2 * linux/drivers/message/fusion/mptfc.c
3 * For use with LSI PCI chip/adapter(s)
4 * running LSI Fusion MPT (Message Passing Technology) firmware.
6 * Copyright (c) 1999-2008 LSI 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 u8 mptfcDoneCtx = MPT_MAX_PROTOCOL_DRIVERS;
94 static u8 mptfcTaskCtx = MPT_MAX_PROTOCOL_DRIVERS;
95 static u8 mptfcInternalCtx = MPT_MAX_PROTOCOL_DRIVERS;
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),
192 struct scsi_device *sdev = SCpnt->device;
193 struct Scsi_Host *shost = sdev->host;
194 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
198 int loops = 40; /* seconds */
200 hd = shost_priv(SCpnt->device->host);
202 spin_lock_irqsave(shost->host_lock, flags);
203 while ((ready = fc_remote_port_chkready(rport) >> 16) == DID_IMM_RETRY
204 || (loops > 0 && ioc->active == 0)) {
205 spin_unlock_irqrestore(shost->host_lock, flags);
206 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
207 "mptfc_block_error_handler.%d: %d:%d, port status is "
208 "%x, active flag %d, deferring %s recovery.\n",
209 ioc->name, ioc->sh->host_no,
210 SCpnt->device->id, SCpnt->device->lun,
211 ready, ioc->active, caller));
213 spin_lock_irqsave(shost->host_lock, flags);
216 spin_unlock_irqrestore(shost->host_lock, flags);
218 if (ready == DID_NO_CONNECT || !SCpnt->device->hostdata
219 || ioc->active == 0) {
220 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
221 "%s.%d: %d:%d, failing recovery, "
222 "port state %x, active %d, vdevice %p.\n", caller,
223 ioc->name, ioc->sh->host_no,
224 SCpnt->device->id, SCpnt->device->lun, ready,
225 ioc->active, SCpnt->device->hostdata));
228 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
229 "%s.%d: %d:%d, executing recovery.\n", caller,
230 ioc->name, ioc->sh->host_no,
231 SCpnt->device->id, SCpnt->device->lun));
232 return (*func)(SCpnt);
236 mptfc_abort(struct scsi_cmnd *SCpnt)
239 mptfc_block_error_handler(SCpnt, mptscsih_abort, __func__);
243 mptfc_dev_reset(struct scsi_cmnd *SCpnt)
246 mptfc_block_error_handler(SCpnt, mptscsih_dev_reset, __func__);
250 mptfc_bus_reset(struct scsi_cmnd *SCpnt)
253 mptfc_block_error_handler(SCpnt, mptscsih_bus_reset, __func__);
257 mptfc_host_reset(struct scsi_cmnd *SCpnt)
260 mptfc_block_error_handler(SCpnt, mptscsih_host_reset, __func__);
264 mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
267 rport->dev_loss_tmo = timeout;
269 rport->dev_loss_tmo = mptfc_dev_loss_tmo;
273 mptfc_FcDevPage0_cmp_func(const void *a, const void *b)
275 FCDevicePage0_t **aa = (FCDevicePage0_t **)a;
276 FCDevicePage0_t **bb = (FCDevicePage0_t **)b;
278 if ((*aa)->CurrentBus == (*bb)->CurrentBus) {
279 if ((*aa)->CurrentTargetID == (*bb)->CurrentTargetID)
281 if ((*aa)->CurrentTargetID < (*bb)->CurrentTargetID)
285 if ((*aa)->CurrentBus < (*bb)->CurrentBus)
291 mptfc_GetFcDevPage0(MPT_ADAPTER *ioc, int ioc_port,
292 void(*func)(MPT_ADAPTER *ioc,int channel, FCDevicePage0_t *arg))
294 ConfigPageHeader_t hdr;
296 FCDevicePage0_t *ppage0_alloc, *fc;
297 dma_addr_t page0_dma;
301 FCDevicePage0_t *p0_array=NULL, *p_p0;
302 FCDevicePage0_t **pp0_array=NULL, **p_pp0;
305 U32 port_id = 0xffffff;
307 int max_bus = ioc->facts.MaxBuses;
310 max_targ = (ioc->facts.MaxDevices == 0) ? 256 : ioc->facts.MaxDevices;
312 data_sz = sizeof(FCDevicePage0_t) * max_bus * max_targ;
313 p_p0 = p0_array = kzalloc(data_sz, GFP_KERNEL);
317 data_sz = sizeof(FCDevicePage0_t *) * max_bus * max_targ;
318 p_pp0 = pp0_array = kzalloc(data_sz, GFP_KERNEL);
323 /* Get FC Device Page 0 header */
327 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_DEVICE;
