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Merge patch series "lpfc: Update lpfc to revision 14.2.0.15"
[linux-2.6-block.git] / drivers / message / fusion / mptfc.c
CommitLineData
2496af39
MED		 1/*
2 * linux/drivers/message/fusion/mptfc.c
f36789e2
PS		 3 * For use with LSI PCI chip/adapter(s)
4 * running LSI Fusion MPT (Message Passing Technology) firmware.
2496af39 5 *
cddc0ab7 6 * Copyright (c) 1999-2008 LSI Corporation
16d20101 7 * (mailto:DL-MPTFusionLinux@lsi.com)
2496af39
MED		 8 *
9 */
10/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
11/*
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.
15
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.
20
21 NO WARRANTY
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.
31
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
40
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
44*/
45/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2496af39
MED		 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 */
b8a51443 53#include <linux/interrupt.h>
2496af39 54#include <linux/reboot.h> /* notifier code */
2496af39 55#include <linux/workqueue.h>
05e8ec17 56#include <linux/sort.h>
5a0e3ad6 57#include <linux/slab.h>
2496af39
MED		 58
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>
05e8ec17 64#include <scsi/scsi_transport_fc.h>
2496af39
MED		 65
66#include "mptbase.h"
67#include "mptscsih.h"
68
69/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
70#define my_NAME "Fusion MPT FC Host driver"
71#define my_VERSION MPT_LINUX_VERSION_COMMON
72#define MYNAM "mptfc"
73
74MODULE_AUTHOR(MODULEAUTHOR);
75MODULE_DESCRIPTION(my_NAME);
76MODULE_LICENSE("GPL");
9f4203b3 77MODULE_VERSION(my_VERSION);
2496af39
MED		 78
79/* Command line args */
05e8ec17
MR		 80#define MPTFC_DEV_LOSS_TMO (60)
81static int mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO; /* reasonable default */
82module_param(mptfc_dev_loss_tmo, int, 0);
83MODULE_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."
86 " Default=60.");
87
793955f5
EM		 88/* scsi-mid layer global parmeter is max_report_luns, which is 511 */
89#define MPTFC_MAX_LUN (16895)
90static int max_lun = MPTFC_MAX_LUN;
91module_param(max_lun, int, 0);
92MODULE_PARM_DESC(max_lun, " max lun, default=16895 ");
93
f606f571
PS		 94static u8 mptfcDoneCtx = MPT_MAX_PROTOCOL_DRIVERS;
95static u8 mptfcTaskCtx = MPT_MAX_PROTOCOL_DRIVERS;
96static u8 mptfcInternalCtx = MPT_MAX_PROTOCOL_DRIVERS;
2496af39 97
3bc7bf1d
MR		 98static int mptfc_target_alloc(struct scsi_target *starget);
99static int mptfc_slave_alloc(struct scsi_device *sdev);
f281233d 100static int mptfc_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *SCpnt);
3bc7bf1d 101static void mptfc_target_destroy(struct scsi_target *starget);
05e8ec17 102static void mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout);
47b1ea75 103static void mptfc_remove(struct pci_dev *pdev);
35508e46
MR		 104static int mptfc_abort(struct scsi_cmnd *SCpnt);
105static int mptfc_dev_reset(struct scsi_cmnd *SCpnt);
106static int mptfc_bus_reset(struct scsi_cmnd *SCpnt);
05e8ec17 107
95a24cf1 108static const struct scsi_host_template mptfc_driver_template = {
f78496da 109 .module = THIS_MODULE,
2496af39 110 .proc_name = "mptfc",
cac19703 111 .show_info = mptscsih_show_info,
2496af39
MED		 112 .name = "MPT FC Host",
113 .info = mptscsih_info,
05e8ec17 114 .queuecommand = mptfc_qcmd,
3bc7bf1d 115 .target_alloc = mptfc_target_alloc,
05e8ec17 116 .slave_alloc = mptfc_slave_alloc,
2496af39 117 .slave_configure = mptscsih_slave_configure,
3bc7bf1d 118 .target_destroy = mptfc_target_destroy,
2496af39 119 .slave_destroy = mptscsih_slave_destroy,
6e3815ba 120 .change_queue_depth = mptscsih_change_queue_depth,
b6a05c82 121 .eh_timed_out = fc_eh_timed_out,
35508e46
MR		 122 .eh_abort_handler = mptfc_abort,
123 .eh_device_reset_handler = mptfc_dev_reset,
124 .eh_bus_reset_handler = mptfc_bus_reset,
fdad4aaf 125 .eh_host_reset_handler = mptscsih_host_reset,
2496af39
MED		 126 .bios_param = mptscsih_bios_param,
127 .can_queue = MPT_FC_CAN_QUEUE,
128 .this_id = -1,
129 .sg_tablesize = MPT_SCSI_SG_DEPTH,
130 .max_sectors = 8192,
131 .cmd_per_lun = 7,
2899836f 132 .shost_groups = mptscsih_host_attr_groups,
2496af39
MED		 133};
134
135/****************************************************************************
136 * Supported hardware
137 */
138
139static struct pci_device_id mptfc_pci_table[] = {
87cf8986 140 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC909,
2496af39 141 PCI_ANY_ID, PCI_ANY_ID },
87cf8986 142 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC919,
2496af39 143 PCI_ANY_ID, PCI_ANY_ID },
87cf8986 144 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC929,
2496af39 145 PCI_ANY_ID, PCI_ANY_ID },
87cf8986 146 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC919X,
2496af39 147 PCI_ANY_ID, PCI_ANY_ID },
87cf8986 148 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC929X,
2496af39 149 PCI_ANY_ID, PCI_ANY_ID },
87cf8986 150 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC939X,
3fadc59d 151 PCI_ANY_ID, PCI_ANY_ID },
87cf8986 152 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC949X,
3fadc59d 153 PCI_ANY_ID, PCI_ANY_ID },
87cf8986 154 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC949E,
6d5b0c31 155 PCI_ANY_ID, PCI_ANY_ID },
ef1d8df7
PS		 156 { PCI_VENDOR_ID_BROCADE, MPI_MANUFACTPAGE_DEVICEID_FC949E,
157 PCI_ANY_ID, PCI_ANY_ID },
2496af39
