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[linux-2.6-block.git] / drivers / message / fusion / mptfc.c
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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 */
53#include <linux/interrupt.h> /* needed for in_interrupt() proto */
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
MR		 102static void mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout);
103static void __devexit 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);
107static int mptfc_host_reset(struct scsi_cmnd *SCpnt);
05e8ec17 108
2496af39 109static struct scsi_host_template mptfc_driver_template = {
f78496da 110 .module = THIS_MODULE,
2496af39
MED		 111 .proc_name = "mptfc",
112 .proc_info = mptscsih_proc_info,
113 .name = "MPT FC Host",
114 .info = mptscsih_info,
05e8ec17 115 .queuecommand = mptfc_qcmd,
3bc7bf1d 116 .target_alloc = mptfc_target_alloc,
05e8ec17 117 .slave_alloc = mptfc_slave_alloc,
2496af39 118 .slave_configure = mptscsih_slave_configure,
3bc7bf1d 119 .target_destroy = mptfc_target_destroy,
2496af39 120 .slave_destroy = mptscsih_slave_destroy,
6e3815ba 121 .change_queue_depth = mptscsih_change_queue_depth,
35508e46
MR		 122 .eh_abort_handler = mptfc_abort,
123 .eh_device_reset_handler = mptfc_dev_reset,
124 .eh_bus_reset_handler = mptfc_bus_reset,
125 .eh_host_reset_handler = mptfc_host_reset,
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,
132 .use_clustering = ENABLE_CLUSTERING,
edb9068d 133 .shost_attrs = mptscsih_host_attrs,
2496af39
MED		 134};
135
136/****************************************************************************
137 * Supported hardware
138 */
139
140static struct pci_device_id mptfc_pci_table[] = {
87cf8986 141 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC909,
2496af39 142 PCI_ANY_ID, PCI_ANY_ID },
87cf8986 143 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC919,
2496af39 144 PCI_ANY_ID, PCI_ANY_ID },
87cf8986 145 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC929,
2496af39 146 PCI_ANY_ID, PCI_ANY_ID },
87cf8986 147 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC919X,
2496af39 148 PCI_ANY_ID, PCI_ANY_ID },
87cf8986 149 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC929X,
2496af39 150 PCI_ANY_ID, PCI_ANY_ID },
87cf8986 151 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC939X,
3fadc59d 152 PCI_ANY_ID, PCI_ANY_ID },
87cf8986 153 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC949X,
3fadc59d 154 PCI_ANY_ID, PCI_ANY_ID },
87cf8986 155 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC949E,
6d5b0c31 156 PCI_ANY_ID, PCI_ANY_ID },
ef1d8df7
PS		 157 { PCI_VENDOR_ID_BROCADE, MPI_MANUFACTPAGE_DEVICEID_FC949E,
158 PCI_ANY_ID, PCI_ANY_ID },
2496af39
MED		 159 {0} /* Terminating entry */
160};
161MODULE_DEVICE_TABLE(pci, mptfc_pci_table);
162
05e8ec17
MR		 163static struct scsi_transport_template *mptfc_transport_template = NULL;
164
03fbcbcd 165static struct fc_function_template mptfc_transport_functions = {
05e8ec17
MR		 166 .dd_fcrport_size = 8,
167 .show_host_node_name = 1,
168 .show_host_port_name = 1,
169 .show_host_supported_classes = 1,
170 .show_host_port_id = 1,
171 .show_rport_supported_classes = 1,
172 .show_starget_node_name = 1,
173 .show_starget_port_name = 1,
174 .show_starget_port_id = 1,
175 .set_rport_dev_loss_tmo = mptfc_set_rport_loss_tmo,
176 .show_rport_dev_loss_tmo = 1,
5d947f2b
MR		 177 .show_host_supported_speeds = 1,
178 .show_host_maxframe_size = 1,
179 .show_host_speed = 1,
180 .show_host_fabric_name = 1,
181 .show_host_port_type = 1,
182 .show_host_port_state = 1,
183 .show_host_symbolic_name = 1,
05e8ec17
MR		 184};
185
35508e46
MR		 186static int
187mptfc_block_error_handler(struct scsi_cmnd *SCpnt,
188 int (*func)(struct scsi_cmnd *SCpnt),
189 const char *caller)
190{
d6ecdd63 191 MPT_SCSI_HOST *hd;
35508e46
MR		 192 struct scsi_device *sdev = SCpnt->device;
193 struct Scsi_Host *shost = sdev->host;
194 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
195 unsigned long flags;
196 int ready;
e80b002b 197 MPT_ADAPTER *ioc;
03cb3829 198 int loops = 40; /* seconds */
35508e46 199
e7eae9f6 200 hd = shost_priv(SCpnt->device->host);
e80b002b 201 ioc = hd->ioc;
35508e46 202 spin_lock_irqsave(shost->host_lock, flags);
03cb3829
MR		 203 while ((ready = fc_remote_port_chkready(rport) >> 16) == DID_IMM_RETRY
204 || (loops > 0 && ioc->active == 0)) {
35508e46 205 spin_unlock_irqrestore(shost->host_lock, flags);
e80b002b 206 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
35508e46 207 "mptfc_block_error_handler.%d: %d:%d, port status is "
03cb3829 208 "%x, active flag %d, deferring %s recovery.\n",
e7eae9f6 209 ioc->name, ioc->sh->host_no,
03cb3829
MR		 210 SCpnt->device->id, SCpnt->device->lun,
211 ready, ioc->active, caller));
35508e46
MR		 212 msleep(1000);
213 spin_lock_irqsave(shost->host_lock, flags);
03cb3829 214 loops --;
35508e46
MR		 215 }
216 spin_unlock_irqrestore(shost->host_lock, flags);
217
03cb3829
MR		 218 if (ready == DID_NO_CONNECT || !SCpnt->device->hostdata
219 || ioc->active == 0) {
e80b002b 220 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
35508e46 221 "%s.%d: %d:%d, failing recovery, "
03cb3829 222 "port state %x, active %d, vdevice %p.\n", caller,
e7eae9f6 223 ioc->name, ioc->sh->host_no,
29dd3609 224 SCpnt->device->id, SCpnt->device->lun, ready,
03cb3829 225 ioc->active, SCpnt->device->hostdata));
35508e46
MR		 226 return FAILED;
227 }
e80b002b 228 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
35508e46 229 "%s.%d: %d:%d, executing recovery.\n", caller,
e7eae9f6 230 ioc->name, ioc->sh->host_no,
29dd3609 231 SCpnt->device->id, SCpnt->device->lun));
35508e46
MR		 232 return (*func)(SCpnt);
233}
234
235static int
236mptfc_abort(struct scsi_cmnd *SCpnt)
237{
238 return
cadbd4a5 239 mptfc_block_error_handler(SCpnt, mptscsih_abort, __func__);
35508e46
MR		 240}
241
242static int
243mptfc_dev_reset(struct scsi_cmnd *SCpnt)
244{
245 return
cadbd4a5 246 mptfc_block_error_handler(SCpnt, mptscsih_dev_reset, __func__);
35508e46
MR		 247}
248
249static int
250mptfc_bus_reset(struct scsi_cmnd *SCpnt)
251{
252 return
cadbd4a5 253 mptfc_block_error_handler(SCpnt, mptscsih_bus_reset, __func__);
35508e46
MR		 254}
255
256static int
257mptfc_host_reset(struct scsi_cmnd *SCpnt)
258{
259 return
cadbd4a5 260 mptfc_block_error_handler(SCpnt, mptscsih_host_reset, __func__);
35508e46
MR		 261}
262
05e8ec17
