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);
1508 ioc->diag_buffer[buffer_type] = request_data;
1509 ioc->diag_buffer_sz[buffer_type] = request_data_sz;
1510 ioc->diag_buffer_dma[buffer_type] = request_data_dma;
1513 mpi_request->Function = MPI2_FUNCTION_DIAG_BUFFER_POST;
1514 mpi_request->BufferType = diag_register->buffer_type;
1515 mpi_request->Flags = cpu_to_le32(diag_register->diagnostic_flags);
1516 mpi_request->BufferAddress = cpu_to_le64(request_data_dma);
1517 mpi_request->BufferLength = cpu_to_le32(request_data_sz);
1518 mpi_request->VF_ID = 0; /* TODO */
1519 mpi_request->VP_ID = 0;
1521 dctlprintk(ioc, pr_info(MPT3SAS_FMT
1522 "%s: diag_buffer(0x%p), dma(0x%llx), sz(%d)\n",
1523 ioc->name, __func__, request_data,
1524 (unsigned long long)request_data_dma,
1525 le32_to_cpu(mpi_request->BufferLength)));
1527 for (i = 0; i < MPT3_PRODUCT_SPECIFIC_DWORDS; i++)
1528 mpi_request->ProductSpecific[i] =
1529 cpu_to_le32(ioc->product_specific[buffer_type][i]);
1531 init_completion(&ioc->ctl_cmds.done);
1532 ioc->put_smid_default(ioc, smid);
1533 wait_for_completion_timeout(&ioc->ctl_cmds.done,
1534 MPT3_IOCTL_DEFAULT_TIMEOUT*HZ);
1536 if (!(ioc->ctl_cmds.status & MPT3_CMD_COMPLETE)) {
1537 pr_err(MPT3SAS_FMT "%s: timeout\n", ioc->name,
1539 _debug_dump_mf(mpi_request,
1540 sizeof(Mpi2DiagBufferPostRequest_t)/4);
1541 if (!(ioc->ctl_cmds.status & MPT3_CMD_RESET))
1543 goto issue_host_reset;
1546 /* process the completed Reply Message Frame */
1547 if ((ioc->ctl_cmds.status & MPT3_CMD_REPLY_VALID) == 0) {
1548 pr_err(MPT3SAS_FMT "%s: no reply message\n",
1549 ioc->name, __func__);
1554 mpi_reply = ioc->ctl_cmds.reply;
1555 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
1557 if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
1558 ioc->diag_buffer_status[buffer_type] |=
1559 MPT3_DIAG_BUFFER_IS_REGISTERED;
1560 dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s: success\n",
1561 ioc->name, __func__));
1564 "%s: ioc_status(0x%04x) log_info(0x%08x)\n",
1565 ioc->name, __func__,
1566 ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo));
1572 mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
1576 if (rc && request_data)
1577 pci_free_consistent(ioc->pdev, request_data_sz,
1578 request_data, request_data_dma);
1580 ioc->ctl_cmds.status = MPT3_CMD_NOT_USED;
1585 * mpt3sas_enable_diag_buffer - enabling diag_buffers support driver load time
1586 * @ioc: per adapter object
1587 * @bits_to_register: bitwise field where trace is bit 0, and snapshot is bit 1
1589 * This is called when command line option diag_buffer_enable is enabled
1590 * at driver load time.
1593 mpt3sas_enable_diag_buffer(struct MPT3SAS_ADAPTER *ioc, u8 bits_to_register)
1595 struct mpt3_diag_register diag_register;
1597 memset(&diag_register, 0, sizeof(struct mpt3_diag_register));
1599 if (bits_to_register & 1) {
1600 pr_info(MPT3SAS_FMT "registering trace buffer support\n",
1602 ioc->diag_trigger_master.MasterData =
1603 (MASTER_TRIGGER_FW_FAULT + MASTER_TRIGGER_ADAPTER_RESET);
1604 diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_TRACE;
1605 /* register for 2MB buffers */
1606 diag_register.requested_buffer_size = 2 * (1024 * 1024);
1607 diag_register.unique_id = 0x7075900;
1608 _ctl_diag_register_2(ioc, &diag_register);
1611 if (bits_to_register & 2) {
1612 pr_info(MPT3SAS_FMT "registering snapshot buffer support\n",
1614 diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_SNAPSHOT;
1615 /* register for 2MB buffers */
1616 diag_register.requested_buffer_size = 2 * (1024 * 1024);
1617 diag_register.unique_id = 0x7075901;
1618 _ctl_diag_register_2(ioc, &diag_register);
1621 if (bits_to_register & 4) {
1622 pr_info(MPT3SAS_FMT "registering extended buffer support\n",
1624 diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_EXTENDED;
1625 /* register for 2MB buffers */
1626 diag_register.requested_buffer_size = 2 * (1024 * 1024);
1627 diag_register.unique_id = 0x7075901;
1628 _ctl_diag_register_2(ioc, &diag_register);
1633 * _ctl_diag_register - application register with driver
1634 * @ioc: per adapter object
1635 * @arg - user space buffer containing ioctl content
1637 * This will allow the driver to setup any required buffers that will be
1638 * needed by firmware to communicate with the driver.
1641 _ctl_diag_register(struct MPT3SAS_ADAPTER *ioc, void __user *arg)
1643 struct mpt3_diag_register karg;
1646 if (copy_from_user(&karg, arg, sizeof(karg))) {
1647 pr_err("failure at %s:%d/%s()!\n",
1648 __FILE__, __LINE__, __func__);
1652 rc = _ctl_diag_register_2(ioc, &karg);
1657 * _ctl_diag_unregister - application unregister with driver
1658 * @ioc: per adapter object
1659 * @arg - user space buffer containing ioctl content
1661 * This will allow the driver to cleanup any memory allocated for diag
1662 * messages and to free up any resources.
1665 _ctl_diag_unregister(struct MPT3SAS_ADAPTER *ioc, void __user *arg)
1667 struct mpt3_diag_unregister karg;
1669 dma_addr_t request_data_dma;
1670 u32 request_data_sz;
1673 if (copy_from_user(&karg, arg, sizeof(karg))) {
1674 pr_err("failure at %s:%d/%s()!\n",
1675 __FILE__, __LINE__, __func__);
1679 dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
1682 buffer_type = karg.unique_id & 0x000000ff;
1683 if (!_ctl_diag_capability(ioc, buffer_type)) {
1685 "%s: doesn't have capability for buffer_type(0x%02x)\n",
1686 ioc->name, __func__, buffer_type);
1690 if ((ioc->diag_buffer_status[buffer_type] &
1691 MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) {
1693 "%s: buffer_type(0x%02x) is not registered\n",
1694 ioc->name, __func__, buffer_type);
1697 if ((ioc->diag_buffer_status[buffer_type] &
1698 MPT3_DIAG_BUFFER_IS_RELEASED) == 0) {
1700 "%s: buffer_type(0x%02x) has not been released\n",
1701 ioc->name, __func__, buffer_type);
1705 if (karg.unique_id != ioc->unique_id[buffer_type]) {
1707 "%s: unique_id(0x%08x) is not registered\n",
1708 ioc->name, __func__, karg.unique_id);
1712 request_data = ioc->diag_buffer[buffer_type];
1713 if (!request_data) {
1715 "%s: doesn't have memory allocated for buffer_type(0x%02x)\n",
1716 ioc->name, __func__, buffer_type);
1720 request_data_sz = ioc->diag_buffer_sz[buffer_type];
1721 request_data_dma = ioc->diag_buffer_dma[buffer_type];
1722 pci_free_consistent(ioc->pdev, request_data_sz,
1723 request_data, request_data_dma);
1724 ioc->diag_buffer[buffer_type] = NULL;
1725 ioc->diag_buffer_status[buffer_type] = 0;
1730 * _ctl_diag_query - query relevant info associated with diag buffers
1731 * @ioc: per adapter object
1732 * @arg - user space buffer containing ioctl content
1734 * The application will send only buffer_type and unique_id. Driver will
1735 * inspect unique_id first, if valid, fill in all the info. If unique_id is
1736 * 0x00, the driver will return info specified by Buffer Type.
