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_Host *shost, struct scsi_cmnd *SCpnt);
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 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);
108 static struct scsi_host_template mptfc_driver_template = {
109 .module = THIS_MODULE,
110 .proc_name = "mptfc",
111 .show_info = mptscsih_show_info,
112 .name = "MPT FC Host",
113 .info = mptscsih_info,
114 .queuecommand = mptfc_qcmd,
115 .target_alloc = mptfc_target_alloc,
116 .slave_alloc = mptfc_slave_alloc,
117 .slave_configure = mptscsih_slave_configure,
118 .target_destroy = mptfc_target_destroy,
119 .slave_destroy = mptscsih_slave_destroy,
120 .change_queue_depth = mptscsih_change_queue_depth,
121 .eh_timed_out = fc_eh_timed_out,
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 = mptscsih_host_reset,
126 .bios_param = mptscsih_bios_param,
127 .can_queue = MPT_FC_CAN_QUEUE,
129 .sg_tablesize = MPT_SCSI_SG_DEPTH,
132 .shost_attrs = mptscsih_host_attrs,
135 /****************************************************************************
139 static struct pci_device_id mptfc_pci_table[] = {
140 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC909,
141 PCI_ANY_ID, PCI_ANY_ID },
142 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC919,
143 PCI_ANY_ID, PCI_ANY_ID },
144 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC929,
145 PCI_ANY_ID, PCI_ANY_ID },
146 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC919X,
147 PCI_ANY_ID, PCI_ANY_ID },
148 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC929X,
149 PCI_ANY_ID, PCI_ANY_ID },
150 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC939X,
151 PCI_ANY_ID, PCI_ANY_ID },
152 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC949X,
153 PCI_ANY_ID, PCI_ANY_ID },
154 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC949E,
155 PCI_ANY_ID, PCI_ANY_ID },
156 { PCI_VENDOR_ID_BROCADE, MPI_MANUFACTPAGE_DEVICEID_FC949E,
157 PCI_ANY_ID, PCI_ANY_ID },
158 {0} /* Terminating entry */
160 MODULE_DEVICE_TABLE(pci, mptfc_pci_table);
162 static struct scsi_transport_template *mptfc_transport_template = NULL;
164 static struct fc_function_template mptfc_transport_functions = {
165 .dd_fcrport_size = 8,
166 .show_host_node_name = 1,
167 .show_host_port_name = 1,
168 .show_host_supported_classes = 1,
169 .show_host_port_id = 1,
170 .show_rport_supported_classes = 1,
171 .show_starget_node_name = 1,
172 .show_starget_port_name = 1,
173 .show_starget_port_id = 1,
174 .set_rport_dev_loss_tmo = mptfc_set_rport_loss_tmo,
175 .show_rport_dev_loss_tmo = 1,
176 .show_host_supported_speeds = 1,
177 .show_host_maxframe_size = 1,
178 .show_host_speed = 1,
179 .show_host_fabric_name = 1,
180 .show_host_port_type = 1,
181 .show_host_port_state = 1,
182 .show_host_symbolic_name = 1,
186 mptfc_block_error_handler(struct scsi_cmnd *SCpnt,
187 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 int loops = 40; /* seconds */
199 hd = shost_priv(SCpnt->device->host);
201 spin_lock_irqsave(shost->host_lock, flags);
202 while ((ready = fc_remote_port_chkready(rport) >> 16) == DID_IMM_RETRY
203 || (loops > 0 && ioc->active == 0)) {
204 spin_unlock_irqrestore(shost->host_lock, flags);
205 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
206 "mptfc_block_error_handler.%d: %d:%llu, port status is "
207 "%x, active flag %d, deferring %s recovery.\n",
208 ioc->name, ioc->sh->host_no,
209 SCpnt->device->id, SCpnt->device->lun,
210 ready, ioc->active, caller));
212 spin_lock_irqsave(shost->host_lock, flags);
215 spin_unlock_irqrestore(shost->host_lock, flags);
217 if (ready == DID_NO_CONNECT || !SCpnt->device->hostdata
218 || ioc->active == 0) {
219 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
220 "%s.%d: %d:%llu, failing recovery, "
221 "port state %x, active %d, vdevice %p.\n", caller,
222 ioc->name, ioc->sh->host_no,
223 SCpnt->device->id, SCpnt->device->lun, ready,
224 ioc->active, SCpnt->device->hostdata));
227 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
