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243eabcf MED |
1 | /* |
2 | * linux/drivers/message/fusion/mptspi.c | |
3 | * For use with LSI Logic PCI chip/adapter(s) | |
4 | * running LSI Logic Fusion MPT (Message Passing Technology) firmware. | |
5 | * | |
6 | * Copyright (c) 1999-2005 LSI Logic Corporation | |
7 | * (mailto:mpt_linux_developer@lsil.com) | |
8 | * | |
9 | */ | |
10 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
11 | /* | |
12 | This program is free software; you can redistribute it and/or modify | |
13 | it under the terms of the GNU General Public License as published by | |
14 | the Free Software Foundation; version 2 of the License. | |
15 | ||
16 | This program is distributed in the hope that it will be useful, | |
17 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | GNU General Public License for more details. | |
20 | ||
21 | NO WARRANTY | |
22 | THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR | |
23 | CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT | |
24 | LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, | |
25 | MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is | |
26 | solely responsible for determining the appropriateness of using and | |
27 | distributing the Program and assumes all risks associated with its | |
28 | exercise of rights under this Agreement, including but not limited to | |
29 | the risks and costs of program errors, damage to or loss of data, | |
30 | programs or equipment, and unavailability or interruption of operations. | |
31 | ||
32 | DISCLAIMER OF LIABILITY | |
33 | NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY | |
34 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
35 | DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND | |
36 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR | |
37 | TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE | |
38 | USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED | |
39 | HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES | |
40 | ||
41 | You should have received a copy of the GNU General Public License | |
42 | along with this program; if not, write to the Free Software | |
43 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
44 | */ | |
45 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
46 | ||
47 | #include "linux_compat.h" /* linux-2.6 tweaks */ | |
48 | #include <linux/module.h> | |
49 | #include <linux/kernel.h> | |
50 | #include <linux/init.h> | |
51 | #include <linux/errno.h> | |
52 | #include <linux/kdev_t.h> | |
53 | #include <linux/blkdev.h> | |
54 | #include <linux/delay.h> /* for mdelay */ | |
55 | #include <linux/interrupt.h> /* needed for in_interrupt() proto */ | |
56 | #include <linux/reboot.h> /* notifier code */ | |
57 | #include <linux/sched.h> | |
58 | #include <linux/workqueue.h> | |
c92f222e | 59 | #include <linux/raid_class.h> |
243eabcf MED |
60 | |
61 | #include <scsi/scsi.h> | |
62 | #include <scsi/scsi_cmnd.h> | |
63 | #include <scsi/scsi_device.h> | |
64 | #include <scsi/scsi_host.h> | |
65 | #include <scsi/scsi_tcq.h> | |
c92f222e JB |
66 | #include <scsi/scsi_transport.h> |
67 | #include <scsi/scsi_transport_spi.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"); | |
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 | ||
243eabcf MED |
93 | static int mptspiDoneCtx = -1; |
94 | static int mptspiTaskCtx = -1; | |
95 | static int mptspiInternalCtx = -1; /* Used only for internal commands */ | |
96 | ||
c92f222e JB |
97 | static int mptspi_target_alloc(struct scsi_target *starget) |
98 | { | |
99 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
100 | struct _MPT_SCSI_HOST *hd = (struct _MPT_SCSI_HOST *)shost->hostdata; | |
101 | int ret; | |
102 | ||
103 | if (hd == NULL) | |
104 | return -ENODEV; | |
105 | ||
106 | ret = mptscsih_target_alloc(starget); | |
107 | if (ret) | |
108 | return ret; | |
109 | ||
110 | /* if we're a device on virtual channel 1 and we're not part | |
111 | * of an array, just return here (otherwise the setup below | |
112 | * may actually affect a real physical device on channel 0 */ | |
113 | if (starget->channel == 1 && | |
114 | mptscsih_raid_id_to_num(hd, starget->id) < 0) | |
115 | return 0; | |
116 | ||
117 | if (hd->ioc->spi_data.nvram && | |
118 | hd->ioc->spi_data.nvram[starget->id] != MPT_HOST_NVRAM_INVALID) { | |
119 | u32 nvram = hd->ioc->spi_data.nvram[starget->id]; | |
120 | spi_min_period(starget) = (nvram & MPT_NVRAM_SYNC_MASK) >> MPT_NVRAM_SYNC_SHIFT; | |
121 | spi_max_width(starget) = nvram & MPT_NVRAM_WIDE_DISABLE ? 0 : 1; | |
122 | } else { | |
123 | spi_min_period(starget) = hd->ioc->spi_data.minSyncFactor; | |
124 | spi_max_width(starget) = hd->ioc->spi_data.maxBusWidth; | |
125 | } | |
126 | spi_max_offset(starget) = hd->ioc->spi_data.maxSyncOffset; | |
127 | ||
128 | spi_offset(starget) = 0; | |
129 | mptspi_write_width(starget, 0); | |
130 | ||
131 | return 0; | |
132 | } | |
133 | ||
134 | static int mptspi_read_spi_device_pg0(struct scsi_target *starget, | |
135 | struct _CONFIG_PAGE_SCSI_DEVICE_0 *pass_pg0) | |
136 | { | |
137 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
