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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 */ | |
05e8ec17 MR |
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 | ||
2496af39 MED |
88 | static int mptfcDoneCtx = -1; |
89 | static int mptfcTaskCtx = -1; | |
90 | static int mptfcInternalCtx = -1; /* Used only for internal commands */ | |
91 | ||
3bc7bf1d MR |
92 | static int mptfc_target_alloc(struct scsi_target *starget); |
93 | static int mptfc_slave_alloc(struct scsi_device *sdev); | |
05e8ec17 | 94 | static int mptfc_qcmd(struct scsi_cmnd *SCpnt, |
3bc7bf1d MR |
95 | void (*done)(struct scsi_cmnd *)); |
96 | static void mptfc_target_destroy(struct scsi_target *starget); | |
05e8ec17 MR |
97 | static void mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout); |
98 | static void __devexit mptfc_remove(struct pci_dev *pdev); | |
35508e46 MR |
99 | static int mptfc_abort(struct scsi_cmnd *SCpnt); |
100 | static int mptfc_dev_reset(struct scsi_cmnd *SCpnt); | |
101 | static int mptfc_bus_reset(struct scsi_cmnd *SCpnt); | |
102 | static int mptfc_host_reset(struct scsi_cmnd *SCpnt); | |
05e8ec17 | 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, |
35508e46 MR |
117 | .eh_abort_handler = mptfc_abort, |
118 | .eh_device_reset_handler = mptfc_dev_reset, | |
119 | .eh_bus_reset_handler = mptfc_bus_reset, | |
120 | .eh_host_reset_handler = mptfc_host_reset, | |
2496af39 MED |
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[] = { | |
87cf8986 | 135 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC909, |
2496af39 | 136 | PCI_ANY_ID, PCI_ANY_ID }, |
87cf8986 | 137 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC919, |
2496af39 | 138 | PCI_ANY_ID, PCI_ANY_ID }, |
87cf8986 | 139 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC929, |
2496af39 | 140 | PCI_ANY_ID, PCI_ANY_ID }, |
87cf8986 | 141 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC919X, |
2496af39 | 142 | PCI_ANY_ID, PCI_ANY_ID }, |
87cf8986 | 143 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC929X, |
2496af39 | 144 | PCI_ANY_ID, PCI_ANY_ID }, |
87cf8986 | 145 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC939X, |
3fadc59d | 146 | PCI_ANY_ID, PCI_ANY_ID }, |
87cf8986 | 147 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC949X, |
3fadc59d | 148 | PCI_ANY_ID, PCI_ANY_ID }, |
87cf8986 | 149 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC949E, |
6d5b0c31 | 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, | |
5d947f2b MR |
169 | .show_host_supported_speeds = 1, |
170 | .show_host_maxframe_size = 1, | |
171 | .show_host_speed = 1, | |
172 | .show_host_fabric_name = 1, | |
173 | .show_host_port_type = 1, | |
174 | .show_host_port_state = 1, | |
175 | .show_host_symbolic_name = 1, | |
05e8ec17 MR |
176 | }; |
177 | ||
35508e46 MR |
178 | static int |
179 | mptfc_block_error_handler(struct scsi_cmnd *SCpnt, | |
180 | int (*func)(struct scsi_cmnd *SCpnt), | |
181 | const char *caller) | |
182 | { | |
183 | struct scsi_device *sdev = SCpnt->device; | |
184 | struct Scsi_Host *shost = sdev->host; | |
185 | struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); | |
186 | unsigned long flags; | |
187 | int ready; | |
188 | ||
189 | spin_lock_irqsave(shost->host_lock, flags); | |
190 | while ((ready = fc_remote_port_chkready(rport) >> 16) == DID_IMM_RETRY) { | |
191 | spin_unlock_irqrestore(shost->host_lock, flags); | |
192 | dfcprintk ((MYIOC_s_INFO_FMT | |
193 | "mptfc_block_error_handler.%d: %d:%d, port status is " | |
194 | "DID_IMM_RETRY, deferring %s recovery.\n", | |
195 | ((MPT_SCSI_HOST *) shost->hostdata)->ioc->name, | |
196 | ((MPT_SCSI_HOST *) shost->hostdata)->ioc->sh->host_no, | |
197 | SCpnt->device->id,SCpnt->device->lun,caller)); | |
198 | msleep(1000); | |
199 | spin_lock_irqsave(shost->host_lock, flags); | |
200 | } | |
201 | spin_unlock_irqrestore(shost->host_lock, flags); | |
202 | ||
203 | if (ready == DID_NO_CONNECT || !SCpnt->device->hostdata) { | |
204 | dfcprintk ((MYIOC_s_INFO_FMT | |
205 | "%s.%d: %d:%d, failing recovery, " | |
206 | "port state %d, vdev %p.\n", caller, | |
207 | ((MPT_SCSI_HOST *) shost->hostdata)->ioc->name, | |
208 | ((MPT_SCSI_HOST *) shost->hostdata)->ioc->sh->host_no, | |
209 | SCpnt->device->id,SCpnt->device->lun,ready, | |
210 | SCpnt->device->hostdata)); | |
211 | return FAILED; | |
212 | } | |
213 | dfcprintk ((MYIOC_s_INFO_FMT | |
214 | "%s.%d: %d:%d, executing recovery.\n", caller, | |
215 | ((MPT_SCSI_HOST *) shost->hostdata)->ioc->name, | |
216 | ((MPT_SCSI_HOST *) shost->hostdata)->ioc->sh->host_no, | |
217 | SCpnt->device->id,SCpnt->device->lun)); | |
218 | return (*func)(SCpnt); | |
219 | } | |
220 | ||
221 | static int | |
222 | mptfc_abort(struct scsi_cmnd *SCpnt) | |
223 | { | |
224 | return | |
225 | mptfc_block_error_handler(SCpnt, mptscsih_abort, __FUNCTION__); | |
226 | } | |
227 | ||
228 | static int | |
229 | mptfc_dev_reset(struct scsi_cmnd *SCpnt) | |
230 | { | |
231 | return | |
232 | mptfc_block_error_handler(SCpnt, mptscsih_dev_reset, __FUNCTION__); | |
233 | } | |
234 | ||
235 | static int | |
236 | mptfc_bus_reset(struct scsi_cmnd *SCpnt) | |
237 | { | |
238 | return | |
239 | mptfc_block_error_handler(SCpnt, mptscsih_bus_reset, __FUNCTION__); | |
240 | } | |
241 | ||
242 | static int | |
243 | mptfc_host_reset(struct scsi_cmnd *SCpnt) | |
244 | { | |
245 | return | |
246 | mptfc_block_error_handler(SCpnt, mptscsih_host_reset, __FUNCTION__); | |
247 | } | |
248 | ||
05e8ec17 MR |
249 | static void |
250 | mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) | |
251 | { | |
252 | if (timeout > 0) | |
253 | rport->dev_loss_tmo = timeout; | |
254 | else | |
255 | rport->dev_loss_tmo = mptfc_dev_loss_tmo; | |
256 | } | |
257 | ||
258 | static int | |
259 | mptfc_FcDevPage0_cmp_func(const void *a, const void *b) | |
260 | { | |
261 | FCDevicePage0_t **aa = (FCDevicePage0_t **)a; | |
262 | FCDevicePage0_t **bb = (FCDevicePage0_t **)b; | |
263 | ||
264 | if ((*aa)->CurrentBus == (*bb)->CurrentBus) { | |
265 | if ((*aa)->CurrentTargetID == (*bb)->CurrentTargetID) | |
266 | return 0; | |
267 | if ((*aa)->CurrentTargetID < (*bb)->CurrentTargetID) | |
268 | return -1; | |
269 | return 1; | |
270 | } | |
271 | if ((*aa)->CurrentBus < (*bb)->CurrentBus) | |
272 | return -1; | |
273 | return 1; | |
274 | } | |
275 | ||
276 | static int | |
277 | mptfc_GetFcDevPage0(MPT_ADAPTER *ioc, int ioc_port, | |
