1 | /* |
2 | * linux/drivers/message/fusion/mptspi.c |
3 | * For use with LSI PCI chip/adapter(s) |
4 | * running LSI Fusion MPT (Message Passing Technology) firmware. |
5 | * |
6 | * Copyright (c) 1999-2008 LSI Corporation |
7 | * (mailto:DL-MPTFusionLinux@lsi.com) |
8 | * |
9 | */ |
10 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
11 | /* |
12 | This program is free software; you can redistribute it and/or modify |
13 | it under the terms of the GNU General Public License as published by |
14 | the Free Software Foundation; version 2 of the License. |
15 | |
16 | This program is distributed in the hope that it will be useful, |
17 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
19 | GNU General Public License for more details. |
20 | |
21 | NO WARRANTY |
22 | THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR |
23 | CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT |
24 | LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, |
25 | MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is |
26 | solely responsible for determining the appropriateness of using and |
27 | distributing the Program and assumes all risks associated with its |
28 | exercise of rights under this Agreement, including but not limited to |
29 | the risks and costs of program errors, damage to or loss of data, |
30 | programs or equipment, and unavailability or interruption of operations. |
31 | |
32 | DISCLAIMER OF LIABILITY |
33 | NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY |
34 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
35 | DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND |
36 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR |
37 | TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE |
38 | USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED |
39 | HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES |
40 | |
41 | You should have received a copy of the GNU General Public License |
42 | along with this program; if not, write to the Free Software |
43 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
44 | */ |
45 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
46 | |
47 | #include <linux/module.h> |
48 | #include <linux/kernel.h> |
49 | #include <linux/slab.h> |
50 | #include <linux/init.h> |
51 | #include <linux/errno.h> |
52 | #include <linux/kdev_t.h> |
53 | #include <linux/blkdev.h> |
54 | #include <linux/delay.h> /* for mdelay */ |
55 | #include <linux/interrupt.h> |
56 | #include <linux/reboot.h> /* notifier code */ |
57 | #include <linux/workqueue.h> |
58 | #include <linux/raid_class.h> |
59 | |
60 | #include <scsi/scsi.h> |
61 | #include <scsi/scsi_cmnd.h> |
62 | #include <scsi/scsi_device.h> |
63 | #include <scsi/scsi_host.h> |
64 | #include <scsi/scsi_tcq.h> |
65 | #include <scsi/scsi_transport.h> |
66 | #include <scsi/scsi_transport_spi.h> |
67 | #include <scsi/scsi_dbg.h> |
68 | |
69 | #include "mptbase.h" |
70 | #include "mptscsih.h" |
71 | |
72 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
73 | #define my_NAME "Fusion MPT SPI Host driver" |
74 | #define my_VERSION MPT_LINUX_VERSION_COMMON |
75 | #define MYNAM "mptspi" |
76 | |
77 | MODULE_AUTHOR(MODULEAUTHOR); |
78 | MODULE_DESCRIPTION(my_NAME); |
79 | MODULE_LICENSE("GPL" ); |
80 | MODULE_VERSION(my_VERSION); |
81 | |
82 | /* Command line args */ |
83 | static int mpt_saf_te = MPTSCSIH_SAF_TE; |
84 | module_param(mpt_saf_te, int, 0); |
85 | MODULE_PARM_DESC(mpt_saf_te, " Force enabling SEP Processor: enable=1 (default=MPTSCSIH_SAF_TE=0)" ); |
86 | |
87 | static void mptspi_write_offset(struct scsi_target *, int); |
88 | static void mptspi_write_width(struct scsi_target *, int); |
89 | static int mptspi_write_spi_device_pg1(struct scsi_target *, |
90 | struct _CONFIG_PAGE_SCSI_DEVICE_1 *); |
91 | |
92 | static struct scsi_transport_template *mptspi_transport_template = NULL; |
93 | |
94 | static u8 mptspiDoneCtx = MPT_MAX_PROTOCOL_DRIVERS; |
95 | static u8 mptspiTaskCtx = MPT_MAX_PROTOCOL_DRIVERS; |
96 | static u8 mptspiInternalCtx = MPT_MAX_PROTOCOL_DRIVERS; /* Used only for internal commands */ |
97 | |
98 | /** |
99 | * mptspi_setTargetNegoParms - Update the target negotiation parameters |
100 | * @hd: Pointer to a SCSI Host Structure |
101 | * @target: per target private data |
102 | * @sdev: SCSI device |
103 | * |
104 | * Update the target negotiation parameters based on the Inquiry |
105 | * data, adapter capabilities, and NVRAM settings. |
106 | **/ |
107 | static void |
108 | mptspi_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtTarget *target, |
109 | struct scsi_device *sdev) |
110 | { |
111 | MPT_ADAPTER *ioc = hd->ioc; |
112 | SpiCfgData *pspi_data = &ioc->spi_data; |
113 | int id = (int) target->id; |
114 | int nvram; |
115 | u8 width = MPT_NARROW; |
116 | u8 factor = MPT_ASYNC; |
117 | u8 offset = 0; |
118 | u8 nfactor; |
119 | u8 noQas = 1; |
120 | |
121 | target->negoFlags = pspi_data->noQas; |
122 | |
123 | if (sdev->scsi_level < SCSI_2) { |
124 | width = 0; |
125 | factor = MPT_ULTRA2; |
126 | offset = pspi_data->maxSyncOffset; |
127 | target->tflags &= ~MPT_TARGET_FLAGS_Q_YES; |
128 | } else { |
129 | if (scsi_device_wide(sdev)) |
130 | width = 1; |
131 | |
132 | if (scsi_device_sync(sdev)) { |
133 | factor = pspi_data->minSyncFactor; |
134 | if (!scsi_device_dt(sdev)) |
135 | factor = MPT_ULTRA2; |
136 | else { |
137 | if (!scsi_device_ius(sdev) && |
138 | !scsi_device_qas(sdev)) |
139 | factor = MPT_ULTRA160; |
140 | else { |
141 | factor = MPT_ULTRA320; |
142 | if (scsi_device_qas(sdev)) { |
143 | ddvprintk(ioc, |
144 | printk(MYIOC_s_DEBUG_FMT "Enabling QAS due to " |
145 | "byte56=%02x on id=%d!\n" , ioc->name, |
146 | scsi_device_qas(sdev), id)); |
147 | noQas = 0; |
148 | } |
149 | if (sdev->type == TYPE_TAPE && |
150 | scsi_device_ius(sdev)) |
151 | target->negoFlags |= MPT_TAPE_NEGO_IDP; |
152 | } |
153 | } |
154 | offset = pspi_data->maxSyncOffset; |
155 | |
156 | /* If RAID, never disable QAS |
157 | * else if non RAID, do not disable |
158 | * QAS if bit 1 is set |
159 | * bit 1 QAS support, non-raid only |
160 | * bit 0 IU support |
161 | */ |
162 | if (target->raidVolume == 1) |
163 | noQas = 0; |
164 | } else { |
165 | factor = MPT_ASYNC; |
166 | offset = 0; |
167 | } |
168 | } |
169 | |
170 | if (!sdev->tagged_supported) |
171 | target->tflags &= ~MPT_TARGET_FLAGS_Q_YES; |
172 | |
173 | /* Update tflags based on NVRAM settings. (SCSI only) |
174 | */ |
175 | if (pspi_data->nvram && (pspi_data->nvram[id] != MPT_HOST_NVRAM_INVALID)) { |
176 | nvram = pspi_data->nvram[id]; |
177 | nfactor = (nvram & MPT_NVRAM_SYNC_MASK) >> 8; |
178 | |
179 | if (width) |
180 | width = nvram & MPT_NVRAM_WIDE_DISABLE ? 0 : 1; |
181 | |
182 | if (offset > 0) { |
183 | /* Ensure factor is set to the |
184 | * maximum of: adapter, nvram, inquiry |
185 | */ |
186 | if (nfactor) { |
187 | if (nfactor < pspi_data->minSyncFactor ) |
188 | nfactor = pspi_data->minSyncFactor; |
