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.
6 * Copyright (c) 1999-2007 LSI Logic Corporation
7 * (mailto:mpt_linux_developer@lsi.com)
10 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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.
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.
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.
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
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
45 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/workqueue.h>
58 #include <linux/raid_class.h>
60 #include <scsi/scsi.h>
61 #include <scsi/scsi_cmnd.h>
62 #include <scsi/scsi_device.h>
63 #include <scsi/scsi_host.h>
64 #include <scsi/scsi_tcq.h>
65 #include <scsi/scsi_transport.h>
66 #include <scsi/scsi_transport_spi.h>
67 #include <scsi/scsi_dbg.h>
72 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
73 #define my_NAME "Fusion MPT SPI Host driver"
74 #define my_VERSION MPT_LINUX_VERSION_COMMON
75 #define MYNAM "mptspi"
77 MODULE_AUTHOR(MODULEAUTHOR);
78 MODULE_DESCRIPTION(my_NAME);
79 MODULE_LICENSE("GPL");
80 MODULE_VERSION(my_VERSION);
82 /* Command line args */
83 static int mpt_saf_te = MPTSCSIH_SAF_TE;
84 module_param(mpt_saf_te, int, 0);
85 MODULE_PARM_DESC(mpt_saf_te, " Force enabling SEP Processor: enable=1 (default=MPTSCSIH_SAF_TE=0)");
87 static void mptspi_write_offset(struct scsi_target *, int);
88 static void mptspi_write_width(struct scsi_target *, int);
89 static int mptspi_write_spi_device_pg1(struct scsi_target *,
90 struct _CONFIG_PAGE_SCSI_DEVICE_1 *);
92 static struct scsi_transport_template *mptspi_transport_template = NULL;
94 static int mptspiDoneCtx = -1;
95 static int mptspiTaskCtx = -1;
96 static int mptspiInternalCtx = -1; /* Used only for internal commands */
99 * mptspi_setTargetNegoParms - Update the target negotiation parameters
100 * @hd: Pointer to a SCSI Host Structure
101 * @target: per target private data
104 * Update the target negotiation parameters based on the the Inquiry
105 * data, adapter capabilities, and NVRAM settings.
108 mptspi_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtTarget *target,
109 struct scsi_device *sdev)
111 SpiCfgData *pspi_data = &hd->ioc->spi_data;
112 int id = (int) target->id;
114 u8 width = MPT_NARROW;
115 u8 factor = MPT_ASYNC;
120 target->negoFlags = pspi_data->noQas;
122 if (sdev->scsi_level < SCSI_2) {
125 offset = pspi_data->maxSyncOffset;
126 target->tflags &= ~MPT_TARGET_FLAGS_Q_YES;
128 if (scsi_device_wide(sdev))
131 if (scsi_device_sync(sdev)) {
132 factor = pspi_data->minSyncFactor;
133 if (!scsi_device_dt(sdev))
136 if (!scsi_device_ius(sdev) &&
137 !scsi_device_qas(sdev))
138 factor = MPT_ULTRA160;
140 factor = MPT_ULTRA320;
141 if (scsi_device_qas(sdev)) {
142 ddvprintk((KERN_INFO "Enabling QAS due to byte56=%02x on id=%d!\n", scsi_device_qas(sdev), id));
145 if (sdev->type == TYPE_TAPE &&
146 scsi_device_ius(sdev))
147 target->negoFlags |= MPT_TAPE_NEGO_IDP;
150 offset = pspi_data->maxSyncOffset;
152 /* If RAID, never disable QAS
153 * else if non RAID, do not disable
154 * QAS if bit 1 is set
155 * bit 1 QAS support, non-raid only
158 if (target->raidVolume == 1)
166 if (!sdev->tagged_supported)
167 target->tflags &= ~MPT_TARGET_FLAGS_Q_YES;
169 /* Update tflags based on NVRAM settings. (SCSI only)
171 if (pspi_data->nvram && (pspi_data->nvram[id] != MPT_HOST_NVRAM_INVALID)) {
172 nvram = pspi_data->nvram[id];
173 nfactor = (nvram & MPT_NVRAM_SYNC_MASK) >> 8;
176 width = nvram & MPT_NVRAM_WIDE_DISABLE ? 0 : 1;
179 /* Ensure factor is set to the
180 * maximum of: adapter, nvram, inquiry
183 if (nfactor < pspi_data->minSyncFactor )
184 nfactor = pspi_data->minSyncFactor;
186 factor = max(factor, nfactor);
187 if (factor == MPT_ASYNC)
198 /* Make sure data is consistent
200 if ((!width) && (factor < MPT_ULTRA2))
203 /* Save the data to the target structure.
205 target->minSyncFactor = factor;
206 target->maxOffset = offset;
207 target->maxWidth = width;
209 target->tflags |= MPT_TARGET_FLAGS_VALID_NEGO;
211 /* Disable unused features.
214 target->negoFlags |= MPT_TARGET_NO_NEGO_WIDE;
217 target->negoFlags |= MPT_TARGET_NO_NEGO_SYNC;
219 if ( factor > MPT_ULTRA320 )
222 if (noQas && (pspi_data->noQas == 0)) {
223 pspi_data->noQas |= MPT_TARGET_NO_NEGO_QAS;
224 target->negoFlags |= MPT_TARGET_NO_NEGO_QAS;
226 /* Disable QAS in a mixed configuration case
229 ddvprintk((KERN_INFO "Disabling QAS due to noQas=%02x on id=%d!\n", noQas, id));
234 * mptspi_writeIOCPage4 - write IOC Page 4
235 * @hd: Pointer to a SCSI Host Structure
236 * @channel: channel number
237 * @id: write IOC Page4 for this ID & Bus
239 * Return: -EAGAIN if unable to obtain a Message Frame
242 * Remark: We do not wait for a return, write pages sequentially.
245 mptspi_writeIOCPage4(MPT_SCSI_HOST *hd, u8 channel , u8 id)
247 MPT_ADAPTER *ioc = hd->ioc;
249 IOCPage4_t *IOCPage4Ptr;
257 /* Get a MF for this command.
