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243eabcf MED |
1 | /* |
2 | * linux/drivers/message/fusion/mptspi.c | |
3 | * For use with LSI Logic PCI chip/adapter(s) | |
4 | * running LSI Logic Fusion MPT (Message Passing Technology) firmware. | |
5 | * | |
6 | * Copyright (c) 1999-2005 LSI Logic Corporation | |
7 | * (mailto:mpt_linux_developer@lsil.com) | |
8 | * | |
9 | */ | |
10 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
11 | /* | |
12 | This program is free software; you can redistribute it and/or modify | |
13 | it under the terms of the GNU General Public License as published by | |
14 | the Free Software Foundation; version 2 of the License. | |
15 | ||
16 | This program is distributed in the hope that it will be useful, | |
17 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | GNU General Public License for more details. | |
20 | ||
21 | NO WARRANTY | |
22 | THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR | |
23 | CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT | |
24 | LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, | |
25 | MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is | |
26 | solely responsible for determining the appropriateness of using and | |
27 | distributing the Program and assumes all risks associated with its | |
28 | exercise of rights under this Agreement, including but not limited to | |
29 | the risks and costs of program errors, damage to or loss of data, | |
30 | programs or equipment, and unavailability or interruption of operations. | |
31 | ||
32 | DISCLAIMER OF LIABILITY | |
33 | NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY | |
34 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
35 | DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND | |
36 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR | |
37 | TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE | |
38 | USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED | |
39 | HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES | |
40 | ||
41 | You should have received a copy of the GNU General Public License | |
42 | along with this program; if not, write to the Free Software | |
43 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
44 | */ | |
45 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
46 | ||
47 | #include "linux_compat.h" /* linux-2.6 tweaks */ | |
48 | #include <linux/module.h> | |
49 | #include <linux/kernel.h> | |
50 | #include <linux/init.h> | |
51 | #include <linux/errno.h> | |
52 | #include <linux/kdev_t.h> | |
53 | #include <linux/blkdev.h> | |
54 | #include <linux/delay.h> /* for mdelay */ | |
55 | #include <linux/interrupt.h> /* needed for in_interrupt() proto */ | |
56 | #include <linux/reboot.h> /* notifier code */ | |
57 | #include <linux/sched.h> | |
58 | #include <linux/workqueue.h> | |
59 | ||
60 | #include <scsi/scsi.h> | |
61 | #include <scsi/scsi_cmnd.h> | |
62 | #include <scsi/scsi_device.h> | |
63 | #include <scsi/scsi_host.h> | |
64 | #include <scsi/scsi_tcq.h> | |
65 | ||
66 | #include "mptbase.h" | |
67 | #include "mptscsih.h" | |
68 | ||
69 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
70 | #define my_NAME "Fusion MPT SPI Host driver" | |
71 | #define my_VERSION MPT_LINUX_VERSION_COMMON | |
72 | #define MYNAM "mptspi" | |
73 | ||
74 | MODULE_AUTHOR(MODULEAUTHOR); | |
75 | MODULE_DESCRIPTION(my_NAME); | |
76 | MODULE_LICENSE("GPL"); | |
77 | ||
78 | /* Command line args */ | |
