Commit | Line | Data |
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7725ccfd | 1 | /* |
889d0d42 AG |
2 | * Copyright (c) 2005-2014 Brocade Communications Systems, Inc. |
3 | * Copyright (c) 2014- QLogic Corporation. | |
7725ccfd | 4 | * All rights reserved |
889d0d42 | 5 | * www.qlogic.com |
7725ccfd | 6 | * |
31e1d569 | 7 | * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter. |
7725ccfd JH |
8 | * |
9 | * This program is free software; you can redistribute it and/or modify it | |
10 | * under the terms of the GNU General Public License (GPL) Version 2 as | |
11 | * published by the Free Software Foundation | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, but | |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * General Public License for more details. | |
17 | */ | |
18 | ||
f16a1750 | 19 | #include "bfad_drv.h" |
a36c61f9 | 20 | #include "bfa_modules.h" |
7725ccfd JH |
21 | |
22 | BFA_TRC_FILE(HAL, FCPIM); | |
7725ccfd | 23 | |
5fbe25c7 | 24 | /* |
a36c61f9 KG |
25 | * BFA ITNIM Related definitions |
26 | */ | |
27 | static void bfa_itnim_update_del_itn_stats(struct bfa_itnim_s *itnim); | |
83763d59 | 28 | static void bfa_ioim_lm_init(struct bfa_s *bfa); |
a36c61f9 KG |
29 | |
30 | #define BFA_ITNIM_FROM_TAG(_fcpim, _tag) \ | |
31 | (((_fcpim)->itnim_arr + ((_tag) & ((_fcpim)->num_itnims - 1)))) | |
32 | ||
33 | #define bfa_fcpim_additn(__itnim) \ | |
34 | list_add_tail(&(__itnim)->qe, &(__itnim)->fcpim->itnim_q) | |
35 | #define bfa_fcpim_delitn(__itnim) do { \ | |
d4b671c5 | 36 | WARN_ON(!bfa_q_is_on_q(&(__itnim)->fcpim->itnim_q, __itnim)); \ |
a36c61f9 KG |
37 | bfa_itnim_update_del_itn_stats(__itnim); \ |
38 | list_del(&(__itnim)->qe); \ | |
d4b671c5 JH |
39 | WARN_ON(!list_empty(&(__itnim)->io_q)); \ |
40 | WARN_ON(!list_empty(&(__itnim)->io_cleanup_q)); \ | |
41 | WARN_ON(!list_empty(&(__itnim)->pending_q)); \ | |
a36c61f9 KG |
42 | } while (0) |
43 | ||
44 | #define bfa_itnim_online_cb(__itnim) do { \ | |
45 | if ((__itnim)->bfa->fcs) \ | |
46 | bfa_cb_itnim_online((__itnim)->ditn); \ | |
47 | else { \ | |
48 | bfa_cb_queue((__itnim)->bfa, &(__itnim)->hcb_qe, \ | |
49 | __bfa_cb_itnim_online, (__itnim)); \ | |
50 | } \ | |
51 | } while (0) | |
52 | ||
53 | #define bfa_itnim_offline_cb(__itnim) do { \ | |
54 | if ((__itnim)->bfa->fcs) \ | |
55 | bfa_cb_itnim_offline((__itnim)->ditn); \ | |
56 | else { \ | |
57 | bfa_cb_queue((__itnim)->bfa, &(__itnim)->hcb_qe, \ | |
58 | __bfa_cb_itnim_offline, (__itnim)); \ | |
59 | } \ | |
60 | } while (0) | |
61 | ||
62 | #define bfa_itnim_sler_cb(__itnim) do { \ | |
63 | if ((__itnim)->bfa->fcs) \ | |
64 | bfa_cb_itnim_sler((__itnim)->ditn); \ | |
65 | else { \ | |
66 | bfa_cb_queue((__itnim)->bfa, &(__itnim)->hcb_qe, \ | |
67 | __bfa_cb_itnim_sler, (__itnim)); \ | |
68 | } \ | |
69 | } while (0) | |
70 | ||
83763d59 KG |
71 | enum bfa_ioim_lm_ua_status { |
72 | BFA_IOIM_LM_UA_RESET = 0, | |
73 | BFA_IOIM_LM_UA_SET = 1, | |
74 | }; | |
75 | ||
5fbe25c7 | 76 | /* |
da99dcc9 | 77 | * itnim state machine event |
a36c61f9 | 78 | */ |
a36c61f9 KG |
79 | enum bfa_itnim_event { |
80 | BFA_ITNIM_SM_CREATE = 1, /* itnim is created */ | |
81 | BFA_ITNIM_SM_ONLINE = 2, /* itnim is online */ | |
82 | BFA_ITNIM_SM_OFFLINE = 3, /* itnim is offline */ | |
83 | BFA_ITNIM_SM_FWRSP = 4, /* firmware response */ | |
84 | BFA_ITNIM_SM_DELETE = 5, /* deleting an existing itnim */ | |
85 | BFA_ITNIM_SM_CLEANUP = 6, /* IO cleanup completion */ | |
86 | BFA_ITNIM_SM_SLER = 7, /* second level error recovery */ | |
87 | BFA_ITNIM_SM_HWFAIL = 8, /* IOC h/w failure event */ | |
88 | BFA_ITNIM_SM_QRESUME = 9, /* queue space available */ | |
89 | }; | |
90 | ||
5fbe25c7 | 91 | /* |
a36c61f9 KG |
92 | * BFA IOIM related definitions |
93 | */ | |
94 | #define bfa_ioim_move_to_comp_q(__ioim) do { \ | |
95 | list_del(&(__ioim)->qe); \ | |
96 | list_add_tail(&(__ioim)->qe, &(__ioim)->fcpim->ioim_comp_q); \ | |
97 | } while (0) | |
98 | ||
99 | ||
100 | #define bfa_ioim_cb_profile_comp(__fcpim, __ioim) do { \ | |
101 | if ((__fcpim)->profile_comp) \ | |
102 | (__fcpim)->profile_comp(__ioim); \ | |
103 | } while (0) | |
104 | ||
105 | #define bfa_ioim_cb_profile_start(__fcpim, __ioim) do { \ | |
106 | if ((__fcpim)->profile_start) \ | |
107 | (__fcpim)->profile_start(__ioim); \ | |
108 | } while (0) | |
a36c61f9 | 109 | |
5fbe25c7 | 110 | /* |
a36c61f9 KG |
111 | * IO state machine events |
112 | */ | |
113 | enum bfa_ioim_event { | |
114 | BFA_IOIM_SM_START = 1, /* io start request from host */ | |
115 | BFA_IOIM_SM_COMP_GOOD = 2, /* io good comp, resource free */ | |
116 | BFA_IOIM_SM_COMP = 3, /* io comp, resource is free */ | |
117 | BFA_IOIM_SM_COMP_UTAG = 4, /* io comp, resource is free */ | |
118 | BFA_IOIM_SM_DONE = 5, /* io comp, resource not free */ | |
119 | BFA_IOIM_SM_FREE = 6, /* io resource is freed */ | |
120 | BFA_IOIM_SM_ABORT = 7, /* abort request from scsi stack */ | |
121 | BFA_IOIM_SM_ABORT_COMP = 8, /* abort from f/w */ | |
122 | BFA_IOIM_SM_ABORT_DONE = 9, /* abort completion from f/w */ | |
123 | BFA_IOIM_SM_QRESUME = 10, /* CQ space available to queue IO */ | |
124 | BFA_IOIM_SM_SGALLOCED = 11, /* SG page allocation successful */ | |
125 | BFA_IOIM_SM_SQRETRY = 12, /* sequence recovery retry */ | |
126 | BFA_IOIM_SM_HCB = 13, /* bfa callback complete */ | |
127 | BFA_IOIM_SM_CLEANUP = 14, /* IO cleanup from itnim */ | |
128 | BFA_IOIM_SM_TMSTART = 15, /* IO cleanup from tskim */ | |
129 | BFA_IOIM_SM_TMDONE = 16, /* IO cleanup from tskim */ | |
130 | BFA_IOIM_SM_HWFAIL = 17, /* IOC h/w failure event */ | |
131 | BFA_IOIM_SM_IOTOV = 18, /* ITN offline TOV */ | |
132 | }; | |
133 | ||
134 | ||
5fbe25c7 | 135 | /* |
a36c61f9 KG |
136 | * BFA TSKIM related definitions |
137 | */ | |
138 | ||
5fbe25c7 | 139 | /* |
a36c61f9 KG |
140 | * task management completion handling |
141 | */ | |
142 | #define bfa_tskim_qcomp(__tskim, __cbfn) do { \ | |
143 | bfa_cb_queue((__tskim)->bfa, &(__tskim)->hcb_qe, __cbfn, (__tskim));\ | |
144 | bfa_tskim_notify_comp(__tskim); \ | |
145 | } while (0) | |
146 | ||
147 | #define bfa_tskim_notify_comp(__tskim) do { \ | |
148 | if ((__tskim)->notify) \ | |
149 | bfa_itnim_tskdone((__tskim)->itnim); \ | |
150 | } while (0) | |
151 | ||
152 | ||
153 | enum bfa_tskim_event { | |
154 | BFA_TSKIM_SM_START = 1, /* TM command start */ | |
155 | BFA_TSKIM_SM_DONE = 2, /* TM completion */ | |
156 | BFA_TSKIM_SM_QRESUME = 3, /* resume after qfull */ | |
157 | BFA_TSKIM_SM_HWFAIL = 5, /* IOC h/w failure event */ | |
158 | BFA_TSKIM_SM_HCB = 6, /* BFA callback completion */ | |
159 | BFA_TSKIM_SM_IOS_DONE = 7, /* IO and sub TM completions */ | |
160 | BFA_TSKIM_SM_CLEANUP = 8, /* TM cleanup on ITN offline */ | |
161 | BFA_TSKIM_SM_CLEANUP_DONE = 9, /* TM abort completion */ | |
1306e31d | 162 | BFA_TSKIM_SM_UTAG = 10, /* TM completion unknown tag */ |
a36c61f9 KG |
163 | }; |
164 | ||
5fbe25c7 | 165 | /* |
a36c61f9 KG |
166 | * forward declaration for BFA ITNIM functions |
167 | */ | |
168 | static void bfa_itnim_iocdisable_cleanup(struct bfa_itnim_s *itnim); | |
169 | static bfa_boolean_t bfa_itnim_send_fwcreate(struct bfa_itnim_s *itnim); | |
170 | static bfa_boolean_t bfa_itnim_send_fwdelete(struct bfa_itnim_s *itnim); | |
171 | static void bfa_itnim_cleanp_comp(void *itnim_cbarg); | |
172 | static void bfa_itnim_cleanup(struct bfa_itnim_s *itnim); | |
173 | static void __bfa_cb_itnim_online(void *cbarg, bfa_boolean_t complete); | |
174 | static void __bfa_cb_itnim_offline(void *cbarg, bfa_boolean_t complete); | |
175 | static void __bfa_cb_itnim_sler(void *cbarg, bfa_boolean_t complete); | |
176 | static void bfa_itnim_iotov_online(struct bfa_itnim_s *itnim); | |
177 | static void bfa_itnim_iotov_cleanup(struct bfa_itnim_s *itnim); | |
178 | static void bfa_itnim_iotov(void *itnim_arg); | |
179 | static void bfa_itnim_iotov_start(struct bfa_itnim_s *itnim); | |
180 | static void bfa_itnim_iotov_stop(struct bfa_itnim_s *itnim); | |
181 | static void bfa_itnim_iotov_delete(struct bfa_itnim_s *itnim); | |
182 | ||
5fbe25c7 | 183 | /* |
a36c61f9 KG |
184 | * forward declaration of ITNIM state machine |
185 | */ | |
186 | static void bfa_itnim_sm_uninit(struct bfa_itnim_s *itnim, | |
187 | enum bfa_itnim_event event); | |
188 | static void bfa_itnim_sm_created(struct bfa_itnim_s *itnim, | |
189 | enum bfa_itnim_event event); | |
190 | static void bfa_itnim_sm_fwcreate(struct bfa_itnim_s *itnim, | |
191 | enum bfa_itnim_event event); | |
192 | static void bfa_itnim_sm_delete_pending(struct bfa_itnim_s *itnim, | |
193 | enum bfa_itnim_event event); | |
194 | static void bfa_itnim_sm_online(struct bfa_itnim_s *itnim, | |
195 | enum bfa_itnim_event event); | |
196 | static void bfa_itnim_sm_sler(struct bfa_itnim_s *itnim, | |
197 | enum bfa_itnim_event event); | |
198 | static void bfa_itnim_sm_cleanup_offline(struct bfa_itnim_s *itnim, | |
199 | enum bfa_itnim_event event); | |
200 | static void bfa_itnim_sm_cleanup_delete(struct bfa_itnim_s *itnim, | |
201 | enum bfa_itnim_event event); | |
202 | static void bfa_itnim_sm_fwdelete(struct bfa_itnim_s *itnim, | |
203 | enum bfa_itnim_event event); | |
204 | static void bfa_itnim_sm_offline(struct bfa_itnim_s *itnim, | |
205 | enum bfa_itnim_event event); | |
206 | static void bfa_itnim_sm_iocdisable(struct bfa_itnim_s *itnim, | |
207 | enum bfa_itnim_event event); | |
208 | static void bfa_itnim_sm_deleting(struct bfa_itnim_s *itnim, | |
209 | enum bfa_itnim_event event); | |
210 | static void bfa_itnim_sm_fwcreate_qfull(struct bfa_itnim_s *itnim, | |
211 | enum bfa_itnim_event event); | |
212 | static void bfa_itnim_sm_fwdelete_qfull(struct bfa_itnim_s *itnim, | |
213 | enum bfa_itnim_event event); | |
214 | static void bfa_itnim_sm_deleting_qfull(struct bfa_itnim_s *itnim, | |
215 | enum bfa_itnim_event event); | |
216 | ||
5fbe25c7 | 217 | /* |
a36c61f9 KG |
218 | * forward declaration for BFA IOIM functions |
219 | */ | |
220 | static bfa_boolean_t bfa_ioim_send_ioreq(struct bfa_ioim_s *ioim); | |
e3e7d3ee | 221 | static bfa_boolean_t bfa_ioim_sgpg_alloc(struct bfa_ioim_s *ioim); |
a36c61f9 KG |
222 | static bfa_boolean_t bfa_ioim_send_abort(struct bfa_ioim_s *ioim); |
223 | static void bfa_ioim_notify_cleanup(struct bfa_ioim_s *ioim); | |
224 | static void __bfa_cb_ioim_good_comp(void *cbarg, bfa_boolean_t complete); | |
225 | static void __bfa_cb_ioim_comp(void *cbarg, bfa_boolean_t complete); | |
226 | static void __bfa_cb_ioim_abort(void *cbarg, bfa_boolean_t complete); | |
227 | static void __bfa_cb_ioim_failed(void *cbarg, bfa_boolean_t complete); | |
228 | static void __bfa_cb_ioim_pathtov(void *cbarg, bfa_boolean_t complete); | |
229 | static bfa_boolean_t bfa_ioim_is_abortable(struct bfa_ioim_s *ioim); | |
230 | ||
5fbe25c7 | 231 | /* |
a36c61f9 KG |
232 | * forward declaration of BFA IO state machine |
233 | */ | |
234 | static void bfa_ioim_sm_uninit(struct bfa_ioim_s *ioim, | |
235 | enum bfa_ioim_event event); | |
236 | static void bfa_ioim_sm_sgalloc(struct bfa_ioim_s *ioim, | |
237 | enum bfa_ioim_event event); | |
238 | static void bfa_ioim_sm_active(struct bfa_ioim_s *ioim, | |
239 | enum bfa_ioim_event event); | |
240 | static void bfa_ioim_sm_abort(struct bfa_ioim_s *ioim, | |
241 | enum bfa_ioim_event event); | |
242 | static void bfa_ioim_sm_cleanup(struct bfa_ioim_s *ioim, | |
243 | enum bfa_ioim_event event); | |
244 | static void bfa_ioim_sm_qfull(struct bfa_ioim_s *ioim, | |
245 | enum bfa_ioim_event event); | |
246 | static void bfa_ioim_sm_abort_qfull(struct bfa_ioim_s *ioim, | |
247 | enum bfa_ioim_event event); | |
248 | static void bfa_ioim_sm_cleanup_qfull(struct bfa_ioim_s *ioim, | |
249 | enum bfa_ioim_event event); | |
250 | static void bfa_ioim_sm_hcb(struct bfa_ioim_s *ioim, | |
251 | enum bfa_ioim_event event); | |
252 | static void bfa_ioim_sm_hcb_free(struct bfa_ioim_s *ioim, | |
253 | enum bfa_ioim_event event); | |
254 | static void bfa_ioim_sm_resfree(struct bfa_ioim_s *ioim, | |
255 | enum bfa_ioim_event event); | |
256 | static void bfa_ioim_sm_cmnd_retry(struct bfa_ioim_s *ioim, | |
257 | enum bfa_ioim_event event); | |
5fbe25c7 | 258 | /* |
a36c61f9 KG |
259 | * forward declaration for BFA TSKIM functions |
260 | */ | |
261 | static void __bfa_cb_tskim_done(void *cbarg, bfa_boolean_t complete); | |
262 | static void __bfa_cb_tskim_failed(void *cbarg, bfa_boolean_t complete); | |
263 | static bfa_boolean_t bfa_tskim_match_scope(struct bfa_tskim_s *tskim, | |
f314878a | 264 | struct scsi_lun lun); |
a36c61f9 KG |
265 | static void bfa_tskim_gather_ios(struct bfa_tskim_s *tskim); |
266 | static void bfa_tskim_cleanp_comp(void *tskim_cbarg); | |
267 | static void bfa_tskim_cleanup_ios(struct bfa_tskim_s *tskim); | |
268 | static bfa_boolean_t bfa_tskim_send(struct bfa_tskim_s *tskim); | |
269 | static bfa_boolean_t bfa_tskim_send_abort(struct bfa_tskim_s *tskim); | |
270 | static void bfa_tskim_iocdisable_ios(struct bfa_tskim_s *tskim); | |
271 | ||
5fbe25c7 | 272 | /* |
a36c61f9 KG |
273 | * forward declaration of BFA TSKIM state machine |
274 | */ | |
275 | static void bfa_tskim_sm_uninit(struct bfa_tskim_s *tskim, | |
276 | enum bfa_tskim_event event); | |
277 | static void bfa_tskim_sm_active(struct bfa_tskim_s *tskim, | |
278 | enum bfa_tskim_event event); | |
279 | static void bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim, | |
280 | enum bfa_tskim_event event); | |
281 | static void bfa_tskim_sm_iocleanup(struct bfa_tskim_s *tskim, | |
282 | enum bfa_tskim_event event); | |
283 | static void bfa_tskim_sm_qfull(struct bfa_tskim_s *tskim, | |
284 | enum bfa_tskim_event event); | |
285 | static void bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim, | |
286 | enum bfa_tskim_event event); | |
287 | static void bfa_tskim_sm_hcb(struct bfa_tskim_s *tskim, | |
288 | enum bfa_tskim_event event); | |
5fbe25c7 | 289 | /* |
df0f1933 | 290 | * BFA FCP Initiator Mode module |
7725ccfd JH |
291 | */ |
292 | ||
5fbe25c7 | 293 | /* |
da99dcc9 | 294 | * Compute and return memory needed by FCP(im) module. |
7725ccfd JH |
295 | */ |
296 | static void | |
4507025d | 297 | bfa_fcpim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len) |
7725ccfd | 298 | { |
4507025d | 299 | bfa_itnim_meminfo(cfg, km_len); |
7725ccfd | 300 | |
5fbe25c7 | 301 | /* |
7725ccfd JH |
302 | * IO memory |
303 | */ | |
7725ccfd JH |
304 | *km_len += cfg->fwcfg.num_ioim_reqs * |
305 | (sizeof(struct bfa_ioim_s) + sizeof(struct bfa_ioim_sp_s)); | |
306 | ||
5fbe25c7 | 307 | /* |
7725ccfd JH |
308 | * task management command memory |
309 | */ | |
310 | if (cfg->fwcfg.num_tskim_reqs < BFA_TSKIM_MIN) | |
311 | cfg->fwcfg.num_tskim_reqs = BFA_TSKIM_MIN; | |
312 | *km_len += cfg->fwcfg.num_tskim_reqs * sizeof(struct bfa_tskim_s); | |
313 | } | |
314 | ||
315 | ||
316 | static void | |
