2 * linux/drivers/message/fusion/mptfc.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:DL-MPTFusionLinux@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 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
46 #include <linux/module.h>
47 #include <linux/kernel.h>
48 #include <linux/init.h>
49 #include <linux/errno.h>
50 #include <linux/kdev_t.h>
51 #include <linux/blkdev.h>
52 #include <linux/delay.h> /* for mdelay */
53 #include <linux/interrupt.h> /* needed for in_interrupt() proto */
54 #include <linux/reboot.h> /* notifier code */
55 #include <linux/workqueue.h>
56 #include <linux/sort.h>
58 #include <scsi/scsi.h>
59 #include <scsi/scsi_cmnd.h>
60 #include <scsi/scsi_device.h>
61 #include <scsi/scsi_host.h>
62 #include <scsi/scsi_tcq.h>
63 #include <scsi/scsi_transport_fc.h>
68 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
69 #define my_NAME "Fusion MPT FC Host driver"
70 #define my_VERSION MPT_LINUX_VERSION_COMMON
73 MODULE_AUTHOR(MODULEAUTHOR);
74 MODULE_DESCRIPTION(my_NAME);
75 MODULE_LICENSE("GPL");
76 MODULE_VERSION(my_VERSION);
78 /* Command line args */
79 #define MPTFC_DEV_LOSS_TMO (60)
80 static int mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO; /* reasonable default */
81 module_param(mptfc_dev_loss_tmo, int, 0);
82 MODULE_PARM_DESC(mptfc_dev_loss_tmo, " Initial time the driver programs the "
83 " transport to wait for an rport to "
84 " return following a device loss event."
87 /* scsi-mid layer global parmeter is max_report_luns, which is 511 */
88 #define MPTFC_MAX_LUN (16895)
89 static int max_lun = MPTFC_MAX_LUN;
90 module_param(max_lun, int, 0);
91 MODULE_PARM_DESC(max_lun, " max lun, default=16895 ");
93 static int mptfcDoneCtx = -1;
94 static int mptfcTaskCtx = -1;
95 static int mptfcInternalCtx = -1; /* Used only for internal commands */
97 static int mptfc_target_alloc(struct scsi_target *starget);
98 static int mptfc_slave_alloc(struct scsi_device *sdev);
99 static int mptfc_qcmd(struct scsi_cmnd *SCpnt,
100 void (*done)(struct scsi_cmnd *));
101 static void mptfc_target_destroy(struct scsi_target *starget);
102 static void mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout);
103 static void __devexit mptfc_remove(struct pci_dev *pdev);
104 static int mptfc_abort(struct scsi_cmnd *SCpnt);
105 static int mptfc_dev_reset(struct scsi_cmnd *SCpnt);
106 static int mptfc_bus_reset(struct scsi_cmnd *SCpnt);
107 static int mptfc_host_reset(struct scsi_cmnd *SCpnt);
109 static struct scsi_host_template mptfc_driver_template = {
110 .module = THIS_MODULE,
111 .proc_name = "mptfc",
112 .proc_info = mptscsih_proc_info,
113 .name = "MPT FC Host",
114 .info = mptscsih_info,
115 .queuecommand = mptfc_qcmd,
116 .target_alloc = mptfc_target_alloc,
117 .slave_alloc = mptfc_slave_alloc,
118 .slave_configure = mptscsih_slave_configure,
119 .target_destroy = mptfc_target_destroy,
120 .slave_destroy = mptscsih_slave_destroy,
121 .change_queue_depth = mptscsih_change_queue_depth,
122 .eh_abort_handler = mptfc_abort,
123 .eh_device_reset_handler = mptfc_dev_reset,
124 .eh_bus_reset_handler = mptfc_bus_reset,
125 .eh_host_reset_handler = mptfc_host_reset,
126 .bios_param = mptscsih_bios_param,
127 .can_queue = MPT_FC_CAN_QUEUE,
129 .sg_tablesize = MPT_SCSI_SG_DEPTH,
132 .use_clustering = ENABLE_CLUSTERING,
133 .shost_attrs = mptscsih_host_attrs,
136 /****************************************************************************
140 static struct pci_device_id mptfc_pci_table[] = {
141 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC909,
142 PCI_ANY_ID, PCI_ANY_ID },
143 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC919,
144 PCI_ANY_ID, PCI_ANY_ID },
145 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC929,
146 PCI_ANY_ID, PCI_ANY_ID },
147 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC919X,
148 PCI_ANY_ID, PCI_ANY_ID },
149 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC929X,
150 PCI_ANY_ID, PCI_ANY_ID },
151 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC939X,
152 PCI_ANY_ID, PCI_ANY_ID },
153 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC949X,
154 PCI_ANY_ID, PCI_ANY_ID },
155 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC949E,
156 PCI_ANY_ID, PCI_ANY_ID },
157 { PCI_VENDOR_ID_BROCADE, MPI_MANUFACTPAGE_DEVICEID_FC949E,
158 PCI_ANY_ID, PCI_ANY_ID },
159 {0} /* Terminating entry */
161 MODULE_DEVICE_TABLE(pci, mptfc_pci_table);
