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>
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 const 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_groups = mptscsih_host_attr_groups,
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 fc_rport *rport)
189 struct Scsi_Host *shost = rport_to_shost(rport);
193 int loops = 40; /* seconds */
195 hd = shost_priv(shost);
197 spin_lock_irqsave(shost->host_lock, flags);
198 while ((ready = fc_remote_port_chkready(rport) >> 16) == DID_IMM_RETRY
199 || (loops > 0 && ioc->active == 0)) {
200 spin_unlock_irqrestore(shost->host_lock, flags);
201 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
202 "mptfc_block_error_handler.%d: %s, port status is "
203 "%x, active flag %d, deferring recovery.\n",
204 ioc->name, ioc->sh->host_no,
205 dev_name(&rport->dev), ready, ioc->active));
207 spin_lock_irqsave(shost->host_lock, flags);
210 spin_unlock_irqrestore(shost->host_lock, flags);
212 if (ready == DID_NO_CONNECT || ioc->active == 0) {
213 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
214 "mpt_block_error_handler.%d: %s, failing recovery, "
215 "port state %x, active %d.\n",
216 ioc->name, ioc->sh->host_no,
217 dev_name(&rport->dev), ready, ioc->active));
224 mptfc_abort(struct scsi_cmnd *SCpnt)
226 struct Scsi_Host *shost = SCpnt->device->host;
227 struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device));
228 MPT_SCSI_HOST __maybe_unused *hd = shost_priv(shost);
231 rtn = mptfc_block_error_handler(rport);
232 if (rtn == SUCCESS) {
233 dfcprintk (hd->ioc, printk(MYIOC_s_DEBUG_FMT
234 "%s.%d: %d:%llu, executing recovery.\n", __func__,
235 hd->ioc->name, shost->host_no,
236 SCpnt->device->id, SCpnt->device->lun));
237 rtn = mptscsih_abort(SCpnt);
243 mptfc_dev_reset(struct scsi_cmnd *SCpnt)
245 struct Scsi_Host *shost = SCpnt->device->host;
246 struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device));
247 MPT_SCSI_HOST __maybe_unused *hd = shost_priv(shost);
250 rtn = mptfc_block_error_handler(rport);
251 if (rtn == SUCCESS) {
252 dfcprintk (hd->ioc, printk(MYIOC_s_DEBUG_FMT
253 "%s.%d: %d:%llu, executing recovery.\n", __func__,
254 hd->ioc->name, shost->host_no,
255 SCpnt->device->id, SCpnt->device->lun));
256 rtn = mptscsih_dev_reset(SCpnt);
262 mptfc_bus_reset(struct scsi_cmnd *SCpnt)
264 struct Scsi_Host *shost = SCpnt->device->host;
265 MPT_SCSI_HOST __maybe_unused *hd = shost_priv(shost);
266 int channel = SCpnt->device->channel;
267 struct mptfc_rport_info *ri;
270 list_for_each_entry(ri, &hd->ioc->fc_rports, list) {
271 if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) {
272 VirtTarget *vtarget = ri->starget->hostdata;
274 if (!vtarget || vtarget->channel != channel)
276 rtn = fc_block_rport(ri->rport);
282 dfcprintk (hd->ioc, printk(MYIOC_s_DEBUG_FMT
283 "%s.%d: %d:%llu, executing recovery.\n", __func__,
284 hd->ioc->name, shost->host_no,
285 SCpnt->device->id, SCpnt->device->lun));
286 rtn = mptscsih_bus_reset(SCpnt);
292 mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
295 rport->dev_loss_tmo = timeout;
297 rport->dev_loss_tmo = mptfc_dev_loss_tmo;
301 mptfc_FcDevPage0_cmp_func(const void *a, const void *b)
303 FCDevicePage0_t **aa = (FCDevicePage0_t **)a;
304 FCDevicePage0_t **bb = (FCDevicePage0_t **)b;
306 if ((*aa)->CurrentBus == (*bb)->CurrentBus) {
307 if ((*aa)->CurrentTargetID == (*bb)->CurrentTargetID)
309 if ((*aa)->CurrentTargetID < (*bb)->CurrentTargetID)
313 if ((*aa)->CurrentBus < (*bb)->CurrentBus)
319 mptfc_GetFcDevPage0(MPT_ADAPTER *ioc, int ioc_port,
320 void(*func)(MPT_ADAPTER *ioc,int channel, FCDevicePage0_t *arg))
322 ConfigPageHeader_t hdr;
324 FCDevicePage0_t *ppage0_alloc, *fc;
325 dma_addr_t page0_dma;
329 FCDevicePage0_t *p0_array=NULL, *p_p0;
330 FCDevicePage0_t **pp0_array=NULL, **p_pp0;
333 U32 port_id = 0xffffff;
335 int max_bus = ioc->facts.MaxBuses;
338 max_targ = (ioc->facts.MaxDevices == 0) ? 256 : ioc->facts.MaxDevices;