e2187d7f | 317 | bfa_fcpim_attach(struct bfa_fcp_mod_s *fcp, void *bfad, |
4507025d | 318 | struct bfa_iocfc_cfg_s *cfg, struct bfa_pcidev_s *pcidev) |
7725ccfd | 319 | { |
e2187d7f KG |
320 | struct bfa_fcpim_s *fcpim = &fcp->fcpim; |
321 | struct bfa_s *bfa = fcp->bfa; | |
7725ccfd JH |
322 | |
323 | bfa_trc(bfa, cfg->drvcfg.path_tov); | |
324 | bfa_trc(bfa, cfg->fwcfg.num_rports); | |
325 | bfa_trc(bfa, cfg->fwcfg.num_ioim_reqs); | |
326 | bfa_trc(bfa, cfg->fwcfg.num_tskim_reqs); | |
327 | ||
e2187d7f | 328 | fcpim->fcp = fcp; |
a36c61f9 KG |
329 | fcpim->bfa = bfa; |
330 | fcpim->num_itnims = cfg->fwcfg.num_rports; | |
7725ccfd | 331 | fcpim->num_tskim_reqs = cfg->fwcfg.num_tskim_reqs; |
a36c61f9 KG |
332 | fcpim->path_tov = cfg->drvcfg.path_tov; |
333 | fcpim->delay_comp = cfg->drvcfg.delay_comp; | |
334 | fcpim->profile_comp = NULL; | |
335 | fcpim->profile_start = NULL; | |
7725ccfd | 336 | |
4507025d KG |
337 | bfa_itnim_attach(fcpim); |
338 | bfa_tskim_attach(fcpim); | |
339 | bfa_ioim_attach(fcpim); | |
7725ccfd JH |
340 | } |
341 | ||
7725ccfd | 342 | static void |
e2187d7f | 343 | bfa_fcpim_iocdisable(struct bfa_fcp_mod_s *fcp) |
7725ccfd | 344 | { |
e2187d7f | 345 | struct bfa_fcpim_s *fcpim = &fcp->fcpim; |
7725ccfd | 346 | struct bfa_itnim_s *itnim; |
a36c61f9 | 347 | struct list_head *qe, *qen; |
7725ccfd | 348 | |
3fd45980 KG |
349 | /* Enqueue unused ioim resources to free_q */ |
350 | list_splice_tail_init(&fcpim->tskim_unused_q, &fcpim->tskim_free_q); | |
351 | ||
7725ccfd JH |
352 | list_for_each_safe(qe, qen, &fcpim->itnim_q) { |
353 | itnim = (struct bfa_itnim_s *) qe; | |
354 | bfa_itnim_iocdisable(itnim); | |
355 | } | |
356 | } | |
357 | ||
358 | void | |
359 | bfa_fcpim_path_tov_set(struct bfa_s *bfa, u16 path_tov) | |
360 | { | |
e2187d7f | 361 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
7725ccfd JH |
362 | |
363 | fcpim->path_tov = path_tov * 1000; | |
364 | if (fcpim->path_tov > BFA_FCPIM_PATHTOV_MAX) | |
365 | fcpim->path_tov = BFA_FCPIM_PATHTOV_MAX; | |
366 | } | |
367 | ||
368 | u16 | |
369 | bfa_fcpim_path_tov_get(struct bfa_s *bfa) | |
370 | { | |
e2187d7f | 371 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
7725ccfd | 372 | |
f8ceafde | 373 | return fcpim->path_tov / 1000; |
7725ccfd JH |
374 | } |
375 | ||
60138066 KG |
376 | #define bfa_fcpim_add_iostats(__l, __r, __stats) \ |
377 | (__l->__stats += __r->__stats) | |
378 | ||
379 | void | |
380 | bfa_fcpim_add_stats(struct bfa_itnim_iostats_s *lstats, | |
381 | struct bfa_itnim_iostats_s *rstats) | |
382 | { | |
383 | bfa_fcpim_add_iostats(lstats, rstats, total_ios); | |
384 | bfa_fcpim_add_iostats(lstats, rstats, qresumes); | |
385 | bfa_fcpim_add_iostats(lstats, rstats, no_iotags); | |
386 | bfa_fcpim_add_iostats(lstats, rstats, io_aborts); | |
387 | bfa_fcpim_add_iostats(lstats, rstats, no_tskims); | |
388 | bfa_fcpim_add_iostats(lstats, rstats, iocomp_ok); | |
389 | bfa_fcpim_add_iostats(lstats, rstats, iocomp_underrun); | |
390 | bfa_fcpim_add_iostats(lstats, rstats, iocomp_overrun); | |
391 | bfa_fcpim_add_iostats(lstats, rstats, iocomp_aborted); | |
392 | bfa_fcpim_add_iostats(lstats, rstats, iocomp_timedout); | |
393 | bfa_fcpim_add_iostats(lstats, rstats, iocom_nexus_abort); | |
394 | bfa_fcpim_add_iostats(lstats, rstats, iocom_proto_err); | |
395 | bfa_fcpim_add_iostats(lstats, rstats, iocom_dif_err); | |
396 | bfa_fcpim_add_iostats(lstats, rstats, iocom_sqer_needed); | |
397 | bfa_fcpim_add_iostats(lstats, rstats, iocom_res_free); | |
398 | bfa_fcpim_add_iostats(lstats, rstats, iocom_hostabrts); | |
399 | bfa_fcpim_add_iostats(lstats, rstats, iocom_utags); | |
400 | bfa_fcpim_add_iostats(lstats, rstats, io_cleanups); | |
401 | bfa_fcpim_add_iostats(lstats, rstats, io_tmaborts); | |
402 | bfa_fcpim_add_iostats(lstats, rstats, onlines); | |
403 | bfa_fcpim_add_iostats(lstats, rstats, offlines); | |
404 | bfa_fcpim_add_iostats(lstats, rstats, creates); | |
405 | bfa_fcpim_add_iostats(lstats, rstats, deletes); | |
406 | bfa_fcpim_add_iostats(lstats, rstats, create_comps); | |
407 | bfa_fcpim_add_iostats(lstats, rstats, delete_comps); | |
408 | bfa_fcpim_add_iostats(lstats, rstats, sler_events); | |
409 | bfa_fcpim_add_iostats(lstats, rstats, fw_create); | |
410 | bfa_fcpim_add_iostats(lstats, rstats, fw_delete); | |
411 | bfa_fcpim_add_iostats(lstats, rstats, ioc_disabled); | |
412 | bfa_fcpim_add_iostats(lstats, rstats, cleanup_comps); | |
413 | bfa_fcpim_add_iostats(lstats, rstats, tm_cmnds); | |
414 | bfa_fcpim_add_iostats(lstats, rstats, tm_fw_rsps); | |
415 | bfa_fcpim_add_iostats(lstats, rstats, tm_success); | |
416 | bfa_fcpim_add_iostats(lstats, rstats, tm_failures); | |
417 | bfa_fcpim_add_iostats(lstats, rstats, tm_io_comps); | |
418 | bfa_fcpim_add_iostats(lstats, rstats, tm_qresumes); | |
419 | bfa_fcpim_add_iostats(lstats, rstats, tm_iocdowns); | |
420 | bfa_fcpim_add_iostats(lstats, rstats, tm_cleanups); | |
421 | bfa_fcpim_add_iostats(lstats, rstats, tm_cleanup_comps); | |
422 | bfa_fcpim_add_iostats(lstats, rstats, io_comps); | |
423 | bfa_fcpim_add_iostats(lstats, rstats, input_reqs); | |
424 | bfa_fcpim_add_iostats(lstats, rstats, output_reqs); | |
425 | bfa_fcpim_add_iostats(lstats, rstats, rd_throughput); | |
426 | bfa_fcpim_add_iostats(lstats, rstats, wr_throughput); | |
427 | } | |
428 | ||
429 | bfa_status_t | |
430 | bfa_fcpim_port_iostats(struct bfa_s *bfa, | |
431 | struct bfa_itnim_iostats_s *stats, u8 lp_tag) | |
432 | { | |
433 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); | |
434 | struct list_head *qe, *qen; | |
435 | struct bfa_itnim_s *itnim; | |
436 | ||
437 | /* accumulate IO stats from itnim */ | |
438 | memset(stats, 0, sizeof(struct bfa_itnim_iostats_s)); | |
439 | list_for_each_safe(qe, qen, &fcpim->itnim_q) { | |
440 | itnim = (struct bfa_itnim_s *) qe; | |
441 | if (itnim->rport->rport_info.lp_tag != lp_tag) | |
442 | continue; | |
443 | bfa_fcpim_add_stats(stats, &(itnim->stats)); | |
444 | } | |
445 | return BFA_STATUS_OK; | |
446 | } | |
447 | ||
42a8e6e2 KG |
448 | void |
449 | bfa_ioim_profile_comp(struct bfa_ioim_s *ioim) | |
450 | { | |
451 | struct bfa_itnim_latency_s *io_lat = | |
452 | &(ioim->itnim->ioprofile.io_latency); | |
453 | u32 val, idx; | |
454 | ||
455 | val = (u32)(jiffies - ioim->start_time); | |
456 | idx = bfa_ioim_get_index(scsi_bufflen((struct scsi_cmnd *)ioim->dio)); | |
457 | bfa_itnim_ioprofile_update(ioim->itnim, idx); | |
458 | ||
459 | io_lat->count[idx]++; | |
460 | io_lat->min[idx] = (io_lat->min[idx] < val) ? io_lat->min[idx] : val; | |
461 | io_lat->max[idx] = (io_lat->max[idx] > val) ? io_lat->max[idx] : val; | |
462 | io_lat->avg[idx] += val; | |
463 | } | |
464 | ||
465 | void | |
466 | bfa_ioim_profile_start(struct bfa_ioim_s *ioim) | |
467 | { | |
468 | ioim->start_time = jiffies; | |
469 | } | |
470 | ||
471 | bfa_status_t | |
472 | bfa_fcpim_profile_on(struct bfa_s *bfa, u32 time) | |
473 | { | |
474 | struct bfa_itnim_s *itnim; | |
475 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); | |
476 | struct list_head *qe, *qen; | |
477 | ||
478 | /* accumulate IO stats from itnim */ | |
479 | list_for_each_safe(qe, qen, &fcpim->itnim_q) { | |
480 | itnim = (struct bfa_itnim_s *) qe; | |
481 | bfa_itnim_clear_stats(itnim); | |
482 | } | |
483 | fcpim->io_profile = BFA_TRUE; | |
484 | fcpim->io_profile_start_time = time; | |
485 | fcpim->profile_comp = bfa_ioim_profile_comp; | |
486 | fcpim->profile_start = bfa_ioim_profile_start; | |
487 | return BFA_STATUS_OK; | |
488 | } | |
489 | ||
490 | bfa_status_t | |
491 | bfa_fcpim_profile_off(struct bfa_s *bfa) | |
492 | { | |
493 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); | |
494 | fcpim->io_profile = BFA_FALSE; | |
495 | fcpim->io_profile_start_time = 0; | |
496 | fcpim->profile_comp = NULL; | |
497 | fcpim->profile_start = NULL; | |
498 | return BFA_STATUS_OK; | |
499 | } | |
500 | ||
7725ccfd JH |
501 | u16 |
502 | bfa_fcpim_qdepth_get(struct bfa_s *bfa) | |
503 | { | |
e2187d7f | 504 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
7725ccfd | 505 | |
f8ceafde | 506 | return fcpim->q_depth; |
7725ccfd JH |
507 | } |
508 | ||
5fbe25c7 | 509 | /* |
a36c61f9 KG |
510 | * BFA ITNIM module state machine functions |
511 | */ | |
512 | ||
5fbe25c7 | 513 | /* |
da99dcc9 | 514 | * Beginning/unallocated state - no events expected. |
a36c61f9 KG |
515 | */ |
516 | static void | |
517 | bfa_itnim_sm_uninit(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
518 | { | |
519 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
520 | bfa_trc(itnim->bfa, event); | |
521 | ||
522 | switch (event) { | |
523 | case BFA_ITNIM_SM_CREATE: | |
524 | bfa_sm_set_state(itnim, bfa_itnim_sm_created); | |
525 | itnim->is_online = BFA_FALSE; | |
526 | bfa_fcpim_additn(itnim); | |
527 | break; | |
528 | ||
529 | default: | |
530 | bfa_sm_fault(itnim->bfa, event); | |
531 | } | |
532 | } | |
533 | ||
5fbe25c7 | 534 | /* |
da99dcc9 | 535 | * Beginning state, only online event expected. |
a36c61f9 KG |
536 | */ |
537 | static void | |
538 | bfa_itnim_sm_created(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
539 | { | |
540 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
541 | bfa_trc(itnim->bfa, event); | |
542 | ||
543 | switch (event) { | |
544 | case BFA_ITNIM_SM_ONLINE: | |
545 | if (bfa_itnim_send_fwcreate(itnim)) | |
546 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); | |
547 | else | |
548 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate_qfull); | |
549 | break; | |
550 | ||
551 | case BFA_ITNIM_SM_DELETE: | |
552 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
553 | bfa_fcpim_delitn(itnim); | |
554 | break; | |
555 | ||
556 | case BFA_ITNIM_SM_HWFAIL: | |
557 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
558 | break; | |
559 | ||
560 | default: | |
561 | bfa_sm_fault(itnim->bfa, event); | |
562 | } | |
563 | } | |
564 | ||
5fbe25c7 | 565 | /* |
a36c61f9 KG |
566 | * Waiting for itnim create response from firmware. |
567 | */ | |
568 | static void | |
569 | bfa_itnim_sm_fwcreate(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
570 | { | |
571 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
572 | bfa_trc(itnim->bfa, event); | |
573 | ||
574 | switch (event) { | |
575 | case BFA_ITNIM_SM_FWRSP: | |
576 | bfa_sm_set_state(itnim, bfa_itnim_sm_online); | |
577 | itnim->is_online = BFA_TRUE; | |
578 | bfa_itnim_iotov_online(itnim); | |
579 | bfa_itnim_online_cb(itnim); | |
580 | break; | |
581 | ||
582 | case BFA_ITNIM_SM_DELETE: | |
583 | bfa_sm_set_state(itnim, bfa_itnim_sm_delete_pending); | |
584 | break; | |
585 | ||
586 | case BFA_ITNIM_SM_OFFLINE: | |
587 | if (bfa_itnim_send_fwdelete(itnim)) | |
588 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete); | |
589 | else | |
590 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete_qfull); | |
591 | break; | |
592 | ||
593 | case BFA_ITNIM_SM_HWFAIL: | |
594 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
595 | break; | |
596 | ||
597 | default: | |
598 | bfa_sm_fault(itnim->bfa, event); | |
599 | } | |
600 | } | |
601 | ||
602 | static void | |
603 | bfa_itnim_sm_fwcreate_qfull(struct bfa_itnim_s *itnim, | |
604 | enum bfa_itnim_event event) | |
605 | { | |
606 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
607 | bfa_trc(itnim->bfa, event); | |
608 | ||
609 | switch (event) { | |
610 | case BFA_ITNIM_SM_QRESUME: | |
611 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); | |
612 | bfa_itnim_send_fwcreate(itnim); | |
613 | break; | |
614 | ||
615 | case BFA_ITNIM_SM_DELETE: | |
616 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
617 | bfa_reqq_wcancel(&itnim->reqq_wait); | |
618 | bfa_fcpim_delitn(itnim); | |
619 | break; | |
620 | ||
621 | case BFA_ITNIM_SM_OFFLINE: | |
622 | bfa_sm_set_state(itnim, bfa_itnim_sm_offline); | |
623 | bfa_reqq_wcancel(&itnim->reqq_wait); | |
624 | bfa_itnim_offline_cb(itnim); | |
625 | break; | |
626 | ||
627 | case BFA_ITNIM_SM_HWFAIL: | |
628 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
629 | bfa_reqq_wcancel(&itnim->reqq_wait); | |
630 | break; | |
631 | ||
632 | default: | |
633 | bfa_sm_fault(itnim->bfa, event); | |
634 | } | |
635 | } | |
636 | ||
5fbe25c7 | 637 | /* |
da99dcc9 | 638 | * Waiting for itnim create response from firmware, a delete is pending. |
a36c61f9 KG |
639 | */ |
640 | static void | |
641 | bfa_itnim_sm_delete_pending(struct bfa_itnim_s *itnim, | |
642 | enum bfa_itnim_event event) | |
643 | { | |
644 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
645 | bfa_trc(itnim->bfa, event); | |
646 | ||
647 | switch (event) { | |
648 | case BFA_ITNIM_SM_FWRSP: | |
649 | if (bfa_itnim_send_fwdelete(itnim)) | |
650 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); | |
651 | else | |
652 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting_qfull); | |
653 | break; | |
654 | ||
655 | case BFA_ITNIM_SM_HWFAIL: | |
656 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
657 | bfa_fcpim_delitn(itnim); | |
658 | break; | |
659 | ||
660 | default: | |
661 | bfa_sm_fault(itnim->bfa, event); | |
662 | } | |
663 | } | |
664 | ||
5fbe25c7 | 665 | /* |
da99dcc9 | 666 | * Online state - normal parking state. |
a36c61f9 KG |
667 | */ |
668 | static void | |
669 | bfa_itnim_sm_online(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
670 | { | |
671 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
672 | bfa_trc(itnim->bfa, event); | |
673 | ||
674 | switch (event) { | |
675 | case BFA_ITNIM_SM_OFFLINE: | |
676 | bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_offline); | |
677 | itnim->is_online = BFA_FALSE; | |
678 | bfa_itnim_iotov_start(itnim); | |
679 | bfa_itnim_cleanup(itnim); | |
680 | break; | |
681 | ||
682 | case BFA_ITNIM_SM_DELETE: | |
683 | bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_delete); | |
684 | itnim->is_online = BFA_FALSE; | |
685 | bfa_itnim_cleanup(itnim); | |
686 | break; | |
687 | ||
688 | case BFA_ITNIM_SM_SLER: | |
689 | bfa_sm_set_state(itnim, bfa_itnim_sm_sler); | |
690 | itnim->is_online = BFA_FALSE; | |
691 | bfa_itnim_iotov_start(itnim); | |
692 | bfa_itnim_sler_cb(itnim); | |
693 | break; | |
694 | ||
695 | case BFA_ITNIM_SM_HWFAIL: | |
696 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
697 | itnim->is_online = BFA_FALSE; | |
698 | bfa_itnim_iotov_start(itnim); | |
699 | bfa_itnim_iocdisable_cleanup(itnim); | |
700 | break; | |
701 | ||
702 | default: | |
703 | bfa_sm_fault(itnim->bfa, event); | |
704 | } | |
705 | } | |
706 | ||
5fbe25c7 | 707 | /* |
da99dcc9 | 708 | * Second level error recovery need. |
a36c61f9 KG |
709 | */ |
710 | static void | |
711 | bfa_itnim_sm_sler(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
712 | { | |
713 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
714 | bfa_trc(itnim->bfa, event); | |
715 | ||
