Commit | Line | Data |
---|---|---|
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 | |
31b7f2e2 | 6 | * Copyright (C) 2007-2010 LSI Corporation |
635374e7 EM |
7 | * (mailto:DL-MPTFusionLinux@lsi.com) |
8 | * | |
9 | * This program is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU General Public License | |
11 | * as published by the Free Software Foundation; either version 2 | |
12 | * of the License, or (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * NO WARRANTY | |
20 | * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR | |
21 | * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT | |
22 | * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, | |
23 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is | |
24 | * solely responsible for determining the appropriateness of using and | |
25 | * distributing the Program and assumes all risks associated with its | |
26 | * exercise of rights under this Agreement, including but not limited to | |
27 | * the risks and costs of program errors, damage to or loss of data, | |
28 | * programs or equipment, and unavailability or interruption of operations. | |
29 | ||
30 | * DISCLAIMER OF LIABILITY | |
31 | * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY | |
32 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
33 | * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND | |
34 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR | |
35 | * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE | |
36 | * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED | |
37 | * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES | |
38 | ||
39 | * You should have received a copy of the GNU General Public License | |
40 | * along with this program; if not, write to the Free Software | |
41 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, | |
42 | * USA. | |
43 | */ | |
44 | ||
635374e7 EM |
45 | #include <linux/kernel.h> |
46 | #include <linux/module.h> | |
47 | #include <linux/errno.h> | |
48 | #include <linux/init.h> | |
49 | #include <linux/slab.h> | |
50 | #include <linux/types.h> | |
51 | #include <linux/pci.h> | |
52 | #include <linux/delay.h> | |
c45d15d2 | 53 | #include <linux/mutex.h> |
635374e7 EM |
54 | #include <linux/compat.h> |
55 | #include <linux/poll.h> | |
56 | ||
57 | #include <linux/io.h> | |
58 | #include <linux/uaccess.h> | |
59 | ||
60 | #include "mpt2sas_base.h" | |
61 | #include "mpt2sas_ctl.h" | |
62 | ||
c45d15d2 | 63 | static DEFINE_MUTEX(_ctl_mutex); |
635374e7 EM |
64 | static struct fasync_struct *async_queue; |
65 | static DECLARE_WAIT_QUEUE_HEAD(ctl_poll_wait); | |
66 | ||
99bb214b EM |
67 | static int _ctl_send_release(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type, |
68 | u8 *issue_reset); | |
69 | ||
635374e7 EM |
70 | /** |
71 | * enum block_state - blocking state | |
72 | * @NON_BLOCKING: non blocking | |
73 | * @BLOCKING: blocking | |
74 | * | |
75 | * These states are for ioctls that need to wait for a response | |
76 | * from firmware, so they probably require sleep. | |
77 | */ | |
78 | enum block_state { | |
79 | NON_BLOCKING, | |
80 | BLOCKING, | |
81 | }; | |
82 | ||
363fa50f | 83 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
7fbae67a KD |
84 | /** |
85 | * _ctl_sas_device_find_by_handle - sas device search | |
86 | * @ioc: per adapter object | |
87 | * @handle: sas device handle (assigned by firmware) | |
88 | * Context: Calling function should acquire ioc->sas_device_lock | |
89 | * | |
90 | * This searches for sas_device based on sas_address, then return sas_device | |
91 | * object. | |
92 | */ | |
93 | static struct _sas_device * | |
94 | _ctl_sas_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) | |
95 | { | |
96 | struct _sas_device *sas_device, *r; | |
97 | ||
98 | r = NULL; | |
99 | list_for_each_entry(sas_device, &ioc->sas_device_list, list) { | |
100 | if (sas_device->handle != handle) | |
101 | continue; | |
102 | r = sas_device; | |
103 | goto out; | |
104 | } | |
105 | ||
106 | out: | |
107 | return r; | |
108 | } | |
109 | ||
635374e7 EM |
110 | /** |
111 | * _ctl_display_some_debug - debug routine | |
112 | * @ioc: per adapter object | |
113 | * @smid: system request message index | |
114 | * @calling_function_name: string pass from calling function | |
115 | * @mpi_reply: reply message frame | |
116 | * Context: none. | |
117 | * | |
25985edc | 118 | * Function for displaying debug info helpful when debugging issues |
635374e7 EM |
119 | * in this module. |
120 | */ | |
121 | static void | |
122 | _ctl_display_some_debug(struct MPT2SAS_ADAPTER *ioc, u16 smid, | |
123 | char *calling_function_name, MPI2DefaultReply_t *mpi_reply) | |
124 | { | |
125 | Mpi2ConfigRequest_t *mpi_request; | |
126 | char *desc = NULL; | |
127 | ||
128 | if (!(ioc->logging_level & MPT_DEBUG_IOCTL)) | |
129 | return; | |
130 | ||
131 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
132 | switch (mpi_request->Function) { | |
133 | case MPI2_FUNCTION_SCSI_IO_REQUEST: | |
134 | { | |
135 | Mpi2SCSIIORequest_t *scsi_request = | |
136 | (Mpi2SCSIIORequest_t *)mpi_request; | |
137 | ||
138 | snprintf(ioc->tmp_string, MPT_STRING_LENGTH, | |
139 | "scsi_io, cmd(0x%02x), cdb_len(%d)", | |
140 | scsi_request->CDB.CDB32[0], | |
141 | le16_to_cpu(scsi_request->IoFlags) & 0xF); | |
142 | desc = ioc->tmp_string; | |
143 | break; | |
144 | } | |
145 | case MPI2_FUNCTION_SCSI_TASK_MGMT: | |
146 | desc = "task_mgmt"; | |
147 | break; | |
148 | case MPI2_FUNCTION_IOC_INIT: | |
149 | desc = "ioc_init"; | |
150 | break; | |
151 | case MPI2_FUNCTION_IOC_FACTS: | |
152 | desc = "ioc_facts"; | |
153 | break; | |
154 | case MPI2_FUNCTION_CONFIG: | |
155 | { | |
156 | Mpi2ConfigRequest_t *config_request = | |
157 | (Mpi2ConfigRequest_t *)mpi_request; | |
158 | ||
159 | snprintf(ioc->tmp_string, MPT_STRING_LENGTH, | |
160 | "config, type(0x%02x), ext_type(0x%02x), number(%d)", | |
161 | (config_request->Header.PageType & | |
162 | MPI2_CONFIG_PAGETYPE_MASK), config_request->ExtPageType, | |
163 | config_request->Header.PageNumber); | |
164 | desc = ioc->tmp_string; | |
165 | break; | |
166 | } | |
167 | case MPI2_FUNCTION_PORT_FACTS: | |
168 | desc = "port_facts"; | |
169 | break; | |
170 | case MPI2_FUNCTION_PORT_ENABLE: | |
171 | desc = "port_enable"; | |
172 | break; | |
173 | case MPI2_FUNCTION_EVENT_NOTIFICATION: | |
174 | desc = "event_notification"; | |
175 | break; | |
176 | case MPI2_FUNCTION_FW_DOWNLOAD: | |
177 | desc = "fw_download"; | |
178 | break; | |
179 | case MPI2_FUNCTION_FW_UPLOAD: | |
180 | desc = "fw_upload"; | |
181 | break; | |
182 | case MPI2_FUNCTION_RAID_ACTION: | |
183 | desc = "raid_action"; | |
184 | break; | |
185 | case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: | |
186 | { | |
187 | Mpi2SCSIIORequest_t *scsi_request = | |
188 | (Mpi2SCSIIORequest_t *)mpi_request; | |
189 | ||
190 | snprintf(ioc->tmp_string, MPT_STRING_LENGTH, | |
191 | "raid_pass, cmd(0x%02x), cdb_len(%d)", | |
192 | scsi_request->CDB.CDB32[0], | |
193 | le16_to_cpu(scsi_request->IoFlags) & 0xF); | |
194 | desc = ioc->tmp_string; | |
195 | break; | |
196 | } | |
197 | case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL: | |
198 | desc = "sas_iounit_cntl"; | |
199 | break; | |
200 | case MPI2_FUNCTION_SATA_PASSTHROUGH: | |
201 | desc = "sata_pass"; | |
202 | break; | |
203 | case MPI2_FUNCTION_DIAG_BUFFER_POST: | |
204 | desc = "diag_buffer_post"; | |
205 | break; | |
206 | case MPI2_FUNCTION_DIAG_RELEASE: | |
207 | desc = "diag_release"; | |
208 | break; | |
209 | case MPI2_FUNCTION_SMP_PASSTHROUGH: | |
210 | desc = "smp_passthrough"; | |
211 | break; | |
212 | } | |
213 | ||
214 | if (!desc) | |
215 | return; | |
216 | ||
eabb08ad | 217 | printk(MPT2SAS_INFO_FMT "%s: %s, smid(%d)\n", |
635374e7 EM |
218 | ioc->name, calling_function_name, desc, smid); |
219 | ||
220 | if (!mpi_reply) | |
221 | return; | |
222 | ||
223 | if (mpi_reply->IOCStatus || mpi_reply->IOCLogInfo) | |
eabb08ad | 224 | printk(MPT2SAS_INFO_FMT |
635374e7 EM |
225 | "\tiocstatus(0x%04x), loginfo(0x%08x)\n", |
226 | ioc->name, le16_to_cpu(mpi_reply->IOCStatus), | |
227 | le32_to_cpu(mpi_reply->IOCLogInfo)); | |
228 | ||
229 | if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || | |
230 | mpi_request->Function == | |
231 | MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) { | |
232 | Mpi2SCSIIOReply_t *scsi_reply = | |
233 | (Mpi2SCSIIOReply_t *)mpi_reply; | |
7fbae67a KD |
234 | struct _sas_device *sas_device = NULL; |
235 | unsigned long flags; | |
236 | ||
237 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
238 | sas_device = _ctl_sas_device_find_by_handle(ioc, | |
239 | le16_to_cpu(scsi_reply->DevHandle)); | |
240 | if (sas_device) { | |
241 | printk(MPT2SAS_WARN_FMT "\tsas_address(0x%016llx), " | |
242 | "phy(%d)\n", ioc->name, (unsigned long long) | |
243 | sas_device->sas_address, sas_device->phy); | |
244 | printk(MPT2SAS_WARN_FMT | |
245 | "\tenclosure_logical_id(0x%016llx), slot(%d)\n", | |
246 | ioc->name, sas_device->enclosure_logical_id, | |
247 | sas_device->slot); | |
248 | } | |
249 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
635374e7 | 250 | if (scsi_reply->SCSIState || scsi_reply->SCSIStatus) |
eabb08ad | 251 | printk(MPT2SAS_INFO_FMT |
635374e7 EM |
252 | "\tscsi_state(0x%02x), scsi_status" |
253 | "(0x%02x)\n", ioc->name, | |
254 | scsi_reply->SCSIState, | |
255 | scsi_reply->SCSIStatus); | |
256 | } | |
257 | } | |
258 | #endif | |
259 | ||
260 | /** | |
261 | * mpt2sas_ctl_done - ctl module completion routine | |
262 | * @ioc: per adapter object | |
263 | * @smid: system request message index | |
7b936b02 | 264 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
265 | * @reply: reply message frame(lower 32bit addr) |
266 | * Context: none. | |
267 | * | |
268 | * The callback handler when using ioc->ctl_cb_idx. | |
269 | * | |
77e63ed4 KD |
270 | * Return 1 meaning mf should be freed from _base_interrupt |
271 | * 0 means the mf is freed from this function. | |
635374e7 | 272 | */ |
77e63ed4 | 273 | u8 |
7b936b02 KD |
274 | mpt2sas_ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, |
275 | u32 reply) | |
635374e7 EM |
276 | { |
277 | MPI2DefaultReply_t *mpi_reply; | |
769578ff KD |
278 | Mpi2SCSIIOReply_t *scsiio_reply; |
279 | const void *sense_data; | |
280 | u32 sz; | |
635374e7 EM |
281 | |
282 | if (ioc->ctl_cmds.status == MPT2_CMD_NOT_USED) | |
77e63ed4 | 283 | return 1; |
635374e7 | 284 | if (ioc->ctl_cmds.smid != smid) |
77e63ed4 | 285 | return 1; |
635374e7 EM |
286 | ioc->ctl_cmds.status |= MPT2_CMD_COMPLETE; |
287 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); | |
288 | if (mpi_reply) { | |
289 | memcpy(ioc->ctl_cmds.reply, mpi_reply, mpi_reply->MsgLength*4); | |
290 | ioc->ctl_cmds.status |= MPT2_CMD_REPLY_VALID; | |
769578ff KD |
291 | /* get sense data */ |
292 | if (mpi_reply->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || | |
293 | mpi_reply->Function == | |
294 | MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) { | |
295 | scsiio_reply = (Mpi2SCSIIOReply_t *)mpi_reply; | |
296 | if (scsiio_reply->SCSIState & | |
297 | MPI2_SCSI_STATE_AUTOSENSE_VALID) { | |
298 | sz = min_t(u32, SCSI_SENSE_BUFFERSIZE, | |
299 | le32_to_cpu(scsiio_reply->SenseCount)); | |
300 | sense_data = mpt2sas_base_get_sense_buffer(ioc, | |
301 | smid); | |
302 | memcpy(ioc->ctl_cmds.sense, sense_data, sz); | |
303 | } | |
304 | } | |
635374e7 EM |
305 | } |
306 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
307 | _ctl_display_some_debug(ioc, smid, "ctl_done", mpi_reply); | |
308 | #endif | |
309 | ioc->ctl_cmds.status &= ~MPT2_CMD_PENDING; | |
310 | complete(&ioc->ctl_cmds.done); | |
77e63ed4 | 311 | return 1; |
635374e7 EM |
312 | } |
313 | ||
314 | /** | |
315 | * _ctl_check_event_type - determines when an event needs logging | |
316 | * @ioc: per adapter object | |
317 | * @event: firmware event | |
318 | * | |
319 | * The bitmask in ioc->event_type[] indicates which events should be | |
320 | * be saved in the driver event_log. This bitmask is set by application. | |
321 | * | |
322 | * Returns 1 when event should be captured, or zero means no match. | |
323 | */ | |
324 | static int | |
325 | _ctl_check_event_type(struct MPT2SAS_ADAPTER *ioc, u16 event) | |
326 | { | |
327 | u16 i; | |
328 | u32 desired_event; | |
329 | ||
330 | if (event >= 128 || !event || !ioc->event_log) | |
331 | return 0; | |
332 | ||
333 | desired_event = (1 << (event % 32)); | |
334 | if (!desired_event) | |
335 | desired_event = 1; | |
336 | i = event / 32; | |
337 | return desired_event & ioc->event_type[i]; | |
338 | } | |
339 | ||
340 | /** | |
341 | * mpt2sas_ctl_add_to_event_log - add event | |
342 | * @ioc: per adapter object | |
343 | * @mpi_reply: reply message frame | |
344 | * | |
345 | * Return nothing. | |
346 | */ | |
347 | void | |
348 | mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc, | |
349 | Mpi2EventNotificationReply_t *mpi_reply) | |
350 | { | |
351 | struct MPT2_IOCTL_EVENTS *event_log; | |
352 | u16 event; | |
353 | int i; | |
354 | u32 sz, event_data_sz; | |
355 | u8 send_aen = 0; | |
356 | ||
357 | if (!ioc->event_log) | |
358 | return; | |
359 | ||
360 | event = le16_to_cpu(mpi_reply->Event); | |
361 | ||
362 | if (_ctl_check_event_type(ioc, event)) { | |
363 | ||
364 | /* insert entry into circular event_log */ | |
365 | i = ioc->event_context % MPT2SAS_CTL_EVENT_LOG_SIZE; | |
366 | event_log = ioc->event_log; | |
367 | event_log[i].event = event; | |
368 | event_log[i].context = ioc->event_context++; | |
369 | ||
370 | event_data_sz = le16_to_cpu(mpi_reply->EventDataLength)*4; | |
371 | sz = min_t(u32, event_data_sz, MPT2_EVENT_DATA_SIZE); | |
372 | memset(event_log[i].data, 0, MPT2_EVENT_DATA_SIZE); | |
373 | memcpy(event_log[i].data, mpi_reply->EventData, sz); | |
374 | send_aen = 1; | |
375 | } | |
376 | ||
377 | /* This aen_event_read_flag flag is set until the | |
378 | * application has read the event log. | |
379 | * For MPI2_EVENT_LOG_ENTRY_ADDED, we always notify. | |
380 | */ | |
381 | if (event == MPI2_EVENT_LOG_ENTRY_ADDED || | |
382 | (send_aen && !ioc->aen_event_read_flag)) { | |
383 | ioc->aen_event_read_flag = 1; | |
384 | wake_up_interruptible(&ctl_poll_wait); | |
385 | if (async_queue) | |
386 | kill_fasync(&async_queue, SIGIO, POLL_IN); | |
387 | } | |
388 | } | |
389 | ||
390 | /** | |
391 | * mpt2sas_ctl_event_callback - firmware event handler (called at ISR time) | |
