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2496af39 MED |
1 | /* |
2 | * linux/drivers/message/fusion/mptfc.c | |
f36789e2 PS |
3 | * For use with LSI PCI chip/adapter(s) |
4 | * running LSI Fusion MPT (Message Passing Technology) firmware. | |
2496af39 | 5 | * |
f36789e2 | 6 | * Copyright (c) 1999-2007 LSI Corporation |
16d20101 | 7 | * (mailto:DL-MPTFusionLinux@lsi.com) |
2496af39 MED |
8 | * |
9 | */ | |
10 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
11 | /* | |
12 | This program is free software; you can redistribute it and/or modify | |
13 | it under the terms of the GNU General Public License as published by | |
14 | the Free Software Foundation; version 2 of the License. | |
15 | ||
16 | This program is distributed in the hope that it will be useful, | |
17 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | GNU General Public License for more details. | |
20 | ||
21 | NO WARRANTY | |
22 | THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR | |
23 | CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT | |
24 | LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, | |
25 | MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is | |
26 | solely responsible for determining the appropriateness of using and | |
27 | distributing the Program and assumes all risks associated with its | |
28 | exercise of rights under this Agreement, including but not limited to | |
29 | the risks and costs of program errors, damage to or loss of data, | |
30 | programs or equipment, and unavailability or interruption of operations. | |
31 | ||
32 | DISCLAIMER OF LIABILITY | |
33 | NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY | |
34 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
35 | DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND | |
36 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR | |
37 | TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE | |
38 | USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED | |
39 | HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES | |
40 | ||
41 | You should have received a copy of the GNU General Public License | |
42 | along with this program; if not, write to the Free Software | |
43 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
44 | */ | |
45 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
2496af39 MED |
46 | #include <linux/module.h> |
47 | #include <linux/kernel.h> | |
48 | #include <linux/init.h> | |
49 | #include <linux/errno.h> | |
50 | #include <linux/kdev_t.h> | |
51 | #include <linux/blkdev.h> | |
52 | #include <linux/delay.h> /* for mdelay */ | |
53 | #include <linux/interrupt.h> /* needed for in_interrupt() proto */ | |
54 | #include <linux/reboot.h> /* notifier code */ | |
2496af39 | 55 | #include <linux/workqueue.h> |
05e8ec17 | 56 | #include <linux/sort.h> |
2496af39 MED |
57 | |
58 | #include <scsi/scsi.h> | |
59 | #include <scsi/scsi_cmnd.h> | |
60 | #include <scsi/scsi_device.h> | |
61 | #include <scsi/scsi_host.h> | |
62 | #include <scsi/scsi_tcq.h> | |
05e8ec17 | 63 | #include <scsi/scsi_transport_fc.h> |
2496af39 MED |
64 | |
65 | #include "mptbase.h" | |
66 | #include "mptscsih.h" | |
67 | ||
68 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
69 | #define my_NAME "Fusion MPT FC Host driver" | |
70 | #define my_VERSION MPT_LINUX_VERSION_COMMON | |
71 | #define MYNAM "mptfc" | |
72 | ||
73 | MODULE_AUTHOR(MODULEAUTHOR); | |
74 | MODULE_DESCRIPTION(my_NAME); | |
75 | MODULE_LICENSE("GPL"); | |
9f4203b3 | 76 | MODULE_VERSION(my_VERSION); |
2496af39 MED |
77 | |
78 | /* Command line args */ | |
05e8ec17 MR |
79 | #define MPTFC_DEV_LOSS_TMO (60) |
80 | static int mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO; /* reasonable default */ | |
81 | module_param(mptfc_dev_loss_tmo, int, 0); | |
82 | MODULE_PARM_DESC(mptfc_dev_loss_tmo, " Initial time the driver programs the " | |
83 | " transport to wait for an rport to " | |
84 | " return following a device loss event." | |
85 | " Default=60."); | |
86 | ||
793955f5 EM |
87 | /* scsi-mid layer global parmeter is max_report_luns, which is 511 */ |
88 | #define MPTFC_MAX_LUN (16895) | |
89 | static int max_lun = MPTFC_MAX_LUN; | |
90 | module_param(max_lun, int, 0); | |
91 | MODULE_PARM_DESC(max_lun, " max lun, default=16895 "); | |
92 | ||
f606f571 PS |
93 | static u8 mptfcDoneCtx = MPT_MAX_PROTOCOL_DRIVERS; |
94 | static u8 mptfcTaskCtx = MPT_MAX_PROTOCOL_DRIVERS; | |
95 | static u8 mptfcInternalCtx = MPT_MAX_PROTOCOL_DRIVERS; | |
2496af39 | 96 | |
3bc7bf1d MR |
97 | static int mptfc_target_alloc(struct scsi_target *starget); |
98 | static int mptfc_slave_alloc(struct scsi_device *sdev); | |
05e8ec17 | 99 | static int mptfc_qcmd(struct scsi_cmnd *SCpnt, |
3bc7bf1d MR |
100 | void (*done)(struct scsi_cmnd *)); |
101 | static void mptfc_target_destroy(struct scsi_target *starget); | |
05e8ec17 MR |
102 | static void mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout); |
103 | static void __devexit mptfc_remove(struct pci_dev *pdev); | |
35508e46 MR |
104 | static int mptfc_abort(struct scsi_cmnd *SCpnt); |
105 | static int mptfc_dev_reset(struct scsi_cmnd *SCpnt); | |
106 | static int mptfc_bus_reset(struct scsi_cmnd *SCpnt); | |
107 | static int mptfc_host_reset(struct scsi_cmnd *SCpnt); | |
05e8ec17 | 108 | |
2496af39 | 109 | static struct scsi_host_template mptfc_driver_template = { |
f78496da | 110 | .module = THIS_MODULE, |
2496af39 MED |
111 | .proc_name = "mptfc", |
112 | .proc_info = mptscsih_proc_info, | |
113 | .name = "MPT FC Host", | |
114 | .info = mptscsih_info, | |
05e8ec17 | 115 | .queuecommand = mptfc_qcmd, |
3bc7bf1d | 116 | .target_alloc = mptfc_target_alloc, |
05e8ec17 | 117 | .slave_alloc = mptfc_slave_alloc, |
2496af39 | 118 | .slave_configure = mptscsih_slave_configure, |
3bc7bf1d | 119 | .target_destroy = mptfc_target_destroy, |
2496af39 | 120 | .slave_destroy = mptscsih_slave_destroy, |
6e3815ba | 121 | .change_queue_depth = mptscsih_change_queue_depth, |
35508e46 MR |
122 | .eh_abort_handler = mptfc_abort, |
123 | .eh_device_reset_handler = mptfc_dev_reset, | |
124 | .eh_bus_reset_handler = mptfc_bus_reset, | |
125 | .eh_host_reset_handler = mptfc_host_reset, | |
2496af39 MED |
126 | .bios_param = mptscsih_bios_param, |
127 | .can_queue = MPT_FC_CAN_QUEUE, | |
128 | .this_id = -1, | |
129 | .sg_tablesize = MPT_SCSI_SG_DEPTH, | |
130 | .max_sectors = 8192, | |
131 | .cmd_per_lun = 7, | |
132 | .use_clustering = ENABLE_CLUSTERING, | |
edb9068d | 133 | .shost_attrs = mptscsih_host_attrs, |
2496af39 MED |
134 | }; |
135 | ||
136 | /**************************************************************************** | |
137 | * Supported hardware | |
138 | */ | |
139 | ||
140 | static struct pci_device_id mptfc_pci_table[] = { | |
87cf8986 | 141 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC909, |
2496af39 | 142 | PCI_ANY_ID, PCI_ANY_ID }, |
87cf8986 | 143 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC919, |
2496af39 | 144 | PCI_ANY_ID, PCI_ANY_ID }, |
87cf8986 | 145 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC929, |
2496af39 | 146 | PCI_ANY_ID, PCI_ANY_ID }, |
87cf8986 | 147 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC919X, |
2496af39 | 148 | PCI_ANY_ID, PCI_ANY_ID }, |
87cf8986 | 149 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC929X, |
2496af39 | 150 | PCI_ANY_ID, PCI_ANY_ID }, |
87cf8986 | 151 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC939X, |