MED		 158 {0} /* Terminating entry */
159};
160MODULE_DEVICE_TABLE(pci, mptfc_pci_table);
161
05e8ec17
MR		 162static struct scsi_transport_template *mptfc_transport_template = NULL;
163
03fbcbcd 164static struct fc_function_template mptfc_transport_functions = {
05e8ec17
MR		 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,
5d947f2b
MR		 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,
05e8ec17
MR		 183};
184
35508e46 185static int
d9987d4b 186mptfc_block_error_handler(struct fc_rport *rport)
35508e46 187{
d6ecdd63 188 MPT_SCSI_HOST *hd;
d9987d4b 189 struct Scsi_Host *shost = rport_to_shost(rport);
35508e46
MR		 190 unsigned long flags;
191 int ready;
d9987d4b 192 MPT_ADAPTER *ioc;
03cb3829 193 int loops = 40; /* seconds */
35508e46 194
d9987d4b 195 hd = shost_priv(shost);
e80b002b 196 ioc = hd->ioc;
35508e46 197 spin_lock_irqsave(shost->host_lock, flags);
03cb3829
MR		 198 while ((ready = fc_remote_port_chkready(rport) >> 16) == DID_IMM_RETRY
199 || (loops > 0 && ioc->active == 0)) {
35508e46 200 spin_unlock_irqrestore(shost->host_lock, flags);
e80b002b 201 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
d9987d4b
HR		 202 "mptfc_block_error_handler.%d: %s, port status is "
203 "%x, active flag %d, deferring recovery.\n",
e7eae9f6 204 ioc->name, ioc->sh->host_no,
d9987d4b 205 dev_name(&rport->dev), ready, ioc->active));
35508e46
MR		 206 msleep(1000);
207 spin_lock_irqsave(shost->host_lock, flags);
03cb3829 208 loops --;
35508e46
MR		 209 }
210 spin_unlock_irqrestore(shost->host_lock, flags);
211
d9987d4b 212 if (ready == DID_NO_CONNECT || ioc->active == 0) {
e80b002b 213 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
d9987d4b
HR		 214 "mpt_block_error_handler.%d: %s, failing recovery, "
215 "port state %x, active %d.\n",
e7eae9f6 216 ioc->name, ioc->sh->host_no,
d9987d4b 217 dev_name(&rport->dev), ready, ioc->active));
35508e46
MR		 218 return FAILED;
219 }
d9987d4b 220 return SUCCESS;
35508e46
MR		 221}
222
223static int
224mptfc_abort(struct scsi_cmnd *SCpnt)
225{
d9987d4b
HR		 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);
229 int rtn;
230
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);
238 }
239 return rtn;
35508e46
MR		 240}
241
242static int
243mptfc_dev_reset(struct scsi_cmnd *SCpnt)
244{
d9987d4b
HR		 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);
248 int rtn;
249
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);
257 }
258 return rtn;
35508e46
MR		 259}
260
261static int
262mptfc_bus_reset(struct scsi_cmnd *SCpnt)
263{
d9987d4b 264 struct Scsi_Host *shost = SCpnt->device->host;
d9987d4b 265 MPT_SCSI_HOST __maybe_unused *hd = shost_priv(shost);
17865dc2
HR		 266 int channel = SCpnt->device->channel;
267 struct mptfc_rport_info *ri;
d9987d4b
HR		 268 int rtn;
269
17865dc2
HR		 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;
273
274 if (!vtarget || vtarget->channel != channel)
275 continue;
276 rtn = fc_block_rport(ri->rport);
277 if (rtn != 0)
278 break;
279 }
280 }
281 if (rtn == 0) {
d9987d4b
HR		 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);
287 }
288 return rtn;
35508e46
MR		 289}
290
05e8ec17
MR		 291static void
292mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
293{
294 if (timeout > 0)
295 rport->dev_loss_tmo = timeout;
296 else
297 rport->dev_loss_tmo = mptfc_dev_loss_tmo;
298}
299
300static int
301mptfc_FcDevPage0_cmp_func(const void *a, const void *b)
302{
303 FCDevicePage0_t **aa = (FCDevicePage0_t **)a;
304 FCDevicePage0_t **bb = (FCDevicePage0_t **)b;
305
306 if ((*aa)->CurrentBus == (*bb)->CurrentBus) {
307 if ((*aa)->CurrentTargetID == (*bb)->CurrentTargetID)
308 return 0;
309 if ((*aa)->CurrentTargetID < (*bb)->CurrentTargetID)
310 return -1;
311 return 1;
312 }
313 if ((*aa)->CurrentBus < (*bb)->CurrentBus)
314 return -1;
315 return 1;
316}
317
318static int
319mptfc_GetFcDevPage0(MPT_ADAPTER *ioc, int ioc_port,
320 void(*func)(MPT_ADAPTER *ioc,int channel, FCDevicePage0_t *arg))
321{
322 ConfigPageHeader_t hdr;
323 CONFIGPARMS cfg;
324 FCDevicePage0_t *ppage0_alloc, *fc;
325 dma_addr_t page0_dma;
326 int data_sz;
327 int ii;
328
329 FCDevicePage0_t *p0_array=NULL, *p_p0;
330 FCDevicePage0_t **pp0_array=NULL, **p_pp0;
331
332 int rc = -ENOMEM;
333 U32 port_id = 0xffffff;
334 int num_targ = 0;
335 int max_bus = ioc->facts.MaxBuses;
793955f5 336 int max_targ;
05e8ec17 337
793955f5 338 max_targ = (ioc->facts.MaxDevices == 0) ? 256 : ioc->facts.MaxDevices;
05e8ec17
MR		 339
340 data_sz = sizeof(FCDevicePage0_t) * max_bus * max_targ;
341 p_p0 = p0_array = kzalloc(data_sz, GFP_KERNEL);
342 if (!p0_array)
343 goto out;
344
345 data_sz = sizeof(FCDevicePage0_t *) * max_bus * max_targ;
346 p_pp0 = pp0_array = kzalloc(data_sz, GFP_KERNEL);
347 if (!pp0_array)
348 goto out;
349
350 do {
351 /* Get FC Device Page 0 header */
352 hdr.PageVersion = 0;
353 hdr.PageLength = 0;
354 hdr.PageNumber = 0;
355 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_DEVICE;
356 cfg.cfghdr.hdr = &hdr;
357 cfg.physAddr = -1;
358 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
359 cfg.dir = 0;
360 cfg.pageAddr = port_id;
361 cfg.timeout = 0;
362
363 if ((rc = mpt_config(ioc, &cfg)) != 0)
364 break;
365
366 if (hdr.PageLength <= 0)
367 break;
368
369 data_sz = hdr.PageLength * 4;
1897c5c7
CJ		 370 ppage0_alloc = dma_alloc_coherent(&ioc->pcidev->dev, data_sz,
371 &page0_dma, GFP_KERNEL);
05e8ec17
MR		 372 rc = -ENOMEM;
373 if (!ppage0_alloc)
