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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; | |
6229b414 NN |
430 | /* global ioc lock to protect controller on list operations */ |
431 | spin_lock(&gioc_lock); | |
ba33fadf | 432 | list_for_each_entry(ioc, &mpt2sas_ioc_list, list) { |
635374e7 EM |
433 | if (ioc->id != ioc_number) |
434 | continue; | |
6229b414 | 435 | spin_unlock(&gioc_lock); |
635374e7 EM |
436 | *iocpp = ioc; |
437 | return ioc_number; | |
438 | } | |
6229b414 | 439 | spin_unlock(&gioc_lock); |
635374e7 EM |
440 | *iocpp = NULL; |
441 | return -1; | |
442 | } | |
443 | ||
444 | /** | |
445 | * mpt2sas_ctl_reset_handler - reset callback handler (for ctl) | |
446 | * @ioc: per adapter object | |
447 | * @reset_phase: phase | |
448 | * | |
449 | * The handler for doing any required cleanup or initialization. | |
450 | * | |
451 | * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET, | |
452 | * MPT2_IOC_DONE_RESET | |
453 | */ | |
454 | void | |
455 | mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) | |
456 | { | |
99bb214b EM |
457 | int i; |
458 | u8 issue_reset; | |
459 | ||
635374e7 EM |
460 | switch (reset_phase) { |
461 | case MPT2_IOC_PRE_RESET: | |
eabb08ad | 462 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
635374e7 | 463 | "MPT2_IOC_PRE_RESET\n", ioc->name, __func__)); |
99bb214b EM |
464 | for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { |
465 | if (!(ioc->diag_buffer_status[i] & | |
466 | MPT2_DIAG_BUFFER_IS_REGISTERED)) | |
467 | continue; | |
468 | if ((ioc->diag_buffer_status[i] & | |
469 | MPT2_DIAG_BUFFER_IS_RELEASED)) | |
470 | continue; | |
471 | _ctl_send_release(ioc, i, &issue_reset); | |
472 | } | |
635374e7 EM |
473 | break; |
474 | case MPT2_IOC_AFTER_RESET: | |
eabb08ad | 475 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
635374e7 EM |
476 | "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__)); |
477 | if (ioc->ctl_cmds.status & MPT2_CMD_PENDING) { | |
478 | ioc->ctl_cmds.status |= MPT2_CMD_RESET; | |
479 | mpt2sas_base_free_smid(ioc, ioc->ctl_cmds.smid); | |
480 | complete(&ioc->ctl_cmds.done); | |
481 | } | |
482 | break; | |
483 | case MPT2_IOC_DONE_RESET: | |
eabb08ad | 484 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
635374e7 | 485 | "MPT2_IOC_DONE_RESET\n", ioc->name, __func__)); |
99bb214b EM |
486 | |
487 | for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { | |
488 | if (!(ioc->diag_buffer_status[i] & | |
489 | MPT2_DIAG_BUFFER_IS_REGISTERED)) | |
490 | continue; | |
491 | if ((ioc->diag_buffer_status[i] & | |
492 | MPT2_DIAG_BUFFER_IS_RELEASED)) | |
493 | continue; | |
494 | ioc->diag_buffer_status[i] |= | |
495 | MPT2_DIAG_BUFFER_IS_DIAG_RESET; | |
496 | } | |
635374e7 EM |
497 | break; |
498 | } | |
499 | } | |
500 | ||
501 | /** | |
502 | * _ctl_fasync - | |
503 | * @fd - | |
504 | * @filep - | |
505 | * @mode - | |
506 | * | |
507 | * Called when application request fasyn callback handler. | |
508 | */ | |
509 | static int | |
510 | _ctl_fasync(int fd, struct file *filep, int mode) | |
511 | { | |
512 | return fasync_helper(fd, filep, mode, &async_queue); | |
513 | } | |
514 | ||
635374e7 EM |
515 | /** |
516 | * _ctl_poll - | |
517 | * @file - | |
518 | * @wait - | |
519 | * | |
520 | */ | |
521 | static unsigned int | |
522 | _ctl_poll(struct file *filep, poll_table *wait) | |
523 | { | |
524 | struct MPT2SAS_ADAPTER *ioc; | |
525 | ||
526 | poll_wait(filep, &ctl_poll_wait, wait); | |
527 | ||
6229b414 NN |
528 | /* global ioc lock to protect controller on list operations */ |
529 | spin_lock(&gioc_lock); | |
ba33fadf | 530 | list_for_each_entry(ioc, &mpt2sas_ioc_list, list) { |
6229b414 NN |
531 | if (ioc->aen_event_read_flag) { |
532 | spin_unlock(&gioc_lock); | |
635374e7 | 533 | return POLLIN | POLLRDNORM; |
6229b414 | 534 | } |
635374e7 | 535 | } |
6229b414 | 536 | spin_unlock(&gioc_lock); |
635374e7 EM |
537 | return 0; |
538 | } | |
539 | ||
540 | /** | |
ddf59a35 | 541 | * _ctl_set_task_mid - assign an active smid to tm request |
635374e7 EM |
542 | * @ioc: per adapter object |
543 | * @karg - (struct mpt2_ioctl_command) | |
544 | * @tm_request - pointer to mf from user space | |
545 | * | |
546 | * Returns 0 when an smid if found, else fail. | |
547 | * during failure, the reply frame is filled. | |
548 | */ | |
549 | static int | |
ddf59a35 | 550 | _ctl_set_task_mid(struct MPT2SAS_ADAPTER *ioc, struct mpt2_ioctl_command *karg, |
635374e7 EM |
551 | Mpi2SCSITaskManagementRequest_t *tm_request) |
552 | { | |
553 | u8 found = 0; | |
554 | u16 i; | |
555 | u16 handle; | |
556 | struct scsi_cmnd *scmd; | |
557 | struct MPT2SAS_DEVICE *priv_data; | |
558 | unsigned long flags; | |
559 | Mpi2SCSITaskManagementReply_t *tm_reply; | |
560 | u32 sz; | |
561 | u32 lun; | |
ddf59a35 EM |
562 | char *desc = NULL; |
563 | ||
564 | if (tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK) | |
565 | desc = "abort_task"; | |
566 | else if (tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK) | |
567 | desc = "query_task"; | |
568 | else | |
569 | return 0; | |
635374e7 EM |
570 | |
571 | lun = scsilun_to_int((struct scsi_lun *)tm_request->LUN); | |
572 | ||
573 | handle = le16_to_cpu(tm_request->DevHandle); | |
574 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); | |
595bb0bd | 575 | for (i = ioc->scsiio_depth; i && !found; i--) { |
635374e7 EM |
576 | scmd = ioc->scsi_lookup[i - 1].scmd; |
577 | if (scmd == NULL || scmd->device == NULL || | |
578 | scmd->device->hostdata == NULL) | |
579 | continue; | |
580 | if (lun != scmd->device->lun) | |
581 | continue; | |
582 | priv_data = scmd->device->hostdata; | |
583 | if (priv_data->sas_target == NULL) | |
584 | continue; | |
585 | if (priv_data->sas_target->handle != handle) | |
586 | continue; | |
587 | tm_request->TaskMID = cpu_to_le16(ioc->scsi_lookup[i - 1].smid); | |
588 | found = 1; | |
589 | } | |
590 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); | |
591 | ||
592 | if (!found) { | |
eabb08ad | 593 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
ddf59a35 | 594 | "handle(0x%04x), lun(%d), no active mid!!\n", ioc->name, |
e94f6747 | 595 | desc, le16_to_cpu(tm_request->DevHandle), lun)); |
635374e7 EM |
596 | tm_reply = ioc->ctl_cmds.reply; |
597 | tm_reply->DevHandle = tm_request->DevHandle; | |
598 | tm_reply->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; | |
ddf59a35 | 599 | tm_reply->TaskType = tm_request->TaskType; |
635374e7 EM |
600 | tm_reply->MsgLength = sizeof(Mpi2SCSITaskManagementReply_t)/4; |
601 | tm_reply->VP_ID = tm_request->VP_ID; | |
602 | tm_reply->VF_ID = tm_request->VF_ID; | |
603 | sz = min_t(u32, karg->max_reply_bytes, ioc->reply_sz); | |
604 | if (copy_to_user(karg->reply_frame_buf_ptr, ioc->ctl_cmds.reply, | |
605 | sz)) | |
606 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, | |
607 | __LINE__, __func__); | |
608 | return 1; | |
609 | } | |
610 | ||
eabb08ad | 611 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
ddf59a35 | 612 | "handle(0x%04x), lun(%d), task_mid(%d)\n", ioc->name, |
e94f6747 KD |
613 | desc, le16_to_cpu(tm_request->DevHandle), lun, |
614 | le16_to_cpu(tm_request->TaskMID))); | |
635374e7 EM |
615 | return 0; |
616 | } | |
617 | ||
618 | /** | |
619 | * _ctl_do_mpt_command - main handler for MPT2COMMAND opcode | |
620 | * @ioc: per adapter object | |
621 | * @karg - (struct mpt2_ioctl_command) | |
622 | * @mf - pointer to mf in user space | |
635374e7 EM |
623 | */ |
624 | static long | |
913809f6 | 625 | _ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc, struct mpt2_ioctl_command karg, |
626 | void __user *mf) | |
635374e7 | 627 | { |
1bbfa378 | 628 | MPI2RequestHeader_t *mpi_request = NULL, *request; |
635374e7 EM |
629 | MPI2DefaultReply_t *mpi_reply; |
630 | u32 ioc_state; | |
631 | u16 ioc_status; | |
632 | u16 smid; | |
633 | unsigned long timeout, timeleft; | |
634 | u8 issue_reset; | |
635 | u32 sz; | |
636 | void *psge; | |
635374e7 EM |
637 | void *data_out = NULL; |
638 | dma_addr_t data_out_dma; | |
639 | size_t data_out_sz = 0; | |
640 | void *data_in = NULL; | |
641 | dma_addr_t data_in_dma; | |
642 | size_t data_in_sz = 0; | |
643 | u32 sgl_flags; | |
644 | long ret; | |
645 | u16 wait_state_count; | |
646 | ||
647 | issue_reset = 0; | |
648 | ||
635374e7 EM |
649 | if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) { |
650 | printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n", | |
651 | ioc->name, __func__); | |
652 | ret = -EAGAIN; | |
653 | goto out; | |
654 | } | |
655 | ||
656 | wait_state_count = 0; | |
657 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
658 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
659 | if (wait_state_count++ == 10) { | |
660 | printk(MPT2SAS_ERR_FMT | |
661 | "%s: failed due to ioc not operational\n", | |
662 | ioc->name, __func__); | |
663 | ret = -EFAULT; | |
664 | goto out; | |
665 | } | |
666 | ssleep(1); | |
667 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
668 | printk(MPT2SAS_INFO_FMT "%s: waiting for " | |
669 | "operational state(count=%d)\n", ioc->name, | |
670 | __func__, wait_state_count); | |
671 | } | |
672 | if (wait_state_count) | |
673 | printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n", | |
674 | ioc->name, __func__); | |
675 | ||
1bbfa378 KD |
676 | mpi_request = kzalloc(ioc->request_sz, GFP_KERNEL); |
677 | if (!mpi_request) { | |
678 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a memory for " | |
679 | "mpi_request\n", ioc->name, __func__); | |
680 | ret = -ENOMEM; | |
635374e7 EM |
681 | goto out; |
682 | } | |
683 | ||
a1f74ae8 DR |
684 | /* Check for overflow and wraparound */ |
685 | if (karg.data_sge_offset * 4 > ioc->request_sz || | |
686 | karg.data_sge_offset > (UINT_MAX / 4)) { | |
687 | ret = -EINVAL; | |
688 | goto out; | |
689 | } | |
690 | ||
635374e7 EM |
691 | /* copy in request message frame from user */ |
692 | if (copy_from_user(mpi_request, mf, karg.data_sge_offset*4)) { | |
693 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, __LINE__, | |
694 | __func__); | |
695 | ret = -EFAULT; | |
635374e7 EM |
696 | goto out; |
697 | } | |
698 | ||
1bbfa378 KD |
699 | if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) { |
700 | smid = mpt2sas_base_get_smid_hpr(ioc, ioc->ctl_cb_idx); | |
701 | if (!smid) { | |
702 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
703 | ioc->name, __func__); | |
704 | ret = -EAGAIN; | |
705 | goto out; | |
706 | } | |
707 | } else { | |
708 | ||
709 | smid = mpt2sas_base_get_smid_scsiio(ioc, ioc->ctl_cb_idx, NULL); | |
710 | if (!smid) { | |
711 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
712 | ioc->name, __func__); | |
713 | ret = -EAGAIN; | |
714 | goto out; | |
715 | } | |
716 | } | |
717 | ||
718 | ret = 0; | |
719 | ioc->ctl_cmds.status = MPT2_CMD_PENDING; | |
720 | memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); | |
721 | request = mpt2sas_base_get_msg_frame(ioc, smid); | |
722 | memcpy(request, mpi_request, karg.data_sge_offset*4); | |
723 | ioc->ctl_cmds.smid = smid; | |
724 | data_out_sz = karg.data_out_size; | |
725 | data_in_sz = karg.data_in_size; | |
726 | ||
635374e7 EM |
727 | if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || |
728 | mpi_request->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) { | |
e94f6747 KD |
729 | if (!le16_to_cpu(mpi_request->FunctionDependent1) || |
730 | le16_to_cpu(mpi_request->FunctionDependent1) > | |
731 | ioc->facts.MaxDevHandle) { | |
635374e7 EM |
732 | ret = -EINVAL; |
733 | mpt2sas_base_free_smid(ioc, smid); | |
734 | goto out; | |
735 | } | |
736 | } | |
737 | ||
738 | /* obtain dma-able memory for data transfer */ | |
739 | if (data_out_sz) /* WRITE */ { | |
740 | data_out = pci_alloc_consistent(ioc->pdev, data_out_sz, | |
741 | &data_out_dma); | |
742 | if (!data_out) { | |
743 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, | |
744 | __LINE__, __func__); | |
745 | ret = -ENOMEM; | |
746 | mpt2sas_base_free_smid(ioc, smid); | |
747 | goto out; | |
748 | } | |
749 | if (copy_from_user(data_out, karg.data_out_buf_ptr, | |
750 | data_out_sz)) { | |
751 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, | |
752 | __LINE__, __func__); | |
753 | ret = -EFAULT; | |
754 | mpt2sas_base_free_smid(ioc, smid); | |
755 | goto out; | |
756 | } | |
757 | } | |
758 | ||
759 | if (data_in_sz) /* READ */ { | |
760 | data_in = pci_alloc_consistent(ioc->pdev, data_in_sz, | |
761 | &data_in_dma); | |
762 | if (!data_in) { | |
763 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, | |
764 | __LINE__, __func__); | |
765 | ret = -ENOMEM; | |
766 | mpt2sas_base_free_smid(ioc, smid); | |
767 | goto out; | |
768 | } | |
769 | } | |
770 | ||
771 | /* add scatter gather elements */ | |
1bbfa378 | 772 | psge = (void *)request + (karg.data_sge_offset*4); |
635374e7 EM |
773 | |
774 | if (!data_out_sz && !data_in_sz) { | |
775 | mpt2sas_base_build_zero_len_sge(ioc, psge); | |
776 | } else if (data_out_sz && data_in_sz) { | |
777 | /* WRITE sgel first */ | |
778 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
779 | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC); | |
780 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
781 | ioc->base_add_sg_single(psge, sgl_flags | | |
