2 * Management Module Support for MPT (Message Passing Technology) based
5 * This code is based on drivers/scsi/mpt2sas/mpt2_ctl.c
6 * Copyright (C) 2007-2010 LSI Corporation
7 * (mailto:DL-MPTFusionLinux@lsi.com)
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2
12 * of the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
20 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
21 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
22 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
23 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
24 * solely responsible for determining the appropriateness of using and
25 * distributing the Program and assumes all risks associated with its
26 * exercise of rights under this Agreement, including but not limited to
27 * the risks and costs of program errors, damage to or loss of data,
28 * programs or equipment, and unavailability or interruption of operations.
30 * DISCLAIMER OF LIABILITY
31 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
32 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
34 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
35 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
36 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
37 * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
45 #include <linux/version.h>
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/mutex.h>
55 #include <linux/compat.h>
56 #include <linux/poll.h>
59 #include <linux/uaccess.h>
61 #include "mpt2sas_base.h"
62 #include "mpt2sas_ctl.h"
64 static DEFINE_MUTEX(_ctl_mutex
);
65 static struct fasync_struct
*async_queue
;
66 static DECLARE_WAIT_QUEUE_HEAD(ctl_poll_wait
);
68 static int _ctl_send_release(struct MPT2SAS_ADAPTER
*ioc
, u8 buffer_type
,
72 * enum block_state - blocking state
73 * @NON_BLOCKING: non blocking
76 * These states are for ioctls that need to wait for a response
77 * from firmware, so they probably require sleep.
84 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
86 * _ctl_sas_device_find_by_handle - sas device search
87 * @ioc: per adapter object
88 * @handle: sas device handle (assigned by firmware)
89 * Context: Calling function should acquire ioc->sas_device_lock
91 * This searches for sas_device based on sas_address, then return sas_device
94 static struct _sas_device
*
95 _ctl_sas_device_find_by_handle(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
97 struct _sas_device
*sas_device
, *r
;
100 list_for_each_entry(sas_device
, &ioc
->sas_device_list
, list
) {
101 if (sas_device
->handle
!= handle
)
112 * _ctl_display_some_debug - debug routine
113 * @ioc: per adapter object
114 * @smid: system request message index
115 * @calling_function_name: string pass from calling function
116 * @mpi_reply: reply message frame
119 * Function for displaying debug info helpful when debugging issues
123 _ctl_display_some_debug(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
,
124 char *calling_function_name
, MPI2DefaultReply_t
*mpi_reply
)
126 Mpi2ConfigRequest_t
*mpi_request
;
129 if (!(ioc
->logging_level
& MPT_DEBUG_IOCTL
))
132 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
133 switch (mpi_request
->Function
) {
134 case MPI2_FUNCTION_SCSI_IO_REQUEST
:
136 Mpi2SCSIIORequest_t
*scsi_request
=
137 (Mpi2SCSIIORequest_t
*)mpi_request
;
139 snprintf(ioc
->tmp_string
, MPT_STRING_LENGTH
,
140 "scsi_io, cmd(0x%02x), cdb_len(%d)",
141 scsi_request
->CDB
.CDB32
[0],
142 le16_to_cpu(scsi_request
->IoFlags
) & 0xF);
143 desc
= ioc
->tmp_string
;
146 case MPI2_FUNCTION_SCSI_TASK_MGMT
:
149 case MPI2_FUNCTION_IOC_INIT
:
152 case MPI2_FUNCTION_IOC_FACTS
:
155 case MPI2_FUNCTION_CONFIG
:
157 Mpi2ConfigRequest_t
*config_request
=
158 (Mpi2ConfigRequest_t
*)mpi_request
;
160 snprintf(ioc
->tmp_string
, MPT_STRING_LENGTH
,
161 "config, type(0x%02x), ext_type(0x%02x), number(%d)",
162 (config_request
->Header
.PageType
&
163 MPI2_CONFIG_PAGETYPE_MASK
), config_request
->ExtPageType
,
164 config_request
->Header
.PageNumber
);
165 desc
= ioc
->tmp_string
;
168 case MPI2_FUNCTION_PORT_FACTS
:
171 case MPI2_FUNCTION_PORT_ENABLE
:
172 desc
= "port_enable";
174 case MPI2_FUNCTION_EVENT_NOTIFICATION
:
175 desc
= "event_notification";
177 case MPI2_FUNCTION_FW_DOWNLOAD
:
178 desc
= "fw_download";
180 case MPI2_FUNCTION_FW_UPLOAD
:
183 case MPI2_FUNCTION_RAID_ACTION
:
184 desc
= "raid_action";
186 case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH
:
188 Mpi2SCSIIORequest_t
*scsi_request
=
189 (Mpi2SCSIIORequest_t
*)mpi_request
;
191 snprintf(ioc
->tmp_string
, MPT_STRING_LENGTH
,
192 "raid_pass, cmd(0x%02x), cdb_len(%d)",
193 scsi_request
->CDB
.CDB32
[0],
194 le16_to_cpu(scsi_request
->IoFlags
) & 0xF);
195 desc
= ioc
->tmp_string
;
198 case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL
:
199 desc
= "sas_iounit_cntl";
201 case MPI2_FUNCTION_SATA_PASSTHROUGH
:
204 case MPI2_FUNCTION_DIAG_BUFFER_POST
:
205 desc
= "diag_buffer_post";
207 case MPI2_FUNCTION_DIAG_RELEASE
:
208 desc
= "diag_release";
210 case MPI2_FUNCTION_SMP_PASSTHROUGH
:
211 desc
= "smp_passthrough";
218 printk(MPT2SAS_INFO_FMT
"%s: %s, smid(%d)\n",
219 ioc
->name
, calling_function_name
, desc
, smid
);
224 if (mpi_reply
->IOCStatus
|| mpi_reply
->IOCLogInfo
)
225 printk(MPT2SAS_INFO_FMT
226 "\tiocstatus(0x%04x), loginfo(0x%08x)\n",
227 ioc
->name
, le16_to_cpu(mpi_reply
->IOCStatus
),
228 le32_to_cpu(mpi_reply
->IOCLogInfo
));
230 if (mpi_request
->Function
== MPI2_FUNCTION_SCSI_IO_REQUEST
||
231 mpi_request
->Function
==
232 MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH
) {
233 Mpi2SCSIIOReply_t
*scsi_reply
=
234 (Mpi2SCSIIOReply_t
*)mpi_reply
;
235 struct _sas_device
*sas_device
= NULL
;
238 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
239 sas_device
= _ctl_sas_device_find_by_handle(ioc
,
240 le16_to_cpu(scsi_reply
->DevHandle
));
242 printk(MPT2SAS_WARN_FMT
"\tsas_address(0x%016llx), "
243 "phy(%d)\n", ioc
->name
, (unsigned long long)
244 sas_device
->sas_address
, sas_device
->phy
);
245 printk(MPT2SAS_WARN_FMT
246 "\tenclosure_logical_id(0x%016llx), slot(%d)\n",
247 ioc
->name
, sas_device
->enclosure_logical_id
,
250 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
251 if (scsi_reply
->SCSIState
|| scsi_reply
->SCSIStatus
)
252 printk(MPT2SAS_INFO_FMT
253 "\tscsi_state(0x%02x), scsi_status"
254 "(0x%02x)\n", ioc
->name
,
255 scsi_reply
->SCSIState
,
256 scsi_reply
->SCSIStatus
);
262 * mpt2sas_ctl_done - ctl module completion routine
263 * @ioc: per adapter object
264 * @smid: system request message index
265 * @msix_index: MSIX table index supplied by the OS
266 * @reply: reply message frame(lower 32bit addr)
269 * The callback handler when using ioc->ctl_cb_idx.
271 * Return 1 meaning mf should be freed from _base_interrupt
272 * 0 means the mf is freed from this function.
275 mpt2sas_ctl_done(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
,
278 MPI2DefaultReply_t
*mpi_reply
;
279 Mpi2SCSIIOReply_t
*scsiio_reply
;
280 const void *sense_data
;
283 if (ioc
->ctl_cmds
.status
== MPT2_CMD_NOT_USED
)
285 if (ioc
->ctl_cmds
.smid
!= smid
)
287 ioc
->ctl_cmds
.status
|= MPT2_CMD_COMPLETE
;
288 mpi_reply
= mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
290 memcpy(ioc
->ctl_cmds
.reply
, mpi_reply
, mpi_reply
->MsgLength
*4);
291 ioc
->ctl_cmds
.status
|= MPT2_CMD_REPLY_VALID
;
293 if (mpi_reply
->Function
== MPI2_FUNCTION_SCSI_IO_REQUEST
||
294 mpi_reply
->Function
==
295 MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH
) {
296 scsiio_reply
= (Mpi2SCSIIOReply_t
*)mpi_reply
;
297 if (scsiio_reply
->SCSIState
&
298 MPI2_SCSI_STATE_AUTOSENSE_VALID
) {
299 sz
= min_t(u32
, SCSI_SENSE_BUFFERSIZE
,
300 le32_to_cpu(scsiio_reply
->SenseCount
));
301 sense_data
= mpt2sas_base_get_sense_buffer(ioc
,
303 memcpy(ioc
->ctl_cmds
.sense
, sense_data
, sz
);
307 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
308 _ctl_display_some_debug(ioc
, smid
, "ctl_done", mpi_reply
);
310 ioc
->ctl_cmds
.status
&= ~MPT2_CMD_PENDING
;
311 complete(&ioc
->ctl_cmds
.done
);
316 * _ctl_check_event_type - determines when an event needs logging
317 * @ioc: per adapter object
318 * @event: firmware event
320 * The bitmask in ioc->event_type[] indicates which events should be
321 * be saved in the driver event_log. This bitmask is set by application.
323 * Returns 1 when event should be captured, or zero means no match.
326 _ctl_check_event_type(struct MPT2SAS_ADAPTER
*ioc
, u16 event
)
331 if (event
>= 128 || !event
|| !ioc
->event_log
)
334 desired_event
= (1 << (event
% 32));
338 return desired_event
& ioc
->event_type
[i
];
342 * mpt2sas_ctl_add_to_event_log - add event
343 * @ioc: per adapter object
344 * @mpi_reply: reply message frame
349 mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER
*ioc
,
350 Mpi2EventNotificationReply_t
*mpi_reply
)
352 struct MPT2_IOCTL_EVENTS
*event_log
;
355 u32 sz
, event_data_sz
;
361 event
= le16_to_cpu(mpi_reply
->Event
);
363 if (_ctl_check_event_type(ioc
, event
)) {
365 /* insert entry into circular event_log */
366 i
= ioc
->event_context
% MPT2SAS_CTL_EVENT_LOG_SIZE
;
367 event_log
= ioc
->event_log
;
368 event_log
[i
].event
= event
;
369 event_log
[i
].context
= ioc
->event_context
++;
371 event_data_sz
= le16_to_cpu(mpi_reply
->EventDataLength
)*4;
372 sz
= min_t(u32
, event_data_sz
, MPT2_EVENT_DATA_SIZE
);
373 memset(event_log
[i
].data
, 0, MPT2_EVENT_DATA_SIZE
);
374 memcpy(event_log
[i
].data
, mpi_reply
->EventData
, sz
);
378 /* This aen_event_read_flag flag is set until the
379 * application has read the event log.
380 * For MPI2_EVENT_LOG_ENTRY_ADDED, we always notify.
382 if (event
== MPI2_EVENT_LOG_ENTRY_ADDED
||
383 (send_aen
&& !ioc
->aen_event_read_flag
)) {
384 ioc
->aen_event_read_flag
= 1;
385 wake_up_interruptible(&ctl_poll_wait
);
387 kill_fasync(&async_queue
, SIGIO
, POLL_IN
);
392 * mpt2sas_ctl_event_callback - firmware event handler (called at ISR time)
393 * @ioc: per adapter object
394 * @msix_index: MSIX table index supplied by the OS
395 * @reply: reply message frame(lower 32bit addr)
396 * Context: interrupt.
398 * This function merely adds a new work task into ioc->firmware_event_thread.
399 * The tasks are worked from _firmware_event_work in user context.
401 * Return 1 meaning mf should be freed from _base_interrupt
402 * 0 means the mf is freed from this function.
405 mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER
*ioc
, u8 msix_index
,
408 Mpi2EventNotificationReply_t
*mpi_reply
;
410 mpi_reply
= mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
411 mpt2sas_ctl_add_to_event_log(ioc
, mpi_reply
);
416 * _ctl_verify_adapter - validates ioc_number passed from application
417 * @ioc: per adapter object
418 * @iocpp: The ioc pointer is returned in this.
420 * Return (-1) means error, else ioc_number.
423 _ctl_verify_adapter(int ioc_number
, struct MPT2SAS_ADAPTER
**iocpp
)
425 struct MPT2SAS_ADAPTER
*ioc
;
427 list_for_each_entry(ioc
, &mpt2sas_ioc_list
, list
) {
428 if (ioc
->id
!= ioc_number
)
438 * mpt2sas_ctl_reset_handler - reset callback handler (for ctl)
439 * @ioc: per adapter object
440 * @reset_phase: phase
442 * The handler for doing any required cleanup or initialization.
