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f92363d1 SR |
1 | /* |
2 | * Management Module Support for MPT (Message Passing Technology) based | |
3 | * controllers | |
4 | * | |
5 | * This code is based on drivers/scsi/mpt3sas/mpt3sas_ctl.c | |
a4ffce0d | 6 | * Copyright (C) 2012-2014 LSI Corporation |
a03bd153 SR |
7 | * Copyright (C) 2013-2014 Avago Technologies |
8 | * (mailto: MPT-FusionLinux.pdl@avagotech.com) | |
f92363d1 SR |
9 | * |
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. | |
14 | * | |
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. | |
19 | * | |
20 | * NO WARRANTY | |
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. | |
30 | ||
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 | |
39 | ||
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, | |
43 | * USA. | |
44 | */ | |
45 | ||
f92363d1 SR |
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> | |
56 | ||
57 | #include <linux/io.h> | |
58 | #include <linux/uaccess.h> | |
59 | ||
60 | #include "mpt3sas_base.h" | |
61 | #include "mpt3sas_ctl.h" | |
62 | ||
63 | ||
64 | static struct fasync_struct *async_queue; | |
65 | static DECLARE_WAIT_QUEUE_HEAD(ctl_poll_wait); | |
66 | ||
67 | ||
68 | /** | |
69 | * enum block_state - blocking state | |
70 | * @NON_BLOCKING: non blocking | |
71 | * @BLOCKING: blocking | |
72 | * | |
73 | * These states are for ioctls that need to wait for a response | |
74 | * from firmware, so they probably require sleep. | |
75 | */ | |
76 | enum block_state { | |
77 | NON_BLOCKING, | |
78 | BLOCKING, | |
79 | }; | |
80 | ||
81 | #ifdef CONFIG_SCSI_MPT3SAS_LOGGING | |
82 | /** | |
83 | * _ctl_sas_device_find_by_handle - sas device search | |
84 | * @ioc: per adapter object | |
85 | * @handle: sas device handle (assigned by firmware) | |
86 | * Context: Calling function should acquire ioc->sas_device_lock | |
87 | * | |
88 | * This searches for sas_device based on sas_address, then return sas_device | |
89 | * object. | |
90 | */ | |
91 | static struct _sas_device * | |
92 | _ctl_sas_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle) | |
93 | { | |
94 | struct _sas_device *sas_device, *r; | |
95 | ||
96 | r = NULL; | |
97 | list_for_each_entry(sas_device, &ioc->sas_device_list, list) { | |
98 | if (sas_device->handle != handle) | |
99 | continue; | |
100 | r = sas_device; | |
101 | goto out; | |
102 | } | |
103 | ||
104 | out: | |
105 | return r; | |
106 | } | |
107 | ||
108 | /** | |
109 | * _ctl_display_some_debug - debug routine | |
110 | * @ioc: per adapter object | |
111 | * @smid: system request message index | |
112 | * @calling_function_name: string pass from calling function | |
113 | * @mpi_reply: reply message frame | |
114 | * Context: none. | |
115 | * | |
116 | * Function for displaying debug info helpful when debugging issues | |
117 | * in this module. | |
118 | */ | |
119 | static void | |
120 | _ctl_display_some_debug(struct MPT3SAS_ADAPTER *ioc, u16 smid, | |
121 | char *calling_function_name, MPI2DefaultReply_t *mpi_reply) | |
122 | { | |
123 | Mpi2ConfigRequest_t *mpi_request; | |
124 | char *desc = NULL; | |
125 | ||
126 | if (!(ioc->logging_level & MPT_DEBUG_IOCTL)) | |
127 | return; | |
128 | ||
129 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); | |
130 | switch (mpi_request->Function) { | |
131 | case MPI2_FUNCTION_SCSI_IO_REQUEST: | |
132 | { | |
133 | Mpi2SCSIIORequest_t *scsi_request = | |
134 | (Mpi2SCSIIORequest_t *)mpi_request; | |
135 | ||
136 | snprintf(ioc->tmp_string, MPT_STRING_LENGTH, | |
137 | "scsi_io, cmd(0x%02x), cdb_len(%d)", | |
138 | scsi_request->CDB.CDB32[0], | |
139 | le16_to_cpu(scsi_request->IoFlags) & 0xF); | |
140 | desc = ioc->tmp_string; | |
141 | break; | |
142 | } | |
143 | case MPI2_FUNCTION_SCSI_TASK_MGMT: | |
144 | desc = "task_mgmt"; | |
145 | break; | |
146 | case MPI2_FUNCTION_IOC_INIT: | |
147 | desc = "ioc_init"; | |
148 | break; | |
149 | case MPI2_FUNCTION_IOC_FACTS: | |
150 | desc = "ioc_facts"; | |
151 | break; | |
152 | case MPI2_FUNCTION_CONFIG: | |
153 | { | |
154 | Mpi2ConfigRequest_t *config_request = | |
155 | (Mpi2ConfigRequest_t *)mpi_request; | |
156 | ||
157 | snprintf(ioc->tmp_string, MPT_STRING_LENGTH, | |
158 | "config, type(0x%02x), ext_type(0x%02x), number(%d)", | |
159 | (config_request->Header.PageType & | |
160 | MPI2_CONFIG_PAGETYPE_MASK), config_request->ExtPageType, | |
161 | config_request->Header.PageNumber); | |
162 | desc = ioc->tmp_string; | |
163 | break; | |
164 | } | |
165 | case MPI2_FUNCTION_PORT_FACTS: | |
166 | desc = "port_facts"; | |
167 | break; | |
168 | case MPI2_FUNCTION_PORT_ENABLE: | |
169 | desc = "port_enable"; | |
170 | break; | |
171 | case MPI2_FUNCTION_EVENT_NOTIFICATION: | |
172 | desc = "event_notification"; | |
173 | break; | |
174 | case MPI2_FUNCTION_FW_DOWNLOAD: | |
175 | desc = "fw_download"; | |
176 | break; | |
177 | case MPI2_FUNCTION_FW_UPLOAD: | |
178 | desc = "fw_upload"; | |
179 | break; | |
180 | case MPI2_FUNCTION_RAID_ACTION: | |
181 | desc = "raid_action"; | |
182 | break; | |
183 | case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: | |
184 | { | |
185 | Mpi2SCSIIORequest_t *scsi_request = | |
186 | (Mpi2SCSIIORequest_t *)mpi_request; | |
187 | ||
188 | snprintf(ioc->tmp_string, MPT_STRING_LENGTH, | |
189 | "raid_pass, cmd(0x%02x), cdb_len(%d)", | |
190 | scsi_request->CDB.CDB32[0], | |
191 | le16_to_cpu(scsi_request->IoFlags) & 0xF); | |
192 | desc = ioc->tmp_string; | |
193 | break; | |
194 | } | |
195 | case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL: | |
196 | desc = "sas_iounit_cntl"; | |
197 | break; | |
198 | case MPI2_FUNCTION_SATA_PASSTHROUGH: | |
199 | desc = "sata_pass"; | |
200 | break; | |
201 | case MPI2_FUNCTION_DIAG_BUFFER_POST: | |
202 | desc = "diag_buffer_post"; | |
203 | break; | |
204 | case MPI2_FUNCTION_DIAG_RELEASE: | |
205 | desc = "diag_release"; | |
206 | break; | |
207 | case MPI2_FUNCTION_SMP_PASSTHROUGH: | |
208 | desc = "smp_passthrough"; | |
209 | break; | |
210 | } | |
211 | ||
212 | if (!desc) | |
213 | return; | |
214 | ||
215 | pr_info(MPT3SAS_FMT "%s: %s, smid(%d)\n", | |
216 | ioc->name, calling_function_name, desc, smid); | |
217 | ||
218 | if (!mpi_reply) | |
219 | return; | |
220 | ||
221 | if (mpi_reply->IOCStatus || mpi_reply->IOCLogInfo) | |
222 | pr_info(MPT3SAS_FMT | |
223 | "\tiocstatus(0x%04x), loginfo(0x%08x)\n", | |
224 | ioc->name, le16_to_cpu(mpi_reply->IOCStatus), | |
225 | le32_to_cpu(mpi_reply->IOCLogInfo)); | |
226 | ||
227 | if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || | |
228 | mpi_request->Function == | |
229 | MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) { | |
230 | Mpi2SCSIIOReply_t *scsi_reply = | |
231 | (Mpi2SCSIIOReply_t *)mpi_reply; | |
232 | struct _sas_device *sas_device = NULL; | |
233 | unsigned long flags; | |
234 | ||
235 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
236 | sas_device = _ctl_sas_device_find_by_handle(ioc, | |
237 | le16_to_cpu(scsi_reply->DevHandle)); | |
238 | if (sas_device) { | |
239 | pr_warn(MPT3SAS_FMT "\tsas_address(0x%016llx), phy(%d)\n", | |
240 | ioc->name, (unsigned long long) | |
241 | sas_device->sas_address, sas_device->phy); | |
242 | pr_warn(MPT3SAS_FMT | |
243 | "\tenclosure_logical_id(0x%016llx), slot(%d)\n", | |
244 | ioc->name, (unsigned long long) | |
245 | sas_device->enclosure_logical_id, sas_device->slot); | |
246 | } | |
247 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
248 | if (scsi_reply->SCSIState || scsi_reply->SCSIStatus) | |
249 | pr_info(MPT3SAS_FMT | |
250 | "\tscsi_state(0x%02x), scsi_status" | |
251 | "(0x%02x)\n", ioc->name, | |
252 | scsi_reply->SCSIState, | |
253 | scsi_reply->SCSIStatus); | |
254 | } | |
255 | } | |
256 | ||
257 | #endif | |
258 | ||
259 | /** | |
260 | * mpt3sas_ctl_done - ctl module completion routine | |
261 | * @ioc: per adapter object | |
262 | * @smid: system request message index | |
263 | * @msix_index: MSIX table index supplied by the OS | |
264 | * @reply: reply message frame(lower 32bit addr) | |
265 | * Context: none. | |
266 | * | |
267 | * The callback handler when using ioc->ctl_cb_idx. | |
268 | * | |
269 | * Return 1 meaning mf should be freed from _base_interrupt | |
270 | * 0 means the mf is freed from this function. | |
271 | */ | |
272 | u8 | |
273 | mpt3sas_ctl_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, | |
274 | u32 reply) | |
275 | { | |
276 | MPI2DefaultReply_t *mpi_reply; | |
277 | Mpi2SCSIIOReply_t *scsiio_reply; | |
278 | const void *sense_data; | |
279 | u32 sz; | |
280 | ||
281 | if (ioc->ctl_cmds.status == MPT3_CMD_NOT_USED) | |
282 | return 1; | |
283 | if (ioc->ctl_cmds.smid != smid) | |
284 | return 1; | |
285 | ioc->ctl_cmds.status |= MPT3_CMD_COMPLETE; | |
286 | mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply); | |
287 | if (mpi_reply) { | |
288 | memcpy(ioc->ctl_cmds.reply, mpi_reply, mpi_reply->MsgLength*4); | |
289 | ioc->ctl_cmds.status |= MPT3_CMD_REPLY_VALID; | |
290 | /* get sense data */ | |
291 | if (mpi_reply->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || | |
292 | mpi_reply->Function == | |
293 | MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) { | |
294 | scsiio_reply = (Mpi2SCSIIOReply_t *)mpi_reply; | |
295 | if (scsiio_reply->SCSIState & | |
296 | MPI2_SCSI_STATE_AUTOSENSE_VALID) { | |
297 | sz = min_t(u32, SCSI_SENSE_BUFFERSIZE, | |
298 | le32_to_cpu(scsiio_reply->SenseCount)); | |
299 | sense_data = mpt3sas_base_get_sense_buffer(ioc, | |
300 | smid); | |
301 | memcpy(ioc->ctl_cmds.sense, sense_data, sz); | |
302 | } | |
303 | } | |
304 | } | |
305 | #ifdef CONFIG_SCSI_MPT3SAS_LOGGING | |
306 | _ctl_display_some_debug(ioc, smid, "ctl_done", mpi_reply); | |
307 | #endif | |
308 | ioc->ctl_cmds.status &= ~MPT3_CMD_PENDING; | |
309 | complete(&ioc->ctl_cmds.done); | |
310 | return 1; | |
311 | } | |
312 | ||
313 | /** | |
314 | * _ctl_check_event_type - determines when an event needs logging | |
315 | * @ioc: per adapter object | |
316 | * @event: firmware event | |
317 | * | |
318 | * The bitmask in ioc->event_type[] indicates which events should be | |
319 | * be saved in the driver event_log. This bitmask is set by application. | |
320 | * | |
321 | * Returns 1 when event should be captured, or zero means no match. | |
322 | */ | |
323 | static int | |
324 | _ctl_check_event_type(struct MPT3SAS_ADAPTER *ioc, u16 event) | |
325 | { | |
326 | u16 i; | |
327 | u32 desired_event; | |
328 | ||
329 | if (event >= 128 || !event || !ioc->event_log) | |
330 | return 0; | |
331 | ||
332 | desired_event = (1 << (event % 32)); | |
333 | if (!desired_event) | |
334 | desired_event = 1; | |
335 | i = event / 32; | |
336 | return desired_event & ioc->event_type[i]; | |
337 | } | |
338 | ||
339 | /** | |
340 | * mpt3sas_ctl_add_to_event_log - add event | |
341 | * @ioc: per adapter object | |
342 | * @mpi_reply: reply message frame | |
343 | * | |
344 | * Return nothing. | |
345 | */ | |
346 | void | |
347 | mpt3sas_ctl_add_to_event_log(struct MPT3SAS_ADAPTER *ioc, | |
348 | Mpi2EventNotificationReply_t *mpi_reply) | |
349 | { | |
350 | struct MPT3_IOCTL_EVENTS *event_log; | |
351 | u16 event; | |
352 | int i; | |
353 | u32 sz, event_data_sz; | |
354 | u8 send_aen = 0; | |
355 | ||
356 | if (!ioc->event_log) | |
357 | return; | |
358 | ||
359 | event = le16_to_cpu(mpi_reply->Event); | |
360 | ||
361 | if (_ctl_check_event_type(ioc, event)) { | |
362 | ||
363 | /* insert entry into circular event_log */ | |
364 | i = ioc->event_context % MPT3SAS_CTL_EVENT_LOG_SIZE; | |
365 | event_log = ioc->event_log; | |
366 | event_log[i].event = event; | |
367 | event_log[i].context = ioc->event_context++; | |
368 | ||
369 | event_data_sz = le16_to_cpu(mpi_reply->EventDataLength)*4; | |
370 | sz = min_t(u32, event_data_sz, MPT3_EVENT_DATA_SIZE); | |
371 | memset(event_log[i].data, 0, MPT3_EVENT_DATA_SIZE); | |
372 | memcpy(event_log[i].data, mpi_reply->EventData, sz); | |
373 | send_aen = 1; | |
374 | } | |
375 | ||
376 | /* This aen_event_read_flag flag is set until the | |
377 | * application has read the event log. | |
378 | * For MPI2_EVENT_LOG_ENTRY_ADDED, we always notify. | |
379 | */ | |
380 | if (event == MPI2_EVENT_LOG_ENTRY_ADDED || | |
381 | (send_aen && !ioc->aen_event_read_flag)) { | |
382 | ioc->aen_event_read_flag = 1; | |
383 | wake_up_interruptible(&ctl_poll_wait); | |
384 | if (async_queue) | |
385 | kill_fasync(&async_queue, SIGIO, POLL_IN); | |
386 | } | |
387 | } | |
388 | ||
389 | /** | |
390 | * mpt3sas_ctl_event_callback - firmware event handler (called at ISR time) | |
391 | * @ioc: per adapter object | |
392 | * @msix_index: MSIX table index supplied by the OS | |
393 | * @reply: reply message frame(lower 32bit addr) | |
394 | * Context: interrupt. | |
395 | * | |
396 | * This function merely adds a new work task into ioc->firmware_event_thread. | |
397 | * The tasks are worked from _firmware_event_work in user context. | |
398 | * | |
399 | * Return 1 meaning mf should be freed from _base_interrupt | |
400 | * 0 means the mf is freed from this function. | |
401 | */ | |
402 | u8 | |
403 | mpt3sas_ctl_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index, | |
404 | u32 reply) | |
405 | { | |
406 | Mpi2EventNotificationReply_t *mpi_reply; | |
407 | ||
408 | mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply); | |
409 | mpt3sas_ctl_add_to_event_log(ioc, mpi_reply); | |
410 | return 1; | |
411 | } | |
412 | ||
413 | /** | |
414 | * _ctl_verify_adapter - validates ioc_number passed from application | |
415 | * @ioc: per adapter object | |
416 | * @iocpp: The ioc pointer is returned in this. | |
417 | * | |
418 | * Return (-1) means error, else ioc_number. | |
419 | */ | |
420 | static int | |
421 | _ctl_verify_adapter(int ioc_number, struct MPT3SAS_ADAPTER **iocpp) | |
422 | { | |
423 | struct MPT3SAS_ADAPTER *ioc; | |
424 | ||
425 | list_for_each_entry(ioc, &mpt3sas_ioc_list, list) { | |
426 | if (ioc->id != ioc_number) | |
427 | continue; | |
428 | *iocpp = ioc; | |
429 | return ioc_number; | |
430 | } | |
431 | *iocpp = NULL; | |
432 | return -1; | |
433 | } | |
434 | ||
435 | /** | |
436 | * mpt3sas_ctl_reset_handler - reset callback handler (for ctl) | |
437 | * @ioc: per adapter object | |
438 | * @reset_phase: phase | |
439 | * | |
440 | * The handler for doing any required cleanup or initialization. | |
441 | * | |
442 | * The reset phase can be MPT3_IOC_PRE_RESET, MPT3_IOC_AFTER_RESET, | |
443 | * MPT3_IOC_DONE_RESET | |
444 | */ | |
445 | void | |
446 | mpt3sas_ctl_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase) | |
447 | { | |
448 | int i; | |
449 | u8 issue_reset; | |
450 | ||
451 | switch (reset_phase) { | |
452 | case MPT3_IOC_PRE_RESET: | |
453 | dtmprintk(ioc, pr_info(MPT3SAS_FMT | |
454 | "%s: MPT3_IOC_PRE_RESET\n", ioc->name, __func__)); | |
455 | for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { | |
456 | if (!(ioc->diag_buffer_status[i] & | |
457 | MPT3_DIAG_BUFFER_IS_REGISTERED)) | |
458 | continue; | |
459 | if ((ioc->diag_buffer_status[i] & | |
460 | MPT3_DIAG_BUFFER_IS_RELEASED)) | |