374 break;
375
376 cfg.physAddr = page0_dma;
377 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
378
379 if ((rc = mpt_config(ioc, &cfg)) == 0) {
380 ppage0_alloc->PortIdentifier =
381 le32_to_cpu(ppage0_alloc->PortIdentifier);
382
383 ppage0_alloc->WWNN.Low =
384 le32_to_cpu(ppage0_alloc->WWNN.Low);
385
386 ppage0_alloc->WWNN.High =
387 le32_to_cpu(ppage0_alloc->WWNN.High);
388
389 ppage0_alloc->WWPN.Low =
390 le32_to_cpu(ppage0_alloc->WWPN.Low);
391
392 ppage0_alloc->WWPN.High =
393 le32_to_cpu(ppage0_alloc->WWPN.High);
394
395 ppage0_alloc->BBCredit =
396 le16_to_cpu(ppage0_alloc->BBCredit);
397
398 ppage0_alloc->MaxRxFrameSize =
399 le16_to_cpu(ppage0_alloc->MaxRxFrameSize);
400
401 port_id = ppage0_alloc->PortIdentifier;
402 num_targ++;
403 *p_p0 = *ppage0_alloc; /* save data */
404 *p_pp0++ = p_p0++; /* save addr */
405 }
1897c5c7
CJ		 406 dma_free_coherent(&ioc->pcidev->dev, data_sz,
407 ppage0_alloc, page0_dma);
05e8ec17
MR		 408 if (rc != 0)
409 break;
410
411 } while (port_id <= 0xff0000);
412
413 if (num_targ) {
414 /* sort array */
415 if (num_targ > 1)
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);
422 }
423 }
424
425 out:
8f760780
JJ		 426 kfree(pp0_array);
427 kfree(p0_array);
05e8ec17
MR		 428 return rc;
429}
430
431static int
432mptfc_generate_rport_ids(FCDevicePage0_t *pg0, struct fc_rport_identifiers *rid)
433{
434 /* not currently usable */
435 if (pg0->Flags & (MPI_FC_DEVICE_PAGE0_FLAGS_PLOGI_INVALID |
436 MPI_FC_DEVICE_PAGE0_FLAGS_PRLI_INVALID))
437 return -1;
438
439 if (!(pg0->Flags & MPI_FC_DEVICE_PAGE0_FLAGS_TARGETID_BUS_VALID))
440 return -1;
441
442 if (!(pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_TARGET))
443 return -1;
444
445 /*
446 * board data structure already normalized to platform endianness
447 * shifted to avoid unaligned access on 64 bit architecture
448 */
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;
05e8ec17
MR		 453
454 return 0;
455}
456
457static void
458mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0)
459{
460 struct fc_rport_identifiers rport_ids;
461 struct fc_rport *rport;
462 struct mptfc_rport_info *ri;
3bc7bf1d 463 int new_ri = 1;
65207fed 464 u64 pn, nn;
3bc7bf1d 465 VirtTarget *vtarget;
6dd727da 466 u32 roles = FC_RPORT_ROLE_UNKNOWN;
05e8ec17
MR		 467
468 if (mptfc_generate_rport_ids(pg0, &rport_ids) < 0)
469 return;
470
6dd727da 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;
474
05e8ec17 475 /* scan list looking for a match */
05e8ec17 476 list_for_each_entry(ri, &ioc->fc_rports, list) {
3bc7bf1d
MR		 477 pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
478 if (pn == rport_ids.port_name) { /* match */
05e8ec17 479 list_move_tail(&ri->list, &ioc->fc_rports);
3bc7bf1d 480 new_ri = 0;
05e8ec17
MR		 481 break;
482 }
483 }
3bc7bf1d 484 if (new_ri) { /* allocate one */
05e8ec17
MR		 485 ri = kzalloc(sizeof(struct mptfc_rport_info), GFP_KERNEL);
486 if (!ri)
487 return;
05e8ec17
MR		 488 list_add_tail(&ri->list, &ioc->fc_rports);
489 }
490
491 ri->pg0 = *pg0; /* add/update pg0 data */
492 ri->flags &= ~MPT_RPORT_INFO_FLAGS_MISSING;
493
3bc7bf1d 494 /* MPT_RPORT_INFO_FLAGS_REGISTERED - rport not previously deleted */
05e8ec17
MR		 495 if (!(ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED)) {
496 ri->flags |= MPT_RPORT_INFO_FLAGS_REGISTERED;
3bc7bf1d 497 rport = fc_remote_port_add(ioc->sh, channel, &rport_ids);
05e8ec17 498 if (rport) {
3bc7bf1d
MR		 499 ri->rport = rport;
500 if (new_ri) /* may have been reset by user */
501 rport->dev_loss_tmo = mptfc_dev_loss_tmo;
05e8ec17
MR		 502 /*
503 * if already mapped, remap here. If not mapped,
3bc7bf1d 504 * target_alloc will allocate vtarget and map,
a69de507 505 * slave_alloc will fill in vdevice from vtarget.
05e8ec17 506 */
3bc7bf1d
MR		 507 if (ri->starget) {
508 vtarget = ri->starget->hostdata;
509 if (vtarget) {
793955f5
EM		 510 vtarget->id = pg0->CurrentTargetID;
511 vtarget->channel = pg0->CurrentBus;
08f5c5c2 512 vtarget->deleted = 0;
3bc7bf1d 513 }
05e8ec17 514 }
65207fed 515 *((struct mptfc_rport_info **)rport->dd_data) = ri;
6dd727da 516 /* scan will be scheduled once rport becomes a target */
517 fc_remote_port_rolechg(rport,roles);
65207fed
ME		 518
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;
d6ecdd63 521 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
3bc7bf1d 522 "mptfc_reg_dev.%d: %x, %llx / %llx, tid %d, "
05e8ec17 523 "rport tid %d, tmo %d\n",
3bc7bf1d 524 ioc->name,
914c2d8e 525 ioc->sh->host_no,
05e8ec17 526 pg0->PortIdentifier,
65207fed
ME		 527 (unsigned long long)nn,
528 (unsigned long long)pn,
05e8ec17
MR		 529 pg0->CurrentTargetID,
530 ri->rport->scsi_target_id,
3bc7bf1d 531 ri->rport->dev_loss_tmo));
05e8ec17
MR		 532 } else {
533 list_del(&ri->list);
534 kfree(ri);
535 ri = NULL;
536 }
537 }
05e8ec17
MR		 538}
539
3bc7bf1d
MR		 540/*
541 * OS entry point to allow for host driver to free allocated memory
542 * Called if no device present or device being unloaded
543 */
544static void
545mptfc_target_destroy(struct scsi_target *starget)
546{
547 struct fc_rport *rport;
548 struct mptfc_rport_info *ri;
549
550 rport = starget_to_rport(starget);
551 if (rport) {
552 ri = *((struct mptfc_rport_info **)rport->dd_data);
553 if (ri) /* better be! */
554 ri->starget = NULL;
555 }
5074b1b6 556 kfree(starget->hostdata);
3bc7bf1d
MR		 557 starget->hostdata = NULL;
558}
559
560/*
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.