189 | |
190 | factor = max(factor, nfactor); |
191 | if (factor == MPT_ASYNC) |
192 | offset = 0; |
193 | } else { |
194 | offset = 0; |
195 | factor = MPT_ASYNC; |
196 | } |
197 | } else { |
198 | factor = MPT_ASYNC; |
199 | } |
200 | } |
201 | |
202 | /* Make sure data is consistent |
203 | */ |
204 | if ((!width) && (factor < MPT_ULTRA2)) |
205 | factor = MPT_ULTRA2; |
206 | |
207 | /* Save the data to the target structure. |
208 | */ |
209 | target->minSyncFactor = factor; |
210 | target->maxOffset = offset; |
211 | target->maxWidth = width; |
212 | |
213 | spi_min_period(scsi_target(sdev)) = factor; |
214 | spi_max_offset(scsi_target(sdev)) = offset; |
215 | spi_max_width(scsi_target(sdev)) = width; |
216 | |
217 | target->tflags |= MPT_TARGET_FLAGS_VALID_NEGO; |
218 | |
219 | /* Disable unused features. |
220 | */ |
221 | if (!width) |
222 | target->negoFlags |= MPT_TARGET_NO_NEGO_WIDE; |
223 | |
224 | if (!offset) |
225 | target->negoFlags |= MPT_TARGET_NO_NEGO_SYNC; |
226 | |
227 | if ( factor > MPT_ULTRA320 ) |
228 | noQas = 0; |
229 | |
230 | if (noQas && (pspi_data->noQas == 0)) { |
231 | pspi_data->noQas |= MPT_TARGET_NO_NEGO_QAS; |
232 | target->negoFlags |= MPT_TARGET_NO_NEGO_QAS; |
233 | |
234 | /* Disable QAS in a mixed configuration case |
235 | */ |
236 | |
237 | ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
238 | "Disabling QAS due to noQas=%02x on id=%d!\n" , ioc->name, noQas, id)); |
239 | } |
240 | } |
241 | |
242 | /** |
243 | * mptspi_writeIOCPage4 - write IOC Page 4 |
244 | * @hd: Pointer to a SCSI Host Structure |
245 | * @channel: channel number |
246 | * @id: write IOC Page4 for this ID & Bus |
247 | * |
248 | * Return: -EAGAIN if unable to obtain a Message Frame |
249 | * or 0 if success. |
250 | * |
251 | * Remark: We do not wait for a return, write pages sequentially. |
252 | **/ |
253 | static int |
254 | mptspi_writeIOCPage4(MPT_SCSI_HOST *hd, u8 channel , u8 id) |
255 | { |
256 | MPT_ADAPTER *ioc = hd->ioc; |
257 | Config_t *pReq; |
258 | IOCPage4_t *IOCPage4Ptr; |
259 | MPT_FRAME_HDR *mf; |
260 | dma_addr_t dataDma; |
261 | u32 flagsLength; |
262 | int ii; |
263 | |
264 | /* Get a MF for this command. |
265 | */ |
266 | if ((mf = mpt_get_msg_frame(cb_idx: ioc->DoneCtx, ioc)) == NULL) { |
267 | dfailprintk(ioc, printk(MYIOC_s_WARN_FMT |
268 | "writeIOCPage4 : no msg frames!\n" ,ioc->name)); |
269 | return -EAGAIN; |
270 | } |
271 | |
272 | /* Set the request and the data pointers. |
273 | * Place data at end of MF. |
274 | */ |
275 | pReq = (Config_t *)mf; |
276 | |
277 | /* Complete the request frame (same for all requests). |
278 | */ |
279 | pReq->Action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT; |
280 | pReq->Reserved = 0; |
281 | pReq->ChainOffset = 0; |
282 | pReq->Function = MPI_FUNCTION_CONFIG; |
283 | pReq->ExtPageLength = 0; |
284 | pReq->ExtPageType = 0; |
285 | pReq->MsgFlags = 0; |
286 | for (ii=0; ii < 8; ii++) { |
287 | pReq->Reserved2[ii] = 0; |
288 | } |
289 | |
290 | IOCPage4Ptr = ioc->spi_data.pIocPg4; |
291 | dataDma = ioc->spi_data.IocPg4_dma; |
292 | ii = IOCPage4Ptr->ActiveSEP++; |
293 | IOCPage4Ptr->SEP[ii].SEPTargetID = id; |
294 | IOCPage4Ptr->SEP[ii].SEPBus = channel; |
295 | pReq->Header = IOCPage4Ptr->Header; |
296 | pReq->PageAddress = cpu_to_le32(id | (channel << 8 )); |
297 | |
298 | /* Add a SGE to the config request. |
299 | */ |
300 | flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE | |
301 | (IOCPage4Ptr->Header.PageLength + ii) * 4; |
302 | |
303 | ioc->add_sge((char *)&pReq->PageBufferSGE, flagsLength, dataDma); |
304 | |
305 | ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
306 | "writeIOCPage4: MaxSEP=%d ActiveSEP=%d id=%d bus=%d\n" , |
307 | ioc->name, IOCPage4Ptr->MaxSEP, IOCPage4Ptr->ActiveSEP, id, channel)); |
308 | |
309 | mpt_put_msg_frame(cb_idx: ioc->DoneCtx, ioc, mf); |
310 | |
311 | return 0; |
312 | } |
313 | |
314 | /** |
315 | * mptspi_initTarget - Target, LUN alloc/free functionality. |
316 | * @hd: Pointer to MPT_SCSI_HOST structure |
317 | * @vtarget: per target private data |
318 | * @sdev: SCSI device |
319 | * |
320 | * NOTE: It's only SAFE to call this routine if data points to |
321 | * sane & valid STANDARD INQUIRY data! |
322 | * |
323 | * Allocate and initialize memory for this target. |
324 | * Save inquiry data. |
325 | * |
326 | **/ |
327 | static void |
328 | mptspi_initTarget(MPT_SCSI_HOST *hd, VirtTarget *vtarget, |
329 | struct scsi_device *sdev) |
330 | { |
331 | |
332 | /* Is LUN supported? If so, upper 2 bits will be 0 |
333 | * in first byte of inquiry data. |
334 | */ |
335 | if (sdev->inq_periph_qual != 0) |
336 | return; |
337 | |
338 | if (vtarget == NULL) |
339 | return; |
340 | |
341 | vtarget->type = sdev->type; |
342 | |
343 | if ((sdev->type == TYPE_PROCESSOR) && (hd->ioc->spi_data.Saf_Te)) { |
344 | /* Treat all Processors as SAF-TE if |
345 | * command line option is set */ |
346 | vtarget->tflags |= MPT_TARGET_FLAGS_SAF_TE_ISSUED; |
347 | mptspi_writeIOCPage4(hd, channel: vtarget->channel, id: vtarget->id); |
348 | }else if ((sdev->type == TYPE_PROCESSOR) && |
349 | !(vtarget->tflags & MPT_TARGET_FLAGS_SAF_TE_ISSUED )) { |
350 | if (sdev->inquiry_len > 49 ) { |
351 | if (sdev->inquiry[44] == 'S' && |
352 | sdev->inquiry[45] == 'A' && |
353 | sdev->inquiry[46] == 'F' && |
354 | sdev->inquiry[47] == '-' && |
355 | sdev->inquiry[48] == 'T' && |
356 | sdev->inquiry[49] == 'E' ) { |
357 | vtarget->tflags |= MPT_TARGET_FLAGS_SAF_TE_ISSUED; |
358 | mptspi_writeIOCPage4(hd, channel: vtarget->channel, id: vtarget->id); |
359 | } |
360 | } |
361 | } |
362 | mptspi_setTargetNegoParms(hd, target: vtarget, sdev); |
363 | } |
364 | |
365 | /** |
366 | * mptspi_is_raid - Determines whether target is belonging to volume |
367 | * @hd: Pointer to a SCSI HOST structure |
368 | * @id: target device id |
369 | * |
370 | * Return: |
371 | * non-zero = true |
372 | * zero = false |
373 | * |
374 | */ |
375 | static int |
376 | mptspi_is_raid(struct _MPT_SCSI_HOST *hd, u32 id) |
377 | { |
378 | int i, rc = 0; |
379 | MPT_ADAPTER *ioc = hd->ioc; |
380 | |
381 | if (!ioc->raid_data.pIocPg2) |
382 | goto out; |
383 | |
384 | if (!ioc->raid_data.pIocPg2->NumActiveVolumes) |
385 | goto out; |
386 | for (i=0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) { |
387 | if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID == id) { |
388 | rc = 1; |
389 | goto out; |
390 | } |
391 | } |
392 | |
393 | out: |
394 | return rc; |
395 | } |
396 | |
397 | static int mptspi_target_alloc(struct scsi_target *starget) |
398 | { |
399 | struct Scsi_Host *shost = dev_to_shost(dev: &starget->dev); |
400 | struct _MPT_SCSI_HOST *hd = shost_priv(shost); |
401 | VirtTarget *vtarget; |
402 | MPT_ADAPTER *ioc; |
403 | |
404 | if (hd == NULL) |
405 | return -ENODEV; |
406 | |
407 | ioc = hd->ioc; |
408 | vtarget = kzalloc(size: sizeof(VirtTarget), GFP_KERNEL); |
409 | if (!vtarget) |
410 | return -ENOMEM; |
411 | |