228 "%s.%d: %d:%llu, executing recovery.\n", caller,
229 ioc->name, ioc->sh->host_no,
230 SCpnt->device->id, SCpnt->device->lun));
231 return (*func)(SCpnt);
235 mptfc_abort(struct scsi_cmnd *SCpnt)
238 mptfc_block_error_handler(SCpnt, mptscsih_abort, __func__);
242 mptfc_dev_reset(struct scsi_cmnd *SCpnt)
245 mptfc_block_error_handler(SCpnt, mptscsih_dev_reset, __func__);
249 mptfc_bus_reset(struct scsi_cmnd *SCpnt)
252 mptfc_block_error_handler(SCpnt, mptscsih_bus_reset, __func__);
256 mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
259 rport->dev_loss_tmo = timeout;
261 rport->dev_loss_tmo = mptfc_dev_loss_tmo;
265 mptfc_FcDevPage0_cmp_func(const void *a, const void *b)
267 FCDevicePage0_t **aa = (FCDevicePage0_t **)a;
268 FCDevicePage0_t **bb = (FCDevicePage0_t **)b;
270 if ((*aa)->CurrentBus == (*bb)->CurrentBus) {
271 if ((*aa)->CurrentTargetID == (*bb)->CurrentTargetID)
273 if ((*aa)->CurrentTargetID < (*bb)->CurrentTargetID)
277 if ((*aa)->CurrentBus < (*bb)->CurrentBus)
283 mptfc_GetFcDevPage0(MPT_ADAPTER *ioc, int ioc_port,
284 void(*func)(MPT_ADAPTER *ioc,int channel, FCDevicePage0_t *arg))
286 ConfigPageHeader_t hdr;
288 FCDevicePage0_t *ppage0_alloc, *fc;
289 dma_addr_t page0_dma;
293 FCDevicePage0_t *p0_array=NULL, *p_p0;
294 FCDevicePage0_t **pp0_array=NULL, **p_pp0;
297 U32 port_id = 0xffffff;
299 int max_bus = ioc->facts.MaxBuses;
302 max_targ = (ioc->facts.MaxDevices == 0) ? 256 : ioc->facts.MaxDevices;
304 data_sz = sizeof(FCDevicePage0_t) * max_bus * max_targ;
305 p_p0 = p0_array = kzalloc(data_sz, GFP_KERNEL);
309 data_sz = sizeof(FCDevicePage0_t *) * max_bus * max_targ;
310 p_pp0 = pp0_array = kzalloc(data_sz, GFP_KERNEL);
315 /* Get FC Device Page 0 header */
319 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_DEVICE;
320 cfg.cfghdr.hdr = &hdr;
322 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
324 cfg.pageAddr = port_id;
327 if ((rc = mpt_config(ioc, &cfg)) != 0)
330 if (hdr.PageLength <= 0)
333 data_sz = hdr.PageLength * 4;
334 ppage0_alloc = pci_alloc_consistent(ioc->pcidev, data_sz,
340 cfg.physAddr = page0_dma;
341 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
343 if ((rc = mpt_config(ioc, &cfg)) == 0) {
344 ppage0_alloc->PortIdentifier =
345 le32_to_cpu(ppage0_alloc->PortIdentifier);
347 ppage0_alloc->WWNN.Low =
348 le32_to_cpu(ppage0_alloc->WWNN.Low);
350 ppage0_alloc->WWNN.High =
351 le32_to_cpu(ppage0_alloc->WWNN.High);
353 ppage0_alloc->WWPN.Low =
354 le32_to_cpu(ppage0_alloc->WWPN.Low);
356 ppage0_alloc->WWPN.High =
357 le32_to_cpu(ppage0_alloc->WWPN.High);
359 ppage0_alloc->BBCredit =
360 le16_to_cpu(ppage0_alloc->BBCredit);
362 ppage0_alloc->MaxRxFrameSize =
363 le16_to_cpu(ppage0_alloc->MaxRxFrameSize);
365 port_id = ppage0_alloc->PortIdentifier;
367 *p_p0 = *ppage0_alloc; /* save data */
368 *p_pp0++ = p_p0++; /* save addr */
370 pci_free_consistent(ioc->pcidev, data_sz,
371 (u8 *) ppage0_alloc, page0_dma);
375 } while (port_id <= 0xff0000);
380 sort (pp0_array, num_targ, sizeof(FCDevicePage0_t *),
381 mptfc_FcDevPage0_cmp_func, NULL);
382 /* call caller's func for each targ */
383 for (ii = 0; ii < num_targ; ii++) {
384 fc = *(pp0_array+ii);
385 func(ioc, ioc_port, fc);
396 mptfc_generate_rport_ids(FCDevicePage0_t *pg0, struct fc_rport_identifiers *rid)
398 /* not currently usable */
399 if (pg0->Flags & (MPI_FC_DEVICE_PAGE0_FLAGS_PLOGI_INVALID |
400 MPI_FC_DEVICE_PAGE0_FLAGS_PRLI_INVALID))
403 if (!(pg0->Flags & MPI_FC_DEVICE_PAGE0_FLAGS_TARGETID_BUS_VALID))
406 if (!(pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_TARGET))
410 * board data structure already normalized to platform endianness
411 * shifted to avoid unaligned access on 64 bit architecture
413 rid->node_name = ((u64)pg0->WWNN.High) << 32 | (u64)pg0->WWNN.Low;
414 rid->port_name = ((u64)pg0->WWPN.High) << 32 | (u64)pg0->WWPN.Low;
415 rid->port_id = pg0->PortIdentifier;
416 rid->roles = FC_RPORT_ROLE_UNKNOWN;
