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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 u8 mptsasDoneCtx = MPT_MAX_PROTOCOL_DRIVERS;
96static u8 mptsasTaskCtx = MPT_MAX_PROTOCOL_DRIVERS;
97static u8 mptsasInternalCtx = MPT_MAX_PROTOCOL_DRIVERS; /* Used only for internal commands */
98static u8 mptsasMgmtCtx = MPT_MAX_PROTOCOL_DRIVERS;
99static u8 mptsasDeviceResetCtx = MPT_MAX_PROTOCOL_DRIVERS;
100
101static void mptsas_firmware_event_work(struct work_struct *work);
102static void mptsas_send_sas_event(struct fw_event_work *fw_event);
103static void mptsas_send_raid_event(struct fw_event_work *fw_event);
104static void mptsas_send_ir2_event(struct fw_event_work *fw_event);
105static void mptsas_parse_device_info(struct sas_identify *identify,
106 struct mptsas_devinfo *device_info);
107static inline void mptsas_set_rphy(MPT_ADAPTER *ioc,
108 struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy);
109static struct mptsas_phyinfo *mptsas_find_phyinfo_by_sas_address
110 (MPT_ADAPTER *ioc, u64 sas_address);
111static int mptsas_sas_device_pg0(MPT_ADAPTER *ioc,
112 struct mptsas_devinfo *device_info, u32 form, u32 form_specific);
113static int mptsas_sas_enclosure_pg0(MPT_ADAPTER *ioc,
114 struct mptsas_enclosure *enclosure, u32 form, u32 form_specific);
115static int mptsas_add_end_device(MPT_ADAPTER *ioc,
116 struct mptsas_phyinfo *phy_info);
117static void mptsas_del_end_device(MPT_ADAPTER *ioc,
118 struct mptsas_phyinfo *phy_info);
119static void mptsas_send_link_status_event(struct fw_event_work *fw_event);
120static struct mptsas_portinfo *mptsas_find_portinfo_by_sas_address
121 (MPT_ADAPTER *ioc, u64 sas_address);
122static void mptsas_expander_delete(MPT_ADAPTER *ioc,
123 struct mptsas_portinfo *port_info, u8 force);
124static void mptsas_send_expander_event(struct fw_event_work *fw_event);
125static void mptsas_not_responding_devices(MPT_ADAPTER *ioc);
126static void mptsas_scan_sas_topology(MPT_ADAPTER *ioc);
127static void mptsas_broadcast_primative_work(struct fw_event_work *fw_event);
128static void mptsas_handle_queue_full_event(struct fw_event_work *fw_event);
129static void mptsas_volume_delete(MPT_ADAPTER *ioc, u8 id);
130void mptsas_schedule_target_reset(void *ioc);
131
132static void mptsas_print_phy_data(MPT_ADAPTER *ioc,
133 MPI_SAS_IO_UNIT0_PHY_DATA *phy_data)
134{
135 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
136 "---- IO UNIT PAGE 0 ------------\n", ioc->name));
137 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Handle=0x%X\n",
138 ioc->name, le16_to_cpu(phy_data->AttachedDeviceHandle)));
139 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Controller Handle=0x%X\n",
140 ioc->name, le16_to_cpu(phy_data->ControllerDevHandle)));
141 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Port=0x%X\n",
142 ioc->name, phy_data->Port));
143 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Port Flags=0x%X\n",
144 ioc->name, phy_data->PortFlags));
145 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PHY Flags=0x%X\n",
146 ioc->name, phy_data->PhyFlags));
147 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Negotiated Link Rate=0x%X\n",
148 ioc->name, phy_data->NegotiatedLinkRate));
149 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
150 "Controller PHY Device Info=0x%X\n", ioc->name,
151 le32_to_cpu(phy_data->ControllerPhyDeviceInfo)));
152 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DiscoveryStatus=0x%X\n\n",
153 ioc->name, le32_to_cpu(phy_data->DiscoveryStatus)));
154}
155
156static void mptsas_print_phy_pg0(MPT_ADAPTER *ioc, SasPhyPage0_t *pg0)
157{
158 __le64 sas_address;
159
160 memcpy(&sas_address, &pg0->SASAddress, sizeof(__le64));
161
162 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
163 "---- SAS PHY PAGE 0 ------------\n", ioc->name));
164 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
165 "Attached Device Handle=0x%X\n", ioc->name,
166 le16_to_cpu(pg0->AttachedDevHandle)));
167 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SAS Address=0x%llX\n",
168 ioc->name, (unsigned long long)le64_to_cpu(sas_address)));
169 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
170 "Attached PHY Identifier=0x%X\n", ioc->name,
171 pg0->AttachedPhyIdentifier));
172 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Attached Device Info=0x%X\n",
173 ioc->name, le32_to_cpu(pg0->AttachedDeviceInfo)));
174 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Programmed Link Rate=0x%X\n",
175 ioc->name, pg0->ProgrammedLinkRate));
176 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Change Count=0x%X\n",
177 ioc->name, pg0->ChangeCount));
178 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PHY Info=0x%X\n\n",
179 ioc->name, le32_to_cpu(pg0->PhyInfo)));
180}
181
182static void mptsas_print_phy_pg1(MPT_ADAPTER *ioc, SasPhyPage1_t *pg1)
183{
184 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
185 "---- SAS PHY PAGE 1 ------------\n", ioc->name));
186 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Invalid Dword Count=0x%x\n",
187 ioc->name, pg1->InvalidDwordCount));
188 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
189 "Running Disparity Error Count=0x%x\n", ioc->name,
190 pg1->RunningDisparityErrorCount));
191 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
192 "Loss Dword Synch Count=0x%x\n", ioc->name,
193 pg1->LossDwordSynchCount));
194 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
195 "PHY Reset Problem Count=0x%x\n\n", ioc->name,
196 pg1->PhyResetProblemCount));
197}
198
199static void mptsas_print_device_pg0(MPT_ADAPTER *ioc, SasDevicePage0_t *pg0)
200{
201 __le64 sas_address;
202
203 memcpy(&sas_address, &pg0->SASAddress, sizeof(__le64));
204
205 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
206 "---- SAS DEVICE PAGE 0 ---------\n", ioc->name));
207 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Handle=0x%X\n",
208 ioc->name, le16_to_cpu(pg0->DevHandle)));
209 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Parent Handle=0x%X\n",
210 ioc->name, le16_to_cpu(pg0->ParentDevHandle)));
211 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Enclosure Handle=0x%X\n",
212 ioc->name, le16_to_cpu(pg0->EnclosureHandle)));
213 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Slot=0x%X\n",
214 ioc->name, le16_to_cpu(pg0->Slot)));
215 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SAS Address=0x%llX\n",
216 ioc->name, (unsigned long long)le64_to_cpu(sas_address)));
217 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Target ID=0x%X\n",
218 ioc->name, pg0->TargetID));
219 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Bus=0x%X\n",
220 ioc->name, pg0->Bus));
221 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Parent Phy Num=0x%X\n",
222 ioc->name, pg0->PhyNum));
223 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Access Status=0x%X\n",
224 ioc->name, le16_to_cpu(pg0->AccessStatus)));
225 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Device Info=0x%X\n",
226 ioc->name, le32_to_cpu(pg0->DeviceInfo)));
227 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Flags=0x%X\n",
228 ioc->name, le16_to_cpu(pg0->Flags)));
229 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Physical Port=0x%X\n\n",
230 ioc->name, pg0->PhysicalPort));
231}
232
233static void mptsas_print_expander_pg1(MPT_ADAPTER *ioc, SasExpanderPage1_t *pg1)
234{
235 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
236 "---- SAS EXPANDER PAGE 1 ------------\n", ioc->name));
237 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Physical Port=0x%X\n",
238 ioc->name, pg1->PhysicalPort));
239 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PHY Identifier=0x%X\n",
240 ioc->name, pg1->PhyIdentifier));
241 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Negotiated Link Rate=0x%X\n",
242 ioc->name, pg1->NegotiatedLinkRate));
243 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Programmed Link Rate=0x%X\n",
244 ioc->name, pg1->ProgrammedLinkRate));
245 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hardware Link Rate=0x%X\n",
246 ioc->name, pg1->HwLinkRate));
247 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Owner Device Handle=0x%X\n",
248 ioc->name, le16_to_cpu(pg1->OwnerDevHandle)));
249 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT
250 "Attached Device Handle=0x%X\n\n", ioc->name,
251 le16_to_cpu(pg1->AttachedDevHandle)));
252}
253
254/* inhibit sas firmware event handling */
255static void
256mptsas_fw_event_off(MPT_ADAPTER *ioc)
257{
258 unsigned long flags;
259
260 spin_lock_irqsave(&ioc->fw_event_lock, flags);
261 ioc->fw_events_off = 1;
262 ioc->sas_discovery_quiesce_io = 0;
263 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
264
265}
266
267/* enable sas firmware event handling */
268static void
269mptsas_fw_event_on(MPT_ADAPTER *ioc)
270{
271 unsigned long flags;
272
273 spin_lock_irqsave(&ioc->fw_event_lock, flags);
274 ioc->fw_events_off = 0;
275 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
276}
277
278/* queue a sas firmware event */
279static void
280mptsas_add_fw_event(MPT_ADAPTER *ioc, struct fw_event_work *fw_event,
281 unsigned long delay)
282{
283 unsigned long flags;
284
285 spin_lock_irqsave(&ioc->fw_event_lock, flags);
286 list_add_tail(&fw_event->list, &ioc->fw_event_list);
287 INIT_DELAYED_WORK(&fw_event->work, mptsas_firmware_event_work);
288 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: add (fw_event=0x%p)\n",
289 ioc->name, __func__, fw_event));
290 queue_delayed_work(ioc->fw_event_q, &fw_event->work,
291 delay);
292 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
293}
294
295/* requeue a sas firmware event */
296static void
297mptsas_requeue_fw_event(MPT_ADAPTER *ioc, struct fw_event_work *fw_event,
298 unsigned long delay)
299{
300 unsigned long flags;
301 spin_lock_irqsave(&ioc->fw_event_lock, flags);
302 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: reschedule task "
303 "(fw_event=0x%p)\n", ioc->name, __func__, fw_event));
304 fw_event->retries++;
305 queue_delayed_work(ioc->fw_event_q, &fw_event->work,
306 msecs_to_jiffies(delay));
307 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
308}
309
310/* free memory associated to a sas firmware event */
311static void
312mptsas_free_fw_event(MPT_ADAPTER *ioc, struct fw_event_work *fw_event)
313{
314 unsigned long flags;
315
316 spin_lock_irqsave(&ioc->fw_event_lock, flags);
317 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: kfree (fw_event=0x%p)\n",
318 ioc->name, __func__, fw_event));
319 list_del(&fw_event->list);
320 kfree(fw_event);
321 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
322}
323
324/* walk the firmware event queue, and either stop or wait for
325 * outstanding events to complete */
326static void
327mptsas_cleanup_fw_event_q(MPT_ADAPTER *ioc)
328{
329 struct fw_event_work *fw_event, *next;
330 struct mptsas_target_reset_event *target_reset_list, *n;
331 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
332
333 /* flush the target_reset_list */
334 if (!list_empty(&hd->target_reset_list)) {
335 list_for_each_entry_safe(target_reset_list, n,
336 &hd->target_reset_list, list) {
337 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
338 "%s: removing target reset for id=%d\n",
339 ioc->name, __func__,
340 target_reset_list->sas_event_data.TargetID));
341 list_del(&target_reset_list->list);
342 kfree(target_reset_list);
343 }
344 }
345
346 if (list_empty(&ioc->fw_event_list) ||
347 !ioc->fw_event_q || in_interrupt())
348 return;
349
350 list_for_each_entry_safe(fw_event, next, &ioc->fw_event_list, list) {
351 if (cancel_delayed_work(&fw_event->work))
352 mptsas_free_fw_event(ioc, fw_event);
353 }
354}
355
356
357static inline MPT_ADAPTER *phy_to_ioc(struct sas_phy *phy)
358{
359 struct Scsi_Host *shost = dev_to_shost(phy->dev.parent);
360 return ((MPT_SCSI_HOST *)shost->hostdata)->ioc;
361}
362
363static inline MPT_ADAPTER *rphy_to_ioc(struct sas_rphy *rphy)
364{
365 struct Scsi_Host *shost = dev_to_shost(rphy->dev.parent->parent);
366 return ((MPT_SCSI_HOST *)shost->hostdata)->ioc;
367}
368
369/*
370 * mptsas_find_portinfo_by_handle
371 *
372 * This function should be called with the sas_topology_mutex already held
373 */
374static struct mptsas_portinfo *
375mptsas_find_portinfo_by_handle(MPT_ADAPTER *ioc, u16 handle)
376{
377 struct mptsas_portinfo *port_info, *rc=NULL;
378 int i;
379
380 list_for_each_entry(port_info, &ioc->sas_topology, list)
381 for (i = 0; i < port_info->num_phys; i++)
382 if (port_info->phy_info[i].identify.handle == handle) {
383 rc = port_info;
384 goto out;
385 }
386 out:
387 return rc;
388}
389
390/**
391 * mptsas_find_portinfo_by_sas_address -
392 * @ioc: Pointer to MPT_ADAPTER structure
393 * @handle:
394 *
395 * This function should be called with the sas_topology_mutex already held
396 *
397 **/
398static struct mptsas_portinfo *
399mptsas_find_portinfo_by_sas_address(MPT_ADAPTER *ioc, u64 sas_address)
400{
401 struct mptsas_portinfo *port_info, *rc = NULL;
402 int i;
403
404 if (sas_address >= ioc->hba_port_sas_addr &&
405 sas_address < (ioc->hba_port_sas_addr +
406 ioc->hba_port_num_phy))
407 return ioc->hba_port_info;
408
409 mutex_lock(&ioc->sas_topology_mutex);
410 list_for_each_entry(port_info, &ioc->sas_topology, list)
411 for (i = 0; i < port_info->num_phys; i++)
412 if (port_info->phy_info[i].identify.sas_address ==
413 sas_address) {
414 rc = port_info;
415 goto out;
416 }
417 out:
418 mutex_unlock(&ioc->sas_topology_mutex);
419 return rc;
420}
421
422/*
423 * Returns true if there is a scsi end device
424 */
425static inline int
426mptsas_is_end_device(struct mptsas_devinfo * attached)
427{
428 if ((attached->sas_address) &&
429 (attached->device_info &
430 MPI_SAS_DEVICE_INFO_END_DEVICE) &&
431 ((attached->device_info &
432 MPI_SAS_DEVICE_INFO_SSP_TARGET) |
433 (attached->device_info &
434 MPI_SAS_DEVICE_INFO_STP_TARGET) |
435 (attached->device_info &
436 MPI_SAS_DEVICE_INFO_SATA_DEVICE)))
437 return 1;
438 else
439 return 0;
440}
441
442/* no mutex */
443static void
444mptsas_port_delete(MPT_ADAPTER *ioc, struct mptsas_portinfo_details * port_details)
445{
446 struct mptsas_portinfo *port_info;
447 struct mptsas_phyinfo *phy_info;
448 u8 i;
449
450 if (!port_details)
451 return;
452
453 port_info = port_details->port_info;
454 phy_info = port_info->phy_info;
455
456 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: [%p]: num_phys=%02d "
457 "bitmask=0x%016llX\n", ioc->name, __func__, port_details,
458 port_details->num_phys, (unsigned long long)
459 port_details->phy_bitmask));
460
461 for (i = 0; i < port_info->num_phys; i++, phy_info++) {
462 if(phy_info->port_details != port_details)
463 continue;
464 memset(&phy_info->attached, 0, sizeof(struct mptsas_devinfo));
465 mptsas_set_rphy(ioc, phy_info, NULL);
466 phy_info->port_details = NULL;
467 }
468 kfree(port_details);
469}
470
471static inline struct sas_rphy *
472mptsas_get_rphy(struct mptsas_phyinfo *phy_info)
473{
474 if (phy_info->port_details)
475 return phy_info->port_details->rphy;
476 else
477 return NULL;
478}
479
480static inline void
481mptsas_set_rphy(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy)
482{
483 if (phy_info->port_details) {
484 phy_info->port_details->rphy = rphy;
485 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sas_rphy_add: rphy=%p\n",
486 ioc->name, rphy));
487 }
488
489 if (rphy) {
490 dsaswideprintk(ioc, dev_printk(KERN_DEBUG,
491 &rphy->dev, MYIOC_s_FMT "add:", ioc->name));
492 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "rphy=%p release=%p\n",
493 ioc->name, rphy, rphy->dev.release));
494 }
495}
496
497static inline struct sas_port *
498mptsas_get_port(struct mptsas_phyinfo *phy_info)
499{
500 if (phy_info->port_details)
501 return phy_info->port_details->port;
502 else
503 return NULL;
504}
505
506static inline void
507mptsas_set_port(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_port *port)
508{
509 if (phy_info->port_details)
510 phy_info->port_details->port = port;
511
512 if (port) {
513 dsaswideprintk(ioc, dev_printk(KERN_DEBUG,
514 &port->dev, MYIOC_s_FMT "add:", ioc->name));
515 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "port=%p release=%p\n",
516 ioc->name, port, port->dev.release));
517 }
518}
519
520static inline struct scsi_target *
521mptsas_get_starget(struct mptsas_phyinfo *phy_info)
522{
523 if (phy_info->port_details)
524 return phy_info->port_details->starget;
525 else
526 return NULL;
527}
528
529static inline void
530mptsas_set_starget(struct mptsas_phyinfo *phy_info, struct scsi_target *
531starget)
532{
533 if (phy_info->port_details)
534 phy_info->port_details->starget = starget;
535}
536
537/**
538 * mptsas_add_device_component -
539 * @ioc: Pointer to MPT_ADAPTER structure
540 * @channel: fw mapped id's
541 * @id:
542 * @sas_address:
543 * @device_info:
544 *
545 **/
546static void
547mptsas_add_device_component(MPT_ADAPTER *ioc, u8 channel, u8 id,
548 u64 sas_address, u32 device_info, u16 slot, u64 enclosure_logical_id)
549{
550 struct mptsas_device_info *sas_info, *next;
551 struct scsi_device *sdev;
552 struct scsi_target *starget;
553 struct sas_rphy *rphy;
554
555 /*
556 * Delete all matching devices out of the list
557 */
558 mutex_lock(&ioc->sas_device_info_mutex);
559 list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list,
560 list) {
561 if (!sas_info->is_logical_volume &&
562 (sas_info->sas_address == sas_address ||
563 (sas_info->fw.channel == channel &&
564 sas_info->fw.id == id))) {
565 list_del(&sas_info->list);
566 kfree(sas_info);
567 }
568 }
569
570 sas_info = kzalloc(sizeof(struct mptsas_device_info), GFP_KERNEL);
571 if (!sas_info)
572 goto out;
573
574 /*
575 * Set Firmware mapping
576 */
577 sas_info->fw.id = id;
578 sas_info->fw.channel = channel;
579
580 sas_info->sas_address = sas_address;
581 sas_info->device_info = device_info;
582 sas_info->slot = slot;
583 sas_info->enclosure_logical_id = enclosure_logical_id;
584 INIT_LIST_HEAD(&sas_info->list);
585 list_add_tail(&sas_info->list, &ioc->sas_device_info_list);
586
587 /*
588 * Set OS mapping
589 */
590 shost_for_each_device(sdev, ioc->sh) {
591 starget = scsi_target(sdev);
592 rphy = dev_to_rphy(starget->dev.parent);
593 if (rphy->identify.sas_address == sas_address) {
594 sas_info->os.id = starget->id;
595 sas_info->os.channel = starget->channel;
596 }
597 }
598
599 out:
600 mutex_unlock(&ioc->sas_device_info_mutex);
601 return;
602}
603
604/**
605 * mptsas_add_device_component_by_fw -
606 * @ioc: Pointer to MPT_ADAPTER structure
607 * @channel: fw mapped id's
608 * @id:
609 *
610 **/
611static void
612mptsas_add_device_component_by_fw(MPT_ADAPTER *ioc, u8 channel, u8 id)
613{
614 struct mptsas_devinfo sas_device;
615 struct mptsas_enclosure enclosure_info;
616 int rc;
617
618 rc = mptsas_sas_device_pg0(ioc, &sas_device,
619 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
620 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
621 (channel << 8) + id);
622 if (rc)
623 return;
624
625 memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure));
626 mptsas_sas_enclosure_pg0(ioc, &enclosure_info,
627 (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE <<
628 MPI_SAS_ENCLOS_PGAD_FORM_SHIFT),
629 sas_device.handle_enclosure);
630
631 mptsas_add_device_component(ioc, sas_device.channel,
632 sas_device.id, sas_device.sas_address, sas_device.device_info,
633 sas_device.slot, enclosure_info.enclosure_logical_id);
634}
635
636/**
637 * mptsas_add_device_component_starget_ir - Handle Integrated RAID, adding each individual device to list
638 * @ioc: Pointer to MPT_ADAPTER structure
639 * @channel: fw mapped id's
640 * @id:
641 *
642 **/
643static void
644mptsas_add_device_component_starget_ir(MPT_ADAPTER *ioc,
645 struct scsi_target *starget)
646{
647 CONFIGPARMS cfg;
648 ConfigPageHeader_t hdr;
649 dma_addr_t dma_handle;
650 pRaidVolumePage0_t buffer = NULL;
651 int i;
652 RaidPhysDiskPage0_t phys_disk;
653 struct mptsas_device_info *sas_info, *next;
654
655 memset(&cfg, 0 , sizeof(CONFIGPARMS));
656 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
657 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME;
658 /* assumption that all volumes on channel = 0 */
659 cfg.pageAddr = starget->id;
660 cfg.cfghdr.hdr = &hdr;
661 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
662 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
663
664 if (mpt_config(ioc, &cfg) != 0)
665 goto out;
666
667 if (!hdr.PageLength)
668 goto out;
669
670 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
671 &dma_handle);
672
673 if (!buffer)
674 goto out;
675
676 cfg.physAddr = dma_handle;
677 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
678
679 if (mpt_config(ioc, &cfg) != 0)
680 goto out;
681
682 if (!buffer->NumPhysDisks)
683 goto out;
684
685 /*
686 * Adding entry for hidden components
687 */
688 for (i = 0; i < buffer->NumPhysDisks; i++) {
689
690 if (mpt_raid_phys_disk_pg0(ioc,
691 buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0)
692 continue;
693
694 mptsas_add_device_component_by_fw(ioc, phys_disk.PhysDiskBus,
695 phys_disk.PhysDiskID);
696
697 mutex_lock(&ioc->sas_device_info_mutex);
698 list_for_each_entry(sas_info, &ioc->sas_device_info_list,
699 list) {
700 if (!sas_info->is_logical_volume &&
701 (sas_info->fw.channel == phys_disk.PhysDiskBus &&
702 sas_info->fw.id == phys_disk.PhysDiskID)) {
703 sas_info->is_hidden_raid_component = 1;
704 sas_info->volume_id = starget->id;
705 }
706 }
707 mutex_unlock(&ioc->sas_device_info_mutex);
708
709 }
710
711 /*
712 * Delete all matching devices out of the list
713 */
714 mutex_lock(&ioc->sas_device_info_mutex);
715 list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list,
716 list) {
717 if (sas_info->is_logical_volume && sas_info->fw.id ==
718 starget->id) {
719 list_del(&sas_info->list);
720 kfree(sas_info);
721 }
722 }
723
724 sas_info = kzalloc(sizeof(struct mptsas_device_info), GFP_KERNEL);
725 if (sas_info) {
726 sas_info->fw.id = starget->id;
727 sas_info->os.id = starget->id;
728 sas_info->os.channel = starget->channel;
729 sas_info->is_logical_volume = 1;
730 INIT_LIST_HEAD(&sas_info->list);
731 list_add_tail(&sas_info->list, &ioc->sas_device_info_list);
732 }
733 mutex_unlock(&ioc->sas_device_info_mutex);
734
735 out:
736 if (buffer)
737 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
738 dma_handle);
739}
740
741/**
742 * mptsas_add_device_component_starget -
743 * @ioc: Pointer to MPT_ADAPTER structure
744 * @starget:
745 *
746 **/
747static void
748mptsas_add_device_component_starget(MPT_ADAPTER *ioc,
749 struct scsi_target *starget)
750{
751 VirtTarget *vtarget;
752 struct sas_rphy *rphy;
753 struct mptsas_phyinfo *phy_info = NULL;
754 struct mptsas_enclosure enclosure_info;
755
756 rphy = dev_to_rphy(starget->dev.parent);
757 vtarget = starget->hostdata;
758 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
759 rphy->identify.sas_address);
760 if (!phy_info)
761 return;
762
763 memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure));
764 mptsas_sas_enclosure_pg0(ioc, &enclosure_info,
765 (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE <<
766 MPI_SAS_ENCLOS_PGAD_FORM_SHIFT),
767 phy_info->attached.handle_enclosure);
768
769 mptsas_add_device_component(ioc, phy_info->attached.channel,
770 phy_info->attached.id, phy_info->attached.sas_address,
771 phy_info->attached.device_info,
772 phy_info->attached.slot, enclosure_info.enclosure_logical_id);
773}
774
775/**
776 * mptsas_del_device_component_by_os - Once a device has been removed, we mark the entry in the list as being cached
777 * @ioc: Pointer to MPT_ADAPTER structure
778 * @channel: os mapped id's
779 * @id:
780 *
781 **/
782static void
783mptsas_del_device_component_by_os(MPT_ADAPTER *ioc, u8 channel, u8 id)
784{
785 struct mptsas_device_info *sas_info, *next;
786
787 /*
788 * Set is_cached flag
789 */
790 list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list,
791 list) {
792 if (sas_info->os.channel == channel && sas_info->os.id == id)
793 sas_info->is_cached = 1;
794 }
795}
796
797/**
798 * mptsas_del_device_components - Cleaning the list
799 * @ioc: Pointer to MPT_ADAPTER structure
800 *
801 **/
802static void
803mptsas_del_device_components(MPT_ADAPTER *ioc)
804{
805 struct mptsas_device_info *sas_info, *next;
806
807 mutex_lock(&ioc->sas_device_info_mutex);
808 list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list,
809 list) {
810 list_del(&sas_info->list);
811 kfree(sas_info);
812 }
813 mutex_unlock(&ioc->sas_device_info_mutex);
814}
815
816
817/*
818 * mptsas_setup_wide_ports
819 *
820 * Updates for new and existing narrow/wide port configuration
821 * in the sas_topology
822 */
823static void
824mptsas_setup_wide_ports(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
825{
826 struct mptsas_portinfo_details * port_details;
827 struct mptsas_phyinfo *phy_info, *phy_info_cmp;
828 u64 sas_address;
829 int i, j;
830
831 mutex_lock(&ioc->sas_topology_mutex);
832
833 phy_info = port_info->phy_info;
834 for (i = 0 ; i < port_info->num_phys ; i++, phy_info++) {
835 if (phy_info->attached.handle)
836 continue;
837 port_details = phy_info->port_details;
838 if (!port_details)
839 continue;
840 if (port_details->num_phys < 2)
841 continue;
842 /*
843 * Removing a phy from a port, letting the last
844 * phy be removed by firmware events.
845 */
846 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT
847 "%s: [%p]: deleting phy = %d\n",
848 ioc->name, __func__, port_details, i));
849 port_details->num_phys--;
850 port_details->phy_bitmask &= ~ (1 << phy_info->phy_id);
851 memset(&phy_info->attached, 0, sizeof(struct mptsas_devinfo));
852 if (phy_info->phy) {
853 devtprintk(ioc, dev_printk(KERN_DEBUG,
854 &phy_info->phy->dev, MYIOC_s_FMT
855 "delete phy %d, phy-obj (0x%p)\n", ioc->name,
856 phy_info->phy_id, phy_info->phy));
857 sas_port_delete_phy(port_details->port, phy_info->phy);
858 }
859 phy_info->port_details = NULL;
860 }
861
862 /*
863 * Populate and refresh the tree
864 */
865 phy_info = port_info->phy_info;
866 for (i = 0 ; i < port_info->num_phys ; i++, phy_info++) {
867 sas_address = phy_info->attached.sas_address;
868 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "phy_id=%d sas_address=0x%018llX\n",
869 ioc->name, i, (unsigned long long)sas_address));
870 if (!sas_address)
871 continue;
872 port_details = phy_info->port_details;
873 /*
874 * Forming a port
875 */
876 if (!port_details) {
877 port_details = kzalloc(sizeof(struct
878 mptsas_portinfo_details), GFP_KERNEL);
879 if (!port_details)
880 goto out;
881 port_details->num_phys = 1;
882 port_details->port_info = port_info;
883 if (phy_info->phy_id < 64 )
884 port_details->phy_bitmask |=
885 (1 << phy_info->phy_id);
886 phy_info->sas_port_add_phy=1;
887 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\t\tForming port\n\t\t"
888 "phy_id=%d sas_address=0x%018llX\n",
889 ioc->name, i, (unsigned long long)sas_address));
890 phy_info->port_details = port_details;
891 }
892
893 if (i == port_info->num_phys - 1)
894 continue;
895 phy_info_cmp = &port_info->phy_info[i + 1];
896 for (j = i + 1 ; j < port_info->num_phys ; j++,
897 phy_info_cmp++) {
898 if (!phy_info_cmp->attached.sas_address)
899 continue;
900 if (sas_address != phy_info_cmp->attached.sas_address)
901 continue;
902 if (phy_info_cmp->port_details == port_details )
903 continue;
904 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT
905 "\t\tphy_id=%d sas_address=0x%018llX\n",
906 ioc->name, j, (unsigned long long)
907 phy_info_cmp->attached.sas_address));
908 if (phy_info_cmp->port_details) {
909 port_details->rphy =
910 mptsas_get_rphy(phy_info_cmp);
911 port_details->port =
912 mptsas_get_port(phy_info_cmp);
913 port_details->starget =
914 mptsas_get_starget(phy_info_cmp);
915 port_details->num_phys =
916 phy_info_cmp->port_details->num_phys;
917 if (!phy_info_cmp->port_details->num_phys)
918 kfree(phy_info_cmp->port_details);
919 } else
920 phy_info_cmp->sas_port_add_phy=1;
921 /*
922 * Adding a phy to a port
923 */
924 phy_info_cmp->port_details = port_details;
925 if (phy_info_cmp->phy_id < 64 )
926 port_details->phy_bitmask |=
927 (1 << phy_info_cmp->phy_id);
928 port_details->num_phys++;
929 }
930 }
931
932 out:
933
934 for (i = 0; i < port_info->num_phys; i++) {
935 port_details = port_info->phy_info[i].port_details;
936 if (!port_details)
937 continue;
938 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT
939 "%s: [%p]: phy_id=%02d num_phys=%02d "
940 "bitmask=0x%016llX\n", ioc->name, __func__,
941 port_details, i, port_details->num_phys,
942 (unsigned long long)port_details->phy_bitmask));
943 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\t\tport = %p rphy=%p\n",
944 ioc->name, port_details->port, port_details->rphy));
945 }
946 dsaswideprintk(ioc, printk("\n"));
947 mutex_unlock(&ioc->sas_topology_mutex);
948}
949
950/**
951 * csmisas_find_vtarget
952 *
953 * @ioc
954 * @volume_id
955 * @volume_bus
956 *
957 **/
958static VirtTarget *
959mptsas_find_vtarget(MPT_ADAPTER *ioc, u8 channel, u8 id)
960{
961 struct scsi_device *sdev;
962 VirtDevice *vdevice;
963 VirtTarget *vtarget = NULL;
964
965 shost_for_each_device(sdev, ioc->sh) {
966 vdevice = sdev->hostdata;
967 if ((vdevice == NULL) ||
968 (vdevice->vtarget == NULL))
969 continue;
970 if ((vdevice->vtarget->tflags &
971 MPT_TARGET_FLAGS_RAID_COMPONENT ||
972 vdevice->vtarget->raidVolume))
973 continue;
974 if (vdevice->vtarget->id == id &&
975 vdevice->vtarget->channel == channel)
976 vtarget = vdevice->vtarget;
977 }
978 return vtarget;
979}
980
981static void
982mptsas_queue_device_delete(MPT_ADAPTER *ioc,
983 MpiEventDataSasDeviceStatusChange_t *sas_event_data)
984{
985 struct fw_event_work *fw_event;
986 int sz;
987
988 sz = offsetof(struct fw_event_work, event_data) +
989 sizeof(MpiEventDataSasDeviceStatusChange_t);
990 fw_event = kzalloc(sz, GFP_ATOMIC);
991 if (!fw_event) {
992 printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n",
993 ioc->name, __func__, __LINE__);
994 return;
995 }
996 memcpy(fw_event->event_data, sas_event_data,
997 sizeof(MpiEventDataSasDeviceStatusChange_t));
998 fw_event->event = MPI_EVENT_SAS_DEVICE_STATUS_CHANGE;
999 fw_event->ioc = ioc;
1000 mptsas_add_fw_event(ioc, fw_event, msecs_to_jiffies(1));
1001}
1002
1003static void
1004mptsas_queue_rescan(MPT_ADAPTER *ioc)
1005{
1006 struct fw_event_work *fw_event;
1007 int sz;
1008
1009 sz = offsetof(struct fw_event_work, event_data);
1010 fw_event = kzalloc(sz, GFP_ATOMIC);
1011 if (!fw_event) {
1012 printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n",
1013 ioc->name, __func__, __LINE__);
1014 return;
1015 }
1016 fw_event->event = -1;
1017 fw_event->ioc = ioc;
1018 mptsas_add_fw_event(ioc, fw_event, msecs_to_jiffies(1));
1019}
1020
1021
1022/**
1023 * mptsas_target_reset
1024 *
1025 * Issues TARGET_RESET to end device using handshaking method
1026 *
1027 * @ioc
1028 * @channel
1029 * @id
1030 *
1031 * Returns (1) success
1032 * (0) failure
1033 *
1034 **/
1035static int
1036mptsas_target_reset(MPT_ADAPTER *ioc, u8 channel, u8 id)
1037{
1038 MPT_FRAME_HDR *mf;
1039 SCSITaskMgmt_t *pScsiTm;
1040 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0)
1041 return 0;
1042
1043
1044 mf = mpt_get_msg_frame(mptsasDeviceResetCtx, ioc);
1045 if (mf == NULL) {
1046 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT
1047 "%s, no msg frames @%d!!\n", ioc->name,
1048 __func__, __LINE__));
1049 goto out_fail;
1050 }
1051
1052 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
1053 ioc->name, mf));
1054
1055 /* Format the Request
1056 */
1057 pScsiTm = (SCSITaskMgmt_t *) mf;
1058 memset (pScsiTm, 0, sizeof(SCSITaskMgmt_t));
1059 pScsiTm->TargetID = id;
1060 pScsiTm->Bus = channel;
1061 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1062 pScsiTm->TaskType = MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
1063 pScsiTm->MsgFlags = MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION;
1064
1065 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)mf);
1066
1067 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1068 "TaskMgmt type=%d (sas device delete) fw_channel = %d fw_id = %d)\n",
1069 ioc->name, MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET, channel, id));
1070
1071 mpt_put_msg_frame_hi_pri(mptsasDeviceResetCtx, ioc, mf);
1072
1073 return 1;
1074
1075 out_fail:
1076
1077 mpt_clear_taskmgmt_in_progress_flag(ioc);
1078 return 0;
1079}
1080
1081static void
1082mptsas_block_io_sdev(struct scsi_device *sdev, void *data)
1083{
1084 scsi_device_set_state(sdev, SDEV_BLOCK);
1085}
1086
1087static void
1088mptsas_block_io_starget(struct scsi_target *starget)
1089{
1090 if (starget)
1091 starget_for_each_device(starget, NULL, mptsas_block_io_sdev);
1092}
1093
1094/**
1095 * mptsas_target_reset_queue
1096 *
1097 * Receive request for TARGET_RESET after receiving an firmware
1098 * event NOT_RESPONDING_EVENT, then put command in link list
1099 * and queue if task_queue already in use.
1100 *
1101 * @ioc
1102 * @sas_event_data
1103 *
1104 **/
1105static void
1106mptsas_target_reset_queue(MPT_ADAPTER *ioc,
1107 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data)
1108{
1109 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
1110 VirtTarget *vtarget = NULL;
1111 struct mptsas_target_reset_event *target_reset_list;
1112 u8 id, channel;
1113
1114 id = sas_event_data->TargetID;
1115 channel = sas_event_data->Bus;
1116
1117 vtarget = mptsas_find_vtarget(ioc, channel, id);
1118 if (vtarget) {
1119 mptsas_block_io_starget(vtarget->starget);
1120 vtarget->deleted = 1; /* block IO */
1121 }
1122
1123 target_reset_list = kzalloc(sizeof(struct mptsas_target_reset_event),
1124 GFP_ATOMIC);
1125 if (!target_reset_list) {
1126 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT
1127 "%s, failed to allocate mem @%d..!!\n",
1128 ioc->name, __func__, __LINE__));
1129 return;
1130 }
1131
1132 memcpy(&target_reset_list->sas_event_data, sas_event_data,
1133 sizeof(*sas_event_data));
1134 list_add_tail(&target_reset_list->list, &hd->target_reset_list);
1135
1136 target_reset_list->time_count = jiffies;
1137
1138 if (mptsas_target_reset(ioc, channel, id)) {
1139 target_reset_list->target_reset_issued = 1;
1140 }
1141}
1142
1143/**
1144 * mptsas_schedule_target_reset- send pending target reset
1145 * @iocp: per adapter object
1146 *
1147 * This function will delete scheduled target reset from the list and
1148 * try to send next target reset. This will be called from completion
1149 * context of any Task management command.
1150 */
1151
1152void
1153mptsas_schedule_target_reset(void *iocp)
1154{
1155 MPT_ADAPTER *ioc = (MPT_ADAPTER *)(iocp);
1156 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
1157 struct list_head *head = &hd->target_reset_list;
1158 struct mptsas_target_reset_event *target_reset_list;
1159 u8 id, channel;
1160 /*
1161 * issue target reset to next device in the queue
1162 */
1163
1164 head = &hd->target_reset_list;
1165 if (list_empty(head))
1166 return;
1167
1168 target_reset_list = list_entry(head->next,
1169 struct mptsas_target_reset_event, list);
1170
1171 id = target_reset_list->sas_event_data.TargetID;
1172 channel = target_reset_list->sas_event_data.Bus;
1173 target_reset_list->time_count = jiffies;
1174
1175 if (mptsas_target_reset(ioc, channel, id))
1176 target_reset_list->target_reset_issued = 1;
1177 return;
1178}
1179
1180
1181/**
1182 * mptsas_taskmgmt_complete - complete SAS task management function
1183 * @ioc: Pointer to MPT_ADAPTER structure
1184 *
1185 * Completion for TARGET_RESET after NOT_RESPONDING_EVENT, enable work
1186 * queue to finish off removing device from upper layers. then send next
1187 * TARGET_RESET in the queue.
