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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> | |
49 | #include <linux/init.h> | |
50 | #include <linux/errno.h> | |
51 | #include <linux/kdev_t.h> | |
52 | #include <linux/blkdev.h> | |
53 | #include <linux/delay.h> /* for mdelay */ | |
54 | #include <linux/interrupt.h> /* needed for in_interrupt() proto */ | |
55 | #include <linux/reboot.h> /* notifier code */ | |
243eabcf | 56 | #include <linux/workqueue.h> |
c92f222e | 57 | #include <linux/raid_class.h> |
243eabcf MED |
58 | |
59 | #include <scsi/scsi.h> | |
60 | #include <scsi/scsi_cmnd.h> | |
61 | #include <scsi/scsi_device.h> | |
62 | #include <scsi/scsi_host.h> | |
63 | #include <scsi/scsi_tcq.h> | |
c92f222e JB |
64 | #include <scsi/scsi_transport.h> |
65 | #include <scsi/scsi_transport_spi.h> | |
873c82ed | 66 | #include <scsi/scsi_dbg.h> |
243eabcf MED |
67 | |
68 | #include "mptbase.h" | |
69 | #include "mptscsih.h" | |
70 | ||
71 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
72 | #define my_NAME "Fusion MPT SPI Host driver" | |
73 | #define my_VERSION MPT_LINUX_VERSION_COMMON | |
74 | #define MYNAM "mptspi" | |
75 | ||
76 | MODULE_AUTHOR(MODULEAUTHOR); | |
77 | MODULE_DESCRIPTION(my_NAME); | |
78 | MODULE_LICENSE("GPL"); | |
9f4203b3 | 79 | MODULE_VERSION(my_VERSION); |
243eabcf MED |
80 | |
81 | /* Command line args */ | |
243eabcf MED |
82 | static int mpt_saf_te = MPTSCSIH_SAF_TE; |
83 | module_param(mpt_saf_te, int, 0); | |
84 | MODULE_PARM_DESC(mpt_saf_te, " Force enabling SEP Processor: enable=1 (default=MPTSCSIH_SAF_TE=0)"); | |
85 | ||
c92f222e JB |
86 | static void mptspi_write_offset(struct scsi_target *, int); |
87 | static void mptspi_write_width(struct scsi_target *, int); | |
88 | static int mptspi_write_spi_device_pg1(struct scsi_target *, | |
89 | struct _CONFIG_PAGE_SCSI_DEVICE_1 *); | |
90 | ||
91 | static struct scsi_transport_template *mptspi_transport_template = NULL; | |
92 | ||
f606f571 PS |
93 | static u8 mptspiDoneCtx = MPT_MAX_PROTOCOL_DRIVERS; |
94 | static u8 mptspiTaskCtx = MPT_MAX_PROTOCOL_DRIVERS; | |
95 | static u8 mptspiInternalCtx = MPT_MAX_PROTOCOL_DRIVERS; /* Used only for internal commands */ | |
243eabcf | 96 | |
5a9c47b1 | 97 | /** |
1544d677 | 98 | * mptspi_setTargetNegoParms - Update the target negotiation parameters |
5a9c47b1 | 99 | * @hd: Pointer to a SCSI Host Structure |
1544d677 | 100 | * @target: per target private data |
5a9c47b1 EM |
101 | * @sdev: SCSI device |
102 | * | |
1544d677 RD |
103 | * Update the target negotiation parameters based on the the Inquiry |
104 | * data, adapter capabilities, and NVRAM settings. | |
5a9c47b1 EM |
105 | **/ |
106 | static void | |
107 | mptspi_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtTarget *target, | |
108 | struct scsi_device *sdev) | |
109 | { | |
e80b002b EM |
110 | MPT_ADAPTER *ioc = hd->ioc; |
111 | SpiCfgData *pspi_data = &ioc->spi_data; | |
5a9c47b1 EM |
112 | int id = (int) target->id; |
113 | int nvram; | |
114 | u8 width = MPT_NARROW; | |
115 | u8 factor = MPT_ASYNC; | |
116 | u8 offset = 0; | |
117 | u8 nfactor; | |
118 | u8 noQas = 1; | |
119 | ||
120 | target->negoFlags = pspi_data->noQas; | |
121 | ||
122 | if (sdev->scsi_level < SCSI_2) { | |
123 | width = 0; | |
124 | factor = MPT_ULTRA2; | |
125 | offset = pspi_data->maxSyncOffset; | |
126 | target->tflags &= ~MPT_TARGET_FLAGS_Q_YES; | |
127 | } else { | |
128 | if (scsi_device_wide(sdev)) | |
129 | width = 1; | |
130 | ||
131 | if (scsi_device_sync(sdev)) { | |
132 | factor = pspi_data->minSyncFactor; | |
133 | if (!scsi_device_dt(sdev)) | |
134 | factor = MPT_ULTRA2; | |
135 | else { | |
136 | if (!scsi_device_ius(sdev) && | |
137 | !scsi_device_qas(sdev)) | |
138 | factor = MPT_ULTRA160; | |
139 | else { | |
140 | factor = MPT_ULTRA320; | |
141 | if (scsi_device_qas(sdev)) { | |
e80b002b | 142 | ddvprintk(ioc, |
29dd3609 | 143 | printk(MYIOC_s_DEBUG_FMT "Enabling QAS due to " |
e80b002b | 144 | "byte56=%02x on id=%d!\n", ioc->name, |
29dd3609 | 145 | scsi_device_qas(sdev), id)); |
5a9c47b1 EM |
146 | noQas = 0; |
147 | } | |
148 | if (sdev->type == TYPE_TAPE && | |
149 | scsi_device_ius(sdev)) | |
150 | target->negoFlags |= MPT_TAPE_NEGO_IDP; | |
151 | } | |
152 | } | |
153 | offset = pspi_data->maxSyncOffset; | |
154 | ||
155 | /* If RAID, never disable QAS | |
156 | * else if non RAID, do not disable | |
157 | * QAS if bit 1 is set | |
158 | * bit 1 QAS support, non-raid only | |
159 | * bit 0 IU support | |
160 | */ | |
161 | if (target->raidVolume == 1) | |
162 | noQas = 0; | |
163 | } else { | |
164 | factor = MPT_ASYNC; | |
165 | offset = 0; | |
166 | } | |
167 | } | |
168 | ||
169 | if (!sdev->tagged_supported) | |
170 | target->tflags &= ~MPT_TARGET_FLAGS_Q_YES; | |
171 | ||
172 | /* Update tflags based on NVRAM settings. (SCSI only) | |
173 | */ | |
174 | if (pspi_data->nvram && (pspi_data->nvram[id] != MPT_HOST_NVRAM_INVALID)) { | |
175 | nvram = pspi_data->nvram[id]; | |
176 | nfactor = (nvram & MPT_NVRAM_SYNC_MASK) >> 8; | |
177 | ||
178 | if (width) | |
179 | width = nvram & MPT_NVRAM_WIDE_DISABLE ? 0 : 1; | |
180 | ||
181 | if (offset > 0) { | |
182 | /* Ensure factor is set to the | |
183 | * maximum of: adapter, nvram, inquiry | |
184 | */ | |
185 | if (nfactor) { | |
186 | if (nfactor < pspi_data->minSyncFactor ) | |
187 | nfactor = pspi_data->minSyncFactor; | |
188 | ||
189 | factor = max(factor, nfactor); | |
190 | if (factor == MPT_ASYNC) | |
191 | offset = 0; | |
192 | } else { | |
193 | offset = 0; | |
194 | factor = MPT_ASYNC; | |
195 | } | |
196 | } else { | |
197 | factor = MPT_ASYNC; | |
198 | } | |
199 | } | |
200 | ||
201 | /* Make sure data is consistent | |
202 | */ | |
203 | if ((!width) && (factor < MPT_ULTRA2)) | |
204 | factor = MPT_ULTRA2; | |
205 | ||
206 | /* Save the data to the target structure. | |
207 | */ | |
208 | target->minSyncFactor = factor; | |
209 | target->maxOffset = offset; | |
210 | target->maxWidth = width; | |
211 | ||
212 | target->tflags |= MPT_TARGET_FLAGS_VALID_NEGO; | |
213 | ||
214 | /* Disable unused features. | |
215 | */ | |
216 | if (!width) | |
217 | target->negoFlags |= MPT_TARGET_NO_NEGO_WIDE; | |
218 | ||
219 | if (!offset) | |
220 | target->negoFlags |= MPT_TARGET_NO_NEGO_SYNC; | |
221 | ||
222 | if ( factor > MPT_ULTRA320 ) | |
223 | noQas = 0; | |
224 | ||
