417 }
3418 }
3419
3420 mutex_lock(&ioc->sas_topology_mutex);
3421 parent = mptsas_find_portinfo_by_handle(ioc,
3422 port_info->phy_info[0].identify.handle_parent);
3423 if (!parent) {
3424 mutex_unlock(&ioc->sas_topology_mutex);
3425 return;
3426 }
3427 for (i = 0, parent_dev = NULL; i < parent->num_phys && !parent_dev;
3428 i++) {
3429 if (parent->phy_info[i].attached.sas_address == sas_address) {
3430 rphy = mptsas_get_rphy(&parent->phy_info[i]);
3431 parent_dev = &rphy->dev;
3432 }
3433 }
3434 mutex_unlock(&ioc->sas_topology_mutex);
3435
3436 mptsas_setup_wide_ports(ioc, port_info);
3437 for (i = 0; i < port_info->num_phys; i++, ioc->sas_index++)
3438 mptsas_probe_one_phy(parent_dev, &port_info->phy_info[i],
3439 ioc->sas_index, 0);
3440}
3441
3442static void
3443mptsas_expander_event_add(MPT_ADAPTER *ioc,
3444 MpiEventDataSasExpanderStatusChange_t *expander_data)
3445{
3446 struct mptsas_portinfo *port_info;
3447 int i;
3448 __le64 sas_address;
3449
3450 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
3451 BUG_ON(!port_info);
3452 port_info->num_phys = (expander_data->NumPhys) ?
3453 expander_data->NumPhys : 1;
3454 port_info->phy_info = kcalloc(port_info->num_phys,
3455 sizeof(struct mptsas_phyinfo), GFP_KERNEL);
3456 BUG_ON(!port_info->phy_info);
3457 memcpy(&sas_address, &expander_data->SASAddress, sizeof(__le64));
3458 for (i = 0; i < port_info->num_phys; i++) {
3459 port_info->phy_info[i].portinfo = port_info;
3460 port_info->phy_info[i].handle =
3461 le16_to_cpu(expander_data->DevHandle);
3462 port_info->phy_info[i].identify.sas_address =
3463 le64_to_cpu(sas_address);
3464 port_info->phy_info[i].identify.handle_parent =
3465 le16_to_cpu(expander_data->ParentDevHandle);
3466 }
3467
3468 mutex_lock(&ioc->sas_topology_mutex);
3469 list_add_tail(&port_info->list, &ioc->sas_topology);
3470 mutex_unlock(&ioc->sas_topology_mutex);
3471
3472 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, "
3473 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3474 (unsigned long long)sas_address);
3475
3476 mptsas_expander_refresh(ioc, port_info);
3477}
3478
3479/**
3480 * mptsas_delete_expander_siblings - remove siblings attached to expander
3481 * @ioc: Pointer to MPT_ADAPTER structure
3482 * @parent: the parent port_info object
3483 * @expander: the expander port_info object
3484 **/
3485static void
3486mptsas_delete_expander_siblings(MPT_ADAPTER *ioc, struct mptsas_portinfo
3487 *parent, struct mptsas_portinfo *expander)
3488{
3489 struct mptsas_phyinfo *phy_info;
3490 struct mptsas_portinfo *port_info;
3491 struct sas_rphy *rphy;
3492 int i;
3493
3494 phy_info = expander->phy_info;
3495 for (i = 0; i < expander->num_phys; i++, phy_info++) {
3496 rphy = mptsas_get_rphy(phy_info);
3497 if (!rphy)
3498 continue;
3499 if (rphy->identify.device_type == SAS_END_DEVICE)
3500 mptsas_del_end_device(ioc, phy_info);
3501 }
3502
3503 phy_info = expander->phy_info;
3504 for (i = 0; i < expander->num_phys; i++, phy_info++) {
3505 rphy = mptsas_get_rphy(phy_info);
3506 if (!rphy)
3507 continue;
3508 if (rphy->identify.device_type ==
3509 MPI_SAS_DEVICE_INFO_EDGE_EXPANDER ||
3510 rphy->identify.device_type ==
3511 MPI_SAS_DEVICE_INFO_FANOUT_EXPANDER) {
3512 port_info = mptsas_find_portinfo_by_sas_address(ioc,
3513 rphy->identify.sas_address);
3514 if (!port_info)
3515 continue;
3516 if (port_info == parent) /* backlink rphy */
3517 continue;
3518 /*
3519 Delete this expander even if the expdevpage is exists
3520 because the parent expander is already deleted
3521 */
3522 mptsas_expander_delete(ioc, port_info, 1);
3523 }
3524 }
3525}
3526
3527
3528/**
3529 * mptsas_expander_delete - remove this expander
3530 * @ioc: Pointer to MPT_ADAPTER structure
3531 * @port_info: expander port_info struct
3532 * @force: Flag to forcefully delete the expander
3533 *
3534 **/
3535
3536static void mptsas_expander_delete(MPT_ADAPTER *ioc,
3537 struct mptsas_portinfo *port_info, u8 force)
3538{
3539
3540 struct mptsas_portinfo *parent;
3541 int i;
3542 u64 expander_sas_address;
3543 struct mptsas_phyinfo *phy_info;
3544 struct mptsas_portinfo buffer;
3545 struct mptsas_portinfo_details *port_details;
3546 struct sas_port *port;
3547
3548 if (!port_info)
3549 return;
3550
3551 /* see if expander is still there before deleting */
3552 mptsas_sas_expander_pg0(ioc, &buffer,
3553 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE <<
3554 MPI_SAS_EXPAND_PGAD_FORM_SHIFT),
3555 port_info->phy_info[0].identify.handle);
3556
3557 if (buffer.num_phys) {
3558 kfree(buffer.phy_info);
3559 if (!force)
3560 return;
3561 }
3562
3563
3564 /*
3565 * Obtain the port_info instance to the parent port
3566 */
3567 port_details = NULL;
3568 expander_sas_address =
3569 port_info->phy_info[0].identify.sas_address;
3570 parent = mptsas_find_portinfo_by_handle(ioc,
3571 port_info->phy_info[0].identify.handle_parent);
3572 mptsas_delete_expander_siblings(ioc, parent, port_info);
3573 if (!parent)
3574 goto out;
3575
3576 /*
3577 * Delete rphys in the parent that point
3578 * to this expander.
3579 */
3580 phy_info = parent->phy_info;
3581 port = NULL;
3582 for (i = 0; i < parent->num_phys; i++, phy_info++) {
3583 if (!phy_info->phy)
3584 continue;
3585 if (phy_info->attached.sas_address !=
3586 expander_sas_address)
3587 continue;
3588 if (!port) {
3589 port = mptsas_get_port(phy_info);
3590 port_details = phy_info->port_details;
3591 }
3592 dev_printk(KERN_DEBUG, &phy_info->phy->dev,
3593 MYIOC_s_FMT "delete phy %d, phy-obj (0x%p)\n", ioc->name,
3594 phy_info->phy_id, phy_info->phy);
3595 sas_port_delete_phy(port, phy_info->phy);
3596 }
3597 if (port) {
3598 dev_printk(KERN_DEBUG, &port->dev,
3599 MYIOC_s_FMT "delete port %d, sas_addr (0x%llx)\n",
3600 ioc->name, port->port_identifier,
3601 (unsigned long long)expander_sas_address);
3602 sas_port_delete(port);
3603 mptsas_port_delete(ioc, port_details);
3604 }
3605 out:
3606
3607 printk(MYIOC_s_INFO_FMT "delete expander: num_phys %d, "
3608 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3609 (unsigned long long)expander_sas_address);
3610
3611 /*
3612 * free link
3613 */
3614 list_del(&port_info->list);
3615 kfree(port_info->phy_info);
3616 kfree(port_info);
3617}
3618
3619
3620/**
3621 * mptsas_send_expander_event - expanders events
3622 * @fw_event: event data
3623 *
3624 *
3625 * This function handles adding, removing, and refreshing
3626 * device handles within the expander objects.
