2 * linux/drivers/message/fusion/mptctl.c
4 * For use with LSI Logic PCI chip/adapters
5 * running LSI Logic Fusion MPT (Message Passing Technology) firmware.
7 * Copyright (c) 1999-2005 LSI Logic Corporation
8 * (mailto:mpt_linux_developer@lsil.com)
11 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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.
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.
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.
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
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
46 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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>
61 #include <asm/uaccess.h>
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>
69 #define COPYRIGHT "Copyright (c) 1999-2005 LSI Logic Corporation"
70 #define MODULEAUTHOR "LSI Logic Corporation"
74 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
75 #define my_NAME "Fusion MPT misc device (ioctl) driver"
76 #define my_VERSION MPT_LINUX_VERSION_COMMON
77 #define MYNAM "mptctl"
79 MODULE_AUTHOR(MODULEAUTHOR
);
80 MODULE_DESCRIPTION(my_NAME
);
81 MODULE_LICENSE("GPL");
83 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
85 static int mptctl_id
= -1;
87 static DECLARE_WAIT_QUEUE_HEAD ( mptctl_wait
);
89 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
97 * Function prototypes. Called from OS entry point mptctl_ioctl.
98 * arg contents specific to function.
100 static int mptctl_fw_download(unsigned long arg
);
101 static int mptctl_getiocinfo(unsigned long arg
, unsigned int cmd
);
102 static int mptctl_gettargetinfo(unsigned long arg
);
103 static int mptctl_readtest(unsigned long arg
);
104 static int mptctl_mpt_command(unsigned long arg
);
105 static int mptctl_eventquery(unsigned long arg
);
106 static int mptctl_eventenable(unsigned long arg
);
107 static int mptctl_eventreport(unsigned long arg
);
108 static int mptctl_replace_fw(unsigned long arg
);
110 static int mptctl_do_reset(unsigned long arg
);
111 static int mptctl_hp_hostinfo(unsigned long arg
, unsigned int cmd
);
112 static int mptctl_hp_targetinfo(unsigned long arg
);
114 static int mptctl_probe(struct pci_dev
*, const struct pci_device_id
*);
115 static void mptctl_remove(struct pci_dev
*);
118 static long compat_mpctl_ioctl(struct file
*f
, unsigned cmd
, unsigned long arg
);
121 * Private function calls.
123 static int mptctl_do_mpt_command(struct mpt_ioctl_command karg
, void __user
*mfPtr
);
124 static int mptctl_do_fw_download(int ioc
, char __user
*ufwbuf
, size_t fwlen
);
125 static MptSge_t
*kbuf_alloc_2_sgl(int bytes
, u32 dir
, int sge_offset
, int *frags
,
126 struct buflist
**blp
, dma_addr_t
*sglbuf_dma
, MPT_ADAPTER
*ioc
);
127 static void kfree_sgl(MptSge_t
*sgl
, dma_addr_t sgl_dma
,
128 struct buflist
*buflist
, MPT_ADAPTER
*ioc
);
129 static void mptctl_timeout_expired (MPT_IOCTL
*ioctl
);
130 static int mptctl_bus_reset(MPT_IOCTL
*ioctl
);
131 static int mptctl_set_tm_flags(MPT_SCSI_HOST
*hd
);
132 static void mptctl_free_tm_flags(MPT_ADAPTER
*ioc
);
135 * Reset Handler cleanup function
137 static int mptctl_ioc_reset(MPT_ADAPTER
*ioc
, int reset_phase
);
139 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
141 * Scatter gather list (SGL) sizes and limits...
143 //#define MAX_SCSI_FRAGS 9
144 #define MAX_FRAGS_SPILL1 9
145 #define MAX_FRAGS_SPILL2 15
146 #define FRAGS_PER_BUCKET (MAX_FRAGS_SPILL2 + 1)
148 //#define MAX_CHAIN_FRAGS 64
149 //#define MAX_CHAIN_FRAGS (15+15+15+16)
150 #define MAX_CHAIN_FRAGS (4 * MAX_FRAGS_SPILL2 + 1)
152 // Define max sg LIST bytes ( == (#frags + #chains) * 8 bytes each)
153 // Works out to: 592d bytes! (9+1)*8 + 4*(15+1)*8
154 // ^----------------- 80 + 512
155 #define MAX_SGL_BYTES ((MAX_FRAGS_SPILL1 + 1 + (4 * FRAGS_PER_BUCKET)) * 8)
157 /* linux only seems to ever give 128kB MAX contiguous (GFP_USER) mem bytes */
158 #define MAX_KMALLOC_SZ (128*1024)
160 #define MPT_IOCTL_DEFAULT_TIMEOUT 10 /* Default timeout value (seconds) */
162 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
164 * mptctl_syscall_down - Down the MPT adapter syscall semaphore.
165 * @ioc: Pointer to MPT adapter
166 * @nonblock: boolean, non-zero if O_NONBLOCK is set
168 * All of the ioctl commands can potentially sleep, which is illegal
169 * with a spinlock held, thus we perform mutual exclusion here.
171 * Returns negative errno on error, or zero for success.
174 mptctl_syscall_down(MPT_ADAPTER
*ioc
, int nonblock
)
177 dctlprintk((KERN_INFO MYNAM
"::mptctl_syscall_down(%p,%d) called\n", ioc
, nonblock
));
180 if (down_trylock(&ioc
->ioctl
->sem_ioc
))
183 if (down_interruptible(&ioc
->ioctl
->sem_ioc
))
186 dctlprintk((KERN_INFO MYNAM
"::mptctl_syscall_down return %d\n", rc
));
190 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
192 * This is the callback for any message we have posted. The message itself
193 * will be returned to the message pool when we return from the IRQ
195 * This runs in irq context so be short and sweet.
198 mptctl_reply(MPT_ADAPTER
*ioc
, MPT_FRAME_HDR
*req
, MPT_FRAME_HDR
*reply
)
205 dctlprintk(("mptctl_reply()!\n"));
207 cmd
= req
->u
.hdr
.Function
;
215 dctlprintk(("mptctl_reply() NULL Reply "
216 "Function=%x!\n", cmd
));
218 ioc
->ioctl
->status
|= MPT_IOCTL_STATUS_COMMAND_GOOD
;
219 ioc
->ioctl
->reset
&= ~MPTCTL_RESET_OK
;
221 /* We are done, issue wake up
223 ioc
->ioctl
->wait_done
= 1;
224 wake_up (&mptctl_wait
);
229 dctlprintk(("mptctl_reply() with req=%p "
230 "reply=%p Function=%x!\n", req
, reply
, cmd
));
232 /* Copy the reply frame (which much exist
233 * for non-SCSI I/O) to the IOC structure.
235 dctlprintk(("Copying Reply Frame @%p to ioc%d!\n",
237 memcpy(ioc
->ioctl
->ReplyFrame
, reply
,
238 min(ioc
->reply_sz
, 4*reply
->u
.reply
.MsgLength
));
239 ioc
->ioctl
->status
|= MPT_IOCTL_STATUS_RF_VALID
;
241 /* Set the command status to GOOD if IOC Status is GOOD
242 * OR if SCSI I/O cmd and data underrun or recovered error.
244 iocStatus
= le16_to_cpu(reply
->u
.reply
.IOCStatus
) & MPI_IOCSTATUS_MASK
;
245 if (iocStatus
== MPI_IOCSTATUS_SUCCESS
)
246 ioc
->ioctl
->status
|= MPT_IOCTL_STATUS_COMMAND_GOOD
;
248 if ((cmd
== MPI_FUNCTION_SCSI_IO_REQUEST
) ||
249 (cmd
== MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH
)) {
250 ioc
->ioctl
->reset
&= ~MPTCTL_RESET_OK
;
252 if ((iocStatus
== MPI_IOCSTATUS_SCSI_DATA_UNDERRUN
) ||
253 (iocStatus
== MPI_IOCSTATUS_SCSI_RECOVERED_ERROR
)) {
254 ioc
->ioctl
->status
|= MPT_IOCTL_STATUS_COMMAND_GOOD
;
258 /* Copy the sense data - if present
260 if ((cmd
== MPI_FUNCTION_SCSI_IO_REQUEST
) &&
261 (reply
->u
.sreply
.SCSIState
&
262 MPI_SCSI_STATE_AUTOSENSE_VALID
)){
263 sz
= req
->u
.scsireq
.SenseBufferLength
;
265 le16_to_cpu(req
->u
.frame
.hwhdr
.msgctxu
.fld
.req_idx
);
267 ((u8
*)ioc
->sense_buf_pool
+
268 (req_index
* MPT_SENSE_BUFFER_ALLOC
));
269 memcpy(ioc
->ioctl
->sense
, sense_data
, sz
);
270 ioc
->ioctl
->status
|= MPT_IOCTL_STATUS_SENSE_VALID
;
273 if (cmd
== MPI_FUNCTION_SCSI_TASK_MGMT
)
274 mptctl_free_tm_flags(ioc
);
276 /* We are done, issue wake up
278 ioc
->ioctl
->wait_done
= 1;
279 wake_up (&mptctl_wait
);
284 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
285 /* mptctl_timeout_expired
287 * Expecting an interrupt, however timed out.
290 static void mptctl_timeout_expired (MPT_IOCTL
*ioctl
)
294 dctlprintk((KERN_NOTICE MYNAM
": Timeout Expired! Host %d\n",
299 ioctl
->wait_done
= 0;
300 if (ioctl
->reset
& MPTCTL_RESET_OK
)
301 rc
= mptctl_bus_reset(ioctl
);
304 /* Issue a reset for this device.
305 * The IOC is not responding.
307 dctlprintk((MYIOC_s_INFO_FMT
"Calling HardReset! \n",
309 mpt_HardResetHandler(ioctl
->ioc
, NO_SLEEP
);
320 static int mptctl_bus_reset(MPT_IOCTL
*ioctl
)
323 SCSITaskMgmt_t
*pScsiTm
;
329 ioctl
->reset
&= ~MPTCTL_RESET_OK
;
331 if (ioctl
->ioc
->sh
== NULL
)
334 hd
= (MPT_SCSI_HOST
*) ioctl
->ioc
->sh
->hostdata
;
338 /* Single threading ....
340 if (mptctl_set_tm_flags(hd
) != 0)
345 if ((mf
= mpt_get_msg_frame(mptctl_id
, ioctl
->ioc
)) == NULL
) {
346 dctlprintk((MYIOC_s_WARN_FMT
"IssueTaskMgmt, no msg frames!!\n",
349 mptctl_free_tm_flags(ioctl
->ioc
);
353 dtmprintk((MYIOC_s_INFO_FMT
"IssueTaskMgmt request @ %p\n",
354 ioctl
->ioc
->name
, mf
));
356 pScsiTm
= (SCSITaskMgmt_t
*) mf
;
357 pScsiTm
->TargetID
= ioctl
->target
;
358 pScsiTm
->Bus
= hd
->port
; /* 0 */
359 pScsiTm
->ChainOffset
= 0;
360 pScsiTm
->Function
= MPI_FUNCTION_SCSI_TASK_MGMT
;
361 pScsiTm
->Reserved
= 0;
362 pScsiTm
->TaskType
= MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS
;
363 pScsiTm
->Reserved1
= 0;
364 pScsiTm
->MsgFlags
= MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION
;
366 for (ii
= 0; ii
< 8; ii
++)
367 pScsiTm
->LUN
[ii
] = 0;
369 for (ii
=0; ii
< 7; ii
++)
370 pScsiTm
->Reserved2
[ii
] = 0;
372 pScsiTm
->TaskMsgContext
= 0;
373 dtmprintk((MYIOC_s_INFO_FMT
374 "mptctl_bus_reset: issued.\n", ioctl
->ioc
->name
));
376 DBG_DUMP_TM_REQUEST_FRAME((u32
*)mf
);
379 if ((retval
= mpt_send_handshake_request(mptctl_id
, ioctl
->ioc
,
380 sizeof(SCSITaskMgmt_t
), (u32
*)pScsiTm
, CAN_SLEEP
)) != 0) {
381 dfailprintk((MYIOC_s_ERR_FMT
"_send_handshake FAILED!"
