1 | /* |
2 | * linux/drivers/message/fusion/mptfc.c |
3 | * For use with LSI PCI chip/adapter(s) |
4 | * running LSI Fusion MPT (Message Passing Technology) firmware. |
5 | * |
6 | * Copyright (c) 1999-2008 LSI Corporation |
7 | * (mailto:DL-MPTFusionLinux@lsi.com) |
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 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
46 | #include <linux/module.h> |
47 | #include <linux/kernel.h> |
48 | #include <linux/init.h> |
49 | #include <linux/errno.h> |
50 | #include <linux/kdev_t.h> |
51 | #include <linux/blkdev.h> |
52 | #include <linux/delay.h> /* for mdelay */ |
53 | #include <linux/interrupt.h> |
54 | #include <linux/reboot.h> /* notifier code */ |
55 | #include <linux/workqueue.h> |
56 | #include <linux/sort.h> |
57 | #include <linux/slab.h> |
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> |
64 | #include <scsi/scsi_transport_fc.h> |
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 | |
74 | MODULE_AUTHOR(MODULEAUTHOR); |
75 | MODULE_DESCRIPTION(my_NAME); |
76 | MODULE_LICENSE("GPL" ); |
77 | MODULE_VERSION(my_VERSION); |
78 | |
79 | /* Command line args */ |
80 | #define MPTFC_DEV_LOSS_TMO (60) |
81 | static int mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO; /* reasonable default */ |
82 | module_param(mptfc_dev_loss_tmo, int, 0); |
83 | MODULE_PARM_DESC(mptfc_dev_loss_tmo, " Initial time the driver programs the " |
84 | " transport to wait for an rport to " |
85 | " return following a device loss event." |
86 | " Default=60." ); |
87 | |
88 | /* scsi-mid layer global parmeter is max_report_luns, which is 511 */ |
89 | #define MPTFC_MAX_LUN (16895) |
90 | static int max_lun = MPTFC_MAX_LUN; |
91 | module_param(max_lun, int, 0); |
92 | MODULE_PARM_DESC(max_lun, " max lun, default=16895 " ); |
93 | |
94 | static u8 mptfcDoneCtx = MPT_MAX_PROTOCOL_DRIVERS; |
95 | static u8 mptfcTaskCtx = MPT_MAX_PROTOCOL_DRIVERS; |
96 | static u8 mptfcInternalCtx = MPT_MAX_PROTOCOL_DRIVERS; |
97 | |
98 | static int mptfc_target_alloc(struct scsi_target *starget); |
99 | static int mptfc_slave_alloc(struct scsi_device *sdev); |
100 | static int mptfc_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *SCpnt); |
101 | static void mptfc_target_destroy(struct scsi_target *starget); |
102 | static void mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout); |
103 | static void mptfc_remove(struct pci_dev *pdev); |
104 | static int mptfc_abort(struct scsi_cmnd *SCpnt); |
105 | static int mptfc_dev_reset(struct scsi_cmnd *SCpnt); |
106 | static int mptfc_bus_reset(struct scsi_cmnd *SCpnt); |
107 | |
108 | static const struct scsi_host_template mptfc_driver_template = { |
109 | .module = THIS_MODULE, |
110 | .proc_name = "mptfc" , |
111 | .show_info = mptscsih_show_info, |
112 | .name = "MPT FC Host" , |
113 | .info = mptscsih_info, |
114 | .queuecommand = mptfc_qcmd, |
115 | .target_alloc = mptfc_target_alloc, |
116 | .slave_alloc = mptfc_slave_alloc, |
117 | .slave_configure = mptscsih_slave_configure, |
118 | .target_destroy = mptfc_target_destroy, |
119 | .slave_destroy = mptscsih_slave_destroy, |
120 | .change_queue_depth = mptscsih_change_queue_depth, |
121 | .eh_timed_out = fc_eh_timed_out, |
122 | .eh_abort_handler = mptfc_abort, |
123 | .eh_device_reset_handler = mptfc_dev_reset, |
124 | .eh_bus_reset_handler = mptfc_bus_reset, |
125 | .eh_host_reset_handler = mptscsih_host_reset, |
126 | .bios_param = mptscsih_bios_param, |
127 | .can_queue = MPT_FC_CAN_QUEUE, |
128 | .this_id = -1, |
129 | .sg_tablesize = MPT_SCSI_SG_DEPTH, |
130 | .max_sectors = 8192, |
131 | .cmd_per_lun = 7, |
132 | .shost_groups = mptscsih_host_attr_groups, |
133 | }; |
134 | |
135 | /**************************************************************************** |
136 | * Supported hardware |
137 | */ |
138 | |
139 | static struct pci_device_id mptfc_pci_table[] = { |
140 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC909, |
141 | PCI_ANY_ID, PCI_ANY_ID }, |
142 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC919, |
143 | PCI_ANY_ID, PCI_ANY_ID }, |
144 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC929, |
145 | PCI_ANY_ID, PCI_ANY_ID }, |
146 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC919X, |
147 | PCI_ANY_ID, PCI_ANY_ID }, |
148 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC929X, |
149 | PCI_ANY_ID, PCI_ANY_ID }, |
150 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC939X, |
151 | PCI_ANY_ID, PCI_ANY_ID }, |
152 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC949X, |
153 | PCI_ANY_ID, PCI_ANY_ID }, |
154 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC949E, |
155 | PCI_ANY_ID, PCI_ANY_ID }, |
156 | { PCI_VENDOR_ID_BROCADE, MPI_MANUFACTPAGE_DEVICEID_FC949E, |
157 | PCI_ANY_ID, PCI_ANY_ID }, |
158 | {0} /* Terminating entry */ |
159 | }; |
160 | MODULE_DEVICE_TABLE(pci, mptfc_pci_table); |
161 | |
162 | static struct scsi_transport_template *mptfc_transport_template = NULL; |
163 | |
164 | static struct fc_function_template mptfc_transport_functions = { |
165 | .dd_fcrport_size = 8, |
166 | .show_host_node_name = 1, |
167 | .show_host_port_name = 1, |
168 | .show_host_supported_classes = 1, |
169 | .show_host_port_id = 1, |
170 | .show_rport_supported_classes = 1, |
171 | .show_starget_node_name = 1, |
172 | .show_starget_port_name = 1, |
173 | .show_starget_port_id = 1, |
174 | .set_rport_dev_loss_tmo = mptfc_set_rport_loss_tmo, |
175 | .show_rport_dev_loss_tmo = 1, |
176 | .show_host_supported_speeds = 1, |
177 | .show_host_maxframe_size = 1, |
178 | .show_host_speed = 1, |
179 | .show_host_fabric_name = 1, |
180 | .show_host_port_type = 1, |
181 | .show_host_port_state = 1, |
182 | .show_host_symbolic_name = 1, |
183 | }; |
184 | |
185 | static int |
186 | mptfc_block_error_handler(struct fc_rport *rport) |
187 | { |
188 | MPT_SCSI_HOST *hd; |
189 | struct Scsi_Host *shost = rport_to_shost(rport); |
190 | unsigned long flags; |
191 | int ready; |
192 | MPT_ADAPTER *ioc; |
193 | int loops = 40; /* seconds */ |
194 | |
195 | hd = shost_priv(shost); |
196 | ioc = hd->ioc; |
197 | spin_lock_irqsave(shost->host_lock, flags); |
198 | while ((ready = fc_remote_port_chkready(rport) >> 16) == DID_IMM_RETRY |
199 | || (loops > 0 && ioc->active == 0)) { |
200 | spin_unlock_irqrestore(lock: shost->host_lock, flags); |
201 | dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT |
202 | "mptfc_block_error_handler.%d: %s, port status is " |
203 | "%x, active flag %d, deferring recovery.\n" , |
204 | ioc->name, ioc->sh->host_no, |
205 | dev_name(&rport->dev), ready, ioc->active)); |
206 | msleep(msecs: 1000); |