259 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
260 dfailprintk((MYIOC_s_WARN_FMT "writeIOCPage4 : no msg frames!\n",
265 /* Set the request and the data pointers.
266 * Place data at end of MF.
268 pReq = (Config_t *)mf;
270 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
271 frameOffset = ioc->req_sz - sizeof(IOCPage4_t);
273 /* Complete the request frame (same for all requests).
275 pReq->Action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
277 pReq->ChainOffset = 0;
278 pReq->Function = MPI_FUNCTION_CONFIG;
279 pReq->ExtPageLength = 0;
280 pReq->ExtPageType = 0;
282 for (ii=0; ii < 8; ii++) {
283 pReq->Reserved2[ii] = 0;
286 IOCPage4Ptr = ioc->spi_data.pIocPg4;
287 dataDma = ioc->spi_data.IocPg4_dma;
288 ii = IOCPage4Ptr->ActiveSEP++;
289 IOCPage4Ptr->SEP[ii].SEPTargetID = id;
290 IOCPage4Ptr->SEP[ii].SEPBus = channel;
291 pReq->Header = IOCPage4Ptr->Header;
292 pReq->PageAddress = cpu_to_le32(id | (channel << 8 ));
294 /* Add a SGE to the config request.
296 flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE |
297 (IOCPage4Ptr->Header.PageLength + ii) * 4;
299 mpt_add_sge((char *)&pReq->PageBufferSGE, flagsLength, dataDma);
301 ddvprintk((MYIOC_s_INFO_FMT
302 "writeIOCPage4: MaxSEP=%d ActiveSEP=%d id=%d bus=%d\n",
303 ioc->name, IOCPage4Ptr->MaxSEP, IOCPage4Ptr->ActiveSEP, id, channel));
305 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
311 * mptspi_initTarget - Target, LUN alloc/free functionality.
312 * @hd: Pointer to MPT_SCSI_HOST structure
313 * @vtarget: per target private data
316 * NOTE: It's only SAFE to call this routine if data points to
317 * sane & valid STANDARD INQUIRY data!
319 * Allocate and initialize memory for this target.
324 mptspi_initTarget(MPT_SCSI_HOST *hd, VirtTarget *vtarget,
325 struct scsi_device *sdev)
328 /* Is LUN supported? If so, upper 2 bits will be 0
329 * in first byte of inquiry data.
331 if (sdev->inq_periph_qual != 0)
337 vtarget->type = sdev->type;
339 if ((sdev->type == TYPE_PROCESSOR) && (hd->ioc->spi_data.Saf_Te)) {
340 /* Treat all Processors as SAF-TE if
341 * command line option is set */
342 vtarget->tflags |= MPT_TARGET_FLAGS_SAF_TE_ISSUED;
343 mptspi_writeIOCPage4(hd, vtarget->channel, vtarget->id);
344 }else if ((sdev->type == TYPE_PROCESSOR) &&
345 !(vtarget->tflags & MPT_TARGET_FLAGS_SAF_TE_ISSUED )) {
346 if (sdev->inquiry_len > 49 ) {
347 if (sdev->inquiry[44] == 'S' &&
348 sdev->inquiry[45] == 'A' &&
349 sdev->inquiry[46] == 'F' &&
350 sdev->inquiry[47] == '-' &&
351 sdev->inquiry[48] == 'T' &&
352 sdev->inquiry[49] == 'E' ) {
353 vtarget->tflags |= MPT_TARGET_FLAGS_SAF_TE_ISSUED;
354 mptspi_writeIOCPage4(hd, vtarget->channel, vtarget->id);
358 mptspi_setTargetNegoParms(hd, vtarget, sdev);
362 * mptspi_is_raid - Determines whether target is belonging to volume
363 * @hd: Pointer to a SCSI HOST structure
364 * @id: target device id
372 mptspi_is_raid(struct _MPT_SCSI_HOST *hd, u32 id)
376 if (!hd->ioc->raid_data.pIocPg2)
379 if (!hd->ioc->raid_data.pIocPg2->NumActiveVolumes)
381 for (i=0; i < hd->ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
382 if (hd->ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID == id) {
392 static int mptspi_target_alloc(struct scsi_target *starget)
394 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
395 struct _MPT_SCSI_HOST *hd = (struct _MPT_SCSI_HOST *)shost->hostdata;
401 vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL);
405 vtarget->ioc_id = hd->ioc->id;
406 vtarget->tflags = MPT_TARGET_FLAGS_Q_YES;
407 vtarget->id = (u8)starget->id;
408 vtarget->channel = (u8)starget->channel;
409 vtarget->starget = starget;
410 starget->hostdata = vtarget;
412 if (starget->channel == 1) {
413 if (mptscsih_is_phys_disk(hd->ioc, 0, starget->id) == 0)
415 vtarget->tflags |= MPT_TARGET_FLAGS_RAID_COMPONENT;
416 /* The real channel for this device is zero */
417 vtarget->channel = 0;
418 /* The actual physdisknum (for RAID passthrough) */
419 vtarget->id = mptscsih_raid_id_to_num(hd->ioc, 0,
423 if (starget->channel == 0 &&
424 mptspi_is_raid(hd, starget->id)) {
425 vtarget->raidVolume = 1;
427 "RAID Volume @ channel=%d id=%d\n", starget->channel,
431 if (hd->ioc->spi_data.nvram &&
432 hd->ioc->spi_data.nvram[starget->id] != MPT_HOST_NVRAM_INVALID) {
433 u32 nvram = hd->ioc->spi_data.nvram[starget->id];
434 spi_min_period(starget) = (nvram & MPT_NVRAM_SYNC_MASK) >> MPT_NVRAM_SYNC_SHIFT;
435 spi_max_width(starget) = nvram & MPT_NVRAM_WIDE_DISABLE ? 0 : 1;
437 spi_min_period(starget) = hd->ioc->spi_data.minSyncFactor;