1739 _ctl_diag_query(struct MPT3SAS_ADAPTER *ioc, void __user *arg)
1741 struct mpt3_diag_query karg;
1746 if (copy_from_user(&karg, arg, sizeof(karg))) {
1747 pr_err("failure at %s:%d/%s()!\n",
1748 __FILE__, __LINE__, __func__);
1752 dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
1755 karg.application_flags = 0;
1756 buffer_type = karg.buffer_type;
1758 if (!_ctl_diag_capability(ioc, buffer_type)) {
1760 "%s: doesn't have capability for buffer_type(0x%02x)\n",
1761 ioc->name, __func__, buffer_type);
1765 if ((ioc->diag_buffer_status[buffer_type] &
1766 MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) {
1768 "%s: buffer_type(0x%02x) is not registered\n",
1769 ioc->name, __func__, buffer_type);
1773 if (karg.unique_id & 0xffffff00) {
1774 if (karg.unique_id != ioc->unique_id[buffer_type]) {
1776 "%s: unique_id(0x%08x) is not registered\n",
1777 ioc->name, __func__, karg.unique_id);
1782 request_data = ioc->diag_buffer[buffer_type];
1783 if (!request_data) {
1785 "%s: doesn't have buffer for buffer_type(0x%02x)\n",
1786 ioc->name, __func__, buffer_type);
1790 if (ioc->diag_buffer_status[buffer_type] & MPT3_DIAG_BUFFER_IS_RELEASED)
1791 karg.application_flags = (MPT3_APP_FLAGS_APP_OWNED |
1792 MPT3_APP_FLAGS_BUFFER_VALID);
1794 karg.application_flags = (MPT3_APP_FLAGS_APP_OWNED |
1795 MPT3_APP_FLAGS_BUFFER_VALID |
1796 MPT3_APP_FLAGS_FW_BUFFER_ACCESS);
1798 for (i = 0; i < MPT3_PRODUCT_SPECIFIC_DWORDS; i++)
1799 karg.product_specific[i] =
1800 ioc->product_specific[buffer_type][i];
1802 karg.total_buffer_size = ioc->diag_buffer_sz[buffer_type];
1803 karg.driver_added_buffer_size = 0;
1804 karg.unique_id = ioc->unique_id[buffer_type];
1805 karg.diagnostic_flags = ioc->diagnostic_flags[buffer_type];
1807 if (copy_to_user(arg, &karg, sizeof(struct mpt3_diag_query))) {
1809 "%s: unable to write mpt3_diag_query data @ %p\n",
1810 ioc->name, __func__, arg);
1817 * mpt3sas_send_diag_release - Diag Release Message
1818 * @ioc: per adapter object
1819 * @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED
1820 * @issue_reset - specifies whether host reset is required.
1824 mpt3sas_send_diag_release(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type,
1827 Mpi2DiagReleaseRequest_t *mpi_request;
1828 Mpi2DiagReleaseReply_t *mpi_reply;
1834 dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
1840 ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
1841 if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
1842 if (ioc->diag_buffer_status[buffer_type] &
1843 MPT3_DIAG_BUFFER_IS_REGISTERED)
1844 ioc->diag_buffer_status[buffer_type] |=
1845 MPT3_DIAG_BUFFER_IS_RELEASED;
1846 dctlprintk(ioc, pr_info(MPT3SAS_FMT
1847 "%s: skipping due to FAULT state\n", ioc->name,
1853 if (ioc->ctl_cmds.status != MPT3_CMD_NOT_USED) {
1854 pr_err(MPT3SAS_FMT "%s: ctl_cmd in use\n",
1855 ioc->name, __func__);
1860 smid = mpt3sas_base_get_smid(ioc, ioc->ctl_cb_idx);
1862 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
1863 ioc->name, __func__);
1868 ioc->ctl_cmds.status = MPT3_CMD_PENDING;
1869 memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
1870 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
1871 ioc->ctl_cmds.smid = smid;
1873 mpi_request->Function = MPI2_FUNCTION_DIAG_RELEASE;
1874 mpi_request->BufferType = buffer_type;
1875 mpi_request->VF_ID = 0; /* TODO */
1876 mpi_request->VP_ID = 0;
1878 init_completion(&ioc->ctl_cmds.done);
1879 ioc->put_smid_default(ioc, smid);
1880 wait_for_completion_timeout(&ioc->ctl_cmds.done,
1881 MPT3_IOCTL_DEFAULT_TIMEOUT*HZ);
1883 if (!(ioc->ctl_cmds.status & MPT3_CMD_COMPLETE)) {
1884 pr_err(MPT3SAS_FMT "%s: timeout\n", ioc->name,
1886 _debug_dump_mf(mpi_request,
1887 sizeof(Mpi2DiagReleaseRequest_t)/4);
1888 if (!(ioc->ctl_cmds.status & MPT3_CMD_RESET))
1894 /* process the completed Reply Message Frame */
1895 if ((ioc->ctl_cmds.status & MPT3_CMD_REPLY_VALID) == 0) {
1896 pr_err(MPT3SAS_FMT "%s: no reply message\n",
1897 ioc->name, __func__);
1902 mpi_reply = ioc->ctl_cmds.reply;
1903 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
1905 if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
1906 ioc->diag_buffer_status[buffer_type] |=
1907 MPT3_DIAG_BUFFER_IS_RELEASED;
1908 dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s: success\n",
1909 ioc->name, __func__));
1912 "%s: ioc_status(0x%04x) log_info(0x%08x)\n",
1913 ioc->name, __func__,
1914 ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo));
1919 ioc->ctl_cmds.status = MPT3_CMD_NOT_USED;
1924 * _ctl_diag_release - request to send Diag Release Message to firmware
1925 * @arg - user space buffer containing ioctl content
1927 * This allows ownership of the specified buffer to returned to the driver,
1928 * allowing an application to read the buffer without fear that firmware is
1929 * overwriting information in the buffer.
1932 _ctl_diag_release(struct MPT3SAS_ADAPTER *ioc, void __user *arg)
1934 struct mpt3_diag_release karg;
1940 if (copy_from_user(&karg, arg, sizeof(karg))) {
1941 pr_err("failure at %s:%d/%s()!\n",
1942 __FILE__, __LINE__, __func__);
1946 dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
1949 buffer_type = karg.unique_id & 0x000000ff;
1950 if (!_ctl_diag_capability(ioc, buffer_type)) {
1952 "%s: doesn't have capability for buffer_type(0x%02x)\n",
1953 ioc->name, __func__, buffer_type);
1957 if ((ioc->diag_buffer_status[buffer_type] &
1958 MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) {
1960 "%s: buffer_type(0x%02x) is not registered\n",
1961 ioc->name, __func__, buffer_type);
1965 if (karg.unique_id != ioc->unique_id[buffer_type]) {
1967 "%s: unique_id(0x%08x) is not registered\n",
1968 ioc->name, __func__, karg.unique_id);
1972 if (ioc->diag_buffer_status[buffer_type] &
1973 MPT3_DIAG_BUFFER_IS_RELEASED) {
1975 "%s: buffer_type(0x%02x) is already released\n",
1976 ioc->name, __func__,
1981 request_data = ioc->diag_buffer[buffer_type];
1983 if (!request_data) {
1985 "%s: doesn't have memory allocated for buffer_type(0x%02x)\n",
1986 ioc->name, __func__, buffer_type);
1990 /* buffers were released by due to host reset */
1991 if ((ioc->diag_buffer_status[buffer_type] &
1992 MPT3_DIAG_BUFFER_IS_DIAG_RESET)) {
1993 ioc->diag_buffer_status[buffer_type] |=
1994 MPT3_DIAG_BUFFER_IS_RELEASED;
1995 ioc->diag_buffer_status[buffer_type] &=
1996 ~MPT3_DIAG_BUFFER_IS_DIAG_RESET;
1998 "%s: buffer_type(0x%02x) was released due to host reset\n",
1999 ioc->name, __func__, buffer_type);
2003 rc = mpt3sas_send_diag_release(ioc, buffer_type, &issue_reset);
2006 mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
2012 * _ctl_diag_read_buffer - request for copy of the diag buffer
2013 * @ioc: per adapter object