278 | void(*func)(MPT_ADAPTER *ioc,int channel, FCDevicePage0_t *arg)) | |
279 | { | |
280 | ConfigPageHeader_t hdr; | |
281 | CONFIGPARMS cfg; | |
282 | FCDevicePage0_t *ppage0_alloc, *fc; | |
283 | dma_addr_t page0_dma; | |
284 | int data_sz; | |
285 | int ii; | |
286 | ||
287 | FCDevicePage0_t *p0_array=NULL, *p_p0; | |
288 | FCDevicePage0_t **pp0_array=NULL, **p_pp0; | |
289 | ||
290 | int rc = -ENOMEM; | |
291 | U32 port_id = 0xffffff; | |
292 | int num_targ = 0; | |
293 | int max_bus = ioc->facts.MaxBuses; | |
294 | int max_targ = ioc->facts.MaxDevices; | |
295 | ||
296 | if (max_bus == 0 || max_targ == 0) | |
297 | goto out; | |
298 | ||
299 | data_sz = sizeof(FCDevicePage0_t) * max_bus * max_targ; | |
300 | p_p0 = p0_array = kzalloc(data_sz, GFP_KERNEL); | |
301 | if (!p0_array) | |
302 | goto out; | |
303 | ||
304 | data_sz = sizeof(FCDevicePage0_t *) * max_bus * max_targ; | |
305 | p_pp0 = pp0_array = kzalloc(data_sz, GFP_KERNEL); | |
306 | if (!pp0_array) | |
307 | goto out; | |
308 | ||
309 | do { | |
310 | /* Get FC Device Page 0 header */ | |
311 | hdr.PageVersion = 0; | |
312 | hdr.PageLength = 0; | |
313 | hdr.PageNumber = 0; | |
314 | hdr.PageType = MPI_CONFIG_PAGETYPE_FC_DEVICE; | |
315 | cfg.cfghdr.hdr = &hdr; | |
316 | cfg.physAddr = -1; | |
317 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | |
318 | cfg.dir = 0; | |
319 | cfg.pageAddr = port_id; | |
320 | cfg.timeout = 0; | |
321 | ||
322 | if ((rc = mpt_config(ioc, &cfg)) != 0) | |
323 | break; | |
324 | ||
325 | if (hdr.PageLength <= 0) | |
326 | break; | |
327 | ||
328 | data_sz = hdr.PageLength * 4; | |
329 | ppage0_alloc = pci_alloc_consistent(ioc->pcidev, data_sz, | |
330 | &page0_dma); | |
331 | rc = -ENOMEM; | |
332 | if (!ppage0_alloc) | |
333 | break; | |
334 | ||
335 | cfg.physAddr = page0_dma; | |
336 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | |
337 | ||
338 | if ((rc = mpt_config(ioc, &cfg)) == 0) { | |
339 | ppage0_alloc->PortIdentifier = | |
340 | le32_to_cpu(ppage0_alloc->PortIdentifier); | |
341 | ||
342 | ppage0_alloc->WWNN.Low = | |
343 | le32_to_cpu(ppage0_alloc->WWNN.Low); | |
344 | ||
345 | ppage0_alloc->WWNN.High = | |
346 | le32_to_cpu(ppage0_alloc->WWNN.High); | |
347 | ||
348 | ppage0_alloc->WWPN.Low = | |
349 | le32_to_cpu(ppage0_alloc->WWPN.Low); | |
350 | ||
351 | ppage0_alloc->WWPN.High = | |
352 | le32_to_cpu(ppage0_alloc->WWPN.High); | |
353 | ||
354 | ppage0_alloc->BBCredit = | |
355 | le16_to_cpu(ppage0_alloc->BBCredit); | |
356 | ||
357 | ppage0_alloc->MaxRxFrameSize = | |
358 | le16_to_cpu(ppage0_alloc->MaxRxFrameSize); | |
359 | ||
360 | port_id = ppage0_alloc->PortIdentifier; | |
361 | num_targ++; | |
362 | *p_p0 = *ppage0_alloc; /* save data */ | |
363 | *p_pp0++ = p_p0++; /* save addr */ | |
364 | } | |
365 | pci_free_consistent(ioc->pcidev, data_sz, | |
366 | (u8 *) ppage0_alloc, page0_dma); | |
367 | if (rc != 0) | |
368 | break; | |
369 | ||
370 | } while (port_id <= 0xff0000); | |
371 | ||
372 | if (num_targ) { | |
373 | /* sort array */ | |
374 | if (num_targ > 1) | |
375 | sort (pp0_array, num_targ, sizeof(FCDevicePage0_t *), | |
376 | mptfc_FcDevPage0_cmp_func, NULL); | |
377 | /* call caller's func for each targ */ | |
378 | for (ii = 0; ii < num_targ; ii++) { | |
379 | fc = *(pp0_array+ii); | |
380 | func(ioc, ioc_port, fc); | |
381 | } | |
382 | } | |
383 | ||
384 | out: | |
8f760780 JJ |
385 | kfree(pp0_array); |
386 | kfree(p0_array); | |
05e8ec17 MR |
387 | return rc; |
388 | } | |
389 | ||
390 | static int | |
391 | mptfc_generate_rport_ids(FCDevicePage0_t *pg0, struct fc_rport_identifiers *rid) | |
392 | { | |
393 | /* not currently usable */ | |
394 | if (pg0->Flags & (MPI_FC_DEVICE_PAGE0_FLAGS_PLOGI_INVALID | | |
395 | MPI_FC_DEVICE_PAGE0_FLAGS_PRLI_INVALID)) | |
396 | return -1; | |
397 | ||
398 | if (!(pg0->Flags & MPI_FC_DEVICE_PAGE0_FLAGS_TARGETID_BUS_VALID)) | |
399 | return -1; | |
400 | ||
401 | if (!(pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_TARGET)) | |
402 | return -1; | |
403 | ||
404 | /* | |
405 | * board data structure already normalized to platform endianness | |
406 | * shifted to avoid unaligned access on 64 bit architecture | |
407 | */ | |
408 | rid->node_name = ((u64)pg0->WWNN.High) << 32 | (u64)pg0->WWNN.Low; | |
409 | rid->port_name = ((u64)pg0->WWPN.High) << 32 | (u64)pg0->WWPN.Low; | |
410 | rid->port_id = pg0->PortIdentifier; | |
411 | rid->roles = FC_RPORT_ROLE_UNKNOWN; | |
05e8ec17 MR |
412 | |
413 | return 0; | |
414 | } | |
415 | ||
416 | static void | |
417 | mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0) | |
418 | { | |
419 | struct fc_rport_identifiers rport_ids; | |
420 | struct fc_rport *rport; | |
421 | struct mptfc_rport_info *ri; | |
3bc7bf1d | 422 | int new_ri = 1; |
65207fed | 423 | u64 pn, nn; |
3bc7bf1d | 424 | VirtTarget *vtarget; |
6dd727da | 425 | u32 roles = FC_RPORT_ROLE_UNKNOWN; |
05e8ec17 MR |
426 | |
427 | if (mptfc_generate_rport_ids(pg0, &rport_ids) < 0) | |
428 | return; | |
429 | ||
6dd727da | 430 | roles |= FC_RPORT_ROLE_FCP_TARGET; |
431 | if (pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_INITIATOR) | |
432 | roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
433 | ||
05e8ec17 | 434 | /* scan list looking for a match */ |
05e8ec17 | 435 | list_for_each_entry(ri, &ioc->fc_rports, list) { |
3bc7bf1d MR |
436 | pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low; |
437 | if (pn == rport_ids.port_name) { /* match */ | |
05e8ec17 | 438 | list_move_tail(&ri->list, &ioc->fc_rports); |
3bc7bf1d | 439 | new_ri = 0; |
05e8ec17 MR |
440 | break; |
441 | } | |
442 | } | |
3bc7bf1d | 443 | if (new_ri) { /* allocate one */ |
05e8ec17 MR |
444 | ri = kzalloc(sizeof(struct mptfc_rport_info), GFP_KERNEL); |
445 | if (!ri) | |
446 | return; | |
05e8ec17 MR |
447 | list_add_tail(&ri->list, &ioc->fc_rports); |
448 | } | |
449 | ||
450 | ri->pg0 = *pg0; /* add/update pg0 data */ | |
451 | ri->flags &= ~MPT_RPORT_INFO_FLAGS_MISSING; | |
452 | ||
3bc7bf1d | 453 | /* MPT_RPORT_INFO_FLAGS_REGISTERED - rport not previously deleted */ |
05e8ec17 MR |
454 | if (!(ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED)) { |
455 | ri->flags |= MPT_RPORT_INFO_FLAGS_REGISTERED; | |
3bc7bf1d | 456 | rport = fc_remote_port_add(ioc->sh, channel, &rport_ids); |
05e8ec17 | 457 | if (rport) { |
3bc7bf1d MR |
458 | ri->rport = rport; |
459 | if (new_ri) /* may have been reset by user */ | |
460 | rport->dev_loss_tmo = mptfc_dev_loss_tmo; | |