412 | vtarget->ioc_id = ioc->id; |
413 | vtarget->tflags = MPT_TARGET_FLAGS_Q_YES; |
414 | vtarget->id = (u8)starget->id; |
415 | vtarget->channel = (u8)starget->channel; |
416 | vtarget->starget = starget; |
417 | starget->hostdata = vtarget; |
418 | |
419 | if (starget->channel == 1) { |
420 | if (mptscsih_is_phys_disk(ioc, channel: 0, id: starget->id) == 0) |
421 | return 0; |
422 | vtarget->tflags |= MPT_TARGET_FLAGS_RAID_COMPONENT; |
423 | /* The real channel for this device is zero */ |
424 | vtarget->channel = 0; |
425 | /* The actual physdisknum (for RAID passthrough) */ |
426 | vtarget->id = mptscsih_raid_id_to_num(ioc, channel: 0, |
427 | id: starget->id); |
428 | } |
429 | |
430 | if (starget->channel == 0 && |
431 | mptspi_is_raid(hd, id: starget->id)) { |
432 | vtarget->raidVolume = 1; |
433 | ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
434 | "RAID Volume @ channel=%d id=%d\n" , ioc->name, starget->channel, |
435 | starget->id)); |
436 | } |
437 | |
438 | if (ioc->spi_data.nvram && |
439 | ioc->spi_data.nvram[starget->id] != MPT_HOST_NVRAM_INVALID) { |
440 | u32 nvram = ioc->spi_data.nvram[starget->id]; |
441 | spi_min_period(starget) = (nvram & MPT_NVRAM_SYNC_MASK) >> MPT_NVRAM_SYNC_SHIFT; |
442 | spi_max_width(starget) = nvram & MPT_NVRAM_WIDE_DISABLE ? 0 : 1; |
443 | } else { |
444 | spi_min_period(starget) = ioc->spi_data.minSyncFactor; |
445 | spi_max_width(starget) = ioc->spi_data.maxBusWidth; |
446 | } |
447 | spi_max_offset(starget) = ioc->spi_data.maxSyncOffset; |
448 | |
449 | spi_offset(starget) = 0; |
450 | spi_period(starget) = 0xFF; |
451 | mptspi_write_width(starget, 0); |
452 | |
453 | return 0; |
454 | } |
455 | |
456 | static void |
457 | mptspi_target_destroy(struct scsi_target *starget) |
458 | { |
459 | kfree(objp: starget->hostdata); |
460 | starget->hostdata = NULL; |
461 | } |
462 | |
463 | /** |
464 | * mptspi_print_write_nego - negotiation parameters debug info that is being sent |
465 | * @hd: Pointer to a SCSI HOST structure |
466 | * @starget: SCSI target |
467 | * @ii: negotiation parameters |
468 | * |
469 | */ |
470 | static void |
471 | mptspi_print_write_nego(struct _MPT_SCSI_HOST *hd, struct scsi_target *starget, u32 ii) |
472 | { |
473 | ddvprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT "id=%d Requested = 0x%08x" |
474 | " ( %s factor = 0x%02x @ offset = 0x%02x %s%s%s%s%s%s%s%s)\n" , |
475 | hd->ioc->name, starget->id, ii, |
476 | ii & MPI_SCSIDEVPAGE0_NP_WIDE ? "Wide " : "" , |
477 | ((ii >> 8) & 0xFF), ((ii >> 16) & 0xFF), |
478 | ii & MPI_SCSIDEVPAGE0_NP_IU ? "IU " : "" , |
479 | ii & MPI_SCSIDEVPAGE0_NP_DT ? "DT " : "" , |
480 | ii & MPI_SCSIDEVPAGE0_NP_QAS ? "QAS " : "" , |
481 | ii & MPI_SCSIDEVPAGE0_NP_HOLD_MCS ? "HOLDMCS " : "" , |
482 | ii & MPI_SCSIDEVPAGE0_NP_WR_FLOW ? "WRFLOW " : "" , |
483 | ii & MPI_SCSIDEVPAGE0_NP_RD_STRM ? "RDSTRM " : "" , |
484 | ii & MPI_SCSIDEVPAGE0_NP_RTI ? "RTI " : "" , |
485 | ii & MPI_SCSIDEVPAGE0_NP_PCOMP_EN ? "PCOMP " : "" )); |
486 | } |
487 | |
488 | /** |
489 | * mptspi_print_read_nego - negotiation parameters debug info that is being read |
490 | * @hd: Pointer to a SCSI HOST structure |
491 | * @starget: SCSI target |
492 | * @ii: negotiation parameters |
493 | * |
494 | */ |
495 | static void |
496 | mptspi_print_read_nego(struct _MPT_SCSI_HOST *hd, struct scsi_target *starget, u32 ii) |
497 | { |
498 | ddvprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT "id=%d Read = 0x%08x" |
499 | " ( %s factor = 0x%02x @ offset = 0x%02x %s%s%s%s%s%s%s%s)\n" , |
500 | hd->ioc->name, starget->id, ii, |
501 | ii & MPI_SCSIDEVPAGE0_NP_WIDE ? "Wide " : "" , |
502 | ((ii >> 8) & 0xFF), ((ii >> 16) & 0xFF), |
503 | ii & MPI_SCSIDEVPAGE0_NP_IU ? "IU " : "" , |
504 | ii & MPI_SCSIDEVPAGE0_NP_DT ? "DT " : "" , |
505 | ii & MPI_SCSIDEVPAGE0_NP_QAS ? "QAS " : "" , |
506 | ii & MPI_SCSIDEVPAGE0_NP_HOLD_MCS ? "HOLDMCS " : "" , |
507 | ii & MPI_SCSIDEVPAGE0_NP_WR_FLOW ? "WRFLOW " : "" , |
508 | ii & MPI_SCSIDEVPAGE0_NP_RD_STRM ? "RDSTRM " : "" , |
509 | ii & MPI_SCSIDEVPAGE0_NP_RTI ? "RTI " : "" , |
510 | ii & MPI_SCSIDEVPAGE0_NP_PCOMP_EN ? "PCOMP " : "" )); |
511 | } |
512 | |
513 | static int mptspi_read_spi_device_pg0(struct scsi_target *starget, |
514 | struct _CONFIG_PAGE_SCSI_DEVICE_0 *pass_pg0) |
515 | { |
516 | struct Scsi_Host *shost = dev_to_shost(dev: &starget->dev); |
517 | struct _MPT_SCSI_HOST *hd = shost_priv(shost); |
518 | struct _MPT_ADAPTER *ioc = hd->ioc; |
519 | struct _CONFIG_PAGE_SCSI_DEVICE_0 *spi_dev_pg0; |
520 | dma_addr_t spi_dev_pg0_dma; |
521 | int size; |
522 | struct _x_config_parms cfg; |
523 | struct _CONFIG_PAGE_HEADER hdr; |
524 | int err = -EBUSY; |
525 | |
526 | /* No SPI parameters for RAID devices */ |
527 | if (starget->channel == 0 && |
528 | mptspi_is_raid(hd, id: starget->id)) |
529 | return -1; |
530 | |
531 | size = ioc->spi_data.sdp0length * 4; |
532 | /* |
533 | if (ioc->spi_data.sdp0length & 1) |
534 | size += size + 4; |
535 | size += 2048; |
536 | */ |
537 | |
538 | spi_dev_pg0 = dma_alloc_coherent(dev: &ioc->pcidev->dev, size, dma_handle: &spi_dev_pg0_dma, GFP_KERNEL); |
539 | if (spi_dev_pg0 == NULL) { |
540 | starget_printk(KERN_ERR, starget, MYIOC_s_FMT |
541 | "dma_alloc_coherent for parameters failed\n" , ioc->name); |
542 | return -EINVAL; |
543 | } |
544 | |
545 | memset(&hdr, 0, sizeof(hdr)); |
546 | |
547 | hdr.PageVersion = ioc->spi_data.sdp0version; |
548 | hdr.PageLength = ioc->spi_data.sdp0length; |
549 | hdr.PageNumber = 0; |
550 | hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; |
551 | |
552 | memset(&cfg, 0, sizeof(cfg)); |
553 | |
554 | cfg.cfghdr.hdr = &hdr; |
555 | cfg.physAddr = spi_dev_pg0_dma; |
556 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; |
557 | cfg.dir = 0; |
558 | cfg.pageAddr = starget->id; |
559 | cfg.timeout = 60; |
560 | |
561 | if (mpt_config(ioc, cfg: &cfg)) { |
562 | starget_printk(KERN_ERR, starget, MYIOC_s_FMT "mpt_config failed\n" , ioc->name); |
563 | goto out_free; |
564 | } |
565 | err = 0; |
566 | memcpy(pass_pg0, spi_dev_pg0, size); |
567 | |
568 | mptspi_print_read_nego(hd, starget, le32_to_cpu(spi_dev_pg0->NegotiatedParameters)); |
569 | |
570 | out_free: |
571 | dma_free_coherent(dev: &ioc->pcidev->dev, size, cpu_addr: spi_dev_pg0, dma_handle: spi_dev_pg0_dma); |
572 | return err; |
573 | } |
574 | |
575 | static u32 mptspi_getRP(struct scsi_target *starget) |
576 | { |
577 | u32 nego = 0; |
578 | |
579 | nego |= spi_iu(starget) ? MPI_SCSIDEVPAGE1_RP_IU : 0; |
580 | nego |= spi_dt(starget) ? MPI_SCSIDEVPAGE1_RP_DT : 0; |
581 | nego |= spi_qas(starget) ? MPI_SCSIDEVPAGE1_RP_QAS : 0; |
582 | nego |= spi_hold_mcs(starget) ? MPI_SCSIDEVPAGE1_RP_HOLD_MCS : 0; |
583 | nego |= spi_wr_flow(starget) ? MPI_SCSIDEVPAGE1_RP_WR_FLOW : 0; |
584 | nego |= spi_rd_strm(starget) ? MPI_SCSIDEVPAGE1_RP_RD_STRM : 0; |
585 | nego |= spi_rti(starget) ? MPI_SCSIDEVPAGE1_RP_RTI : 0; |
586 | nego |= spi_pcomp_en(starget) ? MPI_SCSIDEVPAGE1_RP_PCOMP_EN : 0; |