461 | continue; | |
462 | mpt3sas_send_diag_release(ioc, i, &issue_reset); | |
463 | } | |
464 | break; | |
465 | case MPT3_IOC_AFTER_RESET: | |
466 | dtmprintk(ioc, pr_info(MPT3SAS_FMT | |
467 | "%s: MPT3_IOC_AFTER_RESET\n", ioc->name, __func__)); | |
468 | if (ioc->ctl_cmds.status & MPT3_CMD_PENDING) { | |
469 | ioc->ctl_cmds.status |= MPT3_CMD_RESET; | |
470 | mpt3sas_base_free_smid(ioc, ioc->ctl_cmds.smid); | |
471 | complete(&ioc->ctl_cmds.done); | |
472 | } | |
473 | break; | |
474 | case MPT3_IOC_DONE_RESET: | |
475 | dtmprintk(ioc, pr_info(MPT3SAS_FMT | |
476 | "%s: MPT3_IOC_DONE_RESET\n", ioc->name, __func__)); | |
477 | ||
478 | for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { | |
479 | if (!(ioc->diag_buffer_status[i] & | |
480 | MPT3_DIAG_BUFFER_IS_REGISTERED)) | |
481 | continue; | |
482 | if ((ioc->diag_buffer_status[i] & | |
483 | MPT3_DIAG_BUFFER_IS_RELEASED)) | |
484 | continue; | |
485 | ioc->diag_buffer_status[i] |= | |
486 | MPT3_DIAG_BUFFER_IS_DIAG_RESET; | |
487 | } | |
488 | break; | |
489 | } | |
490 | } | |
491 | ||
492 | /** | |
8a7e4c24 | 493 | * ctl_fasync - |
f92363d1 SR |
494 | * @fd - |
495 | * @filep - | |
496 | * @mode - | |
497 | * | |
498 | * Called when application request fasyn callback handler. | |
499 | */ | |
8a7e4c24 SR |
500 | int |
501 | ctl_fasync(int fd, struct file *filep, int mode) | |
f92363d1 SR |
502 | { |
503 | return fasync_helper(fd, filep, mode, &async_queue); | |
504 | } | |
505 | ||
f92363d1 | 506 | /** |
8a7e4c24 | 507 | * ctl_poll - |
f92363d1 SR |
508 | * @file - |
509 | * @wait - | |
510 | * | |
511 | */ | |
8a7e4c24 SR |
512 | unsigned int |
513 | ctl_poll(struct file *filep, poll_table *wait) | |
f92363d1 SR |
514 | { |
515 | struct MPT3SAS_ADAPTER *ioc; | |
516 | ||
517 | poll_wait(filep, &ctl_poll_wait, wait); | |
518 | ||
519 | list_for_each_entry(ioc, &mpt3sas_ioc_list, list) { | |
520 | if (ioc->aen_event_read_flag) | |
521 | return POLLIN | POLLRDNORM; | |
522 | } | |
523 | return 0; | |
524 | } | |
525 | ||
526 | /** | |
527 | * _ctl_set_task_mid - assign an active smid to tm request | |
528 | * @ioc: per adapter object | |
529 | * @karg - (struct mpt3_ioctl_command) | |
530 | * @tm_request - pointer to mf from user space | |
531 | * | |
532 | * Returns 0 when an smid if found, else fail. | |
533 | * during failure, the reply frame is filled. | |
534 | */ | |
535 | static int | |
536 | _ctl_set_task_mid(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command *karg, | |
537 | Mpi2SCSITaskManagementRequest_t *tm_request) | |
538 | { | |
539 | u8 found = 0; | |
540 | u16 i; | |
541 | u16 handle; | |
542 | struct scsi_cmnd *scmd; | |
543 | struct MPT3SAS_DEVICE *priv_data; | |
544 | unsigned long flags; | |
545 | Mpi2SCSITaskManagementReply_t *tm_reply; | |
546 | u32 sz; | |
547 | u32 lun; | |
548 | char *desc = NULL; | |
549 | ||
550 | if (tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK) | |
551 | desc = "abort_task"; | |
552 | else if (tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK) | |
553 | desc = "query_task"; | |
554 | else | |
555 | return 0; | |
556 | ||
557 | lun = scsilun_to_int((struct scsi_lun *)tm_request->LUN); | |
558 | ||
559 | handle = le16_to_cpu(tm_request->DevHandle); | |
560 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
561 | for (i = ioc->scsiio_depth; i && !found; i--) { | |
562 | scmd = ioc->scsi_lookup[i - 1].scmd; | |
563 | if (scmd == NULL || scmd->device == NULL || | |
564 | scmd->device->hostdata == NULL) | |
565 | continue; | |
566 | if (lun != scmd->device->lun) | |
567 | continue; | |
568 | priv_data = scmd->device->hostdata; | |
569 | if (priv_data->sas_target == NULL) | |
570 | continue; | |
571 | if (priv_data->sas_target->handle != handle) | |
572 | continue; | |
573 | tm_request->TaskMID = cpu_to_le16(ioc->scsi_lookup[i - 1].smid); | |
574 | found = 1; | |
575 | } | |
576 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
577 | ||
578 | if (!found) { | |
579 | dctlprintk(ioc, pr_info(MPT3SAS_FMT | |
580 | "%s: handle(0x%04x), lun(%d), no active mid!!\n", | |
581 | ioc->name, | |
582 | desc, le16_to_cpu(tm_request->DevHandle), lun)); | |
583 | tm_reply = ioc->ctl_cmds.reply; | |
584 | tm_reply->DevHandle = tm_request->DevHandle; | |
585 | tm_reply->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; | |
586 | tm_reply->TaskType = tm_request->TaskType; | |
587 | tm_reply->MsgLength = sizeof(Mpi2SCSITaskManagementReply_t)/4; | |
588 | tm_reply->VP_ID = tm_request->VP_ID; | |
589 | tm_reply->VF_ID = tm_request->VF_ID; | |
590 | sz = min_t(u32, karg->max_reply_bytes, ioc->reply_sz); | |
591 | if (copy_to_user(karg->reply_frame_buf_ptr, ioc->ctl_cmds.reply, | |
592 | sz)) | |
593 | pr_err("failure at %s:%d/%s()!\n", __FILE__, | |
594 | __LINE__, __func__); | |
595 | return 1; | |
596 | } | |
597 | ||
598 | dctlprintk(ioc, pr_info(MPT3SAS_FMT | |
599 | "%s: handle(0x%04x), lun(%d), task_mid(%d)\n", ioc->name, | |
600 | desc, le16_to_cpu(tm_request->DevHandle), lun, | |
601 | le16_to_cpu(tm_request->TaskMID))); | |
602 | return 0; | |
603 | } | |
604 | ||
605 | /** | |
606 | * _ctl_do_mpt_command - main handler for MPT3COMMAND opcode | |
607 | * @ioc: per adapter object | |
608 | * @karg - (struct mpt3_ioctl_command) | |
609 | * @mf - pointer to mf in user space | |
610 | */ | |
611 | static long | |
612 | _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, | |
613 | void __user *mf) | |
614 | { | |
615 | MPI2RequestHeader_t *mpi_request = NULL, *request; | |
616 | MPI2DefaultReply_t *mpi_reply; | |
617 | u32 ioc_state; | |
618 | u16 ioc_status; | |
619 | u16 smid; | |
620 | unsigned long timeout, timeleft; | |
621 | u8 issue_reset; | |
622 | u32 sz; | |
623 | void *psge; | |
624 | void *data_out = NULL; | |
625 | dma_addr_t data_out_dma = 0; | |
626 | size_t data_out_sz = 0; | |
627 | void *data_in = NULL; | |
628 | dma_addr_t data_in_dma = 0; | |
629 | size_t data_in_sz = 0; | |
630 | long ret; | |
631 | u16 wait_state_count; | |
632 | ||
633 | issue_reset = 0; | |
634 | ||
635 | if (ioc->ctl_cmds.status != MPT3_CMD_NOT_USED) { | |
636 | pr_err(MPT3SAS_FMT "%s: ctl_cmd in use\n", | |
637 | ioc->name, __func__); | |
638 | ret = -EAGAIN; | |
639 | goto out; | |
640 | } | |
641 | ||
642 | wait_state_count = 0; | |
643 | ioc_state = mpt3sas_base_get_iocstate(ioc, 1); | |
644 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
645 | if (wait_state_count++ == 10) { | |
646 | pr_err(MPT3SAS_FMT | |
647 | "%s: failed due to ioc not operational\n", | |
648 | ioc->name, __func__); | |
649 | ret = -EFAULT; | |
650 | goto out; | |
651 | } | |
652 | ssleep(1); | |
653 | ioc_state = mpt3sas_base_get_iocstate(ioc, 1); | |
654 | pr_info(MPT3SAS_FMT | |
655 | "%s: waiting for operational state(count=%d)\n", | |
656 | ioc->name, | |
657 | __func__, wait_state_count); | |
658 | } | |
659 | if (wait_state_count) | |
660 | pr_info(MPT3SAS_FMT "%s: ioc is operational\n", | |
661 | ioc->name, __func__); | |
662 | ||
663 | mpi_request = kzalloc(ioc->request_sz, GFP_KERNEL); | |
664 | if (!mpi_request) { | |
665 | pr_err(MPT3SAS_FMT | |
666 | "%s: failed obtaining a memory for mpi_request\n", | |
667 | ioc->name, __func__); | |
668 | ret = -ENOMEM; | |
669 | goto out; | |
670 | } | |
671 | ||
672 | /* Check for overflow and wraparound */ | |
673 | if (karg.data_sge_offset * 4 > ioc->request_sz || | |
674 | karg.data_sge_offset > (UINT_MAX / 4)) { | |
675 | ret = -EINVAL; | |
676 | goto out; | |
677 | } | |
678 | ||
679 | /* copy in request message frame from user */ | |
680 | if (copy_from_user(mpi_request, mf, karg.data_sge_offset*4)) { | |
681 | pr_err("failure at %s:%d/%s()!\n", __FILE__, __LINE__, | |
682 | __func__); | |
683 | ret = -EFAULT; | |
684 | goto out; | |
685 | } | |
686 | ||
687 | if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) { | |
688 | smid = mpt3sas_base_get_smid_hpr(ioc, ioc->ctl_cb_idx); | |
689 | if (!smid) { | |
690 | pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", | |
691 | ioc->name, __func__); | |
692 | ret = -EAGAIN; | |
693 | goto out; | |
694 | } | |
695 | } else { | |
696 | ||
697 | smid = mpt3sas_base_get_smid_scsiio(ioc, ioc->ctl_cb_idx, NULL); | |
698 | if (!smid) { | |
699 | pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", | |
700 | ioc->name, __func__); | |
701 | ret = -EAGAIN; | |
702 | goto out; | |
703 | } | |
704 | } | |
705 | ||
706 | ret = 0; | |
707 | ioc->ctl_cmds.status = MPT3_CMD_PENDING; | |
708 | memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); | |
709 | request = mpt3sas_base_get_msg_frame(ioc, smid); | |
710 | memcpy(request, mpi_request, karg.data_sge_offset*4); | |
711 | ioc->ctl_cmds.smid = smid; | |
712 | data_out_sz = karg.data_out_size; | |
713 | data_in_sz = karg.data_in_size; | |
714 | ||
715 | if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || | |
716 | mpi_request->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) { | |
717 | if (!le16_to_cpu(mpi_request->FunctionDependent1) || | |
718 | le16_to_cpu(mpi_request->FunctionDependent1) > | |
719 | ioc->facts.MaxDevHandle) { | |
720 | ret = -EINVAL; | |
721 | mpt3sas_base_free_smid(ioc, smid); | |
722 | goto out; | |
723 | } | |
724 | } | |
725 | ||
726 | /* obtain dma-able memory for data transfer */ | |
727 | if (data_out_sz) /* WRITE */ { | |
728 | data_out = pci_alloc_consistent(ioc->pdev, data_out_sz, | |
729 | &data_out_dma); | |
730 | if (!data_out) { | |
731 | pr_err("failure at %s:%d/%s()!\n", __FILE__, | |
732 | __LINE__, __func__); | |
733 | ret = -ENOMEM; | |
734 | mpt3sas_base_free_smid(ioc, smid); | |
735 | goto out; | |
736 | } | |
737 | if (copy_from_user(data_out, karg.data_out_buf_ptr, | |
738 | data_out_sz)) { | |
739 | pr_err("failure at %s:%d/%s()!\n", __FILE__, | |
740 | __LINE__, __func__); | |
741 | ret = -EFAULT; | |
742 | mpt3sas_base_free_smid(ioc, smid); | |
743 | goto out; | |
744 | } | |
745 | } | |
746 | ||
747 | if (data_in_sz) /* READ */ { | |
748 | data_in = pci_alloc_consistent(ioc->pdev, data_in_sz, | |
749 | &data_in_dma); | |
750 | if (!data_in) { | |
751 | pr_err("failure at %s:%d/%s()!\n", __FILE__, | |
752 | __LINE__, __func__); | |
753 | ret = -ENOMEM; | |
754 | mpt3sas_base_free_smid(ioc, smid); | |
755 | goto out; | |
756 | } | |
757 | } | |
758 | ||
759 | psge = (void *)request + (karg.data_sge_offset*4); | |
760 | ||
761 | /* send command to firmware */ | |
762 | #ifdef CONFIG_SCSI_MPT3SAS_LOGGING | |
763 | _ctl_display_some_debug(ioc, smid, "ctl_request", NULL); | |
764 | #endif | |
765 | ||
766 | init_completion(&ioc->ctl_cmds.done); | |
767 | switch (mpi_request->Function) { | |
768 | case MPI2_FUNCTION_SCSI_IO_REQUEST: | |
769 | case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: | |
770 | { | |
771 | Mpi2SCSIIORequest_t *scsiio_request = | |
772 | (Mpi2SCSIIORequest_t *)request; | |
773 | scsiio_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE; | |
774 | scsiio_request->SenseBufferLowAddress = | |
775 | mpt3sas_base_get_sense_buffer_dma(ioc, smid); | |
776 | memset(ioc->ctl_cmds.sense, 0, SCSI_SENSE_BUFFERSIZE); | |
777 | ioc->build_sg(ioc, psge, data_out_dma, data_out_sz, | |
778 | data_in_dma, data_in_sz); | |
779 | ||
780 | if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST) | |
781 | mpt3sas_base_put_smid_scsi_io(ioc, smid, | |
782 | le16_to_cpu(mpi_request->FunctionDependent1)); | |
783 | else | |
784 | mpt3sas_base_put_smid_default(ioc, smid); | |
785 | break; | |
786 | } | |
787 | case MPI2_FUNCTION_SCSI_TASK_MGMT: | |
788 | { | |
789 | Mpi2SCSITaskManagementRequest_t *tm_request = | |
790 | (Mpi2SCSITaskManagementRequest_t *)request; | |
791 | ||
792 | dtmprintk(ioc, pr_info(MPT3SAS_FMT | |
793 | "TASK_MGMT: handle(0x%04x), task_type(0x%02x)\n", | |
794 | ioc->name, | |
795 | le16_to_cpu(tm_request->DevHandle), tm_request->TaskType)); | |
796 | ||
797 | if (tm_request->TaskType == | |
798 | MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK || | |
799 | tm_request->TaskType == | |
800 | MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK) { | |
801 | if (_ctl_set_task_mid(ioc, &karg, tm_request)) { | |
802 | mpt3sas_base_free_smid(ioc, smid); | |
803 | goto out; | |
804 | } | |
805 | } | |
806 | ||
807 | mpt3sas_scsih_set_tm_flag(ioc, le16_to_cpu( | |
808 | tm_request->DevHandle)); | |
809 | ioc->build_sg_mpi(ioc, psge, data_out_dma, data_out_sz, | |
810 | data_in_dma, data_in_sz); | |
811 | mpt3sas_base_put_smid_hi_priority(ioc, smid); | |
812 | break; | |
813 | } | |
814 | case MPI2_FUNCTION_SMP_PASSTHROUGH: | |
815 | { | |
816 | Mpi2SmpPassthroughRequest_t *smp_request = | |
817 | (Mpi2SmpPassthroughRequest_t *)mpi_request; | |
818 | u8 *data; | |
819 | ||
820 | /* ioc determines which port to use */ | |
821 | smp_request->PhysicalPort = 0xFF; | |
822 | if (smp_request->PassthroughFlags & | |
823 | MPI2_SMP_PT_REQ_PT_FLAGS_IMMEDIATE) | |
824 | data = (u8 *)&smp_request->SGL; | |
825 | else { | |
826 | if (unlikely(data_out == NULL)) { | |
827 | pr_err("failure at %s:%d/%s()!\n", | |
828 | __FILE__, __LINE__, __func__); | |
829 | mpt3sas_base_free_smid(ioc, smid); | |
830 | ret = -EINVAL; | |
831 | goto out; | |
832 | } | |
833 | data = data_out; | |
834 | } | |
835 | ||
836 | if (data[1] == 0x91 && (data[10] == 1 || data[10] == 2)) { | |
837 | ioc->ioc_link_reset_in_progress = 1; | |
838 | ioc->ignore_loginfos = 1; | |
839 | } | |
840 | ioc->build_sg(ioc, psge, data_out_dma, data_out_sz, data_in_dma, | |
841 | data_in_sz); | |
842 | mpt3sas_base_put_smid_default(ioc, smid); | |
843 | break; | |
844 | } | |
845 | case MPI2_FUNCTION_SATA_PASSTHROUGH: | |
846 | case MPI2_FUNCTION_FW_DOWNLOAD: | |
847 | case MPI2_FUNCTION_FW_UPLOAD: | |
848 | { | |
849 | ioc->build_sg(ioc, psge, data_out_dma, data_out_sz, data_in_dma, | |
850 | data_in_sz); | |
851 | mpt3sas_base_put_smid_default(ioc, smid); | |
852 | break; | |
853 | } | |
854 | case MPI2_FUNCTION_TOOLBOX: | |
855 | { | |
856 | Mpi2ToolboxCleanRequest_t *toolbox_request = | |
857 | (Mpi2ToolboxCleanRequest_t *)mpi_request; | |
858 | ||
859 | if (toolbox_request->Tool == MPI2_TOOLBOX_DIAGNOSTIC_CLI_TOOL) { | |
860 | ioc->build_sg(ioc, psge, data_out_dma, data_out_sz, | |
861 | data_in_dma, data_in_sz); | |
862 | } else { | |
863 | ioc->build_sg_mpi(ioc, psge, data_out_dma, data_out_sz, | |
864 | data_in_dma, data_in_sz); | |
865 | } | |
866 | mpt3sas_base_put_smid_default(ioc, smid); | |
867 | break; | |
868 | } | |
869 | case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL: | |
870 | { | |
871 | Mpi2SasIoUnitControlRequest_t *sasiounit_request = | |
872 | (Mpi2SasIoUnitControlRequest_t *)mpi_request; | |
873 | ||
874 | if (sasiounit_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET | |
875 | || sasiounit_request->Operation == | |
876 | MPI2_SAS_OP_PHY_LINK_RESET) { | |
877 | ioc->ioc_link_reset_in_progress = 1; | |
878 | ioc->ignore_loginfos = 1; | |
879 | } | |
880 | /* drop to default case for posting the request */ | |
881 | } | |
882 | default: | |
883 | ioc->build_sg_mpi(ioc, psge, data_out_dma, data_out_sz, | |
884 | data_in_dma, data_in_sz); | |
