2 * Management Module Support for MPT (Message Passing Technology) based
5 * This code is based on drivers/scsi/mpt3sas/mpt3sas_ctl.c
6 * Copyright (C) 2012-2014 LSI Corporation
7 * Copyright (C) 2013-2014 Avago Technologies
8 * (mailto: MPT-FusionLinux.pdl@avagotech.com)
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
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.
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.
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
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
46 #include <linux/kernel.h>
47 #include <linux/module.h>
48 #include <linux/errno.h>
49 #include <linux/init.h>
50 #include <linux/slab.h>
51 #include <linux/types.h>
52 #include <linux/pci.h>
53 #include <linux/delay.h>
54 #include <linux/compat.h>
55 #include <linux/poll.h>
58 #include <linux/uaccess.h>
60 #include "mpt3sas_base.h"
61 #include "mpt3sas_ctl.h"
64 static struct fasync_struct
*async_queue
;
65 static DECLARE_WAIT_QUEUE_HEAD(ctl_poll_wait
);
69 * enum block_state - blocking state
70 * @NON_BLOCKING: non blocking
73 * These states are for ioctls that need to wait for a response
74 * from firmware, so they probably require sleep.
82 * _ctl_sas_device_find_by_handle - sas device search
83 * @ioc: per adapter object
84 * @handle: sas device handle (assigned by firmware)
85 * Context: Calling function should acquire ioc->sas_device_lock
87 * This searches for sas_device based on sas_address, then return sas_device
90 static struct _sas_device
*
91 _ctl_sas_device_find_by_handle(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
)
93 struct _sas_device
*sas_device
, *r
;
96 list_for_each_entry(sas_device
, &ioc
->sas_device_list
, list
) {
97 if (sas_device
->handle
!= handle
)
108 * _ctl_display_some_debug - debug routine
109 * @ioc: per adapter object
110 * @smid: system request message index
111 * @calling_function_name: string pass from calling function
112 * @mpi_reply: reply message frame
115 * Function for displaying debug info helpful when debugging issues
119 _ctl_display_some_debug(struct MPT3SAS_ADAPTER
*ioc
, u16 smid
,
120 char *calling_function_name
, MPI2DefaultReply_t
*mpi_reply
)
122 Mpi2ConfigRequest_t
*mpi_request
;
125 if (!(ioc
->logging_level
& MPT_DEBUG_IOCTL
))
128 mpi_request
= mpt3sas_base_get_msg_frame(ioc
, smid
);
129 switch (mpi_request
->Function
) {
130 case MPI2_FUNCTION_SCSI_IO_REQUEST
:
132 Mpi2SCSIIORequest_t
*scsi_request
=
133 (Mpi2SCSIIORequest_t
*)mpi_request
;
135 snprintf(ioc
->tmp_string
, MPT_STRING_LENGTH
,
136 "scsi_io, cmd(0x%02x), cdb_len(%d)",
137 scsi_request
->CDB
.CDB32
[0],
138 le16_to_cpu(scsi_request
->IoFlags
) & 0xF);
139 desc
= ioc
->tmp_string
;
142 case MPI2_FUNCTION_SCSI_TASK_MGMT
:
145 case MPI2_FUNCTION_IOC_INIT
:
148 case MPI2_FUNCTION_IOC_FACTS
:
151 case MPI2_FUNCTION_CONFIG
:
153 Mpi2ConfigRequest_t
*config_request
=
154 (Mpi2ConfigRequest_t
*)mpi_request
;
156 snprintf(ioc
->tmp_string
, MPT_STRING_LENGTH
,
157 "config, type(0x%02x), ext_type(0x%02x), number(%d)",
158 (config_request
->Header
.PageType
&
159 MPI2_CONFIG_PAGETYPE_MASK
), config_request
->ExtPageType
,
160 config_request
->Header
.PageNumber
);
161 desc
= ioc
->tmp_string
;
164 case MPI2_FUNCTION_PORT_FACTS
:
167 case MPI2_FUNCTION_PORT_ENABLE
:
168 desc
= "port_enable";
170 case MPI2_FUNCTION_EVENT_NOTIFICATION
:
171 desc
= "event_notification";
173 case MPI2_FUNCTION_FW_DOWNLOAD
:
174 desc
= "fw_download";
176 case MPI2_FUNCTION_FW_UPLOAD
:
179 case MPI2_FUNCTION_RAID_ACTION
:
180 desc
= "raid_action";
182 case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH
:
184 Mpi2SCSIIORequest_t
*scsi_request
=
185 (Mpi2SCSIIORequest_t
*)mpi_request
;
187 snprintf(ioc
->tmp_string
, MPT_STRING_LENGTH
,
188 "raid_pass, cmd(0x%02x), cdb_len(%d)",
189 scsi_request
->CDB
.CDB32
[0],
190 le16_to_cpu(scsi_request
->IoFlags
) & 0xF);
191 desc
= ioc
->tmp_string
;
194 case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL
:
195 desc
= "sas_iounit_cntl";
197 case MPI2_FUNCTION_SATA_PASSTHROUGH
:
200 case MPI2_FUNCTION_DIAG_BUFFER_POST
:
201 desc
= "diag_buffer_post";
203 case MPI2_FUNCTION_DIAG_RELEASE
:
204 desc
= "diag_release";
206 case MPI2_FUNCTION_SMP_PASSTHROUGH
:
207 desc
= "smp_passthrough";
214 pr_info(MPT3SAS_FMT
"%s: %s, smid(%d)\n",
215 ioc
->name
, calling_function_name
, desc
, smid
);
220 if (mpi_reply
->IOCStatus
|| mpi_reply
->IOCLogInfo
)
222 "\tiocstatus(0x%04x), loginfo(0x%08x)\n",
223 ioc
->name
, le16_to_cpu(mpi_reply
->IOCStatus
),
224 le32_to_cpu(mpi_reply
->IOCLogInfo
));
226 if (mpi_request
->Function
== MPI2_FUNCTION_SCSI_IO_REQUEST
||
227 mpi_request
->Function
==
228 MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH
) {
229 Mpi2SCSIIOReply_t
*scsi_reply
=
230 (Mpi2SCSIIOReply_t
*)mpi_reply
;
231 struct _sas_device
*sas_device
= NULL
;
234 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
235 sas_device
= _ctl_sas_device_find_by_handle(ioc
,
236 le16_to_cpu(scsi_reply
->DevHandle
));
238 pr_warn(MPT3SAS_FMT
"\tsas_address(0x%016llx), phy(%d)\n",
239 ioc
->name
, (unsigned long long)
240 sas_device
->sas_address
, sas_device
->phy
);
242 "\tenclosure_logical_id(0x%016llx), slot(%d)\n",
243 ioc
->name
, (unsigned long long)
244 sas_device
->enclosure_logical_id
, sas_device
->slot
);
246 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
247 if (scsi_reply
->SCSIState
|| scsi_reply
->SCSIStatus
)
249 "\tscsi_state(0x%02x), scsi_status"
250 "(0x%02x)\n", ioc
->name
,
251 scsi_reply
->SCSIState
,
252 scsi_reply
->SCSIStatus
);
257 * mpt3sas_ctl_done - ctl module completion routine
258 * @ioc: per adapter object
259 * @smid: system request message index
260 * @msix_index: MSIX table index supplied by the OS
261 * @reply: reply message frame(lower 32bit addr)
264 * The callback handler when using ioc->ctl_cb_idx.
266 * Return 1 meaning mf should be freed from _base_interrupt
267 * 0 means the mf is freed from this function.
270 mpt3sas_ctl_done(struct MPT3SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
,
273 MPI2DefaultReply_t
*mpi_reply
;
274 Mpi2SCSIIOReply_t
*scsiio_reply
;
275 const void *sense_data
;
278 if (ioc
->ctl_cmds
.status
== MPT3_CMD_NOT_USED
)
280 if (ioc
->ctl_cmds
.smid
!= smid
)
282 ioc
->ctl_cmds
.status
|= MPT3_CMD_COMPLETE
;
283 mpi_reply
= mpt3sas_base_get_reply_virt_addr(ioc
, reply
);
285 memcpy(ioc
->ctl_cmds
.reply
, mpi_reply
, mpi_reply
->MsgLength
*4);
286 ioc
->ctl_cmds
.status
|= MPT3_CMD_REPLY_VALID
;
288 if (mpi_reply
->Function
== MPI2_FUNCTION_SCSI_IO_REQUEST
||
289 mpi_reply
->Function
==
290 MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH
) {
291 scsiio_reply
= (Mpi2SCSIIOReply_t
*)mpi_reply
;
292 if (scsiio_reply
->SCSIState
&
293 MPI2_SCSI_STATE_AUTOSENSE_VALID
) {
294 sz
= min_t(u32
, SCSI_SENSE_BUFFERSIZE
,
295 le32_to_cpu(scsiio_reply
->SenseCount
));
296 sense_data
= mpt3sas_base_get_sense_buffer(ioc
,
298 memcpy(ioc
->ctl_cmds
.sense
, sense_data
, sz
);
302 _ctl_display_some_debug(ioc
, smid
, "ctl_done", mpi_reply
);
303 ioc
->ctl_cmds
.status
&= ~MPT3_CMD_PENDING
;
304 complete(&ioc
->ctl_cmds
.done
);
309 * _ctl_check_event_type - determines when an event needs logging
310 * @ioc: per adapter object
311 * @event: firmware event
313 * The bitmask in ioc->event_type[] indicates which events should be
314 * be saved in the driver event_log. This bitmask is set by application.
316 * Returns 1 when event should be captured, or zero means no match.
319 _ctl_check_event_type(struct MPT3SAS_ADAPTER
*ioc
, u16 event
)
324 if (event
>= 128 || !event
|| !ioc
->event_log
)
327 desired_event
= (1 << (event
% 32));
331 return desired_event
& ioc
->event_type
[i
];
335 * mpt3sas_ctl_add_to_event_log - add event
336 * @ioc: per adapter object
337 * @mpi_reply: reply message frame
342 mpt3sas_ctl_add_to_event_log(struct MPT3SAS_ADAPTER
*ioc
,
343 Mpi2EventNotificationReply_t
*mpi_reply
)
345 struct MPT3_IOCTL_EVENTS
*event_log
;
348 u32 sz
, event_data_sz
;
354 event
= le16_to_cpu(mpi_reply
->Event
);
356 if (_ctl_check_event_type(ioc
, event
)) {
358 /* insert entry into circular event_log */
359 i
= ioc
->event_context
% MPT3SAS_CTL_EVENT_LOG_SIZE
;
360 event_log
= ioc
->event_log
;
361 event_log
[i
].event
= event
;
362 event_log
[i
].context
= ioc
->event_context
++;
364 event_data_sz
= le16_to_cpu(mpi_reply
->EventDataLength
)*4;
365 sz
= min_t(u32
, event_data_sz
, MPT3_EVENT_DATA_SIZE
);
366 memset(event_log
[i
].data
, 0, MPT3_EVENT_DATA_SIZE
);
367 memcpy(event_log
[i
].data
, mpi_reply
->EventData
, sz
);
371 /* This aen_event_read_flag flag is set until the
372 * application has read the event log.
373 * For MPI2_EVENT_LOG_ENTRY_ADDED, we always notify.
375 if (event
== MPI2_EVENT_LOG_ENTRY_ADDED
||
376 (send_aen
&& !ioc
->aen_event_read_flag
)) {
377 ioc
->aen_event_read_flag
= 1;
378 wake_up_interruptible(&ctl_poll_wait
);
380 kill_fasync(&async_queue
, SIGIO
, POLL_IN
);
385 * mpt3sas_ctl_event_callback - firmware event handler (called at ISR time)
386 * @ioc: per adapter object
387 * @msix_index: MSIX table index supplied by the OS
388 * @reply: reply message frame(lower 32bit addr)
389 * Context: interrupt.
391 * This function merely adds a new work task into ioc->firmware_event_thread.
392 * The tasks are worked from _firmware_event_work in user context.
394 * Return 1 meaning mf should be freed from _base_interrupt
395 * 0 means the mf is freed from this function.
398 mpt3sas_ctl_event_callback(struct MPT3SAS_ADAPTER
*ioc
, u8 msix_index
,
401 Mpi2EventNotificationReply_t
*mpi_reply
;
403 mpi_reply
= mpt3sas_base_get_reply_virt_addr(ioc
, reply
);
405 mpt3sas_ctl_add_to_event_log(ioc
, mpi_reply
);
410 * _ctl_verify_adapter - validates ioc_number passed from application
411 * @ioc: per adapter object
412 * @iocpp: The ioc pointer is returned in this.
413 * @mpi_version: will be MPI2_VERSION for mpt2ctl ioctl device &
414 * MPI25_VERSION | MPI26_VERSION for mpt3ctl ioctl device.
416 * Return (-1) means error, else ioc_number.
419 _ctl_verify_adapter(int ioc_number
, struct MPT3SAS_ADAPTER
**iocpp
,
422 struct MPT3SAS_ADAPTER
*ioc
;
424 /* global ioc lock to protect controller on list operations */
425 spin_lock(&gioc_lock
);
426 list_for_each_entry(ioc
, &mpt3sas_ioc_list
, list
) {
427 if (ioc
->id
!= ioc_number
)
429 /* Check whether this ioctl command is from right
430 * ioctl device or not, if not continue the search.
432 version
= ioc
->hba_mpi_version_belonged
;
433 /* MPI25_VERSION and MPI26_VERSION uses same ioctl
436 if (mpi_version
== (MPI25_VERSION
| MPI26_VERSION
)) {
437 if ((version
== MPI25_VERSION
) ||
438 (version
== MPI26_VERSION
))
443 if (version
!= mpi_version
)
447 spin_unlock(&gioc_lock
);
451 spin_unlock(&gioc_lock
);
457 * mpt3sas_ctl_reset_handler - reset callback handler (for ctl)
458 * @ioc: per adapter object
459 * @reset_phase: phase
461 * The handler for doing any required cleanup or initialization.
463 * The reset phase can be MPT3_IOC_PRE_RESET, MPT3_IOC_AFTER_RESET,
464 * MPT3_IOC_DONE_RESET
467 mpt3sas_ctl_reset_handler(struct MPT3SAS_ADAPTER
*ioc
, int reset_phase
)
472 switch (reset_phase
) {
473 case MPT3_IOC_PRE_RESET
:
474 dtmprintk(ioc
, pr_info(MPT3SAS_FMT
475 "%s: MPT3_IOC_PRE_RESET\n", ioc
->name
, __func__
));
476 for (i
= 0; i
< MPI2_DIAG_BUF_TYPE_COUNT
; i
++) {
477 if (!(ioc
->diag_buffer_status
[i
] &
478 MPT3_DIAG_BUFFER_IS_REGISTERED
))
480 if ((ioc
->diag_buffer_status
[i
] &
481 MPT3_DIAG_BUFFER_IS_RELEASED
))
483 mpt3sas_send_diag_release(ioc
, i
, &issue_reset
);
486 case MPT3_IOC_AFTER_RESET
:
487 dtmprintk(ioc
, pr_info(MPT3SAS_FMT
488 "%s: MPT3_IOC_AFTER_RESET\n", ioc
->name
, __func__
));
489 if (ioc
->ctl_cmds
.status
& MPT3_CMD_PENDING
) {
490 ioc
->ctl_cmds
.status
|= MPT3_CMD_RESET
;
491 mpt3sas_base_free_smid(ioc
, ioc
->ctl_cmds
.smid
);
492 complete(&ioc
->ctl_cmds
.done
);
495 case MPT3_IOC_DONE_RESET
:
496 dtmprintk(ioc
, pr_info(MPT3SAS_FMT
497 "%s: MPT3_IOC_DONE_RESET\n", ioc
->name
, __func__
));
499 for (i
= 0; i
< MPI2_DIAG_BUF_TYPE_COUNT
; i
++) {
500 if (!(ioc
->diag_buffer_status
[i
] &
501 MPT3_DIAG_BUFFER_IS_REGISTERED
))
503 if ((ioc
->diag_buffer_status
[i
] &
504 MPT3_DIAG_BUFFER_IS_RELEASED
))
506 ioc
->diag_buffer_status
[i
] |=
507 MPT3_DIAG_BUFFER_IS_DIAG_RESET
;
519 * Called when application request fasyn callback handler.