587 | |
588 | nego |= (spi_period(starget) << MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD) & MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK; |
589 | nego |= (spi_offset(starget) << MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET) & MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK; |
590 | nego |= spi_width(starget) ? MPI_SCSIDEVPAGE1_RP_WIDE : 0; |
591 | |
592 | return nego; |
593 | } |
594 | |
595 | static void mptspi_read_parameters(struct scsi_target *starget) |
596 | { |
597 | int nego; |
598 | struct _CONFIG_PAGE_SCSI_DEVICE_0 spi_dev_pg0; |
599 | |
600 | mptspi_read_spi_device_pg0(starget, pass_pg0: &spi_dev_pg0); |
601 | |
602 | nego = le32_to_cpu(spi_dev_pg0.NegotiatedParameters); |
603 | |
604 | spi_iu(starget) = (nego & MPI_SCSIDEVPAGE0_NP_IU) ? 1 : 0; |
605 | spi_dt(starget) = (nego & MPI_SCSIDEVPAGE0_NP_DT) ? 1 : 0; |
606 | spi_qas(starget) = (nego & MPI_SCSIDEVPAGE0_NP_QAS) ? 1 : 0; |
607 | spi_wr_flow(starget) = (nego & MPI_SCSIDEVPAGE0_NP_WR_FLOW) ? 1 : 0; |
608 | spi_rd_strm(starget) = (nego & MPI_SCSIDEVPAGE0_NP_RD_STRM) ? 1 : 0; |
609 | spi_rti(starget) = (nego & MPI_SCSIDEVPAGE0_NP_RTI) ? 1 : 0; |
610 | spi_pcomp_en(starget) = (nego & MPI_SCSIDEVPAGE0_NP_PCOMP_EN) ? 1 : 0; |
611 | spi_hold_mcs(starget) = (nego & MPI_SCSIDEVPAGE0_NP_HOLD_MCS) ? 1 : 0; |
612 | spi_period(starget) = (nego & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK) >> MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_PERIOD; |
613 | spi_offset(starget) = (nego & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK) >> MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_OFFSET; |
614 | spi_width(starget) = (nego & MPI_SCSIDEVPAGE0_NP_WIDE) ? 1 : 0; |
615 | } |
616 | |
617 | static int |
618 | mptscsih_quiesce_raid(MPT_SCSI_HOST *hd, int quiesce, u8 channel, u8 id) |
619 | { |
620 | MPT_ADAPTER *ioc = hd->ioc; |
621 | MpiRaidActionRequest_t *pReq; |
622 | MPT_FRAME_HDR *mf; |
623 | int ret; |
624 | unsigned long timeleft; |
625 | |
626 | mutex_lock(&ioc->internal_cmds.mutex); |
627 | |
628 | /* Get and Populate a free Frame |
629 | */ |
630 | if ((mf = mpt_get_msg_frame(cb_idx: ioc->InternalCtx, ioc)) == NULL) { |
631 | dfailprintk(hd->ioc, printk(MYIOC_s_WARN_FMT |
632 | "%s: no msg frames!\n" , ioc->name, __func__)); |
633 | ret = -EAGAIN; |
634 | goto out; |
635 | } |
636 | pReq = (MpiRaidActionRequest_t *)mf; |
637 | if (quiesce) |
638 | pReq->Action = MPI_RAID_ACTION_QUIESCE_PHYS_IO; |
639 | else |
640 | pReq->Action = MPI_RAID_ACTION_ENABLE_PHYS_IO; |
641 | pReq->Reserved1 = 0; |
642 | pReq->ChainOffset = 0; |
643 | pReq->Function = MPI_FUNCTION_RAID_ACTION; |
644 | pReq->VolumeID = id; |
645 | pReq->VolumeBus = channel; |
646 | pReq->PhysDiskNum = 0; |
647 | pReq->MsgFlags = 0; |
648 | pReq->Reserved2 = 0; |
649 | pReq->ActionDataWord = 0; /* Reserved for this action */ |
650 | |
651 | ioc->add_sge((char *)&pReq->ActionDataSGE, |
652 | MPT_SGE_FLAGS_SSIMPLE_READ | 0, (dma_addr_t) -1); |
653 | |
654 | ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RAID Volume action=%x channel=%d id=%d\n" , |
655 | ioc->name, pReq->Action, channel, id)); |
656 | |
657 | INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status) |
658 | mpt_put_msg_frame(cb_idx: ioc->InternalCtx, ioc, mf); |
659 | timeleft = wait_for_completion_timeout(x: &ioc->internal_cmds.done, timeout: 10*HZ); |
660 | if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { |
661 | ret = -ETIME; |
662 | dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: TIMED OUT!\n" , |
663 | ioc->name, __func__)); |
664 | if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) |
665 | goto out; |
666 | if (!timeleft) { |
667 | printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n" , |
668 | ioc->name, __func__); |
669 | mpt_HardResetHandler(ioc, CAN_SLEEP); |
670 | mpt_free_msg_frame(ioc, mf); |
671 | } |
672 | goto out; |
673 | } |
674 | |
675 | ret = ioc->internal_cmds.completion_code; |
676 | |
677 | out: |
678 | CLEAR_MGMT_STATUS(ioc->internal_cmds.status) |
679 | mutex_unlock(lock: &ioc->internal_cmds.mutex); |
680 | return ret; |
681 | } |
682 | |
683 | static void mptspi_dv_device(struct _MPT_SCSI_HOST *hd, |
684 | struct scsi_device *sdev) |
685 | { |
686 | VirtTarget *vtarget = scsi_target(sdev)->hostdata; |
687 | MPT_ADAPTER *ioc = hd->ioc; |
688 | |
689 | /* no DV on RAID devices */ |
690 | if (sdev->channel == 0 && |
691 | mptspi_is_raid(hd, id: sdev->id)) |
692 | return; |
693 | |
694 | /* If this is a piece of a RAID, then quiesce first */ |
695 | if (sdev->channel == 1 && |
696 | mptscsih_quiesce_raid(hd, quiesce: 1, channel: vtarget->channel, id: vtarget->id) < 0) { |
697 | starget_printk(KERN_ERR, scsi_target(sdev), MYIOC_s_FMT |
698 | "Integrated RAID quiesce failed\n" , ioc->name); |
699 | return; |
700 | } |
701 | |
702 | hd->spi_pending |= (1 << sdev->id); |
703 | spi_dv_device(sdev); |
704 | hd->spi_pending &= ~(1 << sdev->id); |
705 | |
706 | if (sdev->channel == 1 && |
707 | mptscsih_quiesce_raid(hd, quiesce: 0, channel: vtarget->channel, id: vtarget->id) < 0) |
708 | starget_printk(KERN_ERR, scsi_target(sdev), MYIOC_s_FMT |
709 | "Integrated RAID resume failed\n" , ioc->name); |
710 | |
711 | mptspi_read_parameters(starget: sdev->sdev_target); |
712 | spi_display_xfer_agreement(sdev->sdev_target); |
713 | mptspi_read_parameters(starget: sdev->sdev_target); |
714 | } |
715 | |
716 | static int mptspi_slave_alloc(struct scsi_device *sdev) |
717 | { |
718 | MPT_SCSI_HOST *hd = shost_priv(shost: sdev->host); |
719 | VirtTarget *vtarget; |
720 | VirtDevice *vdevice; |
721 | struct scsi_target *starget; |
722 | MPT_ADAPTER *ioc = hd->ioc; |
723 | |
724 | if (sdev->channel == 1 && |
725 | mptscsih_is_phys_disk(ioc, channel: 0, id: sdev->id) == 0) |
726 | return -ENXIO; |
727 | |
728 | vdevice = kzalloc(size: sizeof(VirtDevice), GFP_KERNEL); |
729 | if (!vdevice) { |
730 | printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n" , |
731 | ioc->name, sizeof(VirtDevice)); |
732 | return -ENOMEM; |
733 | } |
734 | |
735 | vdevice->lun = sdev->lun; |
736 | sdev->hostdata = vdevice; |
737 | |
738 | starget = scsi_target(sdev); |
739 | vtarget = starget->hostdata; |
740 | vdevice->vtarget = vtarget; |
741 | vtarget->num_luns++; |
742 | |
743 | if (sdev->channel == 1) |
744 | sdev->no_uld_attach = 1; |
745 | |
746 | return 0; |
747 | } |
748 | |
749 | static int mptspi_slave_configure(struct scsi_device *sdev) |
750 | { |
751 | struct _MPT_SCSI_HOST *hd = shost_priv(shost: sdev->host); |
752 | VirtTarget *vtarget = scsi_target(sdev)->hostdata; |
753 | int ret; |
754 | |
755 | mptspi_initTarget(hd, vtarget, sdev); |
756 | |
757 | ret = mptscsih_slave_configure(device: sdev); |
758 | |
759 | if (ret) |
760 | return ret; |
761 | |
762 | ddvprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT "id=%d min_period=0x%02x" |
763 | " max_offset=0x%02x max_width=%d\n" , hd->ioc->name, |