225 | if (noQas && (pspi_data->noQas == 0)) { | |
226 | pspi_data->noQas |= MPT_TARGET_NO_NEGO_QAS; | |
227 | target->negoFlags |= MPT_TARGET_NO_NEGO_QAS; | |
228 | ||
229 | /* Disable QAS in a mixed configuration case | |
230 | */ | |
231 | ||
e80b002b EM |
232 | ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
233 | "Disabling QAS due to noQas=%02x on id=%d!\n", ioc->name, noQas, id)); | |
5a9c47b1 EM |
234 | } |
235 | } | |
236 | ||
237 | /** | |
238 | * mptspi_writeIOCPage4 - write IOC Page 4 | |
239 | * @hd: Pointer to a SCSI Host Structure | |
1544d677 | 240 | * @channel: channel number |
5a9c47b1 EM |
241 | * @id: write IOC Page4 for this ID & Bus |
242 | * | |
243 | * Return: -EAGAIN if unable to obtain a Message Frame | |
244 | * or 0 if success. | |
245 | * | |
246 | * Remark: We do not wait for a return, write pages sequentially. | |
247 | **/ | |
248 | static int | |
249 | mptspi_writeIOCPage4(MPT_SCSI_HOST *hd, u8 channel , u8 id) | |
250 | { | |
251 | MPT_ADAPTER *ioc = hd->ioc; | |
252 | Config_t *pReq; | |
253 | IOCPage4_t *IOCPage4Ptr; | |
254 | MPT_FRAME_HDR *mf; | |
255 | dma_addr_t dataDma; | |
256 | u16 req_idx; | |
257 | u32 frameOffset; | |
258 | u32 flagsLength; | |
259 | int ii; | |
260 | ||
261 | /* Get a MF for this command. | |
262 | */ | |
263 | if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) { | |
d6ecdd63 PS |
264 | dfailprintk(ioc, printk(MYIOC_s_WARN_FMT |
265 | "writeIOCPage4 : no msg frames!\n",ioc->name)); | |
5a9c47b1 EM |
266 | return -EAGAIN; |
267 | } | |
268 | ||
269 | /* Set the request and the data pointers. | |
270 | * Place data at end of MF. | |
271 | */ | |
272 | pReq = (Config_t *)mf; | |
273 | ||
274 | req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); | |
275 | frameOffset = ioc->req_sz - sizeof(IOCPage4_t); | |
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 | ||
14d0f0b0 | 303 | ioc->add_sge((char *)&pReq->PageBufferSGE, flagsLength, dataDma); |
5a9c47b1 | 304 | |
d6ecdd63 | 305 | ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
5a9c47b1 | 306 | "writeIOCPage4: MaxSEP=%d ActiveSEP=%d id=%d bus=%d\n", |
29dd3609 | 307 | ioc->name, IOCPage4Ptr->MaxSEP, IOCPage4Ptr->ActiveSEP, id, channel)); |
5a9c47b1 EM |
308 | |
309 | mpt_put_msg_frame(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, vtarget->channel, 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, vtarget->channel, vtarget->id); | |
359 | } | |
360 | } | |
361 | } | |
362 | mptspi_setTargetNegoParms(hd, vtarget, sdev); | |
363 | } | |
793955f5 EM |
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; | |
e80b002b | 379 | MPT_ADAPTER *ioc = hd->ioc; |
793955f5 | 380 | |
e80b002b | 381 | if (!ioc->raid_data.pIocPg2) |
793955f5 EM |
382 | goto out; |
383 | ||
e80b002b | 384 | if (!ioc->raid_data.pIocPg2->NumActiveVolumes) |
793955f5 | 385 | goto out; |
e80b002b EM |
386 | for (i=0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) { |
387 | if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID == id) { | |
793955f5 EM |
388 | rc = 1; |
389 | goto out; | |
390 | } | |
391 | } | |
392 | ||
393 | out: | |
394 | return rc; | |
395 | } | |
396 | ||
c92f222e JB |
397 | static int mptspi_target_alloc(struct scsi_target *starget) |
398 | { | |
399 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
e7eae9f6 | 400 | struct _MPT_SCSI_HOST *hd = shost_priv(shost); |
793955f5 | 401 | VirtTarget *vtarget; |
e80b002b | 402 | MPT_ADAPTER *ioc; |
c92f222e JB |
403 | |
404 | if (hd == NULL) | |
405 | return -ENODEV; | |
406 | ||
e80b002b | 407 | ioc = hd->ioc; |
793955f5 EM |
408 | vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL); |
409 | if (!vtarget) | |
410 | return -ENOMEM; | |
411 | ||
e80b002b | 412 | vtarget->ioc_id = ioc->id; |
793955f5 EM |
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) { | |
e80b002b | 420 | if (mptscsih_is_phys_disk(ioc, 0, starget->id) == 0) |
793955f5 EM |
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) */ | |
e80b002b | 426 | vtarget->id = mptscsih_raid_id_to_num(ioc, 0, |
793955f5 EM |
427 | starget->id); |
428 | } | |
c92f222e | 429 | |
793955f5 EM |
430 | if (starget->channel == 0 && |
431 | mptspi_is_raid(hd, starget->id)) { | |
432 | vtarget->raidVolume = 1; | |
e80b002b EM |
433 | ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
434 | "RAID Volume @ channel=%d id=%d\n", ioc->name, starget->channel, | |
793955f5 EM |
435 | starget->id)); |
436 | } | |
c92f222e | 437 | |
e80b002b EM |
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]; | |
c92f222e JB |
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 { | |
e80b002b EM |
444 | spi_min_period(starget) = ioc->spi_data.minSyncFactor; |
445 | spi_max_width(starget) = ioc->spi_data.maxBusWidth; | |
c92f222e | 446 | } |
e80b002b | 447 | spi_max_offset(starget) = ioc->spi_data.maxSyncOffset; |
c92f222e JB |
448 | |
449 | spi_offset(starget) = 0; | |
cc472449 | 450 | spi_period(starget) = 0xFF; |
c92f222e JB |
451 | mptspi_write_width(starget, 0); |
452 | ||
453 | return 0; | |
454 | } | |
455 | ||
301b01aa | 456 | static void |
793955f5 EM |
457 | mptspi_target_destroy(struct scsi_target *starget) |
458 | { | |
459 | if (starget->hostdata) | |
460 | kfree(starget->hostdata); | |
461 | starget->hostdata = NULL; | |
462 | } | |
463 | ||
873c82ed EM |
464 | /** |
465 | * mptspi_print_write_nego - negotiation parameters debug info that is being sent | |
466 | * @hd: Pointer to a SCSI HOST structure | |
467 | * @starget: SCSI target | |
468 | * @ii: negotiation parameters | |
469 | * | |
470 | */ | |
471 | static void | |
472 | mptspi_print_write_nego(struct _MPT_SCSI_HOST *hd, struct scsi_target *starget, u32 ii) | |
473 | { | |
d6ecdd63 | 474 | ddvprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT "id=%d Requested = 0x%08x" |
873c82ed EM |
475 | " ( %s factor = 0x%02x @ offset = 0x%02x %s%s%s%s%s%s%s%s)\n", |
476 | hd->ioc->name, starget->id, ii, | |
477 | ii & MPI_SCSIDEVPAGE0_NP_WIDE ? "Wide ": "", | |
478 | ((ii >> 8) & 0xFF), ((ii >> 16) & 0xFF), | |
479 | ii & MPI_SCSIDEVPAGE0_NP_IU ? "IU ": "", | |
480 | ii & MPI_SCSIDEVPAGE0_NP_DT ? "DT ": "", | |
481 | ii & MPI_SCSIDEVPAGE0_NP_QAS ? "QAS ": "", | |
482 | ii & MPI_SCSIDEVPAGE0_NP_HOLD_MCS ? "HOLDMCS ": "", | |
483 | ii & MPI_SCSIDEVPAGE0_NP_WR_FLOW ? "WRFLOW ": "", | |
484 | ii & MPI_SCSIDEVPAGE0_NP_RD_STRM ? "RDSTRM ": "", | |