3627 */
3628static void
3629mptsas_send_expander_event(struct fw_event_work *fw_event)
3630{
3631 MPT_ADAPTER *ioc;
3632 MpiEventDataSasExpanderStatusChange_t *expander_data;
3633 struct mptsas_portinfo *port_info;
3634 __le64 sas_address;
3635 int i;
3636
3637 ioc = fw_event->ioc;
3638 expander_data = (MpiEventDataSasExpanderStatusChange_t *)
3639 fw_event->event_data;
3640 memcpy(&sas_address, &expander_data->SASAddress, sizeof(__le64));
3641 sas_address = le64_to_cpu(sas_address);
3642 port_info = mptsas_find_portinfo_by_sas_address(ioc, sas_address);
3643
3644 if (expander_data->ReasonCode == MPI_EVENT_SAS_EXP_RC_ADDED) {
3645 if (port_info) {
3646 for (i = 0; i < port_info->num_phys; i++) {
3647 port_info->phy_info[i].portinfo = port_info;
3648 port_info->phy_info[i].handle =
3649 le16_to_cpu(expander_data->DevHandle);
3650 port_info->phy_info[i].identify.sas_address =
3651 le64_to_cpu(sas_address);
3652 port_info->phy_info[i].identify.handle_parent =
3653 le16_to_cpu(expander_data->ParentDevHandle);
3654 }
3655 mptsas_expander_refresh(ioc, port_info);
3656 } else if (!port_info && expander_data->NumPhys)
3657 mptsas_expander_event_add(ioc, expander_data);
3658 } else if (expander_data->ReasonCode ==
3659 MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING)
3660 mptsas_expander_delete(ioc, port_info, 0);
3661
3662 mptsas_free_fw_event(ioc, fw_event);
3663}
3664
3665
3666/**
3667 * mptsas_expander_add - adds a newly discovered expander
3668 * @ioc: Pointer to MPT_ADAPTER structure
3669 * @handle: device handle
3670 *
3671 */
3672static struct mptsas_portinfo *
3673mptsas_expander_add(MPT_ADAPTER *ioc, u16 handle)
3674{
3675 struct mptsas_portinfo buffer, *port_info;
3676 int i;
3677
3678 if ((mptsas_sas_expander_pg0(ioc, &buffer,
3679 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE <<
3680 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle)))
3681 return NULL;
3682
3683 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
3684 if (!port_info) {
3685 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3686 "%s: exit at line=%d\n", ioc->name,
3687 __func__, __LINE__));
3688 return NULL;
3689 }
3690 port_info->num_phys = buffer.num_phys;
3691 port_info->phy_info = buffer.phy_info;
3692 for (i = 0; i < port_info->num_phys; i++)
3693 port_info->phy_info[i].portinfo = port_info;
3694 mutex_lock(&ioc->sas_topology_mutex);
3695 list_add_tail(&port_info->list, &ioc->sas_topology);
3696 mutex_unlock(&ioc->sas_topology_mutex);
3697 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, "
3698 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3699 (unsigned long long)buffer.phy_info[0].identify.sas_address);
3700 mptsas_expander_refresh(ioc, port_info);
3701 return port_info;
3702}
3703
3704static void
3705mptsas_send_link_status_event(struct fw_event_work *fw_event)
3706{
3707 MPT_ADAPTER *ioc;
3708 MpiEventDataSasPhyLinkStatus_t *link_data;
3709 struct mptsas_portinfo *port_info;
3710 struct mptsas_phyinfo *phy_info = NULL;
3711 __le64 sas_address;
3712 u8 phy_num;
3713 u8 link_rate;
3714
3715 ioc = fw_event->ioc;
3716 link_data = (MpiEventDataSasPhyLinkStatus_t *)fw_event->event_data;
3717
3718 memcpy(&sas_address, &link_data->SASAddress, sizeof(__le64));
3719 sas_address = le64_to_cpu(sas_address);
3720 link_rate = link_data->LinkRates >> 4;
3721 phy_num = link_data->PhyNum;
3722
3723 port_info = mptsas_find_portinfo_by_sas_address(ioc, sas_address);
3724 if (port_info) {
3725 phy_info = &port_info->phy_info[phy_num];
3726 if (phy_info)
3727 phy_info->negotiated_link_rate = link_rate;
3728 }
3729
3730 if (link_rate == MPI_SAS_IOUNIT0_RATE_1_5 ||
3731 link_rate == MPI_SAS_IOUNIT0_RATE_3_0 ||
3732 link_rate == MPI_SAS_IOUNIT0_RATE_6_0) {
3733
3734 if (!port_info) {
3735 if (ioc->old_sas_discovery_protocal) {
3736 port_info = mptsas_expander_add(ioc,
3737 le16_to_cpu(link_data->DevHandle));
3738 if (port_info)
3739 goto out;
3740 }
3741 goto out;
3742 }
3743
3744 if (port_info == ioc->hba_port_info)
3745 mptsas_probe_hba_phys(ioc);
3746 else
3747 mptsas_expander_refresh(ioc, port_info);
3748 } else if (phy_info && phy_info->phy) {
3749 if (link_rate == MPI_SAS_IOUNIT0_RATE_PHY_DISABLED)
3750 phy_info->phy->negotiated_linkrate =
3751 SAS_PHY_DISABLED;
3752 else if (link_rate ==
3753 MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION)
3754 phy_info->phy->negotiated_linkrate =
3755 SAS_LINK_RATE_FAILED;
3756 else {
3757 phy_info->phy->negotiated_linkrate =
3758 SAS_LINK_RATE_UNKNOWN;
3759 if (ioc->device_missing_delay &&
3760 mptsas_is_end_device(&phy_info->attached)) {
3761 struct scsi_device *sdev;
3762 VirtDevice *vdevice;
3763 u8 channel, id;
3764 id = phy_info->attached.id;
3765 channel = phy_info->attached.channel;
3766 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3767 "Link down for fw_id %d:fw_channel %d\n",
3768 ioc->name, phy_info->attached.id,
3769 phy_info->attached.channel));
3770
3771 shost_for_each_device(sdev, ioc->sh) {
3772 vdevice = sdev->hostdata;
3773 if ((vdevice == NULL) ||
3774 (vdevice->vtarget == NULL))
3775 continue;
3776 if ((vdevice->vtarget->tflags &
3777 MPT_TARGET_FLAGS_RAID_COMPONENT ||
3778 vdevice->vtarget->raidVolume))
3779 continue;
3780 if (vdevice->vtarget->id == id &&
3781 vdevice->vtarget->channel ==
3782 channel)
3783 devtprintk(ioc,
3784 printk(MYIOC_s_DEBUG_FMT
3785 "SDEV OUTSTANDING CMDS"
3786 "%d\n", ioc->name,
3787 scsi_device_busy(sdev)));
3788 }
3789
3790 }
3791 }
3792 }
3793 out:
3794 mptsas_free_fw_event(ioc, fw_event);
3795}
3796
3797static void
3798mptsas_not_responding_devices(MPT_ADAPTER *ioc)
3799{
3800 struct mptsas_portinfo buffer, *port_info;
3801 struct mptsas_device_info *sas_info;
3802 struct mptsas_devinfo sas_device;
3803 u32 handle;
3804 VirtTarget *vtarget = NULL;
3805 struct mptsas_phyinfo *phy_info;
3806 u8 found_expander;
3807 int retval, retry_count;
3808 unsigned long flags;
3809
3810 mpt_findImVolumes(ioc);
3811
3812 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
3813 if (ioc->ioc_reset_in_progress) {
3814 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3815 "%s: exiting due to a parallel reset \n", ioc->name,
3816 __func__));
3817 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
3818 return;
3819 }
3820 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
3821
3822 /* devices, logical volumes */
3823 mutex_lock(&ioc->sas_device_info_mutex);
3824 redo_device_scan:
3825 list_for_each_entry(sas_info, &ioc->sas_device_info_list, list) {
3826 if (sas_info->is_cached)
3827 continue;
3828 if (!sas_info->is_logical_volume) {
3829 sas_device.handle = 0;
3830 retry_count = 0;
3831retry_page:
3832 retval = mptsas_sas_device_pg0(ioc, &sas_device,
3833 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID
3834 << MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3835 (sas_info->fw.channel << 8) +
3836 sas_info->fw.id);
3837
3838 if (sas_device.handle)
3839 continue;
3840 if (retval == -EBUSY) {
3841 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
3842 if (ioc->ioc_reset_in_progress) {
3843 dfailprintk(ioc,
3844 printk(MYIOC_s_DEBUG_FMT
3845 "%s: exiting due to reset\n",
3846 ioc->name, __func__));
3847 spin_unlock_irqrestore
3848 (&ioc->taskmgmt_lock, flags);
3849 mutex_unlock(&ioc->
3850 sas_device_info_mutex);
3851 return;
3852 }
3853 spin_unlock_irqrestore(&ioc->taskmgmt_lock,
3854 flags);
3855 }
3856
3857 if (retval && (retval != -ENODEV)) {
3858 if (retry_count < 10) {
3859 retry_count++;
3860 goto retry_page;
3861 } else {
3862 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3863 "%s: Config page retry exceeded retry "
3864 "count deleting device 0x%llx\n",
3865 ioc->name, __func__,
3866 sas_info->sas_address));
3867 }
3868 }
3869
3870 /* delete device */
3871 vtarget = mptsas_find_vtarget(ioc,
3872 sas_info->fw.channel, sas_info->fw.id);
3873
3874 if (vtarget)
3875 vtarget->deleted = 1;
3876
3877 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
3878 sas_info->sas_address);
3879
3880 mptsas_del_end_device(ioc, phy_info);
3881 goto redo_device_scan;
3882 } else
3883 mptsas_volume_delete(ioc, sas_info->fw.id);
3884 }
3885 mutex_unlock(&ioc->sas_device_info_mutex);
3886
3887 /* expanders */
3888 mutex_lock(&ioc->sas_topology_mutex);
3889 redo_expander_scan:
3890 list_for_each_entry(port_info, &ioc->sas_topology, list) {
3891
3892 if (!(port_info->phy_info[0].identify.device_info &
3893 MPI_SAS_DEVICE_INFO_SMP_TARGET))
3894 continue;
3895 found_expander = 0;
3896 handle = 0xFFFF;
3897 while (!mptsas_sas_expander_pg0(ioc, &buffer,
3898 (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE <<
3899 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle) &&
3900 !found_expander) {
3901
3902 handle = buffer.phy_info[0].handle;
3903 if (buffer.phy_info[0].identify.sas_address ==
3904 port_info->phy_info[0].identify.sas_address) {
3905 found_expander = 1;
3906 }
3907 kfree(buffer.phy_info);
3908 }
3909
3910 if (!found_expander) {
3911 mptsas_expander_delete(ioc, port_info, 0);