163 static struct scsi_transport_template *mptfc_transport_template = NULL;
165 static struct fc_function_template mptfc_transport_functions = {
166 .dd_fcrport_size = 8,
167 .show_host_node_name = 1,
168 .show_host_port_name = 1,
169 .show_host_supported_classes = 1,
170 .show_host_port_id = 1,
171 .show_rport_supported_classes = 1,
172 .show_starget_node_name = 1,
173 .show_starget_port_name = 1,
174 .show_starget_port_id = 1,
175 .set_rport_dev_loss_tmo = mptfc_set_rport_loss_tmo,
176 .show_rport_dev_loss_tmo = 1,
177 .show_host_supported_speeds = 1,
178 .show_host_maxframe_size = 1,
179 .show_host_speed = 1,
180 .show_host_fabric_name = 1,
181 .show_host_port_type = 1,
182 .show_host_port_state = 1,
183 .show_host_symbolic_name = 1,
187 mptfc_block_error_handler(struct scsi_cmnd *SCpnt,
188 int (*func)(struct scsi_cmnd *SCpnt),
191 struct scsi_device *sdev = SCpnt->device;
192 struct Scsi_Host *shost = sdev->host;
193 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
197 spin_lock_irqsave(shost->host_lock, flags);
198 while ((ready = fc_remote_port_chkready(rport) >> 16) == DID_IMM_RETRY) {
199 spin_unlock_irqrestore(shost->host_lock, flags);
200 dfcprintk ((MYIOC_s_INFO_FMT
201 "mptfc_block_error_handler.%d: %d:%d, port status is "
202 "DID_IMM_RETRY, deferring %s recovery.\n",
203 ((MPT_SCSI_HOST *) shost->hostdata)->ioc->name,
204 ((MPT_SCSI_HOST *) shost->hostdata)->ioc->sh->host_no,
205 SCpnt->device->id,SCpnt->device->lun,caller));
207 spin_lock_irqsave(shost->host_lock, flags);
209 spin_unlock_irqrestore(shost->host_lock, flags);
211 if (ready == DID_NO_CONNECT || !SCpnt->device->hostdata) {
212 dfcprintk ((MYIOC_s_INFO_FMT
213 "%s.%d: %d:%d, failing recovery, "
214 "port state %d, vdev %p.\n", caller,
215 ((MPT_SCSI_HOST *) shost->hostdata)->ioc->name,
216 ((MPT_SCSI_HOST *) shost->hostdata)->ioc->sh->host_no,
217 SCpnt->device->id,SCpnt->device->lun,ready,
218 SCpnt->device->hostdata));
221 dfcprintk ((MYIOC_s_INFO_FMT
222 "%s.%d: %d:%d, executing recovery.\n", caller,
223 ((MPT_SCSI_HOST *) shost->hostdata)->ioc->name,
224 ((MPT_SCSI_HOST *) shost->hostdata)->ioc->sh->host_no,
225 SCpnt->device->id,SCpnt->device->lun));
226 return (*func)(SCpnt);
230 mptfc_abort(struct scsi_cmnd *SCpnt)
233 mptfc_block_error_handler(SCpnt, mptscsih_abort, __FUNCTION__);
237 mptfc_dev_reset(struct scsi_cmnd *SCpnt)
240 mptfc_block_error_handler(SCpnt, mptscsih_dev_reset, __FUNCTION__);
244 mptfc_bus_reset(struct scsi_cmnd *SCpnt)
247 mptfc_block_error_handler(SCpnt, mptscsih_bus_reset, __FUNCTION__);
251 mptfc_host_reset(struct scsi_cmnd *SCpnt)
254 mptfc_block_error_handler(SCpnt, mptscsih_host_reset, __FUNCTION__);
258 mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
261 rport->dev_loss_tmo = timeout;
263 rport->dev_loss_tmo = mptfc_dev_loss_tmo;
267 mptfc_FcDevPage0_cmp_func(const void *a, const void *b)
269 FCDevicePage0_t **aa = (FCDevicePage0_t **)a;
270 FCDevicePage0_t **bb = (FCDevicePage0_t **)b;
272 if ((*aa)->CurrentBus == (*bb)->CurrentBus) {
273 if ((*aa)->CurrentTargetID == (*bb)->CurrentTargetID)
275 if ((*aa)->CurrentTargetID < (*bb)->CurrentTargetID)
279 if ((*aa)->CurrentBus < (*bb)->CurrentBus)
285 mptfc_GetFcDevPage0(MPT_ADAPTER *ioc, int ioc_port,
286 void(*func)(MPT_ADAPTER *ioc,int channel, FCDevicePage0_t *arg))
288 ConfigPageHeader_t hdr;
290 FCDevicePage0_t *ppage0_alloc, *fc;
291 dma_addr_t page0_dma;
295 FCDevicePage0_t *p0_array=NULL, *p_p0;
296 FCDevicePage0_t **pp0_array=NULL, **p_pp0;
299 U32 port_id = 0xffffff;
301 int max_bus = ioc->facts.MaxBuses;
304 max_targ = (ioc->facts.MaxDevices == 0) ? 256 : ioc->facts.MaxDevices;
306 data_sz = sizeof(FCDevicePage0_t) * max_bus * max_targ;
307 p_p0 = p0_array = kzalloc(data_sz, GFP_KERNEL);
311 data_sz = sizeof(FCDevicePage0_t *) * max_bus * max_targ;
312 p_pp0 = pp0_array = kzalloc(data_sz, GFP_KERNEL);
317 /* Get FC Device Page 0 header */
321 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_DEVICE;
322 cfg.cfghdr.hdr = &hdr;
324 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
326 cfg.pageAddr = port_id;
329 if ((rc = mpt_config(ioc, &cfg)) != 0)
332 if (hdr.PageLength <= 0)
335 data_sz = hdr.PageLength * 4;
336 ppage0_alloc = pci_alloc_consistent(ioc->pcidev, data_sz,
342 cfg.physAddr = page0_dma;
343 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
345 if ((rc = mpt_config(ioc, &cfg)) == 0) {
