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dea3101e JB |
1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
0d041215 | 4 | * Copyright (C) 2017-2019 Broadcom. All Rights Reserved. The term * |
3e21d1cb | 5 | * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * |
50611577 | 6 | * Copyright (C) 2004-2016 Emulex. All rights reserved. * |
c44ce173 | 7 | * EMULEX and SLI are trademarks of Emulex. * |
d080abe0 | 8 | * www.broadcom.com * |
c44ce173 | 9 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e JB |
10 | * * |
11 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
12 | * modify it under the terms of version 2 of the GNU General * |
13 | * Public License as published by the Free Software Foundation. * | |
14 | * This program is distributed in the hope that it will be useful. * | |
15 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
16 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
17 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
18 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
19 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
20 | * more details, a copy of which can be found in the file COPYING * | |
21 | * included with this package. * | |
dea3101e JB |
22 | *******************************************************************/ |
23 | ||
dea3101e | 24 | #include <linux/ctype.h> |
46fa311e | 25 | #include <linux/delay.h> |
dea3101e JB |
26 | #include <linux/pci.h> |
27 | #include <linux/interrupt.h> | |
acf3368f | 28 | #include <linux/module.h> |
0d878419 | 29 | #include <linux/aer.h> |
5a0e3ad6 | 30 | #include <linux/gfp.h> |
ecc30990 | 31 | #include <linux/kernel.h> |
dea3101e | 32 | |
91886523 | 33 | #include <scsi/scsi.h> |
dea3101e JB |
34 | #include <scsi/scsi_device.h> |
35 | #include <scsi/scsi_host.h> | |
36 | #include <scsi/scsi_tcq.h> | |
37 | #include <scsi/scsi_transport_fc.h> | |
6a9c52cf | 38 | #include <scsi/fc/fc_fs.h> |
dea3101e | 39 | |
895427bd JS |
40 | #include <linux/nvme-fc-driver.h> |
41 | ||
da0436e9 | 42 | #include "lpfc_hw4.h" |
dea3101e JB |
43 | #include "lpfc_hw.h" |
44 | #include "lpfc_sli.h" | |
da0436e9 | 45 | #include "lpfc_sli4.h" |
ea2151b4 | 46 | #include "lpfc_nl.h" |
dea3101e | 47 | #include "lpfc_disc.h" |
dea3101e | 48 | #include "lpfc.h" |
895427bd JS |
49 | #include "lpfc_scsi.h" |
50 | #include "lpfc_nvme.h" | |
f358dd0c | 51 | #include "lpfc_nvmet.h" |
dea3101e JB |
52 | #include "lpfc_logmsg.h" |
53 | #include "lpfc_version.h" | |
54 | #include "lpfc_compat.h" | |
55 | #include "lpfc_crtn.h" | |
92d7f7b0 | 56 | #include "lpfc_vport.h" |
93dd1911 | 57 | #include "lpfc_attr.h" |
dea3101e | 58 | |
2ea259ee JS |
59 | #define LPFC_DEF_DEVLOSS_TMO 30 |
60 | #define LPFC_MIN_DEVLOSS_TMO 1 | |
61 | #define LPFC_MAX_DEVLOSS_TMO 255 | |
dea3101e | 62 | |
61f3d4bf JS |
63 | #define LPFC_DEF_MRQ_POST 512 |
64 | #define LPFC_MIN_MRQ_POST 512 | |
65 | #define LPFC_MAX_MRQ_POST 2048 | |
dea3101e | 66 | |
f7a919b4 JS |
67 | /* |
68 | * Write key size should be multiple of 4. If write key is changed | |
69 | * make sure that library write key is also changed. | |
70 | */ | |
71 | #define LPFC_REG_WRITE_KEY_SIZE 4 | |
72 | #define LPFC_REG_WRITE_KEY "EMLX" | |
73 | ||
a73cb814 BVA |
74 | const char *const trunk_errmsg[] = { /* map errcode */ |
75 | "", /* There is no such error code at index 0*/ | |
76 | "link negotiated speed does not match existing" | |
77 | " trunk - link was \"low\" speed", | |
78 | "link negotiated speed does not match" | |
79 | " existing trunk - link was \"middle\" speed", | |
80 | "link negotiated speed does not match existing" | |
81 | " trunk - link was \"high\" speed", | |
82 | "Attached to non-trunking port - F_Port", | |
83 | "Attached to non-trunking port - N_Port", | |
84 | "FLOGI response timeout", | |
85 | "non-FLOGI frame received", | |
86 | "Invalid FLOGI response", | |
87 | "Trunking initialization protocol", | |
88 | "Trunk peer device mismatch", | |
89 | }; | |
90 | ||
e59058c4 | 91 | /** |
3621a710 | 92 | * lpfc_jedec_to_ascii - Hex to ascii convertor according to JEDEC rules |
e59058c4 JS |
93 | * @incr: integer to convert. |
94 | * @hdw: ascii string holding converted integer plus a string terminator. | |
95 | * | |
96 | * Description: | |
97 | * JEDEC Joint Electron Device Engineering Council. | |
98 | * Convert a 32 bit integer composed of 8 nibbles into an 8 byte ascii | |
99 | * character string. The string is then terminated with a NULL in byte 9. | |
100 | * Hex 0-9 becomes ascii '0' to '9'. | |
101 | * Hex a-f becomes ascii '=' to 'B' capital B. | |
102 | * | |
103 | * Notes: | |
104 | * Coded for 32 bit integers only. | |
105 | **/ | |
dea3101e JB |
106 | static void |
107 | lpfc_jedec_to_ascii(int incr, char hdw[]) | |
108 | { | |
109 | int i, j; | |
110 | for (i = 0; i < 8; i++) { | |
111 | j = (incr & 0xf); | |
112 | if (j <= 9) | |
113 | hdw[7 - i] = 0x30 + j; | |
114 | else | |
115 | hdw[7 - i] = 0x61 + j - 10; | |
116 | incr = (incr >> 4); | |
117 | } | |
118 | hdw[8] = 0; | |
119 | return; | |
120 | } | |
121 | ||
e59058c4 | 122 | /** |
3621a710 | 123 | * lpfc_drvr_version_show - Return the Emulex driver string with version number |
e59058c4 JS |
124 | * @dev: class unused variable. |
125 | * @attr: device attribute, not used. | |
126 | * @buf: on return contains the module description text. | |
127 | * | |
128 | * Returns: size of formatted string. | |
129 | **/ | |
dea3101e | 130 | static ssize_t |
ee959b00 TJ |
131 | lpfc_drvr_version_show(struct device *dev, struct device_attribute *attr, |
132 | char *buf) | |
dea3101e | 133 | { |
e7f7b6f3 | 134 | return scnprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n"); |
dea3101e JB |
135 | } |
136 | ||
45ed1190 JS |
137 | /** |
138 | * lpfc_enable_fip_show - Return the fip mode of the HBA | |
139 | * @dev: class unused variable. | |
140 | * @attr: device attribute, not used. | |
141 | * @buf: on return contains the module description text. | |
142 | * | |
143 | * Returns: size of formatted string. | |
144 | **/ | |
145 | static ssize_t | |
146 | lpfc_enable_fip_show(struct device *dev, struct device_attribute *attr, | |
147 | char *buf) | |
148 | { | |
149 | struct Scsi_Host *shost = class_to_shost(dev); | |
150 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
151 | struct lpfc_hba *phba = vport->phba; | |
152 | ||
153 | if (phba->hba_flag & HBA_FIP_SUPPORT) | |
e7f7b6f3 | 154 | return scnprintf(buf, PAGE_SIZE, "1\n"); |
45ed1190 | 155 | else |
e7f7b6f3 | 156 | return scnprintf(buf, PAGE_SIZE, "0\n"); |
45ed1190 JS |
157 | } |
158 | ||
895427bd JS |
159 | static ssize_t |
160 | lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr, | |
161 | char *buf) | |
162 | { | |
163 | struct Scsi_Host *shost = class_to_shost(dev); | |
164 | struct lpfc_vport *vport = shost_priv(shost); | |
165 | struct lpfc_hba *phba = vport->phba; | |
f358dd0c | 166 | struct lpfc_nvmet_tgtport *tgtp; |
895427bd | 167 | struct nvme_fc_local_port *localport; |
4b056682 | 168 | struct lpfc_nvme_lport *lport; |
01466024 | 169 | struct lpfc_nvme_rport *rport; |
80cc0043 | 170 | struct lpfc_nodelist *ndlp; |
895427bd | 171 | struct nvme_fc_remote_port *nrport; |
4c47efc1 | 172 | struct lpfc_fc4_ctrl_stat *cstat; |
66a210ff JS |
173 | uint64_t data1, data2, data3; |
174 | uint64_t totin, totout, tot; | |
895427bd | 175 | char *statep; |
66a210ff | 176 | int i; |
895427bd | 177 | int len = 0; |
afff0d23 | 178 | char tmp[LPFC_MAX_NVME_INFO_TMP_LEN] = {0}; |
e2a8be56 | 179 | unsigned long iflags = 0; |
895427bd | 180 | |
f6e84790 | 181 | if (!(vport->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) { |
afff0d23 | 182 | len = scnprintf(buf, PAGE_SIZE, "NVME Disabled\n"); |
895427bd JS |
183 | return len; |
184 | } | |
f358dd0c JS |
185 | if (phba->nvmet_support) { |
186 | if (!phba->targetport) { | |
afff0d23 | 187 | len = scnprintf(buf, PAGE_SIZE, |
f358dd0c JS |
188 | "NVME Target: x%llx is not allocated\n", |
189 | wwn_to_u64(vport->fc_portname.u.wwn)); | |
190 | return len; | |
191 | } | |
192 | /* Port state is only one of two values for now. */ | |
193 | if (phba->targetport->port_id) | |
194 | statep = "REGISTERED"; | |
195 | else | |
196 | statep = "INIT"; | |
afff0d23 JS |
197 | scnprintf(tmp, sizeof(tmp), |
198 | "NVME Target Enabled State %s\n", | |
199 | statep); | |
200 | if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) | |
201 | goto buffer_done; | |
202 | ||
203 | scnprintf(tmp, sizeof(tmp), | |
204 | "%s%d WWPN x%llx WWNN x%llx DID x%06x\n", | |
205 | "NVME Target: lpfc", | |
206 | phba->brd_no, | |
207 | wwn_to_u64(vport->fc_portname.u.wwn), | |
208 | wwn_to_u64(vport->fc_nodename.u.wwn), | |
209 | phba->targetport->port_id); | |
210 | if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) | |
211 | goto buffer_done; | |
212 | ||
213 | if (strlcat(buf, "\nNVME Target: Statistics\n", PAGE_SIZE) | |
214 | >= PAGE_SIZE) | |
215 | goto buffer_done; | |
216 | ||
f358dd0c | 217 | tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; |
afff0d23 JS |
218 | scnprintf(tmp, sizeof(tmp), |
219 | "LS: Rcv %08x Drop %08x Abort %08x\n", | |
220 | atomic_read(&tgtp->rcv_ls_req_in), | |
221 | atomic_read(&tgtp->rcv_ls_req_drop), | |
222 | atomic_read(&tgtp->xmt_ls_abort)); | |
223 | if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) | |
224 | goto buffer_done; | |
225 | ||
f358dd0c JS |
226 | if (atomic_read(&tgtp->rcv_ls_req_in) != |
227 | atomic_read(&tgtp->rcv_ls_req_out)) { | |
afff0d23 JS |
228 | scnprintf(tmp, sizeof(tmp), |
229 | "Rcv LS: in %08x != out %08x\n", | |
230 | atomic_read(&tgtp->rcv_ls_req_in), | |
231 | atomic_read(&tgtp->rcv_ls_req_out)); | |
232 | if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) | |
233 | goto buffer_done; | |
f358dd0c JS |
234 | } |
235 | ||
afff0d23 JS |
236 | scnprintf(tmp, sizeof(tmp), |
237 | "LS: Xmt %08x Drop %08x Cmpl %08x\n", | |
238 | atomic_read(&tgtp->xmt_ls_rsp), | |
239 | atomic_read(&tgtp->xmt_ls_drop), | |
240 | atomic_read(&tgtp->xmt_ls_rsp_cmpl)); | |
241 | if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) | |
242 | goto buffer_done; | |
243 | ||
244 | scnprintf(tmp, sizeof(tmp), | |
245 | "LS: RSP Abort %08x xb %08x Err %08x\n", | |
246 | atomic_read(&tgtp->xmt_ls_rsp_aborted), | |
247 | atomic_read(&tgtp->xmt_ls_rsp_xb_set), | |
248 | atomic_read(&tgtp->xmt_ls_rsp_error)); | |
249 | if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) | |
250 | goto buffer_done; | |
251 | ||
252 | scnprintf(tmp, sizeof(tmp), | |
253 | "FCP: Rcv %08x Defer %08x Release %08x " | |
254 | "Drop %08x\n", | |
255 | atomic_read(&tgtp->rcv_fcp_cmd_in), | |
256 | atomic_read(&tgtp->rcv_fcp_cmd_defer), | |
257 | atomic_read(&tgtp->xmt_fcp_release), | |
258 | atomic_read(&tgtp->rcv_fcp_cmd_drop)); | |
259 | if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) | |
260 | goto buffer_done; | |
f358dd0c JS |
261 | |
262 | if (atomic_read(&tgtp->rcv_fcp_cmd_in) != | |
263 | atomic_read(&tgtp->rcv_fcp_cmd_out)) { | |
afff0d23 JS |
264 | scnprintf(tmp, sizeof(tmp), |
265 | "Rcv FCP: in %08x != out %08x\n", | |
266 | atomic_read(&tgtp->rcv_fcp_cmd_in), | |
267 | atomic_read(&tgtp->rcv_fcp_cmd_out)); | |
268 | if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) | |
269 | goto buffer_done; | |
f358dd0c JS |
270 | } |
271 | ||
afff0d23 JS |
272 | scnprintf(tmp, sizeof(tmp), |
273 | "FCP Rsp: RD %08x rsp %08x WR %08x rsp %08x " | |
274 | "drop %08x\n", | |
275 | atomic_read(&tgtp->xmt_fcp_read), | |
276 | atomic_read(&tgtp->xmt_fcp_read_rsp), | |
277 | atomic_read(&tgtp->xmt_fcp_write), | |
278 | atomic_read(&tgtp->xmt_fcp_rsp), | |
279 | atomic_read(&tgtp->xmt_fcp_drop)); | |
280 | if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) | |
281 | goto buffer_done; | |
282 | ||
283 | scnprintf(tmp, sizeof(tmp), | |
284 | "FCP Rsp Cmpl: %08x err %08x drop %08x\n", | |
285 | atomic_read(&tgtp->xmt_fcp_rsp_cmpl), | |
286 | atomic_read(&tgtp->xmt_fcp_rsp_error), | |
287 | atomic_read(&tgtp->xmt_fcp_rsp_drop)); | |
288 | if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) | |
289 | goto buffer_done; | |
290 | ||
291 | scnprintf(tmp, sizeof(tmp), | |
292 | "FCP Rsp Abort: %08x xb %08x xricqe %08x\n", | |
293 | atomic_read(&tgtp->xmt_fcp_rsp_aborted), | |
294 | atomic_read(&tgtp->xmt_fcp_rsp_xb_set), | |
295 | atomic_read(&tgtp->xmt_fcp_xri_abort_cqe)); | |
296 | if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) | |
297 | goto buffer_done; | |
298 | ||
299 | scnprintf(tmp, sizeof(tmp), | |
300 | "ABORT: Xmt %08x Cmpl %08x\n", | |
301 | atomic_read(&tgtp->xmt_fcp_abort), | |
302 | atomic_read(&tgtp->xmt_fcp_abort_cmpl)); | |
303 | if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) | |
304 | goto buffer_done; | |
305 | ||
306 | scnprintf(tmp, sizeof(tmp), | |
307 | "ABORT: Sol %08x Usol %08x Err %08x Cmpl %08x\n", | |
308 | atomic_read(&tgtp->xmt_abort_sol), | |
309 | atomic_read(&tgtp->xmt_abort_unsol), | |
310 | atomic_read(&tgtp->xmt_abort_rsp), | |
311 | atomic_read(&tgtp->xmt_abort_rsp_error)); | |
312 | if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) | |
313 | goto buffer_done; | |
314 | ||
315 | scnprintf(tmp, sizeof(tmp), | |
316 | "DELAY: ctx %08x fod %08x wqfull %08x\n", | |
317 | atomic_read(&tgtp->defer_ctx), | |
318 | atomic_read(&tgtp->defer_fod), | |
319 | atomic_read(&tgtp->defer_wqfull)); | |
320 | if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) | |
321 | goto buffer_done; | |
411de511 | 322 | |
66d7ce93 DK |
323 | /* Calculate outstanding IOs */ |
324 | tot = atomic_read(&tgtp->rcv_fcp_cmd_drop); | |
325 | tot += atomic_read(&tgtp->xmt_fcp_release); | |
326 | tot = atomic_read(&tgtp->rcv_fcp_cmd_in) - tot; | |
2cee7808 | 327 | |
afff0d23 JS |
328 | scnprintf(tmp, sizeof(tmp), |
329 | "IO_CTX: %08x WAIT: cur %08x tot %08x\n" | |
330 | "CTX Outstanding %08llx\n\n", | |
331 | phba->sli4_hba.nvmet_xri_cnt, | |
332 | phba->sli4_hba.nvmet_io_wait_cnt, | |
333 | phba->sli4_hba.nvmet_io_wait_total, | |
334 | tot); | |
335 | strlcat(buf, tmp, PAGE_SIZE); | |
336 | goto buffer_done; | |
f358dd0c | 337 | } |
895427bd JS |
338 | |
339 | localport = vport->localport; | |
340 | if (!localport) { | |
afff0d23 | 341 | len = scnprintf(buf, PAGE_SIZE, |
895427bd JS |
342 | "NVME Initiator x%llx is not allocated\n", |
343 | wwn_to_u64(vport->fc_portname.u.wwn)); | |
344 | return len; | |
345 | } | |
5c665aeb | 346 | lport = (struct lpfc_nvme_lport *)localport->private; |
afff0d23 JS |
347 | if (strlcat(buf, "\nNVME Initiator Enabled\n", PAGE_SIZE) >= PAGE_SIZE) |
348 | goto buffer_done; | |
349 | ||
350 | rcu_read_lock(); | |
351 | scnprintf(tmp, sizeof(tmp), | |
0794d601 | 352 | "XRI Dist lpfc%d Total %d IO %d ELS %d\n", |
afff0d23 JS |
353 | phba->brd_no, |
354 | phba->sli4_hba.max_cfg_param.max_xri, | |
5e5b511d | 355 | phba->sli4_hba.io_xri_max, |
afff0d23 JS |
356 | lpfc_sli4_get_els_iocb_cnt(phba)); |
357 | if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) | |
79080d34 | 358 | goto rcu_unlock_buf_done; |
895427bd JS |
359 | |
360 | /* Port state is only one of two values for now. */ | |
361 | if (localport->port_id) | |
362 | statep = "ONLINE"; | |
363 | else | |
364 | statep = "UNKNOWN "; | |
365 | ||
afff0d23 JS |
366 | scnprintf(tmp, sizeof(tmp), |
367 | "%s%d WWPN x%llx WWNN x%llx DID x%06x %s\n", | |
368 | "NVME LPORT lpfc", | |
369 | phba->brd_no, | |
370 | wwn_to_u64(vport->fc_portname.u.wwn), | |
371 | wwn_to_u64(vport->fc_nodename.u.wwn), | |
372 | localport->port_id, statep); | |
373 | if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) | |
79080d34 | 374 | goto rcu_unlock_buf_done; |
895427bd | 375 | |
80cc0043 | 376 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
9e210178 | 377 | nrport = NULL; |
e2a8be56 | 378 | spin_lock_irqsave(&vport->phba->hbalock, iflags); |
01466024 | 379 | rport = lpfc_ndlp_get_nrport(ndlp); |
9e210178 JS |
380 | if (rport) |
381 | nrport = rport->remoteport; | |
e2a8be56 | 382 | spin_unlock_irqrestore(&vport->phba->hbalock, iflags); |
01466024 JS |
383 | if (!nrport) |
384 | continue; | |
895427bd JS |
385 | |
386 | /* Port state is only one of two values for now. */ | |
387 | switch (nrport->port_state) { | |
388 | case FC_OBJSTATE_ONLINE: | |
389 | statep = "ONLINE"; | |
390 | break; | |
391 | case FC_OBJSTATE_UNKNOWN: | |
392 | statep = "UNKNOWN "; | |
393 | break; | |
394 | default: | |
395 | statep = "UNSUPPORTED"; | |
396 | break; | |
397 | } | |
398 | ||
399 | /* Tab in to show lport ownership. */ | |
afff0d23 | 400 | if (strlcat(buf, "NVME RPORT ", PAGE_SIZE) >= PAGE_SIZE) |
79080d34 | 401 | goto rcu_unlock_buf_done; |
afff0d23 JS |
402 | if (phba->brd_no >= 10) { |
403 | if (strlcat(buf, " ", PAGE_SIZE) >= PAGE_SIZE) | |
79080d34 | 404 | goto rcu_unlock_buf_done; |
afff0d23 JS |
405 | } |
406 | ||
407 | scnprintf(tmp, sizeof(tmp), "WWPN x%llx ", | |
408 | nrport->port_name); | |
409 | if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) | |
79080d34 | 410 | goto rcu_unlock_buf_done; |
afff0d23 JS |
411 | |
412 | scnprintf(tmp, sizeof(tmp), "WWNN x%llx ", | |
413 | nrport->node_name); | |
414 | if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) | |
79080d34 | 415 | goto rcu_unlock_buf_done; |
afff0d23 JS |
416 | |
417 | scnprintf(tmp, sizeof(tmp), "DID x%06x ", | |
418 | nrport->port_id); | |
419 | if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) | |
79080d34 | 420 | goto rcu_unlock_buf_done; |
895427bd | 421 | |
7d790f04 | 422 | /* An NVME rport can have multiple roles. */ |
afff0d23 JS |
423 | if (nrport->port_role & FC_PORT_ROLE_NVME_INITIATOR) { |
424 | if (strlcat(buf, "INITIATOR ", PAGE_SIZE) >= PAGE_SIZE) | |
79080d34 | 425 | goto rcu_unlock_buf_done; |
afff0d23 JS |
426 | } |
427 | if (nrport->port_role & FC_PORT_ROLE_NVME_TARGET) { | |
428 | if (strlcat(buf, "TARGET ", PAGE_SIZE) >= PAGE_SIZE) | |
79080d34 | 429 | goto rcu_unlock_buf_done; |
afff0d23 JS |
430 | } |
431 | if (nrport->port_role & FC_PORT_ROLE_NVME_DISCOVERY) { | |
432 | if (strlcat(buf, "DISCSRVC ", PAGE_SIZE) >= PAGE_SIZE) | |
79080d34 | 433 | goto rcu_unlock_buf_done; |
afff0d23 | 434 | } |
7d790f04 JS |
435 | if (nrport->port_role & ~(FC_PORT_ROLE_NVME_INITIATOR | |
436 | FC_PORT_ROLE_NVME_TARGET | | |
afff0d23 JS |
437 | FC_PORT_ROLE_NVME_DISCOVERY)) { |
438 | scnprintf(tmp, sizeof(tmp), "UNKNOWN ROLE x%x", | |
439 | nrport->port_role); | |
440 | if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) | |
79080d34 | 441 | goto rcu_unlock_buf_done; |
afff0d23 JS |
442 | } |
443 | ||
444 | scnprintf(tmp, sizeof(tmp), "%s\n", statep); | |
445 | if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) | |
79080d34 | 446 | goto rcu_unlock_buf_done; |
895427bd | 447 | } |
afff0d23 | 448 | rcu_read_unlock(); |
895427bd | 449 | |
66a210ff | 450 | if (!lport) |
afff0d23 JS |
451 | goto buffer_done; |
452 | ||
453 | if (strlcat(buf, "\nNVME Statistics\n", PAGE_SIZE) >= PAGE_SIZE) | |
454 | goto buffer_done; | |
455 | ||
456 | scnprintf(tmp, sizeof(tmp), | |
457 | "LS: Xmt %010x Cmpl %010x Abort %08x\n", | |
458 | atomic_read(&lport->fc4NvmeLsRequests), | |
459 | atomic_read(&lport->fc4NvmeLsCmpls), | |
460 | atomic_read(&lport->xmt_ls_abort)); | |
461 | if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) | |
462 | goto buffer_done; | |
463 | ||
464 | scnprintf(tmp, sizeof(tmp), | |
465 | "LS XMIT: Err %08x CMPL: xb %08x Err %08x\n", | |
466 | atomic_read(&lport->xmt_ls_err), | |
467 | atomic_read(&lport->cmpl_ls_xb), | |
468 | atomic_read(&lport->cmpl_ls_err)); | |
469 | if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) | |
470 | goto buffer_done; | |
2cee7808 | 471 | |
66a210ff JS |
472 | totin = 0; |
473 | totout = 0; | |
cdb42bec | 474 | for (i = 0; i < phba->cfg_hdw_queue; i++) { |
4c47efc1 JS |
475 | cstat = &phba->sli4_hba.hdwq[i].nvme_cstat; |
476 | tot = cstat->io_cmpls; | |
66a210ff | 477 | totin += tot; |
4c47efc1 JS |
478 | data1 = cstat->input_requests; |
479 | data2 = cstat->output_requests; | |
480 | data3 = cstat->control_requests; | |
66a210ff JS |
481 | totout += (data1 + data2 + data3); |
482 | } | |
afff0d23 JS |
483 | scnprintf(tmp, sizeof(tmp), |
484 | "Total FCP Cmpl %016llx Issue %016llx " | |
485 | "OutIO %016llx\n", | |
486 | totin, totout, totout - totin); | |
487 | if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) | |
488 | goto buffer_done; | |
489 | ||
490 | scnprintf(tmp, sizeof(tmp), | |
491 | "\tabort %08x noxri %08x nondlp %08x qdepth %08x " | |
492 | "wqerr %08x err %08x\n", | |
493 | atomic_read(&lport->xmt_fcp_abort), | |
494 | atomic_read(&lport->xmt_fcp_noxri), | |
495 | atomic_read(&lport->xmt_fcp_bad_ndlp), | |
496 | atomic_read(&lport->xmt_fcp_qdepth), | |
497 | atomic_read(&lport->xmt_fcp_err), | |
498 | atomic_read(&lport->xmt_fcp_wqerr)); | |
499 | if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) | |
500 | goto buffer_done; | |
501 | ||
502 | scnprintf(tmp, sizeof(tmp), | |
503 | "FCP CMPL: xb %08x Err %08x\n", | |
504 | atomic_read(&lport->cmpl_fcp_xb), | |
505 | atomic_read(&lport->cmpl_fcp_err)); | |
506 | strlcat(buf, tmp, PAGE_SIZE); | |
507 | ||
79080d34 JS |
508 | /* RCU is already unlocked. */ |
509 | goto buffer_done; | |
510 | ||
511 | rcu_unlock_buf_done: | |
512 | rcu_read_unlock(); | |
513 | ||
514 | buffer_done: | |
afff0d23 JS |
515 | len = strnlen(buf, PAGE_SIZE); |
516 | ||
517 | if (unlikely(len >= (PAGE_SIZE - 1))) { | |
518 | lpfc_printf_log(phba, KERN_INFO, LOG_NVME, | |
519 | "6314 Catching potential buffer " | |
520 | "overflow > PAGE_SIZE = %lu bytes\n", | |
521 | PAGE_SIZE); | |
522 | strlcpy(buf + PAGE_SIZE - 1 - | |
523 | strnlen(LPFC_NVME_INFO_MORE_STR, PAGE_SIZE - 1), | |
524 | LPFC_NVME_INFO_MORE_STR, | |
525 | strnlen(LPFC_NVME_INFO_MORE_STR, PAGE_SIZE - 1) | |
526 | + 1); | |
527 | } | |
528 | ||
895427bd JS |
529 | return len; |
530 | } | |
531 | ||
4c47efc1 JS |
532 | static ssize_t |
533 | lpfc_scsi_stat_show(struct device *dev, struct device_attribute *attr, | |
534 | char *buf) | |
535 | { | |
536 | struct Scsi_Host *shost = class_to_shost(dev); | |
537 | struct lpfc_vport *vport = shost_priv(shost); | |
538 | struct lpfc_hba *phba = vport->phba; | |
539 | int len; | |
540 | struct lpfc_fc4_ctrl_stat *cstat; | |
541 | u64 data1, data2, data3; | |
542 | u64 tot, totin, totout; | |
543 | int i; | |
544 | char tmp[LPFC_MAX_SCSI_INFO_TMP_LEN] = {0}; | |
545 | ||
f6e84790 | 546 | if (!(vport->cfg_enable_fc4_type & LPFC_ENABLE_FCP) || |
4c47efc1 JS |
547 | (phba->sli_rev != LPFC_SLI_REV4)) |
548 | return 0; | |
549 | ||
550 | scnprintf(buf, PAGE_SIZE, "SCSI HDWQ Statistics\n"); | |
551 | ||
552 | totin = 0; | |
553 | totout = 0; | |
554 | for (i = 0; i < phba->cfg_hdw_queue; i++) { | |
555 | cstat = &phba->sli4_hba.hdwq[i].scsi_cstat; | |
556 | tot = cstat->io_cmpls; | |
557 | totin += tot; | |
558 | data1 = cstat->input_requests; | |
559 | data2 = cstat->output_requests; | |
560 | data3 = cstat->control_requests; | |
561 | totout += (data1 + data2 + data3); | |
562 | ||
563 | scnprintf(tmp, sizeof(tmp), "HDWQ (%d): Rd %016llx Wr %016llx " | |
564 | "IO %016llx ", i, data1, data2, data3); | |
565 | if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) | |
566 | goto buffer_done; | |
567 | ||
568 | scnprintf(tmp, sizeof(tmp), "Cmpl %016llx OutIO %016llx\n", | |
569 | tot, ((data1 + data2 + data3) - tot)); | |
570 | if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE) | |
571 | goto buffer_done; | |
572 | } | |
573 | scnprintf(tmp, sizeof(tmp), "Total FCP Cmpl %016llx Issue %016llx " | |
574 | "OutIO %016llx\n", totin, totout, totout - totin); | |
575 | strlcat(buf, tmp, PAGE_SIZE); | |
576 | ||
577 | buffer_done: | |
578 | len = strnlen(buf, PAGE_SIZE); | |
579 | ||
580 | return len; | |
581 | } | |
582 | ||
81301a9b JS |
583 | static ssize_t |
584 | lpfc_bg_info_show(struct device *dev, struct device_attribute *attr, | |
585 | char *buf) | |
586 | { | |
587 | struct Scsi_Host *shost = class_to_shost(dev); | |
588 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
589 | struct lpfc_hba *phba = vport->phba; | |
590 | ||
e7f7b6f3 | 591 | if (phba->cfg_enable_bg) { |
81301a9b | 592 | if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) |
e7f7b6f3 SC |
593 | return scnprintf(buf, PAGE_SIZE, |
594 | "BlockGuard Enabled\n"); | |
81301a9b | 595 | else |
e7f7b6f3 | 596 | return scnprintf(buf, PAGE_SIZE, |
81301a9b | 597 | "BlockGuard Not Supported\n"); |
e7f7b6f3 SC |
598 | } else |
599 | return scnprintf(buf, PAGE_SIZE, | |
81301a9b JS |
600 | "BlockGuard Disabled\n"); |
601 | } | |
602 | ||
603 | static ssize_t | |
604 | lpfc_bg_guard_err_show(struct device *dev, struct device_attribute *attr, | |
605 | char *buf) | |
606 | { | |
607 | struct Scsi_Host *shost = class_to_shost(dev); | |
608 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
609 | struct lpfc_hba *phba = vport->phba; | |
610 | ||
e7f7b6f3 | 611 | return scnprintf(buf, PAGE_SIZE, "%llu\n", |
87b5c328 | 612 | (unsigned long long)phba->bg_guard_err_cnt); |
81301a9b JS |
613 | } |
614 | ||
615 | static ssize_t | |
616 | lpfc_bg_apptag_err_show(struct device *dev, struct device_attribute *attr, | |
617 | char *buf) | |
618 | { | |
619 | struct Scsi_Host *shost = class_to_shost(dev); | |
620 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
621 | struct lpfc_hba *phba = vport->phba; | |
622 | ||
e7f7b6f3 | 623 | return scnprintf(buf, PAGE_SIZE, "%llu\n", |
87b5c328 | 624 | (unsigned long long)phba->bg_apptag_err_cnt); |
81301a9b JS |
625 | } |
626 | ||
627 | static ssize_t | |
628 | lpfc_bg_reftag_err_show(struct device *dev, struct device_attribute *attr, | |
629 | char *buf) | |
630 | { | |
631 | struct Scsi_Host *shost = class_to_shost(dev); | |
632 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
633 | struct lpfc_hba *phba = vport->phba; | |
634 | ||
e7f7b6f3 | 635 | return scnprintf(buf, PAGE_SIZE, "%llu\n", |
87b5c328 | 636 | (unsigned long long)phba->bg_reftag_err_cnt); |
81301a9b JS |
637 | } |
638 | ||
e59058c4 | 639 | /** |
3621a710 | 640 | * lpfc_info_show - Return some pci info about the host in ascii |
e59058c4 JS |
641 | * @dev: class converted to a Scsi_host structure. |
642 | * @attr: device attribute, not used. | |
643 | * @buf: on return contains the formatted text from lpfc_info(). | |
644 | * | |
645 | * Returns: size of formatted string. | |
646 | **/ | |
dea3101e | 647 | static ssize_t |
ee959b00 TJ |
648 | lpfc_info_show(struct device *dev, struct device_attribute *attr, |
649 | char *buf) | |
dea3101e | 650 | { |
ee959b00 | 651 | struct Scsi_Host *host = class_to_shost(dev); |
2e0fef85 | 652 | |
e7f7b6f3 | 653 | return scnprintf(buf, PAGE_SIZE, "%s\n", lpfc_info(host)); |
dea3101e JB |
654 | } |
655 | ||
e59058c4 | 656 | /** |
3621a710 | 657 | * lpfc_serialnum_show - Return the hba serial number in ascii |
e59058c4 JS |
658 | * @dev: class converted to a Scsi_host structure. |
659 | * @attr: device attribute, not used. | |
660 | * @buf: on return contains the formatted text serial number. | |
661 | * | |
662 | * Returns: size of formatted string. | |
663 | **/ | |
dea3101e | 664 | static ssize_t |
ee959b00 TJ |
665 | lpfc_serialnum_show(struct device *dev, struct device_attribute *attr, |
666 | char *buf) | |
dea3101e | 667 | { |
ee959b00 | 668 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
669 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
670 | struct lpfc_hba *phba = vport->phba; | |
671 | ||
e7f7b6f3 | 672 | return scnprintf(buf, PAGE_SIZE, "%s\n", phba->SerialNumber); |
dea3101e JB |
673 | } |
674 | ||
e59058c4 | 675 | /** |
3621a710 | 676 | * lpfc_temp_sensor_show - Return the temperature sensor level |
e59058c4 JS |
677 | * @dev: class converted to a Scsi_host structure. |
678 | * @attr: device attribute, not used. | |
679 | * @buf: on return contains the formatted support level. | |
680 | * | |
681 | * Description: | |
682 | * Returns a number indicating the temperature sensor level currently | |
683 | * supported, zero or one in ascii. | |
684 | * | |
685 | * Returns: size of formatted string. | |
686 | **/ | |
57127f15 | 687 | static ssize_t |
ee959b00 TJ |
688 | lpfc_temp_sensor_show(struct device *dev, struct device_attribute *attr, |
689 | char *buf) | |
57127f15 | 690 | { |
ee959b00 | 691 | struct Scsi_Host *shost = class_to_shost(dev); |
57127f15 JS |
692 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
693 | struct lpfc_hba *phba = vport->phba; | |
e7f7b6f3 | 694 | return scnprintf(buf, PAGE_SIZE, "%d\n", phba->temp_sensor_support); |
57127f15 JS |
695 | } |
696 | ||
e59058c4 | 697 | /** |
3621a710 | 698 | * lpfc_modeldesc_show - Return the model description of the hba |
e59058c4 JS |
699 | * @dev: class converted to a Scsi_host structure. |
700 | * @attr: device attribute, not used. | |
701 | * @buf: on return contains the scsi vpd model description. | |
702 | * | |
703 | * Returns: size of formatted string. | |
704 | **/ | |
dea3101e | 705 | static ssize_t |
ee959b00 TJ |
706 | lpfc_modeldesc_show(struct device *dev, struct device_attribute *attr, |
707 | char *buf) | |
dea3101e | 708 | { |
ee959b00 | 709 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
710 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
711 | struct lpfc_hba *phba = vport->phba; | |
712 | ||
e7f7b6f3 | 713 | return scnprintf(buf, PAGE_SIZE, "%s\n", phba->ModelDesc); |
dea3101e JB |
714 | } |
715 | ||
e59058c4 | 716 | /** |
3621a710 | 717 | * lpfc_modelname_show - Return the model name of the hba |
e59058c4 JS |
718 | * @dev: class converted to a Scsi_host structure. |
719 | * @attr: device attribute, not used. | |
720 | * @buf: on return contains the scsi vpd model name. | |
721 | * | |
722 | * Returns: size of formatted string. | |
723 | **/ | |
dea3101e | 724 | static ssize_t |
ee959b00 TJ |
725 | lpfc_modelname_show(struct device *dev, struct device_attribute *attr, |
726 | char *buf) | |
dea3101e | 727 | { |
ee959b00 | 728 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
729 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
730 | struct lpfc_hba *phba = vport->phba; | |
731 | ||
e7f7b6f3 | 732 | return scnprintf(buf, PAGE_SIZE, "%s\n", phba->ModelName); |
dea3101e JB |
733 | } |
734 | ||
e59058c4 | 735 | /** |
3621a710 | 736 | * lpfc_programtype_show - Return the program type of the hba |
e59058c4 JS |
737 | * @dev: class converted to a Scsi_host structure. |
738 | * @attr: device attribute, not used. | |
739 | * @buf: on return contains the scsi vpd program type. | |
740 | * | |
741 | * Returns: size of formatted string. | |
742 | **/ | |
dea3101e | 743 | static ssize_t |
ee959b00 TJ |
744 | lpfc_programtype_show(struct device *dev, struct device_attribute *attr, |
745 | char *buf) | |
dea3101e | 746 | { |
ee959b00 | 747 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
748 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
749 | struct lpfc_hba *phba = vport->phba; | |
750 | ||
e7f7b6f3 | 751 | return scnprintf(buf, PAGE_SIZE, "%s\n", phba->ProgramType); |
dea3101e JB |
752 | } |
753 | ||
84774a4d | 754 | /** |
3621a710 | 755 | * lpfc_mlomgmt_show - Return the Menlo Maintenance sli flag |
84774a4d JS |
756 | * @dev: class converted to a Scsi_host structure. |
757 | * @attr: device attribute, not used. | |
758 | * @buf: on return contains the Menlo Maintenance sli flag. | |
759 | * | |
760 | * Returns: size of formatted string. | |
761 | **/ | |
762 | static ssize_t | |
763 | lpfc_mlomgmt_show(struct device *dev, struct device_attribute *attr, char *buf) | |
764 | { | |
765 | struct Scsi_Host *shost = class_to_shost(dev); | |
766 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
767 | struct lpfc_hba *phba = vport->phba; | |
768 | ||
e7f7b6f3 | 769 | return scnprintf(buf, PAGE_SIZE, "%d\n", |
84774a4d JS |
770 | (phba->sli.sli_flag & LPFC_MENLO_MAINT)); |
771 | } | |
772 | ||
e59058c4 | 773 | /** |
3621a710 | 774 | * lpfc_vportnum_show - Return the port number in ascii of the hba |
e59058c4 JS |
775 | * @dev: class converted to a Scsi_host structure. |
776 | * @attr: device attribute, not used. | |
777 | * @buf: on return contains scsi vpd program type. | |
778 | * | |
779 | * Returns: size of formatted string. | |
780 | **/ | |
dea3101e | 781 | static ssize_t |
ee959b00 TJ |
782 | lpfc_vportnum_show(struct device *dev, struct device_attribute *attr, |
783 | char *buf) | |
dea3101e | 784 | { |
ee959b00 | 785 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
786 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
787 | struct lpfc_hba *phba = vport->phba; | |
788 | ||
e7f7b6f3 | 789 | return scnprintf(buf, PAGE_SIZE, "%s\n", phba->Port); |
dea3101e JB |
790 | } |
791 | ||
e59058c4 | 792 | /** |
3621a710 | 793 | * lpfc_fwrev_show - Return the firmware rev running in the hba |
e59058c4 JS |
794 | * @dev: class converted to a Scsi_host structure. |
795 | * @attr: device attribute, not used. | |
796 | * @buf: on return contains the scsi vpd program type. | |
797 | * | |
798 | * Returns: size of formatted string. | |
799 | **/ | |
dea3101e | 800 | static ssize_t |
ee959b00 TJ |
801 | lpfc_fwrev_show(struct device *dev, struct device_attribute *attr, |
802 | char *buf) | |
dea3101e | 803 | { |
ee959b00 | 804 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
805 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
806 | struct lpfc_hba *phba = vport->phba; | |
026abb87 JS |
807 | uint32_t if_type; |
808 | uint8_t sli_family; | |
6b5151fd | 809 | char fwrev[FW_REV_STR_SIZE]; |
026abb87 | 810 | int len; |
2e0fef85 | 811 | |
dea3101e | 812 | lpfc_decode_firmware_rev(phba, fwrev, 1); |
026abb87 JS |
813 | if_type = phba->sli4_hba.pc_sli4_params.if_type; |
814 | sli_family = phba->sli4_hba.pc_sli4_params.sli_family; | |
815 | ||
816 | if (phba->sli_rev < LPFC_SLI_REV4) | |
e7f7b6f3 | 817 | len = scnprintf(buf, PAGE_SIZE, "%s, sli-%d\n", |
026abb87 JS |
818 | fwrev, phba->sli_rev); |
819 | else | |
e7f7b6f3 | 820 | len = scnprintf(buf, PAGE_SIZE, "%s, sli-%d:%d:%x\n", |
026abb87 JS |
821 | fwrev, phba->sli_rev, if_type, sli_family); |
822 | ||
823 | return len; | |
dea3101e JB |
824 | } |
825 | ||
e59058c4 | 826 | /** |
3621a710 | 827 | * lpfc_hdw_show - Return the jedec information about the hba |
e59058c4 JS |
828 | * @dev: class converted to a Scsi_host structure. |
829 | * @attr: device attribute, not used. | |
830 | * @buf: on return contains the scsi vpd program type. | |
831 | * | |
832 | * Returns: size of formatted string. | |
833 | **/ | |
dea3101e | 834 | static ssize_t |
ee959b00 | 835 | lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf) |
dea3101e JB |
836 | { |
837 | char hdw[9]; | |
ee959b00 | 838 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
839 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
840 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 841 | lpfc_vpd_t *vp = &phba->vpd; |
2e0fef85 | 842 | |
dea3101e | 843 | lpfc_jedec_to_ascii(vp->rev.biuRev, hdw); |
e7f7b6f3 | 844 | return scnprintf(buf, PAGE_SIZE, "%s\n", hdw); |
dea3101e | 845 | } |
e59058c4 JS |
846 | |
847 | /** | |
3621a710 | 848 | * lpfc_option_rom_version_show - Return the adapter ROM FCode version |
e59058c4 JS |
849 | * @dev: class converted to a Scsi_host structure. |
850 | * @attr: device attribute, not used. | |
851 | * @buf: on return contains the ROM and FCode ascii strings. | |
852 | * | |
853 | * Returns: size of formatted string. | |
854 | **/ | |
dea3101e | 855 | static ssize_t |
ee959b00 TJ |
856 | lpfc_option_rom_version_show(struct device *dev, struct device_attribute *attr, |
857 | char *buf) | |
dea3101e | 858 | { |
ee959b00 | 859 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
860 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
861 | struct lpfc_hba *phba = vport->phba; | |
a0683bf6 JS |
862 | char fwrev[FW_REV_STR_SIZE]; |
863 | ||
864 | if (phba->sli_rev < LPFC_SLI_REV4) | |
e7f7b6f3 SC |
865 | return scnprintf(buf, PAGE_SIZE, "%s\n", |
866 | phba->OptionROMVersion); | |
2e0fef85 | 867 | |
a0683bf6 | 868 | lpfc_decode_firmware_rev(phba, fwrev, 1); |
e7f7b6f3 | 869 | return scnprintf(buf, PAGE_SIZE, "%s\n", fwrev); |
dea3101e | 870 | } |
e59058c4 JS |
871 | |
872 | /** | |
3621a710 | 873 | * lpfc_state_show - Return the link state of the port |
e59058c4 JS |
874 | * @dev: class converted to a Scsi_host structure. |
875 | * @attr: device attribute, not used. | |
876 | * @buf: on return contains text describing the state of the link. | |
877 | * | |
878 | * Notes: | |
879 | * The switch statement has no default so zero will be returned. | |
880 | * | |
881 | * Returns: size of formatted string. | |
882 | **/ | |
dea3101e | 883 | static ssize_t |
bbd1ae41 HR |
884 | lpfc_link_state_show(struct device *dev, struct device_attribute *attr, |
885 | char *buf) | |
dea3101e | 886 | { |
ee959b00 | 887 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
888 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
889 | struct lpfc_hba *phba = vport->phba; | |
890 | int len = 0; | |
891 | ||
892 | switch (phba->link_state) { | |
893 | case LPFC_LINK_UNKNOWN: | |
41415862 | 894 | case LPFC_WARM_START: |
dea3101e JB |
895 | case LPFC_INIT_START: |
896 | case LPFC_INIT_MBX_CMDS: | |
897 | case LPFC_LINK_DOWN: | |
2e0fef85 | 898 | case LPFC_HBA_ERROR: |
a0c87cbd | 899 | if (phba->hba_flag & LINK_DISABLED) |
e7f7b6f3 | 900 | len += scnprintf(buf + len, PAGE_SIZE-len, |
a0c87cbd JS |
901 | "Link Down - User disabled\n"); |
902 | else | |
e7f7b6f3 | 903 | len += scnprintf(buf + len, PAGE_SIZE-len, |
a0c87cbd | 904 | "Link Down\n"); |
dea3101e JB |
905 | break; |
906 | case LPFC_LINK_UP: | |
dea3101e | 907 | case LPFC_CLEAR_LA: |
dea3101e | 908 | case LPFC_HBA_READY: |
e7f7b6f3 | 909 | len += scnprintf(buf + len, PAGE_SIZE-len, "Link Up - "); |
2e0fef85 JS |
910 | |
911 | switch (vport->port_state) { | |
2e0fef85 | 912 | case LPFC_LOCAL_CFG_LINK: |
e7f7b6f3 | 913 | len += scnprintf(buf + len, PAGE_SIZE-len, |
92d7f7b0 | 914 | "Configuring Link\n"); |
2e0fef85 | 915 | break; |
92d7f7b0 | 916 | case LPFC_FDISC: |
2e0fef85 JS |
917 | case LPFC_FLOGI: |
918 | case LPFC_FABRIC_CFG_LINK: | |
919 | case LPFC_NS_REG: | |
920 | case LPFC_NS_QRY: | |
921 | case LPFC_BUILD_DISC_LIST: | |
922 | case LPFC_DISC_AUTH: | |
e7f7b6f3 | 923 | len += scnprintf(buf + len, PAGE_SIZE - len, |
2e0fef85 JS |
924 | "Discovery\n"); |
925 | break; | |
926 | case LPFC_VPORT_READY: | |
e7f7b6f3 SC |
927 | len += scnprintf(buf + len, PAGE_SIZE - len, |
928 | "Ready\n"); | |
2e0fef85 JS |
