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2496af39 MED |
1 | /* |
2 | * linux/drivers/message/fusion/mptfc.c | |
3 | * For use with LSI Logic PCI chip/adapter(s) | |
4 | * running LSI Logic Fusion MPT (Message Passing Technology) firmware. | |
5 | * | |
6 | * Copyright (c) 1999-2005 LSI Logic Corporation | |
7 | * (mailto:mpt_linux_developer@lsil.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_compat.h" /* linux-2.6 tweaks */ | |
47 | #include <linux/module.h> | |
48 | #include <linux/kernel.h> | |
49 | #include <linux/init.h> | |
50 | #include <linux/errno.h> | |
51 | #include <linux/kdev_t.h> | |
52 | #include <linux/blkdev.h> | |
53 | #include <linux/delay.h> /* for mdelay */ | |
54 | #include <linux/interrupt.h> /* needed for in_interrupt() proto */ | |
55 | #include <linux/reboot.h> /* notifier code */ | |
56 | #include <linux/sched.h> | |
57 | #include <linux/workqueue.h> | |
05e8ec17 | 58 | #include <linux/sort.h> |
2496af39 MED |
59 | |
60 | #include <scsi/scsi.h> | |
61 | #include <scsi/scsi_cmnd.h> | |
62 | #include <scsi/scsi_device.h> | |
63 | #include <scsi/scsi_host.h> | |
64 | #include <scsi/scsi_tcq.h> | |
05e8ec17 | 65 | #include <scsi/scsi_transport_fc.h> |
2496af39 MED |
66 | |
67 | #include "mptbase.h" | |
68 | #include "mptscsih.h" | |
69 | ||
70 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
71 | #define my_NAME "Fusion MPT FC Host driver" | |
72 | #define my_VERSION MPT_LINUX_VERSION_COMMON | |
73 | #define MYNAM "mptfc" | |
74 | ||
75 | MODULE_AUTHOR(MODULEAUTHOR); | |
76 | MODULE_DESCRIPTION(my_NAME); | |
77 | MODULE_LICENSE("GPL"); | |
78 | ||
79 | /* Command line args */ | |
80 | static int mpt_pq_filter = 0; | |
81 | module_param(mpt_pq_filter, int, 0); | |
82 | MODULE_PARM_DESC(mpt_pq_filter, " Enable peripheral qualifier filter: enable=1 (default=0)"); | |
83 | ||
05e8ec17 MR |
84 | #define MPTFC_DEV_LOSS_TMO (60) |
85 | static int mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO; /* reasonable default */ | |
86 | module_param(mptfc_dev_loss_tmo, int, 0); | |
87 | MODULE_PARM_DESC(mptfc_dev_loss_tmo, " Initial time the driver programs the " | |
88 | " transport to wait for an rport to " | |
89 | " return following a device loss event." | |
90 | " Default=60."); | |
91 | ||
2496af39 MED |
92 | static int mptfcDoneCtx = -1; |
93 | static int mptfcTaskCtx = -1; | |
94 | static int mptfcInternalCtx = -1; /* Used only for internal commands */ | |
95 | ||
3bc7bf1d MR |
96 | static int mptfc_target_alloc(struct scsi_target *starget); |
97 | static int mptfc_slave_alloc(struct scsi_device *sdev); | |
05e8ec17 | 98 | static int mptfc_qcmd(struct scsi_cmnd *SCpnt, |
3bc7bf1d MR |
99 | void (*done)(struct scsi_cmnd *)); |
100 | static void mptfc_target_destroy(struct scsi_target *starget); | |
05e8ec17 MR |
101 | static void mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout); |
102 | static void __devexit mptfc_remove(struct pci_dev *pdev); | |
103 | ||
2496af39 | 104 | static struct scsi_host_template mptfc_driver_template = { |
f78496da | 105 | .module = THIS_MODULE, |
2496af39 MED |
106 | .proc_name = "mptfc", |
107 | .proc_info = mptscsih_proc_info, | |
108 | .name = "MPT FC Host", | |
109 | .info = mptscsih_info, | |
05e8ec17 | 110 | .queuecommand = mptfc_qcmd, |
3bc7bf1d | 111 | .target_alloc = mptfc_target_alloc, |
05e8ec17 | 112 | .slave_alloc = mptfc_slave_alloc, |
2496af39 | 113 | .slave_configure = mptscsih_slave_configure, |
3bc7bf1d | 114 | .target_destroy = mptfc_target_destroy, |
2496af39 | 115 | .slave_destroy = mptscsih_slave_destroy, |
6e3815ba | 116 | .change_queue_depth = mptscsih_change_queue_depth, |
2496af39 MED |
117 | .eh_abort_handler = mptscsih_abort, |
118 | .eh_device_reset_handler = mptscsih_dev_reset, | |
119 | .eh_bus_reset_handler = mptscsih_bus_reset, | |
120 | .eh_host_reset_handler = mptscsih_host_reset, | |
121 | .bios_param = mptscsih_bios_param, | |
122 | .can_queue = MPT_FC_CAN_QUEUE, | |
123 | .this_id = -1, | |
124 | .sg_tablesize = MPT_SCSI_SG_DEPTH, | |
125 | .max_sectors = 8192, | |
126 | .cmd_per_lun = 7, | |
127 | .use_clustering = ENABLE_CLUSTERING, | |
2496af39 MED |
128 | }; |
129 | ||
130 | /**************************************************************************** | |
131 | * Supported hardware | |
132 | */ | |
133 | ||
134 | static struct pci_device_id mptfc_pci_table[] = { | |
135 | { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_FC909, | |
136 | PCI_ANY_ID, PCI_ANY_ID }, | |