207 | spin_lock_irqsave(shost->host_lock, flags); |
208 | loops --; |
209 | } |
210 | spin_unlock_irqrestore(lock: shost->host_lock, flags); |
211 | |
212 | if (ready == DID_NO_CONNECT || ioc->active == 0) { |
213 | dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT |
214 | "mpt_block_error_handler.%d: %s, failing recovery, " |
215 | "port state %x, active %d.\n" , |
216 | ioc->name, ioc->sh->host_no, |
217 | dev_name(&rport->dev), ready, ioc->active)); |
218 | return FAILED; |
219 | } |
220 | return SUCCESS; |
221 | } |
222 | |
223 | static int |
224 | mptfc_abort(struct scsi_cmnd *SCpnt) |
225 | { |
226 | struct Scsi_Host *shost = SCpnt->device->host; |
227 | struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device)); |
228 | MPT_SCSI_HOST __maybe_unused *hd = shost_priv(shost); |
229 | int rtn; |
230 | |
231 | rtn = mptfc_block_error_handler(rport); |
232 | if (rtn == SUCCESS) { |
233 | dfcprintk (hd->ioc, printk(MYIOC_s_DEBUG_FMT |
234 | "%s.%d: %d:%llu, executing recovery.\n" , __func__, |
235 | hd->ioc->name, shost->host_no, |
236 | SCpnt->device->id, SCpnt->device->lun)); |
237 | rtn = mptscsih_abort(SCpnt); |
238 | } |
239 | return rtn; |
240 | } |
241 | |
242 | static int |
243 | mptfc_dev_reset(struct scsi_cmnd *SCpnt) |
244 | { |
245 | struct Scsi_Host *shost = SCpnt->device->host; |
246 | struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device)); |
247 | MPT_SCSI_HOST __maybe_unused *hd = shost_priv(shost); |
248 | int rtn; |
249 | |
250 | rtn = mptfc_block_error_handler(rport); |
251 | if (rtn == SUCCESS) { |
252 | dfcprintk (hd->ioc, printk(MYIOC_s_DEBUG_FMT |
253 | "%s.%d: %d:%llu, executing recovery.\n" , __func__, |
254 | hd->ioc->name, shost->host_no, |
255 | SCpnt->device->id, SCpnt->device->lun)); |
256 | rtn = mptscsih_dev_reset(SCpnt); |
257 | } |
258 | return rtn; |
259 | } |
260 | |
261 | static int |
262 | mptfc_bus_reset(struct scsi_cmnd *SCpnt) |
263 | { |
264 | struct Scsi_Host *shost = SCpnt->device->host; |
265 | MPT_SCSI_HOST __maybe_unused *hd = shost_priv(shost); |
266 | int channel = SCpnt->device->channel; |
267 | struct mptfc_rport_info *ri; |
268 | int rtn = FAILED; |
269 | |
270 | list_for_each_entry(ri, &hd->ioc->fc_rports, list) { |
271 | if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) { |
272 | VirtTarget *vtarget = ri->starget->hostdata; |
273 | |
274 | if (!vtarget || vtarget->channel != channel) |
275 | continue; |
276 | rtn = fc_block_rport(rport: ri->rport); |
277 | if (rtn != 0) |
278 | break; |
279 | } |
280 | } |
281 | if (rtn == 0) { |
282 | dfcprintk (hd->ioc, printk(MYIOC_s_DEBUG_FMT |
283 | "%s.%d: %d:%llu, executing recovery.\n" , __func__, |
284 | hd->ioc->name, shost->host_no, |
285 | SCpnt->device->id, SCpnt->device->lun)); |
286 | rtn = mptscsih_bus_reset(SCpnt); |
287 | } |
288 | return rtn; |
289 | } |
290 | |
291 | static void |
292 | mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) |
293 | { |
294 | if (timeout > 0) |
295 | rport->dev_loss_tmo = timeout; |
296 | else |
297 | rport->dev_loss_tmo = mptfc_dev_loss_tmo; |
298 | } |
299 | |
300 | static int |
301 | mptfc_FcDevPage0_cmp_func(const void *a, const void *b) |
302 | { |
303 | FCDevicePage0_t **aa = (FCDevicePage0_t **)a; |
304 | FCDevicePage0_t **bb = (FCDevicePage0_t **)b; |
305 | |
306 | if ((*aa)->CurrentBus == (*bb)->CurrentBus) { |
307 | if ((*aa)->CurrentTargetID == (*bb)->CurrentTargetID) |
308 | return 0; |
309 | if ((*aa)->CurrentTargetID < (*bb)->CurrentTargetID) |
310 | return -1; |
311 | return 1; |
312 | } |
313 | if ((*aa)->CurrentBus < (*bb)->CurrentBus) |
314 | return -1; |
315 | return 1; |
316 | } |
317 | |
318 | static int |
319 | mptfc_GetFcDevPage0(MPT_ADAPTER *ioc, int ioc_port, |
320 | void(*func)(MPT_ADAPTER *ioc,int channel, FCDevicePage0_t *arg)) |
321 | { |
322 | ConfigPageHeader_t hdr; |
323 | CONFIGPARMS cfg; |
324 | FCDevicePage0_t *ppage0_alloc, *fc; |
325 | dma_addr_t page0_dma; |
326 | int data_sz; |
327 | int ii; |
328 | |
329 | FCDevicePage0_t *p0_array=NULL, *p_p0; |
330 | FCDevicePage0_t **pp0_array=NULL, **p_pp0; |
331 | |
332 | int rc = -ENOMEM; |
333 | U32 port_id = 0xffffff; |
334 | int num_targ = 0; |
335 | int max_bus = ioc->facts.MaxBuses; |
336 | int max_targ; |
337 | |
338 | max_targ = (ioc->facts.MaxDevices == 0) ? 256 : ioc->facts.MaxDevices; |
339 | |
340 | data_sz = sizeof(FCDevicePage0_t) * max_bus * max_targ; |
341 | p_p0 = p0_array = kzalloc(size: data_sz, GFP_KERNEL); |
342 | if (!p0_array) |
343 | goto out; |
344 | |
345 | data_sz = sizeof(FCDevicePage0_t *) * max_bus * max_targ; |
346 | p_pp0 = pp0_array = kzalloc(size: data_sz, GFP_KERNEL); |
347 | if (!pp0_array) |
348 | goto out; |
349 | |
350 | do { |
351 | /* Get FC Device Page 0 header */ |
352 | hdr.PageVersion = 0; |
353 | hdr.PageLength = 0; |
354 | hdr.PageNumber = 0; |
355 | hdr.PageType = MPI_CONFIG_PAGETYPE_FC_DEVICE; |
356 | cfg.cfghdr.hdr = &hdr; |
357 | cfg.physAddr = -1; |
358 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; |
359 | cfg.dir = 0; |
360 | cfg.pageAddr = port_id; |
361 | cfg.timeout = 0; |
362 | |
363 | if ((rc = mpt_config(ioc, cfg: &cfg)) != 0) |
364 | break; |
365 | |
366 | if (hdr.PageLength <= 0) |
367 | break; |
368 | |
369 | data_sz = hdr.PageLength * 4; |
370 | ppage0_alloc = dma_alloc_coherent(dev: &ioc->pcidev->dev, size: data_sz, |
371 | dma_handle: &page0_dma, GFP_KERNEL); |
372 | rc = -ENOMEM; |
373 | if (!ppage0_alloc) |
374 | break; |
375 | |
376 | cfg.physAddr = page0_dma; |
377 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; |
378 | |
379 | if ((rc = mpt_config(ioc, cfg: &cfg)) == 0) { |
380 | ppage0_alloc->PortIdentifier = |
381 | le32_to_cpu(ppage0_alloc->PortIdentifier); |
382 | |
383 | ppage0_alloc->WWNN.Low = |
384 | le32_to_cpu(ppage0_alloc->WWNN.Low); |
385 | |
386 | ppage0_alloc->WWNN.High = |
387 | le32_to_cpu(ppage0_alloc->WWNN.High); |
388 | |
389 | ppage0_alloc->WWPN.Low = |
390 | le32_to_cpu(ppage0_alloc->WWPN.Low); |
391 | |
392 | ppage0_alloc->WWPN.High = |
393 | le32_to_cpu(ppage0_alloc->WWPN.High); |
394 | |
395 | ppage0_alloc->BBCredit = |
396 | le16_to_cpu(ppage0_alloc->BBCredit); |
397 | |
398 | ppage0_alloc->MaxRxFrameSize = |
399 | le16_to_cpu(ppage0_alloc->MaxRxFrameSize); |
400 | |
401 | port_id = ppage0_alloc->PortIdentifier; |
402 | num_targ++; |
403 | *p_p0 = *ppage0_alloc; /* save data */ |
404 | *p_pp0++ = p_p0++; /* save addr */ |
405 | } |
406 | dma_free_coherent(dev: &ioc->pcidev->dev, size: data_sz, |
407 | cpu_addr: ppage0_alloc, dma_handle: page0_dma); |
408 | if (rc != 0) |
409 | break; |
410 | |
411 | } while (port_id <= 0xff0000); |