1188 **/
1189static int
1190mptsas_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
1191{
1192 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
1193 struct list_head *head = &hd->target_reset_list;
1194 u8 id, channel;
1195 struct mptsas_target_reset_event *target_reset_list;
1196 SCSITaskMgmtReply_t *pScsiTmReply;
1197
1198 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt completed: "
1199 "(mf = %p, mr = %p)\n", ioc->name, mf, mr));
1200
1201 pScsiTmReply = (SCSITaskMgmtReply_t *)mr;
1202 if (pScsiTmReply) {
1203 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1204 "\tTaskMgmt completed: fw_channel = %d, fw_id = %d,\n"
1205 "\ttask_type = 0x%02X, iocstatus = 0x%04X "
1206 "loginfo = 0x%08X,\n\tresponse_code = 0x%02X, "
1207 "term_cmnds = %d\n", ioc->name,
1208 pScsiTmReply->Bus, pScsiTmReply->TargetID,
1209 pScsiTmReply->TaskType,
1210 le16_to_cpu(pScsiTmReply->IOCStatus),
1211 le32_to_cpu(pScsiTmReply->IOCLogInfo),
1212 pScsiTmReply->ResponseCode,
1213 le32_to_cpu(pScsiTmReply->TerminationCount)));
1214
1215 if (pScsiTmReply->ResponseCode)
1216 mptscsih_taskmgmt_response_code(ioc,
1217 pScsiTmReply->ResponseCode);
1218 }
1219
1220 if (pScsiTmReply && (pScsiTmReply->TaskType ==
1221 MPI_SCSITASKMGMT_TASKTYPE_QUERY_TASK || pScsiTmReply->TaskType ==
1222 MPI_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET)) {
1223 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
1224 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
1225 memcpy(ioc->taskmgmt_cmds.reply, mr,
1226 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
1227 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
1228 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
1229 complete(&ioc->taskmgmt_cmds.done);
1230 return 1;
1231 }
1232 return 0;
1233 }
1234
1235 mpt_clear_taskmgmt_in_progress_flag(ioc);
1236
1237 if (list_empty(head))
1238 return 1;
1239
1240 target_reset_list = list_entry(head->next,
1241 struct mptsas_target_reset_event, list);
1242
1243 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1244 "TaskMgmt: completed (%d seconds)\n",
1245 ioc->name, jiffies_to_msecs(jiffies -
1246 target_reset_list->time_count)/1000));
1247
1248 id = pScsiTmReply->TargetID;
1249 channel = pScsiTmReply->Bus;
1250 target_reset_list->time_count = jiffies;
1251
1252 /*
1253 * retry target reset
1254 */
1255 if (!target_reset_list->target_reset_issued) {
1256 if (mptsas_target_reset(ioc, channel, id))
1257 target_reset_list->target_reset_issued = 1;
1258 return 1;
1259 }
1260
1261 /*
1262 * enable work queue to remove device from upper layers
1263 */
1264 list_del(&target_reset_list->list);
1265 if (!ioc->fw_events_off)
1266 mptsas_queue_device_delete(ioc,
1267 &target_reset_list->sas_event_data);
1268
1269
1270 ioc->schedule_target_reset(ioc);
1271
1272 return 1;
1273}
1274
1275/**
1276 * mptscsih_ioc_reset
1277 *
1278 * @ioc
1279 * @reset_phase
1280 *
1281 **/
1282static int
1283mptsas_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
1284{
1285 MPT_SCSI_HOST *hd;
1286 int rc;
1287
1288 rc = mptscsih_ioc_reset(ioc, reset_phase);
1289 if ((ioc->bus_type != SAS) || (!rc))
1290 return rc;
1291
1292 hd = shost_priv(ioc->sh);
1293 if (!hd->ioc)
1294 goto out;
1295
1296 switch (reset_phase) {
1297 case MPT_IOC_SETUP_RESET:
1298 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1299 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
1300 mptsas_fw_event_off(ioc);
1301 break;
1302 case MPT_IOC_PRE_RESET:
1303 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1304 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
1305 break;
1306 case MPT_IOC_POST_RESET:
1307 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1308 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
1309 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_PENDING) {
1310 ioc->sas_mgmt.status |= MPT_MGMT_STATUS_DID_IOCRESET;
1311 complete(&ioc->sas_mgmt.done);
1312 }
1313 mptsas_cleanup_fw_event_q(ioc);
1314 mptsas_queue_rescan(ioc);
1315 break;
1316 default:
1317 break;
1318 }
1319
1320 out:
1321 return rc;
1322}
1323
1324
1325/**
1326 * enum device_state -
1327 * @DEVICE_RETRY: need to retry the TUR
1328 * @DEVICE_ERROR: TUR return error, don't add device
1329 * @DEVICE_READY: device can be added
1330 *
1331 */
1332enum device_state{
1333 DEVICE_RETRY,
1334 DEVICE_ERROR,
1335 DEVICE_READY,
1336};
1337
1338static int
1339mptsas_sas_enclosure_pg0(MPT_ADAPTER *ioc, struct mptsas_enclosure *enclosure,
1340 u32 form, u32 form_specific)
1341{
1342 ConfigExtendedPageHeader_t hdr;
1343 CONFIGPARMS cfg;
1344 SasEnclosurePage0_t *buffer;
1345 dma_addr_t dma_handle;
1346 int error;
1347 __le64 le_identifier;
1348
1349 memset(&hdr, 0, sizeof(hdr));
1350 hdr.PageVersion = MPI_SASENCLOSURE0_PAGEVERSION;
1351 hdr.PageNumber = 0;
1352 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
1353 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_ENCLOSURE;
1354
1355 cfg.cfghdr.ehdr = &hdr;
1356 cfg.physAddr = -1;
1357 cfg.pageAddr = form + form_specific;
1358 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
1359 cfg.dir = 0; /* read */
1360 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
1361
1362 error = mpt_config(ioc, &cfg);
1363 if (error)
1364 goto out;
1365 if (!hdr.ExtPageLength) {
1366 error = -ENXIO;
1367 goto out;
1368 }
1369
1370 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
1371 &dma_handle);
1372 if (!buffer) {
1373 error = -ENOMEM;
1374 goto out;
1375 }
1376
1377 cfg.physAddr = dma_handle;
1378 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
1379
1380 error = mpt_config(ioc, &cfg);
1381 if (error)
1382 goto out_free_consistent;
1383
1384 /* save config data */
1385 memcpy(&le_identifier, &buffer->EnclosureLogicalID, sizeof(__le64));
1386 enclosure->enclosure_logical_id = le64_to_cpu(le_identifier);
1387 enclosure->enclosure_handle = le16_to_cpu(buffer->EnclosureHandle);
1388 enclosure->flags = le16_to_cpu(buffer->Flags);
1389 enclosure->num_slot = le16_to_cpu(buffer->NumSlots);
1390 enclosure->start_slot = le16_to_cpu(buffer->StartSlot);
1391 enclosure->start_id = buffer->StartTargetID;
1392 enclosure->start_channel = buffer->StartBus;
1393 enclosure->sep_id = buffer->SEPTargetID;
1394 enclosure->sep_channel = buffer->SEPBus;
1395
1396 out_free_consistent:
1397 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
1398 buffer, dma_handle);
1399 out:
1400 return error;
1401}
1402
1403/**
1404 * mptsas_add_end_device - report a new end device to sas transport layer
1405 * @ioc: Pointer to MPT_ADAPTER structure
1406 * @phy_info: describes attached device
1407 *
1408 * return (0) success (1) failure
1409 *
1410 **/
1411static int
1412mptsas_add_end_device(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info)
1413{
1414 struct sas_rphy *rphy;
1415 struct sas_port *port;
1416 struct sas_identify identify;
1417 char *ds = NULL;
1418 u8 fw_id;
1419
1420 if (!phy_info) {
1421 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1422 "%s: exit at line=%d\n", ioc->name,
1423 __func__, __LINE__));
1424 return 1;
1425 }
1426
1427 fw_id = phy_info->attached.id;
1428
1429 if (mptsas_get_rphy(phy_info)) {
1430 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1431 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1432 __func__, fw_id, __LINE__));
1433 return 2;
1434 }
1435
1436 port = mptsas_get_port(phy_info);
1437 if (!port) {
1438 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1439 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1440 __func__, fw_id, __LINE__));
1441 return 3;
1442 }
1443
1444 if (phy_info->attached.device_info &
1445 MPI_SAS_DEVICE_INFO_SSP_TARGET)
1446 ds = "ssp";
1447 if (phy_info->attached.device_info &
1448 MPI_SAS_DEVICE_INFO_STP_TARGET)
1449 ds = "stp";
1450 if (phy_info->attached.device_info &
1451 MPI_SAS_DEVICE_INFO_SATA_DEVICE)
1452 ds = "sata";
1453
1454 printk(MYIOC_s_INFO_FMT "attaching %s device: fw_channel %d, fw_id %d,"
1455 " phy %d, sas_addr 0x%llx\n", ioc->name, ds,
1456 phy_info->attached.channel, phy_info->attached.id,
1457 phy_info->attached.phy_id, (unsigned long long)
1458 phy_info->attached.sas_address);
1459
1460 mptsas_parse_device_info(&identify, &phy_info->attached);
1461 rphy = sas_end_device_alloc(port);
1462 if (!rphy) {
1463 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1464 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1465 __func__, fw_id, __LINE__));
1466 return 5; /* non-fatal: an rphy can be added later */
1467 }
1468
1469 rphy->identify = identify;
1470 if (sas_rphy_add(rphy)) {
1471 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1472 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1473 __func__, fw_id, __LINE__));
1474 sas_rphy_free(rphy);
1475 return 6;
1476 }
1477 mptsas_set_rphy(ioc, phy_info, rphy);
1478 return 0;
1479}
1480
1481/**
1482 * mptsas_del_end_device - report a deleted end device to sas transport layer
1483 * @ioc: Pointer to MPT_ADAPTER structure
1484 * @phy_info: describes attached device
1485 *
1486 **/
1487static void
1488mptsas_del_end_device(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info)
1489{
1490 struct sas_rphy *rphy;
1491 struct sas_port *port;
1492 struct mptsas_portinfo *port_info;
1493 struct mptsas_phyinfo *phy_info_parent;
1494 int i;
1495 char *ds = NULL;
1496 u8 fw_id;
1497 u64 sas_address;
1498
1499 if (!phy_info)
1500 return;
1501
1502 fw_id = phy_info->attached.id;
1503 sas_address = phy_info->attached.sas_address;
1504
1505 if (!phy_info->port_details) {
1506 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1507 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1508 __func__, fw_id, __LINE__));
1509 return;
1510 }
1511 rphy = mptsas_get_rphy(phy_info);
1512 if (!rphy) {
1513 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1514 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1515 __func__, fw_id, __LINE__));
1516 return;
1517 }
1518
1519 if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_SSP_INITIATOR
1520 || phy_info->attached.device_info
1521 & MPI_SAS_DEVICE_INFO_SMP_INITIATOR
1522 || phy_info->attached.device_info
1523 & MPI_SAS_DEVICE_INFO_STP_INITIATOR)
1524 ds = "initiator";
1525 if (phy_info->attached.device_info &
1526 MPI_SAS_DEVICE_INFO_SSP_TARGET)
1527 ds = "ssp";
1528 if (phy_info->attached.device_info &
1529 MPI_SAS_DEVICE_INFO_STP_TARGET)
1530 ds = "stp";
1531 if (phy_info->attached.device_info &
1532 MPI_SAS_DEVICE_INFO_SATA_DEVICE)
1533 ds = "sata";
1534
1535 dev_printk(KERN_DEBUG, &rphy->dev, MYIOC_s_FMT
1536 "removing %s device: fw_channel %d, fw_id %d, phy %d,"
1537 "sas_addr 0x%llx\n", ioc->name, ds, phy_info->attached.channel,
1538 phy_info->attached.id, phy_info->attached.phy_id,
1539 (unsigned long long) sas_address);
1540
1541 port = mptsas_get_port(phy_info);
1542 if (!port) {
1543 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1544 "%s: fw_id=%d exit at line=%d\n", ioc->name,
1545 __func__, fw_id, __LINE__));
1546 return;
1547 }
1548 port_info = phy_info->portinfo;
1549 phy_info_parent = port_info->phy_info;
1550 for (i = 0; i < port_info->num_phys; i++, phy_info_parent++) {
1551 if (!phy_info_parent->phy)
1552 continue;
1553 if (phy_info_parent->attached.sas_address !=
1554 sas_address)
1555 continue;
1556 dev_printk(KERN_DEBUG, &phy_info_parent->phy->dev,
1557 MYIOC_s_FMT "delete phy %d, phy-obj (0x%p)\n",
1558 ioc->name, phy_info_parent->phy_id,
1559 phy_info_parent->phy);
1560 sas_port_delete_phy(port, phy_info_parent->phy);
1561 }
1562
1563 dev_printk(KERN_DEBUG, &port->dev, MYIOC_s_FMT
1564 "delete port %d, sas_addr (0x%llx)\n", ioc->name,
1565 port->port_identifier, (unsigned long long)sas_address);
1566 sas_port_delete(port);
1567 mptsas_set_port(ioc, phy_info, NULL);
1568 mptsas_port_delete(ioc, phy_info->port_details);
1569}
1570
1571struct mptsas_phyinfo *
1572mptsas_refreshing_device_handles(MPT_ADAPTER *ioc,
1573 struct mptsas_devinfo *sas_device)
1574{
1575 struct mptsas_phyinfo *phy_info;
1576 struct mptsas_portinfo *port_info;
1577 int i;
1578
1579 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
1580 sas_device->sas_address);
1581 if (!phy_info)
1582 goto out;
1583 port_info = phy_info->portinfo;
1584 if (!port_info)
1585 goto out;
1586 mutex_lock(&ioc->sas_topology_mutex);
1587 for (i = 0; i < port_info->num_phys; i++) {
1588 if (port_info->phy_info[i].attached.sas_address !=
1589 sas_device->sas_address)
1590 continue;
1591 port_info->phy_info[i].attached.channel = sas_device->channel;
1592 port_info->phy_info[i].attached.id = sas_device->id;
1593 port_info->phy_info[i].attached.sas_address =
1594 sas_device->sas_address;
1595 port_info->phy_info[i].attached.handle = sas_device->handle;
1596 port_info->phy_info[i].attached.handle_parent =
1597 sas_device->handle_parent;
1598 port_info->phy_info[i].attached.handle_enclosure =
1599 sas_device->handle_enclosure;
1600 }
1601 mutex_unlock(&ioc->sas_topology_mutex);
1602 out:
1603 return phy_info;
1604}
1605
1606/**
1607 * mptsas_firmware_event_work - work thread for processing fw events
1608 * @work: work queue payload containing info describing the event
1609 * Context: user
1610 *
1611 */
1612static void
1613mptsas_firmware_event_work(struct work_struct *work)
1614{
1615 struct fw_event_work *fw_event =
1616 container_of(work, struct fw_event_work, work.work);
1617 MPT_ADAPTER *ioc = fw_event->ioc;
1618
1619 /* special rescan topology handling */
1620 if (fw_event->event == -1) {
1621 if (ioc->in_rescan) {
1622 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1623 "%s: rescan ignored as it is in progress\n",
1624 ioc->name, __func__));
1625 return;
1626 }
1627 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: rescan after "
1628 "reset\n", ioc->name, __func__));
1629 ioc->in_rescan = 1;
1630 mptsas_not_responding_devices(ioc);
1631 mptsas_scan_sas_topology(ioc);
1632 ioc->in_rescan = 0;
1633 mptsas_free_fw_event(ioc, fw_event);
1634 mptsas_fw_event_on(ioc);
1635 return;
1636 }
1637
1638 /* events handling turned off during host reset */
1639 if (ioc->fw_events_off) {
1640 mptsas_free_fw_event(ioc, fw_event);
1641 return;
1642 }
1643
1644 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: fw_event=(0x%p), "
1645 "event = (0x%02x)\n", ioc->name, __func__, fw_event,
1646 (fw_event->event & 0xFF)));
1647
1648 switch (fw_event->event) {
1649 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
1650 mptsas_send_sas_event(fw_event);
1651 break;
1652 case MPI_EVENT_INTEGRATED_RAID:
1653 mptsas_send_raid_event(fw_event);
1654 break;
1655 case MPI_EVENT_IR2:
1656 mptsas_send_ir2_event(fw_event);
1657 break;
1658 case MPI_EVENT_PERSISTENT_TABLE_FULL:
1659 mptbase_sas_persist_operation(ioc,
1660 MPI_SAS_OP_CLEAR_NOT_PRESENT);
1661 mptsas_free_fw_event(ioc, fw_event);
1662 break;
1663 case MPI_EVENT_SAS_BROADCAST_PRIMITIVE:
1664 mptsas_broadcast_primative_work(fw_event);
1665 break;
1666 case MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE:
1667 mptsas_send_expander_event(fw_event);
1668 break;
1669 case MPI_EVENT_SAS_PHY_LINK_STATUS:
1670 mptsas_send_link_status_event(fw_event);
1671 break;
1672 case MPI_EVENT_QUEUE_FULL:
1673 mptsas_handle_queue_full_event(fw_event);
1674 break;
1675 }
1676}
1677
1678
1679
1680static int
1681mptsas_slave_configure(struct scsi_device *sdev)
1682{
1683 struct Scsi_Host *host = sdev->host;
1684 MPT_SCSI_HOST *hd = shost_priv(host);
1685 MPT_ADAPTER *ioc = hd->ioc;
1686 VirtDevice *vdevice = sdev->hostdata;
1687
1688 if (vdevice->vtarget->deleted) {
1689 sdev_printk(KERN_INFO, sdev, "clearing deleted flag\n");
1690 vdevice->vtarget->deleted = 0;
1691 }
1692
1693 /*
1694 * RAID volumes placed beyond the last expected port.
1695 * Ignore sending sas mode pages in that case..
1696 */
1697 if (sdev->channel == MPTSAS_RAID_CHANNEL) {
1698 mptsas_add_device_component_starget_ir(ioc, scsi_target(sdev));
1699 goto out;
1700 }
1701
1702 sas_read_port_mode_page(sdev);
1703
1704 mptsas_add_device_component_starget(ioc, scsi_target(sdev));
1705
1706 out:
1707 return mptscsih_slave_configure(sdev);
1708}
1709
1710static int
1711mptsas_target_alloc(struct scsi_target *starget)
1712{
1713 struct Scsi_Host *host = dev_to_shost(&starget->dev);
1714 MPT_SCSI_HOST *hd = shost_priv(host);
1715 VirtTarget *vtarget;
1716 u8 id, channel;
1717 struct sas_rphy *rphy;
1718 struct mptsas_portinfo *p;
1719 int i;
1720 MPT_ADAPTER *ioc = hd->ioc;
1721
1722 vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL);
1723 if (!vtarget)
1724 return -ENOMEM;
1725
1726 vtarget->starget = starget;
1727 vtarget->ioc_id = ioc->id;
1728 vtarget->tflags = MPT_TARGET_FLAGS_Q_YES;
1729 id = starget->id;
1730 channel = 0;
1731
1732 /*
1733 * RAID volumes placed beyond the last expected port.
1734 */
1735 if (starget->channel == MPTSAS_RAID_CHANNEL) {
1736 if (!ioc->raid_data.pIocPg2) {
1737 kfree(vtarget);
1738 return -ENXIO;
1739 }
1740 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
1741 if (id == ioc->raid_data.pIocPg2->
1742 RaidVolume[i].VolumeID) {
1743 channel = ioc->raid_data.pIocPg2->
1744 RaidVolume[i].VolumeBus;
1745 }
1746 }
1747 vtarget->raidVolume = 1;
1748 goto out;
1749 }
1750
1751 rphy = dev_to_rphy(starget->dev.parent);
1752 mutex_lock(&ioc->sas_topology_mutex);
1753 list_for_each_entry(p, &ioc->sas_topology, list) {
1754 for (i = 0; i < p->num_phys; i++) {
1755 if (p->phy_info[i].attached.sas_address !=
1756 rphy->identify.sas_address)
1757 continue;
1758 id = p->phy_info[i].attached.id;
1759 channel = p->phy_info[i].attached.channel;
1760 mptsas_set_starget(&p->phy_info[i], starget);
1761
1762 /*
1763 * Exposing hidden raid components
1764 */
1765 if (mptscsih_is_phys_disk(ioc, channel, id)) {
1766 id = mptscsih_raid_id_to_num(ioc,
1767 channel, id);
1768 vtarget->tflags |=
1769 MPT_TARGET_FLAGS_RAID_COMPONENT;
1770 p->phy_info[i].attached.phys_disk_num = id;
1771 }
1772 mutex_unlock(&ioc->sas_topology_mutex);
1773 goto out;
1774 }
1775 }
1776 mutex_unlock(&ioc->sas_topology_mutex);
1777
1778 kfree(vtarget);
1779 return -ENXIO;
1780
1781 out:
1782 vtarget->id = id;
1783 vtarget->channel = channel;
1784 starget->hostdata = vtarget;
1785 return 0;
1786}
1787
1788static void
1789mptsas_target_destroy(struct scsi_target *starget)
1790{
1791 struct Scsi_Host *host = dev_to_shost(&starget->dev);
1792 MPT_SCSI_HOST *hd = shost_priv(host);
1793 struct sas_rphy *rphy;
1794 struct mptsas_portinfo *p;
1795 int i;
1796 MPT_ADAPTER *ioc = hd->ioc;
1797 VirtTarget *vtarget;
1798
1799 if (!starget->hostdata)
1800 return;
1801
1802 vtarget = starget->hostdata;
1803
1804 mptsas_del_device_component_by_os(ioc, starget->channel,
1805 starget->id);
1806
1807
1808 if (starget->channel == MPTSAS_RAID_CHANNEL)
1809 goto out;
1810
1811 rphy = dev_to_rphy(starget->dev.parent);
1812 list_for_each_entry(p, &ioc->sas_topology, list) {
1813 for (i = 0; i < p->num_phys; i++) {
1814 if (p->phy_info[i].attached.sas_address !=
1815 rphy->identify.sas_address)
1816 continue;
1817
1818 starget_printk(KERN_INFO, starget, MYIOC_s_FMT
1819 "delete device: fw_channel %d, fw_id %d, phy %d, "
1820 "sas_addr 0x%llx\n", ioc->name,
1821 p->phy_info[i].attached.channel,
1822 p->phy_info[i].attached.id,
1823 p->phy_info[i].attached.phy_id, (unsigned long long)
1824 p->phy_info[i].attached.sas_address);
1825
1826 mptsas_set_starget(&p->phy_info[i], NULL);
1827 }
1828 }
1829
1830 out:
1831 vtarget->starget = NULL;
1832 kfree(starget->hostdata);
1833 starget->hostdata = NULL;
1834}
1835
1836
1837static int
1838mptsas_slave_alloc(struct scsi_device *sdev)
1839{
1840 struct Scsi_Host *host = sdev->host;
1841 MPT_SCSI_HOST *hd = shost_priv(host);
1842 struct sas_rphy *rphy;
1843 struct mptsas_portinfo *p;
1844 VirtDevice *vdevice;
1845 struct scsi_target *starget;
1846 int i;
1847 MPT_ADAPTER *ioc = hd->ioc;
1848
1849 vdevice = kzalloc(sizeof(VirtDevice), GFP_KERNEL);
1850 if (!vdevice) {
1851 printk(MYIOC_s_ERR_FMT "slave_alloc kzalloc(%zd) FAILED!\n",
1852 ioc->name, sizeof(VirtDevice));
1853 return -ENOMEM;
1854 }
1855 starget = scsi_target(sdev);
1856 vdevice->vtarget = starget->hostdata;
1857
1858 if (sdev->channel == MPTSAS_RAID_CHANNEL)
1859 goto out;
1860
1861 rphy = dev_to_rphy(sdev->sdev_target->dev.parent);
1862 mutex_lock(&ioc->sas_topology_mutex);
1863 list_for_each_entry(p, &ioc->sas_topology, list) {
1864 for (i = 0; i < p->num_phys; i++) {
1865 if (p->phy_info[i].attached.sas_address !=
1866 rphy->identify.sas_address)
1867 continue;
1868 vdevice->lun = sdev->lun;
1869 /*
1870 * Exposing hidden raid components
1871 */
1872 if (mptscsih_is_phys_disk(ioc,
1873 p->phy_info[i].attached.channel,
1874 p->phy_info[i].attached.id))
1875 sdev->no_uld_attach = 1;
1876 mutex_unlock(&ioc->sas_topology_mutex);
1877 goto out;
1878 }
1879 }
1880 mutex_unlock(&ioc->sas_topology_mutex);
1881
1882 kfree(vdevice);
1883 return -ENXIO;
1884
1885 out:
1886 vdevice->vtarget->num_luns++;
1887 sdev->hostdata = vdevice;
1888 return 0;
1889}
1890
1891static int
1892mptsas_qcmd_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
1893{
1894 MPT_SCSI_HOST *hd;
1895 MPT_ADAPTER *ioc;
1896 VirtDevice *vdevice = SCpnt->device->hostdata;
1897
1898 if (!vdevice || !vdevice->vtarget || vdevice->vtarget->deleted) {
1899 SCpnt->result = DID_NO_CONNECT << 16;
1900 done(SCpnt);
1901 return 0;
1902 }
1903
1904 hd = shost_priv(SCpnt->device->host);
1905 ioc = hd->ioc;
1906
1907 if (ioc->sas_discovery_quiesce_io)
1908 return SCSI_MLQUEUE_HOST_BUSY;
1909
1910 if (ioc->debug_level & MPT_DEBUG_SCSI)
1911 scsi_print_command(SCpnt);
1912
1913 return mptscsih_qcmd(SCpnt,done);
1914}
1915
1916static DEF_SCSI_QCMD(mptsas_qcmd)
1917
1918/**
1919 * mptsas_mptsas_eh_timed_out - resets the scsi_cmnd timeout
1920 * if the device under question is currently in the
1921 * device removal delay.
1922 * @sc: scsi command that the midlayer is about to time out
1923 *
1924 **/
1925static enum blk_eh_timer_return mptsas_eh_timed_out(struct scsi_cmnd *sc)
1926{
1927 MPT_SCSI_HOST *hd;
1928 MPT_ADAPTER *ioc;
1929 VirtDevice *vdevice;
1930 enum blk_eh_timer_return rc = BLK_EH_NOT_HANDLED;
1931
1932 hd = shost_priv(sc->device->host);
1933 if (hd == NULL) {
1934 printk(KERN_ERR MYNAM ": %s: Can't locate host! (sc=%p)\n",
1935 __func__, sc);
1936 goto done;
1937 }
1938
1939 ioc = hd->ioc;
1940 if (ioc->bus_type != SAS) {
1941 printk(KERN_ERR MYNAM ": %s: Wrong bus type (sc=%p)\n",
1942 __func__, sc);
1943 goto done;
1944 }
1945
1946 vdevice = sc->device->hostdata;
1947 if (vdevice && vdevice->vtarget && (vdevice->vtarget->inDMD
1948 || vdevice->vtarget->deleted)) {
1949 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT ": %s: target removed "
1950 "or in device removal delay (sc=%p)\n",
1951 ioc->name, __func__, sc));
1952 rc = BLK_EH_RESET_TIMER;
1953 goto done;
1954 }
1955
1956done:
1957 return rc;
1958}
1959
1960
1961static struct scsi_host_template mptsas_driver_template = {
1962 .module = THIS_MODULE,
1963 .proc_name = "mptsas",
1964 .proc_info = mptscsih_proc_info,
1965 .name = "MPT SAS Host",
1966 .info = mptscsih_info,
1967 .queuecommand = mptsas_qcmd,
1968 .target_alloc = mptsas_target_alloc,
1969 .slave_alloc = mptsas_slave_alloc,
1970 .slave_configure = mptsas_slave_configure,
1971 .target_destroy = mptsas_target_destroy,
1972 .slave_destroy = mptscsih_slave_destroy,
1973 .change_queue_depth = mptscsih_change_queue_depth,
1974 .eh_abort_handler = mptscsih_abort,
1975 .eh_device_reset_handler = mptscsih_dev_reset,
1976 .eh_host_reset_handler = mptscsih_host_reset,
1977 .bios_param = mptscsih_bios_param,
1978 .can_queue = MPT_SAS_CAN_QUEUE,
1979 .this_id = -1,
1980 .sg_tablesize = MPT_SCSI_SG_DEPTH,
1981 .max_sectors = 8192,
1982 .cmd_per_lun = 7,
1983 .use_clustering = ENABLE_CLUSTERING,
1984 .shost_attrs = mptscsih_host_attrs,
1985};
1986
1987static int mptsas_get_linkerrors(struct sas_phy *phy)
1988{
1989 MPT_ADAPTER *ioc = phy_to_ioc(phy);
1990 ConfigExtendedPageHeader_t hdr;
1991 CONFIGPARMS cfg;
1992 SasPhyPage1_t *buffer;
1993 dma_addr_t dma_handle;
1994 int error;
1995
1996 /* FIXME: only have link errors on local phys */
1997 if (!scsi_is_sas_phy_local(phy))
1998 return -EINVAL;
1999
2000 hdr.PageVersion = MPI_SASPHY1_PAGEVERSION;
2001 hdr.ExtPageLength = 0;
2002 hdr.PageNumber = 1 /* page number 1*/;
2003 hdr.Reserved1 = 0;
2004 hdr.Reserved2 = 0;
2005 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2006 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY;
2007
2008 cfg.cfghdr.ehdr = &hdr;
2009 cfg.physAddr = -1;
2010 cfg.pageAddr = phy->identify.phy_identifier;
2011 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2012 cfg.dir = 0; /* read */
2013 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2014
2015 error = mpt_config(ioc, &cfg);
2016 if (error)
2017 return error;
2018 if (!hdr.ExtPageLength)
2019 return -ENXIO;
2020
2021 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2022 &dma_handle);
2023 if (!buffer)
2024 return -ENOMEM;
2025
2026 cfg.physAddr = dma_handle;
2027 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2028
2029 error = mpt_config(ioc, &cfg);
2030 if (error)
2031 goto out_free_consistent;
2032
2033 mptsas_print_phy_pg1(ioc, buffer);
2034
2035 phy->invalid_dword_count = le32_to_cpu(buffer->InvalidDwordCount);
2036 phy->running_disparity_error_count =
2037 le32_to_cpu(buffer->RunningDisparityErrorCount);
2038 phy->loss_of_dword_sync_count =
2039 le32_to_cpu(buffer->LossDwordSynchCount);
2040 phy->phy_reset_problem_count =
2041 le32_to_cpu(buffer->PhyResetProblemCount);
2042
2043 out_free_consistent:
2044 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2045 buffer, dma_handle);
2046 return error;
2047}
2048
2049static int mptsas_mgmt_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2050 MPT_FRAME_HDR *reply)
2051{
2052 ioc->sas_mgmt.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2053 if (reply != NULL) {
2054 ioc->sas_mgmt.status |= MPT_MGMT_STATUS_RF_VALID;
2055 memcpy(ioc->sas_mgmt.reply, reply,
2056 min(ioc->reply_sz, 4 * reply->u.reply.MsgLength));
2057 }
2058
2059 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_PENDING) {
2060 ioc->sas_mgmt.status &= ~MPT_MGMT_STATUS_PENDING;
2061 complete(&ioc->sas_mgmt.done);
2062 return 1;
2063 }
2064 return 0;
2065}
2066
2067static int mptsas_phy_reset(struct sas_phy *phy, int hard_reset)
2068{
2069 MPT_ADAPTER *ioc = phy_to_ioc(phy);
2070 SasIoUnitControlRequest_t *req;
2071 SasIoUnitControlReply_t *reply;
2072 MPT_FRAME_HDR *mf;
2073 MPIHeader_t *hdr;
2074 unsigned long timeleft;
2075 int error = -ERESTARTSYS;
2076
2077 /* FIXME: fusion doesn't allow non-local phy reset */
2078 if (!scsi_is_sas_phy_local(phy))
2079 return -EINVAL;
2080
2081 /* not implemented for expanders */
2082 if (phy->identify.target_port_protocols & SAS_PROTOCOL_SMP)
2083 return -ENXIO;
2084
2085 if (mutex_lock_interruptible(&ioc->sas_mgmt.mutex))
2086 goto out;
2087
2088 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
2089 if (!mf) {
2090 error = -ENOMEM;
2091 goto out_unlock;
2092 }
2093
2094 hdr = (MPIHeader_t *) mf;
2095 req = (SasIoUnitControlRequest_t *)mf;
2096 memset(req, 0, sizeof(SasIoUnitControlRequest_t));
2097 req->Function = MPI_FUNCTION_SAS_IO_UNIT_CONTROL;
2098 req->MsgContext = hdr->MsgContext;
2099 req->Operation = hard_reset ?
2100 MPI_SAS_OP_PHY_HARD_RESET : MPI_SAS_OP_PHY_LINK_RESET;
2101 req->PhyNum = phy->identify.phy_identifier;
2102
2103 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status)
2104 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
2105
2106 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done,
2107 10 * HZ);
2108 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2109 error = -ETIME;
2110 mpt_free_msg_frame(ioc, mf);
2111 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
2112 goto out_unlock;
2113 if (!timeleft)
2114 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2115 goto out_unlock;
2116 }
2117
2118 /* a reply frame is expected */
2119 if ((ioc->sas_mgmt.status &
2120 MPT_MGMT_STATUS_RF_VALID) == 0) {
2121 error = -ENXIO;
2122 goto out_unlock;
2123 }
2124
2125 /* process the completed Reply Message Frame */
2126 reply = (SasIoUnitControlReply_t *)ioc->sas_mgmt.reply;
2127 if (reply->IOCStatus != MPI_IOCSTATUS_SUCCESS) {
2128 printk(MYIOC_s_INFO_FMT "%s: IOCStatus=0x%X IOCLogInfo=0x%X\n",
2129 ioc->name, __func__, reply->IOCStatus, reply->IOCLogInfo);
2130 error = -ENXIO;
2131 goto out_unlock;
2132 }
2133
2134 error = 0;
2135
2136 out_unlock:
2137 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status)
2138 mutex_unlock(&ioc->sas_mgmt.mutex);
2139 out:
2140 return error;
2141}
2142
2143static int
2144mptsas_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier)
2145{
2146 MPT_ADAPTER *ioc = rphy_to_ioc(rphy);
2147 int i, error;
2148 struct mptsas_portinfo *p;
2149 struct mptsas_enclosure enclosure_info;
2150 u64 enclosure_handle;
2151
2152 mutex_lock(&ioc->sas_topology_mutex);
2153 list_for_each_entry(p, &ioc->sas_topology, list) {
2154 for (i = 0; i < p->num_phys; i++) {
2155 if (p->phy_info[i].attached.sas_address ==
2156 rphy->identify.sas_address) {
2157 enclosure_handle = p->phy_info[i].