137 | { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_FC919, | |
138 | PCI_ANY_ID, PCI_ANY_ID }, | |
139 | { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_FC929, | |
140 | PCI_ANY_ID, PCI_ANY_ID }, | |
141 | { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_FC919X, | |
142 | PCI_ANY_ID, PCI_ANY_ID }, | |
143 | { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_FC929X, | |
144 | PCI_ANY_ID, PCI_ANY_ID }, | |
3fadc59d MED |
145 | { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_FC939X, |
146 | PCI_ANY_ID, PCI_ANY_ID }, | |
147 | { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_FC949X, | |
148 | PCI_ANY_ID, PCI_ANY_ID }, | |
6d5b0c31 ME |
149 | { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_FC949ES, |
150 | PCI_ANY_ID, PCI_ANY_ID }, | |
2496af39 MED |
151 | {0} /* Terminating entry */ |
152 | }; | |
153 | MODULE_DEVICE_TABLE(pci, mptfc_pci_table); | |
154 | ||
05e8ec17 MR |
155 | static struct scsi_transport_template *mptfc_transport_template = NULL; |
156 | ||
03fbcbcd | 157 | static struct fc_function_template mptfc_transport_functions = { |
05e8ec17 MR |
158 | .dd_fcrport_size = 8, |
159 | .show_host_node_name = 1, | |
160 | .show_host_port_name = 1, | |
161 | .show_host_supported_classes = 1, | |
162 | .show_host_port_id = 1, | |
163 | .show_rport_supported_classes = 1, | |
164 | .show_starget_node_name = 1, | |
165 | .show_starget_port_name = 1, | |
166 | .show_starget_port_id = 1, | |
167 | .set_rport_dev_loss_tmo = mptfc_set_rport_loss_tmo, | |
168 | .show_rport_dev_loss_tmo = 1, | |
169 | ||
170 | }; | |
171 | ||
172 | /* FIXME! values controlling firmware RESCAN event | |
173 | * need to be set low to allow dev_loss_tmo to | |
174 | * work as expected. Currently, firmware doesn't | |
175 | * notify driver of RESCAN event until some number | |
176 | * of seconds elapse. This value can be set via | |
177 | * lsiutil. | |
178 | */ | |
179 | static void | |
180 | mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) | |
181 | { | |
182 | if (timeout > 0) | |
183 | rport->dev_loss_tmo = timeout; | |
184 | else | |
185 | rport->dev_loss_tmo = mptfc_dev_loss_tmo; | |
186 | } | |
187 | ||
188 | static int | |
189 | mptfc_FcDevPage0_cmp_func(const void *a, const void *b) | |
190 | { | |
191 | FCDevicePage0_t **aa = (FCDevicePage0_t **)a; | |
192 | FCDevicePage0_t **bb = (FCDevicePage0_t **)b; | |
193 | ||
194 | if ((*aa)->CurrentBus == (*bb)->CurrentBus) { | |
195 | if ((*aa)->CurrentTargetID == (*bb)->CurrentTargetID) | |
196 | return 0; | |
197 | if ((*aa)->CurrentTargetID < (*bb)->CurrentTargetID) | |
198 | return -1; | |
199 | return 1; | |
200 | } | |
201 | if ((*aa)->CurrentBus < (*bb)->CurrentBus) | |
202 | return -1; | |
203 | return 1; | |
204 | } | |
205 | ||
206 | static int | |
207 | mptfc_GetFcDevPage0(MPT_ADAPTER *ioc, int ioc_port, | |
208 | void(*func)(MPT_ADAPTER *ioc,int channel, FCDevicePage0_t *arg)) | |
209 | { | |
210 | ConfigPageHeader_t hdr; | |
211 | CONFIGPARMS cfg; | |
212 | FCDevicePage0_t *ppage0_alloc, *fc; | |
213 | dma_addr_t page0_dma; | |
214 | int data_sz; | |
215 | int ii; | |
216 | ||
217 | FCDevicePage0_t *p0_array=NULL, *p_p0; | |
218 | FCDevicePage0_t **pp0_array=NULL, **p_pp0; | |
219 | ||
220 | int rc = -ENOMEM; | |
221 | U32 port_id = 0xffffff; | |
222 | int num_targ = 0; | |
223 | int max_bus = ioc->facts.MaxBuses; | |
224 | int max_targ = ioc->facts.MaxDevices; | |
225 | ||
226 | if (max_bus == 0 || max_targ == 0) | |
227 | goto out; | |
228 | ||
229 | data_sz = sizeof(FCDevicePage0_t) * max_bus * max_targ; | |
230 | p_p0 = p0_array = kzalloc(data_sz, GFP_KERNEL); | |
231 | if (!p0_array) | |
232 | goto out; | |
233 | ||
234 | data_sz = sizeof(FCDevicePage0_t *) * max_bus * max_targ; | |
235 | p_pp0 = pp0_array = kzalloc(data_sz, GFP_KERNEL); | |
236 | if (!pp0_array) | |
237 | goto out; | |
238 | ||
239 | do { | |
240 | /* Get FC Device Page 0 header */ | |
241 | hdr.PageVersion = 0; | |
242 | hdr.PageLength = 0; | |
243 | hdr.PageNumber = 0; | |
244 | hdr.PageType = MPI_CONFIG_PAGETYPE_FC_DEVICE; | |
245 | cfg.cfghdr.hdr = &hdr; | |
246 | cfg.physAddr = -1; | |
247 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | |
248 | cfg.dir = 0; | |
249 | cfg.pageAddr = port_id; | |
250 | cfg.timeout = 0; | |
251 | ||
252 | if ((rc = mpt_config(ioc, &cfg)) != 0) | |
253 | break; | |
254 | ||
255 | if (hdr.PageLength <= 0) | |
256 | break; | |
257 | ||
258 | data_sz = hdr.PageLength * 4; | |
259 | ppage0_alloc = pci_alloc_consistent(ioc->pcidev, data_sz, | |