79 | #ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION | |
80 | static int mpt_dv = MPTSCSIH_DOMAIN_VALIDATION; | |
81 | module_param(mpt_dv, int, 0); | |
82 | MODULE_PARM_DESC(mpt_dv, " DV Algorithm: enhanced=1, basic=0 (default=MPTSCSIH_DOMAIN_VALIDATION=1)"); | |
83 | ||
84 | static int mpt_width = MPTSCSIH_MAX_WIDTH; | |
85 | module_param(mpt_width, int, 0); | |
86 | MODULE_PARM_DESC(mpt_width, " Max Bus Width: wide=1, narrow=0 (default=MPTSCSIH_MAX_WIDTH=1)"); | |
87 | ||
88 | static ushort mpt_factor = MPTSCSIH_MIN_SYNC; | |
89 | module_param(mpt_factor, ushort, 0); | |
90 | MODULE_PARM_DESC(mpt_factor, " Min Sync Factor (default=MPTSCSIH_MIN_SYNC=0x08)"); | |
91 | #endif | |
92 | ||
93 | static int mpt_saf_te = MPTSCSIH_SAF_TE; | |
94 | module_param(mpt_saf_te, int, 0); | |
95 | MODULE_PARM_DESC(mpt_saf_te, " Force enabling SEP Processor: enable=1 (default=MPTSCSIH_SAF_TE=0)"); | |
96 | ||
97 | static int mpt_pq_filter = 0; | |
98 | module_param(mpt_pq_filter, int, 0); | |
99 | MODULE_PARM_DESC(mpt_pq_filter, " Enable peripheral qualifier filter: enable=1 (default=0)"); | |
100 | ||
101 | static int mptspiDoneCtx = -1; | |
102 | static int mptspiTaskCtx = -1; | |
103 | static int mptspiInternalCtx = -1; /* Used only for internal commands */ | |
104 | ||
105 | static struct device_attribute mptspi_queue_depth_attr = { | |
106 | .attr = { | |
107 | .name = "queue_depth", | |
108 | .mode = S_IWUSR, | |
109 | }, | |
110 | .store = mptscsih_store_queue_depth, | |
111 | }; | |
112 | ||
113 | static struct device_attribute *mptspi_dev_attrs[] = { | |
114 | &mptspi_queue_depth_attr, | |
115 | NULL, | |
116 | }; | |
117 | ||
118 | static struct scsi_host_template mptspi_driver_template = { | |
119 | .proc_name = "mptspi", | |
120 | .proc_info = mptscsih_proc_info, | |
121 | .name = "MPT SPI Host", | |
122 | .info = mptscsih_info, | |
123 | .queuecommand = mptscsih_qcmd, | |
124 | .slave_alloc = mptscsih_slave_alloc, | |
125 | .slave_configure = mptscsih_slave_configure, | |
126 | .slave_destroy = mptscsih_slave_destroy, | |
127 | .eh_abort_handler = mptscsih_abort, | |
128 | .eh_device_reset_handler = mptscsih_dev_reset, | |
129 | .eh_bus_reset_handler = mptscsih_bus_reset, | |
130 | .eh_host_reset_handler = mptscsih_host_reset, | |
131 | .bios_param = mptscsih_bios_param, | |
132 | .can_queue = MPT_SCSI_CAN_QUEUE, | |
133 | .this_id = -1, | |
134 | .sg_tablesize = MPT_SCSI_SG_DEPTH, | |
135 | .max_sectors = 8192, | |
136 | .cmd_per_lun = 7, | |
137 | .use_clustering = ENABLE_CLUSTERING, | |
138 | .sdev_attrs = mptspi_dev_attrs, | |
139 | }; | |
140 | ||
141 | ||
142 | /**************************************************************************** | |
143 | * Supported hardware | |
144 | */ | |
145 | ||
146 | static struct pci_device_id mptspi_pci_table[] = { | |
147 | { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_53C1030, | |
148 | PCI_ANY_ID, PCI_ANY_ID }, | |
149 | { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_1030_53C1035, | |
150 | PCI_ANY_ID, PCI_ANY_ID }, | |
151 | {0} /* Terminating entry */ | |
152 | }; | |
153 | MODULE_DEVICE_TABLE(pci, mptspi_pci_table); | |
154 | ||
155 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
156 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
157 | /* | |
158 | * mptspi_probe - Installs scsi devices per bus. | |
159 | * @pdev: Pointer to pci_dev structure | |
160 | * | |
161 | * Returns 0 for success, non-zero for failure. | |
162 | * | |