05e8ec17 MR |
461 | /* |
462 | * if already mapped, remap here. If not mapped, | |
3bc7bf1d MR |
463 | * target_alloc will allocate vtarget and map, |
464 | * slave_alloc will fill in vdev from vtarget. | |
05e8ec17 | 465 | */ |
3bc7bf1d MR |
466 | if (ri->starget) { |
467 | vtarget = ri->starget->hostdata; | |
468 | if (vtarget) { | |
469 | vtarget->target_id = pg0->CurrentTargetID; | |
470 | vtarget->bus_id = pg0->CurrentBus; | |
3bc7bf1d | 471 | } |
05e8ec17 | 472 | } |
65207fed | 473 | *((struct mptfc_rport_info **)rport->dd_data) = ri; |
6dd727da | 474 | /* scan will be scheduled once rport becomes a target */ |
475 | fc_remote_port_rolechg(rport,roles); | |
65207fed ME |
476 | |
477 | pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low; | |
478 | nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low; | |
3bc7bf1d MR |
479 | dfcprintk ((MYIOC_s_INFO_FMT |
480 | "mptfc_reg_dev.%d: %x, %llx / %llx, tid %d, " | |
05e8ec17 | 481 | "rport tid %d, tmo %d\n", |
3bc7bf1d | 482 | ioc->name, |
914c2d8e | 483 | ioc->sh->host_no, |
05e8ec17 | 484 | pg0->PortIdentifier, |
65207fed ME |
485 | (unsigned long long)nn, |
486 | (unsigned long long)pn, | |
05e8ec17 MR |
487 | pg0->CurrentTargetID, |
488 | ri->rport->scsi_target_id, | |
3bc7bf1d | 489 | ri->rport->dev_loss_tmo)); |
05e8ec17 MR |
490 | } else { |
491 | list_del(&ri->list); | |
492 | kfree(ri); | |
493 | ri = NULL; | |
494 | } | |
495 | } | |
05e8ec17 MR |
496 | } |
497 | ||
3bc7bf1d MR |
498 | /* |
499 | * OS entry point to allow for host driver to free allocated memory | |
500 | * Called if no device present or device being unloaded | |
501 | */ | |
502 | static void | |
503 | mptfc_target_destroy(struct scsi_target *starget) | |
504 | { | |
505 | struct fc_rport *rport; | |
506 | struct mptfc_rport_info *ri; | |
507 | ||
508 | rport = starget_to_rport(starget); | |
509 | if (rport) { | |
510 | ri = *((struct mptfc_rport_info **)rport->dd_data); | |
511 | if (ri) /* better be! */ | |
512 | ri->starget = NULL; | |
513 | } | |
514 | if (starget->hostdata) | |
515 | kfree(starget->hostdata); | |
516 | starget->hostdata = NULL; | |
517 | } | |
518 | ||
519 | /* | |
520 | * OS entry point to allow host driver to alloc memory | |
521 | * for each scsi target. Called once per device the bus scan. | |
522 | * Return non-zero if allocation fails. | |
523 | */ | |
524 | static int | |
525 | mptfc_target_alloc(struct scsi_target *starget) | |
526 | { | |
527 | VirtTarget *vtarget; | |
528 | struct fc_rport *rport; | |
529 | struct mptfc_rport_info *ri; | |
530 | int rc; | |
531 | ||
532 | vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL); | |
533 | if (!vtarget) | |
534 | return -ENOMEM; | |
535 | starget->hostdata = vtarget; | |
536 | ||
537 | rc = -ENODEV; | |
538 | rport = starget_to_rport(starget); | |
539 | if (rport) { | |
540 | ri = *((struct mptfc_rport_info **)rport->dd_data); | |
541 | if (ri) { /* better be! */ | |
542 | vtarget->target_id = ri->pg0.CurrentTargetID; | |
543 | vtarget->bus_id = ri->pg0.CurrentBus; | |
544 | ri->starget = starget; | |
3bc7bf1d MR |
545 | rc = 0; |
546 | } | |
547 | } | |
548 | if (rc != 0) { | |
549 | kfree(vtarget); | |
550 | starget->hostdata = NULL; | |
551 | } | |
552 | ||
553 | return rc; | |
554 | } | |
555 | ||
2496af39 | 556 | /* |
05e8ec17 MR |
557 | * OS entry point to allow host driver to alloc memory |
558 | * for each scsi device. Called once per device the bus scan. | |
559 | * Return non-zero if allocation fails. | |
560 | * Init memory once per LUN. | |
2496af39 | 561 | */ |
03fbcbcd | 562 | static int |
05e8ec17 MR |
563 | mptfc_slave_alloc(struct scsi_device *sdev) |
564 | { | |
565 | MPT_SCSI_HOST *hd; | |
566 | VirtTarget *vtarget; | |
567 | VirtDevice *vdev; | |
568 | struct scsi_target *starget; | |
569 | struct fc_rport *rport; | |
05e8ec17 MR |
570 | |
571 | ||
65207fed ME |
572 | starget = scsi_target(sdev); |
573 | rport = starget_to_rport(starget); | |
05e8ec17 MR |
574 | |
575 | if (!rport || fc_remote_port_chkready(rport)) | |
576 | return -ENXIO; | |
577 | ||
578 | hd = (MPT_SCSI_HOST *)sdev->host->hostdata; | |
579 | ||
3bc7bf1d | 580 | vdev = kzalloc(sizeof(VirtDevice), GFP_KERNEL); |
05e8ec17 MR |
581 | if (!vdev) { |
582 | printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n", | |
583 | hd->ioc->name, sizeof(VirtDevice)); | |
584 | return -ENOMEM; | |
585 | } | |
05e8ec17 | 586 | |
05e8ec17 | 587 | |
05e8ec17 | 588 | sdev->hostdata = vdev; |
05e8ec17 | 589 | vtarget = starget->hostdata; |
3bc7bf1d | 590 | |
05e8ec17 | 591 | if (vtarget->num_luns == 0) { |
3bc7bf1d | 592 | vtarget->ioc_id = hd->ioc->id; |
ba856d32 | 593 | vtarget->tflags = MPT_TARGET_FLAGS_Q_YES; |
05e8ec17 MR |
594 | hd->Targets[sdev->id] = vtarget; |
595 | } | |
596 | ||
05e8ec17 | 597 | vdev->vtarget = vtarget; |
05e8ec17 | 598 | vdev->lun = sdev->lun; |
05e8ec17 | 599 | |
05e8ec17 MR |
600 | vtarget->num_luns++; |
601 | ||
65207fed | 602 | |
914c2d8e | 603 | #ifdef DMPT_DEBUG_FC |
65207fed ME |
604 | { |
605 | u64 nn, pn; | |
914c2d8e ME |
606 | struct mptfc_rport_info *ri; |
607 | ri = *((struct mptfc_rport_info **)rport->dd_data); | |
65207fed ME |
608 | pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low; |
609 | nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low; | |
3bc7bf1d MR |
610 | dfcprintk ((MYIOC_s_INFO_FMT |
611 | "mptfc_slv_alloc.%d: num_luns %d, sdev.id %d, " | |
05e8ec17 | 612 | "CurrentTargetID %d, %x %llx %llx\n", |
914c2d8e | 613 | hd->ioc->name, |
3bc7bf1d MR |
614 | sdev->host->host_no, |
615 | vtarget->num_luns, | |
616 | sdev->id, ri->pg0.CurrentTargetID, | |
65207fed ME |
617 | ri->pg0.PortIdentifier, |
618 | (unsigned long long)pn, | |
619 | (unsigned long long)nn)); | |
914c2d8e ME |
620 | } |
621 | #endif | |
05e8ec17 MR |
622 | |
623 | return 0; | |
624 | } | |
625 | ||
626 | static int | |
627 | mptfc_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) | |
628 | { | |
3bc7bf1d | 629 | struct mptfc_rport_info *ri; |
05e8ec17 MR |
630 | struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device)); |
631 | int err; | |
632 | ||
633 | err = fc_remote_port_chkready(rport); | |
634 | if (unlikely(err)) { | |
635 | SCpnt->result = err; | |
636 | done(SCpnt); | |
637 | return 0; | |
638 | } | |
65207fed | 639 | |
35508e46 MR |
640 | if (!SCpnt->device->hostdata) { /* vdev */ |
641 | SCpnt->result = DID_NO_CONNECT << 16; | |
642 | done(SCpnt); | |
643 | return 0; | |
644 | } | |