346 ppage0_alloc->PortIdentifier =
347 le32_to_cpu(ppage0_alloc->PortIdentifier);
349 ppage0_alloc->WWNN.Low =
350 le32_to_cpu(ppage0_alloc->WWNN.Low);
352 ppage0_alloc->WWNN.High =
353 le32_to_cpu(ppage0_alloc->WWNN.High);
355 ppage0_alloc->WWPN.Low =
356 le32_to_cpu(ppage0_alloc->WWPN.Low);
358 ppage0_alloc->WWPN.High =
359 le32_to_cpu(ppage0_alloc->WWPN.High);
361 ppage0_alloc->BBCredit =
362 le16_to_cpu(ppage0_alloc->BBCredit);
364 ppage0_alloc->MaxRxFrameSize =
365 le16_to_cpu(ppage0_alloc->MaxRxFrameSize);
367 port_id = ppage0_alloc->PortIdentifier;
369 *p_p0 = *ppage0_alloc; /* save data */
370 *p_pp0++ = p_p0++; /* save addr */
372 pci_free_consistent(ioc->pcidev, data_sz,
373 (u8 *) ppage0_alloc, page0_dma);
377 } while (port_id <= 0xff0000);
382 sort (pp0_array, num_targ, sizeof(FCDevicePage0_t *),
383 mptfc_FcDevPage0_cmp_func, NULL);
384 /* call caller's func for each targ */
385 for (ii = 0; ii < num_targ; ii++) {
386 fc = *(pp0_array+ii);
387 func(ioc, ioc_port, fc);
398 mptfc_generate_rport_ids(FCDevicePage0_t *pg0, struct fc_rport_identifiers *rid)
400 /* not currently usable */
401 if (pg0->Flags & (MPI_FC_DEVICE_PAGE0_FLAGS_PLOGI_INVALID |
402 MPI_FC_DEVICE_PAGE0_FLAGS_PRLI_INVALID))
405 if (!(pg0->Flags & MPI_FC_DEVICE_PAGE0_FLAGS_TARGETID_BUS_VALID))
408 if (!(pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_TARGET))
412 * board data structure already normalized to platform endianness
413 * shifted to avoid unaligned access on 64 bit architecture
415 rid->node_name = ((u64)pg0->WWNN.High) << 32 | (u64)pg0->WWNN.Low;
416 rid->port_name = ((u64)pg0->WWPN.High) << 32 | (u64)pg0->WWPN.Low;
417 rid->port_id = pg0->PortIdentifier;
418 rid->roles = FC_RPORT_ROLE_UNKNOWN;
424 mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0)
426 struct fc_rport_identifiers rport_ids;
427 struct fc_rport *rport;
428 struct mptfc_rport_info *ri;
432 u32 roles = FC_RPORT_ROLE_UNKNOWN;
434 if (mptfc_generate_rport_ids(pg0, &rport_ids) < 0)
437 roles |= FC_RPORT_ROLE_FCP_TARGET;
438 if (pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_INITIATOR)
439 roles |= FC_RPORT_ROLE_FCP_INITIATOR;
441 /* scan list looking for a match */
442 list_for_each_entry(ri, &ioc->fc_rports, list) {
443 pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
444 if (pn == rport_ids.port_name) { /* match */
445 list_move_tail(&ri->list, &ioc->fc_rports);
450 if (new_ri) { /* allocate one */
451 ri = kzalloc(sizeof(struct mptfc_rport_info), GFP_KERNEL);
454 list_add_tail(&ri->list, &ioc->fc_rports);
457 ri->pg0 = *pg0; /* add/update pg0 data */
458 ri->flags &= ~MPT_RPORT_INFO_FLAGS_MISSING;
460 /* MPT_RPORT_INFO_FLAGS_REGISTERED - rport not previously deleted */
461 if (!(ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED)) {
462 ri->flags |= MPT_RPORT_INFO_FLAGS_REGISTERED;
463 rport = fc_remote_port_add(ioc->sh, channel, &rport_ids);
466 if (new_ri) /* may have been reset by user */
467 rport->dev_loss_tmo = mptfc_dev_loss_tmo;
469 * if already mapped, remap here. If not mapped,
470 * target_alloc will allocate vtarget and map,
471 * slave_alloc will fill in vdev from vtarget.
474 vtarget = ri->starget->hostdata;
476 vtarget->id = pg0->CurrentTargetID;
477 vtarget->channel = pg0->CurrentBus;
480 *((struct mptfc_rport_info **)rport->dd_data) = ri;
481 /* scan will be scheduled once rport becomes a target */
482 fc_remote_port_rolechg(rport,roles);
484 pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
485 nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low;
486 dfcprintk ((MYIOC_s_INFO_FMT
487 "mptfc_reg_dev.%d: %x, %llx / %llx, tid %d, "
488 "rport tid %d, tmo %d\n",
492 (unsigned long long)nn,
493 (unsigned long long)pn,
494 pg0->CurrentTargetID,
495 ri->rport->scsi_target_id,
496 ri->rport->dev_loss_tmo));
506 * OS entry point to allow for host driver to free allocated memory
507 * Called if no device present or device being unloaded
510 mptfc_target_destroy(struct scsi_target *starget)
512 struct fc_rport *rport;
513 struct mptfc_rport_info *ri;
515 rport = starget_to_rport(starget);
517 ri = *((struct mptfc_rport_info **)rport->dd_data);
518 if (ri) /* better be! */
521 if (starget->hostdata)
522 kfree(starget->hostdata);
523 starget->hostdata = NULL;
527 * OS entry point to allow host driver to alloc memory
528 * for each scsi target. Called once per device the bus scan.
