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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 | ||
f92363d1 SR |
81 | /** |
82 | * _ctl_sas_device_find_by_handle - sas device search | |
83 | * @ioc: per adapter object | |
84 | * @handle: sas device handle (assigned by firmware) | |
85 | * Context: Calling function should acquire ioc->sas_device_lock | |
86 | * | |
87 | * This searches for sas_device based on sas_address, then return sas_device | |
88 | * object. | |
89 | */ | |
90 | static struct _sas_device * | |
91 | _ctl_sas_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle) | |
92 | { | |
93 | struct _sas_device *sas_device, *r; | |
94 | ||
95 | r = NULL; | |
96 | list_for_each_entry(sas_device, &ioc->sas_device_list, list) { | |
97 | if (sas_device->handle != handle) | |
98 | continue; | |
99 | r = sas_device; | |
100 | goto out; | |
101 | } | |
102 | ||
103 | out: | |
104 | return r; | |
105 | } | |
106 | ||
107 | /** | |
108 | * _ctl_display_some_debug - debug routine | |
109 | * @ioc: per adapter object | |
110 | * @smid: system request message index | |
111 | * @calling_function_name: string pass from calling function | |
112 | * @mpi_reply: reply message frame | |
113 | * Context: none. | |
114 | * | |
115 | * Function for displaying debug info helpful when debugging issues | |
116 | * in this module. | |
117 | */ | |
118 | static void | |
119 | _ctl_display_some_debug(struct MPT3SAS_ADAPTER *ioc, u16 smid, | |
120 | char *calling_function_name, MPI2DefaultReply_t *mpi_reply) | |
121 | { | |
122 | Mpi2ConfigRequest_t *mpi_request; | |
123 | char *desc = NULL; | |
124 | ||
125 | if (!(ioc->logging_level & MPT_DEBUG_IOCTL)) | |
126 | return; | |
127 | ||
128 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); | |
129 | switch (mpi_request->Function) { | |
130 | case MPI2_FUNCTION_SCSI_IO_REQUEST: | |
131 | { | |
132 | Mpi2SCSIIORequest_t *scsi_request = | |
133 | (Mpi2SCSIIORequest_t *)mpi_request; | |
134 | ||
135 | snprintf(ioc->tmp_string, MPT_STRING_LENGTH, | |
136 | "scsi_io, cmd(0x%02x), cdb_len(%d)", | |
137 | scsi_request->CDB.CDB32[0], | |
138 | le16_to_cpu(scsi_request->IoFlags) & 0xF); | |
139 | desc = ioc->tmp_string; | |
140 | break; | |
141 | } | |
142 | case MPI2_FUNCTION_SCSI_TASK_MGMT: | |
143 | desc = "task_mgmt"; | |
144 | break; | |
145 | case MPI2_FUNCTION_IOC_INIT: | |
146 | desc = "ioc_init"; | |
147 | break; | |
148 | case MPI2_FUNCTION_IOC_FACTS: | |
149 | desc = "ioc_facts"; | |
150 | break; | |
151 | case MPI2_FUNCTION_CONFIG: | |
152 | { | |
153 | Mpi2ConfigRequest_t *config_request = | |
154 | (Mpi2ConfigRequest_t *)mpi_request; | |
155 | ||
156 | snprintf(ioc->tmp_string, MPT_STRING_LENGTH, | |
157 | "config, type(0x%02x), ext_type(0x%02x), number(%d)", | |
158 | (config_request->Header.PageType & | |
159 | MPI2_CONFIG_PAGETYPE_MASK), config_request->ExtPageType, | |
160 | config_request->Header.PageNumber); | |
161 | desc = ioc->tmp_string; | |
162 | break; | |
163 | } | |
164 | case MPI2_FUNCTION_PORT_FACTS: | |
165 | desc = "port_facts"; | |
166 | break; | |
167 | case MPI2_FUNCTION_PORT_ENABLE: | |
168 | desc = "port_enable"; | |
169 | break; | |
170 | case MPI2_FUNCTION_EVENT_NOTIFICATION: | |
171 | desc = "event_notification"; | |
172 | break; | |
173 | case MPI2_FUNCTION_FW_DOWNLOAD: | |
174 | desc = "fw_download"; | |
175 | break; | |
176 | case MPI2_FUNCTION_FW_UPLOAD: | |
177 | desc = "fw_upload"; | |
178 | break; | |
179 | case MPI2_FUNCTION_RAID_ACTION: | |
180 | desc = "raid_action"; | |
181 | break; | |
182 | case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: | |
183 | { | |
184 | Mpi2SCSIIORequest_t *scsi_request = | |
185 | (Mpi2SCSIIORequest_t *)mpi_request; | |
186 | ||
187 | snprintf(ioc->tmp_string, MPT_STRING_LENGTH, | |
188 | "raid_pass, cmd(0x%02x), cdb_len(%d)", | |
189 | scsi_request->CDB.CDB32[0], | |
190 | le16_to_cpu(scsi_request->IoFlags) & 0xF); | |
191 | desc = ioc->tmp_string; | |
192 | break; | |
193 | } | |
194 | case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL: | |
195 | desc = "sas_iounit_cntl"; | |
196 | break; | |
197 | case MPI2_FUNCTION_SATA_PASSTHROUGH: | |
198 | desc = "sata_pass"; | |
199 | break; | |
200 | case MPI2_FUNCTION_DIAG_BUFFER_POST: | |
201 | desc = "diag_buffer_post"; | |
202 | break; | |
203 | case MPI2_FUNCTION_DIAG_RELEASE: | |
204 | desc = "diag_release"; | |
205 | break; | |
206 | case MPI2_FUNCTION_SMP_PASSTHROUGH: | |
207 | desc = "smp_passthrough"; | |
208 | break; | |
209 | } | |
210 | ||
211 | if (!desc) | |
212 | return; | |
213 | ||
214 | pr_info(MPT3SAS_FMT "%s: %s, smid(%d)\n", | |
215 | ioc->name, calling_function_name, desc, smid); | |
216 | ||
217 | if (!mpi_reply) | |
218 | return; | |
219 | ||
220 | if (mpi_reply->IOCStatus || mpi_reply->IOCLogInfo) | |
221 | pr_info(MPT3SAS_FMT | |
222 | "\tiocstatus(0x%04x), loginfo(0x%08x)\n", | |
223 | ioc->name, le16_to_cpu(mpi_reply->IOCStatus), | |
224 | le32_to_cpu(mpi_reply->IOCLogInfo)); | |
225 | ||
226 | if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || | |
227 | mpi_request->Function == | |
228 | MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) { | |
229 | Mpi2SCSIIOReply_t *scsi_reply = | |
230 | (Mpi2SCSIIOReply_t *)mpi_reply; | |
231 | struct _sas_device *sas_device = NULL; | |
232 | unsigned long flags; | |
233 | ||
234 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
235 | sas_device = _ctl_sas_device_find_by_handle(ioc, | |
236 | le16_to_cpu(scsi_reply->DevHandle)); | |
237 | if (sas_device) { | |
238 | pr_warn(MPT3SAS_FMT "\tsas_address(0x%016llx), phy(%d)\n", | |
239 | ioc->name, (unsigned long long) | |
240 | sas_device->sas_address, sas_device->phy); | |
241 | pr_warn(MPT3SAS_FMT | |
242 | "\tenclosure_logical_id(0x%016llx), slot(%d)\n", | |
243 | ioc->name, (unsigned long long) | |
244 | sas_device->enclosure_logical_id, sas_device->slot); | |
245 | } | |
246 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
247 | if (scsi_reply->SCSIState || scsi_reply->SCSIStatus) | |
248 | pr_info(MPT3SAS_FMT | |
249 | "\tscsi_state(0x%02x), scsi_status" | |
250 | "(0x%02x)\n", ioc->name, | |
251 | scsi_reply->SCSIState, | |
252 | scsi_reply->SCSIStatus); | |
253 | } | |
254 | } | |
255 | ||
f92363d1 SR |
256 | /** |
257 | * mpt3sas_ctl_done - ctl module completion routine | |
258 | * @ioc: per adapter object | |
259 | * @smid: system request message index | |
260 | * @msix_index: MSIX table index supplied by the OS | |
261 | * @reply: reply message frame(lower 32bit addr) | |
262 | * Context: none. | |
263 | * | |
264 | * The callback handler when using ioc->ctl_cb_idx. | |
265 | * | |
266 | * Return 1 meaning mf should be freed from _base_interrupt | |
267 | * 0 means the mf is freed from this function. | |
268 | */ | |
269 | u8 | |
270 | mpt3sas_ctl_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, | |
271 | u32 reply) | |
272 | { | |
273 | MPI2DefaultReply_t *mpi_reply; | |
274 | Mpi2SCSIIOReply_t *scsiio_reply; | |
275 | const void *sense_data; | |
276 | u32 sz; | |
277 | ||
278 | if (ioc->ctl_cmds.status == MPT3_CMD_NOT_USED) | |
279 | return 1; | |
280 | if (ioc->ctl_cmds.smid != smid) | |
281 | return 1; | |
282 | ioc->ctl_cmds.status |= MPT3_CMD_COMPLETE; | |
283 | mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply); | |
284 | if (mpi_reply) { | |
285 | memcpy(ioc->ctl_cmds.reply, mpi_reply, mpi_reply->MsgLength*4); | |
286 | ioc->ctl_cmds.status |= MPT3_CMD_REPLY_VALID; | |
287 | /* get sense data */ | |
288 | if (mpi_reply->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || | |
289 | mpi_reply->Function == | |
290 | MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) { | |
291 | scsiio_reply = (Mpi2SCSIIOReply_t *)mpi_reply; | |
292 | if (scsiio_reply->SCSIState & | |
293 | MPI2_SCSI_STATE_AUTOSENSE_VALID) { | |
294 | sz = min_t(u32, SCSI_SENSE_BUFFERSIZE, | |
295 | le32_to_cpu(scsiio_reply->SenseCount)); | |
296 | sense_data = mpt3sas_base_get_sense_buffer(ioc, | |
297 | smid); | |
298 | memcpy(ioc->ctl_cmds.sense, sense_data, sz); | |
299 | } | |
300 | } | |
301 | } | |
f92363d1 | 302 | _ctl_display_some_debug(ioc, smid, "ctl_done", mpi_reply); |
f92363d1 SR |
303 | ioc->ctl_cmds.status &= ~MPT3_CMD_PENDING; |
304 | complete(&ioc->ctl_cmds.done); | |
305 | return 1; | |
306 | } | |
307 | ||
308 | /** | |
309 | * _ctl_check_event_type - determines when an event needs logging | |
310 | * @ioc: per adapter object | |
311 | * @event: firmware event | |
312 | * | |
313 | * The bitmask in ioc->event_type[] indicates which events should be | |
314 | * be saved in the driver event_log. This bitmask is set by application. | |
315 | * | |
316 | * Returns 1 when event should be captured, or zero means no match. | |
317 | */ | |
318 | static int | |
319 | _ctl_check_event_type(struct MPT3SAS_ADAPTER *ioc, u16 event) | |
320 | { | |
321 | u16 i; | |
322 | u32 desired_event; | |
323 | ||
324 | if (event >= 128 || !event || !ioc->event_log) | |
325 | return 0; | |
326 | ||
327 | desired_event = (1 << (event % 32)); | |
328 | if (!desired_event) | |
329 | desired_event = 1; | |
330 | i = event / 32; | |
331 | return desired_event & ioc->event_type[i]; | |
332 | } | |
333 | ||
334 | /** | |
335 | * mpt3sas_ctl_add_to_event_log - add event | |
336 | * @ioc: per adapter object | |
337 | * @mpi_reply: reply message frame | |
338 | * | |
339 | * Return nothing. | |
340 | */ | |
341 | void | |
342 | mpt3sas_ctl_add_to_event_log(struct MPT3SAS_ADAPTER *ioc, | |
343 | Mpi2EventNotificationReply_t *mpi_reply) | |
344 | { | |
345 | struct MPT3_IOCTL_EVENTS *event_log; | |
346 | u16 event; | |
347 | int i; | |
348 | u32 sz, event_data_sz; | |
349 | u8 send_aen = 0; | |
350 | ||
351 | if (!ioc->event_log) | |
352 | return; | |
353 | ||
354 | event = le16_to_cpu(mpi_reply->Event); | |
355 | ||
356 | if (_ctl_check_event_type(ioc, event)) { | |
357 | ||
358 | /* insert entry into circular event_log */ | |
359 | i = ioc->event_context % MPT3SAS_CTL_EVENT_LOG_SIZE; | |
360 | event_log = ioc->event_log; | |
361 | event_log[i].event = event; | |
362 | event_log[i].context = ioc->event_context++; | |
363 | ||
364 | event_data_sz = le16_to_cpu(mpi_reply->EventDataLength)*4; | |
365 | sz = min_t(u32, event_data_sz, MPT3_EVENT_DATA_SIZE); | |
366 | memset(event_log[i].data, 0, MPT3_EVENT_DATA_SIZE); | |
367 | memcpy(event_log[i].data, mpi_reply->EventData, sz); | |
368 | send_aen = 1; | |
369 | } | |
370 | ||
371 | /* This aen_event_read_flag flag is set until the | |
372 | * application has read the event log. | |
373 | * For MPI2_EVENT_LOG_ENTRY_ADDED, we always notify. | |
374 | */ | |
375 | if (event == MPI2_EVENT_LOG_ENTRY_ADDED || | |
376 | (send_aen && !ioc->aen_event_read_flag)) { | |
377 | ioc->aen_event_read_flag = 1; | |
378 | wake_up_interruptible(&ctl_poll_wait); | |
379 | if (async_queue) | |
380 | kill_fasync(&async_queue, SIGIO, POLL_IN); | |
381 | } | |
382 | } | |
383 | ||
384 | /** | |
385 | * mpt3sas_ctl_event_callback - firmware event handler (called at ISR time) | |
386 | * @ioc: per adapter object | |
387 | * @msix_index: MSIX table index supplied by the OS | |
388 | * @reply: reply message frame(lower 32bit addr) | |
389 | * Context: interrupt. | |
390 | * | |
391 | * This function merely adds a new work task into ioc->firmware_event_thread. | |
392 | * The tasks are worked from _firmware_event_work in user context. | |
393 | * | |
394 | * Return 1 meaning mf should be freed from _base_interrupt | |
395 | * 0 means the mf is freed from this function. | |
396 | */ | |
397 | u8 | |
398 | mpt3sas_ctl_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index, | |
399 | u32 reply) | |
400 | { | |
401 | Mpi2EventNotificationReply_t *mpi_reply; | |
402 | ||
403 | mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply); | |
869817f9 SS |
404 | if (mpi_reply) |
405 | mpt3sas_ctl_add_to_event_log(ioc, mpi_reply); | |
f92363d1 SR |
406 | return 1; |
407 | } | |
408 | ||
409 | /** | |
410 | * _ctl_verify_adapter - validates ioc_number passed from application | |
411 | * @ioc: per adapter object | |
412 | * @iocpp: The ioc pointer is returned in this. | |
c84b06a4 | 413 | * @mpi_version: will be MPI2_VERSION for mpt2ctl ioctl device & |
b130b0d5 | 414 | * MPI25_VERSION | MPI26_VERSION for mpt3ctl ioctl device. |
f92363d1 SR |
415 | * |
416 | * Return (-1) means error, else ioc_number. | |
417 | */ | |
418 | static int | |
c84b06a4 SR |
419 | _ctl_verify_adapter(int ioc_number, struct MPT3SAS_ADAPTER **iocpp, |
420 | int mpi_version) | |
f92363d1 SR |
421 | { |
422 | struct MPT3SAS_ADAPTER *ioc; | |
b130b0d5 | 423 | int version = 0; |
08c4d550 SR |
424 | /* global ioc lock to protect controller on list operations */ |
425 | spin_lock(&gioc_lock); | |
f92363d1 SR |
426 | list_for_each_entry(ioc, &mpt3sas_ioc_list, list) { |
427 | if (ioc->id != ioc_number) | |
428 | continue; | |
c84b06a4 SR |
429 | /* Check whether this ioctl command is from right |
430 | * ioctl device or not, if not continue the search. | |
431 | */ | |
b130b0d5 SS |
432 | version = ioc->hba_mpi_version_belonged; |
433 | /* MPI25_VERSION and MPI26_VERSION uses same ioctl | |
434 | * device. | |
435 | */ | |
436 | if (mpi_version == (MPI25_VERSION | MPI26_VERSION)) { | |
437 | if ((version == MPI25_VERSION) || | |
438 | (version == MPI26_VERSION)) | |
439 | goto out; | |
440 | else | |
441 | continue; | |
442 | } else { | |
443 | if (version != mpi_version) | |
444 | continue; | |
445 | } | |
446 | out: | |
08c4d550 | 447 | spin_unlock(&gioc_lock); |
f92363d1 SR |
448 | *iocpp = ioc; |
449 | return ioc_number; | |
450 | } | |
08c4d550 | 451 | spin_unlock(&gioc_lock); |
f92363d1 SR |
452 | *iocpp = NULL; |
453 | return -1; | |
454 | } | |
455 | ||
456 | /** | |
457 | * mpt3sas_ctl_reset_handler - reset callback handler (for ctl) | |
458 | * @ioc: per adapter object | |
459 | * @reset_phase: phase | |
460 | * | |
461 | * The handler for doing any required cleanup or initialization. | |
462 | * | |
463 | * The reset phase can be MPT3_IOC_PRE_RESET, MPT3_IOC_AFTER_RESET, | |
464 | * MPT3_IOC_DONE_RESET | |
465 | */ | |
466 | void | |
467 | mpt3sas_ctl_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase) | |
468 | { | |
469 | int i; | |
470 | u8 issue_reset; | |
471 | ||
472 | switch (reset_phase) { | |
473 | case MPT3_IOC_PRE_RESET: | |
474 | dtmprintk(ioc, pr_info(MPT3SAS_FMT | |
475 | "%s: MPT3_IOC_PRE_RESET\n", ioc->name, __func__)); | |
476 | for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { | |
477 | if (!(ioc->diag_buffer_status[i] & | |
478 | MPT3_DIAG_BUFFER_IS_REGISTERED)) | |
479 | continue; | |
480 | if ((ioc->diag_buffer_status[i] & | |
481 | MPT3_DIAG_BUFFER_IS_RELEASED)) | |
482 | continue; | |
483 | mpt3sas_send_diag_release(ioc, i, &issue_reset); | |
484 | } | |
485 | break; | |
486 | case MPT3_IOC_AFTER_RESET: | |
487 | dtmprintk(ioc, pr_info(MPT3SAS_FMT | |
488 | "%s: MPT3_IOC_AFTER_RESET\n", ioc->name, __func__)); | |
489 | if (ioc->ctl_cmds.status & MPT3_CMD_PENDING) { | |
490 | ioc->ctl_cmds.status |= MPT3_CMD_RESET; | |
491 | mpt3sas_base_free_smid(ioc, ioc->ctl_cmds.smid); | |
492 | complete(&ioc->ctl_cmds.done); | |
493 | } | |
494 | break; | |
495 | case MPT3_IOC_DONE_RESET: | |
496 | dtmprintk(ioc, pr_info(MPT3SAS_FMT | |
497 | "%s: MPT3_IOC_DONE_RESET\n", ioc->name, __func__)); | |
498 | ||
499 | for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { | |
500 | if (!(ioc->diag_buffer_status[i] & | |
501 | MPT3_DIAG_BUFFER_IS_REGISTERED)) | |
502 | continue; | |
503 | if ((ioc->diag_buffer_status[i] & | |
504 | MPT3_DIAG_BUFFER_IS_RELEASED)) | |
505 | continue; | |
506 | ioc->diag_buffer_status[i] |= | |
507 | MPT3_DIAG_BUFFER_IS_DIAG_RESET; | |
508 | } | |
509 | break; | |
510 | } | |
511 | } | |
512 | ||
513 | /** | |
c84b06a4 | 514 | * _ctl_fasync - |
f92363d1 SR |
515 | * @fd - |
516 | * @filep - | |
517 | * @mode - | |
518 | * | |
519 | * Called when application request fasyn callback handler. | |
520 | */ | |
8bbb1cf6 | 521 | static int |
c84b06a4 | 522 | _ctl_fasync(int fd, struct file *filep, int mode) |
f92363d1 SR |
523 | { |
524 | return fasync_helper(fd, filep, mode, &async_queue); | |
525 | } | |
526 | ||
f92363d1 | 527 | /** |
c84b06a4 | 528 | * _ctl_poll - |
f92363d1 SR |
529 | * @file - |
530 | * @wait - | |
531 | * | |
532 | */ | |
8bbb1cf6 | 533 | static unsigned int |
c84b06a4 | 534 | _ctl_poll(struct file *filep, poll_table *wait) |
f92363d1 SR |
535 | { |
536 | struct MPT3SAS_ADAPTER *ioc; | |