2014 * @arg - user space buffer containing ioctl content
2017 _ctl_diag_read_buffer(struct MPT3SAS_ADAPTER *ioc, void __user *arg)
2019 struct mpt3_diag_read_buffer karg;
2020 struct mpt3_diag_read_buffer __user *uarg = arg;
2021 void *request_data, *diag_data;
2022 Mpi2DiagBufferPostRequest_t *mpi_request;
2023 Mpi2DiagBufferPostReply_t *mpi_reply;
2026 unsigned long request_size, copy_size;
2031 if (copy_from_user(&karg, arg, sizeof(karg))) {
2032 pr_err("failure at %s:%d/%s()!\n",
2033 __FILE__, __LINE__, __func__);
2037 dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2040 buffer_type = karg.unique_id & 0x000000ff;
2041 if (!_ctl_diag_capability(ioc, buffer_type)) {
2043 "%s: doesn't have capability for buffer_type(0x%02x)\n",
2044 ioc->name, __func__, buffer_type);
2048 if (karg.unique_id != ioc->unique_id[buffer_type]) {
2050 "%s: unique_id(0x%08x) is not registered\n",
2051 ioc->name, __func__, karg.unique_id);
2055 request_data = ioc->diag_buffer[buffer_type];
2056 if (!request_data) {
2058 "%s: doesn't have buffer for buffer_type(0x%02x)\n",
2059 ioc->name, __func__, buffer_type);
2063 request_size = ioc->diag_buffer_sz[buffer_type];
2065 if ((karg.starting_offset % 4) || (karg.bytes_to_read % 4)) {
2066 pr_err(MPT3SAS_FMT "%s: either the starting_offset " \
2067 "or bytes_to_read are not 4 byte aligned\n", ioc->name,
2072 if (karg.starting_offset > request_size)
2075 diag_data = (void *)(request_data + karg.starting_offset);
2076 dctlprintk(ioc, pr_info(MPT3SAS_FMT
2077 "%s: diag_buffer(%p), offset(%d), sz(%d)\n",
2078 ioc->name, __func__,
2079 diag_data, karg.starting_offset, karg.bytes_to_read));
2081 /* Truncate data on requests that are too large */
2082 if ((diag_data + karg.bytes_to_read < diag_data) ||
2083 (diag_data + karg.bytes_to_read > request_data + request_size))
2084 copy_size = request_size - karg.starting_offset;
2086 copy_size = karg.bytes_to_read;
2088 if (copy_to_user((void __user *)uarg->diagnostic_data,
2089 diag_data, copy_size)) {
2091 "%s: Unable to write mpt_diag_read_buffer_t data @ %p\n",
2092 ioc->name, __func__, diag_data);
2096 if ((karg.flags & MPT3_FLAGS_REREGISTER) == 0)
2099 dctlprintk(ioc, pr_info(MPT3SAS_FMT
2100 "%s: Reregister buffer_type(0x%02x)\n",
2101 ioc->name, __func__, buffer_type));
2102 if ((ioc->diag_buffer_status[buffer_type] &
2103 MPT3_DIAG_BUFFER_IS_RELEASED) == 0) {
2104 dctlprintk(ioc, pr_info(MPT3SAS_FMT
2105 "%s: buffer_type(0x%02x) is still registered\n",
2106 ioc->name, __func__, buffer_type));
2109 /* Get a free request frame and save the message context.
2112 if (ioc->ctl_cmds.status != MPT3_CMD_NOT_USED) {
2113 pr_err(MPT3SAS_FMT "%s: ctl_cmd in use\n",
2114 ioc->name, __func__);
2119 smid = mpt3sas_base_get_smid(ioc, ioc->ctl_cb_idx);
2121 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
2122 ioc->name, __func__);
2128 ioc->ctl_cmds.status = MPT3_CMD_PENDING;
2129 memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
2130 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
2131 ioc->ctl_cmds.smid = smid;
2133 mpi_request->Function = MPI2_FUNCTION_DIAG_BUFFER_POST;
2134 mpi_request->BufferType = buffer_type;
2135 mpi_request->BufferLength =
2136 cpu_to_le32(ioc->diag_buffer_sz[buffer_type]);
2137 mpi_request->BufferAddress =
2138 cpu_to_le64(ioc->diag_buffer_dma[buffer_type]);
2139 for (i = 0; i < MPT3_PRODUCT_SPECIFIC_DWORDS; i++)
2140 mpi_request->ProductSpecific[i] =
2141 cpu_to_le32(ioc->product_specific[buffer_type][i]);
2142 mpi_request->VF_ID = 0; /* TODO */
2143 mpi_request->VP_ID = 0;
2145 init_completion(&ioc->ctl_cmds.done);
2146 ioc->put_smid_default(ioc, smid);
2147 wait_for_completion_timeout(&ioc->ctl_cmds.done,
2148 MPT3_IOCTL_DEFAULT_TIMEOUT*HZ);
2150 if (!(ioc->ctl_cmds.status & MPT3_CMD_COMPLETE)) {
2151 pr_err(MPT3SAS_FMT "%s: timeout\n", ioc->name,
2153 _debug_dump_mf(mpi_request,
2154 sizeof(Mpi2DiagBufferPostRequest_t)/4);
2155 if (!(ioc->ctl_cmds.status & MPT3_CMD_RESET))
2157 goto issue_host_reset;
2160 /* process the completed Reply Message Frame */
2161 if ((ioc->ctl_cmds.status & MPT3_CMD_REPLY_VALID) == 0) {
2162 pr_err(MPT3SAS_FMT "%s: no reply message\n",
2163 ioc->name, __func__);
2168 mpi_reply = ioc->ctl_cmds.reply;
2169 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
2171 if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
2172 ioc->diag_buffer_status[buffer_type] |=
2173 MPT3_DIAG_BUFFER_IS_REGISTERED;
2174 dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s: success\n",
2175 ioc->name, __func__));
2178 "%s: ioc_status(0x%04x) log_info(0x%08x)\n",
2179 ioc->name, __func__,
2180 ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo));
2186 mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
2190 ioc->ctl_cmds.status = MPT3_CMD_NOT_USED;
2196 #ifdef CONFIG_COMPAT
2198 * _ctl_compat_mpt_command - convert 32bit pointers to 64bit.
2199 * @ioc: per adapter object
2200 * @cmd - ioctl opcode
2201 * @arg - (struct mpt3_ioctl_command32)
2203 * MPT3COMMAND32 - Handle 32bit applications running on 64bit os.
2206 _ctl_compat_mpt_command(struct MPT3SAS_ADAPTER *ioc, unsigned cmd,
2209 struct mpt3_ioctl_command32 karg32;
2210 struct mpt3_ioctl_command32 __user *uarg;
2211 struct mpt3_ioctl_command karg;
2213 if (_IOC_SIZE(cmd) != sizeof(struct mpt3_ioctl_command32))
2216 uarg = (struct mpt3_ioctl_command32 __user *) arg;
2218 if (copy_from_user(&karg32, (char __user *)arg, sizeof(karg32))) {
2219 pr_err("failure at %s:%d/%s()!\n",
2220 __FILE__, __LINE__, __func__);
2224 memset(&karg, 0, sizeof(struct mpt3_ioctl_command));
2225 karg.hdr.ioc_number = karg32.hdr.ioc_number;
2226 karg.hdr.port_number = karg32.hdr.port_number;
2227 karg.hdr.max_data_size = karg32.hdr.max_data_size;
2228 karg.timeout = karg32.timeout;
2229 karg.max_reply_bytes = karg32.max_reply_bytes;
2230 karg.data_in_size = karg32.data_in_size;
2231 karg.data_out_size = karg32.data_out_size;
2232 karg.max_sense_bytes = karg32.max_sense_bytes;
2233 karg.data_sge_offset = karg32.data_sge_offset;
2234 karg.reply_frame_buf_ptr = compat_ptr(karg32.reply_frame_buf_ptr);
2235 karg.data_in_buf_ptr = compat_ptr(karg32.data_in_buf_ptr);
2236 karg.data_out_buf_ptr = compat_ptr(karg32.data_out_buf_ptr);
2237 karg.sense_data_ptr = compat_ptr(karg32.sense_data_ptr);
2238 return _ctl_do_mpt_command(ioc, karg, &uarg->mf);
2243 * _ctl_ioctl_main - main ioctl entry point
2244 * @file - (struct file)
2245 * @cmd - ioctl opcode
2246 * @arg - user space data buffer
2247 * @compat - handles 32 bit applications in 64bit os
2248 * @mpi_version: will be MPI2_VERSION for mpt2ctl ioctl device &
2249 * MPI25_VERSION | MPI26_VERSION for mpt3ctl ioctl device.
