2 * SAS Transport Layer for MPT (Message Passing Technology) based controllers
4 * This code is based on drivers/scsi/mpt3sas/mpt3sas_transport.c
5 * Copyright (C) 2012-2014 LSI Corporation
6 * Copyright (C) 2013-2014 Avago Technologies
7 * (mailto: MPT-FusionLinux.pdl@avagotech.com)
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2
12 * of the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
20 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
21 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
22 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
23 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
24 * solely responsible for determining the appropriateness of using and
25 * distributing the Program and assumes all risks associated with its
26 * exercise of rights under this Agreement, including but not limited to
27 * the risks and costs of program errors, damage to or loss of data,
28 * programs or equipment, and unavailability or interruption of operations.
30 * DISCLAIMER OF LIABILITY
31 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
32 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
34 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
35 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
36 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
37 * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
45 #include <linux/module.h>
46 #include <linux/kernel.h>
47 #include <linux/init.h>
48 #include <linux/errno.h>
49 #include <linux/sched.h>
50 #include <linux/workqueue.h>
51 #include <linux/delay.h>
52 #include <linux/pci.h>
54 #include <scsi/scsi.h>
55 #include <scsi/scsi_cmnd.h>
56 #include <scsi/scsi_device.h>
57 #include <scsi/scsi_host.h>
58 #include <scsi/scsi_transport_sas.h>
59 #include <scsi/scsi_dbg.h>
61 #include "mpt3sas_base.h"
64 * _transport_sas_node_find_by_sas_address - sas node search
65 * @ioc: per adapter object
66 * @sas_address: sas address of expander or sas host
67 * Context: Calling function should acquire ioc->sas_node_lock.
69 * Search for either hba phys or expander device based on handle, then returns
70 * the sas_node object.
72 static struct _sas_node
*
73 _transport_sas_node_find_by_sas_address(struct MPT3SAS_ADAPTER
*ioc
,
76 if (ioc
->sas_hba
.sas_address
== sas_address
)
79 return mpt3sas_scsih_expander_find_by_sas_address(ioc
,
84 * _transport_convert_phy_link_rate -
85 * @link_rate: link rate returned from mpt firmware
87 * Convert link_rate from mpi fusion into sas_transport form.
89 static enum sas_linkrate
90 _transport_convert_phy_link_rate(u8 link_rate
)
95 case MPI2_SAS_NEG_LINK_RATE_1_5
:
96 rc
= SAS_LINK_RATE_1_5_GBPS
;
98 case MPI2_SAS_NEG_LINK_RATE_3_0
:
99 rc
= SAS_LINK_RATE_3_0_GBPS
;
101 case MPI2_SAS_NEG_LINK_RATE_6_0
:
102 rc
= SAS_LINK_RATE_6_0_GBPS
;
104 case MPI25_SAS_NEG_LINK_RATE_12_0
:
105 rc
= SAS_LINK_RATE_12_0_GBPS
;
107 case MPI2_SAS_NEG_LINK_RATE_PHY_DISABLED
:
108 rc
= SAS_PHY_DISABLED
;
110 case MPI2_SAS_NEG_LINK_RATE_NEGOTIATION_FAILED
:
111 rc
= SAS_LINK_RATE_FAILED
;
113 case MPI2_SAS_NEG_LINK_RATE_PORT_SELECTOR
:
114 rc
= SAS_SATA_PORT_SELECTOR
;
116 case MPI2_SAS_NEG_LINK_RATE_SMP_RESET_IN_PROGRESS
:
117 rc
= SAS_PHY_RESET_IN_PROGRESS
;
121 case MPI2_SAS_NEG_LINK_RATE_SATA_OOB_COMPLETE
:
122 case MPI2_SAS_NEG_LINK_RATE_UNKNOWN_LINK_RATE
:
123 rc
= SAS_LINK_RATE_UNKNOWN
;
130 * _transport_set_identify - set identify for phys and end devices
131 * @ioc: per adapter object
132 * @handle: device handle
133 * @identify: sas identify info
135 * Populates sas identify info.
137 * Returns 0 for success, non-zero for failure.
140 _transport_set_identify(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
,
141 struct sas_identify
*identify
)
143 Mpi2SasDevicePage0_t sas_device_pg0
;
144 Mpi2ConfigReply_t mpi_reply
;
148 if (ioc
->shost_recovery
|| ioc
->pci_error_recovery
) {
149 pr_info(MPT3SAS_FMT
"%s: host reset in progress!\n",
150 __func__
, ioc
->name
);
154 if ((mpt3sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
155 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
))) {
156 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
157 ioc
->name
, __FILE__
, __LINE__
, __func__
);
161 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
163 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
165 "handle(0x%04x), ioc_status(0x%04x)\nfailure at %s:%d/%s()!\n",
166 ioc
->name
, handle
, ioc_status
,
167 __FILE__
, __LINE__
, __func__
);
171 memset(identify
, 0, sizeof(struct sas_identify
));
172 device_info
= le32_to_cpu(sas_device_pg0
.DeviceInfo
);
175 identify
->sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
177 /* phy number of the parent device this device is linked to */
178 identify
->phy_identifier
= sas_device_pg0
.PhyNum
;
181 switch (device_info
& MPI2_SAS_DEVICE_INFO_MASK_DEVICE_TYPE
) {
182 case MPI2_SAS_DEVICE_INFO_NO_DEVICE
:
183 identify
->device_type
= SAS_PHY_UNUSED
;
185 case MPI2_SAS_DEVICE_INFO_END_DEVICE
:
186 identify
->device_type
= SAS_END_DEVICE
;
188 case MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER
:
189 identify
->device_type
= SAS_EDGE_EXPANDER_DEVICE
;
191 case MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER
:
192 identify
->device_type
= SAS_FANOUT_EXPANDER_DEVICE
;
196 /* initiator_port_protocols */
197 if (device_info
& MPI2_SAS_DEVICE_INFO_SSP_INITIATOR
)
198 identify
->initiator_port_protocols
|= SAS_PROTOCOL_SSP
;
199 if (device_info
& MPI2_SAS_DEVICE_INFO_STP_INITIATOR
)
200 identify
->initiator_port_protocols
|= SAS_PROTOCOL_STP
;
201 if (device_info
& MPI2_SAS_DEVICE_INFO_SMP_INITIATOR
)
202 identify
->initiator_port_protocols
|= SAS_PROTOCOL_SMP
;
203 if (device_info
& MPI2_SAS_DEVICE_INFO_SATA_HOST
)
204 identify
->initiator_port_protocols
|= SAS_PROTOCOL_SATA
;
206 /* target_port_protocols */
207 if (device_info
& MPI2_SAS_DEVICE_INFO_SSP_TARGET
)
208 identify
->target_port_protocols
|= SAS_PROTOCOL_SSP
;
209 if (device_info
& MPI2_SAS_DEVICE_INFO_STP_TARGET
)
210 identify
->target_port_protocols
|= SAS_PROTOCOL_STP
;
211 if (device_info
& MPI2_SAS_DEVICE_INFO_SMP_TARGET
)
212 identify
->target_port_protocols
|= SAS_PROTOCOL_SMP
;
213 if (device_info
& MPI2_SAS_DEVICE_INFO_SATA_DEVICE
)
214 identify
->target_port_protocols
|= SAS_PROTOCOL_SATA
;
220 * mpt3sas_transport_done - internal transport layer callback handler.
221 * @ioc: per adapter object
222 * @smid: system request message index
223 * @msix_index: MSIX table index supplied by the OS
224 * @reply: reply message frame(lower 32bit addr)
226 * Callback handler when sending internal generated transport cmds.
227 * The callback index passed is `ioc->transport_cb_idx`
229 * Return 1 meaning mf should be freed from _base_interrupt
230 * 0 means the mf is freed from this function.
233 mpt3sas_transport_done(struct MPT3SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
,
236 MPI2DefaultReply_t
*mpi_reply
;
238 mpi_reply
= mpt3sas_base_get_reply_virt_addr(ioc
, reply
);
239 if (ioc
->transport_cmds
.status
== MPT3_CMD_NOT_USED
)
241 if (ioc
->transport_cmds
.smid
!= smid
)
243 ioc
->transport_cmds
.status
|= MPT3_CMD_COMPLETE
;
245 memcpy(ioc
->transport_cmds
.reply
, mpi_reply
,
246 mpi_reply
->MsgLength
*4);
247 ioc
->transport_cmds
.status
|= MPT3_CMD_REPLY_VALID
;
249 ioc
->transport_cmds
.status
&= ~MPT3_CMD_PENDING
;
250 complete(&ioc
->transport_cmds
.done
);
254 /* report manufacture request structure */
255 struct rep_manu_request
{
262 /* report manufacture reply structure */
263 struct rep_manu_reply
{
264 u8 smp_frame_type
; /* 0x41 */
265 u8 function
; /* 0x01 */
268 u16 expander_change_count
;
272 u8 vendor_id
[SAS_EXPANDER_VENDOR_ID_LEN
];
273 u8 product_id
[SAS_EXPANDER_PRODUCT_ID_LEN
];
274 u8 product_rev
[SAS_EXPANDER_PRODUCT_REV_LEN
];
275 u8 component_vendor_id
[SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN
];
277 u8 component_revision_id
;
279 u8 vendor_specific
[8];
283 * transport_expander_report_manufacture - obtain SMP report_manufacture
284 * @ioc: per adapter object
285 * @sas_address: expander sas address
286 * @edev: the sas_expander_device object
288 * Fills in the sas_expander_device object when SMP port is created.
290 * Returns 0 for success, non-zero for failure.