422 mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0)
424 struct fc_rport_identifiers rport_ids;
425 struct fc_rport *rport;
426 struct mptfc_rport_info *ri;
430 u32 roles = FC_RPORT_ROLE_UNKNOWN;
432 if (mptfc_generate_rport_ids(pg0, &rport_ids) < 0)
435 roles |= FC_RPORT_ROLE_FCP_TARGET;
436 if (pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_INITIATOR)
437 roles |= FC_RPORT_ROLE_FCP_INITIATOR;
439 /* scan list looking for a match */
440 list_for_each_entry(ri, &ioc->fc_rports, list) {
441 pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
442 if (pn == rport_ids.port_name) { /* match */
443 list_move_tail(&ri->list, &ioc->fc_rports);
448 if (new_ri) { /* allocate one */
449 ri = kzalloc(sizeof(struct mptfc_rport_info), GFP_KERNEL);
452 list_add_tail(&ri->list, &ioc->fc_rports);
455 ri->pg0 = *pg0; /* add/update pg0 data */
456 ri->flags &= ~MPT_RPORT_INFO_FLAGS_MISSING;
458 /* MPT_RPORT_INFO_FLAGS_REGISTERED - rport not previously deleted */
459 if (!(ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED)) {
460 ri->flags |= MPT_RPORT_INFO_FLAGS_REGISTERED;
461 rport = fc_remote_port_add(ioc->sh, channel, &rport_ids);
464 if (new_ri) /* may have been reset by user */
465 rport->dev_loss_tmo = mptfc_dev_loss_tmo;
467 * if already mapped, remap here. If not mapped,
468 * target_alloc will allocate vtarget and map,
469 * slave_alloc will fill in vdevice from vtarget.
472 vtarget = ri->starget->hostdata;
474 vtarget->id = pg0->CurrentTargetID;
475 vtarget->channel = pg0->CurrentBus;
476 vtarget->deleted = 0;
479 *((struct mptfc_rport_info **)rport->dd_data) = ri;
480 /* scan will be scheduled once rport becomes a target */
481 fc_remote_port_rolechg(rport,roles);
483 pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
484 nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low;
485 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
486 "mptfc_reg_dev.%d: %x, %llx / %llx, tid %d, "
487 "rport tid %d, tmo %d\n",
491 (unsigned long long)nn,
492 (unsigned long long)pn,
493 pg0->CurrentTargetID,
494 ri->rport->scsi_target_id,
495 ri->rport->dev_loss_tmo));
505 * OS entry point to allow for host driver to free allocated memory
506 * Called if no device present or device being unloaded
509 mptfc_target_destroy(struct scsi_target *starget)
511 struct fc_rport *rport;
512 struct mptfc_rport_info *ri;
514 rport = starget_to_rport(starget);
516 ri = *((struct mptfc_rport_info **)rport->dd_data);
517 if (ri) /* better be! */
520 kfree(starget->hostdata);
521 starget->hostdata = NULL;
525 * OS entry point to allow host driver to alloc memory
526 * for each scsi target. Called once per device the bus scan.
527 * Return non-zero if allocation fails.
530 mptfc_target_alloc(struct scsi_target *starget)
533 struct fc_rport *rport;
534 struct mptfc_rport_info *ri;
537 vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL);
540 starget->hostdata = vtarget;
543 rport = starget_to_rport(starget);
545 ri = *((struct mptfc_rport_info **)rport->dd_data);
546 if (ri) { /* better be! */
547 vtarget->id = ri->pg0.CurrentTargetID;
548 vtarget->channel = ri->pg0.CurrentBus;
549 ri->starget = starget;
555 starget->hostdata = NULL;
561 * mptfc_dump_lun_info
568 mptfc_dump_lun_info(MPT_ADAPTER *ioc, struct fc_rport *rport, struct scsi_device *sdev,
572 struct mptfc_rport_info *ri;
574 ri = *((struct mptfc_rport_info **)rport->dd_data);
575 pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
576 nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low;
577 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
578 "mptfc_slv_alloc.%d: num_luns %d, sdev.id %d, "
579 "CurrentTargetID %d, %x %llx %llx\n",
583 sdev->id, ri->pg0.CurrentTargetID,
584 ri->pg0.PortIdentifier,
585 (unsigned long long)pn,
586 (unsigned long long)nn));
591 * OS entry point to allow host driver to alloc memory
592 * for each scsi device. Called once per device the bus scan.
593 * Return non-zero if allocation fails.
594 * Init memory once per LUN.
