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Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
[deliverable/linux.git] / drivers / message / fusion / mptctl.c
CommitLineData
1da177e4
LT		 1/*
2 * linux/drivers/message/fusion/mptctl.c
b6fe4ddc 3 * mpt Ioctl driver.
f36789e2
PS		 4 * For use with LSI PCI chip/adapters
5 * running LSI Fusion MPT (Message Passing Technology) firmware.
1da177e4 6 *
f36789e2 7 * Copyright (c) 1999-2007 LSI Corporation
16d20101 8 * (mailto:DL-MPTFusionLinux@lsi.com)
1da177e4 9 *
1da177e4
LT		 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
1da177e4
LT		 48#include <linux/kernel.h>
49#include <linux/module.h>
50#include <linux/errno.h>
51#include <linux/init.h>
52#include <linux/slab.h>
53#include <linux/types.h>
54#include <linux/pci.h>
55#include <linux/delay.h> /* for mdelay */
56#include <linux/miscdevice.h>
57#include <linux/smp_lock.h>
58#include <linux/compat.h>
59
60#include <asm/io.h>
61#include <asm/uaccess.h>
62
63#include <scsi/scsi.h>
64#include <scsi/scsi_cmnd.h>
65#include <scsi/scsi_device.h>
66#include <scsi/scsi_host.h>
67#include <scsi/scsi_tcq.h>
68
f36789e2
PS		 69#define COPYRIGHT "Copyright (c) 1999-2007 LSI Corporation"
70#define MODULEAUTHOR "LSI Corporation"
1da177e4
LT		 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
79MODULE_AUTHOR(MODULEAUTHOR);
80MODULE_DESCRIPTION(my_NAME);
81MODULE_LICENSE("GPL");
9f4203b3 82MODULE_VERSION(my_VERSION);
1da177e4
LT		 83
84/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
85
f606f571 86static u8 mptctl_id = MPT_MAX_PROTOCOL_DRIVERS;
1da177e4
LT		 87
88static DECLARE_WAIT_QUEUE_HEAD ( mptctl_wait );
89
90/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
91
92struct buflist {
93 u8 *kptr;
94 int len;
95};
96
97/*
98 * Function prototypes. Called from OS entry point mptctl_ioctl.
99 * arg contents specific to function.
100 */
101static int mptctl_fw_download(unsigned long arg);
d485eb83
MED		 102static int mptctl_getiocinfo(unsigned long arg, unsigned int cmd);
103static int mptctl_gettargetinfo(unsigned long arg);
104static int mptctl_readtest(unsigned long arg);
105static int mptctl_mpt_command(unsigned long arg);
106static int mptctl_eventquery(unsigned long arg);
107static int mptctl_eventenable(unsigned long arg);
108static int mptctl_eventreport(unsigned long arg);
109static int mptctl_replace_fw(unsigned long arg);
1da177e4
LT		 110
111static int mptctl_do_reset(unsigned long arg);
112static int mptctl_hp_hostinfo(unsigned long arg, unsigned int cmd);
113static int mptctl_hp_targetinfo(unsigned long arg);
114
115static int mptctl_probe(struct pci_dev *, const struct pci_device_id *);
116static void mptctl_remove(struct pci_dev *);
117
118#ifdef CONFIG_COMPAT
119static long compat_mpctl_ioctl(struct file *f, unsigned cmd, unsigned long arg);
120#endif
121/*
122 * Private function calls.
123 */
d485eb83 124static int mptctl_do_mpt_command(struct mpt_ioctl_command karg, void __user *mfPtr);
1da177e4 125static int mptctl_do_fw_download(int ioc, char __user *ufwbuf, size_t fwlen);
d485eb83 126static MptSge_t *kbuf_alloc_2_sgl(int bytes, u32 dir, int sge_offset, int *frags,
1da177e4 127 struct buflist **blp, dma_addr_t *sglbuf_dma, MPT_ADAPTER *ioc);
d485eb83 128static void kfree_sgl(MptSge_t *sgl, dma_addr_t sgl_dma,
1da177e4
LT		 129 struct buflist *buflist, MPT_ADAPTER *ioc);
130static void mptctl_timeout_expired (MPT_IOCTL *ioctl);
131static int mptctl_bus_reset(MPT_IOCTL *ioctl);
132static int mptctl_set_tm_flags(MPT_SCSI_HOST *hd);
133static void mptctl_free_tm_flags(MPT_ADAPTER *ioc);
134
135/*
136 * Reset Handler cleanup function
137 */
138static int mptctl_ioc_reset(MPT_ADAPTER *ioc, int reset_phase);
139
ea5a7a82
ME		 140/*
141 * Event Handler function
142 */
143static int mptctl_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
c972c70f 144static struct fasync_struct *async_queue=NULL;
ea5a7a82 145
1da177e4
LT		 146/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
147/*
148 * Scatter gather list (SGL) sizes and limits...
149 */
150//#define MAX_SCSI_FRAGS 9
151#define MAX_FRAGS_SPILL1 9
152#define MAX_FRAGS_SPILL2 15
153#define FRAGS_PER_BUCKET (MAX_FRAGS_SPILL2 + 1)
154
155//#define MAX_CHAIN_FRAGS 64
156//#define MAX_CHAIN_FRAGS (15+15+15+16)
157#define MAX_CHAIN_FRAGS (4 * MAX_FRAGS_SPILL2 + 1)
158
159// Define max sg LIST bytes ( == (#frags + #chains) * 8 bytes each)
160// Works out to: 592d bytes! (9+1)*8 + 4*(15+1)*8
161// ^----------------- 80 + 512
162#define MAX_SGL_BYTES ((MAX_FRAGS_SPILL1 + 1 + (4 * FRAGS_PER_BUCKET)) * 8)
163
164/* linux only seems to ever give 128kB MAX contiguous (GFP_USER) mem bytes */
165#define MAX_KMALLOC_SZ (128*1024)
166
167#define MPT_IOCTL_DEFAULT_TIMEOUT 10 /* Default timeout value (seconds) */
168
169/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
170/**
171 * mptctl_syscall_down - Down the MPT adapter syscall semaphore.
172 * @ioc: Pointer to MPT adapter
173 * @nonblock: boolean, non-zero if O_NONBLOCK is set
174 *
175 * All of the ioctl commands can potentially sleep, which is illegal
176 * with a spinlock held, thus we perform mutual exclusion here.
177 *
178 * Returns negative errno on error, or zero for success.
179 */
180static inline int
181mptctl_syscall_down(MPT_ADAPTER *ioc, int nonblock)
182{
183 int rc = 0;
1da177e4
LT		 184
185 if (nonblock) {
eeb846ce 186 if (!mutex_trylock(&ioc->ioctl->ioctl_mutex))
1da177e4
LT		 187 rc = -EAGAIN;
188 } else {
eeb846ce 189 if (mutex_lock_interruptible(&ioc->ioctl->ioctl_mutex))
1da177e4
LT		 190 rc = -ERESTARTSYS;
191 }
1da177e4
LT		 192 return rc;
193}
194
195/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
196/*
197 * This is the callback for any message we have posted. The message itself
198 * will be returned to the message pool when we return from the IRQ
199 *
200 * This runs in irq context so be short and sweet.
201 */
202static int
203mptctl_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply)
204{
205 char *sense_data;
206 int sz, req_index;
207 u16 iocStatus;
208 u8 cmd;
209
1da177e4
LT		 210 if (req)
211 cmd = req->u.hdr.Function;
212 else
213 return 1;
09120a8c
PS		 214 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\tcompleting mpi function (0x%02X), req=%p, "
215 "reply=%p\n", ioc->name, req->u.hdr.Function, req, reply));
1da177e4
LT		 216
217 if (ioc->ioctl) {
218
219 if (reply==NULL) {
220
09120a8c
PS		 221 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_reply() NULL Reply "
222 "Function=%x!\n", ioc->name, cmd));
1da177e4
LT		 223
224 ioc->ioctl->status |= MPT_IOCTL_STATUS_COMMAND_GOOD;
225 ioc->ioctl->reset &= ~MPTCTL_RESET_OK;
226
227 /* We are done, issue wake up
228 */
229 ioc->ioctl->wait_done = 1;
230 wake_up (&mptctl_wait);
231 return 1;
232
233 }
234
1da177e4
LT		 235 /* Copy the reply frame (which much exist
236 * for non-SCSI I/O) to the IOC structure.
237 */
1da177e4
LT		 238 memcpy(ioc->ioctl->ReplyFrame, reply,
239 min(ioc->reply_sz, 4*reply->u.reply.MsgLength));
240 ioc->ioctl->status |= MPT_IOCTL_STATUS_RF_VALID;
241
242 /* Set the command status to GOOD if IOC Status is GOOD
243 * OR if SCSI I/O cmd and data underrun or recovered error.
244 */
637fa99b 245 iocStatus = le16_to_cpu(reply->u.reply.IOCStatus) & MPI_IOCSTATUS_MASK;
1da177e4
LT		 246 if (iocStatus == MPI_IOCSTATUS_SUCCESS)
247 ioc->ioctl->status |= MPT_IOCTL_STATUS_COMMAND_GOOD;
248
09120a8c
PS		 249 if (iocStatus || reply->u.reply.IOCLogInfo)
250 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\tiocstatus (0x%04X), "
251 "loginfo (0x%08X)\n", ioc->name,
252 iocStatus,
253 le32_to_cpu(reply->u.reply.IOCLogInfo)));
254
1da177e4
LT		 255 if ((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
256 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) {
09120a8c
PS		 257
258 if (reply->u.sreply.SCSIStatus || reply->u.sreply.SCSIState)
259 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
260 "\tscsi_status (0x%02x), scsi_state (0x%02x), "
261 "tag = (0x%04x), transfer_count (0x%08x)\n", ioc->name,
262 reply->u.sreply.SCSIStatus,
263 reply->u.sreply.SCSIState,
264 le16_to_cpu(reply->u.sreply.TaskTag),
265 le32_to_cpu(reply->u.sreply.TransferCount)));
266
1da177e4
LT		 267 ioc->ioctl->reset &= ~MPTCTL_RESET_OK;
268
269 if ((iocStatus == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN) ||
270 (iocStatus == MPI_IOCSTATUS_SCSI_RECOVERED_ERROR)) {
271 ioc->ioctl->status |= MPT_IOCTL_STATUS_COMMAND_GOOD;
272 }
273 }
274
275 /* Copy the sense data - if present
276 */
277 if ((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) &&
278 (reply->u.sreply.SCSIState &
279 MPI_SCSI_STATE_AUTOSENSE_VALID)){
280 sz = req->u.scsireq.SenseBufferLength;
281 req_index =
282 le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
283 sense_data =
284 ((u8 *)ioc->sense_buf_pool +
285 (req_index * MPT_SENSE_BUFFER_ALLOC));
286 memcpy(ioc->ioctl->sense, sense_data, sz);
287 ioc->ioctl->status |= MPT_IOCTL_STATUS_SENSE_VALID;
288 }
289
290 if (cmd == MPI_FUNCTION_SCSI_TASK_MGMT)
291 mptctl_free_tm_flags(ioc);
292
293 /* We are done, issue wake up
294 */
295 ioc->ioctl->wait_done = 1;
296 wake_up (&mptctl_wait);
297 }
298 return 1;
299}
300
301/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
302/* mptctl_timeout_expired
303 *
304 * Expecting an interrupt, however timed out.
305 *
306 */
307static void mptctl_timeout_expired (MPT_IOCTL *ioctl)
308{
309 int rc = 1;
310
09120a8c
PS		 311 dctlprintk(ioctl->ioc, printk(MYIOC_s_DEBUG_FMT ": Timeout Expired! Host %d\n",
312 ioctl->ioc->name, ioctl->ioc->id));
1da177e4
LT		 313 if (ioctl == NULL)
314 return;
315
316 ioctl->wait_done = 0;
317 if (ioctl->reset & MPTCTL_RESET_OK)
318 rc = mptctl_bus_reset(ioctl);
319
320 if (rc) {
321 /* Issue a reset for this device.
322 * The IOC is not responding.
323 */
09120a8c 324 dctlprintk(ioctl->ioc, printk(MYIOC_s_DEBUG_FMT "Calling HardReset! \n",
1da177e4 325 ioctl->ioc->name));
cd2c6191 326 mpt_HardResetHandler(ioctl->ioc, CAN_SLEEP);
1da177e4
LT		 327 }
328 return;
329
330}
331
332/* mptctl_bus_reset
333 *
334 * Bus reset code.
335 *
336 */
337static int mptctl_bus_reset(MPT_IOCTL *ioctl)
338{
339 MPT_FRAME_HDR *mf;
340 SCSITaskMgmt_t *pScsiTm;
341 MPT_SCSI_HOST *hd;
342 int ii;
7a195f46 343 int retval=0;
1da177e4
LT		 344
345
346 ioctl->reset &= ~MPTCTL_RESET_OK;
347
348 if (ioctl->ioc->sh == NULL)
349 return -EPERM;
350
e7eae9f6 351 hd = shost_priv(ioctl->ioc->sh);
1da177e4
LT		 352 if (hd == NULL)
353 return -EPERM;
354
355 /* Single threading ....
356 */
357 if (mptctl_set_tm_flags(hd) != 0)
358 return -EPERM;
359
360 /* Send request
361 */
362 if ((mf = mpt_get_msg_frame(mptctl_id, ioctl->ioc)) == NULL) {
09120a8c 363 dtmprintk(ioctl->ioc, printk(MYIOC_s_DEBUG_FMT "IssueTaskMgmt, no msg frames!!\n",
1da177e4
LT		 364 ioctl->ioc->name));
365
366 mptctl_free_tm_flags(ioctl->ioc);
367 return -ENOMEM;
368 }
369
09120a8c 370 dtmprintk(ioctl->ioc, printk(MYIOC_s_DEBUG_FMT "IssueTaskMgmt request @ %p\n",
1da177e4
LT		 371 ioctl->ioc->name, mf));
372
373 pScsiTm = (SCSITaskMgmt_t *) mf;
793955f5 374 pScsiTm->TargetID = ioctl->id;
1da177e4
LT		 375 pScsiTm->Bus = hd->port; /* 0 */
376 pScsiTm->ChainOffset = 0;
377 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
378 pScsiTm->Reserved = 0;
379 pScsiTm->TaskType = MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS;
380 pScsiTm->Reserved1 = 0;
381 pScsiTm->MsgFlags = MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION;
382
383 for (ii= 0; ii < 8; ii++)
384 pScsiTm->LUN[ii] = 0;
385
386 for (ii=0; ii < 7; ii++)
387 pScsiTm->Reserved2[ii] = 0;
388
389 pScsiTm->TaskMsgContext = 0;
09120a8c 390 dtmprintk(ioctl->ioc, printk(MYIOC_s_DEBUG_FMT
1da177e4
LT		 391 "mptctl_bus_reset: issued.\n", ioctl->ioc->name));
392
09120a8c 393 DBG_DUMP_TM_REQUEST_FRAME(ioctl->ioc, (u32 *)mf);
1da177e4
LT		 394
395 ioctl->wait_done=0;
7a195f46
PS		 396
397 if ((ioctl->ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
398 (ioctl->ioc->facts.MsgVersion >= MPI_VERSION_01_05))
399 mpt_put_msg_frame_hi_pri(mptctl_id, ioctl->ioc, mf);
400 else {
401 retval = mpt_send_handshake_request(mptctl_id, ioctl->ioc,
402 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
403 if (retval != 0) {
404 dfailprintk(ioctl->ioc, printk(MYIOC_s_ERR_FMT "_send_handshake FAILED!"