293 _transport_expander_report_manufacture(struct MPT3SAS_ADAPTER
*ioc
,
294 u64 sas_address
, struct sas_expander_device
*edev
)
296 Mpi2SmpPassthroughRequest_t
*mpi_request
;
297 Mpi2SmpPassthroughReply_t
*mpi_reply
;
298 struct rep_manu_reply
*manufacture_reply
;
299 struct rep_manu_request
*manufacture_request
;
303 unsigned long timeleft
;
306 void *data_out
= NULL
;
307 dma_addr_t data_out_dma
;
308 dma_addr_t data_in_dma
;
311 u16 wait_state_count
;
313 if (ioc
->shost_recovery
|| ioc
->pci_error_recovery
) {
314 pr_info(MPT3SAS_FMT
"%s: host reset in progress!\n",
315 __func__
, ioc
->name
);
319 mutex_lock(&ioc
->transport_cmds
.mutex
);
321 if (ioc
->transport_cmds
.status
!= MPT3_CMD_NOT_USED
) {
322 pr_err(MPT3SAS_FMT
"%s: transport_cmds in use\n",
323 ioc
->name
, __func__
);
327 ioc
->transport_cmds
.status
= MPT3_CMD_PENDING
;
329 wait_state_count
= 0;
330 ioc_state
= mpt3sas_base_get_iocstate(ioc
, 1);
331 while (ioc_state
!= MPI2_IOC_STATE_OPERATIONAL
) {
332 if (wait_state_count
++ == 10) {
334 "%s: failed due to ioc not operational\n",
335 ioc
->name
, __func__
);
340 ioc_state
= mpt3sas_base_get_iocstate(ioc
, 1);
342 "%s: waiting for operational state(count=%d)\n",
343 ioc
->name
, __func__
, wait_state_count
);
345 if (wait_state_count
)
346 pr_info(MPT3SAS_FMT
"%s: ioc is operational\n",
347 ioc
->name
, __func__
);
349 smid
= mpt3sas_base_get_smid(ioc
, ioc
->transport_cb_idx
);
351 pr_err(MPT3SAS_FMT
"%s: failed obtaining a smid\n",
352 ioc
->name
, __func__
);
358 mpi_request
= mpt3sas_base_get_msg_frame(ioc
, smid
);
359 ioc
->transport_cmds
.smid
= smid
;
361 data_out_sz
= sizeof(struct rep_manu_request
);
362 data_in_sz
= sizeof(struct rep_manu_reply
);
363 data_out
= pci_alloc_consistent(ioc
->pdev
, data_out_sz
+ data_in_sz
,
367 pr_err("failure at %s:%d/%s()!\n", __FILE__
,
370 mpt3sas_base_free_smid(ioc
, smid
);
374 data_in_dma
= data_out_dma
+ sizeof(struct rep_manu_request
);
376 manufacture_request
= data_out
;
377 manufacture_request
->smp_frame_type
= 0x40;
378 manufacture_request
->function
= 1;
379 manufacture_request
->reserved
= 0;
380 manufacture_request
->request_length
= 0;
382 memset(mpi_request
, 0, sizeof(Mpi2SmpPassthroughRequest_t
));
383 mpi_request
->Function
= MPI2_FUNCTION_SMP_PASSTHROUGH
;
384 mpi_request
->PhysicalPort
= 0xFF;
385 mpi_request
->SASAddress
= cpu_to_le64(sas_address
);
386 mpi_request
->RequestDataLength
= cpu_to_le16(data_out_sz
);
387 psge
= &mpi_request
->SGL
;
389 ioc
->build_sg(ioc
, psge
, data_out_dma
, data_out_sz
, data_in_dma
,
392 dtransportprintk(ioc
, pr_info(MPT3SAS_FMT
393 "report_manufacture - send to sas_addr(0x%016llx)\n",
394 ioc
->name
, (unsigned long long)sas_address
));
395 init_completion(&ioc
->transport_cmds
.done
);
396 mpt3sas_base_put_smid_default(ioc
, smid
);
397 timeleft
= wait_for_completion_timeout(&ioc
->transport_cmds
.done
,
400 if (!(ioc
->transport_cmds
.status
& MPT3_CMD_COMPLETE
)) {
401 pr_err(MPT3SAS_FMT
"%s: timeout\n",
402 ioc
->name
, __func__
);
403 _debug_dump_mf(mpi_request
,
404 sizeof(Mpi2SmpPassthroughRequest_t
)/4);
405 if (!(ioc
->transport_cmds
.status
& MPT3_CMD_RESET
))
407 goto issue_host_reset
;
410 dtransportprintk(ioc
, pr_info(MPT3SAS_FMT
411 "report_manufacture - complete\n", ioc
->name
));
413 if (ioc
->transport_cmds
.status
& MPT3_CMD_REPLY_VALID
) {
416 mpi_reply
= ioc
->transport_cmds
.reply
;
418 dtransportprintk(ioc
, pr_info(MPT3SAS_FMT
419 "report_manufacture - reply data transfer size(%d)\n",
420 ioc
->name
, le16_to_cpu(mpi_reply
->ResponseDataLength
)));
422 if (le16_to_cpu(mpi_reply
->ResponseDataLength
) !=
423 sizeof(struct rep_manu_reply
))
426 manufacture_reply
= data_out
+ sizeof(struct rep_manu_request
);
427 strncpy(edev
->vendor_id
, manufacture_reply
->vendor_id
,
428 SAS_EXPANDER_VENDOR_ID_LEN
);
429 strncpy(edev
->product_id
, manufacture_reply
->product_id
,
430 SAS_EXPANDER_PRODUCT_ID_LEN
);
431 strncpy(edev
->product_rev
, manufacture_reply
->product_rev
,
432 SAS_EXPANDER_PRODUCT_REV_LEN
);
433 edev
->level
= manufacture_reply
->sas_format
& 1;
435 strncpy(edev
->component_vendor_id
,
436 manufacture_reply
->component_vendor_id
,
437 SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN
);
438 tmp
= (u8
*)&manufacture_reply
->component_id
;
439 edev
->component_id
= tmp
[0] << 8 | tmp
[1];
440 edev
->component_revision_id
=
441 manufacture_reply
->component_revision_id
;
444 dtransportprintk(ioc
, pr_info(MPT3SAS_FMT
445 "report_manufacture - no reply\n", ioc
->name
));
449 mpt3sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
452 ioc
->transport_cmds
.status
= MPT3_CMD_NOT_USED
;
454 pci_free_consistent(ioc
->pdev
, data_out_sz
+ data_in_sz
,
455 data_out
, data_out_dma
);
457 mutex_unlock(&ioc
->transport_cmds
.mutex
);
463 * _transport_delete_port - helper function to removing a port
464 * @ioc: per adapter object
465 * @mpt3sas_port: mpt3sas per port object
470 _transport_delete_port(struct MPT3SAS_ADAPTER
*ioc
,
471 struct _sas_port
*mpt3sas_port
)
473 u64 sas_address
= mpt3sas_port
->remote_identify
.sas_address
;
474 enum sas_device_type device_type
=
475 mpt3sas_port
->remote_identify
.device_type
;
477 dev_printk(KERN_INFO
, &mpt3sas_port
->port
->dev
,
478 "remove: sas_addr(0x%016llx)\n",
479 (unsigned long long) sas_address
);
481 ioc
->logging_level
|= MPT_DEBUG_TRANSPORT
;
482 if (device_type
== SAS_END_DEVICE
)
483 mpt3sas_device_remove_by_sas_address(ioc
, sas_address
);
484 else if (device_type
== SAS_EDGE_EXPANDER_DEVICE
||
485 device_type
== SAS_FANOUT_EXPANDER_DEVICE
)
486 mpt3sas_expander_remove(ioc
, sas_address
);
487 ioc
->logging_level
&= ~MPT_DEBUG_TRANSPORT
;
491 * _transport_delete_phy - helper function to removing single phy from port
492 * @ioc: per adapter object
493 * @mpt3sas_port: mpt3sas per port object
494 * @mpt3sas_phy: mpt3sas per phy object
499 _transport_delete_phy(struct MPT3SAS_ADAPTER
*ioc
,
500 struct _sas_port
*mpt3sas_port
, struct _sas_phy
*mpt3sas_phy
)
502 u64 sas_address
= mpt3sas_port
->remote_identify
.sas_address
;
504 dev_printk(KERN_INFO
, &mpt3sas_phy
->phy
->dev
,
505 "remove: sas_addr(0x%016llx), phy(%d)\n",
506 (unsigned long long) sas_address
, mpt3sas_phy
->phy_id
);
508 list_del(&mpt3sas_phy
->port_siblings
);
509 mpt3sas_port
->num_phys
--;
510 sas_port_delete_phy(mpt3sas_port
->port
, mpt3sas_phy
->phy
);
511 mpt3sas_phy
->phy_belongs_to_port
= 0;
515 * _transport_add_phy - helper function to adding single phy to port
516 * @ioc: per adapter object
517 * @mpt3sas_port: mpt3sas per port object
518 * @mpt3sas_phy: mpt3sas per phy object
523 _transport_add_phy(struct MPT3SAS_ADAPTER
*ioc
, struct _sas_port
*mpt3sas_port
,
524 struct _sas_phy
*mpt3sas_phy
)
526 u64 sas_address
= mpt3sas_port
->remote_identify
.sas_address
;
528 dev_printk(KERN_INFO
, &mpt3sas_phy
->phy
->dev
,
529 "add: sas_addr(0x%016llx), phy(%d)\n", (unsigned long long)
530 sas_address
, mpt3sas_phy
->phy_id
);
532 list_add_tail(&mpt3sas_phy
->port_siblings
, &mpt3sas_port
->phy_list
);
533 mpt3sas_port
->num_phys
++;
534 sas_port_add_phy(mpt3sas_port
->port
, mpt3sas_phy
->phy
);
535 mpt3sas_phy
->phy_belongs_to_port
= 1;
539 * _transport_add_phy_to_an_existing_port - adding new phy to existing port
540 * @ioc: per adapter object
541 * @sas_node: sas node object (either expander or sas host)
542 * @mpt3sas_phy: mpt3sas per phy object
543 * @sas_address: sas address of device/expander were phy needs to be added to
548 _transport_add_phy_to_an_existing_port(struct MPT3SAS_ADAPTER
*ioc
,
549 struct _sas_node
*sas_node
, struct _sas_phy
*mpt3sas_phy
,
552 struct _sas_port
*mpt3sas_port
;
553 struct _sas_phy
*phy_srch
;
555 if (mpt3sas_phy
->phy_belongs_to_port
== 1)
558 list_for_each_entry(mpt3sas_port
, &sas_node
->sas_port_list
,
560 if (mpt3sas_port
->remote_identify
.sas_address
!=
563 list_for_each_entry(phy_srch
, &mpt3sas_port
->phy_list
,
565 if (phy_srch
== mpt3sas_phy
)
568 _transport_add_phy(ioc
, mpt3sas_port
, mpt3sas_phy
);
575 * _transport_del_phy_from_an_existing_port - delete phy from existing port
576 * @ioc: per adapter object
577 * @sas_node: sas node object (either expander or sas host)
578 * @mpt3sas_phy: mpt3sas per phy object
583 _transport_del_phy_from_an_existing_port(struct MPT3SAS_ADAPTER
*ioc
,
584 struct _sas_node
*sas_node
, struct _sas_phy
*mpt3sas_phy
)
586 struct _sas_port
*mpt3sas_port
, *next
;
587 struct _sas_phy
*phy_srch
;
589 if (mpt3sas_phy
->phy_belongs_to_port
== 0)
592 list_for_each_entry_safe(mpt3sas_port
, next
, &sas_node
->sas_port_list
,
594 list_for_each_entry(phy_srch
, &mpt3sas_port
->phy_list
,
596 if (phy_srch
!= mpt3sas_phy
)
599 if (mpt3sas_port
->num_phys
== 1)
600 _transport_delete_port(ioc
, mpt3sas_port
);
602 _transport_delete_phy(ioc
, mpt3sas_port
,
610 * _transport_sanity_check - sanity check when adding a new port
611 * @ioc: per adapter object
612 * @sas_node: sas node object (either expander or sas host)
613 * @sas_address: sas address of device being added
615 * See the explanation above from _transport_delete_duplicate_port
618 _transport_sanity_check(struct MPT3SAS_ADAPTER
*ioc
, struct _sas_node
*sas_node
,
623 for (i
= 0; i
< sas_node
->num_phys
; i
++) {
624 if (sas_node
->phy
[i
].remote_identify
.sas_address
!= sas_address
)
626 if (sas_node
->phy
[i
].phy_belongs_to_port
== 1)
627 _transport_del_phy_from_an_existing_port(ioc
, sas_node
,
633 * mpt3sas_transport_port_add - insert port to the list
634 * @ioc: per adapter object
635 * @handle: handle of attached device
636 * @sas_address: sas address of parent expander or sas host
637 * Context: This function will acquire ioc->sas_node_lock.