529 * Return non-zero if allocation fails.
532 mptfc_target_alloc(struct scsi_target *starget)
535 struct fc_rport *rport;
536 struct mptfc_rport_info *ri;
539 vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL);
542 starget->hostdata = vtarget;
545 rport = starget_to_rport(starget);
547 ri = *((struct mptfc_rport_info **)rport->dd_data);
548 if (ri) { /* better be! */
549 vtarget->id = ri->pg0.CurrentTargetID;
550 vtarget->channel = ri->pg0.CurrentBus;
551 ri->starget = starget;
557 starget->hostdata = NULL;
564 * OS entry point to allow host driver to alloc memory
565 * for each scsi device. Called once per device the bus scan.
566 * Return non-zero if allocation fails.
567 * Init memory once per LUN.
570 mptfc_slave_alloc(struct scsi_device *sdev)
575 struct scsi_target *starget;
576 struct fc_rport *rport;
579 starget = scsi_target(sdev);
580 rport = starget_to_rport(starget);
582 if (!rport || fc_remote_port_chkready(rport))
585 hd = (MPT_SCSI_HOST *)sdev->host->hostdata;
587 vdev = kzalloc(sizeof(VirtDevice), GFP_KERNEL);
589 printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n",
590 hd->ioc->name, sizeof(VirtDevice));
595 sdev->hostdata = vdev;
596 vtarget = starget->hostdata;
598 if (vtarget->num_luns == 0) {
599 vtarget->ioc_id = hd->ioc->id;
600 vtarget->tflags = MPT_TARGET_FLAGS_Q_YES;
603 vdev->vtarget = vtarget;
604 vdev->lun = sdev->lun;
612 struct mptfc_rport_info *ri;
613 ri = *((struct mptfc_rport_info **)rport->dd_data);
614 pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
615 nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low;
616 dfcprintk ((MYIOC_s_INFO_FMT
617 "mptfc_slv_alloc.%d: num_luns %d, sdev.id %d, "
618 "CurrentTargetID %d, %x %llx %llx\n",
622 sdev->id, ri->pg0.CurrentTargetID,
623 ri->pg0.PortIdentifier,
624 (unsigned long long)pn,
625 (unsigned long long)nn));
633 mptfc_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
635 struct mptfc_rport_info *ri;
636 struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device));
638 VirtDevice *vdev = SCpnt->device->hostdata;
640 if (!vdev || !vdev->vtarget) {
641 SCpnt->result = DID_NO_CONNECT << 16;
646 err = fc_remote_port_chkready(rport);
653 /* dd_data is null until finished adding target */
654 ri = *((struct mptfc_rport_info **)rport->dd_data);
656 dfcprintk ((MYIOC_s_INFO_FMT
657 "mptfc_qcmd.%d: %d:%d, dd_data is null.\n",
658 ((MPT_SCSI_HOST *) SCpnt->device->host->hostdata)->ioc->name,
659 ((MPT_SCSI_HOST *) SCpnt->device->host->hostdata)->ioc->sh->host_no,
660 SCpnt->device->id,SCpnt->device->lun));
661 SCpnt->result = DID_IMM_RETRY << 16;
666 err = mptscsih_qcmd(SCpnt,done);
669 dfcprintk ((MYIOC_s_INFO_FMT
670 "mptfc_qcmd.%d: %d:%d, mptscsih_qcmd returns non-zero, (%x).\n",
671 ((MPT_SCSI_HOST *) SCpnt->device->host->hostdata)->ioc->name,
672 ((MPT_SCSI_HOST *) SCpnt->device->host->hostdata)->ioc->sh->host_no,
673 SCpnt->device->id,SCpnt->device->lun,err));
680 * mptfc_GetFcPortPage0 - Fetch FCPort config Page0.
681 * @ioc: Pointer to MPT_ADAPTER structure
682 * @portnum: IOC Port number
684 * Return: 0 for success
685 * -ENOMEM if no memory available
686 * -EPERM if not allowed due to ISR context
687 * -EAGAIN if no msg frames currently available
688 * -EFAULT for non-successful reply or no reply (timeout)
689 * -EINVAL portnum arg out of range (hardwired to two elements)
692 mptfc_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
694 ConfigPageHeader_t hdr;
696 FCPortPage0_t *ppage0_alloc;
697 FCPortPage0_t *pp0dest;
698 dma_addr_t page0_dma;
707 /* Get FCPort Page 0 header */
711 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
712 cfg.cfghdr.hdr = &hdr;
714 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
716 cfg.pageAddr = portnum;
719 if ((rc = mpt_config(ioc, &cfg)) != 0)
722 if (hdr.PageLength == 0)
725 data_sz = hdr.PageLength * 4;
727 ppage0_alloc = (FCPortPage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page0_dma);
731 memset((u8 *)ppage0_alloc, 0, data_sz);
732 cfg.physAddr = page0_dma;
733 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
735 if ((rc = mpt_config(ioc, &cfg)) == 0) {
737 pp0dest = &ioc->fc_port_page0[portnum];
738 copy_sz = min_t(int, sizeof(FCPortPage0_t), data_sz);
739 memcpy(pp0dest, ppage0_alloc, copy_sz);
742 * Normalize endianness of structure data,
743 * by byte-swapping all > 1 byte fields!
