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635374e7 EM |
1 | /* |
2 | * Management Module Support for MPT (Message Passing Technology) based | |
3 | * controllers | |
4 | * | |
5 | * This code is based on drivers/scsi/mpt2sas/mpt2_ctl.c | |
e9edbe31 | 6 | * Copyright (C) 2007-2014 LSI Corporation |
a03bd153 SR |
7 | * Copyright (C) 20013-2014 Avago Technologies |
8 | * (mailto: MPT-FusionLinux.pdl@avagotech.com) | |
635374e7 EM |
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 | ||
635374e7 EM |
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> | |
c45d15d2 | 54 | #include <linux/mutex.h> |
635374e7 EM |
55 | #include <linux/compat.h> |
56 | #include <linux/poll.h> | |
57 | ||
58 | #include <linux/io.h> | |
59 | #include <linux/uaccess.h> | |
60 | ||
61 | #include "mpt2sas_base.h" | |
62 | #include "mpt2sas_ctl.h" | |
63 | ||
c45d15d2 | 64 | static DEFINE_MUTEX(_ctl_mutex); |
635374e7 EM |
65 | static struct fasync_struct *async_queue; |
66 | static DECLARE_WAIT_QUEUE_HEAD(ctl_poll_wait); | |
67 | ||
99bb214b EM |
68 | static int _ctl_send_release(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type, |
69 | u8 *issue_reset); | |
70 | ||
635374e7 EM |
71 | /** |
72 | * enum block_state - blocking state | |
73 | * @NON_BLOCKING: non blocking | |
74 | * @BLOCKING: blocking | |
75 | * | |
76 | * These states are for ioctls that need to wait for a response | |
77 | * from firmware, so they probably require sleep. | |
78 | */ | |
79 | enum block_state { | |
80 | NON_BLOCKING, | |
81 | BLOCKING, | |
82 | }; | |
83 | ||
363fa50f | 84 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
7fbae67a KD |
85 | /** |
86 | * _ctl_sas_device_find_by_handle - sas device search | |
87 | * @ioc: per adapter object | |
88 | * @handle: sas device handle (assigned by firmware) | |
89 | * Context: Calling function should acquire ioc->sas_device_lock | |
90 | * | |
91 | * This searches for sas_device based on sas_address, then return sas_device | |
92 | * object. | |
93 | */ | |
94 | static struct _sas_device * | |
95 | _ctl_sas_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
96 | { | |
97 | struct _sas_device *sas_device, *r; | |
98 | ||
99 | r = NULL; | |
100 | list_for_each_entry(sas_device, &ioc->sas_device_list, list) { | |
101 | if (sas_device->handle != handle) | |
102 | continue; | |
103 | r = sas_device; | |
104 | goto out; | |
105 | } | |
106 | ||
107 | out: | |
108 | return r; | |
109 | } | |
110 | ||
635374e7 EM |
111 | /** |
112 | * _ctl_display_some_debug - debug routine | |
113 | * @ioc: per adapter object | |
114 | * @smid: system request message index | |
115 | * @calling_function_name: string pass from calling function | |
116 | * @mpi_reply: reply message frame | |
117 | * Context: none. | |
118 | * | |
25985edc | 119 | * Function for displaying debug info helpful when debugging issues |
635374e7 EM |
120 | * in this module. |
121 | */ | |
122 | static void | |
123 | _ctl_display_some_debug(struct MPT2SAS_ADAPTER *ioc, u16 smid, | |
124 | char *calling_function_name, MPI2DefaultReply_t *mpi_reply) | |
125 | { | |
126 | Mpi2ConfigRequest_t *mpi_request; | |
127 | char *desc = NULL; | |
128 | ||
129 | if (!(ioc->logging_level & MPT_DEBUG_IOCTL)) | |
130 | return; | |
131 | ||
132 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
133 | switch (mpi_request->Function) { | |
134 | case MPI2_FUNCTION_SCSI_IO_REQUEST: | |
135 | { | |
136 | Mpi2SCSIIORequest_t *scsi_request = | |
137 | (Mpi2SCSIIORequest_t *)mpi_request; | |
138 | ||
139 | snprintf(ioc->tmp_string, MPT_STRING_LENGTH, | |
140 | "scsi_io, cmd(0x%02x), cdb_len(%d)", | |
141 | scsi_request->CDB.CDB32[0], | |
142 | le16_to_cpu(scsi_request->IoFlags) & 0xF); | |
143 | desc = ioc->tmp_string; | |
144 | break; | |
145 | } | |
146 | case MPI2_FUNCTION_SCSI_TASK_MGMT: | |
147 | desc = "task_mgmt"; | |
148 | break; | |
149 | case MPI2_FUNCTION_IOC_INIT: | |
150 | desc = "ioc_init"; | |
151 | break; | |
152 | case MPI2_FUNCTION_IOC_FACTS: | |
153 | desc = "ioc_facts"; | |
154 | break; | |
155 | case MPI2_FUNCTION_CONFIG: | |
156 | { | |
157 | Mpi2ConfigRequest_t *config_request = | |
158 | (Mpi2ConfigRequest_t *)mpi_request; | |
159 | ||
160 | snprintf(ioc->tmp_string, MPT_STRING_LENGTH, | |
161 | "config, type(0x%02x), ext_type(0x%02x), number(%d)", | |
162 | (config_request->Header.PageType & | |
163 | MPI2_CONFIG_PAGETYPE_MASK), config_request->ExtPageType, | |
164 | config_request->Header.PageNumber); | |
165 | desc = ioc->tmp_string; | |
166 | break; | |
167 | } | |
168 | case MPI2_FUNCTION_PORT_FACTS: | |
169 | desc = "port_facts"; | |
170 | break; | |
171 | case MPI2_FUNCTION_PORT_ENABLE: | |
172 | desc = "port_enable"; | |
173 | break; | |
174 | case MPI2_FUNCTION_EVENT_NOTIFICATION: | |
175 | desc = "event_notification"; | |
176 | break; | |
177 | case MPI2_FUNCTION_FW_DOWNLOAD: | |
178 | desc = "fw_download"; | |
179 | break; | |
180 | case MPI2_FUNCTION_FW_UPLOAD: | |
181 | desc = "fw_upload"; | |
182 | break; | |
183 | case MPI2_FUNCTION_RAID_ACTION: | |
184 | desc = "raid_action"; | |
185 | break; | |
186 | case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: | |
187 | { | |
188 | Mpi2SCSIIORequest_t *scsi_request = | |
189 | (Mpi2SCSIIORequest_t *)mpi_request; | |
190 | ||
191 | snprintf(ioc->tmp_string, MPT_STRING_LENGTH, | |
192 | "raid_pass, cmd(0x%02x), cdb_len(%d)", | |
193 | scsi_request->CDB.CDB32[0], | |
194 | le16_to_cpu(scsi_request->IoFlags) & 0xF); | |
195 | desc = ioc->tmp_string; | |
196 | break; | |
197 | } | |
198 | case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL: | |
199 | desc = "sas_iounit_cntl"; | |
200 | break; | |
201 | case MPI2_FUNCTION_SATA_PASSTHROUGH: | |
202 | desc = "sata_pass"; | |
203 | break; | |
204 | case MPI2_FUNCTION_DIAG_BUFFER_POST: | |
205 | desc = "diag_buffer_post"; | |
206 | break; | |
207 | case MPI2_FUNCTION_DIAG_RELEASE: | |
208 | desc = "diag_release"; | |
209 | break; | |
210 | case MPI2_FUNCTION_SMP_PASSTHROUGH: | |
211 | desc = "smp_passthrough"; | |
212 | break; | |
213 | } | |
214 | ||
215 | if (!desc) | |
216 | return; | |
217 | ||
eabb08ad | 218 | printk(MPT2SAS_INFO_FMT "%s: %s, smid(%d)\n", |
635374e7 EM |
219 | ioc->name, calling_function_name, desc, smid); |
220 | ||
221 | if (!mpi_reply) | |
222 | return; | |
223 | ||
224 | if (mpi_reply->IOCStatus || mpi_reply->IOCLogInfo) | |
eabb08ad | 225 | printk(MPT2SAS_INFO_FMT |
635374e7 EM |
226 | "\tiocstatus(0x%04x), loginfo(0x%08x)\n", |
227 | ioc->name, le16_to_cpu(mpi_reply->IOCStatus), | |
228 | le32_to_cpu(mpi_reply->IOCLogInfo)); | |
229 | ||
230 | if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || | |
231 | mpi_request->Function == | |
232 | MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) { | |
233 | Mpi2SCSIIOReply_t *scsi_reply = | |
234 | (Mpi2SCSIIOReply_t *)mpi_reply; | |
7fbae67a KD |
235 | struct _sas_device *sas_device = NULL; |
236 | unsigned long flags; | |
237 | ||
238 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
239 | sas_device = _ctl_sas_device_find_by_handle(ioc, | |
240 | le16_to_cpu(scsi_reply->DevHandle)); | |
241 | if (sas_device) { | |
242 | printk(MPT2SAS_WARN_FMT "\tsas_address(0x%016llx), " | |
243 | "phy(%d)\n", ioc->name, (unsigned long long) | |
244 | sas_device->sas_address, sas_device->phy); | |
245 | printk(MPT2SAS_WARN_FMT | |
246 | "\tenclosure_logical_id(0x%016llx), slot(%d)\n", | |
247 | ioc->name, sas_device->enclosure_logical_id, | |
248 | sas_device->slot); | |
249 | } | |
250 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
635374e7 | 251 | if (scsi_reply->SCSIState || scsi_reply->SCSIStatus) |
eabb08ad | 252 | printk(MPT2SAS_INFO_FMT |
635374e7 EM |
253 | "\tscsi_state(0x%02x), scsi_status" |
254 | "(0x%02x)\n", ioc->name, | |
255 | scsi_reply->SCSIState, | |
256 | scsi_reply->SCSIStatus); | |
257 | } | |
258 | } | |
259 | #endif | |
260 | ||
261 | /** | |
262 | * mpt2sas_ctl_done - ctl module completion routine | |
263 | * @ioc: per adapter object | |
264 | * @smid: system request message index | |
7b936b02 | 265 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
266 | * @reply: reply message frame(lower 32bit addr) |
267 | * Context: none. | |
268 | * | |
269 | * The callback handler when using ioc->ctl_cb_idx. | |
270 | * | |
77e63ed4 KD |
271 | * Return 1 meaning mf should be freed from _base_interrupt |
272 | * 0 means the mf is freed from this function. | |
635374e7 | 273 | */ |
77e63ed4 | 274 | u8 |
7b936b02 KD |
275 | mpt2sas_ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, |
276 | u32 reply) | |
635374e7 EM |
277 | { |
278 | MPI2DefaultReply_t *mpi_reply; | |
769578ff KD |
279 | Mpi2SCSIIOReply_t *scsiio_reply; |
280 | const void *sense_data; | |
281 | u32 sz; | |
635374e7 EM |
282 | |
283 | if (ioc->ctl_cmds.status == MPT2_CMD_NOT_USED) | |
77e63ed4 | 284 | return 1; |
635374e7 | 285 | if (ioc->ctl_cmds.smid != smid) |
77e63ed4 | 286 | return 1; |
635374e7 EM |
287 | ioc->ctl_cmds.status |= MPT2_CMD_COMPLETE; |
288 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
289 | if (mpi_reply) { | |
290 | memcpy(ioc->ctl_cmds.reply, mpi_reply, mpi_reply->MsgLength*4); | |
291 | ioc->ctl_cmds.status |= MPT2_CMD_REPLY_VALID; | |
769578ff KD |
292 | /* get sense data */ |
293 | if (mpi_reply->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || | |
294 | mpi_reply->Function == | |
295 | MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) { | |
296 | scsiio_reply = (Mpi2SCSIIOReply_t *)mpi_reply; | |
297 | if (scsiio_reply->SCSIState & | |
298 | MPI2_SCSI_STATE_AUTOSENSE_VALID) { | |
299 | sz = min_t(u32, SCSI_SENSE_BUFFERSIZE, | |
300 | le32_to_cpu(scsiio_reply->SenseCount)); | |
301 | sense_data = mpt2sas_base_get_sense_buffer(ioc, | |
302 | smid); | |
303 | memcpy(ioc->ctl_cmds.sense, sense_data, sz); | |
304 | } | |
305 | } | |
635374e7 EM |
306 | } |
307 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
308 | _ctl_display_some_debug(ioc, smid, "ctl_done", mpi_reply); | |
309 | #endif | |
310 | ioc->ctl_cmds.status &= ~MPT2_CMD_PENDING; | |
311 | complete(&ioc->ctl_cmds.done); | |
77e63ed4 | 312 | return 1; |
635374e7 EM |
313 | } |
314 | ||
315 | /** | |
316 | * _ctl_check_event_type - determines when an event needs logging | |
317 | * @ioc: per adapter object | |
318 | * @event: firmware event | |
319 | * | |
320 | * The bitmask in ioc->event_type[] indicates which events should be | |
321 | * be saved in the driver event_log. This bitmask is set by application. | |
322 | * | |
323 | * Returns 1 when event should be captured, or zero means no match. | |
324 | */ | |
325 | static int | |
326 | _ctl_check_event_type(struct MPT2SAS_ADAPTER *ioc, u16 event) | |
327 | { | |
328 | u16 i; | |
329 | u32 desired_event; | |
330 | ||
331 | if (event >= 128 || !event || !ioc->event_log) | |
332 | return 0; | |
333 | ||
334 | desired_event = (1 << (event % 32)); | |
335 | if (!desired_event) | |
336 | desired_event = 1; | |
337 | i = event / 32; | |
338 | return desired_event & ioc->event_type[i]; | |
339 | } | |
340 | ||
341 | /** | |
342 | * mpt2sas_ctl_add_to_event_log - add event | |
343 | * @ioc: per adapter object | |
344 | * @mpi_reply: reply message frame | |
345 | * | |
346 | * Return nothing. | |
347 | */ | |
348 | void | |
349 | mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc, | |
350 | Mpi2EventNotificationReply_t *mpi_reply) | |
351 | { | |
352 | struct MPT2_IOCTL_EVENTS *event_log; | |
353 | u16 event; | |
354 | int i; | |
355 | u32 sz, event_data_sz; | |
356 | u8 send_aen = 0; | |
357 | ||
358 | if (!ioc->event_log) | |
359 | return; | |
360 | ||
361 | event = le16_to_cpu(mpi_reply->Event); | |
362 | ||
363 | if (_ctl_check_event_type(ioc, event)) { | |
364 | ||
365 | /* insert entry into circular event_log */ | |
366 | i = ioc->event_context % MPT2SAS_CTL_EVENT_LOG_SIZE; | |
367 | event_log = ioc->event_log; | |
368 | event_log[i].event = event; | |
369 | event_log[i].context = ioc->event_context++; | |
370 | ||
371 | event_data_sz = le16_to_cpu(mpi_reply->EventDataLength)*4; | |
372 | sz = min_t(u32, event_data_sz, MPT2_EVENT_DATA_SIZE); | |
373 | memset(event_log[i].data, 0, MPT2_EVENT_DATA_SIZE); | |
374 | memcpy(event_log[i].data, mpi_reply->EventData, sz); | |
375 | send_aen = 1; | |
376 | } | |
377 | ||
378 | /* This aen_event_read_flag flag is set until the | |
379 | * application has read the event log. | |
380 | * For MPI2_EVENT_LOG_ENTRY_ADDED, we always notify. | |
381 | */ | |
382 | if (event == MPI2_EVENT_LOG_ENTRY_ADDED || | |
383 | (send_aen && !ioc->aen_event_read_flag)) { | |
384 | ioc->aen_event_read_flag = 1; | |
385 | wake_up_interruptible(&ctl_poll_wait); | |
386 | if (async_queue) | |
387 | kill_fasync(&async_queue, SIGIO, POLL_IN); | |
388 | } | |
389 | } | |
390 | ||
391 | /** | |
392 | * mpt2sas_ctl_event_callback - firmware event handler (called at ISR time) | |
393 | * @ioc: per adapter object | |
7b936b02 | 394 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
395 | * @reply: reply message frame(lower 32bit addr) |
396 | * Context: interrupt. | |
397 | * | |
398 | * This function merely adds a new work task into ioc->firmware_event_thread. | |
399 | * The tasks are worked from _firmware_event_work in user context. | |
400 | * | |
6409a7d0 | 401 | * Returns void. |
635374e7 | 402 | */ |
6409a7d0 | 403 | void |
7b936b02 KD |
404 | mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, |
405 | u32 reply) | |
635374e7 EM |
406 | { |
407 | Mpi2EventNotificationReply_t *mpi_reply; | |
408 | ||
409 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
6409a7d0 SR |
410 | if (unlikely(!mpi_reply)) { |
411 | printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n", | |
412 | ioc->name, __FILE__, __LINE__, __func__); | |
413 | return; | |
414 | } | |
635374e7 | 415 | mpt2sas_ctl_add_to_event_log(ioc, mpi_reply); |
6409a7d0 | 416 | return; |
635374e7 EM |
417 | } |
418 | ||
419 | /** | |
420 | * _ctl_verify_adapter - validates ioc_number passed from application | |
421 | * @ioc: per adapter object | |
422 | * @iocpp: The ioc pointer is returned in this. | |
423 | * | |
424 | * Return (-1) means error, else ioc_number. | |
425 | */ | |
426 | static int | |
427 | _ctl_verify_adapter(int ioc_number, struct MPT2SAS_ADAPTER **iocpp) | |
428 | { | |
429 | struct MPT2SAS_ADAPTER *ioc; | |
430 | ||
ba33fadf | 431 | list_for_each_entry(ioc, &mpt2sas_ioc_list, list) { |
635374e7 EM |
432 | if (ioc->id != ioc_number) |
433 | continue; | |
434 | *iocpp = ioc; | |
435 | return ioc_number; | |
436 | } | |
437 | *iocpp = NULL; | |
438 | return -1; | |
439 | } | |
440 | ||
441 | /** | |
442 | * mpt2sas_ctl_reset_handler - reset callback handler (for ctl) | |
443 | * @ioc: per adapter object | |
444 | * @reset_phase: phase | |
445 | * | |
446 | * The handler for doing any required cleanup or initialization. | |
447 | * | |
448 | * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET, | |