645 | ||
65207fed | 646 | /* dd_data is null until finished adding target */ |
3bc7bf1d | 647 | ri = *((struct mptfc_rport_info **)rport->dd_data); |
65207fed ME |
648 | if (unlikely(!ri)) { |
649 | dfcprintk ((MYIOC_s_INFO_FMT | |
650 | "mptfc_qcmd.%d: %d:%d, dd_data is null.\n", | |
651 | ((MPT_SCSI_HOST *) SCpnt->device->host->hostdata)->ioc->name, | |
652 | ((MPT_SCSI_HOST *) SCpnt->device->host->hostdata)->ioc->sh->host_no, | |
653 | SCpnt->device->id,SCpnt->device->lun)); | |
654 | SCpnt->result = DID_IMM_RETRY << 16; | |
655 | done(SCpnt); | |
656 | return 0; | |
657 | } | |
3bc7bf1d | 658 | |
65207fed ME |
659 | err = mptscsih_qcmd(SCpnt,done); |
660 | #ifdef DMPT_DEBUG_FC | |
661 | if (unlikely(err)) { | |
662 | dfcprintk ((MYIOC_s_INFO_FMT | |
419835e2 | 663 | "mptfc_qcmd.%d: %d:%d, mptscsih_qcmd returns non-zero, (%x).\n", |
65207fed ME |
664 | ((MPT_SCSI_HOST *) SCpnt->device->host->hostdata)->ioc->name, |
665 | ((MPT_SCSI_HOST *) SCpnt->device->host->hostdata)->ioc->sh->host_no, | |
419835e2 | 666 | SCpnt->device->id,SCpnt->device->lun,err)); |
65207fed ME |
667 | } |
668 | #endif | |
669 | return err; | |
05e8ec17 MR |
670 | } |
671 | ||
80d3ac77 MR |
672 | /* |
673 | * mptfc_GetFcPortPage0 - Fetch FCPort config Page0. | |
674 | * @ioc: Pointer to MPT_ADAPTER structure | |
675 | * @portnum: IOC Port number | |
676 | * | |
677 | * Return: 0 for success | |
678 | * -ENOMEM if no memory available | |
679 | * -EPERM if not allowed due to ISR context | |
680 | * -EAGAIN if no msg frames currently available | |
681 | * -EFAULT for non-successful reply or no reply (timeout) | |
682 | * -EINVAL portnum arg out of range (hardwired to two elements) | |
683 | */ | |
684 | static int | |
685 | mptfc_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum) | |
686 | { | |
687 | ConfigPageHeader_t hdr; | |
688 | CONFIGPARMS cfg; | |
689 | FCPortPage0_t *ppage0_alloc; | |
690 | FCPortPage0_t *pp0dest; | |
691 | dma_addr_t page0_dma; | |
692 | int data_sz; | |
693 | int copy_sz; | |
694 | int rc; | |
695 | int count = 400; | |
696 | ||
697 | if (portnum > 1) | |
698 | return -EINVAL; | |
699 | ||
700 | /* Get FCPort Page 0 header */ | |
701 | hdr.PageVersion = 0; | |
702 | hdr.PageLength = 0; | |
703 | hdr.PageNumber = 0; | |
704 | hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT; | |
705 | cfg.cfghdr.hdr = &hdr; | |
706 | cfg.physAddr = -1; | |
707 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | |
708 | cfg.dir = 0; | |
709 | cfg.pageAddr = portnum; | |
710 | cfg.timeout = 0; | |
711 | ||
712 | if ((rc = mpt_config(ioc, &cfg)) != 0) | |
713 | return rc; | |
714 | ||
715 | if (hdr.PageLength == 0) | |
716 | return 0; | |
717 | ||
718 | data_sz = hdr.PageLength * 4; | |
719 | rc = -ENOMEM; | |
720 | ppage0_alloc = (FCPortPage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page0_dma); | |
721 | if (ppage0_alloc) { | |
722 | ||
723 | try_again: | |
724 | memset((u8 *)ppage0_alloc, 0, data_sz); | |
725 | cfg.physAddr = page0_dma; | |
726 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | |
727 | ||
728 | if ((rc = mpt_config(ioc, &cfg)) == 0) { | |
729 | /* save the data */ | |
730 | pp0dest = &ioc->fc_port_page0[portnum]; | |
731 | copy_sz = min_t(int, sizeof(FCPortPage0_t), data_sz); | |
732 | memcpy(pp0dest, ppage0_alloc, copy_sz); | |
733 | ||
734 | /* | |
735 | * Normalize endianness of structure data, | |
736 | * by byte-swapping all > 1 byte fields! | |
737 | */ | |
738 | pp0dest->Flags = le32_to_cpu(pp0dest->Flags); | |
739 | pp0dest->PortIdentifier = le32_to_cpu(pp0dest->PortIdentifier); | |
740 | pp0dest->WWNN.Low = le32_to_cpu(pp0dest->WWNN.Low); | |
741 | pp0dest->WWNN.High = le32_to_cpu(pp0dest->WWNN.High); | |
742 | pp0dest->WWPN.Low = le32_to_cpu(pp0dest->WWPN.Low); | |
743 | pp0dest->WWPN.High = le32_to_cpu(pp0dest->WWPN.High); | |
744 | pp0dest->SupportedServiceClass = le32_to_cpu(pp0dest->SupportedServiceClass); | |
745 | pp0dest->SupportedSpeeds = le32_to_cpu(pp0dest->SupportedSpeeds); | |
746 | pp0dest->CurrentSpeed = le32_to_cpu(pp0dest->CurrentSpeed); | |
747 | pp0dest->MaxFrameSize = le32_to_cpu(pp0dest->MaxFrameSize); | |
748 | pp0dest->FabricWWNN.Low = le32_to_cpu(pp0dest->FabricWWNN.Low); | |
749 | pp0dest->FabricWWNN.High = le32_to_cpu(pp0dest->FabricWWNN.High); | |
750 | pp0dest->FabricWWPN.Low = le32_to_cpu(pp0dest->FabricWWPN.Low); | |
751 | pp0dest->FabricWWPN.High = le32_to_cpu(pp0dest->FabricWWPN.High); | |
752 | pp0dest->DiscoveredPortsCount = le32_to_cpu(pp0dest->DiscoveredPortsCount); | |
753 | pp0dest->MaxInitiators = le32_to_cpu(pp0dest->MaxInitiators); | |
754 | ||
755 | /* | |
756 | * if still doing discovery, | |
757 | * hang loose a while until finished | |
758 | */ | |
77d88ee2 MR |
759 | if ((pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_UNKNOWN) || |
760 | (pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE && | |
761 | (pp0dest->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_TYPE_MASK) | |
762 | == MPI_FCPORTPAGE0_FLAGS_ATTACH_NO_INIT)) { | |
80d3ac77 | 763 | if (count-- > 0) { |
d6be06c8 | 764 | msleep(100); |
80d3ac77 MR |
765 | goto try_again; |
766 | } | |
767 | printk(MYIOC_s_INFO_FMT "Firmware discovery not" | |
768 | " complete.\n", | |
769 | ioc->name); | |
770 | } | |
771 | } | |
772 | ||
773 | pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage0_alloc, page0_dma); | |
774 | } | |
775 | ||
776 | return rc; | |
777 | } | |
778 | ||
ca2f938e MR |
779 | static int |
780 | mptfc_WriteFcPortPage1(MPT_ADAPTER *ioc, int portnum) | |
781 | { | |
782 | ConfigPageHeader_t hdr; | |
783 | CONFIGPARMS cfg; | |
784 | int rc; | |
785 | ||
786 | if (portnum > 1) | |
787 | return -EINVAL; | |
788 | ||
789 | if (!(ioc->fc_data.fc_port_page1[portnum].data)) | |
790 | return -EINVAL; | |
791 | ||
792 | /* get fcport page 1 header */ | |
793 | hdr.PageVersion = 0; | |
794 | hdr.PageLength = 0; | |
795 | hdr.PageNumber = 1; | |
796 | hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT; | |
797 | cfg.cfghdr.hdr = &hdr; | |
798 | cfg.physAddr = -1; | |
799 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | |
800 | cfg.dir = 0; | |
801 | cfg.pageAddr = portnum; | |
802 | cfg.timeout = 0; | |
803 | ||
804 | if ((rc = mpt_config(ioc, &cfg)) != 0) | |
805 | return rc; | |
806 | ||
807 | if (hdr.PageLength == 0) | |
808 | return -ENODEV; | |
809 | ||
810 | if (hdr.PageLength*4 != ioc->fc_data.fc_port_page1[portnum].pg_sz) | |
811 | return -EINVAL; | |