163 | */ | |
164 | static int | |
165 | mptspi_probe(struct pci_dev *pdev, const struct pci_device_id *id) | |
166 | { | |
167 | struct Scsi_Host *sh; | |
168 | MPT_SCSI_HOST *hd; | |
169 | MPT_ADAPTER *ioc; | |
170 | unsigned long flags; | |
171 | int sz, ii; | |
172 | int numSGE = 0; | |
173 | int scale; | |
174 | int ioc_cap; | |
175 | u8 *mem; | |
176 | int error=0; | |
177 | int r; | |
178 | ||
179 | if ((r = mpt_attach(pdev,id)) != 0) | |
180 | return r; | |
181 | ||
182 | ioc = pci_get_drvdata(pdev); | |
183 | ||
184 | /* Added sanity check on readiness of the MPT adapter. | |
185 | */ | |
186 | if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) { | |
187 | printk(MYIOC_s_WARN_FMT | |
188 | "Skipping because it's not operational!\n", | |
189 | ioc->name); | |
190 | return -ENODEV; | |
191 | } | |
192 | ||
193 | if (!ioc->active) { | |
194 | printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n", | |
195 | ioc->name); | |
196 | return -ENODEV; | |
197 | } | |
198 | ||
199 | /* Sanity check - ensure at least 1 port is INITIATOR capable | |
200 | */ | |
201 | ioc_cap = 0; | |
202 | for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) { | |
203 | if (ioc->pfacts[ii].ProtocolFlags & | |
204 | MPI_PORTFACTS_PROTOCOL_INITIATOR) | |
205 | ioc_cap ++; | |
206 | } | |
207 | ||
208 | if (!ioc_cap) { | |
209 | printk(MYIOC_s_WARN_FMT | |
210 | "Skipping ioc=%p because SCSI Initiator mode is NOT enabled!\n", | |
211 | ioc->name, ioc); | |
212 | return -ENODEV; | |
213 | } | |
214 | ||
215 | sh = scsi_host_alloc(&mptspi_driver_template, sizeof(MPT_SCSI_HOST)); | |
216 | ||
217 | if (!sh) { | |
218 | printk(MYIOC_s_WARN_FMT | |
219 | "Unable to register controller with SCSI subsystem\n", | |
220 | ioc->name); | |
221 | return -1; | |
222 | } | |
223 | ||
224 | spin_lock_irqsave(&ioc->FreeQlock, flags); | |
225 | ||
226 | /* Attach the SCSI Host to the IOC structure | |
227 | */ | |
228 | ioc->sh = sh; | |
229 | ||
230 | sh->io_port = 0; | |
231 | sh->n_io_port = 0; | |
232 | sh->irq = 0; | |
233 | ||
234 | /* set 16 byte cdb's */ | |
235 | sh->max_cmd_len = 16; | |
236 | ||
237 | /* Yikes! This is important! | |
238 | * Otherwise, by default, linux | |
239 | * only scans target IDs 0-7! | |
240 | * pfactsN->MaxDevices unreliable | |
241 | * (not supported in early | |
242 | * versions of the FW). | |
243 | * max_id = 1 + actual max id, | |
244 | * max_lun = 1 + actual last lun, | |
245 | * see hosts.h :o( | |
246 | */ | |
247 | sh->max_id = MPT_MAX_SCSI_DEVICES; | |
248 | ||
249 | sh->max_lun = MPT_LAST_LUN + 1; | |
250 | sh->max_channel = 0; | |
251 | sh->this_id = ioc->pfacts[0].PortSCSIID; | |
252 | ||
253 | /* Required entry. | |
254 | */ | |
255 | sh->unique_id = ioc->id; | |
256 | ||
257 | /* Verify that we won't exceed the maximum | |
258 | * number of chain buffers | |
259 | * We can optimize: ZZ = req_sz/sizeof(SGE) | |
260 | * For 32bit SGE's: | |
261 | * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ | |
262 | * + (req_sz - 64)/sizeof(SGE) | |
263 | * A slightly different algorithm is required for | |
264 | * 64bit SGEs. | |
265 | */ | |
266 | scale = ioc->req_sz/(sizeof(dma_addr_t) + sizeof(u32)); | |
267 | if (sizeof(dma_addr_t) == sizeof(u64)) { | |
268 | numSGE = (scale - 1) * | |
269 | (ioc->facts.MaxChainDepth-1) + scale + | |
270 | (ioc->req_sz - 60) / (sizeof(dma_addr_t) + | |
271 | sizeof(u32)); | |
272 | } else { | |
273 | numSGE = 1 + (scale - 1) * | |