3fadc59d | 152 | PCI_ANY_ID, PCI_ANY_ID }, |
87cf8986 | 153 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC949X, |
3fadc59d | 154 | PCI_ANY_ID, PCI_ANY_ID }, |
87cf8986 | 155 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC949E, |
6d5b0c31 | 156 | PCI_ANY_ID, PCI_ANY_ID }, |
ef1d8df7 PS |
157 | { PCI_VENDOR_ID_BROCADE, MPI_MANUFACTPAGE_DEVICEID_FC949E, |
158 | PCI_ANY_ID, PCI_ANY_ID }, | |
2496af39 MED |
159 | {0} /* Terminating entry */ |
160 | }; | |
161 | MODULE_DEVICE_TABLE(pci, mptfc_pci_table); | |
162 | ||
05e8ec17 MR |
163 | static struct scsi_transport_template *mptfc_transport_template = NULL; |
164 | ||
03fbcbcd | 165 | static struct fc_function_template mptfc_transport_functions = { |
05e8ec17 MR |
166 | .dd_fcrport_size = 8, |
167 | .show_host_node_name = 1, | |
168 | .show_host_port_name = 1, | |
169 | .show_host_supported_classes = 1, | |
170 | .show_host_port_id = 1, | |
171 | .show_rport_supported_classes = 1, | |
172 | .show_starget_node_name = 1, | |
173 | .show_starget_port_name = 1, | |
174 | .show_starget_port_id = 1, | |
175 | .set_rport_dev_loss_tmo = mptfc_set_rport_loss_tmo, | |
176 | .show_rport_dev_loss_tmo = 1, | |
5d947f2b MR |
177 | .show_host_supported_speeds = 1, |
178 | .show_host_maxframe_size = 1, | |
179 | .show_host_speed = 1, | |
180 | .show_host_fabric_name = 1, | |
181 | .show_host_port_type = 1, | |
182 | .show_host_port_state = 1, | |
183 | .show_host_symbolic_name = 1, | |
05e8ec17 MR |
184 | }; |
185 | ||
35508e46 MR |
186 | static int |
187 | mptfc_block_error_handler(struct scsi_cmnd *SCpnt, | |
188 | int (*func)(struct scsi_cmnd *SCpnt), | |
189 | const char *caller) | |
190 | { | |
d6ecdd63 | 191 | MPT_SCSI_HOST *hd; |
35508e46 MR |
192 | struct scsi_device *sdev = SCpnt->device; |
193 | struct Scsi_Host *shost = sdev->host; | |
194 | struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); | |
195 | unsigned long flags; | |
196 | int ready; | |
197 | ||
d6ecdd63 | 198 | hd = (MPT_SCSI_HOST *) SCpnt->device->host->hostdata; |
35508e46 MR |
199 | spin_lock_irqsave(shost->host_lock, flags); |
200 | while ((ready = fc_remote_port_chkready(rport) >> 16) == DID_IMM_RETRY) { | |
201 | spin_unlock_irqrestore(shost->host_lock, flags); | |
d6ecdd63 | 202 | dfcprintk (hd->ioc, printk(MYIOC_s_DEBUG_FMT |
35508e46 MR |
203 | "mptfc_block_error_handler.%d: %d:%d, port status is " |
204 | "DID_IMM_RETRY, deferring %s recovery.\n", | |
205 | ((MPT_SCSI_HOST *) shost->hostdata)->ioc->name, | |
206 | ((MPT_SCSI_HOST *) shost->hostdata)->ioc->sh->host_no, | |
207 | SCpnt->device->id,SCpnt->device->lun,caller)); | |
208 | msleep(1000); | |
209 | spin_lock_irqsave(shost->host_lock, flags); | |
210 | } | |
211 | spin_unlock_irqrestore(shost->host_lock, flags); | |
212 | ||
213 | if (ready == DID_NO_CONNECT || !SCpnt->device->hostdata) { | |
d6ecdd63 | 214 | dfcprintk (hd->ioc, printk(MYIOC_s_DEBUG_FMT |
35508e46 MR |
215 | "%s.%d: %d:%d, failing recovery, " |
216 | "port state %d, vdev %p.\n", caller, | |
217 | ((MPT_SCSI_HOST *) shost->hostdata)->ioc->name, | |
218 | ((MPT_SCSI_HOST *) shost->hostdata)->ioc->sh->host_no, | |
219 | SCpnt->device->id,SCpnt->device->lun,ready, | |
220 | SCpnt->device->hostdata)); | |
221 | return FAILED; | |
222 | } | |
d6ecdd63 | 223 | dfcprintk (hd->ioc, printk(MYIOC_s_DEBUG_FMT |
35508e46 MR |
224 | "%s.%d: %d:%d, executing recovery.\n", caller, |
225 | ((MPT_SCSI_HOST *) shost->hostdata)->ioc->name, | |
226 | ((MPT_SCSI_HOST *) shost->hostdata)->ioc->sh->host_no, | |
227 | SCpnt->device->id,SCpnt->device->lun)); | |
228 | return (*func)(SCpnt); | |
229 | } | |
230 | ||
231 | static int | |
232 | mptfc_abort(struct scsi_cmnd *SCpnt) | |
233 | { | |
234 | return | |
235 | mptfc_block_error_handler(SCpnt, mptscsih_abort, __FUNCTION__); | |
236 | } | |
237 | ||
238 | static int | |
239 | mptfc_dev_reset(struct scsi_cmnd *SCpnt) | |
240 | { | |
241 | return | |
242 | mptfc_block_error_handler(SCpnt, mptscsih_dev_reset, __FUNCTION__); | |
243 | } | |
244 | ||
245 | static int | |
246 | mptfc_bus_reset(struct scsi_cmnd *SCpnt) | |
247 | { | |
248 | return | |
249 | mptfc_block_error_handler(SCpnt, mptscsih_bus_reset, __FUNCTION__); | |
250 | } | |
251 | ||
252 | static int | |
253 | mptfc_host_reset(struct scsi_cmnd *SCpnt) | |
254 | { | |
255 | return | |
256 | mptfc_block_error_handler(SCpnt, mptscsih_host_reset, __FUNCTION__); | |
257 | } | |
258 | ||
05e8ec17 MR |
259 | static void |
260 | mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) | |
261 | { | |
262 | if (timeout > 0) | |
263 | rport->dev_loss_tmo = timeout; | |
264 | else | |
265 | rport->dev_loss_tmo = mptfc_dev_loss_tmo; | |
266 | } | |
267 | ||
268 | static int | |
269 | mptfc_FcDevPage0_cmp_func(const void *a, const void *b) | |
270 | { | |
271 | FCDevicePage0_t **aa = (FCDevicePage0_t **)a; | |
272 | FCDevicePage0_t **bb = (FCDevicePage0_t **)b; | |
273 | ||
274 | if ((*aa)->CurrentBus == (*bb)->CurrentBus) { | |
275 | if ((*aa)->CurrentTargetID == (*bb)->CurrentTargetID) | |
276 | return 0; | |
277 | if ((*aa)->CurrentTargetID < (*bb)->CurrentTargetID) | |
278 | return -1; | |
279 | return 1; | |
280 | } | |
281 | if ((*aa)->CurrentBus < (*bb)->CurrentBus) | |
282 | return -1; | |
283 | return 1; | |
284 | } | |
285 | ||
286 | static int | |
287 | mptfc_GetFcDevPage0(MPT_ADAPTER *ioc, int ioc_port, | |
288 | void(*func)(MPT_ADAPTER *ioc,int channel, FCDevicePage0_t *arg)) | |
289 | { | |
290 | ConfigPageHeader_t hdr; | |
291 | CONFIGPARMS cfg; | |
292 | FCDevicePage0_t *ppage0_alloc, *fc; | |
293 | dma_addr_t page0_dma; | |
294 | int data_sz; | |
295 | int ii; | |
296 | ||
297 | FCDevicePage0_t *p0_array=NULL, *p_p0; | |
298 | FCDevicePage0_t **pp0_array=NULL, **p_pp0; | |
299 | ||
300 | int rc = -ENOMEM; | |
301 | U32 port_id = 0xffffff; | |
302 | int num_targ = 0; | |
303 | int max_bus = ioc->facts.MaxBuses; | |
793955f5 | 304 | int max_targ; |
05e8ec17 | 305 | |
793955f5 | 306 | max_targ = (ioc->facts.MaxDevices == 0) ? 256 : ioc->facts.MaxDevices; |
05e8ec17 MR |
307 | |
308 | data_sz = sizeof(FCDevicePage0_t) * max_bus * max_targ; | |
309 | p_p0 = p0_array = kzalloc(data_sz, GFP_KERNEL); | |
310 | if (!p0_array) | |
311 | goto out; | |
312 | ||
313 | data_sz = sizeof(FCDevicePage0_t *) * max_bus * max_targ; | |
314 | p_pp0 = pp0_array = kzalloc(data_sz, GFP_KERNEL); | |
315 | if (!pp0_array) | |
316 | goto out; | |
317 | ||
318 | do { | |
319 | /* Get FC Device Page 0 header */ | |
320 | hdr.PageVersion = 0; | |
321 | hdr.PageLength = 0; | |
322 | hdr.PageNumber = 0; | |
323 | hdr.PageType = MPI_CONFIG_PAGETYPE_FC_DEVICE; | |
324 | cfg.cfghdr.hdr = &hdr; | |
325 | cfg.physAddr = -1; | |
326 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | |
327 | cfg.dir = 0; | |
328 | cfg.pageAddr = port_id; | |
329 | cfg.timeout = 0; | |
330 | ||
331 | if ((rc = mpt_config(ioc, &cfg)) != 0) | |
332 | break; | |
333 | ||
334 | if (hdr.PageLength <= 0) | |
335 | break; | |
336 | ||
337 | data_sz = hdr.PageLength * 4; | |
338 | ppage0_alloc = pci_alloc_consistent(ioc->pcidev, data_sz, | |
339 | &page0_dma); | |
340 | rc = -ENOMEM; | |
341 | if (!ppage0_alloc) | |
342 | break; | |
343 | ||
344 | cfg.physAddr = page0_dma; | |
345 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | |
346 | ||
347 | if ((rc = mpt_config(ioc, &cfg)) == 0) { | |
348 | ppage0_alloc->PortIdentifier = | |
349 | le32_to_cpu(ppage0_alloc->PortIdentifier); | |