522 _ctl_fasync(int fd
, struct file
*filep
, int mode
)
524 return fasync_helper(fd
, filep
, mode
, &async_queue
);
534 _ctl_poll(struct file
*filep
, poll_table
*wait
)
536 struct MPT3SAS_ADAPTER
*ioc
;
538 poll_wait(filep
, &ctl_poll_wait
, wait
);
540 /* global ioc lock to protect controller on list operations */
541 spin_lock(&gioc_lock
);
542 list_for_each_entry(ioc
, &mpt3sas_ioc_list
, list
) {
543 if (ioc
->aen_event_read_flag
) {
544 spin_unlock(&gioc_lock
);
545 return POLLIN
| POLLRDNORM
;
548 spin_unlock(&gioc_lock
);
553 * _ctl_set_task_mid - assign an active smid to tm request
554 * @ioc: per adapter object
555 * @karg - (struct mpt3_ioctl_command)
556 * @tm_request - pointer to mf from user space
558 * Returns 0 when an smid if found, else fail.
559 * during failure, the reply frame is filled.
562 _ctl_set_task_mid(struct MPT3SAS_ADAPTER
*ioc
, struct mpt3_ioctl_command
*karg
,
563 Mpi2SCSITaskManagementRequest_t
*tm_request
)
568 struct scsi_cmnd
*scmd
;
569 struct MPT3SAS_DEVICE
*priv_data
;
571 Mpi2SCSITaskManagementReply_t
*tm_reply
;
576 if (tm_request
->TaskType
== MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK
)
578 else if (tm_request
->TaskType
== MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK
)
583 lun
= scsilun_to_int((struct scsi_lun
*)tm_request
->LUN
);
585 handle
= le16_to_cpu(tm_request
->DevHandle
);
586 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
587 for (i
= ioc
->scsiio_depth
; i
&& !found
; i
--) {
588 scmd
= ioc
->scsi_lookup
[i
- 1].scmd
;
589 if (scmd
== NULL
|| scmd
->device
== NULL
||
590 scmd
->device
->hostdata
== NULL
)
592 if (lun
!= scmd
->device
->lun
)
594 priv_data
= scmd
->device
->hostdata
;
595 if (priv_data
->sas_target
== NULL
)
597 if (priv_data
->sas_target
->handle
!= handle
)
599 tm_request
->TaskMID
= cpu_to_le16(ioc
->scsi_lookup
[i
- 1].smid
);
602 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
605 dctlprintk(ioc
, pr_info(MPT3SAS_FMT
606 "%s: handle(0x%04x), lun(%d), no active mid!!\n",
608 desc
, le16_to_cpu(tm_request
->DevHandle
), lun
));
609 tm_reply
= ioc
->ctl_cmds
.reply
;
610 tm_reply
->DevHandle
= tm_request
->DevHandle
;
611 tm_reply
->Function
= MPI2_FUNCTION_SCSI_TASK_MGMT
;
612 tm_reply
->TaskType
= tm_request
->TaskType
;
613 tm_reply
->MsgLength
= sizeof(Mpi2SCSITaskManagementReply_t
)/4;
614 tm_reply
->VP_ID
= tm_request
->VP_ID
;
615 tm_reply
->VF_ID
= tm_request
->VF_ID
;
616 sz
= min_t(u32
, karg
->max_reply_bytes
, ioc
->reply_sz
);
617 if (copy_to_user(karg
->reply_frame_buf_ptr
, ioc
->ctl_cmds
.reply
,
619 pr_err("failure at %s:%d/%s()!\n", __FILE__
,
624 dctlprintk(ioc
, pr_info(MPT3SAS_FMT
625 "%s: handle(0x%04x), lun(%d), task_mid(%d)\n", ioc
->name
,
626 desc
, le16_to_cpu(tm_request
->DevHandle
), lun
,
627 le16_to_cpu(tm_request
->TaskMID
)));
632 * _ctl_do_mpt_command - main handler for MPT3COMMAND opcode
633 * @ioc: per adapter object
634 * @karg - (struct mpt3_ioctl_command)
635 * @mf - pointer to mf in user space
638 _ctl_do_mpt_command(struct MPT3SAS_ADAPTER
*ioc
, struct mpt3_ioctl_command karg
,
641 MPI2RequestHeader_t
*mpi_request
= NULL
, *request
;
642 MPI2DefaultReply_t
*mpi_reply
;
645 unsigned long timeout
;
649 void *data_out
= NULL
;
650 dma_addr_t data_out_dma
= 0;
651 size_t data_out_sz
= 0;
652 void *data_in
= NULL
;
653 dma_addr_t data_in_dma
= 0;
654 size_t data_in_sz
= 0;
656 u16 wait_state_count
;
657 u16 device_handle
= MPT3SAS_INVALID_DEVICE_HANDLE
;
661 if (ioc
->ctl_cmds
.status
!= MPT3_CMD_NOT_USED
) {
662 pr_err(MPT3SAS_FMT
"%s: ctl_cmd in use\n",
663 ioc
->name
, __func__
);
668 wait_state_count
= 0;
669 ioc_state
= mpt3sas_base_get_iocstate(ioc
, 1);
670 while (ioc_state
!= MPI2_IOC_STATE_OPERATIONAL
) {
671 if (wait_state_count
++ == 10) {
673 "%s: failed due to ioc not operational\n",
674 ioc
->name
, __func__
);
679 ioc_state
= mpt3sas_base_get_iocstate(ioc
, 1);
681 "%s: waiting for operational state(count=%d)\n",
683 __func__
, wait_state_count
);
685 if (wait_state_count
)
686 pr_info(MPT3SAS_FMT
"%s: ioc is operational\n",
687 ioc
->name
, __func__
);
689 mpi_request
= kzalloc(ioc
->request_sz
, GFP_KERNEL
);
692 "%s: failed obtaining a memory for mpi_request\n",
693 ioc
->name
, __func__
);
698 /* Check for overflow and wraparound */
699 if (karg
.data_sge_offset
* 4 > ioc
->request_sz
||
700 karg
.data_sge_offset
> (UINT_MAX
/ 4)) {
705 /* copy in request message frame from user */
706 if (copy_from_user(mpi_request
, mf
, karg
.data_sge_offset
*4)) {
707 pr_err("failure at %s:%d/%s()!\n", __FILE__
, __LINE__
,
713 if (mpi_request
->Function
== MPI2_FUNCTION_SCSI_TASK_MGMT
) {
714 smid
= mpt3sas_base_get_smid_hpr(ioc
, ioc
->ctl_cb_idx
);
716 pr_err(MPT3SAS_FMT
"%s: failed obtaining a smid\n",
717 ioc
->name
, __func__
);
723 smid
= mpt3sas_base_get_smid_scsiio(ioc
, ioc
->ctl_cb_idx
, NULL
);
725 pr_err(MPT3SAS_FMT
"%s: failed obtaining a smid\n",
726 ioc
->name
, __func__
);
733 ioc
->ctl_cmds
.status
= MPT3_CMD_PENDING
;
734 memset(ioc
->ctl_cmds
.reply
, 0, ioc
->reply_sz
);
735 request
= mpt3sas_base_get_msg_frame(ioc
, smid
);
736 memcpy(request
, mpi_request
, karg
.data_sge_offset
*4);
737 ioc
->ctl_cmds
.smid
= smid
;
738 data_out_sz
= karg
.data_out_size
;
739 data_in_sz
= karg
.data_in_size
;
741 if (mpi_request
->Function
== MPI2_FUNCTION_SCSI_IO_REQUEST
||
742 mpi_request
->Function
== MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH
||
743 mpi_request
->Function
== MPI2_FUNCTION_SCSI_TASK_MGMT
||
744 mpi_request
->Function
== MPI2_FUNCTION_SATA_PASSTHROUGH
) {
746 device_handle
= le16_to_cpu(mpi_request
->FunctionDependent1
);
747 if (!device_handle
|| (device_handle
>
748 ioc
->facts
.MaxDevHandle
)) {
750 mpt3sas_base_free_smid(ioc
, smid
);
755 /* obtain dma-able memory for data transfer */
756 if (data_out_sz
) /* WRITE */ {
757 data_out
= pci_alloc_consistent(ioc
->pdev
, data_out_sz
,
760 pr_err("failure at %s:%d/%s()!\n", __FILE__
,
763 mpt3sas_base_free_smid(ioc
, smid
);
766 if (copy_from_user(data_out
, karg
.data_out_buf_ptr
,
768 pr_err("failure at %s:%d/%s()!\n", __FILE__
,
771 mpt3sas_base_free_smid(ioc
, smid
);
776 if (data_in_sz
) /* READ */ {
777 data_in
= pci_alloc_consistent(ioc
->pdev
, data_in_sz
,
780 pr_err("failure at %s:%d/%s()!\n", __FILE__
,
783 mpt3sas_base_free_smid(ioc
, smid
);
788 psge
= (void *)request
+ (karg
.data_sge_offset
*4);
790 /* send command to firmware */
791 _ctl_display_some_debug(ioc
, smid
, "ctl_request", NULL
);
793 init_completion(&ioc
->ctl_cmds
.done
);
794 switch (mpi_request
->Function
) {
795 case MPI2_FUNCTION_SCSI_IO_REQUEST
:
796 case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH
:
798 Mpi2SCSIIORequest_t
*scsiio_request
=
799 (Mpi2SCSIIORequest_t
*)request
;
800 scsiio_request
->SenseBufferLength
= SCSI_SENSE_BUFFERSIZE
;
801 scsiio_request
->SenseBufferLowAddress
=
802 mpt3sas_base_get_sense_buffer_dma(ioc
, smid
);
803 memset(ioc
->ctl_cmds
.sense
, 0, SCSI_SENSE_BUFFERSIZE
);
804 if (test_bit(device_handle
, ioc
->device_remove_in_progress
)) {
805 dtmprintk(ioc
, pr_info(MPT3SAS_FMT
806 "handle(0x%04x) :ioctl failed due to device removal in progress\n",
807 ioc
->name
, device_handle
));
808 mpt3sas_base_free_smid(ioc
, smid
);
812 ioc
->build_sg(ioc
, psge
, data_out_dma
, data_out_sz
,
813 data_in_dma
, data_in_sz
);
814 if (mpi_request
->Function
== MPI2_FUNCTION_SCSI_IO_REQUEST
)
815 ioc
->put_smid_scsi_io(ioc
, smid
, device_handle
);
817 ioc
->put_smid_default(ioc
, smid
);
820 case MPI2_FUNCTION_SCSI_TASK_MGMT
:
822 Mpi2SCSITaskManagementRequest_t
*tm_request
=
823 (Mpi2SCSITaskManagementRequest_t
*)request
;
825 dtmprintk(ioc
, pr_info(MPT3SAS_FMT
826 "TASK_MGMT: handle(0x%04x), task_type(0x%02x)\n",
828 le16_to_cpu(tm_request
->DevHandle
), tm_request
->TaskType
));
829 ioc
->got_task_abort_from_ioctl
= 1;
830 if (tm_request
->TaskType
==
831 MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK
||
832 tm_request
->TaskType
==
833 MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK
) {
834 if (_ctl_set_task_mid(ioc
, &karg
, tm_request
)) {
835 mpt3sas_base_free_smid(ioc
, smid
);
836 ioc
->got_task_abort_from_ioctl
= 0;
840 ioc
->got_task_abort_from_ioctl
= 0;
842 if (test_bit(device_handle
, ioc
->device_remove_in_progress
)) {
843 dtmprintk(ioc
, pr_info(MPT3SAS_FMT
844 "handle(0x%04x) :ioctl failed due to device removal in progress\n",
845 ioc
->name
, device_handle
));
846 mpt3sas_base_free_smid(ioc
, smid
);
850 mpt3sas_scsih_set_tm_flag(ioc
, le16_to_cpu(
851 tm_request
->DevHandle
));
852 ioc
->build_sg_mpi(ioc
, psge
, data_out_dma
, data_out_sz
,
853 data_in_dma
, data_in_sz
);
854 ioc
->put_smid_hi_priority(ioc
, smid
, 0);
857 case MPI2_FUNCTION_SMP_PASSTHROUGH
:
859 Mpi2SmpPassthroughRequest_t
*smp_request
=
860 (Mpi2SmpPassthroughRequest_t
*)mpi_request
;
863 /* ioc determines which port to use */
864 smp_request
->PhysicalPort
= 0xFF;
865 if (smp_request
->PassthroughFlags
&
866 MPI2_SMP_PT_REQ_PT_FLAGS_IMMEDIATE
)
867 data
= (u8
*)&smp_request
->SGL
;
869 if (unlikely(data_out
== NULL
)) {
870 pr_err("failure at %s:%d/%s()!\n",
871 __FILE__
, __LINE__
, __func__
);
872 mpt3sas_base_free_smid(ioc
, smid
);
879 if (data
[1] == 0x91 && (data
[10] == 1 || data
[10] == 2)) {
880 ioc
->ioc_link_reset_in_progress
= 1;
881 ioc
->ignore_loginfos
= 1;
883 ioc
->build_sg(ioc
, psge
, data_out_dma
, data_out_sz
, data_in_dma
,
885 ioc
->put_smid_default(ioc
, smid
);
888 case MPI2_FUNCTION_SATA_PASSTHROUGH
:
890 if (test_bit(device_handle
, ioc
->device_remove_in_progress
)) {
891 dtmprintk(ioc
, pr_info(MPT3SAS_FMT
892 "handle(0x%04x) :ioctl failed due to device removal in progress\n",
893 ioc
->name
, device_handle
));
894 mpt3sas_base_free_smid(ioc
, smid
);
898 ioc
->build_sg(ioc
, psge
, data_out_dma
, data_out_sz
, data_in_dma
,
900 ioc
->put_smid_default(ioc
, smid
);
903 case MPI2_FUNCTION_FW_DOWNLOAD
:
904 case MPI2_FUNCTION_FW_UPLOAD
:
906 ioc
->build_sg(ioc
, psge
, data_out_dma
, data_out_sz
, data_in_dma
,
908 ioc
->put_smid_default(ioc
, smid
);
911 case MPI2_FUNCTION_TOOLBOX
:
913 Mpi2ToolboxCleanRequest_t
*toolbox_request
=
914 (Mpi2ToolboxCleanRequest_t
*)mpi_request
;
916 if (toolbox_request
->Tool
== MPI2_TOOLBOX_DIAGNOSTIC_CLI_TOOL
) {
917 ioc
->build_sg(ioc
, psge
, data_out_dma
, data_out_sz
,
918 data_in_dma
, data_in_sz
);
920 ioc
->build_sg_mpi(ioc
, psge
, data_out_dma
, data_out_sz
,
921 data_in_dma
, data_in_sz
);
923 ioc
->put_smid_default(ioc
, smid
);
926 case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL
:
928 Mpi2SasIoUnitControlRequest_t
*sasiounit_request
=
929 (Mpi2SasIoUnitControlRequest_t
*)mpi_request
;
931 if (sasiounit_request
->Operation
== MPI2_SAS_OP_PHY_HARD_RESET
932 || sasiounit_request
->Operation
==
933 MPI2_SAS_OP_PHY_LINK_RESET
) {
934 ioc
->ioc_link_reset_in_progress
= 1;
935 ioc
->ignore_loginfos
= 1;
937 /* drop to default case for posting the request */
940 ioc
->build_sg_mpi(ioc
, psge
, data_out_dma
, data_out_sz
,
941 data_in_dma
, data_in_sz
);
942 ioc
->put_smid_default(ioc
, smid
);
946 if (karg
.timeout
< MPT3_IOCTL_DEFAULT_TIMEOUT
)
947 timeout
= MPT3_IOCTL_DEFAULT_TIMEOUT
;
949 timeout
= karg
.timeout
;
950 wait_for_completion_timeout(&ioc
->ctl_cmds
.done
, timeout
*HZ
);
951 if (mpi_request
->Function
== MPI2_FUNCTION_SCSI_TASK_MGMT
) {
952 Mpi2SCSITaskManagementRequest_t
*tm_request
=
953 (Mpi2SCSITaskManagementRequest_t
*)mpi_request
;
954 mpt3sas_scsih_clear_tm_flag(ioc
, le16_to_cpu(
955 tm_request
->DevHandle
));
956 mpt3sas_trigger_master(ioc
, MASTER_TRIGGER_TASK_MANAGMENT
);
957 } else if ((mpi_request
->Function
== MPI2_FUNCTION_SMP_PASSTHROUGH
||
958 mpi_request
->Function
== MPI2_FUNCTION_SAS_IO_UNIT_CONTROL
) &&
