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Merge branch 'stable/for-jens-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git...
[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 */
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 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);
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 111 .proc_name = "mptfc",
cac19703 112 .show_info = mptscsih_show_info,
2496af39
MED		 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
9cb78c16 207 "mptfc_block_error_handler.%d: %d:%llu, 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
9cb78c16 221 "%s.%d: %d:%llu, 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
9cb78c16 229 "%s.%d: %d:%llu, 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 }
5074b1b6 528 kfree(starget->hostdata);
3bc7bf1d
MR		 529 starget->hostdata = NULL;
530}
531
532/*
533 * OS entry point to allow host driver to alloc memory
534 * for each scsi target. Called once per device the bus scan.
535 * Return non-zero if allocation fails.
536 */
537static int
538mptfc_target_alloc(struct scsi_target *starget)
539{
540 VirtTarget *vtarget;
541 struct fc_rport *rport;
542 struct mptfc_rport_info *ri;
543 int rc;
544
545 vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL);
546 if (!vtarget)
547 return -ENOMEM;
548 starget->hostdata = vtarget;
549
550 rc = -ENODEV;
551 rport = starget_to_rport(starget);
552 if (rport) {
553 ri = *((struct mptfc_rport_info **)rport->dd_data);
554 if (ri) { /* better be! */
793955f5
EM		 555 vtarget->id = ri->pg0.CurrentTargetID;
556 vtarget->channel = ri->pg0.CurrentBus;
3bc7bf1d 557 ri->starget = starget;
3bc7bf1d
MR		 558 rc = 0;
559 }
560 }
561 if (rc != 0) {
562 kfree(vtarget);
563 starget->hostdata = NULL;
564 }
565
566 return rc;
567}
d6ecdd63
PS		 568/*
569 * mptfc_dump_lun_info
570 * @ioc
571 * @rport
572 * @sdev
573 *
574 */
575static void
576mptfc_dump_lun_info(MPT_ADAPTER *ioc, struct fc_rport *rport, struct scsi_device *sdev,
577 VirtTarget *vtarget)
578{
579 u64 nn, pn;
580 struct mptfc_rport_info *ri;
581
582 ri = *((struct mptfc_rport_info **)rport->dd_data);
583 pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
584 nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low;
585 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
586 "mptfc_slv_alloc.%d: num_luns %d, sdev.id %d, "
587 "CurrentTargetID %d, %x %llx %llx\n",
588 ioc->name,
589 sdev->host->host_no,
590 vtarget->num_luns,
591 sdev->id, ri->pg0.CurrentTargetID,
592 ri->pg0.PortIdentifier,
593 (unsigned long long)pn,
594 (unsigned long long)nn));
595}
596
3bc7bf1d 597
2496af39 598/*
05e8ec17
MR		 599 * OS entry point to allow host driver to alloc memory
600 * for each scsi device. Called once per device the bus scan.
601 * Return non-zero if allocation fails.
602 * Init memory once per LUN.
2496af39 603 */
03fbcbcd 604static int
05e8ec17
MR		 605mptfc_slave_alloc(struct scsi_device *sdev)
606{
607 MPT_SCSI_HOST *hd;
608 VirtTarget *vtarget;
a69de507 609 VirtDevice *vdevice;
05e8ec17
MR		 610 struct scsi_target *starget;
611 struct fc_rport *rport;
e80b002b 612 MPT_ADAPTER *ioc;
05e8ec17 613
65207fed
ME		 614 starget = scsi_target(sdev);
615 rport = starget_to_rport(starget);
05e8ec17
MR		 616
617 if (!rport || fc_remote_port_chkready(rport))
618 return -ENXIO;
619
e7eae9f6 620 hd = shost_priv(sdev->host);
e80b002b 621 ioc = hd->ioc;
05e8ec17 622
a69de507
EM		 623 vdevice = kzalloc(sizeof(VirtDevice), GFP_KERNEL);
624 if (!vdevice) {
05e8ec17 625 printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n",
e80b002b 626 ioc->name, sizeof(VirtDevice));
05e8ec17
MR		 627 return -ENOMEM;
628 }
05e8ec17 629
05e8ec17 630
a69de507 631 sdev->hostdata = vdevice;
05e8ec17 632 vtarget = starget->hostdata;
3bc7bf1d 633
05e8ec17 634 if (vtarget->num_luns == 0) {
e80b002b 635 vtarget->ioc_id = ioc->id;
ba856d32 636 vtarget->tflags = MPT_TARGET_FLAGS_Q_YES;
05e8ec17
MR		 637 }
638
a69de507
EM		 639 vdevice->vtarget = vtarget;
640 vdevice->lun = sdev->lun;
05e8ec17 641
05e8ec17
MR		 642 vtarget->num_luns++;
643
65207fed 644
e80b002b 645 mptfc_dump_lun_info(ioc, rport, sdev, vtarget);
05e8ec17
MR		 646
647 return 0;
648}
649
650static int
a48ac9e5 651mptfc_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *SCpnt)
05e8ec17 652{