260 | &page0_dma); | |
261 | rc = -ENOMEM; | |
262 | if (!ppage0_alloc) | |
263 | break; | |
264 | ||
265 | cfg.physAddr = page0_dma; | |
266 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | |
267 | ||
268 | if ((rc = mpt_config(ioc, &cfg)) == 0) { | |
269 | ppage0_alloc->PortIdentifier = | |
270 | le32_to_cpu(ppage0_alloc->PortIdentifier); | |
271 | ||
272 | ppage0_alloc->WWNN.Low = | |
273 | le32_to_cpu(ppage0_alloc->WWNN.Low); | |
274 | ||
275 | ppage0_alloc->WWNN.High = | |
276 | le32_to_cpu(ppage0_alloc->WWNN.High); | |
277 | ||
278 | ppage0_alloc->WWPN.Low = | |
279 | le32_to_cpu(ppage0_alloc->WWPN.Low); | |
280 | ||
281 | ppage0_alloc->WWPN.High = | |
282 | le32_to_cpu(ppage0_alloc->WWPN.High); | |
283 | ||
284 | ppage0_alloc->BBCredit = | |
285 | le16_to_cpu(ppage0_alloc->BBCredit); | |
286 | ||
287 | ppage0_alloc->MaxRxFrameSize = | |
288 | le16_to_cpu(ppage0_alloc->MaxRxFrameSize); | |
289 | ||
290 | port_id = ppage0_alloc->PortIdentifier; | |
291 | num_targ++; | |
292 | *p_p0 = *ppage0_alloc; /* save data */ | |
293 | *p_pp0++ = p_p0++; /* save addr */ | |
294 | } | |
295 | pci_free_consistent(ioc->pcidev, data_sz, | |
296 | (u8 *) ppage0_alloc, page0_dma); | |
297 | if (rc != 0) | |
298 | break; | |
299 | ||
300 | } while (port_id <= 0xff0000); | |
301 | ||
302 | if (num_targ) { | |
303 | /* sort array */ | |
304 | if (num_targ > 1) | |
305 | sort (pp0_array, num_targ, sizeof(FCDevicePage0_t *), | |
306 | mptfc_FcDevPage0_cmp_func, NULL); | |
307 | /* call caller's func for each targ */ | |
308 | for (ii = 0; ii < num_targ; ii++) { | |
309 | fc = *(pp0_array+ii); | |
310 | func(ioc, ioc_port, fc); | |
311 | } | |
312 | } | |
313 | ||
314 | out: | |
315 | if (pp0_array) | |
316 | kfree(pp0_array); | |
317 | if (p0_array) | |
318 | kfree(p0_array); | |
319 | return rc; | |
320 | } | |
321 | ||
322 | static int | |
323 | mptfc_generate_rport_ids(FCDevicePage0_t *pg0, struct fc_rport_identifiers *rid) | |
324 | { | |
325 | /* not currently usable */ | |
326 | if (pg0->Flags & (MPI_FC_DEVICE_PAGE0_FLAGS_PLOGI_INVALID | | |
327 | MPI_FC_DEVICE_PAGE0_FLAGS_PRLI_INVALID)) | |
328 | return -1; | |
329 | ||
330 | if (!(pg0->Flags & MPI_FC_DEVICE_PAGE0_FLAGS_TARGETID_BUS_VALID)) | |
331 | return -1; | |
332 | ||
333 | if (!(pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_TARGET)) | |
334 | return -1; | |
335 | ||
336 | /* | |
337 | * board data structure already normalized to platform endianness | |
338 | * shifted to avoid unaligned access on 64 bit architecture | |
339 | */ | |
340 | rid->node_name = ((u64)pg0->WWNN.High) << 32 | (u64)pg0->WWNN.Low; | |
341 | rid->port_name = ((u64)pg0->WWPN.High) << 32 | (u64)pg0->WWPN.Low; | |
342 | rid->port_id = pg0->PortIdentifier; | |
343 | rid->roles = FC_RPORT_ROLE_UNKNOWN; | |
344 | rid->roles |= FC_RPORT_ROLE_FCP_TARGET; | |
345 | if (pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_INITIATOR) | |
346 | rid->roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
347 | ||
348 | return 0; | |
349 | } | |
350 | ||
351 | static void | |
352 | mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0) | |
353 | { | |
354 | struct fc_rport_identifiers rport_ids; | |
355 | struct fc_rport *rport; | |
356 | struct mptfc_rport_info *ri; | |
3bc7bf1d | 357 | int new_ri = 1; |
65207fed | 358 | u64 pn, nn; |
3bc7bf1d | 359 | VirtTarget *vtarget; |
05e8ec17 MR |
360 | |
361 | if (mptfc_generate_rport_ids(pg0, &rport_ids) < 0) | |
362 | return; | |
363 | ||
364 | /* scan list looking for a match */ | |
05e8ec17 | 365 | list_for_each_entry(ri, &ioc->fc_rports, list) { |
3bc7bf1d MR |
366 | pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low; |
367 | if (pn == rport_ids.port_name) { /* match */ | |
05e8ec17 | 368 | list_move_tail(&ri->list, &ioc->fc_rports); |
3bc7bf1d | 369 | new_ri = 0; |
05e8ec17 MR |
370 | break; |
371 | } | |
372 | } | |
3bc7bf1d | 373 | if (new_ri) { /* allocate one */ |
05e8ec17 MR |
374 | ri = kzalloc(sizeof(struct mptfc_rport_info), GFP_KERNEL); |
375 | if (!ri) | |
376 | return; | |
05e8ec17 MR |
377 | list_add_tail(&ri->list, &ioc->fc_rports); |
378 | } | |
379 | ||
380 | ri->pg0 = *pg0; /* add/update pg0 data */ | |
381 | ri->flags &= ~MPT_RPORT_INFO_FLAGS_MISSING; | |
382 | ||
3bc7bf1d | 383 | /* MPT_RPORT_INFO_FLAGS_REGISTERED - rport not previously deleted */ |
05e8ec17 MR |
384 | if (!(ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED)) { |
385 | ri->flags |= MPT_RPORT_INFO_FLAGS_REGISTERED; | |
3bc7bf1d | 386 | rport = fc_remote_port_add(ioc->sh, channel, &rport_ids); |