639 * Adding new port object to the sas_node->sas_port_list.
641 * Returns mpt3sas_port.
644 mpt3sas_transport_port_add(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
,
647 struct _sas_phy
*mpt3sas_phy
, *next
;
648 struct _sas_port
*mpt3sas_port
;
650 struct _sas_node
*sas_node
;
651 struct sas_rphy
*rphy
;
652 struct _sas_device
*sas_device
= NULL
;
654 struct sas_port
*port
;
656 mpt3sas_port
= kzalloc(sizeof(struct _sas_port
),
659 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
660 ioc
->name
, __FILE__
, __LINE__
, __func__
);
664 INIT_LIST_HEAD(&mpt3sas_port
->port_list
);
665 INIT_LIST_HEAD(&mpt3sas_port
->phy_list
);
666 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
667 sas_node
= _transport_sas_node_find_by_sas_address(ioc
, sas_address
);
668 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
672 "%s: Could not find parent sas_address(0x%016llx)!\n",
673 ioc
->name
, __func__
, (unsigned long long)sas_address
);
677 if ((_transport_set_identify(ioc
, handle
,
678 &mpt3sas_port
->remote_identify
))) {
679 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
680 ioc
->name
, __FILE__
, __LINE__
, __func__
);
684 if (mpt3sas_port
->remote_identify
.device_type
== SAS_PHY_UNUSED
) {
685 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
686 ioc
->name
, __FILE__
, __LINE__
, __func__
);
690 _transport_sanity_check(ioc
, sas_node
,
691 mpt3sas_port
->remote_identify
.sas_address
);
693 for (i
= 0; i
< sas_node
->num_phys
; i
++) {
694 if (sas_node
->phy
[i
].remote_identify
.sas_address
!=
695 mpt3sas_port
->remote_identify
.sas_address
)
697 list_add_tail(&sas_node
->phy
[i
].port_siblings
,
698 &mpt3sas_port
->phy_list
);
699 mpt3sas_port
->num_phys
++;
702 if (!mpt3sas_port
->num_phys
) {
703 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
704 ioc
->name
, __FILE__
, __LINE__
, __func__
);
708 if (!sas_node
->parent_dev
) {
709 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
710 ioc
->name
, __FILE__
, __LINE__
, __func__
);
713 port
= sas_port_alloc_num(sas_node
->parent_dev
);
714 if ((sas_port_add(port
))) {
715 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
716 ioc
->name
, __FILE__
, __LINE__
, __func__
);
720 list_for_each_entry(mpt3sas_phy
, &mpt3sas_port
->phy_list
,
722 if ((ioc
->logging_level
& MPT_DEBUG_TRANSPORT
))
723 dev_printk(KERN_INFO
, &port
->dev
,
724 "add: handle(0x%04x), sas_addr(0x%016llx), phy(%d)\n",
725 handle
, (unsigned long long)
726 mpt3sas_port
->remote_identify
.sas_address
,
727 mpt3sas_phy
->phy_id
);
728 sas_port_add_phy(port
, mpt3sas_phy
->phy
);
729 mpt3sas_phy
->phy_belongs_to_port
= 1;
732 mpt3sas_port
->port
= port
;
733 if (mpt3sas_port
->remote_identify
.device_type
== SAS_END_DEVICE
)
734 rphy
= sas_end_device_alloc(port
);
736 rphy
= sas_expander_alloc(port
,
737 mpt3sas_port
->remote_identify
.device_type
);
739 rphy
->identify
= mpt3sas_port
->remote_identify
;
741 if (mpt3sas_port
->remote_identify
.device_type
== SAS_END_DEVICE
) {
742 sas_device
= mpt3sas_get_sdev_by_addr(ioc
,
743 mpt3sas_port
->remote_identify
.sas_address
);
745 dfailprintk(ioc
, printk(MPT3SAS_FMT
746 "failure at %s:%d/%s()!\n",
747 ioc
->name
, __FILE__
, __LINE__
, __func__
));
750 sas_device
->pend_sas_rphy_add
= 1;
753 if ((sas_rphy_add(rphy
))) {
754 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
755 ioc
->name
, __FILE__
, __LINE__
, __func__
);
758 if (mpt3sas_port
->remote_identify
.device_type
== SAS_END_DEVICE
) {
759 sas_device
->pend_sas_rphy_add
= 0;
760 sas_device_put(sas_device
);
763 if ((ioc
->logging_level
& MPT_DEBUG_TRANSPORT
))
764 dev_printk(KERN_INFO
, &rphy
->dev
,
765 "add: handle(0x%04x), sas_addr(0x%016llx)\n",
766 handle
, (unsigned long long)
767 mpt3sas_port
->remote_identify
.sas_address
);
768 mpt3sas_port
->rphy
= rphy
;
769 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
770 list_add_tail(&mpt3sas_port
->port_list
, &sas_node
->sas_port_list
);
771 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
773 /* fill in report manufacture */
774 if (mpt3sas_port
->remote_identify
.device_type
==
775 MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER
||
776 mpt3sas_port
->remote_identify
.device_type
==
777 MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER
)
778 _transport_expander_report_manufacture(ioc
,
779 mpt3sas_port
->remote_identify
.sas_address
,
780 rphy_to_expander_device(rphy
));
784 list_for_each_entry_safe(mpt3sas_phy
, next
, &mpt3sas_port
->phy_list
,
786 list_del(&mpt3sas_phy
->port_siblings
);
792 * mpt3sas_transport_port_remove - remove port from the list
793 * @ioc: per adapter object
794 * @sas_address: sas address of attached device
795 * @sas_address_parent: sas address of parent expander or sas host
796 * Context: This function will acquire ioc->sas_node_lock.
798 * Removing object and freeing associated memory from the
799 * ioc->sas_port_list.
804 mpt3sas_transport_port_remove(struct MPT3SAS_ADAPTER
*ioc
, u64 sas_address
,
805 u64 sas_address_parent
)
809 struct _sas_port
*mpt3sas_port
, *next
;
810 struct _sas_node
*sas_node
;
812 struct _sas_phy
*mpt3sas_phy
, *next_phy
;
814 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
815 sas_node
= _transport_sas_node_find_by_sas_address(ioc
,
818 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
821 list_for_each_entry_safe(mpt3sas_port
, next
, &sas_node
->sas_port_list
,
823 if (mpt3sas_port
->remote_identify
.sas_address
!= sas_address
)
826 list_del(&mpt3sas_port
->port_list
);
831 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
835 for (i
= 0; i
< sas_node
->num_phys
; i
++) {
836 if (sas_node
->phy
[i
].remote_identify
.sas_address
== sas_address
)
837 memset(&sas_node
->phy
[i
].remote_identify
, 0 ,
838 sizeof(struct sas_identify
));
841 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
843 list_for_each_entry_safe(mpt3sas_phy
, next_phy
,
844 &mpt3sas_port
->phy_list
, port_siblings
) {
845 if ((ioc
->logging_level
& MPT_DEBUG_TRANSPORT
))
846 dev_printk(KERN_INFO
, &mpt3sas_port
->port
->dev
,
847 "remove: sas_addr(0x%016llx), phy(%d)\n",
849 mpt3sas_port
->remote_identify
.sas_address
,
850 mpt3sas_phy
->phy_id
);
851 mpt3sas_phy
->phy_belongs_to_port
= 0;
852 sas_port_delete_phy(mpt3sas_port
->port
, mpt3sas_phy
->phy
);
853 list_del(&mpt3sas_phy
->port_siblings
);
855 sas_port_delete(mpt3sas_port
->port
);
860 * mpt3sas_transport_add_host_phy - report sas_host phy to transport
861 * @ioc: per adapter object
862 * @mpt3sas_phy: mpt3sas per phy object
863 * @phy_pg0: sas phy page 0
864 * @parent_dev: parent device class object
866 * Returns 0 for success, non-zero for failure.