3bc7bf1d 653 struct mptfc_rport_info *ri;
05e8ec17
MR		 654 struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device));
655 int err;
a69de507 656 VirtDevice *vdevice = SCpnt->device->hostdata;
05e8ec17 657
a69de507 658 if (!vdevice || !vdevice->vtarget) {
793955f5 659 SCpnt->result = DID_NO_CONNECT << 16;
a48ac9e5 660 SCpnt->scsi_done(SCpnt);
05e8ec17
MR		 661 return 0;
662 }
65207fed 663
793955f5
EM		 664 err = fc_remote_port_chkready(rport);
665 if (unlikely(err)) {
666 SCpnt->result = err;
a48ac9e5 667 SCpnt->scsi_done(SCpnt);
35508e46
MR		 668 return 0;
669 }
670
65207fed 671 /* dd_data is null until finished adding target */
3bc7bf1d 672 ri = *((struct mptfc_rport_info **)rport->dd_data);
65207fed 673 if (unlikely(!ri)) {
65207fed 674 SCpnt->result = DID_IMM_RETRY << 16;
a48ac9e5 675 SCpnt->scsi_done(SCpnt);
65207fed
ME		 676 return 0;
677 }
3bc7bf1d 678
a48ac9e5 679 return mptscsih_qcmd(SCpnt);
05e8ec17
MR		 680}
681
eb5329f4
PS		 682/*
683 * mptfc_display_port_link_speed - displaying link speed
684 * @ioc: Pointer to MPT_ADAPTER structure
685 * @portnum: IOC Port number
686 * @pp0dest: port page0 data payload
687 *
688 */
689static void
690mptfc_display_port_link_speed(MPT_ADAPTER *ioc, int portnum, FCPortPage0_t *pp0dest)
691{
692 u8 old_speed, new_speed, state;
693 char *old, *new;
694
695 if (portnum >= 2)
696 return;
697
698 old_speed = ioc->fc_link_speed[portnum];
699 new_speed = pp0dest->CurrentSpeed;
700 state = pp0dest->PortState;
701
702 if (state != MPI_FCPORTPAGE0_PORTSTATE_OFFLINE &&
703 new_speed != MPI_FCPORTPAGE0_CURRENT_SPEED_UKNOWN) {
704
705 old = old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT ? "1 Gbps" :
706 old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT ? "2 Gbps" :
707 old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT ? "4 Gbps" :
708 "Unknown";
709 new = new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT ? "1 Gbps" :
710 new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT ? "2 Gbps" :
711 new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT ? "4 Gbps" :
712 "Unknown";
713 if (old_speed == 0)
714 printk(MYIOC_s_NOTE_FMT
715 "FC Link Established, Speed = %s\n",
716 ioc->name, new);
717 else if (old_speed != new_speed)
718 printk(MYIOC_s_WARN_FMT
719 "FC Link Speed Change, Old Speed = %s, New Speed = %s\n",
720 ioc->name, old, new);
721
722 ioc->fc_link_speed[portnum] = new_speed;
723 }
724}
725
80d3ac77
MR		 726/*
727 * mptfc_GetFcPortPage0 - Fetch FCPort config Page0.
728 * @ioc: Pointer to MPT_ADAPTER structure
729 * @portnum: IOC Port number
730 *
731 * Return: 0 for success
732 * -ENOMEM if no memory available
733 * -EPERM if not allowed due to ISR context
734 * -EAGAIN if no msg frames currently available
735 * -EFAULT for non-successful reply or no reply (timeout)
736 * -EINVAL portnum arg out of range (hardwired to two elements)
737 */
738static int
739mptfc_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
740{
741 ConfigPageHeader_t hdr;
742 CONFIGPARMS cfg;
743 FCPortPage0_t *ppage0_alloc;
744 FCPortPage0_t *pp0dest;
745 dma_addr_t page0_dma;
746 int data_sz;
747 int copy_sz;
748 int rc;
749 int count = 400;
750
751 if (portnum > 1)
752 return -EINVAL;
753
754 /* Get FCPort Page 0 header */
755 hdr.PageVersion = 0;
756 hdr.PageLength = 0;
757 hdr.PageNumber = 0;
758 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
759 cfg.cfghdr.hdr = &hdr;
760 cfg.physAddr = -1;
761 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
762 cfg.dir = 0;
763 cfg.pageAddr = portnum;
764 cfg.timeout = 0;
765
766 if ((rc = mpt_config(ioc, &cfg)) != 0)
767 return rc;
768
769 if (hdr.PageLength == 0)
770 return 0;
771
772 data_sz = hdr.PageLength * 4;
773 rc = -ENOMEM;
774 ppage0_alloc = (FCPortPage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page0_dma);
775 if (ppage0_alloc) {
776
777 try_again:
778 memset((u8 *)ppage0_alloc, 0, data_sz);
779 cfg.physAddr = page0_dma;
780 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
781
782 if ((rc = mpt_config(ioc, &cfg)) == 0) {
783 /* save the data */
784 pp0dest = &ioc->fc_port_page0[portnum];
785 copy_sz = min_t(int, sizeof(FCPortPage0_t), data_sz);
786 memcpy(pp0dest, ppage0_alloc, copy_sz);
787
788 /*
789 * Normalize endianness of structure data,
790 * by byte-swapping all > 1 byte fields!