885 | mpt3sas_base_put_smid_default(ioc, smid); | |
886 | break; | |
887 | } | |
888 | ||
889 | if (karg.timeout < MPT3_IOCTL_DEFAULT_TIMEOUT) | |
890 | timeout = MPT3_IOCTL_DEFAULT_TIMEOUT; | |
891 | else | |
892 | timeout = karg.timeout; | |
893 | timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, | |
894 | timeout*HZ); | |
895 | if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) { | |
896 | Mpi2SCSITaskManagementRequest_t *tm_request = | |
897 | (Mpi2SCSITaskManagementRequest_t *)mpi_request; | |
898 | mpt3sas_scsih_clear_tm_flag(ioc, le16_to_cpu( | |
899 | tm_request->DevHandle)); | |
900 | mpt3sas_trigger_master(ioc, MASTER_TRIGGER_TASK_MANAGMENT); | |
901 | } else if ((mpi_request->Function == MPI2_FUNCTION_SMP_PASSTHROUGH || | |
902 | mpi_request->Function == MPI2_FUNCTION_SAS_IO_UNIT_CONTROL) && | |
903 | ioc->ioc_link_reset_in_progress) { | |
904 | ioc->ioc_link_reset_in_progress = 0; | |
905 | ioc->ignore_loginfos = 0; | |
906 | } | |
907 | if (!(ioc->ctl_cmds.status & MPT3_CMD_COMPLETE)) { | |
908 | pr_err(MPT3SAS_FMT "%s: timeout\n", ioc->name, | |
909 | __func__); | |
910 | _debug_dump_mf(mpi_request, karg.data_sge_offset); | |
911 | if (!(ioc->ctl_cmds.status & MPT3_CMD_RESET)) | |
912 | issue_reset = 1; | |
913 | goto issue_host_reset; | |
914 | } | |
915 | ||
916 | mpi_reply = ioc->ctl_cmds.reply; | |
917 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; | |
918 | ||
919 | #ifdef CONFIG_SCSI_MPT3SAS_LOGGING | |
920 | if (mpi_reply->Function == MPI2_FUNCTION_SCSI_TASK_MGMT && | |
921 | (ioc->logging_level & MPT_DEBUG_TM)) { | |
922 | Mpi2SCSITaskManagementReply_t *tm_reply = | |
923 | (Mpi2SCSITaskManagementReply_t *)mpi_reply; | |
924 | ||
925 | pr_info(MPT3SAS_FMT "TASK_MGMT: " \ | |
926 | "IOCStatus(0x%04x), IOCLogInfo(0x%08x), " | |
927 | "TerminationCount(0x%08x)\n", ioc->name, | |
928 | le16_to_cpu(tm_reply->IOCStatus), | |
929 | le32_to_cpu(tm_reply->IOCLogInfo), | |
930 | le32_to_cpu(tm_reply->TerminationCount)); | |
931 | } | |
932 | #endif | |
933 | /* copy out xdata to user */ | |
934 | if (data_in_sz) { | |
935 | if (copy_to_user(karg.data_in_buf_ptr, data_in, | |
936 | data_in_sz)) { | |
937 | pr_err("failure at %s:%d/%s()!\n", __FILE__, | |
938 | __LINE__, __func__); | |
939 | ret = -ENODATA; | |
940 | goto out; | |
941 | } | |
942 | } | |
943 | ||
944 | /* copy out reply message frame to user */ | |
945 | if (karg.max_reply_bytes) { | |
946 | sz = min_t(u32, karg.max_reply_bytes, ioc->reply_sz); | |
947 | if (copy_to_user(karg.reply_frame_buf_ptr, ioc->ctl_cmds.reply, | |
948 | sz)) { | |
949 | pr_err("failure at %s:%d/%s()!\n", __FILE__, | |
950 | __LINE__, __func__); | |
951 | ret = -ENODATA; | |
952 | goto out; | |
953 | } | |
954 | } | |
955 | ||
956 | /* copy out sense to user */ | |
957 | if (karg.max_sense_bytes && (mpi_request->Function == | |
958 | MPI2_FUNCTION_SCSI_IO_REQUEST || mpi_request->Function == | |
959 | MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) { | |
960 | sz = min_t(u32, karg.max_sense_bytes, SCSI_SENSE_BUFFERSIZE); | |
961 | if (copy_to_user(karg.sense_data_ptr, ioc->ctl_cmds.sense, | |
962 | sz)) { | |
963 | pr_err("failure at %s:%d/%s()!\n", __FILE__, | |
964 | __LINE__, __func__); | |
965 | ret = -ENODATA; | |
966 | goto out; | |
967 | } | |
968 | } | |
969 | ||
970 | issue_host_reset: | |
971 | if (issue_reset) { | |
972 | ret = -ENODATA; | |
973 | if ((mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || | |
974 | mpi_request->Function == | |
975 | MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH || | |
976 | mpi_request->Function == MPI2_FUNCTION_SATA_PASSTHROUGH)) { | |
977 | pr_info(MPT3SAS_FMT "issue target reset: handle = (0x%04x)\n", | |
978 | ioc->name, | |
979 | le16_to_cpu(mpi_request->FunctionDependent1)); | |
980 | mpt3sas_halt_firmware(ioc); | |
981 | mpt3sas_scsih_issue_tm(ioc, | |
982 | le16_to_cpu(mpi_request->FunctionDependent1), 0, 0, | |
983 | 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 30, | |
c62e46de | 984 | TM_MUTEX_ON); |
f92363d1 SR |
985 | } else |
986 | mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
987 | FORCE_BIG_HAMMER); | |
988 | } | |
989 | ||
990 | out: | |
991 | ||
992 | /* free memory associated with sg buffers */ | |
993 | if (data_in) | |
994 | pci_free_consistent(ioc->pdev, data_in_sz, data_in, | |
995 | data_in_dma); | |
996 | ||
997 | if (data_out) | |
998 | pci_free_consistent(ioc->pdev, data_out_sz, data_out, | |
999 | data_out_dma); | |
1000 | ||
1001 | kfree(mpi_request); | |
1002 | ioc->ctl_cmds.status = MPT3_CMD_NOT_USED; | |
1003 | return ret; | |
1004 | } | |
1005 | ||
1006 | /** | |
1007 | * _ctl_getiocinfo - main handler for MPT3IOCINFO opcode | |
1008 | * @ioc: per adapter object | |
1009 | * @arg - user space buffer containing ioctl content | |
1010 | */ | |
1011 | static long | |
1012 | _ctl_getiocinfo(struct MPT3SAS_ADAPTER *ioc, void __user *arg) | |
1013 | { | |
1014 | struct mpt3_ioctl_iocinfo karg; | |
1015 | ||
1016 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1017 | pr_err("failure at %s:%d/%s()!\n", | |
1018 | __FILE__, __LINE__, __func__); | |
1019 | return -EFAULT; | |
1020 | } | |
1021 | ||
1022 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s: enter\n", ioc->name, | |
1023 | __func__)); | |
1024 | ||
1025 | memset(&karg, 0 , sizeof(karg)); | |
1026 | karg.adapter_type = MPT3_IOCTL_INTERFACE_SAS3; | |
1027 | if (ioc->pfacts) | |
1028 | karg.port_number = ioc->pfacts[0].PortNumber; | |
1029 | karg.hw_rev = ioc->pdev->revision; | |
1030 | karg.pci_id = ioc->pdev->device; | |
1031 | karg.subsystem_device = ioc->pdev->subsystem_device; | |
1032 | karg.subsystem_vendor = ioc->pdev->subsystem_vendor; | |
1033 | karg.pci_information.u.bits.bus = ioc->pdev->bus->number; | |
1034 | karg.pci_information.u.bits.device = PCI_SLOT(ioc->pdev->devfn); | |
1035 | karg.pci_information.u.bits.function = PCI_FUNC(ioc->pdev->devfn); | |
1036 | karg.pci_information.segment_id = pci_domain_nr(ioc->pdev->bus); | |
1037 | karg.firmware_version = ioc->facts.FWVersion.Word; | |
1038 | strcpy(karg.driver_version, MPT3SAS_DRIVER_NAME); | |
1039 | strcat(karg.driver_version, "-"); | |
1040 | strcat(karg.driver_version, MPT3SAS_DRIVER_VERSION); | |
1041 | karg.bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion); | |
1042 | ||
1043 | if (copy_to_user(arg, &karg, sizeof(karg))) { | |
1044 | pr_err("failure at %s:%d/%s()!\n", | |
1045 | __FILE__, __LINE__, __func__); | |
1046 | return -EFAULT; | |
1047 | } | |
1048 | return 0; | |
1049 | } | |
1050 | ||
1051 | /** | |
1052 | * _ctl_eventquery - main handler for MPT3EVENTQUERY opcode | |
1053 | * @ioc: per adapter object | |
1054 | * @arg - user space buffer containing ioctl content | |
1055 | */ | |
1056 | static long | |
1057 | _ctl_eventquery(struct MPT3SAS_ADAPTER *ioc, void __user *arg) | |
1058 | { | |
1059 | struct mpt3_ioctl_eventquery karg; | |
1060 | ||
1061 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1062 | pr_err("failure at %s:%d/%s()!\n", | |
1063 | __FILE__, __LINE__, __func__); | |
1064 | return -EFAULT; | |
1065 | } | |
1066 | ||
1067 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s: enter\n", ioc->name, | |
1068 | __func__)); | |
1069 | ||
1070 | karg.event_entries = MPT3SAS_CTL_EVENT_LOG_SIZE; | |
1071 | memcpy(karg.event_types, ioc->event_type, | |
1072 | MPI2_EVENT_NOTIFY_EVENTMASK_WORDS * sizeof(u32)); | |
1073 | ||
1074 | if (copy_to_user(arg, &karg, sizeof(karg))) { | |
1075 | pr_err("failure at %s:%d/%s()!\n", | |
1076 | __FILE__, __LINE__, __func__); | |
1077 | return -EFAULT; | |
1078 | } | |
1079 | return 0; | |
1080 | } | |
1081 | ||
1082 | /** | |
1083 | * _ctl_eventenable - main handler for MPT3EVENTENABLE opcode | |
1084 | * @ioc: per adapter object | |
1085 | * @arg - user space buffer containing ioctl content | |
1086 | */ | |
1087 | static long | |
1088 | _ctl_eventenable(struct MPT3SAS_ADAPTER *ioc, void __user *arg) | |
1089 | { | |
1090 | struct mpt3_ioctl_eventenable karg; | |
1091 | ||
1092 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1093 | pr_err("failure at %s:%d/%s()!\n", | |
1094 | __FILE__, __LINE__, __func__); | |
1095 | return -EFAULT; | |
1096 | } | |
1097 | ||
1098 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s: enter\n", ioc->name, | |
1099 | __func__)); | |
1100 | ||
1101 | memcpy(ioc->event_type, karg.event_types, | |
1102 | MPI2_EVENT_NOTIFY_EVENTMASK_WORDS * sizeof(u32)); | |
1103 | mpt3sas_base_validate_event_type(ioc, ioc->event_type); | |
1104 | ||
1105 | if (ioc->event_log) | |
1106 | return 0; | |
1107 | /* initialize event_log */ | |
1108 | ioc->event_context = 0; | |
1109 | ioc->aen_event_read_flag = 0; | |
1110 | ioc->event_log = kcalloc(MPT3SAS_CTL_EVENT_LOG_SIZE, | |
1111 | sizeof(struct MPT3_IOCTL_EVENTS), GFP_KERNEL); | |
1112 | if (!ioc->event_log) { | |
1113 | pr_err("failure at %s:%d/%s()!\n", | |
1114 | __FILE__, __LINE__, __func__); | |
1115 | return -ENOMEM; | |
1116 | } | |
1117 | return 0; | |
1118 | } | |
1119 | ||
1120 | /** | |
1121 | * _ctl_eventreport - main handler for MPT3EVENTREPORT opcode | |
1122 | * @ioc: per adapter object | |
1123 | * @arg - user space buffer containing ioctl content | |
1124 | */ | |
1125 | static long | |
1126 | _ctl_eventreport(struct MPT3SAS_ADAPTER *ioc, void __user *arg) | |
1127 | { | |
1128 | struct mpt3_ioctl_eventreport karg; | |
1129 | u32 number_bytes, max_events, max; | |
1130 | struct mpt3_ioctl_eventreport __user *uarg = arg; | |
1131 | ||
1132 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1133 | pr_err("failure at %s:%d/%s()!\n", | |
1134 | __FILE__, __LINE__, __func__); | |
1135 | return -EFAULT; | |
1136 | } | |
1137 | ||
1138 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s: enter\n", ioc->name, | |
1139 | __func__)); | |
1140 | ||
1141 | number_bytes = karg.hdr.max_data_size - | |
1142 | sizeof(struct mpt3_ioctl_header); | |
1143 | max_events = number_bytes/sizeof(struct MPT3_IOCTL_EVENTS); | |
1144 | max = min_t(u32, MPT3SAS_CTL_EVENT_LOG_SIZE, max_events); | |
1145 | ||
1146 | /* If fewer than 1 event is requested, there must have | |
1147 | * been some type of error. | |
1148 | */ | |
1149 | if (!max || !ioc->event_log) | |
1150 | return -ENODATA; | |
1151 | ||
1152 | number_bytes = max * sizeof(struct MPT3_IOCTL_EVENTS); | |
1153 | if (copy_to_user(uarg->event_data, ioc->event_log, number_bytes)) { | |
1154 | pr_err("failure at %s:%d/%s()!\n", | |
1155 | __FILE__, __LINE__, __func__); | |
1156 | return -EFAULT; | |
1157 | } | |
1158 | ||
1159 | /* reset flag so SIGIO can restart */ | |
1160 | ioc->aen_event_read_flag = 0; | |
1161 | return 0; | |
1162 | } | |
1163 | ||
1164 | /** | |
1165 | * _ctl_do_reset - main handler for MPT3HARDRESET opcode | |
1166 | * @ioc: per adapter object | |
1167 | * @arg - user space buffer containing ioctl content | |
1168 | */ | |
1169 | static long | |
1170 | _ctl_do_reset(struct MPT3SAS_ADAPTER *ioc, void __user *arg) | |
1171 | { | |
1172 | struct mpt3_ioctl_diag_reset karg; | |
1173 | int retval; | |
1174 | ||
1175 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1176 | pr_err("failure at %s:%d/%s()!\n", | |
1177 | __FILE__, __LINE__, __func__); | |
1178 | return -EFAULT; | |
1179 | } | |
1180 | ||
1181 | if (ioc->shost_recovery || ioc->pci_error_recovery || | |
1182 | ioc->is_driver_loading) | |
1183 | return -EAGAIN; | |
1184 | ||
1185 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s: enter\n", ioc->name, | |
1186 | __func__)); | |
1187 | ||
1188 | retval = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
1189 | FORCE_BIG_HAMMER); | |
1190 | pr_info(MPT3SAS_FMT "host reset: %s\n", | |
1191 | ioc->name, ((!retval) ? "SUCCESS" : "FAILED")); | |
1192 | return 0; | |
1193 | } | |
1194 | ||
1195 | /** | |
1196 | * _ctl_btdh_search_sas_device - searching for sas device | |
1197 | * @ioc: per adapter object | |
1198 | * @btdh: btdh ioctl payload | |
1199 | */ | |
1200 | static int | |
1201 | _ctl_btdh_search_sas_device(struct MPT3SAS_ADAPTER *ioc, | |
1202 | struct mpt3_ioctl_btdh_mapping *btdh) | |
1203 | { | |
1204 | struct _sas_device *sas_device; | |
1205 | unsigned long flags; | |
1206 | int rc = 0; | |
1207 | ||
1208 | if (list_empty(&ioc->sas_device_list)) | |
1209 | return rc; | |
1210 | ||
1211 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
1212 | list_for_each_entry(sas_device, &ioc->sas_device_list, list) { | |
1213 | if (btdh->bus == 0xFFFFFFFF && btdh->id == 0xFFFFFFFF && | |
1214 | btdh->handle == sas_device->handle) { | |
1215 | btdh->bus = sas_device->channel; | |
1216 | btdh->id = sas_device->id; | |
1217 | rc = 1; | |
1218 | goto out; | |
1219 | } else if (btdh->bus == sas_device->channel && btdh->id == | |
1220 | sas_device->id && btdh->handle == 0xFFFF) { | |
1221 | btdh->handle = sas_device->handle; | |
1222 | rc = 1; | |
1223 | goto out; | |
1224 | } | |
1225 | } | |
1226 | out: | |
1227 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
1228 | return rc; | |
1229 | } | |
1230 | ||
1231 | /** | |
1232 | * _ctl_btdh_search_raid_device - searching for raid device | |
1233 | * @ioc: per adapter object | |
1234 | * @btdh: btdh ioctl payload | |
1235 | */ | |
1236 | static int | |
1237 | _ctl_btdh_search_raid_device(struct MPT3SAS_ADAPTER *ioc, | |
1238 | struct mpt3_ioctl_btdh_mapping *btdh) | |
1239 | { | |
1240 | struct _raid_device *raid_device; | |
1241 | unsigned long flags; | |
1242 | int rc = 0; | |
1243 | ||
1244 | if (list_empty(&ioc->raid_device_list)) | |
1245 | return rc; | |
1246 | ||
1247 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1248 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { | |
1249 | if (btdh->bus == 0xFFFFFFFF && btdh->id == 0xFFFFFFFF && | |
1250 | btdh->handle == raid_device->handle) { | |
1251 | btdh->bus = raid_device->channel; | |
1252 | btdh->id = raid_device->id; | |
1253 | rc = 1; | |
1254 | goto out; | |
1255 | } else if (btdh->bus == raid_device->channel && btdh->id == | |
1256 | raid_device->id && btdh->handle == 0xFFFF) { | |
1257 | btdh->handle = raid_device->handle; | |
1258 | rc = 1; | |
1259 | goto out; | |
1260 | } | |
1261 | } | |
1262 | out: | |
1263 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
1264 | return rc; | |
1265 | } | |
1266 | ||
1267 | /** | |
1268 | * _ctl_btdh_mapping - main handler for MPT3BTDHMAPPING opcode | |
1269 | * @ioc: per adapter object | |
1270 | * @arg - user space buffer containing ioctl content | |
1271 | */ | |
1272 | static long | |
1273 | _ctl_btdh_mapping(struct MPT3SAS_ADAPTER *ioc, void __user *arg) | |
1274 | { | |
1275 | struct mpt3_ioctl_btdh_mapping karg; | |
1276 | int rc; | |
1277 | ||
1278 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1279 | pr_err("failure at %s:%d/%s()!\n", | |
1280 | __FILE__, __LINE__, __func__); | |
1281 | return -EFAULT; | |
1282 | } | |
1283 | ||
1284 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
1285 | __func__)); | |
1286 | ||
1287 | rc = _ctl_btdh_search_sas_device(ioc, &karg); | |
1288 | if (!rc) | |
1289 | _ctl_btdh_search_raid_device(ioc, &karg); | |
1290 | ||
