Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * linux/drivers/message/fusion/mptctl.c | |
b6fe4ddc MED |
3 | * mpt Ioctl driver. |
4 | * For use with LSI Logic PCI chip/adapters | |
1da177e4 LT |
5 | * running LSI Logic Fusion MPT (Message Passing Technology) firmware. |
6 | * | |
b6fe4ddc | 7 | * Copyright (c) 1999-2005 LSI Logic Corporation |
1da177e4 LT |
8 | * (mailto:mpt_linux_developer@lsil.com) |
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 | ||
b6fe4ddc MED |
69 | #define COPYRIGHT "Copyright (c) 1999-2005 LSI Logic Corporation" |
70 | #define MODULEAUTHOR "LSI Logic 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 | ||
79 | MODULE_AUTHOR(MODULEAUTHOR); | |
80 | MODULE_DESCRIPTION(my_NAME); | |
81 | MODULE_LICENSE("GPL"); | |
82 | ||
83 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
84 | ||
85 | static int mptctl_id = -1; | |
86 | ||
87 | static DECLARE_WAIT_QUEUE_HEAD ( mptctl_wait ); | |
88 | ||
89 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
90 | ||
91 | struct buflist { | |
92 | u8 *kptr; | |
93 | int len; | |
94 | }; | |
95 | ||
96 | /* | |
97 | * Function prototypes. Called from OS entry point mptctl_ioctl. | |
98 | * arg contents specific to function. | |
99 | */ | |
100 | static int mptctl_fw_download(unsigned long arg); | |
d485eb83 MED |
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); | |
1da177e4 LT |
109 | |
110 | static int mptctl_do_reset(unsigned long arg); | |
111 | static int mptctl_hp_hostinfo(unsigned long arg, unsigned int cmd); | |
112 | static int mptctl_hp_targetinfo(unsigned long arg); | |
113 | ||
114 | static int mptctl_probe(struct pci_dev *, const struct pci_device_id *); | |
115 | static void mptctl_remove(struct pci_dev *); | |
116 | ||
117 | #ifdef CONFIG_COMPAT | |
118 | static long compat_mpctl_ioctl(struct file *f, unsigned cmd, unsigned long arg); | |
119 | #endif | |
120 | /* | |
121 | * Private function calls. | |
122 | */ | |
d485eb83 | 123 | static int mptctl_do_mpt_command(struct mpt_ioctl_command karg, void __user *mfPtr); |
1da177e4 | 124 | static int mptctl_do_fw_download(int ioc, char __user *ufwbuf, size_t fwlen); |
d485eb83 | 125 | static MptSge_t *kbuf_alloc_2_sgl(int bytes, u32 dir, int sge_offset, int *frags, |
1da177e4 | 126 | struct buflist **blp, dma_addr_t *sglbuf_dma, MPT_ADAPTER *ioc); |
d485eb83 | 127 | static void kfree_sgl(MptSge_t *sgl, dma_addr_t sgl_dma, |
1da177e4 LT |
128 | struct buflist *buflist, MPT_ADAPTER *ioc); |
129 | static void mptctl_timeout_expired (MPT_IOCTL *ioctl); | |
130 | static int mptctl_bus_reset(MPT_IOCTL *ioctl); | |
131 | static int mptctl_set_tm_flags(MPT_SCSI_HOST *hd); | |
132 | static void mptctl_free_tm_flags(MPT_ADAPTER *ioc); | |
133 | ||
134 | /* | |
135 | * Reset Handler cleanup function | |
136 | */ | |
137 | static int mptctl_ioc_reset(MPT_ADAPTER *ioc, int reset_phase); | |
138 | ||
ea5a7a82 ME |
139 | /* |
140 | * Event Handler function | |
141 | */ | |
142 | static int mptctl_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply); | |
143 | struct fasync_struct *async_queue=NULL; | |
144 | ||
1da177e4 LT |
145 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
146 | /* | |
147 | * Scatter gather list (SGL) sizes and limits... | |
148 | */ | |
149 | //#define MAX_SCSI_FRAGS 9 | |
150 | #define MAX_FRAGS_SPILL1 9 | |
151 | #define MAX_FRAGS_SPILL2 15 | |
152 | #define FRAGS_PER_BUCKET (MAX_FRAGS_SPILL2 + 1) | |
153 | ||
154 | //#define MAX_CHAIN_FRAGS 64 | |
155 | //#define MAX_CHAIN_FRAGS (15+15+15+16) | |
156 | #define MAX_CHAIN_FRAGS (4 * MAX_FRAGS_SPILL2 + 1) | |
157 | ||
158 | // Define max sg LIST bytes ( == (#frags + #chains) * 8 bytes each) | |
159 | // Works out to: 592d bytes! (9+1)*8 + 4*(15+1)*8 | |
160 | // ^----------------- 80 + 512 | |
161 | #define MAX_SGL_BYTES ((MAX_FRAGS_SPILL1 + 1 + (4 * FRAGS_PER_BUCKET)) * 8) | |
162 | ||
163 | /* linux only seems to ever give 128kB MAX contiguous (GFP_USER) mem bytes */ | |
164 | #define MAX_KMALLOC_SZ (128*1024) | |
165 | ||
166 | #define MPT_IOCTL_DEFAULT_TIMEOUT 10 /* Default timeout value (seconds) */ | |
167 | ||
168 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
169 | /** | |
170 | * mptctl_syscall_down - Down the MPT adapter syscall semaphore. | |
171 | * @ioc: Pointer to MPT adapter | |
172 | * @nonblock: boolean, non-zero if O_NONBLOCK is set | |
173 | * | |
174 | * All of the ioctl commands can potentially sleep, which is illegal | |
175 | * with a spinlock held, thus we perform mutual exclusion here. | |
176 | * | |
177 | * Returns negative errno on error, or zero for success. | |
178 | */ | |
179 | static inline int | |
180 | mptctl_syscall_down(MPT_ADAPTER *ioc, int nonblock) | |
181 | { | |
182 | int rc = 0; | |
183 | dctlprintk((KERN_INFO MYNAM "::mptctl_syscall_down(%p,%d) called\n", ioc, nonblock)); | |
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 | } | |
192 | dctlprintk((KERN_INFO MYNAM "::mptctl_syscall_down return %d\n", rc)); | |
193 | return rc; | |
194 | } | |
195 | ||
196 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
197 | /* | |
198 | * This is the callback for any message we have posted. The message itself | |
199 | * will be returned to the message pool when we return from the IRQ | |
200 | * | |
201 | * This runs in irq context so be short and sweet. | |
202 | */ | |
203 | static int | |
204 | mptctl_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply) | |
205 | { | |
206 | char *sense_data; | |
207 | int sz, req_index; | |
208 | u16 iocStatus; | |
209 | u8 cmd; | |
210 | ||
211 | dctlprintk(("mptctl_reply()!\n")); | |
212 | if (req) | |
213 | cmd = req->u.hdr.Function; | |
214 | else | |
215 | return 1; | |
216 | ||
217 | if (ioc->ioctl) { | |
218 | ||
219 | if (reply==NULL) { | |
220 | ||
221 | dctlprintk(("mptctl_reply() NULL Reply " | |
222 | "Function=%x!\n", cmd)); | |
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 | ||
235 | dctlprintk(("mptctl_reply() with req=%p " | |
236 | "reply=%p Function=%x!\n", req, reply, cmd)); | |
237 | ||
238 | /* Copy the reply frame (which much exist | |
239 | * for non-SCSI I/O) to the IOC structure. | |
240 | */ | |
241 | dctlprintk(("Copying Reply Frame @%p to ioc%d!\n", | |
242 | reply, ioc->id)); | |
243 | memcpy(ioc->ioctl->ReplyFrame, reply, | |
244 | min(ioc->reply_sz, 4*reply->u.reply.MsgLength)); | |
245 | ioc->ioctl->status |= MPT_IOCTL_STATUS_RF_VALID; | |
246 | ||
247 | /* Set the command status to GOOD if IOC Status is GOOD | |
248 | * OR if SCSI I/O cmd and data underrun or recovered error. | |
249 | */ | |
637fa99b | 250 | iocStatus = le16_to_cpu(reply->u.reply.IOCStatus) & MPI_IOCSTATUS_MASK; |
1da177e4 LT |
251 | if (iocStatus == MPI_IOCSTATUS_SUCCESS) |
252 | ioc->ioctl->status |= MPT_IOCTL_STATUS_COMMAND_GOOD; | |
253 | ||
254 | if ((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) || | |
255 | (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) { | |
256 | ioc->ioctl->reset &= ~MPTCTL_RESET_OK; | |
257 | ||
258 | if ((iocStatus == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN) || | |
259 | (iocStatus == MPI_IOCSTATUS_SCSI_RECOVERED_ERROR)) { | |
260 | ioc->ioctl->status |= MPT_IOCTL_STATUS_COMMAND_GOOD; | |
261 | } | |
262 | } | |
263 | ||
264 | /* Copy the sense data - if present | |
265 | */ | |
266 | if ((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) && | |
267 | (reply->u.sreply.SCSIState & | |
268 | MPI_SCSI_STATE_AUTOSENSE_VALID)){ | |
269 | sz = req->u.scsireq.SenseBufferLength; | |
270 | req_index = | |
271 | le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx); | |
272 | sense_data = | |
273 | ((u8 *)ioc->sense_buf_pool + | |
274 | (req_index * MPT_SENSE_BUFFER_ALLOC)); | |
275 | memcpy(ioc->ioctl->sense, sense_data, sz); | |
276 | ioc->ioctl->status |= MPT_IOCTL_STATUS_SENSE_VALID; | |
277 | } | |
278 | ||
279 | if (cmd == MPI_FUNCTION_SCSI_TASK_MGMT) | |
280 | mptctl_free_tm_flags(ioc); | |
281 | ||
282 | /* We are done, issue wake up | |
283 | */ | |
284 | ioc->ioctl->wait_done = 1; | |
285 | wake_up (&mptctl_wait); | |
286 | } | |
287 | return 1; | |
288 | } | |
289 | ||
290 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
291 | /* mptctl_timeout_expired | |
292 | * | |
293 | * Expecting an interrupt, however timed out. | |
294 | * | |
295 | */ | |
296 | static void mptctl_timeout_expired (MPT_IOCTL *ioctl) | |
297 | { | |
298 | int rc = 1; | |
299 | ||
300 | dctlprintk((KERN_NOTICE MYNAM ": Timeout Expired! Host %d\n", | |
301 | ioctl->ioc->id)); | |
302 | if (ioctl == NULL) | |
303 | return; | |
304 | ||
305 | ioctl->wait_done = 0; | |
306 | if (ioctl->reset & MPTCTL_RESET_OK) | |
307 | rc = mptctl_bus_reset(ioctl); | |
308 | ||
309 | if (rc) { | |
310 | /* Issue a reset for this device. | |
311 | * The IOC is not responding. | |
312 | */ | |
313 | dctlprintk((MYIOC_s_INFO_FMT "Calling HardReset! \n", | |
314 | ioctl->ioc->name)); | |
315 | mpt_HardResetHandler(ioctl->ioc, NO_SLEEP); | |
316 | } | |
317 | return; | |
318 | ||
319 | } | |
320 | ||
321 | /* mptctl_bus_reset | |
322 | * | |
323 | * Bus reset code. | |
324 | * | |
325 | */ | |
326 | static int mptctl_bus_reset(MPT_IOCTL *ioctl) | |
327 | { | |
328 | MPT_FRAME_HDR *mf; | |
329 | SCSITaskMgmt_t *pScsiTm; | |
330 | MPT_SCSI_HOST *hd; | |
331 | int ii; | |
332 | int retval; | |
333 | ||
334 | ||
335 | ioctl->reset &= ~MPTCTL_RESET_OK; | |
336 | ||
337 | if (ioctl->ioc->sh == NULL) | |
338 | return -EPERM; | |
339 | ||
340 | hd = (MPT_SCSI_HOST *) ioctl->ioc->sh->hostdata; | |
341 | if (hd == NULL) | |
342 | return -EPERM; | |
343 | ||
344 | /* Single threading .... | |
345 | */ | |
346 | if (mptctl_set_tm_flags(hd) != 0) | |
347 | return -EPERM; | |
348 | ||
349 | /* Send request | |
350 | */ | |
351 | if ((mf = mpt_get_msg_frame(mptctl_id, ioctl->ioc)) == NULL) { | |
352 | dctlprintk((MYIOC_s_WARN_FMT "IssueTaskMgmt, no msg frames!!\n", | |
353 | ioctl->ioc->name)); | |
354 | ||
355 | mptctl_free_tm_flags(ioctl->ioc); | |
356 | return -ENOMEM; | |
357 | } | |
358 | ||
359 | dtmprintk((MYIOC_s_INFO_FMT "IssueTaskMgmt request @ %p\n", | |
360 | ioctl->ioc->name, mf)); | |
361 | ||
362 | pScsiTm = (SCSITaskMgmt_t *) mf; | |
363 | pScsiTm->TargetID = ioctl->target; | |
364 | pScsiTm->Bus = hd->port; /* 0 */ | |
365 | pScsiTm->ChainOffset = 0; | |
366 | pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT; | |
367 | pScsiTm->Reserved = 0; | |
368 | pScsiTm->TaskType = MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS; | |
369 | pScsiTm->Reserved1 = 0; | |
370 | pScsiTm->MsgFlags = MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION; | |
371 | ||
372 | for (ii= 0; ii < 8; ii++) | |
373 | pScsiTm->LUN[ii] = 0; | |
374 | ||
375 | for (ii=0; ii < 7; ii++) | |
376 | pScsiTm->Reserved2[ii] = 0; | |
377 | ||
378 | pScsiTm->TaskMsgContext = 0; | |
379 | dtmprintk((MYIOC_s_INFO_FMT | |
380 | "mptctl_bus_reset: issued.\n", ioctl->ioc->name)); | |
381 | ||
382 | DBG_DUMP_TM_REQUEST_FRAME((u32 *)mf); | |
383 | ||
384 | ioctl->wait_done=0; | |
385 | if ((retval = mpt_send_handshake_request(mptctl_id, ioctl->ioc, | |
386 | sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP)) != 0) { | |
387 | dfailprintk((MYIOC_s_ERR_FMT "_send_handshake FAILED!" | |
388 | " (hd %p, ioc %p, mf %p) \n", hd->ioc->name, hd, | |
389 | hd->ioc, mf)); | |
390 | goto mptctl_bus_reset_done; | |
391 | } | |
392 | ||
393 | /* Now wait for the command to complete */ | |
86a7dcaa | 394 | ii = wait_event_timeout(mptctl_wait, |
1da177e4 LT |
395 | ioctl->wait_done == 1, |
396 | HZ*5 /* 5 second timeout */); | |
397 | ||
398 | if(ii <=0 && (ioctl->wait_done != 1 )) { | |
86a7dcaa | 399 | mpt_free_msg_frame(hd->ioc, mf); |
1da177e4 LT |
400 | ioctl->wait_done = 0; |
401 | retval = -1; /* return failure */ | |
402 | } | |
403 | ||
404 | mptctl_bus_reset_done: | |
405 | ||
1da177e4 LT |
406 | mptctl_free_tm_flags(ioctl->ioc); |
407 | return retval; | |
408 | } | |
409 | ||
410 | static int | |
411 | mptctl_set_tm_flags(MPT_SCSI_HOST *hd) { | |
412 | unsigned long flags; | |
413 | ||
414 | spin_lock_irqsave(&hd->ioc->FreeQlock, flags); | |
415 | ||
416 | if (hd->tmState == TM_STATE_NONE) { | |
417 | hd->tmState = TM_STATE_IN_PROGRESS; | |
418 | hd->tmPending = 1; | |
419 | spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags); | |
420 | } else { | |
421 | spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags); | |
422 | return -EBUSY; | |
423 | } | |
424 | ||
425 | return 0; | |
426 | } | |
427 | ||
428 | static void | |
429 | mptctl_free_tm_flags(MPT_ADAPTER *ioc) | |
430 | { | |
431 | MPT_SCSI_HOST * hd; | |
432 | unsigned long flags; | |
433 | ||
434 | hd = (MPT_SCSI_HOST *) ioc->sh->hostdata; | |
435 | if (hd == NULL) | |
436 | return; | |
437 | ||
438 | spin_lock_irqsave(&ioc->FreeQlock, flags); | |
439 | ||
440 | hd->tmState = TM_STATE_NONE; | |
441 | hd->tmPending = 0; | |
442 | spin_unlock_irqrestore(&ioc->FreeQlock, flags); | |
443 | ||
444 | return; | |
445 | } | |
446 | ||
447 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
448 | /* mptctl_ioc_reset | |
449 | * | |
450 | * Clean-up functionality. Used only if there has been a | |
451 | * reload of the FW due. | |
452 | * | |
453 | */ | |
454 | static int | |