791 */
792 pp0dest->Flags = le32_to_cpu(pp0dest->Flags);
793 pp0dest->PortIdentifier = le32_to_cpu(pp0dest->PortIdentifier);
794 pp0dest->WWNN.Low = le32_to_cpu(pp0dest->WWNN.Low);
795 pp0dest->WWNN.High = le32_to_cpu(pp0dest->WWNN.High);
796 pp0dest->WWPN.Low = le32_to_cpu(pp0dest->WWPN.Low);
797 pp0dest->WWPN.High = le32_to_cpu(pp0dest->WWPN.High);
798 pp0dest->SupportedServiceClass = le32_to_cpu(pp0dest->SupportedServiceClass);
799 pp0dest->SupportedSpeeds = le32_to_cpu(pp0dest->SupportedSpeeds);
800 pp0dest->CurrentSpeed = le32_to_cpu(pp0dest->CurrentSpeed);
801 pp0dest->MaxFrameSize = le32_to_cpu(pp0dest->MaxFrameSize);
802 pp0dest->FabricWWNN.Low = le32_to_cpu(pp0dest->FabricWWNN.Low);
803 pp0dest->FabricWWNN.High = le32_to_cpu(pp0dest->FabricWWNN.High);
804 pp0dest->FabricWWPN.Low = le32_to_cpu(pp0dest->FabricWWPN.Low);
805 pp0dest->FabricWWPN.High = le32_to_cpu(pp0dest->FabricWWPN.High);
806 pp0dest->DiscoveredPortsCount = le32_to_cpu(pp0dest->DiscoveredPortsCount);
807 pp0dest->MaxInitiators = le32_to_cpu(pp0dest->MaxInitiators);
808
809 /*
810 * if still doing discovery,
811 * hang loose a while until finished
812 */
77d88ee2
MR		 813 if ((pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_UNKNOWN) ||
814 (pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE &&
815 (pp0dest->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_TYPE_MASK)
816 == MPI_FCPORTPAGE0_FLAGS_ATTACH_NO_INIT)) {
80d3ac77 817 if (count-- > 0) {
d6be06c8 818 msleep(100);
80d3ac77
MR		 819 goto try_again;
820 }
821 printk(MYIOC_s_INFO_FMT "Firmware discovery not"
822 " complete.\n",
823 ioc->name);
824 }
eb5329f4 825 mptfc_display_port_link_speed(ioc, portnum, pp0dest);
80d3ac77
MR		 826 }
827
828 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage0_alloc, page0_dma);
829 }
830
831 return rc;
832}
833
ca2f938e
MR		 834static int
835mptfc_WriteFcPortPage1(MPT_ADAPTER *ioc, int portnum)
836{
837 ConfigPageHeader_t hdr;
838 CONFIGPARMS cfg;
839 int rc;
840
841 if (portnum > 1)
842 return -EINVAL;
843
844 if (!(ioc->fc_data.fc_port_page1[portnum].data))
845 return -EINVAL;
846
847 /* get fcport page 1 header */
848 hdr.PageVersion = 0;
849 hdr.PageLength = 0;
850 hdr.PageNumber = 1;
851 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
852 cfg.cfghdr.hdr = &hdr;
853 cfg.physAddr = -1;
854 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
855 cfg.dir = 0;
856 cfg.pageAddr = portnum;
857 cfg.timeout = 0;
858
859 if ((rc = mpt_config(ioc, &cfg)) != 0)
860 return rc;
861
862 if (hdr.PageLength == 0)
863 return -ENODEV;
864
865 if (hdr.PageLength*4 != ioc->fc_data.fc_port_page1[portnum].pg_sz)
866 return -EINVAL;
867
868 cfg.physAddr = ioc->fc_data.fc_port_page1[portnum].dma;
869 cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
870 cfg.dir = 1;
871
872 rc = mpt_config(ioc, &cfg);
873
874 return rc;
875}
876
877static int
878mptfc_GetFcPortPage1(MPT_ADAPTER *ioc, int portnum)
879{
880 ConfigPageHeader_t hdr;
881 CONFIGPARMS cfg;
882 FCPortPage1_t *page1_alloc;
883 dma_addr_t page1_dma;
884 int data_sz;
885 int rc;
886
887 if (portnum > 1)
888 return -EINVAL;
889
890 /* get fcport page 1 header */
891 hdr.PageVersion = 0;
892 hdr.PageLength = 0;
893 hdr.PageNumber = 1;
894 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
895 cfg.cfghdr.hdr = &hdr;
896 cfg.physAddr = -1;
897 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
898 cfg.dir = 0;
899 cfg.pageAddr = portnum;
900 cfg.timeout = 0;
901
902 if ((rc = mpt_config(ioc, &cfg)) != 0)
903 return rc;
904
905 if (hdr.PageLength == 0)
906 return -ENODEV;
907
908start_over:
909
910 if (ioc->fc_data.fc_port_page1[portnum].data == NULL) {
911 data_sz = hdr.PageLength * 4;
912 if (data_sz < sizeof(FCPortPage1_t))
913 data_sz = sizeof(FCPortPage1_t);
914
915 page1_alloc = (FCPortPage1_t *) pci_alloc_consistent(ioc->pcidev,
916 data_sz,
917 &page1_dma);
918 if (!page1_alloc)
919 return -ENOMEM;
920 }
921 else {
922 page1_alloc = ioc->fc_data.fc_port_page1[portnum].data;
923 page1_dma = ioc->fc_data.fc_port_page1[portnum].dma;
924 data_sz = ioc->fc_data.fc_port_page1[portnum].pg_sz;
925 if (hdr.PageLength * 4 > data_sz) {
926 ioc->fc_data.fc_port_page1[portnum].data = NULL;
927 pci_free_consistent(ioc->pcidev, data_sz, (u8 *)
928 page1_alloc, page1_dma);
929 goto start_over;
930 }
931 }
932
933 memset(page1_alloc,0,data_sz);
934
935 cfg.physAddr = page1_dma;
936 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
937
938 if ((rc = mpt_config(ioc, &cfg)) == 0) {
939 ioc->fc_data.fc_port_page1[portnum].data = page1_alloc;