MR		 263static void
264mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
265{
266 if (timeout > 0)
267 rport->dev_loss_tmo = timeout;
268 else
269 rport->dev_loss_tmo = mptfc_dev_loss_tmo;
270}
271
272static int
273mptfc_FcDevPage0_cmp_func(const void *a, const void *b)
274{
275 FCDevicePage0_t **aa = (FCDevicePage0_t **)a;
276 FCDevicePage0_t **bb = (FCDevicePage0_t **)b;
277
278 if ((*aa)->CurrentBus == (*bb)->CurrentBus) {
279 if ((*aa)->CurrentTargetID == (*bb)->CurrentTargetID)
280 return 0;
281 if ((*aa)->CurrentTargetID < (*bb)->CurrentTargetID)
282 return -1;
283 return 1;
284 }
285 if ((*aa)->CurrentBus < (*bb)->CurrentBus)
286 return -1;
287 return 1;
288}
289
290static int
291mptfc_GetFcDevPage0(MPT_ADAPTER *ioc, int ioc_port,
292 void(*func)(MPT_ADAPTER *ioc,int channel, FCDevicePage0_t *arg))
293{
294 ConfigPageHeader_t hdr;
295 CONFIGPARMS cfg;
296 FCDevicePage0_t *ppage0_alloc, *fc;
297 dma_addr_t page0_dma;
298 int data_sz;
299 int ii;
300
301 FCDevicePage0_t *p0_array=NULL, *p_p0;
302 FCDevicePage0_t **pp0_array=NULL, **p_pp0;
303
304 int rc = -ENOMEM;
305 U32 port_id = 0xffffff;
306 int num_targ = 0;
307 int max_bus = ioc->facts.MaxBuses;
793955f5 308 int max_targ;
05e8ec17 309
793955f5 310 max_targ = (ioc->facts.MaxDevices == 0) ? 256 : ioc->facts.MaxDevices;
05e8ec17
MR		 311
312 data_sz = sizeof(FCDevicePage0_t) * max_bus * max_targ;
313 p_p0 = p0_array = kzalloc(data_sz, GFP_KERNEL);
314 if (!p0_array)
315 goto out;
316
317 data_sz = sizeof(FCDevicePage0_t *) * max_bus * max_targ;
318 p_pp0 = pp0_array = kzalloc(data_sz, GFP_KERNEL);
319 if (!pp0_array)
320 goto out;
321
322 do {
323 /* Get FC Device Page 0 header */
324 hdr.PageVersion = 0;
325 hdr.PageLength = 0;
326 hdr.PageNumber = 0;
327 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_DEVICE;
328 cfg.cfghdr.hdr = &hdr;
329 cfg.physAddr = -1;
330 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
331 cfg.dir = 0;
332 cfg.pageAddr = port_id;
333 cfg.timeout = 0;
334
335 if ((rc = mpt_config(ioc, &cfg)) != 0)
336 break;
337
338 if (hdr.PageLength <= 0)
339 break;
340
341 data_sz = hdr.PageLength * 4;
342 ppage0_alloc = pci_alloc_consistent(ioc->pcidev, data_sz,
343 &page0_dma);
344 rc = -ENOMEM;
345 if (!ppage0_alloc)
346 break;
347
348 cfg.physAddr = page0_dma;
349 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
350
351 if ((rc = mpt_config(ioc, &cfg)) == 0) {
352 ppage0_alloc->PortIdentifier =
353 le32_to_cpu(ppage0_alloc->PortIdentifier);
354
355 ppage0_alloc->WWNN.Low =
356 le32_to_cpu(ppage0_alloc->WWNN.Low);
357
358 ppage0_alloc->WWNN.High =
359 le32_to_cpu(ppage0_alloc->WWNN.High);
360
361 ppage0_alloc->WWPN.Low =
362 le32_to_cpu(ppage0_alloc->WWPN.Low);
363
364 ppage0_alloc->WWPN.High =
365 le32_to_cpu(ppage0_alloc->WWPN.High);
366
367 ppage0_alloc->BBCredit =
368 le16_to_cpu(ppage0_alloc->BBCredit);
369
370 ppage0_alloc->MaxRxFrameSize =
371 le16_to_cpu(ppage0_alloc->MaxRxFrameSize);
372
373 port_id = ppage0_alloc->PortIdentifier;
374 num_targ++;
375 *p_p0 = *ppage0_alloc; /* save data */
376 *p_pp0++ = p_p0++; /* save addr */
377 }
378 pci_free_consistent(ioc->pcidev, data_sz,
379 (u8 *) ppage0_alloc, page0_dma);
380 if (rc != 0)
381 break;
382
383 } while (port_id <= 0xff0000);
384
385 if (num_targ) {
386 /* sort array */
387 if (num_targ > 1)
388 sort (pp0_array, num_targ, sizeof(FCDevicePage0_t *),
389 mptfc_FcDevPage0_cmp_func, NULL);
390 /* call caller's func for each targ */
391 for (ii = 0; ii < num_targ; ii++) {
392 fc = *(pp0_array+ii);
393 func(ioc, ioc_port, fc);
394 }
395 }
396
397 out:
8f760780
JJ		 398 kfree(pp0_array);
399 kfree(p0_array);
05e8ec17
MR		 400 return rc;
401}
402
403static int
404mptfc_generate_rport_ids(FCDevicePage0_t *pg0, struct fc_rport_identifiers *rid)
405{
406 /* not currently usable */
407 if (pg0->Flags & (MPI_FC_DEVICE_PAGE0_FLAGS_PLOGI_INVALID |
408 MPI_FC_DEVICE_PAGE0_FLAGS_PRLI_INVALID))
409 return -1;
410
411 if (!(pg0->Flags & MPI_FC_DEVICE_PAGE0_FLAGS_TARGETID_BUS_VALID))
412 return -1;
413
414 if (!(pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_TARGET))
415 return -1;
416
417 /*
418 * board data structure already normalized to platform endianness
419 * shifted to avoid unaligned access on 64 bit architecture
420 */
421 rid->node_name = ((u64)pg0->WWNN.High) << 32 | (u64)pg0->WWNN.Low;
422 rid->port_name = ((u64)pg0->WWPN.High) << 32 | (u64)pg0->WWPN.Low;
423 rid->port_id = pg0->PortIdentifier;
424 rid->roles = FC_RPORT_ROLE_UNKNOWN;
05e8ec17
MR		 425
426 return 0;
427}
428
429static void
430mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0)
431{
432 struct fc_rport_identifiers rport_ids;
433 struct fc_rport *rport;
434 struct mptfc_rport_info *ri;
3bc7bf1d 435 int new_ri = 1;
65207fed 436 u64 pn, nn;
3bc7bf1d 437 VirtTarget *vtarget;
6dd727da 438 u32 roles = FC_RPORT_ROLE_UNKNOWN;
05e8ec17
MR		 439
440 if (mptfc_generate_rport_ids(pg0, &rport_ids) < 0)
441 return;
442
6dd727da 443 roles |= FC_RPORT_ROLE_FCP_TARGET;
444 if (pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_INITIATOR)
445 roles |= FC_RPORT_ROLE_FCP_INITIATOR;
446
05e8ec17 447 /* scan list looking for a match */
05e8ec17 448 list_for_each_entry(ri, &ioc->fc_rports, list) {
3bc7bf1d
MR		 449 pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
450 if (pn == rport_ids.port_name) { /* match */
05e8ec17 451 list_move_tail(&ri->list, &ioc->fc_rports);
3bc7bf1d 452 new_ri = 0;
05e8ec17
MR		 453 break;
454 }
455 }
3bc7bf1d 456 if (new_ri) { /* allocate one */
05e8ec17
MR		 457 ri = kzalloc(sizeof(struct mptfc_rport_info), GFP_KERNEL);
458 if (!ri)
459 return;
05e8ec17
MR		 460 list_add_tail(&ri->list, &ioc->fc_rports);
461 }
462
463 ri->pg0 = *pg0; /* add/update pg0 data */
464 ri->flags &= ~MPT_RPORT_INFO_FLAGS_MISSING;
465
3bc7bf1d 466 /* MPT_RPORT_INFO_FLAGS_REGISTERED - rport not previously deleted */
05e8ec17
MR		 467 if (!(ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED)) {
468 ri->flags |= MPT_RPORT_INFO_FLAGS_REGISTERED;
3bc7bf1d 469 rport = fc_remote_port_add(ioc->sh, channel, &rport_ids);
05e8ec17 470 if (rport) {
3bc7bf1d
MR		 471 ri->rport = rport;
472 if (new_ri) /* may have been reset by user */
473 rport->dev_loss_tmo = mptfc_dev_loss_tmo;
05e8ec17
MR		 474 /*
475 * if already mapped, remap here. If not mapped,
3bc7bf1d 476 * target_alloc will allocate vtarget and map,
a69de507 477 * slave_alloc will fill in vdevice from vtarget.
