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gpu: host1x: Remove second host1x driver
[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 PCI chip/adapters
5 * running LSI Fusion MPT (Message Passing Technology) firmware.
6 *
7 * Copyright (c) 1999-2008 LSI Corporation
8 * (mailto:DL-MPTFusionLinux@lsi.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/mutex.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) 1999-2008 LSI Corporation"
70 #define MODULEAUTHOR "LSI 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 MODULE_VERSION(my_VERSION);
83
84 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
85
86 static DEFINE_MUTEX(mpctl_mutex);
87 static u8 mptctl_id = MPT_MAX_PROTOCOL_DRIVERS;
88 static u8 mptctl_taskmgmt_id = MPT_MAX_PROTOCOL_DRIVERS;
89
90 static DECLARE_WAIT_QUEUE_HEAD ( mptctl_wait );
91
92 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
93
94 struct buflist {
95 u8 *kptr;
96 int len;
97 };
98
99 /*
100 * Function prototypes. Called from OS entry point mptctl_ioctl.
101 * arg contents specific to function.
102 */
103 static int mptctl_fw_download(unsigned long arg);
104 static int mptctl_getiocinfo(unsigned long arg, unsigned int cmd);
105 static int mptctl_gettargetinfo(unsigned long arg);
106 static int mptctl_readtest(unsigned long arg);
107 static int mptctl_mpt_command(unsigned long arg);
108 static int mptctl_eventquery(unsigned long arg);
109 static int mptctl_eventenable(unsigned long arg);
110 static int mptctl_eventreport(unsigned long arg);
111 static int mptctl_replace_fw(unsigned long arg);
112
113 static int mptctl_do_reset(unsigned long arg);
114 static int mptctl_hp_hostinfo(unsigned long arg, unsigned int cmd);
115 static int mptctl_hp_targetinfo(unsigned long arg);
116
117 static int mptctl_probe(struct pci_dev *, const struct pci_device_id *);
118 static void mptctl_remove(struct pci_dev *);
119
120 #ifdef CONFIG_COMPAT
121 static long compat_mpctl_ioctl(struct file *f, unsigned cmd, unsigned long arg);
122 #endif
123 /*
124 * Private function calls.
125 */
126 static int mptctl_do_mpt_command(struct mpt_ioctl_command karg, void __user *mfPtr);
127 static int mptctl_do_fw_download(int ioc, char __user *ufwbuf, size_t fwlen);
128 static MptSge_t *kbuf_alloc_2_sgl(int bytes, u32 dir, int sge_offset, int *frags,
129 struct buflist **blp, dma_addr_t *sglbuf_dma, MPT_ADAPTER *ioc);
130 static void kfree_sgl(MptSge_t *sgl, dma_addr_t sgl_dma,
131 struct buflist *buflist, MPT_ADAPTER *ioc);
132
133 /*
134 * Reset Handler cleanup function
135 */
136 static int mptctl_ioc_reset(MPT_ADAPTER *ioc, int reset_phase);
137
138 /*
139 * Event Handler function
140 */
141 static int mptctl_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
142 static struct fasync_struct *async_queue=NULL;
143
144 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
145 /*
146 * Scatter gather list (SGL) sizes and limits...
147 */
148 //#define MAX_SCSI_FRAGS 9
149 #define MAX_FRAGS_SPILL1 9
150 #define MAX_FRAGS_SPILL2 15
151 #define FRAGS_PER_BUCKET (MAX_FRAGS_SPILL2 + 1)
152
153 //#define MAX_CHAIN_FRAGS 64
154 //#define MAX_CHAIN_FRAGS (15+15+15+16)
155 #define MAX_CHAIN_FRAGS (4 * MAX_FRAGS_SPILL2 + 1)
156
157 // Define max sg LIST bytes ( == (#frags + #chains) * 8 bytes each)
158 // Works out to: 592d bytes! (9+1)*8 + 4*(15+1)*8
159 // ^----------------- 80 + 512
160 #define MAX_SGL_BYTES ((MAX_FRAGS_SPILL1 + 1 + (4 * FRAGS_PER_BUCKET)) * 8)
161
162 /* linux only seems to ever give 128kB MAX contiguous (GFP_USER) mem bytes */
163 #define MAX_KMALLOC_SZ (128*1024)
164
165 #define MPT_IOCTL_DEFAULT_TIMEOUT 10 /* Default timeout value (seconds) */
166
167 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
168 /**
169 * mptctl_syscall_down - Down the MPT adapter syscall semaphore.
170 * @ioc: Pointer to MPT adapter
171 * @nonblock: boolean, non-zero if O_NONBLOCK is set
172 *
173 * All of the ioctl commands can potentially sleep, which is illegal
174 * with a spinlock held, thus we perform mutual exclusion here.
175 *
176 * Returns negative errno on error, or zero for success.
177 */
178 static inline int
179 mptctl_syscall_down(MPT_ADAPTER *ioc, int nonblock)
180 {
181 int rc = 0;
182
183 if (nonblock) {
184 if (!mutex_trylock(&ioc->ioctl_cmds.mutex))
185 rc = -EAGAIN;
186 } else {
187 if (mutex_lock_interruptible(&ioc->ioctl_cmds.mutex))
188 rc = -ERESTARTSYS;
189 }
190 return rc;
191 }
192
193 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
194 /*
195 * This is the callback for any message we have posted. The message itself
196 * will be returned to the message pool when we return from the IRQ
197 *
198 * This runs in irq context so be short and sweet.
199 */
200 static int
201 mptctl_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply)
202 {
203 char *sense_data;
204 int req_index;
205 int sz;
206
207 if (!req)
208 return 0;
209
210 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "completing mpi function "
211 "(0x%02X), req=%p, reply=%p\n", ioc->name, req->u.hdr.Function,
212 req, reply));
213
214 /*
215 * Handling continuation of the same reply. Processing the first
216 * reply, and eating the other replys that come later.
217 */
218 if (ioc->ioctl_cmds.msg_context != req->u.hdr.MsgContext)
219 goto out_continuation;
220
221 ioc->ioctl_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
222
223 if (!reply)
224 goto out;
225
226 ioc->ioctl_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
227 sz = min(ioc->reply_sz, 4*reply->u.reply.MsgLength);
228 memcpy(ioc->ioctl_cmds.reply, reply, sz);
229
230 if (reply->u.reply.IOCStatus || reply->u.reply.IOCLogInfo)
231 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
232 "iocstatus (0x%04X), loginfo (0x%08X)\n", ioc->name,
233 le16_to_cpu(reply->u.reply.IOCStatus),
234 le32_to_cpu(reply->u.reply.IOCLogInfo)));
235
236 if ((req->u.hdr.Function == MPI_FUNCTION_SCSI_IO_REQUEST) ||
237 (req->u.hdr.Function ==
238 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) {
239
240 if (reply->u.sreply.SCSIStatus || reply->u.sreply.SCSIState)
241 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
242 "scsi_status (0x%02x), scsi_state (0x%02x), "
243 "tag = (0x%04x), transfer_count (0x%08x)\n", ioc->name,
244 reply->u.sreply.SCSIStatus,
245 reply->u.sreply.SCSIState,
246 le16_to_cpu(reply->u.sreply.TaskTag),
247 le32_to_cpu(reply->u.sreply.TransferCount)));
248
249 if (reply->u.sreply.SCSIState &
250 MPI_SCSI_STATE_AUTOSENSE_VALID) {
251 sz = req->u.scsireq.SenseBufferLength;
252 req_index =
253 le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
254 sense_data = ((u8 *)ioc->sense_buf_pool +
255 (req_index * MPT_SENSE_BUFFER_ALLOC));
256 memcpy(ioc->ioctl_cmds.sense, sense_data, sz);
257 ioc->ioctl_cmds.status |= MPT_MGMT_STATUS_SENSE_VALID;
258 }
259 }
260
261 out:
262 /* We are done, issue wake up
263 */
264 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_PENDING) {
265 if (req->u.hdr.Function == MPI_FUNCTION_SCSI_TASK_MGMT) {
266 mpt_clear_taskmgmt_in_progress_flag(ioc);
267 ioc->ioctl_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
268 complete(&ioc->ioctl_cmds.done);
269 if (ioc->bus_type == SAS)
270 ioc->schedule_target_reset(ioc);
271 } else {
272 ioc->ioctl_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
273 complete(&ioc->ioctl_cmds.done);
274 }
275 }
276
277 out_continuation:
278 if (reply && (reply->u.reply.MsgFlags &
279 MPI_MSGFLAGS_CONTINUATION_REPLY))
280 return 0;
281 return 1;
282 }
283
284
285 static int
286 mptctl_taskmgmt_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
287 {
288 if (!mf)
289 return 0;
290
291 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
292 "TaskMgmt completed (mf=%p, mr=%p)\n",
293 ioc->name, mf, mr));
294
295 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
296
297 if (!mr)
298 goto out;
299
300 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
301 memcpy(ioc->taskmgmt_cmds.reply, mr,
302 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
303 out:
304 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
305 mpt_clear_taskmgmt_in_progress_flag(ioc);
306 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
307 complete(&ioc->taskmgmt_cmds.done);
308 if (ioc->bus_type == SAS)
309 ioc->schedule_target_reset(ioc);
310 return 1;
311 }
312 return 0;
313 }
314
315 static int
316 mptctl_do_taskmgmt(MPT_ADAPTER *ioc, u8 tm_type, u8 bus_id, u8 target_id)
317 {
318 MPT_FRAME_HDR *mf;
319 SCSITaskMgmt_t *pScsiTm;
320 SCSITaskMgmtReply_t *pScsiTmReply;
321 int ii;
322 int retval;
323 unsigned long timeout;
324 unsigned long time_count;
325 u16 iocstatus;
326
327
328 mutex_lock(&ioc->taskmgmt_cmds.mutex);
329 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
330 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
331 return -EPERM;
332 }
333
334 retval = 0;
335
336 mf = mpt_get_msg_frame(mptctl_taskmgmt_id, ioc);
337 if (mf == NULL) {
338 dtmprintk(ioc,
339 printk(MYIOC_s_WARN_FMT "TaskMgmt, no msg frames!!\n",
340 ioc->name));
341 mpt_clear_taskmgmt_in_progress_flag(ioc);
342 retval = -ENOMEM;
343 goto tm_done;
344 }
345
346 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
347 ioc->name, mf));
348
349 pScsiTm = (SCSITaskMgmt_t *) mf;
350 memset(pScsiTm, 0, sizeof(SCSITaskMgmt_t));
351 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
352 pScsiTm->TaskType = tm_type;
353 if ((tm_type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS) &&
354 (ioc->bus_type == FC))
355 pScsiTm->MsgFlags =
356 MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION;
357 pScsiTm->TargetID = target_id;
358 pScsiTm->Bus = bus_id;
359 pScsiTm->ChainOffset = 0;
360 pScsiTm->Reserved = 0;
361 pScsiTm->Reserved1 = 0;
362 pScsiTm->TaskMsgContext = 0;
363 for (ii= 0; ii < 8; ii++)
364 pScsiTm->LUN[ii] = 0;
365 for (ii=0; ii < 7; ii++)
366 pScsiTm->Reserved2[ii] = 0;
367
368 switch (ioc->bus_type) {
369 case FC:
370 timeout = 40;
371 break;
372 case SAS:
373 timeout = 30;
374 break;
375 case SPI:
376 default:
377 timeout = 10;
378 break;
379 }
380
381 dtmprintk(ioc,
382 printk(MYIOC_s_DEBUG_FMT "TaskMgmt type=%d timeout=%ld\n",
383 ioc->name, tm_type, timeout));
384
385 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
386 time_count = jiffies;
387 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
388 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
389 mpt_put_msg_frame_hi_pri(mptctl_taskmgmt_id, ioc, mf);
390 else {
391 retval = mpt_send_handshake_request(mptctl_taskmgmt_id, ioc,
392 sizeof(SCSITaskMgmt_t), (u32 *)pScsiTm, CAN_SLEEP);
393 if (retval != 0) {
394 dfailprintk(ioc,
395 printk(MYIOC_s_ERR_FMT
396 "TaskMgmt send_handshake FAILED!"
397 " (ioc %p, mf %p, rc=%d) \n", ioc->name,
398 ioc, mf, retval));
399 mpt_free_msg_frame(ioc, mf);
400 mpt_clear_taskmgmt_in_progress_flag(ioc);
401 goto tm_done;
402 }
403 }
404
405 /* Now wait for the command to complete */
406 ii = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done, timeout*HZ);
407
408 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
409 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
410 "TaskMgmt failed\n", ioc->name));
411 mpt_free_msg_frame(ioc, mf);
412 mpt_clear_taskmgmt_in_progress_flag(ioc);
413 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
414 retval = 0;
415 else
416 retval = -1; /* return failure */
417 goto tm_done;
418 }
419
420 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
421 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
422 "TaskMgmt failed\n", ioc->name));
423 retval = -1; /* return failure */
424 goto tm_done;
425 }
426
427 pScsiTmReply = (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply;
428 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
429 "TaskMgmt fw_channel = %d, fw_id = %d, task_type=0x%02X, "
430 "iocstatus=0x%04X\n\tloginfo=0x%08X, response_code=0x%02X, "
431 "term_cmnds=%d\n", ioc->name, pScsiTmReply->Bus,
432 pScsiTmReply->TargetID, tm_type,
433 le16_to_cpu(pScsiTmReply->IOCStatus),
434 le32_to_cpu(pScsiTmReply->IOCLogInfo),
435 pScsiTmReply->ResponseCode,
436 le32_to_cpu(pScsiTmReply->TerminationCount)));
437
438 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
439
440 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
441 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED ||
442 iocstatus == MPI_IOCSTATUS_SUCCESS)
443 retval = 0;
444 else {
445 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
446 "TaskMgmt failed\n", ioc->name));
447 retval = -1; /* return failure */
448 }
449
450 tm_done:
451 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
452 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
453 return retval;
454 }
455
456 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
457 /* mptctl_timeout_expired
458 *
459 * Expecting an interrupt, however timed out.