438 spi_max_width(starget) = hd->ioc->spi_data.maxBusWidth;
440 spi_max_offset(starget) = hd->ioc->spi_data.maxSyncOffset;
442 spi_offset(starget) = 0;
443 mptspi_write_width(starget, 0);
449 mptspi_target_destroy(struct scsi_target *starget)
451 if (starget->hostdata)
452 kfree(starget->hostdata);
453 starget->hostdata = NULL;
457 * mptspi_print_write_nego - negotiation parameters debug info that is being sent
458 * @hd: Pointer to a SCSI HOST structure
459 * @starget: SCSI target
460 * @ii: negotiation parameters
464 mptspi_print_write_nego(struct _MPT_SCSI_HOST *hd, struct scsi_target *starget, u32 ii)
466 ddvprintk((MYIOC_s_INFO_FMT "id=%d Requested = 0x%08x"
467 " ( %s factor = 0x%02x @ offset = 0x%02x %s%s%s%s%s%s%s%s)\n",
468 hd->ioc->name, starget->id, ii,
469 ii & MPI_SCSIDEVPAGE0_NP_WIDE ? "Wide ": "",
470 ((ii >> 8) & 0xFF), ((ii >> 16) & 0xFF),
471 ii & MPI_SCSIDEVPAGE0_NP_IU ? "IU ": "",
472 ii & MPI_SCSIDEVPAGE0_NP_DT ? "DT ": "",
473 ii & MPI_SCSIDEVPAGE0_NP_QAS ? "QAS ": "",
474 ii & MPI_SCSIDEVPAGE0_NP_HOLD_MCS ? "HOLDMCS ": "",
475 ii & MPI_SCSIDEVPAGE0_NP_WR_FLOW ? "WRFLOW ": "",
476 ii & MPI_SCSIDEVPAGE0_NP_RD_STRM ? "RDSTRM ": "",
477 ii & MPI_SCSIDEVPAGE0_NP_RTI ? "RTI ": "",
478 ii & MPI_SCSIDEVPAGE0_NP_PCOMP_EN ? "PCOMP ": ""));
482 * mptspi_print_read_nego - negotiation parameters debug info that is being read
483 * @hd: Pointer to a SCSI HOST structure
484 * @starget: SCSI target
485 * @ii: negotiation parameters
489 mptspi_print_read_nego(struct _MPT_SCSI_HOST *hd, struct scsi_target *starget, u32 ii)
491 ddvprintk((MYIOC_s_INFO_FMT "id=%d Read = 0x%08x"
492 " ( %s factor = 0x%02x @ offset = 0x%02x %s%s%s%s%s%s%s%s)\n",
493 hd->ioc->name, starget->id, ii,
494 ii & MPI_SCSIDEVPAGE0_NP_WIDE ? "Wide ": "",
495 ((ii >> 8) & 0xFF), ((ii >> 16) & 0xFF),
496 ii & MPI_SCSIDEVPAGE0_NP_IU ? "IU ": "",
497 ii & MPI_SCSIDEVPAGE0_NP_DT ? "DT ": "",
498 ii & MPI_SCSIDEVPAGE0_NP_QAS ? "QAS ": "",
499 ii & MPI_SCSIDEVPAGE0_NP_HOLD_MCS ? "HOLDMCS ": "",
500 ii & MPI_SCSIDEVPAGE0_NP_WR_FLOW ? "WRFLOW ": "",
501 ii & MPI_SCSIDEVPAGE0_NP_RD_STRM ? "RDSTRM ": "",
502 ii & MPI_SCSIDEVPAGE0_NP_RTI ? "RTI ": "",
503 ii & MPI_SCSIDEVPAGE0_NP_PCOMP_EN ? "PCOMP ": ""));
506 static int mptspi_read_spi_device_pg0(struct scsi_target *starget,
507 struct _CONFIG_PAGE_SCSI_DEVICE_0 *pass_pg0)
509 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
510 struct _MPT_SCSI_HOST *hd = (struct _MPT_SCSI_HOST *)shost->hostdata;
511 struct _MPT_ADAPTER *ioc = hd->ioc;
512 struct _CONFIG_PAGE_SCSI_DEVICE_0 *pg0;
515 struct _x_config_parms cfg;
516 struct _CONFIG_PAGE_HEADER hdr;
519 /* No SPI parameters for RAID devices */
520 if (starget->channel == 0 &&
521 mptspi_is_raid(hd, starget->id))
524 size = ioc->spi_data.sdp0length * 4;
526 if (ioc->spi_data.sdp0length & 1)
531 pg0 = dma_alloc_coherent(&ioc->pcidev->dev, size, &pg0_dma, GFP_KERNEL);
533 starget_printk(KERN_ERR, starget, "dma_alloc_coherent for parameters failed\n");
537 memset(&hdr, 0, sizeof(hdr));
539 hdr.PageVersion = ioc->spi_data.sdp0version;
540 hdr.PageLength = ioc->spi_data.sdp0length;
542 hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
544 memset(&cfg, 0, sizeof(cfg));
546 cfg.cfghdr.hdr = &hdr;
547 cfg.physAddr = pg0_dma;
548 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
550 cfg.pageAddr = starget->id;
552 if (mpt_config(ioc, &cfg)) {
553 starget_printk(KERN_ERR, starget, "mpt_config failed\n");
557 memcpy(pass_pg0, pg0, size);
559 mptspi_print_read_nego(hd, starget, le32_to_cpu(pg0->NegotiatedParameters));
562 dma_free_coherent(&ioc->pcidev->dev, size, pg0, pg0_dma);
566 static u32 mptspi_getRP(struct scsi_target *starget)
570 nego |= spi_iu(starget) ? MPI_SCSIDEVPAGE1_RP_IU : 0;
571 nego |= spi_dt(starget) ? MPI_SCSIDEVPAGE1_RP_DT : 0;
572 nego |= spi_qas(starget) ? MPI_SCSIDEVPAGE1_RP_QAS : 0;
573 nego |= spi_hold_mcs(starget) ? MPI_SCSIDEVPAGE1_RP_HOLD_MCS : 0;
574 nego |= spi_wr_flow(starget) ? MPI_SCSIDEVPAGE1_RP_WR_FLOW : 0;
575 nego |= spi_rd_strm(starget) ? MPI_SCSIDEVPAGE1_RP_RD_STRM : 0;
576 nego |= spi_rti(starget) ? MPI_SCSIDEVPAGE1_RP_RTI : 0;
577 nego |= spi_pcomp_en(starget) ? MPI_SCSIDEVPAGE1_RP_PCOMP_EN : 0;
579 nego |= (spi_period(starget) << MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD) & MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK;
580 nego |= (spi_offset(starget) << MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET) & MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK;