869 mpt3sas_transport_add_host_phy(struct MPT3SAS_ADAPTER
*ioc
, struct _sas_phy
870 *mpt3sas_phy
, Mpi2SasPhyPage0_t phy_pg0
, struct device
*parent_dev
)
873 int phy_index
= mpt3sas_phy
->phy_id
;
876 INIT_LIST_HEAD(&mpt3sas_phy
->port_siblings
);
877 phy
= sas_phy_alloc(parent_dev
, phy_index
);
879 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
880 ioc
->name
, __FILE__
, __LINE__
, __func__
);
883 if ((_transport_set_identify(ioc
, mpt3sas_phy
->handle
,
884 &mpt3sas_phy
->identify
))) {
885 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
886 ioc
->name
, __FILE__
, __LINE__
, __func__
);
890 phy
->identify
= mpt3sas_phy
->identify
;
891 mpt3sas_phy
->attached_handle
= le16_to_cpu(phy_pg0
.AttachedDevHandle
);
892 if (mpt3sas_phy
->attached_handle
)
893 _transport_set_identify(ioc
, mpt3sas_phy
->attached_handle
,
894 &mpt3sas_phy
->remote_identify
);
895 phy
->identify
.phy_identifier
= mpt3sas_phy
->phy_id
;
896 phy
->negotiated_linkrate
= _transport_convert_phy_link_rate(
897 phy_pg0
.NegotiatedLinkRate
& MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL
);
898 phy
->minimum_linkrate_hw
= _transport_convert_phy_link_rate(
899 phy_pg0
.HwLinkRate
& MPI2_SAS_HWRATE_MIN_RATE_MASK
);
900 phy
->maximum_linkrate_hw
= _transport_convert_phy_link_rate(
901 phy_pg0
.HwLinkRate
>> 4);
902 phy
->minimum_linkrate
= _transport_convert_phy_link_rate(
903 phy_pg0
.ProgrammedLinkRate
& MPI2_SAS_PRATE_MIN_RATE_MASK
);
904 phy
->maximum_linkrate
= _transport_convert_phy_link_rate(
905 phy_pg0
.ProgrammedLinkRate
>> 4);
907 if ((sas_phy_add(phy
))) {
908 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
909 ioc
->name
, __FILE__
, __LINE__
, __func__
);
913 if ((ioc
->logging_level
& MPT_DEBUG_TRANSPORT
))
914 dev_printk(KERN_INFO
, &phy
->dev
,
915 "add: handle(0x%04x), sas_addr(0x%016llx)\n"
916 "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n",
917 mpt3sas_phy
->handle
, (unsigned long long)
918 mpt3sas_phy
->identify
.sas_address
,
919 mpt3sas_phy
->attached_handle
,
921 mpt3sas_phy
->remote_identify
.sas_address
);
922 mpt3sas_phy
->phy
= phy
;
928 * mpt3sas_transport_add_expander_phy - report expander phy to transport
929 * @ioc: per adapter object
930 * @mpt3sas_phy: mpt3sas per phy object
931 * @expander_pg1: expander page 1
932 * @parent_dev: parent device class object
934 * Returns 0 for success, non-zero for failure.
937 mpt3sas_transport_add_expander_phy(struct MPT3SAS_ADAPTER
*ioc
, struct _sas_phy
938 *mpt3sas_phy
, Mpi2ExpanderPage1_t expander_pg1
,
939 struct device
*parent_dev
)
942 int phy_index
= mpt3sas_phy
->phy_id
;
944 INIT_LIST_HEAD(&mpt3sas_phy
->port_siblings
);
945 phy
= sas_phy_alloc(parent_dev
, phy_index
);
947 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
948 ioc
->name
, __FILE__
, __LINE__
, __func__
);
951 if ((_transport_set_identify(ioc
, mpt3sas_phy
->handle
,
952 &mpt3sas_phy
->identify
))) {
953 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
954 ioc
->name
, __FILE__
, __LINE__
, __func__
);
958 phy
->identify
= mpt3sas_phy
->identify
;
959 mpt3sas_phy
->attached_handle
=
960 le16_to_cpu(expander_pg1
.AttachedDevHandle
);
961 if (mpt3sas_phy
->attached_handle
)
962 _transport_set_identify(ioc
, mpt3sas_phy
->attached_handle
,
963 &mpt3sas_phy
->remote_identify
);
964 phy
->identify
.phy_identifier
= mpt3sas_phy
->phy_id
;
965 phy
->negotiated_linkrate
= _transport_convert_phy_link_rate(
966 expander_pg1
.NegotiatedLinkRate
&
967 MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL
);
968 phy
->minimum_linkrate_hw
= _transport_convert_phy_link_rate(
969 expander_pg1
.HwLinkRate
& MPI2_SAS_HWRATE_MIN_RATE_MASK
);
970 phy
->maximum_linkrate_hw
= _transport_convert_phy_link_rate(
971 expander_pg1
.HwLinkRate
>> 4);
972 phy
->minimum_linkrate
= _transport_convert_phy_link_rate(
973 expander_pg1
.ProgrammedLinkRate
& MPI2_SAS_PRATE_MIN_RATE_MASK
);
974 phy
->maximum_linkrate
= _transport_convert_phy_link_rate(
975 expander_pg1
.ProgrammedLinkRate
>> 4);
977 if ((sas_phy_add(phy
))) {
978 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
979 ioc
->name
, __FILE__
, __LINE__
, __func__
);
983 if ((ioc
->logging_level
& MPT_DEBUG_TRANSPORT
))
984 dev_printk(KERN_INFO
, &phy
->dev
,
985 "add: handle(0x%04x), sas_addr(0x%016llx)\n"
986 "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n",
987 mpt3sas_phy
->handle
, (unsigned long long)
988 mpt3sas_phy
->identify
.sas_address
,
989 mpt3sas_phy
->attached_handle
,
991 mpt3sas_phy
->remote_identify
.sas_address
);
992 mpt3sas_phy
->phy
= phy
;
997 * mpt3sas_transport_update_links - refreshing phy link changes
998 * @ioc: per adapter object
999 * @sas_address: sas address of parent expander or sas host
1000 * @handle: attached device handle
1001 * @phy_numberv: phy number
1002 * @link_rate: new link rate
1007 mpt3sas_transport_update_links(struct MPT3SAS_ADAPTER
*ioc
,
1008 u64 sas_address
, u16 handle
, u8 phy_number
, u8 link_rate
)
1010 unsigned long flags
;
1011 struct _sas_node
*sas_node
;
1012 struct _sas_phy
*mpt3sas_phy
;
1014 if (ioc
->shost_recovery
|| ioc
->pci_error_recovery
)
1017 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
1018 sas_node
= _transport_sas_node_find_by_sas_address(ioc
, sas_address
);
1020 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
1024 mpt3sas_phy
= &sas_node
->phy
[phy_number
];
1025 mpt3sas_phy
->attached_handle
= handle
;
1026 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
1027 if (handle
&& (link_rate
>= MPI2_SAS_NEG_LINK_RATE_1_5
)) {
1028 _transport_set_identify(ioc
, handle
,
1029 &mpt3sas_phy
->remote_identify
);
1030 _transport_add_phy_to_an_existing_port(ioc
, sas_node
,
1031 mpt3sas_phy
, mpt3sas_phy
->remote_identify
.sas_address
);
1033 memset(&mpt3sas_phy
->remote_identify
, 0 , sizeof(struct
1036 if (mpt3sas_phy
->phy
)
1037 mpt3sas_phy
->phy
->negotiated_linkrate
=
1038 _transport_convert_phy_link_rate(link_rate
);
1040 if ((ioc
->logging_level
& MPT_DEBUG_TRANSPORT
))
1041 dev_printk(KERN_INFO
, &mpt3sas_phy
->phy
->dev
,
1042 "refresh: parent sas_addr(0x%016llx),\n"
1043 "\tlink_rate(0x%02x), phy(%d)\n"
1044 "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n",
1045 (unsigned long long)sas_address
,
1046 link_rate
, phy_number
, handle
, (unsigned long long)
1047 mpt3sas_phy
->remote_identify
.sas_address
);
1050 static inline void *
1051 phy_to_ioc(struct sas_phy
*phy
)
1053 struct Scsi_Host
*shost
= dev_to_shost(phy
->dev
.parent
);
1054 return shost_priv(shost
);
1057 static inline void *
1058 rphy_to_ioc(struct sas_rphy
*rphy
)
1060 struct Scsi_Host
*shost
= dev_to_shost(rphy
->dev
.parent
->parent
);
1061 return shost_priv(shost
);
1064 /* report phy error log structure */
1065 struct phy_error_log_request
{
1066 u8 smp_frame_type
; /* 0x40 */
1067 u8 function
; /* 0x11 */
1068 u8 allocated_response_length
;
1069 u8 request_length
; /* 02 */
1075 /* report phy error log reply structure */
1076 struct phy_error_log_reply
{
1077 u8 smp_frame_type
; /* 0x41 */
1078 u8 function
; /* 0x11 */
1081 __be16 expander_change_count
;
1085 __be32 invalid_dword
;
1086 __be32 running_disparity_error
;
1087 __be32 loss_of_dword_sync
;
1088 __be32 phy_reset_problem
;
1092 * _transport_get_expander_phy_error_log - return expander counters
1093 * @ioc: per adapter object
1094 * @phy: The sas phy object
1096 * Returns 0 for success, non-zero for failure.