350 | ||
351 | ppage0_alloc->WWNN.Low = | |
352 | le32_to_cpu(ppage0_alloc->WWNN.Low); | |
353 | ||
354 | ppage0_alloc->WWNN.High = | |
355 | le32_to_cpu(ppage0_alloc->WWNN.High); | |
356 | ||
357 | ppage0_alloc->WWPN.Low = | |
358 | le32_to_cpu(ppage0_alloc->WWPN.Low); | |
359 | ||
360 | ppage0_alloc->WWPN.High = | |
361 | le32_to_cpu(ppage0_alloc->WWPN.High); | |
362 | ||
363 | ppage0_alloc->BBCredit = | |
364 | le16_to_cpu(ppage0_alloc->BBCredit); | |
365 | ||
366 | ppage0_alloc->MaxRxFrameSize = | |
367 | le16_to_cpu(ppage0_alloc->MaxRxFrameSize); | |
368 | ||
369 | port_id = ppage0_alloc->PortIdentifier; | |
370 | num_targ++; | |
371 | *p_p0 = *ppage0_alloc; /* save data */ | |
372 | *p_pp0++ = p_p0++; /* save addr */ | |
373 | } | |
374 | pci_free_consistent(ioc->pcidev, data_sz, | |
375 | (u8 *) ppage0_alloc, page0_dma); | |
376 | if (rc != 0) | |
377 | break; | |
378 | ||
379 | } while (port_id <= 0xff0000); | |
380 | ||
381 | if (num_targ) { | |
382 | /* sort array */ | |
383 | if (num_targ > 1) | |
384 | sort (pp0_array, num_targ, sizeof(FCDevicePage0_t *), | |
385 | mptfc_FcDevPage0_cmp_func, NULL); | |
386 | /* call caller's func for each targ */ | |
387 | for (ii = 0; ii < num_targ; ii++) { | |
388 | fc = *(pp0_array+ii); | |
389 | func(ioc, ioc_port, fc); | |
390 | } | |
391 | } | |
392 | ||
393 | out: | |
8f760780 JJ |
394 | kfree(pp0_array); |
395 | kfree(p0_array); | |
05e8ec17 MR |
396 | return rc; |
397 | } | |
398 | ||
399 | static int | |
400 | mptfc_generate_rport_ids(FCDevicePage0_t *pg0, struct fc_rport_identifiers *rid) | |
401 | { | |
402 | /* not currently usable */ | |
403 | if (pg0->Flags & (MPI_FC_DEVICE_PAGE0_FLAGS_PLOGI_INVALID | | |
404 | MPI_FC_DEVICE_PAGE0_FLAGS_PRLI_INVALID)) | |
405 | return -1; | |
406 | ||
407 | if (!(pg0->Flags & MPI_FC_DEVICE_PAGE0_FLAGS_TARGETID_BUS_VALID)) | |
408 | return -1; | |
409 | ||
410 | if (!(pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_TARGET)) | |
411 | return -1; | |
412 | ||
413 | /* | |
414 | * board data structure already normalized to platform endianness | |
415 | * shifted to avoid unaligned access on 64 bit architecture | |
416 | */ | |
417 | rid->node_name = ((u64)pg0->WWNN.High) << 32 | (u64)pg0->WWNN.Low; | |
418 | rid->port_name = ((u64)pg0->WWPN.High) << 32 | (u64)pg0->WWPN.Low; | |
419 | rid->port_id = pg0->PortIdentifier; | |
420 | rid->roles = FC_RPORT_ROLE_UNKNOWN; | |
05e8ec17 MR |
421 | |
422 | return 0; | |
423 | } | |
424 | ||
425 | static void | |
426 | mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0) | |
427 | { | |
428 | struct fc_rport_identifiers rport_ids; | |
429 | struct fc_rport *rport; | |
430 | struct mptfc_rport_info *ri; | |
3bc7bf1d | 431 | int new_ri = 1; |
65207fed | 432 | u64 pn, nn; |
3bc7bf1d | 433 | VirtTarget *vtarget; |
6dd727da | 434 | u32 roles = FC_RPORT_ROLE_UNKNOWN; |
05e8ec17 MR |
435 | |
436 | if (mptfc_generate_rport_ids(pg0, &rport_ids) < 0) | |
437 | return; | |
438 | ||
6dd727da | 439 | roles |= FC_RPORT_ROLE_FCP_TARGET; |
440 | if (pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_INITIATOR) | |
441 | roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
442 | ||
05e8ec17 | 443 | /* scan list looking for a match */ |
05e8ec17 | 444 | list_for_each_entry(ri, &ioc->fc_rports, list) { |
3bc7bf1d MR |
445 | pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low; |
446 | if (pn == rport_ids.port_name) { /* match */ | |
05e8ec17 | 447 | list_move_tail(&ri->list, &ioc->fc_rports); |
3bc7bf1d | 448 | new_ri = 0; |
05e8ec17 MR |
449 | break; |
450 | } | |
451 | } | |
3bc7bf1d | 452 | if (new_ri) { /* allocate one */ |
05e8ec17 MR |
453 | ri = kzalloc(sizeof(struct mptfc_rport_info), GFP_KERNEL); |
454 | if (!ri) | |
455 | return; | |
05e8ec17 MR |
456 | list_add_tail(&ri->list, &ioc->fc_rports); |
457 | } | |
458 | ||
459 | ri->pg0 = *pg0; /* add/update pg0 data */ | |
460 | ri->flags &= ~MPT_RPORT_INFO_FLAGS_MISSING; | |
461 | ||
3bc7bf1d | 462 | /* MPT_RPORT_INFO_FLAGS_REGISTERED - rport not previously deleted */ |
05e8ec17 MR |
463 | if (!(ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED)) { |
464 | ri->flags |= MPT_RPORT_INFO_FLAGS_REGISTERED; | |
3bc7bf1d | 465 | rport = fc_remote_port_add(ioc->sh, channel, &rport_ids); |
05e8ec17 | 466 | if (rport) { |
3bc7bf1d MR |
467 | ri->rport = rport; |
468 | if (new_ri) /* may have been reset by user */ | |
469 | rport->dev_loss_tmo = mptfc_dev_loss_tmo; | |
05e8ec17 MR |
470 | /* |
471 | * if already mapped, remap here. If not mapped, | |
3bc7bf1d MR |
472 | * target_alloc will allocate vtarget and map, |
473 | * slave_alloc will fill in vdev from vtarget. | |
05e8ec17 | 474 | */ |
3bc7bf1d MR |
475 | if (ri->starget) { |
476 | vtarget = ri->starget->hostdata; | |
477 | if (vtarget) { | |
793955f5 EM |
478 | vtarget->id = pg0->CurrentTargetID; |
479 | vtarget->channel = pg0->CurrentBus; | |
3bc7bf1d | 480 | } |
05e8ec17 | 481 | } |
65207fed | 482 | *((struct mptfc_rport_info **)rport->dd_data) = ri; |
6dd727da | 483 | /* scan will be scheduled once rport becomes a target */ |
484 | fc_remote_port_rolechg(rport,roles); | |
65207fed ME |
485 | |
486 | pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low; | |
487 | nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low; | |
d6ecdd63 | 488 | dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT |
3bc7bf1d | 489 | "mptfc_reg_dev.%d: %x, %llx / %llx, tid %d, " |
05e8ec17 | 490 | "rport tid %d, tmo %d\n", |
3bc7bf1d | 491 | ioc->name, |
914c2d8e | 492 | ioc->sh->host_no, |
05e8ec17 | 493 | pg0->PortIdentifier, |
65207fed ME |
494 | (unsigned long long)nn, |
495 | (unsigned long long)pn, | |
05e8ec17 MR |
496 | pg0->CurrentTargetID, |
497 | ri->rport->scsi_target_id, | |
3bc7bf1d | 498 | ri->rport->dev_loss_tmo)); |
05e8ec17 MR |
499 | } else { |
500 | list_del(&ri->list); | |
501 | kfree(ri); | |
502 | ri = NULL; | |
503 | } | |
504 | } | |
05e8ec17 MR |
505 | } |
506 | ||
3bc7bf1d MR |
507 | /* |
508 | * OS entry point to allow for host driver to free allocated memory | |
509 | * Called if no device present or device being unloaded | |
510 | */ | |
511 | static void | |
512 | mptfc_target_destroy(struct scsi_target *starget) | |
513 | { | |
514 | struct fc_rport *rport; | |
515 | struct mptfc_rport_info *ri; | |
516 | ||
517 | rport = starget_to_rport(starget); | |
518 | if (rport) { | |
519 | ri = *((struct mptfc_rport_info **)rport->dd_data); | |
520 | if (ri) /* better be! */ | |
521 | ri->starget = NULL; | |
522 | } | |
523 | if (starget->hostdata) | |
524 | kfree(starget->hostdata); | |
525 | starget->hostdata = NULL; | |
526 | } | |
527 | ||
528 | /* | |
529 | * OS entry point to allow host driver to alloc memory | |
530 | * for each scsi target. Called once per device the bus scan. | |
531 | * Return non-zero if allocation fails. | |
532 | */ | |
533 | static int | |
534 | mptfc_target_alloc(struct scsi_target *starget) | |
535 | { | |
536 | VirtTarget *vtarget; | |
537 | struct fc_rport *rport; | |
538 | struct mptfc_rport_info *ri; | |
539 | int rc; | |
540 | ||
541 | vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL); | |
542 | if (!vtarget) | |
543 | return -ENOMEM; | |
544 | starget->hostdata = vtarget; | |
545 | ||
546 | rc = -ENODEV; | |
547 | rport = starget_to_rport(starget); | |
548 | if (rport) { | |
549 | ri = *((struct mptfc_rport_info **)rport->dd_data); | |
550 | if (ri) { /* better be! */ | |
793955f5 EM |