581 nego |= spi_width(starget) ? MPI_SCSIDEVPAGE1_RP_WIDE : 0;
586 static void mptspi_read_parameters(struct scsi_target *starget)
589 struct _CONFIG_PAGE_SCSI_DEVICE_0 pg0;
591 mptspi_read_spi_device_pg0(starget, &pg0);
593 nego = le32_to_cpu(pg0.NegotiatedParameters);
595 spi_iu(starget) = (nego & MPI_SCSIDEVPAGE0_NP_IU) ? 1 : 0;
596 spi_dt(starget) = (nego & MPI_SCSIDEVPAGE0_NP_DT) ? 1 : 0;
597 spi_qas(starget) = (nego & MPI_SCSIDEVPAGE0_NP_QAS) ? 1 : 0;
598 spi_wr_flow(starget) = (nego & MPI_SCSIDEVPAGE0_NP_WR_FLOW) ? 1 : 0;
599 spi_rd_strm(starget) = (nego & MPI_SCSIDEVPAGE0_NP_RD_STRM) ? 1 : 0;
600 spi_rti(starget) = (nego & MPI_SCSIDEVPAGE0_NP_RTI) ? 1 : 0;
601 spi_pcomp_en(starget) = (nego & MPI_SCSIDEVPAGE0_NP_PCOMP_EN) ? 1 : 0;
602 spi_hold_mcs(starget) = (nego & MPI_SCSIDEVPAGE0_NP_HOLD_MCS) ? 1 : 0;
603 spi_period(starget) = (nego & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK) >> MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_PERIOD;
604 spi_offset(starget) = (nego & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK) >> MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_OFFSET;
605 spi_width(starget) = (nego & MPI_SCSIDEVPAGE0_NP_WIDE) ? 1 : 0;
609 mptscsih_quiesce_raid(MPT_SCSI_HOST *hd, int quiesce, u8 channel, u8 id)
611 MpiRaidActionRequest_t *pReq;
614 /* Get and Populate a free Frame
616 if ((mf = mpt_get_msg_frame(hd->ioc->InternalCtx, hd->ioc)) == NULL) {
617 ddvprintk((MYIOC_s_WARN_FMT "_do_raid: no msg frames!\n",
621 pReq = (MpiRaidActionRequest_t *)mf;
623 pReq->Action = MPI_RAID_ACTION_QUIESCE_PHYS_IO;
625 pReq->Action = MPI_RAID_ACTION_ENABLE_PHYS_IO;
627 pReq->ChainOffset = 0;
628 pReq->Function = MPI_FUNCTION_RAID_ACTION;
630 pReq->VolumeBus = channel;
631 pReq->PhysDiskNum = 0;
634 pReq->ActionDataWord = 0; /* Reserved for this action */
636 mpt_add_sge((char *)&pReq->ActionDataSGE,
637 MPT_SGE_FLAGS_SSIMPLE_READ | 0, (dma_addr_t) -1);
639 ddvprintk((MYIOC_s_INFO_FMT "RAID Volume action=%x channel=%d id=%d\n",
640 hd->ioc->name, pReq->Action, channel, id));
643 hd->timer.expires = jiffies + HZ*10; /* 10 second timeout */
644 hd->scandv_wait_done = 0;
646 /* Save cmd pointer, for resource free if timeout or
651 add_timer(&hd->timer);
652 mpt_put_msg_frame(hd->ioc->InternalCtx, hd->ioc, mf);
653 wait_event(hd->scandv_waitq, hd->scandv_wait_done);
655 if ((hd->pLocal == NULL) || (hd->pLocal->completion != 0))
661 static void mptspi_dv_device(struct _MPT_SCSI_HOST *hd,
662 struct scsi_device *sdev)
664 VirtTarget *vtarget = scsi_target(sdev)->hostdata;
666 /* no DV on RAID devices */
667 if (sdev->channel == 0 &&
668 mptspi_is_raid(hd, sdev->id))
671 /* If this is a piece of a RAID, then quiesce first */
672 if (sdev->channel == 1 &&
673 mptscsih_quiesce_raid(hd, 1, vtarget->channel, vtarget->id) < 0) {
674 starget_printk(KERN_ERR, scsi_target(sdev),
675 "Integrated RAID quiesce failed\n");
681 if (sdev->channel == 1 &&
682 mptscsih_quiesce_raid(hd, 0, vtarget->channel, vtarget->id) < 0)
683 starget_printk(KERN_ERR, scsi_target(sdev),
684 "Integrated RAID resume failed\n");
686 mptspi_read_parameters(sdev->sdev_target);
687 spi_display_xfer_agreement(sdev->sdev_target);
688 mptspi_read_parameters(sdev->sdev_target);
691 static int mptspi_slave_alloc(struct scsi_device *sdev)
693 MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)sdev->host->hostdata;
696 struct scsi_target *starget;
698 if (sdev->channel == 1 &&
699 mptscsih_is_phys_disk(hd->ioc, 0, sdev->id) == 0)
702 vdev = kzalloc(sizeof(VirtDevice), GFP_KERNEL);
704 printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n",
705 hd->ioc->name, sizeof(VirtDevice));
709 vdev->lun = sdev->lun;
710 sdev->hostdata = vdev;
712 starget = scsi_target(sdev);
713 vtarget = starget->hostdata;
714 vdev->vtarget = vtarget;
717 if (sdev->channel == 1)
718 sdev->no_uld_attach = 1;
723 static int mptspi_slave_configure(struct scsi_device *sdev)
725 struct _MPT_SCSI_HOST *hd =
726 (struct _MPT_SCSI_HOST *)sdev->host->hostdata;
727 VirtTarget *vtarget = scsi_target(sdev)->hostdata;
728 int ret = mptscsih_slave_configure(sdev);
733 mptspi_initTarget(hd, vtarget, sdev);
735 ddvprintk((MYIOC_s_INFO_FMT "id=%d min_period=0x%02x"
736 " max_offset=0x%02x max_width=%d\n", hd->ioc->name,
737 sdev->id, spi_min_period(scsi_target(sdev)),
738 spi_max_offset(scsi_target(sdev)),
739 spi_max_width(scsi_target(sdev))));
741 if ((sdev->channel == 1 ||
742 !(mptspi_is_raid(hd, sdev->id))) &&
743 !spi_initial_dv(sdev->sdev_target))