328 cfg.cfghdr.hdr = &hdr;
330 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
332 cfg.pageAddr = port_id;
335 if ((rc = mpt_config(ioc, &cfg)) != 0)
338 if (hdr.PageLength <= 0)
341 data_sz = hdr.PageLength * 4;
342 ppage0_alloc = pci_alloc_consistent(ioc->pcidev, data_sz,
348 cfg.physAddr = page0_dma;
349 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
351 if ((rc = mpt_config(ioc, &cfg)) == 0) {
352 ppage0_alloc->PortIdentifier =
353 le32_to_cpu(ppage0_alloc->PortIdentifier);
355 ppage0_alloc->WWNN.Low =
356 le32_to_cpu(ppage0_alloc->WWNN.Low);
358 ppage0_alloc->WWNN.High =
359 le32_to_cpu(ppage0_alloc->WWNN.High);
361 ppage0_alloc->WWPN.Low =
362 le32_to_cpu(ppage0_alloc->WWPN.Low);
364 ppage0_alloc->WWPN.High =
365 le32_to_cpu(ppage0_alloc->WWPN.High);
367 ppage0_alloc->BBCredit =
368 le16_to_cpu(ppage0_alloc->BBCredit);
370 ppage0_alloc->MaxRxFrameSize =
371 le16_to_cpu(ppage0_alloc->MaxRxFrameSize);
373 port_id = ppage0_alloc->PortIdentifier;
375 *p_p0 = *ppage0_alloc; /* save data */
376 *p_pp0++ = p_p0++; /* save addr */
378 pci_free_consistent(ioc->pcidev, data_sz,
379 (u8 *) ppage0_alloc, page0_dma);
383 } while (port_id <= 0xff0000);
388 sort (pp0_array, num_targ, sizeof(FCDevicePage0_t *),
389 mptfc_FcDevPage0_cmp_func, NULL);
390 /* call caller's func for each targ */
391 for (ii = 0; ii < num_targ; ii++) {
392 fc = *(pp0_array+ii);
393 func(ioc, ioc_port, fc);
404 mptfc_generate_rport_ids(FCDevicePage0_t *pg0, struct fc_rport_identifiers *rid)
406 /* not currently usable */
407 if (pg0->Flags & (MPI_FC_DEVICE_PAGE0_FLAGS_PLOGI_INVALID |
408 MPI_FC_DEVICE_PAGE0_FLAGS_PRLI_INVALID))
411 if (!(pg0->Flags & MPI_FC_DEVICE_PAGE0_FLAGS_TARGETID_BUS_VALID))
414 if (!(pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_TARGET))
418 * board data structure already normalized to platform endianness
419 * shifted to avoid unaligned access on 64 bit architecture
421 rid->node_name = ((u64)pg0->WWNN.High) << 32 | (u64)pg0->WWNN.Low;
422 rid->port_name = ((u64)pg0->WWPN.High) << 32 | (u64)pg0->WWPN.Low;
423 rid->port_id = pg0->PortIdentifier;
424 rid->roles = FC_RPORT_ROLE_UNKNOWN;
430 mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0)
432 struct fc_rport_identifiers rport_ids;
433 struct fc_rport *rport;
434 struct mptfc_rport_info *ri;
438 u32 roles = FC_RPORT_ROLE_UNKNOWN;
440 if (mptfc_generate_rport_ids(pg0, &rport_ids) < 0)
443 roles |= FC_RPORT_ROLE_FCP_TARGET;
444 if (pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_INITIATOR)
445 roles |= FC_RPORT_ROLE_FCP_INITIATOR;
447 /* scan list looking for a match */
448 list_for_each_entry(ri, &ioc->fc_rports, list) {
449 pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
450 if (pn == rport_ids.port_name) { /* match */
451 list_move_tail(&ri->list, &ioc->fc_rports);
456 if (new_ri) { /* allocate one */
457 ri = kzalloc(sizeof(struct mptfc_rport_info), GFP_KERNEL);
460 list_add_tail(&ri->list, &ioc->fc_rports);
463 ri->pg0 = *pg0; /* add/update pg0 data */
464 ri->flags &= ~MPT_RPORT_INFO_FLAGS_MISSING;
466 /* MPT_RPORT_INFO_FLAGS_REGISTERED - rport not previously deleted */
467 if (!(ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED)) {
468 ri->flags |= MPT_RPORT_INFO_FLAGS_REGISTERED;
469 rport = fc_remote_port_add(ioc->sh, channel, &rport_ids);
472 if (new_ri) /* may have been reset by user */
473 rport->dev_loss_tmo = mptfc_dev_loss_tmo;
475 * if already mapped, remap here. If not mapped,
476 * target_alloc will allocate vtarget and map,
477 * slave_alloc will fill in vdevice from vtarget.