551 | vtarget->id = ri->pg0.CurrentTargetID; |
552 | vtarget->channel = ri->pg0.CurrentBus; | |
3bc7bf1d | 553 | ri->starget = starget; |
3bc7bf1d MR |
554 | rc = 0; |
555 | } | |
556 | } | |
557 | if (rc != 0) { | |
558 | kfree(vtarget); | |
559 | starget->hostdata = NULL; | |
560 | } | |
561 | ||
562 | return rc; | |
563 | } | |
d6ecdd63 PS |
564 | /* |
565 | * mptfc_dump_lun_info | |
566 | * @ioc | |
567 | * @rport | |
568 | * @sdev | |
569 | * | |
570 | */ | |
571 | static void | |
572 | mptfc_dump_lun_info(MPT_ADAPTER *ioc, struct fc_rport *rport, struct scsi_device *sdev, | |
573 | VirtTarget *vtarget) | |
574 | { | |
575 | u64 nn, pn; | |
576 | struct mptfc_rport_info *ri; | |
577 | ||
578 | ri = *((struct mptfc_rport_info **)rport->dd_data); | |
579 | pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low; | |
580 | nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low; | |
581 | dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT | |
582 | "mptfc_slv_alloc.%d: num_luns %d, sdev.id %d, " | |
583 | "CurrentTargetID %d, %x %llx %llx\n", | |
584 | ioc->name, | |
585 | sdev->host->host_no, | |
586 | vtarget->num_luns, | |
587 | sdev->id, ri->pg0.CurrentTargetID, | |
588 | ri->pg0.PortIdentifier, | |
589 | (unsigned long long)pn, | |
590 | (unsigned long long)nn)); | |
591 | } | |
592 | ||
3bc7bf1d | 593 | |
2496af39 | 594 | /* |
05e8ec17 MR |
595 | * OS entry point to allow host driver to alloc memory |
596 | * for each scsi device. Called once per device the bus scan. | |
597 | * Return non-zero if allocation fails. | |
598 | * Init memory once per LUN. | |
2496af39 | 599 | */ |
03fbcbcd | 600 | static int |
05e8ec17 MR |
601 | mptfc_slave_alloc(struct scsi_device *sdev) |
602 | { | |
603 | MPT_SCSI_HOST *hd; | |
604 | VirtTarget *vtarget; | |
605 | VirtDevice *vdev; | |
606 | struct scsi_target *starget; | |
607 | struct fc_rport *rport; | |
05e8ec17 MR |
608 | |
609 | ||
65207fed ME |
610 | starget = scsi_target(sdev); |
611 | rport = starget_to_rport(starget); | |
05e8ec17 MR |
612 | |
613 | if (!rport || fc_remote_port_chkready(rport)) | |
614 | return -ENXIO; | |
615 | ||
616 | hd = (MPT_SCSI_HOST *)sdev->host->hostdata; | |
617 | ||
3bc7bf1d | 618 | vdev = kzalloc(sizeof(VirtDevice), GFP_KERNEL); |
05e8ec17 MR |
619 | if (!vdev) { |
620 | printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n", | |
621 | hd->ioc->name, sizeof(VirtDevice)); | |
622 | return -ENOMEM; | |
623 | } | |
05e8ec17 | 624 | |
05e8ec17 | 625 | |
05e8ec17 | 626 | sdev->hostdata = vdev; |
05e8ec17 | 627 | vtarget = starget->hostdata; |
3bc7bf1d | 628 | |
05e8ec17 | 629 | if (vtarget->num_luns == 0) { |
3bc7bf1d | 630 | vtarget->ioc_id = hd->ioc->id; |
ba856d32 | 631 | vtarget->tflags = MPT_TARGET_FLAGS_Q_YES; |
05e8ec17 MR |
632 | } |
633 | ||
05e8ec17 | 634 | vdev->vtarget = vtarget; |
05e8ec17 | 635 | vdev->lun = sdev->lun; |
05e8ec17 | 636 | |
05e8ec17 MR |
637 | vtarget->num_luns++; |
638 | ||
65207fed | 639 | |
d6ecdd63 | 640 | mptfc_dump_lun_info(hd->ioc, rport, sdev, vtarget); |
05e8ec17 MR |
641 | |
642 | return 0; | |
643 | } | |
644 | ||
645 | static int | |
646 | mptfc_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) | |
647 | { | |
3bc7bf1d | 648 | struct mptfc_rport_info *ri; |
05e8ec17 MR |
649 | struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device)); |
650 | int err; | |
793955f5 | 651 | VirtDevice *vdev = SCpnt->device->hostdata; |
05e8ec17 | 652 | |
793955f5 EM |
653 | if (!vdev || !vdev->vtarget) { |
654 | SCpnt->result = DID_NO_CONNECT << 16; | |
05e8ec17 MR |
655 | done(SCpnt); |
656 | return 0; | |
657 | } | |
65207fed | 658 | |
793955f5 EM |
659 | err = fc_remote_port_chkready(rport); |
660 | if (unlikely(err)) { | |
661 | SCpnt->result = err; | |
35508e46 MR |
662 | done(SCpnt); |
663 | return 0; | |
664 | } | |
665 | ||
65207fed | 666 | /* dd_data is null until finished adding target */ |
3bc7bf1d | 667 | ri = *((struct mptfc_rport_info **)rport->dd_data); |
65207fed | 668 | if (unlikely(!ri)) { |
65207fed ME |
669 | SCpnt->result = DID_IMM_RETRY << 16; |
670 | done(SCpnt); | |
671 | return 0; | |
672 | } | |
3bc7bf1d | 673 | |
d6ecdd63 | 674 | return mptscsih_qcmd(SCpnt,done); |
05e8ec17 MR |
675 | } |
676 | ||
eb5329f4 PS |
677 | /* |
678 | * mptfc_display_port_link_speed - displaying link speed | |
679 | * @ioc: Pointer to MPT_ADAPTER structure | |
680 | * @portnum: IOC Port number | |
681 | * @pp0dest: port page0 data payload | |
682 | * | |
683 | */ | |
684 | static void | |
685 | mptfc_display_port_link_speed(MPT_ADAPTER *ioc, int portnum, FCPortPage0_t *pp0dest) | |
686 | { | |
687 | u8 old_speed, new_speed, state; | |
688 | char *old, *new; | |
689 | ||
690 | if (portnum >= 2) | |
691 | return; | |
692 | ||
693 | old_speed = ioc->fc_link_speed[portnum]; | |
694 | new_speed = pp0dest->CurrentSpeed; | |
695 | state = pp0dest->PortState; | |
696 | ||
697 | if (state != MPI_FCPORTPAGE0_PORTSTATE_OFFLINE && | |
698 | new_speed != MPI_FCPORTPAGE0_CURRENT_SPEED_UKNOWN) { | |
699 | ||
700 | old = old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT ? "1 Gbps" : | |
701 | old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT ? "2 Gbps" : | |
702 | old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT ? "4 Gbps" : | |
703 | "Unknown"; | |
704 | new = new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT ? "1 Gbps" : | |
705 | new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT ? "2 Gbps" : | |
706 | new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT ? "4 Gbps" : | |
707 | "Unknown"; | |
708 | if (old_speed == 0) | |
709 | printk(MYIOC_s_NOTE_FMT | |
710 | "FC Link Established, Speed = %s\n", | |
711 | ioc->name, new); | |
712 | else if (old_speed != new_speed) | |
713 | printk(MYIOC_s_WARN_FMT | |
714 | "FC Link Speed Change, Old Speed = %s, New Speed = %s\n", | |
715 | ioc->name, old, new); | |
716 | ||
717 | ioc->fc_link_speed[portnum] = new_speed; | |
718 | } | |
719 | } | |
720 | ||
80d3ac77 MR |
721 | /* |
722 | * mptfc_GetFcPortPage0 - Fetch FCPort config Page0. | |
723 | * @ioc: Pointer to MPT_ADAPTER structure | |
724 | * @portnum: IOC Port number | |
725 | * | |
726 | * Return: 0 for success | |
727 | * -ENOMEM if no memory available | |
728 | * -EPERM if not allowed due to ISR context | |
729 | * -EAGAIN if no msg frames currently available | |
730 | * -EFAULT for non-successful reply or no reply (timeout) | |
731 | * -EINVAL portnum arg out of range (hardwired to two elements) | |
732 | */ | |
733 | static int | |
734 | mptfc_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum) | |
735 | { | |
736 | ConfigPageHeader_t hdr; | |
737 | CONFIGPARMS cfg; | |
738 | FCPortPage0_t *ppage0_alloc; | |
739 | FCPortPage0_t *pp0dest; | |
740 | dma_addr_t page0_dma; | |
741 | int data_sz; | |
742 | int copy_sz; | |
743 | int rc; | |
744 | int count = 400; | |
745 | ||
746 | if (portnum > 1) | |
747 | return -EINVAL; | |
748 | ||
749 | /* Get FCPort Page 0 header */ | |
750 | hdr.PageVersion = 0; | |
751 | hdr.PageLength = 0; | |
752 | hdr.PageNumber = 0; | |
753 | hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT; | |
754 | cfg.cfghdr.hdr = &hdr; | |
755 | cfg.physAddr = -1; | |
756 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | |
757 | cfg.dir = 0; | |
758 | cfg.pageAddr = portnum; | |
759 | cfg.timeout = 0; | |
760 | ||
761 | if ((rc = mpt_config(ioc, &cfg)) != 0) | |
762 | return rc; | |
763 | ||
764 | if (hdr.PageLength == 0) | |