405 " (hd %p, ioc %p, mf %p) \n", hd->ioc->name, hd,
406 hd->ioc, mf));
407 goto mptctl_bus_reset_done;
408 }
1da177e4
LT		 409 }
410
411 /* Now wait for the command to complete */
86a7dcaa 412 ii = wait_event_timeout(mptctl_wait,
1da177e4
LT		 413 ioctl->wait_done == 1,
414 HZ*5 /* 5 second timeout */);
415
416 if(ii <=0 && (ioctl->wait_done != 1 )) {
86a7dcaa 417 mpt_free_msg_frame(hd->ioc, mf);
1da177e4
LT		 418 ioctl->wait_done = 0;
419 retval = -1; /* return failure */
420 }
421
422mptctl_bus_reset_done:
423
1da177e4
LT		 424 mptctl_free_tm_flags(ioctl->ioc);
425 return retval;
426}
427
428static int
429mptctl_set_tm_flags(MPT_SCSI_HOST *hd) {
430 unsigned long flags;
431
432 spin_lock_irqsave(&hd->ioc->FreeQlock, flags);
433
434 if (hd->tmState == TM_STATE_NONE) {
435 hd->tmState = TM_STATE_IN_PROGRESS;
436 hd->tmPending = 1;
437 spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags);
438 } else {
439 spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags);
440 return -EBUSY;
441 }
442
443 return 0;
444}
445
446static void
447mptctl_free_tm_flags(MPT_ADAPTER *ioc)
448{
449 MPT_SCSI_HOST * hd;
450 unsigned long flags;
451
e7eae9f6 452 hd = shost_priv(ioc->sh);
1da177e4
LT		 453 if (hd == NULL)
454 return;
455
456 spin_lock_irqsave(&ioc->FreeQlock, flags);
457
458 hd->tmState = TM_STATE_NONE;
459 hd->tmPending = 0;
460 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
461
462 return;
463}
464
465/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
466/* mptctl_ioc_reset
467 *
468 * Clean-up functionality. Used only if there has been a
469 * reload of the FW due.
470 *
471 */
472static int
473mptctl_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
474{
475 MPT_IOCTL *ioctl = ioc->ioctl;
29dd3609 476 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOC %s_reset routed to IOCTL driver!\n", ioc->name,
1da177e4
LT		 477 reset_phase==MPT_IOC_SETUP_RESET ? "setup" : (
478 reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post")));
479
480 if(ioctl == NULL)
481 return 1;
482
483 switch(reset_phase) {
484 case MPT_IOC_SETUP_RESET:
485 ioctl->status |= MPT_IOCTL_STATUS_DID_IOCRESET;
486 break;
487 case MPT_IOC_POST_RESET:
488 ioctl->status &= ~MPT_IOCTL_STATUS_DID_IOCRESET;
489 break;
490 case MPT_IOC_PRE_RESET:
491 default:
492 break;
493 }
494
495 return 1;
496}
497
ea5a7a82
ME		 498/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
499/* ASYNC Event Notification Support */
500static int
501mptctl_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
502{
503 u8 event;
504
505 event = le32_to_cpu(pEvReply->Event) & 0xFF;
506
09120a8c
PS		 507 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s() called\n",
508 ioc->name, __FUNCTION__));
ea5a7a82
ME		 509 if(async_queue == NULL)
510 return 1;
511
512 /* Raise SIGIO for persistent events.
513 * TODO - this define is not in MPI spec yet,
514 * but they plan to set it to 0x21
515 */
516 if (event == 0x21 ) {
517 ioc->aen_event_read_flag=1;
09120a8c
PS		 518 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Raised SIGIO to application\n",
519 ioc->name));
520 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
521 "Raised SIGIO to application\n", ioc->name));
ea5a7a82
ME		 522 kill_fasync(&async_queue, SIGIO, POLL_IN);
523 return 1;
524 }
525
526 /* This flag is set after SIGIO was raised, and
527 * remains set until the application has read
528 * the event log via ioctl=MPTEVENTREPORT
529 */
530 if(ioc->aen_event_read_flag)
531 return 1;
532
533 /* Signal only for the events that are
534 * requested for by the application
535 */
536 if (ioc->events && (ioc->eventTypes & ( 1 << event))) {
537 ioc->aen_event_read_flag=1;
09120a8c
PS		 538 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
539 "Raised SIGIO to application\n", ioc->name));
540 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
541 "Raised SIGIO to application\n", ioc->name));
ea5a7a82
ME		 542 kill_fasync(&async_queue, SIGIO, POLL_IN);
543 }
544 return 1;
545}
546
547static int
548mptctl_fasync(int fd, struct file *filep, int mode)
549{
550 MPT_ADAPTER *ioc;
551
552 list_for_each_entry(ioc, &ioc_list, list)
553 ioc->aen_event_read_flag=0;
554
ea5a7a82
ME		 555 return fasync_helper(fd, filep, mode, &async_queue);
556}
557
558static int
559mptctl_release(struct inode *inode, struct file *filep)
560{
ea5a7a82
ME		 561 return fasync_helper(-1, filep, 0, &async_queue);
562}
563
1da177e4
LT		 564/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
565/*
566 * MPT ioctl handler
567 * cmd - specify the particular IOCTL command to be issued
568 * arg - data specific to the command. Must not be null.
569 */
570static long
571__mptctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
572{
573 mpt_ioctl_header __user *uhdr = (void __user *) arg;
574 mpt_ioctl_header khdr;
575 int iocnum;
576 unsigned iocnumX;
577 int nonblock = (file->f_flags & O_NONBLOCK);
578 int ret;
579 MPT_ADAPTER *iocp = NULL;
580
1da177e4 581 if (copy_from_user(&khdr, uhdr, sizeof(khdr))) {
29dd3609 582 printk(KERN_ERR MYNAM "%s::mptctl_ioctl() @%d - "
1da177e4
LT		 583 "Unable to copy mpt_ioctl_header data @ %p\n",
584 __FILE__, __LINE__, uhdr);
585 return -EFAULT;
586 }
587 ret = -ENXIO; /* (-6) No such device or address */
588
589 /* Verify intended MPT adapter - set iocnum and the adapter
590 * pointer (iocp)
591 */
592 iocnumX = khdr.iocnum & 0xFF;
593 if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) ||
594 (iocp == NULL)) {
29dd3609 595 printk(KERN_DEBUG MYNAM "%s::mptctl_ioctl() @%d - ioc%d not found!\n",
09120a8c 596 __FILE__, __LINE__, iocnumX);
1da177e4
LT		 597 return -ENODEV;
598 }
599
600 if (!iocp->active) {
29dd3609 601 printk(KERN_DEBUG MYNAM "%s::mptctl_ioctl() @%d - Controller disabled.\n",
1da177e4
LT		 602 __FILE__, __LINE__);
603 return -EFAULT;
604 }
605
606 /* Handle those commands that are just returning
607 * information stored in the driver.
608 * These commands should never time out and are unaffected
609 * by TM and FW reloads.
610 */
611 if ((cmd & ~IOCSIZE_MASK) == (MPTIOCINFO & ~IOCSIZE_MASK)) {
612 return mptctl_getiocinfo(arg, _IOC_SIZE(cmd));
613 } else if (cmd == MPTTARGETINFO) {
614 return mptctl_gettargetinfo(arg);
615 } else if (cmd == MPTTEST) {
616 return mptctl_readtest(arg);
617 } else if (cmd == MPTEVENTQUERY) {
618 return mptctl_eventquery(arg);
619 } else if (cmd == MPTEVENTENABLE) {
620 return mptctl_eventenable(arg);
621 } else if (cmd == MPTEVENTREPORT) {
622 return mptctl_eventreport(arg);
623 } else if (cmd == MPTFWREPLACE) {
624 return mptctl_replace_fw(arg);
625 }
626
627 /* All of these commands require an interrupt or
628 * are unknown/illegal.
629 */
630 if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0)
631 return ret;
632
1da177e4
LT		 633 if (cmd == MPTFWDOWNLOAD)
634 ret = mptctl_fw_download(arg);
635 else if (cmd == MPTCOMMAND)
636 ret = mptctl_mpt_command(arg);
637 else if (cmd == MPTHARDRESET)
638 ret = mptctl_do_reset(arg);
639 else if ((cmd & ~IOCSIZE_MASK) == (HP_GETHOSTINFO & ~IOCSIZE_MASK))
640 ret = mptctl_hp_hostinfo(arg, _IOC_SIZE(cmd));
641 else if (cmd == HP_GETTARGETINFO)
642 ret = mptctl_hp_targetinfo(arg);
643 else
644 ret = -EINVAL;
645
eeb846ce 646 mutex_unlock(&iocp->ioctl->ioctl_mutex);
1da177e4
LT		 647
648 return ret;
649}
650
651static long
652mptctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
653{
654 long ret;
655 lock_kernel();
656 ret = __mptctl_ioctl(file, cmd, arg);
657 unlock_kernel();
658 return ret;
659}
660
661static int mptctl_do_reset(unsigned long arg)
662{
663 struct mpt_ioctl_diag_reset __user *urinfo = (void __user *) arg;
664 struct mpt_ioctl_diag_reset krinfo;
665 MPT_ADAPTER *iocp;
666
1da177e4 667 if (copy_from_user(&krinfo, urinfo, sizeof(struct mpt_ioctl_diag_reset))) {
29dd3609 668 printk(KERN_ERR MYNAM "%s@%d::mptctl_do_reset - "
1da177e4
LT		 669 "Unable to copy mpt_ioctl_diag_reset struct @ %p\n",
670 __FILE__, __LINE__, urinfo);
671 return -EFAULT;
672 }
673
674 if (mpt_verify_adapter(krinfo.hdr.iocnum, &iocp) < 0) {
29dd3609 675 printk(KERN_DEBUG MYNAM "%s@%d::mptctl_do_reset - ioc%d not found!\n",
09120a8c 676 __FILE__, __LINE__, krinfo.hdr.iocnum);
1da177e4
LT		 677 return -ENODEV; /* (-6) No such device or address */
678 }
679
09120a8c
PS		 680 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "mptctl_do_reset called.\n",
681 iocp->name));
682
1da177e4 683 if (mpt_HardResetHandler(iocp, CAN_SLEEP) != 0) {
29dd3609
EM		 684 printk (MYIOC_s_ERR_FMT "%s@%d::mptctl_do_reset - reset failed.\n",
685 iocp->name, __FILE__, __LINE__);
1da177e4
LT		 686 return -1;
687 }
688
689 return 0;
690}
691
692/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
693/*
694 * MPT FW download function. Cast the arg into the mpt_fw_xfer structure.
695 * This structure contains: iocnum, firmware length (bytes),
696 * pointer to user space memory where the fw image is stored.
697 *
698 * Outputs: None.
699 * Return: 0 if successful
700 * -EFAULT if data unavailable
701 * -ENXIO if no such device
702 * -EAGAIN if resource problem
703 * -ENOMEM if no memory for SGE
704 * -EMLINK if too many chain buffers required
705 * -EBADRQC if adapter does not support FW download
706 * -EBUSY if adapter is busy
707 * -ENOMSG if FW upload returned bad status
708 */
709static int
710mptctl_fw_download(unsigned long arg)
711{
712 struct mpt_fw_xfer __user *ufwdl = (void __user *) arg;
713 struct mpt_fw_xfer kfwdl;
714
1da177e4 715 if (copy_from_user(&kfwdl, ufwdl, sizeof(struct mpt_fw_xfer))) {
29dd3609 716 printk(KERN_ERR MYNAM "%s@%d::_ioctl_fwdl - "
1da177e4
LT		 717 "Unable to copy mpt_fw_xfer struct @ %p\n",
718 __FILE__, __LINE__, ufwdl);
719 return -EFAULT;
720 }
721
722 return mptctl_do_fw_download(kfwdl.iocnum, kfwdl.bufp, kfwdl.fwlen);
723}
724
725/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
726/*
727 * FW Download engine.
728 * Outputs: None.
729 * Return: 0 if successful
730 * -EFAULT if data unavailable
731 * -ENXIO if no such device
732 * -EAGAIN if resource problem
733 * -ENOMEM if no memory for SGE
734 * -EMLINK if too many chain buffers required
735 * -EBADRQC if adapter does not support FW download
736 * -EBUSY if adapter is busy
737 * -ENOMSG if FW upload returned bad status
738 */
739static int
740mptctl_do_fw_download(int ioc, char __user *ufwbuf, size_t fwlen)
741{
742 FWDownload_t *dlmsg;
743 MPT_FRAME_HDR *mf;
744 MPT_ADAPTER *iocp;
745 FWDownloadTCSGE_t *ptsge;
746 MptSge_t *sgl, *sgIn;
747 char *sgOut;
748 struct buflist *buflist;
749 struct buflist *bl;
750 dma_addr_t sgl_dma;
751 int ret;
752 int numfrags = 0;
753 int maxfrags;
754 int n = 0;
755 u32 sgdir;
756 u32 nib;
757 int fw_bytes_copied = 0;
758 int i;
759 int sge_offset = 0;
760 u16 iocstat;
761 pFWDownloadReply_t ReplyMsg = NULL;
762
946cbf04 763 if (mpt_verify_adapter(ioc, &iocp) < 0) {
29dd3609
EM		 764 printk(KERN_DEBUG MYNAM "ioctl_fwdl - ioc%d not found!\n",
765 ioc);
1da177e4 766 return -ENODEV; /* (-6) No such device or address */
946cbf04 767 } else {
1da177e4 768
946cbf04
ME		 769 /* Valid device. Get a message frame and construct the FW download message.
770 */
771 if ((mf = mpt_get_msg_frame(mptctl_id, iocp)) == NULL)
772 return -EAGAIN;
773 }
09120a8c
PS		 774
775 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT
776 "mptctl_do_fwdl called. mptctl_id = %xh.\n", iocp->name, mptctl_id));
777 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: kfwdl.bufp = %p\n",
778 iocp->name, ufwbuf));
779 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: kfwdl.fwlen = %d\n",
780 iocp->name, (int)fwlen));
781 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: kfwdl.ioc = %04xh\n",
782 iocp->name, ioc));
783
1da177e4
LT		 784 dlmsg = (FWDownload_t*) mf;
785 ptsge = (FWDownloadTCSGE_t *) &dlmsg->SGL;
786 sgOut = (char *) (ptsge + 1);
787
788 /*
789 * Construct f/w download request
790 */
791 dlmsg->ImageType = MPI_FW_DOWNLOAD_ITYPE_FW;
792 dlmsg->Reserved = 0;
793 dlmsg->ChainOffset = 0;
794 dlmsg->Function = MPI_FUNCTION_FW_DOWNLOAD;
795 dlmsg->Reserved1[0] = dlmsg->Reserved1[1] = dlmsg->Reserved1[2] = 0;
946cbf04
ME		 796 if (iocp->facts.MsgVersion >= MPI_VERSION_01_05)
797 dlmsg->MsgFlags = MPI_FW_DOWNLOAD_MSGFLGS_LAST_SEGMENT;
798 else
799 dlmsg->MsgFlags = 0;
800
1da177e4
LT		 801
802 /* Set up the Transaction SGE.
803 */
804 ptsge->Reserved = 0;
805 ptsge->ContextSize = 0;
806 ptsge->DetailsLength = 12;
807 ptsge->Flags = MPI_SGE_FLAGS_TRANSACTION_ELEMENT;
808 ptsge->Reserved_0100_Checksum = 0;
809 ptsge->ImageOffset = 0;
810 ptsge->ImageSize = cpu_to_le32(fwlen);
811
812 /* Add the SGL
813 */
814
815 /*
816 * Need to kmalloc area(s) for holding firmware image bytes.