480 vtarget = ri->starget->hostdata;
482 vtarget->id = pg0->CurrentTargetID;
483 vtarget->channel = pg0->CurrentBus;
486 *((struct mptfc_rport_info **)rport->dd_data) = ri;
487 /* scan will be scheduled once rport becomes a target */
488 fc_remote_port_rolechg(rport,roles);
490 pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
491 nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low;
492 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
493 "mptfc_reg_dev.%d: %x, %llx / %llx, tid %d, "
494 "rport tid %d, tmo %d\n",
498 (unsigned long long)nn,
499 (unsigned long long)pn,
500 pg0->CurrentTargetID,
501 ri->rport->scsi_target_id,
502 ri->rport->dev_loss_tmo));
512 * OS entry point to allow for host driver to free allocated memory
513 * Called if no device present or device being unloaded
516 mptfc_target_destroy(struct scsi_target *starget)
518 struct fc_rport *rport;
519 struct mptfc_rport_info *ri;
521 rport = starget_to_rport(starget);
523 ri = *((struct mptfc_rport_info **)rport->dd_data);
524 if (ri) /* better be! */
527 if (starget->hostdata)
528 kfree(starget->hostdata);
529 starget->hostdata = NULL;
533 * OS entry point to allow host driver to alloc memory
534 * for each scsi target. Called once per device the bus scan.
535 * Return non-zero if allocation fails.
538 mptfc_target_alloc(struct scsi_target *starget)
541 struct fc_rport *rport;
542 struct mptfc_rport_info *ri;
545 vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL);
548 starget->hostdata = vtarget;
551 rport = starget_to_rport(starget);
553 ri = *((struct mptfc_rport_info **)rport->dd_data);
554 if (ri) { /* better be! */
555 vtarget->id = ri->pg0.CurrentTargetID;
556 vtarget->channel = ri->pg0.CurrentBus;
557 ri->starget = starget;
563 starget->hostdata = NULL;
569 * mptfc_dump_lun_info
576 mptfc_dump_lun_info(MPT_ADAPTER *ioc, struct fc_rport *rport, struct scsi_device *sdev,
580 struct mptfc_rport_info *ri;
582 ri = *((struct mptfc_rport_info **)rport->dd_data);
583 pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
584 nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low;
585 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
586 "mptfc_slv_alloc.%d: num_luns %d, sdev.id %d, "
587 "CurrentTargetID %d, %x %llx %llx\n",
591 sdev->id, ri->pg0.CurrentTargetID,
592 ri->pg0.PortIdentifier,
593 (unsigned long long)pn,
594 (unsigned long long)nn));
599 * OS entry point to allow host driver to alloc memory
600 * for each scsi device. Called once per device the bus scan.
601 * Return non-zero if allocation fails.
602 * Init memory once per LUN.
605 mptfc_slave_alloc(struct scsi_device *sdev)
610 struct scsi_target *starget;
611 struct fc_rport *rport;
614 starget = scsi_target(sdev);
615 rport = starget_to_rport(starget);
617 if (!rport || fc_remote_port_chkready(rport))
620 hd = shost_priv(sdev->host);
623 vdevice = kzalloc(sizeof(VirtDevice), GFP_KERNEL);
625 printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n",
626 ioc->name, sizeof(VirtDevice));
631 sdev->hostdata = vdevice;
632 vtarget = starget->hostdata;
634 if (vtarget->num_luns == 0) {
635 vtarget->ioc_id = ioc->id;
636 vtarget->tflags = MPT_TARGET_FLAGS_Q_YES;
639 vdevice->vtarget = vtarget;
640 vdevice->lun = sdev->lun;
645 mptfc_dump_lun_info(ioc, rport, sdev, vtarget);
651 mptfc_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
653 struct mptfc_rport_info *ri;
654 struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device));
656 VirtDevice *vdevice = SCpnt->device->hostdata;
658 if (!vdevice || !vdevice->vtarget) {
659 SCpnt->result = DID_NO_CONNECT << 16;
664 err = fc_remote_port_chkready(rport);
671 /* dd_data is null until finished adding target */
672 ri = *((struct mptfc_rport_info **)rport->dd_data);
674 SCpnt->result = DID_IMM_RETRY << 16;
679 return mptscsih_qcmd(SCpnt,done);
683 * mptfc_display_port_link_speed - displaying link speed
684 * @ioc: Pointer to MPT_ADAPTER structure
685 * @portnum: IOC Port number
686 * @pp0dest: port page0 data payload
690 mptfc_display_port_link_speed(MPT_ADAPTER *ioc, int portnum, FCPortPage0_t *pp0dest)
692 u8 old_speed, new_speed, state;
698 old_speed = ioc->fc_link_speed[portnum];
699 new_speed = pp0dest->CurrentSpeed;
700 state = pp0dest->PortState;
702 if (state != MPI_FCPORTPAGE0_PORTSTATE_OFFLINE &&
703 new_speed != MPI_FCPORTPAGE0_CURRENT_SPEED_UKNOWN) {
705 old = old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT ? "1 Gbps" :
706 old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT ? "2 Gbps" :
707 old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT ? "4 Gbps" :
709 new = new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT ? "1 Gbps" :
710 new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT ? "2 Gbps" :
711 new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT ? "4 Gbps" :
714 printk(MYIOC_s_NOTE_FMT
715 "FC Link Established, Speed = %s\n",
717 else if (old_speed != new_speed)
718 printk(MYIOC_s_WARN_FMT
719 "FC Link Speed Change, Old Speed = %s, New Speed = %s\n",
720 ioc->name, old, new);
722 ioc->fc_link_speed[portnum] = new_speed;
727 * mptfc_GetFcPortPage0 - Fetch FCPort config Page0.
