2 * Management Module Support for MPT (Message Passing Technology) based
5 * This code is based on drivers/scsi/mpt2sas/mpt2_ctl.c
6 * Copyright (C) 2007-2009 LSI Corporation
7 * (mailto:DL-MPTFusionLinux@lsi.com)
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2
12 * of the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
20 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
21 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
22 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
23 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
24 * solely responsible for determining the appropriateness of using and
25 * distributing the Program and assumes all risks associated with its
26 * exercise of rights under this Agreement, including but not limited to
27 * the risks and costs of program errors, damage to or loss of data,
28 * programs or equipment, and unavailability or interruption of operations.
30 * DISCLAIMER OF LIABILITY
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45 #include <linux/version.h>
46 #include <linux/kernel.h>
47 #include <linux/module.h>
48 #include <linux/errno.h>
49 #include <linux/init.h>
50 #include <linux/slab.h>
51 #include <linux/types.h>
52 #include <linux/pci.h>
53 #include <linux/delay.h>
54 #include <linux/smp_lock.h>
55 #include <linux/compat.h>
56 #include <linux/poll.h>
59 #include <linux/uaccess.h>
61 #include "mpt2sas_base.h"
62 #include "mpt2sas_ctl.h"
64 static struct fasync_struct *async_queue;
65 static DECLARE_WAIT_QUEUE_HEAD(ctl_poll_wait);
67 static int _ctl_send_release(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type,
71 * enum block_state - blocking state
72 * @NON_BLOCKING: non blocking
75 * These states are for ioctls that need to wait for a response
76 * from firmware, so they probably require sleep.
83 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
85 * _ctl_display_some_debug - debug routine
86 * @ioc: per adapter object
87 * @smid: system request message index
88 * @calling_function_name: string pass from calling function
89 * @mpi_reply: reply message frame
92 * Function for displaying debug info helpfull when debugging issues
96 _ctl_display_some_debug(struct MPT2SAS_ADAPTER *ioc, u16 smid,
97 char *calling_function_name, MPI2DefaultReply_t *mpi_reply)
99 Mpi2ConfigRequest_t *mpi_request;
102 if (!(ioc->logging_level & MPT_DEBUG_IOCTL))
105 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
106 switch (mpi_request->Function) {
107 case MPI2_FUNCTION_SCSI_IO_REQUEST:
109 Mpi2SCSIIORequest_t *scsi_request =
110 (Mpi2SCSIIORequest_t *)mpi_request;
112 snprintf(ioc->tmp_string, MPT_STRING_LENGTH,
113 "scsi_io, cmd(0x%02x), cdb_len(%d)",
114 scsi_request->CDB.CDB32[0],
115 le16_to_cpu(scsi_request->IoFlags) & 0xF);
116 desc = ioc->tmp_string;
119 case MPI2_FUNCTION_SCSI_TASK_MGMT:
122 case MPI2_FUNCTION_IOC_INIT:
125 case MPI2_FUNCTION_IOC_FACTS:
128 case MPI2_FUNCTION_CONFIG:
130 Mpi2ConfigRequest_t *config_request =
131 (Mpi2ConfigRequest_t *)mpi_request;
133 snprintf(ioc->tmp_string, MPT_STRING_LENGTH,
134 "config, type(0x%02x), ext_type(0x%02x), number(%d)",
135 (config_request->Header.PageType &
136 MPI2_CONFIG_PAGETYPE_MASK), config_request->ExtPageType,
137 config_request->Header.PageNumber);
138 desc = ioc->tmp_string;
141 case MPI2_FUNCTION_PORT_FACTS:
144 case MPI2_FUNCTION_PORT_ENABLE:
145 desc = "port_enable";
147 case MPI2_FUNCTION_EVENT_NOTIFICATION:
148 desc = "event_notification";
150 case MPI2_FUNCTION_FW_DOWNLOAD:
151 desc = "fw_download";
153 case MPI2_FUNCTION_FW_UPLOAD:
156 case MPI2_FUNCTION_RAID_ACTION:
157 desc = "raid_action";
159 case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH:
161 Mpi2SCSIIORequest_t *scsi_request =
162 (Mpi2SCSIIORequest_t *)mpi_request;
164 snprintf(ioc->tmp_string, MPT_STRING_LENGTH,
165 "raid_pass, cmd(0x%02x), cdb_len(%d)",
166 scsi_request->CDB.CDB32[0],
167 le16_to_cpu(scsi_request->IoFlags) & 0xF);
168 desc = ioc->tmp_string;
171 case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL:
172 desc = "sas_iounit_cntl";
174 case MPI2_FUNCTION_SATA_PASSTHROUGH:
177 case MPI2_FUNCTION_DIAG_BUFFER_POST:
178 desc = "diag_buffer_post";
180 case MPI2_FUNCTION_DIAG_RELEASE:
181 desc = "diag_release";
183 case MPI2_FUNCTION_SMP_PASSTHROUGH:
184 desc = "smp_passthrough";
191 printk(MPT2SAS_DEBUG_FMT "%s: %s, smid(%d)\n",
192 ioc->name, calling_function_name, desc, smid);
197 if (mpi_reply->IOCStatus || mpi_reply->IOCLogInfo)
198 printk(MPT2SAS_DEBUG_FMT
199 "\tiocstatus(0x%04x), loginfo(0x%08x)\n",
200 ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
201 le32_to_cpu(mpi_reply->IOCLogInfo));
203 if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
204 mpi_request->Function ==
205 MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) {
206 Mpi2SCSIIOReply_t *scsi_reply =
207 (Mpi2SCSIIOReply_t *)mpi_reply;
208 if (scsi_reply->SCSIState || scsi_reply->SCSIStatus)
209 printk(MPT2SAS_DEBUG_FMT
210 "\tscsi_state(0x%02x), scsi_status"
211 "(0x%02x)\n", ioc->name,
212 scsi_reply->SCSIState,
213 scsi_reply->SCSIStatus);
219 * mpt2sas_ctl_done - ctl module completion routine
220 * @ioc: per adapter object
221 * @smid: system request message index
222 * @msix_index: MSIX table index supplied by the OS
223 * @reply: reply message frame(lower 32bit addr)
226 * The callback handler when using ioc->ctl_cb_idx.
228 * Return 1 meaning mf should be freed from _base_interrupt
229 * 0 means the mf is freed from this function.
232 mpt2sas_ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
235 MPI2DefaultReply_t *mpi_reply;
237 if (ioc->ctl_cmds.status == MPT2_CMD_NOT_USED)
239 if (ioc->ctl_cmds.smid != smid)
241 ioc->ctl_cmds.status |= MPT2_CMD_COMPLETE;
242 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
244 memcpy(ioc->ctl_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
245 ioc->ctl_cmds.status |= MPT2_CMD_REPLY_VALID;
247 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
248 _ctl_display_some_debug(ioc, smid, "ctl_done", mpi_reply);
250 ioc->ctl_cmds.status &= ~MPT2_CMD_PENDING;
251 complete(&ioc->ctl_cmds.done);
256 * _ctl_check_event_type - determines when an event needs logging
257 * @ioc: per adapter object
258 * @event: firmware event
260 * The bitmask in ioc->event_type[] indicates which events should be
261 * be saved in the driver event_log. This bitmask is set by application.
263 * Returns 1 when event should be captured, or zero means no match.
266 _ctl_check_event_type(struct MPT2SAS_ADAPTER *ioc, u16 event)
271 if (event >= 128 || !event || !ioc->event_log)
274 desired_event = (1 << (event % 32));
278 return desired_event & ioc->event_type[i];
282 * mpt2sas_ctl_add_to_event_log - add event
283 * @ioc: per adapter object
284 * @mpi_reply: reply message frame
289 mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc,
290 Mpi2EventNotificationReply_t *mpi_reply)
292 struct MPT2_IOCTL_EVENTS *event_log;
295 u32 sz, event_data_sz;
301 event = le16_to_cpu(mpi_reply->Event);
303 if (_ctl_check_event_type(ioc, event)) {
305 /* insert entry into circular event_log */
306 i = ioc->event_context % MPT2SAS_CTL_EVENT_LOG_SIZE;
307 event_log = ioc->event_log;
308 event_log[i].event = event;
309 event_log[i].context = ioc->event_context++;
311 event_data_sz = le16_to_cpu(mpi_reply->EventDataLength)*4;
312 sz = min_t(u32, event_data_sz, MPT2_EVENT_DATA_SIZE);
313 memset(event_log[i].data, 0, MPT2_EVENT_DATA_SIZE);
314 memcpy(event_log[i].data, mpi_reply->EventData, sz);
318 /* This aen_event_read_flag flag is set until the
319 * application has read the event log.
320 * For MPI2_EVENT_LOG_ENTRY_ADDED, we always notify.
322 if (event == MPI2_EVENT_LOG_ENTRY_ADDED ||
323 (send_aen && !ioc->aen_event_read_flag)) {
324 ioc->aen_event_read_flag = 1;
325 wake_up_interruptible(&ctl_poll_wait);
327 kill_fasync(&async_queue, SIGIO, POLL_IN);
332 * mpt2sas_ctl_event_callback - firmware event handler (called at ISR time)
333 * @ioc: per adapter object
334 * @msix_index: MSIX table index supplied by the OS
335 * @reply: reply message frame(lower 32bit addr)
336 * Context: interrupt.
338 * This function merely adds a new work task into ioc->firmware_event_thread.
339 * The tasks are worked from _firmware_event_work in user context.
341 * Return 1 meaning mf should be freed from _base_interrupt
342 * 0 means the mf is freed from this function.
345 mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
348 Mpi2EventNotificationReply_t *mpi_reply;
350 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
351 mpt2sas_ctl_add_to_event_log(ioc, mpi_reply);
356 * _ctl_verify_adapter - validates ioc_number passed from application
357 * @ioc: per adapter object
358 * @iocpp: The ioc pointer is returned in this.