817 * But we need to do it piece meal, using a proper
818 * scatter gather list (with 128kB MAX hunks).
819 *
820 * A practical limit here might be # of sg hunks that fit into
821 * a single IOC request frame; 12 or 8 (see below), so:
822 * For FC9xx: 12 x 128kB == 1.5 mB (max)
823 * For C1030: 8 x 128kB == 1 mB (max)
824 * We could support chaining, but things get ugly(ier:)
825 *
826 * Set the sge_offset to the start of the sgl (bytes).
827 */
828 sgdir = 0x04000000; /* IOC will READ from sys mem */
829 sge_offset = sizeof(MPIHeader_t) + sizeof(FWDownloadTCSGE_t);
830 if ((sgl = kbuf_alloc_2_sgl(fwlen, sgdir, sge_offset,
831 &numfrags, &buflist, &sgl_dma, iocp)) == NULL)
832 return -ENOMEM;
833
834 /*
835 * We should only need SGL with 2 simple_32bit entries (up to 256 kB)
836 * for FC9xx f/w image, but calculate max number of sge hunks
837 * we can fit into a request frame, and limit ourselves to that.
838 * (currently no chain support)
839 * maxfrags = (Request Size - FWdownload Size ) / Size of 32 bit SGE
840 * Request maxfrags
841 * 128 12
842 * 96 8
843 * 64 4
844 */
845 maxfrags = (iocp->req_sz - sizeof(MPIHeader_t) - sizeof(FWDownloadTCSGE_t))
846 / (sizeof(dma_addr_t) + sizeof(u32));
847 if (numfrags > maxfrags) {
848 ret = -EMLINK;
849 goto fwdl_out;
850 }
851
09120a8c
PS		 852 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: sgl buffer = %p, sgfrags = %d\n",
853 iocp->name, sgl, numfrags));
1da177e4
LT		 854
855 /*
856 * Parse SG list, copying sgl itself,
857 * plus f/w image hunks from user space as we go...
858 */
859 ret = -EFAULT;
860 sgIn = sgl;
861 bl = buflist;
862 for (i=0; i < numfrags; i++) {
863
864 /* Get the SGE type: 0 - TCSGE, 3 - Chain, 1 - Simple SGE
865 * Skip everything but Simple. If simple, copy from
866 * user space into kernel space.
867 * Note: we should not have anything but Simple as
868 * Chain SGE are illegal.
869 */
870 nib = (sgIn->FlagsLength & 0x30000000) >> 28;
871 if (nib == 0 || nib == 3) {
872 ;
873 } else if (sgIn->Address) {
874 mpt_add_sge(sgOut, sgIn->FlagsLength, sgIn->Address);
875 n++;
876 if (copy_from_user(bl->kptr, ufwbuf+fw_bytes_copied, bl->len)) {
29dd3609
EM		 877 printk(MYIOC_s_ERR_FMT "%s@%d::_ioctl_fwdl - "
878 "Unable to copy f/w buffer hunk#%d @ %p\n",
879 iocp->name, __FILE__, __LINE__, n, ufwbuf);
1da177e4
LT		 880 goto fwdl_out;
881 }
882 fw_bytes_copied += bl->len;
883 }
884 sgIn++;
885 bl++;
886 sgOut += (sizeof(dma_addr_t) + sizeof(u32));
887 }
888
09120a8c 889 DBG_DUMP_FW_DOWNLOAD(iocp, (u32 *)mf, numfrags);
1da177e4
LT		 890
891 /*
892 * Finally, perform firmware download.
893 */
946cbf04 894 ReplyMsg = NULL;
1da177e4
LT		 895 mpt_put_msg_frame(mptctl_id, iocp, mf);
896
897 /* Now wait for the command to complete */
86a7dcaa 898 ret = wait_event_timeout(mptctl_wait,
1da177e4
LT		 899 iocp->ioctl->wait_done == 1,
900 HZ*60);
901
902 if(ret <=0 && (iocp->ioctl->wait_done != 1 )) {
903 /* Now we need to reset the board */
904 mptctl_timeout_expired(iocp->ioctl);
905 ret = -ENODATA;
906 goto fwdl_out;
907 }
908
909 if (sgl)
910 kfree_sgl(sgl, sgl_dma, buflist, iocp);
911
912 ReplyMsg = (pFWDownloadReply_t)iocp->ioctl->ReplyFrame;
913 iocstat = le16_to_cpu(ReplyMsg->IOCStatus) & MPI_IOCSTATUS_MASK;
914 if (iocstat == MPI_IOCSTATUS_SUCCESS) {
29dd3609 915 printk(MYIOC_s_INFO_FMT "F/W update successfull!\n", iocp->name);
1da177e4
LT		 916 return 0;
917 } else if (iocstat == MPI_IOCSTATUS_INVALID_FUNCTION) {
29dd3609
EM		 918 printk(MYIOC_s_WARN_FMT "Hmmm... F/W download not supported!?!\n",
919 iocp->name);
920 printk(MYIOC_s_WARN_FMT "(time to go bang on somebodies door)\n",
921 iocp->name);
1da177e4
LT		 922 return -EBADRQC;
923 } else if (iocstat == MPI_IOCSTATUS_BUSY) {
29dd3609
EM		 924 printk(MYIOC_s_WARN_FMT "IOC_BUSY!\n", iocp->name);
925 printk(MYIOC_s_WARN_FMT "(try again later?)\n", iocp->name);
1da177e4
LT		 926 return -EBUSY;
927 } else {
29dd3609
EM		 928 printk(MYIOC_s_WARN_FMT "ioctl_fwdl() returned [bad] status = %04xh\n",
929 iocp->name, iocstat);
930 printk(MYIOC_s_WARN_FMT "(bad VooDoo)\n", iocp->name);
1da177e4
LT		 931 return -ENOMSG;
932 }
933 return 0;
934
935fwdl_out:
936 kfree_sgl(sgl, sgl_dma, buflist, iocp);
937 return ret;
938}
939
940/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
941/*
942 * SGE Allocation routine
943 *
944 * Inputs: bytes - number of bytes to be transferred
945 * sgdir - data direction
946 * sge_offset - offset (in bytes) from the start of the request
947 * frame to the first SGE
948 * ioc - pointer to the mptadapter
949 * Outputs: frags - number of scatter gather elements
950 * blp - point to the buflist pointer
951 * sglbuf_dma - pointer to the (dma) sgl
952 * Returns: Null if failes
953 * pointer to the (virtual) sgl if successful.
954 */
955static MptSge_t *
956kbuf_alloc_2_sgl(int bytes, u32 sgdir, int sge_offset, int *frags,
957 struct buflist **blp, dma_addr_t *sglbuf_dma, MPT_ADAPTER *ioc)
958{
959 MptSge_t *sglbuf = NULL; /* pointer to array of SGE */
960 /* and chain buffers */
961 struct buflist *buflist = NULL; /* kernel routine */
962 MptSge_t *sgl;
963 int numfrags = 0;
964 int fragcnt = 0;
965 int alloc_sz = min(bytes,MAX_KMALLOC_SZ); // avoid kernel warning msg!
966 int bytes_allocd = 0;
967 int this_alloc;
968 dma_addr_t pa; // phys addr
969 int i, buflist_ent;
970 int sg_spill = MAX_FRAGS_SPILL1;
971 int dir;
972 /* initialization */
973 *frags = 0;
974 *blp = NULL;
975
976 /* Allocate and initialize an array of kernel
977 * structures for the SG elements.
978 */
979 i = MAX_SGL_BYTES / 8;
d7383a23
MK		 980 buflist = kzalloc(i, GFP_USER);
981 if (!buflist)
1da177e4 982 return NULL;
1da177e4
LT		 983 buflist_ent = 0;
984
985 /* Allocate a single block of memory to store the sg elements and
986 * the chain buffers. The calling routine is responsible for
987 * copying the data in this array into the correct place in the
988 * request and chain buffers.
989 */
990 sglbuf = pci_alloc_consistent(ioc->pcidev, MAX_SGL_BYTES, sglbuf_dma);
991 if (sglbuf == NULL)
992 goto free_and_fail;
993
994 if (sgdir & 0x04000000)
995 dir = PCI_DMA_TODEVICE;
996 else
997 dir = PCI_DMA_FROMDEVICE;
998
999 /* At start:
1000 * sgl = sglbuf = point to beginning of sg buffer
1001 * buflist_ent = 0 = first kernel structure
1002 * sg_spill = number of SGE that can be written before the first
1003 * chain element.
1004 *
1005 */
1006 sgl = sglbuf;
1007 sg_spill = ((ioc->req_sz - sge_offset)/(sizeof(dma_addr_t) + sizeof(u32))) - 1;
1008 while (bytes_allocd < bytes) {
1009 this_alloc = min(alloc_sz, bytes-bytes_allocd);
1010 buflist[buflist_ent].len = this_alloc;
1011 buflist[buflist_ent].kptr = pci_alloc_consistent(ioc->pcidev,
1012 this_alloc,
1013 &pa);
1014 if (buflist[buflist_ent].kptr == NULL) {
1015 alloc_sz = alloc_sz / 2;
1016 if (alloc_sz == 0) {
29dd3609
EM		 1017 printk(MYIOC_s_WARN_FMT "-SG: No can do - "
1018 "not enough memory! :-(\n", ioc->name);
1019 printk(MYIOC_s_WARN_FMT "-SG: (freeing %d frags)\n",
1020 ioc->name, numfrags);
1da177e4
LT		 1021 goto free_and_fail;
1022 }
1023 continue;
1024 } else {
1025 dma_addr_t dma_addr;
1026
1027 bytes_allocd += this_alloc;
1028 sgl->FlagsLength = (0x10000000|MPT_SGE_FLAGS_ADDRESSING|sgdir|this_alloc);
1029 dma_addr = pci_map_single(ioc->pcidev, buflist[buflist_ent].kptr, this_alloc, dir);
1030 sgl->Address = dma_addr;
1031
1032 fragcnt++;
1033 numfrags++;
1034 sgl++;
1035 buflist_ent++;
1036 }
1037
1038 if (bytes_allocd >= bytes)
1039 break;
1040
1041 /* Need to chain? */
1042 if (fragcnt == sg_spill) {
29dd3609
EM		 1043 printk(MYIOC_s_WARN_FMT
1044 "-SG: No can do - " "Chain required! :-(\n", ioc->name);
1045 printk(MYIOC_s_WARN_FMT "(freeing %d frags)\n", ioc->name, numfrags);
1da177e4
LT		 1046 goto free_and_fail;
1047 }
1048
1049 /* overflow check... */
1050 if (numfrags*8 > MAX_SGL_BYTES){
1051 /* GRRRRR... */
29dd3609
EM		 1052 printk(MYIOC_s_WARN_FMT "-SG: No can do - "
1053 "too many SG frags! :-(\n", ioc->name);
1054 printk(MYIOC_s_WARN_FMT "-SG: (freeing %d frags)\n",
1055 ioc->name, numfrags);
1da177e4
LT		 1056 goto free_and_fail;
1057 }
1058 }
1059
1060 /* Last sge fixup: set LE+eol+eob bits */
1061 sgl[-1].FlagsLength |= 0xC1000000;
1062
1063 *frags = numfrags;
1064 *blp = buflist;
1065
09120a8c
PS		 1066 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "-SG: kbuf_alloc_2_sgl() - "
1067 "%d SG frags generated!\n", ioc->name, numfrags));
1da177e4 1068
09120a8c
PS		 1069 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "-SG: kbuf_alloc_2_sgl() - "
1070 "last (big) alloc_sz=%d\n", ioc->name, alloc_sz));
1da177e4
LT		 1071
1072 return sglbuf;
1073
1074free_and_fail:
1075 if (sglbuf != NULL) {
1da177e4
LT		 1076 for (i = 0; i < numfrags; i++) {
1077 dma_addr_t dma_addr;
1078 u8 *kptr;
1079 int len;
1080
1081 if ((sglbuf[i].FlagsLength >> 24) == 0x30)
1082 continue;
1083
1084 dma_addr = sglbuf[i].Address;
1085 kptr = buflist[i].kptr;
1086 len = buflist[i].len;
1087
1088 pci_free_consistent(ioc->pcidev, len, kptr, dma_addr);
1089 }
1090 pci_free_consistent(ioc->pcidev, MAX_SGL_BYTES, sglbuf, *sglbuf_dma);
1091 }
1092 kfree(buflist);
1093 return NULL;
1094}
1095
1096/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1097/*
1098 * Routine to free the SGL elements.
1099 */
1100static void
1101kfree_sgl(MptSge_t *sgl, dma_addr_t sgl_dma, struct buflist *buflist, MPT_ADAPTER *ioc)
1102{
1103 MptSge_t *sg = sgl;
1104 struct buflist *bl = buflist;
1105 u32 nib;
1106 int dir;
1107 int n = 0;
1108
1109 if (sg->FlagsLength & 0x04000000)
1110 dir = PCI_DMA_TODEVICE;
1111 else
1112 dir = PCI_DMA_FROMDEVICE;
1113
1114 nib = (sg->FlagsLength & 0xF0000000) >> 28;
1115 while (! (nib & 0x4)) { /* eob */
1116 /* skip ignore/chain. */
1117 if (nib == 0 || nib == 3) {
1118 ;
1119 } else if (sg->Address) {
1120 dma_addr_t dma_addr;
1121 void *kptr;
1122 int len;
1123
1124 dma_addr = sg->Address;
1125 kptr = bl->kptr;
1126 len = bl->len;
1127 pci_unmap_single(ioc->pcidev, dma_addr, len, dir);
1128 pci_free_consistent(ioc->pcidev, len, kptr, dma_addr);
1129 n++;
1130 }
1131 sg++;
1132 bl++;
1133 nib = (le32_to_cpu(sg->FlagsLength) & 0xF0000000) >> 28;
1134 }
1135
1136 /* we're at eob! */
1137 if (sg->Address) {
1138 dma_addr_t dma_addr;
1139 void *kptr;
1140 int len;
1141
1142 dma_addr = sg->Address;
1143 kptr = bl->kptr;
1144 len = bl->len;
1145 pci_unmap_single(ioc->pcidev, dma_addr, len, dir);
1146 pci_free_consistent(ioc->pcidev, len, kptr, dma_addr);
1147 n++;
1148 }
1149
1150 pci_free_consistent(ioc->pcidev, MAX_SGL_BYTES, sgl, sgl_dma);
1151 kfree(buflist);
09120a8c
PS		 1152 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "-SG: Free'd 1 SGL buf + %d kbufs!\n",
1153 ioc->name, n));
1da177e4
LT		 1154}
1155
1156/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1157/*
1158 * mptctl_getiocinfo - Query the host adapter for IOC information.
1159 * @arg: User space argument
1160 *
1161 * Outputs: None.
1162 * Return: 0 if successful
1163 * -EFAULT if data unavailable
1164 * -ENODEV if no such device/adapter
1165 */
1166static int
1167mptctl_getiocinfo (unsigned long arg, unsigned int data_size)
1168{
1169 struct mpt_ioctl_iocinfo __user *uarg = (void __user *) arg;
1170 struct mpt_ioctl_iocinfo *karg;
1171 MPT_ADAPTER *ioc;
1172 struct pci_dev *pdev;
1da177e4 1173 int iocnum;
b6fe4ddc 1174 unsigned int port;
1da177e4
LT		 1175 int cim_rev;
1176 u8 revision;
793955f5 1177 struct scsi_device *sdev;
a69de507 1178 VirtDevice *vdevice;
1da177e4 1179
1da177e4
LT		 1180 /* Add of PCI INFO results in unaligned access for
1181 * IA64 and Sparc. Reset long to int. Return no PCI
1182 * data for obsolete format.