716 | switch (event) { | |
717 | case BFA_ITNIM_SM_OFFLINE: | |
718 | bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_offline); | |
719 | bfa_itnim_cleanup(itnim); | |
720 | break; | |
721 | ||
722 | case BFA_ITNIM_SM_DELETE: | |
723 | bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_delete); | |
724 | bfa_itnim_cleanup(itnim); | |
725 | bfa_itnim_iotov_delete(itnim); | |
726 | break; | |
727 | ||
728 | case BFA_ITNIM_SM_HWFAIL: | |
729 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
730 | bfa_itnim_iocdisable_cleanup(itnim); | |
731 | break; | |
732 | ||
733 | default: | |
734 | bfa_sm_fault(itnim->bfa, event); | |
735 | } | |
736 | } | |
737 | ||
5fbe25c7 | 738 | /* |
da99dcc9 | 739 | * Going offline. Waiting for active IO cleanup. |
a36c61f9 KG |
740 | */ |
741 | static void | |
742 | bfa_itnim_sm_cleanup_offline(struct bfa_itnim_s *itnim, | |
743 | enum bfa_itnim_event event) | |
744 | { | |
745 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
746 | bfa_trc(itnim->bfa, event); | |
747 | ||
748 | switch (event) { | |
749 | case BFA_ITNIM_SM_CLEANUP: | |
750 | if (bfa_itnim_send_fwdelete(itnim)) | |
751 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete); | |
752 | else | |
753 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete_qfull); | |
754 | break; | |
755 | ||
756 | case BFA_ITNIM_SM_DELETE: | |
757 | bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_delete); | |
758 | bfa_itnim_iotov_delete(itnim); | |
759 | break; | |
760 | ||
761 | case BFA_ITNIM_SM_HWFAIL: | |
762 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
763 | bfa_itnim_iocdisable_cleanup(itnim); | |
764 | bfa_itnim_offline_cb(itnim); | |
765 | break; | |
766 | ||
767 | case BFA_ITNIM_SM_SLER: | |
768 | break; | |
769 | ||
770 | default: | |
771 | bfa_sm_fault(itnim->bfa, event); | |
772 | } | |
773 | } | |
774 | ||
5fbe25c7 | 775 | /* |
da99dcc9 | 776 | * Deleting itnim. Waiting for active IO cleanup. |
a36c61f9 KG |
777 | */ |
778 | static void | |
779 | bfa_itnim_sm_cleanup_delete(struct bfa_itnim_s *itnim, | |
780 | enum bfa_itnim_event event) | |
781 | { | |
782 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
783 | bfa_trc(itnim->bfa, event); | |
784 | ||
785 | switch (event) { | |
786 | case BFA_ITNIM_SM_CLEANUP: | |
787 | if (bfa_itnim_send_fwdelete(itnim)) | |
788 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); | |
789 | else | |
790 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting_qfull); | |
791 | break; | |
792 | ||
793 | case BFA_ITNIM_SM_HWFAIL: | |
794 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
795 | bfa_itnim_iocdisable_cleanup(itnim); | |
796 | break; | |
797 | ||
798 | default: | |
799 | bfa_sm_fault(itnim->bfa, event); | |
800 | } | |
801 | } | |
802 | ||
5fbe25c7 | 803 | /* |
a36c61f9 KG |
804 | * Rport offline. Fimrware itnim is being deleted - awaiting f/w response. |
805 | */ | |
806 | static void | |
807 | bfa_itnim_sm_fwdelete(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
808 | { | |
809 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
810 | bfa_trc(itnim->bfa, event); | |
811 | ||
812 | switch (event) { | |
813 | case BFA_ITNIM_SM_FWRSP: | |
814 | bfa_sm_set_state(itnim, bfa_itnim_sm_offline); | |
815 | bfa_itnim_offline_cb(itnim); | |
816 | break; | |
817 | ||
818 | case BFA_ITNIM_SM_DELETE: | |
819 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); | |
820 | break; | |
821 | ||
822 | case BFA_ITNIM_SM_HWFAIL: | |
823 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
824 | bfa_itnim_offline_cb(itnim); | |
825 | break; | |
826 | ||
827 | default: | |
828 | bfa_sm_fault(itnim->bfa, event); | |
829 | } | |
830 | } | |
831 | ||
832 | static void | |
833 | bfa_itnim_sm_fwdelete_qfull(struct bfa_itnim_s *itnim, | |
834 | enum bfa_itnim_event event) | |
835 | { | |
836 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
837 | bfa_trc(itnim->bfa, event); | |
838 | ||
839 | switch (event) { | |
840 | case BFA_ITNIM_SM_QRESUME: | |
841 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete); | |
842 | bfa_itnim_send_fwdelete(itnim); | |
843 | break; | |
844 | ||
845 | case BFA_ITNIM_SM_DELETE: | |
846 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting_qfull); | |
847 | break; | |
848 | ||
849 | case BFA_ITNIM_SM_HWFAIL: | |
850 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
851 | bfa_reqq_wcancel(&itnim->reqq_wait); | |
852 | bfa_itnim_offline_cb(itnim); | |
853 | break; | |
854 | ||
855 | default: | |
856 | bfa_sm_fault(itnim->bfa, event); | |
857 | } | |
858 | } | |
859 | ||
5fbe25c7 | 860 | /* |
da99dcc9 | 861 | * Offline state. |
a36c61f9 KG |
862 | */ |
863 | static void | |
864 | bfa_itnim_sm_offline(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
865 | { | |
866 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
867 | bfa_trc(itnim->bfa, event); | |
868 | ||
869 | switch (event) { | |
870 | case BFA_ITNIM_SM_DELETE: | |
871 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
872 | bfa_itnim_iotov_delete(itnim); | |
873 | bfa_fcpim_delitn(itnim); | |
874 | break; | |
875 | ||
876 | case BFA_ITNIM_SM_ONLINE: | |
877 | if (bfa_itnim_send_fwcreate(itnim)) | |
878 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); | |
879 | else | |
880 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate_qfull); | |
881 | break; | |
882 | ||
883 | case BFA_ITNIM_SM_HWFAIL: | |
884 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
885 | break; | |
886 | ||
887 | default: | |
888 | bfa_sm_fault(itnim->bfa, event); | |
889 | } | |
890 | } | |
891 | ||
a36c61f9 KG |
892 | static void |
893 | bfa_itnim_sm_iocdisable(struct bfa_itnim_s *itnim, | |
894 | enum bfa_itnim_event event) | |
895 | { | |
896 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
897 | bfa_trc(itnim->bfa, event); | |
898 | ||
899 | switch (event) { | |
900 | case BFA_ITNIM_SM_DELETE: | |
901 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
902 | bfa_itnim_iotov_delete(itnim); | |
903 | bfa_fcpim_delitn(itnim); | |
904 | break; | |
905 | ||
906 | case BFA_ITNIM_SM_OFFLINE: | |
907 | bfa_itnim_offline_cb(itnim); | |
908 | break; | |
909 | ||
910 | case BFA_ITNIM_SM_ONLINE: | |
911 | if (bfa_itnim_send_fwcreate(itnim)) | |
912 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); | |
913 | else | |
914 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate_qfull); | |
915 | break; | |
916 | ||
917 | case BFA_ITNIM_SM_HWFAIL: | |
918 | break; | |
919 | ||
920 | default: | |
921 | bfa_sm_fault(itnim->bfa, event); | |
922 | } | |
923 | } | |
924 | ||
5fbe25c7 | 925 | /* |
da99dcc9 | 926 | * Itnim is deleted, waiting for firmware response to delete. |
a36c61f9 KG |
927 | */ |
928 | static void | |
929 | bfa_itnim_sm_deleting(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
930 | { | |
931 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
932 | bfa_trc(itnim->bfa, event); | |
933 | ||
934 | switch (event) { | |
935 | case BFA_ITNIM_SM_FWRSP: | |
936 | case BFA_ITNIM_SM_HWFAIL: | |
937 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
938 | bfa_fcpim_delitn(itnim); | |
939 | break; | |
940 | ||
941 | default: | |
942 | bfa_sm_fault(itnim->bfa, event); | |
943 | } | |
944 | } | |
945 | ||
946 | static void | |
947 | bfa_itnim_sm_deleting_qfull(struct bfa_itnim_s *itnim, | |
948 | enum bfa_itnim_event event) | |
949 | { | |
950 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
951 | bfa_trc(itnim->bfa, event); | |
952 | ||
953 | switch (event) { | |
954 | case BFA_ITNIM_SM_QRESUME: | |
955 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); | |
956 | bfa_itnim_send_fwdelete(itnim); | |
957 | break; | |
958 | ||
959 | case BFA_ITNIM_SM_HWFAIL: | |
960 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
961 | bfa_reqq_wcancel(&itnim->reqq_wait); | |
962 | bfa_fcpim_delitn(itnim); | |
963 | break; | |
964 | ||
965 | default: | |
966 | bfa_sm_fault(itnim->bfa, event); | |
967 | } | |
968 | } | |
969 | ||
5fbe25c7 | 970 | /* |
da99dcc9 | 971 | * Initiate cleanup of all IOs on an IOC failure. |
a36c61f9 KG |
972 | */ |
973 | static void | |
974 | bfa_itnim_iocdisable_cleanup(struct bfa_itnim_s *itnim) | |
975 | { | |
976 | struct bfa_tskim_s *tskim; | |
977 | struct bfa_ioim_s *ioim; | |
978 | struct list_head *qe, *qen; | |
979 | ||
980 | list_for_each_safe(qe, qen, &itnim->tsk_q) { | |
981 | tskim = (struct bfa_tskim_s *) qe; | |
982 | bfa_tskim_iocdisable(tskim); | |
983 | } | |
984 | ||
985 | list_for_each_safe(qe, qen, &itnim->io_q) { | |
986 | ioim = (struct bfa_ioim_s *) qe; | |
987 | bfa_ioim_iocdisable(ioim); | |
988 | } | |
989 | ||
5fbe25c7 | 990 | /* |
a36c61f9 KG |
991 | * For IO request in pending queue, we pretend an early timeout. |
992 | */ | |
993 | list_for_each_safe(qe, qen, &itnim->pending_q) { | |
994 | ioim = (struct bfa_ioim_s *) qe; | |
995 | bfa_ioim_tov(ioim); | |
996 | } | |
997 | ||
998 | list_for_each_safe(qe, qen, &itnim->io_cleanup_q) { | |
999 | ioim = (struct bfa_ioim_s *) qe; | |
1000 | bfa_ioim_iocdisable(ioim); | |
1001 | } | |
1002 | } | |
1003 | ||
5fbe25c7 | 1004 | /* |
da99dcc9 | 1005 | * IO cleanup completion |
a36c61f9 KG |
1006 | */ |
1007 | static void | |
1008 | bfa_itnim_cleanp_comp(void *itnim_cbarg) | |
1009 | { | |
1010 | struct bfa_itnim_s *itnim = itnim_cbarg; | |
1011 | ||
1012 | bfa_stats(itnim, cleanup_comps); | |
1013 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_CLEANUP); | |
1014 | } | |
1015 | ||
5fbe25c7 | 1016 | /* |
da99dcc9 | 1017 | * Initiate cleanup of all IOs. |
a36c61f9 KG |
1018 | */ |
1019 | static void | |
1020 | bfa_itnim_cleanup(struct bfa_itnim_s *itnim) | |
1021 | { | |
1022 | struct bfa_ioim_s *ioim; | |
1023 | struct bfa_tskim_s *tskim; | |
1024 | struct list_head *qe, *qen; | |
1025 | ||
1026 | bfa_wc_init(&itnim->wc, bfa_itnim_cleanp_comp, itnim); | |
1027 | ||
1028 | list_for_each_safe(qe, qen, &itnim->io_q) { | |
1029 | ioim = (struct bfa_ioim_s *) qe; | |
1030 | ||
5fbe25c7 | 1031 | /* |
a36c61f9 KG |
1032 | * Move IO to a cleanup queue from active queue so that a later |
1033 | * TM will not pickup this IO. | |
1034 | */ | |
1035 | list_del(&ioim->qe); | |
1036 | list_add_tail(&ioim->qe, &itnim->io_cleanup_q); | |
1037 | ||
1038 | bfa_wc_up(&itnim->wc); | |
1039 | bfa_ioim_cleanup(ioim); | |
1040 | } | |
1041 | ||
1042 | list_for_each_safe(qe, qen, &itnim->tsk_q) { | |
1043 | tskim = (struct bfa_tskim_s *) qe; | |
1044 | bfa_wc_up(&itnim->wc); | |
1045 | bfa_tskim_cleanup(tskim); | |
1046 | } | |
1047 | ||
1048 | bfa_wc_wait(&itnim->wc); | |
1049 | } | |
1050 | ||
1051 | static void | |
1052 | __bfa_cb_itnim_online(void *cbarg, bfa_boolean_t complete) | |
1053 | { | |
1054 | struct bfa_itnim_s *itnim = cbarg; | |
1055 | ||
1056 | if (complete) | |
1057 | bfa_cb_itnim_online(itnim->ditn); | |
1058 | } | |
1059 | ||
1060 | static void | |
1061 | __bfa_cb_itnim_offline(void *cbarg, bfa_boolean_t complete) | |
1062 | { | |
1063 | struct bfa_itnim_s *itnim = cbarg; | |
1064 | ||
1065 | if (complete) | |
1066 | bfa_cb_itnim_offline(itnim->ditn); | |
1067 | } | |
1068 | ||
1069 | static void | |
1070 | __bfa_cb_itnim_sler(void *cbarg, bfa_boolean_t complete) | |
1071 | { | |
1072 | struct bfa_itnim_s *itnim = cbarg; | |
1073 | ||
1074 | if (complete) | |
1075 | bfa_cb_itnim_sler(itnim->ditn); | |
1076 | } | |
1077 | ||
5fbe25c7 | 1078 | /* |
a36c61f9 KG |
1079 | * Call to resume any I/O requests waiting for room in request queue. |
1080 | */ | |
1081 | static void | |
1082 | bfa_itnim_qresume(void *cbarg) | |
1083 | { | |
1084 | struct bfa_itnim_s *itnim = cbarg; | |
1085 | ||
1086 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_QRESUME); | |
1087 | } | |
1088 | ||
5fbe25c7 | 1089 | /* |
a36c61f9 KG |
1090 | * bfa_itnim_public |
1091 | */ | |
1092 | ||
1093 | void | |
1094 | bfa_itnim_iodone(struct bfa_itnim_s *itnim) | |
1095 | { | |
1096 | bfa_wc_down(&itnim->wc); | |
1097 | } | |
1098 | ||
1099 | void | |
1100 | bfa_itnim_tskdone(struct bfa_itnim_s *itnim) | |
1101 | { | |
1102 | bfa_wc_down(&itnim->wc); | |
1103 | } | |
1104 | ||
1105 | void | |
4507025d | 1106 | bfa_itnim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len) |
a36c61f9 | 1107 | { |
5fbe25c7 | 1108 | /* |
a36c61f9 KG |
1109 | * ITN memory |
1110 | */ | |
1111 | *km_len += cfg->fwcfg.num_rports * sizeof(struct bfa_itnim_s); | |
1112 | } | |
1113 | ||
1114 | void | |
4507025d | 1115 | bfa_itnim_attach(struct bfa_fcpim_s *fcpim) |
a36c61f9 KG |
1116 | { |
1117 | struct bfa_s *bfa = fcpim->bfa; | |
4507025d | 1118 | struct bfa_fcp_mod_s *fcp = fcpim->fcp; |
a36c61f9 KG |
1119 | struct bfa_itnim_s *itnim; |
1120 | int i, j; | |
1121 | ||
1122 | INIT_LIST_HEAD(&fcpim->itnim_q); | |
1123 | ||
4507025d | 1124 | itnim = (struct bfa_itnim_s *) bfa_mem_kva_curp(fcp); |
a36c61f9 KG |
1125 | fcpim->itnim_arr = itnim; |
1126 | ||
1127 | for (i = 0; i < fcpim->num_itnims; i++, itnim++) { | |
6a18b167 | 1128 | memset(itnim, 0, sizeof(struct bfa_itnim_s)); |
a36c61f9 KG |
1129 | itnim->bfa = bfa; |
1130 | itnim->fcpim = fcpim; | |
1131 | itnim->reqq = BFA_REQQ_QOS_LO; | |
1132 | itnim->rport = BFA_RPORT_FROM_TAG(bfa, i); | |
1133 | itnim->iotov_active = BFA_FALSE; | |
1134 | bfa_reqq_winit(&itnim->reqq_wait, bfa_itnim_qresume, itnim); | |
1135 | ||
1136 | INIT_LIST_HEAD(&itnim->io_q); | |
1137 | INIT_LIST_HEAD(&itnim->io_cleanup_q); | |
1138 | INIT_LIST_HEAD(&itnim->pending_q); | |
1139 | INIT_LIST_HEAD(&itnim->tsk_q); | |
1140 | INIT_LIST_HEAD(&itnim->delay_comp_q); | |
1141 | for (j = 0; j < BFA_IOBUCKET_MAX; j++) | |
1142 | itnim->ioprofile.io_latency.min[j] = ~0; | |
1143 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
1144 | } | |
1145 | ||
4507025d | 1146 | bfa_mem_kva_curp(fcp) = (u8 *) itnim; |
a36c61f9 KG |
1147 | } |
1148 | ||
1149 | void | |
1150 | bfa_itnim_iocdisable(struct bfa_itnim_s *itnim) | |
1151 | { | |
1152 | bfa_stats(itnim, ioc_disabled); | |
1153 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_HWFAIL); | |
1154 | } | |
1155 | ||
1156 | static bfa_boolean_t | |
1157 | bfa_itnim_send_fwcreate(struct bfa_itnim_s *itnim) | |
1158 | { | |
dd5aaf45 | 1159 | struct bfi_itn_create_req_s *m; |
a36c61f9 KG |
1160 | |
1161 | itnim->msg_no++; | |
1162 | ||
5fbe25c7 | 1163 | /* |
a36c61f9 KG |
1164 | * check for room in queue to send request now |
1165 | */ | |
1166 | m = bfa_reqq_next(itnim->bfa, itnim->reqq); | |
1167 | if (!m) { | |
1168 | bfa_reqq_wait(itnim->bfa, itnim->reqq, &itnim->reqq_wait); | |
1169 | return BFA_FALSE; | |
1170 | } | |
1171 | ||
dd5aaf45 | 1172 | bfi_h2i_set(m->mh, BFI_MC_ITN, BFI_ITN_H2I_CREATE_REQ, |
3fd45980 | 1173 | bfa_fn_lpu(itnim->bfa)); |
a36c61f9 KG |
1174 | m->fw_handle = itnim->rport->fw_handle; |
1175 | m->class = FC_CLASS_3; | |
1176 | m->seq_rec = itnim->seq_rec; | |
1177 | m->msg_no = itnim->msg_no; | |
1178 | bfa_stats(itnim, fw_create); | |
