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[SCSI] fusion: convert semaphores to mutexes
[deliverable/linux.git] / drivers / message / fusion / mptctl.c
1 /*
2 * linux/drivers/message/fusion/mptctl.c
3 * mpt Ioctl driver.
4 * For use with LSI Logic PCI chip/adapters
5 * running LSI Logic Fusion MPT (Message Passing Technology) firmware.
6 *
7 * Copyright (c) 1999-2005 LSI Logic Corporation
8 * (mailto:mpt_linux_developer@lsil.com)
9 *
10 */
11 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
12 /*
13 This program is free software; you can redistribute it and/or modify
14 it under the terms of the GNU General Public License as published by
15 the Free Software Foundation; version 2 of the License.
16
17 This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
21
22 NO WARRANTY
23 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
24 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
25 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
26 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
27 solely responsible for determining the appropriateness of using and
28 distributing the Program and assumes all risks associated with its
29 exercise of rights under this Agreement, including but not limited to
30 the risks and costs of program errors, damage to or loss of data,
31 programs or equipment, and unavailability or interruption of operations.
32
33 DISCLAIMER OF LIABILITY
34 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
35 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
37 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
38 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
39 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
40 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
41
42 You should have received a copy of the GNU General Public License
43 along with this program; if not, write to the Free Software
44 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
45 */
46 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
47
48 #include <linux/kernel.h>
49 #include <linux/module.h>
50 #include <linux/errno.h>
51 #include <linux/init.h>
52 #include <linux/slab.h>
53 #include <linux/types.h>
54 #include <linux/pci.h>
55 #include <linux/delay.h> /* for mdelay */
56 #include <linux/miscdevice.h>
57 #include <linux/smp_lock.h>
58 #include <linux/compat.h>
59
60 #include <asm/io.h>
61 #include <asm/uaccess.h>
62
63 #include <scsi/scsi.h>
64 #include <scsi/scsi_cmnd.h>
65 #include <scsi/scsi_device.h>
66 #include <scsi/scsi_host.h>
67 #include <scsi/scsi_tcq.h>
68
69 #define COPYRIGHT "Copyright (c) 1999-2005 LSI Logic Corporation"
70 #define MODULEAUTHOR "LSI Logic Corporation"
71 #include "mptbase.h"
72 #include "mptctl.h"
73
74 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
75 #define my_NAME "Fusion MPT misc device (ioctl) driver"
76 #define my_VERSION MPT_LINUX_VERSION_COMMON
77 #define MYNAM "mptctl"
78
79 MODULE_AUTHOR(MODULEAUTHOR);
80 MODULE_DESCRIPTION(my_NAME);
81 MODULE_LICENSE("GPL");
82
83 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
84
85 static int mptctl_id = -1;
86
87 static DECLARE_WAIT_QUEUE_HEAD ( mptctl_wait );
88
89 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
90
91 struct buflist {
92 u8 *kptr;
93 int len;
94 };
95
96 /*
97 * Function prototypes. Called from OS entry point mptctl_ioctl.
98 * arg contents specific to function.
99 */
100 static int mptctl_fw_download(unsigned long arg);
101 static int mptctl_getiocinfo(unsigned long arg, unsigned int cmd);
102 static int mptctl_gettargetinfo(unsigned long arg);
103 static int mptctl_readtest(unsigned long arg);
104 static int mptctl_mpt_command(unsigned long arg);
105 static int mptctl_eventquery(unsigned long arg);
106 static int mptctl_eventenable(unsigned long arg);
107 static int mptctl_eventreport(unsigned long arg);
108 static int mptctl_replace_fw(unsigned long arg);
109
110 static int mptctl_do_reset(unsigned long arg);
111 static int mptctl_hp_hostinfo(unsigned long arg, unsigned int cmd);
112 static int mptctl_hp_targetinfo(unsigned long arg);
113
114 static int mptctl_probe(struct pci_dev *, const struct pci_device_id *);
115 static void mptctl_remove(struct pci_dev *);
116
117 #ifdef CONFIG_COMPAT
118 static long compat_mpctl_ioctl(struct file *f, unsigned cmd, unsigned long arg);
119 #endif
120 /*
121 * Private function calls.
122 */
123 static int mptctl_do_mpt_command(struct mpt_ioctl_command karg, void __user *mfPtr);
124 static int mptctl_do_fw_download(int ioc, char __user *ufwbuf, size_t fwlen);
125 static MptSge_t *kbuf_alloc_2_sgl(int bytes, u32 dir, int sge_offset, int *frags,
126 struct buflist **blp, dma_addr_t *sglbuf_dma, MPT_ADAPTER *ioc);
127 static void kfree_sgl(MptSge_t *sgl, dma_addr_t sgl_dma,
128 struct buflist *buflist, MPT_ADAPTER *ioc);
129 static void mptctl_timeout_expired (MPT_IOCTL *ioctl);
130 static int mptctl_bus_reset(MPT_IOCTL *ioctl);
131 static int mptctl_set_tm_flags(MPT_SCSI_HOST *hd);
132 static void mptctl_free_tm_flags(MPT_ADAPTER *ioc);
133
134 /*
135 * Reset Handler cleanup function
136 */
137 static int mptctl_ioc_reset(MPT_ADAPTER *ioc, int reset_phase);
138
139 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
140 /*
141 * Scatter gather list (SGL) sizes and limits...
142 */
143 //#define MAX_SCSI_FRAGS 9
144 #define MAX_FRAGS_SPILL1 9
145 #define MAX_FRAGS_SPILL2 15
146 #define FRAGS_PER_BUCKET (MAX_FRAGS_SPILL2 + 1)
147
148 //#define MAX_CHAIN_FRAGS 64
149 //#define MAX_CHAIN_FRAGS (15+15+15+16)
150 #define MAX_CHAIN_FRAGS (4 * MAX_FRAGS_SPILL2 + 1)
151
152 // Define max sg LIST bytes ( == (#frags + #chains) * 8 bytes each)
153 // Works out to: 592d bytes! (9+1)*8 + 4*(15+1)*8
154 // ^----------------- 80 + 512
155 #define MAX_SGL_BYTES ((MAX_FRAGS_SPILL1 + 1 + (4 * FRAGS_PER_BUCKET)) * 8)
156
157 /* linux only seems to ever give 128kB MAX contiguous (GFP_USER) mem bytes */
158 #define MAX_KMALLOC_SZ (128*1024)
159
160 #define MPT_IOCTL_DEFAULT_TIMEOUT 10 /* Default timeout value (seconds) */
161
162 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
163 /**
164 * mptctl_syscall_down - Down the MPT adapter syscall semaphore.
165 * @ioc: Pointer to MPT adapter
166 * @nonblock: boolean, non-zero if O_NONBLOCK is set
167 *
168 * All of the ioctl commands can potentially sleep, which is illegal
169 * with a spinlock held, thus we perform mutual exclusion here.
170 *
171 * Returns negative errno on error, or zero for success.
172 */
173 static inline int
174 mptctl_syscall_down(MPT_ADAPTER *ioc, int nonblock)
175 {
176 int rc = 0;
177 dctlprintk((KERN_INFO MYNAM "::mptctl_syscall_down(%p,%d) called\n", ioc, nonblock));
178
179 if (nonblock) {
180 if (!mutex_trylock(&ioc->ioctl->ioctl_mutex))
181 rc = -EAGAIN;
182 } else {
183 if (mutex_lock_interruptible(&ioc->ioctl->ioctl_mutex))
184 rc = -ERESTARTSYS;
185 }
186 dctlprintk((KERN_INFO MYNAM "::mptctl_syscall_down return %d\n", rc));
187 return rc;
188 }
189
190 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
191 /*
192 * This is the callback for any message we have posted. The message itself
193 * will be returned to the message pool when we return from the IRQ
194 *
195 * This runs in irq context so be short and sweet.
196 */
197 static int
198 mptctl_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply)
199 {
200 char *sense_data;
201 int sz, req_index;
202 u16 iocStatus;
203 u8 cmd;
204
205 dctlprintk(("mptctl_reply()!\n"));
206 if (req)
207 cmd = req->u.hdr.Function;
208 else
209 return 1;
210
211 if (ioc->ioctl) {
212
213 if (reply==NULL) {
214
215 dctlprintk(("mptctl_reply() NULL Reply "
216 "Function=%x!\n", cmd));
217
218 ioc->ioctl->status |= MPT_IOCTL_STATUS_COMMAND_GOOD;
219 ioc->ioctl->reset &= ~MPTCTL_RESET_OK;
220
221 /* We are done, issue wake up
222 */
223 ioc->ioctl->wait_done = 1;
224 wake_up (&mptctl_wait);
225 return 1;
226
227 }
228
229 dctlprintk(("mptctl_reply() with req=%p "
230 "reply=%p Function=%x!\n", req, reply, cmd));
231
232 /* Copy the reply frame (which much exist
233 * for non-SCSI I/O) to the IOC structure.
234 */
235 dctlprintk(("Copying Reply Frame @%p to ioc%d!\n",
236 reply, ioc->id));
237 memcpy(ioc->ioctl->ReplyFrame, reply,
238 min(ioc->reply_sz, 4*reply->u.reply.MsgLength));
239 ioc->ioctl->status |= MPT_IOCTL_STATUS_RF_VALID;
240
241 /* Set the command status to GOOD if IOC Status is GOOD
242 * OR if SCSI I/O cmd and data underrun or recovered error.
243 */
244 iocStatus = le16_to_cpu(reply->u.reply.IOCStatus) & MPI_IOCSTATUS_MASK;
245 if (iocStatus == MPI_IOCSTATUS_SUCCESS)
246 ioc->ioctl->status |= MPT_IOCTL_STATUS_COMMAND_GOOD;
247
248 if ((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
249 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) {
250 ioc->ioctl->reset &= ~MPTCTL_RESET_OK;
251
252 if ((iocStatus == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN) ||
253 (iocStatus == MPI_IOCSTATUS_SCSI_RECOVERED_ERROR)) {
254 ioc->ioctl->status |= MPT_IOCTL_STATUS_COMMAND_GOOD;
255 }
256 }
257
258 /* Copy the sense data - if present
259 */
260 if ((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) &&
261 (reply->u.sreply.SCSIState &
262 MPI_SCSI_STATE_AUTOSENSE_VALID)){
263 sz = req->u.scsireq.SenseBufferLength;
264 req_index =
265 le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
266 sense_data =
267 ((u8 *)ioc->sense_buf_pool +
268 (req_index * MPT_SENSE_BUFFER_ALLOC));
269 memcpy(ioc->ioctl->sense, sense_data, sz);
270 ioc->ioctl->status |= MPT_IOCTL_STATUS_SENSE_VALID;
271 }
272
273 if (cmd == MPI_FUNCTION_SCSI_TASK_MGMT)
274 mptctl_free_tm_flags(ioc);
275
276 /* We are done, issue wake up
277 */
278 ioc->ioctl->wait_done = 1;
279 wake_up (&mptctl_wait);
280 }
281 return 1;
282 }
283
284 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
285 /* mptctl_timeout_expired
286 *
287 * Expecting an interrupt, however timed out.
288 *
289 */
290 static void mptctl_timeout_expired (MPT_IOCTL *ioctl)
291 {
292 int rc = 1;
293
294 dctlprintk((KERN_NOTICE MYNAM ": Timeout Expired! Host %d\n",
295 ioctl->ioc->id));
296 if (ioctl == NULL)
297 return;
298
299 ioctl->wait_done = 0;
300 if (ioctl->reset & MPTCTL_RESET_OK)
301 rc = mptctl_bus_reset(ioctl);
302
303 if (rc) {
304 /* Issue a reset for this device.
305 * The IOC is not responding.
306 */
307 dctlprintk((MYIOC_s_INFO_FMT "Calling HardReset! \n",
308 ioctl->ioc->name));
309 mpt_HardResetHandler(ioctl->ioc, NO_SLEEP);
310 }
311 return;
312
313 }
314
315 /* mptctl_bus_reset
316 *
317 * Bus reset code.
318 *
319 */
320 static int mptctl_bus_reset(MPT_IOCTL *ioctl)
321 {
322 MPT_FRAME_HDR *mf;
323 SCSITaskMgmt_t *pScsiTm;
324 MPT_SCSI_HOST *hd;
325 int ii;
326 int retval;
327
328
329 ioctl->reset &= ~MPTCTL_RESET_OK;
330
331 if (ioctl->ioc->sh == NULL)
332 return -EPERM;
333
334 hd = (MPT_SCSI_HOST *) ioctl->ioc->sh->hostdata;
335 if (hd == NULL)
336 return -EPERM;
337
338 /* Single threading ....
339 */
340 if (mptctl_set_tm_flags(hd) != 0)
341 return -EPERM;
342
343 /* Send request
344 */
345 if ((mf = mpt_get_msg_frame(mptctl_id, ioctl->ioc)) == NULL) {
346 dctlprintk((MYIOC_s_WARN_FMT "IssueTaskMgmt, no msg frames!!\n",
347 ioctl->ioc->name));
348
349 mptctl_free_tm_flags(ioctl->ioc);
350 return -ENOMEM;
351 }
352
353 dtmprintk((MYIOC_s_INFO_FMT "IssueTaskMgmt request @ %p\n",
354 ioctl->ioc->name, mf));
355
356 pScsiTm = (SCSITaskMgmt_t *) mf;
357 pScsiTm->TargetID = ioctl->target;
358 pScsiTm->Bus = hd->port; /* 0 */
359 pScsiTm->ChainOffset = 0;
360 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
361 pScsiTm->Reserved = 0;
362 pScsiTm->TaskType = MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS;
363 pScsiTm->Reserved1 = 0;
364 pScsiTm->MsgFlags = MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION;
365
366 for (ii= 0; ii < 8; ii++)
367 pScsiTm->LUN[ii] = 0;
368
369 for (ii=0; ii < 7; ii++)
370 pScsiTm->Reserved2[ii] = 0;
371
372 pScsiTm->TaskMsgContext = 0;
373 dtmprintk((MYIOC_s_INFO_FMT
374 "mptctl_bus_reset: issued.\n", ioctl->ioc->name));
375
376 DBG_DUMP_TM_REQUEST_FRAME((u32 *)mf);
377
378 ioctl->wait_done=0;
379 if ((retval = mpt_send_handshake_request(mptctl_id, ioctl->ioc,
380 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP)) != 0) {
381 dfailprintk((MYIOC_s_ERR_FMT "_send_handshake FAILED!"