537 | ||
538 | poll_wait(filep, &ctl_poll_wait, wait); | |
539 | ||
08c4d550 SR |
540 | /* global ioc lock to protect controller on list operations */ |
541 | spin_lock(&gioc_lock); | |
f92363d1 | 542 | list_for_each_entry(ioc, &mpt3sas_ioc_list, list) { |
08c4d550 SR |
543 | if (ioc->aen_event_read_flag) { |
544 | spin_unlock(&gioc_lock); | |
f92363d1 | 545 | return POLLIN | POLLRDNORM; |
08c4d550 | 546 | } |
f92363d1 | 547 | } |
08c4d550 | 548 | spin_unlock(&gioc_lock); |
f92363d1 SR |
549 | return 0; |
550 | } | |
551 | ||
552 | /** | |
553 | * _ctl_set_task_mid - assign an active smid to tm request | |
554 | * @ioc: per adapter object | |
555 | * @karg - (struct mpt3_ioctl_command) | |
556 | * @tm_request - pointer to mf from user space | |
557 | * | |
558 | * Returns 0 when an smid if found, else fail. | |
559 | * during failure, the reply frame is filled. | |
560 | */ | |
561 | static int | |
562 | _ctl_set_task_mid(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command *karg, | |
563 | Mpi2SCSITaskManagementRequest_t *tm_request) | |
564 | { | |
565 | u8 found = 0; | |
566 | u16 i; | |
567 | u16 handle; | |
568 | struct scsi_cmnd *scmd; | |
569 | struct MPT3SAS_DEVICE *priv_data; | |
570 | unsigned long flags; | |
571 | Mpi2SCSITaskManagementReply_t *tm_reply; | |
572 | u32 sz; | |
573 | u32 lun; | |
574 | char *desc = NULL; | |
575 | ||
576 | if (tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK) | |
577 | desc = "abort_task"; | |
578 | else if (tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK) | |
579 | desc = "query_task"; | |
580 | else | |
581 | return 0; | |
582 | ||
583 | lun = scsilun_to_int((struct scsi_lun *)tm_request->LUN); | |
584 | ||
585 | handle = le16_to_cpu(tm_request->DevHandle); | |
586 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
587 | for (i = ioc->scsiio_depth; i && !found; i--) { | |
588 | scmd = ioc->scsi_lookup[i - 1].scmd; | |
589 | if (scmd == NULL || scmd->device == NULL || | |
590 | scmd->device->hostdata == NULL) | |
591 | continue; | |
592 | if (lun != scmd->device->lun) | |
593 | continue; | |
594 | priv_data = scmd->device->hostdata; | |
595 | if (priv_data->sas_target == NULL) | |
596 | continue; | |
597 | if (priv_data->sas_target->handle != handle) | |
598 | continue; | |
599 | tm_request->TaskMID = cpu_to_le16(ioc->scsi_lookup[i - 1].smid); | |
600 | found = 1; | |
601 | } | |
602 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
603 | ||
604 | if (!found) { | |
605 | dctlprintk(ioc, pr_info(MPT3SAS_FMT | |
606 | "%s: handle(0x%04x), lun(%d), no active mid!!\n", | |
607 | ioc->name, | |
608 | desc, le16_to_cpu(tm_request->DevHandle), lun)); | |
609 | tm_reply = ioc->ctl_cmds.reply; | |
610 | tm_reply->DevHandle = tm_request->DevHandle; | |
611 | tm_reply->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; | |
612 | tm_reply->TaskType = tm_request->TaskType; | |
613 | tm_reply->MsgLength = sizeof(Mpi2SCSITaskManagementReply_t)/4; | |
614 | tm_reply->VP_ID = tm_request->VP_ID; | |
615 | tm_reply->VF_ID = tm_request->VF_ID; | |
616 | sz = min_t(u32, karg->max_reply_bytes, ioc->reply_sz); | |
617 | if (copy_to_user(karg->reply_frame_buf_ptr, ioc->ctl_cmds.reply, | |
618 | sz)) | |
619 | pr_err("failure at %s:%d/%s()!\n", __FILE__, | |
620 | __LINE__, __func__); | |
621 | return 1; | |
622 | } | |
623 | ||
624 | dctlprintk(ioc, pr_info(MPT3SAS_FMT | |
625 | "%s: handle(0x%04x), lun(%d), task_mid(%d)\n", ioc->name, | |
626 | desc, le16_to_cpu(tm_request->DevHandle), lun, | |
627 | le16_to_cpu(tm_request->TaskMID))); | |
628 | return 0; | |
629 | } | |
630 | ||
631 | /** | |
632 | * _ctl_do_mpt_command - main handler for MPT3COMMAND opcode | |
633 | * @ioc: per adapter object | |
634 | * @karg - (struct mpt3_ioctl_command) | |
635 | * @mf - pointer to mf in user space | |
636 | */ | |
637 | static long | |
638 | _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, | |
639 | void __user *mf) | |
640 | { | |
641 | MPI2RequestHeader_t *mpi_request = NULL, *request; | |
642 | MPI2DefaultReply_t *mpi_reply; | |
643 | u32 ioc_state; | |
f92363d1 | 644 | u16 smid; |
8bbb1cf6 | 645 | unsigned long timeout; |
f92363d1 SR |
646 | u8 issue_reset; |
647 | u32 sz; | |
648 | void *psge; | |
649 | void *data_out = NULL; | |
650 | dma_addr_t data_out_dma = 0; | |
651 | size_t data_out_sz = 0; | |
652 | void *data_in = NULL; | |
653 | dma_addr_t data_in_dma = 0; | |
654 | size_t data_in_sz = 0; | |
655 | long ret; | |
656 | u16 wait_state_count; | |
c696f7b8 | 657 | u16 device_handle = MPT3SAS_INVALID_DEVICE_HANDLE; |
f92363d1 SR |
658 | |
659 | issue_reset = 0; | |
660 | ||
661 | if (ioc->ctl_cmds.status != MPT3_CMD_NOT_USED) { | |
662 | pr_err(MPT3SAS_FMT "%s: ctl_cmd in use\n", | |
663 | ioc->name, __func__); | |
664 | ret = -EAGAIN; | |
665 | goto out; | |
666 | } | |
667 | ||
668 | wait_state_count = 0; | |
669 | ioc_state = mpt3sas_base_get_iocstate(ioc, 1); | |
670 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
671 | if (wait_state_count++ == 10) { | |
672 | pr_err(MPT3SAS_FMT | |
673 | "%s: failed due to ioc not operational\n", | |
674 | ioc->name, __func__); | |
675 | ret = -EFAULT; | |
676 | goto out; | |
677 | } | |
678 | ssleep(1); | |
679 | ioc_state = mpt3sas_base_get_iocstate(ioc, 1); | |
680 | pr_info(MPT3SAS_FMT | |
681 | "%s: waiting for operational state(count=%d)\n", | |
682 | ioc->name, | |
683 | __func__, wait_state_count); | |
684 | } | |
685 | if (wait_state_count) | |
686 | pr_info(MPT3SAS_FMT "%s: ioc is operational\n", | |
687 | ioc->name, __func__); | |
688 | ||
689 | mpi_request = kzalloc(ioc->request_sz, GFP_KERNEL); | |
690 | if (!mpi_request) { | |
691 | pr_err(MPT3SAS_FMT | |
692 | "%s: failed obtaining a memory for mpi_request\n", | |
693 | ioc->name, __func__); | |
694 | ret = -ENOMEM; | |
695 | goto out; | |
696 | } | |
697 | ||
698 | /* Check for overflow and wraparound */ | |
699 | if (karg.data_sge_offset * 4 > ioc->request_sz || | |
700 | karg.data_sge_offset > (UINT_MAX / 4)) { | |
701 | ret = -EINVAL; | |
702 | goto out; | |
703 | } | |
704 | ||
705 | /* copy in request message frame from user */ | |
706 | if (copy_from_user(mpi_request, mf, karg.data_sge_offset*4)) { | |
707 | pr_err("failure at %s:%d/%s()!\n", __FILE__, __LINE__, | |
708 | __func__); | |
709 | ret = -EFAULT; | |
710 | goto out; | |
711 | } | |
712 | ||
713 | if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) { | |
714 | smid = mpt3sas_base_get_smid_hpr(ioc, ioc->ctl_cb_idx); | |
715 | if (!smid) { | |
716 | pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", | |
717 | ioc->name, __func__); | |
718 | ret = -EAGAIN; | |
719 | goto out; | |
720 | } | |
721 | } else { | |
722 | ||
723 | smid = mpt3sas_base_get_smid_scsiio(ioc, ioc->ctl_cb_idx, NULL); | |
724 | if (!smid) { | |
725 | pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", | |
726 | ioc->name, __func__); | |
727 | ret = -EAGAIN; | |
728 | goto out; | |
729 | } | |
730 | } | |
731 | ||
732 | ret = 0; | |
733 | ioc->ctl_cmds.status = MPT3_CMD_PENDING; | |
734 | memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); | |
735 | request = mpt3sas_base_get_msg_frame(ioc, smid); | |
736 | memcpy(request, mpi_request, karg.data_sge_offset*4); | |
737 | ioc->ctl_cmds.smid = smid; | |
738 | data_out_sz = karg.data_out_size; | |
739 | data_in_sz = karg.data_in_size; | |
740 | ||
741 | if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || | |
c696f7b8 SPS |
742 | mpi_request->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH || |
743 | mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT || | |
744 | mpi_request->Function == MPI2_FUNCTION_SATA_PASSTHROUGH) { | |
745 | ||
746 | device_handle = le16_to_cpu(mpi_request->FunctionDependent1); | |
747 | if (!device_handle || (device_handle > | |
748 | ioc->facts.MaxDevHandle)) { | |
f92363d1 SR |
749 | ret = -EINVAL; |
750 | mpt3sas_base_free_smid(ioc, smid); | |
751 | goto out; | |
752 | } | |
753 | } | |
754 | ||
755 | /* obtain dma-able memory for data transfer */ | |
756 | if (data_out_sz) /* WRITE */ { | |
757 | data_out = pci_alloc_consistent(ioc->pdev, data_out_sz, | |
758 | &data_out_dma); | |
759 | if (!data_out) { | |
760 | pr_err("failure at %s:%d/%s()!\n", __FILE__, | |
761 | __LINE__, __func__); | |
762 | ret = -ENOMEM; | |
763 | mpt3sas_base_free_smid(ioc, smid); | |
764 | goto out; | |
765 | } | |
766 | if (copy_from_user(data_out, karg.data_out_buf_ptr, | |
767 | data_out_sz)) { | |
768 | pr_err("failure at %s:%d/%s()!\n", __FILE__, | |
769 | __LINE__, __func__); | |
770 | ret = -EFAULT; | |
771 | mpt3sas_base_free_smid(ioc, smid); | |
772 | goto out; | |
773 | } | |
774 | } | |
775 | ||
776 | if (data_in_sz) /* READ */ { | |
777 | data_in = pci_alloc_consistent(ioc->pdev, data_in_sz, | |
778 | &data_in_dma); | |
779 | if (!data_in) { | |
780 | pr_err("failure at %s:%d/%s()!\n", __FILE__, | |
781 | __LINE__, __func__); | |
782 | ret = -ENOMEM; | |
783 | mpt3sas_base_free_smid(ioc, smid); | |
784 | goto out; | |
785 | } | |
786 | } | |
787 | ||
788 | psge = (void *)request + (karg.data_sge_offset*4); | |
789 | ||
790 | /* send command to firmware */ | |
f92363d1 | 791 | _ctl_display_some_debug(ioc, smid, "ctl_request", NULL); |
f92363d1 SR |
792 | |
793 | init_completion(&ioc->ctl_cmds.done); | |
794 | switch (mpi_request->Function) { | |
795 | case MPI2_FUNCTION_SCSI_IO_REQUEST: | |
796 | case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: | |
797 | { | |
798 | Mpi2SCSIIORequest_t *scsiio_request = | |
799 | (Mpi2SCSIIORequest_t *)request; | |
800 | scsiio_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE; | |
801 | scsiio_request->SenseBufferLowAddress = | |
802 | mpt3sas_base_get_sense_buffer_dma(ioc, smid); | |
803 | memset(ioc->ctl_cmds.sense, 0, SCSI_SENSE_BUFFERSIZE); | |
c696f7b8 SPS |
804 | if (test_bit(device_handle, ioc->device_remove_in_progress)) { |
805 | dtmprintk(ioc, pr_info(MPT3SAS_FMT | |
806 | "handle(0x%04x) :ioctl failed due to device removal in progress\n", | |
807 | ioc->name, device_handle)); | |
808 | mpt3sas_base_free_smid(ioc, smid); | |
809 | ret = -EINVAL; | |
810 | goto out; | |
811 | } | |
f92363d1 SR |
812 | ioc->build_sg(ioc, psge, data_out_dma, data_out_sz, |
813 | data_in_dma, data_in_sz); | |
f92363d1 | 814 | if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST) |
81c16f83 | 815 | ioc->put_smid_scsi_io(ioc, smid, device_handle); |
f92363d1 | 816 | else |
81c16f83 | 817 | ioc->put_smid_default(ioc, smid); |
f92363d1 SR |
818 | break; |
819 | } | |
820 | case MPI2_FUNCTION_SCSI_TASK_MGMT: | |
821 | { | |
822 | Mpi2SCSITaskManagementRequest_t *tm_request = | |
823 | (Mpi2SCSITaskManagementRequest_t *)request; | |
824 | ||
825 | dtmprintk(ioc, pr_info(MPT3SAS_FMT | |
826 | "TASK_MGMT: handle(0x%04x), task_type(0x%02x)\n", | |
827 | ioc->name, | |
828 | le16_to_cpu(tm_request->DevHandle), tm_request->TaskType)); | |
459325c4 | 829 | ioc->got_task_abort_from_ioctl = 1; |
f92363d1 SR |
830 | if (tm_request->TaskType == |
831 | MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK || | |
832 | tm_request->TaskType == | |
833 | MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK) { | |
834 | if (_ctl_set_task_mid(ioc, &karg, tm_request)) { | |
835 | mpt3sas_base_free_smid(ioc, smid); | |
459325c4 | 836 | ioc->got_task_abort_from_ioctl = 0; |
f92363d1 SR |
837 | goto out; |
838 | } | |
839 | } | |
459325c4 | 840 | ioc->got_task_abort_from_ioctl = 0; |
f92363d1 | 841 | |
c696f7b8 SPS |
842 | if (test_bit(device_handle, ioc->device_remove_in_progress)) { |
843 | dtmprintk(ioc, pr_info(MPT3SAS_FMT | |
844 | "handle(0x%04x) :ioctl failed due to device removal in progress\n", | |
845 | ioc->name, device_handle)); | |
846 | mpt3sas_base_free_smid(ioc, smid); | |
847 | ret = -EINVAL; | |
848 | goto out; | |
849 | } | |
f92363d1 SR |
850 | mpt3sas_scsih_set_tm_flag(ioc, le16_to_cpu( |
851 | tm_request->DevHandle)); | |
852 | ioc->build_sg_mpi(ioc, psge, data_out_dma, data_out_sz, | |
853 | data_in_dma, data_in_sz); | |
81c16f83 | 854 | ioc->put_smid_hi_priority(ioc, smid, 0); |
f92363d1 SR |
855 | break; |
856 | } | |
857 | case MPI2_FUNCTION_SMP_PASSTHROUGH: | |
858 | { | |
859 | Mpi2SmpPassthroughRequest_t *smp_request = | |
860 | (Mpi2SmpPassthroughRequest_t *)mpi_request; | |
861 | u8 *data; | |
862 | ||
863 | /* ioc determines which port to use */ | |
864 | smp_request->PhysicalPort = 0xFF; | |
865 | if (smp_request->PassthroughFlags & | |
866 | MPI2_SMP_PT_REQ_PT_FLAGS_IMMEDIATE) | |
867 | data = (u8 *)&smp_request->SGL; | |
868 | else { | |
869 | if (unlikely(data_out == NULL)) { | |
870 | pr_err("failure at %s:%d/%s()!\n", | |
871 | __FILE__, __LINE__, __func__); | |
872 | mpt3sas_base_free_smid(ioc, smid); | |
873 | ret = -EINVAL; | |
874 | goto out; | |
875 | } | |
876 | data = data_out; | |
877 | } | |
878 | ||
879 | if (data[1] == 0x91 && (data[10] == 1 || data[10] == 2)) { | |
880 | ioc->ioc_link_reset_in_progress = 1; | |
881 | ioc->ignore_loginfos = 1; | |
882 | } | |
883 | ioc->build_sg(ioc, psge, data_out_dma, data_out_sz, data_in_dma, | |
884 | data_in_sz); | |
81c16f83 | 885 | ioc->put_smid_default(ioc, smid); |
f92363d1 SR |
886 | break; |
887 | } | |
888 | case MPI2_FUNCTION_SATA_PASSTHROUGH: | |
c696f7b8 SPS |
889 | { |
890 | if (test_bit(device_handle, ioc->device_remove_in_progress)) { | |
891 | dtmprintk(ioc, pr_info(MPT3SAS_FMT | |
892 | "handle(0x%04x) :ioctl failed due to device removal in progress\n", | |
893 | ioc->name, device_handle)); | |
894 | mpt3sas_base_free_smid(ioc, smid); | |
895 | ret = -EINVAL; | |
896 | goto out; | |
897 | } | |
898 | ioc->build_sg(ioc, psge, data_out_dma, data_out_sz, data_in_dma, | |
899 | data_in_sz); | |
81c16f83 | 900 | ioc->put_smid_default(ioc, smid); |
c696f7b8 SPS |
901 | break; |
902 | } | |
f92363d1 SR |
903 | case MPI2_FUNCTION_FW_DOWNLOAD: |
904 | case MPI2_FUNCTION_FW_UPLOAD: | |
905 | { | |
906 | ioc->build_sg(ioc, psge, data_out_dma, data_out_sz, data_in_dma, | |
907 | data_in_sz); | |
81c16f83 | 908 | ioc->put_smid_default(ioc, smid); |
f92363d1 SR |
909 | break; |
910 | } | |
911 | case MPI2_FUNCTION_TOOLBOX: | |
912 | { | |
913 | Mpi2ToolboxCleanRequest_t *toolbox_request = | |
914 | (Mpi2ToolboxCleanRequest_t *)mpi_request; | |
915 | ||
916 | if (toolbox_request->Tool == MPI2_TOOLBOX_DIAGNOSTIC_CLI_TOOL) { | |
917 | ioc->build_sg(ioc, psge, data_out_dma, data_out_sz, | |
918 | data_in_dma, data_in_sz); | |
919 | } else { | |
920 | ioc->build_sg_mpi(ioc, psge, data_out_dma, data_out_sz, | |
921 | data_in_dma, data_in_sz); | |
922 | } | |
81c16f83 | 923 | ioc->put_smid_default(ioc, smid); |
f92363d1 SR |
924 | break; |
925 | } | |
926 | case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL: | |
927 | { | |
928 | Mpi2SasIoUnitControlRequest_t *sasiounit_request = | |
929 | (Mpi2SasIoUnitControlRequest_t *)mpi_request; | |
930 | ||
931 | if (sasiounit_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET | |
932 | || sasiounit_request->Operation == | |
933 | MPI2_SAS_OP_PHY_LINK_RESET) { | |
934 | ioc->ioc_link_reset_in_progress = 1; | |
935 | ioc->ignore_loginfos = 1; | |
936 | } | |
937 | /* drop to default case for posting the request */ | |
938 | } | |
939 | default: | |
940 | ioc->build_sg_mpi(ioc, psge, data_out_dma, data_out_sz, | |
941 | data_in_dma, data_in_sz); | |
81c16f83 | 942 | ioc->put_smid_default(ioc, smid); |
f92363d1 SR |
943 | break; |
944 | } | |
945 | ||
946 | if (karg.timeout < MPT3_IOCTL_DEFAULT_TIMEOUT) | |
947 | timeout = MPT3_IOCTL_DEFAULT_TIMEOUT; | |
948 | else | |
949 | timeout = karg.timeout; | |
8bbb1cf6 | 950 | wait_for_completion_timeout(&ioc->ctl_cmds.done, timeout*HZ); |
f92363d1 SR |
951 | if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) { |
952 | Mpi2SCSITaskManagementRequest_t *tm_request = | |
953 | (Mpi2SCSITaskManagementRequest_t *)mpi_request; | |
954 | mpt3sas_scsih_clear_tm_flag(ioc, le16_to_cpu( | |
955 | tm_request->DevHandle)); | |
956 | mpt3sas_trigger_master(ioc, MASTER_TRIGGER_TASK_MANAGMENT); | |
957 | } else if ((mpi_request->Function == MPI2_FUNCTION_SMP_PASSTHROUGH || | |
958 | mpi_request->Function == MPI2_FUNCTION_SAS_IO_UNIT_CONTROL) && | |
959 | ioc->ioc_link_reset_in_progress) { | |
960 | ioc->ioc_link_reset_in_progress = 0; | |
961 | ioc->ignore_loginfos = 0; | |
962 | } | |
963 | if (!(ioc->ctl_cmds.status & MPT3_CMD_COMPLETE)) { | |
964 | pr_err(MPT3SAS_FMT "%s: timeout\n", ioc->name, | |
965 | __func__); | |