455 | mptctl_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) | |
456 | { | |
457 | MPT_IOCTL *ioctl = ioc->ioctl; | |
458 | dctlprintk((KERN_INFO MYNAM ": IOC %s_reset routed to IOCTL driver!\n", | |
459 | reset_phase==MPT_IOC_SETUP_RESET ? "setup" : ( | |
460 | reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post"))); | |
461 | ||
462 | if(ioctl == NULL) | |
463 | return 1; | |
464 | ||
465 | switch(reset_phase) { | |
466 | case MPT_IOC_SETUP_RESET: | |
467 | ioctl->status |= MPT_IOCTL_STATUS_DID_IOCRESET; | |
468 | break; | |
469 | case MPT_IOC_POST_RESET: | |
470 | ioctl->status &= ~MPT_IOCTL_STATUS_DID_IOCRESET; | |
471 | break; | |
472 | case MPT_IOC_PRE_RESET: | |
473 | default: | |
474 | break; | |
475 | } | |
476 | ||
477 | return 1; | |
478 | } | |
479 | ||
ea5a7a82 ME |
480 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
481 | /* ASYNC Event Notification Support */ | |
482 | static int | |
483 | mptctl_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) | |
484 | { | |
485 | u8 event; | |
486 | ||
487 | event = le32_to_cpu(pEvReply->Event) & 0xFF; | |
488 | ||
489 | dctlprintk(("%s() called\n", __FUNCTION__)); | |
490 | if(async_queue == NULL) | |
491 | return 1; | |
492 | ||
493 | /* Raise SIGIO for persistent events. | |
494 | * TODO - this define is not in MPI spec yet, | |
495 | * but they plan to set it to 0x21 | |
496 | */ | |
497 | if (event == 0x21 ) { | |
498 | ioc->aen_event_read_flag=1; | |
499 | dctlprintk(("Raised SIGIO to application\n")); | |
3a892bef | 500 | devtverboseprintk(("Raised SIGIO to application\n")); |
ea5a7a82 ME |
501 | kill_fasync(&async_queue, SIGIO, POLL_IN); |
502 | return 1; | |
503 | } | |
504 | ||
505 | /* This flag is set after SIGIO was raised, and | |
506 | * remains set until the application has read | |
507 | * the event log via ioctl=MPTEVENTREPORT | |
508 | */ | |
509 | if(ioc->aen_event_read_flag) | |
510 | return 1; | |
511 | ||
512 | /* Signal only for the events that are | |
513 | * requested for by the application | |
514 | */ | |
515 | if (ioc->events && (ioc->eventTypes & ( 1 << event))) { | |
516 | ioc->aen_event_read_flag=1; | |
517 | dctlprintk(("Raised SIGIO to application\n")); | |
3a892bef | 518 | devtverboseprintk(("Raised SIGIO to application\n")); |
ea5a7a82 ME |
519 | kill_fasync(&async_queue, SIGIO, POLL_IN); |
520 | } | |
521 | return 1; | |
522 | } | |
523 | ||
524 | static int | |
525 | mptctl_fasync(int fd, struct file *filep, int mode) | |
526 | { | |
527 | MPT_ADAPTER *ioc; | |
528 | ||
529 | list_for_each_entry(ioc, &ioc_list, list) | |
530 | ioc->aen_event_read_flag=0; | |
531 | ||
532 | dctlprintk(("%s() called\n", __FUNCTION__)); | |
533 | return fasync_helper(fd, filep, mode, &async_queue); | |
534 | } | |
535 | ||
536 | static int | |
537 | mptctl_release(struct inode *inode, struct file *filep) | |
538 | { | |
539 | dctlprintk(("%s() called\n", __FUNCTION__)); | |
540 | return fasync_helper(-1, filep, 0, &async_queue); | |
541 | } | |
542 | ||
1da177e4 LT |
543 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
544 | /* | |
545 | * MPT ioctl handler | |
546 | * cmd - specify the particular IOCTL command to be issued | |
547 | * arg - data specific to the command. Must not be null. | |
548 | */ | |
549 | static long | |
550 | __mptctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
551 | { | |
552 | mpt_ioctl_header __user *uhdr = (void __user *) arg; | |
553 | mpt_ioctl_header khdr; | |
554 | int iocnum; | |
555 | unsigned iocnumX; | |
556 | int nonblock = (file->f_flags & O_NONBLOCK); | |
557 | int ret; | |
558 | MPT_ADAPTER *iocp = NULL; | |
559 | ||
560 | dctlprintk(("mptctl_ioctl() called\n")); | |
561 | ||
562 | if (copy_from_user(&khdr, uhdr, sizeof(khdr))) { | |
563 | printk(KERN_ERR "%s::mptctl_ioctl() @%d - " | |
564 | "Unable to copy mpt_ioctl_header data @ %p\n", | |
565 | __FILE__, __LINE__, uhdr); | |
566 | return -EFAULT; | |
567 | } | |
568 | ret = -ENXIO; /* (-6) No such device or address */ | |
569 | ||
570 | /* Verify intended MPT adapter - set iocnum and the adapter | |
571 | * pointer (iocp) | |
572 | */ | |
573 | iocnumX = khdr.iocnum & 0xFF; | |
574 | if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) || | |
575 | (iocp == NULL)) { | |
576 | dctlprintk((KERN_ERR "%s::mptctl_ioctl() @%d - ioc%d not found!\n", | |
577 | __FILE__, __LINE__, iocnumX)); | |
578 | return -ENODEV; | |
579 | } | |
580 | ||
581 | if (!iocp->active) { | |
582 | printk(KERN_ERR "%s::mptctl_ioctl() @%d - Controller disabled.\n", | |
583 | __FILE__, __LINE__); | |
584 | return -EFAULT; | |
585 | } | |
586 | ||
587 | /* Handle those commands that are just returning | |
588 | * information stored in the driver. | |
589 | * These commands should never time out and are unaffected | |
590 | * by TM and FW reloads. | |
591 | */ | |
592 | if ((cmd & ~IOCSIZE_MASK) == (MPTIOCINFO & ~IOCSIZE_MASK)) { | |
593 | return mptctl_getiocinfo(arg, _IOC_SIZE(cmd)); | |
594 | } else if (cmd == MPTTARGETINFO) { | |
595 | return mptctl_gettargetinfo(arg); | |
596 | } else if (cmd == MPTTEST) { | |
597 | return mptctl_readtest(arg); | |
598 | } else if (cmd == MPTEVENTQUERY) { | |
599 | return mptctl_eventquery(arg); | |
600 | } else if (cmd == MPTEVENTENABLE) { | |
601 | return mptctl_eventenable(arg); | |
602 | } else if (cmd == MPTEVENTREPORT) { | |
603 | return mptctl_eventreport(arg); | |
604 | } else if (cmd == MPTFWREPLACE) { | |
605 | return mptctl_replace_fw(arg); | |
606 | } | |
607 | ||
608 | /* All of these commands require an interrupt or | |
609 | * are unknown/illegal. | |
610 | */ | |
611 | if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0) | |
612 | return ret; | |
613 | ||
614 | dctlprintk((MYIOC_s_INFO_FMT ": mptctl_ioctl()\n", iocp->name)); | |
615 | ||
616 | if (cmd == MPTFWDOWNLOAD) | |
617 | ret = mptctl_fw_download(arg); | |
618 | else if (cmd == MPTCOMMAND) | |
619 | ret = mptctl_mpt_command(arg); | |
620 | else if (cmd == MPTHARDRESET) | |
621 | ret = mptctl_do_reset(arg); | |
622 | else if ((cmd & ~IOCSIZE_MASK) == (HP_GETHOSTINFO & ~IOCSIZE_MASK)) | |
623 | ret = mptctl_hp_hostinfo(arg, _IOC_SIZE(cmd)); | |
624 | else if (cmd == HP_GETTARGETINFO) | |
625 | ret = mptctl_hp_targetinfo(arg); | |
626 | else | |
627 | ret = -EINVAL; | |
628 | ||
eeb846ce | 629 | mutex_unlock(&iocp->ioctl->ioctl_mutex); |
1da177e4 LT |
630 | |
631 | return ret; | |
632 | } | |
633 | ||
634 | static long | |
635 | mptctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |
636 | { | |
637 | long ret; | |
638 | lock_kernel(); | |
639 | ret = __mptctl_ioctl(file, cmd, arg); | |
640 | unlock_kernel(); | |
641 | return ret; | |
642 | } | |
643 | ||
644 | static int mptctl_do_reset(unsigned long arg) | |
645 | { | |
646 | struct mpt_ioctl_diag_reset __user *urinfo = (void __user *) arg; | |
647 | struct mpt_ioctl_diag_reset krinfo; | |
648 | MPT_ADAPTER *iocp; | |
649 | ||
650 | dctlprintk((KERN_INFO "mptctl_do_reset called.\n")); | |
651 | ||
652 | if (copy_from_user(&krinfo, urinfo, sizeof(struct mpt_ioctl_diag_reset))) { | |
653 | printk(KERN_ERR "%s@%d::mptctl_do_reset - " | |
654 | "Unable to copy mpt_ioctl_diag_reset struct @ %p\n", | |
655 | __FILE__, __LINE__, urinfo); | |
656 | return -EFAULT; | |
657 | } | |
658 | ||
659 | if (mpt_verify_adapter(krinfo.hdr.iocnum, &iocp) < 0) { | |
660 | dctlprintk((KERN_ERR "%s@%d::mptctl_do_reset - ioc%d not found!\n", | |
661 | __FILE__, __LINE__, krinfo.hdr.iocnum)); | |
662 | return -ENODEV; /* (-6) No such device or address */ | |
663 | } | |
664 | ||
665 | if (mpt_HardResetHandler(iocp, CAN_SLEEP) != 0) { | |
666 | printk (KERN_ERR "%s@%d::mptctl_do_reset - reset failed.\n", | |
667 | __FILE__, __LINE__); | |
668 | return -1; | |
669 | } | |
670 | ||
671 | return 0; | |
672 | } | |
673 | ||
674 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
675 | /* | |
676 | * MPT FW download function. Cast the arg into the mpt_fw_xfer structure. | |
677 | * This structure contains: iocnum, firmware length (bytes), | |
678 | * pointer to user space memory where the fw image is stored. | |
679 | * | |
680 | * Outputs: None. | |
681 | * Return: 0 if successful | |
682 | * -EFAULT if data unavailable | |
683 | * -ENXIO if no such device | |
684 | * -EAGAIN if resource problem | |
685 | * -ENOMEM if no memory for SGE | |
686 | * -EMLINK if too many chain buffers required | |
687 | * -EBADRQC if adapter does not support FW download | |
688 | * -EBUSY if adapter is busy | |
689 | * -ENOMSG if FW upload returned bad status | |
690 | */ | |
691 | static int | |
692 | mptctl_fw_download(unsigned long arg) | |
693 | { | |
694 | struct mpt_fw_xfer __user *ufwdl = (void __user *) arg; | |
695 | struct mpt_fw_xfer kfwdl; | |
696 | ||
697 | dctlprintk((KERN_INFO "mptctl_fwdl called. mptctl_id = %xh\n", mptctl_id)); //tc | |
698 | if (copy_from_user(&kfwdl, ufwdl, sizeof(struct mpt_fw_xfer))) { | |
699 | printk(KERN_ERR "%s@%d::_ioctl_fwdl - " | |
700 | "Unable to copy mpt_fw_xfer struct @ %p\n", | |
701 | __FILE__, __LINE__, ufwdl); | |
702 | return -EFAULT; | |
703 | } | |
704 | ||
705 | return mptctl_do_fw_download(kfwdl.iocnum, kfwdl.bufp, kfwdl.fwlen); | |
706 | } | |
707 | ||
708 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
709 | /* | |
710 | * FW Download engine. | |
711 | * Outputs: None. | |
712 | * Return: 0 if successful | |
713 | * -EFAULT if data unavailable | |
714 | * -ENXIO if no such device | |
715 | * -EAGAIN if resource problem | |
716 | * -ENOMEM if no memory for SGE | |
717 | * -EMLINK if too many chain buffers required | |
718 | * -EBADRQC if adapter does not support FW download | |
719 | * -EBUSY if adapter is busy | |
720 | * -ENOMSG if FW upload returned bad status | |
721 | */ | |
722 | static int | |
723 | mptctl_do_fw_download(int ioc, char __user *ufwbuf, size_t fwlen) | |
724 | { | |
725 | FWDownload_t *dlmsg; | |
726 | MPT_FRAME_HDR *mf; | |
727 | MPT_ADAPTER *iocp; | |
728 | FWDownloadTCSGE_t *ptsge; | |
729 | MptSge_t *sgl, *sgIn; | |
730 | char *sgOut; | |
731 | struct buflist *buflist; | |
732 | struct buflist *bl; | |
733 | dma_addr_t sgl_dma; | |
734 | int ret; | |
735 | int numfrags = 0; | |
736 | int maxfrags; | |
737 | int n = 0; | |
738 | u32 sgdir; | |
739 | u32 nib; | |
740 | int fw_bytes_copied = 0; | |
741 | int i; | |
742 | int sge_offset = 0; | |
743 | u16 iocstat; | |
744 | pFWDownloadReply_t ReplyMsg = NULL; | |
745 | ||
946cbf04 | 746 | dctlprintk(("mptctl_do_fwdl called. mptctl_id = %xh.\n", mptctl_id)); |
1da177e4 | 747 | |
946cbf04 ME |
748 | dctlprintk(("DbG: kfwdl.bufp = %p\n", ufwbuf)); |
749 | dctlprintk(("DbG: kfwdl.fwlen = %d\n", (int)fwlen)); | |
750 | dctlprintk(("DbG: kfwdl.ioc = %04xh\n", ioc)); | |
1da177e4 | 751 | |
946cbf04 ME |
752 | if (mpt_verify_adapter(ioc, &iocp) < 0) { |
753 | dctlprintk(("ioctl_fwdl - ioc%d not found!\n", | |
754 | ioc)); | |
1da177e4 | 755 | return -ENODEV; /* (-6) No such device or address */ |
946cbf04 | 756 | } else { |
1da177e4 | 757 | |
946cbf04 ME |
758 | /* Valid device. Get a message frame and construct the FW download message. |
759 | */ | |
760 | if ((mf = mpt_get_msg_frame(mptctl_id, iocp)) == NULL) | |
761 | return -EAGAIN; | |
762 | } | |
1da177e4 LT |
763 | dlmsg = (FWDownload_t*) mf; |
764 | ptsge = (FWDownloadTCSGE_t *) &dlmsg->SGL; | |
765 | sgOut = (char *) (ptsge + 1); | |
766 | ||
767 | /* | |
768 | * Construct f/w download request | |
769 | */ | |
770 | dlmsg->ImageType = MPI_FW_DOWNLOAD_ITYPE_FW; | |
771 | dlmsg->Reserved = 0; | |
772 | dlmsg->ChainOffset = 0; | |
773 | dlmsg->Function = MPI_FUNCTION_FW_DOWNLOAD; | |
774 | dlmsg->Reserved1[0] = dlmsg->Reserved1[1] = dlmsg->Reserved1[2] = 0; | |
946cbf04 ME |
775 | if (iocp->facts.MsgVersion >= MPI_VERSION_01_05) |
776 | dlmsg->MsgFlags = MPI_FW_DOWNLOAD_MSGFLGS_LAST_SEGMENT; | |
777 | else | |
778 | dlmsg->MsgFlags = 0; | |
779 | ||
1da177e4 LT |
780 | |
781 | /* Set up the Transaction SGE. | |
782 | */ | |
783 | ptsge->Reserved = 0; | |
784 | ptsge->ContextSize = 0; | |
785 | ptsge->DetailsLength = 12; | |
786 | ptsge->Flags = MPI_SGE_FLAGS_TRANSACTION_ELEMENT; | |
787 | ptsge->Reserved_0100_Checksum = 0; | |
788 | ptsge->ImageOffset = 0; | |
789 | ptsge->ImageSize = cpu_to_le32(fwlen); | |
790 | ||
791 | /* Add the SGL | |
792 | */ | |
793 | ||
794 | /* | |
795 | * Need to kmalloc area(s) for holding firmware image bytes. | |
796 | * But we need to do it piece meal, using a proper | |
797 | * scatter gather list (with 128kB MAX hunks). | |
798 | * | |
799 | * A practical limit here might be # of sg hunks that fit into | |
800 | * a single IOC request frame; 12 or 8 (see below), so: | |
801 | * For FC9xx: 12 x 128kB == 1.5 mB (max) | |
802 | * For C1030: 8 x 128kB == 1 mB (max) | |
803 | * We could support chaining, but things get ugly(ier:) | |
804 | * | |
805 | * Set the sge_offset to the start of the sgl (bytes). | |
806 | */ | |
807 | sgdir = 0x04000000; /* IOC will READ from sys mem */ | |
808 | sge_offset = sizeof(MPIHeader_t) + sizeof(FWDownloadTCSGE_t); | |
809 | if ((sgl = kbuf_alloc_2_sgl(fwlen, sgdir, sge_offset, | |
810 | &numfrags, &buflist, &sgl_dma, iocp)) == NULL) | |
811 | return -ENOMEM; | |
812 | ||
813 | /* | |