597 mptfc_slave_alloc(struct scsi_device *sdev)
602 struct scsi_target *starget;
603 struct fc_rport *rport;
606 starget = scsi_target(sdev);
607 rport = starget_to_rport(starget);
609 if (!rport || fc_remote_port_chkready(rport))
612 hd = shost_priv(sdev->host);
615 vdevice = kzalloc(sizeof(VirtDevice), GFP_KERNEL);
617 printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n",
618 ioc->name, sizeof(VirtDevice));
623 sdev->hostdata = vdevice;
624 vtarget = starget->hostdata;
626 if (vtarget->num_luns == 0) {
627 vtarget->ioc_id = ioc->id;
628 vtarget->tflags = MPT_TARGET_FLAGS_Q_YES;
631 vdevice->vtarget = vtarget;
632 vdevice->lun = sdev->lun;
637 mptfc_dump_lun_info(ioc, rport, sdev, vtarget);
643 mptfc_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *SCpnt)
645 struct mptfc_rport_info *ri;
646 struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device));
648 VirtDevice *vdevice = SCpnt->device->hostdata;
650 if (!vdevice || !vdevice->vtarget) {
651 SCpnt->result = DID_NO_CONNECT << 16;
652 SCpnt->scsi_done(SCpnt);
656 err = fc_remote_port_chkready(rport);
659 SCpnt->scsi_done(SCpnt);
663 /* dd_data is null until finished adding target */
664 ri = *((struct mptfc_rport_info **)rport->dd_data);
666 SCpnt->result = DID_IMM_RETRY << 16;
667 SCpnt->scsi_done(SCpnt);
671 return mptscsih_qcmd(SCpnt);
675 * mptfc_display_port_link_speed - displaying link speed
676 * @ioc: Pointer to MPT_ADAPTER structure
677 * @portnum: IOC Port number
678 * @pp0dest: port page0 data payload
682 mptfc_display_port_link_speed(MPT_ADAPTER *ioc, int portnum, FCPortPage0_t *pp0dest)
684 u8 old_speed, new_speed, state;
690 old_speed = ioc->fc_link_speed[portnum];
691 new_speed = pp0dest->CurrentSpeed;
692 state = pp0dest->PortState;
694 if (state != MPI_FCPORTPAGE0_PORTSTATE_OFFLINE &&
695 new_speed != MPI_FCPORTPAGE0_CURRENT_SPEED_UNKNOWN) {
697 old = old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT ? "1 Gbps" :
698 old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT ? "2 Gbps" :
699 old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT ? "4 Gbps" :
701 new = new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT ? "1 Gbps" :
702 new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT ? "2 Gbps" :
703 new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT ? "4 Gbps" :
706 printk(MYIOC_s_NOTE_FMT
707 "FC Link Established, Speed = %s\n",
709 else if (old_speed != new_speed)
710 printk(MYIOC_s_WARN_FMT
711 "FC Link Speed Change, Old Speed = %s, New Speed = %s\n",
712 ioc->name, old, new);
714 ioc->fc_link_speed[portnum] = new_speed;
719 * mptfc_GetFcPortPage0 - Fetch FCPort config Page0.
720 * @ioc: Pointer to MPT_ADAPTER structure
721 * @portnum: IOC Port number
723 * Return: 0 for success
724 * -ENOMEM if no memory available
725 * -EPERM if not allowed due to ISR context
726 * -EAGAIN if no msg frames currently available
727 * -EFAULT for non-successful reply or no reply (timeout)
728 * -EINVAL portnum arg out of range (hardwired to two elements)
731 mptfc_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
733 ConfigPageHeader_t hdr;
735 FCPortPage0_t *ppage0_alloc;
736 FCPortPage0_t *pp0dest;
737 dma_addr_t page0_dma;
746 /* Get FCPort Page 0 header */
750 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
751 cfg.cfghdr.hdr = &hdr;
753 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
755 cfg.pageAddr = portnum;
758 if ((rc = mpt_config(ioc, &cfg)) != 0)
761 if (hdr.PageLength == 0)
764 data_sz = hdr.PageLength * 4;
766 ppage0_alloc = pci_alloc_consistent(ioc->pcidev, data_sz, &page0_dma);
770 memset((u8 *)ppage0_alloc, 0, data_sz);
771 cfg.physAddr = page0_dma;
772 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
774 if ((rc = mpt_config(ioc, &cfg)) == 0) {
776 pp0dest = &ioc->fc_port_page0[portnum];
777 copy_sz = min_t(int, sizeof(FCPortPage0_t), data_sz);
778 memcpy(pp0dest, ppage0_alloc, copy_sz);
781 * Normalize endianness of structure data,
782 * by byte-swapping all > 1 byte fields!