966 | _debug_dump_mf(mpi_request, karg.data_sge_offset); | |
967 | if (!(ioc->ctl_cmds.status & MPT3_CMD_RESET)) | |
968 | issue_reset = 1; | |
969 | goto issue_host_reset; | |
970 | } | |
971 | ||
972 | mpi_reply = ioc->ctl_cmds.reply; | |
f92363d1 | 973 | |
f92363d1 SR |
974 | if (mpi_reply->Function == MPI2_FUNCTION_SCSI_TASK_MGMT && |
975 | (ioc->logging_level & MPT_DEBUG_TM)) { | |
976 | Mpi2SCSITaskManagementReply_t *tm_reply = | |
977 | (Mpi2SCSITaskManagementReply_t *)mpi_reply; | |
978 | ||
979 | pr_info(MPT3SAS_FMT "TASK_MGMT: " \ | |
980 | "IOCStatus(0x%04x), IOCLogInfo(0x%08x), " | |
981 | "TerminationCount(0x%08x)\n", ioc->name, | |
982 | le16_to_cpu(tm_reply->IOCStatus), | |
983 | le32_to_cpu(tm_reply->IOCLogInfo), | |
984 | le32_to_cpu(tm_reply->TerminationCount)); | |
985 | } | |
af009411 | 986 | |
f92363d1 SR |
987 | /* copy out xdata to user */ |
988 | if (data_in_sz) { | |
989 | if (copy_to_user(karg.data_in_buf_ptr, data_in, | |
990 | data_in_sz)) { | |
991 | pr_err("failure at %s:%d/%s()!\n", __FILE__, | |
992 | __LINE__, __func__); | |
993 | ret = -ENODATA; | |
994 | goto out; | |
995 | } | |
996 | } | |
997 | ||
998 | /* copy out reply message frame to user */ | |
999 | if (karg.max_reply_bytes) { | |
1000 | sz = min_t(u32, karg.max_reply_bytes, ioc->reply_sz); | |
1001 | if (copy_to_user(karg.reply_frame_buf_ptr, ioc->ctl_cmds.reply, | |
1002 | sz)) { | |
1003 | pr_err("failure at %s:%d/%s()!\n", __FILE__, | |
1004 | __LINE__, __func__); | |
1005 | ret = -ENODATA; | |
1006 | goto out; | |
1007 | } | |
1008 | } | |
1009 | ||
1010 | /* copy out sense to user */ | |
1011 | if (karg.max_sense_bytes && (mpi_request->Function == | |
1012 | MPI2_FUNCTION_SCSI_IO_REQUEST || mpi_request->Function == | |
1013 | MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) { | |
1014 | sz = min_t(u32, karg.max_sense_bytes, SCSI_SENSE_BUFFERSIZE); | |
1015 | if (copy_to_user(karg.sense_data_ptr, ioc->ctl_cmds.sense, | |
1016 | sz)) { | |
1017 | pr_err("failure at %s:%d/%s()!\n", __FILE__, | |
1018 | __LINE__, __func__); | |
1019 | ret = -ENODATA; | |
1020 | goto out; | |
1021 | } | |
1022 | } | |
1023 | ||
1024 | issue_host_reset: | |
1025 | if (issue_reset) { | |
1026 | ret = -ENODATA; | |
1027 | if ((mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || | |
1028 | mpi_request->Function == | |
1029 | MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH || | |
1030 | mpi_request->Function == MPI2_FUNCTION_SATA_PASSTHROUGH)) { | |
1031 | pr_info(MPT3SAS_FMT "issue target reset: handle = (0x%04x)\n", | |
1032 | ioc->name, | |
1033 | le16_to_cpu(mpi_request->FunctionDependent1)); | |
1034 | mpt3sas_halt_firmware(ioc); | |
96902835 | 1035 | mpt3sas_scsih_issue_locked_tm(ioc, |
f92363d1 | 1036 | le16_to_cpu(mpi_request->FunctionDependent1), 0, 0, |
96902835 | 1037 | 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 30); |
f92363d1 | 1038 | } else |
98c56ad3 | 1039 | mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); |
f92363d1 SR |
1040 | } |
1041 | ||
1042 | out: | |
1043 | ||
1044 | /* free memory associated with sg buffers */ | |
1045 | if (data_in) | |
1046 | pci_free_consistent(ioc->pdev, data_in_sz, data_in, | |
1047 | data_in_dma); | |
1048 | ||
1049 | if (data_out) | |
1050 | pci_free_consistent(ioc->pdev, data_out_sz, data_out, | |
1051 | data_out_dma); | |
1052 | ||
1053 | kfree(mpi_request); | |
1054 | ioc->ctl_cmds.status = MPT3_CMD_NOT_USED; | |
1055 | return ret; | |
1056 | } | |
1057 | ||
1058 | /** | |
1059 | * _ctl_getiocinfo - main handler for MPT3IOCINFO opcode | |
1060 | * @ioc: per adapter object | |
1061 | * @arg - user space buffer containing ioctl content | |
1062 | */ | |
1063 | static long | |
1064 | _ctl_getiocinfo(struct MPT3SAS_ADAPTER *ioc, void __user *arg) | |
1065 | { | |
1066 | struct mpt3_ioctl_iocinfo karg; | |
1067 | ||
1068 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1069 | pr_err("failure at %s:%d/%s()!\n", | |
1070 | __FILE__, __LINE__, __func__); | |
1071 | return -EFAULT; | |
1072 | } | |
1073 | ||
1074 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s: enter\n", ioc->name, | |
1075 | __func__)); | |
1076 | ||
1077 | memset(&karg, 0 , sizeof(karg)); | |
f92363d1 SR |
1078 | if (ioc->pfacts) |
1079 | karg.port_number = ioc->pfacts[0].PortNumber; | |
1080 | karg.hw_rev = ioc->pdev->revision; | |
1081 | karg.pci_id = ioc->pdev->device; | |
1082 | karg.subsystem_device = ioc->pdev->subsystem_device; | |
1083 | karg.subsystem_vendor = ioc->pdev->subsystem_vendor; | |
1084 | karg.pci_information.u.bits.bus = ioc->pdev->bus->number; | |
1085 | karg.pci_information.u.bits.device = PCI_SLOT(ioc->pdev->devfn); | |
1086 | karg.pci_information.u.bits.function = PCI_FUNC(ioc->pdev->devfn); | |
1087 | karg.pci_information.segment_id = pci_domain_nr(ioc->pdev->bus); | |
1088 | karg.firmware_version = ioc->facts.FWVersion.Word; | |
c84b06a4 | 1089 | strcpy(karg.driver_version, ioc->driver_name); |
f92363d1 | 1090 | strcat(karg.driver_version, "-"); |
d357e84d SR |
1091 | switch (ioc->hba_mpi_version_belonged) { |
1092 | case MPI2_VERSION: | |
7786ab6a SR |
1093 | if (ioc->is_warpdrive) |
1094 | karg.adapter_type = MPT2_IOCTL_INTERFACE_SAS2_SSS6200; | |
1095 | else | |
1096 | karg.adapter_type = MPT2_IOCTL_INTERFACE_SAS2; | |
d357e84d SR |
1097 | strcat(karg.driver_version, MPT2SAS_DRIVER_VERSION); |
1098 | break; | |
1099 | case MPI25_VERSION: | |
b130b0d5 | 1100 | case MPI26_VERSION: |
998f26ae SPS |
1101 | if (ioc->is_gen35_ioc) |
1102 | karg.adapter_type = MPT3_IOCTL_INTERFACE_SAS35; | |
1103 | else | |
1104 | karg.adapter_type = MPT3_IOCTL_INTERFACE_SAS3; | |
d357e84d SR |
1105 | strcat(karg.driver_version, MPT3SAS_DRIVER_VERSION); |
1106 | break; | |
1107 | } | |
f92363d1 SR |
1108 | karg.bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion); |
1109 | ||
1110 | if (copy_to_user(arg, &karg, sizeof(karg))) { | |
1111 | pr_err("failure at %s:%d/%s()!\n", | |
1112 | __FILE__, __LINE__, __func__); | |
1113 | return -EFAULT; | |
1114 | } | |
1115 | return 0; | |
1116 | } | |
1117 | ||
1118 | /** | |
1119 | * _ctl_eventquery - main handler for MPT3EVENTQUERY opcode | |
1120 | * @ioc: per adapter object | |
1121 | * @arg - user space buffer containing ioctl content | |
1122 | */ | |
1123 | static long | |
1124 | _ctl_eventquery(struct MPT3SAS_ADAPTER *ioc, void __user *arg) | |
1125 | { | |
1126 | struct mpt3_ioctl_eventquery karg; | |
1127 | ||
1128 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1129 | pr_err("failure at %s:%d/%s()!\n", | |
1130 | __FILE__, __LINE__, __func__); | |
1131 | return -EFAULT; | |
1132 | } | |
1133 | ||
1134 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s: enter\n", ioc->name, | |
1135 | __func__)); | |
1136 | ||
1137 | karg.event_entries = MPT3SAS_CTL_EVENT_LOG_SIZE; | |
1138 | memcpy(karg.event_types, ioc->event_type, | |
1139 | MPI2_EVENT_NOTIFY_EVENTMASK_WORDS * sizeof(u32)); | |
1140 | ||
1141 | if (copy_to_user(arg, &karg, sizeof(karg))) { | |
1142 | pr_err("failure at %s:%d/%s()!\n", | |
1143 | __FILE__, __LINE__, __func__); | |
1144 | return -EFAULT; | |
1145 | } | |
1146 | return 0; | |
1147 | } | |
1148 | ||
1149 | /** | |
1150 | * _ctl_eventenable - main handler for MPT3EVENTENABLE opcode | |
1151 | * @ioc: per adapter object | |
1152 | * @arg - user space buffer containing ioctl content | |
1153 | */ | |
1154 | static long | |
1155 | _ctl_eventenable(struct MPT3SAS_ADAPTER *ioc, void __user *arg) | |
1156 | { | |
1157 | struct mpt3_ioctl_eventenable karg; | |
1158 | ||
1159 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1160 | pr_err("failure at %s:%d/%s()!\n", | |
1161 | __FILE__, __LINE__, __func__); | |
1162 | return -EFAULT; | |
1163 | } | |
1164 | ||
1165 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s: enter\n", ioc->name, | |
1166 | __func__)); | |
1167 | ||
1168 | memcpy(ioc->event_type, karg.event_types, | |
1169 | MPI2_EVENT_NOTIFY_EVENTMASK_WORDS * sizeof(u32)); | |
1170 | mpt3sas_base_validate_event_type(ioc, ioc->event_type); | |
1171 | ||
1172 | if (ioc->event_log) | |
1173 | return 0; | |
1174 | /* initialize event_log */ | |
1175 | ioc->event_context = 0; | |
1176 | ioc->aen_event_read_flag = 0; | |
1177 | ioc->event_log = kcalloc(MPT3SAS_CTL_EVENT_LOG_SIZE, | |
1178 | sizeof(struct MPT3_IOCTL_EVENTS), GFP_KERNEL); | |
1179 | if (!ioc->event_log) { | |
1180 | pr_err("failure at %s:%d/%s()!\n", | |
1181 | __FILE__, __LINE__, __func__); | |
1182 | return -ENOMEM; | |
1183 | } | |
1184 | return 0; | |
1185 | } | |
1186 | ||
1187 | /** | |
1188 | * _ctl_eventreport - main handler for MPT3EVENTREPORT opcode | |
1189 | * @ioc: per adapter object | |
1190 | * @arg - user space buffer containing ioctl content | |
1191 | */ | |
1192 | static long | |
1193 | _ctl_eventreport(struct MPT3SAS_ADAPTER *ioc, void __user *arg) | |
1194 | { | |
1195 | struct mpt3_ioctl_eventreport karg; | |
1196 | u32 number_bytes, max_events, max; | |
1197 | struct mpt3_ioctl_eventreport __user *uarg = arg; | |
1198 | ||
1199 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1200 | pr_err("failure at %s:%d/%s()!\n", | |
1201 | __FILE__, __LINE__, __func__); | |
1202 | return -EFAULT; | |
1203 | } | |
1204 | ||
1205 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s: enter\n", ioc->name, | |
1206 | __func__)); | |
1207 | ||
1208 | number_bytes = karg.hdr.max_data_size - | |
1209 | sizeof(struct mpt3_ioctl_header); | |
1210 | max_events = number_bytes/sizeof(struct MPT3_IOCTL_EVENTS); | |
1211 | max = min_t(u32, MPT3SAS_CTL_EVENT_LOG_SIZE, max_events); | |
1212 | ||
1213 | /* If fewer than 1 event is requested, there must have | |
1214 | * been some type of error. | |
1215 | */ | |
1216 | if (!max || !ioc->event_log) | |
1217 | return -ENODATA; | |
1218 | ||
1219 | number_bytes = max * sizeof(struct MPT3_IOCTL_EVENTS); | |
1220 | if (copy_to_user(uarg->event_data, ioc->event_log, number_bytes)) { | |
1221 | pr_err("failure at %s:%d/%s()!\n", | |
1222 | __FILE__, __LINE__, __func__); | |
1223 | return -EFAULT; | |
1224 | } | |
1225 | ||
1226 | /* reset flag so SIGIO can restart */ | |
1227 | ioc->aen_event_read_flag = 0; | |
1228 | return 0; | |
1229 | } | |
1230 | ||
1231 | /** | |
1232 | * _ctl_do_reset - main handler for MPT3HARDRESET opcode | |
1233 | * @ioc: per adapter object | |
1234 | * @arg - user space buffer containing ioctl content | |
1235 | */ | |
1236 | static long | |
1237 | _ctl_do_reset(struct MPT3SAS_ADAPTER *ioc, void __user *arg) | |
1238 | { | |
1239 | struct mpt3_ioctl_diag_reset karg; | |
1240 | int retval; | |
1241 | ||
1242 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1243 | pr_err("failure at %s:%d/%s()!\n", | |
1244 | __FILE__, __LINE__, __func__); | |
1245 | return -EFAULT; | |
1246 | } | |
1247 | ||
1248 | if (ioc->shost_recovery || ioc->pci_error_recovery || | |
1249 | ioc->is_driver_loading) | |
1250 | return -EAGAIN; | |
1251 | ||
1252 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s: enter\n", ioc->name, | |
1253 | __func__)); | |
1254 | ||
98c56ad3 | 1255 | retval = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); |
f92363d1 SR |
1256 | pr_info(MPT3SAS_FMT "host reset: %s\n", |
1257 | ioc->name, ((!retval) ? "SUCCESS" : "FAILED")); | |
1258 | return 0; | |
1259 | } | |
1260 | ||
1261 | /** | |
1262 | * _ctl_btdh_search_sas_device - searching for sas device | |
1263 | * @ioc: per adapter object | |
1264 | * @btdh: btdh ioctl payload | |
1265 | */ | |
1266 | static int | |
1267 | _ctl_btdh_search_sas_device(struct MPT3SAS_ADAPTER *ioc, | |
1268 | struct mpt3_ioctl_btdh_mapping *btdh) | |
1269 | { | |
1270 | struct _sas_device *sas_device; | |
1271 | unsigned long flags; | |
1272 | int rc = 0; | |
1273 | ||
1274 | if (list_empty(&ioc->sas_device_list)) | |
1275 | return rc; | |
1276 | ||
1277 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
1278 | list_for_each_entry(sas_device, &ioc->sas_device_list, list) { | |
1279 | if (btdh->bus == 0xFFFFFFFF && btdh->id == 0xFFFFFFFF && | |
1280 | btdh->handle == sas_device->handle) { | |
1281 | btdh->bus = sas_device->channel; | |
1282 | btdh->id = sas_device->id; | |
1283 | rc = 1; | |
1284 | goto out; | |
1285 | } else if (btdh->bus == sas_device->channel && btdh->id == | |
1286 | sas_device->id && btdh->handle == 0xFFFF) { | |
1287 | btdh->handle = sas_device->handle; | |
1288 | rc = 1; | |
1289 | goto out; | |
1290 | } | |
1291 | } | |
1292 | out: | |
1293 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
1294 | return rc; | |
1295 | } | |
1296 | ||
1297 | /** | |
1298 | * _ctl_btdh_search_raid_device - searching for raid device | |
1299 | * @ioc: per adapter object | |
1300 | * @btdh: btdh ioctl payload | |
1301 | */ | |
1302 | static int | |
1303 | _ctl_btdh_search_raid_device(struct MPT3SAS_ADAPTER *ioc, | |
1304 | struct mpt3_ioctl_btdh_mapping *btdh) | |
1305 | { | |
1306 | struct _raid_device *raid_device; | |
1307 | unsigned long flags; | |
1308 | int rc = 0; | |
1309 | ||
1310 | if (list_empty(&ioc->raid_device_list)) | |
1311 | return rc; | |
1312 | ||
1313 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1314 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { | |
1315 | if (btdh->bus == 0xFFFFFFFF && btdh->id == 0xFFFFFFFF && | |
1316 | btdh->handle == raid_device->handle) { | |
1317 | btdh->bus = raid_device->channel; | |
1318 | btdh->id = raid_device->id; | |
1319 | rc = 1; | |
1320 | goto out; | |
1321 | } else if (btdh->bus == raid_device->channel && btdh->id == | |
1322 | raid_device->id && btdh->handle == 0xFFFF) { | |
1323 | btdh->handle = raid_device->handle; | |
1324 | rc = 1; | |
1325 | goto out; | |
1326 | } | |
1327 | } | |
1328 | out: | |
1329 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
1330 | return rc; | |
1331 | } | |
1332 | ||
1333 | /** | |
1334 | * _ctl_btdh_mapping - main handler for MPT3BTDHMAPPING opcode | |
1335 | * @ioc: per adapter object | |
1336 | * @arg - user space buffer containing ioctl content | |
1337 | */ | |
1338 | static long | |
1339 | _ctl_btdh_mapping(struct MPT3SAS_ADAPTER *ioc, void __user *arg) | |
1340 | { | |
1341 | struct mpt3_ioctl_btdh_mapping karg; | |
1342 | int rc; | |
1343 | ||
1344 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1345 | pr_err("failure at %s:%d/%s()!\n", | |
1346 | __FILE__, __LINE__, __func__); | |
1347 | return -EFAULT; | |
1348 | } | |
1349 | ||
1350 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
1351 | __func__)); | |
1352 | ||
1353 | rc = _ctl_btdh_search_sas_device(ioc, &karg); | |
1354 | if (!rc) | |
1355 | _ctl_btdh_search_raid_device(ioc, &karg); | |
1356 | ||
1357 | if (copy_to_user(arg, &karg, sizeof(karg))) { | |
1358 | pr_err("failure at %s:%d/%s()!\n", | |
1359 | __FILE__, __LINE__, __func__); | |
1360 | return -EFAULT; | |
1361 | } | |
1362 | return 0; | |
1363 | } | |
1364 | ||
1365 | /** | |
1366 | * _ctl_diag_capability - return diag buffer capability | |
1367 | * @ioc: per adapter object | |
1368 | * @buffer_type: specifies either TRACE, SNAPSHOT, or EXTENDED | |
1369 | * | |
1370 | * returns 1 when diag buffer support is enabled in firmware | |
1371 | */ | |
1372 | static u8 | |
1373 | _ctl_diag_capability(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type) | |
1374 | { | |
1375 | u8 rc = 0; | |
1376 | ||
1377 | switch (buffer_type) { | |
1378 | case MPI2_DIAG_BUF_TYPE_TRACE: | |
1379 | if (ioc->facts.IOCCapabilities & | |
1380 | MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER) | |
1381 | rc = 1; | |
1382 | break; | |
1383 | case MPI2_DIAG_BUF_TYPE_SNAPSHOT: | |
1384 | if (ioc->facts.IOCCapabilities & | |
1385 | MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER) | |
1386 | rc = 1; | |
1387 | break; | |
1388 | case MPI2_DIAG_BUF_TYPE_EXTENDED: | |
1389 | if (ioc->facts.IOCCapabilities & | |
1390 | MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER) | |
1391 | rc = 1; | |
1392 | } | |
1393 | ||
1394 | return rc; | |
1395 | } | |
1396 | ||
1397 | ||
1398 | /** | |
1399 | * _ctl_diag_register_2 - wrapper for registering diag buffer support | |
1400 | * @ioc: per adapter object | |
1401 | * @diag_register: the diag_register struct passed in from user space | |
1402 | * | |
1403 | */ | |
1404 | static long | |
1405 | _ctl_diag_register_2(struct MPT3SAS_ADAPTER *ioc, | |
1406 | struct mpt3_diag_register *diag_register) | |
1407 | { | |
1408 | int rc, i; | |
1409 | void *request_data = NULL; | |
1410 | dma_addr_t request_data_dma; | |
1411 | u32 request_data_sz = 0; | |