392 | * @ioc: per adapter object | |
7b936b02 | 393 | * @msix_index: MSIX table index supplied by the OS |
635374e7 EM |
394 | * @reply: reply message frame(lower 32bit addr) |
395 | * Context: interrupt. | |
396 | * | |
397 | * This function merely adds a new work task into ioc->firmware_event_thread. | |
398 | * The tasks are worked from _firmware_event_work in user context. | |
399 | * | |
77e63ed4 KD |
400 | * Return 1 meaning mf should be freed from _base_interrupt |
401 | * 0 means the mf is freed from this function. | |
635374e7 | 402 | */ |
77e63ed4 | 403 | u8 |
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); | |
410 | mpt2sas_ctl_add_to_event_log(ioc, mpi_reply); | |
77e63ed4 | 411 | return 1; |
635374e7 EM |
412 | } |
413 | ||
414 | /** | |
415 | * _ctl_verify_adapter - validates ioc_number passed from application | |
416 | * @ioc: per adapter object | |
417 | * @iocpp: The ioc pointer is returned in this. | |
418 | * | |
419 | * Return (-1) means error, else ioc_number. | |
420 | */ | |
421 | static int | |
422 | _ctl_verify_adapter(int ioc_number, struct MPT2SAS_ADAPTER **iocpp) | |
423 | { | |
424 | struct MPT2SAS_ADAPTER *ioc; | |
425 | ||
ba33fadf | 426 | list_for_each_entry(ioc, &mpt2sas_ioc_list, list) { |
635374e7 EM |
427 | if (ioc->id != ioc_number) |
428 | continue; | |
429 | *iocpp = ioc; | |
430 | return ioc_number; | |
431 | } | |
432 | *iocpp = NULL; | |
433 | return -1; | |
434 | } | |
435 | ||
436 | /** | |
437 | * mpt2sas_ctl_reset_handler - reset callback handler (for ctl) | |
438 | * @ioc: per adapter object | |
439 | * @reset_phase: phase | |
440 | * | |
441 | * The handler for doing any required cleanup or initialization. | |
442 | * | |
443 | * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET, | |
444 | * MPT2_IOC_DONE_RESET | |
445 | */ | |
446 | void | |
447 | mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) | |
448 | { | |
99bb214b EM |
449 | int i; |
450 | u8 issue_reset; | |
451 | ||
635374e7 EM |
452 | switch (reset_phase) { |
453 | case MPT2_IOC_PRE_RESET: | |
eabb08ad | 454 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
635374e7 | 455 | "MPT2_IOC_PRE_RESET\n", ioc->name, __func__)); |
99bb214b EM |
456 | for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { |
457 | if (!(ioc->diag_buffer_status[i] & | |
458 | MPT2_DIAG_BUFFER_IS_REGISTERED)) | |
459 | continue; | |
460 | if ((ioc->diag_buffer_status[i] & | |
461 | MPT2_DIAG_BUFFER_IS_RELEASED)) | |
462 | continue; | |
463 | _ctl_send_release(ioc, i, &issue_reset); | |
464 | } | |
635374e7 EM |
465 | break; |
466 | case MPT2_IOC_AFTER_RESET: | |
eabb08ad | 467 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
635374e7 EM |
468 | "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__)); |
469 | if (ioc->ctl_cmds.status & MPT2_CMD_PENDING) { | |
470 | ioc->ctl_cmds.status |= MPT2_CMD_RESET; | |
471 | mpt2sas_base_free_smid(ioc, ioc->ctl_cmds.smid); | |
472 | complete(&ioc->ctl_cmds.done); | |
473 | } | |
474 | break; | |
475 | case MPT2_IOC_DONE_RESET: | |
eabb08ad | 476 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
635374e7 | 477 | "MPT2_IOC_DONE_RESET\n", ioc->name, __func__)); |
99bb214b EM |
478 | |
479 | for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { | |
480 | if (!(ioc->diag_buffer_status[i] & | |
481 | MPT2_DIAG_BUFFER_IS_REGISTERED)) | |
482 | continue; | |
483 | if ((ioc->diag_buffer_status[i] & | |
484 | MPT2_DIAG_BUFFER_IS_RELEASED)) | |
485 | continue; | |
486 | ioc->diag_buffer_status[i] |= | |
487 | MPT2_DIAG_BUFFER_IS_DIAG_RESET; | |
488 | } | |
635374e7 EM |
489 | break; |
490 | } | |
491 | } | |
492 | ||
493 | /** | |
494 | * _ctl_fasync - | |
495 | * @fd - | |
496 | * @filep - | |
497 | * @mode - | |
498 | * | |
499 | * Called when application request fasyn callback handler. | |
500 | */ | |
501 | static int | |
502 | _ctl_fasync(int fd, struct file *filep, int mode) | |
503 | { | |
504 | return fasync_helper(fd, filep, mode, &async_queue); | |
505 | } | |
506 | ||
507 | /** | |
508 | * _ctl_release - | |
509 | * @inode - | |
510 | * @filep - | |
511 | * | |
512 | * Called when application releases the fasyn callback handler. | |
513 | */ | |
514 | static int | |
515 | _ctl_release(struct inode *inode, struct file *filep) | |
516 | { | |
517 | return fasync_helper(-1, filep, 0, &async_queue); | |
518 | } | |
519 | ||
520 | /** | |
521 | * _ctl_poll - | |
522 | * @file - | |
523 | * @wait - | |
524 | * | |
525 | */ | |
526 | static unsigned int | |
527 | _ctl_poll(struct file *filep, poll_table *wait) | |
528 | { | |
529 | struct MPT2SAS_ADAPTER *ioc; | |
530 | ||
531 | poll_wait(filep, &ctl_poll_wait, wait); | |
532 | ||
ba33fadf | 533 | list_for_each_entry(ioc, &mpt2sas_ioc_list, list) { |
635374e7 EM |
534 | if (ioc->aen_event_read_flag) |
535 | return POLLIN | POLLRDNORM; | |
536 | } | |
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 | |
623 | * @state - NON_BLOCKING or BLOCKING | |
624 | */ | |
625 | static long | |
626 | _ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc, | |
627 | struct mpt2_ioctl_command karg, void __user *mf, enum block_state state) | |
628 | { | |
1bbfa378 | 629 | MPI2RequestHeader_t *mpi_request = NULL, *request; |
635374e7 EM |
630 | MPI2DefaultReply_t *mpi_reply; |
631 | u32 ioc_state; | |
632 | u16 ioc_status; | |
633 | u16 smid; | |
634 | unsigned long timeout, timeleft; | |
635 | u8 issue_reset; | |
636 | u32 sz; | |
637 | void *psge; | |
635374e7 EM |
638 | void *data_out = NULL; |
639 | dma_addr_t data_out_dma; | |
640 | size_t data_out_sz = 0; | |
641 | void *data_in = NULL; | |
642 | dma_addr_t data_in_dma; | |
643 | size_t data_in_sz = 0; | |
644 | u32 sgl_flags; | |
645 | long ret; | |
646 | u16 wait_state_count; | |
647 | ||
648 | issue_reset = 0; | |
649 | ||
650 | if (state == NON_BLOCKING && !mutex_trylock(&ioc->ctl_cmds.mutex)) | |
651 | return -EAGAIN; | |
652 | else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex)) | |
653 | return -ERESTARTSYS; | |
654 | ||
655 | if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) { | |
656 | printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n", | |
657 | ioc->name, __func__); | |
658 | ret = -EAGAIN; | |
659 | goto out; | |
660 | } | |
661 | ||
662 | wait_state_count = 0; | |
663 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
664 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
665 | if (wait_state_count++ == 10) { | |
666 | printk(MPT2SAS_ERR_FMT | |
667 | "%s: failed due to ioc not operational\n", | |
668 | ioc->name, __func__); | |
669 | ret = -EFAULT; | |
670 | goto out; | |
671 | } | |
672 | ssleep(1); | |
673 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); | |
674 | printk(MPT2SAS_INFO_FMT "%s: waiting for " | |
675 | "operational state(count=%d)\n", ioc->name, | |
676 | __func__, wait_state_count); | |
677 | } | |
678 | if (wait_state_count) | |
679 | printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n", | |
680 | ioc->name, __func__); | |
681 | ||
1bbfa378 KD |
682 | mpi_request = kzalloc(ioc->request_sz, GFP_KERNEL); |
683 | if (!mpi_request) { | |
684 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a memory for " | |
685 | "mpi_request\n", ioc->name, __func__); | |
686 | ret = -ENOMEM; | |
635374e7 EM |
687 | goto out; |
688 | } | |
689 | ||
a1f74ae8 DR |
690 | /* Check for overflow and wraparound */ |
691 | if (karg.data_sge_offset * 4 > ioc->request_sz || | |
692 | karg.data_sge_offset > (UINT_MAX / 4)) { | |
693 | ret = -EINVAL; | |
694 | goto out; | |
695 | } | |
696 | ||
635374e7 EM |
697 | /* copy in request message frame from user */ |
698 | if (copy_from_user(mpi_request, mf, karg.data_sge_offset*4)) { | |
699 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, __LINE__, | |
700 | __func__); | |
701 | ret = -EFAULT; | |
635374e7 EM |
702 | goto out; |
703 | } | |
704 | ||
1bbfa378 KD |
705 | if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) { |
706 | smid = mpt2sas_base_get_smid_hpr(ioc, ioc->ctl_cb_idx); | |
707 | if (!smid) { | |
708 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
709 | ioc->name, __func__); | |
710 | ret = -EAGAIN; | |
711 | goto out; | |
712 | } | |
713 | } else { | |
714 | ||
715 | smid = mpt2sas_base_get_smid_scsiio(ioc, ioc->ctl_cb_idx, NULL); | |
716 | if (!smid) { | |
717 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
718 | ioc->name, __func__); | |
719 | ret = -EAGAIN; | |
720 | goto out; | |
721 | } | |
722 | } | |
723 | ||
724 | ret = 0; | |
725 | ioc->ctl_cmds.status = MPT2_CMD_PENDING; | |
726 | memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); | |
727 | request = mpt2sas_base_get_msg_frame(ioc, smid); | |
728 | memcpy(request, mpi_request, karg.data_sge_offset*4); | |
729 | ioc->ctl_cmds.smid = smid; | |
730 | data_out_sz = karg.data_out_size; | |
731 | data_in_sz = karg.data_in_size; | |
732 | ||
635374e7 EM |
733 | if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || |
734 | mpi_request->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) { | |
e94f6747 KD |
735 | if (!le16_to_cpu(mpi_request->FunctionDependent1) || |
736 | le16_to_cpu(mpi_request->FunctionDependent1) > | |
737 | ioc->facts.MaxDevHandle) { | |
635374e7 EM |
738 | ret = -EINVAL; |
739 | mpt2sas_base_free_smid(ioc, smid); | |
740 | goto out; | |
741 | } | |
742 | } | |
743 | ||
744 | /* obtain dma-able memory for data transfer */ | |
745 | if (data_out_sz) /* WRITE */ { | |
746 | data_out = pci_alloc_consistent(ioc->pdev, data_out_sz, | |
747 | &data_out_dma); | |
748 | if (!data_out) { | |
749 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, | |
750 | __LINE__, __func__); | |
751 | ret = -ENOMEM; | |
752 | mpt2sas_base_free_smid(ioc, smid); | |
753 | goto out; | |
754 | } | |
755 | if (copy_from_user(data_out, karg.data_out_buf_ptr, | |
756 | data_out_sz)) { | |
757 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, | |
758 | __LINE__, __func__); | |
759 | ret = -EFAULT; | |
760 | mpt2sas_base_free_smid(ioc, smid); | |
761 | goto out; | |
762 | } | |
763 | } | |
764 | ||
765 | if (data_in_sz) /* READ */ { | |
766 | data_in = pci_alloc_consistent(ioc->pdev, data_in_sz, | |
767 | &data_in_dma); | |
768 | if (!data_in) { | |
769 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, | |
770 | __LINE__, __func__); | |
771 | ret = -ENOMEM; | |
772 | mpt2sas_base_free_smid(ioc, smid); | |
773 | goto out; | |
774 | } | |
775 | } | |
776 | ||
777 | /* add scatter gather elements */ | |
1bbfa378 | 778 | psge = (void *)request + (karg.data_sge_offset*4); |
635374e7 EM |
779 | |
780 | if (!data_out_sz && !data_in_sz) { | |
781 | mpt2sas_base_build_zero_len_sge(ioc, psge); | |
782 | } else if (data_out_sz && data_in_sz) { | |
783 | /* WRITE sgel first */ | |
784 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
785 | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC); | |
786 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
787 | ioc->base_add_sg_single(psge, sgl_flags | | |
788 | data_out_sz, data_out_dma); | |
789 | ||
790 | /* incr sgel */ | |
791 | psge += ioc->sge_size; | |
792 | ||
793 | /* READ sgel last */ | |
794 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
795 | MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | | |
796 | MPI2_SGE_FLAGS_END_OF_LIST); | |
797 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
798 | ioc->base_add_sg_single(psge, sgl_flags | | |
799 | data_in_sz, data_in_dma); | |
800 | } else if (data_out_sz) /* WRITE */ { | |
801 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
802 | MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | | |
803 | MPI2_SGE_FLAGS_END_OF_LIST | MPI2_SGE_FLAGS_HOST_TO_IOC); | |
804 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
805 | ioc->base_add_sg_single(psge, sgl_flags | | |
806 | data_out_sz, data_out_dma); | |
807 | } else if (data_in_sz) /* READ */ { | |
808 | sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT | | |
809 | MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER | | |
810 | MPI2_SGE_FLAGS_END_OF_LIST); | |
811 | sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; | |
812 | ioc->base_add_sg_single(psge, sgl_flags | | |
813 | data_in_sz, data_in_dma); | |
814 | } | |
815 | ||
816 | /* send command to firmware */ | |
817 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
818 | _ctl_display_some_debug(ioc, smid, "ctl_request", NULL); | |
819 | #endif | |
820 | ||
f01690d3 | 821 | init_completion(&ioc->ctl_cmds.done); |
635374e7 EM |
822 | switch (mpi_request->Function) { |
823 | case MPI2_FUNCTION_SCSI_IO_REQUEST: | |
824 | case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: | |
825 | { | |
826 | Mpi2SCSIIORequest_t *scsiio_request = | |
1bbfa378 | 827 | (Mpi2SCSIIORequest_t *)request; |
769578ff | 828 | scsiio_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE; |
635374e7 | 829 | scsiio_request->SenseBufferLowAddress = |
ec9472c7 | 830 | mpt2sas_base_get_sense_buffer_dma(ioc, smid); |
769578ff | 831 | memset(ioc->ctl_cmds.sense, 0, SCSI_SENSE_BUFFERSIZE); |
ebda4d38 KD |
832 | if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST) |
833 | mpt2sas_base_put_smid_scsi_io(ioc, smid, | |
834 | le16_to_cpu(mpi_request->FunctionDependent1)); | |
835 | else | |
836 | mpt2sas_base_put_smid_default(ioc, smid); | |
635374e7 EM |
837 | break; |
838 | } | |
839 | case MPI2_FUNCTION_SCSI_TASK_MGMT: | |
840 | { | |
841 | Mpi2SCSITaskManagementRequest_t *tm_request = | |
1bbfa378 | 842 | (Mpi2SCSITaskManagementRequest_t *)request; |
635374e7 | 843 | |
eabb08ad | 844 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "TASK_MGMT: " |
8ed9a03a KD |
845 | "handle(0x%04x), task_type(0x%02x)\n", ioc->name, |
846 | le16_to_cpu(tm_request->DevHandle), tm_request->TaskType)); | |
847 | ||
635374e7 | 848 | if (tm_request->TaskType == |
ddf59a35 EM |
849 | MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK || |
850 | tm_request->TaskType == | |
851 | MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK) { | |
852 | if (_ctl_set_task_mid(ioc, &karg, tm_request)) { | |
77bdd9ee | 853 | mpt2sas_base_free_smid(ioc, smid); |
635374e7 | 854 | goto out; |
77bdd9ee | 855 | } |
635374e7 EM |
856 | } |
857 | ||
635374e7 EM |
858 | mpt2sas_scsih_set_tm_flag(ioc, le16_to_cpu( |
859 | tm_request->DevHandle)); | |
7b936b02 | 860 | mpt2sas_base_put_smid_hi_priority(ioc, smid); |
635374e7 EM |
861 | break; |
862 | } | |