3912 goto redo_expander_scan;
3913 }
3914 }
3915 mutex_unlock(&ioc->sas_topology_mutex);
3916}
3917
3918/**
3919 * mptsas_probe_expanders - adding expanders
3920 * @ioc: Pointer to MPT_ADAPTER structure
3921 *
3922 **/
3923static void
3924mptsas_probe_expanders(MPT_ADAPTER *ioc)
3925{
3926 struct mptsas_portinfo buffer, *port_info;
3927 u32 handle;
3928 int i;
3929
3930 handle = 0xFFFF;
3931 while (!mptsas_sas_expander_pg0(ioc, &buffer,
3932 (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE <<
3933 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle)) {
3934
3935 handle = buffer.phy_info[0].handle;
3936 port_info = mptsas_find_portinfo_by_sas_address(ioc,
3937 buffer.phy_info[0].identify.sas_address);
3938
3939 if (port_info) {
3940 /* refreshing handles */
3941 for (i = 0; i < buffer.num_phys; i++) {
3942 port_info->phy_info[i].handle = handle;
3943 port_info->phy_info[i].identify.handle_parent =
3944 buffer.phy_info[0].identify.handle_parent;
3945 }
3946 mptsas_expander_refresh(ioc, port_info);
3947 kfree(buffer.phy_info);
3948 continue;
3949 }
3950
3951 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
3952 if (!port_info) {
3953 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3954 "%s: exit at line=%d\n", ioc->name,
3955 __func__, __LINE__));
3956 return;
3957 }
3958 port_info->num_phys = buffer.num_phys;
3959 port_info->phy_info = buffer.phy_info;
3960 for (i = 0; i < port_info->num_phys; i++)
3961 port_info->phy_info[i].portinfo = port_info;
3962 mutex_lock(&ioc->sas_topology_mutex);
3963 list_add_tail(&port_info->list, &ioc->sas_topology);
3964 mutex_unlock(&ioc->sas_topology_mutex);
3965 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, "
3966 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3967 (unsigned long long)buffer.phy_info[0].identify.sas_address);
3968 mptsas_expander_refresh(ioc, port_info);
3969 }
3970}
3971
3972static void
3973mptsas_probe_devices(MPT_ADAPTER *ioc)
3974{
3975 u16 handle;
3976 struct mptsas_devinfo sas_device;
3977 struct mptsas_phyinfo *phy_info;
3978
3979 handle = 0xFFFF;
3980 while (!(mptsas_sas_device_pg0(ioc, &sas_device,
3981 MPI_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
3982
3983 handle = sas_device.handle;
3984
3985 if ((sas_device.device_info &
3986 (MPI_SAS_DEVICE_INFO_SSP_TARGET |
3987 MPI_SAS_DEVICE_INFO_STP_TARGET |
3988 MPI_SAS_DEVICE_INFO_SATA_DEVICE)) == 0)
3989 continue;
3990
3991 /* If there is no FW B_T mapping for this device then continue
3992 * */
3993 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
3994 || !(sas_device.flags &
3995 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
3996 continue;
3997
3998 phy_info = mptsas_refreshing_device_handles(ioc, &sas_device);
3999 if (!phy_info)
4000 continue;
4001
4002 if (mptsas_get_rphy(phy_info))
4003 continue;
4004
4005 mptsas_add_end_device(ioc, phy_info);
4006 }
4007}
4008
4009/**
4010 * mptsas_scan_sas_topology - scans new SAS topology
4011 * (part of probe or rescan)
4012 * @ioc: Pointer to MPT_ADAPTER structure
4013 *
4014 **/
4015static void
4016mptsas_scan_sas_topology(MPT_ADAPTER *ioc)
4017{
4018 struct scsi_device *sdev;
4019 int i;
4020
4021 mptsas_probe_hba_phys(ioc);
4022 mptsas_probe_expanders(ioc);
4023 mptsas_probe_devices(ioc);
4024
4025 /*
4026 Reporting RAID volumes.
4027 */
4028 if (!ioc->ir_firmware || !ioc->raid_data.pIocPg2 ||
4029 !ioc->raid_data.pIocPg2->NumActiveVolumes)
4030 return;
4031 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
4032 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL,
4033 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID, 0);
4034 if (sdev) {
4035 scsi_device_put(sdev);
4036 continue;
4037 }
4038 printk(MYIOC_s_INFO_FMT "attaching raid volume, channel %d, "
4039 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL,
4040 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID);
4041 scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL,
4042 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID, 0);
4043 }
4044}
4045
4046
4047static void
4048mptsas_handle_queue_full_event(struct fw_event_work *fw_event)
4049{
4050 MPT_ADAPTER *ioc;
4051 EventDataQueueFull_t *qfull_data;
4052 struct mptsas_device_info *sas_info;
4053 struct scsi_device *sdev;
4054 int depth;
4055 int id = -1;
4056 int channel = -1;
4057 int fw_id, fw_channel;
4058 u16 current_depth;
4059
4060
4061 ioc = fw_event->ioc;
4062 qfull_data = (EventDataQueueFull_t *)fw_event->event_data;
4063 fw_id = qfull_data->TargetID;
4064 fw_channel = qfull_data->Bus;
4065 current_depth = le16_to_cpu(qfull_data->CurrentDepth);
4066
4067 /* if hidden raid component, look for the volume id */
4068 mutex_lock(&ioc->sas_device_info_mutex);
4069 if (mptscsih_is_phys_disk(ioc, fw_channel, fw_id)) {
4070 list_for_each_entry(sas_info, &ioc->sas_device_info_list,
4071 list) {
4072 if (sas_info->is_cached ||
4073 sas_info->is_logical_volume)
4074 continue;
4075 if (sas_info->is_hidden_raid_component &&
4076 (sas_info->fw.channel == fw_channel &&
4077 sas_info->fw.id == fw_id)) {
4078 id = sas_info->volume_id;
4079 channel = MPTSAS_RAID_CHANNEL;
4080 goto out;
4081 }
4082 }
4083 } else {
4084 list_for_each_entry(sas_info, &ioc->sas_device_info_list,
4085 list) {
4086 if (sas_info->is_cached ||
4087 sas_info->is_hidden_raid_component ||
4088 sas_info->is_logical_volume)
4089 continue;
4090 if (sas_info->fw.channel == fw_channel &&
4091 sas_info->fw.id == fw_id) {
4092 id = sas_info->os.id;
4093 channel = sas_info->os.channel;
4094 goto out;
4095 }
4096 }
4097
4098 }
4099
4100 out:
4101 mutex_unlock(&ioc->sas_device_info_mutex);
4102
4103 if (id != -1) {
4104 shost_for_each_device(sdev, ioc->sh) {
4105 if (sdev->id == id && sdev->channel == channel) {
4106 if (current_depth > sdev->queue_depth) {
4107 sdev_printk(KERN_INFO, sdev,
4108 "strange observation, the queue "
4109 "depth is (%d) meanwhile fw queue "
4110 "depth (%d)\n", sdev->queue_depth,
4111 current_depth);
4112 continue;
4113 }
4114 depth = scsi_track_queue_full(sdev,
4115 sdev->queue_depth - 1);
4116 if (depth > 0)
4117 sdev_printk(KERN_INFO, sdev,
4118 "Queue depth reduced to (%d)\n",
4119 depth);
4120 else if (depth < 0)
4121 sdev_printk(KERN_INFO, sdev,
4122 "Tagged Command Queueing is being "
4123 "disabled\n");
4124 else if (depth == 0)
4125 sdev_printk(KERN_DEBUG, sdev,
4126 "Queue depth not changed yet\n");
4127 }
4128 }
4129 }
4130
4131 mptsas_free_fw_event(ioc, fw_event);
4132}
4133
4134
4135static struct mptsas_phyinfo *
4136mptsas_find_phyinfo_by_sas_address(MPT_ADAPTER *ioc, u64 sas_address)
4137{
4138 struct mptsas_portinfo *port_info;
4139 struct mptsas_phyinfo *phy_info = NULL;
4140 int i;
4141
4142 mutex_lock(&ioc->sas_topology_mutex);
4143 list_for_each_entry(port_info, &ioc->sas_topology, list) {
4144 for (i = 0; i < port_info->num_phys; i++) {
4145 if (!mptsas_is_end_device(
4146 &port_info->phy_info[i].attached))
4147 continue;
4148 if (port_info->phy_info[i].attached.sas_address
4149 != sas_address)
4150 continue;
4151 phy_info = &port_info->phy_info[i];
4152 break;
4153 }
4154 }
4155 mutex_unlock(&ioc->sas_topology_mutex);
4156 return phy_info;
4157}
4158
4159/**
4160 * mptsas_find_phyinfo_by_phys_disk_num - find phyinfo for the
4161 * specified @phys_disk_num
4162 * @ioc: Pointer to MPT_ADAPTER structure
4163 * @phys_disk_num: (hot plug) physical disk number (for RAID support)
4164 * @channel: channel number
4165 * @id: Logical Target ID
4166 *
4167 **/
4168static struct mptsas_phyinfo *
4169mptsas_find_phyinfo_by_phys_disk_num(MPT_ADAPTER *ioc, u8 phys_disk_num,
4170 u8 channel, u8 id)
4171{
4172 struct mptsas_phyinfo *phy_info = NULL;
4173 struct mptsas_portinfo *port_info;
4174 RaidPhysDiskPage1_t *phys_disk = NULL;
4175 int num_paths;
4176 u64 sas_address = 0;
4177 int i;
4178
4179 phy_info = NULL;
4180 if (!ioc->raid_data.pIocPg3)
4181 return NULL;
4182 /* dual port support */
4183 num_paths = mpt_raid_phys_disk_get_num_paths(ioc, phys_disk_num);
4184 if (!num_paths)
4185 goto out;
4186 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
4187 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
4188 if (!phys_disk)
4189 goto out;
4190 mpt_raid_phys_disk_pg1(ioc, phys_disk_num, phys_disk);
4191 for (i = 0; i < num_paths; i++) {
4192 if ((phys_disk->Path[i].Flags & 1) != 0)
4193 /* entry no longer valid */
4194 continue;
4195 if ((id == phys_disk->Path[i].PhysDiskID) &&
4196 (channel == phys_disk->Path[i].PhysDiskBus)) {
4197 memcpy(&sas_address, &phys_disk->Path[i].WWID,
4198 sizeof(u64));
4199 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4200 sas_address);
4201 goto out;
4202 }
4203 }
4204
4205 out:
4206 kfree(phys_disk);
4207 if (phy_info)
4208 return phy_info;
4209
4210 /*
4211 * Extra code to handle RAID0 case, where the sas_address is not updated
4212 * in phys_disk_page_1 when hotswapped
4213 */
4214 mutex_lock(&ioc->sas_topology_mutex);
4215 list_for_each_entry(port_info, &ioc->sas_topology, list) {