564 */
565static int
566mptfc_target_alloc(struct scsi_target *starget)
567{
568 VirtTarget *vtarget;
569 struct fc_rport *rport;
570 struct mptfc_rport_info *ri;
571 int rc;
572
573 vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL);
574 if (!vtarget)
575 return -ENOMEM;
576 starget->hostdata = vtarget;
577
578 rc = -ENODEV;
579 rport = starget_to_rport(starget);
580 if (rport) {
581 ri = *((struct mptfc_rport_info **)rport->dd_data);
582 if (ri) { /* better be! */
793955f5
EM		 583 vtarget->id = ri->pg0.CurrentTargetID;
584 vtarget->channel = ri->pg0.CurrentBus;
3bc7bf1d 585 ri->starget = starget;
3bc7bf1d
MR		 586 rc = 0;
587 }
588 }
589 if (rc != 0) {
590 kfree(vtarget);
591 starget->hostdata = NULL;
592 }
593
594 return rc;
595}
d6ecdd63
PS		 596/*
597 * mptfc_dump_lun_info
598 * @ioc
599 * @rport
600 * @sdev
601 *
602 */
603static void
604mptfc_dump_lun_info(MPT_ADAPTER *ioc, struct fc_rport *rport, struct scsi_device *sdev,
605 VirtTarget *vtarget)
606{
607 u64 nn, pn;
608 struct mptfc_rport_info *ri;
609
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",
616 ioc->name,
617 sdev->host->host_no,
618 vtarget->num_luns,
619 sdev->id, ri->pg0.CurrentTargetID,
620 ri->pg0.PortIdentifier,
621 (unsigned long long)pn,
622 (unsigned long long)nn));
623}
624
3bc7bf1d 625
2496af39 626/*
05e8ec17
MR		 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.
2496af39 631 */
03fbcbcd 632static int
05e8ec17
MR		 633mptfc_slave_alloc(struct scsi_device *sdev)
634{
635 MPT_SCSI_HOST *hd;
636 VirtTarget *vtarget;
a69de507 637 VirtDevice *vdevice;
05e8ec17
MR		 638 struct scsi_target *starget;
639 struct fc_rport *rport;
e80b002b 640 MPT_ADAPTER *ioc;
05e8ec17 641
65207fed
ME		 642 starget = scsi_target(sdev);
643 rport = starget_to_rport(starget);
05e8ec17
MR		 644
645 if (!rport || fc_remote_port_chkready(rport))
646 return -ENXIO;
647
e7eae9f6 648 hd = shost_priv(sdev->host);
e80b002b 649 ioc = hd->ioc;
05e8ec17 650
a69de507
EM		 651 vdevice = kzalloc(sizeof(VirtDevice), GFP_KERNEL);
652 if (!vdevice) {
05e8ec17 653 printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n",
e80b002b 654 ioc->name, sizeof(VirtDevice));
05e8ec17
MR		 655 return -ENOMEM;
656 }
05e8ec17 657
05e8ec17 658
a69de507 659 sdev->hostdata = vdevice;
05e8ec17 660 vtarget = starget->hostdata;
3bc7bf1d 661
05e8ec17 662 if (vtarget->num_luns == 0) {
e80b002b 663 vtarget->ioc_id = ioc->id;
ba856d32 664 vtarget->tflags = MPT_TARGET_FLAGS_Q_YES;
05e8ec17
MR		 665 }
666
a69de507
EM		 667 vdevice->vtarget = vtarget;
668 vdevice->lun = sdev->lun;
05e8ec17 669
05e8ec17
MR		 670 vtarget->num_luns++;
671
65207fed 672
e80b002b 673 mptfc_dump_lun_info(ioc, rport, sdev, vtarget);
05e8ec17
MR		 674
675 return 0;
676}
677
678static int
a48ac9e5 679mptfc_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *SCpnt)
05e8ec17 680{
3bc7bf1d 681 struct mptfc_rport_info *ri;
05e8ec17
MR		 682 struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device));
683 int err;
a69de507 684 VirtDevice *vdevice = SCpnt->device->hostdata;
05e8ec17 685
a69de507 686 if (!vdevice || !vdevice->vtarget) {
793955f5 687 SCpnt->result = DID_NO_CONNECT << 16;
1ae6d167 688 scsi_done(SCpnt);
05e8ec17
MR		 689 return 0;
690 }
65207fed 691
793955f5
EM		 692 err = fc_remote_port_chkready(rport);
693 if (unlikely(err)) {
694 SCpnt->result = err;
1ae6d167 695 scsi_done(SCpnt);
35508e46
MR		 696 return 0;
697 }
698
65207fed 699 /* dd_data is null until finished adding target */
3bc7bf1d 700 ri = *((struct mptfc_rport_info **)rport->dd_data);
65207fed 701 if (unlikely(!ri)) {
65207fed 702 SCpnt->result = DID_IMM_RETRY << 16;
1ae6d167 703 scsi_done(SCpnt);
65207fed
ME		 704 return 0;
705 }
3bc7bf1d 706
a48ac9e5 707 return mptscsih_qcmd(SCpnt);
05e8ec17
MR		 708}
709
eb5329f4
PS		 710/*
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
715 *
716 */
717static void
718mptfc_display_port_link_speed(MPT_ADAPTER *ioc, int portnum, FCPortPage0_t *pp0dest)
719{
720 u8 old_speed, new_speed, state;
721 char *old, *new;
722
723 if (portnum >= 2)
724 return;
725
726 old_speed = ioc->fc_link_speed[portnum];
727 new_speed = pp0dest->CurrentSpeed;
728 state = pp0dest->PortState;
729
730 if (state != MPI_FCPORTPAGE0_PORTSTATE_OFFLINE &&
bcbba7bb 731 new_speed != MPI_FCPORTPAGE0_CURRENT_SPEED_UNKNOWN) {
eb5329f4
PS		 732
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" :
736 "Unknown";
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" :
740 "Unknown";
741 if (old_speed == 0)
742 printk(MYIOC_s_NOTE_FMT
743 "FC Link Established, Speed = %s\n",
744 ioc->name, new);
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);
749
750 ioc->fc_link_speed[portnum] = new_speed;
751 }
752}
753
80d3ac77
MR		 754/*
755 * mptfc_GetFcPortPage0 - Fetch FCPort config Page0.