460 *
461 */
462 static void
463 mptctl_timeout_expired(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
464 {
465 unsigned long flags;
466 int ret_val = -1;
467 SCSIIORequest_t *scsi_req = (SCSIIORequest_t *) mf;
468 u8 function = mf->u.hdr.Function;
469
470 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": %s\n",
471 ioc->name, __func__));
472
473 if (mpt_fwfault_debug)
474 mpt_halt_firmware(ioc);
475
476 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
477 if (ioc->ioc_reset_in_progress) {
478 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
479 CLEAR_MGMT_PENDING_STATUS(ioc->ioctl_cmds.status)
480 mpt_free_msg_frame(ioc, mf);
481 return;
482 }
483 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
484
485
486 CLEAR_MGMT_PENDING_STATUS(ioc->ioctl_cmds.status)
487
488 if (ioc->bus_type == SAS) {
489 if (function == MPI_FUNCTION_SCSI_IO_REQUEST)
490 ret_val = mptctl_do_taskmgmt(ioc,
491 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
492 scsi_req->Bus, scsi_req->TargetID);
493 else if (function == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)
494 ret_val = mptctl_do_taskmgmt(ioc,
495 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
496 scsi_req->Bus, 0);
497 if (!ret_val)
498 return;
499 } else {
500 if ((function == MPI_FUNCTION_SCSI_IO_REQUEST) ||
501 (function == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH))
502 ret_val = mptctl_do_taskmgmt(ioc,
503 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
504 scsi_req->Bus, 0);
505 if (!ret_val)
506 return;
507 }
508
509 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Calling Reset! \n",
510 ioc->name));
511 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
512 mpt_free_msg_frame(ioc, mf);
513 }
514
515
516 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
517 /* mptctl_ioc_reset
518 *
519 * Clean-up functionality. Used only if there has been a
520 * reload of the FW due.
521 *
522 */
523 static int
524 mptctl_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
525 {
526 switch(reset_phase) {
527 case MPT_IOC_SETUP_RESET:
528 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
529 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
530 break;
531 case MPT_IOC_PRE_RESET:
532 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
533 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
534 break;
535 case MPT_IOC_POST_RESET:
536 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
537 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
538 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_PENDING) {
539 ioc->ioctl_cmds.status |= MPT_MGMT_STATUS_DID_IOCRESET;
540 complete(&ioc->ioctl_cmds.done);
541 }
542 break;
543 default:
544 break;
545 }
546
547 return 1;
548 }
549
550 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
551 /* ASYNC Event Notification Support */
552 static int
553 mptctl_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
554 {
555 u8 event;
556
557 event = le32_to_cpu(pEvReply->Event) & 0xFF;
558
559 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s() called\n",
560 ioc->name, __func__));
561 if(async_queue == NULL)
562 return 1;
563
564 /* Raise SIGIO for persistent events.
565 * TODO - this define is not in MPI spec yet,
566 * but they plan to set it to 0x21
567 */
568 if (event == 0x21 ) {
569 ioc->aen_event_read_flag=1;
570 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Raised SIGIO to application\n",
571 ioc->name));
572 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
573 "Raised SIGIO to application\n", ioc->name));
574 kill_fasync(&async_queue, SIGIO, POLL_IN);
575 return 1;
576 }
577
578 /* This flag is set after SIGIO was raised, and
579 * remains set until the application has read
580 * the event log via ioctl=MPTEVENTREPORT
581 */
582 if(ioc->aen_event_read_flag)
583 return 1;
584
585 /* Signal only for the events that are
586 * requested for by the application
587 */
588 if (ioc->events && (ioc->eventTypes & ( 1 << event))) {
589 ioc->aen_event_read_flag=1;
590 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
591 "Raised SIGIO to application\n", ioc->name));
592 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
593 "Raised SIGIO to application\n", ioc->name));
594 kill_fasync(&async_queue, SIGIO, POLL_IN);
595 }
596 return 1;
597 }
598
599 static int
600 mptctl_release(struct inode *inode, struct file *filep)
601 {
602 fasync_helper(-1, filep, 0, &async_queue);
603 return 0;
604 }
605
606 static int
607 mptctl_fasync(int fd, struct file *filep, int mode)
608 {
609 MPT_ADAPTER *ioc;
610 int ret;
611
612 mutex_lock(&mpctl_mutex);
613 list_for_each_entry(ioc, &ioc_list, list)
614 ioc->aen_event_read_flag=0;
615
616 ret = fasync_helper(fd, filep, mode, &async_queue);
617 mutex_unlock(&mpctl_mutex);
618 return ret;
619 }
620
621 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
622 /*
623 * MPT ioctl handler
624 * cmd - specify the particular IOCTL command to be issued
625 * arg - data specific to the command. Must not be null.
626 */
627 static long
628 __mptctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
629 {
630 mpt_ioctl_header __user *uhdr = (void __user *) arg;
631 mpt_ioctl_header khdr;
632 int iocnum;
633 unsigned iocnumX;
634 int nonblock = (file->f_flags & O_NONBLOCK);
635 int ret;
636 MPT_ADAPTER *iocp = NULL;
637
638 if (copy_from_user(&khdr, uhdr, sizeof(khdr))) {
639 printk(KERN_ERR MYNAM "%s::mptctl_ioctl() @%d - "
640 "Unable to copy mpt_ioctl_header data @ %p\n",
641 __FILE__, __LINE__, uhdr);
642 return -EFAULT;
643 }
644 ret = -ENXIO; /* (-6) No such device or address */
645
646 /* Verify intended MPT adapter - set iocnum and the adapter
647 * pointer (iocp)
648 */
649 iocnumX = khdr.iocnum & 0xFF;
650 if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) ||
651 (iocp == NULL))
652 return -ENODEV;
653
654 if (!iocp->active) {
655 printk(KERN_DEBUG MYNAM "%s::mptctl_ioctl() @%d - Controller disabled.\n",
656 __FILE__, __LINE__);
657 return -EFAULT;
658 }
659
660 /* Handle those commands that are just returning
661 * information stored in the driver.
662 * These commands should never time out and are unaffected
663 * by TM and FW reloads.
664 */
665 if ((cmd & ~IOCSIZE_MASK) == (MPTIOCINFO & ~IOCSIZE_MASK)) {
666 return mptctl_getiocinfo(arg, _IOC_SIZE(cmd));
667 } else if (cmd == MPTTARGETINFO) {
668 return mptctl_gettargetinfo(arg);
669 } else if (cmd == MPTTEST) {
670 return mptctl_readtest(arg);
671 } else if (cmd == MPTEVENTQUERY) {
672 return mptctl_eventquery(arg);
673 } else if (cmd == MPTEVENTENABLE) {
674 return mptctl_eventenable(arg);
675 } else if (cmd == MPTEVENTREPORT) {
676 return mptctl_eventreport(arg);
677 } else if (cmd == MPTFWREPLACE) {
678 return mptctl_replace_fw(arg);
679 }
680
681 /* All of these commands require an interrupt or
682 * are unknown/illegal.
683 */
684 if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0)
685 return ret;
686
687 if (cmd == MPTFWDOWNLOAD)
688 ret = mptctl_fw_download(arg);
689 else if (cmd == MPTCOMMAND)
690 ret = mptctl_mpt_command(arg);
691 else if (cmd == MPTHARDRESET)
692 ret = mptctl_do_reset(arg);
693 else if ((cmd & ~IOCSIZE_MASK) == (HP_GETHOSTINFO & ~IOCSIZE_MASK))
694 ret = mptctl_hp_hostinfo(arg, _IOC_SIZE(cmd));
695 else if (cmd == HP_GETTARGETINFO)
696 ret = mptctl_hp_targetinfo(arg);
697 else
698 ret = -EINVAL;
699
700 mutex_unlock(&iocp->ioctl_cmds.mutex);
701
702 return ret;
703 }
704
705 static long
706 mptctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
707 {
708 long ret;
709 mutex_lock(&mpctl_mutex);
710 ret = __mptctl_ioctl(file, cmd, arg);
711 mutex_unlock(&mpctl_mutex);
712 return ret;
713 }
714
715 static int mptctl_do_reset(unsigned long arg)
716 {
717 struct mpt_ioctl_diag_reset __user *urinfo = (void __user *) arg;
718 struct mpt_ioctl_diag_reset krinfo;
719 MPT_ADAPTER *iocp;
720
721 if (copy_from_user(&krinfo, urinfo, sizeof(struct mpt_ioctl_diag_reset))) {
722 printk(KERN_ERR MYNAM "%s@%d::mptctl_do_reset - "
723 "Unable to copy mpt_ioctl_diag_reset struct @ %p\n",
724 __FILE__, __LINE__, urinfo);
725 return -EFAULT;
726 }
727
728 if (mpt_verify_adapter(krinfo.hdr.iocnum, &iocp) < 0) {
729 printk(KERN_DEBUG MYNAM "%s@%d::mptctl_do_reset - ioc%d not found!\n",
730 __FILE__, __LINE__, krinfo.hdr.iocnum);
731 return -ENODEV; /* (-6) No such device or address */
732 }
733
734 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "mptctl_do_reset called.\n",
735 iocp->name));
736
737 if (mpt_HardResetHandler(iocp, CAN_SLEEP) != 0) {
738 printk (MYIOC_s_ERR_FMT "%s@%d::mptctl_do_reset - reset failed.\n",
739 iocp->name, __FILE__, __LINE__);
740 return -1;
741 }
742
743 return 0;
744 }
745
746 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
747 /*
748 * MPT FW download function. Cast the arg into the mpt_fw_xfer structure.
749 * This structure contains: iocnum, firmware length (bytes),
750 * pointer to user space memory where the fw image is stored.
751 *
752 * Outputs: None.
753 * Return: 0 if successful
754 * -EFAULT if data unavailable
755 * -ENXIO if no such device
756 * -EAGAIN if resource problem
757 * -ENOMEM if no memory for SGE
758 * -EMLINK if too many chain buffers required
759 * -EBADRQC if adapter does not support FW download
760 * -EBUSY if adapter is busy
761 * -ENOMSG if FW upload returned bad status
762 */
763 static int
764 mptctl_fw_download(unsigned long arg)
765 {
766 struct mpt_fw_xfer __user *ufwdl = (void __user *) arg;
767 struct mpt_fw_xfer kfwdl;
768
769 if (copy_from_user(&kfwdl, ufwdl, sizeof(struct mpt_fw_xfer))) {
770 printk(KERN_ERR MYNAM "%s@%d::_ioctl_fwdl - "
771 "Unable to copy mpt_fw_xfer struct @ %p\n",
772 __FILE__, __LINE__, ufwdl);
773 return -EFAULT;
774 }
775
776 return mptctl_do_fw_download(kfwdl.iocnum, kfwdl.bufp, kfwdl.fwlen);
777 }
778
779 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
780 /*
781 * FW Download engine.
782 * Outputs: None.
783 * Return: 0 if successful
784 * -EFAULT if data unavailable
785 * -ENXIO if no such device
786 * -EAGAIN if resource problem
787 * -ENOMEM if no memory for SGE
788 * -EMLINK if too many chain buffers required
789 * -EBADRQC if adapter does not support FW download
790 * -EBUSY if adapter is busy
791 * -ENOMSG if FW upload returned bad status
792 */
793 static int
794 mptctl_do_fw_download(int ioc, char __user *ufwbuf, size_t fwlen)
795 {
796 FWDownload_t *dlmsg;
797 MPT_FRAME_HDR *mf;
798 MPT_ADAPTER *iocp;
799 FWDownloadTCSGE_t *ptsge;
800 MptSge_t *sgl, *sgIn;
801 char *sgOut;
802 struct buflist *buflist;
803 struct buflist *bl;
804 dma_addr_t sgl_dma;
805 int ret;
806 int numfrags = 0;
807 int maxfrags;
808 int n = 0;
809 u32 sgdir;
810 u32 nib;
811 int fw_bytes_copied = 0;
812 int i;
813 int sge_offset = 0;
814 u16 iocstat;
815 pFWDownloadReply_t ReplyMsg = NULL;
816 unsigned long timeleft;
817
818 if (mpt_verify_adapter(ioc, &iocp) < 0) {
819 printk(KERN_DEBUG MYNAM "ioctl_fwdl - ioc%d not found!\n",
820 ioc);
821 return -ENODEV; /* (-6) No such device or address */
822 } else {
823
824 /* Valid device. Get a message frame and construct the FW download message.
825 */
826 if ((mf = mpt_get_msg_frame(mptctl_id, iocp)) == NULL)
827 return -EAGAIN;
828 }
829
830 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT
831 "mptctl_do_fwdl called. mptctl_id = %xh.\n", iocp->name, mptctl_id));
832 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: kfwdl.bufp = %p\n",
833 iocp->name, ufwbuf));
834 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: kfwdl.fwlen = %d\n",
835 iocp->name, (int)fwlen));
836 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: kfwdl.ioc = %04xh\n",
837 iocp->name, ioc));
838
839 dlmsg = (FWDownload_t*) mf;
840 ptsge = (FWDownloadTCSGE_t *) &dlmsg->SGL;
841 sgOut = (char *) (ptsge + 1);
842
843 /*
844 * Construct f/w download request
845 */
846 dlmsg->ImageType = MPI_FW_DOWNLOAD_ITYPE_FW;
847 dlmsg->Reserved = 0;
848 dlmsg->ChainOffset = 0;
849 dlmsg->Function = MPI_FUNCTION_FW_DOWNLOAD;
850 dlmsg->Reserved1[0] = dlmsg->Reserved1[1] = dlmsg->Reserved1[2] = 0;
851 if (iocp->facts.MsgVersion >= MPI_VERSION_01_05)
852 dlmsg->MsgFlags = MPI_FW_DOWNLOAD_MSGFLGS_LAST_SEGMENT;
853 else
854 dlmsg->MsgFlags = 0;
855
856
857 /* Set up the Transaction SGE.
858 */
859 ptsge->Reserved = 0;
860 ptsge->ContextSize = 0;
861 ptsge->DetailsLength = 12;
862 ptsge->Flags = MPI_SGE_FLAGS_TRANSACTION_ELEMENT;
863 ptsge->Reserved_0100_Checksum = 0;
864 ptsge->ImageOffset = 0;
865 ptsge->ImageSize = cpu_to_le32(fwlen);
866
867 /* Add the SGL
868 */
869
870 /*
871 * Need to kmalloc area(s) for holding firmware image bytes.
872 * But we need to do it piece meal, using a proper
873 * scatter gather list (with 128kB MAX hunks).
874 *
875 * A practical limit here might be # of sg hunks that fit into
876 * a single IOC request frame; 12 or 8 (see below), so:
877 * For FC9xx: 12 x 128kB == 1.5 mB (max)
878 * For C1030: 8 x 128kB == 1 mB (max)
879 * We could support chaining, but things get ugly(ier:)
880 *
881 * Set the sge_offset to the start of the sgl (bytes).