765 | return 0; | |
766 | ||
767 | data_sz = hdr.PageLength * 4; | |
768 | rc = -ENOMEM; | |
769 | ppage0_alloc = (FCPortPage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page0_dma); | |
770 | if (ppage0_alloc) { | |
771 | ||
772 | try_again: | |
773 | memset((u8 *)ppage0_alloc, 0, data_sz); | |
774 | cfg.physAddr = page0_dma; | |
775 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | |
776 | ||
777 | if ((rc = mpt_config(ioc, &cfg)) == 0) { | |
778 | /* save the data */ | |
779 | pp0dest = &ioc->fc_port_page0[portnum]; | |
780 | copy_sz = min_t(int, sizeof(FCPortPage0_t), data_sz); | |
781 | memcpy(pp0dest, ppage0_alloc, copy_sz); | |
782 | ||
783 | /* | |
784 | * Normalize endianness of structure data, | |
785 | * by byte-swapping all > 1 byte fields! | |
786 | */ | |
787 | pp0dest->Flags = le32_to_cpu(pp0dest->Flags); | |
788 | pp0dest->PortIdentifier = le32_to_cpu(pp0dest->PortIdentifier); | |
789 | pp0dest->WWNN.Low = le32_to_cpu(pp0dest->WWNN.Low); | |
790 | pp0dest->WWNN.High = le32_to_cpu(pp0dest->WWNN.High); | |
791 | pp0dest->WWPN.Low = le32_to_cpu(pp0dest->WWPN.Low); | |
792 | pp0dest->WWPN.High = le32_to_cpu(pp0dest->WWPN.High); | |
793 | pp0dest->SupportedServiceClass = le32_to_cpu(pp0dest->SupportedServiceClass); | |
794 | pp0dest->SupportedSpeeds = le32_to_cpu(pp0dest->SupportedSpeeds); | |
795 | pp0dest->CurrentSpeed = le32_to_cpu(pp0dest->CurrentSpeed); | |
796 | pp0dest->MaxFrameSize = le32_to_cpu(pp0dest->MaxFrameSize); | |
797 | pp0dest->FabricWWNN.Low = le32_to_cpu(pp0dest->FabricWWNN.Low); | |
798 | pp0dest->FabricWWNN.High = le32_to_cpu(pp0dest->FabricWWNN.High); | |
799 | pp0dest->FabricWWPN.Low = le32_to_cpu(pp0dest->FabricWWPN.Low); | |
800 | pp0dest->FabricWWPN.High = le32_to_cpu(pp0dest->FabricWWPN.High); | |
801 | pp0dest->DiscoveredPortsCount = le32_to_cpu(pp0dest->DiscoveredPortsCount); | |
802 | pp0dest->MaxInitiators = le32_to_cpu(pp0dest->MaxInitiators); | |
803 | ||
804 | /* | |
805 | * if still doing discovery, | |
806 | * hang loose a while until finished | |
807 | */ | |
77d88ee2 MR |
808 | if ((pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_UNKNOWN) || |
809 | (pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE && | |
810 | (pp0dest->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_TYPE_MASK) | |
811 | == MPI_FCPORTPAGE0_FLAGS_ATTACH_NO_INIT)) { | |
80d3ac77 | 812 | if (count-- > 0) { |
d6be06c8 | 813 | msleep(100); |
80d3ac77 MR |
814 | goto try_again; |
815 | } | |
816 | printk(MYIOC_s_INFO_FMT "Firmware discovery not" | |
817 | " complete.\n", | |
818 | ioc->name); | |
819 | } | |
eb5329f4 | 820 | mptfc_display_port_link_speed(ioc, portnum, pp0dest); |
80d3ac77 MR |
821 | } |
822 | ||
823 | pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage0_alloc, page0_dma); | |
824 | } | |
825 | ||
826 | return rc; | |
827 | } | |
828 | ||
ca2f938e MR |
829 | static int |
830 | mptfc_WriteFcPortPage1(MPT_ADAPTER *ioc, int portnum) | |
831 | { | |
832 | ConfigPageHeader_t hdr; | |
833 | CONFIGPARMS cfg; | |
834 | int rc; | |
835 | ||
836 | if (portnum > 1) | |
837 | return -EINVAL; | |
838 | ||
839 | if (!(ioc->fc_data.fc_port_page1[portnum].data)) | |
840 | return -EINVAL; | |
841 | ||
842 | /* get fcport page 1 header */ | |
843 | hdr.PageVersion = 0; | |
844 | hdr.PageLength = 0; | |
845 | hdr.PageNumber = 1; | |
846 | hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT; | |
847 | cfg.cfghdr.hdr = &hdr; | |
848 | cfg.physAddr = -1; | |
849 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | |
850 | cfg.dir = 0; | |
851 | cfg.pageAddr = portnum; | |
852 | cfg.timeout = 0; | |
853 | ||
854 | if ((rc = mpt_config(ioc, &cfg)) != 0) | |
855 | return rc; | |
856 | ||
857 | if (hdr.PageLength == 0) | |
858 | return -ENODEV; | |
859 | ||
860 | if (hdr.PageLength*4 != ioc->fc_data.fc_port_page1[portnum].pg_sz) | |
861 | return -EINVAL; | |
862 | ||
863 | cfg.physAddr = ioc->fc_data.fc_port_page1[portnum].dma; | |
864 | cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT; | |
865 | cfg.dir = 1; | |
866 | ||
867 | rc = mpt_config(ioc, &cfg); | |
868 | ||
869 | return rc; | |
870 | } | |
871 | ||
872 | static int | |
873 | mptfc_GetFcPortPage1(MPT_ADAPTER *ioc, int portnum) | |
874 | { | |
875 | ConfigPageHeader_t hdr; | |
876 | CONFIGPARMS cfg; | |
877 | FCPortPage1_t *page1_alloc; | |
878 | dma_addr_t page1_dma; | |
879 | int data_sz; | |
880 | int rc; | |
881 | ||
882 | if (portnum > 1) | |
883 | return -EINVAL; | |
884 | ||
885 | /* get fcport page 1 header */ | |
886 | hdr.PageVersion = 0; | |
887 | hdr.PageLength = 0; | |
888 | hdr.PageNumber = 1; | |
889 | hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT; | |
890 | cfg.cfghdr.hdr = &hdr; | |
891 | cfg.physAddr = -1; | |
892 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | |
893 | cfg.dir = 0; | |
894 | cfg.pageAddr = portnum; | |
895 | cfg.timeout = 0; | |
896 | ||
897 | if ((rc = mpt_config(ioc, &cfg)) != 0) | |
898 | return rc; | |
899 | ||
900 | if (hdr.PageLength == 0) | |
901 | return -ENODEV; | |
902 | ||
903 | start_over: | |
904 | ||
905 | if (ioc->fc_data.fc_port_page1[portnum].data == NULL) { | |
906 | data_sz = hdr.PageLength * 4; | |
907 | if (data_sz < sizeof(FCPortPage1_t)) | |
908 | data_sz = sizeof(FCPortPage1_t); | |
909 | ||
910 | page1_alloc = (FCPortPage1_t *) pci_alloc_consistent(ioc->pcidev, | |
911 | data_sz, | |
912 | &page1_dma); | |
913 | if (!page1_alloc) | |
914 | return -ENOMEM; | |
915 | } | |
916 | else { | |
917 | page1_alloc = ioc->fc_data.fc_port_page1[portnum].data; | |
918 | page1_dma = ioc->fc_data.fc_port_page1[portnum].dma; | |
919 | data_sz = ioc->fc_data.fc_port_page1[portnum].pg_sz; | |
920 | if (hdr.PageLength * 4 > data_sz) { | |
921 | ioc->fc_data.fc_port_page1[portnum].data = NULL; | |
922 | pci_free_consistent(ioc->pcidev, data_sz, (u8 *) | |
923 | page1_alloc, page1_dma); | |
924 | goto start_over; | |
925 | } | |
926 | } | |
927 | ||
928 | memset(page1_alloc,0,data_sz); | |
929 | ||
930 | cfg.physAddr = page1_dma; | |
931 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | |
932 | ||
933 | if ((rc = mpt_config(ioc, &cfg)) == 0) { | |
934 | ioc->fc_data.fc_port_page1[portnum].data = page1_alloc; | |
935 | ioc->fc_data.fc_port_page1[portnum].pg_sz = data_sz; | |
936 | ioc->fc_data.fc_port_page1[portnum].dma = page1_dma; | |
937 | } | |
938 | else { | |
939 | ioc->fc_data.fc_port_page1[portnum].data = NULL; | |
940 | pci_free_consistent(ioc->pcidev, data_sz, (u8 *) | |
941 | page1_alloc, page1_dma); | |
942 | } | |
943 | ||
944 | return rc; | |
945 | } | |
946 | ||
947 | static void | |
948 | mptfc_SetFcPortPage1_defaults(MPT_ADAPTER *ioc) | |
949 | { | |
950 | int ii; | |
951 | FCPortPage1_t *pp1; | |
952 | ||
953 | #define MPTFC_FW_DEVICE_TIMEOUT (1) | |
954 | #define MPTFC_FW_IO_PEND_TIMEOUT (1) | |
955 | #define ON_FLAGS (MPI_FCPORTPAGE1_FLAGS_IMMEDIATE_ERROR_REPLY) | |
956 | #define OFF_FLAGS (MPI_FCPORTPAGE1_FLAGS_VERBOSE_RESCAN_EVENTS) | |
957 | ||
958 | for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) { | |
959 | if (mptfc_GetFcPortPage1(ioc, ii) != 0) | |
960 | continue; | |
961 | pp1 = ioc->fc_data.fc_port_page1[ii].data; | |
962 | if ((pp1->InitiatorDeviceTimeout == MPTFC_FW_DEVICE_TIMEOUT) | |
963 | && (pp1->InitiatorIoPendTimeout == MPTFC_FW_IO_PEND_TIMEOUT) | |
964 | && ((pp1->Flags & ON_FLAGS) == ON_FLAGS) | |
965 | && ((pp1->Flags & OFF_FLAGS) == 0)) | |
966 | continue; | |