863 | case MPI2_FUNCTION_SMP_PASSTHROUGH: | |
864 | { | |
865 | Mpi2SmpPassthroughRequest_t *smp_request = | |
866 | (Mpi2SmpPassthroughRequest_t *)mpi_request; | |
867 | u8 *data; | |
868 | ||
869 | /* ioc determines which port to use */ | |
870 | smp_request->PhysicalPort = 0xFF; | |
871 | if (smp_request->PassthroughFlags & | |
872 | MPI2_SMP_PT_REQ_PT_FLAGS_IMMEDIATE) | |
873 | data = (u8 *)&smp_request->SGL; | |
874 | else | |
875 | data = data_out; | |
876 | ||
877 | if (data[1] == 0x91 && (data[10] == 1 || data[10] == 2)) { | |
878 | ioc->ioc_link_reset_in_progress = 1; | |
879 | ioc->ignore_loginfos = 1; | |
880 | } | |
7b936b02 | 881 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
882 | break; |
883 | } | |
884 | case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL: | |
885 | { | |
886 | Mpi2SasIoUnitControlRequest_t *sasiounit_request = | |
887 | (Mpi2SasIoUnitControlRequest_t *)mpi_request; | |
888 | ||
889 | if (sasiounit_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET | |
890 | || sasiounit_request->Operation == | |
891 | MPI2_SAS_OP_PHY_LINK_RESET) { | |
892 | ioc->ioc_link_reset_in_progress = 1; | |
893 | ioc->ignore_loginfos = 1; | |
894 | } | |
7b936b02 | 895 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
896 | break; |
897 | } | |
898 | default: | |
7b936b02 | 899 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
900 | break; |
901 | } | |
902 | ||
903 | if (karg.timeout < MPT2_IOCTL_DEFAULT_TIMEOUT) | |
904 | timeout = MPT2_IOCTL_DEFAULT_TIMEOUT; | |
905 | else | |
906 | timeout = karg.timeout; | |
907 | timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, | |
908 | timeout*HZ); | |
909 | if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) { | |
910 | Mpi2SCSITaskManagementRequest_t *tm_request = | |
911 | (Mpi2SCSITaskManagementRequest_t *)mpi_request; | |
635374e7 EM |
912 | mpt2sas_scsih_clear_tm_flag(ioc, le16_to_cpu( |
913 | tm_request->DevHandle)); | |
914 | } else if ((mpi_request->Function == MPI2_FUNCTION_SMP_PASSTHROUGH || | |
915 | mpi_request->Function == MPI2_FUNCTION_SAS_IO_UNIT_CONTROL) && | |
916 | ioc->ioc_link_reset_in_progress) { | |
917 | ioc->ioc_link_reset_in_progress = 0; | |
918 | ioc->ignore_loginfos = 0; | |
919 | } | |
920 | if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) { | |
921 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name, | |
922 | __func__); | |
923 | _debug_dump_mf(mpi_request, karg.data_sge_offset); | |
924 | if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET)) | |
925 | issue_reset = 1; | |
926 | goto issue_host_reset; | |
927 | } | |
928 | ||
929 | mpi_reply = ioc->ctl_cmds.reply; | |
930 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; | |
931 | ||
932 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING | |
933 | if (mpi_reply->Function == MPI2_FUNCTION_SCSI_TASK_MGMT && | |
934 | (ioc->logging_level & MPT_DEBUG_TM)) { | |
935 | Mpi2SCSITaskManagementReply_t *tm_reply = | |
936 | (Mpi2SCSITaskManagementReply_t *)mpi_reply; | |
937 | ||
eabb08ad | 938 | printk(MPT2SAS_INFO_FMT "TASK_MGMT: " |
635374e7 EM |
939 | "IOCStatus(0x%04x), IOCLogInfo(0x%08x), " |
940 | "TerminationCount(0x%08x)\n", ioc->name, | |
463217bf KD |
941 | le16_to_cpu(tm_reply->IOCStatus), |
942 | le32_to_cpu(tm_reply->IOCLogInfo), | |
943 | le32_to_cpu(tm_reply->TerminationCount)); | |
635374e7 EM |
944 | } |
945 | #endif | |
946 | /* copy out xdata to user */ | |
947 | if (data_in_sz) { | |
948 | if (copy_to_user(karg.data_in_buf_ptr, data_in, | |
949 | data_in_sz)) { | |
950 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, | |
951 | __LINE__, __func__); | |
952 | ret = -ENODATA; | |
953 | goto out; | |
954 | } | |
955 | } | |
956 | ||
957 | /* copy out reply message frame to user */ | |
958 | if (karg.max_reply_bytes) { | |
959 | sz = min_t(u32, karg.max_reply_bytes, ioc->reply_sz); | |
960 | if (copy_to_user(karg.reply_frame_buf_ptr, ioc->ctl_cmds.reply, | |
961 | sz)) { | |
962 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, | |
963 | __LINE__, __func__); | |
964 | ret = -ENODATA; | |
965 | goto out; | |
966 | } | |
967 | } | |
968 | ||
969 | /* copy out sense to user */ | |
970 | if (karg.max_sense_bytes && (mpi_request->Function == | |
971 | MPI2_FUNCTION_SCSI_IO_REQUEST || mpi_request->Function == | |
972 | MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) { | |
973 | sz = min_t(u32, karg.max_sense_bytes, SCSI_SENSE_BUFFERSIZE); | |
769578ff KD |
974 | if (copy_to_user(karg.sense_data_ptr, |
975 | ioc->ctl_cmds.sense, sz)) { | |
635374e7 EM |
976 | printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, |
977 | __LINE__, __func__); | |
978 | ret = -ENODATA; | |
979 | goto out; | |
980 | } | |
981 | } | |
982 | ||
983 | issue_host_reset: | |
984 | if (issue_reset) { | |
b2ff36ba | 985 | ret = -ENODATA; |
635374e7 EM |
986 | if ((mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || |
987 | mpi_request->Function == | |
988 | MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) { | |
989 | printk(MPT2SAS_INFO_FMT "issue target reset: handle " | |
990 | "= (0x%04x)\n", ioc->name, | |
e94f6747 | 991 | le16_to_cpu(mpi_request->FunctionDependent1)); |
fa7f3167 | 992 | mpt2sas_halt_firmware(ioc); |
635374e7 | 993 | mpt2sas_scsih_issue_tm(ioc, |
8ed9a03a KD |
994 | le16_to_cpu(mpi_request->FunctionDependent1), 0, 0, |
995 | 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 10, | |
f93213de | 996 | 0, TM_MUTEX_ON); |
635374e7 | 997 | ioc->tm_cmds.status = MPT2_CMD_NOT_USED; |
635374e7 EM |
998 | } else |
999 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
1000 | FORCE_BIG_HAMMER); | |
1001 | } | |
1002 | ||
1003 | out: | |
1004 | ||
1005 | /* free memory associated with sg buffers */ | |
1006 | if (data_in) | |
1007 | pci_free_consistent(ioc->pdev, data_in_sz, data_in, | |
1008 | data_in_dma); | |
1009 | ||
1010 | if (data_out) | |
1011 | pci_free_consistent(ioc->pdev, data_out_sz, data_out, | |
1012 | data_out_dma); | |
1013 | ||
1bbfa378 | 1014 | kfree(mpi_request); |
635374e7 EM |
1015 | ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; |
1016 | mutex_unlock(&ioc->ctl_cmds.mutex); | |
1017 | return ret; | |
1018 | } | |
1019 | ||
1020 | /** | |
1021 | * _ctl_getiocinfo - main handler for MPT2IOCINFO opcode | |
1022 | * @arg - user space buffer containing ioctl content | |
1023 | */ | |
1024 | static long | |
1025 | _ctl_getiocinfo(void __user *arg) | |
1026 | { | |
1027 | struct mpt2_ioctl_iocinfo karg; | |
1028 | struct MPT2SAS_ADAPTER *ioc; | |
1029 | u8 revision; | |
1030 | ||
1031 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1032 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1033 | __FILE__, __LINE__, __func__); | |
1034 | return -EFAULT; | |
1035 | } | |
1036 | if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc) | |
1037 | return -ENODEV; | |
1038 | ||
eabb08ad | 1039 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, |
635374e7 EM |
1040 | __func__)); |
1041 | ||
1042 | memset(&karg, 0 , sizeof(karg)); | |
0bdccdb0 KD |
1043 | if (ioc->is_warpdrive) |
1044 | karg.adapter_type = MPT2_IOCTL_INTERFACE_SAS2_SSS6200; | |
1045 | else | |
1046 | karg.adapter_type = MPT2_IOCTL_INTERFACE_SAS2; | |
635374e7 EM |
1047 | if (ioc->pfacts) |
1048 | karg.port_number = ioc->pfacts[0].PortNumber; | |
1049 | pci_read_config_byte(ioc->pdev, PCI_CLASS_REVISION, &revision); | |
1050 | karg.hw_rev = revision; | |
1051 | karg.pci_id = ioc->pdev->device; | |
1052 | karg.subsystem_device = ioc->pdev->subsystem_device; | |
1053 | karg.subsystem_vendor = ioc->pdev->subsystem_vendor; | |
1054 | karg.pci_information.u.bits.bus = ioc->pdev->bus->number; | |
1055 | karg.pci_information.u.bits.device = PCI_SLOT(ioc->pdev->devfn); | |
1056 | karg.pci_information.u.bits.function = PCI_FUNC(ioc->pdev->devfn); | |
1057 | karg.pci_information.segment_id = pci_domain_nr(ioc->pdev->bus); | |
1058 | karg.firmware_version = ioc->facts.FWVersion.Word; | |
e5f9bb19 EM |
1059 | strcpy(karg.driver_version, MPT2SAS_DRIVER_NAME); |
1060 | strcat(karg.driver_version, "-"); | |
1061 | strcat(karg.driver_version, MPT2SAS_DRIVER_VERSION); | |
635374e7 EM |
1062 | karg.bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion); |
1063 | ||
1064 | if (copy_to_user(arg, &karg, sizeof(karg))) { | |
1065 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1066 | __FILE__, __LINE__, __func__); | |
1067 | return -EFAULT; | |
1068 | } | |
1069 | return 0; | |
1070 | } | |
1071 | ||
1072 | /** | |
1073 | * _ctl_eventquery - main handler for MPT2EVENTQUERY opcode | |
1074 | * @arg - user space buffer containing ioctl content | |
1075 | */ | |
1076 | static long | |
1077 | _ctl_eventquery(void __user *arg) | |
1078 | { | |
1079 | struct mpt2_ioctl_eventquery karg; | |
1080 | struct MPT2SAS_ADAPTER *ioc; | |
1081 | ||
1082 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1083 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1084 | __FILE__, __LINE__, __func__); | |
1085 | return -EFAULT; | |
1086 | } | |
1087 | if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc) | |
1088 | return -ENODEV; | |
1089 | ||
eabb08ad | 1090 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, |
635374e7 EM |
1091 | __func__)); |
1092 | ||
1093 | karg.event_entries = MPT2SAS_CTL_EVENT_LOG_SIZE; | |
1094 | memcpy(karg.event_types, ioc->event_type, | |
1095 | MPI2_EVENT_NOTIFY_EVENTMASK_WORDS * sizeof(u32)); | |
1096 | ||
1097 | if (copy_to_user(arg, &karg, sizeof(karg))) { | |
1098 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1099 | __FILE__, __LINE__, __func__); | |
1100 | return -EFAULT; | |
1101 | } | |
1102 | return 0; | |
1103 | } | |
1104 | ||
1105 | /** | |
1106 | * _ctl_eventenable - main handler for MPT2EVENTENABLE opcode | |
1107 | * @arg - user space buffer containing ioctl content | |
1108 | */ | |
1109 | static long | |
1110 | _ctl_eventenable(void __user *arg) | |
1111 | { | |
1112 | struct mpt2_ioctl_eventenable karg; | |
1113 | struct MPT2SAS_ADAPTER *ioc; | |
1114 | ||
1115 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1116 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1117 | __FILE__, __LINE__, __func__); | |
1118 | return -EFAULT; | |
1119 | } | |
1120 | if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc) | |
1121 | return -ENODEV; | |
1122 | ||
eabb08ad | 1123 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, |
635374e7 EM |
1124 | __func__)); |
1125 | ||
1126 | if (ioc->event_log) | |
1127 | return 0; | |
1128 | memcpy(ioc->event_type, karg.event_types, | |
1129 | MPI2_EVENT_NOTIFY_EVENTMASK_WORDS * sizeof(u32)); | |
1130 | mpt2sas_base_validate_event_type(ioc, ioc->event_type); | |
1131 | ||
1132 | /* initialize event_log */ | |
1133 | ioc->event_context = 0; | |
1134 | ioc->aen_event_read_flag = 0; | |
1135 | ioc->event_log = kcalloc(MPT2SAS_CTL_EVENT_LOG_SIZE, | |
1136 | sizeof(struct MPT2_IOCTL_EVENTS), GFP_KERNEL); | |
1137 | if (!ioc->event_log) { | |
1138 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1139 | __FILE__, __LINE__, __func__); | |
1140 | return -ENOMEM; | |
1141 | } | |
1142 | return 0; | |
1143 | } | |
1144 | ||
1145 | /** | |
1146 | * _ctl_eventreport - main handler for MPT2EVENTREPORT opcode | |
1147 | * @arg - user space buffer containing ioctl content | |
1148 | */ | |
1149 | static long | |
1150 | _ctl_eventreport(void __user *arg) | |
1151 | { | |
1152 | struct mpt2_ioctl_eventreport karg; | |
1153 | struct MPT2SAS_ADAPTER *ioc; | |
1154 | u32 number_bytes, max_events, max; | |
1155 | struct mpt2_ioctl_eventreport __user *uarg = arg; | |
1156 | ||
1157 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1158 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1159 | __FILE__, __LINE__, __func__); | |
1160 | return -EFAULT; | |
1161 | } | |
1162 | if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc) | |
1163 | return -ENODEV; | |
1164 | ||
eabb08ad | 1165 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, |
635374e7 EM |
1166 | __func__)); |
1167 | ||
1168 | number_bytes = karg.hdr.max_data_size - | |
1169 | sizeof(struct mpt2_ioctl_header); | |
1170 | max_events = number_bytes/sizeof(struct MPT2_IOCTL_EVENTS); | |
1171 | max = min_t(u32, MPT2SAS_CTL_EVENT_LOG_SIZE, max_events); | |
1172 | ||
1173 | /* If fewer than 1 event is requested, there must have | |
1174 | * been some type of error. | |
1175 | */ | |
1176 | if (!max || !ioc->event_log) | |
1177 | return -ENODATA; | |
1178 | ||
1179 | number_bytes = max * sizeof(struct MPT2_IOCTL_EVENTS); | |
1180 | if (copy_to_user(uarg->event_data, ioc->event_log, number_bytes)) { | |
1181 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1182 | __FILE__, __LINE__, __func__); | |
1183 | return -EFAULT; | |
1184 | } | |
1185 | ||
1186 | /* reset flag so SIGIO can restart */ | |
1187 | ioc->aen_event_read_flag = 0; | |
1188 | return 0; | |
1189 | } | |
1190 | ||
1191 | /** | |
1192 | * _ctl_do_reset - main handler for MPT2HARDRESET opcode | |
1193 | * @arg - user space buffer containing ioctl content | |
1194 | */ | |
1195 | static long | |
1196 | _ctl_do_reset(void __user *arg) | |
1197 | { | |
1198 | struct mpt2_ioctl_diag_reset karg; | |
1199 | struct MPT2SAS_ADAPTER *ioc; | |
1200 | int retval; | |
1201 | ||
1202 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1203 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1204 | __FILE__, __LINE__, __func__); | |
1205 | return -EFAULT; | |
1206 | } | |
1207 | if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc) | |
1208 | return -ENODEV; | |
1209 | ||
921cd802 | 1210 | if (ioc->shost_recovery || ioc->pci_error_recovery || |
1211 | ioc->is_driver_loading) | |
1212 | return -EAGAIN; | |
eabb08ad | 1213 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, |
635374e7 EM |
1214 | __func__)); |
1215 | ||
1216 | retval = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
1217 | FORCE_BIG_HAMMER); | |
1218 | printk(MPT2SAS_INFO_FMT "host reset: %s\n", | |
1219 | ioc->name, ((!retval) ? "SUCCESS" : "FAILED")); | |
1220 | return 0; | |
1221 | } | |
1222 | ||
1223 | /** | |
1224 | * _ctl_btdh_search_sas_device - searching for sas device | |
1225 | * @ioc: per adapter object | |
1226 | * @btdh: btdh ioctl payload | |
1227 | */ | |
1228 | static int | |
1229 | _ctl_btdh_search_sas_device(struct MPT2SAS_ADAPTER *ioc, | |
1230 | struct mpt2_ioctl_btdh_mapping *btdh) | |
1231 | { | |
1232 | struct _sas_device *sas_device; | |
1233 | unsigned long flags; | |