745 pp0dest->Flags = le32_to_cpu(pp0dest->Flags);
746 pp0dest->PortIdentifier = le32_to_cpu(pp0dest->PortIdentifier);
747 pp0dest->WWNN.Low = le32_to_cpu(pp0dest->WWNN.Low);
748 pp0dest->WWNN.High = le32_to_cpu(pp0dest->WWNN.High);
749 pp0dest->WWPN.Low = le32_to_cpu(pp0dest->WWPN.Low);
750 pp0dest->WWPN.High = le32_to_cpu(pp0dest->WWPN.High);
751 pp0dest->SupportedServiceClass = le32_to_cpu(pp0dest->SupportedServiceClass);
752 pp0dest->SupportedSpeeds = le32_to_cpu(pp0dest->SupportedSpeeds);
753 pp0dest->CurrentSpeed = le32_to_cpu(pp0dest->CurrentSpeed);
754 pp0dest->MaxFrameSize = le32_to_cpu(pp0dest->MaxFrameSize);
755 pp0dest->FabricWWNN.Low = le32_to_cpu(pp0dest->FabricWWNN.Low);
756 pp0dest->FabricWWNN.High = le32_to_cpu(pp0dest->FabricWWNN.High);
757 pp0dest->FabricWWPN.Low = le32_to_cpu(pp0dest->FabricWWPN.Low);
758 pp0dest->FabricWWPN.High = le32_to_cpu(pp0dest->FabricWWPN.High);
759 pp0dest->DiscoveredPortsCount = le32_to_cpu(pp0dest->DiscoveredPortsCount);
760 pp0dest->MaxInitiators = le32_to_cpu(pp0dest->MaxInitiators);
763 * if still doing discovery,
764 * hang loose a while until finished
766 if ((pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_UNKNOWN) ||
767 (pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE &&
768 (pp0dest->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_TYPE_MASK)
769 == MPI_FCPORTPAGE0_FLAGS_ATTACH_NO_INIT)) {
774 printk(MYIOC_s_INFO_FMT "Firmware discovery not"
780 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage0_alloc, page0_dma);
787 mptfc_WriteFcPortPage1(MPT_ADAPTER *ioc, int portnum)
789 ConfigPageHeader_t hdr;
796 if (!(ioc->fc_data.fc_port_page1[portnum].data))
799 /* get fcport page 1 header */
803 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
804 cfg.cfghdr.hdr = &hdr;
806 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
808 cfg.pageAddr = portnum;
811 if ((rc = mpt_config(ioc, &cfg)) != 0)
814 if (hdr.PageLength == 0)
817 if (hdr.PageLength*4 != ioc->fc_data.fc_port_page1[portnum].pg_sz)
820 cfg.physAddr = ioc->fc_data.fc_port_page1[portnum].dma;
821 cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
824 rc = mpt_config(ioc, &cfg);
830 mptfc_GetFcPortPage1(MPT_ADAPTER *ioc, int portnum)
832 ConfigPageHeader_t hdr;
834 FCPortPage1_t *page1_alloc;
835 dma_addr_t page1_dma;
842 /* get fcport page 1 header */
846 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
847 cfg.cfghdr.hdr = &hdr;
849 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
851 cfg.pageAddr = portnum;
854 if ((rc = mpt_config(ioc, &cfg)) != 0)
857 if (hdr.PageLength == 0)
862 if (ioc->fc_data.fc_port_page1[portnum].data == NULL) {
863 data_sz = hdr.PageLength * 4;
864 if (data_sz < sizeof(FCPortPage1_t))
865 data_sz = sizeof(FCPortPage1_t);
867 page1_alloc = (FCPortPage1_t *) pci_alloc_consistent(ioc->pcidev,
874 page1_alloc = ioc->fc_data.fc_port_page1[portnum].data;
875 page1_dma = ioc->fc_data.fc_port_page1[portnum].dma;
876 data_sz = ioc->fc_data.fc_port_page1[portnum].pg_sz;
877 if (hdr.PageLength * 4 > data_sz) {
878 ioc->fc_data.fc_port_page1[portnum].data = NULL;
879 pci_free_consistent(ioc->pcidev, data_sz, (u8 *)
880 page1_alloc, page1_dma);
885 memset(page1_alloc,0,data_sz);
887 cfg.physAddr = page1_dma;
888 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
890 if ((rc = mpt_config(ioc, &cfg)) == 0) {
891 ioc->fc_data.fc_port_page1[portnum].data = page1_alloc;
892 ioc->fc_data.fc_port_page1[portnum].pg_sz = data_sz;
893 ioc->fc_data.fc_port_page1[portnum].dma = page1_dma;
896 ioc->fc_data.fc_port_page1[portnum].data = NULL;
897 pci_free_consistent(ioc->pcidev, data_sz, (u8 *)
898 page1_alloc, page1_dma);
905 mptfc_SetFcPortPage1_defaults(MPT_ADAPTER *ioc)
910 #define MPTFC_FW_DEVICE_TIMEOUT (1)
911 #define MPTFC_FW_IO_PEND_TIMEOUT (1)
912 #define ON_FLAGS (MPI_FCPORTPAGE1_FLAGS_IMMEDIATE_ERROR_REPLY)
913 #define OFF_FLAGS (MPI_FCPORTPAGE1_FLAGS_VERBOSE_RESCAN_EVENTS)
915 for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) {
916 if (mptfc_GetFcPortPage1(ioc, ii) != 0)
918 pp1 = ioc->fc_data.fc_port_page1[ii].data;
919 if ((pp1->InitiatorDeviceTimeout == MPTFC_FW_DEVICE_TIMEOUT)
920 && (pp1->InitiatorIoPendTimeout == MPTFC_FW_IO_PEND_TIMEOUT)
921 && ((pp1->Flags & ON_FLAGS) == ON_FLAGS)
922 && ((pp1->Flags & OFF_FLAGS) == 0))
924 pp1->InitiatorDeviceTimeout = MPTFC_FW_DEVICE_TIMEOUT;
925 pp1->InitiatorIoPendTimeout = MPTFC_FW_IO_PEND_TIMEOUT;
926 pp1->Flags &= ~OFF_FLAGS;
927 pp1->Flags |= ON_FLAGS;
928 mptfc_WriteFcPortPage1(ioc, ii);
934 mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum)
942 struct Scsi_Host *sh;
945 /* don't know what to do as only one scsi (fc) host was allocated */
949 pp0 = &ioc->fc_port_page0[portnum];
952 sn = fc_host_symbolic_name(sh);
953 snprintf(sn, FC_SYMBOLIC_NAME_SIZE, "%s %s%08xh",