967 | pp1->InitiatorDeviceTimeout = MPTFC_FW_DEVICE_TIMEOUT; | |
968 | pp1->InitiatorIoPendTimeout = MPTFC_FW_IO_PEND_TIMEOUT; | |
969 | pp1->Flags &= ~OFF_FLAGS; | |
970 | pp1->Flags |= ON_FLAGS; | |
971 | mptfc_WriteFcPortPage1(ioc, ii); | |
972 | } | |
973 | } | |
974 | ||
975 | ||
05e8ec17 MR |
976 | static void |
977 | mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum) | |
978 | { | |
5d947f2b MR |
979 | unsigned class = 0; |
980 | unsigned cos = 0; | |
981 | unsigned speed; | |
982 | unsigned port_type; | |
983 | unsigned port_state; | |
984 | FCPortPage0_t *pp0; | |
985 | struct Scsi_Host *sh; | |
986 | char *sn; | |
05e8ec17 MR |
987 | |
988 | /* don't know what to do as only one scsi (fc) host was allocated */ | |
989 | if (portnum != 0) | |
990 | return; | |
991 | ||
5d947f2b MR |
992 | pp0 = &ioc->fc_port_page0[portnum]; |
993 | sh = ioc->sh; | |
994 | ||
995 | sn = fc_host_symbolic_name(sh); | |
996 | snprintf(sn, FC_SYMBOLIC_NAME_SIZE, "%s %s%08xh", | |
997 | ioc->prod_name, | |
998 | MPT_FW_REV_MAGIC_ID_STRING, | |
999 | ioc->facts.FWVersion.Word); | |
1000 | ||
1001 | fc_host_tgtid_bind_type(sh) = FC_TGTID_BIND_BY_WWPN; | |
1002 | ||
1003 | fc_host_maxframe_size(sh) = pp0->MaxFrameSize; | |
1004 | ||
1005 | fc_host_node_name(sh) = | |
1006 | (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low; | |
1007 | ||
1008 | fc_host_port_name(sh) = | |
1009 | (u64)pp0->WWPN.High << 32 | (u64)pp0->WWPN.Low; | |
1010 | ||
1011 | fc_host_port_id(sh) = pp0->PortIdentifier; | |
1012 | ||
1013 | class = pp0->SupportedServiceClass; | |
05e8ec17 MR |
1014 | if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_1) |
1015 | cos |= FC_COS_CLASS1; | |
1016 | if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_2) | |
1017 | cos |= FC_COS_CLASS2; | |
1018 | if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_3) | |
1019 | cos |= FC_COS_CLASS3; | |
5d947f2b MR |
1020 | fc_host_supported_classes(sh) = cos; |
1021 | ||
1022 | if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT) | |
1023 | speed = FC_PORTSPEED_1GBIT; | |
1024 | else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT) | |
1025 | speed = FC_PORTSPEED_2GBIT; | |
1026 | else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT) | |
1027 | speed = FC_PORTSPEED_4GBIT; | |
1028 | else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_10GBIT) | |
1029 | speed = FC_PORTSPEED_10GBIT; | |
1030 | else | |
1031 | speed = FC_PORTSPEED_UNKNOWN; | |
1032 | fc_host_speed(sh) = speed; | |
1033 | ||
1034 | speed = 0; | |
1035 | if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_1GBIT_SPEED) | |
1036 | speed |= FC_PORTSPEED_1GBIT; | |
1037 | if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_2GBIT_SPEED) | |
1038 | speed |= FC_PORTSPEED_2GBIT; | |
1039 | if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_4GBIT_SPEED) | |
1040 | speed |= FC_PORTSPEED_4GBIT; | |
1041 | if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_10GBIT_SPEED) | |
1042 | speed |= FC_PORTSPEED_10GBIT; | |
1043 | fc_host_supported_speeds(sh) = speed; | |
1044 | ||
1045 | port_state = FC_PORTSTATE_UNKNOWN; | |
1046 | if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE) | |
1047 | port_state = FC_PORTSTATE_ONLINE; | |
1048 | else if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_OFFLINE) | |
1049 | port_state = FC_PORTSTATE_LINKDOWN; | |
1050 | fc_host_port_state(sh) = port_state; | |
1051 | ||
1052 | port_type = FC_PORTTYPE_UNKNOWN; | |
1053 | if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_POINT_TO_POINT) | |
1054 | port_type = FC_PORTTYPE_PTP; | |
1055 | else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PRIVATE_LOOP) | |
1056 | port_type = FC_PORTTYPE_LPORT; | |
1057 | else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PUBLIC_LOOP) | |
1058 | port_type = FC_PORTTYPE_NLPORT; | |
1059 | else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_FABRIC_DIRECT) | |
1060 | port_type = FC_PORTTYPE_NPORT; | |
1061 | fc_host_port_type(sh) = port_type; | |
1062 | ||
1063 | fc_host_fabric_name(sh) = | |
1064 | (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_FABRIC_WWN_VALID) ? | |
1065 | (u64) pp0->FabricWWNN.High << 32 | (u64) pp0->FabricWWPN.Low : | |
1066 | (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low; | |
05e8ec17 | 1067 | |
05e8ec17 MR |
1068 | } |
1069 | ||
eb5329f4 PS |
1070 | static void |
1071 | mptfc_link_status_change(struct work_struct *work) | |
1072 | { | |
1073 | MPT_ADAPTER *ioc = | |
1074 | container_of(work, MPT_ADAPTER, fc_rescan_work); | |
1075 | int ii; | |
1076 | ||
1077 | for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) | |
1078 | (void) mptfc_GetFcPortPage0(ioc, ii); | |
1079 | ||
1080 | } | |
1081 | ||
419835e2 | 1082 | static void |
c4028958 | 1083 | mptfc_setup_reset(struct work_struct *work) |
419835e2 | 1084 | { |
c4028958 DH |
1085 | MPT_ADAPTER *ioc = |
1086 | container_of(work, MPT_ADAPTER, fc_setup_reset_work); | |
419835e2 MR |
1087 | u64 pn; |
1088 | struct mptfc_rport_info *ri; | |
1089 | ||
1090 | /* reset about to happen, delete (block) all rports */ | |
1091 | list_for_each_entry(ri, &ioc->fc_rports, list) { | |
1092 | if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) { | |
1093 | ri->flags &= ~MPT_RPORT_INFO_FLAGS_REGISTERED; | |
1094 | fc_remote_port_delete(ri->rport); /* won't sleep */ | |
1095 | ri->rport = NULL; | |
1096 | ||
1097 | pn = (u64)ri->pg0.WWPN.High << 32 | | |
1098 | (u64)ri->pg0.WWPN.Low; | |
d6ecdd63 | 1099 | dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT |
419835e2 MR |
1100 | "mptfc_setup_reset.%d: %llx deleted\n", |
1101 | ioc->name, | |
1102 | ioc->sh->host_no, | |
1103 | (unsigned long long)pn)); | |
1104 | } | |
1105 | } | |
1106 | } | |
1107 | ||
05e8ec17 | 1108 | static void |
c4028958 | 1109 | mptfc_rescan_devices(struct work_struct *work) |
05e8ec17 | 1110 | { |
c4028958 DH |
1111 | MPT_ADAPTER *ioc = |
1112 | container_of(work, MPT_ADAPTER, fc_rescan_work); | |
05e8ec17 | 1113 | int ii; |
65207fed | 1114 | u64 pn; |
05e8ec17 MR |
1115 | struct mptfc_rport_info *ri; |
1116 | ||
3a0c56d8 MR |
1117 | /* start by tagging all ports as missing */ |
1118 | list_for_each_entry(ri, &ioc->fc_rports, list) { | |
1119 | if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) { | |
1120 | ri->flags |= MPT_RPORT_INFO_FLAGS_MISSING; | |
05e8ec17 | 1121 | } |
3a0c56d8 | 1122 | } |
05e8ec17 | 1123 | |
3a0c56d8 MR |
1124 | /* |
1125 | * now rescan devices known to adapter, | |
1126 | * will reregister existing rports | |
1127 | */ | |
1128 | for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) { | |
1129 | (void) mptfc_GetFcPortPage0(ioc, ii); | |
1130 | mptfc_init_host_attr(ioc, ii); /* refresh */ | |
1131 | mptfc_GetFcDevPage0(ioc, ii, mptfc_register_dev); | |
1132 | } | |
05e8ec17 | 1133 | |
3a0c56d8 MR |
1134 | /* delete devices still missing */ |
1135 | list_for_each_entry(ri, &ioc->fc_rports, list) { | |
1136 | /* if newly missing, delete it */ | |
1137 | if (ri->flags & MPT_RPORT_INFO_FLAGS_MISSING) { | |
05e8ec17 | 1138 | |
3a0c56d8 MR |
1139 | ri->flags &= ~(MPT_RPORT_INFO_FLAGS_REGISTERED| |
1140 | MPT_RPORT_INFO_FLAGS_MISSING); | |
1141 | fc_remote_port_delete(ri->rport); /* won't sleep */ | |
1142 | ri->rport = NULL; | |
65207fed | 1143 | |
3a0c56d8 MR |
1144 | pn = (u64)ri->pg0.WWPN.High << 32 | |
1145 | (u64)ri->pg0.WWPN.Low; | |
d6ecdd63 | 1146 | dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT |
3a0c56d8 MR |
1147 | "mptfc_rescan.%d: %llx deleted\n", |
1148 | ioc->name, | |
1149 | ioc->sh->host_no, | |
1150 | (unsigned long long)pn)); | |
05e8ec17 | 1151 | } |
3a0c56d8 | 1152 | } |
05e8ec17 MR |
1153 | } |
1154 | ||
2496af39 MED |
1155 | static int |
1156 | mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id) | |
1157 | { | |
1158 | struct Scsi_Host *sh; | |
1159 | MPT_SCSI_HOST *hd; | |
1160 | MPT_ADAPTER *ioc; | |
1161 | unsigned long flags; | |
1ca00bb7 | 1162 | int ii; |
2496af39 MED |
1163 | int numSGE = 0; |
1164 | int scale; | |
1165 | int ioc_cap; | |
2496af39 MED |
1166 | int error=0; |
1167 | int r; | |
05e8ec17 | 1168 | |
2496af39 MED |
1169 | if ((r = mpt_attach(pdev,id)) != 0) |
1170 | return r; | |
05e8ec17 | 1171 | |
2496af39 | 1172 | ioc = pci_get_drvdata(pdev); |
d335cc38 MED |
1173 | ioc->DoneCtx = mptfcDoneCtx; |
1174 | ioc->TaskCtx = mptfcTaskCtx; | |
1175 | ioc->InternalCtx = mptfcInternalCtx; | |
2496af39 MED |
1176 | |
1177 | /* Added sanity check on readiness of the MPT adapter. | |
1178 | */ | |
1179 | if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) { | |
1180 | printk(MYIOC_s_WARN_FMT | |
1181 | "Skipping because it's not operational!\n", | |
1182 | ioc->name); | |
7acec1e7 MED |
1183 | error = -ENODEV; |
1184 | goto out_mptfc_probe; | |
2496af39 MED |
1185 | } |
1186 | ||
1187 | if (!ioc->active) { | |
1188 | printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n", | |
1189 | ioc->name); | |
7acec1e7 MED |
1190 | error = -ENODEV; |
1191 | goto out_mptfc_probe; | |
2496af39 MED |
1192 | } |
1193 | ||
1194 | /* Sanity check - ensure at least 1 port is INITIATOR capable | |
1195 | */ | |
1196 | ioc_cap = 0; | |
1197 | for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) { | |
1198 | if (ioc->pfacts[ii].ProtocolFlags & | |
1199 | MPI_PORTFACTS_PROTOCOL_INITIATOR) | |
1200 | ioc_cap ++; | |
1201 | } | |
1202 | ||
1203 | if (!ioc_cap) { | |
1204 | printk(MYIOC_s_WARN_FMT | |
1205 | "Skipping ioc=%p because SCSI Initiator mode is NOT enabled!\n", | |
1206 | ioc->name, ioc); | |
793955f5 | 1207 | return 0; |
2496af39 MED |
1208 | } |
1209 | ||
1210 | sh = scsi_host_alloc(&mptfc_driver_template, sizeof(MPT_SCSI_HOST)); | |
1211 | ||
1212 | if (!sh) { | |
1213 | printk(MYIOC_s_WARN_FMT | |
1214 | "Unable to register controller with SCSI subsystem\n", | |
1215 | ioc->name); | |
7acec1e7 MED |
1216 | error = -1; |
1217 | goto out_mptfc_probe; | |
2496af39 MED |
1218 | } |
1219 | ||
80d3ac77 | 1220 | spin_lock_init(&ioc->fc_rescan_work_lock); |
c4028958 DH |
1221 | INIT_WORK(&ioc->fc_rescan_work, mptfc_rescan_devices); |
1222 | INIT_WORK(&ioc->fc_setup_reset_work, mptfc_setup_reset); | |
eb5329f4 | 1223 | INIT_WORK(&ioc->fc_lsc_work, mptfc_link_status_change); |
05e8ec17 | 1224 | |
2496af39 MED |
1225 | spin_lock_irqsave(&ioc->FreeQlock, flags); |
1226 | ||
1227 | /* Attach the SCSI Host to the IOC structure | |
1228 | */ | |
1229 | ioc->sh = sh; | |
1230 | ||
1231 | sh->io_port = 0; | |
1232 | sh->n_io_port = 0; | |
1233 | sh->irq = 0; | |
1234 | ||
1235 | /* set 16 byte cdb's */ | |
1236 | sh->max_cmd_len = 16; | |
1237 | ||
793955f5 EM |
1238 | sh->max_id = ioc->pfacts->MaxDevices; |
1239 | sh->max_lun = max_lun; | |
2496af39 | 1240 | |
2496af39 MED |
1241 | sh->this_id = ioc->pfacts[0].PortSCSIID; |
1242 | ||
1243 | /* Required entry. | |
1244 | */ | |
1245 | sh->unique_id = ioc->id; | |
1246 | ||
1247 | /* Verify that we won't exceed the maximum | |
1248 | * number of chain buffers | |
1249 | * We can optimize: ZZ = req_sz/sizeof(SGE) | |
1250 | * For 32bit SGE's: | |
1251 | * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ | |
1252 | * + (req_sz - 64)/sizeof(SGE) | |
1253 | * A slightly different algorithm is required for | |
1254 | * 64bit SGEs. | |
1255 | */ | |
1256 | scale = ioc->req_sz/(sizeof(dma_addr_t) + sizeof(u32)); | |
1257 | if (sizeof(dma_addr_t) == sizeof(u64)) { | |
1258 | numSGE = (scale - 1) * | |
1259 | (ioc->facts.MaxChainDepth-1) + scale + | |
1260 | (ioc->req_sz - 60) / (sizeof(dma_addr_t) + | |
1261 | sizeof(u32)); | |
1262 | } else { | |
1263 | numSGE = 1 + (scale - 1) * | |
1264 | (ioc->facts.MaxChainDepth-1) + scale + | |
1265 | (ioc->req_sz - 64) / (sizeof(dma_addr_t) + | |
1266 | sizeof(u32)); | |
1267 | } | |
1268 | ||
1269 | if (numSGE < sh->sg_tablesize) { | |
1270 | /* Reset this value */ | |
d6ecdd63 | 1271 | dprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
2496af39 MED |
1272 | "Resetting sg_tablesize to %d from %d\n", |
1273 | ioc->name, numSGE, sh->sg_tablesize)); | |
1274 | sh->sg_tablesize = numSGE; | |
1275 | } | |
1276 | ||
2496af39 MED |
1277 | spin_unlock_irqrestore(&ioc->FreeQlock, flags); |
1278 | ||
1279 | hd = (MPT_SCSI_HOST *) sh->hostdata; | |
1280 | hd->ioc = ioc; | |
1281 | ||
1282 | /* SCSI needs scsi_cmnd lookup table! | |
1283 | * (with size equal to req_depth*PtrSz!) | |
1284 | */ | |
1ca00bb7 CH |
1285 | hd->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC); |
1286 | if (!hd->ScsiLookup) { | |
2496af39 | 1287 | error = -ENOMEM; |
7acec1e7 | 1288 | goto out_mptfc_probe; |
2496af39 MED |
1289 | } |
1290 | ||
d6ecdd63 | 1291 | dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n", |
1ca00bb7 | 1292 | ioc->name, hd->ScsiLookup)); |
2496af39 | 1293 | |
2496af39 MED |
1294 | /* Clear the TM flags |
1295 | */ | |
1296 | hd->tmPending = 0; | |
1297 | hd->tmState = TM_STATE_NONE; | |
1298 | hd->resetPending = 0; | |
1299 | hd->abortSCpnt = NULL; | |
1300 | ||
1301 | /* Clear the pointer used to store | |
1302 | * single-threaded commands, i.e., those | |
1303 | * issued during a bus scan, dv and | |
1304 | * configuration pages. | |
1305 | */ | |
1306 | hd->cmdPtr = NULL; | |
1307 | ||
1308 | /* Initialize this SCSI Hosts' timers | |
1309 | * To use, set the timer expires field | |
1310 | * and add_timer | |
1311 | */ | |
1312 | init_timer(&hd->timer); | |
1313 | hd->timer.data = (unsigned long) hd; | |
1314 | hd->timer.function = mptscsih_timer_expired; | |
1315 | ||
2496af39 MED |
1316 | init_waitqueue_head(&hd->scandv_waitq); |
1317 | hd->scandv_wait_done = 0; | |
1318 | hd->last_queue_full = 0; | |
1319 | ||
05e8ec17 | 1320 | sh->transportt = mptfc_transport_template; |
2496af39 MED |
1321 | error = scsi_add_host (sh, &ioc->pcidev->dev); |
1322 | if(error) { | |
d6ecdd63 | 1323 | dprintk(ioc, printk(KERN_ERR MYNAM |
2496af39 | 1324 | "scsi_add_host failed\n")); |
7acec1e7 | 1325 | goto out_mptfc_probe; |
2496af39 MED |
1326 | } |
1327 | ||
65207fed ME |
1328 | /* initialize workqueue */ |
1329 | ||
1330 | snprintf(ioc->fc_rescan_work_q_name, KOBJ_NAME_LEN, "mptfc_wq_%d", | |
1331 | sh->host_no); | |
1332 | ioc->fc_rescan_work_q = | |
1333 | create_singlethread_workqueue(ioc->fc_rescan_work_q_name); | |
1334 | if (!ioc->fc_rescan_work_q) | |
1335 | goto out_mptfc_probe; | |
1336 | ||
80d3ac77 MR |
1337 | /* |
1338 | * Pre-fetch FC port WWN and stuff... | |
1339 | * (FCPortPage0_t stuff) | |
1340 | */ | |
1341 | for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) { | |
1342 | (void) mptfc_GetFcPortPage0(ioc, ii); | |
1343 | } | |
ca2f938e | 1344 | mptfc_SetFcPortPage1_defaults(ioc); |
80d3ac77 | 1345 | |
65207fed ME |
1346 | /* |
1347 | * scan for rports - | |
1348 | * by doing it via the workqueue, some locking is eliminated | |
1349 | */ | |
1350 | ||
65207fed ME |
1351 | queue_work(ioc->fc_rescan_work_q, &ioc->fc_rescan_work); |
1352 | flush_workqueue(ioc->fc_rescan_work_q); | |