782 | data_out_sz, data_out_dma); | |
783 | ||
784 | /* incr sgel */ | |
785 | psge += ioc->sge_size; | |
786 | ||
787 | /* READ sgel last */ | |
788 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
789 | MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | | |
790 | MPI2_SGE_FLAGS_END_OF_LIST); | |
791 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
792 | ioc->base_add_sg_single(psge, sgl_flags | | |
793 | data_in_sz, data_in_dma); | |
794 | } else if (data_out_sz) /* WRITE */ { | |
795 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
796 | MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | | |
797 | MPI2_SGE_FLAGS_END_OF_LIST | MPI2_SGE_FLAGS_HOST_TO_IOC); | |
798 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
799 | ioc->base_add_sg_single(psge, sgl_flags | | |
800 | data_out_sz, data_out_dma); | |
801 | } else if (data_in_sz) /* READ */ { | |
802 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
803 | MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | | |
804 | MPI2_SGE_FLAGS_END_OF_LIST); | |
805 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
806 | ioc->base_add_sg_single(psge, sgl_flags | | |
807 | data_in_sz, data_in_dma); | |
808 | } | |
809 | ||
810 | /* send command to firmware */ | |
811 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
812 | _ctl_display_some_debug(ioc, smid, "ctl_request", NULL); | |
813 | #endif | |
814 | ||
f01690d3 | 815 | init_completion(&ioc->ctl_cmds.done); |
635374e7 EM |
816 | switch (mpi_request->Function) { |
817 | case MPI2_FUNCTION_SCSI_IO_REQUEST: | |
818 | case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: | |
819 | { | |
820 | Mpi2SCSIIORequest_t *scsiio_request = | |
1bbfa378 | 821 | (Mpi2SCSIIORequest_t *)request; |
769578ff | 822 | scsiio_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE; |
635374e7 | 823 | scsiio_request->SenseBufferLowAddress = |
ec9472c7 | 824 | mpt2sas_base_get_sense_buffer_dma(ioc, smid); |
769578ff | 825 | memset(ioc->ctl_cmds.sense, 0, SCSI_SENSE_BUFFERSIZE); |
ebda4d38 KD |
826 | if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST) |
827 | mpt2sas_base_put_smid_scsi_io(ioc, smid, | |
828 | le16_to_cpu(mpi_request->FunctionDependent1)); | |
829 | else | |
830 | mpt2sas_base_put_smid_default(ioc, smid); | |
635374e7 EM |
831 | break; |
832 | } | |
833 | case MPI2_FUNCTION_SCSI_TASK_MGMT: | |
834 | { | |
835 | Mpi2SCSITaskManagementRequest_t *tm_request = | |
1bbfa378 | 836 | (Mpi2SCSITaskManagementRequest_t *)request; |
635374e7 | 837 | |
eabb08ad | 838 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "TASK_MGMT: " |
8ed9a03a KD |
839 | "handle(0x%04x), task_type(0x%02x)\n", ioc->name, |
840 | le16_to_cpu(tm_request->DevHandle), tm_request->TaskType)); | |
841 | ||
635374e7 | 842 | if (tm_request->TaskType == |
ddf59a35 EM |
843 | MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK || |
844 | tm_request->TaskType == | |
845 | MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK) { | |
846 | if (_ctl_set_task_mid(ioc, &karg, tm_request)) { | |
77bdd9ee | 847 | mpt2sas_base_free_smid(ioc, smid); |
635374e7 | 848 | goto out; |
77bdd9ee | 849 | } |
635374e7 EM |
850 | } |
851 | ||
635374e7 EM |
852 | mpt2sas_scsih_set_tm_flag(ioc, le16_to_cpu( |
853 | tm_request->DevHandle)); | |
7b936b02 | 854 | mpt2sas_base_put_smid_hi_priority(ioc, smid); |
635374e7 EM |
855 | break; |
856 | } | |
857 | case MPI2_FUNCTION_SMP_PASSTHROUGH: | |
858 | { | |
859 | Mpi2SmpPassthroughRequest_t *smp_request = | |
860 | (Mpi2SmpPassthroughRequest_t *)mpi_request; | |
861 | u8 *data; | |
862 | ||
863 | /* ioc determines which port to use */ | |
864 | smp_request->PhysicalPort = 0xFF; | |
865 | if (smp_request->PassthroughFlags & | |
866 | MPI2_SMP_PT_REQ_PT_FLAGS_IMMEDIATE) | |
867 | data = (u8 *)&smp_request->SGL; | |
298c794d | 868 | else { |
869 | if (unlikely(data_out == NULL)) { | |
870 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
871 | __FILE__, __LINE__, __func__); | |
872 | mpt2sas_base_free_smid(ioc, smid); | |
873 | ret = -EINVAL; | |
874 | goto out; | |
875 | } | |
635374e7 | 876 | data = data_out; |
298c794d | 877 | } |
635374e7 EM |
878 | |
879 | if (data[1] == 0x91 && (data[10] == 1 || data[10] == 2)) { | |
880 | ioc->ioc_link_reset_in_progress = 1; | |
881 | ioc->ignore_loginfos = 1; | |
882 | } | |
7b936b02 | 883 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
884 | break; |
885 | } | |
886 | case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL: | |
887 | { | |
888 | Mpi2SasIoUnitControlRequest_t *sasiounit_request = | |
889 | (Mpi2SasIoUnitControlRequest_t *)mpi_request; | |
890 | ||
891 | if (sasiounit_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET | |
892 | || sasiounit_request->Operation == | |
893 | MPI2_SAS_OP_PHY_LINK_RESET) { | |
894 | ioc->ioc_link_reset_in_progress = 1; | |
895 | ioc->ignore_loginfos = 1; | |
896 | } | |
7b936b02 | 897 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
898 | break; |
899 | } | |
900 | default: | |
7b936b02 | 901 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
902 | break; |
903 | } | |
904 | ||
905 | if (karg.timeout < MPT2_IOCTL_DEFAULT_TIMEOUT) | |
906 | timeout = MPT2_IOCTL_DEFAULT_TIMEOUT; | |
907 | else | |
908 | timeout = karg.timeout; | |
909 | timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, | |
910 | timeout*HZ); | |
911 | if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) { | |
912 | Mpi2SCSITaskManagementRequest_t *tm_request = | |
913 | (Mpi2SCSITaskManagementRequest_t *)mpi_request; | |
635374e7 EM |
914 | mpt2sas_scsih_clear_tm_flag(ioc, le16_to_cpu( |
915 | tm_request->DevHandle)); | |
916 | } else if ((mpi_request->Function == MPI2_FUNCTION_SMP_PASSTHROUGH || | |
917 | mpi_request->Function == MPI2_FUNCTION_SAS_IO_UNIT_CONTROL) && | |
918 | ioc->ioc_link_reset_in_progress) { | |
919 | ioc->ioc_link_reset_in_progress = 0; | |
920 | ioc->ignore_loginfos = 0; | |
921 | } | |
922 | if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) { | |
923 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name, | |
924 | __func__); | |
925 | _debug_dump_mf(mpi_request, karg.data_sge_offset); | |
926 | if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET)) | |
927 | issue_reset = 1; | |
928 | goto issue_host_reset; | |
929 | } | |
930 | ||
931 | mpi_reply = ioc->ctl_cmds.reply; | |
932 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; | |
933 | ||
934 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
935 | if (mpi_reply->Function == MPI2_FUNCTION_SCSI_TASK_MGMT && | |
936 | (ioc->logging_level & MPT_DEBUG_TM)) { | |
937 | Mpi2SCSITaskManagementReply_t *tm_reply = | |
938 | (Mpi2SCSITaskManagementReply_t *)mpi_reply; | |
939 | ||
eabb08ad | 940 | printk(MPT2SAS_INFO_FMT "TASK_MGMT: " |
635374e7 EM |
941 | "IOCStatus(0x%04x), IOCLogInfo(0x%08x), " |
942 | "TerminationCount(0x%08x)\n", ioc->name, | |
463217bf KD |
943 | le16_to_cpu(tm_reply->IOCStatus), |
944 | le32_to_cpu(tm_reply->IOCLogInfo), | |
945 | le32_to_cpu(tm_reply->TerminationCount)); | |
635374e7 EM |
946 | } |
947 | #endif | |
948 | /* copy out xdata to user */ | |
949 | if (data_in_sz) { | |
950 | if (copy_to_user(karg.data_in_buf_ptr, data_in, | |
951 | data_in_sz)) { | |
952 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, | |
953 | __LINE__, __func__); | |
954 | ret = -ENODATA; | |
955 | goto out; | |
956 | } | |
957 | } | |
958 | ||
959 | /* copy out reply message frame to user */ | |
960 | if (karg.max_reply_bytes) { | |
961 | sz = min_t(u32, karg.max_reply_bytes, ioc->reply_sz); | |
962 | if (copy_to_user(karg.reply_frame_buf_ptr, ioc->ctl_cmds.reply, | |
963 | sz)) { | |
964 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, | |
965 | __LINE__, __func__); | |
966 | ret = -ENODATA; | |
967 | goto out; | |
968 | } | |
969 | } | |
970 | ||
971 | /* copy out sense to user */ | |
972 | if (karg.max_sense_bytes && (mpi_request->Function == | |
973 | MPI2_FUNCTION_SCSI_IO_REQUEST || mpi_request->Function == | |
974 | MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) { | |
975 | sz = min_t(u32, karg.max_sense_bytes, SCSI_SENSE_BUFFERSIZE); | |
769578ff KD |
976 | if (copy_to_user(karg.sense_data_ptr, |
977 | ioc->ctl_cmds.sense, sz)) { | |
635374e7 EM |
978 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, |
979 | __LINE__, __func__); | |
980 | ret = -ENODATA; | |
981 | goto out; | |
982 | } | |
983 | } | |
984 | ||
985 | issue_host_reset: | |
986 | if (issue_reset) { | |
b2ff36ba | 987 | ret = -ENODATA; |
635374e7 EM |
988 | if ((mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || |
989 | mpi_request->Function == | |
acafc892 | 990 | MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH || |
991 | mpi_request->Function == MPI2_FUNCTION_SATA_PASSTHROUGH)) { | |
635374e7 EM |
992 | printk(MPT2SAS_INFO_FMT "issue target reset: handle " |
993 | "= (0x%04x)\n", ioc->name, | |
e94f6747 | 994 | le16_to_cpu(mpi_request->FunctionDependent1)); |
fa7f3167 | 995 | mpt2sas_halt_firmware(ioc); |
635374e7 | 996 | mpt2sas_scsih_issue_tm(ioc, |
8ed9a03a KD |
997 | le16_to_cpu(mpi_request->FunctionDependent1), 0, 0, |
998 | 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 10, | |
2e45c8b7 | 999 | TM_MUTEX_ON); |
635374e7 | 1000 | ioc->tm_cmds.status = MPT2_CMD_NOT_USED; |
635374e7 EM |
1001 | } else |
1002 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
1003 | FORCE_BIG_HAMMER); | |
1004 | } | |
1005 | ||
1006 | out: | |
1007 | ||
1008 | /* free memory associated with sg buffers */ | |
1009 | if (data_in) | |
1010 | pci_free_consistent(ioc->pdev, data_in_sz, data_in, | |
1011 | data_in_dma); | |
1012 | ||
1013 | if (data_out) | |
1014 | pci_free_consistent(ioc->pdev, data_out_sz, data_out, | |
1015 | data_out_dma); | |
1016 | ||
1bbfa378 | 1017 | kfree(mpi_request); |
635374e7 | 1018 | ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; |
635374e7 EM |
1019 | return ret; |
1020 | } | |
1021 | ||
1022 | /** | |
1023 | * _ctl_getiocinfo - main handler for MPT2IOCINFO opcode | |
913809f6 | 1024 | * @ioc: per adapter object |
635374e7 EM |
1025 | * @arg - user space buffer containing ioctl content |
1026 | */ | |
1027 | static long | |
913809f6 | 1028 | _ctl_getiocinfo(struct MPT2SAS_ADAPTER *ioc, void __user *arg) |
635374e7 EM |
1029 | { |
1030 | struct mpt2_ioctl_iocinfo karg; | |
635374e7 EM |
1031 | |
1032 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1033 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1034 | __FILE__, __LINE__, __func__); | |
1035 | return -EFAULT; | |
1036 | } | |
635374e7 | 1037 | |
eabb08ad | 1038 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, |
635374e7 EM |
1039 | __func__)); |
1040 | ||
1041 | memset(&karg, 0 , sizeof(karg)); | |
0bdccdb0 KD |
1042 | if (ioc->is_warpdrive) |
1043 | karg.adapter_type = MPT2_IOCTL_INTERFACE_SAS2_SSS6200; | |
1044 | else | |
1045 | karg.adapter_type = MPT2_IOCTL_INTERFACE_SAS2; | |
635374e7 EM |
1046 | if (ioc->pfacts) |
1047 | karg.port_number = ioc->pfacts[0].PortNumber; | |
7d7311c4 | 1048 | karg.hw_rev = ioc->pdev->revision; |
635374e7 EM |
1049 | karg.pci_id = ioc->pdev->device; |
1050 | karg.subsystem_device = ioc->pdev->subsystem_device; | |
1051 | karg.subsystem_vendor = ioc->pdev->subsystem_vendor; | |
1052 | karg.pci_information.u.bits.bus = ioc->pdev->bus->number; | |
1053 | karg.pci_information.u.bits.device = PCI_SLOT(ioc->pdev->devfn); | |
1054 | karg.pci_information.u.bits.function = PCI_FUNC(ioc->pdev->devfn); | |
1055 | karg.pci_information.segment_id = pci_domain_nr(ioc->pdev->bus); | |
1056 | karg.firmware_version = ioc->facts.FWVersion.Word; | |
e5f9bb19 EM |
1057 | strcpy(karg.driver_version, MPT2SAS_DRIVER_NAME); |
1058 | strcat(karg.driver_version, "-"); | |
1059 | strcat(karg.driver_version, MPT2SAS_DRIVER_VERSION); | |
635374e7 EM |
1060 | karg.bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion); |
1061 | ||
1062 | if (copy_to_user(arg, &karg, sizeof(karg))) { | |
1063 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1064 | __FILE__, __LINE__, __func__); | |
1065 | return -EFAULT; | |
1066 | } | |
1067 | return 0; | |
1068 | } | |
1069 | ||
1070 | /** | |
1071 | * _ctl_eventquery - main handler for MPT2EVENTQUERY opcode | |
913809f6 | 1072 | * @ioc: per adapter object |
635374e7 EM |
1073 | * @arg - user space buffer containing ioctl content |
1074 | */ | |
1075 | static long | |
913809f6 | 1076 | _ctl_eventquery(struct MPT2SAS_ADAPTER *ioc, void __user *arg) |
635374e7 EM |
1077 | { |
1078 | struct mpt2_ioctl_eventquery karg; | |
635374e7 EM |
1079 | |
1080 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1081 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1082 | __FILE__, __LINE__, __func__); | |
1083 | return -EFAULT; | |
1084 | } | |
635374e7 | 1085 | |
eabb08ad | 1086 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, |
635374e7 EM |
1087 | __func__)); |
1088 | ||
1089 | karg.event_entries = MPT2SAS_CTL_EVENT_LOG_SIZE; | |
1090 | memcpy(karg.event_types, ioc->event_type, | |
1091 | MPI2_EVENT_NOTIFY_EVENTMASK_WORDS * sizeof(u32)); | |
1092 | ||
1093 | if (copy_to_user(arg, &karg, sizeof(karg))) { | |
1094 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1095 | __FILE__, __LINE__, __func__); | |
1096 | return -EFAULT; | |
1097 | } | |
1098 | return 0; | |