744 mptspi_dv_device(hd, sdev);
750 mptspi_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
752 struct _MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *) SCpnt->device->host->hostdata;
753 VirtDevice *vdev = SCpnt->device->hostdata;
755 if (!vdev || !vdev->vtarget) {
756 SCpnt->result = DID_NO_CONNECT << 16;
761 if (SCpnt->device->channel == 1 &&
762 mptscsih_is_phys_disk(hd->ioc, 0, SCpnt->device->id) == 0) {
763 SCpnt->result = DID_NO_CONNECT << 16;
769 if (spi_dv_pending(scsi_target(SCpnt->device)))
770 scsi_print_command(SCpnt);
773 return mptscsih_qcmd(SCpnt,done);
776 static void mptspi_slave_destroy(struct scsi_device *sdev)
778 struct scsi_target *starget = scsi_target(sdev);
779 VirtTarget *vtarget = starget->hostdata;
780 VirtDevice *vdevice = sdev->hostdata;
782 /* Will this be the last lun on a non-raid device? */
783 if (vtarget->num_luns == 1 && vdevice->configured_lun) {
784 struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1;
787 pg1.RequestedParameters = 0;
789 pg1.Configuration = 0;
791 mptspi_write_spi_device_pg1(starget, &pg1);
794 mptscsih_slave_destroy(sdev);
797 static struct scsi_host_template mptspi_driver_template = {
798 .module = THIS_MODULE,
799 .proc_name = "mptspi",
800 .proc_info = mptscsih_proc_info,
801 .name = "MPT SPI Host",
802 .info = mptscsih_info,
803 .queuecommand = mptspi_qcmd,
804 .target_alloc = mptspi_target_alloc,
805 .slave_alloc = mptspi_slave_alloc,
806 .slave_configure = mptspi_slave_configure,
807 .target_destroy = mptspi_target_destroy,
808 .slave_destroy = mptspi_slave_destroy,
809 .change_queue_depth = mptscsih_change_queue_depth,
810 .eh_abort_handler = mptscsih_abort,
811 .eh_device_reset_handler = mptscsih_dev_reset,
812 .eh_bus_reset_handler = mptscsih_bus_reset,
813 .eh_host_reset_handler = mptscsih_host_reset,
814 .bios_param = mptscsih_bios_param,
815 .can_queue = MPT_SCSI_CAN_QUEUE,
817 .sg_tablesize = MPT_SCSI_SG_DEPTH,
820 .use_clustering = ENABLE_CLUSTERING,
823 static int mptspi_write_spi_device_pg1(struct scsi_target *starget,
824 struct _CONFIG_PAGE_SCSI_DEVICE_1 *pass_pg1)
826 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
827 struct _MPT_SCSI_HOST *hd = (struct _MPT_SCSI_HOST *)shost->hostdata;
828 struct _MPT_ADAPTER *ioc = hd->ioc;
829 struct _CONFIG_PAGE_SCSI_DEVICE_1 *pg1;
832 struct _x_config_parms cfg;
833 struct _CONFIG_PAGE_HEADER hdr;
836 /* don't allow updating nego parameters on RAID devices */
837 if (starget->channel == 0 &&
838 mptspi_is_raid(hd, starget->id))
841 size = ioc->spi_data.sdp1length * 4;
843 pg1 = dma_alloc_coherent(&ioc->pcidev->dev, size, &pg1_dma, GFP_KERNEL);
845 starget_printk(KERN_ERR, starget, "dma_alloc_coherent for parameters failed\n");
849 memset(&hdr, 0, sizeof(hdr));
851 hdr.PageVersion = ioc->spi_data.sdp1version;
852 hdr.PageLength = ioc->spi_data.sdp1length;
854 hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
856 memset(&cfg, 0, sizeof(cfg));
858 cfg.cfghdr.hdr = &hdr;
859 cfg.physAddr = pg1_dma;
860 cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
862 cfg.pageAddr = starget->id;
864 memcpy(pg1, pass_pg1, size);
866 pg1->Header.PageVersion = hdr.PageVersion;
867 pg1->Header.PageLength = hdr.PageLength;
868 pg1->Header.PageNumber = hdr.PageNumber;
869 pg1->Header.PageType = hdr.PageType;
871 mptspi_print_write_nego(hd, starget, le32_to_cpu(pg1->RequestedParameters));
873 if (mpt_config(ioc, &cfg)) {
874 starget_printk(KERN_ERR, starget, "mpt_config failed\n");
880 dma_free_coherent(&ioc->pcidev->dev, size, pg1, pg1_dma);
884 static void mptspi_write_offset(struct scsi_target *starget, int offset)
886 struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1;
895 if (spi_offset(starget) == -1)
896 mptspi_read_parameters(starget);
898 spi_offset(starget) = offset;
900 nego = mptspi_getRP(starget);
902 pg1.RequestedParameters = cpu_to_le32(nego);
904 pg1.Configuration = 0;
906 mptspi_write_spi_device_pg1(starget, &pg1);
909 static void mptspi_write_period(struct scsi_target *starget, int period)
911 struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1;
920 if (spi_period(starget) == -1)
921 mptspi_read_parameters(starget);
926 } else if (period == 9) {
930 spi_period(starget) = period;
932 nego = mptspi_getRP(starget);
934 pg1.RequestedParameters = cpu_to_le32(nego);
936 pg1.Configuration = 0;
938 mptspi_write_spi_device_pg1(starget, &pg1);
941 static void mptspi_write_dt(struct scsi_target *starget, int dt)
943 struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1;
