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243eabcf MED |
1 | /* |
2 | * linux/drivers/message/fusion/mptspi.c | |
f36789e2 PS |
3 | * For use with LSI PCI chip/adapter(s) |
4 | * running LSI Fusion MPT (Message Passing Technology) firmware. | |
243eabcf | 5 | * |
cddc0ab7 | 6 | * Copyright (c) 1999-2008 LSI Corporation |
16d20101 | 7 | * (mailto:DL-MPTFusionLinux@lsi.com) |
243eabcf MED |
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 | ||
243eabcf MED |
47 | #include <linux/module.h> |
48 | #include <linux/kernel.h> | |
5a0e3ad6 | 49 | #include <linux/slab.h> |
243eabcf MED |
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> /* needed for in_interrupt() proto */ | |
56 | #include <linux/reboot.h> /* notifier code */ | |
243eabcf | 57 | #include <linux/workqueue.h> |
c92f222e | 58 | #include <linux/raid_class.h> |
243eabcf MED |
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> | |
c92f222e JB |
65 | #include <scsi/scsi_transport.h> |
66 | #include <scsi/scsi_transport_spi.h> | |
873c82ed | 67 | #include <scsi/scsi_dbg.h> |
243eabcf MED |
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"); | |
9f4203b3 | 80 | MODULE_VERSION(my_VERSION); |
243eabcf MED |
81 | |
82 | /* Command line args */ | |
243eabcf MED |
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 | ||
c92f222e JB |
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 | ||
f606f571 PS |
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 */ | |
243eabcf | 97 | |
5a9c47b1 | 98 | /** |
1544d677 | 99 | * mptspi_setTargetNegoParms - Update the target negotiation parameters |
5a9c47b1 | 100 | * @hd: Pointer to a SCSI Host Structure |
1544d677 | 101 | * @target: per target private data |
5a9c47b1 EM |
102 | * @sdev: SCSI device |
103 | * | |
1544d677 RD |
104 | * Update the target negotiation parameters based on the the Inquiry |
105 | * data, adapter capabilities, and NVRAM settings. | |
5a9c47b1 EM |
106 | **/ |
107 | static void | |
108 | mptspi_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtTarget *target, | |
109 | struct scsi_device *sdev) | |
110 | { | |
e80b002b EM |
111 | MPT_ADAPTER *ioc = hd->ioc; |
112 | SpiCfgData *pspi_data = &ioc->spi_data; | |
5a9c47b1 EM |
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)) { | |
e80b002b | 143 | ddvprintk(ioc, |
29dd3609 | 144 | printk(MYIOC_s_DEBUG_FMT "Enabling QAS due to " |
e80b002b | 145 | "byte56=%02x on id=%d!\n", ioc->name, |
29dd3609 | 146 | scsi_device_qas(sdev), id)); |
5a9c47b1 EM |
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 | target->tflags |= MPT_TARGET_FLAGS_VALID_NEGO; | |
214 | ||
215 | /* Disable unused features. | |
216 | */ | |
217 | if (!width) | |
218 | target->negoFlags |= MPT_TARGET_NO_NEGO_WIDE; | |
219 | ||
220 | if (!offset) | |
221 | target->negoFlags |= MPT_TARGET_NO_NEGO_SYNC; | |
222 | ||
223 | if ( factor > MPT_ULTRA320 ) | |
224 | noQas = 0; | |
225 | ||
226 | if (noQas && (pspi_data->noQas == 0)) { | |
227 | pspi_data->noQas |= MPT_TARGET_NO_NEGO_QAS; | |
228 | target->negoFlags |= MPT_TARGET_NO_NEGO_QAS; | |
229 | ||
230 | /* Disable QAS in a mixed configuration case | |
231 | */ | |
232 | ||
e80b002b EM |
233 | ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
234 | "Disabling QAS due to noQas=%02x on id=%d!\n", ioc->name, noQas, id)); | |
5a9c47b1 EM |
235 | } |
236 | } | |
237 | ||
238 | /** | |
239 | * mptspi_writeIOCPage4 - write IOC Page 4 | |
240 | * @hd: Pointer to a SCSI Host Structure | |
1544d677 | 241 | * @channel: channel number |
5a9c47b1 EM |
242 | * @id: write IOC Page4 for this ID & Bus |
243 | * | |
244 | * Return: -EAGAIN if unable to obtain a Message Frame | |
245 | * or 0 if success. | |
246 | * | |
247 | * Remark: We do not wait for a return, write pages sequentially. | |
248 | **/ | |
249 | static int | |
250 | mptspi_writeIOCPage4(MPT_SCSI_HOST *hd, u8 channel , u8 id) | |
251 | { | |
252 | MPT_ADAPTER *ioc = hd->ioc; | |
253 | Config_t *pReq; | |
254 | IOCPage4_t *IOCPage4Ptr; | |
255 | MPT_FRAME_HDR *mf; | |
256 | dma_addr_t dataDma; | |
257 | u16 req_idx; | |
258 | u32 frameOffset; | |
259 | u32 flagsLength; | |
260 | int ii; | |
261 | ||
262 | /* Get a MF for this command. | |
263 | */ | |
264 | if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) { | |
d6ecdd63 PS |
265 | dfailprintk(ioc, printk(MYIOC_s_WARN_FMT |
266 | "writeIOCPage4 : no msg frames!\n",ioc->name)); | |
5a9c47b1 EM |
267 | return -EAGAIN; |
268 | } | |
269 | ||
270 | /* Set the request and the data pointers. | |
271 | * Place data at end of MF. | |
272 | */ | |
273 | pReq = (Config_t *)mf; | |
274 | ||
275 | req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); | |
276 | frameOffset = ioc->req_sz - sizeof(IOCPage4_t); | |
277 | ||
278 | /* Complete the request frame (same for all requests). | |
279 | */ | |
280 | pReq->Action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT; | |
281 | pReq->Reserved = 0; | |
282 | pReq->ChainOffset = 0; | |
283 | pReq->Function = MPI_FUNCTION_CONFIG; | |
284 | pReq->ExtPageLength = 0; | |
285 | pReq->ExtPageType = 0; | |
286 | pReq->MsgFlags = 0; | |
287 | for (ii=0; ii < 8; ii++) { | |
288 | pReq->Reserved2[ii] = 0; | |
289 | } | |
290 | ||
291 | IOCPage4Ptr = ioc->spi_data.pIocPg4; | |
292 | dataDma = ioc->spi_data.IocPg4_dma; | |
293 | ii = IOCPage4Ptr->ActiveSEP++; | |
294 | IOCPage4Ptr->SEP[ii].SEPTargetID = id; | |
295 | IOCPage4Ptr->SEP[ii].SEPBus = channel; | |
296 | pReq->Header = IOCPage4Ptr->Header; | |
297 | pReq->PageAddress = cpu_to_le32(id | (channel << 8 )); | |
298 | ||
299 | /* Add a SGE to the config request. | |
300 | */ | |
301 | flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE | | |
302 | (IOCPage4Ptr->Header.PageLength + ii) * 4; | |
303 | ||
14d0f0b0 | 304 | ioc->add_sge((char *)&pReq->PageBufferSGE, flagsLength, dataDma); |
5a9c47b1 | 305 | |
d6ecdd63 | 306 | ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
5a9c47b1 | 307 | "writeIOCPage4: MaxSEP=%d ActiveSEP=%d id=%d bus=%d\n", |
29dd3609 | 308 | ioc->name, IOCPage4Ptr->MaxSEP, IOCPage4Ptr->ActiveSEP, id, channel)); |
5a9c47b1 EM |
309 | |
310 | mpt_put_msg_frame(ioc->DoneCtx, ioc, mf); | |
311 | ||
312 | return 0; | |
313 | } | |
314 | ||
315 | /** | |
316 | * mptspi_initTarget - Target, LUN alloc/free functionality. | |
317 | * @hd: Pointer to MPT_SCSI_HOST structure | |
318 | * @vtarget: per target private data | |
319 | * @sdev: SCSI device | |
320 | * | |
321 | * NOTE: It's only SAFE to call this routine if data points to | |
322 | * sane & valid STANDARD INQUIRY data! | |
323 | * | |
324 | * Allocate and initialize memory for this target. | |
325 | * Save inquiry data. | |
326 | * | |
327 | **/ | |
328 | static void | |
329 | mptspi_initTarget(MPT_SCSI_HOST *hd, VirtTarget *vtarget, | |
330 | struct scsi_device *sdev) | |
331 | { | |
332 | ||