1234 | int rc = 0; | |
1235 | ||
1236 | if (list_empty(&ioc->sas_device_list)) | |
1237 | return rc; | |
1238 | ||
1239 | spin_lock_irqsave(&ioc->sas_device_lock, flags); | |
1240 | list_for_each_entry(sas_device, &ioc->sas_device_list, list) { | |
1241 | if (btdh->bus == 0xFFFFFFFF && btdh->id == 0xFFFFFFFF && | |
1242 | btdh->handle == sas_device->handle) { | |
1243 | btdh->bus = sas_device->channel; | |
1244 | btdh->id = sas_device->id; | |
1245 | rc = 1; | |
1246 | goto out; | |
1247 | } else if (btdh->bus == sas_device->channel && btdh->id == | |
1248 | sas_device->id && btdh->handle == 0xFFFF) { | |
1249 | btdh->handle = sas_device->handle; | |
1250 | rc = 1; | |
1251 | goto out; | |
1252 | } | |
1253 | } | |
1254 | out: | |
1255 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); | |
1256 | return rc; | |
1257 | } | |
1258 | ||
1259 | /** | |
1260 | * _ctl_btdh_search_raid_device - searching for raid device | |
1261 | * @ioc: per adapter object | |
1262 | * @btdh: btdh ioctl payload | |
1263 | */ | |
1264 | static int | |
1265 | _ctl_btdh_search_raid_device(struct MPT2SAS_ADAPTER *ioc, | |
1266 | struct mpt2_ioctl_btdh_mapping *btdh) | |
1267 | { | |
1268 | struct _raid_device *raid_device; | |
1269 | unsigned long flags; | |
1270 | int rc = 0; | |
1271 | ||
1272 | if (list_empty(&ioc->raid_device_list)) | |
1273 | return rc; | |
1274 | ||
1275 | spin_lock_irqsave(&ioc->raid_device_lock, flags); | |
1276 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { | |
1277 | if (btdh->bus == 0xFFFFFFFF && btdh->id == 0xFFFFFFFF && | |
1278 | btdh->handle == raid_device->handle) { | |
1279 | btdh->bus = raid_device->channel; | |
1280 | btdh->id = raid_device->id; | |
1281 | rc = 1; | |
1282 | goto out; | |
1283 | } else if (btdh->bus == raid_device->channel && btdh->id == | |
1284 | raid_device->id && btdh->handle == 0xFFFF) { | |
1285 | btdh->handle = raid_device->handle; | |
1286 | rc = 1; | |
1287 | goto out; | |
1288 | } | |
1289 | } | |
1290 | out: | |
1291 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); | |
1292 | return rc; | |
1293 | } | |
1294 | ||
1295 | /** | |
1296 | * _ctl_btdh_mapping - main handler for MPT2BTDHMAPPING opcode | |
1297 | * @arg - user space buffer containing ioctl content | |
1298 | */ | |
1299 | static long | |
1300 | _ctl_btdh_mapping(void __user *arg) | |
1301 | { | |
1302 | struct mpt2_ioctl_btdh_mapping karg; | |
1303 | struct MPT2SAS_ADAPTER *ioc; | |
1304 | int rc; | |
1305 | ||
1306 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1307 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1308 | __FILE__, __LINE__, __func__); | |
1309 | return -EFAULT; | |
1310 | } | |
1311 | if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc) | |
1312 | return -ENODEV; | |
1313 | ||
eabb08ad | 1314 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
1315 | __func__)); |
1316 | ||
1317 | rc = _ctl_btdh_search_sas_device(ioc, &karg); | |
1318 | if (!rc) | |
1319 | _ctl_btdh_search_raid_device(ioc, &karg); | |
1320 | ||
1321 | if (copy_to_user(arg, &karg, sizeof(karg))) { | |
1322 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1323 | __FILE__, __LINE__, __func__); | |
1324 | return -EFAULT; | |
1325 | } | |
1326 | return 0; | |
1327 | } | |
1328 | ||
1329 | /** | |
1330 | * _ctl_diag_capability - return diag buffer capability | |
1331 | * @ioc: per adapter object | |
1b01fe3a | 1332 | * @buffer_type: specifies either TRACE, SNAPSHOT, or EXTENDED |
635374e7 EM |
1333 | * |
1334 | * returns 1 when diag buffer support is enabled in firmware | |
1335 | */ | |
1336 | static u8 | |
1337 | _ctl_diag_capability(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type) | |
1338 | { | |
1339 | u8 rc = 0; | |
1340 | ||
1341 | switch (buffer_type) { | |
1342 | case MPI2_DIAG_BUF_TYPE_TRACE: | |
1343 | if (ioc->facts.IOCCapabilities & | |
1344 | MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER) | |
1345 | rc = 1; | |
1346 | break; | |
1347 | case MPI2_DIAG_BUF_TYPE_SNAPSHOT: | |
1348 | if (ioc->facts.IOCCapabilities & | |
1349 | MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER) | |
1350 | rc = 1; | |
1351 | break; | |
1b01fe3a KD |
1352 | case MPI2_DIAG_BUF_TYPE_EXTENDED: |
1353 | if (ioc->facts.IOCCapabilities & | |
1354 | MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER) | |
1355 | rc = 1; | |
635374e7 EM |
1356 | } |
1357 | ||
1358 | return rc; | |
1359 | } | |
1360 | ||
1361 | /** | |
32e0eb56 KD |
1362 | * _ctl_diag_register_2 - wrapper for registering diag buffer support |
1363 | * @ioc: per adapter object | |
1364 | * @diag_register: the diag_register struct passed in from user space | |
635374e7 | 1365 | * |
635374e7 EM |
1366 | */ |
1367 | static long | |
32e0eb56 KD |
1368 | _ctl_diag_register_2(struct MPT2SAS_ADAPTER *ioc, |
1369 | struct mpt2_diag_register *diag_register) | |
635374e7 | 1370 | { |
635374e7 EM |
1371 | int rc, i; |
1372 | void *request_data = NULL; | |
1373 | dma_addr_t request_data_dma; | |
1374 | u32 request_data_sz = 0; | |
1375 | Mpi2DiagBufferPostRequest_t *mpi_request; | |
1376 | Mpi2DiagBufferPostReply_t *mpi_reply; | |
1377 | u8 buffer_type; | |
1378 | unsigned long timeleft; | |
1379 | u16 smid; | |
1380 | u16 ioc_status; | |
1381 | u8 issue_reset = 0; | |
1382 | ||
eabb08ad | 1383 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
1384 | __func__)); |
1385 | ||
32e0eb56 KD |
1386 | if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) { |
1387 | printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n", | |
1388 | ioc->name, __func__); | |
1389 | rc = -EAGAIN; | |
1390 | goto out; | |
1391 | } | |
1392 | ||
1393 | buffer_type = diag_register->buffer_type; | |
635374e7 EM |
1394 | if (!_ctl_diag_capability(ioc, buffer_type)) { |
1395 | printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for " | |
1396 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); | |
1397 | return -EPERM; | |
1398 | } | |
1399 | ||
1400 | if (ioc->diag_buffer_status[buffer_type] & | |
1401 | MPT2_DIAG_BUFFER_IS_REGISTERED) { | |
1402 | printk(MPT2SAS_ERR_FMT "%s: already has a registered " | |
1403 | "buffer for buffer_type(0x%02x)\n", ioc->name, __func__, | |
1404 | buffer_type); | |
1405 | return -EINVAL; | |
1406 | } | |
1407 | ||
32e0eb56 | 1408 | if (diag_register->requested_buffer_size % 4) { |
635374e7 EM |
1409 | printk(MPT2SAS_ERR_FMT "%s: the requested_buffer_size " |
1410 | "is not 4 byte aligned\n", ioc->name, __func__); | |
1411 | return -EINVAL; | |
1412 | } | |
1413 | ||
635374e7 EM |
1414 | smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx); |
1415 | if (!smid) { | |
1416 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
1417 | ioc->name, __func__); | |
1418 | rc = -EAGAIN; | |
1419 | goto out; | |
1420 | } | |
1421 | ||
1422 | rc = 0; | |
1423 | ioc->ctl_cmds.status = MPT2_CMD_PENDING; | |
1424 | memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); | |
1425 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
1426 | ioc->ctl_cmds.smid = smid; | |
1427 | ||
1428 | request_data = ioc->diag_buffer[buffer_type]; | |
32e0eb56 KD |
1429 | request_data_sz = diag_register->requested_buffer_size; |
1430 | ioc->unique_id[buffer_type] = diag_register->unique_id; | |
635374e7 | 1431 | ioc->diag_buffer_status[buffer_type] = 0; |
32e0eb56 KD |
1432 | memcpy(ioc->product_specific[buffer_type], |
1433 | diag_register->product_specific, MPT2_PRODUCT_SPECIFIC_DWORDS); | |
1434 | ioc->diagnostic_flags[buffer_type] = diag_register->diagnostic_flags; | |
635374e7 EM |
1435 | |
1436 | if (request_data) { | |
1437 | request_data_dma = ioc->diag_buffer_dma[buffer_type]; | |
1438 | if (request_data_sz != ioc->diag_buffer_sz[buffer_type]) { | |
1439 | pci_free_consistent(ioc->pdev, | |
1440 | ioc->diag_buffer_sz[buffer_type], | |
1441 | request_data, request_data_dma); | |
1442 | request_data = NULL; | |
1443 | } | |
1444 | } | |
1445 | ||
1446 | if (request_data == NULL) { | |
1447 | ioc->diag_buffer_sz[buffer_type] = 0; | |
1448 | ioc->diag_buffer_dma[buffer_type] = 0; | |
1449 | request_data = pci_alloc_consistent( | |
1450 | ioc->pdev, request_data_sz, &request_data_dma); | |
1451 | if (request_data == NULL) { | |
1452 | printk(MPT2SAS_ERR_FMT "%s: failed allocating memory" | |
1453 | " for diag buffers, requested size(%d)\n", | |
1454 | ioc->name, __func__, request_data_sz); | |
1455 | mpt2sas_base_free_smid(ioc, smid); | |
1456 | return -ENOMEM; | |
1457 | } | |
1458 | ioc->diag_buffer[buffer_type] = request_data; | |
1459 | ioc->diag_buffer_sz[buffer_type] = request_data_sz; | |
1460 | ioc->diag_buffer_dma[buffer_type] = request_data_dma; | |
1461 | } | |
1462 | ||
1463 | mpi_request->Function = MPI2_FUNCTION_DIAG_BUFFER_POST; | |
32e0eb56 KD |
1464 | mpi_request->BufferType = diag_register->buffer_type; |
1465 | mpi_request->Flags = cpu_to_le32(diag_register->diagnostic_flags); | |
635374e7 EM |
1466 | mpi_request->BufferAddress = cpu_to_le64(request_data_dma); |
1467 | mpi_request->BufferLength = cpu_to_le32(request_data_sz); | |
7b936b02 KD |
1468 | mpi_request->VF_ID = 0; /* TODO */ |
1469 | mpi_request->VP_ID = 0; | |
635374e7 | 1470 | |
eabb08ad | 1471 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: diag_buffer(0x%p), " |
635374e7 | 1472 | "dma(0x%llx), sz(%d)\n", ioc->name, __func__, request_data, |
e94f6747 KD |
1473 | (unsigned long long)request_data_dma, |
1474 | le32_to_cpu(mpi_request->BufferLength))); | |
635374e7 EM |
1475 | |
1476 | for (i = 0; i < MPT2_PRODUCT_SPECIFIC_DWORDS; i++) | |
1477 | mpi_request->ProductSpecific[i] = | |
1478 | cpu_to_le32(ioc->product_specific[buffer_type][i]); | |
1479 | ||
bcfb6e6e | 1480 | init_completion(&ioc->ctl_cmds.done); |
f01690d3 | 1481 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
1482 | timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, |
1483 | MPT2_IOCTL_DEFAULT_TIMEOUT*HZ); | |
1484 | ||
1485 | if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) { | |
1486 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name, | |
1487 | __func__); | |
1488 | _debug_dump_mf(mpi_request, | |
1489 | sizeof(Mpi2DiagBufferPostRequest_t)/4); | |
1490 | if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET)) | |
1491 | issue_reset = 1; | |
1492 | goto issue_host_reset; | |
1493 | } | |
1494 | ||
1495 | /* process the completed Reply Message Frame */ | |
1496 | if ((ioc->ctl_cmds.status & MPT2_CMD_REPLY_VALID) == 0) { | |
1497 | printk(MPT2SAS_ERR_FMT "%s: no reply message\n", | |
1498 | ioc->name, __func__); | |
1499 | rc = -EFAULT; | |
1500 | goto out; | |
1501 | } | |
1502 | ||
1503 | mpi_reply = ioc->ctl_cmds.reply; | |
1504 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; | |
1505 | ||
1506 | if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { | |
1507 | ioc->diag_buffer_status[buffer_type] |= | |
1508 | MPT2_DIAG_BUFFER_IS_REGISTERED; | |
eabb08ad | 1509 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: success\n", |
635374e7 EM |
1510 | ioc->name, __func__)); |
1511 | } else { | |
eabb08ad | 1512 | printk(MPT2SAS_INFO_FMT "%s: ioc_status(0x%04x) " |
635374e7 | 1513 | "log_info(0x%08x)\n", ioc->name, __func__, |
463217bf | 1514 | ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo)); |
635374e7 EM |
1515 | rc = -EFAULT; |
1516 | } | |
1517 | ||
1518 | issue_host_reset: | |
1519 | if (issue_reset) | |
1520 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
1521 | FORCE_BIG_HAMMER); | |
1522 | ||
1523 | out: | |
1524 | ||
1525 | if (rc && request_data) | |
1526 | pci_free_consistent(ioc->pdev, request_data_sz, | |
1527 | request_data, request_data_dma); | |
1528 | ||
1529 | ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; | |
32e0eb56 KD |
1530 | return rc; |
1531 | } | |
1532 | ||
1533 | /** | |
1534 | * mpt2sas_enable_diag_buffer - enabling diag_buffers support driver load time | |
1535 | * @ioc: per adapter object | |
1536 | * @bits_to_register: bitwise field where trace is bit 0, and snapshot is bit 1 | |
1537 | * | |
1538 | * This is called when command line option diag_buffer_enable is enabled | |
1539 | * at driver load time. | |
1540 | */ | |
1541 | void | |
1542 | mpt2sas_enable_diag_buffer(struct MPT2SAS_ADAPTER *ioc, u8 bits_to_register) | |
1543 | { | |
1544 | struct mpt2_diag_register diag_register; | |
1545 | ||
1546 | memset(&diag_register, 0, sizeof(struct mpt2_diag_register)); | |
1547 | ||
1548 | if (bits_to_register & 1) { | |
1549 | printk(MPT2SAS_INFO_FMT "registering trace buffer support\n", | |
1550 | ioc->name); | |
1551 | diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_TRACE; | |
1552 | /* register for 1MB buffers */ | |
1553 | diag_register.requested_buffer_size = (1024 * 1024); | |
1554 | diag_register.unique_id = 0x7075900; | |
1555 | _ctl_diag_register_2(ioc, &diag_register); | |
1556 | } | |
1557 | ||
1558 | if (bits_to_register & 2) { | |
1559 | printk(MPT2SAS_INFO_FMT "registering snapshot buffer support\n", | |
1560 | ioc->name); | |
1561 | diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_SNAPSHOT; | |
1562 | /* register for 2MB buffers */ | |
1563 | diag_register.requested_buffer_size = 2 * (1024 * 1024); | |
1564 | diag_register.unique_id = 0x7075901; | |
1565 | _ctl_diag_register_2(ioc, &diag_register); | |
1566 | } | |
1b01fe3a KD |
1567 | |
1568 | if (bits_to_register & 4) { | |
1569 | printk(MPT2SAS_INFO_FMT "registering extended buffer support\n", | |
1570 | ioc->name); | |
1571 | diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_EXTENDED; | |
1572 | /* register for 2MB buffers */ | |
1573 | diag_register.requested_buffer_size = 2 * (1024 * 1024); | |
1574 | diag_register.unique_id = 0x7075901; | |
1575 | _ctl_diag_register_2(ioc, &diag_register); | |
1576 | } | |
32e0eb56 KD |
1577 | } |
1578 | ||
1579 | /** | |
1580 | * _ctl_diag_register - application register with driver | |
1581 | * @arg - user space buffer containing ioctl content | |
1582 | * @state - NON_BLOCKING or BLOCKING | |
1583 | * | |
1584 | * This will allow the driver to setup any required buffers that will be | |
1585 | * needed by firmware to communicate with the driver. | |
1586 | */ | |
1587 | static long | |
1588 | _ctl_diag_register(void __user *arg, enum block_state state) | |
1589 | { | |
1590 | struct mpt2_diag_register karg; | |
1591 | struct MPT2SAS_ADAPTER *ioc; | |
1592 | long rc; | |
1593 | ||
1594 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1595 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1596 | __FILE__, __LINE__, __func__); | |