1183 */
1184 if (data_size == sizeof(struct mpt_ioctl_iocinfo_rev0))
1185 cim_rev = 0;
1186 else if (data_size == sizeof(struct mpt_ioctl_iocinfo_rev1))
1187 cim_rev = 1;
1188 else if (data_size == sizeof(struct mpt_ioctl_iocinfo))
1189 cim_rev = 2;
1190 else if (data_size == (sizeof(struct mpt_ioctl_iocinfo_rev0)+12))
1191 cim_rev = 0; /* obsolete */
1192 else
1193 return -EFAULT;
1194
1195 karg = kmalloc(data_size, GFP_KERNEL);
1196 if (karg == NULL) {
29dd3609 1197 printk(KERN_ERR MYNAM "%s::mpt_ioctl_iocinfo() @%d - no memory available!\n",
1da177e4
LT		 1198 __FILE__, __LINE__);
1199 return -ENOMEM;
1200 }
1201
1202 if (copy_from_user(karg, uarg, data_size)) {
29dd3609 1203 printk(KERN_ERR MYNAM "%s@%d::mptctl_getiocinfo - "
1da177e4
LT		 1204 "Unable to read in mpt_ioctl_iocinfo struct @ %p\n",
1205 __FILE__, __LINE__, uarg);
1206 kfree(karg);
1207 return -EFAULT;
1208 }
1209
1210 if (((iocnum = mpt_verify_adapter(karg->hdr.iocnum, &ioc)) < 0) ||
1211 (ioc == NULL)) {
29dd3609 1212 printk(KERN_DEBUG MYNAM "%s::mptctl_getiocinfo() @%d - ioc%d not found!\n",
09120a8c 1213 __FILE__, __LINE__, iocnum);
1da177e4
LT		 1214 kfree(karg);
1215 return -ENODEV;
1216 }
1217
b6fe4ddc 1218 /* Verify the data transfer size is correct. */
1da177e4 1219 if (karg->hdr.maxDataSize != data_size) {
29dd3609 1220 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_getiocinfo - "
1da177e4 1221 "Structure size mismatch. Command not completed.\n",
29dd3609 1222 ioc->name, __FILE__, __LINE__);
1da177e4
LT		 1223 kfree(karg);
1224 return -EFAULT;
1225 }
1226
09120a8c
PS		 1227 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_getiocinfo called.\n",
1228 ioc->name));
1229
1da177e4
LT		 1230 /* Fill in the data and return the structure to the calling
1231 * program
1232 */
9cc1cfbc
ME		 1233 if (ioc->bus_type == SAS)
1234 karg->adapterType = MPT_IOCTL_INTERFACE_SAS;
1235 else if (ioc->bus_type == FC)
1da177e4
LT		 1236 karg->adapterType = MPT_IOCTL_INTERFACE_FC;
1237 else
1238 karg->adapterType = MPT_IOCTL_INTERFACE_SCSI;
1239
b6fe4ddc
MED		 1240 if (karg->hdr.port > 1)
1241 return -EINVAL;
1da177e4
LT		 1242 port = karg->hdr.port;
1243
1244 karg->port = port;
1245 pdev = (struct pci_dev *) ioc->pcidev;
1246
1247 karg->pciId = pdev->device;
1248 pci_read_config_byte(pdev, PCI_CLASS_REVISION, &revision);
1249 karg->hwRev = revision;
1250 karg->subSystemDevice = pdev->subsystem_device;
1251 karg->subSystemVendor = pdev->subsystem_vendor;
1252
1253 if (cim_rev == 1) {
1254 /* Get the PCI bus, device, and function numbers for the IOC
1255 */
1256 karg->pciInfo.u.bits.busNumber = pdev->bus->number;
1257 karg->pciInfo.u.bits.deviceNumber = PCI_SLOT( pdev->devfn );
1258 karg->pciInfo.u.bits.functionNumber = PCI_FUNC( pdev->devfn );
1259 } else if (cim_rev == 2) {
86a7dcaa 1260 /* Get the PCI bus, device, function and segment ID numbers
1da177e4
LT		 1261 for the IOC */
1262 karg->pciInfo.u.bits.busNumber = pdev->bus->number;
1263 karg->pciInfo.u.bits.deviceNumber = PCI_SLOT( pdev->devfn );
1264 karg->pciInfo.u.bits.functionNumber = PCI_FUNC( pdev->devfn );
1da177e4
LT		 1265 karg->pciInfo.segmentID = pci_domain_nr(pdev->bus);
1266 }
1267
1268 /* Get number of devices
1269 */
793955f5
EM		 1270 karg->numDevices = 0;
1271 if (ioc->sh) {
1272 shost_for_each_device(sdev, ioc->sh) {
a69de507
EM		 1273 vdevice = sdev->hostdata;
1274 if (vdevice->vtarget->tflags &
793955f5
EM		 1275 MPT_TARGET_FLAGS_RAID_COMPONENT)
1276 continue;
1277 karg->numDevices++;
1da177e4
LT		 1278 }
1279 }
1da177e4
LT		 1280
1281 /* Set the BIOS and FW Version
1282 */
1283 karg->FWVersion = ioc->facts.FWVersion.Word;
1284 karg->BIOSVersion = ioc->biosVersion;
1285
1286 /* Set the Version Strings.
1287 */
1288 strncpy (karg->driverVersion, MPT_LINUX_PACKAGE_NAME, MPT_IOCTL_VERSION_LENGTH);
1289 karg->driverVersion[MPT_IOCTL_VERSION_LENGTH-1]='\0';
1290
1291 karg->busChangeEvent = 0;
1292 karg->hostId = ioc->pfacts[port].PortSCSIID;
1293 karg->rsvd[0] = karg->rsvd[1] = 0;
1294
1295 /* Copy the data from kernel memory to user memory
1296 */
1297 if (copy_to_user((char __user *)arg, karg, data_size)) {
29dd3609 1298 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_getiocinfo - "
1da177e4 1299 "Unable to write out mpt_ioctl_iocinfo struct @ %p\n",
29dd3609 1300 ioc->name, __FILE__, __LINE__, uarg);
1da177e4
LT		 1301 kfree(karg);
1302 return -EFAULT;
1303 }
1304
1305 kfree(karg);
1306 return 0;
1307}
1308
1309/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1310/*
1311 * mptctl_gettargetinfo - Query the host adapter for target information.
1312 * @arg: User space argument
1313 *
1314 * Outputs: None.
1315 * Return: 0 if successful
1316 * -EFAULT if data unavailable
1317 * -ENODEV if no such device/adapter
1318 */
1319static int
1320mptctl_gettargetinfo (unsigned long arg)
1321{
1322 struct mpt_ioctl_targetinfo __user *uarg = (void __user *) arg;
1323 struct mpt_ioctl_targetinfo karg;
1324 MPT_ADAPTER *ioc;
a69de507 1325 VirtDevice *vdevice;
1da177e4
LT		 1326 char *pmem;
1327 int *pdata;
1da177e4
LT		 1328 int iocnum;
1329 int numDevices = 0;
793955f5 1330 int lun;
1da177e4
LT		 1331 int maxWordsLeft;
1332 int numBytes;
793955f5
EM		 1333 u8 port;
1334 struct scsi_device *sdev;
1da177e4 1335
1da177e4 1336 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_targetinfo))) {
29dd3609 1337 printk(KERN_ERR MYNAM "%s@%d::mptctl_gettargetinfo - "
1da177e4
LT		 1338 "Unable to read in mpt_ioctl_targetinfo struct @ %p\n",
1339 __FILE__, __LINE__, uarg);
1340 return -EFAULT;
1341 }
1342
1343 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
1344 (ioc == NULL)) {
29dd3609 1345 printk(KERN_DEBUG MYNAM "%s::mptctl_gettargetinfo() @%d - ioc%d not found!\n",
09120a8c 1346 __FILE__, __LINE__, iocnum);
1da177e4
LT		 1347 return -ENODEV;
1348 }
1349
09120a8c
PS		 1350 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_gettargetinfo called.\n",
1351 ioc->name));
1da177e4
LT		 1352 /* Get the port number and set the maximum number of bytes
1353 * in the returned structure.
1354 * Ignore the port setting.
1355 */
1356 numBytes = karg.hdr.maxDataSize - sizeof(mpt_ioctl_header);
1357 maxWordsLeft = numBytes/sizeof(int);
1358 port = karg.hdr.port;
1359
1360 if (maxWordsLeft <= 0) {
29dd3609
EM		 1361 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo() - no memory available!\n",
1362 ioc->name, __FILE__, __LINE__);
1da177e4
LT		 1363 return -ENOMEM;
1364 }
1365
1366 /* Fill in the data and return the structure to the calling
1367 * program
1368 */
1369
1370 /* struct mpt_ioctl_targetinfo does not contain sufficient space
1371 * for the target structures so when the IOCTL is called, there is
1372 * not sufficient stack space for the structure. Allocate memory,
1373 * populate the memory, copy back to the user, then free memory.
1374 * targetInfo format:
1375 * bits 31-24: reserved
1376 * 23-16: LUN
1377 * 15- 8: Bus Number
1378 * 7- 0: Target ID
1379 */
d7383a23
MK		 1380 pmem = kzalloc(numBytes, GFP_KERNEL);
1381 if (!pmem) {
29dd3609
EM		 1382 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo() - no memory available!\n",
1383 ioc->name, __FILE__, __LINE__);
1da177e4
LT		 1384 return -ENOMEM;
1385 }
1da177e4
LT		 1386 pdata = (int *) pmem;
1387
1388 /* Get number of devices
1389 */
793955f5
EM		 1390 if (ioc->sh){
1391 shost_for_each_device(sdev, ioc->sh) {
1392 if (!maxWordsLeft)
1393 continue;
a69de507
EM		 1394 vdevice = sdev->hostdata;
1395 if (vdevice->vtarget->tflags &
793955f5
EM		 1396 MPT_TARGET_FLAGS_RAID_COMPONENT)
1397 continue;
a69de507
EM		 1398 lun = (vdevice->vtarget->raidVolume) ? 0x80 : vdevice->lun;
1399 *pdata = (((u8)lun << 16) + (vdevice->vtarget->channel << 8) +
1400 (vdevice->vtarget->id ));
793955f5
EM		 1401 pdata++;
1402 numDevices++;
1403 --maxWordsLeft;
1da177e4
LT		 1404 }
1405 }
1da177e4
LT		 1406 karg.numDevices = numDevices;
1407
1408 /* Copy part of the data from kernel memory to user memory
1409 */
1410 if (copy_to_user((char __user *)arg, &karg,
1411 sizeof(struct mpt_ioctl_targetinfo))) {
29dd3609 1412 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo - "
1da177e4 1413 "Unable to write out mpt_ioctl_targetinfo struct @ %p\n",
29dd3609 1414 ioc->name, __FILE__, __LINE__, uarg);
1da177e4
LT		 1415 kfree(pmem);
1416 return -EFAULT;
1417 }
1418
1419 /* Copy the remaining data from kernel memory to user memory
1420 */
1421 if (copy_to_user(uarg->targetInfo, pmem, numBytes)) {
29dd3609 1422 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo - "
1da177e4 1423 "Unable to write out mpt_ioctl_targetinfo struct @ %p\n",
29dd3609 1424 ioc->name, __FILE__, __LINE__, pdata);
1da177e4
LT		 1425 kfree(pmem);
1426 return -EFAULT;
1427 }
1428
1429 kfree(pmem);
1430
1431 return 0;
1432}
1433
1434/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1435/* MPT IOCTL Test function.
1436 *
1437 * Outputs: None.
1438 * Return: 0 if successful
1439 * -EFAULT if data unavailable
1440 * -ENODEV if no such device/adapter
1441 */
1442static int
1443mptctl_readtest (unsigned long arg)
1444{
1445 struct mpt_ioctl_test __user *uarg = (void __user *) arg;
1446 struct mpt_ioctl_test karg;
1447 MPT_ADAPTER *ioc;
1448 int iocnum;
1449
1da177e4 1450 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_test))) {
29dd3609 1451 printk(KERN_ERR MYNAM "%s@%d::mptctl_readtest - "
1da177e4
LT		 1452 "Unable to read in mpt_ioctl_test struct @ %p\n",
1453 __FILE__, __LINE__, uarg);
1454 return -EFAULT;
1455 }
1456
1457 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
1458 (ioc == NULL)) {
29dd3609 1459 printk(KERN_DEBUG MYNAM "%s::mptctl_readtest() @%d - ioc%d not found!\n",
09120a8c 1460 __FILE__, __LINE__, iocnum);
1da177e4
LT		 1461 return -ENODEV;
1462 }
1463
09120a8c
PS		 1464 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_readtest called.\n",
1465 ioc->name));
1da177e4
LT		 1466 /* Fill in the data and return the structure to the calling
1467 * program
1468 */
1469
1470#ifdef MFCNT
1471 karg.chip_type = ioc->mfcnt;
1472#else
1473 karg.chip_type = ioc->pcidev->device;
1474#endif
1475 strncpy (karg.name, ioc->name, MPT_MAX_NAME);
1476 karg.name[MPT_MAX_NAME-1]='\0';
1477 strncpy (karg.product, ioc->prod_name, MPT_PRODUCT_LENGTH);
1478 karg.product[MPT_PRODUCT_LENGTH-1]='\0';
1479
1480 /* Copy the data from kernel memory to user memory
1481 */
1482 if (copy_to_user((char __user *)arg, &karg, sizeof(struct mpt_ioctl_test))) {
29dd3609 1483 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_readtest - "
1da177e4 1484 "Unable to write out mpt_ioctl_test struct @ %p\n",
29dd3609 1485 ioc->name, __FILE__, __LINE__, uarg);
1da177e4
LT		 1486 return -EFAULT;
1487 }
1488
1489 return 0;
1490}
1491
1492/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1493/*
1494 * mptctl_eventquery - Query the host adapter for the event types
1495 * that are being logged.
1496 * @arg: User space argument
1497 *
1498 * Outputs: None.
