Commit | Line | Data |
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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 | * |
cddc0ab7 | 6 | * Copyright (c) 1999-2008 LSI Corporation |
16d20101 | 7 | * (mailto:DL-MPTFusionLinux@lsi.com) |
2496af39 MED |
8 | * |
9 | */ | |
10 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
11 | /* | |
12 | This program is free software; you can redistribute it and/or modify | |
13 | it under the terms of the GNU General Public License as published by | |
14 | the Free Software Foundation; version 2 of the License. | |
15 | ||
16 | This program is distributed in the hope that it will be useful, | |
17 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | GNU General Public License for more details. | |
20 | ||
21 | NO WARRANTY | |
22 | THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR | |
23 | CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT | |
24 | LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, | |
25 | MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is | |
26 | solely responsible for determining the appropriateness of using and | |
27 | distributing the Program and assumes all risks associated with its | |
28 | exercise of rights under this Agreement, including but not limited to | |
29 | the risks and costs of program errors, damage to or loss of data, | |
30 | programs or equipment, and unavailability or interruption of operations. | |
31 | ||
32 | DISCLAIMER OF LIABILITY | |
33 | NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY | |
34 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
35 | DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND | |
36 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR | |
37 | TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE | |
38 | USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED | |
39 | HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES | |
40 | ||
41 | You should have received a copy of the GNU General Public License | |
42 | along with this program; if not, write to the Free Software | |
43 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
44 | */ | |
45 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
2496af39 MED |
46 | #include <linux/module.h> |
47 | #include <linux/kernel.h> | |
48 | #include <linux/init.h> | |
49 | #include <linux/errno.h> | |
50 | #include <linux/kdev_t.h> | |
51 | #include <linux/blkdev.h> | |
52 | #include <linux/delay.h> /* for mdelay */ | |
b8a51443 | 53 | #include <linux/interrupt.h> |
2496af39 | 54 | #include <linux/reboot.h> /* notifier code */ |
2496af39 | 55 | #include <linux/workqueue.h> |
05e8ec17 | 56 | #include <linux/sort.h> |
5a0e3ad6 | 57 | #include <linux/slab.h> |
2496af39 MED |
58 | |
59 | #include <scsi/scsi.h> | |
60 | #include <scsi/scsi_cmnd.h> | |
61 | #include <scsi/scsi_device.h> | |
62 | #include <scsi/scsi_host.h> | |
63 | #include <scsi/scsi_tcq.h> | |
05e8ec17 | 64 | #include <scsi/scsi_transport_fc.h> |
2496af39 MED |
65 | |
66 | #include "mptbase.h" | |
67 | #include "mptscsih.h" | |
68 | ||
69 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
70 | #define my_NAME "Fusion MPT FC Host driver" | |
71 | #define my_VERSION MPT_LINUX_VERSION_COMMON | |
72 | #define MYNAM "mptfc" | |
73 | ||
74 | MODULE_AUTHOR(MODULEAUTHOR); | |
75 | MODULE_DESCRIPTION(my_NAME); | |
76 | MODULE_LICENSE("GPL"); | |
9f4203b3 | 77 | MODULE_VERSION(my_VERSION); |
2496af39 MED |
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 | ||
793955f5 EM |
88 | /* scsi-mid layer global parmeter is max_report_luns, which is 511 */ |
89 | #define MPTFC_MAX_LUN (16895) | |
90 | static int max_lun = MPTFC_MAX_LUN; | |
91 | module_param(max_lun, int, 0); | |
92 | MODULE_PARM_DESC(max_lun, " max lun, default=16895 "); | |
93 | ||
f606f571 PS |
94 | static u8 mptfcDoneCtx = MPT_MAX_PROTOCOL_DRIVERS; |
95 | static u8 mptfcTaskCtx = MPT_MAX_PROTOCOL_DRIVERS; | |
96 | static u8 mptfcInternalCtx = MPT_MAX_PROTOCOL_DRIVERS; | |
2496af39 | 97 | |
3bc7bf1d MR |
98 | static int mptfc_target_alloc(struct scsi_target *starget); |
99 | static int mptfc_slave_alloc(struct scsi_device *sdev); | |
f281233d | 100 | static int mptfc_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *SCpnt); |
3bc7bf1d | 101 | static void mptfc_target_destroy(struct scsi_target *starget); |
05e8ec17 | 102 | static void mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout); |
47b1ea75 | 103 | static void 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); | |
05e8ec17 | 107 | |
2496af39 | 108 | static struct scsi_host_template mptfc_driver_template = { |
f78496da | 109 | .module = THIS_MODULE, |
2496af39 | 110 | .proc_name = "mptfc", |
cac19703 | 111 | .show_info = mptscsih_show_info, |
2496af39 MED |
112 | .name = "MPT FC Host", |
113 | .info = mptscsih_info, | |
05e8ec17 | 114 | .queuecommand = mptfc_qcmd, |
3bc7bf1d | 115 | .target_alloc = mptfc_target_alloc, |
05e8ec17 | 116 | .slave_alloc = mptfc_slave_alloc, |
2496af39 | 117 | .slave_configure = mptscsih_slave_configure, |
3bc7bf1d | 118 | .target_destroy = mptfc_target_destroy, |
2496af39 | 119 | .slave_destroy = mptscsih_slave_destroy, |
6e3815ba | 120 | .change_queue_depth = mptscsih_change_queue_depth, |
b6a05c82 | 121 | .eh_timed_out = fc_eh_timed_out, |
35508e46 MR |
122 | .eh_abort_handler = mptfc_abort, |
123 | .eh_device_reset_handler = mptfc_dev_reset, | |
124 | .eh_bus_reset_handler = mptfc_bus_reset, | |
fdad4aaf | 125 | .eh_host_reset_handler = mptscsih_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, | |
2899836f | 132 | .shost_groups = mptscsih_host_attr_groups, |
2496af39 MED |
133 | }; |
134 | ||
135 | /**************************************************************************** | |
136 | * Supported hardware | |
137 | */ | |
138 | ||
139 | static struct pci_device_id mptfc_pci_table[] = { | |
87cf8986 | 140 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC909, |
2496af39 | 141 | PCI_ANY_ID, PCI_ANY_ID }, |
87cf8986 | 142 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC919, |
2496af39 | 143 | PCI_ANY_ID, PCI_ANY_ID }, |
87cf8986 | 144 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC929, |
2496af39 | 145 | PCI_ANY_ID, PCI_ANY_ID }, |
87cf8986 | 146 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC919X, |
2496af39 | 147 | PCI_ANY_ID, PCI_ANY_ID }, |
87cf8986 | 148 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC929X, |
2496af39 | 149 | PCI_ANY_ID, PCI_ANY_ID }, |
87cf8986 | 150 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC939X, |
3fadc59d | 151 | PCI_ANY_ID, PCI_ANY_ID }, |
87cf8986 | 152 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC949X, |
3fadc59d | 153 | PCI_ANY_ID, PCI_ANY_ID }, |
87cf8986 | 154 | { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC949E, |
6d5b0c31 | 155 | PCI_ANY_ID, PCI_ANY_ID }, |
ef1d8df7 PS |
156 | { PCI_VENDOR_ID_BROCADE, MPI_MANUFACTPAGE_DEVICEID_FC949E, |
157 | PCI_ANY_ID, PCI_ANY_ID }, | |
2496af39 MED |
158 | {0} /* Terminating entry */ |
159 | }; | |
160 | MODULE_DEVICE_TABLE(pci, mptfc_pci_table); | |
161 | ||
05e8ec17 MR |
162 | static struct scsi_transport_template *mptfc_transport_template = NULL; |
163 | ||
03fbcbcd | 164 | static struct fc_function_template mptfc_transport_functions = { |
05e8ec17 MR |
165 | .dd_fcrport_size = 8, |
166 | .show_host_node_name = 1, | |
167 | .show_host_port_name = 1, | |
168 | .show_host_supported_classes = 1, | |