1291 | if (copy_to_user(arg, &karg, sizeof(karg))) { | |
1292 | pr_err("failure at %s:%d/%s()!\n", | |
1293 | __FILE__, __LINE__, __func__); | |
1294 | return -EFAULT; | |
1295 | } | |
1296 | return 0; | |
1297 | } | |
1298 | ||
1299 | /** | |
1300 | * _ctl_diag_capability - return diag buffer capability | |
1301 | * @ioc: per adapter object | |
1302 | * @buffer_type: specifies either TRACE, SNAPSHOT, or EXTENDED | |
1303 | * | |
1304 | * returns 1 when diag buffer support is enabled in firmware | |
1305 | */ | |
1306 | static u8 | |
1307 | _ctl_diag_capability(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type) | |
1308 | { | |
1309 | u8 rc = 0; | |
1310 | ||
1311 | switch (buffer_type) { | |
1312 | case MPI2_DIAG_BUF_TYPE_TRACE: | |
1313 | if (ioc->facts.IOCCapabilities & | |
1314 | MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER) | |
1315 | rc = 1; | |
1316 | break; | |
1317 | case MPI2_DIAG_BUF_TYPE_SNAPSHOT: | |
1318 | if (ioc->facts.IOCCapabilities & | |
1319 | MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER) | |
1320 | rc = 1; | |
1321 | break; | |
1322 | case MPI2_DIAG_BUF_TYPE_EXTENDED: | |
1323 | if (ioc->facts.IOCCapabilities & | |
1324 | MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER) | |
1325 | rc = 1; | |
1326 | } | |
1327 | ||
1328 | return rc; | |
1329 | } | |
1330 | ||
1331 | ||
1332 | /** | |
1333 | * _ctl_diag_register_2 - wrapper for registering diag buffer support | |
1334 | * @ioc: per adapter object | |
1335 | * @diag_register: the diag_register struct passed in from user space | |
1336 | * | |
1337 | */ | |
1338 | static long | |
1339 | _ctl_diag_register_2(struct MPT3SAS_ADAPTER *ioc, | |
1340 | struct mpt3_diag_register *diag_register) | |
1341 | { | |
1342 | int rc, i; | |
1343 | void *request_data = NULL; | |
1344 | dma_addr_t request_data_dma; | |
1345 | u32 request_data_sz = 0; | |
1346 | Mpi2DiagBufferPostRequest_t *mpi_request; | |
1347 | Mpi2DiagBufferPostReply_t *mpi_reply; | |
1348 | u8 buffer_type; | |
1349 | unsigned long timeleft; | |
1350 | u16 smid; | |
1351 | u16 ioc_status; | |
1352 | u32 ioc_state; | |
1353 | u8 issue_reset = 0; | |
1354 | ||
1355 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
1356 | __func__)); | |
1357 | ||
1358 | ioc_state = mpt3sas_base_get_iocstate(ioc, 1); | |
1359 | if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
1360 | pr_err(MPT3SAS_FMT | |
1361 | "%s: failed due to ioc not operational\n", | |
1362 | ioc->name, __func__); | |
1363 | rc = -EAGAIN; | |
1364 | goto out; | |
1365 | } | |
1366 | ||
1367 | if (ioc->ctl_cmds.status != MPT3_CMD_NOT_USED) { | |
1368 | pr_err(MPT3SAS_FMT "%s: ctl_cmd in use\n", | |
1369 | ioc->name, __func__); | |
1370 | rc = -EAGAIN; | |
1371 | goto out; | |
1372 | } | |
1373 | ||
1374 | buffer_type = diag_register->buffer_type; | |
1375 | if (!_ctl_diag_capability(ioc, buffer_type)) { | |
1376 | pr_err(MPT3SAS_FMT | |
1377 | "%s: doesn't have capability for buffer_type(0x%02x)\n", | |
1378 | ioc->name, __func__, buffer_type); | |
1379 | return -EPERM; | |
1380 | } | |
1381 | ||
1382 | if (ioc->diag_buffer_status[buffer_type] & | |
1383 | MPT3_DIAG_BUFFER_IS_REGISTERED) { | |
1384 | pr_err(MPT3SAS_FMT | |
1385 | "%s: already has a registered buffer for buffer_type(0x%02x)\n", | |
1386 | ioc->name, __func__, | |
1387 | buffer_type); | |
1388 | return -EINVAL; | |
1389 | } | |
1390 | ||
1391 | if (diag_register->requested_buffer_size % 4) { | |
1392 | pr_err(MPT3SAS_FMT | |
1393 | "%s: the requested_buffer_size is not 4 byte aligned\n", | |
1394 | ioc->name, __func__); | |
1395 | return -EINVAL; | |
1396 | } | |
1397 | ||
1398 | smid = mpt3sas_base_get_smid(ioc, ioc->ctl_cb_idx); | |
1399 | if (!smid) { | |
1400 | pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", | |
1401 | ioc->name, __func__); | |
1402 | rc = -EAGAIN; | |
1403 | goto out; | |
1404 | } | |
1405 | ||
1406 | rc = 0; | |
1407 | ioc->ctl_cmds.status = MPT3_CMD_PENDING; | |
1408 | memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); | |
1409 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); | |
1410 | ioc->ctl_cmds.smid = smid; | |
1411 | ||
1412 | request_data = ioc->diag_buffer[buffer_type]; | |
1413 | request_data_sz = diag_register->requested_buffer_size; | |
1414 | ioc->unique_id[buffer_type] = diag_register->unique_id; | |
1415 | ioc->diag_buffer_status[buffer_type] = 0; | |
1416 | memcpy(ioc->product_specific[buffer_type], | |
1417 | diag_register->product_specific, MPT3_PRODUCT_SPECIFIC_DWORDS); | |
1418 | ioc->diagnostic_flags[buffer_type] = diag_register->diagnostic_flags; | |
1419 | ||
1420 | if (request_data) { | |
1421 | request_data_dma = ioc->diag_buffer_dma[buffer_type]; | |
1422 | if (request_data_sz != ioc->diag_buffer_sz[buffer_type]) { | |
1423 | pci_free_consistent(ioc->pdev, | |
1424 | ioc->diag_buffer_sz[buffer_type], | |
1425 | request_data, request_data_dma); | |
1426 | request_data = NULL; | |
1427 | } | |
1428 | } | |
1429 | ||
1430 | if (request_data == NULL) { | |
1431 | ioc->diag_buffer_sz[buffer_type] = 0; | |
1432 | ioc->diag_buffer_dma[buffer_type] = 0; | |
1433 | request_data = pci_alloc_consistent( | |
1434 | ioc->pdev, request_data_sz, &request_data_dma); | |
1435 | if (request_data == NULL) { | |
1436 | pr_err(MPT3SAS_FMT "%s: failed allocating memory" \ | |
1437 | " for diag buffers, requested size(%d)\n", | |
1438 | ioc->name, __func__, request_data_sz); | |
1439 | mpt3sas_base_free_smid(ioc, smid); | |
1440 | return -ENOMEM; | |
1441 | } | |
1442 | ioc->diag_buffer[buffer_type] = request_data; | |
1443 | ioc->diag_buffer_sz[buffer_type] = request_data_sz; | |
1444 | ioc->diag_buffer_dma[buffer_type] = request_data_dma; | |
1445 | } | |
1446 | ||
1447 | mpi_request->Function = MPI2_FUNCTION_DIAG_BUFFER_POST; | |
1448 | mpi_request->BufferType = diag_register->buffer_type; | |
1449 | mpi_request->Flags = cpu_to_le32(diag_register->diagnostic_flags); | |
1450 | mpi_request->BufferAddress = cpu_to_le64(request_data_dma); | |
1451 | mpi_request->BufferLength = cpu_to_le32(request_data_sz); | |
1452 | mpi_request->VF_ID = 0; /* TODO */ | |
1453 | mpi_request->VP_ID = 0; | |
1454 | ||
1455 | dctlprintk(ioc, pr_info(MPT3SAS_FMT | |
1456 | "%s: diag_buffer(0x%p), dma(0x%llx), sz(%d)\n", | |
1457 | ioc->name, __func__, request_data, | |
1458 | (unsigned long long)request_data_dma, | |
1459 | le32_to_cpu(mpi_request->BufferLength))); | |
1460 | ||
1461 | for (i = 0; i < MPT3_PRODUCT_SPECIFIC_DWORDS; i++) | |
1462 | mpi_request->ProductSpecific[i] = | |
1463 | cpu_to_le32(ioc->product_specific[buffer_type][i]); | |
1464 | ||
1465 | init_completion(&ioc->ctl_cmds.done); | |
1466 | mpt3sas_base_put_smid_default(ioc, smid); | |
1467 | timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, | |
1468 | MPT3_IOCTL_DEFAULT_TIMEOUT*HZ); | |
1469 | ||
1470 | if (!(ioc->ctl_cmds.status & MPT3_CMD_COMPLETE)) { | |
1471 | pr_err(MPT3SAS_FMT "%s: timeout\n", ioc->name, | |
1472 | __func__); | |
1473 | _debug_dump_mf(mpi_request, | |
1474 | sizeof(Mpi2DiagBufferPostRequest_t)/4); | |
1475 | if (!(ioc->ctl_cmds.status & MPT3_CMD_RESET)) | |
1476 | issue_reset = 1; | |
1477 | goto issue_host_reset; | |
1478 | } | |
1479 | ||
1480 | /* process the completed Reply Message Frame */ | |
1481 | if ((ioc->ctl_cmds.status & MPT3_CMD_REPLY_VALID) == 0) { | |
1482 | pr_err(MPT3SAS_FMT "%s: no reply message\n", | |
1483 | ioc->name, __func__); | |
1484 | rc = -EFAULT; | |
1485 | goto out; | |
1486 | } | |
1487 | ||
1488 | mpi_reply = ioc->ctl_cmds.reply; | |
1489 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; | |
1490 | ||
1491 | if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { | |
1492 | ioc->diag_buffer_status[buffer_type] |= | |
1493 | MPT3_DIAG_BUFFER_IS_REGISTERED; | |
1494 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s: success\n", | |
1495 | ioc->name, __func__)); | |
1496 | } else { | |
1497 | pr_info(MPT3SAS_FMT | |
1498 | "%s: ioc_status(0x%04x) log_info(0x%08x)\n", | |
1499 | ioc->name, __func__, | |
1500 | ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo)); | |
1501 | rc = -EFAULT; | |
1502 | } | |
1503 | ||
1504 | issue_host_reset: | |
1505 | if (issue_reset) | |
1506 | mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
1507 | FORCE_BIG_HAMMER); | |
1508 | ||
1509 | out: | |
1510 | ||
1511 | if (rc && request_data) | |
1512 | pci_free_consistent(ioc->pdev, request_data_sz, | |
1513 | request_data, request_data_dma); | |
1514 | ||
1515 | ioc->ctl_cmds.status = MPT3_CMD_NOT_USED; | |
1516 | return rc; | |
1517 | } | |
1518 | ||
1519 | /** | |
1520 | * mpt3sas_enable_diag_buffer - enabling diag_buffers support driver load time | |
1521 | * @ioc: per adapter object | |
1522 | * @bits_to_register: bitwise field where trace is bit 0, and snapshot is bit 1 | |
1523 | * | |
1524 | * This is called when command line option diag_buffer_enable is enabled | |
1525 | * at driver load time. | |
1526 | */ | |
1527 | void | |
1528 | mpt3sas_enable_diag_buffer(struct MPT3SAS_ADAPTER *ioc, u8 bits_to_register) | |
1529 | { | |
1530 | struct mpt3_diag_register diag_register; | |
1531 | ||
1532 | memset(&diag_register, 0, sizeof(struct mpt3_diag_register)); | |
1533 | ||
1534 | if (bits_to_register & 1) { | |
1535 | pr_info(MPT3SAS_FMT "registering trace buffer support\n", | |
1536 | ioc->name); | |
1537 | ioc->diag_trigger_master.MasterData = | |
1538 | (MASTER_TRIGGER_FW_FAULT + MASTER_TRIGGER_ADAPTER_RESET); | |
1539 | diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_TRACE; | |
1540 | /* register for 2MB buffers */ | |
1541 | diag_register.requested_buffer_size = 2 * (1024 * 1024); | |
1542 | diag_register.unique_id = 0x7075900; | |
1543 | _ctl_diag_register_2(ioc, &diag_register); | |
1544 | } | |
1545 | ||
1546 | if (bits_to_register & 2) { | |
1547 | pr_info(MPT3SAS_FMT "registering snapshot buffer support\n", | |
1548 | ioc->name); | |
1549 | diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_SNAPSHOT; | |
1550 | /* register for 2MB buffers */ | |
1551 | diag_register.requested_buffer_size = 2 * (1024 * 1024); | |
1552 | diag_register.unique_id = 0x7075901; | |
1553 | _ctl_diag_register_2(ioc, &diag_register); | |
1554 | } | |
1555 | ||
1556 | if (bits_to_register & 4) { | |
1557 | pr_info(MPT3SAS_FMT "registering extended buffer support\n", | |
1558 | ioc->name); | |
1559 | diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_EXTENDED; | |
1560 | /* register for 2MB buffers */ | |
1561 | diag_register.requested_buffer_size = 2 * (1024 * 1024); | |
1562 | diag_register.unique_id = 0x7075901; | |
1563 | _ctl_diag_register_2(ioc, &diag_register); | |
1564 | } | |
1565 | } | |
1566 | ||
1567 | /** | |
1568 | * _ctl_diag_register - application register with driver | |
1569 | * @ioc: per adapter object | |
1570 | * @arg - user space buffer containing ioctl content | |
1571 | * | |
1572 | * This will allow the driver to setup any required buffers that will be | |
1573 | * needed by firmware to communicate with the driver. | |
1574 | */ | |
1575 | static long | |
1576 | _ctl_diag_register(struct MPT3SAS_ADAPTER *ioc, void __user *arg) | |
1577 | { | |
1578 | struct mpt3_diag_register karg; | |
1579 | long rc; | |
1580 | ||
1581 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1582 | pr_err("failure at %s:%d/%s()!\n", | |
1583 | __FILE__, __LINE__, __func__); | |
1584 | return -EFAULT; | |
1585 | } | |
1586 | ||
1587 | rc = _ctl_diag_register_2(ioc, &karg); | |
1588 | return rc; | |
1589 | } | |
1590 | ||
1591 | /** | |
1592 | * _ctl_diag_unregister - application unregister with driver | |
1593 | * @ioc: per adapter object | |
1594 | * @arg - user space buffer containing ioctl content | |
1595 | * | |
1596 | * This will allow the driver to cleanup any memory allocated for diag | |
1597 | * messages and to free up any resources. | |
1598 | */ | |
1599 | static long | |
1600 | _ctl_diag_unregister(struct MPT3SAS_ADAPTER *ioc, void __user *arg) | |
1601 | { | |
1602 | struct mpt3_diag_unregister karg; | |
1603 | void *request_data; | |
1604 | dma_addr_t request_data_dma; | |
1605 | u32 request_data_sz; | |
1606 | u8 buffer_type; | |
1607 | ||
1608 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1609 | pr_err("failure at %s:%d/%s()!\n", | |
1610 | __FILE__, __LINE__, __func__); | |
1611 | return -EFAULT; | |
1612 | } | |
1613 | ||
1614 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
1615 | __func__)); | |
1616 | ||
1617 | buffer_type = karg.unique_id & 0x000000ff; | |
1618 | if (!_ctl_diag_capability(ioc, buffer_type)) { | |
1619 | pr_err(MPT3SAS_FMT | |
1620 | "%s: doesn't have capability for buffer_type(0x%02x)\n", | |
1621 | ioc->name, __func__, buffer_type); | |
1622 | return -EPERM; | |
1623 | } | |
1624 | ||
1625 | if ((ioc->diag_buffer_status[buffer_type] & | |
1626 | MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) { | |
1627 | pr_err(MPT3SAS_FMT | |
1628 | "%s: buffer_type(0x%02x) is not registered\n", | |
1629 | ioc->name, __func__, buffer_type); | |
1630 | return -EINVAL; | |
1631 | } | |
1632 | if ((ioc->diag_buffer_status[buffer_type] & | |
1633 | MPT3_DIAG_BUFFER_IS_RELEASED) == 0) { | |
1634 | pr_err(MPT3SAS_FMT | |
1635 | "%s: buffer_type(0x%02x) has not been released\n", | |
1636 | ioc->name, __func__, buffer_type); | |
1637 | return -EINVAL; | |
1638 | } | |
1639 | ||
1640 | if (karg.unique_id != ioc->unique_id[buffer_type]) { | |
1641 | pr_err(MPT3SAS_FMT | |
1642 | "%s: unique_id(0x%08x) is not registered\n", | |
1643 | ioc->name, __func__, karg.unique_id); | |
1644 | return -EINVAL; | |
1645 | } | |
1646 | ||
1647 | request_data = ioc->diag_buffer[buffer_type]; | |
1648 | if (!request_data) { | |
1649 | pr_err(MPT3SAS_FMT | |
1650 | "%s: doesn't have memory allocated for buffer_type(0x%02x)\n", | |
1651 | ioc->name, __func__, buffer_type); | |
1652 | return -ENOMEM; | |
1653 | } | |
1654 | ||
1655 | request_data_sz = ioc->diag_buffer_sz[buffer_type]; | |
1656 | request_data_dma = ioc->diag_buffer_dma[buffer_type]; | |
1657 | pci_free_consistent(ioc->pdev, request_data_sz, | |
1658 | request_data, request_data_dma); | |
1659 | ioc->diag_buffer[buffer_type] = NULL; | |
1660 | ioc->diag_buffer_status[buffer_type] = 0; | |
1661 | return 0; | |
1662 | } | |
1663 | ||
1664 | /** | |
1665 | * _ctl_diag_query - query relevant info associated with diag buffers | |
1666 | * @ioc: per adapter object | |
1667 | * @arg - user space buffer containing ioctl content | |
1668 | * | |
1669 | * The application will send only buffer_type and unique_id. Driver will | |
1670 | * inspect unique_id first, if valid, fill in all the info. If unique_id is | |
1671 | * 0x00, the driver will return info specified by Buffer Type. | |
1672 | */ | |
1673 | static long | |
1674 | _ctl_diag_query(struct MPT3SAS_ADAPTER *ioc, void __user *arg) | |
1675 | { | |
1676 | struct mpt3_diag_query karg; | |
1677 | void *request_data; | |
1678 | int i; | |
1679 | u8 buffer_type; | |
1680 | ||
1681 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1682 | pr_err("failure at %s:%d/%s()!\n", | |
1683 | __FILE__, __LINE__, __func__); | |