382 " (hd %p, ioc %p, mf %p) \n", hd
->ioc
->name
, hd
,
384 goto mptctl_bus_reset_done
;
387 /* Now wait for the command to complete */
388 ii
= wait_event_interruptible_timeout(mptctl_wait
,
389 ioctl
->wait_done
== 1,
390 HZ
*5 /* 5 second timeout */);
392 if(ii
<=0 && (ioctl
->wait_done
!= 1 )) {
393 ioctl
->wait_done
= 0;
394 retval
= -1; /* return failure */
397 mptctl_bus_reset_done
:
399 mpt_free_msg_frame(hd
->ioc
, mf
);
400 mptctl_free_tm_flags(ioctl
->ioc
);
405 mptctl_set_tm_flags(MPT_SCSI_HOST
*hd
) {
408 spin_lock_irqsave(&hd
->ioc
->FreeQlock
, flags
);
410 if (hd
->tmState
== TM_STATE_NONE
) {
411 hd
->tmState
= TM_STATE_IN_PROGRESS
;
413 spin_unlock_irqrestore(&hd
->ioc
->FreeQlock
, flags
);
415 spin_unlock_irqrestore(&hd
->ioc
->FreeQlock
, flags
);
423 mptctl_free_tm_flags(MPT_ADAPTER
*ioc
)
428 hd
= (MPT_SCSI_HOST
*) ioc
->sh
->hostdata
;
432 spin_lock_irqsave(&ioc
->FreeQlock
, flags
);
434 hd
->tmState
= TM_STATE_NONE
;
436 spin_unlock_irqrestore(&ioc
->FreeQlock
, flags
);
441 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
444 * Clean-up functionality. Used only if there has been a
445 * reload of the FW due.
449 mptctl_ioc_reset(MPT_ADAPTER
*ioc
, int reset_phase
)
451 MPT_IOCTL
*ioctl
= ioc
->ioctl
;
452 dctlprintk((KERN_INFO MYNAM
": IOC %s_reset routed to IOCTL driver!\n",
453 reset_phase
==MPT_IOC_SETUP_RESET
? "setup" : (
454 reset_phase
==MPT_IOC_PRE_RESET
? "pre" : "post")));
459 switch(reset_phase
) {
460 case MPT_IOC_SETUP_RESET
:
461 ioctl
->status
|= MPT_IOCTL_STATUS_DID_IOCRESET
;
463 case MPT_IOC_POST_RESET
:
464 ioctl
->status
&= ~MPT_IOCTL_STATUS_DID_IOCRESET
;
466 case MPT_IOC_PRE_RESET
:
474 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
477 * cmd - specify the particular IOCTL command to be issued
478 * arg - data specific to the command. Must not be null.
481 __mptctl_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
483 mpt_ioctl_header __user
*uhdr
= (void __user
*) arg
;
484 mpt_ioctl_header khdr
;
487 int nonblock
= (file
->f_flags
& O_NONBLOCK
);
489 MPT_ADAPTER
*iocp
= NULL
;
491 dctlprintk(("mptctl_ioctl() called\n"));
493 if (copy_from_user(&khdr
, uhdr
, sizeof(khdr
))) {
494 printk(KERN_ERR
"%s::mptctl_ioctl() @%d - "
495 "Unable to copy mpt_ioctl_header data @ %p\n",
496 __FILE__
, __LINE__
, uhdr
);
499 ret
= -ENXIO
; /* (-6) No such device or address */
501 /* Verify intended MPT adapter - set iocnum and the adapter
504 iocnumX
= khdr
.iocnum
& 0xFF;
505 if (((iocnum
= mpt_verify_adapter(iocnumX
, &iocp
)) < 0) ||
507 dctlprintk((KERN_ERR
"%s::mptctl_ioctl() @%d - ioc%d not found!\n",
508 __FILE__
, __LINE__
, iocnumX
));
513 printk(KERN_ERR
"%s::mptctl_ioctl() @%d - Controller disabled.\n",
518 /* Handle those commands that are just returning
519 * information stored in the driver.
520 * These commands should never time out and are unaffected
521 * by TM and FW reloads.
523 if ((cmd
& ~IOCSIZE_MASK
) == (MPTIOCINFO
& ~IOCSIZE_MASK
)) {
524 return mptctl_getiocinfo(arg
, _IOC_SIZE(cmd
));
525 } else if (cmd
== MPTTARGETINFO
) {
526 return mptctl_gettargetinfo(arg
);
527 } else if (cmd
== MPTTEST
) {
528 return mptctl_readtest(arg
);
529 } else if (cmd
== MPTEVENTQUERY
) {
530 return mptctl_eventquery(arg
);
531 } else if (cmd
== MPTEVENTENABLE
) {
532 return mptctl_eventenable(arg
);
533 } else if (cmd
== MPTEVENTREPORT
) {
534 return mptctl_eventreport(arg
);
535 } else if (cmd
== MPTFWREPLACE
) {
536 return mptctl_replace_fw(arg
);
539 /* All of these commands require an interrupt or
540 * are unknown/illegal.
542 if ((ret
= mptctl_syscall_down(iocp
, nonblock
)) != 0)
545 dctlprintk((MYIOC_s_INFO_FMT
": mptctl_ioctl()\n", iocp
->name
));
547 if (cmd
== MPTFWDOWNLOAD
)
548 ret
= mptctl_fw_download(arg
);
549 else if (cmd
== MPTCOMMAND
)
550 ret
= mptctl_mpt_command(arg
);
551 else if (cmd
== MPTHARDRESET
)
552 ret
= mptctl_do_reset(arg
);
553 else if ((cmd
& ~IOCSIZE_MASK
) == (HP_GETHOSTINFO
& ~IOCSIZE_MASK
))
554 ret
= mptctl_hp_hostinfo(arg
, _IOC_SIZE(cmd
));
555 else if (cmd
== HP_GETTARGETINFO
)
556 ret
= mptctl_hp_targetinfo(arg
);
560 up(&iocp
->ioctl
->sem_ioc
);
566 mptctl_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
570 ret
= __mptctl_ioctl(file
, cmd
, arg
);
575 static int mptctl_do_reset(unsigned long arg
)
577 struct mpt_ioctl_diag_reset __user
*urinfo
= (void __user
*) arg
;
578 struct mpt_ioctl_diag_reset krinfo
;
581 dctlprintk((KERN_INFO
"mptctl_do_reset called.\n"));
583 if (copy_from_user(&krinfo
, urinfo
, sizeof(struct mpt_ioctl_diag_reset
))) {
584 printk(KERN_ERR
"%s@%d::mptctl_do_reset - "
585 "Unable to copy mpt_ioctl_diag_reset struct @ %p\n",
586 __FILE__
, __LINE__
, urinfo
);
590 if (mpt_verify_adapter(krinfo
.hdr
.iocnum
, &iocp
) < 0) {
591 dctlprintk((KERN_ERR
"%s@%d::mptctl_do_reset - ioc%d not found!\n",
592 __FILE__
, __LINE__
, krinfo
.hdr
.iocnum
));
593 return -ENODEV
; /* (-6) No such device or address */
596 if (mpt_HardResetHandler(iocp
, CAN_SLEEP
) != 0) {
597 printk (KERN_ERR
"%s@%d::mptctl_do_reset - reset failed.\n",
605 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
607 * MPT FW download function. Cast the arg into the mpt_fw_xfer structure.
608 * This structure contains: iocnum, firmware length (bytes),
609 * pointer to user space memory where the fw image is stored.
612 * Return: 0 if successful
613 * -EFAULT if data unavailable
614 * -ENXIO if no such device
615 * -EAGAIN if resource problem
616 * -ENOMEM if no memory for SGE
617 * -EMLINK if too many chain buffers required
618 * -EBADRQC if adapter does not support FW download
619 * -EBUSY if adapter is busy
620 * -ENOMSG if FW upload returned bad status
623 mptctl_fw_download(unsigned long arg
)
625 struct mpt_fw_xfer __user
*ufwdl
= (void __user
*) arg
;
626 struct mpt_fw_xfer kfwdl
;
628 dctlprintk((KERN_INFO
"mptctl_fwdl called. mptctl_id = %xh\n", mptctl_id
)); //tc
629 if (copy_from_user(&kfwdl
, ufwdl
, sizeof(struct mpt_fw_xfer
))) {
630 printk(KERN_ERR
"%s@%d::_ioctl_fwdl - "
631 "Unable to copy mpt_fw_xfer struct @ %p\n",
632 __FILE__
, __LINE__
, ufwdl
);
636 return mptctl_do_fw_download(kfwdl
.iocnum
, kfwdl
.bufp
, kfwdl
.fwlen
);
639 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
641 * FW Download engine.
643 * Return: 0 if successful
644 * -EFAULT if data unavailable
645 * -ENXIO if no such device
646 * -EAGAIN if resource problem
647 * -ENOMEM if no memory for SGE
648 * -EMLINK if too many chain buffers required
649 * -EBADRQC if adapter does not support FW download
650 * -EBUSY if adapter is busy
651 * -ENOMSG if FW upload returned bad status
654 mptctl_do_fw_download(int ioc
, char __user
*ufwbuf
, size_t fwlen
)
659 FWDownloadTCSGE_t
*ptsge
;
660 MptSge_t
*sgl
, *sgIn
;
662 struct buflist
*buflist
;
671 int fw_bytes_copied
= 0;
675 pFWDownloadReply_t ReplyMsg
= NULL
;
677 dctlprintk((KERN_INFO
"mptctl_do_fwdl called. mptctl_id = %xh.\n", mptctl_id
));
679 dctlprintk((KERN_INFO
"DbG: kfwdl.bufp = %p\n", ufwbuf
));
680 dctlprintk((KERN_INFO
"DbG: kfwdl.fwlen = %d\n", (int)fwlen
));
681 dctlprintk((KERN_INFO
"DbG: kfwdl.ioc = %04xh\n", ioc
));
683 if ((ioc
= mpt_verify_adapter(ioc
, &iocp
)) < 0) {
684 dctlprintk(("%s@%d::_ioctl_fwdl - ioc%d not found!\n",
685 __FILE__
, __LINE__
, ioc
));
686 return -ENODEV
; /* (-6) No such device or address */
689 /* Valid device. Get a message frame and construct the FW download message.
691 if ((mf
= mpt_get_msg_frame(mptctl_id
, iocp
)) == NULL
)
693 dlmsg
= (FWDownload_t
*) mf
;
694 ptsge
= (FWDownloadTCSGE_t
*) &dlmsg
->SGL
;
695 sgOut
= (char *) (ptsge
+ 1);
698 * Construct f/w download request
700 dlmsg
->ImageType
= MPI_FW_DOWNLOAD_ITYPE_FW
;
702 dlmsg
->ChainOffset
= 0;
703 dlmsg
->Function
= MPI_FUNCTION_FW_DOWNLOAD
;
704 dlmsg
->Reserved1
[0] = dlmsg
->Reserved1
[1] = dlmsg
->Reserved1
[2] = 0;
707 /* Set up the Transaction SGE.
710 ptsge
->ContextSize
= 0;
711 ptsge
->DetailsLength
= 12;
712 ptsge
->Flags
= MPI_SGE_FLAGS_TRANSACTION_ELEMENT
;
713 ptsge
->Reserved_0100_Checksum
= 0;
714 ptsge
->ImageOffset
= 0;
715 ptsge
->ImageSize
= cpu_to_le32(fwlen
);
721 * Need to kmalloc area(s) for holding firmware image bytes.
722 * But we need to do it piece meal, using a proper
723 * scatter gather list (with 128kB MAX hunks).
725 * A practical limit here might be # of sg hunks that fit into
726 * a single IOC request frame; 12 or 8 (see below), so:
727 * For FC9xx: 12 x 128kB == 1.5 mB (max)
728 * For C1030: 8 x 128kB == 1 mB (max)
729 * We could support chaining, but things get ugly(ier:)
731 * Set the sge_offset to the start of the sgl (bytes).
733 sgdir
= 0x04000000; /* IOC will READ from sys mem */
734 sge_offset
= sizeof(MPIHeader_t
) + sizeof(FWDownloadTCSGE_t
);
735 if ((sgl
= kbuf_alloc_2_sgl(fwlen
, sgdir
, sge_offset
,
736 &numfrags
, &buflist
, &sgl_dma
, iocp
)) == NULL
)
740 * We should only need SGL with 2 simple_32bit entries (up to 256 kB)
741 * for FC9xx f/w image, but calculate max number of sge hunks
742 * we can fit into a request frame, and limit ourselves to that.
743 * (currently no chain support)
744 * maxfrags = (Request Size - FWdownload Size ) / Size of 32 bit SGE
750 maxfrags
= (iocp
->req_sz
- sizeof(MPIHeader_t
) - sizeof(FWDownloadTCSGE_t
))
751 / (sizeof(dma_addr_t
) + sizeof(u32
));
752 if (numfrags
> maxfrags
) {
757 dctlprintk((KERN_INFO
"DbG: sgl buffer = %p, sgfrags = %d\n", sgl
, numfrags
));
760 * Parse SG list, copying sgl itself,
761 * plus f/w image hunks from user space as we go...