756 * @ioc: Pointer to MPT_ADAPTER structure
757 * @portnum: IOC Port number
758 *
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)
765 */
766static int
767mptfc_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
768{
769 ConfigPageHeader_t hdr;
770 CONFIGPARMS cfg;
771 FCPortPage0_t *ppage0_alloc;
772 FCPortPage0_t *pp0dest;
773 dma_addr_t page0_dma;
774 int data_sz;
775 int copy_sz;
776 int rc;
777 int count = 400;
778
779 if (portnum > 1)
780 return -EINVAL;
781
782 /* Get FCPort Page 0 header */
783 hdr.PageVersion = 0;
784 hdr.PageLength = 0;
785 hdr.PageNumber = 0;
786 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
787 cfg.cfghdr.hdr = &hdr;
788 cfg.physAddr = -1;
789 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
790 cfg.dir = 0;
791 cfg.pageAddr = portnum;
792 cfg.timeout = 0;
793
794 if ((rc = mpt_config(ioc, &cfg)) != 0)
795 return rc;
796
797 if (hdr.PageLength == 0)
798 return 0;
799
800 data_sz = hdr.PageLength * 4;
801 rc = -ENOMEM;
1897c5c7
CJ		 802 ppage0_alloc = dma_alloc_coherent(&ioc->pcidev->dev, data_sz,
803 &page0_dma, GFP_KERNEL);
80d3ac77
MR		 804 if (ppage0_alloc) {
805
806 try_again:
807 memset((u8 *)ppage0_alloc, 0, data_sz);
808 cfg.physAddr = page0_dma;
809 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
810
811 if ((rc = mpt_config(ioc, &cfg)) == 0) {
812 /* save the data */
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);
816
817 /*
818 * Normalize endianness of structure data,
819 * by byte-swapping all > 1 byte fields!
820 */
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);
837
838 /*
839 * if still doing discovery,
840 * hang loose a while until finished
841 */
77d88ee2
MR		 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)) {
80d3ac77 846 if (count-- > 0) {
d6be06c8 847 msleep(100);
80d3ac77
MR		 848 goto try_again;
849 }
850 printk(MYIOC_s_INFO_FMT "Firmware discovery not"
851 " complete.\n",
852 ioc->name);
853 }
eb5329f4 854 mptfc_display_port_link_speed(ioc, portnum, pp0dest);
80d3ac77
MR		 855 }
856
1897c5c7
CJ		 857 dma_free_coherent(&ioc->pcidev->dev, data_sz, ppage0_alloc,
858 page0_dma);
80d3ac77
MR		 859 }
860
861 return rc;
862}
863
ca2f938e
MR		 864static int
865mptfc_WriteFcPortPage1(MPT_ADAPTER *ioc, int portnum)
866{
867 ConfigPageHeader_t hdr;
868 CONFIGPARMS cfg;
869 int rc;
870
871 if (portnum > 1)
872 return -EINVAL;
873
874 if (!(ioc->fc_data.fc_port_page1[portnum].data))
875 return -EINVAL;
876
877 /* get fcport page 1 header */
878 hdr.PageVersion = 0;
879 hdr.PageLength = 0;
880 hdr.PageNumber = 1;
881 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
882 cfg.cfghdr.hdr = &hdr;
883 cfg.physAddr = -1;
884 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
885 cfg.dir = 0;
886 cfg.pageAddr = portnum;
887 cfg.timeout = 0;
888
889 if ((rc = mpt_config(ioc, &cfg)) != 0)
890 return rc;
891
892 if (hdr.PageLength == 0)
893 return -ENODEV;
894
895 if (hdr.PageLength*4 != ioc->fc_data.fc_port_page1[portnum].pg_sz)
896 return -EINVAL;
897
898 cfg.physAddr = ioc->fc_data.fc_port_page1[portnum].dma;
899 cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
900 cfg.dir = 1;
901
902 rc = mpt_config(ioc, &cfg);
903
904 return rc;
905}
906
907static int
908mptfc_GetFcPortPage1(MPT_ADAPTER *ioc, int portnum)
909{
910 ConfigPageHeader_t hdr;
911 CONFIGPARMS cfg;
912 FCPortPage1_t *page1_alloc;
913 dma_addr_t page1_dma;
914 int data_sz;
915 int rc;
916
917 if (portnum > 1)
918 return -EINVAL;
919
920 /* get fcport page 1 header */
921 hdr.PageVersion = 0;
922 hdr.PageLength = 0;
923 hdr.PageNumber = 1;
924 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
925 cfg.cfghdr.hdr = &hdr;
926 cfg.physAddr = -1;
927 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
928 cfg.dir = 0;
929 cfg.pageAddr = portnum;
930 cfg.timeout = 0;
931
932 if ((rc = mpt_config(ioc, &cfg)) != 0)
933 return rc;
934
935 if (hdr.PageLength == 0)
936 return -ENODEV;
937
938start_over:
939
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);
944
1897c5c7
CJ		 945 page1_alloc = dma_alloc_coherent(&ioc->pcidev->dev, data_sz,
946 &page1_dma, GFP_KERNEL);
ca2f938e
MR		 947 if (!page1_alloc)
948 return -ENOMEM;
949 }
950 else {
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;
1897c5c7
CJ		 956 dma_free_coherent(&ioc->pcidev->dev, data_sz,
957 page1_alloc, page1_dma);
ca2f938e
MR		 958 goto start_over;
959 }
960 }
961
ca2f938e
MR		 962 cfg.physAddr = page1_dma;
963 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
964
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;
969 }
970 else {
971 ioc->fc_data.fc_port_page1[portnum].data = NULL;
1897c5c7
CJ		 972 dma_free_coherent(&ioc->pcidev->dev, data_sz, page1_alloc,
973 page1_dma);
ca2f938e
MR		 974 }
975
976 return rc;
977}
978
979static void
980mptfc_SetFcPortPage1_defaults(MPT_ADAPTER *ioc)
981{
982 int ii;
983 FCPortPage1_t *pp1;
984
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)
989
990 for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) {
991 if (mptfc_GetFcPortPage1(ioc, ii) != 0)
992 continue;
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))