1499 * Return: 0 if successful
1500 * -EFAULT if data unavailable
1501 * -ENODEV if no such device/adapter
1502 */
1503static int
1504mptctl_eventquery (unsigned long arg)
1505{
1506 struct mpt_ioctl_eventquery __user *uarg = (void __user *) arg;
1507 struct mpt_ioctl_eventquery karg;
1508 MPT_ADAPTER *ioc;
1509 int iocnum;
1510
1da177e4 1511 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventquery))) {
29dd3609 1512 printk(KERN_ERR MYNAM "%s@%d::mptctl_eventquery - "
1da177e4
LT		 1513 "Unable to read in mpt_ioctl_eventquery struct @ %p\n",
1514 __FILE__, __LINE__, uarg);
1515 return -EFAULT;
1516 }
1517
1518 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
1519 (ioc == NULL)) {
29dd3609 1520 printk(KERN_DEBUG MYNAM "%s::mptctl_eventquery() @%d - ioc%d not found!\n",
09120a8c 1521 __FILE__, __LINE__, iocnum);
1da177e4
LT		 1522 return -ENODEV;
1523 }
1524
09120a8c
PS		 1525 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_eventquery called.\n",
1526 ioc->name));
5b5ef4f6 1527 karg.eventEntries = MPTCTL_EVENT_LOG_SIZE;
1da177e4
LT		 1528 karg.eventTypes = ioc->eventTypes;
1529
1530 /* Copy the data from kernel memory to user memory
1531 */
1532 if (copy_to_user((char __user *)arg, &karg, sizeof(struct mpt_ioctl_eventquery))) {
29dd3609 1533 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_eventquery - "
1da177e4 1534 "Unable to write out mpt_ioctl_eventquery struct @ %p\n",
29dd3609 1535 ioc->name, __FILE__, __LINE__, uarg);
1da177e4
LT		 1536 return -EFAULT;
1537 }
1538 return 0;
1539}
1540
1541/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1542static int
1543mptctl_eventenable (unsigned long arg)
1544{
1545 struct mpt_ioctl_eventenable __user *uarg = (void __user *) arg;
1546 struct mpt_ioctl_eventenable karg;
1547 MPT_ADAPTER *ioc;
1548 int iocnum;
1549
1da177e4 1550 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventenable))) {
29dd3609 1551 printk(KERN_ERR MYNAM "%s@%d::mptctl_eventenable - "
1da177e4
LT		 1552 "Unable to read in mpt_ioctl_eventenable struct @ %p\n",
1553 __FILE__, __LINE__, uarg);
1554 return -EFAULT;
1555 }
1556
1557 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
1558 (ioc == NULL)) {
29dd3609 1559 printk(KERN_DEBUG MYNAM "%s::mptctl_eventenable() @%d - ioc%d not found!\n",
09120a8c 1560 __FILE__, __LINE__, iocnum);
1da177e4
LT		 1561 return -ENODEV;
1562 }
1563
09120a8c
PS		 1564 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_eventenable called.\n",
1565 ioc->name));
1da177e4
LT		 1566 if (ioc->events == NULL) {
1567 /* Have not yet allocated memory - do so now.
1568 */
1569 int sz = MPTCTL_EVENT_LOG_SIZE * sizeof(MPT_IOCTL_EVENTS);
d7383a23
MK		 1570 ioc->events = kzalloc(sz, GFP_KERNEL);
1571 if (!ioc->events) {
29dd3609
EM		 1572 printk(MYIOC_s_ERR_FMT
1573 ": ERROR - Insufficient memory to add adapter!\n",
1574 ioc->name);
1da177e4
LT		 1575 return -ENOMEM;
1576 }
1da177e4
LT		 1577 ioc->alloc_total += sz;
1578
1da177e4
LT		 1579 ioc->eventContext = 0;
1580 }
1581
1582 /* Update the IOC event logging flag.
1583 */
1584 ioc->eventTypes = karg.eventTypes;
1585
1586 return 0;
1587}
1588
1589/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1590static int
1591mptctl_eventreport (unsigned long arg)
1592{
1593 struct mpt_ioctl_eventreport __user *uarg = (void __user *) arg;
1594 struct mpt_ioctl_eventreport karg;
1595 MPT_ADAPTER *ioc;
1596 int iocnum;
1597 int numBytes, maxEvents, max;
1598
1da177e4 1599 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventreport))) {
29dd3609 1600 printk(KERN_ERR MYNAM "%s@%d::mptctl_eventreport - "
1da177e4
LT		 1601 "Unable to read in mpt_ioctl_eventreport struct @ %p\n",
1602 __FILE__, __LINE__, uarg);
1603 return -EFAULT;
1604 }
1605
1606 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
1607 (ioc == NULL)) {
29dd3609 1608 printk(KERN_DEBUG MYNAM "%s::mptctl_eventreport() @%d - ioc%d not found!\n",
09120a8c 1609 __FILE__, __LINE__, iocnum);
1da177e4
LT		 1610 return -ENODEV;
1611 }
09120a8c
PS		 1612 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_eventreport called.\n",
1613 ioc->name));
1da177e4
LT		 1614
1615 numBytes = karg.hdr.maxDataSize - sizeof(mpt_ioctl_header);
1616 maxEvents = numBytes/sizeof(MPT_IOCTL_EVENTS);
1617
1618
5b5ef4f6 1619 max = MPTCTL_EVENT_LOG_SIZE < maxEvents ? MPTCTL_EVENT_LOG_SIZE : maxEvents;
1da177e4
LT		 1620
1621 /* If fewer than 1 event is requested, there must have
1622 * been some type of error.
1623 */
1624 if ((max < 1) || !ioc->events)
1625 return -ENODATA;
1626
ea5a7a82
ME		 1627 /* reset this flag so SIGIO can restart */
1628 ioc->aen_event_read_flag=0;
1629
1da177e4
LT		 1630 /* Copy the data from kernel memory to user memory
1631 */
1632 numBytes = max * sizeof(MPT_IOCTL_EVENTS);
1633 if (copy_to_user(uarg->eventData, ioc->events, numBytes)) {
29dd3609 1634 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_eventreport - "
1da177e4 1635 "Unable to write out mpt_ioctl_eventreport struct @ %p\n",
29dd3609 1636 ioc->name, __FILE__, __LINE__, ioc->events);
1da177e4
LT		 1637 return -EFAULT;
1638 }
1639
1640 return 0;
1641}
1642
1643/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1644static int
1645mptctl_replace_fw (unsigned long arg)
1646{
1647 struct mpt_ioctl_replace_fw __user *uarg = (void __user *) arg;
1648 struct mpt_ioctl_replace_fw karg;
1649 MPT_ADAPTER *ioc;
1650 int iocnum;
1651 int newFwSize;
1652
1da177e4 1653 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_replace_fw))) {
29dd3609 1654 printk(KERN_ERR MYNAM "%s@%d::mptctl_replace_fw - "
1da177e4
LT		 1655 "Unable to read in mpt_ioctl_replace_fw struct @ %p\n",
1656 __FILE__, __LINE__, uarg);
1657 return -EFAULT;
1658 }
1659
1660 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
1661 (ioc == NULL)) {
29dd3609 1662 printk(KERN_DEBUG MYNAM "%s::mptctl_replace_fw() @%d - ioc%d not found!\n",
09120a8c 1663 __FILE__, __LINE__, iocnum);
1da177e4
LT		 1664 return -ENODEV;
1665 }
1666
09120a8c
PS		 1667 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_replace_fw called.\n",
1668 ioc->name));
1da177e4
LT		 1669 /* If caching FW, Free the old FW image
1670 */
1671 if (ioc->cached_fw == NULL)
1672 return 0;
1673
1674 mpt_free_fw_memory(ioc);
1675
1676 /* Allocate memory for the new FW image
1677 */
1678 newFwSize = karg.newImageSize;
1679
1680 if (newFwSize & 0x01)
1681 newFwSize += 1;
1682 if (newFwSize & 0x02)
1683 newFwSize += 2;
1684
1685 mpt_alloc_fw_memory(ioc, newFwSize);
1686 if (ioc->cached_fw == NULL)
1687 return -ENOMEM;
1688
1689 /* Copy the data from user memory to kernel space
1690 */
1691 if (copy_from_user(ioc->cached_fw, uarg->newImage, newFwSize)) {
29dd3609 1692 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_replace_fw - "
1da177e4 1693 "Unable to read in mpt_ioctl_replace_fw image "
29dd3609 1694 "@ %p\n", ioc->name, __FILE__, __LINE__, uarg);
1da177e4
LT		 1695 mpt_free_fw_memory(ioc);
1696 return -EFAULT;
1697 }
1698
1699 /* Update IOCFactsReply
1700 */
1701 ioc->facts.FWImageSize = newFwSize;
1702 return 0;
1703}
1704
1705/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1706/* MPT IOCTL MPTCOMMAND function.
1707 * Cast the arg into the mpt_ioctl_mpt_command structure.
1708 *
1709 * Outputs: None.
1710 * Return: 0 if successful
1711 * -EBUSY if previous command timout and IOC reset is not complete.
1712 * -EFAULT if data unavailable
1713 * -ENODEV if no such device/adapter
1714 * -ETIME if timer expires
1715 * -ENOMEM if memory allocation error
1716 */
1717static int
1718mptctl_mpt_command (unsigned long arg)
1719{
1720 struct mpt_ioctl_command __user *uarg = (void __user *) arg;
1721 struct mpt_ioctl_command karg;
1722 MPT_ADAPTER *ioc;
1723 int iocnum;
1724 int rc;
1725
1da177e4
LT		 1726
1727 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_command))) {
29dd3609 1728 printk(KERN_ERR MYNAM "%s@%d::mptctl_mpt_command - "
1da177e4
LT		 1729 "Unable to read in mpt_ioctl_command struct @ %p\n",
1730 __FILE__, __LINE__, uarg);
1731 return -EFAULT;
1732 }
1733
1734 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
1735 (ioc == NULL)) {
29dd3609 1736 printk(KERN_DEBUG MYNAM "%s::mptctl_mpt_command() @%d - ioc%d not found!\n",
09120a8c 1737 __FILE__, __LINE__, iocnum);
1da177e4
LT		 1738 return -ENODEV;
1739 }
1740
1741 rc = mptctl_do_mpt_command (karg, &uarg->MF);
1742
1743 return rc;
1744}
1745
1746/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1747/* Worker routine for the IOCTL MPTCOMMAND and MPTCOMMAND32 (sparc) commands.
1748 *
1749 * Outputs: None.
1750 * Return: 0 if successful
1751 * -EBUSY if previous command timout and IOC reset is not complete.
1752 * -EFAULT if data unavailable
1753 * -ENODEV if no such device/adapter
1754 * -ETIME if timer expires
1755 * -ENOMEM if memory allocation error
1756 * -EPERM if SCSI I/O and target is untagged
1757 */
1758static int
1759mptctl_do_mpt_command (struct mpt_ioctl_command karg, void __user *mfPtr)
1760{
1761 MPT_ADAPTER *ioc;
1762 MPT_FRAME_HDR *mf = NULL;
1763 MPIHeader_t *hdr;
1764 char *psge;
1765 struct buflist bufIn; /* data In buffer */
1766 struct buflist bufOut; /* data Out buffer */
1767 dma_addr_t dma_addr_in;
1768 dma_addr_t dma_addr_out;
1769 int sgSize = 0; /* Num SG elements */
1770 int iocnum, flagsLength;
1771 int sz, rc = 0;
1772 int msgContext;
1773 u16 req_idx;
1774 ulong timeout;
793955f5 1775 struct scsi_device *sdev;
1da177e4 1776
ab371287
EM		 1777 /* bufIn and bufOut are used for user to kernel space transfers
1778 */
1da177e4 1779 bufIn.kptr = bufOut.kptr = NULL;
ab371287 1780 bufIn.len = bufOut.len = 0;
1da177e4
LT		 1781
1782 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
1783 (ioc == NULL)) {
29dd3609 1784 printk(KERN_DEBUG MYNAM "%s::mptctl_do_mpt_command() @%d - ioc%d not found!\n",
09120a8c 1785 __FILE__, __LINE__, iocnum);
1da177e4
LT		 1786 return -ENODEV;
1787 }
1788 if (!ioc->ioctl) {
29dd3609 1789 printk(KERN_ERR MYNAM "%s@%d::mptctl_do_mpt_command - "
1da177e4
LT		 1790 "No memory available during driver init.\n",
1791 __FILE__, __LINE__);
1792 return -ENOMEM;
1793 } else if (ioc->ioctl->status & MPT_IOCTL_STATUS_DID_IOCRESET) {
29dd3609 1794 printk(KERN_ERR MYNAM "%s@%d::mptctl_do_mpt_command - "
1da177e4
LT		 1795 "Busy with IOC Reset \n", __FILE__, __LINE__);
1796 return -EBUSY;
1797 }
1798
1799 /* Verify that the final request frame will not be too large.
1800 */
1801 sz = karg.dataSgeOffset * 4;
1802 if (karg.dataInSize > 0)
1803 sz += sizeof(dma_addr_t) + sizeof(u32);
1804 if (karg.dataOutSize > 0)
1805 sz += sizeof(dma_addr_t) + sizeof(u32);
1806
1807 if (sz > ioc->req_sz) {
29dd3609 1808 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
1da177e4 1809 "Request frame too large (%d) maximum (%d)\n",
29dd3609 1810 ioc->name, __FILE__, __LINE__, sz, ioc->req_sz);
1da177e4
LT		 1811 return -EFAULT;
1812 }
1813
1814 /* Get a free request frame and save the message context.
1815 */
1816 if ((mf = mpt_get_msg_frame(mptctl_id, ioc)) == NULL)
1817 return -EAGAIN;
1818
1819 hdr = (MPIHeader_t *) mf;
1820 msgContext = le32_to_cpu(hdr->MsgContext);
1821 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1822
1823 /* Copy the request frame
1824 * Reset the saved message context.
1825 * Request frame in user space
1826 */
1827 if (copy_from_user(mf, mfPtr, karg.dataSgeOffset * 4)) {
29dd3609 1828 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
1da177e4 1829 "Unable to read MF from mpt_ioctl_command struct @ %p\n",
29dd3609 1830 ioc->name, __FILE__, __LINE__, mfPtr);
1da177e4
LT		 1831 rc = -EFAULT;
1832 goto done_free_mem;
1833 }
1834 hdr->MsgContext = cpu_to_le32(msgContext);
1835
1836
1837 /* Verify that this request is allowed.
1838 */
09120a8c
PS		 1839 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sending mpi function (0x%02X), req=%p\n",
1840 ioc->name, hdr->Function, mf));
1841
1da177e4
LT		 1842 switch (hdr->Function) {
1843 case MPI_FUNCTION_IOC_FACTS:
1844 case MPI_FUNCTION_PORT_FACTS:
1845 karg.dataOutSize = karg.dataInSize = 0;
1846 break;
1847
1848 case MPI_FUNCTION_CONFIG:
09120a8c
PS		 1849 {
1850 Config_t *config_frame;
1851 config_frame = (Config_t *)mf;
1852 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\ttype=0x%02x ext_type=0x%02x "
1853 "number=0x%02x action=0x%02x\n", ioc->name,
1854 config_frame->Header.PageType,
1855 config_frame->ExtPageType,
1856 config_frame->Header.PageNumber,
1857 config_frame->Action));
1858 break;
1859 }
1860
1da177e4
LT		 1861 case MPI_FUNCTION_FC_COMMON_TRANSPORT_SEND:
1862 case MPI_FUNCTION_FC_EX_LINK_SRVC_SEND:
1863 case MPI_FUNCTION_FW_UPLOAD:
1864 case MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR:
1865 case MPI_FUNCTION_FW_DOWNLOAD:
1866 case MPI_FUNCTION_FC_PRIMITIVE_SEND:
096f7a2a
ME		 1867 case MPI_FUNCTION_TOOLBOX:
1868 case MPI_FUNCTION_SAS_IO_UNIT_CONTROL:
1da177e4
LT		 1869 break;
1870
1871 case MPI_FUNCTION_SCSI_IO_REQUEST:
1872 if (ioc->sh) {
1873 SCSIIORequest_t *pScsiReq = (SCSIIORequest_t *) mf;
1da177e4
LT		 1874 int qtag = MPI_SCSIIO_CONTROL_UNTAGGED;
1875 int scsidir = 0;
1da177e4 1876 int dataSize;
793955f5 1877 u32 id;
1da177e4 1878
793955f5
EM		 1879 id = (ioc->devices_per_bus == 0) ? 256 : ioc->devices_per_bus;
1880 if (pScsiReq->TargetID > id) {
29dd3609 1881 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
1da177e4 1882 "Target ID out of bounds. \n",
29dd3609 1883 ioc->name, __FILE__, __LINE__);
1da177e4
LT		 1884 rc = -ENODEV;
1885 goto done_free_mem;
1886 }
1887
793955f5 1888 if (pScsiReq->Bus >= ioc->number_of_buses) {
29dd3609 1889 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
793955f5 1890 "Target Bus out of bounds. \n",
29dd3609 1891 ioc->name, __FILE__, __LINE__);
793955f5
EM		 1892 rc = -ENODEV;
1893 goto done_free_mem;
1894 }
1895
5f07e249
ME		 1896 pScsiReq->MsgFlags &= ~MPI_SCSIIO_MSGFLGS_SENSE_WIDTH;
1897 pScsiReq->MsgFlags |= mpt_msg_flags();
1898
1da177e4
LT		 1899
1900 /* verify that app has not requested
1901 * more sense data than driver
1902 * can provide, if so, reset this parameter
1903 * set the sense buffer pointer low address
1904 * update the control field to specify Q type
1905 */
1906 if (karg.maxSenseBytes > MPT_SENSE_BUFFER_SIZE)
1907 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1908 else
1909 pScsiReq->SenseBufferLength = karg.maxSenseBytes;
1910
1911 pScsiReq->SenseBufferLowAddr =
1912 cpu_to_le32(ioc->sense_buf_low_dma
1913 + (req_idx * MPT_SENSE_BUFFER_ALLOC));
1914
793955f5
EM		 1915 shost_for_each_device(sdev, ioc->sh) {
1916 struct scsi_target *starget = scsi_target(sdev);
1917 VirtTarget *vtarget = starget->hostdata;
1da177e4 1918
793955f5
EM		 1919 if ((pScsiReq->TargetID == vtarget->id) &&
1920 (pScsiReq->Bus == vtarget->channel) &&
1921 (vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
1922 qtag = MPI_SCSIIO_CONTROL_SIMPLEQ;
1923 }
1da177e4
LT		 1924
1925 /* Have the IOCTL driver set the direction based
1926 * on the dataOutSize (ordering issue with Sparc).