766 for (i
=0; i
< numfrags
; i
++) {
768 /* Get the SGE type: 0 - TCSGE, 3 - Chain, 1 - Simple SGE
769 * Skip everything but Simple. If simple, copy from
770 * user space into kernel space.
771 * Note: we should not have anything but Simple as
772 * Chain SGE are illegal.
774 nib
= (sgIn
->FlagsLength
& 0x30000000) >> 28;
775 if (nib
== 0 || nib
== 3) {
777 } else if (sgIn
->Address
) {
778 mpt_add_sge(sgOut
, sgIn
->FlagsLength
, sgIn
->Address
);
780 if (copy_from_user(bl
->kptr
, ufwbuf
+fw_bytes_copied
, bl
->len
)) {
781 printk(KERN_ERR
"%s@%d::_ioctl_fwdl - "
782 "Unable to copy f/w buffer hunk#%d @ %p\n",
783 __FILE__
, __LINE__
, n
, ufwbuf
);
786 fw_bytes_copied
+= bl
->len
;
790 sgOut
+= (sizeof(dma_addr_t
) + sizeof(u32
));
796 printk(KERN_INFO MYNAM
": F/W download request:\n" KERN_INFO
" ");
797 for (i
=0; i
< 7+numfrags
*2; i
++)
798 printk(" %08x", le32_to_cpu(m
[i
]));
804 * Finally, perform firmware download.
806 iocp
->ioctl
->wait_done
= 0;
807 mpt_put_msg_frame(mptctl_id
, iocp
, mf
);
809 /* Now wait for the command to complete */
810 ret
= wait_event_interruptible_timeout(mptctl_wait
,
811 iocp
->ioctl
->wait_done
== 1,
814 if(ret
<=0 && (iocp
->ioctl
->wait_done
!= 1 )) {
815 /* Now we need to reset the board */
816 mptctl_timeout_expired(iocp
->ioctl
);
822 kfree_sgl(sgl
, sgl_dma
, buflist
, iocp
);
824 ReplyMsg
= (pFWDownloadReply_t
)iocp
->ioctl
->ReplyFrame
;
825 iocstat
= le16_to_cpu(ReplyMsg
->IOCStatus
) & MPI_IOCSTATUS_MASK
;
826 if (iocstat
== MPI_IOCSTATUS_SUCCESS
) {
827 printk(KERN_INFO MYNAM
": F/W update successfully sent to %s!\n", iocp
->name
);
829 } else if (iocstat
== MPI_IOCSTATUS_INVALID_FUNCTION
) {
830 printk(KERN_WARNING MYNAM
": ?Hmmm... %s says it doesn't support F/W download!?!\n",
832 printk(KERN_WARNING MYNAM
": (time to go bang on somebodies door)\n");
834 } else if (iocstat
== MPI_IOCSTATUS_BUSY
) {
835 printk(KERN_WARNING MYNAM
": Warning! %s says: IOC_BUSY!\n", iocp
->name
);
836 printk(KERN_WARNING MYNAM
": (try again later?)\n");
839 printk(KERN_WARNING MYNAM
"::ioctl_fwdl() ERROR! %s returned [bad] status = %04xh\n",
840 iocp
->name
, iocstat
);
841 printk(KERN_WARNING MYNAM
": (bad VooDoo)\n");
847 kfree_sgl(sgl
, sgl_dma
, buflist
, iocp
);
851 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
853 * SGE Allocation routine
855 * Inputs: bytes - number of bytes to be transferred
856 * sgdir - data direction
857 * sge_offset - offset (in bytes) from the start of the request
858 * frame to the first SGE
859 * ioc - pointer to the mptadapter
860 * Outputs: frags - number of scatter gather elements
861 * blp - point to the buflist pointer
862 * sglbuf_dma - pointer to the (dma) sgl
863 * Returns: Null if failes
864 * pointer to the (virtual) sgl if successful.
867 kbuf_alloc_2_sgl(int bytes
, u32 sgdir
, int sge_offset
, int *frags
,
868 struct buflist
**blp
, dma_addr_t
*sglbuf_dma
, MPT_ADAPTER
*ioc
)
870 MptSge_t
*sglbuf
= NULL
; /* pointer to array of SGE */
871 /* and chain buffers */
872 struct buflist
*buflist
= NULL
; /* kernel routine */
876 int alloc_sz
= min(bytes
,MAX_KMALLOC_SZ
); // avoid kernel warning msg!
877 int bytes_allocd
= 0;
879 dma_addr_t pa
; // phys addr
881 int sg_spill
= MAX_FRAGS_SPILL1
;
887 /* Allocate and initialize an array of kernel
888 * structures for the SG elements.
890 i
= MAX_SGL_BYTES
/ 8;
891 buflist
= kmalloc(i
, GFP_USER
);
894 memset(buflist
, 0, i
);
897 /* Allocate a single block of memory to store the sg elements and
898 * the chain buffers. The calling routine is responsible for
899 * copying the data in this array into the correct place in the
900 * request and chain buffers.
902 sglbuf
= pci_alloc_consistent(ioc
->pcidev
, MAX_SGL_BYTES
, sglbuf_dma
);
906 if (sgdir
& 0x04000000)
907 dir
= PCI_DMA_TODEVICE
;
909 dir
= PCI_DMA_FROMDEVICE
;
912 * sgl = sglbuf = point to beginning of sg buffer
913 * buflist_ent = 0 = first kernel structure
914 * sg_spill = number of SGE that can be written before the first
919 sg_spill
= ((ioc
->req_sz
- sge_offset
)/(sizeof(dma_addr_t
) + sizeof(u32
))) - 1;
920 while (bytes_allocd
< bytes
) {
921 this_alloc
= min(alloc_sz
, bytes
-bytes_allocd
);
922 buflist
[buflist_ent
].len
= this_alloc
;
923 buflist
[buflist_ent
].kptr
= pci_alloc_consistent(ioc
->pcidev
,
926 if (buflist
[buflist_ent
].kptr
== NULL
) {
927 alloc_sz
= alloc_sz
/ 2;
929 printk(KERN_WARNING MYNAM
"-SG: No can do - "
930 "not enough memory! :-(\n");
931 printk(KERN_WARNING MYNAM
"-SG: (freeing %d frags)\n",
939 bytes_allocd
+= this_alloc
;
940 sgl
->FlagsLength
= (0x10000000|MPT_SGE_FLAGS_ADDRESSING
|sgdir
|this_alloc
);
941 dma_addr
= pci_map_single(ioc
->pcidev
, buflist
[buflist_ent
].kptr
, this_alloc
, dir
);
942 sgl
->Address
= dma_addr
;
950 if (bytes_allocd
>= bytes
)
954 if (fragcnt
== sg_spill
) {
955 printk(KERN_WARNING MYNAM
"-SG: No can do - " "Chain required! :-(\n");
956 printk(KERN_WARNING MYNAM
"(freeing %d frags)\n", numfrags
);
960 /* overflow check... */
961 if (numfrags
*8 > MAX_SGL_BYTES
){
963 printk(KERN_WARNING MYNAM
"-SG: No can do - "
964 "too many SG frags! :-(\n");
965 printk(KERN_WARNING MYNAM
"-SG: (freeing %d frags)\n",
971 /* Last sge fixup: set LE+eol+eob bits */
972 sgl
[-1].FlagsLength
|= 0xC1000000;
977 dctlprintk((KERN_INFO MYNAM
"-SG: kbuf_alloc_2_sgl() - "
978 "%d SG frags generated!\n",
981 dctlprintk((KERN_INFO MYNAM
"-SG: kbuf_alloc_2_sgl() - "
982 "last (big) alloc_sz=%d\n",
988 if (sglbuf
!= NULL
) {
991 for (i
= 0; i
< numfrags
; i
++) {
996 if ((sglbuf
[i
].FlagsLength
>> 24) == 0x30)
999 dma_addr
= sglbuf
[i
].Address
;
1000 kptr
= buflist
[i
].kptr
;
1001 len
= buflist
[i
].len
;
1003 pci_free_consistent(ioc
->pcidev
, len
, kptr
, dma_addr
);
1005 pci_free_consistent(ioc
->pcidev
, MAX_SGL_BYTES
, sglbuf
, *sglbuf_dma
);
1011 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1013 * Routine to free the SGL elements.
1016 kfree_sgl(MptSge_t
*sgl
, dma_addr_t sgl_dma
, struct buflist
*buflist
, MPT_ADAPTER
*ioc
)
1019 struct buflist
*bl
= buflist
;
1024 if (sg
->FlagsLength
& 0x04000000)
1025 dir
= PCI_DMA_TODEVICE
;
1027 dir
= PCI_DMA_FROMDEVICE
;
1029 nib
= (sg
->FlagsLength
& 0xF0000000) >> 28;
1030 while (! (nib
& 0x4)) { /* eob */
1031 /* skip ignore/chain. */
1032 if (nib
== 0 || nib
== 3) {
1034 } else if (sg
->Address
) {
1035 dma_addr_t dma_addr
;
1039 dma_addr
= sg
->Address
;
1042 pci_unmap_single(ioc
->pcidev
, dma_addr
, len
, dir
);
1043 pci_free_consistent(ioc
->pcidev
, len
, kptr
, dma_addr
);
1048 nib
= (le32_to_cpu(sg
->FlagsLength
) & 0xF0000000) >> 28;
1053 dma_addr_t dma_addr
;
1057 dma_addr
= sg
->Address
;
1060 pci_unmap_single(ioc
->pcidev
, dma_addr
, len
, dir
);
1061 pci_free_consistent(ioc
->pcidev
, len
, kptr
, dma_addr
);
1065 pci_free_consistent(ioc
->pcidev
, MAX_SGL_BYTES
, sgl
, sgl_dma
);
1067 dctlprintk((KERN_INFO MYNAM
"-SG: Free'd 1 SGL buf + %d kbufs!\n", n
));
1070 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1072 * mptctl_getiocinfo - Query the host adapter for IOC information.
1073 * @arg: User space argument
1076 * Return: 0 if successful
1077 * -EFAULT if data unavailable
1078 * -ENODEV if no such device/adapter
1081 mptctl_getiocinfo (unsigned long arg
, unsigned int data_size
)
1083 struct mpt_ioctl_iocinfo __user
*uarg
= (void __user
*) arg
;
1084 struct mpt_ioctl_iocinfo
*karg
;
1086 struct pci_dev
*pdev
;
1087 struct Scsi_Host
*sh
;
1091 unsigned int max_id
;
1097 dctlprintk((": mptctl_getiocinfo called.\n"));
1098 /* Add of PCI INFO results in unaligned access for
1099 * IA64 and Sparc. Reset long to int. Return no PCI
1100 * data for obsolete format.