382 " (hd %p, ioc %p, mf %p) \n", hd->ioc->name, hd,
383 hd->ioc, mf));
384 goto mptctl_bus_reset_done;
385 }
386
387 /* Now wait for the command to complete */
388 ii = wait_event_interruptible_timeout(mptctl_wait,
389 ioctl->wait_done == 1,
390 HZ*5 /* 5 second timeout */);
391
392 if(ii <=0 && (ioctl->wait_done != 1 )) {
393 ioctl->wait_done = 0;
394 retval = -1; /* return failure */
395 }
396
397 mptctl_bus_reset_done:
398
399 mpt_free_msg_frame(hd->ioc, mf);
400 mptctl_free_tm_flags(ioctl->ioc);
401 return retval;
402 }
403
404 static int
405 mptctl_set_tm_flags(MPT_SCSI_HOST *hd) {
406 unsigned long flags;
407
408 spin_lock_irqsave(&hd->ioc->FreeQlock, flags);
409
410 if (hd->tmState == TM_STATE_NONE) {
411 hd->tmState = TM_STATE_IN_PROGRESS;
412 hd->tmPending = 1;
413 spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags);
414 } else {
415 spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags);
416 return -EBUSY;
417 }
418
419 return 0;
420 }
421
422 static void
423 mptctl_free_tm_flags(MPT_ADAPTER *ioc)
424 {
425 MPT_SCSI_HOST * hd;
426 unsigned long flags;
427
428 hd = (MPT_SCSI_HOST *) ioc->sh->hostdata;
429 if (hd == NULL)
430 return;
431
432 spin_lock_irqsave(&ioc->FreeQlock, flags);
433
434 hd->tmState = TM_STATE_NONE;
435 hd->tmPending = 0;
436 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
437
438 return;
439 }
440
441 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
442 /* mptctl_ioc_reset
443 *
444 * Clean-up functionality. Used only if there has been a
445 * reload of the FW due.
446 *
447 */
448 static int
449 mptctl_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
450 {
451 MPT_IOCTL *ioctl = ioc->ioctl;
452 dctlprintk((KERN_INFO MYNAM ": IOC %s_reset routed to IOCTL driver!\n",
453 reset_phase==MPT_IOC_SETUP_RESET ? "setup" : (
454 reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post")));
455
456 if(ioctl == NULL)
457 return 1;
458
459 switch(reset_phase) {
460 case MPT_IOC_SETUP_RESET:
461 ioctl->status |= MPT_IOCTL_STATUS_DID_IOCRESET;
462 break;
463 case MPT_IOC_POST_RESET:
464 ioctl->status &= ~MPT_IOCTL_STATUS_DID_IOCRESET;
465 break;
466 case MPT_IOC_PRE_RESET:
467 default:
468 break;
469 }
470
471 return 1;
472 }
473
474 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
475 /*
476 * MPT ioctl handler
477 * cmd - specify the particular IOCTL command to be issued
478 * arg - data specific to the command. Must not be null.
479 */
480 static long
481 __mptctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
482 {
483 mpt_ioctl_header __user *uhdr = (void __user *) arg;
484 mpt_ioctl_header khdr;
485 int iocnum;
486 unsigned iocnumX;
487 int nonblock = (file->f_flags & O_NONBLOCK);
488 int ret;
489 MPT_ADAPTER *iocp = NULL;
490
491 dctlprintk(("mptctl_ioctl() called\n"));
492
493 if (copy_from_user(&khdr, uhdr, sizeof(khdr))) {
494 printk(KERN_ERR "%s::mptctl_ioctl() @%d - "
495 "Unable to copy mpt_ioctl_header data @ %p\n",
496 __FILE__, __LINE__, uhdr);
497 return -EFAULT;
498 }
499 ret = -ENXIO; /* (-6) No such device or address */
500
501 /* Verify intended MPT adapter - set iocnum and the adapter
502 * pointer (iocp)
503 */
504 iocnumX = khdr.iocnum & 0xFF;
505 if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) ||
506 (iocp == NULL)) {
507 dctlprintk((KERN_ERR "%s::mptctl_ioctl() @%d - ioc%d not found!\n",
508 __FILE__, __LINE__, iocnumX));
509 return -ENODEV;
510 }
511
512 if (!iocp->active) {
513 printk(KERN_ERR "%s::mptctl_ioctl() @%d - Controller disabled.\n",
514 __FILE__, __LINE__);
515 return -EFAULT;
516 }
517
518 /* Handle those commands that are just returning
519 * information stored in the driver.
520 * These commands should never time out and are unaffected
521 * by TM and FW reloads.
522 */
523 if ((cmd & ~IOCSIZE_MASK) == (MPTIOCINFO & ~IOCSIZE_MASK)) {
524 return mptctl_getiocinfo(arg, _IOC_SIZE(cmd));
525 } else if (cmd == MPTTARGETINFO) {
526 return mptctl_gettargetinfo(arg);
527 } else if (cmd == MPTTEST) {
528 return mptctl_readtest(arg);
529 } else if (cmd == MPTEVENTQUERY) {
530 return mptctl_eventquery(arg);
531 } else if (cmd == MPTEVENTENABLE) {
532 return mptctl_eventenable(arg);
533 } else if (cmd == MPTEVENTREPORT) {
534 return mptctl_eventreport(arg);
535 } else if (cmd == MPTFWREPLACE) {
536 return mptctl_replace_fw(arg);
537 }
538
539 /* All of these commands require an interrupt or
540 * are unknown/illegal.
541 */
542 if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0)
543 return ret;
544
545 dctlprintk((MYIOC_s_INFO_FMT ": mptctl_ioctl()\n", iocp->name));
546
547 if (cmd == MPTFWDOWNLOAD)
548 ret = mptctl_fw_download(arg);
549 else if (cmd == MPTCOMMAND)
550 ret = mptctl_mpt_command(arg);
551 else if (cmd == MPTHARDRESET)
552 ret = mptctl_do_reset(arg);
553 else if ((cmd & ~IOCSIZE_MASK) == (HP_GETHOSTINFO & ~IOCSIZE_MASK))
554 ret = mptctl_hp_hostinfo(arg, _IOC_SIZE(cmd));
555 else if (cmd == HP_GETTARGETINFO)
556 ret = mptctl_hp_targetinfo(arg);
557 else
558 ret = -EINVAL;
559
560 mutex_unlock(&iocp->ioctl->ioctl_mutex);
561
562 return ret;
563 }
564
565 static long
566 mptctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
567 {
568 long ret;
569 lock_kernel();
570 ret = __mptctl_ioctl(file, cmd, arg);
571 unlock_kernel();
572 return ret;
573 }
574
575 static int mptctl_do_reset(unsigned long arg)
576 {
577 struct mpt_ioctl_diag_reset __user *urinfo = (void __user *) arg;
578 struct mpt_ioctl_diag_reset krinfo;
579 MPT_ADAPTER *iocp;
580
581 dctlprintk((KERN_INFO "mptctl_do_reset called.\n"));
582
583 if (copy_from_user(&krinfo, urinfo, sizeof(struct mpt_ioctl_diag_reset))) {
584 printk(KERN_ERR "%s@%d::mptctl_do_reset - "
585 "Unable to copy mpt_ioctl_diag_reset struct @ %p\n",
586 __FILE__, __LINE__, urinfo);
587 return -EFAULT;
588 }
589
590 if (mpt_verify_adapter(krinfo.hdr.iocnum, &iocp) < 0) {
591 dctlprintk((KERN_ERR "%s@%d::mptctl_do_reset - ioc%d not found!\n",
592 __FILE__, __LINE__, krinfo.hdr.iocnum));
593 return -ENODEV; /* (-6) No such device or address */
594 }
595
596 if (mpt_HardResetHandler(iocp, CAN_SLEEP) != 0) {
597 printk (KERN_ERR "%s@%d::mptctl_do_reset - reset failed.\n",
598 __FILE__, __LINE__);
599 return -1;
600 }
601
602 return 0;
603 }
604
605 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
606 /*
607 * MPT FW download function. Cast the arg into the mpt_fw_xfer structure.
608 * This structure contains: iocnum, firmware length (bytes),
609 * pointer to user space memory where the fw image is stored.
610 *
611 * Outputs: None.
612 * Return: 0 if successful
613 * -EFAULT if data unavailable
614 * -ENXIO if no such device
615 * -EAGAIN if resource problem
616 * -ENOMEM if no memory for SGE
617 * -EMLINK if too many chain buffers required
618 * -EBADRQC if adapter does not support FW download
619 * -EBUSY if adapter is busy
620 * -ENOMSG if FW upload returned bad status
621 */
622 static int
623 mptctl_fw_download(unsigned long arg)
624 {
625 struct mpt_fw_xfer __user *ufwdl = (void __user *) arg;
626 struct mpt_fw_xfer kfwdl;
627
628 dctlprintk((KERN_INFO "mptctl_fwdl called. mptctl_id = %xh\n", mptctl_id)); //tc
629 if (copy_from_user(&kfwdl, ufwdl, sizeof(struct mpt_fw_xfer))) {
630 printk(KERN_ERR "%s@%d::_ioctl_fwdl - "
631 "Unable to copy mpt_fw_xfer struct @ %p\n",
632 __FILE__, __LINE__, ufwdl);
633 return -EFAULT;
634 }
635
636 return mptctl_do_fw_download(kfwdl.iocnum, kfwdl.bufp, kfwdl.fwlen);
637 }
638
639 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
640 /*
641 * FW Download engine.
642 * Outputs: None.
643 * Return: 0 if successful
644 * -EFAULT if data unavailable
645 * -ENXIO if no such device
646 * -EAGAIN if resource problem
647 * -ENOMEM if no memory for SGE
648 * -EMLINK if too many chain buffers required
649 * -EBADRQC if adapter does not support FW download
650 * -EBUSY if adapter is busy
651 * -ENOMSG if FW upload returned bad status
652 */
653 static int
654 mptctl_do_fw_download(int ioc, char __user *ufwbuf, size_t fwlen)
655 {
656 FWDownload_t *dlmsg;
657 MPT_FRAME_HDR *mf;
658 MPT_ADAPTER *iocp;
659 FWDownloadTCSGE_t *ptsge;
660 MptSge_t *sgl, *sgIn;
661 char *sgOut;
662 struct buflist *buflist;
663 struct buflist *bl;
664 dma_addr_t sgl_dma;
665 int ret;
666 int numfrags = 0;
667 int maxfrags;
668 int n = 0;
669 u32 sgdir;
670 u32 nib;
671 int fw_bytes_copied = 0;
672 int i;
673 int sge_offset = 0;
674 u16 iocstat;
675 pFWDownloadReply_t ReplyMsg = NULL;
676
677 dctlprintk((KERN_INFO "mptctl_do_fwdl called. mptctl_id = %xh.\n", mptctl_id));
678
679 dctlprintk((KERN_INFO "DbG: kfwdl.bufp = %p\n", ufwbuf));
680 dctlprintk((KERN_INFO "DbG: kfwdl.fwlen = %d\n", (int)fwlen));
681 dctlprintk((KERN_INFO "DbG: kfwdl.ioc = %04xh\n", ioc));
682
683 if ((ioc = mpt_verify_adapter(ioc, &iocp)) < 0) {
684 dctlprintk(("%s@%d::_ioctl_fwdl - ioc%d not found!\n",
685 __FILE__, __LINE__, ioc));
686 return -ENODEV; /* (-6) No such device or address */
687 }
688
689 /* Valid device. Get a message frame and construct the FW download message.
690 */
691 if ((mf = mpt_get_msg_frame(mptctl_id, iocp)) == NULL)
692 return -EAGAIN;
693 dlmsg = (FWDownload_t*) mf;
694 ptsge = (FWDownloadTCSGE_t *) &dlmsg->SGL;
695 sgOut = (char *) (ptsge + 1);
696
697 /*
698 * Construct f/w download request
699 */
700 dlmsg->ImageType = MPI_FW_DOWNLOAD_ITYPE_FW;
701 dlmsg->Reserved = 0;
702 dlmsg->ChainOffset = 0;
703 dlmsg->Function = MPI_FUNCTION_FW_DOWNLOAD;
704 dlmsg->Reserved1[0] = dlmsg->Reserved1[1] = dlmsg->Reserved1[2] = 0;
705 dlmsg->MsgFlags = 0;
706
707 /* Set up the Transaction SGE.
708 */
709 ptsge->Reserved = 0;
710 ptsge->ContextSize = 0;
711 ptsge->DetailsLength = 12;
712 ptsge->Flags = MPI_SGE_FLAGS_TRANSACTION_ELEMENT;
713 ptsge->Reserved_0100_Checksum = 0;
714 ptsge->ImageOffset = 0;
715 ptsge->ImageSize = cpu_to_le32(fwlen);
716
717 /* Add the SGL
718 */
719
720 /*
721 * Need to kmalloc area(s) for holding firmware image bytes.
722 * But we need to do it piece meal, using a proper
723 * scatter gather list (with 128kB MAX hunks).
724 *
725 * A practical limit here might be # of sg hunks that fit into
726 * a single IOC request frame; 12 or 8 (see below), so:
727 * For FC9xx: 12 x 128kB == 1.5 mB (max)
728 * For C1030: 8 x 128kB == 1 mB (max)
729 * We could support chaining, but things get ugly(ier:)
730 *
731 * Set the sge_offset to the start of the sgl (bytes).
732 */
733 sgdir = 0x04000000; /* IOC will READ from sys mem */
734 sge_offset = sizeof(MPIHeader_t) + sizeof(FWDownloadTCSGE_t);
735 if ((sgl = kbuf_alloc_2_sgl(fwlen, sgdir, sge_offset,
736 &numfrags, &buflist, &sgl_dma, iocp)) == NULL)
737 return -ENOMEM;
738
739 /*
740 * We should only need SGL with 2 simple_32bit entries (up to 256 kB)
741 * for FC9xx f/w image, but calculate max number of sge hunks
742 * we can fit into a request frame, and limit ourselves to that.