929 | break; |
930 | ||
92d7f7b0 | 931 | case LPFC_VPORT_FAILED: |
e7f7b6f3 SC |
932 | len += scnprintf(buf + len, PAGE_SIZE - len, |
933 | "Failed\n"); | |
92d7f7b0 JS |
934 | break; |
935 | ||
936 | case LPFC_VPORT_UNKNOWN: | |
e7f7b6f3 | 937 | len += scnprintf(buf + len, PAGE_SIZE - len, |
2e0fef85 JS |
938 | "Unknown\n"); |
939 | break; | |
940 | } | |
84774a4d | 941 | if (phba->sli.sli_flag & LPFC_MENLO_MAINT) |
e7f7b6f3 | 942 | len += scnprintf(buf + len, PAGE_SIZE-len, |
84774a4d | 943 | " Menlo Maint Mode\n"); |
76a95d75 | 944 | else if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
2e0fef85 | 945 | if (vport->fc_flag & FC_PUBLIC_LOOP) |
e7f7b6f3 | 946 | len += scnprintf(buf + len, PAGE_SIZE-len, |
dea3101e JB |
947 | " Public Loop\n"); |
948 | else | |
e7f7b6f3 | 949 | len += scnprintf(buf + len, PAGE_SIZE-len, |
dea3101e JB |
950 | " Private Loop\n"); |
951 | } else { | |
2e0fef85 | 952 | if (vport->fc_flag & FC_FABRIC) |
e7f7b6f3 | 953 | len += scnprintf(buf + len, PAGE_SIZE-len, |
dea3101e JB |
954 | " Fabric\n"); |
955 | else | |
e7f7b6f3 | 956 | len += scnprintf(buf + len, PAGE_SIZE-len, |
dea3101e JB |
957 | " Point-2-Point\n"); |
958 | } | |
959 | } | |
2e0fef85 | 960 | |
1dc5ec24 JS |
961 | if ((phba->sli_rev == LPFC_SLI_REV4) && |
962 | ((bf_get(lpfc_sli_intf_if_type, | |
963 | &phba->sli4_hba.sli_intf) == | |
964 | LPFC_SLI_INTF_IF_TYPE_6))) { | |
965 | struct lpfc_trunk_link link = phba->trunk_link; | |
966 | ||
967 | if (bf_get(lpfc_conf_trunk_port0, &phba->sli4_hba)) | |
e7f7b6f3 | 968 | len += scnprintf(buf + len, PAGE_SIZE - len, |
1dc5ec24 JS |
969 | "Trunk port 0: Link %s %s\n", |
970 | (link.link0.state == LPFC_LINK_UP) ? | |
971 | "Up" : "Down. ", | |
972 | trunk_errmsg[link.link0.fault]); | |
973 | ||
974 | if (bf_get(lpfc_conf_trunk_port1, &phba->sli4_hba)) | |
e7f7b6f3 | 975 | len += scnprintf(buf + len, PAGE_SIZE - len, |
1dc5ec24 JS |
976 | "Trunk port 1: Link %s %s\n", |
977 | (link.link1.state == LPFC_LINK_UP) ? | |
978 | "Up" : "Down. ", | |
979 | trunk_errmsg[link.link1.fault]); | |
980 | ||
981 | if (bf_get(lpfc_conf_trunk_port2, &phba->sli4_hba)) | |
e7f7b6f3 | 982 | len += scnprintf(buf + len, PAGE_SIZE - len, |
1dc5ec24 JS |
983 | "Trunk port 2: Link %s %s\n", |
984 | (link.link2.state == LPFC_LINK_UP) ? | |
985 | "Up" : "Down. ", | |
986 | trunk_errmsg[link.link2.fault]); | |
987 | ||
988 | if (bf_get(lpfc_conf_trunk_port3, &phba->sli4_hba)) | |
e7f7b6f3 | 989 | len += scnprintf(buf + len, PAGE_SIZE - len, |
1dc5ec24 JS |
990 | "Trunk port 3: Link %s %s\n", |
991 | (link.link3.state == LPFC_LINK_UP) ? | |
992 | "Up" : "Down. ", | |
993 | trunk_errmsg[link.link3.fault]); | |
994 | ||
995 | } | |
996 | ||
dea3101e JB |
997 | return len; |
998 | } | |
999 | ||
026abb87 JS |
1000 | /** |
1001 | * lpfc_sli4_protocol_show - Return the fip mode of the HBA | |
1002 | * @dev: class unused variable. | |
1003 | * @attr: device attribute, not used. | |
1004 | * @buf: on return contains the module description text. | |
1005 | * | |
1006 | * Returns: size of formatted string. | |
1007 | **/ | |
1008 | static ssize_t | |
1009 | lpfc_sli4_protocol_show(struct device *dev, struct device_attribute *attr, | |
1010 | char *buf) | |
1011 | { | |
1012 | struct Scsi_Host *shost = class_to_shost(dev); | |
1013 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
1014 | struct lpfc_hba *phba = vport->phba; | |
1015 | ||
1016 | if (phba->sli_rev < LPFC_SLI_REV4) | |
e7f7b6f3 | 1017 | return scnprintf(buf, PAGE_SIZE, "fc\n"); |
026abb87 JS |
1018 | |
1019 | if (phba->sli4_hba.lnk_info.lnk_dv == LPFC_LNK_DAT_VAL) { | |
1020 | if (phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_GE) | |
e7f7b6f3 | 1021 | return scnprintf(buf, PAGE_SIZE, "fcoe\n"); |
026abb87 | 1022 | if (phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_FC) |
e7f7b6f3 | 1023 | return scnprintf(buf, PAGE_SIZE, "fc\n"); |
026abb87 | 1024 | } |
e7f7b6f3 | 1025 | return scnprintf(buf, PAGE_SIZE, "unknown\n"); |
026abb87 JS |
1026 | } |
1027 | ||
1ba981fd JS |
1028 | /** |
1029 | * lpfc_oas_supported_show - Return whether or not Optimized Access Storage | |
1030 | * (OAS) is supported. | |
1031 | * @dev: class unused variable. | |
1032 | * @attr: device attribute, not used. | |
1033 | * @buf: on return contains the module description text. | |
1034 | * | |
1035 | * Returns: size of formatted string. | |
1036 | **/ | |
1037 | static ssize_t | |
1038 | lpfc_oas_supported_show(struct device *dev, struct device_attribute *attr, | |
1039 | char *buf) | |
1040 | { | |
1041 | struct Scsi_Host *shost = class_to_shost(dev); | |
1042 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
1043 | struct lpfc_hba *phba = vport->phba; | |
1044 | ||
e7f7b6f3 | 1045 | return scnprintf(buf, PAGE_SIZE, "%d\n", |
1ba981fd JS |
1046 | phba->sli4_hba.pc_sli4_params.oas_supported); |
1047 | } | |
1048 | ||
84d1b006 JS |
1049 | /** |
1050 | * lpfc_link_state_store - Transition the link_state on an HBA port | |
1051 | * @dev: class device that is converted into a Scsi_host. | |
1052 | * @attr: device attribute, not used. | |
1053 | * @buf: one or more lpfc_polling_flags values. | |
1054 | * @count: not used. | |
1055 | * | |
1056 | * Returns: | |
1057 | * -EINVAL if the buffer is not "up" or "down" | |
1058 | * return from link state change function if non-zero | |
1059 | * length of the buf on success | |
1060 | **/ | |
1061 | static ssize_t | |
1062 | lpfc_link_state_store(struct device *dev, struct device_attribute *attr, | |
1063 | const char *buf, size_t count) | |
1064 | { | |
1065 | struct Scsi_Host *shost = class_to_shost(dev); | |
1066 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
1067 | struct lpfc_hba *phba = vport->phba; | |
1068 | ||
1069 | int status = -EINVAL; | |
1070 | ||
1071 | if ((strncmp(buf, "up", sizeof("up") - 1) == 0) && | |
1072 | (phba->link_state == LPFC_LINK_DOWN)) | |
6e7288d9 | 1073 | status = phba->lpfc_hba_init_link(phba, MBX_NOWAIT); |
84d1b006 JS |
1074 | else if ((strncmp(buf, "down", sizeof("down") - 1) == 0) && |
1075 | (phba->link_state >= LPFC_LINK_UP)) | |
6e7288d9 | 1076 | status = phba->lpfc_hba_down_link(phba, MBX_NOWAIT); |
84d1b006 JS |
1077 | |
1078 | if (status == 0) | |
1079 | return strlen(buf); | |
1080 | else | |
1081 | return status; | |
1082 | } | |
1083 | ||
e59058c4 | 1084 | /** |
3621a710 | 1085 | * lpfc_num_discovered_ports_show - Return sum of mapped and unmapped vports |
e59058c4 JS |
1086 | * @dev: class device that is converted into a Scsi_host. |
1087 | * @attr: device attribute, not used. | |
1088 | * @buf: on return contains the sum of fc mapped and unmapped. | |
1089 | * | |
1090 | * Description: | |
1091 | * Returns the ascii text number of the sum of the fc mapped and unmapped | |
1092 | * vport counts. | |
1093 | * | |
1094 | * Returns: size of formatted string. | |
1095 | **/ | |
dea3101e | 1096 | static ssize_t |
ee959b00 TJ |
1097 | lpfc_num_discovered_ports_show(struct device *dev, |
1098 | struct device_attribute *attr, char *buf) | |
dea3101e | 1099 | { |
ee959b00 | 1100 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1101 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1102 | ||
e7f7b6f3 | 1103 | return scnprintf(buf, PAGE_SIZE, "%d\n", |
2e0fef85 | 1104 | vport->fc_map_cnt + vport->fc_unmap_cnt); |
dea3101e JB |
1105 | } |
1106 | ||
e59058c4 | 1107 | /** |
3621a710 | 1108 | * lpfc_issue_lip - Misnomer, name carried over from long ago |
e59058c4 JS |
1109 | * @shost: Scsi_Host pointer. |
1110 | * | |
1111 | * Description: | |
1112 | * Bring the link down gracefully then re-init the link. The firmware will | |
1113 | * re-init the fiber channel interface as required. Does not issue a LIP. | |
1114 | * | |
1115 | * Returns: | |
1116 | * -EPERM port offline or management commands are being blocked | |
1117 | * -ENOMEM cannot allocate memory for the mailbox command | |
1118 | * -EIO error sending the mailbox command | |
1119 | * zero for success | |
1120 | **/ | |
91ca7b01 | 1121 | static int |
2e0fef85 | 1122 | lpfc_issue_lip(struct Scsi_Host *shost) |
dea3101e | 1123 | { |
2e0fef85 JS |
1124 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1125 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
1126 | LPFC_MBOXQ_t *pmboxq; |
1127 | int mbxstatus = MBXERR_ERROR; | |
1128 | ||
2289e959 JS |
1129 | /* |
1130 | * If the link is offline, disabled or BLOCK_MGMT_IO | |
1131 | * it doesn't make any sense to allow issue_lip | |
1132 | */ | |
2e0fef85 | 1133 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
2289e959 | 1134 | (phba->hba_flag & LINK_DISABLED) || |
83108bd3 | 1135 | (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)) |
dea3101e JB |
1136 | return -EPERM; |
1137 | ||
1138 | pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); | |
1139 | ||
1140 | if (!pmboxq) | |
1141 | return -ENOMEM; | |
1142 | ||
1143 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
04c68496 JS |
1144 | pmboxq->u.mb.mbxCommand = MBX_DOWN_LINK; |
1145 | pmboxq->u.mb.mbxOwner = OWN_HOST; | |
4db621e0 | 1146 | |
33ccf8d1 | 1147 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2); |
dea3101e | 1148 | |
04c68496 JS |
1149 | if ((mbxstatus == MBX_SUCCESS) && |
1150 | (pmboxq->u.mb.mbxStatus == 0 || | |
1151 | pmboxq->u.mb.mbxStatus == MBXERR_LINK_DOWN)) { | |
4db621e0 JS |
1152 | memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
1153 | lpfc_init_link(phba, pmboxq, phba->cfg_topology, | |
1154 | phba->cfg_link_speed); | |
1155 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, | |
1156 | phba->fc_ratov * 2); | |
dcf2a4e0 JS |
1157 | if ((mbxstatus == MBX_SUCCESS) && |
1158 | (pmboxq->u.mb.mbxStatus == MBXERR_SEC_NO_PERMISSION)) | |
1159 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
1160 | "2859 SLI authentication is required " | |
1161 | "for INIT_LINK but has not done yet\n"); | |
4db621e0 JS |
1162 | } |
1163 | ||
5b8bd0c9 | 1164 | lpfc_set_loopback_flag(phba); |
858c9f6c | 1165 | if (mbxstatus != MBX_TIMEOUT) |
433c3579 | 1166 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e JB |
1167 | |
1168 | if (mbxstatus == MBXERR_ERROR) | |
1169 | return -EIO; | |
1170 | ||
91ca7b01 | 1171 | return 0; |
dea3101e JB |
1172 | } |
1173 | ||
895427bd JS |
1174 | int |
1175 | lpfc_emptyq_wait(struct lpfc_hba *phba, struct list_head *q, spinlock_t *lock) | |
1176 | { | |
1177 | int cnt = 0; | |
1178 | ||
1179 | spin_lock_irq(lock); | |
1180 | while (!list_empty(q)) { | |
1181 | spin_unlock_irq(lock); | |
1182 | msleep(20); | |
1183 | if (cnt++ > 250) { /* 5 secs */ | |
1184 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
1185 | "0466 %s %s\n", | |
1186 | "Outstanding IO when ", | |
1187 | "bringing Adapter offline\n"); | |
1188 | return 0; | |
1189 | } | |
1190 | spin_lock_irq(lock); | |
1191 | } | |
1192 | spin_unlock_irq(lock); | |
1193 | return 1; | |
1194 | } | |
1195 | ||
e59058c4 | 1196 | /** |
3621a710 | 1197 | * lpfc_do_offline - Issues a mailbox command to bring the link down |
e59058c4 JS |
1198 | * @phba: lpfc_hba pointer. |
1199 | * @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL. | |
1200 | * | |
1201 | * Notes: | |
1202 | * Assumes any error from lpfc_do_offline() will be negative. | |
1203 | * Can wait up to 5 seconds for the port ring buffers count | |
1204 | * to reach zero, prints a warning if it is not zero and continues. | |
3621a710 | 1205 | * lpfc_workq_post_event() returns a non-zero return code if call fails. |
e59058c4 JS |
1206 | * |
1207 | * Returns: | |
1208 | * -EIO error posting the event | |
1209 | * zero for success | |
1210 | **/ | |
40496f07 | 1211 | static int |
46fa311e | 1212 | lpfc_do_offline(struct lpfc_hba *phba, uint32_t type) |
40496f07 JS |
1213 | { |
1214 | struct completion online_compl; | |
895427bd | 1215 | struct lpfc_queue *qp = NULL; |
46fa311e JS |
1216 | struct lpfc_sli_ring *pring; |
1217 | struct lpfc_sli *psli; | |
40496f07 | 1218 | int status = 0; |
46fa311e | 1219 | int i; |
fedd3b7b | 1220 | int rc; |
40496f07 JS |
1221 | |
1222 | init_completion(&online_compl); | |
fedd3b7b | 1223 | rc = lpfc_workq_post_event(phba, &status, &online_compl, |
46fa311e | 1224 | LPFC_EVT_OFFLINE_PREP); |
fedd3b7b JS |
1225 | if (rc == 0) |
1226 | return -ENOMEM; | |
1227 | ||
46fa311e JS |
1228 | wait_for_completion(&online_compl); |
1229 | ||
1230 | if (status != 0) | |
1231 | return -EIO; | |
1232 | ||
1233 | psli = &phba->sli; | |
1234 | ||
4645f7b5 JS |
1235 | /* |
1236 | * If freeing the queues have already started, don't access them. | |
1237 | * Otherwise set FREE_WAIT to indicate that queues are being used | |
1238 | * to hold the freeing process until we finish. | |
1239 | */ | |
1240 | spin_lock_irq(&phba->hbalock); | |
1241 | if (!(psli->sli_flag & LPFC_QUEUE_FREE_INIT)) { | |
1242 | psli->sli_flag |= LPFC_QUEUE_FREE_WAIT; | |
1243 | } else { | |
1244 | spin_unlock_irq(&phba->hbalock); | |
1245 | goto skip_wait; | |
1246 | } | |
1247 | spin_unlock_irq(&phba->hbalock); | |
1248 | ||
09372820 JS |
1249 | /* Wait a little for things to settle down, but not |
1250 | * long enough for dev loss timeout to expire. | |
1251 | */ | |
895427bd JS |
1252 | if (phba->sli_rev != LPFC_SLI_REV4) { |
1253 | for (i = 0; i < psli->num_rings; i++) { | |
1254 | pring = &psli->sli3_ring[i]; | |
1255 | if (!lpfc_emptyq_wait(phba, &pring->txcmplq, | |
1256 | &phba->hbalock)) | |
1257 | goto out; | |
1258 | } | |
1259 | } else { | |
1260 | list_for_each_entry(qp, &phba->sli4_hba.lpfc_wq_list, wq_list) { | |
1261 | pring = qp->pring; | |
1262 | if (!pring) | |
1263 | continue; | |
1264 | if (!lpfc_emptyq_wait(phba, &pring->txcmplq, | |
1265 | &pring->ring_lock)) | |
1266 | goto out; | |
46fa311e JS |
1267 | } |
1268 | } | |
895427bd | 1269 | out: |
4645f7b5 JS |
1270 | spin_lock_irq(&phba->hbalock); |
1271 | psli->sli_flag &= ~LPFC_QUEUE_FREE_WAIT; | |
1272 | spin_unlock_irq(&phba->hbalock); | |
1273 | ||
1274 | skip_wait: | |
46fa311e | 1275 | init_completion(&online_compl); |
fedd3b7b JS |
1276 | rc = lpfc_workq_post_event(phba, &status, &online_compl, type); |
1277 | if (rc == 0) | |
1278 | return -ENOMEM; | |
1279 | ||
40496f07 JS |
1280 | wait_for_completion(&online_compl); |
1281 | ||
1282 | if (status != 0) | |
1283 | return -EIO; | |
1284 | ||
46fa311e JS |
1285 | return 0; |
1286 | } | |
1287 | ||
5021267a JS |
1288 | /** |
1289 | * lpfc_reset_pci_bus - resets PCI bridge controller's secondary bus of an HBA | |
1290 | * @phba: lpfc_hba pointer. | |
1291 | * | |
1292 | * Description: | |
1293 | * Issues a PCI secondary bus reset for the phba->pcidev. | |
1294 | * | |
1295 | * Notes: | |
1296 | * First walks the bus_list to ensure only PCI devices with Emulex | |
1297 | * vendor id, device ids that support hot reset, only one occurrence | |
1298 | * of function 0, and all ports on the bus are in offline mode to ensure the | |
1299 | * hot reset only affects one valid HBA. | |
1300 | * | |
1301 | * Returns: | |
1302 | * -ENOTSUPP, cfg_enable_hba_reset must be of value 2 | |
1303 | * -ENODEV, NULL ptr to pcidev | |
1304 | * -EBADSLT, detected invalid device | |
1305 | * -EBUSY, port is not in offline state | |
1306 | * 0, successful | |
1307 | */ | |
3999df75 | 1308 | static int |
5021267a JS |
1309 | lpfc_reset_pci_bus(struct lpfc_hba *phba) |
1310 | { | |
1311 | struct pci_dev *pdev = phba->pcidev; | |
1312 | struct Scsi_Host *shost = NULL; | |
1313 | struct lpfc_hba *phba_other = NULL; | |
1314 | struct pci_dev *ptr = NULL; | |
1315 | int res; | |
1316 | ||
1317 | if (phba->cfg_enable_hba_reset != 2) | |
1318 | return -ENOTSUPP; | |
1319 | ||
1320 | if (!pdev) { | |
1321 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "8345 pdev NULL!\n"); | |
1322 | return -ENODEV; | |
1323 | } | |
1324 | ||
1325 | res = lpfc_check_pci_resettable(phba); | |
1326 | if (res) | |
1327 | return res; | |
1328 | ||
1329 | /* Walk the list of devices on the pci_dev's bus */ | |
1330 | list_for_each_entry(ptr, &pdev->bus->devices, bus_list) { | |
1331 | /* Check port is offline */ | |
1332 | shost = pci_get_drvdata(ptr); | |
1333 | if (shost) { | |
1334 | phba_other = | |
1335 | ((struct lpfc_vport *)shost->hostdata)->phba; | |
1336 | if (!(phba_other->pport->fc_flag & FC_OFFLINE_MODE)) { | |
1337 | lpfc_printf_log(phba_other, KERN_INFO, LOG_INIT, | |
1338 | "8349 WWPN = 0x%02x%02x%02x%02x" | |
1339 | "%02x%02x%02x%02x is not " | |
1340 | "offline!\n", | |
1341 | phba_other->wwpn[0], | |
1342 | phba_other->wwpn[1], | |
1343 | phba_other->wwpn[2], | |
1344 | phba_other->wwpn[3], | |
1345 | phba_other->wwpn[4], | |
1346 | phba_other->wwpn[5], | |
1347 | phba_other->wwpn[6], | |
1348 | phba_other->wwpn[7]); | |
1349 | return -EBUSY; | |
1350 | } | |
1351 | } | |
1352 | } | |
1353 | ||
1354 | /* Issue PCI bus reset */ | |
1355 | res = pci_reset_bus(pdev); | |
1356 | if (res) { | |
1357 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1358 | "8350 PCI reset bus failed: %d\n", res); | |
1359 | } | |
1360 | ||
1361 | return res; | |
1362 | } | |
1363 | ||
e59058c4 | 1364 | /** |
3621a710 | 1365 | * lpfc_selective_reset - Offline then onlines the port |
e59058c4 JS |
1366 | * @phba: lpfc_hba pointer. |
1367 | * | |
1368 | * Description: | |
1369 | * If the port is configured to allow a reset then the hba is brought | |
1370 | * offline then online. | |
1371 | * | |
1372 | * Notes: | |
1373 | * Assumes any error from lpfc_do_offline() will be negative. | |
ab56dc2e | 1374 | * Do not make this function static. |
e59058c4 JS |
1375 | * |
1376 | * Returns: | |
1377 | * lpfc_do_offline() return code if not zero | |
1378 | * -EIO reset not configured or error posting the event | |
1379 | * zero for success | |
1380 | **/ | |
7f86059a | 1381 | int |
46fa311e JS |
1382 | lpfc_selective_reset(struct lpfc_hba *phba) |
1383 | { | |
1384 | struct completion online_compl; | |
1385 | int status = 0; | |
fedd3b7b | 1386 | int rc; |
46fa311e | 1387 | |
71157c9e | 1388 | if (!phba->cfg_enable_hba_reset) |
f7a919b4 | 1389 | return -EACCES; |
13815c83 | 1390 | |
71157c9e JS |
1391 | if (!(phba->pport->fc_flag & FC_OFFLINE_MODE)) { |
1392 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); | |
46fa311e | 1393 | |
71157c9e JS |
1394 | if (status != 0) |
1395 | return status; | |
1396 | } | |
46fa311e | 1397 | |
40496f07 | 1398 | init_completion(&online_compl); |
fedd3b7b | 1399 | rc = lpfc_workq_post_event(phba, &status, &online_compl, |
40496f07 | 1400 | LPFC_EVT_ONLINE); |
fedd3b7b JS |
1401 | if (rc == 0) |
1402 | return -ENOMEM; | |
1403 | ||
40496f07 JS |
1404 | wait_for_completion(&online_compl); |
1405 | ||
1406 | if (status != 0) | |
1407 | return -EIO; | |
1408 | ||
1409 | return 0; | |
1410 | } | |
1411 | ||
e59058c4 | 1412 | /** |
3621a710 | 1413 | * lpfc_issue_reset - Selectively resets an adapter |
e59058c4 JS |
1414 | * @dev: class device that is converted into a Scsi_host. |
1415 | * @attr: device attribute, not used. | |
1416 | * @buf: containing the string "selective". | |
1417 | * @count: unused variable. | |
1418 | * | |
1419 | * Description: | |
1420 | * If the buf contains the string "selective" then lpfc_selective_reset() | |
1421 | * is called to perform the reset. | |
1422 | * | |
1423 | * Notes: | |
1424 | * Assumes any error from lpfc_selective_reset() will be negative. | |
1425 | * If lpfc_selective_reset() returns zero then the length of the buffer | |
af901ca1 | 1426 | * is returned which indicates success |
e59058c4 JS |
1427 | * |
1428 | * Returns: | |
1429 | * -EINVAL if the buffer does not contain the string "selective" | |
1430 | * length of buf if lpfc-selective_reset() if the call succeeds | |
1431 | * return value of lpfc_selective_reset() if the call fails | |
1432 | **/ | |
40496f07 | 1433 | static ssize_t |
ee959b00 TJ |
1434 | lpfc_issue_reset(struct device *dev, struct device_attribute *attr, |
1435 | const char *buf, size_t count) | |
40496f07 | 1436 | { |
ee959b00 | 1437 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1438 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1439 | struct lpfc_hba *phba = vport->phba; | |
40496f07 JS |
1440 | int status = -EINVAL; |
1441 | ||
73d91e50 JS |
1442 | if (!phba->cfg_enable_hba_reset) |
1443 | return -EACCES; | |
1444 | ||
40496f07 | 1445 | if (strncmp(buf, "selective", sizeof("selective") - 1) == 0) |
7f86059a | 1446 | status = phba->lpfc_selective_reset(phba); |
40496f07 JS |
1447 | |
1448 | if (status == 0) | |
1449 | return strlen(buf); | |
1450 | else | |
1451 | return status; | |
1452 | } | |
1453 | ||
88a2cfbb JS |
1454 | /** |
1455 | * lpfc_sli4_pdev_status_reg_wait - Wait for pdev status register for readyness | |
1456 | * @phba: lpfc_hba pointer. | |
1457 | * | |
1458 | * Description: | |
1459 | * SLI4 interface type-2 device to wait on the sliport status register for | |
1460 | * the readyness after performing a firmware reset. | |
1461 | * | |
1462 | * Returns: | |
0b1587b1 | 1463 | * zero for success, -EPERM when port does not have privilege to perform the |
026abb87 JS |
1464 | * reset, -EIO when port timeout from recovering from the reset. |
1465 | * | |
1466 | * Note: | |
1467 | * As the caller will interpret the return code by value, be careful in making | |
1468 | * change or addition to return codes. | |
88a2cfbb | 1469 | **/ |
73d91e50 | 1470 | int |
88a2cfbb JS |
1471 | lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *phba) |
1472 | { | |
f7a919b4 | 1473 | struct lpfc_register portstat_reg = {0}; |
88a2cfbb JS |
1474 | int i; |
1475 | ||
f7a919b4 | 1476 | msleep(100); |
88a2cfbb JS |
1477 | lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, |
1478 | &portstat_reg.word0); | |
1479 | ||
0b1587b1 | 1480 | /* verify if privileged for the request operation */ |
f7a919b4 JS |
1481 | if (!bf_get(lpfc_sliport_status_rn, &portstat_reg) && |
1482 | !bf_get(lpfc_sliport_status_err, &portstat_reg)) | |
1483 | return -EPERM; | |
1484 | ||
88a2cfbb JS |
1485 | /* wait for the SLI port firmware ready after firmware reset */ |
1486 | for (i = 0; i < LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT; i++) { | |
1487 | msleep(10); | |
1488 | lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, | |
1489 | &portstat_reg.word0); | |
1490 | if (!bf_get(lpfc_sliport_status_err, &portstat_reg)) | |
1491 | continue; | |
1492 | if (!bf_get(lpfc_sliport_status_rn, &portstat_reg)) | |
1493 | continue; | |
1494 | if (!bf_get(lpfc_sliport_status_rdy, &portstat_reg)) | |
1495 | continue; | |
1496 | break; | |
1497 | } | |
1498 | ||
1499 | if (i < LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT) | |
1500 | return 0; | |
1501 | else | |
1502 | return -EIO; | |
1503 | } | |
1504 | ||
c0c11512 | 1505 | /** |
52d52440 | 1506 | * lpfc_sli4_pdev_reg_request - Request physical dev to perform a register acc |
c0c11512 JS |
1507 | * @phba: lpfc_hba pointer. |
1508 | * | |
1509 | * Description: | |
52d52440 JS |
1510 | * Request SLI4 interface type-2 device to perform a physical register set |
1511 | * access. | |
c0c11512 JS |
1512 | * |
1513 | * Returns: | |
1514 | * zero for success | |
1515 | **/ | |
1516 | static ssize_t | |
52d52440 | 1517 | lpfc_sli4_pdev_reg_request(struct lpfc_hba *phba, uint32_t opcode) |
c0c11512 JS |
1518 | { |
1519 | struct completion online_compl; | |
b76f2dc9 | 1520 | struct pci_dev *pdev = phba->pcidev; |
026abb87 JS |
1521 | uint32_t before_fc_flag; |
1522 | uint32_t sriov_nr_virtfn; | |
c0c11512 | 1523 | uint32_t reg_val; |
026abb87 JS |
1524 | int status = 0, rc = 0; |
1525 | int job_posted = 1, sriov_err; | |
c0c11512 JS |
1526 | |
1527 | if (!phba->cfg_enable_hba_reset) | |
f7a919b4 | 1528 | return -EACCES; |
c0c11512 | 1529 | |
52d52440 | 1530 | if ((phba->sli_rev < LPFC_SLI_REV4) || |
719162bd | 1531 | (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) < |
52d52440 JS |
1532 | LPFC_SLI_INTF_IF_TYPE_2)) |
1533 | return -EPERM; | |
1534 | ||
026abb87 JS |
1535 | /* Keep state if we need to restore back */ |
1536 | before_fc_flag = phba->pport->fc_flag; | |
1537 | sriov_nr_virtfn = phba->cfg_sriov_nr_virtfn; | |
1538 | ||
b76f2dc9 JS |
1539 | /* Disable SR-IOV virtual functions if enabled */ |
1540 | if (phba->cfg_sriov_nr_virtfn) { | |
1541 | pci_disable_sriov(pdev); | |
1542 | phba->cfg_sriov_nr_virtfn = 0; | |
1543 | } | |
229adb0e | 1544 | |
0293635e JS |
1545 | if (opcode == LPFC_FW_DUMP) |
1546 | phba->hba_flag |= HBA_FW_DUMP_OP; | |
1547 | ||
c0c11512 JS |
1548 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
1549 | ||
0293635e JS |
1550 | if (status != 0) { |
1551 | phba->hba_flag &= ~HBA_FW_DUMP_OP; | |
c0c11512 | 1552 | return status; |
0293635e | 1553 | } |
c0c11512 JS |
1554 | |
1555 | /* wait for the device to be quiesced before firmware reset */ | |
1556 | msleep(100); | |
1557 | ||
1558 | reg_val = readl(phba->sli4_hba.conf_regs_memmap_p + | |
1559 | LPFC_CTL_PDEV_CTL_OFFSET); | |
52d52440 JS |
1560 | |
1561 | if (opcode == LPFC_FW_DUMP) | |
1562 | reg_val |= LPFC_FW_DUMP_REQUEST; | |
1563 | else if (opcode == LPFC_FW_RESET) | |
1564 | reg_val |= LPFC_CTL_PDEV_CTL_FRST; | |
1565 | else if (opcode == LPFC_DV_RESET) | |
1566 | reg_val |= LPFC_CTL_PDEV_CTL_DRST; | |
1567 | ||
c0c11512 JS |
1568 | writel(reg_val, phba->sli4_hba.conf_regs_memmap_p + |
1569 | LPFC_CTL_PDEV_CTL_OFFSET); | |
1570 | /* flush */ | |
1571 | readl(phba->sli4_hba.conf_regs_memmap_p + LPFC_CTL_PDEV_CTL_OFFSET); | |
1572 | ||
1573 | /* delay driver action following IF_TYPE_2 reset */ | |
88a2cfbb JS |
1574 | rc = lpfc_sli4_pdev_status_reg_wait(phba); |
1575 | ||
026abb87 | 1576 | if (rc == -EPERM) { |
0b1587b1 | 1577 | /* no privilege for reset */ |
6b5151fd | 1578 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
0b1587b1 | 1579 | "3150 No privilege to perform the requested " |
6b5151fd | 1580 | "access: x%x\n", reg_val); |
026abb87 JS |
1581 | } else if (rc == -EIO) { |
1582 | /* reset failed, there is nothing more we can do */ | |
6b5151fd JS |
1583 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
1584 | "3153 Fail to perform the requested " | |
1585 | "access: x%x\n", reg_val); | |
f7a919b4 | 1586 | return rc; |
026abb87 JS |
1587 | } |
1588 | ||
1589 | /* keep the original port state */ | |
1590 | if (before_fc_flag & FC_OFFLINE_MODE) | |
1591 | goto out; | |
c0c11512 JS |
1592 | |
1593 | init_completion(&online_compl); | |
026abb87 JS |
1594 | job_posted = lpfc_workq_post_event(phba, &status, &online_compl, |
1595 | LPFC_EVT_ONLINE); | |
1596 | if (!job_posted) | |
1597 | goto out; | |
c0c11512 JS |
1598 | |
1599 | wait_for_completion(&online_compl); | |
1600 | ||
026abb87 JS |
1601 | out: |
1602 | /* in any case, restore the virtual functions enabled as before */ | |
1603 | if (sriov_nr_virtfn) { | |
1604 | sriov_err = | |
1605 | lpfc_sli_probe_sriov_nr_virtfn(phba, sriov_nr_virtfn); | |
1606 | if (!sriov_err) | |
1607 | phba->cfg_sriov_nr_virtfn = sriov_nr_virtfn; | |
1608 | } | |
c0c11512 | 1609 | |
026abb87 JS |
1610 | /* return proper error code */ |
1611 | if (!rc) { | |
1612 | if (!job_posted) | |
1613 | rc = -ENOMEM; | |
1614 | else if (status) | |
1615 | rc = -EIO; | |
1616 | } | |
1617 | return rc; | |
c0c11512 JS |
1618 | } |
1619 | ||
e59058c4 | 1620 | /** |
3621a710 | 1621 | * lpfc_nport_evt_cnt_show - Return the number of nport events |
e59058c4 JS |
1622 | * @dev: class device that is converted into a Scsi_host. |
1623 | * @attr: device attribute, not used. | |
1624 | * @buf: on return contains the ascii number of nport events. | |
1625 | * | |
1626 | * Returns: size of formatted string. | |
1627 | **/ | |
dea3101e | 1628 | static ssize_t |
ee959b00 TJ |
1629 | lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr, |
1630 | char *buf) | |
dea3101e | 1631 | { |
ee959b00 | 1632 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1633 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1634 | struct lpfc_hba *phba = vport->phba; | |
1635 | ||
e7f7b6f3 | 1636 | return scnprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt); |
dea3101e JB |
1637 | } |
1638 | ||
3999df75 | 1639 | static int |
1dc5ec24 JS |
1640 | lpfc_set_trunking(struct lpfc_hba *phba, char *buff_out) |
1641 | { | |
1642 | LPFC_MBOXQ_t *mbox = NULL; | |
1643 | unsigned long val = 0; | |
1644 | char *pval = 0; | |
1645 | int rc = 0; | |
1646 | ||
1647 | if (!strncmp("enable", buff_out, | |
1648 | strlen("enable"))) { | |
1649 | pval = buff_out + strlen("enable") + 1; | |
1650 | rc = kstrtoul(pval, 0, &val); | |
1651 | if (rc) | |
1652 | return rc; /* Invalid number */ | |
1653 | } else if (!strncmp("disable", buff_out, | |
1654 | strlen("disable"))) { | |
1655 | val = 0; | |
1656 | } else { | |
1657 | return -EINVAL; /* Invalid command */ | |
1658 | } | |
1659 | ||
1660 | switch (val) { | |
1661 | case 0: | |
1662 | val = 0x0; /* Disable */ | |
1663 | break; | |
1664 | case 2: | |
1665 | val = 0x1; /* Enable two port trunk */ | |
1666 | break; | |
1667 | case 4: | |
1668 | val = 0x2; /* Enable four port trunk */ | |
1669 | break; | |
1670 | default: | |
1671 | return -EINVAL; | |
1672 | } | |
1673 | ||
1674 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
1675 | "0070 Set trunk mode with val %ld ", val); | |
1676 | ||
1677 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
1678 | if (!mbox) | |
1679 | return -ENOMEM; | |
1680 | ||
1681 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
1682 | LPFC_MBOX_OPCODE_FCOE_FC_SET_TRUNK_MODE, | |
1683 | 12, LPFC_SLI4_MBX_EMBED); | |
1684 | ||
1685 | bf_set(lpfc_mbx_set_trunk_mode, | |
1686 | &mbox->u.mqe.un.set_trunk_mode, | |
1687 | val); | |
1688 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
1689 | if (rc) | |
1690 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
1691 | "0071 Set trunk mode failed with status: %d", | |
1692 | rc); | |
1693 | if (rc != MBX_TIMEOUT) | |
1694 | mempool_free(mbox, phba->mbox_mem_pool); | |
1695 | ||
1696 | return 0; | |
1697 | } | |
1698 | ||
e59058c4 | 1699 | /** |
3621a710 | 1700 | * lpfc_board_mode_show - Return the state of the board |
e59058c4 JS |
1701 | * @dev: class device that is converted into a Scsi_host. |
1702 | * @attr: device attribute, not used. | |
1703 | * @buf: on return contains the state of the adapter. | |
1704 | * | |
1705 | * Returns: size of formatted string. | |
1706 | **/ | |
41415862 | 1707 | static ssize_t |
ee959b00 TJ |
1708 | lpfc_board_mode_show(struct device *dev, struct device_attribute *attr, |
1709 | char *buf) | |
41415862 | 1710 | { |
ee959b00 | 1711 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1712 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1713 | struct lpfc_hba *phba = vport->phba; | |
41415862 JW |
1714 | char * state; |
1715 | ||
2e0fef85 | 1716 | if (phba->link_state == LPFC_HBA_ERROR) |
41415862 | 1717 | state = "error"; |
2e0fef85 | 1718 | else if (phba->link_state == LPFC_WARM_START) |
41415862 | 1719 | state = "warm start"; |
2e0fef85 | 1720 | else if (phba->link_state == LPFC_INIT_START) |
41415862 JW |
1721 | state = "offline"; |
1722 | else | |
1723 | state = "online"; | |
1724 | ||
e7f7b6f3 | 1725 | return scnprintf(buf, PAGE_SIZE, "%s\n", state); |
41415862 JW |
1726 | } |
1727 | ||
e59058c4 | 1728 | /** |
3621a710 | 1729 | * lpfc_board_mode_store - Puts the hba in online, offline, warm or error state |
e59058c4 JS |
1730 | * @dev: class device that is converted into a Scsi_host. |
1731 | * @attr: device attribute, not used. | |
1732 | * @buf: containing one of the strings "online", "offline", "warm" or "error". | |
1733 | * @count: unused variable. | |
1734 | * | |
1735 | * Returns: | |
1736 | * -EACCES if enable hba reset not enabled | |
1737 | * -EINVAL if the buffer does not contain a valid string (see above) | |
1738 | * -EIO if lpfc_workq_post_event() or lpfc_do_offline() fails | |
1739 | * buf length greater than zero indicates success | |
1740 | **/ | |
41415862 | 1741 | static ssize_t |
ee959b00 TJ |
1742 | lpfc_board_mode_store(struct device *dev, struct device_attribute *attr, |
1743 | const char *buf, size_t count) | |
41415862 | 1744 | { |
ee959b00 | 1745 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
1746 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1747 | struct lpfc_hba *phba = vport->phba; | |
41415862 | 1748 | struct completion online_compl; |
026abb87 JS |
1749 | char *board_mode_str = NULL; |
1750 | int status = 0; | |
fedd3b7b | 1751 | int rc; |
41415862 | 1752 | |
026abb87 JS |
1753 | if (!phba->cfg_enable_hba_reset) { |
1754 | status = -EACCES; | |
1755 | goto board_mode_out; | |
1756 | } | |
88a2cfbb JS |
1757 | |
1758 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
026abb87 | 1759 | "3050 lpfc_board_mode set to %s\n", buf); |
88a2cfbb | 1760 | |
41415862 JW |
1761 | init_completion(&online_compl); |
1762 | ||
46fa311e | 1763 | if(strncmp(buf, "online", sizeof("online") - 1) == 0) { |
fedd3b7b | 1764 | rc = lpfc_workq_post_event(phba, &status, &online_compl, |
41415862 | 1765 | LPFC_EVT_ONLINE); |
026abb87 JS |
1766 | if (rc == 0) { |
1767 | status = -ENOMEM; | |
1768 | goto board_mode_out; | |
1769 | } | |
46fa311e | 1770 | wait_for_completion(&online_compl); |
522dceeb JS |
1771 | if (status) |
1772 | status = -EIO; | |
46fa311e JS |
1773 | } else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0) |
1774 | status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); | |
41415862 | 1775 | else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0) |
6a9c52cf | 1776 | if (phba->sli_rev == LPFC_SLI_REV4) |
026abb87 | 1777 | status = -EINVAL; |
6a9c52cf JS |
1778 | else |
1779 | status = lpfc_do_offline(phba, LPFC_EVT_WARM_START); | |
46fa311e | 1780 | else if (strncmp(buf, "error", sizeof("error") - 1) == 0) |
6a9c52cf | 1781 | if (phba->sli_rev == LPFC_SLI_REV4) |
026abb87 | 1782 | status = -EINVAL; |
6a9c52cf JS |
1783 | else |
1784 | status = lpfc_do_offline(phba, LPFC_EVT_KILL); | |
c0c11512 | 1785 | else if (strncmp(buf, "dump", sizeof("dump") - 1) == 0) |
52d52440 JS |
1786 | status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_DUMP); |
1787 | else if (strncmp(buf, "fw_reset", sizeof("fw_reset") - 1) == 0) | |
1788 | status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_RESET); | |
1789 | else if (strncmp(buf, "dv_reset", sizeof("dv_reset") - 1) == 0) | |
1790 | status = lpfc_sli4_pdev_reg_request(phba, LPFC_DV_RESET); | |
5021267a JS |
1791 | else if (strncmp(buf, "pci_bus_reset", sizeof("pci_bus_reset") - 1) |
1792 | == 0) | |
1793 | status = lpfc_reset_pci_bus(phba); | |
1dc5ec24 JS |
1794 | else if (strncmp(buf, "trunk", sizeof("trunk") - 1) == 0) |
1795 | status = lpfc_set_trunking(phba, (char *)buf + sizeof("trunk")); | |
41415862 | 1796 | else |
026abb87 | 1797 | status = -EINVAL; |
41415862 | 1798 | |
026abb87 | 1799 | board_mode_out: |
41415862 JW |
1800 | if (!status) |
1801 | return strlen(buf); | |
026abb87 JS |
1802 | else { |
1803 | board_mode_str = strchr(buf, '\n'); | |
1804 | if (board_mode_str) | |
1805 | *board_mode_str = '\0'; | |
1806 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
1807 | "3097 Failed \"%s\", status(%d), " | |
1808 | "fc_flag(x%x)\n", | |
1809 | buf, status, phba->pport->fc_flag); | |
f7a919b4 | 1810 | return status; |
026abb87 | 1811 | } |
41415862 JW |
1812 | } |
1813 | ||
e59058c4 | 1814 | /** |
3621a710 | 1815 | * lpfc_get_hba_info - Return various bits of informaton about the adapter |
e59058c4 | 1816 | * @phba: pointer to the adapter structure. |
3621a710 JS |
1817 | * @mxri: max xri count. |
1818 | * @axri: available xri count. | |
1819 | * @mrpi: max rpi count. | |
1820 | * @arpi: available rpi count. | |
1821 | * @mvpi: max vpi count. | |
1822 | * @avpi: available vpi count. | |
e59058c4 JS |
1823 | * |
1824 | * Description: | |
1825 | * If an integer pointer for an count is not null then the value for the | |
1826 | * count is returned. | |
1827 | * | |
1828 | * Returns: | |
1829 | * zero on error | |
1830 | * one for success | |
1831 | **/ | |
311464ec | 1832 | static int |
858c9f6c JS |
1833 | lpfc_get_hba_info(struct lpfc_hba *phba, |
1834 | uint32_t *mxri, uint32_t *axri, | |
1835 | uint32_t *mrpi, uint32_t *arpi, | |
1836 | uint32_t *mvpi, uint32_t *avpi) | |
92d7f7b0 | 1837 | { |
04c68496 | 1838 | struct lpfc_mbx_read_config *rd_config; |
92d7f7b0 JS |
1839 | LPFC_MBOXQ_t *pmboxq; |
1840 | MAILBOX_t *pmb; | |
1841 | int rc = 0; | |
15672319 | 1842 | uint32_t max_vpi; |
92d7f7b0 JS |
1843 | |
1844 | /* | |
1845 | * prevent udev from issuing mailbox commands until the port is | |
1846 | * configured. | |
1847 | */ | |
1848 | if (phba->link_state < LPFC_LINK_DOWN || | |
1849 | !phba->mbox_mem_pool || | |
f4b4c68f | 1850 | (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0) |
92d7f7b0 JS |
1851 | return 0; |
1852 | ||
1853 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) | |
1854 | return 0; | |
1855 | ||
1856 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
1857 | if (!pmboxq) | |
1858 | return 0; | |
1859 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
1860 | ||
04c68496 | 1861 | pmb = &pmboxq->u.mb; |
92d7f7b0 JS |
1862 | pmb->mbxCommand = MBX_READ_CONFIG; |
1863 | pmb->mbxOwner = OWN_HOST; | |
3e1f0718 | 1864 | pmboxq->ctx_buf = NULL; |
92d7f7b0 | 1865 | |
75baf696 | 1866 | if (phba->pport->fc_flag & FC_OFFLINE_MODE) |
92d7f7b0 JS |
1867 | rc = MBX_NOT_FINISHED; |
1868 | else | |
1869 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
1870 | ||
1871 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 1872 | if (rc != MBX_TIMEOUT) |
92d7f7b0 JS |
1873 | mempool_free(pmboxq, phba->mbox_mem_pool); |
1874 | return 0; | |
1875 | } | |
1876 | ||
da0436e9 JS |
1877 | if (phba->sli_rev == LPFC_SLI_REV4) { |
1878 | rd_config = &pmboxq->u.mqe.un.rd_config; | |
1879 | if (mrpi) | |
1880 | *mrpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config); | |
1881 | if (arpi) | |
1882 | *arpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config) - | |
1883 | phba->sli4_hba.max_cfg_param.rpi_used; | |
1884 | if (mxri) | |
1885 | *mxri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config); | |
1886 | if (axri) | |
1887 | *axri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config) - | |
1888 | phba->sli4_hba.max_cfg_param.xri_used; | |
15672319 JS |
1889 | |
1890 | /* Account for differences with SLI-3. Get vpi count from | |
1891 | * mailbox data and subtract one for max vpi value. | |
1892 | */ | |
1893 | max_vpi = (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) > 0) ? | |