05e8ec17 | 387 | if (rport) { |
3bc7bf1d MR |
388 | ri->rport = rport; |
389 | if (new_ri) /* may have been reset by user */ | |
390 | rport->dev_loss_tmo = mptfc_dev_loss_tmo; | |
05e8ec17 MR |
391 | /* |
392 | * if already mapped, remap here. If not mapped, | |
3bc7bf1d MR |
393 | * target_alloc will allocate vtarget and map, |
394 | * slave_alloc will fill in vdev from vtarget. | |
05e8ec17 | 395 | */ |
3bc7bf1d MR |
396 | if (ri->starget) { |
397 | vtarget = ri->starget->hostdata; | |
398 | if (vtarget) { | |
399 | vtarget->target_id = pg0->CurrentTargetID; | |
400 | vtarget->bus_id = pg0->CurrentBus; | |
3bc7bf1d | 401 | } |
05e8ec17 | 402 | } |
65207fed ME |
403 | /* once dd_data is filled in, commands will issue to hardware */ |
404 | *((struct mptfc_rport_info **)rport->dd_data) = ri; | |
405 | ||
406 | pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low; | |
407 | nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low; | |
3bc7bf1d MR |
408 | dfcprintk ((MYIOC_s_INFO_FMT |
409 | "mptfc_reg_dev.%d: %x, %llx / %llx, tid %d, " | |
05e8ec17 | 410 | "rport tid %d, tmo %d\n", |
3bc7bf1d | 411 | ioc->name, |
914c2d8e | 412 | ioc->sh->host_no, |
05e8ec17 | 413 | pg0->PortIdentifier, |
65207fed ME |
414 | (unsigned long long)nn, |
415 | (unsigned long long)pn, | |
05e8ec17 MR |
416 | pg0->CurrentTargetID, |
417 | ri->rport->scsi_target_id, | |
3bc7bf1d | 418 | ri->rport->dev_loss_tmo)); |
05e8ec17 MR |
419 | } else { |
420 | list_del(&ri->list); | |
421 | kfree(ri); | |
422 | ri = NULL; | |
423 | } | |
424 | } | |
05e8ec17 MR |
425 | } |
426 | ||
3bc7bf1d MR |
427 | /* |
428 | * OS entry point to allow for host driver to free allocated memory | |
429 | * Called if no device present or device being unloaded | |
430 | */ | |
431 | static void | |
432 | mptfc_target_destroy(struct scsi_target *starget) | |
433 | { | |
434 | struct fc_rport *rport; | |
435 | struct mptfc_rport_info *ri; | |
436 | ||
437 | rport = starget_to_rport(starget); | |
438 | if (rport) { | |
439 | ri = *((struct mptfc_rport_info **)rport->dd_data); | |
440 | if (ri) /* better be! */ | |
441 | ri->starget = NULL; | |
442 | } | |
443 | if (starget->hostdata) | |
444 | kfree(starget->hostdata); | |
445 | starget->hostdata = NULL; | |
446 | } | |
447 | ||
448 | /* | |
449 | * OS entry point to allow host driver to alloc memory | |
450 | * for each scsi target. Called once per device the bus scan. | |
451 | * Return non-zero if allocation fails. | |
452 | */ | |
453 | static int | |
454 | mptfc_target_alloc(struct scsi_target *starget) | |
455 | { | |
456 | VirtTarget *vtarget; | |
457 | struct fc_rport *rport; | |
458 | struct mptfc_rport_info *ri; | |
459 | int rc; | |
460 | ||
461 | vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL); | |
462 | if (!vtarget) | |
463 | return -ENOMEM; | |
464 | starget->hostdata = vtarget; | |
465 | ||
466 | rc = -ENODEV; | |
467 | rport = starget_to_rport(starget); | |
468 | if (rport) { | |
469 | ri = *((struct mptfc_rport_info **)rport->dd_data); | |
470 | if (ri) { /* better be! */ | |
471 | vtarget->target_id = ri->pg0.CurrentTargetID; | |
472 | vtarget->bus_id = ri->pg0.CurrentBus; | |
473 | ri->starget = starget; | |
3bc7bf1d MR |
474 | rc = 0; |
475 | } | |
476 | } | |
477 | if (rc != 0) { | |
478 | kfree(vtarget); | |
479 | starget->hostdata = NULL; | |
480 | } | |
481 | ||
482 | return rc; | |
483 | } | |
484 | ||
2496af39 | 485 | /* |
05e8ec17 MR |
486 | * OS entry point to allow host driver to alloc memory |
487 | * for each scsi device. Called once per device the bus scan. | |
488 | * Return non-zero if allocation fails. | |
489 | * Init memory once per LUN. | |
2496af39 | 490 | */ |
03fbcbcd | 491 | static int |
05e8ec17 MR |
492 | mptfc_slave_alloc(struct scsi_device *sdev) |
493 | { | |
494 | MPT_SCSI_HOST *hd; | |
495 | VirtTarget *vtarget; | |
496 | VirtDevice *vdev; | |
497 | struct scsi_target *starget; | |
498 | struct fc_rport *rport; | |
05e8ec17 MR |
499 | |
500 | ||
65207fed ME |
501 | starget = scsi_target(sdev); |
502 | rport = starget_to_rport(starget); | |
05e8ec17 MR |
503 | |
504 | if (!rport || fc_remote_port_chkready(rport)) | |
505 | return -ENXIO; | |
506 | ||
507 | hd = (MPT_SCSI_HOST *)sdev->host->hostdata; | |
508 | ||
3bc7bf1d | 509 | vdev = kzalloc(sizeof(VirtDevice), GFP_KERNEL); |
05e8ec17 MR |
510 | if (!vdev) { |
511 | printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n", | |
512 | hd->ioc->name, sizeof(VirtDevice)); | |