169 | .show_host_port_id = 1, | |
170 | .show_rport_supported_classes = 1, | |
171 | .show_starget_node_name = 1, | |
172 | .show_starget_port_name = 1, | |
173 | .show_starget_port_id = 1, | |
174 | .set_rport_dev_loss_tmo = mptfc_set_rport_loss_tmo, | |
175 | .show_rport_dev_loss_tmo = 1, | |
5d947f2b MR |
176 | .show_host_supported_speeds = 1, |
177 | .show_host_maxframe_size = 1, | |
178 | .show_host_speed = 1, | |
179 | .show_host_fabric_name = 1, | |
180 | .show_host_port_type = 1, | |
181 | .show_host_port_state = 1, | |
182 | .show_host_symbolic_name = 1, | |
05e8ec17 MR |
183 | }; |
184 | ||
35508e46 MR |
185 | static int |
186 | mptfc_block_error_handler(struct scsi_cmnd *SCpnt, | |
187 | int (*func)(struct scsi_cmnd *SCpnt), | |
188 | const char *caller) | |
189 | { | |
d6ecdd63 | 190 | MPT_SCSI_HOST *hd; |
35508e46 MR |
191 | struct scsi_device *sdev = SCpnt->device; |
192 | struct Scsi_Host *shost = sdev->host; | |
193 | struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); | |
194 | unsigned long flags; | |
195 | int ready; | |
e80b002b | 196 | MPT_ADAPTER *ioc; |
03cb3829 | 197 | int loops = 40; /* seconds */ |
35508e46 | 198 | |
e7eae9f6 | 199 | hd = shost_priv(SCpnt->device->host); |
e80b002b | 200 | ioc = hd->ioc; |
35508e46 | 201 | spin_lock_irqsave(shost->host_lock, flags); |
03cb3829 MR |
202 | while ((ready = fc_remote_port_chkready(rport) >> 16) == DID_IMM_RETRY |
203 | || (loops > 0 && ioc->active == 0)) { | |
35508e46 | 204 | spin_unlock_irqrestore(shost->host_lock, flags); |
e80b002b | 205 | dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT |
9cb78c16 | 206 | "mptfc_block_error_handler.%d: %d:%llu, port status is " |
03cb3829 | 207 | "%x, active flag %d, deferring %s recovery.\n", |
e7eae9f6 | 208 | ioc->name, ioc->sh->host_no, |
03cb3829 MR |
209 | SCpnt->device->id, SCpnt->device->lun, |
210 | ready, ioc->active, caller)); | |
35508e46 MR |
211 | msleep(1000); |
212 | spin_lock_irqsave(shost->host_lock, flags); | |
03cb3829 | 213 | loops --; |
35508e46 MR |
214 | } |
215 | spin_unlock_irqrestore(shost->host_lock, flags); | |
216 | ||
03cb3829 MR |
217 | if (ready == DID_NO_CONNECT || !SCpnt->device->hostdata |
218 | || ioc->active == 0) { | |
e80b002b | 219 | dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT |
9cb78c16 | 220 | "%s.%d: %d:%llu, failing recovery, " |
03cb3829 | 221 | "port state %x, active %d, vdevice %p.\n", caller, |
e7eae9f6 | 222 | ioc->name, ioc->sh->host_no, |
29dd3609 | 223 | SCpnt->device->id, SCpnt->device->lun, ready, |
03cb3829 | 224 | ioc->active, SCpnt->device->hostdata)); |
35508e46 MR |
225 | return FAILED; |
226 | } | |
e80b002b | 227 | dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT |
9cb78c16 | 228 | "%s.%d: %d:%llu, executing recovery.\n", caller, |
e7eae9f6 | 229 | ioc->name, ioc->sh->host_no, |
29dd3609 | 230 | SCpnt->device->id, SCpnt->device->lun)); |
35508e46 MR |
231 | return (*func)(SCpnt); |
232 | } | |
233 | ||
234 | static int | |
235 | mptfc_abort(struct scsi_cmnd *SCpnt) | |
236 | { | |
237 | return | |
cadbd4a5 | 238 | mptfc_block_error_handler(SCpnt, mptscsih_abort, __func__); |
35508e46 MR |
239 | } |
240 | ||
241 | static int | |
242 | mptfc_dev_reset(struct scsi_cmnd *SCpnt) | |
243 | { | |
244 | return | |
cadbd4a5 | 245 | mptfc_block_error_handler(SCpnt, mptscsih_dev_reset, __func__); |
35508e46 MR |
246 | } |
247 | ||
248 | static int | |
249 | mptfc_bus_reset(struct scsi_cmnd *SCpnt) | |
250 | { | |
251 | return | |
cadbd4a5 | 252 | mptfc_block_error_handler(SCpnt, mptscsih_bus_reset, __func__); |
35508e46 MR |
253 | } |
254 | ||
05e8ec17 MR |
255 | static void |
256 | mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) | |
257 | { | |
258 | if (timeout > 0) | |
259 | rport->dev_loss_tmo = timeout; | |
260 | else | |
261 | rport->dev_loss_tmo = mptfc_dev_loss_tmo; | |
262 | } | |
263 | ||
264 | static int | |
265 | mptfc_FcDevPage0_cmp_func(const void *a, const void *b) | |
266 | { | |
267 | FCDevicePage0_t **aa = (FCDevicePage0_t **)a; | |
268 | FCDevicePage0_t **bb = (FCDevicePage0_t **)b; | |
269 | ||
270 | if ((*aa)->CurrentBus == (*bb)->CurrentBus) { | |
271 | if ((*aa)->CurrentTargetID == (*bb)->CurrentTargetID) | |
272 | return 0; | |
273 | if ((*aa)->CurrentTargetID < (*bb)->CurrentTargetID) | |
274 | return -1; | |
275 | return 1; | |
276 | } | |
277 | if ((*aa)->CurrentBus < (*bb)->CurrentBus) | |
278 | return -1; | |
279 | return 1; | |
280 | } | |
281 | ||
282 | static int | |
283 | mptfc_GetFcDevPage0(MPT_ADAPTER *ioc, int ioc_port, | |
284 | void(*func)(MPT_ADAPTER *ioc,int channel, FCDevicePage0_t *arg)) | |
285 | { | |
286 | ConfigPageHeader_t hdr; | |
287 | CONFIGPARMS cfg; | |
288 | FCDevicePage0_t *ppage0_alloc, *fc; | |
289 | dma_addr_t page0_dma; | |
290 | int data_sz; | |
291 | int ii; | |
292 | ||
293 | FCDevicePage0_t *p0_array=NULL, *p_p0; | |
294 | FCDevicePage0_t **pp0_array=NULL, **p_pp0; | |
295 | ||
296 | int rc = -ENOMEM; | |
297 | U32 port_id = 0xffffff; | |
298 | int num_targ = 0; | |
299 | int max_bus = ioc->facts.MaxBuses; | |
793955f5 | 300 | int max_targ; |
05e8ec17 | 301 | |
793955f5 | 302 | max_targ = (ioc->facts.MaxDevices == 0) ? 256 : ioc->facts.MaxDevices; |
05e8ec17 MR |
303 | |
304 | data_sz = sizeof(FCDevicePage0_t) * max_bus * max_targ; | |
305 | p_p0 = p0_array = kzalloc(data_sz, GFP_KERNEL); | |
306 | if (!p0_array) | |
307 | goto out; | |
308 | ||
309 | data_sz = sizeof(FCDevicePage0_t *) * max_bus * max_targ; | |
310 | p_pp0 = pp0_array = kzalloc(data_sz, GFP_KERNEL); | |
311 | if (!pp0_array) | |
312 | goto out; | |
313 | ||
314 | do { | |
315 | /* Get FC Device Page 0 header */ | |
316 | hdr.PageVersion = 0; | |
317 | hdr.PageLength = 0; | |
318 | hdr.PageNumber = 0; | |
319 | hdr.PageType = MPI_CONFIG_PAGETYPE_FC_DEVICE; | |
320 | cfg.cfghdr.hdr = &hdr; | |
321 | cfg.physAddr = -1; | |
322 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | |
323 | cfg.dir = 0; | |
324 | cfg.pageAddr = port_id; | |
325 | cfg.timeout = 0; | |
326 | ||
327 | if ((rc = mpt_config(ioc, &cfg)) != 0) | |
328 | break; | |
329 | ||
330 | if (hdr.PageLength <= 0) | |
331 | break; | |
332 | ||
333 | data_sz = hdr.PageLength * 4; | |
1897c5c7 CJ |
334 | ppage0_alloc = dma_alloc_coherent(&ioc->pcidev->dev, data_sz, |
335 | &page0_dma, GFP_KERNEL); | |
05e8ec17 MR |
336 | rc = -ENOMEM; |
337 | if (!ppage0_alloc) | |
338 | break; | |
339 | ||
340 | cfg.physAddr = page0_dma; | |
341 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | |
342 | ||
343 | if ((rc = mpt_config(ioc, &cfg)) == 0) { | |
344 | ppage0_alloc->PortIdentifier = | |
345 | le32_to_cpu(ppage0_alloc->PortIdentifier); | |
346 | ||
347 | ppage0_alloc->WWNN.Low = | |
348 | le32_to_cpu(ppage0_alloc->WWNN.Low); | |
349 | ||
350 | ppage0_alloc->WWNN.High = | |
351 | le32_to_cpu(ppage0_alloc->WWNN.High); | |
352 | ||
353 | ppage0_alloc->WWPN.Low = | |
354 | le32_to_cpu(ppage0_alloc->WWPN.Low); | |
355 | ||
356 | ppage0_alloc->WWPN.High = | |
357 | le32_to_cpu(ppage0_alloc->WWPN.High); | |
358 | ||
359 | ppage0_alloc->BBCredit = | |
360 | le16_to_cpu(ppage0_alloc->BBCredit); | |
361 | ||
362 | ppage0_alloc->MaxRxFrameSize = | |
363 | le16_to_cpu(ppage0_alloc->MaxRxFrameSize); | |
364 | ||
365 | port_id = ppage0_alloc->PortIdentifier; | |
366 | num_targ++; | |
367 | *p_p0 = *ppage0_alloc; /* save data */ | |
368 | *p_pp0++ = p_p0++; /* save addr */ | |
369 | } | |
1897c5c7 CJ |