955 MPT_FW_REV_MAGIC_ID_STRING,
956 ioc->facts.FWVersion.Word);
958 fc_host_tgtid_bind_type(sh) = FC_TGTID_BIND_BY_WWPN;
960 fc_host_maxframe_size(sh) = pp0->MaxFrameSize;
962 fc_host_node_name(sh) =
963 (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low;
965 fc_host_port_name(sh) =
966 (u64)pp0->WWPN.High << 32 | (u64)pp0->WWPN.Low;
968 fc_host_port_id(sh) = pp0->PortIdentifier;
970 class = pp0->SupportedServiceClass;
971 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_1)
972 cos |= FC_COS_CLASS1;
973 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_2)
974 cos |= FC_COS_CLASS2;
975 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_3)
976 cos |= FC_COS_CLASS3;
977 fc_host_supported_classes(sh) = cos;
979 if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT)
980 speed = FC_PORTSPEED_1GBIT;
981 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT)
982 speed = FC_PORTSPEED_2GBIT;
983 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT)
984 speed = FC_PORTSPEED_4GBIT;
985 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_10GBIT)
986 speed = FC_PORTSPEED_10GBIT;
988 speed = FC_PORTSPEED_UNKNOWN;
989 fc_host_speed(sh) = speed;
992 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_1GBIT_SPEED)
993 speed |= FC_PORTSPEED_1GBIT;
994 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_2GBIT_SPEED)
995 speed |= FC_PORTSPEED_2GBIT;
996 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_4GBIT_SPEED)
997 speed |= FC_PORTSPEED_4GBIT;
998 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_10GBIT_SPEED)
999 speed |= FC_PORTSPEED_10GBIT;
1000 fc_host_supported_speeds(sh) = speed;
1002 port_state = FC_PORTSTATE_UNKNOWN;
1003 if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE)
1004 port_state = FC_PORTSTATE_ONLINE;
1005 else if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_OFFLINE)
1006 port_state = FC_PORTSTATE_LINKDOWN;
1007 fc_host_port_state(sh) = port_state;
1009 port_type = FC_PORTTYPE_UNKNOWN;
1010 if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_POINT_TO_POINT)
1011 port_type = FC_PORTTYPE_PTP;
1012 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PRIVATE_LOOP)
1013 port_type = FC_PORTTYPE_LPORT;
1014 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PUBLIC_LOOP)
1015 port_type = FC_PORTTYPE_NLPORT;
1016 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_FABRIC_DIRECT)
1017 port_type = FC_PORTTYPE_NPORT;
1018 fc_host_port_type(sh) = port_type;
1020 fc_host_fabric_name(sh) =
1021 (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_FABRIC_WWN_VALID) ?
1022 (u64) pp0->FabricWWNN.High << 32 | (u64) pp0->FabricWWPN.Low :
1023 (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low;
1028 mptfc_setup_reset(struct work_struct *work)
1031 container_of(work, MPT_ADAPTER, fc_setup_reset_work);
1033 struct mptfc_rport_info *ri;
1035 /* reset about to happen, delete (block) all rports */
1036 list_for_each_entry(ri, &ioc->fc_rports, list) {
1037 if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) {
1038 ri->flags &= ~MPT_RPORT_INFO_FLAGS_REGISTERED;
1039 fc_remote_port_delete(ri->rport); /* won't sleep */
1042 pn = (u64)ri->pg0.WWPN.High << 32 |
1043 (u64)ri->pg0.WWPN.Low;
1044 dfcprintk ((MYIOC_s_INFO_FMT
1045 "mptfc_setup_reset.%d: %llx deleted\n",
1048 (unsigned long long)pn));
1054 mptfc_rescan_devices(struct work_struct *work)
1057 container_of(work, MPT_ADAPTER, fc_rescan_work);
1060 struct mptfc_rport_info *ri;
1062 /* start by tagging all ports as missing */
1063 list_for_each_entry(ri, &ioc->fc_rports, list) {
1064 if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) {
1065 ri->flags |= MPT_RPORT_INFO_FLAGS_MISSING;
1070 * now rescan devices known to adapter,
1071 * will reregister existing rports
1073 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1074 (void) mptfc_GetFcPortPage0(ioc, ii);
1075 mptfc_init_host_attr(ioc, ii); /* refresh */
1076 mptfc_GetFcDevPage0(ioc, ii, mptfc_register_dev);
1079 /* delete devices still missing */
1080 list_for_each_entry(ri, &ioc->fc_rports, list) {
1081 /* if newly missing, delete it */
1082 if (ri->flags & MPT_RPORT_INFO_FLAGS_MISSING) {
1084 ri->flags &= ~(MPT_RPORT_INFO_FLAGS_REGISTERED|
1085 MPT_RPORT_INFO_FLAGS_MISSING);
1086 fc_remote_port_delete(ri->rport); /* won't sleep */
1089 pn = (u64)ri->pg0.WWPN.High << 32 |
1090 (u64)ri->pg0.WWPN.Low;
1091 dfcprintk ((MYIOC_s_INFO_FMT
1092 "mptfc_rescan.%d: %llx deleted\n",
1095 (unsigned long long)pn));
1101 mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
1103 struct Scsi_Host *sh;
1106 unsigned long flags;
1114 if ((r = mpt_attach(pdev,id)) != 0)
1117 ioc = pci_get_drvdata(pdev);
1118 ioc->DoneCtx = mptfcDoneCtx;
1119 ioc->TaskCtx = mptfcTaskCtx;
1120 ioc->InternalCtx = mptfcInternalCtx;
1122 /* Added sanity check on readiness of the MPT adapter.