743 * (currently no chain support)
744 * maxfrags = (Request Size - FWdownload Size ) / Size of 32 bit SGE
745 * Request maxfrags
746 * 128 12
747 * 96 8
748 * 64 4
749 */
750 maxfrags = (iocp->req_sz - sizeof(MPIHeader_t) - sizeof(FWDownloadTCSGE_t))
751 / (sizeof(dma_addr_t) + sizeof(u32));
752 if (numfrags > maxfrags) {
753 ret = -EMLINK;
754 goto fwdl_out;
755 }
756
757 dctlprintk((KERN_INFO "DbG: sgl buffer = %p, sgfrags = %d\n", sgl, numfrags));
758
759 /*
760 * Parse SG list, copying sgl itself,
761 * plus f/w image hunks from user space as we go...
762 */
763 ret = -EFAULT;
764 sgIn = sgl;
765 bl = buflist;
766 for (i=0; i < numfrags; i++) {
767
768 /* Get the SGE type: 0 - TCSGE, 3 - Chain, 1 - Simple SGE
769 * Skip everything but Simple. If simple, copy from
770 * user space into kernel space.
771 * Note: we should not have anything but Simple as
772 * Chain SGE are illegal.
773 */
774 nib = (sgIn->FlagsLength & 0x30000000) >> 28;
775 if (nib == 0 || nib == 3) {
776 ;
777 } else if (sgIn->Address) {
778 mpt_add_sge(sgOut, sgIn->FlagsLength, sgIn->Address);
779 n++;
780 if (copy_from_user(bl->kptr, ufwbuf+fw_bytes_copied, bl->len)) {
781 printk(KERN_ERR "%s@%d::_ioctl_fwdl - "
782 "Unable to copy f/w buffer hunk#%d @ %p\n",
783 __FILE__, __LINE__, n, ufwbuf);
784 goto fwdl_out;
785 }
786 fw_bytes_copied += bl->len;
787 }
788 sgIn++;
789 bl++;
790 sgOut += (sizeof(dma_addr_t) + sizeof(u32));
791 }
792
793 #ifdef MPT_DEBUG
794 {
795 u32 *m = (u32 *)mf;
796 printk(KERN_INFO MYNAM ": F/W download request:\n" KERN_INFO " ");
797 for (i=0; i < 7+numfrags*2; i++)
798 printk(" %08x", le32_to_cpu(m[i]));
799 printk("\n");
800 }
801 #endif
802
803 /*
804 * Finally, perform firmware download.
805 */
806 iocp->ioctl->wait_done = 0;
807 mpt_put_msg_frame(mptctl_id, iocp, mf);
808
809 /* Now wait for the command to complete */
810 ret = wait_event_interruptible_timeout(mptctl_wait,
811 iocp->ioctl->wait_done == 1,
812 HZ*60);
813
814 if(ret <=0 && (iocp->ioctl->wait_done != 1 )) {
815 /* Now we need to reset the board */
816 mptctl_timeout_expired(iocp->ioctl);
817 ret = -ENODATA;
818 goto fwdl_out;
819 }
820
821 if (sgl)
822 kfree_sgl(sgl, sgl_dma, buflist, iocp);
823
824 ReplyMsg = (pFWDownloadReply_t)iocp->ioctl->ReplyFrame;
825 iocstat = le16_to_cpu(ReplyMsg->IOCStatus) & MPI_IOCSTATUS_MASK;
826 if (iocstat == MPI_IOCSTATUS_SUCCESS) {
827 printk(KERN_INFO MYNAM ": F/W update successfully sent to %s!\n", iocp->name);
828 return 0;
829 } else if (iocstat == MPI_IOCSTATUS_INVALID_FUNCTION) {
830 printk(KERN_WARNING MYNAM ": ?Hmmm... %s says it doesn't support F/W download!?!\n",
831 iocp->name);
832 printk(KERN_WARNING MYNAM ": (time to go bang on somebodies door)\n");
833 return -EBADRQC;
834 } else if (iocstat == MPI_IOCSTATUS_BUSY) {
835 printk(KERN_WARNING MYNAM ": Warning! %s says: IOC_BUSY!\n", iocp->name);
836 printk(KERN_WARNING MYNAM ": (try again later?)\n");
837 return -EBUSY;
838 } else {
839 printk(KERN_WARNING MYNAM "::ioctl_fwdl() ERROR! %s returned [bad] status = %04xh\n",
840 iocp->name, iocstat);
841 printk(KERN_WARNING MYNAM ": (bad VooDoo)\n");
842 return -ENOMSG;
843 }
844 return 0;
845
846 fwdl_out:
847 kfree_sgl(sgl, sgl_dma, buflist, iocp);
848 return ret;
849 }
850
851 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
852 /*
853 * SGE Allocation routine
854 *
855 * Inputs: bytes - number of bytes to be transferred
856 * sgdir - data direction
857 * sge_offset - offset (in bytes) from the start of the request
858 * frame to the first SGE
859 * ioc - pointer to the mptadapter
860 * Outputs: frags - number of scatter gather elements
861 * blp - point to the buflist pointer
862 * sglbuf_dma - pointer to the (dma) sgl
863 * Returns: Null if failes
864 * pointer to the (virtual) sgl if successful.
865 */
866 static MptSge_t *
867 kbuf_alloc_2_sgl(int bytes, u32 sgdir, int sge_offset, int *frags,
868 struct buflist **blp, dma_addr_t *sglbuf_dma, MPT_ADAPTER *ioc)
869 {
870 MptSge_t *sglbuf = NULL; /* pointer to array of SGE */
871 /* and chain buffers */
872 struct buflist *buflist = NULL; /* kernel routine */
873 MptSge_t *sgl;
874 int numfrags = 0;
875 int fragcnt = 0;
876 int alloc_sz = min(bytes,MAX_KMALLOC_SZ); // avoid kernel warning msg!
877 int bytes_allocd = 0;
878 int this_alloc;
879 dma_addr_t pa; // phys addr
880 int i, buflist_ent;
881 int sg_spill = MAX_FRAGS_SPILL1;
882 int dir;
883 /* initialization */
884 *frags = 0;
885 *blp = NULL;
886
887 /* Allocate and initialize an array of kernel
888 * structures for the SG elements.
889 */
890 i = MAX_SGL_BYTES / 8;
891 buflist = kmalloc(i, GFP_USER);
892 if (buflist == NULL)
893 return NULL;
894 memset(buflist, 0, i);
895 buflist_ent = 0;
896
897 /* Allocate a single block of memory to store the sg elements and
898 * the chain buffers. The calling routine is responsible for
899 * copying the data in this array into the correct place in the
900 * request and chain buffers.
901 */
902 sglbuf = pci_alloc_consistent(ioc->pcidev, MAX_SGL_BYTES, sglbuf_dma);
903 if (sglbuf == NULL)
904 goto free_and_fail;
905
906 if (sgdir & 0x04000000)
907 dir = PCI_DMA_TODEVICE;
908 else
909 dir = PCI_DMA_FROMDEVICE;
910
911 /* At start:
912 * sgl = sglbuf = point to beginning of sg buffer
913 * buflist_ent = 0 = first kernel structure
914 * sg_spill = number of SGE that can be written before the first
915 * chain element.
916 *
917 */
918 sgl = sglbuf;
919 sg_spill = ((ioc->req_sz - sge_offset)/(sizeof(dma_addr_t) + sizeof(u32))) - 1;
920 while (bytes_allocd < bytes) {
921 this_alloc = min(alloc_sz, bytes-bytes_allocd);
922 buflist[buflist_ent].len = this_alloc;
923 buflist[buflist_ent].kptr = pci_alloc_consistent(ioc->pcidev,
924 this_alloc,
925 &pa);
926 if (buflist[buflist_ent].kptr == NULL) {
927 alloc_sz = alloc_sz / 2;
928 if (alloc_sz == 0) {
929 printk(KERN_WARNING MYNAM "-SG: No can do - "
930 "not enough memory! :-(\n");
931 printk(KERN_WARNING MYNAM "-SG: (freeing %d frags)\n",
932 numfrags);
933 goto free_and_fail;
934 }
935 continue;
936 } else {
937 dma_addr_t dma_addr;
938
939 bytes_allocd += this_alloc;
940 sgl->FlagsLength = (0x10000000|MPT_SGE_FLAGS_ADDRESSING|sgdir|this_alloc);
941 dma_addr = pci_map_single(ioc->pcidev, buflist[buflist_ent].kptr, this_alloc, dir);
942 sgl->Address = dma_addr;
943
944 fragcnt++;
945 numfrags++;
946 sgl++;
947 buflist_ent++;
948 }
949
950 if (bytes_allocd >= bytes)
951 break;
952
953 /* Need to chain? */
954 if (fragcnt == sg_spill) {
955 printk(KERN_WARNING MYNAM "-SG: No can do - " "Chain required! :-(\n");
956 printk(KERN_WARNING MYNAM "(freeing %d frags)\n", numfrags);
957 goto free_and_fail;
958 }
959
960 /* overflow check... */
961 if (numfrags*8 > MAX_SGL_BYTES){
962 /* GRRRRR... */
963 printk(KERN_WARNING MYNAM "-SG: No can do - "
964 "too many SG frags! :-(\n");
965 printk(KERN_WARNING MYNAM "-SG: (freeing %d frags)\n",
966 numfrags);
967 goto free_and_fail;
968 }
969 }
970
971 /* Last sge fixup: set LE+eol+eob bits */
972 sgl[-1].FlagsLength |= 0xC1000000;
973
974 *frags = numfrags;
975 *blp = buflist;
976
977 dctlprintk((KERN_INFO MYNAM "-SG: kbuf_alloc_2_sgl() - "
978 "%d SG frags generated!\n",
979 numfrags));
980
981 dctlprintk((KERN_INFO MYNAM "-SG: kbuf_alloc_2_sgl() - "
982 "last (big) alloc_sz=%d\n",
983 alloc_sz));
984
985 return sglbuf;
986
987 free_and_fail:
988 if (sglbuf != NULL) {
989 int i;
990
991 for (i = 0; i < numfrags; i++) {
992 dma_addr_t dma_addr;
993 u8 *kptr;
994 int len;
995
996 if ((sglbuf[i].FlagsLength >> 24) == 0x30)
997 continue;
998
999 dma_addr = sglbuf[i].Address;
1000 kptr = buflist[i].kptr;
1001 len = buflist[i].len;
1002
1003 pci_free_consistent(ioc->pcidev, len, kptr, dma_addr);
1004 }
1005 pci_free_consistent(ioc->pcidev, MAX_SGL_BYTES, sglbuf, *sglbuf_dma);
1006 }
1007 kfree(buflist);
1008 return NULL;
1009 }
1010
1011 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1012 /*
1013 * Routine to free the SGL elements.
1014 */
1015 static void
1016 kfree_sgl(MptSge_t *sgl, dma_addr_t sgl_dma, struct buflist *buflist, MPT_ADAPTER *ioc)
1017 {
1018 MptSge_t *sg = sgl;
1019 struct buflist *bl = buflist;
1020 u32 nib;
1021 int dir;
1022 int n = 0;
1023
1024 if (sg->FlagsLength & 0x04000000)
1025 dir = PCI_DMA_TODEVICE;
1026 else
1027 dir = PCI_DMA_FROMDEVICE;
1028
1029 nib = (sg->FlagsLength & 0xF0000000) >> 28;
1030 while (! (nib & 0x4)) { /* eob */
1031 /* skip ignore/chain. */
1032 if (nib == 0 || nib == 3) {
1033 ;
1034 } else if (sg->Address) {
1035 dma_addr_t dma_addr;
1036 void *kptr;
1037 int len;
1038
1039 dma_addr = sg->Address;
1040 kptr = bl->kptr;
1041 len = bl->len;
1042 pci_unmap_single(ioc->pcidev, dma_addr, len, dir);
1043 pci_free_consistent(ioc->pcidev, len, kptr, dma_addr);
1044 n++;
1045 }
1046 sg++;
1047 bl++;
1048 nib = (le32_to_cpu(sg->FlagsLength) & 0xF0000000) >> 28;
1049 }
1050
1051 /* we're at eob! */
1052 if (sg->Address) {
1053 dma_addr_t dma_addr;
1054 void *kptr;
1055 int len;
1056
1057 dma_addr = sg->Address;
1058 kptr = bl->kptr;
1059 len = bl->len;
1060 pci_unmap_single(ioc->pcidev, dma_addr, len, dir);
1061 pci_free_consistent(ioc->pcidev, len, kptr, dma_addr);
1062 n++;
1063 }
1064
1065 pci_free_consistent(ioc->pcidev, MAX_SGL_BYTES, sgl, sgl_dma);
1066 kfree(buflist);
1067 dctlprintk((KERN_INFO MYNAM "-SG: Free'd 1 SGL buf + %d kbufs!\n", n));
1068 }
1069
1070 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1071 /*
1072 * mptctl_getiocinfo - Query the host adapter for IOC information.
1073 * @arg: User space argument
1074 *
1075 * Outputs: None.
1076 * Return: 0 if successful
1077 * -EFAULT if data unavailable
1078 * -ENODEV if no such device/adapter
1079 */
1080 static int
1081 mptctl_getiocinfo (unsigned long arg, unsigned int data_size)
1082 {
1083 struct mpt_ioctl_iocinfo __user *uarg = (void __user *) arg;
1084 struct mpt_ioctl_iocinfo *karg;
1085 MPT_ADAPTER *ioc;
1086 struct pci_dev *pdev;
1087 struct Scsi_Host *sh;
1088 MPT_SCSI_HOST *hd;
1089 int iocnum;
1090 int numDevices = 0;
1091 unsigned int max_id;
1092 int ii;
1093 unsigned int port;
1094 int cim_rev;
1095 u8 revision;
1096
1097 dctlprintk((": mptctl_getiocinfo called.\n"));
1098 /* Add of PCI INFO results in unaligned access for
1099 * IA64 and Sparc. Reset long to int. Return no PCI
1100 * data for obsolete format.