360 * Return (-1) means error, else ioc_number.
363 _ctl_verify_adapter(int ioc_number, struct MPT2SAS_ADAPTER **iocpp)
365 struct MPT2SAS_ADAPTER *ioc;
367 list_for_each_entry(ioc, &mpt2sas_ioc_list, list) {
368 if (ioc->id != ioc_number)
378 * mpt2sas_ctl_reset_handler - reset callback handler (for ctl)
379 * @ioc: per adapter object
380 * @reset_phase: phase
382 * The handler for doing any required cleanup or initialization.
384 * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET,
385 * MPT2_IOC_DONE_RESET
388 mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
393 switch (reset_phase) {
394 case MPT2_IOC_PRE_RESET:
395 dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
396 "MPT2_IOC_PRE_RESET\n", ioc->name, __func__));
397 for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) {
398 if (!(ioc->diag_buffer_status[i] &
399 MPT2_DIAG_BUFFER_IS_REGISTERED))
401 if ((ioc->diag_buffer_status[i] &
402 MPT2_DIAG_BUFFER_IS_RELEASED))
404 _ctl_send_release(ioc, i, &issue_reset);
407 case MPT2_IOC_AFTER_RESET:
408 dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
409 "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__));
410 if (ioc->ctl_cmds.status & MPT2_CMD_PENDING) {
411 ioc->ctl_cmds.status |= MPT2_CMD_RESET;
412 mpt2sas_base_free_smid(ioc, ioc->ctl_cmds.smid);
413 complete(&ioc->ctl_cmds.done);
416 case MPT2_IOC_DONE_RESET:
417 dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
418 "MPT2_IOC_DONE_RESET\n", ioc->name, __func__));
420 for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) {
421 if (!(ioc->diag_buffer_status[i] &
422 MPT2_DIAG_BUFFER_IS_REGISTERED))
424 if ((ioc->diag_buffer_status[i] &
425 MPT2_DIAG_BUFFER_IS_RELEASED))
427 ioc->diag_buffer_status[i] |=
428 MPT2_DIAG_BUFFER_IS_DIAG_RESET;
440 * Called when application request fasyn callback handler.
443 _ctl_fasync(int fd, struct file *filep, int mode)
445 return fasync_helper(fd, filep, mode, &async_queue);
453 * Called when application releases the fasyn callback handler.
456 _ctl_release(struct inode *inode, struct file *filep)
458 return fasync_helper(-1, filep, 0, &async_queue);
468 _ctl_poll(struct file *filep, poll_table *wait)
470 struct MPT2SAS_ADAPTER *ioc;
472 poll_wait(filep, &ctl_poll_wait, wait);
474 list_for_each_entry(ioc, &mpt2sas_ioc_list, list) {
475 if (ioc->aen_event_read_flag)
476 return POLLIN | POLLRDNORM;
482 * _ctl_set_task_mid - assign an active smid to tm request
483 * @ioc: per adapter object
484 * @karg - (struct mpt2_ioctl_command)
485 * @tm_request - pointer to mf from user space
487 * Returns 0 when an smid if found, else fail.
488 * during failure, the reply frame is filled.
491 _ctl_set_task_mid(struct MPT2SAS_ADAPTER *ioc, struct mpt2_ioctl_command *karg,
492 Mpi2SCSITaskManagementRequest_t *tm_request)
497 struct scsi_cmnd *scmd;
498 struct MPT2SAS_DEVICE *priv_data;
500 Mpi2SCSITaskManagementReply_t *tm_reply;
505 if (tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK)
507 else if (tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK)
512 lun = scsilun_to_int((struct scsi_lun *)tm_request->LUN);
514 handle = le16_to_cpu(tm_request->DevHandle);
515 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
516 for (i = ioc->scsiio_depth; i && !found; i--) {
517 scmd = ioc->scsi_lookup[i - 1].scmd;
518 if (scmd == NULL || scmd->device == NULL ||
519 scmd->device->hostdata == NULL)
521 if (lun != scmd->device->lun)
523 priv_data = scmd->device->hostdata;
524 if (priv_data->sas_target == NULL)
526 if (priv_data->sas_target->handle != handle)
528 tm_request->TaskMID = cpu_to_le16(ioc->scsi_lookup[i - 1].smid);
531 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
534 dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
535 "handle(0x%04x), lun(%d), no active mid!!\n", ioc->name,
536 desc, tm_request->DevHandle, lun));
537 tm_reply = ioc->ctl_cmds.reply;
538 tm_reply->DevHandle = tm_request->DevHandle;
539 tm_reply->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
540 tm_reply->TaskType = tm_request->TaskType;
541 tm_reply->MsgLength = sizeof(Mpi2SCSITaskManagementReply_t)/4;
542 tm_reply->VP_ID = tm_request->VP_ID;
543 tm_reply->VF_ID = tm_request->VF_ID;
544 sz = min_t(u32, karg->max_reply_bytes, ioc->reply_sz);
545 if (copy_to_user(karg->reply_frame_buf_ptr, ioc->ctl_cmds.reply,
547 printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
552 dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
553 "handle(0x%04x), lun(%d), task_mid(%d)\n", ioc->name,
554 desc, tm_request->DevHandle, lun, tm_request->TaskMID));
559 * _ctl_do_mpt_command - main handler for MPT2COMMAND opcode
560 * @ioc: per adapter object
561 * @karg - (struct mpt2_ioctl_command)
562 * @mf - pointer to mf in user space
563 * @state - NON_BLOCKING or BLOCKING
566 _ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc,
567 struct mpt2_ioctl_command karg, void __user *mf, enum block_state state)
569 MPI2RequestHeader_t *mpi_request;
570 MPI2DefaultReply_t *mpi_reply;
574 unsigned long timeout, timeleft;
578 void *priv_sense = NULL;
579 void *data_out = NULL;
580 dma_addr_t data_out_dma;
581 size_t data_out_sz = 0;
582 void *data_in = NULL;
583 dma_addr_t data_in_dma;
584 size_t data_in_sz = 0;
587 u16 wait_state_count;
591 if (state == NON_BLOCKING && !mutex_trylock(&ioc->ctl_cmds.mutex))
593 else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex))
596 if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) {
597 printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n",
598 ioc->name, __func__);
603 wait_state_count = 0;
604 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
605 while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
606 if (wait_state_count++ == 10) {
607 printk(MPT2SAS_ERR_FMT
608 "%s: failed due to ioc not operational\n",
609 ioc->name, __func__);
614 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
615 printk(MPT2SAS_INFO_FMT "%s: waiting for "
616 "operational state(count=%d)\n", ioc->name,
617 __func__, wait_state_count);
619 if (wait_state_count)
620 printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n",
621 ioc->name, __func__);
623 smid = mpt2sas_base_get_smid_scsiio(ioc, ioc->ctl_cb_idx, NULL);
625 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
626 ioc->name, __func__);
632 ioc->ctl_cmds.status = MPT2_CMD_PENDING;
633 memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
634 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
635 ioc->ctl_cmds.smid = smid;
636 data_out_sz = karg.data_out_size;
637 data_in_sz = karg.data_in_size;
639 /* copy in request message frame from user */
640 if (copy_from_user(mpi_request, mf, karg.data_sge_offset*4)) {
641 printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, __LINE__,
644 mpt2sas_base_free_smid(ioc, smid);
648 if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
649 mpi_request->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) {
650 if (!mpi_request->FunctionDependent1 ||
651 mpi_request->FunctionDependent1 >
652 cpu_to_le16(ioc->facts.MaxDevHandle)) {
654 mpt2sas_base_free_smid(ioc, smid);
659 /* obtain dma-able memory for data transfer */
660 if (data_out_sz) /* WRITE */ {
661 data_out = pci_alloc_consistent(ioc->pdev, data_out_sz,
664 printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
667 mpt2sas_base_free_smid(ioc, smid);
670 if (copy_from_user(data_out, karg.data_out_buf_ptr,
672 printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
675 mpt2sas_base_free_smid(ioc, smid);
680 if (data_in_sz) /* READ */ {
681 data_in = pci_alloc_consistent(ioc->pdev, data_in_sz,
684 printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
687 mpt2sas_base_free_smid(ioc, smid);
692 /* add scatter gather elements */
693 psge = (void *)mpi_request + (karg.data_sge_offset*4);
695 if (!data_out_sz && !data_in_sz) {
696 mpt2sas_base_build_zero_len_sge(ioc, psge);
697 } else if (data_out_sz && data_in_sz) {
698 /* WRITE sgel first */
699 sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
700 MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC);
701 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
702 ioc->base_add_sg_single(psge, sgl_flags |
703 data_out_sz, data_out_dma);
706 psge += ioc->sge_size;
709 sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
710 MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
711 MPI2_SGE_FLAGS_END_OF_LIST);
712 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
713 ioc->base_add_sg_single(psge, sgl_flags |
714 data_in_sz, data_in_dma);
715 } else if (data_out_sz) /* WRITE */ {
716 sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
717 MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
718 MPI2_SGE_FLAGS_END_OF_LIST | MPI2_SGE_FLAGS_HOST_TO_IOC);
719 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
720 ioc->base_add_sg_single(psge, sgl_flags |
721 data_out_sz, data_out_dma);
722 } else if (data_in_sz) /* READ */ {
723 sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
724 MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
725 MPI2_SGE_FLAGS_END_OF_LIST);
726 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
727 ioc->base_add_sg_single(psge, sgl_flags |
728 data_in_sz, data_in_dma);
731 /* send command to firmware */
732 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
733 _ctl_display_some_debug(ioc, smid, "ctl_request", NULL);
736 switch (mpi_request->Function) {
737 case MPI2_FUNCTION_SCSI_IO_REQUEST:
738 case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH:
740 Mpi2SCSIIORequest_t *scsiio_request =
741 (Mpi2SCSIIORequest_t *)mpi_request;