1102 if (data_size
== sizeof(struct mpt_ioctl_iocinfo_rev0
))
1104 else if (data_size
== sizeof(struct mpt_ioctl_iocinfo_rev1
))
1106 else if (data_size
== sizeof(struct mpt_ioctl_iocinfo
))
1108 else if (data_size
== (sizeof(struct mpt_ioctl_iocinfo_rev0
)+12))
1109 cim_rev
= 0; /* obsolete */
1113 karg
= kmalloc(data_size
, GFP_KERNEL
);
1115 printk(KERN_ERR
"%s::mpt_ioctl_iocinfo() @%d - no memory available!\n",
1116 __FILE__
, __LINE__
);
1120 if (copy_from_user(karg
, uarg
, data_size
)) {
1121 printk(KERN_ERR
"%s@%d::mptctl_getiocinfo - "
1122 "Unable to read in mpt_ioctl_iocinfo struct @ %p\n",
1123 __FILE__
, __LINE__
, uarg
);
1128 if (((iocnum
= mpt_verify_adapter(karg
->hdr
.iocnum
, &ioc
)) < 0) ||
1130 dctlprintk((KERN_ERR
"%s::mptctl_getiocinfo() @%d - ioc%d not found!\n",
1131 __FILE__
, __LINE__
, iocnum
));
1136 /* Verify the data transfer size is correct. */
1137 if (karg
->hdr
.maxDataSize
!= data_size
) {
1138 printk(KERN_ERR
"%s@%d::mptctl_getiocinfo - "
1139 "Structure size mismatch. Command not completed.\n",
1140 __FILE__
, __LINE__
);
1145 /* Fill in the data and return the structure to the calling
1148 if (ioc
->bus_type
== FC
)
1149 karg
->adapterType
= MPT_IOCTL_INTERFACE_FC
;
1151 karg
->adapterType
= MPT_IOCTL_INTERFACE_SCSI
;
1153 if (karg
->hdr
.port
> 1)
1155 port
= karg
->hdr
.port
;
1158 pdev
= (struct pci_dev
*) ioc
->pcidev
;
1160 karg
->pciId
= pdev
->device
;
1161 pci_read_config_byte(pdev
, PCI_CLASS_REVISION
, &revision
);
1162 karg
->hwRev
= revision
;
1163 karg
->subSystemDevice
= pdev
->subsystem_device
;
1164 karg
->subSystemVendor
= pdev
->subsystem_vendor
;
1167 /* Get the PCI bus, device, and function numbers for the IOC
1169 karg
->pciInfo
.u
.bits
.busNumber
= pdev
->bus
->number
;
1170 karg
->pciInfo
.u
.bits
.deviceNumber
= PCI_SLOT( pdev
->devfn
);
1171 karg
->pciInfo
.u
.bits
.functionNumber
= PCI_FUNC( pdev
->devfn
);
1172 } else if (cim_rev
== 2) {
1173 /* Get the PCI bus, device, function and segment ID numbers
1175 karg
->pciInfo
.u
.bits
.busNumber
= pdev
->bus
->number
;
1176 karg
->pciInfo
.u
.bits
.deviceNumber
= PCI_SLOT( pdev
->devfn
);
1177 karg
->pciInfo
.u
.bits
.functionNumber
= PCI_FUNC( pdev
->devfn
);
1178 karg
->pciInfo
.u
.bits
.functionNumber
= PCI_FUNC( pdev
->devfn
);
1179 karg
->pciInfo
.segmentID
= pci_domain_nr(pdev
->bus
);
1182 /* Get number of devices
1184 if ((sh
= ioc
->sh
) != NULL
) {
1185 /* sh->max_id = maximum target ID + 1
1187 max_id
= sh
->max_id
- 1;
1188 hd
= (MPT_SCSI_HOST
*) sh
->hostdata
;
1190 /* Check all of the target structures and
1193 if (hd
&& hd
->Targets
) {
1194 for (ii
= 0; ii
<= max_id
; ii
++) {
1195 if (hd
->Targets
[ii
])
1200 karg
->numDevices
= numDevices
;
1202 /* Set the BIOS and FW Version
1204 karg
->FWVersion
= ioc
->facts
.FWVersion
.Word
;
1205 karg
->BIOSVersion
= ioc
->biosVersion
;
1207 /* Set the Version Strings.
1209 strncpy (karg
->driverVersion
, MPT_LINUX_PACKAGE_NAME
, MPT_IOCTL_VERSION_LENGTH
);
1210 karg
->driverVersion
[MPT_IOCTL_VERSION_LENGTH
-1]='\0';
1212 karg
->busChangeEvent
= 0;
1213 karg
->hostId
= ioc
->pfacts
[port
].PortSCSIID
;
1214 karg
->rsvd
[0] = karg
->rsvd
[1] = 0;
1216 /* Copy the data from kernel memory to user memory
1218 if (copy_to_user((char __user
*)arg
, karg
, data_size
)) {
1219 printk(KERN_ERR
"%s@%d::mptctl_getiocinfo - "
1220 "Unable to write out mpt_ioctl_iocinfo struct @ %p\n",
1221 __FILE__
, __LINE__
, uarg
);
1230 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1232 * mptctl_gettargetinfo - Query the host adapter for target information.
1233 * @arg: User space argument
1236 * Return: 0 if successful
1237 * -EFAULT if data unavailable
1238 * -ENODEV if no such device/adapter
1241 mptctl_gettargetinfo (unsigned long arg
)
1243 struct mpt_ioctl_targetinfo __user
*uarg
= (void __user
*) arg
;
1244 struct mpt_ioctl_targetinfo karg
;
1246 struct Scsi_Host
*sh
;
1255 unsigned int max_id
;
1256 int id
, jj
, indexed_lun
, lun_index
;
1260 u8 port
, devType
, bus_id
;
1262 dctlprintk(("mptctl_gettargetinfo called.\n"));
1263 if (copy_from_user(&karg
, uarg
, sizeof(struct mpt_ioctl_targetinfo
))) {
1264 printk(KERN_ERR
"%s@%d::mptctl_gettargetinfo - "
1265 "Unable to read in mpt_ioctl_targetinfo struct @ %p\n",
1266 __FILE__
, __LINE__
, uarg
);
1270 if (((iocnum
= mpt_verify_adapter(karg
.hdr
.iocnum
, &ioc
)) < 0) ||
1272 dctlprintk((KERN_ERR
"%s::mptctl_gettargetinfo() @%d - ioc%d not found!\n",
1273 __FILE__
, __LINE__
, iocnum
));
1277 /* Get the port number and set the maximum number of bytes
1278 * in the returned structure.
1279 * Ignore the port setting.
1281 numBytes
= karg
.hdr
.maxDataSize
- sizeof(mpt_ioctl_header
);
1282 maxWordsLeft
= numBytes
/sizeof(int);
1283 port
= karg
.hdr
.port
;
1285 if (maxWordsLeft
<= 0) {
1286 printk(KERN_ERR
"%s::mptctl_gettargetinfo() @%d - no memory available!\n",
1287 __FILE__
, __LINE__
);
1291 /* Fill in the data and return the structure to the calling
1295 /* struct mpt_ioctl_targetinfo does not contain sufficient space
1296 * for the target structures so when the IOCTL is called, there is
1297 * not sufficient stack space for the structure. Allocate memory,
1298 * populate the memory, copy back to the user, then free memory.
1299 * targetInfo format:
1300 * bits 31-24: reserved
1305 pmem
= kmalloc(numBytes
, GFP_KERNEL
);
1307 printk(KERN_ERR
"%s::mptctl_gettargetinfo() @%d - no memory available!\n",
1308 __FILE__
, __LINE__
);
1311 memset(pmem
, 0, numBytes
);
1312 pdata
= (int *) pmem
;
1314 /* Get number of devices
1316 if ((sh
= ioc
->sh
) != NULL
) {
1318 max_id
= sh
->max_id
- 1;
1319 hd
= (MPT_SCSI_HOST
*) sh
->hostdata
;
1321 /* Check all of the target structures.
1322 * Save the Id and increment the counter,
1324 * sh->max_id = maximum target ID + 1
1326 if (hd
&& hd
->Targets
) {
1327 mpt_findImVolumes(ioc
);
1328 pIoc2
= ioc
->raid_data
.pIocPg2
;
1329 for ( id
= 0; id
<= max_id
; ) {
1330 if ( pIoc2
&& pIoc2
->NumActiveVolumes
) {
1331 if ( id
== pIoc2
->RaidVolume
[0].VolumeID
) {
1332 if (maxWordsLeft
<= 0) {
1333 printk(KERN_ERR
"mptctl_gettargetinfo - "
1334 "buffer is full but volume is available on ioc %d\n, numDevices=%d", iocnum
, numDevices
);
1335 goto data_space_full
;
1337 if ( ( pIoc2
->RaidVolume
[0].Flags
& MPI_IOCPAGE2_FLAG_VOLUME_INACTIVE
) == 0 )
1341 bus_id
= pIoc2
->RaidVolume
[0].VolumeBus
;
1343 *pdata
= ( (devType
<< 24) | (bus_id
<< 8) | id
);
1344 dctlprintk((KERN_ERR
"mptctl_gettargetinfo - "
1345 "volume ioc=%d target=%x numDevices=%d pdata=%p\n", iocnum
, *pdata
, numDevices
, pdata
));
1350 pIoc3
= ioc
->raid_data
.pIocPg3
;
1351 for ( jj
= 0; jj
< pIoc3
->NumPhysDisks
; jj
++ ) {
1352 if ( pIoc3
->PhysDisk
[jj
].PhysDiskID
== id
)
1357 if ( (vdev
= hd
->Targets
[id
]) ) {
1358 for (jj
= 0; jj
<= MPT_LAST_LUN
; jj
++) {
1359 lun_index
= (jj
>> 5);
1360 indexed_lun
= (jj
% 32);
1361 lun
= (1 << indexed_lun
);
1362 if (vdev
->luns
[lun_index
] & lun
) {
1363 if (maxWordsLeft
<= 0) {
1364 printk(KERN_ERR
"mptctl_gettargetinfo - "
1365 "buffer is full but more targets are available on ioc %d numDevices=%d\n", iocnum
, numDevices
);
1366 goto data_space_full
;
1368 bus_id
= vdev
->bus_id
;
1370 *pdata
= ( (jj
<< 16) | (bus_id
<< 8) | id
);
1371 dctlprintk((KERN_ERR
"mptctl_gettargetinfo - "
1372 "target ioc=%d target=%x numDevices=%d pdata=%p\n", iocnum
, *pdata
, numDevices
, pdata
));
1384 karg
.numDevices
= numDevices
;
1386 /* Copy part of the data from kernel memory to user memory
1388 if (copy_to_user((char __user
*)arg
, &karg
,
1389 sizeof(struct mpt_ioctl_targetinfo
))) {
1390 printk(KERN_ERR
"%s@%d::mptctl_gettargetinfo - "
1391 "Unable to write out mpt_ioctl_targetinfo struct @ %p\n",
1392 __FILE__
, __LINE__
, uarg
);
1397 /* Copy the remaining data from kernel memory to user memory
1399 if (copy_to_user(uarg
->targetInfo
, pmem
, numBytes
)) {
1400 printk(KERN_ERR
"%s@%d::mptctl_gettargetinfo - "
1401 "Unable to write out mpt_ioctl_targetinfo struct @ %p\n",
1402 __FILE__
, __LINE__
, pdata
);
1412 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1413 /* MPT IOCTL Test function.
1416 * Return: 0 if successful
1417 * -EFAULT if data unavailable
1418 * -ENODEV if no such device/adapter
1421 mptctl_readtest (unsigned long arg
)
1423 struct mpt_ioctl_test __user
*uarg
= (void __user
*) arg
;
1424 struct mpt_ioctl_test karg
;
1428 dctlprintk(("mptctl_readtest called.\n"));
1429 if (copy_from_user(&karg
, uarg
, sizeof(struct mpt_ioctl_test
))) {
1430 printk(KERN_ERR
"%s@%d::mptctl_readtest - "
1431 "Unable to read in mpt_ioctl_test struct @ %p\n",
1432 __FILE__
, __LINE__
, uarg
);
1436 if (((iocnum
= mpt_verify_adapter(karg
.hdr
.iocnum
, &ioc
)) < 0) ||
1438 dctlprintk((KERN_ERR
"%s::mptctl_readtest() @%d - ioc%d not found!\n",
1439 __FILE__
, __LINE__
, iocnum
));
1443 /* Fill in the data and return the structure to the calling
1448 karg
.chip_type
= ioc
->mfcnt
;
1450 karg
.chip_type
= ioc
->pcidev
->device
;
1452 strncpy (karg
.name
, ioc
->name
, MPT_MAX_NAME
);
1453 karg
.name
[MPT_MAX_NAME
-1]='\0';
1454 strncpy (karg
.product
, ioc
->prod_name
, MPT_PRODUCT_LENGTH
);
1455 karg
.product
[MPT_PRODUCT_LENGTH
-1]='\0';
1457 /* Copy the data from kernel memory to user memory
1459 if (copy_to_user((char __user
*)arg
, &karg
, sizeof(struct mpt_ioctl_test
))) {
1460 printk(KERN_ERR
"%s@%d::mptctl_readtest - "
1461 "Unable to write out mpt_ioctl_test struct @ %p\n",
1462 __FILE__
, __LINE__
, uarg
);
1469 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1471 * mptctl_eventquery - Query the host adapter for the event types
1472 * that are being logged.