4216 for (i = 0; i < port_info->num_phys && !phy_info; i++) {
4217 if (!mptsas_is_end_device(
4218 &port_info->phy_info[i].attached))
4219 continue;
4220 if (port_info->phy_info[i].attached.phys_disk_num == ~0)
4221 continue;
4222 if ((port_info->phy_info[i].attached.phys_disk_num ==
4223 phys_disk_num) &&
4224 (port_info->phy_info[i].attached.id == id) &&
4225 (port_info->phy_info[i].attached.channel ==
4226 channel))
4227 phy_info = &port_info->phy_info[i];
4228 }
4229 }
4230 mutex_unlock(&ioc->sas_topology_mutex);
4231 return phy_info;
4232}
4233
4234static void
4235mptsas_reprobe_lun(struct scsi_device *sdev, void *data)
4236{
4237 int rc;
4238
4239 sdev->no_uld_attach = data ? 1 : 0;
4240 rc = scsi_device_reprobe(sdev);
4241}
4242
4243static void
4244mptsas_reprobe_target(struct scsi_target *starget, int uld_attach)
4245{
4246 starget_for_each_device(starget, uld_attach ? (void *)1 : NULL,
4247 mptsas_reprobe_lun);
4248}
4249
4250static void
4251mptsas_adding_inactive_raid_components(MPT_ADAPTER *ioc, u8 channel, u8 id)
4252{
4253 CONFIGPARMS cfg;
4254 ConfigPageHeader_t hdr;
4255 dma_addr_t dma_handle;
4256 pRaidVolumePage0_t buffer = NULL;
4257 RaidPhysDiskPage0_t phys_disk;
4258 int i;
4259 struct mptsas_phyinfo *phy_info;
4260 struct mptsas_devinfo sas_device;
4261
4262 memset(&cfg, 0 , sizeof(CONFIGPARMS));
4263 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
4264 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME;
4265 cfg.pageAddr = (channel << 8) + id;
4266 cfg.cfghdr.hdr = &hdr;
4267 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
4268 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
4269
4270 if (mpt_config(ioc, &cfg) != 0)
4271 goto out;
4272
4273 if (!hdr.PageLength)
4274 goto out;
4275
4276 buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.PageLength * 4,
4277 &dma_handle, GFP_KERNEL);
4278
4279 if (!buffer)
4280 goto out;
4281
4282 cfg.physAddr = dma_handle;
4283 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
4284
4285 if (mpt_config(ioc, &cfg) != 0)
4286 goto out;
4287
4288 if (!(buffer->VolumeStatus.Flags &
4289 MPI_RAIDVOL0_STATUS_FLAG_VOLUME_INACTIVE))
4290 goto out;
4291
4292 if (!buffer->NumPhysDisks)
4293 goto out;
4294
4295 for (i = 0; i < buffer->NumPhysDisks; i++) {
4296
4297 if (mpt_raid_phys_disk_pg0(ioc,
4298 buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0)
4299 continue;
4300
4301 if (mptsas_sas_device_pg0(ioc, &sas_device,
4302 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4303 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4304 (phys_disk.PhysDiskBus << 8) +
4305 phys_disk.PhysDiskID))
4306 continue;
4307
4308 /* If there is no FW B_T mapping for this device then continue
4309 * */
4310 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4311 || !(sas_device.flags &
4312 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4313 continue;
4314
4315
4316 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4317 sas_device.sas_address);
4318 mptsas_add_end_device(ioc, phy_info);
4319 }
4320
4321 out:
4322 if (buffer)
4323 dma_free_coherent(&ioc->pcidev->dev, hdr.PageLength * 4,
4324 buffer, dma_handle);
4325}
4326/*
4327 * Work queue thread to handle SAS hotplug events
4328 */
4329static void
4330mptsas_hotplug_work(MPT_ADAPTER *ioc, struct fw_event_work *fw_event,
4331 struct mptsas_hotplug_event *hot_plug_info)
4332{
4333 struct mptsas_phyinfo *phy_info;
4334 struct scsi_target * starget;
4335 struct mptsas_devinfo sas_device;
4336 VirtTarget *vtarget;
4337 int i;
4338 struct mptsas_portinfo *port_info;
4339
4340 switch (hot_plug_info->event_type) {
4341
4342 case MPTSAS_ADD_PHYSDISK:
4343
4344 if (!ioc->raid_data.pIocPg2)
4345 break;
4346
4347 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
4348 if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID ==
4349 hot_plug_info->id) {
4350 printk(MYIOC_s_WARN_FMT "firmware bug: unable "
4351 "to add hidden disk - target_id matches "
4352 "volume_id\n", ioc->name);
4353 mptsas_free_fw_event(ioc, fw_event);
4354 return;
4355 }
4356 }
4357 mpt_findImVolumes(ioc);
4358 fallthrough;
4359
4360 case MPTSAS_ADD_DEVICE:
4361 memset(&sas_device, 0, sizeof(struct mptsas_devinfo));
4362 mptsas_sas_device_pg0(ioc, &sas_device,
4363 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4364 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4365 (hot_plug_info->channel << 8) +
4366 hot_plug_info->id);
4367
4368 /* If there is no FW B_T mapping for this device then break
4369 * */
4370 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4371 || !(sas_device.flags &
4372 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4373 break;
4374
4375 if (!sas_device.handle)
4376 return;
4377
4378 phy_info = mptsas_refreshing_device_handles(ioc, &sas_device);
4379 /* Device hot plug */
4380 if (!phy_info) {
4381 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4382 "%s %d HOT PLUG: "
4383 "parent handle of device %x\n", ioc->name,
4384 __func__, __LINE__, sas_device.handle_parent));
4385 port_info = mptsas_find_portinfo_by_handle(ioc,
4386 sas_device.handle_parent);
4387
4388 if (port_info == ioc->hba_port_info)
4389 mptsas_probe_hba_phys(ioc);
4390 else if (port_info)
4391 mptsas_expander_refresh(ioc, port_info);
4392 else {
4393 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4394 "%s %d port info is NULL\n",
4395 ioc->name, __func__, __LINE__));
4396 break;
4397 }
4398 phy_info = mptsas_refreshing_device_handles
4399 (ioc, &sas_device);
4400 }
4401
4402 if (!phy_info) {
4403 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4404 "%s %d phy info is NULL\n",
4405 ioc->name, __func__, __LINE__));
4406 break;
4407 }
4408
4409 if (mptsas_get_rphy(phy_info))
4410 break;
4411
4412 mptsas_add_end_device(ioc, phy_info);
4413 break;
4414
4415 case MPTSAS_DEL_DEVICE:
4416 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4417 hot_plug_info->sas_address);
4418 mptsas_del_end_device(ioc, phy_info);
4419 break;
4420
4421 case MPTSAS_DEL_PHYSDISK:
4422
4423 mpt_findImVolumes(ioc);
4424
4425 phy_info = mptsas_find_phyinfo_by_phys_disk_num(
4426 ioc, hot_plug_info->phys_disk_num,
4427 hot_plug_info->channel,
4428 hot_plug_info->id);
4429 mptsas_del_end_device(ioc, phy_info);
4430 break;
4431
4432 case MPTSAS_ADD_PHYSDISK_REPROBE:
4433
4434 if (mptsas_sas_device_pg0(ioc, &sas_device,
4435 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4436 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4437 (hot_plug_info->channel << 8) + hot_plug_info->id)) {
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 /* If there is no FW B_T mapping for this device then break
4445 * */
4446 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4447 || !(sas_device.flags &
4448 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4449 break;
4450
4451 phy_info = mptsas_find_phyinfo_by_sas_address(
4452 ioc, sas_device.sas_address);
4453
4454 if (!phy_info) {
4455 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4456 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4457 __func__, hot_plug_info->id, __LINE__));
4458 break;
4459 }
4460
4461 starget = mptsas_get_starget(phy_info);
4462 if (!starget) {
4463 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4464 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4465 __func__, hot_plug_info->id, __LINE__));
4466 break;
4467 }
4468
4469 vtarget = starget->hostdata;
4470 if (!vtarget) {
4471 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4472 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4473 __func__, hot_plug_info->id, __LINE__));
4474 break;
4475 }
4476
4477 mpt_findImVolumes(ioc);
4478
4479 starget_printk(KERN_INFO, starget, MYIOC_s_FMT "RAID Hidding: "
4480 "fw_channel=%d, fw_id=%d, physdsk %d, sas_addr 0x%llx\n",
4481 ioc->name, hot_plug_info->channel, hot_plug_info->id,
4482 hot_plug_info->phys_disk_num, (unsigned long long)
4483 sas_device.sas_address);
4484
4485 vtarget->id = hot_plug_info->phys_disk_num;
4486 vtarget->tflags |= MPT_TARGET_FLAGS_RAID_COMPONENT;
4487 phy_info->attached.phys_disk_num = hot_plug_info->phys_disk_num;
4488 mptsas_reprobe_target(starget, 1);
4489 break;
4490
4491 case MPTSAS_DEL_PHYSDISK_REPROBE:
4492
4493 if (mptsas_sas_device_pg0(ioc, &sas_device,
4494 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4495 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4496 (hot_plug_info->channel << 8) + hot_plug_info->id)) {
4497 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4498 "%s: fw_id=%d exit at line=%d\n",
4499 ioc->name, __func__,
4500 hot_plug_info->id, __LINE__));
4501 break;
4502 }
4503
4504 /* If there is no FW B_T mapping for this device then break
4505 * */
4506 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4507 || !(sas_device.flags &
4508 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4509 break;
4510
4511 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4512 sas_device.sas_address);
4513 if (!phy_info) {