274 | (ioc->facts.MaxChainDepth-1) + scale + | |
275 | (ioc->req_sz - 64) / (sizeof(dma_addr_t) + | |
276 | sizeof(u32)); | |
277 | } | |
278 | ||
279 | if (numSGE < sh->sg_tablesize) { | |
280 | /* Reset this value */ | |
281 | dprintk((MYIOC_s_INFO_FMT | |
282 | "Resetting sg_tablesize to %d from %d\n", | |
283 | ioc->name, numSGE, sh->sg_tablesize)); | |
284 | sh->sg_tablesize = numSGE; | |
285 | } | |
286 | ||
287 | /* Set the pci device pointer in Scsi_Host structure. | |
288 | */ | |
289 | scsi_set_device(sh, &ioc->pcidev->dev); | |
290 | ||
291 | spin_unlock_irqrestore(&ioc->FreeQlock, flags); | |
292 | ||
293 | hd = (MPT_SCSI_HOST *) sh->hostdata; | |
294 | hd->ioc = ioc; | |
295 | ||
296 | /* SCSI needs scsi_cmnd lookup table! | |
297 | * (with size equal to req_depth*PtrSz!) | |
298 | */ | |
299 | sz = ioc->req_depth * sizeof(void *); | |
300 | mem = kmalloc(sz, GFP_ATOMIC); | |
301 | if (mem == NULL) { | |
302 | error = -ENOMEM; | |
303 | goto mptspi_probe_failed; | |
304 | } | |
305 | ||
306 | memset(mem, 0, sz); | |
307 | hd->ScsiLookup = (struct scsi_cmnd **) mem; | |
308 | ||
309 | dprintk((MYIOC_s_INFO_FMT "ScsiLookup @ %p, sz=%d\n", | |
310 | ioc->name, hd->ScsiLookup, sz)); | |
311 | ||
312 | /* Allocate memory for the device structures. | |
313 | * A non-Null pointer at an offset | |
314 | * indicates a device exists. | |
315 | * max_id = 1 + maximum id (hosts.h) | |
316 | */ | |
317 | sz = sh->max_id * sizeof(void *); | |
318 | mem = kmalloc(sz, GFP_ATOMIC); | |
319 | if (mem == NULL) { | |
320 | error = -ENOMEM; | |
321 | goto mptspi_probe_failed; | |
322 | } | |
323 | ||
324 | memset(mem, 0, sz); | |
325 | hd->Targets = (VirtDevice **) mem; | |
326 | ||
327 | dprintk((KERN_INFO | |
328 | " Targets @ %p, sz=%d\n", hd->Targets, sz)); | |
329 | ||
330 | /* Clear the TM flags | |
331 | */ | |
332 | hd->tmPending = 0; | |
333 | hd->tmState = TM_STATE_NONE; | |
334 | hd->resetPending = 0; | |
335 | hd->abortSCpnt = NULL; | |
336 | ||
337 | /* Clear the pointer used to store | |
338 | * single-threaded commands, i.e., those | |
339 | * issued during a bus scan, dv and | |
340 | * configuration pages. | |
341 | */ | |
342 | hd->cmdPtr = NULL; | |
343 | ||
344 | /* Initialize this SCSI Hosts' timers | |
345 | * To use, set the timer expires field | |
346 | * and add_timer | |
347 | */ | |
348 | init_timer(&hd->timer); | |
349 | hd->timer.data = (unsigned long) hd; | |
350 | hd->timer.function = mptscsih_timer_expired; | |
351 | ||
352 | ioc->spi_data.Saf_Te = mpt_saf_te; | |
353 | hd->mpt_pq_filter = mpt_pq_filter; | |
354 | ||
355 | #ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION | |
356 | if (ioc->spi_data.maxBusWidth > mpt_width) | |
357 | ioc->spi_data.maxBusWidth = mpt_width; | |
358 | if (ioc->spi_data.minSyncFactor < mpt_factor) | |
359 | ioc->spi_data.minSyncFactor = mpt_factor; | |
360 | if (ioc->spi_data.minSyncFactor == MPT_ASYNC) { | |
361 | ioc->spi_data.maxSyncOffset = 0; | |
362 | } | |
363 | ioc->spi_data.mpt_dv = mpt_dv; | |
364 | hd->negoNvram = 0; | |
365 | ||
366 | ddvprintk((MYIOC_s_INFO_FMT | |
367 | "dv %x width %x factor %x saf_te %x mpt_pq_filter %x\n", | |
368 | ioc->name, | |
369 | mpt_dv, | |
370 | mpt_width, | |
371 | mpt_factor, | |
372 | mpt_saf_te, | |
373 | mpt_pq_filter)); | |
374 | #else | |
375 | hd->negoNvram = MPT_SCSICFG_USE_NVRAM; | |
376 | ddvprintk((MYIOC_s_INFO_FMT | |
377 | "saf_te %x mpt_pq_filter %x\n", | |
378 | ioc->name, | |
379 | mpt_saf_te, | |