05e8ec17 478 */
3bc7bf1d
MR		 479 if (ri->starget) {
480 vtarget = ri->starget->hostdata;
481 if (vtarget) {
793955f5
EM		 482 vtarget->id = pg0->CurrentTargetID;
483 vtarget->channel = pg0->CurrentBus;
08f5c5c2 484 vtarget->deleted = 0;
3bc7bf1d 485 }
05e8ec17 486 }
65207fed 487 *((struct mptfc_rport_info **)rport->dd_data) = ri;
6dd727da 488 /* scan will be scheduled once rport becomes a target */
489 fc_remote_port_rolechg(rport,roles);
65207fed
ME		 490
491 pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
492 nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low;
d6ecdd63 493 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
3bc7bf1d 494 "mptfc_reg_dev.%d: %x, %llx / %llx, tid %d, "
05e8ec17 495 "rport tid %d, tmo %d\n",
3bc7bf1d 496 ioc->name,
914c2d8e 497 ioc->sh->host_no,
05e8ec17 498 pg0->PortIdentifier,
65207fed
ME		 499 (unsigned long long)nn,
500 (unsigned long long)pn,
05e8ec17
MR		 501 pg0->CurrentTargetID,
502 ri->rport->scsi_target_id,
3bc7bf1d 503 ri->rport->dev_loss_tmo));
05e8ec17
MR		 504 } else {
505 list_del(&ri->list);
506 kfree(ri);
507 ri = NULL;
508 }
509 }
05e8ec17
MR		 510}
511
3bc7bf1d
MR		 512/*
513 * OS entry point to allow for host driver to free allocated memory
514 * Called if no device present or device being unloaded
515 */
516static void
517mptfc_target_destroy(struct scsi_target *starget)
518{
519 struct fc_rport *rport;
520 struct mptfc_rport_info *ri;
521
522 rport = starget_to_rport(starget);
523 if (rport) {
524 ri = *((struct mptfc_rport_info **)rport->dd_data);
525 if (ri) /* better be! */
526 ri->starget = NULL;
527 }
528 if (starget->hostdata)
529 kfree(starget->hostdata);
530 starget->hostdata = NULL;
531}
532
533/*
534 * OS entry point to allow host driver to alloc memory
535 * for each scsi target. Called once per device the bus scan.
536 * Return non-zero if allocation fails.
537 */
538static int
539mptfc_target_alloc(struct scsi_target *starget)
540{
541 VirtTarget *vtarget;
542 struct fc_rport *rport;
543 struct mptfc_rport_info *ri;
544 int rc;
545
546 vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL);
547 if (!vtarget)
548 return -ENOMEM;
549 starget->hostdata = vtarget;
550
551 rc = -ENODEV;
552 rport = starget_to_rport(starget);
553 if (rport) {
554 ri = *((struct mptfc_rport_info **)rport->dd_data);
555 if (ri) { /* better be! */
793955f5
EM		 556 vtarget->id = ri->pg0.CurrentTargetID;
557 vtarget->channel = ri->pg0.CurrentBus;
3bc7bf1d 558 ri->starget = starget;
3bc7bf1d
MR		 559 rc = 0;
560 }
561 }
562 if (rc != 0) {
563 kfree(vtarget);
564 starget->hostdata = NULL;
565 }
566
567 return rc;
568}
d6ecdd63
PS		 569/*
570 * mptfc_dump_lun_info
571 * @ioc
572 * @rport
573 * @sdev
574 *
575 */
576static void
577mptfc_dump_lun_info(MPT_ADAPTER *ioc, struct fc_rport *rport, struct scsi_device *sdev,
578 VirtTarget *vtarget)
579{
580 u64 nn, pn;
581 struct mptfc_rport_info *ri;
582
583 ri = *((struct mptfc_rport_info **)rport->dd_data);
584 pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
585 nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low;
586 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
587 "mptfc_slv_alloc.%d: num_luns %d, sdev.id %d, "
588 "CurrentTargetID %d, %x %llx %llx\n",
589 ioc->name,
590 sdev->host->host_no,
591 vtarget->num_luns,
592 sdev->id, ri->pg0.CurrentTargetID,
593 ri->pg0.PortIdentifier,
594 (unsigned long long)pn,
595 (unsigned long long)nn));
596}
597
3bc7bf1d 598
2496af39 599/*
05e8ec17
MR		 600 * OS entry point to allow host driver to alloc memory
601 * for each scsi device. Called once per device the bus scan.
602 * Return non-zero if allocation fails.
603 * Init memory once per LUN.