882 */
883 sgdir = 0x04000000; /* IOC will READ from sys mem */
884 sge_offset = sizeof(MPIHeader_t) + sizeof(FWDownloadTCSGE_t);
885 if ((sgl = kbuf_alloc_2_sgl(fwlen, sgdir, sge_offset,
886 &numfrags, &buflist, &sgl_dma, iocp)) == NULL)
887 return -ENOMEM;
888
889 /*
890 * We should only need SGL with 2 simple_32bit entries (up to 256 kB)
891 * for FC9xx f/w image, but calculate max number of sge hunks
892 * we can fit into a request frame, and limit ourselves to that.
893 * (currently no chain support)
894 * maxfrags = (Request Size - FWdownload Size ) / Size of 32 bit SGE
895 * Request maxfrags
896 * 128 12
897 * 96 8
898 * 64 4
899 */
900 maxfrags = (iocp->req_sz - sizeof(MPIHeader_t) -
901 sizeof(FWDownloadTCSGE_t))
902 / iocp->SGE_size;
903 if (numfrags > maxfrags) {
904 ret = -EMLINK;
905 goto fwdl_out;
906 }
907
908 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: sgl buffer = %p, sgfrags = %d\n",
909 iocp->name, sgl, numfrags));
910
911 /*
912 * Parse SG list, copying sgl itself,
913 * plus f/w image hunks from user space as we go...
914 */
915 ret = -EFAULT;
916 sgIn = sgl;
917 bl = buflist;
918 for (i=0; i < numfrags; i++) {
919
920 /* Get the SGE type: 0 - TCSGE, 3 - Chain, 1 - Simple SGE
921 * Skip everything but Simple. If simple, copy from
922 * user space into kernel space.
923 * Note: we should not have anything but Simple as
924 * Chain SGE are illegal.
925 */
926 nib = (sgIn->FlagsLength & 0x30000000) >> 28;
927 if (nib == 0 || nib == 3) {
928 ;
929 } else if (sgIn->Address) {
930 iocp->add_sge(sgOut, sgIn->FlagsLength, sgIn->Address);
931 n++;
932 if (copy_from_user(bl->kptr, ufwbuf+fw_bytes_copied, bl->len)) {
933 printk(MYIOC_s_ERR_FMT "%s@%d::_ioctl_fwdl - "
934 "Unable to copy f/w buffer hunk#%d @ %p\n",
935 iocp->name, __FILE__, __LINE__, n, ufwbuf);
936 goto fwdl_out;
937 }
938 fw_bytes_copied += bl->len;
939 }
940 sgIn++;
941 bl++;
942 sgOut += iocp->SGE_size;
943 }
944
945 DBG_DUMP_FW_DOWNLOAD(iocp, (u32 *)mf, numfrags);
946
947 /*
948 * Finally, perform firmware download.
949 */
950 ReplyMsg = NULL;
951 SET_MGMT_MSG_CONTEXT(iocp->ioctl_cmds.msg_context, dlmsg->MsgContext);
952 INITIALIZE_MGMT_STATUS(iocp->ioctl_cmds.status)
953 mpt_put_msg_frame(mptctl_id, iocp, mf);
954
955 /* Now wait for the command to complete */
956 retry_wait:
957 timeleft = wait_for_completion_timeout(&iocp->ioctl_cmds.done, HZ*60);
958 if (!(iocp->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
959 ret = -ETIME;
960 printk(MYIOC_s_WARN_FMT "%s: failed\n", iocp->name, __func__);
961 if (iocp->ioctl_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
962 mpt_free_msg_frame(iocp, mf);
963 goto fwdl_out;
964 }
965 if (!timeleft) {
966 printk(MYIOC_s_WARN_FMT
967 "FW download timeout, doorbell=0x%08x\n",
968 iocp->name, mpt_GetIocState(iocp, 0));
969 mptctl_timeout_expired(iocp, mf);
970 } else
971 goto retry_wait;
972 goto fwdl_out;
973 }
974
975 if (!(iocp->ioctl_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
976 printk(MYIOC_s_WARN_FMT "%s: failed\n", iocp->name, __func__);
977 mpt_free_msg_frame(iocp, mf);
978 ret = -ENODATA;
979 goto fwdl_out;
980 }
981
982 if (sgl)
983 kfree_sgl(sgl, sgl_dma, buflist, iocp);
984
985 ReplyMsg = (pFWDownloadReply_t)iocp->ioctl_cmds.reply;
986 iocstat = le16_to_cpu(ReplyMsg->IOCStatus) & MPI_IOCSTATUS_MASK;
987 if (iocstat == MPI_IOCSTATUS_SUCCESS) {
988 printk(MYIOC_s_INFO_FMT "F/W update successful!\n", iocp->name);
989 return 0;
990 } else if (iocstat == MPI_IOCSTATUS_INVALID_FUNCTION) {
991 printk(MYIOC_s_WARN_FMT "Hmmm... F/W download not supported!?!\n",
992 iocp->name);
993 printk(MYIOC_s_WARN_FMT "(time to go bang on somebodies door)\n",
994 iocp->name);
995 return -EBADRQC;
996 } else if (iocstat == MPI_IOCSTATUS_BUSY) {
997 printk(MYIOC_s_WARN_FMT "IOC_BUSY!\n", iocp->name);
998 printk(MYIOC_s_WARN_FMT "(try again later?)\n", iocp->name);
999 return -EBUSY;
1000 } else {
1001 printk(MYIOC_s_WARN_FMT "ioctl_fwdl() returned [bad] status = %04xh\n",
1002 iocp->name, iocstat);
1003 printk(MYIOC_s_WARN_FMT "(bad VooDoo)\n", iocp->name);
1004 return -ENOMSG;
1005 }
1006 return 0;
1007
1008 fwdl_out:
1009
1010 CLEAR_MGMT_STATUS(iocp->ioctl_cmds.status);
1011 SET_MGMT_MSG_CONTEXT(iocp->ioctl_cmds.msg_context, 0);
1012 kfree_sgl(sgl, sgl_dma, buflist, iocp);
1013 return ret;
1014 }
1015
1016 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1017 /*
1018 * SGE Allocation routine
1019 *
1020 * Inputs: bytes - number of bytes to be transferred
1021 * sgdir - data direction
1022 * sge_offset - offset (in bytes) from the start of the request
1023 * frame to the first SGE
1024 * ioc - pointer to the mptadapter
1025 * Outputs: frags - number of scatter gather elements
1026 * blp - point to the buflist pointer
1027 * sglbuf_dma - pointer to the (dma) sgl
1028 * Returns: Null if failes
1029 * pointer to the (virtual) sgl if successful.
1030 */
1031 static MptSge_t *
1032 kbuf_alloc_2_sgl(int bytes, u32 sgdir, int sge_offset, int *frags,
1033 struct buflist **blp, dma_addr_t *sglbuf_dma, MPT_ADAPTER *ioc)
1034 {
1035 MptSge_t *sglbuf = NULL; /* pointer to array of SGE */
1036 /* and chain buffers */
1037 struct buflist *buflist = NULL; /* kernel routine */
1038 MptSge_t *sgl;
1039 int numfrags = 0;
1040 int fragcnt = 0;
1041 int alloc_sz = min(bytes,MAX_KMALLOC_SZ); // avoid kernel warning msg!
1042 int bytes_allocd = 0;
1043 int this_alloc;
1044 dma_addr_t pa; // phys addr
1045 int i, buflist_ent;
1046 int sg_spill = MAX_FRAGS_SPILL1;
1047 int dir;
1048 /* initialization */
1049 *frags = 0;
1050 *blp = NULL;
1051
1052 /* Allocate and initialize an array of kernel
1053 * structures for the SG elements.
1054 */
1055 i = MAX_SGL_BYTES / 8;
1056 buflist = kzalloc(i, GFP_USER);
1057 if (!buflist)
1058 return NULL;
1059 buflist_ent = 0;
1060
1061 /* Allocate a single block of memory to store the sg elements and
1062 * the chain buffers. The calling routine is responsible for
1063 * copying the data in this array into the correct place in the
1064 * request and chain buffers.
1065 */
1066 sglbuf = pci_alloc_consistent(ioc->pcidev, MAX_SGL_BYTES, sglbuf_dma);
1067 if (sglbuf == NULL)
1068 goto free_and_fail;
1069
1070 if (sgdir & 0x04000000)
1071 dir = PCI_DMA_TODEVICE;
1072 else
1073 dir = PCI_DMA_FROMDEVICE;
1074
1075 /* At start:
1076 * sgl = sglbuf = point to beginning of sg buffer
1077 * buflist_ent = 0 = first kernel structure
1078 * sg_spill = number of SGE that can be written before the first
1079 * chain element.
1080 *
1081 */
1082 sgl = sglbuf;
1083 sg_spill = ((ioc->req_sz - sge_offset)/ioc->SGE_size) - 1;
1084 while (bytes_allocd < bytes) {
1085 this_alloc = min(alloc_sz, bytes-bytes_allocd);
1086 buflist[buflist_ent].len = this_alloc;
1087 buflist[buflist_ent].kptr = pci_alloc_consistent(ioc->pcidev,
1088 this_alloc,
1089 &pa);
1090 if (buflist[buflist_ent].kptr == NULL) {
1091 alloc_sz = alloc_sz / 2;
1092 if (alloc_sz == 0) {
1093 printk(MYIOC_s_WARN_FMT "-SG: No can do - "
1094 "not enough memory! :-(\n", ioc->name);
1095 printk(MYIOC_s_WARN_FMT "-SG: (freeing %d frags)\n",
1096 ioc->name, numfrags);
1097 goto free_and_fail;
1098 }
1099 continue;
1100 } else {
1101 dma_addr_t dma_addr;
1102
1103 bytes_allocd += this_alloc;
1104 sgl->FlagsLength = (0x10000000|sgdir|this_alloc);
1105 dma_addr = pci_map_single(ioc->pcidev,
1106 buflist[buflist_ent].kptr, this_alloc, dir);
1107 sgl->Address = dma_addr;
1108
1109 fragcnt++;
1110 numfrags++;
1111 sgl++;
1112 buflist_ent++;
1113 }
1114
1115 if (bytes_allocd >= bytes)
1116 break;
1117
1118 /* Need to chain? */
1119 if (fragcnt == sg_spill) {
1120 printk(MYIOC_s_WARN_FMT
1121 "-SG: No can do - " "Chain required! :-(\n", ioc->name);
1122 printk(MYIOC_s_WARN_FMT "(freeing %d frags)\n", ioc->name, numfrags);
1123 goto free_and_fail;
1124 }
1125
1126 /* overflow check... */
1127 if (numfrags*8 > MAX_SGL_BYTES){
1128 /* GRRRRR... */
1129 printk(MYIOC_s_WARN_FMT "-SG: No can do - "
1130 "too many SG frags! :-(\n", ioc->name);
1131 printk(MYIOC_s_WARN_FMT "-SG: (freeing %d frags)\n",
1132 ioc->name, numfrags);
1133 goto free_and_fail;
1134 }
1135 }
1136
1137 /* Last sge fixup: set LE+eol+eob bits */
1138 sgl[-1].FlagsLength |= 0xC1000000;
1139
1140 *frags = numfrags;
1141 *blp = buflist;
1142
1143 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "-SG: kbuf_alloc_2_sgl() - "
1144 "%d SG frags generated!\n", ioc->name, numfrags));
1145
1146 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "-SG: kbuf_alloc_2_sgl() - "
1147 "last (big) alloc_sz=%d\n", ioc->name, alloc_sz));
1148
1149 return sglbuf;
1150
1151 free_and_fail:
1152 if (sglbuf != NULL) {
1153 for (i = 0; i < numfrags; i++) {
1154 dma_addr_t dma_addr;
1155 u8 *kptr;
1156 int len;
1157
1158 if ((sglbuf[i].FlagsLength >> 24) == 0x30)
1159 continue;
1160
1161 dma_addr = sglbuf[i].Address;
1162 kptr = buflist[i].kptr;
1163 len = buflist[i].len;
1164
1165 pci_free_consistent(ioc->pcidev, len, kptr, dma_addr);
1166 }
1167 pci_free_consistent(ioc->pcidev, MAX_SGL_BYTES, sglbuf, *sglbuf_dma);
1168 }
1169 kfree(buflist);
1170 return NULL;
1171 }
1172
1173 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1174 /*
1175 * Routine to free the SGL elements.
1176 */
1177 static void
1178 kfree_sgl(MptSge_t *sgl, dma_addr_t sgl_dma, struct buflist *buflist, MPT_ADAPTER *ioc)
1179 {
1180 MptSge_t *sg = sgl;
1181 struct buflist *bl = buflist;
1182 u32 nib;
1183 int dir;
1184 int n = 0;
1185
1186 if (sg->FlagsLength & 0x04000000)
1187 dir = PCI_DMA_TODEVICE;
1188 else
1189 dir = PCI_DMA_FROMDEVICE;
1190
1191 nib = (sg->FlagsLength & 0xF0000000) >> 28;
1192 while (! (nib & 0x4)) { /* eob */
1193 /* skip ignore/chain. */
1194 if (nib == 0 || nib == 3) {
1195 ;
1196 } else if (sg->Address) {
1197 dma_addr_t dma_addr;
1198 void *kptr;
1199 int len;
1200
1201 dma_addr = sg->Address;
1202 kptr = bl->kptr;
1203 len = bl->len;
1204 pci_unmap_single(ioc->pcidev, dma_addr, len, dir);
1205 pci_free_consistent(ioc->pcidev, len, kptr, dma_addr);
1206 n++;
1207 }
1208 sg++;
1209 bl++;
1210 nib = (le32_to_cpu(sg->FlagsLength) & 0xF0000000) >> 28;
1211 }
1212
1213 /* we're at eob! */
1214 if (sg->Address) {
1215 dma_addr_t dma_addr;
1216 void *kptr;
1217 int len;
1218
1219 dma_addr = sg->Address;
1220 kptr = bl->kptr;
1221 len = bl->len;
1222 pci_unmap_single(ioc->pcidev, dma_addr, len, dir);
1223 pci_free_consistent(ioc->pcidev, len, kptr, dma_addr);
1224 n++;
1225 }
1226
1227 pci_free_consistent(ioc->pcidev, MAX_SGL_BYTES, sgl, sgl_dma);
1228 kfree(buflist);
1229 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "-SG: Free'd 1 SGL buf + %d kbufs!\n",
1230 ioc->name, n));
1231 }
1232
1233 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1234 /*
1235 * mptctl_getiocinfo - Query the host adapter for IOC information.
1236 * @arg: User space argument
1237 *
1238 * Outputs: None.