370 | dma_free_coherent(&ioc->pcidev->dev, data_sz, |
371 | ppage0_alloc, page0_dma); | |
05e8ec17 MR |
372 | if (rc != 0) |
373 | break; | |
374 | ||
375 | } while (port_id <= 0xff0000); | |
376 | ||
377 | if (num_targ) { | |
378 | /* sort array */ | |
379 | if (num_targ > 1) | |
380 | sort (pp0_array, num_targ, sizeof(FCDevicePage0_t *), | |
381 | mptfc_FcDevPage0_cmp_func, NULL); | |
382 | /* call caller's func for each targ */ | |
383 | for (ii = 0; ii < num_targ; ii++) { | |
384 | fc = *(pp0_array+ii); | |
385 | func(ioc, ioc_port, fc); | |
386 | } | |
387 | } | |
388 | ||
389 | out: | |
8f760780 JJ |
390 | kfree(pp0_array); |
391 | kfree(p0_array); | |
05e8ec17 MR |
392 | return rc; |
393 | } | |
394 | ||
395 | static int | |
396 | mptfc_generate_rport_ids(FCDevicePage0_t *pg0, struct fc_rport_identifiers *rid) | |
397 | { | |
398 | /* not currently usable */ | |
399 | if (pg0->Flags & (MPI_FC_DEVICE_PAGE0_FLAGS_PLOGI_INVALID | | |
400 | MPI_FC_DEVICE_PAGE0_FLAGS_PRLI_INVALID)) | |
401 | return -1; | |
402 | ||
403 | if (!(pg0->Flags & MPI_FC_DEVICE_PAGE0_FLAGS_TARGETID_BUS_VALID)) | |
404 | return -1; | |
405 | ||
406 | if (!(pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_TARGET)) | |
407 | return -1; | |
408 | ||
409 | /* | |
410 | * board data structure already normalized to platform endianness | |
411 | * shifted to avoid unaligned access on 64 bit architecture | |
412 | */ | |
413 | rid->node_name = ((u64)pg0->WWNN.High) << 32 | (u64)pg0->WWNN.Low; | |
414 | rid->port_name = ((u64)pg0->WWPN.High) << 32 | (u64)pg0->WWPN.Low; | |
415 | rid->port_id = pg0->PortIdentifier; | |
416 | rid->roles = FC_RPORT_ROLE_UNKNOWN; | |
05e8ec17 MR |
417 | |
418 | return 0; | |
419 | } | |
420 | ||
421 | static void | |
422 | mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0) | |
423 | { | |
424 | struct fc_rport_identifiers rport_ids; | |
425 | struct fc_rport *rport; | |
426 | struct mptfc_rport_info *ri; | |
3bc7bf1d | 427 | int new_ri = 1; |
65207fed | 428 | u64 pn, nn; |
3bc7bf1d | 429 | VirtTarget *vtarget; |
6dd727da | 430 | u32 roles = FC_RPORT_ROLE_UNKNOWN; |
05e8ec17 MR |
431 | |
432 | if (mptfc_generate_rport_ids(pg0, &rport_ids) < 0) | |
433 | return; | |
434 | ||
6dd727da | 435 | roles |= FC_RPORT_ROLE_FCP_TARGET; |
436 | if (pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_INITIATOR) | |
437 | roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
438 | ||
05e8ec17 | 439 | /* scan list looking for a match */ |
05e8ec17 | 440 | list_for_each_entry(ri, &ioc->fc_rports, list) { |
3bc7bf1d MR |
441 | pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low; |
442 | if (pn == rport_ids.port_name) { /* match */ | |
05e8ec17 | 443 | list_move_tail(&ri->list, &ioc->fc_rports); |
3bc7bf1d | 444 | new_ri = 0; |
05e8ec17 MR |
445 | break; |
446 | } | |
447 | } | |
3bc7bf1d | 448 | if (new_ri) { /* allocate one */ |
05e8ec17 MR |
449 | ri = kzalloc(sizeof(struct mptfc_rport_info), GFP_KERNEL); |
450 | if (!ri) | |
451 | return; | |
05e8ec17 MR |
452 | list_add_tail(&ri->list, &ioc->fc_rports); |
453 | } | |
454 | ||
455 | ri->pg0 = *pg0; /* add/update pg0 data */ | |
456 | ri->flags &= ~MPT_RPORT_INFO_FLAGS_MISSING; | |
457 | ||
3bc7bf1d | 458 | /* MPT_RPORT_INFO_FLAGS_REGISTERED - rport not previously deleted */ |
05e8ec17 MR |
459 | if (!(ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED)) { |
460 | ri->flags |= MPT_RPORT_INFO_FLAGS_REGISTERED; | |
3bc7bf1d | 461 | rport = fc_remote_port_add(ioc->sh, channel, &rport_ids); |
05e8ec17 | 462 | if (rport) { |
3bc7bf1d MR |
463 | ri->rport = rport; |
464 | if (new_ri) /* may have been reset by user */ | |
465 | rport->dev_loss_tmo = mptfc_dev_loss_tmo; | |
05e8ec17 MR |
466 | /* |
467 | * if already mapped, remap here. If not mapped, | |
3bc7bf1d | 468 | * target_alloc will allocate vtarget and map, |
a69de507 | 469 | * slave_alloc will fill in vdevice from vtarget. |
05e8ec17 | 470 | */ |
3bc7bf1d MR |
471 | if (ri->starget) { |
472 | vtarget = ri->starget->hostdata; | |
473 | if (vtarget) { | |
793955f5 EM |
474 | vtarget->id = pg0->CurrentTargetID; |
475 | vtarget->channel = pg0->CurrentBus; | |
08f5c5c2 | 476 | vtarget->deleted = 0; |
3bc7bf1d | 477 | } |
05e8ec17 | 478 | } |
65207fed | 479 | *((struct mptfc_rport_info **)rport->dd_data) = ri; |
6dd727da | 480 | /* scan will be scheduled once rport becomes a target */ |
481 | fc_remote_port_rolechg(rport,roles); | |
65207fed ME |
482 | |
483 | pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low; | |
484 | nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low; | |
d6ecdd63 | 485 | dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT |
3bc7bf1d | 486 | "mptfc_reg_dev.%d: %x, %llx / %llx, tid %d, " |
05e8ec17 | 487 | "rport tid %d, tmo %d\n", |
3bc7bf1d | 488 | ioc->name, |
914c2d8e | 489 | ioc->sh->host_no, |
05e8ec17 | 490 | pg0->PortIdentifier, |
65207fed ME |
491 | (unsigned long long)nn, |
492 | (unsigned long long)pn, | |
05e8ec17 MR |
493 | pg0->CurrentTargetID, |
494 | ri->rport->scsi_target_id, | |
3bc7bf1d | 495 | ri->rport->dev_loss_tmo)); |
05e8ec17 MR |
496 | } else { |
497 | list_del(&ri->list); | |
498 | kfree(ri); | |
499 | ri = NULL; | |
500 | } | |
501 | } | |
05e8ec17 MR |
502 | } |
503 | ||
3bc7bf1d MR |
504 | /* |
505 | * OS entry point to allow for host driver to free allocated memory | |
506 | * Called if no device present or device being unloaded | |
507 | */ | |
508 | static void | |
509 | mptfc_target_destroy(struct scsi_target *starget) | |
510 | { | |
511 | struct fc_rport *rport; | |
512 | struct mptfc_rport_info *ri; | |
513 | ||
514 | rport = starget_to_rport(starget); | |
515 | if (rport) { | |
516 | ri = *((struct mptfc_rport_info **)rport->dd_data); | |
517 | if (ri) /* better be! */ | |
518 | ri->starget = NULL; | |
519 | } | |
5074b1b6 | 520 | kfree(starget->hostdata); |
3bc7bf1d MR |
521 | starget->hostdata = NULL; |
522 | } | |
523 | ||
524 | /* | |
525 | * OS entry point to allow host driver to alloc memory | |
526 | * for each scsi target. Called once per device the bus scan. | |
527 | * Return non-zero if allocation fails. | |
528 | */ | |
529 | static int | |
530 | mptfc_target_alloc(struct scsi_target *starget) | |
531 | { | |
532 | VirtTarget *vtarget; | |
533 | struct fc_rport *rport; | |
534 | struct mptfc_rport_info *ri; | |
535 | int rc; | |
536 | ||
537 | vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL); | |
538 | if (!vtarget) | |
539 | return -ENOMEM; | |
540 | starget->hostdata = vtarget; | |
541 | ||
542 | rc = -ENODEV; | |
543 | rport = starget_to_rport(starget); | |
544 | if (rport) { | |
545 | ri = *((struct mptfc_rport_info **)rport->dd_data); | |
546 | if (ri) { /* better be! */ | |
793955f5 EM |
547 | vtarget->id = ri->pg0.CurrentTargetID; |
548 | vtarget->channel = ri->pg0.CurrentBus; | |
3bc7bf1d | 549 | ri->starget = starget; |
3bc7bf1d MR |
550 | rc = 0; |
551 | } | |
552 | } | |
553 | if (rc != 0) { | |
554 | kfree(vtarget); | |
555 | starget->hostdata = NULL; | |
556 | } | |
557 | ||
558 | return rc; | |
559 | } | |
d6ecdd63 PS |
560 | /* |
561 | * mptfc_dump_lun_info | |
562 | * @ioc | |
563 | * @rport | |
564 | * @sdev | |
565 | * | |
566 | */ | |
567 | static void | |
568 | mptfc_dump_lun_info(MPT_ADAPTER *ioc, struct fc_rport *rport, struct scsi_device *sdev, | |
569 | VirtTarget *vtarget) | |
570 | { | |
571 | u64 nn, pn; | |
572 | struct mptfc_rport_info *ri; | |
573 | ||