2496af39 604 */
03fbcbcd 605static int
05e8ec17
MR		 606mptfc_slave_alloc(struct scsi_device *sdev)
607{
608 MPT_SCSI_HOST *hd;
609 VirtTarget *vtarget;
a69de507 610 VirtDevice *vdevice;
05e8ec17
MR		 611 struct scsi_target *starget;
612 struct fc_rport *rport;
e80b002b 613 MPT_ADAPTER *ioc;
05e8ec17 614
65207fed
ME		 615 starget = scsi_target(sdev);
616 rport = starget_to_rport(starget);
05e8ec17
MR		 617
618 if (!rport || fc_remote_port_chkready(rport))
619 return -ENXIO;
620
e7eae9f6 621 hd = shost_priv(sdev->host);
e80b002b 622 ioc = hd->ioc;
05e8ec17 623
a69de507
EM		 624 vdevice = kzalloc(sizeof(VirtDevice), GFP_KERNEL);
625 if (!vdevice) {
05e8ec17 626 printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n",
e80b002b 627 ioc->name, sizeof(VirtDevice));
05e8ec17
MR		 628 return -ENOMEM;
629 }
05e8ec17 630
05e8ec17 631
a69de507 632 sdev->hostdata = vdevice;
05e8ec17 633 vtarget = starget->hostdata;
3bc7bf1d 634
05e8ec17 635 if (vtarget->num_luns == 0) {
e80b002b 636 vtarget->ioc_id = ioc->id;
ba856d32 637 vtarget->tflags = MPT_TARGET_FLAGS_Q_YES;
05e8ec17
MR		 638 }
639
a69de507
EM		 640 vdevice->vtarget = vtarget;
641 vdevice->lun = sdev->lun;
05e8ec17 642
05e8ec17
MR		 643 vtarget->num_luns++;
644
65207fed 645
e80b002b 646 mptfc_dump_lun_info(ioc, rport, sdev, vtarget);
05e8ec17
MR		 647
648 return 0;
649}
650
651static int
f281233d 652mptfc_qcmd_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
05e8ec17 653{
3bc7bf1d 654 struct mptfc_rport_info *ri;
05e8ec17
MR		 655 struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device));
656 int err;
a69de507 657 VirtDevice *vdevice = SCpnt->device->hostdata;
05e8ec17 658
a69de507 659 if (!vdevice || !vdevice->vtarget) {
793955f5 660 SCpnt->result = DID_NO_CONNECT << 16;
05e8ec17
MR		 661 done(SCpnt);
662 return 0;
663 }
65207fed 664
793955f5
EM		 665 err = fc_remote_port_chkready(rport);
666 if (unlikely(err)) {
667 SCpnt->result = err;
35508e46
MR		 668 done(SCpnt);
669 return 0;
670 }
671
65207fed 672 /* dd_data is null until finished adding target */
3bc7bf1d 673 ri = *((struct mptfc_rport_info **)rport->dd_data);
65207fed 674 if (unlikely(!ri)) {
65207fed
ME		 675 SCpnt->result = DID_IMM_RETRY << 16;
676 done(SCpnt);
677 return 0;
678 }
3bc7bf1d 679
d6ecdd63 680 return mptscsih_qcmd(SCpnt,done);
05e8ec17
MR		 681}
682
f281233d
JG		 683static DEF_SCSI_QCMD(mptfc_qcmd)
684
eb5329f4
PS		 685/*
686 * mptfc_display_port_link_speed - displaying link speed
687 * @ioc: Pointer to MPT_ADAPTER structure
688 * @portnum: IOC Port number
689 * @pp0dest: port page0 data payload
690 *
691 */
692static void
693mptfc_display_port_link_speed(MPT_ADAPTER *ioc, int portnum, FCPortPage0_t *pp0dest)
694{
695 u8 old_speed, new_speed, state;
696 char *old, *new;
697
698 if (portnum >= 2)
699 return;
700
701 old_speed = ioc->fc_link_speed[portnum];
702 new_speed = pp0dest->CurrentSpeed;
703 state = pp0dest->PortState;
704
705 if (state != MPI_FCPORTPAGE0_PORTSTATE_OFFLINE &&
706 new_speed != MPI_FCPORTPAGE0_CURRENT_SPEED_UKNOWN) {
707
708 old = old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT ? "1 Gbps" :
709 old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT ? "2 Gbps" :
710 old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT ? "4 Gbps" :
711 "Unknown";
712 new = new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT ? "1 Gbps" :
713 new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT ? "2 Gbps" :
714 new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT ? "4 Gbps" :
715 "Unknown";
716 if (old_speed == 0)
717 printk(MYIOC_s_NOTE_FMT
718 "FC Link Established, Speed = %s\n",
719 ioc->name, new);
720 else if (old_speed != new_speed)
721 printk(MYIOC_s_WARN_FMT
722 "FC Link Speed Change, Old Speed = %s, New Speed = %s\n",
723 ioc->name, old, new);
724
725 ioc->fc_link_speed[portnum] = new_speed;
726 }
727}
728
80d3ac77
MR		 729/*
730 * mptfc_GetFcPortPage0 - Fetch FCPort config Page0.
731 * @ioc: Pointer to MPT_ADAPTER structure
732 * @portnum: IOC Port number
733 *
734 * Return: 0 for success
735 * -ENOMEM if no memory available
736 * -EPERM if not allowed due to ISR context
737 * -EAGAIN if no msg frames currently available
738 * -EFAULT for non-successful reply or no reply (timeout)
739 * -EINVAL portnum arg out of range (hardwired to two elements)
740 */
741static int
742mptfc_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
743{
744 ConfigPageHeader_t hdr;
745 CONFIGPARMS cfg;
746 FCPortPage0_t *ppage0_alloc;
747 FCPortPage0_t *pp0dest;
748 dma_addr_t page0_dma;
749 int data_sz;
750 int copy_sz;
751 int rc;
752 int count = 400;
753
754 if (portnum > 1)
755 return -EINVAL;
756
757 /* Get FCPort Page 0 header */
758 hdr.PageVersion = 0;
759 hdr.PageLength = 0;
760 hdr.PageNumber = 0;
761 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
762 cfg.cfghdr.hdr = &hdr;
763 cfg.physAddr = -1;
764 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
765 cfg.dir = 0;
766 cfg.pageAddr = portnum;
767 cfg.timeout = 0;
768
769 if ((rc = mpt_config(ioc, &cfg)) != 0)
770 return rc;
771
772 if (hdr.PageLength == 0)
773 return 0;
774
775 data_sz = hdr.PageLength * 4;
776 rc = -ENOMEM;
777 ppage0_alloc = (FCPortPage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page0_dma);
778 if (ppage0_alloc) {
779
780 try_again:
781 memset((u8 *)ppage0_alloc, 0, data_sz);
782 cfg.physAddr = page0_dma;
783 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
784
785 if ((rc = mpt_config(ioc, &cfg)) == 0) {
786 /* save the data */
787 pp0dest = &ioc->fc_port_page0[portnum];
788 copy_sz = min_t(int, sizeof(FCPortPage0_t), data_sz);
789 memcpy(pp0dest, ppage0_alloc, copy_sz);
790
791 /*
792 * Normalize endianness of structure data,
793 * by byte-swapping all > 1 byte fields!