1179 | ||
5fbe25c7 | 1180 | /* |
a36c61f9 KG |
1181 | * queue I/O message to firmware |
1182 | */ | |
3fd45980 | 1183 | bfa_reqq_produce(itnim->bfa, itnim->reqq, m->mh); |
a36c61f9 KG |
1184 | return BFA_TRUE; |
1185 | } | |
1186 | ||
1187 | static bfa_boolean_t | |
1188 | bfa_itnim_send_fwdelete(struct bfa_itnim_s *itnim) | |
1189 | { | |
dd5aaf45 | 1190 | struct bfi_itn_delete_req_s *m; |
a36c61f9 | 1191 | |
5fbe25c7 | 1192 | /* |
a36c61f9 KG |
1193 | * check for room in queue to send request now |
1194 | */ | |
1195 | m = bfa_reqq_next(itnim->bfa, itnim->reqq); | |
1196 | if (!m) { | |
1197 | bfa_reqq_wait(itnim->bfa, itnim->reqq, &itnim->reqq_wait); | |
1198 | return BFA_FALSE; | |
1199 | } | |
1200 | ||
dd5aaf45 | 1201 | bfi_h2i_set(m->mh, BFI_MC_ITN, BFI_ITN_H2I_DELETE_REQ, |
3fd45980 | 1202 | bfa_fn_lpu(itnim->bfa)); |
a36c61f9 KG |
1203 | m->fw_handle = itnim->rport->fw_handle; |
1204 | bfa_stats(itnim, fw_delete); | |
1205 | ||
5fbe25c7 | 1206 | /* |
a36c61f9 KG |
1207 | * queue I/O message to firmware |
1208 | */ | |
3fd45980 | 1209 | bfa_reqq_produce(itnim->bfa, itnim->reqq, m->mh); |
a36c61f9 KG |
1210 | return BFA_TRUE; |
1211 | } | |
1212 | ||
5fbe25c7 | 1213 | /* |
a36c61f9 KG |
1214 | * Cleanup all pending failed inflight requests. |
1215 | */ | |
1216 | static void | |
1217 | bfa_itnim_delayed_comp(struct bfa_itnim_s *itnim, bfa_boolean_t iotov) | |
1218 | { | |
1219 | struct bfa_ioim_s *ioim; | |
1220 | struct list_head *qe, *qen; | |
1221 | ||
1222 | list_for_each_safe(qe, qen, &itnim->delay_comp_q) { | |
1223 | ioim = (struct bfa_ioim_s *)qe; | |
1224 | bfa_ioim_delayed_comp(ioim, iotov); | |
1225 | } | |
1226 | } | |
1227 | ||
5fbe25c7 | 1228 | /* |
a36c61f9 KG |
1229 | * Start all pending IO requests. |
1230 | */ | |
1231 | static void | |
1232 | bfa_itnim_iotov_online(struct bfa_itnim_s *itnim) | |
1233 | { | |
1234 | struct bfa_ioim_s *ioim; | |
1235 | ||
1236 | bfa_itnim_iotov_stop(itnim); | |
1237 | ||
5fbe25c7 | 1238 | /* |
a36c61f9 KG |
1239 | * Abort all inflight IO requests in the queue |
1240 | */ | |
1241 | bfa_itnim_delayed_comp(itnim, BFA_FALSE); | |
1242 | ||
5fbe25c7 | 1243 | /* |
a36c61f9 KG |
1244 | * Start all pending IO requests. |
1245 | */ | |
1246 | while (!list_empty(&itnim->pending_q)) { | |
1247 | bfa_q_deq(&itnim->pending_q, &ioim); | |
1248 | list_add_tail(&ioim->qe, &itnim->io_q); | |
1249 | bfa_ioim_start(ioim); | |
1250 | } | |
1251 | } | |
1252 | ||
5fbe25c7 | 1253 | /* |
a36c61f9 KG |
1254 | * Fail all pending IO requests |
1255 | */ | |
1256 | static void | |
1257 | bfa_itnim_iotov_cleanup(struct bfa_itnim_s *itnim) | |
1258 | { | |
1259 | struct bfa_ioim_s *ioim; | |
1260 | ||
5fbe25c7 | 1261 | /* |
a36c61f9 KG |
1262 | * Fail all inflight IO requests in the queue |
1263 | */ | |
1264 | bfa_itnim_delayed_comp(itnim, BFA_TRUE); | |
1265 | ||
5fbe25c7 | 1266 | /* |
a36c61f9 KG |
1267 | * Fail any pending IO requests. |
1268 | */ | |
1269 | while (!list_empty(&itnim->pending_q)) { | |
1270 | bfa_q_deq(&itnim->pending_q, &ioim); | |
1271 | list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); | |
1272 | bfa_ioim_tov(ioim); | |
1273 | } | |
1274 | } | |
1275 | ||
5fbe25c7 | 1276 | /* |
a36c61f9 KG |
1277 | * IO TOV timer callback. Fail any pending IO requests. |
1278 | */ | |
1279 | static void | |
1280 | bfa_itnim_iotov(void *itnim_arg) | |
1281 | { | |
1282 | struct bfa_itnim_s *itnim = itnim_arg; | |
1283 | ||
1284 | itnim->iotov_active = BFA_FALSE; | |
1285 | ||
1286 | bfa_cb_itnim_tov_begin(itnim->ditn); | |
1287 | bfa_itnim_iotov_cleanup(itnim); | |
1288 | bfa_cb_itnim_tov(itnim->ditn); | |
1289 | } | |
1290 | ||
5fbe25c7 | 1291 | /* |
a36c61f9 KG |
1292 | * Start IO TOV timer for failing back pending IO requests in offline state. |
1293 | */ | |
1294 | static void | |
1295 | bfa_itnim_iotov_start(struct bfa_itnim_s *itnim) | |
1296 | { | |
1297 | if (itnim->fcpim->path_tov > 0) { | |
1298 | ||
1299 | itnim->iotov_active = BFA_TRUE; | |
d4b671c5 | 1300 | WARN_ON(!bfa_itnim_hold_io(itnim)); |
a36c61f9 KG |
1301 | bfa_timer_start(itnim->bfa, &itnim->timer, |
1302 | bfa_itnim_iotov, itnim, itnim->fcpim->path_tov); | |
1303 | } | |
1304 | } | |
1305 | ||
5fbe25c7 | 1306 | /* |
a36c61f9 KG |
1307 | * Stop IO TOV timer. |
1308 | */ | |
1309 | static void | |
1310 | bfa_itnim_iotov_stop(struct bfa_itnim_s *itnim) | |
1311 | { | |
1312 | if (itnim->iotov_active) { | |
1313 | itnim->iotov_active = BFA_FALSE; | |
1314 | bfa_timer_stop(&itnim->timer); | |
1315 | } | |
1316 | } | |
1317 | ||
5fbe25c7 | 1318 | /* |
a36c61f9 KG |
1319 | * Stop IO TOV timer. |
1320 | */ | |
1321 | static void | |
1322 | bfa_itnim_iotov_delete(struct bfa_itnim_s *itnim) | |
1323 | { | |
1324 | bfa_boolean_t pathtov_active = BFA_FALSE; | |
1325 | ||
1326 | if (itnim->iotov_active) | |
1327 | pathtov_active = BFA_TRUE; | |
1328 | ||
1329 | bfa_itnim_iotov_stop(itnim); | |
1330 | if (pathtov_active) | |
1331 | bfa_cb_itnim_tov_begin(itnim->ditn); | |
1332 | bfa_itnim_iotov_cleanup(itnim); | |
1333 | if (pathtov_active) | |
1334 | bfa_cb_itnim_tov(itnim->ditn); | |
1335 | } | |
1336 | ||
1337 | static void | |
1338 | bfa_itnim_update_del_itn_stats(struct bfa_itnim_s *itnim) | |
1339 | { | |
e2187d7f | 1340 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(itnim->bfa); |
a36c61f9 KG |
1341 | fcpim->del_itn_stats.del_itn_iocomp_aborted += |
1342 | itnim->stats.iocomp_aborted; | |
1343 | fcpim->del_itn_stats.del_itn_iocomp_timedout += | |
1344 | itnim->stats.iocomp_timedout; | |
1345 | fcpim->del_itn_stats.del_itn_iocom_sqer_needed += | |
1346 | itnim->stats.iocom_sqer_needed; | |
1347 | fcpim->del_itn_stats.del_itn_iocom_res_free += | |
1348 | itnim->stats.iocom_res_free; | |
1349 | fcpim->del_itn_stats.del_itn_iocom_hostabrts += | |
1350 | itnim->stats.iocom_hostabrts; | |
1351 | fcpim->del_itn_stats.del_itn_total_ios += itnim->stats.total_ios; | |
1352 | fcpim->del_itn_stats.del_io_iocdowns += itnim->stats.io_iocdowns; | |
1353 | fcpim->del_itn_stats.del_tm_iocdowns += itnim->stats.tm_iocdowns; | |
1354 | } | |
1355 | ||
5fbe25c7 | 1356 | /* |
da99dcc9 | 1357 | * bfa_itnim_public |
a36c61f9 KG |
1358 | */ |
1359 | ||
5fbe25c7 | 1360 | /* |
da99dcc9 | 1361 | * Itnim interrupt processing. |
a36c61f9 KG |
1362 | */ |
1363 | void | |
1364 | bfa_itnim_isr(struct bfa_s *bfa, struct bfi_msg_s *m) | |
1365 | { | |
e2187d7f | 1366 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
dd5aaf45 | 1367 | union bfi_itn_i2h_msg_u msg; |
a36c61f9 KG |
1368 | struct bfa_itnim_s *itnim; |
1369 | ||
1370 | bfa_trc(bfa, m->mhdr.msg_id); | |
1371 | ||
1372 | msg.msg = m; | |
1373 | ||
1374 | switch (m->mhdr.msg_id) { | |
dd5aaf45 | 1375 | case BFI_ITN_I2H_CREATE_RSP: |
a36c61f9 KG |
1376 | itnim = BFA_ITNIM_FROM_TAG(fcpim, |
1377 | msg.create_rsp->bfa_handle); | |
d4b671c5 | 1378 | WARN_ON(msg.create_rsp->status != BFA_STATUS_OK); |
a36c61f9 KG |
1379 | bfa_stats(itnim, create_comps); |
1380 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_FWRSP); | |
1381 | break; | |
1382 | ||
dd5aaf45 | 1383 | case BFI_ITN_I2H_DELETE_RSP: |
a36c61f9 KG |
1384 | itnim = BFA_ITNIM_FROM_TAG(fcpim, |
1385 | msg.delete_rsp->bfa_handle); | |
d4b671c5 | 1386 | WARN_ON(msg.delete_rsp->status != BFA_STATUS_OK); |
a36c61f9 KG |
1387 | bfa_stats(itnim, delete_comps); |
1388 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_FWRSP); | |
1389 | break; | |
1390 | ||
dd5aaf45 | 1391 | case BFI_ITN_I2H_SLER_EVENT: |
a36c61f9 KG |
1392 | itnim = BFA_ITNIM_FROM_TAG(fcpim, |
1393 | msg.sler_event->bfa_handle); | |
1394 | bfa_stats(itnim, sler_events); | |
1395 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_SLER); | |
1396 | break; | |
1397 | ||
1398 | default: | |
1399 | bfa_trc(bfa, m->mhdr.msg_id); | |
d4b671c5 | 1400 | WARN_ON(1); |
a36c61f9 KG |
1401 | } |
1402 | } | |
1403 | ||
5fbe25c7 | 1404 | /* |
da99dcc9 | 1405 | * bfa_itnim_api |
a36c61f9 KG |
1406 | */ |
1407 | ||
1408 | struct bfa_itnim_s * | |
1409 | bfa_itnim_create(struct bfa_s *bfa, struct bfa_rport_s *rport, void *ditn) | |
1410 | { | |
e2187d7f | 1411 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
a36c61f9 KG |
1412 | struct bfa_itnim_s *itnim; |
1413 | ||
e2187d7f KG |
1414 | bfa_itn_create(bfa, rport, bfa_itnim_isr); |
1415 | ||
a36c61f9 | 1416 | itnim = BFA_ITNIM_FROM_TAG(fcpim, rport->rport_tag); |
d4b671c5 | 1417 | WARN_ON(itnim->rport != rport); |
a36c61f9 KG |
1418 | |
1419 | itnim->ditn = ditn; | |
1420 | ||
1421 | bfa_stats(itnim, creates); | |
1422 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_CREATE); | |
1423 | ||
1424 | return itnim; | |
1425 | } | |
1426 | ||
1427 | void | |
1428 | bfa_itnim_delete(struct bfa_itnim_s *itnim) | |
1429 | { | |
1430 | bfa_stats(itnim, deletes); | |
1431 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_DELETE); | |
1432 | } | |
1433 | ||
1434 | void | |
1435 | bfa_itnim_online(struct bfa_itnim_s *itnim, bfa_boolean_t seq_rec) | |
1436 | { | |
1437 | itnim->seq_rec = seq_rec; | |
1438 | bfa_stats(itnim, onlines); | |
1439 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_ONLINE); | |
1440 | } | |
1441 | ||
1442 | void | |
1443 | bfa_itnim_offline(struct bfa_itnim_s *itnim) | |
1444 | { | |
1445 | bfa_stats(itnim, offlines); | |
1446 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_OFFLINE); | |
1447 | } | |
1448 | ||
5fbe25c7 | 1449 | /* |
a36c61f9 KG |
1450 | * Return true if itnim is considered offline for holding off IO request. |
1451 | * IO is not held if itnim is being deleted. | |
1452 | */ | |
1453 | bfa_boolean_t | |
1454 | bfa_itnim_hold_io(struct bfa_itnim_s *itnim) | |
1455 | { | |
1456 | return itnim->fcpim->path_tov && itnim->iotov_active && | |
1457 | (bfa_sm_cmp_state(itnim, bfa_itnim_sm_fwcreate) || | |
1458 | bfa_sm_cmp_state(itnim, bfa_itnim_sm_sler) || | |
1459 | bfa_sm_cmp_state(itnim, bfa_itnim_sm_cleanup_offline) || | |
1460 | bfa_sm_cmp_state(itnim, bfa_itnim_sm_fwdelete) || | |
1461 | bfa_sm_cmp_state(itnim, bfa_itnim_sm_offline) || | |
1462 | bfa_sm_cmp_state(itnim, bfa_itnim_sm_iocdisable)); | |
1463 | } | |
1464 | ||
42a8e6e2 KG |
1465 | #define bfa_io_lat_clock_res_div HZ |
1466 | #define bfa_io_lat_clock_res_mul 1000 | |
1467 | bfa_status_t | |
1468 | bfa_itnim_get_ioprofile(struct bfa_itnim_s *itnim, | |
1469 | struct bfa_itnim_ioprofile_s *ioprofile) | |
1470 | { | |
61ba4394 KG |
1471 | struct bfa_fcpim_s *fcpim; |
1472 | ||
1473 | if (!itnim) | |
1474 | return BFA_STATUS_NO_FCPIM_NEXUS; | |
1475 | ||
1476 | fcpim = BFA_FCPIM(itnim->bfa); | |
1477 | ||
42a8e6e2 KG |
1478 | if (!fcpim->io_profile) |
1479 | return BFA_STATUS_IOPROFILE_OFF; | |
1480 | ||
1481 | itnim->ioprofile.index = BFA_IOBUCKET_MAX; | |
1482 | itnim->ioprofile.io_profile_start_time = | |
1483 | bfa_io_profile_start_time(itnim->bfa); | |
1484 | itnim->ioprofile.clock_res_mul = bfa_io_lat_clock_res_mul; | |
1485 | itnim->ioprofile.clock_res_div = bfa_io_lat_clock_res_div; | |
1486 | *ioprofile = itnim->ioprofile; | |
1487 | ||
1488 | return BFA_STATUS_OK; | |
1489 | } | |
1490 | ||
a36c61f9 KG |
1491 | void |
1492 | bfa_itnim_clear_stats(struct bfa_itnim_s *itnim) | |
1493 | { | |
1494 | int j; | |
61ba4394 KG |
1495 | |
1496 | if (!itnim) | |
1497 | return; | |
1498 | ||
6a18b167 JH |
1499 | memset(&itnim->stats, 0, sizeof(itnim->stats)); |
1500 | memset(&itnim->ioprofile, 0, sizeof(itnim->ioprofile)); | |
a36c61f9 KG |
1501 | for (j = 0; j < BFA_IOBUCKET_MAX; j++) |
1502 | itnim->ioprofile.io_latency.min[j] = ~0; | |
1503 | } | |
1504 | ||
5fbe25c7 | 1505 | /* |
a36c61f9 KG |
1506 | * BFA IO module state machine functions |
1507 | */ | |
1508 | ||
5fbe25c7 | 1509 | /* |
da99dcc9 | 1510 | * IO is not started (unallocated). |
a36c61f9 KG |
1511 | */ |
1512 | static void | |
1513 | bfa_ioim_sm_uninit(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1514 | { | |
a36c61f9 KG |
1515 | switch (event) { |
1516 | case BFA_IOIM_SM_START: | |
1517 | if (!bfa_itnim_is_online(ioim->itnim)) { | |
1518 | if (!bfa_itnim_hold_io(ioim->itnim)) { | |
1519 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1520 | list_del(&ioim->qe); | |
1521 | list_add_tail(&ioim->qe, | |
1522 | &ioim->fcpim->ioim_comp_q); | |
1523 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, | |
1524 | __bfa_cb_ioim_pathtov, ioim); | |
1525 | } else { | |
1526 | list_del(&ioim->qe); | |
1527 | list_add_tail(&ioim->qe, | |
1528 | &ioim->itnim->pending_q); | |
1529 | } | |
1530 | break; | |
1531 | } | |
1532 | ||
1533 | if (ioim->nsges > BFI_SGE_INLINE) { | |
e3e7d3ee | 1534 | if (!bfa_ioim_sgpg_alloc(ioim)) { |
a36c61f9 KG |
1535 | bfa_sm_set_state(ioim, bfa_ioim_sm_sgalloc); |
1536 | return; | |
1537 | } | |
1538 | } | |
1539 | ||
1540 | if (!bfa_ioim_send_ioreq(ioim)) { | |
1541 | bfa_sm_set_state(ioim, bfa_ioim_sm_qfull); | |
1542 | break; | |
1543 | } | |
1544 | ||
1545 | bfa_sm_set_state(ioim, bfa_ioim_sm_active); | |
1546 | break; | |
1547 | ||
1548 | case BFA_IOIM_SM_IOTOV: | |
1549 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1550 | bfa_ioim_move_to_comp_q(ioim); | |
1551 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, | |
1552 | __bfa_cb_ioim_pathtov, ioim); | |
1553 | break; | |
1554 | ||
1555 | case BFA_IOIM_SM_ABORT: | |
5fbe25c7 | 1556 | /* |
a36c61f9 KG |
1557 | * IO in pending queue can get abort requests. Complete abort |
1558 | * requests immediately. | |
1559 | */ | |
1560 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
d4b671c5 | 1561 | WARN_ON(!bfa_q_is_on_q(&ioim->itnim->pending_q, ioim)); |
a36c61f9 | 1562 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, |
83763d59 KG |
1563 | __bfa_cb_ioim_abort, ioim); |
1564 | break; | |
1565 | ||
a36c61f9 KG |
1566 | default: |
1567 | bfa_sm_fault(ioim->bfa, event); | |
1568 | } | |
1569 | } | |
1570 | ||
5fbe25c7 | 1571 | /* |
da99dcc9 | 1572 | * IO is waiting for SG pages. |
a36c61f9 KG |
1573 | */ |
1574 | static void | |
1575 | bfa_ioim_sm_sgalloc(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1576 | { | |
1577 | bfa_trc(ioim->bfa, ioim->iotag); | |
1578 | bfa_trc(ioim->bfa, event); | |
1579 | ||
1580 | switch (event) { | |
1581 | case BFA_IOIM_SM_SGALLOCED: | |
1582 | if (!bfa_ioim_send_ioreq(ioim)) { | |
1583 | bfa_sm_set_state(ioim, bfa_ioim_sm_qfull); | |
1584 | break; | |
1585 | } | |
1586 | bfa_sm_set_state(ioim, bfa_ioim_sm_active); | |
1587 | break; | |
1588 | ||
1589 | case BFA_IOIM_SM_CLEANUP: | |
1590 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1591 | bfa_sgpg_wcancel(ioim->bfa, &ioim->iosp->sgpg_wqe); | |
1592 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1593 | ioim); | |
1594 | bfa_ioim_notify_cleanup(ioim); | |
1595 | break; | |
1596 | ||
1597 | case BFA_IOIM_SM_ABORT: | |
1598 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1599 | bfa_sgpg_wcancel(ioim->bfa, &ioim->iosp->sgpg_wqe); | |