1473 * @arg: User space argument
1476 * Return: 0 if successful
1477 * -EFAULT if data unavailable
1478 * -ENODEV if no such device/adapter
1481 mptctl_eventquery (unsigned long arg
)
1483 struct mpt_ioctl_eventquery __user
*uarg
= (void __user
*) arg
;
1484 struct mpt_ioctl_eventquery karg
;
1488 dctlprintk(("mptctl_eventquery called.\n"));
1489 if (copy_from_user(&karg
, uarg
, sizeof(struct mpt_ioctl_eventquery
))) {
1490 printk(KERN_ERR
"%s@%d::mptctl_eventquery - "
1491 "Unable to read in mpt_ioctl_eventquery struct @ %p\n",
1492 __FILE__
, __LINE__
, uarg
);
1496 if (((iocnum
= mpt_verify_adapter(karg
.hdr
.iocnum
, &ioc
)) < 0) ||
1498 dctlprintk((KERN_ERR
"%s::mptctl_eventquery() @%d - ioc%d not found!\n",
1499 __FILE__
, __LINE__
, iocnum
));
1503 karg
.eventEntries
= ioc
->eventLogSize
;
1504 karg
.eventTypes
= ioc
->eventTypes
;
1506 /* Copy the data from kernel memory to user memory
1508 if (copy_to_user((char __user
*)arg
, &karg
, sizeof(struct mpt_ioctl_eventquery
))) {
1509 printk(KERN_ERR
"%s@%d::mptctl_eventquery - "
1510 "Unable to write out mpt_ioctl_eventquery struct @ %p\n",
1511 __FILE__
, __LINE__
, uarg
);
1517 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1519 mptctl_eventenable (unsigned long arg
)
1521 struct mpt_ioctl_eventenable __user
*uarg
= (void __user
*) arg
;
1522 struct mpt_ioctl_eventenable karg
;
1526 dctlprintk(("mptctl_eventenable called.\n"));
1527 if (copy_from_user(&karg
, uarg
, sizeof(struct mpt_ioctl_eventenable
))) {
1528 printk(KERN_ERR
"%s@%d::mptctl_eventenable - "
1529 "Unable to read in mpt_ioctl_eventenable struct @ %p\n",
1530 __FILE__
, __LINE__
, uarg
);
1534 if (((iocnum
= mpt_verify_adapter(karg
.hdr
.iocnum
, &ioc
)) < 0) ||
1536 dctlprintk((KERN_ERR
"%s::mptctl_eventenable() @%d - ioc%d not found!\n",
1537 __FILE__
, __LINE__
, iocnum
));
1541 if (ioc
->events
== NULL
) {
1542 /* Have not yet allocated memory - do so now.
1544 int sz
= MPTCTL_EVENT_LOG_SIZE
* sizeof(MPT_IOCTL_EVENTS
);
1545 ioc
->events
= kmalloc(sz
, GFP_KERNEL
);
1546 if (ioc
->events
== NULL
) {
1547 printk(KERN_ERR MYNAM
": ERROR - Insufficient memory to add adapter!\n");
1550 memset(ioc
->events
, 0, sz
);
1551 ioc
->alloc_total
+= sz
;
1553 ioc
->eventLogSize
= MPTCTL_EVENT_LOG_SIZE
;
1554 ioc
->eventContext
= 0;
1557 /* Update the IOC event logging flag.
1559 ioc
->eventTypes
= karg
.eventTypes
;
1564 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1566 mptctl_eventreport (unsigned long arg
)
1568 struct mpt_ioctl_eventreport __user
*uarg
= (void __user
*) arg
;
1569 struct mpt_ioctl_eventreport karg
;
1572 int numBytes
, maxEvents
, max
;
1574 dctlprintk(("mptctl_eventreport called.\n"));
1575 if (copy_from_user(&karg
, uarg
, sizeof(struct mpt_ioctl_eventreport
))) {
1576 printk(KERN_ERR
"%s@%d::mptctl_eventreport - "
1577 "Unable to read in mpt_ioctl_eventreport struct @ %p\n",
1578 __FILE__
, __LINE__
, uarg
);
1582 if (((iocnum
= mpt_verify_adapter(karg
.hdr
.iocnum
, &ioc
)) < 0) ||
1584 dctlprintk((KERN_ERR
"%s::mptctl_eventreport() @%d - ioc%d not found!\n",
1585 __FILE__
, __LINE__
, iocnum
));
1589 numBytes
= karg
.hdr
.maxDataSize
- sizeof(mpt_ioctl_header
);
1590 maxEvents
= numBytes
/sizeof(MPT_IOCTL_EVENTS
);
1593 max
= ioc
->eventLogSize
< maxEvents
? ioc
->eventLogSize
: maxEvents
;
1595 /* If fewer than 1 event is requested, there must have
1596 * been some type of error.
1598 if ((max
< 1) || !ioc
->events
)
1601 /* Copy the data from kernel memory to user memory
1603 numBytes
= max
* sizeof(MPT_IOCTL_EVENTS
);
1604 if (copy_to_user(uarg
->eventData
, ioc
->events
, numBytes
)) {
1605 printk(KERN_ERR
"%s@%d::mptctl_eventreport - "
1606 "Unable to write out mpt_ioctl_eventreport struct @ %p\n",
1607 __FILE__
, __LINE__
, ioc
->events
);
1614 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1616 mptctl_replace_fw (unsigned long arg
)
1618 struct mpt_ioctl_replace_fw __user
*uarg
= (void __user
*) arg
;
1619 struct mpt_ioctl_replace_fw karg
;
1624 dctlprintk(("mptctl_replace_fw called.\n"));
1625 if (copy_from_user(&karg
, uarg
, sizeof(struct mpt_ioctl_replace_fw
))) {
1626 printk(KERN_ERR
"%s@%d::mptctl_replace_fw - "
1627 "Unable to read in mpt_ioctl_replace_fw struct @ %p\n",
1628 __FILE__
, __LINE__
, uarg
);
1632 if (((iocnum
= mpt_verify_adapter(karg
.hdr
.iocnum
, &ioc
)) < 0) ||
1634 dctlprintk((KERN_ERR
"%s::mptctl_replace_fw() @%d - ioc%d not found!\n",
1635 __FILE__
, __LINE__
, iocnum
));
1639 /* If caching FW, Free the old FW image
1641 if (ioc
->cached_fw
== NULL
)
1644 mpt_free_fw_memory(ioc
);
1646 /* Allocate memory for the new FW image
1648 newFwSize
= karg
.newImageSize
;
1650 if (newFwSize
& 0x01)
1652 if (newFwSize
& 0x02)
1655 mpt_alloc_fw_memory(ioc
, newFwSize
);
1656 if (ioc
->cached_fw
== NULL
)
1659 /* Copy the data from user memory to kernel space
1661 if (copy_from_user(ioc
->cached_fw
, uarg
->newImage
, newFwSize
)) {
1662 printk(KERN_ERR
"%s@%d::mptctl_replace_fw - "
1663 "Unable to read in mpt_ioctl_replace_fw image "
1664 "@ %p\n", __FILE__
, __LINE__
, uarg
);
1665 mpt_free_fw_memory(ioc
);
1669 /* Update IOCFactsReply
1671 ioc
->facts
.FWImageSize
= newFwSize
;
1675 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1676 /* MPT IOCTL MPTCOMMAND function.
1677 * Cast the arg into the mpt_ioctl_mpt_command structure.
1680 * Return: 0 if successful
1681 * -EBUSY if previous command timout and IOC reset is not complete.
1682 * -EFAULT if data unavailable
1683 * -ENODEV if no such device/adapter
1684 * -ETIME if timer expires
1685 * -ENOMEM if memory allocation error
1688 mptctl_mpt_command (unsigned long arg
)
1690 struct mpt_ioctl_command __user
*uarg
= (void __user
*) arg
;
1691 struct mpt_ioctl_command karg
;
1696 dctlprintk(("mptctl_command called.\n"));
1698 if (copy_from_user(&karg
, uarg
, sizeof(struct mpt_ioctl_command
))) {
1699 printk(KERN_ERR
"%s@%d::mptctl_mpt_command - "
1700 "Unable to read in mpt_ioctl_command struct @ %p\n",
1701 __FILE__
, __LINE__
, uarg
);
1705 if (((iocnum
= mpt_verify_adapter(karg
.hdr
.iocnum
, &ioc
)) < 0) ||
1707 dctlprintk((KERN_ERR
"%s::mptctl_mpt_command() @%d - ioc%d not found!\n",
1708 __FILE__
, __LINE__
, iocnum
));
1712 rc
= mptctl_do_mpt_command (karg
, &uarg
->MF
);
1717 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1718 /* Worker routine for the IOCTL MPTCOMMAND and MPTCOMMAND32 (sparc) commands.
1721 * Return: 0 if successful
1722 * -EBUSY if previous command timout and IOC reset is not complete.
1723 * -EFAULT if data unavailable
1724 * -ENODEV if no such device/adapter
1725 * -ETIME if timer expires
1726 * -ENOMEM if memory allocation error
1727 * -EPERM if SCSI I/O and target is untagged
1730 mptctl_do_mpt_command (struct mpt_ioctl_command karg
, void __user
*mfPtr
)
1733 MPT_FRAME_HDR
*mf
= NULL
;
1736 struct buflist bufIn
; /* data In buffer */
1737 struct buflist bufOut
; /* data Out buffer */
1738 dma_addr_t dma_addr_in
;
1739 dma_addr_t dma_addr_out
;
1740 int sgSize
= 0; /* Num SG elements */
1741 int iocnum
, flagsLength
;
1747 dctlprintk(("mptctl_do_mpt_command called.\n"));
1748 bufIn
.kptr
= bufOut
.kptr
= NULL
;
1750 if (((iocnum
= mpt_verify_adapter(karg
.hdr
.iocnum
, &ioc
)) < 0) ||
1752 dctlprintk((KERN_ERR
"%s::mptctl_do_mpt_command() @%d - ioc%d not found!\n",
1753 __FILE__
, __LINE__
, iocnum
));
1757 printk(KERN_ERR
"%s@%d::mptctl_do_mpt_command - "
1758 "No memory available during driver init.\n",
1759 __FILE__
, __LINE__
);
1761 } else if (ioc
->ioctl
->status
& MPT_IOCTL_STATUS_DID_IOCRESET
) {
1762 printk(KERN_ERR
"%s@%d::mptctl_do_mpt_command - "
1763 "Busy with IOC Reset \n", __FILE__
, __LINE__
);
1767 /* Verify that the final request frame will not be too large.
1769 sz
= karg
.dataSgeOffset
* 4;
1770 if (karg
.dataInSize
> 0)
1771 sz
+= sizeof(dma_addr_t
) + sizeof(u32
);
1772 if (karg
.dataOutSize
> 0)
1773 sz
+= sizeof(dma_addr_t
) + sizeof(u32
);
1775 if (sz
> ioc
->req_sz
) {
1776 printk(KERN_ERR
"%s@%d::mptctl_do_mpt_command - "
1777 "Request frame too large (%d) maximum (%d)\n",
1778 __FILE__
, __LINE__
, sz
, ioc
->req_sz
);
1782 /* Get a free request frame and save the message context.
1784 if ((mf
= mpt_get_msg_frame(mptctl_id
, ioc
)) == NULL
)
1787 hdr
= (MPIHeader_t
*) mf
;
1788 msgContext
= le32_to_cpu(hdr
->MsgContext
);
1789 req_idx
= le16_to_cpu(mf
->u
.frame
.hwhdr
.msgctxu
.fld
.req_idx
);
1791 /* Copy the request frame
1792 * Reset the saved message context.
1793 * Request frame in user space
1795 if (copy_from_user(mf
, mfPtr
, karg
.dataSgeOffset
* 4)) {
1796 printk(KERN_ERR
"%s@%d::mptctl_do_mpt_command - "
1797 "Unable to read MF from mpt_ioctl_command struct @ %p\n",
1798 __FILE__
, __LINE__
, mfPtr
);
1802 hdr
->MsgContext
= cpu_to_le32(msgContext
);
1805 /* Verify that this request is allowed.