2158 attached.handle_enclosure;
2159 goto found_info;
2160 }
2161 }
2162 }
2163 mutex_unlock(&ioc->sas_topology_mutex);
2164 return -ENXIO;
2165
2166 found_info:
2167 mutex_unlock(&ioc->sas_topology_mutex);
2168 memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure));
2169 error = mptsas_sas_enclosure_pg0(ioc, &enclosure_info,
2170 (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE <<
2171 MPI_SAS_ENCLOS_PGAD_FORM_SHIFT), enclosure_handle);
2172 if (!error)
2173 *identifier = enclosure_info.enclosure_logical_id;
2174 return error;
2175}
2176
2177static int
2178mptsas_get_bay_identifier(struct sas_rphy *rphy)
2179{
2180 MPT_ADAPTER *ioc = rphy_to_ioc(rphy);
2181 struct mptsas_portinfo *p;
2182 int i, rc;
2183
2184 mutex_lock(&ioc->sas_topology_mutex);
2185 list_for_each_entry(p, &ioc->sas_topology, list) {
2186 for (i = 0; i < p->num_phys; i++) {
2187 if (p->phy_info[i].attached.sas_address ==
2188 rphy->identify.sas_address) {
2189 rc = p->phy_info[i].attached.slot;
2190 goto out;
2191 }
2192 }
2193 }
2194 rc = -ENXIO;
2195 out:
2196 mutex_unlock(&ioc->sas_topology_mutex);
2197 return rc;
2198}
2199
2200static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
2201 struct request *req)
2202{
2203 MPT_ADAPTER *ioc = ((MPT_SCSI_HOST *) shost->hostdata)->ioc;
2204 MPT_FRAME_HDR *mf;
2205 SmpPassthroughRequest_t *smpreq;
2206 struct request *rsp = req->next_rq;
2207 int ret;
2208 int flagsLength;
2209 unsigned long timeleft;
2210 char *psge;
2211 dma_addr_t dma_addr_in = 0;
2212 dma_addr_t dma_addr_out = 0;
2213 u64 sas_address = 0;
2214
2215 if (!rsp) {
2216 printk(MYIOC_s_ERR_FMT "%s: the smp response space is missing\n",
2217 ioc->name, __func__);
2218 return -EINVAL;
2219 }
2220
2221 /* do we need to support multiple segments? */
2222 if (req->bio->bi_vcnt > 1 || rsp->bio->bi_vcnt > 1) {
2223 printk(MYIOC_s_ERR_FMT "%s: multiple segments req %u %u, rsp %u %u\n",
2224 ioc->name, __func__, req->bio->bi_vcnt, blk_rq_bytes(req),
2225 rsp->bio->bi_vcnt, blk_rq_bytes(rsp));
2226 return -EINVAL;
2227 }
2228
2229 ret = mutex_lock_interruptible(&ioc->sas_mgmt.mutex);
2230 if (ret)
2231 goto out;
2232
2233 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
2234 if (!mf) {
2235 ret = -ENOMEM;
2236 goto out_unlock;
2237 }
2238
2239 smpreq = (SmpPassthroughRequest_t *)mf;
2240 memset(smpreq, 0, sizeof(*smpreq));
2241
2242 smpreq->RequestDataLength = cpu_to_le16(blk_rq_bytes(req) - 4);
2243 smpreq->Function = MPI_FUNCTION_SMP_PASSTHROUGH;
2244
2245 if (rphy)
2246 sas_address = rphy->identify.sas_address;
2247 else {
2248 struct mptsas_portinfo *port_info;
2249
2250 mutex_lock(&ioc->sas_topology_mutex);
2251 port_info = ioc->hba_port_info;
2252 if (port_info && port_info->phy_info)
2253 sas_address =
2254 port_info->phy_info[0].phy->identify.sas_address;
2255 mutex_unlock(&ioc->sas_topology_mutex);
2256 }
2257
2258 *((u64 *)&smpreq->SASAddress) = cpu_to_le64(sas_address);
2259
2260 psge = (char *)
2261 (((int *) mf) + (offsetof(SmpPassthroughRequest_t, SGL) / 4));
2262
2263 /* request */
2264 flagsLength = (MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2265 MPI_SGE_FLAGS_END_OF_BUFFER |
2266 MPI_SGE_FLAGS_DIRECTION)
2267 << MPI_SGE_FLAGS_SHIFT;
2268 flagsLength |= (blk_rq_bytes(req) - 4);
2269
2270 dma_addr_out = pci_map_single(ioc->pcidev, bio_data(req->bio),
2271 blk_rq_bytes(req), PCI_DMA_BIDIRECTIONAL);
2272 if (!dma_addr_out)
2273 goto put_mf;
2274 ioc->add_sge(psge, flagsLength, dma_addr_out);
2275 psge += ioc->SGE_size;
2276
2277 /* response */
2278 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2279 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
2280 MPI_SGE_FLAGS_IOC_TO_HOST |
2281 MPI_SGE_FLAGS_END_OF_BUFFER;
2282
2283 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT;
2284 flagsLength |= blk_rq_bytes(rsp) + 4;
2285 dma_addr_in = pci_map_single(ioc->pcidev, bio_data(rsp->bio),
2286 blk_rq_bytes(rsp), PCI_DMA_BIDIRECTIONAL);
2287 if (!dma_addr_in)
2288 goto unmap;
2289 ioc->add_sge(psge, flagsLength, dma_addr_in);
2290
2291 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status)
2292 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
2293
2294 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done, 10 * HZ);
2295 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2296 ret = -ETIME;
2297 mpt_free_msg_frame(ioc, mf);
2298 mf = NULL;
2299 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
2300 goto unmap;
2301 if (!timeleft)
2302 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2303 goto unmap;
2304 }
2305 mf = NULL;
2306
2307 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_RF_VALID) {
2308 SmpPassthroughReply_t *smprep;
2309
2310 smprep = (SmpPassthroughReply_t *)ioc->sas_mgmt.reply;
2311 memcpy(req->sense, smprep, sizeof(*smprep));
2312 req->sense_len = sizeof(*smprep);
2313 req->resid_len = 0;
2314 rsp->resid_len -= smprep->ResponseDataLength;
2315 } else {
2316 printk(MYIOC_s_ERR_FMT
2317 "%s: smp passthru reply failed to be returned\n",
2318 ioc->name, __func__);
2319 ret = -ENXIO;
2320 }
2321unmap:
2322 if (dma_addr_out)
2323 pci_unmap_single(ioc->pcidev, dma_addr_out, blk_rq_bytes(req),
2324 PCI_DMA_BIDIRECTIONAL);
2325 if (dma_addr_in)
2326 pci_unmap_single(ioc->pcidev, dma_addr_in, blk_rq_bytes(rsp),
2327 PCI_DMA_BIDIRECTIONAL);
2328put_mf:
2329 if (mf)
2330 mpt_free_msg_frame(ioc, mf);
2331out_unlock:
2332 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status)
2333 mutex_unlock(&ioc->sas_mgmt.mutex);
2334out:
2335 return ret;
2336}
2337
2338static struct sas_function_template mptsas_transport_functions = {
2339 .get_linkerrors = mptsas_get_linkerrors,
2340 .get_enclosure_identifier = mptsas_get_enclosure_identifier,
2341 .get_bay_identifier = mptsas_get_bay_identifier,
2342 .phy_reset = mptsas_phy_reset,
2343 .smp_handler = mptsas_smp_handler,
2344};
2345
2346static struct scsi_transport_template *mptsas_transport_template;
2347
2348static int
2349mptsas_sas_io_unit_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
2350{
2351 ConfigExtendedPageHeader_t hdr;
2352 CONFIGPARMS cfg;
2353 SasIOUnitPage0_t *buffer;
2354 dma_addr_t dma_handle;
2355 int error, i;
2356
2357 hdr.PageVersion = MPI_SASIOUNITPAGE0_PAGEVERSION;
2358 hdr.ExtPageLength = 0;
2359 hdr.PageNumber = 0;
2360 hdr.Reserved1 = 0;
2361 hdr.Reserved2 = 0;
2362 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2363 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
2364
2365 cfg.cfghdr.ehdr = &hdr;
2366 cfg.physAddr = -1;
2367 cfg.pageAddr = 0;
2368 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2369 cfg.dir = 0; /* read */
2370 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2371
2372 error = mpt_config(ioc, &cfg);
2373 if (error)
2374 goto out;
2375 if (!hdr.ExtPageLength) {
2376 error = -ENXIO;
2377 goto out;
2378 }
2379
2380 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2381 &dma_handle);
2382 if (!buffer) {
2383 error = -ENOMEM;
2384 goto out;
2385 }
2386
2387 cfg.physAddr = dma_handle;
2388 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2389
2390 error = mpt_config(ioc, &cfg);
2391 if (error)
2392 goto out_free_consistent;
2393
2394 port_info->num_phys = buffer->NumPhys;
2395 port_info->phy_info = kcalloc(port_info->num_phys,
2396 sizeof(struct mptsas_phyinfo), GFP_KERNEL);
2397 if (!port_info->phy_info) {
2398 error = -ENOMEM;
2399 goto out_free_consistent;
2400 }
2401
2402 ioc->nvdata_version_persistent =
2403 le16_to_cpu(buffer->NvdataVersionPersistent);
2404 ioc->nvdata_version_default =
2405 le16_to_cpu(buffer->NvdataVersionDefault);
2406
2407 for (i = 0; i < port_info->num_phys; i++) {
2408 mptsas_print_phy_data(ioc, &buffer->PhyData[i]);
2409 port_info->phy_info[i].phy_id = i;
2410 port_info->phy_info[i].port_id =
2411 buffer->PhyData[i].Port;
2412 port_info->phy_info[i].negotiated_link_rate =
2413 buffer->PhyData[i].NegotiatedLinkRate;
2414 port_info->phy_info[i].portinfo = port_info;
2415 port_info->phy_info[i].handle =
2416 le16_to_cpu(buffer->PhyData[i].ControllerDevHandle);
2417 }
2418
2419 out_free_consistent:
2420 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2421 buffer, dma_handle);
2422 out:
2423 return error;
2424}
2425
2426static int
2427mptsas_sas_io_unit_pg1(MPT_ADAPTER *ioc)
2428{
2429 ConfigExtendedPageHeader_t hdr;
2430 CONFIGPARMS cfg;
2431 SasIOUnitPage1_t *buffer;
2432 dma_addr_t dma_handle;
2433 int error;
2434 u8 device_missing_delay;
2435
2436 memset(&hdr, 0, sizeof(ConfigExtendedPageHeader_t));
2437 memset(&cfg, 0, sizeof(CONFIGPARMS));
2438
2439 cfg.cfghdr.ehdr = &hdr;
2440 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2441 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2442 cfg.cfghdr.ehdr->PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2443 cfg.cfghdr.ehdr->ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
2444 cfg.cfghdr.ehdr->PageVersion = MPI_SASIOUNITPAGE1_PAGEVERSION;
2445 cfg.cfghdr.ehdr->PageNumber = 1;
2446
2447 error = mpt_config(ioc, &cfg);
2448 if (error)
2449 goto out;
2450 if (!hdr.ExtPageLength) {
2451 error = -ENXIO;
2452 goto out;
2453 }
2454
2455 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2456 &dma_handle);
2457 if (!buffer) {
2458 error = -ENOMEM;
2459 goto out;
2460 }
2461
2462 cfg.physAddr = dma_handle;
2463 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2464
2465 error = mpt_config(ioc, &cfg);
2466 if (error)
2467 goto out_free_consistent;
2468
2469 ioc->io_missing_delay =
2470 le16_to_cpu(buffer->IODeviceMissingDelay);
2471 device_missing_delay = buffer->ReportDeviceMissingDelay;
2472 ioc->device_missing_delay = (device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_UNIT_16) ?
2473 (device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16 :
2474 device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
2475
2476 out_free_consistent:
2477 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2478 buffer, dma_handle);
2479 out:
2480 return error;
2481}
2482
2483static int
2484mptsas_sas_phy_pg0(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
2485 u32 form, u32 form_specific)
2486{
2487 ConfigExtendedPageHeader_t hdr;
2488 CONFIGPARMS cfg;
2489 SasPhyPage0_t *buffer;
2490 dma_addr_t dma_handle;
2491 int error;
2492
2493 hdr.PageVersion = MPI_SASPHY0_PAGEVERSION;
2494 hdr.ExtPageLength = 0;
2495 hdr.PageNumber = 0;
2496 hdr.Reserved1 = 0;
2497 hdr.Reserved2 = 0;
2498 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2499 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY;
2500
2501 cfg.cfghdr.ehdr = &hdr;
2502 cfg.dir = 0; /* read */
2503 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2504
2505 /* Get Phy Pg 0 for each Phy. */
2506 cfg.physAddr = -1;
2507 cfg.pageAddr = form + form_specific;
2508 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2509
2510 error = mpt_config(ioc, &cfg);
2511 if (error)
2512 goto out;
2513
2514 if (!hdr.ExtPageLength) {
2515 error = -ENXIO;
2516 goto out;
2517 }
2518
2519 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2520 &dma_handle);
2521 if (!buffer) {
2522 error = -ENOMEM;
2523 goto out;
2524 }
2525
2526 cfg.physAddr = dma_handle;
2527 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2528
2529 error = mpt_config(ioc, &cfg);
2530 if (error)
2531 goto out_free_consistent;
2532
2533 mptsas_print_phy_pg0(ioc, buffer);
2534
2535 phy_info->hw_link_rate = buffer->HwLinkRate;
2536 phy_info->programmed_link_rate = buffer->ProgrammedLinkRate;
2537 phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle);
2538 phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle);
2539
2540 out_free_consistent:
2541 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2542 buffer, dma_handle);
2543 out:
2544 return error;
2545}
2546
2547static int
2548mptsas_sas_device_pg0(MPT_ADAPTER *ioc, struct mptsas_devinfo *device_info,
2549 u32 form, u32 form_specific)
2550{
2551 ConfigExtendedPageHeader_t hdr;
2552 CONFIGPARMS cfg;
2553 SasDevicePage0_t *buffer;
2554 dma_addr_t dma_handle;
2555 __le64 sas_address;
2556 int error=0;
2557
2558 hdr.PageVersion = MPI_SASDEVICE0_PAGEVERSION;
2559 hdr.ExtPageLength = 0;
2560 hdr.PageNumber = 0;
2561 hdr.Reserved1 = 0;
2562 hdr.Reserved2 = 0;
2563 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2564 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE;
2565
2566 cfg.cfghdr.ehdr = &hdr;
2567 cfg.pageAddr = form + form_specific;
2568 cfg.physAddr = -1;
2569 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2570 cfg.dir = 0; /* read */
2571 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2572
2573 memset(device_info, 0, sizeof(struct mptsas_devinfo));
2574 error = mpt_config(ioc, &cfg);
2575 if (error)
2576 goto out;
2577 if (!hdr.ExtPageLength) {
2578 error = -ENXIO;
2579 goto out;
2580 }
2581
2582 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2583 &dma_handle);
2584 if (!buffer) {
2585 error = -ENOMEM;
2586 goto out;
2587 }
2588
2589 cfg.physAddr = dma_handle;
2590 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2591
2592 error = mpt_config(ioc, &cfg);
2593
2594 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
2595 error = -ENODEV;
2596 goto out_free_consistent;
2597 }
2598
2599 if (error)
2600 goto out_free_consistent;
2601
2602 mptsas_print_device_pg0(ioc, buffer);
2603
2604 memset(device_info, 0, sizeof(struct mptsas_devinfo));
2605 device_info->handle = le16_to_cpu(buffer->DevHandle);
2606 device_info->handle_parent = le16_to_cpu(buffer->ParentDevHandle);
2607 device_info->handle_enclosure =
2608 le16_to_cpu(buffer->EnclosureHandle);
2609 device_info->slot = le16_to_cpu(buffer->Slot);
2610 device_info->phy_id = buffer->PhyNum;
2611 device_info->port_id = buffer->PhysicalPort;
2612 device_info->id = buffer->TargetID;
2613 device_info->phys_disk_num = ~0;
2614 device_info->channel = buffer->Bus;
2615 memcpy(&sas_address, &buffer->SASAddress, sizeof(__le64));
2616 device_info->sas_address = le64_to_cpu(sas_address);
2617 device_info->device_info =
2618 le32_to_cpu(buffer->DeviceInfo);
2619 device_info->flags = le16_to_cpu(buffer->Flags);
2620
2621 out_free_consistent:
2622 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2623 buffer, dma_handle);
2624 out:
2625 return error;
2626}
2627
2628static int
2629mptsas_sas_expander_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info,
2630 u32 form, u32 form_specific)
2631{
2632 ConfigExtendedPageHeader_t hdr;
2633 CONFIGPARMS cfg;
2634 SasExpanderPage0_t *buffer;
2635 dma_addr_t dma_handle;
2636 int i, error;
2637 __le64 sas_address;
2638
2639 memset(port_info, 0, sizeof(struct mptsas_portinfo));
2640 hdr.PageVersion = MPI_SASEXPANDER0_PAGEVERSION;
2641 hdr.ExtPageLength = 0;
2642 hdr.PageNumber = 0;
2643 hdr.Reserved1 = 0;
2644 hdr.Reserved2 = 0;
2645 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2646 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
2647
2648 cfg.cfghdr.ehdr = &hdr;
2649 cfg.physAddr = -1;
2650 cfg.pageAddr = form + form_specific;
2651 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2652 cfg.dir = 0; /* read */
2653 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2654
2655 memset(port_info, 0, sizeof(struct mptsas_portinfo));
2656 error = mpt_config(ioc, &cfg);
2657 if (error)
2658 goto out;
2659
2660 if (!hdr.ExtPageLength) {
2661 error = -ENXIO;
2662 goto out;
2663 }
2664
2665 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2666 &dma_handle);
2667 if (!buffer) {
2668 error = -ENOMEM;
2669 goto out;
2670 }
2671
2672 cfg.physAddr = dma_handle;
2673 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2674
2675 error = mpt_config(ioc, &cfg);
2676 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
2677 error = -ENODEV;
2678 goto out_free_consistent;
2679 }
2680
2681 if (error)
2682 goto out_free_consistent;
2683
2684 /* save config data */
2685 port_info->num_phys = (buffer->NumPhys) ? buffer->NumPhys : 1;
2686 port_info->phy_info = kcalloc(port_info->num_phys,
2687 sizeof(struct mptsas_phyinfo), GFP_KERNEL);
2688 if (!port_info->phy_info) {
2689 error = -ENOMEM;
2690 goto out_free_consistent;
2691 }
2692
2693 memcpy(&sas_address, &buffer->SASAddress, sizeof(__le64));
2694 for (i = 0; i < port_info->num_phys; i++) {
2695 port_info->phy_info[i].portinfo = port_info;
2696 port_info->phy_info[i].handle =
2697 le16_to_cpu(buffer->DevHandle);
2698 port_info->phy_info[i].identify.sas_address =
2699 le64_to_cpu(sas_address);
2700 port_info->phy_info[i].identify.handle_parent =
2701 le16_to_cpu(buffer->ParentDevHandle);
2702 }
2703
2704 out_free_consistent:
2705 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2706 buffer, dma_handle);
2707 out:
2708 return error;
2709}
2710
2711static int
2712mptsas_sas_expander_pg1(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
2713 u32 form, u32 form_specific)
2714{
2715 ConfigExtendedPageHeader_t hdr;
2716 CONFIGPARMS cfg;
2717 SasExpanderPage1_t *buffer;
2718 dma_addr_t dma_handle;
2719 int error=0;
2720
2721 hdr.PageVersion = MPI_SASEXPANDER1_PAGEVERSION;
2722 hdr.ExtPageLength = 0;
2723 hdr.PageNumber = 1;
2724 hdr.Reserved1 = 0;
2725 hdr.Reserved2 = 0;
2726 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2727 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
2728
2729 cfg.cfghdr.ehdr = &hdr;
2730 cfg.physAddr = -1;
2731 cfg.pageAddr = form + form_specific;
2732 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2733 cfg.dir = 0; /* read */
2734 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2735
2736 error = mpt_config(ioc, &cfg);
2737 if (error)
2738 goto out;
2739
2740 if (!hdr.ExtPageLength) {
2741 error = -ENXIO;
2742 goto out;
2743 }
2744
2745 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2746 &dma_handle);
2747 if (!buffer) {
2748 error = -ENOMEM;
2749 goto out;
2750 }
2751
2752 cfg.physAddr = dma_handle;
2753 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2754
2755 error = mpt_config(ioc, &cfg);
2756
2757 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
2758 error = -ENODEV;
2759 goto out_free_consistent;
2760 }
2761
2762 if (error)
2763 goto out_free_consistent;
2764
2765
2766 mptsas_print_expander_pg1(ioc, buffer);
2767
2768 /* save config data */
2769 phy_info->phy_id = buffer->PhyIdentifier;
2770 phy_info->port_id = buffer->PhysicalPort;
2771 phy_info->negotiated_link_rate = buffer->NegotiatedLinkRate;
2772 phy_info->programmed_link_rate = buffer->ProgrammedLinkRate;
2773 phy_info->hw_link_rate = buffer->HwLinkRate;
2774 phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle);
2775 phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle);
2776
2777 out_free_consistent:
2778 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
2779 buffer, dma_handle);
2780 out:
2781 return error;
2782}
2783
2784struct rep_manu_request{
2785 u8 smp_frame_type;
2786 u8 function;
2787 u8 reserved;
2788 u8 request_length;
2789};
2790
2791struct rep_manu_reply{
2792 u8 smp_frame_type; /* 0x41 */
2793 u8 function; /* 0x01 */
2794 u8 function_result;
2795 u8 response_length;
2796 u16 expander_change_count;
2797 u8 reserved0[2];
2798 u8 sas_format:1;
2799 u8 reserved1:7;
2800 u8 reserved2[3];
2801 u8 vendor_id[SAS_EXPANDER_VENDOR_ID_LEN];
2802 u8 product_id[SAS_EXPANDER_PRODUCT_ID_LEN];
2803 u8 product_rev[SAS_EXPANDER_PRODUCT_REV_LEN];
2804 u8 component_vendor_id[SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN];
2805 u16 component_id;
2806 u8 component_revision_id;
2807 u8 reserved3;
2808 u8 vendor_specific[8];
2809};
2810
2811/**
2812 * mptsas_exp_repmanufacture_info -
2813 * @ioc: per adapter object
2814 * @sas_address: expander sas address
2815 * @edev: the sas_expander_device object
2816 *
2817 * Fills in the sas_expander_device object when SMP port is created.
2818 *
2819 * Returns 0 for success, non-zero for failure.
2820 */
2821static int
2822mptsas_exp_repmanufacture_info(MPT_ADAPTER *ioc,
2823 u64 sas_address, struct sas_expander_device *edev)
2824{
2825 MPT_FRAME_HDR *mf;
2826 SmpPassthroughRequest_t *smpreq;
2827 SmpPassthroughReply_t *smprep;
2828 struct rep_manu_reply *manufacture_reply;
2829 struct rep_manu_request *manufacture_request;
2830 int ret;
2831 int flagsLength;
2832 unsigned long timeleft;
2833 char *psge;
2834 unsigned long flags;
2835 void *data_out = NULL;
2836 dma_addr_t data_out_dma = 0;
2837 u32 sz;
2838
2839 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2840 if (ioc->ioc_reset_in_progress) {
2841 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2842 printk(MYIOC_s_INFO_FMT "%s: host reset in progress!\n",
2843 __func__, ioc->name);
2844 return -EFAULT;
2845 }
2846 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2847
2848 ret = mutex_lock_interruptible(&ioc->sas_mgmt.mutex);
2849 if (ret)
2850 goto out;
2851
2852 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
2853 if (!mf) {
2854 ret = -ENOMEM;
2855 goto out_unlock;
2856 }
2857
2858 smpreq = (SmpPassthroughRequest_t *)mf;
2859 memset(smpreq, 0, sizeof(*smpreq));
2860
2861 sz = sizeof(struct rep_manu_request) + sizeof(struct rep_manu_reply);
2862
2863 data_out = pci_alloc_consistent(ioc->pcidev, sz, &data_out_dma);
2864 if (!data_out) {
2865 printk(KERN_ERR "Memory allocation failure at %s:%d/%s()!\n",
2866 __FILE__, __LINE__, __func__);
2867 ret = -ENOMEM;
2868 goto put_mf;
2869 }
2870
2871 manufacture_request = data_out;
2872 manufacture_request->smp_frame_type = 0x40;
2873 manufacture_request->function = 1;
2874 manufacture_request->reserved = 0;
2875 manufacture_request->request_length = 0;
2876
2877 smpreq->Function = MPI_FUNCTION_SMP_PASSTHROUGH;
2878 smpreq->PhysicalPort = 0xFF;
2879 *((u64 *)&smpreq->SASAddress) = cpu_to_le64(sas_address);
2880 smpreq->RequestDataLength = sizeof(struct rep_manu_request);
2881
2882 psge = (char *)
2883 (((int *) mf) + (offsetof(SmpPassthroughRequest_t, SGL) / 4));
2884
2885 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2886 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
2887 MPI_SGE_FLAGS_HOST_TO_IOC |
2888 MPI_SGE_FLAGS_END_OF_BUFFER;
2889 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT;
2890 flagsLength |= sizeof(struct rep_manu_request);
2891
2892 ioc->add_sge(psge, flagsLength, data_out_dma);
2893 psge += ioc->SGE_size;
2894
2895 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2896 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
2897 MPI_SGE_FLAGS_IOC_TO_HOST |
2898 MPI_SGE_FLAGS_END_OF_BUFFER;
2899 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT;
2900 flagsLength |= sizeof(struct rep_manu_reply);
2901 ioc->add_sge(psge, flagsLength, data_out_dma +
2902 sizeof(struct rep_manu_request));
2903
2904 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status)
2905 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
2906
2907 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done, 10 * HZ);
2908 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2909 ret = -ETIME;
2910 mpt_free_msg_frame(ioc, mf);
2911 mf = NULL;
2912 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
2913 goto out_free;
2914 if (!timeleft)
2915 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2916 goto out_free;
2917 }
2918
2919 mf = NULL;
2920
2921 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_RF_VALID) {
2922 u8 *tmp;
2923
2924 smprep = (SmpPassthroughReply_t *)ioc->sas_mgmt.reply;
2925 if (le16_to_cpu(smprep->ResponseDataLength) !=
2926 sizeof(struct rep_manu_reply))
2927 goto out_free;
2928
2929 manufacture_reply = data_out + sizeof(struct rep_manu_request);
2930 strncpy(edev->vendor_id, manufacture_reply->vendor_id,
2931 SAS_EXPANDER_VENDOR_ID_LEN);
2932 strncpy(edev->product_id, manufacture_reply->product_id,
2933 SAS_EXPANDER_PRODUCT_ID_LEN);
2934 strncpy(edev->product_rev, manufacture_reply->product_rev,
2935 SAS_EXPANDER_PRODUCT_REV_LEN);
2936 edev->level = manufacture_reply->sas_format;
2937 if (manufacture_reply->sas_format) {
2938 strncpy(edev->component_vendor_id,
2939 manufacture_reply->component_vendor_id,
2940 SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN);
2941 tmp = (u8 *)&manufacture_reply->component_id;
2942 edev->component_id = tmp[0] << 8 | tmp[1];
2943 edev->component_revision_id =
2944 manufacture_reply->component_revision_id;
2945 }
2946 } else {
2947 printk(MYIOC_s_ERR_FMT
2948 "%s: smp passthru reply failed to be returned\n",
2949 ioc->name, __func__);
2950 ret = -ENXIO;
2951 }
2952out_free:
2953 if (data_out_dma)
2954 pci_free_consistent(ioc->pcidev, sz, data_out, data_out_dma);
2955put_mf:
2956 if (mf)
2957 mpt_free_msg_frame(ioc, mf);
2958out_unlock:
2959 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status)
2960 mutex_unlock(&ioc->sas_mgmt.mutex);
2961out:
2962 return ret;
2963 }
2964
2965static void
2966mptsas_parse_device_info(struct sas_identify *identify,
2967 struct mptsas_devinfo *device_info)
2968{
2969 u16 protocols;
2970
2971 identify->sas_address = device_info->sas_address;
2972 identify->phy_identifier = device_info->phy_id;
2973
2974 /*
2975 * Fill in Phy Initiator Port Protocol.
2976 * Bits 6:3, more than one bit can be set, fall through cases.
2977 */
2978 protocols = device_info->device_info & 0x78;
2979 identify->initiator_port_protocols = 0;
2980 if (protocols & MPI_SAS_DEVICE_INFO_SSP_INITIATOR)
2981 identify->initiator_port_protocols |= SAS_PROTOCOL_SSP;
2982 if (protocols & MPI_SAS_DEVICE_INFO_STP_INITIATOR)
2983 identify->initiator_port_protocols |= SAS_PROTOCOL_STP;
2984 if (protocols & MPI_SAS_DEVICE_INFO_SMP_INITIATOR)
2985 identify->initiator_port_protocols |= SAS_PROTOCOL_SMP;
2986 if (protocols & MPI_SAS_DEVICE_INFO_SATA_HOST)
2987 identify->initiator_port_protocols |= SAS_PROTOCOL_SATA;
2988
2989 /*
2990 * Fill in Phy Target Port Protocol.
2991 * Bits 10:7, more than one bit can be set, fall through cases.
2992 */
2993 protocols = device_info->device_info & 0x780;
2994 identify->target_port_protocols = 0;
2995 if (protocols & MPI_SAS_DEVICE_INFO_SSP_TARGET)
2996 identify->target_port_protocols |= SAS_PROTOCOL_SSP;
2997 if (protocols & MPI_SAS_DEVICE_INFO_STP_TARGET)
2998 identify->target_port_protocols |= SAS_PROTOCOL_STP;
2999 if (protocols & MPI_SAS_DEVICE_INFO_SMP_TARGET)
3000 identify->target_port_protocols |= SAS_PROTOCOL_SMP;
3001 if (protocols & MPI_SAS_DEVICE_INFO_SATA_DEVICE)
3002 identify->target_port_protocols |= SAS_PROTOCOL_SATA;
3003
3004 /*
3005 * Fill in Attached device type.
3006 */
3007 switch (device_info->device_info &
3008 MPI_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) {
3009 case MPI_SAS_DEVICE_INFO_NO_DEVICE:
3010 identify->device_type = SAS_PHY_UNUSED;
3011 break;
3012 case MPI_SAS_DEVICE_INFO_END_DEVICE:
3013 identify->device_type = SAS_END_DEVICE;
3014 break;
3015 case MPI_SAS_DEVICE_INFO_EDGE_EXPANDER:
3016 identify->device_type = SAS_EDGE_EXPANDER_DEVICE;
3017 break;
3018 case MPI_SAS_DEVICE_INFO_FANOUT_EXPANDER:
3019 identify->device_type = SAS_FANOUT_EXPANDER_DEVICE;
3020 break;
3021 }
3022}
3023
3024static int mptsas_probe_one_phy(struct device *dev,
3025 struct mptsas_phyinfo *phy_info, int index, int local)
3026{
3027 MPT_ADAPTER *ioc;
3028 struct sas_phy *phy;
3029 struct sas_port *port;
3030 int error = 0;
3031 VirtTarget *vtarget;
3032
3033 if (!dev) {
3034 error = -ENODEV;
3035 goto out;
3036 }
3037
3038 if (!phy_info->phy) {
3039 phy = sas_phy_alloc(dev, index);
3040 if (!phy) {
3041 error = -ENOMEM;
3042 goto out;
3043 }
3044 } else
3045 phy = phy_info->phy;
3046
3047 mptsas_parse_device_info(&phy->identify, &phy_info->identify);
3048
3049 /*
3050 * Set Negotiated link rate.
3051 */
3052 switch (phy_info->negotiated_link_rate) {
3053 case MPI_SAS_IOUNIT0_RATE_PHY_DISABLED:
3054 phy->negotiated_linkrate = SAS_PHY_DISABLED;
3055 break;
3056 case MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION:
3057 phy->negotiated_linkrate = SAS_LINK_RATE_FAILED;
3058 break;
3059 case MPI_SAS_IOUNIT0_RATE_1_5:
3060 phy->negotiated_linkrate = SAS_LINK_RATE_1_5_GBPS;
3061 break;
3062 case MPI_SAS_IOUNIT0_RATE_3_0:
3063 phy->negotiated_linkrate = SAS_LINK_RATE_3_0_GBPS;
3064 break;
3065 case MPI_SAS_IOUNIT0_RATE_6_0:
3066 phy->negotiated_linkrate = SAS_LINK_RATE_6_0_GBPS;
3067 break;
3068 case MPI_SAS_IOUNIT0_RATE_SATA_OOB_COMPLETE:
3069 case MPI_SAS_IOUNIT0_RATE_UNKNOWN:
3070 default:
3071 phy->negotiated_linkrate = SAS_LINK_RATE_UNKNOWN;
3072 break;
3073 }
3074
3075 /*
3076 * Set Max hardware link rate.
3077 */
3078 switch (phy_info->hw_link_rate & MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) {
3079 case MPI_SAS_PHY0_HWRATE_MAX_RATE_1_5:
3080 phy->maximum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3081 break;
3082 case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0:
3083 phy->maximum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS;
3084 break;
3085 default:
3086 break;
3087 }
3088
3089 /*
3090 * Set Max programmed link rate.
3091 */
3092 switch (phy_info->programmed_link_rate &
3093 MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) {
3094 case MPI_SAS_PHY0_PRATE_MAX_RATE_1_5:
3095 phy->maximum_linkrate = SAS_LINK_RATE_1_5_GBPS;
3096 break;
3097 case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0:
3098 phy->maximum_linkrate = SAS_LINK_RATE_3_0_GBPS;
3099 break;
3100 default:
3101 break;
3102 }
3103
3104 /*
3105 * Set Min hardware link rate.
3106 */
3107 switch (phy_info->hw_link_rate & MPI_SAS_PHY0_HWRATE_MIN_RATE_MASK) {
3108 case MPI_SAS_PHY0_HWRATE_MIN_RATE_1_5:
3109 phy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3110 break;
3111 case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0:
3112 phy->minimum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS;
3113 break;
3114 default:
3115 break;
3116 }
3117
3118 /*
3119 * Set Min programmed link rate.
3120 */
3121 switch (phy_info->programmed_link_rate &
3122 MPI_SAS_PHY0_PRATE_MIN_RATE_MASK) {
3123 case MPI_SAS_PHY0_PRATE_MIN_RATE_1_5:
3124 phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
3125 break;
3126 case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0:
3127 phy->minimum_linkrate = SAS_LINK_RATE_3_0_GBPS;
3128 break;
3129 default:
3130 break;
3131 }
3132
3133 if (!phy_info->phy) {
3134
3135 error = sas_phy_add(phy);
3136 if (error) {
3137 sas_phy_free(phy);
3138 goto out;
3139 }
3140 phy_info->phy = phy;
3141 }
3142
3143 if (!phy_info->attached.handle ||
3144 !phy_info->port_details)
3145 goto out;
3146
3147 port = mptsas_get_port(phy_info);
3148 ioc = phy_to_ioc(phy_info->phy);
3149
3150 if (phy_info->sas_port_add_phy) {
3151
3152 if (!port) {
3153 port = sas_port_alloc_num(dev);
3154 if (!port) {
3155 error = -ENOMEM;
3156 goto out;
3157 }
3158 error = sas_port_add(port);
3159 if (error) {
3160 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3161 "%s: exit at line=%d\n", ioc->name,
3162 __func__, __LINE__));
3163 goto out;
3164 }
3165 mptsas_set_port(ioc, phy_info, port);
3166 devtprintk(ioc, dev_printk(KERN_DEBUG, &port->dev,
3167 MYIOC_s_FMT "add port %d, sas_addr (0x%llx)\n",
3168 ioc->name, port->port_identifier,
3169 (unsigned long long)phy_info->
3170 attached.sas_address));
3171 }
3172 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3173 "sas_port_add_phy: phy_id=%d\n",
3174 ioc->name, phy_info->phy_id));
3175 sas_port_add_phy(port, phy_info->phy);
3176 phy_info->sas_port_add_phy = 0;
3177 devtprintk(ioc, dev_printk(KERN_DEBUG, &phy_info->phy->dev,
3178 MYIOC_s_FMT "add phy %d, phy-obj (0x%p)\n", ioc->name,
3179 phy_info->phy_id, phy_info->phy));
3180 }
3181 if (!mptsas_get_rphy(phy_info) && port && !port->rphy) {
3182
3183 struct sas_rphy *rphy;
3184 struct device *parent;
3185 struct sas_identify identify;
3186
3187 parent = dev->parent->parent;
3188 /*
3189 * Let the hotplug_work thread handle processing
3190 * the adding/removing of devices that occur
3191 * after start of day.
3192 */
3193 if (mptsas_is_end_device(&phy_info->attached) &&
3194 phy_info->attached.handle_parent) {
3195 goto out;
3196 }
3197
3198 mptsas_parse_device_info(&identify, &phy_info->attached);
3199 if (scsi_is_host_device(parent)) {
3200 struct mptsas_portinfo *port_info;
3201 int i;
3202
3203 port_info = ioc->hba_port_info;
3204
3205 for (i = 0; i < port_info->num_phys; i++)
3206 if (port_info->phy_info[i].identify.sas_address ==
3207 identify.sas_address) {
3208 sas_port_mark_backlink(port);
3209 goto out;
3210 }
3211
3212 } else if (scsi_is_sas_rphy(parent)) {
3213 struct sas_rphy *parent_rphy = dev_to_rphy(parent);
3214 if (identify.sas_address ==
3215 parent_rphy->identify.sas_address) {
3216 sas_port_mark_backlink(port);
3217 goto out;
3218 }
3219 }
3220
3221 switch (identify.device_type) {
3222 case SAS_END_DEVICE:
3223 rphy = sas_end_device_alloc(port);
3224 break;
3225 case SAS_EDGE_EXPANDER_DEVICE:
3226 case SAS_FANOUT_EXPANDER_DEVICE:
3227 rphy = sas_expander_alloc(port, identify.device_type);
3228 break;
3229 default:
3230 rphy = NULL;
3231 break;
3232 }
3233 if (!rphy) {
3234 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3235 "%s: exit at line=%d\n", ioc->name,
3236 __func__, __LINE__));
3237 goto out;
3238 }
3239
3240 rphy->identify = identify;
3241 error = sas_rphy_add(rphy);
3242 if (error) {
3243 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3244 "%s: exit at line=%d\n", ioc->name,
3245 __func__, __LINE__));
3246 sas_rphy_free(rphy);
3247 goto out;
3248 }
3249 mptsas_set_rphy(ioc, phy_info, rphy);
3250 if (identify.device_type == SAS_EDGE_EXPANDER_DEVICE ||
3251 identify.device_type == SAS_FANOUT_EXPANDER_DEVICE)
3252 mptsas_exp_repmanufacture_info(ioc,
3253 identify.sas_address,
3254 rphy_to_expander_device(rphy));
3255 }
3256
3257 /* If the device exists,verify it wasn't previously flagged
3258 as a missing device. If so, clear it */
3259 vtarget = mptsas_find_vtarget(ioc,
3260 phy_info->attached.channel,
3261 phy_info->attached.id);
3262 if (vtarget && vtarget->inDMD) {
3263 printk(KERN_INFO "Device returned, unsetting inDMD\n");
3264 vtarget->inDMD = 0;
3265 }
3266
3267 out:
3268 return error;
3269}
3270
3271static int
3272mptsas_probe_hba_phys(MPT_ADAPTER *ioc)
3273{
3274 struct mptsas_portinfo *port_info, *hba;
3275 int error = -ENOMEM, i;
3276
3277 hba = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
3278 if (! hba)
3279 goto out;
3280
3281 error = mptsas_sas_io_unit_pg0(ioc, hba);
3282 if (error)
3283 goto out_free_port_info;
3284
3285 mptsas_sas_io_unit_pg1(ioc);
3286 mutex_lock(&ioc->sas_topology_mutex);
3287 port_info = ioc->hba_port_info;
3288 if (!port_info) {
3289 ioc->hba_port_info = port_info = hba;
3290 ioc->hba_port_num_phy = port_info->num_phys;
3291 list_add_tail(&port_info->list, &ioc->sas_topology);
3292 } else {
3293 for (i = 0; i < hba->num_phys; i++) {
3294 port_info->phy_info[i].negotiated_link_rate =
3295 hba->phy_info[i].negotiated_link_rate;
3296 port_info->phy_info[i].handle =
3297 hba->phy_info[i].handle;
3298 port_info->phy_info[i].port_id =
3299 hba->phy_info[i].port_id;
3300 }
3301 kfree(hba->phy_info);
3302 kfree(hba);
3303 hba = NULL;
3304 }
3305 mutex_unlock(&ioc->sas_topology_mutex);
3306#if defined(CPQ_CIM)
3307 ioc->num_ports = port_info->num_phys;
3308#endif
3309 for (i = 0; i < port_info->num_phys; i++) {
3310 mptsas_sas_phy_pg0(ioc, &port_info->phy_info[i],
3311 (MPI_SAS_PHY_PGAD_FORM_PHY_NUMBER <<
3312 MPI_SAS_PHY_PGAD_FORM_SHIFT), i);
3313 port_info->phy_info[i].identify.handle =
3314 port_info->phy_info[i].handle;
3315 mptsas_sas_device_pg0(ioc, &port_info->phy_info[i].identify,
3316 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3317 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3318 port_info->phy_info[i].identify.handle);
3319 if (!ioc->hba_port_sas_addr)
3320 ioc->hba_port_sas_addr =
3321 port_info->phy_info[i].identify.sas_address;
3322 port_info->phy_info[i].identify.phy_id =
3323 port_info->phy_info[i].phy_id = i;
3324 if (port_info->phy_info[i].attached.handle)
3325 mptsas_sas_device_pg0(ioc,
3326 &port_info->phy_info[i].attached,
3327 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3328 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3329 port_info->phy_info[i].attached.handle);
3330 }
3331
3332 mptsas_setup_wide_ports(ioc, port_info);
3333
3334 for (i = 0; i < port_info->num_phys; i++, ioc->sas_index++)
3335 mptsas_probe_one_phy(&ioc->sh->shost_gendev,
3336 &port_info->phy_info[i], ioc->sas_index, 1);
3337
3338 return 0;
3339
3340 out_free_port_info:
3341 kfree(hba);
3342 out:
3343 return error;
3344}
3345
3346static void
3347mptsas_expander_refresh(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
3348{
3349 struct mptsas_portinfo *parent;
3350 struct device *parent_dev;
3351 struct sas_rphy *rphy;
3352 int i;
3353 u64 sas_address; /* expander sas address */
3354 u32 handle;
3355
3356 handle = port_info->phy_info[0].handle;
3357 sas_address = port_info->phy_info[0].identify.sas_address;
3358 for (i = 0; i < port_info->num_phys; i++) {
3359 mptsas_sas_expander_pg1(ioc, &port_info->phy_info[i],
3360 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE_PHY_NUM <<
3361 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), (i << 16) + handle);
3362
3363 mptsas_sas_device_pg0(ioc,
3364 &port_info->phy_info[i].identify,
3365 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3366 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3367 port_info->phy_info[i].identify.handle);
3368 port_info->phy_info[i].identify.phy_id =
3369 port_info->phy_info[i].phy_id;
3370
3371 if (port_info->phy_info[i].attached.handle) {
3372 mptsas_sas_device_pg0(ioc,
3373 &port_info->phy_info[i].attached,
3374 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3375 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3376 port_info->phy_info[i].attached.handle);
3377 port_info->phy_info[i].attached.phy_id =
3378 port_info->phy_info[i].phy_id;
3379 }
3380 }
3381
3382 mutex_lock(&ioc->sas_topology_mutex);
3383 parent = mptsas_find_portinfo_by_handle(ioc,
3384 port_info->phy_info[0].identify.handle_parent);
3385 if (!parent) {
3386 mutex_unlock(&ioc->sas_topology_mutex);
3387 return;
3388 }
3389 for (i = 0, parent_dev = NULL; i < parent->num_phys && !parent_dev;
3390 i++) {
3391 if (parent->phy_info[i].attached.sas_address == sas_address) {
3392 rphy = mptsas_get_rphy(&parent->phy_info[i]);
3393 parent_dev = &rphy->dev;
3394 }
3395 }
3396 mutex_unlock(&ioc->sas_topology_mutex);
3397
3398 mptsas_setup_wide_ports(ioc, port_info);
3399 for (i = 0; i < port_info->num_phys; i++, ioc->sas_index++)
3400 mptsas_probe_one_phy(parent_dev, &port_info->phy_info[i],
3401 ioc->sas_index, 0);
3402}
3403
3404static void
3405mptsas_expander_event_add(MPT_ADAPTER *ioc,
3406 MpiEventDataSasExpanderStatusChange_t *expander_data)
3407{
3408 struct mptsas_portinfo *port_info;
3409 int i;
3410 __le64 sas_address;
3411
3412 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
3413 if (!port_info)
3414 BUG();
3415 port_info->num_phys = (expander_data->NumPhys) ?