340 data_sz = sizeof(FCDevicePage0_t) * max_bus * max_targ;
341 p_p0 = p0_array = kzalloc(data_sz, GFP_KERNEL);
345 data_sz = sizeof(FCDevicePage0_t *) * max_bus * max_targ;
346 p_pp0 = pp0_array = kzalloc(data_sz, GFP_KERNEL);
351 /* Get FC Device Page 0 header */
355 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_DEVICE;
356 cfg.cfghdr.hdr = &hdr;
358 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
360 cfg.pageAddr = port_id;
363 if ((rc = mpt_config(ioc, &cfg)) != 0)
366 if (hdr.PageLength <= 0)
369 data_sz = hdr.PageLength * 4;
370 ppage0_alloc = dma_alloc_coherent(&ioc->pcidev->dev, data_sz,
371 &page0_dma, GFP_KERNEL);
376 cfg.physAddr = page0_dma;
377 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
379 if ((rc = mpt_config(ioc, &cfg)) == 0) {
380 ppage0_alloc->PortIdentifier =
381 le32_to_cpu(ppage0_alloc->PortIdentifier);
383 ppage0_alloc->WWNN.Low =
384 le32_to_cpu(ppage0_alloc->WWNN.Low);
386 ppage0_alloc->WWNN.High =
387 le32_to_cpu(ppage0_alloc->WWNN.High);
389 ppage0_alloc->WWPN.Low =
390 le32_to_cpu(ppage0_alloc->WWPN.Low);
392 ppage0_alloc->WWPN.High =
393 le32_to_cpu(ppage0_alloc->WWPN.High);
395 ppage0_alloc->BBCredit =
396 le16_to_cpu(ppage0_alloc->BBCredit);
398 ppage0_alloc->MaxRxFrameSize =
399 le16_to_cpu(ppage0_alloc->MaxRxFrameSize);
401 port_id = ppage0_alloc->PortIdentifier;
403 *p_p0 = *ppage0_alloc; /* save data */
404 *p_pp0++ = p_p0++; /* save addr */
406 dma_free_coherent(&ioc->pcidev->dev, data_sz,
407 ppage0_alloc, page0_dma);
411 } while (port_id <= 0xff0000);
416 sort (pp0_array, num_targ, sizeof(FCDevicePage0_t *),
417 mptfc_FcDevPage0_cmp_func, NULL);
418 /* call caller's func for each targ */
419 for (ii = 0; ii < num_targ; ii++) {
420 fc = *(pp0_array+ii);
421 func(ioc, ioc_port, fc);
432 mptfc_generate_rport_ids(FCDevicePage0_t *pg0, struct fc_rport_identifiers *rid)
434 /* not currently usable */
435 if (pg0->Flags & (MPI_FC_DEVICE_PAGE0_FLAGS_PLOGI_INVALID |
436 MPI_FC_DEVICE_PAGE0_FLAGS_PRLI_INVALID))
439 if (!(pg0->Flags & MPI_FC_DEVICE_PAGE0_FLAGS_TARGETID_BUS_VALID))
442 if (!(pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_TARGET))
446 * board data structure already normalized to platform endianness
447 * shifted to avoid unaligned access on 64 bit architecture
449 rid->node_name = ((u64)pg0->WWNN.High) << 32 | (u64)pg0->WWNN.Low;
450 rid->port_name = ((u64)pg0->WWPN.High) << 32 | (u64)pg0->WWPN.Low;
451 rid->port_id = pg0->PortIdentifier;
452 rid->roles = FC_RPORT_ROLE_UNKNOWN;
458 mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0)
460 struct fc_rport_identifiers rport_ids;
461 struct fc_rport *rport;
462 struct mptfc_rport_info *ri;
466 u32 roles = FC_RPORT_ROLE_UNKNOWN;
468 if (mptfc_generate_rport_ids(pg0, &rport_ids) < 0)
471 roles |= FC_RPORT_ROLE_FCP_TARGET;
472 if (pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_INITIATOR)
473 roles |= FC_RPORT_ROLE_FCP_INITIATOR;
475 /* scan list looking for a match */
476 list_for_each_entry(ri, &ioc->fc_rports, list) {
477 pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
478 if (pn == rport_ids.port_name) { /* match */
479 list_move_tail(&ri->list, &ioc->fc_rports);
484 if (new_ri) { /* allocate one */
485 ri = kzalloc(sizeof(struct mptfc_rport_info), GFP_KERNEL);
488 list_add_tail(&ri->list, &ioc->fc_rports);
491 ri->pg0 = *pg0; /* add/update pg0 data */
492 ri->flags &= ~MPT_RPORT_INFO_FLAGS_MISSING;
494 /* MPT_RPORT_INFO_FLAGS_REGISTERED - rport not previously deleted */
495 if (!(ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED)) {
496 ri->flags |= MPT_RPORT_INFO_FLAGS_REGISTERED;
497 rport = fc_remote_port_add(ioc->sh, channel, &rport_ids);
500 if (new_ri) /* may have been reset by user */
501 rport->dev_loss_tmo = mptfc_dev_loss_tmo;
503 * if already mapped, remap here. If not mapped,
504 * target_alloc will allocate vtarget and map,
505 * slave_alloc will fill in vdevice from vtarget.
