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>
57 #include <linux/slab.h>
59 #include <scsi/scsi.h>
60 #include <scsi/scsi_cmnd.h>
61 #include <scsi/scsi_device.h>
62 #include <scsi/scsi_host.h>
63 #include <scsi/scsi_tcq.h>
64 #include <scsi/scsi_transport_fc.h>
69 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
70 #define my_NAME "Fusion MPT FC Host driver"
71 #define my_VERSION MPT_LINUX_VERSION_COMMON
74 MODULE_AUTHOR(MODULEAUTHOR);
75 MODULE_DESCRIPTION(my_NAME);
76 MODULE_LICENSE("GPL");
77 MODULE_VERSION(my_VERSION);
79 /* Command line args */
80 #define MPTFC_DEV_LOSS_TMO (60)
81 static int mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO; /* reasonable default */
82 module_param(mptfc_dev_loss_tmo, int, 0);
83 MODULE_PARM_DESC(mptfc_dev_loss_tmo, " Initial time the driver programs the "
84 " transport to wait for an rport to "
85 " return following a device loss event."
88 /* scsi-mid layer global parmeter is max_report_luns, which is 511 */
89 #define MPTFC_MAX_LUN (16895)
90 static int max_lun = MPTFC_MAX_LUN;
91 module_param(max_lun, int, 0);
92 MODULE_PARM_DESC(max_lun, " max lun, default=16895 ");
94 static u8 mptfcDoneCtx = MPT_MAX_PROTOCOL_DRIVERS;
95 static u8 mptfcTaskCtx = MPT_MAX_PROTOCOL_DRIVERS;
96 static u8 mptfcInternalCtx = MPT_MAX_PROTOCOL_DRIVERS;
98 static int mptfc_target_alloc(struct scsi_target *starget);
99 static int mptfc_slave_alloc(struct scsi_device *sdev);
100 static int mptfc_qcmd(struct scsi_cmnd *SCpnt,
101 void (*done)(struct scsi_cmnd *));
102 static void mptfc_target_destroy(struct scsi_target *starget);
103 static void mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout);
104 static void __devexit mptfc_remove(struct pci_dev *pdev);
105 static int mptfc_abort(struct scsi_cmnd *SCpnt);
106 static int mptfc_dev_reset(struct scsi_cmnd *SCpnt);
107 static int mptfc_bus_reset(struct scsi_cmnd *SCpnt);
108 static int mptfc_host_reset(struct scsi_cmnd *SCpnt);
110 static struct scsi_host_template mptfc_driver_template = {
111 .module = THIS_MODULE,
112 .proc_name = "mptfc",
113 .proc_info = mptscsih_proc_info,
114 .name = "MPT FC Host",
115 .info = mptscsih_info,
116 .queuecommand = mptfc_qcmd,
117 .target_alloc = mptfc_target_alloc,
118 .slave_alloc = mptfc_slave_alloc,
119 .slave_configure = mptscsih_slave_configure,
120 .target_destroy = mptfc_target_destroy,
121 .slave_destroy = mptscsih_slave_destroy,
122 .change_queue_depth = mptscsih_change_queue_depth,
123 .eh_abort_handler = mptfc_abort,
124 .eh_device_reset_handler = mptfc_dev_reset,
125 .eh_bus_reset_handler = mptfc_bus_reset,
126 .eh_host_reset_handler = mptfc_host_reset,
127 .bios_param = mptscsih_bios_param,
128 .can_queue = MPT_FC_CAN_QUEUE,
130 .sg_tablesize = MPT_SCSI_SG_DEPTH,
133 .use_clustering = ENABLE_CLUSTERING,
134 .shost_attrs = mptscsih_host_attrs,
137 /****************************************************************************
141 static struct pci_device_id mptfc_pci_table[] = {
142 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC909,
143 PCI_ANY_ID, PCI_ANY_ID },
144 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC919,
145 PCI_ANY_ID, PCI_ANY_ID },
146 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC929,
147 PCI_ANY_ID, PCI_ANY_ID },
148 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC919X,
149 PCI_ANY_ID, PCI_ANY_ID },
150 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC929X,
151 PCI_ANY_ID, PCI_ANY_ID },
152 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC939X,
153 PCI_ANY_ID, PCI_ANY_ID },
154 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC949X,
155 PCI_ANY_ID, PCI_ANY_ID },
156 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC949E,
157 PCI_ANY_ID, PCI_ANY_ID },
158 { PCI_VENDOR_ID_BROCADE, MPI_MANUFACTPAGE_DEVICEID_FC949E,
159 PCI_ANY_ID, PCI_ANY_ID },
160 {0} /* Terminating entry */
162 MODULE_DEVICE_TABLE(pci, mptfc_pci_table);
164 static struct scsi_transport_template *mptfc_transport_template = NULL;
166 static struct fc_function_template mptfc_transport_functions = {
167 .dd_fcrport_size = 8,
168 .show_host_node_name = 1,
169 .show_host_port_name = 1,
170 .show_host_supported_classes = 1,
171 .show_host_port_id = 1,
172 .show_rport_supported_classes = 1,