412 | |
413 | if (num_targ) { |
414 | /* sort array */ |
415 | if (num_targ > 1) |
416 | sort (base: pp0_array, num: num_targ, size: sizeof(FCDevicePage0_t *), |
417 | cmp_func: mptfc_FcDevPage0_cmp_func, NULL); |
418 | /* call caller's func for each targ */ |
419 | for (ii = 0; ii < num_targ; ii++) { |
420 | fc = *(pp0_array+ii); |
421 | func(ioc, ioc_port, fc); |
422 | } |
423 | } |
424 | |
425 | out: |
426 | kfree(objp: pp0_array); |
427 | kfree(objp: p0_array); |
428 | return rc; |
429 | } |
430 | |
431 | static int |
432 | mptfc_generate_rport_ids(FCDevicePage0_t *pg0, struct fc_rport_identifiers *rid) |
433 | { |
434 | /* not currently usable */ |
435 | if (pg0->Flags & (MPI_FC_DEVICE_PAGE0_FLAGS_PLOGI_INVALID | |
436 | MPI_FC_DEVICE_PAGE0_FLAGS_PRLI_INVALID)) |
437 | return -1; |
438 | |
439 | if (!(pg0->Flags & MPI_FC_DEVICE_PAGE0_FLAGS_TARGETID_BUS_VALID)) |
440 | return -1; |
441 | |
442 | if (!(pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_TARGET)) |
443 | return -1; |
444 | |
445 | /* |
446 | * board data structure already normalized to platform endianness |
447 | * shifted to avoid unaligned access on 64 bit architecture |
448 | */ |
449 | rid->node_name = ((u64)pg0->WWNN.High) << 32 | (u64)pg0->WWNN.Low; |
450 | rid->port_name = ((u64)pg0->WWPN.High) << 32 | (u64)pg0->WWPN.Low; |
451 | rid->port_id = pg0->PortIdentifier; |
452 | rid->roles = FC_RPORT_ROLE_UNKNOWN; |
453 | |
454 | return 0; |
455 | } |
456 | |
457 | static void |
458 | mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0) |
459 | { |
460 | struct fc_rport_identifiers rport_ids; |
461 | struct fc_rport *rport; |
462 | struct mptfc_rport_info *ri; |
463 | int new_ri = 1; |
464 | u64 pn, nn; |
465 | VirtTarget *vtarget; |
466 | u32 roles = FC_RPORT_ROLE_UNKNOWN; |
467 | |
468 | if (mptfc_generate_rport_ids(pg0, rid: &rport_ids) < 0) |
469 | return; |
470 | |
471 | roles |= FC_RPORT_ROLE_FCP_TARGET; |
472 | if (pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_INITIATOR) |
473 | roles |= FC_RPORT_ROLE_FCP_INITIATOR; |
474 | |
475 | /* scan list looking for a match */ |
476 | list_for_each_entry(ri, &ioc->fc_rports, list) { |
477 | pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low; |
478 | if (pn == rport_ids.port_name) { /* match */ |
479 | list_move_tail(list: &ri->list, head: &ioc->fc_rports); |
480 | new_ri = 0; |
481 | break; |
482 | } |
483 | } |
484 | if (new_ri) { /* allocate one */ |
485 | ri = kzalloc(size: sizeof(struct mptfc_rport_info), GFP_KERNEL); |
486 | if (!ri) |
487 | return; |
488 | list_add_tail(new: &ri->list, head: &ioc->fc_rports); |
489 | } |
490 | |
491 | ri->pg0 = *pg0; /* add/update pg0 data */ |
492 | ri->flags &= ~MPT_RPORT_INFO_FLAGS_MISSING; |
493 | |
494 | /* MPT_RPORT_INFO_FLAGS_REGISTERED - rport not previously deleted */ |
495 | if (!(ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED)) { |
496 | ri->flags |= MPT_RPORT_INFO_FLAGS_REGISTERED; |
497 | rport = fc_remote_port_add(shost: ioc->sh, channel, ids: &rport_ids); |
498 | if (rport) { |
499 | ri->rport = rport; |
500 | if (new_ri) /* may have been reset by user */ |
501 | rport->dev_loss_tmo = mptfc_dev_loss_tmo; |
502 | /* |
503 | * if already mapped, remap here. If not mapped, |
504 | * target_alloc will allocate vtarget and map, |
505 | * slave_alloc will fill in vdevice from vtarget. |
506 | */ |
507 | if (ri->starget) { |
508 | vtarget = ri->starget->hostdata; |
509 | if (vtarget) { |
510 | vtarget->id = pg0->CurrentTargetID; |
511 | vtarget->channel = pg0->CurrentBus; |
512 | vtarget->deleted = 0; |
513 | } |
514 | } |
515 | *((struct mptfc_rport_info **)rport->dd_data) = ri; |
516 | /* scan will be scheduled once rport becomes a target */ |
517 | fc_remote_port_rolechg(rport,roles); |
518 | |
519 | pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low; |
520 | nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low; |
521 | dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT |
522 | "mptfc_reg_dev.%d: %x, %llx / %llx, tid %d, " |
523 | "rport tid %d, tmo %d\n" , |
524 | ioc->name, |
525 | ioc->sh->host_no, |
526 | pg0->PortIdentifier, |
527 | (unsigned long long)nn, |
528 | (unsigned long long)pn, |
529 | pg0->CurrentTargetID, |
530 | ri->rport->scsi_target_id, |
531 | ri->rport->dev_loss_tmo)); |
532 | } else { |
533 | list_del(entry: &ri->list); |
534 | kfree(objp: ri); |
535 | ri = NULL; |
536 | } |
537 | } |
538 | } |
539 | |
540 | /* |
541 | * OS entry point to allow for host driver to free allocated memory |
542 | * Called if no device present or device being unloaded |
543 | */ |
544 | static void |
545 | mptfc_target_destroy(struct scsi_target *starget) |
546 | { |
547 | struct fc_rport *rport; |
548 | struct mptfc_rport_info *ri; |
549 | |
550 | rport = starget_to_rport(starget); |
551 | if (rport) { |
552 | ri = *((struct mptfc_rport_info **)rport->dd_data); |
553 | if (ri) /* better be! */ |
554 | ri->starget = NULL; |
555 | } |
556 | kfree(objp: starget->hostdata); |
557 | starget->hostdata = NULL; |
558 | } |
559 | |
560 | /* |
561 | * OS entry point to allow host driver to alloc memory |
562 | * for each scsi target. Called once per device the bus scan. |
563 | * Return non-zero if allocation fails. |
564 | */ |
565 | static int |
566 | mptfc_target_alloc(struct scsi_target *starget) |
567 | { |
568 | VirtTarget *vtarget; |
569 | struct fc_rport *rport; |
570 | struct mptfc_rport_info *ri; |
571 | int rc; |
572 | |
573 | vtarget = kzalloc(size: sizeof(VirtTarget), GFP_KERNEL); |
574 | if (!vtarget) |
575 | return -ENOMEM; |
576 | starget->hostdata = vtarget; |
577 | |
578 | rc = -ENODEV; |
579 | rport = starget_to_rport(starget); |
580 | if (rport) { |
581 | ri = *((struct mptfc_rport_info **)rport->dd_data); |
582 | if (ri) { /* better be! */ |
583 | vtarget->id = ri->pg0.CurrentTargetID; |
584 | vtarget->channel = ri->pg0.CurrentBus; |
585 | ri->starget = starget; |
586 | rc = 0; |
587 | } |
588 | } |
589 | if (rc != 0) { |
590 | kfree(objp: vtarget); |
591 | starget->hostdata = NULL; |
592 | } |
593 | |
594 | return rc; |
595 | } |
596 | /* |
597 | * mptfc_dump_lun_info |
598 | * @ioc |
599 | * @rport |
600 | * @sdev |
601 | * |
602 | */ |
603 | static void |
604 | mptfc_dump_lun_info(MPT_ADAPTER *ioc, struct fc_rport *rport, struct scsi_device *sdev, |
605 | VirtTarget *vtarget) |
606 | { |
607 | u64 nn, pn; |
608 | struct mptfc_rport_info *ri; |
609 | |
610 | ri = *((struct mptfc_rport_info **)rport->dd_data); |
611 | pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low; |
612 | nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low; |