959 ioc
->ioc_link_reset_in_progress
) {
960 ioc
->ioc_link_reset_in_progress
= 0;
961 ioc
->ignore_loginfos
= 0;
963 if (!(ioc
->ctl_cmds
.status
& MPT3_CMD_COMPLETE
)) {
964 pr_err(MPT3SAS_FMT
"%s: timeout\n", ioc
->name
,
966 _debug_dump_mf(mpi_request
, karg
.data_sge_offset
);
967 if (!(ioc
->ctl_cmds
.status
& MPT3_CMD_RESET
))
969 goto issue_host_reset
;
972 mpi_reply
= ioc
->ctl_cmds
.reply
;
974 if (mpi_reply
->Function
== MPI2_FUNCTION_SCSI_TASK_MGMT
&&
975 (ioc
->logging_level
& MPT_DEBUG_TM
)) {
976 Mpi2SCSITaskManagementReply_t
*tm_reply
=
977 (Mpi2SCSITaskManagementReply_t
*)mpi_reply
;
979 pr_info(MPT3SAS_FMT
"TASK_MGMT: " \
980 "IOCStatus(0x%04x), IOCLogInfo(0x%08x), "
981 "TerminationCount(0x%08x)\n", ioc
->name
,
982 le16_to_cpu(tm_reply
->IOCStatus
),
983 le32_to_cpu(tm_reply
->IOCLogInfo
),
984 le32_to_cpu(tm_reply
->TerminationCount
));
987 /* copy out xdata to user */
989 if (copy_to_user(karg
.data_in_buf_ptr
, data_in
,
991 pr_err("failure at %s:%d/%s()!\n", __FILE__
,
998 /* copy out reply message frame to user */
999 if (karg
.max_reply_bytes
) {
1000 sz
= min_t(u32
, karg
.max_reply_bytes
, ioc
->reply_sz
);
1001 if (copy_to_user(karg
.reply_frame_buf_ptr
, ioc
->ctl_cmds
.reply
,
1003 pr_err("failure at %s:%d/%s()!\n", __FILE__
,
1004 __LINE__
, __func__
);
1010 /* copy out sense to user */
1011 if (karg
.max_sense_bytes
&& (mpi_request
->Function
==
1012 MPI2_FUNCTION_SCSI_IO_REQUEST
|| mpi_request
->Function
==
1013 MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH
)) {
1014 sz
= min_t(u32
, karg
.max_sense_bytes
, SCSI_SENSE_BUFFERSIZE
);
1015 if (copy_to_user(karg
.sense_data_ptr
, ioc
->ctl_cmds
.sense
,
1017 pr_err("failure at %s:%d/%s()!\n", __FILE__
,
1018 __LINE__
, __func__
);
1027 if ((mpi_request
->Function
== MPI2_FUNCTION_SCSI_IO_REQUEST
||
1028 mpi_request
->Function
==
1029 MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH
||
1030 mpi_request
->Function
== MPI2_FUNCTION_SATA_PASSTHROUGH
)) {
1031 pr_info(MPT3SAS_FMT
"issue target reset: handle = (0x%04x)\n",
1033 le16_to_cpu(mpi_request
->FunctionDependent1
));
1034 mpt3sas_halt_firmware(ioc
);
1035 mpt3sas_scsih_issue_locked_tm(ioc
,
1036 le16_to_cpu(mpi_request
->FunctionDependent1
), 0, 0,
1037 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET
, 0, 30);
1039 mpt3sas_base_hard_reset_handler(ioc
, FORCE_BIG_HAMMER
);
1044 /* free memory associated with sg buffers */
1046 pci_free_consistent(ioc
->pdev
, data_in_sz
, data_in
,
1050 pci_free_consistent(ioc
->pdev
, data_out_sz
, data_out
,
1054 ioc
->ctl_cmds
.status
= MPT3_CMD_NOT_USED
;
1059 * _ctl_getiocinfo - main handler for MPT3IOCINFO opcode
1060 * @ioc: per adapter object
1061 * @arg - user space buffer containing ioctl content
1064 _ctl_getiocinfo(struct MPT3SAS_ADAPTER
*ioc
, void __user
*arg
)
1066 struct mpt3_ioctl_iocinfo karg
;
1068 if (copy_from_user(&karg
, arg
, sizeof(karg
))) {
1069 pr_err("failure at %s:%d/%s()!\n",
1070 __FILE__
, __LINE__
, __func__
);
1074 dctlprintk(ioc
, pr_info(MPT3SAS_FMT
"%s: enter\n", ioc
->name
,
1077 memset(&karg
, 0 , sizeof(karg
));
1079 karg
.port_number
= ioc
->pfacts
[0].PortNumber
;
1080 karg
.hw_rev
= ioc
->pdev
->revision
;
1081 karg
.pci_id
= ioc
->pdev
->device
;
1082 karg
.subsystem_device
= ioc
->pdev
->subsystem_device
;
1083 karg
.subsystem_vendor
= ioc
->pdev
->subsystem_vendor
;
1084 karg
.pci_information
.u
.bits
.bus
= ioc
->pdev
->bus
->number
;
1085 karg
.pci_information
.u
.bits
.device
= PCI_SLOT(ioc
->pdev
->devfn
);
1086 karg
.pci_information
.u
.bits
.function
= PCI_FUNC(ioc
->pdev
->devfn
);
1087 karg
.pci_information
.segment_id
= pci_domain_nr(ioc
->pdev
->bus
);
1088 karg
.firmware_version
= ioc
->facts
.FWVersion
.Word
;
1089 strcpy(karg
.driver_version
, ioc
->driver_name
);
1090 strcat(karg
.driver_version
, "-");
1091 switch (ioc
->hba_mpi_version_belonged
) {
1093 if (ioc
->is_warpdrive
)
1094 karg
.adapter_type
= MPT2_IOCTL_INTERFACE_SAS2_SSS6200
;
1096 karg
.adapter_type
= MPT2_IOCTL_INTERFACE_SAS2
;
1097 strcat(karg
.driver_version
, MPT2SAS_DRIVER_VERSION
);
1101 if (ioc
->is_gen35_ioc
)
1102 karg
.adapter_type
= MPT3_IOCTL_INTERFACE_SAS35
;
1104 karg
.adapter_type
= MPT3_IOCTL_INTERFACE_SAS3
;
1105 strcat(karg
.driver_version
, MPT3SAS_DRIVER_VERSION
);
1108 karg
.bios_version
= le32_to_cpu(ioc
->bios_pg3
.BiosVersion
);
1110 if (copy_to_user(arg
, &karg
, sizeof(karg
))) {
1111 pr_err("failure at %s:%d/%s()!\n",
1112 __FILE__
, __LINE__
, __func__
);
1119 * _ctl_eventquery - main handler for MPT3EVENTQUERY opcode
1120 * @ioc: per adapter object
1121 * @arg - user space buffer containing ioctl content
1124 _ctl_eventquery(struct MPT3SAS_ADAPTER
*ioc
, void __user
*arg
)
1126 struct mpt3_ioctl_eventquery karg
;
1128 if (copy_from_user(&karg
, arg
, sizeof(karg
))) {
1129 pr_err("failure at %s:%d/%s()!\n",
1130 __FILE__
, __LINE__
, __func__
);
1134 dctlprintk(ioc
, pr_info(MPT3SAS_FMT
"%s: enter\n", ioc
->name
,
1137 karg
.event_entries
= MPT3SAS_CTL_EVENT_LOG_SIZE
;
1138 memcpy(karg
.event_types
, ioc
->event_type
,
1139 MPI2_EVENT_NOTIFY_EVENTMASK_WORDS
* sizeof(u32
));
1141 if (copy_to_user(arg
, &karg
, sizeof(karg
))) {
1142 pr_err("failure at %s:%d/%s()!\n",
1143 __FILE__
, __LINE__
, __func__
);
1150 * _ctl_eventenable - main handler for MPT3EVENTENABLE opcode
1151 * @ioc: per adapter object
1152 * @arg - user space buffer containing ioctl content
1155 _ctl_eventenable(struct MPT3SAS_ADAPTER
*ioc
, void __user
*arg
)
1157 struct mpt3_ioctl_eventenable karg
;
1159 if (copy_from_user(&karg
, arg
, sizeof(karg
))) {
1160 pr_err("failure at %s:%d/%s()!\n",
1161 __FILE__
, __LINE__
, __func__
);
1165 dctlprintk(ioc
, pr_info(MPT3SAS_FMT
"%s: enter\n", ioc
->name
,
1168 memcpy(ioc
->event_type
, karg
.event_types
,
1169 MPI2_EVENT_NOTIFY_EVENTMASK_WORDS
* sizeof(u32
));
1170 mpt3sas_base_validate_event_type(ioc
, ioc
->event_type
);
1174 /* initialize event_log */
1175 ioc
->event_context
= 0;
1176 ioc
->aen_event_read_flag
= 0;
1177 ioc
->event_log
= kcalloc(MPT3SAS_CTL_EVENT_LOG_SIZE
,
1178 sizeof(struct MPT3_IOCTL_EVENTS
), GFP_KERNEL
);
1179 if (!ioc
->event_log
) {
1180 pr_err("failure at %s:%d/%s()!\n",
1181 __FILE__
, __LINE__
, __func__
);
1188 * _ctl_eventreport - main handler for MPT3EVENTREPORT opcode
1189 * @ioc: per adapter object
1190 * @arg - user space buffer containing ioctl content
1193 _ctl_eventreport(struct MPT3SAS_ADAPTER
*ioc
, void __user
*arg
)
1195 struct mpt3_ioctl_eventreport karg
;
1196 u32 number_bytes
, max_events
, max
;
1197 struct mpt3_ioctl_eventreport __user
*uarg
= arg
;
1199 if (copy_from_user(&karg
, arg
, sizeof(karg
))) {
1200 pr_err("failure at %s:%d/%s()!\n",
1201 __FILE__
, __LINE__
, __func__
);
1205 dctlprintk(ioc
, pr_info(MPT3SAS_FMT
"%s: enter\n", ioc
->name
,
1208 number_bytes
= karg
.hdr
.max_data_size
-
1209 sizeof(struct mpt3_ioctl_header
);
1210 max_events
= number_bytes
/sizeof(struct MPT3_IOCTL_EVENTS
);
1211 max
= min_t(u32
, MPT3SAS_CTL_EVENT_LOG_SIZE
, max_events
);
1213 /* If fewer than 1 event is requested, there must have
1214 * been some type of error.
1216 if (!max
|| !ioc
->event_log
)
1219 number_bytes
= max
* sizeof(struct MPT3_IOCTL_EVENTS
);
1220 if (copy_to_user(uarg
->event_data
, ioc
->event_log
, number_bytes
)) {
1221 pr_err("failure at %s:%d/%s()!\n",
1222 __FILE__
, __LINE__
, __func__
);
1226 /* reset flag so SIGIO can restart */
1227 ioc
->aen_event_read_flag
= 0;
1232 * _ctl_do_reset - main handler for MPT3HARDRESET opcode
1233 * @ioc: per adapter object
1234 * @arg - user space buffer containing ioctl content
1237 _ctl_do_reset(struct MPT3SAS_ADAPTER
*ioc
, void __user
*arg
)
1239 struct mpt3_ioctl_diag_reset karg
;
1242 if (copy_from_user(&karg
, arg
, sizeof(karg
))) {
1243 pr_err("failure at %s:%d/%s()!\n",
1244 __FILE__
, __LINE__
, __func__
);
1248 if (ioc
->shost_recovery
|| ioc
->pci_error_recovery
||
1249 ioc
->is_driver_loading
)
1252 dctlprintk(ioc
, pr_info(MPT3SAS_FMT
"%s: enter\n", ioc
->name
,
1255 retval
= mpt3sas_base_hard_reset_handler(ioc
, FORCE_BIG_HAMMER
);
1256 pr_info(MPT3SAS_FMT
"host reset: %s\n",
1257 ioc
->name
, ((!retval
) ? "SUCCESS" : "FAILED"));
1262 * _ctl_btdh_search_sas_device - searching for sas device
1263 * @ioc: per adapter object
1264 * @btdh: btdh ioctl payload
1267 _ctl_btdh_search_sas_device(struct MPT3SAS_ADAPTER
*ioc
,
1268 struct mpt3_ioctl_btdh_mapping
*btdh
)
1270 struct _sas_device
*sas_device
;
1271 unsigned long flags
;
1274 if (list_empty(&ioc
->sas_device_list
))
1277 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1278 list_for_each_entry(sas_device
, &ioc
->sas_device_list
, list
) {
1279 if (btdh
->bus
== 0xFFFFFFFF && btdh
->id
== 0xFFFFFFFF &&
1280 btdh
->handle
== sas_device
->handle
) {
1281 btdh
->bus
= sas_device
->channel
;
1282 btdh
->id
= sas_device
->id
;
1285 } else if (btdh
->bus
== sas_device
->channel
&& btdh
->id
==
1286 sas_device
->id
&& btdh
->handle
== 0xFFFF) {
1287 btdh
->handle
= sas_device
->handle
;
1293 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1298 * _ctl_btdh_search_raid_device - searching for raid device
1299 * @ioc: per adapter object
1300 * @btdh: btdh ioctl payload
1303 _ctl_btdh_search_raid_device(struct MPT3SAS_ADAPTER
*ioc
,
1304 struct mpt3_ioctl_btdh_mapping
*btdh
)
1306 struct _raid_device
*raid_device
;
1307 unsigned long flags
;
1310 if (list_empty(&ioc
->raid_device_list
))
1313 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1314 list_for_each_entry(raid_device
, &ioc
->raid_device_list
, list
) {
1315 if (btdh
->bus
== 0xFFFFFFFF && btdh
->id
== 0xFFFFFFFF &&
1316 btdh
->handle
== raid_device
->handle
) {
1317 btdh
->bus
= raid_device
->channel
;
1318 btdh
->id
= raid_device
->id
;
1321 } else if (btdh
->bus
== raid_device
->channel
&& btdh
->id
==
1322 raid_device
->id
&& btdh
->handle
== 0xFFFF) {
1323 btdh
->handle
= raid_device
->handle
;
1329 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1334 * _ctl_btdh_mapping - main handler for MPT3BTDHMAPPING opcode
1335 * @ioc: per adapter object
1336 * @arg - user space buffer containing ioctl content
1339 _ctl_btdh_mapping(struct MPT3SAS_ADAPTER
*ioc
, void __user
*arg
)
1341 struct mpt3_ioctl_btdh_mapping karg
;
1344 if (copy_from_user(&karg
, arg
, sizeof(karg
))) {
1345 pr_err("failure at %s:%d/%s()!\n",
1346 __FILE__
, __LINE__
, __func__
);
1350 dctlprintk(ioc
, pr_info(MPT3SAS_FMT
"%s\n", ioc
->name
,
1353 rc
= _ctl_btdh_search_sas_device(ioc
, &karg
);
1355 _ctl_btdh_search_raid_device(ioc
, &karg
);
1357 if (copy_to_user(arg
, &karg
, sizeof(karg
))) {
1358 pr_err("failure at %s:%d/%s()!\n",
1359 __FILE__
, __LINE__
, __func__
);
1366 * _ctl_diag_capability - return diag buffer capability
1367 * @ioc: per adapter object
1368 * @buffer_type: specifies either TRACE, SNAPSHOT, or EXTENDED
1370 * returns 1 when diag buffer support is enabled in firmware
1373 _ctl_diag_capability(struct MPT3SAS_ADAPTER
*ioc
, u8 buffer_type
)
1377 switch (buffer_type
) {
1378 case MPI2_DIAG_BUF_TYPE_TRACE
:
1379 if (ioc
->facts
.IOCCapabilities
&
1380 MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER
)
1383 case MPI2_DIAG_BUF_TYPE_SNAPSHOT
:
1384 if (ioc
->facts
.IOCCapabilities
&
1385 MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER
)
1388 case MPI2_DIAG_BUF_TYPE_EXTENDED
:
1389 if (ioc
->facts
.IOCCapabilities
&
1390 MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER
)
1399 * _ctl_diag_register_2 - wrapper for registering diag buffer support
1400 * @ioc: per adapter object
1401 * @diag_register: the diag_register struct passed in from user space
1405 _ctl_diag_register_2(struct MPT3SAS_ADAPTER
*ioc
,
1406 struct mpt3_diag_register
*diag_register
)
1409 void *request_data
