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dea3101e | 1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 JSEC |
3 | * Fibre Channel Host Bus Adapters. * |
4 | * Copyright (C) 2004-2005 Emulex. All rights reserved. * | |
5 | * EMULEX and SLI are trademarks of Emulex. * | |
dea3101e | 6 | * www.emulex.com * |
c44ce173 | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e | 8 | * * |
9 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
10 | * modify it under the terms of version 2 of the GNU General * |
11 | * Public License as published by the Free Software Foundation. * | |
12 | * This program is distributed in the hope that it will be useful. * | |
13 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
14 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
15 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
16 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
17 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
18 | * more details, a copy of which can be found in the file COPYING * | |
19 | * included with this package. * | |
dea3101e | 20 | *******************************************************************/ |
21 | ||
dea3101e | 22 | #include <linux/ctype.h> |
23 | #include <linux/pci.h> | |
24 | #include <linux/interrupt.h> | |
25 | ||
26 | #include <scsi/scsi_device.h> | |
27 | #include <scsi/scsi_host.h> | |
28 | #include <scsi/scsi_tcq.h> | |
29 | #include <scsi/scsi_transport_fc.h> | |
30 | ||
31 | #include "lpfc_hw.h" | |
32 | #include "lpfc_sli.h" | |
33 | #include "lpfc_disc.h" | |
34 | #include "lpfc_scsi.h" | |
35 | #include "lpfc.h" | |
36 | #include "lpfc_logmsg.h" | |
37 | #include "lpfc_version.h" | |
38 | #include "lpfc_compat.h" | |
39 | #include "lpfc_crtn.h" | |
40 | ||
41 | ||
42 | static void | |
43 | lpfc_jedec_to_ascii(int incr, char hdw[]) | |
44 | { | |
45 | int i, j; | |
46 | for (i = 0; i < 8; i++) { | |
47 | j = (incr & 0xf); | |
48 | if (j <= 9) | |
49 | hdw[7 - i] = 0x30 + j; | |
50 | else | |
51 | hdw[7 - i] = 0x61 + j - 10; | |
52 | incr = (incr >> 4); | |
53 | } | |
54 | hdw[8] = 0; | |
55 | return; | |
56 | } | |
57 | ||
58 | static ssize_t | |
59 | lpfc_drvr_version_show(struct class_device *cdev, char *buf) | |
60 | { | |
61 | return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n"); | |
62 | } | |
63 | ||
64 | static ssize_t | |
65 | management_version_show(struct class_device *cdev, char *buf) | |
66 | { | |
67 | return snprintf(buf, PAGE_SIZE, DFC_API_VERSION "\n"); | |
68 | } | |
69 | ||
70 | static ssize_t | |
71 | lpfc_info_show(struct class_device *cdev, char *buf) | |
72 | { | |
73 | struct Scsi_Host *host = class_to_shost(cdev); | |
74 | return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host)); | |
75 | } | |
76 | ||
77 | static ssize_t | |
78 | lpfc_serialnum_show(struct class_device *cdev, char *buf) | |
79 | { | |
80 | struct Scsi_Host *host = class_to_shost(cdev); | |
81 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; | |
82 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber); | |
83 | } | |
84 | ||
85 | static ssize_t | |
86 | lpfc_modeldesc_show(struct class_device *cdev, char *buf) | |
87 | { | |
88 | struct Scsi_Host *host = class_to_shost(cdev); | |
89 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; | |
90 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc); | |
91 | } | |
92 | ||
93 | static ssize_t | |
94 | lpfc_modelname_show(struct class_device *cdev, char *buf) | |
95 | { | |
96 | struct Scsi_Host *host = class_to_shost(cdev); | |
97 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; | |
98 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName); | |
99 | } | |
100 | ||
101 | static ssize_t | |
102 | lpfc_programtype_show(struct class_device *cdev, char *buf) | |
103 | { | |
104 | struct Scsi_Host *host = class_to_shost(cdev); | |
105 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; | |
106 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType); | |
107 | } | |
108 | ||
109 | static ssize_t | |
110 | lpfc_portnum_show(struct class_device *cdev, char *buf) | |
111 | { | |
112 | struct Scsi_Host *host = class_to_shost(cdev); | |
113 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; | |
114 | return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port); | |
115 | } | |
116 | ||
117 | static ssize_t | |
118 | lpfc_fwrev_show(struct class_device *cdev, char *buf) | |
119 | { | |
120 | struct Scsi_Host *host = class_to_shost(cdev); | |
121 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; | |
122 | char fwrev[32]; | |
123 | lpfc_decode_firmware_rev(phba, fwrev, 1); | |
124 | return snprintf(buf, PAGE_SIZE, "%s\n",fwrev); | |
125 | } | |
126 | ||
127 | static ssize_t | |
128 | lpfc_hdw_show(struct class_device *cdev, char *buf) | |
129 | { | |
130 | char hdw[9]; | |
131 | struct Scsi_Host *host = class_to_shost(cdev); | |
132 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; | |
133 | lpfc_vpd_t *vp = &phba->vpd; | |
134 | lpfc_jedec_to_ascii(vp->rev.biuRev, hdw); | |
135 | return snprintf(buf, PAGE_SIZE, "%s\n", hdw); | |
136 | } | |
137 | static ssize_t | |
138 | lpfc_option_rom_version_show(struct class_device *cdev, char *buf) | |
139 | { | |
140 | struct Scsi_Host *host = class_to_shost(cdev); | |
141 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; | |
142 | return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion); | |
143 | } | |
144 | static ssize_t | |
145 | lpfc_state_show(struct class_device *cdev, char *buf) | |
146 | { | |
147 | struct Scsi_Host *host = class_to_shost(cdev); | |
148 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; | |
149 | int len = 0; | |
150 | switch (phba->hba_state) { | |
151 | case LPFC_INIT_START: | |
152 | case LPFC_INIT_MBX_CMDS: | |
153 | case LPFC_LINK_DOWN: | |
154 | len += snprintf(buf + len, PAGE_SIZE-len, "Link Down\n"); | |
155 | break; | |
156 | case LPFC_LINK_UP: | |