444 * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET,
445 * MPT2_IOC_DONE_RESET
448 mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER
*ioc
, int reset_phase
)
453 switch (reset_phase
) {
454 case MPT2_IOC_PRE_RESET
:
455 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: "
456 "MPT2_IOC_PRE_RESET\n", ioc
->name
, __func__
));
457 for (i
= 0; i
< MPI2_DIAG_BUF_TYPE_COUNT
; i
++) {
458 if (!(ioc
->diag_buffer_status
[i
] &
459 MPT2_DIAG_BUFFER_IS_REGISTERED
))
461 if ((ioc
->diag_buffer_status
[i
] &
462 MPT2_DIAG_BUFFER_IS_RELEASED
))
464 _ctl_send_release(ioc
, i
, &issue_reset
);
467 case MPT2_IOC_AFTER_RESET
:
468 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: "
469 "MPT2_IOC_AFTER_RESET\n", ioc
->name
, __func__
));
470 if (ioc
->ctl_cmds
.status
& MPT2_CMD_PENDING
) {
471 ioc
->ctl_cmds
.status
|= MPT2_CMD_RESET
;
472 mpt2sas_base_free_smid(ioc
, ioc
->ctl_cmds
.smid
);
473 complete(&ioc
->ctl_cmds
.done
);
476 case MPT2_IOC_DONE_RESET
:
477 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: "
478 "MPT2_IOC_DONE_RESET\n", ioc
->name
, __func__
));
480 for (i
= 0; i
< MPI2_DIAG_BUF_TYPE_COUNT
; i
++) {
481 if (!(ioc
->diag_buffer_status
[i
] &
482 MPT2_DIAG_BUFFER_IS_REGISTERED
))
484 if ((ioc
->diag_buffer_status
[i
] &
485 MPT2_DIAG_BUFFER_IS_RELEASED
))
487 ioc
->diag_buffer_status
[i
] |=
488 MPT2_DIAG_BUFFER_IS_DIAG_RESET
;
500 * Called when application request fasyn callback handler.
503 _ctl_fasync(int fd
, struct file
*filep
, int mode
)
505 return fasync_helper(fd
, filep
, mode
, &async_queue
);
513 * Called when application releases the fasyn callback handler.
516 _ctl_release(struct inode
*inode
, struct file
*filep
)
518 return fasync_helper(-1, filep
, 0, &async_queue
);
528 _ctl_poll(struct file
*filep
, poll_table
*wait
)
530 struct MPT2SAS_ADAPTER
*ioc
;
532 poll_wait(filep
, &ctl_poll_wait
, wait
);
534 list_for_each_entry(ioc
, &mpt2sas_ioc_list
, list
) {
535 if (ioc
->aen_event_read_flag
)
536 return POLLIN
| POLLRDNORM
;
542 * _ctl_set_task_mid - assign an active smid to tm request
543 * @ioc: per adapter object
544 * @karg - (struct mpt2_ioctl_command)
545 * @tm_request - pointer to mf from user space
547 * Returns 0 when an smid if found, else fail.
548 * during failure, the reply frame is filled.
551 _ctl_set_task_mid(struct MPT2SAS_ADAPTER
*ioc
, struct mpt2_ioctl_command
*karg
,
552 Mpi2SCSITaskManagementRequest_t
*tm_request
)
557 struct scsi_cmnd
*scmd
;
558 struct MPT2SAS_DEVICE
*priv_data
;
560 Mpi2SCSITaskManagementReply_t
*tm_reply
;
565 if (tm_request
->TaskType
== MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK
)
567 else if (tm_request
->TaskType
== MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK
)
572 lun
= scsilun_to_int((struct scsi_lun
*)tm_request
->LUN
);
574 handle
= le16_to_cpu(tm_request
->DevHandle
);
575 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
576 for (i
= ioc
->scsiio_depth
; i
&& !found
; i
--) {
577 scmd
= ioc
->scsi_lookup
[i
- 1].scmd
;
578 if (scmd
== NULL
|| scmd
->device
== NULL
||
579 scmd
->device
->hostdata
== NULL
)
581 if (lun
!= scmd
->device
->lun
)
583 priv_data
= scmd
->device
->hostdata
;
584 if (priv_data
->sas_target
== NULL
)
586 if (priv_data
->sas_target
->handle
!= handle
)
588 tm_request
->TaskMID
= cpu_to_le16(ioc
->scsi_lookup
[i
- 1].smid
);
591 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
594 dctlprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: "
595 "handle(0x%04x), lun(%d), no active mid!!\n", ioc
->name
,
596 desc
, le16_to_cpu(tm_request
->DevHandle
), lun
));
597 tm_reply
= ioc
->ctl_cmds
.reply
;
598 tm_reply
->DevHandle
= tm_request
->DevHandle
;
599 tm_reply
->Function
= MPI2_FUNCTION_SCSI_TASK_MGMT
;
600 tm_reply
->TaskType
= tm_request
->TaskType
;
601 tm_reply
->MsgLength
= sizeof(Mpi2SCSITaskManagementReply_t
)/4;
602 tm_reply
->VP_ID
= tm_request
->VP_ID
;
603 tm_reply
->VF_ID
= tm_request
->VF_ID
;
604 sz
= min_t(u32
, karg
->max_reply_bytes
, ioc
->reply_sz
);
605 if (copy_to_user(karg
->reply_frame_buf_ptr
, ioc
->ctl_cmds
.reply
,
607 printk(KERN_ERR
"failure at %s:%d/%s()!\n", __FILE__
,
612 dctlprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: "
613 "handle(0x%04x), lun(%d), task_mid(%d)\n", ioc
->name
,
614 desc
, le16_to_cpu(tm_request
->DevHandle
), lun
,
615 le16_to_cpu(tm_request
->TaskMID
)));
620 * _ctl_do_mpt_command - main handler for MPT2COMMAND opcode
621 * @ioc: per adapter object
622 * @karg - (struct mpt2_ioctl_command)
623 * @mf - pointer to mf in user space
624 * @state - NON_BLOCKING or BLOCKING
627 _ctl_do_mpt_command(struct MPT2SAS_ADAPTER
*ioc
,
628 struct mpt2_ioctl_command karg
, void __user
*mf
, enum block_state state
)
630 MPI2RequestHeader_t
*mpi_request
= NULL
, *request
;
631 MPI2DefaultReply_t
*mpi_reply
;
635 unsigned long timeout
, timeleft
;
639 void *data_out
= NULL
;
640 dma_addr_t data_out_dma
;
641 size_t data_out_sz
= 0;
642 void *data_in
= NULL
;
643 dma_addr_t data_in_dma
;
644 size_t data_in_sz
= 0;
647 u16 wait_state_count
;
651 if (state
== NON_BLOCKING
&& !mutex_trylock(&ioc
->ctl_cmds
.mutex
))
653 else if (mutex_lock_interruptible(&ioc
->ctl_cmds
.mutex
))
656 if (ioc
->ctl_cmds
.status
!= MPT2_CMD_NOT_USED
) {
657 printk(MPT2SAS_ERR_FMT
"%s: ctl_cmd in use\n",
658 ioc
->name
, __func__
);
663 wait_state_count
= 0;
664 ioc_state
= mpt2sas_base_get_iocstate(ioc
, 1);
665 while (ioc_state
!= MPI2_IOC_STATE_OPERATIONAL
) {
666 if (wait_state_count
++ == 10) {
667 printk(MPT2SAS_ERR_FMT
668 "%s: failed due to ioc not operational\n",
669 ioc
->name
, __func__
);
674 ioc_state
= mpt2sas_base_get_iocstate(ioc
, 1);
675 printk(MPT2SAS_INFO_FMT
"%s: waiting for "
676 "operational state(count=%d)\n", ioc
->name
,
677 __func__
, wait_state_count
);
679 if (wait_state_count
)
680 printk(MPT2SAS_INFO_FMT
"%s: ioc is operational\n",
681 ioc
->name
, __func__
);
683 mpi_request
= kzalloc(ioc
->request_sz
, GFP_KERNEL
);
685 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a memory for "
686 "mpi_request\n", ioc
->name
, __func__
);
691 /* Check for overflow and wraparound */
692 if (karg
.data_sge_offset
* 4 > ioc
->request_sz
||
693 karg
.data_sge_offset
> (UINT_MAX
/ 4)) {
698 /* copy in request message frame from user */
699 if (copy_from_user(mpi_request
, mf
, karg
.data_sge_offset
*4)) {
700 printk(KERN_ERR
"failure at %s:%d/%s()!\n", __FILE__
, __LINE__
,
706 if (mpi_request
->Function
== MPI2_FUNCTION_SCSI_TASK_MGMT
) {
707 smid
= mpt2sas_base_get_smid_hpr(ioc
, ioc
->ctl_cb_idx
);
709 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
710 ioc
->name
, __func__
);
716 smid
= mpt2sas_base_get_smid_scsiio(ioc
, ioc
->ctl_cb_idx
, NULL
);
718 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
719 ioc
->name
, __func__
);
726 ioc
->ctl_cmds
.status
= MPT2_CMD_PENDING
;
727 memset(ioc
->ctl_cmds
.reply
, 0, ioc
->reply_sz
);
728 request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
729 memcpy(request
, mpi_request
, karg
.data_sge_offset
*4);
730 ioc
->ctl_cmds
.smid
= smid
;
731 data_out_sz
= karg
.data_out_size
;
732 data_in_sz
= karg
.data_in_size
;
734 if (mpi_request
->Function
== MPI2_FUNCTION_SCSI_IO_REQUEST
||
735 mpi_request
->Function
== MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH
) {
736 if (!le16_to_cpu(mpi_request
->FunctionDependent1
) ||
737 le16_to_cpu(mpi_request
->FunctionDependent1
) >
738 ioc
->facts
.MaxDevHandle
) {
740 mpt2sas_base_free_smid(ioc
, smid
);
745 /* obtain dma-able memory for data transfer */
746 if (data_out_sz
) /* WRITE */ {
747 data_out
= pci_alloc_consistent(ioc
->pdev
, data_out_sz
,
750 printk(KERN_ERR
"failure at %s:%d/%s()!\n", __FILE__
,
753 mpt2sas_base_free_smid(ioc
, smid
);
756 if (copy_from_user(data_out
, karg
.data_out_buf_ptr
,
758 printk(KERN_ERR
"failure at %s:%d/%s()!\n", __FILE__
,
761 mpt2sas_base_free_smid(ioc
, smid
);
766 if (data_in_sz
) /* READ */ {
767 data_in
= pci_alloc_consistent(ioc
->pdev
, data_in_sz
,
770 printk(KERN_ERR
"failure at %s:%d/%s()!\n", __FILE__
,
773 mpt2sas_base_free_smid(ioc
, smid
);
778 /* add scatter gather elements */
779 psge
= (void *)request
+ (karg
.data_sge_offset
*4);
781 if (!data_out_sz
&& !data_in_sz
) {
782 mpt2sas_base_build_zero_len_sge(ioc
, psge
);
783 } else if (data_out_sz
&& data_in_sz
) {
784 /* WRITE sgel first */
785 sgl_flags
= (MPI2_SGE_FLAGS_SIMPLE_ELEMENT
|
786 MPI2_SGE_FLAGS_END_OF_BUFFER
| MPI2_SGE_FLAGS_HOST_TO_IOC
);
787 sgl_flags
= sgl_flags
<< MPI2_SGE_FLAGS_SHIFT
;
788 ioc
->base_add_sg_single(psge
, sgl_flags
|
789 data_out_sz
, data_out_dma
);
792 psge
+= ioc
->sge_size
;
795 sgl_flags
= (MPI2_SGE_FLAGS_SIMPLE_ELEMENT
|
796 MPI2_SGE_FLAGS_LAST_ELEMENT
| MPI2_SGE_FLAGS_END_OF_BUFFER
|
797 MPI2_SGE_FLAGS_END_OF_LIST
);
798 sgl_flags
= sgl_flags
<< MPI2_SGE_FLAGS_SHIFT
;
799 ioc
->base_add_sg_single(psge
, sgl_flags
|
800 data_in_sz
, data_in_dma
);
801 } else if (data_out_sz
) /* WRITE */ {
802 sgl_flags
= (MPI2_SGE_FLAGS_SIMPLE_ELEMENT
|
803 MPI2_SGE_FLAGS_LAST_ELEMENT
| MPI2_SGE_FLAGS_END_OF_BUFFER
|
804 MPI2_SGE_FLAGS_END_OF_LIST
| MPI2_SGE_FLAGS_HOST_TO_IOC
);
805 sgl_flags
= sgl_flags
<< MPI2_SGE_FLAGS_SHIFT
;
806 ioc
->base_add_sg_single(psge
, sgl_flags
|
807 data_out_sz
, data_out_dma
);
808 } else if (data_in_sz
) /* READ */ {
809 sgl_flags
= (MPI2_SGE_FLAGS_SIMPLE_ELEMENT
|
810 MPI2_SGE_FLAGS_LAST_ELEMENT
| MPI2_SGE_FLAGS_END_OF_BUFFER
|
811 MPI2_SGE_FLAGS_END_OF_LIST
);
812 sgl_flags
= sgl_flags
<< MPI2_SGE_FLAGS_SHIFT
;
813 ioc
->base_add_sg_single(psge
, sgl_flags
|
814 data_in_sz
, data_in_dma
);
817 /* send command to firmware */
818 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
819 _ctl_display_some_debug(ioc
, smid
, "ctl_request", NULL
);
822 switch (mpi_request
->Function
) {
823 case MPI2_FUNCTION_SCSI_IO_REQUEST
:
824 case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH
:
826 Mpi2SCSIIORequest_t
*scsiio_request
=
827 (Mpi2SCSIIORequest_t
*)request
;
828 scsiio_request
->SenseBufferLength
= SCSI_SENSE_BUFFERSIZE
;
829 scsiio_request
->SenseBufferLowAddress
=
830 mpt2sas_base_get_sense_buffer_dma(ioc