138 | struct _MPT_SCSI_HOST *hd = (struct _MPT_SCSI_HOST *)shost->hostdata; | |
139 | struct _MPT_ADAPTER *ioc = hd->ioc; | |
140 | struct _CONFIG_PAGE_SCSI_DEVICE_0 *pg0; | |
141 | dma_addr_t pg0_dma; | |
142 | int size; | |
143 | struct _x_config_parms cfg; | |
144 | struct _CONFIG_PAGE_HEADER hdr; | |
145 | int err = -EBUSY; | |
146 | ||
147 | /* No SPI parameters for RAID devices */ | |
148 | if (starget->channel == 0 && | |
149 | (hd->ioc->raid_data.isRaid & (1 << starget->id))) | |
150 | return -1; | |
151 | ||
152 | size = ioc->spi_data.sdp0length * 4; | |
153 | /* | |
154 | if (ioc->spi_data.sdp0length & 1) | |
155 | size += size + 4; | |
156 | size += 2048; | |
157 | */ | |
158 | ||
159 | pg0 = dma_alloc_coherent(&ioc->pcidev->dev, size, &pg0_dma, GFP_KERNEL); | |
160 | if (pg0 == NULL) { | |
161 | starget_printk(KERN_ERR, starget, "dma_alloc_coherent for parameters failed\n"); | |
162 | return -EINVAL; | |
163 | } | |
164 | ||
165 | memset(&hdr, 0, sizeof(hdr)); | |
166 | ||
167 | hdr.PageVersion = ioc->spi_data.sdp0version; | |
168 | hdr.PageLength = ioc->spi_data.sdp0length; | |
169 | hdr.PageNumber = 0; | |
170 | hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; | |
171 | ||
172 | memset(&cfg, 0, sizeof(cfg)); | |
173 | ||
174 | cfg.cfghdr.hdr = &hdr; | |
175 | cfg.physAddr = pg0_dma; | |
176 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | |
177 | cfg.dir = 0; | |
178 | cfg.pageAddr = starget->id; | |
179 | ||
180 | if (mpt_config(ioc, &cfg)) { | |
181 | starget_printk(KERN_ERR, starget, "mpt_config failed\n"); | |
182 | goto out_free; | |
183 | } | |
184 | err = 0; | |
185 | memcpy(pass_pg0, pg0, size); | |
186 | ||
187 | out_free: | |
188 | dma_free_coherent(&ioc->pcidev->dev, size, pg0, pg0_dma); | |
189 | return err; | |
190 | } | |
191 | ||
192 | static u32 mptspi_getRP(struct scsi_target *starget) | |
193 | { | |
194 | u32 nego = 0; | |
195 | ||
196 | nego |= spi_iu(starget) ? MPI_SCSIDEVPAGE1_RP_IU : 0; | |
197 | nego |= spi_dt(starget) ? MPI_SCSIDEVPAGE1_RP_DT : 0; | |
198 | nego |= spi_qas(starget) ? MPI_SCSIDEVPAGE1_RP_QAS : 0; | |
199 | nego |= spi_hold_mcs(starget) ? MPI_SCSIDEVPAGE1_RP_HOLD_MCS : 0; | |
200 | nego |= spi_wr_flow(starget) ? MPI_SCSIDEVPAGE1_RP_WR_FLOW : 0; | |
201 | nego |= spi_rd_strm(starget) ? MPI_SCSIDEVPAGE1_RP_RD_STRM : 0; | |
202 | nego |= spi_rti(starget) ? MPI_SCSIDEVPAGE1_RP_RTI : 0; | |
203 | nego |= spi_pcomp_en(starget) ? MPI_SCSIDEVPAGE1_RP_PCOMP_EN : 0; | |
204 | ||
205 | nego |= (spi_period(starget) << MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD) & MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK; | |
206 | nego |= (spi_offset(starget) << MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET) & MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK; | |
207 | nego |= spi_width(starget) ? MPI_SCSIDEVPAGE1_RP_WIDE : 0; | |
208 | ||
209 | return nego; | |
210 | } | |
211 | ||
212 | static void mptspi_read_parameters(struct scsi_target *starget) | |
213 | { | |
214 | int nego; | |
215 | struct _CONFIG_PAGE_SCSI_DEVICE_0 pg0; | |
216 | ||
217 | mptspi_read_spi_device_pg0(starget, &pg0); | |
218 | ||
219 | nego = le32_to_cpu(pg0.NegotiatedParameters); | |
220 | ||
221 | spi_iu(starget) = (nego & MPI_SCSIDEVPAGE0_NP_IU) ? 1 : 0; | |
222 | spi_dt(starget) = (nego & MPI_SCSIDEVPAGE0_NP_DT) ? 1 : 0; | |
223 | spi_qas(starget) = (nego & MPI_SCSIDEVPAGE0_NP_QAS) ? 1 : 0; | |
224 | spi_wr_flow(starget) = (nego & MPI_SCSIDEVPAGE0_NP_WR_FLOW) ? 1 : 0; | |
225 | spi_rd_strm(starget) = (nego & MPI_SCSIDEVPAGE0_NP_RD_STRM) ? 1 : 0; | |
226 | spi_rti(starget) = (nego & MPI_SCSIDEVPAGE0_NP_RTI) ? 1 : 0; | |
227 | spi_pcomp_en(starget) = (nego & MPI_SCSIDEVPAGE0_NP_PCOMP_EN) ? 1 : 0; | |
228 | spi_hold_mcs(starget) = (nego & MPI_SCSIDEVPAGE0_NP_HOLD_MCS) ? 1 : 0; | |
229 | spi_period(starget) = (nego & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK) >> MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_PERIOD; | |
230 | spi_offset(starget) = (nego & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK) >> MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_OFFSET; | |
231 | spi_width(starget) = (nego & MPI_SCSIDEVPAGE0_NP_WIDE) ? 1 : 0; | |
232 | } | |
233 | ||
234 | static int | |
235 | mptscsih_quiesce_raid(MPT_SCSI_HOST *hd, int quiesce, int disk) | |
236 | { | |
237 | MpiRaidActionRequest_t *pReq; | |
238 | MPT_FRAME_HDR *mf; | |
239 | ||
240 | /* Get and Populate a free Frame | |
241 | */ | |
242 | if ((mf = mpt_get_msg_frame(hd->ioc->InternalCtx, hd->ioc)) == NULL) { | |
243 | ddvprintk((MYIOC_s_WARN_FMT "_do_raid: no msg frames!\n", | |
244 | hd->ioc->name)); | |
245 | return -EAGAIN; | |
246 | } | |
247 | pReq = (MpiRaidActionRequest_t *)mf; | |
248 | if (quiesce) | |
249 | pReq->Action = MPI_RAID_ACTION_QUIESCE_PHYS_IO; | |
250 | else | |
251 | pReq->Action = MPI_RAID_ACTION_ENABLE_PHYS_IO; | |
252 | pReq->Reserved1 = 0; | |
253 | pReq->ChainOffset = 0; | |
254 | pReq->Function = MPI_FUNCTION_RAID_ACTION; | |
255 | pReq->VolumeID = disk; | |
256 | pReq->VolumeBus = 0; | |
257 | pReq->PhysDiskNum = 0; | |
258 | pReq->MsgFlags = 0; | |
259 | pReq->Reserved2 = 0; | |
260 | pReq->ActionDataWord = 0; /* Reserved for this action */ | |