173 .show_starget_node_name = 1,
174 .show_starget_port_name = 1,
175 .show_starget_port_id = 1,
176 .set_rport_dev_loss_tmo = mptfc_set_rport_loss_tmo,
177 .show_rport_dev_loss_tmo = 1,
178 .show_host_supported_speeds = 1,
179 .show_host_maxframe_size = 1,
180 .show_host_speed = 1,
181 .show_host_fabric_name = 1,
182 .show_host_port_type = 1,
183 .show_host_port_state = 1,
184 .show_host_symbolic_name = 1,
188 mptfc_block_error_handler(struct scsi_cmnd *SCpnt,
189 int (*func)(struct scsi_cmnd *SCpnt),
193 struct scsi_device *sdev = SCpnt->device;
194 struct Scsi_Host *shost = sdev->host;
195 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
199 int loops = 40; /* seconds */
201 hd = shost_priv(SCpnt->device->host);
203 spin_lock_irqsave(shost->host_lock, flags);
204 while ((ready = fc_remote_port_chkready(rport) >> 16) == DID_IMM_RETRY
205 || (loops > 0 && ioc->active == 0)) {
206 spin_unlock_irqrestore(shost->host_lock, flags);
207 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
208 "mptfc_block_error_handler.%d: %d:%d, port status is "
209 "%x, active flag %d, deferring %s recovery.\n",
210 ioc->name, ioc->sh->host_no,
211 SCpnt->device->id, SCpnt->device->lun,
212 ready, ioc->active, caller));
214 spin_lock_irqsave(shost->host_lock, flags);
217 spin_unlock_irqrestore(shost->host_lock, flags);
219 if (ready == DID_NO_CONNECT || !SCpnt->device->hostdata
220 || ioc->active == 0) {
221 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
222 "%s.%d: %d:%d, failing recovery, "
223 "port state %x, active %d, vdevice %p.\n", caller,
224 ioc->name, ioc->sh->host_no,
225 SCpnt->device->id, SCpnt->device->lun, ready,
226 ioc->active, SCpnt->device->hostdata));
229 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
230 "%s.%d: %d:%d, executing recovery.\n", caller,
231 ioc->name, ioc->sh->host_no,
232 SCpnt->device->id, SCpnt->device->lun));
233 return (*func)(SCpnt);
237 mptfc_abort(struct scsi_cmnd *SCpnt)
240 mptfc_block_error_handler(SCpnt, mptscsih_abort, __func__);
244 mptfc_dev_reset(struct scsi_cmnd *SCpnt)
247 mptfc_block_error_handler(SCpnt, mptscsih_dev_reset, __func__);
251 mptfc_bus_reset(struct scsi_cmnd *SCpnt)
254 mptfc_block_error_handler(SCpnt, mptscsih_bus_reset, __func__);
258 mptfc_host_reset(struct scsi_cmnd *SCpnt)
261 mptfc_block_error_handler(SCpnt, mptscsih_host_reset, __func__);
265 mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
268 rport->dev_loss_tmo = timeout;
270 rport->dev_loss_tmo = mptfc_dev_loss_tmo;
274 mptfc_FcDevPage0_cmp_func(const void *a, const void *b)
276 FCDevicePage0_t **aa = (FCDevicePage0_t **)a;
277 FCDevicePage0_t **bb = (FCDevicePage0_t **)b;
279 if ((*aa)->CurrentBus == (*bb)->CurrentBus) {
280 if ((*aa)->CurrentTargetID == (*bb)->CurrentTargetID)
282 if ((*aa)->CurrentTargetID < (*bb)->CurrentTargetID)
286 if ((*aa)->CurrentBus < (*bb)->CurrentBus)
292 mptfc_GetFcDevPage0(MPT_ADAPTER *ioc, int ioc_port,
293 void(*func)(MPT_ADAPTER *ioc,int channel, FCDevicePage0_t *arg))
295 ConfigPageHeader_t hdr;
297 FCDevicePage0_t *ppage0_alloc, *fc;
298 dma_addr_t page0_dma;
302 FCDevicePage0_t *p0_array=NULL, *p_p0;
303 FCDevicePage0_t **pp0_array=NULL, **p_pp0;
306 U32 port_id = 0xffffff;
308 int max_bus = ioc->facts.MaxBuses;
311 max_targ = (ioc->facts.MaxDevices == 0) ? 256 : ioc->facts.MaxDevices;
313 data_sz = sizeof(FCDevicePage0_t) * max_bus * max_targ;
314 p_p0 = p0_array = kzalloc(data_sz, GFP_KERNEL);
318 data_sz = sizeof(FCDevicePage0_t *) * max_bus * max_targ;
319 p_pp0 = pp0_array = kzalloc(data_sz, GFP_KERNEL);
324 /* Get FC Device Page 0 header */
328 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_DEVICE;
329 cfg.cfghdr.hdr = &hdr;
331 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
333 cfg.pageAddr = port_id;
336 if ((rc = mpt_config(ioc, &cfg)) != 0)
339 if (hdr.PageLength <= 0)
342 data_sz = hdr.PageLength * 4;
343 ppage0_alloc = pci_alloc_consistent(ioc->pcidev, data_sz,
349 cfg.physAddr = page0_dma;
350 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
352 if ((rc = mpt_config(ioc, &cfg)) == 0) {
353 ppage0_alloc->PortIdentifier =
354 le32_to_cpu(ppage0_alloc->PortIdentifier);
356 ppage0_alloc->WWNN.Low =
357 le32_to_cpu(ppage0_alloc->WWNN.Low);
359 ppage0_alloc->WWNN.High =