4514 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4515 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4516 __func__, hot_plug_info->id, __LINE__));
4517 break;
4518 }
4519
4520 starget = mptsas_get_starget(phy_info);
4521 if (!starget) {
4522 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4523 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4524 __func__, hot_plug_info->id, __LINE__));
4525 break;
4526 }
4527
4528 vtarget = starget->hostdata;
4529 if (!vtarget) {
4530 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4531 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4532 __func__, hot_plug_info->id, __LINE__));
4533 break;
4534 }
4535
4536 if (!(vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)) {
4537 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4538 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4539 __func__, hot_plug_info->id, __LINE__));
4540 break;
4541 }
4542
4543 mpt_findImVolumes(ioc);
4544
4545 starget_printk(KERN_INFO, starget, MYIOC_s_FMT "RAID Exposing:"
4546 " fw_channel=%d, fw_id=%d, physdsk %d, sas_addr 0x%llx\n",
4547 ioc->name, hot_plug_info->channel, hot_plug_info->id,
4548 hot_plug_info->phys_disk_num, (unsigned long long)
4549 sas_device.sas_address);
4550
4551 vtarget->tflags &= ~MPT_TARGET_FLAGS_RAID_COMPONENT;
4552 vtarget->id = hot_plug_info->id;
4553 phy_info->attached.phys_disk_num = ~0;
4554 mptsas_reprobe_target(starget, 0);
4555 mptsas_add_device_component_by_fw(ioc,
4556 hot_plug_info->channel, hot_plug_info->id);
4557 break;
4558
4559 case MPTSAS_ADD_RAID:
4560
4561 mpt_findImVolumes(ioc);
4562 printk(MYIOC_s_INFO_FMT "attaching raid volume, channel %d, "
4563 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL,
4564 hot_plug_info->id);
4565 scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL,
4566 hot_plug_info->id, 0);
4567 break;
4568
4569 case MPTSAS_DEL_RAID:
4570
4571 mpt_findImVolumes(ioc);
4572 printk(MYIOC_s_INFO_FMT "removing raid volume, channel %d, "
4573 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL,
4574 hot_plug_info->id);
4575 scsi_remove_device(hot_plug_info->sdev);
4576 scsi_device_put(hot_plug_info->sdev);
4577 break;
4578
4579 case MPTSAS_ADD_INACTIVE_VOLUME:
4580
4581 mpt_findImVolumes(ioc);
4582 mptsas_adding_inactive_raid_components(ioc,
4583 hot_plug_info->channel, hot_plug_info->id);
4584 break;
4585
4586 default:
4587 break;
4588 }
4589
4590 mptsas_free_fw_event(ioc, fw_event);
4591}
4592
4593static void
4594mptsas_send_sas_event(struct fw_event_work *fw_event)
4595{
4596 MPT_ADAPTER *ioc;
4597 struct mptsas_hotplug_event hot_plug_info;
4598 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data;
4599 u32 device_info;
4600 u64 sas_address;
4601
4602 ioc = fw_event->ioc;
4603 sas_event_data = (EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *)
4604 fw_event->event_data;
4605 device_info = le32_to_cpu(sas_event_data->DeviceInfo);
4606
4607 if ((device_info &
4608 (MPI_SAS_DEVICE_INFO_SSP_TARGET |
4609 MPI_SAS_DEVICE_INFO_STP_TARGET |
4610 MPI_SAS_DEVICE_INFO_SATA_DEVICE)) == 0) {
4611 mptsas_free_fw_event(ioc, fw_event);
4612 return;
4613 }
4614
4615 if (sas_event_data->ReasonCode ==
4616 MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED) {
4617 mptbase_sas_persist_operation(ioc,
4618 MPI_SAS_OP_CLEAR_NOT_PRESENT);
4619 mptsas_free_fw_event(ioc, fw_event);
4620 return;
4621 }
4622
4623 switch (sas_event_data->ReasonCode) {
4624 case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING:
4625 case MPI_EVENT_SAS_DEV_STAT_RC_ADDED:
4626 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
4627 hot_plug_info.handle = le16_to_cpu(sas_event_data->DevHandle);
4628 hot_plug_info.channel = sas_event_data->Bus;
4629 hot_plug_info.id = sas_event_data->TargetID;
4630 hot_plug_info.phy_id = sas_event_data->PhyNum;
4631 memcpy(&sas_address, &sas_event_data->SASAddress,
4632 sizeof(u64));
4633 hot_plug_info.sas_address = le64_to_cpu(sas_address);
4634 hot_plug_info.device_info = device_info;
4635 if (sas_event_data->ReasonCode &
4636 MPI_EVENT_SAS_DEV_STAT_RC_ADDED)
4637 hot_plug_info.event_type = MPTSAS_ADD_DEVICE;
4638 else
4639 hot_plug_info.event_type = MPTSAS_DEL_DEVICE;
4640 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
4641 break;
4642
4643 case MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED:
4644 mptbase_sas_persist_operation(ioc,
4645 MPI_SAS_OP_CLEAR_NOT_PRESENT);
4646 mptsas_free_fw_event(ioc, fw_event);
4647 break;
4648
4649 case MPI_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
4650 /* TODO */
4651 case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
4652 /* TODO */
4653 default:
4654 mptsas_free_fw_event(ioc, fw_event);
4655 break;
4656 }
4657}
4658
4659static void
4660mptsas_send_raid_event(struct fw_event_work *fw_event)
4661{
4662 MPT_ADAPTER *ioc;
4663 EVENT_DATA_RAID *raid_event_data;
4664 struct mptsas_hotplug_event hot_plug_info;
4665 int status;
4666 int state;
4667 struct scsi_device *sdev = NULL;
4668 VirtDevice *vdevice = NULL;
4669 RaidPhysDiskPage0_t phys_disk;
4670
4671 ioc = fw_event->ioc;
4672 raid_event_data = (EVENT_DATA_RAID *)fw_event->event_data;
4673 status = le32_to_cpu(raid_event_data->SettingsStatus);
4674 state = (status >> 8) & 0xff;
4675
4676 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
4677 hot_plug_info.id = raid_event_data->VolumeID;
4678 hot_plug_info.channel = raid_event_data->VolumeBus;
4679 hot_plug_info.phys_disk_num = raid_event_data->PhysDiskNum;
4680
4681 if (raid_event_data->ReasonCode == MPI_EVENT_RAID_RC_VOLUME_DELETED ||
4682 raid_event_data->ReasonCode == MPI_EVENT_RAID_RC_VOLUME_CREATED ||
4683 raid_event_data->ReasonCode ==
4684 MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED) {
4685 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL,
4686 hot_plug_info.id, 0);
4687 hot_plug_info.sdev = sdev;
4688 if (sdev)
4689 vdevice = sdev->hostdata;
4690 }
4691
4692 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Entering %s: "
4693 "ReasonCode=%02x\n", ioc->name, __func__,
4694 raid_event_data->ReasonCode));
4695
4696 switch (raid_event_data->ReasonCode) {
4697 case MPI_EVENT_RAID_RC_PHYSDISK_DELETED:
4698 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK_REPROBE;
4699 break;
4700 case MPI_EVENT_RAID_RC_PHYSDISK_CREATED:
4701 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK_REPROBE;
4702 break;
4703 case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED:
4704 switch (state) {
4705 case MPI_PD_STATE_ONLINE:
4706 case MPI_PD_STATE_NOT_COMPATIBLE:
4707 mpt_raid_phys_disk_pg0(ioc,
4708 raid_event_data->PhysDiskNum, &phys_disk);
4709 hot_plug_info.id = phys_disk.PhysDiskID;
4710 hot_plug_info.channel = phys_disk.PhysDiskBus;
4711 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK;
4712 break;
4713 case MPI_PD_STATE_FAILED:
4714 case MPI_PD_STATE_MISSING:
4715 case MPI_PD_STATE_OFFLINE_AT_HOST_REQUEST:
4716 case MPI_PD_STATE_FAILED_AT_HOST_REQUEST:
4717 case MPI_PD_STATE_OFFLINE_FOR_ANOTHER_REASON:
4718 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK;
4719 break;
4720 default:
4721 break;
4722 }
4723 break;
4724 case MPI_EVENT_RAID_RC_VOLUME_DELETED:
4725 if (!sdev)
4726 break;
4727 vdevice->vtarget->deleted = 1; /* block IO */
4728 hot_plug_info.event_type = MPTSAS_DEL_RAID;
4729 break;
4730 case MPI_EVENT_RAID_RC_VOLUME_CREATED:
4731 if (sdev) {
4732 scsi_device_put(sdev);
4733 break;
4734 }
4735 hot_plug_info.event_type = MPTSAS_ADD_RAID;
4736 break;
4737 case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED:
4738 if (!(status & MPI_RAIDVOL0_STATUS_FLAG_ENABLED)) {
4739 if (!sdev)
4740 break;
4741 vdevice->vtarget->deleted = 1; /* block IO */
4742 hot_plug_info.event_type = MPTSAS_DEL_RAID;
4743 break;
4744 }
4745 switch (state) {
4746 case MPI_RAIDVOL0_STATUS_STATE_FAILED:
4747 case MPI_RAIDVOL0_STATUS_STATE_MISSING:
4748 if (!sdev)
4749 break;
4750 vdevice->vtarget->deleted = 1; /* block IO */
4751 hot_plug_info.event_type = MPTSAS_DEL_RAID;
4752 break;
4753 case MPI_RAIDVOL0_STATUS_STATE_OPTIMAL:
4754 case MPI_RAIDVOL0_STATUS_STATE_DEGRADED:
4755 if (sdev) {
4756 scsi_device_put(sdev);
4757 break;
4758 }
4759 hot_plug_info.event_type = MPTSAS_ADD_RAID;
4760 break;
4761 default:
4762 break;
4763 }
4764 break;
4765 default:
4766 break;
4767 }
4768
4769 if (hot_plug_info.event_type != MPTSAS_IGNORE_EVENT)
4770 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
4771 else
4772 mptsas_free_fw_event(ioc, fw_event);
4773}
4774
4775/**
4776 * mptsas_issue_tm - send mptsas internal tm request
4777 * @ioc: Pointer to MPT_ADAPTER structure
4778 * @type: Task Management type
4779 * @channel: channel number for task management
4780 * @id: Logical Target ID for reset (if appropriate)
4781 * @lun: Logical unit for reset (if appropriate)
4782 * @task_context: Context for the task to be aborted
4783 * @timeout: timeout for task management control
4784 * @issue_reset: set to 1 on return if reset is needed, else 0
4785 *
4786 * Return: 0 on success or -1 on failure.