1099 | } | |
1100 | ||
1101 | /** | |
1102 | * _ctl_eventenable - main handler for MPT2EVENTENABLE opcode | |
913809f6 | 1103 | * @ioc: per adapter object |
635374e7 EM |
1104 | * @arg - user space buffer containing ioctl content |
1105 | */ | |
1106 | static long | |
913809f6 | 1107 | _ctl_eventenable(struct MPT2SAS_ADAPTER *ioc, void __user *arg) |
635374e7 EM |
1108 | { |
1109 | struct mpt2_ioctl_eventenable karg; | |
635374e7 EM |
1110 | |
1111 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1112 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1113 | __FILE__, __LINE__, __func__); | |
1114 | return -EFAULT; | |
1115 | } | |
635374e7 | 1116 | |
eabb08ad | 1117 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, |
635374e7 EM |
1118 | __func__)); |
1119 | ||
1120 | if (ioc->event_log) | |
1121 | return 0; | |
1122 | memcpy(ioc->event_type, karg.event_types, | |
1123 | MPI2_EVENT_NOTIFY_EVENTMASK_WORDS * sizeof(u32)); | |
1124 | mpt2sas_base_validate_event_type(ioc, ioc->event_type); | |
1125 | ||
1126 | /* initialize event_log */ | |
1127 | ioc->event_context = 0; | |
1128 | ioc->aen_event_read_flag = 0; | |
1129 | ioc->event_log = kcalloc(MPT2SAS_CTL_EVENT_LOG_SIZE, | |
1130 | sizeof(struct MPT2_IOCTL_EVENTS), GFP_KERNEL); | |
1131 | if (!ioc->event_log) { | |
1132 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1133 | __FILE__, __LINE__, __func__); | |
1134 | return -ENOMEM; | |
1135 | } | |
1136 | return 0; | |
1137 | } | |
1138 | ||
1139 | /** | |
1140 | * _ctl_eventreport - main handler for MPT2EVENTREPORT opcode | |
913809f6 | 1141 | * @ioc: per adapter object |
635374e7 EM |
1142 | * @arg - user space buffer containing ioctl content |
1143 | */ | |
1144 | static long | |
913809f6 | 1145 | _ctl_eventreport(struct MPT2SAS_ADAPTER *ioc, void __user *arg) |
635374e7 EM |
1146 | { |
1147 | struct mpt2_ioctl_eventreport karg; | |
635374e7 EM |
1148 | u32 number_bytes, max_events, max; |
1149 | struct mpt2_ioctl_eventreport __user *uarg = arg; | |
1150 | ||
1151 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1152 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1153 | __FILE__, __LINE__, __func__); | |
1154 | return -EFAULT; | |
1155 | } | |
635374e7 | 1156 | |
eabb08ad | 1157 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, |
635374e7 EM |
1158 | __func__)); |
1159 | ||
1160 | number_bytes = karg.hdr.max_data_size - | |
1161 | sizeof(struct mpt2_ioctl_header); | |
1162 | max_events = number_bytes/sizeof(struct MPT2_IOCTL_EVENTS); | |
1163 | max = min_t(u32, MPT2SAS_CTL_EVENT_LOG_SIZE, max_events); | |
1164 | ||
1165 | /* If fewer than 1 event is requested, there must have | |
1166 | * been some type of error. | |
1167 | */ | |
1168 | if (!max || !ioc->event_log) | |
1169 | return -ENODATA; | |
1170 | ||
1171 | number_bytes = max * sizeof(struct MPT2_IOCTL_EVENTS); | |
1172 | if (copy_to_user(uarg->event_data, ioc->event_log, number_bytes)) { | |
1173 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1174 | __FILE__, __LINE__, __func__); | |
1175 | return -EFAULT; | |
1176 | } | |
1177 | ||
1178 | /* reset flag so SIGIO can restart */ | |
1179 | ioc->aen_event_read_flag = 0; | |
1180 | return 0; | |
1181 | } | |
1182 | ||
1183 | /** | |
1184 | * _ctl_do_reset - main handler for MPT2HARDRESET opcode | |
913809f6 | 1185 | * @ioc: per adapter object |
635374e7 EM |
1186 | * @arg - user space buffer containing ioctl content |
1187 | */ | |
1188 | static long | |
913809f6 | 1189 | _ctl_do_reset(struct MPT2SAS_ADAPTER *ioc, void __user *arg) |
635374e7 EM |
1190 | { |
1191 | struct mpt2_ioctl_diag_reset karg; | |
635374e7 EM |
1192 | int retval; |
1193 | ||
1194 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1195 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1196 | __FILE__, __LINE__, __func__); | |
1197 | return -EFAULT; | |
1198 | } | |
635374e7 | 1199 | |
921cd802 | 1200 | if (ioc->shost_recovery || ioc->pci_error_recovery || |
1201 | ioc->is_driver_loading) | |
1202 | return -EAGAIN; | |
eabb08ad | 1203 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, |
635374e7 EM |
1204 | __func__)); |
1205 | ||
1206 | retval = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
1207 | FORCE_BIG_HAMMER); | |
1208 | printk(MPT2SAS_INFO_FMT "host reset: %s\n", | |
1209 | ioc->name, ((!retval) ? "SUCCESS" : "FAILED")); | |
1210 | return 0; | |
1211 | } | |
1212 | ||
1213 | /** | |
1214 | * _ctl_btdh_search_sas_device - searching for sas device | |
1215 | * @ioc: per adapter object | |
1216 | * @btdh: btdh ioctl payload | |
1217 | */ | |
1218 | static int | |
1219 | _ctl_btdh_search_sas_device(struct MPT2SAS_ADAPTER *ioc, | |
1220 | struct mpt2_ioctl_btdh_mapping *btdh) | |
1221 | { | |
1222 | struct _sas_device *sas_device; | |
1223 | unsigned long flags; | |
1224 | int rc = 0; | |
1225 | ||
1226 | if (list_empty(&ioc->sas_device_list)) | |
1227 | return rc; | |
1228 | ||
1229 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
1230 | list_for_each_entry(sas_device, &ioc->sas_device_list, list) { | |
1231 | if (btdh->bus == 0xFFFFFFFF && btdh->id == 0xFFFFFFFF && | |
1232 | btdh->handle == sas_device->handle) { | |
1233 | btdh->bus = sas_device->channel; | |
1234 | btdh->id = sas_device->id; | |
1235 | rc = 1; | |
1236 | goto out; | |
1237 | } else if (btdh->bus == sas_device->channel && btdh->id == | |
1238 | sas_device->id && btdh->handle == 0xFFFF) { | |
1239 | btdh->handle = sas_device->handle; | |
1240 | rc = 1; | |
1241 | goto out; | |
1242 | } | |
1243 | } | |
1244 | out: | |
1245 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
1246 | return rc; | |
1247 | } | |
1248 | ||
1249 | /** | |
1250 | * _ctl_btdh_search_raid_device - searching for raid device | |
1251 | * @ioc: per adapter object | |
1252 | * @btdh: btdh ioctl payload | |
1253 | */ | |
1254 | static int | |
1255 | _ctl_btdh_search_raid_device(struct MPT2SAS_ADAPTER *ioc, | |
1256 | struct mpt2_ioctl_btdh_mapping *btdh) | |
1257 | { | |
1258 | struct _raid_device *raid_device; | |
1259 | unsigned long flags; | |
1260 | int rc = 0; | |
1261 | ||
1262 | if (list_empty(&ioc->raid_device_list)) | |
1263 | return rc; | |
1264 | ||
1265 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1266 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { | |
1267 | if (btdh->bus == 0xFFFFFFFF && btdh->id == 0xFFFFFFFF && | |
1268 | btdh->handle == raid_device->handle) { | |
1269 | btdh->bus = raid_device->channel; | |
1270 | btdh->id = raid_device->id; | |
1271 | rc = 1; | |
1272 | goto out; | |
1273 | } else if (btdh->bus == raid_device->channel && btdh->id == | |
1274 | raid_device->id && btdh->handle == 0xFFFF) { | |
1275 | btdh->handle = raid_device->handle; | |
1276 | rc = 1; | |
1277 | goto out; | |
1278 | } | |
1279 | } | |
1280 | out: | |
1281 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
1282 | return rc; | |
1283 | } | |
1284 | ||
1285 | /** | |
1286 | * _ctl_btdh_mapping - main handler for MPT2BTDHMAPPING opcode | |
913809f6 | 1287 | * @ioc: per adapter object |
635374e7 EM |
1288 | * @arg - user space buffer containing ioctl content |
1289 | */ | |
1290 | static long | |
913809f6 | 1291 | _ctl_btdh_mapping(struct MPT2SAS_ADAPTER *ioc, void __user *arg) |
635374e7 EM |
1292 | { |
1293 | struct mpt2_ioctl_btdh_mapping karg; | |
635374e7 EM |
1294 | int rc; |
1295 | ||
1296 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1297 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1298 | __FILE__, __LINE__, __func__); | |
1299 | return -EFAULT; | |
1300 | } | |
635374e7 | 1301 | |
eabb08ad | 1302 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
1303 | __func__)); |
1304 | ||
1305 | rc = _ctl_btdh_search_sas_device(ioc, &karg); | |
1306 | if (!rc) | |
1307 | _ctl_btdh_search_raid_device(ioc, &karg); | |
1308 | ||
1309 | if (copy_to_user(arg, &karg, sizeof(karg))) { | |
1310 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1311 | __FILE__, __LINE__, __func__); | |
1312 | return -EFAULT; | |
1313 | } | |
1314 | return 0; | |
1315 | } | |
1316 | ||
1317 | /** | |
1318 | * _ctl_diag_capability - return diag buffer capability | |
1319 | * @ioc: per adapter object | |
1b01fe3a | 1320 | * @buffer_type: specifies either TRACE, SNAPSHOT, or EXTENDED |
635374e7 EM |
1321 | * |
1322 | * returns 1 when diag buffer support is enabled in firmware | |
1323 | */ | |
1324 | static u8 | |
1325 | _ctl_diag_capability(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type) | |
1326 | { | |
1327 | u8 rc = 0; | |
1328 | ||
1329 | switch (buffer_type) { | |
1330 | case MPI2_DIAG_BUF_TYPE_TRACE: | |
1331 | if (ioc->facts.IOCCapabilities & | |
1332 | MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER) | |
1333 | rc = 1; | |
1334 | break; | |
1335 | case MPI2_DIAG_BUF_TYPE_SNAPSHOT: | |
1336 | if (ioc->facts.IOCCapabilities & | |
1337 | MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER) | |
1338 | rc = 1; | |
1339 | break; | |
1b01fe3a KD |
1340 | case MPI2_DIAG_BUF_TYPE_EXTENDED: |
1341 | if (ioc->facts.IOCCapabilities & | |
1342 | MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER) | |
1343 | rc = 1; | |
635374e7 EM |
1344 | } |
1345 | ||
1346 | return rc; | |
1347 | } | |
1348 | ||
1349 | /** | |
32e0eb56 KD |
1350 | * _ctl_diag_register_2 - wrapper for registering diag buffer support |
1351 | * @ioc: per adapter object | |
1352 | * @diag_register: the diag_register struct passed in from user space | |
635374e7 | 1353 | * |
635374e7 EM |
1354 | */ |
1355 | static long | |
32e0eb56 KD |
1356 | _ctl_diag_register_2(struct MPT2SAS_ADAPTER *ioc, |
1357 | struct mpt2_diag_register *diag_register) | |
635374e7 | 1358 | { |
635374e7 EM |
1359 | int rc, i; |
1360 | void *request_data = NULL; | |
1361 | dma_addr_t request_data_dma; | |
1362 | u32 request_data_sz = 0; | |
1363 | Mpi2DiagBufferPostRequest_t *mpi_request; | |
1364 | Mpi2DiagBufferPostReply_t *mpi_reply; | |
1365 | u8 buffer_type; | |
1366 | unsigned long timeleft; | |
1367 | u16 smid; | |
1368 | u16 ioc_status; | |
1369 | u8 issue_reset = 0; | |
1370 | ||
eabb08ad | 1371 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
1372 | __func__)); |
1373 | ||
32e0eb56 KD |
1374 | if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) { |
1375 | printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n", | |
1376 | ioc->name, __func__); | |
1377 | rc = -EAGAIN; | |
1378 | goto out; | |
1379 | } | |
1380 | ||
1381 | buffer_type = diag_register->buffer_type; | |
635374e7 EM |
1382 | if (!_ctl_diag_capability(ioc, buffer_type)) { |
1383 | printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for " | |
1384 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); | |
1385 | return -EPERM; | |
1386 | } | |
1387 | ||
1388 | if (ioc->diag_buffer_status[buffer_type] & | |
1389 | MPT2_DIAG_BUFFER_IS_REGISTERED) { | |
1390 | printk(MPT2SAS_ERR_FMT "%s: already has a registered " | |
1391 | "buffer for buffer_type(0x%02x)\n", ioc->name, __func__, | |
1392 | buffer_type); | |
1393 | return -EINVAL; | |
1394 | } | |
1395 | ||
32e0eb56 | 1396 | if (diag_register->requested_buffer_size % 4) { |
635374e7 EM |
1397 | printk(MPT2SAS_ERR_FMT "%s: the requested_buffer_size " |
1398 | "is not 4 byte aligned\n", ioc->name, __func__); | |
1399 | return -EINVAL; | |
1400 | } | |
1401 | ||
635374e7 EM |
1402 | smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx); |
1403 | if (!smid) { | |
1404 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
1405 | ioc->name, __func__); | |
1406 | rc = -EAGAIN; | |
1407 | goto out; | |
1408 | } | |
1409 | ||
1410 | rc = 0; | |
1411 | ioc->ctl_cmds.status = MPT2_CMD_PENDING; | |
1412 | memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); | |
1413 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
1414 | ioc->ctl_cmds.smid = smid; | |
1415 | ||
1416 | request_data = ioc->diag_buffer[buffer_type]; | |
32e0eb56 KD |
1417 | request_data_sz = diag_register->requested_buffer_size; |
1418 | ioc->unique_id[buffer_type] = diag_register->unique_id; | |
635374e7 | 1419 | ioc->diag_buffer_status[buffer_type] = 0; |
32e0eb56 KD |
1420 | memcpy(ioc->product_specific[buffer_type], |
1421 | diag_register->product_specific, MPT2_PRODUCT_SPECIFIC_DWORDS); | |
1422 | ioc->diagnostic_flags[buffer_type] = diag_register->diagnostic_flags; | |
635374e7 EM |
1423 | |
1424 | if (request_data) { | |
1425 | request_data_dma = ioc->diag_buffer_dma[buffer_type]; | |
1426 | if (request_data_sz != ioc->diag_buffer_sz[buffer_type]) { | |
1427 | pci_free_consistent(ioc->pdev, | |
1428 | ioc->diag_buffer_sz[buffer_type], | |
1429 | request_data, request_data_dma); | |
1430 | request_data = NULL; | |
1431 | } | |
1432 | } | |
1433 | ||
1434 | if (request_data == NULL) { | |
1435 | ioc->diag_buffer_sz[buffer_type] = 0; | |
1436 | ioc->diag_buffer_dma[buffer_type] = 0; | |
1437 | request_data = pci_alloc_consistent( | |
1438 | ioc->pdev, request_data_sz, &request_data_dma); | |
1439 | if (request_data == NULL) { | |
1440 | printk(MPT2SAS_ERR_FMT "%s: failed allocating memory" | |
1441 | " for diag buffers, requested size(%d)\n", | |
1442 | ioc->name, __func__, request_data_sz); | |
1443 | mpt2sas_base_free_smid(ioc, smid); | |
1444 | return -ENOMEM; | |
1445 | } | |
1446 | ioc->diag_buffer[buffer_type] = request_data; | |