742 scsiio_request->SenseBufferLowAddress =
743 mpt2sas_base_get_sense_buffer_dma(ioc, smid);
744 priv_sense = mpt2sas_base_get_sense_buffer(ioc, smid);
745 memset(priv_sense, 0, SCSI_SENSE_BUFFERSIZE);
746 mpt2sas_base_put_smid_scsi_io(ioc, smid,
747 le16_to_cpu(mpi_request->FunctionDependent1));
750 case MPI2_FUNCTION_SCSI_TASK_MGMT:
752 Mpi2SCSITaskManagementRequest_t *tm_request =
753 (Mpi2SCSITaskManagementRequest_t *)mpi_request;
755 if (tm_request->TaskType ==
756 MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK ||
757 tm_request->TaskType ==
758 MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK) {
759 if (_ctl_set_task_mid(ioc, &karg, tm_request)) {
760 mpt2sas_base_free_smid(ioc, smid);
765 mutex_lock(&ioc->tm_cmds.mutex);
766 mpt2sas_scsih_set_tm_flag(ioc, le16_to_cpu(
767 tm_request->DevHandle));
768 mpt2sas_base_put_smid_hi_priority(ioc, smid);
771 case MPI2_FUNCTION_SMP_PASSTHROUGH:
773 Mpi2SmpPassthroughRequest_t *smp_request =
774 (Mpi2SmpPassthroughRequest_t *)mpi_request;
777 /* ioc determines which port to use */
778 smp_request->PhysicalPort = 0xFF;
779 if (smp_request->PassthroughFlags &
780 MPI2_SMP_PT_REQ_PT_FLAGS_IMMEDIATE)
781 data = (u8 *)&smp_request->SGL;
785 if (data[1] == 0x91 && (data[10] == 1 || data[10] == 2)) {
786 ioc->ioc_link_reset_in_progress = 1;
787 ioc->ignore_loginfos = 1;
789 mpt2sas_base_put_smid_default(ioc, smid);
792 case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL:
794 Mpi2SasIoUnitControlRequest_t *sasiounit_request =
795 (Mpi2SasIoUnitControlRequest_t *)mpi_request;
797 if (sasiounit_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET
798 || sasiounit_request->Operation ==
799 MPI2_SAS_OP_PHY_LINK_RESET) {
800 ioc->ioc_link_reset_in_progress = 1;
801 ioc->ignore_loginfos = 1;
803 mpt2sas_base_put_smid_default(ioc, smid);
807 mpt2sas_base_put_smid_default(ioc, smid);
811 if (karg.timeout < MPT2_IOCTL_DEFAULT_TIMEOUT)
812 timeout = MPT2_IOCTL_DEFAULT_TIMEOUT;
814 timeout = karg.timeout;
815 init_completion(&ioc->ctl_cmds.done);
816 timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done,
818 if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) {
819 Mpi2SCSITaskManagementRequest_t *tm_request =
820 (Mpi2SCSITaskManagementRequest_t *)mpi_request;
821 mutex_unlock(&ioc->tm_cmds.mutex);
822 mpt2sas_scsih_clear_tm_flag(ioc, le16_to_cpu(
823 tm_request->DevHandle));
824 } else if ((mpi_request->Function == MPI2_FUNCTION_SMP_PASSTHROUGH ||
825 mpi_request->Function == MPI2_FUNCTION_SAS_IO_UNIT_CONTROL) &&
826 ioc->ioc_link_reset_in_progress) {
827 ioc->ioc_link_reset_in_progress = 0;
828 ioc->ignore_loginfos = 0;
830 if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) {
831 printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name,
833 _debug_dump_mf(mpi_request, karg.data_sge_offset);
834 if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET))
836 goto issue_host_reset;
839 mpi_reply = ioc->ctl_cmds.reply;
840 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
842 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
843 if (mpi_reply->Function == MPI2_FUNCTION_SCSI_TASK_MGMT &&
844 (ioc->logging_level & MPT_DEBUG_TM)) {
845 Mpi2SCSITaskManagementReply_t *tm_reply =
846 (Mpi2SCSITaskManagementReply_t *)mpi_reply;
848 printk(MPT2SAS_DEBUG_FMT "TASK_MGMT: "
849 "IOCStatus(0x%04x), IOCLogInfo(0x%08x), "
850 "TerminationCount(0x%08x)\n", ioc->name,
851 le16_to_cpu(tm_reply->IOCStatus),
852 le32_to_cpu(tm_reply->IOCLogInfo),
853 le32_to_cpu(tm_reply->TerminationCount));
856 /* copy out xdata to user */
858 if (copy_to_user(karg.data_in_buf_ptr, data_in,
860 printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
867 /* copy out reply message frame to user */
868 if (karg.max_reply_bytes) {
869 sz = min_t(u32, karg.max_reply_bytes, ioc->reply_sz);
870 if (copy_to_user(karg.reply_frame_buf_ptr, ioc->ctl_cmds.reply,
872 printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
879 /* copy out sense to user */
880 if (karg.max_sense_bytes && (mpi_request->Function ==
881 MPI2_FUNCTION_SCSI_IO_REQUEST || mpi_request->Function ==
882 MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) {
883 sz = min_t(u32, karg.max_sense_bytes, SCSI_SENSE_BUFFERSIZE);
884 if (copy_to_user(karg.sense_data_ptr, priv_sense, sz)) {
885 printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
894 if ((mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
895 mpi_request->Function ==
896 MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) {
897 printk(MPT2SAS_INFO_FMT "issue target reset: handle "
898 "= (0x%04x)\n", ioc->name,
899 mpi_request->FunctionDependent1);
900 mpt2sas_halt_firmware(ioc);
901 mutex_lock(&ioc->tm_cmds.mutex);
902 mpt2sas_scsih_issue_tm(ioc,
903 mpi_request->FunctionDependent1, 0,
904 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 10);
905 ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
906 mutex_unlock(&ioc->tm_cmds.mutex);
908 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
914 /* free memory associated with sg buffers */
916 pci_free_consistent(ioc->pdev, data_in_sz, data_in,
920 pci_free_consistent(ioc->pdev, data_out_sz, data_out,
923 ioc->ctl_cmds.status = MPT2_CMD_NOT_USED;
924 mutex_unlock(&ioc->ctl_cmds.mutex);
929 * _ctl_getiocinfo - main handler for MPT2IOCINFO opcode
930 * @arg - user space buffer containing ioctl content
933 _ctl_getiocinfo(void __user *arg)
935 struct mpt2_ioctl_iocinfo karg;
936 struct MPT2SAS_ADAPTER *ioc;
939 if (copy_from_user(&karg, arg, sizeof(karg))) {
940 printk(KERN_ERR "failure at %s:%d/%s()!\n",
941 __FILE__, __LINE__, __func__);
944 if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc)
947 dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: enter\n", ioc->name,
950 memset(&karg, 0 , sizeof(karg));
951 karg.adapter_type = MPT2_IOCTL_INTERFACE_SAS2;
953 karg.port_number = ioc->pfacts[0].PortNumber;
954 pci_read_config_byte(ioc->pdev, PCI_CLASS_REVISION, &revision);
955 karg.hw_rev = revision;
956 karg.pci_id = ioc->pdev->device;
957 karg.subsystem_device = ioc->pdev->subsystem_device;
958 karg.subsystem_vendor = ioc->pdev->subsystem_vendor;
959 karg.pci_information.u.bits.bus = ioc->pdev->bus->number;
960 karg.pci_information.u.bits.device = PCI_SLOT(ioc->pdev->devfn);
961 karg.pci_information.u.bits.function = PCI_FUNC(ioc->pdev->devfn);
962 karg.pci_information.segment_id = pci_domain_nr(ioc->pdev->bus);
963 karg.firmware_version = ioc->facts.FWVersion.Word;
964 strcpy(karg.driver_version, MPT2SAS_DRIVER_NAME);
965 strcat(karg.driver_version, "-");
966 strcat(karg.driver_version, MPT2SAS_DRIVER_VERSION);
967 karg.bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion);
969 if (copy_to_user(arg, &karg, sizeof(karg))) {
970 printk(KERN_ERR "failure at %s:%d/%s()!\n",
971 __FILE__, __LINE__, __func__);
978 * _ctl_eventquery - main handler for MPT2EVENTQUERY opcode
979 * @arg - user space buffer containing ioctl content
982 _ctl_eventquery(void __user *arg)
984 struct mpt2_ioctl_eventquery karg;
985 struct MPT2SAS_ADAPTER *ioc;
987 if (copy_from_user(&karg, arg, sizeof(karg))) {
988 printk(KERN_ERR "failure at %s:%d/%s()!\n",
989 __FILE__, __LINE__, __func__);
992 if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc)
995 dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: enter\n", ioc->name,
998 karg.event_entries = MPT2SAS_CTL_EVENT_LOG_SIZE;
999 memcpy(karg.event_types, ioc->event_type,
1000 MPI2_EVENT_NOTIFY_EVENTMASK_WORDS * sizeof(u32));
1002 if (copy_to_user(arg, &karg, sizeof(karg))) {
1003 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1004 __FILE__, __LINE__, __func__);
1011 * _ctl_eventenable - main handler for MPT2EVENTENABLE opcode
1012 * @arg - user space buffer containing ioctl content
1015 _ctl_eventenable(void __user *arg)
1017 struct mpt2_ioctl_eventenable karg;
1018 struct MPT2SAS_ADAPTER *ioc;
1020 if (copy_from_user(&karg, arg, sizeof(karg))) {
1021 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1022 __FILE__, __LINE__, __func__);
1025 if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc)
1028 dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: enter\n", ioc->name,
1033 memcpy(ioc->event_type, karg.event_types,
1034 MPI2_EVENT_NOTIFY_EVENTMASK_WORDS * sizeof(u32));
1035 mpt2sas_base_validate_event_type(ioc, ioc->event_type);
1037 /* initialize event_log */
1038 ioc->event_context = 0;
1039 ioc->aen_event_read_flag = 0;
1040 ioc->event_log = kcalloc(MPT2SAS_CTL_EVENT_LOG_SIZE,
1041 sizeof(struct MPT2_IOCTL_EVENTS), GFP_KERNEL);
1042 if (!ioc->event_log) {
1043 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1044 __FILE__, __LINE__, __func__);
1051 * _ctl_eventreport - main handler for MPT2EVENTREPORT opcode
1052 * @arg - user space buffer containing ioctl content
1055 _ctl_eventreport(void __user *arg)
1057 struct mpt2_ioctl_eventreport karg;
1058 struct MPT2SAS_ADAPTER *ioc;
1059 u32 number_bytes, max_events, max;
1060 struct mpt2_ioctl_eventreport __user *uarg = arg;
1062 if (copy_from_user(&karg, arg, sizeof(karg))) {
1063 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1064 __FILE__, __LINE__, __func__);
1067 if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc)
1070 dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: enter\n", ioc->name,
1073 number_bytes = karg.hdr.max_data_size -
1074 sizeof(struct mpt2_ioctl_header);
1075 max_events = number_bytes/sizeof(struct MPT2_IOCTL_EVENTS);
1076 max = min_t(u32, MPT2SAS_CTL_EVENT_LOG_SIZE, max_events);
1078 /* If fewer than 1 event is requested, there must have
1079 * been some type of error.