1100 _transport_get_expander_phy_error_log(struct MPT3SAS_ADAPTER
*ioc
,
1101 struct sas_phy
*phy
)
1103 Mpi2SmpPassthroughRequest_t
*mpi_request
;
1104 Mpi2SmpPassthroughReply_t
*mpi_reply
;
1105 struct phy_error_log_request
*phy_error_log_request
;
1106 struct phy_error_log_reply
*phy_error_log_reply
;
1110 unsigned long timeleft
;
1113 void *data_out
= NULL
;
1114 dma_addr_t data_out_dma
;
1116 u16 wait_state_count
;
1118 if (ioc
->shost_recovery
|| ioc
->pci_error_recovery
) {
1119 pr_info(MPT3SAS_FMT
"%s: host reset in progress!\n",
1120 __func__
, ioc
->name
);
1124 mutex_lock(&ioc
->transport_cmds
.mutex
);
1126 if (ioc
->transport_cmds
.status
!= MPT3_CMD_NOT_USED
) {
1127 pr_err(MPT3SAS_FMT
"%s: transport_cmds in use\n",
1128 ioc
->name
, __func__
);
1132 ioc
->transport_cmds
.status
= MPT3_CMD_PENDING
;
1134 wait_state_count
= 0;
1135 ioc_state
= mpt3sas_base_get_iocstate(ioc
, 1);
1136 while (ioc_state
!= MPI2_IOC_STATE_OPERATIONAL
) {
1137 if (wait_state_count
++ == 10) {
1139 "%s: failed due to ioc not operational\n",
1140 ioc
->name
, __func__
);
1145 ioc_state
= mpt3sas_base_get_iocstate(ioc
, 1);
1147 "%s: waiting for operational state(count=%d)\n",
1148 ioc
->name
, __func__
, wait_state_count
);
1150 if (wait_state_count
)
1151 pr_info(MPT3SAS_FMT
"%s: ioc is operational\n",
1152 ioc
->name
, __func__
);
1154 smid
= mpt3sas_base_get_smid(ioc
, ioc
->transport_cb_idx
);
1156 pr_err(MPT3SAS_FMT
"%s: failed obtaining a smid\n",
1157 ioc
->name
, __func__
);
1162 mpi_request
= mpt3sas_base_get_msg_frame(ioc
, smid
);
1163 ioc
->transport_cmds
.smid
= smid
;
1165 sz
= sizeof(struct phy_error_log_request
) +
1166 sizeof(struct phy_error_log_reply
);
1167 data_out
= pci_alloc_consistent(ioc
->pdev
, sz
, &data_out_dma
);
1169 pr_err("failure at %s:%d/%s()!\n", __FILE__
,
1170 __LINE__
, __func__
);
1172 mpt3sas_base_free_smid(ioc
, smid
);
1177 memset(data_out
, 0, sz
);
1178 phy_error_log_request
= data_out
;
1179 phy_error_log_request
->smp_frame_type
= 0x40;
1180 phy_error_log_request
->function
= 0x11;
1181 phy_error_log_request
->request_length
= 2;
1182 phy_error_log_request
->allocated_response_length
= 0;
1183 phy_error_log_request
->phy_identifier
= phy
->number
;
1185 memset(mpi_request
, 0, sizeof(Mpi2SmpPassthroughRequest_t
));
1186 mpi_request
->Function
= MPI2_FUNCTION_SMP_PASSTHROUGH
;
1187 mpi_request
->PhysicalPort
= 0xFF;
1188 mpi_request
->VF_ID
= 0; /* TODO */
1189 mpi_request
->VP_ID
= 0;
1190 mpi_request
->SASAddress
= cpu_to_le64(phy
->identify
.sas_address
);
1191 mpi_request
->RequestDataLength
=
1192 cpu_to_le16(sizeof(struct phy_error_log_request
));
1193 psge
= &mpi_request
->SGL
;
1195 ioc
->build_sg(ioc
, psge
, data_out_dma
,
1196 sizeof(struct phy_error_log_request
),
1197 data_out_dma
+ sizeof(struct phy_error_log_request
),
1198 sizeof(struct phy_error_log_reply
));
1200 dtransportprintk(ioc
, pr_info(MPT3SAS_FMT
1201 "phy_error_log - send to sas_addr(0x%016llx), phy(%d)\n",
1202 ioc
->name
, (unsigned long long)phy
->identify
.sas_address
,
1204 init_completion(&ioc
->transport_cmds
.done
);
1205 mpt3sas_base_put_smid_default(ioc
, smid
);
1206 timeleft
= wait_for_completion_timeout(&ioc
->transport_cmds
.done
,
1209 if (!(ioc
->transport_cmds
.status
& MPT3_CMD_COMPLETE
)) {
1210 pr_err(MPT3SAS_FMT
"%s: timeout\n",
1211 ioc
->name
, __func__
);
1212 _debug_dump_mf(mpi_request
,
1213 sizeof(Mpi2SmpPassthroughRequest_t
)/4);
1214 if (!(ioc
->transport_cmds
.status
& MPT3_CMD_RESET
))
1216 goto issue_host_reset
;
1219 dtransportprintk(ioc
, pr_info(MPT3SAS_FMT
1220 "phy_error_log - complete\n", ioc
->name
));
1222 if (ioc
->transport_cmds
.status
& MPT3_CMD_REPLY_VALID
) {
1224 mpi_reply
= ioc
->transport_cmds
.reply
;
1226 dtransportprintk(ioc
, pr_info(MPT3SAS_FMT
1227 "phy_error_log - reply data transfer size(%d)\n",
1228 ioc
->name
, le16_to_cpu(mpi_reply
->ResponseDataLength
)));
1230 if (le16_to_cpu(mpi_reply
->ResponseDataLength
) !=
1231 sizeof(struct phy_error_log_reply
))
1234 phy_error_log_reply
= data_out
+
1235 sizeof(struct phy_error_log_request
);
1237 dtransportprintk(ioc
, pr_info(MPT3SAS_FMT
1238 "phy_error_log - function_result(%d)\n",
1239 ioc
->name
, phy_error_log_reply
->function_result
));
1241 phy
->invalid_dword_count
=
1242 be32_to_cpu(phy_error_log_reply
->invalid_dword
);
1243 phy
->running_disparity_error_count
=
1244 be32_to_cpu(phy_error_log_reply
->running_disparity_error
);
1245 phy
->loss_of_dword_sync_count
=
1246 be32_to_cpu(phy_error_log_reply
->loss_of_dword_sync
);
1247 phy
->phy_reset_problem_count
=
1248 be32_to_cpu(phy_error_log_reply
->phy_reset_problem
);
1251 dtransportprintk(ioc
, pr_info(MPT3SAS_FMT
1252 "phy_error_log - no reply\n", ioc
->name
));
1256 mpt3sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
1259 ioc
->transport_cmds
.status
= MPT3_CMD_NOT_USED
;
1261 pci_free_consistent(ioc
->pdev
, sz
, data_out
, data_out_dma
);
1263 mutex_unlock(&ioc
->transport_cmds
.mutex
);
1268 * _transport_get_linkerrors - return phy counters for both hba and expanders
1269 * @phy: The sas phy object
1271 * Returns 0 for success, non-zero for failure.
1275 _transport_get_linkerrors(struct sas_phy
*phy
)
1277 struct MPT3SAS_ADAPTER
*ioc
= phy_to_ioc(phy
);
1278 unsigned long flags
;
1279 Mpi2ConfigReply_t mpi_reply
;
1280 Mpi2SasPhyPage1_t phy_pg1
;
1282 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
1283 if (_transport_sas_node_find_by_sas_address(ioc
,
1284 phy
->identify
.sas_address
) == NULL
) {
1285 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
1288 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
1290 if (phy
->identify
.sas_address
!= ioc
->sas_hba
.sas_address
)
1291 return _transport_get_expander_phy_error_log(ioc
, phy
);
1293 /* get hba phy error logs */
1294 if ((mpt3sas_config_get_phy_pg1(ioc
, &mpi_reply
, &phy_pg1
,
1296 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
1297 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1301 if (mpi_reply
.IOCStatus
|| mpi_reply
.IOCLogInfo
)
1303 "phy(%d), ioc_status (0x%04x), loginfo(0x%08x)\n",
1304 ioc
->name
, phy
->number
,
1305 le16_to_cpu(mpi_reply
.IOCStatus
),
1306 le32_to_cpu(mpi_reply
.IOCLogInfo
));
1308 phy
->invalid_dword_count
= le32_to_cpu(phy_pg1
.InvalidDwordCount
);
1309 phy
->running_disparity_error_count
=
1310 le32_to_cpu(phy_pg1
.RunningDisparityErrorCount
);
1311 phy
->loss_of_dword_sync_count
=
1312 le32_to_cpu(phy_pg1
.LossDwordSynchCount
);
1313 phy
->phy_reset_problem_count
=
1314 le32_to_cpu(phy_pg1
.PhyResetProblemCount
);
1319 * _transport_get_enclosure_identifier -
1320 * @phy: The sas phy object
1322 * Obtain the enclosure logical id for an expander.
1323 * Returns 0 for success, non-zero for failure.
1326 _transport_get_enclosure_identifier(struct sas_rphy
*rphy
, u64
*identifier
)
1328 struct MPT3SAS_ADAPTER
*ioc
= rphy_to_ioc(rphy
);
1329 struct _sas_device
*sas_device
;
1330 unsigned long flags
;
1333 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1334 sas_device
= __mpt3sas_get_sdev_by_addr(ioc
,
1335 rphy
->identify
.sas_address
);
1337 *identifier
= sas_device
->enclosure_logical_id
;
1339 sas_device_put(sas_device
);
1345 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1350 * _transport_get_bay_identifier -
1351 * @phy: The sas phy object
1353 * Returns the slot id for a device that resides inside an enclosure.