= NULL
;
1410 dma_addr_t request_data_dma
;
1411 u32 request_data_sz
= 0;
1412 Mpi2DiagBufferPostRequest_t
*mpi_request
;
1413 Mpi2DiagBufferPostReply_t
*mpi_reply
;
1420 dctlprintk(ioc
, pr_info(MPT3SAS_FMT
"%s\n", ioc
->name
,
1423 ioc_state
= mpt3sas_base_get_iocstate(ioc
, 1);
1424 if (ioc_state
!= MPI2_IOC_STATE_OPERATIONAL
) {
1426 "%s: failed due to ioc not operational\n",
1427 ioc
->name
, __func__
);
1432 if (ioc
->ctl_cmds
.status
!= MPT3_CMD_NOT_USED
) {
1433 pr_err(MPT3SAS_FMT
"%s: ctl_cmd in use\n",
1434 ioc
->name
, __func__
);
1439 buffer_type
= diag_register
->buffer_type
;
1440 if (!_ctl_diag_capability(ioc
, buffer_type
)) {
1442 "%s: doesn't have capability for buffer_type(0x%02x)\n",
1443 ioc
->name
, __func__
, buffer_type
);
1447 if (ioc
->diag_buffer_status
[buffer_type
] &
1448 MPT3_DIAG_BUFFER_IS_REGISTERED
) {
1450 "%s: already has a registered buffer for buffer_type(0x%02x)\n",
1451 ioc
->name
, __func__
,
1456 if (diag_register
->requested_buffer_size
% 4) {
1458 "%s: the requested_buffer_size is not 4 byte aligned\n",
1459 ioc
->name
, __func__
);
1463 smid
= mpt3sas_base_get_smid(ioc
, ioc
->ctl_cb_idx
);
1465 pr_err(MPT3SAS_FMT
"%s: failed obtaining a smid\n",
1466 ioc
->name
, __func__
);
1472 ioc
->ctl_cmds
.status
= MPT3_CMD_PENDING
;
1473 memset(ioc
->ctl_cmds
.reply
, 0, ioc
->reply_sz
);
1474 mpi_request
= mpt3sas_base_get_msg_frame(ioc
, smid
);
1475 ioc
->ctl_cmds
.smid
= smid
;
1477 request_data
= ioc
->diag_buffer
[buffer_type
];
1478 request_data_sz
= diag_register
->requested_buffer_size
;
1479 ioc
->unique_id
[buffer_type
] = diag_register
->unique_id
;
1480 ioc
->diag_buffer_status
[buffer_type
] = 0;
1481 memcpy(ioc
->product_specific
[buffer_type
],
1482 diag_register
->product_specific
, MPT3_PRODUCT_SPECIFIC_DWORDS
);
1483 ioc
->diagnostic_flags
[buffer_type
] = diag_register
->diagnostic_flags
;
1486 request_data_dma
= ioc
->diag_buffer_dma
[buffer_type
];
1487 if (request_data_sz
!= ioc
->diag_buffer_sz
[buffer_type
]) {
1488 pci_free_consistent(ioc
->pdev
,
1489 ioc
->diag_buffer_sz
[buffer_type
],
1490 request_data
, request_data_dma
);
1491 request_data
= NULL
;
1495 if (request_data
== NULL
) {
1496 ioc
->diag_buffer_sz
[buffer_type
] = 0;
1497 ioc
->diag_buffer_dma
[buffer_type
] = 0;
1498 request_data
= pci_alloc_consistent(
1499 ioc
->pdev
, request_data_sz
, &request_data_dma
);
1500 if (request_data
== NULL
) {
1501 pr_err(MPT3SAS_FMT
"%s: failed allocating memory" \
1502 " for diag buffers, requested size(%d)\n",
1503 ioc
->name
, __func__
, request_data_sz
);
1504 mpt3sas_base_free_smid(ioc
, smid
);
1507 ioc
->diag_buffer
[buffer_type
] = request_data
;
1508 ioc
->diag_buffer_sz
[buffer_type
] = request_data_sz
;
1509 ioc
->diag_buffer_dma
[buffer_type
] = request_data_dma
;
1512 mpi_request
->Function
= MPI2_FUNCTION_DIAG_BUFFER_POST
;
1513 mpi_request
->BufferType
= diag_register
->buffer_type
;
1514 mpi_request
->Flags
= cpu_to_le32(diag_register
->diagnostic_flags
);
1515 mpi_request
->BufferAddress
= cpu_to_le64(request_data_dma
);
1516 mpi_request
->BufferLength
= cpu_to_le32(request_data_sz
);
1517 mpi_request
->VF_ID
= 0; /* TODO */
1518 mpi_request
->VP_ID
= 0;
1520 dctlprintk(ioc
, pr_info(MPT3SAS_FMT
1521 "%s: diag_buffer(0x%p), dma(0x%llx), sz(%d)\n",
1522 ioc
->name
, __func__
, request_data
,
1523 (unsigned long long)request_data_dma
,
1524 le32_to_cpu(mpi_request
->BufferLength
)));
1526 for (i
= 0; i
< MPT3_PRODUCT_SPECIFIC_DWORDS
; i
++)
1527 mpi_request
->ProductSpecific
[i
] =
1528 cpu_to_le32(ioc
->product_specific
[buffer_type
][i
]);
1530 init_completion(&ioc
->ctl_cmds
.done
);
1531 ioc
->put_smid_default(ioc
, smid
);
1532 wait_for_completion_timeout(&ioc
->ctl_cmds
.done
,
1533 MPT3_IOCTL_DEFAULT_TIMEOUT
*HZ
);
1535 if (!(ioc
->ctl_cmds
.status
& MPT3_CMD_COMPLETE
)) {
1536 pr_err(MPT3SAS_FMT
"%s: timeout\n", ioc
->name
,
1538 _debug_dump_mf(mpi_request
,
1539 sizeof(Mpi2DiagBufferPostRequest_t
)/4);
1540 if (!(ioc
->ctl_cmds
.status
& MPT3_CMD_RESET
))
1542 goto issue_host_reset
;
1545 /* process the completed Reply Message Frame */
1546 if ((ioc
->ctl_cmds
.status
& MPT3_CMD_REPLY_VALID
) == 0) {
1547 pr_err(MPT3SAS_FMT
"%s: no reply message\n",
1548 ioc
->name
, __func__
);
1553 mpi_reply
= ioc
->ctl_cmds
.reply
;
1554 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
) & MPI2_IOCSTATUS_MASK
;
1556 if (ioc_status
== MPI2_IOCSTATUS_SUCCESS
) {
1557 ioc
->diag_buffer_status
[buffer_type
] |=
1558 MPT3_DIAG_BUFFER_IS_REGISTERED
;
1559 dctlprintk(ioc
, pr_info(MPT3SAS_FMT
"%s: success\n",
1560 ioc
->name
, __func__
));
1563 "%s: ioc_status(0x%04x) log_info(0x%08x)\n",
1564 ioc
->name
, __func__
,
1565 ioc_status
, le32_to_cpu(mpi_reply
->IOCLogInfo
));
1571 mpt3sas_base_hard_reset_handler(ioc
, FORCE_BIG_HAMMER
);
1575 if (rc
&& request_data
)
1576 pci_free_consistent(ioc
->pdev
, request_data_sz
,
1577 request_data
, request_data_dma
);
1579 ioc
->ctl_cmds
.status
= MPT3_CMD_NOT_USED
;
1584 * mpt3sas_enable_diag_buffer - enabling diag_buffers support driver load time
1585 * @ioc: per adapter object
1586 * @bits_to_register: bitwise field where trace is bit 0, and snapshot is bit 1
1588 * This is called when command line option diag_buffer_enable is enabled
1589 * at driver load time.
1592 mpt3sas_enable_diag_buffer(struct MPT3SAS_ADAPTER
*ioc
, u8 bits_to_register
)
1594 struct mpt3_diag_register diag_register
;
1596 memset(&diag_register
, 0, sizeof(struct mpt3_diag_register
));
1598 if (bits_to_register
& 1) {
1599 pr_info(MPT3SAS_FMT
"registering trace buffer support\n",
1601 ioc
->diag_trigger_master
.MasterData
=
1602 (MASTER_TRIGGER_FW_FAULT
+ MASTER_TRIGGER_ADAPTER_RESET
);
1603 diag_register
.buffer_type
= MPI2_DIAG_BUF_TYPE_TRACE
;
1604 /* register for 2MB buffers */
1605 diag_register
.requested_buffer_size
= 2 * (1024 * 1024);
1606 diag_register
.unique_id
= 0x7075900;
1607 _ctl_diag_register_2(ioc
, &diag_register
);
1610 if (bits_to_register
& 2) {
1611 pr_info(MPT3SAS_FMT
"registering snapshot buffer support\n",
1613 diag_register
.buffer_type
= MPI2_DIAG_BUF_TYPE_SNAPSHOT
;
1614 /* register for 2MB buffers */
1615 diag_register
.requested_buffer_size
= 2 * (1024 * 1024);
1616 diag_register
.unique_id
= 0x7075901;
1617 _ctl_diag_register_2(ioc
, &diag_register
);
1620 if (bits_to_register
& 4) {
1621 pr_info(MPT3SAS_FMT
"registering extended buffer support\n",
1623 diag_register
.buffer_type
= MPI2_DIAG_BUF_TYPE_EXTENDED
;
1624 /* register for 2MB buffers */
1625 diag_register
.requested_buffer_size
= 2 * (1024 * 1024);
1626 diag_register
.unique_id
= 0x7075901;
1627 _ctl_diag_register_2(ioc
, &diag_register
);
1632 * _ctl_diag_register - application register with driver
1633 * @ioc: per adapter object
1634 * @arg - user space buffer containing ioctl content
1636 * This will allow the driver to setup any required buffers that will be
1637 * needed by firmware to communicate with the driver.
1640 _ctl_diag_register(struct MPT3SAS_ADAPTER
*ioc
, void __user
*arg
)
1642 struct mpt3_diag_register karg
;
1645 if (copy_from_user(&karg
, arg
, sizeof(karg
))) {
1646 pr_err("failure at %s:%d/%s()!\n",
1647 __FILE__
, __LINE__
, __func__
);
1651 rc
= _ctl_diag_register_2(ioc
, &karg
);
1656 * _ctl_diag_unregister - application unregister with driver
1657 * @ioc: per adapter object
1658 * @arg - user space buffer containing ioctl content
1660 * This will allow the driver to cleanup any memory allocated for diag
1661 * messages and to free up any resources.
1664 _ctl_diag_unregister(struct MPT3SAS_ADAPTER
*ioc
, void __user
*arg
)
1666 struct mpt3_diag_unregister karg
;
1668 dma_addr_t request_data_dma
;
1669 u32 request_data_sz
;
1672 if (copy_from_user(&karg
, arg
, sizeof(karg
))) {
1673 pr_err("failure at %s:%d/%s()!\n",
1674 __FILE__
, __LINE__
, __func__
);
1678 dctlprintk(ioc
, pr_info(MPT3SAS_FMT
"%s\n", ioc
->name
,
1681 buffer_type
= karg
.unique_id
& 0x000000ff;
1682 if (!_ctl_diag_capability(ioc
, buffer_type
)) {
1684 "%s: doesn't have capability for buffer_type(0x%02x)\n",
1685 ioc
->name
, __func__
, buffer_type
);
1689 if ((ioc
->diag_buffer_status
[buffer_type
] &
1690 MPT3_DIAG_BUFFER_IS_REGISTERED
) == 0) {
1692 "%s: buffer_type(0x%02x) is not registered\n",
1693 ioc
->name
, __func__
, buffer_type
);
1696 if ((ioc
->diag_buffer_status
[buffer_type
] &
1697 MPT3_DIAG_BUFFER_IS_RELEASED
) == 0) {
1699 "%s: buffer_type(0x%02x) has not been released\n",
1700 ioc
->name
, __func__
, buffer_type
);
1704 if (karg
.unique_id
!= ioc
->unique_id
[buffer_type
]) {
1706 "%s: unique_id(0x%08x) is not registered\n",
1707 ioc
->name
, __func__
, karg
.unique_id
);
1711 request_data
= ioc
->diag_buffer
[buffer_type
];
1712 if (!request_data
) {
1714 "%s: doesn't have memory allocated for buffer_type(0x%02x)\n",
1715 ioc
->name
, __func__
, buffer_type
);
1719 request_data_sz
= ioc
->diag_buffer_sz
[buffer_type
];
1720 request_data_dma
= ioc
->diag_buffer_dma
[buffer_type
];
1721 pci_free_consistent(ioc
->pdev
, request_data_sz
,
1722 request_data
, request_data_dma
);
1723 ioc
->diag_buffer
[buffer_type
] = NULL
;
1724 ioc
->diag_buffer_status
[buffer_type
] = 0;
1729 * _ctl_diag_query - query relevant info associated with diag buffers
1730 * @ioc: per adapter object
1731 * @arg - user space buffer containing ioctl content
1733 * The application will send only buffer_type and unique_id. Driver will
1734 * inspect unique_id first, if valid, fill in all the info. If unique_id is
1735 * 0x00, the driver will return info specified by Buffer Type.
1738 _ctl_diag_query(struct MPT3SAS_ADAPTER
*ioc
, void __user
*arg
)
1740 struct mpt3_diag_query karg
;
1745 if (copy_from_user(&karg
, arg
, sizeof(karg
))) {
1746 pr_err("failure at %s:%d/%s()!\n",
1747 __FILE__
, __LINE__
, __func__
);
1751 dctlprintk(ioc
, pr_info(MPT3SAS_FMT
"%s\n", ioc
->name
,
1754 karg
.application_flags
= 0;
1755 buffer_type
= karg
.buffer_type
;
1757 if (!_ctl_diag_capability(ioc
, buffer_type
)) {
1759 "%s: doesn't have capability for buffer_type(0x%02x)\n",
1760 ioc
->name
, __func__
, buffer_type
);
1764 if ((ioc
->diag_buffer_status
[buffer_type
] &
1765 MPT3_DIAG_BUFFER_IS_REGISTERED
) == 0) {
1767 "%s: buffer_type(0x%02x) is not registered\n",
1768 ioc
->name
, __func__
, buffer_type
);
1772 if (karg
.unique_id
& 0xffffff00) {
1773 if (karg
.unique_id
!= ioc
->unique_id
[buffer_type
]) {
1775 "%s: unique_id(0x%08x) is not registered\n",
1776 ioc
->name
, __func__
, karg
.unique_id
);
1781 request_data
= ioc
->diag_buffer
[buffer_type
];
1782 if (!request_data
) {
1784 "%s: doesn't have buffer for buffer_type(0x%02x)\n",
1785 ioc
->name
, __func__
, buffer_type
);
1789 if (ioc
->diag_buffer_status
[buffer_type
] & MPT3_DIAG_BUFFER_IS_RELEASED
)
1790 karg
.application_flags
= (MPT3_APP_FLAGS_APP_OWNED
|
1791 MPT3_APP_FLAGS_BUFFER_VALID
);
1793 karg
.application_flags
= (MPT3_APP_FLAGS_APP_OWNED
|
1794 MPT3_APP_FLAGS_BUFFER_VALID
|
1795 MPT3_APP_FLAGS_FW_BUFFER_ACCESS
);
1797 for (i
= 0; i
< MPT3_PRODUCT_SPECIFIC_DWORDS
; i
++)
1798 karg
.product_specific
[i
] =
1799 ioc
->product_specific
[buffer_type
][i
];
1801 karg
.total_buffer_size
= ioc
->diag_buffer_sz
[buffer_type
];
1802 karg
.driver_added_buffer_size
= 0;
1803 karg
.unique_id
= ioc
->unique_id
[buffer_type
];
1804 karg
.diagnostic_flags
= ioc
->diagnostic_flags
[buffer_type
];
1806 if (copy_to_user(arg
, &karg
, sizeof(struct mpt3_diag_query
))) {
1808 "%s: unable to write mpt3_diag_query data @ %p\n",
1809 ioc
->name
, __func__
, arg
);
1816 * mpt3sas_send_diag_release - Diag Release Message
1817 * @ioc: per adapter object
1818 * @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED
1819 * @issue_reset - specifies whether host reset is required.