1101 */
1102 if (data_size == sizeof(struct mpt_ioctl_iocinfo_rev0))
1103 cim_rev = 0;
1104 else if (data_size == sizeof(struct mpt_ioctl_iocinfo_rev1))
1105 cim_rev = 1;
1106 else if (data_size == sizeof(struct mpt_ioctl_iocinfo))
1107 cim_rev = 2;
1108 else if (data_size == (sizeof(struct mpt_ioctl_iocinfo_rev0)+12))
1109 cim_rev = 0; /* obsolete */
1110 else
1111 return -EFAULT;
1112
1113 karg = kmalloc(data_size, GFP_KERNEL);
1114 if (karg == NULL) {
1115 printk(KERN_ERR "%s::mpt_ioctl_iocinfo() @%d - no memory available!\n",
1116 __FILE__, __LINE__);
1117 return -ENOMEM;
1118 }
1119
1120 if (copy_from_user(karg, uarg, data_size)) {
1121 printk(KERN_ERR "%s@%d::mptctl_getiocinfo - "
1122 "Unable to read in mpt_ioctl_iocinfo struct @ %p\n",
1123 __FILE__, __LINE__, uarg);
1124 kfree(karg);
1125 return -EFAULT;
1126 }
1127
1128 if (((iocnum = mpt_verify_adapter(karg->hdr.iocnum, &ioc)) < 0) ||
1129 (ioc == NULL)) {
1130 dctlprintk((KERN_ERR "%s::mptctl_getiocinfo() @%d - ioc%d not found!\n",
1131 __FILE__, __LINE__, iocnum));
1132 kfree(karg);
1133 return -ENODEV;
1134 }
1135
1136 /* Verify the data transfer size is correct. */
1137 if (karg->hdr.maxDataSize != data_size) {
1138 printk(KERN_ERR "%s@%d::mptctl_getiocinfo - "
1139 "Structure size mismatch. Command not completed.\n",
1140 __FILE__, __LINE__);
1141 kfree(karg);
1142 return -EFAULT;
1143 }
1144
1145 /* Fill in the data and return the structure to the calling
1146 * program
1147 */
1148 if (ioc->bus_type == FC)
1149 karg->adapterType = MPT_IOCTL_INTERFACE_FC;
1150 else
1151 karg->adapterType = MPT_IOCTL_INTERFACE_SCSI;
1152
1153 if (karg->hdr.port > 1)
1154 return -EINVAL;
1155 port = karg->hdr.port;
1156
1157 karg->port = port;
1158 pdev = (struct pci_dev *) ioc->pcidev;
1159
1160 karg->pciId = pdev->device;
1161 pci_read_config_byte(pdev, PCI_CLASS_REVISION, &revision);
1162 karg->hwRev = revision;
1163 karg->subSystemDevice = pdev->subsystem_device;
1164 karg->subSystemVendor = pdev->subsystem_vendor;
1165
1166 if (cim_rev == 1) {
1167 /* Get the PCI bus, device, and function numbers for the IOC
1168 */
1169 karg->pciInfo.u.bits.busNumber = pdev->bus->number;
1170 karg->pciInfo.u.bits.deviceNumber = PCI_SLOT( pdev->devfn );
1171 karg->pciInfo.u.bits.functionNumber = PCI_FUNC( pdev->devfn );
1172 } else if (cim_rev == 2) {
1173 /* Get the PCI bus, device, function and segment ID numbers
1174 for the IOC */
1175 karg->pciInfo.u.bits.busNumber = pdev->bus->number;
1176 karg->pciInfo.u.bits.deviceNumber = PCI_SLOT( pdev->devfn );
1177 karg->pciInfo.u.bits.functionNumber = PCI_FUNC( pdev->devfn );
1178 karg->pciInfo.u.bits.functionNumber = PCI_FUNC( pdev->devfn );
1179 karg->pciInfo.segmentID = pci_domain_nr(pdev->bus);
1180 }
1181
1182 /* Get number of devices
1183 */
1184 if ((sh = ioc->sh) != NULL) {
1185 /* sh->max_id = maximum target ID + 1
1186 */
1187 max_id = sh->max_id - 1;
1188 hd = (MPT_SCSI_HOST *) sh->hostdata;
1189
1190 /* Check all of the target structures and
1191 * keep a counter.
1192 */
1193 if (hd && hd->Targets) {
1194 for (ii = 0; ii <= max_id; ii++) {
1195 if (hd->Targets[ii])
1196 numDevices++;
1197 }
1198 }
1199 }
1200 karg->numDevices = numDevices;
1201
1202 /* Set the BIOS and FW Version
1203 */
1204 karg->FWVersion = ioc->facts.FWVersion.Word;
1205 karg->BIOSVersion = ioc->biosVersion;
1206
1207 /* Set the Version Strings.
1208 */
1209 strncpy (karg->driverVersion, MPT_LINUX_PACKAGE_NAME, MPT_IOCTL_VERSION_LENGTH);
1210 karg->driverVersion[MPT_IOCTL_VERSION_LENGTH-1]='\0';
1211
1212 karg->busChangeEvent = 0;
1213 karg->hostId = ioc->pfacts[port].PortSCSIID;
1214 karg->rsvd[0] = karg->rsvd[1] = 0;
1215
1216 /* Copy the data from kernel memory to user memory
1217 */
1218 if (copy_to_user((char __user *)arg, karg, data_size)) {
1219 printk(KERN_ERR "%s@%d::mptctl_getiocinfo - "
1220 "Unable to write out mpt_ioctl_iocinfo struct @ %p\n",
1221 __FILE__, __LINE__, uarg);
1222 kfree(karg);
1223 return -EFAULT;
1224 }
1225
1226 kfree(karg);
1227 return 0;
1228 }
1229
1230 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1231 /*
1232 * mptctl_gettargetinfo - Query the host adapter for target information.
1233 * @arg: User space argument
1234 *
1235 * Outputs: None.
1236 * Return: 0 if successful
1237 * -EFAULT if data unavailable
1238 * -ENODEV if no such device/adapter
1239 */
1240 static int
1241 mptctl_gettargetinfo (unsigned long arg)
1242 {
1243 struct mpt_ioctl_targetinfo __user *uarg = (void __user *) arg;
1244 struct mpt_ioctl_targetinfo karg;
1245 MPT_ADAPTER *ioc;
1246 struct Scsi_Host *sh;
1247 MPT_SCSI_HOST *hd;
1248 VirtTarget *vdev;
1249 char *pmem;
1250 int *pdata;
1251 IOCPage2_t *pIoc2;
1252 IOCPage3_t *pIoc3;
1253 int iocnum;
1254 int numDevices = 0;
1255 unsigned int max_id;
1256 int id, jj, indexed_lun, lun_index;
1257 u32 lun;
1258 int maxWordsLeft;
1259 int numBytes;
1260 u8 port, devType, bus_id;
1261
1262 dctlprintk(("mptctl_gettargetinfo called.\n"));
1263 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_targetinfo))) {
1264 printk(KERN_ERR "%s@%d::mptctl_gettargetinfo - "
1265 "Unable to read in mpt_ioctl_targetinfo struct @ %p\n",
1266 __FILE__, __LINE__, uarg);
1267 return -EFAULT;
1268 }
1269
1270 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
1271 (ioc == NULL)) {
1272 dctlprintk((KERN_ERR "%s::mptctl_gettargetinfo() @%d - ioc%d not found!\n",
1273 __FILE__, __LINE__, iocnum));
1274 return -ENODEV;
1275 }
1276
1277 /* Get the port number and set the maximum number of bytes
1278 * in the returned structure.
1279 * Ignore the port setting.
1280 */
1281 numBytes = karg.hdr.maxDataSize - sizeof(mpt_ioctl_header);
1282 maxWordsLeft = numBytes/sizeof(int);
1283 port = karg.hdr.port;
1284
1285 if (maxWordsLeft <= 0) {
1286 printk(KERN_ERR "%s::mptctl_gettargetinfo() @%d - no memory available!\n",
1287 __FILE__, __LINE__);
1288 return -ENOMEM;
1289 }
1290
1291 /* Fill in the data and return the structure to the calling
1292 * program
1293 */
1294
1295 /* struct mpt_ioctl_targetinfo does not contain sufficient space
1296 * for the target structures so when the IOCTL is called, there is
1297 * not sufficient stack space for the structure. Allocate memory,
1298 * populate the memory, copy back to the user, then free memory.
1299 * targetInfo format:
1300 * bits 31-24: reserved
1301 * 23-16: LUN
1302 * 15- 8: Bus Number
1303 * 7- 0: Target ID
1304 */
1305 pmem = kmalloc(numBytes, GFP_KERNEL);
1306 if (pmem == NULL) {
1307 printk(KERN_ERR "%s::mptctl_gettargetinfo() @%d - no memory available!\n",
1308 __FILE__, __LINE__);
1309 return -ENOMEM;
1310 }
1311 memset(pmem, 0, numBytes);
1312 pdata = (int *) pmem;
1313
1314 /* Get number of devices
1315 */
1316 if ((sh = ioc->sh) != NULL) {
1317
1318 max_id = sh->max_id - 1;
1319 hd = (MPT_SCSI_HOST *) sh->hostdata;
1320
1321 /* Check all of the target structures.
1322 * Save the Id and increment the counter,
1323 * if ptr non-null.
1324 * sh->max_id = maximum target ID + 1
1325 */
1326 if (hd && hd->Targets) {
1327 mpt_findImVolumes(ioc);
1328 pIoc2 = ioc->raid_data.pIocPg2;
1329 for ( id = 0; id <= max_id; ) {
1330 if ( pIoc2 && pIoc2->NumActiveVolumes ) {
1331 if ( id == pIoc2->RaidVolume[0].VolumeID ) {
1332 if (maxWordsLeft <= 0) {
1333 printk(KERN_ERR "mptctl_gettargetinfo - "
1334 "buffer is full but volume is available on ioc %d\n, numDevices=%d", iocnum, numDevices);
1335 goto data_space_full;
1336 }
1337 if ( ( pIoc2->RaidVolume[0].Flags & MPI_IOCPAGE2_FLAG_VOLUME_INACTIVE ) == 0 )
1338 devType = 0x80;
1339 else
1340 devType = 0xC0;
1341 bus_id = pIoc2->RaidVolume[0].VolumeBus;
1342 numDevices++;
1343 *pdata = ( (devType << 24) | (bus_id << 8) | id );
1344 dctlprintk((KERN_ERR "mptctl_gettargetinfo - "
1345 "volume ioc=%d target=%x numDevices=%d pdata=%p\n", iocnum, *pdata, numDevices, pdata));
1346 pdata++;
1347 --maxWordsLeft;
1348 goto next_id;
1349 } else {
1350 pIoc3 = ioc->raid_data.pIocPg3;
1351 for ( jj = 0; jj < pIoc3->NumPhysDisks; jj++ ) {
1352 if ( pIoc3->PhysDisk[jj].PhysDiskID == id )
1353 goto next_id;
1354 }
1355 }
1356 }
1357 if ( (vdev = hd->Targets[id]) ) {
1358 for (jj = 0; jj <= MPT_LAST_LUN; jj++) {
1359 lun_index = (jj >> 5);
1360 indexed_lun = (jj % 32);
1361 lun = (1 << indexed_lun);
1362 if (vdev->luns[lun_index] & lun) {
1363 if (maxWordsLeft <= 0) {
1364 printk(KERN_ERR "mptctl_gettargetinfo - "
1365 "buffer is full but more targets are available on ioc %d numDevices=%d\n", iocnum, numDevices);
1366 goto data_space_full;
1367 }
1368 bus_id = vdev->bus_id;
1369 numDevices++;
1370 *pdata = ( (jj << 16) | (bus_id << 8) | id );
1371 dctlprintk((KERN_ERR "mptctl_gettargetinfo - "
1372 "target ioc=%d target=%x numDevices=%d pdata=%p\n", iocnum, *pdata, numDevices, pdata));
1373 pdata++;
1374 --maxWordsLeft;
1375 }
1376 }
1377 }
1378 next_id:
1379 id++;
1380 }
1381 }
1382 }
1383 data_space_full:
1384 karg.numDevices = numDevices;
1385
1386 /* Copy part of the data from kernel memory to user memory
1387 */
1388 if (copy_to_user((char __user *)arg, &karg,
1389 sizeof(struct mpt_ioctl_targetinfo))) {
1390 printk(KERN_ERR "%s@%d::mptctl_gettargetinfo - "
1391 "Unable to write out mpt_ioctl_targetinfo struct @ %p\n",
1392 __FILE__, __LINE__, uarg);
1393 kfree(pmem);
1394 return -EFAULT;
1395 }
1396
1397 /* Copy the remaining data from kernel memory to user memory
1398 */
1399 if (copy_to_user(uarg->targetInfo, pmem, numBytes)) {
1400 printk(KERN_ERR "%s@%d::mptctl_gettargetinfo - "
1401 "Unable to write out mpt_ioctl_targetinfo struct @ %p\n",
1402 __FILE__, __LINE__, pdata);
1403 kfree(pmem);
1404 return -EFAULT;
1405 }
1406
1407 kfree(pmem);
1408
1409 return 0;
1410 }
1411
1412 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1413 /* MPT IOCTL Test function.
1414 *
1415 * Outputs: None.