764 | sdev->id, spi_min_period(scsi_target(sdev)), |
765 | spi_max_offset(scsi_target(sdev)), |
766 | spi_max_width(scsi_target(sdev)))); |
767 | |
768 | if ((sdev->channel == 1 || |
769 | !(mptspi_is_raid(hd, id: sdev->id))) && |
770 | !spi_initial_dv(sdev->sdev_target)) |
771 | mptspi_dv_device(hd, sdev); |
772 | |
773 | return 0; |
774 | } |
775 | |
776 | static int |
777 | mptspi_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *SCpnt) |
778 | { |
779 | struct _MPT_SCSI_HOST *hd = shost_priv(shost); |
780 | VirtDevice *vdevice = SCpnt->device->hostdata; |
781 | MPT_ADAPTER *ioc = hd->ioc; |
782 | |
783 | if (!vdevice || !vdevice->vtarget) { |
784 | SCpnt->result = DID_NO_CONNECT << 16; |
785 | scsi_done(cmd: SCpnt); |
786 | return 0; |
787 | } |
788 | |
789 | if (SCpnt->device->channel == 1 && |
790 | mptscsih_is_phys_disk(ioc, channel: 0, id: SCpnt->device->id) == 0) { |
791 | SCpnt->result = DID_NO_CONNECT << 16; |
792 | scsi_done(cmd: SCpnt); |
793 | return 0; |
794 | } |
795 | |
796 | if (spi_dv_pending(scsi_target(SCpnt->device))) |
797 | ddvprintk(ioc, scsi_print_command(SCpnt)); |
798 | |
799 | return mptscsih_qcmd(SCpnt); |
800 | } |
801 | |
802 | static void mptspi_slave_destroy(struct scsi_device *sdev) |
803 | { |
804 | struct scsi_target *starget = scsi_target(sdev); |
805 | VirtTarget *vtarget = starget->hostdata; |
806 | VirtDevice *vdevice = sdev->hostdata; |
807 | |
808 | /* Will this be the last lun on a non-raid device? */ |
809 | if (vtarget->num_luns == 1 && vdevice->configured_lun) { |
810 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; |
811 | |
812 | /* Async Narrow */ |
813 | pg1.RequestedParameters = 0; |
814 | pg1.Reserved = 0; |
815 | pg1.Configuration = 0; |
816 | |
817 | mptspi_write_spi_device_pg1(starget, &pg1); |
818 | } |
819 | |
820 | mptscsih_slave_destroy(device: sdev); |
821 | } |
822 | |
823 | static const struct scsi_host_template mptspi_driver_template = { |
824 | .module = THIS_MODULE, |
825 | .proc_name = "mptspi" , |
826 | .show_info = mptscsih_show_info, |
827 | .name = "MPT SPI Host" , |
828 | .info = mptscsih_info, |
829 | .queuecommand = mptspi_qcmd, |
830 | .target_alloc = mptspi_target_alloc, |
831 | .slave_alloc = mptspi_slave_alloc, |
832 | .slave_configure = mptspi_slave_configure, |
833 | .target_destroy = mptspi_target_destroy, |
834 | .slave_destroy = mptspi_slave_destroy, |
835 | .change_queue_depth = mptscsih_change_queue_depth, |
836 | .eh_abort_handler = mptscsih_abort, |
837 | .eh_device_reset_handler = mptscsih_dev_reset, |
838 | .eh_bus_reset_handler = mptscsih_bus_reset, |
839 | .eh_host_reset_handler = mptscsih_host_reset, |
840 | .bios_param = mptscsih_bios_param, |
841 | .can_queue = MPT_SCSI_CAN_QUEUE, |
842 | .this_id = -1, |
843 | .sg_tablesize = MPT_SCSI_SG_DEPTH, |
844 | .max_sectors = 8192, |
845 | .cmd_per_lun = 7, |
846 | .shost_groups = mptscsih_host_attr_groups, |
847 | }; |
848 | |
849 | static int mptspi_write_spi_device_pg1(struct scsi_target *starget, |
850 | struct _CONFIG_PAGE_SCSI_DEVICE_1 *pass_pg1) |
851 | { |
852 | struct Scsi_Host *shost = dev_to_shost(dev: &starget->dev); |
853 | struct _MPT_SCSI_HOST *hd = shost_priv(shost); |
854 | struct _MPT_ADAPTER *ioc = hd->ioc; |
855 | struct _CONFIG_PAGE_SCSI_DEVICE_1 *pg1; |
856 | dma_addr_t pg1_dma; |
857 | int size; |
858 | struct _x_config_parms cfg; |
859 | struct _CONFIG_PAGE_HEADER hdr; |
860 | int err = -EBUSY; |
861 | u32 nego_parms; |
862 | u32 period; |
863 | struct scsi_device *sdev; |
864 | int i; |
865 | |
866 | /* don't allow updating nego parameters on RAID devices */ |
867 | if (starget->channel == 0 && |
868 | mptspi_is_raid(hd, id: starget->id)) |
869 | return -1; |
870 | |
871 | size = ioc->spi_data.sdp1length * 4; |
872 | |
873 | pg1 = dma_alloc_coherent(dev: &ioc->pcidev->dev, size, dma_handle: &pg1_dma, GFP_KERNEL); |
874 | if (pg1 == NULL) { |
875 | starget_printk(KERN_ERR, starget, MYIOC_s_FMT |
876 | "dma_alloc_coherent for parameters failed\n" , ioc->name); |
877 | return -EINVAL; |
878 | } |
879 | |
880 | memset(&hdr, 0, sizeof(hdr)); |
881 | |
882 | hdr.PageVersion = ioc->spi_data.sdp1version; |
883 | hdr.PageLength = ioc->spi_data.sdp1length; |
884 | hdr.PageNumber = 1; |
885 | hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; |
886 | |
887 | memset(&cfg, 0, sizeof(cfg)); |
888 | |
889 | cfg.cfghdr.hdr = &hdr; |
890 | cfg.physAddr = pg1_dma; |
891 | cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT; |
892 | cfg.dir = 1; |
893 | cfg.pageAddr = starget->id; |
894 | |
895 | memcpy(pg1, pass_pg1, size); |
896 | |
897 | pg1->Header.PageVersion = hdr.PageVersion; |
898 | pg1->Header.PageLength = hdr.PageLength; |
899 | pg1->Header.PageNumber = hdr.PageNumber; |
900 | pg1->Header.PageType = hdr.PageType; |
901 | |
902 | nego_parms = le32_to_cpu(pg1->RequestedParameters); |
903 | period = (nego_parms & MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK) >> |
904 | MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD; |
905 | if (period == 8) { |
906 | /* Turn on inline data padding for TAPE when running U320 */ |
907 | for (i = 0 ; i < 16; i++) { |
908 | sdev = scsi_device_lookup_by_target(starget, i); |
909 | if (sdev && sdev->type == TYPE_TAPE) { |
910 | sdev_printk(KERN_DEBUG, sdev, MYIOC_s_FMT |
911 | "IDP:ON\n" , ioc->name); |
912 | nego_parms |= MPI_SCSIDEVPAGE1_RP_IDP; |
913 | pg1->RequestedParameters = |
914 | cpu_to_le32(nego_parms); |
915 | break; |
916 | } |
917 | } |
918 | } |
919 | |
920 | mptspi_print_write_nego(hd, starget, le32_to_cpu(pg1->RequestedParameters)); |
921 | |
922 | if (mpt_config(ioc, cfg: &cfg)) { |
923 | starget_printk(KERN_ERR, starget, MYIOC_s_FMT |
924 | "mpt_config failed\n" , ioc->name); |
925 | goto out_free; |
926 | } |
927 | err = 0; |
928 | |
929 | out_free: |
930 | dma_free_coherent(dev: &ioc->pcidev->dev, size, cpu_addr: pg1, dma_handle: pg1_dma); |
931 | return err; |
932 | } |
933 | |
934 | static void mptspi_write_offset(struct scsi_target *starget, int offset) |
935 | { |
936 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; |
937 | u32 nego; |
938 | |
939 | if (offset < 0) |
940 | offset = 0; |
941 | |
942 | if (offset > 255) |
943 | offset = 255; |
944 | |
945 | if (spi_offset(starget) == -1) |
946 | mptspi_read_parameters(starget); |
947 | |
948 | spi_offset(starget) = offset; |
949 | |
950 | nego = mptspi_getRP(starget); |
951 | |
952 | pg1.RequestedParameters = cpu_to_le32(nego); |
953 | pg1.Reserved = 0; |
954 | pg1.Configuration = 0; |
955 | |
956 | mptspi_write_spi_device_pg1(starget, pass_pg1: &pg1); |
957 | } |
958 | |
959 | static void mptspi_write_period(struct scsi_target *starget, int period) |
960 | { |
961 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; |
962 | u32 nego; |
963 | |
964 | if (period < 8) |
965 | period = 8; |
966 | |
967 | if (period > 255) |
968 | period = 255; |
969 | |
970 | if (spi_period(starget) == -1) |
971 | mptspi_read_parameters(starget); |
972 | |