1927 */
1928 if (karg.dataOutSize > 0) {
1929 scsidir = MPI_SCSIIO_CONTROL_WRITE;
1930 dataSize = karg.dataOutSize;
1931 } else {
1932 scsidir = MPI_SCSIIO_CONTROL_READ;
1933 dataSize = karg.dataInSize;
1934 }
1935
1936 pScsiReq->Control = cpu_to_le32(scsidir | qtag);
1937 pScsiReq->DataLength = cpu_to_le32(dataSize);
1938
1939 ioc->ioctl->reset = MPTCTL_RESET_OK;
793955f5 1940 ioc->ioctl->id = pScsiReq->TargetID;
1da177e4
LT		 1941
1942 } else {
29dd3609 1943 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
1da177e4 1944 "SCSI driver is not loaded. \n",
29dd3609 1945 ioc->name, __FILE__, __LINE__);
1da177e4
LT		 1946 rc = -EFAULT;
1947 goto done_free_mem;
1948 }
1949 break;
1950
096f7a2a
ME		 1951 case MPI_FUNCTION_SMP_PASSTHROUGH:
1952 /* Check mf->PassthruFlags to determine if
1953 * transfer is ImmediateMode or not.
1954 * Immediate mode returns data in the ReplyFrame.
1955 * Else, we are sending request and response data
1956 * in two SGLs at the end of the mf.
1957 */
1958 break;
1959
1960 case MPI_FUNCTION_SATA_PASSTHROUGH:
1961 if (!ioc->sh) {
29dd3609 1962 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
096f7a2a 1963 "SCSI driver is not loaded. \n",
29dd3609 1964 ioc->name, __FILE__, __LINE__);
096f7a2a
ME		 1965 rc = -EFAULT;
1966 goto done_free_mem;
1967 }
1968 break;
1969
1da177e4
LT		 1970 case MPI_FUNCTION_RAID_ACTION:
1971 /* Just add a SGE
1972 */
1973 break;
1974
1975 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH:
1976 if (ioc->sh) {
1977 SCSIIORequest_t *pScsiReq = (SCSIIORequest_t *) mf;
1978 int qtag = MPI_SCSIIO_CONTROL_SIMPLEQ;
1979 int scsidir = MPI_SCSIIO_CONTROL_READ;
1980 int dataSize;
1981
5f07e249
ME		 1982 pScsiReq->MsgFlags &= ~MPI_SCSIIO_MSGFLGS_SENSE_WIDTH;
1983 pScsiReq->MsgFlags |= mpt_msg_flags();
1984
1da177e4
LT		 1985
1986 /* verify that app has not requested
1987 * more sense data than driver
1988 * can provide, if so, reset this parameter
1989 * set the sense buffer pointer low address
1990 * update the control field to specify Q type
1991 */
1992 if (karg.maxSenseBytes > MPT_SENSE_BUFFER_SIZE)
1993 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1994 else
1995 pScsiReq->SenseBufferLength = karg.maxSenseBytes;
1996
1997 pScsiReq->SenseBufferLowAddr =
1998 cpu_to_le32(ioc->sense_buf_low_dma
1999 + (req_idx * MPT_SENSE_BUFFER_ALLOC));
2000
2001 /* All commands to physical devices are tagged
2002 */
2003
2004 /* Have the IOCTL driver set the direction based
2005 * on the dataOutSize (ordering issue with Sparc).
2006 */
2007 if (karg.dataOutSize > 0) {
2008 scsidir = MPI_SCSIIO_CONTROL_WRITE;
2009 dataSize = karg.dataOutSize;
2010 } else {
2011 scsidir = MPI_SCSIIO_CONTROL_READ;
2012 dataSize = karg.dataInSize;
2013 }
2014
2015 pScsiReq->Control = cpu_to_le32(scsidir | qtag);
2016 pScsiReq->DataLength = cpu_to_le32(dataSize);
2017
2018 ioc->ioctl->reset = MPTCTL_RESET_OK;
793955f5 2019 ioc->ioctl->id = pScsiReq->TargetID;
1da177e4 2020 } else {
29dd3609 2021 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
1da177e4 2022 "SCSI driver is not loaded. \n",
29dd3609 2023 ioc->name, __FILE__, __LINE__);
1da177e4
LT		 2024 rc = -EFAULT;
2025 goto done_free_mem;
2026 }
2027 break;
2028
2029 case MPI_FUNCTION_SCSI_TASK_MGMT:
2030 {
2031 MPT_SCSI_HOST *hd = NULL;
e7eae9f6 2032 if ((ioc->sh == NULL) || ((hd = shost_priv(ioc->sh)) == NULL)) {
29dd3609 2033 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
1da177e4 2034 "SCSI driver not loaded or SCSI host not found. \n",
29dd3609 2035 ioc->name, __FILE__, __LINE__);
1da177e4
LT		 2036 rc = -EFAULT;
2037 goto done_free_mem;
2038 } else if (mptctl_set_tm_flags(hd) != 0) {
2039 rc = -EPERM;
2040 goto done_free_mem;
2041 }
2042 }
2043 break;
2044
2045 case MPI_FUNCTION_IOC_INIT:
2046 {
2047 IOCInit_t *pInit = (IOCInit_t *) mf;
2048 u32 high_addr, sense_high;
2049
2050 /* Verify that all entries in the IOC INIT match
2051 * existing setup (and in LE format).
2052 */
2053 if (sizeof(dma_addr_t) == sizeof(u64)) {
2054 high_addr = cpu_to_le32((u32)((u64)ioc->req_frames_dma >> 32));
2055 sense_high= cpu_to_le32((u32)((u64)ioc->sense_buf_pool_dma >> 32));
2056 } else {
2057 high_addr = 0;
2058 sense_high= 0;
2059 }
2060
2061 if ((pInit->Flags != 0) || (pInit->MaxDevices != ioc->facts.MaxDevices) ||
2062 (pInit->MaxBuses != ioc->facts.MaxBuses) ||
2063 (pInit->ReplyFrameSize != cpu_to_le16(ioc->reply_sz)) ||
2064 (pInit->HostMfaHighAddr != high_addr) ||
2065 (pInit->SenseBufferHighAddr != sense_high)) {
29dd3609 2066 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
1da177e4 2067 "IOC_INIT issued with 1 or more incorrect parameters. Rejected.\n",
29dd3609 2068 ioc->name, __FILE__, __LINE__);
1da177e4
LT		 2069 rc = -EFAULT;
2070 goto done_free_mem;
2071 }
2072 }
2073 break;
2074 default:
2075 /*
2076 * MPI_FUNCTION_PORT_ENABLE
2077 * MPI_FUNCTION_TARGET_CMD_BUFFER_POST
2078 * MPI_FUNCTION_TARGET_ASSIST
2079 * MPI_FUNCTION_TARGET_STATUS_SEND
2080 * MPI_FUNCTION_TARGET_MODE_ABORT
2081 * MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET
2082 * MPI_FUNCTION_IO_UNIT_RESET
2083 * MPI_FUNCTION_HANDSHAKE
2084 * MPI_FUNCTION_REPLY_FRAME_REMOVAL
2085 * MPI_FUNCTION_EVENT_NOTIFICATION
2086 * (driver handles event notification)
2087 * MPI_FUNCTION_EVENT_ACK
2088 */
2089
2090 /* What to do with these??? CHECK ME!!!
2091 MPI_FUNCTION_FC_LINK_SRVC_BUF_POST
2092 MPI_FUNCTION_FC_LINK_SRVC_RSP
2093 MPI_FUNCTION_FC_ABORT
2094 MPI_FUNCTION_LAN_SEND
2095 MPI_FUNCTION_LAN_RECEIVE
2096 MPI_FUNCTION_LAN_RESET
2097 */
2098
29dd3609 2099 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
1da177e4 2100 "Illegal request (function 0x%x) \n",
29dd3609 2101 ioc->name, __FILE__, __LINE__, hdr->Function);
1da177e4
LT		 2102 rc = -EFAULT;
2103 goto done_free_mem;
2104 }
2105
2106 /* Add the SGL ( at most one data in SGE and one data out SGE )
2107 * In the case of two SGE's - the data out (write) will always
2108 * preceede the data in (read) SGE. psgList is used to free the
2109 * allocated memory.
2110 */
2111 psge = (char *) (((int *) mf) + karg.dataSgeOffset);
2112 flagsLength = 0;
2113
1da177e4
LT		 2114 if (karg.dataOutSize > 0)
2115 sgSize ++;
2116
2117 if (karg.dataInSize > 0)
2118 sgSize ++;
2119
2120 if (sgSize > 0) {
2121
2122 /* Set up the dataOut memory allocation */
2123 if (karg.dataOutSize > 0) {
2124 if (karg.dataInSize > 0) {
2125 flagsLength = ( MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2126 MPI_SGE_FLAGS_END_OF_BUFFER |
2127 MPI_SGE_FLAGS_DIRECTION |
2128 mpt_addr_size() )
2129 << MPI_SGE_FLAGS_SHIFT;
2130 } else {
2131 flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE;
2132 }
2133 flagsLength |= karg.dataOutSize;
2134 bufOut.len = karg.dataOutSize;
2135 bufOut.kptr = pci_alloc_consistent(
2136 ioc->pcidev, bufOut.len, &dma_addr_out);
2137
2138 if (bufOut.kptr == NULL) {
2139 rc = -ENOMEM;
2140 goto done_free_mem;
2141 } else {
2142 /* Set up this SGE.
2143 * Copy to MF and to sglbuf
2144 */
2145 mpt_add_sge(psge, flagsLength, dma_addr_out);
2146 psge += (sizeof(u32) + sizeof(dma_addr_t));
2147
2148 /* Copy user data to kernel space.
2149 */
2150 if (copy_from_user(bufOut.kptr,
2151 karg.dataOutBufPtr,
2152 bufOut.len)) {
29dd3609 2153 printk(MYIOC_s_ERR_FMT
1da177e4
LT		 2154 "%s@%d::mptctl_do_mpt_command - Unable "
2155 "to read user data "
2156 "struct @ %p\n",
29dd3609 2157 ioc->name, __FILE__, __LINE__,karg.dataOutBufPtr);
1da177e4
LT		 2158 rc = -EFAULT;
2159 goto done_free_mem;
2160 }
2161 }
2162 }
2163
2164 if (karg.dataInSize > 0) {
2165 flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ;
2166 flagsLength |= karg.dataInSize;
2167
2168 bufIn.len = karg.dataInSize;
2169 bufIn.kptr = pci_alloc_consistent(ioc->pcidev,
2170 bufIn.len, &dma_addr_in);
2171
2172 if (bufIn.kptr == NULL) {
2173 rc = -ENOMEM;
2174 goto done_free_mem;
2175 } else {
2176 /* Set up this SGE
2177 * Copy to MF and to sglbuf
2178 */
2179 mpt_add_sge(psge, flagsLength, dma_addr_in);
2180 }
2181 }
2182 } else {
2183 /* Add a NULL SGE
2184 */
2185 mpt_add_sge(psge, flagsLength, (dma_addr_t) -1);
2186 }
2187
2188 ioc->ioctl->wait_done = 0;
2189 if (hdr->Function == MPI_FUNCTION_SCSI_TASK_MGMT) {
2190
09120a8c 2191 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)mf);
1da177e4 2192
7a195f46
PS		 2193 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
2194 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
2195 mpt_put_msg_frame_hi_pri(mptctl_id, ioc, mf);
2196 else {
2197 rc =mpt_send_handshake_request(mptctl_id, ioc,
2198 sizeof(SCSITaskMgmt_t), (u32*)mf, CAN_SLEEP);
2199 if (rc != 0) {
2200 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
2201 "_send_handshake FAILED! (ioc %p, mf %p)\n",
2202 ioc->name, ioc, mf));
2203 mptctl_free_tm_flags(ioc);
2204 rc = -ENODATA;
2205 goto done_free_mem;
2206 }
1da177e4
LT		 2207 }
2208
2209 } else
2210 mpt_put_msg_frame(mptctl_id, ioc, mf);
2211
2212 /* Now wait for the command to complete */
2213 timeout = (karg.timeout > 0) ? karg.timeout : MPT_IOCTL_DEFAULT_TIMEOUT;
86a7dcaa 2214 timeout = wait_event_timeout(mptctl_wait,
1da177e4
LT		 2215 ioc->ioctl->wait_done == 1,
2216 HZ*timeout);
2217
2218 if(timeout <=0 && (ioc->ioctl->wait_done != 1 )) {
2219 /* Now we need to reset the board */
2220
2221 if (hdr->Function == MPI_FUNCTION_SCSI_TASK_MGMT)
2222 mptctl_free_tm_flags(ioc);
2223
2224 mptctl_timeout_expired(ioc->ioctl);
2225 rc = -ENODATA;
2226 goto done_free_mem;
2227 }
2228
2229 mf = NULL;
2230
2231 /* If a valid reply frame, copy to the user.
2232 * Offset 2: reply length in U32's
2233 */
2234 if (ioc->ioctl->status & MPT_IOCTL_STATUS_RF_VALID) {
2235 if (karg.maxReplyBytes < ioc->reply_sz) {
2236 sz = min(karg.maxReplyBytes, 4*ioc->ioctl->ReplyFrame[2]);
2237 } else {
2238 sz = min(ioc->reply_sz, 4*ioc->ioctl->ReplyFrame[2]);
2239 }
2240
2241 if (sz > 0) {
2242 if (copy_to_user(karg.replyFrameBufPtr,
2243 &ioc->ioctl->ReplyFrame, sz)){
29dd3609 2244 printk(MYIOC_s_ERR_FMT
1da177e4
LT		 2245 "%s@%d::mptctl_do_mpt_command - "
2246 "Unable to write out reply frame %p\n",
29dd3609 2247 ioc->name, __FILE__, __LINE__, karg.replyFrameBufPtr);
1da177e4
LT		 2248 rc = -ENODATA;
2249 goto done_free_mem;
2250 }
2251 }
2252 }
2253
2254 /* If valid sense data, copy to user.