485 | ii & MPI_SCSIDEVPAGE0_NP_RTI ? "RTI ": "", | |
486 | ii & MPI_SCSIDEVPAGE0_NP_PCOMP_EN ? "PCOMP ": "")); | |
487 | } | |
488 | ||
489 | /** | |
490 | * mptspi_print_read_nego - negotiation parameters debug info that is being read | |
491 | * @hd: Pointer to a SCSI HOST structure | |
492 | * @starget: SCSI target | |
493 | * @ii: negotiation parameters | |
494 | * | |
495 | */ | |
496 | static void | |
497 | mptspi_print_read_nego(struct _MPT_SCSI_HOST *hd, struct scsi_target *starget, u32 ii) | |
498 | { | |
d6ecdd63 | 499 | ddvprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT "id=%d Read = 0x%08x" |
873c82ed EM |
500 | " ( %s factor = 0x%02x @ offset = 0x%02x %s%s%s%s%s%s%s%s)\n", |
501 | hd->ioc->name, starget->id, ii, | |
502 | ii & MPI_SCSIDEVPAGE0_NP_WIDE ? "Wide ": "", | |
503 | ((ii >> 8) & 0xFF), ((ii >> 16) & 0xFF), | |
504 | ii & MPI_SCSIDEVPAGE0_NP_IU ? "IU ": "", | |
505 | ii & MPI_SCSIDEVPAGE0_NP_DT ? "DT ": "", | |
506 | ii & MPI_SCSIDEVPAGE0_NP_QAS ? "QAS ": "", | |
507 | ii & MPI_SCSIDEVPAGE0_NP_HOLD_MCS ? "HOLDMCS ": "", | |
508 | ii & MPI_SCSIDEVPAGE0_NP_WR_FLOW ? "WRFLOW ": "", | |
509 | ii & MPI_SCSIDEVPAGE0_NP_RD_STRM ? "RDSTRM ": "", | |
510 | ii & MPI_SCSIDEVPAGE0_NP_RTI ? "RTI ": "", | |
511 | ii & MPI_SCSIDEVPAGE0_NP_PCOMP_EN ? "PCOMP ": "")); | |
512 | } | |
513 | ||
c92f222e JB |
514 | static int mptspi_read_spi_device_pg0(struct scsi_target *starget, |
515 | struct _CONFIG_PAGE_SCSI_DEVICE_0 *pass_pg0) | |
516 | { | |
517 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
e7eae9f6 | 518 | struct _MPT_SCSI_HOST *hd = shost_priv(shost); |
c92f222e | 519 | struct _MPT_ADAPTER *ioc = hd->ioc; |
bc6e089a EM |
520 | struct _CONFIG_PAGE_SCSI_DEVICE_0 *spi_dev_pg0; |
521 | dma_addr_t spi_dev_pg0_dma; | |
c92f222e JB |
522 | int size; |
523 | struct _x_config_parms cfg; | |
524 | struct _CONFIG_PAGE_HEADER hdr; | |
525 | int err = -EBUSY; | |
526 | ||
527 | /* No SPI parameters for RAID devices */ | |
528 | if (starget->channel == 0 && | |
793955f5 | 529 | mptspi_is_raid(hd, starget->id)) |
c92f222e JB |
530 | return -1; |
531 | ||
532 | size = ioc->spi_data.sdp0length * 4; | |
533 | /* | |
534 | if (ioc->spi_data.sdp0length & 1) | |
535 | size += size + 4; | |
536 | size += 2048; | |
537 | */ | |
538 | ||
bc6e089a EM |
539 | spi_dev_pg0 = dma_alloc_coherent(&ioc->pcidev->dev, size, &spi_dev_pg0_dma, GFP_KERNEL); |
540 | if (spi_dev_pg0 == NULL) { | |
c51d0bea | 541 | starget_printk(KERN_ERR, starget, MYIOC_s_FMT |
29dd3609 | 542 | "dma_alloc_coherent for parameters failed\n", ioc->name); |
c92f222e JB |
543 | return -EINVAL; |
544 | } | |
545 | ||
546 | memset(&hdr, 0, sizeof(hdr)); | |
547 | ||
548 | hdr.PageVersion = ioc->spi_data.sdp0version; | |
549 | hdr.PageLength = ioc->spi_data.sdp0length; | |
550 | hdr.PageNumber = 0; | |
551 | hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; | |
552 | ||
553 | memset(&cfg, 0, sizeof(cfg)); | |
554 | ||
555 | cfg.cfghdr.hdr = &hdr; | |
bc6e089a | 556 | cfg.physAddr = spi_dev_pg0_dma; |
c92f222e JB |
557 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; |
558 | cfg.dir = 0; | |
559 | cfg.pageAddr = starget->id; | |
560 | ||
561 | if (mpt_config(ioc, &cfg)) { | |
c51d0bea | 562 | starget_printk(KERN_ERR, starget, MYIOC_s_FMT "mpt_config failed\n", ioc->name); |
c92f222e JB |
563 | goto out_free; |
564 | } | |
565 | err = 0; | |
bc6e089a | 566 | memcpy(pass_pg0, spi_dev_pg0, size); |
c92f222e | 567 | |
bc6e089a | 568 | mptspi_print_read_nego(hd, starget, le32_to_cpu(spi_dev_pg0->NegotiatedParameters)); |
873c82ed | 569 | |
c92f222e | 570 | out_free: |
bc6e089a | 571 | dma_free_coherent(&ioc->pcidev->dev, size, spi_dev_pg0, spi_dev_pg0_dma); |
c92f222e JB |
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; | |
bc6e089a | 598 | struct _CONFIG_PAGE_SCSI_DEVICE_0 spi_dev_pg0; |
c92f222e | 599 | |
bc6e089a | 600 | mptspi_read_spi_device_pg0(starget, &spi_dev_pg0); |
c92f222e | 601 | |
bc6e089a | 602 | nego = le32_to_cpu(spi_dev_pg0.NegotiatedParameters); |
c92f222e JB |
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 | ||
37c60f37 | 617 | int |
793955f5 | 618 | mptscsih_quiesce_raid(MPT_SCSI_HOST *hd, int quiesce, u8 channel, u8 id) |
c92f222e | 619 | { |
37c60f37 | 620 | MPT_ADAPTER *ioc = hd->ioc; |
c92f222e JB |
621 | MpiRaidActionRequest_t *pReq; |
622 | MPT_FRAME_HDR *mf; | |
37c60f37 KD |
623 | int ret; |
624 | unsigned long timeleft; | |
625 | ||
626 | mutex_lock(&ioc->internal_cmds.mutex); | |
c92f222e JB |
627 | |
628 | /* Get and Populate a free Frame | |
629 | */ | |
e80b002b | 630 | if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) { |
37c60f37 KD |
631 | dfailprintk(hd->ioc, printk(MYIOC_s_WARN_FMT |
632 | "%s: no msg frames!\n", ioc->name, __func__)); | |
633 | ret = -EAGAIN; | |
634 | goto out; | |
c92f222e JB |
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; | |
793955f5 EM |
644 | pReq->VolumeID = id; |
645 | pReq->VolumeBus = channel; | |
c92f222e JB |
646 | pReq->PhysDiskNum = 0; |
647 | pReq->MsgFlags = 0; | |
648 | pReq->Reserved2 = 0; | |
649 | pReq->ActionDataWord = 0; /* Reserved for this action */ | |
650 | ||
14d0f0b0 | 651 | ioc->add_sge((char *)&pReq->ActionDataSGE, |
c92f222e JB |
652 | MPT_SGE_FLAGS_SSIMPLE_READ | 0, (dma_addr_t) -1); |
653 | ||
e80b002b EM |
654 | ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RAID Volume action=%x channel=%d id=%d\n", |
655 | ioc->name, pReq->Action, channel, id)); | |
c92f222e | 656 | |
37c60f37 | 657 | INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status) |
e80b002b | 658 | mpt_put_msg_frame(ioc->InternalCtx, ioc, mf); |
37c60f37 KD |
659 | timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done, 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 | } | |
c92f222e | 674 | |
37c60f37 | 675 | ret = ioc->internal_cmds.completion_code; |
c92f222e | 676 | |
37c60f37 KD |
677 | out: |
678 | CLEAR_MGMT_STATUS(ioc->internal_cmds.status) | |
679 | mutex_unlock(&ioc->internal_cmds.mutex); | |
680 | return ret; | |
c92f222e JB |
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; | |
e80b002b | 687 | MPT_ADAPTER *ioc = hd->ioc; |
c92f222e JB |
688 | |
689 | /* no DV on RAID devices */ | |
690 | if (sdev->channel == 0 && | |
793955f5 | 691 | mptspi_is_raid(hd, sdev->id)) |
c92f222e JB |
692 | return; |
693 | ||
694 | /* If this is a piece of a RAID, then quiesce first */ | |