973 | if (period == 8) { |
974 | spi_iu(starget) = 1; |
975 | spi_dt(starget) = 1; |
976 | } else if (period == 9) { |
977 | spi_dt(starget) = 1; |
978 | } |
979 | |
980 | spi_period(starget) = period; |
981 | |
982 | nego = mptspi_getRP(starget); |
983 | |
984 | pg1.RequestedParameters = cpu_to_le32(nego); |
985 | pg1.Reserved = 0; |
986 | pg1.Configuration = 0; |
987 | |
988 | mptspi_write_spi_device_pg1(starget, pass_pg1: &pg1); |
989 | } |
990 | |
991 | static void mptspi_write_dt(struct scsi_target *starget, int dt) |
992 | { |
993 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; |
994 | u32 nego; |
995 | |
996 | if (spi_period(starget) == -1) |
997 | mptspi_read_parameters(starget); |
998 | |
999 | if (!dt && spi_period(starget) < 10) |
1000 | spi_period(starget) = 10; |
1001 | |
1002 | spi_dt(starget) = dt; |
1003 | |
1004 | nego = mptspi_getRP(starget); |
1005 | |
1006 | |
1007 | pg1.RequestedParameters = cpu_to_le32(nego); |
1008 | pg1.Reserved = 0; |
1009 | pg1.Configuration = 0; |
1010 | |
1011 | mptspi_write_spi_device_pg1(starget, pass_pg1: &pg1); |
1012 | } |
1013 | |
1014 | static void mptspi_write_iu(struct scsi_target *starget, int iu) |
1015 | { |
1016 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; |
1017 | u32 nego; |
1018 | |
1019 | if (spi_period(starget) == -1) |
1020 | mptspi_read_parameters(starget); |
1021 | |
1022 | if (!iu && spi_period(starget) < 9) |
1023 | spi_period(starget) = 9; |
1024 | |
1025 | spi_iu(starget) = iu; |
1026 | |
1027 | nego = mptspi_getRP(starget); |
1028 | |
1029 | pg1.RequestedParameters = cpu_to_le32(nego); |
1030 | pg1.Reserved = 0; |
1031 | pg1.Configuration = 0; |
1032 | |
1033 | mptspi_write_spi_device_pg1(starget, pass_pg1: &pg1); |
1034 | } |
1035 | |
1036 | #define MPTSPI_SIMPLE_TRANSPORT_PARM(parm) \ |
1037 | static void mptspi_write_##parm(struct scsi_target *starget, int parm)\ |
1038 | { \ |
1039 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; \ |
1040 | u32 nego; \ |
1041 | \ |
1042 | spi_##parm(starget) = parm; \ |
1043 | \ |
1044 | nego = mptspi_getRP(starget); \ |
1045 | \ |
1046 | pg1.RequestedParameters = cpu_to_le32(nego); \ |
1047 | pg1.Reserved = 0; \ |
1048 | pg1.Configuration = 0; \ |
1049 | \ |
1050 | mptspi_write_spi_device_pg1(starget, &pg1); \ |
1051 | } |
1052 | |
1053 | MPTSPI_SIMPLE_TRANSPORT_PARM(rd_strm) |
1054 | MPTSPI_SIMPLE_TRANSPORT_PARM(wr_flow) |
1055 | MPTSPI_SIMPLE_TRANSPORT_PARM(rti) |
1056 | MPTSPI_SIMPLE_TRANSPORT_PARM(hold_mcs) |
1057 | MPTSPI_SIMPLE_TRANSPORT_PARM(pcomp_en) |
1058 | |
1059 | static void mptspi_write_qas(struct scsi_target *starget, int qas) |
1060 | { |
1061 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; |
1062 | struct Scsi_Host *shost = dev_to_shost(dev: &starget->dev); |
1063 | struct _MPT_SCSI_HOST *hd = shost_priv(shost); |
1064 | VirtTarget *vtarget = starget->hostdata; |
1065 | u32 nego; |
1066 | |
1067 | if ((vtarget->negoFlags & MPT_TARGET_NO_NEGO_QAS) || |
1068 | hd->ioc->spi_data.noQas) |
1069 | spi_qas(starget) = 0; |
1070 | else |
1071 | spi_qas(starget) = qas; |
1072 | |
1073 | nego = mptspi_getRP(starget); |
1074 | |
1075 | pg1.RequestedParameters = cpu_to_le32(nego); |
1076 | pg1.Reserved = 0; |
1077 | pg1.Configuration = 0; |
1078 | |
1079 | mptspi_write_spi_device_pg1(starget, pass_pg1: &pg1); |
1080 | } |
1081 | |
1082 | static void mptspi_write_width(struct scsi_target *starget, int width) |
1083 | { |
1084 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; |
1085 | u32 nego; |
1086 | |
1087 | if (!width) { |
1088 | spi_dt(starget) = 0; |
1089 | if (spi_period(starget) < 10) |
1090 | spi_period(starget) = 10; |
1091 | } |
1092 | |
1093 | spi_width(starget) = width; |
1094 | |
1095 | nego = mptspi_getRP(starget); |
1096 | |
1097 | pg1.RequestedParameters = cpu_to_le32(nego); |
1098 | pg1.Reserved = 0; |
1099 | pg1.Configuration = 0; |
1100 | |
1101 | mptspi_write_spi_device_pg1(starget, pass_pg1: &pg1); |
1102 | } |
1103 | |
1104 | struct work_queue_wrapper { |
1105 | struct work_struct work; |
1106 | struct _MPT_SCSI_HOST *hd; |
1107 | int disk; |
1108 | }; |
1109 | |
1110 | static void mpt_work_wrapper(struct work_struct *work) |
1111 | { |
1112 | struct work_queue_wrapper *wqw = |
1113 | container_of(work, struct work_queue_wrapper, work); |
1114 | struct _MPT_SCSI_HOST *hd = wqw->hd; |
1115 | MPT_ADAPTER *ioc = hd->ioc; |
1116 | struct Scsi_Host *shost = ioc->sh; |
1117 | struct scsi_device *sdev; |
1118 | int disk = wqw->disk; |
1119 | struct _CONFIG_PAGE_IOC_3 *pg3; |
1120 | |
1121 | kfree(objp: wqw); |
1122 | |
1123 | mpt_findImVolumes(ioc); |
1124 | pg3 = ioc->raid_data.pIocPg3; |
1125 | if (!pg3) |
1126 | return; |
1127 | |
1128 | shost_for_each_device(sdev,shost) { |
1129 | struct scsi_target *starget = scsi_target(sdev); |
1130 | VirtTarget *vtarget = starget->hostdata; |
1131 | |
1132 | /* only want to search RAID components */ |
1133 | if (sdev->channel != 1) |
1134 | continue; |
1135 | |
1136 | /* The id is the raid PhysDiskNum, even if |
1137 | * starget->id is the actual target address */ |
1138 | if(vtarget->id != disk) |
1139 | continue; |
1140 | |
1141 | starget_printk(KERN_INFO, vtarget->starget, MYIOC_s_FMT |
1142 | "Integrated RAID requests DV of new device\n" , ioc->name); |
1143 | mptspi_dv_device(hd, sdev); |
1144 | } |
1145 | shost_printk(KERN_INFO, shost, MYIOC_s_FMT |
1146 | "Integrated RAID detects new device %d\n" , ioc->name, disk); |
1147 | scsi_scan_target(parent: &ioc->sh->shost_gendev, channel: 1, id: disk, lun: 0, rescan: SCSI_SCAN_RESCAN); |
1148 | } |
1149 | |
1150 | |
1151 | static void mpt_dv_raid(struct _MPT_SCSI_HOST *hd, int disk) |
1152 | { |
1153 | struct work_queue_wrapper *wqw = kmalloc(size: sizeof(*wqw), GFP_ATOMIC); |
1154 | MPT_ADAPTER *ioc = hd->ioc; |
1155 | |
1156 | if (!wqw) { |
1157 | shost_printk(KERN_ERR, ioc->sh, MYIOC_s_FMT |
1158 | "Failed to act on RAID event for physical disk %d\n" , |
1159 | ioc->name, disk); |
1160 | return; |
1161 | } |
1162 | INIT_WORK(&wqw->work, mpt_work_wrapper); |
1163 | wqw->hd = hd; |
1164 | wqw->disk = disk; |
1165 | |
1166 | schedule_work(work: &wqw->work); |
1167 | } |
1168 | |
1169 | static int |
1170 | mptspi_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) |
1171 | { |
1172 | u8 event = le32_to_cpu(pEvReply->Event) & 0xFF; |
1173 | struct _MPT_SCSI_HOST *hd = shost_priv(shost: ioc->sh); |
1174 | |
1175 | if (ioc->bus_type != SPI) |
1176 | return 0; |
1177 | |
1178 | if (hd && event == MPI_EVENT_INTEGRATED_RAID) { |
1179 | int reason |
1180 | = (le32_to_cpu(pEvReply->Data[0]) & 0x00FF0000) >> 16; |
1181 | |
1182 | if (reason == MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED) { |
1183 | int disk = (le32_to_cpu(pEvReply->Data[0]) & 0xFF000000) >> 24; |
1184 | mpt_dv_raid(hd, disk); |
1185 | } |
1186 | } |
1187 | return mptscsih_event_process(ioc, pEvReply); |
1188 | } |
1189 | |
1190 | static int |
1191 | mptspi_deny_binding(struct scsi_target *starget) |
1192 | { |