574 | ri = *((struct mptfc_rport_info **)rport->dd_data); | |
575 | pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low; | |
576 | nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low; | |
577 | dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT | |
578 | "mptfc_slv_alloc.%d: num_luns %d, sdev.id %d, " | |
579 | "CurrentTargetID %d, %x %llx %llx\n", | |
580 | ioc->name, | |
581 | sdev->host->host_no, | |
582 | vtarget->num_luns, | |
583 | sdev->id, ri->pg0.CurrentTargetID, | |
584 | ri->pg0.PortIdentifier, | |
585 | (unsigned long long)pn, | |
586 | (unsigned long long)nn)); | |
587 | } | |
588 | ||
3bc7bf1d | 589 | |
2496af39 | 590 | /* |
05e8ec17 MR |
591 | * OS entry point to allow host driver to alloc memory |
592 | * for each scsi device. Called once per device the bus scan. | |
593 | * Return non-zero if allocation fails. | |
594 | * Init memory once per LUN. | |
2496af39 | 595 | */ |
03fbcbcd | 596 | static int |
05e8ec17 MR |
597 | mptfc_slave_alloc(struct scsi_device *sdev) |
598 | { | |
599 | MPT_SCSI_HOST *hd; | |
600 | VirtTarget *vtarget; | |
a69de507 | 601 | VirtDevice *vdevice; |
05e8ec17 MR |
602 | struct scsi_target *starget; |
603 | struct fc_rport *rport; | |
e80b002b | 604 | MPT_ADAPTER *ioc; |
05e8ec17 | 605 | |
65207fed ME |
606 | starget = scsi_target(sdev); |
607 | rport = starget_to_rport(starget); | |
05e8ec17 MR |
608 | |
609 | if (!rport || fc_remote_port_chkready(rport)) | |
610 | return -ENXIO; | |
611 | ||
e7eae9f6 | 612 | hd = shost_priv(sdev->host); |
e80b002b | 613 | ioc = hd->ioc; |
05e8ec17 | 614 | |
a69de507 EM |
615 | vdevice = kzalloc(sizeof(VirtDevice), GFP_KERNEL); |
616 | if (!vdevice) { | |
05e8ec17 | 617 | printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n", |
e80b002b | 618 | ioc->name, sizeof(VirtDevice)); |
05e8ec17 MR |
619 | return -ENOMEM; |
620 | } | |
05e8ec17 | 621 | |
05e8ec17 | 622 | |
a69de507 | 623 | sdev->hostdata = vdevice; |
05e8ec17 | 624 | vtarget = starget->hostdata; |
3bc7bf1d | 625 | |
05e8ec17 | 626 | if (vtarget->num_luns == 0) { |
e80b002b | 627 | vtarget->ioc_id = ioc->id; |
ba856d32 | 628 | vtarget->tflags = MPT_TARGET_FLAGS_Q_YES; |
05e8ec17 MR |
629 | } |
630 | ||
a69de507 EM |
631 | vdevice->vtarget = vtarget; |
632 | vdevice->lun = sdev->lun; | |
05e8ec17 | 633 | |
05e8ec17 MR |
634 | vtarget->num_luns++; |
635 | ||
65207fed | 636 | |
e80b002b | 637 | mptfc_dump_lun_info(ioc, rport, sdev, vtarget); |
05e8ec17 MR |
638 | |
639 | return 0; | |
640 | } | |
641 | ||
642 | static int | |
a48ac9e5 | 643 | mptfc_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *SCpnt) |
05e8ec17 | 644 | { |
3bc7bf1d | 645 | struct mptfc_rport_info *ri; |
05e8ec17 MR |
646 | struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device)); |
647 | int err; | |
a69de507 | 648 | VirtDevice *vdevice = SCpnt->device->hostdata; |
05e8ec17 | 649 | |
a69de507 | 650 | if (!vdevice || !vdevice->vtarget) { |
793955f5 | 651 | SCpnt->result = DID_NO_CONNECT << 16; |
1ae6d167 | 652 | scsi_done(SCpnt); |
05e8ec17 MR |
653 | return 0; |
654 | } | |
65207fed | 655 | |
793955f5 EM |
656 | err = fc_remote_port_chkready(rport); |
657 | if (unlikely(err)) { | |
658 | SCpnt->result = err; | |
1ae6d167 | 659 | scsi_done(SCpnt); |
35508e46 MR |
660 | return 0; |
661 | } | |
662 | ||
65207fed | 663 | /* dd_data is null until finished adding target */ |
3bc7bf1d | 664 | ri = *((struct mptfc_rport_info **)rport->dd_data); |
65207fed | 665 | if (unlikely(!ri)) { |
65207fed | 666 | SCpnt->result = DID_IMM_RETRY << 16; |
1ae6d167 | 667 | scsi_done(SCpnt); |
65207fed ME |
668 | return 0; |
669 | } | |
3bc7bf1d | 670 | |
a48ac9e5 | 671 | return mptscsih_qcmd(SCpnt); |
05e8ec17 MR |
672 | } |
673 | ||
eb5329f4 PS |
674 | /* |
675 | * mptfc_display_port_link_speed - displaying link speed | |
676 | * @ioc: Pointer to MPT_ADAPTER structure | |
677 | * @portnum: IOC Port number | |
678 | * @pp0dest: port page0 data payload | |
679 | * | |
680 | */ | |
681 | static void | |
682 | mptfc_display_port_link_speed(MPT_ADAPTER *ioc, int portnum, FCPortPage0_t *pp0dest) | |
683 | { | |
684 | u8 old_speed, new_speed, state; | |
685 | char *old, *new; | |
686 | ||
687 | if (portnum >= 2) | |
688 | return; | |
689 | ||
690 | old_speed = ioc->fc_link_speed[portnum]; | |
691 | new_speed = pp0dest->CurrentSpeed; | |
692 | state = pp0dest->PortState; | |
693 | ||
694 | if (state != MPI_FCPORTPAGE0_PORTSTATE_OFFLINE && | |
bcbba7bb | 695 | new_speed != MPI_FCPORTPAGE0_CURRENT_SPEED_UNKNOWN) { |
eb5329f4 PS |
696 | |
697 | old = old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT ? "1 Gbps" : | |
698 | old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT ? "2 Gbps" : | |
699 | old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT ? "4 Gbps" : | |
700 | "Unknown"; | |
701 | new = new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT ? "1 Gbps" : | |
702 | new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT ? "2 Gbps" : | |
703 | new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT ? "4 Gbps" : | |
704 | "Unknown"; | |
705 | if (old_speed == 0) | |
706 | printk(MYIOC_s_NOTE_FMT | |
707 | "FC Link Established, Speed = %s\n", | |
708 | ioc->name, new); | |
709 | else if (old_speed != new_speed) | |
710 | printk(MYIOC_s_WARN_FMT | |
711 | "FC Link Speed Change, Old Speed = %s, New Speed = %s\n", | |
712 | ioc->name, old, new); | |
713 | ||
714 | ioc->fc_link_speed[portnum] = new_speed; | |
715 | } | |
716 | } | |
717 | ||
80d3ac77 MR |
718 | /* |
719 | * mptfc_GetFcPortPage0 - Fetch FCPort config Page0. | |
720 | * @ioc: Pointer to MPT_ADAPTER structure | |
721 | * @portnum: IOC Port number | |
722 | * | |
723 | * Return: 0 for success | |
724 | * -ENOMEM if no memory available | |
725 | * -EPERM if not allowed due to ISR context | |
726 | * -EAGAIN if no msg frames currently available | |
727 | * -EFAULT for non-successful reply or no reply (timeout) | |
728 | * -EINVAL portnum arg out of range (hardwired to two elements) | |
729 | */ | |
730 | static int | |
731 | mptfc_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum) | |
732 | { | |
733 | ConfigPageHeader_t hdr; | |
734 | CONFIGPARMS cfg; | |
735 | FCPortPage0_t *ppage0_alloc; | |
736 | FCPortPage0_t *pp0dest; | |
737 | dma_addr_t page0_dma; | |
738 | int data_sz; | |
739 | int copy_sz; | |
740 | int rc; | |
741 | int count = 400; | |
742 | ||
743 | if (portnum > 1) | |
744 | return -EINVAL; | |
745 | ||
746 | /* Get FCPort Page 0 header */ | |
747 | hdr.PageVersion = 0; | |
748 | hdr.PageLength = 0; | |
749 | hdr.PageNumber = 0; | |
750 | hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT; | |
751 | cfg.cfghdr.hdr = &hdr; | |
752 | cfg.physAddr = -1; | |
753 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | |
754 | cfg.dir = 0; | |
755 | cfg.pageAddr = portnum; | |
756 | cfg.timeout = 0; | |
757 | ||
758 | if ((rc = mpt_config(ioc, &cfg)) != 0) | |
759 | return rc; | |
760 | ||
761 | if (hdr.PageLength == 0) | |
762 | return 0; | |
763 | ||
764 | data_sz = hdr.PageLength * 4; | |
765 | rc = -ENOMEM; | |
1897c5c7 CJ |
766 | ppage0_alloc = dma_alloc_coherent(&ioc->pcidev->dev, data_sz, |
767 | &page0_dma, GFP_KERNEL); | |
80d3ac77 MR |
768 | if (ppage0_alloc) { |
769 | ||
770 | try_again: | |
771 | memset((u8 *)ppage0_alloc, 0, data_sz); | |
772 | cfg.physAddr = page0_dma; | |
773 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | |
774 | ||