814 | * We should only need SGL with 2 simple_32bit entries (up to 256 kB) | |
815 | * for FC9xx f/w image, but calculate max number of sge hunks | |
816 | * we can fit into a request frame, and limit ourselves to that. | |
817 | * (currently no chain support) | |
818 | * maxfrags = (Request Size - FWdownload Size ) / Size of 32 bit SGE | |
819 | * Request maxfrags | |
820 | * 128 12 | |
821 | * 96 8 | |
822 | * 64 4 | |
823 | */ | |
824 | maxfrags = (iocp->req_sz - sizeof(MPIHeader_t) - sizeof(FWDownloadTCSGE_t)) | |
825 | / (sizeof(dma_addr_t) + sizeof(u32)); | |
826 | if (numfrags > maxfrags) { | |
827 | ret = -EMLINK; | |
828 | goto fwdl_out; | |
829 | } | |
830 | ||
946cbf04 | 831 | dctlprintk(("DbG: sgl buffer = %p, sgfrags = %d\n", sgl, numfrags)); |
1da177e4 LT |
832 | |
833 | /* | |
834 | * Parse SG list, copying sgl itself, | |
835 | * plus f/w image hunks from user space as we go... | |
836 | */ | |
837 | ret = -EFAULT; | |
838 | sgIn = sgl; | |
839 | bl = buflist; | |
840 | for (i=0; i < numfrags; i++) { | |
841 | ||
842 | /* Get the SGE type: 0 - TCSGE, 3 - Chain, 1 - Simple SGE | |
843 | * Skip everything but Simple. If simple, copy from | |
844 | * user space into kernel space. | |
845 | * Note: we should not have anything but Simple as | |
846 | * Chain SGE are illegal. | |
847 | */ | |
848 | nib = (sgIn->FlagsLength & 0x30000000) >> 28; | |
849 | if (nib == 0 || nib == 3) { | |
850 | ; | |
851 | } else if (sgIn->Address) { | |
852 | mpt_add_sge(sgOut, sgIn->FlagsLength, sgIn->Address); | |
853 | n++; | |
854 | if (copy_from_user(bl->kptr, ufwbuf+fw_bytes_copied, bl->len)) { | |
855 | printk(KERN_ERR "%s@%d::_ioctl_fwdl - " | |
856 | "Unable to copy f/w buffer hunk#%d @ %p\n", | |
857 | __FILE__, __LINE__, n, ufwbuf); | |
858 | goto fwdl_out; | |
859 | } | |
860 | fw_bytes_copied += bl->len; | |
861 | } | |
862 | sgIn++; | |
863 | bl++; | |
864 | sgOut += (sizeof(dma_addr_t) + sizeof(u32)); | |
865 | } | |
866 | ||
867 | #ifdef MPT_DEBUG | |
868 | { | |
869 | u32 *m = (u32 *)mf; | |
870 | printk(KERN_INFO MYNAM ": F/W download request:\n" KERN_INFO " "); | |
871 | for (i=0; i < 7+numfrags*2; i++) | |
872 | printk(" %08x", le32_to_cpu(m[i])); | |
873 | printk("\n"); | |
874 | } | |
875 | #endif | |
876 | ||
877 | /* | |
878 | * Finally, perform firmware download. | |
879 | */ | |
946cbf04 | 880 | ReplyMsg = NULL; |
1da177e4 LT |
881 | mpt_put_msg_frame(mptctl_id, iocp, mf); |
882 | ||
883 | /* Now wait for the command to complete */ | |
86a7dcaa | 884 | ret = wait_event_timeout(mptctl_wait, |
1da177e4 LT |
885 | iocp->ioctl->wait_done == 1, |
886 | HZ*60); | |
887 | ||
888 | if(ret <=0 && (iocp->ioctl->wait_done != 1 )) { | |
889 | /* Now we need to reset the board */ | |
890 | mptctl_timeout_expired(iocp->ioctl); | |
891 | ret = -ENODATA; | |
892 | goto fwdl_out; | |
893 | } | |
894 | ||
895 | if (sgl) | |
896 | kfree_sgl(sgl, sgl_dma, buflist, iocp); | |
897 | ||
898 | ReplyMsg = (pFWDownloadReply_t)iocp->ioctl->ReplyFrame; | |
899 | iocstat = le16_to_cpu(ReplyMsg->IOCStatus) & MPI_IOCSTATUS_MASK; | |
900 | if (iocstat == MPI_IOCSTATUS_SUCCESS) { | |
901 | printk(KERN_INFO MYNAM ": F/W update successfully sent to %s!\n", iocp->name); | |
902 | return 0; | |
903 | } else if (iocstat == MPI_IOCSTATUS_INVALID_FUNCTION) { | |
904 | printk(KERN_WARNING MYNAM ": ?Hmmm... %s says it doesn't support F/W download!?!\n", | |
905 | iocp->name); | |
906 | printk(KERN_WARNING MYNAM ": (time to go bang on somebodies door)\n"); | |
907 | return -EBADRQC; | |
908 | } else if (iocstat == MPI_IOCSTATUS_BUSY) { | |
909 | printk(KERN_WARNING MYNAM ": Warning! %s says: IOC_BUSY!\n", iocp->name); | |
910 | printk(KERN_WARNING MYNAM ": (try again later?)\n"); | |
911 | return -EBUSY; | |
912 | } else { | |
913 | printk(KERN_WARNING MYNAM "::ioctl_fwdl() ERROR! %s returned [bad] status = %04xh\n", | |
914 | iocp->name, iocstat); | |
915 | printk(KERN_WARNING MYNAM ": (bad VooDoo)\n"); | |
916 | return -ENOMSG; | |
917 | } | |
918 | return 0; | |
919 | ||
920 | fwdl_out: | |
921 | kfree_sgl(sgl, sgl_dma, buflist, iocp); | |
922 | return ret; | |
923 | } | |
924 | ||
925 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
926 | /* | |
927 | * SGE Allocation routine | |
928 | * | |
929 | * Inputs: bytes - number of bytes to be transferred | |
930 | * sgdir - data direction | |
931 | * sge_offset - offset (in bytes) from the start of the request | |
932 | * frame to the first SGE | |
933 | * ioc - pointer to the mptadapter | |
934 | * Outputs: frags - number of scatter gather elements | |
935 | * blp - point to the buflist pointer | |
936 | * sglbuf_dma - pointer to the (dma) sgl | |
937 | * Returns: Null if failes | |
938 | * pointer to the (virtual) sgl if successful. | |
939 | */ | |
940 | static MptSge_t * | |
941 | kbuf_alloc_2_sgl(int bytes, u32 sgdir, int sge_offset, int *frags, | |
942 | struct buflist **blp, dma_addr_t *sglbuf_dma, MPT_ADAPTER *ioc) | |
943 | { | |
944 | MptSge_t *sglbuf = NULL; /* pointer to array of SGE */ | |
945 | /* and chain buffers */ | |
946 | struct buflist *buflist = NULL; /* kernel routine */ | |
947 | MptSge_t *sgl; | |
948 | int numfrags = 0; | |
949 | int fragcnt = 0; | |
950 | int alloc_sz = min(bytes,MAX_KMALLOC_SZ); // avoid kernel warning msg! | |
951 | int bytes_allocd = 0; | |
952 | int this_alloc; | |
953 | dma_addr_t pa; // phys addr | |
954 | int i, buflist_ent; | |
955 | int sg_spill = MAX_FRAGS_SPILL1; | |
956 | int dir; | |
957 | /* initialization */ | |
958 | *frags = 0; | |
959 | *blp = NULL; | |
960 | ||
961 | /* Allocate and initialize an array of kernel | |
962 | * structures for the SG elements. | |
963 | */ | |
964 | i = MAX_SGL_BYTES / 8; | |
965 | buflist = kmalloc(i, GFP_USER); | |
966 | if (buflist == NULL) | |
967 | return NULL; | |
968 | memset(buflist, 0, i); | |
969 | buflist_ent = 0; | |
970 | ||
971 | /* Allocate a single block of memory to store the sg elements and | |
972 | * the chain buffers. The calling routine is responsible for | |
973 | * copying the data in this array into the correct place in the | |
974 | * request and chain buffers. | |
975 | */ | |
976 | sglbuf = pci_alloc_consistent(ioc->pcidev, MAX_SGL_BYTES, sglbuf_dma); | |
977 | if (sglbuf == NULL) | |
978 | goto free_and_fail; | |
979 | ||
980 | if (sgdir & 0x04000000) | |
981 | dir = PCI_DMA_TODEVICE; | |
982 | else | |
983 | dir = PCI_DMA_FROMDEVICE; | |
984 | ||
985 | /* At start: | |
986 | * sgl = sglbuf = point to beginning of sg buffer | |
987 | * buflist_ent = 0 = first kernel structure | |
988 | * sg_spill = number of SGE that can be written before the first | |
989 | * chain element. | |
990 | * | |
991 | */ | |
992 | sgl = sglbuf; | |
993 | sg_spill = ((ioc->req_sz - sge_offset)/(sizeof(dma_addr_t) + sizeof(u32))) - 1; | |
994 | while (bytes_allocd < bytes) { | |
995 | this_alloc = min(alloc_sz, bytes-bytes_allocd); | |
996 | buflist[buflist_ent].len = this_alloc; | |
997 | buflist[buflist_ent].kptr = pci_alloc_consistent(ioc->pcidev, | |
998 | this_alloc, | |
999 | &pa); | |
1000 | if (buflist[buflist_ent].kptr == NULL) { | |
1001 | alloc_sz = alloc_sz / 2; | |
1002 | if (alloc_sz == 0) { | |
1003 | printk(KERN_WARNING MYNAM "-SG: No can do - " | |
1004 | "not enough memory! :-(\n"); | |
1005 | printk(KERN_WARNING MYNAM "-SG: (freeing %d frags)\n", | |
1006 | numfrags); | |
1007 | goto free_and_fail; | |
1008 | } | |
1009 | continue; | |
1010 | } else { | |
1011 | dma_addr_t dma_addr; | |
1012 | ||
1013 | bytes_allocd += this_alloc; | |
1014 | sgl->FlagsLength = (0x10000000|MPT_SGE_FLAGS_ADDRESSING|sgdir|this_alloc); | |
1015 | dma_addr = pci_map_single(ioc->pcidev, buflist[buflist_ent].kptr, this_alloc, dir); | |
1016 | sgl->Address = dma_addr; | |
1017 | ||
1018 | fragcnt++; | |
1019 | numfrags++; | |
1020 | sgl++; | |
1021 | buflist_ent++; | |
1022 | } | |
1023 | ||
1024 | if (bytes_allocd >= bytes) | |
1025 | break; | |
1026 | ||
1027 | /* Need to chain? */ | |
1028 | if (fragcnt == sg_spill) { | |
1029 | printk(KERN_WARNING MYNAM "-SG: No can do - " "Chain required! :-(\n"); | |
1030 | printk(KERN_WARNING MYNAM "(freeing %d frags)\n", numfrags); | |
1031 | goto free_and_fail; | |
1032 | } | |
1033 | ||
1034 | /* overflow check... */ | |
1035 | if (numfrags*8 > MAX_SGL_BYTES){ | |
1036 | /* GRRRRR... */ | |
1037 | printk(KERN_WARNING MYNAM "-SG: No can do - " | |
1038 | "too many SG frags! :-(\n"); | |
1039 | printk(KERN_WARNING MYNAM "-SG: (freeing %d frags)\n", | |
1040 | numfrags); | |
1041 | goto free_and_fail; | |
1042 | } | |
1043 | } | |
1044 | ||
1045 | /* Last sge fixup: set LE+eol+eob bits */ | |
1046 | sgl[-1].FlagsLength |= 0xC1000000; | |
1047 | ||
1048 | *frags = numfrags; | |
1049 | *blp = buflist; | |
1050 | ||
1051 | dctlprintk((KERN_INFO MYNAM "-SG: kbuf_alloc_2_sgl() - " | |
1052 | "%d SG frags generated!\n", | |
1053 | numfrags)); | |
1054 | ||
1055 | dctlprintk((KERN_INFO MYNAM "-SG: kbuf_alloc_2_sgl() - " | |
1056 | "last (big) alloc_sz=%d\n", | |
1057 | alloc_sz)); | |
1058 | ||
1059 | return sglbuf; | |
1060 | ||
1061 | free_and_fail: | |
1062 | if (sglbuf != NULL) { | |
1063 | int i; | |
1064 | ||
1065 | for (i = 0; i < numfrags; i++) { | |
1066 | dma_addr_t dma_addr; | |
1067 | u8 *kptr; | |
1068 | int len; | |
1069 | ||
1070 | if ((sglbuf[i].FlagsLength >> 24) == 0x30) | |
1071 | continue; | |
1072 | ||
1073 | dma_addr = sglbuf[i].Address; | |
1074 | kptr = buflist[i].kptr; | |
1075 | len = buflist[i].len; | |
1076 | ||
1077 | pci_free_consistent(ioc->pcidev, len, kptr, dma_addr); | |
1078 | } | |
1079 | pci_free_consistent(ioc->pcidev, MAX_SGL_BYTES, sglbuf, *sglbuf_dma); | |
1080 | } | |
1081 | kfree(buflist); | |
1082 | return NULL; | |
1083 | } | |
1084 | ||
1085 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1086 | /* | |
1087 | * Routine to free the SGL elements. | |
1088 | */ | |
1089 | static void | |
1090 | kfree_sgl(MptSge_t *sgl, dma_addr_t sgl_dma, struct buflist *buflist, MPT_ADAPTER *ioc) | |
1091 | { | |
1092 | MptSge_t *sg = sgl; | |
1093 | struct buflist *bl = buflist; | |
1094 | u32 nib; | |
1095 | int dir; | |
1096 | int n = 0; | |
1097 | ||
1098 | if (sg->FlagsLength & 0x04000000) | |
1099 | dir = PCI_DMA_TODEVICE; | |
1100 | else | |
1101 | dir = PCI_DMA_FROMDEVICE; | |
1102 | ||
1103 | nib = (sg->FlagsLength & 0xF0000000) >> 28; | |
1104 | while (! (nib & 0x4)) { /* eob */ | |
1105 | /* skip ignore/chain. */ | |
1106 | if (nib == 0 || nib == 3) { | |
1107 | ; | |
1108 | } else if (sg->Address) { | |
1109 | dma_addr_t dma_addr; | |
1110 | void *kptr; | |
1111 | int len; | |
1112 | ||
1113 | dma_addr = sg->Address; | |
1114 | kptr = bl->kptr; | |
1115 | len = bl->len; | |
1116 | pci_unmap_single(ioc->pcidev, dma_addr, len, dir); | |
1117 | pci_free_consistent(ioc->pcidev, len, kptr, dma_addr); | |
1118 | n++; | |
1119 | } | |
1120 | sg++; | |
1121 | bl++; | |
1122 | nib = (le32_to_cpu(sg->FlagsLength) & 0xF0000000) >> 28; | |
1123 | } | |
1124 | ||
1125 | /* we're at eob! */ | |
1126 | if (sg->Address) { | |
1127 | dma_addr_t dma_addr; | |
1128 | void *kptr; | |
1129 | int len; | |
1130 | ||
1131 | dma_addr = sg->Address; | |
1132 | kptr = bl->kptr; | |
1133 | len = bl->len; | |
1134 | pci_unmap_single(ioc->pcidev, dma_addr, len, dir); | |
1135 | pci_free_consistent(ioc->pcidev, len, kptr, dma_addr); | |
1136 | n++; | |
1137 | } | |
1138 | ||
1139 | pci_free_consistent(ioc->pcidev, MAX_SGL_BYTES, sgl, sgl_dma); | |
1140 | kfree(buflist); | |
1141 | dctlprintk((KERN_INFO MYNAM "-SG: Free'd 1 SGL buf + %d kbufs!\n", n)); | |
1142 | } | |
1143 | ||
1144 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1145 | /* | |
1146 | * mptctl_getiocinfo - Query the host adapter for IOC information. | |
1147 | * @arg: User space argument | |
1148 | * | |
1149 | * Outputs: None. | |
1150 | * Return: 0 if successful | |
1151 | * -EFAULT if data unavailable | |
1152 | * -ENODEV if no such device/adapter | |
1153 | */ | |
1154 | static int | |
1155 | mptctl_getiocinfo (unsigned long arg, unsigned int data_size) | |
1156 | { | |
1157 | struct mpt_ioctl_iocinfo __user *uarg = (void __user *) arg; | |
1158 | struct mpt_ioctl_iocinfo *karg; | |
1159 | MPT_ADAPTER *ioc; | |
1160 | struct pci_dev *pdev; | |
1161 | struct Scsi_Host *sh; | |
1162 | MPT_SCSI_HOST *hd; | |
1163 | int iocnum; | |
1164 | int numDevices = 0; | |
1165 | unsigned int max_id; | |
1166 | int ii; | |
b6fe4ddc | 1167 | unsigned int port; |
1da177e4 LT |
1168 | int cim_rev; |
1169 | u8 revision; | |
1170 | ||
1171 | dctlprintk((": mptctl_getiocinfo called.\n")); | |
1172 | /* Add of PCI INFO results in unaligned access for | |
1173 | * IA64 and Sparc. Reset long to int. Return no PCI | |
1174 | * data for obsolete format. | |
1175 | */ | |
1176 | if (data_size == sizeof(struct mpt_ioctl_iocinfo_rev0)) | |
1177 | cim_rev = 0; | |
1178 | else if (data_size == sizeof(struct mpt_ioctl_iocinfo_rev1)) | |
1179 | cim_rev = 1; | |
1180 | else if (data_size == sizeof(struct mpt_ioctl_iocinfo)) | |
1181 | cim_rev = 2; | |
1182 | else if (data_size == (sizeof(struct mpt_ioctl_iocinfo_rev0)+12)) | |
1183 | cim_rev = 0; /* obsolete */ | |
1184 | else | |
1185 | return -EFAULT; | |
1186 | ||
1187 | karg = kmalloc(data_size, GFP_KERNEL); | |