360 le32_to_cpu(ppage0_alloc->WWNN.High);
362 ppage0_alloc->WWPN.Low =
363 le32_to_cpu(ppage0_alloc->WWPN.Low);
365 ppage0_alloc->WWPN.High =
366 le32_to_cpu(ppage0_alloc->WWPN.High);
368 ppage0_alloc->BBCredit =
369 le16_to_cpu(ppage0_alloc->BBCredit);
371 ppage0_alloc->MaxRxFrameSize =
372 le16_to_cpu(ppage0_alloc->MaxRxFrameSize);
374 port_id = ppage0_alloc->PortIdentifier;
376 *p_p0 = *ppage0_alloc; /* save data */
377 *p_pp0++ = p_p0++; /* save addr */
379 pci_free_consistent(ioc->pcidev, data_sz,
380 (u8 *) ppage0_alloc, page0_dma);
384 } while (port_id <= 0xff0000);
389 sort (pp0_array, num_targ, sizeof(FCDevicePage0_t *),
390 mptfc_FcDevPage0_cmp_func, NULL);
391 /* call caller's func for each targ */
392 for (ii = 0; ii < num_targ; ii++) {
393 fc = *(pp0_array+ii);
394 func(ioc, ioc_port, fc);
405 mptfc_generate_rport_ids(FCDevicePage0_t *pg0, struct fc_rport_identifiers *rid)
407 /* not currently usable */
408 if (pg0->Flags & (MPI_FC_DEVICE_PAGE0_FLAGS_PLOGI_INVALID |
409 MPI_FC_DEVICE_PAGE0_FLAGS_PRLI_INVALID))
412 if (!(pg0->Flags & MPI_FC_DEVICE_PAGE0_FLAGS_TARGETID_BUS_VALID))
415 if (!(pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_TARGET))
419 * board data structure already normalized to platform endianness
420 * shifted to avoid unaligned access on 64 bit architecture
422 rid->node_name = ((u64)pg0->WWNN.High) << 32 | (u64)pg0->WWNN.Low;
423 rid->port_name = ((u64)pg0->WWPN.High) << 32 | (u64)pg0->WWPN.Low;
424 rid->port_id = pg0->PortIdentifier;
425 rid->roles = FC_RPORT_ROLE_UNKNOWN;
431 mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0)
433 struct fc_rport_identifiers rport_ids;
434 struct fc_rport *rport;
435 struct mptfc_rport_info *ri;
439 u32 roles = FC_RPORT_ROLE_UNKNOWN;
441 if (mptfc_generate_rport_ids(pg0, &rport_ids) < 0)
444 roles |= FC_RPORT_ROLE_FCP_TARGET;
445 if (pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_INITIATOR)
446 roles |= FC_RPORT_ROLE_FCP_INITIATOR;
448 /* scan list looking for a match */
449 list_for_each_entry(ri, &ioc->fc_rports, list) {
450 pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
451 if (pn == rport_ids.port_name) { /* match */
452 list_move_tail(&ri->list, &ioc->fc_rports);
457 if (new_ri) { /* allocate one */
458 ri = kzalloc(sizeof(struct mptfc_rport_info), GFP_KERNEL);
461 list_add_tail(&ri->list, &ioc->fc_rports);
464 ri->pg0 = *pg0; /* add/update pg0 data */
465 ri->flags &= ~MPT_RPORT_INFO_FLAGS_MISSING;
467 /* MPT_RPORT_INFO_FLAGS_REGISTERED - rport not previously deleted */
468 if (!(ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED)) {
469 ri->flags |= MPT_RPORT_INFO_FLAGS_REGISTERED;
470 rport = fc_remote_port_add(ioc->sh, channel, &rport_ids);
473 if (new_ri) /* may have been reset by user */
474 rport->dev_loss_tmo = mptfc_dev_loss_tmo;
476 * if already mapped, remap here. If not mapped,
477 * target_alloc will allocate vtarget and map,
478 * slave_alloc will fill in vdevice from vtarget.
481 vtarget = ri->starget->hostdata;
483 vtarget->id = pg0->CurrentTargetID;
484 vtarget->channel = pg0->CurrentBus;
487 *((struct mptfc_rport_info **)rport->dd_data) = ri;
488 /* scan will be scheduled once rport becomes a target */
489 fc_remote_port_rolechg(rport,roles);
491 pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
492 nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low;
493 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
494 "mptfc_reg_dev.%d: %x, %llx / %llx, tid %d, "
495 "rport tid %d, tmo %d\n",
499 (unsigned long long)nn,
500 (unsigned long long)pn,
501 pg0->CurrentTargetID,
502 ri->rport->scsi_target_id,
503 ri->rport->dev_loss_tmo));
513 * OS entry point to allow for host driver to free allocated memory
514 * Called if no device present or device being unloaded
517 mptfc_target_destroy(struct scsi_target *starget)
519 struct fc_rport *rport;
520 struct mptfc_rport_info *ri;
522 rport = starget_to_rport(starget);
524 ri = *((struct mptfc_rport_info **)rport->dd_data);
525 if (ri) /* better be! */
528 if (starget->hostdata)
529 kfree(starget->hostdata);
530 starget->hostdata = NULL;
534 * OS entry point to allow host driver to alloc memory
535 * for each scsi target. Called once per device the bus scan.
536 * Return non-zero if allocation fails.