508 vtarget = ri->starget->hostdata;
510 vtarget->id = pg0->CurrentTargetID;
511 vtarget->channel = pg0->CurrentBus;
512 vtarget->deleted = 0;
515 *((struct mptfc_rport_info **)rport->dd_data) = ri;
516 /* scan will be scheduled once rport becomes a target */
517 fc_remote_port_rolechg(rport,roles);
519 pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
520 nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low;
521 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
522 "mptfc_reg_dev.%d: %x, %llx / %llx, tid %d, "
523 "rport tid %d, tmo %d\n",
527 (unsigned long long)nn,
528 (unsigned long long)pn,
529 pg0->CurrentTargetID,
530 ri->rport->scsi_target_id,
531 ri->rport->dev_loss_tmo));
541 * OS entry point to allow for host driver to free allocated memory
542 * Called if no device present or device being unloaded
545 mptfc_target_destroy(struct scsi_target *starget)
547 struct fc_rport *rport;
548 struct mptfc_rport_info *ri;
550 rport = starget_to_rport(starget);
552 ri = *((struct mptfc_rport_info **)rport->dd_data);
553 if (ri) /* better be! */
556 kfree(starget->hostdata);
557 starget->hostdata = NULL;
561 * OS entry point to allow host driver to alloc memory
562 * for each scsi target. Called once per device the bus scan.
563 * Return non-zero if allocation fails.
566 mptfc_target_alloc(struct scsi_target *starget)
569 struct fc_rport *rport;
570 struct mptfc_rport_info *ri;
573 vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL);
576 starget->hostdata = vtarget;
579 rport = starget_to_rport(starget);
581 ri = *((struct mptfc_rport_info **)rport->dd_data);
582 if (ri) { /* better be! */
583 vtarget->id = ri->pg0.CurrentTargetID;
584 vtarget->channel = ri->pg0.CurrentBus;
585 ri->starget = starget;
591 starget->hostdata = NULL;
597 * mptfc_dump_lun_info
604 mptfc_dump_lun_info(MPT_ADAPTER *ioc, struct fc_rport *rport, struct scsi_device *sdev,
608 struct mptfc_rport_info *ri;
610 ri = *((struct mptfc_rport_info **)rport->dd_data);
611 pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
612 nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low;
613 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
614 "mptfc_slv_alloc.%d: num_luns %d, sdev.id %d, "
615 "CurrentTargetID %d, %x %llx %llx\n",
619 sdev->id, ri->pg0.CurrentTargetID,
620 ri->pg0.PortIdentifier,
621 (unsigned long long)pn,
622 (unsigned long long)nn));
627 * OS entry point to allow host driver to alloc memory
628 * for each scsi device. Called once per device the bus scan.
629 * Return non-zero if allocation fails.
630 * Init memory once per LUN.
633 mptfc_slave_alloc(struct scsi_device *sdev)
638 struct scsi_target *starget;
639 struct fc_rport *rport;
642 starget = scsi_target(sdev);
643 rport = starget_to_rport(starget);
645 if (!rport || fc_remote_port_chkready(rport))
648 hd = shost_priv(sdev->host);
651 vdevice = kzalloc(sizeof(VirtDevice), GFP_KERNEL);
653 printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n",
654 ioc->name, sizeof(VirtDevice));
659 sdev->hostdata = vdevice;
660 vtarget = starget->hostdata;
662 if (vtarget->num_luns == 0) {
663 vtarget->ioc_id = ioc->id;
664 vtarget->tflags = MPT_TARGET_FLAGS_Q_YES;
667 vdevice->vtarget = vtarget;
668 vdevice->lun = sdev->lun;
673 mptfc_dump_lun_info(ioc, rport, sdev, vtarget);
679 mptfc_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *SCpnt)
681 struct mptfc_rport_info *ri;
682 struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device));
684 VirtDevice *vdevice = SCpnt->device->hostdata;
686 if (!vdevice || !vdevice->vtarget) {
687 SCpnt->result = DID_NO_CONNECT << 16;
692 err = fc_remote_port_chkready(rport);
699 /* dd_data is null until finished adding target */
700 ri = *((struct mptfc_rport_info **)rport->dd_data);
702 SCpnt->result = DID_IMM_RETRY << 16;
707 return mptscsih_qcmd(SCpnt);
711 * mptfc_display_port_link_speed - displaying link speed
712 * @ioc: Pointer to MPT_ADAPTER structure
713 * @portnum: IOC Port number
714 * @pp0dest: port page0 data payload
718 mptfc_display_port_link_speed(MPT_ADAPTER *ioc, int portnum, FCPortPage0_t *pp0dest)
720 u8 old_speed, new_speed, state;
726 old_speed = ioc->fc_link_speed[portnum];
727 new_speed = pp0dest->CurrentSpeed;
728 state = pp0dest->PortState;
730 if (state != MPI_FCPORTPAGE0_PORTSTATE_OFFLINE &&
731 new_speed != MPI_FCPORTPAGE0_CURRENT_SPEED_UNKNOWN) {
733 old = old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT ? "1 Gbps" :
734 old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT ? "2 Gbps" :
735 old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT ? "4 Gbps" :
737 new = new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT ? "1 Gbps" :
738 new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT ? "2 Gbps" :
739 new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT ? "4 Gbps" :
742 printk(MYIOC_s_NOTE_FMT
743 "FC Link Established, Speed = %s\n",
745 else if (old_speed != new_speed)
746 printk(MYIOC_s_WARN_FMT
747 "FC Link Speed Change, Old Speed = %s, New Speed = %s\n",
748 ioc->name, old, new);
750 ioc->fc_link_speed[portnum] = new_speed;
755 * mptfc_GetFcPortPage0 - Fetch FCPort config Page0.