05e8ec17 | 1353 | |
2496af39 MED |
1354 | return 0; |
1355 | ||
7acec1e7 | 1356 | out_mptfc_probe: |
2496af39 MED |
1357 | |
1358 | mptscsih_remove(pdev); | |
1359 | return error; | |
1360 | } | |
1361 | ||
1362 | static struct pci_driver mptfc_driver = { | |
1363 | .name = "mptfc", | |
1364 | .id_table = mptfc_pci_table, | |
1365 | .probe = mptfc_probe, | |
05e8ec17 | 1366 | .remove = __devexit_p(mptfc_remove), |
d18c3db5 | 1367 | .shutdown = mptscsih_shutdown, |
2496af39 MED |
1368 | #ifdef CONFIG_PM |
1369 | .suspend = mptscsih_suspend, | |
1370 | .resume = mptscsih_resume, | |
1371 | #endif | |
1372 | }; | |
1373 | ||
80d3ac77 MR |
1374 | static int |
1375 | mptfc_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) | |
1376 | { | |
1377 | MPT_SCSI_HOST *hd; | |
1378 | u8 event = le32_to_cpu(pEvReply->Event) & 0xFF; | |
1379 | unsigned long flags; | |
1380 | int rc=1; | |
1381 | ||
d6ecdd63 | 1382 | devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n", |
80d3ac77 MR |
1383 | ioc->name, event)); |
1384 | ||
1385 | if (ioc->sh == NULL || | |
1386 | ((hd = (MPT_SCSI_HOST *)ioc->sh->hostdata) == NULL)) | |
1387 | return 1; | |
1388 | ||
1389 | switch (event) { | |
1390 | case MPI_EVENT_RESCAN: | |
1391 | spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); | |
1392 | if (ioc->fc_rescan_work_q) { | |
3a0c56d8 MR |
1393 | queue_work(ioc->fc_rescan_work_q, |
1394 | &ioc->fc_rescan_work); | |
80d3ac77 MR |
1395 | } |
1396 | spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); | |
1397 | break; | |
eb5329f4 PS |
1398 | case MPI_EVENT_LINK_STATUS_CHANGE: |
1399 | spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); | |
1400 | if (ioc->fc_rescan_work_q) { | |
1401 | queue_work(ioc->fc_rescan_work_q, | |
1402 | &ioc->fc_lsc_work); | |
1403 | } | |
1404 | spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); | |
1405 | break; | |
80d3ac77 MR |
1406 | default: |
1407 | rc = mptscsih_event_process(ioc,pEvReply); | |
1408 | break; | |
1409 | } | |
1410 | return rc; | |
1411 | } | |
1412 | ||
1413 | static int | |
1414 | mptfc_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) | |
1415 | { | |
1416 | int rc; | |
1417 | unsigned long flags; | |
1418 | ||
1419 | rc = mptscsih_ioc_reset(ioc,reset_phase); | |
1420 | if (rc == 0) | |
1421 | return rc; | |
1422 | ||
1423 | ||
d6ecdd63 PS |
1424 | dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
1425 | ": IOC %s_reset routed to FC host driver!\n",ioc->name, | |
80d3ac77 MR |
1426 | reset_phase==MPT_IOC_SETUP_RESET ? "setup" : ( |
1427 | reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post"))); | |
1428 | ||
1429 | if (reset_phase == MPT_IOC_SETUP_RESET) { | |
419835e2 MR |
1430 | spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); |
1431 | if (ioc->fc_rescan_work_q) { | |
1432 | queue_work(ioc->fc_rescan_work_q, | |
1433 | &ioc->fc_setup_reset_work); | |
1434 | } | |
1435 | spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); | |
80d3ac77 MR |
1436 | } |
1437 | ||
1438 | else if (reset_phase == MPT_IOC_PRE_RESET) { | |
1439 | } | |
1440 | ||
1441 | else { /* MPT_IOC_POST_RESET */ | |
ca2f938e | 1442 | mptfc_SetFcPortPage1_defaults(ioc); |
80d3ac77 MR |
1443 | spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); |
1444 | if (ioc->fc_rescan_work_q) { | |
3a0c56d8 MR |
1445 | queue_work(ioc->fc_rescan_work_q, |
1446 | &ioc->fc_rescan_work); | |
80d3ac77 MR |
1447 | } |
1448 | spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); | |
1449 | } | |
1450 | return 1; | |
1451 | } | |
1452 | ||
2496af39 MED |
1453 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
1454 | /** | |
d9489fb6 | 1455 | * mptfc_init - Register MPT adapter(s) as SCSI host(s) with SCSI mid-layer. |
2496af39 MED |
1456 | * |
1457 | * Returns 0 for success, non-zero for failure. | |
1458 | */ | |
1459 | static int __init | |
1460 | mptfc_init(void) | |
1461 | { | |
05e8ec17 | 1462 | int error; |
2496af39 MED |
1463 | |
1464 | show_mptmod_ver(my_NAME, my_VERSION); | |
1465 | ||
ca2f938e MR |
1466 | /* sanity check module parameters */ |
1467 | if (mptfc_dev_loss_tmo <= 0) | |
05e8ec17 MR |
1468 | mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO; |
1469 | ||
1470 | mptfc_transport_template = | |
1471 | fc_attach_transport(&mptfc_transport_functions); | |
1472 | ||
1473 | if (!mptfc_transport_template) | |
1474 | return -ENODEV; | |
1475 | ||
2496af39 MED |
1476 | mptfcDoneCtx = mpt_register(mptscsih_io_done, MPTFC_DRIVER); |
1477 | mptfcTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTFC_DRIVER); | |
1478 | mptfcInternalCtx = mpt_register(mptscsih_scandv_complete, MPTFC_DRIVER); | |
1479 | ||
d6ecdd63 PS |
1480 | mpt_event_register(mptfcDoneCtx, mptfc_event_process); |
1481 | mpt_reset_register(mptfcDoneCtx, mptfc_ioc_reset); | |
2496af39 | 1482 | |
05e8ec17 | 1483 | error = pci_register_driver(&mptfc_driver); |
3bc7bf1d | 1484 | if (error) |
05e8ec17 | 1485 | fc_release_transport(mptfc_transport_template); |
05e8ec17 MR |
1486 | |
1487 | return error; | |
1488 | } | |
1489 | ||
1490 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1491 | /** | |
d9489fb6 | 1492 | * mptfc_remove - Remove fc infrastructure for devices |
05e8ec17 MR |
1493 | * @pdev: Pointer to pci_dev structure |
1494 | * | |
1495 | */ | |
3bc7bf1d MR |
1496 | static void __devexit |
1497 | mptfc_remove(struct pci_dev *pdev) | |
05e8ec17 | 1498 | { |
65207fed ME |
1499 | MPT_ADAPTER *ioc = pci_get_drvdata(pdev); |
1500 | struct mptfc_rport_info *p, *n; | |
1501 | struct workqueue_struct *work_q; | |
1502 | unsigned long flags; | |
ca2f938e | 1503 | int ii; |
65207fed ME |
1504 | |
1505 | /* destroy workqueue */ | |
1506 | if ((work_q=ioc->fc_rescan_work_q)) { | |
1507 | spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); | |
1508 | ioc->fc_rescan_work_q = NULL; | |
1509 | spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); | |
1510 | destroy_workqueue(work_q); | |
1511 | } | |
05e8ec17 MR |
1512 | |
1513 | fc_remove_host(ioc->sh); | |
1514 | ||
1515 | list_for_each_entry_safe(p, n, &ioc->fc_rports, list) { | |
1516 | list_del(&p->list); | |
1517 | kfree(p); | |
1518 | } | |
1519 | ||
ca2f938e MR |
1520 | for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) { |
1521 | if (ioc->fc_data.fc_port_page1[ii].data) { | |
1522 | pci_free_consistent(ioc->pcidev, | |
1523 | ioc->fc_data.fc_port_page1[ii].pg_sz, | |
1524 | (u8 *) ioc->fc_data.fc_port_page1[ii].data, | |
1525 | ioc->fc_data.fc_port_page1[ii].dma); | |
1526 | ioc->fc_data.fc_port_page1[ii].data = NULL; | |
1527 | } | |
1528 | } | |
1529 | ||
05e8ec17 | 1530 | mptscsih_remove(pdev); |
2496af39 MED |
1531 | } |
1532 | ||
1533 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1534 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1535 | /** | |
1536 | * mptfc_exit - Unregisters MPT adapter(s) | |
1537 | * | |
1538 | */ | |
1539 | static void __exit | |
1540 | mptfc_exit(void) | |
1541 | { | |
1542 | pci_unregister_driver(&mptfc_driver); | |
05e8ec17 MR |
1543 | fc_release_transport(mptfc_transport_template); |
1544 | ||
2496af39 | 1545 | mpt_reset_deregister(mptfcDoneCtx); |
2496af39 | 1546 | mpt_event_deregister(mptfcDoneCtx); |
2496af39 MED |
1547 | |
1548 | mpt_deregister(mptfcInternalCtx); | |
1549 | mpt_deregister(mptfcTaskCtx); | |
1550 | mpt_deregister(mptfcDoneCtx); | |
1551 | } | |
1552 | ||
1553 | module_init(mptfc_init); | |
1554 | module_exit(mptfc_exit); |