539 mptfc_target_alloc(struct scsi_target *starget)
542 struct fc_rport *rport;
543 struct mptfc_rport_info *ri;
546 vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL);
549 starget->hostdata = vtarget;
552 rport = starget_to_rport(starget);
554 ri = *((struct mptfc_rport_info **)rport->dd_data);
555 if (ri) { /* better be! */
556 vtarget->id = ri->pg0.CurrentTargetID;
557 vtarget->channel = ri->pg0.CurrentBus;
558 ri->starget = starget;
564 starget->hostdata = NULL;
570 * mptfc_dump_lun_info
577 mptfc_dump_lun_info(MPT_ADAPTER *ioc, struct fc_rport *rport, struct scsi_device *sdev,
581 struct mptfc_rport_info *ri;
583 ri = *((struct mptfc_rport_info **)rport->dd_data);
584 pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
585 nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low;
586 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
587 "mptfc_slv_alloc.%d: num_luns %d, sdev.id %d, "
588 "CurrentTargetID %d, %x %llx %llx\n",
592 sdev->id, ri->pg0.CurrentTargetID,
593 ri->pg0.PortIdentifier,
594 (unsigned long long)pn,
595 (unsigned long long)nn));
600 * OS entry point to allow host driver to alloc memory
601 * for each scsi device. Called once per device the bus scan.
602 * Return non-zero if allocation fails.
603 * Init memory once per LUN.
606 mptfc_slave_alloc(struct scsi_device *sdev)
611 struct scsi_target *starget;
612 struct fc_rport *rport;
615 starget = scsi_target(sdev);
616 rport = starget_to_rport(starget);
618 if (!rport || fc_remote_port_chkready(rport))
621 hd = shost_priv(sdev->host);
624 vdevice = kzalloc(sizeof(VirtDevice), GFP_KERNEL);
626 printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n",
627 ioc->name, sizeof(VirtDevice));
632 sdev->hostdata = vdevice;
633 vtarget = starget->hostdata;
635 if (vtarget->num_luns == 0) {
636 vtarget->ioc_id = ioc->id;
637 vtarget->tflags = MPT_TARGET_FLAGS_Q_YES;
640 vdevice->vtarget = vtarget;
641 vdevice->lun = sdev->lun;
646 mptfc_dump_lun_info(ioc, rport, sdev, vtarget);
652 mptfc_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
654 struct mptfc_rport_info *ri;
655 struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device));
657 VirtDevice *vdevice = SCpnt->device->hostdata;
659 if (!vdevice || !vdevice->vtarget) {
660 SCpnt->result = DID_NO_CONNECT << 16;
665 err = fc_remote_port_chkready(rport);
672 /* dd_data is null until finished adding target */
673 ri = *((struct mptfc_rport_info **)rport->dd_data);
675 SCpnt->result = DID_IMM_RETRY << 16;
680 return mptscsih_qcmd(SCpnt,done);
684 * mptfc_display_port_link_speed - displaying link speed
685 * @ioc: Pointer to MPT_ADAPTER structure
686 * @portnum: IOC Port number
687 * @pp0dest: port page0 data payload
691 mptfc_display_port_link_speed(MPT_ADAPTER *ioc, int portnum, FCPortPage0_t *pp0dest)
693 u8 old_speed, new_speed, state;
699 old_speed = ioc->fc_link_speed[portnum];
700 new_speed = pp0dest->CurrentSpeed;
701 state = pp0dest->PortState;
703 if (state != MPI_FCPORTPAGE0_PORTSTATE_OFFLINE &&
704 new_speed != MPI_FCPORTPAGE0_CURRENT_SPEED_UKNOWN) {
706 old = old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT ? "1 Gbps" :
707 old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT ? "2 Gbps" :
708 old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT ? "4 Gbps" :
710 new = new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT ? "1 Gbps" :
711 new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT ? "2 Gbps" :
712 new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT ? "4 Gbps" :
715 printk(MYIOC_s_NOTE_FMT
716 "FC Link Established, Speed = %s\n",
718 else if (old_speed != new_speed)
719 printk(MYIOC_s_WARN_FMT
720 "FC Link Speed Change, Old Speed = %s, New Speed = %s\n",
721 ioc->name, old, new);
723 ioc->fc_link_speed[portnum] = new_speed;
728 * mptfc_GetFcPortPage0 - Fetch FCPort config Page0.
729 * @ioc: Pointer to MPT_ADAPTER structure
730 * @portnum: IOC Port number
732 * Return: 0 for success
733 * -ENOMEM if no memory available
734 * -EPERM if not allowed due to ISR context
735 * -EAGAIN if no msg frames currently available
736 * -EFAULT for non-successful reply or no reply (timeout)
737 * -EINVAL portnum arg out of range (hardwired to two elements)
740 mptfc_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
742 ConfigPageHeader_t hdr;
744 FCPortPage0_t *ppage0_alloc;
745 FCPortPage0_t *pp0dest;
746 dma_addr_t page0_dma;
755 /* Get FCPort Page 0 header */
759 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
760 cfg.cfghdr.hdr = &hdr;
762 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
764 cfg.pageAddr = portnum;
767 if ((rc = mpt_config(ioc, &cfg)) != 0)
770 if (hdr.PageLength == 0)
773 data_sz = hdr.PageLength * 4;
775 ppage0_alloc = (FCPortPage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page0_dma);
779 memset((u8 *)ppage0_alloc, 0, data_sz);
780 cfg.physAddr = page0_dma;
781 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
783 if ((rc = mpt_config(ioc, &cfg)) == 0) {
785 pp0dest = &ioc->fc_port_page0[portnum];
786 copy_sz = min_t(int, sizeof(FCPortPage0_t), data_sz);
787 memcpy(pp0dest, ppage0_alloc, copy_sz);
790 * Normalize endianness of structure data,
791 * by byte-swapping all > 1 byte fields!