333 | /* Is LUN supported? If so, upper 2 bits will be 0 | |
334 | * in first byte of inquiry data. | |
335 | */ | |
336 | if (sdev->inq_periph_qual != 0) | |
337 | return; | |
338 | ||
339 | if (vtarget == NULL) | |
340 | return; | |
341 | ||
342 | vtarget->type = sdev->type; | |
343 | ||
344 | if ((sdev->type == TYPE_PROCESSOR) && (hd->ioc->spi_data.Saf_Te)) { | |
345 | /* Treat all Processors as SAF-TE if | |
346 | * command line option is set */ | |
347 | vtarget->tflags |= MPT_TARGET_FLAGS_SAF_TE_ISSUED; | |
348 | mptspi_writeIOCPage4(hd, vtarget->channel, vtarget->id); | |
349 | }else if ((sdev->type == TYPE_PROCESSOR) && | |
350 | !(vtarget->tflags & MPT_TARGET_FLAGS_SAF_TE_ISSUED )) { | |
351 | if (sdev->inquiry_len > 49 ) { | |
352 | if (sdev->inquiry[44] == 'S' && | |
353 | sdev->inquiry[45] == 'A' && | |
354 | sdev->inquiry[46] == 'F' && | |
355 | sdev->inquiry[47] == '-' && | |
356 | sdev->inquiry[48] == 'T' && | |
357 | sdev->inquiry[49] == 'E' ) { | |
358 | vtarget->tflags |= MPT_TARGET_FLAGS_SAF_TE_ISSUED; | |
359 | mptspi_writeIOCPage4(hd, vtarget->channel, vtarget->id); | |
360 | } | |
361 | } | |
362 | } | |
363 | mptspi_setTargetNegoParms(hd, vtarget, sdev); | |
364 | } | |
793955f5 EM |
365 | |
366 | /** | |
367 | * mptspi_is_raid - Determines whether target is belonging to volume | |
368 | * @hd: Pointer to a SCSI HOST structure | |
369 | * @id: target device id | |
370 | * | |
371 | * Return: | |
372 | * non-zero = true | |
373 | * zero = false | |
374 | * | |
375 | */ | |
376 | static int | |
377 | mptspi_is_raid(struct _MPT_SCSI_HOST *hd, u32 id) | |
378 | { | |
379 | int i, rc = 0; | |
e80b002b | 380 | MPT_ADAPTER *ioc = hd->ioc; |
793955f5 | 381 | |
e80b002b | 382 | if (!ioc->raid_data.pIocPg2) |
793955f5 EM |
383 | goto out; |
384 | ||
e80b002b | 385 | if (!ioc->raid_data.pIocPg2->NumActiveVolumes) |
793955f5 | 386 | goto out; |
e80b002b EM |
387 | for (i=0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) { |
388 | if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID == id) { | |
793955f5 EM |
389 | rc = 1; |
390 | goto out; | |
391 | } | |
392 | } | |
393 | ||
394 | out: | |
395 | return rc; | |
396 | } | |
397 | ||
c92f222e JB |
398 | static int mptspi_target_alloc(struct scsi_target *starget) |
399 | { | |
400 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
e7eae9f6 | 401 | struct _MPT_SCSI_HOST *hd = shost_priv(shost); |
793955f5 | 402 | VirtTarget *vtarget; |
e80b002b | 403 | MPT_ADAPTER *ioc; |
c92f222e JB |
404 | |
405 | if (hd == NULL) | |
406 | return -ENODEV; | |
407 | ||
e80b002b | 408 | ioc = hd->ioc; |
793955f5 EM |
409 | vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL); |
410 | if (!vtarget) | |
411 | return -ENOMEM; | |
412 | ||
e80b002b | 413 | vtarget->ioc_id = ioc->id; |
793955f5 EM |
414 | vtarget->tflags = MPT_TARGET_FLAGS_Q_YES; |
415 | vtarget->id = (u8)starget->id; | |
416 | vtarget->channel = (u8)starget->channel; | |
417 | vtarget->starget = starget; | |
418 | starget->hostdata = vtarget; | |
419 | ||
420 | if (starget->channel == 1) { | |
e80b002b | 421 | if (mptscsih_is_phys_disk(ioc, 0, starget->id) == 0) |
793955f5 EM |
422 | return 0; |
423 | vtarget->tflags |= MPT_TARGET_FLAGS_RAID_COMPONENT; | |
424 | /* The real channel for this device is zero */ | |
425 | vtarget->channel = 0; | |
426 | /* The actual physdisknum (for RAID passthrough) */ | |
e80b002b | 427 | vtarget->id = mptscsih_raid_id_to_num(ioc, 0, |
793955f5 EM |
428 | starget->id); |
429 | } | |
c92f222e | 430 | |
793955f5 EM |
431 | if (starget->channel == 0 && |
432 | mptspi_is_raid(hd, starget->id)) { | |
433 | vtarget->raidVolume = 1; | |
e80b002b EM |
434 | ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
435 | "RAID Volume @ channel=%d id=%d\n", ioc->name, starget->channel, | |
793955f5 EM |
436 | starget->id)); |
437 | } | |
c92f222e | 438 | |
e80b002b EM |
439 | if (ioc->spi_data.nvram && |
440 | ioc->spi_data.nvram[starget->id] != MPT_HOST_NVRAM_INVALID) { | |
441 | u32 nvram = ioc->spi_data.nvram[starget->id]; | |
c92f222e JB |
442 | spi_min_period(starget) = (nvram & MPT_NVRAM_SYNC_MASK) >> MPT_NVRAM_SYNC_SHIFT; |
443 | spi_max_width(starget) = nvram & MPT_NVRAM_WIDE_DISABLE ? 0 : 1; | |
444 | } else { | |
e80b002b EM |
445 | spi_min_period(starget) = ioc->spi_data.minSyncFactor; |
446 | spi_max_width(starget) = ioc->spi_data.maxBusWidth; | |
c92f222e | 447 | } |
e80b002b | 448 | spi_max_offset(starget) = ioc->spi_data.maxSyncOffset; |
c92f222e JB |
449 | |
450 | spi_offset(starget) = 0; | |
cc472449 | 451 | spi_period(starget) = 0xFF; |
c92f222e JB |
452 | mptspi_write_width(starget, 0); |
453 | ||
454 | return 0; | |
455 | } | |
456 | ||
301b01aa | 457 | static void |
793955f5 EM |
458 | mptspi_target_destroy(struct scsi_target *starget) |
459 | { | |
460 | if (starget->hostdata) | |
461 | kfree(starget->hostdata); | |
462 | starget->hostdata = NULL; | |
463 | } | |
464 | ||
873c82ed EM |
465 | /** |
466 | * mptspi_print_write_nego - negotiation parameters debug info that is being sent | |
467 | * @hd: Pointer to a SCSI HOST structure | |
468 | * @starget: SCSI target | |
469 | * @ii: negotiation parameters | |
470 | * | |
471 | */ | |
472 | static void | |
473 | mptspi_print_write_nego(struct _MPT_SCSI_HOST *hd, struct scsi_target *starget, u32 ii) | |
474 | { | |
d6ecdd63 | 475 | ddvprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT "id=%d Requested = 0x%08x" |
873c82ed EM |
476 | " ( %s factor = 0x%02x @ offset = 0x%02x %s%s%s%s%s%s%s%s)\n", |
477 | hd->ioc->name, starget->id, ii, | |
478 | ii & MPI_SCSIDEVPAGE0_NP_WIDE ? "Wide ": "", | |
479 | ((ii >> 8) & 0xFF), ((ii >> 16) & 0xFF), | |
480 | ii & MPI_SCSIDEVPAGE0_NP_IU ? "IU ": "", | |
481 | ii & MPI_SCSIDEVPAGE0_NP_DT ? "DT ": "", | |
482 | ii & MPI_SCSIDEVPAGE0_NP_QAS ? "QAS ": "", | |
483 | ii & MPI_SCSIDEVPAGE0_NP_HOLD_MCS ? "HOLDMCS ": "", | |
484 | ii & MPI_SCSIDEVPAGE0_NP_WR_FLOW ? "WRFLOW ": "", | |
485 | ii & MPI_SCSIDEVPAGE0_NP_RD_STRM ? "RDSTRM ": "", | |
486 | ii & MPI_SCSIDEVPAGE0_NP_RTI ? "RTI ": "", | |
487 | ii & MPI_SCSIDEVPAGE0_NP_PCOMP_EN ? "PCOMP ": "")); | |
488 | } | |
489 | ||
490 | /** | |
491 | * mptspi_print_read_nego - negotiation parameters debug info that is being read | |
492 | * @hd: Pointer to a SCSI HOST structure | |
493 | * @starget: SCSI target | |
494 | * @ii: negotiation parameters | |
495 | * | |
496 | */ | |
497 | static void | |
498 | mptspi_print_read_nego(struct _MPT_SCSI_HOST *hd, struct scsi_target *starget, u32 ii) | |
499 | { | |
d6ecdd63 | 500 | ddvprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT "id=%d Read = 0x%08x" |
873c82ed EM |
501 | " ( %s factor = 0x%02x @ offset = 0x%02x %s%s%s%s%s%s%s%s)\n", |
502 | hd->ioc->name, starget->id, ii, | |
503 | ii & MPI_SCSIDEVPAGE0_NP_WIDE ? "Wide ": "", | |