1193 | struct _MPT_SCSI_HOST *hd = |
1194 | (struct _MPT_SCSI_HOST *)dev_to_shost(dev: starget->dev.parent)->hostdata; |
1195 | return ((mptspi_is_raid(hd, id: starget->id)) && |
1196 | starget->channel == 0) ? 1 : 0; |
1197 | } |
1198 | |
1199 | static struct spi_function_template mptspi_transport_functions = { |
1200 | .get_offset = mptspi_read_parameters, |
1201 | .set_offset = mptspi_write_offset, |
1202 | .show_offset = 1, |
1203 | .get_period = mptspi_read_parameters, |
1204 | .set_period = mptspi_write_period, |
1205 | .show_period = 1, |
1206 | .get_width = mptspi_read_parameters, |
1207 | .set_width = mptspi_write_width, |
1208 | .show_width = 1, |
1209 | .get_iu = mptspi_read_parameters, |
1210 | .set_iu = mptspi_write_iu, |
1211 | .show_iu = 1, |
1212 | .get_dt = mptspi_read_parameters, |
1213 | .set_dt = mptspi_write_dt, |
1214 | .show_dt = 1, |
1215 | .get_qas = mptspi_read_parameters, |
1216 | .set_qas = mptspi_write_qas, |
1217 | .show_qas = 1, |
1218 | .get_wr_flow = mptspi_read_parameters, |
1219 | .set_wr_flow = mptspi_write_wr_flow, |
1220 | .show_wr_flow = 1, |
1221 | .get_rd_strm = mptspi_read_parameters, |
1222 | .set_rd_strm = mptspi_write_rd_strm, |
1223 | .show_rd_strm = 1, |
1224 | .get_rti = mptspi_read_parameters, |
1225 | .set_rti = mptspi_write_rti, |
1226 | .show_rti = 1, |
1227 | .get_pcomp_en = mptspi_read_parameters, |
1228 | .set_pcomp_en = mptspi_write_pcomp_en, |
1229 | .show_pcomp_en = 1, |
1230 | .get_hold_mcs = mptspi_read_parameters, |
1231 | .set_hold_mcs = mptspi_write_hold_mcs, |
1232 | .show_hold_mcs = 1, |
1233 | .deny_binding = mptspi_deny_binding, |
1234 | }; |
1235 | |
1236 | /**************************************************************************** |
1237 | * Supported hardware |
1238 | */ |
1239 | |
1240 | static struct pci_device_id mptspi_pci_table[] = { |
1241 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_53C1030, |
1242 | PCI_ANY_ID, PCI_ANY_ID }, |
1243 | { PCI_VENDOR_ID_ATTO, MPI_MANUFACTPAGE_DEVID_53C1030, |
1244 | PCI_ANY_ID, PCI_ANY_ID }, |
1245 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_53C1035, |
1246 | PCI_ANY_ID, PCI_ANY_ID }, |
1247 | {0} /* Terminating entry */ |
1248 | }; |
1249 | MODULE_DEVICE_TABLE(pci, mptspi_pci_table); |
1250 | |
1251 | |
1252 | /* |
1253 | * renegotiate for a given target |
1254 | */ |
1255 | static void |
1256 | mptspi_dv_renegotiate_work(struct work_struct *work) |
1257 | { |
1258 | struct work_queue_wrapper *wqw = |
1259 | container_of(work, struct work_queue_wrapper, work); |
1260 | struct _MPT_SCSI_HOST *hd = wqw->hd; |
1261 | struct scsi_device *sdev; |
1262 | struct scsi_target *starget; |
1263 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; |
1264 | u32 nego; |
1265 | MPT_ADAPTER *ioc = hd->ioc; |
1266 | |
1267 | kfree(objp: wqw); |
1268 | |
1269 | if (hd->spi_pending) { |
1270 | shost_for_each_device(sdev, ioc->sh) { |
1271 | if (hd->spi_pending & (1 << sdev->id)) |
1272 | continue; |
1273 | starget = scsi_target(sdev); |
1274 | nego = mptspi_getRP(starget); |
1275 | pg1.RequestedParameters = cpu_to_le32(nego); |
1276 | pg1.Reserved = 0; |
1277 | pg1.Configuration = 0; |
1278 | mptspi_write_spi_device_pg1(starget, pass_pg1: &pg1); |
1279 | } |
1280 | } else { |
1281 | shost_for_each_device(sdev, ioc->sh) |
1282 | mptspi_dv_device(hd, sdev); |
1283 | } |
1284 | } |
1285 | |
1286 | static void |
1287 | mptspi_dv_renegotiate(struct _MPT_SCSI_HOST *hd) |
1288 | { |
1289 | struct work_queue_wrapper *wqw = kmalloc(size: sizeof(*wqw), GFP_ATOMIC); |
1290 | |
1291 | if (!wqw) |
1292 | return; |
1293 | |
1294 | INIT_WORK(&wqw->work, mptspi_dv_renegotiate_work); |
1295 | wqw->hd = hd; |
1296 | |
1297 | schedule_work(work: &wqw->work); |
1298 | } |
1299 | |
1300 | /* |
1301 | * spi module reset handler |
1302 | */ |
1303 | static int |
1304 | mptspi_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) |
1305 | { |
1306 | int rc; |
1307 | |
1308 | rc = mptscsih_ioc_reset(ioc, post_reset: reset_phase); |
1309 | if ((ioc->bus_type != SPI) || (!rc)) |
1310 | return rc; |
1311 | |
1312 | /* only try to do a renegotiation if we're properly set up |
1313 | * if we get an ioc fault on bringup, ioc->sh will be NULL */ |
1314 | if (reset_phase == MPT_IOC_POST_RESET && |
1315 | ioc->sh) { |
1316 | struct _MPT_SCSI_HOST *hd = shost_priv(shost: ioc->sh); |
1317 | |
1318 | mptspi_dv_renegotiate(hd); |
1319 | } |
1320 | |
1321 | return rc; |
1322 | } |
1323 | |
1324 | #ifdef CONFIG_PM |
1325 | /* |
1326 | * spi module resume handler |
1327 | */ |
1328 | static int |
1329 | mptspi_resume(struct pci_dev *pdev) |
1330 | { |
1331 | MPT_ADAPTER *ioc = pci_get_drvdata(pdev); |
1332 | struct _MPT_SCSI_HOST *hd = shost_priv(shost: ioc->sh); |
1333 | int rc; |
1334 | |
1335 | rc = mptscsih_resume(pdev); |
1336 | mptspi_dv_renegotiate(hd); |
1337 | |
1338 | return rc; |
1339 | } |
1340 | #endif |
1341 | |
1342 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
1343 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
1344 | /* |
1345 | * mptspi_probe - Installs scsi devices per bus. |
1346 | * @pdev: Pointer to pci_dev structure |
1347 | * |
1348 | * Returns 0 for success, non-zero for failure. |
1349 | * |
1350 | */ |
1351 | static int |
1352 | mptspi_probe(struct pci_dev *pdev, const struct pci_device_id *id) |
1353 | { |
1354 | struct Scsi_Host *sh; |
1355 | MPT_SCSI_HOST *hd; |
1356 | MPT_ADAPTER *ioc; |
1357 | unsigned long flags; |
1358 | int ii; |
1359 | int numSGE = 0; |
1360 | int scale; |
1361 | int ioc_cap; |
1362 | int error=0; |
1363 | int r; |
1364 | |
1365 | if ((r = mpt_attach(pdev,id)) != 0) |
1366 | return r; |
1367 | |
1368 | ioc = pci_get_drvdata(pdev); |
1369 | ioc->DoneCtx = mptspiDoneCtx; |
1370 | ioc->TaskCtx = mptspiTaskCtx; |
1371 | ioc->InternalCtx = mptspiInternalCtx; |
1372 | |
1373 | /* Added sanity check on readiness of the MPT adapter. |
1374 | */ |
1375 | if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) { |
1376 | printk(MYIOC_s_WARN_FMT |
1377 | "Skipping because it's not operational!\n" , |
1378 | ioc->name); |
1379 | error = -ENODEV; |
1380 | goto out_mptspi_probe; |
1381 | } |
1382 | |
1383 | if (!ioc->active) { |
1384 | printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n" , |
1385 | ioc->name); |
1386 | error = -ENODEV; |
1387 | goto out_mptspi_probe; |
1388 | } |
1389 | |
1390 | /* Sanity check - ensure at least 1 port is INITIATOR capable |
1391 | */ |
1392 | ioc_cap = 0; |
1393 | for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) { |
1394 | if (ioc->pfacts[ii].ProtocolFlags & |
1395 | MPI_PORTFACTS_PROTOCOL_INITIATOR) |
1396 | ioc_cap ++; |
1397 | } |
1398 | |
1399 | if (!ioc_cap) { |
1400 | printk(MYIOC_s_WARN_FMT |
1401 | "Skipping ioc=%p because SCSI Initiator mode is NOT enabled!\n" , |
1402 | ioc->name, ioc); |
1403 | return 0; |
1404 | } |
1405 | |
1406 | sh = scsi_host_alloc(&mptspi_driver_template, sizeof(MPT_SCSI_HOST)); |
1407 | |
1408 | if (!sh) { |