3416 expander_data->NumPhys : 1;
3417 port_info->phy_info = kcalloc(port_info->num_phys,
3418 sizeof(struct mptsas_phyinfo), GFP_KERNEL);
3419 if (!port_info->phy_info)
3420 BUG();
3421 memcpy(&sas_address, &expander_data->SASAddress, sizeof(__le64));
3422 for (i = 0; i < port_info->num_phys; i++) {
3423 port_info->phy_info[i].portinfo = port_info;
3424 port_info->phy_info[i].handle =
3425 le16_to_cpu(expander_data->DevHandle);
3426 port_info->phy_info[i].identify.sas_address =
3427 le64_to_cpu(sas_address);
3428 port_info->phy_info[i].identify.handle_parent =
3429 le16_to_cpu(expander_data->ParentDevHandle);
3430 }
3431
3432 mutex_lock(&ioc->sas_topology_mutex);
3433 list_add_tail(&port_info->list, &ioc->sas_topology);
3434 mutex_unlock(&ioc->sas_topology_mutex);
3435
3436 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, "
3437 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3438 (unsigned long long)sas_address);
3439
3440 mptsas_expander_refresh(ioc, port_info);
3441}
3442
3443/**
3444 * mptsas_delete_expander_siblings - remove siblings attached to expander
3445 * @ioc: Pointer to MPT_ADAPTER structure
3446 * @parent: the parent port_info object
3447 * @expander: the expander port_info object
3448 **/
3449static void
3450mptsas_delete_expander_siblings(MPT_ADAPTER *ioc, struct mptsas_portinfo
3451 *parent, struct mptsas_portinfo *expander)
3452{
3453 struct mptsas_phyinfo *phy_info;
3454 struct mptsas_portinfo *port_info;
3455 struct sas_rphy *rphy;
3456 int i;
3457
3458 phy_info = expander->phy_info;
3459 for (i = 0; i < expander->num_phys; i++, phy_info++) {
3460 rphy = mptsas_get_rphy(phy_info);
3461 if (!rphy)
3462 continue;
3463 if (rphy->identify.device_type == SAS_END_DEVICE)
3464 mptsas_del_end_device(ioc, phy_info);
3465 }
3466
3467 phy_info = expander->phy_info;
3468 for (i = 0; i < expander->num_phys; i++, phy_info++) {
3469 rphy = mptsas_get_rphy(phy_info);
3470 if (!rphy)
3471 continue;
3472 if (rphy->identify.device_type ==
3473 MPI_SAS_DEVICE_INFO_EDGE_EXPANDER ||
3474 rphy->identify.device_type ==
3475 MPI_SAS_DEVICE_INFO_FANOUT_EXPANDER) {
3476 port_info = mptsas_find_portinfo_by_sas_address(ioc,
3477 rphy->identify.sas_address);
3478 if (!port_info)
3479 continue;
3480 if (port_info == parent) /* backlink rphy */
3481 continue;
3482 /*
3483 Delete this expander even if the expdevpage is exists
3484 because the parent expander is already deleted
3485 */
3486 mptsas_expander_delete(ioc, port_info, 1);
3487 }
3488 }
3489}
3490
3491
3492/**
3493 * mptsas_expander_delete - remove this expander
3494 * @ioc: Pointer to MPT_ADAPTER structure
3495 * @port_info: expander port_info struct
3496 * @force: Flag to forcefully delete the expander
3497 *
3498 **/
3499
3500static void mptsas_expander_delete(MPT_ADAPTER *ioc,
3501 struct mptsas_portinfo *port_info, u8 force)
3502{
3503
3504 struct mptsas_portinfo *parent;
3505 int i;
3506 u64 expander_sas_address;
3507 struct mptsas_phyinfo *phy_info;
3508 struct mptsas_portinfo buffer;
3509 struct mptsas_portinfo_details *port_details;
3510 struct sas_port *port;
3511
3512 if (!port_info)
3513 return;
3514
3515 /* see if expander is still there before deleting */
3516 mptsas_sas_expander_pg0(ioc, &buffer,
3517 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE <<
3518 MPI_SAS_EXPAND_PGAD_FORM_SHIFT),
3519 port_info->phy_info[0].identify.handle);
3520
3521 if (buffer.num_phys) {
3522 kfree(buffer.phy_info);
3523 if (!force)
3524 return;
3525 }
3526
3527
3528 /*
3529 * Obtain the port_info instance to the parent port
3530 */
3531 port_details = NULL;
3532 expander_sas_address =
3533 port_info->phy_info[0].identify.sas_address;
3534 parent = mptsas_find_portinfo_by_handle(ioc,
3535 port_info->phy_info[0].identify.handle_parent);
3536 mptsas_delete_expander_siblings(ioc, parent, port_info);
3537 if (!parent)
3538 goto out;
3539
3540 /*
3541 * Delete rphys in the parent that point
3542 * to this expander.
3543 */
3544 phy_info = parent->phy_info;
3545 port = NULL;
3546 for (i = 0; i < parent->num_phys; i++, phy_info++) {
3547 if (!phy_info->phy)
3548 continue;
3549 if (phy_info->attached.sas_address !=
3550 expander_sas_address)
3551 continue;
3552 if (!port) {
3553 port = mptsas_get_port(phy_info);
3554 port_details = phy_info->port_details;
3555 }
3556 dev_printk(KERN_DEBUG, &phy_info->phy->dev,
3557 MYIOC_s_FMT "delete phy %d, phy-obj (0x%p)\n", ioc->name,
3558 phy_info->phy_id, phy_info->phy);
3559 sas_port_delete_phy(port, phy_info->phy);
3560 }
3561 if (port) {
3562 dev_printk(KERN_DEBUG, &port->dev,
3563 MYIOC_s_FMT "delete port %d, sas_addr (0x%llx)\n",
3564 ioc->name, port->port_identifier,
3565 (unsigned long long)expander_sas_address);
3566 sas_port_delete(port);
3567 mptsas_port_delete(ioc, port_details);
3568 }
3569 out:
3570
3571 printk(MYIOC_s_INFO_FMT "delete expander: num_phys %d, "
3572 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3573 (unsigned long long)expander_sas_address);
3574
3575 /*
3576 * free link
3577 */
3578 list_del(&port_info->list);
3579 kfree(port_info->phy_info);
3580 kfree(port_info);
3581}
3582
3583
3584/**
3585 * mptsas_send_expander_event - expanders events
3586 * @ioc: Pointer to MPT_ADAPTER structure
3587 * @expander_data: event data
3588 *
3589 *
3590 * This function handles adding, removing, and refreshing
3591 * device handles within the expander objects.
3592 */
3593static void
3594mptsas_send_expander_event(struct fw_event_work *fw_event)
3595{
3596 MPT_ADAPTER *ioc;
3597 MpiEventDataSasExpanderStatusChange_t *expander_data;
3598 struct mptsas_portinfo *port_info;
3599 __le64 sas_address;
3600 int i;
3601
3602 ioc = fw_event->ioc;
3603 expander_data = (MpiEventDataSasExpanderStatusChange_t *)
3604 fw_event->event_data;
3605 memcpy(&sas_address, &expander_data->SASAddress, sizeof(__le64));
3606 sas_address = le64_to_cpu(sas_address);
3607 port_info = mptsas_find_portinfo_by_sas_address(ioc, sas_address);
3608
3609 if (expander_data->ReasonCode == MPI_EVENT_SAS_EXP_RC_ADDED) {
3610 if (port_info) {
3611 for (i = 0; i < port_info->num_phys; i++) {
3612 port_info->phy_info[i].portinfo = port_info;
3613 port_info->phy_info[i].handle =
3614 le16_to_cpu(expander_data->DevHandle);
3615 port_info->phy_info[i].identify.sas_address =
3616 le64_to_cpu(sas_address);
3617 port_info->phy_info[i].identify.handle_parent =
3618 le16_to_cpu(expander_data->ParentDevHandle);
3619 }
3620 mptsas_expander_refresh(ioc, port_info);
3621 } else if (!port_info && expander_data->NumPhys)
3622 mptsas_expander_event_add(ioc, expander_data);
3623 } else if (expander_data->ReasonCode ==
3624 MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING)
3625 mptsas_expander_delete(ioc, port_info, 0);
3626
3627 mptsas_free_fw_event(ioc, fw_event);
3628}
3629
3630
3631/**
3632 * mptsas_expander_add -
3633 * @ioc: Pointer to MPT_ADAPTER structure
3634 * @handle:
3635 *
3636 */
3637struct mptsas_portinfo *
3638mptsas_expander_add(MPT_ADAPTER *ioc, u16 handle)
3639{
3640 struct mptsas_portinfo buffer, *port_info;
3641 int i;
3642
3643 if ((mptsas_sas_expander_pg0(ioc, &buffer,
3644 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE <<
3645 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle)))
3646 return NULL;
3647
3648 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_ATOMIC);
3649 if (!port_info) {
3650 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3651 "%s: exit at line=%d\n", ioc->name,
3652 __func__, __LINE__));
3653 return NULL;
3654 }
3655 port_info->num_phys = buffer.num_phys;
3656 port_info->phy_info = buffer.phy_info;
3657 for (i = 0; i < port_info->num_phys; i++)
3658 port_info->phy_info[i].portinfo = port_info;
3659 mutex_lock(&ioc->sas_topology_mutex);
3660 list_add_tail(&port_info->list, &ioc->sas_topology);
3661 mutex_unlock(&ioc->sas_topology_mutex);
3662 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, "
3663 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3664 (unsigned long long)buffer.phy_info[0].identify.sas_address);
3665 mptsas_expander_refresh(ioc, port_info);
3666 return port_info;
3667}
3668
3669static void
3670mptsas_send_link_status_event(struct fw_event_work *fw_event)
3671{
3672 MPT_ADAPTER *ioc;
3673 MpiEventDataSasPhyLinkStatus_t *link_data;
3674 struct mptsas_portinfo *port_info;
3675 struct mptsas_phyinfo *phy_info = NULL;
3676 __le64 sas_address;
3677 u8 phy_num;
3678 u8 link_rate;
3679
3680 ioc = fw_event->ioc;
3681 link_data = (MpiEventDataSasPhyLinkStatus_t *)fw_event->event_data;
3682
3683 memcpy(&sas_address, &link_data->SASAddress, sizeof(__le64));
3684 sas_address = le64_to_cpu(sas_address);
3685 link_rate = link_data->LinkRates >> 4;
3686 phy_num = link_data->PhyNum;
3687
3688 port_info = mptsas_find_portinfo_by_sas_address(ioc, sas_address);
3689 if (port_info) {
3690 phy_info = &port_info->phy_info[phy_num];
3691 if (phy_info)
3692 phy_info->negotiated_link_rate = link_rate;
3693 }
3694
3695 if (link_rate == MPI_SAS_IOUNIT0_RATE_1_5 ||
3696 link_rate == MPI_SAS_IOUNIT0_RATE_3_0 ||
3697 link_rate == MPI_SAS_IOUNIT0_RATE_6_0) {
3698
3699 if (!port_info) {
3700 if (ioc->old_sas_discovery_protocal) {
3701 port_info = mptsas_expander_add(ioc,
3702 le16_to_cpu(link_data->DevHandle));
3703 if (port_info)
3704 goto out;
3705 }
3706 goto out;
3707 }
3708
3709 if (port_info == ioc->hba_port_info)
3710 mptsas_probe_hba_phys(ioc);
3711 else
3712 mptsas_expander_refresh(ioc, port_info);
3713 } else if (phy_info && phy_info->phy) {
3714 if (link_rate == MPI_SAS_IOUNIT0_RATE_PHY_DISABLED)
3715 phy_info->phy->negotiated_linkrate =
3716 SAS_PHY_DISABLED;
3717 else if (link_rate ==
3718 MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION)
3719 phy_info->phy->negotiated_linkrate =
3720 SAS_LINK_RATE_FAILED;
3721 else {
3722 phy_info->phy->negotiated_linkrate =
3723 SAS_LINK_RATE_UNKNOWN;
3724 if (ioc->device_missing_delay &&
3725 mptsas_is_end_device(&phy_info->attached)) {
3726 struct scsi_device *sdev;
3727 VirtDevice *vdevice;
3728 u8 channel, id;
3729 id = phy_info->attached.id;
3730 channel = phy_info->attached.channel;
3731 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3732 "Link down for fw_id %d:fw_channel %d\n",
3733 ioc->name, phy_info->attached.id,
3734 phy_info->attached.channel));
3735
3736 shost_for_each_device(sdev, ioc->sh) {
3737 vdevice = sdev->hostdata;
3738 if ((vdevice == NULL) ||
3739 (vdevice->vtarget == NULL))
3740 continue;
3741 if ((vdevice->vtarget->tflags &
3742 MPT_TARGET_FLAGS_RAID_COMPONENT ||
3743 vdevice->vtarget->raidVolume))
3744 continue;
3745 if (vdevice->vtarget->id == id &&
3746 vdevice->vtarget->channel ==
3747 channel)
3748 devtprintk(ioc,
3749 printk(MYIOC_s_DEBUG_FMT
3750 "SDEV OUTSTANDING CMDS"
3751 "%d\n", ioc->name,
3752 sdev->device_busy));
3753 }
3754
3755 }
3756 }
3757 }
3758 out:
3759 mptsas_free_fw_event(ioc, fw_event);
3760}
3761
3762static void
3763mptsas_not_responding_devices(MPT_ADAPTER *ioc)
3764{
3765 struct mptsas_portinfo buffer, *port_info;
3766 struct mptsas_device_info *sas_info;
3767 struct mptsas_devinfo sas_device;
3768 u32 handle;
3769 VirtTarget *vtarget = NULL;
3770 struct mptsas_phyinfo *phy_info;
3771 u8 found_expander;
3772 int retval, retry_count;
3773 unsigned long flags;
3774
3775 mpt_findImVolumes(ioc);
3776
3777 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
3778 if (ioc->ioc_reset_in_progress) {
3779 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3780 "%s: exiting due to a parallel reset \n", ioc->name,
3781 __func__));
3782 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
3783 return;
3784 }
3785 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
3786
3787 /* devices, logical volumes */
3788 mutex_lock(&ioc->sas_device_info_mutex);
3789 redo_device_scan:
3790 list_for_each_entry(sas_info, &ioc->sas_device_info_list, list) {
3791 if (sas_info->is_cached)
3792 continue;
3793 if (!sas_info->is_logical_volume) {
3794 sas_device.handle = 0;
3795 retry_count = 0;
3796retry_page:
3797 retval = mptsas_sas_device_pg0(ioc, &sas_device,
3798 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID
3799 << MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3800 (sas_info->fw.channel << 8) +
3801 sas_info->fw.id);
3802
3803 if (sas_device.handle)
3804 continue;
3805 if (retval == -EBUSY) {
3806 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
3807 if (ioc->ioc_reset_in_progress) {
3808 dfailprintk(ioc,
3809 printk(MYIOC_s_DEBUG_FMT
3810 "%s: exiting due to reset\n",
3811 ioc->name, __func__));
3812 spin_unlock_irqrestore
3813 (&ioc->taskmgmt_lock, flags);
3814 mutex_unlock(&ioc->
3815 sas_device_info_mutex);
3816 return;
3817 }
3818 spin_unlock_irqrestore(&ioc->taskmgmt_lock,
3819 flags);
3820 }
3821
3822 if (retval && (retval != -ENODEV)) {
3823 if (retry_count < 10) {
3824 retry_count++;
3825 goto retry_page;
3826 } else {
3827 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3828 "%s: Config page retry exceeded retry "
3829 "count deleting device 0x%llx\n",
3830 ioc->name, __func__,
3831 sas_info->sas_address));
3832 }
3833 }
3834
3835 /* delete device */
3836 vtarget = mptsas_find_vtarget(ioc,
3837 sas_info->fw.channel, sas_info->fw.id);
3838
3839 if (vtarget)
3840 vtarget->deleted = 1;
3841
3842 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
3843 sas_info->sas_address);
3844
3845 if (phy_info) {
3846 mptsas_del_end_device(ioc, phy_info);
3847 goto redo_device_scan;
3848 }
3849 } else
3850 mptsas_volume_delete(ioc, sas_info->fw.id);
3851 }
3852 mutex_unlock(&ioc->sas_device_info_mutex);
3853
3854 /* expanders */
3855 mutex_lock(&ioc->sas_topology_mutex);
3856 redo_expander_scan:
3857 list_for_each_entry(port_info, &ioc->sas_topology, list) {
3858
3859 if (port_info->phy_info &&
3860 (!(port_info->phy_info[0].identify.device_info &
3861 MPI_SAS_DEVICE_INFO_SMP_TARGET)))
3862 continue;
3863 found_expander = 0;
3864 handle = 0xFFFF;
3865 while (!mptsas_sas_expander_pg0(ioc, &buffer,
3866 (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE <<
3867 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle) &&
3868 !found_expander) {
3869
3870 handle = buffer.phy_info[0].handle;
3871 if (buffer.phy_info[0].identify.sas_address ==
3872 port_info->phy_info[0].identify.sas_address) {
3873 found_expander = 1;
3874 }
3875 kfree(buffer.phy_info);
3876 }
3877
3878 if (!found_expander) {
3879 mptsas_expander_delete(ioc, port_info, 0);
3880 goto redo_expander_scan;
3881 }
3882 }
3883 mutex_unlock(&ioc->sas_topology_mutex);
3884}
3885
3886/**
3887 * mptsas_probe_expanders - adding expanders
3888 * @ioc: Pointer to MPT_ADAPTER structure
3889 *
3890 **/
3891static void
3892mptsas_probe_expanders(MPT_ADAPTER *ioc)
3893{
3894 struct mptsas_portinfo buffer, *port_info;
3895 u32 handle;
3896 int i;
3897
3898 handle = 0xFFFF;
3899 while (!mptsas_sas_expander_pg0(ioc, &buffer,
3900 (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE <<
3901 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle)) {
3902
3903 handle = buffer.phy_info[0].handle;
3904 port_info = mptsas_find_portinfo_by_sas_address(ioc,
3905 buffer.phy_info[0].identify.sas_address);
3906
3907 if (port_info) {
3908 /* refreshing handles */
3909 for (i = 0; i < buffer.num_phys; i++) {
3910 port_info->phy_info[i].handle = handle;
3911 port_info->phy_info[i].identify.handle_parent =
3912 buffer.phy_info[0].identify.handle_parent;
3913 }
3914 mptsas_expander_refresh(ioc, port_info);
3915 kfree(buffer.phy_info);
3916 continue;
3917 }
3918
3919 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
3920 if (!port_info) {
3921 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3922 "%s: exit at line=%d\n", ioc->name,
3923 __func__, __LINE__));
3924 return;
3925 }
3926 port_info->num_phys = buffer.num_phys;
3927 port_info->phy_info = buffer.phy_info;
3928 for (i = 0; i < port_info->num_phys; i++)
3929 port_info->phy_info[i].portinfo = port_info;
3930 mutex_lock(&ioc->sas_topology_mutex);
3931 list_add_tail(&port_info->list, &ioc->sas_topology);
3932 mutex_unlock(&ioc->sas_topology_mutex);
3933 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, "
3934 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3935 (unsigned long long)buffer.phy_info[0].identify.sas_address);
3936 mptsas_expander_refresh(ioc, port_info);
3937 }
3938}
3939
3940static void
3941mptsas_probe_devices(MPT_ADAPTER *ioc)
3942{
3943 u16 handle;
3944 struct mptsas_devinfo sas_device;
3945 struct mptsas_phyinfo *phy_info;
3946
3947 handle = 0xFFFF;
3948 while (!(mptsas_sas_device_pg0(ioc, &sas_device,
3949 MPI_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
3950
3951 handle = sas_device.handle;
3952
3953 if ((sas_device.device_info &
3954 (MPI_SAS_DEVICE_INFO_SSP_TARGET |
3955 MPI_SAS_DEVICE_INFO_STP_TARGET |
3956 MPI_SAS_DEVICE_INFO_SATA_DEVICE)) == 0)
3957 continue;
3958
3959 /* If there is no FW B_T mapping for this device then continue
3960 * */
3961 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
3962 || !(sas_device.flags &
3963 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
3964 continue;
3965
3966 phy_info = mptsas_refreshing_device_handles(ioc, &sas_device);
3967 if (!phy_info)
3968 continue;
3969
3970 if (mptsas_get_rphy(phy_info))
3971 continue;
3972
3973 mptsas_add_end_device(ioc, phy_info);
3974 }
3975}
3976
3977/**
3978 * mptsas_scan_sas_topology -
3979 * @ioc: Pointer to MPT_ADAPTER structure
3980 * @sas_address:
3981 *
3982 **/
3983static void
3984mptsas_scan_sas_topology(MPT_ADAPTER *ioc)
3985{
3986 struct scsi_device *sdev;
3987 int i;
3988
3989 mptsas_probe_hba_phys(ioc);
3990 mptsas_probe_expanders(ioc);
3991 mptsas_probe_devices(ioc);
3992
3993 /*
3994 Reporting RAID volumes.
3995 */
3996 if (!ioc->ir_firmware || !ioc->raid_data.pIocPg2 ||
3997 !ioc->raid_data.pIocPg2->NumActiveVolumes)
3998 return;
3999 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
4000 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL,
4001 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID, 0);
4002 if (sdev) {
4003 scsi_device_put(sdev);
4004 continue;
4005 }
4006 printk(MYIOC_s_INFO_FMT "attaching raid volume, channel %d, "
4007 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL,
4008 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID);
4009 scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL,
4010 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID, 0);
4011 }
4012}
4013
4014
4015static void
4016mptsas_handle_queue_full_event(struct fw_event_work *fw_event)
4017{
4018 MPT_ADAPTER *ioc;
4019 EventDataQueueFull_t *qfull_data;
4020 struct mptsas_device_info *sas_info;
4021 struct scsi_device *sdev;
4022 int depth;
4023 int id = -1;
4024 int channel = -1;
4025 int fw_id, fw_channel;
4026 u16 current_depth;
4027
4028
4029 ioc = fw_event->ioc;
4030 qfull_data = (EventDataQueueFull_t *)fw_event->event_data;
4031 fw_id = qfull_data->TargetID;
4032 fw_channel = qfull_data->Bus;
4033 current_depth = le16_to_cpu(qfull_data->CurrentDepth);
4034
4035 /* if hidden raid component, look for the volume id */
4036 mutex_lock(&ioc->sas_device_info_mutex);
4037 if (mptscsih_is_phys_disk(ioc, fw_channel, fw_id)) {
4038 list_for_each_entry(sas_info, &ioc->sas_device_info_list,
4039 list) {
4040 if (sas_info->is_cached ||
4041 sas_info->is_logical_volume)
4042 continue;
4043 if (sas_info->is_hidden_raid_component &&
4044 (sas_info->fw.channel == fw_channel &&
4045 sas_info->fw.id == fw_id)) {
4046 id = sas_info->volume_id;
4047 channel = MPTSAS_RAID_CHANNEL;
4048 goto out;
4049 }
4050 }
4051 } else {
4052 list_for_each_entry(sas_info, &ioc->sas_device_info_list,
4053 list) {
4054 if (sas_info->is_cached ||
4055 sas_info->is_hidden_raid_component ||
4056 sas_info->is_logical_volume)
4057 continue;
4058 if (sas_info->fw.channel == fw_channel &&
4059 sas_info->fw.id == fw_id) {
4060 id = sas_info->os.id;
4061 channel = sas_info->os.channel;
4062 goto out;
4063 }
4064 }
4065
4066 }
4067
4068 out:
4069 mutex_unlock(&ioc->sas_device_info_mutex);
4070
4071 if (id != -1) {
4072 shost_for_each_device(sdev, ioc->sh) {
4073 if (sdev->id == id && sdev->channel == channel) {
4074 if (current_depth > sdev->queue_depth) {
4075 sdev_printk(KERN_INFO, sdev,
4076 "strange observation, the queue "
4077 "depth is (%d) meanwhile fw queue "
4078 "depth (%d)\n", sdev->queue_depth,
4079 current_depth);
4080 continue;
4081 }
4082 depth = scsi_track_queue_full(sdev,
4083 current_depth - 1);
4084 if (depth > 0)
4085 sdev_printk(KERN_INFO, sdev,
4086 "Queue depth reduced to (%d)\n",
4087 depth);
4088 else if (depth < 0)
4089 sdev_printk(KERN_INFO, sdev,
4090 "Tagged Command Queueing is being "
4091 "disabled\n");
4092 else if (depth == 0)
4093 sdev_printk(KERN_INFO, sdev,
4094 "Queue depth not changed yet\n");
4095 }
4096 }
4097 }
4098
4099 mptsas_free_fw_event(ioc, fw_event);
4100}
4101
4102
4103static struct mptsas_phyinfo *
4104mptsas_find_phyinfo_by_sas_address(MPT_ADAPTER *ioc, u64 sas_address)
4105{
4106 struct mptsas_portinfo *port_info;
4107 struct mptsas_phyinfo *phy_info = NULL;
4108 int i;
4109
4110 mutex_lock(&ioc->sas_topology_mutex);
4111 list_for_each_entry(port_info, &ioc->sas_topology, list) {
4112 for (i = 0; i < port_info->num_phys; i++) {
4113 if (!mptsas_is_end_device(
4114 &port_info->phy_info[i].attached))
4115 continue;
4116 if (port_info->phy_info[i].attached.sas_address
4117 != sas_address)
4118 continue;
4119 phy_info = &port_info->phy_info[i];
4120 break;
4121 }
4122 }
4123 mutex_unlock(&ioc->sas_topology_mutex);
4124 return phy_info;
4125}
4126
4127/**
4128 * mptsas_find_phyinfo_by_phys_disk_num -
4129 * @ioc: Pointer to MPT_ADAPTER structure
4130 * @phys_disk_num:
4131 * @channel:
4132 * @id:
4133 *
4134 **/
4135static struct mptsas_phyinfo *
4136mptsas_find_phyinfo_by_phys_disk_num(MPT_ADAPTER *ioc, u8 phys_disk_num,
4137 u8 channel, u8 id)
4138{
4139 struct mptsas_phyinfo *phy_info = NULL;
4140 struct mptsas_portinfo *port_info;
4141 RaidPhysDiskPage1_t *phys_disk = NULL;
4142 int num_paths;
4143 u64 sas_address = 0;
4144 int i;
4145
4146 phy_info = NULL;
4147 if (!ioc->raid_data.pIocPg3)
4148 return NULL;
4149 /* dual port support */
4150 num_paths = mpt_raid_phys_disk_get_num_paths(ioc, phys_disk_num);
4151 if (!num_paths)
4152 goto out;
4153 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
4154 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
4155 if (!phys_disk)
4156 goto out;
4157 mpt_raid_phys_disk_pg1(ioc, phys_disk_num, phys_disk);
4158 for (i = 0; i < num_paths; i++) {
4159 if ((phys_disk->Path[i].Flags & 1) != 0)
4160 /* entry no longer valid */
4161 continue;
4162 if ((id == phys_disk->Path[i].PhysDiskID) &&
4163 (channel == phys_disk->Path[i].PhysDiskBus)) {
4164 memcpy(&sas_address, &phys_disk->Path[i].WWID,
4165 sizeof(u64));
4166 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4167 sas_address);
4168 goto out;
4169 }
4170 }
4171
4172 out:
4173 kfree(phys_disk);
4174 if (phy_info)
4175 return phy_info;
4176
4177 /*
4178 * Extra code to handle RAID0 case, where the sas_address is not updated
4179 * in phys_disk_page_1 when hotswapped
4180 */
4181 mutex_lock(&ioc->sas_topology_mutex);
4182 list_for_each_entry(port_info, &ioc->sas_topology, list) {
4183 for (i = 0; i < port_info->num_phys && !phy_info; i++) {
4184 if (!mptsas_is_end_device(
4185 &port_info->phy_info[i].attached))
4186 continue;
4187 if (port_info->phy_info[i].attached.phys_disk_num == ~0)
4188 continue;
4189 if ((port_info->phy_info[i].attached.phys_disk_num ==
4190 phys_disk_num) &&
4191 (port_info->phy_info[i].attached.id == id) &&
4192 (port_info->phy_info[i].attached.channel ==
4193 channel))
4194 phy_info = &port_info->phy_info[i];
4195 }
4196 }
4197 mutex_unlock(&ioc->sas_topology_mutex);
4198 return phy_info;
4199}
4200
4201static void
4202mptsas_reprobe_lun(struct scsi_device *sdev, void *data)
4203{
4204 int rc;
4205
4206 sdev->no_uld_attach = data ? 1 : 0;
4207 rc = scsi_device_reprobe(sdev);
4208}
4209
4210static void
4211mptsas_reprobe_target(struct scsi_target *starget, int uld_attach)
4212{
4213 starget_for_each_device(starget, uld_attach ? (void *)1 : NULL,
4214 mptsas_reprobe_lun);
4215}
4216
4217static void
4218mptsas_adding_inactive_raid_components(MPT_ADAPTER *ioc, u8 channel, u8 id)
4219{
4220 CONFIGPARMS cfg;
4221 ConfigPageHeader_t hdr;
4222 dma_addr_t dma_handle;
4223 pRaidVolumePage0_t buffer = NULL;
4224 RaidPhysDiskPage0_t phys_disk;
4225 int i;
4226 struct mptsas_phyinfo *phy_info;
4227 struct mptsas_devinfo sas_device;
4228
4229 memset(&cfg, 0 , sizeof(CONFIGPARMS));
4230 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
4231 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME;
4232 cfg.pageAddr = (channel << 8) + id;
4233 cfg.cfghdr.hdr = &hdr;
4234 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
4235 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
4236
4237 if (mpt_config(ioc, &cfg) != 0)
4238 goto out;
4239
4240 if (!hdr.PageLength)
4241 goto out;
4242
4243 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
4244 &dma_handle);
4245
4246 if (!buffer)
4247 goto out;
4248
4249 cfg.physAddr = dma_handle;
4250 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
4251
4252 if (mpt_config(ioc, &cfg) != 0)
4253 goto out;
4254
4255 if (!(buffer->VolumeStatus.Flags &
4256 MPI_RAIDVOL0_STATUS_FLAG_VOLUME_INACTIVE))
4257 goto out;
4258
4259 if (!buffer->NumPhysDisks)
4260 goto out;
4261
4262 for (i = 0; i < buffer->NumPhysDisks; i++) {
4263
4264 if (mpt_raid_phys_disk_pg0(ioc,
4265 buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0)
4266 continue;
4267
4268 if (mptsas_sas_device_pg0(ioc, &sas_device,
4269 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4270 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4271 (phys_disk.PhysDiskBus << 8) +
4272 phys_disk.PhysDiskID))
4273 continue;
4274
4275 /* If there is no FW B_T mapping for this device then continue
4276 * */
4277 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4278 || !(sas_device.flags &
4279 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4280 continue;
4281
4282
4283 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4284 sas_device.sas_address);
4285 mptsas_add_end_device(ioc, phy_info);
4286 }
4287
4288 out:
4289 if (buffer)
4290 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
4291 dma_handle);
4292}
4293/*
4294 * Work queue thread to handle SAS hotplug events
4295 */
4296static void
4297mptsas_hotplug_work(MPT_ADAPTER *ioc, struct fw_event_work *fw_event,
4298 struct mptsas_hotplug_event *hot_plug_info)
4299{
4300 struct mptsas_phyinfo *phy_info;
4301 struct scsi_target * starget;
4302 struct mptsas_devinfo sas_device;
4303 VirtTarget *vtarget;
4304 int i;
4305 struct mptsas_portinfo *port_info;
4306
4307 switch (hot_plug_info->event_type) {
4308
4309 case MPTSAS_ADD_PHYSDISK:
4310
4311 if (!ioc->raid_data.pIocPg2)
4312 break;
4313
4314 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
4315 if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID ==
4316 hot_plug_info->id) {
4317 printk(MYIOC_s_WARN_FMT "firmware bug: unable "
4318 "to add hidden disk - target_id matchs "
4319 "volume_id\n", ioc->name);
4320 mptsas_free_fw_event(ioc, fw_event);
4321 return;
4322 }
4323 }
4324 mpt_findImVolumes(ioc);
4325
4326 case MPTSAS_ADD_DEVICE:
4327 memset(&sas_device, 0, sizeof(struct mptsas_devinfo));
4328 mptsas_sas_device_pg0(ioc, &sas_device,
4329 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4330 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4331 (hot_plug_info->channel << 8) +
4332 hot_plug_info->id);
4333
4334 /* If there is no FW B_T mapping for this device then break
4335 * */
4336 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4337 || !(sas_device.flags &
4338 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4339 break;
4340
4341 if (!sas_device.handle)
4342 return;
4343
4344 phy_info = mptsas_refreshing_device_handles(ioc, &sas_device);
4345 /* Only For SATA Device ADD */
4346 if (!phy_info && (sas_device.device_info &
4347 MPI_SAS_DEVICE_INFO_SATA_DEVICE)) {
4348 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4349 "%s %d SATA HOT PLUG: "
4350 "parent handle of device %x\n", ioc->name,
4351 __func__, __LINE__, sas_device.handle_parent));
4352 port_info = mptsas_find_portinfo_by_handle(ioc,
4353 sas_device.handle_parent);
4354
4355 if (port_info == ioc->hba_port_info)
4356 mptsas_probe_hba_phys(ioc);
4357 else if (port_info)
4358 mptsas_expander_refresh(ioc, port_info);
4359 else {
4360 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4361 "%s %d port info is NULL\n",
4362 ioc->name, __func__, __LINE__));
4363 break;
4364 }
4365 phy_info = mptsas_refreshing_device_handles
4366 (ioc, &sas_device);
4367 }
4368
4369 if (!phy_info) {
4370 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4371 "%s %d phy info is NULL\n",
4372 ioc->name, __func__, __LINE__));
4373 break;
4374 }
4375
4376 if (mptsas_get_rphy(phy_info))
4377 break;
4378
4379 mptsas_add_end_device(ioc, phy_info);
4380 break;
4381
4382 case MPTSAS_DEL_DEVICE:
4383 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4384 hot_plug_info->sas_address);
4385 mptsas_del_end_device(ioc, phy_info);
4386 break;
4387
4388 case MPTSAS_DEL_PHYSDISK:
4389
4390 mpt_findImVolumes(ioc);
4391
4392 phy_info = mptsas_find_phyinfo_by_phys_disk_num(
4393 ioc, hot_plug_info->phys_disk_num,
4394 hot_plug_info->channel,
4395 hot_plug_info->id);
4396 mptsas_del_end_device(ioc, phy_info);
4397 break;
4398
4399 case MPTSAS_ADD_PHYSDISK_REPROBE:
4400
4401 if (mptsas_sas_device_pg0(ioc, &sas_device,
4402 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4403 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4404 (hot_plug_info->channel << 8) + hot_plug_info->id)) {
4405 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4406 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4407 __func__, hot_plug_info->id, __LINE__));
4408 break;
4409 }
4410
4411 /* If there is no FW B_T mapping for this device then break
4412 * */
4413 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4414 || !(sas_device.flags &
4415 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4416 break;
4417
4418 phy_info = mptsas_find_phyinfo_by_sas_address(
4419 ioc, sas_device.sas_address);
4420
4421 if (!phy_info) {
4422 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4423 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4424 __func__, hot_plug_info->id, __LINE__));
4425 break;
4426 }
4427
4428 starget = mptsas_get_starget(phy_info);
4429 if (!starget) {
4430 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4431 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4432 __func__, hot_plug_info->id, __LINE__));
4433 break;
4434 }
4435
4436 vtarget = starget->hostdata;
4437 if (!vtarget) {
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 mpt_findImVolumes(ioc);
4445
4446 starget_printk(KERN_INFO, starget, MYIOC_s_FMT "RAID Hidding: "
4447 "fw_channel=%d, fw_id=%d, physdsk %d, sas_addr 0x%llx\n",
4448 ioc->name, hot_plug_info->channel, hot_plug_info->id,
4449 hot_plug_info->phys_disk_num, (unsigned long long)
4450 sas_device.sas_address);
4451
4452 vtarget->id = hot_plug_info->phys_disk_num;
4453 vtarget->tflags |= MPT_TARGET_FLAGS_RAID_COMPONENT;
4454 phy_info->attached.phys_disk_num = hot_plug_info->phys_disk_num;
4455 mptsas_reprobe_target(starget, 1);
4456 break;
4457
4458 case MPTSAS_DEL_PHYSDISK_REPROBE:
4459
4460 if (mptsas_sas_device_pg0(ioc, &sas_device,
4461 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4462 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4463 (hot_plug_info->channel << 8) + hot_plug_info->id)) {
4464 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4465 "%s: fw_id=%d exit at line=%d\n",
4466 ioc->name, __func__,
4467 hot_plug_info->id, __LINE__));
4468 break;
4469 }
4470
4471 /* If there is no FW B_T mapping for this device then break
4472 * */
4473 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4474 || !(sas_device.flags &
4475 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4476 break;
4477
4478 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4479 sas_device.sas_address);
4480 if (!phy_info) {
4481 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4482 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4483 __func__, hot_plug_info->id, __LINE__));
4484 break;
4485 }
4486
4487 starget = mptsas_get_starget(phy_info);
4488 if (!starget) {
4489 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4490 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4491 __func__, hot_plug_info->id, __LINE__));
4492 break;
4493 }
4494
4495 vtarget = starget->hostdata;
4496 if (!vtarget) {
4497 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4498 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4499 __func__, hot_plug_info->id, __LINE__));
4500 break;
4501 }
4502
4503 if (!(vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)) {
4504 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4505 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4506 __func__, hot_plug_info->id, __LINE__));
4507 break;
4508 }
4509
4510 mpt_findImVolumes(ioc);
4511
4512 starget_printk(KERN_INFO, starget, MYIOC_s_FMT "RAID Exposing:"
4513 " fw_channel=%d, fw_id=%d, physdsk %d, sas_addr 0x%llx\n",
4514 ioc->name, hot_plug_info->channel, hot_plug_info->id,
4515 hot_plug_info->phys_disk_num, (unsigned long long)
4516 sas_device.sas_address);
4517
4518 vtarget->tflags &= ~MPT_TARGET_FLAGS_RAID_COMPONENT;
4519 vtarget->id = hot_plug_info->id;
4520 phy_info->attached.phys_disk_num = ~0;
4521 mptsas_reprobe_target(starget, 0);
4522 mptsas_add_device_component_by_fw(ioc,
4523 hot_plug_info->channel, hot_plug_info->id);
4524 break;
4525
4526 case MPTSAS_ADD_RAID:
4527
4528 mpt_findImVolumes(ioc);
4529 printk(MYIOC_s_INFO_FMT "attaching raid volume, channel %d, "
4530 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL,
4531 hot_plug_info->id);
4532 scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL,
4533 hot_plug_info->id, 0);
4534 break;
4535
4536 case MPTSAS_DEL_RAID:
4537
4538 mpt_findImVolumes(ioc);
4539 printk(MYIOC_s_INFO_FMT "removing raid volume, channel %d, "
4540 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL,
4541 hot_plug_info->id);
4542 scsi_remove_device(hot_plug_info->sdev);
4543 scsi_device_put(hot_plug_info->sdev);
4544 break;
4545
4546 case MPTSAS_ADD_INACTIVE_VOLUME:
4547
4548 mpt_findImVolumes(ioc);
4549 mptsas_adding_inactive_raid_components(ioc,
4550 hot_plug_info->channel, hot_plug_info->id);
4551 break;
4552
4553 default:
4554 break;
4555 }
4556
4557 mptsas_free_fw_event(ioc, fw_event);
4558}
4559
4560static void
4561mptsas_send_sas_event(struct fw_event_work *fw_event)
4562{
4563 MPT_ADAPTER *ioc;
4564 struct mptsas_hotplug_event hot_plug_info;
4565 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data;
4566 u32 device_info;
4567 u64 sas_address;
4568
4569 ioc = fw_event->ioc;
4570 sas_event_data = (EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *)
4571 fw_event->event_data;
4572 device_info = le32_to_cpu(sas_event_data->DeviceInfo);
4573
4574 if ((device_info &
4575 (MPI_SAS_DEVICE_INFO_SSP_TARGET |
4576 MPI_SAS_DEVICE_INFO_STP_TARGET |
4577 MPI_SAS_DEVICE_INFO_SATA_DEVICE)) == 0) {
4578 mptsas_free_fw_event(ioc, fw_event);
4579 return;
4580 }
4581
4582 if (sas_event_data->ReasonCode ==
4583 MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED) {
4584 mptbase_sas_persist_operation(ioc,
4585 MPI_SAS_OP_CLEAR_NOT_PRESENT);
4586 mptsas_free_fw_event(ioc, fw_event);
4587 return;
4588 }
4589
4590 switch (sas_event_data->ReasonCode) {
4591 case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING:
4592 case MPI_EVENT_SAS_DEV_STAT_RC_ADDED:
4593 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
4594 hot_plug_info.handle = le16_to_cpu(sas_event_data->DevHandle);
4595 hot_plug_info.channel = sas_event_data->Bus;
4596 hot_plug_info.id = sas_event_data->TargetID;
4597 hot_plug_info.phy_id = sas_event_data->PhyNum;
4598 memcpy(&sas_address, &sas_event_data->SASAddress,
4599 sizeof(u64));
4600 hot_plug_info.sas_address = le64_to_cpu(sas_address);
4601 hot_plug_info.device_info = device_info;
4602 if (sas_event_data->ReasonCode &
4603 MPI_EVENT_SAS_DEV_STAT_RC_ADDED)
4604 hot_plug_info.event_type = MPTSAS_ADD_DEVICE;
4605 else
4606 hot_plug_info.event_type = MPTSAS_DEL_DEVICE;
4607 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
4608 break;
4609
4610 case MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED:
4611 mptbase_sas_persist_operation(ioc,
4612 MPI_SAS_OP_CLEAR_NOT_PRESENT);
4613 mptsas_free_fw_event(ioc, fw_event);
4614 break;
4615
4616 case MPI_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
4617 /* TODO */
4618 case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
4619 /* TODO */
4620 default:
4621 mptsas_free_fw_event(ioc, fw_event);
4622 break;
4623 }
4624}
4625
4626static void
4627mptsas_send_raid_event(struct fw_event_work *fw_event)
4628{
4629 MPT_ADAPTER *ioc;
4630 EVENT_DATA_RAID *raid_event_data;
4631 struct mptsas_hotplug_event hot_plug_info;
4632 int status;
4633 int state;
4634 struct scsi_device *sdev = NULL;
4635 VirtDevice *vdevice = NULL;
4636 RaidPhysDiskPage0_t phys_disk;
4637
4638 ioc = fw_event->ioc;
4639 raid_event_data = (EVENT_DATA_RAID *)fw_event->event_data;
4640 status = le32_to_cpu(raid_event_data->SettingsStatus);
4641 state = (status >> 8) & 0xff;
4642
4643 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
4644 hot_plug_info.id = raid_event_data->VolumeID;
4645 hot_plug_info.channel = raid_event_data->VolumeBus;
4646 hot_plug_info.phys_disk_num = raid_event_data->PhysDiskNum;
4647
4648 if (raid_event_data->ReasonCode == MPI_EVENT_RAID_RC_VOLUME_DELETED ||
4649 raid_event_data->ReasonCode == MPI_EVENT_RAID_RC_VOLUME_CREATED ||
4650 raid_event_data->ReasonCode ==
4651 MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED) {
4652 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL,
4653 hot_plug_info.id, 0);
4654 hot_plug_info.sdev = sdev;
4655 if (sdev)
4656 vdevice = sdev->hostdata;
4657 }
4658
4659 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Entering %s: "
4660 "ReasonCode=%02x\n", ioc->name, __func__,
4661 raid_event_data->ReasonCode));
4662
4663 switch (raid_event_data->ReasonCode) {
4664 case MPI_EVENT_RAID_RC_PHYSDISK_DELETED:
4665 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK_REPROBE;
4666 break;
4667 case MPI_EVENT_RAID_RC_PHYSDISK_CREATED:
4668 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK_REPROBE;
4669 break;
4670 case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED:
4671 switch (state) {
4672 case MPI_PD_STATE_ONLINE:
4673 case MPI_PD_STATE_NOT_COMPATIBLE:
4674 mpt_raid_phys_disk_pg0(ioc,
4675 raid_event_data->PhysDiskNum, &phys_disk);
4676 hot_plug_info.id = phys_disk.PhysDiskID;
4677 hot_plug_info.channel = phys_disk.PhysDiskBus;
4678 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK;
4679 break;
4680 case MPI_PD_STATE_FAILED:
4681 case MPI_PD_STATE_MISSING:
4682 case MPI_PD_STATE_OFFLINE_AT_HOST_REQUEST:
4683 case MPI_PD_STATE_FAILED_AT_HOST_REQUEST:
4684 case MPI_PD_STATE_OFFLINE_FOR_ANOTHER_REASON:
4685 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK;
4686 break;
4687 default:
4688 break;
4689 }
4690 break;
4691 case MPI_EVENT_RAID_RC_VOLUME_DELETED:
4692 if (!sdev)
4693 break;
4694 vdevice->vtarget->deleted = 1; /* block IO */
4695 hot_plug_info.event_type = MPTSAS_DEL_RAID;
4696 break;
4697 case MPI_EVENT_RAID_RC_VOLUME_CREATED:
4698 if (sdev) {
4699 scsi_device_put(sdev);
4700 break;
4701 }
4702 hot_plug_info.event_type = MPTSAS_ADD_RAID;
4703 break;
4704 case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED:
4705 if (!(status & MPI_RAIDVOL0_STATUS_FLAG_ENABLED)) {
4706 if (!sdev)
4707 break;
4708 vdevice->vtarget->deleted = 1; /* block IO */
4709 hot_plug_info.event_type = MPTSAS_DEL_RAID;
4710 break;
4711 }
4712 switch (state) {
4713 case MPI_RAIDVOL0_STATUS_STATE_FAILED:
4714 case MPI_RAIDVOL0_STATUS_STATE_MISSING:
4715 if (!sdev)
4716 break;
4717 vdevice->vtarget->deleted = 1; /* block IO */
4718 hot_plug_info.event_type = MPTSAS_DEL_RAID;
4719 break;
4720 case MPI_RAIDVOL0_STATUS_STATE_OPTIMAL:
4721 case MPI_RAIDVOL0_STATUS_STATE_DEGRADED:
4722 if (sdev) {
4723 scsi_device_put(sdev);
4724 break;
4725 }
4726 hot_plug_info.event_type = MPTSAS_ADD_RAID;
4727 break;
4728 default:
4729 break;
4730 }
4731 break;
4732 default:
4733 break;
4734 }
4735
4736 if (hot_plug_info.event_type != MPTSAS_IGNORE_EVENT)
4737 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
4738 else
4739 mptsas_free_fw_event(ioc, fw_event);
4740}
4741
4742/**
4743 * mptsas_issue_tm - send mptsas internal tm request
4744 * @ioc: Pointer to MPT_ADAPTER structure
4745 * @type: Task Management type
4746 * @channel: channel number for task management
4747 * @id: Logical Target ID for reset (if appropriate)
4748 * @lun: Logical unit for reset (if appropriate)
4749 * @task_context: Context for the task to be aborted
4750 * @timeout: timeout for task management control
4751 *
4752 * return 0 on success and -1 on failure:
4753 *
4754 */
4755static int
4756mptsas_issue_tm(MPT_ADAPTER *ioc, u8 type, u8 channel, u8 id, u64 lun,
4757 int task_context, ulong timeout, u8 *issue_reset)
4758{
4759 MPT_FRAME_HDR *mf;
4760 SCSITaskMgmt_t *pScsiTm;
4761 int retval;
4762 unsigned long timeleft;
4763
4764 *issue_reset = 0;
4765 mf = mpt_get_msg_frame(mptsasDeviceResetCtx, ioc);
4766 if (mf == NULL) {
4767 retval = -1; /* return failure */
4768 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT "TaskMgmt request: no "
4769 "msg frames!!\n", ioc->name));
4770 goto out;
4771 }
4772
4773 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request: mr = %p, "
4774 "task_type = 0x%02X,\n\t timeout = %ld, fw_channel = %d, "
4775 "fw_id = %d, lun = %lld,\n\t task_context = 0x%x\n", ioc->name, mf,
4776 type, timeout, channel, id, (unsigned long long)lun,
4777 task_context));
4778
4779 pScsiTm = (SCSITaskMgmt_t *) mf;
4780 memset(pScsiTm, 0, sizeof(SCSITaskMgmt_t));
4781 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
4782 pScsiTm->TaskType = type;
4783 pScsiTm->MsgFlags = 0;
4784 pScsiTm->TargetID = id;
4785 pScsiTm->Bus = channel;
4786 pScsiTm->ChainOffset = 0;
4787 pScsiTm->Reserved = 0;
4788 pScsiTm->Reserved1 = 0;
4789 pScsiTm->TaskMsgContext = task_context;
4790 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
4791
4792 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
4793 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
4794 retval = 0;
4795 mpt_put_msg_frame_hi_pri(mptsasDeviceResetCtx, ioc, mf);
4796
4797 /* Now wait for the command to complete */
4798 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
4799 timeout*HZ);
4800 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
4801 retval = -1; /* return failure */
4802 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
4803 "TaskMgmt request: TIMED OUT!(mr=%p)\n", ioc->name, mf));
4804 mpt_free_msg_frame(ioc, mf);
4805 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
4806 goto out;
4807 *issue_reset = 1;
4808 goto out;
4809 }
4810
4811 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
4812 retval = -1; /* return failure */
4813 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4814 "TaskMgmt request: failed with no reply\n", ioc->name));
4815 goto out;
4816 }
4817
4818 out:
4819 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
4820 return retval;
4821}
4822
4823/**
4824 * mptsas_broadcast_primative_work - Handle broadcast primitives
4825 * @work: work queue payload containing info describing the event
4826 *
4827 * this will be handled in workqueue context.