1239 * Return: 0 if successful
1240 * -EFAULT if data unavailable
1241 * -ENODEV if no such device/adapter
1242 */
1243 static int
1244 mptctl_getiocinfo (unsigned long arg, unsigned int data_size)
1245 {
1246 struct mpt_ioctl_iocinfo __user *uarg = (void __user *) arg;
1247 struct mpt_ioctl_iocinfo *karg;
1248 MPT_ADAPTER *ioc;
1249 struct pci_dev *pdev;
1250 int iocnum;
1251 unsigned int port;
1252 int cim_rev;
1253 struct scsi_device *sdev;
1254 VirtDevice *vdevice;
1255
1256 /* Add of PCI INFO results in unaligned access for
1257 * IA64 and Sparc. Reset long to int. Return no PCI
1258 * data for obsolete format.
1259 */
1260 if (data_size == sizeof(struct mpt_ioctl_iocinfo_rev0))
1261 cim_rev = 0;
1262 else if (data_size == sizeof(struct mpt_ioctl_iocinfo_rev1))
1263 cim_rev = 1;
1264 else if (data_size == sizeof(struct mpt_ioctl_iocinfo))
1265 cim_rev = 2;
1266 else if (data_size == (sizeof(struct mpt_ioctl_iocinfo_rev0)+12))
1267 cim_rev = 0; /* obsolete */
1268 else
1269 return -EFAULT;
1270
1271 karg = kmalloc(data_size, GFP_KERNEL);
1272 if (karg == NULL) {
1273 printk(KERN_ERR MYNAM "%s::mpt_ioctl_iocinfo() @%d - no memory available!\n",
1274 __FILE__, __LINE__);
1275 return -ENOMEM;
1276 }
1277
1278 if (copy_from_user(karg, uarg, data_size)) {
1279 printk(KERN_ERR MYNAM "%s@%d::mptctl_getiocinfo - "
1280 "Unable to read in mpt_ioctl_iocinfo struct @ %p\n",
1281 __FILE__, __LINE__, uarg);
1282 kfree(karg);
1283 return -EFAULT;
1284 }
1285
1286 if (((iocnum = mpt_verify_adapter(karg->hdr.iocnum, &ioc)) < 0) ||
1287 (ioc == NULL)) {
1288 printk(KERN_DEBUG MYNAM "%s::mptctl_getiocinfo() @%d - ioc%d not found!\n",
1289 __FILE__, __LINE__, iocnum);
1290 kfree(karg);
1291 return -ENODEV;
1292 }
1293
1294 /* Verify the data transfer size is correct. */
1295 if (karg->hdr.maxDataSize != data_size) {
1296 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_getiocinfo - "
1297 "Structure size mismatch. Command not completed.\n",
1298 ioc->name, __FILE__, __LINE__);
1299 kfree(karg);
1300 return -EFAULT;
1301 }
1302
1303 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_getiocinfo called.\n",
1304 ioc->name));
1305
1306 /* Fill in the data and return the structure to the calling
1307 * program
1308 */
1309 if (ioc->bus_type == SAS)
1310 karg->adapterType = MPT_IOCTL_INTERFACE_SAS;
1311 else if (ioc->bus_type == FC)
1312 karg->adapterType = MPT_IOCTL_INTERFACE_FC;
1313 else
1314 karg->adapterType = MPT_IOCTL_INTERFACE_SCSI;
1315
1316 if (karg->hdr.port > 1) {
1317 kfree(karg);
1318 return -EINVAL;
1319 }
1320 port = karg->hdr.port;
1321
1322 karg->port = port;
1323 pdev = (struct pci_dev *) ioc->pcidev;
1324
1325 karg->pciId = pdev->device;
1326 karg->hwRev = pdev->revision;
1327 karg->subSystemDevice = pdev->subsystem_device;
1328 karg->subSystemVendor = pdev->subsystem_vendor;
1329
1330 if (cim_rev == 1) {
1331 /* Get the PCI bus, device, and function numbers for the IOC
1332 */
1333 karg->pciInfo.u.bits.busNumber = pdev->bus->number;
1334 karg->pciInfo.u.bits.deviceNumber = PCI_SLOT( pdev->devfn );
1335 karg->pciInfo.u.bits.functionNumber = PCI_FUNC( pdev->devfn );
1336 } else if (cim_rev == 2) {
1337 /* Get the PCI bus, device, function and segment ID numbers
1338 for the IOC */
1339 karg->pciInfo.u.bits.busNumber = pdev->bus->number;
1340 karg->pciInfo.u.bits.deviceNumber = PCI_SLOT( pdev->devfn );
1341 karg->pciInfo.u.bits.functionNumber = PCI_FUNC( pdev->devfn );
1342 karg->pciInfo.segmentID = pci_domain_nr(pdev->bus);
1343 }
1344
1345 /* Get number of devices
1346 */
1347 karg->numDevices = 0;
1348 if (ioc->sh) {
1349 shost_for_each_device(sdev, ioc->sh) {
1350 vdevice = sdev->hostdata;
1351 if (vdevice == NULL || vdevice->vtarget == NULL)
1352 continue;
1353 if (vdevice->vtarget->tflags &
1354 MPT_TARGET_FLAGS_RAID_COMPONENT)
1355 continue;
1356 karg->numDevices++;
1357 }
1358 }
1359
1360 /* Set the BIOS and FW Version
1361 */
1362 karg->FWVersion = ioc->facts.FWVersion.Word;
1363 karg->BIOSVersion = ioc->biosVersion;
1364
1365 /* Set the Version Strings.
1366 */
1367 strncpy (karg->driverVersion, MPT_LINUX_PACKAGE_NAME, MPT_IOCTL_VERSION_LENGTH);
1368 karg->driverVersion[MPT_IOCTL_VERSION_LENGTH-1]='\0';
1369
1370 karg->busChangeEvent = 0;
1371 karg->hostId = ioc->pfacts[port].PortSCSIID;
1372 karg->rsvd[0] = karg->rsvd[1] = 0;
1373
1374 /* Copy the data from kernel memory to user memory
1375 */
1376 if (copy_to_user((char __user *)arg, karg, data_size)) {
1377 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_getiocinfo - "
1378 "Unable to write out mpt_ioctl_iocinfo struct @ %p\n",
1379 ioc->name, __FILE__, __LINE__, uarg);
1380 kfree(karg);
1381 return -EFAULT;
1382 }
1383
1384 kfree(karg);
1385 return 0;
1386 }
1387
1388 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1389 /*
1390 * mptctl_gettargetinfo - Query the host adapter for target information.
1391 * @arg: User space argument
1392 *
1393 * Outputs: None.
1394 * Return: 0 if successful
1395 * -EFAULT if data unavailable
1396 * -ENODEV if no such device/adapter
1397 */
1398 static int
1399 mptctl_gettargetinfo (unsigned long arg)
1400 {
1401 struct mpt_ioctl_targetinfo __user *uarg = (void __user *) arg;
1402 struct mpt_ioctl_targetinfo karg;
1403 MPT_ADAPTER *ioc;
1404 VirtDevice *vdevice;
1405 char *pmem;
1406 int *pdata;
1407 int iocnum;
1408 int numDevices = 0;
1409 int lun;
1410 int maxWordsLeft;
1411 int numBytes;
1412 u8 port;
1413 struct scsi_device *sdev;
1414
1415 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_targetinfo))) {
1416 printk(KERN_ERR MYNAM "%s@%d::mptctl_gettargetinfo - "
1417 "Unable to read in mpt_ioctl_targetinfo struct @ %p\n",
1418 __FILE__, __LINE__, uarg);
1419 return -EFAULT;
1420 }
1421
1422 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
1423 (ioc == NULL)) {
1424 printk(KERN_DEBUG MYNAM "%s::mptctl_gettargetinfo() @%d - ioc%d not found!\n",
1425 __FILE__, __LINE__, iocnum);
1426 return -ENODEV;
1427 }
1428
1429 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_gettargetinfo called.\n",
1430 ioc->name));
1431 /* Get the port number and set the maximum number of bytes
1432 * in the returned structure.
1433 * Ignore the port setting.
1434 */
1435 numBytes = karg.hdr.maxDataSize - sizeof(mpt_ioctl_header);
1436 maxWordsLeft = numBytes/sizeof(int);
1437 port = karg.hdr.port;
1438
1439 if (maxWordsLeft <= 0) {
1440 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo() - no memory available!\n",
1441 ioc->name, __FILE__, __LINE__);
1442 return -ENOMEM;
1443 }
1444
1445 /* Fill in the data and return the structure to the calling
1446 * program
1447 */
1448
1449 /* struct mpt_ioctl_targetinfo does not contain sufficient space
1450 * for the target structures so when the IOCTL is called, there is
1451 * not sufficient stack space for the structure. Allocate memory,
1452 * populate the memory, copy back to the user, then free memory.
1453 * targetInfo format:
1454 * bits 31-24: reserved
1455 * 23-16: LUN
1456 * 15- 8: Bus Number
1457 * 7- 0: Target ID
1458 */
1459 pmem = kzalloc(numBytes, GFP_KERNEL);
1460 if (!pmem) {
1461 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo() - no memory available!\n",
1462 ioc->name, __FILE__, __LINE__);
1463 return -ENOMEM;
1464 }
1465 pdata = (int *) pmem;
1466
1467 /* Get number of devices
1468 */
1469 if (ioc->sh){
1470 shost_for_each_device(sdev, ioc->sh) {
1471 if (!maxWordsLeft)
1472 continue;
1473 vdevice = sdev->hostdata;
1474 if (vdevice == NULL || vdevice->vtarget == NULL)
1475 continue;
1476 if (vdevice->vtarget->tflags &
1477 MPT_TARGET_FLAGS_RAID_COMPONENT)
1478 continue;
1479 lun = (vdevice->vtarget->raidVolume) ? 0x80 : vdevice->lun;
1480 *pdata = (((u8)lun << 16) + (vdevice->vtarget->channel << 8) +
1481 (vdevice->vtarget->id ));
1482 pdata++;
1483 numDevices++;
1484 --maxWordsLeft;
1485 }
1486 }
1487 karg.numDevices = numDevices;
1488
1489 /* Copy part of the data from kernel memory to user memory
1490 */
1491 if (copy_to_user((char __user *)arg, &karg,
1492 sizeof(struct mpt_ioctl_targetinfo))) {
1493 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo - "
1494 "Unable to write out mpt_ioctl_targetinfo struct @ %p\n",
1495 ioc->name, __FILE__, __LINE__, uarg);
1496 kfree(pmem);
1497 return -EFAULT;
1498 }
1499
1500 /* Copy the remaining data from kernel memory to user memory
1501 */
1502 if (copy_to_user(uarg->targetInfo, pmem, numBytes)) {
1503 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo - "
1504 "Unable to write out mpt_ioctl_targetinfo struct @ %p\n",
1505 ioc->name, __FILE__, __LINE__, pdata);
1506 kfree(pmem);
1507 return -EFAULT;
1508 }
1509
1510 kfree(pmem);
1511
1512 return 0;
1513 }
1514
1515 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1516 /* MPT IOCTL Test function.
1517 *
1518 * Outputs: None.
1519 * Return: 0 if successful
1520 * -EFAULT if data unavailable
1521 * -ENODEV if no such device/adapter
1522 */
1523 static int
1524 mptctl_readtest (unsigned long arg)
1525 {
1526 struct mpt_ioctl_test __user *uarg = (void __user *) arg;
1527 struct mpt_ioctl_test karg;
1528 MPT_ADAPTER *ioc;
1529 int iocnum;
1530
1531 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_test))) {
1532 printk(KERN_ERR MYNAM "%s@%d::mptctl_readtest - "
1533 "Unable to read in mpt_ioctl_test struct @ %p\n",
1534 __FILE__, __LINE__, uarg);
1535 return -EFAULT;
1536 }
1537
1538 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
1539 (ioc == NULL)) {
1540 printk(KERN_DEBUG MYNAM "%s::mptctl_readtest() @%d - ioc%d not found!\n",
1541 __FILE__, __LINE__, iocnum);
1542 return -ENODEV;
1543 }
1544
1545 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_readtest called.\n",
1546 ioc->name));
1547 /* Fill in the data and return the structure to the calling
1548 * program
1549 */
1550
1551 #ifdef MFCNT
1552 karg.chip_type = ioc->mfcnt;
1553 #else
1554 karg.chip_type = ioc->pcidev->device;
1555 #endif
1556 strncpy (karg.name, ioc->name, MPT_MAX_NAME);
1557 karg.name[MPT_MAX_NAME-1]='\0';
1558 strncpy (karg.product, ioc->prod_name, MPT_PRODUCT_LENGTH);
1559 karg.product[MPT_PRODUCT_LENGTH-1]='\0';
1560
1561 /* Copy the data from kernel memory to user memory
1562 */
1563 if (copy_to_user((char __user *)arg, &karg, sizeof(struct mpt_ioctl_test))) {
1564 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_readtest - "
1565 "Unable to write out mpt_ioctl_test struct @ %p\n",
1566 ioc->name, __FILE__, __LINE__, uarg);
1567 return -EFAULT;
1568 }
1569
1570 return 0;
1571 }
1572
1573 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1574 /*
1575 * mptctl_eventquery - Query the host adapter for the event types
1576 * that are being logged.
1577 * @arg: User space argument
1578 *
1579 * Outputs: None.
1580 * Return: 0 if successful
1581 * -EFAULT if data unavailable
1582 * -ENODEV if no such device/adapter
1583 */
1584 static int
1585 mptctl_eventquery (unsigned long arg)
1586 {
1587 struct mpt_ioctl_eventquery __user *uarg = (void __user *) arg;
1588 struct mpt_ioctl_eventquery karg;
1589 MPT_ADAPTER *ioc;
1590 int iocnum;
1591
1592 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventquery))) {
1593 printk(KERN_ERR MYNAM "%s@%d::mptctl_eventquery - "
1594 "Unable to read in mpt_ioctl_eventquery struct @ %p\n",
1595 __FILE__, __LINE__, uarg);
1596 return -EFAULT;
1597 }
1598
1599 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
1600 (ioc == NULL)) {
1601 printk(KERN_DEBUG MYNAM "%s::mptctl_eventquery() @%d - ioc%d not found!\n",
1602 __FILE__, __LINE__, iocnum);
1603 return -ENODEV;
1604 }
1605
1606 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_eventquery called.\n",
1607 ioc->name));
1608 karg.eventEntries = MPTCTL_EVENT_LOG_SIZE;
1609 karg.eventTypes = ioc->eventTypes;
1610
1611 /* Copy the data from kernel memory to user memory
1612 */
1613 if (copy_to_user((char __user *)arg, &karg, sizeof(struct mpt_ioctl_eventquery))) {
1614 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_eventquery - "
1615 "Unable to write out mpt_ioctl_eventquery struct @ %p\n",
1616 ioc->name, __FILE__, __LINE__, uarg);
1617 return -EFAULT;
1618 }
1619 return 0;
1620 }
1621
1622 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1623 static int
1624 mptctl_eventenable (unsigned long arg)
1625 {
1626 struct mpt_ioctl_eventenable __user *uarg = (void __user *) arg;
1627 struct mpt_ioctl_eventenable karg;
1628 MPT_ADAPTER *ioc;
1629 int iocnum;
1630
1631 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventenable))) {
1632 printk(KERN_ERR MYNAM "%s@%d::mptctl_eventenable - "
1633 "Unable to read in mpt_ioctl_eventenable struct @ %p\n",
1634 __FILE__, __LINE__, uarg);
1635 return -EFAULT;
1636 }
1637
1638 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
1639 (ioc == NULL)) {
1640 printk(KERN_DEBUG MYNAM "%s::mptctl_eventenable() @%d - ioc%d not found!\n",
1641 __FILE__, __LINE__, iocnum);
1642 return -ENODEV;
1643 }
1644
1645 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_eventenable called.\n",
1646 ioc->name));
1647 if (ioc->events == NULL) {
1648 /* Have not yet allocated memory - do so now.