1412 | Mpi2DiagBufferPostRequest_t *mpi_request; | |
1413 | Mpi2DiagBufferPostReply_t *mpi_reply; | |
1414 | u8 buffer_type; | |
f92363d1 SR |
1415 | u16 smid; |
1416 | u16 ioc_status; | |
1417 | u32 ioc_state; | |
1418 | u8 issue_reset = 0; | |
1419 | ||
1420 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
1421 | __func__)); | |
1422 | ||
1423 | ioc_state = mpt3sas_base_get_iocstate(ioc, 1); | |
1424 | if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
1425 | pr_err(MPT3SAS_FMT | |
1426 | "%s: failed due to ioc not operational\n", | |
1427 | ioc->name, __func__); | |
1428 | rc = -EAGAIN; | |
1429 | goto out; | |
1430 | } | |
1431 | ||
1432 | if (ioc->ctl_cmds.status != MPT3_CMD_NOT_USED) { | |
1433 | pr_err(MPT3SAS_FMT "%s: ctl_cmd in use\n", | |
1434 | ioc->name, __func__); | |
1435 | rc = -EAGAIN; | |
1436 | goto out; | |
1437 | } | |
1438 | ||
1439 | buffer_type = diag_register->buffer_type; | |
1440 | if (!_ctl_diag_capability(ioc, buffer_type)) { | |
1441 | pr_err(MPT3SAS_FMT | |
1442 | "%s: doesn't have capability for buffer_type(0x%02x)\n", | |
1443 | ioc->name, __func__, buffer_type); | |
1444 | return -EPERM; | |
1445 | } | |
1446 | ||
1447 | if (ioc->diag_buffer_status[buffer_type] & | |
1448 | MPT3_DIAG_BUFFER_IS_REGISTERED) { | |
1449 | pr_err(MPT3SAS_FMT | |
1450 | "%s: already has a registered buffer for buffer_type(0x%02x)\n", | |
1451 | ioc->name, __func__, | |
1452 | buffer_type); | |
1453 | return -EINVAL; | |
1454 | } | |
1455 | ||
1456 | if (diag_register->requested_buffer_size % 4) { | |
1457 | pr_err(MPT3SAS_FMT | |
1458 | "%s: the requested_buffer_size is not 4 byte aligned\n", | |
1459 | ioc->name, __func__); | |
1460 | return -EINVAL; | |
1461 | } | |
1462 | ||
1463 | smid = mpt3sas_base_get_smid(ioc, ioc->ctl_cb_idx); | |
1464 | if (!smid) { | |
1465 | pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", | |
1466 | ioc->name, __func__); | |
1467 | rc = -EAGAIN; | |
1468 | goto out; | |
1469 | } | |
1470 | ||
1471 | rc = 0; | |
1472 | ioc->ctl_cmds.status = MPT3_CMD_PENDING; | |
1473 | memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); | |
1474 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); | |
1475 | ioc->ctl_cmds.smid = smid; | |
1476 | ||
1477 | request_data = ioc->diag_buffer[buffer_type]; | |
1478 | request_data_sz = diag_register->requested_buffer_size; | |
1479 | ioc->unique_id[buffer_type] = diag_register->unique_id; | |
1480 | ioc->diag_buffer_status[buffer_type] = 0; | |
1481 | memcpy(ioc->product_specific[buffer_type], | |
1482 | diag_register->product_specific, MPT3_PRODUCT_SPECIFIC_DWORDS); | |
1483 | ioc->diagnostic_flags[buffer_type] = diag_register->diagnostic_flags; | |
1484 | ||
1485 | if (request_data) { | |
1486 | request_data_dma = ioc->diag_buffer_dma[buffer_type]; | |
1487 | if (request_data_sz != ioc->diag_buffer_sz[buffer_type]) { | |
1488 | pci_free_consistent(ioc->pdev, | |
1489 | ioc->diag_buffer_sz[buffer_type], | |
1490 | request_data, request_data_dma); | |
1491 | request_data = NULL; | |
1492 | } | |
1493 | } | |
1494 | ||
1495 | if (request_data == NULL) { | |
1496 | ioc->diag_buffer_sz[buffer_type] = 0; | |
1497 | ioc->diag_buffer_dma[buffer_type] = 0; | |
1498 | request_data = pci_alloc_consistent( | |
1499 | ioc->pdev, request_data_sz, &request_data_dma); | |
1500 | if (request_data == NULL) { | |
1501 | pr_err(MPT3SAS_FMT "%s: failed allocating memory" \ | |
1502 | " for diag buffers, requested size(%d)\n", | |
1503 | ioc->name, __func__, request_data_sz); | |
1504 | mpt3sas_base_free_smid(ioc, smid); | |
1505 | return -ENOMEM; | |
1506 | } | |
1507 | ioc->diag_buffer[buffer_type] = request_data; | |
1508 | ioc->diag_buffer_sz[buffer_type] = request_data_sz; | |
1509 | ioc->diag_buffer_dma[buffer_type] = request_data_dma; | |
1510 | } | |
1511 | ||
1512 | mpi_request->Function = MPI2_FUNCTION_DIAG_BUFFER_POST; | |
1513 | mpi_request->BufferType = diag_register->buffer_type; | |
1514 | mpi_request->Flags = cpu_to_le32(diag_register->diagnostic_flags); | |
1515 | mpi_request->BufferAddress = cpu_to_le64(request_data_dma); | |
1516 | mpi_request->BufferLength = cpu_to_le32(request_data_sz); | |
1517 | mpi_request->VF_ID = 0; /* TODO */ | |
1518 | mpi_request->VP_ID = 0; | |
1519 | ||
1520 | dctlprintk(ioc, pr_info(MPT3SAS_FMT | |
1521 | "%s: diag_buffer(0x%p), dma(0x%llx), sz(%d)\n", | |
1522 | ioc->name, __func__, request_data, | |
1523 | (unsigned long long)request_data_dma, | |
1524 | le32_to_cpu(mpi_request->BufferLength))); | |
1525 | ||
1526 | for (i = 0; i < MPT3_PRODUCT_SPECIFIC_DWORDS; i++) | |
1527 | mpi_request->ProductSpecific[i] = | |
1528 | cpu_to_le32(ioc->product_specific[buffer_type][i]); | |
1529 | ||
1530 | init_completion(&ioc->ctl_cmds.done); | |
81c16f83 | 1531 | ioc->put_smid_default(ioc, smid); |
8bbb1cf6 | 1532 | wait_for_completion_timeout(&ioc->ctl_cmds.done, |
f92363d1 SR |
1533 | MPT3_IOCTL_DEFAULT_TIMEOUT*HZ); |
1534 | ||
1535 | if (!(ioc->ctl_cmds.status & MPT3_CMD_COMPLETE)) { | |
1536 | pr_err(MPT3SAS_FMT "%s: timeout\n", ioc->name, | |
1537 | __func__); | |
1538 | _debug_dump_mf(mpi_request, | |
1539 | sizeof(Mpi2DiagBufferPostRequest_t)/4); | |
1540 | if (!(ioc->ctl_cmds.status & MPT3_CMD_RESET)) | |
1541 | issue_reset = 1; | |
1542 | goto issue_host_reset; | |
1543 | } | |
1544 | ||
1545 | /* process the completed Reply Message Frame */ | |
1546 | if ((ioc->ctl_cmds.status & MPT3_CMD_REPLY_VALID) == 0) { | |
1547 | pr_err(MPT3SAS_FMT "%s: no reply message\n", | |
1548 | ioc->name, __func__); | |
1549 | rc = -EFAULT; | |
1550 | goto out; | |
1551 | } | |
1552 | ||
1553 | mpi_reply = ioc->ctl_cmds.reply; | |
1554 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; | |
1555 | ||
1556 | if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { | |
1557 | ioc->diag_buffer_status[buffer_type] |= | |
1558 | MPT3_DIAG_BUFFER_IS_REGISTERED; | |
1559 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s: success\n", | |
1560 | ioc->name, __func__)); | |
1561 | } else { | |
1562 | pr_info(MPT3SAS_FMT | |
1563 | "%s: ioc_status(0x%04x) log_info(0x%08x)\n", | |
1564 | ioc->name, __func__, | |
1565 | ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo)); | |
1566 | rc = -EFAULT; | |
1567 | } | |
1568 | ||
1569 | issue_host_reset: | |
1570 | if (issue_reset) | |
98c56ad3 | 1571 | mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); |
f92363d1 SR |
1572 | |
1573 | out: | |
1574 | ||
1575 | if (rc && request_data) | |
1576 | pci_free_consistent(ioc->pdev, request_data_sz, | |
1577 | request_data, request_data_dma); | |
1578 | ||
1579 | ioc->ctl_cmds.status = MPT3_CMD_NOT_USED; | |
1580 | return rc; | |
1581 | } | |
1582 | ||
1583 | /** | |
1584 | * mpt3sas_enable_diag_buffer - enabling diag_buffers support driver load time | |
1585 | * @ioc: per adapter object | |
1586 | * @bits_to_register: bitwise field where trace is bit 0, and snapshot is bit 1 | |
1587 | * | |
1588 | * This is called when command line option diag_buffer_enable is enabled | |
1589 | * at driver load time. | |
1590 | */ | |
1591 | void | |
1592 | mpt3sas_enable_diag_buffer(struct MPT3SAS_ADAPTER *ioc, u8 bits_to_register) | |
1593 | { | |
1594 | struct mpt3_diag_register diag_register; | |
1595 | ||
1596 | memset(&diag_register, 0, sizeof(struct mpt3_diag_register)); | |
1597 | ||
1598 | if (bits_to_register & 1) { | |
1599 | pr_info(MPT3SAS_FMT "registering trace buffer support\n", | |
1600 | ioc->name); | |
1601 | ioc->diag_trigger_master.MasterData = | |
1602 | (MASTER_TRIGGER_FW_FAULT + MASTER_TRIGGER_ADAPTER_RESET); | |
1603 | diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_TRACE; | |
1604 | /* register for 2MB buffers */ | |
1605 | diag_register.requested_buffer_size = 2 * (1024 * 1024); | |
1606 | diag_register.unique_id = 0x7075900; | |
1607 | _ctl_diag_register_2(ioc, &diag_register); | |
1608 | } | |
1609 | ||
1610 | if (bits_to_register & 2) { | |
1611 | pr_info(MPT3SAS_FMT "registering snapshot buffer support\n", | |
1612 | ioc->name); | |
1613 | diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_SNAPSHOT; | |
1614 | /* register for 2MB buffers */ | |
1615 | diag_register.requested_buffer_size = 2 * (1024 * 1024); | |
1616 | diag_register.unique_id = 0x7075901; | |
1617 | _ctl_diag_register_2(ioc, &diag_register); | |
1618 | } | |
1619 | ||
1620 | if (bits_to_register & 4) { | |
1621 | pr_info(MPT3SAS_FMT "registering extended buffer support\n", | |
1622 | ioc->name); | |
1623 | diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_EXTENDED; | |
1624 | /* register for 2MB buffers */ | |
1625 | diag_register.requested_buffer_size = 2 * (1024 * 1024); | |
1626 | diag_register.unique_id = 0x7075901; | |
1627 | _ctl_diag_register_2(ioc, &diag_register); | |
1628 | } | |
1629 | } | |
1630 | ||
1631 | /** | |
1632 | * _ctl_diag_register - application register with driver | |
1633 | * @ioc: per adapter object | |
1634 | * @arg - user space buffer containing ioctl content | |
1635 | * | |
1636 | * This will allow the driver to setup any required buffers that will be | |
1637 | * needed by firmware to communicate with the driver. | |
1638 | */ | |
1639 | static long | |
1640 | _ctl_diag_register(struct MPT3SAS_ADAPTER *ioc, void __user *arg) | |
1641 | { | |
1642 | struct mpt3_diag_register karg; | |
1643 | long rc; | |
1644 | ||
1645 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1646 | pr_err("failure at %s:%d/%s()!\n", | |
1647 | __FILE__, __LINE__, __func__); | |
1648 | return -EFAULT; | |
1649 | } | |
1650 | ||
1651 | rc = _ctl_diag_register_2(ioc, &karg); | |
1652 | return rc; | |
1653 | } | |
1654 | ||
1655 | /** | |
1656 | * _ctl_diag_unregister - application unregister with driver | |
1657 | * @ioc: per adapter object | |
1658 | * @arg - user space buffer containing ioctl content | |
1659 | * | |
1660 | * This will allow the driver to cleanup any memory allocated for diag | |
1661 | * messages and to free up any resources. | |
1662 | */ | |
1663 | static long | |
1664 | _ctl_diag_unregister(struct MPT3SAS_ADAPTER *ioc, void __user *arg) | |
1665 | { | |
1666 | struct mpt3_diag_unregister karg; | |
1667 | void *request_data; | |
1668 | dma_addr_t request_data_dma; | |
1669 | u32 request_data_sz; | |
1670 | u8 buffer_type; | |
1671 | ||
1672 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1673 | pr_err("failure at %s:%d/%s()!\n", | |
1674 | __FILE__, __LINE__, __func__); | |
1675 | return -EFAULT; | |
1676 | } | |
1677 | ||
1678 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
1679 | __func__)); | |
1680 | ||
1681 | buffer_type = karg.unique_id & 0x000000ff; | |
1682 | if (!_ctl_diag_capability(ioc, buffer_type)) { | |
1683 | pr_err(MPT3SAS_FMT | |
1684 | "%s: doesn't have capability for buffer_type(0x%02x)\n", | |
1685 | ioc->name, __func__, buffer_type); | |
1686 | return -EPERM; | |
1687 | } | |
1688 | ||
1689 | if ((ioc->diag_buffer_status[buffer_type] & | |
1690 | MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) { | |
1691 | pr_err(MPT3SAS_FMT | |
1692 | "%s: buffer_type(0x%02x) is not registered\n", | |
1693 | ioc->name, __func__, buffer_type); | |
1694 | return -EINVAL; | |
1695 | } | |
1696 | if ((ioc->diag_buffer_status[buffer_type] & | |
1697 | MPT3_DIAG_BUFFER_IS_RELEASED) == 0) { | |
1698 | pr_err(MPT3SAS_FMT | |
1699 | "%s: buffer_type(0x%02x) has not been released\n", | |
1700 | ioc->name, __func__, buffer_type); | |
1701 | return -EINVAL; | |
1702 | } | |
1703 | ||
1704 | if (karg.unique_id != ioc->unique_id[buffer_type]) { | |
1705 | pr_err(MPT3SAS_FMT | |
1706 | "%s: unique_id(0x%08x) is not registered\n", | |
1707 | ioc->name, __func__, karg.unique_id); | |
1708 | return -EINVAL; | |
1709 | } | |
1710 | ||
1711 | request_data = ioc->diag_buffer[buffer_type]; | |
1712 | if (!request_data) { | |
1713 | pr_err(MPT3SAS_FMT | |
1714 | "%s: doesn't have memory allocated for buffer_type(0x%02x)\n", | |
1715 | ioc->name, __func__, buffer_type); | |
1716 | return -ENOMEM; | |
1717 | } | |
1718 | ||
1719 | request_data_sz = ioc->diag_buffer_sz[buffer_type]; | |
1720 | request_data_dma = ioc->diag_buffer_dma[buffer_type]; | |
1721 | pci_free_consistent(ioc->pdev, request_data_sz, | |
1722 | request_data, request_data_dma); | |
1723 | ioc->diag_buffer[buffer_type] = NULL; | |
1724 | ioc->diag_buffer_status[buffer_type] = 0; | |
1725 | return 0; | |
1726 | } | |
1727 | ||
1728 | /** | |
1729 | * _ctl_diag_query - query relevant info associated with diag buffers | |
1730 | * @ioc: per adapter object | |
1731 | * @arg - user space buffer containing ioctl content | |
1732 | * | |
1733 | * The application will send only buffer_type and unique_id. Driver will | |
1734 | * inspect unique_id first, if valid, fill in all the info. If unique_id is | |
1735 | * 0x00, the driver will return info specified by Buffer Type. | |
1736 | */ | |
1737 | static long | |
1738 | _ctl_diag_query(struct MPT3SAS_ADAPTER *ioc, void __user *arg) | |
1739 | { | |
1740 | struct mpt3_diag_query karg; | |
1741 | void *request_data; | |
1742 | int i; | |
1743 | u8 buffer_type; | |
1744 | ||
1745 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1746 | pr_err("failure at %s:%d/%s()!\n", | |
1747 | __FILE__, __LINE__, __func__); | |
1748 | return -EFAULT; | |
1749 | } | |
1750 | ||
1751 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
1752 | __func__)); | |
1753 | ||
1754 | karg.application_flags = 0; | |
1755 | buffer_type = karg.buffer_type; | |
1756 | ||
1757 | if (!_ctl_diag_capability(ioc, buffer_type)) { | |
1758 | pr_err(MPT3SAS_FMT | |
1759 | "%s: doesn't have capability for buffer_type(0x%02x)\n", | |
1760 | ioc->name, __func__, buffer_type); | |
1761 | return -EPERM; | |
1762 | } | |
1763 | ||
1764 | if ((ioc->diag_buffer_status[buffer_type] & | |
1765 | MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) { | |
1766 | pr_err(MPT3SAS_FMT | |
1767 | "%s: buffer_type(0x%02x) is not registered\n", | |
1768 | ioc->name, __func__, buffer_type); | |
1769 | return -EINVAL; | |
1770 | } | |
1771 | ||
1772 | if (karg.unique_id & 0xffffff00) { | |
1773 | if (karg.unique_id != ioc->unique_id[buffer_type]) { | |
1774 | pr_err(MPT3SAS_FMT | |
1775 | "%s: unique_id(0x%08x) is not registered\n", | |
1776 | ioc->name, __func__, karg.unique_id); | |
1777 | return -EINVAL; | |
1778 | } | |
1779 | } | |
1780 | ||
1781 | request_data = ioc->diag_buffer[buffer_type]; | |
1782 | if (!request_data) { | |
1783 | pr_err(MPT3SAS_FMT | |
1784 | "%s: doesn't have buffer for buffer_type(0x%02x)\n", | |
1785 | ioc->name, __func__, buffer_type); | |
1786 | return -ENOMEM; | |
1787 | } | |
1788 | ||
1789 | if (ioc->diag_buffer_status[buffer_type] & MPT3_DIAG_BUFFER_IS_RELEASED) | |
1790 | karg.application_flags = (MPT3_APP_FLAGS_APP_OWNED | | |
1791 | MPT3_APP_FLAGS_BUFFER_VALID); | |
1792 | else | |
1793 | karg.application_flags = (MPT3_APP_FLAGS_APP_OWNED | | |
1794 | MPT3_APP_FLAGS_BUFFER_VALID | | |
1795 | MPT3_APP_FLAGS_FW_BUFFER_ACCESS); | |
1796 | ||
1797 | for (i = 0; i < MPT3_PRODUCT_SPECIFIC_DWORDS; i++) | |
1798 | karg.product_specific[i] = | |
1799 | ioc->product_specific[buffer_type][i]; | |
1800 | ||
1801 | karg.total_buffer_size = ioc->diag_buffer_sz[buffer_type]; | |
1802 | karg.driver_added_buffer_size = 0; | |
1803 | karg.unique_id = ioc->unique_id[buffer_type]; | |
1804 | karg.diagnostic_flags = ioc->diagnostic_flags[buffer_type]; | |
1805 | ||
1806 | if (copy_to_user(arg, &karg, sizeof(struct mpt3_diag_query))) { | |
1807 | pr_err(MPT3SAS_FMT | |
1808 | "%s: unable to write mpt3_diag_query data @ %p\n", | |
1809 | ioc->name, __func__, arg); | |
1810 | return -EFAULT; | |
1811 | } | |
1812 | return 0; | |
1813 | } | |
1814 | ||
1815 | /** | |
1816 | * mpt3sas_send_diag_release - Diag Release Message | |
1817 | * @ioc: per adapter object | |
1818 | * @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED | |
1819 | * @issue_reset - specifies whether host reset is required. | |
1820 | * | |
1821 | */ | |
1822 | int | |
1823 | mpt3sas_send_diag_release(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type, | |
1824 | u8 *issue_reset) | |
1825 | { | |
1826 | Mpi2DiagReleaseRequest_t *mpi_request; | |
1827 | Mpi2DiagReleaseReply_t *mpi_reply; | |
1828 | u16 smid; | |
1829 | u16 ioc_status; | |
1830 | u32 ioc_state; | |
1831 | int rc; | |
f92363d1 SR |
1832 | |
1833 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
1834 | __func__)); | |
1835 | ||
1836 | rc = 0; | |
1837 | *issue_reset = 0; | |
1838 | ||