4828 */
4829static void
4830mptsas_broadcast_primative_work(struct fw_event_work *fw_event)
4831{
4832 MPT_ADAPTER *ioc = fw_event->ioc;
4833 MPT_FRAME_HDR *mf;
4834 VirtDevice *vdevice;
4835 int ii;
4836 struct scsi_cmnd *sc;
4837 SCSITaskMgmtReply_t *pScsiTmReply;
4838 u8 issue_reset;
4839 int task_context;
4840 u8 channel, id;
4841 int lun;
4842 u32 termination_count;
4843 u32 query_count;
4844
4845 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4846 "%s - enter\n", ioc->name, __func__));
4847
4848 mutex_lock(&ioc->taskmgmt_cmds.mutex);
4849 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
4850 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
4851 mptsas_requeue_fw_event(ioc, fw_event, 1000);
4852 return;
4853 }
4854
4855 issue_reset = 0;
4856 termination_count = 0;
4857 query_count = 0;
4858 mpt_findImVolumes(ioc);
4859 pScsiTmReply = (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply;
4860
4861 for (ii = 0; ii < ioc->req_depth; ii++) {
4862 if (ioc->fw_events_off)
4863 goto out;
4864 sc = mptscsih_get_scsi_lookup(ioc, ii);
4865 if (!sc)
4866 continue;
4867 mf = MPT_INDEX_2_MFPTR(ioc, ii);
4868 if (!mf)
4869 continue;
4870 task_context = mf->u.frame.hwhdr.msgctxu.MsgContext;
4871 vdevice = sc->device->hostdata;
4872 if (!vdevice || !vdevice->vtarget)
4873 continue;
4874 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
4875 continue; /* skip hidden raid components */
4876 if (vdevice->vtarget->raidVolume)
4877 continue; /* skip hidden raid components */
4878 channel = vdevice->vtarget->channel;
4879 id = vdevice->vtarget->id;
4880 lun = vdevice->lun;
4881 if (mptsas_issue_tm(ioc, MPI_SCSITASKMGMT_TASKTYPE_QUERY_TASK,
4882 channel, id, (u64)lun, task_context, 30, &issue_reset))
4883 goto out;
4884 query_count++;
4885 termination_count +=
4886 le32_to_cpu(pScsiTmReply->TerminationCount);
4887 if ((pScsiTmReply->IOCStatus == MPI_IOCSTATUS_SUCCESS) &&
4888 (pScsiTmReply->ResponseCode ==
4889 MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED ||
4890 pScsiTmReply->ResponseCode ==
4891 MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC))
4892 continue;
4893 if (mptsas_issue_tm(ioc,
4894 MPI_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET,
4895 channel, id, (u64)lun, 0, 30, &issue_reset))
4896 goto out;
4897 termination_count +=
4898 le32_to_cpu(pScsiTmReply->TerminationCount);
4899 }
4900
4901 out:
4902 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4903 "%s - exit, query_count = %d termination_count = %d\n",
4904 ioc->name, __func__, query_count, termination_count));
4905
4906 ioc->broadcast_aen_busy = 0;
4907 mpt_clear_taskmgmt_in_progress_flag(ioc);
4908 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
4909
4910 if (issue_reset) {
4911 printk(MYIOC_s_WARN_FMT
4912 "Issuing Reset from %s!! doorbell=0x%08x\n",
4913 ioc->name, __func__, mpt_GetIocState(ioc, 0));
4914 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
4915 }
4916 mptsas_free_fw_event(ioc, fw_event);
4917}
4918
4919/*
4920 * mptsas_send_ir2_event - handle exposing hidden disk when
4921 * an inactive raid volume is added
4922 *
4923 * @ioc: Pointer to MPT_ADAPTER structure
4924 * @ir2_data
4925 *
4926 */
4927static void
4928mptsas_send_ir2_event(struct fw_event_work *fw_event)
4929{
4930 MPT_ADAPTER *ioc;
4931 struct mptsas_hotplug_event hot_plug_info;
4932 MPI_EVENT_DATA_IR2 *ir2_data;
4933 u8 reasonCode;
4934 RaidPhysDiskPage0_t phys_disk;
4935
4936 ioc = fw_event->ioc;
4937 ir2_data = (MPI_EVENT_DATA_IR2 *)fw_event->event_data;
4938 reasonCode = ir2_data->ReasonCode;
4939
4940 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Entering %s: "
4941 "ReasonCode=%02x\n", ioc->name, __func__, reasonCode));
4942
4943 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
4944 hot_plug_info.id = ir2_data->TargetID;
4945 hot_plug_info.channel = ir2_data->Bus;
4946 switch (reasonCode) {
4947 case MPI_EVENT_IR2_RC_FOREIGN_CFG_DETECTED:
4948 hot_plug_info.event_type = MPTSAS_ADD_INACTIVE_VOLUME;
4949 break;
4950 case MPI_EVENT_IR2_RC_DUAL_PORT_REMOVED:
4951 hot_plug_info.phys_disk_num = ir2_data->PhysDiskNum;
4952 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK;
4953 break;
4954 case MPI_EVENT_IR2_RC_DUAL_PORT_ADDED:
4955 hot_plug_info.phys_disk_num = ir2_data->PhysDiskNum;
4956 mpt_raid_phys_disk_pg0(ioc,
4957 ir2_data->PhysDiskNum, &phys_disk);
4958 hot_plug_info.id = phys_disk.PhysDiskID;
4959 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK;
4960 break;
4961 default:
4962 mptsas_free_fw_event(ioc, fw_event);
4963 return;
4964 }
4965 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
4966}
4967
4968static int
4969mptsas_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *reply)
4970{
4971 u32 event = le32_to_cpu(reply->Event);
4972 int sz, event_data_sz;
4973 struct fw_event_work *fw_event;
4974 unsigned long delay;
4975
4976 if (ioc->bus_type != SAS)
4977 return 0;
4978
4979 /* events turned off due to host reset or driver unloading */
4980 if (ioc->fw_events_off)
4981 return 0;
4982
4983 delay = msecs_to_jiffies(1);
4984 switch (event) {
4985 case MPI_EVENT_SAS_BROADCAST_PRIMITIVE:
4986 {
4987 EVENT_DATA_SAS_BROADCAST_PRIMITIVE *broadcast_event_data =
4988 (EVENT_DATA_SAS_BROADCAST_PRIMITIVE *)reply->Data;
4989 if (broadcast_event_data->Primitive !=
4990 MPI_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT)
4991 return 0;
4992 if (ioc->broadcast_aen_busy)
4993 return 0;
4994 ioc->broadcast_aen_busy = 1;
4995 break;
4996 }
4997 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
4998 {
4999 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data =
5000 (EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *)reply->Data;
5001 u16 ioc_stat;
5002 ioc_stat = le16_to_cpu(reply->IOCStatus);
5003
5004 if (sas_event_data->ReasonCode ==
5005 MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING) {
5006 mptsas_target_reset_queue(ioc, sas_event_data);
5007 return 0;
5008 }
5009 if (sas_event_data->ReasonCode ==
5010 MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET &&
5011 ioc->device_missing_delay &&
5012 (ioc_stat & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)) {
5013 VirtTarget *vtarget = NULL;
5014 u8 id, channel;
5015
5016 id = sas_event_data->TargetID;
5017 channel = sas_event_data->Bus;
5018
5019 vtarget = mptsas_find_vtarget(ioc, channel, id);
5020 if (vtarget) {
5021 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5022 "LogInfo (0x%x) available for "
5023 "INTERNAL_DEVICE_RESET"
5024 "fw_id %d fw_channel %d\n", ioc->name,
5025 le32_to_cpu(reply->IOCLogInfo),
5026 id, channel));
5027 if (vtarget->raidVolume) {
5028 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5029 "Skipping Raid Volume for inDMD\n",
5030 ioc->name));
5031 } else {
5032 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5033 "Setting device flag inDMD\n",
5034 ioc->name));
5035 vtarget->inDMD = 1;
5036 }
5037
5038 }
5039
5040 }
5041
5042 break;
5043 }
5044 case MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE:
5045 {
5046 MpiEventDataSasExpanderStatusChange_t *expander_data =
5047 (MpiEventDataSasExpanderStatusChange_t *)reply->Data;
5048
5049 if (ioc->old_sas_discovery_protocal)
5050 return 0;
5051
5052 if (expander_data->ReasonCode ==
5053 MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING &&
5054 ioc->device_missing_delay)
5055 delay = HZ * ioc->device_missing_delay;
5056 break;
5057 }
5058 case MPI_EVENT_SAS_DISCOVERY:
5059 {
5060 u32 discovery_status;
5061 EventDataSasDiscovery_t *discovery_data =
5062 (EventDataSasDiscovery_t *)reply->Data;
5063
5064 discovery_status = le32_to_cpu(discovery_data->DiscoveryStatus);
5065 ioc->sas_discovery_quiesce_io = discovery_status ? 1 : 0;
5066 if (ioc->old_sas_discovery_protocal && !discovery_status)
5067 mptsas_queue_rescan(ioc);
5068 return 0;
5069 }
5070 case MPI_EVENT_INTEGRATED_RAID:
5071 case MPI_EVENT_PERSISTENT_TABLE_FULL:
5072 case MPI_EVENT_IR2:
5073 case MPI_EVENT_SAS_PHY_LINK_STATUS:
5074 case MPI_EVENT_QUEUE_FULL:
5075 break;
5076 default:
5077 return 0;
5078 }
5079
5080 event_data_sz = ((reply->MsgLength * 4) -
5081 offsetof(EventNotificationReply_t, Data));
5082 sz = offsetof(struct fw_event_work, event_data) + event_data_sz;
5083 fw_event = kzalloc(sz, GFP_ATOMIC);
5084 if (!fw_event) {
5085 printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n", ioc->name,
5086 __func__, __LINE__);
5087 return 0;
5088 }
5089 memcpy(fw_event->event_data, reply->Data, event_data_sz);
5090 fw_event->event = event;
5091 fw_event->ioc = ioc;
5092 mptsas_add_fw_event(ioc, fw_event, delay);
5093 return 0;
5094}
5095
5096/* Delete a volume when no longer listed in ioc pg2
5097 */
5098static void mptsas_volume_delete(MPT_ADAPTER *ioc, u8 id)
5099{
5100 struct scsi_device *sdev;
5101 int i;
5102
5103 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL, id, 0);
5104 if (!sdev)
5105 return;
5106 if (!ioc->raid_data.pIocPg2)
5107 goto out;
5108 if (!ioc->raid_data.pIocPg2->NumActiveVolumes)
5109 goto out;
5110 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++)
5111 if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID == id)
5112 goto release_sdev;
5113 out:
5114 printk(MYIOC_s_INFO_FMT "removing raid volume, channel %d, "
5115 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL, id);
5116 scsi_remove_device(sdev);
5117 release_sdev:
5118 scsi_device_put(sdev);
5119}
5120
5121static int
5122mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
5123{
5124 struct Scsi_Host *sh;
5125 MPT_SCSI_HOST *hd;
5126 MPT_ADAPTER *ioc;
5127 unsigned long flags;
5128 int ii;
5129 int numSGE = 0;
5130 int scale;
5131 int ioc_cap;
5132 int error=0;
5133 int r;
5134
5135 r = mpt_attach(pdev,id);
5136 if (r)
5137 return r;
5138
5139 ioc = pci_get_drvdata(pdev);
5140 mptsas_fw_event_off(ioc);
5141 ioc->DoneCtx = mptsasDoneCtx;
5142 ioc->TaskCtx = mptsasTaskCtx;
5143 ioc->InternalCtx = mptsasInternalCtx;
5144 ioc->schedule_target_reset = &mptsas_schedule_target_reset;
5145 /* Added sanity check on readiness of the MPT adapter.
5146 */
5147 if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) {
5148 printk(MYIOC_s_WARN_FMT
5149 "Skipping because it's not operational!\n",
5150 ioc->name);
5151 error = -ENODEV;
5152 goto out_mptsas_probe;
5153 }
5154
5155 if (!ioc->active) {
5156 printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n",
5157 ioc->name);
5158 error = -ENODEV;
5159 goto out_mptsas_probe;
5160 }
5161
5162 /* Sanity check - ensure at least 1 port is INITIATOR capable
5163 */
5164 ioc_cap = 0;
5165 for (ii = 0; ii < ioc->facts.NumberOfPorts; ii++) {
5166 if (ioc->pfacts[ii].ProtocolFlags &
5167 MPI_PORTFACTS_PROTOCOL_INITIATOR)
5168 ioc_cap++;
5169 }
5170
5171 if (!ioc_cap) {
5172 printk(MYIOC_s_WARN_FMT
5173 "Skipping ioc=%p because SCSI Initiator mode "
5174 "is NOT enabled!\n", ioc->name, ioc);
5175 return 0;
5176 }
5177
5178 sh = scsi_host_alloc(&mptsas_driver_template, sizeof(MPT_SCSI_HOST));
5179 if (!sh) {
5180 printk(MYIOC_s_WARN_FMT
5181 "Unable to register controller with SCSI subsystem\n",
5182 ioc->name);
5183 error = -1;
5184 goto out_mptsas_probe;
5185 }
5186
5187 spin_lock_irqsave(&ioc->FreeQlock, flags);
5188
5189 /* Attach the SCSI Host to the IOC structure
5190 */
5191 ioc->sh = sh;
5192
5193 sh->io_port = 0;
5194 sh->n_io_port = 0;
5195 sh->irq = 0;
5196
5197 /* set 16 byte cdb's */
5198 sh->max_cmd_len = 16;
5199 sh->can_queue = min_t(int, ioc->req_depth - 10, sh->can_queue);
5200 sh->max_id = -1;
5201 sh->max_lun = max_lun;
5202 sh->transportt = mptsas_transport_template;
5203
5204 /* Required entry.
5205 */
5206 sh->unique_id = ioc->id;
5207
5208 INIT_LIST_HEAD(&ioc->sas_topology);
5209 mutex_init(&ioc->sas_topology_mutex);
5210 mutex_init(&ioc->sas_discovery_mutex);
5211 mutex_init(&ioc->sas_mgmt.mutex);
5212 init_completion(&ioc->sas_mgmt.done);
5213
5214 /* Verify that we won't exceed the maximum
5215 * number of chain buffers
5216 * We can optimize: ZZ = req_sz/sizeof(SGE)
5217 * For 32bit SGE's:
5218 * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ
5219 * + (req_sz - 64)/sizeof(SGE)
5220 * A slightly different algorithm is required for
5221 * 64bit SGEs.
5222 */
5223 scale = ioc->req_sz/ioc->SGE_size;
5224 if (ioc->sg_addr_size == sizeof(u64)) {
5225 numSGE = (scale - 1) *
5226 (ioc->facts.MaxChainDepth-1) + scale +
5227 (ioc->req_sz - 60) / ioc->SGE_size;
5228 } else {
5229 numSGE = 1 + (scale - 1) *
5230 (ioc->facts.MaxChainDepth-1) + scale +
5231 (ioc->req_sz - 64) / ioc->SGE_size;
5232 }
5233
5234 if (numSGE < sh->sg_tablesize) {
5235 /* Reset this value */
5236 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5237 "Resetting sg_tablesize to %d from %d\n",
5238 ioc->name, numSGE, sh->sg_tablesize));
5239 sh->sg_tablesize = numSGE;
5240 }
5241
5242 hd = shost_priv(sh);
5243 hd->ioc = ioc;
5244
5245 /* SCSI needs scsi_cmnd lookup table!
5246 * (with size equal to req_depth*PtrSz!)
5247 */
5248 ioc->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC);
5249 if (!ioc->ScsiLookup) {
5250 error = -ENOMEM;
5251 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
5252 goto out_mptsas_probe;
5253 }
5254 spin_lock_init(&ioc->scsi_lookup_lock);
5255
5256 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n",
5257 ioc->name, ioc->ScsiLookup));
5258
5259 ioc->sas_data.ptClear = mpt_pt_clear;
5260
5261 hd->last_queue_full = 0;
5262 INIT_LIST_HEAD(&hd->target_reset_list);
5263 INIT_LIST_HEAD(&ioc->sas_device_info_list);
5264 mutex_init(&ioc->sas_device_info_mutex);
5265
5266 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
5267
5268 if (ioc->sas_data.ptClear==1) {
5269 mptbase_sas_persist_operation(
5270 ioc, MPI_SAS_OP_CLEAR_ALL_PERSISTENT);
5271 }
5272
5273 error = scsi_add_host(sh, &ioc->pcidev->dev);
5274 if (error) {
5275 dprintk(ioc, printk(MYIOC_s_ERR_FMT
5276 "scsi_add_host failed\n", ioc->name));
5277 goto out_mptsas_probe;
5278 }
5279
5280 /* older firmware doesn't support expander events */
5281 if ((ioc->facts.HeaderVersion >> 8) < 0xE)
5282 ioc->old_sas_discovery_protocal = 1;
5283 mptsas_scan_sas_topology(ioc);
5284 mptsas_fw_event_on(ioc);
5285 return 0;
5286
5287 out_mptsas_probe:
5288
5289 mptscsih_remove(pdev);
5290 return error;
5291}
5292
5293void
5294mptsas_shutdown(struct pci_dev *pdev)
5295{
5296 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
5297
5298 mptsas_fw_event_off(ioc);
5299 mptsas_cleanup_fw_event_q(ioc);
5300}
5301
5302static void __devexit mptsas_remove(struct pci_dev *pdev)
5303{
5304 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
5305 struct mptsas_portinfo *p, *n;
5306 int i;
5307
5308 if (!ioc->sh) {
5309 printk(MYIOC_s_INFO_FMT "IOC is in Target mode\n", ioc->name);
5310 mpt_detach(pdev);
5311 return;
5312 }
5313
5314 mptsas_shutdown(pdev);
5315
5316 mptsas_del_device_components(ioc);
5317
5318 ioc->sas_discovery_ignore_events = 1;
5319 sas_remove_host(ioc->sh);
5320
5321 mutex_lock(&ioc->sas_topology_mutex);
5322 list_for_each_entry_safe(p, n, &ioc->sas_topology, list) {
5323 list_del(&p->list);
5324 for (i = 0 ; i < p->num_phys ; i++)
5325 mptsas_port_delete(ioc, p->phy_info[i].port_details);
5326
5327 kfree(p->phy_info);
5328 kfree(p);
5329 }
5330 mutex_unlock(&ioc->sas_topology_mutex);
5331 ioc->hba_port_info = NULL;
5332 mptscsih_remove(pdev);
5333}
5334
5335static struct pci_device_id mptsas_pci_table[] = {
5336 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1064,
5337 PCI_ANY_ID, PCI_ANY_ID },
5338 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068,
5339 PCI_ANY_ID, PCI_ANY_ID },
5340 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1064E,
5341 PCI_ANY_ID, PCI_ANY_ID },
5342 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068E,
5343 PCI_ANY_ID, PCI_ANY_ID },
5344 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1078,
5345 PCI_ANY_ID, PCI_ANY_ID },
5346 {0} /* Terminating entry */
5347};
5348MODULE_DEVICE_TABLE(pci, mptsas_pci_table);
5349
5350
5351static struct pci_driver mptsas_driver = {
5352 .name = "mptsas",
5353 .id_table = mptsas_pci_table,
5354 .probe = mptsas_probe,
5355 .remove = __devexit_p(mptsas_remove),
5356 .shutdown = mptsas_shutdown,
5357#ifdef CONFIG_PM
5358 .suspend = mptscsih_suspend,
5359 .resume = mptscsih_resume,
5360#endif
5361};
5362
5363static int __init
5364mptsas_init(void)
5365{
5366 int error;
5367
5368 show_mptmod_ver(my_NAME, my_VERSION);
5369
5370 mptsas_transport_template =
5371 sas_attach_transport(&mptsas_transport_functions);
5372 if (!mptsas_transport_template)
5373 return -ENODEV;
5374 mptsas_transport_template->eh_timed_out = mptsas_eh_timed_out;
5375
5376 mptsasDoneCtx = mpt_register(mptscsih_io_done, MPTSAS_DRIVER,
5377 "mptscsih_io_done");
5378 mptsasTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSAS_DRIVER,
5379 "mptscsih_taskmgmt_complete");
5380 mptsasInternalCtx =
5381 mpt_register(mptscsih_scandv_complete, MPTSAS_DRIVER,
5382 "mptscsih_scandv_complete");
5383 mptsasMgmtCtx = mpt_register(mptsas_mgmt_done, MPTSAS_DRIVER,
5384 "mptsas_mgmt_done");
5385 mptsasDeviceResetCtx =
5386 mpt_register(mptsas_taskmgmt_complete, MPTSAS_DRIVER,
5387 "mptsas_taskmgmt_complete");
5388
5389 mpt_event_register(mptsasDoneCtx, mptsas_event_process);
5390 mpt_reset_register(mptsasDoneCtx, mptsas_ioc_reset);
5391
5392 error = pci_register_driver(&mptsas_driver);
5393 if (error)
5394 sas_release_transport(mptsas_transport_template);
5395
5396 return error;
5397}
5398
5399static void __exit
5400mptsas_exit(void)
5401{
5402 pci_unregister_driver(&mptsas_driver);
5403 sas_release_transport(mptsas_transport_template);
5404
5405 mpt_reset_deregister(mptsasDoneCtx);
5406 mpt_event_deregister(mptsasDoneCtx);
5407
5408 mpt_deregister(mptsasMgmtCtx);
5409 mpt_deregister(mptsasInternalCtx);
5410 mpt_deregister(mptsasTaskCtx);
5411 mpt_deregister(mptsasDoneCtx);
5412 mpt_deregister(mptsasDeviceResetCtx);
5413}
5414
5415module_init(mptsas_init);
5416module_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 const 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 .dma_alignment = 511,
2024 .shost_groups = mptscsih_host_attr_groups,
2025 .no_write_same = 1,
2026};
2027
2028static int mptsas_get_linkerrors(struct sas_phy *phy)
2029{
2030 MPT_ADAPTER *ioc = phy_to_ioc(phy);
2031 ConfigExtendedPageHeader_t hdr;
2032 CONFIGPARMS cfg;
2033 SasPhyPage1_t *buffer;
2034 dma_addr_t dma_handle;
2035 int error;
2036
2037 /* FIXME: only have link errors on local phys */
2038 if (!scsi_is_sas_phy_local(phy))
2039 return -EINVAL;
2040
2041 hdr.PageVersion = MPI_SASPHY1_PAGEVERSION;
2042 hdr.ExtPageLength = 0;
2043 hdr.PageNumber = 1 /* page number 1*/;
2044 hdr.Reserved1 = 0;
2045 hdr.Reserved2 = 0;
2046 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2047 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY;
2048
2049 cfg.cfghdr.ehdr = &hdr;
2050 cfg.physAddr = -1;
2051 cfg.pageAddr = phy->identify.phy_identifier;
2052 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2053 cfg.dir = 0; /* read */
2054 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2055
2056 error = mpt_config(ioc, &cfg);
2057 if (error)
2058 return error;
2059 if (!hdr.ExtPageLength)
2060 return -ENXIO;
2061
2062 buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4,
2063 &dma_handle, GFP_KERNEL);
2064 if (!buffer)
2065 return -ENOMEM;
2066
2067 cfg.physAddr = dma_handle;
2068 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2069
2070 error = mpt_config(ioc, &cfg);
2071 if (error)
2072 goto out_free_consistent;
2073
2074 mptsas_print_phy_pg1(ioc, buffer);
2075
2076 phy->invalid_dword_count = le32_to_cpu(buffer->InvalidDwordCount);
2077 phy->running_disparity_error_count =
2078 le32_to_cpu(buffer->RunningDisparityErrorCount);
2079 phy->loss_of_dword_sync_count =
2080 le32_to_cpu(buffer->LossDwordSynchCount);
2081 phy->phy_reset_problem_count =
2082 le32_to_cpu(buffer->PhyResetProblemCount);
2083
2084 out_free_consistent:
2085 dma_free_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, buffer,
2086 dma_handle);
2087 return error;
2088}
2089
2090static int mptsas_mgmt_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2091 MPT_FRAME_HDR *reply)
2092{
2093 ioc->sas_mgmt.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2094 if (reply != NULL) {
2095 ioc->sas_mgmt.status |= MPT_MGMT_STATUS_RF_VALID;
2096 memcpy(ioc->sas_mgmt.reply, reply,
2097 min(ioc->reply_sz, 4 * reply->u.reply.MsgLength));
2098 }
2099
2100 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_PENDING) {
2101 ioc->sas_mgmt.status &= ~MPT_MGMT_STATUS_PENDING;
2102 complete(&ioc->sas_mgmt.done);
2103 return 1;
2104 }
2105 return 0;
2106}
2107
2108static int mptsas_phy_reset(struct sas_phy *phy, int hard_reset)
2109{
2110 MPT_ADAPTER *ioc = phy_to_ioc(phy);
2111 SasIoUnitControlRequest_t *req;
2112 SasIoUnitControlReply_t *reply;
2113 MPT_FRAME_HDR *mf;
2114 MPIHeader_t *hdr;
2115 unsigned long timeleft;
2116 int error = -ERESTARTSYS;
2117
2118 /* FIXME: fusion doesn't allow non-local phy reset */
2119 if (!scsi_is_sas_phy_local(phy))
2120 return -EINVAL;
2121
2122 /* not implemented for expanders */
2123 if (phy->identify.target_port_protocols & SAS_PROTOCOL_SMP)
2124 return -ENXIO;
2125
2126 if (mutex_lock_interruptible(&ioc->sas_mgmt.mutex))
2127 goto out;
2128
2129 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
2130 if (!mf) {
2131 error = -ENOMEM;
2132 goto out_unlock;
2133 }
2134
2135 hdr = (MPIHeader_t *) mf;
2136 req = (SasIoUnitControlRequest_t *)mf;
2137 memset(req, 0, sizeof(SasIoUnitControlRequest_t));
2138 req->Function = MPI_FUNCTION_SAS_IO_UNIT_CONTROL;
2139 req->MsgContext = hdr->MsgContext;
2140 req->Operation = hard_reset ?
2141 MPI_SAS_OP_PHY_HARD_RESET : MPI_SAS_OP_PHY_LINK_RESET;
2142 req->PhyNum = phy->identify.phy_identifier;
2143
2144 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status)
2145 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
2146
2147 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done,
2148 10 * HZ);
2149 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2150 error = -ETIME;
2151 mpt_free_msg_frame(ioc, mf);
2152 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
2153 goto out_unlock;
2154 if (!timeleft)
2155 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2156 goto out_unlock;
2157 }
2158
2159 /* a reply frame is expected */
2160 if ((ioc->sas_mgmt.status &
2161 MPT_MGMT_STATUS_RF_VALID) == 0) {
2162 error = -ENXIO;
2163 goto out_unlock;
2164 }
2165
2166 /* process the completed Reply Message Frame */
2167 reply = (SasIoUnitControlReply_t *)ioc->sas_mgmt.reply;
2168 if (reply->IOCStatus != MPI_IOCSTATUS_SUCCESS) {
2169 printk(MYIOC_s_INFO_FMT "%s: IOCStatus=0x%X IOCLogInfo=0x%X\n",
2170 ioc->name, __func__, reply->IOCStatus, reply->IOCLogInfo);
2171 error = -ENXIO;
2172 goto out_unlock;
2173 }
2174
2175 error = 0;
2176
2177 out_unlock:
2178 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status)
2179 mutex_unlock(&ioc->sas_mgmt.mutex);
2180 out:
2181 return error;
2182}
2183
2184static int
2185mptsas_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier)
2186{
2187 MPT_ADAPTER *ioc = rphy_to_ioc(rphy);
2188 int i, error;
2189 struct mptsas_portinfo *p;
2190 struct mptsas_enclosure enclosure_info;
2191 u64 enclosure_handle;
2192
2193 mutex_lock(&ioc->sas_topology_mutex);
2194 list_for_each_entry(p, &ioc->sas_topology, list) {
2195 for (i = 0; i < p->num_phys; i++) {
2196 if (p->phy_info[i].attached.sas_address ==
2197 rphy->identify.sas_address) {
2198 enclosure_handle = p->phy_info[i].