1649 */
1650 int sz = MPTCTL_EVENT_LOG_SIZE * sizeof(MPT_IOCTL_EVENTS);
1651 ioc->events = kzalloc(sz, GFP_KERNEL);
1652 if (!ioc->events) {
1653 printk(MYIOC_s_ERR_FMT
1654 ": ERROR - Insufficient memory to add adapter!\n",
1655 ioc->name);
1656 return -ENOMEM;
1657 }
1658 ioc->alloc_total += sz;
1659
1660 ioc->eventContext = 0;
1661 }
1662
1663 /* Update the IOC event logging flag.
1664 */
1665 ioc->eventTypes = karg.eventTypes;
1666
1667 return 0;
1668 }
1669
1670 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1671 static int
1672 mptctl_eventreport (unsigned long arg)
1673 {
1674 struct mpt_ioctl_eventreport __user *uarg = (void __user *) arg;
1675 struct mpt_ioctl_eventreport karg;
1676 MPT_ADAPTER *ioc;
1677 int iocnum;
1678 int numBytes, maxEvents, max;
1679
1680 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventreport))) {
1681 printk(KERN_ERR MYNAM "%s@%d::mptctl_eventreport - "
1682 "Unable to read in mpt_ioctl_eventreport struct @ %p\n",
1683 __FILE__, __LINE__, uarg);
1684 return -EFAULT;
1685 }
1686
1687 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
1688 (ioc == NULL)) {
1689 printk(KERN_DEBUG MYNAM "%s::mptctl_eventreport() @%d - ioc%d not found!\n",
1690 __FILE__, __LINE__, iocnum);
1691 return -ENODEV;
1692 }
1693 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_eventreport called.\n",
1694 ioc->name));
1695
1696 numBytes = karg.hdr.maxDataSize - sizeof(mpt_ioctl_header);
1697 maxEvents = numBytes/sizeof(MPT_IOCTL_EVENTS);
1698
1699
1700 max = MPTCTL_EVENT_LOG_SIZE < maxEvents ? MPTCTL_EVENT_LOG_SIZE : maxEvents;
1701
1702 /* If fewer than 1 event is requested, there must have
1703 * been some type of error.
1704 */
1705 if ((max < 1) || !ioc->events)
1706 return -ENODATA;
1707
1708 /* reset this flag so SIGIO can restart */
1709 ioc->aen_event_read_flag=0;
1710
1711 /* Copy the data from kernel memory to user memory
1712 */
1713 numBytes = max * sizeof(MPT_IOCTL_EVENTS);
1714 if (copy_to_user(uarg->eventData, ioc->events, numBytes)) {
1715 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_eventreport - "
1716 "Unable to write out mpt_ioctl_eventreport struct @ %p\n",
1717 ioc->name, __FILE__, __LINE__, ioc->events);
1718 return -EFAULT;
1719 }
1720
1721 return 0;
1722 }
1723
1724 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1725 static int
1726 mptctl_replace_fw (unsigned long arg)
1727 {
1728 struct mpt_ioctl_replace_fw __user *uarg = (void __user *) arg;
1729 struct mpt_ioctl_replace_fw karg;
1730 MPT_ADAPTER *ioc;
1731 int iocnum;
1732 int newFwSize;
1733
1734 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_replace_fw))) {
1735 printk(KERN_ERR MYNAM "%s@%d::mptctl_replace_fw - "
1736 "Unable to read in mpt_ioctl_replace_fw struct @ %p\n",
1737 __FILE__, __LINE__, uarg);
1738 return -EFAULT;
1739 }
1740
1741 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
1742 (ioc == NULL)) {
1743 printk(KERN_DEBUG MYNAM "%s::mptctl_replace_fw() @%d - ioc%d not found!\n",
1744 __FILE__, __LINE__, iocnum);
1745 return -ENODEV;
1746 }
1747
1748 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_replace_fw called.\n",
1749 ioc->name));
1750 /* If caching FW, Free the old FW image
1751 */
1752 if (ioc->cached_fw == NULL)
1753 return 0;
1754
1755 mpt_free_fw_memory(ioc);
1756
1757 /* Allocate memory for the new FW image
1758 */
1759 newFwSize = karg.newImageSize;
1760
1761 if (newFwSize & 0x01)
1762 newFwSize += 1;
1763 if (newFwSize & 0x02)
1764 newFwSize += 2;
1765
1766 mpt_alloc_fw_memory(ioc, newFwSize);
1767 if (ioc->cached_fw == NULL)
1768 return -ENOMEM;
1769
1770 /* Copy the data from user memory to kernel space
1771 */
1772 if (copy_from_user(ioc->cached_fw, uarg->newImage, newFwSize)) {
1773 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_replace_fw - "
1774 "Unable to read in mpt_ioctl_replace_fw image "
1775 "@ %p\n", ioc->name, __FILE__, __LINE__, uarg);
1776 mpt_free_fw_memory(ioc);
1777 return -EFAULT;
1778 }
1779
1780 /* Update IOCFactsReply
1781 */
1782 ioc->facts.FWImageSize = newFwSize;
1783 return 0;
1784 }
1785
1786 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1787 /* MPT IOCTL MPTCOMMAND function.
1788 * Cast the arg into the mpt_ioctl_mpt_command structure.
1789 *
1790 * Outputs: None.
1791 * Return: 0 if successful
1792 * -EBUSY if previous command timeout and IOC reset is not complete.
1793 * -EFAULT if data unavailable
1794 * -ENODEV if no such device/adapter
1795 * -ETIME if timer expires
1796 * -ENOMEM if memory allocation error
1797 */
1798 static int
1799 mptctl_mpt_command (unsigned long arg)
1800 {
1801 struct mpt_ioctl_command __user *uarg = (void __user *) arg;
1802 struct mpt_ioctl_command karg;
1803 MPT_ADAPTER *ioc;
1804 int iocnum;
1805 int rc;
1806
1807
1808 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_command))) {
1809 printk(KERN_ERR MYNAM "%s@%d::mptctl_mpt_command - "
1810 "Unable to read in mpt_ioctl_command struct @ %p\n",
1811 __FILE__, __LINE__, uarg);
1812 return -EFAULT;
1813 }
1814
1815 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
1816 (ioc == NULL)) {
1817 printk(KERN_DEBUG MYNAM "%s::mptctl_mpt_command() @%d - ioc%d not found!\n",
1818 __FILE__, __LINE__, iocnum);
1819 return -ENODEV;
1820 }
1821
1822 rc = mptctl_do_mpt_command (karg, &uarg->MF);
1823
1824 return rc;
1825 }
1826
1827 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1828 /* Worker routine for the IOCTL MPTCOMMAND and MPTCOMMAND32 (sparc) commands.
1829 *
1830 * Outputs: None.
1831 * Return: 0 if successful
1832 * -EBUSY if previous command timeout and IOC reset is not complete.
1833 * -EFAULT if data unavailable
1834 * -ENODEV if no such device/adapter
1835 * -ETIME if timer expires
1836 * -ENOMEM if memory allocation error
1837 * -EPERM if SCSI I/O and target is untagged
1838 */
1839 static int
1840 mptctl_do_mpt_command (struct mpt_ioctl_command karg, void __user *mfPtr)
1841 {
1842 MPT_ADAPTER *ioc;
1843 MPT_FRAME_HDR *mf = NULL;
1844 MPIHeader_t *hdr;
1845 char *psge;
1846 struct buflist bufIn; /* data In buffer */
1847 struct buflist bufOut; /* data Out buffer */
1848 dma_addr_t dma_addr_in;
1849 dma_addr_t dma_addr_out;
1850 int sgSize = 0; /* Num SG elements */
1851 int iocnum, flagsLength;
1852 int sz, rc = 0;
1853 int msgContext;
1854 u16 req_idx;
1855 ulong timeout;
1856 unsigned long timeleft;
1857 struct scsi_device *sdev;
1858 unsigned long flags;
1859 u8 function;
1860
1861 /* bufIn and bufOut are used for user to kernel space transfers
1862 */
1863 bufIn.kptr = bufOut.kptr = NULL;
1864 bufIn.len = bufOut.len = 0;
1865
1866 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
1867 (ioc == NULL)) {
1868 printk(KERN_DEBUG MYNAM "%s::mptctl_do_mpt_command() @%d - ioc%d not found!\n",
1869 __FILE__, __LINE__, iocnum);
1870 return -ENODEV;
1871 }
1872
1873 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
1874 if (ioc->ioc_reset_in_progress) {
1875 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
1876 printk(KERN_ERR MYNAM "%s@%d::mptctl_do_mpt_command - "
1877 "Busy with diagnostic reset\n", __FILE__, __LINE__);
1878 return -EBUSY;
1879 }
1880 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
1881
1882 /* Verify that the final request frame will not be too large.
1883 */
1884 sz = karg.dataSgeOffset * 4;
1885 if (karg.dataInSize > 0)
1886 sz += ioc->SGE_size;
1887 if (karg.dataOutSize > 0)
1888 sz += ioc->SGE_size;
1889
1890 if (sz > ioc->req_sz) {
1891 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
1892 "Request frame too large (%d) maximum (%d)\n",
1893 ioc->name, __FILE__, __LINE__, sz, ioc->req_sz);
1894 return -EFAULT;
1895 }
1896
1897 /* Get a free request frame and save the message context.
1898 */
1899 if ((mf = mpt_get_msg_frame(mptctl_id, ioc)) == NULL)
1900 return -EAGAIN;
1901
1902 hdr = (MPIHeader_t *) mf;
1903 msgContext = le32_to_cpu(hdr->MsgContext);
1904 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1905
1906 /* Copy the request frame
1907 * Reset the saved message context.
1908 * Request frame in user space
1909 */
1910 if (copy_from_user(mf, mfPtr, karg.dataSgeOffset * 4)) {
1911 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
1912 "Unable to read MF from mpt_ioctl_command struct @ %p\n",
1913 ioc->name, __FILE__, __LINE__, mfPtr);
1914 function = -1;
1915 rc = -EFAULT;
1916 goto done_free_mem;
1917 }
1918 hdr->MsgContext = cpu_to_le32(msgContext);
1919 function = hdr->Function;
1920
1921
1922 /* Verify that this request is allowed.
1923 */
1924 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sending mpi function (0x%02X), req=%p\n",
1925 ioc->name, hdr->Function, mf));
1926
1927 switch (function) {
1928 case MPI_FUNCTION_IOC_FACTS:
1929 case MPI_FUNCTION_PORT_FACTS:
1930 karg.dataOutSize = karg.dataInSize = 0;
1931 break;
1932
1933 case MPI_FUNCTION_CONFIG:
1934 {
1935 Config_t *config_frame;
1936 config_frame = (Config_t *)mf;
1937 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\ttype=0x%02x ext_type=0x%02x "
1938 "number=0x%02x action=0x%02x\n", ioc->name,
1939 config_frame->Header.PageType,
1940 config_frame->ExtPageType,
1941 config_frame->Header.PageNumber,
1942 config_frame->Action));
1943 break;
1944 }
1945
1946 case MPI_FUNCTION_FC_COMMON_TRANSPORT_SEND:
1947 case MPI_FUNCTION_FC_EX_LINK_SRVC_SEND:
1948 case MPI_FUNCTION_FW_UPLOAD:
1949 case MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR:
1950 case MPI_FUNCTION_FW_DOWNLOAD:
1951 case MPI_FUNCTION_FC_PRIMITIVE_SEND:
1952 case MPI_FUNCTION_TOOLBOX:
1953 case MPI_FUNCTION_SAS_IO_UNIT_CONTROL:
1954 break;
1955
1956 case MPI_FUNCTION_SCSI_IO_REQUEST:
1957 if (ioc->sh) {
1958 SCSIIORequest_t *pScsiReq = (SCSIIORequest_t *) mf;
1959 int qtag = MPI_SCSIIO_CONTROL_UNTAGGED;
1960 int scsidir = 0;
1961 int dataSize;
1962 u32 id;
1963
1964 id = (ioc->devices_per_bus == 0) ? 256 : ioc->devices_per_bus;
1965 if (pScsiReq->TargetID > id) {
1966 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
1967 "Target ID out of bounds. \n",
1968 ioc->name, __FILE__, __LINE__);
1969 rc = -ENODEV;
1970 goto done_free_mem;
1971 }
1972
1973 if (pScsiReq->Bus >= ioc->number_of_buses) {
1974 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
1975 "Target Bus out of bounds. \n",
1976 ioc->name, __FILE__, __LINE__);
1977 rc = -ENODEV;
1978 goto done_free_mem;
1979 }
1980
1981 pScsiReq->MsgFlags &= ~MPI_SCSIIO_MSGFLGS_SENSE_WIDTH;
1982 pScsiReq->MsgFlags |= mpt_msg_flags(ioc);
1983
1984
1985 /* verify that app has not requested
1986 * more sense data than driver
1987 * can provide, if so, reset this parameter
1988 * set the sense buffer pointer low address
1989 * update the control field to specify Q type
1990 */
1991 if (karg.maxSenseBytes > MPT_SENSE_BUFFER_SIZE)
1992 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1993 else
1994 pScsiReq->SenseBufferLength = karg.maxSenseBytes;
1995
1996 pScsiReq->SenseBufferLowAddr =
1997 cpu_to_le32(ioc->sense_buf_low_dma
1998 + (req_idx * MPT_SENSE_BUFFER_ALLOC));
1999
2000 shost_for_each_device(sdev, ioc->sh) {
2001 struct scsi_target *starget = scsi_target(sdev);
2002 VirtTarget *vtarget = starget->hostdata;
2003
2004 if (vtarget == NULL)
2005 continue;
2006
2007 if ((pScsiReq->TargetID == vtarget->id) &&
2008 (pScsiReq->Bus == vtarget->channel) &&
2009 (vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
2010 qtag = MPI_SCSIIO_CONTROL_SIMPLEQ;
2011 }
2012
2013 /* Have the IOCTL driver set the direction based
2014 * on the dataOutSize (ordering issue with Sparc).