1597 | return -EFAULT; | |
1598 | } | |
1599 | if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc) | |
1600 | return -ENODEV; | |
1601 | ||
1602 | if (state == NON_BLOCKING && !mutex_trylock(&ioc->ctl_cmds.mutex)) | |
1603 | return -EAGAIN; | |
1604 | else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex)) | |
1605 | return -ERESTARTSYS; | |
1606 | rc = _ctl_diag_register_2(ioc, &karg); | |
635374e7 EM |
1607 | mutex_unlock(&ioc->ctl_cmds.mutex); |
1608 | return rc; | |
1609 | } | |
1610 | ||
1611 | /** | |
1612 | * _ctl_diag_unregister - application unregister with driver | |
1613 | * @arg - user space buffer containing ioctl content | |
1614 | * | |
1615 | * This will allow the driver to cleanup any memory allocated for diag | |
1616 | * messages and to free up any resources. | |
1617 | */ | |
1618 | static long | |
1619 | _ctl_diag_unregister(void __user *arg) | |
1620 | { | |
1621 | struct mpt2_diag_unregister karg; | |
1622 | struct MPT2SAS_ADAPTER *ioc; | |
1623 | void *request_data; | |
1624 | dma_addr_t request_data_dma; | |
1625 | u32 request_data_sz; | |
1626 | u8 buffer_type; | |
1627 | ||
1628 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1629 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1630 | __FILE__, __LINE__, __func__); | |
1631 | return -EFAULT; | |
1632 | } | |
1633 | if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc) | |
1634 | return -ENODEV; | |
1635 | ||
eabb08ad | 1636 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
1637 | __func__)); |
1638 | ||
1639 | buffer_type = karg.unique_id & 0x000000ff; | |
1640 | if (!_ctl_diag_capability(ioc, buffer_type)) { | |
1641 | printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for " | |
1642 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); | |
1643 | return -EPERM; | |
1644 | } | |
1645 | ||
1646 | if ((ioc->diag_buffer_status[buffer_type] & | |
1647 | MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) { | |
1648 | printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not " | |
1649 | "registered\n", ioc->name, __func__, buffer_type); | |
1650 | return -EINVAL; | |
1651 | } | |
1652 | if ((ioc->diag_buffer_status[buffer_type] & | |
1653 | MPT2_DIAG_BUFFER_IS_RELEASED) == 0) { | |
1654 | printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) has not been " | |
1655 | "released\n", ioc->name, __func__, buffer_type); | |
1656 | return -EINVAL; | |
1657 | } | |
1658 | ||
1659 | if (karg.unique_id != ioc->unique_id[buffer_type]) { | |
1660 | printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not " | |
1661 | "registered\n", ioc->name, __func__, karg.unique_id); | |
1662 | return -EINVAL; | |
1663 | } | |
1664 | ||
1665 | request_data = ioc->diag_buffer[buffer_type]; | |
1666 | if (!request_data) { | |
1667 | printk(MPT2SAS_ERR_FMT "%s: doesn't have memory allocated for " | |
1668 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); | |
1669 | return -ENOMEM; | |
1670 | } | |
1671 | ||
1672 | request_data_sz = ioc->diag_buffer_sz[buffer_type]; | |
1673 | request_data_dma = ioc->diag_buffer_dma[buffer_type]; | |
1674 | pci_free_consistent(ioc->pdev, request_data_sz, | |
1675 | request_data, request_data_dma); | |
1676 | ioc->diag_buffer[buffer_type] = NULL; | |
1677 | ioc->diag_buffer_status[buffer_type] = 0; | |
1678 | return 0; | |
1679 | } | |
1680 | ||
1681 | /** | |
1682 | * _ctl_diag_query - query relevant info associated with diag buffers | |
1683 | * @arg - user space buffer containing ioctl content | |
1684 | * | |
1685 | * The application will send only buffer_type and unique_id. Driver will | |
1686 | * inspect unique_id first, if valid, fill in all the info. If unique_id is | |
1687 | * 0x00, the driver will return info specified by Buffer Type. | |
1688 | */ | |
1689 | static long | |
1690 | _ctl_diag_query(void __user *arg) | |
1691 | { | |
1692 | struct mpt2_diag_query karg; | |
1693 | struct MPT2SAS_ADAPTER *ioc; | |
1694 | void *request_data; | |
1695 | int i; | |
1696 | u8 buffer_type; | |
1697 | ||
1698 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1699 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1700 | __FILE__, __LINE__, __func__); | |
1701 | return -EFAULT; | |
1702 | } | |
1703 | if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc) | |
1704 | return -ENODEV; | |
1705 | ||
eabb08ad | 1706 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
1707 | __func__)); |
1708 | ||
1709 | karg.application_flags = 0; | |
1710 | buffer_type = karg.buffer_type; | |
1711 | ||
1712 | if (!_ctl_diag_capability(ioc, buffer_type)) { | |
1713 | printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for " | |
1714 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); | |
1715 | return -EPERM; | |
1716 | } | |
1717 | ||
1718 | if ((ioc->diag_buffer_status[buffer_type] & | |
1719 | MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) { | |
1720 | printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not " | |
1721 | "registered\n", ioc->name, __func__, buffer_type); | |
1722 | return -EINVAL; | |
1723 | } | |
1724 | ||
1725 | if (karg.unique_id & 0xffffff00) { | |
1726 | if (karg.unique_id != ioc->unique_id[buffer_type]) { | |
1727 | printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not " | |
1728 | "registered\n", ioc->name, __func__, | |
1729 | karg.unique_id); | |
1730 | return -EINVAL; | |
1731 | } | |
1732 | } | |
1733 | ||
1734 | request_data = ioc->diag_buffer[buffer_type]; | |
1735 | if (!request_data) { | |
1736 | printk(MPT2SAS_ERR_FMT "%s: doesn't have buffer for " | |
1737 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); | |
1738 | return -ENOMEM; | |
1739 | } | |
1740 | ||
1741 | if (ioc->diag_buffer_status[buffer_type] & MPT2_DIAG_BUFFER_IS_RELEASED) | |
1742 | karg.application_flags = (MPT2_APP_FLAGS_APP_OWNED | | |
1743 | MPT2_APP_FLAGS_BUFFER_VALID); | |
1744 | else | |
1745 | karg.application_flags = (MPT2_APP_FLAGS_APP_OWNED | | |
1746 | MPT2_APP_FLAGS_BUFFER_VALID | | |
1747 | MPT2_APP_FLAGS_FW_BUFFER_ACCESS); | |
1748 | ||
1749 | for (i = 0; i < MPT2_PRODUCT_SPECIFIC_DWORDS; i++) | |
1750 | karg.product_specific[i] = | |
1751 | ioc->product_specific[buffer_type][i]; | |
1752 | ||
1753 | karg.total_buffer_size = ioc->diag_buffer_sz[buffer_type]; | |
1754 | karg.driver_added_buffer_size = 0; | |
1755 | karg.unique_id = ioc->unique_id[buffer_type]; | |
1756 | karg.diagnostic_flags = ioc->diagnostic_flags[buffer_type]; | |
1757 | ||
1758 | if (copy_to_user(arg, &karg, sizeof(struct mpt2_diag_query))) { | |
1759 | printk(MPT2SAS_ERR_FMT "%s: unable to write mpt2_diag_query " | |
1760 | "data @ %p\n", ioc->name, __func__, arg); | |
1761 | return -EFAULT; | |
1762 | } | |
1763 | return 0; | |
1764 | } | |
1765 | ||
1766 | /** | |
99bb214b EM |
1767 | * _ctl_send_release - Diag Release Message |
1768 | * @ioc: per adapter object | |
1b01fe3a | 1769 | * @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED |
99bb214b | 1770 | * @issue_reset - specifies whether host reset is required. |
635374e7 | 1771 | * |
635374e7 | 1772 | */ |
99bb214b EM |
1773 | static int |
1774 | _ctl_send_release(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type, u8 *issue_reset) | |
635374e7 | 1775 | { |
635374e7 EM |
1776 | Mpi2DiagReleaseRequest_t *mpi_request; |
1777 | Mpi2DiagReleaseReply_t *mpi_reply; | |
635374e7 EM |
1778 | u16 smid; |
1779 | u16 ioc_status; | |
99bb214b EM |
1780 | u32 ioc_state; |
1781 | int rc; | |
1782 | unsigned long timeleft; | |
635374e7 | 1783 | |
eabb08ad | 1784 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
1785 | __func__)); |
1786 | ||
99bb214b EM |
1787 | rc = 0; |
1788 | *issue_reset = 0; | |
635374e7 | 1789 | |
99bb214b EM |
1790 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); |
1791 | if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { | |
eabb08ad | 1792 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
99bb214b EM |
1793 | "skipping due to FAULT state\n", ioc->name, |
1794 | __func__)); | |
1795 | rc = -EAGAIN; | |
1796 | goto out; | |
635374e7 EM |
1797 | } |
1798 | ||
635374e7 EM |
1799 | if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) { |
1800 | printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n", | |
1801 | ioc->name, __func__); | |
1802 | rc = -EAGAIN; | |
1803 | goto out; | |
1804 | } | |
1805 | ||
1806 | smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx); | |
1807 | if (!smid) { | |
1808 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
1809 | ioc->name, __func__); | |
1810 | rc = -EAGAIN; | |
1811 | goto out; | |
1812 | } | |
1813 | ||
635374e7 EM |
1814 | ioc->ctl_cmds.status = MPT2_CMD_PENDING; |
1815 | memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); | |
1816 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
1817 | ioc->ctl_cmds.smid = smid; | |
1818 | ||
1819 | mpi_request->Function = MPI2_FUNCTION_DIAG_RELEASE; | |
1820 | mpi_request->BufferType = buffer_type; | |
7b936b02 KD |
1821 | mpi_request->VF_ID = 0; /* TODO */ |
1822 | mpi_request->VP_ID = 0; | |
635374e7 | 1823 | |
bcfb6e6e | 1824 | init_completion(&ioc->ctl_cmds.done); |
f01690d3 | 1825 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
1826 | timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, |
1827 | MPT2_IOCTL_DEFAULT_TIMEOUT*HZ); | |
1828 | ||
1829 | if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) { | |
1830 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name, | |
1831 | __func__); | |
1832 | _debug_dump_mf(mpi_request, | |
1833 | sizeof(Mpi2DiagReleaseRequest_t)/4); | |
1834 | if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET)) | |
99bb214b EM |
1835 | *issue_reset = 1; |
1836 | rc = -EFAULT; | |
1837 | goto out; | |
635374e7 EM |
1838 | } |
1839 | ||
1840 | /* process the completed Reply Message Frame */ | |
1841 | if ((ioc->ctl_cmds.status & MPT2_CMD_REPLY_VALID) == 0) { | |
1842 | printk(MPT2SAS_ERR_FMT "%s: no reply message\n", | |
1843 | ioc->name, __func__); | |
1844 | rc = -EFAULT; | |
1845 | goto out; | |
1846 | } | |
1847 | ||
1848 | mpi_reply = ioc->ctl_cmds.reply; | |
1849 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; | |
1850 | ||
1851 | if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { | |
1852 | ioc->diag_buffer_status[buffer_type] |= | |
1853 | MPT2_DIAG_BUFFER_IS_RELEASED; | |
eabb08ad | 1854 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: success\n", |
635374e7 EM |
1855 | ioc->name, __func__)); |
1856 | } else { | |
eabb08ad | 1857 | printk(MPT2SAS_INFO_FMT "%s: ioc_status(0x%04x) " |
635374e7 | 1858 | "log_info(0x%08x)\n", ioc->name, __func__, |
463217bf | 1859 | ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo)); |
635374e7 EM |
1860 | rc = -EFAULT; |
1861 | } | |
1862 | ||
99bb214b EM |
1863 | out: |
1864 | ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; | |
1865 | return rc; | |
1866 | } | |
1867 | ||
1868 | /** | |
1869 | * _ctl_diag_release - request to send Diag Release Message to firmware | |
1870 | * @arg - user space buffer containing ioctl content | |
1871 | * @state - NON_BLOCKING or BLOCKING | |
1872 | * | |
1873 | * This allows ownership of the specified buffer to returned to the driver, | |
1874 | * allowing an application to read the buffer without fear that firmware is | |
1875 | * overwritting information in the buffer. | |
1876 | */ | |
1877 | static long | |
1878 | _ctl_diag_release(void __user *arg, enum block_state state) | |
1879 | { | |
1880 | struct mpt2_diag_release karg; | |
1881 | struct MPT2SAS_ADAPTER *ioc; | |
1882 | void *request_data; | |
1883 | int rc; | |
1884 | u8 buffer_type; | |
1885 | u8 issue_reset = 0; | |
1886 | ||
1887 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1888 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1889 | __FILE__, __LINE__, __func__); | |
1890 | return -EFAULT; | |
1891 | } | |
1892 | if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc) | |
1893 | return -ENODEV; | |
1894 | ||
eabb08ad | 1895 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
99bb214b EM |
1896 | __func__)); |
1897 | ||
1898 | buffer_type = karg.unique_id & 0x000000ff; | |
1899 | if (!_ctl_diag_capability(ioc, buffer_type)) { | |
1900 | printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for " | |
1901 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); | |
1902 | return -EPERM; | |
1903 | } | |
1904 | ||
1905 | if ((ioc->diag_buffer_status[buffer_type] & | |
1906 | MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) { | |
1907 | printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not " | |
1908 | "registered\n", ioc->name, __func__, buffer_type); | |
1909 | return -EINVAL; | |
1910 | } | |
1911 | ||
1912 | if (karg.unique_id != ioc->unique_id[buffer_type]) { | |
1913 | printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not " | |
1914 | "registered\n", ioc->name, __func__, karg.unique_id); | |
1915 | return -EINVAL; | |
1916 | } | |
1917 | ||
1918 | if (ioc->diag_buffer_status[buffer_type] & | |
1919 | MPT2_DIAG_BUFFER_IS_RELEASED) { | |
1920 | printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) " | |
1921 | "is already released\n", ioc->name, __func__, | |
1922 | buffer_type); | |
1923 | return 0; | |
1924 | } | |
1925 | ||
1926 | request_data = ioc->diag_buffer[buffer_type]; | |
1927 | ||
1928 | if (!request_data) { | |
1929 | printk(MPT2SAS_ERR_FMT "%s: doesn't have memory allocated for " | |
1930 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); | |
1931 | return -ENOMEM; | |
1932 | } | |
1933 | ||
1934 | /* buffers were released by due to host reset */ | |
1935 | if ((ioc->diag_buffer_status[buffer_type] & | |
1936 | MPT2_DIAG_BUFFER_IS_DIAG_RESET)) { | |
1937 | ioc->diag_buffer_status[buffer_type] |= | |
1938 | MPT2_DIAG_BUFFER_IS_RELEASED; | |
1939 | ioc->diag_buffer_status[buffer_type] &= | |
1940 | ~MPT2_DIAG_BUFFER_IS_DIAG_RESET; | |
1941 | printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) " | |
1942 | "was released due to host reset\n", ioc->name, __func__, | |
1943 | buffer_type); | |
1944 | return 0; | |
1945 | } | |
1946 | ||
1947 | if (state == NON_BLOCKING && !mutex_trylock(&ioc->ctl_cmds.mutex)) | |
1948 | return -EAGAIN; | |
1949 | else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex)) | |
1950 | return -ERESTARTSYS; | |
1951 | ||
1952 | rc = _ctl_send_release(ioc, buffer_type, &issue_reset); | |
1953 | ||
635374e7 EM |
1954 | if (issue_reset) |