1684 | return -EFAULT; | |
1685 | } | |
1686 | ||
1687 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
1688 | __func__)); | |
1689 | ||
1690 | karg.application_flags = 0; | |
1691 | buffer_type = karg.buffer_type; | |
1692 | ||
1693 | if (!_ctl_diag_capability(ioc, buffer_type)) { | |
1694 | pr_err(MPT3SAS_FMT | |
1695 | "%s: doesn't have capability for buffer_type(0x%02x)\n", | |
1696 | ioc->name, __func__, buffer_type); | |
1697 | return -EPERM; | |
1698 | } | |
1699 | ||
1700 | if ((ioc->diag_buffer_status[buffer_type] & | |
1701 | MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) { | |
1702 | pr_err(MPT3SAS_FMT | |
1703 | "%s: buffer_type(0x%02x) is not registered\n", | |
1704 | ioc->name, __func__, buffer_type); | |
1705 | return -EINVAL; | |
1706 | } | |
1707 | ||
1708 | if (karg.unique_id & 0xffffff00) { | |
1709 | if (karg.unique_id != ioc->unique_id[buffer_type]) { | |
1710 | pr_err(MPT3SAS_FMT | |
1711 | "%s: unique_id(0x%08x) is not registered\n", | |
1712 | ioc->name, __func__, karg.unique_id); | |
1713 | return -EINVAL; | |
1714 | } | |
1715 | } | |
1716 | ||
1717 | request_data = ioc->diag_buffer[buffer_type]; | |
1718 | if (!request_data) { | |
1719 | pr_err(MPT3SAS_FMT | |
1720 | "%s: doesn't have buffer for buffer_type(0x%02x)\n", | |
1721 | ioc->name, __func__, buffer_type); | |
1722 | return -ENOMEM; | |
1723 | } | |
1724 | ||
1725 | if (ioc->diag_buffer_status[buffer_type] & MPT3_DIAG_BUFFER_IS_RELEASED) | |
1726 | karg.application_flags = (MPT3_APP_FLAGS_APP_OWNED | | |
1727 | MPT3_APP_FLAGS_BUFFER_VALID); | |
1728 | else | |
1729 | karg.application_flags = (MPT3_APP_FLAGS_APP_OWNED | | |
1730 | MPT3_APP_FLAGS_BUFFER_VALID | | |
1731 | MPT3_APP_FLAGS_FW_BUFFER_ACCESS); | |
1732 | ||
1733 | for (i = 0; i < MPT3_PRODUCT_SPECIFIC_DWORDS; i++) | |
1734 | karg.product_specific[i] = | |
1735 | ioc->product_specific[buffer_type][i]; | |
1736 | ||
1737 | karg.total_buffer_size = ioc->diag_buffer_sz[buffer_type]; | |
1738 | karg.driver_added_buffer_size = 0; | |
1739 | karg.unique_id = ioc->unique_id[buffer_type]; | |
1740 | karg.diagnostic_flags = ioc->diagnostic_flags[buffer_type]; | |
1741 | ||
1742 | if (copy_to_user(arg, &karg, sizeof(struct mpt3_diag_query))) { | |
1743 | pr_err(MPT3SAS_FMT | |
1744 | "%s: unable to write mpt3_diag_query data @ %p\n", | |
1745 | ioc->name, __func__, arg); | |
1746 | return -EFAULT; | |
1747 | } | |
1748 | return 0; | |
1749 | } | |
1750 | ||
1751 | /** | |
1752 | * mpt3sas_send_diag_release - Diag Release Message | |
1753 | * @ioc: per adapter object | |
1754 | * @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED | |
1755 | * @issue_reset - specifies whether host reset is required. | |
1756 | * | |
1757 | */ | |
1758 | int | |
1759 | mpt3sas_send_diag_release(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type, | |
1760 | u8 *issue_reset) | |
1761 | { | |
1762 | Mpi2DiagReleaseRequest_t *mpi_request; | |
1763 | Mpi2DiagReleaseReply_t *mpi_reply; | |
1764 | u16 smid; | |
1765 | u16 ioc_status; | |
1766 | u32 ioc_state; | |
1767 | int rc; | |
1768 | unsigned long timeleft; | |
1769 | ||
1770 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
1771 | __func__)); | |
1772 | ||
1773 | rc = 0; | |
1774 | *issue_reset = 0; | |
1775 | ||
1776 | ioc_state = mpt3sas_base_get_iocstate(ioc, 1); | |
1777 | if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
1778 | if (ioc->diag_buffer_status[buffer_type] & | |
1779 | MPT3_DIAG_BUFFER_IS_REGISTERED) | |
1780 | ioc->diag_buffer_status[buffer_type] |= | |
1781 | MPT3_DIAG_BUFFER_IS_RELEASED; | |
1782 | dctlprintk(ioc, pr_info(MPT3SAS_FMT | |
1783 | "%s: skipping due to FAULT state\n", ioc->name, | |
1784 | __func__)); | |
1785 | rc = -EAGAIN; | |
1786 | goto out; | |
1787 | } | |
1788 | ||
1789 | if (ioc->ctl_cmds.status != MPT3_CMD_NOT_USED) { | |
1790 | pr_err(MPT3SAS_FMT "%s: ctl_cmd in use\n", | |
1791 | ioc->name, __func__); | |
1792 | rc = -EAGAIN; | |
1793 | goto out; | |
1794 | } | |
1795 | ||
1796 | smid = mpt3sas_base_get_smid(ioc, ioc->ctl_cb_idx); | |
1797 | if (!smid) { | |
1798 | pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", | |
1799 | ioc->name, __func__); | |
1800 | rc = -EAGAIN; | |
1801 | goto out; | |
1802 | } | |
1803 | ||
1804 | ioc->ctl_cmds.status = MPT3_CMD_PENDING; | |
1805 | memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); | |
1806 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); | |
1807 | ioc->ctl_cmds.smid = smid; | |
1808 | ||
1809 | mpi_request->Function = MPI2_FUNCTION_DIAG_RELEASE; | |
1810 | mpi_request->BufferType = buffer_type; | |
1811 | mpi_request->VF_ID = 0; /* TODO */ | |
1812 | mpi_request->VP_ID = 0; | |
1813 | ||
1814 | init_completion(&ioc->ctl_cmds.done); | |
1815 | mpt3sas_base_put_smid_default(ioc, smid); | |
1816 | timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, | |
1817 | MPT3_IOCTL_DEFAULT_TIMEOUT*HZ); | |
1818 | ||
1819 | if (!(ioc->ctl_cmds.status & MPT3_CMD_COMPLETE)) { | |
1820 | pr_err(MPT3SAS_FMT "%s: timeout\n", ioc->name, | |
1821 | __func__); | |
1822 | _debug_dump_mf(mpi_request, | |
1823 | sizeof(Mpi2DiagReleaseRequest_t)/4); | |
1824 | if (!(ioc->ctl_cmds.status & MPT3_CMD_RESET)) | |
1825 | *issue_reset = 1; | |
1826 | rc = -EFAULT; | |
1827 | goto out; | |
1828 | } | |
1829 | ||
1830 | /* process the completed Reply Message Frame */ | |
1831 | if ((ioc->ctl_cmds.status & MPT3_CMD_REPLY_VALID) == 0) { | |
1832 | pr_err(MPT3SAS_FMT "%s: no reply message\n", | |
1833 | ioc->name, __func__); | |
1834 | rc = -EFAULT; | |
1835 | goto out; | |
1836 | } | |
1837 | ||
1838 | mpi_reply = ioc->ctl_cmds.reply; | |
1839 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; | |
1840 | ||
1841 | if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { | |
1842 | ioc->diag_buffer_status[buffer_type] |= | |
1843 | MPT3_DIAG_BUFFER_IS_RELEASED; | |
1844 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s: success\n", | |
1845 | ioc->name, __func__)); | |
1846 | } else { | |
1847 | pr_info(MPT3SAS_FMT | |
1848 | "%s: ioc_status(0x%04x) log_info(0x%08x)\n", | |
1849 | ioc->name, __func__, | |
1850 | ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo)); | |
1851 | rc = -EFAULT; | |
1852 | } | |
1853 | ||
1854 | out: | |
1855 | ioc->ctl_cmds.status = MPT3_CMD_NOT_USED; | |
1856 | return rc; | |
1857 | } | |
1858 | ||
1859 | /** | |
1860 | * _ctl_diag_release - request to send Diag Release Message to firmware | |
1861 | * @arg - user space buffer containing ioctl content | |
1862 | * | |
1863 | * This allows ownership of the specified buffer to returned to the driver, | |
1864 | * allowing an application to read the buffer without fear that firmware is | |
1865 | * overwritting information in the buffer. | |
1866 | */ | |
1867 | static long | |
1868 | _ctl_diag_release(struct MPT3SAS_ADAPTER *ioc, void __user *arg) | |
1869 | { | |
1870 | struct mpt3_diag_release karg; | |
1871 | void *request_data; | |
1872 | int rc; | |
1873 | u8 buffer_type; | |
1874 | u8 issue_reset = 0; | |
1875 | ||
1876 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1877 | pr_err("failure at %s:%d/%s()!\n", | |
1878 | __FILE__, __LINE__, __func__); | |
1879 | return -EFAULT; | |
1880 | } | |
1881 | ||
1882 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
1883 | __func__)); | |
1884 | ||
1885 | buffer_type = karg.unique_id & 0x000000ff; | |
1886 | if (!_ctl_diag_capability(ioc, buffer_type)) { | |
1887 | pr_err(MPT3SAS_FMT | |
1888 | "%s: doesn't have capability for buffer_type(0x%02x)\n", | |
1889 | ioc->name, __func__, buffer_type); | |
1890 | return -EPERM; | |
1891 | } | |
1892 | ||
1893 | if ((ioc->diag_buffer_status[buffer_type] & | |
1894 | MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) { | |
1895 | pr_err(MPT3SAS_FMT | |
1896 | "%s: buffer_type(0x%02x) is not registered\n", | |
1897 | ioc->name, __func__, buffer_type); | |
1898 | return -EINVAL; | |
1899 | } | |
1900 | ||
1901 | if (karg.unique_id != ioc->unique_id[buffer_type]) { | |
1902 | pr_err(MPT3SAS_FMT | |
1903 | "%s: unique_id(0x%08x) is not registered\n", | |
1904 | ioc->name, __func__, karg.unique_id); | |
1905 | return -EINVAL; | |
1906 | } | |
1907 | ||
1908 | if (ioc->diag_buffer_status[buffer_type] & | |
1909 | MPT3_DIAG_BUFFER_IS_RELEASED) { | |
1910 | pr_err(MPT3SAS_FMT | |
1911 | "%s: buffer_type(0x%02x) is already released\n", | |
1912 | ioc->name, __func__, | |
1913 | buffer_type); | |
1914 | return 0; | |
1915 | } | |
1916 | ||
1917 | request_data = ioc->diag_buffer[buffer_type]; | |
1918 | ||
1919 | if (!request_data) { | |
1920 | pr_err(MPT3SAS_FMT | |
1921 | "%s: doesn't have memory allocated for buffer_type(0x%02x)\n", | |
1922 | ioc->name, __func__, buffer_type); | |
1923 | return -ENOMEM; | |
1924 | } | |
1925 | ||
1926 | /* buffers were released by due to host reset */ | |
1927 | if ((ioc->diag_buffer_status[buffer_type] & | |
1928 | MPT3_DIAG_BUFFER_IS_DIAG_RESET)) { | |
1929 | ioc->diag_buffer_status[buffer_type] |= | |
1930 | MPT3_DIAG_BUFFER_IS_RELEASED; | |
1931 | ioc->diag_buffer_status[buffer_type] &= | |
1932 | ~MPT3_DIAG_BUFFER_IS_DIAG_RESET; | |
1933 | pr_err(MPT3SAS_FMT | |
1934 | "%s: buffer_type(0x%02x) was released due to host reset\n", | |
1935 | ioc->name, __func__, buffer_type); | |
1936 | return 0; | |
1937 | } | |
1938 | ||
1939 | rc = mpt3sas_send_diag_release(ioc, buffer_type, &issue_reset); | |
1940 | ||
1941 | if (issue_reset) | |
1942 | mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
1943 | FORCE_BIG_HAMMER); | |
1944 | ||
1945 | return rc; | |
1946 | } | |
1947 | ||
1948 | /** | |
1949 | * _ctl_diag_read_buffer - request for copy of the diag buffer | |
1950 | * @ioc: per adapter object | |
1951 | * @arg - user space buffer containing ioctl content | |
1952 | */ | |
1953 | static long | |
1954 | _ctl_diag_read_buffer(struct MPT3SAS_ADAPTER *ioc, void __user *arg) | |
1955 | { | |
1956 | struct mpt3_diag_read_buffer karg; | |
1957 | struct mpt3_diag_read_buffer __user *uarg = arg; | |
1958 | void *request_data, *diag_data; | |
1959 | Mpi2DiagBufferPostRequest_t *mpi_request; | |
1960 | Mpi2DiagBufferPostReply_t *mpi_reply; | |
1961 | int rc, i; | |
1962 | u8 buffer_type; | |
1963 | unsigned long timeleft, request_size, copy_size; | |
1964 | u16 smid; | |
1965 | u16 ioc_status; | |
1966 | u8 issue_reset = 0; | |
1967 | ||
1968 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1969 | pr_err("failure at %s:%d/%s()!\n", | |
1970 | __FILE__, __LINE__, __func__); | |
1971 | return -EFAULT; | |
1972 | } | |
1973 | ||
1974 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
1975 | __func__)); | |
1976 | ||
1977 | buffer_type = karg.unique_id & 0x000000ff; | |
1978 | if (!_ctl_diag_capability(ioc, buffer_type)) { | |
1979 | pr_err(MPT3SAS_FMT | |
1980 | "%s: doesn't have capability for buffer_type(0x%02x)\n", | |
1981 | ioc->name, __func__, buffer_type); | |
1982 | return -EPERM; | |
1983 | } | |
1984 | ||
1985 | if (karg.unique_id != ioc->unique_id[buffer_type]) { | |
1986 | pr_err(MPT3SAS_FMT | |
1987 | "%s: unique_id(0x%08x) is not registered\n", | |
1988 | ioc->name, __func__, karg.unique_id); | |
1989 | return -EINVAL; | |
1990 | } | |
1991 | ||
1992 | request_data = ioc->diag_buffer[buffer_type]; | |
1993 | if (!request_data) { | |
1994 | pr_err(MPT3SAS_FMT | |
1995 | "%s: doesn't have buffer for buffer_type(0x%02x)\n", | |
1996 | ioc->name, __func__, buffer_type); | |
1997 | return -ENOMEM; | |
1998 | } | |
1999 | ||
2000 | request_size = ioc->diag_buffer_sz[buffer_type]; | |
2001 | ||
2002 | if ((karg.starting_offset % 4) || (karg.bytes_to_read % 4)) { | |
2003 | pr_err(MPT3SAS_FMT "%s: either the starting_offset " \ | |
2004 | "or bytes_to_read are not 4 byte aligned\n", ioc->name, | |
2005 | __func__); | |
2006 | return -EINVAL; | |
2007 | } | |
2008 | ||
2009 | if (karg.starting_offset > request_size) | |
2010 | return -EINVAL; | |
2011 | ||
2012 | diag_data = (void *)(request_data + karg.starting_offset); | |
2013 | dctlprintk(ioc, pr_info(MPT3SAS_FMT | |
2014 | "%s: diag_buffer(%p), offset(%d), sz(%d)\n", | |
2015 | ioc->name, __func__, | |
2016 | diag_data, karg.starting_offset, karg.bytes_to_read)); | |
2017 | ||
2018 | /* Truncate data on requests that are too large */ | |
2019 | if ((diag_data + karg.bytes_to_read < diag_data) || | |
2020 | (diag_data + karg.bytes_to_read > request_data + request_size)) | |
2021 | copy_size = request_size - karg.starting_offset; | |
2022 | else | |
2023 | copy_size = karg.bytes_to_read; | |
2024 | ||
2025 | if (copy_to_user((void __user *)uarg->diagnostic_data, | |
2026 | diag_data, copy_size)) { | |
2027 | pr_err(MPT3SAS_FMT | |
2028 | "%s: Unable to write mpt_diag_read_buffer_t data @ %p\n", | |
2029 | ioc->name, __func__, diag_data); | |
2030 | return -EFAULT; | |
2031 | } | |
2032 | ||
2033 | if ((karg.flags & MPT3_FLAGS_REREGISTER) == 0) | |
2034 | return 0; | |
2035 | ||
2036 | dctlprintk(ioc, pr_info(MPT3SAS_FMT | |
2037 | "%s: Reregister buffer_type(0x%02x)\n", | |
2038 | ioc->name, __func__, buffer_type)); | |
2039 | if ((ioc->diag_buffer_status[buffer_type] & | |
2040 | MPT3_DIAG_BUFFER_IS_RELEASED) == 0) { | |
2041 | dctlprintk(ioc, pr_info(MPT3SAS_FMT | |
2042 | "%s: buffer_type(0x%02x) is still registered\n", | |
2043 | ioc->name, __func__, buffer_type)); | |
2044 | return 0; | |
2045 | } | |
2046 | /* Get a free request frame and save the message context. | |
2047 | */ | |
2048 | ||
2049 | if (ioc->ctl_cmds.status != MPT3_CMD_NOT_USED) { | |
2050 | pr_err(MPT3SAS_FMT "%s: ctl_cmd in use\n", | |
2051 | ioc->name, __func__); | |
2052 | rc = -EAGAIN; | |
2053 | goto out; | |
2054 | } | |
2055 | ||
2056 | smid = mpt3sas_base_get_smid(ioc, ioc->ctl_cb_idx); | |
2057 | if (!smid) { | |
2058 | pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", | |
2059 | ioc->name, __func__); | |
2060 | rc = -EAGAIN; | |
2061 | goto out; | |
2062 | } | |
2063 | ||
2064 | rc = 0; | |
2065 | ioc->ctl_cmds.status = MPT3_CMD_PENDING; | |
2066 | memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); | |
2067 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); | |
2068 | ioc->ctl_cmds.smid = smid; | |
2069 | ||
2070 | mpi_request->Function = MPI2_FUNCTION_DIAG_BUFFER_POST; | |
2071 | mpi_request->BufferType = buffer_type; | |
2072 | mpi_request->BufferLength = | |
2073 | cpu_to_le32(ioc->diag_buffer_sz[buffer_type]); | |
2074 | mpi_request->BufferAddress = | |
2075 | cpu_to_le64(ioc->diag_buffer_dma[buffer_type]); | |
2076 | for (i = 0; i < MPT3_PRODUCT_SPECIFIC_DWORDS; i++) | |
2077 | mpi_request->ProductSpecific[i] = | |
2078 | cpu_to_le32(ioc->product_specific[buffer_type][i]); | |
2079 | mpi_request->VF_ID = 0; /* TODO */ | |
2080 | mpi_request->VP_ID = 0; | |
2081 | ||
2082 | init_completion(&ioc->ctl_cmds.done); | |
2083 | mpt3sas_base_put_smid_default(ioc, smid); | |
2084 | timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, | |
2085 | MPT3_IOCTL_DEFAULT_TIMEOUT*HZ); | |
2086 | ||
2087 | if (!(ioc->ctl_cmds.status & MPT3_CMD_COMPLETE)) { | |
2088 | pr_err(MPT3SAS_FMT "%s: timeout\n", ioc->name, | |