1356 _transport_get_bay_identifier(struct sas_rphy
*rphy
)
1358 struct MPT3SAS_ADAPTER
*ioc
= rphy_to_ioc(rphy
);
1359 struct _sas_device
*sas_device
;
1360 unsigned long flags
;
1363 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1364 sas_device
= __mpt3sas_get_sdev_by_addr(ioc
,
1365 rphy
->identify
.sas_address
);
1367 rc
= sas_device
->slot
;
1368 sas_device_put(sas_device
);
1372 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1376 /* phy control request structure */
1377 struct phy_control_request
{
1378 u8 smp_frame_type
; /* 0x40 */
1379 u8 function
; /* 0x91 */
1380 u8 allocated_response_length
;
1381 u8 request_length
; /* 0x09 */
1382 u16 expander_change_count
;
1387 u64 attached_device_name
;
1388 u8 programmed_min_physical_link_rate
;
1389 u8 programmed_max_physical_link_rate
;
1393 /* phy control reply structure */
1394 struct phy_control_reply
{
1395 u8 smp_frame_type
; /* 0x41 */
1396 u8 function
; /* 0x11 */
1401 #define SMP_PHY_CONTROL_LINK_RESET (0x01)
1402 #define SMP_PHY_CONTROL_HARD_RESET (0x02)
1403 #define SMP_PHY_CONTROL_DISABLE (0x03)
1406 * _transport_expander_phy_control - expander phy control
1407 * @ioc: per adapter object
1408 * @phy: The sas phy object
1410 * Returns 0 for success, non-zero for failure.
1414 _transport_expander_phy_control(struct MPT3SAS_ADAPTER
*ioc
,
1415 struct sas_phy
*phy
, u8 phy_operation
)
1417 Mpi2SmpPassthroughRequest_t
*mpi_request
;
1418 Mpi2SmpPassthroughReply_t
*mpi_reply
;
1419 struct phy_control_request
*phy_control_request
;
1420 struct phy_control_reply
*phy_control_reply
;
1424 unsigned long timeleft
;
1427 void *data_out
= NULL
;
1428 dma_addr_t data_out_dma
;
1430 u16 wait_state_count
;
1432 if (ioc
->shost_recovery
|| ioc
->pci_error_recovery
) {
1433 pr_info(MPT3SAS_FMT
"%s: host reset in progress!\n",
1434 __func__
, ioc
->name
);
1438 mutex_lock(&ioc
->transport_cmds
.mutex
);
1440 if (ioc
->transport_cmds
.status
!= MPT3_CMD_NOT_USED
) {
1441 pr_err(MPT3SAS_FMT
"%s: transport_cmds in use\n",
1442 ioc
->name
, __func__
);
1446 ioc
->transport_cmds
.status
= MPT3_CMD_PENDING
;
1448 wait_state_count
= 0;
1449 ioc_state
= mpt3sas_base_get_iocstate(ioc
, 1);
1450 while (ioc_state
!= MPI2_IOC_STATE_OPERATIONAL
) {
1451 if (wait_state_count
++ == 10) {
1453 "%s: failed due to ioc not operational\n",
1454 ioc
->name
, __func__
);
1459 ioc_state
= mpt3sas_base_get_iocstate(ioc
, 1);
1461 "%s: waiting for operational state(count=%d)\n",
1462 ioc
->name
, __func__
, wait_state_count
);
1464 if (wait_state_count
)
1465 pr_info(MPT3SAS_FMT
"%s: ioc is operational\n",
1466 ioc
->name
, __func__
);
1468 smid
= mpt3sas_base_get_smid(ioc
, ioc
->transport_cb_idx
);
1470 pr_err(MPT3SAS_FMT
"%s: failed obtaining a smid\n",
1471 ioc
->name
, __func__
);
1476 mpi_request
= mpt3sas_base_get_msg_frame(ioc
, smid
);
1477 ioc
->transport_cmds
.smid
= smid
;
1479 sz
= sizeof(struct phy_control_request
) +
1480 sizeof(struct phy_control_reply
);
1481 data_out
= pci_alloc_consistent(ioc
->pdev
, sz
, &data_out_dma
);
1483 pr_err("failure at %s:%d/%s()!\n", __FILE__
,
1484 __LINE__
, __func__
);
1486 mpt3sas_base_free_smid(ioc
, smid
);
1491 memset(data_out
, 0, sz
);
1492 phy_control_request
= data_out
;
1493 phy_control_request
->smp_frame_type
= 0x40;
1494 phy_control_request
->function
= 0x91;
1495 phy_control_request
->request_length
= 9;
1496 phy_control_request
->allocated_response_length
= 0;
1497 phy_control_request
->phy_identifier
= phy
->number
;
1498 phy_control_request
->phy_operation
= phy_operation
;
1499 phy_control_request
->programmed_min_physical_link_rate
=
1500 phy
->minimum_linkrate
<< 4;
1501 phy_control_request
->programmed_max_physical_link_rate
=
1502 phy
->maximum_linkrate
<< 4;
1504 memset(mpi_request
, 0, sizeof(Mpi2SmpPassthroughRequest_t
));
1505 mpi_request
->Function
= MPI2_FUNCTION_SMP_PASSTHROUGH
;
1506 mpi_request
->PhysicalPort
= 0xFF;
1507 mpi_request
->VF_ID
= 0; /* TODO */
1508 mpi_request
->VP_ID
= 0;
1509 mpi_request
->SASAddress
= cpu_to_le64(phy
->identify
.sas_address
);
1510 mpi_request
->RequestDataLength
=
1511 cpu_to_le16(sizeof(struct phy_error_log_request
));
1512 psge
= &mpi_request
->SGL
;
1514 ioc
->build_sg(ioc
, psge
, data_out_dma
,
1515 sizeof(struct phy_control_request
),
1516 data_out_dma
+ sizeof(struct phy_control_request
),
1517 sizeof(struct phy_control_reply
));
1519 dtransportprintk(ioc
, pr_info(MPT3SAS_FMT
1520 "phy_control - send to sas_addr(0x%016llx), phy(%d), opcode(%d)\n",
1521 ioc
->name
, (unsigned long long)phy
->identify
.sas_address
,
1522 phy
->number
, phy_operation
));
1523 init_completion(&ioc
->transport_cmds
.done
);
1524 mpt3sas_base_put_smid_default(ioc
, smid
);
1525 timeleft
= wait_for_completion_timeout(&ioc
->transport_cmds
.done
,
1528 if (!(ioc
->transport_cmds
.status
& MPT3_CMD_COMPLETE
)) {
1529 pr_err(MPT3SAS_FMT
"%s: timeout\n",
1530 ioc
->name
, __func__
);
1531 _debug_dump_mf(mpi_request
,
1532 sizeof(Mpi2SmpPassthroughRequest_t
)/4);
1533 if (!(ioc
->transport_cmds
.status
& MPT3_CMD_RESET
))
1535 goto issue_host_reset
;
1538 dtransportprintk(ioc
, pr_info(MPT3SAS_FMT
1539 "phy_control - complete\n", ioc
->name
));
1541 if (ioc
->transport_cmds
.status
& MPT3_CMD_REPLY_VALID
) {
1543 mpi_reply
= ioc
->transport_cmds
.reply
;
1545 dtransportprintk(ioc
, pr_info(MPT3SAS_FMT
1546 "phy_control - reply data transfer size(%d)\n",
1547 ioc
->name
, le16_to_cpu(mpi_reply
->ResponseDataLength
)));
1549 if (le16_to_cpu(mpi_reply
->ResponseDataLength
) !=
1550 sizeof(struct phy_control_reply
))
1553 phy_control_reply
= data_out
+
1554 sizeof(struct phy_control_request
);
1556 dtransportprintk(ioc
, pr_info(MPT3SAS_FMT
1557 "phy_control - function_result(%d)\n",
1558 ioc
->name
, phy_control_reply
->function_result
));
1562 dtransportprintk(ioc
, pr_info(MPT3SAS_FMT
1563 "phy_control - no reply\n", ioc
->name
));
1567 mpt3sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
1570 ioc
->transport_cmds
.status
= MPT3_CMD_NOT_USED
;
1572 pci_free_consistent(ioc
->pdev
, sz
, data_out
, data_out_dma
);
1574 mutex_unlock(&ioc
->transport_cmds
.mutex
);
1579 * _transport_phy_reset -
1580 * @phy: The sas phy object
1583 * Returns 0 for success, non-zero for failure.
1586 _transport_phy_reset(struct sas_phy
*phy
, int hard_reset
)
1588 struct MPT3SAS_ADAPTER
*ioc
= phy_to_ioc(phy
);
1589 Mpi2SasIoUnitControlReply_t mpi_reply
;
1590 Mpi2SasIoUnitControlRequest_t mpi_request
;
1591 unsigned long flags
;
1593 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
1594 if (_transport_sas_node_find_by_sas_address(ioc
,
1595 phy
->identify
.sas_address
) == NULL
) {
1596 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
1599 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
1601 /* handle expander phys */
1602 if (phy
->identify
.sas_address
!= ioc
->sas_hba
.sas_address
)
1603 return _transport_expander_phy_control(ioc
, phy
,
1604 (hard_reset
== 1) ? SMP_PHY_CONTROL_HARD_RESET
:
1605 SMP_PHY_CONTROL_LINK_RESET
);
1607 /* handle hba phys */
1608 memset(&mpi_request
, 0, sizeof(Mpi2SasIoUnitControlRequest_t
));
1609 mpi_request
.Function
= MPI2_FUNCTION_SAS_IO_UNIT_CONTROL
;
1610 mpi_request
.Operation
= hard_reset
?