613 | dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT |
614 | "mptfc_slv_alloc.%d: num_luns %d, sdev.id %d, " |
615 | "CurrentTargetID %d, %x %llx %llx\n" , |
616 | ioc->name, |
617 | sdev->host->host_no, |
618 | vtarget->num_luns, |
619 | sdev->id, ri->pg0.CurrentTargetID, |
620 | ri->pg0.PortIdentifier, |
621 | (unsigned long long)pn, |
622 | (unsigned long long)nn)); |
623 | } |
624 | |
625 | |
626 | /* |
627 | * OS entry point to allow host driver to alloc memory |
628 | * for each scsi device. Called once per device the bus scan. |
629 | * Return non-zero if allocation fails. |
630 | * Init memory once per LUN. |
631 | */ |
632 | static int |
633 | mptfc_slave_alloc(struct scsi_device *sdev) |
634 | { |
635 | MPT_SCSI_HOST *hd; |
636 | VirtTarget *vtarget; |
637 | VirtDevice *vdevice; |
638 | struct scsi_target *starget; |
639 | struct fc_rport *rport; |
640 | MPT_ADAPTER *ioc; |
641 | |
642 | starget = scsi_target(sdev); |
643 | rport = starget_to_rport(starget); |
644 | |
645 | if (!rport || fc_remote_port_chkready(rport)) |
646 | return -ENXIO; |
647 | |
648 | hd = shost_priv(shost: sdev->host); |
649 | ioc = hd->ioc; |
650 | |
651 | vdevice = kzalloc(size: sizeof(VirtDevice), GFP_KERNEL); |
652 | if (!vdevice) { |
653 | printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n" , |
654 | ioc->name, sizeof(VirtDevice)); |
655 | return -ENOMEM; |
656 | } |
657 | |
658 | |
659 | sdev->hostdata = vdevice; |
660 | vtarget = starget->hostdata; |
661 | |
662 | if (vtarget->num_luns == 0) { |
663 | vtarget->ioc_id = ioc->id; |
664 | vtarget->tflags = MPT_TARGET_FLAGS_Q_YES; |
665 | } |
666 | |
667 | vdevice->vtarget = vtarget; |
668 | vdevice->lun = sdev->lun; |
669 | |
670 | vtarget->num_luns++; |
671 | |
672 | |
673 | mptfc_dump_lun_info(ioc, rport, sdev, vtarget); |
674 | |
675 | return 0; |
676 | } |
677 | |
678 | static int |
679 | mptfc_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *SCpnt) |
680 | { |
681 | struct mptfc_rport_info *ri; |
682 | struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device)); |
683 | int err; |
684 | VirtDevice *vdevice = SCpnt->device->hostdata; |
685 | |
686 | if (!vdevice || !vdevice->vtarget) { |
687 | SCpnt->result = DID_NO_CONNECT << 16; |
688 | scsi_done(cmd: SCpnt); |
689 | return 0; |
690 | } |
691 | |
692 | err = fc_remote_port_chkready(rport); |
693 | if (unlikely(err)) { |
694 | SCpnt->result = err; |
695 | scsi_done(cmd: SCpnt); |
696 | return 0; |
697 | } |
698 | |
699 | /* dd_data is null until finished adding target */ |
700 | ri = *((struct mptfc_rport_info **)rport->dd_data); |
701 | if (unlikely(!ri)) { |
702 | SCpnt->result = DID_IMM_RETRY << 16; |
703 | scsi_done(cmd: SCpnt); |
704 | return 0; |
705 | } |
706 | |
707 | return mptscsih_qcmd(SCpnt); |
708 | } |
709 | |
710 | /* |
711 | * mptfc_display_port_link_speed - displaying link speed |
712 | * @ioc: Pointer to MPT_ADAPTER structure |
713 | * @portnum: IOC Port number |
714 | * @pp0dest: port page0 data payload |
715 | * |
716 | */ |
717 | static void |
718 | mptfc_display_port_link_speed(MPT_ADAPTER *ioc, int portnum, FCPortPage0_t *pp0dest) |
719 | { |
720 | u8 old_speed, new_speed, state; |
721 | char *old, *new; |
722 | |
723 | if (portnum >= 2) |
724 | return; |
725 | |
726 | old_speed = ioc->fc_link_speed[portnum]; |
727 | new_speed = pp0dest->CurrentSpeed; |
728 | state = pp0dest->PortState; |
729 | |
730 | if (state != MPI_FCPORTPAGE0_PORTSTATE_OFFLINE && |
731 | new_speed != MPI_FCPORTPAGE0_CURRENT_SPEED_UNKNOWN) { |
732 | |
733 | old = old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT ? "1 Gbps" : |
734 | old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT ? "2 Gbps" : |
735 | old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT ? "4 Gbps" : |
736 | "Unknown" ; |
737 | new = new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT ? "1 Gbps" : |
738 | new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT ? "2 Gbps" : |
739 | new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT ? "4 Gbps" : |
740 | "Unknown" ; |
741 | if (old_speed == 0) |
742 | printk(MYIOC_s_NOTE_FMT |
743 | "FC Link Established, Speed = %s\n" , |
744 | ioc->name, new); |
745 | else if (old_speed != new_speed) |
746 | printk(MYIOC_s_WARN_FMT |
747 | "FC Link Speed Change, Old Speed = %s, New Speed = %s\n" , |
748 | ioc->name, old, new); |
749 | |
750 | ioc->fc_link_speed[portnum] = new_speed; |
751 | } |
752 | } |
753 | |
754 | /* |
755 | * mptfc_GetFcPortPage0 - Fetch FCPort config Page0. |
756 | * @ioc: Pointer to MPT_ADAPTER structure |
757 | * @portnum: IOC Port number |
758 | * |
759 | * Return: 0 for success |
760 | * -ENOMEM if no memory available |
761 | * -EPERM if not allowed due to ISR context |
762 | * -EAGAIN if no msg frames currently available |
763 | * -EFAULT for non-successful reply or no reply (timeout) |
764 | * -EINVAL portnum arg out of range (hardwired to two elements) |
765 | */ |
766 | static int |
767 | mptfc_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum) |
768 | { |
769 | ConfigPageHeader_t hdr; |
770 | CONFIGPARMS cfg; |
771 | FCPortPage0_t *ppage0_alloc; |
772 | FCPortPage0_t *pp0dest; |
773 | dma_addr_t page0_dma; |
774 | int data_sz; |
775 | int copy_sz; |
776 | int rc; |
777 | int count = 400; |
778 | |
779 | if (portnum > 1) |
780 | return -EINVAL; |
781 | |
782 | /* Get FCPort Page 0 header */ |
783 | hdr.PageVersion = 0; |
784 | hdr.PageLength = 0; |
785 | hdr.PageNumber = 0; |
786 | hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT; |
787 | cfg.cfghdr.hdr = &hdr; |
788 | cfg.physAddr = -1; |
789 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; |
790 | cfg.dir = 0; |
791 | cfg.pageAddr = portnum; |
792 | cfg.timeout = 0; |
793 | |
794 | if ((rc = mpt_config(ioc, cfg: &cfg)) != 0) |
795 | return rc; |
796 | |
797 | if (hdr.PageLength == 0) |
798 | return 0; |
799 | |
800 | data_sz = hdr.PageLength * 4; |
801 | rc = -ENOMEM; |
802 | ppage0_alloc = dma_alloc_coherent(dev: &ioc->pcidev->dev, size: data_sz, |
803 | dma_handle: &page0_dma, GFP_KERNEL); |
804 | if (ppage0_alloc) { |
805 | |
806 | try_again: |
807 | memset((u8 *)ppage0_alloc, 0, data_sz); |
808 | cfg.physAddr = page0_dma; |
809 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; |
810 | |
811 | if ((rc = mpt_config(ioc, cfg: &cfg)) == 0) { |
812 | /* save the data */ |
813 | pp0dest = &ioc->fc_port_page0[portnum]; |
814 | copy_sz = min_t(int, sizeof(FCPortPage0_t), data_sz); |
815 | memcpy(pp0dest, ppage0_alloc, copy_sz); |
816 | |
817 | /* |
818 | * Normalize endianness of structure data, |
819 | * by byte-swapping all > 1 byte fields! |