2252 _ctl_ioctl_main(struct file *file, unsigned int cmd, void __user *arg,
2253 u8 compat, u16 mpi_version)
2255 struct MPT3SAS_ADAPTER *ioc;
2256 struct mpt3_ioctl_header ioctl_header;
2257 enum block_state state;
2260 /* get IOCTL header */
2261 if (copy_from_user(&ioctl_header, (char __user *)arg,
2262 sizeof(struct mpt3_ioctl_header))) {
2263 pr_err("failure at %s:%d/%s()!\n",
2264 __FILE__, __LINE__, __func__);
2268 if (_ctl_verify_adapter(ioctl_header.ioc_number,
2269 &ioc, mpi_version) == -1 || !ioc)
2272 /* pci_access_mutex lock acquired by ioctl path */
2273 mutex_lock(&ioc->pci_access_mutex);
2275 if (ioc->shost_recovery || ioc->pci_error_recovery ||
2276 ioc->is_driver_loading || ioc->remove_host) {
2278 goto out_unlock_pciaccess;
2281 state = (file->f_flags & O_NONBLOCK) ? NON_BLOCKING : BLOCKING;
2282 if (state == NON_BLOCKING) {
2283 if (!mutex_trylock(&ioc->ctl_cmds.mutex)) {
2285 goto out_unlock_pciaccess;
2287 } else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex)) {
2289 goto out_unlock_pciaccess;
2295 if (_IOC_SIZE(cmd) == sizeof(struct mpt3_ioctl_iocinfo))
2296 ret = _ctl_getiocinfo(ioc, arg);
2298 #ifdef CONFIG_COMPAT
2303 struct mpt3_ioctl_command __user *uarg;
2304 struct mpt3_ioctl_command karg;
2306 #ifdef CONFIG_COMPAT
2308 ret = _ctl_compat_mpt_command(ioc, cmd, arg);
2312 if (copy_from_user(&karg, arg, sizeof(karg))) {
2313 pr_err("failure at %s:%d/%s()!\n",
2314 __FILE__, __LINE__, __func__);
2319 if (_IOC_SIZE(cmd) == sizeof(struct mpt3_ioctl_command)) {
2321 ret = _ctl_do_mpt_command(ioc, karg, &uarg->mf);
2325 case MPT3EVENTQUERY:
2326 if (_IOC_SIZE(cmd) == sizeof(struct mpt3_ioctl_eventquery))
2327 ret = _ctl_eventquery(ioc, arg);
2329 case MPT3EVENTENABLE:
2330 if (_IOC_SIZE(cmd) == sizeof(struct mpt3_ioctl_eventenable))
2331 ret = _ctl_eventenable(ioc, arg);
2333 case MPT3EVENTREPORT:
2334 ret = _ctl_eventreport(ioc, arg);
2337 if (_IOC_SIZE(cmd) == sizeof(struct mpt3_ioctl_diag_reset))
2338 ret = _ctl_do_reset(ioc, arg);
2340 case MPT3BTDHMAPPING:
2341 if (_IOC_SIZE(cmd) == sizeof(struct mpt3_ioctl_btdh_mapping))
2342 ret = _ctl_btdh_mapping(ioc, arg);
2344 case MPT3DIAGREGISTER:
2345 if (_IOC_SIZE(cmd) == sizeof(struct mpt3_diag_register))
2346 ret = _ctl_diag_register(ioc, arg);
2348 case MPT3DIAGUNREGISTER:
2349 if (_IOC_SIZE(cmd) == sizeof(struct mpt3_diag_unregister))
2350 ret = _ctl_diag_unregister(ioc, arg);
2353 if (_IOC_SIZE(cmd) == sizeof(struct mpt3_diag_query))
2354 ret = _ctl_diag_query(ioc, arg);
2356 case MPT3DIAGRELEASE:
2357 if (_IOC_SIZE(cmd) == sizeof(struct mpt3_diag_release))
2358 ret = _ctl_diag_release(ioc, arg);
2360 case MPT3DIAGREADBUFFER:
2361 if (_IOC_SIZE(cmd) == sizeof(struct mpt3_diag_read_buffer))
2362 ret = _ctl_diag_read_buffer(ioc, arg);
2365 dctlprintk(ioc, pr_info(MPT3SAS_FMT
2366 "unsupported ioctl opcode(0x%08x)\n", ioc->name, cmd));
2370 mutex_unlock(&ioc->ctl_cmds.mutex);
2371 out_unlock_pciaccess:
2372 mutex_unlock(&ioc->pci_access_mutex);
2377 * _ctl_ioctl - mpt3ctl main ioctl entry point (unlocked)
2378 * @file - (struct file)
2379 * @cmd - ioctl opcode
2383 _ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
2387 /* pass MPI25_VERSION | MPI26_VERSION value,
2388 * to indicate that this ioctl cmd
2389 * came from mpt3ctl ioctl device.
2391 ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 0,
2392 MPI25_VERSION | MPI26_VERSION);
2397 * _ctl_mpt2_ioctl - mpt2ctl main ioctl entry point (unlocked)
2398 * @file - (struct file)
2399 * @cmd - ioctl opcode
2403 _ctl_mpt2_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
2407 /* pass MPI2_VERSION value, to indicate that this ioctl cmd
2408 * came from mpt2ctl ioctl device.
2410 ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 0, MPI2_VERSION);
2413 #ifdef CONFIG_COMPAT
2415 *_ ctl_ioctl_compat - main ioctl entry point (compat)
2420 * This routine handles 32 bit applications in 64bit os.
2423 _ctl_ioctl_compat(struct file *file, unsigned cmd, unsigned long arg)
2427 ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 1,
2428 MPI25_VERSION | MPI26_VERSION);
2433 *_ ctl_mpt2_ioctl_compat - main ioctl entry point (compat)
2438 * This routine handles 32 bit applications in 64bit os.
2441 _ctl_mpt2_ioctl_compat(struct file *file, unsigned cmd, unsigned long arg)
2445 ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 1, MPI2_VERSION);
2450 /* scsi host attributes */
2452 * _ctl_version_fw_show - firmware version
2453 * @cdev - pointer to embedded class device
2454 * @buf - the buffer returned
2456 * A sysfs 'read-only' shost attribute.
2459 _ctl_version_fw_show(struct device *cdev, struct device_attribute *attr,
2462 struct Scsi_Host *shost = class_to_shost(cdev);
2463 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
2465 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
2466 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
2467 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
2468 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
2469 ioc->facts.FWVersion.Word & 0x000000FF);
2471 static DEVICE_ATTR(version_fw, S_IRUGO, _ctl_version_fw_show, NULL);
2474 * _ctl_version_bios_show - bios version
2475 * @cdev - pointer to embedded class device
2476 * @buf - the buffer returned
2478 * A sysfs 'read-only' shost attribute.
2481 _ctl_version_bios_show(struct device *cdev, struct device_attribute *attr,
2484 struct Scsi_Host *shost = class_to_shost(cdev);
2485 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
2487 u32 version = le32_to_cpu(ioc->bios_pg3.BiosVersion);
2489 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
2490 (version & 0xFF000000) >> 24,
2491 (version & 0x00FF0000) >> 16,
2492 (version & 0x0000FF00) >> 8,
2493 version & 0x000000FF);
2495 static DEVICE_ATTR(version_bios, S_IRUGO, _ctl_version_bios_show, NULL);
2498 * _ctl_version_mpi_show - MPI (message passing interface) version
2499 * @cdev - pointer to embedded class device
2500 * @buf - the buffer returned
2502 * A sysfs 'read-only' shost attribute.
2505 _ctl_version_mpi_show(struct device *cdev, struct device_attribute *attr,
2508 struct Scsi_Host *shost = class_to_shost(cdev);
2509 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
2511 return snprintf(buf, PAGE_SIZE, "%03x.%02x\n",
2512 ioc->facts.MsgVersion, ioc->facts.HeaderVersion >> 8);
2514 static DEVICE_ATTR(version_mpi, S_IRUGO, _ctl_version_mpi_show, NULL);
2517 * _ctl_version_product_show - product name
2518 * @cdev - pointer to embedded class device
2519 * @buf - the buffer returned
2521 * A sysfs 'read-only' shost attribute.
2524 _ctl_version_product_show(struct device *cdev, struct device_attribute *attr,
2527 struct Scsi_Host *shost = class_to_shost(cdev);
2528 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
2530 return snprintf(buf, 16, "%s\n", ioc->manu_pg0.ChipName);
2532 static DEVICE_ATTR(version_product, S_IRUGO, _ctl_version_product_show, NULL);
2535 * _ctl_version_nvdata_persistent_show - ndvata persistent version
2536 * @cdev - pointer to embedded class device
2537 * @buf - the buffer returned
2539 * A sysfs 'read-only' shost attribute.