1839 | ioc_state = mpt3sas_base_get_iocstate(ioc, 1); | |
1840 | if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
1841 | if (ioc->diag_buffer_status[buffer_type] & | |
1842 | MPT3_DIAG_BUFFER_IS_REGISTERED) | |
1843 | ioc->diag_buffer_status[buffer_type] |= | |
1844 | MPT3_DIAG_BUFFER_IS_RELEASED; | |
1845 | dctlprintk(ioc, pr_info(MPT3SAS_FMT | |
1846 | "%s: skipping due to FAULT state\n", ioc->name, | |
1847 | __func__)); | |
1848 | rc = -EAGAIN; | |
1849 | goto out; | |
1850 | } | |
1851 | ||
1852 | if (ioc->ctl_cmds.status != MPT3_CMD_NOT_USED) { | |
1853 | pr_err(MPT3SAS_FMT "%s: ctl_cmd in use\n", | |
1854 | ioc->name, __func__); | |
1855 | rc = -EAGAIN; | |
1856 | goto out; | |
1857 | } | |
1858 | ||
1859 | smid = mpt3sas_base_get_smid(ioc, ioc->ctl_cb_idx); | |
1860 | if (!smid) { | |
1861 | pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", | |
1862 | ioc->name, __func__); | |
1863 | rc = -EAGAIN; | |
1864 | goto out; | |
1865 | } | |
1866 | ||
1867 | ioc->ctl_cmds.status = MPT3_CMD_PENDING; | |
1868 | memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); | |
1869 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); | |
1870 | ioc->ctl_cmds.smid = smid; | |
1871 | ||
1872 | mpi_request->Function = MPI2_FUNCTION_DIAG_RELEASE; | |
1873 | mpi_request->BufferType = buffer_type; | |
1874 | mpi_request->VF_ID = 0; /* TODO */ | |
1875 | mpi_request->VP_ID = 0; | |
1876 | ||
1877 | init_completion(&ioc->ctl_cmds.done); | |
81c16f83 | 1878 | ioc->put_smid_default(ioc, smid); |
8bbb1cf6 | 1879 | wait_for_completion_timeout(&ioc->ctl_cmds.done, |
f92363d1 SR |
1880 | MPT3_IOCTL_DEFAULT_TIMEOUT*HZ); |
1881 | ||
1882 | if (!(ioc->ctl_cmds.status & MPT3_CMD_COMPLETE)) { | |
1883 | pr_err(MPT3SAS_FMT "%s: timeout\n", ioc->name, | |
1884 | __func__); | |
1885 | _debug_dump_mf(mpi_request, | |
1886 | sizeof(Mpi2DiagReleaseRequest_t)/4); | |
1887 | if (!(ioc->ctl_cmds.status & MPT3_CMD_RESET)) | |
1888 | *issue_reset = 1; | |
1889 | rc = -EFAULT; | |
1890 | goto out; | |
1891 | } | |
1892 | ||
1893 | /* process the completed Reply Message Frame */ | |
1894 | if ((ioc->ctl_cmds.status & MPT3_CMD_REPLY_VALID) == 0) { | |
1895 | pr_err(MPT3SAS_FMT "%s: no reply message\n", | |
1896 | ioc->name, __func__); | |
1897 | rc = -EFAULT; | |
1898 | goto out; | |
1899 | } | |
1900 | ||
1901 | mpi_reply = ioc->ctl_cmds.reply; | |
1902 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; | |
1903 | ||
1904 | if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { | |
1905 | ioc->diag_buffer_status[buffer_type] |= | |
1906 | MPT3_DIAG_BUFFER_IS_RELEASED; | |
1907 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s: success\n", | |
1908 | ioc->name, __func__)); | |
1909 | } else { | |
1910 | pr_info(MPT3SAS_FMT | |
1911 | "%s: ioc_status(0x%04x) log_info(0x%08x)\n", | |
1912 | ioc->name, __func__, | |
1913 | ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo)); | |
1914 | rc = -EFAULT; | |
1915 | } | |
1916 | ||
1917 | out: | |
1918 | ioc->ctl_cmds.status = MPT3_CMD_NOT_USED; | |
1919 | return rc; | |
1920 | } | |
1921 | ||
1922 | /** | |
1923 | * _ctl_diag_release - request to send Diag Release Message to firmware | |
1924 | * @arg - user space buffer containing ioctl content | |
1925 | * | |
1926 | * This allows ownership of the specified buffer to returned to the driver, | |
1927 | * allowing an application to read the buffer without fear that firmware is | |
9a284e5c | 1928 | * overwriting information in the buffer. |
f92363d1 SR |
1929 | */ |
1930 | static long | |
1931 | _ctl_diag_release(struct MPT3SAS_ADAPTER *ioc, void __user *arg) | |
1932 | { | |
1933 | struct mpt3_diag_release karg; | |
1934 | void *request_data; | |
1935 | int rc; | |
1936 | u8 buffer_type; | |
1937 | u8 issue_reset = 0; | |
1938 | ||
1939 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1940 | pr_err("failure at %s:%d/%s()!\n", | |
1941 | __FILE__, __LINE__, __func__); | |
1942 | return -EFAULT; | |
1943 | } | |
1944 | ||
1945 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
1946 | __func__)); | |
1947 | ||
1948 | buffer_type = karg.unique_id & 0x000000ff; | |
1949 | if (!_ctl_diag_capability(ioc, buffer_type)) { | |
1950 | pr_err(MPT3SAS_FMT | |
1951 | "%s: doesn't have capability for buffer_type(0x%02x)\n", | |
1952 | ioc->name, __func__, buffer_type); | |
1953 | return -EPERM; | |
1954 | } | |
1955 | ||
1956 | if ((ioc->diag_buffer_status[buffer_type] & | |
1957 | MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) { | |
1958 | pr_err(MPT3SAS_FMT | |
1959 | "%s: buffer_type(0x%02x) is not registered\n", | |
1960 | ioc->name, __func__, buffer_type); | |
1961 | return -EINVAL; | |
1962 | } | |
1963 | ||
1964 | if (karg.unique_id != ioc->unique_id[buffer_type]) { | |
1965 | pr_err(MPT3SAS_FMT | |
1966 | "%s: unique_id(0x%08x) is not registered\n", | |
1967 | ioc->name, __func__, karg.unique_id); | |
1968 | return -EINVAL; | |
1969 | } | |
1970 | ||
1971 | if (ioc->diag_buffer_status[buffer_type] & | |
1972 | MPT3_DIAG_BUFFER_IS_RELEASED) { | |
1973 | pr_err(MPT3SAS_FMT | |
1974 | "%s: buffer_type(0x%02x) is already released\n", | |
1975 | ioc->name, __func__, | |
1976 | buffer_type); | |
1977 | return 0; | |
1978 | } | |
1979 | ||
1980 | request_data = ioc->diag_buffer[buffer_type]; | |
1981 | ||
1982 | if (!request_data) { | |
1983 | pr_err(MPT3SAS_FMT | |
1984 | "%s: doesn't have memory allocated for buffer_type(0x%02x)\n", | |
1985 | ioc->name, __func__, buffer_type); | |
1986 | return -ENOMEM; | |
1987 | } | |
1988 | ||
1989 | /* buffers were released by due to host reset */ | |
1990 | if ((ioc->diag_buffer_status[buffer_type] & | |
1991 | MPT3_DIAG_BUFFER_IS_DIAG_RESET)) { | |
1992 | ioc->diag_buffer_status[buffer_type] |= | |
1993 | MPT3_DIAG_BUFFER_IS_RELEASED; | |
1994 | ioc->diag_buffer_status[buffer_type] &= | |
1995 | ~MPT3_DIAG_BUFFER_IS_DIAG_RESET; | |
1996 | pr_err(MPT3SAS_FMT | |
1997 | "%s: buffer_type(0x%02x) was released due to host reset\n", | |
1998 | ioc->name, __func__, buffer_type); | |
1999 | return 0; | |
2000 | } | |
2001 | ||
2002 | rc = mpt3sas_send_diag_release(ioc, buffer_type, &issue_reset); | |
2003 | ||
2004 | if (issue_reset) | |
98c56ad3 | 2005 | mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); |
f92363d1 SR |
2006 | |
2007 | return rc; | |
2008 | } | |
2009 | ||
2010 | /** | |
2011 | * _ctl_diag_read_buffer - request for copy of the diag buffer | |
2012 | * @ioc: per adapter object | |
2013 | * @arg - user space buffer containing ioctl content | |
2014 | */ | |
2015 | static long | |
2016 | _ctl_diag_read_buffer(struct MPT3SAS_ADAPTER *ioc, void __user *arg) | |
2017 | { | |
2018 | struct mpt3_diag_read_buffer karg; | |
2019 | struct mpt3_diag_read_buffer __user *uarg = arg; | |
2020 | void *request_data, *diag_data; | |
2021 | Mpi2DiagBufferPostRequest_t *mpi_request; | |
2022 | Mpi2DiagBufferPostReply_t *mpi_reply; | |
2023 | int rc, i; | |
2024 | u8 buffer_type; | |
8bbb1cf6 | 2025 | unsigned long request_size, copy_size; |
f92363d1 SR |
2026 | u16 smid; |
2027 | u16 ioc_status; | |
2028 | u8 issue_reset = 0; | |
2029 | ||
2030 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
2031 | pr_err("failure at %s:%d/%s()!\n", | |
2032 | __FILE__, __LINE__, __func__); | |
2033 | return -EFAULT; | |
2034 | } | |
2035 | ||
2036 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, | |
2037 | __func__)); | |
2038 | ||
2039 | buffer_type = karg.unique_id & 0x000000ff; | |
2040 | if (!_ctl_diag_capability(ioc, buffer_type)) { | |
2041 | pr_err(MPT3SAS_FMT | |
2042 | "%s: doesn't have capability for buffer_type(0x%02x)\n", | |
2043 | ioc->name, __func__, buffer_type); | |
2044 | return -EPERM; | |
2045 | } | |
2046 | ||
2047 | if (karg.unique_id != ioc->unique_id[buffer_type]) { | |
2048 | pr_err(MPT3SAS_FMT | |
2049 | "%s: unique_id(0x%08x) is not registered\n", | |
2050 | ioc->name, __func__, karg.unique_id); | |
2051 | return -EINVAL; | |
2052 | } | |
2053 | ||
2054 | request_data = ioc->diag_buffer[buffer_type]; | |
2055 | if (!request_data) { | |
2056 | pr_err(MPT3SAS_FMT | |
2057 | "%s: doesn't have buffer for buffer_type(0x%02x)\n", | |
2058 | ioc->name, __func__, buffer_type); | |
2059 | return -ENOMEM; | |
2060 | } | |
2061 | ||
2062 | request_size = ioc->diag_buffer_sz[buffer_type]; | |
2063 | ||
2064 | if ((karg.starting_offset % 4) || (karg.bytes_to_read % 4)) { | |
2065 | pr_err(MPT3SAS_FMT "%s: either the starting_offset " \ | |
2066 | "or bytes_to_read are not 4 byte aligned\n", ioc->name, | |
2067 | __func__); | |
2068 | return -EINVAL; | |
2069 | } | |
2070 | ||
2071 | if (karg.starting_offset > request_size) | |
2072 | return -EINVAL; | |
2073 | ||
2074 | diag_data = (void *)(request_data + karg.starting_offset); | |
2075 | dctlprintk(ioc, pr_info(MPT3SAS_FMT | |
2076 | "%s: diag_buffer(%p), offset(%d), sz(%d)\n", | |
2077 | ioc->name, __func__, | |
2078 | diag_data, karg.starting_offset, karg.bytes_to_read)); | |
2079 | ||
2080 | /* Truncate data on requests that are too large */ | |
2081 | if ((diag_data + karg.bytes_to_read < diag_data) || | |
2082 | (diag_data + karg.bytes_to_read > request_data + request_size)) | |
2083 | copy_size = request_size - karg.starting_offset; | |
2084 | else | |
2085 | copy_size = karg.bytes_to_read; | |
2086 | ||
2087 | if (copy_to_user((void __user *)uarg->diagnostic_data, | |
2088 | diag_data, copy_size)) { | |
2089 | pr_err(MPT3SAS_FMT | |
2090 | "%s: Unable to write mpt_diag_read_buffer_t data @ %p\n", | |
2091 | ioc->name, __func__, diag_data); | |
2092 | return -EFAULT; | |
2093 | } | |
2094 | ||
2095 | if ((karg.flags & MPT3_FLAGS_REREGISTER) == 0) | |
2096 | return 0; | |
2097 | ||
2098 | dctlprintk(ioc, pr_info(MPT3SAS_FMT | |
2099 | "%s: Reregister buffer_type(0x%02x)\n", | |
2100 | ioc->name, __func__, buffer_type)); | |
2101 | if ((ioc->diag_buffer_status[buffer_type] & | |
2102 | MPT3_DIAG_BUFFER_IS_RELEASED) == 0) { | |
2103 | dctlprintk(ioc, pr_info(MPT3SAS_FMT | |
2104 | "%s: buffer_type(0x%02x) is still registered\n", | |
2105 | ioc->name, __func__, buffer_type)); | |
2106 | return 0; | |
2107 | } | |
2108 | /* Get a free request frame and save the message context. | |
2109 | */ | |
2110 | ||
2111 | if (ioc->ctl_cmds.status != MPT3_CMD_NOT_USED) { | |
2112 | pr_err(MPT3SAS_FMT "%s: ctl_cmd in use\n", | |
2113 | ioc->name, __func__); | |
2114 | rc = -EAGAIN; | |
2115 | goto out; | |
2116 | } | |
2117 | ||
2118 | smid = mpt3sas_base_get_smid(ioc, ioc->ctl_cb_idx); | |
2119 | if (!smid) { | |
2120 | pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", | |
2121 | ioc->name, __func__); | |
2122 | rc = -EAGAIN; | |
2123 | goto out; | |
2124 | } | |
2125 | ||
2126 | rc = 0; | |
2127 | ioc->ctl_cmds.status = MPT3_CMD_PENDING; | |
2128 | memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); | |
2129 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); | |
2130 | ioc->ctl_cmds.smid = smid; | |
2131 | ||
2132 | mpi_request->Function = MPI2_FUNCTION_DIAG_BUFFER_POST; | |
2133 | mpi_request->BufferType = buffer_type; | |
2134 | mpi_request->BufferLength = | |
2135 | cpu_to_le32(ioc->diag_buffer_sz[buffer_type]); | |
2136 | mpi_request->BufferAddress = | |
2137 | cpu_to_le64(ioc->diag_buffer_dma[buffer_type]); | |
2138 | for (i = 0; i < MPT3_PRODUCT_SPECIFIC_DWORDS; i++) | |
2139 | mpi_request->ProductSpecific[i] = | |
2140 | cpu_to_le32(ioc->product_specific[buffer_type][i]); | |
2141 | mpi_request->VF_ID = 0; /* TODO */ | |
2142 | mpi_request->VP_ID = 0; | |
2143 | ||
2144 | init_completion(&ioc->ctl_cmds.done); | |
81c16f83 | 2145 | ioc->put_smid_default(ioc, smid); |
8bbb1cf6 | 2146 | wait_for_completion_timeout(&ioc->ctl_cmds.done, |
f92363d1 SR |
2147 | MPT3_IOCTL_DEFAULT_TIMEOUT*HZ); |
2148 | ||
2149 | if (!(ioc->ctl_cmds.status & MPT3_CMD_COMPLETE)) { | |
2150 | pr_err(MPT3SAS_FMT "%s: timeout\n", ioc->name, | |
2151 | __func__); | |
2152 | _debug_dump_mf(mpi_request, | |
2153 | sizeof(Mpi2DiagBufferPostRequest_t)/4); | |
2154 | if (!(ioc->ctl_cmds.status & MPT3_CMD_RESET)) | |
2155 | issue_reset = 1; | |
2156 | goto issue_host_reset; | |
2157 | } | |
2158 | ||
2159 | /* process the completed Reply Message Frame */ | |
2160 | if ((ioc->ctl_cmds.status & MPT3_CMD_REPLY_VALID) == 0) { | |
2161 | pr_err(MPT3SAS_FMT "%s: no reply message\n", | |
2162 | ioc->name, __func__); | |
2163 | rc = -EFAULT; | |
2164 | goto out; | |
2165 | } | |
2166 | ||
2167 | mpi_reply = ioc->ctl_cmds.reply; | |
2168 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; | |
2169 | ||
2170 | if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { | |
2171 | ioc->diag_buffer_status[buffer_type] |= | |
2172 | MPT3_DIAG_BUFFER_IS_REGISTERED; | |
2173 | dctlprintk(ioc, pr_info(MPT3SAS_FMT "%s: success\n", | |
2174 | ioc->name, __func__)); | |
2175 | } else { | |
2176 | pr_info(MPT3SAS_FMT | |
2177 | "%s: ioc_status(0x%04x) log_info(0x%08x)\n", | |
2178 | ioc->name, __func__, | |
2179 | ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo)); | |
2180 | rc = -EFAULT; | |
2181 | } | |
2182 | ||
2183 | issue_host_reset: | |
2184 | if (issue_reset) | |
98c56ad3 | 2185 | mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); |
f92363d1 SR |
2186 | |
2187 | out: | |
2188 | ||
2189 | ioc->ctl_cmds.status = MPT3_CMD_NOT_USED; | |
2190 | return rc; | |
2191 | } | |
2192 | ||
2193 | ||
2194 | ||
2195 | #ifdef CONFIG_COMPAT | |
2196 | /** | |
2197 | * _ctl_compat_mpt_command - convert 32bit pointers to 64bit. | |
2198 | * @ioc: per adapter object | |
2199 | * @cmd - ioctl opcode | |
2200 | * @arg - (struct mpt3_ioctl_command32) | |
2201 | * | |
2202 | * MPT3COMMAND32 - Handle 32bit applications running on 64bit os. | |
2203 | */ | |
2204 | static long | |
2205 | _ctl_compat_mpt_command(struct MPT3SAS_ADAPTER *ioc, unsigned cmd, | |
2206 | void __user *arg) | |
2207 | { | |
2208 | struct mpt3_ioctl_command32 karg32; | |
2209 | struct mpt3_ioctl_command32 __user *uarg; | |
2210 | struct mpt3_ioctl_command karg; | |
2211 | ||
2212 | if (_IOC_SIZE(cmd) != sizeof(struct mpt3_ioctl_command32)) | |
2213 | return -EINVAL; | |
2214 | ||
2215 | uarg = (struct mpt3_ioctl_command32 __user *) arg; | |
2216 | ||
2217 | if (copy_from_user(&karg32, (char __user *)arg, sizeof(karg32))) { | |
2218 | pr_err("failure at %s:%d/%s()!\n", | |
2219 | __FILE__, __LINE__, __func__); | |
2220 | return -EFAULT; | |
2221 | } | |
2222 | ||
2223 | memset(&karg, 0, sizeof(struct mpt3_ioctl_command)); | |
2224 | karg.hdr.ioc_number = karg32.hdr.ioc_number; | |
2225 | karg.hdr.port_number = karg32.hdr.port_number; | |
2226 | karg.hdr.max_data_size = karg32.hdr.max_data_size; | |
2227 | karg.timeout = karg32.timeout; | |
2228 | karg.max_reply_bytes = karg32.max_reply_bytes; | |
2229 | karg.data_in_size = karg32.data_in_size; | |
2230 | karg.data_out_size = karg32.data_out_size; | |
2231 | karg.max_sense_bytes = karg32.max_sense_bytes; | |
2232 | karg.data_sge_offset = karg32.data_sge_offset; | |
2233 | karg.reply_frame_buf_ptr = compat_ptr(karg32.reply_frame_buf_ptr); | |
2234 | karg.data_in_buf_ptr = compat_ptr(karg32.data_in_buf_ptr); | |
2235 | karg.data_out_buf_ptr = compat_ptr(karg32.data_out_buf_ptr); | |
2236 | karg.sense_data_ptr = compat_ptr(karg32.sense_data_ptr); | |
2237 | return _ctl_do_mpt_command(ioc, karg, &uarg->mf); | |
2238 | } | |
2239 | #endif | |
2240 | ||
2241 | /** | |
2242 | * _ctl_ioctl_main - main ioctl entry point | |
2243 | * @file - (struct file) | |
2244 | * @cmd - ioctl opcode | |
c84b06a4 SR |
2245 | * @arg - user space data buffer |
2246 | * @compat - handles 32 bit applications in 64bit os | |
2247 | * @mpi_version: will be MPI2_VERSION for mpt2ctl ioctl device & | |
b130b0d5 | 2248 | * MPI25_VERSION | MPI26_VERSION for mpt3ctl ioctl device. |
f92363d1 SR |
2249 | */ |
2250 | static long | |
2251 | _ctl_ioctl_main(struct file *file, unsigned int cmd, void __user *arg, | |
c84b06a4 | 2252 | u8 compat, u16 mpi_version) |
f92363d1 SR |
2253 | { |
2254 | struct MPT3SAS_ADAPTER *ioc; | |
2255 | struct mpt3_ioctl_header ioctl_header; | |
2256 | enum block_state state; | |
2257 | long ret = -EINVAL; | |
2258 | ||
2259 | /* get IOCTL header */ | |
2260 | if (copy_from_user(&ioctl_header, (char __user *)arg, | |
2261 | sizeof(struct mpt3_ioctl_header))) { | |
2262 | pr_err("failure at %s:%d/%s()!\n", | |
2263 | __FILE__, __LINE__, __func__); | |
2264 | return -EFAULT; | |
2265 | } | |
2266 | ||
c84b06a4 SR |
2267 | if (_ctl_verify_adapter(ioctl_header.ioc_number, |
2268 | &ioc, mpi_version) == -1 || !ioc) | |