695 | if (sdev->channel == 1 && | |
793955f5 | 696 | mptscsih_quiesce_raid(hd, 1, vtarget->channel, vtarget->id) < 0) { |
c51d0bea | 697 | starget_printk(KERN_ERR, scsi_target(sdev), MYIOC_s_FMT |
e80b002b | 698 | "Integrated RAID quiesce failed\n", ioc->name); |
c92f222e JB |
699 | return; |
700 | } | |
701 | ||
72978245 | 702 | hd->spi_pending |= (1 << sdev->id); |
c92f222e | 703 | spi_dv_device(sdev); |
72978245 | 704 | hd->spi_pending &= ~(1 << sdev->id); |
c92f222e JB |
705 | |
706 | if (sdev->channel == 1 && | |
793955f5 | 707 | mptscsih_quiesce_raid(hd, 0, vtarget->channel, vtarget->id) < 0) |
c51d0bea | 708 | starget_printk(KERN_ERR, scsi_target(sdev), MYIOC_s_FMT |
e80b002b | 709 | "Integrated RAID resume failed\n", ioc->name); |
c92f222e JB |
710 | |
711 | mptspi_read_parameters(sdev->sdev_target); | |
712 | spi_display_xfer_agreement(sdev->sdev_target); | |
713 | mptspi_read_parameters(sdev->sdev_target); | |
714 | } | |
715 | ||
716 | static int mptspi_slave_alloc(struct scsi_device *sdev) | |
717 | { | |
e7eae9f6 | 718 | MPT_SCSI_HOST *hd = shost_priv(sdev->host); |
793955f5 | 719 | VirtTarget *vtarget; |
a69de507 | 720 | VirtDevice *vdevice; |
793955f5 | 721 | struct scsi_target *starget; |
e80b002b | 722 | MPT_ADAPTER *ioc = hd->ioc; |
c92f222e | 723 | |
793955f5 | 724 | if (sdev->channel == 1 && |
e80b002b | 725 | mptscsih_is_phys_disk(ioc, 0, sdev->id) == 0) |
793955f5 EM |
726 | return -ENXIO; |
727 | ||
a69de507 EM |
728 | vdevice = kzalloc(sizeof(VirtDevice), GFP_KERNEL); |
729 | if (!vdevice) { | |
793955f5 | 730 | printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n", |
e80b002b | 731 | ioc->name, sizeof(VirtDevice)); |
793955f5 | 732 | return -ENOMEM; |
c92f222e JB |
733 | } |
734 | ||
a69de507 EM |
735 | vdevice->lun = sdev->lun; |
736 | sdev->hostdata = vdevice; | |
c92f222e | 737 | |
793955f5 EM |
738 | starget = scsi_target(sdev); |
739 | vtarget = starget->hostdata; | |
a69de507 | 740 | vdevice->vtarget = vtarget; |
793955f5 | 741 | vtarget->num_luns++; |
c92f222e | 742 | |
793955f5 | 743 | if (sdev->channel == 1) |
c92f222e | 744 | sdev->no_uld_attach = 1; |
c92f222e JB |
745 | |
746 | return 0; | |
747 | } | |
748 | ||
749 | static int mptspi_slave_configure(struct scsi_device *sdev) | |
750 | { | |
e7eae9f6 | 751 | struct _MPT_SCSI_HOST *hd = shost_priv(sdev->host); |
5a9c47b1 | 752 | VirtTarget *vtarget = scsi_target(sdev)->hostdata; |
29982e9a DC |
753 | int ret; |
754 | ||
755 | mptspi_initTarget(hd, vtarget, sdev); | |
756 | ||
757 | ret = mptscsih_slave_configure(sdev); | |
c92f222e JB |
758 | |
759 | if (ret) | |
760 | return ret; | |
761 | ||
d6ecdd63 | 762 | ddvprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT "id=%d min_period=0x%02x" |
873c82ed EM |
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 | ||
c92f222e | 768 | if ((sdev->channel == 1 || |
793955f5 | 769 | !(mptspi_is_raid(hd, sdev->id))) && |
c92f222e JB |
770 | !spi_initial_dv(sdev->sdev_target)) |
771 | mptspi_dv_device(hd, sdev); | |
772 | ||
773 | return 0; | |
774 | } | |
775 | ||
793955f5 EM |
776 | static int |
777 | mptspi_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) | |
778 | { | |
e7eae9f6 | 779 | struct _MPT_SCSI_HOST *hd = shost_priv(SCpnt->device->host); |
a69de507 | 780 | VirtDevice *vdevice = SCpnt->device->hostdata; |
e80b002b | 781 | MPT_ADAPTER *ioc = hd->ioc; |
793955f5 | 782 | |
a69de507 | 783 | if (!vdevice || !vdevice->vtarget) { |
793955f5 EM |
784 | SCpnt->result = DID_NO_CONNECT << 16; |
785 | done(SCpnt); | |
786 | return 0; | |
787 | } | |
788 | ||
789 | if (SCpnt->device->channel == 1 && | |
e80b002b | 790 | mptscsih_is_phys_disk(ioc, 0, SCpnt->device->id) == 0) { |
793955f5 EM |
791 | SCpnt->result = DID_NO_CONNECT << 16; |
792 | done(SCpnt); | |
793 | return 0; | |
794 | } | |
795 | ||
873c82ed | 796 | if (spi_dv_pending(scsi_target(SCpnt->device))) |
e80b002b | 797 | ddvprintk(ioc, scsi_print_command(SCpnt)); |
873c82ed | 798 | |
793955f5 EM |
799 | return mptscsih_qcmd(SCpnt,done); |
800 | } | |
801 | ||
c92f222e JB |
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(sdev); | |
821 | } | |
822 | ||
243eabcf | 823 | static struct scsi_host_template mptspi_driver_template = { |
f78496da | 824 | .module = THIS_MODULE, |
243eabcf MED |
825 | .proc_name = "mptspi", |
826 | .proc_info = mptscsih_proc_info, | |
827 | .name = "MPT SPI Host", | |
828 | .info = mptscsih_info, | |
793955f5 | 829 | .queuecommand = mptspi_qcmd, |
c92f222e JB |
830 | .target_alloc = mptspi_target_alloc, |
831 | .slave_alloc = mptspi_slave_alloc, | |
832 | .slave_configure = mptspi_slave_configure, | |
793955f5 | 833 | .target_destroy = mptspi_target_destroy, |
c92f222e | 834 | .slave_destroy = mptspi_slave_destroy, |
6e3815ba | 835 | .change_queue_depth = mptscsih_change_queue_depth, |
243eabcf MED |
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 | .use_clustering = ENABLE_CLUSTERING, | |
edb9068d | 847 | .shost_attrs = mptscsih_host_attrs, |
243eabcf MED |
848 | }; |
849 | ||
c92f222e JB |
850 | static int mptspi_write_spi_device_pg1(struct scsi_target *starget, |
851 | struct _CONFIG_PAGE_SCSI_DEVICE_1 *pass_pg1) | |
852 | { | |
853 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
e7eae9f6 | 854 | struct _MPT_SCSI_HOST *hd = shost_priv(shost); |
c92f222e JB |
855 | struct _MPT_ADAPTER *ioc = hd->ioc; |
856 | struct _CONFIG_PAGE_SCSI_DEVICE_1 *pg1; | |
857 | dma_addr_t pg1_dma; | |
858 | int size; | |
859 | struct _x_config_parms cfg; | |
860 | struct _CONFIG_PAGE_HEADER hdr; | |
861 | int err = -EBUSY; | |
862 | ||
863 | /* don't allow updating nego parameters on RAID devices */ | |
864 | if (starget->channel == 0 && | |
793955f5 | 865 | mptspi_is_raid(hd, starget->id)) |
c92f222e JB |
866 | return -1; |
867 | ||
868 | size = ioc->spi_data.sdp1length * 4; | |
869 | ||
870 | pg1 = dma_alloc_coherent(&ioc->pcidev->dev, size, &pg1_dma, GFP_KERNEL); | |
871 | if (pg1 == NULL) { | |
c51d0bea | 872 | starget_printk(KERN_ERR, starget, MYIOC_s_FMT |
29dd3609 | 873 | "dma_alloc_coherent for parameters failed\n", ioc->name); |
c92f222e JB |
874 | return -EINVAL; |
875 | } | |
876 | ||
877 | memset(&hdr, 0, sizeof(hdr)); | |
878 | ||
879 | hdr.PageVersion = ioc->spi_data.sdp1version; | |
880 | hdr.PageLength = ioc->spi_data.sdp1length; | |
881 | hdr.PageNumber = 1; | |
882 | hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; | |