261 | ||
262 | mpt_add_sge((char *)&pReq->ActionDataSGE, | |
263 | MPT_SGE_FLAGS_SSIMPLE_READ | 0, (dma_addr_t) -1); | |
264 | ||
265 | ddvprintk((MYIOC_s_INFO_FMT "RAID Volume action %x id %d\n", | |
266 | hd->ioc->name, action, io->id)); | |
267 | ||
268 | hd->pLocal = NULL; | |
269 | hd->timer.expires = jiffies + HZ*10; /* 10 second timeout */ | |
270 | hd->scandv_wait_done = 0; | |
271 | ||
272 | /* Save cmd pointer, for resource free if timeout or | |
273 | * FW reload occurs | |
274 | */ | |
275 | hd->cmdPtr = mf; | |
276 | ||
277 | add_timer(&hd->timer); | |
278 | mpt_put_msg_frame(hd->ioc->InternalCtx, hd->ioc, mf); | |
279 | wait_event(hd->scandv_waitq, hd->scandv_wait_done); | |
280 | ||
281 | if ((hd->pLocal == NULL) || (hd->pLocal->completion != 0)) | |
282 | return -1; | |
283 | ||
284 | return 0; | |
285 | } | |
286 | ||
287 | static void mptspi_dv_device(struct _MPT_SCSI_HOST *hd, | |
288 | struct scsi_device *sdev) | |
289 | { | |
290 | VirtTarget *vtarget = scsi_target(sdev)->hostdata; | |
291 | ||
292 | /* no DV on RAID devices */ | |
293 | if (sdev->channel == 0 && | |
294 | (hd->ioc->raid_data.isRaid & (1 << sdev->id))) | |
295 | return; | |
296 | ||
297 | /* If this is a piece of a RAID, then quiesce first */ | |
298 | if (sdev->channel == 1 && | |
299 | mptscsih_quiesce_raid(hd, 1, vtarget->target_id) < 0) { | |
300 | starget_printk(KERN_ERR, scsi_target(sdev), | |
301 | "Integrated RAID quiesce failed\n"); | |
302 | return; | |
303 | } | |
304 | ||
305 | spi_dv_device(sdev); | |
306 | ||
307 | if (sdev->channel == 1 && | |
308 | mptscsih_quiesce_raid(hd, 0, vtarget->target_id) < 0) | |
309 | starget_printk(KERN_ERR, scsi_target(sdev), | |
310 | "Integrated RAID resume failed\n"); | |
311 | ||
312 | mptspi_read_parameters(sdev->sdev_target); | |
313 | spi_display_xfer_agreement(sdev->sdev_target); | |
314 | mptspi_read_parameters(sdev->sdev_target); | |
315 | } | |
316 | ||
317 | static int mptspi_slave_alloc(struct scsi_device *sdev) | |
318 | { | |
319 | int ret; | |
320 | MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)sdev->host->hostdata; | |
321 | /* gcc doesn't see that all uses of this variable occur within | |
322 | * the if() statements, so stop it from whining */ | |
323 | int physdisknum = 0; | |
324 | ||
325 | if (sdev->channel == 1) { | |
326 | physdisknum = mptscsih_raid_id_to_num(hd, sdev->id); | |
327 | ||
328 | if (physdisknum < 0) | |
329 | return physdisknum; | |
330 | } | |
331 | ||
332 | ret = mptscsih_slave_alloc(sdev); | |
333 | ||
334 | if (ret) | |
335 | return ret; | |
336 | ||
337 | if (sdev->channel == 1) { | |
338 | VirtDevice *vdev = sdev->hostdata; | |
339 | sdev->no_uld_attach = 1; | |
340 | vdev->vtarget->tflags |= MPT_TARGET_FLAGS_RAID_COMPONENT; | |
341 | /* The real channel for this device is zero */ | |
914c2d8e | 342 | vdev->vtarget->bus_id = 0; |
c92f222e | 343 | /* The actual physdisknum (for RAID passthrough) */ |
914c2d8e | 344 | vdev->vtarget->target_id = physdisknum; |
c92f222e JB |
345 | } |
346 | ||
347 | return 0; | |
348 | } | |
349 | ||
350 | static int mptspi_slave_configure(struct scsi_device *sdev) | |
351 | { | |
352 | int ret = mptscsih_slave_configure(sdev); | |
353 | struct _MPT_SCSI_HOST *hd = | |
354 | (struct _MPT_SCSI_HOST *)sdev->host->hostdata; | |
355 | ||
356 | if (ret) | |
357 | return ret; | |
358 | ||
359 | if ((sdev->channel == 1 || | |
360 | !(hd->ioc->raid_data.isRaid & (1 << sdev->id))) && | |
361 | !spi_initial_dv(sdev->sdev_target)) | |
362 | mptspi_dv_device(hd, sdev); | |
363 | ||
364 | return 0; | |
365 | } | |
366 | ||
367 | static void mptspi_slave_destroy(struct scsi_device *sdev) | |
368 | { | |
369 | struct scsi_target *starget = scsi_target(sdev); | |
370 | VirtTarget *vtarget = starget->hostdata; | |
371 | VirtDevice *vdevice = sdev->hostdata; | |
372 | ||
373 | /* Will this be the last lun on a non-raid device? */ | |
374 | if (vtarget->num_luns == 1 && vdevice->configured_lun) { | |
375 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; | |
376 | ||
377 | /* Async Narrow */ | |
378 | pg1.RequestedParameters = 0; | |
379 | pg1.Reserved = 0; | |
380 | pg1.Configuration = 0; | |
381 | ||
382 | mptspi_write_spi_device_pg1(starget, &pg1); | |
383 | } | |
384 | ||
385 | mptscsih_slave_destroy(sdev); | |
386 | } | |
387 | ||
243eabcf | 388 | static struct scsi_host_template mptspi_driver_template = { |
f78496da | 389 | .module = THIS_MODULE, |
243eabcf MED |
390 | .proc_name = "mptspi", |
391 | .proc_info = mptscsih_proc_info, | |
392 | .name = "MPT SPI Host", | |
393 | .info = mptscsih_info, | |
394 | .queuecommand = mptscsih_qcmd, | |
c92f222e JB |
395 | .target_alloc = mptspi_target_alloc, |
396 | .slave_alloc = mptspi_slave_alloc, | |
397 | .slave_configure = mptspi_slave_configure, | |
c7c82987 | 398 | .target_destroy = mptscsih_target_destroy, |
c92f222e | 399 | .slave_destroy = mptspi_slave_destroy, |
6e3815ba | 400 | .change_queue_depth = mptscsih_change_queue_depth, |
243eabcf MED |
401 | .eh_abort_handler = mptscsih_abort, |
402 | .eh_device_reset_handler = mptscsih_dev_reset, | |
403 | .eh_bus_reset_handler = mptscsih_bus_reset, | |