1447 | ioc->diag_buffer_sz[buffer_type] = request_data_sz; | |
1448 | ioc->diag_buffer_dma[buffer_type] = request_data_dma; | |
1449 | } | |
1450 | ||
1451 | mpi_request->Function = MPI2_FUNCTION_DIAG_BUFFER_POST; | |
32e0eb56 KD |
1452 | mpi_request->BufferType = diag_register->buffer_type; |
1453 | mpi_request->Flags = cpu_to_le32(diag_register->diagnostic_flags); | |
635374e7 EM |
1454 | mpi_request->BufferAddress = cpu_to_le64(request_data_dma); |
1455 | mpi_request->BufferLength = cpu_to_le32(request_data_sz); | |
7b936b02 KD |
1456 | mpi_request->VF_ID = 0; /* TODO */ |
1457 | mpi_request->VP_ID = 0; | |
635374e7 | 1458 | |
eabb08ad | 1459 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: diag_buffer(0x%p), " |
635374e7 | 1460 | "dma(0x%llx), sz(%d)\n", ioc->name, __func__, request_data, |
e94f6747 KD |
1461 | (unsigned long long)request_data_dma, |
1462 | le32_to_cpu(mpi_request->BufferLength))); | |
635374e7 EM |
1463 | |
1464 | for (i = 0; i < MPT2_PRODUCT_SPECIFIC_DWORDS; i++) | |
1465 | mpi_request->ProductSpecific[i] = | |
1466 | cpu_to_le32(ioc->product_specific[buffer_type][i]); | |
1467 | ||
bcfb6e6e | 1468 | init_completion(&ioc->ctl_cmds.done); |
f01690d3 | 1469 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
1470 | timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, |
1471 | MPT2_IOCTL_DEFAULT_TIMEOUT*HZ); | |
1472 | ||
1473 | if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) { | |
1474 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name, | |
1475 | __func__); | |
1476 | _debug_dump_mf(mpi_request, | |
1477 | sizeof(Mpi2DiagBufferPostRequest_t)/4); | |
1478 | if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET)) | |
1479 | issue_reset = 1; | |
1480 | goto issue_host_reset; | |
1481 | } | |
1482 | ||
1483 | /* process the completed Reply Message Frame */ | |
1484 | if ((ioc->ctl_cmds.status & MPT2_CMD_REPLY_VALID) == 0) { | |
1485 | printk(MPT2SAS_ERR_FMT "%s: no reply message\n", | |
1486 | ioc->name, __func__); | |
1487 | rc = -EFAULT; | |
1488 | goto out; | |
1489 | } | |
1490 | ||
1491 | mpi_reply = ioc->ctl_cmds.reply; | |
1492 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; | |
1493 | ||
1494 | if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { | |
1495 | ioc->diag_buffer_status[buffer_type] |= | |
1496 | MPT2_DIAG_BUFFER_IS_REGISTERED; | |
eabb08ad | 1497 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: success\n", |
635374e7 EM |
1498 | ioc->name, __func__)); |
1499 | } else { | |
eabb08ad | 1500 | printk(MPT2SAS_INFO_FMT "%s: ioc_status(0x%04x) " |
635374e7 | 1501 | "log_info(0x%08x)\n", ioc->name, __func__, |
463217bf | 1502 | ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo)); |
635374e7 EM |
1503 | rc = -EFAULT; |
1504 | } | |
1505 | ||
1506 | issue_host_reset: | |
1507 | if (issue_reset) | |
1508 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
1509 | FORCE_BIG_HAMMER); | |
1510 | ||
1511 | out: | |
1512 | ||
1513 | if (rc && request_data) | |
1514 | pci_free_consistent(ioc->pdev, request_data_sz, | |
1515 | request_data, request_data_dma); | |
1516 | ||
1517 | ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; | |
32e0eb56 KD |
1518 | return rc; |
1519 | } | |
1520 | ||
1521 | /** | |
1522 | * mpt2sas_enable_diag_buffer - enabling diag_buffers support driver load time | |
1523 | * @ioc: per adapter object | |
1524 | * @bits_to_register: bitwise field where trace is bit 0, and snapshot is bit 1 | |
1525 | * | |
1526 | * This is called when command line option diag_buffer_enable is enabled | |
1527 | * at driver load time. | |
1528 | */ | |
1529 | void | |
1530 | mpt2sas_enable_diag_buffer(struct MPT2SAS_ADAPTER *ioc, u8 bits_to_register) | |
1531 | { | |
1532 | struct mpt2_diag_register diag_register; | |
1533 | ||
1534 | memset(&diag_register, 0, sizeof(struct mpt2_diag_register)); | |
1535 | ||
1536 | if (bits_to_register & 1) { | |
1537 | printk(MPT2SAS_INFO_FMT "registering trace buffer support\n", | |
1538 | ioc->name); | |
1539 | diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_TRACE; | |
1540 | /* register for 1MB buffers */ | |
1541 | diag_register.requested_buffer_size = (1024 * 1024); | |
1542 | diag_register.unique_id = 0x7075900; | |
1543 | _ctl_diag_register_2(ioc, &diag_register); | |
1544 | } | |
1545 | ||
1546 | if (bits_to_register & 2) { | |
1547 | printk(MPT2SAS_INFO_FMT "registering snapshot buffer support\n", | |
1548 | ioc->name); | |
1549 | diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_SNAPSHOT; | |
1550 | /* register for 2MB buffers */ | |
1551 | diag_register.requested_buffer_size = 2 * (1024 * 1024); | |
1552 | diag_register.unique_id = 0x7075901; | |
1553 | _ctl_diag_register_2(ioc, &diag_register); | |
1554 | } | |
1b01fe3a KD |
1555 | |
1556 | if (bits_to_register & 4) { | |
1557 | printk(MPT2SAS_INFO_FMT "registering extended buffer support\n", | |
1558 | ioc->name); | |
1559 | diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_EXTENDED; | |
1560 | /* register for 2MB buffers */ | |
1561 | diag_register.requested_buffer_size = 2 * (1024 * 1024); | |
1562 | diag_register.unique_id = 0x7075901; | |
1563 | _ctl_diag_register_2(ioc, &diag_register); | |
1564 | } | |
32e0eb56 KD |
1565 | } |
1566 | ||
1567 | /** | |
1568 | * _ctl_diag_register - application register with driver | |
913809f6 | 1569 | * @ioc: per adapter object |
32e0eb56 | 1570 | * @arg - user space buffer containing ioctl content |
32e0eb56 KD |
1571 | * |
1572 | * This will allow the driver to setup any required buffers that will be | |
1573 | * needed by firmware to communicate with the driver. | |
1574 | */ | |
1575 | static long | |
913809f6 | 1576 | _ctl_diag_register(struct MPT2SAS_ADAPTER *ioc, void __user *arg) |
32e0eb56 KD |
1577 | { |
1578 | struct mpt2_diag_register karg; | |
32e0eb56 KD |
1579 | long rc; |
1580 | ||
1581 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1582 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1583 | __FILE__, __LINE__, __func__); | |
1584 | return -EFAULT; | |
1585 | } | |
32e0eb56 | 1586 | |
32e0eb56 | 1587 | rc = _ctl_diag_register_2(ioc, &karg); |
635374e7 EM |
1588 | return rc; |
1589 | } | |
1590 | ||
1591 | /** | |
1592 | * _ctl_diag_unregister - application unregister with driver | |
913809f6 | 1593 | * @ioc: per adapter object |
635374e7 EM |
1594 | * @arg - user space buffer containing ioctl content |
1595 | * | |
1596 | * This will allow the driver to cleanup any memory allocated for diag | |
1597 | * messages and to free up any resources. | |
1598 | */ | |
1599 | static long | |
913809f6 | 1600 | _ctl_diag_unregister(struct MPT2SAS_ADAPTER *ioc, void __user *arg) |
635374e7 EM |
1601 | { |
1602 | struct mpt2_diag_unregister karg; | |
635374e7 EM |
1603 | void *request_data; |
1604 | dma_addr_t request_data_dma; | |
1605 | u32 request_data_sz; | |
1606 | u8 buffer_type; | |
1607 | ||
1608 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1609 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1610 | __FILE__, __LINE__, __func__); | |
1611 | return -EFAULT; | |
1612 | } | |
635374e7 | 1613 | |
eabb08ad | 1614 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
1615 | __func__)); |
1616 | ||
1617 | buffer_type = karg.unique_id & 0x000000ff; | |
1618 | if (!_ctl_diag_capability(ioc, buffer_type)) { | |
1619 | printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for " | |
1620 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); | |
1621 | return -EPERM; | |
1622 | } | |
1623 | ||
1624 | if ((ioc->diag_buffer_status[buffer_type] & | |
1625 | MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) { | |
1626 | printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not " | |
1627 | "registered\n", ioc->name, __func__, buffer_type); | |
1628 | return -EINVAL; | |
1629 | } | |
1630 | if ((ioc->diag_buffer_status[buffer_type] & | |
1631 | MPT2_DIAG_BUFFER_IS_RELEASED) == 0) { | |
1632 | printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) has not been " | |
1633 | "released\n", ioc->name, __func__, buffer_type); | |
1634 | return -EINVAL; | |
1635 | } | |
1636 | ||
1637 | if (karg.unique_id != ioc->unique_id[buffer_type]) { | |
1638 | printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not " | |
1639 | "registered\n", ioc->name, __func__, karg.unique_id); | |
1640 | return -EINVAL; | |
1641 | } | |
1642 | ||
1643 | request_data = ioc->diag_buffer[buffer_type]; | |
1644 | if (!request_data) { | |
1645 | printk(MPT2SAS_ERR_FMT "%s: doesn't have memory allocated for " | |
1646 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); | |
1647 | return -ENOMEM; | |
1648 | } | |
1649 | ||
1650 | request_data_sz = ioc->diag_buffer_sz[buffer_type]; | |
1651 | request_data_dma = ioc->diag_buffer_dma[buffer_type]; | |
1652 | pci_free_consistent(ioc->pdev, request_data_sz, | |
1653 | request_data, request_data_dma); | |
1654 | ioc->diag_buffer[buffer_type] = NULL; | |
1655 | ioc->diag_buffer_status[buffer_type] = 0; | |
1656 | return 0; | |
1657 | } | |
1658 | ||
1659 | /** | |
1660 | * _ctl_diag_query - query relevant info associated with diag buffers | |
913809f6 | 1661 | * @ioc: per adapter object |
635374e7 EM |
1662 | * @arg - user space buffer containing ioctl content |
1663 | * | |
1664 | * The application will send only buffer_type and unique_id. Driver will | |
1665 | * inspect unique_id first, if valid, fill in all the info. If unique_id is | |
1666 | * 0x00, the driver will return info specified by Buffer Type. | |
1667 | */ | |
1668 | static long | |
913809f6 | 1669 | _ctl_diag_query(struct MPT2SAS_ADAPTER *ioc, void __user *arg) |
635374e7 EM |
1670 | { |
1671 | struct mpt2_diag_query karg; | |
635374e7 EM |
1672 | void *request_data; |
1673 | int i; | |
1674 | u8 buffer_type; | |
1675 | ||
1676 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1677 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1678 | __FILE__, __LINE__, __func__); | |
1679 | return -EFAULT; | |
1680 | } | |
635374e7 | 1681 | |
eabb08ad | 1682 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
1683 | __func__)); |
1684 | ||
1685 | karg.application_flags = 0; | |
1686 | buffer_type = karg.buffer_type; | |
1687 | ||
1688 | if (!_ctl_diag_capability(ioc, buffer_type)) { | |
1689 | printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for " | |
1690 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); | |
1691 | return -EPERM; | |
1692 | } | |
1693 | ||
1694 | if ((ioc->diag_buffer_status[buffer_type] & | |
1695 | MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) { | |
1696 | printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not " | |
1697 | "registered\n", ioc->name, __func__, buffer_type); | |
1698 | return -EINVAL; | |
1699 | } | |
1700 | ||
1701 | if (karg.unique_id & 0xffffff00) { | |
1702 | if (karg.unique_id != ioc->unique_id[buffer_type]) { | |
1703 | printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not " | |
1704 | "registered\n", ioc->name, __func__, | |
1705 | karg.unique_id); | |
1706 | return -EINVAL; | |
1707 | } | |
1708 | } | |
1709 | ||
1710 | request_data = ioc->diag_buffer[buffer_type]; | |
1711 | if (!request_data) { | |
1712 | printk(MPT2SAS_ERR_FMT "%s: doesn't have buffer for " | |
1713 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); | |
1714 | return -ENOMEM; | |
1715 | } | |
1716 | ||
1717 | if (ioc->diag_buffer_status[buffer_type] & MPT2_DIAG_BUFFER_IS_RELEASED) | |
1718 | karg.application_flags = (MPT2_APP_FLAGS_APP_OWNED | | |
1719 | MPT2_APP_FLAGS_BUFFER_VALID); | |
1720 | else | |
1721 | karg.application_flags = (MPT2_APP_FLAGS_APP_OWNED | | |
1722 | MPT2_APP_FLAGS_BUFFER_VALID | | |
1723 | MPT2_APP_FLAGS_FW_BUFFER_ACCESS); | |
1724 | ||
1725 | for (i = 0; i < MPT2_PRODUCT_SPECIFIC_DWORDS; i++) | |
1726 | karg.product_specific[i] = | |
1727 | ioc->product_specific[buffer_type][i]; | |
1728 | ||
1729 | karg.total_buffer_size = ioc->diag_buffer_sz[buffer_type]; | |
1730 | karg.driver_added_buffer_size = 0; | |
1731 | karg.unique_id = ioc->unique_id[buffer_type]; | |
1732 | karg.diagnostic_flags = ioc->diagnostic_flags[buffer_type]; | |
1733 | ||
1734 | if (copy_to_user(arg, &karg, sizeof(struct mpt2_diag_query))) { | |
1735 | printk(MPT2SAS_ERR_FMT "%s: unable to write mpt2_diag_query " | |
1736 | "data @ %p\n", ioc->name, __func__, arg); | |
1737 | return -EFAULT; | |
1738 | } | |
1739 | return 0; | |
1740 | } | |
1741 | ||
1742 | /** | |
99bb214b EM |
1743 | * _ctl_send_release - Diag Release Message |
1744 | * @ioc: per adapter object | |
1b01fe3a | 1745 | * @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED |
99bb214b | 1746 | * @issue_reset - specifies whether host reset is required. |
635374e7 | 1747 | * |
635374e7 | 1748 | */ |
99bb214b EM |
1749 | static int |
1750 | _ctl_send_release(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type, u8 *issue_reset) | |
635374e7 | 1751 | { |
635374e7 EM |
1752 | Mpi2DiagReleaseRequest_t *mpi_request; |
1753 | Mpi2DiagReleaseReply_t *mpi_reply; | |
635374e7 EM |
1754 | u16 smid; |
1755 | u16 ioc_status; | |
99bb214b EM |
1756 | u32 ioc_state; |
1757 | int rc; | |
1758 | unsigned long timeleft; | |
635374e7 | 1759 | |
eabb08ad | 1760 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
1761 | __func__)); |
1762 | ||
99bb214b EM |