449 | * MPT2_IOC_DONE_RESET | |
450 | */ | |
451 | void | |
452 | mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) | |
453 | { | |
99bb214b EM |
454 | int i; |
455 | u8 issue_reset; | |
456 | ||
635374e7 EM |
457 | switch (reset_phase) { |
458 | case MPT2_IOC_PRE_RESET: | |
eabb08ad | 459 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
635374e7 | 460 | "MPT2_IOC_PRE_RESET\n", ioc->name, __func__)); |
99bb214b EM |
461 | for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { |
462 | if (!(ioc->diag_buffer_status[i] & | |
463 | MPT2_DIAG_BUFFER_IS_REGISTERED)) | |
464 | continue; | |
465 | if ((ioc->diag_buffer_status[i] & | |
466 | MPT2_DIAG_BUFFER_IS_RELEASED)) | |
467 | continue; | |
468 | _ctl_send_release(ioc, i, &issue_reset); | |
469 | } | |
635374e7 EM |
470 | break; |
471 | case MPT2_IOC_AFTER_RESET: | |
eabb08ad | 472 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
635374e7 EM |
473 | "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__)); |
474 | if (ioc->ctl_cmds.status & MPT2_CMD_PENDING) { | |
475 | ioc->ctl_cmds.status |= MPT2_CMD_RESET; | |
476 | mpt2sas_base_free_smid(ioc, ioc->ctl_cmds.smid); | |
477 | complete(&ioc->ctl_cmds.done); | |
478 | } | |
479 | break; | |
480 | case MPT2_IOC_DONE_RESET: | |
eabb08ad | 481 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
635374e7 | 482 | "MPT2_IOC_DONE_RESET\n", ioc->name, __func__)); |
99bb214b EM |
483 | |
484 | for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { | |
485 | if (!(ioc->diag_buffer_status[i] & | |
486 | MPT2_DIAG_BUFFER_IS_REGISTERED)) | |
487 | continue; | |
488 | if ((ioc->diag_buffer_status[i] & | |
489 | MPT2_DIAG_BUFFER_IS_RELEASED)) | |
490 | continue; | |
491 | ioc->diag_buffer_status[i] |= | |
492 | MPT2_DIAG_BUFFER_IS_DIAG_RESET; | |
493 | } | |
635374e7 EM |
494 | break; |
495 | } | |
496 | } | |
497 | ||
498 | /** | |
499 | * _ctl_fasync - | |
500 | * @fd - | |
501 | * @filep - | |
502 | * @mode - | |
503 | * | |
504 | * Called when application request fasyn callback handler. | |
505 | */ | |
506 | static int | |
507 | _ctl_fasync(int fd, struct file *filep, int mode) | |
508 | { | |
509 | return fasync_helper(fd, filep, mode, &async_queue); | |
510 | } | |
511 | ||
635374e7 EM |
512 | /** |
513 | * _ctl_poll - | |
514 | * @file - | |
515 | * @wait - | |
516 | * | |
517 | */ | |
518 | static unsigned int | |
519 | _ctl_poll(struct file *filep, poll_table *wait) | |
520 | { | |
521 | struct MPT2SAS_ADAPTER *ioc; | |
522 | ||
523 | poll_wait(filep, &ctl_poll_wait, wait); | |
524 | ||
ba33fadf | 525 | list_for_each_entry(ioc, &mpt2sas_ioc_list, list) { |
635374e7 EM |
526 | if (ioc->aen_event_read_flag) |
527 | return POLLIN | POLLRDNORM; | |
528 | } | |
529 | return 0; | |
530 | } | |
531 | ||
532 | /** | |
ddf59a35 | 533 | * _ctl_set_task_mid - assign an active smid to tm request |
635374e7 EM |
534 | * @ioc: per adapter object |
535 | * @karg - (struct mpt2_ioctl_command) | |
536 | * @tm_request - pointer to mf from user space | |
537 | * | |
538 | * Returns 0 when an smid if found, else fail. | |
539 | * during failure, the reply frame is filled. | |
540 | */ | |
541 | static int | |
ddf59a35 | 542 | _ctl_set_task_mid(struct MPT2SAS_ADAPTER *ioc, struct mpt2_ioctl_command *karg, |
635374e7 EM |
543 | Mpi2SCSITaskManagementRequest_t *tm_request) |
544 | { | |
545 | u8 found = 0; | |
546 | u16 i; | |
547 | u16 handle; | |
548 | struct scsi_cmnd *scmd; | |
549 | struct MPT2SAS_DEVICE *priv_data; | |
550 | unsigned long flags; | |
551 | Mpi2SCSITaskManagementReply_t *tm_reply; | |
552 | u32 sz; | |
553 | u32 lun; | |
ddf59a35 EM |
554 | char *desc = NULL; |
555 | ||
556 | if (tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK) | |
557 | desc = "abort_task"; | |
558 | else if (tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK) | |
559 | desc = "query_task"; | |
560 | else | |
561 | return 0; | |
635374e7 EM |
562 | |
563 | lun = scsilun_to_int((struct scsi_lun *)tm_request->LUN); | |
564 | ||
565 | handle = le16_to_cpu(tm_request->DevHandle); | |
566 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
595bb0bd | 567 | for (i = ioc->scsiio_depth; i && !found; i--) { |
635374e7 EM |
568 | scmd = ioc->scsi_lookup[i - 1].scmd; |
569 | if (scmd == NULL || scmd->device == NULL || | |
570 | scmd->device->hostdata == NULL) | |
571 | continue; | |
572 | if (lun != scmd->device->lun) | |
573 | continue; | |
574 | priv_data = scmd->device->hostdata; | |
575 | if (priv_data->sas_target == NULL) | |
576 | continue; | |
577 | if (priv_data->sas_target->handle != handle) | |
578 | continue; | |
579 | tm_request->TaskMID = cpu_to_le16(ioc->scsi_lookup[i - 1].smid); | |
580 | found = 1; | |
581 | } | |
582 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
583 | ||
584 | if (!found) { | |
eabb08ad | 585 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
ddf59a35 | 586 | "handle(0x%04x), lun(%d), no active mid!!\n", ioc->name, |
e94f6747 | 587 | desc, le16_to_cpu(tm_request->DevHandle), lun)); |
635374e7 EM |
588 | tm_reply = ioc->ctl_cmds.reply; |
589 | tm_reply->DevHandle = tm_request->DevHandle; | |
590 | tm_reply->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; | |
ddf59a35 | 591 | tm_reply->TaskType = tm_request->TaskType; |
635374e7 EM |
592 | tm_reply->MsgLength = sizeof(Mpi2SCSITaskManagementReply_t)/4; |
593 | tm_reply->VP_ID = tm_request->VP_ID; | |
594 | tm_reply->VF_ID = tm_request->VF_ID; | |
595 | sz = min_t(u32, karg->max_reply_bytes, ioc->reply_sz); | |
596 | if (copy_to_user(karg->reply_frame_buf_ptr, ioc->ctl_cmds.reply, | |
597 | sz)) | |
598 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, | |
599 | __LINE__, __func__); | |
600 | return 1; | |
601 | } | |
602 | ||
eabb08ad | 603 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
ddf59a35 | 604 | "handle(0x%04x), lun(%d), task_mid(%d)\n", ioc->name, |
e94f6747 KD |
605 | desc, le16_to_cpu(tm_request->DevHandle), lun, |
606 | le16_to_cpu(tm_request->TaskMID))); | |
635374e7 EM |
607 | return 0; |
608 | } | |
609 | ||
610 | /** | |
611 | * _ctl_do_mpt_command - main handler for MPT2COMMAND opcode | |
612 | * @ioc: per adapter object | |
613 | * @karg - (struct mpt2_ioctl_command) | |
614 | * @mf - pointer to mf in user space | |
635374e7 EM |
615 | */ |
616 | static long | |
913809f6 | 617 | _ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc, struct mpt2_ioctl_command karg, |
618 | void __user *mf) | |
635374e7 | 619 | { |
1bbfa378 | 620 | MPI2RequestHeader_t *mpi_request = NULL, *request; |
635374e7 EM |
621 | MPI2DefaultReply_t *mpi_reply; |
622 | u32 ioc_state; | |
623 | u16 ioc_status; | |
624 | u16 smid; | |
625 | unsigned long timeout, timeleft; | |
626 | u8 issue_reset; | |
627 | u32 sz; | |
628 | void *psge; | |
635374e7 EM |
629 | void *data_out = NULL; |
630 | dma_addr_t data_out_dma; | |
631 | size_t data_out_sz = 0; | |
632 | void *data_in = NULL; | |
633 | dma_addr_t data_in_dma; | |
634 | size_t data_in_sz = 0; | |
635 | u32 sgl_flags; | |
636 | long ret; | |
637 | u16 wait_state_count; | |
638 | ||
639 | issue_reset = 0; | |
640 | ||
635374e7 EM |
641 | if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) { |
642 | printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n", | |
643 | ioc->name, __func__); | |
644 | ret = -EAGAIN; | |
645 | goto out; | |
646 | } | |
647 | ||
648 | wait_state_count = 0; | |
649 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
650 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
651 | if (wait_state_count++ == 10) { | |
652 | printk(MPT2SAS_ERR_FMT | |
653 | "%s: failed due to ioc not operational\n", | |
654 | ioc->name, __func__); | |
655 | ret = -EFAULT; | |
656 | goto out; | |
657 | } | |
658 | ssleep(1); | |
659 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
660 | printk(MPT2SAS_INFO_FMT "%s: waiting for " | |
661 | "operational state(count=%d)\n", ioc->name, | |
662 | __func__, wait_state_count); | |
663 | } | |
664 | if (wait_state_count) | |
665 | printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n", | |
666 | ioc->name, __func__); | |
667 | ||
1bbfa378 KD |
668 | mpi_request = kzalloc(ioc->request_sz, GFP_KERNEL); |
669 | if (!mpi_request) { | |
670 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a memory for " | |
671 | "mpi_request\n", ioc->name, __func__); | |
672 | ret = -ENOMEM; | |
635374e7 EM |
673 | goto out; |
674 | } | |
675 | ||
a1f74ae8 DR |
676 | /* Check for overflow and wraparound */ |
677 | if (karg.data_sge_offset * 4 > ioc->request_sz || | |
678 | karg.data_sge_offset > (UINT_MAX / 4)) { | |
679 | ret = -EINVAL; | |
680 | goto out; | |
681 | } | |
682 | ||
635374e7 EM |
683 | /* copy in request message frame from user */ |
684 | if (copy_from_user(mpi_request, mf, karg.data_sge_offset*4)) { | |
685 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, __LINE__, | |
686 | __func__); | |
687 | ret = -EFAULT; | |
635374e7 EM |
688 | goto out; |
689 | } | |
690 | ||
1bbfa378 KD |
691 | if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) { |
692 | smid = mpt2sas_base_get_smid_hpr(ioc, ioc->ctl_cb_idx); | |
693 | if (!smid) { | |
694 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
695 | ioc->name, __func__); | |
696 | ret = -EAGAIN; | |
697 | goto out; | |
698 | } | |
699 | } else { | |
700 | ||
701 | smid = mpt2sas_base_get_smid_scsiio(ioc, ioc->ctl_cb_idx, NULL); | |
702 | if (!smid) { | |
703 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
704 | ioc->name, __func__); | |
705 | ret = -EAGAIN; | |
706 | goto out; | |
707 | } | |
708 | } | |
709 | ||
710 | ret = 0; | |
711 | ioc->ctl_cmds.status = MPT2_CMD_PENDING; | |
712 | memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); | |
713 | request = mpt2sas_base_get_msg_frame(ioc, smid); | |
714 | memcpy(request, mpi_request, karg.data_sge_offset*4); | |
715 | ioc->ctl_cmds.smid = smid; | |
716 | data_out_sz = karg.data_out_size; | |
717 | data_in_sz = karg.data_in_size; | |
718 | ||
635374e7 EM |
719 | if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || |
720 | mpi_request->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) { | |
e94f6747 KD |
721 | if (!le16_to_cpu(mpi_request->FunctionDependent1) || |
722 | le16_to_cpu(mpi_request->FunctionDependent1) > | |
723 | ioc->facts.MaxDevHandle) { | |
635374e7 EM |
724 | ret = -EINVAL; |
725 | mpt2sas_base_free_smid(ioc, smid); | |
726 | goto out; | |
727 | } | |
728 | } | |
729 | ||
730 | /* obtain dma-able memory for data transfer */ | |
731 | if (data_out_sz) /* WRITE */ { | |
732 | data_out = pci_alloc_consistent(ioc->pdev, data_out_sz, | |
733 | &data_out_dma); | |
734 | if (!data_out) { | |
735 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, | |
736 | __LINE__, __func__); | |
737 | ret = -ENOMEM; | |
738 | mpt2sas_base_free_smid(ioc, smid); | |
739 | goto out; | |
740 | } | |
741 | if (copy_from_user(data_out, karg.data_out_buf_ptr, | |
742 | data_out_sz)) { | |
743 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, | |
744 | __LINE__, __func__); | |
745 | ret = -EFAULT; | |
746 | mpt2sas_base_free_smid(ioc, smid); | |
747 | goto out; | |
748 | } | |
749 | } | |
750 | ||
751 | if (data_in_sz) /* READ */ { | |
752 | data_in = pci_alloc_consistent(ioc->pdev, data_in_sz, | |
753 | &data_in_dma); | |
754 | if (!data_in) { | |
755 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, | |
756 | __LINE__, __func__); | |
757 | ret = -ENOMEM; | |
758 | mpt2sas_base_free_smid(ioc, smid); | |
759 | goto out; | |
760 | } | |
761 | } | |
762 | ||
763 | /* add scatter gather elements */ | |
1bbfa378 | 764 | psge = (void *)request + (karg.data_sge_offset*4); |
635374e7 EM |
765 | |
766 | if (!data_out_sz && !data_in_sz) { | |
767 | mpt2sas_base_build_zero_len_sge(ioc, psge); | |
768 | } else if (data_out_sz && data_in_sz) { | |
769 | /* WRITE sgel first */ | |
770 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
771 | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC); | |
772 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
773 | ioc->base_add_sg_single(psge, sgl_flags | | |
774 | data_out_sz, data_out_dma); | |
775 | ||
776 | /* incr sgel */ | |
777 | psge += ioc->sge_size; | |
778 | ||
779 | /* READ sgel last */ | |
780 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
781 | MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | | |
782 | MPI2_SGE_FLAGS_END_OF_LIST); | |
783 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
784 | ioc->base_add_sg_single(psge, sgl_flags | | |
785 | data_in_sz, data_in_dma); | |
786 | } else if (data_out_sz) /* WRITE */ { | |
787 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
788 | MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | | |
789 | MPI2_SGE_FLAGS_END_OF_LIST | MPI2_SGE_FLAGS_HOST_TO_IOC); | |
790 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
791 | ioc->base_add_sg_single(psge, sgl_flags | | |
792 | data_out_sz, data_out_dma); | |
793 | } else if (data_in_sz) /* READ */ { | |
794 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
795 | MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | | |
796 | MPI2_SGE_FLAGS_END_OF_LIST); | |
797 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
798 | ioc->base_add_sg_single(psge, sgl_flags | | |
799 | data_in_sz, data_in_dma); | |
800 | } | |
801 | ||
802 | /* send command to firmware */ | |
803 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
804 | _ctl_display_some_debug(ioc, smid, "ctl_request", NULL); | |
805 | #endif | |
806 | ||
f01690d3 | 807 | init_completion(&ioc->ctl_cmds.done); |
635374e7 EM |
808 | switch (mpi_request->Function) { |
809 | case MPI2_FUNCTION_SCSI_IO_REQUEST: | |
810 | case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: | |
811 | { | |
812 | Mpi2SCSIIORequest_t *scsiio_request = | |
1bbfa378 | 813 | (Mpi2SCSIIORequest_t *)request; |
769578ff | 814 | scsiio_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE; |
635374e7 | 815 | scsiio_request->SenseBufferLowAddress = |
ec9472c7 | 816 | mpt2sas_base_get_sense_buffer_dma(ioc, smid); |
769578ff | 817 | memset(ioc->ctl_cmds.sense, 0, SCSI_SENSE_BUFFERSIZE); |
ebda4d38 KD |
818 | if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST) |
819 | mpt2sas_base_put_smid_scsi_io(ioc, smid, | |
820 | le16_to_cpu(mpi_request->FunctionDependent1)); | |
821 | else | |
822 | mpt2sas_base_put_smid_default(ioc, smid); | |
635374e7 EM |
823 | break; |
824 | } | |
825 | case MPI2_FUNCTION_SCSI_TASK_MGMT: | |
826 | { | |
827 | Mpi2SCSITaskManagementRequest_t *tm_request = | |
1bbfa378 | 828 | (Mpi2SCSITaskManagementRequest_t *)request; |
635374e7 | 829 | |
eabb08ad | 830 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "TASK_MGMT: " |
8ed9a03a KD |
831 | "handle(0x%04x), task_type(0x%02x)\n", ioc->name, |
832 | le16_to_cpu(tm_request->DevHandle), tm_request->TaskType)); | |
833 | ||
635374e7 | 834 | if (tm_request->TaskType == |