1081 if (!max || !ioc->event_log)
1084 number_bytes = max * sizeof(struct MPT2_IOCTL_EVENTS);
1085 if (copy_to_user(uarg->event_data, ioc->event_log, number_bytes)) {
1086 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1087 __FILE__, __LINE__, __func__);
1091 /* reset flag so SIGIO can restart */
1092 ioc->aen_event_read_flag = 0;
1097 * _ctl_do_reset - main handler for MPT2HARDRESET opcode
1098 * @arg - user space buffer containing ioctl content
1101 _ctl_do_reset(void __user *arg)
1103 struct mpt2_ioctl_diag_reset karg;
1104 struct MPT2SAS_ADAPTER *ioc;
1107 if (copy_from_user(&karg, arg, sizeof(karg))) {
1108 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1109 __FILE__, __LINE__, __func__);
1112 if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc)
1115 dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: enter\n", ioc->name,
1118 retval = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
1120 printk(MPT2SAS_INFO_FMT "host reset: %s\n",
1121 ioc->name, ((!retval) ? "SUCCESS" : "FAILED"));
1126 * _ctl_btdh_search_sas_device - searching for sas device
1127 * @ioc: per adapter object
1128 * @btdh: btdh ioctl payload
1131 _ctl_btdh_search_sas_device(struct MPT2SAS_ADAPTER *ioc,
1132 struct mpt2_ioctl_btdh_mapping *btdh)
1134 struct _sas_device *sas_device;
1135 unsigned long flags;
1138 if (list_empty(&ioc->sas_device_list))
1141 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1142 list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
1143 if (btdh->bus == 0xFFFFFFFF && btdh->id == 0xFFFFFFFF &&
1144 btdh->handle == sas_device->handle) {
1145 btdh->bus = sas_device->channel;
1146 btdh->id = sas_device->id;
1149 } else if (btdh->bus == sas_device->channel && btdh->id ==
1150 sas_device->id && btdh->handle == 0xFFFF) {
1151 btdh->handle = sas_device->handle;
1157 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1162 * _ctl_btdh_search_raid_device - searching for raid device
1163 * @ioc: per adapter object
1164 * @btdh: btdh ioctl payload
1167 _ctl_btdh_search_raid_device(struct MPT2SAS_ADAPTER *ioc,
1168 struct mpt2_ioctl_btdh_mapping *btdh)
1170 struct _raid_device *raid_device;
1171 unsigned long flags;
1174 if (list_empty(&ioc->raid_device_list))
1177 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1178 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
1179 if (btdh->bus == 0xFFFFFFFF && btdh->id == 0xFFFFFFFF &&
1180 btdh->handle == raid_device->handle) {
1181 btdh->bus = raid_device->channel;
1182 btdh->id = raid_device->id;
1185 } else if (btdh->bus == raid_device->channel && btdh->id ==
1186 raid_device->id && btdh->handle == 0xFFFF) {
1187 btdh->handle = raid_device->handle;
1193 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1198 * _ctl_btdh_mapping - main handler for MPT2BTDHMAPPING opcode
1199 * @arg - user space buffer containing ioctl content
1202 _ctl_btdh_mapping(void __user *arg)
1204 struct mpt2_ioctl_btdh_mapping karg;
1205 struct MPT2SAS_ADAPTER *ioc;
1208 if (copy_from_user(&karg, arg, sizeof(karg))) {
1209 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1210 __FILE__, __LINE__, __func__);
1213 if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc)
1216 dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name,
1219 rc = _ctl_btdh_search_sas_device(ioc, &karg);
1221 _ctl_btdh_search_raid_device(ioc, &karg);
1223 if (copy_to_user(arg, &karg, sizeof(karg))) {
1224 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1225 __FILE__, __LINE__, __func__);
1232 * _ctl_diag_capability - return diag buffer capability
1233 * @ioc: per adapter object
1234 * @buffer_type: specifies either TRACE, SNAPSHOT, or EXTENDED
1236 * returns 1 when diag buffer support is enabled in firmware
1239 _ctl_diag_capability(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type)
1243 switch (buffer_type) {
1244 case MPI2_DIAG_BUF_TYPE_TRACE:
1245 if (ioc->facts.IOCCapabilities &
1246 MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER)
1249 case MPI2_DIAG_BUF_TYPE_SNAPSHOT:
1250 if (ioc->facts.IOCCapabilities &
1251 MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER)
1254 case MPI2_DIAG_BUF_TYPE_EXTENDED:
1255 if (ioc->facts.IOCCapabilities &
1256 MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER)
1264 * _ctl_diag_register_2 - wrapper for registering diag buffer support
1265 * @ioc: per adapter object
1266 * @diag_register: the diag_register struct passed in from user space
1270 _ctl_diag_register_2(struct MPT2SAS_ADAPTER *ioc,
1271 struct mpt2_diag_register *diag_register)
1274 void *request_data = NULL;
1275 dma_addr_t request_data_dma;
1276 u32 request_data_sz = 0;
1277 Mpi2DiagBufferPostRequest_t *mpi_request;
1278 Mpi2DiagBufferPostReply_t *mpi_reply;
1280 unsigned long timeleft;
1285 dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name,
1288 if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) {
1289 printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n",
1290 ioc->name, __func__);
1295 buffer_type = diag_register->buffer_type;
1296 if (!_ctl_diag_capability(ioc, buffer_type)) {
1297 printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for "
1298 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
1302 if (ioc->diag_buffer_status[buffer_type] &
1303 MPT2_DIAG_BUFFER_IS_REGISTERED) {
1304 printk(MPT2SAS_ERR_FMT "%s: already has a registered "
1305 "buffer for buffer_type(0x%02x)\n", ioc->name, __func__,
1310 if (diag_register->requested_buffer_size % 4) {
1311 printk(MPT2SAS_ERR_FMT "%s: the requested_buffer_size "
1312 "is not 4 byte aligned\n", ioc->name, __func__);
1316 smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx);
1318 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
1319 ioc->name, __func__);
1325 ioc->ctl_cmds.status = MPT2_CMD_PENDING;
1326 memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
1327 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
1328 ioc->ctl_cmds.smid = smid;
1330 request_data = ioc->diag_buffer[buffer_type];
1331 request_data_sz = diag_register->requested_buffer_size;
1332 ioc->unique_id[buffer_type] = diag_register->unique_id;
1333 ioc->diag_buffer_status[buffer_type] = 0;
1334 memcpy(ioc->product_specific[buffer_type],
1335 diag_register->product_specific, MPT2_PRODUCT_SPECIFIC_DWORDS);
1336 ioc->diagnostic_flags[buffer_type] = diag_register->diagnostic_flags;
1339 request_data_dma = ioc->diag_buffer_dma[buffer_type];
1340 if (request_data_sz != ioc->diag_buffer_sz[buffer_type]) {
1341 pci_free_consistent(ioc->pdev,
1342 ioc->diag_buffer_sz[buffer_type],
1343 request_data, request_data_dma);
1344 request_data = NULL;
1348 if (request_data == NULL) {
1349 ioc->diag_buffer_sz[buffer_type] = 0;
1350 ioc->diag_buffer_dma[buffer_type] = 0;
1351 request_data = pci_alloc_consistent(
1352 ioc->pdev, request_data_sz, &request_data_dma);
1353 if (request_data == NULL) {
1354 printk(MPT2SAS_ERR_FMT "%s: failed allocating memory"
1355 " for diag buffers, requested size(%d)\n",
1356 ioc->name, __func__, request_data_sz);
1357 mpt2sas_base_free_smid(ioc, smid);
1360 ioc->diag_buffer[buffer_type] = request_data;
1361 ioc->diag_buffer_sz[buffer_type] = request_data_sz;
1362 ioc->diag_buffer_dma[buffer_type] = request_data_dma;
1365 mpi_request->Function = MPI2_FUNCTION_DIAG_BUFFER_POST;
1366 mpi_request->BufferType = diag_register->buffer_type;
1367 mpi_request->Flags = cpu_to_le32(diag_register->diagnostic_flags);
1368 mpi_request->BufferAddress = cpu_to_le64(request_data_dma);
1369 mpi_request->BufferLength = cpu_to_le32(request_data_sz);
1370 mpi_request->VF_ID = 0; /* TODO */
1371 mpi_request->VP_ID = 0;
1373 dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: diag_buffer(0x%p), "
1374 "dma(0x%llx), sz(%d)\n", ioc->name, __func__, request_data,
1375 (unsigned long long)request_data_dma, mpi_request->BufferLength));
1377 for (i = 0; i < MPT2_PRODUCT_SPECIFIC_DWORDS; i++)
1378 mpi_request->ProductSpecific[i] =
1379 cpu_to_le32(ioc->product_specific[buffer_type][i]);
1381 mpt2sas_base_put_smid_default(ioc, smid);
1382 init_completion(&ioc->ctl_cmds.done);
1383 timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done,
1384 MPT2_IOCTL_DEFAULT_TIMEOUT*HZ);
1386 if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) {
1387 printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name,
1389 _debug_dump_mf(mpi_request,
1390 sizeof(Mpi2DiagBufferPostRequest_t)/4);
1391 if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET))
1393 goto issue_host_reset;
1396 /* process the completed Reply Message Frame */
1397 if ((ioc->ctl_cmds.status & MPT2_CMD_REPLY_VALID) == 0) {
1398 printk(MPT2SAS_ERR_FMT "%s: no reply message\n",
1399 ioc->name, __func__);
1404 mpi_reply = ioc->ctl_cmds.reply;
1405 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
1407 if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
1408 ioc->diag_buffer_status[buffer_type] |=
1409 MPT2_DIAG_BUFFER_IS_REGISTERED;
1410 dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: success\n",
1411 ioc->name, __func__));
1413 printk(MPT2SAS_DEBUG_FMT "%s: ioc_status(0x%04x) "
1414 "log_info(0x%08x)\n", ioc->name, __func__,
1415 ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo));
1421 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
1426 if (rc && request_data)
1427 pci_free_consistent(ioc->pdev, request_data_sz,
1428 request_data, request_data_dma);
1430 ioc->ctl_cmds.status = MPT2_CMD_NOT_USED;
1435 * mpt2sas_enable_diag_buffer - enabling diag_buffers support driver load time
1436 * @ioc: per adapter object
1437 * @bits_to_register: bitwise field where trace is bit 0, and snapshot is bit 1
1439 * This is called when command line option diag_buffer_enable is enabled
1440 * at driver load time.