940 ioc->fc_data.fc_port_page1[portnum].pg_sz = data_sz;
941 ioc->fc_data.fc_port_page1[portnum].dma = page1_dma;
942 }
943 else {
944 ioc->fc_data.fc_port_page1[portnum].data = NULL;
945 pci_free_consistent(ioc->pcidev, data_sz, (u8 *)
946 page1_alloc, page1_dma);
947 }
948
949 return rc;
950}
951
952static void
953mptfc_SetFcPortPage1_defaults(MPT_ADAPTER *ioc)
954{
955 int ii;
956 FCPortPage1_t *pp1;
957
958 #define MPTFC_FW_DEVICE_TIMEOUT (1)
959 #define MPTFC_FW_IO_PEND_TIMEOUT (1)
960 #define ON_FLAGS (MPI_FCPORTPAGE1_FLAGS_IMMEDIATE_ERROR_REPLY)
961 #define OFF_FLAGS (MPI_FCPORTPAGE1_FLAGS_VERBOSE_RESCAN_EVENTS)
962
963 for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) {
964 if (mptfc_GetFcPortPage1(ioc, ii) != 0)
965 continue;
966 pp1 = ioc->fc_data.fc_port_page1[ii].data;
967 if ((pp1->InitiatorDeviceTimeout == MPTFC_FW_DEVICE_TIMEOUT)
968 && (pp1->InitiatorIoPendTimeout == MPTFC_FW_IO_PEND_TIMEOUT)
969 && ((pp1->Flags & ON_FLAGS) == ON_FLAGS)
970 && ((pp1->Flags & OFF_FLAGS) == 0))
971 continue;
972 pp1->InitiatorDeviceTimeout = MPTFC_FW_DEVICE_TIMEOUT;
973 pp1->InitiatorIoPendTimeout = MPTFC_FW_IO_PEND_TIMEOUT;
974 pp1->Flags &= ~OFF_FLAGS;
975 pp1->Flags |= ON_FLAGS;
976 mptfc_WriteFcPortPage1(ioc, ii);
977 }
978}
979
980
05e8ec17
MR		 981static void
982mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum)
983{
5d947f2b
MR		 984 unsigned class = 0;
985 unsigned cos = 0;
986 unsigned speed;
987 unsigned port_type;
988 unsigned port_state;
989 FCPortPage0_t *pp0;
990 struct Scsi_Host *sh;
991 char *sn;
05e8ec17
MR		 992
993 /* don't know what to do as only one scsi (fc) host was allocated */
994 if (portnum != 0)
995 return;
996
5d947f2b
MR		 997 pp0 = &ioc->fc_port_page0[portnum];
998 sh = ioc->sh;
999
1000 sn = fc_host_symbolic_name(sh);
1001 snprintf(sn, FC_SYMBOLIC_NAME_SIZE, "%s %s%08xh",
1002 ioc->prod_name,
1003 MPT_FW_REV_MAGIC_ID_STRING,
1004 ioc->facts.FWVersion.Word);
1005
1006 fc_host_tgtid_bind_type(sh) = FC_TGTID_BIND_BY_WWPN;
1007
1008 fc_host_maxframe_size(sh) = pp0->MaxFrameSize;
1009
1010 fc_host_node_name(sh) =
1011 (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low;
1012
1013 fc_host_port_name(sh) =
1014 (u64)pp0->WWPN.High << 32 | (u64)pp0->WWPN.Low;
1015
1016 fc_host_port_id(sh) = pp0->PortIdentifier;
1017
1018 class = pp0->SupportedServiceClass;
05e8ec17
MR		 1019 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_1)
1020 cos |= FC_COS_CLASS1;
1021 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_2)
1022 cos |= FC_COS_CLASS2;
1023 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_3)
1024 cos |= FC_COS_CLASS3;
5d947f2b
MR		 1025 fc_host_supported_classes(sh) = cos;
1026
1027 if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT)
1028 speed = FC_PORTSPEED_1GBIT;
1029 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT)
1030 speed = FC_PORTSPEED_2GBIT;
1031 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT)
1032 speed = FC_PORTSPEED_4GBIT;
1033 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_10GBIT)
1034 speed = FC_PORTSPEED_10GBIT;
1035 else
1036 speed = FC_PORTSPEED_UNKNOWN;
1037 fc_host_speed(sh) = speed;
1038
1039 speed = 0;
1040 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_1GBIT_SPEED)
1041 speed |= FC_PORTSPEED_1GBIT;
1042 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_2GBIT_SPEED)
1043 speed |= FC_PORTSPEED_2GBIT;
1044 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_4GBIT_SPEED)
1045 speed |= FC_PORTSPEED_4GBIT;
1046 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_10GBIT_SPEED)
1047 speed |= FC_PORTSPEED_10GBIT;
1048 fc_host_supported_speeds(sh) = speed;
1049
1050 port_state = FC_PORTSTATE_UNKNOWN;
1051 if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE)
1052 port_state = FC_PORTSTATE_ONLINE;
1053 else if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_OFFLINE)
1054 port_state = FC_PORTSTATE_LINKDOWN;
1055 fc_host_port_state(sh) = port_state;
1056
1057 port_type = FC_PORTTYPE_UNKNOWN;
1058 if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_POINT_TO_POINT)
1059 port_type = FC_PORTTYPE_PTP;
1060 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PRIVATE_LOOP)
1061 port_type = FC_PORTTYPE_LPORT;
1062 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PUBLIC_LOOP)
1063 port_type = FC_PORTTYPE_NLPORT;
1064 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_FABRIC_DIRECT)
1065 port_type = FC_PORTTYPE_NPORT;
1066 fc_host_port_type(sh) = port_type;
1067
1068 fc_host_fabric_name(sh) =
1069 (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_FABRIC_WWN_VALID) ?