, smid
);
831 memset(ioc
->ctl_cmds
.sense
, 0, SCSI_SENSE_BUFFERSIZE
);
832 if (mpi_request
->Function
== MPI2_FUNCTION_SCSI_IO_REQUEST
)
833 mpt2sas_base_put_smid_scsi_io(ioc
, smid
,
834 le16_to_cpu(mpi_request
->FunctionDependent1
));
836 mpt2sas_base_put_smid_default(ioc
, smid
);
839 case MPI2_FUNCTION_SCSI_TASK_MGMT
:
841 Mpi2SCSITaskManagementRequest_t
*tm_request
=
842 (Mpi2SCSITaskManagementRequest_t
*)request
;
844 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"TASK_MGMT: "
845 "handle(0x%04x), task_type(0x%02x)\n", ioc
->name
,
846 le16_to_cpu(tm_request
->DevHandle
), tm_request
->TaskType
));
848 if (tm_request
->TaskType
==
849 MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK
||
850 tm_request
->TaskType
==
851 MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK
) {
852 if (_ctl_set_task_mid(ioc
, &karg
, tm_request
)) {
853 mpt2sas_base_free_smid(ioc
, smid
);
858 mpt2sas_scsih_set_tm_flag(ioc
, le16_to_cpu(
859 tm_request
->DevHandle
));
860 mpt2sas_base_put_smid_hi_priority(ioc
, smid
);
863 case MPI2_FUNCTION_SMP_PASSTHROUGH
:
865 Mpi2SmpPassthroughRequest_t
*smp_request
=
866 (Mpi2SmpPassthroughRequest_t
*)mpi_request
;
869 /* ioc determines which port to use */
870 smp_request
->PhysicalPort
= 0xFF;
871 if (smp_request
->PassthroughFlags
&
872 MPI2_SMP_PT_REQ_PT_FLAGS_IMMEDIATE
)
873 data
= (u8
*)&smp_request
->SGL
;
877 if (data
[1] == 0x91 && (data
[10] == 1 || data
[10] == 2)) {
878 ioc
->ioc_link_reset_in_progress
= 1;
879 ioc
->ignore_loginfos
= 1;
881 mpt2sas_base_put_smid_default(ioc
, smid
);
884 case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL
:
886 Mpi2SasIoUnitControlRequest_t
*sasiounit_request
=
887 (Mpi2SasIoUnitControlRequest_t
*)mpi_request
;
889 if (sasiounit_request
->Operation
== MPI2_SAS_OP_PHY_HARD_RESET
890 || sasiounit_request
->Operation
==
891 MPI2_SAS_OP_PHY_LINK_RESET
) {
892 ioc
->ioc_link_reset_in_progress
= 1;
893 ioc
->ignore_loginfos
= 1;
895 mpt2sas_base_put_smid_default(ioc
, smid
);
899 mpt2sas_base_put_smid_default(ioc
, smid
);
903 if (karg
.timeout
< MPT2_IOCTL_DEFAULT_TIMEOUT
)
904 timeout
= MPT2_IOCTL_DEFAULT_TIMEOUT
;
906 timeout
= karg
.timeout
;
907 init_completion(&ioc
->ctl_cmds
.done
);
908 timeleft
= wait_for_completion_timeout(&ioc
->ctl_cmds
.done
,
910 if (mpi_request
->Function
== MPI2_FUNCTION_SCSI_TASK_MGMT
) {
911 Mpi2SCSITaskManagementRequest_t
*tm_request
=
912 (Mpi2SCSITaskManagementRequest_t
*)mpi_request
;
913 mpt2sas_scsih_clear_tm_flag(ioc
, le16_to_cpu(
914 tm_request
->DevHandle
));
915 } else if ((mpi_request
->Function
== MPI2_FUNCTION_SMP_PASSTHROUGH
||
916 mpi_request
->Function
== MPI2_FUNCTION_SAS_IO_UNIT_CONTROL
) &&
917 ioc
->ioc_link_reset_in_progress
) {
918 ioc
->ioc_link_reset_in_progress
= 0;
919 ioc
->ignore_loginfos
= 0;
921 if (!(ioc
->ctl_cmds
.status
& MPT2_CMD_COMPLETE
)) {
922 printk(MPT2SAS_ERR_FMT
"%s: timeout\n", ioc
->name
,
924 _debug_dump_mf(mpi_request
, karg
.data_sge_offset
);
925 if (!(ioc
->ctl_cmds
.status
& MPT2_CMD_RESET
))
927 goto issue_host_reset
;
930 mpi_reply
= ioc
->ctl_cmds
.reply
;
931 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
) & MPI2_IOCSTATUS_MASK
;
933 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
934 if (mpi_reply
->Function
== MPI2_FUNCTION_SCSI_TASK_MGMT
&&
935 (ioc
->logging_level
& MPT_DEBUG_TM
)) {
936 Mpi2SCSITaskManagementReply_t
*tm_reply
=
937 (Mpi2SCSITaskManagementReply_t
*)mpi_reply
;
939 printk(MPT2SAS_INFO_FMT
"TASK_MGMT: "
940 "IOCStatus(0x%04x), IOCLogInfo(0x%08x), "
941 "TerminationCount(0x%08x)\n", ioc
->name
,
942 le16_to_cpu(tm_reply
->IOCStatus
),
943 le32_to_cpu(tm_reply
->IOCLogInfo
),
944 le32_to_cpu(tm_reply
->TerminationCount
));
947 /* copy out xdata to user */
949 if (copy_to_user(karg
.data_in_buf_ptr
, data_in
,
951 printk(KERN_ERR
"failure at %s:%d/%s()!\n", __FILE__
,
958 /* copy out reply message frame to user */
959 if (karg
.max_reply_bytes
) {
960 sz
= min_t(u32
, karg
.max_reply_bytes
, ioc
->reply_sz
);
961 if (copy_to_user(karg
.reply_frame_buf_ptr
, ioc
->ctl_cmds
.reply
,
963 printk(KERN_ERR
"failure at %s:%d/%s()!\n", __FILE__
,
970 /* copy out sense to user */
971 if (karg
.max_sense_bytes
&& (mpi_request
->Function
==
972 MPI2_FUNCTION_SCSI_IO_REQUEST
|| mpi_request
->Function
==
973 MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH
)) {
974 sz
= min_t(u32
, karg
.max_sense_bytes
, SCSI_SENSE_BUFFERSIZE
);
975 if (copy_to_user(karg
.sense_data_ptr
,
976 ioc
->ctl_cmds
.sense
, sz
)) {
977 printk(KERN_ERR
"failure at %s:%d/%s()!\n", __FILE__
,
987 if ((mpi_request
->Function
== MPI2_FUNCTION_SCSI_IO_REQUEST
||
988 mpi_request
->Function
==
989 MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH
)) {
990 printk(MPT2SAS_INFO_FMT
"issue target reset: handle "
991 "= (0x%04x)\n", ioc
->name
,
992 le16_to_cpu(mpi_request
->FunctionDependent1
));
993 mpt2sas_halt_firmware(ioc
);
994 mpt2sas_scsih_issue_tm(ioc
,
995 le16_to_cpu(mpi_request
->FunctionDependent1
), 0, 0,
996 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET
, 0, 10,
998 ioc
->tm_cmds
.status
= MPT2_CMD_NOT_USED
;
1000 mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
1006 /* free memory associated with sg buffers */
1008 pci_free_consistent(ioc
->pdev
, data_in_sz
, data_in
,
1012 pci_free_consistent(ioc
->pdev
, data_out_sz
, data_out
,
1016 ioc
->ctl_cmds
.status
= MPT2_CMD_NOT_USED
;
1017 mutex_unlock(&ioc
->ctl_cmds
.mutex
);
1022 * _ctl_getiocinfo - main handler for MPT2IOCINFO opcode
1023 * @arg - user space buffer containing ioctl content
1026 _ctl_getiocinfo(void __user
*arg
)
1028 struct mpt2_ioctl_iocinfo karg
;
1029 struct MPT2SAS_ADAPTER
*ioc
;
1032 if (copy_from_user(&karg
, arg
, sizeof(karg
))) {
1033 printk(KERN_ERR
"failure at %s:%d/%s()!\n",
1034 __FILE__
, __LINE__
, __func__
);
1037 if (_ctl_verify_adapter(karg
.hdr
.ioc_number
, &ioc
) == -1 || !ioc
)
1040 dctlprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: enter\n", ioc
->name
,
1043 memset(&karg
, 0 , sizeof(karg
));
1044 if (ioc
->is_warpdrive
)
1045 karg
.adapter_type
= MPT2_IOCTL_INTERFACE_SAS2_SSS6200
;
1047 karg
.adapter_type
= MPT2_IOCTL_INTERFACE_SAS2
;
1049 karg
.port_number
= ioc
->pfacts
[0].PortNumber
;
1050 pci_read_config_byte(ioc
->pdev
, PCI_CLASS_REVISION
, &revision
);
1051 karg
.hw_rev
= revision
;
1052 karg
.pci_id
= ioc
->pdev
->device
;
1053 karg
.subsystem_device
= ioc
->pdev
->subsystem_device
;
1054 karg
.subsystem_vendor
= ioc
->pdev
->subsystem_vendor
;
1055 karg
.pci_information
.u
.bits
.bus
= ioc
->pdev
->bus
->number
;
1056 karg
.pci_information
.u
.bits
.device
= PCI_SLOT(ioc
->pdev
->devfn
);
1057 karg
.pci_information
.u
.bits
.function
= PCI_FUNC(ioc
->pdev
->devfn
);
1058 karg
.pci_information
.segment_id
= pci_domain_nr(ioc
->pdev
->bus
);
1059 karg
.firmware_version
= ioc
->facts
.FWVersion
.Word
;
1060 strcpy(karg
.driver_version
, MPT2SAS_DRIVER_NAME
);
1061 strcat(karg
.driver_version
, "-");
1062 strcat(karg
.driver_version
, MPT2SAS_DRIVER_VERSION
);
1063 karg
.bios_version
= le32_to_cpu(ioc
->bios_pg3
.BiosVersion
);
1065 if (copy_to_user(arg
, &karg
, sizeof(karg
))) {
1066 printk(KERN_ERR
"failure at %s:%d/%s()!\n",
1067 __FILE__
, __LINE__
, __func__
);
1074 * _ctl_eventquery - main handler for MPT2EVENTQUERY opcode
1075 * @arg - user space buffer containing ioctl content
1078 _ctl_eventquery(void __user
*arg
)
1080 struct mpt2_ioctl_eventquery karg
;
1081 struct MPT2SAS_ADAPTER
*ioc
;
1083 if (copy_from_user(&karg
, arg
, sizeof(karg
))) {
1084 printk(KERN_ERR
"failure at %s:%d/%s()!\n",
1085 __FILE__
, __LINE__
, __func__
);
1088 if (_ctl_verify_adapter(karg
.hdr
.ioc_number
, &ioc
) == -1 || !ioc
)
1091 dctlprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: enter\n", ioc
->name
,
1094 karg
.event_entries
= MPT2SAS_CTL_EVENT_LOG_SIZE
;
1095 memcpy(karg
.event_types
, ioc
->event_type
,
1096 MPI2_EVENT_NOTIFY_EVENTMASK_WORDS
* sizeof(u32
));
1098 if (copy_to_user(arg
, &karg
, sizeof(karg
))) {
1099 printk(KERN_ERR
"failure at %s:%d/%s()!\n",
1100 __FILE__
, __LINE__
, __func__
);
1107 * _ctl_eventenable - main handler for MPT2EVENTENABLE opcode
1108 * @arg - user space buffer containing ioctl content
1111 _ctl_eventenable(void __user
*arg
)
1113 struct mpt2_ioctl_eventenable karg
;
1114 struct MPT2SAS_ADAPTER
*ioc
;
1116 if (copy_from_user(&karg
, arg
, sizeof(karg
))) {
1117 printk(KERN_ERR
"failure at %s:%d/%s()!\n",
1118 __FILE__
, __LINE__
, __func__
);
1121 if (_ctl_verify_adapter(karg
.hdr
.ioc_number
, &ioc
) == -1 || !ioc
)
1124 dctlprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: enter\n", ioc
->name
,
1129 memcpy(ioc
->event_type
, karg
.event_types
,
1130 MPI2_EVENT_NOTIFY_EVENTMASK_WORDS
* sizeof(u32
));
1131 mpt2sas_base_validate_event_type(ioc
, ioc
->event_type
);
1133 /* initialize event_log */
1134 ioc
->event_context
= 0;
1135 ioc
->aen_event_read_flag
= 0;
1136 ioc
->event_log
= kcalloc(MPT2SAS_CTL_EVENT_LOG_SIZE
,
1137 sizeof(struct MPT2_IOCTL_EVENTS
), GFP_KERNEL
);
1138 if (!ioc
->event_log
) {
1139 printk(KERN_ERR
"failure at %s:%d/%s()!\n",
1140 __FILE__
, __LINE__
, __func__
);
1147 * _ctl_eventreport - main handler for MPT2EVENTREPORT opcode
1148 * @arg - user space buffer containing ioctl content
1151 _ctl_eventreport(void __user
*arg
)
1153 struct mpt2_ioctl_eventreport karg
;
1154 struct MPT2SAS_ADAPTER
*ioc
;
1155 u32 number_bytes
, max_events
, max
;
1156 struct mpt2_ioctl_eventreport __user
*uarg
= arg
;
1158 if (copy_from_user(&karg
, arg
, sizeof(karg
))) {
1159 printk(KERN_ERR
"failure at %s:%d/%s()!\n",
1160 __FILE__
, __LINE__
, __func__
);
1163 if (_ctl_verify_adapter(karg
.hdr
.ioc_number
, &ioc
) == -1 || !ioc
)
1166 dctlprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: enter\n", ioc
->name
,
1169 number_bytes
= karg
.hdr
.max_data_size
-
1170 sizeof(struct mpt2_ioctl_header
);
1171 max_events
= number_bytes
/sizeof(struct MPT2_IOCTL_EVENTS
);
1172 max
= min_t(u32
, MPT2SAS_CTL_EVENT_LOG_SIZE
, max_events
);
1174 /* If fewer than 1 event is requested, there must have
1175 * been some type of error.