1416 * Return: 0 if successful
1417 * -EFAULT if data unavailable
1418 * -ENODEV if no such device/adapter
1419 */
1420 static int
1421 mptctl_readtest (unsigned long arg)
1422 {
1423 struct mpt_ioctl_test __user *uarg = (void __user *) arg;
1424 struct mpt_ioctl_test karg;
1425 MPT_ADAPTER *ioc;
1426 int iocnum;
1427
1428 dctlprintk(("mptctl_readtest called.\n"));
1429 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_test))) {
1430 printk(KERN_ERR "%s@%d::mptctl_readtest - "
1431 "Unable to read in mpt_ioctl_test struct @ %p\n",
1432 __FILE__, __LINE__, uarg);
1433 return -EFAULT;
1434 }
1435
1436 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
1437 (ioc == NULL)) {
1438 dctlprintk((KERN_ERR "%s::mptctl_readtest() @%d - ioc%d not found!\n",
1439 __FILE__, __LINE__, iocnum));
1440 return -ENODEV;
1441 }
1442
1443 /* Fill in the data and return the structure to the calling
1444 * program
1445 */
1446
1447 #ifdef MFCNT
1448 karg.chip_type = ioc->mfcnt;
1449 #else
1450 karg.chip_type = ioc->pcidev->device;
1451 #endif
1452 strncpy (karg.name, ioc->name, MPT_MAX_NAME);
1453 karg.name[MPT_MAX_NAME-1]='\0';
1454 strncpy (karg.product, ioc->prod_name, MPT_PRODUCT_LENGTH);
1455 karg.product[MPT_PRODUCT_LENGTH-1]='\0';
1456
1457 /* Copy the data from kernel memory to user memory
1458 */
1459 if (copy_to_user((char __user *)arg, &karg, sizeof(struct mpt_ioctl_test))) {
1460 printk(KERN_ERR "%s@%d::mptctl_readtest - "
1461 "Unable to write out mpt_ioctl_test struct @ %p\n",
1462 __FILE__, __LINE__, uarg);
1463 return -EFAULT;
1464 }
1465
1466 return 0;
1467 }
1468
1469 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1470 /*
1471 * mptctl_eventquery - Query the host adapter for the event types
1472 * that are being logged.
1473 * @arg: User space argument
1474 *
1475 * Outputs: None.
1476 * Return: 0 if successful
1477 * -EFAULT if data unavailable
1478 * -ENODEV if no such device/adapter
1479 */
1480 static int
1481 mptctl_eventquery (unsigned long arg)
1482 {
1483 struct mpt_ioctl_eventquery __user *uarg = (void __user *) arg;
1484 struct mpt_ioctl_eventquery karg;
1485 MPT_ADAPTER *ioc;
1486 int iocnum;
1487
1488 dctlprintk(("mptctl_eventquery called.\n"));
1489 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventquery))) {
1490 printk(KERN_ERR "%s@%d::mptctl_eventquery - "
1491 "Unable to read in mpt_ioctl_eventquery struct @ %p\n",
1492 __FILE__, __LINE__, uarg);
1493 return -EFAULT;
1494 }
1495
1496 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
1497 (ioc == NULL)) {
1498 dctlprintk((KERN_ERR "%s::mptctl_eventquery() @%d - ioc%d not found!\n",
1499 __FILE__, __LINE__, iocnum));
1500 return -ENODEV;
1501 }
1502
1503 karg.eventEntries = ioc->eventLogSize;
1504 karg.eventTypes = ioc->eventTypes;
1505
1506 /* Copy the data from kernel memory to user memory
1507 */
1508 if (copy_to_user((char __user *)arg, &karg, sizeof(struct mpt_ioctl_eventquery))) {
1509 printk(KERN_ERR "%s@%d::mptctl_eventquery - "
1510 "Unable to write out mpt_ioctl_eventquery struct @ %p\n",
1511 __FILE__, __LINE__, uarg);
1512 return -EFAULT;
1513 }
1514 return 0;
1515 }
1516
1517 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1518 static int
1519 mptctl_eventenable (unsigned long arg)
1520 {
1521 struct mpt_ioctl_eventenable __user *uarg = (void __user *) arg;
1522 struct mpt_ioctl_eventenable karg;
1523 MPT_ADAPTER *ioc;
1524 int iocnum;
1525
1526 dctlprintk(("mptctl_eventenable called.\n"));
1527 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventenable))) {
1528 printk(KERN_ERR "%s@%d::mptctl_eventenable - "
1529 "Unable to read in mpt_ioctl_eventenable struct @ %p\n",
1530 __FILE__, __LINE__, uarg);
1531 return -EFAULT;
1532 }
1533
1534 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
1535 (ioc == NULL)) {
1536 dctlprintk((KERN_ERR "%s::mptctl_eventenable() @%d - ioc%d not found!\n",
1537 __FILE__, __LINE__, iocnum));
1538 return -ENODEV;
1539 }
1540
1541 if (ioc->events == NULL) {
1542 /* Have not yet allocated memory - do so now.
1543 */
1544 int sz = MPTCTL_EVENT_LOG_SIZE * sizeof(MPT_IOCTL_EVENTS);
1545 ioc->events = kmalloc(sz, GFP_KERNEL);
1546 if (ioc->events == NULL) {
1547 printk(KERN_ERR MYNAM ": ERROR - Insufficient memory to add adapter!\n");
1548 return -ENOMEM;
1549 }
1550 memset(ioc->events, 0, sz);
1551 ioc->alloc_total += sz;
1552
1553 ioc->eventLogSize = MPTCTL_EVENT_LOG_SIZE;
1554 ioc->eventContext = 0;
1555 }
1556
1557 /* Update the IOC event logging flag.
1558 */
1559 ioc->eventTypes = karg.eventTypes;
1560
1561 return 0;
1562 }
1563
1564 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1565 static int
1566 mptctl_eventreport (unsigned long arg)
1567 {
1568 struct mpt_ioctl_eventreport __user *uarg = (void __user *) arg;
1569 struct mpt_ioctl_eventreport karg;
1570 MPT_ADAPTER *ioc;
1571 int iocnum;
1572 int numBytes, maxEvents, max;
1573
1574 dctlprintk(("mptctl_eventreport called.\n"));
1575 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventreport))) {
1576 printk(KERN_ERR "%s@%d::mptctl_eventreport - "
1577 "Unable to read in mpt_ioctl_eventreport struct @ %p\n",
1578 __FILE__, __LINE__, uarg);
1579 return -EFAULT;
1580 }
1581
1582 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
1583 (ioc == NULL)) {
1584 dctlprintk((KERN_ERR "%s::mptctl_eventreport() @%d - ioc%d not found!\n",
1585 __FILE__, __LINE__, iocnum));
1586 return -ENODEV;
1587 }
1588
1589 numBytes = karg.hdr.maxDataSize - sizeof(mpt_ioctl_header);
1590 maxEvents = numBytes/sizeof(MPT_IOCTL_EVENTS);
1591
1592
1593 max = ioc->eventLogSize < maxEvents ? ioc->eventLogSize : maxEvents;
1594
1595 /* If fewer than 1 event is requested, there must have
1596 * been some type of error.
1597 */
1598 if ((max < 1) || !ioc->events)
1599 return -ENODATA;
1600
1601 /* Copy the data from kernel memory to user memory
1602 */
1603 numBytes = max * sizeof(MPT_IOCTL_EVENTS);
1604 if (copy_to_user(uarg->eventData, ioc->events, numBytes)) {
1605 printk(KERN_ERR "%s@%d::mptctl_eventreport - "
1606 "Unable to write out mpt_ioctl_eventreport struct @ %p\n",
1607 __FILE__, __LINE__, ioc->events);
1608 return -EFAULT;
1609 }
1610
1611 return 0;
1612 }
1613
1614 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1615 static int
1616 mptctl_replace_fw (unsigned long arg)
1617 {
1618 struct mpt_ioctl_replace_fw __user *uarg = (void __user *) arg;
1619 struct mpt_ioctl_replace_fw karg;
1620 MPT_ADAPTER *ioc;
1621 int iocnum;
1622 int newFwSize;
1623
1624 dctlprintk(("mptctl_replace_fw called.\n"));
1625 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_replace_fw))) {
1626 printk(KERN_ERR "%s@%d::mptctl_replace_fw - "
1627 "Unable to read in mpt_ioctl_replace_fw struct @ %p\n",
1628 __FILE__, __LINE__, uarg);
1629 return -EFAULT;
1630 }
1631
1632 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
1633 (ioc == NULL)) {
1634 dctlprintk((KERN_ERR "%s::mptctl_replace_fw() @%d - ioc%d not found!\n",
1635 __FILE__, __LINE__, iocnum));
1636 return -ENODEV;
1637 }
1638
1639 /* If caching FW, Free the old FW image
1640 */
1641 if (ioc->cached_fw == NULL)
1642 return 0;
1643
1644 mpt_free_fw_memory(ioc);
1645
1646 /* Allocate memory for the new FW image
1647 */
1648 newFwSize = karg.newImageSize;
1649
1650 if (newFwSize & 0x01)
1651 newFwSize += 1;
1652 if (newFwSize & 0x02)
1653 newFwSize += 2;
1654
1655 mpt_alloc_fw_memory(ioc, newFwSize);
1656 if (ioc->cached_fw == NULL)
1657 return -ENOMEM;
1658
1659 /* Copy the data from user memory to kernel space
1660 */
1661 if (copy_from_user(ioc->cached_fw, uarg->newImage, newFwSize)) {
1662 printk(KERN_ERR "%s@%d::mptctl_replace_fw - "
1663 "Unable to read in mpt_ioctl_replace_fw image "
1664 "@ %p\n", __FILE__, __LINE__, uarg);
1665 mpt_free_fw_memory(ioc);
1666 return -EFAULT;
1667 }
1668
1669 /* Update IOCFactsReply
1670 */
1671 ioc->facts.FWImageSize = newFwSize;
1672 return 0;
1673 }
1674
1675 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1676 /* MPT IOCTL MPTCOMMAND function.
1677 * Cast the arg into the mpt_ioctl_mpt_command structure.
1678 *
1679 * Outputs: None.
1680 * Return: 0 if successful
1681 * -EBUSY if previous command timout and IOC reset is not complete.
1682 * -EFAULT if data unavailable
1683 * -ENODEV if no such device/adapter
1684 * -ETIME if timer expires
1685 * -ENOMEM if memory allocation error
1686 */
1687 static int
1688 mptctl_mpt_command (unsigned long arg)
1689 {
1690 struct mpt_ioctl_command __user *uarg = (void __user *) arg;
1691 struct mpt_ioctl_command karg;
1692 MPT_ADAPTER *ioc;
1693 int iocnum;
1694 int rc;
1695
1696 dctlprintk(("mptctl_command called.\n"));
1697
1698 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_command))) {
1699 printk(KERN_ERR "%s@%d::mptctl_mpt_command - "
1700 "Unable to read in mpt_ioctl_command struct @ %p\n",
1701 __FILE__, __LINE__, uarg);
1702 return -EFAULT;
1703 }
1704
1705 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
1706 (ioc == NULL)) {
1707 dctlprintk((KERN_ERR "%s::mptctl_mpt_command() @%d - ioc%d not found!\n",
1708 __FILE__, __LINE__, iocnum));
1709 return -ENODEV;
1710 }
1711
1712 rc = mptctl_do_mpt_command (karg, &uarg->MF);
1713
1714 return rc;
1715 }
1716
1717 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1718 /* Worker routine for the IOCTL MPTCOMMAND and MPTCOMMAND32 (sparc) commands.
1719 *
1720 * Outputs: None.
1721 * Return: 0 if successful
1722 * -EBUSY if previous command timout and IOC reset is not complete.
1723 * -EFAULT if data unavailable
1724 * -ENODEV if no such device/adapter
1725 * -ETIME if timer expires
1726 * -ENOMEM if memory allocation error
1727 * -EPERM if SCSI I/O and target is untagged
1728 */
1729 static int
1730 mptctl_do_mpt_command (struct mpt_ioctl_command karg, void __user *mfPtr)
1731 {
1732 MPT_ADAPTER *ioc;
1733 MPT_FRAME_HDR *mf = NULL;
1734 MPIHeader_t *hdr;
1735 char *psge;
1736 struct buflist bufIn; /* data In buffer */
1737 struct buflist bufOut; /* data Out buffer */
1738 dma_addr_t dma_addr_in;
1739 dma_addr_t dma_addr_out;
1740 int sgSize = 0; /* Num SG elements */
1741 int iocnum, flagsLength;
1742 int sz, rc = 0;
1743 int msgContext;
1744 u16 req_idx;
1745 ulong timeout;
1746
1747 dctlprintk(("mptctl_do_mpt_command called.\n"));
1748 bufIn.kptr = bufOut.kptr = NULL;
1749
1750 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
1751 (ioc == NULL)) {
1752 dctlprintk((KERN_ERR "%s::mptctl_do_mpt_command() @%d - ioc%d not found!\n",
1753 __FILE__, __LINE__, iocnum));
1754 return -ENODEV;
1755 }
1756 if (!ioc->ioctl) {
1757 printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - "
1758 "No memory available during driver init.\n",
1759 __FILE__, __LINE__);
1760 return -ENOMEM;
1761 } else if (ioc->ioctl->status & MPT_IOCTL_STATUS_DID_IOCRESET) {
1762 printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - "
1763 "Busy with IOC Reset \n", __FILE__, __LINE__);
1764 return -EBUSY;
1765 }
1766
1767 /* Verify that the final request frame will not be too large.
1768 */
1769 sz = karg.dataSgeOffset * 4;
1770 if (karg.dataInSize > 0)
1771 sz += sizeof(dma_addr_t) + sizeof(u32);
1772 if (karg.dataOutSize > 0)
1773 sz += sizeof(dma_addr_t) + sizeof(u32);
1774
1775 if (sz > ioc->req_sz) {
1776 printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - "
1777 "Request frame too large (%d) maximum (%d)\n",
1778 __FILE__, __LINE__, sz, ioc->req_sz);
1779 return -EFAULT;
1780 }
1781
1782 /* Get a free request frame and save the message context.
1783 */
1784 if ((mf = mpt_get_msg_frame(mptctl_id, ioc)) == NULL)
1785 return -EAGAIN;
1786
1787 hdr = (MPIHeader_t *) mf;
1788 msgContext = le32_to_cpu(hdr->MsgContext);
1789 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1790
1791 /* Copy the request frame
1792 * Reset the saved message context.