1070 (u64) pp0->FabricWWNN.High << 32 | (u64) pp0->FabricWWPN.Low :
1071 (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low;
05e8ec17 1072
05e8ec17
MR		 1073}
1074
eb5329f4
PS		 1075static void
1076mptfc_link_status_change(struct work_struct *work)
1077{
1078 MPT_ADAPTER *ioc =
1079 container_of(work, MPT_ADAPTER, fc_rescan_work);
1080 int ii;
1081
1082 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++)
1083 (void) mptfc_GetFcPortPage0(ioc, ii);
1084
1085}
1086
419835e2 1087static void
c4028958 1088mptfc_setup_reset(struct work_struct *work)
419835e2 1089{
c4028958
DH		 1090 MPT_ADAPTER *ioc =
1091 container_of(work, MPT_ADAPTER, fc_setup_reset_work);
419835e2
MR		 1092 u64 pn;
1093 struct mptfc_rport_info *ri;
08f5c5c2
KD		 1094 struct scsi_target *starget;
1095 VirtTarget *vtarget;
419835e2
MR		 1096
1097 /* reset about to happen, delete (block) all rports */
1098 list_for_each_entry(ri, &ioc->fc_rports, list) {
1099 if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) {
1100 ri->flags &= ~MPT_RPORT_INFO_FLAGS_REGISTERED;
1101 fc_remote_port_delete(ri->rport); /* won't sleep */
1102 ri->rport = NULL;
08f5c5c2
KD		 1103 starget = ri->starget;
1104 if (starget) {
1105 vtarget = starget->hostdata;
1106 if (vtarget)
1107 vtarget->deleted = 1;
1108 }
419835e2
MR		 1109
1110 pn = (u64)ri->pg0.WWPN.High << 32 |
1111 (u64)ri->pg0.WWPN.Low;
d6ecdd63 1112 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
419835e2
MR		 1113 "mptfc_setup_reset.%d: %llx deleted\n",
1114 ioc->name,
1115 ioc->sh->host_no,
1116 (unsigned long long)pn));
1117 }
1118 }
1119}
1120
05e8ec17 1121static void
c4028958 1122mptfc_rescan_devices(struct work_struct *work)
05e8ec17 1123{
c4028958
DH		 1124 MPT_ADAPTER *ioc =
1125 container_of(work, MPT_ADAPTER, fc_rescan_work);
05e8ec17 1126 int ii;
65207fed 1127 u64 pn;
05e8ec17 1128 struct mptfc_rport_info *ri;
08f5c5c2
KD		 1129 struct scsi_target *starget;
1130 VirtTarget *vtarget;
05e8ec17 1131
3a0c56d8
MR		 1132 /* start by tagging all ports as missing */
1133 list_for_each_entry(ri, &ioc->fc_rports, list) {
1134 if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) {
1135 ri->flags |= MPT_RPORT_INFO_FLAGS_MISSING;
05e8ec17 1136 }
3a0c56d8 1137 }
05e8ec17 1138
3a0c56d8
MR		 1139 /*
1140 * now rescan devices known to adapter,
1141 * will reregister existing rports
1142 */
1143 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1144 (void) mptfc_GetFcPortPage0(ioc, ii);
1145 mptfc_init_host_attr(ioc, ii); /* refresh */
1146 mptfc_GetFcDevPage0(ioc, ii, mptfc_register_dev);
1147 }
05e8ec17 1148
3a0c56d8
MR		 1149 /* delete devices still missing */
1150 list_for_each_entry(ri, &ioc->fc_rports, list) {
1151 /* if newly missing, delete it */
1152 if (ri->flags & MPT_RPORT_INFO_FLAGS_MISSING) {
05e8ec17 1153
3a0c56d8
MR		 1154 ri->flags &= ~(MPT_RPORT_INFO_FLAGS_REGISTERED|
1155 MPT_RPORT_INFO_FLAGS_MISSING);
1156 fc_remote_port_delete(ri->rport); /* won't sleep */
1157 ri->rport = NULL;
08f5c5c2
KD		 1158 starget = ri->starget;
1159 if (starget) {
1160 vtarget = starget->hostdata;
1161 if (vtarget)
1162 vtarget->deleted = 1;
1163 }
65207fed 1164
3a0c56d8
MR		 1165 pn = (u64)ri->pg0.WWPN.High << 32 |
1166 (u64)ri->pg0.WWPN.Low;
d6ecdd63 1167 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
3a0c56d8
MR		 1168 "mptfc_rescan.%d: %llx deleted\n",
1169 ioc->name,
1170 ioc->sh->host_no,
1171 (unsigned long long)pn));
05e8ec17 1172 }
3a0c56d8 1173 }
05e8ec17
MR		 1174}
1175
2496af39
MED		 1176static int
1177mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
1178{
1179 struct Scsi_Host *sh;
1180 MPT_SCSI_HOST *hd;
1181 MPT_ADAPTER *ioc;
1182 unsigned long flags;
1ca00bb7 1183 int ii;
2496af39
MED		 1184 int numSGE = 0;
1185 int scale;
1186 int ioc_cap;
2496af39
MED		 1187 int error=0;
1188 int r;
05e8ec17 1189
2496af39
MED		 1190 if ((r = mpt_attach(pdev,id)) != 0)
1191 return r;
05e8ec17 1192
2496af39 1193 ioc = pci_get_drvdata(pdev);
d335cc38
MED		 1194 ioc->DoneCtx = mptfcDoneCtx;
1195 ioc->TaskCtx = mptfcTaskCtx;
1196 ioc->InternalCtx = mptfcInternalCtx;
2496af39
MED		 1197
1198 /* Added sanity check on readiness of the MPT adapter.