794 */
795 pp0dest->Flags = le32_to_cpu(pp0dest->Flags);
796 pp0dest->PortIdentifier = le32_to_cpu(pp0dest->PortIdentifier);
797 pp0dest->WWNN.Low = le32_to_cpu(pp0dest->WWNN.Low);
798 pp0dest->WWNN.High = le32_to_cpu(pp0dest->WWNN.High);
799 pp0dest->WWPN.Low = le32_to_cpu(pp0dest->WWPN.Low);
800 pp0dest->WWPN.High = le32_to_cpu(pp0dest->WWPN.High);
801 pp0dest->SupportedServiceClass = le32_to_cpu(pp0dest->SupportedServiceClass);
802 pp0dest->SupportedSpeeds = le32_to_cpu(pp0dest->SupportedSpeeds);
803 pp0dest->CurrentSpeed = le32_to_cpu(pp0dest->CurrentSpeed);
804 pp0dest->MaxFrameSize = le32_to_cpu(pp0dest->MaxFrameSize);
805 pp0dest->FabricWWNN.Low = le32_to_cpu(pp0dest->FabricWWNN.Low);
806 pp0dest->FabricWWNN.High = le32_to_cpu(pp0dest->FabricWWNN.High);
807 pp0dest->FabricWWPN.Low = le32_to_cpu(pp0dest->FabricWWPN.Low);
808 pp0dest->FabricWWPN.High = le32_to_cpu(pp0dest->FabricWWPN.High);
809 pp0dest->DiscoveredPortsCount = le32_to_cpu(pp0dest->DiscoveredPortsCount);
810 pp0dest->MaxInitiators = le32_to_cpu(pp0dest->MaxInitiators);
811
812 /*
813 * if still doing discovery,
814 * hang loose a while until finished
815 */
77d88ee2
MR		 816 if ((pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_UNKNOWN) ||
817 (pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE &&
818 (pp0dest->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_TYPE_MASK)
819 == MPI_FCPORTPAGE0_FLAGS_ATTACH_NO_INIT)) {
80d3ac77 820 if (count-- > 0) {
d6be06c8 821 msleep(100);
80d3ac77
MR		 822 goto try_again;
823 }
824 printk(MYIOC_s_INFO_FMT "Firmware discovery not"
825 " complete.\n",
826 ioc->name);
827 }
eb5329f4 828 mptfc_display_port_link_speed(ioc, portnum, pp0dest);
80d3ac77
MR		 829 }
830
831 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage0_alloc, page0_dma);
832 }
833
834 return rc;
835}
836
ca2f938e
MR		 837static int
838mptfc_WriteFcPortPage1(MPT_ADAPTER *ioc, int portnum)
839{
840 ConfigPageHeader_t hdr;
841 CONFIGPARMS cfg;
842 int rc;
843
844 if (portnum > 1)
845 return -EINVAL;
846
847 if (!(ioc->fc_data.fc_port_page1[portnum].data))
848 return -EINVAL;
849
850 /* get fcport page 1 header */
851 hdr.PageVersion = 0;
852 hdr.PageLength = 0;
853 hdr.PageNumber = 1;
854 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
855 cfg.cfghdr.hdr = &hdr;
856 cfg.physAddr = -1;
857 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
858 cfg.dir = 0;
859 cfg.pageAddr = portnum;
860 cfg.timeout = 0;
861
862 if ((rc = mpt_config(ioc, &cfg)) != 0)
863 return rc;
864
865 if (hdr.PageLength == 0)
866 return -ENODEV;
867
868 if (hdr.PageLength*4 != ioc->fc_data.fc_port_page1[portnum].pg_sz)
869 return -EINVAL;
870
871 cfg.physAddr = ioc->fc_data.fc_port_page1[portnum].dma;
872 cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
873 cfg.dir = 1;
874
875 rc = mpt_config(ioc, &cfg);
876
877 return rc;
878}
879
880static int
881mptfc_GetFcPortPage1(MPT_ADAPTER *ioc, int portnum)
882{
883 ConfigPageHeader_t hdr;
884 CONFIGPARMS cfg;
885 FCPortPage1_t *page1_alloc;
886 dma_addr_t page1_dma;
887 int data_sz;
888 int rc;
889
890 if (portnum > 1)
891 return -EINVAL;
892
893 /* get fcport page 1 header */
894 hdr.PageVersion = 0;
895 hdr.PageLength = 0;
896 hdr.PageNumber = 1;
897 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
898 cfg.cfghdr.hdr = &hdr;
899 cfg.physAddr = -1;
900 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
901 cfg.dir = 0;
902 cfg.pageAddr = portnum;
903 cfg.timeout = 0;
904
905 if ((rc = mpt_config(ioc, &cfg)) != 0)
906 return rc;
907
908 if (hdr.PageLength == 0)
909 return -ENODEV;
910
911start_over:
912
913 if (ioc->fc_data.fc_port_page1[portnum].data == NULL) {
914 data_sz = hdr.PageLength * 4;
915 if (data_sz < sizeof(FCPortPage1_t))
916 data_sz = sizeof(FCPortPage1_t);
917
918 page1_alloc = (FCPortPage1_t *) pci_alloc_consistent(ioc->pcidev,
919 data_sz,
920 &page1_dma);
921 if (!page1_alloc)
922 return -ENOMEM;
923 }
924 else {
925 page1_alloc = ioc->fc_data.fc_port_page1[portnum].data;
926 page1_dma = ioc->fc_data.fc_port_page1[portnum].dma;
927 data_sz = ioc->fc_data.fc_port_page1[portnum].pg_sz;
928 if (hdr.PageLength * 4 > data_sz) {
929 ioc->fc_data.fc_port_page1[portnum].data = NULL;
930 pci_free_consistent(ioc->pcidev, data_sz, (u8 *)
931 page1_alloc, page1_dma);
932 goto start_over;
933 }
934 }
935
936 memset(page1_alloc,0,data_sz);
937
938 cfg.physAddr = page1_dma;
939 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
940
941 if ((rc = mpt_config(ioc, &cfg)) == 0) {
942 ioc->fc_data.fc_port_page1[portnum].data = page1_alloc;
943 ioc->fc_data.fc_port_page1[portnum].pg_sz = data_sz;
944 ioc->fc_data.fc_port_page1[portnum].dma = page1_dma;
945 }
946 else {
947 ioc->fc_data.fc_port_page1[portnum].data = NULL;
948 pci_free_consistent(ioc->pcidev, data_sz, (u8 *)
949 page1_alloc, page1_dma);
950 }
951
952 return rc;
953}
954
955static void
956mptfc_SetFcPortPage1_defaults(MPT_ADAPTER *ioc)
957{
958 int ii;
959 FCPortPage1_t *pp1;
960
961 #define MPTFC_FW_DEVICE_TIMEOUT (1)
962 #define MPTFC_FW_IO_PEND_TIMEOUT (1)
963 #define ON_FLAGS (MPI_FCPORTPAGE1_FLAGS_IMMEDIATE_ERROR_REPLY)
964 #define OFF_FLAGS (MPI_FCPORTPAGE1_FLAGS_VERBOSE_RESCAN_EVENTS)
965
966 for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) {
967 if (mptfc_GetFcPortPage1(ioc, ii) != 0)
968 continue;
969 pp1 = ioc->fc_data.fc_port_page1[ii].data;
970 if ((pp1->InitiatorDeviceTimeout == MPTFC_FW_DEVICE_TIMEOUT)
971 && (pp1->InitiatorIoPendTimeout == MPTFC_FW_IO_PEND_TIMEOUT)
972 && ((pp1->Flags & ON_FLAGS) == ON_FLAGS)
973 && ((pp1->Flags & OFF_FLAGS) == 0))
974 continue;
975 pp1->InitiatorDeviceTimeout = MPTFC_FW_DEVICE_TIMEOUT;
976 pp1->InitiatorIoPendTimeout = MPTFC_FW_IO_PEND_TIMEOUT;
977 pp1->Flags &= ~OFF_FLAGS;
978 pp1->Flags |= ON_FLAGS;
979 mptfc_WriteFcPortPage1(ioc, ii);
980 }
981}
982
983
05e8ec17
MR		 984static void
985mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum)
986{
5d947f2b
MR		 987 unsigned class = 0;
988 unsigned cos = 0;
989 unsigned speed;
990 unsigned port_type;
991 unsigned port_state;
992 FCPortPage0_t *pp0;
993 struct Scsi_Host *sh;
994 char *sn;
05e8ec17
MR		 995
996 /* don't know what to do as only one scsi (fc) host was allocated */
997 if (portnum != 0)
998 return;
999
5d947f2b
MR		 1000 pp0 = &ioc->fc_port_page0[portnum];
1001 sh = ioc->sh;
1002
1003 sn = fc_host_symbolic_name(sh);
1004 snprintf(sn, FC_SYMBOLIC_NAME_SIZE, "%s %s%08xh",
1005 ioc->prod_name,
1006 MPT_FW_REV_MAGIC_ID_STRING,
1007 ioc->facts.FWVersion.Word);
1008
1009 fc_host_tgtid_bind_type(sh) = FC_TGTID_BIND_BY_WWPN;
1010
1011 fc_host_maxframe_size(sh) = pp0->MaxFrameSize;
1012
1013 fc_host_node_name(sh) =