1443 mpt2sas_enable_diag_buffer(struct MPT2SAS_ADAPTER *ioc, u8 bits_to_register)
1445 struct mpt2_diag_register diag_register;
1447 memset(&diag_register, 0, sizeof(struct mpt2_diag_register));
1449 if (bits_to_register & 1) {
1450 printk(MPT2SAS_INFO_FMT "registering trace buffer support\n",
1452 diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_TRACE;
1453 /* register for 1MB buffers */
1454 diag_register.requested_buffer_size = (1024 * 1024);
1455 diag_register.unique_id = 0x7075900;
1456 _ctl_diag_register_2(ioc, &diag_register);
1459 if (bits_to_register & 2) {
1460 printk(MPT2SAS_INFO_FMT "registering snapshot buffer support\n",
1462 diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_SNAPSHOT;
1463 /* register for 2MB buffers */
1464 diag_register.requested_buffer_size = 2 * (1024 * 1024);
1465 diag_register.unique_id = 0x7075901;
1466 _ctl_diag_register_2(ioc, &diag_register);
1469 if (bits_to_register & 4) {
1470 printk(MPT2SAS_INFO_FMT "registering extended buffer support\n",
1472 diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_EXTENDED;
1473 /* register for 2MB buffers */
1474 diag_register.requested_buffer_size = 2 * (1024 * 1024);
1475 diag_register.unique_id = 0x7075901;
1476 _ctl_diag_register_2(ioc, &diag_register);
1481 * _ctl_diag_register - application register with driver
1482 * @arg - user space buffer containing ioctl content
1483 * @state - NON_BLOCKING or BLOCKING
1485 * This will allow the driver to setup any required buffers that will be
1486 * needed by firmware to communicate with the driver.
1489 _ctl_diag_register(void __user *arg, enum block_state state)
1491 struct mpt2_diag_register karg;
1492 struct MPT2SAS_ADAPTER *ioc;
1495 if (copy_from_user(&karg, arg, sizeof(karg))) {
1496 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1497 __FILE__, __LINE__, __func__);
1500 if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc)
1503 if (state == NON_BLOCKING && !mutex_trylock(&ioc->ctl_cmds.mutex))
1505 else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex))
1506 return -ERESTARTSYS;
1507 rc = _ctl_diag_register_2(ioc, &karg);
1508 mutex_unlock(&ioc->ctl_cmds.mutex);
1513 * _ctl_diag_unregister - application unregister with driver
1514 * @arg - user space buffer containing ioctl content
1516 * This will allow the driver to cleanup any memory allocated for diag
1517 * messages and to free up any resources.
1520 _ctl_diag_unregister(void __user *arg)
1522 struct mpt2_diag_unregister karg;
1523 struct MPT2SAS_ADAPTER *ioc;
1525 dma_addr_t request_data_dma;
1526 u32 request_data_sz;
1529 if (copy_from_user(&karg, arg, sizeof(karg))) {
1530 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1531 __FILE__, __LINE__, __func__);
1534 if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc)
1537 dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name,
1540 buffer_type = karg.unique_id & 0x000000ff;
1541 if (!_ctl_diag_capability(ioc, buffer_type)) {
1542 printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for "
1543 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
1547 if ((ioc->diag_buffer_status[buffer_type] &
1548 MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) {
1549 printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not "
1550 "registered\n", ioc->name, __func__, buffer_type);
1553 if ((ioc->diag_buffer_status[buffer_type] &
1554 MPT2_DIAG_BUFFER_IS_RELEASED) == 0) {
1555 printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) has not been "
1556 "released\n", ioc->name, __func__, buffer_type);
1560 if (karg.unique_id != ioc->unique_id[buffer_type]) {
1561 printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not "
1562 "registered\n", ioc->name, __func__, karg.unique_id);
1566 request_data = ioc->diag_buffer[buffer_type];
1567 if (!request_data) {
1568 printk(MPT2SAS_ERR_FMT "%s: doesn't have memory allocated for "
1569 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
1573 request_data_sz = ioc->diag_buffer_sz[buffer_type];
1574 request_data_dma = ioc->diag_buffer_dma[buffer_type];
1575 pci_free_consistent(ioc->pdev, request_data_sz,
1576 request_data, request_data_dma);
1577 ioc->diag_buffer[buffer_type] = NULL;
1578 ioc->diag_buffer_status[buffer_type] = 0;
1583 * _ctl_diag_query - query relevant info associated with diag buffers
1584 * @arg - user space buffer containing ioctl content
1586 * The application will send only buffer_type and unique_id. Driver will
1587 * inspect unique_id first, if valid, fill in all the info. If unique_id is
1588 * 0x00, the driver will return info specified by Buffer Type.
1591 _ctl_diag_query(void __user *arg)
1593 struct mpt2_diag_query karg;
1594 struct MPT2SAS_ADAPTER *ioc;
1599 if (copy_from_user(&karg, arg, sizeof(karg))) {
1600 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1601 __FILE__, __LINE__, __func__);
1604 if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc)
1607 dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name,
1610 karg.application_flags = 0;
1611 buffer_type = karg.buffer_type;
1613 if (!_ctl_diag_capability(ioc, buffer_type)) {
1614 printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for "
1615 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
1619 if ((ioc->diag_buffer_status[buffer_type] &
1620 MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) {
1621 printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not "
1622 "registered\n", ioc->name, __func__, buffer_type);
1626 if (karg.unique_id & 0xffffff00) {
1627 if (karg.unique_id != ioc->unique_id[buffer_type]) {
1628 printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not "
1629 "registered\n", ioc->name, __func__,
1635 request_data = ioc->diag_buffer[buffer_type];
1636 if (!request_data) {
1637 printk(MPT2SAS_ERR_FMT "%s: doesn't have buffer for "
1638 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
1642 if (ioc->diag_buffer_status[buffer_type] & MPT2_DIAG_BUFFER_IS_RELEASED)
1643 karg.application_flags = (MPT2_APP_FLAGS_APP_OWNED |
1644 MPT2_APP_FLAGS_BUFFER_VALID);
1646 karg.application_flags = (MPT2_APP_FLAGS_APP_OWNED |
1647 MPT2_APP_FLAGS_BUFFER_VALID |
1648 MPT2_APP_FLAGS_FW_BUFFER_ACCESS);
1650 for (i = 0; i < MPT2_PRODUCT_SPECIFIC_DWORDS; i++)
1651 karg.product_specific[i] =
1652 ioc->product_specific[buffer_type][i];
1654 karg.total_buffer_size = ioc->diag_buffer_sz[buffer_type];
1655 karg.driver_added_buffer_size = 0;
1656 karg.unique_id = ioc->unique_id[buffer_type];
1657 karg.diagnostic_flags = ioc->diagnostic_flags[buffer_type];
1659 if (copy_to_user(arg, &karg, sizeof(struct mpt2_diag_query))) {
1660 printk(MPT2SAS_ERR_FMT "%s: unable to write mpt2_diag_query "
1661 "data @ %p\n", ioc->name, __func__, arg);
1668 * _ctl_send_release - Diag Release Message
1669 * @ioc: per adapter object
1670 * @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED
1671 * @issue_reset - specifies whether host reset is required.