1807 switch (hdr
->Function
) {
1808 case MPI_FUNCTION_IOC_FACTS
:
1809 case MPI_FUNCTION_PORT_FACTS
:
1810 karg
.dataOutSize
= karg
.dataInSize
= 0;
1813 case MPI_FUNCTION_CONFIG
:
1814 case MPI_FUNCTION_FC_COMMON_TRANSPORT_SEND
:
1815 case MPI_FUNCTION_FC_EX_LINK_SRVC_SEND
:
1816 case MPI_FUNCTION_FW_UPLOAD
:
1817 case MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR
:
1818 case MPI_FUNCTION_FW_DOWNLOAD
:
1819 case MPI_FUNCTION_FC_PRIMITIVE_SEND
:
1822 case MPI_FUNCTION_SCSI_IO_REQUEST
:
1824 SCSIIORequest_t
*pScsiReq
= (SCSIIORequest_t
*) mf
;
1825 VirtTarget
*pTarget
= NULL
;
1826 MPT_SCSI_HOST
*hd
= NULL
;
1827 int qtag
= MPI_SCSIIO_CONTROL_UNTAGGED
;
1829 int target
= (int) pScsiReq
->TargetID
;
1832 if ((target
< 0) || (target
>= ioc
->sh
->max_id
)) {
1833 printk(KERN_ERR
"%s@%d::mptctl_do_mpt_command - "
1834 "Target ID out of bounds. \n",
1835 __FILE__
, __LINE__
);
1840 pScsiReq
->MsgFlags
= mpt_msg_flags();
1842 /* verify that app has not requested
1843 * more sense data than driver
1844 * can provide, if so, reset this parameter
1845 * set the sense buffer pointer low address
1846 * update the control field to specify Q type
1848 if (karg
.maxSenseBytes
> MPT_SENSE_BUFFER_SIZE
)
1849 pScsiReq
->SenseBufferLength
= MPT_SENSE_BUFFER_SIZE
;
1851 pScsiReq
->SenseBufferLength
= karg
.maxSenseBytes
;
1853 pScsiReq
->SenseBufferLowAddr
=
1854 cpu_to_le32(ioc
->sense_buf_low_dma
1855 + (req_idx
* MPT_SENSE_BUFFER_ALLOC
));
1857 if ((hd
= (MPT_SCSI_HOST
*) ioc
->sh
->hostdata
)) {
1859 pTarget
= hd
->Targets
[target
];
1862 if (pTarget
&&(pTarget
->tflags
& MPT_TARGET_FLAGS_Q_YES
))
1863 qtag
= MPI_SCSIIO_CONTROL_SIMPLEQ
;
1865 /* Have the IOCTL driver set the direction based
1866 * on the dataOutSize (ordering issue with Sparc).
1868 if (karg
.dataOutSize
> 0) {
1869 scsidir
= MPI_SCSIIO_CONTROL_WRITE
;
1870 dataSize
= karg
.dataOutSize
;
1872 scsidir
= MPI_SCSIIO_CONTROL_READ
;
1873 dataSize
= karg
.dataInSize
;
1876 pScsiReq
->Control
= cpu_to_le32(scsidir
| qtag
);
1877 pScsiReq
->DataLength
= cpu_to_le32(dataSize
);
1879 ioc
->ioctl
->reset
= MPTCTL_RESET_OK
;
1880 ioc
->ioctl
->target
= target
;
1883 printk(KERN_ERR
"%s@%d::mptctl_do_mpt_command - "
1884 "SCSI driver is not loaded. \n",
1885 __FILE__
, __LINE__
);
1891 case MPI_FUNCTION_RAID_ACTION
:
1896 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH
:
1898 SCSIIORequest_t
*pScsiReq
= (SCSIIORequest_t
*) mf
;
1899 int qtag
= MPI_SCSIIO_CONTROL_SIMPLEQ
;
1900 int scsidir
= MPI_SCSIIO_CONTROL_READ
;
1903 pScsiReq
->MsgFlags
= mpt_msg_flags();
1905 /* verify that app has not requested
1906 * more sense data than driver
1907 * can provide, if so, reset this parameter
1908 * set the sense buffer pointer low address
1909 * update the control field to specify Q type
1911 if (karg
.maxSenseBytes
> MPT_SENSE_BUFFER_SIZE
)
1912 pScsiReq
->SenseBufferLength
= MPT_SENSE_BUFFER_SIZE
;
1914 pScsiReq
->SenseBufferLength
= karg
.maxSenseBytes
;
1916 pScsiReq
->SenseBufferLowAddr
=
1917 cpu_to_le32(ioc
->sense_buf_low_dma
1918 + (req_idx
* MPT_SENSE_BUFFER_ALLOC
));
1920 /* All commands to physical devices are tagged
1923 /* Have the IOCTL driver set the direction based
1924 * on the dataOutSize (ordering issue with Sparc).
1926 if (karg
.dataOutSize
> 0) {
1927 scsidir
= MPI_SCSIIO_CONTROL_WRITE
;
1928 dataSize
= karg
.dataOutSize
;
1930 scsidir
= MPI_SCSIIO_CONTROL_READ
;
1931 dataSize
= karg
.dataInSize
;
1934 pScsiReq
->Control
= cpu_to_le32(scsidir
| qtag
);
1935 pScsiReq
->DataLength
= cpu_to_le32(dataSize
);
1937 ioc
->ioctl
->reset
= MPTCTL_RESET_OK
;
1938 ioc
->ioctl
->target
= pScsiReq
->TargetID
;
1940 printk(KERN_ERR
"%s@%d::mptctl_do_mpt_command - "
1941 "SCSI driver is not loaded. \n",
1942 __FILE__
, __LINE__
);
1948 case MPI_FUNCTION_SCSI_TASK_MGMT
:
1950 MPT_SCSI_HOST
*hd
= NULL
;
1951 if ((ioc
->sh
== NULL
) || ((hd
= (MPT_SCSI_HOST
*)ioc
->sh
->hostdata
) == NULL
)) {
1952 printk(KERN_ERR
"%s@%d::mptctl_do_mpt_command - "
1953 "SCSI driver not loaded or SCSI host not found. \n",
1954 __FILE__
, __LINE__
);
1957 } else if (mptctl_set_tm_flags(hd
) != 0) {
1964 case MPI_FUNCTION_IOC_INIT
:
1966 IOCInit_t
*pInit
= (IOCInit_t
*) mf
;
1967 u32 high_addr
, sense_high
;
1969 /* Verify that all entries in the IOC INIT match
1970 * existing setup (and in LE format).
1972 if (sizeof(dma_addr_t
) == sizeof(u64
)) {
1973 high_addr
= cpu_to_le32((u32
)((u64
)ioc
->req_frames_dma
>> 32));
1974 sense_high
= cpu_to_le32((u32
)((u64
)ioc
->sense_buf_pool_dma
>> 32));
1980 if ((pInit
->Flags
!= 0) || (pInit
->MaxDevices
!= ioc
->facts
.MaxDevices
) ||
1981 (pInit
->MaxBuses
!= ioc
->facts
.MaxBuses
) ||
1982 (pInit
->ReplyFrameSize
!= cpu_to_le16(ioc
->reply_sz
)) ||
1983 (pInit
->HostMfaHighAddr
!= high_addr
) ||
1984 (pInit
->SenseBufferHighAddr
!= sense_high
)) {
1985 printk(KERN_ERR
"%s@%d::mptctl_do_mpt_command - "
1986 "IOC_INIT issued with 1 or more incorrect parameters. Rejected.\n",
1987 __FILE__
, __LINE__
);
1995 * MPI_FUNCTION_PORT_ENABLE
1996 * MPI_FUNCTION_TARGET_CMD_BUFFER_POST
1997 * MPI_FUNCTION_TARGET_ASSIST
1998 * MPI_FUNCTION_TARGET_STATUS_SEND
1999 * MPI_FUNCTION_TARGET_MODE_ABORT
2000 * MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET
2001 * MPI_FUNCTION_IO_UNIT_RESET
2002 * MPI_FUNCTION_HANDSHAKE
2003 * MPI_FUNCTION_REPLY_FRAME_REMOVAL
2004 * MPI_FUNCTION_EVENT_NOTIFICATION
2005 * (driver handles event notification)
2006 * MPI_FUNCTION_EVENT_ACK
2009 /* What to do with these??? CHECK ME!!!
2010 MPI_FUNCTION_FC_LINK_SRVC_BUF_POST
2011 MPI_FUNCTION_FC_LINK_SRVC_RSP
2012 MPI_FUNCTION_FC_ABORT
2013 MPI_FUNCTION_LAN_SEND
2014 MPI_FUNCTION_LAN_RECEIVE
2015 MPI_FUNCTION_LAN_RESET
2018 printk(KERN_ERR
"%s@%d::mptctl_do_mpt_command - "
2019 "Illegal request (function 0x%x) \n",
2020 __FILE__
, __LINE__
, hdr
->Function
);
2025 /* Add the SGL ( at most one data in SGE and one data out SGE )
2026 * In the case of two SGE's - the data out (write) will always
2027 * preceede the data in (read) SGE. psgList is used to free the
2030 psge
= (char *) (((int *) mf
) + karg
.dataSgeOffset
);
2033 /* bufIn and bufOut are used for user to kernel space transfers
2035 bufIn
.kptr
= bufOut
.kptr
= NULL
;
2036 bufIn
.len
= bufOut
.len
= 0;
2038 if (karg
.dataOutSize
> 0)
2041 if (karg
.dataInSize
> 0)
2046 /* Set up the dataOut memory allocation */
2047 if (karg
.dataOutSize
> 0) {
2048 if (karg
.dataInSize
> 0) {
2049 flagsLength
= ( MPI_SGE_FLAGS_SIMPLE_ELEMENT
|
2050 MPI_SGE_FLAGS_END_OF_BUFFER
|
2051 MPI_SGE_FLAGS_DIRECTION
|
2053 << MPI_SGE_FLAGS_SHIFT
;
2055 flagsLength
= MPT_SGE_FLAGS_SSIMPLE_WRITE
;
2057 flagsLength
|= karg
.dataOutSize
;
2058 bufOut
.len
= karg
.dataOutSize
;
2059 bufOut
.kptr
= pci_alloc_consistent(
2060 ioc
->pcidev
, bufOut
.len
, &dma_addr_out
);
2062 if (bufOut
.kptr
== NULL
) {
2067 * Copy to MF and to sglbuf
2069 mpt_add_sge(psge
, flagsLength
, dma_addr_out
);
2070 psge
+= (sizeof(u32
) + sizeof(dma_addr_t
));
2072 /* Copy user data to kernel space.
2074 if (copy_from_user(bufOut
.kptr
,
2078 "%s@%d::mptctl_do_mpt_command - Unable "
2079 "to read user data "
2081 __FILE__
, __LINE__
,karg
.dataOutBufPtr
);
2088 if (karg
.dataInSize
> 0) {
2089 flagsLength
= MPT_SGE_FLAGS_SSIMPLE_READ
;
2090 flagsLength
|= karg
.dataInSize
;
2092 bufIn
.len
= karg
.dataInSize
;
2093 bufIn
.kptr
= pci_alloc_consistent(ioc
->pcidev
,
2094 bufIn
.len
, &dma_addr_in
);
2096 if (bufIn
.kptr
== NULL
) {
2101 * Copy to MF and to sglbuf
2103 mpt_add_sge(psge
, flagsLength
, dma_addr_in
);
2109 mpt_add_sge(psge
, flagsLength
, (dma_addr_t
) -1);
2112 ioc
->ioctl
->wait_done
= 0;
2113 if (hdr
->Function
== MPI_FUNCTION_SCSI_TASK_MGMT
) {
2115 DBG_DUMP_TM_REQUEST_FRAME((u32
*)mf
);
2117 if (mpt_send_handshake_request(mptctl_id
, ioc
,
2118 sizeof(SCSITaskMgmt_t
), (u32
*)mf
,
2120 dfailprintk((MYIOC_s_ERR_FMT
"_send_handshake FAILED!"
2121 " (ioc %p, mf %p) \n", ioc
->name
,
2123 mptctl_free_tm_flags(ioc
);
2129 mpt_put_msg_frame(mptctl_id
, ioc
, mf
);
2131 /* Now wait for the command to complete */
2132 timeout
= (karg
.timeout
> 0) ? karg
.timeout
: MPT_IOCTL_DEFAULT_TIMEOUT
;
2133 timeout
= wait_event_interruptible_timeout(mptctl_wait
,
2134 ioc
->ioctl
->wait_done
== 1,
2137 if(timeout
<=0 && (ioc
->ioctl
->wait_done
!= 1 )) {
2138 /* Now we need to reset the board */
2140 if (hdr
->Function
== MPI_FUNCTION_SCSI_TASK_MGMT
)
2141 mptctl_free_tm_flags(ioc
);
2143 mptctl_timeout_expired(ioc
->ioctl
);
2150 /* If a valid reply frame, copy to the user.
2151 * Offset 2: reply length in U32's
2153 if (ioc
->ioctl
->status
& MPT_IOCTL_STATUS_RF_VALID
) {
2154 if (karg
.maxReplyBytes
< ioc
->reply_sz
) {
2155 sz
= min(karg
.maxReplyBytes
, 4*ioc
->ioctl
->ReplyFrame
[2]);
2157 sz
= min(ioc
->reply_sz
, 4*ioc
->ioctl
->ReplyFrame
[2]);
2161 if (copy_to_user(karg
.replyFrameBufPtr
,
2162 &ioc
->ioctl
->ReplyFrame
, sz
)){
2164 "%s@%d::mptctl_do_mpt_command - "
2165 "Unable to write out reply frame %p\n",
2166 __FILE__
, __LINE__
, karg
.replyFrameBufPtr
);
2173 /* If valid sense data, copy to user.