4787 *
4788 */
4789static int
4790mptsas_issue_tm(MPT_ADAPTER *ioc, u8 type, u8 channel, u8 id, u64 lun,
4791 int task_context, ulong timeout, u8 *issue_reset)
4792{
4793 MPT_FRAME_HDR *mf;
4794 SCSITaskMgmt_t *pScsiTm;
4795 int retval;
4796 unsigned long timeleft;
4797
4798 *issue_reset = 0;
4799 mf = mpt_get_msg_frame(mptsasDeviceResetCtx, ioc);
4800 if (mf == NULL) {
4801 retval = -1; /* return failure */
4802 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT "TaskMgmt request: no "
4803 "msg frames!!\n", ioc->name));
4804 goto out;
4805 }
4806
4807 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request: mr = %p, "
4808 "task_type = 0x%02X,\n\t timeout = %ld, fw_channel = %d, "
4809 "fw_id = %d, lun = %lld,\n\t task_context = 0x%x\n", ioc->name, mf,
4810 type, timeout, channel, id, (unsigned long long)lun,
4811 task_context));
4812
4813 pScsiTm = (SCSITaskMgmt_t *) mf;
4814 memset(pScsiTm, 0, sizeof(SCSITaskMgmt_t));
4815 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
4816 pScsiTm->TaskType = type;
4817 pScsiTm->MsgFlags = 0;
4818 pScsiTm->TargetID = id;
4819 pScsiTm->Bus = channel;
4820 pScsiTm->ChainOffset = 0;
4821 pScsiTm->Reserved = 0;
4822 pScsiTm->Reserved1 = 0;
4823 pScsiTm->TaskMsgContext = task_context;
4824 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
4825
4826 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
4827 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
4828 retval = 0;
4829 mpt_put_msg_frame_hi_pri(mptsasDeviceResetCtx, ioc, mf);
4830
4831 /* Now wait for the command to complete */
4832 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
4833 timeout*HZ);
4834 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
4835 retval = -1; /* return failure */
4836 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
4837 "TaskMgmt request: TIMED OUT!(mr=%p)\n", ioc->name, mf));
4838 mpt_free_msg_frame(ioc, mf);
4839 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
4840 goto out;
4841 *issue_reset = 1;
4842 goto out;
4843 }
4844
4845 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
4846 retval = -1; /* return failure */
4847 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4848 "TaskMgmt request: failed with no reply\n", ioc->name));
4849 goto out;
4850 }
4851
4852 out:
4853 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
4854 return retval;
4855}
4856
4857/**
4858 * mptsas_broadcast_primitive_work - Handle broadcast primitives
4859 * @fw_event: work queue payload containing info describing the event
4860 *
4861 * This will be handled in workqueue context.
4862 */
4863static void
4864mptsas_broadcast_primitive_work(struct fw_event_work *fw_event)
4865{
4866 MPT_ADAPTER *ioc = fw_event->ioc;
4867 MPT_FRAME_HDR *mf;
4868 VirtDevice *vdevice;
4869 int ii;
4870 struct scsi_cmnd *sc;
4871 SCSITaskMgmtReply_t *pScsiTmReply;
4872 u8 issue_reset;
4873 int task_context;
4874 u8 channel, id;
4875 int lun;
4876 u32 termination_count;
4877 u32 query_count;
4878
4879 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4880 "%s - enter\n", ioc->name, __func__));
4881
4882 mutex_lock(&ioc->taskmgmt_cmds.mutex);
4883 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
4884 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
4885 mptsas_requeue_fw_event(ioc, fw_event, 1000);
4886 return;
4887 }
4888
4889 issue_reset = 0;
4890 termination_count = 0;
4891 query_count = 0;
4892 mpt_findImVolumes(ioc);
4893 pScsiTmReply = (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply;
4894
4895 for (ii = 0; ii < ioc->req_depth; ii++) {
4896 if (ioc->fw_events_off)
4897 goto out;
4898 sc = mptscsih_get_scsi_lookup(ioc, ii);
4899 if (!sc)
4900 continue;
4901 mf = MPT_INDEX_2_MFPTR(ioc, ii);
4902 if (!mf)
4903 continue;
4904 task_context = mf->u.frame.hwhdr.msgctxu.MsgContext;
4905 vdevice = sc->device->hostdata;
4906 if (!vdevice || !vdevice->vtarget)
4907 continue;
4908 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
4909 continue; /* skip hidden raid components */
4910 if (vdevice->vtarget->raidVolume)
4911 continue; /* skip hidden raid components */
4912 channel = vdevice->vtarget->channel;
4913 id = vdevice->vtarget->id;
4914 lun = vdevice->lun;
4915 if (mptsas_issue_tm(ioc, MPI_SCSITASKMGMT_TASKTYPE_QUERY_TASK,
4916 channel, id, (u64)lun, task_context, 30, &issue_reset))
4917 goto out;
4918 query_count++;
4919 termination_count +=
4920 le32_to_cpu(pScsiTmReply->TerminationCount);
4921 if ((pScsiTmReply->IOCStatus == MPI_IOCSTATUS_SUCCESS) &&
4922 (pScsiTmReply->ResponseCode ==
4923 MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED ||
4924 pScsiTmReply->ResponseCode ==
4925 MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC))
4926 continue;
4927 if (mptsas_issue_tm(ioc,
4928 MPI_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET,
4929 channel, id, (u64)lun, 0, 30, &issue_reset))
4930 goto out;
4931 termination_count +=
4932 le32_to_cpu(pScsiTmReply->TerminationCount);
4933 }
4934
4935 out:
4936 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4937 "%s - exit, query_count = %d termination_count = %d\n",
4938 ioc->name, __func__, query_count, termination_count));
4939
4940 ioc->broadcast_aen_busy = 0;
4941 mpt_clear_taskmgmt_in_progress_flag(ioc);
4942 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
4943
4944 if (issue_reset) {
4945 printk(MYIOC_s_WARN_FMT
4946 "Issuing Reset from %s!! doorbell=0x%08x\n",
4947 ioc->name, __func__, mpt_GetIocState(ioc, 0));
4948 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
4949 }
4950 mptsas_free_fw_event(ioc, fw_event);
4951}
4952
4953/*
4954 * mptsas_send_ir2_event - handle exposing hidden disk when
4955 * an inactive raid volume is added
4956 *
4957 * @ioc: Pointer to MPT_ADAPTER structure
4958 * @ir2_data
4959 *
4960 */
4961static void
4962mptsas_send_ir2_event(struct fw_event_work *fw_event)
4963{
4964 MPT_ADAPTER *ioc;
4965 struct mptsas_hotplug_event hot_plug_info;
4966 MPI_EVENT_DATA_IR2 *ir2_data;
4967 u8 reasonCode;
4968 RaidPhysDiskPage0_t phys_disk;
4969
4970 ioc = fw_event->ioc;
4971 ir2_data = (MPI_EVENT_DATA_IR2 *)fw_event->event_data;
4972 reasonCode = ir2_data->ReasonCode;
4973
4974 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Entering %s: "
4975 "ReasonCode=%02x\n", ioc->name, __func__, reasonCode));
4976
4977 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
4978 hot_plug_info.id = ir2_data->TargetID;
4979 hot_plug_info.channel = ir2_data->Bus;
4980 switch (reasonCode) {
4981 case MPI_EVENT_IR2_RC_FOREIGN_CFG_DETECTED:
4982 hot_plug_info.event_type = MPTSAS_ADD_INACTIVE_VOLUME;
4983 break;
4984 case MPI_EVENT_IR2_RC_DUAL_PORT_REMOVED:
4985 hot_plug_info.phys_disk_num = ir2_data->PhysDiskNum;
4986 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK;
4987 break;
4988 case MPI_EVENT_IR2_RC_DUAL_PORT_ADDED:
4989 hot_plug_info.phys_disk_num = ir2_data->PhysDiskNum;
4990 mpt_raid_phys_disk_pg0(ioc,
4991 ir2_data->PhysDiskNum, &phys_disk);
4992 hot_plug_info.id = phys_disk.PhysDiskID;
4993 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK;
4994 break;
4995 default:
4996 mptsas_free_fw_event(ioc, fw_event);