1894 | (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) - 1) : 0; | |
1895 | ||
8b47ae69 JS |
1896 | /* Limit the max we support */ |
1897 | if (max_vpi > LPFC_MAX_VPI) | |
1898 | max_vpi = LPFC_MAX_VPI; | |
da0436e9 | 1899 | if (mvpi) |
15672319 | 1900 | *mvpi = max_vpi; |
da0436e9 | 1901 | if (avpi) |
15672319 | 1902 | *avpi = max_vpi - phba->sli4_hba.max_cfg_param.vpi_used; |
da0436e9 JS |
1903 | } else { |
1904 | if (mrpi) | |
1905 | *mrpi = pmb->un.varRdConfig.max_rpi; | |
1906 | if (arpi) | |
1907 | *arpi = pmb->un.varRdConfig.avail_rpi; | |
1908 | if (mxri) | |
1909 | *mxri = pmb->un.varRdConfig.max_xri; | |
1910 | if (axri) | |
1911 | *axri = pmb->un.varRdConfig.avail_xri; | |
1912 | if (mvpi) | |
1913 | *mvpi = pmb->un.varRdConfig.max_vpi; | |
8b47ae69 JS |
1914 | if (avpi) { |
1915 | /* avail_vpi is only valid if link is up and ready */ | |
1916 | if (phba->link_state == LPFC_HBA_READY) | |
1917 | *avpi = pmb->un.varRdConfig.avail_vpi; | |
1918 | else | |
1919 | *avpi = pmb->un.varRdConfig.max_vpi; | |
1920 | } | |
da0436e9 | 1921 | } |
92d7f7b0 JS |
1922 | |
1923 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
1924 | return 1; | |
1925 | } | |
1926 | ||
e59058c4 | 1927 | /** |
3621a710 | 1928 | * lpfc_max_rpi_show - Return maximum rpi |
e59058c4 JS |
1929 | * @dev: class device that is converted into a Scsi_host. |
1930 | * @attr: device attribute, not used. | |
1931 | * @buf: on return contains the maximum rpi count in decimal or "Unknown". | |
1932 | * | |
1933 | * Description: | |
1934 | * Calls lpfc_get_hba_info() asking for just the mrpi count. | |
1935 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1936 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1937 | * must check for "Unknown" in the buffer to detect a failure. | |
1938 | * | |
1939 | * Returns: size of formatted string. | |
1940 | **/ | |
92d7f7b0 | 1941 | static ssize_t |
ee959b00 TJ |
1942 | lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr, |
1943 | char *buf) | |
92d7f7b0 | 1944 | { |
ee959b00 | 1945 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1946 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1947 | struct lpfc_hba *phba = vport->phba; | |
1948 | uint32_t cnt; | |
1949 | ||
858c9f6c | 1950 | if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, NULL, NULL, NULL)) |
e7f7b6f3 SC |
1951 | return scnprintf(buf, PAGE_SIZE, "%d\n", cnt); |
1952 | return scnprintf(buf, PAGE_SIZE, "Unknown\n"); | |
92d7f7b0 JS |
1953 | } |
1954 | ||
e59058c4 | 1955 | /** |
3621a710 | 1956 | * lpfc_used_rpi_show - Return maximum rpi minus available rpi |
e59058c4 JS |
1957 | * @dev: class device that is converted into a Scsi_host. |
1958 | * @attr: device attribute, not used. | |
1959 | * @buf: containing the used rpi count in decimal or "Unknown". | |
1960 | * | |
1961 | * Description: | |
1962 | * Calls lpfc_get_hba_info() asking for just the mrpi and arpi counts. | |
1963 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1964 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1965 | * must check for "Unknown" in the buffer to detect a failure. | |
1966 | * | |
1967 | * Returns: size of formatted string. | |
1968 | **/ | |
92d7f7b0 | 1969 | static ssize_t |
ee959b00 TJ |
1970 | lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr, |
1971 | char *buf) | |
92d7f7b0 | 1972 | { |
ee959b00 | 1973 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
1974 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
1975 | struct lpfc_hba *phba = vport->phba; | |
1976 | uint32_t cnt, acnt; | |
1977 | ||
858c9f6c | 1978 | if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, &acnt, NULL, NULL)) |
e7f7b6f3 SC |
1979 | return scnprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); |
1980 | return scnprintf(buf, PAGE_SIZE, "Unknown\n"); | |
92d7f7b0 JS |
1981 | } |
1982 | ||
e59058c4 | 1983 | /** |
3621a710 | 1984 | * lpfc_max_xri_show - Return maximum xri |
e59058c4 JS |
1985 | * @dev: class device that is converted into a Scsi_host. |
1986 | * @attr: device attribute, not used. | |
1987 | * @buf: on return contains the maximum xri count in decimal or "Unknown". | |
1988 | * | |
1989 | * Description: | |
1990 | * Calls lpfc_get_hba_info() asking for just the mrpi count. | |
1991 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
1992 | * to "Unknown" and the buffer length is returned, therefore the caller | |
1993 | * must check for "Unknown" in the buffer to detect a failure. | |
1994 | * | |
1995 | * Returns: size of formatted string. | |
1996 | **/ | |
92d7f7b0 | 1997 | static ssize_t |
ee959b00 TJ |
1998 | lpfc_max_xri_show(struct device *dev, struct device_attribute *attr, |
1999 | char *buf) | |
92d7f7b0 | 2000 | { |
ee959b00 | 2001 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
2002 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
2003 | struct lpfc_hba *phba = vport->phba; | |
2004 | uint32_t cnt; | |
2005 | ||
858c9f6c | 2006 | if (lpfc_get_hba_info(phba, &cnt, NULL, NULL, NULL, NULL, NULL)) |
e7f7b6f3 SC |
2007 | return scnprintf(buf, PAGE_SIZE, "%d\n", cnt); |
2008 | return scnprintf(buf, PAGE_SIZE, "Unknown\n"); | |
92d7f7b0 JS |
2009 | } |
2010 | ||
e59058c4 | 2011 | /** |
3621a710 | 2012 | * lpfc_used_xri_show - Return maximum xpi minus the available xpi |
e59058c4 JS |
2013 | * @dev: class device that is converted into a Scsi_host. |
2014 | * @attr: device attribute, not used. | |
2015 | * @buf: on return contains the used xri count in decimal or "Unknown". | |
2016 | * | |
2017 | * Description: | |
2018 | * Calls lpfc_get_hba_info() asking for just the mxri and axri counts. | |
2019 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
2020 | * to "Unknown" and the buffer length is returned, therefore the caller | |
2021 | * must check for "Unknown" in the buffer to detect a failure. | |
2022 | * | |
2023 | * Returns: size of formatted string. | |
2024 | **/ | |
92d7f7b0 | 2025 | static ssize_t |
ee959b00 TJ |
2026 | lpfc_used_xri_show(struct device *dev, struct device_attribute *attr, |
2027 | char *buf) | |
92d7f7b0 | 2028 | { |
ee959b00 | 2029 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
2030 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
2031 | struct lpfc_hba *phba = vport->phba; | |
2032 | uint32_t cnt, acnt; | |
2033 | ||
858c9f6c | 2034 | if (lpfc_get_hba_info(phba, &cnt, &acnt, NULL, NULL, NULL, NULL)) |
e7f7b6f3 SC |
2035 | return scnprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); |
2036 | return scnprintf(buf, PAGE_SIZE, "Unknown\n"); | |
858c9f6c JS |
2037 | } |
2038 | ||
e59058c4 | 2039 | /** |
3621a710 | 2040 | * lpfc_max_vpi_show - Return maximum vpi |
e59058c4 JS |
2041 | * @dev: class device that is converted into a Scsi_host. |
2042 | * @attr: device attribute, not used. | |
2043 | * @buf: on return contains the maximum vpi count in decimal or "Unknown". | |
2044 | * | |
2045 | * Description: | |
2046 | * Calls lpfc_get_hba_info() asking for just the mvpi count. | |
2047 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
2048 | * to "Unknown" and the buffer length is returned, therefore the caller | |
2049 | * must check for "Unknown" in the buffer to detect a failure. | |
2050 | * | |
2051 | * Returns: size of formatted string. | |
2052 | **/ | |
858c9f6c | 2053 | static ssize_t |
ee959b00 TJ |
2054 | lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr, |
2055 | char *buf) | |
858c9f6c | 2056 | { |
ee959b00 | 2057 | struct Scsi_Host *shost = class_to_shost(dev); |
858c9f6c JS |
2058 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
2059 | struct lpfc_hba *phba = vport->phba; | |
2060 | uint32_t cnt; | |
2061 | ||
2062 | if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, NULL)) | |
e7f7b6f3 SC |
2063 | return scnprintf(buf, PAGE_SIZE, "%d\n", cnt); |
2064 | return scnprintf(buf, PAGE_SIZE, "Unknown\n"); | |
858c9f6c JS |
2065 | } |
2066 | ||
e59058c4 | 2067 | /** |
3621a710 | 2068 | * lpfc_used_vpi_show - Return maximum vpi minus the available vpi |
e59058c4 JS |
2069 | * @dev: class device that is converted into a Scsi_host. |
2070 | * @attr: device attribute, not used. | |
2071 | * @buf: on return contains the used vpi count in decimal or "Unknown". | |
2072 | * | |
2073 | * Description: | |
2074 | * Calls lpfc_get_hba_info() asking for just the mvpi and avpi counts. | |
2075 | * If lpfc_get_hba_info() returns zero (failure) the buffer text is set | |
2076 | * to "Unknown" and the buffer length is returned, therefore the caller | |
2077 | * must check for "Unknown" in the buffer to detect a failure. | |
2078 | * | |
2079 | * Returns: size of formatted string. | |
2080 | **/ | |
858c9f6c | 2081 | static ssize_t |
ee959b00 TJ |
2082 | lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr, |
2083 | char *buf) | |
858c9f6c | 2084 | { |
ee959b00 | 2085 | struct Scsi_Host *shost = class_to_shost(dev); |
858c9f6c JS |
2086 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
2087 | struct lpfc_hba *phba = vport->phba; | |
2088 | uint32_t cnt, acnt; | |
2089 | ||
2090 | if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, &acnt)) | |
e7f7b6f3 SC |
2091 | return scnprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); |
2092 | return scnprintf(buf, PAGE_SIZE, "Unknown\n"); | |
92d7f7b0 JS |
2093 | } |
2094 | ||
e59058c4 | 2095 | /** |
3621a710 | 2096 | * lpfc_npiv_info_show - Return text about NPIV support for the adapter |
e59058c4 JS |
2097 | * @dev: class device that is converted into a Scsi_host. |
2098 | * @attr: device attribute, not used. | |
2099 | * @buf: text that must be interpreted to determine if npiv is supported. | |
2100 | * | |
2101 | * Description: | |
2102 | * Buffer will contain text indicating npiv is not suppoerted on the port, | |
2103 | * the port is an NPIV physical port, or it is an npiv virtual port with | |
2104 | * the id of the vport. | |
2105 | * | |
2106 | * Returns: size of formatted string. | |
2107 | **/ | |
92d7f7b0 | 2108 | static ssize_t |
ee959b00 TJ |
2109 | lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr, |
2110 | char *buf) | |
92d7f7b0 | 2111 | { |
ee959b00 | 2112 | struct Scsi_Host *shost = class_to_shost(dev); |
92d7f7b0 JS |
2113 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
2114 | struct lpfc_hba *phba = vport->phba; | |
2115 | ||
2116 | if (!(phba->max_vpi)) | |
e7f7b6f3 | 2117 | return scnprintf(buf, PAGE_SIZE, "NPIV Not Supported\n"); |
92d7f7b0 | 2118 | if (vport->port_type == LPFC_PHYSICAL_PORT) |
e7f7b6f3 SC |
2119 | return scnprintf(buf, PAGE_SIZE, "NPIV Physical\n"); |
2120 | return scnprintf(buf, PAGE_SIZE, "NPIV Virtual (VPI %d)\n", vport->vpi); | |
92d7f7b0 JS |
2121 | } |
2122 | ||
e59058c4 | 2123 | /** |
3621a710 | 2124 | * lpfc_poll_show - Return text about poll support for the adapter |
e59058c4 JS |
2125 | * @dev: class device that is converted into a Scsi_host. |
2126 | * @attr: device attribute, not used. | |
2127 | * @buf: on return contains the cfg_poll in hex. | |
2128 | * | |
2129 | * Notes: | |
2130 | * cfg_poll should be a lpfc_polling_flags type. | |
2131 | * | |
2132 | * Returns: size of formatted string. | |
2133 | **/ | |
875fbdfe | 2134 | static ssize_t |
ee959b00 TJ |
2135 | lpfc_poll_show(struct device *dev, struct device_attribute *attr, |
2136 | char *buf) | |
875fbdfe | 2137 | { |
ee959b00 | 2138 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
2139 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
2140 | struct lpfc_hba *phba = vport->phba; | |
875fbdfe | 2141 | |
e7f7b6f3 | 2142 | return scnprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll); |
875fbdfe JSEC |
2143 | } |
2144 | ||
e59058c4 | 2145 | /** |
3621a710 | 2146 | * lpfc_poll_store - Set the value of cfg_poll for the adapter |
e59058c4 JS |
2147 | * @dev: class device that is converted into a Scsi_host. |
2148 | * @attr: device attribute, not used. | |
2149 | * @buf: one or more lpfc_polling_flags values. | |
2150 | * @count: not used. | |
2151 | * | |
2152 | * Notes: | |
2153 | * buf contents converted to integer and checked for a valid value. | |
2154 | * | |
2155 | * Returns: | |
2156 | * -EINVAL if the buffer connot be converted or is out of range | |
2157 | * length of the buf on success | |
2158 | **/ | |
875fbdfe | 2159 | static ssize_t |
ee959b00 TJ |
2160 | lpfc_poll_store(struct device *dev, struct device_attribute *attr, |
2161 | const char *buf, size_t count) | |
875fbdfe | 2162 | { |
ee959b00 | 2163 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 JS |
2164 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
2165 | struct lpfc_hba *phba = vport->phba; | |
875fbdfe JSEC |
2166 | uint32_t creg_val; |
2167 | uint32_t old_val; | |
2168 | int val=0; | |
2169 | ||
2170 | if (!isdigit(buf[0])) | |
2171 | return -EINVAL; | |
2172 | ||
2173 | if (sscanf(buf, "%i", &val) != 1) | |
2174 | return -EINVAL; | |
2175 | ||
2176 | if ((val & 0x3) != val) | |
2177 | return -EINVAL; | |
2178 | ||
45ed1190 JS |
2179 | if (phba->sli_rev == LPFC_SLI_REV4) |
2180 | val = 0; | |
2181 | ||
88a2cfbb JS |
2182 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
2183 | "3051 lpfc_poll changed from %d to %d\n", | |
2184 | phba->cfg_poll, val); | |
2185 | ||
2e0fef85 | 2186 | spin_lock_irq(&phba->hbalock); |
875fbdfe JSEC |
2187 | |
2188 | old_val = phba->cfg_poll; | |
2189 | ||
2190 | if (val & ENABLE_FCP_RING_POLLING) { | |
2191 | if ((val & DISABLE_FCP_RING_INT) && | |
2192 | !(old_val & DISABLE_FCP_RING_INT)) { | |
9940b97b JS |
2193 | if (lpfc_readl(phba->HCregaddr, &creg_val)) { |
2194 | spin_unlock_irq(&phba->hbalock); | |
2195 | return -EINVAL; | |
2196 | } | |
875fbdfe JSEC |
2197 | creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); |
2198 | writel(creg_val, phba->HCregaddr); | |
2199 | readl(phba->HCregaddr); /* flush */ | |
2200 | ||
2201 | lpfc_poll_start_timer(phba); | |
2202 | } | |
2203 | } else if (val != 0x0) { | |
2e0fef85 | 2204 | spin_unlock_irq(&phba->hbalock); |
875fbdfe JSEC |
2205 | return -EINVAL; |
2206 | } | |
2207 | ||
2208 | if (!(val & DISABLE_FCP_RING_INT) && | |
2209 | (old_val & DISABLE_FCP_RING_INT)) | |
2210 | { | |
2e0fef85 | 2211 | spin_unlock_irq(&phba->hbalock); |
875fbdfe | 2212 | del_timer(&phba->fcp_poll_timer); |
2e0fef85 | 2213 | spin_lock_irq(&phba->hbalock); |
9940b97b JS |
2214 | if (lpfc_readl(phba->HCregaddr, &creg_val)) { |
2215 | spin_unlock_irq(&phba->hbalock); | |
2216 | return -EINVAL; | |
2217 | } | |
875fbdfe JSEC |
2218 | creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); |
2219 | writel(creg_val, phba->HCregaddr); | |
2220 | readl(phba->HCregaddr); /* flush */ | |
2221 | } | |
2222 | ||
2223 | phba->cfg_poll = val; | |
2224 | ||
2e0fef85 | 2225 | spin_unlock_irq(&phba->hbalock); |
875fbdfe JSEC |
2226 | |
2227 | return strlen(buf); | |
2228 | } | |
dea3101e | 2229 | |
bc73905a JS |
2230 | /** |
2231 | * lpfc_fips_level_show - Return the current FIPS level for the HBA | |
2232 | * @dev: class unused variable. | |
2233 | * @attr: device attribute, not used. | |
2234 | * @buf: on return contains the module description text. | |
2235 | * | |
2236 | * Returns: size of formatted string. | |
2237 | **/ | |
2238 | static ssize_t | |
2239 | lpfc_fips_level_show(struct device *dev, struct device_attribute *attr, | |
2240 | char *buf) | |
2241 | { | |
2242 | struct Scsi_Host *shost = class_to_shost(dev); | |
2243 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2244 | struct lpfc_hba *phba = vport->phba; | |
2245 | ||
e7f7b6f3 | 2246 | return scnprintf(buf, PAGE_SIZE, "%d\n", phba->fips_level); |
bc73905a JS |
2247 | } |
2248 | ||
2249 | /** | |
2250 | * lpfc_fips_rev_show - Return the FIPS Spec revision for the HBA | |
2251 | * @dev: class unused variable. | |
2252 | * @attr: device attribute, not used. | |
2253 | * @buf: on return contains the module description text. | |
2254 | * | |
2255 | * Returns: size of formatted string. | |
2256 | **/ | |
2257 | static ssize_t | |
2258 | lpfc_fips_rev_show(struct device *dev, struct device_attribute *attr, | |
2259 | char *buf) | |
2260 | { | |
2261 | struct Scsi_Host *shost = class_to_shost(dev); | |
2262 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2263 | struct lpfc_hba *phba = vport->phba; | |
2264 | ||
e7f7b6f3 | 2265 | return scnprintf(buf, PAGE_SIZE, "%d\n", phba->fips_spec_rev); |
bc73905a JS |
2266 | } |
2267 | ||
ab56dc2e JS |
2268 | /** |
2269 | * lpfc_dss_show - Return the current state of dss and the configured state | |
2270 | * @dev: class converted to a Scsi_host structure. | |
2271 | * @attr: device attribute, not used. | |
2272 | * @buf: on return contains the formatted text. | |
2273 | * | |
2274 | * Returns: size of formatted string. | |
2275 | **/ | |
2276 | static ssize_t | |
2277 | lpfc_dss_show(struct device *dev, struct device_attribute *attr, | |
2278 | char *buf) | |
2279 | { | |
2280 | struct Scsi_Host *shost = class_to_shost(dev); | |
2281 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2282 | struct lpfc_hba *phba = vport->phba; | |
2283 | ||
e7f7b6f3 | 2284 | return scnprintf(buf, PAGE_SIZE, "%s - %sOperational\n", |
ab56dc2e JS |
2285 | (phba->cfg_enable_dss) ? "Enabled" : "Disabled", |
2286 | (phba->sli3_options & LPFC_SLI3_DSS_ENABLED) ? | |
2287 | "" : "Not "); | |
2288 | } | |
2289 | ||
912e3acd JS |
2290 | /** |
2291 | * lpfc_sriov_hw_max_virtfn_show - Return maximum number of virtual functions | |
2292 | * @dev: class converted to a Scsi_host structure. | |
2293 | * @attr: device attribute, not used. | |
2294 | * @buf: on return contains the formatted support level. | |
2295 | * | |
2296 | * Description: | |
2297 | * Returns the maximum number of virtual functions a physical function can | |
2298 | * support, 0 will be returned if called on virtual function. | |
2299 | * | |
2300 | * Returns: size of formatted string. | |
2301 | **/ | |
2302 | static ssize_t | |
2303 | lpfc_sriov_hw_max_virtfn_show(struct device *dev, | |
2304 | struct device_attribute *attr, | |
2305 | char *buf) | |
2306 | { | |
2307 | struct Scsi_Host *shost = class_to_shost(dev); | |
2308 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2309 | struct lpfc_hba *phba = vport->phba; | |
0a96e975 | 2310 | uint16_t max_nr_virtfn; |
912e3acd | 2311 | |
0a96e975 | 2312 | max_nr_virtfn = lpfc_sli_sriov_nr_virtfn_get(phba); |
e7f7b6f3 | 2313 | return scnprintf(buf, PAGE_SIZE, "%d\n", max_nr_virtfn); |
912e3acd JS |
2314 | } |
2315 | ||
de8c36bb AB |
2316 | static inline bool lpfc_rangecheck(uint val, uint min, uint max) |
2317 | { | |
2318 | return val >= min && val <= max; | |
2319 | } | |
2320 | ||
44fd7fe3 JS |
2321 | /** |
2322 | * lpfc_enable_bbcr_set: Sets an attribute value. | |
2323 | * @phba: pointer the the adapter structure. | |
2324 | * @val: integer attribute value. | |
2325 | * | |
2326 | * Description: | |
2327 | * Validates the min and max values then sets the | |
2328 | * adapter config field if in the valid range. prints error message | |
2329 | * and does not set the parameter if invalid. | |
2330 | * | |
2331 | * Returns: | |
2332 | * zero on success | |
2333 | * -EINVAL if val is invalid | |
2334 | */ | |
2335 | static ssize_t | |
2336 | lpfc_enable_bbcr_set(struct lpfc_hba *phba, uint val) | |
2337 | { | |
2338 | if (lpfc_rangecheck(val, 0, 1) && phba->sli_rev == LPFC_SLI_REV4) { | |
2339 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2340 | "3068 %s_enable_bbcr changed from %d to %d\n", | |
2341 | LPFC_DRIVER_NAME, phba->cfg_enable_bbcr, val); | |
2342 | phba->cfg_enable_bbcr = val; | |
2343 | return 0; | |
2344 | } | |
2345 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2346 | "0451 %s_enable_bbcr cannot set to %d, range is 0, 1\n", | |
2347 | LPFC_DRIVER_NAME, val); | |
2348 | return -EINVAL; | |
2349 | } | |
2350 | ||
e59058c4 | 2351 | /** |
3621a710 | 2352 | * lpfc_param_show - Return a cfg attribute value in decimal |
e59058c4 JS |
2353 | * |
2354 | * Description: | |
2355 | * Macro that given an attr e.g. hba_queue_depth expands | |
2356 | * into a function with the name lpfc_hba_queue_depth_show. | |
2357 | * | |
2358 | * lpfc_##attr##_show: Return the decimal value of an adapters cfg_xxx field. | |
2359 | * @dev: class device that is converted into a Scsi_host. | |
2360 | * @attr: device attribute, not used. | |
2361 | * @buf: on return contains the attribute value in decimal. | |
2362 | * | |
2363 | * Returns: size of formatted string. | |
2364 | **/ | |
dea3101e JB |
2365 | #define lpfc_param_show(attr) \ |
2366 | static ssize_t \ | |
ee959b00 TJ |
2367 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
2368 | char *buf) \ | |
dea3101e | 2369 | { \ |
ee959b00 | 2370 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
2371 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
2372 | struct lpfc_hba *phba = vport->phba;\ | |
e7f7b6f3 | 2373 | return scnprintf(buf, PAGE_SIZE, "%d\n",\ |
7bcbb752 JSEC |
2374 | phba->cfg_##attr);\ |
2375 | } | |
2376 | ||
e59058c4 | 2377 | /** |
3621a710 | 2378 | * lpfc_param_hex_show - Return a cfg attribute value in hex |
e59058c4 JS |
2379 | * |
2380 | * Description: | |
2381 | * Macro that given an attr e.g. hba_queue_depth expands | |
2382 | * into a function with the name lpfc_hba_queue_depth_show | |
2383 | * | |
2384 | * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field. | |
2385 | * @dev: class device that is converted into a Scsi_host. | |
2386 | * @attr: device attribute, not used. | |
3621a710 | 2387 | * @buf: on return contains the attribute value in hexadecimal. |
e59058c4 JS |
2388 | * |
2389 | * Returns: size of formatted string. | |
2390 | **/ | |
93a20f74 JSEC |
2391 | #define lpfc_param_hex_show(attr) \ |
2392 | static ssize_t \ | |
ee959b00 TJ |
2393 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
2394 | char *buf) \ | |
93a20f74 | 2395 | { \ |
ee959b00 | 2396 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
2397 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
2398 | struct lpfc_hba *phba = vport->phba;\ | |
84d1b006 | 2399 | uint val = 0;\ |
93a20f74 | 2400 | val = phba->cfg_##attr;\ |
e7f7b6f3 | 2401 | return scnprintf(buf, PAGE_SIZE, "%#x\n",\ |
93a20f74 JSEC |
2402 | phba->cfg_##attr);\ |
2403 | } | |
2404 | ||
e59058c4 | 2405 | /** |
b595076a | 2406 | * lpfc_param_init - Initializes a cfg attribute |
e59058c4 JS |
2407 | * |
2408 | * Description: | |
2409 | * Macro that given an attr e.g. hba_queue_depth expands | |
2410 | * into a function with the name lpfc_hba_queue_depth_init. The macro also | |
2411 | * takes a default argument, a minimum and maximum argument. | |
2412 | * | |
2413 | * lpfc_##attr##_init: Initializes an attribute. | |
2414 | * @phba: pointer the the adapter structure. | |
2415 | * @val: integer attribute value. | |
2416 | * | |
2417 | * Validates the min and max values then sets the adapter config field | |
2418 | * accordingly, or uses the default if out of range and prints an error message. | |
2419 | * | |
2420 | * Returns: | |
2421 | * zero on success | |
2422 | * -EINVAL if default used | |
2423 | **/ | |
7bcbb752 JSEC |
2424 | #define lpfc_param_init(attr, default, minval, maxval) \ |
2425 | static int \ | |
84d1b006 | 2426 | lpfc_##attr##_init(struct lpfc_hba *phba, uint val) \ |
7bcbb752 | 2427 | { \ |
de8c36bb | 2428 | if (lpfc_rangecheck(val, minval, maxval)) {\ |
7bcbb752 JSEC |
2429 | phba->cfg_##attr = val;\ |
2430 | return 0;\ | |
dea3101e | 2431 | }\ |
7bcbb752 | 2432 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ |
e8b62011 JS |
2433 | "0449 lpfc_"#attr" attribute cannot be set to %d, "\ |
2434 | "allowed range is ["#minval", "#maxval"]\n", val); \ | |
7bcbb752 JSEC |
2435 | phba->cfg_##attr = default;\ |
2436 | return -EINVAL;\ | |
dea3101e JB |
2437 | } |
2438 | ||
e59058c4 | 2439 | /** |
3621a710 | 2440 | * lpfc_param_set - Set a cfg attribute value |
e59058c4 JS |
2441 | * |
2442 | * Description: | |
2443 | * Macro that given an attr e.g. hba_queue_depth expands | |
2444 | * into a function with the name lpfc_hba_queue_depth_set | |
2445 | * | |
2446 | * lpfc_##attr##_set: Sets an attribute value. | |
2447 | * @phba: pointer the the adapter structure. | |
2448 | * @val: integer attribute value. | |
2449 | * | |
2450 | * Description: | |
2451 | * Validates the min and max values then sets the | |
2452 | * adapter config field if in the valid range. prints error message | |
2453 | * and does not set the parameter if invalid. | |
2454 | * | |
2455 | * Returns: | |
2456 | * zero on success | |
2457 | * -EINVAL if val is invalid | |
2458 | **/ | |
7bcbb752 JSEC |
2459 | #define lpfc_param_set(attr, default, minval, maxval) \ |
2460 | static int \ | |
84d1b006 | 2461 | lpfc_##attr##_set(struct lpfc_hba *phba, uint val) \ |
7bcbb752 | 2462 | { \ |
de8c36bb | 2463 | if (lpfc_rangecheck(val, minval, maxval)) {\ |
88a2cfbb JS |
2464 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ |
2465 | "3052 lpfc_" #attr " changed from %d to %d\n", \ | |
2466 | phba->cfg_##attr, val); \ | |
7bcbb752 JSEC |
2467 | phba->cfg_##attr = val;\ |
2468 | return 0;\ | |
2469 | }\ | |
2470 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ | |
e8b62011 JS |
2471 | "0450 lpfc_"#attr" attribute cannot be set to %d, "\ |
2472 | "allowed range is ["#minval", "#maxval"]\n", val); \ | |
7bcbb752 JSEC |
2473 | return -EINVAL;\ |
2474 | } | |
2475 | ||
e59058c4 | 2476 | /** |
3621a710 | 2477 | * lpfc_param_store - Set a vport attribute value |
e59058c4 JS |
2478 | * |
2479 | * Description: | |
2480 | * Macro that given an attr e.g. hba_queue_depth expands | |
2481 | * into a function with the name lpfc_hba_queue_depth_store. | |
2482 | * | |
2483 | * lpfc_##attr##_store: Set an sttribute value. | |
2484 | * @dev: class device that is converted into a Scsi_host. | |
2485 | * @attr: device attribute, not used. | |
2486 | * @buf: contains the attribute value in ascii. | |
2487 | * @count: not used. | |
2488 | * | |
2489 | * Description: | |
2490 | * Convert the ascii text number to an integer, then | |
2491 | * use the lpfc_##attr##_set function to set the value. | |
2492 | * | |
2493 | * Returns: | |
2494 | * -EINVAL if val is invalid or lpfc_##attr##_set() fails | |
2495 | * length of buffer upon success. | |
2496 | **/ | |
7bcbb752 | 2497 | #define lpfc_param_store(attr) \ |
dea3101e | 2498 | static ssize_t \ |
ee959b00 TJ |
2499 | lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ |
2500 | const char *buf, size_t count) \ | |
dea3101e | 2501 | { \ |
ee959b00 | 2502 | struct Scsi_Host *shost = class_to_shost(dev);\ |
2e0fef85 JS |
2503 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
2504 | struct lpfc_hba *phba = vport->phba;\ | |
84d1b006 | 2505 | uint val = 0;\ |
93a20f74 JSEC |
2506 | if (!isdigit(buf[0]))\ |
2507 | return -EINVAL;\ | |
2508 | if (sscanf(buf, "%i", &val) != 1)\ | |
2509 | return -EINVAL;\ | |
7bcbb752 | 2510 | if (lpfc_##attr##_set(phba, val) == 0) \ |
755c0d06 | 2511 | return strlen(buf);\ |
7bcbb752 JSEC |
2512 | else \ |
2513 | return -EINVAL;\ | |
dea3101e JB |
2514 | } |
2515 | ||
e59058c4 | 2516 | /** |
3621a710 | 2517 | * lpfc_vport_param_show - Return decimal formatted cfg attribute value |
e59058c4 JS |
2518 | * |
2519 | * Description: | |
2520 | * Macro that given an attr e.g. hba_queue_depth expands | |
2521 | * into a function with the name lpfc_hba_queue_depth_show | |
2522 | * | |
2523 | * lpfc_##attr##_show: prints the attribute value in decimal. | |
2524 | * @dev: class device that is converted into a Scsi_host. | |
2525 | * @attr: device attribute, not used. | |
2526 | * @buf: on return contains the attribute value in decimal. | |
2527 | * | |
2528 | * Returns: length of formatted string. | |
2529 | **/ | |
3de2a653 JS |
2530 | #define lpfc_vport_param_show(attr) \ |
2531 | static ssize_t \ | |
ee959b00 TJ |
2532 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
2533 | char *buf) \ | |
3de2a653 | 2534 | { \ |
ee959b00 | 2535 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 | 2536 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
e7f7b6f3 | 2537 | return scnprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\ |
3de2a653 JS |
2538 | } |
2539 | ||
e59058c4 | 2540 | /** |
3621a710 | 2541 | * lpfc_vport_param_hex_show - Return hex formatted attribute value |
e59058c4 JS |
2542 | * |
2543 | * Description: | |
2544 | * Macro that given an attr e.g. | |
2545 | * hba_queue_depth expands into a function with the name | |
2546 | * lpfc_hba_queue_depth_show | |
2547 | * | |
3621a710 | 2548 | * lpfc_##attr##_show: prints the attribute value in hexadecimal. |
e59058c4 JS |
2549 | * @dev: class device that is converted into a Scsi_host. |
2550 | * @attr: device attribute, not used. | |
3621a710 | 2551 | * @buf: on return contains the attribute value in hexadecimal. |
e59058c4 JS |
2552 | * |
2553 | * Returns: length of formatted string. | |
2554 | **/ | |
3de2a653 JS |
2555 | #define lpfc_vport_param_hex_show(attr) \ |
2556 | static ssize_t \ | |
ee959b00 TJ |
2557 | lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ |
2558 | char *buf) \ | |
3de2a653 | 2559 | { \ |
ee959b00 | 2560 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 | 2561 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
e7f7b6f3 | 2562 | return scnprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\ |
3de2a653 JS |
2563 | } |
2564 | ||
e59058c4 | 2565 | /** |
3621a710 | 2566 | * lpfc_vport_param_init - Initialize a vport cfg attribute |
e59058c4 JS |
2567 | * |
2568 | * Description: | |
2569 | * Macro that given an attr e.g. hba_queue_depth expands | |
2570 | * into a function with the name lpfc_hba_queue_depth_init. The macro also | |
2571 | * takes a default argument, a minimum and maximum argument. | |
2572 | * | |
2573 | * lpfc_##attr##_init: validates the min and max values then sets the | |
2574 | * adapter config field accordingly, or uses the default if out of range | |
2575 | * and prints an error message. | |
2576 | * @phba: pointer the the adapter structure. | |
2577 | * @val: integer attribute value. | |
2578 | * | |
2579 | * Returns: | |
2580 | * zero on success | |
2581 | * -EINVAL if default used | |
2582 | **/ | |
3de2a653 JS |
2583 | #define lpfc_vport_param_init(attr, default, minval, maxval) \ |
2584 | static int \ | |
84d1b006 | 2585 | lpfc_##attr##_init(struct lpfc_vport *vport, uint val) \ |
3de2a653 | 2586 | { \ |
de8c36bb | 2587 | if (lpfc_rangecheck(val, minval, maxval)) {\ |
3de2a653 JS |
2588 | vport->cfg_##attr = val;\ |
2589 | return 0;\ | |
2590 | }\ | |
e8b62011 | 2591 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
d7c255b2 | 2592 | "0423 lpfc_"#attr" attribute cannot be set to %d, "\ |
e8b62011 | 2593 | "allowed range is ["#minval", "#maxval"]\n", val); \ |
3de2a653 JS |
2594 | vport->cfg_##attr = default;\ |
2595 | return -EINVAL;\ | |
2596 | } | |
2597 | ||
e59058c4 | 2598 | /** |
3621a710 | 2599 | * lpfc_vport_param_set - Set a vport cfg attribute |
e59058c4 JS |
2600 | * |
2601 | * Description: | |
2602 | * Macro that given an attr e.g. hba_queue_depth expands | |
2603 | * into a function with the name lpfc_hba_queue_depth_set | |
2604 | * | |
2605 | * lpfc_##attr##_set: validates the min and max values then sets the | |
2606 | * adapter config field if in the valid range. prints error message | |
2607 | * and does not set the parameter if invalid. | |
2608 | * @phba: pointer the the adapter structure. | |
2609 | * @val: integer attribute value. | |
2610 | * | |
2611 | * Returns: | |
2612 | * zero on success | |
2613 | * -EINVAL if val is invalid | |
2614 | **/ | |
3de2a653 JS |
2615 | #define lpfc_vport_param_set(attr, default, minval, maxval) \ |
2616 | static int \ | |
84d1b006 | 2617 | lpfc_##attr##_set(struct lpfc_vport *vport, uint val) \ |
3de2a653 | 2618 | { \ |
de8c36bb | 2619 | if (lpfc_rangecheck(val, minval, maxval)) {\ |
88a2cfbb | 2620 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
14660f4f JS |
2621 | "3053 lpfc_" #attr \ |
2622 | " changed from %d (x%x) to %d (x%x)\n", \ | |
2623 | vport->cfg_##attr, vport->cfg_##attr, \ | |
2624 | val, val); \ | |
3de2a653 JS |
2625 | vport->cfg_##attr = val;\ |
2626 | return 0;\ | |
2627 | }\ | |
e8b62011 | 2628 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
d7c255b2 | 2629 | "0424 lpfc_"#attr" attribute cannot be set to %d, "\ |
e8b62011 | 2630 | "allowed range is ["#minval", "#maxval"]\n", val); \ |
3de2a653 JS |
2631 | return -EINVAL;\ |
2632 | } | |
2633 | ||
e59058c4 | 2634 | /** |
3621a710 | 2635 | * lpfc_vport_param_store - Set a vport attribute |
e59058c4 JS |
2636 | * |
2637 | * Description: | |
2638 | * Macro that given an attr e.g. hba_queue_depth | |
2639 | * expands into a function with the name lpfc_hba_queue_depth_store | |
2640 | * | |
2641 | * lpfc_##attr##_store: convert the ascii text number to an integer, then | |
2642 | * use the lpfc_##attr##_set function to set the value. | |
2643 | * @cdev: class device that is converted into a Scsi_host. | |
2644 | * @buf: contains the attribute value in decimal. | |
2645 | * @count: not used. | |
2646 | * | |
2647 | * Returns: | |
2648 | * -EINVAL if val is invalid or lpfc_##attr##_set() fails | |
2649 | * length of buffer upon success. | |
2650 | **/ | |
3de2a653 JS |
2651 | #define lpfc_vport_param_store(attr) \ |
2652 | static ssize_t \ | |
ee959b00 TJ |
2653 | lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ |
2654 | const char *buf, size_t count) \ | |
3de2a653 | 2655 | { \ |
ee959b00 | 2656 | struct Scsi_Host *shost = class_to_shost(dev);\ |
3de2a653 | 2657 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
84d1b006 | 2658 | uint val = 0;\ |
3de2a653 JS |
2659 | if (!isdigit(buf[0]))\ |
2660 | return -EINVAL;\ | |
2661 | if (sscanf(buf, "%i", &val) != 1)\ | |
2662 | return -EINVAL;\ | |
2663 | if (lpfc_##attr##_set(vport, val) == 0) \ | |
2664 | return strlen(buf);\ | |
2665 | else \ | |
2666 | return -EINVAL;\ | |
2667 | } | |
2668 | ||
2669 | ||
895427bd | 2670 | static DEVICE_ATTR(nvme_info, 0444, lpfc_nvme_info_show, NULL); |
4c47efc1 | 2671 | static DEVICE_ATTR(scsi_stat, 0444, lpfc_scsi_stat_show, NULL); |
81301a9b JS |
2672 | static DEVICE_ATTR(bg_info, S_IRUGO, lpfc_bg_info_show, NULL); |
2673 | static DEVICE_ATTR(bg_guard_err, S_IRUGO, lpfc_bg_guard_err_show, NULL); | |
2674 | static DEVICE_ATTR(bg_apptag_err, S_IRUGO, lpfc_bg_apptag_err_show, NULL); | |
2675 | static DEVICE_ATTR(bg_reftag_err, S_IRUGO, lpfc_bg_reftag_err_show, NULL); | |
ee959b00 TJ |
2676 | static DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL); |
2677 | static DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL); | |
2678 | static DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL); | |
2679 | static DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL); | |
2680 | static DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL); | |
2681 | static DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL); | |
2682 | static DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL); | |
2683 | static DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL); | |
84d1b006 JS |
2684 | static DEVICE_ATTR(link_state, S_IRUGO | S_IWUSR, lpfc_link_state_show, |
2685 | lpfc_link_state_store); | |
ee959b00 TJ |
2686 | static DEVICE_ATTR(option_rom_version, S_IRUGO, |
2687 | lpfc_option_rom_version_show, NULL); | |
2688 | static DEVICE_ATTR(num_discovered_ports, S_IRUGO, | |
2689 | lpfc_num_discovered_ports_show, NULL); | |
84774a4d | 2690 | static DEVICE_ATTR(menlo_mgmt_mode, S_IRUGO, lpfc_mlomgmt_show, NULL); |
ee959b00 | 2691 | static DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL); |
c828a892 JP |
2692 | static DEVICE_ATTR_RO(lpfc_drvr_version); |
2693 | static DEVICE_ATTR_RO(lpfc_enable_fip); | |
ee959b00 TJ |
2694 | static DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR, |
2695 | lpfc_board_mode_show, lpfc_board_mode_store); | |
2696 | static DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset); | |
2697 | static DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL); | |
2698 | static DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL); | |
2699 | static DEVICE_ATTR(max_rpi, S_IRUGO, lpfc_max_rpi_show, NULL); | |
2700 | static DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL); | |
2701 | static DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL); | |
2702 | static DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL); | |
2703 | static DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL); | |
c828a892 JP |
2704 | static DEVICE_ATTR_RO(lpfc_temp_sensor); |
2705 | static DEVICE_ATTR_RO(lpfc_fips_level); | |
2706 | static DEVICE_ATTR_RO(lpfc_fips_rev); | |
2707 | static DEVICE_ATTR_RO(lpfc_dss); | |
2708 | static DEVICE_ATTR_RO(lpfc_sriov_hw_max_virtfn); | |
026abb87 | 2709 | static DEVICE_ATTR(protocol, S_IRUGO, lpfc_sli4_protocol_show, NULL); |
1ba981fd JS |
2710 | static DEVICE_ATTR(lpfc_xlane_supported, S_IRUGO, lpfc_oas_supported_show, |
2711 | NULL); | |
c3f28afa | 2712 | |
352e5fd1 | 2713 | static char *lpfc_soft_wwn_key = "C99G71SL8032A"; |
1ba981fd JS |
2714 | #define WWN_SZ 8 |
2715 | /** | |
2716 | * lpfc_wwn_set - Convert string to the 8 byte WWN value. | |
2717 | * @buf: WWN string. | |
2718 | * @cnt: Length of string. | |
2719 | * @wwn: Array to receive converted wwn value. | |
2720 | * | |
2721 | * Returns: | |
2722 | * -EINVAL if the buffer does not contain a valid wwn | |
2723 | * 0 success | |
2724 | **/ | |
2725 | static size_t | |
2726 | lpfc_wwn_set(const char *buf, size_t cnt, char wwn[]) | |
2727 | { | |
2728 | unsigned int i, j; | |
2729 | ||
2730 | /* Count may include a LF at end of string */ | |
2731 | if (buf[cnt-1] == '\n') | |
2732 | cnt--; | |
c3f28afa | 2733 | |
1ba981fd JS |
2734 | if ((cnt < 16) || (cnt > 18) || ((cnt == 17) && (*buf++ != 'x')) || |
2735 | ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) | |
2736 | return -EINVAL; | |
2737 | ||
2738 | memset(wwn, 0, WWN_SZ); | |
2739 | ||
2740 | /* Validate and store the new name */ | |
2741 | for (i = 0, j = 0; i < 16; i++) { | |
2742 | if ((*buf >= 'a') && (*buf <= 'f')) | |
2743 | j = ((j << 4) | ((*buf++ - 'a') + 10)); | |
2744 | else if ((*buf >= 'A') && (*buf <= 'F')) | |
2745 | j = ((j << 4) | ((*buf++ - 'A') + 10)); | |
2746 | else if ((*buf >= '0') && (*buf <= '9')) | |
2747 | j = ((j << 4) | (*buf++ - '0')); | |
2748 | else | |
2749 | return -EINVAL; | |
2750 | if (i % 2) { | |
2751 | wwn[i/2] = j & 0xff; | |
2752 | j = 0; | |
2753 | } | |
2754 | } | |
2755 | return 0; | |