513 | return -ENOMEM; | |
514 | } | |
05e8ec17 | 515 | |
05e8ec17 | 516 | |
05e8ec17 | 517 | sdev->hostdata = vdev; |
05e8ec17 | 518 | vtarget = starget->hostdata; |
3bc7bf1d | 519 | |
05e8ec17 | 520 | if (vtarget->num_luns == 0) { |
3bc7bf1d | 521 | vtarget->ioc_id = hd->ioc->id; |
05e8ec17 MR |
522 | vtarget->tflags = MPT_TARGET_FLAGS_Q_YES | |
523 | MPT_TARGET_FLAGS_VALID_INQUIRY; | |
524 | hd->Targets[sdev->id] = vtarget; | |
525 | } | |
526 | ||
05e8ec17 | 527 | vdev->vtarget = vtarget; |
05e8ec17 | 528 | vdev->lun = sdev->lun; |
05e8ec17 | 529 | |
05e8ec17 MR |
530 | vtarget->num_luns++; |
531 | ||
65207fed | 532 | |
914c2d8e | 533 | #ifdef DMPT_DEBUG_FC |
65207fed ME |
534 | { |
535 | u64 nn, pn; | |
914c2d8e ME |
536 | struct mptfc_rport_info *ri; |
537 | ri = *((struct mptfc_rport_info **)rport->dd_data); | |
65207fed ME |
538 | pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low; |
539 | nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low; | |
3bc7bf1d MR |
540 | dfcprintk ((MYIOC_s_INFO_FMT |
541 | "mptfc_slv_alloc.%d: num_luns %d, sdev.id %d, " | |
05e8ec17 | 542 | "CurrentTargetID %d, %x %llx %llx\n", |
914c2d8e | 543 | hd->ioc->name, |
3bc7bf1d MR |
544 | sdev->host->host_no, |
545 | vtarget->num_luns, | |
546 | sdev->id, ri->pg0.CurrentTargetID, | |
65207fed ME |
547 | ri->pg0.PortIdentifier, |
548 | (unsigned long long)pn, | |
549 | (unsigned long long)nn)); | |
914c2d8e ME |
550 | } |
551 | #endif | |
05e8ec17 MR |
552 | |
553 | return 0; | |
554 | } | |
555 | ||
556 | static int | |
557 | mptfc_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) | |
558 | { | |
3bc7bf1d | 559 | struct mptfc_rport_info *ri; |
05e8ec17 MR |
560 | struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device)); |
561 | int err; | |
562 | ||
563 | err = fc_remote_port_chkready(rport); | |
564 | if (unlikely(err)) { | |
565 | SCpnt->result = err; | |
566 | done(SCpnt); | |
567 | return 0; | |
568 | } | |
65207fed ME |
569 | |
570 | /* dd_data is null until finished adding target */ | |
3bc7bf1d | 571 | ri = *((struct mptfc_rport_info **)rport->dd_data); |
65207fed ME |
572 | if (unlikely(!ri)) { |
573 | dfcprintk ((MYIOC_s_INFO_FMT | |
574 | "mptfc_qcmd.%d: %d:%d, dd_data is null.\n", | |
575 | ((MPT_SCSI_HOST *) SCpnt->device->host->hostdata)->ioc->name, | |
576 | ((MPT_SCSI_HOST *) SCpnt->device->host->hostdata)->ioc->sh->host_no, | |
577 | SCpnt->device->id,SCpnt->device->lun)); | |
578 | SCpnt->result = DID_IMM_RETRY << 16; | |
579 | done(SCpnt); | |
580 | return 0; | |
581 | } | |
3bc7bf1d | 582 | |
65207fed ME |
583 | err = mptscsih_qcmd(SCpnt,done); |
584 | #ifdef DMPT_DEBUG_FC | |
585 | if (unlikely(err)) { | |
586 | dfcprintk ((MYIOC_s_INFO_FMT | |
587 | "mptfc_qcmd.%d: %d:%d, mptscsih_qcmd returns non-zero.\n", | |
588 | ((MPT_SCSI_HOST *) SCpnt->device->host->hostdata)->ioc->name, | |
589 | ((MPT_SCSI_HOST *) SCpnt->device->host->hostdata)->ioc->sh->host_no, | |
590 | SCpnt->device->id,SCpnt->device->lun)); | |
591 | } | |
592 | #endif | |
593 | return err; | |
05e8ec17 MR |
594 | } |
595 | ||
596 | static void | |
597 | mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum) | |
598 | { | |
599 | unsigned class = 0, cos = 0; | |
600 | ||
601 | /* don't know what to do as only one scsi (fc) host was allocated */ | |
602 | if (portnum != 0) | |
603 | return; | |
604 | ||
605 | class = ioc->fc_port_page0[portnum].SupportedServiceClass; | |
606 | if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_1) | |
607 | cos |= FC_COS_CLASS1; | |
608 | if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_2) | |
609 | cos |= FC_COS_CLASS2; | |
610 | if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_3) | |
611 | cos |= FC_COS_CLASS3; | |
612 | ||
613 | fc_host_node_name(ioc->sh) = | |
614 | (u64)ioc->fc_port_page0[portnum].WWNN.High << 32 | |
615 | | (u64)ioc->fc_port_page0[portnum].WWNN.Low; | |
616 | ||
617 | fc_host_port_name(ioc->sh) = | |
618 | (u64)ioc->fc_port_page0[portnum].WWPN.High << 32 | |
619 | | (u64)ioc->fc_port_page0[portnum].WWPN.Low; | |
620 | ||
621 | fc_host_port_id(ioc->sh) = ioc->fc_port_page0[portnum].PortIdentifier; | |
622 | ||
623 | fc_host_supported_classes(ioc->sh) = cos; | |
624 | ||
625 | fc_host_tgtid_bind_type(ioc->sh) = FC_TGTID_BIND_BY_WWPN; | |
626 | } | |
627 | ||
628 | static void | |
629 | mptfc_rescan_devices(void *arg) | |
630 | { | |
631 | MPT_ADAPTER *ioc = (MPT_ADAPTER *)arg; | |
632 | int ii; | |
633 | int work_to_do; | |
65207fed | 634 | u64 pn; |
05e8ec17 MR |