1177 if (!max
|| !ioc
->event_log
)
1180 number_bytes
= max
* sizeof(struct MPT2_IOCTL_EVENTS
);
1181 if (copy_to_user(uarg
->event_data
, ioc
->event_log
, number_bytes
)) {
1182 printk(KERN_ERR
"failure at %s:%d/%s()!\n",
1183 __FILE__
, __LINE__
, __func__
);
1187 /* reset flag so SIGIO can restart */
1188 ioc
->aen_event_read_flag
= 0;
1193 * _ctl_do_reset - main handler for MPT2HARDRESET opcode
1194 * @arg - user space buffer containing ioctl content
1197 _ctl_do_reset(void __user
*arg
)
1199 struct mpt2_ioctl_diag_reset karg
;
1200 struct MPT2SAS_ADAPTER
*ioc
;
1203 if (copy_from_user(&karg
, arg
, sizeof(karg
))) {
1204 printk(KERN_ERR
"failure at %s:%d/%s()!\n",
1205 __FILE__
, __LINE__
, __func__
);
1208 if (_ctl_verify_adapter(karg
.hdr
.ioc_number
, &ioc
) == -1 || !ioc
)
1211 dctlprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: enter\n", ioc
->name
,
1214 retval
= mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
1216 printk(MPT2SAS_INFO_FMT
"host reset: %s\n",
1217 ioc
->name
, ((!retval
) ? "SUCCESS" : "FAILED"));
1222 * _ctl_btdh_search_sas_device - searching for sas device
1223 * @ioc: per adapter object
1224 * @btdh: btdh ioctl payload
1227 _ctl_btdh_search_sas_device(struct MPT2SAS_ADAPTER
*ioc
,
1228 struct mpt2_ioctl_btdh_mapping
*btdh
)
1230 struct _sas_device
*sas_device
;
1231 unsigned long flags
;
1234 if (list_empty(&ioc
->sas_device_list
))
1237 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1238 list_for_each_entry(sas_device
, &ioc
->sas_device_list
, list
) {
1239 if (btdh
->bus
== 0xFFFFFFFF && btdh
->id
== 0xFFFFFFFF &&
1240 btdh
->handle
== sas_device
->handle
) {
1241 btdh
->bus
= sas_device
->channel
;
1242 btdh
->id
= sas_device
->id
;
1245 } else if (btdh
->bus
== sas_device
->channel
&& btdh
->id
==
1246 sas_device
->id
&& btdh
->handle
== 0xFFFF) {
1247 btdh
->handle
= sas_device
->handle
;
1253 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1258 * _ctl_btdh_search_raid_device - searching for raid device
1259 * @ioc: per adapter object
1260 * @btdh: btdh ioctl payload
1263 _ctl_btdh_search_raid_device(struct MPT2SAS_ADAPTER
*ioc
,
1264 struct mpt2_ioctl_btdh_mapping
*btdh
)
1266 struct _raid_device
*raid_device
;
1267 unsigned long flags
;
1270 if (list_empty(&ioc
->raid_device_list
))
1273 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1274 list_for_each_entry(raid_device
, &ioc
->raid_device_list
, list
) {
1275 if (btdh
->bus
== 0xFFFFFFFF && btdh
->id
== 0xFFFFFFFF &&
1276 btdh
->handle
== raid_device
->handle
) {
1277 btdh
->bus
= raid_device
->channel
;
1278 btdh
->id
= raid_device
->id
;
1281 } else if (btdh
->bus
== raid_device
->channel
&& btdh
->id
==
1282 raid_device
->id
&& btdh
->handle
== 0xFFFF) {
1283 btdh
->handle
= raid_device
->handle
;
1289 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1294 * _ctl_btdh_mapping - main handler for MPT2BTDHMAPPING opcode
1295 * @arg - user space buffer containing ioctl content
1298 _ctl_btdh_mapping(void __user
*arg
)
1300 struct mpt2_ioctl_btdh_mapping karg
;
1301 struct MPT2SAS_ADAPTER
*ioc
;
1304 if (copy_from_user(&karg
, arg
, sizeof(karg
))) {
1305 printk(KERN_ERR
"failure at %s:%d/%s()!\n",
1306 __FILE__
, __LINE__
, __func__
);
1309 if (_ctl_verify_adapter(karg
.hdr
.ioc_number
, &ioc
) == -1 || !ioc
)
1312 dctlprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
1315 rc
= _ctl_btdh_search_sas_device(ioc
, &karg
);
1317 _ctl_btdh_search_raid_device(ioc
, &karg
);
1319 if (copy_to_user(arg
, &karg
, sizeof(karg
))) {
1320 printk(KERN_ERR
"failure at %s:%d/%s()!\n",
1321 __FILE__
, __LINE__
, __func__
);
1328 * _ctl_diag_capability - return diag buffer capability
1329 * @ioc: per adapter object
1330 * @buffer_type: specifies either TRACE, SNAPSHOT, or EXTENDED
1332 * returns 1 when diag buffer support is enabled in firmware
1335 _ctl_diag_capability(struct MPT2SAS_ADAPTER
*ioc
, u8 buffer_type
)
1339 switch (buffer_type
) {
1340 case MPI2_DIAG_BUF_TYPE_TRACE
:
1341 if (ioc
->facts
.IOCCapabilities
&
1342 MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER
)
1345 case MPI2_DIAG_BUF_TYPE_SNAPSHOT
:
1346 if (ioc
->facts
.IOCCapabilities
&
1347 MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER
)
1350 case MPI2_DIAG_BUF_TYPE_EXTENDED
:
1351 if (ioc
->facts
.IOCCapabilities
&
1352 MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER
)
1360 * _ctl_diag_register_2 - wrapper for registering diag buffer support
1361 * @ioc: per adapter object
1362 * @diag_register: the diag_register struct passed in from user space
1366 _ctl_diag_register_2(struct MPT2SAS_ADAPTER
*ioc
,
1367 struct mpt2_diag_register
*diag_register
)
1370 void *request_data
= NULL
;
1371 dma_addr_t request_data_dma
;
1372 u32 request_data_sz
= 0;
1373 Mpi2DiagBufferPostRequest_t
*mpi_request
;
1374 Mpi2DiagBufferPostReply_t
*mpi_reply
;
1376 unsigned long timeleft
;
1381 dctlprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
1384 if (ioc
->ctl_cmds
.status
!= MPT2_CMD_NOT_USED
) {
1385 printk(MPT2SAS_ERR_FMT
"%s: ctl_cmd in use\n",
1386 ioc
->name
, __func__
);
1391 buffer_type
= diag_register
->buffer_type
;
1392 if (!_ctl_diag_capability(ioc
, buffer_type
)) {
1393 printk(MPT2SAS_ERR_FMT
"%s: doesn't have capability for "
1394 "buffer_type(0x%02x)\n", ioc
->name
, __func__
, buffer_type
);
1398 if (ioc
->diag_buffer_status
[buffer_type
] &
1399 MPT2_DIAG_BUFFER_IS_REGISTERED
) {
1400 printk(MPT2SAS_ERR_FMT
"%s: already has a registered "
1401 "buffer for buffer_type(0x%02x)\n", ioc
->name
, __func__
,
1406 if (diag_register
->requested_buffer_size
% 4) {
1407 printk(MPT2SAS_ERR_FMT
"%s: the requested_buffer_size "
1408 "is not 4 byte aligned\n", ioc
->name
, __func__
);
1412 smid
= mpt2sas_base_get_smid(ioc
, ioc
->ctl_cb_idx
);
1414 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
1415 ioc
->name
, __func__
);
1421 ioc
->ctl_cmds
.status
= MPT2_CMD_PENDING
;
1422 memset(ioc
->ctl_cmds
.reply
, 0, ioc
->reply_sz
);
1423 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
1424 ioc
->ctl_cmds
.smid
= smid
;
1426 request_data
= ioc
->diag_buffer
[buffer_type
];
1427 request_data_sz
= diag_register
->requested_buffer_size
;
1428 ioc
->unique_id
[buffer_type
] = diag_register
->unique_id
;
1429 ioc
->diag_buffer_status
[buffer_type
] = 0;
1430 memcpy(ioc
->product_specific
[buffer_type
],
1431 diag_register
->product_specific
, MPT2_PRODUCT_SPECIFIC_DWORDS
);
1432 ioc
->diagnostic_flags
[buffer_type
] = diag_register
->diagnostic_flags
;
1435 request_data_dma
= ioc
->diag_buffer_dma
[buffer_type
];
1436 if (request_data_sz
!= ioc
->diag_buffer_sz
[buffer_type
]) {
1437 pci_free_consistent(ioc
->pdev
,
1438 ioc
->diag_buffer_sz
[buffer_type
],
1439 request_data
, request_data_dma
);
1440 request_data
= NULL
;
1444 if (request_data
== NULL
) {
1445 ioc
->diag_buffer_sz
[buffer_type
] = 0;
1446 ioc
->diag_buffer_dma
[buffer_type
] = 0;
1447 request_data
= pci_alloc_consistent(
1448 ioc
->pdev
, request_data_sz
, &request_data_dma
);
1449 if (request_data
== NULL
) {
1450 printk(MPT2SAS_ERR_FMT
"%s: failed allocating memory"
1451 " for diag buffers, requested size(%d)\n",
1452 ioc
->name
, __func__
, request_data_sz
);
1453 mpt2sas_base_free_smid(ioc
, smid
);
1456 ioc
->diag_buffer
[buffer_type
] = request_data
;
1457 ioc
->diag_buffer_sz
[buffer_type
] = request_data_sz
;
1458 ioc
->diag_buffer_dma
[buffer_type
] = request_data_dma
;
1461 mpi_request
->Function
= MPI2_FUNCTION_DIAG_BUFFER_POST
;
1462 mpi_request
->BufferType
= diag_register
->buffer_type
;
1463 mpi_request
->Flags
= cpu_to_le32(diag_register
->diagnostic_flags
);
1464 mpi_request
->BufferAddress
= cpu_to_le64(request_data_dma
);
1465 mpi_request
->BufferLength
= cpu_to_le32(request_data_sz
);
1466 mpi_request
->VF_ID
= 0; /* TODO */
1467 mpi_request
->VP_ID
= 0;
1469 dctlprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: diag_buffer(0x%p), "
1470 "dma(0x%llx), sz(%d)\n", ioc
->name
, __func__
, request_data
,
1471 (unsigned long long)request_data_dma
,
1472 le32_to_cpu(mpi_request
->BufferLength
)));
1474 for (i
= 0; i
< MPT2_PRODUCT_SPECIFIC_DWORDS
; i
++)
1475 mpi_request
->ProductSpecific
[i
] =
1476 cpu_to_le32(ioc
->product_specific
[buffer_type
][i
]);
1478 mpt2sas_base_put_smid_default(ioc
, smid
);
1479 init_completion(&ioc
->ctl_cmds
.done
);
1480 timeleft
= wait_for_completion_timeout(&ioc
->ctl_cmds
.done
,
1481 MPT2_IOCTL_DEFAULT_TIMEOUT
*HZ
);
1483 if (!(ioc
->ctl_cmds
.status
& MPT2_CMD_COMPLETE
)) {
1484 printk(MPT2SAS_ERR_FMT
"%s: timeout\n", ioc
->name
,
1486 _debug_dump_mf(mpi_request
,
1487 sizeof(Mpi2DiagBufferPostRequest_t
)/4);
1488 if (!(ioc
->ctl_cmds
.status
& MPT2_CMD_RESET
))
1490 goto issue_host_reset
;
1493 /* process the completed Reply Message Frame */
1494 if ((ioc
->ctl_cmds
.status
& MPT2_CMD_REPLY_VALID
) == 0) {
1495 printk(MPT2SAS_ERR_FMT
"%s: no reply message\n",
1496 ioc
->name
, __func__
);
1501 mpi_reply
= ioc
->ctl_cmds
.reply
;
1502 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
) & MPI2_IOCSTATUS_MASK
;
1504 if (ioc_status
== MPI2_IOCSTATUS_SUCCESS
) {
1505 ioc
->diag_buffer_status
[buffer_type
] |=
1506 MPT2_DIAG_BUFFER_IS_REGISTERED
;
1507 dctlprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: success\n",
1508 ioc
->name
, __func__
));
1510 printk(MPT2SAS_INFO_FMT
"%s: ioc_status(0x%04x) "
1511 "log_info(0x%08x)\n", ioc
->name
, __func__
,
1512 ioc_status
, le32_to_cpu(mpi_reply
->IOCLogInfo
));
1518 mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
1523 if (rc
&& request_data
)
1524 pci_free_consistent(ioc
->pdev
, request_data_sz
,
1525 request_data
, request_data_dma
);
1527 ioc
->ctl_cmds
.status
= MPT2_CMD_NOT_USED
;
1532 * mpt2sas_enable_diag_buffer - enabling diag_buffers support driver load time
1533 * @ioc: per adapter object
1534 * @bits_to_register: bitwise field where trace is bit 0, and snapshot is bit 1
1536 * This is called when command line option diag_buffer_enable is enabled
1537 * at driver load time.