2756 | } | |
352e5fd1 JS |
2757 | /** |
2758 | * lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid | |
2759 | * @dev: class device that is converted into a Scsi_host. | |
2760 | * @attr: device attribute, not used. | |
2761 | * @buf: containing the string lpfc_soft_wwn_key. | |
2762 | * @count: must be size of lpfc_soft_wwn_key. | |
2763 | * | |
2764 | * Returns: | |
2765 | * -EINVAL if the buffer does not contain lpfc_soft_wwn_key | |
2766 | * length of buf indicates success | |
2767 | **/ | |
2768 | static ssize_t | |
2769 | lpfc_soft_wwn_enable_store(struct device *dev, struct device_attribute *attr, | |
2770 | const char *buf, size_t count) | |
2771 | { | |
2772 | struct Scsi_Host *shost = class_to_shost(dev); | |
2773 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2774 | struct lpfc_hba *phba = vport->phba; | |
2775 | unsigned int cnt = count; | |
aeb3c817 JS |
2776 | uint8_t vvvl = vport->fc_sparam.cmn.valid_vendor_ver_level; |
2777 | u32 *fawwpn_key = (uint32_t *)&vport->fc_sparam.un.vendorVersion[0]; | |
352e5fd1 JS |
2778 | |
2779 | /* | |
2780 | * We're doing a simple sanity check for soft_wwpn setting. | |
2781 | * We require that the user write a specific key to enable | |
2782 | * the soft_wwpn attribute to be settable. Once the attribute | |
2783 | * is written, the enable key resets. If further updates are | |
2784 | * desired, the key must be written again to re-enable the | |
2785 | * attribute. | |
2786 | * | |
2787 | * The "key" is not secret - it is a hardcoded string shown | |
2788 | * here. The intent is to protect against the random user or | |
2789 | * application that is just writing attributes. | |
2790 | */ | |
aeb3c817 JS |
2791 | if (vvvl == 1 && cpu_to_be32(*fawwpn_key) == FAPWWN_KEY_VENDOR) { |
2792 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2793 | "0051 "LPFC_DRIVER_NAME" soft wwpn can not" | |
2794 | " be enabled: fawwpn is enabled\n"); | |
2795 | return -EINVAL; | |
2796 | } | |
352e5fd1 JS |
2797 | |
2798 | /* count may include a LF at end of string */ | |
2799 | if (buf[cnt-1] == '\n') | |
2800 | cnt--; | |
2801 | ||
2802 | if ((cnt != strlen(lpfc_soft_wwn_key)) || | |
2803 | (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0)) | |
2804 | return -EINVAL; | |
2805 | ||
2806 | phba->soft_wwn_enable = 1; | |
2807 | ||
2808 | dev_printk(KERN_WARNING, &phba->pcidev->dev, | |
2809 | "lpfc%d: soft_wwpn assignment has been enabled.\n", | |
2810 | phba->brd_no); | |
2811 | dev_printk(KERN_WARNING, &phba->pcidev->dev, | |
2812 | " The soft_wwpn feature is not supported by Broadcom."); | |
2813 | ||
2814 | return count; | |
2815 | } | |
6cbaefb4 | 2816 | static DEVICE_ATTR_WO(lpfc_soft_wwn_enable); |
352e5fd1 JS |
2817 | |
2818 | /** | |
2819 | * lpfc_soft_wwpn_show - Return the cfg soft ww port name of the adapter | |
2820 | * @dev: class device that is converted into a Scsi_host. | |
2821 | * @attr: device attribute, not used. | |
2822 | * @buf: on return contains the wwpn in hexadecimal. | |
2823 | * | |
2824 | * Returns: size of formatted string. | |
2825 | **/ | |
2826 | static ssize_t | |
2827 | lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr, | |
2828 | char *buf) | |
2829 | { | |
2830 | struct Scsi_Host *shost = class_to_shost(dev); | |
2831 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2832 | struct lpfc_hba *phba = vport->phba; | |
2833 | ||
e7f7b6f3 | 2834 | return scnprintf(buf, PAGE_SIZE, "0x%llx\n", |
352e5fd1 JS |
2835 | (unsigned long long)phba->cfg_soft_wwpn); |
2836 | } | |
2837 | ||
2838 | /** | |
2839 | * lpfc_soft_wwpn_store - Set the ww port name of the adapter | |
2840 | * @dev class device that is converted into a Scsi_host. | |
2841 | * @attr: device attribute, not used. | |
2842 | * @buf: contains the wwpn in hexadecimal. | |
2843 | * @count: number of wwpn bytes in buf | |
2844 | * | |
2845 | * Returns: | |
2846 | * -EACCES hba reset not enabled, adapter over temp | |
2847 | * -EINVAL soft wwn not enabled, count is invalid, invalid wwpn byte invalid | |
2848 | * -EIO error taking adapter offline or online | |
2849 | * value of count on success | |
2850 | **/ | |
2851 | static ssize_t | |
2852 | lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr, | |
2853 | const char *buf, size_t count) | |
2854 | { | |
2855 | struct Scsi_Host *shost = class_to_shost(dev); | |
2856 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
2857 | struct lpfc_hba *phba = vport->phba; | |
2858 | struct completion online_compl; | |
2859 | int stat1 = 0, stat2 = 0; | |
2860 | unsigned int cnt = count; | |
2861 | u8 wwpn[WWN_SZ]; | |
2862 | int rc; | |
2863 | ||
2864 | if (!phba->cfg_enable_hba_reset) | |
2865 | return -EACCES; | |
2866 | spin_lock_irq(&phba->hbalock); | |
2867 | if (phba->over_temp_state == HBA_OVER_TEMP) { | |
2868 | spin_unlock_irq(&phba->hbalock); | |
2869 | return -EACCES; | |
2870 | } | |
2871 | spin_unlock_irq(&phba->hbalock); | |
2872 | /* count may include a LF at end of string */ | |
2873 | if (buf[cnt-1] == '\n') | |
2874 | cnt--; | |
2875 | ||
2876 | if (!phba->soft_wwn_enable) | |
2877 | return -EINVAL; | |
2878 | ||
2879 | /* lock setting wwpn, wwnn down */ | |
2880 | phba->soft_wwn_enable = 0; | |
2881 | ||
2882 | rc = lpfc_wwn_set(buf, cnt, wwpn); | |
e2934ed1 | 2883 | if (rc) { |
352e5fd1 JS |
2884 | /* not able to set wwpn, unlock it */ |
2885 | phba->soft_wwn_enable = 1; | |
2886 | return rc; | |
2887 | } | |
2888 | ||
2889 | phba->cfg_soft_wwpn = wwn_to_u64(wwpn); | |
2890 | fc_host_port_name(shost) = phba->cfg_soft_wwpn; | |
2891 | if (phba->cfg_soft_wwnn) | |
2892 | fc_host_node_name(shost) = phba->cfg_soft_wwnn; | |
2893 | ||
2894 | dev_printk(KERN_NOTICE, &phba->pcidev->dev, | |
2895 | "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no); | |
2896 | ||
2897 | stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); | |
2898 | if (stat1) | |
2899 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2900 | "0463 lpfc_soft_wwpn attribute set failed to " | |
2901 | "reinit adapter - %d\n", stat1); | |
2902 | init_completion(&online_compl); | |
2903 | rc = lpfc_workq_post_event(phba, &stat2, &online_compl, | |
2904 | LPFC_EVT_ONLINE); | |
2905 | if (rc == 0) | |
2906 | return -ENOMEM; | |
2907 | ||
2908 | wait_for_completion(&online_compl); | |
2909 | if (stat2) | |
2910 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2911 | "0464 lpfc_soft_wwpn attribute set failed to " | |
2912 | "reinit adapter - %d\n", stat2); | |
2913 | return (stat1 || stat2) ? -EIO : count; | |
2914 | } | |
b6b996b6 | 2915 | static DEVICE_ATTR_RW(lpfc_soft_wwpn); |
352e5fd1 JS |
2916 | |
2917 | /** | |
2918 | * lpfc_soft_wwnn_show - Return the cfg soft ww node name for the adapter | |
2919 | * @dev: class device that is converted into a Scsi_host. | |
2920 | * @attr: device attribute, not used. | |
2921 | * @buf: on return contains the wwnn in hexadecimal. | |
2922 | * | |
2923 | * Returns: size of formatted string. | |
2924 | **/ | |
2925 | static ssize_t | |
2926 | lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr, | |
2927 | char *buf) | |
2928 | { | |
2929 | struct Scsi_Host *shost = class_to_shost(dev); | |
2930 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
e7f7b6f3 | 2931 | return scnprintf(buf, PAGE_SIZE, "0x%llx\n", |
352e5fd1 JS |
2932 | (unsigned long long)phba->cfg_soft_wwnn); |
2933 | } | |
2934 | ||
2935 | /** | |
2936 | * lpfc_soft_wwnn_store - sets the ww node name of the adapter | |
2937 | * @cdev: class device that is converted into a Scsi_host. | |
2938 | * @buf: contains the ww node name in hexadecimal. | |
2939 | * @count: number of wwnn bytes in buf. | |
2940 | * | |
2941 | * Returns: | |
2942 | * -EINVAL soft wwn not enabled, count is invalid, invalid wwnn byte invalid | |
2943 | * value of count on success | |
2944 | **/ | |
2945 | static ssize_t | |
2946 | lpfc_soft_wwnn_store(struct device *dev, struct device_attribute *attr, | |
2947 | const char *buf, size_t count) | |
2948 | { | |
2949 | struct Scsi_Host *shost = class_to_shost(dev); | |
2950 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
2951 | unsigned int cnt = count; | |
2952 | u8 wwnn[WWN_SZ]; | |
2953 | int rc; | |
2954 | ||
2955 | /* count may include a LF at end of string */ | |
2956 | if (buf[cnt-1] == '\n') | |
2957 | cnt--; | |
2958 | ||
2959 | if (!phba->soft_wwn_enable) | |
2960 | return -EINVAL; | |
2961 | ||
2962 | rc = lpfc_wwn_set(buf, cnt, wwnn); | |
e2934ed1 | 2963 | if (rc) { |
352e5fd1 JS |
2964 | /* Allow wwnn to be set many times, as long as the enable |
2965 | * is set. However, once the wwpn is set, everything locks. | |
2966 | */ | |
2967 | return rc; | |
2968 | } | |
2969 | ||
2970 | phba->cfg_soft_wwnn = wwn_to_u64(wwnn); | |
2971 | ||
2972 | dev_printk(KERN_NOTICE, &phba->pcidev->dev, | |
2973 | "lpfc%d: soft_wwnn set. Value will take effect upon " | |
2974 | "setting of the soft_wwpn\n", phba->brd_no); | |
2975 | ||
2976 | return count; | |
2977 | } | |
b6b996b6 | 2978 | static DEVICE_ATTR_RW(lpfc_soft_wwnn); |
a12e07bc | 2979 | |
1ba981fd JS |
2980 | /** |
2981 | * lpfc_oas_tgt_show - Return wwpn of target whose luns maybe enabled for | |
2982 | * Optimized Access Storage (OAS) operations. | |
2983 | * @dev: class device that is converted into a Scsi_host. | |
2984 | * @attr: device attribute, not used. | |
2985 | * @buf: buffer for passing information. | |
2986 | * | |
2987 | * Returns: | |
2988 | * value of count | |
2989 | **/ | |
2990 | static ssize_t | |
2991 | lpfc_oas_tgt_show(struct device *dev, struct device_attribute *attr, | |
2992 | char *buf) | |
2993 | { | |
2994 | struct Scsi_Host *shost = class_to_shost(dev); | |
2995 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
2996 | ||
e7f7b6f3 | 2997 | return scnprintf(buf, PAGE_SIZE, "0x%llx\n", |
1ba981fd JS |
2998 | wwn_to_u64(phba->cfg_oas_tgt_wwpn)); |
2999 | } | |
3000 | ||
3001 | /** | |
3002 | * lpfc_oas_tgt_store - Store wwpn of target whose luns maybe enabled for | |
3003 | * Optimized Access Storage (OAS) operations. | |
3004 | * @dev: class device that is converted into a Scsi_host. | |
3005 | * @attr: device attribute, not used. | |
3006 | * @buf: buffer for passing information. | |
3007 | * @count: Size of the data buffer. | |
3008 | * | |
3009 | * Returns: | |
3010 | * -EINVAL count is invalid, invalid wwpn byte invalid | |
3011 | * -EPERM oas is not supported by hba | |
3012 | * value of count on success | |
3013 | **/ | |
3014 | static ssize_t | |
3015 | lpfc_oas_tgt_store(struct device *dev, struct device_attribute *attr, | |
3016 | const char *buf, size_t count) | |
3017 | { | |
3018 | struct Scsi_Host *shost = class_to_shost(dev); | |
3019 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
3020 | unsigned int cnt = count; | |
3021 | uint8_t wwpn[WWN_SZ]; | |
3022 | int rc; | |
3023 | ||
f38fa0bb | 3024 | if (!phba->cfg_fof) |
1ba981fd JS |
3025 | return -EPERM; |
3026 | ||
3027 | /* count may include a LF at end of string */ | |
3028 | if (buf[cnt-1] == '\n') | |
3029 | cnt--; | |
3030 | ||
3031 | rc = lpfc_wwn_set(buf, cnt, wwpn); | |
3032 | if (rc) | |
3033 | return rc; | |
3034 | ||
3035 | memcpy(phba->cfg_oas_tgt_wwpn, wwpn, (8 * sizeof(uint8_t))); | |
3036 | memcpy(phba->sli4_hba.oas_next_tgt_wwpn, wwpn, (8 * sizeof(uint8_t))); | |
3037 | if (wwn_to_u64(wwpn) == 0) | |
3038 | phba->cfg_oas_flags |= OAS_FIND_ANY_TARGET; | |
3039 | else | |
3040 | phba->cfg_oas_flags &= ~OAS_FIND_ANY_TARGET; | |
3041 | phba->cfg_oas_flags &= ~OAS_LUN_VALID; | |
3042 | phba->sli4_hba.oas_next_lun = FIND_FIRST_OAS_LUN; | |
3043 | return count; | |
3044 | } | |
3045 | static DEVICE_ATTR(lpfc_xlane_tgt, S_IRUGO | S_IWUSR, | |
3046 | lpfc_oas_tgt_show, lpfc_oas_tgt_store); | |
3047 | ||
c92c841c JS |
3048 | /** |
3049 | * lpfc_oas_priority_show - Return wwpn of target whose luns maybe enabled for | |
3050 | * Optimized Access Storage (OAS) operations. | |
3051 | * @dev: class device that is converted into a Scsi_host. | |
3052 | * @attr: device attribute, not used. | |
3053 | * @buf: buffer for passing information. | |
3054 | * | |
3055 | * Returns: | |
3056 | * value of count | |
3057 | **/ | |
3058 | static ssize_t | |
3059 | lpfc_oas_priority_show(struct device *dev, struct device_attribute *attr, | |
3060 | char *buf) | |
3061 | { | |
3062 | struct Scsi_Host *shost = class_to_shost(dev); | |
3063 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
3064 | ||
e7f7b6f3 | 3065 | return scnprintf(buf, PAGE_SIZE, "%d\n", phba->cfg_oas_priority); |
c92c841c JS |
3066 | } |
3067 | ||
3068 | /** | |
3069 | * lpfc_oas_priority_store - Store wwpn of target whose luns maybe enabled for | |
3070 | * Optimized Access Storage (OAS) operations. | |
3071 | * @dev: class device that is converted into a Scsi_host. | |
3072 | * @attr: device attribute, not used. | |
3073 | * @buf: buffer for passing information. | |
3074 | * @count: Size of the data buffer. | |
3075 | * | |
3076 | * Returns: | |
3077 | * -EINVAL count is invalid, invalid wwpn byte invalid | |
3078 | * -EPERM oas is not supported by hba | |
3079 | * value of count on success | |
3080 | **/ | |
3081 | static ssize_t | |
3082 | lpfc_oas_priority_store(struct device *dev, struct device_attribute *attr, | |
3083 | const char *buf, size_t count) | |
3084 | { | |
3085 | struct Scsi_Host *shost = class_to_shost(dev); | |
3086 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
3087 | unsigned int cnt = count; | |
3088 | unsigned long val; | |
3089 | int ret; | |
3090 | ||
3091 | if (!phba->cfg_fof) | |
3092 | return -EPERM; | |
3093 | ||
3094 | /* count may include a LF at end of string */ | |
3095 | if (buf[cnt-1] == '\n') | |
3096 | cnt--; | |
3097 | ||
3098 | ret = kstrtoul(buf, 0, &val); | |
3099 | if (ret || (val > 0x7f)) | |
3100 | return -EINVAL; | |
3101 | ||
3102 | if (val) | |
3103 | phba->cfg_oas_priority = (uint8_t)val; | |
3104 | else | |
3105 | phba->cfg_oas_priority = phba->cfg_XLanePriority; | |
3106 | return count; | |
3107 | } | |
3108 | static DEVICE_ATTR(lpfc_xlane_priority, S_IRUGO | S_IWUSR, | |
3109 | lpfc_oas_priority_show, lpfc_oas_priority_store); | |
3110 | ||
1ba981fd JS |
3111 | /** |
3112 | * lpfc_oas_vpt_show - Return wwpn of vport whose targets maybe enabled | |
3113 | * for Optimized Access Storage (OAS) operations. | |
3114 | * @dev: class device that is converted into a Scsi_host. | |
3115 | * @attr: device attribute, not used. | |
3116 | * @buf: buffer for passing information. | |
3117 | * | |
3118 | * Returns: | |
3119 | * value of count on success | |
3120 | **/ | |
3121 | static ssize_t | |
3122 | lpfc_oas_vpt_show(struct device *dev, struct device_attribute *attr, | |
3123 | char *buf) | |
3124 | { | |
3125 | struct Scsi_Host *shost = class_to_shost(dev); | |
3126 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
3127 | ||
e7f7b6f3 | 3128 | return scnprintf(buf, PAGE_SIZE, "0x%llx\n", |
1ba981fd JS |
3129 | wwn_to_u64(phba->cfg_oas_vpt_wwpn)); |
3130 | } | |
3131 | ||
3132 | /** | |
3133 | * lpfc_oas_vpt_store - Store wwpn of vport whose targets maybe enabled | |
3134 | * for Optimized Access Storage (OAS) operations. | |
3135 | * @dev: class device that is converted into a Scsi_host. | |
3136 | * @attr: device attribute, not used. | |
3137 | * @buf: buffer for passing information. | |
3138 | * @count: Size of the data buffer. | |
3139 | * | |
3140 | * Returns: | |
3141 | * -EINVAL count is invalid, invalid wwpn byte invalid | |
3142 | * -EPERM oas is not supported by hba | |
3143 | * value of count on success | |
3144 | **/ | |
3145 | static ssize_t | |
3146 | lpfc_oas_vpt_store(struct device *dev, struct device_attribute *attr, | |
3147 | const char *buf, size_t count) | |
3148 | { | |
3149 | struct Scsi_Host *shost = class_to_shost(dev); | |
3150 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
3151 | unsigned int cnt = count; | |
3152 | uint8_t wwpn[WWN_SZ]; | |
3153 | int rc; | |
3154 | ||
f38fa0bb | 3155 | if (!phba->cfg_fof) |
1ba981fd JS |
3156 | return -EPERM; |
3157 | ||
3158 | /* count may include a LF at end of string */ | |
3159 | if (buf[cnt-1] == '\n') | |
3160 | cnt--; | |
3161 | ||
3162 | rc = lpfc_wwn_set(buf, cnt, wwpn); | |
3163 | if (rc) | |
3164 | return rc; | |
3165 | ||
3166 | memcpy(phba->cfg_oas_vpt_wwpn, wwpn, (8 * sizeof(uint8_t))); | |
3167 | memcpy(phba->sli4_hba.oas_next_vpt_wwpn, wwpn, (8 * sizeof(uint8_t))); | |
3168 | if (wwn_to_u64(wwpn) == 0) | |
3169 | phba->cfg_oas_flags |= OAS_FIND_ANY_VPORT; | |
3170 | else | |
3171 | phba->cfg_oas_flags &= ~OAS_FIND_ANY_VPORT; | |
3172 | phba->cfg_oas_flags &= ~OAS_LUN_VALID; | |
b5749fe1 JS |
3173 | if (phba->cfg_oas_priority == 0) |
3174 | phba->cfg_oas_priority = phba->cfg_XLanePriority; | |
1ba981fd JS |
3175 | phba->sli4_hba.oas_next_lun = FIND_FIRST_OAS_LUN; |
3176 | return count; | |
3177 | } | |
3178 | static DEVICE_ATTR(lpfc_xlane_vpt, S_IRUGO | S_IWUSR, | |
3179 | lpfc_oas_vpt_show, lpfc_oas_vpt_store); | |
3180 | ||
3181 | /** | |
3182 | * lpfc_oas_lun_state_show - Return the current state (enabled or disabled) | |
3183 | * of whether luns will be enabled or disabled | |
3184 | * for Optimized Access Storage (OAS) operations. | |
3185 | * @dev: class device that is converted into a Scsi_host. | |
3186 | * @attr: device attribute, not used. | |
3187 | * @buf: buffer for passing information. | |
3188 | * | |
3189 | * Returns: | |
3190 | * size of formatted string. | |
3191 | **/ | |
3192 | static ssize_t | |
3193 | lpfc_oas_lun_state_show(struct device *dev, struct device_attribute *attr, | |
3194 | char *buf) | |
3195 | { | |
3196 | struct Scsi_Host *shost = class_to_shost(dev); | |
3197 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
3198 | ||
e7f7b6f3 | 3199 | return scnprintf(buf, PAGE_SIZE, "%d\n", phba->cfg_oas_lun_state); |
1ba981fd JS |
3200 | } |
3201 | ||
3202 | /** | |
3203 | * lpfc_oas_lun_state_store - Store the state (enabled or disabled) | |
3204 | * of whether luns will be enabled or disabled | |
3205 | * for Optimized Access Storage (OAS) operations. | |
3206 | * @dev: class device that is converted into a Scsi_host. | |
3207 | * @attr: device attribute, not used. | |
3208 | * @buf: buffer for passing information. | |
3209 | * @count: Size of the data buffer. | |
3210 | * | |
3211 | * Returns: | |
3212 | * -EINVAL count is invalid, invalid wwpn byte invalid | |
3213 | * -EPERM oas is not supported by hba | |
3214 | * value of count on success | |
3215 | **/ | |
3216 | static ssize_t | |
3217 | lpfc_oas_lun_state_store(struct device *dev, struct device_attribute *attr, | |
3218 | const char *buf, size_t count) | |
3219 | { | |
3220 | struct Scsi_Host *shost = class_to_shost(dev); | |
3221 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
3222 | int val = 0; | |
3223 | ||
f38fa0bb | 3224 | if (!phba->cfg_fof) |
1ba981fd JS |
3225 | return -EPERM; |
3226 | ||
3227 | if (!isdigit(buf[0])) | |
3228 | return -EINVAL; | |
3229 | ||
3230 | if (sscanf(buf, "%i", &val) != 1) | |
3231 | return -EINVAL; | |
3232 | ||
3233 | if ((val != 0) && (val != 1)) | |
3234 | return -EINVAL; | |
3235 | ||
3236 | phba->cfg_oas_lun_state = val; | |
1ba981fd JS |
3237 | return strlen(buf); |
3238 | } | |
3239 | static DEVICE_ATTR(lpfc_xlane_lun_state, S_IRUGO | S_IWUSR, | |
3240 | lpfc_oas_lun_state_show, lpfc_oas_lun_state_store); | |
3241 | ||
3242 | /** | |
3243 | * lpfc_oas_lun_status_show - Return the status of the Optimized Access | |
3244 | * Storage (OAS) lun returned by the | |
3245 | * lpfc_oas_lun_show function. | |
3246 | * @dev: class device that is converted into a Scsi_host. | |
3247 | * @attr: device attribute, not used. | |
3248 | * @buf: buffer for passing information. | |
3249 | * | |
3250 | * Returns: | |
3251 | * size of formatted string. | |
3252 | **/ | |
3253 | static ssize_t | |
3254 | lpfc_oas_lun_status_show(struct device *dev, struct device_attribute *attr, | |
3255 | char *buf) | |
3256 | { | |
3257 | struct Scsi_Host *shost = class_to_shost(dev); | |
3258 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
3259 | ||
3260 | if (!(phba->cfg_oas_flags & OAS_LUN_VALID)) | |
3261 | return -EFAULT; | |
3262 | ||
e7f7b6f3 | 3263 | return scnprintf(buf, PAGE_SIZE, "%d\n", phba->cfg_oas_lun_status); |
1ba981fd JS |
3264 | } |
3265 | static DEVICE_ATTR(lpfc_xlane_lun_status, S_IRUGO, | |
3266 | lpfc_oas_lun_status_show, NULL); | |
3267 | ||
3268 | ||
3269 | /** | |
3270 | * lpfc_oas_lun_state_set - enable or disable a lun for Optimized Access Storage | |
3271 | * (OAS) operations. | |
3272 | * @phba: lpfc_hba pointer. | |
3273 | * @ndlp: pointer to fcp target node. | |
3274 | * @lun: the fc lun for setting oas state. | |
3275 | * @oas_state: the oas state to be set to the lun. | |
3276 | * | |
3277 | * Returns: | |
3278 | * SUCCESS : 0 | |
3279 | * -EPERM OAS is not enabled or not supported by this port. | |
3280 | * | |
3281 | */ | |
3282 | static size_t | |
3283 | lpfc_oas_lun_state_set(struct lpfc_hba *phba, uint8_t vpt_wwpn[], | |
c92c841c JS |
3284 | uint8_t tgt_wwpn[], uint64_t lun, |
3285 | uint32_t oas_state, uint8_t pri) | |
1ba981fd JS |
3286 | { |
3287 | ||
3288 | int rc = 0; | |
3289 | ||
f38fa0bb | 3290 | if (!phba->cfg_fof) |
1ba981fd JS |
3291 | return -EPERM; |
3292 | ||
3293 | if (oas_state) { | |
3294 | if (!lpfc_enable_oas_lun(phba, (struct lpfc_name *)vpt_wwpn, | |
c92c841c JS |
3295 | (struct lpfc_name *)tgt_wwpn, |
3296 | lun, pri)) | |
1ba981fd JS |
3297 | rc = -ENOMEM; |
3298 | } else { | |
3299 | lpfc_disable_oas_lun(phba, (struct lpfc_name *)vpt_wwpn, | |
b5749fe1 | 3300 | (struct lpfc_name *)tgt_wwpn, lun, pri); |
1ba981fd JS |
3301 | } |
3302 | return rc; | |
3303 | ||
3304 | } | |
3305 | ||
3306 | /** | |
3307 | * lpfc_oas_lun_get_next - get the next lun that has been enabled for Optimized | |
3308 | * Access Storage (OAS) operations. | |
3309 | * @phba: lpfc_hba pointer. | |
3310 | * @vpt_wwpn: wwpn of the vport associated with the returned lun | |
3311 | * @tgt_wwpn: wwpn of the target associated with the returned lun | |
3312 | * @lun_status: status of the lun returned lun | |
3313 | * | |
3314 | * Returns the first or next lun enabled for OAS operations for the vport/target | |
3315 | * specified. If a lun is found, its vport wwpn, target wwpn and status is | |
3316 | * returned. If the lun is not found, NOT_OAS_ENABLED_LUN is returned. | |
3317 | * | |
3318 | * Return: | |
3319 | * lun that is OAS enabled for the vport/target | |
3320 | * NOT_OAS_ENABLED_LUN when no oas enabled lun found. | |
3321 | */ | |
3322 | static uint64_t | |
3323 | lpfc_oas_lun_get_next(struct lpfc_hba *phba, uint8_t vpt_wwpn[], | |
b5749fe1 JS |
3324 | uint8_t tgt_wwpn[], uint32_t *lun_status, |
3325 | uint32_t *lun_pri) | |
1ba981fd JS |
3326 | { |
3327 | uint64_t found_lun; | |
3328 | ||
3329 | if (unlikely(!phba) || !vpt_wwpn || !tgt_wwpn) | |
3330 | return NOT_OAS_ENABLED_LUN; | |
3331 | if (lpfc_find_next_oas_lun(phba, (struct lpfc_name *) | |
3332 | phba->sli4_hba.oas_next_vpt_wwpn, | |
3333 | (struct lpfc_name *) | |
3334 | phba->sli4_hba.oas_next_tgt_wwpn, | |
3335 | &phba->sli4_hba.oas_next_lun, | |
3336 | (struct lpfc_name *)vpt_wwpn, | |
3337 | (struct lpfc_name *)tgt_wwpn, | |
b5749fe1 | 3338 | &found_lun, lun_status, lun_pri)) |
1ba981fd JS |
3339 | return found_lun; |
3340 | else | |
3341 | return NOT_OAS_ENABLED_LUN; | |
3342 | } | |
3343 | ||
3344 | /** | |
3345 | * lpfc_oas_lun_state_change - enable/disable a lun for OAS operations | |
3346 | * @phba: lpfc_hba pointer. | |
3347 | * @vpt_wwpn: vport wwpn by reference. | |
3348 | * @tgt_wwpn: target wwpn by reference. | |
3349 | * @lun: the fc lun for setting oas state. | |
3350 | * @oas_state: the oas state to be set to the oas_lun. | |
3351 | * | |
3352 | * This routine enables (OAS_LUN_ENABLE) or disables (OAS_LUN_DISABLE) | |
3353 | * a lun for OAS operations. | |
3354 | * | |
3355 | * Return: | |
3356 | * SUCCESS: 0 | |
3357 | * -ENOMEM: failed to enable an lun for OAS operations | |
3358 | * -EPERM: OAS is not enabled | |
3359 | */ | |
3360 | static ssize_t | |
3361 | lpfc_oas_lun_state_change(struct lpfc_hba *phba, uint8_t vpt_wwpn[], | |
3362 | uint8_t tgt_wwpn[], uint64_t lun, | |
c92c841c | 3363 | uint32_t oas_state, uint8_t pri) |
1ba981fd JS |
3364 | { |
3365 | ||
3366 | int rc; | |
3367 | ||
3368 | rc = lpfc_oas_lun_state_set(phba, vpt_wwpn, tgt_wwpn, lun, | |
c92c841c | 3369 | oas_state, pri); |
1ba981fd JS |
3370 | return rc; |
3371 | } | |
3372 | ||
3373 | /** | |
3374 | * lpfc_oas_lun_show - Return oas enabled luns from a chosen target | |
3375 | * @dev: class device that is converted into a Scsi_host. | |
3376 | * @attr: device attribute, not used. | |
3377 | * @buf: buffer for passing information. | |
3378 | * | |
3379 | * This routine returns a lun enabled for OAS each time the function | |
3380 | * is called. | |
3381 | * | |
3382 | * Returns: | |
3383 | * SUCCESS: size of formatted string. | |
3384 | * -EFAULT: target or vport wwpn was not set properly. | |
3385 | * -EPERM: oas is not enabled. | |
3386 | **/ | |
3387 | static ssize_t | |
3388 | lpfc_oas_lun_show(struct device *dev, struct device_attribute *attr, | |
3389 | char *buf) | |
3390 | { | |
3391 | struct Scsi_Host *shost = class_to_shost(dev); | |
3392 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
3393 | ||
3394 | uint64_t oas_lun; | |
3395 | int len = 0; | |
3396 | ||
f38fa0bb | 3397 | if (!phba->cfg_fof) |
1ba981fd JS |
3398 | return -EPERM; |
3399 | ||
3400 | if (wwn_to_u64(phba->cfg_oas_vpt_wwpn) == 0) | |
3401 | if (!(phba->cfg_oas_flags & OAS_FIND_ANY_VPORT)) | |
3402 | return -EFAULT; | |
3403 | ||
3404 | if (wwn_to_u64(phba->cfg_oas_tgt_wwpn) == 0) | |
3405 | if (!(phba->cfg_oas_flags & OAS_FIND_ANY_TARGET)) | |
3406 | return -EFAULT; | |
3407 | ||
3408 | oas_lun = lpfc_oas_lun_get_next(phba, phba->cfg_oas_vpt_wwpn, | |
3409 | phba->cfg_oas_tgt_wwpn, | |
b5749fe1 JS |
3410 | &phba->cfg_oas_lun_status, |
3411 | &phba->cfg_oas_priority); | |
1ba981fd JS |
3412 | if (oas_lun != NOT_OAS_ENABLED_LUN) |
3413 | phba->cfg_oas_flags |= OAS_LUN_VALID; | |
3414 | ||
e7f7b6f3 | 3415 | len += scnprintf(buf + len, PAGE_SIZE-len, "0x%llx", oas_lun); |
1ba981fd JS |
3416 | |
3417 | return len; | |
3418 | } | |
3419 | ||
3420 | /** | |
3421 | * lpfc_oas_lun_store - Sets the OAS state for lun | |
3422 | * @dev: class device that is converted into a Scsi_host. | |
3423 | * @attr: device attribute, not used. | |
3424 | * @buf: buffer for passing information. | |
3425 | * | |
3426 | * This function sets the OAS state for lun. Before this function is called, | |
3427 | * the vport wwpn, target wwpn, and oas state need to be set. | |
3428 | * | |
3429 | * Returns: | |
3430 | * SUCCESS: size of formatted string. | |
3431 | * -EFAULT: target or vport wwpn was not set properly. | |
3432 | * -EPERM: oas is not enabled. | |
3433 | * size of formatted string. | |
3434 | **/ | |
3435 | static ssize_t | |
3436 | lpfc_oas_lun_store(struct device *dev, struct device_attribute *attr, | |
3437 | const char *buf, size_t count) | |
3438 | { | |
3439 | struct Scsi_Host *shost = class_to_shost(dev); | |
3440 | struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; | |
3441 | uint64_t scsi_lun; | |
b5749fe1 | 3442 | uint32_t pri; |
1ba981fd JS |
3443 | ssize_t rc; |
3444 | ||
f38fa0bb | 3445 | if (!phba->cfg_fof) |
1ba981fd JS |
3446 | return -EPERM; |
3447 | ||
3448 | if (wwn_to_u64(phba->cfg_oas_vpt_wwpn) == 0) | |
3449 | return -EFAULT; | |
3450 | ||
3451 | if (wwn_to_u64(phba->cfg_oas_tgt_wwpn) == 0) | |
3452 | return -EFAULT; | |
3453 | ||
3454 | if (!isdigit(buf[0])) | |
3455 | return -EINVAL; | |
3456 | ||
3457 | if (sscanf(buf, "0x%llx", &scsi_lun) != 1) | |
3458 | return -EINVAL; | |
3459 | ||
b5749fe1 JS |
3460 | pri = phba->cfg_oas_priority; |
3461 | if (pri == 0) | |
3462 | pri = phba->cfg_XLanePriority; | |
3463 | ||
1ba981fd | 3464 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
c92c841c JS |
3465 | "3372 Try to set vport 0x%llx target 0x%llx lun:0x%llx " |
3466 | "priority 0x%x with oas state %d\n", | |
1ba981fd JS |
3467 | wwn_to_u64(phba->cfg_oas_vpt_wwpn), |
3468 | wwn_to_u64(phba->cfg_oas_tgt_wwpn), scsi_lun, | |
b5749fe1 | 3469 | pri, phba->cfg_oas_lun_state); |
1ba981fd JS |
3470 | |
3471 | rc = lpfc_oas_lun_state_change(phba, phba->cfg_oas_vpt_wwpn, | |
c92c841c | 3472 | phba->cfg_oas_tgt_wwpn, scsi_lun, |
b5749fe1 | 3473 | phba->cfg_oas_lun_state, pri); |
1ba981fd JS |
3474 | if (rc) |
3475 | return rc; | |
3476 | ||
3477 | return count; | |
3478 | } | |
3479 | static DEVICE_ATTR(lpfc_xlane_lun, S_IRUGO | S_IWUSR, | |
3480 | lpfc_oas_lun_show, lpfc_oas_lun_store); | |
c3f28afa | 3481 | |
f358dd0c JS |
3482 | int lpfc_enable_nvmet_cnt; |
3483 | unsigned long long lpfc_enable_nvmet[LPFC_NVMET_MAX_PORTS] = { | |
3484 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
3485 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; | |
3486 | module_param_array(lpfc_enable_nvmet, ullong, &lpfc_enable_nvmet_cnt, 0444); | |
3487 | MODULE_PARM_DESC(lpfc_enable_nvmet, "Enable HBA port(s) WWPN as a NVME Target"); | |
3488 | ||
875fbdfe | 3489 | static int lpfc_poll = 0; |
ab56dc2e | 3490 | module_param(lpfc_poll, int, S_IRUGO); |
875fbdfe JSEC |
3491 | MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:" |
3492 | " 0 - none," | |
3493 | " 1 - poll with interrupts enabled" | |
3494 | " 3 - poll and disable FCP ring interrupts"); | |
3495 | ||
b6b996b6 | 3496 | static DEVICE_ATTR_RW(lpfc_poll); |
dea3101e | 3497 | |
96418b5e JS |
3498 | int lpfc_no_hba_reset_cnt; |
3499 | unsigned long lpfc_no_hba_reset[MAX_HBAS_NO_RESET] = { | |
3500 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; | |
3501 | module_param_array(lpfc_no_hba_reset, ulong, &lpfc_no_hba_reset_cnt, 0444); | |
3502 | MODULE_PARM_DESC(lpfc_no_hba_reset, "WWPN of HBAs that should not be reset"); | |
3503 | ||
12247e81 JS |
3504 | LPFC_ATTR(sli_mode, 0, 0, 3, |
3505 | "SLI mode selector:" | |
3506 | " 0 - auto (SLI-3 if supported)," | |
3507 | " 2 - select SLI-2 even on SLI-3 capable HBAs," | |
3508 | " 3 - select SLI-3"); | |
92d7f7b0 | 3509 | |
458c083e JS |
3510 | LPFC_ATTR_R(enable_npiv, 1, 0, 1, |
3511 | "Enable NPIV functionality"); | |
92d7f7b0 | 3512 | |
7d791df7 JS |
3513 | LPFC_ATTR_R(fcf_failover_policy, 1, 1, 2, |
3514 | "FCF Fast failover=1 Priority failover=2"); | |
3515 | ||
e5771b4d JS |
3516 | /* |
3517 | # lpfc_enable_rrq: Track XRI/OXID reuse after IO failures | |
3518 | # 0x0 = disabled, XRI/OXID use not tracked. | |
3519 | # 0x1 = XRI/OXID reuse is timed with ratov, RRQ sent. | |
3520 | # 0x2 = XRI/OXID reuse is timed with ratov, No RRQ sent. | |
3521 | */ | |
31202b0e JS |
3522 | LPFC_ATTR_R(enable_rrq, 2, 0, 2, |
3523 | "Enable RRQ functionality"); | |
19ca7609 | 3524 | |
84d1b006 JS |
3525 | /* |
3526 | # lpfc_suppress_link_up: Bring link up at initialization | |
3527 | # 0x0 = bring link up (issue MBX_INIT_LINK) | |
3528 | # 0x1 = do NOT bring link up at initialization(MBX_INIT_LINK) | |
3529 | # 0x2 = never bring up link | |
3530 | # Default value is 0. | |
3531 | */ | |
e40a02c1 JS |
3532 | LPFC_ATTR_R(suppress_link_up, LPFC_INITIALIZE_LINK, LPFC_INITIALIZE_LINK, |
3533 | LPFC_DELAY_INIT_LINK_INDEFINITELY, | |
3534 | "Suppress Link Up at initialization"); | |
2a9bf3d0 JS |
3535 | /* |
3536 | # lpfc_cnt: Number of IOCBs allocated for ELS, CT, and ABTS | |
3537 | # 1 - (1024) | |
3538 | # 2 - (2048) | |
3539 | # 3 - (3072) | |
3540 | # 4 - (4096) | |
3541 | # 5 - (5120) | |
3542 | */ | |
3543 | static ssize_t | |
3544 | lpfc_iocb_hw_show(struct device *dev, struct device_attribute *attr, char *buf) | |
3545 | { | |
3546 | struct Scsi_Host *shost = class_to_shost(dev); | |
3547 | struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; | |
3548 | ||
e7f7b6f3 | 3549 | return scnprintf(buf, PAGE_SIZE, "%d\n", phba->iocb_max); |
2a9bf3d0 JS |
3550 | } |
3551 | ||
3552 | static DEVICE_ATTR(iocb_hw, S_IRUGO, | |
3553 | lpfc_iocb_hw_show, NULL); | |
3554 | static ssize_t | |
3555 | lpfc_txq_hw_show(struct device *dev, struct device_attribute *attr, char *buf) | |
3556 | { | |
3557 | struct Scsi_Host *shost = class_to_shost(dev); | |
3558 | struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; | |
895427bd | 3559 | struct lpfc_sli_ring *pring = lpfc_phba_elsring(phba); |
2a9bf3d0 | 3560 | |
e7f7b6f3 | 3561 | return scnprintf(buf, PAGE_SIZE, "%d\n", |
1234a6d5 | 3562 | pring ? pring->txq_max : 0); |
2a9bf3d0 JS |
3563 | } |
3564 | ||
3565 | static DEVICE_ATTR(txq_hw, S_IRUGO, | |
3566 | lpfc_txq_hw_show, NULL); | |
3567 | static ssize_t | |
3568 | lpfc_txcmplq_hw_show(struct device *dev, struct device_attribute *attr, | |
3569 | char *buf) | |
3570 | { | |
3571 | struct Scsi_Host *shost = class_to_shost(dev); | |
3572 | struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; | |
895427bd | 3573 | struct lpfc_sli_ring *pring = lpfc_phba_elsring(phba); |
2a9bf3d0 | 3574 | |
e7f7b6f3 | 3575 | return scnprintf(buf, PAGE_SIZE, "%d\n", |
1234a6d5 | 3576 | pring ? pring->txcmplq_max : 0); |
2a9bf3d0 JS |
3577 | } |
3578 | ||
3579 | static DEVICE_ATTR(txcmplq_hw, S_IRUGO, | |
3580 | lpfc_txcmplq_hw_show, NULL); | |
3581 | ||
0d8c8ba3 | 3582 | LPFC_ATTR_R(iocb_cnt, 2, 1, 5, |
2a9bf3d0 | 3583 | "Number of IOCBs alloc for ELS, CT, and ABTS: 1k to 5k IOCBs"); |
84d1b006 | 3584 | |
c01f3208 JS |
3585 | /* |
3586 | # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear | |
3587 | # until the timer expires. Value range is [0,255]. Default value is 30. | |
3588 | */ | |
3589 | static int lpfc_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; | |
3590 | static int lpfc_devloss_tmo = LPFC_DEF_DEVLOSS_TMO; | |
3591 | module_param(lpfc_nodev_tmo, int, 0); | |
3592 | MODULE_PARM_DESC(lpfc_nodev_tmo, | |
3593 | "Seconds driver will hold I/O waiting " | |
3594 | "for a device to come back"); | |
e59058c4 JS |
3595 | |
3596 | /** | |
3621a710 | 3597 | * lpfc_nodev_tmo_show - Return the hba dev loss timeout value |
e59058c4 JS |
3598 | * @dev: class converted to a Scsi_host structure. |
3599 | * @attr: device attribute, not used. | |
3600 | * @buf: on return contains the dev loss timeout in decimal. | |
3601 | * | |
3602 | * Returns: size of formatted string. | |
3603 | **/ | |
c01f3208 | 3604 | static ssize_t |
ee959b00 TJ |
3605 | lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr, |
3606 | char *buf) | |
c01f3208 | 3607 | { |
ee959b00 | 3608 | struct Scsi_Host *shost = class_to_shost(dev); |
2e0fef85 | 3609 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
e40a02c1 | 3610 | |
e7f7b6f3 | 3611 | return scnprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_devloss_tmo); |
c01f3208 JS |
3612 | } |
3613 | ||
e59058c4 | 3614 | /** |
3621a710 | 3615 | * lpfc_nodev_tmo_init - Set the hba nodev timeout value |
e59058c4 JS |
3616 | * @vport: lpfc vport structure pointer. |
3617 | * @val: contains the nodev timeout value. | |
3618 | * | |
3619 | * Description: | |
3620 | * If the devloss tmo is already set then nodev tmo is set to devloss tmo, | |
3621 | * a kernel error message is printed and zero is returned. | |
3622 | * Else if val is in range then nodev tmo and devloss tmo are set to val. | |
3623 | * Otherwise nodev tmo is set to the default value. | |
3624 | * | |
3625 | * Returns: | |
3626 | * zero if already set or if val is in range | |
3627 | * -EINVAL val out of range | |
3628 | **/ | |
c01f3208 | 3629 | static int |
3de2a653 JS |
3630 | lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val) |
3631 | { | |
3632 | if (vport->cfg_devloss_tmo != LPFC_DEF_DEVLOSS_TMO) { | |
3633 | vport->cfg_nodev_tmo = vport->cfg_devloss_tmo; | |
3634 | if (val != LPFC_DEF_DEVLOSS_TMO) | |
e8b62011 | 3635 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
6c86068d JS |
3636 | "0407 Ignoring lpfc_nodev_tmo module " |
3637 | "parameter because lpfc_devloss_tmo " | |
3638 | "is set.\n"); | |
c01f3208 JS |
3639 | return 0; |
3640 | } | |
3641 | ||
3642 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { | |
3de2a653 JS |
3643 | vport->cfg_nodev_tmo = val; |
3644 | vport->cfg_devloss_tmo = val; | |
c01f3208 JS |
3645 | return 0; |
3646 | } | |
e8b62011 JS |
3647 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
3648 | "0400 lpfc_nodev_tmo attribute cannot be set to" | |
3649 | " %d, allowed range is [%d, %d]\n", | |
3650 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
3de2a653 | 3651 | vport->cfg_nodev_tmo = LPFC_DEF_DEVLOSS_TMO; |
c01f3208 JS |
3652 | return -EINVAL; |
3653 | } | |
3654 | ||
e59058c4 | 3655 | /** |
3621a710 | 3656 | * lpfc_update_rport_devloss_tmo - Update dev loss tmo value |
e59058c4 JS |
3657 | * @vport: lpfc vport structure pointer. |
3658 | * | |
3659 | * Description: | |
3660 | * Update all the ndlp's dev loss tmo with the vport devloss tmo value. | |
3661 | **/ | |
7054a606 | 3662 | static void |
3de2a653 | 3663 | lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport) |
7054a606 | 3664 | { |
858c9f6c | 3665 | struct Scsi_Host *shost; |
7054a606 | 3666 | struct lpfc_nodelist *ndlp; |
01466024 JS |
3667 | #if (IS_ENABLED(CONFIG_NVME_FC)) |
3668 | struct lpfc_nvme_rport *rport; | |
9e210178 | 3669 | struct nvme_fc_remote_port *remoteport = NULL; |
01466024 | 3670 | #endif |
7054a606 | 3671 | |
51ef4c26 JS |
3672 | shost = lpfc_shost_from_vport(vport); |
3673 | spin_lock_irq(shost->host_lock); | |
7a06dcd3 JS |
3674 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
3675 | if (!NLP_CHK_NODE_ACT(ndlp)) | |
3676 | continue; | |
3677 | if (ndlp->rport) | |
51ef4c26 | 3678 | ndlp->rport->dev_loss_tmo = vport->cfg_devloss_tmo; |
6ddcf0a3 | 3679 | #if (IS_ENABLED(CONFIG_NVME_FC)) |
9e210178 | 3680 | spin_lock(&vport->phba->hbalock); |
01466024 JS |
3681 | rport = lpfc_ndlp_get_nrport(ndlp); |
3682 | if (rport) | |
9e210178 JS |
3683 | remoteport = rport->remoteport; |
3684 | spin_unlock(&vport->phba->hbalock); | |
3685 | if (remoteport) | |
01466024 | 3686 | nvme_fc_set_remoteport_devloss(rport->remoteport, |
6ddcf0a3 JS |
3687 | vport->cfg_devloss_tmo); |
3688 | #endif | |
7a06dcd3 | 3689 | } |
51ef4c26 | 3690 | spin_unlock_irq(shost->host_lock); |
7054a606 JS |
3691 | } |
3692 | ||
e59058c4 | 3693 | /** |
3621a710 | 3694 | * lpfc_nodev_tmo_set - Set the vport nodev tmo and devloss tmo values |
e59058c4 JS |
3695 | * @vport: lpfc vport structure pointer. |
3696 | * @val: contains the tmo value. | |
3697 | * | |
3698 | * Description: | |