812 | ||
813 | cfg.physAddr = ioc->fc_data.fc_port_page1[portnum].dma; | |
814 | cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT; | |
815 | cfg.dir = 1; | |
816 | ||
817 | rc = mpt_config(ioc, &cfg); | |
818 | ||
819 | return rc; | |
820 | } | |
821 | ||
822 | static int | |
823 | mptfc_GetFcPortPage1(MPT_ADAPTER *ioc, int portnum) | |
824 | { | |
825 | ConfigPageHeader_t hdr; | |
826 | CONFIGPARMS cfg; | |
827 | FCPortPage1_t *page1_alloc; | |
828 | dma_addr_t page1_dma; | |
829 | int data_sz; | |
830 | int rc; | |
831 | ||
832 | if (portnum > 1) | |
833 | return -EINVAL; | |
834 | ||
835 | /* get fcport page 1 header */ | |
836 | hdr.PageVersion = 0; | |
837 | hdr.PageLength = 0; | |
838 | hdr.PageNumber = 1; | |
839 | hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT; | |
840 | cfg.cfghdr.hdr = &hdr; | |
841 | cfg.physAddr = -1; | |
842 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | |
843 | cfg.dir = 0; | |
844 | cfg.pageAddr = portnum; | |
845 | cfg.timeout = 0; | |
846 | ||
847 | if ((rc = mpt_config(ioc, &cfg)) != 0) | |
848 | return rc; | |
849 | ||
850 | if (hdr.PageLength == 0) | |
851 | return -ENODEV; | |
852 | ||
853 | start_over: | |
854 | ||
855 | if (ioc->fc_data.fc_port_page1[portnum].data == NULL) { | |
856 | data_sz = hdr.PageLength * 4; | |
857 | if (data_sz < sizeof(FCPortPage1_t)) | |
858 | data_sz = sizeof(FCPortPage1_t); | |
859 | ||
860 | page1_alloc = (FCPortPage1_t *) pci_alloc_consistent(ioc->pcidev, | |
861 | data_sz, | |
862 | &page1_dma); | |
863 | if (!page1_alloc) | |
864 | return -ENOMEM; | |
865 | } | |
866 | else { | |
867 | page1_alloc = ioc->fc_data.fc_port_page1[portnum].data; | |
868 | page1_dma = ioc->fc_data.fc_port_page1[portnum].dma; | |
869 | data_sz = ioc->fc_data.fc_port_page1[portnum].pg_sz; | |
870 | if (hdr.PageLength * 4 > data_sz) { | |
871 | ioc->fc_data.fc_port_page1[portnum].data = NULL; | |
872 | pci_free_consistent(ioc->pcidev, data_sz, (u8 *) | |
873 | page1_alloc, page1_dma); | |
874 | goto start_over; | |
875 | } | |
876 | } | |
877 | ||
878 | memset(page1_alloc,0,data_sz); | |
879 | ||
880 | cfg.physAddr = page1_dma; | |
881 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | |
882 | ||
883 | if ((rc = mpt_config(ioc, &cfg)) == 0) { | |
884 | ioc->fc_data.fc_port_page1[portnum].data = page1_alloc; | |
885 | ioc->fc_data.fc_port_page1[portnum].pg_sz = data_sz; | |
886 | ioc->fc_data.fc_port_page1[portnum].dma = page1_dma; | |
887 | } | |
888 | else { | |
889 | ioc->fc_data.fc_port_page1[portnum].data = NULL; | |
890 | pci_free_consistent(ioc->pcidev, data_sz, (u8 *) | |
891 | page1_alloc, page1_dma); | |
892 | } | |
893 | ||
894 | return rc; | |
895 | } | |
896 | ||
897 | static void | |
898 | mptfc_SetFcPortPage1_defaults(MPT_ADAPTER *ioc) | |
899 | { | |
900 | int ii; | |
901 | FCPortPage1_t *pp1; | |
902 | ||
903 | #define MPTFC_FW_DEVICE_TIMEOUT (1) | |
904 | #define MPTFC_FW_IO_PEND_TIMEOUT (1) | |
905 | #define ON_FLAGS (MPI_FCPORTPAGE1_FLAGS_IMMEDIATE_ERROR_REPLY) | |
906 | #define OFF_FLAGS (MPI_FCPORTPAGE1_FLAGS_VERBOSE_RESCAN_EVENTS) | |
907 | ||
908 | for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) { | |
909 | if (mptfc_GetFcPortPage1(ioc, ii) != 0) | |
910 | continue; | |
911 | pp1 = ioc->fc_data.fc_port_page1[ii].data; | |
912 | if ((pp1->InitiatorDeviceTimeout == MPTFC_FW_DEVICE_TIMEOUT) | |
913 | && (pp1->InitiatorIoPendTimeout == MPTFC_FW_IO_PEND_TIMEOUT) | |
914 | && ((pp1->Flags & ON_FLAGS) == ON_FLAGS) | |
915 | && ((pp1->Flags & OFF_FLAGS) == 0)) | |
916 | continue; | |
917 | pp1->InitiatorDeviceTimeout = MPTFC_FW_DEVICE_TIMEOUT; | |
918 | pp1->InitiatorIoPendTimeout = MPTFC_FW_IO_PEND_TIMEOUT; | |
919 | pp1->Flags &= ~OFF_FLAGS; | |
920 | pp1->Flags |= ON_FLAGS; | |
921 | mptfc_WriteFcPortPage1(ioc, ii); | |
922 | } | |
923 | } | |
924 | ||
925 | ||
05e8ec17 MR |
926 | static void |
927 | mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum) | |
928 | { | |
5d947f2b MR |
929 | unsigned class = 0; |
930 | unsigned cos = 0; | |
931 | unsigned speed; | |
932 | unsigned port_type; | |
933 | unsigned port_state; | |
934 | FCPortPage0_t *pp0; | |
935 | struct Scsi_Host *sh; | |
936 | char *sn; | |
05e8ec17 MR |
937 | |
938 | /* don't know what to do as only one scsi (fc) host was allocated */ | |
939 | if (portnum != 0) | |
940 | return; | |
941 | ||
5d947f2b MR |
942 | pp0 = &ioc->fc_port_page0[portnum]; |
943 | sh = ioc->sh; | |
944 | ||
945 | sn = fc_host_symbolic_name(sh); | |
946 | snprintf(sn, FC_SYMBOLIC_NAME_SIZE, "%s %s%08xh", | |
947 | ioc->prod_name, | |
948 | MPT_FW_REV_MAGIC_ID_STRING, | |
949 | ioc->facts.FWVersion.Word); | |
950 | ||
951 | fc_host_tgtid_bind_type(sh) = FC_TGTID_BIND_BY_WWPN; | |
952 | ||
953 | fc_host_maxframe_size(sh) = pp0->MaxFrameSize; | |
954 | ||
955 | fc_host_node_name(sh) = | |
956 | (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low; | |
957 | ||
958 | fc_host_port_name(sh) = | |
959 | (u64)pp0->WWPN.High << 32 | (u64)pp0->WWPN.Low; | |
960 | ||
961 | fc_host_port_id(sh) = pp0->PortIdentifier; | |
962 | ||
963 | class = pp0->SupportedServiceClass; | |
05e8ec17 MR |
964 | if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_1) |
965 | cos |= FC_COS_CLASS1; | |
966 | if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_2) | |
967 | cos |= FC_COS_CLASS2; | |
968 | if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_3) | |
969 | cos |= FC_COS_CLASS3; | |
5d947f2b MR |
970 | fc_host_supported_classes(sh) = cos; |
971 | ||
972 | if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT) | |
973 | speed = FC_PORTSPEED_1GBIT; | |
974 | else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT) | |
975 | speed = FC_PORTSPEED_2GBIT; | |
976 | else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT) | |
977 | speed = FC_PORTSPEED_4GBIT; | |
978 | else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_10GBIT) | |
979 | speed = FC_PORTSPEED_10GBIT; | |
980 | else | |
981 | speed = FC_PORTSPEED_UNKNOWN; | |
982 | fc_host_speed(sh) = speed; | |
983 | ||
984 | speed = 0; | |
985 | if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_1GBIT_SPEED) | |
986 | speed |= FC_PORTSPEED_1GBIT; | |
987 | if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_2GBIT_SPEED) | |
988 | speed |= FC_PORTSPEED_2GBIT; | |
989 | if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_4GBIT_SPEED) | |
990 | speed |= FC_PORTSPEED_4GBIT; | |