784 pp0dest->Flags = le32_to_cpu(pp0dest->Flags);
785 pp0dest->PortIdentifier = le32_to_cpu(pp0dest->PortIdentifier);
786 pp0dest->WWNN.Low = le32_to_cpu(pp0dest->WWNN.Low);
787 pp0dest->WWNN.High = le32_to_cpu(pp0dest->WWNN.High);
788 pp0dest->WWPN.Low = le32_to_cpu(pp0dest->WWPN.Low);
789 pp0dest->WWPN.High = le32_to_cpu(pp0dest->WWPN.High);
790 pp0dest->SupportedServiceClass = le32_to_cpu(pp0dest->SupportedServiceClass);
791 pp0dest->SupportedSpeeds = le32_to_cpu(pp0dest->SupportedSpeeds);
792 pp0dest->CurrentSpeed = le32_to_cpu(pp0dest->CurrentSpeed);
793 pp0dest->MaxFrameSize = le32_to_cpu(pp0dest->MaxFrameSize);
794 pp0dest->FabricWWNN.Low = le32_to_cpu(pp0dest->FabricWWNN.Low);
795 pp0dest->FabricWWNN.High = le32_to_cpu(pp0dest->FabricWWNN.High);
796 pp0dest->FabricWWPN.Low = le32_to_cpu(pp0dest->FabricWWPN.Low);
797 pp0dest->FabricWWPN.High = le32_to_cpu(pp0dest->FabricWWPN.High);
798 pp0dest->DiscoveredPortsCount = le32_to_cpu(pp0dest->DiscoveredPortsCount);
799 pp0dest->MaxInitiators = le32_to_cpu(pp0dest->MaxInitiators);
802 * if still doing discovery,
803 * hang loose a while until finished
805 if ((pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_UNKNOWN) ||
806 (pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE &&
807 (pp0dest->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_TYPE_MASK)
808 == MPI_FCPORTPAGE0_FLAGS_ATTACH_NO_INIT)) {
813 printk(MYIOC_s_INFO_FMT "Firmware discovery not"
817 mptfc_display_port_link_speed(ioc, portnum, pp0dest);
820 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage0_alloc, page0_dma);
827 mptfc_WriteFcPortPage1(MPT_ADAPTER *ioc, int portnum)
829 ConfigPageHeader_t hdr;
836 if (!(ioc->fc_data.fc_port_page1[portnum].data))
839 /* get fcport page 1 header */
843 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
844 cfg.cfghdr.hdr = &hdr;
846 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
848 cfg.pageAddr = portnum;
851 if ((rc = mpt_config(ioc, &cfg)) != 0)
854 if (hdr.PageLength == 0)
857 if (hdr.PageLength*4 != ioc->fc_data.fc_port_page1[portnum].pg_sz)
860 cfg.physAddr = ioc->fc_data.fc_port_page1[portnum].dma;
861 cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
864 rc = mpt_config(ioc, &cfg);
870 mptfc_GetFcPortPage1(MPT_ADAPTER *ioc, int portnum)
872 ConfigPageHeader_t hdr;
874 FCPortPage1_t *page1_alloc;
875 dma_addr_t page1_dma;
882 /* get fcport page 1 header */
886 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
887 cfg.cfghdr.hdr = &hdr;
889 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
891 cfg.pageAddr = portnum;
894 if ((rc = mpt_config(ioc, &cfg)) != 0)
897 if (hdr.PageLength == 0)
902 if (ioc->fc_data.fc_port_page1[portnum].data == NULL) {
903 data_sz = hdr.PageLength * 4;
904 if (data_sz < sizeof(FCPortPage1_t))
905 data_sz = sizeof(FCPortPage1_t);
907 page1_alloc = pci_alloc_consistent(ioc->pcidev,
914 page1_alloc = ioc->fc_data.fc_port_page1[portnum].data;
915 page1_dma = ioc->fc_data.fc_port_page1[portnum].dma;
916 data_sz = ioc->fc_data.fc_port_page1[portnum].pg_sz;
917 if (hdr.PageLength * 4 > data_sz) {
918 ioc->fc_data.fc_port_page1[portnum].data = NULL;
919 pci_free_consistent(ioc->pcidev, data_sz, (u8 *)
920 page1_alloc, page1_dma);
925 cfg.physAddr = page1_dma;
926 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
928 if ((rc = mpt_config(ioc, &cfg)) == 0) {
929 ioc->fc_data.fc_port_page1[portnum].data = page1_alloc;
930 ioc->fc_data.fc_port_page1[portnum].pg_sz = data_sz;
931 ioc->fc_data.fc_port_page1[portnum].dma = page1_dma;
934 ioc->fc_data.fc_port_page1[portnum].data = NULL;
935 pci_free_consistent(ioc->pcidev, data_sz, (u8 *)
936 page1_alloc, page1_dma);
943 mptfc_SetFcPortPage1_defaults(MPT_ADAPTER *ioc)
948 #define MPTFC_FW_DEVICE_TIMEOUT (1)
949 #define MPTFC_FW_IO_PEND_TIMEOUT (1)
950 #define ON_FLAGS (MPI_FCPORTPAGE1_FLAGS_IMMEDIATE_ERROR_REPLY)
951 #define OFF_FLAGS (MPI_FCPORTPAGE1_FLAGS_VERBOSE_RESCAN_EVENTS)
953 for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) {
954 if (mptfc_GetFcPortPage1(ioc, ii) != 0)
956 pp1 = ioc->fc_data.fc_port_page1[ii].data;
957 if ((pp1->InitiatorDeviceTimeout == MPTFC_FW_DEVICE_TIMEOUT)
958 && (pp1->InitiatorIoPendTimeout == MPTFC_FW_IO_PEND_TIMEOUT)
959 && ((pp1->Flags & ON_FLAGS) == ON_FLAGS)
960 && ((pp1->Flags & OFF_FLAGS) == 0))
962 pp1->InitiatorDeviceTimeout = MPTFC_FW_DEVICE_TIMEOUT;
963 pp1->InitiatorIoPendTimeout = MPTFC_FW_IO_PEND_TIMEOUT;
964 pp1->Flags &= ~OFF_FLAGS;
965 pp1->Flags |= ON_FLAGS;
966 mptfc_WriteFcPortPage1(ioc, ii);
972 mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum)
980 struct Scsi_Host *sh;
983 /* don't know what to do as only one scsi (fc) host was allocated */
987 pp0 = &ioc->fc_port_page0[portnum];