635 | unsigned long flags; |
636 | struct mptfc_rport_info *ri; | |
637 | ||
638 | do { | |
639 | /* start by tagging all ports as missing */ | |
05e8ec17 MR |
640 | list_for_each_entry(ri, &ioc->fc_rports, list) { |
641 | if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) { | |
642 | ri->flags |= MPT_RPORT_INFO_FLAGS_MISSING; | |
643 | } | |
644 | } | |
05e8ec17 MR |
645 | |
646 | /* | |
647 | * now rescan devices known to adapter, | |
648 | * will reregister existing rports | |
649 | */ | |
650 | for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) { | |
651 | (void) mptbase_GetFcPortPage0(ioc, ii); | |
652 | mptfc_init_host_attr(ioc,ii); /* refresh */ | |
653 | mptfc_GetFcDevPage0(ioc,ii,mptfc_register_dev); | |
654 | } | |
655 | ||
656 | /* delete devices still missing */ | |
05e8ec17 MR |
657 | list_for_each_entry(ri, &ioc->fc_rports, list) { |
658 | /* if newly missing, delete it */ | |
65207fed | 659 | if (ri->flags & MPT_RPORT_INFO_FLAGS_MISSING) { |
05e8ec17 MR |
660 | |
661 | ri->flags &= ~(MPT_RPORT_INFO_FLAGS_REGISTERED| | |
662 | MPT_RPORT_INFO_FLAGS_MISSING); | |
65207fed | 663 | fc_remote_port_delete(ri->rport); /* won't sleep */ |
3bc7bf1d | 664 | ri->rport = NULL; |
65207fed ME |
665 | |
666 | pn = (u64)ri->pg0.WWPN.High << 32 | | |
667 | (u64)ri->pg0.WWPN.Low; | |
3bc7bf1d MR |
668 | dfcprintk ((MYIOC_s_INFO_FMT |
669 | "mptfc_rescan.%d: %llx deleted\n", | |
670 | ioc->name, | |
671 | ioc->sh->host_no, | |
65207fed | 672 | (unsigned long long)pn)); |
05e8ec17 MR |
673 | } |
674 | } | |
05e8ec17 MR |
675 | |
676 | /* | |
677 | * allow multiple passes as target state | |
678 | * might have changed during scan | |
679 | */ | |
680 | spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); | |
681 | if (ioc->fc_rescan_work_count > 2) /* only need one more */ | |
682 | ioc->fc_rescan_work_count = 2; | |
683 | work_to_do = --ioc->fc_rescan_work_count; | |
684 | spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); | |
685 | } while (work_to_do); | |
686 | } | |
687 | ||
2496af39 MED |
688 | static int |
689 | mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id) | |
690 | { | |
691 | struct Scsi_Host *sh; | |
692 | MPT_SCSI_HOST *hd; | |
693 | MPT_ADAPTER *ioc; | |
694 | unsigned long flags; | |
1ca00bb7 | 695 | int ii; |
2496af39 MED |
696 | int numSGE = 0; |
697 | int scale; | |
698 | int ioc_cap; | |
2496af39 MED |
699 | int error=0; |
700 | int r; | |
05e8ec17 | 701 | |
2496af39 MED |
702 | if ((r = mpt_attach(pdev,id)) != 0) |
703 | return r; | |
05e8ec17 | 704 | |
2496af39 | 705 | ioc = pci_get_drvdata(pdev); |
d335cc38 MED |
706 | ioc->DoneCtx = mptfcDoneCtx; |
707 | ioc->TaskCtx = mptfcTaskCtx; | |
708 | ioc->InternalCtx = mptfcInternalCtx; | |
2496af39 MED |
709 | |
710 | /* Added sanity check on readiness of the MPT adapter. | |
711 | */ | |
712 | if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) { | |
713 | printk(MYIOC_s_WARN_FMT | |
714 | "Skipping because it's not operational!\n", | |
715 | ioc->name); | |
7acec1e7 MED |
716 | error = -ENODEV; |
717 | goto out_mptfc_probe; | |
2496af39 MED |
718 | } |
719 | ||
720 | if (!ioc->active) { | |
721 | printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n", | |
722 | ioc->name); | |
7acec1e7 MED |
723 | error = -ENODEV; |
724 | goto out_mptfc_probe; | |
2496af39 MED |
725 | } |
726 | ||
727 | /* Sanity check - ensure at least 1 port is INITIATOR capable | |
728 | */ | |
729 | ioc_cap = 0; | |
730 | for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) { | |
731 | if (ioc->pfacts[ii].ProtocolFlags & | |
732 | MPI_PORTFACTS_PROTOCOL_INITIATOR) | |
733 | ioc_cap ++; | |
734 | } | |
735 | ||
736 | if (!ioc_cap) { | |
737 | printk(MYIOC_s_WARN_FMT | |
738 | "Skipping ioc=%p because SCSI Initiator mode is NOT enabled!\n", | |
739 | ioc->name, ioc); | |
05e8ec17 | 740 | return -ENODEV; |
2496af39 MED |
741 | } |
742 | ||
743 | sh = scsi_host_alloc(&mptfc_driver_template, sizeof(MPT_SCSI_HOST)); | |
744 | ||
745 | if (!sh) { | |
746 | printk(MYIOC_s_WARN_FMT | |
747 | "Unable to register controller with SCSI subsystem\n", | |
748 | ioc->name); | |
7acec1e7 MED |
749 | error = -1; |
750 | goto out_mptfc_probe; | |
2496af39 MED |
751 | } |
752 | ||
05e8ec17 MR |
753 | INIT_WORK(&ioc->fc_rescan_work, mptfc_rescan_devices,(void *)ioc); |
754 | ||
2496af39 MED |
755 | spin_lock_irqsave(&ioc->FreeQlock, flags); |
756 | ||
757 | /* Attach the SCSI Host to the IOC structure | |
758 | */ | |
759 | ioc->sh = sh; | |
760 | ||