728 * @ioc: Pointer to MPT_ADAPTER structure
729 * @portnum: IOC Port number
731 * Return: 0 for success
732 * -ENOMEM if no memory available
733 * -EPERM if not allowed due to ISR context
734 * -EAGAIN if no msg frames currently available
735 * -EFAULT for non-successful reply or no reply (timeout)
736 * -EINVAL portnum arg out of range (hardwired to two elements)
739 mptfc_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
741 ConfigPageHeader_t hdr;
743 FCPortPage0_t *ppage0_alloc;
744 FCPortPage0_t *pp0dest;
745 dma_addr_t page0_dma;
754 /* Get FCPort Page 0 header */
758 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
759 cfg.cfghdr.hdr = &hdr;
761 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
763 cfg.pageAddr = portnum;
766 if ((rc = mpt_config(ioc, &cfg)) != 0)
769 if (hdr.PageLength == 0)
772 data_sz = hdr.PageLength * 4;
774 ppage0_alloc = (FCPortPage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page0_dma);
778 memset((u8 *)ppage0_alloc, 0, data_sz);
779 cfg.physAddr = page0_dma;
780 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
782 if ((rc = mpt_config(ioc, &cfg)) == 0) {
784 pp0dest = &ioc->fc_port_page0[portnum];
785 copy_sz = min_t(int, sizeof(FCPortPage0_t), data_sz);
786 memcpy(pp0dest, ppage0_alloc, copy_sz);
789 * Normalize endianness of structure data,
790 * by byte-swapping all > 1 byte fields!
792 pp0dest->Flags = le32_to_cpu(pp0dest->Flags);
793 pp0dest->PortIdentifier = le32_to_cpu(pp0dest->PortIdentifier);
794 pp0dest->WWNN.Low = le32_to_cpu(pp0dest->WWNN.Low);
795 pp0dest->WWNN.High = le32_to_cpu(pp0dest->WWNN.High);
796 pp0dest->WWPN.Low = le32_to_cpu(pp0dest->WWPN.Low);
797 pp0dest->WWPN.High = le32_to_cpu(pp0dest->WWPN.High);
798 pp0dest->SupportedServiceClass = le32_to_cpu(pp0dest->SupportedServiceClass);
799 pp0dest->SupportedSpeeds = le32_to_cpu(pp0dest->SupportedSpeeds);
800 pp0dest->CurrentSpeed = le32_to_cpu(pp0dest->CurrentSpeed);
801 pp0dest->MaxFrameSize = le32_to_cpu(pp0dest->MaxFrameSize);
802 pp0dest->FabricWWNN.Low = le32_to_cpu(pp0dest->FabricWWNN.Low);
803 pp0dest->FabricWWNN.High = le32_to_cpu(pp0dest->FabricWWNN.High);
804 pp0dest->FabricWWPN.Low = le32_to_cpu(pp0dest->FabricWWPN.Low);
805 pp0dest->FabricWWPN.High = le32_to_cpu(pp0dest->FabricWWPN.High);
806 pp0dest->DiscoveredPortsCount = le32_to_cpu(pp0dest->DiscoveredPortsCount);
807 pp0dest->MaxInitiators = le32_to_cpu(pp0dest->MaxInitiators);
810 * if still doing discovery,
811 * hang loose a while until finished
813 if ((pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_UNKNOWN) ||
814 (pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE &&
815 (pp0dest->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_TYPE_MASK)
816 == MPI_FCPORTPAGE0_FLAGS_ATTACH_NO_INIT)) {
821 printk(MYIOC_s_INFO_FMT "Firmware discovery not"
825 mptfc_display_port_link_speed(ioc, portnum, pp0dest);
828 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage0_alloc, page0_dma);
835 mptfc_WriteFcPortPage1(MPT_ADAPTER *ioc, int portnum)
837 ConfigPageHeader_t hdr;
844 if (!(ioc->fc_data.fc_port_page1[portnum].data))
847 /* get fcport page 1 header */
851 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
852 cfg.cfghdr.hdr = &hdr;
854 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
856 cfg.pageAddr = portnum;
859 if ((rc = mpt_config(ioc, &cfg)) != 0)
862 if (hdr.PageLength == 0)
865 if (hdr.PageLength*4 != ioc->fc_data.fc_port_page1[portnum].pg_sz)
868 cfg.physAddr = ioc->fc_data.fc_port_page1[portnum].dma;
869 cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
872 rc = mpt_config(ioc, &cfg);
878 mptfc_GetFcPortPage1(MPT_ADAPTER *ioc, int portnum)
880 ConfigPageHeader_t hdr;
882 FCPortPage1_t *page1_alloc;
883 dma_addr_t page1_dma;
890 /* get fcport page 1 header */