1823 mpt3sas_send_diag_release(struct MPT3SAS_ADAPTER
*ioc
, u8 buffer_type
,
1826 Mpi2DiagReleaseRequest_t
*mpi_request
;
1827 Mpi2DiagReleaseReply_t
*mpi_reply
;
1833 dctlprintk(ioc
, pr_info(MPT3SAS_FMT
"%s\n", ioc
->name
,
1839 ioc_state
= mpt3sas_base_get_iocstate(ioc
, 1);
1840 if (ioc_state
!= MPI2_IOC_STATE_OPERATIONAL
) {
1841 if (ioc
->diag_buffer_status
[buffer_type
] &
1842 MPT3_DIAG_BUFFER_IS_REGISTERED
)
1843 ioc
->diag_buffer_status
[buffer_type
] |=
1844 MPT3_DIAG_BUFFER_IS_RELEASED
;
1845 dctlprintk(ioc
, pr_info(MPT3SAS_FMT
1846 "%s: skipping due to FAULT state\n", ioc
->name
,
1852 if (ioc
->ctl_cmds
.status
!= MPT3_CMD_NOT_USED
) {
1853 pr_err(MPT3SAS_FMT
"%s: ctl_cmd in use\n",
1854 ioc
->name
, __func__
);
1859 smid
= mpt3sas_base_get_smid(ioc
, ioc
->ctl_cb_idx
);
1861 pr_err(MPT3SAS_FMT
"%s: failed obtaining a smid\n",
1862 ioc
->name
, __func__
);
1867 ioc
->ctl_cmds
.status
= MPT3_CMD_PENDING
;
1868 memset(ioc
->ctl_cmds
.reply
, 0, ioc
->reply_sz
);
1869 mpi_request
= mpt3sas_base_get_msg_frame(ioc
, smid
);
1870 ioc
->ctl_cmds
.smid
= smid
;
1872 mpi_request
->Function
= MPI2_FUNCTION_DIAG_RELEASE
;
1873 mpi_request
->BufferType
= buffer_type
;
1874 mpi_request
->VF_ID
= 0; /* TODO */
1875 mpi_request
->VP_ID
= 0;
1877 init_completion(&ioc
->ctl_cmds
.done
);
1878 ioc
->put_smid_default(ioc
, smid
);
1879 wait_for_completion_timeout(&ioc
->ctl_cmds
.done
,
1880 MPT3_IOCTL_DEFAULT_TIMEOUT
*HZ
);
1882 if (!(ioc
->ctl_cmds
.status
& MPT3_CMD_COMPLETE
)) {
1883 pr_err(MPT3SAS_FMT
"%s: timeout\n", ioc
->name
,
1885 _debug_dump_mf(mpi_request
,
1886 sizeof(Mpi2DiagReleaseRequest_t
)/4);
1887 if (!(ioc
->ctl_cmds
.status
& MPT3_CMD_RESET
))
1893 /* process the completed Reply Message Frame */
1894 if ((ioc
->ctl_cmds
.status
& MPT3_CMD_REPLY_VALID
) == 0) {
1895 pr_err(MPT3SAS_FMT
"%s: no reply message\n",
1896 ioc
->name
, __func__
);
1901 mpi_reply
= ioc
->ctl_cmds
.reply
;
1902 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
) & MPI2_IOCSTATUS_MASK
;
1904 if (ioc_status
== MPI2_IOCSTATUS_SUCCESS
) {
1905 ioc
->diag_buffer_status
[buffer_type
] |=
1906 MPT3_DIAG_BUFFER_IS_RELEASED
;
1907 dctlprintk(ioc
, pr_info(MPT3SAS_FMT
"%s: success\n",
1908 ioc
->name
, __func__
));
1911 "%s: ioc_status(0x%04x) log_info(0x%08x)\n",
1912 ioc
->name
, __func__
,
1913 ioc_status
, le32_to_cpu(mpi_reply
->IOCLogInfo
));
1918 ioc
->ctl_cmds
.status
= MPT3_CMD_NOT_USED
;
1923 * _ctl_diag_release - request to send Diag Release Message to firmware
1924 * @arg - user space buffer containing ioctl content
1926 * This allows ownership of the specified buffer to returned to the driver,
1927 * allowing an application to read the buffer without fear that firmware is
1928 * overwriting information in the buffer.
1931 _ctl_diag_release(struct MPT3SAS_ADAPTER
*ioc
, void __user
*arg
)
1933 struct mpt3_diag_release karg
;
1939 if (copy_from_user(&karg
, arg
, sizeof(karg
))) {
1940 pr_err("failure at %s:%d/%s()!\n",
1941 __FILE__
, __LINE__
, __func__
);
1945 dctlprintk(ioc
, pr_info(MPT3SAS_FMT
"%s\n", ioc
->name
,
1948 buffer_type
= karg
.unique_id
& 0x000000ff;
1949 if (!_ctl_diag_capability(ioc
, buffer_type
)) {
1951 "%s: doesn't have capability for buffer_type(0x%02x)\n",
1952 ioc
->name
, __func__
, buffer_type
);
1956 if ((ioc
->diag_buffer_status
[buffer_type
] &
1957 MPT3_DIAG_BUFFER_IS_REGISTERED
) == 0) {
1959 "%s: buffer_type(0x%02x) is not registered\n",
1960 ioc
->name
, __func__
, buffer_type
);
1964 if (karg
.unique_id
!= ioc
->unique_id
[buffer_type
]) {
1966 "%s: unique_id(0x%08x) is not registered\n",
1967 ioc
->name
, __func__
, karg
.unique_id
);
1971 if (ioc
->diag_buffer_status
[buffer_type
] &
1972 MPT3_DIAG_BUFFER_IS_RELEASED
) {
1974 "%s: buffer_type(0x%02x) is already released\n",
1975 ioc
->name
, __func__
,
1980 request_data
= ioc
->diag_buffer
[buffer_type
];
1982 if (!request_data
) {
1984 "%s: doesn't have memory allocated for buffer_type(0x%02x)\n",
1985 ioc
->name
, __func__
, buffer_type
);
1989 /* buffers were released by due to host reset */
1990 if ((ioc
->diag_buffer_status
[buffer_type
] &
1991 MPT3_DIAG_BUFFER_IS_DIAG_RESET
)) {
1992 ioc
->diag_buffer_status
[buffer_type
] |=
1993 MPT3_DIAG_BUFFER_IS_RELEASED
;
1994 ioc
->diag_buffer_status
[buffer_type
] &=
1995 ~MPT3_DIAG_BUFFER_IS_DIAG_RESET
;
1997 "%s: buffer_type(0x%02x) was released due to host reset\n",
1998 ioc
->name
, __func__
, buffer_type
);
2002 rc
= mpt3sas_send_diag_release(ioc
, buffer_type
, &issue_reset
);
2005 mpt3sas_base_hard_reset_handler(ioc
, FORCE_BIG_HAMMER
);
2011 * _ctl_diag_read_buffer - request for copy of the diag buffer
2012 * @ioc: per adapter object
2013 * @arg - user space buffer containing ioctl content
2016 _ctl_diag_read_buffer(struct MPT3SAS_ADAPTER
*ioc
, void __user
*arg
)
2018 struct mpt3_diag_read_buffer karg
;
2019 struct mpt3_diag_read_buffer __user
*uarg
= arg
;
2020 void *request_data
, *diag_data
;
2021 Mpi2DiagBufferPostRequest_t
*mpi_request
;
2022 Mpi2DiagBufferPostReply_t
*mpi_reply
;
2025 unsigned long request_size
, copy_size
;
2030 if (copy_from_user(&karg
, arg
, sizeof(karg
))) {
2031 pr_err("failure at %s:%d/%s()!\n",
2032 __FILE__
, __LINE__
, __func__
);
2036 dctlprintk(ioc
, pr_info(MPT3SAS_FMT
"%s\n", ioc
->name
,
2039 buffer_type
= karg
.unique_id
& 0x000000ff;
2040 if (!_ctl_diag_capability(ioc
, buffer_type
)) {
2042 "%s: doesn't have capability for buffer_type(0x%02x)\n",
2043 ioc
->name
, __func__
, buffer_type
);
2047 if (karg
.unique_id
!= ioc
->unique_id
[buffer_type
]) {
2049 "%s: unique_id(0x%08x) is not registered\n",
2050 ioc
->name
, __func__
, karg
.unique_id
);
2054 request_data
= ioc
->diag_buffer
[buffer_type
];
2055 if (!request_data
) {
2057 "%s: doesn't have buffer for buffer_type(0x%02x)\n",
2058 ioc
->name
, __func__
, buffer_type
);
2062 request_size
= ioc
->diag_buffer_sz
[buffer_type
];
2064 if ((karg
.starting_offset
% 4) || (karg
.bytes_to_read
% 4)) {
2065 pr_err(MPT3SAS_FMT
"%s: either the starting_offset " \
2066 "or bytes_to_read are not 4 byte aligned\n", ioc
->name
,
2071 if (karg
.starting_offset
> request_size
)
2074 diag_data
= (void *)(request_data
+ karg
.starting_offset
);
2075 dctlprintk(ioc
, pr_info(MPT3SAS_FMT
2076 "%s: diag_buffer(%p), offset(%d), sz(%d)\n",
2077 ioc
->name
, __func__
,
2078 diag_data
, karg
.starting_offset
, karg
.bytes_to_read
));
2080 /* Truncate data on requests that are too large */
2081 if ((diag_data
+ karg
.bytes_to_read
< diag_data
) ||
2082 (diag_data
+ karg
.bytes_to_read
> request_data
+ request_size
))
2083 copy_size
= request_size
- karg
.starting_offset
;
2085 copy_size
= karg
.bytes_to_read
;
2087 if (copy_to_user((void __user
*)uarg
->diagnostic_data
,
2088 diag_data
, copy_size
)) {
2090 "%s: Unable to write mpt_diag_read_buffer_t data @ %p\n",
2091 ioc
->name
, __func__
, diag_data
);
2095 if ((karg
.flags
& MPT3_FLAGS_REREGISTER
) == 0)
2098 dctlprintk(ioc
, pr_info(MPT3SAS_FMT
2099 "%s: Reregister buffer_type(0x%02x)\n",
2100 ioc
->name
, __func__
, buffer_type
));
2101 if ((ioc
->diag_buffer_status
[buffer_type
] &
2102 MPT3_DIAG_BUFFER_IS_RELEASED
) == 0) {
2103 dctlprintk(ioc
, pr_info(MPT3SAS_FMT
2104 "%s: buffer_type(0x%02x) is still registered\n",
2105 ioc
->name
, __func__
, buffer_type
));
2108 /* Get a free request frame and save the message context.
2111 if (ioc
->ctl_cmds
.status
!= MPT3_CMD_NOT_USED
) {
2112 pr_err(MPT3SAS_FMT
"%s: ctl_cmd in use\n",
2113 ioc
->name
, __func__
);
2118 smid
= mpt3sas_base_get_smid(ioc
, ioc
->ctl_cb_idx
);
2120 pr_err(MPT3SAS_FMT
"%s: failed obtaining a smid\n",
2121 ioc
->name
, __func__
);
2127 ioc
->ctl_cmds
.status
= MPT3_CMD_PENDING
;
2128 memset(ioc
->ctl_cmds
.reply
, 0, ioc
->reply_sz
);
2129 mpi_request
= mpt3sas_base_get_msg_frame(ioc
, smid
);
2130 ioc
->ctl_cmds
.smid
= smid
;
2132 mpi_request
->Function
= MPI2_FUNCTION_DIAG_BUFFER_POST
;
2133 mpi_request
->BufferType
= buffer_type
;
2134 mpi_request
->BufferLength
=
2135 cpu_to_le32(ioc
->diag_buffer_sz
[buffer_type
]);
2136 mpi_request
->BufferAddress
=
2137 cpu_to_le64(ioc
->diag_buffer_dma
[buffer_type
]);
2138 for (i
= 0; i
< MPT3_PRODUCT_SPECIFIC_DWORDS
; i
++)
2139 mpi_request
->ProductSpecific
[i
] =
2140 cpu_to_le32(ioc
->product_specific
[buffer_type
][i
]);
2141 mpi_request
->VF_ID
= 0; /* TODO */
2142 mpi_request
->VP_ID
= 0;
2144 init_completion(&ioc
->ctl_cmds
.done
);
2145 ioc
->put_smid_default(ioc
, smid
);
2146 wait_for_completion_timeout(&ioc
->ctl_cmds
.done
,
2147 MPT3_IOCTL_DEFAULT_TIMEOUT
*HZ
);
2149 if (!(ioc
->ctl_cmds
.status
& MPT3_CMD_COMPLETE
)) {
2150 pr_err(MPT3SAS_FMT
"%s: timeout\n", ioc
->name
,
2152 _debug_dump_mf(mpi_request
,
2153 sizeof(Mpi2DiagBufferPostRequest_t
)/4);
2154 if (!(ioc
->ctl_cmds
.status
& MPT3_CMD_RESET
))
2156 goto issue_host_reset
;
2159 /* process the completed Reply Message Frame */
2160 if ((ioc
->ctl_cmds
.status
& MPT3_CMD_REPLY_VALID
) == 0) {
2161 pr_err(MPT3SAS_FMT
"%s: no reply message\n",
2162 ioc
->name
, __func__
);
2167 mpi_reply
= ioc
->ctl_cmds
.reply
;
2168 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
) & MPI2_IOCSTATUS_MASK
;
2170 if (ioc_status
== MPI2_IOCSTATUS_SUCCESS
) {
2171 ioc
->diag_buffer_status
[buffer_type
] |=
2172 MPT3_DIAG_BUFFER_IS_REGISTERED
;
2173 dctlprintk(ioc
, pr_info(MPT3SAS_FMT
"%s: success\n",
2174 ioc
->name
, __func__
));
2177 "%s: ioc_status(0x%04x) log_info(0x%08x)\n",
2178 ioc
->name
, __func__
,
2179 ioc_status
, le32_to_cpu(mpi_reply
->IOCLogInfo
));
2185 mpt3sas_base_hard_reset_handler(ioc
, FORCE_BIG_HAMMER
);
2189 ioc
->ctl_cmds
.status
= MPT3_CMD_NOT_USED
;
2195 #ifdef CONFIG_COMPAT
2197 * _ctl_compat_mpt_command - convert 32bit pointers to 64bit.
2198 * @ioc: per adapter object
2199 * @cmd - ioctl opcode
2200 * @arg - (struct mpt3_ioctl_command32)
2202 * MPT3COMMAND32 - Handle 32bit applications running on 64bit os.