3699 | * If the devloss tmo is already set or the vport dev loss tmo has changed | |
3700 | * then a kernel error message is printed and zero is returned. | |
3701 | * Else if val is in range then nodev tmo and devloss tmo are set to val. | |
3702 | * Otherwise nodev tmo is set to the default value. | |
3703 | * | |
3704 | * Returns: | |
3705 | * zero if already set or if val is in range | |
3706 | * -EINVAL val out of range | |
3707 | **/ | |
c01f3208 | 3708 | static int |
3de2a653 | 3709 | lpfc_nodev_tmo_set(struct lpfc_vport *vport, int val) |
c01f3208 | 3710 | { |
3de2a653 JS |
3711 | if (vport->dev_loss_tmo_changed || |
3712 | (lpfc_devloss_tmo != LPFC_DEF_DEVLOSS_TMO)) { | |
e8b62011 | 3713 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
6c86068d JS |
3714 | "0401 Ignoring change to lpfc_nodev_tmo " |
3715 | "because lpfc_devloss_tmo is set.\n"); | |
c01f3208 JS |
3716 | return 0; |
3717 | } | |
c01f3208 | 3718 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { |
3de2a653 JS |
3719 | vport->cfg_nodev_tmo = val; |
3720 | vport->cfg_devloss_tmo = val; | |
0af5d708 MC |
3721 | /* |
3722 | * For compat: set the fc_host dev loss so new rports | |
3723 | * will get the value. | |
3724 | */ | |
3725 | fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport)) = val; | |
3de2a653 | 3726 | lpfc_update_rport_devloss_tmo(vport); |
c01f3208 JS |
3727 | return 0; |
3728 | } | |
e8b62011 | 3729 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
6c86068d | 3730 | "0403 lpfc_nodev_tmo attribute cannot be set to " |
e8b62011 JS |
3731 | "%d, allowed range is [%d, %d]\n", |
3732 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); | |
c01f3208 JS |
3733 | return -EINVAL; |
3734 | } | |
3735 | ||
3de2a653 | 3736 | lpfc_vport_param_store(nodev_tmo) |
c01f3208 | 3737 | |
b6b996b6 | 3738 | static DEVICE_ATTR_RW(lpfc_nodev_tmo); |
c01f3208 JS |
3739 | |
3740 | /* | |
3741 | # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that | |
3742 | # disappear until the timer expires. Value range is [0,255]. Default | |
3743 | # value is 30. | |
3744 | */ | |
ab56dc2e | 3745 | module_param(lpfc_devloss_tmo, int, S_IRUGO); |
c01f3208 JS |
3746 | MODULE_PARM_DESC(lpfc_devloss_tmo, |
3747 | "Seconds driver will hold I/O waiting " | |
3748 | "for a device to come back"); | |
3de2a653 JS |
3749 | lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO, |
3750 | LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO) | |
3751 | lpfc_vport_param_show(devloss_tmo) | |
e59058c4 JS |
3752 | |
3753 | /** | |
3621a710 | 3754 | * lpfc_devloss_tmo_set - Sets vport nodev tmo, devloss tmo values, changed bit |
e59058c4 JS |
3755 | * @vport: lpfc vport structure pointer. |
3756 | * @val: contains the tmo value. | |
3757 | * | |
3758 | * Description: | |
3759 | * If val is in a valid range then set the vport nodev tmo, | |
3760 | * devloss tmo, also set the vport dev loss tmo changed flag. | |
3761 | * Else a kernel error message is printed. | |
3762 | * | |
3763 | * Returns: | |
3764 | * zero if val is in range | |
3765 | * -EINVAL val out of range | |
3766 | **/ | |
c01f3208 | 3767 | static int |
3de2a653 | 3768 | lpfc_devloss_tmo_set(struct lpfc_vport *vport, int val) |
c01f3208 JS |
3769 | { |
3770 | if (val >= LPFC_MIN_DEVLOSS_TMO && val <= LPFC_MAX_DEVLOSS_TMO) { | |
3de2a653 JS |
3771 | vport->cfg_nodev_tmo = val; |
3772 | vport->cfg_devloss_tmo = val; | |
3773 | vport->dev_loss_tmo_changed = 1; | |
0af5d708 | 3774 | fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport)) = val; |
3de2a653 | 3775 | lpfc_update_rport_devloss_tmo(vport); |
c01f3208 JS |
3776 | return 0; |
3777 | } | |
3778 | ||
e8b62011 | 3779 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
6c86068d JS |
3780 | "0404 lpfc_devloss_tmo attribute cannot be set to " |
3781 | "%d, allowed range is [%d, %d]\n", | |
e8b62011 | 3782 | val, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO); |
c01f3208 JS |
3783 | return -EINVAL; |
3784 | } | |
3785 | ||
3de2a653 | 3786 | lpfc_vport_param_store(devloss_tmo) |
b6b996b6 | 3787 | static DEVICE_ATTR_RW(lpfc_devloss_tmo); |
c01f3208 | 3788 | |
f358dd0c JS |
3789 | /* |
3790 | * lpfc_suppress_rsp: Enable suppress rsp feature is firmware supports it | |
3791 | * lpfc_suppress_rsp = 0 Disable | |
3792 | * lpfc_suppress_rsp = 1 Enable (default) | |
3793 | * | |
3794 | */ | |
3795 | LPFC_ATTR_R(suppress_rsp, 1, 0, 1, | |
3796 | "Enable suppress rsp feature is firmware supports it"); | |
3797 | ||
2d7dbc4c JS |
3798 | /* |
3799 | * lpfc_nvmet_mrq: Specify number of RQ pairs for processing NVMET cmds | |
bcb24f65 | 3800 | * lpfc_nvmet_mrq = 0 driver will calcualte optimal number of RQ pairs |
2d7dbc4c JS |
3801 | * lpfc_nvmet_mrq = 1 use a single RQ pair |
3802 | * lpfc_nvmet_mrq >= 2 use specified RQ pairs for MRQ | |
3803 | * | |
3804 | */ | |
3805 | LPFC_ATTR_R(nvmet_mrq, | |
bcb24f65 | 3806 | LPFC_NVMET_MRQ_AUTO, LPFC_NVMET_MRQ_AUTO, LPFC_NVMET_MRQ_MAX, |
2d7dbc4c JS |
3807 | "Specify number of RQ pairs for processing NVMET cmds"); |
3808 | ||
2448e484 JS |
3809 | /* |
3810 | * lpfc_nvmet_mrq_post: Specify number of RQ buffer to initially post | |
3811 | * to each NVMET RQ. Range 64 to 2048, default is 512. | |
3812 | */ | |
3813 | LPFC_ATTR_R(nvmet_mrq_post, | |
3814 | LPFC_NVMET_RQE_DEF_POST, LPFC_NVMET_RQE_MIN_POST, | |
3815 | LPFC_NVMET_RQE_DEF_COUNT, | |
3816 | "Specify number of RQ buffers to initially post"); | |
3817 | ||
895427bd JS |
3818 | /* |
3819 | * lpfc_enable_fc4_type: Defines what FC4 types are supported. | |
3820 | * Supported Values: 1 - register just FCP | |
3821 | * 3 - register both FCP and NVME | |
b1684a0b | 3822 | * Supported values are [1,3]. Default value is 3 |
895427bd | 3823 | */ |
b1684a0b | 3824 | LPFC_ATTR_R(enable_fc4_type, LPFC_ENABLE_BOTH, |
895427bd | 3825 | LPFC_ENABLE_FCP, LPFC_ENABLE_BOTH, |
cf4c8c86 | 3826 | "Enable FC4 Protocol support - FCP / NVME"); |
895427bd | 3827 | |
dea3101e JB |
3828 | /* |
3829 | # lpfc_log_verbose: Only turn this flag on if you are willing to risk being | |
3830 | # deluged with LOTS of information. | |
3831 | # You can set a bit mask to record specific types of verbose messages: | |
f4b4c68f | 3832 | # See lpfc_logmsh.h for definitions. |
dea3101e | 3833 | */ |
f4b4c68f | 3834 | LPFC_VPORT_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffffffff, |
e8b62011 | 3835 | "Verbose logging bit-mask"); |
dea3101e | 3836 | |
7ee5d43e JS |
3837 | /* |
3838 | # lpfc_enable_da_id: This turns on the DA_ID CT command that deregisters | |
3839 | # objects that have been registered with the nameserver after login. | |
3840 | */ | |
cf971240 | 3841 | LPFC_VPORT_ATTR_R(enable_da_id, 1, 0, 1, |
7ee5d43e JS |
3842 | "Deregister nameserver objects before LOGO"); |
3843 | ||
dea3101e JB |
3844 | /* |
3845 | # lun_queue_depth: This parameter is used to limit the number of outstanding | |
572709e2 JS |
3846 | # commands per FCP LUN. Value range is [1,512]. Default value is 30. |
3847 | # If this parameter value is greater than 1/8th the maximum number of exchanges | |
3848 | # supported by the HBA port, then the lun queue depth will be reduced to | |
3849 | # 1/8th the maximum number of exchanges. | |
dea3101e | 3850 | */ |
572709e2 | 3851 | LPFC_VPORT_ATTR_R(lun_queue_depth, 30, 1, 512, |
3de2a653 | 3852 | "Max number of FCP commands we can queue to a specific LUN"); |
dea3101e | 3853 | |
7dc517df JS |
3854 | /* |
3855 | # tgt_queue_depth: This parameter is used to limit the number of outstanding | |
3856 | # commands per target port. Value range is [10,65535]. Default value is 65535. | |
3857 | */ | |
f91bc594 JS |
3858 | static uint lpfc_tgt_queue_depth = LPFC_MAX_TGT_QDEPTH; |
3859 | module_param(lpfc_tgt_queue_depth, uint, 0444); | |
3860 | MODULE_PARM_DESC(lpfc_tgt_queue_depth, "Set max Target queue depth"); | |
3861 | lpfc_vport_param_show(tgt_queue_depth); | |
3862 | lpfc_vport_param_init(tgt_queue_depth, LPFC_MAX_TGT_QDEPTH, | |
3863 | LPFC_MIN_TGT_QDEPTH, LPFC_MAX_TGT_QDEPTH); | |
3864 | ||
3865 | /** | |
3866 | * lpfc_tgt_queue_depth_store: Sets an attribute value. | |
3867 | * @phba: pointer the the adapter structure. | |
3868 | * @val: integer attribute value. | |
3869 | * | |
3870 | * Description: Sets the parameter to the new value. | |
3871 | * | |
3872 | * Returns: | |
3873 | * zero on success | |
3874 | * -EINVAL if val is invalid | |
3875 | */ | |
3876 | static int | |
3877 | lpfc_tgt_queue_depth_set(struct lpfc_vport *vport, uint val) | |
3878 | { | |
3879 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
3880 | struct lpfc_nodelist *ndlp; | |
3881 | ||
3882 | if (!lpfc_rangecheck(val, LPFC_MIN_TGT_QDEPTH, LPFC_MAX_TGT_QDEPTH)) | |
3883 | return -EINVAL; | |
3884 | ||
3885 | if (val == vport->cfg_tgt_queue_depth) | |
3886 | return 0; | |
3887 | ||
3888 | spin_lock_irq(shost->host_lock); | |
3889 | vport->cfg_tgt_queue_depth = val; | |
3890 | ||
3891 | /* Next loop thru nodelist and change cmd_qdepth */ | |
3892 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) | |
3893 | ndlp->cmd_qdepth = vport->cfg_tgt_queue_depth; | |
3894 | ||
3895 | spin_unlock_irq(shost->host_lock); | |
3896 | return 0; | |
3897 | } | |
3898 | ||
3899 | lpfc_vport_param_store(tgt_queue_depth); | |
3900 | static DEVICE_ATTR_RW(lpfc_tgt_queue_depth); | |
7dc517df | 3901 | |
b28485ac JW |
3902 | /* |
3903 | # hba_queue_depth: This parameter is used to limit the number of outstanding | |
3904 | # commands per lpfc HBA. Value range is [32,8192]. If this parameter | |
3905 | # value is greater than the maximum number of exchanges supported by the HBA, | |
3906 | # then maximum number of exchanges supported by the HBA is used to determine | |
3907 | # the hba_queue_depth. | |
3908 | */ | |
3909 | LPFC_ATTR_R(hba_queue_depth, 8192, 32, 8192, | |
3910 | "Max number of FCP commands we can queue to a lpfc HBA"); | |
3911 | ||
92d7f7b0 JS |
3912 | /* |
3913 | # peer_port_login: This parameter allows/prevents logins | |
3914 | # between peer ports hosted on the same physical port. | |
3915 | # When this parameter is set 0 peer ports of same physical port | |
3916 | # are not allowed to login to each other. | |
3917 | # When this parameter is set 1 peer ports of same physical port | |
3918 | # are allowed to login to each other. | |
3919 | # Default value of this parameter is 0. | |
3920 | */ | |
3de2a653 JS |
3921 | LPFC_VPORT_ATTR_R(peer_port_login, 0, 0, 1, |
3922 | "Allow peer ports on the same physical port to login to each " | |
3923 | "other."); | |
92d7f7b0 JS |
3924 | |
3925 | /* | |
3de2a653 | 3926 | # restrict_login: This parameter allows/prevents logins |
92d7f7b0 JS |
3927 | # between Virtual Ports and remote initiators. |
3928 | # When this parameter is not set (0) Virtual Ports will accept PLOGIs from | |
3929 | # other initiators and will attempt to PLOGI all remote ports. | |
3930 | # When this parameter is set (1) Virtual Ports will reject PLOGIs from | |
3931 | # remote ports and will not attempt to PLOGI to other initiators. | |
3932 | # This parameter does not restrict to the physical port. | |
3933 | # This parameter does not restrict logins to Fabric resident remote ports. | |
3934 | # Default value of this parameter is 1. | |
3935 | */ | |
3de2a653 | 3936 | static int lpfc_restrict_login = 1; |
ab56dc2e | 3937 | module_param(lpfc_restrict_login, int, S_IRUGO); |
3de2a653 JS |
3938 | MODULE_PARM_DESC(lpfc_restrict_login, |
3939 | "Restrict virtual ports login to remote initiators."); | |
3940 | lpfc_vport_param_show(restrict_login); | |
3941 | ||
e59058c4 | 3942 | /** |
3621a710 | 3943 | * lpfc_restrict_login_init - Set the vport restrict login flag |
e59058c4 JS |
3944 | * @vport: lpfc vport structure pointer. |
3945 | * @val: contains the restrict login value. | |
3946 | * | |
3947 | * Description: | |
3948 | * If val is not in a valid range then log a kernel error message and set | |
3949 | * the vport restrict login to one. | |
3950 | * If the port type is physical clear the restrict login flag and return. | |
3951 | * Else set the restrict login flag to val. | |
3952 | * | |
3953 | * Returns: | |
3954 | * zero if val is in range | |
3955 | * -EINVAL val out of range | |
3956 | **/ | |
3de2a653 JS |
3957 | static int |
3958 | lpfc_restrict_login_init(struct lpfc_vport *vport, int val) | |
3959 | { | |
3960 | if (val < 0 || val > 1) { | |
e8b62011 | 3961 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 3962 | "0422 lpfc_restrict_login attribute cannot " |
e8b62011 JS |
3963 | "be set to %d, allowed range is [0, 1]\n", |
3964 | val); | |
3de2a653 JS |
3965 | vport->cfg_restrict_login = 1; |
3966 | return -EINVAL; | |
3967 | } | |
3968 | if (vport->port_type == LPFC_PHYSICAL_PORT) { | |
3969 | vport->cfg_restrict_login = 0; | |
3970 | return 0; | |
3971 | } | |
3972 | vport->cfg_restrict_login = val; | |
3973 | return 0; | |
3974 | } | |
3975 | ||
e59058c4 | 3976 | /** |
3621a710 | 3977 | * lpfc_restrict_login_set - Set the vport restrict login flag |
e59058c4 JS |
3978 | * @vport: lpfc vport structure pointer. |
3979 | * @val: contains the restrict login value. | |
3980 | * | |
3981 | * Description: | |
3982 | * If val is not in a valid range then log a kernel error message and set | |
3983 | * the vport restrict login to one. | |
3984 | * If the port type is physical and the val is not zero log a kernel | |
3985 | * error message, clear the restrict login flag and return zero. | |
3986 | * Else set the restrict login flag to val. | |
3987 | * | |
3988 | * Returns: | |
3989 | * zero if val is in range | |
3990 | * -EINVAL val out of range | |
3991 | **/ | |
3de2a653 JS |
3992 | static int |
3993 | lpfc_restrict_login_set(struct lpfc_vport *vport, int val) | |
3994 | { | |
3995 | if (val < 0 || val > 1) { | |
e8b62011 | 3996 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
d7c255b2 | 3997 | "0425 lpfc_restrict_login attribute cannot " |
e8b62011 JS |
3998 | "be set to %d, allowed range is [0, 1]\n", |
3999 | val); | |
3de2a653 JS |
4000 | vport->cfg_restrict_login = 1; |
4001 | return -EINVAL; | |
4002 | } | |
4003 | if (vport->port_type == LPFC_PHYSICAL_PORT && val != 0) { | |
e8b62011 JS |
4004 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
4005 | "0468 lpfc_restrict_login must be 0 for " | |
4006 | "Physical ports.\n"); | |
3de2a653 JS |
4007 | vport->cfg_restrict_login = 0; |
4008 | return 0; | |
4009 | } | |
4010 | vport->cfg_restrict_login = val; | |
4011 | return 0; | |
4012 | } | |
4013 | lpfc_vport_param_store(restrict_login); | |
b6b996b6 | 4014 | static DEVICE_ATTR_RW(lpfc_restrict_login); |
92d7f7b0 | 4015 | |
dea3101e JB |
4016 | /* |
4017 | # Some disk devices have a "select ID" or "select Target" capability. | |
4018 | # From a protocol standpoint "select ID" usually means select the | |
4019 | # Fibre channel "ALPA". In the FC-AL Profile there is an "informative | |
4020 | # annex" which contains a table that maps a "select ID" (a number | |
4021 | # between 0 and 7F) to an ALPA. By default, for compatibility with | |
4022 | # older drivers, the lpfc driver scans this table from low ALPA to high | |
4023 | # ALPA. | |
4024 | # | |
4025 | # Turning on the scan-down variable (on = 1, off = 0) will | |
4026 | # cause the lpfc driver to use an inverted table, effectively | |
4027 | # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1. | |
4028 | # | |
4029 | # (Note: This "select ID" functionality is a LOOP ONLY characteristic | |
4030 | # and will not work across a fabric. Also this parameter will take | |
4031 | # effect only in the case when ALPA map is not available.) | |
4032 | */ | |
3de2a653 JS |
4033 | LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1, |
4034 | "Start scanning for devices from highest ALPA to lowest"); | |
dea3101e | 4035 | |
dea3101e JB |
4036 | /* |
4037 | # lpfc_topology: link topology for init link | |
4038 | # 0x0 = attempt loop mode then point-to-point | |
367c2713 | 4039 | # 0x01 = internal loopback mode |
dea3101e JB |
4040 | # 0x02 = attempt point-to-point mode only |
4041 | # 0x04 = attempt loop mode only | |
4042 | # 0x06 = attempt point-to-point mode then loop | |
4043 | # Set point-to-point mode if you want to run as an N_Port. | |
4044 | # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6]. | |
4045 | # Default value is 0. | |
4046 | */ | |
0a035439 JS |
4047 | LPFC_ATTR(topology, 0, 0, 6, |
4048 | "Select Fibre Channel topology"); | |
e59058c4 JS |
4049 | |
4050 | /** | |
3621a710 | 4051 | * lpfc_topology_set - Set the adapters topology field |
e59058c4 JS |
4052 | * @phba: lpfc_hba pointer. |
4053 | * @val: topology value. | |
4054 | * | |
4055 | * Description: | |
4056 | * If val is in a valid range then set the adapter's topology field and | |
4057 | * issue a lip; if the lip fails reset the topology to the old value. | |
4058 | * | |
4059 | * If the value is not in range log a kernel error message and return an error. | |
4060 | * | |
4061 | * Returns: | |
4062 | * zero if val is in range and lip okay | |
4063 | * non-zero return value from lpfc_issue_lip() | |
4064 | * -EINVAL val out of range | |
4065 | **/ | |
a257bf90 JS |
4066 | static ssize_t |
4067 | lpfc_topology_store(struct device *dev, struct device_attribute *attr, | |
4068 | const char *buf, size_t count) | |
83108bd3 | 4069 | { |
a257bf90 JS |
4070 | struct Scsi_Host *shost = class_to_shost(dev); |
4071 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
4072 | struct lpfc_hba *phba = vport->phba; | |
4073 | int val = 0; | |
4074 | int nolip = 0; | |
4075 | const char *val_buf = buf; | |
83108bd3 JS |
4076 | int err; |
4077 | uint32_t prev_val; | |
a257bf90 JS |
4078 | |
4079 | if (!strncmp(buf, "nolip ", strlen("nolip "))) { | |
4080 | nolip = 1; | |
4081 | val_buf = &buf[strlen("nolip ")]; | |
4082 | } | |
4083 | ||
4084 | if (!isdigit(val_buf[0])) | |
4085 | return -EINVAL; | |
4086 | if (sscanf(val_buf, "%i", &val) != 1) | |
4087 | return -EINVAL; | |
4088 | ||
83108bd3 JS |
4089 | if (val >= 0 && val <= 6) { |
4090 | prev_val = phba->cfg_topology; | |
ff78d8f9 JS |
4091 | if (phba->cfg_link_speed == LPFC_USER_LINK_SPEED_16G && |
4092 | val == 4) { | |
4093 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, | |
4094 | "3113 Loop mode not supported at speed %d\n", | |
d38dd52c | 4095 | val); |
ff78d8f9 JS |
4096 | return -EINVAL; |
4097 | } | |
76558b25 JS |
4098 | if ((phba->pcidev->device == PCI_DEVICE_ID_LANCER_G6_FC || |
4099 | phba->pcidev->device == PCI_DEVICE_ID_LANCER_G7_FC) && | |
f6978f41 | 4100 | val == 4) { |
d38dd52c | 4101 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
f6978f41 | 4102 | "3114 Loop mode not supported\n"); |
d38dd52c JS |
4103 | return -EINVAL; |
4104 | } | |
4105 | phba->cfg_topology = val; | |
a257bf90 JS |
4106 | if (nolip) |
4107 | return strlen(buf); | |
4108 | ||
88a2cfbb JS |
4109 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
4110 | "3054 lpfc_topology changed from %d to %d\n", | |
4111 | prev_val, val); | |
e74c03c8 JS |
4112 | if (prev_val != val && phba->sli_rev == LPFC_SLI_REV4) |
4113 | phba->fc_topology_changed = 1; | |
83108bd3 | 4114 | err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); |
a257bf90 | 4115 | if (err) { |
83108bd3 | 4116 | phba->cfg_topology = prev_val; |
a257bf90 JS |
4117 | return -EINVAL; |
4118 | } else | |
4119 | return strlen(buf); | |
83108bd3 JS |
4120 | } |
4121 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4122 | "%d:0467 lpfc_topology attribute cannot be set to %d, " | |
4123 | "allowed range is [0, 6]\n", | |
4124 | phba->brd_no, val); | |
4125 | return -EINVAL; | |
4126 | } | |
0a035439 | 4127 | |
83108bd3 | 4128 | lpfc_param_show(topology) |
b6b996b6 | 4129 | static DEVICE_ATTR_RW(lpfc_topology); |
dea3101e | 4130 | |
21e9a0a5 JS |
4131 | /** |
4132 | * lpfc_static_vport_show: Read callback function for | |
4133 | * lpfc_static_vport sysfs file. | |
4134 | * @dev: Pointer to class device object. | |
4135 | * @attr: device attribute structure. | |
4136 | * @buf: Data buffer. | |
4137 | * | |
4138 | * This function is the read call back function for | |
4139 | * lpfc_static_vport sysfs file. The lpfc_static_vport | |
4140 | * sysfs file report the mageability of the vport. | |
4141 | **/ | |
4142 | static ssize_t | |
4143 | lpfc_static_vport_show(struct device *dev, struct device_attribute *attr, | |
4144 | char *buf) | |
4145 | { | |
4146 | struct Scsi_Host *shost = class_to_shost(dev); | |
4147 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
4148 | if (vport->vport_flag & STATIC_VPORT) | |
4149 | sprintf(buf, "1\n"); | |
4150 | else | |
4151 | sprintf(buf, "0\n"); | |
4152 | ||
4153 | return strlen(buf); | |
4154 | } | |
4155 | ||
4156 | /* | |
4157 | * Sysfs attribute to control the statistical data collection. | |
4158 | */ | |
c828a892 | 4159 | static DEVICE_ATTR_RO(lpfc_static_vport); |
ea2151b4 JS |
4160 | |
4161 | /** | |
3621a710 | 4162 | * lpfc_stat_data_ctrl_store - write call back for lpfc_stat_data_ctrl sysfs file |
ea2151b4 JS |
4163 | * @dev: Pointer to class device. |
4164 | * @buf: Data buffer. | |
4165 | * @count: Size of the data buffer. | |
4166 | * | |
9332ef9d | 4167 | * This function get called when a user write to the lpfc_stat_data_ctrl |
ea2151b4 JS |
4168 | * sysfs file. This function parse the command written to the sysfs file |
4169 | * and take appropriate action. These commands are used for controlling | |
4170 | * driver statistical data collection. | |
4171 | * Following are the command this function handles. | |
4172 | * | |
4173 | * setbucket <bucket_type> <base> <step> | |
4174 | * = Set the latency buckets. | |
4175 | * destroybucket = destroy all the buckets. | |
4176 | * start = start data collection | |
4177 | * stop = stop data collection | |
4178 | * reset = reset the collected data | |
4179 | **/ | |
4180 | static ssize_t | |
4181 | lpfc_stat_data_ctrl_store(struct device *dev, struct device_attribute *attr, | |
4182 | const char *buf, size_t count) | |
4183 | { | |
4184 | struct Scsi_Host *shost = class_to_shost(dev); | |
4185 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
4186 | struct lpfc_hba *phba = vport->phba; | |
4187 | #define LPFC_MAX_DATA_CTRL_LEN 1024 | |
4188 | static char bucket_data[LPFC_MAX_DATA_CTRL_LEN]; | |
4189 | unsigned long i; | |
4190 | char *str_ptr, *token; | |
4191 | struct lpfc_vport **vports; | |
4192 | struct Scsi_Host *v_shost; | |
4193 | char *bucket_type_str, *base_str, *step_str; | |
4194 | unsigned long base, step, bucket_type; | |
4195 | ||
4196 | if (!strncmp(buf, "setbucket", strlen("setbucket"))) { | |
a257bf90 | 4197 | if (strlen(buf) > (LPFC_MAX_DATA_CTRL_LEN - 1)) |
ea2151b4 JS |
4198 | return -EINVAL; |
4199 | ||
eb016566 | 4200 | strncpy(bucket_data, buf, LPFC_MAX_DATA_CTRL_LEN); |
ea2151b4 JS |
4201 | str_ptr = &bucket_data[0]; |
4202 | /* Ignore this token - this is command token */ | |
4203 | token = strsep(&str_ptr, "\t "); | |
4204 | if (!token) | |
4205 | return -EINVAL; | |
4206 | ||
4207 | bucket_type_str = strsep(&str_ptr, "\t "); | |
4208 | if (!bucket_type_str) | |
4209 | return -EINVAL; | |
4210 | ||
4211 | if (!strncmp(bucket_type_str, "linear", strlen("linear"))) | |
4212 | bucket_type = LPFC_LINEAR_BUCKET; | |
4213 | else if (!strncmp(bucket_type_str, "power2", strlen("power2"))) | |
4214 | bucket_type = LPFC_POWER2_BUCKET; | |
4215 | else | |
4216 | return -EINVAL; | |
4217 | ||
4218 | base_str = strsep(&str_ptr, "\t "); | |
4219 | if (!base_str) | |
4220 | return -EINVAL; | |
4221 | base = simple_strtoul(base_str, NULL, 0); | |
4222 | ||
4223 | step_str = strsep(&str_ptr, "\t "); | |
4224 | if (!step_str) | |
4225 | return -EINVAL; | |
4226 | step = simple_strtoul(step_str, NULL, 0); | |
4227 | if (!step) | |
4228 | return -EINVAL; | |
4229 | ||
4230 | /* Block the data collection for every vport */ | |
4231 | vports = lpfc_create_vport_work_array(phba); | |
4232 | if (vports == NULL) | |
4233 | return -ENOMEM; | |
4234 | ||
f4b4c68f | 4235 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
ea2151b4 JS |
4236 | v_shost = lpfc_shost_from_vport(vports[i]); |
4237 | spin_lock_irq(v_shost->host_lock); | |
4238 | /* Block and reset data collection */ | |
4239 | vports[i]->stat_data_blocked = 1; | |
4240 | if (vports[i]->stat_data_enabled) | |
4241 | lpfc_vport_reset_stat_data(vports[i]); | |
4242 | spin_unlock_irq(v_shost->host_lock); | |
4243 | } | |
4244 | ||
4245 | /* Set the bucket attributes */ | |
4246 | phba->bucket_type = bucket_type; | |
4247 | phba->bucket_base = base; | |
4248 | phba->bucket_step = step; | |
4249 | ||
f4b4c68f | 4250 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
ea2151b4 JS |
4251 | v_shost = lpfc_shost_from_vport(vports[i]); |
4252 | ||
4253 | /* Unblock data collection */ | |
4254 | spin_lock_irq(v_shost->host_lock); | |
4255 | vports[i]->stat_data_blocked = 0; | |
4256 | spin_unlock_irq(v_shost->host_lock); | |
4257 | } | |
4258 | lpfc_destroy_vport_work_array(phba, vports); | |
4259 | return strlen(buf); | |
4260 | } | |
4261 | ||
4262 | if (!strncmp(buf, "destroybucket", strlen("destroybucket"))) { | |
4263 | vports = lpfc_create_vport_work_array(phba); | |
4264 | if (vports == NULL) | |
4265 | return -ENOMEM; | |
4266 | ||
f4b4c68f | 4267 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
ea2151b4 JS |
4268 | v_shost = lpfc_shost_from_vport(vports[i]); |
4269 | spin_lock_irq(shost->host_lock); | |
4270 | vports[i]->stat_data_blocked = 1; | |
4271 | lpfc_free_bucket(vport); | |
4272 | vport->stat_data_enabled = 0; | |
4273 | vports[i]->stat_data_blocked = 0; | |
4274 | spin_unlock_irq(shost->host_lock); | |
4275 | } | |
4276 | lpfc_destroy_vport_work_array(phba, vports); | |
4277 | phba->bucket_type = LPFC_NO_BUCKET; | |
4278 | phba->bucket_base = 0; | |
4279 | phba->bucket_step = 0; | |
4280 | return strlen(buf); | |
4281 | } | |
4282 | ||
4283 | if (!strncmp(buf, "start", strlen("start"))) { | |
4284 | /* If no buckets configured return error */ | |
4285 | if (phba->bucket_type == LPFC_NO_BUCKET) | |
4286 | return -EINVAL; | |
4287 | spin_lock_irq(shost->host_lock); | |
4288 | if (vport->stat_data_enabled) { | |
4289 | spin_unlock_irq(shost->host_lock); | |
4290 | return strlen(buf); | |
4291 | } | |
4292 | lpfc_alloc_bucket(vport); | |
4293 | vport->stat_data_enabled = 1; | |
4294 | spin_unlock_irq(shost->host_lock); | |
4295 | return strlen(buf); | |
4296 | } | |
4297 | ||
4298 | if (!strncmp(buf, "stop", strlen("stop"))) { | |
4299 | spin_lock_irq(shost->host_lock); | |
4300 | if (vport->stat_data_enabled == 0) { | |
4301 | spin_unlock_irq(shost->host_lock); | |
4302 | return strlen(buf); | |
4303 | } | |
4304 | lpfc_free_bucket(vport); | |
4305 | vport->stat_data_enabled = 0; | |
4306 | spin_unlock_irq(shost->host_lock); | |
4307 | return strlen(buf); | |
4308 | } | |
4309 | ||
4310 | if (!strncmp(buf, "reset", strlen("reset"))) { | |
4311 | if ((phba->bucket_type == LPFC_NO_BUCKET) | |
4312 | || !vport->stat_data_enabled) | |
4313 | return strlen(buf); | |
4314 | spin_lock_irq(shost->host_lock); | |
4315 | vport->stat_data_blocked = 1; | |
4316 | lpfc_vport_reset_stat_data(vport); | |
4317 | vport->stat_data_blocked = 0; | |
4318 | spin_unlock_irq(shost->host_lock); | |
4319 | return strlen(buf); | |
4320 | } | |
4321 | return -EINVAL; | |
4322 | } | |
4323 | ||
4324 | ||
4325 | /** | |
3621a710 | 4326 | * lpfc_stat_data_ctrl_show - Read function for lpfc_stat_data_ctrl sysfs file |
ea2151b4 JS |
4327 | * @dev: Pointer to class device object. |
4328 | * @buf: Data buffer. | |
4329 | * | |
4330 | * This function is the read call back function for | |
4331 | * lpfc_stat_data_ctrl sysfs file. This function report the | |
4332 | * current statistical data collection state. | |
4333 | **/ | |
4334 | static ssize_t | |
4335 | lpfc_stat_data_ctrl_show(struct device *dev, struct device_attribute *attr, | |
4336 | char *buf) | |
4337 | { | |
4338 | struct Scsi_Host *shost = class_to_shost(dev); | |
4339 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
4340 | struct lpfc_hba *phba = vport->phba; | |
4341 | int index = 0; | |
4342 | int i; | |
4343 | char *bucket_type; | |
4344 | unsigned long bucket_value; | |
4345 | ||
4346 | switch (phba->bucket_type) { | |
4347 | case LPFC_LINEAR_BUCKET: | |
4348 | bucket_type = "linear"; | |
4349 | break; | |
4350 | case LPFC_POWER2_BUCKET: | |
4351 | bucket_type = "power2"; | |
4352 | break; | |
4353 | default: | |
4354 | bucket_type = "No Bucket"; | |
4355 | break; | |
4356 | } | |
4357 | ||
4358 | sprintf(&buf[index], "Statistical Data enabled :%d, " | |
4359 | "blocked :%d, Bucket type :%s, Bucket base :%d," | |
4360 | " Bucket step :%d\nLatency Ranges :", | |
4361 | vport->stat_data_enabled, vport->stat_data_blocked, | |
4362 | bucket_type, phba->bucket_base, phba->bucket_step); | |
4363 | index = strlen(buf); | |
4364 | if (phba->bucket_type != LPFC_NO_BUCKET) { | |
4365 | for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) { | |
4366 | if (phba->bucket_type == LPFC_LINEAR_BUCKET) | |
4367 | bucket_value = phba->bucket_base + | |
4368 | phba->bucket_step * i; | |
4369 | else | |
4370 | bucket_value = phba->bucket_base + | |
4371 | (1 << i) * phba->bucket_step; | |
4372 | ||
4373 | if (index + 10 > PAGE_SIZE) | |
4374 | break; | |
4375 | sprintf(&buf[index], "%08ld ", bucket_value); | |
4376 | index = strlen(buf); | |
4377 | } | |
4378 | } | |
4379 | sprintf(&buf[index], "\n"); | |
4380 | return strlen(buf); | |
4381 | } | |
4382 | ||
4383 | /* | |
4384 | * Sysfs attribute to control the statistical data collection. | |
4385 | */ | |
b6b996b6 | 4386 | static DEVICE_ATTR_RW(lpfc_stat_data_ctrl); |
ea2151b4 JS |
4387 | |
4388 | /* | |
4389 | * lpfc_drvr_stat_data: sysfs attr to get driver statistical data. | |
4390 | */ | |
4391 | ||
4392 | /* | |
4393 | * Each Bucket takes 11 characters and 1 new line + 17 bytes WWN | |
4394 | * for each target. | |
4395 | */ | |
4396 | #define STAT_DATA_SIZE_PER_TARGET(NUM_BUCKETS) ((NUM_BUCKETS) * 11 + 18) | |
4397 | #define MAX_STAT_DATA_SIZE_PER_TARGET \ | |
4398 | STAT_DATA_SIZE_PER_TARGET(LPFC_MAX_BUCKET_COUNT) | |
4399 | ||
4400 | ||
4401 | /** | |
3621a710 | 4402 | * sysfs_drvr_stat_data_read - Read function for lpfc_drvr_stat_data attribute |
2c3c8bea | 4403 | * @filp: sysfs file |
ea2151b4 JS |
4404 | * @kobj: Pointer to the kernel object |
4405 | * @bin_attr: Attribute object | |
4406 | * @buff: Buffer pointer | |
4407 | * @off: File offset | |
4408 | * @count: Buffer size | |
4409 | * | |
4410 | * This function is the read call back function for lpfc_drvr_stat_data | |
4411 | * sysfs file. This function export the statistical data to user | |
4412 | * applications. | |
4413 | **/ | |
4414 | static ssize_t | |
2c3c8bea CW |
4415 | sysfs_drvr_stat_data_read(struct file *filp, struct kobject *kobj, |
4416 | struct bin_attribute *bin_attr, | |
ea2151b4 JS |
4417 | char *buf, loff_t off, size_t count) |
4418 | { | |
4419 | struct device *dev = container_of(kobj, struct device, | |
4420 | kobj); | |
4421 | struct Scsi_Host *shost = class_to_shost(dev); | |
4422 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
4423 | struct lpfc_hba *phba = vport->phba; | |
4424 | int i = 0, index = 0; | |
4425 | unsigned long nport_index; | |
4426 | struct lpfc_nodelist *ndlp = NULL; | |
4427 | nport_index = (unsigned long)off / | |
4428 | MAX_STAT_DATA_SIZE_PER_TARGET; | |
4429 | ||
4430 | if (!vport->stat_data_enabled || vport->stat_data_blocked | |
4431 | || (phba->bucket_type == LPFC_NO_BUCKET)) | |
4432 | return 0; | |
4433 | ||
4434 | spin_lock_irq(shost->host_lock); | |
4435 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { | |
4436 | if (!NLP_CHK_NODE_ACT(ndlp) || !ndlp->lat_data) | |
4437 | continue; | |
4438 | ||
4439 | if (nport_index > 0) { | |
4440 | nport_index--; | |
4441 | continue; | |
4442 | } | |
4443 | ||
4444 | if ((index + MAX_STAT_DATA_SIZE_PER_TARGET) | |
4445 | > count) | |
4446 | break; | |
4447 | ||
4448 | if (!ndlp->lat_data) | |
4449 | continue; | |
4450 | ||
4451 | /* Print the WWN */ | |
4452 | sprintf(&buf[index], "%02x%02x%02x%02x%02x%02x%02x%02x:", | |
4453 | ndlp->nlp_portname.u.wwn[0], | |
4454 | ndlp->nlp_portname.u.wwn[1], | |
4455 | ndlp->nlp_portname.u.wwn[2], | |
4456 | ndlp->nlp_portname.u.wwn[3], | |
4457 | ndlp->nlp_portname.u.wwn[4], | |
4458 | ndlp->nlp_portname.u.wwn[5], | |
4459 | ndlp->nlp_portname.u.wwn[6], | |
4460 | ndlp->nlp_portname.u.wwn[7]); | |
4461 | ||
4462 | index = strlen(buf); | |
4463 | ||
4464 | for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) { | |
4465 | sprintf(&buf[index], "%010u,", | |
4466 | ndlp->lat_data[i].cmd_count); | |
4467 | index = strlen(buf); | |
4468 | } | |
4469 | sprintf(&buf[index], "\n"); | |
4470 | index = strlen(buf); | |
4471 | } | |
4472 | spin_unlock_irq(shost->host_lock); | |
4473 | return index; | |
4474 | } | |
4475 | ||
4476 | static struct bin_attribute sysfs_drvr_stat_data_attr = { | |
4477 | .attr = { | |
4478 | .name = "lpfc_drvr_stat_data", | |
4479 | .mode = S_IRUSR, | |
ea2151b4 JS |
4480 | }, |
4481 | .size = LPFC_MAX_TARGET * MAX_STAT_DATA_SIZE_PER_TARGET, | |
4482 | .read = sysfs_drvr_stat_data_read, | |
4483 | .write = NULL, | |
4484 | }; | |
4485 | ||
dea3101e JB |
4486 | /* |
4487 | # lpfc_link_speed: Link speed selection for initializing the Fibre Channel | |
4488 | # connection. | |
76a95d75 | 4489 | # Value range is [0,16]. Default value is 0. |
dea3101e | 4490 | */ |
e59058c4 | 4491 | /** |
3621a710 | 4492 | * lpfc_link_speed_set - Set the adapters link speed |
e59058c4 JS |
4493 | * @phba: lpfc_hba pointer. |
4494 | * @val: link speed value. | |
4495 | * | |
4496 | * Description: | |
4497 | * If val is in a valid range then set the adapter's link speed field and | |
4498 | * issue a lip; if the lip fails reset the link speed to the old value. | |
4499 | * | |
4500 | * Notes: | |
4501 | * If the value is not in range log a kernel error message and return an error. | |
4502 | * | |
4503 | * Returns: | |
4504 | * zero if val is in range and lip okay. | |
4505 | * non-zero return value from lpfc_issue_lip() | |
4506 | * -EINVAL val out of range | |
4507 | **/ | |
a257bf90 JS |
4508 | static ssize_t |
4509 | lpfc_link_speed_store(struct device *dev, struct device_attribute *attr, | |
4510 | const char *buf, size_t count) | |
83108bd3 | 4511 | { |
a257bf90 JS |
4512 | struct Scsi_Host *shost = class_to_shost(dev); |
4513 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
4514 | struct lpfc_hba *phba = vport->phba; | |
76a95d75 | 4515 | int val = LPFC_USER_LINK_SPEED_AUTO; |
a257bf90 JS |
4516 | int nolip = 0; |
4517 | const char *val_buf = buf; | |
83108bd3 | 4518 | int err; |
c691816e JS |
4519 | uint32_t prev_val, if_type; |
4520 | ||
4521 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); | |
719162bd | 4522 | if (if_type >= LPFC_SLI_INTF_IF_TYPE_2 && |
c691816e JS |
4523 | phba->hba_flag & HBA_FORCED_LINK_SPEED) |
4524 | return -EPERM; | |
83108bd3 | 4525 | |
a257bf90 JS |
4526 | if (!strncmp(buf, "nolip ", strlen("nolip "))) { |
4527 | nolip = 1; | |
4528 | val_buf = &buf[strlen("nolip ")]; | |
4529 | } | |
4530 | ||
4531 | if (!isdigit(val_buf[0])) | |
4532 | return -EINVAL; | |
4533 | if (sscanf(val_buf, "%i", &val) != 1) | |
4534 | return -EINVAL; | |
4535 | ||
88a2cfbb JS |
4536 | lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
4537 | "3055 lpfc_link_speed changed from %d to %d %s\n", | |
4538 | phba->cfg_link_speed, val, nolip ? "(nolip)" : "(lip)"); | |
4539 | ||
76a95d75 JS |
4540 | if (((val == LPFC_USER_LINK_SPEED_1G) && !(phba->lmt & LMT_1Gb)) || |
4541 | ((val == LPFC_USER_LINK_SPEED_2G) && !(phba->lmt & LMT_2Gb)) || | |
4542 | ((val == LPFC_USER_LINK_SPEED_4G) && !(phba->lmt & LMT_4Gb)) || | |
4543 | ((val == LPFC_USER_LINK_SPEED_8G) && !(phba->lmt & LMT_8Gb)) || | |
4544 | ((val == LPFC_USER_LINK_SPEED_10G) && !(phba->lmt & LMT_10Gb)) || | |
d38dd52c | 4545 | ((val == LPFC_USER_LINK_SPEED_16G) && !(phba->lmt & LMT_16Gb)) || |
fbd8a6ba JS |
4546 | ((val == LPFC_USER_LINK_SPEED_32G) && !(phba->lmt & LMT_32Gb)) || |
4547 | ((val == LPFC_USER_LINK_SPEED_64G) && !(phba->lmt & LMT_64Gb))) { | |
76a95d75 JS |
4548 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
4549 | "2879 lpfc_link_speed attribute cannot be set " | |
4550 | "to %d. Speed is not supported by this port.\n", | |
4551 | val); | |
83108bd3 | 4552 | return -EINVAL; |
76a95d75 | 4553 | } |
fbd8a6ba JS |
4554 | if (val >= LPFC_USER_LINK_SPEED_16G && |
4555 | phba->fc_topology == LPFC_TOPOLOGY_LOOP) { | |
ff78d8f9 JS |
4556 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
4557 | "3112 lpfc_link_speed attribute cannot be set " | |
4558 | "to %d. Speed is not supported in loop mode.\n", | |
4559 | val); | |
4560 | return -EINVAL; | |
4561 | } | |
fbd8a6ba JS |
4562 | |
4563 | switch (val) { | |
4564 | case LPFC_USER_LINK_SPEED_AUTO: | |
4565 | case LPFC_USER_LINK_SPEED_1G: | |
4566 | case LPFC_USER_LINK_SPEED_2G: | |
4567 | case LPFC_USER_LINK_SPEED_4G: | |
4568 | case LPFC_USER_LINK_SPEED_8G: | |
4569 | case LPFC_USER_LINK_SPEED_16G: | |
4570 | case LPFC_USER_LINK_SPEED_32G: | |
4571 | case LPFC_USER_LINK_SPEED_64G: | |
83108bd3 JS |
4572 | prev_val = phba->cfg_link_speed; |
4573 | phba->cfg_link_speed = val; | |
a257bf90 JS |
4574 | if (nolip) |
4575 | return strlen(buf); | |
4576 | ||
83108bd3 | 4577 | err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); |
a257bf90 | 4578 | if (err) { |
83108bd3 | 4579 | phba->cfg_link_speed = prev_val; |
a257bf90 | 4580 | return -EINVAL; |
fbd8a6ba JS |
4581 | } |
4582 | return strlen(buf); | |
4583 | default: | |
4584 | break; | |
83108bd3 | 4585 | } |
fbd8a6ba | 4586 | |
83108bd3 | 4587 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
fbd8a6ba JS |
4588 | "0469 lpfc_link_speed attribute cannot be set to %d, " |
4589 | "allowed values are [%s]\n", | |
4590 | val, LPFC_LINK_SPEED_STRING); | |
83108bd3 | 4591 | return -EINVAL; |
fbd8a6ba | 4592 | |
83108bd3 JS |
4593 | } |
4594 | ||
4595 | static int lpfc_link_speed = 0; | |
ab56dc2e | 4596 | module_param(lpfc_link_speed, int, S_IRUGO); |
83108bd3 JS |
4597 | MODULE_PARM_DESC(lpfc_link_speed, "Select link speed"); |
4598 | lpfc_param_show(link_speed) | |
e59058c4 JS |
4599 | |
4600 | /** | |
3621a710 | 4601 | * lpfc_link_speed_init - Set the adapters link speed |
e59058c4 JS |
4602 | * @phba: lpfc_hba pointer. |
4603 | * @val: link speed value. | |
4604 | * | |
4605 | * Description: | |