504 | ((ii >> 8) & 0xFF), ((ii >> 16) & 0xFF), | |
505 | ii & MPI_SCSIDEVPAGE0_NP_IU ? "IU ": "", | |
506 | ii & MPI_SCSIDEVPAGE0_NP_DT ? "DT ": "", | |
507 | ii & MPI_SCSIDEVPAGE0_NP_QAS ? "QAS ": "", | |
508 | ii & MPI_SCSIDEVPAGE0_NP_HOLD_MCS ? "HOLDMCS ": "", | |
509 | ii & MPI_SCSIDEVPAGE0_NP_WR_FLOW ? "WRFLOW ": "", | |
510 | ii & MPI_SCSIDEVPAGE0_NP_RD_STRM ? "RDSTRM ": "", | |
511 | ii & MPI_SCSIDEVPAGE0_NP_RTI ? "RTI ": "", | |
512 | ii & MPI_SCSIDEVPAGE0_NP_PCOMP_EN ? "PCOMP ": "")); | |
513 | } | |
514 | ||
c92f222e JB |
515 | static int mptspi_read_spi_device_pg0(struct scsi_target *starget, |
516 | struct _CONFIG_PAGE_SCSI_DEVICE_0 *pass_pg0) | |
517 | { | |
518 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
e7eae9f6 | 519 | struct _MPT_SCSI_HOST *hd = shost_priv(shost); |
c92f222e | 520 | struct _MPT_ADAPTER *ioc = hd->ioc; |
bc6e089a EM |
521 | struct _CONFIG_PAGE_SCSI_DEVICE_0 *spi_dev_pg0; |
522 | dma_addr_t spi_dev_pg0_dma; | |
c92f222e JB |
523 | int size; |
524 | struct _x_config_parms cfg; | |
525 | struct _CONFIG_PAGE_HEADER hdr; | |
526 | int err = -EBUSY; | |
527 | ||
528 | /* No SPI parameters for RAID devices */ | |
529 | if (starget->channel == 0 && | |
793955f5 | 530 | mptspi_is_raid(hd, starget->id)) |
c92f222e JB |
531 | return -1; |
532 | ||
533 | size = ioc->spi_data.sdp0length * 4; | |
534 | /* | |
535 | if (ioc->spi_data.sdp0length & 1) | |
536 | size += size + 4; | |
537 | size += 2048; | |
538 | */ | |
539 | ||
bc6e089a EM |
540 | spi_dev_pg0 = dma_alloc_coherent(&ioc->pcidev->dev, size, &spi_dev_pg0_dma, GFP_KERNEL); |
541 | if (spi_dev_pg0 == NULL) { | |
c51d0bea | 542 | starget_printk(KERN_ERR, starget, MYIOC_s_FMT |
29dd3609 | 543 | "dma_alloc_coherent for parameters failed\n", ioc->name); |
c92f222e JB |
544 | return -EINVAL; |
545 | } | |
546 | ||
547 | memset(&hdr, 0, sizeof(hdr)); | |
548 | ||
549 | hdr.PageVersion = ioc->spi_data.sdp0version; | |
550 | hdr.PageLength = ioc->spi_data.sdp0length; | |
551 | hdr.PageNumber = 0; | |
552 | hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; | |
553 | ||
554 | memset(&cfg, 0, sizeof(cfg)); | |
555 | ||
556 | cfg.cfghdr.hdr = &hdr; | |
bc6e089a | 557 | cfg.physAddr = spi_dev_pg0_dma; |
c92f222e JB |
558 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; |
559 | cfg.dir = 0; | |
560 | cfg.pageAddr = starget->id; | |
561 | ||
562 | if (mpt_config(ioc, &cfg)) { | |
c51d0bea | 563 | starget_printk(KERN_ERR, starget, MYIOC_s_FMT "mpt_config failed\n", ioc->name); |
c92f222e JB |
564 | goto out_free; |
565 | } | |
566 | err = 0; | |
bc6e089a | 567 | memcpy(pass_pg0, spi_dev_pg0, size); |
c92f222e | 568 | |
bc6e089a | 569 | mptspi_print_read_nego(hd, starget, le32_to_cpu(spi_dev_pg0->NegotiatedParameters)); |
873c82ed | 570 | |
c92f222e | 571 | out_free: |
bc6e089a | 572 | dma_free_coherent(&ioc->pcidev->dev, size, spi_dev_pg0, spi_dev_pg0_dma); |
c92f222e JB |
573 | return err; |
574 | } | |
575 | ||
576 | static u32 mptspi_getRP(struct scsi_target *starget) | |
577 | { | |
578 | u32 nego = 0; | |
579 | ||
580 | nego |= spi_iu(starget) ? MPI_SCSIDEVPAGE1_RP_IU : 0; | |
581 | nego |= spi_dt(starget) ? MPI_SCSIDEVPAGE1_RP_DT : 0; | |
582 | nego |= spi_qas(starget) ? MPI_SCSIDEVPAGE1_RP_QAS : 0; | |
583 | nego |= spi_hold_mcs(starget) ? MPI_SCSIDEVPAGE1_RP_HOLD_MCS : 0; | |
584 | nego |= spi_wr_flow(starget) ? MPI_SCSIDEVPAGE1_RP_WR_FLOW : 0; | |
585 | nego |= spi_rd_strm(starget) ? MPI_SCSIDEVPAGE1_RP_RD_STRM : 0; | |
586 | nego |= spi_rti(starget) ? MPI_SCSIDEVPAGE1_RP_RTI : 0; | |
587 | nego |= spi_pcomp_en(starget) ? MPI_SCSIDEVPAGE1_RP_PCOMP_EN : 0; | |
588 | ||
589 | nego |= (spi_period(starget) << MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD) & MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK; | |
590 | nego |= (spi_offset(starget) << MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET) & MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK; | |
591 | nego |= spi_width(starget) ? MPI_SCSIDEVPAGE1_RP_WIDE : 0; | |
592 | ||
593 | return nego; | |
594 | } | |
595 | ||
596 | static void mptspi_read_parameters(struct scsi_target *starget) | |
597 | { | |
598 | int nego; | |
bc6e089a | 599 | struct _CONFIG_PAGE_SCSI_DEVICE_0 spi_dev_pg0; |
c92f222e | 600 | |
bc6e089a | 601 | mptspi_read_spi_device_pg0(starget, &spi_dev_pg0); |
c92f222e | 602 | |
bc6e089a | 603 | nego = le32_to_cpu(spi_dev_pg0.NegotiatedParameters); |
c92f222e JB |
604 | |
605 | spi_iu(starget) = (nego & MPI_SCSIDEVPAGE0_NP_IU) ? 1 : 0; | |
606 | spi_dt(starget) = (nego & MPI_SCSIDEVPAGE0_NP_DT) ? 1 : 0; | |
607 | spi_qas(starget) = (nego & MPI_SCSIDEVPAGE0_NP_QAS) ? 1 : 0; | |
608 | spi_wr_flow(starget) = (nego & MPI_SCSIDEVPAGE0_NP_WR_FLOW) ? 1 : 0; | |
609 | spi_rd_strm(starget) = (nego & MPI_SCSIDEVPAGE0_NP_RD_STRM) ? 1 : 0; | |
610 | spi_rti(starget) = (nego & MPI_SCSIDEVPAGE0_NP_RTI) ? 1 : 0; | |
611 | spi_pcomp_en(starget) = (nego & MPI_SCSIDEVPAGE0_NP_PCOMP_EN) ? 1 : 0; | |
612 | spi_hold_mcs(starget) = (nego & MPI_SCSIDEVPAGE0_NP_HOLD_MCS) ? 1 : 0; | |
613 | spi_period(starget) = (nego & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK) >> MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_PERIOD; | |
614 | spi_offset(starget) = (nego & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK) >> MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_OFFSET; | |
615 | spi_width(starget) = (nego & MPI_SCSIDEVPAGE0_NP_WIDE) ? 1 : 0; | |
616 | } | |
617 | ||
37c60f37 | 618 | int |
793955f5 | 619 | mptscsih_quiesce_raid(MPT_SCSI_HOST *hd, int quiesce, u8 channel, u8 id) |
c92f222e | 620 | { |
37c60f37 | 621 | MPT_ADAPTER *ioc = hd->ioc; |
c92f222e JB |
622 | MpiRaidActionRequest_t *pReq; |
623 | MPT_FRAME_HDR *mf; | |
37c60f37 KD |
624 | int ret; |
625 | unsigned long timeleft; | |
626 | ||
627 | mutex_lock(&ioc->internal_cmds.mutex); | |
c92f222e JB |
628 | |
629 | /* Get and Populate a free Frame | |
630 | */ | |
e80b002b | 631 | if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) { |
37c60f37 KD |
632 | dfailprintk(hd->ioc, printk(MYIOC_s_WARN_FMT |
633 | "%s: no msg frames!\n", ioc->name, __func__)); | |
634 | ret = -EAGAIN; | |
635 | goto out; | |
c92f222e JB |
636 | } |
637 | pReq = (MpiRaidActionRequest_t *)mf; | |
638 | if (quiesce) | |
639 | pReq->Action = MPI_RAID_ACTION_QUIESCE_PHYS_IO; | |
640 | else | |
641 | pReq->Action = MPI_RAID_ACTION_ENABLE_PHYS_IO; | |
642 | pReq->Reserved1 = 0; | |
643 | pReq->ChainOffset = 0; | |
644 | pReq->Function = MPI_FUNCTION_RAID_ACTION; | |
793955f5 EM |
645 | pReq->VolumeID = id; |
646 | pReq->VolumeBus = channel; | |
c92f222e JB |
647 | pReq->PhysDiskNum = 0; |
648 | pReq->MsgFlags = 0; | |
649 | pReq->Reserved2 = 0; | |
650 | pReq->ActionDataWord = 0; /* Reserved for this action */ | |
651 | ||
14d0f0b0 | 652 | ioc->add_sge((char *)&pReq->ActionDataSGE, |