ddf59a35 EM |
835 | MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK || |
836 | tm_request->TaskType == | |
837 | MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK) { | |
838 | if (_ctl_set_task_mid(ioc, &karg, tm_request)) { | |
77bdd9ee | 839 | mpt2sas_base_free_smid(ioc, smid); |
635374e7 | 840 | goto out; |
77bdd9ee | 841 | } |
635374e7 EM |
842 | } |
843 | ||
635374e7 EM |
844 | mpt2sas_scsih_set_tm_flag(ioc, le16_to_cpu( |
845 | tm_request->DevHandle)); | |
7b936b02 | 846 | mpt2sas_base_put_smid_hi_priority(ioc, smid); |
635374e7 EM |
847 | break; |
848 | } | |
849 | case MPI2_FUNCTION_SMP_PASSTHROUGH: | |
850 | { | |
851 | Mpi2SmpPassthroughRequest_t *smp_request = | |
852 | (Mpi2SmpPassthroughRequest_t *)mpi_request; | |
853 | u8 *data; | |
854 | ||
855 | /* ioc determines which port to use */ | |
856 | smp_request->PhysicalPort = 0xFF; | |
857 | if (smp_request->PassthroughFlags & | |
858 | MPI2_SMP_PT_REQ_PT_FLAGS_IMMEDIATE) | |
859 | data = (u8 *)&smp_request->SGL; | |
298c794d | 860 | else { |
861 | if (unlikely(data_out == NULL)) { | |
862 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
863 | __FILE__, __LINE__, __func__); | |
864 | mpt2sas_base_free_smid(ioc, smid); | |
865 | ret = -EINVAL; | |
866 | goto out; | |
867 | } | |
635374e7 | 868 | data = data_out; |
298c794d | 869 | } |
635374e7 EM |
870 | |
871 | if (data[1] == 0x91 && (data[10] == 1 || data[10] == 2)) { | |
872 | ioc->ioc_link_reset_in_progress = 1; | |
873 | ioc->ignore_loginfos = 1; | |
874 | } | |
7b936b02 | 875 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
876 | break; |
877 | } | |
878 | case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL: | |
879 | { | |
880 | Mpi2SasIoUnitControlRequest_t *sasiounit_request = | |
881 | (Mpi2SasIoUnitControlRequest_t *)mpi_request; | |
882 | ||
883 | if (sasiounit_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET | |
884 | || sasiounit_request->Operation == | |
885 | MPI2_SAS_OP_PHY_LINK_RESET) { | |
886 | ioc->ioc_link_reset_in_progress = 1; | |
887 | ioc->ignore_loginfos = 1; | |
888 | } | |
7b936b02 | 889 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
890 | break; |
891 | } | |
892 | default: | |
7b936b02 | 893 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
894 | break; |
895 | } | |
896 | ||
897 | if (karg.timeout < MPT2_IOCTL_DEFAULT_TIMEOUT) | |
898 | timeout = MPT2_IOCTL_DEFAULT_TIMEOUT; | |
899 | else | |
900 | timeout = karg.timeout; | |
901 | timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, | |
902 | timeout*HZ); | |
903 | if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) { | |
904 | Mpi2SCSITaskManagementRequest_t *tm_request = | |
905 | (Mpi2SCSITaskManagementRequest_t *)mpi_request; | |
635374e7 EM |
906 | mpt2sas_scsih_clear_tm_flag(ioc, le16_to_cpu( |
907 | tm_request->DevHandle)); | |
908 | } else if ((mpi_request->Function == MPI2_FUNCTION_SMP_PASSTHROUGH || | |
909 | mpi_request->Function == MPI2_FUNCTION_SAS_IO_UNIT_CONTROL) && | |
910 | ioc->ioc_link_reset_in_progress) { | |
911 | ioc->ioc_link_reset_in_progress = 0; | |
912 | ioc->ignore_loginfos = 0; | |
913 | } | |
914 | if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) { | |
915 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name, | |
916 | __func__); | |
917 | _debug_dump_mf(mpi_request, karg.data_sge_offset); | |
918 | if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET)) | |
919 | issue_reset = 1; | |
920 | goto issue_host_reset; | |
921 | } | |
922 | ||
923 | mpi_reply = ioc->ctl_cmds.reply; | |
924 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; | |
925 | ||
926 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
927 | if (mpi_reply->Function == MPI2_FUNCTION_SCSI_TASK_MGMT && | |
928 | (ioc->logging_level & MPT_DEBUG_TM)) { | |
929 | Mpi2SCSITaskManagementReply_t *tm_reply = | |
930 | (Mpi2SCSITaskManagementReply_t *)mpi_reply; | |
931 | ||
eabb08ad | 932 | printk(MPT2SAS_INFO_FMT "TASK_MGMT: " |
635374e7 EM |
933 | "IOCStatus(0x%04x), IOCLogInfo(0x%08x), " |
934 | "TerminationCount(0x%08x)\n", ioc->name, | |
463217bf KD |
935 | le16_to_cpu(tm_reply->IOCStatus), |
936 | le32_to_cpu(tm_reply->IOCLogInfo), | |
937 | le32_to_cpu(tm_reply->TerminationCount)); | |
635374e7 EM |
938 | } |
939 | #endif | |
940 | /* copy out xdata to user */ | |
941 | if (data_in_sz) { | |
942 | if (copy_to_user(karg.data_in_buf_ptr, data_in, | |
943 | data_in_sz)) { | |
944 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, | |
945 | __LINE__, __func__); | |
946 | ret = -ENODATA; | |
947 | goto out; | |
948 | } | |
949 | } | |
950 | ||
951 | /* copy out reply message frame to user */ | |
952 | if (karg.max_reply_bytes) { | |
953 | sz = min_t(u32, karg.max_reply_bytes, ioc->reply_sz); | |
954 | if (copy_to_user(karg.reply_frame_buf_ptr, ioc->ctl_cmds.reply, | |
955 | sz)) { | |
956 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, | |
957 | __LINE__, __func__); | |
958 | ret = -ENODATA; | |
959 | goto out; | |
960 | } | |
961 | } | |
962 | ||
963 | /* copy out sense to user */ | |
964 | if (karg.max_sense_bytes && (mpi_request->Function == | |
965 | MPI2_FUNCTION_SCSI_IO_REQUEST || mpi_request->Function == | |
966 | MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) { | |
967 | sz = min_t(u32, karg.max_sense_bytes, SCSI_SENSE_BUFFERSIZE); | |
769578ff KD |
968 | if (copy_to_user(karg.sense_data_ptr, |
969 | ioc->ctl_cmds.sense, sz)) { | |
635374e7 EM |
970 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, |
971 | __LINE__, __func__); | |
972 | ret = -ENODATA; | |
973 | goto out; | |
974 | } | |
975 | } | |
976 | ||
977 | issue_host_reset: | |
978 | if (issue_reset) { | |
b2ff36ba | 979 | ret = -ENODATA; |
635374e7 EM |
980 | if ((mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || |
981 | mpi_request->Function == | |
acafc892 | 982 | MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH || |
983 | mpi_request->Function == MPI2_FUNCTION_SATA_PASSTHROUGH)) { | |
635374e7 EM |
984 | printk(MPT2SAS_INFO_FMT "issue target reset: handle " |
985 | "= (0x%04x)\n", ioc->name, | |
e94f6747 | 986 | le16_to_cpu(mpi_request->FunctionDependent1)); |
fa7f3167 | 987 | mpt2sas_halt_firmware(ioc); |
635374e7 | 988 | mpt2sas_scsih_issue_tm(ioc, |
8ed9a03a KD |
989 | le16_to_cpu(mpi_request->FunctionDependent1), 0, 0, |
990 | 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 10, | |
2e45c8b7 | 991 | TM_MUTEX_ON); |
635374e7 | 992 | ioc->tm_cmds.status = MPT2_CMD_NOT_USED; |
635374e7 EM |
993 | } else |
994 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
995 | FORCE_BIG_HAMMER); | |
996 | } | |
997 | ||
998 | out: | |
999 | ||
1000 | /* free memory associated with sg buffers */ | |
1001 | if (data_in) | |
1002 | pci_free_consistent(ioc->pdev, data_in_sz, data_in, | |
1003 | data_in_dma); | |
1004 | ||
1005 | if (data_out) | |
1006 | pci_free_consistent(ioc->pdev, data_out_sz, data_out, | |
1007 | data_out_dma); | |
1008 | ||
1bbfa378 | 1009 | kfree(mpi_request); |
635374e7 | 1010 | ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; |
635374e7 EM |
1011 | return ret; |
1012 | } | |
1013 | ||
1014 | /** | |
1015 | * _ctl_getiocinfo - main handler for MPT2IOCINFO opcode | |
913809f6 | 1016 | * @ioc: per adapter object |
635374e7 EM |
1017 | * @arg - user space buffer containing ioctl content |
1018 | */ | |
1019 | static long | |
913809f6 | 1020 | _ctl_getiocinfo(struct MPT2SAS_ADAPTER *ioc, void __user *arg) |
635374e7 EM |
1021 | { |
1022 | struct mpt2_ioctl_iocinfo karg; | |
635374e7 EM |
1023 | |
1024 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1025 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1026 | __FILE__, __LINE__, __func__); | |
1027 | return -EFAULT; | |
1028 | } | |
635374e7 | 1029 | |
eabb08ad | 1030 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, |
635374e7 EM |
1031 | __func__)); |
1032 | ||
1033 | memset(&karg, 0 , sizeof(karg)); | |
0bdccdb0 KD |
1034 | if (ioc->is_warpdrive) |
1035 | karg.adapter_type = MPT2_IOCTL_INTERFACE_SAS2_SSS6200; | |
1036 | else | |
1037 | karg.adapter_type = MPT2_IOCTL_INTERFACE_SAS2; | |
635374e7 EM |
1038 | if (ioc->pfacts) |
1039 | karg.port_number = ioc->pfacts[0].PortNumber; | |
7d7311c4 | 1040 | karg.hw_rev = ioc->pdev->revision; |
635374e7 EM |
1041 | karg.pci_id = ioc->pdev->device; |
1042 | karg.subsystem_device = ioc->pdev->subsystem_device; | |
1043 | karg.subsystem_vendor = ioc->pdev->subsystem_vendor; | |
1044 | karg.pci_information.u.bits.bus = ioc->pdev->bus->number; | |
1045 | karg.pci_information.u.bits.device = PCI_SLOT(ioc->pdev->devfn); | |
1046 | karg.pci_information.u.bits.function = PCI_FUNC(ioc->pdev->devfn); | |
1047 | karg.pci_information.segment_id = pci_domain_nr(ioc->pdev->bus); | |
1048 | karg.firmware_version = ioc->facts.FWVersion.Word; | |
e5f9bb19 EM |
1049 | strcpy(karg.driver_version, MPT2SAS_DRIVER_NAME); |
1050 | strcat(karg.driver_version, "-"); | |
1051 | strcat(karg.driver_version, MPT2SAS_DRIVER_VERSION); | |
635374e7 EM |
1052 | karg.bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion); |
1053 | ||
1054 | if (copy_to_user(arg, &karg, sizeof(karg))) { | |
1055 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1056 | __FILE__, __LINE__, __func__); | |
1057 | return -EFAULT; | |
1058 | } | |
1059 | return 0; | |
1060 | } | |
1061 | ||
1062 | /** | |
1063 | * _ctl_eventquery - main handler for MPT2EVENTQUERY opcode | |
913809f6 | 1064 | * @ioc: per adapter object |
635374e7 EM |
1065 | * @arg - user space buffer containing ioctl content |
1066 | */ | |
1067 | static long | |
913809f6 | 1068 | _ctl_eventquery(struct MPT2SAS_ADAPTER *ioc, void __user *arg) |
635374e7 EM |
1069 | { |
1070 | struct mpt2_ioctl_eventquery karg; | |
635374e7 EM |
1071 | |
1072 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1073 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1074 | __FILE__, __LINE__, __func__); | |
1075 | return -EFAULT; | |
1076 | } | |
635374e7 | 1077 | |
eabb08ad | 1078 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, |
635374e7 EM |
1079 | __func__)); |
1080 | ||
1081 | karg.event_entries = MPT2SAS_CTL_EVENT_LOG_SIZE; | |
1082 | memcpy(karg.event_types, ioc->event_type, | |
1083 | MPI2_EVENT_NOTIFY_EVENTMASK_WORDS * sizeof(u32)); | |
1084 | ||
1085 | if (copy_to_user(arg, &karg, sizeof(karg))) { | |
1086 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1087 | __FILE__, __LINE__, __func__); | |
1088 | return -EFAULT; | |
1089 | } | |
1090 | return 0; | |
1091 | } | |
1092 | ||
1093 | /** | |
1094 | * _ctl_eventenable - main handler for MPT2EVENTENABLE opcode | |
913809f6 | 1095 | * @ioc: per adapter object |
635374e7 EM |
1096 | * @arg - user space buffer containing ioctl content |
1097 | */ | |
1098 | static long | |
913809f6 | 1099 | _ctl_eventenable(struct MPT2SAS_ADAPTER *ioc, void __user *arg) |
635374e7 EM |
1100 | { |
1101 | struct mpt2_ioctl_eventenable karg; | |
635374e7 EM |
1102 | |
1103 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1104 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1105 | __FILE__, __LINE__, __func__); | |
1106 | return -EFAULT; | |
1107 | } | |
635374e7 | 1108 | |
eabb08ad | 1109 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, |
635374e7 EM |
1110 | __func__)); |
1111 | ||
1112 | if (ioc->event_log) | |
1113 | return 0; | |
1114 | memcpy(ioc->event_type, karg.event_types, | |
1115 | MPI2_EVENT_NOTIFY_EVENTMASK_WORDS * sizeof(u32)); | |
1116 | mpt2sas_base_validate_event_type(ioc, ioc->event_type); | |
1117 | ||
1118 | /* initialize event_log */ | |
1119 | ioc->event_context = 0; | |
1120 | ioc->aen_event_read_flag = 0; | |
1121 | ioc->event_log = kcalloc(MPT2SAS_CTL_EVENT_LOG_SIZE, | |
1122 | sizeof(struct MPT2_IOCTL_EVENTS), GFP_KERNEL); | |
1123 | if (!ioc->event_log) { | |
1124 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1125 | __FILE__, __LINE__, __func__); | |
1126 | return -ENOMEM; | |
1127 | } | |
1128 | return 0; | |
1129 | } | |
1130 | ||
1131 | /** | |
1132 | * _ctl_eventreport - main handler for MPT2EVENTREPORT opcode | |
913809f6 | 1133 | * @ioc: per adapter object |
635374e7 EM |
1134 | * @arg - user space buffer containing ioctl content |
1135 | */ | |
1136 | static long | |
913809f6 | 1137 | _ctl_eventreport(struct MPT2SAS_ADAPTER *ioc, void __user *arg) |
635374e7 EM |
1138 | { |
1139 | struct mpt2_ioctl_eventreport karg; | |
635374e7 EM |
1140 | u32 number_bytes, max_events, max; |
1141 | struct mpt2_ioctl_eventreport __user *uarg = arg; | |
1142 | ||
1143 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1144 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1145 | __FILE__, __LINE__, __func__); | |
1146 | return -EFAULT; | |
1147 | } | |
635374e7 | 1148 | |
eabb08ad | 1149 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, |
635374e7 EM |
1150 | __func__)); |
1151 | ||
1152 | number_bytes = karg.hdr.max_data_size - | |
1153 | sizeof(struct mpt2_ioctl_header); | |
1154 | max_events = number_bytes/sizeof(struct MPT2_IOCTL_EVENTS); | |
1155 | max = min_t(u32, MPT2SAS_CTL_EVENT_LOG_SIZE, max_events); | |
1156 | ||
1157 | /* If fewer than 1 event is requested, there must have | |
1158 | * been some type of error. | |
1159 | */ | |
1160 | if (!max || !ioc->event_log) | |
1161 | return -ENODATA; | |
1162 | ||
1163 | number_bytes = max * sizeof(struct MPT2_IOCTL_EVENTS); | |
1164 | if (copy_to_user(uarg->event_data, ioc->event_log, number_bytes)) { | |
1165 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1166 | __FILE__, __LINE__, __func__); | |
1167 | return -EFAULT; | |
1168 | } | |
1169 | ||
1170 | /* reset flag so SIGIO can restart */ | |
1171 | ioc->aen_event_read_flag = 0; | |
1172 | return 0; | |
1173 | } | |
1174 | ||
1175 | /** | |
1176 | * _ctl_do_reset - main handler for MPT2HARDRESET opcode | |
913809f6 | 1177 | * @ioc: per adapter object |
635374e7 EM |
1178 | * @arg - user space buffer containing ioctl content |
1179 | */ | |
1180 | static long | |
913809f6 | 1181 | _ctl_do_reset(struct MPT2SAS_ADAPTER *ioc, void __user *arg) |
635374e7 EM |
1182 | { |
1183 | struct mpt2_ioctl_diag_reset karg; | |
635374e7 EM |
1184 | int retval; |
1185 | ||
1186 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1187 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1188 | __FILE__, __LINE__, __func__); | |
1189 | return -EFAULT; | |
1190 | } | |
635374e7 | 1191 | |
921cd802 | 1192 | if (ioc->shost_recovery || ioc->pci_error_recovery || |
1193 | ioc->is_driver_loading) | |
1194 | return -EAGAIN; | |
eabb08ad | 1195 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, |
635374e7 EM |
1196 | __func__)); |
1197 | ||
1198 | retval = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
1199 | FORCE_BIG_HAMMER); | |
1200 | printk(MPT2SAS_INFO_FMT "host reset: %s\n", | |
1201 | ioc->name, ((!retval) ? "SUCCESS" : "FAILED")); | |
1202 | return 0; | |
1203 | } | |
1204 | ||
1205 | /** | |