1540 mpt2sas_enable_diag_buffer(struct MPT2SAS_ADAPTER
*ioc
, u8 bits_to_register
)
1542 struct mpt2_diag_register diag_register
;
1544 memset(&diag_register
, 0, sizeof(struct mpt2_diag_register
));
1546 if (bits_to_register
& 1) {
1547 printk(MPT2SAS_INFO_FMT
"registering trace buffer support\n",
1549 diag_register
.buffer_type
= MPI2_DIAG_BUF_TYPE_TRACE
;
1550 /* register for 1MB buffers */
1551 diag_register
.requested_buffer_size
= (1024 * 1024);
1552 diag_register
.unique_id
= 0x7075900;
1553 _ctl_diag_register_2(ioc
, &diag_register
);
1556 if (bits_to_register
& 2) {
1557 printk(MPT2SAS_INFO_FMT
"registering snapshot buffer support\n",
1559 diag_register
.buffer_type
= MPI2_DIAG_BUF_TYPE_SNAPSHOT
;
1560 /* register for 2MB buffers */
1561 diag_register
.requested_buffer_size
= 2 * (1024 * 1024);
1562 diag_register
.unique_id
= 0x7075901;
1563 _ctl_diag_register_2(ioc
, &diag_register
);
1566 if (bits_to_register
& 4) {
1567 printk(MPT2SAS_INFO_FMT
"registering extended buffer support\n",
1569 diag_register
.buffer_type
= MPI2_DIAG_BUF_TYPE_EXTENDED
;
1570 /* register for 2MB buffers */
1571 diag_register
.requested_buffer_size
= 2 * (1024 * 1024);
1572 diag_register
.unique_id
= 0x7075901;
1573 _ctl_diag_register_2(ioc
, &diag_register
);
1578 * _ctl_diag_register - application register with driver
1579 * @arg - user space buffer containing ioctl content
1580 * @state - NON_BLOCKING or BLOCKING
1582 * This will allow the driver to setup any required buffers that will be
1583 * needed by firmware to communicate with the driver.
1586 _ctl_diag_register(void __user
*arg
, enum block_state state
)
1588 struct mpt2_diag_register karg
;
1589 struct MPT2SAS_ADAPTER
*ioc
;
1592 if (copy_from_user(&karg
, arg
, sizeof(karg
))) {
1593 printk(KERN_ERR
"failure at %s:%d/%s()!\n",
1594 __FILE__
, __LINE__
, __func__
);
1597 if (_ctl_verify_adapter(karg
.hdr
.ioc_number
, &ioc
) == -1 || !ioc
)
1600 if (state
== NON_BLOCKING
&& !mutex_trylock(&ioc
->ctl_cmds
.mutex
))
1602 else if (mutex_lock_interruptible(&ioc
->ctl_cmds
.mutex
))
1603 return -ERESTARTSYS
;
1604 rc
= _ctl_diag_register_2(ioc
, &karg
);
1605 mutex_unlock(&ioc
->ctl_cmds
.mutex
);
1610 * _ctl_diag_unregister - application unregister with driver
1611 * @arg - user space buffer containing ioctl content
1613 * This will allow the driver to cleanup any memory allocated for diag
1614 * messages and to free up any resources.
1617 _ctl_diag_unregister(void __user
*arg
)
1619 struct mpt2_diag_unregister karg
;
1620 struct MPT2SAS_ADAPTER
*ioc
;
1622 dma_addr_t request_data_dma
;
1623 u32 request_data_sz
;
1626 if (copy_from_user(&karg
, arg
, sizeof(karg
))) {
1627 printk(KERN_ERR
"failure at %s:%d/%s()!\n",
1628 __FILE__
, __LINE__
, __func__
);
1631 if (_ctl_verify_adapter(karg
.hdr
.ioc_number
, &ioc
) == -1 || !ioc
)
1634 dctlprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
1637 buffer_type
= karg
.unique_id
& 0x000000ff;
1638 if (!_ctl_diag_capability(ioc
, buffer_type
)) {
1639 printk(MPT2SAS_ERR_FMT
"%s: doesn't have capability for "
1640 "buffer_type(0x%02x)\n", ioc
->name
, __func__
, buffer_type
);
1644 if ((ioc
->diag_buffer_status
[buffer_type
] &
1645 MPT2_DIAG_BUFFER_IS_REGISTERED
) == 0) {
1646 printk(MPT2SAS_ERR_FMT
"%s: buffer_type(0x%02x) is not "
1647 "registered\n", ioc
->name
, __func__
, buffer_type
);
1650 if ((ioc
->diag_buffer_status
[buffer_type
] &
1651 MPT2_DIAG_BUFFER_IS_RELEASED
) == 0) {
1652 printk(MPT2SAS_ERR_FMT
"%s: buffer_type(0x%02x) has not been "
1653 "released\n", ioc
->name
, __func__
, buffer_type
);
1657 if (karg
.unique_id
!= ioc
->unique_id
[buffer_type
]) {
1658 printk(MPT2SAS_ERR_FMT
"%s: unique_id(0x%08x) is not "
1659 "registered\n", ioc
->name
, __func__
, karg
.unique_id
);
1663 request_data
= ioc
->diag_buffer
[buffer_type
];
1664 if (!request_data
) {
1665 printk(MPT2SAS_ERR_FMT
"%s: doesn't have memory allocated for "
1666 "buffer_type(0x%02x)\n", ioc
->name
, __func__
, buffer_type
);
1670 request_data_sz
= ioc
->diag_buffer_sz
[buffer_type
];
1671 request_data_dma
= ioc
->diag_buffer_dma
[buffer_type
];
1672 pci_free_consistent(ioc
->pdev
, request_data_sz
,
1673 request_data
, request_data_dma
);
1674 ioc
->diag_buffer
[buffer_type
] = NULL
;
1675 ioc
->diag_buffer_status
[buffer_type
] = 0;
1680 * _ctl_diag_query - query relevant info associated with diag buffers
1681 * @arg - user space buffer containing ioctl content
1683 * The application will send only buffer_type and unique_id. Driver will
1684 * inspect unique_id first, if valid, fill in all the info. If unique_id is
1685 * 0x00, the driver will return info specified by Buffer Type.
1688 _ctl_diag_query(void __user
*arg
)
1690 struct mpt2_diag_query karg
;
1691 struct MPT2SAS_ADAPTER
*ioc
;
1696 if (copy_from_user(&karg
, arg
, sizeof(karg
))) {
1697 printk(KERN_ERR
"failure at %s:%d/%s()!\n",
1698 __FILE__
, __LINE__
, __func__
);
1701 if (_ctl_verify_adapter(karg
.hdr
.ioc_number
, &ioc
) == -1 || !ioc
)
1704 dctlprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
1707 karg
.application_flags
= 0;
1708 buffer_type
= karg
.buffer_type
;
1710 if (!_ctl_diag_capability(ioc
, buffer_type
)) {
1711 printk(MPT2SAS_ERR_FMT
"%s: doesn't have capability for "
1712 "buffer_type(0x%02x)\n", ioc
->name
, __func__
, buffer_type
);
1716 if ((ioc
->diag_buffer_status
[buffer_type
] &
1717 MPT2_DIAG_BUFFER_IS_REGISTERED
) == 0) {
1718 printk(MPT2SAS_ERR_FMT
"%s: buffer_type(0x%02x) is not "
1719 "registered\n", ioc
->name
, __func__
, buffer_type
);
1723 if (karg
.unique_id
& 0xffffff00) {
1724 if (karg
.unique_id
!= ioc
->unique_id
[buffer_type
]) {
1725 printk(MPT2SAS_ERR_FMT
"%s: unique_id(0x%08x) is not "
1726 "registered\n", ioc
->name
, __func__
,
1732 request_data
= ioc
->diag_buffer
[buffer_type
];
1733 if (!request_data
) {
1734 printk(MPT2SAS_ERR_FMT
"%s: doesn't have buffer for "
1735 "buffer_type(0x%02x)\n", ioc
->name
, __func__
, buffer_type
);
1739 if (ioc
->diag_buffer_status
[buffer_type
] & MPT2_DIAG_BUFFER_IS_RELEASED
)
1740 karg
.application_flags
= (MPT2_APP_FLAGS_APP_OWNED
|
1741 MPT2_APP_FLAGS_BUFFER_VALID
);
1743 karg
.application_flags
= (MPT2_APP_FLAGS_APP_OWNED
|
1744 MPT2_APP_FLAGS_BUFFER_VALID
|
1745 MPT2_APP_FLAGS_FW_BUFFER_ACCESS
);
1747 for (i
= 0; i
< MPT2_PRODUCT_SPECIFIC_DWORDS
; i
++)
1748 karg
.product_specific
[i
] =
1749 ioc
->product_specific
[buffer_type
][i
];
1751 karg
.total_buffer_size
= ioc
->diag_buffer_sz
[buffer_type
];
1752 karg
.driver_added_buffer_size
= 0;
1753 karg
.unique_id
= ioc
->unique_id
[buffer_type
];
1754 karg
.diagnostic_flags
= ioc
->diagnostic_flags
[buffer_type
];
1756 if (copy_to_user(arg
, &karg
, sizeof(struct mpt2_diag_query
))) {
1757 printk(MPT2SAS_ERR_FMT
"%s: unable to write mpt2_diag_query "
1758 "data @ %p\n", ioc
->name
, __func__
, arg
);
1765 * _ctl_send_release - Diag Release Message
1766 * @ioc: per adapter object
1767 * @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED
1768 * @issue_reset - specifies whether host reset is required.
1772 _ctl_send_release(struct MPT2SAS_ADAPTER
*ioc
, u8 buffer_type
, u8
*issue_reset
)
1774 Mpi2DiagReleaseRequest_t
*mpi_request
;
1775 Mpi2DiagReleaseReply_t
*mpi_reply
;
1780 unsigned long timeleft
;
1782 dctlprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
1788 ioc_state
= mpt2sas_base_get_iocstate(ioc
, 1);
1789 if (ioc_state
!= MPI2_IOC_STATE_OPERATIONAL
) {
1790 dctlprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: "
1791 "skipping due to FAULT state\n", ioc
->name
,
1797 if (ioc
->ctl_cmds
.status
!= MPT2_CMD_NOT_USED
) {
1798 printk(MPT2SAS_ERR_FMT
"%s: ctl_cmd in use\n",
1799 ioc
->name
, __func__
);
1804 smid
= mpt2sas_base_get_smid(ioc
, ioc
->ctl_cb_idx
);
1806 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
1807 ioc
->name
, __func__
);
1812 ioc
->ctl_cmds
.status
= MPT2_CMD_PENDING
;
1813 memset(ioc
->ctl_cmds
.reply
, 0, ioc
->reply_sz
);
1814 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
1815 ioc
->ctl_cmds
.smid
= smid
;
1817 mpi_request
->Function
= MPI2_FUNCTION_DIAG_RELEASE
;
1818 mpi_request
->BufferType
= buffer_type
;
1819 mpi_request
->VF_ID
= 0; /* TODO */
1820 mpi_request
->VP_ID
= 0;
1822 mpt2sas_base_put_smid_default(ioc
, smid
);
1823 init_completion(&ioc
->ctl_cmds
.done
);
1824 timeleft
= wait_for_completion_timeout(&ioc
->ctl_cmds
.done
,
1825 MPT2_IOCTL_DEFAULT_TIMEOUT
*HZ
);
1827 if (!(ioc
->ctl_cmds
.status
& MPT2_CMD_COMPLETE
)) {
1828 printk(MPT2SAS_ERR_FMT
"%s: timeout\n", ioc
->name
,
1830 _debug_dump_mf(mpi_request
,
1831 sizeof(Mpi2DiagReleaseRequest_t
)/4);
1832 if (!(ioc
->ctl_cmds
.status
& MPT2_CMD_RESET
))
1838 /* process the completed Reply Message Frame */
1839 if ((ioc
->ctl_cmds
.status
& MPT2_CMD_REPLY_VALID
) == 0) {
1840 printk(MPT2SAS_ERR_FMT
"%s: no reply message\n",
1841 ioc
->name
, __func__
);
1846 mpi_reply
= ioc
->ctl_cmds
.reply
;
1847 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
) & MPI2_IOCSTATUS_MASK
;
1849 if (ioc_status
== MPI2_IOCSTATUS_SUCCESS
) {
1850 ioc
->diag_buffer_status
[buffer_type
] |=
1851 MPT2_DIAG_BUFFER_IS_RELEASED
;
1852 dctlprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: success\n",
1853 ioc
->name
, __func__
));
1855 printk(MPT2SAS_INFO_FMT
"%s: ioc_status(0x%04x) "
1856 "log_info(0x%08x)\n", ioc
->name
, __func__
,
1857 ioc_status
, le32_to_cpu(mpi_reply
->IOCLogInfo
));
1862 ioc
->ctl_cmds
.status
= MPT2_CMD_NOT_USED
;
1867 * _ctl_diag_release - request to send Diag Release Message to firmware
1868 * @arg - user space buffer containing ioctl content
1869 * @state - NON_BLOCKING or BLOCKING
1871 * This allows ownership of the specified buffer to returned to the driver,
1872 * allowing an application to read the buffer without fear that firmware is
1873 * overwritting information in the buffer.