157 | case LPFC_LOCAL_CFG_LINK: | |
158 | len += snprintf(buf + len, PAGE_SIZE-len, "Link Up\n"); | |
159 | break; | |
160 | case LPFC_FLOGI: | |
161 | case LPFC_FABRIC_CFG_LINK: | |
162 | case LPFC_NS_REG: | |
163 | case LPFC_NS_QRY: | |
164 | case LPFC_BUILD_DISC_LIST: | |
165 | case LPFC_DISC_AUTH: | |
166 | case LPFC_CLEAR_LA: | |
167 | len += snprintf(buf + len, PAGE_SIZE-len, | |
168 | "Link Up - Discovery\n"); | |
169 | break; | |
170 | case LPFC_HBA_READY: | |
171 | len += snprintf(buf + len, PAGE_SIZE-len, | |
172 | "Link Up - Ready:\n"); | |
173 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
174 | if (phba->fc_flag & FC_PUBLIC_LOOP) | |
175 | len += snprintf(buf + len, PAGE_SIZE-len, | |
176 | " Public Loop\n"); | |
177 | else | |
178 | len += snprintf(buf + len, PAGE_SIZE-len, | |
179 | " Private Loop\n"); | |
180 | } else { | |
181 | if (phba->fc_flag & FC_FABRIC) | |
182 | len += snprintf(buf + len, PAGE_SIZE-len, | |
183 | " Fabric\n"); | |
184 | else | |
185 | len += snprintf(buf + len, PAGE_SIZE-len, | |
186 | " Point-2-Point\n"); | |
187 | } | |
188 | } | |
189 | return len; | |
190 | } | |
191 | ||
192 | static ssize_t | |
193 | lpfc_num_discovered_ports_show(struct class_device *cdev, char *buf) | |
194 | { | |
195 | struct Scsi_Host *host = class_to_shost(cdev); | |
196 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; | |
197 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->fc_map_cnt + | |
198 | phba->fc_unmap_cnt); | |
199 | } | |
200 | ||
201 | ||
202 | static ssize_t | |
203 | lpfc_issue_lip (struct class_device *cdev, const char *buf, size_t count) | |
204 | { | |
205 | struct Scsi_Host *host = class_to_shost(cdev); | |
206 | struct lpfc_hba *phba = (struct lpfc_hba *) host->hostdata[0]; | |
207 | int val = 0; | |
208 | LPFC_MBOXQ_t *pmboxq; | |
209 | int mbxstatus = MBXERR_ERROR; | |
210 | ||
211 | if ((sscanf(buf, "%d", &val) != 1) || | |
212 | (val != 1)) | |
213 | return -EINVAL; | |
214 | ||
215 | if ((phba->fc_flag & FC_OFFLINE_MODE) || | |
216 | (phba->hba_state != LPFC_HBA_READY)) | |
217 | return -EPERM; | |
218 | ||
219 | pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); | |
220 | ||
221 | if (!pmboxq) | |
222 | return -ENOMEM; | |
223 | ||
224 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
225 | lpfc_init_link(phba, pmboxq, phba->cfg_topology, phba->cfg_link_speed); | |
226 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
227 | ||
228 | if (mbxstatus == MBX_TIMEOUT) | |
229 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
230 | else | |
231 | mempool_free( pmboxq, phba->mbox_mem_pool); | |
232 | ||
233 | if (mbxstatus == MBXERR_ERROR) | |
234 | return -EIO; | |
235 | ||
236 | return strlen(buf); | |
237 | } | |
238 | ||
239 | static ssize_t | |
240 | lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf) | |
241 | { | |
242 | struct Scsi_Host *host = class_to_shost(cdev); | |
243 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; | |
244 | return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt); | |
245 | } | |
246 | ||
247 | static ssize_t | |
248 | lpfc_board_online_show(struct class_device *cdev, char *buf) | |
249 | { | |
250 | struct Scsi_Host *host = class_to_shost(cdev); | |
251 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; | |
252 | ||
253 | if (!phba) return 0; | |
254 | ||
255 | if (phba->fc_flag & FC_OFFLINE_MODE) | |
256 | return snprintf(buf, PAGE_SIZE, "0\n"); | |
257 | else | |
258 | return snprintf(buf, PAGE_SIZE, "1\n"); | |
259 | } | |
260 | ||
261 | static ssize_t | |
262 | lpfc_board_online_store(struct class_device *cdev, const char *buf, | |
263 | size_t count) | |
264 | { | |
265 | struct Scsi_Host *host = class_to_shost(cdev); | |
266 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; | |
267 | struct completion online_compl; | |
268 | int val=0, status=0; | |
269 | ||
270 | if (sscanf(buf, "%d", &val) != 1) | |
271 | return 0; | |
272 | ||
273 | init_completion(&online_compl); | |
274 | ||
275 | if (val) | |
276 | lpfc_workq_post_event(phba, &status, &online_compl, | |
277 | LPFC_EVT_ONLINE); | |
278 | else | |
279 | lpfc_workq_post_event(phba, &status, &online_compl, | |
280 | LPFC_EVT_OFFLINE); | |
281 | wait_for_completion(&online_compl); | |
282 | if (!status) | |
283 | return strlen(buf); | |
284 | else | |
285 | return 0; | |
286 | } | |
287 | ||
288 | ||
289 | #define lpfc_param_show(attr) \ | |
290 | static ssize_t \ | |
291 | lpfc_##attr##_show(struct class_device *cdev, char *buf) \ | |
292 | { \ | |
293 | struct Scsi_Host *host = class_to_shost(cdev);\ | |
294 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\ | |
295 | int val = 0;\ | |
296 | if (phba){\ | |
297 | val = phba->cfg_##attr;\ | |
298 | return snprintf(buf, PAGE_SIZE, "%d\n",\ | |
299 | phba->cfg_##attr);\ | |
300 | }\ | |
301 | return 0;\ | |
302 | } | |
303 | ||
304 | #define lpfc_param_store(attr, minval, maxval) \ | |
305 | static ssize_t \ | |
306 | lpfc_##attr##_store(struct class_device *cdev, const char *buf, size_t count) \ | |
307 | { \ | |
308 | struct Scsi_Host *host = class_to_shost(cdev);\ | |
309 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\ | |
310 | int val = 0;\ | |
311 | if (!isdigit(buf[0]))\ | |
312 | return -EINVAL;\ | |
313 | if (sscanf(buf, "0x%x", &val) != 1)\ | |
314 | if (sscanf(buf, "%d", &val) != 1)\ | |
315 | return -EINVAL;\ | |
316 | if (phba){\ | |
317 | if (val >= minval && val <= maxval) {\ | |
318 | phba->cfg_##attr = val;\ | |
319 | return strlen(buf);\ | |
320 | }\ | |
321 | }\ | |
322 | return 0;\ | |
323 | } | |
324 | ||
325 | #define LPFC_ATTR_R_NOINIT(name, desc) \ | |
326 | extern int lpfc_##name;\ | |
327 | module_param(lpfc_##name, int, 0);\ | |
328 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
329 | lpfc_param_show(name)\ | |
330 | static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) | |
331 | ||