775 | if ((rc = mpt_config(ioc, &cfg)) == 0) { | |
776 | /* save the data */ | |
777 | pp0dest = &ioc->fc_port_page0[portnum]; | |
778 | copy_sz = min_t(int, sizeof(FCPortPage0_t), data_sz); | |
779 | memcpy(pp0dest, ppage0_alloc, copy_sz); | |
780 | ||
781 | /* | |
782 | * Normalize endianness of structure data, | |
783 | * by byte-swapping all > 1 byte fields! | |
784 | */ | |
785 | pp0dest->Flags = le32_to_cpu(pp0dest->Flags); | |
786 | pp0dest->PortIdentifier = le32_to_cpu(pp0dest->PortIdentifier); | |
787 | pp0dest->WWNN.Low = le32_to_cpu(pp0dest->WWNN.Low); | |
788 | pp0dest->WWNN.High = le32_to_cpu(pp0dest->WWNN.High); | |
789 | pp0dest->WWPN.Low = le32_to_cpu(pp0dest->WWPN.Low); | |
790 | pp0dest->WWPN.High = le32_to_cpu(pp0dest->WWPN.High); | |
791 | pp0dest->SupportedServiceClass = le32_to_cpu(pp0dest->SupportedServiceClass); | |
792 | pp0dest->SupportedSpeeds = le32_to_cpu(pp0dest->SupportedSpeeds); | |
793 | pp0dest->CurrentSpeed = le32_to_cpu(pp0dest->CurrentSpeed); | |
794 | pp0dest->MaxFrameSize = le32_to_cpu(pp0dest->MaxFrameSize); | |
795 | pp0dest->FabricWWNN.Low = le32_to_cpu(pp0dest->FabricWWNN.Low); | |
796 | pp0dest->FabricWWNN.High = le32_to_cpu(pp0dest->FabricWWNN.High); | |
797 | pp0dest->FabricWWPN.Low = le32_to_cpu(pp0dest->FabricWWPN.Low); | |
798 | pp0dest->FabricWWPN.High = le32_to_cpu(pp0dest->FabricWWPN.High); | |
799 | pp0dest->DiscoveredPortsCount = le32_to_cpu(pp0dest->DiscoveredPortsCount); | |
800 | pp0dest->MaxInitiators = le32_to_cpu(pp0dest->MaxInitiators); | |
801 | ||
802 | /* | |
803 | * if still doing discovery, | |
804 | * hang loose a while until finished | |
805 | */ | |
77d88ee2 MR |
806 | if ((pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_UNKNOWN) || |
807 | (pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE && | |
808 | (pp0dest->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_TYPE_MASK) | |
809 | == MPI_FCPORTPAGE0_FLAGS_ATTACH_NO_INIT)) { | |
80d3ac77 | 810 | if (count-- > 0) { |
d6be06c8 | 811 | msleep(100); |
80d3ac77 MR |
812 | goto try_again; |
813 | } | |
814 | printk(MYIOC_s_INFO_FMT "Firmware discovery not" | |
815 | " complete.\n", | |
816 | ioc->name); | |
817 | } | |
eb5329f4 | 818 | mptfc_display_port_link_speed(ioc, portnum, pp0dest); |
80d3ac77 MR |
819 | } |
820 | ||
1897c5c7 CJ |
821 | dma_free_coherent(&ioc->pcidev->dev, data_sz, ppage0_alloc, |
822 | page0_dma); | |
80d3ac77 MR |
823 | } |
824 | ||
825 | return rc; | |
826 | } | |
827 | ||
ca2f938e MR |
828 | static int |
829 | mptfc_WriteFcPortPage1(MPT_ADAPTER *ioc, int portnum) | |
830 | { | |
831 | ConfigPageHeader_t hdr; | |
832 | CONFIGPARMS cfg; | |
833 | int rc; | |
834 | ||
835 | if (portnum > 1) | |
836 | return -EINVAL; | |
837 | ||
838 | if (!(ioc->fc_data.fc_port_page1[portnum].data)) | |
839 | return -EINVAL; | |
840 | ||
841 | /* get fcport page 1 header */ | |
842 | hdr.PageVersion = 0; | |
843 | hdr.PageLength = 0; | |
844 | hdr.PageNumber = 1; | |
845 | hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT; | |
846 | cfg.cfghdr.hdr = &hdr; | |
847 | cfg.physAddr = -1; | |
848 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | |
849 | cfg.dir = 0; | |
850 | cfg.pageAddr = portnum; | |
851 | cfg.timeout = 0; | |
852 | ||
853 | if ((rc = mpt_config(ioc, &cfg)) != 0) | |
854 | return rc; | |
855 | ||
856 | if (hdr.PageLength == 0) | |
857 | return -ENODEV; | |
858 | ||
859 | if (hdr.PageLength*4 != ioc->fc_data.fc_port_page1[portnum].pg_sz) | |
860 | return -EINVAL; | |
861 | ||
862 | cfg.physAddr = ioc->fc_data.fc_port_page1[portnum].dma; | |
863 | cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT; | |
864 | cfg.dir = 1; | |
865 | ||
866 | rc = mpt_config(ioc, &cfg); | |
867 | ||
868 | return rc; | |
869 | } | |
870 | ||
871 | static int | |
872 | mptfc_GetFcPortPage1(MPT_ADAPTER *ioc, int portnum) | |
873 | { | |
874 | ConfigPageHeader_t hdr; | |
875 | CONFIGPARMS cfg; | |
876 | FCPortPage1_t *page1_alloc; | |
877 | dma_addr_t page1_dma; | |
878 | int data_sz; | |
879 | int rc; | |
880 | ||
881 | if (portnum > 1) | |
882 | return -EINVAL; | |
883 | ||
884 | /* get fcport page 1 header */ | |
885 | hdr.PageVersion = 0; | |
886 | hdr.PageLength = 0; | |
887 | hdr.PageNumber = 1; | |
888 | hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT; | |
889 | cfg.cfghdr.hdr = &hdr; | |
890 | cfg.physAddr = -1; | |
891 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; | |
892 | cfg.dir = 0; | |
893 | cfg.pageAddr = portnum; | |
894 | cfg.timeout = 0; | |
895 | ||
896 | if ((rc = mpt_config(ioc, &cfg)) != 0) | |
897 | return rc; | |
898 | ||
899 | if (hdr.PageLength == 0) | |
900 | return -ENODEV; | |
901 | ||
902 | start_over: | |
903 | ||
904 | if (ioc->fc_data.fc_port_page1[portnum].data == NULL) { | |
905 | data_sz = hdr.PageLength * 4; | |
906 | if (data_sz < sizeof(FCPortPage1_t)) | |
907 | data_sz = sizeof(FCPortPage1_t); | |
908 | ||
1897c5c7 CJ |
909 | page1_alloc = dma_alloc_coherent(&ioc->pcidev->dev, data_sz, |
910 | &page1_dma, GFP_KERNEL); | |
ca2f938e MR |
911 | if (!page1_alloc) |
912 | return -ENOMEM; | |
913 | } | |
914 | else { | |
915 | page1_alloc = ioc->fc_data.fc_port_page1[portnum].data; | |
916 | page1_dma = ioc->fc_data.fc_port_page1[portnum].dma; | |
917 | data_sz = ioc->fc_data.fc_port_page1[portnum].pg_sz; | |
918 | if (hdr.PageLength * 4 > data_sz) { | |
919 | ioc->fc_data.fc_port_page1[portnum].data = NULL; | |
1897c5c7 CJ |
920 | dma_free_coherent(&ioc->pcidev->dev, data_sz, |
921 | page1_alloc, page1_dma); | |
ca2f938e MR |
922 | goto start_over; |
923 | } | |
924 | } | |
925 | ||
ca2f938e MR |
926 | cfg.physAddr = page1_dma; |
927 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | |
928 | ||
929 | if ((rc = mpt_config(ioc, &cfg)) == 0) { | |
930 | ioc->fc_data.fc_port_page1[portnum].data = page1_alloc; | |
931 | ioc->fc_data.fc_port_page1[portnum].pg_sz = data_sz; | |
932 | ioc->fc_data.fc_port_page1[portnum].dma = page1_dma; | |
933 | } | |
934 | else { | |
935 | ioc->fc_data.fc_port_page1[portnum].data = NULL; | |
1897c5c7 CJ |
936 | dma_free_coherent(&ioc->pcidev->dev, data_sz, page1_alloc, |
937 | page1_dma); | |
ca2f938e MR |
938 | } |
939 | ||
940 | return rc; | |
941 | } | |
942 | ||
943 | static void | |
944 | mptfc_SetFcPortPage1_defaults(MPT_ADAPTER *ioc) | |
945 | { | |
946 | int ii; | |
947 | FCPortPage1_t *pp1; | |
948 | ||
949 | #define MPTFC_FW_DEVICE_TIMEOUT (1) | |
950 | #define MPTFC_FW_IO_PEND_TIMEOUT (1) | |
951 | #define ON_FLAGS (MPI_FCPORTPAGE1_FLAGS_IMMEDIATE_ERROR_REPLY) | |
952 | #define OFF_FLAGS (MPI_FCPORTPAGE1_FLAGS_VERBOSE_RESCAN_EVENTS) | |
953 | ||
954 | for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) { | |
955 | if (mptfc_GetFcPortPage1(ioc, ii) != 0) | |
956 | continue; | |
957 | pp1 = ioc->fc_data.fc_port_page1[ii].data; | |
958 | if ((pp1->InitiatorDeviceTimeout == MPTFC_FW_DEVICE_TIMEOUT) | |
959 | && (pp1->InitiatorIoPendTimeout == MPTFC_FW_IO_PEND_TIMEOUT) | |
960 | && ((pp1->Flags & ON_FLAGS) == ON_FLAGS) | |
961 | && ((pp1->Flags & OFF_FLAGS) == 0)) | |
962 | continue; | |
963 | pp1->InitiatorDeviceTimeout = MPTFC_FW_DEVICE_TIMEOUT; | |
964 | pp1->InitiatorIoPendTimeout = MPTFC_FW_IO_PEND_TIMEOUT; | |
965 | pp1->Flags &= ~OFF_FLAGS; | |
966 | pp1->Flags |= ON_FLAGS; | |
967 | mptfc_WriteFcPortPage1(ioc, ii); | |
968 | } | |
969 | } | |
970 | ||
971 | ||
05e8ec17 MR |
972 | static void |
973 | mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum) | |