883 | ||
884 | memset(&cfg, 0, sizeof(cfg)); | |
885 | ||
886 | cfg.cfghdr.hdr = &hdr; | |
887 | cfg.physAddr = pg1_dma; | |
888 | cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT; | |
889 | cfg.dir = 1; | |
890 | cfg.pageAddr = starget->id; | |
891 | ||
892 | memcpy(pg1, pass_pg1, size); | |
893 | ||
894 | pg1->Header.PageVersion = hdr.PageVersion; | |
895 | pg1->Header.PageLength = hdr.PageLength; | |
896 | pg1->Header.PageNumber = hdr.PageNumber; | |
897 | pg1->Header.PageType = hdr.PageType; | |
898 | ||
873c82ed EM |
899 | mptspi_print_write_nego(hd, starget, le32_to_cpu(pg1->RequestedParameters)); |
900 | ||
c92f222e | 901 | if (mpt_config(ioc, &cfg)) { |
c51d0bea | 902 | starget_printk(KERN_ERR, starget, MYIOC_s_FMT |
29dd3609 | 903 | "mpt_config failed\n", ioc->name); |
c92f222e JB |
904 | goto out_free; |
905 | } | |
906 | err = 0; | |
907 | ||
908 | out_free: | |
909 | dma_free_coherent(&ioc->pcidev->dev, size, pg1, pg1_dma); | |
910 | return err; | |
911 | } | |
912 | ||
913 | static void mptspi_write_offset(struct scsi_target *starget, int offset) | |
914 | { | |
915 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; | |
916 | u32 nego; | |
917 | ||
918 | if (offset < 0) | |
919 | offset = 0; | |
920 | ||
921 | if (offset > 255) | |
922 | offset = 255; | |
923 | ||
924 | if (spi_offset(starget) == -1) | |
925 | mptspi_read_parameters(starget); | |
926 | ||
927 | spi_offset(starget) = offset; | |
928 | ||
929 | nego = mptspi_getRP(starget); | |
930 | ||
931 | pg1.RequestedParameters = cpu_to_le32(nego); | |
932 | pg1.Reserved = 0; | |
933 | pg1.Configuration = 0; | |
934 | ||
935 | mptspi_write_spi_device_pg1(starget, &pg1); | |
936 | } | |
937 | ||
938 | static void mptspi_write_period(struct scsi_target *starget, int period) | |
939 | { | |
940 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; | |
941 | u32 nego; | |
942 | ||
943 | if (period < 8) | |
944 | period = 8; | |
945 | ||
946 | if (period > 255) | |
947 | period = 255; | |
948 | ||
949 | if (spi_period(starget) == -1) | |
950 | mptspi_read_parameters(starget); | |
951 | ||
952 | if (period == 8) { | |
953 | spi_iu(starget) = 1; | |
954 | spi_dt(starget) = 1; | |
955 | } else if (period == 9) { | |
956 | spi_dt(starget) = 1; | |
957 | } | |
958 | ||
959 | spi_period(starget) = period; | |
960 | ||
961 | nego = mptspi_getRP(starget); | |
962 | ||
963 | pg1.RequestedParameters = cpu_to_le32(nego); | |
964 | pg1.Reserved = 0; | |
965 | pg1.Configuration = 0; | |
966 | ||
967 | mptspi_write_spi_device_pg1(starget, &pg1); | |
968 | } | |
969 | ||
970 | static void mptspi_write_dt(struct scsi_target *starget, int dt) | |
971 | { | |
972 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; | |
973 | u32 nego; | |
974 | ||
975 | if (spi_period(starget) == -1) | |
976 | mptspi_read_parameters(starget); | |
977 | ||
978 | if (!dt && spi_period(starget) < 10) | |
979 | spi_period(starget) = 10; | |
980 | ||
981 | spi_dt(starget) = dt; | |
982 | ||
983 | nego = mptspi_getRP(starget); | |
984 | ||
985 | ||
986 | pg1.RequestedParameters = cpu_to_le32(nego); | |
987 | pg1.Reserved = 0; | |
988 | pg1.Configuration = 0; | |
989 | ||
990 | mptspi_write_spi_device_pg1(starget, &pg1); | |
991 | } | |
992 | ||
993 | static void mptspi_write_iu(struct scsi_target *starget, int iu) | |
994 | { | |
995 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; | |
996 | u32 nego; | |
997 | ||
998 | if (spi_period(starget) == -1) | |
999 | mptspi_read_parameters(starget); | |
1000 | ||
1001 | if (!iu && spi_period(starget) < 9) | |
1002 | spi_period(starget) = 9; | |
1003 | ||
1004 | spi_iu(starget) = iu; | |
1005 | ||
1006 | nego = mptspi_getRP(starget); | |
1007 | ||
1008 | pg1.RequestedParameters = cpu_to_le32(nego); | |
1009 | pg1.Reserved = 0; | |
1010 | pg1.Configuration = 0; | |
1011 | ||
1012 | mptspi_write_spi_device_pg1(starget, &pg1); | |
1013 | } | |
1014 | ||
1015 | #define MPTSPI_SIMPLE_TRANSPORT_PARM(parm) \ | |
1016 | static void mptspi_write_##parm(struct scsi_target *starget, int parm)\ | |
1017 | { \ | |
1018 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; \ | |
1019 | u32 nego; \ | |
1020 | \ | |
1021 | spi_##parm(starget) = parm; \ | |
1022 | \ | |
1023 | nego = mptspi_getRP(starget); \ | |
1024 | \ | |
1025 | pg1.RequestedParameters = cpu_to_le32(nego); \ | |
1026 | pg1.Reserved = 0; \ | |
1027 | pg1.Configuration = 0; \ | |
1028 | \ | |
1029 | mptspi_write_spi_device_pg1(starget, &pg1); \ | |
1030 | } | |
1031 | ||
1032 | MPTSPI_SIMPLE_TRANSPORT_PARM(rd_strm) | |
1033 | MPTSPI_SIMPLE_TRANSPORT_PARM(wr_flow) | |
1034 | MPTSPI_SIMPLE_TRANSPORT_PARM(rti) | |
1035 | MPTSPI_SIMPLE_TRANSPORT_PARM(hold_mcs) | |
1036 | MPTSPI_SIMPLE_TRANSPORT_PARM(pcomp_en) | |
1037 | ||
1038 | static void mptspi_write_qas(struct scsi_target *starget, int qas) | |
1039 | { | |
1040 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; | |
1041 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
e7eae9f6 | 1042 | struct _MPT_SCSI_HOST *hd = shost_priv(shost); |
c92f222e JB |
1043 | VirtTarget *vtarget = starget->hostdata; |
1044 | u32 nego; | |
1045 | ||
1046 | if ((vtarget->negoFlags & MPT_TARGET_NO_NEGO_QAS) || | |
1047 | hd->ioc->spi_data.noQas) | |
1048 | spi_qas(starget) = 0; | |
1049 | else | |
1050 | spi_qas(starget) = qas; | |
1051 | ||
1052 | nego = mptspi_getRP(starget); | |
1053 | ||
1054 | pg1.RequestedParameters = cpu_to_le32(nego); | |
1055 | pg1.Reserved = 0; | |
1056 | pg1.Configuration = 0; | |
1057 | ||
1058 | mptspi_write_spi_device_pg1(starget, &pg1); | |
1059 | } | |
1060 | ||
1061 | static void mptspi_write_width(struct scsi_target *starget, int width) | |
1062 | { | |
1063 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; | |
1064 | u32 nego; | |
1065 | ||
1066 | if (!width) { | |
1067 | spi_dt(starget) = 0; | |
1068 | if (spi_period(starget) < 10) | |
1069 | spi_period(starget) = 10; | |
1070 | } | |
1071 | ||
1072 | spi_width(starget) = width; | |
1073 | ||
1074 | nego = mptspi_getRP(starget); | |
1075 | ||
1076 | pg1.RequestedParameters = cpu_to_le32(nego); | |
1077 | pg1.Reserved = 0; | |
1078 | pg1.Configuration = 0; | |
1079 | ||
1080 | mptspi_write_spi_device_pg1(starget, &pg1); | |
1081 | } | |
1082 | ||
1083 | struct work_queue_wrapper { | |
1084 | struct work_struct work; | |
1085 | struct _MPT_SCSI_HOST *hd; | |
1086 | int disk; | |