2175 if (ioc
->ioctl
->status
& MPT_IOCTL_STATUS_SENSE_VALID
) {
2176 sz
= min(karg
.maxSenseBytes
, MPT_SENSE_BUFFER_SIZE
);
2178 if (copy_to_user(karg
.senseDataPtr
, ioc
->ioctl
->sense
, sz
)) {
2179 printk(KERN_ERR
"%s@%d::mptctl_do_mpt_command - "
2180 "Unable to write sense data to user %p\n",
2189 /* If the overall status is _GOOD and data in, copy data
2192 if ((ioc
->ioctl
->status
& MPT_IOCTL_STATUS_COMMAND_GOOD
) &&
2193 (karg
.dataInSize
> 0) && (bufIn
.kptr
)) {
2195 if (copy_to_user(karg
.dataInBufPtr
,
2196 bufIn
.kptr
, karg
.dataInSize
)) {
2197 printk(KERN_ERR
"%s@%d::mptctl_do_mpt_command - "
2198 "Unable to write data to user %p\n",
2207 ioc
->ioctl
->status
&= ~(MPT_IOCTL_STATUS_COMMAND_GOOD
|
2208 MPT_IOCTL_STATUS_SENSE_VALID
|
2209 MPT_IOCTL_STATUS_RF_VALID
);
2211 /* Free the allocated memory.
2213 if (bufOut
.kptr
!= NULL
) {
2214 pci_free_consistent(ioc
->pcidev
,
2215 bufOut
.len
, (void *) bufOut
.kptr
, dma_addr_out
);
2218 if (bufIn
.kptr
!= NULL
) {
2219 pci_free_consistent(ioc
->pcidev
,
2220 bufIn
.len
, (void *) bufIn
.kptr
, dma_addr_in
);
2223 /* mf is null if command issued successfully
2224 * otherwise, failure occured after mf acquired.
2227 mpt_free_msg_frame(ioc
, mf
);
2232 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2233 /* Prototype Routine for the HP HOST INFO command.
2236 * Return: 0 if successful
2237 * -EFAULT if data unavailable
2238 * -EBUSY if previous command timout and IOC reset is not complete.
2239 * -ENODEV if no such device/adapter
2240 * -ETIME if timer expires
2241 * -ENOMEM if memory allocation error
2244 mptctl_hp_hostinfo(unsigned long arg
, unsigned int data_size
)
2246 hp_host_info_t __user
*uarg
= (void __user
*) arg
;
2248 struct pci_dev
*pdev
;
2251 hp_host_info_t karg
;
2253 ConfigPageHeader_t hdr
;
2257 dctlprintk((": mptctl_hp_hostinfo called.\n"));
2258 /* Reset long to int. Should affect IA64 and SPARC only
2260 if (data_size
== sizeof(hp_host_info_t
))
2262 else if (data_size
== sizeof(hp_host_info_rev0_t
))
2263 cim_rev
= 0; /* obsolete */
2267 if (copy_from_user(&karg
, uarg
, sizeof(hp_host_info_t
))) {
2268 printk(KERN_ERR
"%s@%d::mptctl_hp_host_info - "
2269 "Unable to read in hp_host_info struct @ %p\n",
2270 __FILE__
, __LINE__
, uarg
);
2274 if (((iocnum
= mpt_verify_adapter(karg
.hdr
.iocnum
, &ioc
)) < 0) ||
2276 dctlprintk((KERN_ERR
"%s::mptctl_hp_hostinfo() @%d - ioc%d not found!\n",
2277 __FILE__
, __LINE__
, iocnum
));
2281 /* Fill in the data and return the structure to the calling
2284 pdev
= (struct pci_dev
*) ioc
->pcidev
;
2286 karg
.vendor
= pdev
->vendor
;
2287 karg
.device
= pdev
->device
;
2288 karg
.subsystem_id
= pdev
->subsystem_device
;
2289 karg
.subsystem_vendor
= pdev
->subsystem_vendor
;
2290 karg
.devfn
= pdev
->devfn
;
2291 karg
.bus
= pdev
->bus
->number
;
2293 /* Save the SCSI host no. if
2294 * SCSI driver loaded
2296 if (ioc
->sh
!= NULL
)
2297 karg
.host_no
= ioc
->sh
->host_no
;
2301 /* Reformat the fw_version into a string
2303 karg
.fw_version
[0] = ioc
->facts
.FWVersion
.Struct
.Major
>= 10 ?
2304 ((ioc
->facts
.FWVersion
.Struct
.Major
/ 10) + '0') : '0';
2305 karg
.fw_version
[1] = (ioc
->facts
.FWVersion
.Struct
.Major
% 10 ) + '0';
2306 karg
.fw_version
[2] = '.';
2307 karg
.fw_version
[3] = ioc
->facts
.FWVersion
.Struct
.Minor
>= 10 ?
2308 ((ioc
->facts
.FWVersion
.Struct
.Minor
/ 10) + '0') : '0';
2309 karg
.fw_version
[4] = (ioc
->facts
.FWVersion
.Struct
.Minor
% 10 ) + '0';
2310 karg
.fw_version
[5] = '.';
2311 karg
.fw_version
[6] = ioc
->facts
.FWVersion
.Struct
.Unit
>= 10 ?
2312 ((ioc
->facts
.FWVersion
.Struct
.Unit
/ 10) + '0') : '0';
2313 karg
.fw_version
[7] = (ioc
->facts
.FWVersion
.Struct
.Unit
% 10 ) + '0';
2314 karg
.fw_version
[8] = '.';
2315 karg
.fw_version
[9] = ioc
->facts
.FWVersion
.Struct
.Dev
>= 10 ?
2316 ((ioc
->facts
.FWVersion
.Struct
.Dev
/ 10) + '0') : '0';
2317 karg
.fw_version
[10] = (ioc
->facts
.FWVersion
.Struct
.Dev
% 10 ) + '0';
2318 karg
.fw_version
[11] = '\0';
2320 /* Issue a config request to get the device serial number
2322 hdr
.PageVersion
= 0;
2325 hdr
.PageType
= MPI_CONFIG_PAGETYPE_MANUFACTURING
;
2326 cfg
.cfghdr
.hdr
= &hdr
;
2329 cfg
.action
= MPI_CONFIG_ACTION_PAGE_HEADER
;
2330 cfg
.dir
= 0; /* read */
2333 strncpy(karg
.serial_number
, " ", 24);
2334 if (mpt_config(ioc
, &cfg
) == 0) {
2335 if (cfg
.cfghdr
.hdr
->PageLength
> 0) {
2336 /* Issue the second config page request */
2337 cfg
.action
= MPI_CONFIG_ACTION_PAGE_READ_CURRENT
;
2339 pbuf
= pci_alloc_consistent(ioc
->pcidev
, hdr
.PageLength
* 4, &buf_dma
);
2341 cfg
.physAddr
= buf_dma
;
2342 if (mpt_config(ioc
, &cfg
) == 0) {
2343 ManufacturingPage0_t
*pdata
= (ManufacturingPage0_t
*) pbuf
;
2344 if (strlen(pdata
->BoardTracerNumber
) > 1) {
2345 strncpy(karg
.serial_number
, pdata
->BoardTracerNumber
, 24);
2346 karg
.serial_number
[24-1]='\0';
2349 pci_free_consistent(ioc
->pcidev
, hdr
.PageLength
* 4, pbuf
, buf_dma
);
2354 rc
= mpt_GetIocState(ioc
, 1);
2356 case MPI_IOC_STATE_OPERATIONAL
:
2357 karg
.ioc_status
= HP_STATUS_OK
;
2360 case MPI_IOC_STATE_FAULT
:
2361 karg
.ioc_status
= HP_STATUS_FAILED
;
2364 case MPI_IOC_STATE_RESET
:
2365 case MPI_IOC_STATE_READY
:
2367 karg
.ioc_status
= HP_STATUS_OTHER
;
2371 karg
.base_io_addr
= pci_resource_start(pdev
, 0);
2373 if (ioc
->bus_type
== FC
)
2374 karg
.bus_phys_width
= HP_BUS_WIDTH_UNK
;
2376 karg
.bus_phys_width
= HP_BUS_WIDTH_16
;
2378 karg
.hard_resets
= 0;
2379 karg
.soft_resets
= 0;
2381 if (ioc
->sh
!= NULL
) {
2382 MPT_SCSI_HOST
*hd
= (MPT_SCSI_HOST
*)ioc
->sh
->hostdata
;
2384 if (hd
&& (cim_rev
== 1)) {
2385 karg
.hard_resets
= hd
->hard_resets
;
2386 karg
.soft_resets
= hd
->soft_resets
;
2387 karg
.timeouts
= hd
->timeouts
;
2392 cfg
.action
= MPI_TOOLBOX_ISTWI_READ_WRITE_TOOL
;
2393 cfg
.dir
= MPI_TB_ISTWI_FLAGS_READ
;
2395 pbuf
= pci_alloc_consistent(ioc
->pcidev
, 4, &buf_dma
);
2397 cfg
.physAddr
= buf_dma
;
2398 if ((mpt_toolbox(ioc
, &cfg
)) == 0) {
2399 karg
.rsvd
= *(u32
*)pbuf
;
2401 pci_free_consistent(ioc
->pcidev
, 4, pbuf
, buf_dma
);
2405 /* Copy the data from kernel memory to user memory
2407 if (copy_to_user((char __user
*)arg
, &karg
, sizeof(hp_host_info_t
))) {
2408 printk(KERN_ERR
"%s@%d::mptctl_hpgethostinfo - "
2409 "Unable to write out hp_host_info @ %p\n",
2410 __FILE__
, __LINE__
, uarg
);
2418 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2419 /* Prototype Routine for the HP TARGET INFO command.
2422 * Return: 0 if successful
2423 * -EFAULT if data unavailable
2424 * -EBUSY if previous command timout and IOC reset is not complete.
2425 * -ENODEV if no such device/adapter
2426 * -ETIME if timer expires
2427 * -ENOMEM if memory allocation error
2430 mptctl_hp_targetinfo(unsigned long arg
)
2432 hp_target_info_t __user
*uarg
= (void __user
*) arg
;
2433 SCSIDevicePage0_t
*pg0_alloc
;
2434 SCSIDevicePage3_t
*pg3_alloc
;
2436 MPT_SCSI_HOST
*hd
= NULL
;
2437 hp_target_info_t karg
;
2440 dma_addr_t page_dma
;
2442 ConfigPageHeader_t hdr
;
2443 int tmp
, np
, rc
= 0;
2445 dctlprintk((": mptctl_hp_targetinfo called.\n"));
2446 if (copy_from_user(&karg
, uarg
, sizeof(hp_target_info_t
))) {
2447 printk(KERN_ERR
"%s@%d::mptctl_hp_targetinfo - "
2448 "Unable to read in hp_host_targetinfo struct @ %p\n",
2449 __FILE__
, __LINE__
, uarg
);
2453 if (((iocnum
= mpt_verify_adapter(karg
.hdr
.iocnum
, &ioc
)) < 0) ||
2455 dctlprintk((KERN_ERR
"%s::mptctl_hp_targetinfo() @%d - ioc%d not found!\n",
2456 __FILE__
, __LINE__
, iocnum
));
2460 /* There is nothing to do for FCP parts.
2462 if (ioc
->bus_type
== FC
)
2465 if ((ioc
->spi_data
.sdp0length
== 0) || (ioc
->sh
== NULL
))
2468 if (ioc
->sh
->host_no
!= karg
.hdr
.host
)
2471 /* Get the data transfer speeds
2473 data_sz
= ioc
->spi_data
.sdp0length
* 4;
2474 pg0_alloc
= (SCSIDevicePage0_t
*) pci_alloc_consistent(ioc
->pcidev
, data_sz
, &page_dma
);
2476 hdr
.PageVersion
= ioc
->spi_data
.sdp0version
;
2477 hdr
.PageLength
= data_sz
;
2479 hdr
.PageType
= MPI_CONFIG_PAGETYPE_SCSI_DEVICE
;
2481 cfg
.cfghdr
.hdr
= &hdr
;
2482 cfg
.action
= MPI_CONFIG_ACTION_PAGE_READ_CURRENT
;
2485 cfg
.physAddr
= page_dma
;
2487 cfg
.pageAddr
= (karg
.hdr
.channel
<< 8) | karg
.hdr
.id
;
2489 if ((rc
= mpt_config(ioc
, &cfg
)) == 0) {
2490 np
= le32_to_cpu(pg0_alloc
->NegotiatedParameters
);
2491 karg
.negotiated_width
= np
& MPI_SCSIDEVPAGE0_NP_WIDE
?