1600 | bfa_ioim_move_to_comp_q(ioim); | |
1601 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1602 | ioim); | |
1603 | break; | |
1604 | ||
1605 | case BFA_IOIM_SM_HWFAIL: | |
1606 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1607 | bfa_sgpg_wcancel(ioim->bfa, &ioim->iosp->sgpg_wqe); | |
1608 | bfa_ioim_move_to_comp_q(ioim); | |
1609 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1610 | ioim); | |
1611 | break; | |
1612 | ||
1613 | default: | |
1614 | bfa_sm_fault(ioim->bfa, event); | |
1615 | } | |
1616 | } | |
1617 | ||
5fbe25c7 | 1618 | /* |
da99dcc9 | 1619 | * IO is active. |
a36c61f9 KG |
1620 | */ |
1621 | static void | |
1622 | bfa_ioim_sm_active(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1623 | { | |
a36c61f9 KG |
1624 | switch (event) { |
1625 | case BFA_IOIM_SM_COMP_GOOD: | |
1626 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1627 | bfa_ioim_move_to_comp_q(ioim); | |
1628 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, | |
1629 | __bfa_cb_ioim_good_comp, ioim); | |
1630 | break; | |
1631 | ||
1632 | case BFA_IOIM_SM_COMP: | |
1633 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1634 | bfa_ioim_move_to_comp_q(ioim); | |
1635 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_comp, | |
1636 | ioim); | |
1637 | break; | |
1638 | ||
1639 | case BFA_IOIM_SM_DONE: | |
1640 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
1641 | bfa_ioim_move_to_comp_q(ioim); | |
1642 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_comp, | |
1643 | ioim); | |
1644 | break; | |
1645 | ||
1646 | case BFA_IOIM_SM_ABORT: | |
1647 | ioim->iosp->abort_explicit = BFA_TRUE; | |
1648 | ioim->io_cbfn = __bfa_cb_ioim_abort; | |
1649 | ||
1650 | if (bfa_ioim_send_abort(ioim)) | |
1651 | bfa_sm_set_state(ioim, bfa_ioim_sm_abort); | |
1652 | else { | |
1653 | bfa_sm_set_state(ioim, bfa_ioim_sm_abort_qfull); | |
1654 | bfa_stats(ioim->itnim, qwait); | |
1655 | bfa_reqq_wait(ioim->bfa, ioim->reqq, | |
1656 | &ioim->iosp->reqq_wait); | |
1657 | } | |
1658 | break; | |
1659 | ||
1660 | case BFA_IOIM_SM_CLEANUP: | |
1661 | ioim->iosp->abort_explicit = BFA_FALSE; | |
1662 | ioim->io_cbfn = __bfa_cb_ioim_failed; | |
1663 | ||
1664 | if (bfa_ioim_send_abort(ioim)) | |
1665 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); | |
1666 | else { | |
1667 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); | |
1668 | bfa_stats(ioim->itnim, qwait); | |
1669 | bfa_reqq_wait(ioim->bfa, ioim->reqq, | |
1670 | &ioim->iosp->reqq_wait); | |
1671 | } | |
1672 | break; | |
1673 | ||
1674 | case BFA_IOIM_SM_HWFAIL: | |
1675 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1676 | bfa_ioim_move_to_comp_q(ioim); | |
1677 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1678 | ioim); | |
1679 | break; | |
1680 | ||
1681 | case BFA_IOIM_SM_SQRETRY: | |
15821f05 KG |
1682 | if (bfa_ioim_maxretry_reached(ioim)) { |
1683 | /* max retry reached, free IO */ | |
a36c61f9 KG |
1684 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); |
1685 | bfa_ioim_move_to_comp_q(ioim); | |
1686 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, | |
1687 | __bfa_cb_ioim_failed, ioim); | |
1688 | break; | |
1689 | } | |
1690 | /* waiting for IO tag resource free */ | |
1691 | bfa_sm_set_state(ioim, bfa_ioim_sm_cmnd_retry); | |
1692 | break; | |
1693 | ||
1694 | default: | |
1695 | bfa_sm_fault(ioim->bfa, event); | |
1696 | } | |
1697 | } | |
1698 | ||
5fbe25c7 | 1699 | /* |
da99dcc9 MZ |
1700 | * IO is retried with new tag. |
1701 | */ | |
a36c61f9 KG |
1702 | static void |
1703 | bfa_ioim_sm_cmnd_retry(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1704 | { | |
a36c61f9 KG |
1705 | switch (event) { |
1706 | case BFA_IOIM_SM_FREE: | |
1707 | /* abts and rrq done. Now retry the IO with new tag */ | |
15821f05 | 1708 | bfa_ioim_update_iotag(ioim); |
a36c61f9 KG |
1709 | if (!bfa_ioim_send_ioreq(ioim)) { |
1710 | bfa_sm_set_state(ioim, bfa_ioim_sm_qfull); | |
1711 | break; | |
1712 | } | |
1713 | bfa_sm_set_state(ioim, bfa_ioim_sm_active); | |
1714 | break; | |
1715 | ||
1716 | case BFA_IOIM_SM_CLEANUP: | |
1717 | ioim->iosp->abort_explicit = BFA_FALSE; | |
1718 | ioim->io_cbfn = __bfa_cb_ioim_failed; | |
1719 | ||
1720 | if (bfa_ioim_send_abort(ioim)) | |
1721 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); | |
1722 | else { | |
1723 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); | |
1724 | bfa_stats(ioim->itnim, qwait); | |
1725 | bfa_reqq_wait(ioim->bfa, ioim->reqq, | |
1726 | &ioim->iosp->reqq_wait); | |
1727 | } | |
1728 | break; | |
1729 | ||
1730 | case BFA_IOIM_SM_HWFAIL: | |
1731 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1732 | bfa_ioim_move_to_comp_q(ioim); | |
1733 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, | |
1734 | __bfa_cb_ioim_failed, ioim); | |
1735 | break; | |
1736 | ||
1737 | case BFA_IOIM_SM_ABORT: | |
5fbe25c7 | 1738 | /* in this state IO abort is done. |
a36c61f9 KG |
1739 | * Waiting for IO tag resource free. |
1740 | */ | |
1741 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
1742 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1743 | ioim); | |
1744 | break; | |
1745 | ||
1746 | default: | |
1747 | bfa_sm_fault(ioim->bfa, event); | |
1748 | } | |
1749 | } | |
1750 | ||
5fbe25c7 | 1751 | /* |
da99dcc9 | 1752 | * IO is being aborted, waiting for completion from firmware. |
a36c61f9 KG |
1753 | */ |
1754 | static void | |
1755 | bfa_ioim_sm_abort(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1756 | { | |
1757 | bfa_trc(ioim->bfa, ioim->iotag); | |
1758 | bfa_trc(ioim->bfa, event); | |
1759 | ||
1760 | switch (event) { | |
1761 | case BFA_IOIM_SM_COMP_GOOD: | |
1762 | case BFA_IOIM_SM_COMP: | |
1763 | case BFA_IOIM_SM_DONE: | |
1764 | case BFA_IOIM_SM_FREE: | |
1765 | break; | |
1766 | ||
1767 | case BFA_IOIM_SM_ABORT_DONE: | |
1768 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
1769 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1770 | ioim); | |
1771 | break; | |
1772 | ||
1773 | case BFA_IOIM_SM_ABORT_COMP: | |
1774 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1775 | bfa_ioim_move_to_comp_q(ioim); | |
1776 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1777 | ioim); | |
1778 | break; | |
1779 | ||
1780 | case BFA_IOIM_SM_COMP_UTAG: | |
1781 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1782 | bfa_ioim_move_to_comp_q(ioim); | |
1783 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1784 | ioim); | |
1785 | break; | |
1786 | ||
1787 | case BFA_IOIM_SM_CLEANUP: | |
d4b671c5 | 1788 | WARN_ON(ioim->iosp->abort_explicit != BFA_TRUE); |
a36c61f9 KG |
1789 | ioim->iosp->abort_explicit = BFA_FALSE; |
1790 | ||
1791 | if (bfa_ioim_send_abort(ioim)) | |
1792 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); | |
1793 | else { | |
1794 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); | |
1795 | bfa_stats(ioim->itnim, qwait); | |
1796 | bfa_reqq_wait(ioim->bfa, ioim->reqq, | |
1797 | &ioim->iosp->reqq_wait); | |
1798 | } | |
1799 | break; | |
1800 | ||
1801 | case BFA_IOIM_SM_HWFAIL: | |
1802 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1803 | bfa_ioim_move_to_comp_q(ioim); | |
1804 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1805 | ioim); | |
1806 | break; | |
1807 | ||
1808 | default: | |
1809 | bfa_sm_fault(ioim->bfa, event); | |
1810 | } | |
1811 | } | |
1812 | ||
5fbe25c7 | 1813 | /* |
a36c61f9 KG |
1814 | * IO is being cleaned up (implicit abort), waiting for completion from |
1815 | * firmware. | |
1816 | */ | |
1817 | static void | |
1818 | bfa_ioim_sm_cleanup(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1819 | { | |
1820 | bfa_trc(ioim->bfa, ioim->iotag); | |
1821 | bfa_trc(ioim->bfa, event); | |
1822 | ||
1823 | switch (event) { | |
1824 | case BFA_IOIM_SM_COMP_GOOD: | |
1825 | case BFA_IOIM_SM_COMP: | |
1826 | case BFA_IOIM_SM_DONE: | |
1827 | case BFA_IOIM_SM_FREE: | |
1828 | break; | |
1829 | ||
1830 | case BFA_IOIM_SM_ABORT: | |
5fbe25c7 | 1831 | /* |
a36c61f9 KG |
1832 | * IO is already being aborted implicitly |
1833 | */ | |
1834 | ioim->io_cbfn = __bfa_cb_ioim_abort; | |
1835 | break; | |
1836 | ||
1837 | case BFA_IOIM_SM_ABORT_DONE: | |
1838 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
1839 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
1840 | bfa_ioim_notify_cleanup(ioim); | |
1841 | break; | |
1842 | ||
1843 | case BFA_IOIM_SM_ABORT_COMP: | |
1844 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1845 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
1846 | bfa_ioim_notify_cleanup(ioim); | |
1847 | break; | |
1848 | ||
1849 | case BFA_IOIM_SM_COMP_UTAG: | |
1850 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1851 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
1852 | bfa_ioim_notify_cleanup(ioim); | |
1853 | break; | |
1854 | ||
1855 | case BFA_IOIM_SM_HWFAIL: | |
1856 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1857 | bfa_ioim_move_to_comp_q(ioim); | |
1858 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1859 | ioim); | |
1860 | break; | |
1861 | ||
1862 | case BFA_IOIM_SM_CLEANUP: | |
5fbe25c7 | 1863 | /* |
a36c61f9 KG |
1864 | * IO can be in cleanup state already due to TM command. |
1865 | * 2nd cleanup request comes from ITN offline event. | |
1866 | */ | |
1867 | break; | |
1868 | ||
1869 | default: | |
1870 | bfa_sm_fault(ioim->bfa, event); | |
1871 | } | |
1872 | } | |
1873 | ||
5fbe25c7 | 1874 | /* |
da99dcc9 | 1875 | * IO is waiting for room in request CQ |
a36c61f9 KG |
1876 | */ |
1877 | static void | |
1878 | bfa_ioim_sm_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1879 | { | |
1880 | bfa_trc(ioim->bfa, ioim->iotag); | |
1881 | bfa_trc(ioim->bfa, event); | |
1882 | ||
1883 | switch (event) { | |
1884 | case BFA_IOIM_SM_QRESUME: | |
1885 | bfa_sm_set_state(ioim, bfa_ioim_sm_active); | |
1886 | bfa_ioim_send_ioreq(ioim); | |
1887 | break; | |
1888 | ||
1889 | case BFA_IOIM_SM_ABORT: | |
1890 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1891 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1892 | bfa_ioim_move_to_comp_q(ioim); | |
1893 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1894 | ioim); | |
1895 | break; | |
1896 | ||
1897 | case BFA_IOIM_SM_CLEANUP: | |
1898 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1899 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1900 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1901 | ioim); | |
1902 | bfa_ioim_notify_cleanup(ioim); | |
1903 | break; | |
1904 | ||
1905 | case BFA_IOIM_SM_HWFAIL: | |
1906 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1907 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1908 | bfa_ioim_move_to_comp_q(ioim); | |
1909 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1910 | ioim); | |
1911 | break; | |
1912 | ||
1913 | default: | |
1914 | bfa_sm_fault(ioim->bfa, event); | |
1915 | } | |
1916 | } | |
1917 | ||
5fbe25c7 | 1918 | /* |
da99dcc9 | 1919 | * Active IO is being aborted, waiting for room in request CQ. |
a36c61f9 KG |
1920 | */ |
1921 | static void | |
1922 | bfa_ioim_sm_abort_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1923 | { | |
1924 | bfa_trc(ioim->bfa, ioim->iotag); | |
1925 | bfa_trc(ioim->bfa, event); | |
1926 | ||
1927 | switch (event) { | |
1928 | case BFA_IOIM_SM_QRESUME: | |
1929 | bfa_sm_set_state(ioim, bfa_ioim_sm_abort); | |
1930 | bfa_ioim_send_abort(ioim); | |
1931 | break; | |
1932 | ||
1933 | case BFA_IOIM_SM_CLEANUP: | |
d4b671c5 | 1934 | WARN_ON(ioim->iosp->abort_explicit != BFA_TRUE); |
a36c61f9 KG |
1935 | ioim->iosp->abort_explicit = BFA_FALSE; |
1936 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); | |
1937 | break; | |
1938 | ||
1939 | case BFA_IOIM_SM_COMP_GOOD: | |
1940 | case BFA_IOIM_SM_COMP: | |
1941 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1942 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1943 | bfa_ioim_move_to_comp_q(ioim); | |
1944 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1945 | ioim); | |
1946 | break; | |
1947 | ||
1948 | case BFA_IOIM_SM_DONE: | |
1949 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
1950 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1951 | bfa_ioim_move_to_comp_q(ioim); | |
1952 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1953 | ioim); | |
1954 | break; | |
1955 | ||
1956 | case BFA_IOIM_SM_HWFAIL: | |
1957 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1958 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1959 | bfa_ioim_move_to_comp_q(ioim); | |
1960 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1961 | ioim); | |
1962 | break; | |
1963 | ||
1964 | default: | |
1965 | bfa_sm_fault(ioim->bfa, event); | |
1966 | } | |
1967 | } | |
1968 | ||
5fbe25c7 | 1969 | /* |
da99dcc9 | 1970 | * Active IO is being cleaned up, waiting for room in request CQ. |
a36c61f9 KG |
1971 | */ |
1972 | static void | |
1973 | bfa_ioim_sm_cleanup_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1974 | { | |
1975 | bfa_trc(ioim->bfa, ioim->iotag); | |
1976 | bfa_trc(ioim->bfa, event); | |
1977 | ||
1978 | switch (event) { | |
1979 | case BFA_IOIM_SM_QRESUME: | |
1980 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); | |
1981 | bfa_ioim_send_abort(ioim); | |
1982 | break; | |
1983 | ||
1984 | case BFA_IOIM_SM_ABORT: | |
5fbe25c7 | 1985 | /* |
b595076a | 1986 | * IO is already being cleaned up implicitly |
a36c61f9 KG |
1987 | */ |
1988 | ioim->io_cbfn = __bfa_cb_ioim_abort; | |
1989 | break; | |
1990 | ||
1991 | case BFA_IOIM_SM_COMP_GOOD: | |
1992 | case BFA_IOIM_SM_COMP: | |
1993 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1994 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1995 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
1996 | bfa_ioim_notify_cleanup(ioim); | |
1997 | break; | |
1998 | ||
1999 | case BFA_IOIM_SM_DONE: | |
2000 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
2001 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
2002 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
2003 | bfa_ioim_notify_cleanup(ioim); | |
2004 | break; | |
2005 | ||
2006 | case BFA_IOIM_SM_HWFAIL: | |
2007 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
2008 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
2009 | bfa_ioim_move_to_comp_q(ioim); | |
2010 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
2011 | ioim); | |
2012 | break; | |
2013 | ||
2014 | default: | |
2015 | bfa_sm_fault(ioim->bfa, event); | |
2016 | } | |
2017 | } | |
2018 | ||
5fbe25c7 | 2019 | /* |
a36c61f9 KG |
2020 | * IO bfa callback is pending. |
2021 | */ | |
2022 | static void | |
2023 | bfa_ioim_sm_hcb(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
2024 | { | |
a36c61f9 KG |
2025 | switch (event) { |
2026 | case BFA_IOIM_SM_HCB: | |
2027 | bfa_sm_set_state(ioim, bfa_ioim_sm_uninit); | |
2028 | bfa_ioim_free(ioim); | |
2029 | break; | |
2030 | ||