4606 | * If val is in a valid range then set the adapter's link speed field. | |
4607 | * | |
4608 | * Notes: | |
4609 | * If the value is not in range log a kernel error message, clear the link | |
4610 | * speed and return an error. | |
4611 | * | |
4612 | * Returns: | |
4613 | * zero if val saved. | |
4614 | * -EINVAL val out of range | |
4615 | **/ | |
83108bd3 JS |
4616 | static int |
4617 | lpfc_link_speed_init(struct lpfc_hba *phba, int val) | |
4618 | { | |
fbd8a6ba | 4619 | if (val >= LPFC_USER_LINK_SPEED_16G && phba->cfg_topology == 4) { |
ff78d8f9 JS |
4620 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
4621 | "3111 lpfc_link_speed of %d cannot " | |
4622 | "support loop mode, setting topology to default.\n", | |
4623 | val); | |
4624 | phba->cfg_topology = 0; | |
4625 | } | |
fbd8a6ba JS |
4626 | |
4627 | switch (val) { | |
4628 | case LPFC_USER_LINK_SPEED_AUTO: | |
4629 | case LPFC_USER_LINK_SPEED_1G: | |
4630 | case LPFC_USER_LINK_SPEED_2G: | |
4631 | case LPFC_USER_LINK_SPEED_4G: | |
4632 | case LPFC_USER_LINK_SPEED_8G: | |
4633 | case LPFC_USER_LINK_SPEED_16G: | |
4634 | case LPFC_USER_LINK_SPEED_32G: | |
4635 | case LPFC_USER_LINK_SPEED_64G: | |
83108bd3 JS |
4636 | phba->cfg_link_speed = val; |
4637 | return 0; | |
fbd8a6ba JS |
4638 | default: |
4639 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4640 | "0405 lpfc_link_speed attribute cannot " | |
4641 | "be set to %d, allowed values are " | |
4642 | "["LPFC_LINK_SPEED_STRING"]\n", val); | |
4643 | phba->cfg_link_speed = LPFC_USER_LINK_SPEED_AUTO; | |
4644 | return -EINVAL; | |
83108bd3 | 4645 | } |
83108bd3 JS |
4646 | } |
4647 | ||
b6b996b6 | 4648 | static DEVICE_ATTR_RW(lpfc_link_speed); |
dea3101e | 4649 | |
0d878419 JS |
4650 | /* |
4651 | # lpfc_aer_support: Support PCIe device Advanced Error Reporting (AER) | |
4652 | # 0 = aer disabled or not supported | |
4653 | # 1 = aer supported and enabled (default) | |
4654 | # Value range is [0,1]. Default value is 1. | |
4655 | */ | |
506139a2 JS |
4656 | LPFC_ATTR(aer_support, 1, 0, 1, |
4657 | "Enable PCIe device AER support"); | |
4658 | lpfc_param_show(aer_support) | |
0d878419 JS |
4659 | |
4660 | /** | |
4661 | * lpfc_aer_support_store - Set the adapter for aer support | |
4662 | * | |
4663 | * @dev: class device that is converted into a Scsi_host. | |
4664 | * @attr: device attribute, not used. | |
912e3acd | 4665 | * @buf: containing enable or disable aer flag. |
0d878419 JS |
4666 | * @count: unused variable. |
4667 | * | |
4668 | * Description: | |
4669 | * If the val is 1 and currently the device's AER capability was not | |
4670 | * enabled, invoke the kernel's enable AER helper routine, trying to | |
4671 | * enable the device's AER capability. If the helper routine enabling | |
4672 | * AER returns success, update the device's cfg_aer_support flag to | |
4673 | * indicate AER is supported by the device; otherwise, if the device | |
4674 | * AER capability is already enabled to support AER, then do nothing. | |
4675 | * | |
4676 | * If the val is 0 and currently the device's AER support was enabled, | |
4677 | * invoke the kernel's disable AER helper routine. After that, update | |
4678 | * the device's cfg_aer_support flag to indicate AER is not supported | |
4679 | * by the device; otherwise, if the device AER capability is already | |
4680 | * disabled from supporting AER, then do nothing. | |
4681 | * | |
4682 | * Returns: | |
4683 | * length of the buf on success if val is in range the intended mode | |
4684 | * is supported. | |
4685 | * -EINVAL if val out of range or intended mode is not supported. | |
4686 | **/ | |
4687 | static ssize_t | |
4688 | lpfc_aer_support_store(struct device *dev, struct device_attribute *attr, | |
4689 | const char *buf, size_t count) | |
4690 | { | |
4691 | struct Scsi_Host *shost = class_to_shost(dev); | |
4692 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
4693 | struct lpfc_hba *phba = vport->phba; | |
4694 | int val = 0, rc = -EINVAL; | |
4695 | ||
4696 | if (!isdigit(buf[0])) | |
4697 | return -EINVAL; | |
4698 | if (sscanf(buf, "%i", &val) != 1) | |
4699 | return -EINVAL; | |
4700 | ||
4701 | switch (val) { | |
4702 | case 0: | |
4703 | if (phba->hba_flag & HBA_AER_ENABLED) { | |
4704 | rc = pci_disable_pcie_error_reporting(phba->pcidev); | |
4705 | if (!rc) { | |
4706 | spin_lock_irq(&phba->hbalock); | |
4707 | phba->hba_flag &= ~HBA_AER_ENABLED; | |
4708 | spin_unlock_irq(&phba->hbalock); | |
4709 | phba->cfg_aer_support = 0; | |
4710 | rc = strlen(buf); | |
4711 | } else | |
891478a2 JS |
4712 | rc = -EPERM; |
4713 | } else { | |
0d878419 | 4714 | phba->cfg_aer_support = 0; |
891478a2 JS |
4715 | rc = strlen(buf); |
4716 | } | |
0d878419 JS |
4717 | break; |
4718 | case 1: | |
4719 | if (!(phba->hba_flag & HBA_AER_ENABLED)) { | |
4720 | rc = pci_enable_pcie_error_reporting(phba->pcidev); | |
4721 | if (!rc) { | |
4722 | spin_lock_irq(&phba->hbalock); | |
4723 | phba->hba_flag |= HBA_AER_ENABLED; | |
4724 | spin_unlock_irq(&phba->hbalock); | |
4725 | phba->cfg_aer_support = 1; | |
4726 | rc = strlen(buf); | |
4727 | } else | |
891478a2 JS |
4728 | rc = -EPERM; |
4729 | } else { | |
0d878419 | 4730 | phba->cfg_aer_support = 1; |
891478a2 JS |
4731 | rc = strlen(buf); |
4732 | } | |
0d878419 JS |
4733 | break; |
4734 | default: | |
4735 | rc = -EINVAL; | |
4736 | break; | |
4737 | } | |
4738 | return rc; | |
4739 | } | |
4740 | ||
b6b996b6 | 4741 | static DEVICE_ATTR_RW(lpfc_aer_support); |
0d878419 JS |
4742 | |
4743 | /** | |
4744 | * lpfc_aer_cleanup_state - Clean up aer state to the aer enabled device | |
4745 | * @dev: class device that is converted into a Scsi_host. | |
4746 | * @attr: device attribute, not used. | |
912e3acd | 4747 | * @buf: containing flag 1 for aer cleanup state. |
0d878419 JS |
4748 | * @count: unused variable. |
4749 | * | |
4750 | * Description: | |
4751 | * If the @buf contains 1 and the device currently has the AER support | |
4752 | * enabled, then invokes the kernel AER helper routine | |
4753 | * pci_cleanup_aer_uncorrect_error_status to clean up the uncorrectable | |
4754 | * error status register. | |
4755 | * | |
4756 | * Notes: | |
4757 | * | |
4758 | * Returns: | |
4759 | * -EINVAL if the buf does not contain the 1 or the device is not currently | |
4760 | * enabled with the AER support. | |
4761 | **/ | |
4762 | static ssize_t | |
4763 | lpfc_aer_cleanup_state(struct device *dev, struct device_attribute *attr, | |
4764 | const char *buf, size_t count) | |
4765 | { | |
4766 | struct Scsi_Host *shost = class_to_shost(dev); | |
4767 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
4768 | struct lpfc_hba *phba = vport->phba; | |
4769 | int val, rc = -1; | |
4770 | ||
4771 | if (!isdigit(buf[0])) | |
4772 | return -EINVAL; | |
4773 | if (sscanf(buf, "%i", &val) != 1) | |
4774 | return -EINVAL; | |
891478a2 JS |
4775 | if (val != 1) |
4776 | return -EINVAL; | |
0d878419 | 4777 | |
891478a2 | 4778 | if (phba->hba_flag & HBA_AER_ENABLED) |
0d878419 JS |
4779 | rc = pci_cleanup_aer_uncorrect_error_status(phba->pcidev); |
4780 | ||
4781 | if (rc == 0) | |
4782 | return strlen(buf); | |
4783 | else | |
891478a2 | 4784 | return -EPERM; |
0d878419 JS |
4785 | } |
4786 | ||
4787 | static DEVICE_ATTR(lpfc_aer_state_cleanup, S_IWUSR, NULL, | |
4788 | lpfc_aer_cleanup_state); | |
4789 | ||
912e3acd JS |
4790 | /** |
4791 | * lpfc_sriov_nr_virtfn_store - Enable the adapter for sr-iov virtual functions | |
4792 | * | |
4793 | * @dev: class device that is converted into a Scsi_host. | |
4794 | * @attr: device attribute, not used. | |
4795 | * @buf: containing the string the number of vfs to be enabled. | |
4796 | * @count: unused variable. | |
4797 | * | |
4798 | * Description: | |
4799 | * When this api is called either through user sysfs, the driver shall | |
4800 | * try to enable or disable SR-IOV virtual functions according to the | |
4801 | * following: | |
4802 | * | |
4803 | * If zero virtual function has been enabled to the physical function, | |
4804 | * the driver shall invoke the pci enable virtual function api trying | |
4805 | * to enable the virtual functions. If the nr_vfn provided is greater | |
4806 | * than the maximum supported, the maximum virtual function number will | |
4807 | * be used for invoking the api; otherwise, the nr_vfn provided shall | |
4808 | * be used for invoking the api. If the api call returned success, the | |
4809 | * actual number of virtual functions enabled will be set to the driver | |
4810 | * cfg_sriov_nr_virtfn; otherwise, -EINVAL shall be returned and driver | |
4811 | * cfg_sriov_nr_virtfn remains zero. | |
4812 | * | |
4813 | * If none-zero virtual functions have already been enabled to the | |
4814 | * physical function, as reflected by the driver's cfg_sriov_nr_virtfn, | |
4815 | * -EINVAL will be returned and the driver does nothing; | |
4816 | * | |
4817 | * If the nr_vfn provided is zero and none-zero virtual functions have | |
4818 | * been enabled, as indicated by the driver's cfg_sriov_nr_virtfn, the | |
4819 | * disabling virtual function api shall be invoded to disable all the | |
4820 | * virtual functions and driver's cfg_sriov_nr_virtfn shall be set to | |
4821 | * zero. Otherwise, if zero virtual function has been enabled, do | |
4822 | * nothing. | |
4823 | * | |
4824 | * Returns: | |
4825 | * length of the buf on success if val is in range the intended mode | |
4826 | * is supported. | |
4827 | * -EINVAL if val out of range or intended mode is not supported. | |
4828 | **/ | |
4829 | static ssize_t | |
4830 | lpfc_sriov_nr_virtfn_store(struct device *dev, struct device_attribute *attr, | |
4831 | const char *buf, size_t count) | |
4832 | { | |
4833 | struct Scsi_Host *shost = class_to_shost(dev); | |
4834 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
4835 | struct lpfc_hba *phba = vport->phba; | |
4836 | struct pci_dev *pdev = phba->pcidev; | |
4837 | int val = 0, rc = -EINVAL; | |
4838 | ||
4839 | /* Sanity check on user data */ | |
4840 | if (!isdigit(buf[0])) | |
4841 | return -EINVAL; | |
4842 | if (sscanf(buf, "%i", &val) != 1) | |
4843 | return -EINVAL; | |
4844 | if (val < 0) | |
4845 | return -EINVAL; | |
4846 | ||
4847 | /* Request disabling virtual functions */ | |
4848 | if (val == 0) { | |
4849 | if (phba->cfg_sriov_nr_virtfn > 0) { | |
4850 | pci_disable_sriov(pdev); | |
4851 | phba->cfg_sriov_nr_virtfn = 0; | |
4852 | } | |
4853 | return strlen(buf); | |
4854 | } | |
4855 | ||
4856 | /* Request enabling virtual functions */ | |
4857 | if (phba->cfg_sriov_nr_virtfn > 0) { | |
4858 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4859 | "3018 There are %d virtual functions " | |
4860 | "enabled on physical function.\n", | |
4861 | phba->cfg_sriov_nr_virtfn); | |
4862 | return -EEXIST; | |
4863 | } | |
4864 | ||
4865 | if (val <= LPFC_MAX_VFN_PER_PFN) | |
4866 | phba->cfg_sriov_nr_virtfn = val; | |
4867 | else { | |
4868 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4869 | "3019 Enabling %d virtual functions is not " | |
4870 | "allowed.\n", val); | |
4871 | return -EINVAL; | |
4872 | } | |
4873 | ||
4874 | rc = lpfc_sli_probe_sriov_nr_virtfn(phba, phba->cfg_sriov_nr_virtfn); | |
4875 | if (rc) { | |
4876 | phba->cfg_sriov_nr_virtfn = 0; | |
4877 | rc = -EPERM; | |
4878 | } else | |
4879 | rc = strlen(buf); | |
4880 | ||
4881 | return rc; | |
4882 | } | |
4883 | ||
0cfbbf2f JS |
4884 | LPFC_ATTR(sriov_nr_virtfn, LPFC_DEF_VFN_PER_PFN, 0, LPFC_MAX_VFN_PER_PFN, |
4885 | "Enable PCIe device SR-IOV virtual fn"); | |
912e3acd | 4886 | |
0cfbbf2f | 4887 | lpfc_param_show(sriov_nr_virtfn) |
b6b996b6 | 4888 | static DEVICE_ATTR_RW(lpfc_sriov_nr_virtfn); |
912e3acd | 4889 | |
c71ab861 JS |
4890 | /** |
4891 | * lpfc_request_firmware_store - Request for Linux generic firmware upgrade | |
4892 | * | |
4893 | * @dev: class device that is converted into a Scsi_host. | |
4894 | * @attr: device attribute, not used. | |
4895 | * @buf: containing the string the number of vfs to be enabled. | |
4896 | * @count: unused variable. | |
4897 | * | |
4898 | * Description: | |
4899 | * | |
4900 | * Returns: | |
4901 | * length of the buf on success if val is in range the intended mode | |
4902 | * is supported. | |
4903 | * -EINVAL if val out of range or intended mode is not supported. | |
4904 | **/ | |
4905 | static ssize_t | |
4906 | lpfc_request_firmware_upgrade_store(struct device *dev, | |
4907 | struct device_attribute *attr, | |
4908 | const char *buf, size_t count) | |
4909 | { | |
4910 | struct Scsi_Host *shost = class_to_shost(dev); | |
4911 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
4912 | struct lpfc_hba *phba = vport->phba; | |
4913 | int val = 0, rc = -EINVAL; | |
4914 | ||
4915 | /* Sanity check on user data */ | |
4916 | if (!isdigit(buf[0])) | |
4917 | return -EINVAL; | |
4918 | if (sscanf(buf, "%i", &val) != 1) | |
4919 | return -EINVAL; | |
4920 | if (val != 1) | |
4921 | return -EINVAL; | |
4922 | ||
4923 | rc = lpfc_sli4_request_firmware_update(phba, RUN_FW_UPGRADE); | |
4924 | if (rc) | |
4925 | rc = -EPERM; | |
4926 | else | |
4927 | rc = strlen(buf); | |
4928 | return rc; | |
4929 | } | |
4930 | ||
4931 | static int lpfc_req_fw_upgrade; | |
4932 | module_param(lpfc_req_fw_upgrade, int, S_IRUGO|S_IWUSR); | |
4933 | MODULE_PARM_DESC(lpfc_req_fw_upgrade, "Enable Linux generic firmware upgrade"); | |
4934 | lpfc_param_show(request_firmware_upgrade) | |
4935 | ||
4936 | /** | |
4937 | * lpfc_request_firmware_upgrade_init - Enable initial linux generic fw upgrade | |
4938 | * @phba: lpfc_hba pointer. | |
4939 | * @val: 0 or 1. | |
4940 | * | |
4941 | * Description: | |
4942 | * Set the initial Linux generic firmware upgrade enable or disable flag. | |
4943 | * | |
4944 | * Returns: | |
4945 | * zero if val saved. | |
4946 | * -EINVAL val out of range | |
4947 | **/ | |
4948 | static int | |
4949 | lpfc_request_firmware_upgrade_init(struct lpfc_hba *phba, int val) | |
4950 | { | |
4951 | if (val >= 0 && val <= 1) { | |
4952 | phba->cfg_request_firmware_upgrade = val; | |
4953 | return 0; | |
4954 | } | |
4955 | return -EINVAL; | |
4956 | } | |
4957 | static DEVICE_ATTR(lpfc_req_fw_upgrade, S_IRUGO | S_IWUSR, | |
4958 | lpfc_request_firmware_upgrade_show, | |
4959 | lpfc_request_firmware_upgrade_store); | |
4960 | ||
41b194b8 JS |
4961 | /** |
4962 | * lpfc_force_rscn_store | |
4963 | * | |
4964 | * @dev: class device that is converted into a Scsi_host. | |
4965 | * @attr: device attribute, not used. | |
4966 | * @buf: unused string | |
4967 | * @count: unused variable. | |
4968 | * | |
4969 | * Description: | |
4970 | * Force the switch to send a RSCN to all other NPorts in our zone | |
4971 | * If we are direct connect pt2pt, build the RSCN command ourself | |
4972 | * and send to the other NPort. Not supported for private loop. | |
4973 | * | |
4974 | * Returns: | |
4975 | * 0 - on success | |
4976 | * -EIO - if command is not sent | |
4977 | **/ | |
4978 | static ssize_t | |
4979 | lpfc_force_rscn_store(struct device *dev, struct device_attribute *attr, | |
4980 | const char *buf, size_t count) | |
4981 | { | |
4982 | struct Scsi_Host *shost = class_to_shost(dev); | |
4983 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
4984 | int i; | |
4985 | ||
4986 | i = lpfc_issue_els_rscn(vport, 0); | |
4987 | if (i) | |
4988 | return -EIO; | |
4989 | return strlen(buf); | |
4990 | } | |
4991 | ||
4992 | /* | |
4993 | * lpfc_force_rscn: Force an RSCN to be sent to all remote NPorts | |
4994 | * connected to the HBA. | |
4995 | * | |
4996 | * Value range is any ascii value | |
4997 | */ | |
4998 | static int lpfc_force_rscn; | |
4999 | module_param(lpfc_force_rscn, int, 0644); | |
5000 | MODULE_PARM_DESC(lpfc_force_rscn, | |
5001 | "Force an RSCN to be sent to all remote NPorts"); | |
5002 | lpfc_param_show(force_rscn) | |
5003 | ||
5004 | /** | |
5005 | * lpfc_force_rscn_init - Force an RSCN to be sent to all remote NPorts | |
5006 | * @phba: lpfc_hba pointer. | |
5007 | * @val: unused value. | |
5008 | * | |
5009 | * Returns: | |
5010 | * zero if val saved. | |
5011 | **/ | |
5012 | static int | |
5013 | lpfc_force_rscn_init(struct lpfc_hba *phba, int val) | |
5014 | { | |
5015 | return 0; | |
5016 | } | |
5017 | static DEVICE_ATTR_RW(lpfc_force_rscn); | |
5018 | ||
173edbb2 JS |
5019 | /** |
5020 | * lpfc_fcp_imax_store | |
5021 | * | |
5022 | * @dev: class device that is converted into a Scsi_host. | |
5023 | * @attr: device attribute, not used. | |
5024 | * @buf: string with the number of fast-path FCP interrupts per second. | |
5025 | * @count: unused variable. | |
5026 | * | |
5027 | * Description: | |
5028 | * If val is in a valid range [636,651042], then set the adapter's | |
5029 | * maximum number of fast-path FCP interrupts per second. | |
5030 | * | |
5031 | * Returns: | |
5032 | * length of the buf on success if val is in range the intended mode | |
5033 | * is supported. | |
5034 | * -EINVAL if val out of range or intended mode is not supported. | |
5035 | **/ | |
5036 | static ssize_t | |
5037 | lpfc_fcp_imax_store(struct device *dev, struct device_attribute *attr, | |
5038 | const char *buf, size_t count) | |
5039 | { | |
5040 | struct Scsi_Host *shost = class_to_shost(dev); | |
5041 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
5042 | struct lpfc_hba *phba = vport->phba; | |
32517fc0 | 5043 | struct lpfc_eq_intr_info *eqi; |
cb733e35 | 5044 | uint32_t usdelay; |
173edbb2 JS |
5045 | int val = 0, i; |
5046 | ||
bf8dae83 JS |
5047 | /* fcp_imax is only valid for SLI4 */ |
5048 | if (phba->sli_rev != LPFC_SLI_REV4) | |
5049 | return -EINVAL; | |
5050 | ||
173edbb2 JS |
5051 | /* Sanity check on user data */ |
5052 | if (!isdigit(buf[0])) | |
5053 | return -EINVAL; | |
5054 | if (sscanf(buf, "%i", &val) != 1) | |
5055 | return -EINVAL; | |
5056 | ||
bf8dae83 JS |
5057 | /* |
5058 | * Value range for the HBA is [5000,5000000] | |
5059 | * The value for each EQ depends on how many EQs are configured. | |
895427bd | 5060 | * Allow value == 0 |
bf8dae83 | 5061 | */ |
895427bd | 5062 | if (val && (val < LPFC_MIN_IMAX || val > LPFC_MAX_IMAX)) |
173edbb2 JS |
5063 | return -EINVAL; |
5064 | ||
32517fc0 JS |
5065 | phba->cfg_auto_imax = (val) ? 0 : 1; |
5066 | if (phba->cfg_fcp_imax && !val) { | |
5067 | queue_delayed_work(phba->wq, &phba->eq_delay_work, | |
5068 | msecs_to_jiffies(LPFC_EQ_DELAY_MSECS)); | |
5069 | ||
5070 | for_each_present_cpu(i) { | |
5071 | eqi = per_cpu_ptr(phba->sli4_hba.eq_info, i); | |
5072 | eqi->icnt = 0; | |
5073 | } | |
5074 | } | |
5075 | ||
173edbb2 | 5076 | phba->cfg_fcp_imax = (uint32_t)val; |
43140ca6 | 5077 | |
cb733e35 JS |
5078 | if (phba->cfg_fcp_imax) |
5079 | usdelay = LPFC_SEC_TO_USEC / phba->cfg_fcp_imax; | |
5080 | else | |
5081 | usdelay = 0; | |
5082 | ||
6a828b0f | 5083 | for (i = 0; i < phba->cfg_irq_chann; i += LPFC_MAX_EQ_DELAY_EQID_CNT) |
0cf07f84 | 5084 | lpfc_modify_hba_eq_delay(phba, i, LPFC_MAX_EQ_DELAY_EQID_CNT, |
cb733e35 | 5085 | usdelay); |
173edbb2 JS |
5086 | |
5087 | return strlen(buf); | |
5088 | } | |
5089 | ||
5090 | /* | |
5091 | # lpfc_fcp_imax: The maximum number of fast-path FCP interrupts per second | |
bf8dae83 | 5092 | # for the HBA. |
173edbb2 | 5093 | # |
bf8dae83 | 5094 | # Value range is [5,000 to 5,000,000]. Default value is 50,000. |
173edbb2 | 5095 | */ |
bf8dae83 | 5096 | static int lpfc_fcp_imax = LPFC_DEF_IMAX; |
173edbb2 JS |
5097 | module_param(lpfc_fcp_imax, int, S_IRUGO|S_IWUSR); |
5098 | MODULE_PARM_DESC(lpfc_fcp_imax, | |
bf8dae83 | 5099 | "Set the maximum number of FCP interrupts per second per HBA"); |
173edbb2 JS |
5100 | lpfc_param_show(fcp_imax) |
5101 | ||
5102 | /** | |
5103 | * lpfc_fcp_imax_init - Set the initial sr-iov virtual function enable | |
5104 | * @phba: lpfc_hba pointer. | |
5105 | * @val: link speed value. | |
5106 | * | |
5107 | * Description: | |
5108 | * If val is in a valid range [636,651042], then initialize the adapter's | |
5109 | * maximum number of fast-path FCP interrupts per second. | |
5110 | * | |
5111 | * Returns: | |
5112 | * zero if val saved. | |
5113 | * -EINVAL val out of range | |
5114 | **/ | |
5115 | static int | |
5116 | lpfc_fcp_imax_init(struct lpfc_hba *phba, int val) | |
5117 | { | |
bf8dae83 JS |
5118 | if (phba->sli_rev != LPFC_SLI_REV4) { |
5119 | phba->cfg_fcp_imax = 0; | |
5120 | return 0; | |
5121 | } | |
5122 | ||
895427bd JS |
5123 | if ((val >= LPFC_MIN_IMAX && val <= LPFC_MAX_IMAX) || |
5124 | (val == 0)) { | |
173edbb2 JS |
5125 | phba->cfg_fcp_imax = val; |
5126 | return 0; | |
5127 | } | |
5128 | ||
5129 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6c86068d JS |
5130 | "3016 lpfc_fcp_imax: %d out of range, using default\n", |
5131 | val); | |
bf8dae83 | 5132 | phba->cfg_fcp_imax = LPFC_DEF_IMAX; |
173edbb2 JS |
5133 | |
5134 | return 0; | |
5135 | } | |
5136 | ||
b6b996b6 | 5137 | static DEVICE_ATTR_RW(lpfc_fcp_imax); |
173edbb2 | 5138 | |
32517fc0 JS |
5139 | /** |
5140 | * lpfc_cq_max_proc_limit_store | |
5141 | * | |
5142 | * @dev: class device that is converted into a Scsi_host. | |
5143 | * @attr: device attribute, not used. | |
5144 | * @buf: string with the cq max processing limit of cqes | |
5145 | * @count: unused variable. | |
5146 | * | |
5147 | * Description: | |
5148 | * If val is in a valid range, then set value on each cq | |
5149 | * | |
5150 | * Returns: | |
5151 | * The length of the buf: if successful | |
5152 | * -ERANGE: if val is not in the valid range | |
5153 | * -EINVAL: if bad value format or intended mode is not supported. | |
5154 | **/ | |
5155 | static ssize_t | |
5156 | lpfc_cq_max_proc_limit_store(struct device *dev, struct device_attribute *attr, | |
5157 | const char *buf, size_t count) | |
5158 | { | |
5159 | struct Scsi_Host *shost = class_to_shost(dev); | |
5160 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
5161 | struct lpfc_hba *phba = vport->phba; | |
5162 | struct lpfc_queue *eq, *cq; | |
5163 | unsigned long val; | |
5164 | int i; | |
5165 | ||
5166 | /* cq_max_proc_limit is only valid for SLI4 */ | |
5167 | if (phba->sli_rev != LPFC_SLI_REV4) | |
5168 | return -EINVAL; | |
5169 | ||
5170 | /* Sanity check on user data */ | |
5171 | if (!isdigit(buf[0])) | |
5172 | return -EINVAL; | |
5173 | if (kstrtoul(buf, 0, &val)) | |
5174 | return -EINVAL; | |
5175 | ||
5176 | if (val < LPFC_CQ_MIN_PROC_LIMIT || val > LPFC_CQ_MAX_PROC_LIMIT) | |
5177 | return -ERANGE; | |
5178 | ||
5179 | phba->cfg_cq_max_proc_limit = (uint32_t)val; | |
5180 | ||
5181 | /* set the values on the cq's */ | |
5182 | for (i = 0; i < phba->cfg_irq_chann; i++) { | |
657add4e JS |
5183 | /* Get the EQ corresponding to the IRQ vector */ |
5184 | eq = phba->sli4_hba.hba_eq_hdl[i].eq; | |
32517fc0 JS |
5185 | if (!eq) |
5186 | continue; | |
5187 | ||
5188 | list_for_each_entry(cq, &eq->child_list, list) | |
5189 | cq->max_proc_limit = min(phba->cfg_cq_max_proc_limit, | |
5190 | cq->entry_count); | |
5191 | } | |
5192 | ||
5193 | return strlen(buf); | |
5194 | } | |
5195 | ||
0cf07f84 | 5196 | /* |
32517fc0 JS |
5197 | * lpfc_cq_max_proc_limit: The maximum number CQE entries processed in an |
5198 | * itteration of CQ processing. | |
0cf07f84 | 5199 | */ |
32517fc0 JS |
5200 | static int lpfc_cq_max_proc_limit = LPFC_CQ_DEF_MAX_PROC_LIMIT; |
5201 | module_param(lpfc_cq_max_proc_limit, int, 0644); | |
5202 | MODULE_PARM_DESC(lpfc_cq_max_proc_limit, | |
5203 | "Set the maximum number CQEs processed in an iteration of " | |
5204 | "CQ processing"); | |
5205 | lpfc_param_show(cq_max_proc_limit) | |
5206 | ||
5207 | /* | |
5208 | * lpfc_cq_poll_threshold: Set the threshold of CQE completions in a | |
5209 | * single handler call which should request a polled completion rather | |
5210 | * than re-enabling interrupts. | |
5211 | */ | |
5212 | LPFC_ATTR_RW(cq_poll_threshold, LPFC_CQ_DEF_THRESHOLD_TO_POLL, | |
5213 | LPFC_CQ_MIN_THRESHOLD_TO_POLL, | |
5214 | LPFC_CQ_MAX_THRESHOLD_TO_POLL, | |
5215 | "CQE Processing Threshold to enable Polling"); | |
5216 | ||
5217 | /** | |
5218 | * lpfc_cq_max_proc_limit_init - Set the initial cq max_proc_limit | |
5219 | * @phba: lpfc_hba pointer. | |
5220 | * @val: entry limit | |
5221 | * | |
5222 | * Description: | |
5223 | * If val is in a valid range, then initialize the adapter's maximum | |
5224 | * value. | |
5225 | * | |
5226 | * Returns: | |
5227 | * Always returns 0 for success, even if value not always set to | |
5228 | * requested value. If value out of range or not supported, will fall | |
5229 | * back to default. | |
5230 | **/ | |
5231 | static int | |
5232 | lpfc_cq_max_proc_limit_init(struct lpfc_hba *phba, int val) | |
5233 | { | |
5234 | phba->cfg_cq_max_proc_limit = LPFC_CQ_DEF_MAX_PROC_LIMIT; | |
5235 | ||
5236 | if (phba->sli_rev != LPFC_SLI_REV4) | |
5237 | return 0; | |
5238 | ||
5239 | if (val >= LPFC_CQ_MIN_PROC_LIMIT && val <= LPFC_CQ_MAX_PROC_LIMIT) { | |
5240 | phba->cfg_cq_max_proc_limit = val; | |
5241 | return 0; | |
5242 | } | |
5243 | ||
5244 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5245 | "0371 "LPFC_DRIVER_NAME"_cq_max_proc_limit: " | |
5246 | "%d out of range, using default\n", | |
5247 | phba->cfg_cq_max_proc_limit); | |
5248 | ||
5249 | return 0; | |
5250 | } | |
5251 | ||
5252 | static DEVICE_ATTR_RW(lpfc_cq_max_proc_limit); | |
0cf07f84 | 5253 | |
7bb03bbf JS |
5254 | /** |
5255 | * lpfc_state_show - Display current driver CPU affinity | |
5256 | * @dev: class converted to a Scsi_host structure. | |
5257 | * @attr: device attribute, not used. | |
5258 | * @buf: on return contains text describing the state of the link. | |
5259 | * | |
5260 | * Returns: size of formatted string. | |
5261 | **/ | |
5262 | static ssize_t | |
5263 | lpfc_fcp_cpu_map_show(struct device *dev, struct device_attribute *attr, | |
5264 | char *buf) | |
5265 | { | |
5266 | struct Scsi_Host *shost = class_to_shost(dev); | |
5267 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
5268 | struct lpfc_hba *phba = vport->phba; | |
5269 | struct lpfc_vector_map_info *cpup; | |
76fd07a6 | 5270 | int len = 0; |
7bb03bbf JS |
5271 | |
5272 | if ((phba->sli_rev != LPFC_SLI_REV4) || | |
5273 | (phba->intr_type != MSIX)) | |
5274 | return len; | |
5275 | ||
5276 | switch (phba->cfg_fcp_cpu_map) { | |
5277 | case 0: | |
e7f7b6f3 | 5278 | len += scnprintf(buf + len, PAGE_SIZE-len, |
7bb03bbf JS |
5279 | "fcp_cpu_map: No mapping (%d)\n", |
5280 | phba->cfg_fcp_cpu_map); | |
5281 | return len; | |
5282 | case 1: | |
e7f7b6f3 | 5283 | len += scnprintf(buf + len, PAGE_SIZE-len, |
7bb03bbf | 5284 | "fcp_cpu_map: HBA centric mapping (%d): " |
222e9239 JS |
5285 | "%d of %d CPUs online from %d possible CPUs\n", |
5286 | phba->cfg_fcp_cpu_map, num_online_cpus(), | |
5287 | num_present_cpus(), | |
5288 | phba->sli4_hba.num_possible_cpu); | |
7bb03bbf | 5289 | break; |
7bb03bbf JS |
5290 | } |
5291 | ||
222e9239 JS |
5292 | while (phba->sli4_hba.curr_disp_cpu < |
5293 | phba->sli4_hba.num_possible_cpu) { | |
76fd07a6 JS |
5294 | cpup = &phba->sli4_hba.cpu_map[phba->sli4_hba.curr_disp_cpu]; |
5295 | ||
222e9239 | 5296 | if (!cpu_present(phba->sli4_hba.curr_disp_cpu)) |
e7f7b6f3 | 5297 | len += scnprintf(buf + len, PAGE_SIZE - len, |
222e9239 JS |
5298 | "CPU %02d not present\n", |
5299 | phba->sli4_hba.curr_disp_cpu); | |
5300 | else if (cpup->irq == LPFC_VECTOR_MAP_EMPTY) { | |
b3295c2a | 5301 | if (cpup->hdwq == LPFC_VECTOR_MAP_EMPTY) |
e7f7b6f3 | 5302 | len += scnprintf( |
b3295c2a JS |
5303 | buf + len, PAGE_SIZE - len, |
5304 | "CPU %02d hdwq None " | |
d9954a2d | 5305 | "physid %d coreid %d ht %d ua %d\n", |
76fd07a6 | 5306 | phba->sli4_hba.curr_disp_cpu, |
d9954a2d JS |
5307 | cpup->phys_id, cpup->core_id, |
5308 | (cpup->flag & LPFC_CPU_MAP_HYPER), | |
5309 | (cpup->flag & LPFC_CPU_MAP_UNASSIGN)); | |
b3295c2a | 5310 | else |
e7f7b6f3 | 5311 | len += scnprintf( |
b3295c2a | 5312 | buf + len, PAGE_SIZE - len, |
6a828b0f | 5313 | "CPU %02d EQ %04d hdwq %04d " |
d9954a2d | 5314 | "physid %d coreid %d ht %d ua %d\n", |
b3295c2a | 5315 | phba->sli4_hba.curr_disp_cpu, |
6a828b0f | 5316 | cpup->eq, cpup->hdwq, cpup->phys_id, |
d9954a2d JS |
5317 | cpup->core_id, |
5318 | (cpup->flag & LPFC_CPU_MAP_HYPER), | |
5319 | (cpup->flag & LPFC_CPU_MAP_UNASSIGN)); | |
b3295c2a JS |
5320 | } else { |
5321 | if (cpup->hdwq == LPFC_VECTOR_MAP_EMPTY) | |
e7f7b6f3 | 5322 | len += scnprintf( |
b3295c2a JS |
5323 | buf + len, PAGE_SIZE - len, |
5324 | "CPU %02d hdwq None " | |
d9954a2d | 5325 | "physid %d coreid %d ht %d ua %d IRQ %d\n", |
b3295c2a JS |
5326 | phba->sli4_hba.curr_disp_cpu, |
5327 | cpup->phys_id, | |
d9954a2d JS |
5328 | cpup->core_id, |
5329 | (cpup->flag & LPFC_CPU_MAP_HYPER), | |
5330 | (cpup->flag & LPFC_CPU_MAP_UNASSIGN), | |
5331 | cpup->irq); | |
b3295c2a | 5332 | else |
e7f7b6f3 | 5333 | len += scnprintf( |
b3295c2a | 5334 | buf + len, PAGE_SIZE - len, |
6a828b0f | 5335 | "CPU %02d EQ %04d hdwq %04d " |
d9954a2d | 5336 | "physid %d coreid %d ht %d ua %d IRQ %d\n", |
76fd07a6 | 5337 | phba->sli4_hba.curr_disp_cpu, |
6a828b0f | 5338 | cpup->eq, cpup->hdwq, cpup->phys_id, |
d9954a2d JS |
5339 | cpup->core_id, |
5340 | (cpup->flag & LPFC_CPU_MAP_HYPER), | |
5341 | (cpup->flag & LPFC_CPU_MAP_UNASSIGN), | |
5342 | cpup->irq); | |
b3295c2a | 5343 | } |
7bb03bbf | 5344 | |
76fd07a6 JS |
5345 | phba->sli4_hba.curr_disp_cpu++; |
5346 | ||
5347 | /* display max number of CPUs keeping some margin */ | |
5348 | if (phba->sli4_hba.curr_disp_cpu < | |
222e9239 | 5349 | phba->sli4_hba.num_possible_cpu && |
76fd07a6 | 5350 | (len >= (PAGE_SIZE - 64))) { |
e7f7b6f3 | 5351 | len += scnprintf(buf + len, |
222e9239 | 5352 | PAGE_SIZE - len, "more...\n"); |
76fd07a6 JS |
5353 | break; |
5354 | } | |
7bb03bbf | 5355 | } |
76fd07a6 | 5356 | |
222e9239 | 5357 | if (phba->sli4_hba.curr_disp_cpu == phba->sli4_hba.num_possible_cpu) |
76fd07a6 JS |
5358 | phba->sli4_hba.curr_disp_cpu = 0; |
5359 | ||
7bb03bbf JS |
5360 | return len; |
5361 | } | |
5362 | ||
5363 | /** | |
5364 | * lpfc_fcp_cpu_map_store - Change CPU affinity of driver vectors | |
5365 | * @dev: class device that is converted into a Scsi_host. | |
5366 | * @attr: device attribute, not used. | |
5367 | * @buf: one or more lpfc_polling_flags values. | |
5368 | * @count: not used. | |
5369 | * | |
5370 | * Returns: | |
5371 | * -EINVAL - Not implemented yet. | |
5372 | **/ | |
5373 | static ssize_t | |
5374 | lpfc_fcp_cpu_map_store(struct device *dev, struct device_attribute *attr, | |
5375 | const char *buf, size_t count) | |
5376 | { | |
5377 | int status = -EINVAL; | |
5378 | return status; | |
5379 | } | |
5380 | ||
5381 | /* | |
5382 | # lpfc_fcp_cpu_map: Defines how to map CPUs to IRQ vectors | |
5383 | # for the HBA. | |
5384 | # | |
6a828b0f | 5385 | # Value range is [0 to 1]. Default value is LPFC_HBA_CPU_MAP (1). |
7bb03bbf JS |
5386 | # 0 - Do not affinitze IRQ vectors |
5387 | # 1 - Affintize HBA vectors with respect to each HBA | |
5388 | # (start with CPU0 for each HBA) | |
6a828b0f | 5389 | # This also defines how Hardware Queues are mapped to specific CPUs. |
7bb03bbf | 5390 | */ |
6a828b0f | 5391 | static int lpfc_fcp_cpu_map = LPFC_HBA_CPU_MAP; |
7bb03bbf JS |
5392 | module_param(lpfc_fcp_cpu_map, int, S_IRUGO|S_IWUSR); |
5393 | MODULE_PARM_DESC(lpfc_fcp_cpu_map, | |
5394 | "Defines how to map CPUs to IRQ vectors per HBA"); | |
5395 | ||
5396 | /** | |
5397 | * lpfc_fcp_cpu_map_init - Set the initial sr-iov virtual function enable | |
5398 | * @phba: lpfc_hba pointer. | |
5399 | * @val: link speed value. | |
5400 | * | |
5401 | * Description: | |
5402 | * If val is in a valid range [0-2], then affinitze the adapter's | |
5403 | * MSIX vectors. | |
5404 | * | |
5405 | * Returns: | |
5406 | * zero if val saved. | |
5407 | * -EINVAL val out of range | |
5408 | **/ | |
5409 | static int | |
5410 | lpfc_fcp_cpu_map_init(struct lpfc_hba *phba, int val) | |
5411 | { | |
5412 | if (phba->sli_rev != LPFC_SLI_REV4) { | |
5413 | phba->cfg_fcp_cpu_map = 0; | |
5414 | return 0; | |
5415 | } | |
5416 | ||
5417 | if (val >= LPFC_MIN_CPU_MAP && val <= LPFC_MAX_CPU_MAP) { | |
5418 | phba->cfg_fcp_cpu_map = val; | |
5419 | return 0; | |
5420 | } | |
5421 | ||
5422 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6c86068d JS |
5423 | "3326 lpfc_fcp_cpu_map: %d out of range, using " |
5424 | "default\n", val); | |
6a828b0f | 5425 | phba->cfg_fcp_cpu_map = LPFC_HBA_CPU_MAP; |
7bb03bbf JS |
5426 | |
5427 | return 0; | |
5428 | } | |
5429 | ||
b6b996b6 | 5430 | static DEVICE_ATTR_RW(lpfc_fcp_cpu_map); |
7bb03bbf | 5431 | |
dea3101e JB |
5432 | /* |
5433 | # lpfc_fcp_class: Determines FC class to use for the FCP protocol. | |
5434 | # Value range is [2,3]. Default value is 3. | |
5435 | */ | |
3de2a653 JS |
5436 | LPFC_VPORT_ATTR_R(fcp_class, 3, 2, 3, |
5437 | "Select Fibre Channel class of service for FCP sequences"); | |
dea3101e JB |
5438 | |
5439 | /* | |
5440 | # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range | |
5441 | # is [0,1]. Default value is 0. | |
5442 | */ | |
3de2a653 JS |
5443 | LPFC_VPORT_ATTR_RW(use_adisc, 0, 0, 1, |
5444 | "Use ADISC on rediscovery to authenticate FCP devices"); | |
dea3101e | 5445 | |
3cb01c57 JS |
5446 | /* |
5447 | # lpfc_first_burst_size: First burst size to use on the NPorts | |
5448 | # that support first burst. | |
5449 | # Value range is [0,65536]. Default value is 0. | |
5450 | */ | |
5451 | LPFC_VPORT_ATTR_RW(first_burst_size, 0, 0, 65536, | |
5452 | "First burst size for Targets that support first burst"); | |
5453 | ||
895427bd | 5454 | /* |
2d7dbc4c JS |
5455 | * lpfc_nvmet_fb_size: NVME Target mode supported first burst size. |
5456 | * When the driver is configured as an NVME target, this value is | |
5457 | * communicated to the NVME initiator in the PRLI response. It is | |
5458 | * used only when the lpfc_nvme_enable_fb and lpfc_nvmet_support | |
5459 | * parameters are set and the target is sending the PRLI RSP. | |
895427bd | 5460 | * Parameter supported on physical port only - no NPIV support. |
2d7dbc4c | 5461 | * Value range is [0,65536]. Default value is 0. |
895427bd | 5462 | */ |
2d7dbc4c JS |
5463 | LPFC_ATTR_RW(nvmet_fb_size, 0, 0, 65536, |
5464 | "NVME Target mode first burst size in 512B increments."); | |
5465 | ||
5466 | /* | |
5467 | * lpfc_nvme_enable_fb: Enable NVME first burst on I and T functions. | |
5468 | * For the Initiator (I), enabling this parameter means that an NVMET | |
5469 | * PRLI response with FBA enabled and an FB_SIZE set to a nonzero value will be | |
5470 | * processed by the initiator for subsequent NVME FCP IO. For the target | |
5471 | * function (T), enabling this parameter qualifies the lpfc_nvmet_fb_size | |
5472 | * driver parameter as the target function's first burst size returned to the | |
5473 | * initiator in the target's NVME PRLI response. Parameter supported on physical | |
5474 | * port only - no NPIV support. | |
5475 | * Value range is [0,1]. Default value is 0 (disabled). | |
5476 | */ | |
895427bd JS |
5477 | LPFC_ATTR_RW(nvme_enable_fb, 0, 0, 1, |
5478 | "Enable First Burst feature on I and T functions."); | |
5479 | ||
977b5a0a JS |
5480 | /* |
5481 | # lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue | |
5482 | # depth. Default value is 0. When the value of this parameter is zero the | |
5483 | # SCSI command completion time is not used for controlling I/O queue depth. When | |
5484 | # the parameter is set to a non-zero value, the I/O queue depth is controlled | |
5485 | # to limit the I/O completion time to the parameter value. | |
5486 | # The value is set in milliseconds. | |
5487 | */ | |
ed5b1529 | 5488 | LPFC_VPORT_ATTR(max_scsicmpl_time, 0, 0, 60000, |
977b5a0a | 5489 | "Use command completion time to control queue depth"); |
ed5b1529 | 5490 | |
977b5a0a | 5491 | lpfc_vport_param_show(max_scsicmpl_time); |
977b5a0a JS |
5492 | static int |
5493 | lpfc_max_scsicmpl_time_set(struct lpfc_vport *vport, int val) | |
5494 | { | |
5495 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
5496 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
5497 | ||
5498 | if (val == vport->cfg_max_scsicmpl_time) | |
5499 | return 0; | |
5500 | if ((val < 0) || (val > 60000)) | |
5501 | return -EINVAL; | |
5502 | vport->cfg_max_scsicmpl_time = val; | |
5503 | ||
5504 | spin_lock_irq(shost->host_lock); | |
5505 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
5506 | if (!NLP_CHK_NODE_ACT(ndlp)) | |
5507 | continue; | |
5508 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) | |
5509 | continue; | |
7dc517df | 5510 | ndlp->cmd_qdepth = vport->cfg_tgt_queue_depth; |
977b5a0a JS |
5511 | } |
5512 | spin_unlock_irq(shost->host_lock); | |
5513 | return 0; | |
5514 | } | |
5515 | lpfc_vport_param_store(max_scsicmpl_time); | |
b6b996b6 | 5516 | static DEVICE_ATTR_RW(lpfc_max_scsicmpl_time); |
977b5a0a | 5517 | |
dea3101e JB |
5518 | /* |
5519 | # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value | |
5520 | # range is [0,1]. Default value is 0. | |
5521 | */ | |
5522 | LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support"); | |
5523 | ||
c490850a JS |
5524 | /* |
5525 | # lpfc_xri_rebalancing: enable or disable XRI rebalancing feature | |
5526 | # range is [0,1]. Default value is 1. | |
5527 | */ | |
5528 | LPFC_ATTR_R(xri_rebalancing, 1, 0, 1, "Enable/Disable XRI rebalancing"); | |
5529 | ||
49aa143d | 5530 | /* |
895427bd JS |
5531 | * lpfc_io_sched: Determine scheduling algrithmn for issuing FCP cmds |
5532 | * range is [0,1]. Default value is 0. | |
45aa312e JS |
5533 | * For [0], FCP commands are issued to Work Queues based on upper layer |
5534 | * hardware queue index. | |
895427bd JS |
5535 | * For [1], FCP commands are issued to a Work Queue associated with the |
5536 | * current CPU. | |
5537 | * | |
45aa312e | 5538 | * LPFC_FCP_SCHED_BY_HDWQ == 0 |
895427bd JS |
5539 | * LPFC_FCP_SCHED_BY_CPU == 1 |
5540 | * | |
5541 | * The driver dynamically sets this to 1 (BY_CPU) if it's able to set up cpu | |
5542 | * affinity for FCP/NVME I/Os through Work Queues associated with the current | |
5543 | * CPU. Otherwise, the default 0 (Round Robin) scheduling of FCP/NVME I/Os | |
5544 | * through WQs will be used. | |
5545 | */ | |
6a828b0f | 5546 | LPFC_ATTR_RW(fcp_io_sched, LPFC_FCP_SCHED_BY_CPU, |
45aa312e | 5547 | LPFC_FCP_SCHED_BY_HDWQ, |
895427bd JS |
5548 | LPFC_FCP_SCHED_BY_CPU, |
5549 | "Determine scheduling algorithm for " | |