1199 */
1200 if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) {
1201 printk(MYIOC_s_WARN_FMT
1202 "Skipping because it's not operational!\n",
1203 ioc->name);
7acec1e7
MED		 1204 error = -ENODEV;
1205 goto out_mptfc_probe;
2496af39
MED		 1206 }
1207
1208 if (!ioc->active) {
1209 printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n",
1210 ioc->name);
7acec1e7
MED		 1211 error = -ENODEV;
1212 goto out_mptfc_probe;
2496af39
MED		 1213 }
1214
1215 /* Sanity check - ensure at least 1 port is INITIATOR capable
1216 */
1217 ioc_cap = 0;
1218 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1219 if (ioc->pfacts[ii].ProtocolFlags &
1220 MPI_PORTFACTS_PROTOCOL_INITIATOR)
1221 ioc_cap ++;
1222 }
1223
1224 if (!ioc_cap) {
1225 printk(MYIOC_s_WARN_FMT
1226 "Skipping ioc=%p because SCSI Initiator mode is NOT enabled!\n",
1227 ioc->name, ioc);
793955f5 1228 return 0;
2496af39
MED		 1229 }
1230
1231 sh = scsi_host_alloc(&mptfc_driver_template, sizeof(MPT_SCSI_HOST));
1232
1233 if (!sh) {
1234 printk(MYIOC_s_WARN_FMT
1235 "Unable to register controller with SCSI subsystem\n",
1236 ioc->name);
7acec1e7
MED		 1237 error = -1;
1238 goto out_mptfc_probe;
2496af39
MED		 1239 }
1240
80d3ac77 1241 spin_lock_init(&ioc->fc_rescan_work_lock);
c4028958
DH		 1242 INIT_WORK(&ioc->fc_rescan_work, mptfc_rescan_devices);
1243 INIT_WORK(&ioc->fc_setup_reset_work, mptfc_setup_reset);
eb5329f4 1244 INIT_WORK(&ioc->fc_lsc_work, mptfc_link_status_change);
05e8ec17 1245
2496af39
MED		 1246 spin_lock_irqsave(&ioc->FreeQlock, flags);
1247
1248 /* Attach the SCSI Host to the IOC structure
1249 */
1250 ioc->sh = sh;
1251
1252 sh->io_port = 0;
1253 sh->n_io_port = 0;
1254 sh->irq = 0;
1255
1256 /* set 16 byte cdb's */
1257 sh->max_cmd_len = 16;
1258
793955f5
EM		 1259 sh->max_id = ioc->pfacts->MaxDevices;
1260 sh->max_lun = max_lun;
2496af39 1261
2496af39
MED		 1262 /* Required entry.
1263 */
1264 sh->unique_id = ioc->id;
1265
1266 /* Verify that we won't exceed the maximum
1267 * number of chain buffers
1268 * We can optimize: ZZ = req_sz/sizeof(SGE)
1269 * For 32bit SGE's:
1270 * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ
1271 * + (req_sz - 64)/sizeof(SGE)
1272 * A slightly different algorithm is required for
1273 * 64bit SGEs.
1274 */
14d0f0b0
KD		 1275 scale = ioc->req_sz/ioc->SGE_size;
1276 if (ioc->sg_addr_size == sizeof(u64)) {
2496af39
MED		 1277 numSGE = (scale - 1) *
1278 (ioc->facts.MaxChainDepth-1) + scale +
14d0f0b0 1279 (ioc->req_sz - 60) / ioc->SGE_size;
2496af39
MED		 1280 } else {
1281 numSGE = 1 + (scale - 1) *
1282 (ioc->facts.MaxChainDepth-1) + scale +
14d0f0b0 1283 (ioc->req_sz - 64) / ioc->SGE_size;
2496af39
MED		 1284 }
1285
1286 if (numSGE < sh->sg_tablesize) {
1287 /* Reset this value */
d6ecdd63 1288 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2496af39
MED		 1289 "Resetting sg_tablesize to %d from %d\n",
1290 ioc->name, numSGE, sh->sg_tablesize));
1291 sh->sg_tablesize = numSGE;
1292 }
1293
2496af39
MED		 1294 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1295
e7eae9f6 1296 hd = shost_priv(sh);
2496af39
MED		 1297 hd->ioc = ioc;
1298
1299 /* SCSI needs scsi_cmnd lookup table!