1876 _ctl_diag_release(void __user
*arg
, enum block_state state
)
1878 struct mpt2_diag_release karg
;
1879 struct MPT2SAS_ADAPTER
*ioc
;
1885 if (copy_from_user(&karg
, arg
, sizeof(karg
))) {
1886 printk(KERN_ERR
"failure at %s:%d/%s()!\n",
1887 __FILE__
, __LINE__
, __func__
);
1890 if (_ctl_verify_adapter(karg
.hdr
.ioc_number
, &ioc
) == -1 || !ioc
)
1893 dctlprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
1896 buffer_type
= karg
.unique_id
& 0x000000ff;
1897 if (!_ctl_diag_capability(ioc
, buffer_type
)) {
1898 printk(MPT2SAS_ERR_FMT
"%s: doesn't have capability for "
1899 "buffer_type(0x%02x)\n", ioc
->name
, __func__
, buffer_type
);
1903 if ((ioc
->diag_buffer_status
[buffer_type
] &
1904 MPT2_DIAG_BUFFER_IS_REGISTERED
) == 0) {
1905 printk(MPT2SAS_ERR_FMT
"%s: buffer_type(0x%02x) is not "
1906 "registered\n", ioc
->name
, __func__
, buffer_type
);
1910 if (karg
.unique_id
!= ioc
->unique_id
[buffer_type
]) {
1911 printk(MPT2SAS_ERR_FMT
"%s: unique_id(0x%08x) is not "
1912 "registered\n", ioc
->name
, __func__
, karg
.unique_id
);
1916 if (ioc
->diag_buffer_status
[buffer_type
] &
1917 MPT2_DIAG_BUFFER_IS_RELEASED
) {
1918 printk(MPT2SAS_ERR_FMT
"%s: buffer_type(0x%02x) "
1919 "is already released\n", ioc
->name
, __func__
,
1924 request_data
= ioc
->diag_buffer
[buffer_type
];
1926 if (!request_data
) {
1927 printk(MPT2SAS_ERR_FMT
"%s: doesn't have memory allocated for "
1928 "buffer_type(0x%02x)\n", ioc
->name
, __func__
, buffer_type
);
1932 /* buffers were released by due to host reset */
1933 if ((ioc
->diag_buffer_status
[buffer_type
] &
1934 MPT2_DIAG_BUFFER_IS_DIAG_RESET
)) {
1935 ioc
->diag_buffer_status
[buffer_type
] |=
1936 MPT2_DIAG_BUFFER_IS_RELEASED
;
1937 ioc
->diag_buffer_status
[buffer_type
] &=
1938 ~MPT2_DIAG_BUFFER_IS_DIAG_RESET
;
1939 printk(MPT2SAS_ERR_FMT
"%s: buffer_type(0x%02x) "
1940 "was released due to host reset\n", ioc
->name
, __func__
,
1945 if (state
== NON_BLOCKING
&& !mutex_trylock(&ioc
->ctl_cmds
.mutex
))
1947 else if (mutex_lock_interruptible(&ioc
->ctl_cmds
.mutex
))
1948 return -ERESTARTSYS
;
1950 rc
= _ctl_send_release(ioc
, buffer_type
, &issue_reset
);
1953 mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
1956 mutex_unlock(&ioc
->ctl_cmds
.mutex
);
1961 * _ctl_diag_read_buffer - request for copy of the diag buffer
1962 * @arg - user space buffer containing ioctl content
1963 * @state - NON_BLOCKING or BLOCKING
1966 _ctl_diag_read_buffer(void __user
*arg
, enum block_state state
)
1968 struct mpt2_diag_read_buffer karg
;
1969 struct mpt2_diag_read_buffer __user
*uarg
= arg
;
1970 struct MPT2SAS_ADAPTER
*ioc
;
1971 void *request_data
, *diag_data
;
1972 Mpi2DiagBufferPostRequest_t
*mpi_request
;
1973 Mpi2DiagBufferPostReply_t
*mpi_reply
;
1976 unsigned long timeleft
, request_size
, copy_size
;
1981 if (copy_from_user(&karg
, arg
, sizeof(karg
))) {
1982 printk(KERN_ERR
"failure at %s:%d/%s()!\n",
1983 __FILE__
, __LINE__
, __func__
);
1986 if (_ctl_verify_adapter(karg
.hdr
.ioc_number
, &ioc
) == -1 || !ioc
)
1989 dctlprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
1992 buffer_type
= karg
.unique_id
& 0x000000ff;
1993 if (!_ctl_diag_capability(ioc
, buffer_type
)) {
1994 printk(MPT2SAS_ERR_FMT
"%s: doesn't have capability for "
1995 "buffer_type(0x%02x)\n", ioc
->name
, __func__
, buffer_type
);
1999 if (karg
.unique_id
!= ioc
->unique_id
[buffer_type
]) {
2000 printk(MPT2SAS_ERR_FMT
"%s: unique_id(0x%08x) is not "
2001 "registered\n", ioc
->name
, __func__
, karg
.unique_id
);
2005 request_data
= ioc
->diag_buffer
[buffer_type
];
2006 if (!request_data
) {
2007 printk(MPT2SAS_ERR_FMT
"%s: doesn't have buffer for "
2008 "buffer_type(0x%02x)\n", ioc
->name
, __func__
, buffer_type
);
2012 request_size
= ioc
->diag_buffer_sz
[buffer_type
];
2014 if ((karg
.starting_offset
% 4) || (karg
.bytes_to_read
% 4)) {
2015 printk(MPT2SAS_ERR_FMT
"%s: either the starting_offset "
2016 "or bytes_to_read are not 4 byte aligned\n", ioc
->name
,
2021 if (karg
.starting_offset
> request_size
)
2024 diag_data
= (void *)(request_data
+ karg
.starting_offset
);
2025 dctlprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: diag_buffer(%p), "
2026 "offset(%d), sz(%d)\n", ioc
->name
, __func__
,
2027 diag_data
, karg
.starting_offset
, karg
.bytes_to_read
));
2029 /* Truncate data on requests that are too large */
2030 if ((diag_data
+ karg
.bytes_to_read
< diag_data
) ||
2031 (diag_data
+ karg
.bytes_to_read
> request_data
+ request_size
))
2032 copy_size
= request_size
- karg
.starting_offset
;
2034 copy_size
= karg
.bytes_to_read
;
2036 if (copy_to_user((void __user
*)uarg
->diagnostic_data
,
2037 diag_data
, copy_size
)) {
2038 printk(MPT2SAS_ERR_FMT
"%s: Unable to write "
2039 "mpt_diag_read_buffer_t data @ %p\n", ioc
->name
,
2040 __func__
, diag_data
);
2044 if ((karg
.flags
& MPT2_FLAGS_REREGISTER
) == 0)
2047 dctlprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: Reregister "
2048 "buffer_type(0x%02x)\n", ioc
->name
, __func__
, buffer_type
));
2049 if ((ioc
->diag_buffer_status
[buffer_type
] &
2050 MPT2_DIAG_BUFFER_IS_RELEASED
) == 0) {
2051 dctlprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: "
2052 "buffer_type(0x%02x) is still registered\n", ioc
->name
,
2053 __func__
, buffer_type
));
2056 /* Get a free request frame and save the message context.
2058 if (state
== NON_BLOCKING
&& !mutex_trylock(&ioc
->ctl_cmds
.mutex
))
2060 else if (mutex_lock_interruptible(&ioc
->ctl_cmds
.mutex
))
2061 return -ERESTARTSYS
;
2063 if (ioc
->ctl_cmds
.status
!= MPT2_CMD_NOT_USED
) {
2064 printk(MPT2SAS_ERR_FMT
"%s: ctl_cmd in use\n",
2065 ioc
->name
, __func__
);
2070 smid
= mpt2sas_base_get_smid(ioc
, ioc
->ctl_cb_idx
);
2072 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
2073 ioc
->name
, __func__
);
2079 ioc
->ctl_cmds
.status
= MPT2_CMD_PENDING
;
2080 memset(ioc
->ctl_cmds
.reply
, 0, ioc
->reply_sz
);
2081 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
2082 ioc
->ctl_cmds
.smid
= smid
;
2084 mpi_request
->Function
= MPI2_FUNCTION_DIAG_BUFFER_POST
;
2085 mpi_request
->BufferType
= buffer_type
;
2086 mpi_request
->BufferLength
=
2087 cpu_to_le32(ioc
->diag_buffer_sz
[buffer_type
]);
2088 mpi_request
->BufferAddress
=
2089 cpu_to_le64(ioc
->diag_buffer_dma
[buffer_type
]);
2090 for (i
= 0; i
< MPT2_PRODUCT_SPECIFIC_DWORDS
; i
++)
2091 mpi_request
->ProductSpecific
[i
] =
2092 cpu_to_le32(ioc
->product_specific
[buffer_type
][i
]);
2093 mpi_request
->VF_ID
= 0; /* TODO */
2094 mpi_request
->VP_ID
= 0;
2096 mpt2sas_base_put_smid_default(ioc
, smid
);
2097 init_completion(&ioc
->ctl_cmds
.done
);
2098 timeleft
= wait_for_completion_timeout(&ioc
->ctl_cmds
.done
,
2099 MPT2_IOCTL_DEFAULT_TIMEOUT
*HZ
);
2101 if (!(ioc
->ctl_cmds
.status
& MPT2_CMD_COMPLETE
)) {
2102 printk(MPT2SAS_ERR_FMT
"%s: timeout\n", ioc
->name
,
2104 _debug_dump_mf(mpi_request
,
2105 sizeof(Mpi2DiagBufferPostRequest_t
)/4);
2106 if (!(ioc
->ctl_cmds
.status
& MPT2_CMD_RESET
))
2108 goto issue_host_reset
;
2111 /* process the completed Reply Message Frame */
2112 if ((ioc
->ctl_cmds
.status
& MPT2_CMD_REPLY_VALID
) == 0) {
2113 printk(MPT2SAS_ERR_FMT
"%s: no reply message\n",
2114 ioc
->name
, __func__
);
2119 mpi_reply
= ioc
->ctl_cmds
.reply
;
2120 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
) & MPI2_IOCSTATUS_MASK
;
2122 if (ioc_status
== MPI2_IOCSTATUS_SUCCESS
) {
2123 ioc
->diag_buffer_status
[buffer_type
] |=
2124 MPT2_DIAG_BUFFER_IS_REGISTERED
;
2125 dctlprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: success\n",
2126 ioc
->name
, __func__
));
2128 printk(MPT2SAS_INFO_FMT
"%s: ioc_status(0x%04x) "
2129 "log_info(0x%08x)\n", ioc
->name
, __func__
,
2130 ioc_status
, le32_to_cpu(mpi_reply
->IOCLogInfo
));
2136 mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
2141 ioc
->ctl_cmds
.status
= MPT2_CMD_NOT_USED
;
2142 mutex_unlock(&ioc
->ctl_cmds
.mutex
);
2147 * _ctl_ioctl_main - main ioctl entry point
2148 * @file - (struct file)
2149 * @cmd - ioctl opcode
2153 _ctl_ioctl_main(struct file
*file
, unsigned int cmd
, void __user
*arg
)
2155 enum block_state state
;
2158 state
= (file
->f_flags
& O_NONBLOCK
) ? NON_BLOCKING
:
2163 if (_IOC_SIZE(cmd
) == sizeof(struct mpt2_ioctl_iocinfo
))
2164 ret
= _ctl_getiocinfo(arg
);
2168 struct mpt2_ioctl_command karg
;
2169 struct mpt2_ioctl_command __user
*uarg
;
2170 struct MPT2SAS_ADAPTER
*ioc
;
2172 if (copy_from_user(&karg
, arg
, sizeof(karg
))) {
2173 printk(KERN_ERR
"failure at %s:%d/%s()!\n",
2174 __FILE__
, __LINE__
, __func__
);
2178 if (_ctl_verify_adapter(karg
.hdr
.ioc_number
, &ioc
) == -1 ||
2182 if (ioc
->shost_recovery
|| ioc
->pci_error_recovery
)
2185 if (_IOC_SIZE(cmd
) == sizeof(struct mpt2_ioctl_command
)) {
2187 ret
= _ctl_do_mpt_command(ioc
, karg
, &uarg
->mf
, state
);
2191 case MPT2EVENTQUERY
:
2192 if (_IOC_SIZE(cmd
) == sizeof(struct mpt2_ioctl_eventquery
))
2193 ret
= _ctl_eventquery(arg
);
2195 case MPT2EVENTENABLE
:
2196 if (_IOC_SIZE(cmd
) == sizeof(struct mpt2_ioctl_eventenable
))
2197 ret
= _ctl_eventenable(arg
);
2199 case MPT2EVENTREPORT
:
2200 ret
= _ctl_eventreport(arg
);
2203 if (_IOC_SIZE(cmd
) == sizeof(struct mpt2_ioctl_diag_reset
))
2204 ret
= _ctl_do_reset(arg
);
2206 case MPT2BTDHMAPPING
:
2207 if (_IOC_SIZE(cmd
) == sizeof(struct mpt2_ioctl_btdh_mapping
))
2208 ret
= _ctl_btdh_mapping(arg
);
2210 case MPT2DIAGREGISTER
:
2211 if (_IOC_SIZE(cmd
) == sizeof(struct mpt2_diag_register
))
2212 ret
= _ctl_diag_register(arg
, state
);
2214 case MPT2DIAGUNREGISTER
:
2215 if (_IOC_SIZE(cmd
) == sizeof(struct mpt2_diag_unregister
))
2216 ret
= _ctl_diag_unregister(arg
);
2219 if (_IOC_SIZE(cmd
) == sizeof(struct mpt2_diag_query
))
2220 ret
= _ctl_diag_query(arg
);
2222 case MPT2DIAGRELEASE
:
2223 if (_IOC_SIZE(cmd
) == sizeof(struct mpt2_diag_release
))
2224 ret
= _ctl_diag_release(arg
, state
);
2226 case MPT2DIAGREADBUFFER
:
2227 if (_IOC_SIZE(cmd
) == sizeof(struct mpt2_diag_read_buffer
))
2228 ret
= _ctl_diag_read_buffer(arg
, state
);
2232 struct mpt2_ioctl_command karg
;
2233 struct MPT2SAS_ADAPTER
*ioc
;
2235 if (copy_from_user(&karg
, arg
, sizeof(karg
))) {
2236 printk(KERN_ERR
"failure at %s:%d/%s()!\n",
2237 __FILE__
, __LINE__
, __func__
);
2241 if (_ctl_verify_adapter(karg
.hdr
.ioc_number
, &ioc
) == -1 ||
2245 dctlprintk(ioc
, printk(MPT2SAS_INFO_FMT
2246 "unsupported ioctl opcode(0x%08x)\n", ioc
->name
, cmd
));
2254 * _ctl_ioctl - main ioctl entry point (unlocked)
2255 * @file - (struct file)
2256 * @cmd - ioctl opcode
2260 _ctl_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
2264 mutex_lock(&_ctl_mutex
);
2265 ret
= _ctl_ioctl_main(file
, cmd
, (void __user
*)arg
);
2266 mutex_unlock(&_ctl_mutex
);
2270 #ifdef CONFIG_COMPAT
2272 * _ctl_compat_mpt_command - convert 32bit pointers to 64bit.