2205 _ctl_compat_mpt_command(struct MPT3SAS_ADAPTER
*ioc
, unsigned cmd
,
2208 struct mpt3_ioctl_command32 karg32
;
2209 struct mpt3_ioctl_command32 __user
*uarg
;
2210 struct mpt3_ioctl_command karg
;
2212 if (_IOC_SIZE(cmd
) != sizeof(struct mpt3_ioctl_command32
))
2215 uarg
= (struct mpt3_ioctl_command32 __user
*) arg
;
2217 if (copy_from_user(&karg32
, (char __user
*)arg
, sizeof(karg32
))) {
2218 pr_err("failure at %s:%d/%s()!\n",
2219 __FILE__
, __LINE__
, __func__
);
2223 memset(&karg
, 0, sizeof(struct mpt3_ioctl_command
));
2224 karg
.hdr
.ioc_number
= karg32
.hdr
.ioc_number
;
2225 karg
.hdr
.port_number
= karg32
.hdr
.port_number
;
2226 karg
.hdr
.max_data_size
= karg32
.hdr
.max_data_size
;
2227 karg
.timeout
= karg32
.timeout
;
2228 karg
.max_reply_bytes
= karg32
.max_reply_bytes
;
2229 karg
.data_in_size
= karg32
.data_in_size
;
2230 karg
.data_out_size
= karg32
.data_out_size
;
2231 karg
.max_sense_bytes
= karg32
.max_sense_bytes
;
2232 karg
.data_sge_offset
= karg32
.data_sge_offset
;
2233 karg
.reply_frame_buf_ptr
= compat_ptr(karg32
.reply_frame_buf_ptr
);
2234 karg
.data_in_buf_ptr
= compat_ptr(karg32
.data_in_buf_ptr
);
2235 karg
.data_out_buf_ptr
= compat_ptr(karg32
.data_out_buf_ptr
);
2236 karg
.sense_data_ptr
= compat_ptr(karg32
.sense_data_ptr
);
2237 return _ctl_do_mpt_command(ioc
, karg
, &uarg
->mf
);
2242 * _ctl_ioctl_main - main ioctl entry point
2243 * @file - (struct file)
2244 * @cmd - ioctl opcode
2245 * @arg - user space data buffer
2246 * @compat - handles 32 bit applications in 64bit os
2247 * @mpi_version: will be MPI2_VERSION for mpt2ctl ioctl device &
2248 * MPI25_VERSION | MPI26_VERSION for mpt3ctl ioctl device.
2251 _ctl_ioctl_main(struct file
*file
, unsigned int cmd
, void __user
*arg
,
2252 u8 compat
, u16 mpi_version
)
2254 struct MPT3SAS_ADAPTER
*ioc
;
2255 struct mpt3_ioctl_header ioctl_header
;
2256 enum block_state state
;
2259 /* get IOCTL header */
2260 if (copy_from_user(&ioctl_header
, (char __user
*)arg
,
2261 sizeof(struct mpt3_ioctl_header
))) {
2262 pr_err("failure at %s:%d/%s()!\n",
2263 __FILE__
, __LINE__
, __func__
);
2267 if (_ctl_verify_adapter(ioctl_header
.ioc_number
,
2268 &ioc
, mpi_version
) == -1 || !ioc
)
2271 /* pci_access_mutex lock acquired by ioctl path */
2272 mutex_lock(&ioc
->pci_access_mutex
);
2274 if (ioc
->shost_recovery
|| ioc
->pci_error_recovery
||
2275 ioc
->is_driver_loading
|| ioc
->remove_host
) {
2277 goto out_unlock_pciaccess
;
2280 state
= (file
->f_flags
& O_NONBLOCK
) ? NON_BLOCKING
: BLOCKING
;
2281 if (state
== NON_BLOCKING
) {
2282 if (!mutex_trylock(&ioc
->ctl_cmds
.mutex
)) {
2284 goto out_unlock_pciaccess
;
2286 } else if (mutex_lock_interruptible(&ioc
->ctl_cmds
.mutex
)) {
2288 goto out_unlock_pciaccess
;
2294 if (_IOC_SIZE(cmd
) == sizeof(struct mpt3_ioctl_iocinfo
))
2295 ret
= _ctl_getiocinfo(ioc
, arg
);
2297 #ifdef CONFIG_COMPAT
2302 struct mpt3_ioctl_command __user
*uarg
;
2303 struct mpt3_ioctl_command karg
;
2305 #ifdef CONFIG_COMPAT
2307 ret
= _ctl_compat_mpt_command(ioc
, cmd
, arg
);
2311 if (copy_from_user(&karg
, arg
, sizeof(karg
))) {
2312 pr_err("failure at %s:%d/%s()!\n",
2313 __FILE__
, __LINE__
, __func__
);
2318 if (_IOC_SIZE(cmd
) == sizeof(struct mpt3_ioctl_command
)) {
2320 ret
= _ctl_do_mpt_command(ioc
, karg
, &uarg
->mf
);
2324 case MPT3EVENTQUERY
:
2325 if (_IOC_SIZE(cmd
) == sizeof(struct mpt3_ioctl_eventquery
))
2326 ret
= _ctl_eventquery(ioc
, arg
);
2328 case MPT3EVENTENABLE
:
2329 if (_IOC_SIZE(cmd
) == sizeof(struct mpt3_ioctl_eventenable
))
2330 ret
= _ctl_eventenable(ioc
, arg
);
2332 case MPT3EVENTREPORT
:
2333 ret
= _ctl_eventreport(ioc
, arg
);
2336 if (_IOC_SIZE(cmd
) == sizeof(struct mpt3_ioctl_diag_reset
))
2337 ret
= _ctl_do_reset(ioc
, arg
);
2339 case MPT3BTDHMAPPING
:
2340 if (_IOC_SIZE(cmd
) == sizeof(struct mpt3_ioctl_btdh_mapping
))
2341 ret
= _ctl_btdh_mapping(ioc
, arg
);
2343 case MPT3DIAGREGISTER
:
2344 if (_IOC_SIZE(cmd
) == sizeof(struct mpt3_diag_register
))
2345 ret
= _ctl_diag_register(ioc
, arg
);
2347 case MPT3DIAGUNREGISTER
:
2348 if (_IOC_SIZE(cmd
) == sizeof(struct mpt3_diag_unregister
))
2349 ret
= _ctl_diag_unregister(ioc
, arg
);
2352 if (_IOC_SIZE(cmd
) == sizeof(struct mpt3_diag_query
))
2353 ret
= _ctl_diag_query(ioc
, arg
);
2355 case MPT3DIAGRELEASE
:
2356 if (_IOC_SIZE(cmd
) == sizeof(struct mpt3_diag_release
))
2357 ret
= _ctl_diag_release(ioc
, arg
);
2359 case MPT3DIAGREADBUFFER
:
2360 if (_IOC_SIZE(cmd
) == sizeof(struct mpt3_diag_read_buffer
))
2361 ret
= _ctl_diag_read_buffer(ioc
, arg
);
2364 dctlprintk(ioc
, pr_info(MPT3SAS_FMT
2365 "unsupported ioctl opcode(0x%08x)\n", ioc
->name
, cmd
));
2369 mutex_unlock(&ioc
->ctl_cmds
.mutex
);
2370 out_unlock_pciaccess
:
2371 mutex_unlock(&ioc
->pci_access_mutex
);
2376 * _ctl_ioctl - mpt3ctl main ioctl entry point (unlocked)
2377 * @file - (struct file)
2378 * @cmd - ioctl opcode
2382 _ctl_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
2386 /* pass MPI25_VERSION | MPI26_VERSION value,
2387 * to indicate that this ioctl cmd
2388 * came from mpt3ctl ioctl device.
2390 ret
= _ctl_ioctl_main(file
, cmd
, (void __user
*)arg
, 0,
2391 MPI25_VERSION
| MPI26_VERSION
);
2396 * _ctl_mpt2_ioctl - mpt2ctl main ioctl entry point (unlocked)
2397 * @file - (struct file)
2398 * @cmd - ioctl opcode
2402 _ctl_mpt2_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
2406 /* pass MPI2_VERSION value, to indicate that this ioctl cmd
2407 * came from mpt2ctl ioctl device.
2409 ret
= _ctl_ioctl_main(file
, cmd
, (void __user
*)arg
, 0, MPI2_VERSION
);
2412 #ifdef CONFIG_COMPAT
2414 *_ ctl_ioctl_compat - main ioctl entry point (compat)
2419 * This routine handles 32 bit applications in 64bit os.
2422 _ctl_ioctl_compat(struct file
*file
, unsigned cmd
, unsigned long arg
)
2426 ret
= _ctl_ioctl_main(file
, cmd
, (void __user
*)arg
, 1,
2427 MPI25_VERSION
| MPI26_VERSION
);
2432 *_ ctl_mpt2_ioctl_compat - main ioctl entry point (compat)
2437 * This routine handles 32 bit applications in 64bit os.
2440 _ctl_mpt2_ioctl_compat(struct file
*file
, unsigned cmd
, unsigned long arg
)
2444 ret
= _ctl_ioctl_main(file
, cmd
, (void __user
*)arg
, 1, MPI2_VERSION
);
2449 /* scsi host attributes */
2451 * _ctl_version_fw_show - firmware version
2452 * @cdev - pointer to embedded class device
2453 * @buf - the buffer returned
2455 * A sysfs 'read-only' shost attribute.
2458 _ctl_version_fw_show(struct device
*cdev
, struct device_attribute
*attr
,
2461 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2462 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
2464 return snprintf(buf
, PAGE_SIZE
, "%02d.%02d.%02d.%02d\n",
2465 (ioc
->facts
.FWVersion
.Word
& 0xFF000000) >> 24,
2466 (ioc
->facts
.FWVersion
.Word
& 0x00FF0000) >> 16,
2467 (ioc
->facts
.FWVersion
.Word
& 0x0000FF00) >> 8,
2468 ioc
->facts
.FWVersion
.Word
& 0x000000FF);
2470 static DEVICE_ATTR(version_fw
, S_IRUGO
, _ctl_version_fw_show
, NULL
);
2473 * _ctl_version_bios_show - bios version
2474 * @cdev - pointer to embedded class device
2475 * @buf - the buffer returned
2477 * A sysfs 'read-only' shost attribute.
2480 _ctl_version_bios_show(struct device
*cdev
, struct device_attribute
*attr
,
2483 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2484 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
2486 u32 version
= le32_to_cpu(ioc
->bios_pg3
.BiosVersion
);
2488 return snprintf(buf
, PAGE_SIZE
, "%02d.%02d.%02d.%02d\n",
2489 (version
& 0xFF000000) >> 24,
2490 (version
& 0x00FF0000) >> 16,
2491 (version
& 0x0000FF00) >> 8,
2492 version
& 0x000000FF);
2494 static DEVICE_ATTR(version_bios
, S_IRUGO
, _ctl_version_bios_show
, NULL
);
2497 * _ctl_version_mpi_show - MPI (message passing interface) version
2498 * @cdev - pointer to embedded class device
2499 * @buf - the buffer returned
2501 * A sysfs 'read-only' shost attribute.
2504 _ctl_version_mpi_show(struct device
*cdev
, struct device_attribute
*attr
,
2507 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2508 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
2510 return snprintf(buf
, PAGE_SIZE
, "%03x.%02x\n",
2511 ioc
->facts
.MsgVersion
, ioc
->facts
.HeaderVersion
>> 8);
2513 static DEVICE_ATTR(version_mpi
, S_IRUGO
, _ctl_version_mpi_show
, NULL
);
2516 * _ctl_version_product_show - product name
2517 * @cdev - pointer to embedded class device
2518 * @buf - the buffer returned
2520 * A sysfs 'read-only' shost attribute.
2523 _ctl_version_product_show(struct device
*cdev
, struct device_attribute
*attr
,
2526 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2527 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
2529 return snprintf(buf
, 16, "%s\n", ioc
->manu_pg0
.ChipName
);
2531 static DEVICE_ATTR(version_product
, S_IRUGO
, _ctl_version_product_show
, NULL
);
2534 * _ctl_version_nvdata_persistent_show - ndvata persistent version
2535 * @cdev - pointer to embedded class device
2536 * @buf - the buffer returned
2538 * A sysfs 'read-only' shost attribute.
2541 _ctl_version_nvdata_persistent_show(struct device
*cdev
,
2542 struct device_attribute
*attr
, char *buf
)
2544 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2545 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
2547 return snprintf(buf
, PAGE_SIZE
, "%08xh\n",
2548 le32_to_cpu(ioc
->iounit_pg0
.NvdataVersionPersistent
.Word
));
2550 static DEVICE_ATTR(version_nvdata_persistent
, S_IRUGO
,
2551 _ctl_version_nvdata_persistent_show
, NULL
);
2554 * _ctl_version_nvdata_default_show - nvdata default version
2555 * @cdev - pointer to embedded class device
2556 * @buf - the buffer returned
2558 * A sysfs 'read-only' shost attribute.
2561 _ctl_version_nvdata_default_show(struct device
*cdev
, struct device_attribute
2564 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2565 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
2567 return snprintf(buf
, PAGE_SIZE
, "%08xh\n",
2568 le32_to_cpu(ioc
->iounit_pg0
.NvdataVersionDefault
.Word
));
2570 static DEVICE_ATTR(version_nvdata_default
, S_IRUGO
,
2571 _ctl_version_nvdata_default_show
, NULL
);
2574 * _ctl_board_name_show - board name
2575 * @cdev - pointer to embedded class device
2576 * @buf - the buffer returned
2578 * A sysfs 'read-only' shost attribute.
2581 _ctl_board_name_show(struct device
*cdev
, struct device_attribute
*attr
,
2584 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2585 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
2587 return snprintf(buf
, 16, "%s\n", ioc
->manu_pg0
.BoardName
);
2589 static DEVICE_ATTR(board_name
, S_IRUGO
, _ctl_board_name_show
, NULL
);
2592 * _ctl_board_assembly_show - board assembly name
2593 * @cdev - pointer to embedded class device
2594 * @buf - the buffer returned
2596 * A sysfs 'read-only' shost attribute.
2599 _ctl_board_assembly_show(struct device
*cdev
, struct device_attribute
*attr
,
2602 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2603 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
2605 return snprintf(buf
, 16, "%s\n", ioc
->manu_pg0
.BoardAssembly
);
2607 static DEVICE_ATTR(board_assembly
, S_IRUGO
, _ctl_board_assembly_show
, NULL
);
2610 * _ctl_board_tracer_show - board tracer number
2611 * @cdev - pointer to embedded class device
2612 * @buf - the buffer returned
2614 * A sysfs 'read-only' shost attribute.
2617 _ctl_board_tracer_show(struct device
*cdev
, struct device_attribute
*attr
,
2620 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2621 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
2623 return snprintf(buf
, 16, "%s\n", ioc
->manu_pg0
.BoardTracerNumber
);
2625 static DEVICE_ATTR(board_tracer
, S_IRUGO
, _ctl_board_tracer_show
, NULL
);
2628 * _ctl_io_delay_show - io missing delay
2629 * @cdev - pointer to embedded class device
2630 * @buf - the buffer returned
2632 * This is for firmware implemention for deboucing device
2635 * A sysfs 'read-only' shost attribute.
2638 _ctl_io_delay_show(struct device
*cdev
, struct device_attribute
*attr
,
2641 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2642 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
2644 return snprintf(buf
, PAGE_SIZE
, "%02d\n", ioc
->io_missing_delay
);
2646 static DEVICE_ATTR(io_delay
, S_IRUGO
, _ctl_io_delay_show
, NULL
);
2649 * _ctl_device_delay_show - device missing delay
2650 * @cdev - pointer to embedded class device
2651 * @buf - the buffer returned
2653 * This is for firmware implemention for deboucing device
2656 * A sysfs 'read-only' shost attribute.
2659 _ctl_device_delay_show(struct device
*cdev
, struct device_attribute
*attr
,
2662 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2663 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
2665 return snprintf(buf
, PAGE_SIZE
, "%02d\n", ioc
->device_missing_delay
);
2667 static DEVICE_ATTR(device_delay
, S_IRUGO
, _ctl_device_delay_show
, NULL
);
2670 * _ctl_fw_queue_depth_show - global credits
2671 * @cdev - pointer to embedded class device
2672 * @buf - the buffer returned
2674 * This is firmware queue depth limit
2676 * A sysfs 'read-only' shost attribute.
2679 _ctl_fw_queue_depth_show(struct device
*cdev
, struct device_attribute
*attr
,
2682 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2683 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
2685 return snprintf(buf
, PAGE_SIZE
, "%02d\n", ioc
->facts
.RequestCredit
);
2687 static DEVICE_ATTR(fw_queue_depth
, S_IRUGO
, _ctl_fw_queue_depth_show
, NULL
);
2690 * _ctl_sas_address_show - sas address
2691 * @cdev - pointer to embedded class device
2692 * @buf - the buffer returned
2694 * This is the controller sas address
2696 * A sysfs 'read-only' shost attribute.