1188 | if (karg == NULL) { | |
1189 | printk(KERN_ERR "%s::mpt_ioctl_iocinfo() @%d - no memory available!\n", | |
1190 | __FILE__, __LINE__); | |
1191 | return -ENOMEM; | |
1192 | } | |
1193 | ||
1194 | if (copy_from_user(karg, uarg, data_size)) { | |
1195 | printk(KERN_ERR "%s@%d::mptctl_getiocinfo - " | |
1196 | "Unable to read in mpt_ioctl_iocinfo struct @ %p\n", | |
1197 | __FILE__, __LINE__, uarg); | |
1198 | kfree(karg); | |
1199 | return -EFAULT; | |
1200 | } | |
1201 | ||
1202 | if (((iocnum = mpt_verify_adapter(karg->hdr.iocnum, &ioc)) < 0) || | |
1203 | (ioc == NULL)) { | |
1204 | dctlprintk((KERN_ERR "%s::mptctl_getiocinfo() @%d - ioc%d not found!\n", | |
1205 | __FILE__, __LINE__, iocnum)); | |
1206 | kfree(karg); | |
1207 | return -ENODEV; | |
1208 | } | |
1209 | ||
b6fe4ddc | 1210 | /* Verify the data transfer size is correct. */ |
1da177e4 LT |
1211 | if (karg->hdr.maxDataSize != data_size) { |
1212 | printk(KERN_ERR "%s@%d::mptctl_getiocinfo - " | |
1213 | "Structure size mismatch. Command not completed.\n", | |
1214 | __FILE__, __LINE__); | |
1215 | kfree(karg); | |
1216 | return -EFAULT; | |
1217 | } | |
1218 | ||
1219 | /* Fill in the data and return the structure to the calling | |
1220 | * program | |
1221 | */ | |
9cc1cfbc ME |
1222 | if (ioc->bus_type == SAS) |
1223 | karg->adapterType = MPT_IOCTL_INTERFACE_SAS; | |
1224 | else if (ioc->bus_type == FC) | |
1da177e4 LT |
1225 | karg->adapterType = MPT_IOCTL_INTERFACE_FC; |
1226 | else | |
1227 | karg->adapterType = MPT_IOCTL_INTERFACE_SCSI; | |
1228 | ||
b6fe4ddc MED |
1229 | if (karg->hdr.port > 1) |
1230 | return -EINVAL; | |
1da177e4 LT |
1231 | port = karg->hdr.port; |
1232 | ||
1233 | karg->port = port; | |
1234 | pdev = (struct pci_dev *) ioc->pcidev; | |
1235 | ||
1236 | karg->pciId = pdev->device; | |
1237 | pci_read_config_byte(pdev, PCI_CLASS_REVISION, &revision); | |
1238 | karg->hwRev = revision; | |
1239 | karg->subSystemDevice = pdev->subsystem_device; | |
1240 | karg->subSystemVendor = pdev->subsystem_vendor; | |
1241 | ||
1242 | if (cim_rev == 1) { | |
1243 | /* Get the PCI bus, device, and function numbers for the IOC | |
1244 | */ | |
1245 | karg->pciInfo.u.bits.busNumber = pdev->bus->number; | |
1246 | karg->pciInfo.u.bits.deviceNumber = PCI_SLOT( pdev->devfn ); | |
1247 | karg->pciInfo.u.bits.functionNumber = PCI_FUNC( pdev->devfn ); | |
1248 | } else if (cim_rev == 2) { | |
86a7dcaa | 1249 | /* Get the PCI bus, device, function and segment ID numbers |
1da177e4 LT |
1250 | for the IOC */ |
1251 | karg->pciInfo.u.bits.busNumber = pdev->bus->number; | |
1252 | karg->pciInfo.u.bits.deviceNumber = PCI_SLOT( pdev->devfn ); | |
1253 | karg->pciInfo.u.bits.functionNumber = PCI_FUNC( pdev->devfn ); | |
1da177e4 LT |
1254 | karg->pciInfo.segmentID = pci_domain_nr(pdev->bus); |
1255 | } | |
1256 | ||
1257 | /* Get number of devices | |
1258 | */ | |
1259 | if ((sh = ioc->sh) != NULL) { | |
1260 | /* sh->max_id = maximum target ID + 1 | |
1261 | */ | |
1262 | max_id = sh->max_id - 1; | |
1263 | hd = (MPT_SCSI_HOST *) sh->hostdata; | |
1264 | ||
1265 | /* Check all of the target structures and | |
1266 | * keep a counter. | |
1267 | */ | |
1268 | if (hd && hd->Targets) { | |
1269 | for (ii = 0; ii <= max_id; ii++) { | |
1270 | if (hd->Targets[ii]) | |
1271 | numDevices++; | |
1272 | } | |
1273 | } | |
1274 | } | |
1275 | karg->numDevices = numDevices; | |
1276 | ||
1277 | /* Set the BIOS and FW Version | |
1278 | */ | |
1279 | karg->FWVersion = ioc->facts.FWVersion.Word; | |
1280 | karg->BIOSVersion = ioc->biosVersion; | |
1281 | ||
1282 | /* Set the Version Strings. | |
1283 | */ | |
1284 | strncpy (karg->driverVersion, MPT_LINUX_PACKAGE_NAME, MPT_IOCTL_VERSION_LENGTH); | |
1285 | karg->driverVersion[MPT_IOCTL_VERSION_LENGTH-1]='\0'; | |
1286 | ||
1287 | karg->busChangeEvent = 0; | |
1288 | karg->hostId = ioc->pfacts[port].PortSCSIID; | |
1289 | karg->rsvd[0] = karg->rsvd[1] = 0; | |
1290 | ||
1291 | /* Copy the data from kernel memory to user memory | |
1292 | */ | |
1293 | if (copy_to_user((char __user *)arg, karg, data_size)) { | |
1294 | printk(KERN_ERR "%s@%d::mptctl_getiocinfo - " | |
1295 | "Unable to write out mpt_ioctl_iocinfo struct @ %p\n", | |
1296 | __FILE__, __LINE__, uarg); | |
1297 | kfree(karg); | |
1298 | return -EFAULT; | |
1299 | } | |
1300 | ||
1301 | kfree(karg); | |
1302 | return 0; | |
1303 | } | |
1304 | ||
1305 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1306 | /* | |
1307 | * mptctl_gettargetinfo - Query the host adapter for target information. | |
1308 | * @arg: User space argument | |
1309 | * | |
1310 | * Outputs: None. | |
1311 | * Return: 0 if successful | |
1312 | * -EFAULT if data unavailable | |
1313 | * -ENODEV if no such device/adapter | |
1314 | */ | |
1315 | static int | |
1316 | mptctl_gettargetinfo (unsigned long arg) | |
1317 | { | |
1318 | struct mpt_ioctl_targetinfo __user *uarg = (void __user *) arg; | |
1319 | struct mpt_ioctl_targetinfo karg; | |
1320 | MPT_ADAPTER *ioc; | |
1321 | struct Scsi_Host *sh; | |
1322 | MPT_SCSI_HOST *hd; | |
c7c82987 | 1323 | VirtTarget *vdev; |
1da177e4 LT |
1324 | char *pmem; |
1325 | int *pdata; | |
1326 | IOCPage2_t *pIoc2; | |
1327 | IOCPage3_t *pIoc3; | |
1328 | int iocnum; | |
1329 | int numDevices = 0; | |
1330 | unsigned int max_id; | |
1331 | int id, jj, indexed_lun, lun_index; | |
1332 | u32 lun; | |
1333 | int maxWordsLeft; | |
1334 | int numBytes; | |
1335 | u8 port, devType, bus_id; | |
1336 | ||
1337 | dctlprintk(("mptctl_gettargetinfo called.\n")); | |
1338 | if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_targetinfo))) { | |
1339 | printk(KERN_ERR "%s@%d::mptctl_gettargetinfo - " | |
1340 | "Unable to read in mpt_ioctl_targetinfo struct @ %p\n", | |
1341 | __FILE__, __LINE__, uarg); | |
1342 | return -EFAULT; | |
1343 | } | |
1344 | ||
1345 | if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || | |
1346 | (ioc == NULL)) { | |
1347 | dctlprintk((KERN_ERR "%s::mptctl_gettargetinfo() @%d - ioc%d not found!\n", | |
1348 | __FILE__, __LINE__, iocnum)); | |
1349 | return -ENODEV; | |
1350 | } | |
1351 | ||
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) { | |
1361 | printk(KERN_ERR "%s::mptctl_gettargetinfo() @%d - no memory available!\n", | |
1362 | __FILE__, __LINE__); | |
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 | */ | |
1380 | pmem = kmalloc(numBytes, GFP_KERNEL); | |
1381 | if (pmem == NULL) { | |
1382 | printk(KERN_ERR "%s::mptctl_gettargetinfo() @%d - no memory available!\n", | |
1383 | __FILE__, __LINE__); | |
1384 | return -ENOMEM; | |
1385 | } | |
1386 | memset(pmem, 0, numBytes); | |
1387 | pdata = (int *) pmem; | |
1388 | ||
1389 | /* Get number of devices | |
1390 | */ | |
1391 | if ((sh = ioc->sh) != NULL) { | |
1392 | ||
1393 | max_id = sh->max_id - 1; | |
1394 | hd = (MPT_SCSI_HOST *) sh->hostdata; | |
1395 | ||
1396 | /* Check all of the target structures. | |
1397 | * Save the Id and increment the counter, | |
1398 | * if ptr non-null. | |
1399 | * sh->max_id = maximum target ID + 1 | |
1400 | */ | |
1401 | if (hd && hd->Targets) { | |
1402 | mpt_findImVolumes(ioc); | |
466544d8 | 1403 | pIoc2 = ioc->raid_data.pIocPg2; |
1da177e4 LT |
1404 | for ( id = 0; id <= max_id; ) { |
1405 | if ( pIoc2 && pIoc2->NumActiveVolumes ) { | |
1406 | if ( id == pIoc2->RaidVolume[0].VolumeID ) { | |
1407 | if (maxWordsLeft <= 0) { | |
1408 | printk(KERN_ERR "mptctl_gettargetinfo - " | |
1409 | "buffer is full but volume is available on ioc %d\n, numDevices=%d", iocnum, numDevices); | |
1410 | goto data_space_full; | |
1411 | } | |
1412 | if ( ( pIoc2->RaidVolume[0].Flags & MPI_IOCPAGE2_FLAG_VOLUME_INACTIVE ) == 0 ) | |
1413 | devType = 0x80; | |
1414 | else | |
1415 | devType = 0xC0; | |
1416 | bus_id = pIoc2->RaidVolume[0].VolumeBus; | |
1417 | numDevices++; | |
1418 | *pdata = ( (devType << 24) | (bus_id << 8) | id ); | |
1419 | dctlprintk((KERN_ERR "mptctl_gettargetinfo - " | |
1420 | "volume ioc=%d target=%x numDevices=%d pdata=%p\n", iocnum, *pdata, numDevices, pdata)); | |
1421 | pdata++; | |
1422 | --maxWordsLeft; | |
1423 | goto next_id; | |
1424 | } else { | |
466544d8 | 1425 | pIoc3 = ioc->raid_data.pIocPg3; |
1da177e4 LT |
1426 | for ( jj = 0; jj < pIoc3->NumPhysDisks; jj++ ) { |
1427 | if ( pIoc3->PhysDisk[jj].PhysDiskID == id ) | |
1428 | goto next_id; | |
1429 | } | |
1430 | } | |
1431 | } | |
1432 | if ( (vdev = hd->Targets[id]) ) { | |
1433 | for (jj = 0; jj <= MPT_LAST_LUN; jj++) { | |
1434 | lun_index = (jj >> 5); | |
1435 | indexed_lun = (jj % 32); | |
1436 | lun = (1 << indexed_lun); | |
1437 | if (vdev->luns[lun_index] & lun) { | |
1438 | if (maxWordsLeft <= 0) { | |
1439 | printk(KERN_ERR "mptctl_gettargetinfo - " | |
1440 | "buffer is full but more targets are available on ioc %d numDevices=%d\n", iocnum, numDevices); | |
1441 | goto data_space_full; | |
1442 | } | |
1443 | bus_id = vdev->bus_id; | |
1444 | numDevices++; | |
1445 | *pdata = ( (jj << 16) | (bus_id << 8) | id ); | |
1446 | dctlprintk((KERN_ERR "mptctl_gettargetinfo - " | |
1447 | "target ioc=%d target=%x numDevices=%d pdata=%p\n", iocnum, *pdata, numDevices, pdata)); | |
1448 | pdata++; | |
1449 | --maxWordsLeft; | |
1450 | } | |
1451 | } | |
1452 | } | |
1453 | next_id: | |
1454 | id++; | |
1455 | } | |
1456 | } | |
1457 | } | |
1458 | data_space_full: | |
1459 | karg.numDevices = numDevices; | |
1460 | ||
1461 | /* Copy part of the data from kernel memory to user memory | |
1462 | */ | |
1463 | if (copy_to_user((char __user *)arg, &karg, | |
1464 | sizeof(struct mpt_ioctl_targetinfo))) { | |
1465 | printk(KERN_ERR "%s@%d::mptctl_gettargetinfo - " | |
1466 | "Unable to write out mpt_ioctl_targetinfo struct @ %p\n", | |
1467 | __FILE__, __LINE__, uarg); | |
1468 | kfree(pmem); | |
1469 | return -EFAULT; | |
1470 | } | |
1471 | ||
1472 | /* Copy the remaining data from kernel memory to user memory | |
1473 | */ | |
1474 | if (copy_to_user(uarg->targetInfo, pmem, numBytes)) { | |
1475 | printk(KERN_ERR "%s@%d::mptctl_gettargetinfo - " | |
1476 | "Unable to write out mpt_ioctl_targetinfo struct @ %p\n", | |
1477 | __FILE__, __LINE__, pdata); | |
1478 | kfree(pmem); | |
1479 | return -EFAULT; | |
1480 | } | |
1481 | ||
1482 | kfree(pmem); | |
1483 | ||
1484 | return 0; | |
1485 | } | |
1486 | ||
1487 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1488 | /* MPT IOCTL Test function. | |
1489 | * | |
1490 | * Outputs: None. | |
1491 | * Return: 0 if successful | |
1492 | * -EFAULT if data unavailable | |
1493 | * -ENODEV if no such device/adapter | |
1494 | */ | |
1495 | static int | |
1496 | mptctl_readtest (unsigned long arg) | |
1497 | { | |
1498 | struct mpt_ioctl_test __user *uarg = (void __user *) arg; | |
1499 | struct mpt_ioctl_test karg; | |
1500 | MPT_ADAPTER *ioc; | |
1501 | int iocnum; | |
1502 | ||
1503 | dctlprintk(("mptctl_readtest called.\n")); | |
1504 | if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_test))) { | |
1505 | printk(KERN_ERR "%s@%d::mptctl_readtest - " | |
1506 | "Unable to read in mpt_ioctl_test struct @ %p\n", | |
1507 | __FILE__, __LINE__, uarg); | |
1508 | return -EFAULT; | |
1509 | } | |
1510 | ||
1511 | if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || | |
1512 | (ioc == NULL)) { | |
1513 | dctlprintk((KERN_ERR "%s::mptctl_readtest() @%d - ioc%d not found!\n", | |
1514 | __FILE__, __LINE__, iocnum)); | |
1515 | return -ENODEV; | |
1516 | } | |
1517 | ||
1518 | /* Fill in the data and return the structure to the calling | |
1519 | * program | |
1520 | */ | |
1521 | ||
1522 | #ifdef MFCNT | |
1523 | karg.chip_type = ioc->mfcnt; | |
1524 | #else | |
1525 | karg.chip_type = ioc->pcidev->device; | |
1526 | #endif | |
1527 | strncpy (karg.name, ioc->name, MPT_MAX_NAME); | |
1528 | karg.name[MPT_MAX_NAME-1]='\0'; | |
1529 | strncpy (karg.product, ioc->prod_name, MPT_PRODUCT_LENGTH); | |
1530 | karg.product[MPT_PRODUCT_LENGTH-1]='\0'; | |
1531 | ||
1532 | /* Copy the data from kernel memory to user memory | |
1533 | */ | |
1534 | if (copy_to_user((char __user *)arg, &karg, sizeof(struct mpt_ioctl_test))) { | |
1535 | printk(KERN_ERR "%s@%d::mptctl_readtest - " | |
1536 | "Unable to write out mpt_ioctl_test struct @ %p\n", | |
1537 | __FILE__, __LINE__, uarg); | |
1538 | return -EFAULT; | |
1539 | } | |
1540 | ||
1541 | return 0; | |
1542 | } | |
1543 | ||
1544 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1545 | /* | |
1546 | * mptctl_eventquery - Query the host adapter for the event types | |
1547 | * that are being logged. | |
1548 | * @arg: User space argument | |
1549 | * | |
1550 | * Outputs: None. | |
1551 | * Return: 0 if successful | |
1552 | * -EFAULT if data unavailable | |
1553 | * -ENODEV if no such device/adapter | |
1554 | */ | |
1555 | static int | |
1556 | mptctl_eventquery (unsigned long arg) | |
1557 | { | |
1558 | struct mpt_ioctl_eventquery __user *uarg = (void __user *) arg; | |
1559 | struct mpt_ioctl_eventquery karg; | |
1560 | MPT_ADAPTER *ioc; | |
1561 | int iocnum; | |
1562 | ||
1563 | dctlprintk(("mptctl_eventquery called.\n")); | |
1564 | if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventquery))) { | |
1565 | printk(KERN_ERR "%s@%d::mptctl_eventquery - " | |