1763 | rc = 0; |
1764 | *issue_reset = 0; | |
635374e7 | 1765 | |
99bb214b EM |
1766 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); |
1767 | if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
eabb08ad | 1768 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
99bb214b EM |
1769 | "skipping due to FAULT state\n", ioc->name, |
1770 | __func__)); | |
1771 | rc = -EAGAIN; | |
1772 | goto out; | |
635374e7 EM |
1773 | } |
1774 | ||
635374e7 EM |
1775 | if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) { |
1776 | printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n", | |
1777 | ioc->name, __func__); | |
1778 | rc = -EAGAIN; | |
1779 | goto out; | |
1780 | } | |
1781 | ||
1782 | smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx); | |
1783 | if (!smid) { | |
1784 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
1785 | ioc->name, __func__); | |
1786 | rc = -EAGAIN; | |
1787 | goto out; | |
1788 | } | |
1789 | ||
635374e7 EM |
1790 | ioc->ctl_cmds.status = MPT2_CMD_PENDING; |
1791 | memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); | |
1792 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
1793 | ioc->ctl_cmds.smid = smid; | |
1794 | ||
1795 | mpi_request->Function = MPI2_FUNCTION_DIAG_RELEASE; | |
1796 | mpi_request->BufferType = buffer_type; | |
7b936b02 KD |
1797 | mpi_request->VF_ID = 0; /* TODO */ |
1798 | mpi_request->VP_ID = 0; | |
635374e7 | 1799 | |
bcfb6e6e | 1800 | init_completion(&ioc->ctl_cmds.done); |
f01690d3 | 1801 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
1802 | timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, |
1803 | MPT2_IOCTL_DEFAULT_TIMEOUT*HZ); | |
1804 | ||
1805 | if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) { | |
1806 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name, | |
1807 | __func__); | |
1808 | _debug_dump_mf(mpi_request, | |
1809 | sizeof(Mpi2DiagReleaseRequest_t)/4); | |
1810 | if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET)) | |
99bb214b EM |
1811 | *issue_reset = 1; |
1812 | rc = -EFAULT; | |
1813 | goto out; | |
635374e7 EM |
1814 | } |
1815 | ||
1816 | /* process the completed Reply Message Frame */ | |
1817 | if ((ioc->ctl_cmds.status & MPT2_CMD_REPLY_VALID) == 0) { | |
1818 | printk(MPT2SAS_ERR_FMT "%s: no reply message\n", | |
1819 | ioc->name, __func__); | |
1820 | rc = -EFAULT; | |
1821 | goto out; | |
1822 | } | |
1823 | ||
1824 | mpi_reply = ioc->ctl_cmds.reply; | |
1825 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; | |
1826 | ||
1827 | if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { | |
1828 | ioc->diag_buffer_status[buffer_type] |= | |
1829 | MPT2_DIAG_BUFFER_IS_RELEASED; | |
eabb08ad | 1830 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: success\n", |
635374e7 EM |
1831 | ioc->name, __func__)); |
1832 | } else { | |
eabb08ad | 1833 | printk(MPT2SAS_INFO_FMT "%s: ioc_status(0x%04x) " |
635374e7 | 1834 | "log_info(0x%08x)\n", ioc->name, __func__, |
463217bf | 1835 | ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo)); |
635374e7 EM |
1836 | rc = -EFAULT; |
1837 | } | |
1838 | ||
99bb214b EM |
1839 | out: |
1840 | ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; | |
1841 | return rc; | |
1842 | } | |
1843 | ||
1844 | /** | |
1845 | * _ctl_diag_release - request to send Diag Release Message to firmware | |
1846 | * @arg - user space buffer containing ioctl content | |
99bb214b EM |
1847 | * |
1848 | * This allows ownership of the specified buffer to returned to the driver, | |
1849 | * allowing an application to read the buffer without fear that firmware is | |
1850 | * overwritting information in the buffer. | |
1851 | */ | |
1852 | static long | |
913809f6 | 1853 | _ctl_diag_release(struct MPT2SAS_ADAPTER *ioc, void __user *arg) |
99bb214b EM |
1854 | { |
1855 | struct mpt2_diag_release karg; | |
99bb214b EM |
1856 | void *request_data; |
1857 | int rc; | |
1858 | u8 buffer_type; | |
1859 | u8 issue_reset = 0; | |
1860 | ||
1861 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1862 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1863 | __FILE__, __LINE__, __func__); | |
1864 | return -EFAULT; | |
1865 | } | |
99bb214b | 1866 | |
eabb08ad | 1867 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
99bb214b EM |
1868 | __func__)); |
1869 | ||
1870 | buffer_type = karg.unique_id & 0x000000ff; | |
1871 | if (!_ctl_diag_capability(ioc, buffer_type)) { | |
1872 | printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for " | |
1873 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); | |
1874 | return -EPERM; | |
1875 | } | |
1876 | ||
1877 | if ((ioc->diag_buffer_status[buffer_type] & | |
1878 | MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) { | |
1879 | printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not " | |
1880 | "registered\n", ioc->name, __func__, buffer_type); | |
1881 | return -EINVAL; | |
1882 | } | |
1883 | ||
1884 | if (karg.unique_id != ioc->unique_id[buffer_type]) { | |
1885 | printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not " | |
1886 | "registered\n", ioc->name, __func__, karg.unique_id); | |
1887 | return -EINVAL; | |
1888 | } | |
1889 | ||
1890 | if (ioc->diag_buffer_status[buffer_type] & | |
1891 | MPT2_DIAG_BUFFER_IS_RELEASED) { | |
1892 | printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) " | |
1893 | "is already released\n", ioc->name, __func__, | |
1894 | buffer_type); | |
1895 | return 0; | |
1896 | } | |
1897 | ||
1898 | request_data = ioc->diag_buffer[buffer_type]; | |
1899 | ||
1900 | if (!request_data) { | |
1901 | printk(MPT2SAS_ERR_FMT "%s: doesn't have memory allocated for " | |
1902 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); | |
1903 | return -ENOMEM; | |
1904 | } | |
1905 | ||
1906 | /* buffers were released by due to host reset */ | |
1907 | if ((ioc->diag_buffer_status[buffer_type] & | |
1908 | MPT2_DIAG_BUFFER_IS_DIAG_RESET)) { | |
1909 | ioc->diag_buffer_status[buffer_type] |= | |
1910 | MPT2_DIAG_BUFFER_IS_RELEASED; | |
1911 | ioc->diag_buffer_status[buffer_type] &= | |
1912 | ~MPT2_DIAG_BUFFER_IS_DIAG_RESET; | |
1913 | printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) " | |
1914 | "was released due to host reset\n", ioc->name, __func__, | |
1915 | buffer_type); | |
1916 | return 0; | |
1917 | } | |
1918 | ||
99bb214b EM |
1919 | rc = _ctl_send_release(ioc, buffer_type, &issue_reset); |
1920 | ||
635374e7 EM |
1921 | if (issue_reset) |
1922 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
1923 | FORCE_BIG_HAMMER); | |
1924 | ||
635374e7 EM |
1925 | return rc; |
1926 | } | |
1927 | ||
1928 | /** | |
1929 | * _ctl_diag_read_buffer - request for copy of the diag buffer | |
913809f6 | 1930 | * @ioc: per adapter object |
635374e7 | 1931 | * @arg - user space buffer containing ioctl content |
635374e7 EM |
1932 | */ |
1933 | static long | |
913809f6 | 1934 | _ctl_diag_read_buffer(struct MPT2SAS_ADAPTER *ioc, void __user *arg) |
635374e7 EM |
1935 | { |
1936 | struct mpt2_diag_read_buffer karg; | |
1937 | struct mpt2_diag_read_buffer __user *uarg = arg; | |
635374e7 EM |
1938 | void *request_data, *diag_data; |
1939 | Mpi2DiagBufferPostRequest_t *mpi_request; | |
1940 | Mpi2DiagBufferPostReply_t *mpi_reply; | |
1941 | int rc, i; | |
1942 | u8 buffer_type; | |
a1f74ae8 | 1943 | unsigned long timeleft, request_size, copy_size; |
635374e7 EM |
1944 | u16 smid; |
1945 | u16 ioc_status; | |
1946 | u8 issue_reset = 0; | |
1947 | ||
1948 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1949 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1950 | __FILE__, __LINE__, __func__); | |
1951 | return -EFAULT; | |
1952 | } | |
635374e7 | 1953 | |
eabb08ad | 1954 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
1955 | __func__)); |
1956 | ||
1957 | buffer_type = karg.unique_id & 0x000000ff; | |
1958 | if (!_ctl_diag_capability(ioc, buffer_type)) { | |
1959 | printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for " | |
1960 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); | |
1961 | return -EPERM; | |
1962 | } | |
1963 | ||
1964 | if (karg.unique_id != ioc->unique_id[buffer_type]) { | |
1965 | printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not " | |
1966 | "registered\n", ioc->name, __func__, karg.unique_id); | |
1967 | return -EINVAL; | |
1968 | } | |
1969 | ||
1970 | request_data = ioc->diag_buffer[buffer_type]; | |
1971 | if (!request_data) { | |
1972 | printk(MPT2SAS_ERR_FMT "%s: doesn't have buffer for " | |
1973 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); | |
1974 | return -ENOMEM; | |
1975 | } | |
1976 | ||
a1f74ae8 DR |
1977 | request_size = ioc->diag_buffer_sz[buffer_type]; |
1978 | ||
635374e7 EM |
1979 | if ((karg.starting_offset % 4) || (karg.bytes_to_read % 4)) { |
1980 | printk(MPT2SAS_ERR_FMT "%s: either the starting_offset " | |
1981 | "or bytes_to_read are not 4 byte aligned\n", ioc->name, | |
1982 | __func__); | |
1983 | return -EINVAL; | |
1984 | } | |
1985 | ||
a1f74ae8 DR |
1986 | if (karg.starting_offset > request_size) |
1987 | return -EINVAL; | |
1988 | ||
635374e7 | 1989 | diag_data = (void *)(request_data + karg.starting_offset); |
eabb08ad | 1990 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: diag_buffer(%p), " |
635374e7 EM |
1991 | "offset(%d), sz(%d)\n", ioc->name, __func__, |
1992 | diag_data, karg.starting_offset, karg.bytes_to_read)); | |
1993 | ||
a1f74ae8 DR |
1994 | /* Truncate data on requests that are too large */ |
1995 | if ((diag_data + karg.bytes_to_read < diag_data) || | |
1996 | (diag_data + karg.bytes_to_read > request_data + request_size)) | |
1997 | copy_size = request_size - karg.starting_offset; | |
1998 | else | |
1999 | copy_size = karg.bytes_to_read; | |
2000 | ||
635374e7 | 2001 | if (copy_to_user((void __user *)uarg->diagnostic_data, |
a1f74ae8 | 2002 | diag_data, copy_size)) { |
635374e7 EM |
2003 | printk(MPT2SAS_ERR_FMT "%s: Unable to write " |
2004 | "mpt_diag_read_buffer_t data @ %p\n", ioc->name, | |
2005 | __func__, diag_data); | |
2006 | return -EFAULT; | |
2007 | } | |
2008 | ||
2009 | if ((karg.flags & MPT2_FLAGS_REREGISTER) == 0) | |
2010 | return 0; | |
2011 | ||
eabb08ad | 2012 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: Reregister " |
635374e7 EM |
2013 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type)); |
2014 | if ((ioc->diag_buffer_status[buffer_type] & | |
2015 | MPT2_DIAG_BUFFER_IS_RELEASED) == 0) { | |
eabb08ad | 2016 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
635374e7 EM |
2017 | "buffer_type(0x%02x) is still registered\n", ioc->name, |
2018 | __func__, buffer_type)); | |
2019 | return 0; | |
2020 | } | |
2021 | /* Get a free request frame and save the message context. | |
2022 | */ | |
635374e7 EM |
2023 | |
2024 | if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) { | |
2025 | printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n", | |
2026 | ioc->name, __func__); | |
2027 | rc = -EAGAIN; | |
2028 | goto out; | |
2029 | } | |
2030 | ||
2031 | smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx); | |
2032 | if (!smid) { | |
2033 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
2034 | ioc->name, __func__); | |
2035 | rc = -EAGAIN; | |
2036 | goto out; | |
2037 | } | |
2038 | ||
2039 | rc = 0; | |
2040 | ioc->ctl_cmds.status = MPT2_CMD_PENDING; | |
2041 | memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); | |
2042 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
2043 | ioc->ctl_cmds.smid = smid; | |
2044 | ||
2045 | mpi_request->Function = MPI2_FUNCTION_DIAG_BUFFER_POST; | |
2046 | mpi_request->BufferType = buffer_type; | |
2047 | mpi_request->BufferLength = | |
2048 | cpu_to_le32(ioc->diag_buffer_sz[buffer_type]); | |
2049 | mpi_request->BufferAddress = | |
2050 | cpu_to_le64(ioc->diag_buffer_dma[buffer_type]); | |
2051 | for (i = 0; i < MPT2_PRODUCT_SPECIFIC_DWORDS; i++) | |
2052 | mpi_request->ProductSpecific[i] = | |
2053 | cpu_to_le32(ioc->product_specific[buffer_type][i]); | |
7b936b02 KD |
2054 | mpi_request->VF_ID = 0; /* TODO */ |
2055 | mpi_request->VP_ID = 0; | |
635374e7 | 2056 | |
bcfb6e6e | 2057 | init_completion(&ioc->ctl_cmds.done); |
f01690d3 | 2058 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
2059 | timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, |
2060 | MPT2_IOCTL_DEFAULT_TIMEOUT*HZ); | |
2061 | ||
2062 | if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) { | |
2063 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name, | |
2064 | __func__); | |
2065 | _debug_dump_mf(mpi_request, | |
2066 | sizeof(Mpi2DiagBufferPostRequest_t)/4); | |
2067 | if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET)) | |
2068 | issue_reset = 1; | |
2069 | goto issue_host_reset; | |
2070 | } | |
2071 | ||
2072 | /* process the completed Reply Message Frame */ | |
2073 | if ((ioc->ctl_cmds.status & MPT2_CMD_REPLY_VALID) == 0) { | |
2074 | printk(MPT2SAS_ERR_FMT "%s: no reply message\n", | |
2075 | ioc->name, __func__); | |
2076 | rc = -EFAULT; | |
2077 | goto out; | |
2078 | } | |
2079 | ||
2080 | mpi_reply = ioc->ctl_cmds.reply; | |
2081 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; | |
2082 | ||
2083 | if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { | |
2084 | ioc->diag_buffer_status[buffer_type] |= | |