1955 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
1956 | FORCE_BIG_HAMMER); | |
1957 | ||
635374e7 EM |
1958 | mutex_unlock(&ioc->ctl_cmds.mutex); |
1959 | return rc; | |
1960 | } | |
1961 | ||
1962 | /** | |
1963 | * _ctl_diag_read_buffer - request for copy of the diag buffer | |
1964 | * @arg - user space buffer containing ioctl content | |
1965 | * @state - NON_BLOCKING or BLOCKING | |
1966 | */ | |
1967 | static long | |
1968 | _ctl_diag_read_buffer(void __user *arg, enum block_state state) | |
1969 | { | |
1970 | struct mpt2_diag_read_buffer karg; | |
1971 | struct mpt2_diag_read_buffer __user *uarg = arg; | |
1972 | struct MPT2SAS_ADAPTER *ioc; | |
1973 | void *request_data, *diag_data; | |
1974 | Mpi2DiagBufferPostRequest_t *mpi_request; | |
1975 | Mpi2DiagBufferPostReply_t *mpi_reply; | |
1976 | int rc, i; | |
1977 | u8 buffer_type; | |
a1f74ae8 | 1978 | unsigned long timeleft, request_size, copy_size; |
635374e7 EM |
1979 | u16 smid; |
1980 | u16 ioc_status; | |
1981 | u8 issue_reset = 0; | |
1982 | ||
1983 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
1984 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
1985 | __FILE__, __LINE__, __func__); | |
1986 | return -EFAULT; | |
1987 | } | |
1988 | if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || !ioc) | |
1989 | return -ENODEV; | |
1990 | ||
eabb08ad | 1991 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
635374e7 EM |
1992 | __func__)); |
1993 | ||
1994 | buffer_type = karg.unique_id & 0x000000ff; | |
1995 | if (!_ctl_diag_capability(ioc, buffer_type)) { | |
1996 | printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for " | |
1997 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); | |
1998 | return -EPERM; | |
1999 | } | |
2000 | ||
2001 | if (karg.unique_id != ioc->unique_id[buffer_type]) { | |
2002 | printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not " | |
2003 | "registered\n", ioc->name, __func__, karg.unique_id); | |
2004 | return -EINVAL; | |
2005 | } | |
2006 | ||
2007 | request_data = ioc->diag_buffer[buffer_type]; | |
2008 | if (!request_data) { | |
2009 | printk(MPT2SAS_ERR_FMT "%s: doesn't have buffer for " | |
2010 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type); | |
2011 | return -ENOMEM; | |
2012 | } | |
2013 | ||
a1f74ae8 DR |
2014 | request_size = ioc->diag_buffer_sz[buffer_type]; |
2015 | ||
635374e7 EM |
2016 | if ((karg.starting_offset % 4) || (karg.bytes_to_read % 4)) { |
2017 | printk(MPT2SAS_ERR_FMT "%s: either the starting_offset " | |
2018 | "or bytes_to_read are not 4 byte aligned\n", ioc->name, | |
2019 | __func__); | |
2020 | return -EINVAL; | |
2021 | } | |
2022 | ||
a1f74ae8 DR |
2023 | if (karg.starting_offset > request_size) |
2024 | return -EINVAL; | |
2025 | ||
635374e7 | 2026 | diag_data = (void *)(request_data + karg.starting_offset); |
eabb08ad | 2027 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: diag_buffer(%p), " |
635374e7 EM |
2028 | "offset(%d), sz(%d)\n", ioc->name, __func__, |
2029 | diag_data, karg.starting_offset, karg.bytes_to_read)); | |
2030 | ||
a1f74ae8 DR |
2031 | /* Truncate data on requests that are too large */ |
2032 | if ((diag_data + karg.bytes_to_read < diag_data) || | |
2033 | (diag_data + karg.bytes_to_read > request_data + request_size)) | |
2034 | copy_size = request_size - karg.starting_offset; | |
2035 | else | |
2036 | copy_size = karg.bytes_to_read; | |
2037 | ||
635374e7 | 2038 | if (copy_to_user((void __user *)uarg->diagnostic_data, |
a1f74ae8 | 2039 | diag_data, copy_size)) { |
635374e7 EM |
2040 | printk(MPT2SAS_ERR_FMT "%s: Unable to write " |
2041 | "mpt_diag_read_buffer_t data @ %p\n", ioc->name, | |
2042 | __func__, diag_data); | |
2043 | return -EFAULT; | |
2044 | } | |
2045 | ||
2046 | if ((karg.flags & MPT2_FLAGS_REREGISTER) == 0) | |
2047 | return 0; | |
2048 | ||
eabb08ad | 2049 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: Reregister " |
635374e7 EM |
2050 | "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type)); |
2051 | if ((ioc->diag_buffer_status[buffer_type] & | |
2052 | MPT2_DIAG_BUFFER_IS_RELEASED) == 0) { | |
eabb08ad | 2053 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
635374e7 EM |
2054 | "buffer_type(0x%02x) is still registered\n", ioc->name, |
2055 | __func__, buffer_type)); | |
2056 | return 0; | |
2057 | } | |
2058 | /* Get a free request frame and save the message context. | |
2059 | */ | |
2060 | if (state == NON_BLOCKING && !mutex_trylock(&ioc->ctl_cmds.mutex)) | |
2061 | return -EAGAIN; | |
2062 | else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex)) | |
2063 | return -ERESTARTSYS; | |
2064 | ||
2065 | if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) { | |
2066 | printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n", | |
2067 | ioc->name, __func__); | |
2068 | rc = -EAGAIN; | |
2069 | goto out; | |
2070 | } | |
2071 | ||
2072 | smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx); | |
2073 | if (!smid) { | |
2074 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", | |
2075 | ioc->name, __func__); | |
2076 | rc = -EAGAIN; | |
2077 | goto out; | |
2078 | } | |
2079 | ||
2080 | rc = 0; | |
2081 | ioc->ctl_cmds.status = MPT2_CMD_PENDING; | |
2082 | memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz); | |
2083 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); | |
2084 | ioc->ctl_cmds.smid = smid; | |
2085 | ||
2086 | mpi_request->Function = MPI2_FUNCTION_DIAG_BUFFER_POST; | |
2087 | mpi_request->BufferType = buffer_type; | |
2088 | mpi_request->BufferLength = | |
2089 | cpu_to_le32(ioc->diag_buffer_sz[buffer_type]); | |
2090 | mpi_request->BufferAddress = | |
2091 | cpu_to_le64(ioc->diag_buffer_dma[buffer_type]); | |
2092 | for (i = 0; i < MPT2_PRODUCT_SPECIFIC_DWORDS; i++) | |
2093 | mpi_request->ProductSpecific[i] = | |
2094 | cpu_to_le32(ioc->product_specific[buffer_type][i]); | |
7b936b02 KD |
2095 | mpi_request->VF_ID = 0; /* TODO */ |
2096 | mpi_request->VP_ID = 0; | |
635374e7 | 2097 | |
bcfb6e6e | 2098 | init_completion(&ioc->ctl_cmds.done); |
f01690d3 | 2099 | mpt2sas_base_put_smid_default(ioc, smid); |
635374e7 EM |
2100 | timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done, |
2101 | MPT2_IOCTL_DEFAULT_TIMEOUT*HZ); | |
2102 | ||
2103 | if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) { | |
2104 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name, | |
2105 | __func__); | |
2106 | _debug_dump_mf(mpi_request, | |
2107 | sizeof(Mpi2DiagBufferPostRequest_t)/4); | |
2108 | if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET)) | |
2109 | issue_reset = 1; | |
2110 | goto issue_host_reset; | |
2111 | } | |
2112 | ||
2113 | /* process the completed Reply Message Frame */ | |
2114 | if ((ioc->ctl_cmds.status & MPT2_CMD_REPLY_VALID) == 0) { | |
2115 | printk(MPT2SAS_ERR_FMT "%s: no reply message\n", | |
2116 | ioc->name, __func__); | |
2117 | rc = -EFAULT; | |
2118 | goto out; | |
2119 | } | |
2120 | ||
2121 | mpi_reply = ioc->ctl_cmds.reply; | |
2122 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; | |
2123 | ||
2124 | if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { | |
2125 | ioc->diag_buffer_status[buffer_type] |= | |
2126 | MPT2_DIAG_BUFFER_IS_REGISTERED; | |
eabb08ad | 2127 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: success\n", |
635374e7 EM |
2128 | ioc->name, __func__)); |
2129 | } else { | |
eabb08ad | 2130 | printk(MPT2SAS_INFO_FMT "%s: ioc_status(0x%04x) " |
635374e7 | 2131 | "log_info(0x%08x)\n", ioc->name, __func__, |
463217bf | 2132 | ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo)); |
635374e7 EM |
2133 | rc = -EFAULT; |
2134 | } | |
2135 | ||
2136 | issue_host_reset: | |
2137 | if (issue_reset) | |
2138 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, | |
2139 | FORCE_BIG_HAMMER); | |
2140 | ||
2141 | out: | |
2142 | ||
2143 | ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; | |
2144 | mutex_unlock(&ioc->ctl_cmds.mutex); | |
2145 | return rc; | |
2146 | } | |
2147 | ||
2148 | /** | |
2149 | * _ctl_ioctl_main - main ioctl entry point | |
2150 | * @file - (struct file) | |
2151 | * @cmd - ioctl opcode | |
2152 | * @arg - | |
2153 | */ | |
2154 | static long | |
2155 | _ctl_ioctl_main(struct file *file, unsigned int cmd, void __user *arg) | |
2156 | { | |
2157 | enum block_state state; | |
2158 | long ret = -EINVAL; | |
635374e7 EM |
2159 | |
2160 | state = (file->f_flags & O_NONBLOCK) ? NON_BLOCKING : | |
2161 | BLOCKING; | |
2162 | ||
2163 | switch (cmd) { | |
2164 | case MPT2IOCINFO: | |
2165 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_iocinfo)) | |
2166 | ret = _ctl_getiocinfo(arg); | |
2167 | break; | |
2168 | case MPT2COMMAND: | |
2169 | { | |
2170 | struct mpt2_ioctl_command karg; | |
2171 | struct mpt2_ioctl_command __user *uarg; | |
2172 | struct MPT2SAS_ADAPTER *ioc; | |
2173 | ||
2174 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
2175 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
2176 | __FILE__, __LINE__, __func__); | |
2177 | return -EFAULT; | |
2178 | } | |
2179 | ||
2180 | if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || | |
2181 | !ioc) | |
2182 | return -ENODEV; | |
2183 | ||
921cd802 | 2184 | if (ioc->shost_recovery || ioc->pci_error_recovery || |
2185 | ioc->is_driver_loading) | |
635374e7 | 2186 | return -EAGAIN; |
635374e7 EM |
2187 | |
2188 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_command)) { | |
2189 | uarg = arg; | |
2190 | ret = _ctl_do_mpt_command(ioc, karg, &uarg->mf, state); | |
2191 | } | |
2192 | break; | |
2193 | } | |
2194 | case MPT2EVENTQUERY: | |
2195 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_eventquery)) | |
2196 | ret = _ctl_eventquery(arg); | |
2197 | break; | |
2198 | case MPT2EVENTENABLE: | |
2199 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_eventenable)) | |
2200 | ret = _ctl_eventenable(arg); | |
2201 | break; | |
2202 | case MPT2EVENTREPORT: | |
2203 | ret = _ctl_eventreport(arg); | |
2204 | break; | |
2205 | case MPT2HARDRESET: | |
2206 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_diag_reset)) | |
2207 | ret = _ctl_do_reset(arg); | |
2208 | break; | |
2209 | case MPT2BTDHMAPPING: | |
2210 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_btdh_mapping)) | |
2211 | ret = _ctl_btdh_mapping(arg); | |
2212 | break; | |
2213 | case MPT2DIAGREGISTER: | |
2214 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_register)) | |
2215 | ret = _ctl_diag_register(arg, state); | |
2216 | break; | |
2217 | case MPT2DIAGUNREGISTER: | |
2218 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_unregister)) | |
2219 | ret = _ctl_diag_unregister(arg); | |
2220 | break; | |
2221 | case MPT2DIAGQUERY: | |
2222 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_query)) | |
2223 | ret = _ctl_diag_query(arg); | |
2224 | break; | |
2225 | case MPT2DIAGRELEASE: | |
2226 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_release)) | |
2227 | ret = _ctl_diag_release(arg, state); | |
2228 | break; | |
2229 | case MPT2DIAGREADBUFFER: | |
2230 | if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_read_buffer)) | |
2231 | ret = _ctl_diag_read_buffer(arg, state); | |
2232 | break; | |
2233 | default: | |
2234 | { | |
2235 | struct mpt2_ioctl_command karg; | |
2236 | struct MPT2SAS_ADAPTER *ioc; | |
2237 | ||
2238 | if (copy_from_user(&karg, arg, sizeof(karg))) { | |
2239 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
2240 | __FILE__, __LINE__, __func__); | |
2241 | return -EFAULT; | |
2242 | } | |
2243 | ||
2244 | if (_ctl_verify_adapter(karg.hdr.ioc_number, &ioc) == -1 || | |
2245 | !ioc) | |
2246 | return -ENODEV; | |
2247 | ||
eabb08ad | 2248 | dctlprintk(ioc, printk(MPT2SAS_INFO_FMT |
635374e7 EM |
2249 | "unsupported ioctl opcode(0x%08x)\n", ioc->name, cmd)); |
2250 | break; | |
2251 | } | |
2252 | } | |
2253 | return ret; | |
2254 | } | |
2255 | ||
2256 | /** | |
2257 | * _ctl_ioctl - main ioctl entry point (unlocked) | |
2258 | * @file - (struct file) | |
2259 | * @cmd - ioctl opcode | |
2260 | * @arg - | |
2261 | */ | |
2262 | static long | |
2263 | _ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
2264 | { | |
2265 | long ret; | |
7b936b02 | 2266 | |
c45d15d2 | 2267 | mutex_lock(&_ctl_mutex); |
635374e7 | 2268 | ret = _ctl_ioctl_main(file, cmd, (void __user *)arg); |
c45d15d2 | 2269 | mutex_unlock(&_ctl_mutex); |
635374e7 EM |
2270 | return ret; |
2271 | } | |
2272 | ||
2273 | #ifdef CONFIG_COMPAT | |
2274 | /** | |
2275 | * _ctl_compat_mpt_command - convert 32bit pointers to 64bit. | |
2276 | * @file - (struct file) | |
2277 | * @cmd - ioctl opcode | |
2278 | * @arg - (struct mpt2_ioctl_command32) | |
2279 | * | |
2280 | * MPT2COMMAND32 - Handle 32bit applications running on 64bit os. | |
2281 | */ | |
2282 | static long | |
2283 | _ctl_compat_mpt_command(struct file *file, unsigned cmd, unsigned long arg) | |
2284 | { | |
2285 | struct mpt2_ioctl_command32 karg32; | |
2286 | struct mpt2_ioctl_command32 __user *uarg; | |
2287 | struct mpt2_ioctl_command karg; | |
2288 | struct MPT2SAS_ADAPTER *ioc; | |
2289 | enum block_state state; | |
635374e7 EM |
2290 | |
2291 | if (_IOC_SIZE(cmd) != sizeof(struct mpt2_ioctl_command32)) | |
2292 | return -EINVAL; | |
2293 | ||
2294 | uarg = (struct mpt2_ioctl_command32 __user *) arg; | |
2295 | ||
2296 | if (copy_from_user(&karg32, (char __user *)arg, sizeof(karg32))) { | |
2297 | printk(KERN_ERR "failure at %s:%d/%s()!\n", | |
2298 | __FILE__, __LINE__, __func__); | |
2299 | return -EFAULT; | |
2300 | } | |
2301 | if (_ctl_verify_adapter(karg32.hdr.ioc_number, &ioc) == -1 || !ioc) | |
2302 | return -ENODEV; | |
2303 | ||
921cd802 | 2304 | if (ioc->shost_recovery || ioc->pci_error_recovery || |
2305 | ioc->is_driver_loading) | |
635374e7 | 2306 | return -EAGAIN; |
635374e7 EM |
2307 | |
2308 | memset(&karg, 0, sizeof(struct mpt2_ioctl_command)); | |
2309 | karg.hdr.ioc_number = karg32.hdr.ioc_number; | |
2310 | karg.hdr.port_number = karg32.hdr.port_number; | |
2311 | karg.hdr.max_data_size = karg32.hdr.max_data_size; | |
2312 | karg.timeout = karg32.timeout; | |
2313 | karg.max_reply_bytes = karg32.max_reply_bytes; | |
2314 | karg.data_in_size = karg32.data_in_size; | |
2315 | karg.data_out_size = karg32.data_out_size; | |
2316 | karg.max_sense_bytes = karg32.max_sense_bytes; | |
2317 | karg.data_sge_offset = karg32.data_sge_offset; | |
22c88425 KD |
2318 | karg.reply_frame_buf_ptr = compat_ptr(karg32.reply_frame_buf_ptr); |