1793 * Request frame in user space
1794 */
1795 if (copy_from_user(mf, mfPtr, karg.dataSgeOffset * 4)) {
1796 printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - "
1797 "Unable to read MF from mpt_ioctl_command struct @ %p\n",
1798 __FILE__, __LINE__, mfPtr);
1799 rc = -EFAULT;
1800 goto done_free_mem;
1801 }
1802 hdr->MsgContext = cpu_to_le32(msgContext);
1803
1804
1805 /* Verify that this request is allowed.
1806 */
1807 switch (hdr->Function) {
1808 case MPI_FUNCTION_IOC_FACTS:
1809 case MPI_FUNCTION_PORT_FACTS:
1810 karg.dataOutSize = karg.dataInSize = 0;
1811 break;
1812
1813 case MPI_FUNCTION_CONFIG:
1814 case MPI_FUNCTION_FC_COMMON_TRANSPORT_SEND:
1815 case MPI_FUNCTION_FC_EX_LINK_SRVC_SEND:
1816 case MPI_FUNCTION_FW_UPLOAD:
1817 case MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR:
1818 case MPI_FUNCTION_FW_DOWNLOAD:
1819 case MPI_FUNCTION_FC_PRIMITIVE_SEND:
1820 break;
1821
1822 case MPI_FUNCTION_SCSI_IO_REQUEST:
1823 if (ioc->sh) {
1824 SCSIIORequest_t *pScsiReq = (SCSIIORequest_t *) mf;
1825 VirtTarget *pTarget = NULL;
1826 MPT_SCSI_HOST *hd = NULL;
1827 int qtag = MPI_SCSIIO_CONTROL_UNTAGGED;
1828 int scsidir = 0;
1829 int target = (int) pScsiReq->TargetID;
1830 int dataSize;
1831
1832 if ((target < 0) || (target >= ioc->sh->max_id)) {
1833 printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - "
1834 "Target ID out of bounds. \n",
1835 __FILE__, __LINE__);
1836 rc = -ENODEV;
1837 goto done_free_mem;
1838 }
1839
1840 pScsiReq->MsgFlags = mpt_msg_flags();
1841
1842 /* verify that app has not requested
1843 * more sense data than driver
1844 * can provide, if so, reset this parameter
1845 * set the sense buffer pointer low address
1846 * update the control field to specify Q type
1847 */
1848 if (karg.maxSenseBytes > MPT_SENSE_BUFFER_SIZE)
1849 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1850 else
1851 pScsiReq->SenseBufferLength = karg.maxSenseBytes;
1852
1853 pScsiReq->SenseBufferLowAddr =
1854 cpu_to_le32(ioc->sense_buf_low_dma
1855 + (req_idx * MPT_SENSE_BUFFER_ALLOC));
1856
1857 if ((hd = (MPT_SCSI_HOST *) ioc->sh->hostdata)) {
1858 if (hd->Targets)
1859 pTarget = hd->Targets[target];
1860 }
1861
1862 if (pTarget &&(pTarget->tflags & MPT_TARGET_FLAGS_Q_YES))
1863 qtag = MPI_SCSIIO_CONTROL_SIMPLEQ;
1864
1865 /* Have the IOCTL driver set the direction based
1866 * on the dataOutSize (ordering issue with Sparc).
1867 */
1868 if (karg.dataOutSize > 0) {
1869 scsidir = MPI_SCSIIO_CONTROL_WRITE;
1870 dataSize = karg.dataOutSize;
1871 } else {
1872 scsidir = MPI_SCSIIO_CONTROL_READ;
1873 dataSize = karg.dataInSize;
1874 }
1875
1876 pScsiReq->Control = cpu_to_le32(scsidir | qtag);
1877 pScsiReq->DataLength = cpu_to_le32(dataSize);
1878
1879 ioc->ioctl->reset = MPTCTL_RESET_OK;
1880 ioc->ioctl->target = target;
1881
1882 } else {
1883 printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - "
1884 "SCSI driver is not loaded. \n",
1885 __FILE__, __LINE__);
1886 rc = -EFAULT;
1887 goto done_free_mem;
1888 }
1889 break;
1890
1891 case MPI_FUNCTION_RAID_ACTION:
1892 /* Just add a SGE
1893 */
1894 break;
1895
1896 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH:
1897 if (ioc->sh) {
1898 SCSIIORequest_t *pScsiReq = (SCSIIORequest_t *) mf;
1899 int qtag = MPI_SCSIIO_CONTROL_SIMPLEQ;
1900 int scsidir = MPI_SCSIIO_CONTROL_READ;
1901 int dataSize;
1902
1903 pScsiReq->MsgFlags = mpt_msg_flags();
1904
1905 /* verify that app has not requested
1906 * more sense data than driver
1907 * can provide, if so, reset this parameter
1908 * set the sense buffer pointer low address
1909 * update the control field to specify Q type
1910 */
1911 if (karg.maxSenseBytes > MPT_SENSE_BUFFER_SIZE)
1912 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1913 else
1914 pScsiReq->SenseBufferLength = karg.maxSenseBytes;
1915
1916 pScsiReq->SenseBufferLowAddr =
1917 cpu_to_le32(ioc->sense_buf_low_dma
1918 + (req_idx * MPT_SENSE_BUFFER_ALLOC));
1919
1920 /* All commands to physical devices are tagged
1921 */
1922
1923 /* Have the IOCTL driver set the direction based
1924 * on the dataOutSize (ordering issue with Sparc).
1925 */
1926 if (karg.dataOutSize > 0) {
1927 scsidir = MPI_SCSIIO_CONTROL_WRITE;
1928 dataSize = karg.dataOutSize;
1929 } else {
1930 scsidir = MPI_SCSIIO_CONTROL_READ;
1931 dataSize = karg.dataInSize;
1932 }
1933
1934 pScsiReq->Control = cpu_to_le32(scsidir | qtag);
1935 pScsiReq->DataLength = cpu_to_le32(dataSize);
1936
1937 ioc->ioctl->reset = MPTCTL_RESET_OK;
1938 ioc->ioctl->target = pScsiReq->TargetID;
1939 } else {
1940 printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - "
1941 "SCSI driver is not loaded. \n",
1942 __FILE__, __LINE__);
1943 rc = -EFAULT;
1944 goto done_free_mem;
1945 }
1946 break;
1947
1948 case MPI_FUNCTION_SCSI_TASK_MGMT:
1949 {
1950 MPT_SCSI_HOST *hd = NULL;
1951 if ((ioc->sh == NULL) || ((hd = (MPT_SCSI_HOST *)ioc->sh->hostdata) == NULL)) {
1952 printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - "
1953 "SCSI driver not loaded or SCSI host not found. \n",
1954 __FILE__, __LINE__);
1955 rc = -EFAULT;
1956 goto done_free_mem;
1957 } else if (mptctl_set_tm_flags(hd) != 0) {
1958 rc = -EPERM;
1959 goto done_free_mem;
1960 }
1961 }
1962 break;
1963
1964 case MPI_FUNCTION_IOC_INIT:
1965 {
1966 IOCInit_t *pInit = (IOCInit_t *) mf;
1967 u32 high_addr, sense_high;
1968
1969 /* Verify that all entries in the IOC INIT match
1970 * existing setup (and in LE format).
1971 */
1972 if (sizeof(dma_addr_t) == sizeof(u64)) {
1973 high_addr = cpu_to_le32((u32)((u64)ioc->req_frames_dma >> 32));
1974 sense_high= cpu_to_le32((u32)((u64)ioc->sense_buf_pool_dma >> 32));
1975 } else {
1976 high_addr = 0;
1977 sense_high= 0;
1978 }
1979
1980 if ((pInit->Flags != 0) || (pInit->MaxDevices != ioc->facts.MaxDevices) ||
1981 (pInit->MaxBuses != ioc->facts.MaxBuses) ||
1982 (pInit->ReplyFrameSize != cpu_to_le16(ioc->reply_sz)) ||
1983 (pInit->HostMfaHighAddr != high_addr) ||
1984 (pInit->SenseBufferHighAddr != sense_high)) {
1985 printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - "
1986 "IOC_INIT issued with 1 or more incorrect parameters. Rejected.\n",
1987 __FILE__, __LINE__);
1988 rc = -EFAULT;
1989 goto done_free_mem;
1990 }
1991 }
1992 break;
1993 default:
1994 /*
1995 * MPI_FUNCTION_PORT_ENABLE
1996 * MPI_FUNCTION_TARGET_CMD_BUFFER_POST
1997 * MPI_FUNCTION_TARGET_ASSIST
1998 * MPI_FUNCTION_TARGET_STATUS_SEND
1999 * MPI_FUNCTION_TARGET_MODE_ABORT
2000 * MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET
2001 * MPI_FUNCTION_IO_UNIT_RESET
2002 * MPI_FUNCTION_HANDSHAKE
2003 * MPI_FUNCTION_REPLY_FRAME_REMOVAL
2004 * MPI_FUNCTION_EVENT_NOTIFICATION
2005 * (driver handles event notification)
2006 * MPI_FUNCTION_EVENT_ACK
2007 */
2008
2009 /* What to do with these??? CHECK ME!!!
2010 MPI_FUNCTION_FC_LINK_SRVC_BUF_POST
2011 MPI_FUNCTION_FC_LINK_SRVC_RSP
2012 MPI_FUNCTION_FC_ABORT
2013 MPI_FUNCTION_LAN_SEND
2014 MPI_FUNCTION_LAN_RECEIVE
2015 MPI_FUNCTION_LAN_RESET
2016 */
2017
2018 printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - "
2019 "Illegal request (function 0x%x) \n",
2020 __FILE__, __LINE__, hdr->Function);
2021 rc = -EFAULT;
2022 goto done_free_mem;
2023 }
2024
2025 /* Add the SGL ( at most one data in SGE and one data out SGE )
2026 * In the case of two SGE's - the data out (write) will always
2027 * preceede the data in (read) SGE. psgList is used to free the
2028 * allocated memory.
2029 */
2030 psge = (char *) (((int *) mf) + karg.dataSgeOffset);
2031 flagsLength = 0;
2032
2033 /* bufIn and bufOut are used for user to kernel space transfers
2034 */
2035 bufIn.kptr = bufOut.kptr = NULL;
2036 bufIn.len = bufOut.len = 0;
2037
2038 if (karg.dataOutSize > 0)
2039 sgSize ++;
2040
2041 if (karg.dataInSize > 0)
2042 sgSize ++;
2043
2044 if (sgSize > 0) {
2045
2046 /* Set up the dataOut memory allocation */
2047 if (karg.dataOutSize > 0) {
2048 if (karg.dataInSize > 0) {
2049 flagsLength = ( MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2050 MPI_SGE_FLAGS_END_OF_BUFFER |
2051 MPI_SGE_FLAGS_DIRECTION |
2052 mpt_addr_size() )
2053 << MPI_SGE_FLAGS_SHIFT;
2054 } else {
2055 flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE;
2056 }
2057 flagsLength |= karg.dataOutSize;
2058 bufOut.len = karg.dataOutSize;
2059 bufOut.kptr = pci_alloc_consistent(
2060 ioc->pcidev, bufOut.len, &dma_addr_out);
2061
2062 if (bufOut.kptr == NULL) {
2063 rc = -ENOMEM;
2064 goto done_free_mem;
2065 } else {
2066 /* Set up this SGE.
2067 * Copy to MF and to sglbuf
2068 */
2069 mpt_add_sge(psge, flagsLength, dma_addr_out);
2070 psge += (sizeof(u32) + sizeof(dma_addr_t));
2071
2072 /* Copy user data to kernel space.
2073 */
2074 if (copy_from_user(bufOut.kptr,
2075 karg.dataOutBufPtr,
2076 bufOut.len)) {
2077 printk(KERN_ERR
2078 "%s@%d::mptctl_do_mpt_command - Unable "
2079 "to read user data "
2080 "struct @ %p\n",
2081 __FILE__, __LINE__,karg.dataOutBufPtr);
2082 rc = -EFAULT;
2083 goto done_free_mem;
2084 }
2085 }
2086 }
2087
2088 if (karg.dataInSize > 0) {
2089 flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ;
2090 flagsLength |= karg.dataInSize;
2091
2092 bufIn.len = karg.dataInSize;
2093 bufIn.kptr = pci_alloc_consistent(ioc->pcidev,
2094 bufIn.len, &dma_addr_in);
2095
2096 if (bufIn.kptr == NULL) {
2097 rc = -ENOMEM;
2098 goto done_free_mem;
2099 } else {
2100 /* Set up this SGE
2101 * Copy to MF and to sglbuf
2102 */
2103 mpt_add_sge(psge, flagsLength, dma_addr_in);
2104 }
2105 }
2106 } else {
2107 /* Add a NULL SGE
2108 */
2109 mpt_add_sge(psge, flagsLength, (dma_addr_t) -1);
2110 }
2111
2112 ioc->ioctl->wait_done = 0;
2113 if (hdr->Function == MPI_FUNCTION_SCSI_TASK_MGMT) {
2114
2115 DBG_DUMP_TM_REQUEST_FRAME((u32 *)mf);
2116
2117 if (mpt_send_handshake_request(mptctl_id, ioc,
2118 sizeof(SCSITaskMgmt_t), (u32*)mf,
2119 CAN_SLEEP) != 0) {
2120 dfailprintk((MYIOC_s_ERR_FMT "_send_handshake FAILED!"
2121 " (ioc %p, mf %p) \n", ioc->name,
2122 ioc, mf));
2123 mptctl_free_tm_flags(ioc);
2124 rc = -ENODATA;
2125 goto done_free_mem;
2126 }
2127
2128 } else
2129 mpt_put_msg_frame(mptctl_id, ioc, mf);
2130
2131 /* Now wait for the command to complete */
2132 timeout = (karg.timeout > 0) ? karg.timeout : MPT_IOCTL_DEFAULT_TIMEOUT;
2133 timeout = wait_event_interruptible_timeout(mptctl_wait,
2134 ioc->ioctl->wait_done == 1,
2135 HZ*timeout);
2136
2137 if(timeout <=0 && (ioc->ioctl->wait_done != 1 )) {
2138 /* Now we need to reset the board */
2139
2140 if (hdr->Function == MPI_FUNCTION_SCSI_TASK_MGMT)
2141 mptctl_free_tm_flags(ioc);
2142
2143 mptctl_timeout_expired(ioc->ioctl);
2144 rc = -ENODATA;
2145 goto done_free_mem;
2146 }
2147
2148 mf = NULL;
2149
2150 /* If a valid reply frame, copy to the user.