2085 | MPT2_DIAG_BUFFER_IS_REGISTERED; | |
eabb08ad | 2086 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: success\n", |
635374e7 EM |
2087 | ioc->name, __func__)); |
2088 | } else { | |
eabb08ad | 2089 | printk(MPT2SAS_INFO_FMT "%s: ioc_status(0x%04x) " |
635374e7 | 2090 | "log_info(0x%08x)\n", ioc->name, __func__, |
463217bf | 2091 | ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo)); |
635374e7 EM |
2092 | rc = -EFAULT; |
2093 | } | |
2094 | ||
2095 | issue_host_reset: | |
2096 | if (issue_reset) | |
2097 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
2098 | FORCE_BIG_HAMMER); | |
2099 | ||
2100 | out: | |
2101 | ||
2102 | ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; | |
635374e7 EM |
2103 | return rc; |
2104 | } | |
2105 | ||
913809f6 | 2106 | |
2107 | #ifdef CONFIG_COMPAT | |
2108 | /** | |
2109 | * _ctl_compat_mpt_command - convert 32bit pointers to 64bit. | |
2110 | * @ioc: per adapter object | |
2111 | * @cmd - ioctl opcode | |
2112 | * @arg - (struct mpt2_ioctl_command32) | |
2113 | * | |
2114 | * MPT2COMMAND32 - Handle 32bit applications running on 64bit os. | |
2115 | */ | |
2116 | static long | |
2117 | _ctl_compat_mpt_command(struct MPT2SAS_ADAPTER *ioc, unsigned cmd, | |
2118 | void __user *arg) | |
2119 | { | |
2120 | struct mpt2_ioctl_command32 karg32; | |
2121 | struct mpt2_ioctl_command32 __user *uarg; | |
2122 | struct mpt2_ioctl_command karg; | |
2123 | ||
2124 | if (_IOC_SIZE(cmd) != sizeof(struct mpt2_ioctl_command32)) | |
2125 | return -EINVAL; | |
2126 | ||
2127 | uarg = (struct mpt2_ioctl_command32 __user *) arg; | |
2128 | ||
2129 | if (copy_from_user(&karg32, (char __user *)arg, sizeof(karg32))) { | |
2130 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
2131 | __FILE__, __LINE__, __func__); | |
2132 | return -EFAULT; | |
2133 | } | |
2134 | ||
2135 | memset(&karg, 0, sizeof(struct mpt2_ioctl_command)); | |
2136 | karg.hdr.ioc_number = karg32.hdr.ioc_number; | |
2137 | karg.hdr.port_number = karg32.hdr.port_number; | |
2138 | karg.hdr.max_data_size = karg32.hdr.max_data_size; | |
2139 | karg.timeout = karg32.timeout; | |
2140 | karg.max_reply_bytes = karg32.max_reply_bytes; | |
2141 | karg.data_in_size = karg32.data_in_size; | |
2142 | karg.data_out_size = karg32.data_out_size; | |
2143 | karg.max_sense_bytes = karg32.max_sense_bytes; | |
2144 | karg.data_sge_offset = karg32.data_sge_offset; | |
2145 | karg.reply_frame_buf_ptr = compat_ptr(karg32.reply_frame_buf_ptr); | |
2146 | karg.data_in_buf_ptr = compat_ptr(karg32.data_in_buf_ptr); | |
2147 | karg.data_out_buf_ptr = compat_ptr(karg32.data_out_buf_ptr); | |
2148 | karg.sense_data_ptr = compat_ptr(karg32.sense_data_ptr); | |
2149 | return _ctl_do_mpt_command(ioc, karg, &uarg->mf); | |
2150 | } | |
2151 | #endif | |
2152 | ||
635374e7 EM |
2153 | /** |
2154 | * _ctl_ioctl_main - main ioctl entry point | |
2155 | * @file - (struct file) | |
2156 | * @cmd - ioctl opcode | |
2157 | * @arg - | |
913809f6 | 2158 | * compat - handles 32 bit applications in 64bit os |
635374e7 EM |
2159 | */ |
2160 | static long | |
913809f6 | 2161 | _ctl_ioctl_main(struct file *file, unsigned int cmd, void __user *arg, |
2162 | u8 compat) | |
635374e7 | 2163 | { |
913809f6 | 2164 | struct MPT2SAS_ADAPTER *ioc; |
2165 | struct mpt2_ioctl_header ioctl_header; | |
635374e7 EM |
2166 | enum block_state state; |
2167 | long ret = -EINVAL; | |
635374e7 | 2168 | |
913809f6 | 2169 | /* get IOCTL header */ |
2170 | if (copy_from_user(&ioctl_header, (char __user *)arg, | |
2171 | sizeof(struct mpt2_ioctl_header))) { | |
2172 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
2173 | __FILE__, __LINE__, __func__); | |
2174 | return -EFAULT; | |
2175 | } | |
2176 | ||
2177 | if (_ctl_verify_adapter(ioctl_header.ioc_number, &ioc) == -1 || !ioc) | |
2178 | return -ENODEV; | |
6229b414 NN |
2179 | /* pci_access_mutex lock acquired by ioctl path */ |
2180 | mutex_lock(&ioc->pci_access_mutex); | |
913809f6 | 2181 | if (ioc->shost_recovery || ioc->pci_error_recovery || |
6229b414 NN |
2182 | ioc->is_driver_loading || ioc->remove_host) { |
2183 | ret = -EAGAIN; | |
2184 | goto out_unlock_pciaccess; | |
2185 | } | |
913809f6 | 2186 | |
2187 | state = (file->f_flags & O_NONBLOCK) ? NON_BLOCKING : BLOCKING; | |
b656688a | 2188 | if (state == NON_BLOCKING) { |
6229b414 NN |
2189 | if (!mutex_trylock(&ioc->ctl_cmds.mutex)) { |
2190 | ret = -EAGAIN; | |
2191 | goto out_unlock_pciaccess; | |
2192 | } | |
b656688a | 2193 | } else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex)) { |
6229b414 NN |
2194 | ret = -ERESTARTSYS; |
2195 | goto out_unlock_pciaccess; | |
b656688a | 2196 | } |
635374e7 EM |
2197 | |
2198 | switch (cmd) { | |
2199 | case MPT2IOCINFO: | |
2200 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_iocinfo)) | |
913809f6 | 2201 | ret = _ctl_getiocinfo(ioc, arg); |
635374e7 | 2202 | break; |
913809f6 | 2203 | #ifdef CONFIG_COMPAT |
2204 | case MPT2COMMAND32: | |
2205 | #endif | |
635374e7 EM |
2206 | case MPT2COMMAND: |
2207 | { | |
635374e7 | 2208 | struct mpt2_ioctl_command __user *uarg; |
913809f6 | 2209 | struct mpt2_ioctl_command karg; |
2210 | #ifdef CONFIG_COMPAT | |
2211 | if (compat) { | |
2212 | ret = _ctl_compat_mpt_command(ioc, cmd, arg); | |
2213 | break; | |
2214 | } | |
2215 | #endif | |
635374e7 EM |
2216 | if (copy_from_user(&karg, arg, sizeof(karg))) { |
2217 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
2218 | __FILE__, __LINE__, __func__); | |
913809f6 | 2219 | ret = -EFAULT; |
2220 | break; | |
635374e7 EM |
2221 | } |
2222 | ||
635374e7 EM |
2223 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_command)) { |
2224 | uarg = arg; | |
913809f6 | 2225 | ret = _ctl_do_mpt_command(ioc, karg, &uarg->mf); |
635374e7 EM |
2226 | } |
2227 | break; | |
2228 | } | |
2229 | case MPT2EVENTQUERY: | |
2230 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_eventquery)) | |
913809f6 | 2231 | ret = _ctl_eventquery(ioc, arg); |
635374e7 EM |
2232 | break; |
2233 | case MPT2EVENTENABLE: | |
2234 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_eventenable)) | |
913809f6 | 2235 | ret = _ctl_eventenable(ioc, arg); |
635374e7 EM |
2236 | break; |
2237 | case MPT2EVENTREPORT: | |
913809f6 | 2238 | ret = _ctl_eventreport(ioc, arg); |
635374e7 EM |
2239 | break; |
2240 | case MPT2HARDRESET: | |
2241 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_diag_reset)) | |
913809f6 | 2242 | ret = _ctl_do_reset(ioc, arg); |
635374e7 EM |
2243 | break; |
2244 | case MPT2BTDHMAPPING: | |
2245 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_btdh_mapping)) | |
913809f6 | 2246 | ret = _ctl_btdh_mapping(ioc, arg); |
635374e7 EM |
2247 | break; |
2248 | case MPT2DIAGREGISTER: | |
2249 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_register)) | |
913809f6 | 2250 | ret = _ctl_diag_register(ioc, arg); |
635374e7 EM |
2251 | break; |
2252 | case MPT2DIAGUNREGISTER: | |
2253 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_unregister)) | |
913809f6 | 2254 | ret = _ctl_diag_unregister(ioc, arg); |
635374e7 EM |
2255 | break; |
2256 | case MPT2DIAGQUERY: | |
2257 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_query)) | |
913809f6 | 2258 | ret = _ctl_diag_query(ioc, arg); |
635374e7 EM |
2259 | break; |
2260 | case MPT2DIAGRELEASE: | |
2261 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_release)) | |
913809f6 | 2262 | ret = _ctl_diag_release(ioc, arg); |
635374e7 EM |
2263 | break; |
2264 | case MPT2DIAGREADBUFFER: | |
2265 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_read_buffer)) | |
913809f6 | 2266 | ret = _ctl_diag_read_buffer(ioc, arg); |
635374e7 EM |
2267 | break; |
2268 | default: | |
635374e7 | 2269 | |
eabb08ad | 2270 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT |
635374e7 EM |
2271 | "unsupported ioctl opcode(0x%08x)\n", ioc->name, cmd)); |
2272 | break; | |
2273 | } | |
913809f6 | 2274 | |
2275 | mutex_unlock(&ioc->ctl_cmds.mutex); | |
6229b414 NN |
2276 | out_unlock_pciaccess: |
2277 | mutex_unlock(&ioc->pci_access_mutex); | |
635374e7 EM |
2278 | return ret; |
2279 | } | |
2280 | ||
2281 | /** | |
2282 | * _ctl_ioctl - main ioctl entry point (unlocked) | |
2283 | * @file - (struct file) | |
2284 | * @cmd - ioctl opcode | |
2285 | * @arg - | |
2286 | */ | |
2287 | static long | |
2288 | _ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
2289 | { | |
2290 | long ret; | |
7b936b02 | 2291 | |
913809f6 | 2292 | ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 0); |
635374e7 EM |
2293 | return ret; |
2294 | } | |
635374e7 | 2295 | #ifdef CONFIG_COMPAT |
635374e7 EM |
2296 | /** |
2297 | * _ctl_ioctl_compat - main ioctl entry point (compat) | |
2298 | * @file - | |
2299 | * @cmd - | |
2300 | * @arg - | |
2301 | * | |
2302 | * This routine handles 32 bit applications in 64bit os. | |
2303 | */ | |
2304 | static long | |
2305 | _ctl_ioctl_compat(struct file *file, unsigned cmd, unsigned long arg) | |
2306 | { | |
2307 | long ret; | |
7b936b02 | 2308 | |
913809f6 | 2309 | ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 1); |
635374e7 EM |
2310 | return ret; |
2311 | } | |
2312 | #endif | |
2313 | ||
2314 | /* scsi host attributes */ | |
2315 | ||
2316 | /** | |
2317 | * _ctl_version_fw_show - firmware version | |
2318 | * @cdev - pointer to embedded class device | |
2319 | * @buf - the buffer returned | |
2320 | * | |
2321 | * A sysfs 'read-only' shost attribute. | |
2322 | */ | |
2323 | static ssize_t | |
2324 | _ctl_version_fw_show(struct device *cdev, struct device_attribute *attr, | |
2325 | char *buf) | |
2326 | { | |
2327 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2328 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2329 | ||
2330 | return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n", | |
2331 | (ioc->facts.FWVersion.Word & 0xFF000000) >> 24, | |
2332 | (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16, | |
2333 | (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8, | |
2334 | ioc->facts.FWVersion.Word & 0x000000FF); | |
2335 | } | |
2336 | static DEVICE_ATTR(version_fw, S_IRUGO, _ctl_version_fw_show, NULL); | |
2337 | ||
2338 | /** | |
2339 | * _ctl_version_bios_show - bios version | |
2340 | * @cdev - pointer to embedded class device | |
2341 | * @buf - the buffer returned | |
2342 | * | |
2343 | * A sysfs 'read-only' shost attribute. | |
2344 | */ | |
2345 | static ssize_t | |
2346 | _ctl_version_bios_show(struct device *cdev, struct device_attribute *attr, | |
2347 | char *buf) | |
2348 | { | |
2349 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2350 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2351 | ||
2352 | u32 version = le32_to_cpu(ioc->bios_pg3.BiosVersion); | |
2353 | ||
2354 | return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n", | |
2355 | (version & 0xFF000000) >> 24, | |
2356 | (version & 0x00FF0000) >> 16, | |
2357 | (version & 0x0000FF00) >> 8, | |
2358 | version & 0x000000FF); | |
2359 | } | |
2360 | static DEVICE_ATTR(version_bios, S_IRUGO, _ctl_version_bios_show, NULL); | |
2361 | ||
2362 | /** | |
2363 | * _ctl_version_mpi_show - MPI (message passing interface) version | |
2364 | * @cdev - pointer to embedded class device | |
2365 | * @buf - the buffer returned | |
2366 | * | |
2367 | * A sysfs 'read-only' shost attribute. | |
2368 | */ | |
2369 | static ssize_t | |
2370 | _ctl_version_mpi_show(struct device *cdev, struct device_attribute *attr, | |
2371 | char *buf) | |
2372 | { | |
2373 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2374 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2375 | ||
2376 | return snprintf(buf, PAGE_SIZE, "%03x.%02x\n", | |
2377 | ioc->facts.MsgVersion, ioc->facts.HeaderVersion >> 8); | |
2378 | } | |
2379 | static DEVICE_ATTR(version_mpi, S_IRUGO, _ctl_version_mpi_show, NULL); | |
2380 | ||
2381 | /** | |
2382 | * _ctl_version_product_show - product name | |
2383 | * @cdev - pointer to embedded class device | |
2384 | * @buf - the buffer returned | |
2385 | * | |
2386 | * A sysfs 'read-only' shost attribute. | |
2387 | */ | |
2388 | static ssize_t | |
2389 | _ctl_version_product_show(struct device *cdev, struct device_attribute *attr, | |
2390 | char *buf) | |
2391 | { | |
2392 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2393 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2394 | ||
2395 | return snprintf(buf, 16, "%s\n", ioc->manu_pg0.ChipName); | |
2396 | } | |
2397 | static DEVICE_ATTR(version_product, S_IRUGO, | |
2398 | _ctl_version_product_show, NULL); | |
2399 | ||
2400 | /** | |
2401 | * _ctl_version_nvdata_persistent_show - ndvata persistent version | |
2402 | * @cdev - pointer to embedded class device | |
2403 | * @buf - the buffer returned | |
2404 | * | |
2405 | * A sysfs 'read-only' shost attribute. | |
2406 | */ | |
2407 | static ssize_t | |
2408 | _ctl_version_nvdata_persistent_show(struct device *cdev, | |
2409 | struct device_attribute *attr, char *buf) | |
2410 | { | |
2411 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2412 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2413 | ||
e94f6747 KD |
2414 | return snprintf(buf, PAGE_SIZE, "%08xh\n", |
2415 | le32_to_cpu(ioc->iounit_pg0.NvdataVersionPersistent.Word)); | |
635374e7 EM |
2416 | } |
2417 | static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO, | |