c92f222e JB |
653 | MPT_SGE_FLAGS_SSIMPLE_READ | 0, (dma_addr_t) -1); |
654 | ||
e80b002b EM |
655 | ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RAID Volume action=%x channel=%d id=%d\n", |
656 | ioc->name, pReq->Action, channel, id)); | |
c92f222e | 657 | |
37c60f37 | 658 | INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status) |
e80b002b | 659 | mpt_put_msg_frame(ioc->InternalCtx, ioc, mf); |
37c60f37 KD |
660 | timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done, 10*HZ); |
661 | if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { | |
662 | ret = -ETIME; | |
663 | dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: TIMED OUT!\n", | |
664 | ioc->name, __func__)); | |
665 | if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) | |
666 | goto out; | |
667 | if (!timeleft) { | |
668 | printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n", | |
669 | ioc->name, __func__); | |
670 | mpt_HardResetHandler(ioc, CAN_SLEEP); | |
671 | mpt_free_msg_frame(ioc, mf); | |
672 | } | |
673 | goto out; | |
674 | } | |
c92f222e | 675 | |
37c60f37 | 676 | ret = ioc->internal_cmds.completion_code; |
c92f222e | 677 | |
37c60f37 KD |
678 | out: |
679 | CLEAR_MGMT_STATUS(ioc->internal_cmds.status) | |
680 | mutex_unlock(&ioc->internal_cmds.mutex); | |
681 | return ret; | |
c92f222e JB |
682 | } |
683 | ||
684 | static void mptspi_dv_device(struct _MPT_SCSI_HOST *hd, | |
685 | struct scsi_device *sdev) | |
686 | { | |
687 | VirtTarget *vtarget = scsi_target(sdev)->hostdata; | |
e80b002b | 688 | MPT_ADAPTER *ioc = hd->ioc; |
c92f222e JB |
689 | |
690 | /* no DV on RAID devices */ | |
691 | if (sdev->channel == 0 && | |
793955f5 | 692 | mptspi_is_raid(hd, sdev->id)) |
c92f222e JB |
693 | return; |
694 | ||
695 | /* If this is a piece of a RAID, then quiesce first */ | |
696 | if (sdev->channel == 1 && | |
793955f5 | 697 | mptscsih_quiesce_raid(hd, 1, vtarget->channel, vtarget->id) < 0) { |
c51d0bea | 698 | starget_printk(KERN_ERR, scsi_target(sdev), MYIOC_s_FMT |
e80b002b | 699 | "Integrated RAID quiesce failed\n", ioc->name); |
c92f222e JB |
700 | return; |
701 | } | |
702 | ||
72978245 | 703 | hd->spi_pending |= (1 << sdev->id); |
c92f222e | 704 | spi_dv_device(sdev); |
72978245 | 705 | hd->spi_pending &= ~(1 << sdev->id); |
c92f222e JB |
706 | |
707 | if (sdev->channel == 1 && | |
793955f5 | 708 | mptscsih_quiesce_raid(hd, 0, vtarget->channel, vtarget->id) < 0) |
c51d0bea | 709 | starget_printk(KERN_ERR, scsi_target(sdev), MYIOC_s_FMT |
e80b002b | 710 | "Integrated RAID resume failed\n", ioc->name); |
c92f222e JB |
711 | |
712 | mptspi_read_parameters(sdev->sdev_target); | |
713 | spi_display_xfer_agreement(sdev->sdev_target); | |
714 | mptspi_read_parameters(sdev->sdev_target); | |
715 | } | |
716 | ||
717 | static int mptspi_slave_alloc(struct scsi_device *sdev) | |
718 | { | |
e7eae9f6 | 719 | MPT_SCSI_HOST *hd = shost_priv(sdev->host); |
793955f5 | 720 | VirtTarget *vtarget; |
a69de507 | 721 | VirtDevice *vdevice; |
793955f5 | 722 | struct scsi_target *starget; |
e80b002b | 723 | MPT_ADAPTER *ioc = hd->ioc; |
c92f222e | 724 | |
793955f5 | 725 | if (sdev->channel == 1 && |
e80b002b | 726 | mptscsih_is_phys_disk(ioc, 0, sdev->id) == 0) |
793955f5 EM |
727 | return -ENXIO; |
728 | ||
a69de507 EM |
729 | vdevice = kzalloc(sizeof(VirtDevice), GFP_KERNEL); |
730 | if (!vdevice) { | |
793955f5 | 731 | printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n", |
e80b002b | 732 | ioc->name, sizeof(VirtDevice)); |
793955f5 | 733 | return -ENOMEM; |
c92f222e JB |
734 | } |
735 | ||
a69de507 EM |
736 | vdevice->lun = sdev->lun; |
737 | sdev->hostdata = vdevice; | |
c92f222e | 738 | |
793955f5 EM |
739 | starget = scsi_target(sdev); |
740 | vtarget = starget->hostdata; | |
a69de507 | 741 | vdevice->vtarget = vtarget; |
793955f5 | 742 | vtarget->num_luns++; |
c92f222e | 743 | |
793955f5 | 744 | if (sdev->channel == 1) |
c92f222e | 745 | sdev->no_uld_attach = 1; |
c92f222e JB |
746 | |
747 | return 0; | |
748 | } | |
749 | ||
750 | static int mptspi_slave_configure(struct scsi_device *sdev) | |
751 | { | |
e7eae9f6 | 752 | struct _MPT_SCSI_HOST *hd = shost_priv(sdev->host); |
5a9c47b1 | 753 | VirtTarget *vtarget = scsi_target(sdev)->hostdata; |
29982e9a DC |
754 | int ret; |
755 | ||
756 | mptspi_initTarget(hd, vtarget, sdev); | |
757 | ||
758 | ret = mptscsih_slave_configure(sdev); | |
c92f222e JB |
759 | |
760 | if (ret) | |
761 | return ret; | |
762 | ||
d6ecdd63 | 763 | ddvprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT "id=%d min_period=0x%02x" |
873c82ed EM |
764 | " max_offset=0x%02x max_width=%d\n", hd->ioc->name, |
765 | sdev->id, spi_min_period(scsi_target(sdev)), | |
766 | spi_max_offset(scsi_target(sdev)), | |
767 | spi_max_width(scsi_target(sdev)))); | |
768 | ||
c92f222e | 769 | if ((sdev->channel == 1 || |
793955f5 | 770 | !(mptspi_is_raid(hd, sdev->id))) && |
c92f222e JB |
771 | !spi_initial_dv(sdev->sdev_target)) |
772 | mptspi_dv_device(hd, sdev); | |
773 | ||
774 | return 0; | |
775 | } | |
776 | ||
793955f5 EM |
777 | static int |
778 | mptspi_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) | |
779 | { | |
e7eae9f6 | 780 | struct _MPT_SCSI_HOST *hd = shost_priv(SCpnt->device->host); |
a69de507 | 781 | VirtDevice *vdevice = SCpnt->device->hostdata; |
e80b002b | 782 | MPT_ADAPTER *ioc = hd->ioc; |
793955f5 | 783 | |
a69de507 | 784 | if (!vdevice || !vdevice->vtarget) { |
793955f5 EM |
785 | SCpnt->result = DID_NO_CONNECT << 16; |
786 | done(SCpnt); | |
787 | return 0; | |
788 | } | |
789 | ||
790 | if (SCpnt->device->channel == 1 && | |
e80b002b | 791 | mptscsih_is_phys_disk(ioc, 0, SCpnt->device->id) == 0) { |
793955f5 EM |
792 | SCpnt->result = DID_NO_CONNECT << 16; |
793 | done(SCpnt); | |
794 | return 0; | |
795 | } | |
796 | ||
873c82ed | 797 | if (spi_dv_pending(scsi_target(SCpnt->device))) |
e80b002b | 798 | ddvprintk(ioc, scsi_print_command(SCpnt)); |
873c82ed | 799 | |
793955f5 EM |
800 | return mptscsih_qcmd(SCpnt,done); |
801 | } | |
802 | ||
c92f222e JB |
803 | static void mptspi_slave_destroy(struct scsi_device *sdev) |
804 | { | |
805 | struct scsi_target *starget = scsi_target(sdev); | |
806 | VirtTarget *vtarget = starget->hostdata; | |
807 | VirtDevice *vdevice = sdev->hostdata; | |
808 | ||
809 | /* Will this be the last lun on a non-raid device? */ | |
810 | if (vtarget->num_luns == 1 && vdevice->configured_lun) { | |
811 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; | |
812 | ||
813 | /* Async Narrow */ | |
814 | pg1.RequestedParameters = 0; | |
815 | pg1.Reserved = 0; | |
816 | pg1.Configuration = 0; | |
817 | ||
818 | mptspi_write_spi_device_pg1(starget, &pg1); | |
819 | } | |
820 | ||
821 | mptscsih_slave_destroy(sdev); | |
822 | } | |
823 | ||
243eabcf | 824 | static struct scsi_host_template mptspi_driver_template = { |