990 sn = fc_host_symbolic_name(sh);
991 snprintf(sn, FC_SYMBOLIC_NAME_SIZE, "%s %s%08xh",
993 MPT_FW_REV_MAGIC_ID_STRING,
994 ioc->facts.FWVersion.Word);
996 fc_host_tgtid_bind_type(sh) = FC_TGTID_BIND_BY_WWPN;
998 fc_host_maxframe_size(sh) = pp0->MaxFrameSize;
1000 fc_host_node_name(sh) =
1001 (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low;
1003 fc_host_port_name(sh) =
1004 (u64)pp0->WWPN.High << 32 | (u64)pp0->WWPN.Low;
1006 fc_host_port_id(sh) = pp0->PortIdentifier;
1008 class = pp0->SupportedServiceClass;
1009 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_1)
1010 cos |= FC_COS_CLASS1;
1011 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_2)
1012 cos |= FC_COS_CLASS2;
1013 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_3)
1014 cos |= FC_COS_CLASS3;
1015 fc_host_supported_classes(sh) = cos;
1017 if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT)
1018 speed = FC_PORTSPEED_1GBIT;
1019 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT)
1020 speed = FC_PORTSPEED_2GBIT;
1021 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT)
1022 speed = FC_PORTSPEED_4GBIT;
1023 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_10GBIT)
1024 speed = FC_PORTSPEED_10GBIT;
1026 speed = FC_PORTSPEED_UNKNOWN;
1027 fc_host_speed(sh) = speed;
1030 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_1GBIT_SPEED)
1031 speed |= FC_PORTSPEED_1GBIT;
1032 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_2GBIT_SPEED)
1033 speed |= FC_PORTSPEED_2GBIT;
1034 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_4GBIT_SPEED)
1035 speed |= FC_PORTSPEED_4GBIT;
1036 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_10GBIT_SPEED)
1037 speed |= FC_PORTSPEED_10GBIT;
1038 fc_host_supported_speeds(sh) = speed;
1040 port_state = FC_PORTSTATE_UNKNOWN;
1041 if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE)
1042 port_state = FC_PORTSTATE_ONLINE;
1043 else if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_OFFLINE)
1044 port_state = FC_PORTSTATE_LINKDOWN;
1045 fc_host_port_state(sh) = port_state;
1047 port_type = FC_PORTTYPE_UNKNOWN;
1048 if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_POINT_TO_POINT)
1049 port_type = FC_PORTTYPE_PTP;
1050 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PRIVATE_LOOP)
1051 port_type = FC_PORTTYPE_LPORT;
1052 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PUBLIC_LOOP)
1053 port_type = FC_PORTTYPE_NLPORT;
1054 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_FABRIC_DIRECT)
1055 port_type = FC_PORTTYPE_NPORT;
1056 fc_host_port_type(sh) = port_type;
1058 fc_host_fabric_name(sh) =
1059 (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_FABRIC_WWN_VALID) ?
1060 (u64) pp0->FabricWWNN.High << 32 | (u64) pp0->FabricWWPN.Low :
1061 (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low;
1066 mptfc_link_status_change(struct work_struct *work)
1069 container_of(work, MPT_ADAPTER, fc_rescan_work);
1072 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++)
1073 (void) mptfc_GetFcPortPage0(ioc, ii);
1078 mptfc_setup_reset(struct work_struct *work)
1081 container_of(work, MPT_ADAPTER, fc_setup_reset_work);
1083 struct mptfc_rport_info *ri;
1084 struct scsi_target *starget;
1085 VirtTarget *vtarget;
1087 /* reset about to happen, delete (block) all rports */
1088 list_for_each_entry(ri, &ioc->fc_rports, list) {
1089 if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) {
1090 ri->flags &= ~MPT_RPORT_INFO_FLAGS_REGISTERED;
1091 fc_remote_port_delete(ri->rport); /* won't sleep */
1093 starget = ri->starget;
1095 vtarget = starget->hostdata;
1097 vtarget->deleted = 1;
1100 pn = (u64)ri->pg0.WWPN.High << 32 |
1101 (u64)ri->pg0.WWPN.Low;
1102 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
1103 "mptfc_setup_reset.%d: %llx deleted\n",
1106 (unsigned long long)pn));
1112 mptfc_rescan_devices(struct work_struct *work)
1115 container_of(work, MPT_ADAPTER, fc_rescan_work);
1118 struct mptfc_rport_info *ri;
1119 struct scsi_target *starget;
1120 VirtTarget *vtarget;
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 */
1148 starget = ri->starget;
1150 vtarget = starget->hostdata;
1152 vtarget->deleted = 1;
1155 pn = (u64)ri->pg0.WWPN.High << 32 |
1156 (u64)ri->pg0.WWPN.Low;
1157 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
1158 "mptfc_rescan.%d: %llx deleted\n",
1161 (unsigned long long)pn));
1167 mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
1169 struct Scsi_Host *sh;
1172 unsigned long flags;
1180 if ((r = mpt_attach(pdev,id)) != 0)
1183 ioc = pci_get_drvdata(pdev);
1184 ioc->DoneCtx = mptfcDoneCtx;
1185 ioc->TaskCtx = mptfcTaskCtx;
1186 ioc->InternalCtx = mptfcInternalCtx;
1188 /* Added sanity check on readiness of the MPT adapter.