1206 | * _ctl_btdh_search_sas_device - searching for sas device | |
1207 | * @ioc: per adapter object | |
1208 | * @btdh: btdh ioctl payload | |
1209 | */ | |
1210 | static int | |
1211 | _ctl_btdh_search_sas_device(struct MPT2SAS_ADAPTER *ioc, | |
1212 | struct mpt2_ioctl_btdh_mapping *btdh) | |
1213 | { | |
1214 | struct _sas_device *sas_device; | |
1215 | unsigned long flags; | |
1216 | int rc = 0; | |
1217 | ||
1218 | if (list_empty(&ioc->sas_device_list)) | |
1219 | return rc; | |
1220 | ||
1221 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
1222 | list_for_each_entry(sas_device, &ioc->sas_device_list, list) { | |
1223 | if (btdh->bus == 0xFFFFFFFF && btdh->id == 0xFFFFFFFF && | |
1224 | btdh->handle == sas_device->handle) { | |
1225 | btdh->bus = sas_device->channel; | |
1226 | btdh->id = sas_device->id; | |
1227 | rc = 1; | |
1228 | goto out; | |
1229 | } else if (btdh->bus == sas_device->channel && btdh->id == | |
1230 | sas_device->id && btdh->handle == 0xFFFF) { | |
1231 | btdh->handle = sas_device->handle; | |
1232 | rc = 1; | |
1233 | goto out; | |
1234 | } | |
1235 | } | |
1236 | out: | |
1237 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
1238 | return rc; | |
1239 | } | |
1240 | ||
1241 | /** | |
1242 | * _ctl_btdh_search_raid_device - searching for raid device | |
1243 | * @ioc: per adapter object | |
1244 | * @btdh: btdh ioctl payload | |
1245 | */ | |
1246 | static int | |
1247 | _ctl_btdh_search_raid_device(struct MPT2SAS_ADAPTER *ioc, | |
1248 | struct mpt2_ioctl_btdh_mapping *btdh) | |
1249 | { | |
1250 | struct _raid_device *raid_device; | |
1251 | unsigned long flags; | |
1252 | int rc = 0; | |
1253 | ||
1254 | if (list_empty(&ioc->raid_device_list)) | |
1255 | return rc; | |
1256 | ||
1257 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1258 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { | |
1259 | if (btdh->bus == 0xFFFFFFFF && btdh->id == 0xFFFFFFFF && | |
1260 | btdh->handle == raid_device->handle) { | |
1261 | btdh->bus = raid_device->channel; | |
1262 | btdh->id = raid_device->id; | |
1263 | rc = 1; | |
1264 | goto out; | |
1265 | } else if (btdh->bus == raid_device->channel && btdh->id == | |
1266 | raid_device->id && btdh->handle == 0xFFFF) { | |
1267 | btdh->handle = raid_device->handle; | |
1268 | rc = 1; | |
1269 | goto out; | |
1270 | } | |
1271 | } | |
1272 | out: | |
1273 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
1274 | return rc; | |
1275 | } | |
1276 | ||
1277 | /** | |
1278 | * _ctl_btdh_mapping - main handler for MPT2BTDHMAPPING opcode | |
913809f6 | 1279 | * @ioc: per adapter object |
635374e7 EM |
1280 | * @arg - user space buffer containing ioctl content |
1281 | */ | |
1282 | static long | |
913809f6 | 1283 | _ctl_btdh_mapping(struct MPT2SAS_ADAPTER *ioc, void __user *arg) |
635374e7 EM |
1284 | { |
1285 | struct mpt2_ioctl_btdh_mapping karg; | |
635374e7 EM |
1286 | int rc; |
1287 | ||
1288 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1289 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1290 | __FILE__, __LINE__, __func__); | |
1291 | return -EFAULT; | |
1292 | } | |
635374e7 | 1293 | |
eabb08ad | 1294 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
1295 | __func__)); |
1296 | ||
1297 | rc = _ctl_btdh_search_sas_device(ioc, &karg); | |
1298 | if (!rc) | |
1299 | _ctl_btdh_search_raid_device(ioc, &karg); | |
1300 | ||
1301 | if (copy_to_user(arg, &karg, sizeof(karg))) { | |
1302 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1303 | __FILE__, __LINE__, __func__); | |
1304 | return -EFAULT; | |
1305 | } | |
1306 | return 0; | |
1307 | } | |
1308 | ||
1309 | /** | |
1310 | * _ctl_diag_capability - return diag buffer capability | |
1311 | * @ioc: per adapter object | |
1b01fe3a | 1312 | * @buffer_type: specifies either TRACE, SNAPSHOT, or EXTENDED |
635374e7 EM |
1313 | * |
1314 | * returns 1 when diag buffer support is enabled in firmware | |
1315 | */ | |
1316 | static u8 | |
1317 | _ctl_diag_capability(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type) | |
1318 | { | |
1319 | u8 rc = 0; | |
1320 | ||
1321 | switch (buffer_type) { | |
1322 | case MPI2_DIAG_BUF_TYPE_TRACE: | |
1323 | if (ioc->facts.IOCCapabilities & | |
1324 | MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER) | |
1325 | rc = 1; | |
1326 | break; | |
1327 | case MPI2_DIAG_BUF_TYPE_SNAPSHOT: | |
1328 | if (ioc->facts.IOCCapabilities & | |
1329 | MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER) | |
1330 | rc = 1; | |
1331 | break; | |
1b01fe3a KD |
1332 | case MPI2_DIAG_BUF_TYPE_EXTENDED: |
1333 | if (ioc->facts.IOCCapabilities & | |
1334 | MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER) | |
1335 | rc = 1; | |
635374e7 EM |
1336 | } |
1337 | ||
1338 | return rc; | |
1339 | } | |
1340 | ||
1341 | /** | |
32e0eb56 KD |
1342 | * _ctl_diag_register_2 - wrapper for registering diag buffer support |
1343 | * @ioc: per adapter object | |
1344 | * @diag_register: the diag_register struct passed in from user space | |
635374e7 | 1345 | * |
635374e7 EM |
1346 | */ |
1347 | static long | |
32e0eb56 KD |
1348 | _ctl_diag_register_2(struct MPT2SAS_ADAPTER *ioc, |
1349 | struct mpt2_diag_register *diag_register) | |
635374e7 | 1350 | { |
635374e7 EM |
1351 | int rc, i; |
1352 | void *request_data = NULL; | |
1353 | dma_addr_t request_data_dma; | |
1354 | u32 request_data_sz = 0; | |
1355 | Mpi2DiagBufferPostRequest_t *mpi_request; | |
1356 | Mpi2DiagBufferPostReply_t *mpi_reply; | |
1357 | u8 buffer_type; | |
1358 | unsigned long timeleft; | |
1359 | u16 smid; | |
1360 | u16 ioc_status; | |
1361 | u8 issue_reset = 0; | |
1362 | ||
eabb08ad | 1363 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
1364 | __func__)); |
1365 | ||
32e0eb56 KD |
1366 | if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) { |
1367 | printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n", | |
1368 | ioc->name, __func__); | |
1369 | rc = -EAGAIN; | |
1370 | goto out; | |
1371 | } | |
1372 | ||
1373 | buffer_type = diag_register->buffer_type; | |
635374e7 EM |
1374 | if (!_ctl_diag_capability(ioc, buffer_type)) { |
1375 | printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for " | |
1376 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); | |
1377 | return -EPERM; | |
1378 | } | |
1379 | ||
1380 | if (ioc->diag_buffer_status[buffer_type] & | |
1381 | MPT2_DIAG_BUFFER_IS_REGISTERED) { | |
1382 | printk(MPT2SAS_ERR_FMT "%s: already has a registered " | |
1383 | "buffer for buffer_type(0x%02x)\n", ioc->name, __func__, | |
1384 | buffer_type); | |
1385 | return -EINVAL; | |
1386 | } | |
1387 | ||
32e0eb56 | 1388 | if (diag_register->requested_buffer_size % 4) { |
635374e7 EM |
1389 | printk(MPT2SAS_ERR_FMT "%s: the requested_buffer_size " |
1390 | "is not 4 byte aligned\n", ioc->name, __func__); | |
1391 | return -EINVAL; | |
1392 | } | |
1393 | ||
635374e7 EM |
1394 | smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx); |
1395 | if (!smid) { | |
1396 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
1397 | ioc->name, __func__); | |
1398 | rc = -EAGAIN; | |
1399 | goto out; | |
1400 | } | |
1401 | ||
1402 | rc = 0; | |
1403 | ioc->ctl_cmds.status = MPT2_CMD_PENDING; | |
1404 | memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); | |
1405 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
1406 | ioc->ctl_cmds.smid = smid; | |
1407 | ||
1408 | request_data = ioc->diag_buffer[buffer_type]; | |
32e0eb56 KD |
1409 | request_data_sz = diag_register->requested_buffer_size; |
1410 | ioc->unique_id[buffer_type] = diag_register->unique_id; | |
635374e7 | 1411 | ioc->diag_buffer_status[buffer_type] = 0; |
32e0eb56 KD |
1412 | memcpy(ioc->product_specific[buffer_type], |
1413 | diag_register->product_specific, MPT2_PRODUCT_SPECIFIC_DWORDS); | |
1414 | ioc->diagnostic_flags[buffer_type] = diag_register->diagnostic_flags; | |
635374e7 EM |
1415 | |
1416 | if (request_data) { | |
1417 | request_data_dma = ioc->diag_buffer_dma[buffer_type]; | |
1418 | if (request_data_sz != ioc->diag_buffer_sz[buffer_type]) { | |
1419 | pci_free_consistent(ioc->pdev, | |
1420 | ioc->diag_buffer_sz[buffer_type], | |
1421 | request_data, request_data_dma); | |
1422 | request_data = NULL; | |
1423 | } | |
1424 | } | |
1425 | ||
1426 | if (request_data == NULL) { | |
1427 | ioc->diag_buffer_sz[buffer_type] = 0; | |
1428 | ioc->diag_buffer_dma[buffer_type] = 0; | |
1429 | request_data = pci_alloc_consistent( | |
1430 | ioc->pdev, request_data_sz, &request_data_dma); | |
1431 | if (request_data == NULL) { | |
1432 | printk(MPT2SAS_ERR_FMT "%s: failed allocating memory" | |
1433 | " for diag buffers, requested size(%d)\n", | |
1434 | ioc->name, __func__, request_data_sz); | |
1435 | mpt2sas_base_free_smid(ioc, smid); | |
1436 | return -ENOMEM; | |
1437 | } | |
1438 | ioc->diag_buffer[buffer_type] = request_data; | |
1439 | ioc->diag_buffer_sz[buffer_type] = request_data_sz; | |
1440 | ioc->diag_buffer_dma[buffer_type] = request_data_dma; | |
1441 | } | |
1442 | ||
1443 | mpi_request->Function = MPI2_FUNCTION_DIAG_BUFFER_POST; | |
32e0eb56 KD |
1444 | mpi_request->BufferType = diag_register->buffer_type; |
1445 | mpi_request->Flags = cpu_to_le32(diag_register->diagnostic_flags); | |
635374e7 EM |
1446 | mpi_request->BufferAddress = cpu_to_le64(request_data_dma); |
1447 | mpi_request->BufferLength = cpu_to_le32(request_data_sz); | |
7b936b02 KD |
1448 | mpi_request->VF_ID = 0; /* TODO */ |
1449 | mpi_request->VP_ID = 0; | |
635374e7 | 1450 | |
eabb08ad | 1451 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: diag_buffer(0x%p), " |
635374e7 | 1452 | "dma(0x%llx), sz(%d)\n", ioc->name, __func__, request_data, |
e94f6747 KD |
1453 | (unsigned long long)request_data_dma, |
1454 | le32_to_cpu(mpi_request->BufferLength))); | |
635374e7 EM |
1455 | |
1456 | for (i = 0; i < MPT2_PRODUCT_SPECIFIC_DWORDS; i++) | |
1457 | mpi_request->ProductSpecific[i] = | |
1458 | cpu_to_le32(ioc->product_specific[buffer_type][i]); | |
1459 | ||
bcfb6e6e | 1460 | init_completion(&ioc->ctl_cmds.done); |
f01690d3 | 1461 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
1462 | timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, |
1463 | MPT2_IOCTL_DEFAULT_TIMEOUT*HZ); | |
1464 | ||
1465 | if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) { | |
1466 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name, | |
1467 | __func__); | |
1468 | _debug_dump_mf(mpi_request, | |
1469 | sizeof(Mpi2DiagBufferPostRequest_t)/4); | |
1470 | if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET)) | |
1471 | issue_reset = 1; | |
1472 | goto issue_host_reset; | |
1473 | } | |
1474 | ||
1475 | /* process the completed Reply Message Frame */ | |
1476 | if ((ioc->ctl_cmds.status & MPT2_CMD_REPLY_VALID) == 0) { | |
1477 | printk(MPT2SAS_ERR_FMT "%s: no reply message\n", | |
1478 | ioc->name, __func__); | |
1479 | rc = -EFAULT; | |
1480 | goto out; | |
1481 | } | |
1482 | ||
1483 | mpi_reply = ioc->ctl_cmds.reply; | |
1484 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; | |
1485 | ||
1486 | if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { | |
1487 | ioc->diag_buffer_status[buffer_type] |= | |
1488 | MPT2_DIAG_BUFFER_IS_REGISTERED; | |
eabb08ad | 1489 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: success\n", |
635374e7 EM |
1490 | ioc->name, __func__)); |
1491 | } else { | |
eabb08ad | 1492 | printk(MPT2SAS_INFO_FMT "%s: ioc_status(0x%04x) " |
635374e7 | 1493 | "log_info(0x%08x)\n", ioc->name, __func__, |
463217bf | 1494 | ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo)); |
635374e7 EM |
1495 | rc = -EFAULT; |
1496 | } | |
1497 | ||
1498 | issue_host_reset: | |
1499 | if (issue_reset) | |
1500 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
1501 | FORCE_BIG_HAMMER); | |
1502 | ||
1503 | out: | |
1504 | ||
1505 | if (rc && request_data) | |
1506 | pci_free_consistent(ioc->pdev, request_data_sz, | |
1507 | request_data, request_data_dma); | |
1508 | ||
1509 | ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; | |
32e0eb56 KD |
1510 | return rc; |
1511 | } | |
1512 | ||
1513 | /** | |
1514 | * mpt2sas_enable_diag_buffer - enabling diag_buffers support driver load time | |
1515 | * @ioc: per adapter object | |
1516 | * @bits_to_register: bitwise field where trace is bit 0, and snapshot is bit 1 | |
1517 | * | |
1518 | * This is called when command line option diag_buffer_enable is enabled | |
1519 | * at driver load time. | |
1520 | */ | |
1521 | void | |
1522 | mpt2sas_enable_diag_buffer(struct MPT2SAS_ADAPTER *ioc, u8 bits_to_register) | |
1523 | { | |
1524 | struct mpt2_diag_register diag_register; | |
1525 | ||
1526 | memset(&diag_register, 0, sizeof(struct mpt2_diag_register)); | |
1527 | ||
1528 | if (bits_to_register & 1) { | |
1529 | printk(MPT2SAS_INFO_FMT "registering trace buffer support\n", | |
1530 | ioc->name); | |
1531 | diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_TRACE; | |
1532 | /* register for 1MB buffers */ | |
1533 | diag_register.requested_buffer_size = (1024 * 1024); | |
1534 | diag_register.unique_id = 0x7075900; | |
1535 | _ctl_diag_register_2(ioc, &diag_register); | |
1536 | } | |
1537 | ||
1538 | if (bits_to_register & 2) { | |
1539 | printk(MPT2SAS_INFO_FMT "registering snapshot buffer support\n", | |
1540 | ioc->name); | |
1541 | diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_SNAPSHOT; | |
1542 | /* register for 2MB buffers */ | |
1543 | diag_register.requested_buffer_size = 2 * (1024 * 1024); | |
1544 | diag_register.unique_id = 0x7075901; | |
1545 | _ctl_diag_register_2(ioc, &diag_register); | |
1546 | } | |
1b01fe3a KD |
1547 | |
1548 | if (bits_to_register & 4) { | |
1549 | printk(MPT2SAS_INFO_FMT "registering extended buffer support\n", | |
1550 | ioc->name); | |
1551 | diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_EXTENDED; | |
1552 | /* register for 2MB buffers */ | |
1553 | diag_register.requested_buffer_size = 2 * (1024 * 1024); | |
1554 | diag_register.unique_id = 0x7075901; | |
1555 | _ctl_diag_register_2(ioc, &diag_register); | |
1556 | } | |
32e0eb56 KD |
1557 | } |
1558 | ||
1559 | /** | |
1560 | * _ctl_diag_register - application register with driver | |
913809f6 | 1561 | * @ioc: per adapter object |
32e0eb56 | 1562 | * @arg - user space buffer containing ioctl content |
32e0eb56 KD |
1563 | * |
1564 | * This will allow the driver to setup any required buffers that will be | |
1565 | * needed by firmware to communicate with the driver. | |
1566 | */ | |
1567 | static long | |
913809f6 | 1568 | _ctl_diag_register(struct MPT2SAS_ADAPTER *ioc, void __user *arg) |
32e0eb56 KD |
1569 | { |
1570 | struct mpt2_diag_register karg; | |
32e0eb56 KD |
1571 | long rc; |
1572 | ||
1573 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1574 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1575 | __FILE__, __LINE__, __func__); | |
1576 | return -EFAULT; | |