2418 | _ctl_version_nvdata_persistent_show, NULL); | |
2419 | ||
2420 | /** | |
2421 | * _ctl_version_nvdata_default_show - nvdata default version | |
2422 | * @cdev - pointer to embedded class device | |
2423 | * @buf - the buffer returned | |
2424 | * | |
2425 | * A sysfs 'read-only' shost attribute. | |
2426 | */ | |
2427 | static ssize_t | |
2428 | _ctl_version_nvdata_default_show(struct device *cdev, | |
2429 | struct device_attribute *attr, char *buf) | |
2430 | { | |
2431 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2432 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2433 | ||
e94f6747 KD |
2434 | return snprintf(buf, PAGE_SIZE, "%08xh\n", |
2435 | le32_to_cpu(ioc->iounit_pg0.NvdataVersionDefault.Word)); | |
635374e7 EM |
2436 | } |
2437 | static DEVICE_ATTR(version_nvdata_default, S_IRUGO, | |
2438 | _ctl_version_nvdata_default_show, NULL); | |
2439 | ||
2440 | /** | |
2441 | * _ctl_board_name_show - board name | |
2442 | * @cdev - pointer to embedded class device | |
2443 | * @buf - the buffer returned | |
2444 | * | |
2445 | * A sysfs 'read-only' shost attribute. | |
2446 | */ | |
2447 | static ssize_t | |
2448 | _ctl_board_name_show(struct device *cdev, struct device_attribute *attr, | |
2449 | char *buf) | |
2450 | { | |
2451 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2452 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2453 | ||
2454 | return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardName); | |
2455 | } | |
2456 | static DEVICE_ATTR(board_name, S_IRUGO, _ctl_board_name_show, NULL); | |
2457 | ||
2458 | /** | |
2459 | * _ctl_board_assembly_show - board assembly name | |
2460 | * @cdev - pointer to embedded class device | |
2461 | * @buf - the buffer returned | |
2462 | * | |
2463 | * A sysfs 'read-only' shost attribute. | |
2464 | */ | |
2465 | static ssize_t | |
2466 | _ctl_board_assembly_show(struct device *cdev, struct device_attribute *attr, | |
2467 | char *buf) | |
2468 | { | |
2469 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2470 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2471 | ||
2472 | return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardAssembly); | |
2473 | } | |
2474 | static DEVICE_ATTR(board_assembly, S_IRUGO, | |
2475 | _ctl_board_assembly_show, NULL); | |
2476 | ||
2477 | /** | |
2478 | * _ctl_board_tracer_show - board tracer number | |
2479 | * @cdev - pointer to embedded class device | |
2480 | * @buf - the buffer returned | |
2481 | * | |
2482 | * A sysfs 'read-only' shost attribute. | |
2483 | */ | |
2484 | static ssize_t | |
2485 | _ctl_board_tracer_show(struct device *cdev, struct device_attribute *attr, | |
2486 | char *buf) | |
2487 | { | |
2488 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2489 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2490 | ||
2491 | return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardTracerNumber); | |
2492 | } | |
2493 | static DEVICE_ATTR(board_tracer, S_IRUGO, | |
2494 | _ctl_board_tracer_show, NULL); | |
2495 | ||
2496 | /** | |
2497 | * _ctl_io_delay_show - io missing delay | |
2498 | * @cdev - pointer to embedded class device | |
2499 | * @buf - the buffer returned | |
2500 | * | |
2501 | * This is for firmware implemention for deboucing device | |
2502 | * removal events. | |
2503 | * | |
2504 | * A sysfs 'read-only' shost attribute. | |
2505 | */ | |
2506 | static ssize_t | |
2507 | _ctl_io_delay_show(struct device *cdev, struct device_attribute *attr, | |
2508 | char *buf) | |
2509 | { | |
2510 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2511 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2512 | ||
2513 | return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay); | |
2514 | } | |
2515 | static DEVICE_ATTR(io_delay, S_IRUGO, | |
2516 | _ctl_io_delay_show, NULL); | |
2517 | ||
2518 | /** | |
2519 | * _ctl_device_delay_show - device missing delay | |
2520 | * @cdev - pointer to embedded class device | |
2521 | * @buf - the buffer returned | |
2522 | * | |
2523 | * This is for firmware implemention for deboucing device | |
2524 | * removal events. | |
2525 | * | |
2526 | * A sysfs 'read-only' shost attribute. | |
2527 | */ | |
2528 | static ssize_t | |
2529 | _ctl_device_delay_show(struct device *cdev, struct device_attribute *attr, | |
2530 | char *buf) | |
2531 | { | |
2532 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2533 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2534 | ||
2535 | return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay); | |
2536 | } | |
2537 | static DEVICE_ATTR(device_delay, S_IRUGO, | |
2538 | _ctl_device_delay_show, NULL); | |
2539 | ||
2540 | /** | |
2541 | * _ctl_fw_queue_depth_show - global credits | |
2542 | * @cdev - pointer to embedded class device | |
2543 | * @buf - the buffer returned | |
2544 | * | |
2545 | * This is firmware queue depth limit | |
2546 | * | |
2547 | * A sysfs 'read-only' shost attribute. | |
2548 | */ | |
2549 | static ssize_t | |
2550 | _ctl_fw_queue_depth_show(struct device *cdev, struct device_attribute *attr, | |
2551 | char *buf) | |
2552 | { | |
2553 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2554 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2555 | ||
2556 | return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->facts.RequestCredit); | |
2557 | } | |
2558 | static DEVICE_ATTR(fw_queue_depth, S_IRUGO, | |
2559 | _ctl_fw_queue_depth_show, NULL); | |
2560 | ||
2561 | /** | |
2562 | * _ctl_sas_address_show - sas address | |
2563 | * @cdev - pointer to embedded class device | |
2564 | * @buf - the buffer returned | |
2565 | * | |
2566 | * This is the controller sas address | |
2567 | * | |
2568 | * A sysfs 'read-only' shost attribute. | |
2569 | */ | |
2570 | static ssize_t | |
2571 | _ctl_host_sas_address_show(struct device *cdev, struct device_attribute *attr, | |
2572 | char *buf) | |
2573 | { | |
2574 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2575 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2576 | ||
2577 | return snprintf(buf, PAGE_SIZE, "0x%016llx\n", | |
2578 | (unsigned long long)ioc->sas_hba.sas_address); | |
2579 | } | |
2580 | static DEVICE_ATTR(host_sas_address, S_IRUGO, | |
2581 | _ctl_host_sas_address_show, NULL); | |
2582 | ||
2583 | /** | |
2584 | * _ctl_logging_level_show - logging level | |
2585 | * @cdev - pointer to embedded class device | |
2586 | * @buf - the buffer returned | |
2587 | * | |
2588 | * A sysfs 'read/write' shost attribute. | |
2589 | */ | |
2590 | static ssize_t | |
2591 | _ctl_logging_level_show(struct device *cdev, struct device_attribute *attr, | |
2592 | char *buf) | |
2593 | { | |
2594 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2595 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2596 | ||
2597 | return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->logging_level); | |
2598 | } | |
2599 | static ssize_t | |
2600 | _ctl_logging_level_store(struct device *cdev, struct device_attribute *attr, | |
2601 | const char *buf, size_t count) | |
2602 | { | |
2603 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2604 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2605 | int val = 0; | |
2606 | ||
2607 | if (sscanf(buf, "%x", &val) != 1) | |
2608 | return -EINVAL; | |
2609 | ||
2610 | ioc->logging_level = val; | |
2611 | printk(MPT2SAS_INFO_FMT "logging_level=%08xh\n", ioc->name, | |
2612 | ioc->logging_level); | |
2613 | return strlen(buf); | |
2614 | } | |
2615 | static DEVICE_ATTR(logging_level, S_IRUGO | S_IWUSR, | |
2616 | _ctl_logging_level_show, _ctl_logging_level_store); | |
2617 | ||
fa7f3167 KD |
2618 | /* device attributes */ |
2619 | /* | |
2620 | * _ctl_fwfault_debug_show - show/store fwfault_debug | |
2621 | * @cdev - pointer to embedded class device | |
2622 | * @buf - the buffer returned | |
2623 | * | |
2624 | * mpt2sas_fwfault_debug is command line option | |
2625 | * A sysfs 'read/write' shost attribute. | |
2626 | */ | |
2627 | static ssize_t | |
2628 | _ctl_fwfault_debug_show(struct device *cdev, | |
2629 | struct device_attribute *attr, char *buf) | |
2630 | { | |
2631 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2632 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2633 | ||
2634 | return snprintf(buf, PAGE_SIZE, "%d\n", ioc->fwfault_debug); | |
2635 | } | |
2636 | static ssize_t | |
2637 | _ctl_fwfault_debug_store(struct device *cdev, | |
2638 | struct device_attribute *attr, const char *buf, size_t count) | |
2639 | { | |
2640 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2641 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2642 | int val = 0; | |
2643 | ||
2644 | if (sscanf(buf, "%d", &val) != 1) | |
2645 | return -EINVAL; | |
2646 | ||
2647 | ioc->fwfault_debug = val; | |
2648 | printk(MPT2SAS_INFO_FMT "fwfault_debug=%d\n", ioc->name, | |
2649 | ioc->fwfault_debug); | |
2650 | return strlen(buf); | |
2651 | } | |
2652 | static DEVICE_ATTR(fwfault_debug, S_IRUGO | S_IWUSR, | |
2653 | _ctl_fwfault_debug_show, _ctl_fwfault_debug_store); | |
2654 | ||
d32a8c15 KD |
2655 | |
2656 | /** | |
2657 | * _ctl_ioc_reset_count_show - ioc reset count | |
2658 | * @cdev - pointer to embedded class device | |
2659 | * @buf - the buffer returned | |
2660 | * | |
2661 | * This is firmware queue depth limit | |
2662 | * | |
2663 | * A sysfs 'read-only' shost attribute. | |
2664 | */ | |
2665 | static ssize_t | |
2666 | _ctl_ioc_reset_count_show(struct device *cdev, struct device_attribute *attr, | |
2667 | char *buf) | |
2668 | { | |
2669 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2670 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2671 | ||
2672 | return snprintf(buf, PAGE_SIZE, "%08d\n", ioc->ioc_reset_count); | |
2673 | } | |
2674 | static DEVICE_ATTR(ioc_reset_count, S_IRUGO, | |
2675 | _ctl_ioc_reset_count_show, NULL); | |
2676 | ||
911ae943 | 2677 | /** |
2678 | * _ctl_ioc_reply_queue_count_show - number of reply queues | |
2679 | * @cdev - pointer to embedded class device | |
2680 | * @buf - the buffer returned | |
2681 | * | |
2682 | * This is number of reply queues | |
2683 | * | |
2684 | * A sysfs 'read-only' shost attribute. | |
2685 | */ | |
2686 | static ssize_t | |
2687 | _ctl_ioc_reply_queue_count_show(struct device *cdev, | |
2688 | struct device_attribute *attr, char *buf) | |
2689 | { | |
2690 | u8 reply_queue_count; | |
2691 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2692 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2693 | ||
2694 | if ((ioc->facts.IOCCapabilities & | |
2695 | MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable) | |
2696 | reply_queue_count = ioc->reply_queue_count; | |
2697 | else | |
2698 | reply_queue_count = 1; | |
2699 | return snprintf(buf, PAGE_SIZE, "%d\n", reply_queue_count); | |
2700 | } | |
2701 | static DEVICE_ATTR(reply_queue_count, S_IRUGO, | |
2702 | _ctl_ioc_reply_queue_count_show, NULL); | |
2703 | ||
6c265660 | 2704 | /** |
2705 | * _ctl_BRM_status_show - Backup Rail Monitor Status | |
2706 | * @cdev - pointer to embedded class device | |
2707 | * @buf - the buffer returned | |
2708 | * | |
2709 | * This is number of reply queues | |
2710 | * | |
2711 | * A sysfs 'read-only' shost attribute. | |
2712 | */ | |
2713 | static ssize_t | |
2714 | _ctl_BRM_status_show(struct device *cdev, struct device_attribute *attr, | |
2715 | char *buf) | |
2716 | { | |
2717 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2718 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2719 | Mpi2IOUnitPage3_t *io_unit_pg3 = NULL; | |
2720 | Mpi2ConfigReply_t mpi_reply; | |
2721 | u16 backup_rail_monitor_status = 0; | |
2722 | u16 ioc_status; | |
2723 | int sz; | |
2724 | ssize_t rc = 0; | |
2725 | ||
2726 | if (!ioc->is_warpdrive) { | |
2727 | printk(MPT2SAS_ERR_FMT "%s: BRM attribute is only for"\ | |
2728 | "warpdrive\n", ioc->name, __func__); | |
2729 | goto out; | |
2730 | } | |
6229b414 NN |
2731 | /* pci_access_mutex lock acquired by sysfs show path */ |
2732 | mutex_lock(&ioc->pci_access_mutex); | |
2733 | if (ioc->pci_error_recovery || ioc->remove_host) { | |
2734 | mutex_unlock(&ioc->pci_access_mutex); | |
2735 | return 0; | |
2736 | } | |
6c265660 | 2737 | |
2738 | /* allocate upto GPIOVal 36 entries */ | |
2739 | sz = offsetof(Mpi2IOUnitPage3_t, GPIOVal) + (sizeof(u16) * 36); | |
2740 | io_unit_pg3 = kzalloc(sz, GFP_KERNEL); | |
2741 | if (!io_unit_pg3) { | |
2742 | printk(MPT2SAS_ERR_FMT "%s: failed allocating memory"\ | |
2743 | "for iounit_pg3: (%d) bytes\n", ioc->name, __func__, sz); | |
2744 | goto out; | |
2745 | } | |
2746 | ||
2747 | if (mpt2sas_config_get_iounit_pg3(ioc, &mpi_reply, io_unit_pg3, sz) != | |
2748 | 0) { | |
2749 | printk(MPT2SAS_ERR_FMT | |
2750 | "%s: failed reading iounit_pg3\n", ioc->name, | |
2751 | __func__); | |
2752 | goto out; | |
2753 | } | |
2754 | ||
2755 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; | |
2756 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { | |
2757 | printk(MPT2SAS_ERR_FMT "%s: iounit_pg3 failed with"\ | |
2758 | "ioc_status(0x%04x)\n", ioc->name, __func__, ioc_status); | |
2759 | goto out; | |
2760 | } | |
2761 | ||
2762 | if (io_unit_pg3->GPIOCount < 25) { | |
2763 | printk(MPT2SAS_ERR_FMT "%s: iounit_pg3->GPIOCount less than"\ | |