f78496da | 825 | .module = THIS_MODULE, |
243eabcf MED |
826 | .proc_name = "mptspi", |
827 | .proc_info = mptscsih_proc_info, | |
828 | .name = "MPT SPI Host", | |
829 | .info = mptscsih_info, | |
793955f5 | 830 | .queuecommand = mptspi_qcmd, |
c92f222e JB |
831 | .target_alloc = mptspi_target_alloc, |
832 | .slave_alloc = mptspi_slave_alloc, | |
833 | .slave_configure = mptspi_slave_configure, | |
793955f5 | 834 | .target_destroy = mptspi_target_destroy, |
c92f222e | 835 | .slave_destroy = mptspi_slave_destroy, |
6e3815ba | 836 | .change_queue_depth = mptscsih_change_queue_depth, |
243eabcf MED |
837 | .eh_abort_handler = mptscsih_abort, |
838 | .eh_device_reset_handler = mptscsih_dev_reset, | |
839 | .eh_bus_reset_handler = mptscsih_bus_reset, | |
840 | .eh_host_reset_handler = mptscsih_host_reset, | |
841 | .bios_param = mptscsih_bios_param, | |
842 | .can_queue = MPT_SCSI_CAN_QUEUE, | |
843 | .this_id = -1, | |
844 | .sg_tablesize = MPT_SCSI_SG_DEPTH, | |
845 | .max_sectors = 8192, | |
846 | .cmd_per_lun = 7, | |
847 | .use_clustering = ENABLE_CLUSTERING, | |
edb9068d | 848 | .shost_attrs = mptscsih_host_attrs, |
243eabcf MED |
849 | }; |
850 | ||
c92f222e JB |
851 | static int mptspi_write_spi_device_pg1(struct scsi_target *starget, |
852 | struct _CONFIG_PAGE_SCSI_DEVICE_1 *pass_pg1) | |
853 | { | |
854 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
e7eae9f6 | 855 | struct _MPT_SCSI_HOST *hd = shost_priv(shost); |
c92f222e JB |
856 | struct _MPT_ADAPTER *ioc = hd->ioc; |
857 | struct _CONFIG_PAGE_SCSI_DEVICE_1 *pg1; | |
858 | dma_addr_t pg1_dma; | |
859 | int size; | |
860 | struct _x_config_parms cfg; | |
861 | struct _CONFIG_PAGE_HEADER hdr; | |
862 | int err = -EBUSY; | |
863 | ||
864 | /* don't allow updating nego parameters on RAID devices */ | |
865 | if (starget->channel == 0 && | |
793955f5 | 866 | mptspi_is_raid(hd, starget->id)) |
c92f222e JB |
867 | return -1; |
868 | ||
869 | size = ioc->spi_data.sdp1length * 4; | |
870 | ||
871 | pg1 = dma_alloc_coherent(&ioc->pcidev->dev, size, &pg1_dma, GFP_KERNEL); | |
872 | if (pg1 == NULL) { | |
c51d0bea | 873 | starget_printk(KERN_ERR, starget, MYIOC_s_FMT |
29dd3609 | 874 | "dma_alloc_coherent for parameters failed\n", ioc->name); |
c92f222e JB |
875 | return -EINVAL; |
876 | } | |
877 | ||
878 | memset(&hdr, 0, sizeof(hdr)); | |
879 | ||
880 | hdr.PageVersion = ioc->spi_data.sdp1version; | |
881 | hdr.PageLength = ioc->spi_data.sdp1length; | |
882 | hdr.PageNumber = 1; | |
883 | hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; | |
884 | ||
885 | memset(&cfg, 0, sizeof(cfg)); | |
886 | ||
887 | cfg.cfghdr.hdr = &hdr; | |
888 | cfg.physAddr = pg1_dma; | |
889 | cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT; | |
890 | cfg.dir = 1; | |
891 | cfg.pageAddr = starget->id; | |
892 | ||
893 | memcpy(pg1, pass_pg1, size); | |
894 | ||
895 | pg1->Header.PageVersion = hdr.PageVersion; | |
896 | pg1->Header.PageLength = hdr.PageLength; | |
897 | pg1->Header.PageNumber = hdr.PageNumber; | |
898 | pg1->Header.PageType = hdr.PageType; | |
899 | ||
873c82ed EM |
900 | mptspi_print_write_nego(hd, starget, le32_to_cpu(pg1->RequestedParameters)); |
901 | ||
c92f222e | 902 | if (mpt_config(ioc, &cfg)) { |
c51d0bea | 903 | starget_printk(KERN_ERR, starget, MYIOC_s_FMT |
29dd3609 | 904 | "mpt_config failed\n", ioc->name); |
c92f222e JB |
905 | goto out_free; |
906 | } | |
907 | err = 0; | |
908 | ||
909 | out_free: | |
910 | dma_free_coherent(&ioc->pcidev->dev, size, pg1, pg1_dma); | |
911 | return err; | |
912 | } | |
913 | ||
914 | static void mptspi_write_offset(struct scsi_target *starget, int offset) | |
915 | { | |
916 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; | |
917 | u32 nego; | |
918 | ||
919 | if (offset < 0) | |
920 | offset = 0; | |
921 | ||
922 | if (offset > 255) | |
923 | offset = 255; | |
924 | ||
925 | if (spi_offset(starget) == -1) | |
926 | mptspi_read_parameters(starget); | |
927 | ||
928 | spi_offset(starget) = offset; | |
929 | ||
930 | nego = mptspi_getRP(starget); | |
931 | ||
932 | pg1.RequestedParameters = cpu_to_le32(nego); | |
933 | pg1.Reserved = 0; | |
934 | pg1.Configuration = 0; | |
935 | ||
936 | mptspi_write_spi_device_pg1(starget, &pg1); | |
937 | } | |
938 | ||
939 | static void mptspi_write_period(struct scsi_target *starget, int period) | |
940 | { | |
941 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; | |
942 | u32 nego; | |
943 | ||
944 | if (period < 8) | |
945 | period = 8; | |
946 | ||
947 | if (period > 255) | |
948 | period = 255; | |
949 | ||
950 | if (spi_period(starget) == -1) | |
951 | mptspi_read_parameters(starget); | |
952 | ||
953 | if (period == 8) { | |
954 | spi_iu(starget) = 1; | |
955 | spi_dt(starget) = 1; | |
956 | } else if (period == 9) { | |
957 | spi_dt(starget) = 1; | |
958 | } | |
959 | ||
960 | spi_period(starget) = period; | |
961 | ||
962 | nego = mptspi_getRP(starget); | |
963 | ||
964 | pg1.RequestedParameters = cpu_to_le32(nego); | |
965 | pg1.Reserved = 0; | |
966 | pg1.Configuration = 0; | |
967 | ||
968 | mptspi_write_spi_device_pg1(starget, &pg1); | |
969 | } | |
970 | ||
971 | static void mptspi_write_dt(struct scsi_target *starget, int dt) | |
972 | { | |
973 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; | |
974 | u32 nego; | |
975 | ||
976 | if (spi_period(starget) == -1) | |
977 | mptspi_read_parameters(starget); | |
978 | ||
979 | if (!dt && spi_period(starget) < 10) | |
980 | spi_period(starget) = 10; | |
981 | ||
982 | spi_dt(starget) = dt; | |
983 | ||
984 | nego = mptspi_getRP(starget); | |
985 | ||
986 | ||
987 | pg1.RequestedParameters = cpu_to_le32(nego); | |
988 | pg1.Reserved = 0; | |
989 | pg1.Configuration = 0; | |
990 | ||
991 | mptspi_write_spi_device_pg1(starget, &pg1); | |
992 | } | |
993 | ||
994 | static void mptspi_write_iu(struct scsi_target *starget, int iu) | |
995 | { | |
996 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; | |
997 | u32 nego; | |
998 | ||
999 | if (spi_period(starget) == -1) | |
1000 | mptspi_read_parameters(starget); | |
1001 | ||
1002 | if (!iu && spi_period(starget) < 9) | |
1003 | spi_period(starget) = 9; | |
1004 | ||
1005 | spi_iu(starget) = iu; | |
1006 | ||
1007 | nego = mptspi_getRP(starget); | |
1008 | ||
1009 | pg1.RequestedParameters = cpu_to_le32(nego); | |
1010 | pg1.Reserved = 0; | |
1011 | pg1.Configuration = 0; | |
1012 | ||
1013 | mptspi_write_spi_device_pg1(starget, &pg1); | |
1014 | } | |
1015 | ||
1016 | #define MPTSPI_SIMPLE_TRANSPORT_PARM(parm) \ | |
1017 | static void mptspi_write_##parm(struct scsi_target *starget, int parm)\ | |
1018 | { \ | |
1019 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; \ | |
1020 | u32 nego; \ | |
1021 | \ | |
1022 | spi_##parm(starget) = parm; \ | |
1023 | \ | |
1024 | nego = mptspi_getRP(starget); \ | |