1300 * (with size equal to req_depth*PtrSz!)
1301 */
e8206381
EM		 1302 ioc->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC);
1303 if (!ioc->ScsiLookup) {
2496af39 1304 error = -ENOMEM;
7acec1e7 1305 goto out_mptfc_probe;
2496af39 1306 }
e8206381 1307 spin_lock_init(&ioc->scsi_lookup_lock);
2496af39 1308
d6ecdd63 1309 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n",
e8206381 1310 ioc->name, ioc->ScsiLookup));
2496af39 1311
2496af39
MED		 1312 hd->last_queue_full = 0;
1313
05e8ec17 1314 sh->transportt = mptfc_transport_template;
2496af39
MED		 1315 error = scsi_add_host (sh, &ioc->pcidev->dev);
1316 if(error) {
29dd3609
EM		 1317 dprintk(ioc, printk(MYIOC_s_ERR_FMT
1318 "scsi_add_host failed\n", ioc->name));
7acec1e7 1319 goto out_mptfc_probe;
2496af39
MED		 1320 }
1321
65207fed
ME		 1322 /* initialize workqueue */
1323
aab0de24
KS		 1324 snprintf(ioc->fc_rescan_work_q_name, sizeof(ioc->fc_rescan_work_q_name),
1325 "mptfc_wq_%d", sh->host_no);
65207fed
ME		 1326 ioc->fc_rescan_work_q =
1327 create_singlethread_workqueue(ioc->fc_rescan_work_q_name);
1328 if (!ioc->fc_rescan_work_q)
1329 goto out_mptfc_probe;
1330
80d3ac77
MR		 1331 /*
1332 * Pre-fetch FC port WWN and stuff...
1333 * (FCPortPage0_t stuff)
1334 */
1335 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1336 (void) mptfc_GetFcPortPage0(ioc, ii);
1337 }
ca2f938e 1338 mptfc_SetFcPortPage1_defaults(ioc);
80d3ac77 1339
65207fed
ME		 1340 /*
1341 * scan for rports -
1342 * by doing it via the workqueue, some locking is eliminated
1343 */
1344
65207fed
ME		 1345 queue_work(ioc->fc_rescan_work_q, &ioc->fc_rescan_work);
1346 flush_workqueue(ioc->fc_rescan_work_q);
05e8ec17 1347
2496af39
MED		 1348 return 0;
1349
7acec1e7 1350out_mptfc_probe:
2496af39
MED		 1351
1352 mptscsih_remove(pdev);
1353 return error;
1354}
1355
1356static struct pci_driver mptfc_driver = {
1357 .name = "mptfc",
1358 .id_table = mptfc_pci_table,
1359 .probe = mptfc_probe,
47b1ea75 1360 .remove = mptfc_remove,
d18c3db5 1361 .shutdown = mptscsih_shutdown,
2496af39
MED		 1362#ifdef CONFIG_PM
1363 .suspend = mptscsih_suspend,
1364 .resume = mptscsih_resume,
1365#endif
1366};
1367
80d3ac77
MR		 1368static int
1369mptfc_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
1370{
1371 MPT_SCSI_HOST *hd;
1372 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
1373 unsigned long flags;
1374 int rc=1;
1375
ffb7fef3
KD		 1376 if (ioc->bus_type != FC)
1377 return 0;
1378
d6ecdd63 1379 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n",
80d3ac77
MR		 1380 ioc->name, event));
1381
1382 if (ioc->sh == NULL ||
e7eae9f6 1383 ((hd = shost_priv(ioc->sh)) == NULL))
80d3ac77
MR		 1384 return 1;
1385
1386 switch (event) {
1387 case MPI_EVENT_RESCAN:
1388 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1389 if (ioc->fc_rescan_work_q) {
3a0c56d8
MR		 1390 queue_work(ioc->fc_rescan_work_q,
1391 &ioc->fc_rescan_work);
80d3ac77
MR		 1392 }
1393 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1394 break;
eb5329f4
PS		 1395 case MPI_EVENT_LINK_STATUS_CHANGE:
1396 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1397 if (ioc->fc_rescan_work_q) {
1398 queue_work(ioc->fc_rescan_work_q,
1399 &ioc->fc_lsc_work);
1400 }
1401 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1402 break;
80d3ac77
MR		 1403 default:
1404 rc = mptscsih_event_process(ioc,pEvReply);
1405 break;
1406 }
1407 return rc;
1408}
1409
1410static int
1411mptfc_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
1412{
1413 int rc;
1414 unsigned long flags;
1415
1416 rc = mptscsih_ioc_reset(ioc,reset_phase);
ffb7fef3 1417 if ((ioc->bus_type != FC) || (!rc))
80d3ac77
MR		 1418 return rc;
1419
1420
d6ecdd63
PS		 1421 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1422 ": IOC %s_reset routed to FC host driver!\n",ioc->name,
80d3ac77
MR		 1423 reset_phase==MPT_IOC_SETUP_RESET ? "setup" : (
1424 reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post")));
1425
1426 if (reset_phase == MPT_IOC_SETUP_RESET) {
419835e2
MR		 1427 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1428 if (ioc->fc_rescan_work_q) {
1429 queue_work(ioc->fc_rescan_work_q,
1430 &ioc->fc_setup_reset_work);
1431 }
1432 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
80d3ac77
MR		 1433 }
1434
1435 else if (reset_phase == MPT_IOC_PRE_RESET) {
1436 }
1437
1438 else { /* MPT_IOC_POST_RESET */
ca2f938e 1439 mptfc_SetFcPortPage1_defaults(ioc);
80d3ac77
MR		 1440 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1441 if (ioc->fc_rescan_work_q) {
3a0c56d8
MR		 1442 queue_work(ioc->fc_rescan_work_q,
1443 &ioc->fc_rescan_work);
80d3ac77
MR		 1444 }
1445 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1446 }
1447 return 1;
1448}
1449
2496af39
MED		 1450/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1451/**
d9489fb6 1452 * mptfc_init - Register MPT adapter(s) as SCSI host(s) with SCSI mid-layer.