756 * @ioc: Pointer to MPT_ADAPTER structure
757 * @portnum: IOC Port number
759 * Return: 0 for success
760 * -ENOMEM if no memory available
761 * -EPERM if not allowed due to ISR context
762 * -EAGAIN if no msg frames currently available
763 * -EFAULT for non-successful reply or no reply (timeout)
764 * -EINVAL portnum arg out of range (hardwired to two elements)
767 mptfc_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
769 ConfigPageHeader_t hdr;
771 FCPortPage0_t *ppage0_alloc;
772 FCPortPage0_t *pp0dest;
773 dma_addr_t page0_dma;
782 /* Get FCPort Page 0 header */
786 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
787 cfg.cfghdr.hdr = &hdr;
789 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
791 cfg.pageAddr = portnum;
794 if ((rc = mpt_config(ioc, &cfg)) != 0)
797 if (hdr.PageLength == 0)
800 data_sz = hdr.PageLength * 4;
802 ppage0_alloc = dma_alloc_coherent(&ioc->pcidev->dev, data_sz,
803 &page0_dma, GFP_KERNEL);
807 memset((u8 *)ppage0_alloc, 0, data_sz);
808 cfg.physAddr = page0_dma;
809 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
811 if ((rc = mpt_config(ioc, &cfg)) == 0) {
813 pp0dest = &ioc->fc_port_page0[portnum];
814 copy_sz = min_t(int, sizeof(FCPortPage0_t), data_sz);
815 memcpy(pp0dest, ppage0_alloc, copy_sz);
818 * Normalize endianness of structure data,
819 * by byte-swapping all > 1 byte fields!
821 pp0dest->Flags = le32_to_cpu(pp0dest->Flags);
822 pp0dest->PortIdentifier = le32_to_cpu(pp0dest->PortIdentifier);
823 pp0dest->WWNN.Low = le32_to_cpu(pp0dest->WWNN.Low);
824 pp0dest->WWNN.High = le32_to_cpu(pp0dest->WWNN.High);
825 pp0dest->WWPN.Low = le32_to_cpu(pp0dest->WWPN.Low);
826 pp0dest->WWPN.High = le32_to_cpu(pp0dest->WWPN.High);
827 pp0dest->SupportedServiceClass = le32_to_cpu(pp0dest->SupportedServiceClass);
828 pp0dest->SupportedSpeeds = le32_to_cpu(pp0dest->SupportedSpeeds);
829 pp0dest->CurrentSpeed = le32_to_cpu(pp0dest->CurrentSpeed);
830 pp0dest->MaxFrameSize = le32_to_cpu(pp0dest->MaxFrameSize);
831 pp0dest->FabricWWNN.Low = le32_to_cpu(pp0dest->FabricWWNN.Low);
832 pp0dest->FabricWWNN.High = le32_to_cpu(pp0dest->FabricWWNN.High);
833 pp0dest->FabricWWPN.Low = le32_to_cpu(pp0dest->FabricWWPN.Low);
834 pp0dest->FabricWWPN.High = le32_to_cpu(pp0dest->FabricWWPN.High);
835 pp0dest->DiscoveredPortsCount = le32_to_cpu(pp0dest->DiscoveredPortsCount);
836 pp0dest->MaxInitiators = le32_to_cpu(pp0dest->MaxInitiators);
839 * if still doing discovery,
840 * hang loose a while until finished
842 if ((pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_UNKNOWN) ||
843 (pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE &&
844 (pp0dest->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_TYPE_MASK)
845 == MPI_FCPORTPAGE0_FLAGS_ATTACH_NO_INIT)) {
850 printk(MYIOC_s_INFO_FMT "Firmware discovery not"
854 mptfc_display_port_link_speed(ioc, portnum, pp0dest);
857 dma_free_coherent(&ioc->pcidev->dev, data_sz, ppage0_alloc,
865 mptfc_WriteFcPortPage1(MPT_ADAPTER *ioc, int portnum)
867 ConfigPageHeader_t hdr;
874 if (!(ioc->fc_data.fc_port_page1[portnum].data))
877 /* get fcport page 1 header */
881 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
882 cfg.cfghdr.hdr = &hdr;
884 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
886 cfg.pageAddr = portnum;
889 if ((rc = mpt_config(ioc, &cfg)) != 0)
892 if (hdr.PageLength == 0)
895 if (hdr.PageLength*4 != ioc->fc_data.fc_port_page1[portnum].pg_sz)
898 cfg.physAddr = ioc->fc_data.fc_port_page1[portnum].dma;
899 cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
902 rc = mpt_config(ioc, &cfg);
908 mptfc_GetFcPortPage1(MPT_ADAPTER *ioc, int portnum)
910 ConfigPageHeader_t hdr;
912 FCPortPage1_t *page1_alloc;
913 dma_addr_t page1_dma;
920 /* get fcport page 1 header */
924 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
925 cfg.cfghdr.hdr = &hdr;
927 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