1025 | \ | |
1026 | pg1.RequestedParameters = cpu_to_le32(nego); \ | |
1027 | pg1.Reserved = 0; \ | |
1028 | pg1.Configuration = 0; \ | |
1029 | \ | |
1030 | mptspi_write_spi_device_pg1(starget, &pg1); \ | |
1031 | } | |
1032 | ||
1033 | MPTSPI_SIMPLE_TRANSPORT_PARM(rd_strm) | |
1034 | MPTSPI_SIMPLE_TRANSPORT_PARM(wr_flow) | |
1035 | MPTSPI_SIMPLE_TRANSPORT_PARM(rti) | |
1036 | MPTSPI_SIMPLE_TRANSPORT_PARM(hold_mcs) | |
1037 | MPTSPI_SIMPLE_TRANSPORT_PARM(pcomp_en) | |
1038 | ||
1039 | static void mptspi_write_qas(struct scsi_target *starget, int qas) | |
1040 | { | |
1041 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; | |
1042 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
e7eae9f6 | 1043 | struct _MPT_SCSI_HOST *hd = shost_priv(shost); |
c92f222e JB |
1044 | VirtTarget *vtarget = starget->hostdata; |
1045 | u32 nego; | |
1046 | ||
1047 | if ((vtarget->negoFlags & MPT_TARGET_NO_NEGO_QAS) || | |
1048 | hd->ioc->spi_data.noQas) | |
1049 | spi_qas(starget) = 0; | |
1050 | else | |
1051 | spi_qas(starget) = qas; | |
1052 | ||
1053 | nego = mptspi_getRP(starget); | |
1054 | ||
1055 | pg1.RequestedParameters = cpu_to_le32(nego); | |
1056 | pg1.Reserved = 0; | |
1057 | pg1.Configuration = 0; | |
1058 | ||
1059 | mptspi_write_spi_device_pg1(starget, &pg1); | |
1060 | } | |
1061 | ||
1062 | static void mptspi_write_width(struct scsi_target *starget, int width) | |
1063 | { | |
1064 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; | |
1065 | u32 nego; | |
1066 | ||
1067 | if (!width) { | |
1068 | spi_dt(starget) = 0; | |
1069 | if (spi_period(starget) < 10) | |
1070 | spi_period(starget) = 10; | |
1071 | } | |
1072 | ||
1073 | spi_width(starget) = width; | |
1074 | ||
1075 | nego = mptspi_getRP(starget); | |
1076 | ||
1077 | pg1.RequestedParameters = cpu_to_le32(nego); | |
1078 | pg1.Reserved = 0; | |
1079 | pg1.Configuration = 0; | |
1080 | ||
1081 | mptspi_write_spi_device_pg1(starget, &pg1); | |
1082 | } | |
1083 | ||
1084 | struct work_queue_wrapper { | |
1085 | struct work_struct work; | |
1086 | struct _MPT_SCSI_HOST *hd; | |
1087 | int disk; | |
1088 | }; | |
1089 | ||
c4028958 | 1090 | static void mpt_work_wrapper(struct work_struct *work) |
c92f222e | 1091 | { |
c4028958 DH |
1092 | struct work_queue_wrapper *wqw = |
1093 | container_of(work, struct work_queue_wrapper, work); | |
c92f222e | 1094 | struct _MPT_SCSI_HOST *hd = wqw->hd; |
e80b002b EM |
1095 | MPT_ADAPTER *ioc = hd->ioc; |
1096 | struct Scsi_Host *shost = ioc->sh; | |
c92f222e JB |
1097 | struct scsi_device *sdev; |
1098 | int disk = wqw->disk; | |
1099 | struct _CONFIG_PAGE_IOC_3 *pg3; | |
1100 | ||
1101 | kfree(wqw); | |
1102 | ||
e80b002b EM |
1103 | mpt_findImVolumes(ioc); |
1104 | pg3 = ioc->raid_data.pIocPg3; | |
c92f222e JB |
1105 | if (!pg3) |
1106 | return; | |
1107 | ||
1108 | shost_for_each_device(sdev,shost) { | |
1109 | struct scsi_target *starget = scsi_target(sdev); | |
1110 | VirtTarget *vtarget = starget->hostdata; | |
1111 | ||
1112 | /* only want to search RAID components */ | |
1113 | if (sdev->channel != 1) | |
1114 | continue; | |
1115 | ||
793955f5 | 1116 | /* The id is the raid PhysDiskNum, even if |
c92f222e | 1117 | * starget->id is the actual target address */ |
793955f5 | 1118 | if(vtarget->id != disk) |
c92f222e JB |
1119 | continue; |
1120 | ||
c51d0bea | 1121 | starget_printk(KERN_INFO, vtarget->starget, MYIOC_s_FMT |
e80b002b | 1122 | "Integrated RAID requests DV of new device\n", ioc->name); |
c92f222e JB |
1123 | mptspi_dv_device(hd, sdev); |
1124 | } | |
c51d0bea | 1125 | shost_printk(KERN_INFO, shost, MYIOC_s_FMT |
e80b002b EM |
1126 | "Integrated RAID detects new device %d\n", ioc->name, disk); |
1127 | scsi_scan_target(&ioc->sh->shost_gendev, 1, disk, 0, 1); | |
c92f222e JB |
1128 | } |
1129 | ||
1130 | ||
1131 | static void mpt_dv_raid(struct _MPT_SCSI_HOST *hd, int disk) | |
1132 | { | |
1133 | struct work_queue_wrapper *wqw = kmalloc(sizeof(*wqw), GFP_ATOMIC); | |
e80b002b | 1134 | MPT_ADAPTER *ioc = hd->ioc; |
c92f222e JB |
1135 | |
1136 | if (!wqw) { | |
c51d0bea | 1137 | shost_printk(KERN_ERR, ioc->sh, MYIOC_s_FMT |
29dd3609 | 1138 | "Failed to act on RAID event for physical disk %d\n", |
e80b002b | 1139 | ioc->name, disk); |
c92f222e JB |
1140 | return; |
1141 | } | |
c4028958 | 1142 | INIT_WORK(&wqw->work, mpt_work_wrapper); |
c92f222e JB |
1143 | wqw->hd = hd; |
1144 | wqw->disk = disk; | |
1145 | ||
1146 | schedule_work(&wqw->work); | |
1147 | } | |
1148 | ||
1149 | static int | |
1150 | mptspi_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) | |
1151 | { | |
1152 | u8 event = le32_to_cpu(pEvReply->Event) & 0xFF; | |
e7eae9f6 | 1153 | struct _MPT_SCSI_HOST *hd = shost_priv(ioc->sh); |
c92f222e JB |
1154 | |
1155 | if (hd && event == MPI_EVENT_INTEGRATED_RAID) { | |
1156 | int reason | |
1157 | = (le32_to_cpu(pEvReply->Data[0]) & 0x00FF0000) >> 16; | |
1158 | ||
1159 | if (reason == MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED) { | |
1160 | int disk = (le32_to_cpu(pEvReply->Data[0]) & 0xFF000000) >> 24; | |
1161 | mpt_dv_raid(hd, disk); | |
1162 | } | |
1163 | } | |
1164 | return mptscsih_event_process(ioc, pEvReply); | |
1165 | } | |
1166 | ||
1167 | static int | |
1168 | mptspi_deny_binding(struct scsi_target *starget) | |
1169 | { | |
1170 | struct _MPT_SCSI_HOST *hd = | |
1171 | (struct _MPT_SCSI_HOST *)dev_to_shost(starget->dev.parent)->hostdata; | |
793955f5 | 1172 | return ((mptspi_is_raid(hd, starget->id)) && |
c92f222e JB |
1173 | starget->channel == 0) ? 1 : 0; |
1174 | } | |
1175 | ||
1176 | static struct spi_function_template mptspi_transport_functions = { | |
1177 | .get_offset = mptspi_read_parameters, | |
1178 | .set_offset = mptspi_write_offset, | |
1179 | .show_offset = 1, | |
1180 | .get_period = mptspi_read_parameters, | |
1181 | .set_period = mptspi_write_period, | |
1182 | .show_period = 1, | |
1183 | .get_width = mptspi_read_parameters, | |
1184 | .set_width = mptspi_write_width, | |
1185 | .show_width = 1, | |
1186 | .get_iu = mptspi_read_parameters, | |
1187 | .set_iu = mptspi_write_iu, | |
1188 | .show_iu = 1, | |
1189 | .get_dt = mptspi_read_parameters, | |
1190 | .set_dt = mptspi_write_dt, | |
1191 | .show_dt = 1, | |
1192 | .get_qas = mptspi_read_parameters, | |
1193 | .set_qas = mptspi_write_qas, | |
1194 | .show_qas = 1, | |
1195 | .get_wr_flow = mptspi_read_parameters, | |
1196 | .set_wr_flow = mptspi_write_wr_flow, | |
1197 | .show_wr_flow = 1, | |
1198 | .get_rd_strm = mptspi_read_parameters, | |
1199 | .set_rd_strm = mptspi_write_rd_strm, | |
1200 | .show_rd_strm = 1, | |
1201 | .get_rti = mptspi_read_parameters, | |
1202 | .set_rti = mptspi_write_rti, | |
1203 | .show_rti = 1, | |
1204 | .get_pcomp_en = mptspi_read_parameters, | |
1205 | .set_pcomp_en = mptspi_write_pcomp_en, | |