2542 _ctl_version_nvdata_persistent_show(struct device *cdev,
2543 struct device_attribute *attr, char *buf)
2545 struct Scsi_Host *shost = class_to_shost(cdev);
2546 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
2548 return snprintf(buf, PAGE_SIZE, "%08xh\n",
2549 le32_to_cpu(ioc->iounit_pg0.NvdataVersionPersistent.Word));
2551 static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
2552 _ctl_version_nvdata_persistent_show, NULL);
2555 * _ctl_version_nvdata_default_show - nvdata default version
2556 * @cdev - pointer to embedded class device
2557 * @buf - the buffer returned
2559 * A sysfs 'read-only' shost attribute.
2562 _ctl_version_nvdata_default_show(struct device *cdev, struct device_attribute
2565 struct Scsi_Host *shost = class_to_shost(cdev);
2566 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
2568 return snprintf(buf, PAGE_SIZE, "%08xh\n",
2569 le32_to_cpu(ioc->iounit_pg0.NvdataVersionDefault.Word));
2571 static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
2572 _ctl_version_nvdata_default_show, NULL);
2575 * _ctl_board_name_show - board name
2576 * @cdev - pointer to embedded class device
2577 * @buf - the buffer returned
2579 * A sysfs 'read-only' shost attribute.
2582 _ctl_board_name_show(struct device *cdev, struct device_attribute *attr,
2585 struct Scsi_Host *shost = class_to_shost(cdev);
2586 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
2588 return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardName);
2590 static DEVICE_ATTR(board_name, S_IRUGO, _ctl_board_name_show, NULL);
2593 * _ctl_board_assembly_show - board assembly name
2594 * @cdev - pointer to embedded class device
2595 * @buf - the buffer returned
2597 * A sysfs 'read-only' shost attribute.
2600 _ctl_board_assembly_show(struct device *cdev, struct device_attribute *attr,
2603 struct Scsi_Host *shost = class_to_shost(cdev);
2604 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
2606 return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardAssembly);
2608 static DEVICE_ATTR(board_assembly, S_IRUGO, _ctl_board_assembly_show, NULL);
2611 * _ctl_board_tracer_show - board tracer number
2612 * @cdev - pointer to embedded class device
2613 * @buf - the buffer returned
2615 * A sysfs 'read-only' shost attribute.
2618 _ctl_board_tracer_show(struct device *cdev, struct device_attribute *attr,
2621 struct Scsi_Host *shost = class_to_shost(cdev);
2622 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
2624 return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardTracerNumber);
2626 static DEVICE_ATTR(board_tracer, S_IRUGO, _ctl_board_tracer_show, NULL);
2629 * _ctl_io_delay_show - io missing delay
2630 * @cdev - pointer to embedded class device
2631 * @buf - the buffer returned
2633 * This is for firmware implemention for deboucing device
2636 * A sysfs 'read-only' shost attribute.
2639 _ctl_io_delay_show(struct device *cdev, struct device_attribute *attr,
2642 struct Scsi_Host *shost = class_to_shost(cdev);
2643 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
2645 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
2647 static DEVICE_ATTR(io_delay, S_IRUGO, _ctl_io_delay_show, NULL);
2650 * _ctl_device_delay_show - device missing delay
2651 * @cdev - pointer to embedded class device
2652 * @buf - the buffer returned
2654 * This is for firmware implemention for deboucing device
2657 * A sysfs 'read-only' shost attribute.
2660 _ctl_device_delay_show(struct device *cdev, struct device_attribute *attr,
2663 struct Scsi_Host *shost = class_to_shost(cdev);
2664 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
2666 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
2668 static DEVICE_ATTR(device_delay, S_IRUGO, _ctl_device_delay_show, NULL);
2671 * _ctl_fw_queue_depth_show - global credits
2672 * @cdev - pointer to embedded class device
2673 * @buf - the buffer returned
2675 * This is firmware queue depth limit
2677 * A sysfs 'read-only' shost attribute.
2680 _ctl_fw_queue_depth_show(struct device *cdev, struct device_attribute *attr,
2683 struct Scsi_Host *shost = class_to_shost(cdev);
2684 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
2686 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->facts.RequestCredit);
2688 static DEVICE_ATTR(fw_queue_depth, S_IRUGO, _ctl_fw_queue_depth_show, NULL);
2691 * _ctl_sas_address_show - sas address
2692 * @cdev - pointer to embedded class device
2693 * @buf - the buffer returned
2695 * This is the controller sas address
2697 * A sysfs 'read-only' shost attribute.
2700 _ctl_host_sas_address_show(struct device *cdev, struct device_attribute *attr,
2704 struct Scsi_Host *shost = class_to_shost(cdev);
2705 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
2707 return snprintf(buf, PAGE_SIZE, "0x%016llx\n",
2708 (unsigned long long)ioc->sas_hba.sas_address);
2710 static DEVICE_ATTR(host_sas_address, S_IRUGO,
2711 _ctl_host_sas_address_show, NULL);
2714 * _ctl_logging_level_show - logging level
2715 * @cdev - pointer to embedded class device
2716 * @buf - the buffer returned
2718 * A sysfs 'read/write' shost attribute.
2721 _ctl_logging_level_show(struct device *cdev, struct device_attribute *attr,
2724 struct Scsi_Host *shost = class_to_shost(cdev);
2725 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
2727 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->logging_level);
2730 _ctl_logging_level_store(struct device *cdev, struct device_attribute *attr,
2731 const char *buf, size_t count)
2733 struct Scsi_Host *shost = class_to_shost(cdev);
2734 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
2737 if (sscanf(buf, "%x", &val) != 1)
2740 ioc->logging_level = val;
2741 pr_info(MPT3SAS_FMT "logging_level=%08xh\n", ioc->name,
2742 ioc->logging_level);
2745 static DEVICE_ATTR(logging_level, S_IRUGO | S_IWUSR, _ctl_logging_level_show,
2746 _ctl_logging_level_store);
2749 * _ctl_fwfault_debug_show - show/store fwfault_debug
2750 * @cdev - pointer to embedded class device
2751 * @buf - the buffer returned
2753 * mpt3sas_fwfault_debug is command line option
2754 * A sysfs 'read/write' shost attribute.
2757 _ctl_fwfault_debug_show(struct device *cdev, struct device_attribute *attr,
2760 struct Scsi_Host *shost = class_to_shost(cdev);
2761 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
2763 return snprintf(buf, PAGE_SIZE, "%d\n", ioc->fwfault_debug);
2766 _ctl_fwfault_debug_store(struct device *cdev, struct device_attribute *attr,
2767 const char *buf, size_t count)
2769 struct Scsi_Host *shost = class_to_shost(cdev);
2770 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
2773 if (sscanf(buf, "%d", &val) != 1)
2776 ioc->fwfault_debug = val;
2777 pr_info(MPT3SAS_FMT "fwfault_debug=%d\n", ioc->name,
2778 ioc->fwfault_debug);
2781 static DEVICE_ATTR(fwfault_debug, S_IRUGO | S_IWUSR,
2782 _ctl_fwfault_debug_show, _ctl_fwfault_debug_store);
2785 * _ctl_ioc_reset_count_show - ioc reset count
2786 * @cdev - pointer to embedded class device
2787 * @buf - the buffer returned
2789 * This is firmware queue depth limit
2791 * A sysfs 'read-only' shost attribute.
2794 _ctl_ioc_reset_count_show(struct device *cdev, struct device_attribute *attr,
2797 struct Scsi_Host *shost = class_to_shost(cdev);
2798 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
2800 return snprintf(buf, PAGE_SIZE, "%d\n", ioc->ioc_reset_count);
2802 static DEVICE_ATTR(ioc_reset_count, S_IRUGO, _ctl_ioc_reset_count_show, NULL);
2805 * _ctl_ioc_reply_queue_count_show - number of reply queues
2806 * @cdev - pointer to embedded class device
2807 * @buf - the buffer returned
2809 * This is number of reply queues
2811 * A sysfs 'read-only' shost attribute.