332 | #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \ | |
333 | static int lpfc_##name = defval;\ | |
334 | module_param(lpfc_##name, int, 0);\ | |
335 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
336 | lpfc_param_show(name)\ | |
337 | static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) | |
338 | ||
339 | #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \ | |
340 | static int lpfc_##name = defval;\ | |
341 | module_param(lpfc_##name, int, 0);\ | |
342 | MODULE_PARM_DESC(lpfc_##name, desc);\ | |
343 | lpfc_param_show(name)\ | |
344 | lpfc_param_store(name, minval, maxval)\ | |
345 | static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ | |
346 | lpfc_##name##_show, lpfc_##name##_store) | |
347 | ||
348 | static CLASS_DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL); | |
349 | static CLASS_DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL); | |
350 | static CLASS_DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL); | |
351 | static CLASS_DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL); | |
352 | static CLASS_DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL); | |
353 | static CLASS_DEVICE_ATTR(portnum, S_IRUGO, lpfc_portnum_show, NULL); | |
354 | static CLASS_DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL); | |
355 | static CLASS_DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL); | |
356 | static CLASS_DEVICE_ATTR(state, S_IRUGO, lpfc_state_show, NULL); | |
357 | static CLASS_DEVICE_ATTR(option_rom_version, S_IRUGO, | |
358 | lpfc_option_rom_version_show, NULL); | |
359 | static CLASS_DEVICE_ATTR(num_discovered_ports, S_IRUGO, | |
360 | lpfc_num_discovered_ports_show, NULL); | |
361 | static CLASS_DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL); | |
362 | static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show, | |
363 | NULL); | |
364 | static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show, | |
365 | NULL); | |
366 | static CLASS_DEVICE_ATTR(issue_lip, S_IWUSR, NULL, lpfc_issue_lip); | |
367 | static CLASS_DEVICE_ATTR(board_online, S_IRUGO | S_IWUSR, | |
368 | lpfc_board_online_show, lpfc_board_online_store); | |
369 | ||
370 | ||
371 | /* | |
372 | # lpfc_log_verbose: Only turn this flag on if you are willing to risk being | |
373 | # deluged with LOTS of information. | |
374 | # You can set a bit mask to record specific types of verbose messages: | |
375 | # | |
376 | # LOG_ELS 0x1 ELS events | |
377 | # LOG_DISCOVERY 0x2 Link discovery events | |
378 | # LOG_MBOX 0x4 Mailbox events | |
379 | # LOG_INIT 0x8 Initialization events | |
380 | # LOG_LINK_EVENT 0x10 Link events | |
381 | # LOG_IP 0x20 IP traffic history | |
382 | # LOG_FCP 0x40 FCP traffic history | |
383 | # LOG_NODE 0x80 Node table events | |
384 | # LOG_MISC 0x400 Miscellaneous events | |
385 | # LOG_SLI 0x800 SLI events | |
386 | # LOG_CHK_COND 0x1000 FCP Check condition flag | |
387 | # LOG_LIBDFC 0x2000 LIBDFC events | |
388 | # LOG_ALL_MSG 0xffff LOG all messages | |
389 | */ | |
390 | LPFC_ATTR_RW(log_verbose, 0x0, 0x0, 0xffff, "Verbose logging bit-mask"); | |
391 | ||
392 | /* | |
393 | # lun_queue_depth: This parameter is used to limit the number of outstanding | |
394 | # commands per FCP LUN. Value range is [1,128]. Default value is 30. | |
395 | */ | |
396 | LPFC_ATTR_R(lun_queue_depth, 30, 1, 128, | |
397 | "Max number of FCP commands we can queue to a specific LUN"); | |
398 | ||
399 | /* | |
400 | # Some disk devices have a "select ID" or "select Target" capability. | |
401 | # From a protocol standpoint "select ID" usually means select the | |
402 | # Fibre channel "ALPA". In the FC-AL Profile there is an "informative | |
403 | # annex" which contains a table that maps a "select ID" (a number | |
404 | # between 0 and 7F) to an ALPA. By default, for compatibility with | |
405 | # older drivers, the lpfc driver scans this table from low ALPA to high | |
406 | # ALPA. | |
407 | # | |
408 | # Turning on the scan-down variable (on = 1, off = 0) will | |
409 | # cause the lpfc driver to use an inverted table, effectively | |
410 | # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1. | |
411 | # | |
412 | # (Note: This "select ID" functionality is a LOOP ONLY characteristic | |
413 | # and will not work across a fabric. Also this parameter will take | |
414 | # effect only in the case when ALPA map is not available.) | |
415 | */ | |
416 | LPFC_ATTR_R(scan_down, 1, 0, 1, | |
417 | "Start scanning for devices from highest ALPA to lowest"); | |
418 | ||
419 | /* | |
420 | # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear | |
421 | # until the timer expires. Value range is [0,255]. Default value is 20. | |
422 | # NOTE: this MUST be less then the SCSI Layer command timeout - 1. | |
423 | */ | |
424 | LPFC_ATTR_RW(nodev_tmo, 30, 0, 255, | |
425 | "Seconds driver will hold I/O waiting for a device to come back"); | |
426 | ||
427 | /* | |
428 | # lpfc_topology: link topology for init link | |
429 | # 0x0 = attempt loop mode then point-to-point | |
430 | # 0x02 = attempt point-to-point mode only | |
431 | # 0x04 = attempt loop mode only | |
432 | # 0x06 = attempt point-to-point mode then loop | |
433 | # Set point-to-point mode if you want to run as an N_Port. | |
434 | # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6]. | |
435 | # Default value is 0. | |
436 | */ | |
437 | LPFC_ATTR_R(topology, 0, 0, 6, "Select Fibre Channel topology"); | |
438 | ||
439 | /* | |
440 | # lpfc_link_speed: Link speed selection for initializing the Fibre Channel | |
441 | # connection. | |
442 | # 0 = auto select (default) | |
443 | # 1 = 1 Gigabaud | |
444 | # 2 = 2 Gigabaud | |
445 | # 4 = 4 Gigabaud | |
446 | # Value range is [0,4]. Default value is 0. | |
447 | */ | |
448 | LPFC_ATTR_R(link_speed, 0, 0, 4, "Select link speed"); | |
449 | ||
450 | /* | |
451 | # lpfc_fcp_class: Determines FC class to use for the FCP protocol. | |