820 | */ |
821 | pp0dest->Flags = le32_to_cpu(pp0dest->Flags); |
822 | pp0dest->PortIdentifier = le32_to_cpu(pp0dest->PortIdentifier); |
823 | pp0dest->WWNN.Low = le32_to_cpu(pp0dest->WWNN.Low); |
824 | pp0dest->WWNN.High = le32_to_cpu(pp0dest->WWNN.High); |
825 | pp0dest->WWPN.Low = le32_to_cpu(pp0dest->WWPN.Low); |
826 | pp0dest->WWPN.High = le32_to_cpu(pp0dest->WWPN.High); |
827 | pp0dest->SupportedServiceClass = le32_to_cpu(pp0dest->SupportedServiceClass); |
828 | pp0dest->SupportedSpeeds = le32_to_cpu(pp0dest->SupportedSpeeds); |
829 | pp0dest->CurrentSpeed = le32_to_cpu(pp0dest->CurrentSpeed); |
830 | pp0dest->MaxFrameSize = le32_to_cpu(pp0dest->MaxFrameSize); |
831 | pp0dest->FabricWWNN.Low = le32_to_cpu(pp0dest->FabricWWNN.Low); |
832 | pp0dest->FabricWWNN.High = le32_to_cpu(pp0dest->FabricWWNN.High); |
833 | pp0dest->FabricWWPN.Low = le32_to_cpu(pp0dest->FabricWWPN.Low); |
834 | pp0dest->FabricWWPN.High = le32_to_cpu(pp0dest->FabricWWPN.High); |
835 | pp0dest->DiscoveredPortsCount = le32_to_cpu(pp0dest->DiscoveredPortsCount); |
836 | pp0dest->MaxInitiators = le32_to_cpu(pp0dest->MaxInitiators); |
837 | |
838 | /* |
839 | * if still doing discovery, |
840 | * hang loose a while until finished |
841 | */ |
842 | if ((pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_UNKNOWN) || |
843 | (pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE && |
844 | (pp0dest->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_TYPE_MASK) |
845 | == MPI_FCPORTPAGE0_FLAGS_ATTACH_NO_INIT)) { |
846 | if (count-- > 0) { |
847 | msleep(msecs: 100); |
848 | goto try_again; |
849 | } |
850 | printk(MYIOC_s_INFO_FMT "Firmware discovery not" |
851 | " complete.\n" , |
852 | ioc->name); |
853 | } |
854 | mptfc_display_port_link_speed(ioc, portnum, pp0dest); |
855 | } |
856 | |
857 | dma_free_coherent(dev: &ioc->pcidev->dev, size: data_sz, cpu_addr: ppage0_alloc, |
858 | dma_handle: page0_dma); |
859 | } |
860 | |
861 | return rc; |
862 | } |
863 | |
864 | static int |
865 | mptfc_WriteFcPortPage1(MPT_ADAPTER *ioc, int portnum) |
866 | { |
867 | ConfigPageHeader_t hdr; |
868 | CONFIGPARMS cfg; |
869 | int rc; |
870 | |
871 | if (portnum > 1) |
872 | return -EINVAL; |
873 | |
874 | if (!(ioc->fc_data.fc_port_page1[portnum].data)) |
875 | return -EINVAL; |
876 | |
877 | /* get fcport page 1 header */ |
878 | hdr.PageVersion = 0; |
879 | hdr.PageLength = 0; |
880 | hdr.PageNumber = 1; |
881 | hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT; |
882 | cfg.cfghdr.hdr = &hdr; |
883 | cfg.physAddr = -1; |
884 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; |
885 | cfg.dir = 0; |
886 | cfg.pageAddr = portnum; |
887 | cfg.timeout = 0; |
888 | |
889 | if ((rc = mpt_config(ioc, cfg: &cfg)) != 0) |
890 | return rc; |
891 | |
892 | if (hdr.PageLength == 0) |
893 | return -ENODEV; |
894 | |
895 | if (hdr.PageLength*4 != ioc->fc_data.fc_port_page1[portnum].pg_sz) |
896 | return -EINVAL; |
897 | |
898 | cfg.physAddr = ioc->fc_data.fc_port_page1[portnum].dma; |
899 | cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT; |
900 | cfg.dir = 1; |
901 | |
902 | rc = mpt_config(ioc, cfg: &cfg); |
903 | |
904 | return rc; |
905 | } |
906 | |
907 | static int |
908 | mptfc_GetFcPortPage1(MPT_ADAPTER *ioc, int portnum) |
909 | { |
910 | ConfigPageHeader_t hdr; |
911 | CONFIGPARMS cfg; |
912 | FCPortPage1_t *page1_alloc; |
913 | dma_addr_t page1_dma; |
914 | int data_sz; |
915 | int rc; |
916 | |
917 | if (portnum > 1) |
918 | return -EINVAL; |
919 | |
920 | /* get fcport page 1 header */ |
921 | hdr.PageVersion = 0; |
922 | hdr.PageLength = 0; |
923 | hdr.PageNumber = 1; |
924 | hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT; |
925 | cfg.cfghdr.hdr = &hdr; |
926 | cfg.physAddr = -1; |
927 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; |
928 | cfg.dir = 0; |
929 | cfg.pageAddr = portnum; |
930 | cfg.timeout = 0; |
931 | |
932 | if ((rc = mpt_config(ioc, cfg: &cfg)) != 0) |
933 | return rc; |
934 | |
935 | if (hdr.PageLength == 0) |
936 | return -ENODEV; |
937 | |
938 | start_over: |
939 | |
940 | if (ioc->fc_data.fc_port_page1[portnum].data == NULL) { |
941 | data_sz = hdr.PageLength * 4; |
942 | if (data_sz < sizeof(FCPortPage1_t)) |
943 | data_sz = sizeof(FCPortPage1_t); |
944 | |
945 | page1_alloc = dma_alloc_coherent(dev: &ioc->pcidev->dev, size: data_sz, |
946 | dma_handle: &page1_dma, GFP_KERNEL); |
947 | if (!page1_alloc) |
948 | return -ENOMEM; |
949 | } |
950 | else { |
951 | page1_alloc = ioc->fc_data.fc_port_page1[portnum].data; |
952 | page1_dma = ioc->fc_data.fc_port_page1[portnum].dma; |
953 | data_sz = ioc->fc_data.fc_port_page1[portnum].pg_sz; |
954 | if (hdr.PageLength * 4 > data_sz) { |
955 | ioc->fc_data.fc_port_page1[portnum].data = NULL; |
956 | dma_free_coherent(dev: &ioc->pcidev->dev, size: data_sz, |
957 | cpu_addr: page1_alloc, dma_handle: page1_dma); |
958 | goto start_over; |
959 | } |
960 | } |
961 | |
962 | cfg.physAddr = page1_dma; |
963 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; |
964 | |
965 | if ((rc = mpt_config(ioc, cfg: &cfg)) == 0) { |
966 | ioc->fc_data.fc_port_page1[portnum].data = page1_alloc; |
967 | ioc->fc_data.fc_port_page1[portnum].pg_sz = data_sz; |
968 | ioc->fc_data.fc_port_page1[portnum].dma = page1_dma; |
969 | } |
970 | else { |
971 | ioc->fc_data.fc_port_page1[portnum].data = NULL; |
972 | dma_free_coherent(dev: &ioc->pcidev->dev, size: data_sz, cpu_addr: page1_alloc, |
973 | dma_handle: page1_dma); |
974 | } |
975 | |
976 | return rc; |
977 | } |
978 | |
979 | static void |
980 | mptfc_SetFcPortPage1_defaults(MPT_ADAPTER *ioc) |
981 | { |
982 | int ii; |
983 | FCPortPage1_t *pp1; |
984 | |
985 | #define MPTFC_FW_DEVICE_TIMEOUT (1) |
986 | #define MPTFC_FW_IO_PEND_TIMEOUT (1) |
987 | #define ON_FLAGS (MPI_FCPORTPAGE1_FLAGS_IMMEDIATE_ERROR_REPLY) |
988 | #define OFF_FLAGS (MPI_FCPORTPAGE1_FLAGS_VERBOSE_RESCAN_EVENTS) |
989 | |
990 | for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) { |
991 | if (mptfc_GetFcPortPage1(ioc, portnum: ii) != 0) |
992 | continue; |
993 | pp1 = ioc->fc_data.fc_port_page1[ii].data; |
994 | if ((pp1->InitiatorDeviceTimeout == MPTFC_FW_DEVICE_TIMEOUT) |
995 | && (pp1->InitiatorIoPendTimeout == MPTFC_FW_IO_PEND_TIMEOUT) |
996 | && ((pp1->Flags & ON_FLAGS) == ON_FLAGS) |
997 | && ((pp1->Flags & OFF_FLAGS) == 0)) |
998 | continue; |
999 | pp1->InitiatorDeviceTimeout = MPTFC_FW_DEVICE_TIMEOUT; |
1000 | pp1->InitiatorIoPendTimeout = MPTFC_FW_IO_PEND_TIMEOUT; |
1001 | pp1->Flags &= ~OFF_FLAGS; |
1002 | pp1->Flags |= ON_FLAGS; |
1003 | mptfc_WriteFcPortPage1(ioc, portnum: ii); |
1004 | } |