998 continue;
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);
1004 }
1005}
1006
1007
05e8ec17
MR		 1008static void
1009mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum)
1010{
5d947f2b
MR		 1011 unsigned class = 0;
1012 unsigned cos = 0;
1013 unsigned speed;
1014 unsigned port_type;
1015 unsigned port_state;
1016 FCPortPage0_t *pp0;
1017 struct Scsi_Host *sh;
1018 char *sn;
05e8ec17
MR		 1019
1020 /* don't know what to do as only one scsi (fc) host was allocated */
1021 if (portnum != 0)
1022 return;
1023
5d947f2b
MR		 1024 pp0 = &ioc->fc_port_page0[portnum];
1025 sh = ioc->sh;
1026
1027 sn = fc_host_symbolic_name(sh);
1028 snprintf(sn, FC_SYMBOLIC_NAME_SIZE, "%s %s%08xh",
1029 ioc->prod_name,
1030 MPT_FW_REV_MAGIC_ID_STRING,
1031 ioc->facts.FWVersion.Word);
1032
1033 fc_host_tgtid_bind_type(sh) = FC_TGTID_BIND_BY_WWPN;
1034
1035 fc_host_maxframe_size(sh) = pp0->MaxFrameSize;
1036
1037 fc_host_node_name(sh) =
1038 (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low;
1039
1040 fc_host_port_name(sh) =
1041 (u64)pp0->WWPN.High << 32 | (u64)pp0->WWPN.Low;
1042
1043 fc_host_port_id(sh) = pp0->PortIdentifier;
1044
1045 class = pp0->SupportedServiceClass;
05e8ec17
MR		 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;
5d947f2b
MR		 1052 fc_host_supported_classes(sh) = cos;
1053
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;
1062 else
1063 speed = FC_PORTSPEED_UNKNOWN;
1064 fc_host_speed(sh) = speed;
1065
1066 speed = 0;
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;
1076
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;
1083
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;
1094
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;
05e8ec17 1099
05e8ec17
MR		 1100}
1101
eb5329f4
PS		 1102static void
1103mptfc_link_status_change(struct work_struct *work)
1104{
1105 MPT_ADAPTER *ioc =
1106 container_of(work, MPT_ADAPTER, fc_rescan_work);
1107 int ii;
1108
1109 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++)
1110 (void) mptfc_GetFcPortPage0(ioc, ii);
1111
1112}
1113
419835e2 1114static void
c4028958 1115mptfc_setup_reset(struct work_struct *work)
419835e2 1116{
c4028958
DH		 1117 MPT_ADAPTER *ioc =
1118 container_of(work, MPT_ADAPTER, fc_setup_reset_work);
419835e2
MR		 1119 u64 pn;
1120 struct mptfc_rport_info *ri;
08f5c5c2
KD		 1121 struct scsi_target *starget;
1122 VirtTarget *vtarget;
419835e2
MR		 1123
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 */
1129 ri->rport = NULL;
08f5c5c2
KD		 1130 starget = ri->starget;
1131 if (starget) {
1132 vtarget = starget->hostdata;
1133 if (vtarget)
1134 vtarget->deleted = 1;
1135 }
419835e2
MR		 1136
1137 pn = (u64)ri->pg0.WWPN.High << 32 |
1138 (u64)ri->pg0.WWPN.Low;
d6ecdd63 1139 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
419835e2
MR		 1140 "mptfc_setup_reset.%d: %llx deleted\n",
1141 ioc->name,
1142 ioc->sh->host_no,
1143 (unsigned long long)pn));
1144 }
1145 }
1146}
1147
05e8ec17 1148static void
c4028958 1149mptfc_rescan_devices(struct work_struct *work)
05e8ec17 1150{
c4028958
DH		 1151 MPT_ADAPTER *ioc =
1152 container_of(work, MPT_ADAPTER, fc_rescan_work);
05e8ec17 1153 int ii;
65207fed 1154 u64 pn;
05e8ec17 1155 struct mptfc_rport_info *ri;
08f5c5c2
KD		 1156 struct scsi_target *starget;
1157 VirtTarget *vtarget;
05e8ec17 1158
3a0c56d8
MR		 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;
05e8ec17 1163 }
3a0c56d8 1164 }
05e8ec17 1165
3a0c56d8
MR		 1166 /*
1167 * now rescan devices known to adapter,
1168 * will reregister existing rports
1169 */
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);
1174 }
05e8ec17 1175
3a0c56d8
MR		 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) {
05e8ec17 1180
3a0c56d8
MR		 1181 ri->flags &= ~(MPT_RPORT_INFO_FLAGS_REGISTERED|
1182 MPT_RPORT_INFO_FLAGS_MISSING);
1183 fc_remote_port_delete(ri->rport); /* won't sleep */
1184 ri->rport = NULL;
08f5c5c2
KD		 1185 starget = ri->starget;
1186 if (starget) {
1187 vtarget = starget->hostdata;
1188 if (vtarget)
1189 vtarget->deleted = 1;
1190 }
65207fed 1191
3a0c56d8
MR		 1192 pn = (u64)ri->pg0.WWPN.High << 32 |
1193 (u64)ri->pg0.WWPN.Low;
d6ecdd63 1194 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
3a0c56d8
MR		 1195 "mptfc_rescan.%d: %llx deleted\n",
1196 ioc->name,
1197 ioc->sh->host_no,
1198 (unsigned long long)pn));
05e8ec17 1199 }
3a0c56d8 1200 }
05e8ec17
MR		 1201}
1202
2496af39
MED		 1203static int
1204mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
1205{
1206 struct Scsi_Host *sh;
1207 MPT_SCSI_HOST *hd;
1208 MPT_ADAPTER *ioc;
1209 unsigned long flags;
1ca00bb7 1210 int ii;
2496af39
MED		 1211 int numSGE = 0;
1212 int scale;
1213 int ioc_cap;
2496af39
MED		 1214 int error=0;
1215 int r;
05e8ec17 1216
2496af39
MED		 1217 if ((r = mpt_attach(pdev,id)) != 0)
1218 return r;
05e8ec17 1219
2496af39 1220 ioc = pci_get_drvdata(pdev);
d335cc38
MED		 1221 ioc->DoneCtx = mptfcDoneCtx;
1222 ioc->TaskCtx = mptfcTaskCtx;
1223 ioc->InternalCtx = mptfcInternalCtx;
2496af39
MED		 1224
1225 /* Added sanity check on readiness of the MPT adapter.