1566 | "Unable to read in mpt_ioctl_eventquery struct @ %p\n", | |
1567 | __FILE__, __LINE__, uarg); | |
1568 | return -EFAULT; | |
1569 | } | |
1570 | ||
1571 | if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || | |
1572 | (ioc == NULL)) { | |
1573 | dctlprintk((KERN_ERR "%s::mptctl_eventquery() @%d - ioc%d not found!\n", | |
1574 | __FILE__, __LINE__, iocnum)); | |
1575 | return -ENODEV; | |
1576 | } | |
1577 | ||
5b5ef4f6 | 1578 | karg.eventEntries = MPTCTL_EVENT_LOG_SIZE; |
1da177e4 LT |
1579 | karg.eventTypes = ioc->eventTypes; |
1580 | ||
1581 | /* Copy the data from kernel memory to user memory | |
1582 | */ | |
1583 | if (copy_to_user((char __user *)arg, &karg, sizeof(struct mpt_ioctl_eventquery))) { | |
1584 | printk(KERN_ERR "%s@%d::mptctl_eventquery - " | |
1585 | "Unable to write out mpt_ioctl_eventquery struct @ %p\n", | |
1586 | __FILE__, __LINE__, uarg); | |
1587 | return -EFAULT; | |
1588 | } | |
1589 | return 0; | |
1590 | } | |
1591 | ||
1592 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1593 | static int | |
1594 | mptctl_eventenable (unsigned long arg) | |
1595 | { | |
1596 | struct mpt_ioctl_eventenable __user *uarg = (void __user *) arg; | |
1597 | struct mpt_ioctl_eventenable karg; | |
1598 | MPT_ADAPTER *ioc; | |
1599 | int iocnum; | |
1600 | ||
1601 | dctlprintk(("mptctl_eventenable called.\n")); | |
1602 | if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventenable))) { | |
1603 | printk(KERN_ERR "%s@%d::mptctl_eventenable - " | |
1604 | "Unable to read in mpt_ioctl_eventenable struct @ %p\n", | |
1605 | __FILE__, __LINE__, uarg); | |
1606 | return -EFAULT; | |
1607 | } | |
1608 | ||
1609 | if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || | |
1610 | (ioc == NULL)) { | |
1611 | dctlprintk((KERN_ERR "%s::mptctl_eventenable() @%d - ioc%d not found!\n", | |
1612 | __FILE__, __LINE__, iocnum)); | |
1613 | return -ENODEV; | |
1614 | } | |
1615 | ||
1616 | if (ioc->events == NULL) { | |
1617 | /* Have not yet allocated memory - do so now. | |
1618 | */ | |
1619 | int sz = MPTCTL_EVENT_LOG_SIZE * sizeof(MPT_IOCTL_EVENTS); | |
1620 | ioc->events = kmalloc(sz, GFP_KERNEL); | |
1621 | if (ioc->events == NULL) { | |
1622 | printk(KERN_ERR MYNAM ": ERROR - Insufficient memory to add adapter!\n"); | |
1623 | return -ENOMEM; | |
1624 | } | |
1625 | memset(ioc->events, 0, sz); | |
1626 | ioc->alloc_total += sz; | |
1627 | ||
1da177e4 LT |
1628 | ioc->eventContext = 0; |
1629 | } | |
1630 | ||
1631 | /* Update the IOC event logging flag. | |
1632 | */ | |
1633 | ioc->eventTypes = karg.eventTypes; | |
1634 | ||
1635 | return 0; | |
1636 | } | |
1637 | ||
1638 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1639 | static int | |
1640 | mptctl_eventreport (unsigned long arg) | |
1641 | { | |
1642 | struct mpt_ioctl_eventreport __user *uarg = (void __user *) arg; | |
1643 | struct mpt_ioctl_eventreport karg; | |
1644 | MPT_ADAPTER *ioc; | |
1645 | int iocnum; | |
1646 | int numBytes, maxEvents, max; | |
1647 | ||
1648 | dctlprintk(("mptctl_eventreport called.\n")); | |
1649 | if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventreport))) { | |
1650 | printk(KERN_ERR "%s@%d::mptctl_eventreport - " | |
1651 | "Unable to read in mpt_ioctl_eventreport struct @ %p\n", | |
1652 | __FILE__, __LINE__, uarg); | |
1653 | return -EFAULT; | |
1654 | } | |
1655 | ||
1656 | if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || | |
1657 | (ioc == NULL)) { | |
1658 | dctlprintk((KERN_ERR "%s::mptctl_eventreport() @%d - ioc%d not found!\n", | |
1659 | __FILE__, __LINE__, iocnum)); | |
1660 | return -ENODEV; | |
1661 | } | |
1662 | ||
1663 | numBytes = karg.hdr.maxDataSize - sizeof(mpt_ioctl_header); | |
1664 | maxEvents = numBytes/sizeof(MPT_IOCTL_EVENTS); | |
1665 | ||
1666 | ||
5b5ef4f6 | 1667 | max = MPTCTL_EVENT_LOG_SIZE < maxEvents ? MPTCTL_EVENT_LOG_SIZE : maxEvents; |
1da177e4 LT |
1668 | |
1669 | /* If fewer than 1 event is requested, there must have | |
1670 | * been some type of error. | |
1671 | */ | |
1672 | if ((max < 1) || !ioc->events) | |
1673 | return -ENODATA; | |
1674 | ||
ea5a7a82 ME |
1675 | /* reset this flag so SIGIO can restart */ |
1676 | ioc->aen_event_read_flag=0; | |
1677 | ||
1da177e4 LT |
1678 | /* Copy the data from kernel memory to user memory |
1679 | */ | |
1680 | numBytes = max * sizeof(MPT_IOCTL_EVENTS); | |
1681 | if (copy_to_user(uarg->eventData, ioc->events, numBytes)) { | |
1682 | printk(KERN_ERR "%s@%d::mptctl_eventreport - " | |
1683 | "Unable to write out mpt_ioctl_eventreport struct @ %p\n", | |
1684 | __FILE__, __LINE__, ioc->events); | |
1685 | return -EFAULT; | |
1686 | } | |
1687 | ||
1688 | return 0; | |
1689 | } | |
1690 | ||
1691 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1692 | static int | |
1693 | mptctl_replace_fw (unsigned long arg) | |
1694 | { | |
1695 | struct mpt_ioctl_replace_fw __user *uarg = (void __user *) arg; | |
1696 | struct mpt_ioctl_replace_fw karg; | |
1697 | MPT_ADAPTER *ioc; | |
1698 | int iocnum; | |
1699 | int newFwSize; | |
1700 | ||
1701 | dctlprintk(("mptctl_replace_fw called.\n")); | |
1702 | if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_replace_fw))) { | |
1703 | printk(KERN_ERR "%s@%d::mptctl_replace_fw - " | |
1704 | "Unable to read in mpt_ioctl_replace_fw struct @ %p\n", | |
1705 | __FILE__, __LINE__, uarg); | |
1706 | return -EFAULT; | |
1707 | } | |
1708 | ||
1709 | if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || | |
1710 | (ioc == NULL)) { | |
1711 | dctlprintk((KERN_ERR "%s::mptctl_replace_fw() @%d - ioc%d not found!\n", | |
1712 | __FILE__, __LINE__, iocnum)); | |
1713 | return -ENODEV; | |
1714 | } | |
1715 | ||
1716 | /* If caching FW, Free the old FW image | |
1717 | */ | |
1718 | if (ioc->cached_fw == NULL) | |
1719 | return 0; | |
1720 | ||
1721 | mpt_free_fw_memory(ioc); | |
1722 | ||
1723 | /* Allocate memory for the new FW image | |
1724 | */ | |
1725 | newFwSize = karg.newImageSize; | |
1726 | ||
1727 | if (newFwSize & 0x01) | |
1728 | newFwSize += 1; | |
1729 | if (newFwSize & 0x02) | |
1730 | newFwSize += 2; | |
1731 | ||
1732 | mpt_alloc_fw_memory(ioc, newFwSize); | |
1733 | if (ioc->cached_fw == NULL) | |
1734 | return -ENOMEM; | |
1735 | ||
1736 | /* Copy the data from user memory to kernel space | |
1737 | */ | |
1738 | if (copy_from_user(ioc->cached_fw, uarg->newImage, newFwSize)) { | |
1739 | printk(KERN_ERR "%s@%d::mptctl_replace_fw - " | |
1740 | "Unable to read in mpt_ioctl_replace_fw image " | |
1741 | "@ %p\n", __FILE__, __LINE__, uarg); | |
1742 | mpt_free_fw_memory(ioc); | |
1743 | return -EFAULT; | |
1744 | } | |
1745 | ||
1746 | /* Update IOCFactsReply | |
1747 | */ | |
1748 | ioc->facts.FWImageSize = newFwSize; | |
1749 | return 0; | |
1750 | } | |
1751 | ||
1752 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1753 | /* MPT IOCTL MPTCOMMAND function. | |
1754 | * Cast the arg into the mpt_ioctl_mpt_command structure. | |
1755 | * | |
1756 | * Outputs: None. | |
1757 | * Return: 0 if successful | |
1758 | * -EBUSY if previous command timout and IOC reset is not complete. | |
1759 | * -EFAULT if data unavailable | |
1760 | * -ENODEV if no such device/adapter | |
1761 | * -ETIME if timer expires | |
1762 | * -ENOMEM if memory allocation error | |
1763 | */ | |
1764 | static int | |
1765 | mptctl_mpt_command (unsigned long arg) | |
1766 | { | |
1767 | struct mpt_ioctl_command __user *uarg = (void __user *) arg; | |
1768 | struct mpt_ioctl_command karg; | |
1769 | MPT_ADAPTER *ioc; | |
1770 | int iocnum; | |
1771 | int rc; | |
1772 | ||
1773 | dctlprintk(("mptctl_command called.\n")); | |
1774 | ||
1775 | if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_command))) { | |
1776 | printk(KERN_ERR "%s@%d::mptctl_mpt_command - " | |
1777 | "Unable to read in mpt_ioctl_command struct @ %p\n", | |
1778 | __FILE__, __LINE__, uarg); | |
1779 | return -EFAULT; | |
1780 | } | |
1781 | ||
1782 | if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || | |
1783 | (ioc == NULL)) { | |
1784 | dctlprintk((KERN_ERR "%s::mptctl_mpt_command() @%d - ioc%d not found!\n", | |
1785 | __FILE__, __LINE__, iocnum)); | |
1786 | return -ENODEV; | |
1787 | } | |
1788 | ||
1789 | rc = mptctl_do_mpt_command (karg, &uarg->MF); | |
1790 | ||
1791 | return rc; | |
1792 | } | |
1793 | ||
1794 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1795 | /* Worker routine for the IOCTL MPTCOMMAND and MPTCOMMAND32 (sparc) commands. | |
1796 | * | |
1797 | * Outputs: None. | |
1798 | * Return: 0 if successful | |
1799 | * -EBUSY if previous command timout and IOC reset is not complete. | |
1800 | * -EFAULT if data unavailable | |
1801 | * -ENODEV if no such device/adapter | |
1802 | * -ETIME if timer expires | |
1803 | * -ENOMEM if memory allocation error | |
1804 | * -EPERM if SCSI I/O and target is untagged | |
1805 | */ | |
1806 | static int | |
1807 | mptctl_do_mpt_command (struct mpt_ioctl_command karg, void __user *mfPtr) | |
1808 | { | |
1809 | MPT_ADAPTER *ioc; | |
1810 | MPT_FRAME_HDR *mf = NULL; | |
1811 | MPIHeader_t *hdr; | |
1812 | char *psge; | |
1813 | struct buflist bufIn; /* data In buffer */ | |
1814 | struct buflist bufOut; /* data Out buffer */ | |
1815 | dma_addr_t dma_addr_in; | |
1816 | dma_addr_t dma_addr_out; | |
1817 | int sgSize = 0; /* Num SG elements */ | |
1818 | int iocnum, flagsLength; | |
1819 | int sz, rc = 0; | |
1820 | int msgContext; | |
1821 | u16 req_idx; | |
1822 | ulong timeout; | |
1823 | ||
1824 | dctlprintk(("mptctl_do_mpt_command called.\n")); | |
1825 | bufIn.kptr = bufOut.kptr = NULL; | |
1826 | ||
1827 | if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || | |
1828 | (ioc == NULL)) { | |
1829 | dctlprintk((KERN_ERR "%s::mptctl_do_mpt_command() @%d - ioc%d not found!\n", | |
1830 | __FILE__, __LINE__, iocnum)); | |
1831 | return -ENODEV; | |
1832 | } | |
1833 | if (!ioc->ioctl) { | |
1834 | printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - " | |
1835 | "No memory available during driver init.\n", | |
1836 | __FILE__, __LINE__); | |
1837 | return -ENOMEM; | |
1838 | } else if (ioc->ioctl->status & MPT_IOCTL_STATUS_DID_IOCRESET) { | |
1839 | printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - " | |
1840 | "Busy with IOC Reset \n", __FILE__, __LINE__); | |
1841 | return -EBUSY; | |
1842 | } | |
1843 | ||
1844 | /* Verify that the final request frame will not be too large. | |
1845 | */ | |
1846 | sz = karg.dataSgeOffset * 4; | |
1847 | if (karg.dataInSize > 0) | |
1848 | sz += sizeof(dma_addr_t) + sizeof(u32); | |
1849 | if (karg.dataOutSize > 0) | |
1850 | sz += sizeof(dma_addr_t) + sizeof(u32); | |
1851 | ||
1852 | if (sz > ioc->req_sz) { | |
1853 | printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - " | |
1854 | "Request frame too large (%d) maximum (%d)\n", | |
1855 | __FILE__, __LINE__, sz, ioc->req_sz); | |
1856 | return -EFAULT; | |
1857 | } | |
1858 | ||
1859 | /* Get a free request frame and save the message context. | |
1860 | */ | |
1861 | if ((mf = mpt_get_msg_frame(mptctl_id, ioc)) == NULL) | |
1862 | return -EAGAIN; | |
1863 | ||
1864 | hdr = (MPIHeader_t *) mf; | |
1865 | msgContext = le32_to_cpu(hdr->MsgContext); | |
1866 | req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); | |
1867 | ||
1868 | /* Copy the request frame | |
1869 | * Reset the saved message context. | |
1870 | * Request frame in user space | |
1871 | */ | |
1872 | if (copy_from_user(mf, mfPtr, karg.dataSgeOffset * 4)) { | |
1873 | printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - " | |
1874 | "Unable to read MF from mpt_ioctl_command struct @ %p\n", | |
1875 | __FILE__, __LINE__, mfPtr); | |
1876 | rc = -EFAULT; | |
1877 | goto done_free_mem; | |
1878 | } | |
1879 | hdr->MsgContext = cpu_to_le32(msgContext); | |
1880 | ||
1881 | ||
1882 | /* Verify that this request is allowed. | |
1883 | */ | |
1884 | switch (hdr->Function) { | |
1885 | case MPI_FUNCTION_IOC_FACTS: | |
1886 | case MPI_FUNCTION_PORT_FACTS: | |
1887 | karg.dataOutSize = karg.dataInSize = 0; | |
1888 | break; | |
1889 | ||
1890 | case MPI_FUNCTION_CONFIG: | |
1891 | case MPI_FUNCTION_FC_COMMON_TRANSPORT_SEND: | |
1892 | case MPI_FUNCTION_FC_EX_LINK_SRVC_SEND: | |
1893 | case MPI_FUNCTION_FW_UPLOAD: | |
1894 | case MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR: | |
1895 | case MPI_FUNCTION_FW_DOWNLOAD: | |
1896 | case MPI_FUNCTION_FC_PRIMITIVE_SEND: | |
096f7a2a ME |
1897 | case MPI_FUNCTION_TOOLBOX: |
1898 | case MPI_FUNCTION_SAS_IO_UNIT_CONTROL: | |
1da177e4 LT |
1899 | break; |
1900 | ||
1901 | case MPI_FUNCTION_SCSI_IO_REQUEST: | |
1902 | if (ioc->sh) { | |
1903 | SCSIIORequest_t *pScsiReq = (SCSIIORequest_t *) mf; | |
c7c82987 | 1904 | VirtTarget *pTarget = NULL; |
1da177e4 LT |
1905 | MPT_SCSI_HOST *hd = NULL; |
1906 | int qtag = MPI_SCSIIO_CONTROL_UNTAGGED; | |
1907 | int scsidir = 0; | |
1908 | int target = (int) pScsiReq->TargetID; | |
1909 | int dataSize; | |
1910 | ||
1911 | if ((target < 0) || (target >= ioc->sh->max_id)) { | |
1912 | printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - " | |
1913 | "Target ID out of bounds. \n", | |
1914 | __FILE__, __LINE__); | |
1915 | rc = -ENODEV; | |
1916 | goto done_free_mem; | |
1917 | } | |
1918 | ||
5f07e249 ME |