452 | # Value range is [2,3]. Default value is 3. | |
453 | */ | |
454 | LPFC_ATTR_R(fcp_class, 3, 2, 3, | |
455 | "Select Fibre Channel class of service for FCP sequences"); | |
456 | ||
457 | /* | |
458 | # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range | |
459 | # is [0,1]. Default value is 0. | |
460 | */ | |
461 | LPFC_ATTR_RW(use_adisc, 0, 0, 1, | |
462 | "Use ADISC on rediscovery to authenticate FCP devices"); | |
463 | ||
464 | /* | |
465 | # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value | |
466 | # range is [0,1]. Default value is 0. | |
467 | */ | |
468 | LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support"); | |
469 | ||
470 | /* | |
471 | # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing | |
472 | # cr_delay (msec) or cr_count outstanding commands. cr_delay can take | |
473 | # value [0,63]. cr_count can take value [0,255]. Default value of cr_delay | |
474 | # is 0. Default value of cr_count is 1. The cr_count feature is disabled if | |
475 | # cr_delay is set to 0. | |
476 | */ | |
477 | static int lpfc_cr_delay = 0; | |
478 | module_param(lpfc_cr_delay, int , 0); | |
479 | MODULE_PARM_DESC(lpfc_cr_delay, "A count of milliseconds after which an " | |
480 | "interrupt response is generated"); | |
481 | ||
482 | static int lpfc_cr_count = 1; | |
483 | module_param(lpfc_cr_count, int, 0); | |
484 | MODULE_PARM_DESC(lpfc_cr_count, "A count of I/O completions after which an " | |
485 | "interrupt response is generated"); | |
486 | ||
487 | /* | |
488 | # lpfc_fdmi_on: controls FDMI support. | |
489 | # 0 = no FDMI support | |
490 | # 1 = support FDMI without attribute of hostname | |
491 | # 2 = support FDMI with attribute of hostname | |
492 | # Value range [0,2]. Default value is 0. | |
493 | */ | |
494 | LPFC_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support"); | |
495 | ||
496 | /* | |
497 | # Specifies the maximum number of ELS cmds we can have outstanding (for | |
498 | # discovery). Value range is [1,64]. Default value = 32. | |
499 | */ | |
500 | static int lpfc_discovery_threads = 32; | |
501 | module_param(lpfc_discovery_threads, int, 0); | |
502 | MODULE_PARM_DESC(lpfc_discovery_threads, "Maximum number of ELS commands " | |
503 | "during discovery"); | |
504 | ||
505 | /* | |
506 | # lpfc_max_luns: maximum number of LUNs per target driver will support | |
507 | # Value range is [1,32768]. Default value is 256. | |
508 | # NOTE: The SCSI layer will scan each target for this many luns | |
509 | */ | |
510 | LPFC_ATTR_R(max_luns, 256, 1, 32768, | |
511 | "Maximum number of LUNs per target driver will support"); | |
512 | ||
513 | struct class_device_attribute *lpfc_host_attrs[] = { | |
514 | &class_device_attr_info, | |
515 | &class_device_attr_serialnum, | |
516 | &class_device_attr_modeldesc, | |
517 | &class_device_attr_modelname, | |
518 | &class_device_attr_programtype, | |
519 | &class_device_attr_portnum, | |
520 | &class_device_attr_fwrev, | |
521 | &class_device_attr_hdw, | |
522 | &class_device_attr_option_rom_version, | |
523 | &class_device_attr_state, | |
524 | &class_device_attr_num_discovered_ports, | |
525 | &class_device_attr_lpfc_drvr_version, | |
526 | &class_device_attr_lpfc_log_verbose, | |
527 | &class_device_attr_lpfc_lun_queue_depth, | |
528 | &class_device_attr_lpfc_nodev_tmo, | |
529 | &class_device_attr_lpfc_fcp_class, | |
530 | &class_device_attr_lpfc_use_adisc, | |
531 | &class_device_attr_lpfc_ack0, | |
532 | &class_device_attr_lpfc_topology, | |
533 | &class_device_attr_lpfc_scan_down, | |
534 | &class_device_attr_lpfc_link_speed, | |
535 | &class_device_attr_lpfc_fdmi_on, | |
536 | &class_device_attr_lpfc_max_luns, | |
537 | &class_device_attr_nport_evt_cnt, | |
538 | &class_device_attr_management_version, | |
539 | &class_device_attr_issue_lip, | |
540 | &class_device_attr_board_online, | |
541 | NULL, | |
542 | }; | |
543 | ||
544 | static ssize_t | |
545 | sysfs_ctlreg_write(struct kobject *kobj, char *buf, loff_t off, size_t count) | |
546 | { | |
547 | size_t buf_off; | |
548 | struct Scsi_Host *host = class_to_shost(container_of(kobj, | |
549 | struct class_device, kobj)); | |
550 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; | |
551 | ||
552 | if ((off + count) > FF_REG_AREA_SIZE) | |
553 | return -ERANGE; | |
554 | ||
555 | if (count == 0) return 0; | |
556 | ||
557 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
558 | return -EINVAL; | |
559 | ||
560 | spin_lock_irq(phba->host->host_lock); | |
561 | ||
562 | if (!(phba->fc_flag & FC_OFFLINE_MODE)) { | |
563 | spin_unlock_irq(phba->host->host_lock); | |
564 | return -EPERM; | |
565 | } | |
566 | ||
567 | for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) | |
568 | writel(*((uint32_t *)(buf + buf_off)), | |
569 | phba->ctrl_regs_memmap_p + off + buf_off); | |
570 | ||
571 | spin_unlock_irq(phba->host->host_lock); | |
572 | ||
573 | return count; | |
574 | } | |
575 | ||
576 | static ssize_t | |
577 | sysfs_ctlreg_read(struct kobject *kobj, char *buf, loff_t off, size_t count) | |
578 | { | |
579 | size_t buf_off; | |
580 | uint32_t * tmp_ptr; | |
581 | struct Scsi_Host *host = class_to_shost(container_of(kobj, | |
582 | struct class_device, kobj)); | |
583 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; | |
584 | ||
585 | if (off > FF_REG_AREA_SIZE) | |
586 | return -ERANGE; | |
587 | ||
588 | if ((off + count) > FF_REG_AREA_SIZE) | |
589 | count = FF_REG_AREA_SIZE - off; | |
590 | ||
591 | if (count == 0) return 0; | |
592 | ||
593 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
594 | return -EINVAL; | |
595 | ||
596 | spin_lock_irq(phba->host->host_lock); | |
597 | ||
598 | for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) { | |
599 | tmp_ptr = (uint32_t *)(buf + buf_off); | |
600 | *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off); | |
601 | } | |