2319 | karg.data_in_buf_ptr = compat_ptr(karg32.data_in_buf_ptr); | |
2320 | karg.data_out_buf_ptr = compat_ptr(karg32.data_out_buf_ptr); | |
2321 | karg.sense_data_ptr = compat_ptr(karg32.sense_data_ptr); | |
635374e7 EM |
2322 | state = (file->f_flags & O_NONBLOCK) ? NON_BLOCKING : BLOCKING; |
2323 | return _ctl_do_mpt_command(ioc, karg, &uarg->mf, state); | |
2324 | } | |
2325 | ||
2326 | /** | |
2327 | * _ctl_ioctl_compat - main ioctl entry point (compat) | |
2328 | * @file - | |
2329 | * @cmd - | |
2330 | * @arg - | |
2331 | * | |
2332 | * This routine handles 32 bit applications in 64bit os. | |
2333 | */ | |
2334 | static long | |
2335 | _ctl_ioctl_compat(struct file *file, unsigned cmd, unsigned long arg) | |
2336 | { | |
2337 | long ret; | |
7b936b02 | 2338 | |
c45d15d2 | 2339 | mutex_lock(&_ctl_mutex); |
635374e7 EM |
2340 | if (cmd == MPT2COMMAND32) |
2341 | ret = _ctl_compat_mpt_command(file, cmd, arg); | |
2342 | else | |
2343 | ret = _ctl_ioctl_main(file, cmd, (void __user *)arg); | |
c45d15d2 | 2344 | mutex_unlock(&_ctl_mutex); |
635374e7 EM |
2345 | return ret; |
2346 | } | |
2347 | #endif | |
2348 | ||
2349 | /* scsi host attributes */ | |
2350 | ||
2351 | /** | |
2352 | * _ctl_version_fw_show - firmware version | |
2353 | * @cdev - pointer to embedded class device | |
2354 | * @buf - the buffer returned | |
2355 | * | |
2356 | * A sysfs 'read-only' shost attribute. | |
2357 | */ | |
2358 | static ssize_t | |
2359 | _ctl_version_fw_show(struct device *cdev, struct device_attribute *attr, | |
2360 | char *buf) | |
2361 | { | |
2362 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2363 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2364 | ||
2365 | return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n", | |
2366 | (ioc->facts.FWVersion.Word & 0xFF000000) >> 24, | |
2367 | (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16, | |
2368 | (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8, | |
2369 | ioc->facts.FWVersion.Word & 0x000000FF); | |
2370 | } | |
2371 | static DEVICE_ATTR(version_fw, S_IRUGO, _ctl_version_fw_show, NULL); | |
2372 | ||
2373 | /** | |
2374 | * _ctl_version_bios_show - bios version | |
2375 | * @cdev - pointer to embedded class device | |
2376 | * @buf - the buffer returned | |
2377 | * | |
2378 | * A sysfs 'read-only' shost attribute. | |
2379 | */ | |
2380 | static ssize_t | |
2381 | _ctl_version_bios_show(struct device *cdev, struct device_attribute *attr, | |
2382 | char *buf) | |
2383 | { | |
2384 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2385 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2386 | ||
2387 | u32 version = le32_to_cpu(ioc->bios_pg3.BiosVersion); | |
2388 | ||
2389 | return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n", | |
2390 | (version & 0xFF000000) >> 24, | |
2391 | (version & 0x00FF0000) >> 16, | |
2392 | (version & 0x0000FF00) >> 8, | |
2393 | version & 0x000000FF); | |
2394 | } | |
2395 | static DEVICE_ATTR(version_bios, S_IRUGO, _ctl_version_bios_show, NULL); | |
2396 | ||
2397 | /** | |
2398 | * _ctl_version_mpi_show - MPI (message passing interface) version | |
2399 | * @cdev - pointer to embedded class device | |
2400 | * @buf - the buffer returned | |
2401 | * | |
2402 | * A sysfs 'read-only' shost attribute. | |
2403 | */ | |
2404 | static ssize_t | |
2405 | _ctl_version_mpi_show(struct device *cdev, struct device_attribute *attr, | |
2406 | char *buf) | |
2407 | { | |
2408 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2409 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2410 | ||
2411 | return snprintf(buf, PAGE_SIZE, "%03x.%02x\n", | |
2412 | ioc->facts.MsgVersion, ioc->facts.HeaderVersion >> 8); | |
2413 | } | |
2414 | static DEVICE_ATTR(version_mpi, S_IRUGO, _ctl_version_mpi_show, NULL); | |
2415 | ||
2416 | /** | |
2417 | * _ctl_version_product_show - product name | |
2418 | * @cdev - pointer to embedded class device | |
2419 | * @buf - the buffer returned | |
2420 | * | |
2421 | * A sysfs 'read-only' shost attribute. | |
2422 | */ | |
2423 | static ssize_t | |
2424 | _ctl_version_product_show(struct device *cdev, struct device_attribute *attr, | |
2425 | char *buf) | |
2426 | { | |
2427 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2428 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2429 | ||
2430 | return snprintf(buf, 16, "%s\n", ioc->manu_pg0.ChipName); | |
2431 | } | |
2432 | static DEVICE_ATTR(version_product, S_IRUGO, | |
2433 | _ctl_version_product_show, NULL); | |
2434 | ||
2435 | /** | |
2436 | * _ctl_version_nvdata_persistent_show - ndvata persistent version | |
2437 | * @cdev - pointer to embedded class device | |
2438 | * @buf - the buffer returned | |
2439 | * | |
2440 | * A sysfs 'read-only' shost attribute. | |
2441 | */ | |
2442 | static ssize_t | |
2443 | _ctl_version_nvdata_persistent_show(struct device *cdev, | |
2444 | struct device_attribute *attr, char *buf) | |
2445 | { | |
2446 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2447 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2448 | ||
e94f6747 KD |
2449 | return snprintf(buf, PAGE_SIZE, "%08xh\n", |
2450 | le32_to_cpu(ioc->iounit_pg0.NvdataVersionPersistent.Word)); | |
635374e7 EM |
2451 | } |
2452 | static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO, | |
2453 | _ctl_version_nvdata_persistent_show, NULL); | |
2454 | ||
2455 | /** | |
2456 | * _ctl_version_nvdata_default_show - nvdata default version | |
2457 | * @cdev - pointer to embedded class device | |
2458 | * @buf - the buffer returned | |
2459 | * | |
2460 | * A sysfs 'read-only' shost attribute. | |
2461 | */ | |
2462 | static ssize_t | |
2463 | _ctl_version_nvdata_default_show(struct device *cdev, | |
2464 | struct device_attribute *attr, char *buf) | |
2465 | { | |
2466 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2467 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2468 | ||
e94f6747 KD |
2469 | return snprintf(buf, PAGE_SIZE, "%08xh\n", |
2470 | le32_to_cpu(ioc->iounit_pg0.NvdataVersionDefault.Word)); | |
635374e7 EM |
2471 | } |
2472 | static DEVICE_ATTR(version_nvdata_default, S_IRUGO, | |
2473 | _ctl_version_nvdata_default_show, NULL); | |
2474 | ||
2475 | /** | |
2476 | * _ctl_board_name_show - board name | |
2477 | * @cdev - pointer to embedded class device | |
2478 | * @buf - the buffer returned | |
2479 | * | |
2480 | * A sysfs 'read-only' shost attribute. | |
2481 | */ | |
2482 | static ssize_t | |
2483 | _ctl_board_name_show(struct device *cdev, struct device_attribute *attr, | |
2484 | char *buf) | |
2485 | { | |
2486 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2487 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2488 | ||
2489 | return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardName); | |
2490 | } | |
2491 | static DEVICE_ATTR(board_name, S_IRUGO, _ctl_board_name_show, NULL); | |
2492 | ||
2493 | /** | |
2494 | * _ctl_board_assembly_show - board assembly name | |
2495 | * @cdev - pointer to embedded class device | |
2496 | * @buf - the buffer returned | |
2497 | * | |
2498 | * A sysfs 'read-only' shost attribute. | |
2499 | */ | |
2500 | static ssize_t | |
2501 | _ctl_board_assembly_show(struct device *cdev, struct device_attribute *attr, | |
2502 | char *buf) | |
2503 | { | |
2504 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2505 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2506 | ||
2507 | return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardAssembly); | |
2508 | } | |
2509 | static DEVICE_ATTR(board_assembly, S_IRUGO, | |
2510 | _ctl_board_assembly_show, NULL); | |
2511 | ||
2512 | /** | |
2513 | * _ctl_board_tracer_show - board tracer number | |
2514 | * @cdev - pointer to embedded class device | |
2515 | * @buf - the buffer returned | |
2516 | * | |
2517 | * A sysfs 'read-only' shost attribute. | |
2518 | */ | |
2519 | static ssize_t | |
2520 | _ctl_board_tracer_show(struct device *cdev, struct device_attribute *attr, | |
2521 | char *buf) | |
2522 | { | |
2523 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2524 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2525 | ||
2526 | return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardTracerNumber); | |
2527 | } | |
2528 | static DEVICE_ATTR(board_tracer, S_IRUGO, | |
2529 | _ctl_board_tracer_show, NULL); | |
2530 | ||
2531 | /** | |
2532 | * _ctl_io_delay_show - io missing delay | |
2533 | * @cdev - pointer to embedded class device | |
2534 | * @buf - the buffer returned | |
2535 | * | |
2536 | * This is for firmware implemention for deboucing device | |
2537 | * removal events. | |
2538 | * | |
2539 | * A sysfs 'read-only' shost attribute. | |
2540 | */ | |
2541 | static ssize_t | |
2542 | _ctl_io_delay_show(struct device *cdev, struct device_attribute *attr, | |
2543 | char *buf) | |
2544 | { | |
2545 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2546 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2547 | ||
2548 | return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay); | |
2549 | } | |
2550 | static DEVICE_ATTR(io_delay, S_IRUGO, | |
2551 | _ctl_io_delay_show, NULL); | |
2552 | ||
2553 | /** | |
2554 | * _ctl_device_delay_show - device missing delay | |
2555 | * @cdev - pointer to embedded class device | |
2556 | * @buf - the buffer returned | |
2557 | * | |
2558 | * This is for firmware implemention for deboucing device | |
2559 | * removal events. | |
2560 | * | |
2561 | * A sysfs 'read-only' shost attribute. | |
2562 | */ | |
2563 | static ssize_t | |
2564 | _ctl_device_delay_show(struct device *cdev, struct device_attribute *attr, | |
2565 | char *buf) | |
2566 | { | |
2567 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2568 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2569 | ||
2570 | return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay); | |
2571 | } | |
2572 | static DEVICE_ATTR(device_delay, S_IRUGO, | |
2573 | _ctl_device_delay_show, NULL); | |
2574 | ||
2575 | /** | |
2576 | * _ctl_fw_queue_depth_show - global credits | |
2577 | * @cdev - pointer to embedded class device | |
2578 | * @buf - the buffer returned | |
2579 | * | |
2580 | * This is firmware queue depth limit | |
2581 | * | |
2582 | * A sysfs 'read-only' shost attribute. | |
2583 | */ | |
2584 | static ssize_t | |
2585 | _ctl_fw_queue_depth_show(struct device *cdev, struct device_attribute *attr, | |
2586 | char *buf) | |
2587 | { | |
2588 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2589 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2590 | ||
2591 | return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->facts.RequestCredit); | |
2592 | } | |
2593 | static DEVICE_ATTR(fw_queue_depth, S_IRUGO, | |
2594 | _ctl_fw_queue_depth_show, NULL); | |
2595 | ||
2596 | /** | |
2597 | * _ctl_sas_address_show - sas address | |
2598 | * @cdev - pointer to embedded class device | |
2599 | * @buf - the buffer returned | |
2600 | * | |
2601 | * This is the controller sas address | |
2602 | * | |
2603 | * A sysfs 'read-only' shost attribute. | |
2604 | */ | |
2605 | static ssize_t | |
2606 | _ctl_host_sas_address_show(struct device *cdev, struct device_attribute *attr, | |
2607 | char *buf) | |
2608 | { | |
2609 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2610 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2611 | ||
2612 | return snprintf(buf, PAGE_SIZE, "0x%016llx\n", | |
2613 | (unsigned long long)ioc->sas_hba.sas_address); | |
2614 | } | |
2615 | static DEVICE_ATTR(host_sas_address, S_IRUGO, | |
2616 | _ctl_host_sas_address_show, NULL); | |
2617 | ||
2618 | /** | |
2619 | * _ctl_logging_level_show - logging level | |
2620 | * @cdev - pointer to embedded class device | |
2621 | * @buf - the buffer returned | |
2622 | * | |
2623 | * A sysfs 'read/write' shost attribute. | |
2624 | */ | |
2625 | static ssize_t | |
2626 | _ctl_logging_level_show(struct device *cdev, struct device_attribute *attr, | |
2627 | char *buf) | |
2628 | { | |
2629 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2630 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2631 | ||
2632 | return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->logging_level); | |
2633 | } | |
2634 | static ssize_t | |
2635 | _ctl_logging_level_store(struct device *cdev, struct device_attribute *attr, | |
2636 | const char *buf, size_t count) | |
2637 | { | |
2638 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2639 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2640 | int val = 0; | |
2641 | ||
2642 | if (sscanf(buf, "%x", &val) != 1) | |
2643 | return -EINVAL; | |
2644 | ||
2645 | ioc->logging_level = val; | |
2646 | printk(MPT2SAS_INFO_FMT "logging_level=%08xh\n", ioc->name, | |
2647 | ioc->logging_level); | |
2648 | return strlen(buf); | |
2649 | } | |
2650 | static DEVICE_ATTR(logging_level, S_IRUGO | S_IWUSR, | |
2651 | _ctl_logging_level_show, _ctl_logging_level_store); | |
2652 | ||
fa7f3167 KD |
2653 | /* device attributes */ |
2654 | /* | |
2655 | * _ctl_fwfault_debug_show - show/store fwfault_debug | |
2656 | * @cdev - pointer to embedded class device | |
2657 | * @buf - the buffer returned | |
2658 | * | |
2659 | * mpt2sas_fwfault_debug is command line option | |
2660 | * A sysfs 'read/write' shost attribute. | |
2661 | */ | |
2662 | static ssize_t | |
2663 | _ctl_fwfault_debug_show(struct device *cdev, | |
2664 | struct device_attribute *attr, char *buf) | |
2665 | { | |
2666 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2667 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2668 | ||
2669 | return snprintf(buf, PAGE_SIZE, "%d\n", ioc->fwfault_debug); | |
2670 | } | |
2671 | static ssize_t | |
2672 | _ctl_fwfault_debug_store(struct device *cdev, | |
2673 | struct device_attribute *attr, const char *buf, size_t count) | |
2674 | { | |
2675 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2676 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2677 | int val = 0; | |
2678 | ||
2679 | if (sscanf(buf, "%d", &val) != 1) | |
2680 | return -EINVAL; | |
2681 | ||
2682 | ioc->fwfault_debug = val; | |
2683 | printk(MPT2SAS_INFO_FMT "fwfault_debug=%d\n", ioc->name, | |
2684 | ioc->fwfault_debug); | |
2685 | return strlen(buf); | |
2686 | } | |
2687 | static DEVICE_ATTR(fwfault_debug, S_IRUGO | S_IWUSR, | |
2688 | _ctl_fwfault_debug_show, _ctl_fwfault_debug_store); | |
2689 | ||
d32a8c15 KD |
2690 | |
2691 | /** | |
2692 | * _ctl_ioc_reset_count_show - ioc reset count | |