2699 _ctl_host_sas_address_show(struct device
*cdev
, struct device_attribute
*attr
,
2703 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2704 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
2706 return snprintf(buf
, PAGE_SIZE
, "0x%016llx\n",
2707 (unsigned long long)ioc
->sas_hba
.sas_address
);
2709 static DEVICE_ATTR(host_sas_address
, S_IRUGO
,
2710 _ctl_host_sas_address_show
, NULL
);
2713 * _ctl_logging_level_show - logging level
2714 * @cdev - pointer to embedded class device
2715 * @buf - the buffer returned
2717 * A sysfs 'read/write' shost attribute.
2720 _ctl_logging_level_show(struct device
*cdev
, struct device_attribute
*attr
,
2723 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2724 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
2726 return snprintf(buf
, PAGE_SIZE
, "%08xh\n", ioc
->logging_level
);
2729 _ctl_logging_level_store(struct device
*cdev
, struct device_attribute
*attr
,
2730 const char *buf
, size_t count
)
2732 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2733 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
2736 if (sscanf(buf
, "%x", &val
) != 1)
2739 ioc
->logging_level
= val
;
2740 pr_info(MPT3SAS_FMT
"logging_level=%08xh\n", ioc
->name
,
2741 ioc
->logging_level
);
2744 static DEVICE_ATTR(logging_level
, S_IRUGO
| S_IWUSR
, _ctl_logging_level_show
,
2745 _ctl_logging_level_store
);
2748 * _ctl_fwfault_debug_show - show/store fwfault_debug
2749 * @cdev - pointer to embedded class device
2750 * @buf - the buffer returned
2752 * mpt3sas_fwfault_debug is command line option
2753 * A sysfs 'read/write' shost attribute.
2756 _ctl_fwfault_debug_show(struct device
*cdev
, struct device_attribute
*attr
,
2759 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2760 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
2762 return snprintf(buf
, PAGE_SIZE
, "%d\n", ioc
->fwfault_debug
);
2765 _ctl_fwfault_debug_store(struct device
*cdev
, struct device_attribute
*attr
,
2766 const char *buf
, size_t count
)
2768 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2769 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
2772 if (sscanf(buf
, "%d", &val
) != 1)
2775 ioc
->fwfault_debug
= val
;
2776 pr_info(MPT3SAS_FMT
"fwfault_debug=%d\n", ioc
->name
,
2777 ioc
->fwfault_debug
);
2780 static DEVICE_ATTR(fwfault_debug
, S_IRUGO
| S_IWUSR
,
2781 _ctl_fwfault_debug_show
, _ctl_fwfault_debug_store
);
2784 * _ctl_ioc_reset_count_show - ioc reset count
2785 * @cdev - pointer to embedded class device
2786 * @buf - the buffer returned
2788 * This is firmware queue depth limit
2790 * A sysfs 'read-only' shost attribute.
2793 _ctl_ioc_reset_count_show(struct device
*cdev
, struct device_attribute
*attr
,
2796 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2797 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
2799 return snprintf(buf
, PAGE_SIZE
, "%d\n", ioc
->ioc_reset_count
);
2801 static DEVICE_ATTR(ioc_reset_count
, S_IRUGO
, _ctl_ioc_reset_count_show
, NULL
);
2804 * _ctl_ioc_reply_queue_count_show - number of reply queues
2805 * @cdev - pointer to embedded class device
2806 * @buf - the buffer returned
2808 * This is number of reply queues
2810 * A sysfs 'read-only' shost attribute.
2813 _ctl_ioc_reply_queue_count_show(struct device
*cdev
,
2814 struct device_attribute
*attr
, char *buf
)
2816 u8 reply_queue_count
;
2817 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2818 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
2820 if ((ioc
->facts
.IOCCapabilities
&
2821 MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX
) && ioc
->msix_enable
)
2822 reply_queue_count
= ioc
->reply_queue_count
;
2824 reply_queue_count
= 1;
2826 return snprintf(buf
, PAGE_SIZE
, "%d\n", reply_queue_count
);
2828 static DEVICE_ATTR(reply_queue_count
, S_IRUGO
, _ctl_ioc_reply_queue_count_show
,
2832 * _ctl_BRM_status_show - Backup Rail Monitor Status
2833 * @cdev - pointer to embedded class device
2834 * @buf - the buffer returned
2836 * This is number of reply queues
2838 * A sysfs 'read-only' shost attribute.
2841 _ctl_BRM_status_show(struct device
*cdev
, struct device_attribute
*attr
,
2844 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2845 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
2846 Mpi2IOUnitPage3_t
*io_unit_pg3
= NULL
;
2847 Mpi2ConfigReply_t mpi_reply
;
2848 u16 backup_rail_monitor_status
= 0;
2853 if (!ioc
->is_warpdrive
) {
2854 pr_err(MPT3SAS_FMT
"%s: BRM attribute is only for"
2855 " warpdrive\n", ioc
->name
, __func__
);
2858 /* pci_access_mutex lock acquired by sysfs show path */
2859 mutex_lock(&ioc
->pci_access_mutex
);
2860 if (ioc
->pci_error_recovery
|| ioc
->remove_host
) {
2861 mutex_unlock(&ioc
->pci_access_mutex
);
2865 /* allocate upto GPIOVal 36 entries */
2866 sz
= offsetof(Mpi2IOUnitPage3_t
, GPIOVal
) + (sizeof(u16
) * 36);
2867 io_unit_pg3
= kzalloc(sz
, GFP_KERNEL
);
2869 pr_err(MPT3SAS_FMT
"%s: failed allocating memory "
2870 "for iounit_pg3: (%d) bytes\n", ioc
->name
, __func__
, sz
);
2874 if (mpt3sas_config_get_iounit_pg3(ioc
, &mpi_reply
, io_unit_pg3
, sz
) !=
2877 "%s: failed reading iounit_pg3\n", ioc
->name
,
2882 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) & MPI2_IOCSTATUS_MASK
;
2883 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
2884 pr_err(MPT3SAS_FMT
"%s: iounit_pg3 failed with "
2885 "ioc_status(0x%04x)\n", ioc
->name
, __func__
, ioc_status
);
2889 if (io_unit_pg3
->GPIOCount
< 25) {
2890 pr_err(MPT3SAS_FMT
"%s: iounit_pg3->GPIOCount less than "
2891 "25 entries, detected (%d) entries\n", ioc
->name
, __func__
,
2892 io_unit_pg3
->GPIOCount
);
2896 /* BRM status is in bit zero of GPIOVal[24] */
2897 backup_rail_monitor_status
= le16_to_cpu(io_unit_pg3
->GPIOVal
[24]);
2898 rc
= snprintf(buf
, PAGE_SIZE
, "%d\n", (backup_rail_monitor_status
& 1));
2902 mutex_unlock(&ioc
->pci_access_mutex
);
2905 static DEVICE_ATTR(BRM_status
, S_IRUGO
, _ctl_BRM_status_show
, NULL
);
2907 struct DIAG_BUFFER_START
{
2918 * _ctl_host_trace_buffer_size_show - host buffer size (trace only)
2919 * @cdev - pointer to embedded class device
2920 * @buf - the buffer returned
2922 * A sysfs 'read-only' shost attribute.
2925 _ctl_host_trace_buffer_size_show(struct device
*cdev
,
2926 struct device_attribute
*attr
, char *buf
)
2928 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2929 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
2931 struct DIAG_BUFFER_START
*request_data
;
2933 if (!ioc
->diag_buffer
[MPI2_DIAG_BUF_TYPE_TRACE
]) {
2935 "%s: host_trace_buffer is not registered\n",
2936 ioc
->name
, __func__
);
2940 if ((ioc
->diag_buffer_status
[MPI2_DIAG_BUF_TYPE_TRACE
] &
2941 MPT3_DIAG_BUFFER_IS_REGISTERED
) == 0) {
2943 "%s: host_trace_buffer is not registered\n",
2944 ioc
->name
, __func__
);
2948 request_data
= (struct DIAG_BUFFER_START
*)
2949 ioc
->diag_buffer
[MPI2_DIAG_BUF_TYPE_TRACE
];
2950 if ((le32_to_cpu(request_data
->DiagVersion
) == 0x00000000 ||
2951 le32_to_cpu(request_data
->DiagVersion
) == 0x01000000 ||
2952 le32_to_cpu(request_data
->DiagVersion
) == 0x01010000) &&
2953 le32_to_cpu(request_data
->Reserved3
) == 0x4742444c)
2954 size
= le32_to_cpu(request_data
->Size
);
2956 ioc
->ring_buffer_sz
= size
;
2957 return snprintf(buf
, PAGE_SIZE
, "%d\n", size
);
2959 static DEVICE_ATTR(host_trace_buffer_size
, S_IRUGO
,
2960 _ctl_host_trace_buffer_size_show
, NULL
);
2963 * _ctl_host_trace_buffer_show - firmware ring buffer (trace only)
2964 * @cdev - pointer to embedded class device
2965 * @buf - the buffer returned
2967 * A sysfs 'read/write' shost attribute.
2969 * You will only be able to read 4k bytes of ring buffer at a time.
2970 * In order to read beyond 4k bytes, you will have to write out the
2971 * offset to the same attribute, it will move the pointer.
2974 _ctl_host_trace_buffer_show(struct device
*cdev
, struct device_attribute
*attr
,
2977 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2978 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
2982 if (!ioc
->diag_buffer
[MPI2_DIAG_BUF_TYPE_TRACE
]) {
2984 "%s: host_trace_buffer is not registered\n",
2985 ioc
->name
, __func__
);
2989 if ((ioc
->diag_buffer_status
[MPI2_DIAG_BUF_TYPE_TRACE
] &
2990 MPT3_DIAG_BUFFER_IS_REGISTERED
) == 0) {
2992 "%s: host_trace_buffer is not registered\n",
2993 ioc
->name
, __func__
);
2997 if (ioc
->ring_buffer_offset
> ioc
->ring_buffer_sz
)
3000 size
= ioc
->ring_buffer_sz
- ioc
->ring_buffer_offset
;
3001 size
= (size
>= PAGE_SIZE
) ? (PAGE_SIZE
- 1) : size
;
3002 request_data
= ioc
->diag_buffer
[0] + ioc
->ring_buffer_offset
;
3003 memcpy(buf
, request_data
, size
);
3008 _ctl_host_trace_buffer_store(struct device
*cdev
, struct device_attribute
*attr
,
3009 const char *buf
, size_t count
)
3011 struct Scsi_Host
*shost
= class_to_shost(cdev
);
3012 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
3015 if (sscanf(buf
, "%d", &val
) != 1)
3018 ioc
->ring_buffer_offset
= val
;
3021 static DEVICE_ATTR(host_trace_buffer
, S_IRUGO
| S_IWUSR
,
3022 _ctl_host_trace_buffer_show
, _ctl_host_trace_buffer_store
);
3025 /*****************************************/
3028 * _ctl_host_trace_buffer_enable_show - firmware ring buffer (trace only)
3029 * @cdev - pointer to embedded class device
3030 * @buf - the buffer returned
3032 * A sysfs 'read/write' shost attribute.
3034 * This is a mechnism to post/release host_trace_buffers
3037 _ctl_host_trace_buffer_enable_show(struct device
*cdev
,
3038 struct device_attribute
*attr
, char *buf
)
3040 struct Scsi_Host
*shost
= class_to_shost(cdev
);
3041 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
3043 if ((!ioc
->diag_buffer
[MPI2_DIAG_BUF_TYPE_TRACE
]) ||
3044 ((ioc
->diag_buffer_status
[MPI2_DIAG_BUF_TYPE_TRACE
] &
3045 MPT3_DIAG_BUFFER_IS_REGISTERED
) == 0))
3046 return snprintf(buf
, PAGE_SIZE
, "off\n");
3047 else if ((ioc
->diag_buffer_status
[MPI2_DIAG_BUF_TYPE_TRACE
] &
3048 MPT3_DIAG_BUFFER_IS_RELEASED
))
3049 return snprintf(buf
, PAGE_SIZE
, "release\n");
3051 return snprintf(buf
, PAGE_SIZE
, "post\n");
3055 _ctl_host_trace_buffer_enable_store(struct device
*cdev
,
3056 struct device_attribute
*attr
, const char *buf
, size_t count
)
3058 struct Scsi_Host
*shost
= class_to_shost(cdev
);
3059 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
3061 struct mpt3_diag_register diag_register
;
3064 /* don't allow post/release occurr while recovery is active */
3065 if (ioc
->shost_recovery
|| ioc
->remove_host
||
3066 ioc
->pci_error_recovery
|| ioc
->is_driver_loading
)
3069 if (sscanf(buf
, "%9s", str
) != 1)
3072 if (!strcmp(str
, "post")) {
3073 /* exit out if host buffers are already posted */
3074 if ((ioc
->diag_buffer
[MPI2_DIAG_BUF_TYPE_TRACE
]) &&
3075 (ioc
->diag_buffer_status
[MPI2_DIAG_BUF_TYPE_TRACE
] &
3076 MPT3_DIAG_BUFFER_IS_REGISTERED
) &&
3077 ((ioc
->diag_buffer_status
[MPI2_DIAG_BUF_TYPE_TRACE
] &
3078 MPT3_DIAG_BUFFER_IS_RELEASED
) == 0))
3080 memset(&diag_register
, 0, sizeof(struct mpt3_diag_register
));
3081 pr_info(MPT3SAS_FMT
"posting host trace buffers\n",
3083 diag_register
.buffer_type
= MPI2_DIAG_BUF_TYPE_TRACE
;
3084 diag_register
.requested_buffer_size
= (1024 * 1024);
3085 diag_register
.unique_id
= 0x7075900;
3086 ioc
->diag_buffer_status
[MPI2_DIAG_BUF_TYPE_TRACE
] = 0;
3087 _ctl_diag_register_2(ioc
, &diag_register
);
3088 } else if (!strcmp(str
, "release")) {
3089 /* exit out if host buffers are already released */
3090 if (!ioc
->diag_buffer
[MPI2_DIAG_BUF_TYPE_TRACE
])
3092 if ((ioc
->diag_buffer_status
[MPI2_DIAG_BUF_TYPE_TRACE
] &
3093 MPT3_DIAG_BUFFER_IS_REGISTERED
) == 0)
3095 if ((ioc
->diag_buffer_status
[MPI2_DIAG_BUF_TYPE_TRACE
] &
3096 MPT3_DIAG_BUFFER_IS_RELEASED
))
3098 pr_info(MPT3SAS_FMT
"releasing host trace buffer\n",
3100 mpt3sas_send_diag_release(ioc
, MPI2_DIAG_BUF_TYPE_TRACE
,
3107 static DEVICE_ATTR(host_trace_buffer_enable
, S_IRUGO
| S_IWUSR
,
3108 _ctl_host_trace_buffer_enable_show
,
3109 _ctl_host_trace_buffer_enable_store
);
3111 /*********** diagnostic trigger suppport *********************************/
3114 * _ctl_diag_trigger_master_show - show the diag_trigger_master attribute
3115 * @cdev - pointer to embedded class device
3116 * @buf - the buffer returned
3118 * A sysfs 'read/write' shost attribute.
3121 _ctl_diag_trigger_master_show(struct device
*cdev
,
3122 struct device_attribute
*attr
, char *buf
)
3125 struct Scsi_Host
*shost
= class_to_shost(cdev
);
3126 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
3127 unsigned long flags
;
3130 spin_lock_irqsave(&ioc
->diag_trigger_lock
, flags
);
3131 rc
= sizeof(struct SL_WH_MASTER_TRIGGER_T
);
3132 memcpy(buf
, &ioc
->diag_trigger_master
, rc
);
3133 spin_unlock_irqrestore(&ioc
->diag_trigger_lock
, flags
);
3138 * _ctl_diag_trigger_master_store - store the diag_trigger_master attribute
3139 * @cdev - pointer to embedded class device
3140 * @buf - the buffer returned
3142 * A sysfs 'read/write' shost attribute.