1124 if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) {
1125 printk(MYIOC_s_WARN_FMT
1126 "Skipping because it's not operational!\n",
1129 goto out_mptfc_probe;
1133 printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n",
1136 goto out_mptfc_probe;
1139 /* Sanity check - ensure at least 1 port is INITIATOR capable
1142 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1143 if (ioc->pfacts[ii].ProtocolFlags &
1144 MPI_PORTFACTS_PROTOCOL_INITIATOR)
1149 printk(MYIOC_s_WARN_FMT
1150 "Skipping ioc=%p because SCSI Initiator mode is NOT enabled!\n",
1155 sh = scsi_host_alloc(&mptfc_driver_template, sizeof(MPT_SCSI_HOST));
1158 printk(MYIOC_s_WARN_FMT
1159 "Unable to register controller with SCSI subsystem\n",
1162 goto out_mptfc_probe;
1165 spin_lock_init(&ioc->fc_rescan_work_lock);
1166 INIT_WORK(&ioc->fc_rescan_work, mptfc_rescan_devices);
1167 INIT_WORK(&ioc->fc_setup_reset_work, mptfc_setup_reset);
1169 spin_lock_irqsave(&ioc->FreeQlock, flags);
1171 /* Attach the SCSI Host to the IOC structure
1179 /* set 16 byte cdb's */
1180 sh->max_cmd_len = 16;
1182 sh->max_id = ioc->pfacts->MaxDevices;
1183 sh->max_lun = max_lun;
1185 sh->this_id = ioc->pfacts[0].PortSCSIID;
1189 sh->unique_id = ioc->id;
1191 /* Verify that we won't exceed the maximum
1192 * number of chain buffers
1193 * We can optimize: ZZ = req_sz/sizeof(SGE)
1195 * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ
1196 * + (req_sz - 64)/sizeof(SGE)
1197 * A slightly different algorithm is required for
1200 scale = ioc->req_sz/(sizeof(dma_addr_t) + sizeof(u32));
1201 if (sizeof(dma_addr_t) == sizeof(u64)) {
1202 numSGE = (scale - 1) *
1203 (ioc->facts.MaxChainDepth-1) + scale +
1204 (ioc->req_sz - 60) / (sizeof(dma_addr_t) +
1207 numSGE = 1 + (scale - 1) *
1208 (ioc->facts.MaxChainDepth-1) + scale +
1209 (ioc->req_sz - 64) / (sizeof(dma_addr_t) +
1213 if (numSGE < sh->sg_tablesize) {
1214 /* Reset this value */
1215 dprintk((MYIOC_s_INFO_FMT
1216 "Resetting sg_tablesize to %d from %d\n",
1217 ioc->name, numSGE, sh->sg_tablesize));
1218 sh->sg_tablesize = numSGE;
1221 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1223 hd = (MPT_SCSI_HOST *) sh->hostdata;
1226 /* SCSI needs scsi_cmnd lookup table!
1227 * (with size equal to req_depth*PtrSz!)
1229 hd->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC);
1230 if (!hd->ScsiLookup) {
1232 goto out_mptfc_probe;
1235 dprintk((MYIOC_s_INFO_FMT "ScsiLookup @ %p\n",
1236 ioc->name, hd->ScsiLookup));
1238 /* Clear the TM flags
1241 hd->tmState = TM_STATE_NONE;
1242 hd->resetPending = 0;
1243 hd->abortSCpnt = NULL;
1245 /* Clear the pointer used to store
1246 * single-threaded commands, i.e., those
1247 * issued during a bus scan, dv and
1248 * configuration pages.
1252 /* Initialize this SCSI Hosts' timers
1253 * To use, set the timer expires field
1256 init_timer(&hd->timer);
1257 hd->timer.data = (unsigned long) hd;
1258 hd->timer.function = mptscsih_timer_expired;
1260 init_waitqueue_head(&hd->scandv_waitq);
1261 hd->scandv_wait_done = 0;
1262 hd->last_queue_full = 0;
1264 sh->transportt = mptfc_transport_template;
1265 error = scsi_add_host (sh, &ioc->pcidev->dev);
1267 dprintk((KERN_ERR MYNAM
1268 "scsi_add_host failed\n"));
1269 goto out_mptfc_probe;
1272 /* initialize workqueue */
1274 snprintf(ioc->fc_rescan_work_q_name, KOBJ_NAME_LEN, "mptfc_wq_%d",
1276 ioc->fc_rescan_work_q =
1277 create_singlethread_workqueue(ioc->fc_rescan_work_q_name);
1278 if (!ioc->fc_rescan_work_q)
1279 goto out_mptfc_probe;
1282 * Pre-fetch FC port WWN and stuff...