1226 */
1227 if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) {
1228 printk(MYIOC_s_WARN_FMT
1229 "Skipping because it's not operational!\n",
1230 ioc->name);
7acec1e7
MED		 1231 error = -ENODEV;
1232 goto out_mptfc_probe;
2496af39
MED		 1233 }
1234
1235 if (!ioc->active) {
1236 printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n",
1237 ioc->name);
7acec1e7
MED		 1238 error = -ENODEV;
1239 goto out_mptfc_probe;
2496af39
MED		 1240 }
1241
1242 /* Sanity check - ensure at least 1 port is INITIATOR capable
1243 */
1244 ioc_cap = 0;
1245 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1246 if (ioc->pfacts[ii].ProtocolFlags &
1247 MPI_PORTFACTS_PROTOCOL_INITIATOR)
1248 ioc_cap ++;
1249 }
1250
1251 if (!ioc_cap) {
1252 printk(MYIOC_s_WARN_FMT
1253 "Skipping ioc=%p because SCSI Initiator mode is NOT enabled!\n",
1254 ioc->name, ioc);
793955f5 1255 return 0;
2496af39
MED		 1256 }
1257
1258 sh = scsi_host_alloc(&mptfc_driver_template, sizeof(MPT_SCSI_HOST));
1259
1260 if (!sh) {
1261 printk(MYIOC_s_WARN_FMT
1262 "Unable to register controller with SCSI subsystem\n",
1263 ioc->name);
7acec1e7
MED		 1264 error = -1;
1265 goto out_mptfc_probe;
2496af39
MED		 1266 }
1267
80d3ac77 1268 spin_lock_init(&ioc->fc_rescan_work_lock);
c4028958
DH		 1269 INIT_WORK(&ioc->fc_rescan_work, mptfc_rescan_devices);
1270 INIT_WORK(&ioc->fc_setup_reset_work, mptfc_setup_reset);
eb5329f4 1271 INIT_WORK(&ioc->fc_lsc_work, mptfc_link_status_change);
05e8ec17 1272
2496af39
MED		 1273 spin_lock_irqsave(&ioc->FreeQlock, flags);
1274
1275 /* Attach the SCSI Host to the IOC structure
1276 */
1277 ioc->sh = sh;
1278
1279 sh->io_port = 0;
1280 sh->n_io_port = 0;
1281 sh->irq = 0;
1282
1283 /* set 16 byte cdb's */
1284 sh->max_cmd_len = 16;
1285
793955f5
EM		 1286 sh->max_id = ioc->pfacts->MaxDevices;
1287 sh->max_lun = max_lun;
2496af39 1288
2496af39
MED		 1289 /* Required entry.
1290 */
1291 sh->unique_id = ioc->id;
1292
1293 /* Verify that we won't exceed the maximum
1294 * number of chain buffers
1295 * We can optimize: ZZ = req_sz/sizeof(SGE)
1296 * For 32bit SGE's:
1297 * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ
1298 * + (req_sz - 64)/sizeof(SGE)
1299 * A slightly different algorithm is required for
1300 * 64bit SGEs.
1301 */
14d0f0b0
KD		 1302 scale = ioc->req_sz/ioc->SGE_size;
1303 if (ioc->sg_addr_size == sizeof(u64)) {
2496af39
MED		 1304 numSGE = (scale - 1) *
1305 (ioc->facts.MaxChainDepth-1) + scale +
14d0f0b0 1306 (ioc->req_sz - 60) / ioc->SGE_size;
2496af39
MED		 1307 } else {
1308 numSGE = 1 + (scale - 1) *
1309 (ioc->facts.MaxChainDepth-1) + scale +
14d0f0b0 1310 (ioc->req_sz - 64) / ioc->SGE_size;
2496af39
MED		 1311 }
1312
1313 if (numSGE < sh->sg_tablesize) {
1314 /* Reset this value */
d6ecdd63 1315 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2496af39
MED		 1316 "Resetting sg_tablesize to %d from %d\n",
1317 ioc->name, numSGE, sh->sg_tablesize));
1318 sh->sg_tablesize = numSGE;
1319 }
1320
2496af39
MED		 1321 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1322
e7eae9f6 1323 hd = shost_priv(sh);
2496af39
MED		 1324 hd->ioc = ioc;
1325
1326 /* SCSI needs scsi_cmnd lookup table!
1327 * (with size equal to req_depth*PtrSz!)
1328 */
50838500 1329 ioc->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_KERNEL);
e8206381 1330 if (!ioc->ScsiLookup) {
2496af39 1331 error = -ENOMEM;
7acec1e7 1332 goto out_mptfc_probe;
2496af39 1333 }
e8206381 1334 spin_lock_init(&ioc->scsi_lookup_lock);
2496af39 1335
d6ecdd63 1336 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n",
e8206381 1337 ioc->name, ioc->ScsiLookup));
2496af39 1338
2496af39
MED		 1339 hd->last_queue_full = 0;
1340
05e8ec17 1341 sh->transportt = mptfc_transport_template;
2496af39
MED		 1342 error = scsi_add_host (sh, &ioc->pcidev->dev);
1343 if(error) {
29dd3609
EM		 1344 dprintk(ioc, printk(MYIOC_s_ERR_FMT
1345 "scsi_add_host failed\n", ioc->name));
7acec1e7 1346 goto out_mptfc_probe;
2496af39
MED		 1347 }
1348
65207fed
ME		 1349 /* initialize workqueue */
1350
aab0de24
KS		 1351 snprintf(ioc->fc_rescan_work_q_name, sizeof(ioc->fc_rescan_work_q_name),
1352 "mptfc_wq_%d", sh->host_no);
65207fed 1353 ioc->fc_rescan_work_q =
77d4f080
BS		 1354 alloc_ordered_workqueue(ioc->fc_rescan_work_q_name,
1355 WQ_MEM_RECLAIM);
c08b3f9a
WY		 1356 if (!ioc->fc_rescan_work_q) {
1357 error = -ENOMEM;
cfd2aff7 1358 goto out_mptfc_host;
c08b3f9a 1359 }
65207fed 1360
80d3ac77
MR		 1361 /*
1362 * Pre-fetch FC port WWN and stuff...