1087 | }; | |
1088 | ||
c4028958 | 1089 | static void mpt_work_wrapper(struct work_struct *work) |
c92f222e | 1090 | { |
c4028958 DH |
1091 | struct work_queue_wrapper *wqw = |
1092 | container_of(work, struct work_queue_wrapper, work); | |
c92f222e | 1093 | struct _MPT_SCSI_HOST *hd = wqw->hd; |
e80b002b EM |
1094 | MPT_ADAPTER *ioc = hd->ioc; |
1095 | struct Scsi_Host *shost = ioc->sh; | |
c92f222e JB |
1096 | struct scsi_device *sdev; |
1097 | int disk = wqw->disk; | |
1098 | struct _CONFIG_PAGE_IOC_3 *pg3; | |
1099 | ||
1100 | kfree(wqw); | |
1101 | ||
e80b002b EM |
1102 | mpt_findImVolumes(ioc); |
1103 | pg3 = ioc->raid_data.pIocPg3; | |
c92f222e JB |
1104 | if (!pg3) |
1105 | return; | |
1106 | ||
1107 | shost_for_each_device(sdev,shost) { | |
1108 | struct scsi_target *starget = scsi_target(sdev); | |
1109 | VirtTarget *vtarget = starget->hostdata; | |
1110 | ||
1111 | /* only want to search RAID components */ | |
1112 | if (sdev->channel != 1) | |
1113 | continue; | |
1114 | ||
793955f5 | 1115 | /* The id is the raid PhysDiskNum, even if |
c92f222e | 1116 | * starget->id is the actual target address */ |
793955f5 | 1117 | if(vtarget->id != disk) |
c92f222e JB |
1118 | continue; |
1119 | ||
c51d0bea | 1120 | starget_printk(KERN_INFO, vtarget->starget, MYIOC_s_FMT |
e80b002b | 1121 | "Integrated RAID requests DV of new device\n", ioc->name); |
c92f222e JB |
1122 | mptspi_dv_device(hd, sdev); |
1123 | } | |
c51d0bea | 1124 | shost_printk(KERN_INFO, shost, MYIOC_s_FMT |
e80b002b EM |
1125 | "Integrated RAID detects new device %d\n", ioc->name, disk); |
1126 | scsi_scan_target(&ioc->sh->shost_gendev, 1, disk, 0, 1); | |
c92f222e JB |
1127 | } |
1128 | ||
1129 | ||
1130 | static void mpt_dv_raid(struct _MPT_SCSI_HOST *hd, int disk) | |
1131 | { | |
1132 | struct work_queue_wrapper *wqw = kmalloc(sizeof(*wqw), GFP_ATOMIC); | |
e80b002b | 1133 | MPT_ADAPTER *ioc = hd->ioc; |
c92f222e JB |
1134 | |
1135 | if (!wqw) { | |
c51d0bea | 1136 | shost_printk(KERN_ERR, ioc->sh, MYIOC_s_FMT |
29dd3609 | 1137 | "Failed to act on RAID event for physical disk %d\n", |
e80b002b | 1138 | ioc->name, disk); |
c92f222e JB |
1139 | return; |
1140 | } | |
c4028958 | 1141 | INIT_WORK(&wqw->work, mpt_work_wrapper); |
c92f222e JB |
1142 | wqw->hd = hd; |
1143 | wqw->disk = disk; | |
1144 | ||
1145 | schedule_work(&wqw->work); | |
1146 | } | |
1147 | ||
1148 | static int | |
1149 | mptspi_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) | |
1150 | { | |
1151 | u8 event = le32_to_cpu(pEvReply->Event) & 0xFF; | |
e7eae9f6 | 1152 | struct _MPT_SCSI_HOST *hd = shost_priv(ioc->sh); |
c92f222e JB |
1153 | |
1154 | if (hd && event == MPI_EVENT_INTEGRATED_RAID) { | |
1155 | int reason | |
1156 | = (le32_to_cpu(pEvReply->Data[0]) & 0x00FF0000) >> 16; | |
1157 | ||
1158 | if (reason == MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED) { | |
1159 | int disk = (le32_to_cpu(pEvReply->Data[0]) & 0xFF000000) >> 24; | |
1160 | mpt_dv_raid(hd, disk); | |
1161 | } | |
1162 | } | |
1163 | return mptscsih_event_process(ioc, pEvReply); | |
1164 | } | |
1165 | ||
1166 | static int | |
1167 | mptspi_deny_binding(struct scsi_target *starget) | |
1168 | { | |
1169 | struct _MPT_SCSI_HOST *hd = | |
1170 | (struct _MPT_SCSI_HOST *)dev_to_shost(starget->dev.parent)->hostdata; | |
793955f5 | 1171 | return ((mptspi_is_raid(hd, starget->id)) && |
c92f222e JB |
1172 | starget->channel == 0) ? 1 : 0; |
1173 | } | |
1174 | ||
1175 | static struct spi_function_template mptspi_transport_functions = { | |
1176 | .get_offset = mptspi_read_parameters, | |
1177 | .set_offset = mptspi_write_offset, | |
1178 | .show_offset = 1, | |
1179 | .get_period = mptspi_read_parameters, | |
1180 | .set_period = mptspi_write_period, | |
1181 | .show_period = 1, | |
1182 | .get_width = mptspi_read_parameters, | |
1183 | .set_width = mptspi_write_width, | |
1184 | .show_width = 1, | |
1185 | .get_iu = mptspi_read_parameters, | |
1186 | .set_iu = mptspi_write_iu, | |
1187 | .show_iu = 1, | |
1188 | .get_dt = mptspi_read_parameters, | |
1189 | .set_dt = mptspi_write_dt, | |
1190 | .show_dt = 1, | |
1191 | .get_qas = mptspi_read_parameters, | |
1192 | .set_qas = mptspi_write_qas, | |
1193 | .show_qas = 1, | |
1194 | .get_wr_flow = mptspi_read_parameters, | |
1195 | .set_wr_flow = mptspi_write_wr_flow, | |
1196 | .show_wr_flow = 1, | |
1197 | .get_rd_strm = mptspi_read_parameters, | |
1198 | .set_rd_strm = mptspi_write_rd_strm, | |
1199 | .show_rd_strm = 1, | |
1200 | .get_rti = mptspi_read_parameters, | |
1201 | .set_rti = mptspi_write_rti, | |
1202 | .show_rti = 1, | |
1203 | .get_pcomp_en = mptspi_read_parameters, | |
1204 | .set_pcomp_en = mptspi_write_pcomp_en, | |
1205 | .show_pcomp_en = 1, | |
1206 | .get_hold_mcs = mptspi_read_parameters, | |
1207 | .set_hold_mcs = mptspi_write_hold_mcs, | |
1208 | .show_hold_mcs = 1, | |
1209 | .deny_binding = mptspi_deny_binding, | |
1210 | }; | |
243eabcf MED |
1211 | |
1212 | /**************************************************************************** | |
1213 | * Supported hardware | |
1214 | */ | |
1215 | ||
1216 | static struct pci_device_id mptspi_pci_table[] = { | |
87cf8986 | 1217 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_53C1030, |
243eabcf | 1218 | PCI_ANY_ID, PCI_ANY_ID }, |
232f08fc EM |
1219 | { PCI_VENDOR_ID_ATTO, MPI_MANUFACTPAGE_DEVID_53C1030, |
1220 | PCI_ANY_ID, PCI_ANY_ID }, | |
87cf8986 | 1221 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_53C1035, |
243eabcf MED |
1222 | PCI_ANY_ID, PCI_ANY_ID }, |
1223 | {0} /* Terminating entry */ | |
1224 | }; | |
1225 | MODULE_DEVICE_TABLE(pci, mptspi_pci_table); | |
1226 | ||
6e1cad02 EM |
1227 | |
1228 | /* | |
1229 | * renegotiate for a given target | |
1230 | */ | |
1231 | static void | |
c4028958 | 1232 | mptspi_dv_renegotiate_work(struct work_struct *work) |
6e1cad02 | 1233 | { |
c4028958 DH |
1234 | struct work_queue_wrapper *wqw = |
1235 | container_of(work, struct work_queue_wrapper, work); | |
6e1cad02 EM |
1236 | struct _MPT_SCSI_HOST *hd = wqw->hd; |
1237 | struct scsi_device *sdev; | |
72978245 EM |
1238 | struct scsi_target *starget; |
1239 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; | |
1240 | u32 nego; | |
e80b002b | 1241 | MPT_ADAPTER *ioc = hd->ioc; |
6e1cad02 EM |
1242 | |
1243 | kfree(wqw); | |
1244 | ||
72978245 | 1245 | if (hd->spi_pending) { |