929 cfg.pageAddr = portnum;
932 if ((rc = mpt_config(ioc, &cfg)) != 0)
935 if (hdr.PageLength == 0)
940 if (ioc->fc_data.fc_port_page1[portnum].data == NULL) {
941 data_sz = hdr.PageLength * 4;
942 if (data_sz < sizeof(FCPortPage1_t))
943 data_sz = sizeof(FCPortPage1_t);
945 page1_alloc = dma_alloc_coherent(&ioc->pcidev->dev, data_sz,
946 &page1_dma, GFP_KERNEL);
951 page1_alloc = ioc->fc_data.fc_port_page1[portnum].data;
952 page1_dma = ioc->fc_data.fc_port_page1[portnum].dma;
953 data_sz = ioc->fc_data.fc_port_page1[portnum].pg_sz;
954 if (hdr.PageLength * 4 > data_sz) {
955 ioc->fc_data.fc_port_page1[portnum].data = NULL;
956 dma_free_coherent(&ioc->pcidev->dev, data_sz,
957 page1_alloc, page1_dma);
962 cfg.physAddr = page1_dma;
963 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
965 if ((rc = mpt_config(ioc, &cfg)) == 0) {
966 ioc->fc_data.fc_port_page1[portnum].data = page1_alloc;
967 ioc->fc_data.fc_port_page1[portnum].pg_sz = data_sz;
968 ioc->fc_data.fc_port_page1[portnum].dma = page1_dma;
971 ioc->fc_data.fc_port_page1[portnum].data = NULL;
972 dma_free_coherent(&ioc->pcidev->dev, data_sz, page1_alloc,
980 mptfc_SetFcPortPage1_defaults(MPT_ADAPTER *ioc)
985 #define MPTFC_FW_DEVICE_TIMEOUT (1)
986 #define MPTFC_FW_IO_PEND_TIMEOUT (1)
987 #define ON_FLAGS (MPI_FCPORTPAGE1_FLAGS_IMMEDIATE_ERROR_REPLY)
988 #define OFF_FLAGS (MPI_FCPORTPAGE1_FLAGS_VERBOSE_RESCAN_EVENTS)
990 for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) {
991 if (mptfc_GetFcPortPage1(ioc, ii) != 0)
993 pp1 = ioc->fc_data.fc_port_page1[ii].data;
994 if ((pp1->InitiatorDeviceTimeout == MPTFC_FW_DEVICE_TIMEOUT)
995 && (pp1->InitiatorIoPendTimeout == MPTFC_FW_IO_PEND_TIMEOUT)
996 && ((pp1->Flags & ON_FLAGS) == ON_FLAGS)
997 && ((pp1->Flags & OFF_FLAGS) == 0))
999 pp1->InitiatorDeviceTimeout = MPTFC_FW_DEVICE_TIMEOUT;
1000 pp1->InitiatorIoPendTimeout = MPTFC_FW_IO_PEND_TIMEOUT;
1001 pp1->Flags &= ~OFF_FLAGS;
1002 pp1->Flags |= ON_FLAGS;
1003 mptfc_WriteFcPortPage1(ioc, ii);
1009 mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum)
1015 unsigned port_state;
1017 struct Scsi_Host *sh;
1020 /* don't know what to do as only one scsi (fc) host was allocated */
1024 pp0 = &ioc->fc_port_page0[portnum];
1027 sn = fc_host_symbolic_name(sh);
1028 snprintf(sn, FC_SYMBOLIC_NAME_SIZE, "%s %s%08xh",
1030 MPT_FW_REV_MAGIC_ID_STRING,
1031 ioc->facts.FWVersion.Word);
1033 fc_host_tgtid_bind_type(sh) = FC_TGTID_BIND_BY_WWPN;
1035 fc_host_maxframe_size(sh) = pp0->MaxFrameSize;
1037 fc_host_node_name(sh) =
1038 (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low;
1040 fc_host_port_name(sh) =
1041 (u64)pp0->WWPN.High << 32 | (u64)pp0->WWPN.Low;
1043 fc_host_port_id(sh) = pp0->PortIdentifier;
1045 class = pp0->SupportedServiceClass;
1046 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_1)
1047 cos |= FC_COS_CLASS1;
1048 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_2)
1049 cos |= FC_COS_CLASS2;
1050 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_3)
1051 cos |= FC_COS_CLASS3;
1052 fc_host_supported_classes(sh) = cos;
1054 if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT)
1055 speed = FC_PORTSPEED_1GBIT;
1056 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT)
1057 speed = FC_PORTSPEED_2GBIT;
1058 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT)
1059 speed = FC_PORTSPEED_4GBIT;
1060 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_10GBIT)
1061 speed = FC_PORTSPEED_10GBIT;
1063 speed = FC_PORTSPEED_UNKNOWN;
1064 fc_host_speed(sh) = speed;
1067 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_1GBIT_SPEED)
1068 speed |= FC_PORTSPEED_1GBIT;
1069 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_2GBIT_SPEED)
1070 speed |= FC_PORTSPEED_2GBIT;
1071 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_4GBIT_SPEED)
1072 speed |= FC_PORTSPEED_4GBIT;