602 | ||
603 | spin_unlock_irq(phba->host->host_lock); | |
604 | ||
605 | return count; | |
606 | } | |
607 | ||
608 | static struct bin_attribute sysfs_ctlreg_attr = { | |
609 | .attr = { | |
610 | .name = "ctlreg", | |
611 | .mode = S_IRUSR | S_IWUSR, | |
612 | .owner = THIS_MODULE, | |
613 | }, | |
614 | .size = 256, | |
615 | .read = sysfs_ctlreg_read, | |
616 | .write = sysfs_ctlreg_write, | |
617 | }; | |
618 | ||
619 | ||
620 | static void | |
621 | sysfs_mbox_idle (struct lpfc_hba * phba) | |
622 | { | |
623 | phba->sysfs_mbox.state = SMBOX_IDLE; | |
624 | phba->sysfs_mbox.offset = 0; | |
625 | ||
626 | if (phba->sysfs_mbox.mbox) { | |
627 | mempool_free(phba->sysfs_mbox.mbox, | |
628 | phba->mbox_mem_pool); | |
629 | phba->sysfs_mbox.mbox = NULL; | |
630 | } | |
631 | } | |
632 | ||
633 | static ssize_t | |
634 | sysfs_mbox_write(struct kobject *kobj, char *buf, loff_t off, size_t count) | |
635 | { | |
636 | struct Scsi_Host * host = | |
637 | class_to_shost(container_of(kobj, struct class_device, kobj)); | |
638 | struct lpfc_hba * phba = (struct lpfc_hba*)host->hostdata[0]; | |
639 | struct lpfcMboxq * mbox = NULL; | |
640 | ||
641 | if ((count + off) > MAILBOX_CMD_SIZE) | |
642 | return -ERANGE; | |
643 | ||
644 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
645 | return -EINVAL; | |
646 | ||
647 | if (count == 0) | |
648 | return 0; | |
649 | ||
650 | if (off == 0) { | |
651 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
652 | if (!mbox) | |
653 | return -ENOMEM; | |
654 | ||
655 | } | |
656 | ||
657 | spin_lock_irq(host->host_lock); | |
658 | ||
659 | if (off == 0) { | |
660 | if (phba->sysfs_mbox.mbox) | |
661 | mempool_free(mbox, phba->mbox_mem_pool); | |
662 | else | |
663 | phba->sysfs_mbox.mbox = mbox; | |
664 | phba->sysfs_mbox.state = SMBOX_WRITING; | |
665 | } else { | |
666 | if (phba->sysfs_mbox.state != SMBOX_WRITING || | |
667 | phba->sysfs_mbox.offset != off || | |
668 | phba->sysfs_mbox.mbox == NULL ) { | |
669 | sysfs_mbox_idle(phba); | |
670 | spin_unlock_irq(host->host_lock); | |
671 | return -EINVAL; | |
672 | } | |
673 | } | |
674 | ||
675 | memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off, | |
676 | buf, count); | |
677 | ||
678 | phba->sysfs_mbox.offset = off + count; | |
679 | ||
680 | spin_unlock_irq(host->host_lock); | |
681 | ||
682 | return count; | |
683 | } | |
684 | ||
685 | static ssize_t | |
686 | sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count) | |
687 | { | |
688 | struct Scsi_Host *host = | |
689 | class_to_shost(container_of(kobj, struct class_device, | |
690 | kobj)); | |
691 | struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; | |
692 | int rc; | |
693 | ||
694 | if (off > sizeof(MAILBOX_t)) | |
695 | return -ERANGE; | |
696 | ||
697 | if ((count + off) > sizeof(MAILBOX_t)) | |
698 | count = sizeof(MAILBOX_t) - off; | |
699 | ||
700 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
701 | return -EINVAL; | |
702 | ||
703 | if (off && count == 0) | |
704 | return 0; | |
705 | ||
706 | spin_lock_irq(phba->host->host_lock); | |
707 | ||
708 | if (off == 0 && | |
709 | phba->sysfs_mbox.state == SMBOX_WRITING && | |
710 | phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) { | |
711 | ||
712 | switch (phba->sysfs_mbox.mbox->mb.mbxCommand) { | |
713 | /* Offline only */ | |
714 | case MBX_WRITE_NV: | |
715 | case MBX_INIT_LINK: | |
716 | case MBX_DOWN_LINK: | |
717 | case MBX_CONFIG_LINK: | |
718 | case MBX_CONFIG_RING: | |
719 | case MBX_RESET_RING: | |
720 | case MBX_UNREG_LOGIN: | |
721 | case MBX_CLEAR_LA: | |
722 | case MBX_DUMP_CONTEXT: | |
723 | case MBX_RUN_DIAGS: | |
724 | case MBX_RESTART: | |
725 | case MBX_FLASH_WR_ULA: | |
726 | case MBX_SET_MASK: | |
727 | case MBX_SET_SLIM: | |
728 | case MBX_SET_DEBUG: | |
729 | if (!(phba->fc_flag & FC_OFFLINE_MODE)) { | |
730 | printk(KERN_WARNING "mbox_read:Command 0x%x " | |
731 | "is illegal in on-line state\n", | |
732 | phba->sysfs_mbox.mbox->mb.mbxCommand); | |
733 | sysfs_mbox_idle(phba); | |
734 | spin_unlock_irq(phba->host->host_lock); | |
735 | return -EPERM; | |
736 | } | |
737 | case MBX_LOAD_SM: | |
738 | case MBX_READ_NV: | |
739 | case MBX_READ_CONFIG: | |
740 | case MBX_READ_RCONFIG: | |
741 | case MBX_READ_STATUS: | |
742 | case MBX_READ_XRI: | |
743 | case MBX_READ_REV: | |
744 | case MBX_READ_LNK_STAT: | |
745 | case MBX_DUMP_MEMORY: | |
746 | case MBX_DOWN_LOAD: | |
747 | case MBX_UPDATE_CFG: | |
748 | case MBX_LOAD_AREA: | |
749 | case MBX_LOAD_EXP_ROM: | |
750 | break; | |
751 | case MBX_READ_SPARM64: | |
752 | case MBX_READ_LA: | |
753 | case MBX_READ_LA64: | |
754 | case MBX_REG_LOGIN: | |
755 | case MBX_REG_LOGIN64: | |
756 | case MBX_CONFIG_PORT: | |
757 | case MBX_RUN_BIU_DIAG: | |
758 | printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n", | |
759 | phba->sysfs_mbox.mbox->mb.mbxCommand); | |
760 | sysfs_mbox_idle(phba); | |
761 | spin_unlock_irq(phba->host->host_lock); | |
762 | return -EPERM; | |
763 | default: | |
764 | printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n", | |
765 | phba->sysfs_mbox.mbox->mb.mbxCommand); | |
766 | sysfs_mbox_idle(phba); | |
767 | spin_unlock_irq(phba->host->host_lock); | |
768 | return -EPERM; | |
769 | } | |
770 | ||
771 | if ((phba->fc_flag & FC_OFFLINE_MODE) || | |
772 | (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){ | |
773 | ||
774 | spin_unlock_irq(phba->host->host_lock); | |
775 | rc = lpfc_sli_issue_mbox (phba, | |
776 | phba->sysfs_mbox.mbox, | |
777 | MBX_POLL); | |
778 | spin_lock_irq(phba->host->host_lock); | |
779 | ||
780 | } else { | |
781 | spin_unlock_irq(phba->host->host_lock); | |
782 | rc = lpfc_sli_issue_mbox_wait (phba, | |
783 | phba->sysfs_mbox.mbox, | |
784 | phba->fc_ratov * 2); | |
785 | spin_lock_irq(phba->host->host_lock); | |
786 | } | |
787 | ||
788 | if (rc != MBX_SUCCESS) { | |
789 | sysfs_mbox_idle(phba); | |