1577 | } | |
32e0eb56 | 1578 | |
32e0eb56 | 1579 | rc = _ctl_diag_register_2(ioc, &karg); |
635374e7 EM |
1580 | return rc; |
1581 | } | |
1582 | ||
1583 | /** | |
1584 | * _ctl_diag_unregister - application unregister with driver | |
913809f6 | 1585 | * @ioc: per adapter object |
635374e7 EM |
1586 | * @arg - user space buffer containing ioctl content |
1587 | * | |
1588 | * This will allow the driver to cleanup any memory allocated for diag | |
1589 | * messages and to free up any resources. | |
1590 | */ | |
1591 | static long | |
913809f6 | 1592 | _ctl_diag_unregister(struct MPT2SAS_ADAPTER *ioc, void __user *arg) |
635374e7 EM |
1593 | { |
1594 | struct mpt2_diag_unregister karg; | |
635374e7 EM |
1595 | void *request_data; |
1596 | dma_addr_t request_data_dma; | |
1597 | u32 request_data_sz; | |
1598 | u8 buffer_type; | |
1599 | ||
1600 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1601 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1602 | __FILE__, __LINE__, __func__); | |
1603 | return -EFAULT; | |
1604 | } | |
635374e7 | 1605 | |
eabb08ad | 1606 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
1607 | __func__)); |
1608 | ||
1609 | buffer_type = karg.unique_id & 0x000000ff; | |
1610 | if (!_ctl_diag_capability(ioc, buffer_type)) { | |
1611 | printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for " | |
1612 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); | |
1613 | return -EPERM; | |
1614 | } | |
1615 | ||
1616 | if ((ioc->diag_buffer_status[buffer_type] & | |
1617 | MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) { | |
1618 | printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not " | |
1619 | "registered\n", ioc->name, __func__, buffer_type); | |
1620 | return -EINVAL; | |
1621 | } | |
1622 | if ((ioc->diag_buffer_status[buffer_type] & | |
1623 | MPT2_DIAG_BUFFER_IS_RELEASED) == 0) { | |
1624 | printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) has not been " | |
1625 | "released\n", ioc->name, __func__, buffer_type); | |
1626 | return -EINVAL; | |
1627 | } | |
1628 | ||
1629 | if (karg.unique_id != ioc->unique_id[buffer_type]) { | |
1630 | printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not " | |
1631 | "registered\n", ioc->name, __func__, karg.unique_id); | |
1632 | return -EINVAL; | |
1633 | } | |
1634 | ||
1635 | request_data = ioc->diag_buffer[buffer_type]; | |
1636 | if (!request_data) { | |
1637 | printk(MPT2SAS_ERR_FMT "%s: doesn't have memory allocated for " | |
1638 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); | |
1639 | return -ENOMEM; | |
1640 | } | |
1641 | ||
1642 | request_data_sz = ioc->diag_buffer_sz[buffer_type]; | |
1643 | request_data_dma = ioc->diag_buffer_dma[buffer_type]; | |
1644 | pci_free_consistent(ioc->pdev, request_data_sz, | |
1645 | request_data, request_data_dma); | |
1646 | ioc->diag_buffer[buffer_type] = NULL; | |
1647 | ioc->diag_buffer_status[buffer_type] = 0; | |
1648 | return 0; | |
1649 | } | |
1650 | ||
1651 | /** | |
1652 | * _ctl_diag_query - query relevant info associated with diag buffers | |
913809f6 | 1653 | * @ioc: per adapter object |
635374e7 EM |
1654 | * @arg - user space buffer containing ioctl content |
1655 | * | |
1656 | * The application will send only buffer_type and unique_id. Driver will | |
1657 | * inspect unique_id first, if valid, fill in all the info. If unique_id is | |
1658 | * 0x00, the driver will return info specified by Buffer Type. | |
1659 | */ | |
1660 | static long | |
913809f6 | 1661 | _ctl_diag_query(struct MPT2SAS_ADAPTER *ioc, void __user *arg) |
635374e7 EM |
1662 | { |
1663 | struct mpt2_diag_query karg; | |
635374e7 EM |
1664 | void *request_data; |
1665 | int i; | |
1666 | u8 buffer_type; | |
1667 | ||
1668 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1669 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1670 | __FILE__, __LINE__, __func__); | |
1671 | return -EFAULT; | |
1672 | } | |
635374e7 | 1673 | |
eabb08ad | 1674 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
1675 | __func__)); |
1676 | ||
1677 | karg.application_flags = 0; | |
1678 | buffer_type = karg.buffer_type; | |
1679 | ||
1680 | if (!_ctl_diag_capability(ioc, buffer_type)) { | |
1681 | printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for " | |
1682 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); | |
1683 | return -EPERM; | |
1684 | } | |
1685 | ||
1686 | if ((ioc->diag_buffer_status[buffer_type] & | |
1687 | MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) { | |
1688 | printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not " | |
1689 | "registered\n", ioc->name, __func__, buffer_type); | |
1690 | return -EINVAL; | |
1691 | } | |
1692 | ||
1693 | if (karg.unique_id & 0xffffff00) { | |
1694 | if (karg.unique_id != ioc->unique_id[buffer_type]) { | |
1695 | printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not " | |
1696 | "registered\n", ioc->name, __func__, | |
1697 | karg.unique_id); | |
1698 | return -EINVAL; | |
1699 | } | |
1700 | } | |
1701 | ||
1702 | request_data = ioc->diag_buffer[buffer_type]; | |
1703 | if (!request_data) { | |
1704 | printk(MPT2SAS_ERR_FMT "%s: doesn't have buffer for " | |
1705 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); | |
1706 | return -ENOMEM; | |
1707 | } | |
1708 | ||
1709 | if (ioc->diag_buffer_status[buffer_type] & MPT2_DIAG_BUFFER_IS_RELEASED) | |
1710 | karg.application_flags = (MPT2_APP_FLAGS_APP_OWNED | | |
1711 | MPT2_APP_FLAGS_BUFFER_VALID); | |
1712 | else | |
1713 | karg.application_flags = (MPT2_APP_FLAGS_APP_OWNED | | |
1714 | MPT2_APP_FLAGS_BUFFER_VALID | | |
1715 | MPT2_APP_FLAGS_FW_BUFFER_ACCESS); | |
1716 | ||
1717 | for (i = 0; i < MPT2_PRODUCT_SPECIFIC_DWORDS; i++) | |
1718 | karg.product_specific[i] = | |
1719 | ioc->product_specific[buffer_type][i]; | |
1720 | ||
1721 | karg.total_buffer_size = ioc->diag_buffer_sz[buffer_type]; | |
1722 | karg.driver_added_buffer_size = 0; | |
1723 | karg.unique_id = ioc->unique_id[buffer_type]; | |
1724 | karg.diagnostic_flags = ioc->diagnostic_flags[buffer_type]; | |
1725 | ||
1726 | if (copy_to_user(arg, &karg, sizeof(struct mpt2_diag_query))) { | |
1727 | printk(MPT2SAS_ERR_FMT "%s: unable to write mpt2_diag_query " | |
1728 | "data @ %p\n", ioc->name, __func__, arg); | |
1729 | return -EFAULT; | |
1730 | } | |
1731 | return 0; | |
1732 | } | |
1733 | ||
1734 | /** | |
99bb214b EM |
1735 | * _ctl_send_release - Diag Release Message |
1736 | * @ioc: per adapter object | |
1b01fe3a | 1737 | * @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED |
99bb214b | 1738 | * @issue_reset - specifies whether host reset is required. |
635374e7 | 1739 | * |
635374e7 | 1740 | */ |
99bb214b EM |
1741 | static int |
1742 | _ctl_send_release(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type, u8 *issue_reset) | |
635374e7 | 1743 | { |
635374e7 EM |
1744 | Mpi2DiagReleaseRequest_t *mpi_request; |
1745 | Mpi2DiagReleaseReply_t *mpi_reply; | |
635374e7 EM |
1746 | u16 smid; |
1747 | u16 ioc_status; | |
99bb214b EM |
1748 | u32 ioc_state; |
1749 | int rc; | |
1750 | unsigned long timeleft; | |
635374e7 | 1751 | |
eabb08ad | 1752 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
1753 | __func__)); |
1754 | ||
99bb214b EM |
1755 | rc = 0; |
1756 | *issue_reset = 0; | |
635374e7 | 1757 | |
99bb214b EM |
1758 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); |
1759 | if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
eabb08ad | 1760 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
99bb214b EM |
1761 | "skipping due to FAULT state\n", ioc->name, |
1762 | __func__)); | |
1763 | rc = -EAGAIN; | |
1764 | goto out; | |
635374e7 EM |
1765 | } |
1766 | ||
635374e7 EM |
1767 | if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) { |
1768 | printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n", | |
1769 | ioc->name, __func__); | |
1770 | rc = -EAGAIN; | |
1771 | goto out; | |
1772 | } | |
1773 | ||
1774 | smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx); | |
1775 | if (!smid) { | |
1776 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
1777 | ioc->name, __func__); | |
1778 | rc = -EAGAIN; | |
1779 | goto out; | |
1780 | } | |
1781 | ||
635374e7 EM |
1782 | ioc->ctl_cmds.status = MPT2_CMD_PENDING; |
1783 | memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); | |
1784 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
1785 | ioc->ctl_cmds.smid = smid; | |
1786 | ||
1787 | mpi_request->Function = MPI2_FUNCTION_DIAG_RELEASE; | |
1788 | mpi_request->BufferType = buffer_type; | |
7b936b02 KD |
1789 | mpi_request->VF_ID = 0; /* TODO */ |
1790 | mpi_request->VP_ID = 0; | |
635374e7 | 1791 | |
bcfb6e6e | 1792 | init_completion(&ioc->ctl_cmds.done); |
f01690d3 | 1793 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
1794 | timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, |
1795 | MPT2_IOCTL_DEFAULT_TIMEOUT*HZ); | |
1796 | ||
1797 | if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) { | |
1798 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name, | |
1799 | __func__); | |
1800 | _debug_dump_mf(mpi_request, | |
1801 | sizeof(Mpi2DiagReleaseRequest_t)/4); | |
1802 | if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET)) | |
99bb214b EM |
1803 | *issue_reset = 1; |
1804 | rc = -EFAULT; | |
1805 | goto out; | |
635374e7 EM |
1806 | } |
1807 | ||
1808 | /* process the completed Reply Message Frame */ | |
1809 | if ((ioc->ctl_cmds.status & MPT2_CMD_REPLY_VALID) == 0) { | |
1810 | printk(MPT2SAS_ERR_FMT "%s: no reply message\n", | |
1811 | ioc->name, __func__); | |
1812 | rc = -EFAULT; | |
1813 | goto out; | |
1814 | } | |
1815 | ||
1816 | mpi_reply = ioc->ctl_cmds.reply; | |
1817 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; | |
1818 | ||
1819 | if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { | |
1820 | ioc->diag_buffer_status[buffer_type] |= | |
1821 | MPT2_DIAG_BUFFER_IS_RELEASED; | |
eabb08ad | 1822 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: success\n", |
635374e7 EM |
1823 | ioc->name, __func__)); |
1824 | } else { | |
eabb08ad | 1825 | printk(MPT2SAS_INFO_FMT "%s: ioc_status(0x%04x) " |
635374e7 | 1826 | "log_info(0x%08x)\n", ioc->name, __func__, |
463217bf | 1827 | ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo)); |
635374e7 EM |
1828 | rc = -EFAULT; |
1829 | } | |
1830 | ||
99bb214b EM |
1831 | out: |
1832 | ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; | |
1833 | return rc; | |
1834 | } | |
1835 | ||
1836 | /** | |
1837 | * _ctl_diag_release - request to send Diag Release Message to firmware | |
1838 | * @arg - user space buffer containing ioctl content | |
99bb214b EM |
1839 | * |
1840 | * This allows ownership of the specified buffer to returned to the driver, | |
1841 | * allowing an application to read the buffer without fear that firmware is | |
1842 | * overwritting information in the buffer. | |
1843 | */ | |
1844 | static long | |
913809f6 | 1845 | _ctl_diag_release(struct MPT2SAS_ADAPTER *ioc, void __user *arg) |
99bb214b EM |
1846 | { |
1847 | struct mpt2_diag_release karg; | |
99bb214b EM |
1848 | void *request_data; |
1849 | int rc; | |
1850 | u8 buffer_type; | |
1851 | u8 issue_reset = 0; | |
1852 | ||
1853 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1854 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1855 | __FILE__, __LINE__, __func__); | |
1856 | return -EFAULT; | |
1857 | } | |
99bb214b | 1858 | |
eabb08ad | 1859 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
99bb214b EM |
1860 | __func__)); |
1861 | ||
1862 | buffer_type = karg.unique_id & 0x000000ff; | |
1863 | if (!_ctl_diag_capability(ioc, buffer_type)) { | |
1864 | printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for " | |
1865 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); | |
1866 | return -EPERM; | |
1867 | } | |
1868 | ||
1869 | if ((ioc->diag_buffer_status[buffer_type] & | |
1870 | MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) { | |
1871 | printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not " | |
1872 | "registered\n", ioc->name, __func__, buffer_type); | |
1873 | return -EINVAL; | |
1874 | } | |
1875 | ||
1876 | if (karg.unique_id != ioc->unique_id[buffer_type]) { | |
1877 | printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not " | |
1878 | "registered\n", ioc->name, __func__, karg.unique_id); | |
1879 | return -EINVAL; | |
1880 | } | |
1881 | ||
1882 | if (ioc->diag_buffer_status[buffer_type] & | |
1883 | MPT2_DIAG_BUFFER_IS_RELEASED) { | |
1884 | printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) " | |
1885 | "is already released\n", ioc->name, __func__, | |
1886 | buffer_type); | |
1887 | return 0; | |
1888 | } | |
1889 | ||
1890 | request_data = ioc->diag_buffer[buffer_type]; | |
1891 | ||
1892 | if (!request_data) { | |
1893 | printk(MPT2SAS_ERR_FMT "%s: doesn't have memory allocated for " | |
1894 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); | |
1895 | return -ENOMEM; | |
1896 | } | |
1897 | ||
1898 | /* buffers were released by due to host reset */ | |
1899 | if ((ioc->diag_buffer_status[buffer_type] & | |
1900 | MPT2_DIAG_BUFFER_IS_DIAG_RESET)) { | |
1901 | ioc->diag_buffer_status[buffer_type] |= | |
1902 | MPT2_DIAG_BUFFER_IS_RELEASED; | |
1903 | ioc->diag_buffer_status[buffer_type] &= | |
1904 | ~MPT2_DIAG_BUFFER_IS_DIAG_RESET; | |
1905 | printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) " | |
1906 | "was released due to host reset\n", ioc->name, __func__, | |
1907 | buffer_type); | |
1908 | return 0; | |
1909 | } | |
1910 | ||
99bb214b EM |
1911 | rc = _ctl_send_release(ioc, buffer_type, &issue_reset); |
1912 | ||
635374e7 EM |
1913 | if (issue_reset) |
1914 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
1915 | FORCE_BIG_HAMMER); | |
1916 | ||
635374e7 EM |
1917 | return rc; |
1918 | } | |
1919 | ||
1920 | /** | |
1921 | * _ctl_diag_read_buffer - request for copy of the diag buffer | |
913809f6 | 1922 | * @ioc: per adapter object |
635374e7 | 1923 | * @arg - user space buffer containing ioctl content |
635374e7 EM |
1924 | */ |
1925 | static long | |
913809f6 | 1926 | _ctl_diag_read_buffer(struct MPT2SAS_ADAPTER *ioc, void __user *arg) |
635374e7 EM |
1927 | { |
1928 | struct mpt2_diag_read_buffer karg; | |
1929 | struct mpt2_diag_read_buffer __user *uarg = arg; | |
635374e7 EM |
1930 | void *request_data, *diag_data; |
1931 | Mpi2DiagBufferPostRequest_t *mpi_request; | |
1932 | Mpi2DiagBufferPostReply_t *mpi_reply; | |
1933 | int rc, i; | |
1934 | u8 buffer_type; | |
a1f74ae8 | 1935 | unsigned long timeleft, request_size, copy_size; |
635374e7 EM |
1936 | u16 smid; |
1937 | u16 ioc_status; | |
1938 | u8 issue_reset = 0; | |
1939 | ||
1940 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1941 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1942 | __FILE__, __LINE__, __func__); | |
1943 | return -EFAULT; | |
1944 | } | |