894 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
895 cfg.cfghdr.hdr = &hdr;
897 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
899 cfg.pageAddr = portnum;
902 if ((rc = mpt_config(ioc, &cfg)) != 0)
905 if (hdr.PageLength == 0)
910 if (ioc->fc_data.fc_port_page1[portnum].data == NULL) {
911 data_sz = hdr.PageLength * 4;
912 if (data_sz < sizeof(FCPortPage1_t))
913 data_sz = sizeof(FCPortPage1_t);
915 page1_alloc = (FCPortPage1_t *) pci_alloc_consistent(ioc->pcidev,
922 page1_alloc = ioc->fc_data.fc_port_page1[portnum].data;
923 page1_dma = ioc->fc_data.fc_port_page1[portnum].dma;
924 data_sz = ioc->fc_data.fc_port_page1[portnum].pg_sz;
925 if (hdr.PageLength * 4 > data_sz) {
926 ioc->fc_data.fc_port_page1[portnum].data = NULL;
927 pci_free_consistent(ioc->pcidev, data_sz, (u8 *)
928 page1_alloc, page1_dma);
933 memset(page1_alloc,0,data_sz);
935 cfg.physAddr = page1_dma;
936 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
938 if ((rc = mpt_config(ioc, &cfg)) == 0) {
939 ioc->fc_data.fc_port_page1[portnum].data = page1_alloc;
940 ioc->fc_data.fc_port_page1[portnum].pg_sz = data_sz;
941 ioc->fc_data.fc_port_page1[portnum].dma = page1_dma;
944 ioc->fc_data.fc_port_page1[portnum].data = NULL;
945 pci_free_consistent(ioc->pcidev, data_sz, (u8 *)
946 page1_alloc, page1_dma);
953 mptfc_SetFcPortPage1_defaults(MPT_ADAPTER *ioc)
958 #define MPTFC_FW_DEVICE_TIMEOUT (1)
959 #define MPTFC_FW_IO_PEND_TIMEOUT (1)
960 #define ON_FLAGS (MPI_FCPORTPAGE1_FLAGS_IMMEDIATE_ERROR_REPLY)
961 #define OFF_FLAGS (MPI_FCPORTPAGE1_FLAGS_VERBOSE_RESCAN_EVENTS)
963 for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) {
964 if (mptfc_GetFcPortPage1(ioc, ii) != 0)
966 pp1 = ioc->fc_data.fc_port_page1[ii].data;
967 if ((pp1->InitiatorDeviceTimeout == MPTFC_FW_DEVICE_TIMEOUT)
968 && (pp1->InitiatorIoPendTimeout == MPTFC_FW_IO_PEND_TIMEOUT)
969 && ((pp1->Flags & ON_FLAGS) == ON_FLAGS)
970 && ((pp1->Flags & OFF_FLAGS) == 0))
972 pp1->InitiatorDeviceTimeout = MPTFC_FW_DEVICE_TIMEOUT;
973 pp1->InitiatorIoPendTimeout = MPTFC_FW_IO_PEND_TIMEOUT;
974 pp1->Flags &= ~OFF_FLAGS;
975 pp1->Flags |= ON_FLAGS;
976 mptfc_WriteFcPortPage1(ioc, ii);
982 mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum)
990 struct Scsi_Host *sh;
993 /* don't know what to do as only one scsi (fc) host was allocated */
997 pp0 = &ioc->fc_port_page0[portnum];
1000 sn = fc_host_symbolic_name(sh);
1001 snprintf(sn, FC_SYMBOLIC_NAME_SIZE, "%s %s%08xh",
1003 MPT_FW_REV_MAGIC_ID_STRING,
1004 ioc->facts.FWVersion.Word);
1006 fc_host_tgtid_bind_type(sh) = FC_TGTID_BIND_BY_WWPN;
1008 fc_host_maxframe_size(sh) = pp0->MaxFrameSize;
1010 fc_host_node_name(sh) =
1011 (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low;
1013 fc_host_port_name(sh) =
1014 (u64)pp0->WWPN.High << 32 | (u64)pp0->WWPN.Low;
1016 fc_host_port_id(sh) = pp0->PortIdentifier;
1018 class = pp0->SupportedServiceClass;
1019 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_1)
1020 cos |= FC_COS_CLASS1;
1021 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_2)
1022 cos |= FC_COS_CLASS2;
1023 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_3)
1024 cos |= FC_COS_CLASS3;
1025 fc_host_supported_classes(sh) = cos;
1027 if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT)
1028 speed = FC_PORTSPEED_1GBIT;
1029 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT)
1030 speed = FC_PORTSPEED_2GBIT;
1031 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT)
1032 speed = FC_PORTSPEED_4GBIT;
1033 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_10GBIT)
1034 speed = FC_PORTSPEED_10GBIT;
1036 speed = FC_PORTSPEED_UNKNOWN;
1037 fc_host_speed(sh) = speed;
1040 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_1GBIT_SPEED)
1041 speed |= FC_PORTSPEED_1GBIT;