404 | .eh_host_reset_handler = mptscsih_host_reset, | |
405 | .bios_param = mptscsih_bios_param, | |
406 | .can_queue = MPT_SCSI_CAN_QUEUE, | |
407 | .this_id = -1, | |
408 | .sg_tablesize = MPT_SCSI_SG_DEPTH, | |
409 | .max_sectors = 8192, | |
410 | .cmd_per_lun = 7, | |
411 | .use_clustering = ENABLE_CLUSTERING, | |
243eabcf MED |
412 | }; |
413 | ||
c92f222e JB |
414 | static int mptspi_write_spi_device_pg1(struct scsi_target *starget, |
415 | struct _CONFIG_PAGE_SCSI_DEVICE_1 *pass_pg1) | |
416 | { | |
417 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
418 | struct _MPT_SCSI_HOST *hd = (struct _MPT_SCSI_HOST *)shost->hostdata; | |
419 | struct _MPT_ADAPTER *ioc = hd->ioc; | |
420 | struct _CONFIG_PAGE_SCSI_DEVICE_1 *pg1; | |
421 | dma_addr_t pg1_dma; | |
422 | int size; | |
423 | struct _x_config_parms cfg; | |
424 | struct _CONFIG_PAGE_HEADER hdr; | |
425 | int err = -EBUSY; | |
426 | ||
427 | /* don't allow updating nego parameters on RAID devices */ | |
428 | if (starget->channel == 0 && | |
429 | (hd->ioc->raid_data.isRaid & (1 << starget->id))) | |
430 | return -1; | |
431 | ||
432 | size = ioc->spi_data.sdp1length * 4; | |
433 | ||
434 | pg1 = dma_alloc_coherent(&ioc->pcidev->dev, size, &pg1_dma, GFP_KERNEL); | |
435 | if (pg1 == NULL) { | |
436 | starget_printk(KERN_ERR, starget, "dma_alloc_coherent for parameters failed\n"); | |
437 | return -EINVAL; | |
438 | } | |
439 | ||
440 | memset(&hdr, 0, sizeof(hdr)); | |
441 | ||
442 | hdr.PageVersion = ioc->spi_data.sdp1version; | |
443 | hdr.PageLength = ioc->spi_data.sdp1length; | |
444 | hdr.PageNumber = 1; | |
445 | hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; | |
446 | ||
447 | memset(&cfg, 0, sizeof(cfg)); | |
448 | ||
449 | cfg.cfghdr.hdr = &hdr; | |
450 | cfg.physAddr = pg1_dma; | |
451 | cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT; | |
452 | cfg.dir = 1; | |
453 | cfg.pageAddr = starget->id; | |
454 | ||
455 | memcpy(pg1, pass_pg1, size); | |
456 | ||
457 | pg1->Header.PageVersion = hdr.PageVersion; | |
458 | pg1->Header.PageLength = hdr.PageLength; | |
459 | pg1->Header.PageNumber = hdr.PageNumber; | |
460 | pg1->Header.PageType = hdr.PageType; | |
461 | ||
462 | if (mpt_config(ioc, &cfg)) { | |
463 | starget_printk(KERN_ERR, starget, "mpt_config failed\n"); | |
464 | goto out_free; | |
465 | } | |
466 | err = 0; | |
467 | ||
468 | out_free: | |
469 | dma_free_coherent(&ioc->pcidev->dev, size, pg1, pg1_dma); | |
470 | return err; | |
471 | } | |
472 | ||
473 | static void mptspi_write_offset(struct scsi_target *starget, int offset) | |
474 | { | |
475 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; | |
476 | u32 nego; | |
477 | ||
478 | if (offset < 0) | |
479 | offset = 0; | |
480 | ||
481 | if (offset > 255) | |
482 | offset = 255; | |
483 | ||
484 | if (spi_offset(starget) == -1) | |
485 | mptspi_read_parameters(starget); | |
486 | ||
487 | spi_offset(starget) = offset; | |
488 | ||
489 | nego = mptspi_getRP(starget); | |
490 | ||
491 | pg1.RequestedParameters = cpu_to_le32(nego); | |
492 | pg1.Reserved = 0; | |
493 | pg1.Configuration = 0; | |
494 | ||
495 | mptspi_write_spi_device_pg1(starget, &pg1); | |
496 | } | |
497 | ||
498 | static void mptspi_write_period(struct scsi_target *starget, int period) | |
499 | { | |
500 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; | |
501 | u32 nego; | |
502 | ||
503 | if (period < 8) | |
504 | period = 8; | |
505 | ||
506 | if (period > 255) | |
507 | period = 255; | |
508 | ||
509 | if (spi_period(starget) == -1) | |
510 | mptspi_read_parameters(starget); | |
511 | ||
512 | if (period == 8) { | |
513 | spi_iu(starget) = 1; | |
514 | spi_dt(starget) = 1; | |
515 | } else if (period == 9) { | |
516 | spi_dt(starget) = 1; | |
517 | } | |
518 | ||
519 | spi_period(starget) = period; | |
520 | ||
521 | nego = mptspi_getRP(starget); | |
522 | ||
523 | pg1.RequestedParameters = cpu_to_le32(nego); | |
524 | pg1.Reserved = 0; | |
525 | pg1.Configuration = 0; | |
526 | ||
527 | mptspi_write_spi_device_pg1(starget, &pg1); | |
528 | } | |
529 | ||
530 | static void mptspi_write_dt(struct scsi_target *starget, int dt) | |
531 | { | |
532 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; | |
533 | u32 nego; | |
534 | ||
535 | if (spi_period(starget) == -1) | |
536 | mptspi_read_parameters(starget); | |
537 | ||
538 | if (!dt && spi_period(starget) < 10) | |
539 | spi_period(starget) = 10; | |
540 | ||
541 | spi_dt(starget) = dt; | |
542 | ||
543 | nego = mptspi_getRP(starget); | |
544 | ||
545 | ||
546 | pg1.RequestedParameters = cpu_to_le32(nego); | |
547 | pg1.Reserved = 0; | |
548 | pg1.Configuration = 0; | |
549 | ||
550 | mptspi_write_spi_device_pg1(starget, &pg1); | |
551 | } | |
552 | ||
553 | static void mptspi_write_iu(struct scsi_target *starget, int iu) | |
554 | { | |
555 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; | |
556 | u32 nego; | |
557 | ||
558 | if (spi_period(starget) == -1) | |
559 | mptspi_read_parameters(starget); | |
560 | ||
561 | if (!iu && spi_period(starget) < 9) | |
562 | spi_period(starget) = 9; | |
563 | ||
564 | spi_iu(starget) = iu; | |
565 | ||
566 | nego = mptspi_getRP(starget); | |