1014 (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low;
1015
1016 fc_host_port_name(sh) =
1017 (u64)pp0->WWPN.High << 32 | (u64)pp0->WWPN.Low;
1018
1019 fc_host_port_id(sh) = pp0->PortIdentifier;
1020
1021 class = pp0->SupportedServiceClass;
05e8ec17
MR		 1022 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_1)
1023 cos |= FC_COS_CLASS1;
1024 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_2)
1025 cos |= FC_COS_CLASS2;
1026 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_3)
1027 cos |= FC_COS_CLASS3;
5d947f2b
MR		 1028 fc_host_supported_classes(sh) = cos;
1029
1030 if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT)
1031 speed = FC_PORTSPEED_1GBIT;
1032 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT)
1033 speed = FC_PORTSPEED_2GBIT;
1034 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT)
1035 speed = FC_PORTSPEED_4GBIT;
1036 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_10GBIT)
1037 speed = FC_PORTSPEED_10GBIT;
1038 else
1039 speed = FC_PORTSPEED_UNKNOWN;
1040 fc_host_speed(sh) = speed;
1041
1042 speed = 0;
1043 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_1GBIT_SPEED)
1044 speed |= FC_PORTSPEED_1GBIT;
1045 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_2GBIT_SPEED)
1046 speed |= FC_PORTSPEED_2GBIT;
1047 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_4GBIT_SPEED)
1048 speed |= FC_PORTSPEED_4GBIT;
1049 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_10GBIT_SPEED)
1050 speed |= FC_PORTSPEED_10GBIT;
1051 fc_host_supported_speeds(sh) = speed;
1052
1053 port_state = FC_PORTSTATE_UNKNOWN;
1054 if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE)
1055 port_state = FC_PORTSTATE_ONLINE;
1056 else if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_OFFLINE)
1057 port_state = FC_PORTSTATE_LINKDOWN;
1058 fc_host_port_state(sh) = port_state;
1059
1060 port_type = FC_PORTTYPE_UNKNOWN;
1061 if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_POINT_TO_POINT)
1062 port_type = FC_PORTTYPE_PTP;
1063 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PRIVATE_LOOP)
1064 port_type = FC_PORTTYPE_LPORT;
1065 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PUBLIC_LOOP)
1066 port_type = FC_PORTTYPE_NLPORT;
1067 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_FABRIC_DIRECT)
1068 port_type = FC_PORTTYPE_NPORT;
1069 fc_host_port_type(sh) = port_type;
1070
1071 fc_host_fabric_name(sh) =
1072 (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_FABRIC_WWN_VALID) ?
1073 (u64) pp0->FabricWWNN.High << 32 | (u64) pp0->FabricWWPN.Low :
1074 (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low;
05e8ec17 1075
05e8ec17
MR		 1076}
1077
eb5329f4
PS		 1078static void
1079mptfc_link_status_change(struct work_struct *work)
1080{
1081 MPT_ADAPTER *ioc =
1082 container_of(work, MPT_ADAPTER, fc_rescan_work);
1083 int ii;
1084
1085 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++)
1086 (void) mptfc_GetFcPortPage0(ioc, ii);
1087
1088}
1089
419835e2 1090static void
c4028958 1091mptfc_setup_reset(struct work_struct *work)
419835e2 1092{
c4028958
DH		 1093 MPT_ADAPTER *ioc =
1094 container_of(work, MPT_ADAPTER, fc_setup_reset_work);
419835e2
MR		 1095 u64 pn;
1096 struct mptfc_rport_info *ri;
08f5c5c2
KD		 1097 struct scsi_target *starget;
1098 VirtTarget *vtarget;
419835e2
MR		 1099
1100 /* reset about to happen, delete (block) all rports */
1101 list_for_each_entry(ri, &ioc->fc_rports, list) {
1102 if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) {
1103 ri->flags &= ~MPT_RPORT_INFO_FLAGS_REGISTERED;
1104 fc_remote_port_delete(ri->rport); /* won't sleep */
1105 ri->rport = NULL;
08f5c5c2
KD		 1106 starget = ri->starget;
1107 if (starget) {
1108 vtarget = starget->hostdata;
1109 if (vtarget)
1110 vtarget->deleted = 1;
1111 }
419835e2
MR		 1112
1113 pn = (u64)ri->pg0.WWPN.High << 32 |
1114 (u64)ri->pg0.WWPN.Low;
d6ecdd63 1115 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
419835e2
MR		 1116 "mptfc_setup_reset.%d: %llx deleted\n",
1117 ioc->name,
1118 ioc->sh->host_no,
1119 (unsigned long long)pn));
1120 }
1121 }
1122}
1123
05e8ec17 1124static void
c4028958 1125mptfc_rescan_devices(struct work_struct *work)
05e8ec17 1126{
c4028958
DH		 1127 MPT_ADAPTER *ioc =
1128 container_of(work, MPT_ADAPTER, fc_rescan_work);
05e8ec17 1129 int ii;
65207fed 1130 u64 pn;
05e8ec17 1131 struct mptfc_rport_info *ri;
08f5c5c2
KD		 1132 struct scsi_target *starget;
1133 VirtTarget *vtarget;
05e8ec17 1134
3a0c56d8
MR		 1135 /* start by tagging all ports as missing */
1136 list_for_each_entry(ri, &ioc->fc_rports, list) {
1137 if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) {
1138 ri->flags |= MPT_RPORT_INFO_FLAGS_MISSING;
05e8ec17 1139 }
3a0c56d8 1140 }
05e8ec17 1141
3a0c56d8
MR		 1142 /*
1143 * now rescan devices known to adapter,
1144 * will reregister existing rports
1145 */
1146 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1147 (void) mptfc_GetFcPortPage0(ioc, ii);
1148 mptfc_init_host_attr(ioc, ii); /* refresh */
1149 mptfc_GetFcDevPage0(ioc, ii, mptfc_register_dev);
1150 }
05e8ec17 1151
3a0c56d8
MR		 1152 /* delete devices still missing */
1153 list_for_each_entry(ri, &ioc->fc_rports, list) {
1154 /* if newly missing, delete it */
1155 if (ri->flags & MPT_RPORT_INFO_FLAGS_MISSING) {
05e8ec17 1156
3a0c56d8
MR		 1157 ri->flags &= ~(MPT_RPORT_INFO_FLAGS_REGISTERED|
1158 MPT_RPORT_INFO_FLAGS_MISSING);
1159 fc_remote_port_delete(ri->rport); /* won't sleep */
1160 ri->rport = NULL;
08f5c5c2
KD		 1161 starget = ri->starget;
1162 if (starget) {
1163 vtarget = starget->hostdata;
1164 if (vtarget)
1165 vtarget->deleted = 1;
1166 }
65207fed 1167
3a0c56d8
MR		 1168 pn = (u64)ri->pg0.WWPN.High << 32 |
1169 (u64)ri->pg0.WWPN.Low;
d6ecdd63 1170 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
3a0c56d8
MR		 1171 "mptfc_rescan.%d: %llx deleted\n",
1172 ioc->name,
1173 ioc->sh->host_no,
1174 (unsigned long long)pn));
05e8ec17 1175 }
3a0c56d8 1176 }
05e8ec17
MR		 1177}
1178
2496af39
MED		 1179static int
1180mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
1181{
1182 struct Scsi_Host *sh;
1183 MPT_SCSI_HOST *hd;
1184 MPT_ADAPTER *ioc;
1185 unsigned long flags;
1ca00bb7 1186 int ii;
2496af39
MED		 1187 int numSGE = 0;
1188 int scale;
1189 int ioc_cap;
2496af39
MED		 1190 int error=0;
1191 int r;
05e8ec17 1192
2496af39
MED		 1193 if ((r = mpt_attach(pdev,id)) != 0)
1194 return r;
05e8ec17 1195
2496af39 1196 ioc = pci_get_drvdata(pdev);
d335cc38
MED		 1197 ioc->DoneCtx = mptfcDoneCtx;
1198 ioc->TaskCtx = mptfcTaskCtx;
1199 ioc->InternalCtx = mptfcInternalCtx;
2496af39
MED		 1200
1201 /* Added sanity check on readiness of the MPT adapter.