1042 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_2GBIT_SPEED)
1043 speed |= FC_PORTSPEED_2GBIT;
1044 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_4GBIT_SPEED)
1045 speed |= FC_PORTSPEED_4GBIT;
1046 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_10GBIT_SPEED)
1047 speed |= FC_PORTSPEED_10GBIT;
1048 fc_host_supported_speeds(sh) = speed;
1050 port_state = FC_PORTSTATE_UNKNOWN;
1051 if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE)
1052 port_state = FC_PORTSTATE_ONLINE;
1053 else if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_OFFLINE)
1054 port_state = FC_PORTSTATE_LINKDOWN;
1055 fc_host_port_state(sh) = port_state;
1057 port_type = FC_PORTTYPE_UNKNOWN;
1058 if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_POINT_TO_POINT)
1059 port_type = FC_PORTTYPE_PTP;
1060 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PRIVATE_LOOP)
1061 port_type = FC_PORTTYPE_LPORT;
1062 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PUBLIC_LOOP)
1063 port_type = FC_PORTTYPE_NLPORT;
1064 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_FABRIC_DIRECT)
1065 port_type = FC_PORTTYPE_NPORT;
1066 fc_host_port_type(sh) = port_type;
1068 fc_host_fabric_name(sh) =
1069 (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_FABRIC_WWN_VALID) ?
1070 (u64) pp0->FabricWWNN.High << 32 | (u64) pp0->FabricWWPN.Low :
1071 (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low;
1076 mptfc_link_status_change(struct work_struct *work)
1079 container_of(work, MPT_ADAPTER, fc_rescan_work);
1082 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++)
1083 (void) mptfc_GetFcPortPage0(ioc, ii);
1088 mptfc_setup_reset(struct work_struct *work)
1091 container_of(work, MPT_ADAPTER, fc_setup_reset_work);
1093 struct mptfc_rport_info *ri;
1095 /* reset about to happen, delete (block) all rports */
1096 list_for_each_entry(ri, &ioc->fc_rports, list) {
1097 if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) {
1098 ri->flags &= ~MPT_RPORT_INFO_FLAGS_REGISTERED;
1099 fc_remote_port_delete(ri->rport); /* won't sleep */
1102 pn = (u64)ri->pg0.WWPN.High << 32 |
1103 (u64)ri->pg0.WWPN.Low;
1104 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
1105 "mptfc_setup_reset.%d: %llx deleted\n",
1108 (unsigned long long)pn));
1114 mptfc_rescan_devices(struct work_struct *work)
1117 container_of(work, MPT_ADAPTER, fc_rescan_work);
1120 struct mptfc_rport_info *ri;
1122 /* start by tagging all ports as missing */
1123 list_for_each_entry(ri, &ioc->fc_rports, list) {
1124 if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) {
1125 ri->flags |= MPT_RPORT_INFO_FLAGS_MISSING;
1130 * now rescan devices known to adapter,
1131 * will reregister existing rports
1133 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1134 (void) mptfc_GetFcPortPage0(ioc, ii);
1135 mptfc_init_host_attr(ioc, ii); /* refresh */
1136 mptfc_GetFcDevPage0(ioc, ii, mptfc_register_dev);
1139 /* delete devices still missing */
1140 list_for_each_entry(ri, &ioc->fc_rports, list) {
1141 /* if newly missing, delete it */
1142 if (ri->flags & MPT_RPORT_INFO_FLAGS_MISSING) {
1144 ri->flags &= ~(MPT_RPORT_INFO_FLAGS_REGISTERED|
1145 MPT_RPORT_INFO_FLAGS_MISSING);
1146 fc_remote_port_delete(ri->rport); /* won't sleep */
1149 pn = (u64)ri->pg0.WWPN.High << 32 |
1150 (u64)ri->pg0.WWPN.Low;
1151 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
1152 "mptfc_rescan.%d: %llx deleted\n",
1155 (unsigned long long)pn));
1161 mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
1163 struct Scsi_Host *sh;
1166 unsigned long flags;
1174 if ((r = mpt_attach(pdev,id)) != 0)
1177 ioc = pci_get_drvdata(pdev);
1178 ioc->DoneCtx = mptfcDoneCtx;
1179 ioc->TaskCtx = mptfcTaskCtx;
1180 ioc->InternalCtx = mptfcInternalCtx;
1182 /* Added sanity check on readiness of the MPT adapter.