974 | { | |
5d947f2b MR |
975 | unsigned class = 0; |
976 | unsigned cos = 0; | |
977 | unsigned speed; | |
978 | unsigned port_type; | |
979 | unsigned port_state; | |
980 | FCPortPage0_t *pp0; | |
981 | struct Scsi_Host *sh; | |
982 | char *sn; | |
05e8ec17 MR |
983 | |
984 | /* don't know what to do as only one scsi (fc) host was allocated */ | |
985 | if (portnum != 0) | |
986 | return; | |
987 | ||
5d947f2b MR |
988 | pp0 = &ioc->fc_port_page0[portnum]; |
989 | sh = ioc->sh; | |
990 | ||
991 | sn = fc_host_symbolic_name(sh); | |
992 | snprintf(sn, FC_SYMBOLIC_NAME_SIZE, "%s %s%08xh", | |
993 | ioc->prod_name, | |
994 | MPT_FW_REV_MAGIC_ID_STRING, | |
995 | ioc->facts.FWVersion.Word); | |
996 | ||
997 | fc_host_tgtid_bind_type(sh) = FC_TGTID_BIND_BY_WWPN; | |
998 | ||
999 | fc_host_maxframe_size(sh) = pp0->MaxFrameSize; | |
1000 | ||
1001 | fc_host_node_name(sh) = | |
1002 | (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low; | |
1003 | ||
1004 | fc_host_port_name(sh) = | |
1005 | (u64)pp0->WWPN.High << 32 | (u64)pp0->WWPN.Low; | |
1006 | ||
1007 | fc_host_port_id(sh) = pp0->PortIdentifier; | |
1008 | ||
1009 | class = pp0->SupportedServiceClass; | |
05e8ec17 MR |
1010 | if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_1) |
1011 | cos |= FC_COS_CLASS1; | |
1012 | if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_2) | |
1013 | cos |= FC_COS_CLASS2; | |
1014 | if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_3) | |
1015 | cos |= FC_COS_CLASS3; | |
5d947f2b MR |
1016 | fc_host_supported_classes(sh) = cos; |
1017 | ||
1018 | if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT) | |
1019 | speed = FC_PORTSPEED_1GBIT; | |
1020 | else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT) | |
1021 | speed = FC_PORTSPEED_2GBIT; | |
1022 | else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT) | |
1023 | speed = FC_PORTSPEED_4GBIT; | |
1024 | else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_10GBIT) | |
1025 | speed = FC_PORTSPEED_10GBIT; | |
1026 | else | |
1027 | speed = FC_PORTSPEED_UNKNOWN; | |
1028 | fc_host_speed(sh) = speed; | |
1029 | ||
1030 | speed = 0; | |
1031 | if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_1GBIT_SPEED) | |
1032 | speed |= FC_PORTSPEED_1GBIT; | |
1033 | if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_2GBIT_SPEED) | |
1034 | speed |= FC_PORTSPEED_2GBIT; | |
1035 | if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_4GBIT_SPEED) | |
1036 | speed |= FC_PORTSPEED_4GBIT; | |
1037 | if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_10GBIT_SPEED) | |
1038 | speed |= FC_PORTSPEED_10GBIT; | |
1039 | fc_host_supported_speeds(sh) = speed; | |
1040 | ||
1041 | port_state = FC_PORTSTATE_UNKNOWN; | |
1042 | if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE) | |
1043 | port_state = FC_PORTSTATE_ONLINE; | |
1044 | else if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_OFFLINE) | |
1045 | port_state = FC_PORTSTATE_LINKDOWN; | |
1046 | fc_host_port_state(sh) = port_state; | |
1047 | ||
1048 | port_type = FC_PORTTYPE_UNKNOWN; | |
1049 | if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_POINT_TO_POINT) | |
1050 | port_type = FC_PORTTYPE_PTP; | |
1051 | else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PRIVATE_LOOP) | |
1052 | port_type = FC_PORTTYPE_LPORT; | |
1053 | else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PUBLIC_LOOP) | |
1054 | port_type = FC_PORTTYPE_NLPORT; | |
1055 | else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_FABRIC_DIRECT) | |
1056 | port_type = FC_PORTTYPE_NPORT; | |
1057 | fc_host_port_type(sh) = port_type; | |
1058 | ||
1059 | fc_host_fabric_name(sh) = | |
1060 | (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_FABRIC_WWN_VALID) ? | |
1061 | (u64) pp0->FabricWWNN.High << 32 | (u64) pp0->FabricWWPN.Low : | |
1062 | (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low; | |
05e8ec17 | 1063 | |
05e8ec17 MR |
1064 | } |
1065 | ||
eb5329f4 PS |
1066 | static void |
1067 | mptfc_link_status_change(struct work_struct *work) | |
1068 | { | |
1069 | MPT_ADAPTER *ioc = | |
1070 | container_of(work, MPT_ADAPTER, fc_rescan_work); | |
1071 | int ii; | |
1072 | ||
1073 | for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) | |
1074 | (void) mptfc_GetFcPortPage0(ioc, ii); | |
1075 | ||
1076 | } | |
1077 | ||
419835e2 | 1078 | static void |
c4028958 | 1079 | mptfc_setup_reset(struct work_struct *work) |
419835e2 | 1080 | { |
c4028958 DH |
1081 | MPT_ADAPTER *ioc = |
1082 | container_of(work, MPT_ADAPTER, fc_setup_reset_work); | |
419835e2 MR |
1083 | u64 pn; |
1084 | struct mptfc_rport_info *ri; | |
08f5c5c2 KD |
1085 | struct scsi_target *starget; |
1086 | VirtTarget *vtarget; | |
419835e2 MR |
1087 | |
1088 | /* reset about to happen, delete (block) all rports */ | |
1089 | list_for_each_entry(ri, &ioc->fc_rports, list) { | |
1090 | if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) { | |
1091 | ri->flags &= ~MPT_RPORT_INFO_FLAGS_REGISTERED; | |
1092 | fc_remote_port_delete(ri->rport); /* won't sleep */ | |
1093 | ri->rport = NULL; | |
08f5c5c2 KD |
1094 | starget = ri->starget; |
1095 | if (starget) { | |
1096 | vtarget = starget->hostdata; | |
1097 | if (vtarget) | |
1098 | vtarget->deleted = 1; | |
1099 | } | |
419835e2 MR |
1100 | |
1101 | pn = (u64)ri->pg0.WWPN.High << 32 | | |
1102 | (u64)ri->pg0.WWPN.Low; | |
d6ecdd63 | 1103 | dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT |
419835e2 MR |
1104 | "mptfc_setup_reset.%d: %llx deleted\n", |
1105 | ioc->name, | |
1106 | ioc->sh->host_no, | |
1107 | (unsigned long long)pn)); | |
1108 | } | |
1109 | } | |
1110 | } | |
1111 | ||
05e8ec17 | 1112 | static void |
c4028958 | 1113 | mptfc_rescan_devices(struct work_struct *work) |
05e8ec17 | 1114 | { |
c4028958 DH |
1115 | MPT_ADAPTER *ioc = |
1116 | container_of(work, MPT_ADAPTER, fc_rescan_work); | |
05e8ec17 | 1117 | int ii; |
65207fed | 1118 | u64 pn; |
05e8ec17 | 1119 | struct mptfc_rport_info *ri; |
08f5c5c2 KD |
1120 | struct scsi_target *starget; |
1121 | VirtTarget *vtarget; | |
05e8ec17 | 1122 | |
3a0c56d8 MR |
1123 | /* start by tagging all ports as missing */ |
1124 | list_for_each_entry(ri, &ioc->fc_rports, list) { | |
1125 | if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) { | |
1126 | ri->flags |= MPT_RPORT_INFO_FLAGS_MISSING; | |
05e8ec17 | 1127 | } |
3a0c56d8 | 1128 | } |
05e8ec17 | 1129 | |
3a0c56d8 MR |
1130 | /* |
1131 | * now rescan devices known to adapter, | |
1132 | * will reregister existing rports | |
1133 | */ | |
1134 | for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) { | |
1135 | (void) mptfc_GetFcPortPage0(ioc, ii); | |
1136 | mptfc_init_host_attr(ioc, ii); /* refresh */ | |
1137 | mptfc_GetFcDevPage0(ioc, ii, mptfc_register_dev); | |
1138 | } | |
05e8ec17 | 1139 | |
3a0c56d8 MR |
1140 | /* delete devices still missing */ |
1141 | list_for_each_entry(ri, &ioc->fc_rports, list) { | |
1142 | /* if newly missing, delete it */ | |
1143 | if (ri->flags & MPT_RPORT_INFO_FLAGS_MISSING) { | |
05e8ec17 | 1144 | |
3a0c56d8 MR |
1145 | ri->flags &= ~(MPT_RPORT_INFO_FLAGS_REGISTERED| |
1146 | MPT_RPORT_INFO_FLAGS_MISSING); | |
1147 | fc_remote_port_delete(ri->rport); /* won't sleep */ | |
1148 | ri->rport = NULL; | |
08f5c5c2 KD |
1149 | starget = ri->starget; |
1150 | if (starget) { | |
1151 | vtarget = starget->hostdata; | |
1152 | if (vtarget) | |
1153 | vtarget->deleted = 1; | |