1202 */
1203 if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) {
1204 printk(MYIOC_s_WARN_FMT
1205 "Skipping because it's not operational!\n",
1206 ioc->name);
7acec1e7
MED		 1207 error = -ENODEV;
1208 goto out_mptfc_probe;
2496af39
MED		 1209 }
1210
1211 if (!ioc->active) {
1212 printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n",
1213 ioc->name);
7acec1e7
MED		 1214 error = -ENODEV;
1215 goto out_mptfc_probe;
2496af39
MED		 1216 }
1217
1218 /* Sanity check - ensure at least 1 port is INITIATOR capable
1219 */
1220 ioc_cap = 0;
1221 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1222 if (ioc->pfacts[ii].ProtocolFlags &
1223 MPI_PORTFACTS_PROTOCOL_INITIATOR)
1224 ioc_cap ++;
1225 }
1226
1227 if (!ioc_cap) {
1228 printk(MYIOC_s_WARN_FMT
1229 "Skipping ioc=%p because SCSI Initiator mode is NOT enabled!\n",
1230 ioc->name, ioc);
793955f5 1231 return 0;
2496af39
MED		 1232 }
1233
1234 sh = scsi_host_alloc(&mptfc_driver_template, sizeof(MPT_SCSI_HOST));
1235
1236 if (!sh) {
1237 printk(MYIOC_s_WARN_FMT
1238 "Unable to register controller with SCSI subsystem\n",
1239 ioc->name);
7acec1e7
MED		 1240 error = -1;
1241 goto out_mptfc_probe;
2496af39
MED		 1242 }
1243
80d3ac77 1244 spin_lock_init(&ioc->fc_rescan_work_lock);
c4028958
DH		 1245 INIT_WORK(&ioc->fc_rescan_work, mptfc_rescan_devices);
1246 INIT_WORK(&ioc->fc_setup_reset_work, mptfc_setup_reset);
eb5329f4 1247 INIT_WORK(&ioc->fc_lsc_work, mptfc_link_status_change);
05e8ec17 1248
2496af39
MED		 1249 spin_lock_irqsave(&ioc->FreeQlock, flags);
1250
1251 /* Attach the SCSI Host to the IOC structure
1252 */
1253 ioc->sh = sh;
1254
1255 sh->io_port = 0;
1256 sh->n_io_port = 0;
1257 sh->irq = 0;
1258
1259 /* set 16 byte cdb's */
1260 sh->max_cmd_len = 16;
1261
793955f5
EM		 1262 sh->max_id = ioc->pfacts->MaxDevices;
1263 sh->max_lun = max_lun;
2496af39 1264
2496af39
MED		 1265 /* Required entry.
1266 */
1267 sh->unique_id = ioc->id;
1268
1269 /* Verify that we won't exceed the maximum
1270 * number of chain buffers
1271 * We can optimize: ZZ = req_sz/sizeof(SGE)
1272 * For 32bit SGE's:
1273 * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ
1274 * + (req_sz - 64)/sizeof(SGE)
1275 * A slightly different algorithm is required for
1276 * 64bit SGEs.
1277 */
14d0f0b0
KD		 1278 scale = ioc->req_sz/ioc->SGE_size;
1279 if (ioc->sg_addr_size == sizeof(u64)) {
2496af39
MED		 1280 numSGE = (scale - 1) *
1281 (ioc->facts.MaxChainDepth-1) + scale +
14d0f0b0 1282 (ioc->req_sz - 60) / ioc->SGE_size;
2496af39
MED		 1283 } else {
1284 numSGE = 1 + (scale - 1) *
1285 (ioc->facts.MaxChainDepth-1) + scale +
14d0f0b0 1286 (ioc->req_sz - 64) / ioc->SGE_size;
2496af39
MED		 1287 }
1288
1289 if (numSGE < sh->sg_tablesize) {
1290 /* Reset this value */
d6ecdd63 1291 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2496af39
MED		 1292 "Resetting sg_tablesize to %d from %d\n",
1293 ioc->name, numSGE, sh->sg_tablesize));
1294 sh->sg_tablesize = numSGE;
1295 }
1296
2496af39
MED		 1297 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1298
e7eae9f6 1299 hd = shost_priv(sh);
2496af39
MED		 1300 hd->ioc = ioc;
1301
1302 /* SCSI needs scsi_cmnd lookup table!
1303 * (with size equal to req_depth*PtrSz!)
1304 */
e8206381
EM		 1305 ioc->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC);
1306 if (!ioc->ScsiLookup) {
2496af39 1307 error = -ENOMEM;
7acec1e7 1308 goto out_mptfc_probe;
2496af39 1309 }
e8206381 1310 spin_lock_init(&ioc->scsi_lookup_lock);
2496af39 1311
d6ecdd63 1312 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n",
e8206381 1313 ioc->name, ioc->ScsiLookup));
2496af39 1314
2496af39
MED		 1315 hd->last_queue_full = 0;
1316
05e8ec17 1317 sh->transportt = mptfc_transport_template;
2496af39
MED		 1318 error = scsi_add_host (sh, &ioc->pcidev->dev);
1319 if(error) {
29dd3609
EM		 1320 dprintk(ioc, printk(MYIOC_s_ERR_FMT
1321 "scsi_add_host failed\n", ioc->name));
7acec1e7 1322 goto out_mptfc_probe;
2496af39
MED		 1323 }
1324
65207fed
ME		 1325 /* initialize workqueue */
1326
aab0de24
KS		 1327 snprintf(ioc->fc_rescan_work_q_name, sizeof(ioc->fc_rescan_work_q_name),
1328 "mptfc_wq_%d", sh->host_no);
65207fed
ME		 1329 ioc->fc_rescan_work_q =
1330 create_singlethread_workqueue(ioc->fc_rescan_work_q_name);
1331 if (!ioc->fc_rescan_work_q)
1332 goto out_mptfc_probe;
1333
80d3ac77
MR		 1334 /*
1335 * Pre-fetch FC port WWN and stuff...