2199 attached.handle_enclosure;
2200 goto found_info;
2201 }
2202 }
2203 }
2204 mutex_unlock(&ioc->sas_topology_mutex);
2205 return -ENXIO;
2206
2207 found_info:
2208 mutex_unlock(&ioc->sas_topology_mutex);
2209 memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure));
2210 error = mptsas_sas_enclosure_pg0(ioc, &enclosure_info,
2211 (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE <<
2212 MPI_SAS_ENCLOS_PGAD_FORM_SHIFT), enclosure_handle);
2213 if (!error)
2214 *identifier = enclosure_info.enclosure_logical_id;
2215 return error;
2216}
2217
2218static int
2219mptsas_get_bay_identifier(struct sas_rphy *rphy)
2220{
2221 MPT_ADAPTER *ioc = rphy_to_ioc(rphy);
2222 struct mptsas_portinfo *p;
2223 int i, rc;
2224
2225 mutex_lock(&ioc->sas_topology_mutex);
2226 list_for_each_entry(p, &ioc->sas_topology, list) {
2227 for (i = 0; i < p->num_phys; i++) {
2228 if (p->phy_info[i].attached.sas_address ==
2229 rphy->identify.sas_address) {
2230 rc = p->phy_info[i].attached.slot;
2231 goto out;
2232 }
2233 }
2234 }
2235 rc = -ENXIO;
2236 out:
2237 mutex_unlock(&ioc->sas_topology_mutex);
2238 return rc;
2239}
2240
2241static void mptsas_smp_handler(struct bsg_job *job, struct Scsi_Host *shost,
2242 struct sas_rphy *rphy)
2243{
2244 MPT_ADAPTER *ioc = ((MPT_SCSI_HOST *) shost->hostdata)->ioc;
2245 MPT_FRAME_HDR *mf;
2246 SmpPassthroughRequest_t *smpreq;
2247 int flagsLength;
2248 unsigned long timeleft;
2249 char *psge;
2250 u64 sas_address = 0;
2251 unsigned int reslen = 0;
2252 int ret = -EINVAL;
2253
2254 /* do we need to support multiple segments? */
2255 if (job->request_payload.sg_cnt > 1 ||
2256 job->reply_payload.sg_cnt > 1) {
2257 printk(MYIOC_s_ERR_FMT "%s: multiple segments req %u, rsp %u\n",
2258 ioc->name, __func__, job->request_payload.payload_len,
2259 job->reply_payload.payload_len);
2260 goto out;
2261 }
2262
2263 ret = mutex_lock_interruptible(&ioc->sas_mgmt.mutex);
2264 if (ret)
2265 goto out;
2266
2267 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
2268 if (!mf) {
2269 ret = -ENOMEM;
2270 goto out_unlock;
2271 }
2272
2273 smpreq = (SmpPassthroughRequest_t *)mf;
2274 memset(smpreq, 0, sizeof(*smpreq));
2275
2276 smpreq->RequestDataLength =
2277 cpu_to_le16(job->request_payload.payload_len - 4);
2278 smpreq->Function = MPI_FUNCTION_SMP_PASSTHROUGH;
2279
2280 if (rphy)
2281 sas_address = rphy->identify.sas_address;
2282 else {
2283 struct mptsas_portinfo *port_info;
2284
2285 mutex_lock(&ioc->sas_topology_mutex);
2286 port_info = ioc->hba_port_info;
2287 if (port_info && port_info->phy_info)
2288 sas_address =
2289 port_info->phy_info[0].phy->identify.sas_address;
2290 mutex_unlock(&ioc->sas_topology_mutex);
2291 }
2292
2293 *((u64 *)&smpreq->SASAddress) = cpu_to_le64(sas_address);
2294
2295 psge = (char *)
2296 (((int *) mf) + (offsetof(SmpPassthroughRequest_t, SGL) / 4));
2297
2298 /* request */
2299 flagsLength = (MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2300 MPI_SGE_FLAGS_END_OF_BUFFER |
2301 MPI_SGE_FLAGS_DIRECTION)
2302 << MPI_SGE_FLAGS_SHIFT;
2303
2304 if (!dma_map_sg(&ioc->pcidev->dev, job->request_payload.sg_list,
2305 1, DMA_BIDIRECTIONAL))
2306 goto put_mf;
2307
2308 flagsLength |= (sg_dma_len(job->request_payload.sg_list) - 4);
2309 ioc->add_sge(psge, flagsLength,
2310 sg_dma_address(job->request_payload.sg_list));
2311 psge += ioc->SGE_size;
2312
2313 /* response */
2314 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2315 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
2316 MPI_SGE_FLAGS_IOC_TO_HOST |
2317 MPI_SGE_FLAGS_END_OF_BUFFER;
2318
2319 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT;
2320
2321 if (!dma_map_sg(&ioc->pcidev->dev, job->reply_payload.sg_list,
2322 1, DMA_BIDIRECTIONAL))
2323 goto unmap_out;
2324 flagsLength |= sg_dma_len(job->reply_payload.sg_list) + 4;
2325 ioc->add_sge(psge, flagsLength,
2326 sg_dma_address(job->reply_payload.sg_list));
2327
2328 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status)
2329 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
2330
2331 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done, 10 * HZ);
2332 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2333 ret = -ETIME;
2334 mpt_free_msg_frame(ioc, mf);
2335 mf = NULL;
2336 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
2337 goto unmap_in;
2338 if (!timeleft)
2339 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2340 goto unmap_in;
2341 }
2342 mf = NULL;
2343
2344 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_RF_VALID) {
2345 SmpPassthroughReply_t *smprep;
2346
2347 smprep = (SmpPassthroughReply_t *)ioc->sas_mgmt.reply;
2348 memcpy(job->reply, smprep, sizeof(*smprep));
2349 job->reply_len = sizeof(*smprep);
2350 reslen = smprep->ResponseDataLength;
2351 } else {
2352 printk(MYIOC_s_ERR_FMT
2353 "%s: smp passthru reply failed to be returned\n",
2354 ioc->name, __func__);
2355 ret = -ENXIO;
2356 }
2357
2358unmap_in:
2359 dma_unmap_sg(&ioc->pcidev->dev, job->reply_payload.sg_list, 1,
2360 DMA_BIDIRECTIONAL);
2361unmap_out:
2362 dma_unmap_sg(&ioc->pcidev->dev, job->request_payload.sg_list, 1,
2363 DMA_BIDIRECTIONAL);
2364put_mf:
2365 if (mf)
2366 mpt_free_msg_frame(ioc, mf);
2367out_unlock:
2368 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status)
2369 mutex_unlock(&ioc->sas_mgmt.mutex);
2370out:
2371 bsg_job_done(job, ret, reslen);
2372}
2373
2374static struct sas_function_template mptsas_transport_functions = {
2375 .get_linkerrors = mptsas_get_linkerrors,
2376 .get_enclosure_identifier = mptsas_get_enclosure_identifier,
2377 .get_bay_identifier = mptsas_get_bay_identifier,
2378 .phy_reset = mptsas_phy_reset,
2379 .smp_handler = mptsas_smp_handler,
2380};
2381
2382static struct scsi_transport_template *mptsas_transport_template;
2383
2384static int
2385mptsas_sas_io_unit_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
2386{
2387 ConfigExtendedPageHeader_t hdr;
2388 CONFIGPARMS cfg;
2389 SasIOUnitPage0_t *buffer;
2390 dma_addr_t dma_handle;
2391 int error, i;
2392
2393 hdr.PageVersion = MPI_SASIOUNITPAGE0_PAGEVERSION;
2394 hdr.ExtPageLength = 0;
2395 hdr.PageNumber = 0;
2396 hdr.Reserved1 = 0;
2397 hdr.Reserved2 = 0;
2398 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2399 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
2400
2401 cfg.cfghdr.ehdr = &hdr;
2402 cfg.physAddr = -1;
2403 cfg.pageAddr = 0;
2404 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2405 cfg.dir = 0; /* read */
2406 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2407
2408 error = mpt_config(ioc, &cfg);
2409 if (error)
2410 goto out;
2411 if (!hdr.ExtPageLength) {
2412 error = -ENXIO;
2413 goto out;
2414 }
2415
2416 buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4,
2417 &dma_handle, GFP_KERNEL);
2418 if (!buffer) {
2419 error = -ENOMEM;
2420 goto out;
2421 }
2422
2423 cfg.physAddr = dma_handle;
2424 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2425
2426 error = mpt_config(ioc, &cfg);
2427 if (error)
2428 goto out_free_consistent;
2429
2430 port_info->num_phys = buffer->NumPhys;
2431 port_info->phy_info = kcalloc(port_info->num_phys,
2432 sizeof(struct mptsas_phyinfo), GFP_KERNEL);
2433 if (!port_info->phy_info) {
2434 error = -ENOMEM;
2435 goto out_free_consistent;
2436 }
2437
2438 ioc->nvdata_version_persistent =
2439 le16_to_cpu(buffer->NvdataVersionPersistent);
2440 ioc->nvdata_version_default =
2441 le16_to_cpu(buffer->NvdataVersionDefault);
2442
2443 for (i = 0; i < port_info->num_phys; i++) {
2444 mptsas_print_phy_data(ioc, &buffer->PhyData[i]);
2445 port_info->phy_info[i].phy_id = i;
2446 port_info->phy_info[i].port_id =
2447 buffer->PhyData[i].Port;
2448 port_info->phy_info[i].negotiated_link_rate =
2449 buffer->PhyData[i].NegotiatedLinkRate;
2450 port_info->phy_info[i].portinfo = port_info;
2451 port_info->phy_info[i].handle =
2452 le16_to_cpu(buffer->PhyData[i].ControllerDevHandle);
2453 }
2454
2455 out_free_consistent:
2456 dma_free_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, buffer,
2457 dma_handle);
2458 out:
2459 return error;
2460}
2461
2462static int
2463mptsas_sas_io_unit_pg1(MPT_ADAPTER *ioc)
2464{
2465 ConfigExtendedPageHeader_t hdr;
2466 CONFIGPARMS cfg;
2467 SasIOUnitPage1_t *buffer;
2468 dma_addr_t dma_handle;
2469 int error;
2470 u8 device_missing_delay;
2471
2472 memset(&hdr, 0, sizeof(ConfigExtendedPageHeader_t));
2473 memset(&cfg, 0, sizeof(CONFIGPARMS));
2474
2475 cfg.cfghdr.ehdr = &hdr;
2476 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2477 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2478 cfg.cfghdr.ehdr->PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2479 cfg.cfghdr.ehdr->ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
2480 cfg.cfghdr.ehdr->PageVersion = MPI_SASIOUNITPAGE1_PAGEVERSION;
2481 cfg.cfghdr.ehdr->PageNumber = 1;
2482
2483 error = mpt_config(ioc, &cfg);
2484 if (error)
2485 goto out;
2486 if (!hdr.ExtPageLength) {
2487 error = -ENXIO;
2488 goto out;
2489 }
2490
2491 buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4,
2492 &dma_handle, GFP_KERNEL);
2493 if (!buffer) {
2494 error = -ENOMEM;
2495 goto out;
2496 }
2497
2498 cfg.physAddr = dma_handle;
2499 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2500
2501 error = mpt_config(ioc, &cfg);
2502 if (error)
2503 goto out_free_consistent;
2504
2505 ioc->io_missing_delay =
2506 le16_to_cpu(buffer->IODeviceMissingDelay);
2507 device_missing_delay = buffer->ReportDeviceMissingDelay;
2508 ioc->device_missing_delay = (device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_UNIT_16) ?
2509 (device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16 :
2510 device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
2511
2512 out_free_consistent:
2513 dma_free_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, buffer,
2514 dma_handle);
2515 out:
2516 return error;
2517}
2518
2519static int
2520mptsas_sas_phy_pg0(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
2521 u32 form, u32 form_specific)
2522{
2523 ConfigExtendedPageHeader_t hdr;
2524 CONFIGPARMS cfg;
2525 SasPhyPage0_t *buffer;
2526 dma_addr_t dma_handle;
2527 int error;
2528
2529 hdr.PageVersion = MPI_SASPHY0_PAGEVERSION;
2530 hdr.ExtPageLength = 0;
2531 hdr.PageNumber = 0;
2532 hdr.Reserved1 = 0;
2533 hdr.Reserved2 = 0;
2534 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2535 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY;
2536
2537 cfg.cfghdr.ehdr = &hdr;
2538 cfg.dir = 0; /* read */
2539 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2540
2541 /* Get Phy Pg 0 for each Phy. */
2542 cfg.physAddr = -1;
2543 cfg.pageAddr = form + form_specific;
2544 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2545
2546 error = mpt_config(ioc, &cfg);
2547 if (error)
2548 goto out;
2549
2550 if (!hdr.ExtPageLength) {
2551 error = -ENXIO;
2552 goto out;
2553 }
2554
2555 buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4,
2556 &dma_handle, GFP_KERNEL);
2557 if (!buffer) {
2558 error = -ENOMEM;
2559 goto out;
2560 }
2561
2562 cfg.physAddr = dma_handle;
2563 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2564
2565 error = mpt_config(ioc, &cfg);
2566 if (error)
2567 goto out_free_consistent;
2568
2569 mptsas_print_phy_pg0(ioc, buffer);
2570
2571 phy_info->hw_link_rate = buffer->HwLinkRate;
2572 phy_info->programmed_link_rate = buffer->ProgrammedLinkRate;
2573 phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle);
2574 phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle);
2575
2576 out_free_consistent:
2577 dma_free_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, buffer,
2578 dma_handle);
2579 out:
2580 return error;
2581}
2582
2583static int
2584mptsas_sas_device_pg0(MPT_ADAPTER *ioc, struct mptsas_devinfo *device_info,
2585 u32 form, u32 form_specific)
2586{
2587 ConfigExtendedPageHeader_t hdr;
2588 CONFIGPARMS cfg;
2589 SasDevicePage0_t *buffer;
2590 dma_addr_t dma_handle;
2591 __le64 sas_address;
2592 int error=0;
2593
2594 hdr.PageVersion = MPI_SASDEVICE0_PAGEVERSION;
2595 hdr.ExtPageLength = 0;
2596 hdr.PageNumber = 0;
2597 hdr.Reserved1 = 0;
2598 hdr.Reserved2 = 0;
2599 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2600 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE;
2601
2602 cfg.cfghdr.ehdr = &hdr;
2603 cfg.pageAddr = form + form_specific;
2604 cfg.physAddr = -1;
2605 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2606 cfg.dir = 0; /* read */
2607 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2608
2609 memset(device_info, 0, sizeof(struct mptsas_devinfo));
2610 error = mpt_config(ioc, &cfg);
2611 if (error)
2612 goto out;
2613 if (!hdr.ExtPageLength) {
2614 error = -ENXIO;
2615 goto out;
2616 }
2617
2618 buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4,
2619 &dma_handle, GFP_KERNEL);
2620 if (!buffer) {
2621 error = -ENOMEM;
2622 goto out;
2623 }
2624
2625 cfg.physAddr = dma_handle;
2626 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2627
2628 error = mpt_config(ioc, &cfg);
2629
2630 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
2631 error = -ENODEV;
2632 goto out_free_consistent;
2633 }
2634
2635 if (error)
2636 goto out_free_consistent;
2637
2638 mptsas_print_device_pg0(ioc, buffer);
2639
2640 memset(device_info, 0, sizeof(struct mptsas_devinfo));
2641 device_info->handle = le16_to_cpu(buffer->DevHandle);
2642 device_info->handle_parent = le16_to_cpu(buffer->ParentDevHandle);
2643 device_info->handle_enclosure =
2644 le16_to_cpu(buffer->EnclosureHandle);
2645 device_info->slot = le16_to_cpu(buffer->Slot);
2646 device_info->phy_id = buffer->PhyNum;
2647 device_info->port_id = buffer->PhysicalPort;
2648 device_info->id = buffer->TargetID;
2649 device_info->phys_disk_num = ~0;
2650 device_info->channel = buffer->Bus;
2651 memcpy(&sas_address, &buffer->SASAddress, sizeof(__le64));
2652 device_info->sas_address = le64_to_cpu(sas_address);
2653 device_info->device_info =
2654 le32_to_cpu(buffer->DeviceInfo);
2655 device_info->flags = le16_to_cpu(buffer->Flags);
2656
2657 out_free_consistent:
2658 dma_free_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, buffer,
2659 dma_handle);
2660 out:
2661 return error;
2662}
2663
2664static int
2665mptsas_sas_expander_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info,
2666 u32 form, u32 form_specific)
2667{
2668 ConfigExtendedPageHeader_t hdr;
2669 CONFIGPARMS cfg;
2670 SasExpanderPage0_t *buffer;
2671 dma_addr_t dma_handle;
2672 int i, error;
2673 __le64 sas_address;
2674
2675 memset(port_info, 0, sizeof(struct mptsas_portinfo));
2676 hdr.PageVersion = MPI_SASEXPANDER0_PAGEVERSION;
2677 hdr.ExtPageLength = 0;
2678 hdr.PageNumber = 0;
2679 hdr.Reserved1 = 0;
2680 hdr.Reserved2 = 0;
2681 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2682 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
2683
2684 cfg.cfghdr.ehdr = &hdr;
2685 cfg.physAddr = -1;
2686 cfg.pageAddr = form + form_specific;
2687 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2688 cfg.dir = 0; /* read */
2689 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2690
2691 memset(port_info, 0, sizeof(struct mptsas_portinfo));
2692 error = mpt_config(ioc, &cfg);
2693 if (error)
2694 goto out;
2695
2696 if (!hdr.ExtPageLength) {
2697 error = -ENXIO;
2698 goto out;
2699 }
2700
2701 buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4,
2702 &dma_handle, GFP_KERNEL);
2703 if (!buffer) {
2704 error = -ENOMEM;
2705 goto out;
2706 }
2707
2708 cfg.physAddr = dma_handle;
2709 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2710
2711 error = mpt_config(ioc, &cfg);
2712 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
2713 error = -ENODEV;
2714 goto out_free_consistent;
2715 }
2716
2717 if (error)
2718 goto out_free_consistent;
2719
2720 /* save config data */
2721 port_info->num_phys = (buffer->NumPhys) ? buffer->NumPhys : 1;
2722 port_info->phy_info = kcalloc(port_info->num_phys,
2723 sizeof(struct mptsas_phyinfo), GFP_KERNEL);
2724 if (!port_info->phy_info) {
2725 error = -ENOMEM;
2726 goto out_free_consistent;
2727 }
2728
2729 memcpy(&sas_address, &buffer->SASAddress, sizeof(__le64));
2730 for (i = 0; i < port_info->num_phys; i++) {
2731 port_info->phy_info[i].portinfo = port_info;
2732 port_info->phy_info[i].handle =
2733 le16_to_cpu(buffer->DevHandle);
2734 port_info->phy_info[i].identify.sas_address =
2735 le64_to_cpu(sas_address);
2736 port_info->phy_info[i].identify.handle_parent =
2737 le16_to_cpu(buffer->ParentDevHandle);
2738 }
2739
2740 out_free_consistent:
2741 dma_free_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, buffer,
2742 dma_handle);
2743 out:
2744 return error;
2745}
2746
2747static int
2748mptsas_sas_expander_pg1(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
2749 u32 form, u32 form_specific)
2750{
2751 ConfigExtendedPageHeader_t hdr;
2752 CONFIGPARMS cfg;
2753 SasExpanderPage1_t *buffer;
2754 dma_addr_t dma_handle;
2755 int error=0;
2756
2757 hdr.PageVersion = MPI_SASEXPANDER1_PAGEVERSION;
2758 hdr.ExtPageLength = 0;
2759 hdr.PageNumber = 1;
2760 hdr.Reserved1 = 0;
2761 hdr.Reserved2 = 0;
2762 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
2763 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
2764
2765 cfg.cfghdr.ehdr = &hdr;
2766 cfg.physAddr = -1;
2767 cfg.pageAddr = form + form_specific;
2768 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2769 cfg.dir = 0; /* read */
2770 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
2771
2772 error = mpt_config(ioc, &cfg);
2773 if (error)
2774 goto out;
2775
2776 if (!hdr.ExtPageLength) {
2777 error = -ENXIO;
2778 goto out;
2779 }
2780
2781 buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4,
2782 &dma_handle, GFP_KERNEL);
2783 if (!buffer) {
2784 error = -ENOMEM;
2785 goto out;
2786 }
2787
2788 cfg.physAddr = dma_handle;
2789 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2790
2791 error = mpt_config(ioc, &cfg);
2792
2793 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
2794 error = -ENODEV;
2795 goto out_free_consistent;
2796 }
2797
2798 if (error)
2799 goto out_free_consistent;
2800
2801
2802 mptsas_print_expander_pg1(ioc, buffer);
2803
2804 /* save config data */
2805 phy_info->phy_id = buffer->PhyIdentifier;
2806 phy_info->port_id = buffer->PhysicalPort;
2807 phy_info->negotiated_link_rate = buffer->NegotiatedLinkRate;
2808 phy_info->programmed_link_rate = buffer->ProgrammedLinkRate;
2809 phy_info->hw_link_rate = buffer->HwLinkRate;
2810 phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle);
2811 phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle);
2812
2813 out_free_consistent:
2814 dma_free_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, buffer,
2815 dma_handle);
2816 out:
2817 return error;
2818}
2819
2820struct rep_manu_request{
2821 u8 smp_frame_type;
2822 u8 function;
2823 u8 reserved;
2824 u8 request_length;
2825};
2826
2827struct rep_manu_reply{
2828 u8 smp_frame_type; /* 0x41 */
2829 u8 function; /* 0x01 */
2830 u8 function_result;
2831 u8 response_length;
2832 u16 expander_change_count;
2833 u8 reserved0[2];
2834 u8 sas_format:1;
2835 u8 reserved1:7;
2836 u8 reserved2[3];
2837 u8 vendor_id[SAS_EXPANDER_VENDOR_ID_LEN];
2838 u8 product_id[SAS_EXPANDER_PRODUCT_ID_LEN];
2839 u8 product_rev[SAS_EXPANDER_PRODUCT_REV_LEN];
2840 u8 component_vendor_id[SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN];
2841 u16 component_id;
2842 u8 component_revision_id;
2843 u8 reserved3;
2844 u8 vendor_specific[8];
2845};
2846
2847/**
2848 * mptsas_exp_repmanufacture_info - sets expander manufacturer info
2849 * @ioc: per adapter object
2850 * @sas_address: expander sas address
2851 * @edev: the sas_expander_device object
2852 *
2853 * For an edge expander or a fanout expander:
2854 * fills in the sas_expander_device object when SMP port is created.
2855 *
2856 * Return: 0 for success, non-zero for failure.
2857 */
2858static int
2859mptsas_exp_repmanufacture_info(MPT_ADAPTER *ioc,
2860 u64 sas_address, struct sas_expander_device *edev)
2861{
2862 MPT_FRAME_HDR *mf;
2863 SmpPassthroughRequest_t *smpreq;
2864 SmpPassthroughReply_t *smprep;
2865 struct rep_manu_reply *manufacture_reply;
2866 struct rep_manu_request *manufacture_request;
2867 int ret;
2868 int flagsLength;
2869 unsigned long timeleft;
2870 char *psge;
2871 unsigned long flags;
2872 void *data_out = NULL;
2873 dma_addr_t data_out_dma = 0;
2874 u32 sz;
2875
2876 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2877 if (ioc->ioc_reset_in_progress) {
2878 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2879 printk(MYIOC_s_INFO_FMT "%s: host reset in progress!\n",
2880 __func__, ioc->name);
2881 return -EFAULT;
2882 }
2883 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2884
2885 ret = mutex_lock_interruptible(&ioc->sas_mgmt.mutex);
2886 if (ret)
2887 goto out;
2888
2889 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
2890 if (!mf) {
2891 ret = -ENOMEM;
2892 goto out_unlock;
2893 }
2894
2895 smpreq = (SmpPassthroughRequest_t *)mf;
2896 memset(smpreq, 0, sizeof(*smpreq));
2897
2898 sz = sizeof(struct rep_manu_request) + sizeof(struct rep_manu_reply);
2899
2900 data_out = dma_alloc_coherent(&ioc->pcidev->dev, sz, &data_out_dma,
2901 GFP_KERNEL);
2902 if (!data_out) {
2903 printk(KERN_ERR "Memory allocation failure at %s:%d/%s()!\n",
2904 __FILE__, __LINE__, __func__);
2905 ret = -ENOMEM;
2906 goto put_mf;
2907 }
2908
2909 manufacture_request = data_out;
2910 manufacture_request->smp_frame_type = 0x40;
2911 manufacture_request->function = 1;
2912 manufacture_request->reserved = 0;
2913 manufacture_request->request_length = 0;
2914
2915 smpreq->Function = MPI_FUNCTION_SMP_PASSTHROUGH;
2916 smpreq->PhysicalPort = 0xFF;
2917 *((u64 *)&smpreq->SASAddress) = cpu_to_le64(sas_address);
2918 smpreq->RequestDataLength = sizeof(struct rep_manu_request);
2919
2920 psge = (char *)
2921 (((int *) mf) + (offsetof(SmpPassthroughRequest_t, SGL) / 4));
2922
2923 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2924 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
2925 MPI_SGE_FLAGS_HOST_TO_IOC |
2926 MPI_SGE_FLAGS_END_OF_BUFFER;
2927 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT;
2928 flagsLength |= sizeof(struct rep_manu_request);
2929
2930 ioc->add_sge(psge, flagsLength, data_out_dma);
2931 psge += ioc->SGE_size;
2932
2933 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2934 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
2935 MPI_SGE_FLAGS_IOC_TO_HOST |
2936 MPI_SGE_FLAGS_END_OF_BUFFER;
2937 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT;
2938 flagsLength |= sizeof(struct rep_manu_reply);
2939 ioc->add_sge(psge, flagsLength, data_out_dma +
2940 sizeof(struct rep_manu_request));
2941
2942 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status)
2943 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
2944
2945 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done, 10 * HZ);
2946 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2947 ret = -ETIME;
2948 mpt_free_msg_frame(ioc, mf);
2949 mf = NULL;
2950 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
2951 goto out_free;
2952 if (!timeleft)
2953 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2954 goto out_free;
2955 }
2956
2957 mf = NULL;
2958
2959 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_RF_VALID) {
2960 u8 *tmp;
2961
2962 smprep = (SmpPassthroughReply_t *)ioc->sas_mgmt.reply;
2963 if (le16_to_cpu(smprep->ResponseDataLength) !=
2964 sizeof(struct rep_manu_reply))
2965 goto out_free;
2966
2967 manufacture_reply = data_out + sizeof(struct rep_manu_request);
2968 memtostr(edev->vendor_id, manufacture_reply->vendor_id);
2969 memtostr(edev->product_id, manufacture_reply->product_id);
2970 memtostr(edev->product_rev, manufacture_reply->product_rev);
2971 edev->level = manufacture_reply->sas_format;
2972 if (manufacture_reply->sas_format) {
2973 memtostr(edev->component_vendor_id,
2974 manufacture_reply->component_vendor_id);
2975 tmp = (u8 *)&manufacture_reply->component_id;
2976 edev->component_id = tmp[0] << 8 | tmp[1];
2977 edev->component_revision_id =
2978 manufacture_reply->component_revision_id;
2979 }
2980 } else {
2981 printk(MYIOC_s_ERR_FMT
2982 "%s: smp passthru reply failed to be returned\n",
2983 ioc->name, __func__);
2984 ret = -ENXIO;
2985 }
2986out_free:
2987 if (data_out_dma)
2988 dma_free_coherent(&ioc->pcidev->dev, sz, data_out,
2989 data_out_dma);
2990put_mf:
2991 if (mf)
2992 mpt_free_msg_frame(ioc, mf);
2993out_unlock:
2994 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status)
2995 mutex_unlock(&ioc->sas_mgmt.mutex);
2996out:
2997 return ret;
2998}
2999
3000static void
3001mptsas_parse_device_info(struct sas_identify *identify,
3002 struct mptsas_devinfo *device_info)
3003{
3004 u16 protocols;
3005
3006 identify->sas_address = device_info->sas_address;
3007 identify->phy_identifier = device_info->phy_id;
3008
3009 /*
3010 * Fill in Phy Initiator Port Protocol.
3011 * Bits 6:3, more than one bit can be set, fall through cases.
3012 */
3013 protocols = device_info->device_info & 0x78;
3014 identify->initiator_port_protocols = 0;
3015 if (protocols & MPI_SAS_DEVICE_INFO_SSP_INITIATOR)
3016 identify->initiator_port_protocols |= SAS_PROTOCOL_SSP;
3017 if (protocols & MPI_SAS_DEVICE_INFO_STP_INITIATOR)
3018 identify->initiator_port_protocols |= SAS_PROTOCOL_STP;
3019 if (protocols & MPI_SAS_DEVICE_INFO_SMP_INITIATOR)
3020 identify->initiator_port_protocols |= SAS_PROTOCOL_SMP;
3021 if (protocols & MPI_SAS_DEVICE_INFO_SATA_HOST)
3022 identify->initiator_port_protocols |= SAS_PROTOCOL_SATA;
3023
3024 /*
3025 * Fill in Phy Target Port Protocol.
3026 * Bits 10:7, more than one bit can be set, fall through cases.
3027 */
3028 protocols = device_info->device_info & 0x780;
3029 identify->target_port_protocols = 0;
3030 if (protocols & MPI_SAS_DEVICE_INFO_SSP_TARGET)
3031 identify->target_port_protocols |= SAS_PROTOCOL_SSP;
3032 if (protocols & MPI_SAS_DEVICE_INFO_STP_TARGET)
3033 identify->target_port_protocols |= SAS_PROTOCOL_STP;
3034 if (protocols & MPI_SAS_DEVICE_INFO_SMP_TARGET)
3035 identify->target_port_protocols |= SAS_PROTOCOL_SMP;
3036 if (protocols & MPI_SAS_DEVICE_INFO_SATA_DEVICE)
3037 identify->target_port_protocols |= SAS_PROTOCOL_SATA;
3038
3039 /*
3040 * Fill in Attached device type.
3041 */
3042 switch (device_info->device_info &
3043 MPI_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) {
3044 case MPI_SAS_DEVICE_INFO_NO_DEVICE:
3045 identify->device_type = SAS_PHY_UNUSED;
3046 break;
3047 case MPI_SAS_DEVICE_INFO_END_DEVICE:
3048 identify->device_type = SAS_END_DEVICE;
3049 break;
3050 case MPI_SAS_DEVICE_INFO_EDGE_EXPANDER:
3051 identify->device_type = SAS_EDGE_EXPANDER_DEVICE;
3052 break;
3053 case MPI_SAS_DEVICE_INFO_FANOUT_EXPANDER:
3054 identify->device_type = SAS_FANOUT_EXPANDER_DEVICE;
3055 break;
3056 }
3057}
3058
3059static int mptsas_probe_one_phy(struct device *dev,
3060 struct mptsas_phyinfo *phy_info, int index, int local)
3061{
3062 MPT_ADAPTER *ioc;
3063 struct sas_phy *phy;
3064 struct sas_port *port;
3065 int error = 0;
3066 VirtTarget *vtarget;
3067
3068 if (!dev) {
3069 error = -ENODEV;
3070 goto out;
3071 }
3072
3073 if (!phy_info->phy) {
3074 phy = sas_phy_alloc(dev, index);
3075 if (!phy) {
3076 error = -ENOMEM;
3077 goto out;
3078 }
3079 } else
3080 phy = phy_info->phy;
3081
3082 mptsas_parse_device_info(&phy->identify, &phy_info->identify);
3083
3084 /*
3085 * Set Negotiated link rate.
3086 */
3087 switch (phy_info->negotiated_link_rate) {
3088 case MPI_SAS_IOUNIT0_RATE_PHY_DISABLED:
3089 phy->negotiated_linkrate = SAS_PHY_DISABLED;
3090 break;
3091 case MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION:
3092 phy->negotiated_linkrate = SAS_LINK_RATE_FAILED;
3093 break;
3094 case MPI_SAS_IOUNIT0_RATE_1_5:
3095 phy->negotiated_linkrate = SAS_LINK_RATE_1_5_GBPS;
3096 break;
3097 case MPI_SAS_IOUNIT0_RATE_3_0:
3098 phy->negotiated_linkrate = SAS_LINK_RATE_3_0_GBPS;
3099 break;
3100 case MPI_SAS_IOUNIT0_RATE_6_0:
3101 phy->negotiated_linkrate = SAS_LINK_RATE_6_0_GBPS;
3102 break;
3103 case MPI_SAS_IOUNIT0_RATE_SATA_OOB_COMPLETE:
3104 case MPI_SAS_IOUNIT0_RATE_UNKNOWN:
3105 default:
3106 phy->negotiated_linkrate = SAS_LINK_RATE_UNKNOWN;
3107 break;
3108 }
3109
3110 /*
3111 * Set Max hardware link rate.
3112 */
3113 switch (phy_info->hw_link_rate & MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) {
3114 case MPI_SAS_PHY0_HWRATE_MAX_RATE_1_5:
3115 phy->maximum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3116 break;
3117 case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0:
3118 phy->maximum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS;
3119 break;
3120 default:
3121 break;
3122 }
3123
3124 /*
3125 * Set Max programmed link rate.
3126 */
3127 switch (phy_info->programmed_link_rate &
3128 MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) {
3129 case MPI_SAS_PHY0_PRATE_MAX_RATE_1_5:
3130 phy->maximum_linkrate = SAS_LINK_RATE_1_5_GBPS;
3131 break;
3132 case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0:
3133 phy->maximum_linkrate = SAS_LINK_RATE_3_0_GBPS;
3134 break;
3135 default:
3136 break;
3137 }
3138
3139 /*
3140 * Set Min hardware link rate.
3141 */
3142 switch (phy_info->hw_link_rate & MPI_SAS_PHY0_HWRATE_MIN_RATE_MASK) {
3143 case MPI_SAS_PHY0_HWRATE_MIN_RATE_1_5:
3144 phy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3145 break;
3146 case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0:
3147 phy->minimum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS;
3148 break;
3149 default:
3150 break;
3151 }
3152
3153 /*
3154 * Set Min programmed link rate.
3155 */
3156 switch (phy_info->programmed_link_rate &
3157 MPI_SAS_PHY0_PRATE_MIN_RATE_MASK) {
3158 case MPI_SAS_PHY0_PRATE_MIN_RATE_1_5:
3159 phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
3160 break;
3161 case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0:
3162 phy->minimum_linkrate = SAS_LINK_RATE_3_0_GBPS;
3163 break;
3164 default:
3165 break;
3166 }
3167
3168 if (!phy_info->phy) {
3169
3170 error = sas_phy_add(phy);
3171 if (error) {
3172 sas_phy_free(phy);
3173 goto out;
3174 }
3175 phy_info->phy = phy;
3176 }
3177
3178 if (!phy_info->attached.handle ||
3179 !phy_info->port_details)
3180 goto out;
3181
3182 port = mptsas_get_port(phy_info);
3183 ioc = phy_to_ioc(phy_info->phy);
3184
3185 if (phy_info->sas_port_add_phy) {
3186
3187 if (!port) {
3188 port = sas_port_alloc_num(dev);
3189 if (!port) {
3190 error = -ENOMEM;
3191 goto out;
3192 }
3193 error = sas_port_add(port);
3194 if (error) {
3195 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3196 "%s: exit at line=%d\n", ioc->name,
3197 __func__, __LINE__));
3198 goto out;
3199 }
3200 mptsas_set_port(ioc, phy_info, port);
3201 devtprintk(ioc, dev_printk(KERN_DEBUG, &port->dev,
3202 MYIOC_s_FMT "add port %d, sas_addr (0x%llx)\n",
3203 ioc->name, port->port_identifier,
3204 (unsigned long long)phy_info->
3205 attached.sas_address));
3206 }
3207 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3208 "sas_port_add_phy: phy_id=%d\n",
3209 ioc->name, phy_info->phy_id));
3210 sas_port_add_phy(port, phy_info->phy);
3211 phy_info->sas_port_add_phy = 0;
3212 devtprintk(ioc, dev_printk(KERN_DEBUG, &phy_info->phy->dev,
3213 MYIOC_s_FMT "add phy %d, phy-obj (0x%p)\n", ioc->name,
3214 phy_info->phy_id, phy_info->phy));
3215 }
3216 if (!mptsas_get_rphy(phy_info) && port && !port->rphy) {
3217
3218 struct sas_rphy *rphy;
3219 struct device *parent;
3220 struct sas_identify identify;
3221
3222 parent = dev->parent->parent;
3223 /*
3224 * Let the hotplug_work thread handle processing
3225 * the adding/removing of devices that occur
3226 * after start of day.