2814 _ctl_ioc_reply_queue_count_show(struct device *cdev,
2815 struct device_attribute *attr, char *buf)
2817 u8 reply_queue_count;
2818 struct Scsi_Host *shost = class_to_shost(cdev);
2819 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
2821 if ((ioc->facts.IOCCapabilities &
2822 MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable)
2823 reply_queue_count = ioc->reply_queue_count;
2825 reply_queue_count = 1;
2827 return snprintf(buf, PAGE_SIZE, "%d\n", reply_queue_count);
2829 static DEVICE_ATTR(reply_queue_count, S_IRUGO, _ctl_ioc_reply_queue_count_show,
2833 * _ctl_BRM_status_show - Backup Rail Monitor Status
2834 * @cdev - pointer to embedded class device
2835 * @buf - the buffer returned
2837 * This is number of reply queues
2839 * A sysfs 'read-only' shost attribute.
2842 _ctl_BRM_status_show(struct device *cdev, struct device_attribute *attr,
2845 struct Scsi_Host *shost = class_to_shost(cdev);
2846 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
2847 Mpi2IOUnitPage3_t *io_unit_pg3 = NULL;
2848 Mpi2ConfigReply_t mpi_reply;
2849 u16 backup_rail_monitor_status = 0;
2854 if (!ioc->is_warpdrive) {
2855 pr_err(MPT3SAS_FMT "%s: BRM attribute is only for"
2856 " warpdrive\n", ioc->name, __func__);
2859 /* pci_access_mutex lock acquired by sysfs show path */
2860 mutex_lock(&ioc->pci_access_mutex);
2861 if (ioc->pci_error_recovery || ioc->remove_host) {
2862 mutex_unlock(&ioc->pci_access_mutex);
2866 /* allocate upto GPIOVal 36 entries */
2867 sz = offsetof(Mpi2IOUnitPage3_t, GPIOVal) + (sizeof(u16) * 36);
2868 io_unit_pg3 = kzalloc(sz, GFP_KERNEL);
2870 pr_err(MPT3SAS_FMT "%s: failed allocating memory "
2871 "for iounit_pg3: (%d) bytes\n", ioc->name, __func__, sz);
2875 if (mpt3sas_config_get_iounit_pg3(ioc, &mpi_reply, io_unit_pg3, sz) !=
2878 "%s: failed reading iounit_pg3\n", ioc->name,
2883 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
2884 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
2885 pr_err(MPT3SAS_FMT "%s: iounit_pg3 failed with "
2886 "ioc_status(0x%04x)\n", ioc->name, __func__, ioc_status);
2890 if (io_unit_pg3->GPIOCount < 25) {
2891 pr_err(MPT3SAS_FMT "%s: iounit_pg3->GPIOCount less than "
2892 "25 entries, detected (%d) entries\n", ioc->name, __func__,
2893 io_unit_pg3->GPIOCount);
2897 /* BRM status is in bit zero of GPIOVal[24] */
2898 backup_rail_monitor_status = le16_to_cpu(io_unit_pg3->GPIOVal[24]);
2899 rc = snprintf(buf, PAGE_SIZE, "%d\n", (backup_rail_monitor_status & 1));
2903 mutex_unlock(&ioc->pci_access_mutex);
2906 static DEVICE_ATTR(BRM_status, S_IRUGO, _ctl_BRM_status_show, NULL);
2908 struct DIAG_BUFFER_START {
2919 * _ctl_host_trace_buffer_size_show - host buffer size (trace only)
2920 * @cdev - pointer to embedded class device
2921 * @buf - the buffer returned
2923 * A sysfs 'read-only' shost attribute.
2926 _ctl_host_trace_buffer_size_show(struct device *cdev,
2927 struct device_attribute *attr, char *buf)
2929 struct Scsi_Host *shost = class_to_shost(cdev);
2930 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
2932 struct DIAG_BUFFER_START *request_data;
2934 if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) {
2936 "%s: host_trace_buffer is not registered\n",
2937 ioc->name, __func__);
2941 if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
2942 MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) {
2944 "%s: host_trace_buffer is not registered\n",
2945 ioc->name, __func__);
2949 request_data = (struct DIAG_BUFFER_START *)
2950 ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE];
2951 if ((le32_to_cpu(request_data->DiagVersion) == 0x00000000 ||
2952 le32_to_cpu(request_data->DiagVersion) == 0x01000000 ||
2953 le32_to_cpu(request_data->DiagVersion) == 0x01010000) &&
2954 le32_to_cpu(request_data->Reserved3) == 0x4742444c)
2955 size = le32_to_cpu(request_data->Size);
2957 ioc->ring_buffer_sz = size;
2958 return snprintf(buf, PAGE_SIZE, "%d\n", size);
2960 static DEVICE_ATTR(host_trace_buffer_size, S_IRUGO,
2961 _ctl_host_trace_buffer_size_show, NULL);
2964 * _ctl_host_trace_buffer_show - firmware ring buffer (trace only)
2965 * @cdev - pointer to embedded class device
2966 * @buf - the buffer returned
2968 * A sysfs 'read/write' shost attribute.
2970 * You will only be able to read 4k bytes of ring buffer at a time.
2971 * In order to read beyond 4k bytes, you will have to write out the
2972 * offset to the same attribute, it will move the pointer.
2975 _ctl_host_trace_buffer_show(struct device *cdev, struct device_attribute *attr,
2978 struct Scsi_Host *shost = class_to_shost(cdev);
2979 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
2983 if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) {
2985 "%s: host_trace_buffer is not registered\n",
2986 ioc->name, __func__);
2990 if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
2991 MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) {
2993 "%s: host_trace_buffer is not registered\n",
2994 ioc->name, __func__);
2998 if (ioc->ring_buffer_offset > ioc->ring_buffer_sz)
3001 size = ioc->ring_buffer_sz - ioc->ring_buffer_offset;
3002 size = (size >= PAGE_SIZE) ? (PAGE_SIZE - 1) : size;
3003 request_data = ioc->diag_buffer[0] + ioc->ring_buffer_offset;
3004 memcpy(buf, request_data, size);
3009 _ctl_host_trace_buffer_store(struct device *cdev, struct device_attribute *attr,
3010 const char *buf, size_t count)
3012 struct Scsi_Host *shost = class_to_shost(cdev);
3013 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
3016 if (sscanf(buf, "%d", &val) != 1)
3019 ioc->ring_buffer_offset = val;
3022 static DEVICE_ATTR(host_trace_buffer, S_IRUGO | S_IWUSR,
3023 _ctl_host_trace_buffer_show, _ctl_host_trace_buffer_store);
3026 /*****************************************/
3029 * _ctl_host_trace_buffer_enable_show - firmware ring buffer (trace only)
3030 * @cdev - pointer to embedded class device
3031 * @buf - the buffer returned
3033 * A sysfs 'read/write' shost attribute.
3035 * This is a mechnism to post/release host_trace_buffers
3038 _ctl_host_trace_buffer_enable_show(struct device *cdev,
3039 struct device_attribute *attr, char *buf)
3041 struct Scsi_Host *shost = class_to_shost(cdev);
3042 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
3044 if ((!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) ||
3045 ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
3046 MPT3_DIAG_BUFFER_IS_REGISTERED) == 0))
3047 return snprintf(buf, PAGE_SIZE, "off\n");
3048 else if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
3049 MPT3_DIAG_BUFFER_IS_RELEASED))
3050 return snprintf(buf, PAGE_SIZE, "release\n");
3052 return snprintf(buf, PAGE_SIZE, "post\n");
3056 _ctl_host_trace_buffer_enable_store(struct device *cdev,
3057 struct device_attribute *attr, const char *buf, size_t count)
3059 struct Scsi_Host *shost = class_to_shost(cdev);
3060 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
3062 struct mpt3_diag_register diag_register;
3065 /* don't allow post/release occurr while recovery is active */
3066 if (ioc->shost_recovery || ioc->remove_host ||
3067 ioc->pci_error_recovery || ioc->is_driver_loading)
3070 if (sscanf(buf, "%9s", str) != 1)
3073 if (!strcmp(str, "post")) {
3074 /* exit out if host buffers are already posted */
3075 if ((ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) &&
3076 (ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
3077 MPT3_DIAG_BUFFER_IS_REGISTERED) &&
3078 ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
3079 MPT3_DIAG_BUFFER_IS_RELEASED) == 0))
3081 memset(&diag_register, 0, sizeof(struct mpt3_diag_register));
3082 pr_info(MPT3SAS_FMT "posting host trace buffers\n",
3084 diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_TRACE;
3085 diag_register.requested_buffer_size = (1024 * 1024);
3086 diag_register.unique_id = 0x7075900;
3087 ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] = 0;
3088 _ctl_diag_register_2(ioc, &diag_register);
3089 } else if (!strcmp(str, "release")) {
3090 /* exit out if host buffers are already released */
3091 if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE])
3093 if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
3094 MPT3_DIAG_BUFFER_IS_REGISTERED) == 0)
3096 if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
3097 MPT3_DIAG_BUFFER_IS_RELEASED))
3099 pr_info(MPT3SAS_FMT "releasing host trace buffer\n",
3101 mpt3sas_send_diag_release(ioc, MPI2_DIAG_BUF_TYPE_TRACE,
3108 static DEVICE_ATTR(host_trace_buffer_enable, S_IRUGO | S_IWUSR,
3109 _ctl_host_trace_buffer_enable_show,
3110 _ctl_host_trace_buffer_enable_store);
3112 /*********** diagnostic trigger suppport *********************************/
3115 * _ctl_diag_trigger_master_show - show the diag_trigger_master attribute
3116 * @cdev - pointer to embedded class device
3117 * @buf - the buffer returned
3119 * A sysfs 'read/write' shost attribute.