567 | ||
568 | pg1.RequestedParameters = cpu_to_le32(nego); | |
569 | pg1.Reserved = 0; | |
570 | pg1.Configuration = 0; | |
571 | ||
572 | mptspi_write_spi_device_pg1(starget, &pg1); | |
573 | } | |
574 | ||
575 | #define MPTSPI_SIMPLE_TRANSPORT_PARM(parm) \ | |
576 | static void mptspi_write_##parm(struct scsi_target *starget, int parm)\ | |
577 | { \ | |
578 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; \ | |
579 | u32 nego; \ | |
580 | \ | |
581 | spi_##parm(starget) = parm; \ | |
582 | \ | |
583 | nego = mptspi_getRP(starget); \ | |
584 | \ | |
585 | pg1.RequestedParameters = cpu_to_le32(nego); \ | |
586 | pg1.Reserved = 0; \ | |
587 | pg1.Configuration = 0; \ | |
588 | \ | |
589 | mptspi_write_spi_device_pg1(starget, &pg1); \ | |
590 | } | |
591 | ||
592 | MPTSPI_SIMPLE_TRANSPORT_PARM(rd_strm) | |
593 | MPTSPI_SIMPLE_TRANSPORT_PARM(wr_flow) | |
594 | MPTSPI_SIMPLE_TRANSPORT_PARM(rti) | |
595 | MPTSPI_SIMPLE_TRANSPORT_PARM(hold_mcs) | |
596 | MPTSPI_SIMPLE_TRANSPORT_PARM(pcomp_en) | |
597 | ||
598 | static void mptspi_write_qas(struct scsi_target *starget, int qas) | |
599 | { | |
600 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; | |
601 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); | |
602 | struct _MPT_SCSI_HOST *hd = (struct _MPT_SCSI_HOST *)shost->hostdata; | |
603 | VirtTarget *vtarget = starget->hostdata; | |
604 | u32 nego; | |
605 | ||
606 | if ((vtarget->negoFlags & MPT_TARGET_NO_NEGO_QAS) || | |
607 | hd->ioc->spi_data.noQas) | |
608 | spi_qas(starget) = 0; | |
609 | else | |
610 | spi_qas(starget) = qas; | |
611 | ||
612 | nego = mptspi_getRP(starget); | |
613 | ||
614 | pg1.RequestedParameters = cpu_to_le32(nego); | |
615 | pg1.Reserved = 0; | |
616 | pg1.Configuration = 0; | |
617 | ||
618 | mptspi_write_spi_device_pg1(starget, &pg1); | |
619 | } | |
620 | ||
621 | static void mptspi_write_width(struct scsi_target *starget, int width) | |
622 | { | |
623 | struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; | |
624 | u32 nego; | |
625 | ||
626 | if (!width) { | |
627 | spi_dt(starget) = 0; | |
628 | if (spi_period(starget) < 10) | |
629 | spi_period(starget) = 10; | |
630 | } | |
631 | ||
632 | spi_width(starget) = width; | |
633 | ||
634 | nego = mptspi_getRP(starget); | |
635 | ||
636 | pg1.RequestedParameters = cpu_to_le32(nego); | |
637 | pg1.Reserved = 0; | |
638 | pg1.Configuration = 0; | |
639 | ||
640 | mptspi_write_spi_device_pg1(starget, &pg1); | |
641 | } | |
642 | ||
643 | struct work_queue_wrapper { | |
644 | struct work_struct work; | |
645 | struct _MPT_SCSI_HOST *hd; | |
646 | int disk; | |
647 | }; | |
648 | ||
c4028958 | 649 | static void mpt_work_wrapper(struct work_struct *work) |
c92f222e | 650 | { |
c4028958 DH |
651 | struct work_queue_wrapper *wqw = |
652 | container_of(work, struct work_queue_wrapper, work); | |
c92f222e JB |
653 | struct _MPT_SCSI_HOST *hd = wqw->hd; |
654 | struct Scsi_Host *shost = hd->ioc->sh; | |
655 | struct scsi_device *sdev; | |
656 | int disk = wqw->disk; | |
657 | struct _CONFIG_PAGE_IOC_3 *pg3; | |
658 | ||
659 | kfree(wqw); | |
660 | ||
661 | mpt_findImVolumes(hd->ioc); | |
662 | pg3 = hd->ioc->raid_data.pIocPg3; | |
663 | if (!pg3) | |
664 | return; | |
665 | ||
666 | shost_for_each_device(sdev,shost) { | |
667 | struct scsi_target *starget = scsi_target(sdev); | |
668 | VirtTarget *vtarget = starget->hostdata; | |
669 | ||
670 | /* only want to search RAID components */ | |
671 | if (sdev->channel != 1) | |
672 | continue; | |
673 | ||
674 | /* The target_id is the raid PhysDiskNum, even if | |
675 | * starget->id is the actual target address */ | |
676 | if(vtarget->target_id != disk) | |
677 | continue; | |
678 | ||
679 | starget_printk(KERN_INFO, vtarget->starget, | |
680 | "Integrated RAID requests DV of new device\n"); | |
681 | mptspi_dv_device(hd, sdev); | |
682 | } | |
683 | shost_printk(KERN_INFO, shost, | |
684 | "Integrated RAID detects new device %d\n", disk); | |
685 | scsi_scan_target(&hd->ioc->sh->shost_gendev, 1, disk, 0, 1); | |
686 | } | |
687 | ||
688 | ||
689 | static void mpt_dv_raid(struct _MPT_SCSI_HOST *hd, int disk) | |
690 | { | |
691 | struct work_queue_wrapper *wqw = kmalloc(sizeof(*wqw), GFP_ATOMIC); | |
692 | ||
693 | if (!wqw) { | |
694 | shost_printk(KERN_ERR, hd->ioc->sh, | |
695 | "Failed to act on RAID event for physical disk %d\n", | |
696 | disk); | |
697 | return; | |
698 | } | |
c4028958 | 699 | INIT_WORK(&wqw->work, mpt_work_wrapper); |
c92f222e JB |
700 | wqw->hd = hd; |
701 | wqw->disk = disk; | |
702 | ||
703 | schedule_work(&wqw->work); | |
704 | } | |
705 | ||
706 | static int | |
707 | mptspi_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) | |
708 | { | |
709 | u8 event = le32_to_cpu(pEvReply->Event) & 0xFF; | |
710 | struct _MPT_SCSI_HOST *hd = (struct _MPT_SCSI_HOST *)ioc->sh->hostdata; | |
711 | ||
712 | if (hd && event == MPI_EVENT_INTEGRATED_RAID) { | |
713 | int reason | |
714 | = (le32_to_cpu(pEvReply->Data[0]) & 0x00FF0000) >> 16; | |
715 | ||
716 | if (reason == MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED) { | |
717 | int disk = (le32_to_cpu(pEvReply->Data[0]) & 0xFF000000) >> 24; | |