45aa312e | 5550 | "issuing commands [0] - Hardware Queue, [1] - Current CPU"); |
49aa143d | 5551 | |
7ea92eb4 JS |
5552 | /* |
5553 | * lpfc_ns_query: Determine algrithmn for NameServer queries after RSCN | |
5554 | * range is [0,1]. Default value is 0. | |
5555 | * For [0], GID_FT is used for NameServer queries after RSCN (default) | |
5556 | * For [1], GID_PT is used for NameServer queries after RSCN | |
5557 | * | |
5558 | */ | |
5559 | LPFC_ATTR_RW(ns_query, LPFC_NS_QUERY_GID_FT, | |
5560 | LPFC_NS_QUERY_GID_FT, LPFC_NS_QUERY_GID_PT, | |
5561 | "Determine algorithm NameServer queries after RSCN " | |
5562 | "[0] - GID_FT, [1] - GID_PT"); | |
5563 | ||
a6571c6e JS |
5564 | /* |
5565 | # lpfc_fcp2_no_tgt_reset: Determine bus reset behavior | |
5566 | # range is [0,1]. Default value is 0. | |
5567 | # For [0], bus reset issues target reset to ALL devices | |
5568 | # For [1], bus reset issues target reset to non-FCP2 devices | |
5569 | */ | |
5570 | LPFC_ATTR_RW(fcp2_no_tgt_reset, 0, 0, 1, "Determine bus reset behavior for " | |
5571 | "FCP2 devices [0] - issue tgt reset, [1] - no tgt reset"); | |
5572 | ||
5573 | ||
dea3101e JB |
5574 | /* |
5575 | # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing | |
5576 | # cr_delay (msec) or cr_count outstanding commands. cr_delay can take | |
7054a606 | 5577 | # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay |
dea3101e JB |
5578 | # is 0. Default value of cr_count is 1. The cr_count feature is disabled if |
5579 | # cr_delay is set to 0. | |
5580 | */ | |
8189fd19 | 5581 | LPFC_ATTR_RW(cr_delay, 0, 0, 63, "A count of milliseconds after which an " |
dea3101e JB |
5582 | "interrupt response is generated"); |
5583 | ||
8189fd19 | 5584 | LPFC_ATTR_RW(cr_count, 1, 1, 255, "A count of I/O completions after which an " |
dea3101e JB |
5585 | "interrupt response is generated"); |
5586 | ||
cf5bf97e JW |
5587 | /* |
5588 | # lpfc_multi_ring_support: Determines how many rings to spread available | |
5589 | # cmd/rsp IOCB entries across. | |
5590 | # Value range is [1,2]. Default value is 1. | |
5591 | */ | |
5592 | LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary " | |
5593 | "SLI rings to spread IOCB entries across"); | |
5594 | ||
a4bc3379 JS |
5595 | /* |
5596 | # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this | |
5597 | # identifies what rctl value to configure the additional ring for. | |
5598 | # Value range is [1,0xff]. Default value is 4 (Unsolicated Data). | |
5599 | */ | |
6a9c52cf | 5600 | LPFC_ATTR_R(multi_ring_rctl, FC_RCTL_DD_UNSOL_DATA, 1, |
a4bc3379 JS |
5601 | 255, "Identifies RCTL for additional ring configuration"); |
5602 | ||
5603 | /* | |
5604 | # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this | |
5605 | # identifies what type value to configure the additional ring for. | |
5606 | # Value range is [1,0xff]. Default value is 5 (LLC/SNAP). | |
5607 | */ | |
6a9c52cf | 5608 | LPFC_ATTR_R(multi_ring_type, FC_TYPE_IP, 1, |
a4bc3379 JS |
5609 | 255, "Identifies TYPE for additional ring configuration"); |
5610 | ||
dea3101e | 5611 | /* |
4258e98e JS |
5612 | # lpfc_enable_SmartSAN: Sets up FDMI support for SmartSAN |
5613 | # 0 = SmartSAN functionality disabled (default) | |
5614 | # 1 = SmartSAN functionality enabled | |
5615 | # This parameter will override the value of lpfc_fdmi_on module parameter. | |
5616 | # Value range is [0,1]. Default value is 0. | |
dea3101e | 5617 | */ |
4258e98e JS |
5618 | LPFC_ATTR_R(enable_SmartSAN, 0, 0, 1, "Enable SmartSAN functionality"); |
5619 | ||
5620 | /* | |
5621 | # lpfc_fdmi_on: Controls FDMI support. | |
9abd9990 JS |
5622 | # 0 No FDMI support |
5623 | # 1 Traditional FDMI support (default) | |
8663cbbe JS |
5624 | # Traditional FDMI support means the driver will assume FDMI-2 support; |
5625 | # however, if that fails, it will fallback to FDMI-1. | |
5626 | # If lpfc_enable_SmartSAN is set to 1, the driver ignores lpfc_fdmi_on. | |
5627 | # If lpfc_enable_SmartSAN is set 0, the driver uses the current value of | |
5628 | # lpfc_fdmi_on. | |
9abd9990 | 5629 | # Value range [0,1]. Default value is 1. |
4258e98e | 5630 | */ |
9abd9990 | 5631 | LPFC_ATTR_R(fdmi_on, 1, 0, 1, "Enable FDMI support"); |
dea3101e JB |
5632 | |
5633 | /* | |
5634 | # Specifies the maximum number of ELS cmds we can have outstanding (for | |
5635 | # discovery). Value range is [1,64]. Default value = 32. | |
5636 | */ | |
3de2a653 | 5637 | LPFC_VPORT_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands " |
dea3101e JB |
5638 | "during discovery"); |
5639 | ||
5640 | /* | |
c4a7c922 JS |
5641 | # lpfc_max_luns: maximum allowed LUN ID. This is the highest LUN ID that |
5642 | # will be scanned by the SCSI midlayer when sequential scanning is | |
5643 | # used; and is also the highest LUN ID allowed when the SCSI midlayer | |
5644 | # parses REPORT_LUN responses. The lpfc driver has no LUN count or | |
5645 | # LUN ID limit, but the SCSI midlayer requires this field for the uses | |
5646 | # above. The lpfc driver limits the default value to 255 for two reasons. | |
5647 | # As it bounds the sequential scan loop, scanning for thousands of luns | |
5648 | # on a target can take minutes of wall clock time. Additionally, | |
5649 | # there are FC targets, such as JBODs, that only recognize 8-bits of | |
5650 | # LUN ID. When they receive a value greater than 8 bits, they chop off | |
5651 | # the high order bits. In other words, they see LUN IDs 0, 256, 512, | |
5652 | # and so on all as LUN ID 0. This causes the linux kernel, which sees | |
5653 | # valid responses at each of the LUN IDs, to believe there are multiple | |
5654 | # devices present, when in fact, there is only 1. | |
5655 | # A customer that is aware of their target behaviors, and the results as | |
5656 | # indicated above, is welcome to increase the lpfc_max_luns value. | |
5657 | # As mentioned, this value is not used by the lpfc driver, only the | |
5658 | # SCSI midlayer. | |
65a29c16 JS |
5659 | # Value range is [0,65535]. Default value is 255. |
5660 | # NOTE: The SCSI layer might probe all allowed LUN on some old targets. | |
dea3101e | 5661 | */ |
1abf635d | 5662 | LPFC_VPORT_ULL_ATTR_R(max_luns, 255, 0, 65535, "Maximum allowed LUN ID"); |
dea3101e | 5663 | |
875fbdfe JSEC |
5664 | /* |
5665 | # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring. | |
5666 | # Value range is [1,255], default value is 10. | |
5667 | */ | |
5668 | LPFC_ATTR_RW(poll_tmo, 10, 1, 255, | |
5669 | "Milliseconds driver will wait between polling FCP ring"); | |
5670 | ||
4ff43246 | 5671 | /* |
0c411222 JS |
5672 | # lpfc_task_mgmt_tmo: Maximum time to wait for task management commands |
5673 | # to complete in seconds. Value range is [5,180], default value is 60. | |
5674 | */ | |
5675 | LPFC_ATTR_RW(task_mgmt_tmo, 60, 5, 180, | |
5676 | "Maximum time to wait for task management commands to complete"); | |
5677 | /* | |
4ff43246 JS |
5678 | # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that |
5679 | # support this feature | |
8605c46c | 5680 | # 0 = MSI disabled |
4ff43246 | 5681 | # 1 = MSI enabled |
8605c46c GK |
5682 | # 2 = MSI-X enabled (default) |
5683 | # Value range is [0,2]. Default value is 2. | |
4ff43246 | 5684 | */ |
8605c46c | 5685 | LPFC_ATTR_R(use_msi, 2, 0, 2, "Use Message Signaled Interrupts (1) or " |
db2378e0 | 5686 | "MSI-X (2), if possible"); |
4ff43246 | 5687 | |
67d12733 | 5688 | /* |
f358dd0c | 5689 | * lpfc_nvme_oas: Use the oas bit when sending NVME/NVMET IOs |
895427bd JS |
5690 | * |
5691 | * 0 = NVME OAS disabled | |
5692 | * 1 = NVME OAS enabled | |
5693 | * | |
5694 | * Value range is [0,1]. Default value is 0. | |
5695 | */ | |
5696 | LPFC_ATTR_RW(nvme_oas, 0, 0, 1, | |
5697 | "Use OAS bit on NVME IOs"); | |
5698 | ||
4e565cf0 JS |
5699 | /* |
5700 | * lpfc_nvme_embed_cmd: Use the oas bit when sending NVME/NVMET IOs | |
5701 | * | |
5702 | * 0 = Put NVME Command in SGL | |
5703 | * 1 = Embed NVME Command in WQE (unless G7) | |
5704 | * 2 = Embed NVME Command in WQE (force) | |
5705 | * | |
5706 | * Value range is [0,2]. Default value is 1. | |
5707 | */ | |
5708 | LPFC_ATTR_RW(nvme_embed_cmd, 1, 0, 2, | |
5709 | "Embed NVME Command in WQE"); | |
5710 | ||
77ffd346 JS |
5711 | /* |
5712 | * lpfc_fcp_mq_threshold: Set the maximum number of Hardware Queues | |
5713 | * the driver will advertise it supports to the SCSI layer. | |
5714 | * | |
5715 | * 0 = Set nr_hw_queues by the number of CPUs or HW queues. | |
5716 | * 1,128 = Manually specify the maximum nr_hw_queue value to be set, | |
5717 | * | |
0622800d | 5718 | * Value range is [0,256]. Default value is 8. |
77ffd346 JS |
5719 | */ |
5720 | LPFC_ATTR_R(fcp_mq_threshold, LPFC_FCP_MQ_THRESHOLD_DEF, | |
5721 | LPFC_FCP_MQ_THRESHOLD_MIN, LPFC_FCP_MQ_THRESHOLD_MAX, | |
5722 | "Set the number of SCSI Queues advertised"); | |
5723 | ||
895427bd | 5724 | /* |
6a828b0f | 5725 | * lpfc_hdw_queue: Set the number of Hardware Queues the driver |
cdb42bec | 5726 | * will advertise it supports to the NVME and SCSI layers. This also |
6a828b0f | 5727 | * will map to the number of CQ/WQ pairs the driver will create. |
895427bd JS |
5728 | * |
5729 | * The NVME Layer will try to create this many, plus 1 administrative | |
5730 | * hardware queue. The administrative queue will always map to WQ 0 | |
6a828b0f | 5731 | * A hardware IO queue maps (qidx) to a specific driver CQ/WQ. |
895427bd | 5732 | * |
cdb42bec | 5733 | * 0 = Configure the number of hdw queues to the number of active CPUs. |
6a828b0f | 5734 | * 1,128 = Manually specify how many hdw queues to use. |
895427bd | 5735 | * |
6a828b0f | 5736 | * Value range is [0,128]. Default value is 0. |
895427bd | 5737 | */ |
cdb42bec JS |
5738 | LPFC_ATTR_R(hdw_queue, |
5739 | LPFC_HBA_HDWQ_DEF, | |
5740 | LPFC_HBA_HDWQ_MIN, LPFC_HBA_HDWQ_MAX, | |
5741 | "Set the number of I/O Hardware Queues"); | |
895427bd | 5742 | |
6a828b0f JS |
5743 | /* |
5744 | * lpfc_irq_chann: Set the number of IRQ vectors that are available | |
5745 | * for Hardware Queues to utilize. This also will map to the number | |
5746 | * of EQ / MSI-X vectors the driver will create. This should never be | |
5747 | * more than the number of Hardware Queues | |
5748 | * | |
5749 | * 0 = Configure number of IRQ Channels to the number of active CPUs. | |
5750 | * 1,128 = Manually specify how many IRQ Channels to use. | |
5751 | * | |
5752 | * Value range is [0,128]. Default value is 0. | |
5753 | */ | |
5754 | LPFC_ATTR_R(irq_chann, | |
5755 | LPFC_HBA_HDWQ_DEF, | |
5756 | LPFC_HBA_HDWQ_MIN, LPFC_HBA_HDWQ_MAX, | |
5757 | "Set the number of I/O IRQ Channels"); | |
5758 | ||
13815c83 JS |
5759 | /* |
5760 | # lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware. | |
5761 | # 0 = HBA resets disabled | |
5762 | # 1 = HBA resets enabled (default) | |
5021267a JS |
5763 | # 2 = HBA reset via PCI bus reset enabled |
5764 | # Value range is [0,2]. Default value is 1. | |
13815c83 | 5765 | */ |
5021267a | 5766 | LPFC_ATTR_RW(enable_hba_reset, 1, 0, 2, "Enable HBA resets from the driver."); |
c3f28afa | 5767 | |
13815c83 | 5768 | /* |
eb7a339e | 5769 | # lpfc_enable_hba_heartbeat: Disable HBA heartbeat timer.. |
13815c83 JS |
5770 | # 0 = HBA Heartbeat disabled |
5771 | # 1 = HBA Heartbeat enabled (default) | |
5772 | # Value range is [0,1]. Default value is 1. | |
5773 | */ | |
eb7a339e | 5774 | LPFC_ATTR_R(enable_hba_heartbeat, 0, 0, 1, "Enable HBA Heartbeat."); |
92d7f7b0 | 5775 | |
1ba981fd JS |
5776 | /* |
5777 | # lpfc_EnableXLane: Enable Express Lane Feature | |
5778 | # 0x0 Express Lane Feature disabled | |
5779 | # 0x1 Express Lane Feature enabled | |
5780 | # Value range is [0,1]. Default value is 0. | |
5781 | */ | |
5782 | LPFC_ATTR_R(EnableXLane, 0, 0, 1, "Enable Express Lane Feature."); | |
5783 | ||
5784 | /* | |
5785 | # lpfc_XLanePriority: Define CS_CTL priority for Express Lane Feature | |
5786 | # 0x0 - 0x7f = CS_CTL field in FC header (high 7 bits) | |
5787 | # Value range is [0x0,0x7f]. Default value is 0 | |
5788 | */ | |
28d7f3df | 5789 | LPFC_ATTR_RW(XLanePriority, 0, 0x0, 0x7f, "CS_CTL for Express Lane Feature."); |
1ba981fd | 5790 | |
81301a9b JS |
5791 | /* |
5792 | # lpfc_enable_bg: Enable BlockGuard (Emulex's Implementation of T10-DIF) | |
5793 | # 0 = BlockGuard disabled (default) | |
5794 | # 1 = BlockGuard enabled | |
5795 | # Value range is [0,1]. Default value is 0. | |
5796 | */ | |
5797 | LPFC_ATTR_R(enable_bg, 0, 0, 1, "Enable BlockGuard Support"); | |
5798 | ||
81301a9b JS |
5799 | /* |
5800 | # lpfc_prot_mask: i | |
5801 | # - Bit mask of host protection capabilities used to register with the | |
5802 | # SCSI mid-layer | |
5803 | # - Only meaningful if BG is turned on (lpfc_enable_bg=1). | |
5804 | # - Allows you to ultimately specify which profiles to use | |
5805 | # - Default will result in registering capabilities for all profiles. | |
005ffa70 JS |
5806 | # - SHOST_DIF_TYPE1_PROTECTION 1 |
5807 | # HBA supports T10 DIF Type 1: HBA to Target Type 1 Protection | |
5808 | # - SHOST_DIX_TYPE0_PROTECTION 8 | |
5809 | # HBA supports DIX Type 0: Host to HBA protection only | |
5810 | # - SHOST_DIX_TYPE1_PROTECTION 16 | |
5811 | # HBA supports DIX Type 1: Host to HBA Type 1 protection | |
81301a9b JS |
5812 | # |
5813 | */ | |
b3b98b74 JS |
5814 | LPFC_ATTR(prot_mask, |
5815 | (SHOST_DIF_TYPE1_PROTECTION | | |
5816 | SHOST_DIX_TYPE0_PROTECTION | | |
5817 | SHOST_DIX_TYPE1_PROTECTION), | |
5818 | 0, | |
5819 | (SHOST_DIF_TYPE1_PROTECTION | | |
5820 | SHOST_DIX_TYPE0_PROTECTION | | |
5821 | SHOST_DIX_TYPE1_PROTECTION), | |
5822 | "T10-DIF host protection capabilities mask"); | |
81301a9b JS |
5823 | |
5824 | /* | |
5825 | # lpfc_prot_guard: i | |
5826 | # - Bit mask of protection guard types to register with the SCSI mid-layer | |
005ffa70 | 5827 | # - Guard types are currently either 1) T10-DIF CRC 2) IP checksum |
81301a9b JS |
5828 | # - Allows you to ultimately specify which profiles to use |
5829 | # - Default will result in registering capabilities for all guard types | |
5830 | # | |
5831 | */ | |
b3b98b74 JS |
5832 | LPFC_ATTR(prot_guard, |
5833 | SHOST_DIX_GUARD_IP, SHOST_DIX_GUARD_CRC, SHOST_DIX_GUARD_IP, | |
5834 | "T10-DIF host protection guard type"); | |
81301a9b | 5835 | |
92494144 JS |
5836 | /* |
5837 | * Delay initial NPort discovery when Clean Address bit is cleared in | |
5838 | * FLOGI/FDISC accept and FCID/Fabric name/Fabric portname is changed. | |
5839 | * This parameter can have value 0 or 1. | |
5840 | * When this parameter is set to 0, no delay is added to the initial | |
5841 | * discovery. | |
5842 | * When this parameter is set to non-zero value, initial Nport discovery is | |
5843 | * delayed by ra_tov seconds when Clean Address bit is cleared in FLOGI/FDISC | |
5844 | * accept and FCID/Fabric name/Fabric portname is changed. | |
5845 | * Driver always delay Nport discovery for subsequent FLOGI/FDISC completion | |
5846 | * when Clean Address bit is cleared in FLOGI/FDISC | |
5847 | * accept and FCID/Fabric name/Fabric portname is changed. | |
5848 | * Default value is 0. | |
5849 | */ | |
8eb8b960 JS |
5850 | LPFC_ATTR(delay_discovery, 0, 0, 1, |
5851 | "Delay NPort discovery when Clean Address bit is cleared."); | |
81301a9b | 5852 | |
83108bd3 | 5853 | /* |
3621a710 | 5854 | * lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count |
5b9e70b2 JS |
5855 | * This value can be set to values between 64 and 4096. The default value |
5856 | * is 64, but may be increased to allow for larger Max I/O sizes. The scsi | |
5857 | * and nvme layers will allow I/O sizes up to (MAX_SEG_COUNT * SEG_SIZE). | |
96f7077f JS |
5858 | * Because of the additional overhead involved in setting up T10-DIF, |
5859 | * this parameter will be limited to 128 if BlockGuard is enabled under SLI4 | |
5860 | * and will be limited to 512 if BlockGuard is enabled under SLI3. | |
83108bd3 | 5861 | */ |
5b9e70b2 JS |
5862 | static uint lpfc_sg_seg_cnt = LPFC_DEFAULT_SG_SEG_CNT; |
5863 | module_param(lpfc_sg_seg_cnt, uint, 0444); | |
5864 | MODULE_PARM_DESC(lpfc_sg_seg_cnt, "Max Scatter Gather Segment Count"); | |
5865 | ||
5866 | /** | |
5867 | * lpfc_sg_seg_cnt_show - Display the scatter/gather list sizes | |
5868 | * configured for the adapter | |
5869 | * @dev: class converted to a Scsi_host structure. | |
5870 | * @attr: device attribute, not used. | |
5871 | * @buf: on return contains a string with the list sizes | |
5872 | * | |
5873 | * Returns: size of formatted string. | |
5874 | **/ | |
5875 | static ssize_t | |
5876 | lpfc_sg_seg_cnt_show(struct device *dev, struct device_attribute *attr, | |
5877 | char *buf) | |
5878 | { | |
5879 | struct Scsi_Host *shost = class_to_shost(dev); | |
5880 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
5881 | struct lpfc_hba *phba = vport->phba; | |
5882 | int len; | |
5883 | ||
e7f7b6f3 | 5884 | len = scnprintf(buf, PAGE_SIZE, "SGL sz: %d total SGEs: %d\n", |
5b9e70b2 JS |
5885 | phba->cfg_sg_dma_buf_size, phba->cfg_total_seg_cnt); |
5886 | ||
e7f7b6f3 | 5887 | len += scnprintf(buf + len, PAGE_SIZE, "Cfg: %d SCSI: %d NVME: %d\n", |
5b9e70b2 JS |
5888 | phba->cfg_sg_seg_cnt, phba->cfg_scsi_seg_cnt, |
5889 | phba->cfg_nvme_seg_cnt); | |
5890 | return len; | |
5891 | } | |
5892 | ||
5893 | static DEVICE_ATTR_RO(lpfc_sg_seg_cnt); | |
5894 | ||
5895 | /** | |
5896 | * lpfc_sg_seg_cnt_init - Set the hba sg_seg_cnt initial value | |
5897 | * @phba: lpfc_hba pointer. | |
5898 | * @val: contains the initial value | |
5899 | * | |
5900 | * Description: | |
5901 | * Validates the initial value is within range and assigns it to the | |
5902 | * adapter. If not in range, an error message is posted and the | |
5903 | * default value is assigned. | |
5904 | * | |
5905 | * Returns: | |
5906 | * zero if value is in range and is set | |
5907 | * -EINVAL if value was out of range | |
5908 | **/ | |
5909 | static int | |
5910 | lpfc_sg_seg_cnt_init(struct lpfc_hba *phba, int val) | |
5911 | { | |
5912 | if (val >= LPFC_MIN_SG_SEG_CNT && val <= LPFC_MAX_SG_SEG_CNT) { | |
5913 | phba->cfg_sg_seg_cnt = val; | |
5914 | return 0; | |
5915 | } | |
5916 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5917 | "0409 "LPFC_DRIVER_NAME"_sg_seg_cnt attribute cannot " | |
5918 | "be set to %d, allowed range is [%d, %d]\n", | |
5919 | val, LPFC_MIN_SG_SEG_CNT, LPFC_MAX_SG_SEG_CNT); | |
5920 | phba->cfg_sg_seg_cnt = LPFC_DEFAULT_SG_SEG_CNT; | |
5921 | return -EINVAL; | |
5922 | } | |
83108bd3 | 5923 | |
7bdedb34 JS |
5924 | /* |
5925 | * lpfc_enable_mds_diags: Enable MDS Diagnostics | |
5926 | * 0 = MDS Diagnostics disabled (default) | |
5927 | * 1 = MDS Diagnostics enabled | |
5928 | * Value range is [0,1]. Default value is 0. | |
5929 | */ | |
5930 | LPFC_ATTR_R(enable_mds_diags, 0, 0, 1, "Enable MDS Diagnostics"); | |
5931 | ||
d2cc9bcd JS |
5932 | /* |
5933 | * lpfc_ras_fwlog_buffsize: Firmware logging host buffer size | |
5934 | * 0 = Disable firmware logging (default) | |
5935 | * [1-4] = Multiple of 1/4th Mb of host memory for FW logging | |
5936 | * Value range [0..4]. Default value is 0 | |
5937 | */ | |
5938 | LPFC_ATTR_RW(ras_fwlog_buffsize, 0, 0, 4, "Host memory for FW logging"); | |
5939 | ||
5940 | /* | |
5941 | * lpfc_ras_fwlog_level: Firmware logging verbosity level | |
5942 | * Valid only if firmware logging is enabled | |
5943 | * 0(Least Verbosity) 4 (most verbosity) | |
5944 | * Value range is [0..4]. Default value is 0 | |
5945 | */ | |
5946 | LPFC_ATTR_RW(ras_fwlog_level, 0, 0, 4, "Firmware Logging Level"); | |
5947 | ||
5948 | /* | |
5949 | * lpfc_ras_fwlog_func: Firmware logging enabled on function number | |
5950 | * Default function which has RAS support : 0 | |
5951 | * Value Range is [0..7]. | |
5952 | * FW logging is a global action and enablement is via a specific | |
5953 | * port. | |
5954 | */ | |
5955 | LPFC_ATTR_RW(ras_fwlog_func, 0, 0, 7, "Firmware Logging Enabled on Function"); | |
5956 | ||
44fd7fe3 JS |
5957 | /* |
5958 | * lpfc_enable_bbcr: Enable BB Credit Recovery | |
5959 | * 0 = BB Credit Recovery disabled | |
5960 | * 1 = BB Credit Recovery enabled (default) | |
5961 | * Value range is [0,1]. Default value is 1. | |
5962 | */ | |
5963 | LPFC_BBCR_ATTR_RW(enable_bbcr, 1, 0, 1, "Enable BBC Recovery"); | |
5964 | ||
1351e69f JS |
5965 | /* |
5966 | * lpfc_enable_dpp: Enable DPP on G7 | |
5967 | * 0 = DPP on G7 disabled | |
5968 | * 1 = DPP on G7 enabled (default) | |
5969 | * Value range is [0,1]. Default value is 1. | |
5970 | */ | |
5971 | LPFC_ATTR_RW(enable_dpp, 1, 0, 1, "Enable Direct Packet Push"); | |
5972 | ||
ee959b00 | 5973 | struct device_attribute *lpfc_hba_attrs[] = { |
895427bd | 5974 | &dev_attr_nvme_info, |
4c47efc1 | 5975 | &dev_attr_scsi_stat, |
81301a9b JS |
5976 | &dev_attr_bg_info, |
5977 | &dev_attr_bg_guard_err, | |
5978 | &dev_attr_bg_apptag_err, | |
5979 | &dev_attr_bg_reftag_err, | |
ee959b00 TJ |
5980 | &dev_attr_info, |
5981 | &dev_attr_serialnum, | |
5982 | &dev_attr_modeldesc, | |
5983 | &dev_attr_modelname, | |
5984 | &dev_attr_programtype, | |
5985 | &dev_attr_portnum, | |
5986 | &dev_attr_fwrev, | |
5987 | &dev_attr_hdw, | |
5988 | &dev_attr_option_rom_version, | |
bbd1ae41 | 5989 | &dev_attr_link_state, |
ee959b00 | 5990 | &dev_attr_num_discovered_ports, |
84774a4d | 5991 | &dev_attr_menlo_mgmt_mode, |
ee959b00 | 5992 | &dev_attr_lpfc_drvr_version, |
45ed1190 | 5993 | &dev_attr_lpfc_enable_fip, |
ee959b00 TJ |
5994 | &dev_attr_lpfc_temp_sensor, |
5995 | &dev_attr_lpfc_log_verbose, | |
5996 | &dev_attr_lpfc_lun_queue_depth, | |
7dc517df | 5997 | &dev_attr_lpfc_tgt_queue_depth, |
ee959b00 TJ |
5998 | &dev_attr_lpfc_hba_queue_depth, |
5999 | &dev_attr_lpfc_peer_port_login, | |
6000 | &dev_attr_lpfc_nodev_tmo, | |
6001 | &dev_attr_lpfc_devloss_tmo, | |
895427bd | 6002 | &dev_attr_lpfc_enable_fc4_type, |
ee959b00 TJ |
6003 | &dev_attr_lpfc_fcp_class, |
6004 | &dev_attr_lpfc_use_adisc, | |
3cb01c57 | 6005 | &dev_attr_lpfc_first_burst_size, |
ee959b00 | 6006 | &dev_attr_lpfc_ack0, |
c490850a | 6007 | &dev_attr_lpfc_xri_rebalancing, |
ee959b00 TJ |
6008 | &dev_attr_lpfc_topology, |
6009 | &dev_attr_lpfc_scan_down, | |
6010 | &dev_attr_lpfc_link_speed, | |
49aa143d | 6011 | &dev_attr_lpfc_fcp_io_sched, |
7ea92eb4 | 6012 | &dev_attr_lpfc_ns_query, |
a6571c6e | 6013 | &dev_attr_lpfc_fcp2_no_tgt_reset, |
ee959b00 TJ |
6014 | &dev_attr_lpfc_cr_delay, |
6015 | &dev_attr_lpfc_cr_count, | |
6016 | &dev_attr_lpfc_multi_ring_support, | |
6017 | &dev_attr_lpfc_multi_ring_rctl, | |
6018 | &dev_attr_lpfc_multi_ring_type, | |
6019 | &dev_attr_lpfc_fdmi_on, | |
4258e98e | 6020 | &dev_attr_lpfc_enable_SmartSAN, |
ee959b00 TJ |
6021 | &dev_attr_lpfc_max_luns, |
6022 | &dev_attr_lpfc_enable_npiv, | |
7d791df7 | 6023 | &dev_attr_lpfc_fcf_failover_policy, |
19ca7609 | 6024 | &dev_attr_lpfc_enable_rrq, |
ee959b00 TJ |
6025 | &dev_attr_nport_evt_cnt, |
6026 | &dev_attr_board_mode, | |
6027 | &dev_attr_max_vpi, | |
6028 | &dev_attr_used_vpi, | |
6029 | &dev_attr_max_rpi, | |
6030 | &dev_attr_used_rpi, | |
6031 | &dev_attr_max_xri, | |
6032 | &dev_attr_used_xri, | |
6033 | &dev_attr_npiv_info, | |
6034 | &dev_attr_issue_reset, | |
6035 | &dev_attr_lpfc_poll, | |
6036 | &dev_attr_lpfc_poll_tmo, | |
0c411222 | 6037 | &dev_attr_lpfc_task_mgmt_tmo, |
ee959b00 | 6038 | &dev_attr_lpfc_use_msi, |
895427bd | 6039 | &dev_attr_lpfc_nvme_oas, |
4e565cf0 | 6040 | &dev_attr_lpfc_nvme_embed_cmd, |
da0436e9 | 6041 | &dev_attr_lpfc_fcp_imax, |
41b194b8 | 6042 | &dev_attr_lpfc_force_rscn, |
32517fc0 JS |
6043 | &dev_attr_lpfc_cq_poll_threshold, |
6044 | &dev_attr_lpfc_cq_max_proc_limit, | |
7bb03bbf | 6045 | &dev_attr_lpfc_fcp_cpu_map, |
77ffd346 | 6046 | &dev_attr_lpfc_fcp_mq_threshold, |
cdb42bec | 6047 | &dev_attr_lpfc_hdw_queue, |
6a828b0f | 6048 | &dev_attr_lpfc_irq_chann, |
f358dd0c | 6049 | &dev_attr_lpfc_suppress_rsp, |
2d7dbc4c | 6050 | &dev_attr_lpfc_nvmet_mrq, |
2448e484 | 6051 | &dev_attr_lpfc_nvmet_mrq_post, |
895427bd | 6052 | &dev_attr_lpfc_nvme_enable_fb, |
2d7dbc4c | 6053 | &dev_attr_lpfc_nvmet_fb_size, |
81301a9b | 6054 | &dev_attr_lpfc_enable_bg, |
352e5fd1 JS |
6055 | &dev_attr_lpfc_soft_wwnn, |
6056 | &dev_attr_lpfc_soft_wwpn, | |
6057 | &dev_attr_lpfc_soft_wwn_enable, | |
ee959b00 TJ |
6058 | &dev_attr_lpfc_enable_hba_reset, |
6059 | &dev_attr_lpfc_enable_hba_heartbeat, | |
1ba981fd JS |
6060 | &dev_attr_lpfc_EnableXLane, |
6061 | &dev_attr_lpfc_XLanePriority, | |
6062 | &dev_attr_lpfc_xlane_lun, | |
6063 | &dev_attr_lpfc_xlane_tgt, | |
6064 | &dev_attr_lpfc_xlane_vpt, | |
6065 | &dev_attr_lpfc_xlane_lun_state, | |
6066 | &dev_attr_lpfc_xlane_lun_status, | |
c92c841c | 6067 | &dev_attr_lpfc_xlane_priority, |
ee959b00 | 6068 | &dev_attr_lpfc_sg_seg_cnt, |
977b5a0a | 6069 | &dev_attr_lpfc_max_scsicmpl_time, |
ea2151b4 | 6070 | &dev_attr_lpfc_stat_data_ctrl, |
0d878419 JS |
6071 | &dev_attr_lpfc_aer_support, |
6072 | &dev_attr_lpfc_aer_state_cleanup, | |
912e3acd | 6073 | &dev_attr_lpfc_sriov_nr_virtfn, |
c71ab861 | 6074 | &dev_attr_lpfc_req_fw_upgrade, |
84d1b006 | 6075 | &dev_attr_lpfc_suppress_link_up, |
2a9bf3d0 JS |
6076 | &dev_attr_lpfc_iocb_cnt, |
6077 | &dev_attr_iocb_hw, | |
6078 | &dev_attr_txq_hw, | |
6079 | &dev_attr_txcmplq_hw, | |
bc73905a JS |
6080 | &dev_attr_lpfc_fips_level, |
6081 | &dev_attr_lpfc_fips_rev, | |
ab56dc2e | 6082 | &dev_attr_lpfc_dss, |
912e3acd | 6083 | &dev_attr_lpfc_sriov_hw_max_virtfn, |
026abb87 | 6084 | &dev_attr_protocol, |
1ba981fd | 6085 | &dev_attr_lpfc_xlane_supported, |
7bdedb34 | 6086 | &dev_attr_lpfc_enable_mds_diags, |
d2cc9bcd JS |
6087 | &dev_attr_lpfc_ras_fwlog_buffsize, |
6088 | &dev_attr_lpfc_ras_fwlog_level, | |
6089 | &dev_attr_lpfc_ras_fwlog_func, | |
44fd7fe3 | 6090 | &dev_attr_lpfc_enable_bbcr, |
1351e69f | 6091 | &dev_attr_lpfc_enable_dpp, |
dea3101e JB |
6092 | NULL, |
6093 | }; | |
6094 | ||
ee959b00 TJ |
6095 | struct device_attribute *lpfc_vport_attrs[] = { |
6096 | &dev_attr_info, | |
bbd1ae41 | 6097 | &dev_attr_link_state, |
ee959b00 TJ |
6098 | &dev_attr_num_discovered_ports, |
6099 | &dev_attr_lpfc_drvr_version, | |
6100 | &dev_attr_lpfc_log_verbose, | |
6101 | &dev_attr_lpfc_lun_queue_depth, | |
7dc517df | 6102 | &dev_attr_lpfc_tgt_queue_depth, |
ee959b00 TJ |
6103 | &dev_attr_lpfc_nodev_tmo, |
6104 | &dev_attr_lpfc_devloss_tmo, | |
6105 | &dev_attr_lpfc_hba_queue_depth, | |
6106 | &dev_attr_lpfc_peer_port_login, | |
6107 | &dev_attr_lpfc_restrict_login, | |
6108 | &dev_attr_lpfc_fcp_class, | |
6109 | &dev_attr_lpfc_use_adisc, | |
3cb01c57 | 6110 | &dev_attr_lpfc_first_burst_size, |
ee959b00 TJ |
6111 | &dev_attr_lpfc_max_luns, |
6112 | &dev_attr_nport_evt_cnt, | |
6113 | &dev_attr_npiv_info, | |
6114 | &dev_attr_lpfc_enable_da_id, | |
ea2151b4 JS |
6115 | &dev_attr_lpfc_max_scsicmpl_time, |
6116 | &dev_attr_lpfc_stat_data_ctrl, | |
21e9a0a5 | 6117 | &dev_attr_lpfc_static_vport, |
bc73905a JS |
6118 | &dev_attr_lpfc_fips_level, |
6119 | &dev_attr_lpfc_fips_rev, | |
3de2a653 JS |
6120 | NULL, |
6121 | }; | |
6122 | ||
e59058c4 | 6123 | /** |
3621a710 | 6124 | * sysfs_ctlreg_write - Write method for writing to ctlreg |
2c3c8bea | 6125 | * @filp: open sysfs file |
e59058c4 JS |
6126 | * @kobj: kernel kobject that contains the kernel class device. |
6127 | * @bin_attr: kernel attributes passed to us. | |
6128 | * @buf: contains the data to be written to the adapter IOREG space. | |
6129 | * @off: offset into buffer to beginning of data. | |
6130 | * @count: bytes to transfer. | |
6131 | * | |
6132 | * Description: | |
6133 | * Accessed via /sys/class/scsi_host/hostxxx/ctlreg. | |
6134 | * Uses the adapter io control registers to send buf contents to the adapter. | |
6135 | * | |
6136 | * Returns: | |
6137 | * -ERANGE off and count combo out of range | |
6138 | * -EINVAL off, count or buff address invalid | |
6139 | * -EPERM adapter is offline | |
6140 | * value of count, buf contents written | |
6141 | **/ | |
dea3101e | 6142 | static ssize_t |
2c3c8bea CW |
6143 | sysfs_ctlreg_write(struct file *filp, struct kobject *kobj, |
6144 | struct bin_attribute *bin_attr, | |
91a69029 | 6145 | char *buf, loff_t off, size_t count) |
dea3101e JB |
6146 | { |
6147 | size_t buf_off; | |
ee959b00 TJ |
6148 | struct device *dev = container_of(kobj, struct device, kobj); |
6149 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
6150 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
6151 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 6152 | |
f1126688 JS |
6153 | if (phba->sli_rev >= LPFC_SLI_REV4) |
6154 | return -EPERM; | |
6155 | ||
dea3101e JB |
6156 | if ((off + count) > FF_REG_AREA_SIZE) |
6157 | return -ERANGE; | |
6158 | ||
f7a919b4 JS |
6159 | if (count <= LPFC_REG_WRITE_KEY_SIZE) |
6160 | return 0; | |
dea3101e JB |
6161 | |
6162 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
6163 | return -EINVAL; | |
6164 | ||
f7a919b4 JS |
6165 | /* This is to protect HBA registers from accidental writes. */ |
6166 | if (memcmp(buf, LPFC_REG_WRITE_KEY, LPFC_REG_WRITE_KEY_SIZE)) | |
6167 | return -EINVAL; | |
6168 | ||
6169 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) | |
dea3101e | 6170 | return -EPERM; |
dea3101e | 6171 | |
2e0fef85 | 6172 | spin_lock_irq(&phba->hbalock); |
f7a919b4 JS |
6173 | for (buf_off = 0; buf_off < count - LPFC_REG_WRITE_KEY_SIZE; |
6174 | buf_off += sizeof(uint32_t)) | |
6175 | writel(*((uint32_t *)(buf + buf_off + LPFC_REG_WRITE_KEY_SIZE)), | |
dea3101e JB |
6176 | phba->ctrl_regs_memmap_p + off + buf_off); |
6177 | ||
2e0fef85 | 6178 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
6179 | |
6180 | return count; | |
6181 | } | |
6182 | ||
e59058c4 | 6183 | /** |
3621a710 | 6184 | * sysfs_ctlreg_read - Read method for reading from ctlreg |
2c3c8bea | 6185 | * @filp: open sysfs file |
e59058c4 JS |
6186 | * @kobj: kernel kobject that contains the kernel class device. |
6187 | * @bin_attr: kernel attributes passed to us. | |
af901ca1 | 6188 | * @buf: if successful contains the data from the adapter IOREG space. |
e59058c4 JS |
6189 | * @off: offset into buffer to beginning of data. |
6190 | * @count: bytes to transfer. | |
6191 | * | |
6192 | * Description: | |
6193 | * Accessed via /sys/class/scsi_host/hostxxx/ctlreg. | |
6194 | * Uses the adapter io control registers to read data into buf. | |
6195 | * | |
6196 | * Returns: | |
6197 | * -ERANGE off and count combo out of range | |
6198 | * -EINVAL off, count or buff address invalid | |
6199 | * value of count, buf contents read | |
6200 | **/ | |
dea3101e | 6201 | static ssize_t |
2c3c8bea CW |
6202 | sysfs_ctlreg_read(struct file *filp, struct kobject *kobj, |
6203 | struct bin_attribute *bin_attr, | |
91a69029 | 6204 | char *buf, loff_t off, size_t count) |
dea3101e JB |
6205 | { |
6206 | size_t buf_off; | |
6207 | uint32_t * tmp_ptr; | |
ee959b00 TJ |
6208 | struct device *dev = container_of(kobj, struct device, kobj); |
6209 | struct Scsi_Host *shost = class_to_shost(dev); | |
2e0fef85 JS |
6210 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
6211 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 6212 | |
f1126688 JS |
6213 | if (phba->sli_rev >= LPFC_SLI_REV4) |
6214 | return -EPERM; | |
6215 | ||
dea3101e JB |
6216 | if (off > FF_REG_AREA_SIZE) |
6217 | return -ERANGE; | |
6218 | ||
6219 | if ((off + count) > FF_REG_AREA_SIZE) | |
6220 | count = FF_REG_AREA_SIZE - off; | |
6221 | ||
6222 | if (count == 0) return 0; | |
6223 | ||
6224 | if (off % 4 || count % 4 || (unsigned long)buf % 4) | |
6225 | return -EINVAL; | |
6226 | ||
2e0fef85 | 6227 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
6228 | |
6229 | for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) { | |
6230 | tmp_ptr = (uint32_t *)(buf + buf_off); | |
6231 | *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off); | |
6232 | } | |
6233 | ||
2e0fef85 | 6234 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
6235 | |
6236 | return count; | |
6237 | } | |
6238 | ||
6239 | static struct bin_attribute sysfs_ctlreg_attr = { | |
6240 | .attr = { | |
6241 | .name = "ctlreg", | |
6242 | .mode = S_IRUSR | S_IWUSR, | |
dea3101e JB |
6243 | }, |
6244 | .size = 256, | |
6245 | .read = sysfs_ctlreg_read, | |
6246 | .write = sysfs_ctlreg_write, | |
6247 | }; | |
6248 | ||
e59058c4 | 6249 | /** |
3621a710 | 6250 | * sysfs_mbox_write - Write method for writing information via mbox |
2c3c8bea | 6251 | * @filp: open sysfs file |
e59058c4 JS |
6252 | * @kobj: kernel kobject that contains the kernel class device. |
6253 | * @bin_attr: kernel attributes passed to us. | |
6254 | * @buf: contains the data to be written to sysfs mbox. | |
6255 | * @off: offset into buffer to beginning of data. | |
6256 | * @count: bytes to transfer. | |
6257 | * | |
6258 | * Description: | |
026abb87 JS |
6259 | * Deprecated function. All mailbox access from user space is performed via the |
6260 | * bsg interface. | |
e59058c4 JS |
6261 | * |
6262 | * Returns: | |
026abb87 | 6263 | * -EPERM operation not permitted |
e59058c4 | 6264 | **/ |
dea3101e | 6265 | static ssize_t |
2c3c8bea CW |
6266 | sysfs_mbox_write(struct file *filp, struct kobject *kobj, |
6267 | struct bin_attribute *bin_attr, | |
91a69029 | 6268 | char *buf, loff_t off, size_t count) |
dea3101e | 6269 | { |
026abb87 | 6270 | return -EPERM; |
dea3101e JB |
6271 | } |
6272 | ||
e59058c4 | 6273 | /** |
3621a710 | 6274 | * sysfs_mbox_read - Read method for reading information via mbox |
2c3c8bea | 6275 | * @filp: open sysfs file |
e59058c4 JS |
6276 | * @kobj: kernel kobject that contains the kernel class device. |
6277 | * @bin_attr: kernel attributes passed to us. | |
6278 | * @buf: contains the data to be read from sysfs mbox. | |
6279 | * @off: offset into buffer to beginning of data. | |
6280 | * @count: bytes to transfer. | |
6281 | * | |
6282 | * Description: | |
026abb87 JS |
6283 | * Deprecated function. All mailbox access from user space is performed via the |
6284 | * bsg interface. | |
e59058c4 JS |
6285 | * |
6286 | * Returns: | |
026abb87 | 6287 | * -EPERM operation not permitted |
e59058c4 | 6288 | **/ |
dea3101e | 6289 | static ssize_t |
2c3c8bea CW |
6290 | sysfs_mbox_read(struct file *filp, struct kobject *kobj, |
6291 | struct bin_attribute *bin_attr, | |
91a69029 | 6292 | char *buf, loff_t off, size_t count) |
dea3101e | 6293 | { |
026abb87 | 6294 | return -EPERM; |
dea3101e JB |
6295 | } |
6296 | ||
6297 | static struct bin_attribute sysfs_mbox_attr = { | |
6298 | .attr = { | |
6299 | .name = "mbox", | |
6300 | .mode = S_IRUSR | S_IWUSR, | |
dea3101e | 6301 | }, |
c0c11512 | 6302 | .size = MAILBOX_SYSFS_MAX, |
dea3101e JB |
6303 | .read = sysfs_mbox_read, |
6304 | .write = sysfs_mbox_write, | |
6305 | }; | |
6306 | ||
e59058c4 | 6307 | /** |
3621a710 | 6308 | * lpfc_alloc_sysfs_attr - Creates the ctlreg and mbox entries |
e59058c4 JS |
6309 | * @vport: address of lpfc vport structure. |
6310 | * | |
6311 | * Return codes: | |
6312 | * zero on success | |
6313 | * error return code from sysfs_create_bin_file() | |
6314 | **/ | |
dea3101e | 6315 | int |
2e0fef85 | 6316 | lpfc_alloc_sysfs_attr(struct lpfc_vport *vport) |
dea3101e | 6317 | { |
2e0fef85 | 6318 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e JB |
6319 | int error; |
6320 | ||
ee959b00 | 6321 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d JS |
6322 | &sysfs_drvr_stat_data_attr); |
6323 | ||
6324 | /* Virtual ports do not need ctrl_reg and mbox */ | |
6325 | if (error || vport->port_type == LPFC_NPIV_PORT) | |
dea3101e JB |
6326 | goto out; |
6327 | ||
ee959b00 | 6328 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d | 6329 | &sysfs_ctlreg_attr); |
dea3101e | 6330 | if (error) |
eada272d | 6331 | goto out_remove_stat_attr; |
dea3101e | 6332 | |
ea2151b4 | 6333 | error = sysfs_create_bin_file(&shost->shost_dev.kobj, |
eada272d | 6334 | &sysfs_mbox_attr); |
ea2151b4 | 6335 | if (error) |
eada272d | 6336 | goto out_remove_ctlreg_attr; |
ea2151b4 | 6337 | |
dea3101e JB |
6338 | return 0; |
6339 | out_remove_ctlreg_attr: | |
ee959b00 | 6340 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); |
eada272d JS |
6341 | out_remove_stat_attr: |
6342 | sysfs_remove_bin_file(&shost->shost_dev.kobj, | |
6343 | &sysfs_drvr_stat_data_attr); | |
dea3101e JB |
6344 | out: |
6345 | return error; | |
6346 | } | |
6347 | ||
e59058c4 | 6348 | /** |
3621a710 | 6349 | * lpfc_free_sysfs_attr - Removes the ctlreg and mbox entries |
e59058c4 JS |
6350 | * @vport: address of lpfc vport structure. |
6351 | **/ | |
dea3101e | 6352 | void |
2e0fef85 | 6353 | lpfc_free_sysfs_attr(struct lpfc_vport *vport) |
dea3101e | 6354 | { |
2e0fef85 | 6355 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
ea2151b4 JS |
6356 | sysfs_remove_bin_file(&shost->shost_dev.kobj, |
6357 | &sysfs_drvr_stat_data_attr); | |
eada272d JS |
6358 | /* Virtual ports do not need ctrl_reg and mbox */ |
6359 | if (vport->port_type == LPFC_NPIV_PORT) | |
6360 | return; | |
ee959b00 TJ |
6361 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_mbox_attr); |
6362 | sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); | |
dea3101e JB |
6363 | } |
6364 | ||
dea3101e JB |
6365 | /* |
6366 | * Dynamic FC Host Attributes Support | |
6367 | */ | |
6368 | ||
6c9231f6 JS |
6369 | /** |
6370 | * lpfc_get_host_symbolic_name - Copy symbolic name into the scsi host | |
6371 | * @shost: kernel scsi host pointer. | |
6372 | **/ | |
6373 | static void | |
6374 | lpfc_get_host_symbolic_name(struct Scsi_Host *shost) | |
6375 | { | |
6376 | struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; | |
6377 | ||
6378 | lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost), | |
6379 | sizeof fc_host_symbolic_name(shost)); | |
6380 | } | |
6381 | ||
e59058c4 | 6382 | /** |
3621a710 | 6383 | * lpfc_get_host_port_id - Copy the vport DID into the scsi host port id |
e59058c4 JS |
6384 | * @shost: kernel scsi host pointer. |
6385 | **/ | |
dea3101e JB |
6386 | static void |
6387 | lpfc_get_host_port_id(struct Scsi_Host *shost) | |
6388 | { | |
2e0fef85 JS |
6389 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
6390 | ||
dea3101e | 6391 | /* note: fc_myDID already in cpu endianness */ |
2e0fef85 | 6392 | fc_host_port_id(shost) = vport->fc_myDID; |
dea3101e JB |
6393 | } |
6394 | ||
e59058c4 | 6395 | /** |
3621a710 | 6396 | * lpfc_get_host_port_type - Set the value of the scsi host port type |
e59058c4 JS |
6397 | * @shost: kernel scsi host pointer. |
6398 | **/ | |
dea3101e JB |