793 pp0dest->Flags = le32_to_cpu(pp0dest->Flags);
794 pp0dest->PortIdentifier = le32_to_cpu(pp0dest->PortIdentifier);
795 pp0dest->WWNN.Low = le32_to_cpu(pp0dest->WWNN.Low);
796 pp0dest->WWNN.High = le32_to_cpu(pp0dest->WWNN.High);
797 pp0dest->WWPN.Low = le32_to_cpu(pp0dest->WWPN.Low);
798 pp0dest->WWPN.High = le32_to_cpu(pp0dest->WWPN.High);
799 pp0dest->SupportedServiceClass = le32_to_cpu(pp0dest->SupportedServiceClass);
800 pp0dest->SupportedSpeeds = le32_to_cpu(pp0dest->SupportedSpeeds);
801 pp0dest->CurrentSpeed = le32_to_cpu(pp0dest->CurrentSpeed);
802 pp0dest->MaxFrameSize = le32_to_cpu(pp0dest->MaxFrameSize);
803 pp0dest->FabricWWNN.Low = le32_to_cpu(pp0dest->FabricWWNN.Low);
804 pp0dest->FabricWWNN.High = le32_to_cpu(pp0dest->FabricWWNN.High);
805 pp0dest->FabricWWPN.Low = le32_to_cpu(pp0dest->FabricWWPN.Low);
806 pp0dest->FabricWWPN.High = le32_to_cpu(pp0dest->FabricWWPN.High);
807 pp0dest->DiscoveredPortsCount = le32_to_cpu(pp0dest->DiscoveredPortsCount);
808 pp0dest->MaxInitiators = le32_to_cpu(pp0dest->MaxInitiators);
811 * if still doing discovery,
812 * hang loose a while until finished
814 if ((pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_UNKNOWN) ||
815 (pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE &&
816 (pp0dest->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_TYPE_MASK)
817 == MPI_FCPORTPAGE0_FLAGS_ATTACH_NO_INIT)) {
822 printk(MYIOC_s_INFO_FMT "Firmware discovery not"
826 mptfc_display_port_link_speed(ioc, portnum, pp0dest);
829 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage0_alloc, page0_dma);
836 mptfc_WriteFcPortPage1(MPT_ADAPTER *ioc, int portnum)
838 ConfigPageHeader_t hdr;
845 if (!(ioc->fc_data.fc_port_page1[portnum].data))
848 /* get fcport page 1 header */
852 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
853 cfg.cfghdr.hdr = &hdr;
855 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
857 cfg.pageAddr = portnum;
860 if ((rc = mpt_config(ioc, &cfg)) != 0)
863 if (hdr.PageLength == 0)
866 if (hdr.PageLength*4 != ioc->fc_data.fc_port_page1[portnum].pg_sz)
869 cfg.physAddr = ioc->fc_data.fc_port_page1[portnum].dma;
870 cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
873 rc = mpt_config(ioc, &cfg);
879 mptfc_GetFcPortPage1(MPT_ADAPTER *ioc, int portnum)
881 ConfigPageHeader_t hdr;
883 FCPortPage1_t *page1_alloc;
884 dma_addr_t page1_dma;
891 /* get fcport page 1 header */
895 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
896 cfg.cfghdr.hdr = &hdr;
898 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
900 cfg.pageAddr = portnum;
903 if ((rc = mpt_config(ioc, &cfg)) != 0)
906 if (hdr.PageLength == 0)
911 if (ioc->fc_data.fc_port_page1[portnum].data == NULL) {
912 data_sz = hdr.PageLength * 4;
913 if (data_sz < sizeof(FCPortPage1_t))
914 data_sz = sizeof(FCPortPage1_t);
916 page1_alloc = (FCPortPage1_t *) pci_alloc_consistent(ioc->pcidev,
923 page1_alloc = ioc->fc_data.fc_port_page1[portnum].data;
924 page1_dma = ioc->fc_data.fc_port_page1[portnum].dma;
925 data_sz = ioc->fc_data.fc_port_page1[portnum].pg_sz;
926 if (hdr.PageLength * 4 > data_sz) {
927 ioc->fc_data.fc_port_page1[portnum].data = NULL;
928 pci_free_consistent(ioc->pcidev, data_sz, (u8 *)
929 page1_alloc, page1_dma);
934 memset(page1_alloc,0,data_sz);
936 cfg.physAddr = page1_dma;
937 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
939 if ((rc = mpt_config(ioc, &cfg)) == 0) {
940 ioc->fc_data.fc_port_page1[portnum].data = page1_alloc;
941 ioc->fc_data.fc_port_page1[portnum].pg_sz = data_sz;
942 ioc->fc_data.fc_port_page1[portnum].dma = page1_dma;
945 ioc->fc_data.fc_port_page1[portnum].data = NULL;
946 pci_free_consistent(ioc->pcidev, data_sz, (u8 *)
947 page1_alloc, page1_dma);