1611 MPI2_SAS_OP_PHY_HARD_RESET
: MPI2_SAS_OP_PHY_LINK_RESET
;
1612 mpi_request
.PhyNum
= phy
->number
;
1614 if ((mpt3sas_base_sas_iounit_control(ioc
, &mpi_reply
, &mpi_request
))) {
1615 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
1616 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1620 if (mpi_reply
.IOCStatus
|| mpi_reply
.IOCLogInfo
)
1622 "phy(%d), ioc_status(0x%04x), loginfo(0x%08x)\n",
1623 ioc
->name
, phy
->number
, le16_to_cpu(mpi_reply
.IOCStatus
),
1624 le32_to_cpu(mpi_reply
.IOCLogInfo
));
1630 * _transport_phy_enable - enable/disable phys
1631 * @phy: The sas phy object
1632 * @enable: enable phy when true
1634 * Only support sas_host direct attached phys.
1635 * Returns 0 for success, non-zero for failure.
1638 _transport_phy_enable(struct sas_phy
*phy
, int enable
)
1640 struct MPT3SAS_ADAPTER
*ioc
= phy_to_ioc(phy
);
1641 Mpi2SasIOUnitPage1_t
*sas_iounit_pg1
= NULL
;
1642 Mpi2SasIOUnitPage0_t
*sas_iounit_pg0
= NULL
;
1643 Mpi2ConfigReply_t mpi_reply
;
1647 unsigned long flags
;
1648 int i
, discovery_active
;
1650 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
1651 if (_transport_sas_node_find_by_sas_address(ioc
,
1652 phy
->identify
.sas_address
) == NULL
) {
1653 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
1656 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
1658 /* handle expander phys */
1659 if (phy
->identify
.sas_address
!= ioc
->sas_hba
.sas_address
)
1660 return _transport_expander_phy_control(ioc
, phy
,
1661 (enable
== 1) ? SMP_PHY_CONTROL_LINK_RESET
:
1662 SMP_PHY_CONTROL_DISABLE
);
1664 /* handle hba phys */
1666 /* read sas_iounit page 0 */
1667 sz
= offsetof(Mpi2SasIOUnitPage0_t
, PhyData
) + (ioc
->sas_hba
.num_phys
*
1668 sizeof(Mpi2SasIOUnit0PhyData_t
));
1669 sas_iounit_pg0
= kzalloc(sz
, GFP_KERNEL
);
1670 if (!sas_iounit_pg0
) {
1671 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
1672 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1676 if ((mpt3sas_config_get_sas_iounit_pg0(ioc
, &mpi_reply
,
1677 sas_iounit_pg0
, sz
))) {
1678 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
1679 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1683 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
1684 MPI2_IOCSTATUS_MASK
;
1685 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
1686 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
1687 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1692 /* unable to enable/disable phys when when discovery is active */
1693 for (i
= 0, discovery_active
= 0; i
< ioc
->sas_hba
.num_phys
; i
++) {
1694 if (sas_iounit_pg0
->PhyData
[i
].PortFlags
&
1695 MPI2_SASIOUNIT0_PORTFLAGS_DISCOVERY_IN_PROGRESS
) {
1696 pr_err(MPT3SAS_FMT
"discovery is active on " \
1697 "port = %d, phy = %d: unable to enable/disable "
1698 "phys, try again later!\n", ioc
->name
,
1699 sas_iounit_pg0
->PhyData
[i
].Port
, i
);
1700 discovery_active
= 1;
1704 if (discovery_active
) {
1709 /* read sas_iounit page 1 */
1710 sz
= offsetof(Mpi2SasIOUnitPage1_t
, PhyData
) + (ioc
->sas_hba
.num_phys
*
1711 sizeof(Mpi2SasIOUnit1PhyData_t
));
1712 sas_iounit_pg1
= kzalloc(sz
, GFP_KERNEL
);
1713 if (!sas_iounit_pg1
) {
1714 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
1715 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1719 if ((mpt3sas_config_get_sas_iounit_pg1(ioc
, &mpi_reply
,
1720 sas_iounit_pg1
, sz
))) {
1721 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
1722 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1726 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
1727 MPI2_IOCSTATUS_MASK
;
1728 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
1729 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
1730 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1735 /* copy Port/PortFlags/PhyFlags from page 0 */
1736 for (i
= 0; i
< ioc
->sas_hba
.num_phys
; i
++) {
1737 sas_iounit_pg1
->PhyData
[i
].Port
=
1738 sas_iounit_pg0
->PhyData
[i
].Port
;
1739 sas_iounit_pg1
->PhyData
[i
].PortFlags
=
1740 (sas_iounit_pg0
->PhyData
[i
].PortFlags
&
1741 MPI2_SASIOUNIT0_PORTFLAGS_AUTO_PORT_CONFIG
);
1742 sas_iounit_pg1
->PhyData
[i
].PhyFlags
=
1743 (sas_iounit_pg0
->PhyData
[i
].PhyFlags
&
1744 (MPI2_SASIOUNIT0_PHYFLAGS_ZONING_ENABLED
+
1745 MPI2_SASIOUNIT0_PHYFLAGS_PHY_DISABLED
));
1749 sas_iounit_pg1
->PhyData
[phy
->number
].PhyFlags
1750 &= ~MPI2_SASIOUNIT1_PHYFLAGS_PHY_DISABLE
;
1752 sas_iounit_pg1
->PhyData
[phy
->number
].PhyFlags
1753 |= MPI2_SASIOUNIT1_PHYFLAGS_PHY_DISABLE
;
1755 mpt3sas_config_set_sas_iounit_pg1(ioc
, &mpi_reply
, sas_iounit_pg1
, sz
);
1759 _transport_phy_reset(phy
, 0);
1762 kfree(sas_iounit_pg1
);
1763 kfree(sas_iounit_pg0
);
1768 * _transport_phy_speed - set phy min/max link rates
1769 * @phy: The sas phy object
1770 * @rates: rates defined in sas_phy_linkrates
1772 * Only support sas_host direct attached phys.
1773 * Returns 0 for success, non-zero for failure.
1776 _transport_phy_speed(struct sas_phy
*phy
, struct sas_phy_linkrates
*rates
)
1778 struct MPT3SAS_ADAPTER
*ioc
= phy_to_ioc(phy
);
1779 Mpi2SasIOUnitPage1_t
*sas_iounit_pg1
= NULL
;
1780 Mpi2SasPhyPage0_t phy_pg0
;
1781 Mpi2ConfigReply_t mpi_reply
;
1786 unsigned long flags
;
1788 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
1789 if (_transport_sas_node_find_by_sas_address(ioc
,
1790 phy
->identify
.sas_address
) == NULL
) {
1791 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
1794 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
1796 if (!rates
->minimum_linkrate
)
1797 rates
->minimum_linkrate
= phy
->minimum_linkrate
;
1798 else if (rates
->minimum_linkrate
< phy
->minimum_linkrate_hw
)
1799 rates
->minimum_linkrate
= phy
->minimum_linkrate_hw
;
1801 if (!rates
->maximum_linkrate
)
1802 rates
->maximum_linkrate
= phy
->maximum_linkrate
;
1803 else if (rates
->maximum_linkrate
> phy
->maximum_linkrate_hw
)
1804 rates
->maximum_linkrate
= phy
->maximum_linkrate_hw
;
1806 /* handle expander phys */
1807 if (phy
->identify
.sas_address
!= ioc
->sas_hba
.sas_address
) {
1808 phy
->minimum_linkrate
= rates
->minimum_linkrate
;
1809 phy
->maximum_linkrate
= rates
->maximum_linkrate
;
1810 return _transport_expander_phy_control(ioc
, phy
,
1811 SMP_PHY_CONTROL_LINK_RESET
);
1814 /* handle hba phys */
1816 /* sas_iounit page 1 */
1817 sz
= offsetof(Mpi2SasIOUnitPage1_t
, PhyData
) + (ioc
->sas_hba
.num_phys
*
1818 sizeof(Mpi2SasIOUnit1PhyData_t
));
1819 sas_iounit_pg1
= kzalloc(sz
, GFP_KERNEL
);
1820 if (!sas_iounit_pg1
) {
1821 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
1822 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1826 if ((mpt3sas_config_get_sas_iounit_pg1(ioc
, &mpi_reply
,
1827 sas_iounit_pg1
, sz
))) {
1828 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
1829 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1833 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
1834 MPI2_IOCSTATUS_MASK
;
1835 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
1836 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
1837 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1842 for (i
= 0; i
< ioc
->sas_hba
.num_phys
; i
++) {
1843 if (phy
->number
!= i
) {
1844 sas_iounit_pg1
->PhyData
[i
].MaxMinLinkRate
=
1845 (ioc
->sas_hba
.phy
[i
].phy
->minimum_linkrate
+
1846 (ioc
->sas_hba
.phy
[i
].phy
->maximum_linkrate
<< 4));
1848 sas_iounit_pg1
->PhyData
[i
].MaxMinLinkRate
=
1849 (rates
->minimum_linkrate
+
1850 (rates
->maximum_linkrate
<< 4));
1854 if (mpt3sas_config_set_sas_iounit_pg1(ioc
, &mpi_reply
, sas_iounit_pg1
,
1856 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
1857 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1863 _transport_phy_reset(phy
, 0);
1865 /* read phy page 0, then update the rates in the sas transport phy */
1866 if (!mpt3sas_config_get_phy_pg0(ioc
, &mpi_reply
, &phy_pg0
,
1868 phy
->minimum_linkrate
= _transport_convert_phy_link_rate(
1869 phy_pg0
.ProgrammedLinkRate
& MPI2_SAS_PRATE_MIN_RATE_MASK
);
1870 phy
->maximum_linkrate
= _transport_convert_phy_link_rate(
1871 phy_pg0
.ProgrammedLinkRate
>> 4);
1872 phy
->negotiated_linkrate
= _transport_convert_phy_link_rate(
1873 phy_pg0
.NegotiatedLinkRate
&
1874 MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL
);
1878 kfree(sas_iounit_pg1
);
1883 * _transport_smp_handler - transport portal for smp passthru
1884 * @shost: shost object
1885 * @rphy: sas transport rphy object
1888 * This used primarily for smp_utils.