2273 * @file - (struct file)
2274 * @cmd - ioctl opcode
2275 * @arg - (struct mpt2_ioctl_command32)
2277 * MPT2COMMAND32 - Handle 32bit applications running on 64bit os.
2280 _ctl_compat_mpt_command(struct file
*file
, unsigned cmd
, unsigned long arg
)
2282 struct mpt2_ioctl_command32 karg32
;
2283 struct mpt2_ioctl_command32 __user
*uarg
;
2284 struct mpt2_ioctl_command karg
;
2285 struct MPT2SAS_ADAPTER
*ioc
;
2286 enum block_state state
;
2288 if (_IOC_SIZE(cmd
) != sizeof(struct mpt2_ioctl_command32
))
2291 uarg
= (struct mpt2_ioctl_command32 __user
*) arg
;
2293 if (copy_from_user(&karg32
, (char __user
*)arg
, sizeof(karg32
))) {
2294 printk(KERN_ERR
"failure at %s:%d/%s()!\n",
2295 __FILE__
, __LINE__
, __func__
);
2298 if (_ctl_verify_adapter(karg32
.hdr
.ioc_number
, &ioc
) == -1 || !ioc
)
2301 if (ioc
->shost_recovery
|| ioc
->pci_error_recovery
)
2304 memset(&karg
, 0, sizeof(struct mpt2_ioctl_command
));
2305 karg
.hdr
.ioc_number
= karg32
.hdr
.ioc_number
;
2306 karg
.hdr
.port_number
= karg32
.hdr
.port_number
;
2307 karg
.hdr
.max_data_size
= karg32
.hdr
.max_data_size
;
2308 karg
.timeout
= karg32
.timeout
;
2309 karg
.max_reply_bytes
= karg32
.max_reply_bytes
;
2310 karg
.data_in_size
= karg32
.data_in_size
;
2311 karg
.data_out_size
= karg32
.data_out_size
;
2312 karg
.max_sense_bytes
= karg32
.max_sense_bytes
;
2313 karg
.data_sge_offset
= karg32
.data_sge_offset
;
2314 karg
.reply_frame_buf_ptr
= compat_ptr(karg32
.reply_frame_buf_ptr
);
2315 karg
.data_in_buf_ptr
= compat_ptr(karg32
.data_in_buf_ptr
);
2316 karg
.data_out_buf_ptr
= compat_ptr(karg32
.data_out_buf_ptr
);
2317 karg
.sense_data_ptr
= compat_ptr(karg32
.sense_data_ptr
);
2318 state
= (file
->f_flags
& O_NONBLOCK
) ? NON_BLOCKING
: BLOCKING
;
2319 return _ctl_do_mpt_command(ioc
, karg
, &uarg
->mf
, state
);
2323 * _ctl_ioctl_compat - main ioctl entry point (compat)
2328 * This routine handles 32 bit applications in 64bit os.
2331 _ctl_ioctl_compat(struct file
*file
, unsigned cmd
, unsigned long arg
)
2335 mutex_lock(&_ctl_mutex
);
2336 if (cmd
== MPT2COMMAND32
)
2337 ret
= _ctl_compat_mpt_command(file
, cmd
, arg
);
2339 ret
= _ctl_ioctl_main(file
, cmd
, (void __user
*)arg
);
2340 mutex_unlock(&_ctl_mutex
);
2345 /* scsi host attributes */
2348 * _ctl_version_fw_show - firmware version
2349 * @cdev - pointer to embedded class device
2350 * @buf - the buffer returned
2352 * A sysfs 'read-only' shost attribute.
2355 _ctl_version_fw_show(struct device
*cdev
, struct device_attribute
*attr
,
2358 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2359 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
2361 return snprintf(buf
, PAGE_SIZE
, "%02d.%02d.%02d.%02d\n",
2362 (ioc
->facts
.FWVersion
.Word
& 0xFF000000) >> 24,
2363 (ioc
->facts
.FWVersion
.Word
& 0x00FF0000) >> 16,
2364 (ioc
->facts
.FWVersion
.Word
& 0x0000FF00) >> 8,
2365 ioc
->facts
.FWVersion
.Word
& 0x000000FF);
2367 static DEVICE_ATTR(version_fw
, S_IRUGO
, _ctl_version_fw_show
, NULL
);
2370 * _ctl_version_bios_show - bios version
2371 * @cdev - pointer to embedded class device
2372 * @buf - the buffer returned
2374 * A sysfs 'read-only' shost attribute.
2377 _ctl_version_bios_show(struct device
*cdev
, struct device_attribute
*attr
,
2380 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2381 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
2383 u32 version
= le32_to_cpu(ioc
->bios_pg3
.BiosVersion
);
2385 return snprintf(buf
, PAGE_SIZE
, "%02d.%02d.%02d.%02d\n",
2386 (version
& 0xFF000000) >> 24,
2387 (version
& 0x00FF0000) >> 16,
2388 (version
& 0x0000FF00) >> 8,
2389 version
& 0x000000FF);
2391 static DEVICE_ATTR(version_bios
, S_IRUGO
, _ctl_version_bios_show
, NULL
);
2394 * _ctl_version_mpi_show - MPI (message passing interface) version
2395 * @cdev - pointer to embedded class device
2396 * @buf - the buffer returned
2398 * A sysfs 'read-only' shost attribute.
2401 _ctl_version_mpi_show(struct device
*cdev
, struct device_attribute
*attr
,
2404 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2405 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
2407 return snprintf(buf
, PAGE_SIZE
, "%03x.%02x\n",
2408 ioc
->facts
.MsgVersion
, ioc
->facts
.HeaderVersion
>> 8);
2410 static DEVICE_ATTR(version_mpi
, S_IRUGO
, _ctl_version_mpi_show
, NULL
);
2413 * _ctl_version_product_show - product name
2414 * @cdev - pointer to embedded class device
2415 * @buf - the buffer returned
2417 * A sysfs 'read-only' shost attribute.
2420 _ctl_version_product_show(struct device
*cdev
, struct device_attribute
*attr
,
2423 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2424 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
2426 return snprintf(buf
, 16, "%s\n", ioc
->manu_pg0
.ChipName
);
2428 static DEVICE_ATTR(version_product
, S_IRUGO
,
2429 _ctl_version_product_show
, NULL
);
2432 * _ctl_version_nvdata_persistent_show - ndvata persistent version
2433 * @cdev - pointer to embedded class device
2434 * @buf - the buffer returned
2436 * A sysfs 'read-only' shost attribute.
2439 _ctl_version_nvdata_persistent_show(struct device
*cdev
,
2440 struct device_attribute
*attr
, char *buf
)
2442 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2443 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
2445 return snprintf(buf
, PAGE_SIZE
, "%08xh\n",
2446 le32_to_cpu(ioc
->iounit_pg0
.NvdataVersionPersistent
.Word
));
2448 static DEVICE_ATTR(version_nvdata_persistent
, S_IRUGO
,
2449 _ctl_version_nvdata_persistent_show
, NULL
);
2452 * _ctl_version_nvdata_default_show - nvdata default version
2453 * @cdev - pointer to embedded class device
2454 * @buf - the buffer returned
2456 * A sysfs 'read-only' shost attribute.
2459 _ctl_version_nvdata_default_show(struct device
*cdev
,
2460 struct device_attribute
*attr
, char *buf
)
2462 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2463 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
2465 return snprintf(buf
, PAGE_SIZE
, "%08xh\n",
2466 le32_to_cpu(ioc
->iounit_pg0
.NvdataVersionDefault
.Word
));
2468 static DEVICE_ATTR(version_nvdata_default
, S_IRUGO
,
2469 _ctl_version_nvdata_default_show
, NULL
);
2472 * _ctl_board_name_show - board name
2473 * @cdev - pointer to embedded class device
2474 * @buf - the buffer returned
2476 * A sysfs 'read-only' shost attribute.
2479 _ctl_board_name_show(struct device
*cdev
, struct device_attribute
*attr
,
2482 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2483 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
2485 return snprintf(buf
, 16, "%s\n", ioc
->manu_pg0
.BoardName
);
2487 static DEVICE_ATTR(board_name
, S_IRUGO
, _ctl_board_name_show
, NULL
);
2490 * _ctl_board_assembly_show - board assembly name
2491 * @cdev - pointer to embedded class device
2492 * @buf - the buffer returned
2494 * A sysfs 'read-only' shost attribute.
2497 _ctl_board_assembly_show(struct device
*cdev
, struct device_attribute
*attr
,
2500 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2501 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
2503 return snprintf(buf
, 16, "%s\n", ioc
->manu_pg0
.BoardAssembly
);
2505 static DEVICE_ATTR(board_assembly
, S_IRUGO
,
2506 _ctl_board_assembly_show
, NULL
);
2509 * _ctl_board_tracer_show - board tracer number
2510 * @cdev - pointer to embedded class device
2511 * @buf - the buffer returned
2513 * A sysfs 'read-only' shost attribute.
2516 _ctl_board_tracer_show(struct device
*cdev
, struct device_attribute
*attr
,
2519 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2520 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
2522 return snprintf(buf
, 16, "%s\n", ioc
->manu_pg0
.BoardTracerNumber
);
2524 static DEVICE_ATTR(board_tracer
, S_IRUGO
,
2525 _ctl_board_tracer_show
, NULL
);
2528 * _ctl_io_delay_show - io missing delay
2529 * @cdev - pointer to embedded class device
2530 * @buf - the buffer returned
2532 * This is for firmware implemention for deboucing device
2535 * A sysfs 'read-only' shost attribute.
2538 _ctl_io_delay_show(struct device
*cdev
, struct device_attribute
*attr
,
2541 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2542 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
2544 return snprintf(buf
, PAGE_SIZE
, "%02d\n", ioc
->io_missing_delay
);
2546 static DEVICE_ATTR(io_delay
, S_IRUGO
,
2547 _ctl_io_delay_show
, NULL
);
2550 * _ctl_device_delay_show - device missing delay
2551 * @cdev - pointer to embedded class device
2552 * @buf - the buffer returned
2554 * This is for firmware implemention for deboucing device
2557 * A sysfs 'read-only' shost attribute.
2560 _ctl_device_delay_show(struct device
*cdev
, struct device_attribute
*attr
,
2563 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2564 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
2566 return snprintf(buf
, PAGE_SIZE
, "%02d\n", ioc
->device_missing_delay
);
2568 static DEVICE_ATTR(device_delay
, S_IRUGO
,
2569 _ctl_device_delay_show
, NULL
);
2572 * _ctl_fw_queue_depth_show - global credits
2573 * @cdev - pointer to embedded class device
2574 * @buf - the buffer returned
2576 * This is firmware queue depth limit
2578 * A sysfs 'read-only' shost attribute.
2581 _ctl_fw_queue_depth_show(struct device
*cdev
, struct device_attribute
*attr
,
2584 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2585 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
2587 return snprintf(buf
, PAGE_SIZE
, "%02d\n", ioc
->facts
.RequestCredit
);
2589 static DEVICE_ATTR(fw_queue_depth
, S_IRUGO
,
2590 _ctl_fw_queue_depth_show
, NULL
);
2593 * _ctl_sas_address_show - sas address
2594 * @cdev - pointer to embedded class device
2595 * @buf - the buffer returned
2597 * This is the controller sas address
2599 * A sysfs 'read-only' shost attribute.
2602 _ctl_host_sas_address_show(struct device
*cdev
, struct device_attribute
*attr
,
2605 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2606 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
2608 return snprintf(buf
, PAGE_SIZE
, "0x%016llx\n",
2609 (unsigned long long)ioc
->sas_hba
.sas_address
);
2611 static DEVICE_ATTR(host_sas_address
, S_IRUGO
,
2612 _ctl_host_sas_address_show
, NULL
);
2615 * _ctl_logging_level_show - logging level
2616 * @cdev - pointer to embedded class device
2617 * @buf - the buffer returned
2619 * A sysfs 'read/write' shost attribute.
2622 _ctl_logging_level_show(struct device
*cdev
, struct device_attribute
*attr
,
2625 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2626 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
2628 return snprintf(buf
, PAGE_SIZE
, "%08xh\n", ioc
->logging_level
);
2631 _ctl_logging_level_store(struct device
*cdev
, struct device_attribute
*attr
,
2632 const char *buf
, size_t count
)
2634 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2635 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
2638 if (sscanf(buf
, "%x", &val
) != 1)
2641 ioc
->logging_level
= val
;
2642 printk(MPT2SAS_INFO_FMT
"logging_level=%08xh\n", ioc
->name
,
2643 ioc
->logging_level
);
2646 static DEVICE_ATTR(logging_level
, S_IRUGO
| S_IWUSR
,
2647 _ctl_logging_level_show
, _ctl_logging_level_store
);
2649 /* device attributes */
2651 * _ctl_fwfault_debug_show - show/store fwfault_debug
2652 * @cdev - pointer to embedded class device
2653 * @buf - the buffer returned
2655 * mpt2sas_fwfault_debug is command line option
2656 * A sysfs 'read/write' shost attribute.