1184 if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) {
1185 printk(MYIOC_s_WARN_FMT
1186 "Skipping because it's not operational!\n",
1189 goto out_mptfc_probe;
1193 printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n",
1196 goto out_mptfc_probe;
1199 /* Sanity check - ensure at least 1 port is INITIATOR capable
1202 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1203 if (ioc->pfacts[ii].ProtocolFlags &
1204 MPI_PORTFACTS_PROTOCOL_INITIATOR)
1209 printk(MYIOC_s_WARN_FMT
1210 "Skipping ioc=%p because SCSI Initiator mode is NOT enabled!\n",
1215 sh = scsi_host_alloc(&mptfc_driver_template, sizeof(MPT_SCSI_HOST));
1218 printk(MYIOC_s_WARN_FMT
1219 "Unable to register controller with SCSI subsystem\n",
1222 goto out_mptfc_probe;
1225 spin_lock_init(&ioc->fc_rescan_work_lock);
1226 INIT_WORK(&ioc->fc_rescan_work, mptfc_rescan_devices);
1227 INIT_WORK(&ioc->fc_setup_reset_work, mptfc_setup_reset);
1228 INIT_WORK(&ioc->fc_lsc_work, mptfc_link_status_change);
1230 spin_lock_irqsave(&ioc->FreeQlock, flags);
1232 /* Attach the SCSI Host to the IOC structure
1240 /* set 16 byte cdb's */
1241 sh->max_cmd_len = 16;
1243 sh->max_id = ioc->pfacts->MaxDevices;
1244 sh->max_lun = max_lun;
1248 sh->unique_id = ioc->id;
1250 /* Verify that we won't exceed the maximum
1251 * number of chain buffers
1252 * We can optimize: ZZ = req_sz/sizeof(SGE)
1254 * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ
1255 * + (req_sz - 64)/sizeof(SGE)
1256 * A slightly different algorithm is required for
1259 scale = ioc->req_sz/ioc->SGE_size;
1260 if (ioc->sg_addr_size == sizeof(u64)) {
1261 numSGE = (scale - 1) *
1262 (ioc->facts.MaxChainDepth-1) + scale +
1263 (ioc->req_sz - 60) / ioc->SGE_size;
1265 numSGE = 1 + (scale - 1) *
1266 (ioc->facts.MaxChainDepth-1) + scale +
1267 (ioc->req_sz - 64) / ioc->SGE_size;
1270 if (numSGE < sh->sg_tablesize) {
1271 /* Reset this value */
1272 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1273 "Resetting sg_tablesize to %d from %d\n",
1274 ioc->name, numSGE, sh->sg_tablesize));
1275 sh->sg_tablesize = numSGE;
1278 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1280 hd = shost_priv(sh);
1283 /* SCSI needs scsi_cmnd lookup table!
1284 * (with size equal to req_depth*PtrSz!)
1286 ioc->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC);
1287 if (!ioc->ScsiLookup) {
1289 goto out_mptfc_probe;
1291 spin_lock_init(&ioc->scsi_lookup_lock);
1293 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n",
1294 ioc->name, ioc->ScsiLookup));
1296 hd->last_queue_full = 0;
1298 sh->transportt = mptfc_transport_template;
1299 error = scsi_add_host (sh, &ioc->pcidev->dev);
1301 dprintk(ioc, printk(MYIOC_s_ERR_FMT
1302 "scsi_add_host failed\n", ioc->name));
1303 goto out_mptfc_probe;
1306 /* initialize workqueue */
1308 snprintf(ioc->fc_rescan_work_q_name, sizeof(ioc->fc_rescan_work_q_name),
1309 "mptfc_wq_%d", sh->host_no);
1310 ioc->fc_rescan_work_q =
1311 create_singlethread_workqueue(ioc->fc_rescan_work_q_name);
1312 if (!ioc->fc_rescan_work_q)
1313 goto out_mptfc_probe;
1316 * Pre-fetch FC port WWN and stuff...