f92363d1 SR |
2269 | return -ENODEV; |
2270 | ||
08c4d550 SR |
2271 | /* pci_access_mutex lock acquired by ioctl path */ |
2272 | mutex_lock(&ioc->pci_access_mutex); | |
2273 | ||
f92363d1 | 2274 | if (ioc->shost_recovery || ioc->pci_error_recovery || |
08c4d550 SR |
2275 | ioc->is_driver_loading || ioc->remove_host) { |
2276 | ret = -EAGAIN; | |
2277 | goto out_unlock_pciaccess; | |
2278 | } | |
f92363d1 SR |
2279 | |
2280 | state = (file->f_flags & O_NONBLOCK) ? NON_BLOCKING : BLOCKING; | |
2281 | if (state == NON_BLOCKING) { | |
08c4d550 SR |
2282 | if (!mutex_trylock(&ioc->ctl_cmds.mutex)) { |
2283 | ret = -EAGAIN; | |
2284 | goto out_unlock_pciaccess; | |
2285 | } | |
2286 | } else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex)) { | |
2287 | ret = -ERESTARTSYS; | |
2288 | goto out_unlock_pciaccess; | |
2289 | } | |
f92363d1 SR |
2290 | |
2291 | ||
2292 | switch (cmd) { | |
2293 | case MPT3IOCINFO: | |
2294 | if (_IOC_SIZE(cmd) == sizeof(struct mpt3_ioctl_iocinfo)) | |
2295 | ret = _ctl_getiocinfo(ioc, arg); | |
2296 | break; | |
2297 | #ifdef CONFIG_COMPAT | |
2298 | case MPT3COMMAND32: | |
2299 | #endif | |
2300 | case MPT3COMMAND: | |
2301 | { | |
2302 | struct mpt3_ioctl_command __user *uarg; | |
2303 | struct mpt3_ioctl_command karg; | |
2304 | ||
2305 | #ifdef CONFIG_COMPAT | |
2306 | if (compat) { | |
2307 | ret = _ctl_compat_mpt_command(ioc, cmd, arg); | |
2308 | break; | |
2309 | } | |
2310 | #endif | |
2311 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
2312 | pr_err("failure at %s:%d/%s()!\n", | |
2313 | __FILE__, __LINE__, __func__); | |
2314 | ret = -EFAULT; | |
2315 | break; | |
2316 | } | |
2317 | ||
2318 | if (_IOC_SIZE(cmd) == sizeof(struct mpt3_ioctl_command)) { | |
2319 | uarg = arg; | |
2320 | ret = _ctl_do_mpt_command(ioc, karg, &uarg->mf); | |
2321 | } | |
2322 | break; | |
2323 | } | |
2324 | case MPT3EVENTQUERY: | |
2325 | if (_IOC_SIZE(cmd) == sizeof(struct mpt3_ioctl_eventquery)) | |
2326 | ret = _ctl_eventquery(ioc, arg); | |
2327 | break; | |
2328 | case MPT3EVENTENABLE: | |
2329 | if (_IOC_SIZE(cmd) == sizeof(struct mpt3_ioctl_eventenable)) | |
2330 | ret = _ctl_eventenable(ioc, arg); | |
2331 | break; | |
2332 | case MPT3EVENTREPORT: | |
2333 | ret = _ctl_eventreport(ioc, arg); | |
2334 | break; | |
2335 | case MPT3HARDRESET: | |
2336 | if (_IOC_SIZE(cmd) == sizeof(struct mpt3_ioctl_diag_reset)) | |
2337 | ret = _ctl_do_reset(ioc, arg); | |
2338 | break; | |
2339 | case MPT3BTDHMAPPING: | |
2340 | if (_IOC_SIZE(cmd) == sizeof(struct mpt3_ioctl_btdh_mapping)) | |
2341 | ret = _ctl_btdh_mapping(ioc, arg); | |
2342 | break; | |
2343 | case MPT3DIAGREGISTER: | |
2344 | if (_IOC_SIZE(cmd) == sizeof(struct mpt3_diag_register)) | |
2345 | ret = _ctl_diag_register(ioc, arg); | |
2346 | break; | |
2347 | case MPT3DIAGUNREGISTER: | |
2348 | if (_IOC_SIZE(cmd) == sizeof(struct mpt3_diag_unregister)) | |
2349 | ret = _ctl_diag_unregister(ioc, arg); | |
2350 | break; | |
2351 | case MPT3DIAGQUERY: | |
2352 | if (_IOC_SIZE(cmd) == sizeof(struct mpt3_diag_query)) | |
2353 | ret = _ctl_diag_query(ioc, arg); | |
2354 | break; | |
2355 | case MPT3DIAGRELEASE: | |
2356 | if (_IOC_SIZE(cmd) == sizeof(struct mpt3_diag_release)) | |
2357 | ret = _ctl_diag_release(ioc, arg); | |
2358 | break; | |
2359 | case MPT3DIAGREADBUFFER: | |
2360 | if (_IOC_SIZE(cmd) == sizeof(struct mpt3_diag_read_buffer)) | |
2361 | ret = _ctl_diag_read_buffer(ioc, arg); | |
2362 | break; | |
2363 | default: | |
2364 | dctlprintk(ioc, pr_info(MPT3SAS_FMT | |
2365 | "unsupported ioctl opcode(0x%08x)\n", ioc->name, cmd)); | |
2366 | break; | |
2367 | } | |
2368 | ||
2369 | mutex_unlock(&ioc->ctl_cmds.mutex); | |
08c4d550 SR |
2370 | out_unlock_pciaccess: |
2371 | mutex_unlock(&ioc->pci_access_mutex); | |
f92363d1 SR |
2372 | return ret; |
2373 | } | |
2374 | ||
2375 | /** | |
c84b06a4 | 2376 | * _ctl_ioctl - mpt3ctl main ioctl entry point (unlocked) |
f92363d1 SR |
2377 | * @file - (struct file) |
2378 | * @cmd - ioctl opcode | |
2379 | * @arg - | |
2380 | */ | |
8bbb1cf6 | 2381 | static long |
c84b06a4 | 2382 | _ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg) |
f92363d1 SR |
2383 | { |
2384 | long ret; | |
2385 | ||
b130b0d5 SS |
2386 | /* pass MPI25_VERSION | MPI26_VERSION value, |
2387 | * to indicate that this ioctl cmd | |
c84b06a4 SR |
2388 | * came from mpt3ctl ioctl device. |
2389 | */ | |
b130b0d5 SS |
2390 | ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 0, |
2391 | MPI25_VERSION | MPI26_VERSION); | |
f92363d1 SR |
2392 | return ret; |
2393 | } | |
2394 | ||
c84b06a4 SR |
2395 | /** |
2396 | * _ctl_mpt2_ioctl - mpt2ctl main ioctl entry point (unlocked) | |
2397 | * @file - (struct file) | |
2398 | * @cmd - ioctl opcode | |
2399 | * @arg - | |
2400 | */ | |
8bbb1cf6 | 2401 | static long |
c84b06a4 SR |
2402 | _ctl_mpt2_ioctl(struct file *file, unsigned int cmd, unsigned long arg) |
2403 | { | |
2404 | long ret; | |
2405 | ||
2406 | /* pass MPI2_VERSION value, to indicate that this ioctl cmd | |
2407 | * came from mpt2ctl ioctl device. | |
2408 | */ | |
2409 | ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 0, MPI2_VERSION); | |
2410 | return ret; | |
2411 | } | |
f92363d1 SR |
2412 | #ifdef CONFIG_COMPAT |
2413 | /** | |
c84b06a4 | 2414 | *_ ctl_ioctl_compat - main ioctl entry point (compat) |
f92363d1 SR |
2415 | * @file - |
2416 | * @cmd - | |
2417 | * @arg - | |
2418 | * | |
2419 | * This routine handles 32 bit applications in 64bit os. | |
2420 | */ | |
8bbb1cf6 | 2421 | static long |
c84b06a4 | 2422 | _ctl_ioctl_compat(struct file *file, unsigned cmd, unsigned long arg) |
f92363d1 SR |
2423 | { |
2424 | long ret; | |
2425 | ||
b130b0d5 SS |
2426 | ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 1, |
2427 | MPI25_VERSION | MPI26_VERSION); | |
c84b06a4 SR |
2428 | return ret; |
2429 | } | |
2430 | ||
2431 | /** | |
2432 | *_ ctl_mpt2_ioctl_compat - main ioctl entry point (compat) | |
2433 | * @file - | |
2434 | * @cmd - | |
2435 | * @arg - | |
2436 | * | |
2437 | * This routine handles 32 bit applications in 64bit os. | |
2438 | */ | |
8bbb1cf6 | 2439 | static long |
c84b06a4 SR |
2440 | _ctl_mpt2_ioctl_compat(struct file *file, unsigned cmd, unsigned long arg) |
2441 | { | |
2442 | long ret; | |
2443 | ||
2444 | ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 1, MPI2_VERSION); | |
f92363d1 SR |
2445 | return ret; |
2446 | } | |
2447 | #endif | |
2448 | ||
2449 | /* scsi host attributes */ | |
2450 | /** | |
2451 | * _ctl_version_fw_show - firmware version | |
2452 | * @cdev - pointer to embedded class device | |
2453 | * @buf - the buffer returned | |
2454 | * | |
2455 | * A sysfs 'read-only' shost attribute. | |
2456 | */ | |
2457 | static ssize_t | |
2458 | _ctl_version_fw_show(struct device *cdev, struct device_attribute *attr, | |
2459 | char *buf) | |
2460 | { | |
2461 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2462 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2463 | ||
2464 | return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n", | |
2465 | (ioc->facts.FWVersion.Word & 0xFF000000) >> 24, | |
2466 | (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16, | |
2467 | (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8, | |
2468 | ioc->facts.FWVersion.Word & 0x000000FF); | |
2469 | } | |
2470 | static DEVICE_ATTR(version_fw, S_IRUGO, _ctl_version_fw_show, NULL); | |
2471 | ||
2472 | /** | |
2473 | * _ctl_version_bios_show - bios version | |
2474 | * @cdev - pointer to embedded class device | |
2475 | * @buf - the buffer returned | |
2476 | * | |
2477 | * A sysfs 'read-only' shost attribute. | |
2478 | */ | |
2479 | static ssize_t | |
2480 | _ctl_version_bios_show(struct device *cdev, struct device_attribute *attr, | |
2481 | char *buf) | |
2482 | { | |
2483 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2484 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2485 | ||
2486 | u32 version = le32_to_cpu(ioc->bios_pg3.BiosVersion); | |
2487 | ||
2488 | return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n", | |
2489 | (version & 0xFF000000) >> 24, | |
2490 | (version & 0x00FF0000) >> 16, | |
2491 | (version & 0x0000FF00) >> 8, | |
2492 | version & 0x000000FF); | |
2493 | } | |
2494 | static DEVICE_ATTR(version_bios, S_IRUGO, _ctl_version_bios_show, NULL); | |
2495 | ||
2496 | /** | |
2497 | * _ctl_version_mpi_show - MPI (message passing interface) version | |
2498 | * @cdev - pointer to embedded class device | |
2499 | * @buf - the buffer returned | |
2500 | * | |
2501 | * A sysfs 'read-only' shost attribute. | |
2502 | */ | |
2503 | static ssize_t | |
2504 | _ctl_version_mpi_show(struct device *cdev, struct device_attribute *attr, | |
2505 | char *buf) | |
2506 | { | |
2507 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2508 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2509 | ||
2510 | return snprintf(buf, PAGE_SIZE, "%03x.%02x\n", | |
2511 | ioc->facts.MsgVersion, ioc->facts.HeaderVersion >> 8); | |
2512 | } | |
2513 | static DEVICE_ATTR(version_mpi, S_IRUGO, _ctl_version_mpi_show, NULL); | |
2514 | ||
2515 | /** | |
2516 | * _ctl_version_product_show - product name | |
2517 | * @cdev - pointer to embedded class device | |
2518 | * @buf - the buffer returned | |
2519 | * | |
2520 | * A sysfs 'read-only' shost attribute. | |
2521 | */ | |
2522 | static ssize_t | |
2523 | _ctl_version_product_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, 16, "%s\n", ioc->manu_pg0.ChipName); | |
2530 | } | |
2531 | static DEVICE_ATTR(version_product, S_IRUGO, _ctl_version_product_show, NULL); | |
2532 | ||
2533 | /** | |
2534 | * _ctl_version_nvdata_persistent_show - ndvata persistent version | |
2535 | * @cdev - pointer to embedded class device | |
2536 | * @buf - the buffer returned | |
2537 | * | |
2538 | * A sysfs 'read-only' shost attribute. | |
2539 | */ | |
2540 | static ssize_t | |
2541 | _ctl_version_nvdata_persistent_show(struct device *cdev, | |
2542 | struct device_attribute *attr, char *buf) | |
2543 | { | |
2544 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2545 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2546 | ||
2547 | return snprintf(buf, PAGE_SIZE, "%08xh\n", | |
2548 | le32_to_cpu(ioc->iounit_pg0.NvdataVersionPersistent.Word)); | |
2549 | } | |
2550 | static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO, | |
2551 | _ctl_version_nvdata_persistent_show, NULL); | |
2552 | ||
2553 | /** | |
2554 | * _ctl_version_nvdata_default_show - nvdata default version | |
2555 | * @cdev - pointer to embedded class device | |
2556 | * @buf - the buffer returned | |
2557 | * | |
2558 | * A sysfs 'read-only' shost attribute. | |
2559 | */ | |
2560 | static ssize_t | |
2561 | _ctl_version_nvdata_default_show(struct device *cdev, struct device_attribute | |
2562 | *attr, char *buf) | |
2563 | { | |
2564 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2565 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2566 | ||
2567 | return snprintf(buf, PAGE_SIZE, "%08xh\n", | |
2568 | le32_to_cpu(ioc->iounit_pg0.NvdataVersionDefault.Word)); | |
2569 | } | |
2570 | static DEVICE_ATTR(version_nvdata_default, S_IRUGO, | |
2571 | _ctl_version_nvdata_default_show, NULL); | |
2572 | ||
2573 | /** | |
2574 | * _ctl_board_name_show - board name | |
2575 | * @cdev - pointer to embedded class device | |
2576 | * @buf - the buffer returned | |
2577 | * | |
2578 | * A sysfs 'read-only' shost attribute. | |
2579 | */ | |
2580 | static ssize_t | |
2581 | _ctl_board_name_show(struct device *cdev, struct device_attribute *attr, | |
2582 | char *buf) | |
2583 | { | |
2584 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2585 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2586 | ||
2587 | return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardName); | |
2588 | } | |
2589 | static DEVICE_ATTR(board_name, S_IRUGO, _ctl_board_name_show, NULL); | |
2590 | ||
2591 | /** | |
2592 | * _ctl_board_assembly_show - board assembly name | |
2593 | * @cdev - pointer to embedded class device | |
2594 | * @buf - the buffer returned | |
2595 | * | |
2596 | * A sysfs 'read-only' shost attribute. | |
2597 | */ | |
2598 | static ssize_t | |
2599 | _ctl_board_assembly_show(struct device *cdev, struct device_attribute *attr, | |
2600 | char *buf) | |
2601 | { | |
2602 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2603 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2604 | ||
2605 | return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardAssembly); | |
2606 | } | |
2607 | static DEVICE_ATTR(board_assembly, S_IRUGO, _ctl_board_assembly_show, NULL); | |
2608 | ||
2609 | /** | |
2610 | * _ctl_board_tracer_show - board tracer number | |
2611 | * @cdev - pointer to embedded class device | |
2612 | * @buf - the buffer returned | |
2613 | * | |
2614 | * A sysfs 'read-only' shost attribute. | |
2615 | */ | |
2616 | static ssize_t | |
2617 | _ctl_board_tracer_show(struct device *cdev, struct device_attribute *attr, | |
2618 | char *buf) | |
2619 | { | |
2620 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2621 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2622 | ||
2623 | return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardTracerNumber); | |
2624 | } | |
2625 | static DEVICE_ATTR(board_tracer, S_IRUGO, _ctl_board_tracer_show, NULL); | |
2626 | ||
2627 | /** | |
2628 | * _ctl_io_delay_show - io missing delay | |
2629 | * @cdev - pointer to embedded class device | |
2630 | * @buf - the buffer returned | |
2631 | * | |
2632 | * This is for firmware implemention for deboucing device | |
2633 | * removal events. | |
2634 | * | |
2635 | * A sysfs 'read-only' shost attribute. | |
2636 | */ | |
2637 | static ssize_t | |
2638 | _ctl_io_delay_show(struct device *cdev, struct device_attribute *attr, | |
2639 | char *buf) | |
2640 | { | |
2641 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2642 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2643 | ||
2644 | return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay); | |
2645 | } | |
2646 | static DEVICE_ATTR(io_delay, S_IRUGO, _ctl_io_delay_show, NULL); | |
2647 | ||
2648 | /** | |
2649 | * _ctl_device_delay_show - device missing delay | |
2650 | * @cdev - pointer to embedded class device | |
2651 | * @buf - the buffer returned | |
2652 | * | |
2653 | * This is for firmware implemention for deboucing device | |
2654 | * removal events. | |
2655 | * | |
2656 | * A sysfs 'read-only' shost attribute. | |
2657 | */ | |
2658 | static ssize_t | |
2659 | _ctl_device_delay_show(struct device *cdev, struct device_attribute *attr, | |
2660 | char *buf) | |
2661 | { | |
2662 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2663 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2664 | ||
2665 | return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay); | |
2666 | } | |
2667 | static DEVICE_ATTR(device_delay, S_IRUGO, _ctl_device_delay_show, NULL); | |
2668 | ||
2669 | /** | |
2670 | * _ctl_fw_queue_depth_show - global credits | |
2671 | * @cdev - pointer to embedded class device | |
2672 | * @buf - the buffer returned | |
2673 | * | |
2674 | * This is firmware queue depth limit | |
2675 | * | |
2676 | * A sysfs 'read-only' shost attribute. | |
2677 | */ | |
2678 | static ssize_t | |
2679 | _ctl_fw_queue_depth_show(struct device *cdev, struct device_attribute *attr, | |
2680 | char *buf) | |
2681 | { | |
2682 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2683 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2684 | ||
2685 | return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->facts.RequestCredit); | |
2686 | } | |
2687 | static DEVICE_ATTR(fw_queue_depth, S_IRUGO, _ctl_fw_queue_depth_show, NULL); | |
2688 | ||
2689 | /** | |
2690 | * _ctl_sas_address_show - sas address | |
2691 | * @cdev - pointer to embedded class device | |
2692 | * @buf - the buffer returned | |
2693 | * | |
2694 | * This is the controller sas address | |
2695 | * | |
2696 | * A sysfs 'read-only' shost attribute. | |
2697 | */ | |
2698 | static ssize_t | |
2699 | _ctl_host_sas_address_show(struct device *cdev, struct device_attribute *attr, | |
2700 | char *buf) | |
2701 | ||
2702 | { | |
2703 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2704 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2705 | ||
2706 | return snprintf(buf, PAGE_SIZE, "0x%016llx\n", | |
2707 | (unsigned long long)ioc->sas_hba.sas_address); | |
2708 | } | |