1005 | } |
1006 | |
1007 | |
1008 | static void |
1009 | mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum) |
1010 | { |
1011 | unsigned class = 0; |
1012 | unsigned cos = 0; |
1013 | unsigned speed; |
1014 | unsigned port_type; |
1015 | unsigned port_state; |
1016 | FCPortPage0_t *pp0; |
1017 | struct Scsi_Host *sh; |
1018 | char *sn; |
1019 | |
1020 | /* don't know what to do as only one scsi (fc) host was allocated */ |
1021 | if (portnum != 0) |
1022 | return; |
1023 | |
1024 | pp0 = &ioc->fc_port_page0[portnum]; |
1025 | sh = ioc->sh; |
1026 | |
1027 | sn = fc_host_symbolic_name(sh); |
1028 | snprintf(buf: sn, FC_SYMBOLIC_NAME_SIZE, fmt: "%s %s%08xh" , |
1029 | ioc->prod_name, |
1030 | MPT_FW_REV_MAGIC_ID_STRING, |
1031 | ioc->facts.FWVersion.Word); |
1032 | |
1033 | fc_host_tgtid_bind_type(sh) = FC_TGTID_BIND_BY_WWPN; |
1034 | |
1035 | fc_host_maxframe_size(sh) = pp0->MaxFrameSize; |
1036 | |
1037 | fc_host_node_name(sh) = |
1038 | (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low; |
1039 | |
1040 | fc_host_port_name(sh) = |
1041 | (u64)pp0->WWPN.High << 32 | (u64)pp0->WWPN.Low; |
1042 | |
1043 | fc_host_port_id(sh) = pp0->PortIdentifier; |
1044 | |
1045 | class = pp0->SupportedServiceClass; |
1046 | if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_1) |
1047 | cos |= FC_COS_CLASS1; |
1048 | if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_2) |
1049 | cos |= FC_COS_CLASS2; |
1050 | if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_3) |
1051 | cos |= FC_COS_CLASS3; |
1052 | fc_host_supported_classes(sh) = cos; |
1053 | |
1054 | if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT) |
1055 | speed = FC_PORTSPEED_1GBIT; |
1056 | else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT) |
1057 | speed = FC_PORTSPEED_2GBIT; |
1058 | else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT) |
1059 | speed = FC_PORTSPEED_4GBIT; |
1060 | else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_10GBIT) |
1061 | speed = FC_PORTSPEED_10GBIT; |
1062 | else |
1063 | speed = FC_PORTSPEED_UNKNOWN; |
1064 | fc_host_speed(sh) = speed; |
1065 | |
1066 | speed = 0; |
1067 | if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_1GBIT_SPEED) |
1068 | speed |= FC_PORTSPEED_1GBIT; |
1069 | if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_2GBIT_SPEED) |
1070 | speed |= FC_PORTSPEED_2GBIT; |
1071 | if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_4GBIT_SPEED) |
1072 | speed |= FC_PORTSPEED_4GBIT; |
1073 | if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_10GBIT_SPEED) |
1074 | speed |= FC_PORTSPEED_10GBIT; |
1075 | fc_host_supported_speeds(sh) = speed; |
1076 | |
1077 | port_state = FC_PORTSTATE_UNKNOWN; |
1078 | if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE) |
1079 | port_state = FC_PORTSTATE_ONLINE; |
1080 | else if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_OFFLINE) |
1081 | port_state = FC_PORTSTATE_LINKDOWN; |
1082 | fc_host_port_state(sh) = port_state; |
1083 | |
1084 | port_type = FC_PORTTYPE_UNKNOWN; |
1085 | if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_POINT_TO_POINT) |
1086 | port_type = FC_PORTTYPE_PTP; |
1087 | else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PRIVATE_LOOP) |
1088 | port_type = FC_PORTTYPE_LPORT; |
1089 | else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PUBLIC_LOOP) |
1090 | port_type = FC_PORTTYPE_NLPORT; |
1091 | else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_FABRIC_DIRECT) |
1092 | port_type = FC_PORTTYPE_NPORT; |
1093 | fc_host_port_type(sh) = port_type; |
1094 | |
1095 | fc_host_fabric_name(sh) = |
1096 | (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_FABRIC_WWN_VALID) ? |
1097 | (u64) pp0->FabricWWNN.High << 32 | (u64) pp0->FabricWWPN.Low : |
1098 | (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low; |
1099 | |
1100 | } |
1101 | |
1102 | static void |
1103 | mptfc_link_status_change(struct work_struct *work) |
1104 | { |
1105 | MPT_ADAPTER *ioc = |
1106 | container_of(work, MPT_ADAPTER, fc_rescan_work); |
1107 | int ii; |
1108 | |
1109 | for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) |
1110 | (void) mptfc_GetFcPortPage0(ioc, portnum: ii); |
1111 | |
1112 | } |
1113 | |
1114 | static void |
1115 | mptfc_setup_reset(struct work_struct *work) |
1116 | { |
1117 | MPT_ADAPTER *ioc = |
1118 | container_of(work, MPT_ADAPTER, fc_setup_reset_work); |
1119 | u64 pn; |
1120 | struct mptfc_rport_info *ri; |
1121 | struct scsi_target *starget; |
1122 | VirtTarget *vtarget; |
1123 | |
1124 | /* reset about to happen, delete (block) all rports */ |
1125 | list_for_each_entry(ri, &ioc->fc_rports, list) { |
1126 | if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) { |
1127 | ri->flags &= ~MPT_RPORT_INFO_FLAGS_REGISTERED; |
1128 | fc_remote_port_delete(rport: ri->rport); /* won't sleep */ |
1129 | ri->rport = NULL; |
1130 | starget = ri->starget; |
1131 | if (starget) { |
1132 | vtarget = starget->hostdata; |
1133 | if (vtarget) |
1134 | vtarget->deleted = 1; |
1135 | } |
1136 | |
1137 | pn = (u64)ri->pg0.WWPN.High << 32 | |
1138 | (u64)ri->pg0.WWPN.Low; |
1139 | dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT |
1140 | "mptfc_setup_reset.%d: %llx deleted\n" , |
1141 | ioc->name, |
1142 | ioc->sh->host_no, |
1143 | (unsigned long long)pn)); |
1144 | } |
1145 | } |
1146 | } |
1147 | |
1148 | static void |
1149 | mptfc_rescan_devices(struct work_struct *work) |
1150 | { |
1151 | MPT_ADAPTER *ioc = |
1152 | container_of(work, MPT_ADAPTER, fc_rescan_work); |
1153 | int ii; |
1154 | u64 pn; |
1155 | struct mptfc_rport_info *ri; |
1156 | struct scsi_target *starget; |
1157 | VirtTarget *vtarget; |
1158 | |
1159 | /* start by tagging all ports as missing */ |
1160 | list_for_each_entry(ri, &ioc->fc_rports, list) { |
1161 | if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) { |
1162 | ri->flags |= MPT_RPORT_INFO_FLAGS_MISSING; |
1163 | } |
1164 | } |
1165 | |
1166 | /* |
1167 | * now rescan devices known to adapter, |
1168 | * will reregister existing rports |
1169 | */ |
1170 | for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) { |
1171 | (void) mptfc_GetFcPortPage0(ioc, portnum: ii); |
1172 | mptfc_init_host_attr(ioc, portnum: ii); /* refresh */ |
1173 | mptfc_GetFcDevPage0(ioc, ioc_port: ii, func: mptfc_register_dev); |
1174 | } |
1175 | |
1176 | /* delete devices still missing */ |
1177 | list_for_each_entry(ri, &ioc->fc_rports, list) { |
1178 | /* if newly missing, delete it */ |
1179 | if (ri->flags & MPT_RPORT_INFO_FLAGS_MISSING) { |
1180 | |
1181 | ri->flags &= ~(MPT_RPORT_INFO_FLAGS_REGISTERED| |
1182 | MPT_RPORT_INFO_FLAGS_MISSING); |