1190 if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) {
1191 printk(MYIOC_s_WARN_FMT
1192 "Skipping because it's not operational!\n",
1195 goto out_mptfc_probe;
1199 printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n",
1202 goto out_mptfc_probe;
1205 /* Sanity check - ensure at least 1 port is INITIATOR capable
1208 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1209 if (ioc->pfacts[ii].ProtocolFlags &
1210 MPI_PORTFACTS_PROTOCOL_INITIATOR)
1215 printk(MYIOC_s_WARN_FMT
1216 "Skipping ioc=%p because SCSI Initiator mode is NOT enabled!\n",
1221 sh = scsi_host_alloc(&mptfc_driver_template, sizeof(MPT_SCSI_HOST));
1224 printk(MYIOC_s_WARN_FMT
1225 "Unable to register controller with SCSI subsystem\n",
1228 goto out_mptfc_probe;
1231 spin_lock_init(&ioc->fc_rescan_work_lock);
1232 INIT_WORK(&ioc->fc_rescan_work, mptfc_rescan_devices);
1233 INIT_WORK(&ioc->fc_setup_reset_work, mptfc_setup_reset);
1234 INIT_WORK(&ioc->fc_lsc_work, mptfc_link_status_change);
1236 spin_lock_irqsave(&ioc->FreeQlock, flags);
1238 /* Attach the SCSI Host to the IOC structure
1246 /* set 16 byte cdb's */
1247 sh->max_cmd_len = 16;
1249 sh->max_id = ioc->pfacts->MaxDevices;
1250 sh->max_lun = max_lun;
1254 sh->unique_id = ioc->id;
1256 /* Verify that we won't exceed the maximum
1257 * number of chain buffers
1258 * We can optimize: ZZ = req_sz/sizeof(SGE)
1260 * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ
1261 * + (req_sz - 64)/sizeof(SGE)
1262 * A slightly different algorithm is required for
1265 scale = ioc->req_sz/ioc->SGE_size;
1266 if (ioc->sg_addr_size == sizeof(u64)) {
1267 numSGE = (scale - 1) *
1268 (ioc->facts.MaxChainDepth-1) + scale +
1269 (ioc->req_sz - 60) / ioc->SGE_size;
1271 numSGE = 1 + (scale - 1) *
1272 (ioc->facts.MaxChainDepth-1) + scale +
1273 (ioc->req_sz - 64) / ioc->SGE_size;
1276 if (numSGE < sh->sg_tablesize) {
1277 /* Reset this value */
1278 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1279 "Resetting sg_tablesize to %d from %d\n",
1280 ioc->name, numSGE, sh->sg_tablesize));
1281 sh->sg_tablesize = numSGE;
1284 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1286 hd = shost_priv(sh);
1289 /* SCSI needs scsi_cmnd lookup table!
1290 * (with size equal to req_depth*PtrSz!)
1292 ioc->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_KERNEL);
1293 if (!ioc->ScsiLookup) {
1295 goto out_mptfc_probe;
1297 spin_lock_init(&ioc->scsi_lookup_lock);
1299 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n",
1300 ioc->name, ioc->ScsiLookup));
1302 hd->last_queue_full = 0;
1304 sh->transportt = mptfc_transport_template;
1305 error = scsi_add_host (sh, &ioc->pcidev->dev);
1307 dprintk(ioc, printk(MYIOC_s_ERR_FMT
1308 "scsi_add_host failed\n", ioc->name));
1309 goto out_mptfc_probe;
1312 /* initialize workqueue */
1314 snprintf(ioc->fc_rescan_work_q_name, sizeof(ioc->fc_rescan_work_q_name),
1315 "mptfc_wq_%d", sh->host_no);
1316 ioc->fc_rescan_work_q =
1317 alloc_ordered_workqueue(ioc->fc_rescan_work_q_name,
1319 if (!ioc->fc_rescan_work_q) {
1321 goto out_mptfc_host;
1325 * Pre-fetch FC port WWN and stuff...