1919 | pScsiReq->MsgFlags &= ~MPI_SCSIIO_MSGFLGS_SENSE_WIDTH; |
1920 | pScsiReq->MsgFlags |= mpt_msg_flags(); | |
1921 | ||
1da177e4 LT |
1922 | |
1923 | /* verify that app has not requested | |
1924 | * more sense data than driver | |
1925 | * can provide, if so, reset this parameter | |
1926 | * set the sense buffer pointer low address | |
1927 | * update the control field to specify Q type | |
1928 | */ | |
1929 | if (karg.maxSenseBytes > MPT_SENSE_BUFFER_SIZE) | |
1930 | pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; | |
1931 | else | |
1932 | pScsiReq->SenseBufferLength = karg.maxSenseBytes; | |
1933 | ||
1934 | pScsiReq->SenseBufferLowAddr = | |
1935 | cpu_to_le32(ioc->sense_buf_low_dma | |
1936 | + (req_idx * MPT_SENSE_BUFFER_ALLOC)); | |
1937 | ||
1938 | if ((hd = (MPT_SCSI_HOST *) ioc->sh->hostdata)) { | |
1939 | if (hd->Targets) | |
1940 | pTarget = hd->Targets[target]; | |
1941 | } | |
1942 | ||
1943 | if (pTarget &&(pTarget->tflags & MPT_TARGET_FLAGS_Q_YES)) | |
1944 | qtag = MPI_SCSIIO_CONTROL_SIMPLEQ; | |
1945 | ||
1946 | /* Have the IOCTL driver set the direction based | |
1947 | * on the dataOutSize (ordering issue with Sparc). | |
1948 | */ | |
1949 | if (karg.dataOutSize > 0) { | |
1950 | scsidir = MPI_SCSIIO_CONTROL_WRITE; | |
1951 | dataSize = karg.dataOutSize; | |
1952 | } else { | |
1953 | scsidir = MPI_SCSIIO_CONTROL_READ; | |
1954 | dataSize = karg.dataInSize; | |
1955 | } | |
1956 | ||
1957 | pScsiReq->Control = cpu_to_le32(scsidir | qtag); | |
1958 | pScsiReq->DataLength = cpu_to_le32(dataSize); | |
1959 | ||
1960 | ioc->ioctl->reset = MPTCTL_RESET_OK; | |
1961 | ioc->ioctl->target = target; | |
1962 | ||
1963 | } else { | |
1964 | printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - " | |
1965 | "SCSI driver is not loaded. \n", | |
1966 | __FILE__, __LINE__); | |
1967 | rc = -EFAULT; | |
1968 | goto done_free_mem; | |
1969 | } | |
1970 | break; | |
1971 | ||
096f7a2a ME |
1972 | case MPI_FUNCTION_SMP_PASSTHROUGH: |
1973 | /* Check mf->PassthruFlags to determine if | |
1974 | * transfer is ImmediateMode or not. | |
1975 | * Immediate mode returns data in the ReplyFrame. | |
1976 | * Else, we are sending request and response data | |
1977 | * in two SGLs at the end of the mf. | |
1978 | */ | |
1979 | break; | |
1980 | ||
1981 | case MPI_FUNCTION_SATA_PASSTHROUGH: | |
1982 | if (!ioc->sh) { | |
1983 | printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - " | |
1984 | "SCSI driver is not loaded. \n", | |
1985 | __FILE__, __LINE__); | |
1986 | rc = -EFAULT; | |
1987 | goto done_free_mem; | |
1988 | } | |
1989 | break; | |
1990 | ||
1da177e4 LT |
1991 | case MPI_FUNCTION_RAID_ACTION: |
1992 | /* Just add a SGE | |
1993 | */ | |
1994 | break; | |
1995 | ||
1996 | case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: | |
1997 | if (ioc->sh) { | |
1998 | SCSIIORequest_t *pScsiReq = (SCSIIORequest_t *) mf; | |
1999 | int qtag = MPI_SCSIIO_CONTROL_SIMPLEQ; | |
2000 | int scsidir = MPI_SCSIIO_CONTROL_READ; | |
2001 | int dataSize; | |
2002 | ||
5f07e249 ME |
2003 | pScsiReq->MsgFlags &= ~MPI_SCSIIO_MSGFLGS_SENSE_WIDTH; |
2004 | pScsiReq->MsgFlags |= mpt_msg_flags(); | |
2005 | ||
1da177e4 LT |
2006 | |
2007 | /* verify that app has not requested | |
2008 | * more sense data than driver | |
2009 | * can provide, if so, reset this parameter | |
2010 | * set the sense buffer pointer low address | |
2011 | * update the control field to specify Q type | |
2012 | */ | |
2013 | if (karg.maxSenseBytes > MPT_SENSE_BUFFER_SIZE) | |
2014 | pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; | |
2015 | else | |
2016 | pScsiReq->SenseBufferLength = karg.maxSenseBytes; | |
2017 | ||
2018 | pScsiReq->SenseBufferLowAddr = | |
2019 | cpu_to_le32(ioc->sense_buf_low_dma | |
2020 | + (req_idx * MPT_SENSE_BUFFER_ALLOC)); | |
2021 | ||
2022 | /* All commands to physical devices are tagged | |
2023 | */ | |
2024 | ||
2025 | /* Have the IOCTL driver set the direction based | |
2026 | * on the dataOutSize (ordering issue with Sparc). | |
2027 | */ | |
2028 | if (karg.dataOutSize > 0) { | |
2029 | scsidir = MPI_SCSIIO_CONTROL_WRITE; | |
2030 | dataSize = karg.dataOutSize; | |
2031 | } else { | |
2032 | scsidir = MPI_SCSIIO_CONTROL_READ; | |
2033 | dataSize = karg.dataInSize; | |
2034 | } | |
2035 | ||
2036 | pScsiReq->Control = cpu_to_le32(scsidir | qtag); | |
2037 | pScsiReq->DataLength = cpu_to_le32(dataSize); | |
2038 | ||
2039 | ioc->ioctl->reset = MPTCTL_RESET_OK; | |
2040 | ioc->ioctl->target = pScsiReq->TargetID; | |
2041 | } else { | |
2042 | printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - " | |
2043 | "SCSI driver is not loaded. \n", | |
2044 | __FILE__, __LINE__); | |
2045 | rc = -EFAULT; | |
2046 | goto done_free_mem; | |
2047 | } | |
2048 | break; | |
2049 | ||
2050 | case MPI_FUNCTION_SCSI_TASK_MGMT: | |
2051 | { | |
2052 | MPT_SCSI_HOST *hd = NULL; | |
2053 | if ((ioc->sh == NULL) || ((hd = (MPT_SCSI_HOST *)ioc->sh->hostdata) == NULL)) { | |
2054 | printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - " | |
2055 | "SCSI driver not loaded or SCSI host not found. \n", | |
2056 | __FILE__, __LINE__); | |
2057 | rc = -EFAULT; | |
2058 | goto done_free_mem; | |
2059 | } else if (mptctl_set_tm_flags(hd) != 0) { | |
2060 | rc = -EPERM; | |
2061 | goto done_free_mem; | |
2062 | } | |
2063 | } | |
2064 | break; | |
2065 | ||
2066 | case MPI_FUNCTION_IOC_INIT: | |
2067 | { | |
2068 | IOCInit_t *pInit = (IOCInit_t *) mf; | |
2069 | u32 high_addr, sense_high; | |
2070 | ||
2071 | /* Verify that all entries in the IOC INIT match | |
2072 | * existing setup (and in LE format). | |
2073 | */ | |
2074 | if (sizeof(dma_addr_t) == sizeof(u64)) { | |
2075 | high_addr = cpu_to_le32((u32)((u64)ioc->req_frames_dma >> 32)); | |
2076 | sense_high= cpu_to_le32((u32)((u64)ioc->sense_buf_pool_dma >> 32)); | |
2077 | } else { | |
2078 | high_addr = 0; | |
2079 | sense_high= 0; | |
2080 | } | |
2081 | ||
2082 | if ((pInit->Flags != 0) || (pInit->MaxDevices != ioc->facts.MaxDevices) || | |
2083 | (pInit->MaxBuses != ioc->facts.MaxBuses) || | |
2084 | (pInit->ReplyFrameSize != cpu_to_le16(ioc->reply_sz)) || | |
2085 | (pInit->HostMfaHighAddr != high_addr) || | |
2086 | (pInit->SenseBufferHighAddr != sense_high)) { | |
2087 | printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - " | |
2088 | "IOC_INIT issued with 1 or more incorrect parameters. Rejected.\n", | |
2089 | __FILE__, __LINE__); | |
2090 | rc = -EFAULT; | |
2091 | goto done_free_mem; | |
2092 | } | |
2093 | } | |
2094 | break; | |
2095 | default: | |
2096 | /* | |
2097 | * MPI_FUNCTION_PORT_ENABLE | |
2098 | * MPI_FUNCTION_TARGET_CMD_BUFFER_POST | |
2099 | * MPI_FUNCTION_TARGET_ASSIST | |
2100 | * MPI_FUNCTION_TARGET_STATUS_SEND | |
2101 | * MPI_FUNCTION_TARGET_MODE_ABORT | |
2102 | * MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET | |
2103 | * MPI_FUNCTION_IO_UNIT_RESET | |
2104 | * MPI_FUNCTION_HANDSHAKE | |
2105 | * MPI_FUNCTION_REPLY_FRAME_REMOVAL | |
2106 | * MPI_FUNCTION_EVENT_NOTIFICATION | |
2107 | * (driver handles event notification) | |
2108 | * MPI_FUNCTION_EVENT_ACK | |
2109 | */ | |
2110 | ||
2111 | /* What to do with these??? CHECK ME!!! | |
2112 | MPI_FUNCTION_FC_LINK_SRVC_BUF_POST | |
2113 | MPI_FUNCTION_FC_LINK_SRVC_RSP | |
2114 | MPI_FUNCTION_FC_ABORT | |
2115 | MPI_FUNCTION_LAN_SEND | |
2116 | MPI_FUNCTION_LAN_RECEIVE | |
2117 | MPI_FUNCTION_LAN_RESET | |
2118 | */ | |
2119 | ||
2120 | printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - " | |
2121 | "Illegal request (function 0x%x) \n", | |
2122 | __FILE__, __LINE__, hdr->Function); | |
2123 | rc = -EFAULT; | |
2124 | goto done_free_mem; | |
2125 | } | |
2126 | ||
2127 | /* Add the SGL ( at most one data in SGE and one data out SGE ) | |
2128 | * In the case of two SGE's - the data out (write) will always | |
2129 | * preceede the data in (read) SGE. psgList is used to free the | |
2130 | * allocated memory. | |
2131 | */ | |
2132 | psge = (char *) (((int *) mf) + karg.dataSgeOffset); | |
2133 | flagsLength = 0; | |
2134 | ||
2135 | /* bufIn and bufOut are used for user to kernel space transfers | |
2136 | */ | |
2137 | bufIn.kptr = bufOut.kptr = NULL; | |
2138 | bufIn.len = bufOut.len = 0; | |
2139 | ||
2140 | if (karg.dataOutSize > 0) | |
2141 | sgSize ++; | |
2142 | ||
2143 | if (karg.dataInSize > 0) | |
2144 | sgSize ++; | |
2145 | ||
2146 | if (sgSize > 0) { | |
2147 | ||
2148 | /* Set up the dataOut memory allocation */ | |
2149 | if (karg.dataOutSize > 0) { | |
2150 | if (karg.dataInSize > 0) { | |
2151 | flagsLength = ( MPI_SGE_FLAGS_SIMPLE_ELEMENT | | |
2152 | MPI_SGE_FLAGS_END_OF_BUFFER | | |
2153 | MPI_SGE_FLAGS_DIRECTION | | |
2154 | mpt_addr_size() ) | |
2155 | << MPI_SGE_FLAGS_SHIFT; | |
2156 | } else { | |
2157 | flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE; | |
2158 | } | |
2159 | flagsLength |= karg.dataOutSize; | |
2160 | bufOut.len = karg.dataOutSize; | |
2161 | bufOut.kptr = pci_alloc_consistent( | |
2162 | ioc->pcidev, bufOut.len, &dma_addr_out); | |
2163 | ||
2164 | if (bufOut.kptr == NULL) { | |
2165 | rc = -ENOMEM; | |
2166 | goto done_free_mem; | |
2167 | } else { | |
2168 | /* Set up this SGE. | |
2169 | * Copy to MF and to sglbuf | |
2170 | */ | |
2171 | mpt_add_sge(psge, flagsLength, dma_addr_out); | |
2172 | psge += (sizeof(u32) + sizeof(dma_addr_t)); | |
2173 | ||
2174 | /* Copy user data to kernel space. | |
2175 | */ | |
2176 | if (copy_from_user(bufOut.kptr, | |
2177 | karg.dataOutBufPtr, | |
2178 | bufOut.len)) { | |
2179 | printk(KERN_ERR | |
2180 | "%s@%d::mptctl_do_mpt_command - Unable " | |
2181 | "to read user data " | |
2182 | "struct @ %p\n", | |
2183 | __FILE__, __LINE__,karg.dataOutBufPtr); | |
2184 | rc = -EFAULT; | |
2185 | goto done_free_mem; | |
2186 | } | |
2187 | } | |
2188 | } | |
2189 | ||
2190 | if (karg.dataInSize > 0) { | |
2191 | flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ; | |
2192 | flagsLength |= karg.dataInSize; | |
2193 | ||
2194 | bufIn.len = karg.dataInSize; | |
2195 | bufIn.kptr = pci_alloc_consistent(ioc->pcidev, | |
2196 | bufIn.len, &dma_addr_in); | |
2197 | ||
2198 | if (bufIn.kptr == NULL) { | |
2199 | rc = -ENOMEM; | |
2200 | goto done_free_mem; | |
2201 | } else { | |
2202 | /* Set up this SGE | |
2203 | * Copy to MF and to sglbuf | |
2204 | */ | |
2205 | mpt_add_sge(psge, flagsLength, dma_addr_in); | |
2206 | } | |
2207 | } | |
2208 | } else { | |
2209 | /* Add a NULL SGE | |
2210 | */ | |
2211 | mpt_add_sge(psge, flagsLength, (dma_addr_t) -1); | |
2212 | } | |
2213 | ||
2214 | ioc->ioctl->wait_done = 0; | |
2215 | if (hdr->Function == MPI_FUNCTION_SCSI_TASK_MGMT) { | |
2216 | ||
2217 | DBG_DUMP_TM_REQUEST_FRAME((u32 *)mf); | |
2218 | ||
2219 | if (mpt_send_handshake_request(mptctl_id, ioc, | |
2220 | sizeof(SCSITaskMgmt_t), (u32*)mf, | |
2221 | CAN_SLEEP) != 0) { | |
2222 | dfailprintk((MYIOC_s_ERR_FMT "_send_handshake FAILED!" | |
2223 | " (ioc %p, mf %p) \n", ioc->name, | |
2224 | ioc, mf)); | |
2225 | mptctl_free_tm_flags(ioc); | |
2226 | rc = -ENODATA; | |
2227 | goto done_free_mem; | |
2228 | } | |
2229 | ||
2230 | } else | |
2231 | mpt_put_msg_frame(mptctl_id, ioc, mf); | |
2232 | ||
2233 | /* Now wait for the command to complete */ | |
2234 | timeout = (karg.timeout > 0) ? karg.timeout : MPT_IOCTL_DEFAULT_TIMEOUT; | |
86a7dcaa | 2235 | timeout = wait_event_timeout(mptctl_wait, |
1da177e4 LT |
2236 | ioc->ioctl->wait_done == 1, |
2237 | HZ*timeout); | |
2238 | ||
2239 | if(timeout <=0 && (ioc->ioctl->wait_done != 1 )) { | |
2240 | /* Now we need to reset the board */ | |
2241 | ||
2242 | if (hdr->Function == MPI_FUNCTION_SCSI_TASK_MGMT) | |
2243 | mptctl_free_tm_flags(ioc); | |
2244 | ||
2245 | mptctl_timeout_expired(ioc->ioctl); | |
2246 | rc = -ENODATA; | |
2247 | goto done_free_mem; | |
2248 | } | |
2249 | ||
2250 | mf = NULL; | |
2251 | ||
2252 | /* If a valid reply frame, copy to the user. | |
2253 | * Offset 2: reply length in U32's | |
2254 | */ | |
2255 | if (ioc->ioctl->status & MPT_IOCTL_STATUS_RF_VALID) { | |
2256 | if (karg.maxReplyBytes < ioc->reply_sz) { | |
2257 | sz = min(karg.maxReplyBytes, 4*ioc->ioctl->ReplyFrame[2]); | |
2258 | } else { | |
2259 | sz = min(ioc->reply_sz, 4*ioc->ioctl->ReplyFrame[2]); | |
2260 | } | |
2261 | ||
2262 | if (sz > 0) { | |
2263 | if (copy_to_user(karg.replyFrameBufPtr, | |
2264 | &ioc->ioctl->ReplyFrame, sz)){ | |
2265 | printk(KERN_ERR | |
2266 | "%s@%d::mptctl_do_mpt_command - " | |
2267 | "Unable to write out reply frame %p\n", | |
2268 | __FILE__, __LINE__, karg.replyFrameBufPtr); | |
2269 | rc = -ENODATA; | |
2270 | goto done_free_mem; | |
2271 | } | |
2272 | } | |
2273 | } | |
2274 | ||
2275 | /* If valid sense data, copy to user. | |
2276 | */ | |
2277 | if (ioc->ioctl->status & MPT_IOCTL_STATUS_SENSE_VALID) { | |
2278 | sz = min(karg.maxSenseBytes, MPT_SENSE_BUFFER_SIZE); | |
2279 | if (sz > 0) { | |
2280 | if (copy_to_user(karg.senseDataPtr, ioc->ioctl->sense, sz)) { | |
2281 | printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - " | |
2282 | "Unable to write sense data to user %p\n", | |
2283 | __FILE__, __LINE__, | |
2284 | karg.senseDataPtr); | |
2285 | rc = -ENODATA; | |
2286 | goto done_free_mem; | |