1073 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_10GBIT_SPEED)
1074 speed |= FC_PORTSPEED_10GBIT;
1075 fc_host_supported_speeds(sh) = speed;
1077 port_state = FC_PORTSTATE_UNKNOWN;
1078 if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE)
1079 port_state = FC_PORTSTATE_ONLINE;
1080 else if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_OFFLINE)
1081 port_state = FC_PORTSTATE_LINKDOWN;
1082 fc_host_port_state(sh) = port_state;
1084 port_type = FC_PORTTYPE_UNKNOWN;
1085 if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_POINT_TO_POINT)
1086 port_type = FC_PORTTYPE_PTP;
1087 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PRIVATE_LOOP)
1088 port_type = FC_PORTTYPE_LPORT;
1089 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PUBLIC_LOOP)
1090 port_type = FC_PORTTYPE_NLPORT;
1091 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_FABRIC_DIRECT)
1092 port_type = FC_PORTTYPE_NPORT;
1093 fc_host_port_type(sh) = port_type;
1095 fc_host_fabric_name(sh) =
1096 (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_FABRIC_WWN_VALID) ?
1097 (u64) pp0->FabricWWNN.High << 32 | (u64) pp0->FabricWWPN.Low :
1098 (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low;
1103 mptfc_link_status_change(struct work_struct *work)
1106 container_of(work, MPT_ADAPTER, fc_rescan_work);
1109 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++)
1110 (void) mptfc_GetFcPortPage0(ioc, ii);
1115 mptfc_setup_reset(struct work_struct *work)
1118 container_of(work, MPT_ADAPTER, fc_setup_reset_work);
1120 struct mptfc_rport_info *ri;
1121 struct scsi_target *starget;
1122 VirtTarget *vtarget;
1124 /* reset about to happen, delete (block) all rports */
1125 list_for_each_entry(ri, &ioc->fc_rports, list) {
1126 if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) {
1127 ri->flags &= ~MPT_RPORT_INFO_FLAGS_REGISTERED;
1128 fc_remote_port_delete(ri->rport); /* won't sleep */
1130 starget = ri->starget;
1132 vtarget = starget->hostdata;
1134 vtarget->deleted = 1;
1137 pn = (u64)ri->pg0.WWPN.High << 32 |
1138 (u64)ri->pg0.WWPN.Low;
1139 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
1140 "mptfc_setup_reset.%d: %llx deleted\n",
1143 (unsigned long long)pn));
1149 mptfc_rescan_devices(struct work_struct *work)
1152 container_of(work, MPT_ADAPTER, fc_rescan_work);
1155 struct mptfc_rport_info *ri;
1156 struct scsi_target *starget;
1157 VirtTarget *vtarget;
1159 /* start by tagging all ports as missing */
1160 list_for_each_entry(ri, &ioc->fc_rports, list) {
1161 if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) {
1162 ri->flags |= MPT_RPORT_INFO_FLAGS_MISSING;
1167 * now rescan devices known to adapter,
1168 * will reregister existing rports
1170 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1171 (void) mptfc_GetFcPortPage0(ioc, ii);
1172 mptfc_init_host_attr(ioc, ii); /* refresh */
1173 mptfc_GetFcDevPage0(ioc, ii, mptfc_register_dev);
1176 /* delete devices still missing */
1177 list_for_each_entry(ri, &ioc->fc_rports, list) {
1178 /* if newly missing, delete it */
1179 if (ri->flags & MPT_RPORT_INFO_FLAGS_MISSING) {
1181 ri->flags &= ~(MPT_RPORT_INFO_FLAGS_REGISTERED|
1182 MPT_RPORT_INFO_FLAGS_MISSING);
1183 fc_remote_port_delete(ri->rport); /* won't sleep */
1185 starget = ri->starget;
1187 vtarget = starget->hostdata;
1189 vtarget->deleted = 1;
1192 pn = (u64)ri->pg0.WWPN.High << 32 |
1193 (u64)ri->pg0.WWPN.Low;
1194 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
1195 "mptfc_rescan.%d: %llx deleted\n",
1198 (unsigned long long)pn));
1204 mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
1206 struct Scsi_Host *sh;
1209 unsigned long flags;
1217 if ((r = mpt_attach(pdev,id)) != 0)
1220 ioc = pci_get_drvdata(pdev);
1221 ioc->DoneCtx = mptfcDoneCtx;
1222 ioc->TaskCtx = mptfcTaskCtx;
1223 ioc->InternalCtx = mptfcInternalCtx;
1225 /* Added sanity check on readiness of the MPT adapter.