2709 | static DEVICE_ATTR(host_sas_address, S_IRUGO, | |
2710 | _ctl_host_sas_address_show, NULL); | |
2711 | ||
2712 | /** | |
2713 | * _ctl_logging_level_show - logging level | |
2714 | * @cdev - pointer to embedded class device | |
2715 | * @buf - the buffer returned | |
2716 | * | |
2717 | * A sysfs 'read/write' shost attribute. | |
2718 | */ | |
2719 | static ssize_t | |
2720 | _ctl_logging_level_show(struct device *cdev, struct device_attribute *attr, | |
2721 | char *buf) | |
2722 | { | |
2723 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2724 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2725 | ||
2726 | return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->logging_level); | |
2727 | } | |
2728 | static ssize_t | |
2729 | _ctl_logging_level_store(struct device *cdev, struct device_attribute *attr, | |
2730 | const char *buf, size_t count) | |
2731 | { | |
2732 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2733 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2734 | int val = 0; | |
2735 | ||
2736 | if (sscanf(buf, "%x", &val) != 1) | |
2737 | return -EINVAL; | |
2738 | ||
2739 | ioc->logging_level = val; | |
2740 | pr_info(MPT3SAS_FMT "logging_level=%08xh\n", ioc->name, | |
2741 | ioc->logging_level); | |
2742 | return strlen(buf); | |
2743 | } | |
2744 | static DEVICE_ATTR(logging_level, S_IRUGO | S_IWUSR, _ctl_logging_level_show, | |
2745 | _ctl_logging_level_store); | |
2746 | ||
2747 | /** | |
2748 | * _ctl_fwfault_debug_show - show/store fwfault_debug | |
2749 | * @cdev - pointer to embedded class device | |
2750 | * @buf - the buffer returned | |
2751 | * | |
2752 | * mpt3sas_fwfault_debug is command line option | |
2753 | * A sysfs 'read/write' shost attribute. | |
2754 | */ | |
2755 | static ssize_t | |
2756 | _ctl_fwfault_debug_show(struct device *cdev, struct device_attribute *attr, | |
2757 | char *buf) | |
2758 | { | |
2759 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2760 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2761 | ||
2762 | return snprintf(buf, PAGE_SIZE, "%d\n", ioc->fwfault_debug); | |
2763 | } | |
2764 | static ssize_t | |
2765 | _ctl_fwfault_debug_store(struct device *cdev, struct device_attribute *attr, | |
2766 | const char *buf, size_t count) | |
2767 | { | |
2768 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2769 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2770 | int val = 0; | |
2771 | ||
2772 | if (sscanf(buf, "%d", &val) != 1) | |
2773 | return -EINVAL; | |
2774 | ||
2775 | ioc->fwfault_debug = val; | |
2776 | pr_info(MPT3SAS_FMT "fwfault_debug=%d\n", ioc->name, | |
2777 | ioc->fwfault_debug); | |
2778 | return strlen(buf); | |
2779 | } | |
2780 | static DEVICE_ATTR(fwfault_debug, S_IRUGO | S_IWUSR, | |
2781 | _ctl_fwfault_debug_show, _ctl_fwfault_debug_store); | |
2782 | ||
2783 | /** | |
2784 | * _ctl_ioc_reset_count_show - ioc reset count | |
2785 | * @cdev - pointer to embedded class device | |
2786 | * @buf - the buffer returned | |
2787 | * | |
2788 | * This is firmware queue depth limit | |
2789 | * | |
2790 | * A sysfs 'read-only' shost attribute. | |
2791 | */ | |
2792 | static ssize_t | |
2793 | _ctl_ioc_reset_count_show(struct device *cdev, struct device_attribute *attr, | |
2794 | char *buf) | |
2795 | { | |
2796 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2797 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2798 | ||
2799 | return snprintf(buf, PAGE_SIZE, "%d\n", ioc->ioc_reset_count); | |
2800 | } | |
2801 | static DEVICE_ATTR(ioc_reset_count, S_IRUGO, _ctl_ioc_reset_count_show, NULL); | |
2802 | ||
2803 | /** | |
2804 | * _ctl_ioc_reply_queue_count_show - number of reply queues | |
2805 | * @cdev - pointer to embedded class device | |
2806 | * @buf - the buffer returned | |
2807 | * | |
2808 | * This is number of reply queues | |
2809 | * | |
2810 | * A sysfs 'read-only' shost attribute. | |
2811 | */ | |
2812 | static ssize_t | |
2813 | _ctl_ioc_reply_queue_count_show(struct device *cdev, | |
2814 | struct device_attribute *attr, char *buf) | |
2815 | { | |
2816 | u8 reply_queue_count; | |
2817 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2818 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2819 | ||
2820 | if ((ioc->facts.IOCCapabilities & | |
2821 | MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable) | |
2822 | reply_queue_count = ioc->reply_queue_count; | |
2823 | else | |
2824 | reply_queue_count = 1; | |
2825 | ||
2826 | return snprintf(buf, PAGE_SIZE, "%d\n", reply_queue_count); | |
2827 | } | |
2828 | static DEVICE_ATTR(reply_queue_count, S_IRUGO, _ctl_ioc_reply_queue_count_show, | |
2829 | NULL); | |
2830 | ||
42263095 SR |
2831 | /** |
2832 | * _ctl_BRM_status_show - Backup Rail Monitor Status | |
2833 | * @cdev - pointer to embedded class device | |
2834 | * @buf - the buffer returned | |
2835 | * | |
2836 | * This is number of reply queues | |
2837 | * | |
2838 | * A sysfs 'read-only' shost attribute. | |
2839 | */ | |
2840 | static ssize_t | |
2841 | _ctl_BRM_status_show(struct device *cdev, struct device_attribute *attr, | |
2842 | char *buf) | |
2843 | { | |
2844 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2845 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2846 | Mpi2IOUnitPage3_t *io_unit_pg3 = NULL; | |
2847 | Mpi2ConfigReply_t mpi_reply; | |
2848 | u16 backup_rail_monitor_status = 0; | |
2849 | u16 ioc_status; | |
2850 | int sz; | |
2851 | ssize_t rc = 0; | |
2852 | ||
2853 | if (!ioc->is_warpdrive) { | |
2854 | pr_err(MPT3SAS_FMT "%s: BRM attribute is only for" | |
2855 | " warpdrive\n", ioc->name, __func__); | |
2856 | goto out; | |
2857 | } | |
08c4d550 SR |
2858 | /* pci_access_mutex lock acquired by sysfs show path */ |
2859 | mutex_lock(&ioc->pci_access_mutex); | |
2860 | if (ioc->pci_error_recovery || ioc->remove_host) { | |
2861 | mutex_unlock(&ioc->pci_access_mutex); | |
2862 | return 0; | |
2863 | } | |
42263095 SR |
2864 | |
2865 | /* allocate upto GPIOVal 36 entries */ | |
2866 | sz = offsetof(Mpi2IOUnitPage3_t, GPIOVal) + (sizeof(u16) * 36); | |
2867 | io_unit_pg3 = kzalloc(sz, GFP_KERNEL); | |
2868 | if (!io_unit_pg3) { | |
2869 | pr_err(MPT3SAS_FMT "%s: failed allocating memory " | |
2870 | "for iounit_pg3: (%d) bytes\n", ioc->name, __func__, sz); | |
2871 | goto out; | |
2872 | } | |
2873 | ||
2874 | if (mpt3sas_config_get_iounit_pg3(ioc, &mpi_reply, io_unit_pg3, sz) != | |
2875 | 0) { | |
2876 | pr_err(MPT3SAS_FMT | |
2877 | "%s: failed reading iounit_pg3\n", ioc->name, | |
2878 | __func__); | |
2879 | goto out; | |
2880 | } | |
2881 | ||
2882 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; | |
2883 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
2884 | pr_err(MPT3SAS_FMT "%s: iounit_pg3 failed with " | |
2885 | "ioc_status(0x%04x)\n", ioc->name, __func__, ioc_status); | |
2886 | goto out; | |
2887 | } | |
2888 | ||
2889 | if (io_unit_pg3->GPIOCount < 25) { | |
2890 | pr_err(MPT3SAS_FMT "%s: iounit_pg3->GPIOCount less than " | |
2891 | "25 entries, detected (%d) entries\n", ioc->name, __func__, | |
2892 | io_unit_pg3->GPIOCount); | |
2893 | goto out; | |
2894 | } | |
2895 | ||
2896 | /* BRM status is in bit zero of GPIOVal[24] */ | |
2897 | backup_rail_monitor_status = le16_to_cpu(io_unit_pg3->GPIOVal[24]); | |
2898 | rc = snprintf(buf, PAGE_SIZE, "%d\n", (backup_rail_monitor_status & 1)); | |
2899 | ||
2900 | out: | |
2901 | kfree(io_unit_pg3); | |
08c4d550 | 2902 | mutex_unlock(&ioc->pci_access_mutex); |
42263095 SR |
2903 | return rc; |
2904 | } | |
2905 | static DEVICE_ATTR(BRM_status, S_IRUGO, _ctl_BRM_status_show, NULL); | |
42263095 | 2906 | |
f92363d1 SR |
2907 | struct DIAG_BUFFER_START { |
2908 | __le32 Size; | |
2909 | __le32 DiagVersion; | |
2910 | u8 BufferType; | |
2911 | u8 Reserved[3]; | |
2912 | __le32 Reserved1; | |
2913 | __le32 Reserved2; | |
2914 | __le32 Reserved3; | |
2915 | }; | |
2916 | ||
2917 | /** | |
2918 | * _ctl_host_trace_buffer_size_show - host buffer size (trace only) | |
2919 | * @cdev - pointer to embedded class device | |
2920 | * @buf - the buffer returned | |
2921 | * | |
2922 | * A sysfs 'read-only' shost attribute. | |
2923 | */ | |
2924 | static ssize_t | |
2925 | _ctl_host_trace_buffer_size_show(struct device *cdev, | |
2926 | struct device_attribute *attr, char *buf) | |
2927 | { | |
2928 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2929 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2930 | u32 size = 0; | |
2931 | struct DIAG_BUFFER_START *request_data; | |
2932 | ||
2933 | if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) { | |
2934 | pr_err(MPT3SAS_FMT | |
2935 | "%s: host_trace_buffer is not registered\n", | |
2936 | ioc->name, __func__); | |
2937 | return 0; | |
2938 | } | |
2939 | ||
2940 | if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2941 | MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) { | |
2942 | pr_err(MPT3SAS_FMT | |
2943 | "%s: host_trace_buffer is not registered\n", | |
2944 | ioc->name, __func__); | |
2945 | return 0; | |
2946 | } | |
2947 | ||
2948 | request_data = (struct DIAG_BUFFER_START *) | |
2949 | ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]; | |
2950 | if ((le32_to_cpu(request_data->DiagVersion) == 0x00000000 || | |
2951 | le32_to_cpu(request_data->DiagVersion) == 0x01000000 || | |
2952 | le32_to_cpu(request_data->DiagVersion) == 0x01010000) && | |
2953 | le32_to_cpu(request_data->Reserved3) == 0x4742444c) | |
2954 | size = le32_to_cpu(request_data->Size); | |
2955 | ||
2956 | ioc->ring_buffer_sz = size; | |
2957 | return snprintf(buf, PAGE_SIZE, "%d\n", size); | |
2958 | } | |
2959 | static DEVICE_ATTR(host_trace_buffer_size, S_IRUGO, | |
2960 | _ctl_host_trace_buffer_size_show, NULL); | |
2961 | ||
2962 | /** | |
2963 | * _ctl_host_trace_buffer_show - firmware ring buffer (trace only) | |
2964 | * @cdev - pointer to embedded class device | |
2965 | * @buf - the buffer returned | |
2966 | * | |
2967 | * A sysfs 'read/write' shost attribute. | |
2968 | * | |
2969 | * You will only be able to read 4k bytes of ring buffer at a time. | |
2970 | * In order to read beyond 4k bytes, you will have to write out the | |
2971 | * offset to the same attribute, it will move the pointer. | |
2972 | */ | |
2973 | static ssize_t | |
2974 | _ctl_host_trace_buffer_show(struct device *cdev, struct device_attribute *attr, | |
2975 | char *buf) | |
2976 | { | |
2977 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2978 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
2979 | void *request_data; | |
2980 | u32 size; | |
2981 | ||
2982 | if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) { | |
2983 | pr_err(MPT3SAS_FMT | |
2984 | "%s: host_trace_buffer is not registered\n", | |
2985 | ioc->name, __func__); | |
2986 | return 0; | |
2987 | } | |
2988 | ||
2989 | if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2990 | MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) { | |
2991 | pr_err(MPT3SAS_FMT | |
2992 | "%s: host_trace_buffer is not registered\n", | |
2993 | ioc->name, __func__); | |
2994 | return 0; | |
2995 | } | |
2996 | ||
2997 | if (ioc->ring_buffer_offset > ioc->ring_buffer_sz) | |
2998 | return 0; | |
2999 | ||
3000 | size = ioc->ring_buffer_sz - ioc->ring_buffer_offset; | |
3001 | size = (size >= PAGE_SIZE) ? (PAGE_SIZE - 1) : size; | |
3002 | request_data = ioc->diag_buffer[0] + ioc->ring_buffer_offset; | |
3003 | memcpy(buf, request_data, size); | |
3004 | return size; | |
3005 | } | |
3006 | ||
3007 | static ssize_t | |
3008 | _ctl_host_trace_buffer_store(struct device *cdev, struct device_attribute *attr, | |
3009 | const char *buf, size_t count) | |
3010 | { | |
3011 | struct Scsi_Host *shost = class_to_shost(cdev); | |
3012 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
3013 | int val = 0; | |
3014 | ||
3015 | if (sscanf(buf, "%d", &val) != 1) | |
3016 | return -EINVAL; | |
3017 | ||
3018 | ioc->ring_buffer_offset = val; | |
3019 | return strlen(buf); | |
3020 | } | |
3021 | static DEVICE_ATTR(host_trace_buffer, S_IRUGO | S_IWUSR, | |
3022 | _ctl_host_trace_buffer_show, _ctl_host_trace_buffer_store); | |
3023 | ||
3024 | ||
3025 | /*****************************************/ | |
3026 | ||
3027 | /** | |
3028 | * _ctl_host_trace_buffer_enable_show - firmware ring buffer (trace only) | |
3029 | * @cdev - pointer to embedded class device | |
3030 | * @buf - the buffer returned | |
3031 | * | |
3032 | * A sysfs 'read/write' shost attribute. | |
3033 | * | |
3034 | * This is a mechnism to post/release host_trace_buffers | |
3035 | */ | |
3036 | static ssize_t | |
3037 | _ctl_host_trace_buffer_enable_show(struct device *cdev, | |
3038 | struct device_attribute *attr, char *buf) | |
3039 | { | |
3040 | struct Scsi_Host *shost = class_to_shost(cdev); | |
3041 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
3042 | ||
3043 | if ((!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) || | |
3044 | ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
3045 | MPT3_DIAG_BUFFER_IS_REGISTERED) == 0)) | |
3046 | return snprintf(buf, PAGE_SIZE, "off\n"); | |
3047 | else if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
3048 | MPT3_DIAG_BUFFER_IS_RELEASED)) | |
3049 | return snprintf(buf, PAGE_SIZE, "release\n"); | |
3050 | else | |
3051 | return snprintf(buf, PAGE_SIZE, "post\n"); | |
3052 | } | |
3053 | ||
3054 | static ssize_t | |
3055 | _ctl_host_trace_buffer_enable_store(struct device *cdev, | |
3056 | struct device_attribute *attr, const char *buf, size_t count) | |
3057 | { | |
3058 | struct Scsi_Host *shost = class_to_shost(cdev); | |
3059 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
3060 | char str[10] = ""; | |
3061 | struct mpt3_diag_register diag_register; | |
3062 | u8 issue_reset = 0; | |
3063 | ||
3064 | /* don't allow post/release occurr while recovery is active */ | |
3065 | if (ioc->shost_recovery || ioc->remove_host || | |
3066 | ioc->pci_error_recovery || ioc->is_driver_loading) | |
3067 | return -EBUSY; | |
3068 | ||
3069 | if (sscanf(buf, "%9s", str) != 1) | |
3070 | return -EINVAL; | |
3071 | ||
3072 | if (!strcmp(str, "post")) { | |
3073 | /* exit out if host buffers are already posted */ | |
3074 | if ((ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) && | |
3075 | (ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
3076 | MPT3_DIAG_BUFFER_IS_REGISTERED) && | |
3077 | ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
3078 | MPT3_DIAG_BUFFER_IS_RELEASED) == 0)) | |
3079 | goto out; | |
3080 | memset(&diag_register, 0, sizeof(struct mpt3_diag_register)); | |
3081 | pr_info(MPT3SAS_FMT "posting host trace buffers\n", | |
3082 | ioc->name); | |
3083 | diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_TRACE; | |
3084 | diag_register.requested_buffer_size = (1024 * 1024); | |
3085 | diag_register.unique_id = 0x7075900; | |
3086 | ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] = 0; | |
3087 | _ctl_diag_register_2(ioc, &diag_register); | |
3088 | } else if (!strcmp(str, "release")) { | |
3089 | /* exit out if host buffers are already released */ | |
3090 | if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) | |
3091 | goto out; | |
3092 | if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
3093 | MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) | |
3094 | goto out; | |
3095 | if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
3096 | MPT3_DIAG_BUFFER_IS_RELEASED)) | |
3097 | goto out; | |
3098 | pr_info(MPT3SAS_FMT "releasing host trace buffer\n", | |
3099 | ioc->name); | |
3100 | mpt3sas_send_diag_release(ioc, MPI2_DIAG_BUF_TYPE_TRACE, | |
3101 | &issue_reset); | |
3102 | } | |
3103 | ||
3104 | out: | |
3105 | return strlen(buf); | |
3106 | } | |
3107 | static DEVICE_ATTR(host_trace_buffer_enable, S_IRUGO | S_IWUSR, | |
3108 | _ctl_host_trace_buffer_enable_show, | |
3109 | _ctl_host_trace_buffer_enable_store); | |
3110 | ||
3111 | /*********** diagnostic trigger suppport *********************************/ | |
3112 | ||
3113 | /** | |
3114 | * _ctl_diag_trigger_master_show - show the diag_trigger_master attribute | |
3115 | * @cdev - pointer to embedded class device | |
3116 | * @buf - the buffer returned | |
3117 | * | |
3118 | * A sysfs 'read/write' shost attribute. | |
3119 | */ | |
3120 | static ssize_t | |
3121 | _ctl_diag_trigger_master_show(struct device *cdev, | |
3122 | struct device_attribute *attr, char *buf) | |
3123 | ||
3124 | { | |
3125 | struct Scsi_Host *shost = class_to_shost(cdev); | |