2015 */
2016 if (karg.dataOutSize > 0) {
2017 scsidir = MPI_SCSIIO_CONTROL_WRITE;
2018 dataSize = karg.dataOutSize;
2019 } else {
2020 scsidir = MPI_SCSIIO_CONTROL_READ;
2021 dataSize = karg.dataInSize;
2022 }
2023
2024 pScsiReq->Control = cpu_to_le32(scsidir | qtag);
2025 pScsiReq->DataLength = cpu_to_le32(dataSize);
2026
2027
2028 } else {
2029 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
2030 "SCSI driver is not loaded. \n",
2031 ioc->name, __FILE__, __LINE__);
2032 rc = -EFAULT;
2033 goto done_free_mem;
2034 }
2035 break;
2036
2037 case MPI_FUNCTION_SMP_PASSTHROUGH:
2038 /* Check mf->PassthruFlags to determine if
2039 * transfer is ImmediateMode or not.
2040 * Immediate mode returns data in the ReplyFrame.
2041 * Else, we are sending request and response data
2042 * in two SGLs at the end of the mf.
2043 */
2044 break;
2045
2046 case MPI_FUNCTION_SATA_PASSTHROUGH:
2047 if (!ioc->sh) {
2048 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
2049 "SCSI driver is not loaded. \n",
2050 ioc->name, __FILE__, __LINE__);
2051 rc = -EFAULT;
2052 goto done_free_mem;
2053 }
2054 break;
2055
2056 case MPI_FUNCTION_RAID_ACTION:
2057 /* Just add a SGE
2058 */
2059 break;
2060
2061 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH:
2062 if (ioc->sh) {
2063 SCSIIORequest_t *pScsiReq = (SCSIIORequest_t *) mf;
2064 int qtag = MPI_SCSIIO_CONTROL_SIMPLEQ;
2065 int scsidir = MPI_SCSIIO_CONTROL_READ;
2066 int dataSize;
2067
2068 pScsiReq->MsgFlags &= ~MPI_SCSIIO_MSGFLGS_SENSE_WIDTH;
2069 pScsiReq->MsgFlags |= mpt_msg_flags(ioc);
2070
2071
2072 /* verify that app has not requested
2073 * more sense data than driver
2074 * can provide, if so, reset this parameter
2075 * set the sense buffer pointer low address
2076 * update the control field to specify Q type
2077 */
2078 if (karg.maxSenseBytes > MPT_SENSE_BUFFER_SIZE)
2079 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
2080 else
2081 pScsiReq->SenseBufferLength = karg.maxSenseBytes;
2082
2083 pScsiReq->SenseBufferLowAddr =
2084 cpu_to_le32(ioc->sense_buf_low_dma
2085 + (req_idx * MPT_SENSE_BUFFER_ALLOC));
2086
2087 /* All commands to physical devices are tagged
2088 */
2089
2090 /* Have the IOCTL driver set the direction based
2091 * on the dataOutSize (ordering issue with Sparc).
2092 */
2093 if (karg.dataOutSize > 0) {
2094 scsidir = MPI_SCSIIO_CONTROL_WRITE;
2095 dataSize = karg.dataOutSize;
2096 } else {
2097 scsidir = MPI_SCSIIO_CONTROL_READ;
2098 dataSize = karg.dataInSize;
2099 }
2100
2101 pScsiReq->Control = cpu_to_le32(scsidir | qtag);
2102 pScsiReq->DataLength = cpu_to_le32(dataSize);
2103
2104 } else {
2105 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
2106 "SCSI driver is not loaded. \n",
2107 ioc->name, __FILE__, __LINE__);
2108 rc = -EFAULT;
2109 goto done_free_mem;
2110 }
2111 break;
2112
2113 case MPI_FUNCTION_SCSI_TASK_MGMT:
2114 {
2115 SCSITaskMgmt_t *pScsiTm;
2116 pScsiTm = (SCSITaskMgmt_t *)mf;
2117 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2118 "\tTaskType=0x%x MsgFlags=0x%x "
2119 "TaskMsgContext=0x%x id=%d channel=%d\n",
2120 ioc->name, pScsiTm->TaskType, le32_to_cpu
2121 (pScsiTm->TaskMsgContext), pScsiTm->MsgFlags,
2122 pScsiTm->TargetID, pScsiTm->Bus));
2123 break;
2124 }
2125
2126 case MPI_FUNCTION_IOC_INIT:
2127 {
2128 IOCInit_t *pInit = (IOCInit_t *) mf;
2129 u32 high_addr, sense_high;
2130
2131 /* Verify that all entries in the IOC INIT match
2132 * existing setup (and in LE format).
2133 */
2134 if (sizeof(dma_addr_t) == sizeof(u64)) {
2135 high_addr = cpu_to_le32((u32)((u64)ioc->req_frames_dma >> 32));
2136 sense_high= cpu_to_le32((u32)((u64)ioc->sense_buf_pool_dma >> 32));
2137 } else {
2138 high_addr = 0;
2139 sense_high= 0;
2140 }
2141
2142 if ((pInit->Flags != 0) || (pInit->MaxDevices != ioc->facts.MaxDevices) ||
2143 (pInit->MaxBuses != ioc->facts.MaxBuses) ||
2144 (pInit->ReplyFrameSize != cpu_to_le16(ioc->reply_sz)) ||
2145 (pInit->HostMfaHighAddr != high_addr) ||
2146 (pInit->SenseBufferHighAddr != sense_high)) {
2147 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
2148 "IOC_INIT issued with 1 or more incorrect parameters. Rejected.\n",
2149 ioc->name, __FILE__, __LINE__);
2150 rc = -EFAULT;
2151 goto done_free_mem;
2152 }
2153 }
2154 break;
2155 default:
2156 /*
2157 * MPI_FUNCTION_PORT_ENABLE
2158 * MPI_FUNCTION_TARGET_CMD_BUFFER_POST
2159 * MPI_FUNCTION_TARGET_ASSIST
2160 * MPI_FUNCTION_TARGET_STATUS_SEND
2161 * MPI_FUNCTION_TARGET_MODE_ABORT
2162 * MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET
2163 * MPI_FUNCTION_IO_UNIT_RESET
2164 * MPI_FUNCTION_HANDSHAKE
2165 * MPI_FUNCTION_REPLY_FRAME_REMOVAL
2166 * MPI_FUNCTION_EVENT_NOTIFICATION
2167 * (driver handles event notification)
2168 * MPI_FUNCTION_EVENT_ACK
2169 */
2170
2171 /* What to do with these??? CHECK ME!!!
2172 MPI_FUNCTION_FC_LINK_SRVC_BUF_POST
2173 MPI_FUNCTION_FC_LINK_SRVC_RSP
2174 MPI_FUNCTION_FC_ABORT
2175 MPI_FUNCTION_LAN_SEND
2176 MPI_FUNCTION_LAN_RECEIVE
2177 MPI_FUNCTION_LAN_RESET
2178 */
2179
2180 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
2181 "Illegal request (function 0x%x) \n",
2182 ioc->name, __FILE__, __LINE__, hdr->Function);
2183 rc = -EFAULT;
2184 goto done_free_mem;
2185 }
2186
2187 /* Add the SGL ( at most one data in SGE and one data out SGE )
2188 * In the case of two SGE's - the data out (write) will always
2189 * preceede the data in (read) SGE. psgList is used to free the
2190 * allocated memory.
2191 */
2192 psge = (char *) (((int *) mf) + karg.dataSgeOffset);
2193 flagsLength = 0;
2194
2195 if (karg.dataOutSize > 0)
2196 sgSize ++;
2197
2198 if (karg.dataInSize > 0)
2199 sgSize ++;
2200
2201 if (sgSize > 0) {
2202
2203 /* Set up the dataOut memory allocation */
2204 if (karg.dataOutSize > 0) {
2205 if (karg.dataInSize > 0) {
2206 flagsLength = ( MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2207 MPI_SGE_FLAGS_END_OF_BUFFER |
2208 MPI_SGE_FLAGS_DIRECTION)
2209 << MPI_SGE_FLAGS_SHIFT;
2210 } else {
2211 flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE;
2212 }
2213 flagsLength |= karg.dataOutSize;
2214 bufOut.len = karg.dataOutSize;
2215 bufOut.kptr = pci_alloc_consistent(
2216 ioc->pcidev, bufOut.len, &dma_addr_out);
2217
2218 if (bufOut.kptr == NULL) {
2219 rc = -ENOMEM;
2220 goto done_free_mem;
2221 } else {
2222 /* Set up this SGE.
2223 * Copy to MF and to sglbuf
2224 */
2225 ioc->add_sge(psge, flagsLength, dma_addr_out);
2226 psge += ioc->SGE_size;
2227
2228 /* Copy user data to kernel space.
2229 */
2230 if (copy_from_user(bufOut.kptr,
2231 karg.dataOutBufPtr,
2232 bufOut.len)) {
2233 printk(MYIOC_s_ERR_FMT
2234 "%s@%d::mptctl_do_mpt_command - Unable "
2235 "to read user data "
2236 "struct @ %p\n",
2237 ioc->name, __FILE__, __LINE__,karg.dataOutBufPtr);
2238 rc = -EFAULT;
2239 goto done_free_mem;
2240 }
2241 }
2242 }
2243
2244 if (karg.dataInSize > 0) {
2245 flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ;
2246 flagsLength |= karg.dataInSize;
2247
2248 bufIn.len = karg.dataInSize;
2249 bufIn.kptr = pci_alloc_consistent(ioc->pcidev,
2250 bufIn.len, &dma_addr_in);
2251
2252 if (bufIn.kptr == NULL) {
2253 rc = -ENOMEM;
2254 goto done_free_mem;
2255 } else {
2256 /* Set up this SGE
2257 * Copy to MF and to sglbuf
2258 */
2259 ioc->add_sge(psge, flagsLength, dma_addr_in);
2260 }
2261 }
2262 } else {
2263 /* Add a NULL SGE
2264 */
2265 ioc->add_sge(psge, flagsLength, (dma_addr_t) -1);
2266 }
2267
2268 SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context, hdr->MsgContext);
2269 INITIALIZE_MGMT_STATUS(ioc->ioctl_cmds.status)
2270 if (hdr->Function == MPI_FUNCTION_SCSI_TASK_MGMT) {
2271
2272 mutex_lock(&ioc->taskmgmt_cmds.mutex);
2273 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
2274 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
2275 goto done_free_mem;
2276 }
2277
2278 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)mf);
2279
2280 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
2281 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
2282 mpt_put_msg_frame_hi_pri(mptctl_id, ioc, mf);
2283 else {
2284 rc =mpt_send_handshake_request(mptctl_id, ioc,
2285 sizeof(SCSITaskMgmt_t), (u32*)mf, CAN_SLEEP);
2286 if (rc != 0) {
2287 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
2288 "send_handshake FAILED! (ioc %p, mf %p)\n",
2289 ioc->name, ioc, mf));
2290 mpt_clear_taskmgmt_in_progress_flag(ioc);
2291 rc = -ENODATA;
2292 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
2293 goto done_free_mem;
2294 }
2295 }
2296
2297 } else
2298 mpt_put_msg_frame(mptctl_id, ioc, mf);
2299
2300 /* Now wait for the command to complete */
2301 timeout = (karg.timeout > 0) ? karg.timeout : MPT_IOCTL_DEFAULT_TIMEOUT;
2302 retry_wait:
2303 timeleft = wait_for_completion_timeout(&ioc->ioctl_cmds.done,
2304 HZ*timeout);
2305 if (!(ioc->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2306 rc = -ETIME;
2307 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "%s: TIMED OUT!\n",
2308 ioc->name, __func__));
2309 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
2310 if (function == MPI_FUNCTION_SCSI_TASK_MGMT)
2311 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
2312 goto done_free_mem;
2313 }
2314 if (!timeleft) {
2315 printk(MYIOC_s_WARN_FMT
2316 "mpt cmd timeout, doorbell=0x%08x"
2317 " function=0x%x\n",
2318 ioc->name, mpt_GetIocState(ioc, 0), function);
2319 if (function == MPI_FUNCTION_SCSI_TASK_MGMT)
2320 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
2321 mptctl_timeout_expired(ioc, mf);
2322 mf = NULL;
2323 } else
2324 goto retry_wait;
2325 goto done_free_mem;
2326 }
2327
2328 if (function == MPI_FUNCTION_SCSI_TASK_MGMT)
2329 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
2330
2331
2332 mf = NULL;
2333
2334 /* If a valid reply frame, copy to the user.
2335 * Offset 2: reply length in U32's
2336 */
2337 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_RF_VALID) {
2338 if (karg.maxReplyBytes < ioc->reply_sz) {
2339 sz = min(karg.maxReplyBytes,
2340 4*ioc->ioctl_cmds.reply[2]);
2341 } else {
2342 sz = min(ioc->reply_sz, 4*ioc->ioctl_cmds.reply[2]);
2343 }
2344 if (sz > 0) {
2345 if (copy_to_user(karg.replyFrameBufPtr,
2346 ioc->ioctl_cmds.reply, sz)){
2347 printk(MYIOC_s_ERR_FMT
2348 "%s@%d::mptctl_do_mpt_command - "
2349 "Unable to write out reply frame %p\n",
2350 ioc->name, __FILE__, __LINE__, karg.replyFrameBufPtr);
2351 rc = -ENODATA;
2352 goto done_free_mem;
2353 }
2354 }
2355 }
2356
2357 /* If valid sense data, copy to user.
2358 */
2359 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_SENSE_VALID) {
2360 sz = min(karg.maxSenseBytes, MPT_SENSE_BUFFER_SIZE);
2361 if (sz > 0) {
2362 if (copy_to_user(karg.senseDataPtr,
2363 ioc->ioctl_cmds.sense, sz)) {
2364 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
2365 "Unable to write sense data to user %p\n",
2366 ioc->name, __FILE__, __LINE__,
2367 karg.senseDataPtr);
2368 rc = -ENODATA;
2369 goto done_free_mem;
2370 }
2371 }
2372 }
2373
2374 /* If the overall status is _GOOD and data in, copy data
2375 * to user.