4997 return;
4998 }
4999 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
5000}
5001
5002static int
5003mptsas_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *reply)
5004{
5005 u32 event = le32_to_cpu(reply->Event);
5006 int event_data_sz;
5007 struct fw_event_work *fw_event;
5008 unsigned long delay;
5009
5010 if (ioc->bus_type != SAS)
5011 return 0;
5012
5013 /* events turned off due to host reset or driver unloading */
5014 if (ioc->fw_events_off)
5015 return 0;
5016
5017 delay = msecs_to_jiffies(1);
5018 switch (event) {
5019 case MPI_EVENT_SAS_BROADCAST_PRIMITIVE:
5020 {
5021 EVENT_DATA_SAS_BROADCAST_PRIMITIVE *broadcast_event_data =
5022 (EVENT_DATA_SAS_BROADCAST_PRIMITIVE *)reply->Data;
5023 if (broadcast_event_data->Primitive !=
5024 MPI_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT)
5025 return 0;
5026 if (ioc->broadcast_aen_busy)
5027 return 0;
5028 ioc->broadcast_aen_busy = 1;
5029 break;
5030 }
5031 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
5032 {
5033 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data =
5034 (EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *)reply->Data;
5035 u16 ioc_stat;
5036 ioc_stat = le16_to_cpu(reply->IOCStatus);
5037
5038 if (sas_event_data->ReasonCode ==
5039 MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING) {
5040 mptsas_target_reset_queue(ioc, sas_event_data);
5041 return 0;
5042 }
5043 if (sas_event_data->ReasonCode ==
5044 MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET &&
5045 ioc->device_missing_delay &&
5046 (ioc_stat & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)) {
5047 VirtTarget *vtarget = NULL;
5048 u8 id, channel;
5049
5050 id = sas_event_data->TargetID;
5051 channel = sas_event_data->Bus;
5052
5053 vtarget = mptsas_find_vtarget(ioc, channel, id);
5054 if (vtarget) {
5055 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5056 "LogInfo (0x%x) available for "
5057 "INTERNAL_DEVICE_RESET"
5058 "fw_id %d fw_channel %d\n", ioc->name,
5059 le32_to_cpu(reply->IOCLogInfo),
5060 id, channel));
5061 if (vtarget->raidVolume) {
5062 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5063 "Skipping Raid Volume for inDMD\n",
5064 ioc->name));
5065 } else {
5066 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5067 "Setting device flag inDMD\n",
5068 ioc->name));
5069 vtarget->inDMD = 1;
5070 }
5071
5072 }
5073
5074 }
5075
5076 break;
5077 }
5078 case MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE:
5079 {
5080 MpiEventDataSasExpanderStatusChange_t *expander_data =
5081 (MpiEventDataSasExpanderStatusChange_t *)reply->Data;
5082
5083 if (ioc->old_sas_discovery_protocal)
5084 return 0;
5085
5086 if (expander_data->ReasonCode ==
5087 MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING &&
5088 ioc->device_missing_delay)
5089 delay = HZ * ioc->device_missing_delay;
5090 break;
5091 }
5092 case MPI_EVENT_SAS_DISCOVERY:
5093 {
5094 u32 discovery_status;
5095 EventDataSasDiscovery_t *discovery_data =
5096 (EventDataSasDiscovery_t *)reply->Data;
5097
5098 discovery_status = le32_to_cpu(discovery_data->DiscoveryStatus);
5099 ioc->sas_discovery_quiesce_io = discovery_status ? 1 : 0;
5100 if (ioc->old_sas_discovery_protocal && !discovery_status)
5101 mptsas_queue_rescan(ioc);
5102 return 0;
5103 }
5104 case MPI_EVENT_INTEGRATED_RAID:
5105 case MPI_EVENT_PERSISTENT_TABLE_FULL:
5106 case MPI_EVENT_IR2:
5107 case MPI_EVENT_SAS_PHY_LINK_STATUS:
5108 case MPI_EVENT_QUEUE_FULL:
5109 break;
5110 default:
5111 return 0;
5112 }
5113
5114 event_data_sz = ((reply->MsgLength * 4) -
5115 offsetof(EventNotificationReply_t, Data));
5116 fw_event = kzalloc(sizeof(*fw_event) + event_data_sz, GFP_ATOMIC);
5117 if (!fw_event) {
5118 printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n", ioc->name,
5119 __func__, __LINE__);
5120 return 0;
5121 }
5122 memcpy(fw_event->event_data, reply->Data, event_data_sz);
5123 fw_event->event = event;
5124 fw_event->ioc = ioc;
5125 mptsas_add_fw_event(ioc, fw_event, delay);
5126 return 0;
5127}
5128
5129/* Delete a volume when no longer listed in ioc pg2
5130 */
5131static void mptsas_volume_delete(MPT_ADAPTER *ioc, u8 id)
5132{
5133 struct scsi_device *sdev;
5134 int i;
5135
5136 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL, id, 0);
5137 if (!sdev)
5138 return;
5139 if (!ioc->raid_data.pIocPg2)
5140 goto out;
5141 if (!ioc->raid_data.pIocPg2->NumActiveVolumes)
5142 goto out;
5143 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++)
5144 if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID == id)
5145 goto release_sdev;
5146 out:
5147 printk(MYIOC_s_INFO_FMT "removing raid volume, channel %d, "
5148 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL, id);
5149 scsi_remove_device(sdev);
5150 release_sdev:
5151 scsi_device_put(sdev);
5152}
5153
5154static int
5155mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
5156{
5157 struct Scsi_Host *sh;
5158 MPT_SCSI_HOST *hd;
5159 MPT_ADAPTER *ioc;
5160 unsigned long flags;
5161 int ii;
5162 int numSGE = 0;
5163 int scale;
5164 int ioc_cap;
5165 int error=0;
5166 int r;
5167
5168 r = mpt_attach(pdev,id);
5169 if (r)
5170 return r;
5171
5172 ioc = pci_get_drvdata(pdev);
5173 mptsas_fw_event_off(ioc);
5174 ioc->DoneCtx = mptsasDoneCtx;
5175 ioc->TaskCtx = mptsasTaskCtx;
5176 ioc->InternalCtx = mptsasInternalCtx;
5177 ioc->schedule_target_reset = &mptsas_schedule_target_reset;
5178 ioc->schedule_dead_ioc_flush_running_cmds =
5179 &mptscsih_flush_running_cmds;
5180 /* Added sanity check on readiness of the MPT adapter.
5181 */
5182 if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) {
5183 printk(MYIOC_s_WARN_FMT
5184 "Skipping because it's not operational!\n",
5185 ioc->name);
5186 error = -ENODEV;
5187 goto out_mptsas_probe;
5188 }
5189
5190 if (!ioc->active) {
5191 printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n",
5192 ioc->name);
5193 error = -ENODEV;
5194 goto out_mptsas_probe;
5195 }
5196
5197 /* Sanity check - ensure at least 1 port is INITIATOR capable
5198 */
5199 ioc_cap = 0;
5200 for (ii = 0; ii < ioc->facts.NumberOfPorts; ii++) {
5201 if (ioc->pfacts[ii].ProtocolFlags &
5202 MPI_PORTFACTS_PROTOCOL_INITIATOR)
5203 ioc_cap++;
5204 }
5205
5206 if (!ioc_cap) {
5207 printk(MYIOC_s_WARN_FMT
5208 "Skipping ioc=%p because SCSI Initiator mode "
5209 "is NOT enabled!\n", ioc->name, ioc);
5210 return 0;
5211 }
5212
5213 sh = scsi_host_alloc(&mptsas_driver_template, sizeof(MPT_SCSI_HOST));
5214 if (!sh) {
5215 printk(MYIOC_s_WARN_FMT
5216 "Unable to register controller with SCSI subsystem\n",
5217 ioc->name);
5218 error = -1;
5219 goto out_mptsas_probe;
5220 }
5221
5222 spin_lock_irqsave(&ioc->FreeQlock, flags);
5223
5224 /* Attach the SCSI Host to the IOC structure
5225 */
5226 ioc->sh = sh;
5227
5228 sh->io_port = 0;
5229 sh->n_io_port = 0;
5230 sh->irq = 0;
5231
5232 /* set 16 byte cdb's */
5233 sh->max_cmd_len = 16;
5234 sh->can_queue = min_t(int, ioc->req_depth - 10, sh->can_queue);
5235 sh->max_id = -1;
5236 sh->max_lun = max_lun;
5237 sh->transportt = mptsas_transport_template;
5238
5239 /* Required entry.