1283 * (FCPortPage0_t stuff)
1285 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1286 (void) mptfc_GetFcPortPage0(ioc, ii);
1288 mptfc_SetFcPortPage1_defaults(ioc);
1292 * by doing it via the workqueue, some locking is eliminated
1295 queue_work(ioc->fc_rescan_work_q, &ioc->fc_rescan_work);
1296 flush_workqueue(ioc->fc_rescan_work_q);
1302 mptscsih_remove(pdev);
1306 static struct pci_driver mptfc_driver = {
1308 .id_table = mptfc_pci_table,
1309 .probe = mptfc_probe,
1310 .remove = __devexit_p(mptfc_remove),
1311 .shutdown = mptscsih_shutdown,
1313 .suspend = mptscsih_suspend,
1314 .resume = mptscsih_resume,
1319 mptfc_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
1322 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
1323 unsigned long flags;
1326 devtverboseprintk((MYIOC_s_INFO_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n",
1329 if (ioc->sh == NULL ||
1330 ((hd = (MPT_SCSI_HOST *)ioc->sh->hostdata) == NULL))
1334 case MPI_EVENT_RESCAN:
1335 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1336 if (ioc->fc_rescan_work_q) {
1337 queue_work(ioc->fc_rescan_work_q,
1338 &ioc->fc_rescan_work);
1340 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1343 rc = mptscsih_event_process(ioc,pEvReply);
1350 mptfc_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
1353 unsigned long flags;
1355 rc = mptscsih_ioc_reset(ioc,reset_phase);
1360 dtmprintk((KERN_WARNING MYNAM
1361 ": IOC %s_reset routed to FC host driver!\n",
1362 reset_phase==MPT_IOC_SETUP_RESET ? "setup" : (
1363 reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post")));
1365 if (reset_phase == MPT_IOC_SETUP_RESET) {
1366 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1367 if (ioc->fc_rescan_work_q) {
1368 queue_work(ioc->fc_rescan_work_q,
1369 &ioc->fc_setup_reset_work);
1371 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1374 else if (reset_phase == MPT_IOC_PRE_RESET) {
1377 else { /* MPT_IOC_POST_RESET */
1378 mptfc_SetFcPortPage1_defaults(ioc);
1379 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1380 if (ioc->fc_rescan_work_q) {
1381 queue_work(ioc->fc_rescan_work_q,
1382 &ioc->fc_rescan_work);
1384 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1389 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1391 * mptfc_init - Register MPT adapter(s) as SCSI host(s) with SCSI mid-layer.
1393 * Returns 0 for success, non-zero for failure.
1400 show_mptmod_ver(my_NAME, my_VERSION);
1402 /* sanity check module parameters */
1403 if (mptfc_dev_loss_tmo <= 0)
1404 mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO;
1406 mptfc_transport_template =
1407 fc_attach_transport(&mptfc_transport_functions);
1409 if (!mptfc_transport_template)
1412 mptfcDoneCtx = mpt_register(mptscsih_io_done, MPTFC_DRIVER);
1413 mptfcTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTFC_DRIVER);
1414 mptfcInternalCtx = mpt_register(mptscsih_scandv_complete, MPTFC_DRIVER);
1416 if (mpt_event_register(mptfcDoneCtx, mptfc_event_process) == 0) {
1417 devtverboseprintk((KERN_INFO MYNAM
1418 ": Registered for IOC event notifications\n"));
1421 if (mpt_reset_register(mptfcDoneCtx, mptfc_ioc_reset) == 0) {
1422 dprintk((KERN_INFO MYNAM
1423 ": Registered for IOC reset notifications\n"));
1426 error = pci_register_driver(&mptfc_driver);
1428 fc_release_transport(mptfc_transport_template);
1433 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1435 * mptfc_remove - Remove fc infrastructure for devices
1436 * @pdev: Pointer to pci_dev structure
1439 static void __devexit
1440 mptfc_remove(struct pci_dev *pdev)
1442 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1443 struct mptfc_rport_info *p, *n;
1444 struct workqueue_struct *work_q;
1445 unsigned long flags;
1448 /* destroy workqueue */
1449 if ((work_q=ioc->fc_rescan_work_q)) {
1450 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1451 ioc->fc_rescan_work_q = NULL;
1452 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1453 destroy_workqueue(work_q);
1456 fc_remove_host(ioc->sh);
1458 list_for_each_entry_safe(p, n, &ioc->fc_rports, list) {
1463 for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) {
1464 if (ioc->fc_data.fc_port_page1[ii].data) {
1465 pci_free_consistent(ioc->pcidev,
1466 ioc->fc_data.fc_port_page1[ii].pg_sz,
1467 (u8 *) ioc->fc_data.fc_port_page1[ii].data,
1468 ioc->fc_data.fc_port_page1[ii].dma);
1469 ioc->fc_data.fc_port_page1[ii].data = NULL;
1473 mptscsih_remove(pdev);
1476 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1477 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1479 * mptfc_exit - Unregisters MPT adapter(s)
1485 pci_unregister_driver(&mptfc_driver);
1486 fc_release_transport(mptfc_transport_template);
1488 mpt_reset_deregister(mptfcDoneCtx);
1489 dprintk((KERN_INFO MYNAM
1490 ": Deregistered for IOC reset notifications\n"));
1492 mpt_event_deregister(mptfcDoneCtx);
1493 dprintk((KERN_INFO MYNAM
1494 ": Deregistered for IOC event notifications\n"));
1496 mpt_deregister(mptfcInternalCtx);
1497 mpt_deregister(mptfcTaskCtx);
1498 mpt_deregister(mptfcDoneCtx);
1501 module_init(mptfc_init);
1502 module_exit(mptfc_exit);