2031 | case BFA_IOIM_SM_CLEANUP: | |
2032 | bfa_ioim_notify_cleanup(ioim); | |
2033 | break; | |
2034 | ||
2035 | case BFA_IOIM_SM_HWFAIL: | |
2036 | break; | |
2037 | ||
2038 | default: | |
2039 | bfa_sm_fault(ioim->bfa, event); | |
2040 | } | |
2041 | } | |
2042 | ||
5fbe25c7 | 2043 | /* |
a36c61f9 KG |
2044 | * IO bfa callback is pending. IO resource cannot be freed. |
2045 | */ | |
2046 | static void | |
2047 | bfa_ioim_sm_hcb_free(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
2048 | { | |
2049 | bfa_trc(ioim->bfa, ioim->iotag); | |
2050 | bfa_trc(ioim->bfa, event); | |
2051 | ||
2052 | switch (event) { | |
2053 | case BFA_IOIM_SM_HCB: | |
2054 | bfa_sm_set_state(ioim, bfa_ioim_sm_resfree); | |
2055 | list_del(&ioim->qe); | |
2056 | list_add_tail(&ioim->qe, &ioim->fcpim->ioim_resfree_q); | |
2057 | break; | |
2058 | ||
2059 | case BFA_IOIM_SM_FREE: | |
2060 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
2061 | break; | |
2062 | ||
2063 | case BFA_IOIM_SM_CLEANUP: | |
2064 | bfa_ioim_notify_cleanup(ioim); | |
2065 | break; | |
2066 | ||
2067 | case BFA_IOIM_SM_HWFAIL: | |
2068 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
2069 | break; | |
2070 | ||
2071 | default: | |
2072 | bfa_sm_fault(ioim->bfa, event); | |
2073 | } | |
2074 | } | |
2075 | ||
5fbe25c7 | 2076 | /* |
a36c61f9 KG |
2077 | * IO is completed, waiting resource free from firmware. |
2078 | */ | |
2079 | static void | |
2080 | bfa_ioim_sm_resfree(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
2081 | { | |
2082 | bfa_trc(ioim->bfa, ioim->iotag); | |
2083 | bfa_trc(ioim->bfa, event); | |
2084 | ||
2085 | switch (event) { | |
2086 | case BFA_IOIM_SM_FREE: | |
2087 | bfa_sm_set_state(ioim, bfa_ioim_sm_uninit); | |
2088 | bfa_ioim_free(ioim); | |
2089 | break; | |
2090 | ||
2091 | case BFA_IOIM_SM_CLEANUP: | |
2092 | bfa_ioim_notify_cleanup(ioim); | |
2093 | break; | |
2094 | ||
2095 | case BFA_IOIM_SM_HWFAIL: | |
2096 | break; | |
2097 | ||
2098 | default: | |
2099 | bfa_sm_fault(ioim->bfa, event); | |
2100 | } | |
2101 | } | |
2102 | ||
83763d59 KG |
2103 | /* |
2104 | * This is called from bfa_fcpim_start after the bfa_init() with flash read | |
2105 | * is complete by driver. now invalidate the stale content of lun mask | |
2106 | * like unit attention, rp tag and lp tag. | |
2107 | */ | |
2108 | static void | |
2109 | bfa_ioim_lm_init(struct bfa_s *bfa) | |
2110 | { | |
2111 | struct bfa_lun_mask_s *lunm_list; | |
2112 | int i; | |
2113 | ||
2114 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) | |
2115 | return; | |
2116 | ||
2117 | lunm_list = bfa_get_lun_mask_list(bfa); | |
2118 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2119 | lunm_list[i].ua = BFA_IOIM_LM_UA_RESET; | |
2120 | lunm_list[i].lp_tag = BFA_LP_TAG_INVALID; | |
2121 | lunm_list[i].rp_tag = BFA_RPORT_TAG_INVALID; | |
2122 | } | |
2123 | } | |
2124 | ||
a36c61f9 KG |
2125 | static void |
2126 | __bfa_cb_ioim_good_comp(void *cbarg, bfa_boolean_t complete) | |
2127 | { | |
2128 | struct bfa_ioim_s *ioim = cbarg; | |
2129 | ||
2130 | if (!complete) { | |
2131 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); | |
2132 | return; | |
2133 | } | |
2134 | ||
2135 | bfa_cb_ioim_good_comp(ioim->bfa->bfad, ioim->dio); | |
2136 | } | |
2137 | ||
2138 | static void | |
2139 | __bfa_cb_ioim_comp(void *cbarg, bfa_boolean_t complete) | |
2140 | { | |
2141 | struct bfa_ioim_s *ioim = cbarg; | |
2142 | struct bfi_ioim_rsp_s *m; | |
2143 | u8 *snsinfo = NULL; | |
2144 | u8 sns_len = 0; | |
2145 | s32 residue = 0; | |
2146 | ||
2147 | if (!complete) { | |
2148 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); | |
2149 | return; | |
2150 | } | |
2151 | ||
2152 | m = (struct bfi_ioim_rsp_s *) &ioim->iosp->comp_rspmsg; | |
2153 | if (m->io_status == BFI_IOIM_STS_OK) { | |
5fbe25c7 | 2154 | /* |
a36c61f9 KG |
2155 | * setup sense information, if present |
2156 | */ | |
2157 | if ((m->scsi_status == SCSI_STATUS_CHECK_CONDITION) && | |
2158 | m->sns_len) { | |
2159 | sns_len = m->sns_len; | |
e2187d7f KG |
2160 | snsinfo = BFA_SNSINFO_FROM_TAG(ioim->fcpim->fcp, |
2161 | ioim->iotag); | |
a36c61f9 KG |
2162 | } |
2163 | ||
5fbe25c7 | 2164 | /* |
a36c61f9 KG |
2165 | * setup residue value correctly for normal completions |
2166 | */ | |
2167 | if (m->resid_flags == FCP_RESID_UNDER) { | |
ba816ea8 | 2168 | residue = be32_to_cpu(m->residue); |
a36c61f9 KG |
2169 | bfa_stats(ioim->itnim, iocomp_underrun); |
2170 | } | |
2171 | if (m->resid_flags == FCP_RESID_OVER) { | |
ba816ea8 | 2172 | residue = be32_to_cpu(m->residue); |
a36c61f9 KG |
2173 | residue = -residue; |
2174 | bfa_stats(ioim->itnim, iocomp_overrun); | |
2175 | } | |
2176 | } | |
2177 | ||
2178 | bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, m->io_status, | |
2179 | m->scsi_status, sns_len, snsinfo, residue); | |
2180 | } | |
2181 | ||
83763d59 KG |
2182 | void |
2183 | bfa_fcpim_lunmask_rp_update(struct bfa_s *bfa, wwn_t lp_wwn, wwn_t rp_wwn, | |
2184 | u16 rp_tag, u8 lp_tag) | |
2185 | { | |
2186 | struct bfa_lun_mask_s *lun_list; | |
2187 | u8 i; | |
2188 | ||
2189 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) | |
2190 | return; | |
2191 | ||
2192 | lun_list = bfa_get_lun_mask_list(bfa); | |
2193 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2194 | if (lun_list[i].state == BFA_IOIM_LUN_MASK_ACTIVE) { | |
2195 | if ((lun_list[i].lp_wwn == lp_wwn) && | |
2196 | (lun_list[i].rp_wwn == rp_wwn)) { | |
2197 | lun_list[i].rp_tag = rp_tag; | |
2198 | lun_list[i].lp_tag = lp_tag; | |
2199 | } | |
2200 | } | |
2201 | } | |
2202 | } | |
2203 | ||
4c5d22bf KG |
2204 | /* |
2205 | * set UA for all active luns in LM DB | |
2206 | */ | |
2207 | static void | |
2208 | bfa_ioim_lm_set_ua(struct bfa_s *bfa) | |
2209 | { | |
2210 | struct bfa_lun_mask_s *lunm_list; | |
2211 | int i; | |
2212 | ||
2213 | lunm_list = bfa_get_lun_mask_list(bfa); | |
2214 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2215 | if (lunm_list[i].state != BFA_IOIM_LUN_MASK_ACTIVE) | |
2216 | continue; | |
2217 | lunm_list[i].ua = BFA_IOIM_LM_UA_SET; | |
2218 | } | |
2219 | } | |
2220 | ||
2221 | bfa_status_t | |
2222 | bfa_fcpim_lunmask_update(struct bfa_s *bfa, u32 update) | |
2223 | { | |
2224 | struct bfa_lunmask_cfg_s *lun_mask; | |
2225 | ||
2226 | bfa_trc(bfa, bfa_get_lun_mask_status(bfa)); | |
2227 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) | |
2228 | return BFA_STATUS_FAILED; | |
2229 | ||
2230 | if (bfa_get_lun_mask_status(bfa) == update) | |
2231 | return BFA_STATUS_NO_CHANGE; | |
2232 | ||
2233 | lun_mask = bfa_get_lun_mask(bfa); | |
2234 | lun_mask->status = update; | |
2235 | ||
2236 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_ENABLED) | |
2237 | bfa_ioim_lm_set_ua(bfa); | |
2238 | ||
2239 | return bfa_dconf_update(bfa); | |
2240 | } | |
2241 | ||
2242 | bfa_status_t | |
2243 | bfa_fcpim_lunmask_clear(struct bfa_s *bfa) | |
2244 | { | |
2245 | int i; | |
2246 | struct bfa_lun_mask_s *lunm_list; | |
2247 | ||
2248 | bfa_trc(bfa, bfa_get_lun_mask_status(bfa)); | |
2249 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) | |
2250 | return BFA_STATUS_FAILED; | |
2251 | ||
2252 | lunm_list = bfa_get_lun_mask_list(bfa); | |
2253 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2254 | if (lunm_list[i].state == BFA_IOIM_LUN_MASK_ACTIVE) { | |
2255 | if (lunm_list[i].rp_tag != BFA_RPORT_TAG_INVALID) | |
2256 | bfa_rport_unset_lunmask(bfa, | |
2257 | BFA_RPORT_FROM_TAG(bfa, lunm_list[i].rp_tag)); | |
2258 | } | |
2259 | } | |
2260 | ||
2261 | memset(lunm_list, 0, sizeof(struct bfa_lun_mask_s) * MAX_LUN_MASK_CFG); | |
2262 | return bfa_dconf_update(bfa); | |
2263 | } | |
2264 | ||
2265 | bfa_status_t | |
2266 | bfa_fcpim_lunmask_query(struct bfa_s *bfa, void *buf) | |
2267 | { | |
2268 | struct bfa_lunmask_cfg_s *lun_mask; | |
2269 | ||
2270 | bfa_trc(bfa, bfa_get_lun_mask_status(bfa)); | |
2271 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) | |
2272 | return BFA_STATUS_FAILED; | |
2273 | ||
2274 | lun_mask = bfa_get_lun_mask(bfa); | |
2275 | memcpy(buf, lun_mask, sizeof(struct bfa_lunmask_cfg_s)); | |
2276 | return BFA_STATUS_OK; | |
2277 | } | |
2278 | ||
2279 | bfa_status_t | |
2280 | bfa_fcpim_lunmask_add(struct bfa_s *bfa, u16 vf_id, wwn_t *pwwn, | |
2281 | wwn_t rpwwn, struct scsi_lun lun) | |
2282 | { | |
2283 | struct bfa_lun_mask_s *lunm_list; | |
2284 | struct bfa_rport_s *rp = NULL; | |
2285 | int i, free_index = MAX_LUN_MASK_CFG + 1; | |
2286 | struct bfa_fcs_lport_s *port = NULL; | |
2287 | struct bfa_fcs_rport_s *rp_fcs; | |
2288 | ||
2289 | bfa_trc(bfa, bfa_get_lun_mask_status(bfa)); | |
2290 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) | |
2291 | return BFA_STATUS_FAILED; | |
2292 | ||
2293 | port = bfa_fcs_lookup_port(&((struct bfad_s *)bfa->bfad)->bfa_fcs, | |
2294 | vf_id, *pwwn); | |
2295 | if (port) { | |
2296 | *pwwn = port->port_cfg.pwwn; | |
2297 | rp_fcs = bfa_fcs_lport_get_rport_by_pwwn(port, rpwwn); | |
6bc6204e KG |
2298 | if (rp_fcs) |
2299 | rp = rp_fcs->bfa_rport; | |
4c5d22bf KG |
2300 | } |
2301 | ||
2302 | lunm_list = bfa_get_lun_mask_list(bfa); | |
2303 | /* if entry exists */ | |
2304 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2305 | if (lunm_list[i].state != BFA_IOIM_LUN_MASK_ACTIVE) | |
2306 | free_index = i; | |
2307 | if ((lunm_list[i].lp_wwn == *pwwn) && | |
2308 | (lunm_list[i].rp_wwn == rpwwn) && | |
2309 | (scsilun_to_int((struct scsi_lun *)&lunm_list[i].lun) == | |
2310 | scsilun_to_int((struct scsi_lun *)&lun))) | |
2311 | return BFA_STATUS_ENTRY_EXISTS; | |
2312 | } | |
2313 | ||
2314 | if (free_index > MAX_LUN_MASK_CFG) | |
2315 | return BFA_STATUS_MAX_ENTRY_REACHED; | |
2316 | ||
2317 | if (rp) { | |
2318 | lunm_list[free_index].lp_tag = bfa_lps_get_tag_from_pid(bfa, | |
2319 | rp->rport_info.local_pid); | |
2320 | lunm_list[free_index].rp_tag = rp->rport_tag; | |
2321 | } else { | |
2322 | lunm_list[free_index].lp_tag = BFA_LP_TAG_INVALID; | |
2323 | lunm_list[free_index].rp_tag = BFA_RPORT_TAG_INVALID; | |
2324 | } | |
2325 | ||
2326 | lunm_list[free_index].lp_wwn = *pwwn; | |
2327 | lunm_list[free_index].rp_wwn = rpwwn; | |
2328 | lunm_list[free_index].lun = lun; | |
2329 | lunm_list[free_index].state = BFA_IOIM_LUN_MASK_ACTIVE; | |
2330 | ||
2331 | /* set for all luns in this rp */ | |
2332 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2333 | if ((lunm_list[i].lp_wwn == *pwwn) && | |
2334 | (lunm_list[i].rp_wwn == rpwwn)) | |
2335 | lunm_list[i].ua = BFA_IOIM_LM_UA_SET; | |
2336 | } | |
2337 | ||
2338 | return bfa_dconf_update(bfa); | |
2339 | } | |
2340 | ||
2341 | bfa_status_t | |
2342 | bfa_fcpim_lunmask_delete(struct bfa_s *bfa, u16 vf_id, wwn_t *pwwn, | |
2343 | wwn_t rpwwn, struct scsi_lun lun) | |
2344 | { | |
2345 | struct bfa_lun_mask_s *lunm_list; | |
2346 | struct bfa_rport_s *rp = NULL; | |
2347 | struct bfa_fcs_lport_s *port = NULL; | |
2348 | struct bfa_fcs_rport_s *rp_fcs; | |
2349 | int i; | |
2350 | ||
2351 | /* in min cfg lunm_list could be NULL but no commands should run. */ | |
2352 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) | |
2353 | return BFA_STATUS_FAILED; | |
2354 | ||
2355 | bfa_trc(bfa, bfa_get_lun_mask_status(bfa)); | |
2356 | bfa_trc(bfa, *pwwn); | |
2357 | bfa_trc(bfa, rpwwn); | |
2358 | bfa_trc(bfa, scsilun_to_int((struct scsi_lun *)&lun)); | |
2359 | ||
2360 | if (*pwwn == 0) { | |
2361 | port = bfa_fcs_lookup_port( | |
2362 | &((struct bfad_s *)bfa->bfad)->bfa_fcs, | |
2363 | vf_id, *pwwn); | |
2364 | if (port) { | |
2365 | *pwwn = port->port_cfg.pwwn; | |
2366 | rp_fcs = bfa_fcs_lport_get_rport_by_pwwn(port, rpwwn); | |
6bc6204e KG |
2367 | if (rp_fcs) |
2368 | rp = rp_fcs->bfa_rport; | |
4c5d22bf KG |
2369 | } |
2370 | } | |
2371 | ||
2372 | lunm_list = bfa_get_lun_mask_list(bfa); | |
2373 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2374 | if ((lunm_list[i].lp_wwn == *pwwn) && | |
2375 | (lunm_list[i].rp_wwn == rpwwn) && | |
2376 | (scsilun_to_int((struct scsi_lun *)&lunm_list[i].lun) == | |
2377 | scsilun_to_int((struct scsi_lun *)&lun))) { | |
2378 | lunm_list[i].lp_wwn = 0; | |
2379 | lunm_list[i].rp_wwn = 0; | |
2380 | int_to_scsilun(0, &lunm_list[i].lun); | |
2381 | lunm_list[i].state = BFA_IOIM_LUN_MASK_INACTIVE; | |
2382 | if (lunm_list[i].rp_tag != BFA_RPORT_TAG_INVALID) { | |
2383 | lunm_list[i].rp_tag = BFA_RPORT_TAG_INVALID; | |
2384 | lunm_list[i].lp_tag = BFA_LP_TAG_INVALID; | |
2385 | } | |
2386 | return bfa_dconf_update(bfa); | |
2387 | } | |
2388 | } | |
2389 | ||
2390 | /* set for all luns in this rp */ | |
2391 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2392 | if ((lunm_list[i].lp_wwn == *pwwn) && | |
2393 | (lunm_list[i].rp_wwn == rpwwn)) | |
2394 | lunm_list[i].ua = BFA_IOIM_LM_UA_SET; | |
2395 | } | |
2396 | ||
2397 | return BFA_STATUS_ENTRY_NOT_EXISTS; | |
2398 | } | |
2399 | ||
a36c61f9 KG |
2400 | static void |
2401 | __bfa_cb_ioim_failed(void *cbarg, bfa_boolean_t complete) | |
2402 | { | |
2403 | struct bfa_ioim_s *ioim = cbarg; | |
2404 | ||
2405 | if (!complete) { | |
2406 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); | |
2407 | return; | |
2408 | } | |
2409 | ||
2410 | bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_ABORTED, | |
2411 | 0, 0, NULL, 0); | |
2412 | } | |
2413 | ||
2414 | static void | |
2415 | __bfa_cb_ioim_pathtov(void *cbarg, bfa_boolean_t complete) | |
2416 | { | |
2417 | struct bfa_ioim_s *ioim = cbarg; | |
2418 | ||
2419 | bfa_stats(ioim->itnim, path_tov_expired); | |
2420 | if (!complete) { | |
2421 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); | |
2422 | return; | |
2423 | } | |
2424 | ||
2425 | bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_PATHTOV, | |
2426 | 0, 0, NULL, 0); | |
2427 | } | |
2428 | ||
2429 | static void | |
2430 | __bfa_cb_ioim_abort(void *cbarg, bfa_boolean_t complete) | |
2431 | { | |
2432 | struct bfa_ioim_s *ioim = cbarg; | |
2433 | ||
2434 | if (!complete) { | |
2435 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); | |
2436 | return; | |
2437 | } | |
2438 | ||
2439 | bfa_cb_ioim_abort(ioim->bfa->bfad, ioim->dio); | |
2440 | } | |
2441 | ||
2442 | static void | |
2443 | bfa_ioim_sgpg_alloced(void *cbarg) | |
2444 | { | |
2445 | struct bfa_ioim_s *ioim = cbarg; | |
2446 | ||
2447 | ioim->nsgpgs = BFA_SGPG_NPAGE(ioim->nsges); | |
2448 | list_splice_tail_init(&ioim->iosp->sgpg_wqe.sgpg_q, &ioim->sgpg_q); | |
e3e7d3ee | 2449 | ioim->sgpg = bfa_q_first(&ioim->sgpg_q); |
a36c61f9 KG |
2450 | bfa_sm_send_event(ioim, BFA_IOIM_SM_SGALLOCED); |
2451 | } | |
2452 | ||
5fbe25c7 | 2453 | /* |
a36c61f9 KG |
2454 | * Send I/O request to firmware. |
2455 | */ | |
2456 | static bfa_boolean_t | |
2457 | bfa_ioim_send_ioreq(struct bfa_ioim_s *ioim) | |
2458 | { | |
2459 | struct bfa_itnim_s *itnim = ioim->itnim; | |
2460 | struct bfi_ioim_req_s *m; | |