1675 _ctl_send_release(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type, u8 *issue_reset)
1677 Mpi2DiagReleaseRequest_t *mpi_request;
1678 Mpi2DiagReleaseReply_t *mpi_reply;
1683 unsigned long timeleft;
1685 dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name,
1691 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
1692 if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
1693 dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
1694 "skipping due to FAULT state\n", ioc->name,
1700 if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) {
1701 printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n",
1702 ioc->name, __func__);
1707 smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx);
1709 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
1710 ioc->name, __func__);
1715 ioc->ctl_cmds.status = MPT2_CMD_PENDING;
1716 memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
1717 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
1718 ioc->ctl_cmds.smid = smid;
1720 mpi_request->Function = MPI2_FUNCTION_DIAG_RELEASE;
1721 mpi_request->BufferType = buffer_type;
1722 mpi_request->VF_ID = 0; /* TODO */
1723 mpi_request->VP_ID = 0;
1725 mpt2sas_base_put_smid_default(ioc, smid);
1726 init_completion(&ioc->ctl_cmds.done);
1727 timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done,
1728 MPT2_IOCTL_DEFAULT_TIMEOUT*HZ);
1730 if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) {
1731 printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name,
1733 _debug_dump_mf(mpi_request,
1734 sizeof(Mpi2DiagReleaseRequest_t)/4);
1735 if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET))
1741 /* process the completed Reply Message Frame */
1742 if ((ioc->ctl_cmds.status & MPT2_CMD_REPLY_VALID) == 0) {
1743 printk(MPT2SAS_ERR_FMT "%s: no reply message\n",
1744 ioc->name, __func__);
1749 mpi_reply = ioc->ctl_cmds.reply;
1750 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
1752 if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
1753 ioc->diag_buffer_status[buffer_type] |=
1754 MPT2_DIAG_BUFFER_IS_RELEASED;
1755 dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: success\n",
1756 ioc->name, __func__));
1758 printk(MPT2SAS_DEBUG_FMT "%s: ioc_status(0x%04x) "
1759 "log_info(0x%08x)\n", ioc->name, __func__,
1760 ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo));
1765 ioc->ctl_cmds.status = MPT2_CMD_NOT_USED;
1770 * _ctl_diag_release - request to send Diag Release Message to firmware
1771 * @arg - user space buffer containing ioctl content
1772 * @state - NON_BLOCKING or BLOCKING
1774 * This allows ownership of the specified buffer to returned to the driver,
1775 * allowing an application to read the buffer without fear that firmware is
1776 * overwritting information in the buffer.
1779 _ctl_diag_release(void __user *arg, enum block_state state)
1781 struct mpt2_diag_release karg;
1782 struct MPT2SAS_ADAPTER *ioc;
1788 if (copy_from_user(&karg, arg, sizeof(karg))) {
1789 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1790 __FILE__, __LINE__, __func__);
1793 if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc)
1796 dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name,
1799 buffer_type = karg.unique_id & 0x000000ff;
1800 if (!_ctl_diag_capability(ioc, buffer_type)) {
1801 printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for "
1802 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
1806 if ((ioc->diag_buffer_status[buffer_type] &
1807 MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) {
1808 printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not "
1809 "registered\n", ioc->name, __func__, buffer_type);
1813 if (karg.unique_id != ioc->unique_id[buffer_type]) {
1814 printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not "
1815 "registered\n", ioc->name, __func__, karg.unique_id);
1819 if (ioc->diag_buffer_status[buffer_type] &
1820 MPT2_DIAG_BUFFER_IS_RELEASED) {
1821 printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) "
1822 "is already released\n", ioc->name, __func__,
1827 request_data = ioc->diag_buffer[buffer_type];
1829 if (!request_data) {
1830 printk(MPT2SAS_ERR_FMT "%s: doesn't have memory allocated for "
1831 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
1835 /* buffers were released by due to host reset */
1836 if ((ioc->diag_buffer_status[buffer_type] &
1837 MPT2_DIAG_BUFFER_IS_DIAG_RESET)) {
1838 ioc->diag_buffer_status[buffer_type] |=
1839 MPT2_DIAG_BUFFER_IS_RELEASED;
1840 ioc->diag_buffer_status[buffer_type] &=
1841 ~MPT2_DIAG_BUFFER_IS_DIAG_RESET;
1842 printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) "
1843 "was released due to host reset\n", ioc->name, __func__,
1848 if (state == NON_BLOCKING && !mutex_trylock(&ioc->ctl_cmds.mutex))
1850 else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex))
1851 return -ERESTARTSYS;
1853 rc = _ctl_send_release(ioc, buffer_type, &issue_reset);
1856 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
1859 mutex_unlock(&ioc->ctl_cmds.mutex);
1864 * _ctl_diag_read_buffer - request for copy of the diag buffer
1865 * @arg - user space buffer containing ioctl content
1866 * @state - NON_BLOCKING or BLOCKING
1869 _ctl_diag_read_buffer(void __user *arg, enum block_state state)
1871 struct mpt2_diag_read_buffer karg;
1872 struct mpt2_diag_read_buffer __user *uarg = arg;
1873 struct MPT2SAS_ADAPTER *ioc;
1874 void *request_data, *diag_data;
1875 Mpi2DiagBufferPostRequest_t *mpi_request;
1876 Mpi2DiagBufferPostReply_t *mpi_reply;
1879 unsigned long timeleft;
1884 if (copy_from_user(&karg, arg, sizeof(karg))) {
1885 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1886 __FILE__, __LINE__, __func__);
1889 if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc)
1892 dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n", ioc->name,
1895 buffer_type = karg.unique_id & 0x000000ff;
1896 if (!_ctl_diag_capability(ioc, buffer_type)) {
1897 printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for "
1898 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
1902 if (karg.unique_id != ioc->unique_id[buffer_type]) {
1903 printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not "
1904 "registered\n", ioc->name, __func__, karg.unique_id);
1908 request_data = ioc->diag_buffer[buffer_type];
1909 if (!request_data) {
1910 printk(MPT2SAS_ERR_FMT "%s: doesn't have buffer for "
1911 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
1915 if ((karg.starting_offset % 4) || (karg.bytes_to_read % 4)) {
1916 printk(MPT2SAS_ERR_FMT "%s: either the starting_offset "
1917 "or bytes_to_read are not 4 byte aligned\n", ioc->name,
1922 diag_data = (void *)(request_data + karg.starting_offset);
1923 dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: diag_buffer(%p), "
1924 "offset(%d), sz(%d)\n", ioc->name, __func__,
1925 diag_data, karg.starting_offset, karg.bytes_to_read));
1927 if (copy_to_user((void __user *)uarg->diagnostic_data,
1928 diag_data, karg.bytes_to_read)) {
1929 printk(MPT2SAS_ERR_FMT "%s: Unable to write "
1930 "mpt_diag_read_buffer_t data @ %p\n", ioc->name,
1931 __func__, diag_data);
1935 if ((karg.flags & MPT2_FLAGS_REREGISTER) == 0)
1938 dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: Reregister "
1939 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type));
1940 if ((ioc->diag_buffer_status[buffer_type] &
1941 MPT2_DIAG_BUFFER_IS_RELEASED) == 0) {
1942 dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: "
1943 "buffer_type(0x%02x) is still registered\n", ioc->name,
1944 __func__, buffer_type));
1947 /* Get a free request frame and save the message context.