635374e7 | 1945 | |
eabb08ad | 1946 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
1947 | __func__)); |
1948 | ||
1949 | buffer_type = karg.unique_id & 0x000000ff; | |
1950 | if (!_ctl_diag_capability(ioc, buffer_type)) { | |
1951 | printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for " | |
1952 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); | |
1953 | return -EPERM; | |
1954 | } | |
1955 | ||
1956 | if (karg.unique_id != ioc->unique_id[buffer_type]) { | |
1957 | printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not " | |
1958 | "registered\n", ioc->name, __func__, karg.unique_id); | |
1959 | return -EINVAL; | |
1960 | } | |
1961 | ||
1962 | request_data = ioc->diag_buffer[buffer_type]; | |
1963 | if (!request_data) { | |
1964 | printk(MPT2SAS_ERR_FMT "%s: doesn't have buffer for " | |
1965 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); | |
1966 | return -ENOMEM; | |
1967 | } | |
1968 | ||
a1f74ae8 DR |
1969 | request_size = ioc->diag_buffer_sz[buffer_type]; |
1970 | ||
635374e7 EM |
1971 | if ((karg.starting_offset % 4) || (karg.bytes_to_read % 4)) { |
1972 | printk(MPT2SAS_ERR_FMT "%s: either the starting_offset " | |
1973 | "or bytes_to_read are not 4 byte aligned\n", ioc->name, | |
1974 | __func__); | |
1975 | return -EINVAL; | |
1976 | } | |
1977 | ||
a1f74ae8 DR |
1978 | if (karg.starting_offset > request_size) |
1979 | return -EINVAL; | |
1980 | ||
635374e7 | 1981 | diag_data = (void *)(request_data + karg.starting_offset); |
eabb08ad | 1982 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: diag_buffer(%p), " |
635374e7 EM |
1983 | "offset(%d), sz(%d)\n", ioc->name, __func__, |
1984 | diag_data, karg.starting_offset, karg.bytes_to_read)); | |
1985 | ||
a1f74ae8 DR |
1986 | /* Truncate data on requests that are too large */ |
1987 | if ((diag_data + karg.bytes_to_read < diag_data) || | |
1988 | (diag_data + karg.bytes_to_read > request_data + request_size)) | |
1989 | copy_size = request_size - karg.starting_offset; | |
1990 | else | |
1991 | copy_size = karg.bytes_to_read; | |
1992 | ||
635374e7 | 1993 | if (copy_to_user((void __user *)uarg->diagnostic_data, |
a1f74ae8 | 1994 | diag_data, copy_size)) { |
635374e7 EM |
1995 | printk(MPT2SAS_ERR_FMT "%s: Unable to write " |
1996 | "mpt_diag_read_buffer_t data @ %p\n", ioc->name, | |
1997 | __func__, diag_data); | |
1998 | return -EFAULT; | |
1999 | } | |
2000 | ||
2001 | if ((karg.flags & MPT2_FLAGS_REREGISTER) == 0) | |
2002 | return 0; | |
2003 | ||
eabb08ad | 2004 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: Reregister " |
635374e7 EM |
2005 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type)); |
2006 | if ((ioc->diag_buffer_status[buffer_type] & | |
2007 | MPT2_DIAG_BUFFER_IS_RELEASED) == 0) { | |
eabb08ad | 2008 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
635374e7 EM |
2009 | "buffer_type(0x%02x) is still registered\n", ioc->name, |
2010 | __func__, buffer_type)); | |
2011 | return 0; | |
2012 | } | |
2013 | /* Get a free request frame and save the message context. | |
2014 | */ | |
635374e7 EM |
2015 | |
2016 | if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) { | |
2017 | printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n", | |
2018 | ioc->name, __func__); | |
2019 | rc = -EAGAIN; | |
2020 | goto out; | |
2021 | } | |
2022 | ||
2023 | smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx); | |
2024 | if (!smid) { | |
2025 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
2026 | ioc->name, __func__); | |
2027 | rc = -EAGAIN; | |
2028 | goto out; | |
2029 | } | |
2030 | ||
2031 | rc = 0; | |
2032 | ioc->ctl_cmds.status = MPT2_CMD_PENDING; | |
2033 | memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); | |
2034 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
2035 | ioc->ctl_cmds.smid = smid; | |
2036 | ||
2037 | mpi_request->Function = MPI2_FUNCTION_DIAG_BUFFER_POST; | |
2038 | mpi_request->BufferType = buffer_type; | |
2039 | mpi_request->BufferLength = | |
2040 | cpu_to_le32(ioc->diag_buffer_sz[buffer_type]); | |
2041 | mpi_request->BufferAddress = | |
2042 | cpu_to_le64(ioc->diag_buffer_dma[buffer_type]); | |
2043 | for (i = 0; i < MPT2_PRODUCT_SPECIFIC_DWORDS; i++) | |
2044 | mpi_request->ProductSpecific[i] = | |
2045 | cpu_to_le32(ioc->product_specific[buffer_type][i]); | |
7b936b02 KD |
2046 | mpi_request->VF_ID = 0; /* TODO */ |
2047 | mpi_request->VP_ID = 0; | |
635374e7 | 2048 | |
bcfb6e6e | 2049 | init_completion(&ioc->ctl_cmds.done); |
f01690d3 | 2050 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
2051 | timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, |
2052 | MPT2_IOCTL_DEFAULT_TIMEOUT*HZ); | |
2053 | ||
2054 | if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) { | |
2055 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name, | |
2056 | __func__); | |
2057 | _debug_dump_mf(mpi_request, | |
2058 | sizeof(Mpi2DiagBufferPostRequest_t)/4); | |
2059 | if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET)) | |
2060 | issue_reset = 1; | |
2061 | goto issue_host_reset; | |
2062 | } | |
2063 | ||
2064 | /* process the completed Reply Message Frame */ | |
2065 | if ((ioc->ctl_cmds.status & MPT2_CMD_REPLY_VALID) == 0) { | |
2066 | printk(MPT2SAS_ERR_FMT "%s: no reply message\n", | |
2067 | ioc->name, __func__); | |
2068 | rc = -EFAULT; | |
2069 | goto out; | |
2070 | } | |
2071 | ||
2072 | mpi_reply = ioc->ctl_cmds.reply; | |
2073 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; | |
2074 | ||
2075 | if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { | |
2076 | ioc->diag_buffer_status[buffer_type] |= | |
2077 | MPT2_DIAG_BUFFER_IS_REGISTERED; | |
eabb08ad | 2078 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: success\n", |
635374e7 EM |
2079 | ioc->name, __func__)); |
2080 | } else { | |
eabb08ad | 2081 | printk(MPT2SAS_INFO_FMT "%s: ioc_status(0x%04x) " |
635374e7 | 2082 | "log_info(0x%08x)\n", ioc->name, __func__, |
463217bf | 2083 | ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo)); |
635374e7 EM |
2084 | rc = -EFAULT; |
2085 | } | |
2086 | ||
2087 | issue_host_reset: | |
2088 | if (issue_reset) | |
2089 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
2090 | FORCE_BIG_HAMMER); | |
2091 | ||
2092 | out: | |
2093 | ||
2094 | ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; | |
635374e7 EM |
2095 | return rc; |
2096 | } | |
2097 | ||
913809f6 | 2098 | |
2099 | #ifdef CONFIG_COMPAT | |
2100 | /** | |
2101 | * _ctl_compat_mpt_command - convert 32bit pointers to 64bit. | |
2102 | * @ioc: per adapter object | |
2103 | * @cmd - ioctl opcode | |
2104 | * @arg - (struct mpt2_ioctl_command32) | |
2105 | * | |
2106 | * MPT2COMMAND32 - Handle 32bit applications running on 64bit os. | |
2107 | */ | |
2108 | static long | |
2109 | _ctl_compat_mpt_command(struct MPT2SAS_ADAPTER *ioc, unsigned cmd, | |
2110 | void __user *arg) | |
2111 | { | |
2112 | struct mpt2_ioctl_command32 karg32; | |
2113 | struct mpt2_ioctl_command32 __user *uarg; | |
2114 | struct mpt2_ioctl_command karg; | |
2115 | ||
2116 | if (_IOC_SIZE(cmd) != sizeof(struct mpt2_ioctl_command32)) | |
2117 | return -EINVAL; | |
2118 | ||
2119 | uarg = (struct mpt2_ioctl_command32 __user *) arg; | |
2120 | ||
2121 | if (copy_from_user(&karg32, (char __user *)arg, sizeof(karg32))) { | |
2122 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
2123 | __FILE__, __LINE__, __func__); | |
2124 | return -EFAULT; | |
2125 | } | |
2126 | ||
2127 | memset(&karg, 0, sizeof(struct mpt2_ioctl_command)); | |
2128 | karg.hdr.ioc_number = karg32.hdr.ioc_number; | |
2129 | karg.hdr.port_number = karg32.hdr.port_number; | |
2130 | karg.hdr.max_data_size = karg32.hdr.max_data_size; | |
2131 | karg.timeout = karg32.timeout; | |
2132 | karg.max_reply_bytes = karg32.max_reply_bytes; | |
2133 | karg.data_in_size = karg32.data_in_size; | |
2134 | karg.data_out_size = karg32.data_out_size; | |
2135 | karg.max_sense_bytes = karg32.max_sense_bytes; | |
2136 | karg.data_sge_offset = karg32.data_sge_offset; | |
2137 | karg.reply_frame_buf_ptr = compat_ptr(karg32.reply_frame_buf_ptr); | |
2138 | karg.data_in_buf_ptr = compat_ptr(karg32.data_in_buf_ptr); | |
2139 | karg.data_out_buf_ptr = compat_ptr(karg32.data_out_buf_ptr); | |
2140 | karg.sense_data_ptr = compat_ptr(karg32.sense_data_ptr); | |
2141 | return _ctl_do_mpt_command(ioc, karg, &uarg->mf); | |
2142 | } | |
2143 | #endif | |
2144 | ||
635374e7 EM |
2145 | /** |
2146 | * _ctl_ioctl_main - main ioctl entry point | |
2147 | * @file - (struct file) | |
2148 | * @cmd - ioctl opcode | |
2149 | * @arg - | |
913809f6 | 2150 | * compat - handles 32 bit applications in 64bit os |
635374e7 EM |
2151 | */ |
2152 | static long | |
913809f6 | 2153 | _ctl_ioctl_main(struct file *file, unsigned int cmd, void __user *arg, |
2154 | u8 compat) | |
635374e7 | 2155 | { |
913809f6 | 2156 | struct MPT2SAS_ADAPTER *ioc; |
2157 | struct mpt2_ioctl_header ioctl_header; | |
635374e7 EM |
2158 | enum block_state state; |
2159 | long ret = -EINVAL; | |
635374e7 | 2160 | |
913809f6 | 2161 | /* get IOCTL header */ |
2162 | if (copy_from_user(&ioctl_header, (char __user *)arg, | |
2163 | sizeof(struct mpt2_ioctl_header))) { | |
2164 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
2165 | __FILE__, __LINE__, __func__); | |
2166 | return -EFAULT; | |
2167 | } | |
2168 | ||
2169 | if (_ctl_verify_adapter(ioctl_header.ioc_number, &ioc) == -1 || !ioc) | |
2170 | return -ENODEV; | |
2171 | if (ioc->shost_recovery || ioc->pci_error_recovery || | |
2172 | ioc->is_driver_loading) | |
2173 | return -EAGAIN; | |
2174 | ||
2175 | state = (file->f_flags & O_NONBLOCK) ? NON_BLOCKING : BLOCKING; | |
b656688a AK |
2176 | if (state == NON_BLOCKING) { |
2177 | if (!mutex_trylock(&ioc->ctl_cmds.mutex)) | |
2178 | return -EAGAIN; | |
2179 | } else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex)) { | |
913809f6 | 2180 | return -ERESTARTSYS; |
b656688a | 2181 | } |
635374e7 EM |
2182 | |
2183 | switch (cmd) { | |
2184 | case MPT2IOCINFO: | |
2185 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_iocinfo)) | |
913809f6 | 2186 | ret = _ctl_getiocinfo(ioc, arg); |
635374e7 | 2187 | break; |
913809f6 | 2188 | #ifdef CONFIG_COMPAT |
2189 | case MPT2COMMAND32: | |
2190 | #endif | |
635374e7 EM |
2191 | case MPT2COMMAND: |
2192 | { | |
635374e7 | 2193 | struct mpt2_ioctl_command __user *uarg; |
913809f6 | 2194 | struct mpt2_ioctl_command karg; |
2195 | #ifdef CONFIG_COMPAT | |
2196 | if (compat) { | |
2197 | ret = _ctl_compat_mpt_command(ioc, cmd, arg); | |
2198 | break; | |
2199 | } | |
2200 | #endif | |
635374e7 EM |
2201 | if (copy_from_user(&karg, arg, sizeof(karg))) { |
2202 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
2203 | __FILE__, __LINE__, __func__); | |
913809f6 | 2204 | ret = -EFAULT; |
2205 | break; | |
635374e7 EM |
2206 | } |
2207 | ||
635374e7 EM |
2208 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_command)) { |
2209 | uarg = arg; | |
913809f6 | 2210 | ret = _ctl_do_mpt_command(ioc, karg, &uarg->mf); |
635374e7 EM |
2211 | } |
2212 | break; | |
2213 | } | |
2214 | case MPT2EVENTQUERY: | |
2215 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_eventquery)) | |
913809f6 | 2216 | ret = _ctl_eventquery(ioc, arg); |
635374e7 EM |
2217 | break; |
2218 | case MPT2EVENTENABLE: | |
2219 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_eventenable)) | |
913809f6 | 2220 | ret = _ctl_eventenable(ioc, arg); |
635374e7 EM |
2221 | break; |
2222 | case MPT2EVENTREPORT: | |
913809f6 | 2223 | ret = _ctl_eventreport(ioc, arg); |
635374e7 EM |
2224 | break; |
2225 | case MPT2HARDRESET: | |
2226 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_diag_reset)) | |
913809f6 | 2227 | ret = _ctl_do_reset(ioc, arg); |
635374e7 EM |
2228 | break; |
2229 | case MPT2BTDHMAPPING: | |
2230 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_btdh_mapping)) | |
913809f6 | 2231 | ret = _ctl_btdh_mapping(ioc, arg); |
635374e7 EM |
2232 | break; |
2233 | case MPT2DIAGREGISTER: | |
2234 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_register)) | |
913809f6 | 2235 | ret = _ctl_diag_register(ioc, arg); |
635374e7 EM |
2236 | break; |
2237 | case MPT2DIAGUNREGISTER: | |
2238 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_unregister)) | |
913809f6 | 2239 | ret = _ctl_diag_unregister(ioc, arg); |
635374e7 EM |
2240 | break; |
2241 | case MPT2DIAGQUERY: | |
2242 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_query)) | |
913809f6 | 2243 | ret = _ctl_diag_query(ioc, arg); |
635374e7 EM |
2244 | break; |
2245 | case MPT2DIAGRELEASE: | |
2246 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_release)) | |
913809f6 | 2247 | ret = _ctl_diag_release(ioc, arg); |
635374e7 EM |
2248 | break; |
2249 | case MPT2DIAGREADBUFFER: | |
2250 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_read_buffer)) | |
913809f6 | 2251 | ret = _ctl_diag_read_buffer(ioc, arg); |
635374e7 EM |
2252 | break; |
2253 | default: | |
635374e7 | 2254 | |
eabb08ad | 2255 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT |
635374e7 EM |
2256 | "unsupported ioctl opcode(0x%08x)\n", ioc->name, cmd)); |
2257 | break; | |
2258 | } | |
913809f6 | 2259 | |
2260 | mutex_unlock(&ioc->ctl_cmds.mutex); | |
635374e7 EM |
2261 | return ret; |
2262 | } | |
2263 | ||
2264 | /** | |
2265 | * _ctl_ioctl - main ioctl entry point (unlocked) | |
2266 | * @file - (struct file) | |
2267 | * @cmd - ioctl opcode | |
2268 | * @arg - | |
2269 | */ | |
2270 | static long | |
2271 | _ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
2272 | { | |
2273 | long ret; | |
7b936b02 | 2274 | |
913809f6 | 2275 | ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 0); |
635374e7 EM |
2276 | return ret; |
2277 | } | |
635374e7 | 2278 | #ifdef CONFIG_COMPAT |
635374e7 EM |
2279 | /** |
2280 | * _ctl_ioctl_compat - main ioctl entry point (compat) | |
2281 | * @file - | |
2282 | * @cmd - | |
2283 | * @arg - | |
2284 | * | |
2285 | * This routine handles 32 bit applications in 64bit os. | |
2286 | */ | |
2287 | static long | |
2288 | _ctl_ioctl_compat(struct file *file, unsigned cmd, unsigned long arg) | |
2289 | { | |
2290 | long ret; | |
7b936b02 | 2291 | |
913809f6 | 2292 | ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 1); |
635374e7 EM |
2293 | return ret; |
2294 | } | |
2295 | #endif | |
2296 | ||
2297 | /* scsi host attributes */ | |
2298 | ||
2299 | /** | |
2300 | * _ctl_version_fw_show - firmware version | |
2301 | * @cdev - pointer to embedded class device | |
2302 | * @buf - the buffer returned | |
2303 | * | |
2304 | * A sysfs 'read-only' shost attribute. | |
2305 | */ | |
2306 | static ssize_t | |
2307 | _ctl_version_fw_show(struct device *cdev, struct device_attribute *attr, | |
2308 | char *buf) | |
2309 | { | |
2310 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2311 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2312 | ||