2151 * Offset 2: reply length in U32's
2152 */
2153 if (ioc->ioctl->status & MPT_IOCTL_STATUS_RF_VALID) {
2154 if (karg.maxReplyBytes < ioc->reply_sz) {
2155 sz = min(karg.maxReplyBytes, 4*ioc->ioctl->ReplyFrame[2]);
2156 } else {
2157 sz = min(ioc->reply_sz, 4*ioc->ioctl->ReplyFrame[2]);
2158 }
2159
2160 if (sz > 0) {
2161 if (copy_to_user(karg.replyFrameBufPtr,
2162 &ioc->ioctl->ReplyFrame, sz)){
2163 printk(KERN_ERR
2164 "%s@%d::mptctl_do_mpt_command - "
2165 "Unable to write out reply frame %p\n",
2166 __FILE__, __LINE__, karg.replyFrameBufPtr);
2167 rc = -ENODATA;
2168 goto done_free_mem;
2169 }
2170 }
2171 }
2172
2173 /* If valid sense data, copy to user.
2174 */
2175 if (ioc->ioctl->status & MPT_IOCTL_STATUS_SENSE_VALID) {
2176 sz = min(karg.maxSenseBytes, MPT_SENSE_BUFFER_SIZE);
2177 if (sz > 0) {
2178 if (copy_to_user(karg.senseDataPtr, ioc->ioctl->sense, sz)) {
2179 printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - "
2180 "Unable to write sense data to user %p\n",
2181 __FILE__, __LINE__,
2182 karg.senseDataPtr);
2183 rc = -ENODATA;
2184 goto done_free_mem;
2185 }
2186 }
2187 }
2188
2189 /* If the overall status is _GOOD and data in, copy data
2190 * to user.
2191 */
2192 if ((ioc->ioctl->status & MPT_IOCTL_STATUS_COMMAND_GOOD) &&
2193 (karg.dataInSize > 0) && (bufIn.kptr)) {
2194
2195 if (copy_to_user(karg.dataInBufPtr,
2196 bufIn.kptr, karg.dataInSize)) {
2197 printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - "
2198 "Unable to write data to user %p\n",
2199 __FILE__, __LINE__,
2200 karg.dataInBufPtr);
2201 rc = -ENODATA;
2202 }
2203 }
2204
2205 done_free_mem:
2206
2207 ioc->ioctl->status &= ~(MPT_IOCTL_STATUS_COMMAND_GOOD |
2208 MPT_IOCTL_STATUS_SENSE_VALID |
2209 MPT_IOCTL_STATUS_RF_VALID );
2210
2211 /* Free the allocated memory.
2212 */
2213 if (bufOut.kptr != NULL) {
2214 pci_free_consistent(ioc->pcidev,
2215 bufOut.len, (void *) bufOut.kptr, dma_addr_out);
2216 }
2217
2218 if (bufIn.kptr != NULL) {
2219 pci_free_consistent(ioc->pcidev,
2220 bufIn.len, (void *) bufIn.kptr, dma_addr_in);
2221 }
2222
2223 /* mf is null if command issued successfully
2224 * otherwise, failure occured after mf acquired.
2225 */
2226 if (mf)
2227 mpt_free_msg_frame(ioc, mf);
2228
2229 return rc;
2230 }
2231
2232 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2233 /* Prototype Routine for the HP HOST INFO command.
2234 *
2235 * Outputs: None.
2236 * Return: 0 if successful
2237 * -EFAULT if data unavailable
2238 * -EBUSY if previous command timout and IOC reset is not complete.
2239 * -ENODEV if no such device/adapter
2240 * -ETIME if timer expires
2241 * -ENOMEM if memory allocation error
2242 */
2243 static int
2244 mptctl_hp_hostinfo(unsigned long arg, unsigned int data_size)
2245 {
2246 hp_host_info_t __user *uarg = (void __user *) arg;
2247 MPT_ADAPTER *ioc;
2248 struct pci_dev *pdev;
2249 char *pbuf;
2250 dma_addr_t buf_dma;
2251 hp_host_info_t karg;
2252 CONFIGPARMS cfg;
2253 ConfigPageHeader_t hdr;
2254 int iocnum;
2255 int rc, cim_rev;
2256
2257 dctlprintk((": mptctl_hp_hostinfo called.\n"));
2258 /* Reset long to int. Should affect IA64 and SPARC only
2259 */
2260 if (data_size == sizeof(hp_host_info_t))
2261 cim_rev = 1;
2262 else if (data_size == sizeof(hp_host_info_rev0_t))
2263 cim_rev = 0; /* obsolete */
2264 else
2265 return -EFAULT;
2266
2267 if (copy_from_user(&karg, uarg, sizeof(hp_host_info_t))) {
2268 printk(KERN_ERR "%s@%d::mptctl_hp_host_info - "
2269 "Unable to read in hp_host_info struct @ %p\n",
2270 __FILE__, __LINE__, uarg);
2271 return -EFAULT;
2272 }
2273
2274 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
2275 (ioc == NULL)) {
2276 dctlprintk((KERN_ERR "%s::mptctl_hp_hostinfo() @%d - ioc%d not found!\n",
2277 __FILE__, __LINE__, iocnum));
2278 return -ENODEV;
2279 }
2280
2281 /* Fill in the data and return the structure to the calling
2282 * program
2283 */
2284 pdev = (struct pci_dev *) ioc->pcidev;
2285
2286 karg.vendor = pdev->vendor;
2287 karg.device = pdev->device;
2288 karg.subsystem_id = pdev->subsystem_device;
2289 karg.subsystem_vendor = pdev->subsystem_vendor;
2290 karg.devfn = pdev->devfn;
2291 karg.bus = pdev->bus->number;
2292
2293 /* Save the SCSI host no. if
2294 * SCSI driver loaded
2295 */
2296 if (ioc->sh != NULL)
2297 karg.host_no = ioc->sh->host_no;
2298 else
2299 karg.host_no = -1;
2300
2301 /* Reformat the fw_version into a string
2302 */
2303 karg.fw_version[0] = ioc->facts.FWVersion.Struct.Major >= 10 ?
2304 ((ioc->facts.FWVersion.Struct.Major / 10) + '0') : '0';
2305 karg.fw_version[1] = (ioc->facts.FWVersion.Struct.Major % 10 ) + '0';
2306 karg.fw_version[2] = '.';
2307 karg.fw_version[3] = ioc->facts.FWVersion.Struct.Minor >= 10 ?
2308 ((ioc->facts.FWVersion.Struct.Minor / 10) + '0') : '0';
2309 karg.fw_version[4] = (ioc->facts.FWVersion.Struct.Minor % 10 ) + '0';
2310 karg.fw_version[5] = '.';
2311 karg.fw_version[6] = ioc->facts.FWVersion.Struct.Unit >= 10 ?
2312 ((ioc->facts.FWVersion.Struct.Unit / 10) + '0') : '0';
2313 karg.fw_version[7] = (ioc->facts.FWVersion.Struct.Unit % 10 ) + '0';
2314 karg.fw_version[8] = '.';
2315 karg.fw_version[9] = ioc->facts.FWVersion.Struct.Dev >= 10 ?
2316 ((ioc->facts.FWVersion.Struct.Dev / 10) + '0') : '0';
2317 karg.fw_version[10] = (ioc->facts.FWVersion.Struct.Dev % 10 ) + '0';
2318 karg.fw_version[11] = '\0';
2319
2320 /* Issue a config request to get the device serial number
2321 */
2322 hdr.PageVersion = 0;
2323 hdr.PageLength = 0;
2324 hdr.PageNumber = 0;
2325 hdr.PageType = MPI_CONFIG_PAGETYPE_MANUFACTURING;
2326 cfg.cfghdr.hdr = &hdr;
2327 cfg.physAddr = -1;
2328 cfg.pageAddr = 0;
2329 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2330 cfg.dir = 0; /* read */
2331 cfg.timeout = 10;
2332
2333 strncpy(karg.serial_number, " ", 24);
2334 if (mpt_config(ioc, &cfg) == 0) {
2335 if (cfg.cfghdr.hdr->PageLength > 0) {
2336 /* Issue the second config page request */
2337 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2338
2339 pbuf = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, &buf_dma);
2340 if (pbuf) {
2341 cfg.physAddr = buf_dma;
2342 if (mpt_config(ioc, &cfg) == 0) {
2343 ManufacturingPage0_t *pdata = (ManufacturingPage0_t *) pbuf;
2344 if (strlen(pdata->BoardTracerNumber) > 1) {
2345 strncpy(karg.serial_number, pdata->BoardTracerNumber, 24);
2346 karg.serial_number[24-1]='\0';
2347 }
2348 }
2349 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, pbuf, buf_dma);
2350 pbuf = NULL;
2351 }
2352 }
2353 }
2354 rc = mpt_GetIocState(ioc, 1);
2355 switch (rc) {
2356 case MPI_IOC_STATE_OPERATIONAL:
2357 karg.ioc_status = HP_STATUS_OK;
2358 break;
2359
2360 case MPI_IOC_STATE_FAULT:
2361 karg.ioc_status = HP_STATUS_FAILED;
2362 break;
2363
2364 case MPI_IOC_STATE_RESET:
2365 case MPI_IOC_STATE_READY:
2366 default:
2367 karg.ioc_status = HP_STATUS_OTHER;
2368 break;
2369 }
2370
2371 karg.base_io_addr = pci_resource_start(pdev, 0);
2372
2373 if (ioc->bus_type == FC)
2374 karg.bus_phys_width = HP_BUS_WIDTH_UNK;
2375 else
2376 karg.bus_phys_width = HP_BUS_WIDTH_16;
2377
2378 karg.hard_resets = 0;
2379 karg.soft_resets = 0;
2380 karg.timeouts = 0;
2381 if (ioc->sh != NULL) {
2382 MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)ioc->sh->hostdata;
2383
2384 if (hd && (cim_rev == 1)) {
2385 karg.hard_resets = hd->hard_resets;
2386 karg.soft_resets = hd->soft_resets;
2387 karg.timeouts = hd->timeouts;
2388 }
2389 }
2390
2391 cfg.pageAddr = 0;
2392 cfg.action = MPI_TOOLBOX_ISTWI_READ_WRITE_TOOL;
2393 cfg.dir = MPI_TB_ISTWI_FLAGS_READ;
2394 cfg.timeout = 10;
2395 pbuf = pci_alloc_consistent(ioc->pcidev, 4, &buf_dma);
2396 if (pbuf) {
2397 cfg.physAddr = buf_dma;
2398 if ((mpt_toolbox(ioc, &cfg)) == 0) {
2399 karg.rsvd = *(u32 *)pbuf;
2400 }
2401 pci_free_consistent(ioc->pcidev, 4, pbuf, buf_dma);
2402 pbuf = NULL;
2403 }
2404
2405 /* Copy the data from kernel memory to user memory
2406 */
2407 if (copy_to_user((char __user *)arg, &karg, sizeof(hp_host_info_t))) {
2408 printk(KERN_ERR "%s@%d::mptctl_hpgethostinfo - "
2409 "Unable to write out hp_host_info @ %p\n",
2410 __FILE__, __LINE__, uarg);
2411 return -EFAULT;
2412 }
2413
2414 return 0;
2415
2416 }
2417
2418 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2419 /* Prototype Routine for the HP TARGET INFO command.
2420 *
2421 * Outputs: None.
2422 * Return: 0 if successful
2423 * -EFAULT if data unavailable
2424 * -EBUSY if previous command timout and IOC reset is not complete.
2425 * -ENODEV if no such device/adapter
2426 * -ETIME if timer expires
2427 * -ENOMEM if memory allocation error
2428 */
2429 static int
2430 mptctl_hp_targetinfo(unsigned long arg)
2431 {
2432 hp_target_info_t __user *uarg = (void __user *) arg;
2433 SCSIDevicePage0_t *pg0_alloc;
2434 SCSIDevicePage3_t *pg3_alloc;
2435 MPT_ADAPTER *ioc;
2436 MPT_SCSI_HOST *hd = NULL;
2437 hp_target_info_t karg;
2438 int iocnum;
2439 int data_sz;
2440 dma_addr_t page_dma;
2441 CONFIGPARMS cfg;
2442 ConfigPageHeader_t hdr;
2443 int tmp, np, rc = 0;
2444
2445 dctlprintk((": mptctl_hp_targetinfo called.\n"));
2446 if (copy_from_user(&karg, uarg, sizeof(hp_target_info_t))) {
2447 printk(KERN_ERR "%s@%d::mptctl_hp_targetinfo - "
2448 "Unable to read in hp_host_targetinfo struct @ %p\n",
2449 __FILE__, __LINE__, uarg);
2450 return -EFAULT;
2451 }
2452
2453 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
2454 (ioc == NULL)) {
2455 dctlprintk((KERN_ERR "%s::mptctl_hp_targetinfo() @%d - ioc%d not found!\n",
2456 __FILE__, __LINE__, iocnum));
2457 return -ENODEV;
2458 }
2459
2460 /* There is nothing to do for FCP parts.
2461 */
2462 if (ioc->bus_type == FC)
2463 return 0;
2464
2465 if ((ioc->spi_data.sdp0length == 0) || (ioc->sh == NULL))
2466 return 0;
2467
2468 if (ioc->sh->host_no != karg.hdr.host)
2469 return -ENODEV;
2470
2471 /* Get the data transfer speeds
2472 */
2473 data_sz = ioc->spi_data.sdp0length * 4;
2474 pg0_alloc = (SCSIDevicePage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page_dma);
2475 if (pg0_alloc) {
2476 hdr.PageVersion = ioc->spi_data.sdp0version;
2477 hdr.PageLength = data_sz;
2478 hdr.PageNumber = 0;
2479 hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
2480
2481 cfg.cfghdr.hdr = &hdr;
2482 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2483 cfg.dir = 0;
2484 cfg.timeout = 0;
2485 cfg.physAddr = page_dma;
2486
2487 cfg.pageAddr = (karg.hdr.channel << 8) | karg.hdr.id;
2488
2489 if ((rc = mpt_config(ioc, &cfg)) == 0) {
2490 np = le32_to_cpu(pg0_alloc->NegotiatedParameters);
2491 karg.negotiated_width = np & MPI_SCSIDEVPAGE0_NP_WIDE ?