1409 | printk(MYIOC_s_WARN_FMT |
1410 | "Unable to register controller with SCSI subsystem\n" , |
1411 | ioc->name); |
1412 | error = -1; |
1413 | goto out_mptspi_probe; |
1414 | } |
1415 | |
1416 | /* VMWare emulation doesn't properly implement WRITE_SAME |
1417 | */ |
1418 | if (pdev->subsystem_vendor == 0x15AD) |
1419 | sh->no_write_same = 1; |
1420 | |
1421 | spin_lock_irqsave(&ioc->FreeQlock, flags); |
1422 | |
1423 | /* Attach the SCSI Host to the IOC structure |
1424 | */ |
1425 | ioc->sh = sh; |
1426 | |
1427 | sh->io_port = 0; |
1428 | sh->n_io_port = 0; |
1429 | sh->irq = 0; |
1430 | |
1431 | /* set 16 byte cdb's */ |
1432 | sh->max_cmd_len = 16; |
1433 | |
1434 | /* Yikes! This is important! |
1435 | * Otherwise, by default, linux |
1436 | * only scans target IDs 0-7! |
1437 | * pfactsN->MaxDevices unreliable |
1438 | * (not supported in early |
1439 | * versions of the FW). |
1440 | * max_id = 1 + actual max id, |
1441 | * max_lun = 1 + actual last lun, |
1442 | * see hosts.h :o( |
1443 | */ |
1444 | sh->max_id = ioc->devices_per_bus; |
1445 | |
1446 | sh->max_lun = MPT_LAST_LUN + 1; |
1447 | /* |
1448 | * If RAID Firmware Detected, setup virtual channel |
1449 | */ |
1450 | if (ioc->ir_firmware) |
1451 | sh->max_channel = 1; |
1452 | else |
1453 | sh->max_channel = 0; |
1454 | sh->this_id = ioc->pfacts[0].PortSCSIID; |
1455 | |
1456 | /* Required entry. |
1457 | */ |
1458 | sh->unique_id = ioc->id; |
1459 | |
1460 | /* Verify that we won't exceed the maximum |
1461 | * number of chain buffers |
1462 | * We can optimize: ZZ = req_sz/sizeof(SGE) |
1463 | * For 32bit SGE's: |
1464 | * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ |
1465 | * + (req_sz - 64)/sizeof(SGE) |
1466 | * A slightly different algorithm is required for |
1467 | * 64bit SGEs. |
1468 | */ |
1469 | scale = ioc->req_sz/ioc->SGE_size; |
1470 | if (ioc->sg_addr_size == sizeof(u64)) { |
1471 | numSGE = (scale - 1) * |
1472 | (ioc->facts.MaxChainDepth-1) + scale + |
1473 | (ioc->req_sz - 60) / ioc->SGE_size; |
1474 | } else { |
1475 | numSGE = 1 + (scale - 1) * |
1476 | (ioc->facts.MaxChainDepth-1) + scale + |
1477 | (ioc->req_sz - 64) / ioc->SGE_size; |
1478 | } |
1479 | |
1480 | if (numSGE < sh->sg_tablesize) { |
1481 | /* Reset this value */ |
1482 | dprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
1483 | "Resetting sg_tablesize to %d from %d\n" , |
1484 | ioc->name, numSGE, sh->sg_tablesize)); |
1485 | sh->sg_tablesize = numSGE; |
1486 | } |
1487 | |
1488 | spin_unlock_irqrestore(lock: &ioc->FreeQlock, flags); |
1489 | |
1490 | hd = shost_priv(shost: sh); |
1491 | hd->ioc = ioc; |
1492 | |
1493 | /* SCSI needs scsi_cmnd lookup table! |
1494 | * (with size equal to req_depth*PtrSz!) |
1495 | */ |
1496 | ioc->ScsiLookup = kcalloc(n: ioc->req_depth, size: sizeof(void *), GFP_KERNEL); |
1497 | if (!ioc->ScsiLookup) { |
1498 | error = -ENOMEM; |
1499 | goto out_mptspi_probe; |
1500 | } |
1501 | spin_lock_init(&ioc->scsi_lookup_lock); |
1502 | |
1503 | dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n" , |
1504 | ioc->name, ioc->ScsiLookup)); |
1505 | |
1506 | ioc->spi_data.Saf_Te = mpt_saf_te; |
1507 | ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
1508 | "saf_te %x\n" , |
1509 | ioc->name, |
1510 | mpt_saf_te)); |
1511 | ioc->spi_data.noQas = 0; |
1512 | |
1513 | hd->last_queue_full = 0; |
1514 | hd->spi_pending = 0; |
1515 | |
1516 | /* Some versions of the firmware don't support page 0; without |
1517 | * that we can't get the parameters */ |
1518 | if (ioc->spi_data.sdp0length != 0) |
1519 | sh->transportt = mptspi_transport_template; |
1520 | |
1521 | error = scsi_add_host (host: sh, dev: &ioc->pcidev->dev); |
1522 | if(error) { |
1523 | dprintk(ioc, printk(MYIOC_s_ERR_FMT |
1524 | "scsi_add_host failed\n" , ioc->name)); |
1525 | goto out_mptspi_probe; |
1526 | } |
1527 | |
1528 | /* |
1529 | * issue internal bus reset |
1530 | */ |
1531 | if (ioc->spi_data.bus_reset) |
1532 | mptscsih_IssueTaskMgmt(hd, |
1533 | MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, |
1534 | channel: 0, id: 0, lun: 0, ctx2abort: 0, timeout: 5); |
1535 | |
1536 | scsi_scan_host(sh); |
1537 | return 0; |
1538 | |
1539 | out_mptspi_probe: |
1540 | |
1541 | mptscsih_remove(pdev); |
1542 | return error; |
1543 | } |
1544 | |
1545 | static void mptspi_remove(struct pci_dev *pdev) |
1546 | { |
1547 | MPT_ADAPTER *ioc = pci_get_drvdata(pdev); |
1548 | |
1549 | scsi_remove_host(ioc->sh); |
1550 | mptscsih_remove(pdev); |
1551 | } |
1552 | |
1553 | static struct pci_driver mptspi_driver = { |
1554 | .name = "mptspi" , |
1555 | .id_table = mptspi_pci_table, |
1556 | .probe = mptspi_probe, |
1557 | .remove = mptspi_remove, |
1558 | .shutdown = mptscsih_shutdown, |
1559 | #ifdef CONFIG_PM |
1560 | .suspend = mptscsih_suspend, |
1561 | .resume = mptspi_resume, |
1562 | #endif |
1563 | }; |
1564 | |
1565 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
1566 | /** |
1567 | * mptspi_init - Register MPT adapter(s) as SCSI host(s) with SCSI mid-layer. |
1568 | * |
1569 | * Returns 0 for success, non-zero for failure. |
1570 | */ |
1571 | static int __init |
1572 | mptspi_init(void) |
1573 | { |
1574 | int error; |
1575 | |
1576 | show_mptmod_ver(my_NAME, my_VERSION); |
1577 | |
1578 | mptspi_transport_template = spi_attach_transport(&mptspi_transport_functions); |
1579 | if (!mptspi_transport_template) |
1580 | return -ENODEV; |
1581 | |
1582 | mptspiDoneCtx = mpt_register(cbfunc: mptscsih_io_done, dclass: MPTSPI_DRIVER, |
1583 | func_name: "mptscsih_io_done" ); |
1584 | mptspiTaskCtx = mpt_register(cbfunc: mptscsih_taskmgmt_complete, dclass: MPTSPI_DRIVER, |
1585 | func_name: "mptscsih_taskmgmt_complete" ); |
1586 | mptspiInternalCtx = mpt_register(cbfunc: mptscsih_scandv_complete, |
1587 | dclass: MPTSPI_DRIVER, func_name: "mptscsih_scandv_complete" ); |
1588 | |
1589 | mpt_event_register(cb_idx: mptspiDoneCtx, ev_cbfunc: mptspi_event_process); |
1590 | mpt_reset_register(cb_idx: mptspiDoneCtx, reset_func: mptspi_ioc_reset); |
1591 | |
1592 | error = pci_register_driver(&mptspi_driver); |
1593 | if (error) |
1594 | spi_release_transport(mptspi_transport_template); |
1595 | |
1596 | return error; |
1597 | } |
1598 | |
1599 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
1600 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
1601 | /** |
1602 | * mptspi_exit - Unregisters MPT adapter(s) |
1603 | */ |
1604 | static void __exit |
1605 | mptspi_exit(void) |
1606 | { |
1607 | pci_unregister_driver(dev: &mptspi_driver); |
1608 | |
1609 | mpt_reset_deregister(cb_idx: mptspiDoneCtx); |
1610 | mpt_event_deregister(cb_idx: mptspiDoneCtx); |
1611 | |
1612 | mpt_deregister(cb_idx: mptspiInternalCtx); |
1613 | mpt_deregister(cb_idx: mptspiTaskCtx); |
1614 | mpt_deregister(cb_idx: mptspiDoneCtx); |
1615 | spi_release_transport(mptspi_transport_template); |
1616 | } |
1617 | |
1618 | module_init(mptspi_init); |
1619 | module_exit(mptspi_exit); |
1620 | |