2089 | __func__); | |
2090 | _debug_dump_mf(mpi_request, | |
2091 | sizeof(Mpi2DiagBufferPostRequest_t)/4); | |
2092 | if (!(ioc->ctl_cmds.status & MPT3_CMD_RESET)) | |
2093 | issue_reset = 1; | |
2094 | goto issue_host_reset; | |
2095 | } | |
2096 | ||
2097 | /* process the completed Reply Message Frame */ | |
2098 | if ((ioc->ctl_cmds.status & MPT3_CMD_REPLY_VALID) == 0) { | |
2099 | pr_err(MPT3SAS_FMT "%s: no reply message\n", | |
2100 | ioc->name, __func__); | |
2101 | rc = -EFAULT; | |
2102 | goto out; | |
2103 | } | |
2104 | ||
2105 | mpi_reply = ioc->ctl_cmds.reply; | |
2106 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; | |
2107 | ||
2108 | if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { | |
2109 | ioc->diag_buffer_status[buffer_type] |= | |
2110 | MPT3_DIAG_BUFFER_IS_REGISTERED; | |
2111 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s: success\n", | |
2112 | ioc->name, __func__)); | |
2113 | } else { | |
2114 | pr_info(MPT3SAS_FMT | |
2115 | "%s: ioc_status(0x%04x) log_info(0x%08x)\n", | |
2116 | ioc->name, __func__, | |
2117 | ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo)); | |
2118 | rc = -EFAULT; | |
2119 | } | |
2120 | ||
2121 | issue_host_reset: | |
2122 | if (issue_reset) | |
2123 | mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
2124 | FORCE_BIG_HAMMER); | |
2125 | ||
2126 | out: | |
2127 | ||
2128 | ioc->ctl_cmds.status = MPT3_CMD_NOT_USED; | |
2129 | return rc; | |
2130 | } | |
2131 | ||
2132 | ||
2133 | ||
2134 | #ifdef CONFIG_COMPAT | |
2135 | /** | |
2136 | * _ctl_compat_mpt_command - convert 32bit pointers to 64bit. | |
2137 | * @ioc: per adapter object | |
2138 | * @cmd - ioctl opcode | |
2139 | * @arg - (struct mpt3_ioctl_command32) | |
2140 | * | |
2141 | * MPT3COMMAND32 - Handle 32bit applications running on 64bit os. | |
2142 | */ | |
2143 | static long | |
2144 | _ctl_compat_mpt_command(struct MPT3SAS_ADAPTER *ioc, unsigned cmd, | |
2145 | void __user *arg) | |
2146 | { | |
2147 | struct mpt3_ioctl_command32 karg32; | |
2148 | struct mpt3_ioctl_command32 __user *uarg; | |
2149 | struct mpt3_ioctl_command karg; | |
2150 | ||
2151 | if (_IOC_SIZE(cmd) != sizeof(struct mpt3_ioctl_command32)) | |
2152 | return -EINVAL; | |
2153 | ||
2154 | uarg = (struct mpt3_ioctl_command32 __user *) arg; | |
2155 | ||
2156 | if (copy_from_user(&karg32, (char __user *)arg, sizeof(karg32))) { | |
2157 | pr_err("failure at %s:%d/%s()!\n", | |
2158 | __FILE__, __LINE__, __func__); | |
2159 | return -EFAULT; | |
2160 | } | |
2161 | ||
2162 | memset(&karg, 0, sizeof(struct mpt3_ioctl_command)); | |
2163 | karg.hdr.ioc_number = karg32.hdr.ioc_number; | |
2164 | karg.hdr.port_number = karg32.hdr.port_number; | |
2165 | karg.hdr.max_data_size = karg32.hdr.max_data_size; | |
2166 | karg.timeout = karg32.timeout; | |
2167 | karg.max_reply_bytes = karg32.max_reply_bytes; | |
2168 | karg.data_in_size = karg32.data_in_size; | |
2169 | karg.data_out_size = karg32.data_out_size; | |
2170 | karg.max_sense_bytes = karg32.max_sense_bytes; | |
2171 | karg.data_sge_offset = karg32.data_sge_offset; | |
2172 | karg.reply_frame_buf_ptr = compat_ptr(karg32.reply_frame_buf_ptr); | |
2173 | karg.data_in_buf_ptr = compat_ptr(karg32.data_in_buf_ptr); | |
2174 | karg.data_out_buf_ptr = compat_ptr(karg32.data_out_buf_ptr); | |
2175 | karg.sense_data_ptr = compat_ptr(karg32.sense_data_ptr); | |
2176 | return _ctl_do_mpt_command(ioc, karg, &uarg->mf); | |
2177 | } | |
2178 | #endif | |
2179 | ||
2180 | /** | |
2181 | * _ctl_ioctl_main - main ioctl entry point | |
2182 | * @file - (struct file) | |
2183 | * @cmd - ioctl opcode | |
2184 | * @arg - | |
2185 | * compat - handles 32 bit applications in 64bit os | |
2186 | */ | |
2187 | static long | |
2188 | _ctl_ioctl_main(struct file *file, unsigned int cmd, void __user *arg, | |
2189 | u8 compat) | |
2190 | { | |
2191 | struct MPT3SAS_ADAPTER *ioc; | |
2192 | struct mpt3_ioctl_header ioctl_header; | |
2193 | enum block_state state; | |
2194 | long ret = -EINVAL; | |
2195 | ||
2196 | /* get IOCTL header */ | |
2197 | if (copy_from_user(&ioctl_header, (char __user *)arg, | |
2198 | sizeof(struct mpt3_ioctl_header))) { | |
2199 | pr_err("failure at %s:%d/%s()!\n", | |
2200 | __FILE__, __LINE__, __func__); | |
2201 | return -EFAULT; | |
2202 | } | |
2203 | ||
2204 | if (_ctl_verify_adapter(ioctl_header.ioc_number, &ioc) == -1 || !ioc) | |
2205 | return -ENODEV; | |
2206 | ||
2207 | if (ioc->shost_recovery || ioc->pci_error_recovery || | |
2208 | ioc->is_driver_loading) | |
2209 | return -EAGAIN; | |
2210 | ||
2211 | state = (file->f_flags & O_NONBLOCK) ? NON_BLOCKING : BLOCKING; | |
2212 | if (state == NON_BLOCKING) { | |
2213 | if (!mutex_trylock(&ioc->ctl_cmds.mutex)) | |
2214 | return -EAGAIN; | |
2215 | } else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex)) | |
2216 | return -ERESTARTSYS; | |
2217 | ||
2218 | ||
2219 | switch (cmd) { | |
2220 | case MPT3IOCINFO: | |
2221 | if (_IOC_SIZE(cmd) == sizeof(struct mpt3_ioctl_iocinfo)) | |
2222 | ret = _ctl_getiocinfo(ioc, arg); | |
2223 | break; | |
2224 | #ifdef CONFIG_COMPAT | |
2225 | case MPT3COMMAND32: | |
2226 | #endif | |
2227 | case MPT3COMMAND: | |
2228 | { | |
2229 | struct mpt3_ioctl_command __user *uarg; | |
2230 | struct mpt3_ioctl_command karg; | |
2231 | ||
2232 | #ifdef CONFIG_COMPAT | |
2233 | if (compat) { | |
2234 | ret = _ctl_compat_mpt_command(ioc, cmd, arg); | |
2235 | break; | |
2236 | } | |
2237 | #endif | |
2238 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
2239 | pr_err("failure at %s:%d/%s()!\n", | |
2240 | __FILE__, __LINE__, __func__); | |
2241 | ret = -EFAULT; | |
2242 | break; | |
2243 | } | |
2244 | ||
2245 | if (_IOC_SIZE(cmd) == sizeof(struct mpt3_ioctl_command)) { | |
2246 | uarg = arg; | |
2247 | ret = _ctl_do_mpt_command(ioc, karg, &uarg->mf); | |
2248 | } | |
2249 | break; | |
2250 | } | |
2251 | case MPT3EVENTQUERY: | |
2252 | if (_IOC_SIZE(cmd) == sizeof(struct mpt3_ioctl_eventquery)) | |
2253 | ret = _ctl_eventquery(ioc, arg); | |
2254 | break; | |
2255 | case MPT3EVENTENABLE: | |
2256 | if (_IOC_SIZE(cmd) == sizeof(struct mpt3_ioctl_eventenable)) | |
2257 | ret = _ctl_eventenable(ioc, arg); | |
2258 | break; | |
2259 | case MPT3EVENTREPORT: | |
2260 | ret = _ctl_eventreport(ioc, arg); | |
2261 | break; | |
2262 | case MPT3HARDRESET: | |
2263 | if (_IOC_SIZE(cmd) == sizeof(struct mpt3_ioctl_diag_reset)) | |
2264 | ret = _ctl_do_reset(ioc, arg); | |
2265 | break; | |
2266 | case MPT3BTDHMAPPING: | |
2267 | if (_IOC_SIZE(cmd) == sizeof(struct mpt3_ioctl_btdh_mapping)) | |
2268 | ret = _ctl_btdh_mapping(ioc, arg); | |
2269 | break; | |
2270 | case MPT3DIAGREGISTER: | |
2271 | if (_IOC_SIZE(cmd) == sizeof(struct mpt3_diag_register)) | |
2272 | ret = _ctl_diag_register(ioc, arg); | |
2273 | break; | |
2274 | case MPT3DIAGUNREGISTER: | |
2275 | if (_IOC_SIZE(cmd) == sizeof(struct mpt3_diag_unregister)) | |
2276 | ret = _ctl_diag_unregister(ioc, arg); | |
2277 | break; | |
2278 | case MPT3DIAGQUERY: | |
2279 | if (_IOC_SIZE(cmd) == sizeof(struct mpt3_diag_query)) | |
2280 | ret = _ctl_diag_query(ioc, arg); | |
2281 | break; | |
2282 | case MPT3DIAGRELEASE: | |
2283 | if (_IOC_SIZE(cmd) == sizeof(struct mpt3_diag_release)) | |
2284 | ret = _ctl_diag_release(ioc, arg); | |
2285 | break; | |
2286 | case MPT3DIAGREADBUFFER: | |
2287 | if (_IOC_SIZE(cmd) == sizeof(struct mpt3_diag_read_buffer)) | |
2288 | ret = _ctl_diag_read_buffer(ioc, arg); | |
2289 | break; | |
2290 | default: | |
2291 | dctlprintk(ioc, pr_info(MPT3SAS_FMT | |
2292 | "unsupported ioctl opcode(0x%08x)\n", ioc->name, cmd)); | |
2293 | break; | |
2294 | } | |
2295 | ||
2296 | mutex_unlock(&ioc->ctl_cmds.mutex); | |
2297 | return ret; | |
2298 | } | |
2299 | ||
2300 | /** | |
8a7e4c24 | 2301 | * ctl_ioctl - main ioctl entry point (unlocked) |
f92363d1 SR |
2302 | * @file - (struct file) |
2303 | * @cmd - ioctl opcode | |
2304 | * @arg - | |
2305 | */ | |
8a7e4c24 SR |
2306 | long |
2307 | ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
f92363d1 SR |
2308 | { |
2309 | long ret; | |
2310 | ||
2311 | ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 0); | |
2312 | return ret; | |
2313 | } | |
2314 | ||
2315 | #ifdef CONFIG_COMPAT | |
2316 | /** | |
8a7e4c24 | 2317 | * ctl_ioctl_compat - main ioctl entry point (compat) |
f92363d1 SR |
2318 | * @file - |
2319 | * @cmd - | |
2320 | * @arg - | |
2321 | * | |
2322 | * This routine handles 32 bit applications in 64bit os. | |
2323 | */ | |
8a7e4c24 SR |
2324 | long |
2325 | ctl_ioctl_compat(struct file *file, unsigned cmd, unsigned long arg) | |
f92363d1 SR |
2326 | { |
2327 | long ret; | |
2328 | ||
2329 | ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 1); | |
2330 | return ret; | |
2331 | } | |
2332 | #endif | |
2333 | ||
2334 | /* scsi host attributes */ | |
2335 | /** | |
2336 | * _ctl_version_fw_show - firmware version | |
2337 | * @cdev - pointer to embedded class device | |
2338 | * @buf - the buffer returned | |
2339 | * | |
2340 | * A sysfs 'read-only' shost attribute. | |
2341 | */ | |
2342 | static ssize_t | |
2343 | _ctl_version_fw_show(struct device *cdev, struct device_attribute *attr, | |
2344 | char *buf) | |
2345 | { | |
2346 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2347 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2348 | ||
2349 | return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n", | |
2350 | (ioc->facts.FWVersion.Word & 0xFF000000) >> 24, | |
2351 | (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16, | |
2352 | (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8, | |
2353 | ioc->facts.FWVersion.Word & 0x000000FF); | |
2354 | } | |
2355 | static DEVICE_ATTR(version_fw, S_IRUGO, _ctl_version_fw_show, NULL); | |
2356 | ||
2357 | /** | |
2358 | * _ctl_version_bios_show - bios version | |
2359 | * @cdev - pointer to embedded class device | |
2360 | * @buf - the buffer returned | |
2361 | * | |
2362 | * A sysfs 'read-only' shost attribute. | |
2363 | */ | |
2364 | static ssize_t | |
2365 | _ctl_version_bios_show(struct device *cdev, struct device_attribute *attr, | |
2366 | char *buf) | |
2367 | { | |
2368 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2369 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2370 | ||
2371 | u32 version = le32_to_cpu(ioc->bios_pg3.BiosVersion); | |
2372 | ||
2373 | return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n", | |
2374 | (version & 0xFF000000) >> 24, | |
2375 | (version & 0x00FF0000) >> 16, | |
2376 | (version & 0x0000FF00) >> 8, | |
2377 | version & 0x000000FF); | |
2378 | } | |
2379 | static DEVICE_ATTR(version_bios, S_IRUGO, _ctl_version_bios_show, NULL); | |
2380 | ||
2381 | /** | |
2382 | * _ctl_version_mpi_show - MPI (message passing interface) version | |
2383 | * @cdev - pointer to embedded class device | |
2384 | * @buf - the buffer returned | |
2385 | * | |
2386 | * A sysfs 'read-only' shost attribute. | |
2387 | */ | |
2388 | static ssize_t | |
2389 | _ctl_version_mpi_show(struct device *cdev, struct device_attribute *attr, | |
2390 | char *buf) | |
2391 | { | |
2392 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2393 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2394 | ||
2395 | return snprintf(buf, PAGE_SIZE, "%03x.%02x\n", | |
2396 | ioc->facts.MsgVersion, ioc->facts.HeaderVersion >> 8); | |
2397 | } | |
2398 | static DEVICE_ATTR(version_mpi, S_IRUGO, _ctl_version_mpi_show, NULL); | |
2399 | ||
2400 | /** | |
2401 | * _ctl_version_product_show - product name | |
2402 | * @cdev - pointer to embedded class device | |
2403 | * @buf - the buffer returned | |
2404 | * | |
2405 | * A sysfs 'read-only' shost attribute. | |
2406 | */ | |
2407 | static ssize_t | |
2408 | _ctl_version_product_show(struct device *cdev, struct device_attribute *attr, | |
2409 | char *buf) | |
2410 | { | |
2411 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2412 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2413 | ||
2414 | return snprintf(buf, 16, "%s\n", ioc->manu_pg0.ChipName); | |
2415 | } | |
2416 | static DEVICE_ATTR(version_product, S_IRUGO, _ctl_version_product_show, NULL); | |
2417 | ||
2418 | /** | |
2419 | * _ctl_version_nvdata_persistent_show - ndvata persistent version | |
2420 | * @cdev - pointer to embedded class device | |
2421 | * @buf - the buffer returned | |
2422 | * | |
2423 | * A sysfs 'read-only' shost attribute. | |
2424 | */ | |
2425 | static ssize_t | |
2426 | _ctl_version_nvdata_persistent_show(struct device *cdev, | |
2427 | struct device_attribute *attr, char *buf) | |
2428 | { | |
2429 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2430 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2431 | ||
2432 | return snprintf(buf, PAGE_SIZE, "%08xh\n", | |
2433 | le32_to_cpu(ioc->iounit_pg0.NvdataVersionPersistent.Word)); | |
2434 | } | |
2435 | static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO, | |
2436 | _ctl_version_nvdata_persistent_show, NULL); | |
2437 | ||
2438 | /** | |
2439 | * _ctl_version_nvdata_default_show - nvdata default version | |
2440 | * @cdev - pointer to embedded class device | |
2441 | * @buf - the buffer returned | |
2442 | * | |
2443 | * A sysfs 'read-only' shost attribute. | |
2444 | */ | |
2445 | static ssize_t | |
2446 | _ctl_version_nvdata_default_show(struct device *cdev, struct device_attribute | |
2447 | *attr, char *buf) | |
2448 | { | |
2449 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2450 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2451 | ||
2452 | return snprintf(buf, PAGE_SIZE, "%08xh\n", | |
2453 | le32_to_cpu(ioc->iounit_pg0.NvdataVersionDefault.Word)); | |
2454 | } | |
2455 | static DEVICE_ATTR(version_nvdata_default, S_IRUGO, | |
2456 | _ctl_version_nvdata_default_show, NULL); | |
2457 | ||
2458 | /** | |
2459 | * _ctl_board_name_show - board name | |
2460 | * @cdev - pointer to embedded class device | |
2461 | * @buf - the buffer returned | |
2462 | * | |
2463 | * A sysfs 'read-only' shost attribute. | |
2464 | */ | |
2465 | static ssize_t | |
2466 | _ctl_board_name_show(struct device *cdev, struct device_attribute *attr, | |
2467 | char *buf) | |
2468 | { | |
2469 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2470 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2471 | ||
2472 | return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardName); | |
2473 | } | |
2474 | static DEVICE_ATTR(board_name, S_IRUGO, _ctl_board_name_show, NULL); | |
2475 | ||
2476 | /** | |
2477 | * _ctl_board_assembly_show - board assembly name | |
2478 | * @cdev - pointer to embedded class device | |
2479 | * @buf - the buffer returned | |
2480 | * | |
2481 | * A sysfs 'read-only' shost attribute. | |
2482 | */ | |
2483 | static ssize_t | |
2484 | _ctl_board_assembly_show(struct device *cdev, struct device_attribute *attr, | |
2485 | char *buf) | |
2486 | { | |
2487 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2488 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2489 | ||
2490 | return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardAssembly); | |
2491 | } | |