2496af39
MED		 1453 *
1454 * Returns 0 for success, non-zero for failure.
1455 */
1456static int __init
1457mptfc_init(void)
1458{
05e8ec17 1459 int error;
2496af39
MED		 1460
1461 show_mptmod_ver(my_NAME, my_VERSION);
1462
ca2f938e
MR		 1463 /* sanity check module parameters */
1464 if (mptfc_dev_loss_tmo <= 0)
05e8ec17
MR		 1465 mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO;
1466
1467 mptfc_transport_template =
1468 fc_attach_transport(&mptfc_transport_functions);
1469
1470 if (!mptfc_transport_template)
1471 return -ENODEV;
1472
213aaca3
KD		 1473 mptfcDoneCtx = mpt_register(mptscsih_io_done, MPTFC_DRIVER,
1474 "mptscsih_scandv_complete");
1475 mptfcTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTFC_DRIVER,
1476 "mptscsih_scandv_complete");
1477 mptfcInternalCtx = mpt_register(mptscsih_scandv_complete, MPTFC_DRIVER,
1478 "mptscsih_scandv_complete");
2496af39 1479
d6ecdd63
PS		 1480 mpt_event_register(mptfcDoneCtx, mptfc_event_process);
1481 mpt_reset_register(mptfcDoneCtx, mptfc_ioc_reset);
2496af39 1482
05e8ec17 1483 error = pci_register_driver(&mptfc_driver);
3bc7bf1d 1484 if (error)
05e8ec17 1485 fc_release_transport(mptfc_transport_template);
05e8ec17
MR		 1486
1487 return error;
1488}
1489
1490/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1491/**
d9489fb6 1492 * mptfc_remove - Remove fc infrastructure for devices
05e8ec17
MR		 1493 * @pdev: Pointer to pci_dev structure
1494 *
1495 */
47b1ea75 1496static void mptfc_remove(struct pci_dev *pdev)
05e8ec17 1497{
65207fed
ME		 1498 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1499 struct mptfc_rport_info *p, *n;
1500 struct workqueue_struct *work_q;
1501 unsigned long flags;
ca2f938e 1502 int ii;
65207fed
ME		 1503
1504 /* destroy workqueue */
1505 if ((work_q=ioc->fc_rescan_work_q)) {
1506 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1507 ioc->fc_rescan_work_q = NULL;
1508 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1509 destroy_workqueue(work_q);
1510 }
05e8ec17
MR		 1511
1512 fc_remove_host(ioc->sh);
1513
1514 list_for_each_entry_safe(p, n, &ioc->fc_rports, list) {
1515 list_del(&p->list);
1516 kfree(p);
1517 }
1518
ca2f938e
MR		 1519 for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) {
1520 if (ioc->fc_data.fc_port_page1[ii].data) {
1521 pci_free_consistent(ioc->pcidev,
1522 ioc->fc_data.fc_port_page1[ii].pg_sz,
1523 (u8 *) ioc->fc_data.fc_port_page1[ii].data,
1524 ioc->fc_data.fc_port_page1[ii].dma);
1525 ioc->fc_data.fc_port_page1[ii].data = NULL;
1526 }
1527 }
1528
05e8ec17 1529 mptscsih_remove(pdev);
2496af39
MED		 1530}
1531
1532/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1533/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1534/**
1535 * mptfc_exit - Unregisters MPT adapter(s)
1536 *
1537 */
1538static void __exit
1539mptfc_exit(void)
1540{
1541 pci_unregister_driver(&mptfc_driver);
05e8ec17
MR		 1542 fc_release_transport(mptfc_transport_template);
1543
2496af39 1544 mpt_reset_deregister(mptfcDoneCtx);
2496af39 1545 mpt_event_deregister(mptfcDoneCtx);
2496af39
MED		 1546
1547 mpt_deregister(mptfcInternalCtx);
1548 mpt_deregister(mptfcTaskCtx);
1549 mpt_deregister(mptfcDoneCtx);
1550}
1551
1552module_init(mptfc_init);
1553module_exit(mptfc_exit);
Linux 6.x block layer and io_uring tree(s)