946 if (spi_period(starget) == -1)
947 mptspi_read_parameters(starget);
949 if (!dt && spi_period(starget) < 10)
950 spi_period(starget) = 10;
952 spi_dt(starget) = dt;
954 nego = mptspi_getRP(starget);
957 pg1.RequestedParameters = cpu_to_le32(nego);
959 pg1.Configuration = 0;
961 mptspi_write_spi_device_pg1(starget, &pg1);
964 static void mptspi_write_iu(struct scsi_target *starget, int iu)
966 struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1;
969 if (spi_period(starget) == -1)
970 mptspi_read_parameters(starget);
972 if (!iu && spi_period(starget) < 9)
973 spi_period(starget) = 9;
975 spi_iu(starget) = iu;
977 nego = mptspi_getRP(starget);
979 pg1.RequestedParameters = cpu_to_le32(nego);
981 pg1.Configuration = 0;
983 mptspi_write_spi_device_pg1(starget, &pg1);
986 #define MPTSPI_SIMPLE_TRANSPORT_PARM(parm) \
987 static void mptspi_write_##parm(struct scsi_target *starget, int parm)\
989 struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; \
992 spi_##parm(starget) = parm; \
994 nego = mptspi_getRP(starget); \
996 pg1.RequestedParameters = cpu_to_le32(nego); \
998 pg1.Configuration = 0; \
1000 mptspi_write_spi_device_pg1(starget, &pg1); \
1003 MPTSPI_SIMPLE_TRANSPORT_PARM(rd_strm)
1004 MPTSPI_SIMPLE_TRANSPORT_PARM(wr_flow)
1005 MPTSPI_SIMPLE_TRANSPORT_PARM(rti)
1006 MPTSPI_SIMPLE_TRANSPORT_PARM(hold_mcs)
1007 MPTSPI_SIMPLE_TRANSPORT_PARM(pcomp_en)
1009 static void mptspi_write_qas(struct scsi_target *starget, int qas)
1011 struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1;
1012 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
1013 struct _MPT_SCSI_HOST *hd = (struct _MPT_SCSI_HOST *)shost->hostdata;
1014 VirtTarget *vtarget = starget->hostdata;
1017 if ((vtarget->negoFlags & MPT_TARGET_NO_NEGO_QAS) ||
1018 hd->ioc->spi_data.noQas)
1019 spi_qas(starget) = 0;
1021 spi_qas(starget) = qas;
1023 nego = mptspi_getRP(starget);
1025 pg1.RequestedParameters = cpu_to_le32(nego);
1027 pg1.Configuration = 0;
1029 mptspi_write_spi_device_pg1(starget, &pg1);
1032 static void mptspi_write_width(struct scsi_target *starget, int width)
1034 struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1;
1038 spi_dt(starget) = 0;
1039 if (spi_period(starget) < 10)
1040 spi_period(starget) = 10;
1043 spi_width(starget) = width;
1045 nego = mptspi_getRP(starget);
1047 pg1.RequestedParameters = cpu_to_le32(nego);
1049 pg1.Configuration = 0;
1051 mptspi_write_spi_device_pg1(starget, &pg1);
1054 struct work_queue_wrapper {
1055 struct work_struct work;
1056 struct _MPT_SCSI_HOST *hd;
1060 static void mpt_work_wrapper(struct work_struct *work)
1062 struct work_queue_wrapper *wqw =
1063 container_of(work, struct work_queue_wrapper, work);
1064 struct _MPT_SCSI_HOST *hd = wqw->hd;
1065 struct Scsi_Host *shost = hd->ioc->sh;
1066 struct scsi_device *sdev;
1067 int disk = wqw->disk;
1068 struct _CONFIG_PAGE_IOC_3 *pg3;
1072 mpt_findImVolumes(hd->ioc);
1073 pg3 = hd->ioc->raid_data.pIocPg3;
1077 shost_for_each_device(sdev,shost) {
1078 struct scsi_target *starget = scsi_target(sdev);
1079 VirtTarget *vtarget = starget->hostdata;
1081 /* only want to search RAID components */
1082 if (sdev->channel != 1)
1085 /* The id is the raid PhysDiskNum, even if
1086 * starget->id is the actual target address */
1087 if(vtarget->id != disk)
1090 starget_printk(KERN_INFO, vtarget->starget,
1091 "Integrated RAID requests DV of new device\n");
1092 mptspi_dv_device(hd, sdev);
1094 shost_printk(KERN_INFO, shost,
1095 "Integrated RAID detects new device %d\n", disk);
1096 scsi_scan_target(&hd->ioc->sh->shost_gendev, 1, disk, 0, 1);
1100 static void mpt_dv_raid(struct _MPT_SCSI_HOST *hd, int disk)
1102 struct work_queue_wrapper *wqw = kmalloc(sizeof(*wqw), GFP_ATOMIC);
1105 shost_printk(KERN_ERR, hd->ioc->sh,
1106 "Failed to act on RAID event for physical disk %d\n",
1110 INIT_WORK(&wqw->work, mpt_work_wrapper);
1114 schedule_work(&wqw->work);
1118 mptspi_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
1120 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
1121 struct _MPT_SCSI_HOST *hd = (struct _MPT_SCSI_HOST *)ioc->sh->hostdata;
1123 if (hd && event == MPI_EVENT_INTEGRATED_RAID) {
1125 = (le32_to_cpu(pEvReply->Data[0]) & 0x00FF0000) >> 16;
1127 if (reason == MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED) {
1128 int disk = (le32_to_cpu(pEvReply->Data[0]) & 0xFF000000) >> 24;
1129 mpt_dv_raid(hd, disk);
1132 return mptscsih_event_process(ioc, pEvReply);
1136 mptspi_deny_binding(struct scsi_target *starget)
1138 struct _MPT_SCSI_HOST *hd =