2255 */
2256 if (ioc->ioctl->status & MPT_IOCTL_STATUS_SENSE_VALID) {
2257 sz = min(karg.maxSenseBytes, MPT_SENSE_BUFFER_SIZE);
2258 if (sz > 0) {
2259 if (copy_to_user(karg.senseDataPtr, ioc->ioctl->sense, sz)) {
29dd3609 2260 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
1da177e4 2261 "Unable to write sense data to user %p\n",
29dd3609 2262 ioc->name, __FILE__, __LINE__,
1da177e4
LT		 2263 karg.senseDataPtr);
2264 rc = -ENODATA;
2265 goto done_free_mem;
2266 }
2267 }
2268 }
2269
2270 /* If the overall status is _GOOD and data in, copy data
2271 * to user.
2272 */
2273 if ((ioc->ioctl->status & MPT_IOCTL_STATUS_COMMAND_GOOD) &&
2274 (karg.dataInSize > 0) && (bufIn.kptr)) {
2275
2276 if (copy_to_user(karg.dataInBufPtr,
2277 bufIn.kptr, karg.dataInSize)) {
29dd3609 2278 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
1da177e4 2279 "Unable to write data to user %p\n",
29dd3609 2280 ioc->name, __FILE__, __LINE__,
1da177e4
LT		 2281 karg.dataInBufPtr);
2282 rc = -ENODATA;
2283 }
2284 }
2285
2286done_free_mem:
2287
2288 ioc->ioctl->status &= ~(MPT_IOCTL_STATUS_COMMAND_GOOD |
2289 MPT_IOCTL_STATUS_SENSE_VALID |
2290 MPT_IOCTL_STATUS_RF_VALID );
2291
2292 /* Free the allocated memory.
2293 */
2294 if (bufOut.kptr != NULL) {
2295 pci_free_consistent(ioc->pcidev,
2296 bufOut.len, (void *) bufOut.kptr, dma_addr_out);
2297 }
2298
2299 if (bufIn.kptr != NULL) {
2300 pci_free_consistent(ioc->pcidev,
2301 bufIn.len, (void *) bufIn.kptr, dma_addr_in);
2302 }
2303
2304 /* mf is null if command issued successfully
2305 * otherwise, failure occured after mf acquired.
2306 */
2307 if (mf)
2308 mpt_free_msg_frame(ioc, mf);
2309
2310 return rc;
2311}
2312
2313/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
ba856d32 2314/* Prototype Routine for the HOST INFO command.
1da177e4
LT		 2315 *
2316 * Outputs: None.
2317 * Return: 0 if successful
2318 * -EFAULT if data unavailable
2319 * -EBUSY if previous command timout and IOC reset is not complete.
2320 * -ENODEV if no such device/adapter
2321 * -ETIME if timer expires
2322 * -ENOMEM if memory allocation error
2323 */
2324static int
2325mptctl_hp_hostinfo(unsigned long arg, unsigned int data_size)
2326{
2327 hp_host_info_t __user *uarg = (void __user *) arg;
2328 MPT_ADAPTER *ioc;
2329 struct pci_dev *pdev;
592f9c2f 2330 char *pbuf=NULL;
1da177e4
LT		 2331 dma_addr_t buf_dma;
2332 hp_host_info_t karg;
2333 CONFIGPARMS cfg;
2334 ConfigPageHeader_t hdr;
2335 int iocnum;
2336 int rc, cim_rev;
592f9c2f
ME		 2337 ToolboxIstwiReadWriteRequest_t *IstwiRWRequest;
2338 MPT_FRAME_HDR *mf = NULL;
2339 MPIHeader_t *mpi_hdr;
1da177e4 2340
1da177e4
LT		 2341 /* Reset long to int. Should affect IA64 and SPARC only
2342 */
2343 if (data_size == sizeof(hp_host_info_t))
2344 cim_rev = 1;
2345 else if (data_size == sizeof(hp_host_info_rev0_t))
2346 cim_rev = 0; /* obsolete */
2347 else
2348 return -EFAULT;
2349
2350 if (copy_from_user(&karg, uarg, sizeof(hp_host_info_t))) {
29dd3609 2351 printk(KERN_ERR MYNAM "%s@%d::mptctl_hp_host_info - "
1da177e4
LT		 2352 "Unable to read in hp_host_info struct @ %p\n",
2353 __FILE__, __LINE__, uarg);
2354 return -EFAULT;
2355 }
2356
2357 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
2358 (ioc == NULL)) {
29dd3609 2359 printk(KERN_DEBUG MYNAM "%s::mptctl_hp_hostinfo() @%d - ioc%d not found!\n",
09120a8c 2360 __FILE__, __LINE__, iocnum);
1da177e4
LT		 2361 return -ENODEV;
2362 }
09120a8c
PS		 2363 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": mptctl_hp_hostinfo called.\n",
2364 ioc->name));
1da177e4
LT		 2365
2366 /* Fill in the data and return the structure to the calling
2367 * program
2368 */
2369 pdev = (struct pci_dev *) ioc->pcidev;
2370
2371 karg.vendor = pdev->vendor;
2372 karg.device = pdev->device;
2373 karg.subsystem_id = pdev->subsystem_device;
2374 karg.subsystem_vendor = pdev->subsystem_vendor;
2375 karg.devfn = pdev->devfn;
2376 karg.bus = pdev->bus->number;
2377
2378 /* Save the SCSI host no. if
2379 * SCSI driver loaded
2380 */
2381 if (ioc->sh != NULL)
2382 karg.host_no = ioc->sh->host_no;
2383 else
2384 karg.host_no = -1;
2385
2386 /* Reformat the fw_version into a string
2387 */
2388 karg.fw_version[0] = ioc->facts.FWVersion.Struct.Major >= 10 ?
2389 ((ioc->facts.FWVersion.Struct.Major / 10) + '0') : '0';
2390 karg.fw_version[1] = (ioc->facts.FWVersion.Struct.Major % 10 ) + '0';
2391 karg.fw_version[2] = '.';
2392 karg.fw_version[3] = ioc->facts.FWVersion.Struct.Minor >= 10 ?
2393 ((ioc->facts.FWVersion.Struct.Minor / 10) + '0') : '0';
2394 karg.fw_version[4] = (ioc->facts.FWVersion.Struct.Minor % 10 ) + '0';
2395 karg.fw_version[5] = '.';
2396 karg.fw_version[6] = ioc->facts.FWVersion.Struct.Unit >= 10 ?
2397 ((ioc->facts.FWVersion.Struct.Unit / 10) + '0') : '0';
2398 karg.fw_version[7] = (ioc->facts.FWVersion.Struct.Unit % 10 ) + '0';
2399 karg.fw_version[8] = '.';
2400 karg.fw_version[9] = ioc->facts.FWVersion.Struct.Dev >= 10 ?
2401 ((ioc->facts.FWVersion.Struct.Dev / 10) + '0') : '0';
2402 karg.fw_version[10] = (ioc->facts.FWVersion.Struct.Dev % 10 ) + '0';
2403 karg.fw_version[11] = '\0';
2404
2405 /* Issue a config request to get the device serial number
2406 */
2407 hdr.PageVersion = 0;
2408 hdr.PageLength = 0;
2409 hdr.PageNumber = 0;
2410 hdr.PageType = MPI_CONFIG_PAGETYPE_MANUFACTURING;
69218ee5 2411 cfg.cfghdr.hdr = &hdr;
1da177e4
LT		 2412 cfg.physAddr = -1;
2413 cfg.pageAddr = 0;
2414 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2415 cfg.dir = 0; /* read */
2416 cfg.timeout = 10;
2417
2418 strncpy(karg.serial_number, " ", 24);
2419 if (mpt_config(ioc, &cfg) == 0) {
69218ee5 2420 if (cfg.cfghdr.hdr->PageLength > 0) {
1da177e4
LT		 2421 /* Issue the second config page request */
2422 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2423
2424 pbuf = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, &buf_dma);
2425 if (pbuf) {
2426 cfg.physAddr = buf_dma;
2427 if (mpt_config(ioc, &cfg) == 0) {
2428 ManufacturingPage0_t *pdata = (ManufacturingPage0_t *) pbuf;
2429 if (strlen(pdata->BoardTracerNumber) > 1) {
2430 strncpy(karg.serial_number, pdata->BoardTracerNumber, 24);
2431 karg.serial_number[24-1]='\0';
2432 }
2433 }
2434 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, pbuf, buf_dma);
2435 pbuf = NULL;
2436 }
2437 }
2438 }
2439 rc = mpt_GetIocState(ioc, 1);
2440 switch (rc) {
2441 case MPI_IOC_STATE_OPERATIONAL:
2442 karg.ioc_status = HP_STATUS_OK;
2443 break;
2444
2445 case MPI_IOC_STATE_FAULT:
2446 karg.ioc_status = HP_STATUS_FAILED;
2447 break;
2448
2449 case MPI_IOC_STATE_RESET:
2450 case MPI_IOC_STATE_READY:
2451 default:
2452 karg.ioc_status = HP_STATUS_OTHER;
2453 break;
2454 }
2455
2456 karg.base_io_addr = pci_resource_start(pdev, 0);
2457
9cc1cfbc 2458 if ((ioc->bus_type == SAS) || (ioc->bus_type == FC))
1da177e4
LT		 2459 karg.bus_phys_width = HP_BUS_WIDTH_UNK;
2460 else
2461 karg.bus_phys_width = HP_BUS_WIDTH_16;
2462
2463 karg.hard_resets = 0;
2464 karg.soft_resets = 0;
2465 karg.timeouts = 0;
2466 if (ioc->sh != NULL) {
e7eae9f6 2467 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
1da177e4
LT		 2468
2469 if (hd && (cim_rev == 1)) {
2470 karg.hard_resets = hd->hard_resets;
2471 karg.soft_resets = hd->soft_resets;
2472 karg.timeouts = hd->timeouts;
2473 }
2474 }
2475
592f9c2f
ME		 2476 /*
2477 * Gather ISTWI(Industry Standard Two Wire Interface) Data
2478 */
2479 if ((mf = mpt_get_msg_frame(mptctl_id, ioc)) == NULL) {
09120a8c 2480 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s, no msg frames!!\n",
592f9c2f
ME		 2481 ioc->name,__FUNCTION__));
2482 goto out;
2483 }
2484
2485 IstwiRWRequest = (ToolboxIstwiReadWriteRequest_t *)mf;
2486 mpi_hdr = (MPIHeader_t *) mf;
2487 memset(IstwiRWRequest,0,sizeof(ToolboxIstwiReadWriteRequest_t));
2488 IstwiRWRequest->Function = MPI_FUNCTION_TOOLBOX;
2489 IstwiRWRequest->Tool = MPI_TOOLBOX_ISTWI_READ_WRITE_TOOL;
2490 IstwiRWRequest->MsgContext = mpi_hdr->MsgContext;
2491 IstwiRWRequest->Flags = MPI_TB_ISTWI_FLAGS_READ;
2492 IstwiRWRequest->NumAddressBytes = 0x01;
2493 IstwiRWRequest->DataLength = cpu_to_le16(0x04);
2494 if (pdev->devfn & 1)
2495 IstwiRWRequest->DeviceAddr = 0xB2;
2496 else
2497 IstwiRWRequest->DeviceAddr = 0xB0;
2498
1da177e4 2499 pbuf = pci_alloc_consistent(ioc->pcidev, 4, &buf_dma);
592f9c2f
ME		 2500 if (!pbuf)
2501 goto out;
2502 mpt_add_sge((char *)&IstwiRWRequest->SGL,
2503 (MPT_SGE_FLAGS_SSIMPLE_READ|4), buf_dma);
2504
2505 ioc->ioctl->wait_done = 0;
2506 mpt_put_msg_frame(mptctl_id, ioc, mf);
2507
2508 rc = wait_event_timeout(mptctl_wait,
2509 ioc->ioctl->wait_done == 1,
2510 HZ*MPT_IOCTL_DEFAULT_TIMEOUT /* 10 sec */);
2511
2512 if(rc <=0 && (ioc->ioctl->wait_done != 1 )) {
09120a8c 2513 /*
592f9c2f
ME		 2514 * Now we need to reset the board
2515 */
2516 mpt_free_msg_frame(ioc, mf);
2517 mptctl_timeout_expired(ioc->ioctl);
2518 goto out;
1da177e4
LT		 2519 }
2520
09120a8c 2521 /*
592f9c2f
ME		 2522 *ISTWI Data Definition
2523 * pbuf[0] = FW_VERSION = 0x4
2524 * pbuf[1] = Bay Count = 6 or 4 or 2, depending on
2525 * the config, you should be seeing one out of these three values
2526 * pbuf[2] = Drive Installed Map = bit pattern depend on which
2527 * bays have drives in them
2528 * pbuf[3] = Checksum (0x100 = (byte0 + byte2 + byte3)
2529 */
2530 if (ioc->ioctl->status & MPT_IOCTL_STATUS_RF_VALID)
2531 karg.rsvd = *(u32 *)pbuf;
2532
2533 out:
2534 if (pbuf)
2535 pci_free_consistent(ioc->pcidev, 4, pbuf, buf_dma);
2536
1da177e4
LT		 2537 /* Copy the data from kernel memory to user memory
2538 */
2539 if (copy_to_user((char __user *)arg, &karg, sizeof(hp_host_info_t))) {
29dd3609 2540 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_hpgethostinfo - "
1da177e4 2541 "Unable to write out hp_host_info @ %p\n",
29dd3609 2542 ioc->name, __FILE__, __LINE__, uarg);
1da177e4
LT		 2543 return -EFAULT;
2544 }
2545
2546 return 0;
2547
2548}
2549
2550/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
ba856d32 2551/* Prototype Routine for the TARGET INFO command.
1da177e4
LT		 2552 *
2553 * Outputs: None.
2554 * Return: 0 if successful
2555 * -EFAULT if data unavailable
2556 * -EBUSY if previous command timout and IOC reset is not complete.
2557 * -ENODEV if no such device/adapter
2558 * -ETIME if timer expires
2559 * -ENOMEM if memory allocation error
2560 */
2561static int
2562mptctl_hp_targetinfo(unsigned long arg)
2563{
2564 hp_target_info_t __user *uarg = (void __user *) arg;
2565 SCSIDevicePage0_t *pg0_alloc;
2566 SCSIDevicePage3_t *pg3_alloc;
2567 MPT_ADAPTER *ioc;
2568 MPT_SCSI_HOST *hd = NULL;
2569 hp_target_info_t karg;
2570 int iocnum;
2571 int data_sz;
2572 dma_addr_t page_dma;
2573 CONFIGPARMS cfg;
2574 ConfigPageHeader_t hdr;
2575 int tmp, np, rc = 0;
2576
1da177e4 2577 if (copy_from_user(&karg, uarg, sizeof(hp_target_info_t))) {
29dd3609 2578 printk(KERN_ERR MYNAM "%s@%d::mptctl_hp_targetinfo - "
1da177e4
LT		 2579 "Unable to read in hp_host_targetinfo struct @ %p\n",
2580 __FILE__, __LINE__, uarg);
2581 return -EFAULT;
2582 }
2583
2584 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) ||
2585 (ioc == NULL)) {
29dd3609 2586 printk(KERN_DEBUG MYNAM "%s::mptctl_hp_targetinfo() @%d - ioc%d not found!\n",
09120a8c 2587 __FILE__, __LINE__, iocnum);
1da177e4
LT		 2588 return -ENODEV;
2589 }
29dd3609 2590 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_hp_targetinfo called.\n",
09120a8c 2591 ioc->name));
1da177e4
LT		 2592
2593 /* There is nothing to do for FCP parts.