5240 */
5241 sh->unique_id = ioc->id;
5242
5243 INIT_LIST_HEAD(&ioc->sas_topology);
5244 mutex_init(&ioc->sas_topology_mutex);
5245 mutex_init(&ioc->sas_discovery_mutex);
5246 mutex_init(&ioc->sas_mgmt.mutex);
5247 init_completion(&ioc->sas_mgmt.done);
5248
5249 /* Verify that we won't exceed the maximum
5250 * number of chain buffers
5251 * We can optimize: ZZ = req_sz/sizeof(SGE)
5252 * For 32bit SGE's:
5253 * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ
5254 * + (req_sz - 64)/sizeof(SGE)
5255 * A slightly different algorithm is required for
5256 * 64bit SGEs.
5257 */
5258 scale = ioc->req_sz/ioc->SGE_size;
5259 if (ioc->sg_addr_size == sizeof(u64)) {
5260 numSGE = (scale - 1) *
5261 (ioc->facts.MaxChainDepth-1) + scale +
5262 (ioc->req_sz - 60) / ioc->SGE_size;
5263 } else {
5264 numSGE = 1 + (scale - 1) *
5265 (ioc->facts.MaxChainDepth-1) + scale +
5266 (ioc->req_sz - 64) / ioc->SGE_size;
5267 }
5268
5269 if (numSGE < sh->sg_tablesize) {
5270 /* Reset this value */
5271 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5272 "Resetting sg_tablesize to %d from %d\n",
5273 ioc->name, numSGE, sh->sg_tablesize));
5274 sh->sg_tablesize = numSGE;
5275 }
5276
5277 if (mpt_loadtime_max_sectors) {
5278 if (mpt_loadtime_max_sectors < 64 ||
5279 mpt_loadtime_max_sectors > 8192) {
5280 printk(MYIOC_s_INFO_FMT "Invalid value passed for"
5281 "mpt_loadtime_max_sectors %d."
5282 "Range from 64 to 8192\n", ioc->name,
5283 mpt_loadtime_max_sectors);
5284 }
5285 mpt_loadtime_max_sectors &= 0xFFFFFFFE;
5286 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5287 "Resetting max sector to %d from %d\n",
5288 ioc->name, mpt_loadtime_max_sectors, sh->max_sectors));
5289 sh->max_sectors = mpt_loadtime_max_sectors;
5290 }
5291
5292 hd = shost_priv(sh);
5293 hd->ioc = ioc;
5294
5295 /* SCSI needs scsi_cmnd lookup table!
5296 * (with size equal to req_depth*PtrSz!)
5297 */
5298 ioc->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC);
5299 if (!ioc->ScsiLookup) {
5300 error = -ENOMEM;
5301 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
5302 goto out_mptsas_probe;
5303 }
5304 spin_lock_init(&ioc->scsi_lookup_lock);
5305
5306 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n",
5307 ioc->name, ioc->ScsiLookup));
5308
5309 ioc->sas_data.ptClear = mpt_pt_clear;
5310
5311 hd->last_queue_full = 0;
5312 INIT_LIST_HEAD(&hd->target_reset_list);
5313 INIT_LIST_HEAD(&ioc->sas_device_info_list);
5314 mutex_init(&ioc->sas_device_info_mutex);
5315
5316 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
5317
5318 if (ioc->sas_data.ptClear==1) {
5319 mptbase_sas_persist_operation(
5320 ioc, MPI_SAS_OP_CLEAR_ALL_PERSISTENT);
5321 }
5322
5323 error = scsi_add_host(sh, &ioc->pcidev->dev);
5324 if (error) {
5325 dprintk(ioc, printk(MYIOC_s_ERR_FMT
5326 "scsi_add_host failed\n", ioc->name));
5327 goto out_mptsas_probe;
5328 }
5329
5330 /* older firmware doesn't support expander events */
5331 if ((ioc->facts.HeaderVersion >> 8) < 0xE)
5332 ioc->old_sas_discovery_protocal = 1;
5333 mptsas_scan_sas_topology(ioc);
5334 mptsas_fw_event_on(ioc);
5335 return 0;
5336
5337 out_mptsas_probe:
5338
5339 mptscsih_remove(pdev);
5340 return error;
5341}
5342
5343static void
5344mptsas_shutdown(struct pci_dev *pdev)
5345{
5346 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
5347
5348 mptsas_fw_event_off(ioc);
5349 mptsas_cleanup_fw_event_q(ioc);
5350}
5351
5352static void mptsas_remove(struct pci_dev *pdev)
5353{
5354 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
5355 struct mptsas_portinfo *p, *n;
5356 int i;
5357
5358 if (!ioc->sh) {
5359 printk(MYIOC_s_INFO_FMT "IOC is in Target mode\n", ioc->name);
5360 mpt_detach(pdev);
5361 return;
5362 }
5363
5364 mptsas_shutdown(pdev);
5365
5366 mptsas_del_device_components(ioc);
5367
5368 ioc->sas_discovery_ignore_events = 1;
5369 sas_remove_host(ioc->sh);
5370
5371 mutex_lock(&ioc->sas_topology_mutex);
5372 list_for_each_entry_safe(p, n, &ioc->sas_topology, list) {
5373 list_del(&p->list);
5374 for (i = 0 ; i < p->num_phys ; i++)
5375 mptsas_port_delete(ioc, p->phy_info[i].port_details);
5376
5377 kfree(p->phy_info);
5378 kfree(p);
5379 }
5380 mutex_unlock(&ioc->sas_topology_mutex);
5381 ioc->hba_port_info = NULL;
5382 mptscsih_remove(pdev);
5383}
5384
5385static struct pci_device_id mptsas_pci_table[] = {
5386 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1064,
5387 PCI_ANY_ID, PCI_ANY_ID },
5388 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068,
5389 PCI_ANY_ID, PCI_ANY_ID },
5390 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1064E,
5391 PCI_ANY_ID, PCI_ANY_ID },
5392 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068E,
5393 PCI_ANY_ID, PCI_ANY_ID },
5394 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1078,
5395 PCI_ANY_ID, PCI_ANY_ID },
5396 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068_820XELP,
5397 PCI_ANY_ID, PCI_ANY_ID },
5398 {0} /* Terminating entry */
5399};
5400MODULE_DEVICE_TABLE(pci, mptsas_pci_table);
5401
5402
5403static struct pci_driver mptsas_driver = {
5404 .name = "mptsas",
5405 .id_table = mptsas_pci_table,
5406 .probe = mptsas_probe,
5407 .remove = mptsas_remove,
5408 .shutdown = mptsas_shutdown,
5409#ifdef CONFIG_PM
5410 .suspend = mptscsih_suspend,
5411 .resume = mptscsih_resume,
5412#endif
5413};
5414
5415static int __init
5416mptsas_init(void)
5417{
5418 int error;
5419
5420 show_mptmod_ver(my_NAME, my_VERSION);
5421
5422 mptsas_transport_template =
5423 sas_attach_transport(&mptsas_transport_functions);
5424 if (!mptsas_transport_template)
5425 return -ENODEV;
5426
5427 mptsasDoneCtx = mpt_register(mptscsih_io_done, MPTSAS_DRIVER,
5428 "mptscsih_io_done");
5429 mptsasTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSAS_DRIVER,
5430 "mptscsih_taskmgmt_complete");
5431 mptsasInternalCtx =
5432 mpt_register(mptscsih_scandv_complete, MPTSAS_DRIVER,
5433 "mptscsih_scandv_complete");
5434 mptsasMgmtCtx = mpt_register(mptsas_mgmt_done, MPTSAS_DRIVER,
5435 "mptsas_mgmt_done");
5436 mptsasDeviceResetCtx =
5437 mpt_register(mptsas_taskmgmt_complete, MPTSAS_DRIVER,
5438 "mptsas_taskmgmt_complete");
5439
5440 mpt_event_register(mptsasDoneCtx, mptsas_event_process);
5441 mpt_reset_register(mptsasDoneCtx, mptsas_ioc_reset);
5442
5443 error = pci_register_driver(&mptsas_driver);
5444 if (error)
5445 sas_release_transport(mptsas_transport_template);
5446
5447 return error;
5448}
5449
5450static void __exit
5451mptsas_exit(void)
5452{
5453 pci_unregister_driver(&mptsas_driver);
5454 sas_release_transport(mptsas_transport_template);
5455
5456 mpt_reset_deregister(mptsasDoneCtx);
5457 mpt_event_deregister(mptsasDoneCtx);
5458
5459 mpt_deregister(mptsasMgmtCtx);
5460 mpt_deregister(mptsasInternalCtx);
5461 mpt_deregister(mptsasTaskCtx);
5462 mpt_deregister(mptsasDoneCtx);
5463 mpt_deregister(mptsasDeviceResetCtx);
5464}
5465
5466module_init(mptsas_init);
5467module_exit(mptsas_exit);