718 | mpt_dv_raid(hd, disk); | |
719 | } | |
720 | } | |
721 | return mptscsih_event_process(ioc, pEvReply); | |
722 | } | |
723 | ||
724 | static int | |
725 | mptspi_deny_binding(struct scsi_target *starget) | |
726 | { | |
727 | struct _MPT_SCSI_HOST *hd = | |
728 | (struct _MPT_SCSI_HOST *)dev_to_shost(starget->dev.parent)->hostdata; | |
729 | return ((hd->ioc->raid_data.isRaid & (1 << starget->id)) && | |
730 | starget->channel == 0) ? 1 : 0; | |
731 | } | |
732 | ||
733 | static struct spi_function_template mptspi_transport_functions = { | |
734 | .get_offset = mptspi_read_parameters, | |
735 | .set_offset = mptspi_write_offset, | |
736 | .show_offset = 1, | |
737 | .get_period = mptspi_read_parameters, | |
738 | .set_period = mptspi_write_period, | |
739 | .show_period = 1, | |
740 | .get_width = mptspi_read_parameters, | |
741 | .set_width = mptspi_write_width, | |
742 | .show_width = 1, | |
743 | .get_iu = mptspi_read_parameters, | |
744 | .set_iu = mptspi_write_iu, | |
745 | .show_iu = 1, | |
746 | .get_dt = mptspi_read_parameters, | |
747 | .set_dt = mptspi_write_dt, | |
748 | .show_dt = 1, | |
749 | .get_qas = mptspi_read_parameters, | |
750 | .set_qas = mptspi_write_qas, | |
751 | .show_qas = 1, | |
752 | .get_wr_flow = mptspi_read_parameters, | |
753 | .set_wr_flow = mptspi_write_wr_flow, | |
754 | .show_wr_flow = 1, | |
755 | .get_rd_strm = mptspi_read_parameters, | |
756 | .set_rd_strm = mptspi_write_rd_strm, | |
757 | .show_rd_strm = 1, | |
758 | .get_rti = mptspi_read_parameters, | |
759 | .set_rti = mptspi_write_rti, | |
760 | .show_rti = 1, | |
761 | .get_pcomp_en = mptspi_read_parameters, | |
762 | .set_pcomp_en = mptspi_write_pcomp_en, | |
763 | .show_pcomp_en = 1, | |
764 | .get_hold_mcs = mptspi_read_parameters, | |
765 | .set_hold_mcs = mptspi_write_hold_mcs, | |
766 | .show_hold_mcs = 1, | |
767 | .deny_binding = mptspi_deny_binding, | |
768 | }; | |
243eabcf MED |
769 | |
770 | /**************************************************************************** | |
771 | * Supported hardware | |
772 | */ | |
773 | ||
774 | static struct pci_device_id mptspi_pci_table[] = { | |
87cf8986 | 775 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_53C1030, |
243eabcf | 776 | PCI_ANY_ID, PCI_ANY_ID }, |
87cf8986 | 777 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_53C1035, |
243eabcf MED |
778 | PCI_ANY_ID, PCI_ANY_ID }, |
779 | {0} /* Terminating entry */ | |
780 | }; | |
781 | MODULE_DEVICE_TABLE(pci, mptspi_pci_table); | |
782 | ||
6e1cad02 EM |
783 | |
784 | /* | |
785 | * renegotiate for a given target | |
786 | */ | |
787 | static void | |
c4028958 | 788 | mptspi_dv_renegotiate_work(struct work_struct *work) |
6e1cad02 | 789 | { |
c4028958 DH |
790 | struct work_queue_wrapper *wqw = |
791 | container_of(work, struct work_queue_wrapper, work); | |
6e1cad02 EM |
792 | struct _MPT_SCSI_HOST *hd = wqw->hd; |
793 | struct scsi_device *sdev; | |
794 | ||
795 | kfree(wqw); | |
796 | ||
797 | shost_for_each_device(sdev, hd->ioc->sh) | |
798 | mptspi_dv_device(hd, sdev); | |
799 | } | |
800 | ||
801 | static void | |
802 | mptspi_dv_renegotiate(struct _MPT_SCSI_HOST *hd) | |
803 | { | |
804 | struct work_queue_wrapper *wqw = kmalloc(sizeof(*wqw), GFP_ATOMIC); | |
805 | ||
806 | if (!wqw) | |
807 | return; | |
808 | ||
c4028958 | 809 | INIT_WORK(&wqw->work, mptspi_dv_renegotiate_work); |
6e1cad02 EM |
810 | wqw->hd = hd; |
811 | ||
812 | schedule_work(&wqw->work); | |
813 | } | |
814 | ||
815 | /* | |
816 | * spi module reset handler | |
817 | */ | |
818 | static int | |
819 | mptspi_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) | |
820 | { | |
821 | struct _MPT_SCSI_HOST *hd = (struct _MPT_SCSI_HOST *)ioc->sh->hostdata; | |
822 | int rc; | |
823 | ||
824 | rc = mptscsih_ioc_reset(ioc, reset_phase); | |
825 | ||
826 | if (reset_phase == MPT_IOC_POST_RESET) | |
827 | mptspi_dv_renegotiate(hd); | |
828 | ||
829 | return rc; | |
830 | } | |
831 | ||
c29ca9d1 | 832 | #ifdef CONFIG_PM |
6e1cad02 EM |
833 | /* |
834 | * spi module resume handler | |
835 | */ | |
836 | static int | |
837 | mptspi_resume(struct pci_dev *pdev) | |
838 | { | |
839 | MPT_ADAPTER *ioc = pci_get_drvdata(pdev); | |
840 | struct _MPT_SCSI_HOST *hd = (struct _MPT_SCSI_HOST *)ioc->sh->hostdata; | |
841 | int rc; | |
842 | ||
843 | rc = mptscsih_resume(pdev); | |
844 | mptspi_dv_renegotiate(hd); | |
845 | ||
846 | return rc; | |
847 | } | |
c29ca9d1 | 848 | #endif |
6e1cad02 | 849 | |
243eabcf MED |
850 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
851 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
852 | /* | |
853 | * mptspi_probe - Installs scsi devices per bus. | |
854 | * @pdev: Pointer to pci_dev structure | |
855 | * | |
856 | * Returns 0 for success, non-zero for failure. | |
857 | * | |
858 | */ | |
859 | static int | |
860 | mptspi_probe(struct pci_dev *pdev, const struct pci_device_id *id) | |
861 | { | |
862 | struct Scsi_Host *sh; | |
863 | MPT_SCSI_HOST *hd; | |
864 | MPT_ADAPTER *ioc; | |
865 | unsigned long flags; | |
1ca00bb7 | 866 | int ii; |
243eabcf MED |
867 | int numSGE = 0; |
868 | int scale; | |
869 | int ioc_cap; | |
243eabcf MED |
870 | int error=0; |