2492 HP_BUS_WIDTH_16
: HP_BUS_WIDTH_8
;
2494 if (np
& MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK
) {
2495 tmp
= (np
& MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK
) >> 8;
2497 karg
.negotiated_speed
= HP_DEV_SPEED_ULTRA320
;
2498 else if (tmp
<= 0x09)
2499 karg
.negotiated_speed
= HP_DEV_SPEED_ULTRA160
;
2500 else if (tmp
<= 0x0A)
2501 karg
.negotiated_speed
= HP_DEV_SPEED_ULTRA2
;
2502 else if (tmp
<= 0x0C)
2503 karg
.negotiated_speed
= HP_DEV_SPEED_ULTRA
;
2504 else if (tmp
<= 0x25)
2505 karg
.negotiated_speed
= HP_DEV_SPEED_FAST
;
2507 karg
.negotiated_speed
= HP_DEV_SPEED_ASYNC
;
2509 karg
.negotiated_speed
= HP_DEV_SPEED_ASYNC
;
2512 pci_free_consistent(ioc
->pcidev
, data_sz
, (u8
*) pg0_alloc
, page_dma
);
2517 karg
.message_rejects
= -1;
2518 karg
.phase_errors
= -1;
2519 karg
.parity_errors
= -1;
2520 karg
.select_timeouts
= -1;
2522 /* Get the target error parameters
2524 hdr
.PageVersion
= 0;
2527 hdr
.PageType
= MPI_CONFIG_PAGETYPE_SCSI_DEVICE
;
2529 cfg
.cfghdr
.hdr
= &hdr
;
2530 cfg
.action
= MPI_CONFIG_ACTION_PAGE_HEADER
;
2534 if ((mpt_config(ioc
, &cfg
) == 0) && (cfg
.cfghdr
.hdr
->PageLength
> 0)) {
2535 /* Issue the second config page request */
2536 cfg
.action
= MPI_CONFIG_ACTION_PAGE_READ_CURRENT
;
2537 data_sz
= (int) cfg
.cfghdr
.hdr
->PageLength
* 4;
2538 pg3_alloc
= (SCSIDevicePage3_t
*) pci_alloc_consistent(
2539 ioc
->pcidev
, data_sz
, &page_dma
);
2541 cfg
.physAddr
= page_dma
;
2542 cfg
.pageAddr
= (karg
.hdr
.channel
<< 8) | karg
.hdr
.id
;
2543 if ((rc
= mpt_config(ioc
, &cfg
)) == 0) {
2544 karg
.message_rejects
= (u32
) le16_to_cpu(pg3_alloc
->MsgRejectCount
);
2545 karg
.phase_errors
= (u32
) le16_to_cpu(pg3_alloc
->PhaseErrorCount
);
2546 karg
.parity_errors
= (u32
) le16_to_cpu(pg3_alloc
->ParityErrorCount
);
2548 pci_free_consistent(ioc
->pcidev
, data_sz
, (u8
*) pg3_alloc
, page_dma
);
2551 hd
= (MPT_SCSI_HOST
*) ioc
->sh
->hostdata
;
2553 karg
.select_timeouts
= hd
->sel_timeout
[karg
.hdr
.id
];
2555 /* Copy the data from kernel memory to user memory
2557 if (copy_to_user((char __user
*)arg
, &karg
, sizeof(hp_target_info_t
))) {
2558 printk(KERN_ERR
"%s@%d::mptctl_hp_target_info - "
2559 "Unable to write out mpt_ioctl_targetinfo struct @ %p\n",
2560 __FILE__
, __LINE__
, uarg
);
2567 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2569 static struct file_operations mptctl_fops
= {
2570 .owner
= THIS_MODULE
,
2571 .llseek
= no_llseek
,
2572 .unlocked_ioctl
= mptctl_ioctl
,
2573 #ifdef CONFIG_COMPAT
2574 .compat_ioctl
= compat_mpctl_ioctl
,
2578 static struct miscdevice mptctl_miscdev
= {
2584 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2586 #ifdef CONFIG_COMPAT
2588 #include <linux/ioctl32.h>
2591 compat_mptfwxfer_ioctl(struct file
*filp
, unsigned int cmd
,
2594 struct mpt_fw_xfer32 kfw32
;
2595 struct mpt_fw_xfer kfw
;
2596 MPT_ADAPTER
*iocp
= NULL
;
2597 int iocnum
, iocnumX
;
2598 int nonblock
= (filp
->f_flags
& O_NONBLOCK
);
2601 dctlprintk((KERN_INFO MYNAM
"::compat_mptfwxfer_ioctl() called\n"));
2603 if (copy_from_user(&kfw32
, (char __user
*)arg
, sizeof(kfw32
)))
2606 /* Verify intended MPT adapter */
2607 iocnumX
= kfw32
.iocnum
& 0xFF;
2608 if (((iocnum
= mpt_verify_adapter(iocnumX
, &iocp
)) < 0) ||
2610 dctlprintk((KERN_ERR MYNAM
"::compat_mptfwxfer_ioctl @%d - ioc%d not found!\n",
2611 __LINE__
, iocnumX
));
2615 if ((ret
= mptctl_syscall_down(iocp
, nonblock
)) != 0)
2618 kfw
.iocnum
= iocnum
;
2619 kfw
.fwlen
= kfw32
.fwlen
;
2620 kfw
.bufp
= compat_ptr(kfw32
.bufp
);
2622 ret
= mptctl_do_fw_download(kfw
.iocnum
, kfw
.bufp
, kfw
.fwlen
);
2624 up(&iocp
->ioctl
->sem_ioc
);
2630 compat_mpt_command(struct file
*filp
, unsigned int cmd
,
2633 struct mpt_ioctl_command32 karg32
;
2634 struct mpt_ioctl_command32 __user
*uarg
= (struct mpt_ioctl_command32 __user
*) arg
;
2635 struct mpt_ioctl_command karg
;
2636 MPT_ADAPTER
*iocp
= NULL
;
2637 int iocnum
, iocnumX
;
2638 int nonblock
= (filp
->f_flags
& O_NONBLOCK
);
2641 dctlprintk((KERN_INFO MYNAM
"::compat_mpt_command() called\n"));
2643 if (copy_from_user(&karg32
, (char __user
*)arg
, sizeof(karg32
)))
2646 /* Verify intended MPT adapter */
2647 iocnumX
= karg32
.hdr
.iocnum
& 0xFF;
2648 if (((iocnum
= mpt_verify_adapter(iocnumX
, &iocp
)) < 0) ||
2650 dctlprintk((KERN_ERR MYNAM
"::compat_mpt_command @%d - ioc%d not found!\n",
2651 __LINE__
, iocnumX
));
2655 if ((ret
= mptctl_syscall_down(iocp
, nonblock
)) != 0)
2658 /* Copy data to karg */
2659 karg
.hdr
.iocnum
= karg32
.hdr
.iocnum
;
2660 karg
.hdr
.port
= karg32
.hdr
.port
;
2661 karg
.timeout
= karg32
.timeout
;
2662 karg
.maxReplyBytes
= karg32
.maxReplyBytes
;
2664 karg
.dataInSize
= karg32
.dataInSize
;
2665 karg
.dataOutSize
= karg32
.dataOutSize
;
2666 karg
.maxSenseBytes
= karg32
.maxSenseBytes
;
2667 karg
.dataSgeOffset
= karg32
.dataSgeOffset
;
2669 karg
.replyFrameBufPtr
= (char __user
*)(unsigned long)karg32
.replyFrameBufPtr
;
2670 karg
.dataInBufPtr
= (char __user
*)(unsigned long)karg32
.dataInBufPtr
;
2671 karg
.dataOutBufPtr
= (char __user
*)(unsigned long)karg32
.dataOutBufPtr
;
2672 karg
.senseDataPtr
= (char __user
*)(unsigned long)karg32
.senseDataPtr
;
2674 /* Pass new structure to do_mpt_command
2676 ret
= mptctl_do_mpt_command (karg
, &uarg
->MF
);
2678 up(&iocp
->ioctl
->sem_ioc
);
2683 static long compat_mpctl_ioctl(struct file
*f
, unsigned int cmd
, unsigned long arg
)
2693 case MPTEVENTENABLE
:
2694 case MPTEVENTREPORT
:
2696 case HP_GETHOSTINFO
:
2697 case HP_GETTARGETINFO
:
2699 ret
= __mptctl_ioctl(f
, cmd
, arg
);
2702 ret
= compat_mpt_command(f
, cmd
, arg
);
2704 case MPTFWDOWNLOAD32
:
2705 ret
= compat_mptfwxfer_ioctl(f
, cmd
, arg
);
2718 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2720 * mptctl_probe - Installs ioctl devices per bus.
2721 * @pdev: Pointer to pci_dev structure
2723 * Returns 0 for success, non-zero for failure.
2728 mptctl_probe(struct pci_dev
*pdev
, const struct pci_device_id
*id
)
2733 MPT_ADAPTER
*ioc
= pci_get_drvdata(pdev
);
2736 * Allocate and inite a MPT_IOCTL structure
2738 sz
= sizeof (MPT_IOCTL
);
2739 mem
= kmalloc(sz
, GFP_KERNEL
);
2746 ioc
->ioctl
= (MPT_IOCTL
*) mem
;
2747 ioc
->ioctl
->ioc
= ioc
;
2748 sema_init(&ioc
->ioctl
->sem_ioc
, 1);
2753 mptctl_remove(pdev
);
2757 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2759 * mptctl_remove - Removed ioctl devices
2760 * @pdev: Pointer to pci_dev structure
2765 mptctl_remove(struct pci_dev
*pdev
)
2767 MPT_ADAPTER
*ioc
= pci_get_drvdata(pdev
);
2769 kfree ( ioc
->ioctl
);
2772 static struct mpt_pci_driver mptctl_driver
= {
2773 .probe
= mptctl_probe
,
2774 .remove
= mptctl_remove
,
2777 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2778 static int __init
mptctl_init(void)
2783 show_mptmod_ver(my_NAME
, my_VERSION
);
2785 if(mpt_device_driver_register(&mptctl_driver
,
2786 MPTCTL_DRIVER
) != 0 ) {
2787 dprintk((KERN_INFO MYNAM
2788 ": failed to register dd callbacks\n"));
2791 /* Register this device */
2792 err
= misc_register(&mptctl_miscdev
);
2794 printk(KERN_ERR MYNAM
": Can't register misc device [minor=%d].\n", MPT_MINOR
);
2797 printk(KERN_INFO MYNAM
": Registered with Fusion MPT base driver\n");
2798 printk(KERN_INFO MYNAM
": /dev/%s @ (major,minor=%d,%d)\n",
2799 mptctl_miscdev
.name
, MISC_MAJOR
, mptctl_miscdev
.minor
);
2802 * Install our handler
2805 if ((mptctl_id
= mpt_register(mptctl_reply
, MPTCTL_DRIVER
)) < 0) {
2806 printk(KERN_ERR MYNAM
": ERROR: Failed to register with Fusion MPT base driver\n");
2807 misc_deregister(&mptctl_miscdev
);
2812 if (mpt_reset_register(mptctl_id
, mptctl_ioc_reset
) == 0) {
2813 dprintk((KERN_INFO MYNAM
": Registered for IOC reset notifications\n"));
2822 mpt_device_driver_deregister(MPTCTL_DRIVER
);
2827 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2828 static void mptctl_exit(void)
2830 misc_deregister(&mptctl_miscdev
);
2831 printk(KERN_INFO MYNAM
": Deregistered /dev/%s @ (major,minor=%d,%d)\n",
2832 mptctl_miscdev
.name
, MISC_MAJOR
, mptctl_miscdev
.minor
);
2834 /* De-register reset handler from base module */
2835 mpt_reset_deregister(mptctl_id
);
2836 dprintk((KERN_INFO MYNAM
": Deregistered for IOC reset notifications\n"));
2838 /* De-register callback handler from base module */
2839 mpt_deregister(mptctl_id
);
2840 printk(KERN_INFO MYNAM
": Deregistered from Fusion MPT base driver\n");
2842 mpt_device_driver_deregister(MPTCTL_DRIVER
);
2846 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2848 module_init(mptctl_init
);
2849 module_exit(mptctl_exit
);