2764 | "25 entries, detected (%d) entries\n", ioc->name, __func__, | |
2765 | io_unit_pg3->GPIOCount); | |
2766 | goto out; | |
2767 | } | |
2768 | ||
2769 | /* BRM status is in bit zero of GPIOVal[24] */ | |
2770 | backup_rail_monitor_status = le16_to_cpu(io_unit_pg3->GPIOVal[24]); | |
2771 | rc = snprintf(buf, PAGE_SIZE, "%d\n", (backup_rail_monitor_status & 1)); | |
2772 | ||
2773 | out: | |
2774 | kfree(io_unit_pg3); | |
6229b414 | 2775 | mutex_unlock(&ioc->pci_access_mutex); |
6c265660 | 2776 | return rc; |
2777 | } | |
2778 | static DEVICE_ATTR(BRM_status, S_IRUGO, _ctl_BRM_status_show, NULL); | |
2779 | ||
570c67ac | 2780 | struct DIAG_BUFFER_START { |
c97951ec KD |
2781 | __le32 Size; |
2782 | __le32 DiagVersion; | |
570c67ac KD |
2783 | u8 BufferType; |
2784 | u8 Reserved[3]; | |
c97951ec KD |
2785 | __le32 Reserved1; |
2786 | __le32 Reserved2; | |
2787 | __le32 Reserved3; | |
570c67ac KD |
2788 | }; |
2789 | /** | |
2790 | * _ctl_host_trace_buffer_size_show - host buffer size (trace only) | |
2791 | * @cdev - pointer to embedded class device | |
2792 | * @buf - the buffer returned | |
2793 | * | |
2794 | * A sysfs 'read-only' shost attribute. | |
2795 | */ | |
2796 | static ssize_t | |
2797 | _ctl_host_trace_buffer_size_show(struct device *cdev, | |
2798 | struct device_attribute *attr, char *buf) | |
2799 | { | |
2800 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2801 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2802 | u32 size = 0; | |
2803 | struct DIAG_BUFFER_START *request_data; | |
2804 | ||
2805 | if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) { | |
2806 | printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not " | |
2807 | "registered\n", ioc->name, __func__); | |
2808 | return 0; | |
2809 | } | |
2810 | ||
2811 | if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2812 | MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) { | |
2813 | printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not " | |
2814 | "registered\n", ioc->name, __func__); | |
2815 | return 0; | |
2816 | } | |
2817 | ||
2818 | request_data = (struct DIAG_BUFFER_START *) | |
2819 | ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]; | |
2820 | if ((le32_to_cpu(request_data->DiagVersion) == 0x00000000 || | |
2821 | le32_to_cpu(request_data->DiagVersion) == 0x01000000) && | |
2822 | le32_to_cpu(request_data->Reserved3) == 0x4742444c) | |
2823 | size = le32_to_cpu(request_data->Size); | |
2824 | ||
2825 | ioc->ring_buffer_sz = size; | |
2826 | return snprintf(buf, PAGE_SIZE, "%d\n", size); | |
2827 | } | |
2828 | static DEVICE_ATTR(host_trace_buffer_size, S_IRUGO, | |
2829 | _ctl_host_trace_buffer_size_show, NULL); | |
2830 | ||
2831 | /** | |
2832 | * _ctl_host_trace_buffer_show - firmware ring buffer (trace only) | |
2833 | * @cdev - pointer to embedded class device | |
2834 | * @buf - the buffer returned | |
2835 | * | |
2836 | * A sysfs 'read/write' shost attribute. | |
2837 | * | |
2838 | * You will only be able to read 4k bytes of ring buffer at a time. | |
2839 | * In order to read beyond 4k bytes, you will have to write out the | |
2840 | * offset to the same attribute, it will move the pointer. | |
2841 | */ | |
2842 | static ssize_t | |
2843 | _ctl_host_trace_buffer_show(struct device *cdev, struct device_attribute *attr, | |
2844 | char *buf) | |
2845 | { | |
2846 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2847 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2848 | void *request_data; | |
2849 | u32 size; | |
2850 | ||
2851 | if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) { | |
2852 | printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not " | |
2853 | "registered\n", ioc->name, __func__); | |
2854 | return 0; | |
2855 | } | |
2856 | ||
2857 | if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2858 | MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) { | |
2859 | printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not " | |
2860 | "registered\n", ioc->name, __func__); | |
2861 | return 0; | |
2862 | } | |
2863 | ||
2864 | if (ioc->ring_buffer_offset > ioc->ring_buffer_sz) | |
2865 | return 0; | |
2866 | ||
2867 | size = ioc->ring_buffer_sz - ioc->ring_buffer_offset; | |
2868 | size = (size > PAGE_SIZE) ? PAGE_SIZE : size; | |
2869 | request_data = ioc->diag_buffer[0] + ioc->ring_buffer_offset; | |
2870 | memcpy(buf, request_data, size); | |
2871 | return size; | |
2872 | } | |
2873 | ||
2874 | static ssize_t | |
2875 | _ctl_host_trace_buffer_store(struct device *cdev, struct device_attribute *attr, | |
2876 | const char *buf, size_t count) | |
2877 | { | |
2878 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2879 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2880 | int val = 0; | |
2881 | ||
2882 | if (sscanf(buf, "%d", &val) != 1) | |
2883 | return -EINVAL; | |
2884 | ||
2885 | ioc->ring_buffer_offset = val; | |
2886 | return strlen(buf); | |
2887 | } | |
2888 | static DEVICE_ATTR(host_trace_buffer, S_IRUGO | S_IWUSR, | |
2889 | _ctl_host_trace_buffer_show, _ctl_host_trace_buffer_store); | |
2890 | ||
2891 | /*****************************************/ | |
2892 | ||
2893 | /** | |
2894 | * _ctl_host_trace_buffer_enable_show - firmware ring buffer (trace only) | |
2895 | * @cdev - pointer to embedded class device | |
2896 | * @buf - the buffer returned | |
2897 | * | |
2898 | * A sysfs 'read/write' shost attribute. | |
2899 | * | |
2900 | * This is a mechnism to post/release host_trace_buffers | |
2901 | */ | |
2902 | static ssize_t | |
2903 | _ctl_host_trace_buffer_enable_show(struct device *cdev, | |
2904 | struct device_attribute *attr, char *buf) | |
2905 | { | |
2906 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2907 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2908 | ||
2909 | if ((!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) || | |
2910 | ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2911 | MPT2_DIAG_BUFFER_IS_REGISTERED) == 0)) | |
2912 | return snprintf(buf, PAGE_SIZE, "off\n"); | |
2913 | else if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2914 | MPT2_DIAG_BUFFER_IS_RELEASED)) | |
2915 | return snprintf(buf, PAGE_SIZE, "release\n"); | |
2916 | else | |
2917 | return snprintf(buf, PAGE_SIZE, "post\n"); | |
2918 | } | |
2919 | ||
2920 | static ssize_t | |
2921 | _ctl_host_trace_buffer_enable_store(struct device *cdev, | |
2922 | struct device_attribute *attr, const char *buf, size_t count) | |
2923 | { | |
2924 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2925 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2926 | char str[10] = ""; | |
2927 | struct mpt2_diag_register diag_register; | |
2928 | u8 issue_reset = 0; | |
2929 | ||
298c794d | 2930 | if (sscanf(buf, "%9s", str) != 1) |
570c67ac KD |
2931 | return -EINVAL; |
2932 | ||
2933 | if (!strcmp(str, "post")) { | |
2934 | /* exit out if host buffers are already posted */ | |
2935 | if ((ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) && | |
2936 | (ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2937 | MPT2_DIAG_BUFFER_IS_REGISTERED) && | |
2938 | ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2939 | MPT2_DIAG_BUFFER_IS_RELEASED) == 0)) | |
2940 | goto out; | |
2941 | memset(&diag_register, 0, sizeof(struct mpt2_diag_register)); | |
2942 | printk(MPT2SAS_INFO_FMT "posting host trace buffers\n", | |
2943 | ioc->name); | |
2944 | diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_TRACE; | |
2945 | diag_register.requested_buffer_size = (1024 * 1024); | |
2946 | diag_register.unique_id = 0x7075900; | |
2947 | ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] = 0; | |
2948 | _ctl_diag_register_2(ioc, &diag_register); | |
2949 | } else if (!strcmp(str, "release")) { | |
2950 | /* exit out if host buffers are already released */ | |
2951 | if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) | |
2952 | goto out; | |
2953 | if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2954 | MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) | |
2955 | goto out; | |
2956 | if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2957 | MPT2_DIAG_BUFFER_IS_RELEASED)) | |
2958 | goto out; | |
2959 | printk(MPT2SAS_INFO_FMT "releasing host trace buffer\n", | |
2960 | ioc->name); | |
2961 | _ctl_send_release(ioc, MPI2_DIAG_BUF_TYPE_TRACE, &issue_reset); | |
2962 | } | |
2963 | ||
2964 | out: | |
2965 | return strlen(buf); | |
2966 | } | |
2967 | static DEVICE_ATTR(host_trace_buffer_enable, S_IRUGO | S_IWUSR, | |
2968 | _ctl_host_trace_buffer_enable_show, _ctl_host_trace_buffer_enable_store); | |
d32a8c15 | 2969 | |
635374e7 EM |
2970 | struct device_attribute *mpt2sas_host_attrs[] = { |
2971 | &dev_attr_version_fw, | |
2972 | &dev_attr_version_bios, | |
2973 | &dev_attr_version_mpi, | |
2974 | &dev_attr_version_product, | |
2975 | &dev_attr_version_nvdata_persistent, | |
2976 | &dev_attr_version_nvdata_default, | |
2977 | &dev_attr_board_name, | |
2978 | &dev_attr_board_assembly, | |
2979 | &dev_attr_board_tracer, | |
2980 | &dev_attr_io_delay, | |
2981 | &dev_attr_device_delay, | |
2982 | &dev_attr_logging_level, | |
fa7f3167 | 2983 | &dev_attr_fwfault_debug, |
635374e7 EM |
2984 | &dev_attr_fw_queue_depth, |
2985 | &dev_attr_host_sas_address, | |
d32a8c15 | 2986 | &dev_attr_ioc_reset_count, |
570c67ac KD |
2987 | &dev_attr_host_trace_buffer_size, |
2988 | &dev_attr_host_trace_buffer, | |
2989 | &dev_attr_host_trace_buffer_enable, | |
911ae943 | 2990 | &dev_attr_reply_queue_count, |
6c265660 | 2991 | &dev_attr_BRM_status, |
635374e7 EM |
2992 | NULL, |
2993 | }; | |
2994 | ||
635374e7 EM |
2995 | /** |
2996 | * _ctl_device_sas_address_show - sas address | |
2997 | * @cdev - pointer to embedded class device | |
2998 | * @buf - the buffer returned | |
2999 | * | |
3000 | * This is the sas address for the target | |
3001 | * | |
3002 | * A sysfs 'read-only' shost attribute. | |
3003 | */ | |
3004 | static ssize_t | |
3005 | _ctl_device_sas_address_show(struct device *dev, struct device_attribute *attr, | |
3006 | char *buf) | |
3007 | { | |
3008 | struct scsi_device *sdev = to_scsi_device(dev); | |
3009 | struct MPT2SAS_DEVICE *sas_device_priv_data = sdev->hostdata; | |
3010 | ||
3011 | return snprintf(buf, PAGE_SIZE, "0x%016llx\n", | |
3012 | (unsigned long long)sas_device_priv_data->sas_target->sas_address); | |
3013 | } | |
3014 | static DEVICE_ATTR(sas_address, S_IRUGO, _ctl_device_sas_address_show, NULL); | |
3015 | ||
3016 | /** | |
3017 | * _ctl_device_handle_show - device handle | |
3018 | * @cdev - pointer to embedded class device | |
3019 | * @buf - the buffer returned | |
3020 | * | |
3021 | * This is the firmware assigned device handle | |
3022 | * | |
3023 | * A sysfs 'read-only' shost attribute. | |
3024 | */ | |
3025 | static ssize_t | |
3026 | _ctl_device_handle_show(struct device *dev, struct device_attribute *attr, | |
3027 | char *buf) | |
3028 | { | |
3029 | struct scsi_device *sdev = to_scsi_device(dev); | |
3030 | struct MPT2SAS_DEVICE *sas_device_priv_data = sdev->hostdata; | |
3031 | ||
3032 | return snprintf(buf, PAGE_SIZE, "0x%04x\n", | |
3033 | sas_device_priv_data->sas_target->handle); | |
3034 | } | |
3035 | static DEVICE_ATTR(sas_device_handle, S_IRUGO, _ctl_device_handle_show, NULL); | |
3036 | ||
3037 | struct device_attribute *mpt2sas_dev_attrs[] = { | |
3038 | &dev_attr_sas_address, | |
3039 | &dev_attr_sas_device_handle, | |
3040 | NULL, | |
3041 | }; | |
3042 | ||
3043 | static const struct file_operations ctl_fops = { | |
3044 | .owner = THIS_MODULE, | |
3045 | .unlocked_ioctl = _ctl_ioctl, | |
635374e7 EM |
3046 | .poll = _ctl_poll, |
3047 | .fasync = _ctl_fasync, | |
3048 | #ifdef CONFIG_COMPAT | |
3049 | .compat_ioctl = _ctl_ioctl_compat, | |
3050 | #endif | |
6038f373 | 3051 | .llseek = noop_llseek, |
635374e7 EM |
3052 | }; |
3053 | ||
3054 | static struct miscdevice ctl_dev = { | |
3055 | .minor = MPT2SAS_MINOR, | |
3056 | .name = MPT2SAS_DEV_NAME, | |
3057 | .fops = &ctl_fops, | |
3058 | }; | |
3059 | ||
3060 | /** | |
3061 | * mpt2sas_ctl_init - main entry point for ctl. | |
3062 | * | |
3063 | */ | |
3064 | void | |
3065 | mpt2sas_ctl_init(void) | |
3066 | { | |
3067 | async_queue = NULL; | |
3068 | if (misc_register(&ctl_dev) < 0) | |
3069 | printk(KERN_ERR "%s can't register misc device [minor=%d]\n", | |
3070 | MPT2SAS_DRIVER_NAME, MPT2SAS_MINOR); | |
3071 | ||
3072 | init_waitqueue_head(&ctl_poll_wait); | |
3073 | } | |
3074 | ||
3075 | /** | |
3076 | * mpt2sas_ctl_exit - exit point for ctl | |
3077 | * | |
3078 | */ | |
3079 | void | |
3080 | mpt2sas_ctl_exit(void) | |
3081 | { | |
3082 | struct MPT2SAS_ADAPTER *ioc; | |
3083 | int i; | |
3084 | ||
ba33fadf | 3085 | list_for_each_entry(ioc, &mpt2sas_ioc_list, list) { |
635374e7 EM |
3086 | |
3087 | /* free memory associated to diag buffers */ | |
3088 | for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { | |
3089 | if (!ioc->diag_buffer[i]) | |
3090 | continue; | |
3091 | pci_free_consistent(ioc->pdev, ioc->diag_buffer_sz[i], | |
3092 | ioc->diag_buffer[i], ioc->diag_buffer_dma[i]); | |
3093 | ioc->diag_buffer[i] = NULL; | |
3094 | ioc->diag_buffer_status[i] = 0; | |
3095 | } | |
3096 | ||
3097 | kfree(ioc->event_log); | |
3098 | } | |
3099 | misc_deregister(&ctl_dev); | |
3100 | } | |
3101 |