871 | int r; | |
c6678e0c | 872 | |
243eabcf MED |
873 | if ((r = mpt_attach(pdev,id)) != 0) |
874 | return r; | |
c6678e0c | 875 | |
243eabcf | 876 | ioc = pci_get_drvdata(pdev); |
d335cc38 MED |
877 | ioc->DoneCtx = mptspiDoneCtx; |
878 | ioc->TaskCtx = mptspiTaskCtx; | |
879 | ioc->InternalCtx = mptspiInternalCtx; | |
c6678e0c | 880 | |
243eabcf MED |
881 | /* Added sanity check on readiness of the MPT adapter. |
882 | */ | |
883 | if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) { | |
884 | printk(MYIOC_s_WARN_FMT | |
885 | "Skipping because it's not operational!\n", | |
886 | ioc->name); | |
7acec1e7 MED |
887 | error = -ENODEV; |
888 | goto out_mptspi_probe; | |
243eabcf MED |
889 | } |
890 | ||
891 | if (!ioc->active) { | |
892 | printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n", | |
893 | ioc->name); | |
7acec1e7 MED |
894 | error = -ENODEV; |
895 | goto out_mptspi_probe; | |
243eabcf MED |
896 | } |
897 | ||
898 | /* Sanity check - ensure at least 1 port is INITIATOR capable | |
899 | */ | |
900 | ioc_cap = 0; | |
901 | for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) { | |
902 | if (ioc->pfacts[ii].ProtocolFlags & | |
903 | MPI_PORTFACTS_PROTOCOL_INITIATOR) | |
904 | ioc_cap ++; | |
905 | } | |
906 | ||
907 | if (!ioc_cap) { | |
908 | printk(MYIOC_s_WARN_FMT | |
909 | "Skipping ioc=%p because SCSI Initiator mode is NOT enabled!\n", | |
910 | ioc->name, ioc); | |
466544d8 | 911 | return 0; |
243eabcf MED |
912 | } |
913 | ||
914 | sh = scsi_host_alloc(&mptspi_driver_template, sizeof(MPT_SCSI_HOST)); | |
915 | ||
916 | if (!sh) { | |
917 | printk(MYIOC_s_WARN_FMT | |
918 | "Unable to register controller with SCSI subsystem\n", | |
919 | ioc->name); | |
7acec1e7 MED |
920 | error = -1; |
921 | goto out_mptspi_probe; | |
243eabcf MED |
922 | } |
923 | ||
924 | spin_lock_irqsave(&ioc->FreeQlock, flags); | |
925 | ||
926 | /* Attach the SCSI Host to the IOC structure | |
927 | */ | |
928 | ioc->sh = sh; | |
929 | ||
930 | sh->io_port = 0; | |
931 | sh->n_io_port = 0; | |
932 | sh->irq = 0; | |
933 | ||
934 | /* set 16 byte cdb's */ | |
935 | sh->max_cmd_len = 16; | |
936 | ||
937 | /* Yikes! This is important! | |
938 | * Otherwise, by default, linux | |
939 | * only scans target IDs 0-7! | |
940 | * pfactsN->MaxDevices unreliable | |
941 | * (not supported in early | |
942 | * versions of the FW). | |
943 | * max_id = 1 + actual max id, | |
944 | * max_lun = 1 + actual last lun, | |
945 | * see hosts.h :o( | |
946 | */ | |
947 | sh->max_id = MPT_MAX_SCSI_DEVICES; | |
948 | ||
949 | sh->max_lun = MPT_LAST_LUN + 1; | |
c92f222e JB |
950 | /* |
951 | * If RAID Firmware Detected, setup virtual channel | |
952 | */ | |
953 | if ((ioc->facts.ProductID & MPI_FW_HEADER_PID_PROD_MASK) | |
954 | > MPI_FW_HEADER_PID_PROD_TARGET_SCSI) | |
955 | sh->max_channel = 1; | |
956 | else | |
957 | sh->max_channel = 0; | |
243eabcf MED |
958 | sh->this_id = ioc->pfacts[0].PortSCSIID; |
959 | ||
960 | /* Required entry. | |
961 | */ | |
962 | sh->unique_id = ioc->id; | |
963 | ||
964 | /* Verify that we won't exceed the maximum | |
965 | * number of chain buffers | |
966 | * We can optimize: ZZ = req_sz/sizeof(SGE) | |
967 | * For 32bit SGE's: | |
968 | * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ | |
969 | * + (req_sz - 64)/sizeof(SGE) | |
970 | * A slightly different algorithm is required for | |
971 | * 64bit SGEs. | |
972 | */ | |
973 | scale = ioc->req_sz/(sizeof(dma_addr_t) + sizeof(u32)); | |
974 | if (sizeof(dma_addr_t) == sizeof(u64)) { | |
975 | numSGE = (scale - 1) * | |
976 | (ioc->facts.MaxChainDepth-1) + scale + | |
977 | (ioc->req_sz - 60) / (sizeof(dma_addr_t) + | |
978 | sizeof(u32)); | |
979 | } else { | |
980 | numSGE = 1 + (scale - 1) * | |
981 | (ioc->facts.MaxChainDepth-1) + scale + | |
982 | (ioc->req_sz - 64) / (sizeof(dma_addr_t) + | |
983 | sizeof(u32)); | |
984 | } | |
985 | ||
986 | if (numSGE < sh->sg_tablesize) { | |
987 | /* Reset this value */ | |
988 | dprintk((MYIOC_s_INFO_FMT | |
989 | "Resetting sg_tablesize to %d from %d\n", | |
990 | ioc->name, numSGE, sh->sg_tablesize)); | |
991 | sh->sg_tablesize = numSGE; | |
992 | } | |
993 | ||
243eabcf MED |
994 | spin_unlock_irqrestore(&ioc->FreeQlock, flags); |
995 | ||
996 | hd = (MPT_SCSI_HOST *) sh->hostdata; | |
997 | hd->ioc = ioc; | |
998 | ||
999 | /* SCSI needs scsi_cmnd lookup table! | |
1000 | * (with size equal to req_depth*PtrSz!) | |
1001 | */ | |
1ca00bb7 CH |
1002 | hd->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC); |
1003 | if (!hd->ScsiLookup) { | |
243eabcf | 1004 | error = -ENOMEM; |
7acec1e7 | 1005 | goto out_mptspi_probe; |
243eabcf MED |
1006 | } |
1007 | ||
1ca00bb7 CH |
1008 | dprintk((MYIOC_s_INFO_FMT "ScsiLookup @ %p\n", |
1009 | ioc->name, hd->ScsiLookup)); | |
243eabcf MED |
1010 | |
1011 | /* Allocate memory for the device structures. | |
1012 | * A non-Null pointer at an offset | |
1013 | * indicates a device exists. | |
1014 | * max_id = 1 + maximum id (hosts.h) | |
1015 | */ | |
c92f222e JB |
1016 | hd->Targets = kcalloc(sh->max_id * (sh->max_channel + 1), |
1017 | sizeof(void *), GFP_ATOMIC); | |
1ca00bb7 | 1018 | if (!hd->Targets) { |