2693 | * @cdev - pointer to embedded class device | |
2694 | * @buf - the buffer returned | |
2695 | * | |
2696 | * This is firmware queue depth limit | |
2697 | * | |
2698 | * A sysfs 'read-only' shost attribute. | |
2699 | */ | |
2700 | static ssize_t | |
2701 | _ctl_ioc_reset_count_show(struct device *cdev, struct device_attribute *attr, | |
2702 | char *buf) | |
2703 | { | |
2704 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2705 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2706 | ||
2707 | return snprintf(buf, PAGE_SIZE, "%08d\n", ioc->ioc_reset_count); | |
2708 | } | |
2709 | static DEVICE_ATTR(ioc_reset_count, S_IRUGO, | |
2710 | _ctl_ioc_reset_count_show, NULL); | |
2711 | ||
911ae943 | 2712 | /** |
2713 | * _ctl_ioc_reply_queue_count_show - number of reply queues | |
2714 | * @cdev - pointer to embedded class device | |
2715 | * @buf - the buffer returned | |
2716 | * | |
2717 | * This is number of reply queues | |
2718 | * | |
2719 | * A sysfs 'read-only' shost attribute. | |
2720 | */ | |
2721 | static ssize_t | |
2722 | _ctl_ioc_reply_queue_count_show(struct device *cdev, | |
2723 | struct device_attribute *attr, char *buf) | |
2724 | { | |
2725 | u8 reply_queue_count; | |
2726 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2727 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2728 | ||
2729 | if ((ioc->facts.IOCCapabilities & | |
2730 | MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable) | |
2731 | reply_queue_count = ioc->reply_queue_count; | |
2732 | else | |
2733 | reply_queue_count = 1; | |
2734 | return snprintf(buf, PAGE_SIZE, "%d\n", reply_queue_count); | |
2735 | } | |
2736 | static DEVICE_ATTR(reply_queue_count, S_IRUGO, | |
2737 | _ctl_ioc_reply_queue_count_show, NULL); | |
2738 | ||
570c67ac | 2739 | struct DIAG_BUFFER_START { |
c97951ec KD |
2740 | __le32 Size; |
2741 | __le32 DiagVersion; | |
570c67ac KD |
2742 | u8 BufferType; |
2743 | u8 Reserved[3]; | |
c97951ec KD |
2744 | __le32 Reserved1; |
2745 | __le32 Reserved2; | |
2746 | __le32 Reserved3; | |
570c67ac KD |
2747 | }; |
2748 | /** | |
2749 | * _ctl_host_trace_buffer_size_show - host buffer size (trace only) | |
2750 | * @cdev - pointer to embedded class device | |
2751 | * @buf - the buffer returned | |
2752 | * | |
2753 | * A sysfs 'read-only' shost attribute. | |
2754 | */ | |
2755 | static ssize_t | |
2756 | _ctl_host_trace_buffer_size_show(struct device *cdev, | |
2757 | struct device_attribute *attr, char *buf) | |
2758 | { | |
2759 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2760 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2761 | u32 size = 0; | |
2762 | struct DIAG_BUFFER_START *request_data; | |
2763 | ||
2764 | if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) { | |
2765 | printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not " | |
2766 | "registered\n", ioc->name, __func__); | |
2767 | return 0; | |
2768 | } | |
2769 | ||
2770 | if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2771 | MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) { | |
2772 | printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not " | |
2773 | "registered\n", ioc->name, __func__); | |
2774 | return 0; | |
2775 | } | |
2776 | ||
2777 | request_data = (struct DIAG_BUFFER_START *) | |
2778 | ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]; | |
2779 | if ((le32_to_cpu(request_data->DiagVersion) == 0x00000000 || | |
2780 | le32_to_cpu(request_data->DiagVersion) == 0x01000000) && | |
2781 | le32_to_cpu(request_data->Reserved3) == 0x4742444c) | |
2782 | size = le32_to_cpu(request_data->Size); | |
2783 | ||
2784 | ioc->ring_buffer_sz = size; | |
2785 | return snprintf(buf, PAGE_SIZE, "%d\n", size); | |
2786 | } | |
2787 | static DEVICE_ATTR(host_trace_buffer_size, S_IRUGO, | |
2788 | _ctl_host_trace_buffer_size_show, NULL); | |
2789 | ||
2790 | /** | |
2791 | * _ctl_host_trace_buffer_show - firmware ring buffer (trace only) | |
2792 | * @cdev - pointer to embedded class device | |
2793 | * @buf - the buffer returned | |
2794 | * | |
2795 | * A sysfs 'read/write' shost attribute. | |
2796 | * | |
2797 | * You will only be able to read 4k bytes of ring buffer at a time. | |
2798 | * In order to read beyond 4k bytes, you will have to write out the | |
2799 | * offset to the same attribute, it will move the pointer. | |
2800 | */ | |
2801 | static ssize_t | |
2802 | _ctl_host_trace_buffer_show(struct device *cdev, struct device_attribute *attr, | |
2803 | char *buf) | |
2804 | { | |
2805 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2806 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2807 | void *request_data; | |
2808 | u32 size; | |
2809 | ||
2810 | if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) { | |
2811 | printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not " | |
2812 | "registered\n", ioc->name, __func__); | |
2813 | return 0; | |
2814 | } | |
2815 | ||
2816 | if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2817 | MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) { | |
2818 | printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not " | |
2819 | "registered\n", ioc->name, __func__); | |
2820 | return 0; | |
2821 | } | |
2822 | ||
2823 | if (ioc->ring_buffer_offset > ioc->ring_buffer_sz) | |
2824 | return 0; | |
2825 | ||
2826 | size = ioc->ring_buffer_sz - ioc->ring_buffer_offset; | |
2827 | size = (size > PAGE_SIZE) ? PAGE_SIZE : size; | |
2828 | request_data = ioc->diag_buffer[0] + ioc->ring_buffer_offset; | |
2829 | memcpy(buf, request_data, size); | |
2830 | return size; | |
2831 | } | |
2832 | ||
2833 | static ssize_t | |
2834 | _ctl_host_trace_buffer_store(struct device *cdev, struct device_attribute *attr, | |
2835 | const char *buf, size_t count) | |
2836 | { | |
2837 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2838 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2839 | int val = 0; | |
2840 | ||
2841 | if (sscanf(buf, "%d", &val) != 1) | |
2842 | return -EINVAL; | |
2843 | ||
2844 | ioc->ring_buffer_offset = val; | |
2845 | return strlen(buf); | |
2846 | } | |
2847 | static DEVICE_ATTR(host_trace_buffer, S_IRUGO | S_IWUSR, | |
2848 | _ctl_host_trace_buffer_show, _ctl_host_trace_buffer_store); | |
2849 | ||
2850 | /*****************************************/ | |
2851 | ||
2852 | /** | |
2853 | * _ctl_host_trace_buffer_enable_show - firmware ring buffer (trace only) | |
2854 | * @cdev - pointer to embedded class device | |
2855 | * @buf - the buffer returned | |
2856 | * | |
2857 | * A sysfs 'read/write' shost attribute. | |
2858 | * | |
2859 | * This is a mechnism to post/release host_trace_buffers | |
2860 | */ | |
2861 | static ssize_t | |
2862 | _ctl_host_trace_buffer_enable_show(struct device *cdev, | |
2863 | struct device_attribute *attr, char *buf) | |
2864 | { | |
2865 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2866 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2867 | ||
2868 | if ((!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) || | |
2869 | ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2870 | MPT2_DIAG_BUFFER_IS_REGISTERED) == 0)) | |
2871 | return snprintf(buf, PAGE_SIZE, "off\n"); | |
2872 | else if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2873 | MPT2_DIAG_BUFFER_IS_RELEASED)) | |
2874 | return snprintf(buf, PAGE_SIZE, "release\n"); | |
2875 | else | |
2876 | return snprintf(buf, PAGE_SIZE, "post\n"); | |
2877 | } | |
2878 | ||
2879 | static ssize_t | |
2880 | _ctl_host_trace_buffer_enable_store(struct device *cdev, | |
2881 | struct device_attribute *attr, const char *buf, size_t count) | |
2882 | { | |
2883 | struct Scsi_Host *shost = class_to_shost(cdev); | |
2884 | struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); | |
2885 | char str[10] = ""; | |
2886 | struct mpt2_diag_register diag_register; | |
2887 | u8 issue_reset = 0; | |
2888 | ||
2889 | if (sscanf(buf, "%s", str) != 1) | |
2890 | return -EINVAL; | |
2891 | ||
2892 | if (!strcmp(str, "post")) { | |
2893 | /* exit out if host buffers are already posted */ | |
2894 | if ((ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) && | |
2895 | (ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2896 | MPT2_DIAG_BUFFER_IS_REGISTERED) && | |
2897 | ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2898 | MPT2_DIAG_BUFFER_IS_RELEASED) == 0)) | |
2899 | goto out; | |
2900 | memset(&diag_register, 0, sizeof(struct mpt2_diag_register)); | |
2901 | printk(MPT2SAS_INFO_FMT "posting host trace buffers\n", | |
2902 | ioc->name); | |
2903 | diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_TRACE; | |
2904 | diag_register.requested_buffer_size = (1024 * 1024); | |
2905 | diag_register.unique_id = 0x7075900; | |
2906 | ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] = 0; | |
2907 | _ctl_diag_register_2(ioc, &diag_register); | |
2908 | } else if (!strcmp(str, "release")) { | |
2909 | /* exit out if host buffers are already released */ | |
2910 | if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) | |
2911 | goto out; | |
2912 | if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2913 | MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) | |
2914 | goto out; | |
2915 | if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] & | |
2916 | MPT2_DIAG_BUFFER_IS_RELEASED)) | |
2917 | goto out; | |
2918 | printk(MPT2SAS_INFO_FMT "releasing host trace buffer\n", | |
2919 | ioc->name); | |
2920 | _ctl_send_release(ioc, MPI2_DIAG_BUF_TYPE_TRACE, &issue_reset); | |
2921 | } | |
2922 | ||
2923 | out: | |
2924 | return strlen(buf); | |
2925 | } | |
2926 | static DEVICE_ATTR(host_trace_buffer_enable, S_IRUGO | S_IWUSR, | |
2927 | _ctl_host_trace_buffer_enable_show, _ctl_host_trace_buffer_enable_store); | |
d32a8c15 | 2928 | |
635374e7 EM |
2929 | struct device_attribute *mpt2sas_host_attrs[] = { |
2930 | &dev_attr_version_fw, | |
2931 | &dev_attr_version_bios, | |
2932 | &dev_attr_version_mpi, | |
2933 | &dev_attr_version_product, | |
2934 | &dev_attr_version_nvdata_persistent, | |
2935 | &dev_attr_version_nvdata_default, | |
2936 | &dev_attr_board_name, | |
2937 | &dev_attr_board_assembly, | |
2938 | &dev_attr_board_tracer, | |
2939 | &dev_attr_io_delay, | |
2940 | &dev_attr_device_delay, | |
2941 | &dev_attr_logging_level, | |
fa7f3167 | 2942 | &dev_attr_fwfault_debug, |
635374e7 EM |
2943 | &dev_attr_fw_queue_depth, |
2944 | &dev_attr_host_sas_address, | |
d32a8c15 | 2945 | &dev_attr_ioc_reset_count, |
570c67ac KD |
2946 | &dev_attr_host_trace_buffer_size, |
2947 | &dev_attr_host_trace_buffer, | |
2948 | &dev_attr_host_trace_buffer_enable, | |
911ae943 | 2949 | &dev_attr_reply_queue_count, |
635374e7 EM |
2950 | NULL, |
2951 | }; | |
2952 | ||
635374e7 EM |
2953 | /** |
2954 | * _ctl_device_sas_address_show - sas address | |
2955 | * @cdev - pointer to embedded class device | |
2956 | * @buf - the buffer returned | |
2957 | * | |
2958 | * This is the sas address for the target | |
2959 | * | |
2960 | * A sysfs 'read-only' shost attribute. | |
2961 | */ | |
2962 | static ssize_t | |
2963 | _ctl_device_sas_address_show(struct device *dev, struct device_attribute *attr, | |
2964 | char *buf) | |
2965 | { | |
2966 | struct scsi_device *sdev = to_scsi_device(dev); | |
2967 | struct MPT2SAS_DEVICE *sas_device_priv_data = sdev->hostdata; | |
2968 | ||
2969 | return snprintf(buf, PAGE_SIZE, "0x%016llx\n", | |
2970 | (unsigned long long)sas_device_priv_data->sas_target->sas_address); | |
2971 | } | |
2972 | static DEVICE_ATTR(sas_address, S_IRUGO, _ctl_device_sas_address_show, NULL); | |
2973 | ||
2974 | /** | |
2975 | * _ctl_device_handle_show - device handle | |
2976 | * @cdev - pointer to embedded class device | |
2977 | * @buf - the buffer returned | |
2978 | * | |
2979 | * This is the firmware assigned device handle | |
2980 | * | |
2981 | * A sysfs 'read-only' shost attribute. | |
2982 | */ | |
2983 | static ssize_t | |
2984 | _ctl_device_handle_show(struct device *dev, struct device_attribute *attr, | |
2985 | char *buf) | |
2986 | { | |
2987 | struct scsi_device *sdev = to_scsi_device(dev); | |
2988 | struct MPT2SAS_DEVICE *sas_device_priv_data = sdev->hostdata; | |
2989 | ||
2990 | return snprintf(buf, PAGE_SIZE, "0x%04x\n", | |
2991 | sas_device_priv_data->sas_target->handle); | |
2992 | } | |
2993 | static DEVICE_ATTR(sas_device_handle, S_IRUGO, _ctl_device_handle_show, NULL); | |
2994 | ||
2995 | struct device_attribute *mpt2sas_dev_attrs[] = { | |
2996 | &dev_attr_sas_address, | |
2997 | &dev_attr_sas_device_handle, | |
2998 | NULL, | |
2999 | }; | |
3000 | ||
3001 | static const struct file_operations ctl_fops = { | |
3002 | .owner = THIS_MODULE, | |
3003 | .unlocked_ioctl = _ctl_ioctl, | |
3004 | .release = _ctl_release, | |
3005 | .poll = _ctl_poll, | |
3006 | .fasync = _ctl_fasync, | |
3007 | #ifdef CONFIG_COMPAT | |
3008 | .compat_ioctl = _ctl_ioctl_compat, | |
3009 | #endif | |
6038f373 | 3010 | .llseek = noop_llseek, |
635374e7 EM |
3011 | }; |
3012 | ||
3013 | static struct miscdevice ctl_dev = { | |
3014 | .minor = MPT2SAS_MINOR, | |
3015 | .name = MPT2SAS_DEV_NAME, | |
3016 | .fops = &ctl_fops, | |
3017 | }; | |
3018 | ||
3019 | /** | |
3020 | * mpt2sas_ctl_init - main entry point for ctl. | |
3021 | * | |
3022 | */ | |
3023 | void | |
3024 | mpt2sas_ctl_init(void) | |
3025 | { | |
3026 | async_queue = NULL; | |
3027 | if (misc_register(&ctl_dev) < 0) | |
3028 | printk(KERN_ERR "%s can't register misc device [minor=%d]\n", | |
3029 | MPT2SAS_DRIVER_NAME, MPT2SAS_MINOR); | |
3030 | ||
3031 | init_waitqueue_head(&ctl_poll_wait); | |
3032 | } | |
3033 | ||
3034 | /** | |
3035 | * mpt2sas_ctl_exit - exit point for ctl | |
3036 | * | |
3037 | */ | |
3038 | void | |
3039 | mpt2sas_ctl_exit(void) | |
3040 | { | |
3041 | struct MPT2SAS_ADAPTER *ioc; | |
3042 | int i; | |
3043 | ||
ba33fadf | 3044 | list_for_each_entry(ioc, &mpt2sas_ioc_list, list) { |
635374e7 EM |
3045 | |
3046 | /* free memory associated to diag buffers */ | |
3047 | for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) { | |
3048 | if (!ioc->diag_buffer[i]) | |
3049 | continue; | |
3050 | pci_free_consistent(ioc->pdev, ioc->diag_buffer_sz[i], | |
3051 | ioc->diag_buffer[i], ioc->diag_buffer_dma[i]); | |
3052 | ioc->diag_buffer[i] = NULL; | |
3053 | ioc->diag_buffer_status[i] = 0; | |
3054 | } | |
3055 | ||
3056 | kfree(ioc->event_log); | |
3057 | } | |
3058 | misc_deregister(&ctl_dev); | |
3059 | } | |
3060 |