da99dcc9 | 2461 | static struct fcp_cmnd_s cmnd_z0 = { { { 0 } } }; |
e3e7d3ee | 2462 | struct bfi_sge_s *sge, *sgpge; |
a36c61f9 KG |
2463 | u32 pgdlen = 0; |
2464 | u32 fcp_dl; | |
2465 | u64 addr; | |
2466 | struct scatterlist *sg; | |
e3e7d3ee | 2467 | struct bfa_sgpg_s *sgpg; |
a36c61f9 | 2468 | struct scsi_cmnd *cmnd = (struct scsi_cmnd *) ioim->dio; |
e3e7d3ee | 2469 | u32 i, sge_id, pgcumsz; |
f314878a | 2470 | enum dma_data_direction dmadir; |
a36c61f9 | 2471 | |
5fbe25c7 | 2472 | /* |
a36c61f9 KG |
2473 | * check for room in queue to send request now |
2474 | */ | |
2475 | m = bfa_reqq_next(ioim->bfa, ioim->reqq); | |
2476 | if (!m) { | |
2477 | bfa_stats(ioim->itnim, qwait); | |
2478 | bfa_reqq_wait(ioim->bfa, ioim->reqq, | |
2479 | &ioim->iosp->reqq_wait); | |
2480 | return BFA_FALSE; | |
2481 | } | |
2482 | ||
5fbe25c7 | 2483 | /* |
a36c61f9 KG |
2484 | * build i/o request message next |
2485 | */ | |
ba816ea8 | 2486 | m->io_tag = cpu_to_be16(ioim->iotag); |
a36c61f9 | 2487 | m->rport_hdl = ioim->itnim->rport->fw_handle; |
f314878a | 2488 | m->io_timeout = 0; |
a36c61f9 | 2489 | |
a36c61f9 | 2490 | sge = &m->sges[0]; |
e3e7d3ee MZ |
2491 | sgpg = ioim->sgpg; |
2492 | sge_id = 0; | |
2493 | sgpge = NULL; | |
2494 | pgcumsz = 0; | |
2495 | scsi_for_each_sg(cmnd, sg, ioim->nsges, i) { | |
2496 | if (i == 0) { | |
2497 | /* build inline IO SG element */ | |
f16a1750 | 2498 | addr = bfa_sgaddr_le(sg_dma_address(sg)); |
e3e7d3ee MZ |
2499 | sge->sga = *(union bfi_addr_u *) &addr; |
2500 | pgdlen = sg_dma_len(sg); | |
2501 | sge->sg_len = pgdlen; | |
2502 | sge->flags = (ioim->nsges > BFI_SGE_INLINE) ? | |
a36c61f9 | 2503 | BFI_SGE_DATA_CPL : BFI_SGE_DATA_LAST; |
e3e7d3ee MZ |
2504 | bfa_sge_to_be(sge); |
2505 | sge++; | |
2506 | } else { | |
2507 | if (sge_id == 0) | |
2508 | sgpge = sgpg->sgpg->sges; | |
2509 | ||
f16a1750 | 2510 | addr = bfa_sgaddr_le(sg_dma_address(sg)); |
e3e7d3ee MZ |
2511 | sgpge->sga = *(union bfi_addr_u *) &addr; |
2512 | sgpge->sg_len = sg_dma_len(sg); | |
2513 | pgcumsz += sgpge->sg_len; | |
2514 | ||
2515 | /* set flags */ | |
2516 | if (i < (ioim->nsges - 1) && | |
2517 | sge_id < (BFI_SGPG_DATA_SGES - 1)) | |
2518 | sgpge->flags = BFI_SGE_DATA; | |
2519 | else if (i < (ioim->nsges - 1)) | |
2520 | sgpge->flags = BFI_SGE_DATA_CPL; | |
2521 | else | |
2522 | sgpge->flags = BFI_SGE_DATA_LAST; | |
2523 | ||
2524 | bfa_sge_to_le(sgpge); | |
2525 | ||
2526 | sgpge++; | |
2527 | if (i == (ioim->nsges - 1)) { | |
2528 | sgpge->flags = BFI_SGE_PGDLEN; | |
2529 | sgpge->sga.a32.addr_lo = 0; | |
2530 | sgpge->sga.a32.addr_hi = 0; | |
2531 | sgpge->sg_len = pgcumsz; | |
2532 | bfa_sge_to_le(sgpge); | |
2533 | } else if (++sge_id == BFI_SGPG_DATA_SGES) { | |
2534 | sgpg = (struct bfa_sgpg_s *) bfa_q_next(sgpg); | |
2535 | sgpge->flags = BFI_SGE_LINK; | |
2536 | sgpge->sga = sgpg->sgpg_pa; | |
2537 | sgpge->sg_len = pgcumsz; | |
2538 | bfa_sge_to_le(sgpge); | |
2539 | sge_id = 0; | |
2540 | pgcumsz = 0; | |
2541 | } | |
2542 | } | |
a36c61f9 KG |
2543 | } |
2544 | ||
2545 | if (ioim->nsges > BFI_SGE_INLINE) { | |
2546 | sge->sga = ioim->sgpg->sgpg_pa; | |
2547 | } else { | |
2548 | sge->sga.a32.addr_lo = 0; | |
2549 | sge->sga.a32.addr_hi = 0; | |
2550 | } | |
2551 | sge->sg_len = pgdlen; | |
2552 | sge->flags = BFI_SGE_PGDLEN; | |
2553 | bfa_sge_to_be(sge); | |
2554 | ||
5fbe25c7 | 2555 | /* |
a36c61f9 KG |
2556 | * set up I/O command parameters |
2557 | */ | |
6a18b167 | 2558 | m->cmnd = cmnd_z0; |
f314878a MZ |
2559 | int_to_scsilun(cmnd->device->lun, &m->cmnd.lun); |
2560 | dmadir = cmnd->sc_data_direction; | |
2561 | if (dmadir == DMA_TO_DEVICE) | |
2562 | m->cmnd.iodir = FCP_IODIR_WRITE; | |
2563 | else if (dmadir == DMA_FROM_DEVICE) | |
2564 | m->cmnd.iodir = FCP_IODIR_READ; | |
2565 | else | |
2566 | m->cmnd.iodir = FCP_IODIR_NONE; | |
2567 | ||
8f4bfadd | 2568 | m->cmnd.cdb = *(struct scsi_cdb_s *) cmnd->cmnd; |
f314878a | 2569 | fcp_dl = scsi_bufflen(cmnd); |
ba816ea8 | 2570 | m->cmnd.fcp_dl = cpu_to_be32(fcp_dl); |
a36c61f9 | 2571 | |
5fbe25c7 | 2572 | /* |
a36c61f9 KG |
2573 | * set up I/O message header |
2574 | */ | |
2575 | switch (m->cmnd.iodir) { | |
2576 | case FCP_IODIR_READ: | |
3fd45980 | 2577 | bfi_h2i_set(m->mh, BFI_MC_IOIM_READ, 0, bfa_fn_lpu(ioim->bfa)); |
a36c61f9 KG |
2578 | bfa_stats(itnim, input_reqs); |
2579 | ioim->itnim->stats.rd_throughput += fcp_dl; | |
2580 | break; | |
2581 | case FCP_IODIR_WRITE: | |
3fd45980 | 2582 | bfi_h2i_set(m->mh, BFI_MC_IOIM_WRITE, 0, bfa_fn_lpu(ioim->bfa)); |
a36c61f9 KG |
2583 | bfa_stats(itnim, output_reqs); |
2584 | ioim->itnim->stats.wr_throughput += fcp_dl; | |
2585 | break; | |
2586 | case FCP_IODIR_RW: | |
2587 | bfa_stats(itnim, input_reqs); | |
2588 | bfa_stats(itnim, output_reqs); | |
2589 | default: | |
3fd45980 | 2590 | bfi_h2i_set(m->mh, BFI_MC_IOIM_IO, 0, bfa_fn_lpu(ioim->bfa)); |
a36c61f9 KG |
2591 | } |
2592 | if (itnim->seq_rec || | |
f314878a | 2593 | (scsi_bufflen(cmnd) & (sizeof(u32) - 1))) |
3fd45980 | 2594 | bfi_h2i_set(m->mh, BFI_MC_IOIM_IO, 0, bfa_fn_lpu(ioim->bfa)); |
a36c61f9 | 2595 | |
5fbe25c7 | 2596 | /* |
a36c61f9 KG |
2597 | * queue I/O message to firmware |
2598 | */ | |
3fd45980 | 2599 | bfa_reqq_produce(ioim->bfa, ioim->reqq, m->mh); |
a36c61f9 KG |
2600 | return BFA_TRUE; |
2601 | } | |
2602 | ||
5fbe25c7 | 2603 | /* |
a36c61f9 KG |
2604 | * Setup any additional SG pages needed.Inline SG element is setup |
2605 | * at queuing time. | |
2606 | */ | |
2607 | static bfa_boolean_t | |
e3e7d3ee | 2608 | bfa_ioim_sgpg_alloc(struct bfa_ioim_s *ioim) |
a36c61f9 KG |
2609 | { |
2610 | u16 nsgpgs; | |
2611 | ||
d4b671c5 | 2612 | WARN_ON(ioim->nsges <= BFI_SGE_INLINE); |
a36c61f9 | 2613 | |
5fbe25c7 | 2614 | /* |
a36c61f9 KG |
2615 | * allocate SG pages needed |
2616 | */ | |
2617 | nsgpgs = BFA_SGPG_NPAGE(ioim->nsges); | |
2618 | if (!nsgpgs) | |
2619 | return BFA_TRUE; | |
2620 | ||
2621 | if (bfa_sgpg_malloc(ioim->bfa, &ioim->sgpg_q, nsgpgs) | |
2622 | != BFA_STATUS_OK) { | |
2623 | bfa_sgpg_wait(ioim->bfa, &ioim->iosp->sgpg_wqe, nsgpgs); | |
2624 | return BFA_FALSE; | |
2625 | } | |
2626 | ||
2627 | ioim->nsgpgs = nsgpgs; | |
e3e7d3ee | 2628 | ioim->sgpg = bfa_q_first(&ioim->sgpg_q); |
a36c61f9 KG |
2629 | |
2630 | return BFA_TRUE; | |
2631 | } | |
2632 | ||
5fbe25c7 | 2633 | /* |
a36c61f9 KG |
2634 | * Send I/O abort request to firmware. |
2635 | */ | |
2636 | static bfa_boolean_t | |
2637 | bfa_ioim_send_abort(struct bfa_ioim_s *ioim) | |
2638 | { | |
2639 | struct bfi_ioim_abort_req_s *m; | |
2640 | enum bfi_ioim_h2i msgop; | |
2641 | ||
5fbe25c7 | 2642 | /* |
a36c61f9 KG |
2643 | * check for room in queue to send request now |
2644 | */ | |
2645 | m = bfa_reqq_next(ioim->bfa, ioim->reqq); | |
2646 | if (!m) | |
2647 | return BFA_FALSE; | |
2648 | ||
5fbe25c7 | 2649 | /* |
a36c61f9 KG |
2650 | * build i/o request message next |
2651 | */ | |
2652 | if (ioim->iosp->abort_explicit) | |
2653 | msgop = BFI_IOIM_H2I_IOABORT_REQ; | |
2654 | else | |
2655 | msgop = BFI_IOIM_H2I_IOCLEANUP_REQ; | |
2656 | ||
3fd45980 | 2657 | bfi_h2i_set(m->mh, BFI_MC_IOIM, msgop, bfa_fn_lpu(ioim->bfa)); |
ba816ea8 | 2658 | m->io_tag = cpu_to_be16(ioim->iotag); |
a36c61f9 KG |
2659 | m->abort_tag = ++ioim->abort_tag; |
2660 | ||
5fbe25c7 | 2661 | /* |
a36c61f9 KG |
2662 | * queue I/O message to firmware |
2663 | */ | |
3fd45980 | 2664 | bfa_reqq_produce(ioim->bfa, ioim->reqq, m->mh); |
a36c61f9 KG |
2665 | return BFA_TRUE; |
2666 | } | |
2667 | ||
5fbe25c7 | 2668 | /* |
a36c61f9 KG |
2669 | * Call to resume any I/O requests waiting for room in request queue. |
2670 | */ | |
2671 | static void | |
2672 | bfa_ioim_qresume(void *cbarg) | |
2673 | { | |
2674 | struct bfa_ioim_s *ioim = cbarg; | |
2675 | ||
2676 | bfa_stats(ioim->itnim, qresumes); | |
2677 | bfa_sm_send_event(ioim, BFA_IOIM_SM_QRESUME); | |
2678 | } | |
2679 | ||
2680 | ||
2681 | static void | |
2682 | bfa_ioim_notify_cleanup(struct bfa_ioim_s *ioim) | |
2683 | { | |
5fbe25c7 | 2684 | /* |
a36c61f9 KG |
2685 | * Move IO from itnim queue to fcpim global queue since itnim will be |
2686 | * freed. | |
2687 | */ | |
2688 | list_del(&ioim->qe); | |
2689 | list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); | |
2690 | ||
2691 | if (!ioim->iosp->tskim) { | |
2692 | if (ioim->fcpim->delay_comp && ioim->itnim->iotov_active) { | |
2693 | bfa_cb_dequeue(&ioim->hcb_qe); | |
2694 | list_del(&ioim->qe); | |
2695 | list_add_tail(&ioim->qe, &ioim->itnim->delay_comp_q); | |
2696 | } | |
2697 | bfa_itnim_iodone(ioim->itnim); | |
2698 | } else | |
f7f73812 | 2699 | bfa_wc_down(&ioim->iosp->tskim->wc); |
a36c61f9 KG |
2700 | } |
2701 | ||
2702 | static bfa_boolean_t | |
2703 | bfa_ioim_is_abortable(struct bfa_ioim_s *ioim) | |
2704 | { | |
2705 | if ((bfa_sm_cmp_state(ioim, bfa_ioim_sm_uninit) && | |
2706 | (!bfa_q_is_on_q(&ioim->itnim->pending_q, ioim))) || | |
2707 | (bfa_sm_cmp_state(ioim, bfa_ioim_sm_abort)) || | |
2708 | (bfa_sm_cmp_state(ioim, bfa_ioim_sm_abort_qfull)) || | |
2709 | (bfa_sm_cmp_state(ioim, bfa_ioim_sm_hcb)) || | |
2710 | (bfa_sm_cmp_state(ioim, bfa_ioim_sm_hcb_free)) || | |
2711 | (bfa_sm_cmp_state(ioim, bfa_ioim_sm_resfree))) | |
2712 | return BFA_FALSE; | |
2713 | ||
2714 | return BFA_TRUE; | |
2715 | } | |
2716 | ||
a36c61f9 KG |
2717 | void |
2718 | bfa_ioim_delayed_comp(struct bfa_ioim_s *ioim, bfa_boolean_t iotov) | |
2719 | { | |
5fbe25c7 | 2720 | /* |
a36c61f9 KG |
2721 | * If path tov timer expired, failback with PATHTOV status - these |
2722 | * IO requests are not normally retried by IO stack. | |
2723 | * | |
2724 | * Otherwise device cameback online and fail it with normal failed | |
2725 | * status so that IO stack retries these failed IO requests. | |
2726 | */ | |
2727 | if (iotov) | |
2728 | ioim->io_cbfn = __bfa_cb_ioim_pathtov; | |
2729 | else { | |
2730 | ioim->io_cbfn = __bfa_cb_ioim_failed; | |
2731 | bfa_stats(ioim->itnim, iocom_nexus_abort); | |
2732 | } | |
2733 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
2734 | ||
5fbe25c7 | 2735 | /* |
a36c61f9 KG |
2736 | * Move IO to fcpim global queue since itnim will be |
2737 | * freed. | |
2738 | */ | |
2739 | list_del(&ioim->qe); | |
2740 | list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); | |
2741 | } | |
2742 | ||
2743 | ||
5fbe25c7 | 2744 | /* |
a36c61f9 KG |
2745 | * Memory allocation and initialization. |
2746 | */ | |
2747 | void | |
4507025d | 2748 | bfa_ioim_attach(struct bfa_fcpim_s *fcpim) |
a36c61f9 KG |
2749 | { |
2750 | struct bfa_ioim_s *ioim; | |
4507025d | 2751 | struct bfa_fcp_mod_s *fcp = fcpim->fcp; |
a36c61f9 KG |
2752 | struct bfa_ioim_sp_s *iosp; |
2753 | u16 i; | |
a36c61f9 | 2754 | |
5fbe25c7 | 2755 | /* |
a36c61f9 KG |
2756 | * claim memory first |
2757 | */ | |
4507025d | 2758 | ioim = (struct bfa_ioim_s *) bfa_mem_kva_curp(fcp); |
a36c61f9 | 2759 | fcpim->ioim_arr = ioim; |
4507025d | 2760 | bfa_mem_kva_curp(fcp) = (u8 *) (ioim + fcpim->fcp->num_ioim_reqs); |
a36c61f9 | 2761 | |
4507025d | 2762 | iosp = (struct bfa_ioim_sp_s *) bfa_mem_kva_curp(fcp); |
a36c61f9 | 2763 | fcpim->ioim_sp_arr = iosp; |
4507025d | 2764 | bfa_mem_kva_curp(fcp) = (u8 *) (iosp + fcpim->fcp->num_ioim_reqs); |
a36c61f9 | 2765 | |
5fbe25c7 | 2766 | /* |
a36c61f9 KG |
2767 | * Initialize ioim free queues |
2768 | */ | |
a36c61f9 KG |
2769 | INIT_LIST_HEAD(&fcpim->ioim_resfree_q); |
2770 | INIT_LIST_HEAD(&fcpim->ioim_comp_q); | |
2771 | ||
e2187d7f KG |
2772 | for (i = 0; i < fcpim->fcp->num_ioim_reqs; |
2773 | i++, ioim++, iosp++) { | |
a36c61f9 KG |
2774 | /* |
2775 | * initialize IOIM | |
2776 | */ | |
6a18b167 | 2777 | memset(ioim, 0, sizeof(struct bfa_ioim_s)); |
a36c61f9 KG |
2778 | ioim->iotag = i; |
2779 | ioim->bfa = fcpim->bfa; | |
2780 | ioim->fcpim = fcpim; | |
2781 | ioim->iosp = iosp; | |
a36c61f9 KG |
2782 | INIT_LIST_HEAD(&ioim->sgpg_q); |
2783 | bfa_reqq_winit(&ioim->iosp->reqq_wait, | |
2784 | bfa_ioim_qresume, ioim); | |
2785 | bfa_sgpg_winit(&ioim->iosp->sgpg_wqe, | |
2786 | bfa_ioim_sgpg_alloced, ioim); | |
2787 | bfa_sm_set_state(ioim, bfa_ioim_sm_uninit); | |
a36c61f9 KG |
2788 | } |
2789 | } | |
2790 | ||
a36c61f9 KG |
2791 | void |
2792 | bfa_ioim_isr(struct bfa_s *bfa, struct bfi_msg_s *m) | |
2793 | { | |
e2187d7f | 2794 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
a36c61f9 KG |
2795 | struct bfi_ioim_rsp_s *rsp = (struct bfi_ioim_rsp_s *) m; |
2796 | struct bfa_ioim_s *ioim; | |
2797 | u16 iotag; | |
2798 | enum bfa_ioim_event evt = BFA_IOIM_SM_COMP; | |
2799 | ||
ba816ea8 | 2800 | iotag = be16_to_cpu(rsp->io_tag); |
a36c61f9 KG |
2801 | |
2802 | ioim = BFA_IOIM_FROM_TAG(fcpim, iotag); | |
d4b671c5 | 2803 | WARN_ON(ioim->iotag != iotag); |
a36c61f9 KG |
2804 | |
2805 | bfa_trc(ioim->bfa, ioim->iotag); | |
2806 | bfa_trc(ioim->bfa, rsp->io_status); | |
2807 | bfa_trc(ioim->bfa, rsp->reuse_io_tag); | |
2808 | ||
2809 | if (bfa_sm_cmp_state(ioim, bfa_ioim_sm_active)) | |
6a18b167 | 2810 | ioim->iosp->comp_rspmsg = *m; |
a36c61f9 KG |
2811 | |
2812 | switch (rsp->io_status) { | |
2813 | case BFI_IOIM_STS_OK: | |
2814 | bfa_stats(ioim->itnim, iocomp_ok); | |
2815 | if (rsp->reuse_io_tag == 0) | |
2816 | evt = BFA_IOIM_SM_DONE; | |
2817 | else | |
2818 | evt = BFA_IOIM_SM_COMP; | |
2819 | break; | |
2820 | ||
2821 | case BFI_IOIM_STS_TIMEDOUT: | |
2822 | bfa_stats(ioim->itnim, iocomp_timedout); | |
2823 | case BFI_IOIM_STS_ABORTED: | |
2824 | rsp->io_status = BFI_IOIM_STS_ABORTED; | |
2825 | bfa_stats(ioim->itnim, iocomp_aborted); | |
2826 | if (rsp->reuse_io_tag == 0) | |
2827 | evt = BFA_IOIM_SM_DONE; | |
2828 | else | |
2829 | evt = BFA_IOIM_SM_COMP; | |
2830 | break; | |
2831 | ||
2832 | case BFI_IOIM_STS_PROTO_ERR: | |
2833 | bfa_stats(ioim->itnim, iocom_proto_err); | |
d4b671c5 | 2834 | WARN_ON(!rsp->reuse_io_tag); |
a36c61f9 KG |
2835 | evt = BFA_IOIM_SM_COMP; |
2836 | break; | |
2837 | ||
2838 | case BFI_IOIM_STS_SQER_NEEDED: | |
2839 | bfa_stats(ioim->itnim, iocom_sqer_needed); | |
d4b671c5 | 2840 | WARN_ON(rsp->reuse_io_tag != 0); |
a36c61f9 KG |
2841 | evt = BFA_IOIM_SM_SQRETRY; |
2842 | break; | |
2843 | ||
2844 | case BFI_IOIM_STS_RES_FREE: | |
2845 | bfa_stats(ioim->itnim, iocom_res_free); | |
2846 | evt = BFA_IOIM_SM_FREE; | |
2847 | break; | |
2848 | ||
2849 | case BFI_IOIM_STS_HOST_ABORTED: | |
2850 | bfa_stats(ioim->itnim, iocom_hostabrts); | |
2851 | if (rsp->abort_tag != ioim->abort_tag) { | |
2852 | bfa_trc(ioim->bfa, rsp->abort_tag); | |
2853 | bfa_trc(ioim->bfa, ioim->abort_tag); | |
2854 | return; | |
2855 | } | |
2856 | ||
2857 | if (rsp->reuse_io_tag) | |
2858 | evt = BFA_IOIM_SM_ABORT_COMP; | |
2859 | else | |
2860 | evt = BFA_IOIM_SM_ABORT_DONE; | |
2861 | break; | |
2862 | ||
2863 | case BFI_IOIM_STS_UTAG: | |
2864 | bfa_stats(ioim->itnim, iocom_utags); | |
2865 | evt = BFA_IOIM_SM_COMP_UTAG; | |
2866 | break; | |
2867 | ||