1363 * (FCPortPage0_t stuff)
1364 */
1365 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1366 (void) mptfc_GetFcPortPage0(ioc, ii);
1367 }
ca2f938e 1368 mptfc_SetFcPortPage1_defaults(ioc);
80d3ac77 1369
65207fed
ME		 1370 /*
1371 * scan for rports -
1372 * by doing it via the workqueue, some locking is eliminated
1373 */
1374
65207fed
ME		 1375 queue_work(ioc->fc_rescan_work_q, &ioc->fc_rescan_work);
1376 flush_workqueue(ioc->fc_rescan_work_q);
05e8ec17 1377
2496af39
MED		 1378 return 0;
1379
cfd2aff7
HR		 1380out_mptfc_host:
1381 scsi_remove_host(sh);
1382
7acec1e7 1383out_mptfc_probe:
2496af39
MED		 1384
1385 mptscsih_remove(pdev);
1386 return error;
1387}
1388
1389static struct pci_driver mptfc_driver = {
1390 .name = "mptfc",
1391 .id_table = mptfc_pci_table,
1392 .probe = mptfc_probe,
47b1ea75 1393 .remove = mptfc_remove,
d18c3db5 1394 .shutdown = mptscsih_shutdown,
2496af39
MED		 1395#ifdef CONFIG_PM
1396 .suspend = mptscsih_suspend,
1397 .resume = mptscsih_resume,
1398#endif
1399};
1400
80d3ac77
MR		 1401static int
1402mptfc_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
1403{
1404 MPT_SCSI_HOST *hd;
1405 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
1406 unsigned long flags;
1407 int rc=1;
1408
ffb7fef3
KD		 1409 if (ioc->bus_type != FC)
1410 return 0;
1411
d6ecdd63 1412 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n",
80d3ac77
MR		 1413 ioc->name, event));
1414
1415 if (ioc->sh == NULL ||
e7eae9f6 1416 ((hd = shost_priv(ioc->sh)) == NULL))
80d3ac77
MR		 1417 return 1;
1418
1419 switch (event) {
1420 case MPI_EVENT_RESCAN:
1421 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1422 if (ioc->fc_rescan_work_q) {
3a0c56d8
MR		 1423 queue_work(ioc->fc_rescan_work_q,
1424 &ioc->fc_rescan_work);
80d3ac77
MR		 1425 }
1426 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1427 break;
eb5329f4
PS		 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,
1432 &ioc->fc_lsc_work);
1433 }
1434 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1435 break;
80d3ac77
MR		 1436 default:
1437 rc = mptscsih_event_process(ioc,pEvReply);
1438 break;
1439 }
1440 return rc;
1441}
1442
1443static int
1444mptfc_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
1445{
1446 int rc;
1447 unsigned long flags;
1448
1449 rc = mptscsih_ioc_reset(ioc,reset_phase);
ffb7fef3 1450 if ((ioc->bus_type != FC) || (!rc))
80d3ac77
MR		 1451 return rc;
1452
1453
d6ecdd63
PS		 1454 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1455 ": IOC %s_reset routed to FC host driver!\n",ioc->name,
80d3ac77
MR		 1456 reset_phase==MPT_IOC_SETUP_RESET ? "setup" : (
1457 reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post")));
1458
1459 if (reset_phase == MPT_IOC_SETUP_RESET) {
419835e2
MR		 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);
1464 }
1465 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
80d3ac77
MR		 1466 }
1467
1468 else if (reset_phase == MPT_IOC_PRE_RESET) {
1469 }
1470
1471 else { /* MPT_IOC_POST_RESET */
ca2f938e 1472 mptfc_SetFcPortPage1_defaults(ioc);
80d3ac77
MR		 1473 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1474 if (ioc->fc_rescan_work_q) {
3a0c56d8
MR		 1475 queue_work(ioc->fc_rescan_work_q,
1476 &ioc->fc_rescan_work);
80d3ac77
MR		 1477 }
1478 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1479 }
1480 return 1;
1481}
1482
2496af39
MED		 1483/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1484/**
d9489fb6 1485 * mptfc_init - Register MPT adapter(s) as SCSI host(s) with SCSI mid-layer.
2496af39
MED		 1486 *
1487 * Returns 0 for success, non-zero for failure.
1488 */
1489static int __init
1490mptfc_init(void)
1491{
05e8ec17 1492 int error;
2496af39
MED		 1493
1494 show_mptmod_ver(my_NAME, my_VERSION);
1495
ca2f938e
MR		 1496 /* sanity check module parameters */
1497 if (mptfc_dev_loss_tmo <= 0)
05e8ec17
MR		 1498 mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO;
1499
1500 mptfc_transport_template =
1501 fc_attach_transport(&mptfc_transport_functions);
1502
1503 if (!mptfc_transport_template)
1504 return -ENODEV;
1505
213aaca3
KD		 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");
2496af39 1512
d6ecdd63
PS		 1513 mpt_event_register(mptfcDoneCtx, mptfc_event_process);
1514 mpt_reset_register(mptfcDoneCtx, mptfc_ioc_reset);
2496af39 1515
05e8ec17 1516 error = pci_register_driver(&mptfc_driver);
3bc7bf1d 1517 if (error)
05e8ec17 1518 fc_release_transport(mptfc_transport_template);
05e8ec17
MR		 1519
1520 return error;
1521}
1522
1523/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1524/**
d9489fb6 1525 * mptfc_remove - Remove fc infrastructure for devices
05e8ec17
MR		 1526 * @pdev: Pointer to pci_dev structure
1527 *
1528 */
47b1ea75 1529static void mptfc_remove(struct pci_dev *pdev)
05e8ec17 1530{
65207fed
ME		 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;
ca2f938e 1535 int ii;
65207fed
ME		 1536
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);
1543 }
05e8ec17
MR		 1544
1545 fc_remove_host(ioc->sh);
1546
1547 list_for_each_entry_safe(p, n, &ioc->fc_rports, list) {
1548 list_del(&p->list);
1549 kfree(p);
1550 }
1551
ca2f938e
MR		 1552 for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) {
1553 if (ioc->fc_data.fc_port_page1[ii].data) {
1897c5c7
CJ		 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);
ca2f938e
MR		 1558 ioc->fc_data.fc_port_page1[ii].data = NULL;
1559 }
1560 }
1561
cfd2aff7
HR		 1562 scsi_remove_host(ioc->sh);
1563
05e8ec17 1564 mptscsih_remove(pdev);
2496af39
MED		 1565}
1566
1567/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1568/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1569/**
1570 * mptfc_exit - Unregisters MPT adapter(s)
1571 *
1572 */
1573static void __exit
1574mptfc_exit(void)
1575{
1576 pci_unregister_driver(&mptfc_driver);
05e8ec17
MR		 1577 fc_release_transport(mptfc_transport_template);
1578
2496af39 1579 mpt_reset_deregister(mptfcDoneCtx);
2496af39 1580 mpt_event_deregister(mptfcDoneCtx);
2496af39
MED		 1581
1582 mpt_deregister(mptfcInternalCtx);
1583 mpt_deregister(mptfcTaskCtx);
1584 mpt_deregister(mptfcDoneCtx);
1585}
1586
1587module_init(mptfc_init);
1588module_exit(mptfc_exit);
Linux 6.x block layer and io_uring tree(s)