1154 | } | |
65207fed | 1155 | |
3a0c56d8 MR |
1156 | pn = (u64)ri->pg0.WWPN.High << 32 | |
1157 | (u64)ri->pg0.WWPN.Low; | |
d6ecdd63 | 1158 | dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT |
3a0c56d8 MR |
1159 | "mptfc_rescan.%d: %llx deleted\n", |
1160 | ioc->name, | |
1161 | ioc->sh->host_no, | |
1162 | (unsigned long long)pn)); | |
05e8ec17 | 1163 | } |
3a0c56d8 | 1164 | } |
05e8ec17 MR |
1165 | } |
1166 | ||
2496af39 MED |
1167 | static int |
1168 | mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id) | |
1169 | { | |
1170 | struct Scsi_Host *sh; | |
1171 | MPT_SCSI_HOST *hd; | |
1172 | MPT_ADAPTER *ioc; | |
1173 | unsigned long flags; | |
1ca00bb7 | 1174 | int ii; |
2496af39 MED |
1175 | int numSGE = 0; |
1176 | int scale; | |
1177 | int ioc_cap; | |
2496af39 MED |
1178 | int error=0; |
1179 | int r; | |
05e8ec17 | 1180 | |
2496af39 MED |
1181 | if ((r = mpt_attach(pdev,id)) != 0) |
1182 | return r; | |
05e8ec17 | 1183 | |
2496af39 | 1184 | ioc = pci_get_drvdata(pdev); |
d335cc38 MED |
1185 | ioc->DoneCtx = mptfcDoneCtx; |
1186 | ioc->TaskCtx = mptfcTaskCtx; | |
1187 | ioc->InternalCtx = mptfcInternalCtx; | |
2496af39 MED |
1188 | |
1189 | /* Added sanity check on readiness of the MPT adapter. | |
1190 | */ | |
1191 | if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) { | |
1192 | printk(MYIOC_s_WARN_FMT | |
1193 | "Skipping because it's not operational!\n", | |
1194 | ioc->name); | |
7acec1e7 MED |
1195 | error = -ENODEV; |
1196 | goto out_mptfc_probe; | |
2496af39 MED |
1197 | } |
1198 | ||
1199 | if (!ioc->active) { | |
1200 | printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n", | |
1201 | ioc->name); | |
7acec1e7 MED |
1202 | error = -ENODEV; |
1203 | goto out_mptfc_probe; | |
2496af39 MED |
1204 | } |
1205 | ||
1206 | /* Sanity check - ensure at least 1 port is INITIATOR capable | |
1207 | */ | |
1208 | ioc_cap = 0; | |
1209 | for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) { | |
1210 | if (ioc->pfacts[ii].ProtocolFlags & | |
1211 | MPI_PORTFACTS_PROTOCOL_INITIATOR) | |
1212 | ioc_cap ++; | |
1213 | } | |
1214 | ||
1215 | if (!ioc_cap) { | |
1216 | printk(MYIOC_s_WARN_FMT | |
1217 | "Skipping ioc=%p because SCSI Initiator mode is NOT enabled!\n", | |
1218 | ioc->name, ioc); | |
793955f5 | 1219 | return 0; |
2496af39 MED |
1220 | } |
1221 | ||
1222 | sh = scsi_host_alloc(&mptfc_driver_template, sizeof(MPT_SCSI_HOST)); | |
1223 | ||
1224 | if (!sh) { | |
1225 | printk(MYIOC_s_WARN_FMT | |
1226 | "Unable to register controller with SCSI subsystem\n", | |
1227 | ioc->name); | |
7acec1e7 MED |
1228 | error = -1; |
1229 | goto out_mptfc_probe; | |
2496af39 MED |
1230 | } |
1231 | ||
80d3ac77 | 1232 | spin_lock_init(&ioc->fc_rescan_work_lock); |
c4028958 DH |
1233 | INIT_WORK(&ioc->fc_rescan_work, mptfc_rescan_devices); |
1234 | INIT_WORK(&ioc->fc_setup_reset_work, mptfc_setup_reset); | |
eb5329f4 | 1235 | INIT_WORK(&ioc->fc_lsc_work, mptfc_link_status_change); |
05e8ec17 | 1236 | |
2496af39 MED |
1237 | spin_lock_irqsave(&ioc->FreeQlock, flags); |
1238 | ||
1239 | /* Attach the SCSI Host to the IOC structure | |
1240 | */ | |
1241 | ioc->sh = sh; | |
1242 | ||
1243 | sh->io_port = 0; | |
1244 | sh->n_io_port = 0; | |
1245 | sh->irq = 0; | |
1246 | ||
1247 | /* set 16 byte cdb's */ | |
1248 | sh->max_cmd_len = 16; | |
1249 | ||
793955f5 EM |
1250 | sh->max_id = ioc->pfacts->MaxDevices; |
1251 | sh->max_lun = max_lun; | |
2496af39 | 1252 | |
2496af39 MED |
1253 | /* Required entry. |
1254 | */ | |
1255 | sh->unique_id = ioc->id; | |
1256 | ||
1257 | /* Verify that we won't exceed the maximum | |
1258 | * number of chain buffers | |
1259 | * We can optimize: ZZ = req_sz/sizeof(SGE) | |
1260 | * For 32bit SGE's: | |
1261 | * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ | |
1262 | * + (req_sz - 64)/sizeof(SGE) | |
1263 | * A slightly different algorithm is required for | |
1264 | * 64bit SGEs. | |
1265 | */ | |
14d0f0b0 KD |
1266 | scale = ioc->req_sz/ioc->SGE_size; |
1267 | if (ioc->sg_addr_size == sizeof(u64)) { | |
2496af39 MED |
1268 | numSGE = (scale - 1) * |
1269 | (ioc->facts.MaxChainDepth-1) + scale + | |
14d0f0b0 | 1270 | (ioc->req_sz - 60) / ioc->SGE_size; |
2496af39 MED |
1271 | } else { |
1272 | numSGE = 1 + (scale - 1) * | |
1273 | (ioc->facts.MaxChainDepth-1) + scale + | |
14d0f0b0 | 1274 | (ioc->req_sz - 64) / ioc->SGE_size; |
2496af39 MED |
1275 | } |
1276 | ||
1277 | if (numSGE < sh->sg_tablesize) { | |
1278 | /* Reset this value */ | |
d6ecdd63 | 1279 | dprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
2496af39 MED |
1280 | "Resetting sg_tablesize to %d from %d\n", |
1281 | ioc->name, numSGE, sh->sg_tablesize)); | |
1282 | sh->sg_tablesize = numSGE; | |
1283 | } | |
1284 | ||
2496af39 MED |
1285 | spin_unlock_irqrestore(&ioc->FreeQlock, flags); |
1286 | ||
e7eae9f6 | 1287 | hd = shost_priv(sh); |
2496af39 MED |
1288 | hd->ioc = ioc; |
1289 | ||
1290 | /* SCSI needs scsi_cmnd lookup table! | |
1291 | * (with size equal to req_depth*PtrSz!) | |
1292 | */ | |
50838500 | 1293 | ioc->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_KERNEL); |
e8206381 | 1294 | if (!ioc->ScsiLookup) { |
2496af39 | 1295 | error = -ENOMEM; |
7acec1e7 | 1296 | goto out_mptfc_probe; |
2496af39 | 1297 | } |
e8206381 | 1298 | spin_lock_init(&ioc->scsi_lookup_lock); |
2496af39 | 1299 | |
d6ecdd63 | 1300 | dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n", |
e8206381 | 1301 | ioc->name, ioc->ScsiLookup)); |
2496af39 | 1302 | |
2496af39 MED |
1303 | hd->last_queue_full = 0; |
1304 | ||
05e8ec17 | 1305 | sh->transportt = mptfc_transport_template; |
2496af39 MED |
1306 | error = scsi_add_host (sh, &ioc->pcidev->dev); |
1307 | if(error) { | |
29dd3609 EM |
1308 | dprintk(ioc, printk(MYIOC_s_ERR_FMT |
1309 | "scsi_add_host failed\n", ioc->name)); | |
7acec1e7 | 1310 | goto out_mptfc_probe; |
2496af39 MED |
1311 | } |
1312 | ||
65207fed ME |
1313 | /* initialize workqueue */ |
1314 | ||
aab0de24 KS |
1315 | snprintf(ioc->fc_rescan_work_q_name, sizeof(ioc->fc_rescan_work_q_name), |
1316 | "mptfc_wq_%d", sh->host_no); | |
65207fed | 1317 | ioc->fc_rescan_work_q = |
77d4f080 BS |
1318 | alloc_ordered_workqueue(ioc->fc_rescan_work_q_name, |
1319 | WQ_MEM_RECLAIM); | |
c08b3f9a WY |
1320 | if (!ioc->fc_rescan_work_q) { |
1321 | error = -ENOMEM; | |
cfd2aff7 | 1322 | goto out_mptfc_host; |
c08b3f9a | 1323 | } |
65207fed | 1324 | |
80d3ac77 MR |
1325 | /* |
1326 | * Pre-fetch FC port WWN and stuff... | |
1327 | * (FCPortPage0_t stuff) | |
1328 | */ | |
1329 | for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) { | |
1330 | (void) mptfc_GetFcPortPage0(ioc, ii); | |
1331 | } | |
ca2f938e | 1332 | mptfc_SetFcPortPage1_defaults(ioc); |
80d3ac77 | 1333 | |
65207fed ME |
1334 | /* |
1335 | * scan for rports - | |
1336 | * by doing it via the workqueue, some locking is eliminated | |
1337 | */ | |
1338 | ||
65207fed ME |
1339 | queue_work(ioc->fc_rescan_work_q, &ioc->fc_rescan_work); |
1340 | flush_workqueue(ioc->fc_rescan_work_q); | |
05e8ec17 | 1341 | |
2496af39 MED |
1342 | return 0; |
1343 | ||
cfd2aff7 HR |
1344 | out_mptfc_host: |
1345 | scsi_remove_host(sh); | |
1346 | ||
7acec1e7 | 1347 | out_mptfc_probe: |
2496af39 MED |
1348 | |
1349 | mptscsih_remove(pdev); | |
1350 | return error; | |
1351 | } | |
1352 | ||
1353 | static struct pci_driver mptfc_driver = { | |
1354 | .name = "mptfc", | |
1355 | .id_table = mptfc_pci_table, | |