1139 (struct _MPT_SCSI_HOST *)dev_to_shost(starget->dev.parent)->hostdata;
1140 return ((mptspi_is_raid(hd, starget->id)) &&
1141 starget->channel == 0) ? 1 : 0;
1144 static struct spi_function_template mptspi_transport_functions = {
1145 .get_offset = mptspi_read_parameters,
1146 .set_offset = mptspi_write_offset,
1148 .get_period = mptspi_read_parameters,
1149 .set_period = mptspi_write_period,
1151 .get_width = mptspi_read_parameters,
1152 .set_width = mptspi_write_width,
1154 .get_iu = mptspi_read_parameters,
1155 .set_iu = mptspi_write_iu,
1157 .get_dt = mptspi_read_parameters,
1158 .set_dt = mptspi_write_dt,
1160 .get_qas = mptspi_read_parameters,
1161 .set_qas = mptspi_write_qas,
1163 .get_wr_flow = mptspi_read_parameters,
1164 .set_wr_flow = mptspi_write_wr_flow,
1166 .get_rd_strm = mptspi_read_parameters,
1167 .set_rd_strm = mptspi_write_rd_strm,
1169 .get_rti = mptspi_read_parameters,
1170 .set_rti = mptspi_write_rti,
1172 .get_pcomp_en = mptspi_read_parameters,
1173 .set_pcomp_en = mptspi_write_pcomp_en,
1175 .get_hold_mcs = mptspi_read_parameters,
1176 .set_hold_mcs = mptspi_write_hold_mcs,
1178 .deny_binding = mptspi_deny_binding,
1181 /****************************************************************************
1182 * Supported hardware
1185 static struct pci_device_id mptspi_pci_table[] = {
1186 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_53C1030,
1187 PCI_ANY_ID, PCI_ANY_ID },
1188 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_53C1035,
1189 PCI_ANY_ID, PCI_ANY_ID },
1190 {0} /* Terminating entry */
1192 MODULE_DEVICE_TABLE(pci, mptspi_pci_table);
1196 * renegotiate for a given target
1199 mptspi_dv_renegotiate_work(struct work_struct *work)
1201 struct work_queue_wrapper *wqw =
1202 container_of(work, struct work_queue_wrapper, work);
1203 struct _MPT_SCSI_HOST *hd = wqw->hd;
1204 struct scsi_device *sdev;
1208 shost_for_each_device(sdev, hd->ioc->sh)
1209 mptspi_dv_device(hd, sdev);
1213 mptspi_dv_renegotiate(struct _MPT_SCSI_HOST *hd)
1215 struct work_queue_wrapper *wqw = kmalloc(sizeof(*wqw), GFP_ATOMIC);
1220 INIT_WORK(&wqw->work, mptspi_dv_renegotiate_work);
1223 schedule_work(&wqw->work);
1227 * spi module reset handler
1230 mptspi_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
1232 struct _MPT_SCSI_HOST *hd = (struct _MPT_SCSI_HOST *)ioc->sh->hostdata;
1235 rc = mptscsih_ioc_reset(ioc, reset_phase);
1237 if (reset_phase == MPT_IOC_POST_RESET)
1238 mptspi_dv_renegotiate(hd);
1245 * spi module resume handler
1248 mptspi_resume(struct pci_dev *pdev)
1250 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1251 struct _MPT_SCSI_HOST *hd = (struct _MPT_SCSI_HOST *)ioc->sh->hostdata;
1254 rc = mptscsih_resume(pdev);
1255 mptspi_dv_renegotiate(hd);
1261 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1262 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1264 * mptspi_probe - Installs scsi devices per bus.
1265 * @pdev: Pointer to pci_dev structure
1267 * Returns 0 for success, non-zero for failure.
1271 mptspi_probe(struct pci_dev *pdev, const struct pci_device_id *id)
1273 struct Scsi_Host *sh;
1276 unsigned long flags;
1284 if ((r = mpt_attach(pdev,id)) != 0)
1287 ioc = pci_get_drvdata(pdev);
1288 ioc->DoneCtx = mptspiDoneCtx;
1289 ioc->TaskCtx = mptspiTaskCtx;
1290 ioc->InternalCtx = mptspiInternalCtx;
1292 /* Added sanity check on readiness of the MPT adapter.
1294 if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) {
1295 printk(MYIOC_s_WARN_FMT
1296 "Skipping because it's not operational!\n",
1299 goto out_mptspi_probe;
1303 printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n",
1306 goto out_mptspi_probe;
1309 /* Sanity check - ensure at least 1 port is INITIATOR capable
1312 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1313 if (ioc->pfacts[ii].ProtocolFlags &
1314 MPI_PORTFACTS_PROTOCOL_INITIATOR)
1319 printk(MYIOC_s_WARN_FMT
1320 "Skipping ioc=%p because SCSI Initiator mode is NOT enabled!\n",
1325 sh = scsi_host_alloc(&mptspi_driver_template, sizeof(MPT_SCSI_HOST));
1328 printk(MYIOC_s_WARN_FMT
1329 "Unable to register controller with SCSI subsystem\n",
1332 goto out_mptspi_probe;
1335 spin_lock_irqsave(&ioc->FreeQlock, flags);
1337 /* Attach the SCSI Host to the IOC structure
1345 /* set 16 byte cdb's */
1346 sh->max_cmd_len = 16;
1348 /* Yikes! This is important!
1349 * Otherwise, by default, linux
1350 * only scans target IDs 0-7!
1351 * pfactsN->MaxDevices unreliable
1352 * (not supported in early
1353 * versions of the FW).