1949 if (state == NON_BLOCKING && !mutex_trylock(&ioc->ctl_cmds.mutex))
1951 else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex))
1952 return -ERESTARTSYS;
1954 if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) {
1955 printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n",
1956 ioc->name, __func__);
1961 smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx);
1963 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
1964 ioc->name, __func__);
1970 ioc->ctl_cmds.status = MPT2_CMD_PENDING;
1971 memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
1972 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
1973 ioc->ctl_cmds.smid = smid;
1975 mpi_request->Function = MPI2_FUNCTION_DIAG_BUFFER_POST;
1976 mpi_request->BufferType = buffer_type;
1977 mpi_request->BufferLength =
1978 cpu_to_le32(ioc->diag_buffer_sz[buffer_type]);
1979 mpi_request->BufferAddress =
1980 cpu_to_le64(ioc->diag_buffer_dma[buffer_type]);
1981 for (i = 0; i < MPT2_PRODUCT_SPECIFIC_DWORDS; i++)
1982 mpi_request->ProductSpecific[i] =
1983 cpu_to_le32(ioc->product_specific[buffer_type][i]);
1984 mpi_request->VF_ID = 0; /* TODO */
1985 mpi_request->VP_ID = 0;
1987 mpt2sas_base_put_smid_default(ioc, smid);
1988 init_completion(&ioc->ctl_cmds.done);
1989 timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done,
1990 MPT2_IOCTL_DEFAULT_TIMEOUT*HZ);
1992 if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) {
1993 printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name,
1995 _debug_dump_mf(mpi_request,
1996 sizeof(Mpi2DiagBufferPostRequest_t)/4);
1997 if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET))
1999 goto issue_host_reset;
2002 /* process the completed Reply Message Frame */
2003 if ((ioc->ctl_cmds.status & MPT2_CMD_REPLY_VALID) == 0) {
2004 printk(MPT2SAS_ERR_FMT "%s: no reply message\n",
2005 ioc->name, __func__);
2010 mpi_reply = ioc->ctl_cmds.reply;
2011 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
2013 if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
2014 ioc->diag_buffer_status[buffer_type] |=
2015 MPT2_DIAG_BUFFER_IS_REGISTERED;
2016 dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: success\n",
2017 ioc->name, __func__));
2019 printk(MPT2SAS_DEBUG_FMT "%s: ioc_status(0x%04x) "
2020 "log_info(0x%08x)\n", ioc->name, __func__,
2021 ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo));
2027 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2032 ioc->ctl_cmds.status = MPT2_CMD_NOT_USED;
2033 mutex_unlock(&ioc->ctl_cmds.mutex);
2038 * _ctl_ioctl_main - main ioctl entry point
2039 * @file - (struct file)
2040 * @cmd - ioctl opcode
2044 _ctl_ioctl_main(struct file *file, unsigned int cmd, void __user *arg)
2046 enum block_state state;
2049 state = (file->f_flags & O_NONBLOCK) ? NON_BLOCKING :
2054 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_iocinfo))
2055 ret = _ctl_getiocinfo(arg);
2059 struct mpt2_ioctl_command karg;
2060 struct mpt2_ioctl_command __user *uarg;
2061 struct MPT2SAS_ADAPTER *ioc;
2063 if (copy_from_user(&karg, arg, sizeof(karg))) {
2064 printk(KERN_ERR "failure at %s:%d/%s()!\n",
2065 __FILE__, __LINE__, __func__);
2069 if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 ||
2073 if (ioc->shost_recovery)
2076 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_command)) {
2078 ret = _ctl_do_mpt_command(ioc, karg, &uarg->mf, state);
2082 case MPT2EVENTQUERY:
2083 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_eventquery))
2084 ret = _ctl_eventquery(arg);
2086 case MPT2EVENTENABLE:
2087 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_eventenable))
2088 ret = _ctl_eventenable(arg);
2090 case MPT2EVENTREPORT:
2091 ret = _ctl_eventreport(arg);
2094 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_diag_reset))
2095 ret = _ctl_do_reset(arg);
2097 case MPT2BTDHMAPPING:
2098 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_btdh_mapping))
2099 ret = _ctl_btdh_mapping(arg);
2101 case MPT2DIAGREGISTER:
2102 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_register))
2103 ret = _ctl_diag_register(arg, state);
2105 case MPT2DIAGUNREGISTER:
2106 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_unregister))
2107 ret = _ctl_diag_unregister(arg);
2110 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_query))
2111 ret = _ctl_diag_query(arg);
2113 case MPT2DIAGRELEASE:
2114 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_release))
2115 ret = _ctl_diag_release(arg, state);
2117 case MPT2DIAGREADBUFFER:
2118 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_read_buffer))
2119 ret = _ctl_diag_read_buffer(arg, state);
2123 struct mpt2_ioctl_command karg;
2124 struct MPT2SAS_ADAPTER *ioc;
2126 if (copy_from_user(&karg, arg, sizeof(karg))) {
2127 printk(KERN_ERR "failure at %s:%d/%s()!\n",
2128 __FILE__, __LINE__, __func__);
2132 if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 ||
2136 dctlprintk(ioc, printk(MPT2SAS_DEBUG_FMT
2137 "unsupported ioctl opcode(0x%08x)\n", ioc->name, cmd));
2145 * _ctl_ioctl - main ioctl entry point (unlocked)
2146 * @file - (struct file)
2147 * @cmd - ioctl opcode
2151 _ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
2156 ret = _ctl_ioctl_main(file, cmd, (void __user *)arg);
2161 #ifdef CONFIG_COMPAT
2163 * _ctl_compat_mpt_command - convert 32bit pointers to 64bit.
2164 * @file - (struct file)
2165 * @cmd - ioctl opcode
2166 * @arg - (struct mpt2_ioctl_command32)
2168 * MPT2COMMAND32 - Handle 32bit applications running on 64bit os.
2171 _ctl_compat_mpt_command(struct file *file, unsigned cmd, unsigned long arg)
2173 struct mpt2_ioctl_command32 karg32;
2174 struct mpt2_ioctl_command32 __user *uarg;
2175 struct mpt2_ioctl_command karg;
2176 struct MPT2SAS_ADAPTER *ioc;
2177 enum block_state state;
2179 if (_IOC_SIZE(cmd) != sizeof(struct mpt2_ioctl_command32))
2182 uarg = (struct mpt2_ioctl_command32 __user *) arg;
2184 if (copy_from_user(&karg32, (char __user *)arg, sizeof(karg32))) {
2185 printk(KERN_ERR "failure at %s:%d/%s()!\n",
2186 __FILE__, __LINE__, __func__);
2189 if (_ctl_verify_adapter(karg32.hdr.ioc_number, &ioc) == -1 || !ioc)
2192 if (ioc->shost_recovery)
2195 memset(&karg, 0, sizeof(struct mpt2_ioctl_command));
2196 karg.hdr.ioc_number = karg32.hdr.ioc_number;
2197 karg.hdr.port_number = karg32.hdr.port_number;
2198 karg.hdr.max_data_size = karg32.hdr.max_data_size;
2199 karg.timeout = karg32.timeout;
2200 karg.max_reply_bytes = karg32.max_reply_bytes;
2201 karg.data_in_size = karg32.data_in_size;
2202 karg.data_out_size = karg32.data_out_size;
2203 karg.max_sense_bytes = karg32.max_sense_bytes;
2204 karg.data_sge_offset = karg32.data_sge_offset;
2205 memcpy(&karg.reply_frame_buf_ptr, &karg32.reply_frame_buf_ptr,
2207 memcpy(&karg.data_in_buf_ptr, &karg32.data_in_buf_ptr,
2209 memcpy(&karg.data_out_buf_ptr, &karg32.data_out_buf_ptr,
2211 memcpy(&karg.sense_data_ptr, &karg32.sense_data_ptr,
2213 state = (file->f_flags & O_NONBLOCK) ? NON_BLOCKING : BLOCKING;
2214 return _ctl_do_mpt_command(ioc, karg, &uarg->mf, state);
2218 * _ctl_ioctl_compat - main ioctl entry point (compat)
2223 * This routine handles 32 bit applications in 64bit os.
2226 _ctl_ioctl_compat(struct file *file, unsigned cmd, unsigned long arg)
2231 if (cmd == MPT2COMMAND32)
2232 ret = _ctl_compat_mpt_command(file, cmd, arg);
2234 ret = _ctl_ioctl_main(file, cmd, (void __user *)arg);
2240 /* scsi host attributes */
2243 * _ctl_version_fw_show - firmware version
2244 * @cdev - pointer to embedded class device
2245 * @buf - the buffer returned
2247 * A sysfs 'read-only' shost attribute.
2250 _ctl_version_fw_show(struct device *cdev, struct device_attribute *attr,
2253 struct Scsi_Host *shost = class_to_shost(cdev);
2254 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2256 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
2257 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
2258 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
2259 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
2260 ioc->facts.FWVersion.Word & 0x000000FF);
2262 static DEVICE_ATTR(version_fw, S_IRUGO, _ctl_version_fw_show, NULL);
2265 * _ctl_version_bios_show - bios version
2266 * @cdev - pointer to embedded class device
2267 * @buf - the buffer returned
2269 * A sysfs 'read-only' shost attribute.
2272 _ctl_version_bios_show(struct device *cdev, struct device_attribute *attr,
2275 struct Scsi_Host *shost = class_to_shost(cdev);
2276 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2278 u32 version = le32_to_cpu(ioc->bios_pg3.BiosVersion);
2280 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
2281 (version & 0xFF000000) >> 24,
2282 (version & 0x00FF0000) >> 16,
2283 (version & 0x0000FF00) >> 8,
2284 version & 0x000000FF);
2286 static DEVICE_ATTR(version_bios, S_IRUGO, _ctl_version_bios_show, NULL);
2289 * _ctl_version_mpi_show - MPI (message passing interface) version
2290 * @cdev - pointer to embedded class device
2291 * @buf - the buffer returned
2293 * A sysfs 'read-only' shost attribute.
2296 _ctl_version_mpi_show(struct device *cdev, struct device_attribute *attr,
2299 struct Scsi_Host *shost = class_to_shost(cdev);
2300 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2302 return snprintf(buf, PAGE_SIZE, "%03x.%02x\n",
2303 ioc->facts.MsgVersion, ioc->facts.HeaderVersion >> 8);
2305 static DEVICE_ATTR(version_mpi, S_IRUGO, _ctl_version_mpi_show, NULL);
2308 * _ctl_version_product_show - product name
2309 * @cdev - pointer to embedded class device
2310 * @buf - the buffer returned
2312 * A sysfs 'read-only' shost attribute.
2315 _ctl_version_product_show(struct device *cdev, struct device_attribute *attr,
2318 struct Scsi_Host *shost = class_to_shost(cdev);
2319 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2321 return snprintf(buf, 16, "%s\n", ioc->manu_pg0.ChipName);
2323 static DEVICE_ATTR(version_product, S_IRUGO,
2324 _ctl_version_product_show, NULL);
2327 * _ctl_version_nvdata_persistent_show - ndvata persistent version
2328 * @cdev - pointer to embedded class device
2329 * @buf - the buffer returned
2331 * A sysfs 'read-only' shost attribute.
2334 _ctl_version_nvdata_persistent_show(struct device *cdev,
2335 struct device_attribute *attr, char *buf)
2337 struct Scsi_Host *shost = class_to_shost(cdev);
2338 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2340 return snprintf(buf, PAGE_SIZE, "%02xh\n",
2341 le16_to_cpu(ioc->iounit_pg0.NvdataVersionPersistent.Word));
2343 static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
2344 _ctl_version_nvdata_persistent_show, NULL);
2347 * _ctl_version_nvdata_default_show - nvdata default version
2348 * @cdev - pointer to embedded class device
2349 * @buf - the buffer returned
2351 * A sysfs 'read-only' shost attribute.
2354 _ctl_version_nvdata_default_show(struct device *cdev,
2355 struct device_attribute *attr, char *buf)
2357 struct Scsi_Host *shost = class_to_shost(cdev);
2358 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2360 return snprintf(buf, PAGE_SIZE, "%02xh\n",
2361 le16_to_cpu(ioc->iounit_pg0.NvdataVersionDefault.Word));
2363 static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
2364 _ctl_version_nvdata_default_show, NULL);
2367 * _ctl_board_name_show - board name
2368 * @cdev - pointer to embedded class device
2369 * @buf - the buffer returned
2371 * A sysfs 'read-only' shost attribute.