3227 */
3228 if (mptsas_is_end_device(&phy_info->attached) &&
3229 phy_info->attached.handle_parent) {
3230 goto out;
3231 }
3232
3233 mptsas_parse_device_info(&identify, &phy_info->attached);
3234 if (scsi_is_host_device(parent)) {
3235 struct mptsas_portinfo *port_info;
3236 int i;
3237
3238 port_info = ioc->hba_port_info;
3239
3240 for (i = 0; i < port_info->num_phys; i++)
3241 if (port_info->phy_info[i].identify.sas_address ==
3242 identify.sas_address) {
3243 sas_port_mark_backlink(port);
3244 goto out;
3245 }
3246
3247 } else if (scsi_is_sas_rphy(parent)) {
3248 struct sas_rphy *parent_rphy = dev_to_rphy(parent);
3249 if (identify.sas_address ==
3250 parent_rphy->identify.sas_address) {
3251 sas_port_mark_backlink(port);
3252 goto out;
3253 }
3254 }
3255
3256 switch (identify.device_type) {
3257 case SAS_END_DEVICE:
3258 rphy = sas_end_device_alloc(port);
3259 break;
3260 case SAS_EDGE_EXPANDER_DEVICE:
3261 case SAS_FANOUT_EXPANDER_DEVICE:
3262 rphy = sas_expander_alloc(port, identify.device_type);
3263 break;
3264 default:
3265 rphy = NULL;
3266 break;
3267 }
3268 if (!rphy) {
3269 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3270 "%s: exit at line=%d\n", ioc->name,
3271 __func__, __LINE__));
3272 goto out;
3273 }
3274
3275 rphy->identify = identify;
3276 error = sas_rphy_add(rphy);
3277 if (error) {
3278 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3279 "%s: exit at line=%d\n", ioc->name,
3280 __func__, __LINE__));
3281 sas_rphy_free(rphy);
3282 goto out;
3283 }
3284 mptsas_set_rphy(ioc, phy_info, rphy);
3285 if (identify.device_type == SAS_EDGE_EXPANDER_DEVICE ||
3286 identify.device_type == SAS_FANOUT_EXPANDER_DEVICE)
3287 mptsas_exp_repmanufacture_info(ioc,
3288 identify.sas_address,
3289 rphy_to_expander_device(rphy));
3290 }
3291
3292 /* If the device exists, verify it wasn't previously flagged
3293 as a missing device. If so, clear it */
3294 vtarget = mptsas_find_vtarget(ioc,
3295 phy_info->attached.channel,
3296 phy_info->attached.id);
3297 if (vtarget && vtarget->inDMD) {
3298 printk(KERN_INFO "Device returned, unsetting inDMD\n");
3299 vtarget->inDMD = 0;
3300 }
3301
3302 out:
3303 return error;
3304}
3305
3306static int
3307mptsas_probe_hba_phys(MPT_ADAPTER *ioc)
3308{
3309 struct mptsas_portinfo *port_info, *hba;
3310 int error = -ENOMEM, i;
3311
3312 hba = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
3313 if (! hba)
3314 goto out;
3315
3316 error = mptsas_sas_io_unit_pg0(ioc, hba);
3317 if (error)
3318 goto out_free_port_info;
3319
3320 mptsas_sas_io_unit_pg1(ioc);
3321 mutex_lock(&ioc->sas_topology_mutex);
3322 port_info = ioc->hba_port_info;
3323 if (!port_info) {
3324 ioc->hba_port_info = port_info = hba;
3325 ioc->hba_port_num_phy = port_info->num_phys;
3326 list_add_tail(&port_info->list, &ioc->sas_topology);
3327 } else {
3328 for (i = 0; i < hba->num_phys; i++) {
3329 port_info->phy_info[i].negotiated_link_rate =
3330 hba->phy_info[i].negotiated_link_rate;
3331 port_info->phy_info[i].handle =
3332 hba->phy_info[i].handle;
3333 port_info->phy_info[i].port_id =
3334 hba->phy_info[i].port_id;
3335 }
3336 kfree(hba->phy_info);
3337 kfree(hba);
3338 hba = NULL;
3339 }
3340 mutex_unlock(&ioc->sas_topology_mutex);
3341#if defined(CPQ_CIM)
3342 ioc->num_ports = port_info->num_phys;
3343#endif
3344 for (i = 0; i < port_info->num_phys; i++) {
3345 mptsas_sas_phy_pg0(ioc, &port_info->phy_info[i],
3346 (MPI_SAS_PHY_PGAD_FORM_PHY_NUMBER <<
3347 MPI_SAS_PHY_PGAD_FORM_SHIFT), i);
3348 port_info->phy_info[i].identify.handle =
3349 port_info->phy_info[i].handle;
3350 mptsas_sas_device_pg0(ioc, &port_info->phy_info[i].identify,
3351 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3352 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3353 port_info->phy_info[i].identify.handle);
3354 if (!ioc->hba_port_sas_addr)
3355 ioc->hba_port_sas_addr =
3356 port_info->phy_info[i].identify.sas_address;
3357 port_info->phy_info[i].identify.phy_id =
3358 port_info->phy_info[i].phy_id = i;
3359 if (port_info->phy_info[i].attached.handle)
3360 mptsas_sas_device_pg0(ioc,
3361 &port_info->phy_info[i].attached,
3362 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3363 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3364 port_info->phy_info[i].attached.handle);
3365 }
3366
3367 mptsas_setup_wide_ports(ioc, port_info);
3368
3369 for (i = 0; i < port_info->num_phys; i++, ioc->sas_index++)
3370 mptsas_probe_one_phy(&ioc->sh->shost_gendev,
3371 &port_info->phy_info[i], ioc->sas_index, 1);
3372
3373 return 0;
3374
3375 out_free_port_info:
3376 kfree(hba);
3377 out:
3378 return error;
3379}
3380
3381static void
3382mptsas_expander_refresh(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
3383{
3384 struct mptsas_portinfo *parent;
3385 struct device *parent_dev;
3386 struct sas_rphy *rphy;
3387 int i;
3388 u64 sas_address; /* expander sas address */
3389 u32 handle;
3390
3391 handle = port_info->phy_info[0].handle;
3392 sas_address = port_info->phy_info[0].identify.sas_address;
3393 for (i = 0; i < port_info->num_phys; i++) {
3394 mptsas_sas_expander_pg1(ioc, &port_info->phy_info[i],
3395 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE_PHY_NUM <<
3396 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), (i << 16) + handle);
3397
3398 mptsas_sas_device_pg0(ioc,
3399 &port_info->phy_info[i].identify,
3400 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3401 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3402 port_info->phy_info[i].identify.handle);
3403 port_info->phy_info[i].identify.phy_id =
3404 port_info->phy_info[i].phy_id;
3405
3406 if (port_info->phy_info[i].attached.handle) {
3407 mptsas_sas_device_pg0(ioc,
3408 &port_info->phy_info[i].attached,
3409 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
3410 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3411 port_info->phy_info[i].attached.handle);
3412 port_info->phy_info[i].attached.phy_id =
3413 port_info->phy_info[i].phy_id;
3414 }
3415 }
3416
3417 mutex_lock(&ioc->sas_topology_mutex);
3418 parent = mptsas_find_portinfo_by_handle(ioc,
3419 port_info->phy_info[0].identify.handle_parent);
3420 if (!parent) {
3421 mutex_unlock(&ioc->sas_topology_mutex);
3422 return;
3423 }
3424 for (i = 0, parent_dev = NULL; i < parent->num_phys && !parent_dev;
3425 i++) {
3426 if (parent->phy_info[i].attached.sas_address == sas_address) {
3427 rphy = mptsas_get_rphy(&parent->phy_info[i]);
3428 parent_dev = &rphy->dev;
3429 }
3430 }
3431 mutex_unlock(&ioc->sas_topology_mutex);
3432
3433 mptsas_setup_wide_ports(ioc, port_info);
3434 for (i = 0; i < port_info->num_phys; i++, ioc->sas_index++)
3435 mptsas_probe_one_phy(parent_dev, &port_info->phy_info[i],
3436 ioc->sas_index, 0);
3437}
3438
3439static void
3440mptsas_expander_event_add(MPT_ADAPTER *ioc,
3441 MpiEventDataSasExpanderStatusChange_t *expander_data)
3442{
3443 struct mptsas_portinfo *port_info;
3444 int i;
3445 __le64 sas_address;
3446
3447 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
3448 BUG_ON(!port_info);
3449 port_info->num_phys = (expander_data->NumPhys) ?
3450 expander_data->NumPhys : 1;
3451 port_info->phy_info = kcalloc(port_info->num_phys,
3452 sizeof(struct mptsas_phyinfo), GFP_KERNEL);
3453 BUG_ON(!port_info->phy_info);
3454 memcpy(&sas_address, &expander_data->SASAddress, sizeof(__le64));
3455 for (i = 0; i < port_info->num_phys; i++) {
3456 port_info->phy_info[i].portinfo = port_info;
3457 port_info->phy_info[i].handle =
3458 le16_to_cpu(expander_data->DevHandle);
3459 port_info->phy_info[i].identify.sas_address =
3460 le64_to_cpu(sas_address);
3461 port_info->phy_info[i].identify.handle_parent =
3462 le16_to_cpu(expander_data->ParentDevHandle);
3463 }
3464
3465 mutex_lock(&ioc->sas_topology_mutex);
3466 list_add_tail(&port_info->list, &ioc->sas_topology);
3467 mutex_unlock(&ioc->sas_topology_mutex);
3468
3469 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, "
3470 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3471 (unsigned long long)sas_address);
3472
3473 mptsas_expander_refresh(ioc, port_info);
3474}
3475
3476/**
3477 * mptsas_delete_expander_siblings - remove siblings attached to expander
3478 * @ioc: Pointer to MPT_ADAPTER structure
3479 * @parent: the parent port_info object
3480 * @expander: the expander port_info object
3481 **/
3482static void
3483mptsas_delete_expander_siblings(MPT_ADAPTER *ioc, struct mptsas_portinfo
3484 *parent, struct mptsas_portinfo *expander)
3485{
3486 struct mptsas_phyinfo *phy_info;
3487 struct mptsas_portinfo *port_info;
3488 struct sas_rphy *rphy;
3489 int i;
3490
3491 phy_info = expander->phy_info;
3492 for (i = 0; i < expander->num_phys; i++, phy_info++) {
3493 rphy = mptsas_get_rphy(phy_info);
3494 if (!rphy)
3495 continue;
3496 if (rphy->identify.device_type == SAS_END_DEVICE)
3497 mptsas_del_end_device(ioc, phy_info);
3498 }
3499
3500 phy_info = expander->phy_info;
3501 for (i = 0; i < expander->num_phys; i++, phy_info++) {
3502 rphy = mptsas_get_rphy(phy_info);
3503 if (!rphy)
3504 continue;
3505 if (rphy->identify.device_type ==
3506 MPI_SAS_DEVICE_INFO_EDGE_EXPANDER ||
3507 rphy->identify.device_type ==
3508 MPI_SAS_DEVICE_INFO_FANOUT_EXPANDER) {
3509 port_info = mptsas_find_portinfo_by_sas_address(ioc,
3510 rphy->identify.sas_address);
3511 if (!port_info)
3512 continue;
3513 if (port_info == parent) /* backlink rphy */
3514 continue;
3515 /*
3516 Delete this expander even if the expdevpage is exists
3517 because the parent expander is already deleted
3518 */
3519 mptsas_expander_delete(ioc, port_info, 1);
3520 }
3521 }
3522}
3523
3524
3525/**
3526 * mptsas_expander_delete - remove this expander
3527 * @ioc: Pointer to MPT_ADAPTER structure
3528 * @port_info: expander port_info struct
3529 * @force: Flag to forcefully delete the expander
3530 *
3531 **/
3532
3533static void mptsas_expander_delete(MPT_ADAPTER *ioc,
3534 struct mptsas_portinfo *port_info, u8 force)
3535{
3536
3537 struct mptsas_portinfo *parent;
3538 int i;
3539 u64 expander_sas_address;
3540 struct mptsas_phyinfo *phy_info;
3541 struct mptsas_portinfo buffer;
3542 struct mptsas_portinfo_details *port_details;
3543 struct sas_port *port;
3544
3545 if (!port_info)
3546 return;
3547
3548 /* see if expander is still there before deleting */
3549 mptsas_sas_expander_pg0(ioc, &buffer,
3550 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE <<
3551 MPI_SAS_EXPAND_PGAD_FORM_SHIFT),
3552 port_info->phy_info[0].identify.handle);
3553
3554 if (buffer.num_phys) {
3555 kfree(buffer.phy_info);
3556 if (!force)
3557 return;
3558 }
3559
3560
3561 /*
3562 * Obtain the port_info instance to the parent port
3563 */
3564 port_details = NULL;
3565 expander_sas_address =
3566 port_info->phy_info[0].identify.sas_address;
3567 parent = mptsas_find_portinfo_by_handle(ioc,
3568 port_info->phy_info[0].identify.handle_parent);
3569 mptsas_delete_expander_siblings(ioc, parent, port_info);
3570 if (!parent)
3571 goto out;
3572
3573 /*
3574 * Delete rphys in the parent that point
3575 * to this expander.
3576 */
3577 phy_info = parent->phy_info;
3578 port = NULL;
3579 for (i = 0; i < parent->num_phys; i++, phy_info++) {
3580 if (!phy_info->phy)
3581 continue;
3582 if (phy_info->attached.sas_address !=
3583 expander_sas_address)
3584 continue;
3585 if (!port) {
3586 port = mptsas_get_port(phy_info);
3587 port_details = phy_info->port_details;
3588 }
3589 dev_printk(KERN_DEBUG, &phy_info->phy->dev,
3590 MYIOC_s_FMT "delete phy %d, phy-obj (0x%p)\n", ioc->name,
3591 phy_info->phy_id, phy_info->phy);
3592 sas_port_delete_phy(port, phy_info->phy);
3593 }
3594 if (port) {
3595 dev_printk(KERN_DEBUG, &port->dev,
3596 MYIOC_s_FMT "delete port %d, sas_addr (0x%llx)\n",
3597 ioc->name, port->port_identifier,
3598 (unsigned long long)expander_sas_address);
3599 sas_port_delete(port);
3600 mptsas_port_delete(ioc, port_details);
3601 }
3602 out:
3603
3604 printk(MYIOC_s_INFO_FMT "delete expander: num_phys %d, "
3605 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3606 (unsigned long long)expander_sas_address);
3607
3608 /*
3609 * free link
3610 */
3611 list_del(&port_info->list);
3612 kfree(port_info->phy_info);
3613 kfree(port_info);
3614}
3615
3616
3617/**
3618 * mptsas_send_expander_event - expanders events
3619 * @fw_event: event data
3620 *
3621 *
3622 * This function handles adding, removing, and refreshing
3623 * device handles within the expander objects.
3624 */
3625static void
3626mptsas_send_expander_event(struct fw_event_work *fw_event)
3627{
3628 MPT_ADAPTER *ioc;
3629 MpiEventDataSasExpanderStatusChange_t *expander_data;
3630 struct mptsas_portinfo *port_info;
3631 __le64 sas_address;
3632 int i;
3633
3634 ioc = fw_event->ioc;
3635 expander_data = (MpiEventDataSasExpanderStatusChange_t *)
3636 fw_event->event_data;
3637 memcpy(&sas_address, &expander_data->SASAddress, sizeof(__le64));
3638 sas_address = le64_to_cpu(sas_address);
3639 port_info = mptsas_find_portinfo_by_sas_address(ioc, sas_address);
3640
3641 if (expander_data->ReasonCode == MPI_EVENT_SAS_EXP_RC_ADDED) {
3642 if (port_info) {
3643 for (i = 0; i < port_info->num_phys; i++) {
3644 port_info->phy_info[i].portinfo = port_info;
3645 port_info->phy_info[i].handle =
3646 le16_to_cpu(expander_data->DevHandle);
3647 port_info->phy_info[i].identify.sas_address =
3648 le64_to_cpu(sas_address);
3649 port_info->phy_info[i].identify.handle_parent =
3650 le16_to_cpu(expander_data->ParentDevHandle);
3651 }
3652 mptsas_expander_refresh(ioc, port_info);
3653 } else if (!port_info && expander_data->NumPhys)
3654 mptsas_expander_event_add(ioc, expander_data);
3655 } else if (expander_data->ReasonCode ==
3656 MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING)
3657 mptsas_expander_delete(ioc, port_info, 0);
3658
3659 mptsas_free_fw_event(ioc, fw_event);
3660}
3661
3662
3663/**
3664 * mptsas_expander_add - adds a newly discovered expander
3665 * @ioc: Pointer to MPT_ADAPTER structure
3666 * @handle: device handle
3667 *
3668 */
3669static struct mptsas_portinfo *
3670mptsas_expander_add(MPT_ADAPTER *ioc, u16 handle)
3671{
3672 struct mptsas_portinfo buffer, *port_info;
3673 int i;
3674
3675 if ((mptsas_sas_expander_pg0(ioc, &buffer,
3676 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE <<
3677 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle)))
3678 return NULL;
3679
3680 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
3681 if (!port_info) {
3682 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3683 "%s: exit at line=%d\n", ioc->name,
3684 __func__, __LINE__));
3685 return NULL;
3686 }
3687 port_info->num_phys = buffer.num_phys;
3688 port_info->phy_info = buffer.phy_info;
3689 for (i = 0; i < port_info->num_phys; i++)
3690 port_info->phy_info[i].portinfo = port_info;
3691 mutex_lock(&ioc->sas_topology_mutex);
3692 list_add_tail(&port_info->list, &ioc->sas_topology);
3693 mutex_unlock(&ioc->sas_topology_mutex);
3694 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, "
3695 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3696 (unsigned long long)buffer.phy_info[0].identify.sas_address);
3697 mptsas_expander_refresh(ioc, port_info);
3698 return port_info;
3699}
3700
3701static void
3702mptsas_send_link_status_event(struct fw_event_work *fw_event)
3703{
3704 MPT_ADAPTER *ioc;
3705 MpiEventDataSasPhyLinkStatus_t *link_data;
3706 struct mptsas_portinfo *port_info;
3707 struct mptsas_phyinfo *phy_info = NULL;
3708 __le64 sas_address;
3709 u8 phy_num;
3710 u8 link_rate;
3711
3712 ioc = fw_event->ioc;
3713 link_data = (MpiEventDataSasPhyLinkStatus_t *)fw_event->event_data;
3714
3715 memcpy(&sas_address, &link_data->SASAddress, sizeof(__le64));
3716 sas_address = le64_to_cpu(sas_address);
3717 link_rate = link_data->LinkRates >> 4;
3718 phy_num = link_data->PhyNum;
3719
3720 port_info = mptsas_find_portinfo_by_sas_address(ioc, sas_address);
3721 if (port_info) {
3722 phy_info = &port_info->phy_info[phy_num];
3723 if (phy_info)
3724 phy_info->negotiated_link_rate = link_rate;
3725 }
3726
3727 if (link_rate == MPI_SAS_IOUNIT0_RATE_1_5 ||
3728 link_rate == MPI_SAS_IOUNIT0_RATE_3_0 ||
3729 link_rate == MPI_SAS_IOUNIT0_RATE_6_0) {
3730
3731 if (!port_info) {
3732 if (ioc->old_sas_discovery_protocal) {
3733 port_info = mptsas_expander_add(ioc,
3734 le16_to_cpu(link_data->DevHandle));
3735 if (port_info)
3736 goto out;
3737 }
3738 goto out;
3739 }
3740
3741 if (port_info == ioc->hba_port_info)
3742 mptsas_probe_hba_phys(ioc);
3743 else
3744 mptsas_expander_refresh(ioc, port_info);
3745 } else if (phy_info && phy_info->phy) {
3746 if (link_rate == MPI_SAS_IOUNIT0_RATE_PHY_DISABLED)
3747 phy_info->phy->negotiated_linkrate =
3748 SAS_PHY_DISABLED;
3749 else if (link_rate ==
3750 MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION)
3751 phy_info->phy->negotiated_linkrate =
3752 SAS_LINK_RATE_FAILED;
3753 else {
3754 phy_info->phy->negotiated_linkrate =
3755 SAS_LINK_RATE_UNKNOWN;
3756 if (ioc->device_missing_delay &&
3757 mptsas_is_end_device(&phy_info->attached)) {
3758 struct scsi_device *sdev;
3759 VirtDevice *vdevice;
3760 u8 channel, id;
3761 id = phy_info->attached.id;
3762 channel = phy_info->attached.channel;
3763 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3764 "Link down for fw_id %d:fw_channel %d\n",
3765 ioc->name, phy_info->attached.id,
3766 phy_info->attached.channel));
3767
3768 shost_for_each_device(sdev, ioc->sh) {
3769 vdevice = sdev->hostdata;
3770 if ((vdevice == NULL) ||
3771 (vdevice->vtarget == NULL))
3772 continue;
3773 if ((vdevice->vtarget->tflags &
3774 MPT_TARGET_FLAGS_RAID_COMPONENT ||
3775 vdevice->vtarget->raidVolume))
3776 continue;
3777 if (vdevice->vtarget->id == id &&
3778 vdevice->vtarget->channel ==
3779 channel)
3780 devtprintk(ioc,
3781 printk(MYIOC_s_DEBUG_FMT
3782 "SDEV OUTSTANDING CMDS"
3783 "%d\n", ioc->name,
3784 scsi_device_busy(sdev)));
3785 }
3786
3787 }
3788 }
3789 }
3790 out:
3791 mptsas_free_fw_event(ioc, fw_event);
3792}
3793
3794static void
3795mptsas_not_responding_devices(MPT_ADAPTER *ioc)
3796{
3797 struct mptsas_portinfo buffer, *port_info;
3798 struct mptsas_device_info *sas_info;
3799 struct mptsas_devinfo sas_device;
3800 u32 handle;
3801 VirtTarget *vtarget = NULL;
3802 struct mptsas_phyinfo *phy_info;
3803 u8 found_expander;
3804 int retval, retry_count;
3805 unsigned long flags;
3806
3807 mpt_findImVolumes(ioc);
3808
3809 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
3810 if (ioc->ioc_reset_in_progress) {
3811 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3812 "%s: exiting due to a parallel reset \n", ioc->name,
3813 __func__));
3814 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
3815 return;
3816 }
3817 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
3818
3819 /* devices, logical volumes */
3820 mutex_lock(&ioc->sas_device_info_mutex);
3821 redo_device_scan:
3822 list_for_each_entry(sas_info, &ioc->sas_device_info_list, list) {
3823 if (sas_info->is_cached)
3824 continue;
3825 if (!sas_info->is_logical_volume) {
3826 sas_device.handle = 0;
3827 retry_count = 0;
3828retry_page:
3829 retval = mptsas_sas_device_pg0(ioc, &sas_device,
3830 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID
3831 << MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
3832 (sas_info->fw.channel << 8) +
3833 sas_info->fw.id);
3834
3835 if (sas_device.handle)
3836 continue;
3837 if (retval == -EBUSY) {
3838 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
3839 if (ioc->ioc_reset_in_progress) {
3840 dfailprintk(ioc,
3841 printk(MYIOC_s_DEBUG_FMT
3842 "%s: exiting due to reset\n",
3843 ioc->name, __func__));
3844 spin_unlock_irqrestore
3845 (&ioc->taskmgmt_lock, flags);
3846 mutex_unlock(&ioc->
3847 sas_device_info_mutex);
3848 return;
3849 }
3850 spin_unlock_irqrestore(&ioc->taskmgmt_lock,
3851 flags);
3852 }
3853
3854 if (retval && (retval != -ENODEV)) {
3855 if (retry_count < 10) {
3856 retry_count++;
3857 goto retry_page;
3858 } else {
3859 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3860 "%s: Config page retry exceeded retry "
3861 "count deleting device 0x%llx\n",
3862 ioc->name, __func__,
3863 sas_info->sas_address));
3864 }
3865 }
3866
3867 /* delete device */
3868 vtarget = mptsas_find_vtarget(ioc,
3869 sas_info->fw.channel, sas_info->fw.id);
3870
3871 if (vtarget)
3872 vtarget->deleted = 1;
3873
3874 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
3875 sas_info->sas_address);
3876
3877 mptsas_del_end_device(ioc, phy_info);
3878 goto redo_device_scan;
3879 } else
3880 mptsas_volume_delete(ioc, sas_info->fw.id);
3881 }
3882 mutex_unlock(&ioc->sas_device_info_mutex);
3883
3884 /* expanders */
3885 mutex_lock(&ioc->sas_topology_mutex);
3886 redo_expander_scan:
3887 list_for_each_entry(port_info, &ioc->sas_topology, list) {
3888
3889 if (!(port_info->phy_info[0].identify.device_info &
3890 MPI_SAS_DEVICE_INFO_SMP_TARGET))
3891 continue;
3892 found_expander = 0;
3893 handle = 0xFFFF;
3894 while (!mptsas_sas_expander_pg0(ioc, &buffer,
3895 (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE <<
3896 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle) &&
3897 !found_expander) {
3898
3899 handle = buffer.phy_info[0].handle;
3900 if (buffer.phy_info[0].identify.sas_address ==
3901 port_info->phy_info[0].identify.sas_address) {
3902 found_expander = 1;
3903 }
3904 kfree(buffer.phy_info);
3905 }
3906
3907 if (!found_expander) {
3908 mptsas_expander_delete(ioc, port_info, 0);
3909 goto redo_expander_scan;
3910 }
3911 }
3912 mutex_unlock(&ioc->sas_topology_mutex);
3913}
3914
3915/**
3916 * mptsas_probe_expanders - adding expanders
3917 * @ioc: Pointer to MPT_ADAPTER structure
3918 *
3919 **/
3920static void
3921mptsas_probe_expanders(MPT_ADAPTER *ioc)
3922{
3923 struct mptsas_portinfo buffer, *port_info;
3924 u32 handle;
3925 int i;
3926
3927 handle = 0xFFFF;
3928 while (!mptsas_sas_expander_pg0(ioc, &buffer,
3929 (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE <<
3930 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle)) {
3931
3932 handle = buffer.phy_info[0].handle;
3933 port_info = mptsas_find_portinfo_by_sas_address(ioc,
3934 buffer.phy_info[0].identify.sas_address);
3935
3936 if (port_info) {
3937 /* refreshing handles */
3938 for (i = 0; i < buffer.num_phys; i++) {
3939 port_info->phy_info[i].handle = handle;
3940 port_info->phy_info[i].identify.handle_parent =
3941 buffer.phy_info[0].identify.handle_parent;
3942 }
3943 mptsas_expander_refresh(ioc, port_info);
3944 kfree(buffer.phy_info);
3945 continue;
3946 }
3947
3948 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL);
3949 if (!port_info) {
3950 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
3951 "%s: exit at line=%d\n", ioc->name,
3952 __func__, __LINE__));
3953 return;
3954 }
3955 port_info->num_phys = buffer.num_phys;
3956 port_info->phy_info = buffer.phy_info;
3957 for (i = 0; i < port_info->num_phys; i++)
3958 port_info->phy_info[i].portinfo = port_info;
3959 mutex_lock(&ioc->sas_topology_mutex);
3960 list_add_tail(&port_info->list, &ioc->sas_topology);
3961 mutex_unlock(&ioc->sas_topology_mutex);
3962 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, "
3963 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys,
3964 (unsigned long long)buffer.phy_info[0].identify.sas_address);
3965 mptsas_expander_refresh(ioc, port_info);
3966 }
3967}
3968
3969static void
3970mptsas_probe_devices(MPT_ADAPTER *ioc)
3971{
3972 u16 handle;
3973 struct mptsas_devinfo sas_device;
3974 struct mptsas_phyinfo *phy_info;
3975
3976 handle = 0xFFFF;
3977 while (!(mptsas_sas_device_pg0(ioc, &sas_device,
3978 MPI_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
3979
3980 handle = sas_device.handle;
3981
3982 if ((sas_device.device_info &
3983 (MPI_SAS_DEVICE_INFO_SSP_TARGET |
3984 MPI_SAS_DEVICE_INFO_STP_TARGET |
3985 MPI_SAS_DEVICE_INFO_SATA_DEVICE)) == 0)
3986 continue;
3987
3988 /* If there is no FW B_T mapping for this device then continue
3989 * */
3990 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
3991 || !(sas_device.flags &
3992 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
3993 continue;
3994
3995 phy_info = mptsas_refreshing_device_handles(ioc, &sas_device);
3996 if (!phy_info)
3997 continue;
3998
3999 if (mptsas_get_rphy(phy_info))
4000 continue;
4001
4002 mptsas_add_end_device(ioc, phy_info);
4003 }
4004}
4005
4006/**
4007 * mptsas_scan_sas_topology - scans new SAS topology
4008 * (part of probe or rescan)
4009 * @ioc: Pointer to MPT_ADAPTER structure
4010 *
4011 **/
4012static void
4013mptsas_scan_sas_topology(MPT_ADAPTER *ioc)
4014{
4015 struct scsi_device *sdev;
4016 int i;
4017
4018 mptsas_probe_hba_phys(ioc);
4019 mptsas_probe_expanders(ioc);
4020 mptsas_probe_devices(ioc);
4021
4022 /*
4023 Reporting RAID volumes.
4024 */
4025 if (!ioc->ir_firmware || !ioc->raid_data.pIocPg2 ||
4026 !ioc->raid_data.pIocPg2->NumActiveVolumes)
4027 return;
4028 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
4029 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL,
4030 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID, 0);
4031 if (sdev) {
4032 scsi_device_put(sdev);
4033 continue;
4034 }
4035 printk(MYIOC_s_INFO_FMT "attaching raid volume, channel %d, "
4036 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL,
4037 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID);
4038 scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL,
4039 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID, 0);
4040 }
4041}
4042
4043
4044static void
4045mptsas_handle_queue_full_event(struct fw_event_work *fw_event)
4046{
4047 MPT_ADAPTER *ioc;
4048 EventDataQueueFull_t *qfull_data;
4049 struct mptsas_device_info *sas_info;
4050 struct scsi_device *sdev;
4051 int depth;
4052 int id = -1;
4053 int channel = -1;
4054 int fw_id, fw_channel;
4055 u16 current_depth;
4056
4057
4058 ioc = fw_event->ioc;
4059 qfull_data = (EventDataQueueFull_t *)fw_event->event_data;
4060 fw_id = qfull_data->TargetID;
4061 fw_channel = qfull_data->Bus;
4062 current_depth = le16_to_cpu(qfull_data->CurrentDepth);
4063
4064 /* if hidden raid component, look for the volume id */
4065 mutex_lock(&ioc->sas_device_info_mutex);
4066 if (mptscsih_is_phys_disk(ioc, fw_channel, fw_id)) {
4067 list_for_each_entry(sas_info, &ioc->sas_device_info_list,
4068 list) {
4069 if (sas_info->is_cached ||
4070 sas_info->is_logical_volume)
4071 continue;
4072 if (sas_info->is_hidden_raid_component &&
4073 (sas_info->fw.channel == fw_channel &&
4074 sas_info->fw.id == fw_id)) {
4075 id = sas_info->volume_id;
4076 channel = MPTSAS_RAID_CHANNEL;
4077 goto out;
4078 }
4079 }
4080 } else {
4081 list_for_each_entry(sas_info, &ioc->sas_device_info_list,
4082 list) {
4083 if (sas_info->is_cached ||
4084 sas_info->is_hidden_raid_component ||
4085 sas_info->is_logical_volume)
4086 continue;
4087 if (sas_info->fw.channel == fw_channel &&
4088 sas_info->fw.id == fw_id) {
4089 id = sas_info->os.id;
4090 channel = sas_info->os.channel;
4091 goto out;
4092 }
4093 }
4094
4095 }
4096
4097 out:
4098 mutex_unlock(&ioc->sas_device_info_mutex);
4099
4100 if (id != -1) {
4101 shost_for_each_device(sdev, ioc->sh) {
4102 if (sdev->id == id && sdev->channel == channel) {
4103 if (current_depth > sdev->queue_depth) {
4104 sdev_printk(KERN_INFO, sdev,
4105 "strange observation, the queue "
4106 "depth is (%d) meanwhile fw queue "
4107 "depth (%d)\n", sdev->queue_depth,
4108 current_depth);
4109 continue;
4110 }
4111 depth = scsi_track_queue_full(sdev,
4112 sdev->queue_depth - 1);
4113 if (depth > 0)
4114 sdev_printk(KERN_INFO, sdev,
4115 "Queue depth reduced to (%d)\n",
4116 depth);
4117 else if (depth < 0)
4118 sdev_printk(KERN_INFO, sdev,
4119 "Tagged Command Queueing is being "
4120 "disabled\n");
4121 else if (depth == 0)
4122 sdev_printk(KERN_DEBUG, sdev,
4123 "Queue depth not changed yet\n");
4124 }
4125 }
4126 }
4127
4128 mptsas_free_fw_event(ioc, fw_event);
4129}
4130
4131
4132static struct mptsas_phyinfo *
4133mptsas_find_phyinfo_by_sas_address(MPT_ADAPTER *ioc, u64 sas_address)
4134{
4135 struct mptsas_portinfo *port_info;
4136 struct mptsas_phyinfo *phy_info = NULL;
4137 int i;
4138
4139 mutex_lock(&ioc->sas_topology_mutex);
4140 list_for_each_entry(port_info, &ioc->sas_topology, list) {
4141 for (i = 0; i < port_info->num_phys; i++) {
4142 if (!mptsas_is_end_device(
4143 &port_info->phy_info[i].attached))
4144 continue;
4145 if (port_info->phy_info[i].attached.sas_address
4146 != sas_address)
4147 continue;
4148 phy_info = &port_info->phy_info[i];
4149 break;
4150 }
4151 }
4152 mutex_unlock(&ioc->sas_topology_mutex);
4153 return phy_info;
4154}
4155
4156/**
4157 * mptsas_find_phyinfo_by_phys_disk_num - find phyinfo for the
4158 * specified @phys_disk_num
4159 * @ioc: Pointer to MPT_ADAPTER structure
4160 * @phys_disk_num: (hot plug) physical disk number (for RAID support)
4161 * @channel: channel number
4162 * @id: Logical Target ID
4163 *
4164 **/
4165static struct mptsas_phyinfo *
4166mptsas_find_phyinfo_by_phys_disk_num(MPT_ADAPTER *ioc, u8 phys_disk_num,
4167 u8 channel, u8 id)
4168{
4169 struct mptsas_phyinfo *phy_info = NULL;
4170 struct mptsas_portinfo *port_info;
4171 RaidPhysDiskPage1_t *phys_disk = NULL;
4172 int num_paths;
4173 u64 sas_address = 0;
4174 int i;
4175
4176 phy_info = NULL;
4177 if (!ioc->raid_data.pIocPg3)
4178 return NULL;
4179 /* dual port support */
4180 num_paths = mpt_raid_phys_disk_get_num_paths(ioc, phys_disk_num);
4181 if (!num_paths)
4182 goto out;
4183 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
4184 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
4185 if (!phys_disk)
4186 goto out;
4187 mpt_raid_phys_disk_pg1(ioc, phys_disk_num, phys_disk);
4188 for (i = 0; i < num_paths; i++) {
4189 if ((phys_disk->Path[i].Flags & 1) != 0)
4190 /* entry no longer valid */
4191 continue;
4192 if ((id == phys_disk->Path[i].PhysDiskID) &&
4193 (channel == phys_disk->Path[i].PhysDiskBus)) {
4194 memcpy(&sas_address, &phys_disk->Path[i].WWID,
4195 sizeof(u64));
4196 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4197 sas_address);
4198 goto out;
4199 }
4200 }
4201
4202 out:
4203 kfree(phys_disk);
4204 if (phy_info)
4205 return phy_info;
4206
4207 /*
4208 * Extra code to handle RAID0 case, where the sas_address is not updated
4209 * in phys_disk_page_1 when hotswapped
4210 */
4211 mutex_lock(&ioc->sas_topology_mutex);
4212 list_for_each_entry(port_info, &ioc->sas_topology, list) {
4213 for (i = 0; i < port_info->num_phys && !phy_info; i++) {
4214 if (!mptsas_is_end_device(
4215 &port_info->phy_info[i].attached))
4216 continue;
4217 if (port_info->phy_info[i].attached.phys_disk_num == ~0)
4218 continue;
4219 if ((port_info->phy_info[i].attached.phys_disk_num ==
4220 phys_disk_num) &&
4221 (port_info->phy_info[i].attached.id == id) &&
4222 (port_info->phy_info[i].attached.channel ==
4223 channel))
4224 phy_info = &port_info->phy_info[i];
4225 }
4226 }
4227 mutex_unlock(&ioc->sas_topology_mutex);
4228 return phy_info;
4229}
4230
4231static void
4232mptsas_reprobe_lun(struct scsi_device *sdev, void *data)
4233{
4234 sdev->no_uld_attach = data ? 1 : 0;
4235 WARN_ON(scsi_device_reprobe(sdev));
4236}
4237
4238static void
4239mptsas_reprobe_target(struct scsi_target *starget, int uld_attach)
4240{
4241 starget_for_each_device(starget, uld_attach ? (void *)1 : NULL,
4242 mptsas_reprobe_lun);
4243}
4244
4245static void
4246mptsas_adding_inactive_raid_components(MPT_ADAPTER *ioc, u8 channel, u8 id)
4247{
4248 CONFIGPARMS cfg;
4249 ConfigPageHeader_t hdr;
4250 dma_addr_t dma_handle;
4251 pRaidVolumePage0_t buffer = NULL;
4252 RaidPhysDiskPage0_t phys_disk;
4253 int i;
4254 struct mptsas_phyinfo *phy_info;
4255 struct mptsas_devinfo sas_device;
4256
4257 memset(&cfg, 0 , sizeof(CONFIGPARMS));
4258 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
4259 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME;
4260 cfg.pageAddr = (channel << 8) + id;
4261 cfg.cfghdr.hdr = &hdr;
4262 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
4263 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT;
4264
4265 if (mpt_config(ioc, &cfg) != 0)
4266 goto out;
4267
4268 if (!hdr.PageLength)
4269 goto out;
4270
4271 buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.PageLength * 4,
4272 &dma_handle, GFP_KERNEL);
4273
4274 if (!buffer)
4275 goto out;
4276
4277 cfg.physAddr = dma_handle;
4278 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
4279
4280 if (mpt_config(ioc, &cfg) != 0)
4281 goto out;
4282
4283 if (!(buffer->VolumeStatus.Flags &
4284 MPI_RAIDVOL0_STATUS_FLAG_VOLUME_INACTIVE))
4285 goto out;
4286
4287 if (!buffer->NumPhysDisks)
4288 goto out;
4289
4290 for (i = 0; i < buffer->NumPhysDisks; i++) {
4291
4292 if (mpt_raid_phys_disk_pg0(ioc,
4293 buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0)
4294 continue;
4295
4296 if (mptsas_sas_device_pg0(ioc, &sas_device,
4297 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4298 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4299 (phys_disk.PhysDiskBus << 8) +
4300 phys_disk.PhysDiskID))
4301 continue;
4302
4303 /* If there is no FW B_T mapping for this device then continue
4304 * */
4305 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4306 || !(sas_device.flags &
4307 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4308 continue;
4309
4310
4311 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4312 sas_device.sas_address);
4313 mptsas_add_end_device(ioc, phy_info);
4314 }
4315
4316 out:
4317 if (buffer)
4318 dma_free_coherent(&ioc->pcidev->dev, hdr.PageLength * 4,
4319 buffer, dma_handle);
4320}
4321/*
4322 * Work queue thread to handle SAS hotplug events
4323 */
4324static void
4325mptsas_hotplug_work(MPT_ADAPTER *ioc, struct fw_event_work *fw_event,
4326 struct mptsas_hotplug_event *hot_plug_info)
4327{
4328 struct mptsas_phyinfo *phy_info;
4329 struct scsi_target * starget;
4330 struct mptsas_devinfo sas_device;
4331 VirtTarget *vtarget;
4332 int i;
4333 struct mptsas_portinfo *port_info;
4334
4335 switch (hot_plug_info->event_type) {
4336
4337 case MPTSAS_ADD_PHYSDISK:
4338
4339 if (!ioc->raid_data.pIocPg2)
4340 break;
4341
4342 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
4343 if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID ==
4344 hot_plug_info->id) {
4345 printk(MYIOC_s_WARN_FMT "firmware bug: unable "
4346 "to add hidden disk - target_id matches "
4347 "volume_id\n", ioc->name);
4348 mptsas_free_fw_event(ioc, fw_event);
4349 return;
4350 }
4351 }
4352 mpt_findImVolumes(ioc);
4353 fallthrough;
4354
4355 case MPTSAS_ADD_DEVICE:
4356 memset(&sas_device, 0, sizeof(struct mptsas_devinfo));
4357 mptsas_sas_device_pg0(ioc, &sas_device,
4358 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4359 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4360 (hot_plug_info->channel << 8) +
4361 hot_plug_info->id);
4362