991 | if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_10GBIT_SPEED) | |
992 | speed |= FC_PORTSPEED_10GBIT; | |
993 | fc_host_supported_speeds(sh) = speed; | |
994 | ||
995 | port_state = FC_PORTSTATE_UNKNOWN; | |
996 | if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE) | |
997 | port_state = FC_PORTSTATE_ONLINE; | |
998 | else if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_OFFLINE) | |
999 | port_state = FC_PORTSTATE_LINKDOWN; | |
1000 | fc_host_port_state(sh) = port_state; | |
1001 | ||
1002 | port_type = FC_PORTTYPE_UNKNOWN; | |
1003 | if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_POINT_TO_POINT) | |
1004 | port_type = FC_PORTTYPE_PTP; | |
1005 | else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PRIVATE_LOOP) | |
1006 | port_type = FC_PORTTYPE_LPORT; | |
1007 | else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PUBLIC_LOOP) | |
1008 | port_type = FC_PORTTYPE_NLPORT; | |
1009 | else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_FABRIC_DIRECT) | |
1010 | port_type = FC_PORTTYPE_NPORT; | |
1011 | fc_host_port_type(sh) = port_type; | |
1012 | ||
1013 | fc_host_fabric_name(sh) = | |
1014 | (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_FABRIC_WWN_VALID) ? | |
1015 | (u64) pp0->FabricWWNN.High << 32 | (u64) pp0->FabricWWPN.Low : | |
1016 | (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low; | |
05e8ec17 | 1017 | |
05e8ec17 MR |
1018 | } |
1019 | ||
419835e2 | 1020 | static void |
c4028958 | 1021 | mptfc_setup_reset(struct work_struct *work) |
419835e2 | 1022 | { |
c4028958 DH |
1023 | MPT_ADAPTER *ioc = |
1024 | container_of(work, MPT_ADAPTER, fc_setup_reset_work); | |
419835e2 MR |
1025 | u64 pn; |
1026 | struct mptfc_rport_info *ri; | |
1027 | ||
1028 | /* reset about to happen, delete (block) all rports */ | |
1029 | list_for_each_entry(ri, &ioc->fc_rports, list) { | |
1030 | if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) { | |
1031 | ri->flags &= ~MPT_RPORT_INFO_FLAGS_REGISTERED; | |
1032 | fc_remote_port_delete(ri->rport); /* won't sleep */ | |
1033 | ri->rport = NULL; | |
1034 | ||
1035 | pn = (u64)ri->pg0.WWPN.High << 32 | | |
1036 | (u64)ri->pg0.WWPN.Low; | |
1037 | dfcprintk ((MYIOC_s_INFO_FMT | |
1038 | "mptfc_setup_reset.%d: %llx deleted\n", | |
1039 | ioc->name, | |
1040 | ioc->sh->host_no, | |
1041 | (unsigned long long)pn)); | |
1042 | } | |
1043 | } | |
1044 | } | |
1045 | ||
05e8ec17 | 1046 | static void |
c4028958 | 1047 | mptfc_rescan_devices(struct work_struct *work) |
05e8ec17 | 1048 | { |
c4028958 DH |
1049 | MPT_ADAPTER *ioc = |
1050 | container_of(work, MPT_ADAPTER, fc_rescan_work); | |
05e8ec17 | 1051 | int ii; |
65207fed | 1052 | u64 pn; |
05e8ec17 MR |
1053 | struct mptfc_rport_info *ri; |
1054 | ||
3a0c56d8 MR |
1055 | /* start by tagging all ports as missing */ |
1056 | list_for_each_entry(ri, &ioc->fc_rports, list) { | |
1057 | if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) { | |
1058 | ri->flags |= MPT_RPORT_INFO_FLAGS_MISSING; | |
05e8ec17 | 1059 | } |
3a0c56d8 | 1060 | } |
05e8ec17 | 1061 | |
3a0c56d8 MR |
1062 | /* |
1063 | * now rescan devices known to adapter, | |
1064 | * will reregister existing rports | |
1065 | */ | |
1066 | for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) { | |
1067 | (void) mptfc_GetFcPortPage0(ioc, ii); | |
1068 | mptfc_init_host_attr(ioc, ii); /* refresh */ | |
1069 | mptfc_GetFcDevPage0(ioc, ii, mptfc_register_dev); | |
1070 | } | |
05e8ec17 | 1071 | |
3a0c56d8 MR |
1072 | /* delete devices still missing */ |
1073 | list_for_each_entry(ri, &ioc->fc_rports, list) { | |
1074 | /* if newly missing, delete it */ | |
1075 | if (ri->flags & MPT_RPORT_INFO_FLAGS_MISSING) { | |
05e8ec17 | 1076 | |
3a0c56d8 MR |
1077 | ri->flags &= ~(MPT_RPORT_INFO_FLAGS_REGISTERED| |
1078 | MPT_RPORT_INFO_FLAGS_MISSING); | |
1079 | fc_remote_port_delete(ri->rport); /* won't sleep */ | |
1080 | ri->rport = NULL; | |
65207fed | 1081 | |
3a0c56d8 MR |
1082 | pn = (u64)ri->pg0.WWPN.High << 32 | |
1083 | (u64)ri->pg0.WWPN.Low; | |
1084 | dfcprintk ((MYIOC_s_INFO_FMT | |
1085 | "mptfc_rescan.%d: %llx deleted\n", | |
1086 | ioc->name, | |
1087 | ioc->sh->host_no, | |
1088 | (unsigned long long)pn)); | |
05e8ec17 | 1089 | } |
3a0c56d8 | 1090 | } |
05e8ec17 MR |
1091 | } |
1092 | ||
2496af39 MED |
1093 | static int |
1094 | mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id) | |
1095 | { | |
1096 | struct Scsi_Host *sh; | |
1097 | MPT_SCSI_HOST *hd; | |
1098 | MPT_ADAPTER *ioc; | |
1099 | unsigned long flags; | |
1ca00bb7 | 1100 | int ii; |
2496af39 MED |
1101 | int numSGE = 0; |
1102 | int scale; | |
1103 | int ioc_cap; | |
2496af39 MED |
1104 | int error=0; |
1105 | int r; | |
05e8ec17 | 1106 | |
2496af39 MED |
1107 | if ((r = mpt_attach(pdev,id)) != 0) |
1108 | return r; | |
05e8ec17 | 1109 | |
2496af39 | 1110 | ioc = pci_get_drvdata(pdev); |
d335cc38 MED |
1111 | ioc->DoneCtx = mptfcDoneCtx; |
1112 | ioc->TaskCtx = mptfcTaskCtx; | |
1113 | ioc->InternalCtx = mptfcInternalCtx; | |
2496af39 MED |
1114 | |
1115 | /* Added sanity check on readiness of the MPT adapter. | |
1116 | */ | |
1117 | if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) { | |
1118 | printk(MYIOC_s_WARN_FMT | |
1119 | "Skipping because it's not operational!\n", | |
1120 | ioc->name); | |
7acec1e7 MED |
1121 | error = -ENODEV; |
1122 | goto out_mptfc_probe; | |
2496af39 MED |
1123 | } |
1124 | ||
1125 | if (!ioc->active) { | |
1126 | printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n", | |
1127 | ioc->name); | |
7acec1e7 MED |
1128 | error = -ENODEV; |
1129 | goto out_mptfc_probe; | |
2496af39 MED |
1130 | } |
1131 | ||
1132 | /* Sanity check - ensure at least 1 port is INITIATOR capable | |
1133 | */ | |
1134 | ioc_cap = 0; | |
1135 | for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) { | |
1136 | if (ioc->pfacts[ii].ProtocolFlags & | |
1137 | MPI_PORTFACTS_PROTOCOL_INITIATOR) | |
1138 | ioc_cap ++; | |
1139 | } | |
1140 | ||
1141 | if (!ioc_cap) { | |
1142 | printk(MYIOC_s_WARN_FMT | |
1143 | "Skipping ioc=%p because SCSI Initiator mode is NOT enabled!\n", | |
1144 | ioc->name, ioc); | |
05e8ec17 | 1145 | return -ENODEV; |
2496af39 MED |
1146 | } |
1147 | ||
1148 | sh = scsi_host_alloc(&mptfc_driver_template, sizeof(MPT_SCSI_HOST)); | |
1149 | ||
1150 | if (!sh) { | |
1151 | printk(MYIOC_s_WARN_FMT | |
1152 | "Unable to register controller with SCSI subsystem\n", | |
1153 | ioc->name); | |
7acec1e7 MED |
1154 | error = -1; |