243eabcf | 1019 | error = -ENOMEM; |
7acec1e7 | 1020 | goto out_mptspi_probe; |
243eabcf MED |
1021 | } |
1022 | ||
1ca00bb7 | 1023 | dprintk((KERN_INFO " vdev @ %p\n", hd->Targets)); |
243eabcf MED |
1024 | |
1025 | /* Clear the TM flags | |
1026 | */ | |
1027 | hd->tmPending = 0; | |
1028 | hd->tmState = TM_STATE_NONE; | |
1029 | hd->resetPending = 0; | |
1030 | hd->abortSCpnt = NULL; | |
1031 | ||
1032 | /* Clear the pointer used to store | |
1033 | * single-threaded commands, i.e., those | |
1034 | * issued during a bus scan, dv and | |
1035 | * configuration pages. | |
1036 | */ | |
1037 | hd->cmdPtr = NULL; | |
1038 | ||
1039 | /* Initialize this SCSI Hosts' timers | |
1040 | * To use, set the timer expires field | |
1041 | * and add_timer | |
1042 | */ | |
1043 | init_timer(&hd->timer); | |
1044 | hd->timer.data = (unsigned long) hd; | |
1045 | hd->timer.function = mptscsih_timer_expired; | |
1046 | ||
1047 | ioc->spi_data.Saf_Te = mpt_saf_te; | |
243eabcf | 1048 | |
243eabcf MED |
1049 | hd->negoNvram = MPT_SCSICFG_USE_NVRAM; |
1050 | ddvprintk((MYIOC_s_INFO_FMT | |
ba856d32 | 1051 | "saf_te %x\n", |
243eabcf | 1052 | ioc->name, |
ba856d32 | 1053 | mpt_saf_te)); |
243eabcf MED |
1054 | ioc->spi_data.noQas = 0; |
1055 | ||
243eabcf MED |
1056 | init_waitqueue_head(&hd->scandv_waitq); |
1057 | hd->scandv_wait_done = 0; | |
1058 | hd->last_queue_full = 0; | |
1059 | ||
c92f222e JB |
1060 | /* Some versions of the firmware don't support page 0; without |
1061 | * that we can't get the parameters */ | |
1062 | if (hd->ioc->spi_data.sdp0length != 0) | |
1063 | sh->transportt = mptspi_transport_template; | |
1064 | ||
243eabcf MED |
1065 | error = scsi_add_host (sh, &ioc->pcidev->dev); |
1066 | if(error) { | |
1067 | dprintk((KERN_ERR MYNAM | |
1068 | "scsi_add_host failed\n")); | |
7acec1e7 | 1069 | goto out_mptspi_probe; |
243eabcf MED |
1070 | } |
1071 | ||
d8e925dc ME |
1072 | /* |
1073 | * issue internal bus reset | |
1074 | */ | |
1075 | if (ioc->spi_data.bus_reset) | |
1076 | mptscsih_TMHandler(hd, | |
1077 | MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, | |
1078 | 0, 0, 0, 0, 5); | |
1079 | ||
243eabcf MED |
1080 | scsi_scan_host(sh); |
1081 | return 0; | |
1082 | ||
7acec1e7 | 1083 | out_mptspi_probe: |
243eabcf MED |
1084 | |
1085 | mptscsih_remove(pdev); | |
1086 | return error; | |
1087 | } | |
1088 | ||
1089 | static struct pci_driver mptspi_driver = { | |
1090 | .name = "mptspi", | |
1091 | .id_table = mptspi_pci_table, | |
1092 | .probe = mptspi_probe, | |
1093 | .remove = __devexit_p(mptscsih_remove), | |
d18c3db5 | 1094 | .shutdown = mptscsih_shutdown, |
243eabcf MED |
1095 | #ifdef CONFIG_PM |
1096 | .suspend = mptscsih_suspend, | |
6e1cad02 | 1097 | .resume = mptspi_resume, |
243eabcf MED |
1098 | #endif |
1099 | }; | |
1100 | ||
1101 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1102 | /** | |
1103 | * mptspi_init - Register MPT adapter(s) as SCSI host(s) with | |
1104 | * linux scsi mid-layer. | |
1105 | * | |
1106 | * Returns 0 for success, non-zero for failure. | |
1107 | */ | |
1108 | static int __init | |
1109 | mptspi_init(void) | |
1110 | { | |
243eabcf MED |
1111 | show_mptmod_ver(my_NAME, my_VERSION); |
1112 | ||
c92f222e JB |
1113 | mptspi_transport_template = spi_attach_transport(&mptspi_transport_functions); |
1114 | if (!mptspi_transport_template) | |
1115 | return -ENODEV; | |
1116 | ||
243eabcf MED |
1117 | mptspiDoneCtx = mpt_register(mptscsih_io_done, MPTSPI_DRIVER); |
1118 | mptspiTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSPI_DRIVER); | |
1119 | mptspiInternalCtx = mpt_register(mptscsih_scandv_complete, MPTSPI_DRIVER); | |
1120 | ||
c92f222e | 1121 | if (mpt_event_register(mptspiDoneCtx, mptspi_event_process) == 0) { |
3a892bef | 1122 | devtverboseprintk((KERN_INFO MYNAM |
243eabcf MED |
1123 | ": Registered for IOC event notifications\n")); |
1124 | } | |
1125 | ||
6e1cad02 | 1126 | if (mpt_reset_register(mptspiDoneCtx, mptspi_ioc_reset) == 0) { |
243eabcf MED |
1127 | dprintk((KERN_INFO MYNAM |
1128 | ": Registered for IOC reset notifications\n")); | |
1129 | } | |
1130 | ||
1131 | return pci_register_driver(&mptspi_driver); | |
1132 | } | |
1133 | ||
1134 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1135 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1136 | /** | |
1137 | * mptspi_exit - Unregisters MPT adapter(s) | |
1138 | * | |
1139 | */ | |
1140 | static void __exit | |
1141 | mptspi_exit(void) | |
1142 | { | |
1143 | pci_unregister_driver(&mptspi_driver); | |
d8e925dc | 1144 | |
243eabcf MED |
1145 | mpt_reset_deregister(mptspiDoneCtx); |
1146 | dprintk((KERN_INFO MYNAM | |
1147 | ": Deregistered for IOC reset notifications\n")); | |
1148 | ||
1149 | mpt_event_deregister(mptspiDoneCtx); | |
1150 | dprintk((KERN_INFO MYNAM | |
1151 | ": Deregistered for IOC event notifications\n")); | |
1152 | ||
1153 | mpt_deregister(mptspiInternalCtx); | |
1154 | mpt_deregister(mptspiTaskCtx); | |
1155 | mpt_deregister(mptspiDoneCtx); | |
c92f222e | 1156 | spi_release_transport(mptspi_transport_template); |
243eabcf MED |
1157 | } |
1158 | ||
1159 | module_init(mptspi_init); | |
1160 | module_exit(mptspi_exit); |