2492 HP_BUS_WIDTH_16 : HP_BUS_WIDTH_8;
2493
2494 if (np & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK) {
2495 tmp = (np & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK) >> 8;
2496 if (tmp < 0x09)
2497 karg.negotiated_speed = HP_DEV_SPEED_ULTRA320;
2498 else if (tmp <= 0x09)
2499 karg.negotiated_speed = HP_DEV_SPEED_ULTRA160;
2500 else if (tmp <= 0x0A)
2501 karg.negotiated_speed = HP_DEV_SPEED_ULTRA2;
2502 else if (tmp <= 0x0C)
2503 karg.negotiated_speed = HP_DEV_SPEED_ULTRA;
2504 else if (tmp <= 0x25)
2505 karg.negotiated_speed = HP_DEV_SPEED_FAST;
2506 else
2507 karg.negotiated_speed = HP_DEV_SPEED_ASYNC;
2508 } else
2509 karg.negotiated_speed = HP_DEV_SPEED_ASYNC;
2510 }
2511
2512 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) pg0_alloc, page_dma);
2513 }
2514
2515 /* Set defaults
2516 */
2517 karg.message_rejects = -1;
2518 karg.phase_errors = -1;
2519 karg.parity_errors = -1;
2520 karg.select_timeouts = -1;
2521
2522 /* Get the target error parameters
2523 */
2524 hdr.PageVersion = 0;
2525 hdr.PageLength = 0;
2526 hdr.PageNumber = 3;
2527 hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
2528
2529 cfg.cfghdr.hdr = &hdr;
2530 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2531 cfg.dir = 0;
2532 cfg.timeout = 0;
2533 cfg.physAddr = -1;
2534 if ((mpt_config(ioc, &cfg) == 0) && (cfg.cfghdr.hdr->PageLength > 0)) {
2535 /* Issue the second config page request */
2536 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2537 data_sz = (int) cfg.cfghdr.hdr->PageLength * 4;
2538 pg3_alloc = (SCSIDevicePage3_t *) pci_alloc_consistent(
2539 ioc->pcidev, data_sz, &page_dma);
2540 if (pg3_alloc) {
2541 cfg.physAddr = page_dma;
2542 cfg.pageAddr = (karg.hdr.channel << 8) | karg.hdr.id;
2543 if ((rc = mpt_config(ioc, &cfg)) == 0) {
2544 karg.message_rejects = (u32) le16_to_cpu(pg3_alloc->MsgRejectCount);
2545 karg.phase_errors = (u32) le16_to_cpu(pg3_alloc->PhaseErrorCount);
2546 karg.parity_errors = (u32) le16_to_cpu(pg3_alloc->ParityErrorCount);
2547 }
2548 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) pg3_alloc, page_dma);
2549 }
2550 }
2551 hd = (MPT_SCSI_HOST *) ioc->sh->hostdata;
2552 if (hd != NULL)
2553 karg.select_timeouts = hd->sel_timeout[karg.hdr.id];
2554
2555 /* Copy the data from kernel memory to user memory
2556 */
2557 if (copy_to_user((char __user *)arg, &karg, sizeof(hp_target_info_t))) {
2558 printk(KERN_ERR "%s@%d::mptctl_hp_target_info - "
2559 "Unable to write out mpt_ioctl_targetinfo struct @ %p\n",
2560 __FILE__, __LINE__, uarg);
2561 return -EFAULT;
2562 }
2563
2564 return 0;
2565 }
2566
2567 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2568
2569 static struct file_operations mptctl_fops = {
2570 .owner = THIS_MODULE,
2571 .llseek = no_llseek,
2572 .unlocked_ioctl = mptctl_ioctl,
2573 #ifdef CONFIG_COMPAT
2574 .compat_ioctl = compat_mpctl_ioctl,
2575 #endif
2576 };
2577
2578 static struct miscdevice mptctl_miscdev = {
2579 MPT_MINOR,
2580 MYNAM,
2581 &mptctl_fops
2582 };
2583
2584 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2585
2586 #ifdef CONFIG_COMPAT
2587
2588 static int
2589 compat_mptfwxfer_ioctl(struct file *filp, unsigned int cmd,
2590 unsigned long arg)
2591 {
2592 struct mpt_fw_xfer32 kfw32;
2593 struct mpt_fw_xfer kfw;
2594 MPT_ADAPTER *iocp = NULL;
2595 int iocnum, iocnumX;
2596 int nonblock = (filp->f_flags & O_NONBLOCK);
2597 int ret;
2598
2599 dctlprintk((KERN_INFO MYNAM "::compat_mptfwxfer_ioctl() called\n"));
2600
2601 if (copy_from_user(&kfw32, (char __user *)arg, sizeof(kfw32)))
2602 return -EFAULT;
2603
2604 /* Verify intended MPT adapter */
2605 iocnumX = kfw32.iocnum & 0xFF;
2606 if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) ||
2607 (iocp == NULL)) {
2608 dctlprintk((KERN_ERR MYNAM "::compat_mptfwxfer_ioctl @%d - ioc%d not found!\n",
2609 __LINE__, iocnumX));
2610 return -ENODEV;
2611 }
2612
2613 if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0)
2614 return ret;
2615
2616 kfw.iocnum = iocnum;
2617 kfw.fwlen = kfw32.fwlen;
2618 kfw.bufp = compat_ptr(kfw32.bufp);
2619
2620 ret = mptctl_do_fw_download(kfw.iocnum, kfw.bufp, kfw.fwlen);
2621
2622 mutex_unlock(&iocp->ioctl->ioctl_mutex);
2623
2624 return ret;
2625 }
2626
2627 static int
2628 compat_mpt_command(struct file *filp, unsigned int cmd,
2629 unsigned long arg)
2630 {
2631 struct mpt_ioctl_command32 karg32;
2632 struct mpt_ioctl_command32 __user *uarg = (struct mpt_ioctl_command32 __user *) arg;
2633 struct mpt_ioctl_command karg;
2634 MPT_ADAPTER *iocp = NULL;
2635 int iocnum, iocnumX;
2636 int nonblock = (filp->f_flags & O_NONBLOCK);
2637 int ret;
2638
2639 dctlprintk((KERN_INFO MYNAM "::compat_mpt_command() called\n"));
2640
2641 if (copy_from_user(&karg32, (char __user *)arg, sizeof(karg32)))
2642 return -EFAULT;
2643
2644 /* Verify intended MPT adapter */
2645 iocnumX = karg32.hdr.iocnum & 0xFF;
2646 if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) ||
2647 (iocp == NULL)) {
2648 dctlprintk((KERN_ERR MYNAM "::compat_mpt_command @%d - ioc%d not found!\n",
2649 __LINE__, iocnumX));
2650 return -ENODEV;
2651 }
2652
2653 if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0)
2654 return ret;
2655
2656 /* Copy data to karg */
2657 karg.hdr.iocnum = karg32.hdr.iocnum;
2658 karg.hdr.port = karg32.hdr.port;
2659 karg.timeout = karg32.timeout;
2660 karg.maxReplyBytes = karg32.maxReplyBytes;
2661
2662 karg.dataInSize = karg32.dataInSize;
2663 karg.dataOutSize = karg32.dataOutSize;
2664 karg.maxSenseBytes = karg32.maxSenseBytes;
2665 karg.dataSgeOffset = karg32.dataSgeOffset;
2666
2667 karg.replyFrameBufPtr = (char __user *)(unsigned long)karg32.replyFrameBufPtr;
2668 karg.dataInBufPtr = (char __user *)(unsigned long)karg32.dataInBufPtr;
2669 karg.dataOutBufPtr = (char __user *)(unsigned long)karg32.dataOutBufPtr;
2670 karg.senseDataPtr = (char __user *)(unsigned long)karg32.senseDataPtr;
2671
2672 /* Pass new structure to do_mpt_command
2673 */
2674 ret = mptctl_do_mpt_command (karg, &uarg->MF);
2675
2676 mutex_unlock(&iocp->ioctl->ioctl_mutex);
2677
2678 return ret;
2679 }
2680
2681 static long compat_mpctl_ioctl(struct file *f, unsigned int cmd, unsigned long arg)
2682 {
2683 long ret;
2684 lock_kernel();
2685 switch (cmd) {
2686 case MPTIOCINFO:
2687 case MPTIOCINFO1:
2688 case MPTIOCINFO2:
2689 case MPTTARGETINFO:
2690 case MPTEVENTQUERY:
2691 case MPTEVENTENABLE:
2692 case MPTEVENTREPORT:
2693 case MPTHARDRESET:
2694 case HP_GETHOSTINFO:
2695 case HP_GETTARGETINFO:
2696 case MPTTEST:
2697 ret = __mptctl_ioctl(f, cmd, arg);
2698 break;
2699 case MPTCOMMAND32:
2700 ret = compat_mpt_command(f, cmd, arg);
2701 break;
2702 case MPTFWDOWNLOAD32:
2703 ret = compat_mptfwxfer_ioctl(f, cmd, arg);
2704 break;
2705 default:
2706 ret = -ENOIOCTLCMD;
2707 break;
2708 }
2709 unlock_kernel();
2710 return ret;
2711 }
2712
2713 #endif
2714
2715
2716 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2717 /*
2718 * mptctl_probe - Installs ioctl devices per bus.
2719 * @pdev: Pointer to pci_dev structure
2720 *
2721 * Returns 0 for success, non-zero for failure.
2722 *
2723 */
2724
2725 static int
2726 mptctl_probe(struct pci_dev *pdev, const struct pci_device_id *id)
2727 {
2728 int err;
2729 int sz;
2730 u8 *mem;
2731 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
2732
2733 /*
2734 * Allocate and inite a MPT_IOCTL structure
2735 */
2736 sz = sizeof (MPT_IOCTL);
2737 mem = kmalloc(sz, GFP_KERNEL);
2738 if (mem == NULL) {
2739 err = -ENOMEM;
2740 goto out_fail;
2741 }
2742
2743 memset(mem, 0, sz);
2744 ioc->ioctl = (MPT_IOCTL *) mem;
2745 ioc->ioctl->ioc = ioc;
2746 mutex_init(&ioc->ioctl->ioctl_mutex);
2747 return 0;
2748
2749 out_fail:
2750
2751 mptctl_remove(pdev);
2752 return err;
2753 }
2754
2755 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2756 /*
2757 * mptctl_remove - Removed ioctl devices
2758 * @pdev: Pointer to pci_dev structure
2759 *
2760 *
2761 */
2762 static void
2763 mptctl_remove(struct pci_dev *pdev)
2764 {
2765 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
2766
2767 kfree ( ioc->ioctl );
2768 }
2769
2770 static struct mpt_pci_driver mptctl_driver = {
2771 .probe = mptctl_probe,
2772 .remove = mptctl_remove,
2773 };
2774
2775 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2776 static int __init mptctl_init(void)
2777 {
2778 int err;
2779 int where = 1;
2780
2781 show_mptmod_ver(my_NAME, my_VERSION);
2782
2783 if(mpt_device_driver_register(&mptctl_driver,
2784 MPTCTL_DRIVER) != 0 ) {
2785 dprintk((KERN_INFO MYNAM
2786 ": failed to register dd callbacks\n"));
2787 }
2788
2789 /* Register this device */
2790 err = misc_register(&mptctl_miscdev);
2791 if (err < 0) {
2792 printk(KERN_ERR MYNAM ": Can't register misc device [minor=%d].\n", MPT_MINOR);
2793 goto out_fail;
2794 }
2795 printk(KERN_INFO MYNAM ": Registered with Fusion MPT base driver\n");
2796 printk(KERN_INFO MYNAM ": /dev/%s @ (major,minor=%d,%d)\n",
2797 mptctl_miscdev.name, MISC_MAJOR, mptctl_miscdev.minor);
2798
2799 /*
2800 * Install our handler
2801 */
2802 ++where;
2803 if ((mptctl_id = mpt_register(mptctl_reply, MPTCTL_DRIVER)) < 0) {
2804 printk(KERN_ERR MYNAM ": ERROR: Failed to register with Fusion MPT base driver\n");
2805 misc_deregister(&mptctl_miscdev);
2806 err = -EBUSY;
2807 goto out_fail;
2808 }
2809
2810 if (mpt_reset_register(mptctl_id, mptctl_ioc_reset) == 0) {
2811 dprintk((KERN_INFO MYNAM ": Registered for IOC reset notifications\n"));
2812 } else {
2813 /* FIXME! */
2814 }
2815
2816 return 0;
2817
2818 out_fail:
2819
2820 mpt_device_driver_deregister(MPTCTL_DRIVER);
2821
2822 return err;
2823 }
2824
2825 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2826 static void mptctl_exit(void)
2827 {
2828 misc_deregister(&mptctl_miscdev);
2829 printk(KERN_INFO MYNAM ": Deregistered /dev/%s @ (major,minor=%d,%d)\n",
2830 mptctl_miscdev.name, MISC_MAJOR, mptctl_miscdev.minor);
2831
2832 /* De-register reset handler from base module */
2833 mpt_reset_deregister(mptctl_id);
2834 dprintk((KERN_INFO MYNAM ": Deregistered for IOC reset notifications\n"));
2835
2836 /* De-register callback handler from base module */
2837 mpt_deregister(mptctl_id);
2838 printk(KERN_INFO MYNAM ": Deregistered from Fusion MPT base driver\n");
2839
2840 mpt_device_driver_deregister(MPTCTL_DRIVER);
2841
2842 }
2843
2844 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2845
2846 module_init(mptctl_init);
2847 module_exit(mptctl_exit);
Linux kernel - Deliverables
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