e80b002b | 1246 | shost_for_each_device(sdev, ioc->sh) { |
72978245 EM |
1247 | if (hd->spi_pending & (1 << sdev->id)) |
1248 | continue; | |
1249 | starget = scsi_target(sdev); | |
1250 | nego = mptspi_getRP(starget); | |
1251 | pg1.RequestedParameters = cpu_to_le32(nego); | |
1252 | pg1.Reserved = 0; | |
1253 | pg1.Configuration = 0; | |
1254 | mptspi_write_spi_device_pg1(starget, &pg1); | |
1255 | } | |
1256 | } else { | |
e80b002b | 1257 | shost_for_each_device(sdev, ioc->sh) |
72978245 EM |
1258 | mptspi_dv_device(hd, sdev); |
1259 | } | |
6e1cad02 EM |
1260 | } |
1261 | ||
1262 | static void | |
1263 | mptspi_dv_renegotiate(struct _MPT_SCSI_HOST *hd) | |
1264 | { | |
1265 | struct work_queue_wrapper *wqw = kmalloc(sizeof(*wqw), GFP_ATOMIC); | |
1266 | ||
1267 | if (!wqw) | |
1268 | return; | |
1269 | ||
c4028958 | 1270 | INIT_WORK(&wqw->work, mptspi_dv_renegotiate_work); |
6e1cad02 EM |
1271 | wqw->hd = hd; |
1272 | ||
1273 | schedule_work(&wqw->work); | |
1274 | } | |
1275 | ||
1276 | /* | |
1277 | * spi module reset handler | |
1278 | */ | |
1279 | static int | |
1280 | mptspi_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) | |
1281 | { | |
6e1cad02 EM |
1282 | int rc; |
1283 | ||
1284 | rc = mptscsih_ioc_reset(ioc, reset_phase); | |
1285 | ||
081a5bcb JB |
1286 | /* only try to do a renegotiation if we're properly set up |
1287 | * if we get an ioc fault on bringup, ioc->sh will be NULL */ | |
1288 | if (reset_phase == MPT_IOC_POST_RESET && | |
1289 | ioc->sh) { | |
1290 | struct _MPT_SCSI_HOST *hd = shost_priv(ioc->sh); | |
1291 | ||
6e1cad02 | 1292 | mptspi_dv_renegotiate(hd); |
081a5bcb | 1293 | } |
6e1cad02 EM |
1294 | |
1295 | return rc; | |
1296 | } | |
1297 | ||
c29ca9d1 | 1298 | #ifdef CONFIG_PM |
6e1cad02 EM |
1299 | /* |
1300 | * spi module resume handler | |
1301 | */ | |
1302 | static int | |
1303 | mptspi_resume(struct pci_dev *pdev) | |
1304 | { | |
1305 | MPT_ADAPTER *ioc = pci_get_drvdata(pdev); | |
e7eae9f6 | 1306 | struct _MPT_SCSI_HOST *hd = shost_priv(ioc->sh); |
6e1cad02 EM |
1307 | int rc; |
1308 | ||
1309 | rc = mptscsih_resume(pdev); | |
1310 | mptspi_dv_renegotiate(hd); | |
1311 | ||
1312 | return rc; | |
1313 | } | |
c29ca9d1 | 1314 | #endif |
6e1cad02 | 1315 | |
243eabcf MED |
1316 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
1317 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1318 | /* | |
1319 | * mptspi_probe - Installs scsi devices per bus. | |
1320 | * @pdev: Pointer to pci_dev structure | |
1321 | * | |
1322 | * Returns 0 for success, non-zero for failure. | |
1323 | * | |
1324 | */ | |
1325 | static int | |
1326 | mptspi_probe(struct pci_dev *pdev, const struct pci_device_id *id) | |
1327 | { | |
1328 | struct Scsi_Host *sh; | |
1329 | MPT_SCSI_HOST *hd; | |
1330 | MPT_ADAPTER *ioc; | |
1331 | unsigned long flags; | |
1ca00bb7 | 1332 | int ii; |
243eabcf MED |
1333 | int numSGE = 0; |
1334 | int scale; | |
1335 | int ioc_cap; | |
243eabcf MED |
1336 | int error=0; |
1337 | int r; | |
c6678e0c | 1338 | |
243eabcf MED |
1339 | if ((r = mpt_attach(pdev,id)) != 0) |
1340 | return r; | |
c6678e0c | 1341 | |
243eabcf | 1342 | ioc = pci_get_drvdata(pdev); |
d335cc38 MED |
1343 | ioc->DoneCtx = mptspiDoneCtx; |
1344 | ioc->TaskCtx = mptspiTaskCtx; | |
1345 | ioc->InternalCtx = mptspiInternalCtx; | |
c6678e0c | 1346 | |
243eabcf MED |
1347 | /* Added sanity check on readiness of the MPT adapter. |
1348 | */ | |
1349 | if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) { | |
1350 | printk(MYIOC_s_WARN_FMT | |
1351 | "Skipping because it's not operational!\n", | |
1352 | ioc->name); | |
7acec1e7 MED |
1353 | error = -ENODEV; |
1354 | goto out_mptspi_probe; | |
243eabcf MED |
1355 | } |
1356 | ||
1357 | if (!ioc->active) { | |
1358 | printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n", | |
1359 | ioc->name); | |
7acec1e7 MED |
1360 | error = -ENODEV; |
1361 | goto out_mptspi_probe; | |
243eabcf MED |
1362 | } |
1363 | ||
1364 | /* Sanity check - ensure at least 1 port is INITIATOR capable | |
1365 | */ | |
1366 | ioc_cap = 0; | |
1367 | for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) { | |
1368 | if (ioc->pfacts[ii].ProtocolFlags & | |
1369 | MPI_PORTFACTS_PROTOCOL_INITIATOR) | |
1370 | ioc_cap ++; | |
1371 | } | |
1372 | ||
1373 | if (!ioc_cap) { | |
1374 | printk(MYIOC_s_WARN_FMT | |
1375 | "Skipping ioc=%p because SCSI Initiator mode is NOT enabled!\n", | |
1376 | ioc->name, ioc); | |
466544d8 | 1377 | return 0; |
243eabcf MED |
1378 | } |
1379 | ||
1380 | sh = scsi_host_alloc(&mptspi_driver_template, sizeof(MPT_SCSI_HOST)); | |
1381 | ||
1382 | if (!sh) { | |
1383 | printk(MYIOC_s_WARN_FMT | |
1384 | "Unable to register controller with SCSI subsystem\n", | |
1385 | ioc->name); | |
7acec1e7 MED |
1386 | error = -1; |
1387 | goto out_mptspi_probe; | |
243eabcf MED |
1388 | } |
1389 | ||
1390 | spin_lock_irqsave(&ioc->FreeQlock, flags); | |
1391 | ||
1392 | /* Attach the SCSI Host to the IOC structure | |
1393 | */ | |
1394 | ioc->sh = sh; | |
1395 | ||
1396 | sh->io_port = 0; | |
1397 | sh->n_io_port = 0; | |
1398 | sh->irq = 0; | |
1399 | ||
1400 | /* set 16 byte cdb's */ | |
1401 | sh->max_cmd_len = 16; | |
1402 | ||
1403 | /* Yikes! This is important! | |
1404 | * Otherwise, by default, linux | |
1405 | * only scans target IDs 0-7! | |
1406 | * pfactsN->MaxDevices unreliable | |
1407 | * (not supported in early | |
1408 | * versions of the FW). | |
1409 | * max_id = 1 + actual max id, | |
1410 | * max_lun = 1 + actual last lun, | |
1411 | * see hosts.h :o( | |
1412 | */ | |
793955f5 | 1413 | sh->max_id = ioc->devices_per_bus; |
243eabcf MED |
1414 | |
1415 | sh->max_lun = MPT_LAST_LUN + 1; | |
c92f222e JB |
1416 | /* |
1417 | * If RAID Firmware Detected, setup virtual channel | |
1418 | */ | |
b506ade9 | 1419 | if (ioc->ir_firmware) |
c92f222e JB |
1420 | sh->max_channel = 1; |
1421 | else | |
1422 | sh->max_channel = 0; | |
243eabcf MED |
1423 | sh->this_id = ioc->pfacts[0].PortSCSIID; |
1424 | ||
1425 | /* Required entry. | |
1426 | */ | |
1427 | sh->unique_id = ioc->id; | |
1428 | ||
1429 | /* Verify that we won't exceed the maximum | |
1430 | * number of chain buffers | |
1431 | * We can optimize: ZZ = req_sz/sizeof(SGE) | |
1432 | * For 32bit SGE's: | |
1433 | * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ | |
1434 | * + (req_sz - 64)/sizeof(SGE) | |