2374 _ctl_board_name_show(struct device *cdev, struct device_attribute *attr,
2377 struct Scsi_Host *shost = class_to_shost(cdev);
2378 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2380 return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardName);
2382 static DEVICE_ATTR(board_name, S_IRUGO, _ctl_board_name_show, NULL);
2385 * _ctl_board_assembly_show - board assembly name
2386 * @cdev - pointer to embedded class device
2387 * @buf - the buffer returned
2389 * A sysfs 'read-only' shost attribute.
2392 _ctl_board_assembly_show(struct device *cdev, struct device_attribute *attr,
2395 struct Scsi_Host *shost = class_to_shost(cdev);
2396 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2398 return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardAssembly);
2400 static DEVICE_ATTR(board_assembly, S_IRUGO,
2401 _ctl_board_assembly_show, NULL);
2404 * _ctl_board_tracer_show - board tracer number
2405 * @cdev - pointer to embedded class device
2406 * @buf - the buffer returned
2408 * A sysfs 'read-only' shost attribute.
2411 _ctl_board_tracer_show(struct device *cdev, struct device_attribute *attr,
2414 struct Scsi_Host *shost = class_to_shost(cdev);
2415 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2417 return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardTracerNumber);
2419 static DEVICE_ATTR(board_tracer, S_IRUGO,
2420 _ctl_board_tracer_show, NULL);
2423 * _ctl_io_delay_show - io missing delay
2424 * @cdev - pointer to embedded class device
2425 * @buf - the buffer returned
2427 * This is for firmware implemention for deboucing device
2430 * A sysfs 'read-only' shost attribute.
2433 _ctl_io_delay_show(struct device *cdev, struct device_attribute *attr,
2436 struct Scsi_Host *shost = class_to_shost(cdev);
2437 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2439 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
2441 static DEVICE_ATTR(io_delay, S_IRUGO,
2442 _ctl_io_delay_show, NULL);
2445 * _ctl_device_delay_show - device missing delay
2446 * @cdev - pointer to embedded class device
2447 * @buf - the buffer returned
2449 * This is for firmware implemention for deboucing device
2452 * A sysfs 'read-only' shost attribute.
2455 _ctl_device_delay_show(struct device *cdev, struct device_attribute *attr,
2458 struct Scsi_Host *shost = class_to_shost(cdev);
2459 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2461 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
2463 static DEVICE_ATTR(device_delay, S_IRUGO,
2464 _ctl_device_delay_show, NULL);
2467 * _ctl_fw_queue_depth_show - global credits
2468 * @cdev - pointer to embedded class device
2469 * @buf - the buffer returned
2471 * This is firmware queue depth limit
2473 * A sysfs 'read-only' shost attribute.
2476 _ctl_fw_queue_depth_show(struct device *cdev, struct device_attribute *attr,
2479 struct Scsi_Host *shost = class_to_shost(cdev);
2480 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2482 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->facts.RequestCredit);
2484 static DEVICE_ATTR(fw_queue_depth, S_IRUGO,
2485 _ctl_fw_queue_depth_show, NULL);
2488 * _ctl_sas_address_show - sas address
2489 * @cdev - pointer to embedded class device
2490 * @buf - the buffer returned
2492 * This is the controller sas address
2494 * A sysfs 'read-only' shost attribute.
2497 _ctl_host_sas_address_show(struct device *cdev, struct device_attribute *attr,
2500 struct Scsi_Host *shost = class_to_shost(cdev);
2501 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2503 return snprintf(buf, PAGE_SIZE, "0x%016llx\n",
2504 (unsigned long long)ioc->sas_hba.sas_address);
2506 static DEVICE_ATTR(host_sas_address, S_IRUGO,
2507 _ctl_host_sas_address_show, NULL);
2510 * _ctl_logging_level_show - logging level
2511 * @cdev - pointer to embedded class device
2512 * @buf - the buffer returned
2514 * A sysfs 'read/write' shost attribute.
2517 _ctl_logging_level_show(struct device *cdev, struct device_attribute *attr,
2520 struct Scsi_Host *shost = class_to_shost(cdev);
2521 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2523 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->logging_level);
2526 _ctl_logging_level_store(struct device *cdev, struct device_attribute *attr,
2527 const char *buf, size_t count)
2529 struct Scsi_Host *shost = class_to_shost(cdev);
2530 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2533 if (sscanf(buf, "%x", &val) != 1)
2536 ioc->logging_level = val;
2537 printk(MPT2SAS_INFO_FMT "logging_level=%08xh\n", ioc->name,
2538 ioc->logging_level);
2541 static DEVICE_ATTR(logging_level, S_IRUGO | S_IWUSR,
2542 _ctl_logging_level_show, _ctl_logging_level_store);
2544 /* device attributes */
2546 * _ctl_fwfault_debug_show - show/store fwfault_debug
2547 * @cdev - pointer to embedded class device
2548 * @buf - the buffer returned
2550 * mpt2sas_fwfault_debug is command line option
2551 * A sysfs 'read/write' shost attribute.
2554 _ctl_fwfault_debug_show(struct device *cdev,
2555 struct device_attribute *attr, char *buf)
2557 struct Scsi_Host *shost = class_to_shost(cdev);
2558 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2560 return snprintf(buf, PAGE_SIZE, "%d\n", ioc->fwfault_debug);
2563 _ctl_fwfault_debug_store(struct device *cdev,
2564 struct device_attribute *attr, const char *buf, size_t count)
2566 struct Scsi_Host *shost = class_to_shost(cdev);
2567 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2570 if (sscanf(buf, "%d", &val) != 1)
2573 ioc->fwfault_debug = val;
2574 printk(MPT2SAS_INFO_FMT "fwfault_debug=%d\n", ioc->name,
2575 ioc->fwfault_debug);
2578 static DEVICE_ATTR(fwfault_debug, S_IRUGO | S_IWUSR,
2579 _ctl_fwfault_debug_show, _ctl_fwfault_debug_store);
2581 struct device_attribute *mpt2sas_host_attrs[] = {
2582 &dev_attr_version_fw,
2583 &dev_attr_version_bios,
2584 &dev_attr_version_mpi,
2585 &dev_attr_version_product,
2586 &dev_attr_version_nvdata_persistent,
2587 &dev_attr_version_nvdata_default,
2588 &dev_attr_board_name,
2589 &dev_attr_board_assembly,
2590 &dev_attr_board_tracer,
2592 &dev_attr_device_delay,
2593 &dev_attr_logging_level,
2594 &dev_attr_fwfault_debug,
2595 &dev_attr_fw_queue_depth,
2596 &dev_attr_host_sas_address,
2601 * _ctl_device_sas_address_show - sas address
2602 * @cdev - pointer to embedded class device
2603 * @buf - the buffer returned
2605 * This is the sas address for the target
2607 * A sysfs 'read-only' shost attribute.
2610 _ctl_device_sas_address_show(struct device *dev, struct device_attribute *attr,
2613 struct scsi_device *sdev = to_scsi_device(dev);
2614 struct MPT2SAS_DEVICE *sas_device_priv_data = sdev->hostdata;
2616 return snprintf(buf, PAGE_SIZE, "0x%016llx\n",
2617 (unsigned long long)sas_device_priv_data->sas_target->sas_address);
2619 static DEVICE_ATTR(sas_address, S_IRUGO, _ctl_device_sas_address_show, NULL);
2622 * _ctl_device_handle_show - device handle
2623 * @cdev - pointer to embedded class device
2624 * @buf - the buffer returned
2626 * This is the firmware assigned device handle
2628 * A sysfs 'read-only' shost attribute.
2631 _ctl_device_handle_show(struct device *dev, struct device_attribute *attr,
2634 struct scsi_device *sdev = to_scsi_device(dev);
2635 struct MPT2SAS_DEVICE *sas_device_priv_data = sdev->hostdata;
2637 return snprintf(buf, PAGE_SIZE, "0x%04x\n",
2638 sas_device_priv_data->sas_target->handle);
2640 static DEVICE_ATTR(sas_device_handle, S_IRUGO, _ctl_device_handle_show, NULL);
2642 struct device_attribute *mpt2sas_dev_attrs[] = {
2643 &dev_attr_sas_address,
2644 &dev_attr_sas_device_handle,
2648 static const struct file_operations ctl_fops = {
2649 .owner = THIS_MODULE,
2650 .unlocked_ioctl = _ctl_ioctl,
2651 .release = _ctl_release,
2653 .fasync = _ctl_fasync,
2654 #ifdef CONFIG_COMPAT
2655 .compat_ioctl = _ctl_ioctl_compat,
2659 static struct miscdevice ctl_dev = {
2660 .minor = MPT2SAS_MINOR,
2661 .name = MPT2SAS_DEV_NAME,
2666 * mpt2sas_ctl_init - main entry point for ctl.
2670 mpt2sas_ctl_init(void)
2673 if (misc_register(&ctl_dev) < 0)
2674 printk(KERN_ERR "%s can't register misc device [minor=%d]\n",
2675 MPT2SAS_DRIVER_NAME, MPT2SAS_MINOR);
2677 init_waitqueue_head(&ctl_poll_wait);
2681 * mpt2sas_ctl_exit - exit point for ctl
2685 mpt2sas_ctl_exit(void)
2687 struct MPT2SAS_ADAPTER *ioc;
2690 list_for_each_entry(ioc, &mpt2sas_ioc_list, list) {
2692 /* free memory associated to diag buffers */
2693 for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) {
2694 if (!ioc->diag_buffer[i])
2696 pci_free_consistent(ioc->pdev, ioc->diag_buffer_sz[i],
2697 ioc->diag_buffer[i], ioc->diag_buffer_dma[i]);
2698 ioc->diag_buffer[i] = NULL;
2699 ioc->diag_buffer_status[i] = 0;
2702 kfree(ioc->event_log);
2704 misc_deregister(&ctl_dev);