1227 if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) {
1228 printk(MYIOC_s_WARN_FMT
1229 "Skipping because it's not operational!\n",
1232 goto out_mptfc_probe;
1236 printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n",
1239 goto out_mptfc_probe;
1242 /* Sanity check - ensure at least 1 port is INITIATOR capable
1245 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1246 if (ioc->pfacts[ii].ProtocolFlags &
1247 MPI_PORTFACTS_PROTOCOL_INITIATOR)
1252 printk(MYIOC_s_WARN_FMT
1253 "Skipping ioc=%p because SCSI Initiator mode is NOT enabled!\n",
1258 sh = scsi_host_alloc(&mptfc_driver_template, sizeof(MPT_SCSI_HOST));
1261 printk(MYIOC_s_WARN_FMT
1262 "Unable to register controller with SCSI subsystem\n",
1265 goto out_mptfc_probe;
1268 spin_lock_init(&ioc->fc_rescan_work_lock);
1269 INIT_WORK(&ioc->fc_rescan_work, mptfc_rescan_devices);
1270 INIT_WORK(&ioc->fc_setup_reset_work, mptfc_setup_reset);
1271 INIT_WORK(&ioc->fc_lsc_work, mptfc_link_status_change);
1273 spin_lock_irqsave(&ioc->FreeQlock, flags);
1275 /* Attach the SCSI Host to the IOC structure
1283 /* set 16 byte cdb's */
1284 sh->max_cmd_len = 16;
1286 sh->max_id = ioc->pfacts->MaxDevices;
1287 sh->max_lun = max_lun;
1291 sh->unique_id = ioc->id;
1293 /* Verify that we won't exceed the maximum
1294 * number of chain buffers
1295 * We can optimize: ZZ = req_sz/sizeof(SGE)
1297 * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ
1298 * + (req_sz - 64)/sizeof(SGE)
1299 * A slightly different algorithm is required for
1302 scale = ioc->req_sz/ioc->SGE_size;
1303 if (ioc->sg_addr_size == sizeof(u64)) {
1304 numSGE = (scale - 1) *
1305 (ioc->facts.MaxChainDepth-1) + scale +
1306 (ioc->req_sz - 60) / ioc->SGE_size;
1308 numSGE = 1 + (scale - 1) *
1309 (ioc->facts.MaxChainDepth-1) + scale +
1310 (ioc->req_sz - 64) / ioc->SGE_size;
1313 if (numSGE < sh->sg_tablesize) {
1314 /* Reset this value */
1315 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1316 "Resetting sg_tablesize to %d from %d\n",
1317 ioc->name, numSGE, sh->sg_tablesize));
1318 sh->sg_tablesize = numSGE;
1321 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1323 hd = shost_priv(sh);
1326 /* SCSI needs scsi_cmnd lookup table!
1327 * (with size equal to req_depth*PtrSz!)
1329 ioc->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_KERNEL);
1330 if (!ioc->ScsiLookup) {
1332 goto out_mptfc_probe;
1334 spin_lock_init(&ioc->scsi_lookup_lock);
1336 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n",
1337 ioc->name, ioc->ScsiLookup));
1339 hd->last_queue_full = 0;
1341 sh->transportt = mptfc_transport_template;
1342 error = scsi_add_host (sh, &ioc->pcidev->dev);
1344 dprintk(ioc, printk(MYIOC_s_ERR_FMT
1345 "scsi_add_host failed\n", ioc->name));
1346 goto out_mptfc_probe;
1349 /* initialize workqueue */
1351 snprintf(ioc->fc_rescan_work_q_name, sizeof(ioc->fc_rescan_work_q_name),
1352 "mptfc_wq_%d", sh->host_no);
1353 ioc->fc_rescan_work_q =
1354 alloc_ordered_workqueue(ioc->fc_rescan_work_q_name,
1356 if (!ioc->fc_rescan_work_q) {
1358 goto out_mptfc_host;
1362 * Pre-fetch FC port WWN and stuff...