790 | spin_unlock_irq(host->host_lock); | |
791 | return -ENODEV; | |
792 | } | |
793 | phba->sysfs_mbox.state = SMBOX_READING; | |
794 | } | |
795 | else if (phba->sysfs_mbox.offset != off || | |
796 | phba->sysfs_mbox.state != SMBOX_READING) { | |
797 | printk(KERN_WARNING "mbox_read: Bad State\n"); | |
798 | sysfs_mbox_idle(phba); | |
799 | spin_unlock_irq(host->host_lock); | |
800 | return -EINVAL; | |
801 | } | |
802 | ||
803 | memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count); | |
804 | ||
805 | phba->sysfs_mbox.offset = off + count; | |
806 | ||
807 | if (phba->sysfs_mbox.offset == sizeof(MAILBOX_t)) | |
808 | sysfs_mbox_idle(phba); | |
809 | ||
810 | spin_unlock_irq(phba->host->host_lock); | |
811 | ||
812 | return count; | |
813 | } | |
814 | ||
815 | static struct bin_attribute sysfs_mbox_attr = { | |
816 | .attr = { | |
817 | .name = "mbox", | |
818 | .mode = S_IRUSR | S_IWUSR, | |
819 | .owner = THIS_MODULE, | |
820 | }, | |
821 | .size = sizeof(MAILBOX_t), | |
822 | .read = sysfs_mbox_read, | |
823 | .write = sysfs_mbox_write, | |
824 | }; | |
825 | ||
826 | int | |
827 | lpfc_alloc_sysfs_attr(struct lpfc_hba *phba) | |
828 | { | |
829 | struct Scsi_Host *host = phba->host; | |
830 | int error; | |
831 | ||
832 | error = sysfs_create_bin_file(&host->shost_classdev.kobj, | |
833 | &sysfs_ctlreg_attr); | |
834 | if (error) | |
835 | goto out; | |
836 | ||
837 | error = sysfs_create_bin_file(&host->shost_classdev.kobj, | |
838 | &sysfs_mbox_attr); | |
839 | if (error) | |
840 | goto out_remove_ctlreg_attr; | |
841 | ||
842 | return 0; | |
843 | out_remove_ctlreg_attr: | |
844 | sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr); | |
845 | out: | |
846 | return error; | |
847 | } | |
848 | ||
849 | void | |
850 | lpfc_free_sysfs_attr(struct lpfc_hba *phba) | |
851 | { | |
852 | struct Scsi_Host *host = phba->host; | |
853 | ||
854 | sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_mbox_attr); | |
855 | sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr); | |
856 | } | |
857 | ||
858 | ||
859 | /* | |
860 | * Dynamic FC Host Attributes Support | |
861 | */ | |
862 | ||
863 | static void | |
864 | lpfc_get_host_port_id(struct Scsi_Host *shost) | |
865 | { | |
866 | struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0]; | |
867 | /* note: fc_myDID already in cpu endianness */ | |
868 | fc_host_port_id(shost) = phba->fc_myDID; | |
869 | } | |
870 | ||
871 | static void | |
872 | lpfc_get_host_port_type(struct Scsi_Host *shost) | |
873 | { | |
874 | struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0]; | |
875 | ||
876 | spin_lock_irq(shost->host_lock); | |
877 | ||
878 | if (phba->hba_state == LPFC_HBA_READY) { | |
879 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
880 | if (phba->fc_flag & FC_PUBLIC_LOOP) | |
881 | fc_host_port_type(shost) = FC_PORTTYPE_NLPORT; | |
882 | else | |
883 | fc_host_port_type(shost) = FC_PORTTYPE_LPORT; | |
884 | } else { | |
885 | if (phba->fc_flag & FC_FABRIC) | |
886 | fc_host_port_type(shost) = FC_PORTTYPE_NPORT; | |
887 | else | |
888 | fc_host_port_type(shost) = FC_PORTTYPE_PTP; | |
889 | } | |
890 | } else | |
891 | fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN; | |
892 | ||
893 | spin_unlock_irq(shost->host_lock); | |
894 | } | |
895 | ||
896 | static void | |
897 | lpfc_get_host_port_state(struct Scsi_Host *shost) | |
898 | { | |
899 | struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0]; | |
900 | ||
901 | spin_lock_irq(shost->host_lock); | |
902 | ||
903 | if (phba->fc_flag & FC_OFFLINE_MODE) | |
904 | fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE; | |
905 | else { | |
906 | switch (phba->hba_state) { | |
907 | case LPFC_INIT_START: | |
908 | case LPFC_INIT_MBX_CMDS: | |
909 | case LPFC_LINK_DOWN: | |
910 | fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN; | |
911 | break; | |
912 | case LPFC_LINK_UP: | |
913 | case LPFC_LOCAL_CFG_LINK: | |
914 | case LPFC_FLOGI: | |
915 | case LPFC_FABRIC_CFG_LINK: | |
916 | case LPFC_NS_REG: | |
917 | case LPFC_NS_QRY: | |
918 | case LPFC_BUILD_DISC_LIST: | |
919 | case LPFC_DISC_AUTH: | |
920 | case LPFC_CLEAR_LA: | |
921 | case LPFC_HBA_READY: | |
922 | /* Links up, beyond this port_type reports state */ | |
923 | fc_host_port_state(shost) = FC_PORTSTATE_ONLINE; | |
924 | break; | |
925 | case LPFC_HBA_ERROR: | |
926 | fc_host_port_state(shost) = FC_PORTSTATE_ERROR; | |
927 | break; | |
928 | default: | |
929 | fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN; | |
930 | break; | |
931 | } | |
932 | } | |
933 | ||
934 | spin_unlock_irq(shost->host_lock); | |
935 | } | |
936 | ||
937 | static void | |
938 | lpfc_get_host_speed(struct Scsi_Host *shost) | |
939 | { | |
940 | struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0]; | |
941 | ||
942 | spin_lock_irq(shost->host_lock); | |
943 | ||
944 | if (phba->hba_state == LPFC_HBA_READY) { | |
945 | switch(phba->fc_linkspeed) { | |
946 | case LA_1GHZ_LINK: | |
947 | fc_host_speed(shost) = FC_PORTSPEED_1GBIT; | |
948 | break; | |
949 | case LA_2GHZ_LINK: | |
950 | fc_host_speed(shost) = FC_PORTSPEED_2GBIT; | |
951 | break; | |
952 | case LA_4GHZ_LINK: | |
953 | fc_host_speed(shost) = FC_PORTSPEED_4GBIT; | |
954 | break; | |
955 | default: | |
956 | fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; | |
957 | break; | |
958 | } | |
959 | } | |
960 | ||
961 | spin_unlock_irq(shost->host_lock); | |
962 | } | |
963 | ||
964 | static void | |
965 | lpfc_get_host_fabric_name (struct Scsi_Host *shost) | |
966 | { | |
967 | struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0]; | |
968 | u64 nodename; | |
969 | ||
970 | spin_lock_irq(shost->host_lock); | |
971 | ||
972 | if ((phba->fc_flag & FC_FABRIC) || | |
973 | ((phba->fc_topology == TOPOLOGY_LOOP) && | |
974 | (phba->fc_flag & FC_PUBLIC_LOOP))) | |
975 | memcpy(&nodename, &phba->fc_fabparam.nodeName, sizeof(u64)); | |