954 mptfc_SetFcPortPage1_defaults(MPT_ADAPTER *ioc)
959 #define MPTFC_FW_DEVICE_TIMEOUT (1)
960 #define MPTFC_FW_IO_PEND_TIMEOUT (1)
961 #define ON_FLAGS (MPI_FCPORTPAGE1_FLAGS_IMMEDIATE_ERROR_REPLY)
962 #define OFF_FLAGS (MPI_FCPORTPAGE1_FLAGS_VERBOSE_RESCAN_EVENTS)
964 for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) {
965 if (mptfc_GetFcPortPage1(ioc, ii) != 0)
967 pp1 = ioc->fc_data.fc_port_page1[ii].data;
968 if ((pp1->InitiatorDeviceTimeout == MPTFC_FW_DEVICE_TIMEOUT)
969 && (pp1->InitiatorIoPendTimeout == MPTFC_FW_IO_PEND_TIMEOUT)
970 && ((pp1->Flags & ON_FLAGS) == ON_FLAGS)
971 && ((pp1->Flags & OFF_FLAGS) == 0))
973 pp1->InitiatorDeviceTimeout = MPTFC_FW_DEVICE_TIMEOUT;
974 pp1->InitiatorIoPendTimeout = MPTFC_FW_IO_PEND_TIMEOUT;
975 pp1->Flags &= ~OFF_FLAGS;
976 pp1->Flags |= ON_FLAGS;
977 mptfc_WriteFcPortPage1(ioc, ii);
983 mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum)
991 struct Scsi_Host *sh;
994 /* don't know what to do as only one scsi (fc) host was allocated */
998 pp0 = &ioc->fc_port_page0[portnum];
1001 sn = fc_host_symbolic_name(sh);
1002 snprintf(sn, FC_SYMBOLIC_NAME_SIZE, "%s %s%08xh",
1004 MPT_FW_REV_MAGIC_ID_STRING,
1005 ioc->facts.FWVersion.Word);
1007 fc_host_tgtid_bind_type(sh) = FC_TGTID_BIND_BY_WWPN;
1009 fc_host_maxframe_size(sh) = pp0->MaxFrameSize;
1011 fc_host_node_name(sh) =
1012 (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low;
1014 fc_host_port_name(sh) =
1015 (u64)pp0->WWPN.High << 32 | (u64)pp0->WWPN.Low;
1017 fc_host_port_id(sh) = pp0->PortIdentifier;
1019 class = pp0->SupportedServiceClass;
1020 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_1)
1021 cos |= FC_COS_CLASS1;
1022 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_2)
1023 cos |= FC_COS_CLASS2;
1024 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_3)
1025 cos |= FC_COS_CLASS3;
1026 fc_host_supported_classes(sh) = cos;
1028 if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT)
1029 speed = FC_PORTSPEED_1GBIT;
1030 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT)
1031 speed = FC_PORTSPEED_2GBIT;
1032 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT)
1033 speed = FC_PORTSPEED_4GBIT;
1034 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_10GBIT)
1035 speed = FC_PORTSPEED_10GBIT;
1037 speed = FC_PORTSPEED_UNKNOWN;
1038 fc_host_speed(sh) = speed;
1041 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_1GBIT_SPEED)
1042 speed |= FC_PORTSPEED_1GBIT;
1043 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_2GBIT_SPEED)
1044 speed |= FC_PORTSPEED_2GBIT;
1045 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_4GBIT_SPEED)
1046 speed |= FC_PORTSPEED_4GBIT;
1047 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_10GBIT_SPEED)
1048 speed |= FC_PORTSPEED_10GBIT;
1049 fc_host_supported_speeds(sh) = speed;
1051 port_state = FC_PORTSTATE_UNKNOWN;
1052 if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE)
1053 port_state = FC_PORTSTATE_ONLINE;
1054 else if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_OFFLINE)
1055 port_state = FC_PORTSTATE_LINKDOWN;
1056 fc_host_port_state(sh) = port_state;
1058 port_type = FC_PORTTYPE_UNKNOWN;
1059 if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_POINT_TO_POINT)
1060 port_type = FC_PORTTYPE_PTP;
1061 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PRIVATE_LOOP)
1062 port_type = FC_PORTTYPE_LPORT;
1063 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PUBLIC_LOOP)
1064 port_type = FC_PORTTYPE_NLPORT;
1065 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_FABRIC_DIRECT)
1066 port_type = FC_PORTTYPE_NPORT;
1067 fc_host_port_type(sh) = port_type;
1069 fc_host_fabric_name(sh) =
1070 (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_FABRIC_WWN_VALID) ?