1326 * (FCPortPage0_t stuff)
1328 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1329 (void) mptfc_GetFcPortPage0(ioc, ii);
1331 mptfc_SetFcPortPage1_defaults(ioc);
1335 * by doing it via the workqueue, some locking is eliminated
1338 queue_work(ioc->fc_rescan_work_q, &ioc->fc_rescan_work);
1339 flush_workqueue(ioc->fc_rescan_work_q);
1344 scsi_remove_host(sh);
1348 mptscsih_remove(pdev);
1352 static struct pci_driver mptfc_driver = {
1354 .id_table = mptfc_pci_table,
1355 .probe = mptfc_probe,
1356 .remove = mptfc_remove,
1357 .shutdown = mptscsih_shutdown,
1359 .suspend = mptscsih_suspend,
1360 .resume = mptscsih_resume,
1365 mptfc_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
1368 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
1369 unsigned long flags;
1372 if (ioc->bus_type != FC)
1375 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n",
1378 if (ioc->sh == NULL ||
1379 ((hd = shost_priv(ioc->sh)) == NULL))
1383 case MPI_EVENT_RESCAN:
1384 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1385 if (ioc->fc_rescan_work_q) {
1386 queue_work(ioc->fc_rescan_work_q,
1387 &ioc->fc_rescan_work);
1389 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1391 case MPI_EVENT_LINK_STATUS_CHANGE:
1392 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1393 if (ioc->fc_rescan_work_q) {
1394 queue_work(ioc->fc_rescan_work_q,
1397 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1400 rc = mptscsih_event_process(ioc,pEvReply);
1407 mptfc_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
1410 unsigned long flags;
1412 rc = mptscsih_ioc_reset(ioc,reset_phase);
1413 if ((ioc->bus_type != FC) || (!rc))
1417 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1418 ": IOC %s_reset routed to FC host driver!\n",ioc->name,
1419 reset_phase==MPT_IOC_SETUP_RESET ? "setup" : (
1420 reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post")));
1422 if (reset_phase == MPT_IOC_SETUP_RESET) {
1423 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1424 if (ioc->fc_rescan_work_q) {
1425 queue_work(ioc->fc_rescan_work_q,
1426 &ioc->fc_setup_reset_work);
1428 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1431 else if (reset_phase == MPT_IOC_PRE_RESET) {
1434 else { /* MPT_IOC_POST_RESET */
1435 mptfc_SetFcPortPage1_defaults(ioc);
1436 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1437 if (ioc->fc_rescan_work_q) {
1438 queue_work(ioc->fc_rescan_work_q,
1439 &ioc->fc_rescan_work);
1441 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1446 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1448 * mptfc_init - Register MPT adapter(s) as SCSI host(s) with SCSI mid-layer.
1450 * Returns 0 for success, non-zero for failure.
1457 show_mptmod_ver(my_NAME, my_VERSION);
1459 /* sanity check module parameters */
1460 if (mptfc_dev_loss_tmo <= 0)
1461 mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO;
1463 mptfc_transport_template =
1464 fc_attach_transport(&mptfc_transport_functions);
1466 if (!mptfc_transport_template)
1469 mptfcDoneCtx = mpt_register(mptscsih_io_done, MPTFC_DRIVER,
1470 "mptscsih_scandv_complete");
1471 mptfcTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTFC_DRIVER,
1472 "mptscsih_scandv_complete");
1473 mptfcInternalCtx = mpt_register(mptscsih_scandv_complete, MPTFC_DRIVER,
1474 "mptscsih_scandv_complete");
1476 mpt_event_register(mptfcDoneCtx, mptfc_event_process);
1477 mpt_reset_register(mptfcDoneCtx, mptfc_ioc_reset);
1479 error = pci_register_driver(&mptfc_driver);
1481 fc_release_transport(mptfc_transport_template);
1486 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1488 * mptfc_remove - Remove fc infrastructure for devices
1489 * @pdev: Pointer to pci_dev structure
1492 static void mptfc_remove(struct pci_dev *pdev)
1494 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1495 struct mptfc_rport_info *p, *n;
1496 struct workqueue_struct *work_q;
1497 unsigned long flags;
1500 /* destroy workqueue */
1501 if ((work_q=ioc->fc_rescan_work_q)) {
1502 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1503 ioc->fc_rescan_work_q = NULL;
1504 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1505 destroy_workqueue(work_q);
1508 fc_remove_host(ioc->sh);
1510 list_for_each_entry_safe(p, n, &ioc->fc_rports, list) {
1515 for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) {
1516 if (ioc->fc_data.fc_port_page1[ii].data) {
1517 pci_free_consistent(ioc->pcidev,
1518 ioc->fc_data.fc_port_page1[ii].pg_sz,
1519 (u8 *) ioc->fc_data.fc_port_page1[ii].data,
1520 ioc->fc_data.fc_port_page1[ii].dma);
1521 ioc->fc_data.fc_port_page1[ii].data = NULL;
1525 scsi_remove_host(ioc->sh);
1527 mptscsih_remove(pdev);
1530 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1531 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1533 * mptfc_exit - Unregisters MPT adapter(s)
1539 pci_unregister_driver(&mptfc_driver);
1540 fc_release_transport(mptfc_transport_template);
1542 mpt_reset_deregister(mptfcDoneCtx);
1543 mpt_event_deregister(mptfcDoneCtx);
1545 mpt_deregister(mptfcInternalCtx);
1546 mpt_deregister(mptfcTaskCtx);
1547 mpt_deregister(mptfcDoneCtx);
1550 module_init(mptfc_init);
1551 module_exit(mptfc_exit);