1354 * max_id = 1 + actual max id,
1355 * max_lun = 1 + actual last lun,
1358 sh->max_id = ioc->devices_per_bus;
1360 sh->max_lun = MPT_LAST_LUN + 1;
1362 * If RAID Firmware Detected, setup virtual channel
1364 if (ioc->ir_firmware)
1365 sh->max_channel = 1;
1367 sh->max_channel = 0;
1368 sh->this_id = ioc->pfacts[0].PortSCSIID;
1372 sh->unique_id = ioc->id;
1374 /* Verify that we won't exceed the maximum
1375 * number of chain buffers
1376 * We can optimize: ZZ = req_sz/sizeof(SGE)
1378 * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ
1379 * + (req_sz - 64)/sizeof(SGE)
1380 * A slightly different algorithm is required for
1383 scale = ioc->req_sz/(sizeof(dma_addr_t) + sizeof(u32));
1384 if (sizeof(dma_addr_t) == sizeof(u64)) {
1385 numSGE = (scale - 1) *
1386 (ioc->facts.MaxChainDepth-1) + scale +
1387 (ioc->req_sz - 60) / (sizeof(dma_addr_t) +
1390 numSGE = 1 + (scale - 1) *
1391 (ioc->facts.MaxChainDepth-1) + scale +
1392 (ioc->req_sz - 64) / (sizeof(dma_addr_t) +
1396 if (numSGE < sh->sg_tablesize) {
1397 /* Reset this value */
1398 dprintk((MYIOC_s_INFO_FMT
1399 "Resetting sg_tablesize to %d from %d\n",
1400 ioc->name, numSGE, sh->sg_tablesize));
1401 sh->sg_tablesize = numSGE;
1404 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1406 hd = (MPT_SCSI_HOST *) sh->hostdata;
1409 /* SCSI needs scsi_cmnd lookup table!
1410 * (with size equal to req_depth*PtrSz!)
1412 hd->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC);
1413 if (!hd->ScsiLookup) {
1415 goto out_mptspi_probe;
1418 dprintk((MYIOC_s_INFO_FMT "ScsiLookup @ %p\n",
1419 ioc->name, hd->ScsiLookup));
1421 /* Clear the TM flags
1424 hd->tmState = TM_STATE_NONE;
1425 hd->resetPending = 0;
1426 hd->abortSCpnt = NULL;
1428 /* Clear the pointer used to store
1429 * single-threaded commands, i.e., those
1430 * issued during a bus scan, dv and
1431 * configuration pages.
1435 /* Initialize this SCSI Hosts' timers
1436 * To use, set the timer expires field
1439 init_timer(&hd->timer);
1440 hd->timer.data = (unsigned long) hd;
1441 hd->timer.function = mptscsih_timer_expired;
1443 ioc->spi_data.Saf_Te = mpt_saf_te;
1445 hd->negoNvram = MPT_SCSICFG_USE_NVRAM;
1446 ddvprintk((MYIOC_s_INFO_FMT
1450 ioc->spi_data.noQas = 0;
1452 init_waitqueue_head(&hd->scandv_waitq);
1453 hd->scandv_wait_done = 0;
1454 hd->last_queue_full = 0;
1456 /* Some versions of the firmware don't support page 0; without
1457 * that we can't get the parameters */
1458 if (hd->ioc->spi_data.sdp0length != 0)
1459 sh->transportt = mptspi_transport_template;
1461 error = scsi_add_host (sh, &ioc->pcidev->dev);
1463 dprintk((KERN_ERR MYNAM
1464 "scsi_add_host failed\n"));
1465 goto out_mptspi_probe;
1469 * issue internal bus reset
1471 if (ioc->spi_data.bus_reset)
1472 mptscsih_TMHandler(hd,
1473 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1481 mptscsih_remove(pdev);
1485 static struct pci_driver mptspi_driver = {
1487 .id_table = mptspi_pci_table,
1488 .probe = mptspi_probe,
1489 .remove = __devexit_p(mptscsih_remove),
1490 .shutdown = mptscsih_shutdown,
1492 .suspend = mptscsih_suspend,
1493 .resume = mptspi_resume,
1497 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1499 * mptspi_init - Register MPT adapter(s) as SCSI host(s) with SCSI mid-layer.
1501 * Returns 0 for success, non-zero for failure.
1506 show_mptmod_ver(my_NAME, my_VERSION);
1508 mptspi_transport_template = spi_attach_transport(&mptspi_transport_functions);
1509 if (!mptspi_transport_template)
1512 mptspiDoneCtx = mpt_register(mptscsih_io_done, MPTSPI_DRIVER);
1513 mptspiTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSPI_DRIVER);
1514 mptspiInternalCtx = mpt_register(mptscsih_scandv_complete, MPTSPI_DRIVER);
1516 if (mpt_event_register(mptspiDoneCtx, mptspi_event_process) == 0) {
1517 devtverboseprintk((KERN_INFO MYNAM
1518 ": Registered for IOC event notifications\n"));
1521 if (mpt_reset_register(mptspiDoneCtx, mptspi_ioc_reset) == 0) {
1522 dprintk((KERN_INFO MYNAM
1523 ": Registered for IOC reset notifications\n"));
1526 return pci_register_driver(&mptspi_driver);
1529 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1530 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1532 * mptspi_exit - Unregisters MPT adapter(s)
1537 pci_unregister_driver(&mptspi_driver);
1539 mpt_reset_deregister(mptspiDoneCtx);
1540 dprintk((KERN_INFO MYNAM
1541 ": Deregistered for IOC reset notifications\n"));
1543 mpt_event_deregister(mptspiDoneCtx);
1544 dprintk((KERN_INFO MYNAM
1545 ": Deregistered for IOC event notifications\n"));
1547 mpt_deregister(mptspiInternalCtx);
1548 mpt_deregister(mptspiTaskCtx);
1549 mpt_deregister(mptspiDoneCtx);
1550 spi_release_transport(mptspi_transport_template);
1553 module_init(mptspi_init);
1554 module_exit(mptspi_exit);