3122 _ctl_diag_trigger_master_show(struct device *cdev,
3123 struct device_attribute *attr, char *buf)
3126 struct Scsi_Host *shost = class_to_shost(cdev);
3127 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
3128 unsigned long flags;
3131 spin_lock_irqsave(&ioc->diag_trigger_lock, flags);
3132 rc = sizeof(struct SL_WH_MASTER_TRIGGER_T);
3133 memcpy(buf, &ioc->diag_trigger_master, rc);
3134 spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
3139 * _ctl_diag_trigger_master_store - store the diag_trigger_master attribute
3140 * @cdev - pointer to embedded class device
3141 * @buf - the buffer returned
3143 * A sysfs 'read/write' shost attribute.
3146 _ctl_diag_trigger_master_store(struct device *cdev,
3147 struct device_attribute *attr, const char *buf, size_t count)
3150 struct Scsi_Host *shost = class_to_shost(cdev);
3151 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
3152 unsigned long flags;
3155 spin_lock_irqsave(&ioc->diag_trigger_lock, flags);
3156 rc = min(sizeof(struct SL_WH_MASTER_TRIGGER_T), count);
3157 memset(&ioc->diag_trigger_master, 0,
3158 sizeof(struct SL_WH_MASTER_TRIGGER_T));
3159 memcpy(&ioc->diag_trigger_master, buf, rc);
3160 ioc->diag_trigger_master.MasterData |=
3161 (MASTER_TRIGGER_FW_FAULT + MASTER_TRIGGER_ADAPTER_RESET);
3162 spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
3165 static DEVICE_ATTR(diag_trigger_master, S_IRUGO | S_IWUSR,
3166 _ctl_diag_trigger_master_show, _ctl_diag_trigger_master_store);
3170 * _ctl_diag_trigger_event_show - show the diag_trigger_event attribute
3171 * @cdev - pointer to embedded class device
3172 * @buf - the buffer returned
3174 * A sysfs 'read/write' shost attribute.
3177 _ctl_diag_trigger_event_show(struct device *cdev,
3178 struct device_attribute *attr, char *buf)
3180 struct Scsi_Host *shost = class_to_shost(cdev);
3181 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
3182 unsigned long flags;
3185 spin_lock_irqsave(&ioc->diag_trigger_lock, flags);
3186 rc = sizeof(struct SL_WH_EVENT_TRIGGERS_T);
3187 memcpy(buf, &ioc->diag_trigger_event, rc);
3188 spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
3193 * _ctl_diag_trigger_event_store - store the diag_trigger_event attribute
3194 * @cdev - pointer to embedded class device
3195 * @buf - the buffer returned
3197 * A sysfs 'read/write' shost attribute.
3200 _ctl_diag_trigger_event_store(struct device *cdev,
3201 struct device_attribute *attr, const char *buf, size_t count)
3204 struct Scsi_Host *shost = class_to_shost(cdev);
3205 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
3206 unsigned long flags;
3209 spin_lock_irqsave(&ioc->diag_trigger_lock, flags);
3210 sz = min(sizeof(struct SL_WH_EVENT_TRIGGERS_T), count);
3211 memset(&ioc->diag_trigger_event, 0,
3212 sizeof(struct SL_WH_EVENT_TRIGGERS_T));
3213 memcpy(&ioc->diag_trigger_event, buf, sz);
3214 if (ioc->diag_trigger_event.ValidEntries > NUM_VALID_ENTRIES)
3215 ioc->diag_trigger_event.ValidEntries = NUM_VALID_ENTRIES;
3216 spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
3219 static DEVICE_ATTR(diag_trigger_event, S_IRUGO | S_IWUSR,
3220 _ctl_diag_trigger_event_show, _ctl_diag_trigger_event_store);
3224 * _ctl_diag_trigger_scsi_show - show the diag_trigger_scsi attribute
3225 * @cdev - pointer to embedded class device
3226 * @buf - the buffer returned
3228 * A sysfs 'read/write' shost attribute.
3231 _ctl_diag_trigger_scsi_show(struct device *cdev,
3232 struct device_attribute *attr, char *buf)
3234 struct Scsi_Host *shost = class_to_shost(cdev);
3235 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
3236 unsigned long flags;
3239 spin_lock_irqsave(&ioc->diag_trigger_lock, flags);
3240 rc = sizeof(struct SL_WH_SCSI_TRIGGERS_T);
3241 memcpy(buf, &ioc->diag_trigger_scsi, rc);
3242 spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
3247 * _ctl_diag_trigger_scsi_store - store the diag_trigger_scsi attribute
3248 * @cdev - pointer to embedded class device
3249 * @buf - the buffer returned
3251 * A sysfs 'read/write' shost attribute.
3254 _ctl_diag_trigger_scsi_store(struct device *cdev,
3255 struct device_attribute *attr, const char *buf, size_t count)
3257 struct Scsi_Host *shost = class_to_shost(cdev);
3258 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
3259 unsigned long flags;
3262 spin_lock_irqsave(&ioc->diag_trigger_lock, flags);
3263 sz = min(sizeof(struct SL_WH_SCSI_TRIGGERS_T), count);
3264 memset(&ioc->diag_trigger_scsi, 0,
3265 sizeof(struct SL_WH_EVENT_TRIGGERS_T));
3266 memcpy(&ioc->diag_trigger_scsi, buf, sz);
3267 if (ioc->diag_trigger_scsi.ValidEntries > NUM_VALID_ENTRIES)
3268 ioc->diag_trigger_scsi.ValidEntries = NUM_VALID_ENTRIES;
3269 spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
3272 static DEVICE_ATTR(diag_trigger_scsi, S_IRUGO | S_IWUSR,
3273 _ctl_diag_trigger_scsi_show, _ctl_diag_trigger_scsi_store);
3277 * _ctl_diag_trigger_scsi_show - show the diag_trigger_mpi attribute
3278 * @cdev - pointer to embedded class device
3279 * @buf - the buffer returned
3281 * A sysfs 'read/write' shost attribute.
3284 _ctl_diag_trigger_mpi_show(struct device *cdev,
3285 struct device_attribute *attr, char *buf)
3287 struct Scsi_Host *shost = class_to_shost(cdev);
3288 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
3289 unsigned long flags;
3292 spin_lock_irqsave(&ioc->diag_trigger_lock, flags);
3293 rc = sizeof(struct SL_WH_MPI_TRIGGERS_T);
3294 memcpy(buf, &ioc->diag_trigger_mpi, rc);
3295 spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
3300 * _ctl_diag_trigger_mpi_store - store the diag_trigger_mpi attribute
3301 * @cdev - pointer to embedded class device
3302 * @buf - the buffer returned
3304 * A sysfs 'read/write' shost attribute.