1890 * smp_rep_general /sys/class/bsg/expander-5:0
1893 _transport_smp_handler(struct Scsi_Host
*shost
, struct sas_rphy
*rphy
,
1894 struct request
*req
)
1896 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
1897 Mpi2SmpPassthroughRequest_t
*mpi_request
;
1898 Mpi2SmpPassthroughReply_t
*mpi_reply
;
1902 unsigned long timeleft
;
1905 dma_addr_t dma_addr_in
= 0;
1906 dma_addr_t dma_addr_out
= 0;
1907 dma_addr_t pci_dma_in
= 0;
1908 dma_addr_t pci_dma_out
= 0;
1909 void *pci_addr_in
= NULL
;
1910 void *pci_addr_out
= NULL
;
1911 u16 wait_state_count
;
1912 struct request
*rsp
= req
->next_rq
;
1913 struct bio_vec bvec
;
1914 struct bvec_iter iter
;
1917 pr_err(MPT3SAS_FMT
"%s: the smp response space is missing\n",
1918 ioc
->name
, __func__
);
1922 if (ioc
->shost_recovery
|| ioc
->pci_error_recovery
) {
1923 pr_info(MPT3SAS_FMT
"%s: host reset in progress!\n",
1924 __func__
, ioc
->name
);
1928 rc
= mutex_lock_interruptible(&ioc
->transport_cmds
.mutex
);
1932 if (ioc
->transport_cmds
.status
!= MPT3_CMD_NOT_USED
) {
1933 pr_err(MPT3SAS_FMT
"%s: transport_cmds in use\n", ioc
->name
,
1938 ioc
->transport_cmds
.status
= MPT3_CMD_PENDING
;
1940 /* Check if the request is split across multiple segments */
1941 if (bio_multiple_segments(req
->bio
)) {
1944 /* Allocate memory and copy the request */
1945 pci_addr_out
= pci_alloc_consistent(ioc
->pdev
,
1946 blk_rq_bytes(req
), &pci_dma_out
);
1947 if (!pci_addr_out
) {
1948 pr_info(MPT3SAS_FMT
"%s(): PCI Addr out = NULL\n",
1949 ioc
->name
, __func__
);
1954 bio_for_each_segment(bvec
, req
->bio
, iter
) {
1955 memcpy(pci_addr_out
+ offset
,
1956 page_address(bvec
.bv_page
) + bvec
.bv_offset
,
1958 offset
+= bvec
.bv_len
;
1961 dma_addr_out
= pci_map_single(ioc
->pdev
, bio_data(req
->bio
),
1962 blk_rq_bytes(req
), PCI_DMA_BIDIRECTIONAL
);
1963 if (pci_dma_mapping_error(ioc
->pdev
, dma_addr_out
)) {
1964 pr_info(MPT3SAS_FMT
"%s(): DMA Addr out = NULL\n",
1965 ioc
->name
, __func__
);
1971 /* Check if the response needs to be populated across
1972 * multiple segments */
1973 if (bio_multiple_segments(rsp
->bio
)) {
1974 pci_addr_in
= pci_alloc_consistent(ioc
->pdev
, blk_rq_bytes(rsp
),
1977 pr_info(MPT3SAS_FMT
"%s(): PCI Addr in = NULL\n",
1978 ioc
->name
, __func__
);
1983 dma_addr_in
= pci_map_single(ioc
->pdev
, bio_data(rsp
->bio
),
1984 blk_rq_bytes(rsp
), PCI_DMA_BIDIRECTIONAL
);
1985 if (pci_dma_mapping_error(ioc
->pdev
, dma_addr_in
)) {
1986 pr_info(MPT3SAS_FMT
"%s(): DMA Addr in = NULL\n",
1987 ioc
->name
, __func__
);
1993 wait_state_count
= 0;
1994 ioc_state
= mpt3sas_base_get_iocstate(ioc
, 1);
1995 while (ioc_state
!= MPI2_IOC_STATE_OPERATIONAL
) {
1996 if (wait_state_count
++ == 10) {
1998 "%s: failed due to ioc not operational\n",
1999 ioc
->name
, __func__
);
2004 ioc_state
= mpt3sas_base_get_iocstate(ioc
, 1);
2006 "%s: waiting for operational state(count=%d)\n",
2007 ioc
->name
, __func__
, wait_state_count
);
2009 if (wait_state_count
)
2010 pr_info(MPT3SAS_FMT
"%s: ioc is operational\n",
2011 ioc
->name
, __func__
);
2013 smid
= mpt3sas_base_get_smid(ioc
, ioc
->transport_cb_idx
);
2015 pr_err(MPT3SAS_FMT
"%s: failed obtaining a smid\n",
2016 ioc
->name
, __func__
);
2022 mpi_request
= mpt3sas_base_get_msg_frame(ioc
, smid
);
2023 ioc
->transport_cmds
.smid
= smid
;
2025 memset(mpi_request
, 0, sizeof(Mpi2SmpPassthroughRequest_t
));
2026 mpi_request
->Function
= MPI2_FUNCTION_SMP_PASSTHROUGH
;
2027 mpi_request
->PhysicalPort
= 0xFF;
2028 mpi_request
->SASAddress
= (rphy
) ?
2029 cpu_to_le64(rphy
->identify
.sas_address
) :
2030 cpu_to_le64(ioc
->sas_hba
.sas_address
);
2031 mpi_request
->RequestDataLength
= cpu_to_le16(blk_rq_bytes(req
) - 4);
2032 psge
= &mpi_request
->SGL
;
2034 if (bio_multiple_segments(req
->bio
))
2035 ioc
->build_sg(ioc
, psge
, pci_dma_out
, (blk_rq_bytes(req
) - 4),
2036 pci_dma_in
, (blk_rq_bytes(rsp
) + 4));
2038 ioc
->build_sg(ioc
, psge
, dma_addr_out
, (blk_rq_bytes(req
) - 4),
2039 dma_addr_in
, (blk_rq_bytes(rsp
) + 4));
2041 dtransportprintk(ioc
, pr_info(MPT3SAS_FMT
2042 "%s - sending smp request\n", ioc
->name
, __func__
));
2044 init_completion(&ioc
->transport_cmds
.done
);
2045 mpt3sas_base_put_smid_default(ioc
, smid
);
2046 timeleft
= wait_for_completion_timeout(&ioc
->transport_cmds
.done
,
2049 if (!(ioc
->transport_cmds
.status
& MPT3_CMD_COMPLETE
)) {
2050 pr_err(MPT3SAS_FMT
"%s : timeout\n",
2051 __func__
, ioc
->name
);
2052 _debug_dump_mf(mpi_request
,
2053 sizeof(Mpi2SmpPassthroughRequest_t
)/4);
2054 if (!(ioc
->transport_cmds
.status
& MPT3_CMD_RESET
))
2056 goto issue_host_reset
;
2059 dtransportprintk(ioc
, pr_info(MPT3SAS_FMT
2060 "%s - complete\n", ioc
->name
, __func__
));
2062 if (ioc
->transport_cmds
.status
& MPT3_CMD_REPLY_VALID
) {
2064 mpi_reply
= ioc
->transport_cmds
.reply
;
2066 dtransportprintk(ioc
, pr_info(MPT3SAS_FMT
2067 "%s - reply data transfer size(%d)\n",
2068 ioc
->name
, __func__
,
2069 le16_to_cpu(mpi_reply
->ResponseDataLength
)));
2071 memcpy(req
->sense
, mpi_reply
, sizeof(*mpi_reply
));
2072 req
->sense_len
= sizeof(*mpi_reply
);
2075 le16_to_cpu(mpi_reply
->ResponseDataLength
);
2077 /* check if the resp needs to be copied from the allocated
2079 if (bio_multiple_segments(rsp
->bio
)) {
2082 le16_to_cpu(mpi_reply
->ResponseDataLength
);
2083 bio_for_each_segment(bvec
, rsp
->bio
, iter
) {
2084 if (bytes_to_copy
<= bvec
.bv_len
) {
2085 memcpy(page_address(bvec
.bv_page
) +
2086 bvec
.bv_offset
, pci_addr_in
+
2087 offset
, bytes_to_copy
);
2090 memcpy(page_address(bvec
.bv_page
) +
2091 bvec
.bv_offset
, pci_addr_in
+
2092 offset
, bvec
.bv_len
);
2093 bytes_to_copy
-= bvec
.bv_len
;
2095 offset
+= bvec
.bv_len
;
2099 dtransportprintk(ioc
, pr_info(MPT3SAS_FMT
2100 "%s - no reply\n", ioc
->name
, __func__
));
2106 mpt3sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
2113 pci_unmap_single(ioc
->pdev
, dma_addr_out
, blk_rq_bytes(req
),
2114 PCI_DMA_BIDIRECTIONAL
);
2116 pci_unmap_single(ioc
->pdev
, dma_addr_in
, blk_rq_bytes(rsp
),
2117 PCI_DMA_BIDIRECTIONAL
);
2121 pci_free_consistent(ioc
->pdev
, blk_rq_bytes(req
), pci_addr_out
,
2125 pci_free_consistent(ioc
->pdev
, blk_rq_bytes(rsp
), pci_addr_in
,
2129 ioc
->transport_cmds
.status
= MPT3_CMD_NOT_USED
;
2130 mutex_unlock(&ioc
->transport_cmds
.mutex
);
2134 struct sas_function_template mpt3sas_transport_functions
= {
2135 .get_linkerrors
= _transport_get_linkerrors
,
2136 .get_enclosure_identifier
= _transport_get_enclosure_identifier
,
2137 .get_bay_identifier
= _transport_get_bay_identifier
,
2138 .phy_reset
= _transport_phy_reset
,
2139 .phy_enable
= _transport_phy_enable
,
2140 .set_phy_speed
= _transport_phy_speed
,
2141 .smp_handler
= _transport_smp_handler
,
2144 struct scsi_transport_template
*mpt3sas_transport_template
;