1155 | goto out_mptfc_probe; | |
2496af39 MED |
1156 | } |
1157 | ||
80d3ac77 | 1158 | spin_lock_init(&ioc->fc_rescan_work_lock); |
c4028958 DH |
1159 | INIT_WORK(&ioc->fc_rescan_work, mptfc_rescan_devices); |
1160 | INIT_WORK(&ioc->fc_setup_reset_work, mptfc_setup_reset); | |
05e8ec17 | 1161 | |
2496af39 MED |
1162 | spin_lock_irqsave(&ioc->FreeQlock, flags); |
1163 | ||
1164 | /* Attach the SCSI Host to the IOC structure | |
1165 | */ | |
1166 | ioc->sh = sh; | |
1167 | ||
1168 | sh->io_port = 0; | |
1169 | sh->n_io_port = 0; | |
1170 | sh->irq = 0; | |
1171 | ||
1172 | /* set 16 byte cdb's */ | |
1173 | sh->max_cmd_len = 16; | |
1174 | ||
1175 | sh->max_id = MPT_MAX_FC_DEVICES<256 ? MPT_MAX_FC_DEVICES : 255; | |
1176 | ||
1177 | sh->max_lun = MPT_LAST_LUN + 1; | |
1178 | sh->max_channel = 0; | |
1179 | sh->this_id = ioc->pfacts[0].PortSCSIID; | |
1180 | ||
1181 | /* Required entry. | |
1182 | */ | |
1183 | sh->unique_id = ioc->id; | |
1184 | ||
1185 | /* Verify that we won't exceed the maximum | |
1186 | * number of chain buffers | |
1187 | * We can optimize: ZZ = req_sz/sizeof(SGE) | |
1188 | * For 32bit SGE's: | |
1189 | * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ | |
1190 | * + (req_sz - 64)/sizeof(SGE) | |
1191 | * A slightly different algorithm is required for | |
1192 | * 64bit SGEs. | |
1193 | */ | |
1194 | scale = ioc->req_sz/(sizeof(dma_addr_t) + sizeof(u32)); | |
1195 | if (sizeof(dma_addr_t) == sizeof(u64)) { | |
1196 | numSGE = (scale - 1) * | |
1197 | (ioc->facts.MaxChainDepth-1) + scale + | |
1198 | (ioc->req_sz - 60) / (sizeof(dma_addr_t) + | |
1199 | sizeof(u32)); | |
1200 | } else { | |
1201 | numSGE = 1 + (scale - 1) * | |
1202 | (ioc->facts.MaxChainDepth-1) + scale + | |
1203 | (ioc->req_sz - 64) / (sizeof(dma_addr_t) + | |
1204 | sizeof(u32)); | |
1205 | } | |
1206 | ||
1207 | if (numSGE < sh->sg_tablesize) { | |
1208 | /* Reset this value */ | |
1209 | dprintk((MYIOC_s_INFO_FMT | |
1210 | "Resetting sg_tablesize to %d from %d\n", | |
1211 | ioc->name, numSGE, sh->sg_tablesize)); | |
1212 | sh->sg_tablesize = numSGE; | |
1213 | } | |
1214 | ||
2496af39 MED |
1215 | spin_unlock_irqrestore(&ioc->FreeQlock, flags); |
1216 | ||
1217 | hd = (MPT_SCSI_HOST *) sh->hostdata; | |
1218 | hd->ioc = ioc; | |
1219 | ||
1220 | /* SCSI needs scsi_cmnd lookup table! | |
1221 | * (with size equal to req_depth*PtrSz!) | |
1222 | */ | |
1ca00bb7 CH |
1223 | hd->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC); |
1224 | if (!hd->ScsiLookup) { | |
2496af39 | 1225 | error = -ENOMEM; |
7acec1e7 | 1226 | goto out_mptfc_probe; |
2496af39 MED |
1227 | } |
1228 | ||
1ca00bb7 CH |
1229 | dprintk((MYIOC_s_INFO_FMT "ScsiLookup @ %p\n", |
1230 | ioc->name, hd->ScsiLookup)); | |
2496af39 MED |
1231 | |
1232 | /* Allocate memory for the device structures. | |
1233 | * A non-Null pointer at an offset | |
1234 | * indicates a device exists. | |
1235 | * max_id = 1 + maximum id (hosts.h) | |
1236 | */ | |
1ca00bb7 CH |
1237 | hd->Targets = kcalloc(sh->max_id, sizeof(void *), GFP_ATOMIC); |
1238 | if (!hd->Targets) { | |
2496af39 | 1239 | error = -ENOMEM; |
7acec1e7 | 1240 | goto out_mptfc_probe; |
2496af39 MED |
1241 | } |
1242 | ||
1ca00bb7 | 1243 | dprintk((KERN_INFO " vdev @ %p\n", hd->Targets)); |
2496af39 MED |
1244 | |
1245 | /* Clear the TM flags | |
1246 | */ | |
1247 | hd->tmPending = 0; | |
1248 | hd->tmState = TM_STATE_NONE; | |
1249 | hd->resetPending = 0; | |
1250 | hd->abortSCpnt = NULL; | |
1251 | ||
1252 | /* Clear the pointer used to store | |
1253 | * single-threaded commands, i.e., those | |
1254 | * issued during a bus scan, dv and | |
1255 | * configuration pages. | |
1256 | */ | |
1257 | hd->cmdPtr = NULL; | |
1258 | ||
1259 | /* Initialize this SCSI Hosts' timers | |
1260 | * To use, set the timer expires field | |
1261 | * and add_timer | |
1262 | */ | |
1263 | init_timer(&hd->timer); | |
1264 | hd->timer.data = (unsigned long) hd; | |
1265 | hd->timer.function = mptscsih_timer_expired; | |
1266 | ||
2496af39 MED |
1267 | init_waitqueue_head(&hd->scandv_waitq); |
1268 | hd->scandv_wait_done = 0; | |
1269 | hd->last_queue_full = 0; | |
1270 | ||
05e8ec17 | 1271 | sh->transportt = mptfc_transport_template; |
2496af39 MED |
1272 | error = scsi_add_host (sh, &ioc->pcidev->dev); |
1273 | if(error) { | |
1274 | dprintk((KERN_ERR MYNAM | |
1275 | "scsi_add_host failed\n")); | |
7acec1e7 | 1276 | goto out_mptfc_probe; |
2496af39 MED |
1277 | } |
1278 | ||
65207fed ME |
1279 | /* initialize workqueue */ |
1280 | ||
1281 | snprintf(ioc->fc_rescan_work_q_name, KOBJ_NAME_LEN, "mptfc_wq_%d", | |
1282 | sh->host_no); | |
1283 | ioc->fc_rescan_work_q = | |
1284 | create_singlethread_workqueue(ioc->fc_rescan_work_q_name); | |
1285 | if (!ioc->fc_rescan_work_q) | |
1286 | goto out_mptfc_probe; | |
1287 | ||
80d3ac77 MR |
1288 | /* |
1289 | * Pre-fetch FC port WWN and stuff... | |
1290 | * (FCPortPage0_t stuff) | |
1291 | */ | |
1292 | for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) { | |
1293 | (void) mptfc_GetFcPortPage0(ioc, ii); | |
1294 | } | |
ca2f938e | 1295 | mptfc_SetFcPortPage1_defaults(ioc); |
80d3ac77 | 1296 | |
65207fed ME |
1297 | /* |
1298 | * scan for rports - | |
1299 | * by doing it via the workqueue, some locking is eliminated | |
1300 | */ | |
1301 | ||
65207fed ME |
1302 | queue_work(ioc->fc_rescan_work_q, &ioc->fc_rescan_work); |
1303 | flush_workqueue(ioc->fc_rescan_work_q); | |
05e8ec17 | 1304 | |
2496af39 MED |
1305 | return 0; |
1306 | ||
7acec1e7 | 1307 | out_mptfc_probe: |
2496af39 MED |
1308 | |
1309 | mptscsih_remove(pdev); | |
1310 | return error; | |
1311 | } | |
1312 | ||
1313 | static struct pci_driver mptfc_driver = { | |
1314 | .name = "mptfc", | |
1315 | .id_table = mptfc_pci_table, | |
1316 | .probe = mptfc_probe, | |
05e8ec17 | 1317 | .remove = __devexit_p(mptfc_remove), |
d18c3db5 | 1318 | .shutdown = mptscsih_shutdown, |
2496af39 MED |
1319 | #ifdef CONFIG_PM |
1320 | .suspend = mptscsih_suspend, | |
1321 | .resume = mptscsih_resume, | |
1322 | #endif | |
1323 | }; | |
1324 | ||
80d3ac77 MR |
1325 | static int |
1326 | mptfc_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) | |
1327 | { | |
1328 | MPT_SCSI_HOST *hd; | |
1329 | u8 event = le32_to_cpu(pEvReply->Event) & 0xFF; | |
1330 | unsigned long flags; | |
1331 | int rc=1; | |
1332 | ||
1333 | devtverboseprintk((MYIOC_s_INFO_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n", | |
1334 | ioc->name, event)); | |