2287 | } | |
2288 | } | |
2289 | } | |
2290 | ||
2291 | /* If the overall status is _GOOD and data in, copy data | |
2292 | * to user. | |
2293 | */ | |
2294 | if ((ioc->ioctl->status & MPT_IOCTL_STATUS_COMMAND_GOOD) && | |
2295 | (karg.dataInSize > 0) && (bufIn.kptr)) { | |
2296 | ||
2297 | if (copy_to_user(karg.dataInBufPtr, | |
2298 | bufIn.kptr, karg.dataInSize)) { | |
2299 | printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - " | |
2300 | "Unable to write data to user %p\n", | |
2301 | __FILE__, __LINE__, | |
2302 | karg.dataInBufPtr); | |
2303 | rc = -ENODATA; | |
2304 | } | |
2305 | } | |
2306 | ||
2307 | done_free_mem: | |
2308 | ||
2309 | ioc->ioctl->status &= ~(MPT_IOCTL_STATUS_COMMAND_GOOD | | |
2310 | MPT_IOCTL_STATUS_SENSE_VALID | | |
2311 | MPT_IOCTL_STATUS_RF_VALID ); | |
2312 | ||
2313 | /* Free the allocated memory. | |
2314 | */ | |
2315 | if (bufOut.kptr != NULL) { | |
2316 | pci_free_consistent(ioc->pcidev, | |
2317 | bufOut.len, (void *) bufOut.kptr, dma_addr_out); | |
2318 | } | |
2319 | ||
2320 | if (bufIn.kptr != NULL) { | |
2321 | pci_free_consistent(ioc->pcidev, | |
2322 | bufIn.len, (void *) bufIn.kptr, dma_addr_in); | |
2323 | } | |
2324 | ||
2325 | /* mf is null if command issued successfully | |
2326 | * otherwise, failure occured after mf acquired. | |
2327 | */ | |
2328 | if (mf) | |
2329 | mpt_free_msg_frame(ioc, mf); | |
2330 | ||
2331 | return rc; | |
2332 | } | |
2333 | ||
2334 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
2335 | /* Prototype Routine for the HP HOST INFO command. | |
2336 | * | |
2337 | * Outputs: None. | |
2338 | * Return: 0 if successful | |
2339 | * -EFAULT if data unavailable | |
2340 | * -EBUSY if previous command timout and IOC reset is not complete. | |
2341 | * -ENODEV if no such device/adapter | |
2342 | * -ETIME if timer expires | |
2343 | * -ENOMEM if memory allocation error | |
2344 | */ | |
2345 | static int | |
2346 | mptctl_hp_hostinfo(unsigned long arg, unsigned int data_size) | |
2347 | { | |
2348 | hp_host_info_t __user *uarg = (void __user *) arg; | |
2349 | MPT_ADAPTER *ioc; | |
2350 | struct pci_dev *pdev; | |
592f9c2f | 2351 | char *pbuf=NULL; |
1da177e4 LT |
2352 | dma_addr_t buf_dma; |
2353 | hp_host_info_t karg; | |
2354 | CONFIGPARMS cfg; | |
2355 | ConfigPageHeader_t hdr; | |
2356 | int iocnum; | |
2357 | int rc, cim_rev; | |
592f9c2f ME |
2358 | ToolboxIstwiReadWriteRequest_t *IstwiRWRequest; |
2359 | MPT_FRAME_HDR *mf = NULL; | |
2360 | MPIHeader_t *mpi_hdr; | |
1da177e4 LT |
2361 | |
2362 | dctlprintk((": mptctl_hp_hostinfo called.\n")); | |
2363 | /* Reset long to int. Should affect IA64 and SPARC only | |
2364 | */ | |
2365 | if (data_size == sizeof(hp_host_info_t)) | |
2366 | cim_rev = 1; | |
2367 | else if (data_size == sizeof(hp_host_info_rev0_t)) | |
2368 | cim_rev = 0; /* obsolete */ | |
2369 | else | |
2370 | return -EFAULT; | |
2371 | ||
2372 | if (copy_from_user(&karg, uarg, sizeof(hp_host_info_t))) { | |
2373 | printk(KERN_ERR "%s@%d::mptctl_hp_host_info - " | |
2374 | "Unable to read in hp_host_info struct @ %p\n", | |
2375 | __FILE__, __LINE__, uarg); | |
2376 | return -EFAULT; | |
2377 | } | |
2378 | ||
2379 | if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || | |
2380 | (ioc == NULL)) { | |
2381 | dctlprintk((KERN_ERR "%s::mptctl_hp_hostinfo() @%d - ioc%d not found!\n", | |
2382 | __FILE__, __LINE__, iocnum)); | |
2383 | return -ENODEV; | |
2384 | } | |
2385 | ||
2386 | /* Fill in the data and return the structure to the calling | |
2387 | * program | |
2388 | */ | |
2389 | pdev = (struct pci_dev *) ioc->pcidev; | |
2390 | ||
2391 | karg.vendor = pdev->vendor; | |
2392 | karg.device = pdev->device; | |
2393 | karg.subsystem_id = pdev->subsystem_device; | |
2394 | karg.subsystem_vendor = pdev->subsystem_vendor; | |
2395 | karg.devfn = pdev->devfn; | |
2396 | karg.bus = pdev->bus->number; | |
2397 | ||
2398 | /* Save the SCSI host no. if | |
2399 | * SCSI driver loaded | |
2400 | */ | |
2401 | if (ioc->sh != NULL) | |
2402 | karg.host_no = ioc->sh->host_no; | |
2403 | else | |
2404 | karg.host_no = -1; | |
2405 | ||
2406 | /* Reformat the fw_version into a string | |
2407 | */ | |
2408 | karg.fw_version[0] = ioc->facts.FWVersion.Struct.Major >= 10 ? | |
2409 | ((ioc->facts.FWVersion.Struct.Major / 10) + '0') : '0'; | |
2410 | karg.fw_version[1] = (ioc->facts.FWVersion.Struct.Major % 10 ) + '0'; | |
2411 | karg.fw_version[2] = '.'; | |
2412 | karg.fw_version[3] = ioc->facts.FWVersion.Struct.Minor >= 10 ? | |
2413 | ((ioc->facts.FWVersion.Struct.Minor / 10) + '0') : '0'; | |
2414 | karg.fw_version[4] = (ioc->facts.FWVersion.Struct.Minor % 10 ) + '0'; | |
2415 | karg.fw_version[5] = '.'; | |
2416 | karg.fw_version[6] = ioc->facts.FWVersion.Struct.Unit >= 10 ? | |
2417 | ((ioc->facts.FWVersion.Struct.Unit / 10) + '0') : '0'; | |
2418 | karg.fw_version[7] = (ioc->facts.FWVersion.Struct.Unit % 10 ) + '0'; | |
2419 | karg.fw_version[8] = '.'; | |
2420 | karg.fw_version[9] = ioc->facts.FWVersion.Struct.Dev >= 10 ? | |
2421 | ((ioc->facts.FWVersion.Struct.Dev / 10) + '0') : '0'; | |
2422 | karg.fw_version[10] = (ioc->facts.FWVersion.Struct.Dev % 10 ) + '0'; | |
2423 | karg.fw_version[11] = '\0'; | |
2424 | ||
2425 | /* Issue a config request to get the device serial number | |
2426 | */ | |
2427 | hdr.PageVersion = 0; | |
2428 | hdr.PageLength = 0; | |
2429 | hdr.PageNumber = 0; | |
2430 | hdr.PageType = MPI_CONFIG_PAGETYPE_MANUFACTURING; | |
69218ee5 | 2431 | cfg.cfghdr.hdr = &hdr; |
1da177e4 LT |
2432 | cfg.physAddr = -1; |
2433 | cfg.pageAddr = 0; | |
2434 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | |
2435 | cfg.dir = 0; /* read */ | |
2436 | cfg.timeout = 10; | |
2437 | ||
2438 | strncpy(karg.serial_number, " ", 24); | |
2439 | if (mpt_config(ioc, &cfg) == 0) { | |
69218ee5 | 2440 | if (cfg.cfghdr.hdr->PageLength > 0) { |
1da177e4 LT |
2441 | /* Issue the second config page request */ |
2442 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | |
2443 | ||
2444 | pbuf = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, &buf_dma); | |
2445 | if (pbuf) { | |
2446 | cfg.physAddr = buf_dma; | |
2447 | if (mpt_config(ioc, &cfg) == 0) { | |
2448 | ManufacturingPage0_t *pdata = (ManufacturingPage0_t *) pbuf; | |
2449 | if (strlen(pdata->BoardTracerNumber) > 1) { | |
2450 | strncpy(karg.serial_number, pdata->BoardTracerNumber, 24); | |
2451 | karg.serial_number[24-1]='\0'; | |
2452 | } | |
2453 | } | |
2454 | pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, pbuf, buf_dma); | |
2455 | pbuf = NULL; | |
2456 | } | |
2457 | } | |
2458 | } | |
2459 | rc = mpt_GetIocState(ioc, 1); | |
2460 | switch (rc) { | |
2461 | case MPI_IOC_STATE_OPERATIONAL: | |
2462 | karg.ioc_status = HP_STATUS_OK; | |
2463 | break; | |
2464 | ||
2465 | case MPI_IOC_STATE_FAULT: | |
2466 | karg.ioc_status = HP_STATUS_FAILED; | |
2467 | break; | |
2468 | ||
2469 | case MPI_IOC_STATE_RESET: | |
2470 | case MPI_IOC_STATE_READY: | |
2471 | default: | |
2472 | karg.ioc_status = HP_STATUS_OTHER; | |
2473 | break; | |
2474 | } | |
2475 | ||
2476 | karg.base_io_addr = pci_resource_start(pdev, 0); | |
2477 | ||
9cc1cfbc | 2478 | if ((ioc->bus_type == SAS) || (ioc->bus_type == FC)) |
1da177e4 LT |
2479 | karg.bus_phys_width = HP_BUS_WIDTH_UNK; |
2480 | else | |
2481 | karg.bus_phys_width = HP_BUS_WIDTH_16; | |
2482 | ||
2483 | karg.hard_resets = 0; | |
2484 | karg.soft_resets = 0; | |
2485 | karg.timeouts = 0; | |
2486 | if (ioc->sh != NULL) { | |
2487 | MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)ioc->sh->hostdata; | |
2488 | ||
2489 | if (hd && (cim_rev == 1)) { | |
2490 | karg.hard_resets = hd->hard_resets; | |
2491 | karg.soft_resets = hd->soft_resets; | |
2492 | karg.timeouts = hd->timeouts; | |
2493 | } | |
2494 | } | |
2495 | ||
592f9c2f ME |
2496 | /* |
2497 | * Gather ISTWI(Industry Standard Two Wire Interface) Data | |
2498 | */ | |
2499 | if ((mf = mpt_get_msg_frame(mptctl_id, ioc)) == NULL) { | |
2500 | dfailprintk((MYIOC_s_WARN_FMT "%s, no msg frames!!\n", | |
2501 | ioc->name,__FUNCTION__)); | |
2502 | goto out; | |
2503 | } | |
2504 | ||
2505 | IstwiRWRequest = (ToolboxIstwiReadWriteRequest_t *)mf; | |
2506 | mpi_hdr = (MPIHeader_t *) mf; | |
2507 | memset(IstwiRWRequest,0,sizeof(ToolboxIstwiReadWriteRequest_t)); | |
2508 | IstwiRWRequest->Function = MPI_FUNCTION_TOOLBOX; | |
2509 | IstwiRWRequest->Tool = MPI_TOOLBOX_ISTWI_READ_WRITE_TOOL; | |
2510 | IstwiRWRequest->MsgContext = mpi_hdr->MsgContext; | |
2511 | IstwiRWRequest->Flags = MPI_TB_ISTWI_FLAGS_READ; | |
2512 | IstwiRWRequest->NumAddressBytes = 0x01; | |
2513 | IstwiRWRequest->DataLength = cpu_to_le16(0x04); | |
2514 | if (pdev->devfn & 1) | |
2515 | IstwiRWRequest->DeviceAddr = 0xB2; | |
2516 | else | |
2517 | IstwiRWRequest->DeviceAddr = 0xB0; | |
2518 | ||
1da177e4 | 2519 | pbuf = pci_alloc_consistent(ioc->pcidev, 4, &buf_dma); |
592f9c2f ME |
2520 | if (!pbuf) |
2521 | goto out; | |
2522 | mpt_add_sge((char *)&IstwiRWRequest->SGL, | |
2523 | (MPT_SGE_FLAGS_SSIMPLE_READ|4), buf_dma); | |
2524 | ||
2525 | ioc->ioctl->wait_done = 0; | |
2526 | mpt_put_msg_frame(mptctl_id, ioc, mf); | |
2527 | ||
2528 | rc = wait_event_timeout(mptctl_wait, | |
2529 | ioc->ioctl->wait_done == 1, | |
2530 | HZ*MPT_IOCTL_DEFAULT_TIMEOUT /* 10 sec */); | |
2531 | ||
2532 | if(rc <=0 && (ioc->ioctl->wait_done != 1 )) { | |
2533 | /* | |
2534 | * Now we need to reset the board | |
2535 | */ | |
2536 | mpt_free_msg_frame(ioc, mf); | |
2537 | mptctl_timeout_expired(ioc->ioctl); | |
2538 | goto out; | |
1da177e4 LT |
2539 | } |
2540 | ||
592f9c2f ME |
2541 | /* |
2542 | *ISTWI Data Definition | |
2543 | * pbuf[0] = FW_VERSION = 0x4 | |
2544 | * pbuf[1] = Bay Count = 6 or 4 or 2, depending on | |
2545 | * the config, you should be seeing one out of these three values | |
2546 | * pbuf[2] = Drive Installed Map = bit pattern depend on which | |
2547 | * bays have drives in them | |
2548 | * pbuf[3] = Checksum (0x100 = (byte0 + byte2 + byte3) | |
2549 | */ | |
2550 | if (ioc->ioctl->status & MPT_IOCTL_STATUS_RF_VALID) | |
2551 | karg.rsvd = *(u32 *)pbuf; | |
2552 | ||
2553 | out: | |
2554 | if (pbuf) | |
2555 | pci_free_consistent(ioc->pcidev, 4, pbuf, buf_dma); | |
2556 | ||
1da177e4 LT |
2557 | /* Copy the data from kernel memory to user memory |
2558 | */ | |
2559 | if (copy_to_user((char __user *)arg, &karg, sizeof(hp_host_info_t))) { | |
2560 | printk(KERN_ERR "%s@%d::mptctl_hpgethostinfo - " | |
2561 | "Unable to write out hp_host_info @ %p\n", | |
2562 | __FILE__, __LINE__, uarg); | |
2563 | return -EFAULT; | |
2564 | } | |
2565 | ||
2566 | return 0; | |
2567 | ||
2568 | } | |
2569 | ||
2570 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
2571 | /* Prototype Routine for the HP TARGET INFO command. | |
2572 | * | |
2573 | * Outputs: None. | |
2574 | * Return: 0 if successful | |
2575 | * -EFAULT if data unavailable | |
2576 | * -EBUSY if previous command timout and IOC reset is not complete. | |
2577 | * -ENODEV if no such device/adapter | |
2578 | * -ETIME if timer expires | |
2579 | * -ENOMEM if memory allocation error | |
2580 | */ | |
2581 | static int | |
2582 | mptctl_hp_targetinfo(unsigned long arg) | |
2583 | { | |
2584 | hp_target_info_t __user *uarg = (void __user *) arg; | |
2585 | SCSIDevicePage0_t *pg0_alloc; | |
2586 | SCSIDevicePage3_t *pg3_alloc; | |
2587 | MPT_ADAPTER *ioc; | |
2588 | MPT_SCSI_HOST *hd = NULL; | |
2589 | hp_target_info_t karg; | |
2590 | int iocnum; | |
2591 | int data_sz; | |
2592 | dma_addr_t page_dma; | |
2593 | CONFIGPARMS cfg; | |
2594 | ConfigPageHeader_t hdr; | |
2595 | int tmp, np, rc = 0; | |
2596 | ||
2597 | dctlprintk((": mptctl_hp_targetinfo called.\n")); | |
2598 | if (copy_from_user(&karg, uarg, sizeof(hp_target_info_t))) { | |
2599 | printk(KERN_ERR "%s@%d::mptctl_hp_targetinfo - " | |
2600 | "Unable to read in hp_host_targetinfo struct @ %p\n", | |
2601 | __FILE__, __LINE__, uarg); | |
2602 | return -EFAULT; | |
2603 | } | |
2604 | ||
2605 | if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || | |
2606 | (ioc == NULL)) { | |
2607 | dctlprintk((KERN_ERR "%s::mptctl_hp_targetinfo() @%d - ioc%d not found!\n", | |
2608 | __FILE__, __LINE__, iocnum)); | |
2609 | return -ENODEV; | |
2610 | } | |
2611 | ||
2612 | /* There is nothing to do for FCP parts. | |
2613 | */ | |
9cc1cfbc | 2614 | if ((ioc->bus_type == SAS) || (ioc->bus_type == FC)) |
1da177e4 LT |
2615 | return 0; |
2616 | ||
2617 | if ((ioc->spi_data.sdp0length == 0) || (ioc->sh == NULL)) | |
2618 | return 0; | |
2619 | ||
2620 | if (ioc->sh->host_no != karg.hdr.host) | |
2621 | return -ENODEV; | |
2622 | ||
2623 | /* Get the data transfer speeds | |
2624 | */ | |
2625 | data_sz = ioc->spi_data.sdp0length * 4; | |
2626 | pg0_alloc = (SCSIDevicePage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page_dma); | |
2627 | if (pg0_alloc) { | |
2628 | hdr.PageVersion = ioc->spi_data.sdp0version; | |
2629 | hdr.PageLength = data_sz; | |
2630 | hdr.PageNumber = 0; | |
2631 | hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; | |
2632 | ||
69218ee5 | 2633 | cfg.cfghdr.hdr = &hdr; |
1da177e4 LT |
2634 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; |
2635 | cfg.dir = 0; | |