761 | sh->io_port = 0; | |
762 | sh->n_io_port = 0; | |
763 | sh->irq = 0; | |
764 | ||
765 | /* set 16 byte cdb's */ | |
766 | sh->max_cmd_len = 16; | |
767 | ||
768 | sh->max_id = MPT_MAX_FC_DEVICES<256 ? MPT_MAX_FC_DEVICES : 255; | |
769 | ||
770 | sh->max_lun = MPT_LAST_LUN + 1; | |
771 | sh->max_channel = 0; | |
772 | sh->this_id = ioc->pfacts[0].PortSCSIID; | |
773 | ||
774 | /* Required entry. | |
775 | */ | |
776 | sh->unique_id = ioc->id; | |
777 | ||
778 | /* Verify that we won't exceed the maximum | |
779 | * number of chain buffers | |
780 | * We can optimize: ZZ = req_sz/sizeof(SGE) | |
781 | * For 32bit SGE's: | |
782 | * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ | |
783 | * + (req_sz - 64)/sizeof(SGE) | |
784 | * A slightly different algorithm is required for | |
785 | * 64bit SGEs. | |
786 | */ | |
787 | scale = ioc->req_sz/(sizeof(dma_addr_t) + sizeof(u32)); | |
788 | if (sizeof(dma_addr_t) == sizeof(u64)) { | |
789 | numSGE = (scale - 1) * | |
790 | (ioc->facts.MaxChainDepth-1) + scale + | |
791 | (ioc->req_sz - 60) / (sizeof(dma_addr_t) + | |
792 | sizeof(u32)); | |
793 | } else { | |
794 | numSGE = 1 + (scale - 1) * | |
795 | (ioc->facts.MaxChainDepth-1) + scale + | |
796 | (ioc->req_sz - 64) / (sizeof(dma_addr_t) + | |
797 | sizeof(u32)); | |
798 | } | |
799 | ||
800 | if (numSGE < sh->sg_tablesize) { | |
801 | /* Reset this value */ | |
802 | dprintk((MYIOC_s_INFO_FMT | |
803 | "Resetting sg_tablesize to %d from %d\n", | |
804 | ioc->name, numSGE, sh->sg_tablesize)); | |
805 | sh->sg_tablesize = numSGE; | |
806 | } | |
807 | ||
2496af39 MED |
808 | spin_unlock_irqrestore(&ioc->FreeQlock, flags); |
809 | ||
810 | hd = (MPT_SCSI_HOST *) sh->hostdata; | |
811 | hd->ioc = ioc; | |
812 | ||
813 | /* SCSI needs scsi_cmnd lookup table! | |
814 | * (with size equal to req_depth*PtrSz!) | |
815 | */ | |
1ca00bb7 CH |
816 | hd->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC); |
817 | if (!hd->ScsiLookup) { | |
2496af39 | 818 | error = -ENOMEM; |
7acec1e7 | 819 | goto out_mptfc_probe; |
2496af39 MED |
820 | } |
821 | ||
1ca00bb7 CH |
822 | dprintk((MYIOC_s_INFO_FMT "ScsiLookup @ %p\n", |
823 | ioc->name, hd->ScsiLookup)); | |
2496af39 MED |
824 | |
825 | /* Allocate memory for the device structures. | |
826 | * A non-Null pointer at an offset | |
827 | * indicates a device exists. | |
828 | * max_id = 1 + maximum id (hosts.h) | |
829 | */ | |
1ca00bb7 CH |
830 | hd->Targets = kcalloc(sh->max_id, sizeof(void *), GFP_ATOMIC); |
831 | if (!hd->Targets) { | |
2496af39 | 832 | error = -ENOMEM; |
7acec1e7 | 833 | goto out_mptfc_probe; |
2496af39 MED |
834 | } |
835 | ||
1ca00bb7 | 836 | dprintk((KERN_INFO " vdev @ %p\n", hd->Targets)); |
2496af39 MED |
837 | |
838 | /* Clear the TM flags | |
839 | */ | |
840 | hd->tmPending = 0; | |
841 | hd->tmState = TM_STATE_NONE; | |
842 | hd->resetPending = 0; | |
843 | hd->abortSCpnt = NULL; | |
844 | ||
845 | /* Clear the pointer used to store | |
846 | * single-threaded commands, i.e., those | |
847 | * issued during a bus scan, dv and | |
848 | * configuration pages. | |
849 | */ | |
850 | hd->cmdPtr = NULL; | |
851 | ||
852 | /* Initialize this SCSI Hosts' timers | |
853 | * To use, set the timer expires field | |
854 | * and add_timer | |
855 | */ | |
856 | init_timer(&hd->timer); | |
857 | hd->timer.data = (unsigned long) hd; | |
858 | hd->timer.function = mptscsih_timer_expired; | |
859 | ||
2496af39 MED |
860 | hd->mpt_pq_filter = mpt_pq_filter; |
861 | ||
862 | ddvprintk((MYIOC_s_INFO_FMT | |
863 | "mpt_pq_filter %x\n", | |
864 | ioc->name, | |
865 | mpt_pq_filter)); | |
866 | ||
867 | init_waitqueue_head(&hd->scandv_waitq); | |
868 | hd->scandv_wait_done = 0; | |
869 | hd->last_queue_full = 0; | |
870 | ||
05e8ec17 | 871 | sh->transportt = mptfc_transport_template; |
2496af39 MED |
872 | error = scsi_add_host (sh, &ioc->pcidev->dev); |
873 | if(error) { | |
874 | dprintk((KERN_ERR MYNAM | |
875 | "scsi_add_host failed\n")); | |
7acec1e7 | 876 | goto out_mptfc_probe; |
2496af39 MED |
877 | } |
878 | ||
65207fed ME |
879 | /* initialize workqueue */ |
880 | ||
881 | snprintf(ioc->fc_rescan_work_q_name, KOBJ_NAME_LEN, "mptfc_wq_%d", | |
882 | sh->host_no); | |
883 | ioc->fc_rescan_work_q = | |
884 | create_singlethread_workqueue(ioc->fc_rescan_work_q_name); | |
885 | if (!ioc->fc_rescan_work_q) | |
886 | goto out_mptfc_probe; | |
887 | ||
888 | /* | |
889 | * scan for rports - | |
890 | * by doing it via the workqueue, some locking is eliminated | |