1071 (u64) pp0->FabricWWNN.High << 32 | (u64) pp0->FabricWWPN.Low :
1072 (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low;
1077 mptfc_link_status_change(struct work_struct *work)
1080 container_of(work, MPT_ADAPTER, fc_rescan_work);
1083 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++)
1084 (void) mptfc_GetFcPortPage0(ioc, ii);
1089 mptfc_setup_reset(struct work_struct *work)
1092 container_of(work, MPT_ADAPTER, fc_setup_reset_work);
1094 struct mptfc_rport_info *ri;
1096 /* reset about to happen, delete (block) all rports */
1097 list_for_each_entry(ri, &ioc->fc_rports, list) {
1098 if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) {
1099 ri->flags &= ~MPT_RPORT_INFO_FLAGS_REGISTERED;
1100 fc_remote_port_delete(ri->rport); /* won't sleep */
1103 pn = (u64)ri->pg0.WWPN.High << 32 |
1104 (u64)ri->pg0.WWPN.Low;
1105 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
1106 "mptfc_setup_reset.%d: %llx deleted\n",
1109 (unsigned long long)pn));
1115 mptfc_rescan_devices(struct work_struct *work)
1118 container_of(work, MPT_ADAPTER, fc_rescan_work);
1121 struct mptfc_rport_info *ri;
1123 /* start by tagging all ports as missing */
1124 list_for_each_entry(ri, &ioc->fc_rports, list) {
1125 if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) {
1126 ri->flags |= MPT_RPORT_INFO_FLAGS_MISSING;
1131 * now rescan devices known to adapter,
1132 * will reregister existing rports
1134 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1135 (void) mptfc_GetFcPortPage0(ioc, ii);
1136 mptfc_init_host_attr(ioc, ii); /* refresh */
1137 mptfc_GetFcDevPage0(ioc, ii, mptfc_register_dev);
1140 /* delete devices still missing */
1141 list_for_each_entry(ri, &ioc->fc_rports, list) {
1142 /* if newly missing, delete it */
1143 if (ri->flags & MPT_RPORT_INFO_FLAGS_MISSING) {
1145 ri->flags &= ~(MPT_RPORT_INFO_FLAGS_REGISTERED|
1146 MPT_RPORT_INFO_FLAGS_MISSING);
1147 fc_remote_port_delete(ri->rport); /* won't sleep */
1150 pn = (u64)ri->pg0.WWPN.High << 32 |
1151 (u64)ri->pg0.WWPN.Low;
1152 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
1153 "mptfc_rescan.%d: %llx deleted\n",
1156 (unsigned long long)pn));
1162 mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
1164 struct Scsi_Host *sh;
1167 unsigned long flags;
1175 if ((r = mpt_attach(pdev,id)) != 0)
1178 ioc = pci_get_drvdata(pdev);
1179 ioc->DoneCtx = mptfcDoneCtx;
1180 ioc->TaskCtx = mptfcTaskCtx;
1181 ioc->InternalCtx = mptfcInternalCtx;
1183 /* Added sanity check on readiness of the MPT adapter.
1185 if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) {
1186 printk(MYIOC_s_WARN_FMT
1187 "Skipping because it's not operational!\n",
1190 goto out_mptfc_probe;
1194 printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n",
1197 goto out_mptfc_probe;
1200 /* Sanity check - ensure at least 1 port is INITIATOR capable
1203 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1204 if (ioc->pfacts[ii].ProtocolFlags &
1205 MPI_PORTFACTS_PROTOCOL_INITIATOR)
1210 printk(MYIOC_s_WARN_FMT
1211 "Skipping ioc=%p because SCSI Initiator mode is NOT enabled!\n",
1216 sh = scsi_host_alloc(&mptfc_driver_template, sizeof(MPT_SCSI_HOST));
1219 printk(MYIOC_s_WARN_FMT
1220 "Unable to register controller with SCSI subsystem\n",
1223 goto out_mptfc_probe;
1226 spin_lock_init(&ioc->fc_rescan_work_lock);
1227 INIT_WORK(&ioc->fc_rescan_work, mptfc_rescan_devices);
1228 INIT_WORK(&ioc->fc_setup_reset_work, mptfc_setup_reset);
1229 INIT_WORK(&ioc->fc_lsc_work, mptfc_link_status_change);
1231 spin_lock_irqsave(&ioc->FreeQlock, flags);
1233 /* Attach the SCSI Host to the IOC structure
1241 /* set 16 byte cdb's */
1242 sh->max_cmd_len = 16;
1244 sh->max_id = ioc->pfacts->MaxDevices;
1245 sh->max_lun = max_lun;
1249 sh->unique_id = ioc->id;
1251 /* Verify that we won't exceed the maximum
1252 * number of chain buffers
1253 * We can optimize: ZZ = req_sz/sizeof(SGE)
1255 * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ
1256 * + (req_sz - 64)/sizeof(SGE)
1257 * A slightly different algorithm is required for
1260 scale = ioc->req_sz/ioc->SGE_size;
1261 if (ioc->sg_addr_size == sizeof(u64)) {
1262 numSGE = (scale - 1) *
1263 (ioc->facts.MaxChainDepth-1) + scale +
1264 (ioc->req_sz - 60) / ioc->SGE_size;
1266 numSGE = 1 + (scale - 1) *
1267 (ioc->facts.MaxChainDepth-1) + scale +
1268 (ioc->req_sz - 64) / ioc->SGE_size;
1271 if (numSGE < sh->sg_tablesize) {
1272 /* Reset this value */
1273 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1274 "Resetting sg_tablesize to %d from %d\n",
1275 ioc->name, numSGE, sh->sg_tablesize));
1276 sh->sg_tablesize = numSGE;
1279 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1281 hd = shost_priv(sh);
1284 /* SCSI needs scsi_cmnd lookup table!
1285 * (with size equal to req_depth*PtrSz!)
1287 ioc->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC);
1288 if (!ioc->ScsiLookup) {
1290 goto out_mptfc_probe;
1292 spin_lock_init(&ioc->scsi_lookup_lock);
1294 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n",
1295 ioc->name, ioc->ScsiLookup));
1297 hd->last_queue_full = 0;
1299 sh->transportt = mptfc_transport_template;
1300 error = scsi_add_host (sh, &ioc->pcidev->dev);
1302 dprintk(ioc, printk(MYIOC_s_ERR_FMT
1303 "scsi_add_host failed\n", ioc->name));
1304 goto out_mptfc_probe;
1307 /* initialize workqueue */
1309 snprintf(ioc->fc_rescan_work_q_name, sizeof(ioc->fc_rescan_work_q_name),
1310 "mptfc_wq_%d", sh->host_no);
1311 ioc->fc_rescan_work_q =
1312 create_singlethread_workqueue(ioc->fc_rescan_work_q_name);
1313 if (!ioc->fc_rescan_work_q)
1314 goto out_mptfc_probe;
1317 * Pre-fetch FC port WWN and stuff...