2376 */
2377 if ((ioc->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD) &&
2378 (karg.dataInSize > 0) && (bufIn.kptr)) {
2379
2380 if (copy_to_user(karg.dataInBufPtr,
2381 bufIn.kptr, karg.dataInSize)) {
2382 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
2383 "Unable to write data to user %p\n",
2384 ioc->name, __FILE__, __LINE__,
2385 karg.dataInBufPtr);
2386 rc = -ENODATA;
2387 }
2388 }
2389
2390 done_free_mem:
2391
2392 CLEAR_MGMT_STATUS(ioc->ioctl_cmds.status)
2393 SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context, 0);
2394
2395 /* Free the allocated memory.
2396 */
2397 if (bufOut.kptr != NULL) {
2398 pci_free_consistent(ioc->pcidev,
2399 bufOut.len, (void *) bufOut.kptr, dma_addr_out);
2400 }
2401
2402 if (bufIn.kptr != NULL) {
2403 pci_free_consistent(ioc->pcidev,
2404 bufIn.len, (void *) bufIn.kptr, dma_addr_in);
2405 }
2406
2407 /* mf is null if command issued successfully
2408 * otherwise, failure occurred after mf acquired.
2409 */
2410 if (mf)
2411 mpt_free_msg_frame(ioc, mf);
2412
2413 return rc;
2414 }
2415
2416 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2417 /* Prototype Routine for the HOST INFO command.
2418 *
2419 * Outputs: None.
2420 * Return: 0 if successful
2421 * -EFAULT if data unavailable
2422 * -EBUSY if previous command timeout and IOC reset is not complete.
2423 * -ENODEV if no such device/adapter
2424 * -ETIME if timer expires
2425 * -ENOMEM if memory allocation error
2426 */
2427 static int
2428 mptctl_hp_hostinfo(unsigned long arg, unsigned int data_size)
2429 {
2430 hp_host_info_t __user *uarg = (void __user *) arg;
2431 MPT_ADAPTER *ioc;
2432 struct pci_dev *pdev;
2433 char *pbuf=NULL;
2434 dma_addr_t buf_dma;
2435 hp_host_info_t karg;
2436 CONFIGPARMS cfg;
2437 ConfigPageHeader_t hdr;
2438 int iocnum;
2439 int rc, cim_rev;
2440 ToolboxIstwiReadWriteRequest_t *IstwiRWRequest;
2441 MPT_FRAME_HDR *mf = NULL;
2442 MPIHeader_t *mpi_hdr;
2443 unsigned long timeleft;
2444 int retval;
2445
2446 /* Reset long to int. Should affect IA64 and SPARC only
2447 */
2448 if (data_size == sizeof(hp_host_info_t))
2449 cim_rev = 1;
2450 else if (data_size == sizeof(hp_host_info_rev0_t))
2451 cim_rev = 0; /* obsolete */
2452 else
2453 return -EFAULT;
2454
2455 if (copy_from_user(&karg, uarg, sizeof(hp_host_info_t))) {
2456 printk(KERN_ERR MYNAM "%s@%d::mptctl_hp_host_info - "
2457 "Unable to read in hp_host_info struct @ %p\n",
2458 __FILE__, __LINE__, uarg);
2459 return -EFAULT;
2460 }
2461
2462 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
2463 (ioc == NULL)) {
2464 printk(KERN_DEBUG MYNAM "%s::mptctl_hp_hostinfo() @%d - ioc%d not found!\n",
2465 __FILE__, __LINE__, iocnum);
2466 return -ENODEV;
2467 }
2468 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": mptctl_hp_hostinfo called.\n",
2469 ioc->name));
2470
2471 /* Fill in the data and return the structure to the calling
2472 * program
2473 */
2474 pdev = (struct pci_dev *) ioc->pcidev;
2475
2476 karg.vendor = pdev->vendor;
2477 karg.device = pdev->device;
2478 karg.subsystem_id = pdev->subsystem_device;
2479 karg.subsystem_vendor = pdev->subsystem_vendor;
2480 karg.devfn = pdev->devfn;
2481 karg.bus = pdev->bus->number;
2482
2483 /* Save the SCSI host no. if
2484 * SCSI driver loaded
2485 */
2486 if (ioc->sh != NULL)
2487 karg.host_no = ioc->sh->host_no;
2488 else
2489 karg.host_no = -1;
2490
2491 /* Reformat the fw_version into a string
2492 */
2493 karg.fw_version[0] = ioc->facts.FWVersion.Struct.Major >= 10 ?
2494 ((ioc->facts.FWVersion.Struct.Major / 10) + '0') : '0';
2495 karg.fw_version[1] = (ioc->facts.FWVersion.Struct.Major % 10 ) + '0';
2496 karg.fw_version[2] = '.';
2497 karg.fw_version[3] = ioc->facts.FWVersion.Struct.Minor >= 10 ?
2498 ((ioc->facts.FWVersion.Struct.Minor / 10) + '0') : '0';
2499 karg.fw_version[4] = (ioc->facts.FWVersion.Struct.Minor % 10 ) + '0';
2500 karg.fw_version[5] = '.';
2501 karg.fw_version[6] = ioc->facts.FWVersion.Struct.Unit >= 10 ?
2502 ((ioc->facts.FWVersion.Struct.Unit / 10) + '0') : '0';
2503 karg.fw_version[7] = (ioc->facts.FWVersion.Struct.Unit % 10 ) + '0';
2504 karg.fw_version[8] = '.';
2505 karg.fw_version[9] = ioc->facts.FWVersion.Struct.Dev >= 10 ?
2506 ((ioc->facts.FWVersion.Struct.Dev / 10) + '0') : '0';
2507 karg.fw_version[10] = (ioc->facts.FWVersion.Struct.Dev % 10 ) + '0';
2508 karg.fw_version[11] = '\0';
2509
2510 /* Issue a config request to get the device serial number
2511 */
2512 hdr.PageVersion = 0;
2513 hdr.PageLength = 0;
2514 hdr.PageNumber = 0;
2515 hdr.PageType = MPI_CONFIG_PAGETYPE_MANUFACTURING;
2516 cfg.cfghdr.hdr = &hdr;
2517 cfg.physAddr = -1;
2518 cfg.pageAddr = 0;
2519 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2520 cfg.dir = 0; /* read */
2521 cfg.timeout = 10;
2522
2523 strncpy(karg.serial_number, " ", 24);
2524 if (mpt_config(ioc, &cfg) == 0) {
2525 if (cfg.cfghdr.hdr->PageLength > 0) {
2526 /* Issue the second config page request */
2527 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2528
2529 pbuf = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, &buf_dma);
2530 if (pbuf) {
2531 cfg.physAddr = buf_dma;
2532 if (mpt_config(ioc, &cfg) == 0) {
2533 ManufacturingPage0_t *pdata = (ManufacturingPage0_t *) pbuf;
2534 if (strlen(pdata->BoardTracerNumber) > 1) {
2535 strncpy(karg.serial_number, pdata->BoardTracerNumber, 24);
2536 karg.serial_number[24-1]='\0';
2537 }
2538 }
2539 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, pbuf, buf_dma);
2540 pbuf = NULL;
2541 }
2542 }
2543 }
2544 rc = mpt_GetIocState(ioc, 1);
2545 switch (rc) {
2546 case MPI_IOC_STATE_OPERATIONAL:
2547 karg.ioc_status = HP_STATUS_OK;
2548 break;
2549
2550 case MPI_IOC_STATE_FAULT:
2551 karg.ioc_status = HP_STATUS_FAILED;
2552 break;
2553
2554 case MPI_IOC_STATE_RESET:
2555 case MPI_IOC_STATE_READY:
2556 default:
2557 karg.ioc_status = HP_STATUS_OTHER;
2558 break;
2559 }
2560
2561 karg.base_io_addr = pci_resource_start(pdev, 0);
2562
2563 if ((ioc->bus_type == SAS) || (ioc->bus_type == FC))
2564 karg.bus_phys_width = HP_BUS_WIDTH_UNK;
2565 else
2566 karg.bus_phys_width = HP_BUS_WIDTH_16;
2567
2568 karg.hard_resets = 0;
2569 karg.soft_resets = 0;
2570 karg.timeouts = 0;
2571 if (ioc->sh != NULL) {
2572 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
2573
2574 if (hd && (cim_rev == 1)) {
2575 karg.hard_resets = ioc->hard_resets;
2576 karg.soft_resets = ioc->soft_resets;
2577 karg.timeouts = ioc->timeouts;
2578 }
2579 }
2580
2581 /*
2582 * Gather ISTWI(Industry Standard Two Wire Interface) Data
2583 */
2584 if ((mf = mpt_get_msg_frame(mptctl_id, ioc)) == NULL) {
2585 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT
2586 "%s, no msg frames!!\n", ioc->name, __func__));
2587 goto out;
2588 }
2589
2590 IstwiRWRequest = (ToolboxIstwiReadWriteRequest_t *)mf;
2591 mpi_hdr = (MPIHeader_t *) mf;
2592 memset(IstwiRWRequest,0,sizeof(ToolboxIstwiReadWriteRequest_t));
2593 IstwiRWRequest->Function = MPI_FUNCTION_TOOLBOX;
2594 IstwiRWRequest->Tool = MPI_TOOLBOX_ISTWI_READ_WRITE_TOOL;
2595 IstwiRWRequest->MsgContext = mpi_hdr->MsgContext;
2596 IstwiRWRequest->Flags = MPI_TB_ISTWI_FLAGS_READ;
2597 IstwiRWRequest->NumAddressBytes = 0x01;
2598 IstwiRWRequest->DataLength = cpu_to_le16(0x04);
2599 if (pdev->devfn & 1)
2600 IstwiRWRequest->DeviceAddr = 0xB2;
2601 else
2602 IstwiRWRequest->DeviceAddr = 0xB0;
2603
2604 pbuf = pci_alloc_consistent(ioc->pcidev, 4, &buf_dma);
2605 if (!pbuf)
2606 goto out;
2607 ioc->add_sge((char *)&IstwiRWRequest->SGL,
2608 (MPT_SGE_FLAGS_SSIMPLE_READ|4), buf_dma);
2609
2610 retval = 0;
2611 SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context,
2612 IstwiRWRequest->MsgContext);
2613 INITIALIZE_MGMT_STATUS(ioc->ioctl_cmds.status)
2614 mpt_put_msg_frame(mptctl_id, ioc, mf);
2615
2616 retry_wait:
2617 timeleft = wait_for_completion_timeout(&ioc->ioctl_cmds.done,
2618 HZ*MPT_IOCTL_DEFAULT_TIMEOUT);
2619 if (!(ioc->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2620 retval = -ETIME;
2621 printk(MYIOC_s_WARN_FMT "%s: failed\n", ioc->name, __func__);
2622 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
2623 mpt_free_msg_frame(ioc, mf);
2624 goto out;
2625 }
2626 if (!timeleft) {
2627 printk(MYIOC_s_WARN_FMT
2628 "HOST INFO command timeout, doorbell=0x%08x\n",
2629 ioc->name, mpt_GetIocState(ioc, 0));
2630 mptctl_timeout_expired(ioc, mf);
2631 } else
2632 goto retry_wait;
2633 goto out;
2634 }
2635
2636 /*
2637 *ISTWI Data Definition
2638 * pbuf[0] = FW_VERSION = 0x4
2639 * pbuf[1] = Bay Count = 6 or 4 or 2, depending on
2640 * the config, you should be seeing one out of these three values
2641 * pbuf[2] = Drive Installed Map = bit pattern depend on which
2642 * bays have drives in them
2643 * pbuf[3] = Checksum (0x100 = (byte0 + byte2 + byte3)
2644 */
2645 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_RF_VALID)
2646 karg.rsvd = *(u32 *)pbuf;
2647
2648 out:
2649 CLEAR_MGMT_STATUS(ioc->ioctl_cmds.status)
2650 SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context, 0);
2651
2652 if (pbuf)
2653 pci_free_consistent(ioc->pcidev, 4, pbuf, buf_dma);
2654
2655 /* Copy the data from kernel memory to user memory
2656 */
2657 if (copy_to_user((char __user *)arg, &karg, sizeof(hp_host_info_t))) {
2658 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_hpgethostinfo - "
2659 "Unable to write out hp_host_info @ %p\n",
2660 ioc->name, __FILE__, __LINE__, uarg);
2661 return -EFAULT;
2662 }
2663
2664 return 0;
2665
2666 }
2667
2668 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2669 /* Prototype Routine for the TARGET INFO command.
2670 *
2671 * Outputs: None.
2672 * Return: 0 if successful
2673 * -EFAULT if data unavailable
2674 * -EBUSY if previous command timeout and IOC reset is not complete.
2675 * -ENODEV if no such device/adapter
2676 * -ETIME if timer expires
2677 * -ENOMEM if memory allocation error
2678 */
2679 static int
2680 mptctl_hp_targetinfo(unsigned long arg)
2681 {
2682 hp_target_info_t __user *uarg = (void __user *) arg;
2683 SCSIDevicePage0_t *pg0_alloc;
2684 SCSIDevicePage3_t *pg3_alloc;
2685 MPT_ADAPTER *ioc;
2686 MPT_SCSI_HOST *hd = NULL;
2687 hp_target_info_t karg;
2688 int iocnum;
2689 int data_sz;
2690 dma_addr_t page_dma;
2691 CONFIGPARMS cfg;
2692 ConfigPageHeader_t hdr;
2693 int tmp, np, rc = 0;
2694
2695 if (copy_from_user(&karg, uarg, sizeof(hp_target_info_t))) {
2696 printk(KERN_ERR MYNAM "%s@%d::mptctl_hp_targetinfo - "
2697 "Unable to read in hp_host_targetinfo struct @ %p\n",
2698 __FILE__, __LINE__, uarg);
2699 return -EFAULT;
2700 }
2701
2702 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
2703 (ioc == NULL)) {
2704 printk(KERN_DEBUG MYNAM "%s::mptctl_hp_targetinfo() @%d - ioc%d not found!\n",
2705 __FILE__, __LINE__, iocnum);
2706 return -ENODEV;
2707 }
2708 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_hp_targetinfo called.\n",
2709 ioc->name));
2710
2711 /* There is nothing to do for FCP parts.