976 | else | |
977 | /* fabric is local port if there is no F/FL_Port */ | |
978 | memcpy(&nodename, &phba->fc_nodename, sizeof(u64)); | |
979 | ||
980 | spin_unlock_irq(shost->host_lock); | |
981 | ||
982 | fc_host_fabric_name(shost) = be64_to_cpu(nodename); | |
983 | } | |
984 | ||
985 | ||
986 | static struct fc_host_statistics * | |
987 | lpfc_get_stats(struct Scsi_Host *shost) | |
988 | { | |
989 | struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0]; | |
990 | struct lpfc_sli *psli = &phba->sli; | |
991 | struct fc_host_statistics *hs = | |
992 | (struct fc_host_statistics *)phba->link_stats; | |
993 | LPFC_MBOXQ_t *pmboxq; | |
994 | MAILBOX_t *pmb; | |
995 | int rc=0; | |
996 | ||
997 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
998 | if (!pmboxq) | |
999 | return NULL; | |
1000 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
1001 | ||
1002 | pmb = &pmboxq->mb; | |
1003 | pmb->mbxCommand = MBX_READ_STATUS; | |
1004 | pmb->mbxOwner = OWN_HOST; | |
1005 | pmboxq->context1 = NULL; | |
1006 | ||
1007 | if ((phba->fc_flag & FC_OFFLINE_MODE) || | |
1008 | (!(psli->sli_flag & LPFC_SLI2_ACTIVE))){ | |
1009 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); | |
1010 | } else | |
1011 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
1012 | ||
1013 | if (rc != MBX_SUCCESS) { | |
1014 | if (pmboxq) { | |
1015 | if (rc == MBX_TIMEOUT) | |
1016 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1017 | else | |
1018 | mempool_free( pmboxq, phba->mbox_mem_pool); | |
1019 | } | |
1020 | return NULL; | |
1021 | } | |
1022 | ||
1023 | hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt; | |
1024 | hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256); | |
1025 | hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt; | |
1026 | hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256); | |
1027 | ||
1028 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
1029 | pmb->mbxCommand = MBX_READ_LNK_STAT; | |
1030 | pmb->mbxOwner = OWN_HOST; | |
1031 | pmboxq->context1 = NULL; | |
1032 | ||
1033 | if ((phba->fc_flag & FC_OFFLINE_MODE) || | |
1034 | (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) { | |
1035 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); | |
1036 | } else | |
1037 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
1038 | ||
1039 | if (rc != MBX_SUCCESS) { | |
1040 | if (pmboxq) { | |
1041 | if (rc == MBX_TIMEOUT) | |
1042 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1043 | else | |
1044 | mempool_free( pmboxq, phba->mbox_mem_pool); | |
1045 | } | |
1046 | return NULL; | |
1047 | } | |
1048 | ||
1049 | hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; | |
1050 | hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; | |
1051 | hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; | |
1052 | hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; | |
1053 | hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; | |
1054 | hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt; | |
1055 | hs->error_frames = pmb->un.varRdLnk.crcCnt; | |
1056 | ||
1057 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
1058 | hs->lip_count = (phba->fc_eventTag >> 1); | |
1059 | hs->nos_count = -1; | |
1060 | } else { | |
1061 | hs->lip_count = -1; | |
1062 | hs->nos_count = (phba->fc_eventTag >> 1); | |
1063 | } | |
1064 | ||
1065 | hs->dumped_frames = -1; | |
1066 | ||
1067 | /* FIX ME */ | |
1068 | /*hs->SecondsSinceLastReset = (jiffies - lpfc_loadtime) / HZ;*/ | |
1069 | ||
1070 | return hs; | |
1071 | } | |
1072 | ||
1073 | ||
1074 | /* | |
1075 | * The LPFC driver treats linkdown handling as target loss events so there | |
1076 | * are no sysfs handlers for link_down_tmo. | |
1077 | */ | |
1078 | static void | |
1079 | lpfc_get_starget_port_id(struct scsi_target *starget) | |
1080 | { | |
1081 | struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); | |
1082 | struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0]; | |
1083 | uint32_t did = -1; | |
1084 | struct lpfc_nodelist *ndlp = NULL; | |
1085 | ||
1086 | spin_lock_irq(shost->host_lock); | |
1087 | /* Search the mapped list for this target ID */ | |
1088 | list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) { | |
1089 | if (starget->id == ndlp->nlp_sid) { | |
1090 | did = ndlp->nlp_DID; | |
1091 | break; | |
1092 | } | |
1093 | } | |
1094 | spin_unlock_irq(shost->host_lock); | |
1095 | ||
1096 | fc_starget_port_id(starget) = did; | |
1097 | } | |
1098 | ||
1099 | static void | |
1100 | lpfc_get_starget_node_name(struct scsi_target *starget) | |
1101 | { | |
1102 | struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); | |
1103 | struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0]; | |
1104 | uint64_t node_name = 0; | |
1105 | struct lpfc_nodelist *ndlp = NULL; | |
1106 | ||
1107 | spin_lock_irq(shost->host_lock); | |
1108 | /* Search the mapped list for this target ID */ | |
1109 | list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) { | |
1110 | if (starget->id == ndlp->nlp_sid) { | |
1111 | memcpy(&node_name, &ndlp->nlp_nodename, | |
1112 | sizeof(struct lpfc_name)); | |
1113 | break; | |
1114 | } | |
1115 | } | |
1116 | spin_unlock_irq(shost->host_lock); | |
1117 | ||
1118 | fc_starget_node_name(starget) = be64_to_cpu(node_name); | |
1119 | } | |
1120 | ||
1121 | static void | |
1122 | lpfc_get_starget_port_name(struct scsi_target *starget) | |
1123 | { | |
1124 | struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); | |
1125 | struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0]; | |
1126 | uint64_t port_name = 0; | |
1127 | struct lpfc_nodelist *ndlp = NULL; | |
1128 | ||
1129 | spin_lock_irq(shost->host_lock); | |
1130 | /* Search the mapped list for this target ID */ | |
1131 | list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) { | |
1132 | if (starget->id == ndlp->nlp_sid) { | |