1335 | ||
1336 | if (ioc->sh == NULL || | |
1337 | ((hd = (MPT_SCSI_HOST *)ioc->sh->hostdata) == NULL)) | |
1338 | return 1; | |
1339 | ||
1340 | switch (event) { | |
1341 | case MPI_EVENT_RESCAN: | |
1342 | spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); | |
1343 | if (ioc->fc_rescan_work_q) { | |
3a0c56d8 MR |
1344 | queue_work(ioc->fc_rescan_work_q, |
1345 | &ioc->fc_rescan_work); | |
80d3ac77 MR |
1346 | } |
1347 | spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); | |
1348 | break; | |
1349 | default: | |
1350 | rc = mptscsih_event_process(ioc,pEvReply); | |
1351 | break; | |
1352 | } | |
1353 | return rc; | |
1354 | } | |
1355 | ||
1356 | static int | |
1357 | mptfc_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) | |
1358 | { | |
1359 | int rc; | |
1360 | unsigned long flags; | |
1361 | ||
1362 | rc = mptscsih_ioc_reset(ioc,reset_phase); | |
1363 | if (rc == 0) | |
1364 | return rc; | |
1365 | ||
1366 | ||
1367 | dtmprintk((KERN_WARNING MYNAM | |
1368 | ": IOC %s_reset routed to FC host driver!\n", | |
1369 | reset_phase==MPT_IOC_SETUP_RESET ? "setup" : ( | |
1370 | reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post"))); | |
1371 | ||
1372 | if (reset_phase == MPT_IOC_SETUP_RESET) { | |
419835e2 MR |
1373 | spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); |
1374 | if (ioc->fc_rescan_work_q) { | |
1375 | queue_work(ioc->fc_rescan_work_q, | |
1376 | &ioc->fc_setup_reset_work); | |
1377 | } | |
1378 | spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); | |
80d3ac77 MR |
1379 | } |
1380 | ||
1381 | else if (reset_phase == MPT_IOC_PRE_RESET) { | |
1382 | } | |
1383 | ||
1384 | else { /* MPT_IOC_POST_RESET */ | |
ca2f938e | 1385 | mptfc_SetFcPortPage1_defaults(ioc); |
80d3ac77 MR |
1386 | spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); |
1387 | if (ioc->fc_rescan_work_q) { | |
3a0c56d8 MR |
1388 | queue_work(ioc->fc_rescan_work_q, |
1389 | &ioc->fc_rescan_work); | |
80d3ac77 MR |
1390 | } |
1391 | spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); | |
1392 | } | |
1393 | return 1; | |
1394 | } | |
1395 | ||
2496af39 MED |
1396 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
1397 | /** | |
1398 | * mptfc_init - Register MPT adapter(s) as SCSI host(s) with | |
1399 | * linux scsi mid-layer. | |
1400 | * | |
1401 | * Returns 0 for success, non-zero for failure. | |
1402 | */ | |
1403 | static int __init | |
1404 | mptfc_init(void) | |
1405 | { | |
05e8ec17 | 1406 | int error; |
2496af39 MED |
1407 | |
1408 | show_mptmod_ver(my_NAME, my_VERSION); | |
1409 | ||
ca2f938e MR |
1410 | /* sanity check module parameters */ |
1411 | if (mptfc_dev_loss_tmo <= 0) | |
05e8ec17 MR |
1412 | mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO; |
1413 | ||
1414 | mptfc_transport_template = | |
1415 | fc_attach_transport(&mptfc_transport_functions); | |
1416 | ||
1417 | if (!mptfc_transport_template) | |
1418 | return -ENODEV; | |
1419 | ||
2496af39 MED |
1420 | mptfcDoneCtx = mpt_register(mptscsih_io_done, MPTFC_DRIVER); |
1421 | mptfcTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTFC_DRIVER); | |
1422 | mptfcInternalCtx = mpt_register(mptscsih_scandv_complete, MPTFC_DRIVER); | |
1423 | ||
80d3ac77 | 1424 | if (mpt_event_register(mptfcDoneCtx, mptfc_event_process) == 0) { |
3a892bef | 1425 | devtverboseprintk((KERN_INFO MYNAM |
2496af39 MED |
1426 | ": Registered for IOC event notifications\n")); |
1427 | } | |
1428 | ||
80d3ac77 | 1429 | if (mpt_reset_register(mptfcDoneCtx, mptfc_ioc_reset) == 0) { |
2496af39 MED |
1430 | dprintk((KERN_INFO MYNAM |
1431 | ": Registered for IOC reset notifications\n")); | |
1432 | } | |
1433 | ||
05e8ec17 | 1434 | error = pci_register_driver(&mptfc_driver); |
3bc7bf1d | 1435 | if (error) |
05e8ec17 | 1436 | fc_release_transport(mptfc_transport_template); |
05e8ec17 MR |
1437 | |
1438 | return error; | |
1439 | } | |
1440 | ||
1441 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1442 | /** | |
1443 | * mptfc_remove - Removed fc infrastructure for devices | |
1444 | * @pdev: Pointer to pci_dev structure | |
1445 | * | |
1446 | */ | |
3bc7bf1d MR |
1447 | static void __devexit |
1448 | mptfc_remove(struct pci_dev *pdev) | |
05e8ec17 | 1449 | { |
65207fed ME |
1450 | MPT_ADAPTER *ioc = pci_get_drvdata(pdev); |
1451 | struct mptfc_rport_info *p, *n; | |
1452 | struct workqueue_struct *work_q; | |
1453 | unsigned long flags; | |
ca2f938e | 1454 | int ii; |
65207fed ME |
1455 | |
1456 | /* destroy workqueue */ | |
1457 | if ((work_q=ioc->fc_rescan_work_q)) { | |
1458 | spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); | |
1459 | ioc->fc_rescan_work_q = NULL; | |
1460 | spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); | |
1461 | destroy_workqueue(work_q); | |
1462 | } | |
05e8ec17 MR |
1463 | |
1464 | fc_remove_host(ioc->sh); | |
1465 | ||
1466 | list_for_each_entry_safe(p, n, &ioc->fc_rports, list) { | |
1467 | list_del(&p->list); | |
1468 | kfree(p); | |
1469 | } | |
1470 | ||
ca2f938e MR |
1471 | for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) { |
1472 | if (ioc->fc_data.fc_port_page1[ii].data) { | |
1473 | pci_free_consistent(ioc->pcidev, | |
1474 | ioc->fc_data.fc_port_page1[ii].pg_sz, | |
1475 | (u8 *) ioc->fc_data.fc_port_page1[ii].data, | |
1476 | ioc->fc_data.fc_port_page1[ii].dma); | |
1477 | ioc->fc_data.fc_port_page1[ii].data = NULL; | |
1478 | } | |
1479 | } | |
1480 | ||
05e8ec17 | 1481 | mptscsih_remove(pdev); |
2496af39 MED |
1482 | } |
1483 | ||
1484 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1485 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1486 | /** | |
1487 | * mptfc_exit - Unregisters MPT adapter(s) | |
1488 | * | |
1489 | */ | |
1490 | static void __exit | |
1491 | mptfc_exit(void) | |
1492 | { | |
1493 | pci_unregister_driver(&mptfc_driver); | |
05e8ec17 MR |
1494 | fc_release_transport(mptfc_transport_template); |
1495 | ||
2496af39 MED |
1496 | mpt_reset_deregister(mptfcDoneCtx); |
1497 | dprintk((KERN_INFO MYNAM | |
1498 | ": Deregistered for IOC reset notifications\n")); | |
1499 | ||
1500 | mpt_event_deregister(mptfcDoneCtx); | |
1501 | dprintk((KERN_INFO MYNAM | |
1502 | ": Deregistered for IOC event notifications\n")); | |
1503 | ||
1504 | mpt_deregister(mptfcInternalCtx); | |
1505 | mpt_deregister(mptfcTaskCtx); | |
1506 | mpt_deregister(mptfcDoneCtx); | |
1507 | } | |
1508 | ||
1509 | module_init(mptfc_init); | |
1510 | module_exit(mptfc_exit); |