380 | mpt_pq_filter)); | |
381 | #endif | |
382 | ||
383 | ioc->spi_data.forceDv = 0; | |
384 | ioc->spi_data.noQas = 0; | |
385 | ||
386 | for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) | |
387 | ioc->spi_data.dvStatus[ii] = | |
388 | MPT_SCSICFG_NEGOTIATE; | |
389 | ||
390 | for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) | |
391 | ioc->spi_data.dvStatus[ii] |= | |
392 | MPT_SCSICFG_DV_NOT_DONE; | |
393 | ||
394 | init_waitqueue_head(&hd->scandv_waitq); | |
395 | hd->scandv_wait_done = 0; | |
396 | hd->last_queue_full = 0; | |
397 | ||
398 | ioc->DoneCtx = mptspiDoneCtx; | |
399 | ioc->TaskCtx = mptspiTaskCtx; | |
400 | ioc->InternalCtx = mptspiInternalCtx; | |
401 | ||
402 | error = scsi_add_host (sh, &ioc->pcidev->dev); | |
403 | if(error) { | |
404 | dprintk((KERN_ERR MYNAM | |
405 | "scsi_add_host failed\n")); | |
406 | goto mptspi_probe_failed; | |
407 | } | |
408 | ||
409 | scsi_scan_host(sh); | |
410 | return 0; | |
411 | ||
412 | mptspi_probe_failed: | |
413 | ||
414 | mptscsih_remove(pdev); | |
415 | return error; | |
416 | } | |
417 | ||
418 | static struct pci_driver mptspi_driver = { | |
419 | .name = "mptspi", | |
420 | .id_table = mptspi_pci_table, | |
421 | .probe = mptspi_probe, | |
422 | .remove = __devexit_p(mptscsih_remove), | |
423 | .driver = { | |
424 | .shutdown = mptscsih_shutdown, | |
425 | }, | |
426 | #ifdef CONFIG_PM | |
427 | .suspend = mptscsih_suspend, | |
428 | .resume = mptscsih_resume, | |
429 | #endif | |
430 | }; | |
431 | ||
432 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
433 | /** | |
434 | * mptspi_init - Register MPT adapter(s) as SCSI host(s) with | |
435 | * linux scsi mid-layer. | |
436 | * | |
437 | * Returns 0 for success, non-zero for failure. | |
438 | */ | |
439 | static int __init | |
440 | mptspi_init(void) | |
441 | { | |
442 | ||
443 | show_mptmod_ver(my_NAME, my_VERSION); | |
444 | ||
445 | mptspiDoneCtx = mpt_register(mptscsih_io_done, MPTSPI_DRIVER); | |
446 | mptspiTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSPI_DRIVER); | |
447 | mptspiInternalCtx = mpt_register(mptscsih_scandv_complete, MPTSPI_DRIVER); | |
448 | ||
449 | if (mpt_event_register(mptspiDoneCtx, mptscsih_event_process) == 0) { | |
450 | devtprintk((KERN_INFO MYNAM | |
451 | ": Registered for IOC event notifications\n")); | |
452 | } | |
453 | ||
454 | if (mpt_reset_register(mptspiDoneCtx, mptscsih_ioc_reset) == 0) { | |
455 | dprintk((KERN_INFO MYNAM | |
456 | ": Registered for IOC reset notifications\n")); | |
457 | } | |
458 | ||
459 | return pci_register_driver(&mptspi_driver); | |
460 | } | |
461 | ||
462 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
463 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
464 | /** | |
465 | * mptspi_exit - Unregisters MPT adapter(s) | |
466 | * | |
467 | */ | |
468 | static void __exit | |
469 | mptspi_exit(void) | |
470 | { | |
471 | pci_unregister_driver(&mptspi_driver); | |
472 | ||
473 | mpt_reset_deregister(mptspiDoneCtx); | |
474 | dprintk((KERN_INFO MYNAM | |
475 | ": Deregistered for IOC reset notifications\n")); | |
476 | ||
477 | mpt_event_deregister(mptspiDoneCtx); | |
478 | dprintk((KERN_INFO MYNAM | |
479 | ": Deregistered for IOC event notifications\n")); | |
480 | ||
481 | mpt_deregister(mptspiInternalCtx); | |
482 | mpt_deregister(mptspiTaskCtx); | |
483 | mpt_deregister(mptspiDoneCtx); | |
484 | } | |
485 | ||
486 | module_init(mptspi_init); | |
487 | module_exit(mptspi_exit); |