4363 /* If there is no FW B_T mapping for this device then break
4364 * */
4365 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4366 || !(sas_device.flags &
4367 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4368 break;
4369
4370 if (!sas_device.handle)
4371 return;
4372
4373 phy_info = mptsas_refreshing_device_handles(ioc, &sas_device);
4374 /* Device hot plug */
4375 if (!phy_info) {
4376 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4377 "%s %d HOT PLUG: "
4378 "parent handle of device %x\n", ioc->name,
4379 __func__, __LINE__, sas_device.handle_parent));
4380 port_info = mptsas_find_portinfo_by_handle(ioc,
4381 sas_device.handle_parent);
4382
4383 if (port_info == ioc->hba_port_info)
4384 mptsas_probe_hba_phys(ioc);
4385 else if (port_info)
4386 mptsas_expander_refresh(ioc, port_info);
4387 else {
4388 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4389 "%s %d port info is NULL\n",
4390 ioc->name, __func__, __LINE__));
4391 break;
4392 }
4393 phy_info = mptsas_refreshing_device_handles
4394 (ioc, &sas_device);
4395 }
4396
4397 if (!phy_info) {
4398 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4399 "%s %d phy info is NULL\n",
4400 ioc->name, __func__, __LINE__));
4401 break;
4402 }
4403
4404 if (mptsas_get_rphy(phy_info))
4405 break;
4406
4407 mptsas_add_end_device(ioc, phy_info);
4408 break;
4409
4410 case MPTSAS_DEL_DEVICE:
4411 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4412 hot_plug_info->sas_address);
4413 mptsas_del_end_device(ioc, phy_info);
4414 break;
4415
4416 case MPTSAS_DEL_PHYSDISK:
4417
4418 mpt_findImVolumes(ioc);
4419
4420 phy_info = mptsas_find_phyinfo_by_phys_disk_num(
4421 ioc, hot_plug_info->phys_disk_num,
4422 hot_plug_info->channel,
4423 hot_plug_info->id);
4424 mptsas_del_end_device(ioc, phy_info);
4425 break;
4426
4427 case MPTSAS_ADD_PHYSDISK_REPROBE:
4428
4429 if (mptsas_sas_device_pg0(ioc, &sas_device,
4430 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4431 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4432 (hot_plug_info->channel << 8) + hot_plug_info->id)) {
4433 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4434 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4435 __func__, hot_plug_info->id, __LINE__));
4436 break;
4437 }
4438
4439 /* If there is no FW B_T mapping for this device then break
4440 * */
4441 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4442 || !(sas_device.flags &
4443 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4444 break;
4445
4446 phy_info = mptsas_find_phyinfo_by_sas_address(
4447 ioc, sas_device.sas_address);
4448
4449 if (!phy_info) {
4450 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4451 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4452 __func__, hot_plug_info->id, __LINE__));
4453 break;
4454 }
4455
4456 starget = mptsas_get_starget(phy_info);
4457 if (!starget) {
4458 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4459 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4460 __func__, hot_plug_info->id, __LINE__));
4461 break;
4462 }
4463
4464 vtarget = starget->hostdata;
4465 if (!vtarget) {
4466 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4467 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4468 __func__, hot_plug_info->id, __LINE__));
4469 break;
4470 }
4471
4472 mpt_findImVolumes(ioc);
4473
4474 starget_printk(KERN_INFO, starget, MYIOC_s_FMT "RAID Hidding: "
4475 "fw_channel=%d, fw_id=%d, physdsk %d, sas_addr 0x%llx\n",
4476 ioc->name, hot_plug_info->channel, hot_plug_info->id,
4477 hot_plug_info->phys_disk_num, (unsigned long long)
4478 sas_device.sas_address);
4479
4480 vtarget->id = hot_plug_info->phys_disk_num;
4481 vtarget->tflags |= MPT_TARGET_FLAGS_RAID_COMPONENT;
4482 phy_info->attached.phys_disk_num = hot_plug_info->phys_disk_num;
4483 mptsas_reprobe_target(starget, 1);
4484 break;
4485
4486 case MPTSAS_DEL_PHYSDISK_REPROBE:
4487
4488 if (mptsas_sas_device_pg0(ioc, &sas_device,
4489 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
4490 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
4491 (hot_plug_info->channel << 8) + hot_plug_info->id)) {
4492 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4493 "%s: fw_id=%d exit at line=%d\n",
4494 ioc->name, __func__,
4495 hot_plug_info->id, __LINE__));
4496 break;
4497 }
4498
4499 /* If there is no FW B_T mapping for this device then break
4500 * */
4501 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
4502 || !(sas_device.flags &
4503 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
4504 break;
4505
4506 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
4507 sas_device.sas_address);
4508 if (!phy_info) {
4509 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4510 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4511 __func__, hot_plug_info->id, __LINE__));
4512 break;
4513 }
4514
4515 starget = mptsas_get_starget(phy_info);
4516 if (!starget) {
4517 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4518 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4519 __func__, hot_plug_info->id, __LINE__));
4520 break;
4521 }
4522
4523 vtarget = starget->hostdata;
4524 if (!vtarget) {
4525 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4526 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4527 __func__, hot_plug_info->id, __LINE__));
4528 break;
4529 }
4530
4531 if (!(vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)) {
4532 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
4533 "%s: fw_id=%d exit at line=%d\n", ioc->name,
4534 __func__, hot_plug_info->id, __LINE__));
4535 break;
4536 }
4537
4538 mpt_findImVolumes(ioc);
4539
4540 starget_printk(KERN_INFO, starget, MYIOC_s_FMT "RAID Exposing:"
4541 " fw_channel=%d, fw_id=%d, physdsk %d, sas_addr 0x%llx\n",
4542 ioc->name, hot_plug_info->channel, hot_plug_info->id,
4543 hot_plug_info->phys_disk_num, (unsigned long long)
4544 sas_device.sas_address);
4545
4546 vtarget->tflags &= ~MPT_TARGET_FLAGS_RAID_COMPONENT;
4547 vtarget->id = hot_plug_info->id;
4548 phy_info->attached.phys_disk_num = ~0;
4549 mptsas_reprobe_target(starget, 0);
4550 mptsas_add_device_component_by_fw(ioc,
4551 hot_plug_info->channel, hot_plug_info->id);
4552 break;
4553
4554 case MPTSAS_ADD_RAID:
4555
4556 mpt_findImVolumes(ioc);
4557 printk(MYIOC_s_INFO_FMT "attaching raid volume, channel %d, "
4558 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL,
4559 hot_plug_info->id);
4560 scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL,
4561 hot_plug_info->id, 0);
4562 break;
4563
4564 case MPTSAS_DEL_RAID:
4565
4566 mpt_findImVolumes(ioc);
4567 printk(MYIOC_s_INFO_FMT "removing raid volume, channel %d, "
4568 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL,
4569 hot_plug_info->id);
4570 scsi_remove_device(hot_plug_info->sdev);
4571 scsi_device_put(hot_plug_info->sdev);
4572 break;
4573
4574 case MPTSAS_ADD_INACTIVE_VOLUME:
4575
4576 mpt_findImVolumes(ioc);
4577 mptsas_adding_inactive_raid_components(ioc,
4578 hot_plug_info->channel, hot_plug_info->id);
4579 break;
4580
4581 default:
4582 break;
4583 }
4584
4585 mptsas_free_fw_event(ioc, fw_event);
4586}
4587
4588static void
4589mptsas_send_sas_event(struct fw_event_work *fw_event)
4590{
4591 MPT_ADAPTER *ioc;
4592 struct mptsas_hotplug_event hot_plug_info;
4593 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data;
4594 u32 device_info;
4595 u64 sas_address;
4596
4597 ioc = fw_event->ioc;
4598 sas_event_data = (EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *)
4599 fw_event->event_data;
4600 device_info = le32_to_cpu(sas_event_data->DeviceInfo);
4601
4602 if ((device_info &
4603 (MPI_SAS_DEVICE_INFO_SSP_TARGET |
4604 MPI_SAS_DEVICE_INFO_STP_TARGET |
4605 MPI_SAS_DEVICE_INFO_SATA_DEVICE)) == 0) {
4606 mptsas_free_fw_event(ioc, fw_event);
4607 return;
4608 }
4609
4610 if (sas_event_data->ReasonCode ==
4611 MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED) {
4612 mptbase_sas_persist_operation(ioc,
4613 MPI_SAS_OP_CLEAR_NOT_PRESENT);
4614 mptsas_free_fw_event(ioc, fw_event);
4615 return;
4616 }
4617
4618 switch (sas_event_data->ReasonCode) {
4619 case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING:
4620 case MPI_EVENT_SAS_DEV_STAT_RC_ADDED:
4621 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
4622 hot_plug_info.handle = le16_to_cpu(sas_event_data->DevHandle);
4623 hot_plug_info.channel = sas_event_data->Bus;
4624 hot_plug_info.id = sas_event_data->TargetID;
4625 hot_plug_info.phy_id = sas_event_data->PhyNum;
4626 memcpy(&sas_address, &sas_event_data->SASAddress,
4627 sizeof(u64));
4628 hot_plug_info.sas_address = le64_to_cpu(sas_address);
4629 hot_plug_info.device_info = device_info;
4630 if (sas_event_data->ReasonCode &
4631 MPI_EVENT_SAS_DEV_STAT_RC_ADDED)
4632 hot_plug_info.event_type = MPTSAS_ADD_DEVICE;
4633 else
4634 hot_plug_info.event_type = MPTSAS_DEL_DEVICE;
4635 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
4636 break;
4637
4638 case MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED:
4639 mptbase_sas_persist_operation(ioc,
4640 MPI_SAS_OP_CLEAR_NOT_PRESENT);
4641 mptsas_free_fw_event(ioc, fw_event);
4642 break;
4643
4644 case MPI_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
4645 /* TODO */
4646 case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
4647 /* TODO */
4648 default:
4649 mptsas_free_fw_event(ioc, fw_event);
4650 break;
4651 }
4652}
4653
4654static void
4655mptsas_send_raid_event(struct fw_event_work *fw_event)
4656{
4657 MPT_ADAPTER *ioc;
4658 EVENT_DATA_RAID *raid_event_data;
4659 struct mptsas_hotplug_event hot_plug_info;
4660 int status;
4661 int state;
4662 struct scsi_device *sdev = NULL;
4663 VirtDevice *vdevice = NULL;
4664 RaidPhysDiskPage0_t phys_disk;
4665
4666 ioc = fw_event->ioc;
4667 raid_event_data = (EVENT_DATA_RAID *)fw_event->event_data;
4668 status = le32_to_cpu(raid_event_data->SettingsStatus);
4669 state = (status >> 8) & 0xff;
4670
4671 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
4672 hot_plug_info.id = raid_event_data->VolumeID;
4673 hot_plug_info.channel = raid_event_data->VolumeBus;
4674 hot_plug_info.phys_disk_num = raid_event_data->PhysDiskNum;
4675
4676 if (raid_event_data->ReasonCode == MPI_EVENT_RAID_RC_VOLUME_DELETED ||
4677 raid_event_data->ReasonCode == MPI_EVENT_RAID_RC_VOLUME_CREATED ||
4678 raid_event_data->ReasonCode ==
4679 MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED) {
4680 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL,
4681 hot_plug_info.id, 0);
4682 hot_plug_info.sdev = sdev;
4683 if (sdev)
4684 vdevice = sdev->hostdata;
4685 }
4686
4687 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Entering %s: "
4688 "ReasonCode=%02x\n", ioc->name, __func__,
4689 raid_event_data->ReasonCode));
4690
4691 switch (raid_event_data->ReasonCode) {
4692 case MPI_EVENT_RAID_RC_PHYSDISK_DELETED:
4693 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK_REPROBE;
4694 break;
4695 case MPI_EVENT_RAID_RC_PHYSDISK_CREATED:
4696 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK_REPROBE;
4697 break;
4698 case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED:
4699 switch (state) {
4700 case MPI_PD_STATE_ONLINE:
4701 case MPI_PD_STATE_NOT_COMPATIBLE:
4702 mpt_raid_phys_disk_pg0(ioc,
4703 raid_event_data->PhysDiskNum, &phys_disk);
4704 hot_plug_info.id = phys_disk.PhysDiskID;
4705 hot_plug_info.channel = phys_disk.PhysDiskBus;
4706 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK;
4707 break;
4708 case MPI_PD_STATE_FAILED:
4709 case MPI_PD_STATE_MISSING:
4710 case MPI_PD_STATE_OFFLINE_AT_HOST_REQUEST:
4711 case MPI_PD_STATE_FAILED_AT_HOST_REQUEST:
4712 case MPI_PD_STATE_OFFLINE_FOR_ANOTHER_REASON:
4713 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK;
4714 break;
4715 default:
4716 break;
4717 }
4718 break;
4719 case MPI_EVENT_RAID_RC_VOLUME_DELETED:
4720 if (!sdev)
4721 break;
4722 vdevice->vtarget->deleted = 1; /* block IO */
4723 hot_plug_info.event_type = MPTSAS_DEL_RAID;
4724 break;
4725 case MPI_EVENT_RAID_RC_VOLUME_CREATED:
4726 if (sdev) {
4727 scsi_device_put(sdev);
4728 break;
4729 }
4730 hot_plug_info.event_type = MPTSAS_ADD_RAID;
4731 break;
4732 case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED:
4733 if (!(status & MPI_RAIDVOL0_STATUS_FLAG_ENABLED)) {
4734 if (!sdev)
4735 break;
4736 vdevice->vtarget->deleted = 1; /* block IO */
4737 hot_plug_info.event_type = MPTSAS_DEL_RAID;
4738 break;
4739 }
4740 switch (state) {
4741 case MPI_RAIDVOL0_STATUS_STATE_FAILED:
4742 case MPI_RAIDVOL0_STATUS_STATE_MISSING:
4743 if (!sdev)
4744 break;
4745 vdevice->vtarget->deleted = 1; /* block IO */
4746 hot_plug_info.event_type = MPTSAS_DEL_RAID;
4747 break;
4748 case MPI_RAIDVOL0_STATUS_STATE_OPTIMAL:
4749 case MPI_RAIDVOL0_STATUS_STATE_DEGRADED:
4750 if (sdev) {
4751 scsi_device_put(sdev);
4752 break;
4753 }
4754 hot_plug_info.event_type = MPTSAS_ADD_RAID;
4755 break;
4756 default:
4757 break;
4758 }
4759 break;
4760 default:
4761 break;
4762 }
4763
4764 if (hot_plug_info.event_type != MPTSAS_IGNORE_EVENT)
4765 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
4766 else
4767 mptsas_free_fw_event(ioc, fw_event);
4768}
4769
4770/**
4771 * mptsas_issue_tm - send mptsas internal tm request
4772 * @ioc: Pointer to MPT_ADAPTER structure
4773 * @type: Task Management type
4774 * @channel: channel number for task management
4775 * @id: Logical Target ID for reset (if appropriate)
4776 * @lun: Logical unit for reset (if appropriate)
4777 * @task_context: Context for the task to be aborted
4778 * @timeout: timeout for task management control
4779 * @issue_reset: set to 1 on return if reset is needed, else 0
4780 *
4781 * Return: 0 on success or -1 on failure.
4782 *
4783 */
4784static int
4785mptsas_issue_tm(MPT_ADAPTER *ioc, u8 type, u8 channel, u8 id, u64 lun,
4786 int task_context, ulong timeout, u8 *issue_reset)
4787{
4788 MPT_FRAME_HDR *mf;
4789 SCSITaskMgmt_t *pScsiTm;
4790 int retval;
4791 unsigned long timeleft;
4792
4793 *issue_reset = 0;
4794 mf = mpt_get_msg_frame(mptsasDeviceResetCtx, ioc);
4795 if (mf == NULL) {
4796 retval = -1; /* return failure */
4797 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT "TaskMgmt request: no "
4798 "msg frames!!\n", ioc->name));
4799 goto out;
4800 }
4801
4802 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request: mr = %p, "
4803 "task_type = 0x%02X,\n\t timeout = %ld, fw_channel = %d, "
4804 "fw_id = %d, lun = %lld,\n\t task_context = 0x%x\n", ioc->name, mf,
4805 type, timeout, channel, id, (unsigned long long)lun,
4806 task_context));
4807
4808 pScsiTm = (SCSITaskMgmt_t *) mf;
4809 memset(pScsiTm, 0, sizeof(SCSITaskMgmt_t));
4810 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
4811 pScsiTm->TaskType = type;
4812 pScsiTm->MsgFlags = 0;
4813 pScsiTm->TargetID = id;
4814 pScsiTm->Bus = channel;
4815 pScsiTm->ChainOffset = 0;
4816 pScsiTm->Reserved = 0;
4817 pScsiTm->Reserved1 = 0;
4818 pScsiTm->TaskMsgContext = task_context;
4819 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
4820
4821 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
4822 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
4823 retval = 0;
4824 mpt_put_msg_frame_hi_pri(mptsasDeviceResetCtx, ioc, mf);
4825
4826 /* Now wait for the command to complete */
4827 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
4828 timeout*HZ);
4829 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
4830 retval = -1; /* return failure */
4831 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
4832 "TaskMgmt request: TIMED OUT!(mr=%p)\n", ioc->name, mf));
4833 mpt_free_msg_frame(ioc, mf);
4834 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
4835 goto out;
4836 *issue_reset = 1;
4837 goto out;
4838 }
4839
4840 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
4841 retval = -1; /* return failure */
4842 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4843 "TaskMgmt request: failed with no reply\n", ioc->name));
4844 goto out;
4845 }
4846
4847 out:
4848 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
4849 return retval;
4850}
4851
4852/**
4853 * mptsas_broadcast_primitive_work - Handle broadcast primitives
4854 * @fw_event: work queue payload containing info describing the event
4855 *
4856 * This will be handled in workqueue context.
4857 */
4858static void
4859mptsas_broadcast_primitive_work(struct fw_event_work *fw_event)
4860{
4861 MPT_ADAPTER *ioc = fw_event->ioc;
4862 MPT_FRAME_HDR *mf;
4863 VirtDevice *vdevice;
4864 int ii;
4865 struct scsi_cmnd *sc;
4866 SCSITaskMgmtReply_t *pScsiTmReply;
4867 u8 issue_reset;
4868 int task_context;
4869 u8 channel, id;
4870 int lun;
4871 u32 termination_count;
4872 u32 query_count;
4873
4874 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4875 "%s - enter\n", ioc->name, __func__));
4876
4877 mutex_lock(&ioc->taskmgmt_cmds.mutex);
4878 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
4879 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
4880 mptsas_requeue_fw_event(ioc, fw_event, 1000);
4881 return;
4882 }
4883
4884 issue_reset = 0;
4885 termination_count = 0;
4886 query_count = 0;
4887 mpt_findImVolumes(ioc);
4888 pScsiTmReply = (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply;
4889
4890 for (ii = 0; ii < ioc->req_depth; ii++) {
4891 if (ioc->fw_events_off)
4892 goto out;
4893 sc = mptscsih_get_scsi_lookup(ioc, ii);
4894 if (!sc)
4895 continue;
4896 mf = MPT_INDEX_2_MFPTR(ioc, ii);
4897 if (!mf)
4898 continue;
4899 task_context = mf->u.frame.hwhdr.msgctxu.MsgContext;
4900 vdevice = sc->device->hostdata;
4901 if (!vdevice || !vdevice->vtarget)
4902 continue;
4903 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
4904 continue; /* skip hidden raid components */
4905 if (vdevice->vtarget->raidVolume)
4906 continue; /* skip hidden raid components */
4907 channel = vdevice->vtarget->channel;
4908 id = vdevice->vtarget->id;
4909 lun = vdevice->lun;
4910 if (mptsas_issue_tm(ioc, MPI_SCSITASKMGMT_TASKTYPE_QUERY_TASK,
4911 channel, id, (u64)lun, task_context, 30, &issue_reset))
4912 goto out;
4913 query_count++;
4914 termination_count +=
4915 le32_to_cpu(pScsiTmReply->TerminationCount);
4916 if ((pScsiTmReply->IOCStatus == MPI_IOCSTATUS_SUCCESS) &&
4917 (pScsiTmReply->ResponseCode ==
4918 MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED ||
4919 pScsiTmReply->ResponseCode ==
4920 MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC))
4921 continue;
4922 if (mptsas_issue_tm(ioc,
4923 MPI_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET,
4924 channel, id, (u64)lun, 0, 30, &issue_reset))
4925 goto out;
4926 termination_count +=
4927 le32_to_cpu(pScsiTmReply->TerminationCount);
4928 }
4929
4930 out:
4931 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4932 "%s - exit, query_count = %d termination_count = %d\n",
4933 ioc->name, __func__, query_count, termination_count));
4934
4935 ioc->broadcast_aen_busy = 0;
4936 mpt_clear_taskmgmt_in_progress_flag(ioc);
4937 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
4938
4939 if (issue_reset) {
4940 printk(MYIOC_s_WARN_FMT
4941 "Issuing Reset from %s!! doorbell=0x%08x\n",
4942 ioc->name, __func__, mpt_GetIocState(ioc, 0));
4943 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
4944 }
4945 mptsas_free_fw_event(ioc, fw_event);
4946}
4947
4948/*
4949 * mptsas_send_ir2_event - handle exposing hidden disk when
4950 * an inactive raid volume is added
4951 *
4952 * @ioc: Pointer to MPT_ADAPTER structure
4953 * @ir2_data
4954 *
4955 */
4956static void
4957mptsas_send_ir2_event(struct fw_event_work *fw_event)
4958{
4959 MPT_ADAPTER *ioc;
4960 struct mptsas_hotplug_event hot_plug_info;
4961 MPI_EVENT_DATA_IR2 *ir2_data;
4962 u8 reasonCode;
4963 RaidPhysDiskPage0_t phys_disk;
4964
4965 ioc = fw_event->ioc;
4966 ir2_data = (MPI_EVENT_DATA_IR2 *)fw_event->event_data;
4967 reasonCode = ir2_data->ReasonCode;
4968
4969 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Entering %s: "
4970 "ReasonCode=%02x\n", ioc->name, __func__, reasonCode));
4971
4972 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event));
4973 hot_plug_info.id = ir2_data->TargetID;
4974 hot_plug_info.channel = ir2_data->Bus;
4975 switch (reasonCode) {
4976 case MPI_EVENT_IR2_RC_FOREIGN_CFG_DETECTED:
4977 hot_plug_info.event_type = MPTSAS_ADD_INACTIVE_VOLUME;
4978 break;
4979 case MPI_EVENT_IR2_RC_DUAL_PORT_REMOVED:
4980 hot_plug_info.phys_disk_num = ir2_data->PhysDiskNum;
4981 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK;
4982 break;
4983 case MPI_EVENT_IR2_RC_DUAL_PORT_ADDED:
4984 hot_plug_info.phys_disk_num = ir2_data->PhysDiskNum;
4985 mpt_raid_phys_disk_pg0(ioc,
4986 ir2_data->PhysDiskNum, &phys_disk);
4987 hot_plug_info.id = phys_disk.PhysDiskID;
4988 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK;
4989 break;
4990 default:
4991 mptsas_free_fw_event(ioc, fw_event);
4992 return;
4993 }
4994 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info);
4995}
4996
4997static int
4998mptsas_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *reply)
4999{
5000 u32 event = le32_to_cpu(reply->Event);
5001 int event_data_sz;
5002 struct fw_event_work *fw_event;
5003 unsigned long delay;
5004
5005 if (ioc->bus_type != SAS)
5006 return 0;
5007
5008 /* events turned off due to host reset or driver unloading */
5009 if (ioc->fw_events_off)
5010 return 0;
5011
5012 delay = msecs_to_jiffies(1);
5013 switch (event) {
5014 case MPI_EVENT_SAS_BROADCAST_PRIMITIVE:
5015 {
5016 EVENT_DATA_SAS_BROADCAST_PRIMITIVE *broadcast_event_data =
5017 (EVENT_DATA_SAS_BROADCAST_PRIMITIVE *)reply->Data;
5018 if (broadcast_event_data->Primitive !=
5019 MPI_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT)
5020 return 0;
5021 if (ioc->broadcast_aen_busy)
5022 return 0;
5023 ioc->broadcast_aen_busy = 1;
5024 break;
5025 }
5026 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
5027 {
5028 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data =
5029 (EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *)reply->Data;
5030 u16 ioc_stat;
5031 ioc_stat = le16_to_cpu(reply->IOCStatus);
5032
5033 if (sas_event_data->ReasonCode ==
5034 MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING) {
5035 mptsas_target_reset_queue(ioc, sas_event_data);
5036 return 0;
5037 }
5038 if (sas_event_data->ReasonCode ==
5039 MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET &&
5040 ioc->device_missing_delay &&
5041 (ioc_stat & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)) {
5042 VirtTarget *vtarget = NULL;
5043 u8 id, channel;
5044
5045 id = sas_event_data->TargetID;
5046 channel = sas_event_data->Bus;
5047
5048 vtarget = mptsas_find_vtarget(ioc, channel, id);
5049 if (vtarget) {
5050 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5051 "LogInfo (0x%x) available for "
5052 "INTERNAL_DEVICE_RESET"
5053 "fw_id %d fw_channel %d\n", ioc->name,
5054 le32_to_cpu(reply->IOCLogInfo),
5055 id, channel));
5056 if (vtarget->raidVolume) {
5057 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5058 "Skipping Raid Volume for inDMD\n",
5059 ioc->name));
5060 } else {
5061 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5062 "Setting device flag inDMD\n",
5063 ioc->name));
5064 vtarget->inDMD = 1;
5065 }
5066
5067 }
5068
5069 }
5070
5071 break;
5072 }
5073 case MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE:
5074 {
5075 MpiEventDataSasExpanderStatusChange_t *expander_data =
5076 (MpiEventDataSasExpanderStatusChange_t *)reply->Data;
5077
5078 if (ioc->old_sas_discovery_protocal)
5079 return 0;
5080
5081 if (expander_data->ReasonCode ==
5082 MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING &&
5083 ioc->device_missing_delay)
5084 delay = HZ * ioc->device_missing_delay;
5085 break;
5086 }
5087 case MPI_EVENT_SAS_DISCOVERY:
5088 {
5089 u32 discovery_status;
5090 EventDataSasDiscovery_t *discovery_data =
5091 (EventDataSasDiscovery_t *)reply->Data;
5092
5093 discovery_status = le32_to_cpu(discovery_data->DiscoveryStatus);
5094 ioc->sas_discovery_quiesce_io = discovery_status ? 1 : 0;
5095 if (ioc->old_sas_discovery_protocal && !discovery_status)
5096 mptsas_queue_rescan(ioc);
5097 return 0;
5098 }
5099 case MPI_EVENT_INTEGRATED_RAID:
5100 case MPI_EVENT_PERSISTENT_TABLE_FULL:
5101 case MPI_EVENT_IR2:
5102 case MPI_EVENT_SAS_PHY_LINK_STATUS:
5103 case MPI_EVENT_QUEUE_FULL:
5104 break;
5105 default:
5106 return 0;
5107 }
5108
5109 event_data_sz = ((reply->MsgLength * 4) -
5110 offsetof(EventNotificationReply_t, Data));
5111 fw_event = kzalloc(sizeof(*fw_event) + event_data_sz, GFP_ATOMIC);
5112 if (!fw_event) {
5113 printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n", ioc->name,
5114 __func__, __LINE__);
5115 return 0;
5116 }
5117 memcpy(fw_event->event_data, reply->Data, event_data_sz);
5118 fw_event->event = event;
5119 fw_event->ioc = ioc;
5120 mptsas_add_fw_event(ioc, fw_event, delay);
5121 return 0;
5122}
5123
5124/* Delete a volume when no longer listed in ioc pg2
5125 */
5126static void mptsas_volume_delete(MPT_ADAPTER *ioc, u8 id)
5127{
5128 struct scsi_device *sdev;
5129 int i;
5130
5131 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL, id, 0);
5132 if (!sdev)
5133 return;
5134 if (!ioc->raid_data.pIocPg2)
5135 goto out;
5136 if (!ioc->raid_data.pIocPg2->NumActiveVolumes)
5137 goto out;
5138 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++)
5139 if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID == id)
5140 goto release_sdev;
5141 out:
5142 printk(MYIOC_s_INFO_FMT "removing raid volume, channel %d, "
5143 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL, id);
5144 scsi_remove_device(sdev);
5145 release_sdev:
5146 scsi_device_put(sdev);
5147}
5148
5149static int
5150mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
5151{
5152 struct Scsi_Host *sh;
5153 MPT_SCSI_HOST *hd;
5154 MPT_ADAPTER *ioc;
5155 unsigned long flags;
5156 int ii;
5157 int numSGE = 0;
5158 int scale;
5159 int ioc_cap;
5160 int error=0;
5161 int r;
5162
5163 r = mpt_attach(pdev,id);
5164 if (r)
5165 return r;
5166
5167 ioc = pci_get_drvdata(pdev);
5168 mptsas_fw_event_off(ioc);
5169 ioc->DoneCtx = mptsasDoneCtx;
5170 ioc->TaskCtx = mptsasTaskCtx;
5171 ioc->InternalCtx = mptsasInternalCtx;
5172 ioc->schedule_target_reset = &mptsas_schedule_target_reset;
5173 ioc->schedule_dead_ioc_flush_running_cmds =
5174 &mptscsih_flush_running_cmds;
5175 /* Added sanity check on readiness of the MPT adapter.
5176 */
5177 if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) {
5178 printk(MYIOC_s_WARN_FMT
5179 "Skipping because it's not operational!\n",
5180 ioc->name);
5181 error = -ENODEV;
5182 goto out_mptsas_probe;
5183 }
5184
5185 if (!ioc->active) {
5186 printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n",
5187 ioc->name);
5188 error = -ENODEV;
5189 goto out_mptsas_probe;
5190 }
5191
5192 /* Sanity check - ensure at least 1 port is INITIATOR capable
5193 */
5194 ioc_cap = 0;
5195 for (ii = 0; ii < ioc->facts.NumberOfPorts; ii++) {
5196 if (ioc->pfacts[ii].ProtocolFlags &
5197 MPI_PORTFACTS_PROTOCOL_INITIATOR)
5198 ioc_cap++;
5199 }
5200
5201 if (!ioc_cap) {
5202 printk(MYIOC_s_WARN_FMT
5203 "Skipping ioc=%p because SCSI Initiator mode "
5204 "is NOT enabled!\n", ioc->name, ioc);
5205 return 0;
5206 }
5207
5208 sh = scsi_host_alloc(&mptsas_driver_template, sizeof(MPT_SCSI_HOST));
5209 if (!sh) {
5210 printk(MYIOC_s_WARN_FMT
5211 "Unable to register controller with SCSI subsystem\n",
5212 ioc->name);
5213 error = -1;
5214 goto out_mptsas_probe;
5215 }
5216
5217 spin_lock_irqsave(&ioc->FreeQlock, flags);
5218
5219 /* Attach the SCSI Host to the IOC structure
5220 */
5221 ioc->sh = sh;
5222
5223 sh->io_port = 0;
5224 sh->n_io_port = 0;
5225 sh->irq = 0;
5226
5227 /* set 16 byte cdb's */
5228 sh->max_cmd_len = 16;
5229 sh->can_queue = min_t(int, ioc->req_depth - 10, sh->can_queue);
5230 sh->max_id = -1;
5231 sh->max_lun = max_lun;
5232 sh->transportt = mptsas_transport_template;
5233
5234 /* Required entry.
5235 */
5236 sh->unique_id = ioc->id;
5237
5238 INIT_LIST_HEAD(&ioc->sas_topology);
5239 mutex_init(&ioc->sas_topology_mutex);
5240 mutex_init(&ioc->sas_discovery_mutex);
5241 mutex_init(&ioc->sas_mgmt.mutex);
5242 init_completion(&ioc->sas_mgmt.done);
5243
5244 /* Verify that we won't exceed the maximum
5245 * number of chain buffers
5246 * We can optimize: ZZ = req_sz/sizeof(SGE)
5247 * For 32bit SGE's:
5248 * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ
5249 * + (req_sz - 64)/sizeof(SGE)
5250 * A slightly different algorithm is required for
5251 * 64bit SGEs.
5252 */
5253 scale = ioc->req_sz/ioc->SGE_size;
5254 if (ioc->sg_addr_size == sizeof(u64)) {
5255 numSGE = (scale - 1) *
5256 (ioc->facts.MaxChainDepth-1) + scale +
5257 (ioc->req_sz - 60) / ioc->SGE_size;
5258 } else {
5259 numSGE = 1 + (scale - 1) *
5260 (ioc->facts.MaxChainDepth-1) + scale +
5261 (ioc->req_sz - 64) / ioc->SGE_size;
5262 }
5263
5264 if (numSGE < sh->sg_tablesize) {
5265 /* Reset this value */
5266 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5267 "Resetting sg_tablesize to %d from %d\n",
5268 ioc->name, numSGE, sh->sg_tablesize));
5269 sh->sg_tablesize = numSGE;
5270 }
5271
5272 if (mpt_loadtime_max_sectors) {
5273 if (mpt_loadtime_max_sectors < 64 ||
5274 mpt_loadtime_max_sectors > 8192) {
5275 printk(MYIOC_s_INFO_FMT "Invalid value passed for"
5276 "mpt_loadtime_max_sectors %d."
5277 "Range from 64 to 8192\n", ioc->name,
5278 mpt_loadtime_max_sectors);
5279 }
5280 mpt_loadtime_max_sectors &= 0xFFFFFFFE;
5281 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5282 "Resetting max sector to %d from %d\n",
5283 ioc->name, mpt_loadtime_max_sectors, sh->max_sectors));
5284 sh->max_sectors = mpt_loadtime_max_sectors;
5285 }
5286
5287 hd = shost_priv(sh);
5288 hd->ioc = ioc;
5289
5290 /* SCSI needs scsi_cmnd lookup table!
5291 * (with size equal to req_depth*PtrSz!)
5292 */
5293 ioc->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC);
5294 if (!ioc->ScsiLookup) {
5295 error = -ENOMEM;
5296 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
5297 goto out_mptsas_probe;
5298 }
5299 spin_lock_init(&ioc->scsi_lookup_lock);
5300
5301 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n",
5302 ioc->name, ioc->ScsiLookup));
5303
5304 ioc->sas_data.ptClear = mpt_pt_clear;
5305
5306 hd->last_queue_full = 0;
5307 INIT_LIST_HEAD(&hd->target_reset_list);
5308 INIT_LIST_HEAD(&ioc->sas_device_info_list);
5309 mutex_init(&ioc->sas_device_info_mutex);
5310
5311 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
5312
5313 if (ioc->sas_data.ptClear==1) {
5314 mptbase_sas_persist_operation(
5315 ioc, MPI_SAS_OP_CLEAR_ALL_PERSISTENT);
5316 }
5317
5318 error = scsi_add_host(sh, &ioc->pcidev->dev);
5319 if (error) {
5320 dprintk(ioc, printk(MYIOC_s_ERR_FMT
5321 "scsi_add_host failed\n", ioc->name));
5322 goto out_mptsas_probe;
5323 }
5324
5325 /* older firmware doesn't support expander events */
5326 if ((ioc->facts.HeaderVersion >> 8) < 0xE)
5327 ioc->old_sas_discovery_protocal = 1;
5328 mptsas_scan_sas_topology(ioc);
5329 mptsas_fw_event_on(ioc);
5330 return 0;
5331
5332 out_mptsas_probe:
5333
5334 mptscsih_remove(pdev);
5335 return error;
5336}
5337
5338static void
5339mptsas_shutdown(struct pci_dev *pdev)
5340{
5341 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
5342
5343 mptsas_fw_event_off(ioc);
5344 mptsas_cleanup_fw_event_q(ioc);
5345}
5346
5347static void mptsas_remove(struct pci_dev *pdev)
5348{
5349 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
5350 struct mptsas_portinfo *p, *n;
5351 int i;
5352
5353 if (!ioc->sh) {
5354 printk(MYIOC_s_INFO_FMT "IOC is in Target mode\n", ioc->name);
5355 mpt_detach(pdev);
5356 return;
5357 }
5358
5359 mptsas_shutdown(pdev);
5360
5361 mptsas_del_device_components(ioc);
5362
5363 ioc->sas_discovery_ignore_events = 1;
5364 sas_remove_host(ioc->sh);
5365
5366 mutex_lock(&ioc->sas_topology_mutex);
5367 list_for_each_entry_safe(p, n, &ioc->sas_topology, list) {
5368 list_del(&p->list);
5369 for (i = 0 ; i < p->num_phys ; i++)
5370 mptsas_port_delete(ioc, p->phy_info[i].port_details);
5371
5372 kfree(p->phy_info);
5373 kfree(p);
5374 }
5375 mutex_unlock(&ioc->sas_topology_mutex);
5376 ioc->hba_port_info = NULL;
5377 mptscsih_remove(pdev);
5378}
5379
5380static const struct pci_device_id mptsas_pci_table[] = {
5381 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1064,
5382 PCI_ANY_ID, PCI_ANY_ID },
5383 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068,
5384 PCI_ANY_ID, PCI_ANY_ID },
5385 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1064E,
5386 PCI_ANY_ID, PCI_ANY_ID },
5387 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068E,
5388 PCI_ANY_ID, PCI_ANY_ID },
5389 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1078,
5390 PCI_ANY_ID, PCI_ANY_ID },
5391 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068_820XELP,
5392 PCI_ANY_ID, PCI_ANY_ID },
5393 {0} /* Terminating entry */
5394};
5395MODULE_DEVICE_TABLE(pci, mptsas_pci_table);
5396
5397
5398static struct pci_driver mptsas_driver = {
5399 .name = "mptsas",
5400 .id_table = mptsas_pci_table,
5401 .probe = mptsas_probe,
5402 .remove = mptsas_remove,
5403 .shutdown = mptsas_shutdown,
5404#ifdef CONFIG_PM
5405 .suspend = mptscsih_suspend,
5406 .resume = mptscsih_resume,
5407#endif
5408};
5409
5410static int __init
5411mptsas_init(void)
5412{
5413 int error;
5414
5415 show_mptmod_ver(my_NAME, my_VERSION);
5416
5417 mptsas_transport_template =
5418 sas_attach_transport(&mptsas_transport_functions);
5419 if (!mptsas_transport_template)
5420 return -ENODEV;
5421
5422 mptsasDoneCtx = mpt_register(mptscsih_io_done, MPTSAS_DRIVER,
5423 "mptscsih_io_done");
5424 mptsasTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSAS_DRIVER,
5425 "mptscsih_taskmgmt_complete");
5426 mptsasInternalCtx =
5427 mpt_register(mptscsih_scandv_complete, MPTSAS_DRIVER,
5428 "mptscsih_scandv_complete");
5429 mptsasMgmtCtx = mpt_register(mptsas_mgmt_done, MPTSAS_DRIVER,
5430 "mptsas_mgmt_done");
5431 mptsasDeviceResetCtx =
5432 mpt_register(mptsas_taskmgmt_complete, MPTSAS_DRIVER,
5433 "mptsas_taskmgmt_complete");
5434
5435 mpt_event_register(mptsasDoneCtx, mptsas_event_process);
5436 mpt_reset_register(mptsasDoneCtx, mptsas_ioc_reset);
5437
5438 error = pci_register_driver(&mptsas_driver);
5439 if (error)
5440 sas_release_transport(mptsas_transport_template);
5441
5442 return error;
5443}
5444
5445static void __exit
5446mptsas_exit(void)
5447{
5448 pci_unregister_driver(&mptsas_driver);
5449 sas_release_transport(mptsas_transport_template);
5450
5451 mpt_reset_deregister(mptsasDoneCtx);
5452 mpt_event_deregister(mptsasDoneCtx);
5453
5454 mpt_deregister(mptsasMgmtCtx);
5455 mpt_deregister(mptsasInternalCtx);
5456 mpt_deregister(mptsasTaskCtx);
5457 mpt_deregister(mptsasDoneCtx);
5458 mpt_deregister(mptsasDeviceResetCtx);
5459}
5460
5461module_init(mptsas_init);
5462module_exit(mptsas_exit);