2636 | cfg.timeout = 0; | |
2637 | cfg.physAddr = page_dma; | |
2638 | ||
2639 | cfg.pageAddr = (karg.hdr.channel << 8) | karg.hdr.id; | |
2640 | ||
2641 | if ((rc = mpt_config(ioc, &cfg)) == 0) { | |
2642 | np = le32_to_cpu(pg0_alloc->NegotiatedParameters); | |
2643 | karg.negotiated_width = np & MPI_SCSIDEVPAGE0_NP_WIDE ? | |
2644 | HP_BUS_WIDTH_16 : HP_BUS_WIDTH_8; | |
2645 | ||
2646 | if (np & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK) { | |
2647 | tmp = (np & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK) >> 8; | |
2648 | if (tmp < 0x09) | |
2649 | karg.negotiated_speed = HP_DEV_SPEED_ULTRA320; | |
2650 | else if (tmp <= 0x09) | |
2651 | karg.negotiated_speed = HP_DEV_SPEED_ULTRA160; | |
2652 | else if (tmp <= 0x0A) | |
2653 | karg.negotiated_speed = HP_DEV_SPEED_ULTRA2; | |
2654 | else if (tmp <= 0x0C) | |
2655 | karg.negotiated_speed = HP_DEV_SPEED_ULTRA; | |
2656 | else if (tmp <= 0x25) | |
2657 | karg.negotiated_speed = HP_DEV_SPEED_FAST; | |
2658 | else | |
2659 | karg.negotiated_speed = HP_DEV_SPEED_ASYNC; | |
2660 | } else | |
2661 | karg.negotiated_speed = HP_DEV_SPEED_ASYNC; | |
2662 | } | |
2663 | ||
2664 | pci_free_consistent(ioc->pcidev, data_sz, (u8 *) pg0_alloc, page_dma); | |
2665 | } | |
2666 | ||
2667 | /* Set defaults | |
2668 | */ | |
2669 | karg.message_rejects = -1; | |
2670 | karg.phase_errors = -1; | |
2671 | karg.parity_errors = -1; | |
2672 | karg.select_timeouts = -1; | |
2673 | ||
2674 | /* Get the target error parameters | |
2675 | */ | |
2676 | hdr.PageVersion = 0; | |
2677 | hdr.PageLength = 0; | |
2678 | hdr.PageNumber = 3; | |
2679 | hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; | |
2680 | ||
69218ee5 | 2681 | cfg.cfghdr.hdr = &hdr; |
1da177e4 LT |
2682 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; |
2683 | cfg.dir = 0; | |
2684 | cfg.timeout = 0; | |
2685 | cfg.physAddr = -1; | |
69218ee5 | 2686 | if ((mpt_config(ioc, &cfg) == 0) && (cfg.cfghdr.hdr->PageLength > 0)) { |
1da177e4 LT |
2687 | /* Issue the second config page request */ |
2688 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | |
69218ee5 | 2689 | data_sz = (int) cfg.cfghdr.hdr->PageLength * 4; |
1da177e4 LT |
2690 | pg3_alloc = (SCSIDevicePage3_t *) pci_alloc_consistent( |
2691 | ioc->pcidev, data_sz, &page_dma); | |
2692 | if (pg3_alloc) { | |
2693 | cfg.physAddr = page_dma; | |
2694 | cfg.pageAddr = (karg.hdr.channel << 8) | karg.hdr.id; | |
2695 | if ((rc = mpt_config(ioc, &cfg)) == 0) { | |
2696 | karg.message_rejects = (u32) le16_to_cpu(pg3_alloc->MsgRejectCount); | |
2697 | karg.phase_errors = (u32) le16_to_cpu(pg3_alloc->PhaseErrorCount); | |
2698 | karg.parity_errors = (u32) le16_to_cpu(pg3_alloc->ParityErrorCount); | |
2699 | } | |
2700 | pci_free_consistent(ioc->pcidev, data_sz, (u8 *) pg3_alloc, page_dma); | |
2701 | } | |
2702 | } | |
2703 | hd = (MPT_SCSI_HOST *) ioc->sh->hostdata; | |
2704 | if (hd != NULL) | |
2705 | karg.select_timeouts = hd->sel_timeout[karg.hdr.id]; | |
2706 | ||
2707 | /* Copy the data from kernel memory to user memory | |
2708 | */ | |
2709 | if (copy_to_user((char __user *)arg, &karg, sizeof(hp_target_info_t))) { | |
2710 | printk(KERN_ERR "%s@%d::mptctl_hp_target_info - " | |
2711 | "Unable to write out mpt_ioctl_targetinfo struct @ %p\n", | |
2712 | __FILE__, __LINE__, uarg); | |
2713 | return -EFAULT; | |
2714 | } | |
2715 | ||
2716 | return 0; | |
2717 | } | |
2718 | ||
2719 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
2720 | ||
2721 | static struct file_operations mptctl_fops = { | |
2722 | .owner = THIS_MODULE, | |
2723 | .llseek = no_llseek, | |
ea5a7a82 ME |
2724 | .release = mptctl_release, |
2725 | .fasync = mptctl_fasync, | |
1da177e4 LT |
2726 | .unlocked_ioctl = mptctl_ioctl, |
2727 | #ifdef CONFIG_COMPAT | |
2728 | .compat_ioctl = compat_mpctl_ioctl, | |
2729 | #endif | |
2730 | }; | |
2731 | ||
2732 | static struct miscdevice mptctl_miscdev = { | |
2733 | MPT_MINOR, | |
2734 | MYNAM, | |
2735 | &mptctl_fops | |
2736 | }; | |
2737 | ||
2738 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
2739 | ||
2740 | #ifdef CONFIG_COMPAT | |
2741 | ||
1da177e4 LT |
2742 | static int |
2743 | compat_mptfwxfer_ioctl(struct file *filp, unsigned int cmd, | |
2744 | unsigned long arg) | |
2745 | { | |
2746 | struct mpt_fw_xfer32 kfw32; | |
2747 | struct mpt_fw_xfer kfw; | |
2748 | MPT_ADAPTER *iocp = NULL; | |
2749 | int iocnum, iocnumX; | |
2750 | int nonblock = (filp->f_flags & O_NONBLOCK); | |
2751 | int ret; | |
2752 | ||
2753 | dctlprintk((KERN_INFO MYNAM "::compat_mptfwxfer_ioctl() called\n")); | |
2754 | ||
2755 | if (copy_from_user(&kfw32, (char __user *)arg, sizeof(kfw32))) | |
2756 | return -EFAULT; | |
2757 | ||
2758 | /* Verify intended MPT adapter */ | |
2759 | iocnumX = kfw32.iocnum & 0xFF; | |
2760 | if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) || | |
2761 | (iocp == NULL)) { | |
2762 | dctlprintk((KERN_ERR MYNAM "::compat_mptfwxfer_ioctl @%d - ioc%d not found!\n", | |
2763 | __LINE__, iocnumX)); | |
2764 | return -ENODEV; | |
2765 | } | |
2766 | ||
2767 | if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0) | |
2768 | return ret; | |
2769 | ||
2770 | kfw.iocnum = iocnum; | |
2771 | kfw.fwlen = kfw32.fwlen; | |
2772 | kfw.bufp = compat_ptr(kfw32.bufp); | |
2773 | ||
2774 | ret = mptctl_do_fw_download(kfw.iocnum, kfw.bufp, kfw.fwlen); | |
2775 | ||
eeb846ce | 2776 | mutex_unlock(&iocp->ioctl->ioctl_mutex); |
1da177e4 LT |
2777 | |
2778 | return ret; | |
2779 | } | |
2780 | ||
2781 | static int | |
2782 | compat_mpt_command(struct file *filp, unsigned int cmd, | |
2783 | unsigned long arg) | |
2784 | { | |
2785 | struct mpt_ioctl_command32 karg32; | |
2786 | struct mpt_ioctl_command32 __user *uarg = (struct mpt_ioctl_command32 __user *) arg; | |
2787 | struct mpt_ioctl_command karg; | |
2788 | MPT_ADAPTER *iocp = NULL; | |
2789 | int iocnum, iocnumX; | |
2790 | int nonblock = (filp->f_flags & O_NONBLOCK); | |
2791 | int ret; | |
2792 | ||
2793 | dctlprintk((KERN_INFO MYNAM "::compat_mpt_command() called\n")); | |
2794 | ||
2795 | if (copy_from_user(&karg32, (char __user *)arg, sizeof(karg32))) | |
2796 | return -EFAULT; | |
2797 | ||
2798 | /* Verify intended MPT adapter */ | |
2799 | iocnumX = karg32.hdr.iocnum & 0xFF; | |
2800 | if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) || | |
2801 | (iocp == NULL)) { | |
2802 | dctlprintk((KERN_ERR MYNAM "::compat_mpt_command @%d - ioc%d not found!\n", | |
2803 | __LINE__, iocnumX)); | |
2804 | return -ENODEV; | |
2805 | } | |
2806 | ||
2807 | if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0) | |
2808 | return ret; | |
2809 | ||
2810 | /* Copy data to karg */ | |
2811 | karg.hdr.iocnum = karg32.hdr.iocnum; | |
2812 | karg.hdr.port = karg32.hdr.port; | |
2813 | karg.timeout = karg32.timeout; | |
2814 | karg.maxReplyBytes = karg32.maxReplyBytes; | |
2815 | ||
2816 | karg.dataInSize = karg32.dataInSize; | |
2817 | karg.dataOutSize = karg32.dataOutSize; | |
2818 | karg.maxSenseBytes = karg32.maxSenseBytes; | |
2819 | karg.dataSgeOffset = karg32.dataSgeOffset; | |
2820 | ||
2821 | karg.replyFrameBufPtr = (char __user *)(unsigned long)karg32.replyFrameBufPtr; | |
2822 | karg.dataInBufPtr = (char __user *)(unsigned long)karg32.dataInBufPtr; | |
2823 | karg.dataOutBufPtr = (char __user *)(unsigned long)karg32.dataOutBufPtr; | |
2824 | karg.senseDataPtr = (char __user *)(unsigned long)karg32.senseDataPtr; | |
2825 | ||
2826 | /* Pass new structure to do_mpt_command | |
2827 | */ | |
2828 | ret = mptctl_do_mpt_command (karg, &uarg->MF); | |
2829 | ||
eeb846ce | 2830 | mutex_unlock(&iocp->ioctl->ioctl_mutex); |
1da177e4 LT |
2831 | |
2832 | return ret; | |
2833 | } | |
2834 | ||
2835 | static long compat_mpctl_ioctl(struct file *f, unsigned int cmd, unsigned long arg) | |
2836 | { | |
2837 | long ret; | |
2838 | lock_kernel(); | |
2839 | switch (cmd) { | |
2840 | case MPTIOCINFO: | |
2841 | case MPTIOCINFO1: | |
2842 | case MPTIOCINFO2: | |
2843 | case MPTTARGETINFO: | |
2844 | case MPTEVENTQUERY: | |
2845 | case MPTEVENTENABLE: | |
2846 | case MPTEVENTREPORT: | |
2847 | case MPTHARDRESET: | |
2848 | case HP_GETHOSTINFO: | |
2849 | case HP_GETTARGETINFO: | |
2850 | case MPTTEST: | |
2851 | ret = __mptctl_ioctl(f, cmd, arg); | |
2852 | break; | |
2853 | case MPTCOMMAND32: | |
2854 | ret = compat_mpt_command(f, cmd, arg); | |
2855 | break; | |
2856 | case MPTFWDOWNLOAD32: | |
2857 | ret = compat_mptfwxfer_ioctl(f, cmd, arg); | |
2858 | break; | |
2859 | default: | |
2860 | ret = -ENOIOCTLCMD; | |
2861 | break; | |
2862 | } | |
2863 | unlock_kernel(); | |
2864 | return ret; | |
2865 | } | |
2866 | ||
2867 | #endif | |
2868 | ||
2869 | ||
2870 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
2871 | /* | |
2872 | * mptctl_probe - Installs ioctl devices per bus. | |
2873 | * @pdev: Pointer to pci_dev structure | |
2874 | * | |
2875 | * Returns 0 for success, non-zero for failure. | |
2876 | * | |
2877 | */ | |
2878 | ||
2879 | static int | |
2880 | mptctl_probe(struct pci_dev *pdev, const struct pci_device_id *id) | |
2881 | { | |
2882 | int err; | |
2883 | int sz; | |
2884 | u8 *mem; | |
2885 | MPT_ADAPTER *ioc = pci_get_drvdata(pdev); | |
2886 | ||
2887 | /* | |
2888 | * Allocate and inite a MPT_IOCTL structure | |
2889 | */ | |
2890 | sz = sizeof (MPT_IOCTL); | |
2891 | mem = kmalloc(sz, GFP_KERNEL); | |
2892 | if (mem == NULL) { | |
2893 | err = -ENOMEM; | |
2894 | goto out_fail; | |
2895 | } | |
2896 | ||
2897 | memset(mem, 0, sz); | |
2898 | ioc->ioctl = (MPT_IOCTL *) mem; | |
2899 | ioc->ioctl->ioc = ioc; | |
eeb846ce | 2900 | mutex_init(&ioc->ioctl->ioctl_mutex); |
1da177e4 LT |
2901 | return 0; |
2902 | ||
2903 | out_fail: | |
2904 | ||
2905 | mptctl_remove(pdev); | |
2906 | return err; | |
2907 | } | |
2908 | ||
2909 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
2910 | /* | |
2911 | * mptctl_remove - Removed ioctl devices | |
2912 | * @pdev: Pointer to pci_dev structure | |
2913 | * | |
2914 | * | |
2915 | */ | |
2916 | static void | |
2917 | mptctl_remove(struct pci_dev *pdev) | |
2918 | { | |
2919 | MPT_ADAPTER *ioc = pci_get_drvdata(pdev); | |
2920 | ||
2921 | kfree ( ioc->ioctl ); | |
2922 | } | |
2923 | ||
2924 | static struct mpt_pci_driver mptctl_driver = { | |
2925 | .probe = mptctl_probe, | |
2926 | .remove = mptctl_remove, | |
2927 | }; | |
2928 | ||
2929 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
2930 | static int __init mptctl_init(void) | |
2931 | { | |
2932 | int err; | |
2933 | int where = 1; | |
2934 | ||
2935 | show_mptmod_ver(my_NAME, my_VERSION); | |
2936 | ||
2937 | if(mpt_device_driver_register(&mptctl_driver, | |
2938 | MPTCTL_DRIVER) != 0 ) { | |
2939 | dprintk((KERN_INFO MYNAM | |
2940 | ": failed to register dd callbacks\n")); | |
2941 | } | |
2942 | ||
2943 | /* Register this device */ | |
2944 | err = misc_register(&mptctl_miscdev); | |
2945 | if (err < 0) { | |
2946 | printk(KERN_ERR MYNAM ": Can't register misc device [minor=%d].\n", MPT_MINOR); | |
2947 | goto out_fail; | |
2948 | } | |
2949 | printk(KERN_INFO MYNAM ": Registered with Fusion MPT base driver\n"); | |
2950 | printk(KERN_INFO MYNAM ": /dev/%s @ (major,minor=%d,%d)\n", | |
2951 | mptctl_miscdev.name, MISC_MAJOR, mptctl_miscdev.minor); | |
2952 | ||
2953 | /* | |
2954 | * Install our handler | |
2955 | */ | |
2956 | ++where; | |
2957 | if ((mptctl_id = mpt_register(mptctl_reply, MPTCTL_DRIVER)) < 0) { | |
2958 | printk(KERN_ERR MYNAM ": ERROR: Failed to register with Fusion MPT base driver\n"); | |
2959 | misc_deregister(&mptctl_miscdev); | |
2960 | err = -EBUSY; | |
2961 | goto out_fail; | |
2962 | } | |
2963 | ||
2964 | if (mpt_reset_register(mptctl_id, mptctl_ioc_reset) == 0) { | |
2965 | dprintk((KERN_INFO MYNAM ": Registered for IOC reset notifications\n")); | |
2966 | } else { | |
2967 | /* FIXME! */ | |
2968 | } | |
2969 | ||
ea5a7a82 | 2970 | if (mpt_event_register(mptctl_id, mptctl_event_process) == 0) { |
3a892bef | 2971 | devtverboseprintk((KERN_INFO MYNAM |
ea5a7a82 ME |
2972 | ": Registered for IOC event notifications\n")); |
2973 | } | |
2974 | ||
1da177e4 LT |
2975 | return 0; |
2976 | ||
2977 | out_fail: | |
2978 | ||
2979 | mpt_device_driver_deregister(MPTCTL_DRIVER); | |
2980 | ||
2981 | return err; | |
2982 | } | |
2983 | ||
2984 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
2985 | static void mptctl_exit(void) | |
2986 | { | |
2987 | misc_deregister(&mptctl_miscdev); | |
2988 | printk(KERN_INFO MYNAM ": Deregistered /dev/%s @ (major,minor=%d,%d)\n", | |
2989 | mptctl_miscdev.name, MISC_MAJOR, mptctl_miscdev.minor); | |
2990 | ||
2991 | /* De-register reset handler from base module */ | |
2992 | mpt_reset_deregister(mptctl_id); | |
2993 | dprintk((KERN_INFO MYNAM ": Deregistered for IOC reset notifications\n")); | |
2994 | ||
2995 | /* De-register callback handler from base module */ | |
2996 | mpt_deregister(mptctl_id); | |
2997 | printk(KERN_INFO MYNAM ": Deregistered from Fusion MPT base driver\n"); | |
2998 | ||
2999 | mpt_device_driver_deregister(MPTCTL_DRIVER); | |
3000 | ||
3001 | } | |
3002 | ||
3003 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
3004 | ||
3005 | module_init(mptctl_init); | |
3006 | module_exit(mptctl_exit); |