2492 | static DEVICE_ATTR(board_assembly, S_IRUGO, _ctl_board_assembly_show, NULL); | |
2493 | ||
2494 | /** | |
2495 | * _ctl_board_tracer_show - board tracer number | |
2496 | * @cdev - pointer to embedded class device | |
2497 | * @buf - the buffer returned | |
2498 | * | |
2499 | * A sysfs 'read-only' shost attribute. | |
2500 | */ | |
2501 | static ssize_t | |
2502 | _ctl_board_tracer_show(struct device *cdev, struct device_attribute *attr, | |
2503 | char *buf) | |
2504 | { | |
2505 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2506 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2507 | ||
2508 | return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardTracerNumber); | |
2509 | } | |
2510 | static DEVICE_ATTR(board_tracer, S_IRUGO, _ctl_board_tracer_show, NULL); | |
2511 | ||
2512 | /** | |
2513 | * _ctl_io_delay_show - io missing delay | |
2514 | * @cdev - pointer to embedded class device | |
2515 | * @buf - the buffer returned | |
2516 | * | |
2517 | * This is for firmware implemention for deboucing device | |
2518 | * removal events. | |
2519 | * | |
2520 | * A sysfs 'read-only' shost attribute. | |
2521 | */ | |
2522 | static ssize_t | |
2523 | _ctl_io_delay_show(struct device *cdev, struct device_attribute *attr, | |
2524 | char *buf) | |
2525 | { | |
2526 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2527 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2528 | ||
2529 | return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay); | |
2530 | } | |
2531 | static DEVICE_ATTR(io_delay, S_IRUGO, _ctl_io_delay_show, NULL); | |
2532 | ||
2533 | /** | |
2534 | * _ctl_device_delay_show - device missing delay | |
2535 | * @cdev - pointer to embedded class device | |
2536 | * @buf - the buffer returned | |
2537 | * | |
2538 | * This is for firmware implemention for deboucing device | |
2539 | * removal events. | |
2540 | * | |
2541 | * A sysfs 'read-only' shost attribute. | |
2542 | */ | |
2543 | static ssize_t | |
2544 | _ctl_device_delay_show(struct device *cdev, struct device_attribute *attr, | |
2545 | char *buf) | |
2546 | { | |
2547 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2548 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2549 | ||
2550 | return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay); | |
2551 | } | |
2552 | static DEVICE_ATTR(device_delay, S_IRUGO, _ctl_device_delay_show, NULL); | |
2553 | ||
2554 | /** | |
2555 | * _ctl_fw_queue_depth_show - global credits | |
2556 | * @cdev - pointer to embedded class device | |
2557 | * @buf - the buffer returned | |
2558 | * | |
2559 | * This is firmware queue depth limit | |
2560 | * | |
2561 | * A sysfs 'read-only' shost attribute. | |
2562 | */ | |
2563 | static ssize_t | |
2564 | _ctl_fw_queue_depth_show(struct device *cdev, struct device_attribute *attr, | |
2565 | char *buf) | |
2566 | { | |
2567 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2568 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2569 | ||
2570 | return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->facts.RequestCredit); | |
2571 | } | |
2572 | static DEVICE_ATTR(fw_queue_depth, S_IRUGO, _ctl_fw_queue_depth_show, NULL); | |
2573 | ||
2574 | /** | |
2575 | * _ctl_sas_address_show - sas address | |
2576 | * @cdev - pointer to embedded class device | |
2577 | * @buf - the buffer returned | |
2578 | * | |
2579 | * This is the controller sas address | |
2580 | * | |
2581 | * A sysfs 'read-only' shost attribute. | |
2582 | */ | |
2583 | static ssize_t | |
2584 | _ctl_host_sas_address_show(struct device *cdev, struct device_attribute *attr, | |
2585 | char *buf) | |
2586 | ||
2587 | { | |
2588 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2589 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2590 | ||
2591 | return snprintf(buf, PAGE_SIZE, "0x%016llx\n", | |
2592 | (unsigned long long)ioc->sas_hba.sas_address); | |
2593 | } | |
2594 | static DEVICE_ATTR(host_sas_address, S_IRUGO, | |
2595 | _ctl_host_sas_address_show, NULL); | |
2596 | ||
2597 | /** | |
2598 | * _ctl_logging_level_show - logging level | |
2599 | * @cdev - pointer to embedded class device | |
2600 | * @buf - the buffer returned | |
2601 | * | |
2602 | * A sysfs 'read/write' shost attribute. | |
2603 | */ | |
2604 | static ssize_t | |
2605 | _ctl_logging_level_show(struct device *cdev, struct device_attribute *attr, | |
2606 | char *buf) | |
2607 | { | |
2608 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2609 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2610 | ||
2611 | return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->logging_level); | |
2612 | } | |
2613 | static ssize_t | |
2614 | _ctl_logging_level_store(struct device *cdev, struct device_attribute *attr, | |
2615 | const char *buf, size_t count) | |
2616 | { | |
2617 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2618 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2619 | int val = 0; | |
2620 | ||
2621 | if (sscanf(buf, "%x", &val) != 1) | |
2622 | return -EINVAL; | |
2623 | ||
2624 | ioc->logging_level = val; | |
2625 | pr_info(MPT3SAS_FMT "logging_level=%08xh\n", ioc->name, | |
2626 | ioc->logging_level); | |
2627 | return strlen(buf); | |
2628 | } | |
2629 | static DEVICE_ATTR(logging_level, S_IRUGO | S_IWUSR, _ctl_logging_level_show, | |
2630 | _ctl_logging_level_store); | |
2631 | ||
2632 | /** | |
2633 | * _ctl_fwfault_debug_show - show/store fwfault_debug | |
2634 | * @cdev - pointer to embedded class device | |
2635 | * @buf - the buffer returned | |
2636 | * | |
2637 | * mpt3sas_fwfault_debug is command line option | |
2638 | * A sysfs 'read/write' shost attribute. | |
2639 | */ | |
2640 | static ssize_t | |
2641 | _ctl_fwfault_debug_show(struct device *cdev, struct device_attribute *attr, | |
2642 | char *buf) | |
2643 | { | |
2644 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2645 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2646 | ||
2647 | return snprintf(buf, PAGE_SIZE, "%d\n", ioc->fwfault_debug); | |
2648 | } | |
2649 | static ssize_t | |
2650 | _ctl_fwfault_debug_store(struct device *cdev, struct device_attribute *attr, | |
2651 | const char *buf, size_t count) | |
2652 | { | |
2653 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2654 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2655 | int val = 0; | |
2656 | ||
2657 | if (sscanf(buf, "%d", &val) != 1) | |
2658 | return -EINVAL; | |
2659 | ||
2660 | ioc->fwfault_debug = val; | |
2661 | pr_info(MPT3SAS_FMT "fwfault_debug=%d\n", ioc->name, | |
2662 | ioc->fwfault_debug); | |
2663 | return strlen(buf); | |
2664 | } | |
2665 | static DEVICE_ATTR(fwfault_debug, S_IRUGO | S_IWUSR, | |
2666 | _ctl_fwfault_debug_show, _ctl_fwfault_debug_store); | |
2667 | ||
2668 | /** | |
2669 | * _ctl_ioc_reset_count_show - ioc reset count | |
2670 | * @cdev - pointer to embedded class device | |
2671 | * @buf - the buffer returned | |
2672 | * | |
2673 | * This is firmware queue depth limit | |
2674 | * | |
2675 | * A sysfs 'read-only' shost attribute. | |
2676 | */ | |
2677 | static ssize_t | |
2678 | _ctl_ioc_reset_count_show(struct device *cdev, struct device_attribute *attr, | |
2679 | char *buf) | |
2680 | { | |
2681 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2682 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2683 | ||
2684 | return snprintf(buf, PAGE_SIZE, "%d\n", ioc->ioc_reset_count); | |
2685 | } | |
2686 | static DEVICE_ATTR(ioc_reset_count, S_IRUGO, _ctl_ioc_reset_count_show, NULL); | |
2687 | ||
2688 | /** | |
2689 | * _ctl_ioc_reply_queue_count_show - number of reply queues | |
2690 | * @cdev - pointer to embedded class device | |
2691 | * @buf - the buffer returned | |
2692 | * | |
2693 | * This is number of reply queues | |
2694 | * | |
2695 | * A sysfs 'read-only' shost attribute. | |
2696 | */ | |
2697 | static ssize_t | |
2698 | _ctl_ioc_reply_queue_count_show(struct device *cdev, | |
2699 | struct device_attribute *attr, char *buf) | |
2700 | { | |
2701 | u8 reply_queue_count; | |
2702 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2703 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2704 | ||
2705 | if ((ioc->facts.IOCCapabilities & | |
2706 | MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable) | |
2707 | reply_queue_count = ioc->reply_queue_count; | |
2708 | else | |
2709 | reply_queue_count = 1; | |
2710 | ||
2711 | return snprintf(buf, PAGE_SIZE, "%d\n", reply_queue_count); | |
2712 | } | |
2713 | static DEVICE_ATTR(reply_queue_count, S_IRUGO, _ctl_ioc_reply_queue_count_show, | |
2714 | NULL); | |
2715 | ||
2716 | struct DIAG_BUFFER_START { | |
2717 | __le32 Size; | |
2718 | __le32 DiagVersion; | |
2719 | u8 BufferType; | |
2720 | u8 Reserved[3]; | |
2721 | __le32 Reserved1; | |
2722 | __le32 Reserved2; | |
2723 | __le32 Reserved3; | |
2724 | }; | |
2725 | ||
2726 | /** | |
2727 | * _ctl_host_trace_buffer_size_show - host buffer size (trace only) | |
2728 | * @cdev - pointer to embedded class device | |
2729 | * @buf - the buffer returned | |
2730 | * | |
2731 | * A sysfs 'read-only' shost attribute. | |
2732 | */ | |
2733 | static ssize_t | |
2734 | _ctl_host_trace_buffer_size_show(struct device *cdev, | |
2735 | struct device_attribute *attr, char *buf) | |
2736 | { | |
2737 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2738 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2739 | u32 size = 0; | |
2740 | struct DIAG_BUFFER_START *request_data; | |
2741 | ||
2742 | if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) { | |
2743 | pr_err(MPT3SAS_FMT | |
2744 | "%s: host_trace_buffer is not registered\n", | |
2745 | ioc->name, __func__); | |
2746 | return 0; | |
2747 | } | |
2748 | ||
2749 | if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2750 | MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) { | |
2751 | pr_err(MPT3SAS_FMT | |
2752 | "%s: host_trace_buffer is not registered\n", | |
2753 | ioc->name, __func__); | |
2754 | return 0; | |
2755 | } | |
2756 | ||
2757 | request_data = (struct DIAG_BUFFER_START *) | |
2758 | ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]; | |
2759 | if ((le32_to_cpu(request_data->DiagVersion) == 0x00000000 || | |
2760 | le32_to_cpu(request_data->DiagVersion) == 0x01000000 || | |
2761 | le32_to_cpu(request_data->DiagVersion) == 0x01010000) && | |
2762 | le32_to_cpu(request_data->Reserved3) == 0x4742444c) | |
2763 | size = le32_to_cpu(request_data->Size); | |
2764 | ||
2765 | ioc->ring_buffer_sz = size; | |
2766 | return snprintf(buf, PAGE_SIZE, "%d\n", size); | |
2767 | } | |
2768 | static DEVICE_ATTR(host_trace_buffer_size, S_IRUGO, | |
2769 | _ctl_host_trace_buffer_size_show, NULL); | |
2770 | ||
2771 | /** | |
2772 | * _ctl_host_trace_buffer_show - firmware ring buffer (trace only) | |
2773 | * @cdev - pointer to embedded class device | |
2774 | * @buf - the buffer returned | |
2775 | * | |
2776 | * A sysfs 'read/write' shost attribute. | |
2777 | * | |
2778 | * You will only be able to read 4k bytes of ring buffer at a time. | |
2779 | * In order to read beyond 4k bytes, you will have to write out the | |
2780 | * offset to the same attribute, it will move the pointer. | |
2781 | */ | |
2782 | static ssize_t | |
2783 | _ctl_host_trace_buffer_show(struct device *cdev, struct device_attribute *attr, | |
2784 | char *buf) | |
2785 | { | |
2786 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2787 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2788 | void *request_data; | |
2789 | u32 size; | |
2790 | ||
2791 | if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) { | |
2792 | pr_err(MPT3SAS_FMT | |
2793 | "%s: host_trace_buffer is not registered\n", | |
2794 | ioc->name, __func__); | |
2795 | return 0; | |
2796 | } | |
2797 | ||
2798 | if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2799 | MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) { | |
2800 | pr_err(MPT3SAS_FMT | |
2801 | "%s: host_trace_buffer is not registered\n", | |
2802 | ioc->name, __func__); | |
2803 | return 0; | |
2804 | } | |
2805 | ||
2806 | if (ioc->ring_buffer_offset > ioc->ring_buffer_sz) | |
2807 | return 0; | |
2808 | ||
2809 | size = ioc->ring_buffer_sz - ioc->ring_buffer_offset; | |
2810 | size = (size >= PAGE_SIZE) ? (PAGE_SIZE - 1) : size; | |
2811 | request_data = ioc->diag_buffer[0] + ioc->ring_buffer_offset; | |
2812 | memcpy(buf, request_data, size); | |
2813 | return size; | |
2814 | } | |
2815 | ||
2816 | static ssize_t | |
2817 | _ctl_host_trace_buffer_store(struct device *cdev, struct device_attribute *attr, | |
2818 | const char *buf, size_t count) | |
2819 | { | |
2820 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2821 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2822 | int val = 0; | |
2823 | ||
2824 | if (sscanf(buf, "%d", &val) != 1) | |
2825 | return -EINVAL; | |
2826 | ||
2827 | ioc->ring_buffer_offset = val; | |
2828 | return strlen(buf); | |
2829 | } | |
2830 | static DEVICE_ATTR(host_trace_buffer, S_IRUGO | S_IWUSR, | |
2831 | _ctl_host_trace_buffer_show, _ctl_host_trace_buffer_store); | |
2832 | ||
2833 | ||
2834 | /*****************************************/ | |
2835 | ||
2836 | /** | |
2837 | * _ctl_host_trace_buffer_enable_show - firmware ring buffer (trace only) | |
2838 | * @cdev - pointer to embedded class device | |
2839 | * @buf - the buffer returned | |
2840 | * | |
2841 | * A sysfs 'read/write' shost attribute. | |
2842 | * | |
2843 | * This is a mechnism to post/release host_trace_buffers | |
2844 | */ | |
2845 | static ssize_t | |
2846 | _ctl_host_trace_buffer_enable_show(struct device *cdev, | |
2847 | struct device_attribute *attr, char *buf) | |
2848 | { | |
2849 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2850 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2851 | ||
2852 | if ((!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) || | |
2853 | ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2854 | MPT3_DIAG_BUFFER_IS_REGISTERED) == 0)) | |
2855 | return snprintf(buf, PAGE_SIZE, "off\n"); | |
2856 | else if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2857 | MPT3_DIAG_BUFFER_IS_RELEASED)) | |
2858 | return snprintf(buf, PAGE_SIZE, "release\n"); | |
2859 | else | |
2860 | return snprintf(buf, PAGE_SIZE, "post\n"); | |
2861 | } | |
2862 | ||
2863 | static ssize_t | |
2864 | _ctl_host_trace_buffer_enable_store(struct device *cdev, | |
2865 | struct device_attribute *attr, const char *buf, size_t count) | |
2866 | { | |
2867 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2868 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2869 | char str[10] = ""; | |
2870 | struct mpt3_diag_register diag_register; | |
2871 | u8 issue_reset = 0; | |
2872 | ||
2873 | /* don't allow post/release occurr while recovery is active */ | |
2874 | if (ioc->shost_recovery || ioc->remove_host || | |
2875 | ioc->pci_error_recovery || ioc->is_driver_loading) | |
2876 | return -EBUSY; | |
2877 | ||
2878 | if (sscanf(buf, "%9s", str) != 1) | |
2879 | return -EINVAL; | |
2880 | ||
2881 | if (!strcmp(str, "post")) { | |
2882 | /* exit out if host buffers are already posted */ | |