2712 */
2713 if ((ioc->bus_type == SAS) || (ioc->bus_type == FC))
2714 return 0;
2715
2716 if ((ioc->spi_data.sdp0length == 0) || (ioc->sh == NULL))
2717 return 0;
2718
2719 if (ioc->sh->host_no != karg.hdr.host)
2720 return -ENODEV;
2721
2722 /* Get the data transfer speeds
2723 */
2724 data_sz = ioc->spi_data.sdp0length * 4;
2725 pg0_alloc = (SCSIDevicePage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page_dma);
2726 if (pg0_alloc) {
2727 hdr.PageVersion = ioc->spi_data.sdp0version;
2728 hdr.PageLength = data_sz;
2729 hdr.PageNumber = 0;
2730 hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
2731
2732 cfg.cfghdr.hdr = &hdr;
2733 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2734 cfg.dir = 0;
2735 cfg.timeout = 0;
2736 cfg.physAddr = page_dma;
2737
2738 cfg.pageAddr = (karg.hdr.channel << 8) | karg.hdr.id;
2739
2740 if ((rc = mpt_config(ioc, &cfg)) == 0) {
2741 np = le32_to_cpu(pg0_alloc->NegotiatedParameters);
2742 karg.negotiated_width = np & MPI_SCSIDEVPAGE0_NP_WIDE ?
2743 HP_BUS_WIDTH_16 : HP_BUS_WIDTH_8;
2744
2745 if (np & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK) {
2746 tmp = (np & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK) >> 8;
2747 if (tmp < 0x09)
2748 karg.negotiated_speed = HP_DEV_SPEED_ULTRA320;
2749 else if (tmp <= 0x09)
2750 karg.negotiated_speed = HP_DEV_SPEED_ULTRA160;
2751 else if (tmp <= 0x0A)
2752 karg.negotiated_speed = HP_DEV_SPEED_ULTRA2;
2753 else if (tmp <= 0x0C)
2754 karg.negotiated_speed = HP_DEV_SPEED_ULTRA;
2755 else if (tmp <= 0x25)
2756 karg.negotiated_speed = HP_DEV_SPEED_FAST;
2757 else
2758 karg.negotiated_speed = HP_DEV_SPEED_ASYNC;
2759 } else
2760 karg.negotiated_speed = HP_DEV_SPEED_ASYNC;
2761 }
2762
2763 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) pg0_alloc, page_dma);
2764 }
2765
2766 /* Set defaults
2767 */
2768 karg.message_rejects = -1;
2769 karg.phase_errors = -1;
2770 karg.parity_errors = -1;
2771 karg.select_timeouts = -1;
2772
2773 /* Get the target error parameters
2774 */
2775 hdr.PageVersion = 0;
2776 hdr.PageLength = 0;
2777 hdr.PageNumber = 3;
2778 hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
2779
2780 cfg.cfghdr.hdr = &hdr;
2781 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2782 cfg.dir = 0;
2783 cfg.timeout = 0;
2784 cfg.physAddr = -1;
2785 if ((mpt_config(ioc, &cfg) == 0) && (cfg.cfghdr.hdr->PageLength > 0)) {
2786 /* Issue the second config page request */
2787 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2788 data_sz = (int) cfg.cfghdr.hdr->PageLength * 4;
2789 pg3_alloc = (SCSIDevicePage3_t *) pci_alloc_consistent(
2790 ioc->pcidev, data_sz, &page_dma);
2791 if (pg3_alloc) {
2792 cfg.physAddr = page_dma;
2793 cfg.pageAddr = (karg.hdr.channel << 8) | karg.hdr.id;
2794 if ((rc = mpt_config(ioc, &cfg)) == 0) {
2795 karg.message_rejects = (u32) le16_to_cpu(pg3_alloc->MsgRejectCount);
2796 karg.phase_errors = (u32) le16_to_cpu(pg3_alloc->PhaseErrorCount);
2797 karg.parity_errors = (u32) le16_to_cpu(pg3_alloc->ParityErrorCount);
2798 }
2799 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) pg3_alloc, page_dma);
2800 }
2801 }
2802 hd = shost_priv(ioc->sh);
2803 if (hd != NULL)
2804 karg.select_timeouts = hd->sel_timeout[karg.hdr.id];
2805
2806 /* Copy the data from kernel memory to user memory
2807 */
2808 if (copy_to_user((char __user *)arg, &karg, sizeof(hp_target_info_t))) {
2809 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_hp_target_info - "
2810 "Unable to write out mpt_ioctl_targetinfo struct @ %p\n",
2811 ioc->name, __FILE__, __LINE__, uarg);
2812 return -EFAULT;
2813 }
2814
2815 return 0;
2816 }
2817
2818 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2819
2820 static const struct file_operations mptctl_fops = {
2821 .owner = THIS_MODULE,
2822 .llseek = no_llseek,
2823 .fasync = mptctl_fasync,
2824 .unlocked_ioctl = mptctl_ioctl,
2825 .release = mptctl_release,
2826 #ifdef CONFIG_COMPAT
2827 .compat_ioctl = compat_mpctl_ioctl,
2828 #endif
2829 };
2830
2831 static struct miscdevice mptctl_miscdev = {
2832 MPT_MINOR,
2833 MYNAM,
2834 &mptctl_fops
2835 };
2836
2837 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2838
2839 #ifdef CONFIG_COMPAT
2840
2841 static int
2842 compat_mptfwxfer_ioctl(struct file *filp, unsigned int cmd,
2843 unsigned long arg)
2844 {
2845 struct mpt_fw_xfer32 kfw32;
2846 struct mpt_fw_xfer kfw;
2847 MPT_ADAPTER *iocp = NULL;
2848 int iocnum, iocnumX;
2849 int nonblock = (filp->f_flags & O_NONBLOCK);
2850 int ret;
2851
2852
2853 if (copy_from_user(&kfw32, (char __user *)arg, sizeof(kfw32)))
2854 return -EFAULT;
2855
2856 /* Verify intended MPT adapter */
2857 iocnumX = kfw32.iocnum & 0xFF;
2858 if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) ||
2859 (iocp == NULL)) {
2860 printk(KERN_DEBUG MYNAM "::compat_mptfwxfer_ioctl @%d - ioc%d not found!\n",
2861 __LINE__, iocnumX);
2862 return -ENODEV;
2863 }
2864
2865 if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0)
2866 return ret;
2867
2868 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "compat_mptfwxfer_ioctl() called\n",
2869 iocp->name));
2870 kfw.iocnum = iocnum;
2871 kfw.fwlen = kfw32.fwlen;
2872 kfw.bufp = compat_ptr(kfw32.bufp);
2873
2874 ret = mptctl_do_fw_download(kfw.iocnum, kfw.bufp, kfw.fwlen);
2875
2876 mutex_unlock(&iocp->ioctl_cmds.mutex);
2877
2878 return ret;
2879 }
2880
2881 static int
2882 compat_mpt_command(struct file *filp, unsigned int cmd,
2883 unsigned long arg)
2884 {
2885 struct mpt_ioctl_command32 karg32;
2886 struct mpt_ioctl_command32 __user *uarg = (struct mpt_ioctl_command32 __user *) arg;
2887 struct mpt_ioctl_command karg;
2888 MPT_ADAPTER *iocp = NULL;
2889 int iocnum, iocnumX;
2890 int nonblock = (filp->f_flags & O_NONBLOCK);
2891 int ret;
2892
2893 if (copy_from_user(&karg32, (char __user *)arg, sizeof(karg32)))
2894 return -EFAULT;
2895
2896 /* Verify intended MPT adapter */
2897 iocnumX = karg32.hdr.iocnum & 0xFF;
2898 if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) ||
2899 (iocp == NULL)) {
2900 printk(KERN_DEBUG MYNAM "::compat_mpt_command @%d - ioc%d not found!\n",
2901 __LINE__, iocnumX);
2902 return -ENODEV;
2903 }
2904
2905 if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0)
2906 return ret;
2907
2908 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "compat_mpt_command() called\n",
2909 iocp->name));
2910 /* Copy data to karg */
2911 karg.hdr.iocnum = karg32.hdr.iocnum;
2912 karg.hdr.port = karg32.hdr.port;
2913 karg.timeout = karg32.timeout;
2914 karg.maxReplyBytes = karg32.maxReplyBytes;
2915
2916 karg.dataInSize = karg32.dataInSize;
2917 karg.dataOutSize = karg32.dataOutSize;
2918 karg.maxSenseBytes = karg32.maxSenseBytes;
2919 karg.dataSgeOffset = karg32.dataSgeOffset;
2920
2921 karg.replyFrameBufPtr = (char __user *)(unsigned long)karg32.replyFrameBufPtr;
2922 karg.dataInBufPtr = (char __user *)(unsigned long)karg32.dataInBufPtr;
2923 karg.dataOutBufPtr = (char __user *)(unsigned long)karg32.dataOutBufPtr;
2924 karg.senseDataPtr = (char __user *)(unsigned long)karg32.senseDataPtr;
2925
2926 /* Pass new structure to do_mpt_command
2927 */
2928 ret = mptctl_do_mpt_command (karg, &uarg->MF);
2929
2930 mutex_unlock(&iocp->ioctl_cmds.mutex);
2931
2932 return ret;
2933 }
2934
2935 static long compat_mpctl_ioctl(struct file *f, unsigned int cmd, unsigned long arg)
2936 {
2937 long ret;
2938 mutex_lock(&mpctl_mutex);
2939 switch (cmd) {
2940 case MPTIOCINFO:
2941 case MPTIOCINFO1:
2942 case MPTIOCINFO2:
2943 case MPTTARGETINFO:
2944 case MPTEVENTQUERY:
2945 case MPTEVENTENABLE:
2946 case MPTEVENTREPORT:
2947 case MPTHARDRESET:
2948 case HP_GETHOSTINFO:
2949 case HP_GETTARGETINFO:
2950 case MPTTEST:
2951 ret = __mptctl_ioctl(f, cmd, arg);
2952 break;
2953 case MPTCOMMAND32:
2954 ret = compat_mpt_command(f, cmd, arg);
2955 break;
2956 case MPTFWDOWNLOAD32:
2957 ret = compat_mptfwxfer_ioctl(f, cmd, arg);
2958 break;
2959 default:
2960 ret = -ENOIOCTLCMD;
2961 break;
2962 }
2963 mutex_unlock(&mpctl_mutex);
2964 return ret;
2965 }
2966
2967 #endif
2968
2969
2970 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2971 /*
2972 * mptctl_probe - Installs ioctl devices per bus.
2973 * @pdev: Pointer to pci_dev structure
2974 *
2975 * Returns 0 for success, non-zero for failure.
2976 *
2977 */
2978
2979 static int
2980 mptctl_probe(struct pci_dev *pdev, const struct pci_device_id *id)
2981 {
2982 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
2983
2984 mutex_init(&ioc->ioctl_cmds.mutex);
2985 init_completion(&ioc->ioctl_cmds.done);
2986 return 0;
2987 }
2988
2989 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2990 /*
2991 * mptctl_remove - Removed ioctl devices
2992 * @pdev: Pointer to pci_dev structure
2993 *
2994 *
2995 */
2996 static void
2997 mptctl_remove(struct pci_dev *pdev)
2998 {
2999 }
3000
3001 static struct mpt_pci_driver mptctl_driver = {
3002 .probe = mptctl_probe,
3003 .remove = mptctl_remove,
3004 };
3005
3006 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3007 static int __init mptctl_init(void)
3008 {
3009 int err;
3010 int where = 1;
3011
3012 show_mptmod_ver(my_NAME, my_VERSION);
3013
3014 mpt_device_driver_register(&mptctl_driver, MPTCTL_DRIVER);
3015
3016 /* Register this device */
3017 err = misc_register(&mptctl_miscdev);
3018 if (err < 0) {
3019 printk(KERN_ERR MYNAM ": Can't register misc device [minor=%d].\n", MPT_MINOR);
3020 goto out_fail;
3021 }
3022 printk(KERN_INFO MYNAM ": Registered with Fusion MPT base driver\n");
3023 printk(KERN_INFO MYNAM ": /dev/%s @ (major,minor=%d,%d)\n",
3024 mptctl_miscdev.name, MISC_MAJOR, mptctl_miscdev.minor);
3025
3026 /*
3027 * Install our handler
3028 */
3029 ++where;
3030 mptctl_id = mpt_register(mptctl_reply, MPTCTL_DRIVER,
3031 "mptctl_reply");
3032 if (!mptctl_id || mptctl_id >= MPT_MAX_PROTOCOL_DRIVERS) {
3033 printk(KERN_ERR MYNAM ": ERROR: Failed to register with Fusion MPT base driver\n");
3034 misc_deregister(&mptctl_miscdev);
3035 err = -EBUSY;
3036 goto out_fail;
3037 }
3038
3039 mptctl_taskmgmt_id = mpt_register(mptctl_taskmgmt_reply, MPTCTL_DRIVER,
3040 "mptctl_taskmgmt_reply");
3041 if (!mptctl_taskmgmt_id || mptctl_taskmgmt_id >= MPT_MAX_PROTOCOL_DRIVERS) {
3042 printk(KERN_ERR MYNAM ": ERROR: Failed to register with Fusion MPT base driver\n");
3043 mpt_deregister(mptctl_id);
3044 misc_deregister(&mptctl_miscdev);
3045 err = -EBUSY;
3046 goto out_fail;
3047 }
3048
3049 mpt_reset_register(mptctl_id, mptctl_ioc_reset);
3050 mpt_event_register(mptctl_id, mptctl_event_process);
3051
3052 return 0;
3053
3054 out_fail:
3055
3056 mpt_device_driver_deregister(MPTCTL_DRIVER);
3057
3058 return err;
3059 }
3060
3061 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3062 static void mptctl_exit(void)
3063 {
3064 misc_deregister(&mptctl_miscdev);
3065 printk(KERN_INFO MYNAM ": Deregistered /dev/%s @ (major,minor=%d,%d)\n",
3066 mptctl_miscdev.name, MISC_MAJOR, mptctl_miscdev.minor);
3067
3068 /* De-register event handler from base module */
3069 mpt_event_deregister(mptctl_id);
3070
3071 /* De-register reset handler from base module */
3072 mpt_reset_deregister(mptctl_id);
3073
3074 /* De-register callback handler from base module */
3075 mpt_deregister(mptctl_taskmgmt_id);
3076 mpt_deregister(mptctl_id);
3077
3078 mpt_device_driver_deregister(MPTCTL_DRIVER);
3079
3080 }
3081
3082 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3083
3084 module_init(mptctl_init);
3085 module_exit(mptctl_exit);
Linux kernel - Deliverables
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