1133 | memcpy(&port_name, &ndlp->nlp_portname, | |
1134 | sizeof(struct lpfc_name)); | |
1135 | break; | |
1136 | } | |
1137 | } | |
1138 | spin_unlock_irq(shost->host_lock); | |
1139 | ||
1140 | fc_starget_port_name(starget) = be64_to_cpu(port_name); | |
1141 | } | |
1142 | ||
1143 | static void | |
1144 | lpfc_get_rport_loss_tmo(struct fc_rport *rport) | |
1145 | { | |
1146 | /* | |
1147 | * Return the driver's global value for device loss timeout plus | |
1148 | * five seconds to allow the driver's nodev timer to run. | |
1149 | */ | |
1150 | rport->dev_loss_tmo = lpfc_nodev_tmo + 5; | |
1151 | } | |
1152 | ||
1153 | static void | |
1154 | lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) | |
1155 | { | |
1156 | /* | |
1157 | * The driver doesn't have a per-target timeout setting. Set | |
1158 | * this value globally. lpfc_nodev_tmo should be greater then 0. | |
1159 | */ | |
1160 | if (timeout) | |
1161 | lpfc_nodev_tmo = timeout; | |
1162 | else | |
1163 | lpfc_nodev_tmo = 1; | |
1164 | rport->dev_loss_tmo = lpfc_nodev_tmo + 5; | |
1165 | } | |
1166 | ||
1167 | ||
1168 | #define lpfc_rport_show_function(field, format_string, sz, cast) \ | |
1169 | static ssize_t \ | |
1170 | lpfc_show_rport_##field (struct class_device *cdev, char *buf) \ | |
1171 | { \ | |
1172 | struct fc_rport *rport = transport_class_to_rport(cdev); \ | |
1173 | struct lpfc_rport_data *rdata = rport->hostdata; \ | |
1174 | return snprintf(buf, sz, format_string, \ | |
1175 | (rdata->target) ? cast rdata->target->field : 0); \ | |
1176 | } | |
1177 | ||
1178 | #define lpfc_rport_rd_attr(field, format_string, sz) \ | |
1179 | lpfc_rport_show_function(field, format_string, sz, ) \ | |
1180 | static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL) | |
1181 | ||
1182 | ||
1183 | struct fc_function_template lpfc_transport_functions = { | |
1184 | /* fixed attributes the driver supports */ | |
1185 | .show_host_node_name = 1, | |
1186 | .show_host_port_name = 1, | |
1187 | .show_host_supported_classes = 1, | |
1188 | .show_host_supported_fc4s = 1, | |
1189 | .show_host_symbolic_name = 1, | |
1190 | .show_host_supported_speeds = 1, | |
1191 | .show_host_maxframe_size = 1, | |
1192 | ||
1193 | /* dynamic attributes the driver supports */ | |
1194 | .get_host_port_id = lpfc_get_host_port_id, | |
1195 | .show_host_port_id = 1, | |
1196 | ||
1197 | .get_host_port_type = lpfc_get_host_port_type, | |
1198 | .show_host_port_type = 1, | |
1199 | ||
1200 | .get_host_port_state = lpfc_get_host_port_state, | |
1201 | .show_host_port_state = 1, | |
1202 | ||
1203 | /* active_fc4s is shown but doesn't change (thus no get function) */ | |
1204 | .show_host_active_fc4s = 1, | |
1205 | ||
1206 | .get_host_speed = lpfc_get_host_speed, | |
1207 | .show_host_speed = 1, | |
1208 | ||
1209 | .get_host_fabric_name = lpfc_get_host_fabric_name, | |
1210 | .show_host_fabric_name = 1, | |
1211 | ||
1212 | /* | |
1213 | * The LPFC driver treats linkdown handling as target loss events | |
1214 | * so there are no sysfs handlers for link_down_tmo. | |
1215 | */ | |
1216 | ||
1217 | .get_fc_host_stats = lpfc_get_stats, | |
1218 | ||
1219 | /* the LPFC driver doesn't support resetting stats yet */ | |
1220 | ||
1221 | .dd_fcrport_size = sizeof(struct lpfc_rport_data), | |
1222 | .show_rport_maxframe_size = 1, | |
1223 | .show_rport_supported_classes = 1, | |
1224 | ||
1225 | .get_rport_dev_loss_tmo = lpfc_get_rport_loss_tmo, | |
1226 | .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, | |
1227 | .show_rport_dev_loss_tmo = 1, | |
1228 | ||
1229 | .get_starget_port_id = lpfc_get_starget_port_id, | |
1230 | .show_starget_port_id = 1, | |
1231 | ||
1232 | .get_starget_node_name = lpfc_get_starget_node_name, | |
1233 | .show_starget_node_name = 1, | |
1234 | ||
1235 | .get_starget_port_name = lpfc_get_starget_port_name, | |
1236 | .show_starget_port_name = 1, | |
1237 | }; | |
1238 | ||
1239 | void | |
1240 | lpfc_get_cfgparam(struct lpfc_hba *phba) | |
1241 | { | |
1242 | phba->cfg_log_verbose = lpfc_log_verbose; | |
1243 | phba->cfg_cr_delay = lpfc_cr_delay; | |
1244 | phba->cfg_cr_count = lpfc_cr_count; | |
1245 | phba->cfg_lun_queue_depth = lpfc_lun_queue_depth; | |
1246 | phba->cfg_fcp_class = lpfc_fcp_class; | |
1247 | phba->cfg_use_adisc = lpfc_use_adisc; | |
1248 | phba->cfg_ack0 = lpfc_ack0; | |
1249 | phba->cfg_topology = lpfc_topology; | |
1250 | phba->cfg_scan_down = lpfc_scan_down; | |
1251 | phba->cfg_nodev_tmo = lpfc_nodev_tmo; | |
1252 | phba->cfg_link_speed = lpfc_link_speed; | |
1253 | phba->cfg_fdmi_on = lpfc_fdmi_on; | |
1254 | phba->cfg_discovery_threads = lpfc_discovery_threads; | |
1255 | phba->cfg_max_luns = lpfc_max_luns; | |
1256 | ||
1257 | /* | |
1258 | * The total number of segments is the configuration value plus 2 | |
1259 | * since the IOCB need a command and response bde. | |
1260 | */ | |
1261 | phba->cfg_sg_seg_cnt = LPFC_SG_SEG_CNT + 2; | |
1262 | ||
1263 | /* | |
1264 | * Since the sg_tablesize is module parameter, the sg_dma_buf_size | |
1265 | * used to create the sg_dma_buf_pool must be dynamically calculated | |
1266 | */ | |
1267 | phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + | |
1268 | sizeof(struct fcp_rsp) + | |
1269 | (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64)); | |
1270 | ||
1271 | switch (phba->pcidev->device) { | |
1272 | case PCI_DEVICE_ID_LP101: | |
1273 | case PCI_DEVICE_ID_BSMB: | |
1274 | case PCI_DEVICE_ID_ZSMB: | |
1275 | phba->cfg_hba_queue_depth = LPFC_LP101_HBA_Q_DEPTH; | |
1276 | break; | |
1277 | case PCI_DEVICE_ID_RFLY: | |
1278 | case PCI_DEVICE_ID_PFLY: | |
1279 | case PCI_DEVICE_ID_BMID: | |
1280 | case PCI_DEVICE_ID_ZMID: | |
1281 | case PCI_DEVICE_ID_TFLY: | |
1282 | phba->cfg_hba_queue_depth = LPFC_LC_HBA_Q_DEPTH; | |
1283 | break; | |
1284 | default: | |
1285 | phba->cfg_hba_queue_depth = LPFC_DFT_HBA_Q_DEPTH; | |
1286 | } | |
1287 | return; | |
1288 | } |