1435 | * A slightly different algorithm is required for | |
1436 | * 64bit SGEs. | |
1437 | */ | |
14d0f0b0 KD |
1438 | scale = ioc->req_sz/ioc->SGE_size; |
1439 | if (ioc->sg_addr_size == sizeof(u64)) { | |
243eabcf MED |
1440 | numSGE = (scale - 1) * |
1441 | (ioc->facts.MaxChainDepth-1) + scale + | |
14d0f0b0 | 1442 | (ioc->req_sz - 60) / ioc->SGE_size; |
243eabcf MED |
1443 | } else { |
1444 | numSGE = 1 + (scale - 1) * | |
1445 | (ioc->facts.MaxChainDepth-1) + scale + | |
14d0f0b0 | 1446 | (ioc->req_sz - 64) / ioc->SGE_size; |
243eabcf MED |
1447 | } |
1448 | ||
1449 | if (numSGE < sh->sg_tablesize) { | |
1450 | /* Reset this value */ | |
29dd3609 | 1451 | dprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
243eabcf MED |
1452 | "Resetting sg_tablesize to %d from %d\n", |
1453 | ioc->name, numSGE, sh->sg_tablesize)); | |
1454 | sh->sg_tablesize = numSGE; | |
1455 | } | |
1456 | ||
243eabcf MED |
1457 | spin_unlock_irqrestore(&ioc->FreeQlock, flags); |
1458 | ||
e7eae9f6 | 1459 | hd = shost_priv(sh); |
243eabcf MED |
1460 | hd->ioc = ioc; |
1461 | ||
1462 | /* SCSI needs scsi_cmnd lookup table! | |
1463 | * (with size equal to req_depth*PtrSz!) | |
1464 | */ | |
e8206381 EM |
1465 | ioc->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC); |
1466 | if (!ioc->ScsiLookup) { | |
243eabcf | 1467 | error = -ENOMEM; |
7acec1e7 | 1468 | goto out_mptspi_probe; |
243eabcf | 1469 | } |
e8206381 | 1470 | spin_lock_init(&ioc->scsi_lookup_lock); |
243eabcf | 1471 | |
d6ecdd63 | 1472 | dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n", |
e8206381 | 1473 | ioc->name, ioc->ScsiLookup)); |
243eabcf | 1474 | |
243eabcf MED |
1475 | /* Clear the TM flags |
1476 | */ | |
1477 | hd->tmPending = 0; | |
1478 | hd->tmState = TM_STATE_NONE; | |
1479 | hd->resetPending = 0; | |
1480 | hd->abortSCpnt = NULL; | |
1481 | ||
1482 | /* Clear the pointer used to store | |
1483 | * single-threaded commands, i.e., those | |
1484 | * issued during a bus scan, dv and | |
1485 | * configuration pages. | |
1486 | */ | |
1487 | hd->cmdPtr = NULL; | |
1488 | ||
1489 | /* Initialize this SCSI Hosts' timers | |
1490 | * To use, set the timer expires field | |
1491 | * and add_timer | |
1492 | */ | |
1493 | init_timer(&hd->timer); | |
1494 | hd->timer.data = (unsigned long) hd; | |
1495 | hd->timer.function = mptscsih_timer_expired; | |
1496 | ||
1497 | ioc->spi_data.Saf_Te = mpt_saf_te; | |
243eabcf | 1498 | |
243eabcf | 1499 | hd->negoNvram = MPT_SCSICFG_USE_NVRAM; |
d6ecdd63 | 1500 | ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
ba856d32 | 1501 | "saf_te %x\n", |
243eabcf | 1502 | ioc->name, |
ba856d32 | 1503 | mpt_saf_te)); |
243eabcf MED |
1504 | ioc->spi_data.noQas = 0; |
1505 | ||
243eabcf | 1506 | hd->last_queue_full = 0; |
72978245 | 1507 | hd->spi_pending = 0; |
243eabcf | 1508 | |
c92f222e JB |
1509 | /* Some versions of the firmware don't support page 0; without |
1510 | * that we can't get the parameters */ | |
e80b002b | 1511 | if (ioc->spi_data.sdp0length != 0) |
c92f222e JB |
1512 | sh->transportt = mptspi_transport_template; |
1513 | ||
243eabcf MED |
1514 | error = scsi_add_host (sh, &ioc->pcidev->dev); |
1515 | if(error) { | |
29dd3609 EM |
1516 | dprintk(ioc, printk(MYIOC_s_ERR_FMT |
1517 | "scsi_add_host failed\n", ioc->name)); | |
7acec1e7 | 1518 | goto out_mptspi_probe; |
243eabcf MED |
1519 | } |
1520 | ||
d8e925dc ME |
1521 | /* |
1522 | * issue internal bus reset | |
1523 | */ | |
1524 | if (ioc->spi_data.bus_reset) | |
1525 | mptscsih_TMHandler(hd, | |
1526 | MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, | |
1527 | 0, 0, 0, 0, 5); | |
1528 | ||
243eabcf MED |
1529 | scsi_scan_host(sh); |
1530 | return 0; | |
1531 | ||
7acec1e7 | 1532 | out_mptspi_probe: |
243eabcf MED |
1533 | |
1534 | mptscsih_remove(pdev); | |
1535 | return error; | |
1536 | } | |
1537 | ||
1538 | static struct pci_driver mptspi_driver = { | |
1539 | .name = "mptspi", | |
1540 | .id_table = mptspi_pci_table, | |
1541 | .probe = mptspi_probe, | |
1542 | .remove = __devexit_p(mptscsih_remove), | |
d18c3db5 | 1543 | .shutdown = mptscsih_shutdown, |
243eabcf MED |
1544 | #ifdef CONFIG_PM |
1545 | .suspend = mptscsih_suspend, | |
6e1cad02 | 1546 | .resume = mptspi_resume, |
243eabcf MED |
1547 | #endif |
1548 | }; | |
1549 | ||
1550 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1551 | /** | |
d9489fb6 | 1552 | * mptspi_init - Register MPT adapter(s) as SCSI host(s) with SCSI mid-layer. |
243eabcf MED |
1553 | * |
1554 | * Returns 0 for success, non-zero for failure. | |
1555 | */ | |
1556 | static int __init | |
1557 | mptspi_init(void) | |
1558 | { | |
57ce21bf PS |
1559 | int error; |
1560 | ||
243eabcf MED |
1561 | show_mptmod_ver(my_NAME, my_VERSION); |
1562 | ||
c92f222e JB |
1563 | mptspi_transport_template = spi_attach_transport(&mptspi_transport_functions); |
1564 | if (!mptspi_transport_template) | |
1565 | return -ENODEV; | |
1566 | ||
243eabcf MED |
1567 | mptspiDoneCtx = mpt_register(mptscsih_io_done, MPTSPI_DRIVER); |
1568 | mptspiTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSPI_DRIVER); | |
1569 | mptspiInternalCtx = mpt_register(mptscsih_scandv_complete, MPTSPI_DRIVER); | |
1570 | ||
d6ecdd63 PS |
1571 | mpt_event_register(mptspiDoneCtx, mptspi_event_process); |
1572 | mpt_reset_register(mptspiDoneCtx, mptspi_ioc_reset); | |
243eabcf | 1573 | |
57ce21bf PS |
1574 | error = pci_register_driver(&mptspi_driver); |
1575 | if (error) | |
1576 | spi_release_transport(mptspi_transport_template); | |
1577 | ||
1578 | return error; | |
243eabcf MED |
1579 | } |
1580 | ||
1581 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1582 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1583 | /** | |
1584 | * mptspi_exit - Unregisters MPT adapter(s) | |
243eabcf MED |
1585 | */ |
1586 | static void __exit | |
1587 | mptspi_exit(void) | |
1588 | { | |
1589 | pci_unregister_driver(&mptspi_driver); | |
d8e925dc | 1590 | |
243eabcf | 1591 | mpt_reset_deregister(mptspiDoneCtx); |
243eabcf | 1592 | mpt_event_deregister(mptspiDoneCtx); |
243eabcf MED |
1593 | |
1594 | mpt_deregister(mptspiInternalCtx); | |
1595 | mpt_deregister(mptspiTaskCtx); | |
1596 | mpt_deregister(mptspiDoneCtx); | |
c92f222e | 1597 | spi_release_transport(mptspi_transport_template); |
243eabcf MED |
1598 | } |
1599 | ||
1600 | module_init(mptspi_init); | |
1601 | module_exit(mptspi_exit); |