1356 | .probe = mptfc_probe, | |
47b1ea75 | 1357 | .remove = mptfc_remove, |
d18c3db5 | 1358 | .shutdown = mptscsih_shutdown, |
2496af39 MED |
1359 | #ifdef CONFIG_PM |
1360 | .suspend = mptscsih_suspend, | |
1361 | .resume = mptscsih_resume, | |
1362 | #endif | |
1363 | }; | |
1364 | ||
80d3ac77 MR |
1365 | static int |
1366 | mptfc_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) | |
1367 | { | |
1368 | MPT_SCSI_HOST *hd; | |
1369 | u8 event = le32_to_cpu(pEvReply->Event) & 0xFF; | |
1370 | unsigned long flags; | |
1371 | int rc=1; | |
1372 | ||
ffb7fef3 KD |
1373 | if (ioc->bus_type != FC) |
1374 | return 0; | |
1375 | ||
d6ecdd63 | 1376 | devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n", |
80d3ac77 MR |
1377 | ioc->name, event)); |
1378 | ||
1379 | if (ioc->sh == NULL || | |
e7eae9f6 | 1380 | ((hd = shost_priv(ioc->sh)) == NULL)) |
80d3ac77 MR |
1381 | return 1; |
1382 | ||
1383 | switch (event) { | |
1384 | case MPI_EVENT_RESCAN: | |
1385 | spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); | |
1386 | if (ioc->fc_rescan_work_q) { | |
3a0c56d8 MR |
1387 | queue_work(ioc->fc_rescan_work_q, |
1388 | &ioc->fc_rescan_work); | |
80d3ac77 MR |
1389 | } |
1390 | spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); | |
1391 | break; | |
eb5329f4 PS |
1392 | case MPI_EVENT_LINK_STATUS_CHANGE: |
1393 | spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); | |
1394 | if (ioc->fc_rescan_work_q) { | |
1395 | queue_work(ioc->fc_rescan_work_q, | |
1396 | &ioc->fc_lsc_work); | |
1397 | } | |
1398 | spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); | |
1399 | break; | |
80d3ac77 MR |
1400 | default: |
1401 | rc = mptscsih_event_process(ioc,pEvReply); | |
1402 | break; | |
1403 | } | |
1404 | return rc; | |
1405 | } | |
1406 | ||
1407 | static int | |
1408 | mptfc_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) | |
1409 | { | |
1410 | int rc; | |
1411 | unsigned long flags; | |
1412 | ||
1413 | rc = mptscsih_ioc_reset(ioc,reset_phase); | |
ffb7fef3 | 1414 | if ((ioc->bus_type != FC) || (!rc)) |
80d3ac77 MR |
1415 | return rc; |
1416 | ||
1417 | ||
d6ecdd63 PS |
1418 | dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT |
1419 | ": IOC %s_reset routed to FC host driver!\n",ioc->name, | |
80d3ac77 MR |
1420 | reset_phase==MPT_IOC_SETUP_RESET ? "setup" : ( |
1421 | reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post"))); | |
1422 | ||
1423 | if (reset_phase == MPT_IOC_SETUP_RESET) { | |
419835e2 MR |
1424 | spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); |
1425 | if (ioc->fc_rescan_work_q) { | |
1426 | queue_work(ioc->fc_rescan_work_q, | |
1427 | &ioc->fc_setup_reset_work); | |
1428 | } | |
1429 | spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); | |
80d3ac77 MR |
1430 | } |
1431 | ||
1432 | else if (reset_phase == MPT_IOC_PRE_RESET) { | |
1433 | } | |
1434 | ||
1435 | else { /* MPT_IOC_POST_RESET */ | |
ca2f938e | 1436 | mptfc_SetFcPortPage1_defaults(ioc); |
80d3ac77 MR |
1437 | spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); |
1438 | if (ioc->fc_rescan_work_q) { | |
3a0c56d8 MR |
1439 | queue_work(ioc->fc_rescan_work_q, |
1440 | &ioc->fc_rescan_work); | |
80d3ac77 MR |
1441 | } |
1442 | spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); | |
1443 | } | |
1444 | return 1; | |
1445 | } | |
1446 | ||
2496af39 MED |
1447 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
1448 | /** | |
d9489fb6 | 1449 | * mptfc_init - Register MPT adapter(s) as SCSI host(s) with SCSI mid-layer. |
2496af39 MED |
1450 | * |
1451 | * Returns 0 for success, non-zero for failure. | |
1452 | */ | |
1453 | static int __init | |
1454 | mptfc_init(void) | |
1455 | { | |
05e8ec17 | 1456 | int error; |
2496af39 MED |
1457 | |
1458 | show_mptmod_ver(my_NAME, my_VERSION); | |
1459 | ||
ca2f938e MR |
1460 | /* sanity check module parameters */ |
1461 | if (mptfc_dev_loss_tmo <= 0) | |
05e8ec17 MR |
1462 | mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO; |
1463 | ||
1464 | mptfc_transport_template = | |
1465 | fc_attach_transport(&mptfc_transport_functions); | |
1466 | ||
1467 | if (!mptfc_transport_template) | |
1468 | return -ENODEV; | |
1469 | ||
213aaca3 KD |
1470 | mptfcDoneCtx = mpt_register(mptscsih_io_done, MPTFC_DRIVER, |
1471 | "mptscsih_scandv_complete"); | |
1472 | mptfcTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTFC_DRIVER, | |
1473 | "mptscsih_scandv_complete"); | |
1474 | mptfcInternalCtx = mpt_register(mptscsih_scandv_complete, MPTFC_DRIVER, | |
1475 | "mptscsih_scandv_complete"); | |
2496af39 | 1476 | |
d6ecdd63 PS |
1477 | mpt_event_register(mptfcDoneCtx, mptfc_event_process); |
1478 | mpt_reset_register(mptfcDoneCtx, mptfc_ioc_reset); | |
2496af39 | 1479 | |
05e8ec17 | 1480 | error = pci_register_driver(&mptfc_driver); |
3bc7bf1d | 1481 | if (error) |
05e8ec17 | 1482 | fc_release_transport(mptfc_transport_template); |
05e8ec17 MR |
1483 | |
1484 | return error; | |
1485 | } | |
1486 | ||
1487 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1488 | /** | |
d9489fb6 | 1489 | * mptfc_remove - Remove fc infrastructure for devices |
05e8ec17 MR |
1490 | * @pdev: Pointer to pci_dev structure |
1491 | * | |
1492 | */ | |
47b1ea75 | 1493 | static void mptfc_remove(struct pci_dev *pdev) |
05e8ec17 | 1494 | { |
65207fed ME |
1495 | MPT_ADAPTER *ioc = pci_get_drvdata(pdev); |
1496 | struct mptfc_rport_info *p, *n; | |
1497 | struct workqueue_struct *work_q; | |
1498 | unsigned long flags; | |
ca2f938e | 1499 | int ii; |
65207fed ME |
1500 | |
1501 | /* destroy workqueue */ | |
1502 | if ((work_q=ioc->fc_rescan_work_q)) { | |
1503 | spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); | |
1504 | ioc->fc_rescan_work_q = NULL; | |
1505 | spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); | |
1506 | destroy_workqueue(work_q); | |
1507 | } | |
05e8ec17 MR |
1508 | |
1509 | fc_remove_host(ioc->sh); | |
1510 | ||
1511 | list_for_each_entry_safe(p, n, &ioc->fc_rports, list) { | |
1512 | list_del(&p->list); | |
1513 | kfree(p); | |
1514 | } | |
1515 | ||
ca2f938e MR |
1516 | for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) { |
1517 | if (ioc->fc_data.fc_port_page1[ii].data) { | |
1897c5c7 CJ |
1518 | dma_free_coherent(&ioc->pcidev->dev, |
1519 | ioc->fc_data.fc_port_page1[ii].pg_sz, | |
1520 | ioc->fc_data.fc_port_page1[ii].data, | |
1521 | ioc->fc_data.fc_port_page1[ii].dma); | |
ca2f938e MR |
1522 | ioc->fc_data.fc_port_page1[ii].data = NULL; |
1523 | } | |
1524 | } | |
1525 | ||
cfd2aff7 HR |
1526 | scsi_remove_host(ioc->sh); |
1527 | ||
05e8ec17 | 1528 | mptscsih_remove(pdev); |
2496af39 MED |
1529 | } |
1530 | ||
1531 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1532 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1533 | /** | |
1534 | * mptfc_exit - Unregisters MPT adapter(s) | |
1535 | * | |
1536 | */ | |
1537 | static void __exit | |
1538 | mptfc_exit(void) | |
1539 | { | |
1540 | pci_unregister_driver(&mptfc_driver); | |
05e8ec17 MR |
1541 | fc_release_transport(mptfc_transport_template); |
1542 | ||
2496af39 | 1543 | mpt_reset_deregister(mptfcDoneCtx); |
2496af39 | 1544 | mpt_event_deregister(mptfcDoneCtx); |
2496af39 MED |
1545 | |
1546 | mpt_deregister(mptfcInternalCtx); | |
1547 | mpt_deregister(mptfcTaskCtx); | |
1548 | mpt_deregister(mptfcDoneCtx); | |
1549 | } | |
1550 | ||
1551 | module_init(mptfc_init); | |
1552 | module_exit(mptfc_exit); |