1183 | fc_remote_port_delete(rport: ri->rport); /* won't sleep */ |
1184 | ri->rport = NULL; |
1185 | starget = ri->starget; |
1186 | if (starget) { |
1187 | vtarget = starget->hostdata; |
1188 | if (vtarget) |
1189 | vtarget->deleted = 1; |
1190 | } |
1191 | |
1192 | pn = (u64)ri->pg0.WWPN.High << 32 | |
1193 | (u64)ri->pg0.WWPN.Low; |
1194 | dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT |
1195 | "mptfc_rescan.%d: %llx deleted\n" , |
1196 | ioc->name, |
1197 | ioc->sh->host_no, |
1198 | (unsigned long long)pn)); |
1199 | } |
1200 | } |
1201 | } |
1202 | |
1203 | static int |
1204 | mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id) |
1205 | { |
1206 | struct Scsi_Host *sh; |
1207 | MPT_SCSI_HOST *hd; |
1208 | MPT_ADAPTER *ioc; |
1209 | unsigned long flags; |
1210 | int ii; |
1211 | int numSGE = 0; |
1212 | int scale; |
1213 | int ioc_cap; |
1214 | int error=0; |
1215 | int r; |
1216 | |
1217 | if ((r = mpt_attach(pdev,id)) != 0) |
1218 | return r; |
1219 | |
1220 | ioc = pci_get_drvdata(pdev); |
1221 | ioc->DoneCtx = mptfcDoneCtx; |
1222 | ioc->TaskCtx = mptfcTaskCtx; |
1223 | ioc->InternalCtx = mptfcInternalCtx; |
1224 | |
1225 | /* Added sanity check on readiness of the MPT adapter. |
1226 | */ |
1227 | if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) { |
1228 | printk(MYIOC_s_WARN_FMT |
1229 | "Skipping because it's not operational!\n" , |
1230 | ioc->name); |
1231 | error = -ENODEV; |
1232 | goto out_mptfc_probe; |
1233 | } |
1234 | |
1235 | if (!ioc->active) { |
1236 | printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n" , |
1237 | ioc->name); |
1238 | error = -ENODEV; |
1239 | goto out_mptfc_probe; |
1240 | } |
1241 | |
1242 | /* Sanity check - ensure at least 1 port is INITIATOR capable |
1243 | */ |
1244 | ioc_cap = 0; |
1245 | for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) { |
1246 | if (ioc->pfacts[ii].ProtocolFlags & |
1247 | MPI_PORTFACTS_PROTOCOL_INITIATOR) |
1248 | ioc_cap ++; |
1249 | } |
1250 | |
1251 | if (!ioc_cap) { |
1252 | printk(MYIOC_s_WARN_FMT |
1253 | "Skipping ioc=%p because SCSI Initiator mode is NOT enabled!\n" , |
1254 | ioc->name, ioc); |
1255 | return 0; |
1256 | } |
1257 | |
1258 | sh = scsi_host_alloc(&mptfc_driver_template, sizeof(MPT_SCSI_HOST)); |
1259 | |
1260 | if (!sh) { |
1261 | printk(MYIOC_s_WARN_FMT |
1262 | "Unable to register controller with SCSI subsystem\n" , |
1263 | ioc->name); |
1264 | error = -1; |
1265 | goto out_mptfc_probe; |
1266 | } |
1267 | |
1268 | spin_lock_init(&ioc->fc_rescan_work_lock); |
1269 | INIT_WORK(&ioc->fc_rescan_work, mptfc_rescan_devices); |
1270 | INIT_WORK(&ioc->fc_setup_reset_work, mptfc_setup_reset); |
1271 | INIT_WORK(&ioc->fc_lsc_work, mptfc_link_status_change); |
1272 | |
1273 | spin_lock_irqsave(&ioc->FreeQlock, flags); |
1274 | |
1275 | /* Attach the SCSI Host to the IOC structure |
1276 | */ |
1277 | ioc->sh = sh; |
1278 | |
1279 | sh->io_port = 0; |
1280 | sh->n_io_port = 0; |
1281 | sh->irq = 0; |
1282 | |
1283 | /* set 16 byte cdb's */ |
1284 | sh->max_cmd_len = 16; |
1285 | |
1286 | sh->max_id = ioc->pfacts->MaxDevices; |
1287 | sh->max_lun = max_lun; |
1288 | |
1289 | /* Required entry. |
1290 | */ |
1291 | sh->unique_id = ioc->id; |
1292 | |
1293 | /* Verify that we won't exceed the maximum |
1294 | * number of chain buffers |
1295 | * We can optimize: ZZ = req_sz/sizeof(SGE) |
1296 | * For 32bit SGE's: |
1297 | * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ |
1298 | * + (req_sz - 64)/sizeof(SGE) |
1299 | * A slightly different algorithm is required for |
1300 | * 64bit SGEs. |
1301 | */ |
1302 | scale = ioc->req_sz/ioc->SGE_size; |
1303 | if (ioc->sg_addr_size == sizeof(u64)) { |
1304 | numSGE = (scale - 1) * |
1305 | (ioc->facts.MaxChainDepth-1) + scale + |
1306 | (ioc->req_sz - 60) / ioc->SGE_size; |
1307 | } else { |
1308 | numSGE = 1 + (scale - 1) * |
1309 | (ioc->facts.MaxChainDepth-1) + scale + |
1310 | (ioc->req_sz - 64) / ioc->SGE_size; |
1311 | } |
1312 | |
1313 | if (numSGE < sh->sg_tablesize) { |
1314 | /* Reset this value */ |
1315 | dprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
1316 | "Resetting sg_tablesize to %d from %d\n" , |
1317 | ioc->name, numSGE, sh->sg_tablesize)); |
1318 | sh->sg_tablesize = numSGE; |
1319 | } |
1320 | |
1321 | spin_unlock_irqrestore(lock: &ioc->FreeQlock, flags); |
1322 | |
1323 | hd = shost_priv(shost: sh); |
1324 | hd->ioc = ioc; |
1325 | |
1326 | /* SCSI needs scsi_cmnd lookup table! |
1327 | * (with size equal to req_depth*PtrSz!) |
1328 | */ |
1329 | ioc->ScsiLookup = kcalloc(n: ioc->req_depth, size: sizeof(void *), GFP_KERNEL); |
1330 | if (!ioc->ScsiLookup) { |
1331 | error = -ENOMEM; |
1332 | goto out_mptfc_probe; |
1333 | } |
1334 | spin_lock_init(&ioc->scsi_lookup_lock); |
1335 | |
1336 | dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n" , |
1337 | ioc->name, ioc->ScsiLookup)); |
1338 | |
1339 | hd->last_queue_full = 0; |
1340 | |
1341 | sh->transportt = mptfc_transport_template; |
1342 | error = scsi_add_host (host: sh, dev: &ioc->pcidev->dev); |
1343 | if(error) { |
1344 | dprintk(ioc, printk(MYIOC_s_ERR_FMT |
1345 | "scsi_add_host failed\n" , ioc->name)); |
1346 | goto out_mptfc_probe; |
1347 | } |
1348 | |
1349 | /* initialize workqueue */ |
1350 | |
1351 | snprintf(buf: ioc->fc_rescan_work_q_name, size: sizeof(ioc->fc_rescan_work_q_name), |
1352 | fmt: "mptfc_wq_%d" , sh->host_no); |
1353 | ioc->fc_rescan_work_q = |
1354 | alloc_ordered_workqueue(ioc->fc_rescan_work_q_name, |
1355 | WQ_MEM_RECLAIM); |
1356 | if (!ioc->fc_rescan_work_q) { |
1357 | error = -ENOMEM; |
1358 | goto out_mptfc_host; |
1359 | } |
1360 | |
1361 | /* |
1362 | * Pre-fetch FC port WWN and stuff... |
1363 | * (FCPortPage0_t stuff) |
1364 | */ |
1365 | for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) { |
1366 | (void) mptfc_GetFcPortPage0(ioc, portnum: ii); |
1367 | } |
1368 | mptfc_SetFcPortPage1_defaults(ioc); |
1369 | |
1370 | /* |
1371 | * scan for rports - |
1372 | * by doing it via the workqueue, some locking is eliminated |
1373 | */ |
1374 | |
1375 | queue_work(wq: ioc->fc_rescan_work_q, work: &ioc->fc_rescan_work); |
1376 | flush_workqueue(ioc->fc_rescan_work_q); |
1377 | |
1378 | return 0; |
1379 | |
1380 | out_mptfc_host: |
1381 | scsi_remove_host(sh); |
1382 | |
1383 | out_mptfc_probe: |
1384 | |
1385 | mptscsih_remove(pdev); |
1386 | return error; |
1387 | } |
1388 | |
1389 | static struct pci_driver mptfc_driver = { |
1390 | .name = "mptfc" , |
1391 | .id_table = mptfc_pci_table, |
1392 | .probe = mptfc_probe, |
1393 | .remove = mptfc_remove, |