2659 _ctl_fwfault_debug_show(struct device
*cdev
,
2660 struct device_attribute
*attr
, char *buf
)
2662 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2663 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
2665 return snprintf(buf
, PAGE_SIZE
, "%d\n", ioc
->fwfault_debug
);
2668 _ctl_fwfault_debug_store(struct device
*cdev
,
2669 struct device_attribute
*attr
, const char *buf
, size_t count
)
2671 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2672 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
2675 if (sscanf(buf
, "%d", &val
) != 1)
2678 ioc
->fwfault_debug
= val
;
2679 printk(MPT2SAS_INFO_FMT
"fwfault_debug=%d\n", ioc
->name
,
2680 ioc
->fwfault_debug
);
2683 static DEVICE_ATTR(fwfault_debug
, S_IRUGO
| S_IWUSR
,
2684 _ctl_fwfault_debug_show
, _ctl_fwfault_debug_store
);
2688 * _ctl_ioc_reset_count_show - ioc reset count
2689 * @cdev - pointer to embedded class device
2690 * @buf - the buffer returned
2692 * This is firmware queue depth limit
2694 * A sysfs 'read-only' shost attribute.
2697 _ctl_ioc_reset_count_show(struct device
*cdev
, struct device_attribute
*attr
,
2700 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2701 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
2703 return snprintf(buf
, PAGE_SIZE
, "%08d\n", ioc
->ioc_reset_count
);
2705 static DEVICE_ATTR(ioc_reset_count
, S_IRUGO
,
2706 _ctl_ioc_reset_count_show
, NULL
);
2708 struct DIAG_BUFFER_START
{
2718 * _ctl_host_trace_buffer_size_show - host buffer size (trace only)
2719 * @cdev - pointer to embedded class device
2720 * @buf - the buffer returned
2722 * A sysfs 'read-only' shost attribute.
2725 _ctl_host_trace_buffer_size_show(struct device
*cdev
,
2726 struct device_attribute
*attr
, char *buf
)
2728 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2729 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
2731 struct DIAG_BUFFER_START
*request_data
;
2733 if (!ioc
->diag_buffer
[MPI2_DIAG_BUF_TYPE_TRACE
]) {
2734 printk(MPT2SAS_ERR_FMT
"%s: host_trace_buffer is not "
2735 "registered\n", ioc
->name
, __func__
);
2739 if ((ioc
->diag_buffer_status
[MPI2_DIAG_BUF_TYPE_TRACE
] &
2740 MPT2_DIAG_BUFFER_IS_REGISTERED
) == 0) {
2741 printk(MPT2SAS_ERR_FMT
"%s: host_trace_buffer is not "
2742 "registered\n", ioc
->name
, __func__
);
2746 request_data
= (struct DIAG_BUFFER_START
*)
2747 ioc
->diag_buffer
[MPI2_DIAG_BUF_TYPE_TRACE
];
2748 if ((le32_to_cpu(request_data
->DiagVersion
) == 0x00000000 ||
2749 le32_to_cpu(request_data
->DiagVersion
) == 0x01000000) &&
2750 le32_to_cpu(request_data
->Reserved3
) == 0x4742444c)
2751 size
= le32_to_cpu(request_data
->Size
);
2753 ioc
->ring_buffer_sz
= size
;
2754 return snprintf(buf
, PAGE_SIZE
, "%d\n", size
);
2756 static DEVICE_ATTR(host_trace_buffer_size
, S_IRUGO
,
2757 _ctl_host_trace_buffer_size_show
, NULL
);
2760 * _ctl_host_trace_buffer_show - firmware ring buffer (trace only)
2761 * @cdev - pointer to embedded class device
2762 * @buf - the buffer returned
2764 * A sysfs 'read/write' shost attribute.
2766 * You will only be able to read 4k bytes of ring buffer at a time.
2767 * In order to read beyond 4k bytes, you will have to write out the
2768 * offset to the same attribute, it will move the pointer.
2771 _ctl_host_trace_buffer_show(struct device
*cdev
, struct device_attribute
*attr
,
2774 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2775 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
2779 if (!ioc
->diag_buffer
[MPI2_DIAG_BUF_TYPE_TRACE
]) {
2780 printk(MPT2SAS_ERR_FMT
"%s: host_trace_buffer is not "
2781 "registered\n", ioc
->name
, __func__
);
2785 if ((ioc
->diag_buffer_status
[MPI2_DIAG_BUF_TYPE_TRACE
] &
2786 MPT2_DIAG_BUFFER_IS_REGISTERED
) == 0) {
2787 printk(MPT2SAS_ERR_FMT
"%s: host_trace_buffer is not "
2788 "registered\n", ioc
->name
, __func__
);
2792 if (ioc
->ring_buffer_offset
> ioc
->ring_buffer_sz
)
2795 size
= ioc
->ring_buffer_sz
- ioc
->ring_buffer_offset
;
2796 size
= (size
> PAGE_SIZE
) ? PAGE_SIZE
: size
;
2797 request_data
= ioc
->diag_buffer
[0] + ioc
->ring_buffer_offset
;
2798 memcpy(buf
, request_data
, size
);
2803 _ctl_host_trace_buffer_store(struct device
*cdev
, struct device_attribute
*attr
,
2804 const char *buf
, size_t count
)
2806 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2807 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
2810 if (sscanf(buf
, "%d", &val
) != 1)
2813 ioc
->ring_buffer_offset
= val
;
2816 static DEVICE_ATTR(host_trace_buffer
, S_IRUGO
| S_IWUSR
,
2817 _ctl_host_trace_buffer_show
, _ctl_host_trace_buffer_store
);
2819 /*****************************************/
2822 * _ctl_host_trace_buffer_enable_show - firmware ring buffer (trace only)
2823 * @cdev - pointer to embedded class device
2824 * @buf - the buffer returned
2826 * A sysfs 'read/write' shost attribute.
2828 * This is a mechnism to post/release host_trace_buffers
2831 _ctl_host_trace_buffer_enable_show(struct device
*cdev
,
2832 struct device_attribute
*attr
, char *buf
)
2834 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2835 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
2837 if ((!ioc
->diag_buffer
[MPI2_DIAG_BUF_TYPE_TRACE
]) ||
2838 ((ioc
->diag_buffer_status
[MPI2_DIAG_BUF_TYPE_TRACE
] &
2839 MPT2_DIAG_BUFFER_IS_REGISTERED
) == 0))
2840 return snprintf(buf
, PAGE_SIZE
, "off\n");
2841 else if ((ioc
->diag_buffer_status
[MPI2_DIAG_BUF_TYPE_TRACE
] &
2842 MPT2_DIAG_BUFFER_IS_RELEASED
))
2843 return snprintf(buf
, PAGE_SIZE
, "release\n");
2845 return snprintf(buf
, PAGE_SIZE
, "post\n");
2849 _ctl_host_trace_buffer_enable_store(struct device
*cdev
,
2850 struct device_attribute
*attr
, const char *buf
, size_t count
)
2852 struct Scsi_Host
*shost
= class_to_shost(cdev
);
2853 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
2855 struct mpt2_diag_register diag_register
;
2858 if (sscanf(buf
, "%s", str
) != 1)
2861 if (!strcmp(str
, "post")) {
2862 /* exit out if host buffers are already posted */
2863 if ((ioc
->diag_buffer
[MPI2_DIAG_BUF_TYPE_TRACE
]) &&
2864 (ioc
->diag_buffer_status
[MPI2_DIAG_BUF_TYPE_TRACE
] &
2865 MPT2_DIAG_BUFFER_IS_REGISTERED
) &&
2866 ((ioc
->diag_buffer_status
[MPI2_DIAG_BUF_TYPE_TRACE
] &
2867 MPT2_DIAG_BUFFER_IS_RELEASED
) == 0))
2869 memset(&diag_register
, 0, sizeof(struct mpt2_diag_register
));
2870 printk(MPT2SAS_INFO_FMT
"posting host trace buffers\n",
2872 diag_register
.buffer_type
= MPI2_DIAG_BUF_TYPE_TRACE
;
2873 diag_register
.requested_buffer_size
= (1024 * 1024);
2874 diag_register
.unique_id
= 0x7075900;
2875 ioc
->diag_buffer_status
[MPI2_DIAG_BUF_TYPE_TRACE
] = 0;
2876 _ctl_diag_register_2(ioc
, &diag_register
);
2877 } else if (!strcmp(str
, "release")) {
2878 /* exit out if host buffers are already released */
2879 if (!ioc
->diag_buffer
[MPI2_DIAG_BUF_TYPE_TRACE
])
2881 if ((ioc
->diag_buffer_status
[MPI2_DIAG_BUF_TYPE_TRACE
] &
2882 MPT2_DIAG_BUFFER_IS_REGISTERED
) == 0)
2884 if ((ioc
->diag_buffer_status
[MPI2_DIAG_BUF_TYPE_TRACE
] &
2885 MPT2_DIAG_BUFFER_IS_RELEASED
))
2887 printk(MPT2SAS_INFO_FMT
"releasing host trace buffer\n",
2889 _ctl_send_release(ioc
, MPI2_DIAG_BUF_TYPE_TRACE
, &issue_reset
);
2895 static DEVICE_ATTR(host_trace_buffer_enable
, S_IRUGO
| S_IWUSR
,
2896 _ctl_host_trace_buffer_enable_show
, _ctl_host_trace_buffer_enable_store
);
2898 struct device_attribute
*mpt2sas_host_attrs
[] = {
2899 &dev_attr_version_fw
,
2900 &dev_attr_version_bios
,
2901 &dev_attr_version_mpi
,
2902 &dev_attr_version_product
,
2903 &dev_attr_version_nvdata_persistent
,
2904 &dev_attr_version_nvdata_default
,
2905 &dev_attr_board_name
,
2906 &dev_attr_board_assembly
,
2907 &dev_attr_board_tracer
,
2909 &dev_attr_device_delay
,
2910 &dev_attr_logging_level
,
2911 &dev_attr_fwfault_debug
,
2912 &dev_attr_fw_queue_depth
,
2913 &dev_attr_host_sas_address
,
2914 &dev_attr_ioc_reset_count
,
2915 &dev_attr_host_trace_buffer_size
,
2916 &dev_attr_host_trace_buffer
,
2917 &dev_attr_host_trace_buffer_enable
,
2922 * _ctl_device_sas_address_show - sas address
2923 * @cdev - pointer to embedded class device
2924 * @buf - the buffer returned
2926 * This is the sas address for the target
2928 * A sysfs 'read-only' shost attribute.
2931 _ctl_device_sas_address_show(struct device
*dev
, struct device_attribute
*attr
,
2934 struct scsi_device
*sdev
= to_scsi_device(dev
);
2935 struct MPT2SAS_DEVICE
*sas_device_priv_data
= sdev
->hostdata
;
2937 return snprintf(buf
, PAGE_SIZE
, "0x%016llx\n",
2938 (unsigned long long)sas_device_priv_data
->sas_target
->sas_address
);
2940 static DEVICE_ATTR(sas_address
, S_IRUGO
, _ctl_device_sas_address_show
, NULL
);
2943 * _ctl_device_handle_show - device handle
2944 * @cdev - pointer to embedded class device
2945 * @buf - the buffer returned
2947 * This is the firmware assigned device handle
2949 * A sysfs 'read-only' shost attribute.
2952 _ctl_device_handle_show(struct device
*dev
, struct device_attribute
*attr
,
2955 struct scsi_device
*sdev
= to_scsi_device(dev
);
2956 struct MPT2SAS_DEVICE
*sas_device_priv_data
= sdev
->hostdata
;
2958 return snprintf(buf
, PAGE_SIZE
, "0x%04x\n",
2959 sas_device_priv_data
->sas_target
->handle
);
2961 static DEVICE_ATTR(sas_device_handle
, S_IRUGO
, _ctl_device_handle_show
, NULL
);
2963 struct device_attribute
*mpt2sas_dev_attrs
[] = {
2964 &dev_attr_sas_address
,
2965 &dev_attr_sas_device_handle
,
2969 static const struct file_operations ctl_fops
= {
2970 .owner
= THIS_MODULE
,
2971 .unlocked_ioctl
= _ctl_ioctl
,
2972 .release
= _ctl_release
,
2974 .fasync
= _ctl_fasync
,
2975 #ifdef CONFIG_COMPAT
2976 .compat_ioctl
= _ctl_ioctl_compat
,
2978 .llseek
= noop_llseek
,
2981 static struct miscdevice ctl_dev
= {
2982 .minor
= MPT2SAS_MINOR
,
2983 .name
= MPT2SAS_DEV_NAME
,
2988 * mpt2sas_ctl_init - main entry point for ctl.
2992 mpt2sas_ctl_init(void)
2995 if (misc_register(&ctl_dev
) < 0)
2996 printk(KERN_ERR
"%s can't register misc device [minor=%d]\n",
2997 MPT2SAS_DRIVER_NAME
, MPT2SAS_MINOR
);
2999 init_waitqueue_head(&ctl_poll_wait
);
3003 * mpt2sas_ctl_exit - exit point for ctl
3007 mpt2sas_ctl_exit(void)
3009 struct MPT2SAS_ADAPTER
*ioc
;
3012 list_for_each_entry(ioc
, &mpt2sas_ioc_list
, list
) {
3014 /* free memory associated to diag buffers */
3015 for (i
= 0; i
< MPI2_DIAG_BUF_TYPE_COUNT
; i
++) {
3016 if (!ioc
->diag_buffer
[i
])
3018 pci_free_consistent(ioc
->pdev
, ioc
->diag_buffer_sz
[i
],
3019 ioc
->diag_buffer
[i
], ioc
->diag_buffer_dma
[i
]);
3020 ioc
->diag_buffer
[i
] = NULL
;
3021 ioc
->diag_buffer_status
[i
] = 0;
3024 kfree(ioc
->event_log
);
3026 misc_deregister(&ctl_dev
);