3145 _ctl_diag_trigger_master_store(struct device
*cdev
,
3146 struct device_attribute
*attr
, const char *buf
, size_t count
)
3149 struct Scsi_Host
*shost
= class_to_shost(cdev
);
3150 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
3151 unsigned long flags
;
3154 spin_lock_irqsave(&ioc
->diag_trigger_lock
, flags
);
3155 rc
= min(sizeof(struct SL_WH_MASTER_TRIGGER_T
), count
);
3156 memset(&ioc
->diag_trigger_master
, 0,
3157 sizeof(struct SL_WH_MASTER_TRIGGER_T
));
3158 memcpy(&ioc
->diag_trigger_master
, buf
, rc
);
3159 ioc
->diag_trigger_master
.MasterData
|=
3160 (MASTER_TRIGGER_FW_FAULT
+ MASTER_TRIGGER_ADAPTER_RESET
);
3161 spin_unlock_irqrestore(&ioc
->diag_trigger_lock
, flags
);
3164 static DEVICE_ATTR(diag_trigger_master
, S_IRUGO
| S_IWUSR
,
3165 _ctl_diag_trigger_master_show
, _ctl_diag_trigger_master_store
);
3169 * _ctl_diag_trigger_event_show - show the diag_trigger_event attribute
3170 * @cdev - pointer to embedded class device
3171 * @buf - the buffer returned
3173 * A sysfs 'read/write' shost attribute.
3176 _ctl_diag_trigger_event_show(struct device
*cdev
,
3177 struct device_attribute
*attr
, char *buf
)
3179 struct Scsi_Host
*shost
= class_to_shost(cdev
);
3180 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
3181 unsigned long flags
;
3184 spin_lock_irqsave(&ioc
->diag_trigger_lock
, flags
);
3185 rc
= sizeof(struct SL_WH_EVENT_TRIGGERS_T
);
3186 memcpy(buf
, &ioc
->diag_trigger_event
, rc
);
3187 spin_unlock_irqrestore(&ioc
->diag_trigger_lock
, flags
);
3192 * _ctl_diag_trigger_event_store - store the diag_trigger_event attribute
3193 * @cdev - pointer to embedded class device
3194 * @buf - the buffer returned
3196 * A sysfs 'read/write' shost attribute.
3199 _ctl_diag_trigger_event_store(struct device
*cdev
,
3200 struct device_attribute
*attr
, const char *buf
, size_t count
)
3203 struct Scsi_Host
*shost
= class_to_shost(cdev
);
3204 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
3205 unsigned long flags
;
3208 spin_lock_irqsave(&ioc
->diag_trigger_lock
, flags
);
3209 sz
= min(sizeof(struct SL_WH_EVENT_TRIGGERS_T
), count
);
3210 memset(&ioc
->diag_trigger_event
, 0,
3211 sizeof(struct SL_WH_EVENT_TRIGGERS_T
));
3212 memcpy(&ioc
->diag_trigger_event
, buf
, sz
);
3213 if (ioc
->diag_trigger_event
.ValidEntries
> NUM_VALID_ENTRIES
)
3214 ioc
->diag_trigger_event
.ValidEntries
= NUM_VALID_ENTRIES
;
3215 spin_unlock_irqrestore(&ioc
->diag_trigger_lock
, flags
);
3218 static DEVICE_ATTR(diag_trigger_event
, S_IRUGO
| S_IWUSR
,
3219 _ctl_diag_trigger_event_show
, _ctl_diag_trigger_event_store
);
3223 * _ctl_diag_trigger_scsi_show - show the diag_trigger_scsi attribute
3224 * @cdev - pointer to embedded class device
3225 * @buf - the buffer returned
3227 * A sysfs 'read/write' shost attribute.
3230 _ctl_diag_trigger_scsi_show(struct device
*cdev
,
3231 struct device_attribute
*attr
, char *buf
)
3233 struct Scsi_Host
*shost
= class_to_shost(cdev
);
3234 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
3235 unsigned long flags
;
3238 spin_lock_irqsave(&ioc
->diag_trigger_lock
, flags
);
3239 rc
= sizeof(struct SL_WH_SCSI_TRIGGERS_T
);
3240 memcpy(buf
, &ioc
->diag_trigger_scsi
, rc
);
3241 spin_unlock_irqrestore(&ioc
->diag_trigger_lock
, flags
);
3246 * _ctl_diag_trigger_scsi_store - store the diag_trigger_scsi attribute
3247 * @cdev - pointer to embedded class device
3248 * @buf - the buffer returned
3250 * A sysfs 'read/write' shost attribute.
3253 _ctl_diag_trigger_scsi_store(struct device
*cdev
,
3254 struct device_attribute
*attr
, const char *buf
, size_t count
)
3256 struct Scsi_Host
*shost
= class_to_shost(cdev
);
3257 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
3258 unsigned long flags
;
3261 spin_lock_irqsave(&ioc
->diag_trigger_lock
, flags
);
3262 sz
= min(sizeof(struct SL_WH_SCSI_TRIGGERS_T
), count
);
3263 memset(&ioc
->diag_trigger_scsi
, 0,
3264 sizeof(struct SL_WH_EVENT_TRIGGERS_T
));
3265 memcpy(&ioc
->diag_trigger_scsi
, buf
, sz
);
3266 if (ioc
->diag_trigger_scsi
.ValidEntries
> NUM_VALID_ENTRIES
)
3267 ioc
->diag_trigger_scsi
.ValidEntries
= NUM_VALID_ENTRIES
;
3268 spin_unlock_irqrestore(&ioc
->diag_trigger_lock
, flags
);
3271 static DEVICE_ATTR(diag_trigger_scsi
, S_IRUGO
| S_IWUSR
,
3272 _ctl_diag_trigger_scsi_show
, _ctl_diag_trigger_scsi_store
);
3276 * _ctl_diag_trigger_scsi_show - show the diag_trigger_mpi attribute
3277 * @cdev - pointer to embedded class device
3278 * @buf - the buffer returned
3280 * A sysfs 'read/write' shost attribute.
3283 _ctl_diag_trigger_mpi_show(struct device
*cdev
,
3284 struct device_attribute
*attr
, char *buf
)
3286 struct Scsi_Host
*shost
= class_to_shost(cdev
);
3287 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
3288 unsigned long flags
;
3291 spin_lock_irqsave(&ioc
->diag_trigger_lock
, flags
);
3292 rc
= sizeof(struct SL_WH_MPI_TRIGGERS_T
);
3293 memcpy(buf
, &ioc
->diag_trigger_mpi
, rc
);
3294 spin_unlock_irqrestore(&ioc
->diag_trigger_lock
, flags
);
3299 * _ctl_diag_trigger_mpi_store - store the diag_trigger_mpi attribute
3300 * @cdev - pointer to embedded class device
3301 * @buf - the buffer returned
3303 * A sysfs 'read/write' shost attribute.
3306 _ctl_diag_trigger_mpi_store(struct device
*cdev
,
3307 struct device_attribute
*attr
, const char *buf
, size_t count
)
3309 struct Scsi_Host
*shost
= class_to_shost(cdev
);
3310 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
3311 unsigned long flags
;
3314 spin_lock_irqsave(&ioc
->diag_trigger_lock
, flags
);
3315 sz
= min(sizeof(struct SL_WH_MPI_TRIGGERS_T
), count
);
3316 memset(&ioc
->diag_trigger_mpi
, 0,
3317 sizeof(ioc
->diag_trigger_mpi
));
3318 memcpy(&ioc
->diag_trigger_mpi
, buf
, sz
);
3319 if (ioc
->diag_trigger_mpi
.ValidEntries
> NUM_VALID_ENTRIES
)
3320 ioc
->diag_trigger_mpi
.ValidEntries
= NUM_VALID_ENTRIES
;
3321 spin_unlock_irqrestore(&ioc
->diag_trigger_lock
, flags
);
3325 static DEVICE_ATTR(diag_trigger_mpi
, S_IRUGO
| S_IWUSR
,
3326 _ctl_diag_trigger_mpi_show
, _ctl_diag_trigger_mpi_store
);
3328 /*********** diagnostic trigger suppport *** END ****************************/
3330 /*****************************************/
3332 struct device_attribute
*mpt3sas_host_attrs
[] = {
3333 &dev_attr_version_fw
,
3334 &dev_attr_version_bios
,
3335 &dev_attr_version_mpi
,
3336 &dev_attr_version_product
,
3337 &dev_attr_version_nvdata_persistent
,
3338 &dev_attr_version_nvdata_default
,
3339 &dev_attr_board_name
,
3340 &dev_attr_board_assembly
,
3341 &dev_attr_board_tracer
,
3343 &dev_attr_device_delay
,
3344 &dev_attr_logging_level
,
3345 &dev_attr_fwfault_debug
,
3346 &dev_attr_fw_queue_depth
,
3347 &dev_attr_host_sas_address
,
3348 &dev_attr_ioc_reset_count
,
3349 &dev_attr_host_trace_buffer_size
,
3350 &dev_attr_host_trace_buffer
,
3351 &dev_attr_host_trace_buffer_enable
,
3352 &dev_attr_reply_queue_count
,
3353 &dev_attr_diag_trigger_master
,
3354 &dev_attr_diag_trigger_event
,
3355 &dev_attr_diag_trigger_scsi
,
3356 &dev_attr_diag_trigger_mpi
,
3357 &dev_attr_BRM_status
,
3361 /* device attributes */
3364 * _ctl_device_sas_address_show - sas address
3365 * @cdev - pointer to embedded class device
3366 * @buf - the buffer returned
3368 * This is the sas address for the target
3370 * A sysfs 'read-only' shost attribute.
3373 _ctl_device_sas_address_show(struct device
*dev
, struct device_attribute
*attr
,
3376 struct scsi_device
*sdev
= to_scsi_device(dev
);
3377 struct MPT3SAS_DEVICE
*sas_device_priv_data
= sdev
->hostdata
;
3379 return snprintf(buf
, PAGE_SIZE
, "0x%016llx\n",
3380 (unsigned long long)sas_device_priv_data
->sas_target
->sas_address
);
3382 static DEVICE_ATTR(sas_address
, S_IRUGO
, _ctl_device_sas_address_show
, NULL
);
3385 * _ctl_device_handle_show - device handle
3386 * @cdev - pointer to embedded class device
3387 * @buf - the buffer returned
3389 * This is the firmware assigned device handle
3391 * A sysfs 'read-only' shost attribute.
3394 _ctl_device_handle_show(struct device
*dev
, struct device_attribute
*attr
,
3397 struct scsi_device
*sdev
= to_scsi_device(dev
);
3398 struct MPT3SAS_DEVICE
*sas_device_priv_data
= sdev
->hostdata
;
3400 return snprintf(buf
, PAGE_SIZE
, "0x%04x\n",
3401 sas_device_priv_data
->sas_target
->handle
);
3403 static DEVICE_ATTR(sas_device_handle
, S_IRUGO
, _ctl_device_handle_show
, NULL
);
3406 * _ctl_device_ncq_io_prio_show - send prioritized io commands to device
3407 * @dev - pointer to embedded device
3408 * @buf - the buffer returned
3410 * A sysfs 'read/write' sdev attribute, only works with SATA
3413 _ctl_device_ncq_prio_enable_show(struct device
*dev
,
3414 struct device_attribute
*attr
, char *buf
)
3416 struct scsi_device
*sdev
= to_scsi_device(dev
);
3417 struct MPT3SAS_DEVICE
*sas_device_priv_data
= sdev
->hostdata
;
3419 return snprintf(buf
, PAGE_SIZE
, "%d\n",
3420 sas_device_priv_data
->ncq_prio_enable
);
3424 _ctl_device_ncq_prio_enable_store(struct device
*dev
,
3425 struct device_attribute
*attr
,
3426 const char *buf
, size_t count
)
3428 struct scsi_device
*sdev
= to_scsi_device(dev
);
3429 struct MPT3SAS_DEVICE
*sas_device_priv_data
= sdev
->hostdata
;
3430 bool ncq_prio_enable
= 0;
3432 if (kstrtobool(buf
, &ncq_prio_enable
))
3435 if (!scsih_ncq_prio_supp(sdev
))
3438 sas_device_priv_data
->ncq_prio_enable
= ncq_prio_enable
;
3441 static DEVICE_ATTR(sas_ncq_prio_enable
, S_IRUGO
| S_IWUSR
,
3442 _ctl_device_ncq_prio_enable_show
,
3443 _ctl_device_ncq_prio_enable_store
);
3445 struct device_attribute
*mpt3sas_dev_attrs
[] = {
3446 &dev_attr_sas_address
,
3447 &dev_attr_sas_device_handle
,
3448 &dev_attr_sas_ncq_prio_enable
,
3452 /* file operations table for mpt3ctl device */
3453 static const struct file_operations ctl_fops
= {
3454 .owner
= THIS_MODULE
,
3455 .unlocked_ioctl
= _ctl_ioctl
,
3457 .fasync
= _ctl_fasync
,
3458 #ifdef CONFIG_COMPAT
3459 .compat_ioctl
= _ctl_ioctl_compat
,
3463 /* file operations table for mpt2ctl device */
3464 static const struct file_operations ctl_gen2_fops
= {
3465 .owner
= THIS_MODULE
,
3466 .unlocked_ioctl
= _ctl_mpt2_ioctl
,
3468 .fasync
= _ctl_fasync
,
3469 #ifdef CONFIG_COMPAT
3470 .compat_ioctl
= _ctl_mpt2_ioctl_compat
,
3474 static struct miscdevice ctl_dev
= {
3475 .minor
= MPT3SAS_MINOR
,
3476 .name
= MPT3SAS_DEV_NAME
,
3480 static struct miscdevice gen2_ctl_dev
= {
3481 .minor
= MPT2SAS_MINOR
,
3482 .name
= MPT2SAS_DEV_NAME
,
3483 .fops
= &ctl_gen2_fops
,
3487 * mpt3sas_ctl_init - main entry point for ctl.
3491 mpt3sas_ctl_init(ushort hbas_to_enumerate
)
3495 /* Don't register mpt3ctl ioctl device if
3496 * hbas_to_enumarate is one.
3498 if (hbas_to_enumerate
!= 1)
3499 if (misc_register(&ctl_dev
) < 0)
3500 pr_err("%s can't register misc device [minor=%d]\n",
3501 MPT3SAS_DRIVER_NAME
, MPT3SAS_MINOR
);
3503 /* Don't register mpt3ctl ioctl device if
3504 * hbas_to_enumarate is two.
3506 if (hbas_to_enumerate
!= 2)
3507 if (misc_register(&gen2_ctl_dev
) < 0)
3508 pr_err("%s can't register misc device [minor=%d]\n",
3509 MPT2SAS_DRIVER_NAME
, MPT2SAS_MINOR
);
3511 init_waitqueue_head(&ctl_poll_wait
);
3515 * mpt3sas_ctl_exit - exit point for ctl
3519 mpt3sas_ctl_exit(ushort hbas_to_enumerate
)
3521 struct MPT3SAS_ADAPTER
*ioc
;
3524 list_for_each_entry(ioc
, &mpt3sas_ioc_list
, list
) {
3526 /* free memory associated to diag buffers */
3527 for (i
= 0; i
< MPI2_DIAG_BUF_TYPE_COUNT
; i
++) {
3528 if (!ioc
->diag_buffer
[i
])
3530 if (!(ioc
->diag_buffer_status
[i
] &
3531 MPT3_DIAG_BUFFER_IS_REGISTERED
))
3533 if ((ioc
->diag_buffer_status
[i
] &
3534 MPT3_DIAG_BUFFER_IS_RELEASED
))
3536 pci_free_consistent(ioc
->pdev
, ioc
->diag_buffer_sz
[i
],
3537 ioc
->diag_buffer
[i
], ioc
->diag_buffer_dma
[i
]);
3538 ioc
->diag_buffer
[i
] = NULL
;
3539 ioc
->diag_buffer_status
[i
] = 0;
3542 kfree(ioc
->event_log
);
3544 if (hbas_to_enumerate
!= 1)
3545 misc_deregister(&ctl_dev
);
3546 if (hbas_to_enumerate
!= 2)
3547 misc_deregister(&gen2_ctl_dev
);