3126 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
3127 | unsigned long flags; | |
3128 | ssize_t rc; | |
3129 | ||
3130 | spin_lock_irqsave(&ioc->diag_trigger_lock, flags); | |
3131 | rc = sizeof(struct SL_WH_MASTER_TRIGGER_T); | |
3132 | memcpy(buf, &ioc->diag_trigger_master, rc); | |
3133 | spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags); | |
3134 | return rc; | |
3135 | } | |
3136 | ||
3137 | /** | |
3138 | * _ctl_diag_trigger_master_store - store the diag_trigger_master attribute | |
3139 | * @cdev - pointer to embedded class device | |
3140 | * @buf - the buffer returned | |
3141 | * | |
3142 | * A sysfs 'read/write' shost attribute. | |
3143 | */ | |
3144 | static ssize_t | |
3145 | _ctl_diag_trigger_master_store(struct device *cdev, | |
3146 | struct device_attribute *attr, const char *buf, size_t count) | |
3147 | ||
3148 | { | |
3149 | struct Scsi_Host *shost = class_to_shost(cdev); | |
3150 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
3151 | unsigned long flags; | |
3152 | ssize_t rc; | |
3153 | ||
3154 | spin_lock_irqsave(&ioc->diag_trigger_lock, flags); | |
3155 | rc = min(sizeof(struct SL_WH_MASTER_TRIGGER_T), count); | |
3156 | memset(&ioc->diag_trigger_master, 0, | |
3157 | sizeof(struct SL_WH_MASTER_TRIGGER_T)); | |
3158 | memcpy(&ioc->diag_trigger_master, buf, rc); | |
3159 | ioc->diag_trigger_master.MasterData |= | |
3160 | (MASTER_TRIGGER_FW_FAULT + MASTER_TRIGGER_ADAPTER_RESET); | |
3161 | spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags); | |
3162 | return rc; | |
3163 | } | |
3164 | static DEVICE_ATTR(diag_trigger_master, S_IRUGO | S_IWUSR, | |
3165 | _ctl_diag_trigger_master_show, _ctl_diag_trigger_master_store); | |
3166 | ||
3167 | ||
3168 | /** | |
3169 | * _ctl_diag_trigger_event_show - show the diag_trigger_event attribute | |
3170 | * @cdev - pointer to embedded class device | |
3171 | * @buf - the buffer returned | |
3172 | * | |
3173 | * A sysfs 'read/write' shost attribute. | |
3174 | */ | |
3175 | static ssize_t | |
3176 | _ctl_diag_trigger_event_show(struct device *cdev, | |
3177 | struct device_attribute *attr, char *buf) | |
3178 | { | |
3179 | struct Scsi_Host *shost = class_to_shost(cdev); | |
3180 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
3181 | unsigned long flags; | |
3182 | ssize_t rc; | |
3183 | ||
3184 | spin_lock_irqsave(&ioc->diag_trigger_lock, flags); | |
3185 | rc = sizeof(struct SL_WH_EVENT_TRIGGERS_T); | |
3186 | memcpy(buf, &ioc->diag_trigger_event, rc); | |
3187 | spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags); | |
3188 | return rc; | |
3189 | } | |
3190 | ||
3191 | /** | |
3192 | * _ctl_diag_trigger_event_store - store the diag_trigger_event attribute | |
3193 | * @cdev - pointer to embedded class device | |
3194 | * @buf - the buffer returned | |
3195 | * | |
3196 | * A sysfs 'read/write' shost attribute. | |
3197 | */ | |
3198 | static ssize_t | |
3199 | _ctl_diag_trigger_event_store(struct device *cdev, | |
3200 | struct device_attribute *attr, const char *buf, size_t count) | |
3201 | ||
3202 | { | |
3203 | struct Scsi_Host *shost = class_to_shost(cdev); | |
3204 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
3205 | unsigned long flags; | |
3206 | ssize_t sz; | |
3207 | ||
3208 | spin_lock_irqsave(&ioc->diag_trigger_lock, flags); | |
3209 | sz = min(sizeof(struct SL_WH_EVENT_TRIGGERS_T), count); | |
3210 | memset(&ioc->diag_trigger_event, 0, | |
3211 | sizeof(struct SL_WH_EVENT_TRIGGERS_T)); | |
3212 | memcpy(&ioc->diag_trigger_event, buf, sz); | |
3213 | if (ioc->diag_trigger_event.ValidEntries > NUM_VALID_ENTRIES) | |
3214 | ioc->diag_trigger_event.ValidEntries = NUM_VALID_ENTRIES; | |
3215 | spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags); | |
3216 | return sz; | |
3217 | } | |
3218 | static DEVICE_ATTR(diag_trigger_event, S_IRUGO | S_IWUSR, | |
3219 | _ctl_diag_trigger_event_show, _ctl_diag_trigger_event_store); | |
3220 | ||
3221 | ||
3222 | /** | |
3223 | * _ctl_diag_trigger_scsi_show - show the diag_trigger_scsi attribute | |
3224 | * @cdev - pointer to embedded class device | |
3225 | * @buf - the buffer returned | |
3226 | * | |
3227 | * A sysfs 'read/write' shost attribute. | |
3228 | */ | |
3229 | static ssize_t | |
3230 | _ctl_diag_trigger_scsi_show(struct device *cdev, | |
3231 | struct device_attribute *attr, char *buf) | |
3232 | { | |
3233 | struct Scsi_Host *shost = class_to_shost(cdev); | |
3234 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
3235 | unsigned long flags; | |
3236 | ssize_t rc; | |
3237 | ||
3238 | spin_lock_irqsave(&ioc->diag_trigger_lock, flags); | |
3239 | rc = sizeof(struct SL_WH_SCSI_TRIGGERS_T); | |
3240 | memcpy(buf, &ioc->diag_trigger_scsi, rc); | |
3241 | spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags); | |
3242 | return rc; | |
3243 | } | |
3244 | ||
3245 | /** | |
3246 | * _ctl_diag_trigger_scsi_store - store the diag_trigger_scsi attribute | |
3247 | * @cdev - pointer to embedded class device | |
3248 | * @buf - the buffer returned | |
3249 | * | |
3250 | * A sysfs 'read/write' shost attribute. | |
3251 | */ | |
3252 | static ssize_t | |
3253 | _ctl_diag_trigger_scsi_store(struct device *cdev, | |
3254 | struct device_attribute *attr, const char *buf, size_t count) | |
3255 | { | |
3256 | struct Scsi_Host *shost = class_to_shost(cdev); | |
3257 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
3258 | unsigned long flags; | |
3259 | ssize_t sz; | |
3260 | ||
3261 | spin_lock_irqsave(&ioc->diag_trigger_lock, flags); | |
3262 | sz = min(sizeof(struct SL_WH_SCSI_TRIGGERS_T), count); | |
3263 | memset(&ioc->diag_trigger_scsi, 0, | |
3264 | sizeof(struct SL_WH_EVENT_TRIGGERS_T)); | |
3265 | memcpy(&ioc->diag_trigger_scsi, buf, sz); | |
3266 | if (ioc->diag_trigger_scsi.ValidEntries > NUM_VALID_ENTRIES) | |
3267 | ioc->diag_trigger_scsi.ValidEntries = NUM_VALID_ENTRIES; | |
3268 | spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags); | |
3269 | return sz; | |
3270 | } | |
3271 | static DEVICE_ATTR(diag_trigger_scsi, S_IRUGO | S_IWUSR, | |
3272 | _ctl_diag_trigger_scsi_show, _ctl_diag_trigger_scsi_store); | |
3273 | ||
3274 | ||
3275 | /** | |
3276 | * _ctl_diag_trigger_scsi_show - show the diag_trigger_mpi attribute | |
3277 | * @cdev - pointer to embedded class device | |
3278 | * @buf - the buffer returned | |
3279 | * | |
3280 | * A sysfs 'read/write' shost attribute. | |
3281 | */ | |
3282 | static ssize_t | |
3283 | _ctl_diag_trigger_mpi_show(struct device *cdev, | |
3284 | struct device_attribute *attr, char *buf) | |
3285 | { | |
3286 | struct Scsi_Host *shost = class_to_shost(cdev); | |
3287 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
3288 | unsigned long flags; | |
3289 | ssize_t rc; | |
3290 | ||
3291 | spin_lock_irqsave(&ioc->diag_trigger_lock, flags); | |
3292 | rc = sizeof(struct SL_WH_MPI_TRIGGERS_T); | |
3293 | memcpy(buf, &ioc->diag_trigger_mpi, rc); | |
3294 | spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags); | |
3295 | return rc; | |
3296 | } | |
3297 | ||
3298 | /** | |
3299 | * _ctl_diag_trigger_mpi_store - store the diag_trigger_mpi attribute | |
3300 | * @cdev - pointer to embedded class device | |
3301 | * @buf - the buffer returned | |
3302 | * | |
3303 | * A sysfs 'read/write' shost attribute. | |
3304 | */ | |
3305 | static ssize_t | |
3306 | _ctl_diag_trigger_mpi_store(struct device *cdev, | |
3307 | struct device_attribute *attr, const char *buf, size_t count) | |
3308 | { | |
3309 | struct Scsi_Host *shost = class_to_shost(cdev); | |
3310 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); | |
3311 | unsigned long flags; | |
3312 | ssize_t sz; | |
3313 | ||
3314 | spin_lock_irqsave(&ioc->diag_trigger_lock, flags); | |
3315 | sz = min(sizeof(struct SL_WH_MPI_TRIGGERS_T), count); | |
3316 | memset(&ioc->diag_trigger_mpi, 0, | |
66331e8c | 3317 | sizeof(ioc->diag_trigger_mpi)); |
f92363d1 SR |
3318 | memcpy(&ioc->diag_trigger_mpi, buf, sz); |
3319 | if (ioc->diag_trigger_mpi.ValidEntries > NUM_VALID_ENTRIES) | |
3320 | ioc->diag_trigger_mpi.ValidEntries = NUM_VALID_ENTRIES; | |
3321 | spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags); | |
3322 | return sz; | |
3323 | } | |
3324 | ||
3325 | static DEVICE_ATTR(diag_trigger_mpi, S_IRUGO | S_IWUSR, | |
3326 | _ctl_diag_trigger_mpi_show, _ctl_diag_trigger_mpi_store); | |
3327 | ||
3328 | /*********** diagnostic trigger suppport *** END ****************************/ | |
3329 | ||
f92363d1 SR |
3330 | /*****************************************/ |
3331 | ||
3332 | struct device_attribute *mpt3sas_host_attrs[] = { | |
3333 | &dev_attr_version_fw, | |
3334 | &dev_attr_version_bios, | |
3335 | &dev_attr_version_mpi, | |
3336 | &dev_attr_version_product, | |
3337 | &dev_attr_version_nvdata_persistent, | |
3338 | &dev_attr_version_nvdata_default, | |
3339 | &dev_attr_board_name, | |
3340 | &dev_attr_board_assembly, | |
3341 | &dev_attr_board_tracer, | |
3342 | &dev_attr_io_delay, | |
3343 | &dev_attr_device_delay, | |
3344 | &dev_attr_logging_level, | |
3345 | &dev_attr_fwfault_debug, | |
3346 | &dev_attr_fw_queue_depth, | |
3347 | &dev_attr_host_sas_address, | |
3348 | &dev_attr_ioc_reset_count, | |
3349 | &dev_attr_host_trace_buffer_size, | |
3350 | &dev_attr_host_trace_buffer, | |
3351 | &dev_attr_host_trace_buffer_enable, | |
3352 | &dev_attr_reply_queue_count, | |
3353 | &dev_attr_diag_trigger_master, | |
3354 | &dev_attr_diag_trigger_event, | |
3355 | &dev_attr_diag_trigger_scsi, | |
3356 | &dev_attr_diag_trigger_mpi, | |
42263095 | 3357 | &dev_attr_BRM_status, |
f92363d1 SR |
3358 | NULL, |
3359 | }; | |
3360 | ||
3361 | /* device attributes */ | |
3362 | ||
3363 | /** | |
3364 | * _ctl_device_sas_address_show - sas address | |
3365 | * @cdev - pointer to embedded class device | |
3366 | * @buf - the buffer returned | |
3367 | * | |
3368 | * This is the sas address for the target | |
3369 | * | |
3370 | * A sysfs 'read-only' shost attribute. | |
3371 | */ | |
3372 | static ssize_t | |
3373 | _ctl_device_sas_address_show(struct device *dev, struct device_attribute *attr, | |
3374 | char *buf) | |
3375 | { | |
3376 | struct scsi_device *sdev = to_scsi_device(dev); | |
3377 | struct MPT3SAS_DEVICE *sas_device_priv_data = sdev->hostdata; | |
3378 | ||
3379 | return snprintf(buf, PAGE_SIZE, "0x%016llx\n", | |
3380 | (unsigned long long)sas_device_priv_data->sas_target->sas_address); | |
3381 | } | |
3382 | static DEVICE_ATTR(sas_address, S_IRUGO, _ctl_device_sas_address_show, NULL); | |
3383 | ||
3384 | /** | |
3385 | * _ctl_device_handle_show - device handle | |
3386 | * @cdev - pointer to embedded class device | |
3387 | * @buf - the buffer returned | |
3388 | * | |
3389 | * This is the firmware assigned device handle | |
3390 | * | |
3391 | * A sysfs 'read-only' shost attribute. | |
3392 | */ | |
3393 | static ssize_t | |
3394 | _ctl_device_handle_show(struct device *dev, struct device_attribute *attr, | |
3395 | char *buf) | |
3396 | { | |
3397 | struct scsi_device *sdev = to_scsi_device(dev); | |
3398 | struct MPT3SAS_DEVICE *sas_device_priv_data = sdev->hostdata; | |
3399 | ||
3400 | return snprintf(buf, PAGE_SIZE, "0x%04x\n", | |
3401 | sas_device_priv_data->sas_target->handle); | |
3402 | } | |
3403 | static DEVICE_ATTR(sas_device_handle, S_IRUGO, _ctl_device_handle_show, NULL); | |
3404 | ||
307d9075 AM |
3405 | /** |
3406 | * _ctl_device_ncq_io_prio_show - send prioritized io commands to device | |
3407 | * @dev - pointer to embedded device | |
3408 | * @buf - the buffer returned | |
3409 | * | |
3410 | * A sysfs 'read/write' sdev attribute, only works with SATA | |
3411 | */ | |
3412 | static ssize_t | |
3413 | _ctl_device_ncq_prio_enable_show(struct device *dev, | |
3414 | struct device_attribute *attr, char *buf) | |
3415 | { | |
3416 | struct scsi_device *sdev = to_scsi_device(dev); | |
3417 | struct MPT3SAS_DEVICE *sas_device_priv_data = sdev->hostdata; | |
3418 | ||
3419 | return snprintf(buf, PAGE_SIZE, "%d\n", | |
3420 | sas_device_priv_data->ncq_prio_enable); | |
3421 | } | |
3422 | ||
3423 | static ssize_t | |
3424 | _ctl_device_ncq_prio_enable_store(struct device *dev, | |
3425 | struct device_attribute *attr, | |
3426 | const char *buf, size_t count) | |
3427 | { | |
3428 | struct scsi_device *sdev = to_scsi_device(dev); | |
3429 | struct MPT3SAS_DEVICE *sas_device_priv_data = sdev->hostdata; | |
3430 | bool ncq_prio_enable = 0; | |
3431 | ||
3432 | if (kstrtobool(buf, &ncq_prio_enable)) | |
3433 | return -EINVAL; | |
3434 | ||
3435 | if (!scsih_ncq_prio_supp(sdev)) | |
3436 | return -EINVAL; | |
3437 | ||
3438 | sas_device_priv_data->ncq_prio_enable = ncq_prio_enable; | |
3439 | return strlen(buf); | |
3440 | } | |
3441 | static DEVICE_ATTR(sas_ncq_prio_enable, S_IRUGO | S_IWUSR, | |
3442 | _ctl_device_ncq_prio_enable_show, | |
3443 | _ctl_device_ncq_prio_enable_store); | |
3444 | ||
f92363d1 SR |
3445 | struct device_attribute *mpt3sas_dev_attrs[] = { |
3446 | &dev_attr_sas_address, | |
3447 | &dev_attr_sas_device_handle, | |
307d9075 | 3448 | &dev_attr_sas_ncq_prio_enable, |
f92363d1 SR |
3449 | NULL, |
3450 | }; | |
3451 | ||
c84b06a4 SR |
3452 | /* file operations table for mpt3ctl device */ |
3453 | static const struct file_operations ctl_fops = { | |
3454 | .owner = THIS_MODULE, | |
3455 | .unlocked_ioctl = _ctl_ioctl, | |
3456 | .poll = _ctl_poll, | |
3457 | .fasync = _ctl_fasync, | |
3458 | #ifdef CONFIG_COMPAT | |
3459 | .compat_ioctl = _ctl_ioctl_compat, | |
3460 | #endif | |
3461 | }; | |
3462 | ||
3463 | /* file operations table for mpt2ctl device */ | |
3464 | static const struct file_operations ctl_gen2_fops = { | |
3465 | .owner = THIS_MODULE, | |
3466 | .unlocked_ioctl = _ctl_mpt2_ioctl, | |
3467 | .poll = _ctl_poll, | |
3468 | .fasync = _ctl_fasync, | |
3469 | #ifdef CONFIG_COMPAT | |
3470 | .compat_ioctl = _ctl_mpt2_ioctl_compat, | |
3471 | #endif | |
3472 | }; | |
3473 | ||
3474 | static struct miscdevice ctl_dev = { | |
3475 | .minor = MPT3SAS_MINOR, | |
3476 | .name = MPT3SAS_DEV_NAME, | |
3477 | .fops = &ctl_fops, | |
3478 | }; | |
3479 | ||
3480 | static struct miscdevice gen2_ctl_dev = { | |
3481 | .minor = MPT2SAS_MINOR, | |
3482 | .name = MPT2SAS_DEV_NAME, | |
3483 | .fops = &ctl_gen2_fops, | |
3484 | }; | |
3485 | ||
f92363d1 | 3486 | /** |
c84b06a4 | 3487 | * mpt3sas_ctl_init - main entry point for ctl. |
f92363d1 SR |
3488 | * |
3489 | */ | |
3490 | void | |
c84b06a4 | 3491 | mpt3sas_ctl_init(ushort hbas_to_enumerate) |
f92363d1 SR |
3492 | { |
3493 | async_queue = NULL; | |
c84b06a4 SR |
3494 | |
3495 | /* Don't register mpt3ctl ioctl device if | |
3496 | * hbas_to_enumarate is one. | |
3497 | */ | |
3498 | if (hbas_to_enumerate != 1) | |
3499 | if (misc_register(&ctl_dev) < 0) | |
3500 | pr_err("%s can't register misc device [minor=%d]\n", | |
3501 | MPT3SAS_DRIVER_NAME, MPT3SAS_MINOR); | |
3502 | ||
3503 | /* Don't register mpt3ctl ioctl device if | |
3504 | * hbas_to_enumarate is two. | |
3505 | */ | |
3506 | if (hbas_to_enumerate != 2) | |
3507 | if (misc_register(&gen2_ctl_dev) < 0) | |
3508 | pr_err("%s can't register misc device [minor=%d]\n", | |
3509 | MPT2SAS_DRIVER_NAME, MPT2SAS_MINOR); | |
3510 | ||
f92363d1 SR |
3511 | init_waitqueue_head(&ctl_poll_wait); |
3512 | } | |
3513 | ||
3514 | /** | |
c84b06a4 | 3515 | * mpt3sas_ctl_exit - exit point for ctl |
f92363d1 SR |
3516 | * |
3517 | */ | |
3518 | void | |
c84b06a4 | 3519 | mpt3sas_ctl_exit(ushort hbas_to_enumerate) |
f92363d1 SR |
3520 | { |
3521 | struct MPT3SAS_ADAPTER *ioc; | |
3522 | int i; | |
3523 | ||
3524 | list_for_each_entry(ioc, &mpt3sas_ioc_list, list) { | |
3525 | ||
3526 | /* free memory associated to diag buffers */ | |
3527 | for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { | |
3528 | if (!ioc->diag_buffer[i]) | |
3529 | continue; | |
3530 | if (!(ioc->diag_buffer_status[i] & | |
3531 | MPT3_DIAG_BUFFER_IS_REGISTERED)) | |
3532 | continue; | |
3533 | if ((ioc->diag_buffer_status[i] & | |
3534 | MPT3_DIAG_BUFFER_IS_RELEASED)) | |
3535 | continue; | |
3536 | pci_free_consistent(ioc->pdev, ioc->diag_buffer_sz[i], | |
3537 | ioc->diag_buffer[i], ioc->diag_buffer_dma[i]); | |
3538 | ioc->diag_buffer[i] = NULL; | |
3539 | ioc->diag_buffer_status[i] = 0; | |
3540 | } | |
3541 | ||
3542 | kfree(ioc->event_log); | |
3543 | } | |
c84b06a4 SR |
3544 | if (hbas_to_enumerate != 1) |
3545 | misc_deregister(&ctl_dev); | |
3546 | if (hbas_to_enumerate != 2) | |
3547 | misc_deregister(&gen2_ctl_dev); | |
f92363d1 | 3548 | } |