2594 */
9cc1cfbc 2595 if ((ioc->bus_type == SAS) || (ioc->bus_type == FC))
1da177e4
LT		 2596 return 0;
2597
2598 if ((ioc->spi_data.sdp0length == 0) || (ioc->sh == NULL))
2599 return 0;
2600
2601 if (ioc->sh->host_no != karg.hdr.host)
2602 return -ENODEV;
2603
2604 /* Get the data transfer speeds
2605 */
2606 data_sz = ioc->spi_data.sdp0length * 4;
2607 pg0_alloc = (SCSIDevicePage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page_dma);
2608 if (pg0_alloc) {
2609 hdr.PageVersion = ioc->spi_data.sdp0version;
2610 hdr.PageLength = data_sz;
2611 hdr.PageNumber = 0;
2612 hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
2613
69218ee5 2614 cfg.cfghdr.hdr = &hdr;
1da177e4
LT		 2615 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2616 cfg.dir = 0;
2617 cfg.timeout = 0;
2618 cfg.physAddr = page_dma;
2619
2620 cfg.pageAddr = (karg.hdr.channel << 8) | karg.hdr.id;
2621
2622 if ((rc = mpt_config(ioc, &cfg)) == 0) {
2623 np = le32_to_cpu(pg0_alloc->NegotiatedParameters);
2624 karg.negotiated_width = np & MPI_SCSIDEVPAGE0_NP_WIDE ?
2625 HP_BUS_WIDTH_16 : HP_BUS_WIDTH_8;
2626
2627 if (np & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK) {
2628 tmp = (np & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK) >> 8;
2629 if (tmp < 0x09)
2630 karg.negotiated_speed = HP_DEV_SPEED_ULTRA320;
2631 else if (tmp <= 0x09)
2632 karg.negotiated_speed = HP_DEV_SPEED_ULTRA160;
2633 else if (tmp <= 0x0A)
2634 karg.negotiated_speed = HP_DEV_SPEED_ULTRA2;
2635 else if (tmp <= 0x0C)
2636 karg.negotiated_speed = HP_DEV_SPEED_ULTRA;
2637 else if (tmp <= 0x25)
2638 karg.negotiated_speed = HP_DEV_SPEED_FAST;
2639 else
2640 karg.negotiated_speed = HP_DEV_SPEED_ASYNC;
2641 } else
2642 karg.negotiated_speed = HP_DEV_SPEED_ASYNC;
2643 }
2644
2645 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) pg0_alloc, page_dma);
2646 }
2647
2648 /* Set defaults
2649 */
2650 karg.message_rejects = -1;
2651 karg.phase_errors = -1;
2652 karg.parity_errors = -1;
2653 karg.select_timeouts = -1;
2654
2655 /* Get the target error parameters
2656 */
2657 hdr.PageVersion = 0;
2658 hdr.PageLength = 0;
2659 hdr.PageNumber = 3;
2660 hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
2661
69218ee5 2662 cfg.cfghdr.hdr = &hdr;
1da177e4
LT		 2663 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2664 cfg.dir = 0;
2665 cfg.timeout = 0;
2666 cfg.physAddr = -1;
69218ee5 2667 if ((mpt_config(ioc, &cfg) == 0) && (cfg.cfghdr.hdr->PageLength > 0)) {
1da177e4
LT		 2668 /* Issue the second config page request */
2669 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
69218ee5 2670 data_sz = (int) cfg.cfghdr.hdr->PageLength * 4;
1da177e4
LT		 2671 pg3_alloc = (SCSIDevicePage3_t *) pci_alloc_consistent(
2672 ioc->pcidev, data_sz, &page_dma);
2673 if (pg3_alloc) {
2674 cfg.physAddr = page_dma;
2675 cfg.pageAddr = (karg.hdr.channel << 8) | karg.hdr.id;
2676 if ((rc = mpt_config(ioc, &cfg)) == 0) {
2677 karg.message_rejects = (u32) le16_to_cpu(pg3_alloc->MsgRejectCount);
2678 karg.phase_errors = (u32) le16_to_cpu(pg3_alloc->PhaseErrorCount);
2679 karg.parity_errors = (u32) le16_to_cpu(pg3_alloc->ParityErrorCount);
2680 }
2681 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) pg3_alloc, page_dma);
2682 }
2683 }
e7eae9f6 2684 hd = shost_priv(ioc->sh);
1da177e4
LT		 2685 if (hd != NULL)
2686 karg.select_timeouts = hd->sel_timeout[karg.hdr.id];
2687
2688 /* Copy the data from kernel memory to user memory
2689 */
2690 if (copy_to_user((char __user *)arg, &karg, sizeof(hp_target_info_t))) {
29dd3609 2691 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_hp_target_info - "
1da177e4 2692 "Unable to write out mpt_ioctl_targetinfo struct @ %p\n",
29dd3609 2693 ioc->name, __FILE__, __LINE__, uarg);
1da177e4
LT		 2694 return -EFAULT;
2695 }
2696
2697 return 0;
2698}
2699
2700/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2701
fa027c2a 2702static const struct file_operations mptctl_fops = {
1da177e4
LT		 2703 .owner = THIS_MODULE,
2704 .llseek = no_llseek,
ea5a7a82
ME		 2705 .release = mptctl_release,
2706 .fasync = mptctl_fasync,
1da177e4
LT		 2707 .unlocked_ioctl = mptctl_ioctl,
2708#ifdef CONFIG_COMPAT
2709 .compat_ioctl = compat_mpctl_ioctl,
2710#endif
2711};
2712
2713static struct miscdevice mptctl_miscdev = {
2714 MPT_MINOR,
2715 MYNAM,
2716 &mptctl_fops
2717};
2718
2719/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2720
2721#ifdef CONFIG_COMPAT
2722
1da177e4
LT		 2723static int
2724compat_mptfwxfer_ioctl(struct file *filp, unsigned int cmd,
2725 unsigned long arg)
2726{
2727 struct mpt_fw_xfer32 kfw32;
2728 struct mpt_fw_xfer kfw;
2729 MPT_ADAPTER *iocp = NULL;
2730 int iocnum, iocnumX;
2731 int nonblock = (filp->f_flags & O_NONBLOCK);
2732 int ret;
2733
1da177e4
LT		 2734
2735 if (copy_from_user(&kfw32, (char __user *)arg, sizeof(kfw32)))
2736 return -EFAULT;
2737
2738 /* Verify intended MPT adapter */
2739 iocnumX = kfw32.iocnum & 0xFF;
2740 if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) ||
2741 (iocp == NULL)) {
09120a8c 2742 printk(KERN_DEBUG MYNAM "::compat_mptfwxfer_ioctl @%d - ioc%d not found!\n",
29dd3609 2743 __LINE__, iocnumX);
1da177e4
LT		 2744 return -ENODEV;
2745 }
2746
2747 if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0)
2748 return ret;
2749
09120a8c
PS		 2750 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "compat_mptfwxfer_ioctl() called\n",
2751 iocp->name));
1da177e4
LT		 2752 kfw.iocnum = iocnum;
2753 kfw.fwlen = kfw32.fwlen;
2754 kfw.bufp = compat_ptr(kfw32.bufp);
2755
2756 ret = mptctl_do_fw_download(kfw.iocnum, kfw.bufp, kfw.fwlen);
2757
eeb846ce 2758 mutex_unlock(&iocp->ioctl->ioctl_mutex);
1da177e4
LT		 2759
2760 return ret;
2761}
2762
2763static int
2764compat_mpt_command(struct file *filp, unsigned int cmd,
2765 unsigned long arg)
2766{
2767 struct mpt_ioctl_command32 karg32;
2768 struct mpt_ioctl_command32 __user *uarg = (struct mpt_ioctl_command32 __user *) arg;
2769 struct mpt_ioctl_command karg;
2770 MPT_ADAPTER *iocp = NULL;
2771 int iocnum, iocnumX;
2772 int nonblock = (filp->f_flags & O_NONBLOCK);
2773 int ret;
2774
1da177e4
LT		 2775 if (copy_from_user(&karg32, (char __user *)arg, sizeof(karg32)))
2776 return -EFAULT;
2777
2778 /* Verify intended MPT adapter */
2779 iocnumX = karg32.hdr.iocnum & 0xFF;
2780 if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) ||
2781 (iocp == NULL)) {
09120a8c 2782 printk(KERN_DEBUG MYNAM "::compat_mpt_command @%d - ioc%d not found!\n",
29dd3609 2783 __LINE__, iocnumX);
1da177e4
LT		 2784 return -ENODEV;
2785 }
2786
2787 if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0)
2788 return ret;
2789
09120a8c
PS		 2790 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "compat_mpt_command() called\n",
2791 iocp->name));
1da177e4
LT		 2792 /* Copy data to karg */
2793 karg.hdr.iocnum = karg32.hdr.iocnum;
2794 karg.hdr.port = karg32.hdr.port;
2795 karg.timeout = karg32.timeout;
2796 karg.maxReplyBytes = karg32.maxReplyBytes;
2797
2798 karg.dataInSize = karg32.dataInSize;
2799 karg.dataOutSize = karg32.dataOutSize;
2800 karg.maxSenseBytes = karg32.maxSenseBytes;
2801 karg.dataSgeOffset = karg32.dataSgeOffset;
2802
2803 karg.replyFrameBufPtr = (char __user *)(unsigned long)karg32.replyFrameBufPtr;
2804 karg.dataInBufPtr = (char __user *)(unsigned long)karg32.dataInBufPtr;
2805 karg.dataOutBufPtr = (char __user *)(unsigned long)karg32.dataOutBufPtr;
2806 karg.senseDataPtr = (char __user *)(unsigned long)karg32.senseDataPtr;
2807
2808 /* Pass new structure to do_mpt_command
2809 */
2810 ret = mptctl_do_mpt_command (karg, &uarg->MF);
2811
eeb846ce 2812 mutex_unlock(&iocp->ioctl->ioctl_mutex);
1da177e4
LT		 2813
2814 return ret;
2815}
2816
2817static long compat_mpctl_ioctl(struct file *f, unsigned int cmd, unsigned long arg)
2818{
2819 long ret;
2820 lock_kernel();
2821 switch (cmd) {
2822 case MPTIOCINFO:
2823 case MPTIOCINFO1:
2824 case MPTIOCINFO2:
2825 case MPTTARGETINFO:
2826 case MPTEVENTQUERY:
2827 case MPTEVENTENABLE:
2828 case MPTEVENTREPORT:
2829 case MPTHARDRESET:
2830 case HP_GETHOSTINFO:
2831 case HP_GETTARGETINFO:
2832 case MPTTEST:
2833 ret = __mptctl_ioctl(f, cmd, arg);
2834 break;
2835 case MPTCOMMAND32:
2836 ret = compat_mpt_command(f, cmd, arg);
2837 break;
2838 case MPTFWDOWNLOAD32:
2839 ret = compat_mptfwxfer_ioctl(f, cmd, arg);
2840 break;
2841 default:
2842 ret = -ENOIOCTLCMD;
2843 break;
2844 }
2845 unlock_kernel();
2846 return ret;
2847}
2848
2849#endif
2850
2851
2852/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2853/*
2854 * mptctl_probe - Installs ioctl devices per bus.
2855 * @pdev: Pointer to pci_dev structure
2856 *
2857 * Returns 0 for success, non-zero for failure.
2858 *
2859 */
2860
2861static int
2862mptctl_probe(struct pci_dev *pdev, const struct pci_device_id *id)
2863{
d7383a23 2864 MPT_IOCTL *mem;
1da177e4
LT		 2865 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
2866
2867 /*
2868 * Allocate and inite a MPT_IOCTL structure
2869 */
d7383a23
MK		 2870 mem = kzalloc(sizeof(MPT_IOCTL), GFP_KERNEL);
2871 if (!mem) {
2872 mptctl_remove(pdev);
2873 return -ENOMEM;
1da177e4
LT		 2874 }
2875
d7383a23 2876 ioc->ioctl = mem;
1da177e4 2877 ioc->ioctl->ioc = ioc;
eeb846ce 2878 mutex_init(&ioc->ioctl->ioctl_mutex);
1da177e4 2879 return 0;
1da177e4
LT		 2880}
2881
2882/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2883/*
2884 * mptctl_remove - Removed ioctl devices
2885 * @pdev: Pointer to pci_dev structure
2886 *
2887 *
2888 */
2889static void
2890mptctl_remove(struct pci_dev *pdev)
2891{
2892 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
2893
2894 kfree ( ioc->ioctl );
2895}
2896
2897static struct mpt_pci_driver mptctl_driver = {
2898 .probe = mptctl_probe,
2899 .remove = mptctl_remove,
2900};
2901
2902/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2903static int __init mptctl_init(void)
2904{
2905 int err;
2906 int where = 1;
2907
2908 show_mptmod_ver(my_NAME, my_VERSION);
2909
09120a8c 2910 mpt_device_driver_register(&mptctl_driver, MPTCTL_DRIVER);
1da177e4
LT		 2911
2912 /* Register this device */
2913 err = misc_register(&mptctl_miscdev);
2914 if (err < 0) {
2915 printk(KERN_ERR MYNAM ": Can't register misc device [minor=%d].\n", MPT_MINOR);
2916 goto out_fail;
2917 }
2918 printk(KERN_INFO MYNAM ": Registered with Fusion MPT base driver\n");
2919 printk(KERN_INFO MYNAM ": /dev/%s @ (major,minor=%d,%d)\n",
2920 mptctl_miscdev.name, MISC_MAJOR, mptctl_miscdev.minor);
2921
2922 /*
2923 * Install our handler
2924 */
2925 ++where;
f606f571
PS		 2926 mptctl_id = mpt_register(mptctl_reply, MPTCTL_DRIVER);
2927 if (!mptctl_id || mptctl_id >= MPT_MAX_PROTOCOL_DRIVERS) {
1da177e4
LT		 2928 printk(KERN_ERR MYNAM ": ERROR: Failed to register with Fusion MPT base driver\n");
2929 misc_deregister(&mptctl_miscdev);
2930 err = -EBUSY;
2931 goto out_fail;
2932 }
2933
09120a8c
PS		 2934 mpt_reset_register(mptctl_id, mptctl_ioc_reset);
2935 mpt_event_register(mptctl_id, mptctl_event_process);
ea5a7a82 2936
1da177e4
LT		 2937 return 0;
2938
2939out_fail:
2940
2941 mpt_device_driver_deregister(MPTCTL_DRIVER);
2942
2943 return err;
2944}
2945
2946/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2947static void mptctl_exit(void)
2948{
2949 misc_deregister(&mptctl_miscdev);
2950 printk(KERN_INFO MYNAM ": Deregistered /dev/%s @ (major,minor=%d,%d)\n",
2951 mptctl_miscdev.name, MISC_MAJOR, mptctl_miscdev.minor);
2952
2953 /* De-register reset handler from base module */
2954 mpt_reset_deregister(mptctl_id);
1da177e4
LT		 2955
2956 /* De-register callback handler from base module */
2957 mpt_deregister(mptctl_id);
1da177e4
LT		 2958
2959 mpt_device_driver_deregister(MPTCTL_DRIVER);
2960
2961}
2962
2963/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2964
2965module_init(mptctl_init);
2966module_exit(mptctl_exit);
Linux kernel - Deliverables
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