2883 | if ((ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) && | |
2884 | (ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2885 | MPT3_DIAG_BUFFER_IS_REGISTERED) && | |
2886 | ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2887 | MPT3_DIAG_BUFFER_IS_RELEASED) == 0)) | |
2888 | goto out; | |
2889 | memset(&diag_register, 0, sizeof(struct mpt3_diag_register)); | |
2890 | pr_info(MPT3SAS_FMT "posting host trace buffers\n", | |
2891 | ioc->name); | |
2892 | diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_TRACE; | |
2893 | diag_register.requested_buffer_size = (1024 * 1024); | |
2894 | diag_register.unique_id = 0x7075900; | |
2895 | ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] = 0; | |
2896 | _ctl_diag_register_2(ioc, &diag_register); | |
2897 | } else if (!strcmp(str, "release")) { | |
2898 | /* exit out if host buffers are already released */ | |
2899 | if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) | |
2900 | goto out; | |
2901 | if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2902 | MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) | |
2903 | goto out; | |
2904 | if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2905 | MPT3_DIAG_BUFFER_IS_RELEASED)) | |
2906 | goto out; | |
2907 | pr_info(MPT3SAS_FMT "releasing host trace buffer\n", | |
2908 | ioc->name); | |
2909 | mpt3sas_send_diag_release(ioc, MPI2_DIAG_BUF_TYPE_TRACE, | |
2910 | &issue_reset); | |
2911 | } | |
2912 | ||
2913 | out: | |
2914 | return strlen(buf); | |
2915 | } | |
2916 | static DEVICE_ATTR(host_trace_buffer_enable, S_IRUGO | S_IWUSR, | |
2917 | _ctl_host_trace_buffer_enable_show, | |
2918 | _ctl_host_trace_buffer_enable_store); | |
2919 | ||
2920 | /*********** diagnostic trigger suppport *********************************/ | |
2921 | ||
2922 | /** | |
2923 | * _ctl_diag_trigger_master_show - show the diag_trigger_master attribute | |
2924 | * @cdev - pointer to embedded class device | |
2925 | * @buf - the buffer returned | |
2926 | * | |
2927 | * A sysfs 'read/write' shost attribute. | |
2928 | */ | |
2929 | static ssize_t | |
2930 | _ctl_diag_trigger_master_show(struct device *cdev, | |
2931 | struct device_attribute *attr, char *buf) | |
2932 | ||
2933 | { | |
2934 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2935 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2936 | unsigned long flags; | |
2937 | ssize_t rc; | |
2938 | ||
2939 | spin_lock_irqsave(&ioc->diag_trigger_lock, flags); | |
2940 | rc = sizeof(struct SL_WH_MASTER_TRIGGER_T); | |
2941 | memcpy(buf, &ioc->diag_trigger_master, rc); | |
2942 | spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags); | |
2943 | return rc; | |
2944 | } | |
2945 | ||
2946 | /** | |
2947 | * _ctl_diag_trigger_master_store - store the diag_trigger_master attribute | |
2948 | * @cdev - pointer to embedded class device | |
2949 | * @buf - the buffer returned | |
2950 | * | |
2951 | * A sysfs 'read/write' shost attribute. | |
2952 | */ | |
2953 | static ssize_t | |
2954 | _ctl_diag_trigger_master_store(struct device *cdev, | |
2955 | struct device_attribute *attr, const char *buf, size_t count) | |
2956 | ||
2957 | { | |
2958 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2959 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2960 | unsigned long flags; | |
2961 | ssize_t rc; | |
2962 | ||
2963 | spin_lock_irqsave(&ioc->diag_trigger_lock, flags); | |
2964 | rc = min(sizeof(struct SL_WH_MASTER_TRIGGER_T), count); | |
2965 | memset(&ioc->diag_trigger_master, 0, | |
2966 | sizeof(struct SL_WH_MASTER_TRIGGER_T)); | |
2967 | memcpy(&ioc->diag_trigger_master, buf, rc); | |
2968 | ioc->diag_trigger_master.MasterData |= | |
2969 | (MASTER_TRIGGER_FW_FAULT + MASTER_TRIGGER_ADAPTER_RESET); | |
2970 | spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags); | |
2971 | return rc; | |
2972 | } | |
2973 | static DEVICE_ATTR(diag_trigger_master, S_IRUGO | S_IWUSR, | |
2974 | _ctl_diag_trigger_master_show, _ctl_diag_trigger_master_store); | |
2975 | ||
2976 | ||
2977 | /** | |
2978 | * _ctl_diag_trigger_event_show - show the diag_trigger_event attribute | |
2979 | * @cdev - pointer to embedded class device | |
2980 | * @buf - the buffer returned | |
2981 | * | |
2982 | * A sysfs 'read/write' shost attribute. | |
2983 | */ | |
2984 | static ssize_t | |
2985 | _ctl_diag_trigger_event_show(struct device *cdev, | |
2986 | struct device_attribute *attr, char *buf) | |
2987 | { | |
2988 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2989 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2990 | unsigned long flags; | |
2991 | ssize_t rc; | |
2992 | ||
2993 | spin_lock_irqsave(&ioc->diag_trigger_lock, flags); | |
2994 | rc = sizeof(struct SL_WH_EVENT_TRIGGERS_T); | |
2995 | memcpy(buf, &ioc->diag_trigger_event, rc); | |
2996 | spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags); | |
2997 | return rc; | |
2998 | } | |
2999 | ||
3000 | /** | |
3001 | * _ctl_diag_trigger_event_store - store the diag_trigger_event attribute | |
3002 | * @cdev - pointer to embedded class device | |
3003 | * @buf - the buffer returned | |
3004 | * | |
3005 | * A sysfs 'read/write' shost attribute. | |
3006 | */ | |
3007 | static ssize_t | |
3008 | _ctl_diag_trigger_event_store(struct device *cdev, | |
3009 | struct device_attribute *attr, const char *buf, size_t count) | |
3010 | ||
3011 | { | |
3012 | struct Scsi_Host *shost = class_to_shost(cdev); | |
3013 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
3014 | unsigned long flags; | |
3015 | ssize_t sz; | |
3016 | ||
3017 | spin_lock_irqsave(&ioc->diag_trigger_lock, flags); | |
3018 | sz = min(sizeof(struct SL_WH_EVENT_TRIGGERS_T), count); | |
3019 | memset(&ioc->diag_trigger_event, 0, | |
3020 | sizeof(struct SL_WH_EVENT_TRIGGERS_T)); | |
3021 | memcpy(&ioc->diag_trigger_event, buf, sz); | |
3022 | if (ioc->diag_trigger_event.ValidEntries > NUM_VALID_ENTRIES) | |
3023 | ioc->diag_trigger_event.ValidEntries = NUM_VALID_ENTRIES; | |
3024 | spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags); | |
3025 | return sz; | |
3026 | } | |
3027 | static DEVICE_ATTR(diag_trigger_event, S_IRUGO | S_IWUSR, | |
3028 | _ctl_diag_trigger_event_show, _ctl_diag_trigger_event_store); | |
3029 | ||
3030 | ||
3031 | /** | |
3032 | * _ctl_diag_trigger_scsi_show - show the diag_trigger_scsi attribute | |
3033 | * @cdev - pointer to embedded class device | |
3034 | * @buf - the buffer returned | |
3035 | * | |
3036 | * A sysfs 'read/write' shost attribute. | |
3037 | */ | |
3038 | static ssize_t | |
3039 | _ctl_diag_trigger_scsi_show(struct device *cdev, | |
3040 | struct device_attribute *attr, char *buf) | |
3041 | { | |
3042 | struct Scsi_Host *shost = class_to_shost(cdev); | |
3043 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
3044 | unsigned long flags; | |
3045 | ssize_t rc; | |
3046 | ||
3047 | spin_lock_irqsave(&ioc->diag_trigger_lock, flags); | |
3048 | rc = sizeof(struct SL_WH_SCSI_TRIGGERS_T); | |
3049 | memcpy(buf, &ioc->diag_trigger_scsi, rc); | |
3050 | spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags); | |
3051 | return rc; | |
3052 | } | |
3053 | ||
3054 | /** | |
3055 | * _ctl_diag_trigger_scsi_store - store the diag_trigger_scsi attribute | |
3056 | * @cdev - pointer to embedded class device | |
3057 | * @buf - the buffer returned | |
3058 | * | |
3059 | * A sysfs 'read/write' shost attribute. | |
3060 | */ | |
3061 | static ssize_t | |
3062 | _ctl_diag_trigger_scsi_store(struct device *cdev, | |
3063 | struct device_attribute *attr, const char *buf, size_t count) | |
3064 | { | |
3065 | struct Scsi_Host *shost = class_to_shost(cdev); | |
3066 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
3067 | unsigned long flags; | |
3068 | ssize_t sz; | |
3069 | ||
3070 | spin_lock_irqsave(&ioc->diag_trigger_lock, flags); | |
3071 | sz = min(sizeof(struct SL_WH_SCSI_TRIGGERS_T), count); | |
3072 | memset(&ioc->diag_trigger_scsi, 0, | |
3073 | sizeof(struct SL_WH_EVENT_TRIGGERS_T)); | |
3074 | memcpy(&ioc->diag_trigger_scsi, buf, sz); | |
3075 | if (ioc->diag_trigger_scsi.ValidEntries > NUM_VALID_ENTRIES) | |
3076 | ioc->diag_trigger_scsi.ValidEntries = NUM_VALID_ENTRIES; | |
3077 | spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags); | |
3078 | return sz; | |
3079 | } | |
3080 | static DEVICE_ATTR(diag_trigger_scsi, S_IRUGO | S_IWUSR, | |
3081 | _ctl_diag_trigger_scsi_show, _ctl_diag_trigger_scsi_store); | |
3082 | ||
3083 | ||
3084 | /** | |
3085 | * _ctl_diag_trigger_scsi_show - show the diag_trigger_mpi attribute | |
3086 | * @cdev - pointer to embedded class device | |
3087 | * @buf - the buffer returned | |
3088 | * | |
3089 | * A sysfs 'read/write' shost attribute. | |
3090 | */ | |
3091 | static ssize_t | |
3092 | _ctl_diag_trigger_mpi_show(struct device *cdev, | |
3093 | struct device_attribute *attr, char *buf) | |
3094 | { | |
3095 | struct Scsi_Host *shost = class_to_shost(cdev); | |
3096 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
3097 | unsigned long flags; | |
3098 | ssize_t rc; | |
3099 | ||
3100 | spin_lock_irqsave(&ioc->diag_trigger_lock, flags); | |
3101 | rc = sizeof(struct SL_WH_MPI_TRIGGERS_T); | |
3102 | memcpy(buf, &ioc->diag_trigger_mpi, rc); | |
3103 | spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags); | |
3104 | return rc; | |
3105 | } | |
3106 | ||
3107 | /** | |
3108 | * _ctl_diag_trigger_mpi_store - store the diag_trigger_mpi attribute | |
3109 | * @cdev - pointer to embedded class device | |
3110 | * @buf - the buffer returned | |
3111 | * | |
3112 | * A sysfs 'read/write' shost attribute. | |
3113 | */ | |
3114 | static ssize_t | |
3115 | _ctl_diag_trigger_mpi_store(struct device *cdev, | |
3116 | struct device_attribute *attr, const char *buf, size_t count) | |
3117 | { | |
3118 | struct Scsi_Host *shost = class_to_shost(cdev); | |
3119 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
3120 | unsigned long flags; | |
3121 | ssize_t sz; | |
3122 | ||
3123 | spin_lock_irqsave(&ioc->diag_trigger_lock, flags); | |
3124 | sz = min(sizeof(struct SL_WH_MPI_TRIGGERS_T), count); | |
3125 | memset(&ioc->diag_trigger_mpi, 0, | |
66331e8c | 3126 | sizeof(ioc->diag_trigger_mpi)); |
f92363d1 SR |
3127 | memcpy(&ioc->diag_trigger_mpi, buf, sz); |
3128 | if (ioc->diag_trigger_mpi.ValidEntries > NUM_VALID_ENTRIES) | |
3129 | ioc->diag_trigger_mpi.ValidEntries = NUM_VALID_ENTRIES; | |
3130 | spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags); | |
3131 | return sz; | |
3132 | } | |
3133 | ||
3134 | static DEVICE_ATTR(diag_trigger_mpi, S_IRUGO | S_IWUSR, | |
3135 | _ctl_diag_trigger_mpi_show, _ctl_diag_trigger_mpi_store); | |
3136 | ||
3137 | /*********** diagnostic trigger suppport *** END ****************************/ | |
3138 | ||
3139 | ||
3140 | ||
3141 | /*****************************************/ | |
3142 | ||
3143 | struct device_attribute *mpt3sas_host_attrs[] = { | |
3144 | &dev_attr_version_fw, | |
3145 | &dev_attr_version_bios, | |
3146 | &dev_attr_version_mpi, | |
3147 | &dev_attr_version_product, | |
3148 | &dev_attr_version_nvdata_persistent, | |
3149 | &dev_attr_version_nvdata_default, | |
3150 | &dev_attr_board_name, | |
3151 | &dev_attr_board_assembly, | |
3152 | &dev_attr_board_tracer, | |
3153 | &dev_attr_io_delay, | |
3154 | &dev_attr_device_delay, | |
3155 | &dev_attr_logging_level, | |
3156 | &dev_attr_fwfault_debug, | |
3157 | &dev_attr_fw_queue_depth, | |
3158 | &dev_attr_host_sas_address, | |
3159 | &dev_attr_ioc_reset_count, | |
3160 | &dev_attr_host_trace_buffer_size, | |
3161 | &dev_attr_host_trace_buffer, | |
3162 | &dev_attr_host_trace_buffer_enable, | |
3163 | &dev_attr_reply_queue_count, | |
3164 | &dev_attr_diag_trigger_master, | |
3165 | &dev_attr_diag_trigger_event, | |
3166 | &dev_attr_diag_trigger_scsi, | |
3167 | &dev_attr_diag_trigger_mpi, | |
3168 | NULL, | |
3169 | }; | |
3170 | ||
3171 | /* device attributes */ | |
3172 | ||
3173 | /** | |
3174 | * _ctl_device_sas_address_show - sas address | |
3175 | * @cdev - pointer to embedded class device | |
3176 | * @buf - the buffer returned | |
3177 | * | |
3178 | * This is the sas address for the target | |
3179 | * | |
3180 | * A sysfs 'read-only' shost attribute. | |
3181 | */ | |
3182 | static ssize_t | |
3183 | _ctl_device_sas_address_show(struct device *dev, struct device_attribute *attr, | |
3184 | char *buf) | |
3185 | { | |
3186 | struct scsi_device *sdev = to_scsi_device(dev); | |
3187 | struct MPT3SAS_DEVICE *sas_device_priv_data = sdev->hostdata; | |
3188 | ||
3189 | return snprintf(buf, PAGE_SIZE, "0x%016llx\n", | |
3190 | (unsigned long long)sas_device_priv_data->sas_target->sas_address); | |
3191 | } | |
3192 | static DEVICE_ATTR(sas_address, S_IRUGO, _ctl_device_sas_address_show, NULL); | |
3193 | ||
3194 | /** | |
3195 | * _ctl_device_handle_show - device handle | |
3196 | * @cdev - pointer to embedded class device | |
3197 | * @buf - the buffer returned | |
3198 | * | |
3199 | * This is the firmware assigned device handle | |
3200 | * | |
3201 | * A sysfs 'read-only' shost attribute. | |
3202 | */ | |
3203 | static ssize_t | |
3204 | _ctl_device_handle_show(struct device *dev, struct device_attribute *attr, | |
3205 | char *buf) | |
3206 | { | |
3207 | struct scsi_device *sdev = to_scsi_device(dev); | |
3208 | struct MPT3SAS_DEVICE *sas_device_priv_data = sdev->hostdata; | |
3209 | ||
3210 | return snprintf(buf, PAGE_SIZE, "0x%04x\n", | |
3211 | sas_device_priv_data->sas_target->handle); | |
3212 | } | |
3213 | static DEVICE_ATTR(sas_device_handle, S_IRUGO, _ctl_device_handle_show, NULL); | |
3214 | ||
3215 | struct device_attribute *mpt3sas_dev_attrs[] = { | |
3216 | &dev_attr_sas_address, | |
3217 | &dev_attr_sas_device_handle, | |
3218 | NULL, | |
3219 | }; | |
3220 | ||
f92363d1 | 3221 | /** |
8a7e4c24 | 3222 | * ctl_init - main entry point for ctl. |
f92363d1 SR |
3223 | * |
3224 | */ | |
3225 | void | |
8a7e4c24 | 3226 | ctl_init(void) |
f92363d1 SR |
3227 | { |
3228 | async_queue = NULL; | |
f92363d1 SR |
3229 | init_waitqueue_head(&ctl_poll_wait); |
3230 | } | |
3231 | ||
3232 | /** | |
8a7e4c24 | 3233 | * ctl_exit - exit point for ctl |
f92363d1 SR |
3234 | * |
3235 | */ | |
3236 | void | |
8a7e4c24 | 3237 | ctl_exit(void) |
f92363d1 SR |
3238 | { |
3239 | struct MPT3SAS_ADAPTER *ioc; | |
3240 | int i; | |
3241 | ||
3242 | list_for_each_entry(ioc, &mpt3sas_ioc_list, list) { | |
3243 | ||
3244 | /* free memory associated to diag buffers */ | |
3245 | for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { | |
3246 | if (!ioc->diag_buffer[i]) | |
3247 | continue; | |
3248 | if (!(ioc->diag_buffer_status[i] & | |
3249 | MPT3_DIAG_BUFFER_IS_REGISTERED)) | |
3250 | continue; | |
3251 | if ((ioc->diag_buffer_status[i] & | |
3252 | MPT3_DIAG_BUFFER_IS_RELEASED)) | |
3253 | continue; | |
3254 | pci_free_consistent(ioc->pdev, ioc->diag_buffer_sz[i], | |
3255 | ioc->diag_buffer[i], ioc->diag_buffer_dma[i]); | |
3256 | ioc->diag_buffer[i] = NULL; | |
3257 | ioc->diag_buffer_status[i] = 0; | |
3258 | } | |
3259 | ||
3260 | kfree(ioc->event_log); | |
3261 | } | |
f92363d1 | 3262 | } |