1206 | .show_pcomp_en = 1, | |
1207 | .get_hold_mcs = mptspi_read_parameters, | |
1208 | .set_hold_mcs = mptspi_write_hold_mcs, | |
1209 | .show_hold_mcs = 1, | |
1210 | .deny_binding = mptspi_deny_binding, | |
1211 | }; | |
243eabcf MED |
1212 | |
1213 | /**************************************************************************** | |
1214 | * Supported hardware | |
1215 | */ | |
1216 | ||
1217 | static struct pci_device_id mptspi_pci_table[] = { | |
87cf8986 | 1218 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_53C1030, |
243eabcf | 1219 | PCI_ANY_ID, PCI_ANY_ID }, |
232f08fc EM |
1220 | { PCI_VENDOR_ID_ATTO, MPI_MANUFACTPAGE_DEVID_53C1030, |
1221 | PCI_ANY_ID, PCI_ANY_ID }, | |
87cf8986 | 1222 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_53C1035, |
243eabcf MED |
1223 | PCI_ANY_ID, PCI_ANY_ID }, |
1224 | {0} /* Terminating entry */ | |
1225 | }; | |
1226 | MODULE_DEVICE_TABLE(pci, mptspi_pci_table); | |
1227 | ||
6e1cad02 EM |
1228 | |
1229 | /* | |
1230 | * renegotiate for a given target | |
1231 | */ | |
1232 | static void | |
c4028958 | 1233 | mptspi_dv_renegotiate_work(struct work_struct *work) |
6e1cad02 | 1234 | { |
c4028958 DH |
1235 | struct work_queue_wrapper *wqw = |
1236 | container_of(work, struct work_queue_wrapper, work); | |
6e1cad02 EM |
1237 | struct _MPT_SCSI_HOST *hd = wqw->hd; |
1238 | struct scsi_device *sdev; | |
72978245 EM |
1239 | struct scsi_target *starget; |
1240 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; | |
1241 | u32 nego; | |
e80b002b | 1242 | MPT_ADAPTER *ioc = hd->ioc; |
6e1cad02 EM |
1243 | |
1244 | kfree(wqw); | |
1245 | ||
72978245 | 1246 | if (hd->spi_pending) { |
e80b002b | 1247 | shost_for_each_device(sdev, ioc->sh) { |
72978245 EM |
1248 | if (hd->spi_pending & (1 << sdev->id)) |
1249 | continue; | |
1250 | starget = scsi_target(sdev); | |
1251 | nego = mptspi_getRP(starget); | |
1252 | pg1.RequestedParameters = cpu_to_le32(nego); | |
1253 | pg1.Reserved = 0; | |
1254 | pg1.Configuration = 0; | |
1255 | mptspi_write_spi_device_pg1(starget, &pg1); | |
1256 | } | |
1257 | } else { | |
e80b002b | 1258 | shost_for_each_device(sdev, ioc->sh) |
72978245 EM |
1259 | mptspi_dv_device(hd, sdev); |
1260 | } | |
6e1cad02 EM |
1261 | } |
1262 | ||
1263 | static void | |
1264 | mptspi_dv_renegotiate(struct _MPT_SCSI_HOST *hd) | |
1265 | { | |
1266 | struct work_queue_wrapper *wqw = kmalloc(sizeof(*wqw), GFP_ATOMIC); | |
1267 | ||
1268 | if (!wqw) | |
1269 | return; | |
1270 | ||
c4028958 | 1271 | INIT_WORK(&wqw->work, mptspi_dv_renegotiate_work); |
6e1cad02 EM |
1272 | wqw->hd = hd; |
1273 | ||
1274 | schedule_work(&wqw->work); | |
1275 | } | |
1276 | ||
1277 | /* | |
1278 | * spi module reset handler | |
1279 | */ | |
1280 | static int | |
1281 | mptspi_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) | |
1282 | { | |
6e1cad02 EM |
1283 | int rc; |
1284 | ||
1285 | rc = mptscsih_ioc_reset(ioc, reset_phase); | |
1286 | ||
081a5bcb JB |
1287 | /* only try to do a renegotiation if we're properly set up |
1288 | * if we get an ioc fault on bringup, ioc->sh will be NULL */ | |
1289 | if (reset_phase == MPT_IOC_POST_RESET && | |
1290 | ioc->sh) { | |
1291 | struct _MPT_SCSI_HOST *hd = shost_priv(ioc->sh); | |
1292 | ||
6e1cad02 | 1293 | mptspi_dv_renegotiate(hd); |
081a5bcb | 1294 | } |
6e1cad02 EM |
1295 | |
1296 | return rc; | |
1297 | } | |
1298 | ||
c29ca9d1 | 1299 | #ifdef CONFIG_PM |
6e1cad02 EM |
1300 | /* |
1301 | * spi module resume handler | |
1302 | */ | |
1303 | static int | |
1304 | mptspi_resume(struct pci_dev *pdev) | |
1305 | { | |
1306 | MPT_ADAPTER *ioc = pci_get_drvdata(pdev); | |
e7eae9f6 | 1307 | struct _MPT_SCSI_HOST *hd = shost_priv(ioc->sh); |
6e1cad02 EM |
1308 | int rc; |
1309 | ||
1310 | rc = mptscsih_resume(pdev); | |
1311 | mptspi_dv_renegotiate(hd); | |
1312 | ||
1313 | return rc; | |
1314 | } | |
c29ca9d1 | 1315 | #endif |
6e1cad02 | 1316 | |
243eabcf MED |
1317 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
1318 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1319 | /* | |
1320 | * mptspi_probe - Installs scsi devices per bus. | |
1321 | * @pdev: Pointer to pci_dev structure | |
1322 | * | |
1323 | * Returns 0 for success, non-zero for failure. | |
1324 | * | |
1325 | */ | |
1326 | static int | |
1327 | mptspi_probe(struct pci_dev *pdev, const struct pci_device_id *id) | |
1328 | { | |
1329 | struct Scsi_Host *sh; | |
1330 | MPT_SCSI_HOST *hd; | |
1331 | MPT_ADAPTER *ioc; | |
1332 | unsigned long flags; | |
1ca00bb7 | 1333 | int ii; |
243eabcf MED |
1334 | int numSGE = 0; |
1335 | int scale; | |
1336 | int ioc_cap; | |
243eabcf MED |
1337 | int error=0; |
1338 | int r; | |
c6678e0c | 1339 | |
243eabcf MED |
1340 | if ((r = mpt_attach(pdev,id)) != 0) |
1341 | return r; | |
c6678e0c | 1342 | |
243eabcf | 1343 | ioc = pci_get_drvdata(pdev); |
d335cc38 MED |
1344 | ioc->DoneCtx = mptspiDoneCtx; |
1345 | ioc->TaskCtx = mptspiTaskCtx; | |
1346 | ioc->InternalCtx = mptspiInternalCtx; | |
c6678e0c | 1347 | |
243eabcf MED |
1348 | /* Added sanity check on readiness of the MPT adapter. |
1349 | */ | |
1350 | if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) { | |
1351 | printk(MYIOC_s_WARN_FMT | |
1352 | "Skipping because it's not operational!\n", | |
1353 | ioc->name); | |
7acec1e7 MED |
1354 | error = -ENODEV; |
1355 | goto out_mptspi_probe; | |
243eabcf MED |
1356 | } |
1357 | ||
1358 | if (!ioc->active) { | |
1359 | printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n", | |
1360 | ioc->name); | |
7acec1e7 MED |
1361 | error = -ENODEV; |
1362 | goto out_mptspi_probe; | |
243eabcf MED |
1363 | } |
1364 | ||
1365 | /* Sanity check - ensure at least 1 port is INITIATOR capable | |
1366 | */ | |
1367 | ioc_cap = 0; | |
1368 | for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) { | |
1369 | if (ioc->pfacts[ii].ProtocolFlags & | |
1370 | MPI_PORTFACTS_PROTOCOL_INITIATOR) | |
1371 | ioc_cap ++; | |
1372 | } | |
1373 | ||
1374 | if (!ioc_cap) { | |
1375 | printk(MYIOC_s_WARN_FMT | |
1376 | "Skipping ioc=%p because SCSI Initiator mode is NOT enabled!\n", | |
1377 | ioc->name, ioc); | |
466544d8 | 1378 | return 0; |
243eabcf MED |
1379 | } |
1380 | ||
1381 | sh = scsi_host_alloc(&mptspi_driver_template, sizeof(MPT_SCSI_HOST)); | |
1382 | ||
1383 | if (!sh) { | |
1384 | printk(MYIOC_s_WARN_FMT | |
1385 | "Unable to register controller with SCSI subsystem\n", | |
1386 | ioc->name); | |
7acec1e7 MED |
1387 | error = -1; |
1388 | goto out_mptspi_probe; | |
243eabcf MED |
1389 | } |
1390 | ||
1391 | spin_lock_irqsave(&ioc->FreeQlock, flags); | |
1392 | ||
1393 | /* Attach the SCSI Host to the IOC structure | |
1394 | */ | |
1395 | ioc->sh = sh; | |
1396 | ||
1397 | sh->io_port = 0; | |
1398 | sh->n_io_port = 0; | |
1399 | sh->irq = 0; | |
1400 | ||
1401 | /* set 16 byte cdb's */ | |