6399 | static void |
6400 | lpfc_get_host_port_type(struct Scsi_Host *shost) | |
6401 | { | |
2e0fef85 JS |
6402 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
6403 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
6404 | |
6405 | spin_lock_irq(shost->host_lock); | |
6406 | ||
92d7f7b0 JS |
6407 | if (vport->port_type == LPFC_NPIV_PORT) { |
6408 | fc_host_port_type(shost) = FC_PORTTYPE_NPIV; | |
6409 | } else if (lpfc_is_link_up(phba)) { | |
76a95d75 | 6410 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
2e0fef85 | 6411 | if (vport->fc_flag & FC_PUBLIC_LOOP) |
dea3101e JB |
6412 | fc_host_port_type(shost) = FC_PORTTYPE_NLPORT; |
6413 | else | |
6414 | fc_host_port_type(shost) = FC_PORTTYPE_LPORT; | |
6415 | } else { | |
2e0fef85 | 6416 | if (vport->fc_flag & FC_FABRIC) |
dea3101e JB |
6417 | fc_host_port_type(shost) = FC_PORTTYPE_NPORT; |
6418 | else | |
6419 | fc_host_port_type(shost) = FC_PORTTYPE_PTP; | |
6420 | } | |
6421 | } else | |
6422 | fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN; | |
6423 | ||
6424 | spin_unlock_irq(shost->host_lock); | |
6425 | } | |
6426 | ||
e59058c4 | 6427 | /** |
3621a710 | 6428 | * lpfc_get_host_port_state - Set the value of the scsi host port state |
e59058c4 JS |
6429 | * @shost: kernel scsi host pointer. |
6430 | **/ | |
dea3101e JB |
6431 | static void |
6432 | lpfc_get_host_port_state(struct Scsi_Host *shost) | |
6433 | { | |
2e0fef85 JS |
6434 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
6435 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
6436 | |
6437 | spin_lock_irq(shost->host_lock); | |
6438 | ||
2e0fef85 | 6439 | if (vport->fc_flag & FC_OFFLINE_MODE) |
dea3101e JB |
6440 | fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE; |
6441 | else { | |
2e0fef85 JS |
6442 | switch (phba->link_state) { |
6443 | case LPFC_LINK_UNKNOWN: | |
dea3101e JB |
6444 | case LPFC_LINK_DOWN: |
6445 | fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN; | |
6446 | break; | |
6447 | case LPFC_LINK_UP: | |
dea3101e JB |
6448 | case LPFC_CLEAR_LA: |
6449 | case LPFC_HBA_READY: | |
026abb87 JS |
6450 | /* Links up, reports port state accordingly */ |
6451 | if (vport->port_state < LPFC_VPORT_READY) | |
6452 | fc_host_port_state(shost) = | |
6453 | FC_PORTSTATE_BYPASSED; | |
6454 | else | |
6455 | fc_host_port_state(shost) = | |
6456 | FC_PORTSTATE_ONLINE; | |
dea3101e JB |
6457 | break; |
6458 | case LPFC_HBA_ERROR: | |
6459 | fc_host_port_state(shost) = FC_PORTSTATE_ERROR; | |
6460 | break; | |
6461 | default: | |
6462 | fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN; | |
6463 | break; | |
6464 | } | |
6465 | } | |
6466 | ||
6467 | spin_unlock_irq(shost->host_lock); | |
6468 | } | |
6469 | ||
e59058c4 | 6470 | /** |
3621a710 | 6471 | * lpfc_get_host_speed - Set the value of the scsi host speed |
e59058c4 JS |
6472 | * @shost: kernel scsi host pointer. |
6473 | **/ | |
dea3101e JB |
6474 | static void |
6475 | lpfc_get_host_speed(struct Scsi_Host *shost) | |
6476 | { | |
2e0fef85 JS |
6477 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
6478 | struct lpfc_hba *phba = vport->phba; | |
dea3101e JB |
6479 | |
6480 | spin_lock_irq(shost->host_lock); | |
6481 | ||
a085e87c | 6482 | if ((lpfc_is_link_up(phba)) && (!(phba->hba_flag & HBA_FCOE_MODE))) { |
dea3101e | 6483 | switch(phba->fc_linkspeed) { |
76a95d75 JS |
6484 | case LPFC_LINK_SPEED_1GHZ: |
6485 | fc_host_speed(shost) = FC_PORTSPEED_1GBIT; | |
dea3101e | 6486 | break; |
76a95d75 JS |
6487 | case LPFC_LINK_SPEED_2GHZ: |
6488 | fc_host_speed(shost) = FC_PORTSPEED_2GBIT; | |
dea3101e | 6489 | break; |
76a95d75 JS |
6490 | case LPFC_LINK_SPEED_4GHZ: |
6491 | fc_host_speed(shost) = FC_PORTSPEED_4GBIT; | |
dea3101e | 6492 | break; |
76a95d75 JS |
6493 | case LPFC_LINK_SPEED_8GHZ: |
6494 | fc_host_speed(shost) = FC_PORTSPEED_8GBIT; | |
b87eab38 | 6495 | break; |
76a95d75 JS |
6496 | case LPFC_LINK_SPEED_10GHZ: |
6497 | fc_host_speed(shost) = FC_PORTSPEED_10GBIT; | |
f4b4c68f | 6498 | break; |
76a95d75 JS |
6499 | case LPFC_LINK_SPEED_16GHZ: |
6500 | fc_host_speed(shost) = FC_PORTSPEED_16GBIT; | |
6501 | break; | |
d38dd52c JS |
6502 | case LPFC_LINK_SPEED_32GHZ: |
6503 | fc_host_speed(shost) = FC_PORTSPEED_32GBIT; | |
6504 | break; | |
fbd8a6ba JS |
6505 | case LPFC_LINK_SPEED_64GHZ: |
6506 | fc_host_speed(shost) = FC_PORTSPEED_64GBIT; | |
6507 | break; | |
1dc5ec24 JS |
6508 | case LPFC_LINK_SPEED_128GHZ: |
6509 | fc_host_speed(shost) = FC_PORTSPEED_128GBIT; | |
6510 | break; | |
76a95d75 JS |
6511 | default: |
6512 | fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; | |
dea3101e JB |
6513 | break; |
6514 | } | |
b615a20a JS |
6515 | } else if (lpfc_is_link_up(phba) && (phba->hba_flag & HBA_FCOE_MODE)) { |
6516 | switch (phba->fc_linkspeed) { | |
6517 | case LPFC_ASYNC_LINK_SPEED_10GBPS: | |
6518 | fc_host_speed(shost) = FC_PORTSPEED_10GBIT; | |
6519 | break; | |
6520 | case LPFC_ASYNC_LINK_SPEED_25GBPS: | |
6521 | fc_host_speed(shost) = FC_PORTSPEED_25GBIT; | |
6522 | break; | |
6523 | case LPFC_ASYNC_LINK_SPEED_40GBPS: | |
6524 | fc_host_speed(shost) = FC_PORTSPEED_40GBIT; | |
6525 | break; | |
6526 | case LPFC_ASYNC_LINK_SPEED_100GBPS: | |
6527 | fc_host_speed(shost) = FC_PORTSPEED_100GBIT; | |
6528 | break; | |
6529 | default: | |
6530 | fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; | |
6531 | break; | |
6532 | } | |
09372820 JS |
6533 | } else |
6534 | fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; | |
dea3101e JB |
6535 | |
6536 | spin_unlock_irq(shost->host_lock); | |
6537 | } | |
6538 | ||
e59058c4 | 6539 | /** |
3621a710 | 6540 | * lpfc_get_host_fabric_name - Set the value of the scsi host fabric name |
e59058c4 JS |
6541 | * @shost: kernel scsi host pointer. |
6542 | **/ | |
dea3101e JB |
6543 | static void |
6544 | lpfc_get_host_fabric_name (struct Scsi_Host *shost) | |
6545 | { | |
2e0fef85 JS |
6546 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
6547 | struct lpfc_hba *phba = vport->phba; | |
f631b4be | 6548 | u64 node_name; |
dea3101e JB |
6549 | |
6550 | spin_lock_irq(shost->host_lock); | |
6551 | ||
73d91e50 JS |
6552 | if ((vport->port_state > LPFC_FLOGI) && |
6553 | ((vport->fc_flag & FC_FABRIC) || | |
6554 | ((phba->fc_topology == LPFC_TOPOLOGY_LOOP) && | |
6555 | (vport->fc_flag & FC_PUBLIC_LOOP)))) | |
68ce1eb5 | 6556 | node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn); |
dea3101e JB |
6557 | else |
6558 | /* fabric is local port if there is no F/FL_Port */ | |
09372820 | 6559 | node_name = 0; |
dea3101e JB |
6560 | |
6561 | spin_unlock_irq(shost->host_lock); | |
6562 | ||
f631b4be | 6563 | fc_host_fabric_name(shost) = node_name; |
dea3101e JB |
6564 | } |
6565 | ||
e59058c4 | 6566 | /** |
3621a710 | 6567 | * lpfc_get_stats - Return statistical information about the adapter |
e59058c4 JS |
6568 | * @shost: kernel scsi host pointer. |
6569 | * | |
6570 | * Notes: | |
6571 | * NULL on error for link down, no mbox pool, sli2 active, | |
6572 | * management not allowed, memory allocation error, or mbox error. | |
6573 | * | |
6574 | * Returns: | |
6575 | * NULL for error | |
6576 | * address of the adapter host statistics | |
6577 | **/ | |
dea3101e JB |
6578 | static struct fc_host_statistics * |
6579 | lpfc_get_stats(struct Scsi_Host *shost) | |
6580 | { | |
2e0fef85 JS |
6581 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
6582 | struct lpfc_hba *phba = vport->phba; | |
6583 | struct lpfc_sli *psli = &phba->sli; | |
f888ba3c | 6584 | struct fc_host_statistics *hs = &phba->link_stats; |
64ba8818 | 6585 | struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets; |
dea3101e JB |
6586 | LPFC_MBOXQ_t *pmboxq; |
6587 | MAILBOX_t *pmb; | |
433c3579 | 6588 | int rc = 0; |
dea3101e | 6589 | |
92d7f7b0 JS |
6590 | /* |
6591 | * prevent udev from issuing mailbox commands until the port is | |
6592 | * configured. | |
6593 | */ | |
2e0fef85 JS |
6594 | if (phba->link_state < LPFC_LINK_DOWN || |
6595 | !phba->mbox_mem_pool || | |
f4b4c68f | 6596 | (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0) |
92d7f7b0 | 6597 | return NULL; |
2e0fef85 JS |
6598 | |
6599 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) | |
46fa311e JS |
6600 | return NULL; |
6601 | ||
dea3101e JB |
6602 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
6603 | if (!pmboxq) | |
6604 | return NULL; | |
6605 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); | |
6606 | ||
04c68496 | 6607 | pmb = &pmboxq->u.mb; |
dea3101e JB |
6608 | pmb->mbxCommand = MBX_READ_STATUS; |
6609 | pmb->mbxOwner = OWN_HOST; | |
3e1f0718 | 6610 | pmboxq->ctx_buf = NULL; |
92d7f7b0 | 6611 | pmboxq->vport = vport; |
dea3101e | 6612 | |
75baf696 | 6613 | if (vport->fc_flag & FC_OFFLINE_MODE) |
dea3101e | 6614 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
433c3579 | 6615 | else |
dea3101e JB |
6616 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
6617 | ||
6618 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 6619 | if (rc != MBX_TIMEOUT) |
433c3579 | 6620 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e JB |
6621 | return NULL; |
6622 | } | |
6623 | ||
f888ba3c JSEC |
6624 | memset(hs, 0, sizeof (struct fc_host_statistics)); |
6625 | ||
dea3101e | 6626 | hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt; |
73d91e50 JS |
6627 | /* |
6628 | * The MBX_READ_STATUS returns tx_k_bytes which has to | |
6629 | * converted to words | |
6630 | */ | |
6631 | hs->tx_words = (uint64_t) | |
6632 | ((uint64_t)pmb->un.varRdStatus.xmitByteCnt | |
6633 | * (uint64_t)256); | |
dea3101e | 6634 | hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt; |
73d91e50 JS |
6635 | hs->rx_words = (uint64_t) |
6636 | ((uint64_t)pmb->un.varRdStatus.rcvByteCnt | |
6637 | * (uint64_t)256); | |
dea3101e | 6638 | |
433c3579 | 6639 | memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
dea3101e JB |
6640 | pmb->mbxCommand = MBX_READ_LNK_STAT; |
6641 | pmb->mbxOwner = OWN_HOST; | |
3e1f0718 | 6642 | pmboxq->ctx_buf = NULL; |
92d7f7b0 | 6643 | pmboxq->vport = vport; |
dea3101e | 6644 | |
75baf696 | 6645 | if (vport->fc_flag & FC_OFFLINE_MODE) |
dea3101e | 6646 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
433c3579 | 6647 | else |
dea3101e JB |
6648 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
6649 | ||
6650 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 6651 | if (rc != MBX_TIMEOUT) |
92d7f7b0 | 6652 | mempool_free(pmboxq, phba->mbox_mem_pool); |
dea3101e JB |
6653 | return NULL; |
6654 | } | |
6655 | ||
6656 | hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; | |
6657 | hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; | |
6658 | hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; | |
6659 | hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; | |
6660 | hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; | |
6661 | hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt; | |
6662 | hs->error_frames = pmb->un.varRdLnk.crcCnt; | |
6663 | ||
64ba8818 JS |
6664 | hs->link_failure_count -= lso->link_failure_count; |
6665 | hs->loss_of_sync_count -= lso->loss_of_sync_count; | |
6666 | hs->loss_of_signal_count -= lso->loss_of_signal_count; | |
6667 | hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count; | |
6668 | hs->invalid_tx_word_count -= lso->invalid_tx_word_count; | |
6669 | hs->invalid_crc_count -= lso->invalid_crc_count; | |
6670 | hs->error_frames -= lso->error_frames; | |
6671 | ||
76a95d75 | 6672 | if (phba->hba_flag & HBA_FCOE_MODE) { |
4d9ab994 JS |
6673 | hs->lip_count = -1; |
6674 | hs->nos_count = (phba->link_events >> 1); | |
6675 | hs->nos_count -= lso->link_events; | |
76a95d75 | 6676 | } else if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
dea3101e | 6677 | hs->lip_count = (phba->fc_eventTag >> 1); |
64ba8818 | 6678 | hs->lip_count -= lso->link_events; |
dea3101e JB |
6679 | hs->nos_count = -1; |
6680 | } else { | |
6681 | hs->lip_count = -1; | |
6682 | hs->nos_count = (phba->fc_eventTag >> 1); | |
64ba8818 | 6683 | hs->nos_count -= lso->link_events; |
dea3101e JB |
6684 | } |
6685 | ||
6686 | hs->dumped_frames = -1; | |
6687 | ||
c4d6204d | 6688 | hs->seconds_since_last_reset = ktime_get_seconds() - psli->stats_start; |
dea3101e | 6689 | |
1dcb58e5 JS |
6690 | mempool_free(pmboxq, phba->mbox_mem_pool); |
6691 | ||
dea3101e JB |
6692 | return hs; |
6693 | } | |
6694 | ||
e59058c4 | 6695 | /** |
3621a710 | 6696 | * lpfc_reset_stats - Copy the adapter link stats information |
e59058c4 JS |
6697 | * @shost: kernel scsi host pointer. |
6698 | **/ | |
64ba8818 JS |
6699 | static void |
6700 | lpfc_reset_stats(struct Scsi_Host *shost) | |
6701 | { | |
2e0fef85 JS |
6702 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
6703 | struct lpfc_hba *phba = vport->phba; | |
6704 | struct lpfc_sli *psli = &phba->sli; | |
6705 | struct lpfc_lnk_stat *lso = &psli->lnk_stat_offsets; | |
64ba8818 JS |
6706 | LPFC_MBOXQ_t *pmboxq; |
6707 | MAILBOX_t *pmb; | |
6708 | int rc = 0; | |
6709 | ||
2e0fef85 | 6710 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) |
46fa311e JS |
6711 | return; |
6712 | ||
64ba8818 JS |
6713 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
6714 | if (!pmboxq) | |
6715 | return; | |
6716 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
6717 | ||
04c68496 | 6718 | pmb = &pmboxq->u.mb; |
64ba8818 JS |
6719 | pmb->mbxCommand = MBX_READ_STATUS; |
6720 | pmb->mbxOwner = OWN_HOST; | |
6721 | pmb->un.varWords[0] = 0x1; /* reset request */ | |
3e1f0718 | 6722 | pmboxq->ctx_buf = NULL; |
92d7f7b0 | 6723 | pmboxq->vport = vport; |
64ba8818 | 6724 | |
2e0fef85 | 6725 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
f4b4c68f | 6726 | (!(psli->sli_flag & LPFC_SLI_ACTIVE))) |
64ba8818 JS |
6727 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
6728 | else | |
6729 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
6730 | ||
6731 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 6732 | if (rc != MBX_TIMEOUT) |
64ba8818 JS |
6733 | mempool_free(pmboxq, phba->mbox_mem_pool); |
6734 | return; | |
6735 | } | |
6736 | ||
6737 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
6738 | pmb->mbxCommand = MBX_READ_LNK_STAT; | |
6739 | pmb->mbxOwner = OWN_HOST; | |
3e1f0718 | 6740 | pmboxq->ctx_buf = NULL; |
92d7f7b0 | 6741 | pmboxq->vport = vport; |
64ba8818 | 6742 | |
2e0fef85 | 6743 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
f4b4c68f | 6744 | (!(psli->sli_flag & LPFC_SLI_ACTIVE))) |
64ba8818 JS |
6745 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
6746 | else | |
6747 | rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); | |
6748 | ||
6749 | if (rc != MBX_SUCCESS) { | |
858c9f6c | 6750 | if (rc != MBX_TIMEOUT) |
64ba8818 JS |
6751 | mempool_free( pmboxq, phba->mbox_mem_pool); |
6752 | return; | |
6753 | } | |
6754 | ||
6755 | lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; | |
6756 | lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; | |
6757 | lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; | |
6758 | lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; | |
6759 | lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; | |
6760 | lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt; | |
6761 | lso->error_frames = pmb->un.varRdLnk.crcCnt; | |
76a95d75 | 6762 | if (phba->hba_flag & HBA_FCOE_MODE) |
4d9ab994 JS |
6763 | lso->link_events = (phba->link_events >> 1); |
6764 | else | |
6765 | lso->link_events = (phba->fc_eventTag >> 1); | |
64ba8818 | 6766 | |
c4d6204d | 6767 | psli->stats_start = ktime_get_seconds(); |
64ba8818 | 6768 | |
1dcb58e5 JS |
6769 | mempool_free(pmboxq, phba->mbox_mem_pool); |
6770 | ||
64ba8818 JS |
6771 | return; |
6772 | } | |
dea3101e JB |
6773 | |
6774 | /* | |
6775 | * The LPFC driver treats linkdown handling as target loss events so there | |
6776 | * are no sysfs handlers for link_down_tmo. | |
6777 | */ | |
685f0bf7 | 6778 | |
e59058c4 | 6779 | /** |
3621a710 | 6780 | * lpfc_get_node_by_target - Return the nodelist for a target |
e59058c4 JS |
6781 | * @starget: kernel scsi target pointer. |
6782 | * | |
6783 | * Returns: | |
6784 | * address of the node list if found | |
6785 | * NULL target not found | |
6786 | **/ | |
685f0bf7 JS |
6787 | static struct lpfc_nodelist * |
6788 | lpfc_get_node_by_target(struct scsi_target *starget) | |
dea3101e | 6789 | { |
2e0fef85 JS |
6790 | struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); |
6791 | struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; | |
685f0bf7 | 6792 | struct lpfc_nodelist *ndlp; |
dea3101e JB |
6793 | |
6794 | spin_lock_irq(shost->host_lock); | |
685f0bf7 | 6795 | /* Search for this, mapped, target ID */ |
2e0fef85 | 6796 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
e47c9093 JS |
6797 | if (NLP_CHK_NODE_ACT(ndlp) && |
6798 | ndlp->nlp_state == NLP_STE_MAPPED_NODE && | |
685f0bf7 JS |
6799 | starget->id == ndlp->nlp_sid) { |
6800 | spin_unlock_irq(shost->host_lock); | |
6801 | return ndlp; | |
dea3101e JB |
6802 | } |
6803 | } | |
6804 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 JS |
6805 | return NULL; |
6806 | } | |
dea3101e | 6807 | |
e59058c4 | 6808 | /** |
3621a710 | 6809 | * lpfc_get_starget_port_id - Set the target port id to the ndlp DID or -1 |
e59058c4 JS |
6810 | * @starget: kernel scsi target pointer. |
6811 | **/ | |
685f0bf7 JS |
6812 | static void |
6813 | lpfc_get_starget_port_id(struct scsi_target *starget) | |
6814 | { | |
6815 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); | |
6816 | ||
6817 | fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1; | |
dea3101e JB |
6818 | } |
6819 | ||
e59058c4 | 6820 | /** |
3621a710 | 6821 | * lpfc_get_starget_node_name - Set the target node name |
e59058c4 JS |
6822 | * @starget: kernel scsi target pointer. |
6823 | * | |
6824 | * Description: Set the target node name to the ndlp node name wwn or zero. | |
6825 | **/ | |
dea3101e JB |
6826 | static void |
6827 | lpfc_get_starget_node_name(struct scsi_target *starget) | |
6828 | { | |
685f0bf7 | 6829 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); |
dea3101e | 6830 | |
685f0bf7 JS |
6831 | fc_starget_node_name(starget) = |
6832 | ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0; | |
dea3101e JB |
6833 | } |
6834 | ||
e59058c4 | 6835 | /** |
3621a710 | 6836 | * lpfc_get_starget_port_name - Set the target port name |
e59058c4 JS |
6837 | * @starget: kernel scsi target pointer. |
6838 | * | |
6839 | * Description: set the target port name to the ndlp port name wwn or zero. | |
6840 | **/ | |
dea3101e JB |
6841 | static void |
6842 | lpfc_get_starget_port_name(struct scsi_target *starget) | |
6843 | { | |
685f0bf7 | 6844 | struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget); |
dea3101e | 6845 | |
685f0bf7 JS |
6846 | fc_starget_port_name(starget) = |
6847 | ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0; | |
dea3101e JB |
6848 | } |
6849 | ||
e59058c4 | 6850 | /** |
3621a710 | 6851 | * lpfc_set_rport_loss_tmo - Set the rport dev loss tmo |
e59058c4 JS |
6852 | * @rport: fc rport address. |
6853 | * @timeout: new value for dev loss tmo. | |
6854 | * | |
6855 | * Description: | |
6856 | * If timeout is non zero set the dev_loss_tmo to timeout, else set | |
6857 | * dev_loss_tmo to one. | |
6858 | **/ | |
dea3101e JB |
6859 | static void |
6860 | lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) | |
6861 | { | |
dea3101e | 6862 | if (timeout) |
c01f3208 | 6863 | rport->dev_loss_tmo = timeout; |
dea3101e | 6864 | else |
c01f3208 | 6865 | rport->dev_loss_tmo = 1; |
dea3101e JB |
6866 | } |
6867 | ||
e59058c4 | 6868 | /** |
3621a710 | 6869 | * lpfc_rport_show_function - Return rport target information |
e59058c4 JS |
6870 | * |
6871 | * Description: | |
6872 | * Macro that uses field to generate a function with the name lpfc_show_rport_ | |
6873 | * | |
6874 | * lpfc_show_rport_##field: returns the bytes formatted in buf | |
6875 | * @cdev: class converted to an fc_rport. | |
6876 | * @buf: on return contains the target_field or zero. | |
6877 | * | |
6878 | * Returns: size of formatted string. | |
6879 | **/ | |
dea3101e JB |
6880 | #define lpfc_rport_show_function(field, format_string, sz, cast) \ |
6881 | static ssize_t \ | |
ee959b00 TJ |
6882 | lpfc_show_rport_##field (struct device *dev, \ |
6883 | struct device_attribute *attr, \ | |
6884 | char *buf) \ | |
dea3101e | 6885 | { \ |
ee959b00 | 6886 | struct fc_rport *rport = transport_class_to_rport(dev); \ |
dea3101e | 6887 | struct lpfc_rport_data *rdata = rport->hostdata; \ |
e7f7b6f3 | 6888 | return scnprintf(buf, sz, format_string, \ |
dea3101e JB |
6889 | (rdata->target) ? cast rdata->target->field : 0); \ |
6890 | } | |
6891 | ||
6892 | #define lpfc_rport_rd_attr(field, format_string, sz) \ | |
6893 | lpfc_rport_show_function(field, format_string, sz, ) \ | |
6894 | static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL) | |
6895 | ||
eada272d | 6896 | /** |
3621a710 | 6897 | * lpfc_set_vport_symbolic_name - Set the vport's symbolic name |
eada272d JS |
6898 | * @fc_vport: The fc_vport who's symbolic name has been changed. |
6899 | * | |
6900 | * Description: | |
6901 | * This function is called by the transport after the @fc_vport's symbolic name | |
6902 | * has been changed. This function re-registers the symbolic name with the | |
25985edc | 6903 | * switch to propagate the change into the fabric if the vport is active. |
eada272d JS |
6904 | **/ |
6905 | static void | |
6906 | lpfc_set_vport_symbolic_name(struct fc_vport *fc_vport) | |
6907 | { | |
6908 | struct lpfc_vport *vport = *(struct lpfc_vport **)fc_vport->dd_data; | |
6909 | ||
6910 | if (vport->port_state == LPFC_VPORT_READY) | |
6911 | lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0); | |
6912 | } | |
dea3101e | 6913 | |
f4b4c68f JS |
6914 | /** |
6915 | * lpfc_hba_log_verbose_init - Set hba's log verbose level | |
6916 | * @phba: Pointer to lpfc_hba struct. | |
6917 | * | |
6918 | * This function is called by the lpfc_get_cfgparam() routine to set the | |
6919 | * module lpfc_log_verbose into the @phba cfg_log_verbose for use with | |
70f23fd6 | 6920 | * log message according to the module's lpfc_log_verbose parameter setting |
f4b4c68f JS |
6921 | * before hba port or vport created. |
6922 | **/ | |
6923 | static void | |
6924 | lpfc_hba_log_verbose_init(struct lpfc_hba *phba, uint32_t verbose) | |
6925 | { | |
6926 | phba->cfg_log_verbose = verbose; | |
6927 | } | |
6928 | ||
dea3101e JB |
6929 | struct fc_function_template lpfc_transport_functions = { |
6930 | /* fixed attributes the driver supports */ | |
6931 | .show_host_node_name = 1, | |
6932 | .show_host_port_name = 1, | |
6933 | .show_host_supported_classes = 1, | |
6934 | .show_host_supported_fc4s = 1, | |
dea3101e JB |
6935 | .show_host_supported_speeds = 1, |
6936 | .show_host_maxframe_size = 1, | |
6c9231f6 JS |
6937 | |
6938 | .get_host_symbolic_name = lpfc_get_host_symbolic_name, | |
eada272d | 6939 | .show_host_symbolic_name = 1, |
dea3101e JB |
6940 | |
6941 | /* dynamic attributes the driver supports */ | |
6942 | .get_host_port_id = lpfc_get_host_port_id, | |
6943 | .show_host_port_id = 1, | |
6944 | ||
6945 | .get_host_port_type = lpfc_get_host_port_type, | |
6946 | .show_host_port_type = 1, | |
6947 | ||
6948 | .get_host_port_state = lpfc_get_host_port_state, | |
6949 | .show_host_port_state = 1, | |
6950 | ||
6951 | /* active_fc4s is shown but doesn't change (thus no get function) */ | |
6952 | .show_host_active_fc4s = 1, | |
6953 | ||
6954 | .get_host_speed = lpfc_get_host_speed, | |
6955 | .show_host_speed = 1, | |
6956 | ||
6957 | .get_host_fabric_name = lpfc_get_host_fabric_name, | |
6958 | .show_host_fabric_name = 1, | |
6959 | ||
6960 | /* | |
6961 | * The LPFC driver treats linkdown handling as target loss events | |
6962 | * so there are no sysfs handlers for link_down_tmo. | |
6963 | */ | |
6964 | ||
6965 | .get_fc_host_stats = lpfc_get_stats, | |
64ba8818 | 6966 | .reset_fc_host_stats = lpfc_reset_stats, |
dea3101e JB |
6967 | |
6968 | .dd_fcrport_size = sizeof(struct lpfc_rport_data), | |
6969 | .show_rport_maxframe_size = 1, | |
6970 | .show_rport_supported_classes = 1, | |
6971 | ||
dea3101e JB |
6972 | .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, |
6973 | .show_rport_dev_loss_tmo = 1, | |
6974 | ||
6975 | .get_starget_port_id = lpfc_get_starget_port_id, | |
6976 | .show_starget_port_id = 1, | |
6977 | ||
6978 | .get_starget_node_name = lpfc_get_starget_node_name, | |
6979 | .show_starget_node_name = 1, | |
6980 | ||
6981 | .get_starget_port_name = lpfc_get_starget_port_name, | |
6982 | .show_starget_port_name = 1, | |
91ca7b01 AV |
6983 | |
6984 | .issue_fc_host_lip = lpfc_issue_lip, | |
c01f3208 JS |
6985 | .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, |
6986 | .terminate_rport_io = lpfc_terminate_rport_io, | |
92d7f7b0 | 6987 | |
92d7f7b0 | 6988 | .dd_fcvport_size = sizeof(struct lpfc_vport *), |
eada272d JS |
6989 | |
6990 | .vport_disable = lpfc_vport_disable, | |
6991 | ||
6992 | .set_vport_symbolic_name = lpfc_set_vport_symbolic_name, | |
f1c3b0fc JS |
6993 | |
6994 | .bsg_request = lpfc_bsg_request, | |
6995 | .bsg_timeout = lpfc_bsg_timeout, | |
92d7f7b0 JS |
6996 | }; |
6997 | ||
98c9ea5c JS |
6998 | struct fc_function_template lpfc_vport_transport_functions = { |
6999 | /* fixed attributes the driver supports */ | |
7000 | .show_host_node_name = 1, | |
7001 | .show_host_port_name = 1, | |
7002 | .show_host_supported_classes = 1, | |
7003 | .show_host_supported_fc4s = 1, | |
7004 | .show_host_supported_speeds = 1, | |
7005 | .show_host_maxframe_size = 1, | |
6c9231f6 JS |
7006 | |
7007 | .get_host_symbolic_name = lpfc_get_host_symbolic_name, | |
eada272d | 7008 | .show_host_symbolic_name = 1, |
98c9ea5c JS |
7009 | |
7010 | /* dynamic attributes the driver supports */ | |
7011 | .get_host_port_id = lpfc_get_host_port_id, | |
7012 | .show_host_port_id = 1, | |
7013 | ||
7014 | .get_host_port_type = lpfc_get_host_port_type, | |
7015 | .show_host_port_type = 1, | |
7016 | ||
7017 | .get_host_port_state = lpfc_get_host_port_state, | |
7018 | .show_host_port_state = 1, | |
7019 | ||
7020 | /* active_fc4s is shown but doesn't change (thus no get function) */ | |
7021 | .show_host_active_fc4s = 1, | |
7022 | ||
7023 | .get_host_speed = lpfc_get_host_speed, | |
7024 | .show_host_speed = 1, | |
7025 | ||
7026 | .get_host_fabric_name = lpfc_get_host_fabric_name, | |
7027 | .show_host_fabric_name = 1, | |
7028 | ||
7029 | /* | |
7030 | * The LPFC driver treats linkdown handling as target loss events | |
7031 | * so there are no sysfs handlers for link_down_tmo. | |
7032 | */ | |
7033 | ||
7034 | .get_fc_host_stats = lpfc_get_stats, | |
7035 | .reset_fc_host_stats = lpfc_reset_stats, | |
7036 | ||
7037 | .dd_fcrport_size = sizeof(struct lpfc_rport_data), | |
7038 | .show_rport_maxframe_size = 1, | |
7039 | .show_rport_supported_classes = 1, | |
7040 | ||
7041 | .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, | |
7042 | .show_rport_dev_loss_tmo = 1, | |
7043 | ||
7044 | .get_starget_port_id = lpfc_get_starget_port_id, | |
7045 | .show_starget_port_id = 1, | |
7046 | ||
7047 | .get_starget_node_name = lpfc_get_starget_node_name, | |
7048 | .show_starget_node_name = 1, | |
7049 | ||
7050 | .get_starget_port_name = lpfc_get_starget_port_name, | |
7051 | .show_starget_port_name = 1, | |
7052 | ||
7053 | .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, | |
7054 | .terminate_rport_io = lpfc_terminate_rport_io, | |
7055 | ||
7056 | .vport_disable = lpfc_vport_disable, | |
eada272d JS |
7057 | |
7058 | .set_vport_symbolic_name = lpfc_set_vport_symbolic_name, | |
98c9ea5c JS |
7059 | }; |
7060 | ||
e59058c4 | 7061 | /** |
3621a710 | 7062 | * lpfc_get_cfgparam - Used during probe_one to init the adapter structure |
e59058c4 JS |
7063 | * @phba: lpfc_hba pointer. |
7064 | **/ | |
dea3101e JB |
7065 | void |
7066 | lpfc_get_cfgparam(struct lpfc_hba *phba) | |
7067 | { | |
49aa143d | 7068 | lpfc_fcp_io_sched_init(phba, lpfc_fcp_io_sched); |
7ea92eb4 | 7069 | lpfc_ns_query_init(phba, lpfc_ns_query); |
a6571c6e | 7070 | lpfc_fcp2_no_tgt_reset_init(phba, lpfc_fcp2_no_tgt_reset); |
7bcbb752 JSEC |
7071 | lpfc_cr_delay_init(phba, lpfc_cr_delay); |
7072 | lpfc_cr_count_init(phba, lpfc_cr_count); | |
cf5bf97e | 7073 | lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support); |
a4bc3379 JS |
7074 | lpfc_multi_ring_rctl_init(phba, lpfc_multi_ring_rctl); |
7075 | lpfc_multi_ring_type_init(phba, lpfc_multi_ring_type); | |
7bcbb752 | 7076 | lpfc_ack0_init(phba, lpfc_ack0); |
c490850a | 7077 | lpfc_xri_rebalancing_init(phba, lpfc_xri_rebalancing); |
7bcbb752 | 7078 | lpfc_topology_init(phba, lpfc_topology); |
7bcbb752 | 7079 | lpfc_link_speed_init(phba, lpfc_link_speed); |
875fbdfe | 7080 | lpfc_poll_tmo_init(phba, lpfc_poll_tmo); |
0c411222 | 7081 | lpfc_task_mgmt_tmo_init(phba, lpfc_task_mgmt_tmo); |
78b2d852 | 7082 | lpfc_enable_npiv_init(phba, lpfc_enable_npiv); |
7d791df7 | 7083 | lpfc_fcf_failover_policy_init(phba, lpfc_fcf_failover_policy); |
19ca7609 | 7084 | lpfc_enable_rrq_init(phba, lpfc_enable_rrq); |
4258e98e JS |
7085 | lpfc_fdmi_on_init(phba, lpfc_fdmi_on); |
7086 | lpfc_enable_SmartSAN_init(phba, lpfc_enable_SmartSAN); | |
4ff43246 | 7087 | lpfc_use_msi_init(phba, lpfc_use_msi); |
895427bd | 7088 | lpfc_nvme_oas_init(phba, lpfc_nvme_oas); |
4e565cf0 | 7089 | lpfc_nvme_embed_cmd_init(phba, lpfc_nvme_embed_cmd); |
da0436e9 | 7090 | lpfc_fcp_imax_init(phba, lpfc_fcp_imax); |
41b194b8 | 7091 | lpfc_force_rscn_init(phba, lpfc_force_rscn); |
32517fc0 JS |
7092 | lpfc_cq_poll_threshold_init(phba, lpfc_cq_poll_threshold); |
7093 | lpfc_cq_max_proc_limit_init(phba, lpfc_cq_max_proc_limit); | |
7bb03bbf | 7094 | lpfc_fcp_cpu_map_init(phba, lpfc_fcp_cpu_map); |
13815c83 JS |
7095 | lpfc_enable_hba_reset_init(phba, lpfc_enable_hba_reset); |
7096 | lpfc_enable_hba_heartbeat_init(phba, lpfc_enable_hba_heartbeat); | |
2ea259ee | 7097 | |
1ba981fd JS |
7098 | lpfc_EnableXLane_init(phba, lpfc_EnableXLane); |
7099 | if (phba->sli_rev != LPFC_SLI_REV4) | |
7100 | phba->cfg_EnableXLane = 0; | |
7101 | lpfc_XLanePriority_init(phba, lpfc_XLanePriority); | |
2ea259ee | 7102 | |
1ba981fd JS |
7103 | memset(phba->cfg_oas_tgt_wwpn, 0, (8 * sizeof(uint8_t))); |
7104 | memset(phba->cfg_oas_vpt_wwpn, 0, (8 * sizeof(uint8_t))); | |
7105 | phba->cfg_oas_lun_state = 0; | |
7106 | phba->cfg_oas_lun_status = 0; | |
7107 | phba->cfg_oas_flags = 0; | |
c92c841c | 7108 | phba->cfg_oas_priority = 0; |
81301a9b | 7109 | lpfc_enable_bg_init(phba, lpfc_enable_bg); |
b3b98b74 JS |
7110 | lpfc_prot_mask_init(phba, lpfc_prot_mask); |
7111 | lpfc_prot_guard_init(phba, lpfc_prot_guard); | |
45ed1190 JS |
7112 | if (phba->sli_rev == LPFC_SLI_REV4) |
7113 | phba->cfg_poll = 0; | |
7114 | else | |
1ba981fd | 7115 | phba->cfg_poll = lpfc_poll; |
f44ac12f JS |
7116 | |
7117 | if (phba->cfg_enable_bg) | |
7118 | phba->sli3_options |= LPFC_SLI3_BG_ENABLED; | |
7119 | ||
f358dd0c | 7120 | lpfc_suppress_rsp_init(phba, lpfc_suppress_rsp); |
4258e98e | 7121 | |
895427bd | 7122 | lpfc_enable_fc4_type_init(phba, lpfc_enable_fc4_type); |
2d7dbc4c | 7123 | lpfc_nvmet_mrq_init(phba, lpfc_nvmet_mrq); |
2448e484 | 7124 | lpfc_nvmet_mrq_post_init(phba, lpfc_nvmet_mrq_post); |
895427bd JS |
7125 | |
7126 | /* Initialize first burst. Target vs Initiator are different. */ | |
7127 | lpfc_nvme_enable_fb_init(phba, lpfc_nvme_enable_fb); | |
2d7dbc4c | 7128 | lpfc_nvmet_fb_size_init(phba, lpfc_nvmet_fb_size); |
77ffd346 | 7129 | lpfc_fcp_mq_threshold_init(phba, lpfc_fcp_mq_threshold); |
cdb42bec | 7130 | lpfc_hdw_queue_init(phba, lpfc_hdw_queue); |
6a828b0f | 7131 | lpfc_irq_chann_init(phba, lpfc_irq_chann); |
44fd7fe3 | 7132 | lpfc_enable_bbcr_init(phba, lpfc_enable_bbcr); |
1351e69f | 7133 | lpfc_enable_dpp_init(phba, lpfc_enable_dpp); |
895427bd JS |
7134 | |
7135 | if (phba->sli_rev != LPFC_SLI_REV4) { | |
7136 | /* NVME only supported on SLI4 */ | |
7137 | phba->nvmet_support = 0; | |
982ab128 | 7138 | phba->cfg_nvmet_mrq = 0; |
895427bd | 7139 | phba->cfg_enable_fc4_type = LPFC_ENABLE_FCP; |
44fd7fe3 | 7140 | phba->cfg_enable_bbcr = 0; |
c490850a | 7141 | phba->cfg_xri_rebalancing = 0; |
895427bd JS |
7142 | } else { |
7143 | /* We MUST have FCP support */ | |
7144 | if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP)) | |
7145 | phba->cfg_enable_fc4_type |= LPFC_ENABLE_FCP; | |
7146 | } | |
7147 | ||
32517fc0 | 7148 | phba->cfg_auto_imax = (phba->cfg_fcp_imax) ? 0 : 1; |
0cf07f84 | 7149 | |
06b6fa38 JS |
7150 | phba->cfg_enable_pbde = 0; |
7151 | ||
895427bd | 7152 | /* A value of 0 means use the number of CPUs found in the system */ |
cdb42bec JS |
7153 | if (phba->cfg_hdw_queue == 0) |
7154 | phba->cfg_hdw_queue = phba->sli4_hba.num_present_cpu; | |
6a828b0f JS |
7155 | if (phba->cfg_irq_chann == 0) |
7156 | phba->cfg_irq_chann = phba->sli4_hba.num_present_cpu; | |
7157 | if (phba->cfg_irq_chann > phba->cfg_hdw_queue) | |
7158 | phba->cfg_irq_chann = phba->cfg_hdw_queue; | |
4258e98e | 7159 | |
352e5fd1 JS |
7160 | phba->cfg_soft_wwnn = 0L; |
7161 | phba->cfg_soft_wwpn = 0L; | |
83108bd3 | 7162 | lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt); |
7054a606 | 7163 | lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth); |
6fb120a7 | 7164 | lpfc_hba_log_verbose_init(phba, lpfc_log_verbose); |
0d878419 | 7165 | lpfc_aer_support_init(phba, lpfc_aer_support); |
912e3acd | 7166 | lpfc_sriov_nr_virtfn_init(phba, lpfc_sriov_nr_virtfn); |
c71ab861 | 7167 | lpfc_request_firmware_upgrade_init(phba, lpfc_req_fw_upgrade); |
84d1b006 | 7168 | lpfc_suppress_link_up_init(phba, lpfc_suppress_link_up); |
2a9bf3d0 | 7169 | lpfc_iocb_cnt_init(phba, lpfc_iocb_cnt); |
8eb8b960 | 7170 | lpfc_delay_discovery_init(phba, lpfc_delay_discovery); |
12247e81 | 7171 | lpfc_sli_mode_init(phba, lpfc_sli_mode); |
ab56dc2e | 7172 | phba->cfg_enable_dss = 1; |
7bdedb34 | 7173 | lpfc_enable_mds_diags_init(phba, lpfc_enable_mds_diags); |
d2cc9bcd JS |
7174 | lpfc_ras_fwlog_buffsize_init(phba, lpfc_ras_fwlog_buffsize); |
7175 | lpfc_ras_fwlog_level_init(phba, lpfc_ras_fwlog_level); | |
7176 | lpfc_ras_fwlog_func_init(phba, lpfc_ras_fwlog_func); | |
7177 | ||
faf0a5f8 JS |
7178 | |
7179 | /* If the NVME FC4 type is enabled, scale the sg_seg_cnt to | |
7180 | * accommodate 512K and 1M IOs in a single nvme buf and supply | |
7181 | * enough NVME LS iocb buffers for larger connectivity counts. | |
7182 | */ | |
7183 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { | |
7184 | phba->cfg_sg_seg_cnt = LPFC_MAX_NVME_SEG_CNT; | |
7185 | phba->cfg_iocb_cnt = 5; | |
7186 | } | |
7187 | ||
3de2a653 JS |
7188 | return; |
7189 | } | |
b28485ac | 7190 | |
895427bd JS |
7191 | /** |
7192 | * lpfc_nvme_mod_param_dep - Adjust module parameter value based on | |
7193 | * dependencies between protocols and roles. | |
7194 | * @phba: lpfc_hba pointer. | |
7195 | **/ | |
7196 | void | |
7197 | lpfc_nvme_mod_param_dep(struct lpfc_hba *phba) | |
7198 | { | |
cdb42bec JS |
7199 | if (phba->cfg_hdw_queue > phba->sli4_hba.num_present_cpu) |
7200 | phba->cfg_hdw_queue = phba->sli4_hba.num_present_cpu; | |
6a828b0f JS |
7201 | if (phba->cfg_irq_chann > phba->sli4_hba.num_present_cpu) |
7202 | phba->cfg_irq_chann = phba->sli4_hba.num_present_cpu; | |
7203 | if (phba->cfg_irq_chann > phba->cfg_hdw_queue) | |
7204 | phba->cfg_irq_chann = phba->cfg_hdw_queue; | |
895427bd | 7205 | |
f358dd0c JS |
7206 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME && |
7207 | phba->nvmet_support) { | |
7208 | phba->cfg_enable_fc4_type &= ~LPFC_ENABLE_FCP; | |
2d7dbc4c JS |
7209 | |
7210 | lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC, | |
7211 | "6013 %s x%x fb_size x%x, fb_max x%x\n", | |
7212 | "NVME Target PRLI ACC enable_fb ", | |
7213 | phba->cfg_nvme_enable_fb, | |
7214 | phba->cfg_nvmet_fb_size, | |
7215 | LPFC_NVMET_FB_SZ_MAX); | |
7216 | ||
7217 | if (phba->cfg_nvme_enable_fb == 0) | |
7218 | phba->cfg_nvmet_fb_size = 0; | |
7219 | else { | |
7220 | if (phba->cfg_nvmet_fb_size > LPFC_NVMET_FB_SZ_MAX) | |
7221 | phba->cfg_nvmet_fb_size = LPFC_NVMET_FB_SZ_MAX; | |
7222 | } | |
7223 | ||
bcb24f65 | 7224 | if (!phba->cfg_nvmet_mrq) |
6a828b0f | 7225 | phba->cfg_nvmet_mrq = phba->cfg_irq_chann; |
bcb24f65 | 7226 | |
2d7dbc4c | 7227 | /* Adjust lpfc_nvmet_mrq to avoid running out of WQE slots */ |
6a828b0f JS |
7228 | if (phba->cfg_nvmet_mrq > phba->cfg_irq_chann) { |
7229 | phba->cfg_nvmet_mrq = phba->cfg_irq_chann; | |
2d7dbc4c JS |
7230 | lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC, |
7231 | "6018 Adjust lpfc_nvmet_mrq to %d\n", | |
7232 | phba->cfg_nvmet_mrq); | |
7233 | } | |
bcb24f65 JS |
7234 | if (phba->cfg_nvmet_mrq > LPFC_NVMET_MRQ_MAX) |
7235 | phba->cfg_nvmet_mrq = LPFC_NVMET_MRQ_MAX; | |
7236 | ||
2d7dbc4c | 7237 | } else { |
f358dd0c JS |
7238 | /* Not NVME Target mode. Turn off Target parameters. */ |
7239 | phba->nvmet_support = 0; | |
982ab128 | 7240 | phba->cfg_nvmet_mrq = 0; |
2d7dbc4c JS |
7241 | phba->cfg_nvmet_fb_size = 0; |
7242 | } | |
895427bd JS |
7243 | } |
7244 | ||
e59058c4 | 7245 | /** |
3621a710 | 7246 | * lpfc_get_vport_cfgparam - Used during port create, init the vport structure |
e59058c4 JS |
7247 | * @vport: lpfc_vport pointer. |
7248 | **/ | |
3de2a653 JS |
7249 | void |
7250 | lpfc_get_vport_cfgparam(struct lpfc_vport *vport) | |
7251 | { | |
e8b62011 | 7252 | lpfc_log_verbose_init(vport, lpfc_log_verbose); |
3de2a653 | 7253 | lpfc_lun_queue_depth_init(vport, lpfc_lun_queue_depth); |
7dc517df | 7254 | lpfc_tgt_queue_depth_init(vport, lpfc_tgt_queue_depth); |
3de2a653 JS |
7255 | lpfc_devloss_tmo_init(vport, lpfc_devloss_tmo); |
7256 | lpfc_nodev_tmo_init(vport, lpfc_nodev_tmo); | |
7257 | lpfc_peer_port_login_init(vport, lpfc_peer_port_login); | |
7258 | lpfc_restrict_login_init(vport, lpfc_restrict_login); | |
7259 | lpfc_fcp_class_init(vport, lpfc_fcp_class); | |
7260 | lpfc_use_adisc_init(vport, lpfc_use_adisc); | |
3cb01c57 | 7261 | lpfc_first_burst_size_init(vport, lpfc_first_burst_size); |
977b5a0a | 7262 | lpfc_max_scsicmpl_time_init(vport, lpfc_max_scsicmpl_time); |
3de2a653 JS |
7263 | lpfc_discovery_threads_init(vport, lpfc_discovery_threads); |
7264 | lpfc_max_luns_init(vport, lpfc_max_luns); | |
7265 | lpfc_scan_down_init(vport, lpfc_scan_down); | |
7ee5d43e | 7266 | lpfc_enable_da_id_init(vport, lpfc_enable_da_id); |
dea3101e JB |
7267 | return; |
7268 | } |