1318 * (FCPortPage0_t stuff)
1320 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1321 (void) mptfc_GetFcPortPage0(ioc, ii);
1323 mptfc_SetFcPortPage1_defaults(ioc);
1327 * by doing it via the workqueue, some locking is eliminated
1330 queue_work(ioc->fc_rescan_work_q, &ioc->fc_rescan_work);
1331 flush_workqueue(ioc->fc_rescan_work_q);
1337 mptscsih_remove(pdev);
1341 static struct pci_driver mptfc_driver = {
1343 .id_table = mptfc_pci_table,
1344 .probe = mptfc_probe,
1345 .remove = __devexit_p(mptfc_remove),
1346 .shutdown = mptscsih_shutdown,
1348 .suspend = mptscsih_suspend,
1349 .resume = mptscsih_resume,
1354 mptfc_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
1357 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
1358 unsigned long flags;
1361 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n",
1364 if (ioc->sh == NULL ||
1365 ((hd = shost_priv(ioc->sh)) == NULL))
1369 case MPI_EVENT_RESCAN:
1370 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1371 if (ioc->fc_rescan_work_q) {
1372 queue_work(ioc->fc_rescan_work_q,
1373 &ioc->fc_rescan_work);
1375 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1377 case MPI_EVENT_LINK_STATUS_CHANGE:
1378 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1379 if (ioc->fc_rescan_work_q) {
1380 queue_work(ioc->fc_rescan_work_q,
1383 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1386 rc = mptscsih_event_process(ioc,pEvReply);
1393 mptfc_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
1396 unsigned long flags;
1398 rc = mptscsih_ioc_reset(ioc,reset_phase);
1403 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1404 ": IOC %s_reset routed to FC host driver!\n",ioc->name,
1405 reset_phase==MPT_IOC_SETUP_RESET ? "setup" : (
1406 reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post")));
1408 if (reset_phase == MPT_IOC_SETUP_RESET) {
1409 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1410 if (ioc->fc_rescan_work_q) {
1411 queue_work(ioc->fc_rescan_work_q,
1412 &ioc->fc_setup_reset_work);
1414 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1417 else if (reset_phase == MPT_IOC_PRE_RESET) {
1420 else { /* MPT_IOC_POST_RESET */
1421 mptfc_SetFcPortPage1_defaults(ioc);
1422 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1423 if (ioc->fc_rescan_work_q) {
1424 queue_work(ioc->fc_rescan_work_q,
1425 &ioc->fc_rescan_work);
1427 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1432 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1434 * mptfc_init - Register MPT adapter(s) as SCSI host(s) with SCSI mid-layer.
1436 * Returns 0 for success, non-zero for failure.
1443 show_mptmod_ver(my_NAME, my_VERSION);
1445 /* sanity check module parameters */
1446 if (mptfc_dev_loss_tmo <= 0)
1447 mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO;
1449 mptfc_transport_template =
1450 fc_attach_transport(&mptfc_transport_functions);
1452 if (!mptfc_transport_template)
1455 mptfcDoneCtx = mpt_register(mptscsih_io_done, MPTFC_DRIVER);
1456 mptfcTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTFC_DRIVER);
1457 mptfcInternalCtx = mpt_register(mptscsih_scandv_complete, MPTFC_DRIVER);
1459 mpt_event_register(mptfcDoneCtx, mptfc_event_process);
1460 mpt_reset_register(mptfcDoneCtx, mptfc_ioc_reset);
1462 error = pci_register_driver(&mptfc_driver);
1464 fc_release_transport(mptfc_transport_template);
1469 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1471 * mptfc_remove - Remove fc infrastructure for devices
1472 * @pdev: Pointer to pci_dev structure
1475 static void __devexit
1476 mptfc_remove(struct pci_dev *pdev)
1478 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1479 struct mptfc_rport_info *p, *n;
1480 struct workqueue_struct *work_q;
1481 unsigned long flags;
1484 /* destroy workqueue */
1485 if ((work_q=ioc->fc_rescan_work_q)) {
1486 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1487 ioc->fc_rescan_work_q = NULL;
1488 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1489 destroy_workqueue(work_q);
1492 fc_remove_host(ioc->sh);
1494 list_for_each_entry_safe(p, n, &ioc->fc_rports, list) {
1499 for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) {
1500 if (ioc->fc_data.fc_port_page1[ii].data) {
1501 pci_free_consistent(ioc->pcidev,
1502 ioc->fc_data.fc_port_page1[ii].pg_sz,
1503 (u8 *) ioc->fc_data.fc_port_page1[ii].data,
1504 ioc->fc_data.fc_port_page1[ii].dma);
1505 ioc->fc_data.fc_port_page1[ii].data = NULL;
1509 mptscsih_remove(pdev);
1512 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1513 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1515 * mptfc_exit - Unregisters MPT adapter(s)
1521 pci_unregister_driver(&mptfc_driver);
1522 fc_release_transport(mptfc_transport_template);
1524 mpt_reset_deregister(mptfcDoneCtx);
1525 mpt_event_deregister(mptfcDoneCtx);
1527 mpt_deregister(mptfcInternalCtx);
1528 mpt_deregister(mptfcTaskCtx);
1529 mpt_deregister(mptfcDoneCtx);
1532 module_init(mptfc_init);
1533 module_exit(mptfc_exit);