1402 | sh->max_cmd_len = 16; | |
1403 | ||
1404 | /* Yikes! This is important! | |
1405 | * Otherwise, by default, linux | |
1406 | * only scans target IDs 0-7! | |
1407 | * pfactsN->MaxDevices unreliable | |
1408 | * (not supported in early | |
1409 | * versions of the FW). | |
1410 | * max_id = 1 + actual max id, | |
1411 | * max_lun = 1 + actual last lun, | |
1412 | * see hosts.h :o( | |
1413 | */ | |
793955f5 | 1414 | sh->max_id = ioc->devices_per_bus; |
243eabcf MED |
1415 | |
1416 | sh->max_lun = MPT_LAST_LUN + 1; | |
c92f222e JB |
1417 | /* |
1418 | * If RAID Firmware Detected, setup virtual channel | |
1419 | */ | |
b506ade9 | 1420 | if (ioc->ir_firmware) |
c92f222e JB |
1421 | sh->max_channel = 1; |
1422 | else | |
1423 | sh->max_channel = 0; | |
243eabcf MED |
1424 | sh->this_id = ioc->pfacts[0].PortSCSIID; |
1425 | ||
1426 | /* Required entry. | |
1427 | */ | |
1428 | sh->unique_id = ioc->id; | |
1429 | ||
1430 | /* Verify that we won't exceed the maximum | |
1431 | * number of chain buffers | |
1432 | * We can optimize: ZZ = req_sz/sizeof(SGE) | |
1433 | * For 32bit SGE's: | |
1434 | * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ | |
1435 | * + (req_sz - 64)/sizeof(SGE) | |
1436 | * A slightly different algorithm is required for | |
1437 | * 64bit SGEs. | |
1438 | */ | |
14d0f0b0 KD |
1439 | scale = ioc->req_sz/ioc->SGE_size; |
1440 | if (ioc->sg_addr_size == sizeof(u64)) { | |
243eabcf MED |
1441 | numSGE = (scale - 1) * |
1442 | (ioc->facts.MaxChainDepth-1) + scale + | |
14d0f0b0 | 1443 | (ioc->req_sz - 60) / ioc->SGE_size; |
243eabcf MED |
1444 | } else { |
1445 | numSGE = 1 + (scale - 1) * | |
1446 | (ioc->facts.MaxChainDepth-1) + scale + | |
14d0f0b0 | 1447 | (ioc->req_sz - 64) / ioc->SGE_size; |
243eabcf MED |
1448 | } |
1449 | ||
1450 | if (numSGE < sh->sg_tablesize) { | |
1451 | /* Reset this value */ | |
29dd3609 | 1452 | dprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
243eabcf MED |
1453 | "Resetting sg_tablesize to %d from %d\n", |
1454 | ioc->name, numSGE, sh->sg_tablesize)); | |
1455 | sh->sg_tablesize = numSGE; | |
1456 | } | |
1457 | ||
243eabcf MED |
1458 | spin_unlock_irqrestore(&ioc->FreeQlock, flags); |
1459 | ||
e7eae9f6 | 1460 | hd = shost_priv(sh); |
243eabcf MED |
1461 | hd->ioc = ioc; |
1462 | ||
1463 | /* SCSI needs scsi_cmnd lookup table! | |
1464 | * (with size equal to req_depth*PtrSz!) | |
1465 | */ | |
e8206381 EM |
1466 | ioc->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC); |
1467 | if (!ioc->ScsiLookup) { | |
243eabcf | 1468 | error = -ENOMEM; |
7acec1e7 | 1469 | goto out_mptspi_probe; |
243eabcf | 1470 | } |
e8206381 | 1471 | spin_lock_init(&ioc->scsi_lookup_lock); |
243eabcf | 1472 | |
d6ecdd63 | 1473 | dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n", |
e8206381 | 1474 | ioc->name, ioc->ScsiLookup)); |
243eabcf | 1475 | |
243eabcf | 1476 | ioc->spi_data.Saf_Te = mpt_saf_te; |
d6ecdd63 | 1477 | ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
ba856d32 | 1478 | "saf_te %x\n", |
243eabcf | 1479 | ioc->name, |
ba856d32 | 1480 | mpt_saf_te)); |
243eabcf MED |
1481 | ioc->spi_data.noQas = 0; |
1482 | ||
243eabcf | 1483 | hd->last_queue_full = 0; |
72978245 | 1484 | hd->spi_pending = 0; |
243eabcf | 1485 | |
c92f222e JB |
1486 | /* Some versions of the firmware don't support page 0; without |
1487 | * that we can't get the parameters */ | |
e80b002b | 1488 | if (ioc->spi_data.sdp0length != 0) |
c92f222e JB |
1489 | sh->transportt = mptspi_transport_template; |
1490 | ||
243eabcf MED |
1491 | error = scsi_add_host (sh, &ioc->pcidev->dev); |
1492 | if(error) { | |
29dd3609 EM |
1493 | dprintk(ioc, printk(MYIOC_s_ERR_FMT |
1494 | "scsi_add_host failed\n", ioc->name)); | |
7acec1e7 | 1495 | goto out_mptspi_probe; |
243eabcf MED |
1496 | } |
1497 | ||
d8e925dc ME |
1498 | /* |
1499 | * issue internal bus reset | |
1500 | */ | |
1501 | if (ioc->spi_data.bus_reset) | |
1ba9ab2e | 1502 | mptscsih_IssueTaskMgmt(hd, |
d8e925dc ME |
1503 | MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, |
1504 | 0, 0, 0, 0, 5); | |
1505 | ||
243eabcf MED |
1506 | scsi_scan_host(sh); |
1507 | return 0; | |
1508 | ||
7acec1e7 | 1509 | out_mptspi_probe: |
243eabcf MED |
1510 | |
1511 | mptscsih_remove(pdev); | |
1512 | return error; | |
1513 | } | |
1514 | ||
1515 | static struct pci_driver mptspi_driver = { | |
1516 | .name = "mptspi", | |
1517 | .id_table = mptspi_pci_table, | |
1518 | .probe = mptspi_probe, | |
1519 | .remove = __devexit_p(mptscsih_remove), | |
d18c3db5 | 1520 | .shutdown = mptscsih_shutdown, |
243eabcf MED |
1521 | #ifdef CONFIG_PM |
1522 | .suspend = mptscsih_suspend, | |
6e1cad02 | 1523 | .resume = mptspi_resume, |
243eabcf MED |
1524 | #endif |
1525 | }; | |
1526 | ||
1527 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1528 | /** | |
d9489fb6 | 1529 | * mptspi_init - Register MPT adapter(s) as SCSI host(s) with SCSI mid-layer. |
243eabcf MED |
1530 | * |
1531 | * Returns 0 for success, non-zero for failure. | |
1532 | */ | |
1533 | static int __init | |
1534 | mptspi_init(void) | |
1535 | { | |
57ce21bf PS |
1536 | int error; |
1537 | ||
243eabcf MED |
1538 | show_mptmod_ver(my_NAME, my_VERSION); |
1539 | ||
c92f222e JB |
1540 | mptspi_transport_template = spi_attach_transport(&mptspi_transport_functions); |
1541 | if (!mptspi_transport_template) | |
1542 | return -ENODEV; | |
1543 | ||
243eabcf MED |
1544 | mptspiDoneCtx = mpt_register(mptscsih_io_done, MPTSPI_DRIVER); |
1545 | mptspiTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSPI_DRIVER); | |
1546 | mptspiInternalCtx = mpt_register(mptscsih_scandv_complete, MPTSPI_DRIVER); | |
1547 | ||
d6ecdd63 PS |
1548 | mpt_event_register(mptspiDoneCtx, mptspi_event_process); |
1549 | mpt_reset_register(mptspiDoneCtx, mptspi_ioc_reset); | |
243eabcf | 1550 | |
57ce21bf PS |
1551 | error = pci_register_driver(&mptspi_driver); |
1552 | if (error) | |
1553 | spi_release_transport(mptspi_transport_template); | |
1554 | ||
1555 | return error; | |
243eabcf MED |
1556 | } |
1557 | ||
1558 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1559 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1560 | /** | |
1561 | * mptspi_exit - Unregisters MPT adapter(s) | |
243eabcf MED |
1562 | */ |
1563 | static void __exit | |
1564 | mptspi_exit(void) | |
1565 | { | |
1566 | pci_unregister_driver(&mptspi_driver); | |
d8e925dc | 1567 | |
243eabcf | 1568 | mpt_reset_deregister(mptspiDoneCtx); |
243eabcf | 1569 | mpt_event_deregister(mptspiDoneCtx); |
243eabcf MED |
1570 | |
1571 | mpt_deregister(mptspiInternalCtx); | |
1572 | mpt_deregister(mptspiTaskCtx); | |
1573 | mpt_deregister(mptspiDoneCtx); | |
c92f222e | 1574 | spi_release_transport(mptspi_transport_template); |
243eabcf MED |
1575 | } |
1576 | ||
1577 | module_init(mptspi_init); | |
1578 | module_exit(mptspi_exit); |