1317 * (FCPortPage0_t stuff)
1319 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1320 (void) mptfc_GetFcPortPage0(ioc, ii);
1322 mptfc_SetFcPortPage1_defaults(ioc);
1326 * by doing it via the workqueue, some locking is eliminated
1329 queue_work(ioc->fc_rescan_work_q, &ioc->fc_rescan_work);
1330 flush_workqueue(ioc->fc_rescan_work_q);
1336 mptscsih_remove(pdev);
1340 static struct pci_driver mptfc_driver = {
1342 .id_table = mptfc_pci_table,
1343 .probe = mptfc_probe,
1344 .remove = __devexit_p(mptfc_remove),
1345 .shutdown = mptscsih_shutdown,
1347 .suspend = mptscsih_suspend,
1348 .resume = mptscsih_resume,
1353 mptfc_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
1356 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
1357 unsigned long flags;
1360 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n",
1363 if (ioc->sh == NULL ||
1364 ((hd = shost_priv(ioc->sh)) == NULL))
1368 case MPI_EVENT_RESCAN:
1369 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1370 if (ioc->fc_rescan_work_q) {
1371 queue_work(ioc->fc_rescan_work_q,
1372 &ioc->fc_rescan_work);
1374 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1376 case MPI_EVENT_LINK_STATUS_CHANGE:
1377 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1378 if (ioc->fc_rescan_work_q) {
1379 queue_work(ioc->fc_rescan_work_q,
1382 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1385 rc = mptscsih_event_process(ioc,pEvReply);
1392 mptfc_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
1395 unsigned long flags;
1397 rc = mptscsih_ioc_reset(ioc,reset_phase);
1402 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1403 ": IOC %s_reset routed to FC host driver!\n",ioc->name,
1404 reset_phase==MPT_IOC_SETUP_RESET ? "setup" : (
1405 reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post")));
1407 if (reset_phase == MPT_IOC_SETUP_RESET) {
1408 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1409 if (ioc->fc_rescan_work_q) {
1410 queue_work(ioc->fc_rescan_work_q,
1411 &ioc->fc_setup_reset_work);
1413 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1416 else if (reset_phase == MPT_IOC_PRE_RESET) {
1419 else { /* MPT_IOC_POST_RESET */
1420 mptfc_SetFcPortPage1_defaults(ioc);
1421 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1422 if (ioc->fc_rescan_work_q) {
1423 queue_work(ioc->fc_rescan_work_q,
1424 &ioc->fc_rescan_work);
1426 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1431 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1433 * mptfc_init - Register MPT adapter(s) as SCSI host(s) with SCSI mid-layer.
1435 * Returns 0 for success, non-zero for failure.
1442 show_mptmod_ver(my_NAME, my_VERSION);
1444 /* sanity check module parameters */
1445 if (mptfc_dev_loss_tmo <= 0)
1446 mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO;
1448 mptfc_transport_template =
1449 fc_attach_transport(&mptfc_transport_functions);
1451 if (!mptfc_transport_template)
1454 mptfcDoneCtx = mpt_register(mptscsih_io_done, MPTFC_DRIVER);
1455 mptfcTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTFC_DRIVER);
1456 mptfcInternalCtx = mpt_register(mptscsih_scandv_complete, MPTFC_DRIVER);
1458 mpt_event_register(mptfcDoneCtx, mptfc_event_process);
1459 mpt_reset_register(mptfcDoneCtx, mptfc_ioc_reset);
1461 error = pci_register_driver(&mptfc_driver);
1463 fc_release_transport(mptfc_transport_template);
1468 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1470 * mptfc_remove - Remove fc infrastructure for devices
1471 * @pdev: Pointer to pci_dev structure
1474 static void __devexit
1475 mptfc_remove(struct pci_dev *pdev)
1477 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1478 struct mptfc_rport_info *p, *n;
1479 struct workqueue_struct *work_q;
1480 unsigned long flags;
1483 /* destroy workqueue */
1484 if ((work_q=ioc->fc_rescan_work_q)) {
1485 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1486 ioc->fc_rescan_work_q = NULL;
1487 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1488 destroy_workqueue(work_q);
1491 fc_remove_host(ioc->sh);
1493 list_for_each_entry_safe(p, n, &ioc->fc_rports, list) {
1498 for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) {
1499 if (ioc->fc_data.fc_port_page1[ii].data) {
1500 pci_free_consistent(ioc->pcidev,
1501 ioc->fc_data.fc_port_page1[ii].pg_sz,
1502 (u8 *) ioc->fc_data.fc_port_page1[ii].data,
1503 ioc->fc_data.fc_port_page1[ii].dma);
1504 ioc->fc_data.fc_port_page1[ii].data = NULL;
1508 mptscsih_remove(pdev);
1511 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1512 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1514 * mptfc_exit - Unregisters MPT adapter(s)
1520 pci_unregister_driver(&mptfc_driver);
1521 fc_release_transport(mptfc_transport_template);
1523 mpt_reset_deregister(mptfcDoneCtx);
1524 mpt_event_deregister(mptfcDoneCtx);
1526 mpt_deregister(mptfcInternalCtx);
1527 mpt_deregister(mptfcTaskCtx);
1528 mpt_deregister(mptfcDoneCtx);
1531 module_init(mptfc_init);
1532 module_exit(mptfc_exit);