1336 * (FCPortPage0_t stuff)
1337 */
1338 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1339 (void) mptfc_GetFcPortPage0(ioc, ii);
1340 }
ca2f938e 1341 mptfc_SetFcPortPage1_defaults(ioc);
80d3ac77 1342
65207fed
ME		 1343 /*
1344 * scan for rports -
1345 * by doing it via the workqueue, some locking is eliminated
1346 */
1347
65207fed
ME		 1348 queue_work(ioc->fc_rescan_work_q, &ioc->fc_rescan_work);
1349 flush_workqueue(ioc->fc_rescan_work_q);
05e8ec17 1350
2496af39
MED		 1351 return 0;
1352
7acec1e7 1353out_mptfc_probe:
2496af39
MED		 1354
1355 mptscsih_remove(pdev);
1356 return error;
1357}
1358
1359static struct pci_driver mptfc_driver = {
1360 .name = "mptfc",
1361 .id_table = mptfc_pci_table,
1362 .probe = mptfc_probe,
05e8ec17 1363 .remove = __devexit_p(mptfc_remove),
d18c3db5 1364 .shutdown = mptscsih_shutdown,
2496af39
MED		 1365#ifdef CONFIG_PM
1366 .suspend = mptscsih_suspend,
1367 .resume = mptscsih_resume,
1368#endif
1369};
1370
80d3ac77
MR		 1371static int
1372mptfc_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
1373{
1374 MPT_SCSI_HOST *hd;
1375 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
1376 unsigned long flags;
1377 int rc=1;
1378
ffb7fef3
KD		 1379 if (ioc->bus_type != FC)
1380 return 0;
1381
d6ecdd63 1382 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n",
80d3ac77
MR		 1383 ioc->name, event));
1384
1385 if (ioc->sh == NULL ||
e7eae9f6 1386 ((hd = shost_priv(ioc->sh)) == NULL))
80d3ac77
MR		 1387 return 1;
1388
1389 switch (event) {
1390 case MPI_EVENT_RESCAN:
1391 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1392 if (ioc->fc_rescan_work_q) {
3a0c56d8
MR		 1393 queue_work(ioc->fc_rescan_work_q,
1394 &ioc->fc_rescan_work);
80d3ac77
MR		 1395 }
1396 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1397 break;
eb5329f4
PS		 1398 case MPI_EVENT_LINK_STATUS_CHANGE:
1399 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1400 if (ioc->fc_rescan_work_q) {
1401 queue_work(ioc->fc_rescan_work_q,
1402 &ioc->fc_lsc_work);
1403 }
1404 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1405 break;
80d3ac77
MR		 1406 default:
1407 rc = mptscsih_event_process(ioc,pEvReply);
1408 break;
1409 }
1410 return rc;
1411}
1412
1413static int
1414mptfc_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
1415{
1416 int rc;
1417 unsigned long flags;
1418
1419 rc = mptscsih_ioc_reset(ioc,reset_phase);
ffb7fef3 1420 if ((ioc->bus_type != FC) || (!rc))
80d3ac77
MR		 1421 return rc;
1422
1423
d6ecdd63
PS		 1424 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1425 ": IOC %s_reset routed to FC host driver!\n",ioc->name,
80d3ac77
MR		 1426 reset_phase==MPT_IOC_SETUP_RESET ? "setup" : (
1427 reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post")));
1428
1429 if (reset_phase == MPT_IOC_SETUP_RESET) {
419835e2
MR		 1430 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1431 if (ioc->fc_rescan_work_q) {
1432 queue_work(ioc->fc_rescan_work_q,
1433 &ioc->fc_setup_reset_work);
1434 }
1435 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
80d3ac77
MR		 1436 }
1437
1438 else if (reset_phase == MPT_IOC_PRE_RESET) {
1439 }
1440
1441 else { /* MPT_IOC_POST_RESET */
ca2f938e 1442 mptfc_SetFcPortPage1_defaults(ioc);
80d3ac77
MR		 1443 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1444 if (ioc->fc_rescan_work_q) {
3a0c56d8
MR		 1445 queue_work(ioc->fc_rescan_work_q,
1446 &ioc->fc_rescan_work);
80d3ac77
MR		 1447 }
1448 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1449 }
1450 return 1;
1451}
1452
2496af39
MED		 1453/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1454/**
d9489fb6 1455 * mptfc_init - Register MPT adapter(s) as SCSI host(s) with SCSI mid-layer.
2496af39
MED		 1456 *
1457 * Returns 0 for success, non-zero for failure.
1458 */
1459static int __init
1460mptfc_init(void)
1461{
05e8ec17 1462 int error;
2496af39
MED		 1463
1464 show_mptmod_ver(my_NAME, my_VERSION);
1465
ca2f938e
MR		 1466 /* sanity check module parameters */
1467 if (mptfc_dev_loss_tmo <= 0)
05e8ec17
MR		 1468 mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO;
1469
1470 mptfc_transport_template =
1471 fc_attach_transport(&mptfc_transport_functions);
1472
1473 if (!mptfc_transport_template)
1474 return -ENODEV;
1475
213aaca3
KD		 1476 mptfcDoneCtx = mpt_register(mptscsih_io_done, MPTFC_DRIVER,
1477 "mptscsih_scandv_complete");
1478 mptfcTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTFC_DRIVER,
1479 "mptscsih_scandv_complete");
1480 mptfcInternalCtx = mpt_register(mptscsih_scandv_complete, MPTFC_DRIVER,
1481 "mptscsih_scandv_complete");
2496af39 1482
d6ecdd63
PS		 1483 mpt_event_register(mptfcDoneCtx, mptfc_event_process);
1484 mpt_reset_register(mptfcDoneCtx, mptfc_ioc_reset);
2496af39 1485
05e8ec17 1486 error = pci_register_driver(&mptfc_driver);
3bc7bf1d 1487 if (error)
05e8ec17 1488 fc_release_transport(mptfc_transport_template);
05e8ec17
MR		 1489
1490 return error;
1491}
1492
1493/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1494/**
d9489fb6 1495 * mptfc_remove - Remove fc infrastructure for devices
05e8ec17
MR		 1496 * @pdev: Pointer to pci_dev structure
1497 *
1498 */
3bc7bf1d
MR		 1499static void __devexit
1500mptfc_remove(struct pci_dev *pdev)
05e8ec17 1501{
65207fed
ME		 1502 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1503 struct mptfc_rport_info *p, *n;
1504 struct workqueue_struct *work_q;
1505 unsigned long flags;
ca2f938e 1506 int ii;
65207fed
ME		 1507
1508 /* destroy workqueue */
1509 if ((work_q=ioc->fc_rescan_work_q)) {
1510 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1511 ioc->fc_rescan_work_q = NULL;
1512 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1513 destroy_workqueue(work_q);
1514 }
05e8ec17
MR		 1515
1516 fc_remove_host(ioc->sh);
1517
1518 list_for_each_entry_safe(p, n, &ioc->fc_rports, list) {
1519 list_del(&p->list);
1520 kfree(p);
1521 }
1522
ca2f938e
MR		 1523 for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) {
1524 if (ioc->fc_data.fc_port_page1[ii].data) {
1525 pci_free_consistent(ioc->pcidev,
1526 ioc->fc_data.fc_port_page1[ii].pg_sz,
1527 (u8 *) ioc->fc_data.fc_port_page1[ii].data,
1528 ioc->fc_data.fc_port_page1[ii].dma);
1529 ioc->fc_data.fc_port_page1[ii].data = NULL;
1530 }
1531 }
1532
05e8ec17 1533 mptscsih_remove(pdev);
2496af39
MED		 1534}
1535
1536/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1537/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1538/**
1539 * mptfc_exit - Unregisters MPT adapter(s)
1540 *
1541 */
1542static void __exit
1543mptfc_exit(void)
1544{
1545 pci_unregister_driver(&mptfc_driver);
05e8ec17
MR		 1546 fc_release_transport(mptfc_transport_template);
1547
2496af39 1548 mpt_reset_deregister(mptfcDoneCtx);
2496af39 1549 mpt_event_deregister(mptfcDoneCtx);
2496af39
MED		 1550
1551 mpt_deregister(mptfcInternalCtx);
1552 mpt_deregister(mptfcTaskCtx);
1553 mpt_deregister(mptfcDoneCtx);
1554}
1555
1556module_init(mptfc_init);
1557module_exit(mptfc_exit);
Linux 6.x block layer and io_uring tree(s)