1363 * (FCPortPage0_t stuff)
1365 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1366 (void) mptfc_GetFcPortPage0(ioc, ii);
1368 mptfc_SetFcPortPage1_defaults(ioc);
1372 * by doing it via the workqueue, some locking is eliminated
1375 queue_work(ioc->fc_rescan_work_q, &ioc->fc_rescan_work);
1376 flush_workqueue(ioc->fc_rescan_work_q);
1381 scsi_remove_host(sh);
1385 mptscsih_remove(pdev);
1389 static struct pci_driver mptfc_driver = {
1391 .id_table = mptfc_pci_table,
1392 .probe = mptfc_probe,
1393 .remove = mptfc_remove,
1394 .shutdown = mptscsih_shutdown,
1396 .suspend = mptscsih_suspend,
1397 .resume = mptscsih_resume,
1402 mptfc_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
1405 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
1406 unsigned long flags;
1409 if (ioc->bus_type != FC)
1412 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n",
1415 if (ioc->sh == NULL ||
1416 ((hd = shost_priv(ioc->sh)) == NULL))
1420 case MPI_EVENT_RESCAN:
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);
1428 case MPI_EVENT_LINK_STATUS_CHANGE:
1429 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1430 if (ioc->fc_rescan_work_q) {
1431 queue_work(ioc->fc_rescan_work_q,
1434 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1437 rc = mptscsih_event_process(ioc,pEvReply);
1444 mptfc_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
1447 unsigned long flags;
1449 rc = mptscsih_ioc_reset(ioc,reset_phase);
1450 if ((ioc->bus_type != FC) || (!rc))
1454 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1455 ": IOC %s_reset routed to FC host driver!\n",ioc->name,
1456 reset_phase==MPT_IOC_SETUP_RESET ? "setup" : (
1457 reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post")));
1459 if (reset_phase == MPT_IOC_SETUP_RESET) {
1460 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1461 if (ioc->fc_rescan_work_q) {
1462 queue_work(ioc->fc_rescan_work_q,
1463 &ioc->fc_setup_reset_work);
1465 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1468 else if (reset_phase == MPT_IOC_PRE_RESET) {
1471 else { /* MPT_IOC_POST_RESET */
1472 mptfc_SetFcPortPage1_defaults(ioc);
1473 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1474 if (ioc->fc_rescan_work_q) {
1475 queue_work(ioc->fc_rescan_work_q,
1476 &ioc->fc_rescan_work);
1478 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1483 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1485 * mptfc_init - Register MPT adapter(s) as SCSI host(s) with SCSI mid-layer.
1487 * Returns 0 for success, non-zero for failure.
1494 show_mptmod_ver(my_NAME, my_VERSION);
1496 /* sanity check module parameters */
1497 if (mptfc_dev_loss_tmo <= 0)
1498 mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO;
1500 mptfc_transport_template =
1501 fc_attach_transport(&mptfc_transport_functions);
1503 if (!mptfc_transport_template)
1506 mptfcDoneCtx = mpt_register(mptscsih_io_done, MPTFC_DRIVER,
1507 "mptscsih_scandv_complete");
1508 mptfcTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTFC_DRIVER,
1509 "mptscsih_scandv_complete");
1510 mptfcInternalCtx = mpt_register(mptscsih_scandv_complete, MPTFC_DRIVER,
1511 "mptscsih_scandv_complete");
1513 mpt_event_register(mptfcDoneCtx, mptfc_event_process);
1514 mpt_reset_register(mptfcDoneCtx, mptfc_ioc_reset);
1516 error = pci_register_driver(&mptfc_driver);
1518 fc_release_transport(mptfc_transport_template);
1523 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1525 * mptfc_remove - Remove fc infrastructure for devices
1526 * @pdev: Pointer to pci_dev structure
1529 static void mptfc_remove(struct pci_dev *pdev)
1531 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1532 struct mptfc_rport_info *p, *n;
1533 struct workqueue_struct *work_q;
1534 unsigned long flags;
1537 /* destroy workqueue */
1538 if ((work_q=ioc->fc_rescan_work_q)) {
1539 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1540 ioc->fc_rescan_work_q = NULL;
1541 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1542 destroy_workqueue(work_q);
1545 fc_remove_host(ioc->sh);
1547 list_for_each_entry_safe(p, n, &ioc->fc_rports, list) {
1552 for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) {
1553 if (ioc->fc_data.fc_port_page1[ii].data) {
1554 dma_free_coherent(&ioc->pcidev->dev,
1555 ioc->fc_data.fc_port_page1[ii].pg_sz,
1556 ioc->fc_data.fc_port_page1[ii].data,
1557 ioc->fc_data.fc_port_page1[ii].dma);
1558 ioc->fc_data.fc_port_page1[ii].data = NULL;
1562 scsi_remove_host(ioc->sh);
1564 mptscsih_remove(pdev);
1567 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1568 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1570 * mptfc_exit - Unregisters MPT adapter(s)
1576 pci_unregister_driver(&mptfc_driver);
1577 fc_release_transport(mptfc_transport_template);
1579 mpt_reset_deregister(mptfcDoneCtx);
1580 mpt_event_deregister(mptfcDoneCtx);
1582 mpt_deregister(mptfcInternalCtx);
1583 mpt_deregister(mptfcTaskCtx);
1584 mpt_deregister(mptfcDoneCtx);
1587 module_init(mptfc_init);
1588 module_exit(mptfc_exit);