891 | */ | |
892 | ||
893 | ioc->fc_rescan_work_count = 1; | |
894 | queue_work(ioc->fc_rescan_work_q, &ioc->fc_rescan_work); | |
895 | flush_workqueue(ioc->fc_rescan_work_q); | |
05e8ec17 | 896 | |
2496af39 MED |
897 | return 0; |
898 | ||
7acec1e7 | 899 | out_mptfc_probe: |
2496af39 MED |
900 | |
901 | mptscsih_remove(pdev); | |
902 | return error; | |
903 | } | |
904 | ||
905 | static struct pci_driver mptfc_driver = { | |
906 | .name = "mptfc", | |
907 | .id_table = mptfc_pci_table, | |
908 | .probe = mptfc_probe, | |
05e8ec17 | 909 | .remove = __devexit_p(mptfc_remove), |
d18c3db5 | 910 | .shutdown = mptscsih_shutdown, |
2496af39 MED |
911 | #ifdef CONFIG_PM |
912 | .suspend = mptscsih_suspend, | |
913 | .resume = mptscsih_resume, | |
914 | #endif | |
915 | }; | |
916 | ||
917 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
918 | /** | |
919 | * mptfc_init - Register MPT adapter(s) as SCSI host(s) with | |
920 | * linux scsi mid-layer. | |
921 | * | |
922 | * Returns 0 for success, non-zero for failure. | |
923 | */ | |
924 | static int __init | |
925 | mptfc_init(void) | |
926 | { | |
05e8ec17 | 927 | int error; |
2496af39 MED |
928 | |
929 | show_mptmod_ver(my_NAME, my_VERSION); | |
930 | ||
05e8ec17 MR |
931 | /* sanity check module parameter */ |
932 | if (mptfc_dev_loss_tmo == 0) | |
933 | mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO; | |
934 | ||
935 | mptfc_transport_template = | |
936 | fc_attach_transport(&mptfc_transport_functions); | |
937 | ||
938 | if (!mptfc_transport_template) | |
939 | return -ENODEV; | |
940 | ||
2496af39 MED |
941 | mptfcDoneCtx = mpt_register(mptscsih_io_done, MPTFC_DRIVER); |
942 | mptfcTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTFC_DRIVER); | |
943 | mptfcInternalCtx = mpt_register(mptscsih_scandv_complete, MPTFC_DRIVER); | |
944 | ||
945 | if (mpt_event_register(mptfcDoneCtx, mptscsih_event_process) == 0) { | |
3a892bef | 946 | devtverboseprintk((KERN_INFO MYNAM |
2496af39 MED |
947 | ": Registered for IOC event notifications\n")); |
948 | } | |
949 | ||
950 | if (mpt_reset_register(mptfcDoneCtx, mptscsih_ioc_reset) == 0) { | |
951 | dprintk((KERN_INFO MYNAM | |
952 | ": Registered for IOC reset notifications\n")); | |
953 | } | |
954 | ||
05e8ec17 | 955 | error = pci_register_driver(&mptfc_driver); |
3bc7bf1d | 956 | if (error) |
05e8ec17 | 957 | fc_release_transport(mptfc_transport_template); |
05e8ec17 MR |
958 | |
959 | return error; | |
960 | } | |
961 | ||
962 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
963 | /** | |
964 | * mptfc_remove - Removed fc infrastructure for devices | |
965 | * @pdev: Pointer to pci_dev structure | |
966 | * | |
967 | */ | |
3bc7bf1d MR |
968 | static void __devexit |
969 | mptfc_remove(struct pci_dev *pdev) | |
05e8ec17 | 970 | { |
65207fed ME |
971 | MPT_ADAPTER *ioc = pci_get_drvdata(pdev); |
972 | struct mptfc_rport_info *p, *n; | |
973 | struct workqueue_struct *work_q; | |
974 | unsigned long flags; | |
975 | ||
976 | /* destroy workqueue */ | |
977 | if ((work_q=ioc->fc_rescan_work_q)) { | |
978 | spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); | |
979 | ioc->fc_rescan_work_q = NULL; | |
980 | spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); | |
981 | destroy_workqueue(work_q); | |
982 | } | |
05e8ec17 MR |
983 | |
984 | fc_remove_host(ioc->sh); | |
985 | ||
986 | list_for_each_entry_safe(p, n, &ioc->fc_rports, list) { | |
987 | list_del(&p->list); | |
988 | kfree(p); | |
989 | } | |
990 | ||
991 | mptscsih_remove(pdev); | |
2496af39 MED |
992 | } |
993 | ||
994 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
995 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
996 | /** | |
997 | * mptfc_exit - Unregisters MPT adapter(s) | |
998 | * | |
999 | */ | |
1000 | static void __exit | |
1001 | mptfc_exit(void) | |
1002 | { | |
1003 | pci_unregister_driver(&mptfc_driver); | |
05e8ec17 MR |
1004 | fc_release_transport(mptfc_transport_template); |
1005 | ||
2496af39 MED |
1006 | mpt_reset_deregister(mptfcDoneCtx); |
1007 | dprintk((KERN_INFO MYNAM | |
1008 | ": Deregistered for IOC reset notifications\n")); | |
1009 | ||
1010 | mpt_event_deregister(mptfcDoneCtx); | |
1011 | dprintk((KERN_INFO MYNAM | |
1012 | ": Deregistered for IOC event notifications\n")); | |
1013 | ||
1014 | mpt_deregister(mptfcInternalCtx); | |
1015 | mpt_deregister(mptfcTaskCtx); | |
1016 | mpt_deregister(mptfcDoneCtx); | |
1017 | } | |
1018 | ||
1019 | module_init(mptfc_init); | |
1020 | module_exit(mptfc_exit); |