3307 _ctl_diag_trigger_mpi_store(struct device *cdev,
3308 struct device_attribute *attr, const char *buf, size_t count)
3310 struct Scsi_Host *shost = class_to_shost(cdev);
3311 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
3312 unsigned long flags;
3315 spin_lock_irqsave(&ioc->diag_trigger_lock, flags);
3316 sz = min(sizeof(struct SL_WH_MPI_TRIGGERS_T), count);
3317 memset(&ioc->diag_trigger_mpi, 0,
3318 sizeof(ioc->diag_trigger_mpi));
3319 memcpy(&ioc->diag_trigger_mpi, buf, sz);
3320 if (ioc->diag_trigger_mpi.ValidEntries > NUM_VALID_ENTRIES)
3321 ioc->diag_trigger_mpi.ValidEntries = NUM_VALID_ENTRIES;
3322 spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
3326 static DEVICE_ATTR(diag_trigger_mpi, S_IRUGO | S_IWUSR,
3327 _ctl_diag_trigger_mpi_show, _ctl_diag_trigger_mpi_store);
3329 /*********** diagnostic trigger suppport *** END ****************************/
3331 /*****************************************/
3333 struct device_attribute *mpt3sas_host_attrs[] = {
3334 &dev_attr_version_fw,
3335 &dev_attr_version_bios,
3336 &dev_attr_version_mpi,
3337 &dev_attr_version_product,
3338 &dev_attr_version_nvdata_persistent,
3339 &dev_attr_version_nvdata_default,
3340 &dev_attr_board_name,
3341 &dev_attr_board_assembly,
3342 &dev_attr_board_tracer,
3344 &dev_attr_device_delay,
3345 &dev_attr_logging_level,
3346 &dev_attr_fwfault_debug,
3347 &dev_attr_fw_queue_depth,
3348 &dev_attr_host_sas_address,
3349 &dev_attr_ioc_reset_count,
3350 &dev_attr_host_trace_buffer_size,
3351 &dev_attr_host_trace_buffer,
3352 &dev_attr_host_trace_buffer_enable,
3353 &dev_attr_reply_queue_count,
3354 &dev_attr_diag_trigger_master,
3355 &dev_attr_diag_trigger_event,
3356 &dev_attr_diag_trigger_scsi,
3357 &dev_attr_diag_trigger_mpi,
3358 &dev_attr_BRM_status,
3362 /* device attributes */
3365 * _ctl_device_sas_address_show - sas address
3366 * @cdev - pointer to embedded class device
3367 * @buf - the buffer returned
3369 * This is the sas address for the target
3371 * A sysfs 'read-only' shost attribute.
3374 _ctl_device_sas_address_show(struct device *dev, struct device_attribute *attr,
3377 struct scsi_device *sdev = to_scsi_device(dev);
3378 struct MPT3SAS_DEVICE *sas_device_priv_data = sdev->hostdata;
3380 return snprintf(buf, PAGE_SIZE, "0x%016llx\n",
3381 (unsigned long long)sas_device_priv_data->sas_target->sas_address);
3383 static DEVICE_ATTR(sas_address, S_IRUGO, _ctl_device_sas_address_show, NULL);
3386 * _ctl_device_handle_show - device handle
3387 * @cdev - pointer to embedded class device
3388 * @buf - the buffer returned
3390 * This is the firmware assigned device handle
3392 * A sysfs 'read-only' shost attribute.
3395 _ctl_device_handle_show(struct device *dev, struct device_attribute *attr,
3398 struct scsi_device *sdev = to_scsi_device(dev);
3399 struct MPT3SAS_DEVICE *sas_device_priv_data = sdev->hostdata;
3401 return snprintf(buf, PAGE_SIZE, "0x%04x\n",
3402 sas_device_priv_data->sas_target->handle);
3404 static DEVICE_ATTR(sas_device_handle, S_IRUGO, _ctl_device_handle_show, NULL);
3407 * _ctl_device_ncq_io_prio_show - send prioritized io commands to device
3408 * @dev - pointer to embedded device
3409 * @buf - the buffer returned
3411 * A sysfs 'read/write' sdev attribute, only works with SATA
3414 _ctl_device_ncq_prio_enable_show(struct device *dev,
3415 struct device_attribute *attr, char *buf)
3417 struct scsi_device *sdev = to_scsi_device(dev);
3418 struct MPT3SAS_DEVICE *sas_device_priv_data = sdev->hostdata;
3420 return snprintf(buf, PAGE_SIZE, "%d\n",
3421 sas_device_priv_data->ncq_prio_enable);
3425 _ctl_device_ncq_prio_enable_store(struct device *dev,
3426 struct device_attribute *attr,
3427 const char *buf, size_t count)
3429 struct scsi_device *sdev = to_scsi_device(dev);
3430 struct MPT3SAS_DEVICE *sas_device_priv_data = sdev->hostdata;
3431 bool ncq_prio_enable = 0;
3433 if (kstrtobool(buf, &ncq_prio_enable))
3436 if (!scsih_ncq_prio_supp(sdev))
3439 sas_device_priv_data->ncq_prio_enable = ncq_prio_enable;
3442 static DEVICE_ATTR(sas_ncq_prio_enable, S_IRUGO | S_IWUSR,
3443 _ctl_device_ncq_prio_enable_show,
3444 _ctl_device_ncq_prio_enable_store);
3446 struct device_attribute *mpt3sas_dev_attrs[] = {
3447 &dev_attr_sas_address,
3448 &dev_attr_sas_device_handle,
3449 &dev_attr_sas_ncq_prio_enable,
3453 /* file operations table for mpt3ctl device */
3454 static const struct file_operations ctl_fops = {
3455 .owner = THIS_MODULE,
3456 .unlocked_ioctl = _ctl_ioctl,
3458 .fasync = _ctl_fasync,
3459 #ifdef CONFIG_COMPAT
3460 .compat_ioctl = _ctl_ioctl_compat,
3464 /* file operations table for mpt2ctl device */
3465 static const struct file_operations ctl_gen2_fops = {
3466 .owner = THIS_MODULE,
3467 .unlocked_ioctl = _ctl_mpt2_ioctl,
3469 .fasync = _ctl_fasync,
3470 #ifdef CONFIG_COMPAT
3471 .compat_ioctl = _ctl_mpt2_ioctl_compat,
3475 static struct miscdevice ctl_dev = {
3476 .minor = MPT3SAS_MINOR,
3477 .name = MPT3SAS_DEV_NAME,
3481 static struct miscdevice gen2_ctl_dev = {
3482 .minor = MPT2SAS_MINOR,
3483 .name = MPT2SAS_DEV_NAME,
3484 .fops = &ctl_gen2_fops,
3488 * mpt3sas_ctl_init - main entry point for ctl.
3492 mpt3sas_ctl_init(ushort hbas_to_enumerate)
3496 /* Don't register mpt3ctl ioctl device if
3497 * hbas_to_enumarate is one.
3499 if (hbas_to_enumerate != 1)
3500 if (misc_register(&ctl_dev) < 0)
3501 pr_err("%s can't register misc device [minor=%d]\n",
3502 MPT3SAS_DRIVER_NAME, MPT3SAS_MINOR);
3504 /* Don't register mpt3ctl ioctl device if
3505 * hbas_to_enumarate is two.
3507 if (hbas_to_enumerate != 2)
3508 if (misc_register(&gen2_ctl_dev) < 0)
3509 pr_err("%s can't register misc device [minor=%d]\n",
3510 MPT2SAS_DRIVER_NAME, MPT2SAS_MINOR);
3512 init_waitqueue_head(&ctl_poll_wait);
3516 * mpt3sas_ctl_exit - exit point for ctl
3520 mpt3sas_ctl_exit(ushort hbas_to_enumerate)
3522 struct MPT3SAS_ADAPTER *ioc;
3525 list_for_each_entry(ioc, &mpt3sas_ioc_list, list) {
3527 /* free memory associated to diag buffers */
3528 for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) {
3529 if (!ioc->diag_buffer[i])
3531 if (!(ioc->diag_buffer_status[i] &
3532 MPT3_DIAG_BUFFER_IS_REGISTERED))
3534 if ((ioc->diag_buffer_status[i] &
3535 MPT3_DIAG_BUFFER_IS_RELEASED))
3537 pci_free_consistent(ioc->pdev, ioc->diag_buffer_sz[i],
3538 ioc->diag_buffer[i], ioc->diag_buffer_dma[i]);
3539 ioc->diag_buffer[i] = NULL;
3540 ioc->diag_buffer_status[i] = 0;
3543 kfree(ioc->event_log);
3545 if (hbas_to_enumerate != 1)
3546 misc_deregister(&ctl_dev);
3547 if (hbas_to_enumerate != 2)
3548 misc_deregister(&gen2_ctl_dev);