2313 | return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n", | |
2314 | (ioc->facts.FWVersion.Word & 0xFF000000) >> 24, | |
2315 | (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16, | |
2316 | (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8, | |
2317 | ioc->facts.FWVersion.Word & 0x000000FF); | |
2318 | } | |
2319 | static DEVICE_ATTR(version_fw, S_IRUGO, _ctl_version_fw_show, NULL); | |
2320 | ||
2321 | /** | |
2322 | * _ctl_version_bios_show - bios version | |
2323 | * @cdev - pointer to embedded class device | |
2324 | * @buf - the buffer returned | |
2325 | * | |
2326 | * A sysfs 'read-only' shost attribute. | |
2327 | */ | |
2328 | static ssize_t | |
2329 | _ctl_version_bios_show(struct device *cdev, struct device_attribute *attr, | |
2330 | char *buf) | |
2331 | { | |
2332 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2333 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2334 | ||
2335 | u32 version = le32_to_cpu(ioc->bios_pg3.BiosVersion); | |
2336 | ||
2337 | return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n", | |
2338 | (version & 0xFF000000) >> 24, | |
2339 | (version & 0x00FF0000) >> 16, | |
2340 | (version & 0x0000FF00) >> 8, | |
2341 | version & 0x000000FF); | |
2342 | } | |
2343 | static DEVICE_ATTR(version_bios, S_IRUGO, _ctl_version_bios_show, NULL); | |
2344 | ||
2345 | /** | |
2346 | * _ctl_version_mpi_show - MPI (message passing interface) version | |
2347 | * @cdev - pointer to embedded class device | |
2348 | * @buf - the buffer returned | |
2349 | * | |
2350 | * A sysfs 'read-only' shost attribute. | |
2351 | */ | |
2352 | static ssize_t | |
2353 | _ctl_version_mpi_show(struct device *cdev, struct device_attribute *attr, | |
2354 | char *buf) | |
2355 | { | |
2356 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2357 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2358 | ||
2359 | return snprintf(buf, PAGE_SIZE, "%03x.%02x\n", | |
2360 | ioc->facts.MsgVersion, ioc->facts.HeaderVersion >> 8); | |
2361 | } | |
2362 | static DEVICE_ATTR(version_mpi, S_IRUGO, _ctl_version_mpi_show, NULL); | |
2363 | ||
2364 | /** | |
2365 | * _ctl_version_product_show - product name | |
2366 | * @cdev - pointer to embedded class device | |
2367 | * @buf - the buffer returned | |
2368 | * | |
2369 | * A sysfs 'read-only' shost attribute. | |
2370 | */ | |
2371 | static ssize_t | |
2372 | _ctl_version_product_show(struct device *cdev, struct device_attribute *attr, | |
2373 | char *buf) | |
2374 | { | |
2375 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2376 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2377 | ||
2378 | return snprintf(buf, 16, "%s\n", ioc->manu_pg0.ChipName); | |
2379 | } | |
2380 | static DEVICE_ATTR(version_product, S_IRUGO, | |
2381 | _ctl_version_product_show, NULL); | |
2382 | ||
2383 | /** | |
2384 | * _ctl_version_nvdata_persistent_show - ndvata persistent version | |
2385 | * @cdev - pointer to embedded class device | |
2386 | * @buf - the buffer returned | |
2387 | * | |
2388 | * A sysfs 'read-only' shost attribute. | |
2389 | */ | |
2390 | static ssize_t | |
2391 | _ctl_version_nvdata_persistent_show(struct device *cdev, | |
2392 | struct device_attribute *attr, char *buf) | |
2393 | { | |
2394 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2395 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2396 | ||
e94f6747 KD |
2397 | return snprintf(buf, PAGE_SIZE, "%08xh\n", |
2398 | le32_to_cpu(ioc->iounit_pg0.NvdataVersionPersistent.Word)); | |
635374e7 EM |
2399 | } |
2400 | static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO, | |
2401 | _ctl_version_nvdata_persistent_show, NULL); | |
2402 | ||
2403 | /** | |
2404 | * _ctl_version_nvdata_default_show - nvdata default version | |
2405 | * @cdev - pointer to embedded class device | |
2406 | * @buf - the buffer returned | |
2407 | * | |
2408 | * A sysfs 'read-only' shost attribute. | |
2409 | */ | |
2410 | static ssize_t | |
2411 | _ctl_version_nvdata_default_show(struct device *cdev, | |
2412 | struct device_attribute *attr, char *buf) | |
2413 | { | |
2414 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2415 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2416 | ||
e94f6747 KD |
2417 | return snprintf(buf, PAGE_SIZE, "%08xh\n", |
2418 | le32_to_cpu(ioc->iounit_pg0.NvdataVersionDefault.Word)); | |
635374e7 EM |
2419 | } |
2420 | static DEVICE_ATTR(version_nvdata_default, S_IRUGO, | |
2421 | _ctl_version_nvdata_default_show, NULL); | |
2422 | ||
2423 | /** | |
2424 | * _ctl_board_name_show - board name | |
2425 | * @cdev - pointer to embedded class device | |
2426 | * @buf - the buffer returned | |
2427 | * | |
2428 | * A sysfs 'read-only' shost attribute. | |
2429 | */ | |
2430 | static ssize_t | |
2431 | _ctl_board_name_show(struct device *cdev, struct device_attribute *attr, | |
2432 | char *buf) | |
2433 | { | |
2434 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2435 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2436 | ||
2437 | return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardName); | |
2438 | } | |
2439 | static DEVICE_ATTR(board_name, S_IRUGO, _ctl_board_name_show, NULL); | |
2440 | ||
2441 | /** | |
2442 | * _ctl_board_assembly_show - board assembly name | |
2443 | * @cdev - pointer to embedded class device | |
2444 | * @buf - the buffer returned | |
2445 | * | |
2446 | * A sysfs 'read-only' shost attribute. | |
2447 | */ | |
2448 | static ssize_t | |
2449 | _ctl_board_assembly_show(struct device *cdev, struct device_attribute *attr, | |
2450 | char *buf) | |
2451 | { | |
2452 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2453 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2454 | ||
2455 | return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardAssembly); | |
2456 | } | |
2457 | static DEVICE_ATTR(board_assembly, S_IRUGO, | |
2458 | _ctl_board_assembly_show, NULL); | |
2459 | ||
2460 | /** | |
2461 | * _ctl_board_tracer_show - board tracer number | |
2462 | * @cdev - pointer to embedded class device | |
2463 | * @buf - the buffer returned | |
2464 | * | |
2465 | * A sysfs 'read-only' shost attribute. | |
2466 | */ | |
2467 | static ssize_t | |
2468 | _ctl_board_tracer_show(struct device *cdev, struct device_attribute *attr, | |
2469 | char *buf) | |
2470 | { | |
2471 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2472 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2473 | ||
2474 | return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardTracerNumber); | |
2475 | } | |
2476 | static DEVICE_ATTR(board_tracer, S_IRUGO, | |
2477 | _ctl_board_tracer_show, NULL); | |
2478 | ||
2479 | /** | |
2480 | * _ctl_io_delay_show - io missing delay | |
2481 | * @cdev - pointer to embedded class device | |
2482 | * @buf - the buffer returned | |
2483 | * | |
2484 | * This is for firmware implemention for deboucing device | |
2485 | * removal events. | |
2486 | * | |
2487 | * A sysfs 'read-only' shost attribute. | |
2488 | */ | |
2489 | static ssize_t | |
2490 | _ctl_io_delay_show(struct device *cdev, struct device_attribute *attr, | |
2491 | char *buf) | |
2492 | { | |
2493 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2494 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2495 | ||
2496 | return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay); | |
2497 | } | |
2498 | static DEVICE_ATTR(io_delay, S_IRUGO, | |
2499 | _ctl_io_delay_show, NULL); | |
2500 | ||
2501 | /** | |
2502 | * _ctl_device_delay_show - device missing delay | |
2503 | * @cdev - pointer to embedded class device | |
2504 | * @buf - the buffer returned | |
2505 | * | |
2506 | * This is for firmware implemention for deboucing device | |
2507 | * removal events. | |
2508 | * | |
2509 | * A sysfs 'read-only' shost attribute. | |
2510 | */ | |
2511 | static ssize_t | |
2512 | _ctl_device_delay_show(struct device *cdev, struct device_attribute *attr, | |
2513 | char *buf) | |
2514 | { | |
2515 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2516 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2517 | ||
2518 | return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay); | |
2519 | } | |
2520 | static DEVICE_ATTR(device_delay, S_IRUGO, | |
2521 | _ctl_device_delay_show, NULL); | |
2522 | ||
2523 | /** | |
2524 | * _ctl_fw_queue_depth_show - global credits | |
2525 | * @cdev - pointer to embedded class device | |
2526 | * @buf - the buffer returned | |
2527 | * | |
2528 | * This is firmware queue depth limit | |
2529 | * | |
2530 | * A sysfs 'read-only' shost attribute. | |
2531 | */ | |
2532 | static ssize_t | |
2533 | _ctl_fw_queue_depth_show(struct device *cdev, struct device_attribute *attr, | |
2534 | char *buf) | |
2535 | { | |
2536 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2537 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2538 | ||
2539 | return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->facts.RequestCredit); | |
2540 | } | |
2541 | static DEVICE_ATTR(fw_queue_depth, S_IRUGO, | |
2542 | _ctl_fw_queue_depth_show, NULL); | |
2543 | ||
2544 | /** | |
2545 | * _ctl_sas_address_show - sas address | |
2546 | * @cdev - pointer to embedded class device | |
2547 | * @buf - the buffer returned | |
2548 | * | |
2549 | * This is the controller sas address | |
2550 | * | |
2551 | * A sysfs 'read-only' shost attribute. | |
2552 | */ | |
2553 | static ssize_t | |
2554 | _ctl_host_sas_address_show(struct device *cdev, struct device_attribute *attr, | |
2555 | char *buf) | |
2556 | { | |
2557 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2558 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2559 | ||
2560 | return snprintf(buf, PAGE_SIZE, "0x%016llx\n", | |
2561 | (unsigned long long)ioc->sas_hba.sas_address); | |
2562 | } | |
2563 | static DEVICE_ATTR(host_sas_address, S_IRUGO, | |
2564 | _ctl_host_sas_address_show, NULL); | |
2565 | ||
2566 | /** | |
2567 | * _ctl_logging_level_show - logging level | |
2568 | * @cdev - pointer to embedded class device | |
2569 | * @buf - the buffer returned | |
2570 | * | |
2571 | * A sysfs 'read/write' shost attribute. | |
2572 | */ | |
2573 | static ssize_t | |
2574 | _ctl_logging_level_show(struct device *cdev, struct device_attribute *attr, | |
2575 | char *buf) | |
2576 | { | |
2577 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2578 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2579 | ||
2580 | return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->logging_level); | |
2581 | } | |
2582 | static ssize_t | |
2583 | _ctl_logging_level_store(struct device *cdev, struct device_attribute *attr, | |
2584 | const char *buf, size_t count) | |
2585 | { | |
2586 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2587 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2588 | int val = 0; | |
2589 | ||
2590 | if (sscanf(buf, "%x", &val) != 1) | |
2591 | return -EINVAL; | |
2592 | ||
2593 | ioc->logging_level = val; | |
2594 | printk(MPT2SAS_INFO_FMT "logging_level=%08xh\n", ioc->name, | |
2595 | ioc->logging_level); | |
2596 | return strlen(buf); | |
2597 | } | |
2598 | static DEVICE_ATTR(logging_level, S_IRUGO | S_IWUSR, | |
2599 | _ctl_logging_level_show, _ctl_logging_level_store); | |
2600 | ||
fa7f3167 KD |
2601 | /* device attributes */ |
2602 | /* | |
2603 | * _ctl_fwfault_debug_show - show/store fwfault_debug | |
2604 | * @cdev - pointer to embedded class device | |
2605 | * @buf - the buffer returned | |
2606 | * | |
2607 | * mpt2sas_fwfault_debug is command line option | |
2608 | * A sysfs 'read/write' shost attribute. | |
2609 | */ | |
2610 | static ssize_t | |
2611 | _ctl_fwfault_debug_show(struct device *cdev, | |
2612 | struct device_attribute *attr, char *buf) | |
2613 | { | |
2614 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2615 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2616 | ||
2617 | return snprintf(buf, PAGE_SIZE, "%d\n", ioc->fwfault_debug); | |
2618 | } | |
2619 | static ssize_t | |
2620 | _ctl_fwfault_debug_store(struct device *cdev, | |
2621 | struct device_attribute *attr, const char *buf, size_t count) | |
2622 | { | |
2623 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2624 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2625 | int val = 0; | |
2626 | ||
2627 | if (sscanf(buf, "%d", &val) != 1) | |
2628 | return -EINVAL; | |
2629 | ||
2630 | ioc->fwfault_debug = val; | |
2631 | printk(MPT2SAS_INFO_FMT "fwfault_debug=%d\n", ioc->name, | |
2632 | ioc->fwfault_debug); | |
2633 | return strlen(buf); | |
2634 | } | |
2635 | static DEVICE_ATTR(fwfault_debug, S_IRUGO | S_IWUSR, | |
2636 | _ctl_fwfault_debug_show, _ctl_fwfault_debug_store); | |
2637 | ||
d32a8c15 KD |
2638 | |
2639 | /** | |
2640 | * _ctl_ioc_reset_count_show - ioc reset count | |
2641 | * @cdev - pointer to embedded class device | |
2642 | * @buf - the buffer returned | |
2643 | * | |
2644 | * This is firmware queue depth limit | |
2645 | * | |
2646 | * A sysfs 'read-only' shost attribute. | |
2647 | */ | |
2648 | static ssize_t | |
2649 | _ctl_ioc_reset_count_show(struct device *cdev, struct device_attribute *attr, | |
2650 | char *buf) | |
2651 | { | |
2652 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2653 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2654 | ||
2655 | return snprintf(buf, PAGE_SIZE, "%08d\n", ioc->ioc_reset_count); | |
2656 | } | |
2657 | static DEVICE_ATTR(ioc_reset_count, S_IRUGO, | |
2658 | _ctl_ioc_reset_count_show, NULL); | |
2659 | ||
911ae943 | 2660 | /** |
2661 | * _ctl_ioc_reply_queue_count_show - number of reply queues | |
2662 | * @cdev - pointer to embedded class device | |
2663 | * @buf - the buffer returned | |
2664 | * | |
2665 | * This is number of reply queues | |
2666 | * | |
2667 | * A sysfs 'read-only' shost attribute. | |
2668 | */ | |
2669 | static ssize_t | |
2670 | _ctl_ioc_reply_queue_count_show(struct device *cdev, | |
2671 | struct device_attribute *attr, char *buf) | |
2672 | { | |
2673 | u8 reply_queue_count; | |
2674 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2675 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2676 | ||
2677 | if ((ioc->facts.IOCCapabilities & | |
2678 | MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable) | |
2679 | reply_queue_count = ioc->reply_queue_count; | |
2680 | else | |
2681 | reply_queue_count = 1; | |
2682 | return snprintf(buf, PAGE_SIZE, "%d\n", reply_queue_count); | |
2683 | } | |
2684 | static DEVICE_ATTR(reply_queue_count, S_IRUGO, | |
2685 | _ctl_ioc_reply_queue_count_show, NULL); | |
2686 | ||
6c265660 | 2687 | /** |
2688 | * _ctl_BRM_status_show - Backup Rail Monitor Status | |
2689 | * @cdev - pointer to embedded class device | |
2690 | * @buf - the buffer returned | |
2691 | * | |
2692 | * This is number of reply queues | |
2693 | * | |
2694 | * A sysfs 'read-only' shost attribute. | |
2695 | */ | |
2696 | static ssize_t | |