1394 | .shutdown = mptscsih_shutdown, |
1395 | #ifdef CONFIG_PM |
1396 | .suspend = mptscsih_suspend, |
1397 | .resume = mptscsih_resume, |
1398 | #endif |
1399 | }; |
1400 | |
1401 | static int |
1402 | mptfc_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) |
1403 | { |
1404 | u8 event = le32_to_cpu(pEvReply->Event) & 0xFF; |
1405 | unsigned long flags; |
1406 | int rc=1; |
1407 | |
1408 | if (ioc->bus_type != FC) |
1409 | return 0; |
1410 | |
1411 | devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n" , |
1412 | ioc->name, event)); |
1413 | |
1414 | if (ioc->sh == NULL || shost_priv(shost: ioc->sh) == NULL) |
1415 | return 1; |
1416 | |
1417 | switch (event) { |
1418 | case MPI_EVENT_RESCAN: |
1419 | spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); |
1420 | if (ioc->fc_rescan_work_q) { |
1421 | queue_work(wq: ioc->fc_rescan_work_q, |
1422 | work: &ioc->fc_rescan_work); |
1423 | } |
1424 | spin_unlock_irqrestore(lock: &ioc->fc_rescan_work_lock, flags); |
1425 | break; |
1426 | case MPI_EVENT_LINK_STATUS_CHANGE: |
1427 | spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); |
1428 | if (ioc->fc_rescan_work_q) { |
1429 | queue_work(wq: ioc->fc_rescan_work_q, |
1430 | work: &ioc->fc_lsc_work); |
1431 | } |
1432 | spin_unlock_irqrestore(lock: &ioc->fc_rescan_work_lock, flags); |
1433 | break; |
1434 | default: |
1435 | rc = mptscsih_event_process(ioc,pEvReply); |
1436 | break; |
1437 | } |
1438 | return rc; |
1439 | } |
1440 | |
1441 | static int |
1442 | mptfc_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) |
1443 | { |
1444 | int rc; |
1445 | unsigned long flags; |
1446 | |
1447 | rc = mptscsih_ioc_reset(ioc,post_reset: reset_phase); |
1448 | if ((ioc->bus_type != FC) || (!rc)) |
1449 | return rc; |
1450 | |
1451 | |
1452 | dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
1453 | ": IOC %s_reset routed to FC host driver!\n" ,ioc->name, |
1454 | reset_phase==MPT_IOC_SETUP_RESET ? "setup" : ( |
1455 | reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post" ))); |
1456 | |
1457 | if (reset_phase == MPT_IOC_SETUP_RESET) { |
1458 | spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); |
1459 | if (ioc->fc_rescan_work_q) { |
1460 | queue_work(wq: ioc->fc_rescan_work_q, |
1461 | work: &ioc->fc_setup_reset_work); |
1462 | } |
1463 | spin_unlock_irqrestore(lock: &ioc->fc_rescan_work_lock, flags); |
1464 | } |
1465 | |
1466 | else if (reset_phase == MPT_IOC_PRE_RESET) { |
1467 | } |
1468 | |
1469 | else { /* MPT_IOC_POST_RESET */ |
1470 | mptfc_SetFcPortPage1_defaults(ioc); |
1471 | spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); |
1472 | if (ioc->fc_rescan_work_q) { |
1473 | queue_work(wq: ioc->fc_rescan_work_q, |
1474 | work: &ioc->fc_rescan_work); |
1475 | } |
1476 | spin_unlock_irqrestore(lock: &ioc->fc_rescan_work_lock, flags); |
1477 | } |
1478 | return 1; |
1479 | } |
1480 | |
1481 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
1482 | /** |
1483 | * mptfc_init - Register MPT adapter(s) as SCSI host(s) with SCSI mid-layer. |
1484 | * |
1485 | * Returns 0 for success, non-zero for failure. |
1486 | */ |
1487 | static int __init |
1488 | mptfc_init(void) |
1489 | { |
1490 | int error; |
1491 | |
1492 | show_mptmod_ver(my_NAME, my_VERSION); |
1493 | |
1494 | /* sanity check module parameters */ |
1495 | if (mptfc_dev_loss_tmo <= 0) |
1496 | mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO; |
1497 | |
1498 | mptfc_transport_template = |
1499 | fc_attach_transport(&mptfc_transport_functions); |
1500 | |
1501 | if (!mptfc_transport_template) |
1502 | return -ENODEV; |
1503 | |
1504 | mptfcDoneCtx = mpt_register(cbfunc: mptscsih_io_done, dclass: MPTFC_DRIVER, |
1505 | func_name: "mptscsih_scandv_complete" ); |
1506 | mptfcTaskCtx = mpt_register(cbfunc: mptscsih_taskmgmt_complete, dclass: MPTFC_DRIVER, |
1507 | func_name: "mptscsih_scandv_complete" ); |
1508 | mptfcInternalCtx = mpt_register(cbfunc: mptscsih_scandv_complete, dclass: MPTFC_DRIVER, |
1509 | func_name: "mptscsih_scandv_complete" ); |
1510 | |
1511 | mpt_event_register(cb_idx: mptfcDoneCtx, ev_cbfunc: mptfc_event_process); |
1512 | mpt_reset_register(cb_idx: mptfcDoneCtx, reset_func: mptfc_ioc_reset); |
1513 | |
1514 | error = pci_register_driver(&mptfc_driver); |
1515 | if (error) |
1516 | fc_release_transport(mptfc_transport_template); |
1517 | |
1518 | return error; |
1519 | } |
1520 | |
1521 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
1522 | /** |
1523 | * mptfc_remove - Remove fc infrastructure for devices |
1524 | * @pdev: Pointer to pci_dev structure |
1525 | * |
1526 | */ |
1527 | static void mptfc_remove(struct pci_dev *pdev) |
1528 | { |
1529 | MPT_ADAPTER *ioc = pci_get_drvdata(pdev); |
1530 | struct mptfc_rport_info *p, *n; |
1531 | struct workqueue_struct *work_q; |
1532 | unsigned long flags; |
1533 | int ii; |
1534 | |
1535 | /* destroy workqueue */ |
1536 | if ((work_q=ioc->fc_rescan_work_q)) { |
1537 | spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); |
1538 | ioc->fc_rescan_work_q = NULL; |
1539 | spin_unlock_irqrestore(lock: &ioc->fc_rescan_work_lock, flags); |
1540 | destroy_workqueue(wq: work_q); |
1541 | } |
1542 | |
1543 | fc_remove_host(ioc->sh); |
1544 | |
1545 | list_for_each_entry_safe(p, n, &ioc->fc_rports, list) { |
1546 | list_del(entry: &p->list); |
1547 | kfree(objp: p); |
1548 | } |
1549 | |
1550 | for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) { |
1551 | if (ioc->fc_data.fc_port_page1[ii].data) { |
1552 | dma_free_coherent(dev: &ioc->pcidev->dev, |
1553 | size: ioc->fc_data.fc_port_page1[ii].pg_sz, |
1554 | cpu_addr: ioc->fc_data.fc_port_page1[ii].data, |
1555 | dma_handle: ioc->fc_data.fc_port_page1[ii].dma); |
1556 | ioc->fc_data.fc_port_page1[ii].data = NULL; |
1557 | } |
1558 | } |
1559 | |
1560 | scsi_remove_host(ioc->sh); |
1561 | |
1562 | mptscsih_remove(pdev); |
1563 | } |
1564 | |
1565 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
1566 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
1567 | /** |
1568 | * mptfc_exit - Unregisters MPT adapter(s) |
1569 | * |
1570 | */ |
1571 | static void __exit |
1572 | mptfc_exit(void) |
1573 | { |
1574 | pci_unregister_driver(dev: &mptfc_driver); |
1575 | fc_release_transport(mptfc_transport_template); |
1576 | |
1577 | mpt_reset_deregister(cb_idx: mptfcDoneCtx); |
1578 | mpt_event_deregister(cb_idx: mptfcDoneCtx); |
1579 | |
1580 | mpt_deregister(cb_idx: mptfcInternalCtx); |
1581 | mpt_deregister(cb_idx: mptfcTaskCtx); |
1582 | mpt_deregister(cb_idx: mptfcDoneCtx); |
1583 | } |
1584 | |
1585 | module_init(mptfc_init); |
1586 | module_exit(mptfc_exit); |
1587 | |