2697 | _ctl_BRM_status_show(struct device *cdev, struct device_attribute *attr, | |
2698 | char *buf) | |
2699 | { | |
2700 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2701 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2702 | Mpi2IOUnitPage3_t *io_unit_pg3 = NULL; | |
2703 | Mpi2ConfigReply_t mpi_reply; | |
2704 | u16 backup_rail_monitor_status = 0; | |
2705 | u16 ioc_status; | |
2706 | int sz; | |
2707 | ssize_t rc = 0; | |
2708 | ||
2709 | if (!ioc->is_warpdrive) { | |
2710 | printk(MPT2SAS_ERR_FMT "%s: BRM attribute is only for"\ | |
2711 | "warpdrive\n", ioc->name, __func__); | |
2712 | goto out; | |
2713 | } | |
2714 | ||
2715 | /* allocate upto GPIOVal 36 entries */ | |
2716 | sz = offsetof(Mpi2IOUnitPage3_t, GPIOVal) + (sizeof(u16) * 36); | |
2717 | io_unit_pg3 = kzalloc(sz, GFP_KERNEL); | |
2718 | if (!io_unit_pg3) { | |
2719 | printk(MPT2SAS_ERR_FMT "%s: failed allocating memory"\ | |
2720 | "for iounit_pg3: (%d) bytes\n", ioc->name, __func__, sz); | |
2721 | goto out; | |
2722 | } | |
2723 | ||
2724 | if (mpt2sas_config_get_iounit_pg3(ioc, &mpi_reply, io_unit_pg3, sz) != | |
2725 | 0) { | |
2726 | printk(MPT2SAS_ERR_FMT | |
2727 | "%s: failed reading iounit_pg3\n", ioc->name, | |
2728 | __func__); | |
2729 | goto out; | |
2730 | } | |
2731 | ||
2732 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; | |
2733 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
2734 | printk(MPT2SAS_ERR_FMT "%s: iounit_pg3 failed with"\ | |
2735 | "ioc_status(0x%04x)\n", ioc->name, __func__, ioc_status); | |
2736 | goto out; | |
2737 | } | |
2738 | ||
2739 | if (io_unit_pg3->GPIOCount < 25) { | |
2740 | printk(MPT2SAS_ERR_FMT "%s: iounit_pg3->GPIOCount less than"\ | |
2741 | "25 entries, detected (%d) entries\n", ioc->name, __func__, | |
2742 | io_unit_pg3->GPIOCount); | |
2743 | goto out; | |
2744 | } | |
2745 | ||
2746 | /* BRM status is in bit zero of GPIOVal[24] */ | |
2747 | backup_rail_monitor_status = le16_to_cpu(io_unit_pg3->GPIOVal[24]); | |
2748 | rc = snprintf(buf, PAGE_SIZE, "%d\n", (backup_rail_monitor_status & 1)); | |
2749 | ||
2750 | out: | |
2751 | kfree(io_unit_pg3); | |
2752 | return rc; | |
2753 | } | |
2754 | static DEVICE_ATTR(BRM_status, S_IRUGO, _ctl_BRM_status_show, NULL); | |
2755 | ||
570c67ac | 2756 | struct DIAG_BUFFER_START { |
c97951ec KD |
2757 | __le32 Size; |
2758 | __le32 DiagVersion; | |
570c67ac KD |
2759 | u8 BufferType; |
2760 | u8 Reserved[3]; | |
c97951ec KD |
2761 | __le32 Reserved1; |
2762 | __le32 Reserved2; | |
2763 | __le32 Reserved3; | |
570c67ac KD |
2764 | }; |
2765 | /** | |
2766 | * _ctl_host_trace_buffer_size_show - host buffer size (trace only) | |
2767 | * @cdev - pointer to embedded class device | |
2768 | * @buf - the buffer returned | |
2769 | * | |
2770 | * A sysfs 'read-only' shost attribute. | |
2771 | */ | |
2772 | static ssize_t | |
2773 | _ctl_host_trace_buffer_size_show(struct device *cdev, | |
2774 | struct device_attribute *attr, char *buf) | |
2775 | { | |
2776 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2777 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2778 | u32 size = 0; | |
2779 | struct DIAG_BUFFER_START *request_data; | |
2780 | ||
2781 | if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) { | |
2782 | printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not " | |
2783 | "registered\n", ioc->name, __func__); | |
2784 | return 0; | |
2785 | } | |
2786 | ||
2787 | if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2788 | MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) { | |
2789 | printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not " | |
2790 | "registered\n", ioc->name, __func__); | |
2791 | return 0; | |
2792 | } | |
2793 | ||
2794 | request_data = (struct DIAG_BUFFER_START *) | |
2795 | ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]; | |
2796 | if ((le32_to_cpu(request_data->DiagVersion) == 0x00000000 || | |
2797 | le32_to_cpu(request_data->DiagVersion) == 0x01000000) && | |
2798 | le32_to_cpu(request_data->Reserved3) == 0x4742444c) | |
2799 | size = le32_to_cpu(request_data->Size); | |
2800 | ||
2801 | ioc->ring_buffer_sz = size; | |
2802 | return snprintf(buf, PAGE_SIZE, "%d\n", size); | |
2803 | } | |
2804 | static DEVICE_ATTR(host_trace_buffer_size, S_IRUGO, | |
2805 | _ctl_host_trace_buffer_size_show, NULL); | |
2806 | ||
2807 | /** | |
2808 | * _ctl_host_trace_buffer_show - firmware ring buffer (trace only) | |
2809 | * @cdev - pointer to embedded class device | |
2810 | * @buf - the buffer returned | |
2811 | * | |
2812 | * A sysfs 'read/write' shost attribute. | |
2813 | * | |
2814 | * You will only be able to read 4k bytes of ring buffer at a time. | |
2815 | * In order to read beyond 4k bytes, you will have to write out the | |
2816 | * offset to the same attribute, it will move the pointer. | |
2817 | */ | |
2818 | static ssize_t | |
2819 | _ctl_host_trace_buffer_show(struct device *cdev, struct device_attribute *attr, | |
2820 | char *buf) | |
2821 | { | |
2822 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2823 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2824 | void *request_data; | |
2825 | u32 size; | |
2826 | ||
2827 | if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) { | |
2828 | printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not " | |
2829 | "registered\n", ioc->name, __func__); | |
2830 | return 0; | |
2831 | } | |
2832 | ||
2833 | if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2834 | MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) { | |
2835 | printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not " | |
2836 | "registered\n", ioc->name, __func__); | |
2837 | return 0; | |
2838 | } | |
2839 | ||
2840 | if (ioc->ring_buffer_offset > ioc->ring_buffer_sz) | |
2841 | return 0; | |
2842 | ||
2843 | size = ioc->ring_buffer_sz - ioc->ring_buffer_offset; | |
2844 | size = (size > PAGE_SIZE) ? PAGE_SIZE : size; | |
2845 | request_data = ioc->diag_buffer[0] + ioc->ring_buffer_offset; | |
2846 | memcpy(buf, request_data, size); | |
2847 | return size; | |
2848 | } | |
2849 | ||
2850 | static ssize_t | |
2851 | _ctl_host_trace_buffer_store(struct device *cdev, struct device_attribute *attr, | |
2852 | const char *buf, size_t count) | |
2853 | { | |
2854 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2855 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2856 | int val = 0; | |
2857 | ||
2858 | if (sscanf(buf, "%d", &val) != 1) | |
2859 | return -EINVAL; | |
2860 | ||
2861 | ioc->ring_buffer_offset = val; | |
2862 | return strlen(buf); | |
2863 | } | |
2864 | static DEVICE_ATTR(host_trace_buffer, S_IRUGO | S_IWUSR, | |
2865 | _ctl_host_trace_buffer_show, _ctl_host_trace_buffer_store); | |
2866 | ||
2867 | /*****************************************/ | |
2868 | ||
2869 | /** | |
2870 | * _ctl_host_trace_buffer_enable_show - firmware ring buffer (trace only) | |
2871 | * @cdev - pointer to embedded class device | |
2872 | * @buf - the buffer returned | |
2873 | * | |
2874 | * A sysfs 'read/write' shost attribute. | |
2875 | * | |
2876 | * This is a mechnism to post/release host_trace_buffers | |
2877 | */ | |
2878 | static ssize_t | |
2879 | _ctl_host_trace_buffer_enable_show(struct device *cdev, | |
2880 | struct device_attribute *attr, char *buf) | |
2881 | { | |
2882 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2883 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2884 | ||
2885 | if ((!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) || | |
2886 | ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2887 | MPT2_DIAG_BUFFER_IS_REGISTERED) == 0)) | |
2888 | return snprintf(buf, PAGE_SIZE, "off\n"); | |
2889 | else if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2890 | MPT2_DIAG_BUFFER_IS_RELEASED)) | |
2891 | return snprintf(buf, PAGE_SIZE, "release\n"); | |
2892 | else | |
2893 | return snprintf(buf, PAGE_SIZE, "post\n"); | |
2894 | } | |
2895 | ||
2896 | static ssize_t | |
2897 | _ctl_host_trace_buffer_enable_store(struct device *cdev, | |
2898 | struct device_attribute *attr, const char *buf, size_t count) | |
2899 | { | |
2900 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2901 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2902 | char str[10] = ""; | |
2903 | struct mpt2_diag_register diag_register; | |
2904 | u8 issue_reset = 0; | |
2905 | ||
298c794d | 2906 | if (sscanf(buf, "%9s", str) != 1) |
570c67ac KD |
2907 | return -EINVAL; |
2908 | ||
2909 | if (!strcmp(str, "post")) { | |
2910 | /* exit out if host buffers are already posted */ | |
2911 | if ((ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) && | |
2912 | (ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2913 | MPT2_DIAG_BUFFER_IS_REGISTERED) && | |
2914 | ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2915 | MPT2_DIAG_BUFFER_IS_RELEASED) == 0)) | |
2916 | goto out; | |
2917 | memset(&diag_register, 0, sizeof(struct mpt2_diag_register)); | |
2918 | printk(MPT2SAS_INFO_FMT "posting host trace buffers\n", | |
2919 | ioc->name); | |
2920 | diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_TRACE; | |
2921 | diag_register.requested_buffer_size = (1024 * 1024); | |
2922 | diag_register.unique_id = 0x7075900; | |
2923 | ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] = 0; | |
2924 | _ctl_diag_register_2(ioc, &diag_register); | |
2925 | } else if (!strcmp(str, "release")) { | |
2926 | /* exit out if host buffers are already released */ | |
2927 | if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) | |
2928 | goto out; | |
2929 | if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2930 | MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) | |
2931 | goto out; | |
2932 | if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2933 | MPT2_DIAG_BUFFER_IS_RELEASED)) | |
2934 | goto out; | |
2935 | printk(MPT2SAS_INFO_FMT "releasing host trace buffer\n", | |
2936 | ioc->name); | |
2937 | _ctl_send_release(ioc, MPI2_DIAG_BUF_TYPE_TRACE, &issue_reset); | |
2938 | } | |
2939 | ||
2940 | out: | |
2941 | return strlen(buf); | |
2942 | } | |
2943 | static DEVICE_ATTR(host_trace_buffer_enable, S_IRUGO | S_IWUSR, | |
2944 | _ctl_host_trace_buffer_enable_show, _ctl_host_trace_buffer_enable_store); | |
d32a8c15 | 2945 | |
635374e7 EM |
2946 | struct device_attribute *mpt2sas_host_attrs[] = { |
2947 | &dev_attr_version_fw, | |
2948 | &dev_attr_version_bios, | |
2949 | &dev_attr_version_mpi, | |
2950 | &dev_attr_version_product, | |
2951 | &dev_attr_version_nvdata_persistent, | |
2952 | &dev_attr_version_nvdata_default, | |
2953 | &dev_attr_board_name, | |
2954 | &dev_attr_board_assembly, | |
2955 | &dev_attr_board_tracer, | |
2956 | &dev_attr_io_delay, | |
2957 | &dev_attr_device_delay, | |
2958 | &dev_attr_logging_level, | |
fa7f3167 | 2959 | &dev_attr_fwfault_debug, |
635374e7 EM |
2960 | &dev_attr_fw_queue_depth, |
2961 | &dev_attr_host_sas_address, | |
d32a8c15 | 2962 | &dev_attr_ioc_reset_count, |
570c67ac KD |
2963 | &dev_attr_host_trace_buffer_size, |
2964 | &dev_attr_host_trace_buffer, | |
2965 | &dev_attr_host_trace_buffer_enable, | |
911ae943 | 2966 | &dev_attr_reply_queue_count, |
6c265660 | 2967 | &dev_attr_BRM_status, |
635374e7 EM |
2968 | NULL, |
2969 | }; | |
2970 | ||
635374e7 EM |
2971 | /** |
2972 | * _ctl_device_sas_address_show - sas address | |
2973 | * @cdev - pointer to embedded class device | |
2974 | * @buf - the buffer returned | |
2975 | * | |
2976 | * This is the sas address for the target | |
2977 | * | |
2978 | * A sysfs 'read-only' shost attribute. | |
2979 | */ | |
2980 | static ssize_t | |
2981 | _ctl_device_sas_address_show(struct device *dev, struct device_attribute *attr, | |
2982 | char *buf) | |
2983 | { | |
2984 | struct scsi_device *sdev = to_scsi_device(dev); | |
2985 | struct MPT2SAS_DEVICE *sas_device_priv_data = sdev->hostdata; | |
2986 | ||
2987 | return snprintf(buf, PAGE_SIZE, "0x%016llx\n", | |
2988 | (unsigned long long)sas_device_priv_data->sas_target->sas_address); | |
2989 | } | |
2990 | static DEVICE_ATTR(sas_address, S_IRUGO, _ctl_device_sas_address_show, NULL); | |
2991 | ||
2992 | /** | |
2993 | * _ctl_device_handle_show - device handle | |
2994 | * @cdev - pointer to embedded class device | |
2995 | * @buf - the buffer returned | |
2996 | * | |
2997 | * This is the firmware assigned device handle | |
2998 | * | |
2999 | * A sysfs 'read-only' shost attribute. | |
3000 | */ | |
3001 | static ssize_t | |
3002 | _ctl_device_handle_show(struct device *dev, struct device_attribute *attr, | |
3003 | char *buf) | |
3004 | { | |
3005 | struct scsi_device *sdev = to_scsi_device(dev); | |
3006 | struct MPT2SAS_DEVICE *sas_device_priv_data = sdev->hostdata; | |
3007 | ||
3008 | return snprintf(buf, PAGE_SIZE, "0x%04x\n", | |
3009 | sas_device_priv_data->sas_target->handle); | |
3010 | } | |
3011 | static DEVICE_ATTR(sas_device_handle, S_IRUGO, _ctl_device_handle_show, NULL); | |
3012 | ||
3013 | struct device_attribute *mpt2sas_dev_attrs[] = { | |
3014 | &dev_attr_sas_address, | |
3015 | &dev_attr_sas_device_handle, | |
3016 | NULL, | |
3017 | }; | |
3018 | ||
3019 | static const struct file_operations ctl_fops = { | |
3020 | .owner = THIS_MODULE, | |
3021 | .unlocked_ioctl = _ctl_ioctl, | |
635374e7 EM |
3022 | .poll = _ctl_poll, |
3023 | .fasync = _ctl_fasync, | |
3024 | #ifdef CONFIG_COMPAT | |
3025 | .compat_ioctl = _ctl_ioctl_compat, | |
3026 | #endif | |
6038f373 | 3027 | .llseek = noop_llseek, |
635374e7 EM |
3028 | }; |
3029 | ||
3030 | static struct miscdevice ctl_dev = { | |
3031 | .minor = MPT2SAS_MINOR, | |
3032 | .name = MPT2SAS_DEV_NAME, | |
3033 | .fops = &ctl_fops, | |
3034 | }; | |
3035 | ||
3036 | /** | |
3037 | * mpt2sas_ctl_init - main entry point for ctl. | |
3038 | * | |
3039 | */ | |
3040 | void | |
3041 | mpt2sas_ctl_init(void) | |
3042 | { | |
3043 | async_queue = NULL; | |
3044 | if (misc_register(&ctl_dev) < 0) | |
3045 | printk(KERN_ERR "%s can't register misc device [minor=%d]\n", | |
3046 | MPT2SAS_DRIVER_NAME, MPT2SAS_MINOR); | |
3047 | ||
3048 | init_waitqueue_head(&ctl_poll_wait); | |
3049 | } | |
3050 | ||
3051 | /** | |
3052 | * mpt2sas_ctl_exit - exit point for ctl | |
3053 | * | |
3054 | */ | |
3055 | void | |
3056 | mpt2sas_ctl_exit(void) | |
3057 | { | |
3058 | struct MPT2SAS_ADAPTER *ioc; | |
3059 | int i; | |
3060 | ||
ba33fadf | 3061 | list_for_each_entry(ioc, &mpt2sas_ioc_list, list) { |
635374e7 EM |
3062 | |
3063 | /* free memory associated to diag buffers */ | |
3064 | for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { | |
3065 | if (!ioc->diag_buffer[i]) | |
3066 | continue; | |
3067 | pci_free_consistent(ioc->pdev, ioc->diag_buffer_sz[i], | |
3068 | ioc->diag_buffer[i], ioc->diag_buffer_dma[i]); | |
3069 | ioc->diag_buffer[i] = NULL; | |
3070 | ioc->diag_buffer_status[i] = 0; | |
3071 | } | |
3072 | ||
3073 | kfree(ioc->event_log); | |
3074 | } | |
3075 | misc_deregister(&ctl_dev); | |
3076 | } | |
3077 |