2868 | default: | |
d4b671c5 | 2869 | WARN_ON(1); |
a36c61f9 KG |
2870 | } |
2871 | ||
2872 | bfa_sm_send_event(ioim, evt); | |
2873 | } | |
2874 | ||
2875 | void | |
2876 | bfa_ioim_good_comp_isr(struct bfa_s *bfa, struct bfi_msg_s *m) | |
2877 | { | |
e2187d7f | 2878 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
a36c61f9 KG |
2879 | struct bfi_ioim_rsp_s *rsp = (struct bfi_ioim_rsp_s *) m; |
2880 | struct bfa_ioim_s *ioim; | |
2881 | u16 iotag; | |
2882 | ||
ba816ea8 | 2883 | iotag = be16_to_cpu(rsp->io_tag); |
a36c61f9 KG |
2884 | |
2885 | ioim = BFA_IOIM_FROM_TAG(fcpim, iotag); | |
1287641e | 2886 | WARN_ON(ioim->iotag != iotag); |
a36c61f9 | 2887 | |
a36c61f9 | 2888 | bfa_ioim_cb_profile_comp(fcpim, ioim); |
83763d59 | 2889 | |
8ca2dd87 | 2890 | bfa_sm_send_event(ioim, BFA_IOIM_SM_COMP_GOOD); |
a36c61f9 KG |
2891 | } |
2892 | ||
5fbe25c7 | 2893 | /* |
a36c61f9 KG |
2894 | * Called by itnim to clean up IO while going offline. |
2895 | */ | |
2896 | void | |
2897 | bfa_ioim_cleanup(struct bfa_ioim_s *ioim) | |
2898 | { | |
2899 | bfa_trc(ioim->bfa, ioim->iotag); | |
2900 | bfa_stats(ioim->itnim, io_cleanups); | |
2901 | ||
2902 | ioim->iosp->tskim = NULL; | |
2903 | bfa_sm_send_event(ioim, BFA_IOIM_SM_CLEANUP); | |
2904 | } | |
2905 | ||
2906 | void | |
2907 | bfa_ioim_cleanup_tm(struct bfa_ioim_s *ioim, struct bfa_tskim_s *tskim) | |
2908 | { | |
2909 | bfa_trc(ioim->bfa, ioim->iotag); | |
2910 | bfa_stats(ioim->itnim, io_tmaborts); | |
2911 | ||
2912 | ioim->iosp->tskim = tskim; | |
2913 | bfa_sm_send_event(ioim, BFA_IOIM_SM_CLEANUP); | |
2914 | } | |
2915 | ||
5fbe25c7 | 2916 | /* |
a36c61f9 KG |
2917 | * IOC failure handling. |
2918 | */ | |
2919 | void | |
2920 | bfa_ioim_iocdisable(struct bfa_ioim_s *ioim) | |
2921 | { | |
2922 | bfa_trc(ioim->bfa, ioim->iotag); | |
2923 | bfa_stats(ioim->itnim, io_iocdowns); | |
2924 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HWFAIL); | |
2925 | } | |
2926 | ||
5fbe25c7 | 2927 | /* |
a36c61f9 KG |
2928 | * IO offline TOV popped. Fail the pending IO. |
2929 | */ | |
2930 | void | |
2931 | bfa_ioim_tov(struct bfa_ioim_s *ioim) | |
2932 | { | |
2933 | bfa_trc(ioim->bfa, ioim->iotag); | |
2934 | bfa_sm_send_event(ioim, BFA_IOIM_SM_IOTOV); | |
2935 | } | |
2936 | ||
2937 | ||
5fbe25c7 | 2938 | /* |
a36c61f9 KG |
2939 | * Allocate IOIM resource for initiator mode I/O request. |
2940 | */ | |
2941 | struct bfa_ioim_s * | |
2942 | bfa_ioim_alloc(struct bfa_s *bfa, struct bfad_ioim_s *dio, | |
2943 | struct bfa_itnim_s *itnim, u16 nsges) | |
2944 | { | |
e2187d7f | 2945 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
a36c61f9 | 2946 | struct bfa_ioim_s *ioim; |
e2187d7f | 2947 | struct bfa_iotag_s *iotag = NULL; |
a36c61f9 | 2948 | |
5fbe25c7 | 2949 | /* |
a36c61f9 KG |
2950 | * alocate IOIM resource |
2951 | */ | |
e2187d7f KG |
2952 | bfa_q_deq(&fcpim->fcp->iotag_ioim_free_q, &iotag); |
2953 | if (!iotag) { | |
a36c61f9 KG |
2954 | bfa_stats(itnim, no_iotags); |
2955 | return NULL; | |
2956 | } | |
2957 | ||
e2187d7f KG |
2958 | ioim = BFA_IOIM_FROM_TAG(fcpim, iotag->tag); |
2959 | ||
a36c61f9 KG |
2960 | ioim->dio = dio; |
2961 | ioim->itnim = itnim; | |
2962 | ioim->nsges = nsges; | |
2963 | ioim->nsgpgs = 0; | |
2964 | ||
2965 | bfa_stats(itnim, total_ios); | |
2966 | fcpim->ios_active++; | |
2967 | ||
2968 | list_add_tail(&ioim->qe, &itnim->io_q); | |
a36c61f9 KG |
2969 | |
2970 | return ioim; | |
2971 | } | |
2972 | ||
2973 | void | |
2974 | bfa_ioim_free(struct bfa_ioim_s *ioim) | |
2975 | { | |
e2187d7f KG |
2976 | struct bfa_fcpim_s *fcpim = ioim->fcpim; |
2977 | struct bfa_iotag_s *iotag; | |
a36c61f9 | 2978 | |
a36c61f9 KG |
2979 | if (ioim->nsgpgs > 0) |
2980 | bfa_sgpg_mfree(ioim->bfa, &ioim->sgpg_q, ioim->nsgpgs); | |
2981 | ||
2982 | bfa_stats(ioim->itnim, io_comps); | |
2983 | fcpim->ios_active--; | |
2984 | ||
15821f05 | 2985 | ioim->iotag &= BFA_IOIM_IOTAG_MASK; |
e2187d7f KG |
2986 | |
2987 | WARN_ON(!(ioim->iotag < | |
2988 | (fcpim->fcp->num_ioim_reqs + fcpim->fcp->num_fwtio_reqs))); | |
2989 | iotag = BFA_IOTAG_FROM_TAG(fcpim->fcp, ioim->iotag); | |
2990 | ||
2991 | if (ioim->iotag < fcpim->fcp->num_ioim_reqs) | |
2992 | list_add_tail(&iotag->qe, &fcpim->fcp->iotag_ioim_free_q); | |
2993 | else | |
2994 | list_add_tail(&iotag->qe, &fcpim->fcp->iotag_tio_free_q); | |
2995 | ||
a36c61f9 | 2996 | list_del(&ioim->qe); |
a36c61f9 KG |
2997 | } |
2998 | ||
2999 | void | |
3000 | bfa_ioim_start(struct bfa_ioim_s *ioim) | |
3001 | { | |
a36c61f9 KG |
3002 | bfa_ioim_cb_profile_start(ioim->fcpim, ioim); |
3003 | ||
5fbe25c7 | 3004 | /* |
a36c61f9 KG |
3005 | * Obtain the queue over which this request has to be issued |
3006 | */ | |
3007 | ioim->reqq = bfa_fcpim_ioredirect_enabled(ioim->bfa) ? | |
f314878a | 3008 | BFA_FALSE : bfa_itnim_get_reqq(ioim); |
a36c61f9 KG |
3009 | |
3010 | bfa_sm_send_event(ioim, BFA_IOIM_SM_START); | |
3011 | } | |
3012 | ||
5fbe25c7 | 3013 | /* |
a36c61f9 KG |
3014 | * Driver I/O abort request. |
3015 | */ | |
3016 | bfa_status_t | |
3017 | bfa_ioim_abort(struct bfa_ioim_s *ioim) | |
3018 | { | |
3019 | ||
3020 | bfa_trc(ioim->bfa, ioim->iotag); | |
3021 | ||
3022 | if (!bfa_ioim_is_abortable(ioim)) | |
3023 | return BFA_STATUS_FAILED; | |
3024 | ||
3025 | bfa_stats(ioim->itnim, io_aborts); | |
3026 | bfa_sm_send_event(ioim, BFA_IOIM_SM_ABORT); | |
3027 | ||
3028 | return BFA_STATUS_OK; | |
3029 | } | |
3030 | ||
5fbe25c7 | 3031 | /* |
a36c61f9 KG |
3032 | * BFA TSKIM state machine functions |
3033 | */ | |
3034 | ||
5fbe25c7 | 3035 | /* |
da99dcc9 | 3036 | * Task management command beginning state. |
a36c61f9 KG |
3037 | */ |
3038 | static void | |
3039 | bfa_tskim_sm_uninit(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) | |
3040 | { | |
1306e31d | 3041 | bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event); |
a36c61f9 KG |
3042 | |
3043 | switch (event) { | |
3044 | case BFA_TSKIM_SM_START: | |
3045 | bfa_sm_set_state(tskim, bfa_tskim_sm_active); | |
3046 | bfa_tskim_gather_ios(tskim); | |
3047 | ||
5fbe25c7 | 3048 | /* |
a36c61f9 KG |
3049 | * If device is offline, do not send TM on wire. Just cleanup |
3050 | * any pending IO requests and complete TM request. | |
3051 | */ | |
3052 | if (!bfa_itnim_is_online(tskim->itnim)) { | |
3053 | bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); | |
3054 | tskim->tsk_status = BFI_TSKIM_STS_OK; | |
3055 | bfa_tskim_cleanup_ios(tskim); | |
3056 | return; | |
3057 | } | |
3058 | ||
3059 | if (!bfa_tskim_send(tskim)) { | |
3060 | bfa_sm_set_state(tskim, bfa_tskim_sm_qfull); | |
3061 | bfa_stats(tskim->itnim, tm_qwait); | |
3062 | bfa_reqq_wait(tskim->bfa, tskim->itnim->reqq, | |
3063 | &tskim->reqq_wait); | |
3064 | } | |
3065 | break; | |
3066 | ||
3067 | default: | |
3068 | bfa_sm_fault(tskim->bfa, event); | |
3069 | } | |
3070 | } | |
3071 | ||
5fbe25c7 | 3072 | /* |
da99dcc9 MZ |
3073 | * TM command is active, awaiting completion from firmware to |
3074 | * cleanup IO requests in TM scope. | |
a36c61f9 KG |
3075 | */ |
3076 | static void | |
3077 | bfa_tskim_sm_active(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) | |
3078 | { | |
1306e31d | 3079 | bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event); |
a36c61f9 KG |
3080 | |
3081 | switch (event) { | |
3082 | case BFA_TSKIM_SM_DONE: | |
3083 | bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); | |
3084 | bfa_tskim_cleanup_ios(tskim); | |
3085 | break; | |
3086 | ||
3087 | case BFA_TSKIM_SM_CLEANUP: | |
3088 | bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup); | |
3089 | if (!bfa_tskim_send_abort(tskim)) { | |
3090 | bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup_qfull); | |
3091 | bfa_stats(tskim->itnim, tm_qwait); | |
3092 | bfa_reqq_wait(tskim->bfa, tskim->itnim->reqq, | |
3093 | &tskim->reqq_wait); | |
3094 | } | |
3095 | break; | |
3096 | ||
3097 | case BFA_TSKIM_SM_HWFAIL: | |
3098 | bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); | |
3099 | bfa_tskim_iocdisable_ios(tskim); | |
3100 | bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); | |
3101 | break; | |
3102 | ||
3103 | default: | |
3104 | bfa_sm_fault(tskim->bfa, event); | |
3105 | } | |
3106 | } | |
3107 | ||
5fbe25c7 | 3108 | /* |
da99dcc9 MZ |
3109 | * An active TM is being cleaned up since ITN is offline. Awaiting cleanup |
3110 | * completion event from firmware. | |
a36c61f9 KG |
3111 | */ |
3112 | static void | |
3113 | bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) | |
3114 | { | |
1306e31d | 3115 | bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event); |
a36c61f9 KG |
3116 | |
3117 | switch (event) { | |
3118 | case BFA_TSKIM_SM_DONE: | |
5fbe25c7 | 3119 | /* |
a36c61f9 KG |
3120 | * Ignore and wait for ABORT completion from firmware. |
3121 | */ | |
3122 | break; | |
3123 | ||
1306e31d | 3124 | case BFA_TSKIM_SM_UTAG: |
a36c61f9 KG |
3125 | case BFA_TSKIM_SM_CLEANUP_DONE: |
3126 | bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); | |
3127 | bfa_tskim_cleanup_ios(tskim); | |
3128 | break; | |
3129 | ||
3130 | case BFA_TSKIM_SM_HWFAIL: | |
3131 | bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); | |
3132 | bfa_tskim_iocdisable_ios(tskim); | |
3133 | bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); | |
3134 | break; | |
3135 | ||
3136 | default: | |
3137 | bfa_sm_fault(tskim->bfa, event); | |
3138 | } | |
3139 | } | |
3140 | ||
3141 | static void | |
3142 | bfa_tskim_sm_iocleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) | |
3143 | { | |
1306e31d | 3144 | bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event); |
a36c61f9 KG |
3145 | |
3146 | switch (event) { | |
3147 | case BFA_TSKIM_SM_IOS_DONE: | |
3148 | bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); | |
3149 | bfa_tskim_qcomp(tskim, __bfa_cb_tskim_done); | |
3150 | break; | |
3151 | ||
3152 | case BFA_TSKIM_SM_CLEANUP: | |
5fbe25c7 | 3153 | /* |
a36c61f9 KG |
3154 | * Ignore, TM command completed on wire. |
3155 | * Notify TM conmpletion on IO cleanup completion. | |
3156 | */ | |
3157 | break; | |
3158 | ||
3159 | case BFA_TSKIM_SM_HWFAIL: | |
3160 | bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); | |
3161 | bfa_tskim_iocdisable_ios(tskim); | |
3162 | bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); | |
3163 | break; | |
3164 | ||
3165 | default: | |
3166 | bfa_sm_fault(tskim->bfa, event); | |
3167 | } | |
3168 | } | |
3169 | ||
5fbe25c7 | 3170 | /* |
da99dcc9 | 3171 | * Task management command is waiting for room in request CQ |
a36c61f9 KG |
3172 | */ |
3173 | static void | |
3174 | bfa_tskim_sm_qfull(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) | |
3175 | { | |
1306e31d | 3176 | bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event); |
a36c61f9 KG |
3177 | |
3178 | switch (event) { | |
3179 | case BFA_TSKIM_SM_QRESUME: | |
3180 | bfa_sm_set_state(tskim, bfa_tskim_sm_active); | |
3181 | bfa_tskim_send(tskim); | |
3182 | break; | |
3183 | ||
3184 | case BFA_TSKIM_SM_CLEANUP: | |
5fbe25c7 | 3185 | /* |
a36c61f9 KG |
3186 | * No need to send TM on wire since ITN is offline. |
3187 | */ | |
3188 | bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); | |
3189 | bfa_reqq_wcancel(&tskim->reqq_wait); | |
3190 | bfa_tskim_cleanup_ios(tskim); | |
3191 | break; | |
3192 | ||
3193 | case BFA_TSKIM_SM_HWFAIL: | |
3194 | bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); | |
3195 | bfa_reqq_wcancel(&tskim->reqq_wait); | |
3196 | bfa_tskim_iocdisable_ios(tskim); | |
3197 | bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); | |
3198 | break; | |
3199 | ||
3200 | default: | |
3201 | bfa_sm_fault(tskim->bfa, event); | |
3202 | } | |
3203 | } | |
3204 | ||
5fbe25c7 | 3205 | /* |
da99dcc9 MZ |
3206 | * Task management command is active, awaiting for room in request CQ |
3207 | * to send clean up request. | |
a36c61f9 KG |
3208 | */ |
3209 | static void | |
3210 | bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim, | |
3211 | enum bfa_tskim_event event) | |
3212 | { | |
1306e31d | 3213 | bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event); |
a36c61f9 KG |
3214 | |
3215 | switch (event) { | |
3216 | case BFA_TSKIM_SM_DONE: | |
3217 | bfa_reqq_wcancel(&tskim->reqq_wait); | |
5fbe25c7 | 3218 | /* |
a36c61f9 KG |
3219 | * Fall through !!! |
3220 | */ | |
a36c61f9 KG |
3221 | case BFA_TSKIM_SM_QRESUME: |
3222 | bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup); | |
3223 | bfa_tskim_send_abort(tskim); | |
3224 | break; | |
3225 | ||
3226 | case BFA_TSKIM_SM_HWFAIL: | |
3227 | bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); | |
3228 | bfa_reqq_wcancel(&tskim->reqq_wait); | |
3229 | bfa_tskim_iocdisable_ios(tskim); | |
3230 | bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); | |
3231 | break; | |
3232 | ||
3233 | default: | |
3234 | bfa_sm_fault(tskim->bfa, event); | |
3235 | } | |
3236 | } | |
3237 | ||
5fbe25c7 | 3238 | /* |
da99dcc9 | 3239 | * BFA callback is pending |
a36c61f9 KG |
3240 | */ |
3241 | static void | |
3242 | bfa_tskim_sm_hcb(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) | |
3243 | { | |
1306e31d | 3244 | bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event); |
a36c61f9 KG |
3245 | |
3246 | switch (event) { | |
3247 | case BFA_TSKIM_SM_HCB: | |
3248 | bfa_sm_set_state(tskim, bfa_tskim_sm_uninit); | |
3249 | bfa_tskim_free(tskim); | |
3250 | break; | |
3251 | ||
3252 | case BFA_TSKIM_SM_CLEANUP: | |
3253 | bfa_tskim_notify_comp(tskim); | |
3254 | break; | |
3255 | ||
3256 | case BFA_TSKIM_SM_HWFAIL: | |
3257 | break; | |
3258 | ||
3259 | default: | |
3260 | bfa_sm_fault(tskim->bfa, event); | |
3261 | } | |
3262 | } | |
3263 | ||
a36c61f9 KG |
3264 | static void |
3265 | __bfa_cb_tskim_done(void *cbarg, bfa_boolean_t complete) | |
3266 | { | |
3267 | struct bfa_tskim_s *tskim = cbarg; | |
3268 | ||
3269 | if (!complete) { | |
3270 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_HCB); | |
3271 | return; | |
3272 | } | |
3273 | ||
3274 | bfa_stats(tskim->itnim, tm_success); | |
3275 | bfa_cb_tskim_done(tskim->bfa->bfad, tskim->dtsk, tskim->tsk_status); | |
3276 | } | |
3277 | ||
3278 | static void | |
3279 | __bfa_cb_tskim_failed(void *cbarg, bfa_boolean_t complete) | |
3280 | { | |
3281 | struct bfa_tskim_s *tskim = cbarg; | |
3282 | ||
3283 | if (!complete) { | |
3284 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_HCB); | |
3285 | return; | |
3286 | } | |
3287 | ||
3288 | bfa_stats(tskim->itnim, tm_failures); | |
3289 | bfa_cb_tskim_done(tskim->bfa->bfad, tskim->dtsk, | |
3290 | BFI_TSKIM_STS_FAILED); | |
3291 | } | |
3292 | ||
da99dcc9 | 3293 | static bfa_boolean_t |
f314878a | 3294 | bfa_tskim_match_scope(struct bfa_tskim_s *tskim, struct scsi_lun lun) |
a36c61f9 KG |
3295 | { |
3296 | switch (tskim->tm_cmnd) { | |
3297 | case FCP_TM_TARGET_RESET: | |
3298 | return BFA_TRUE; | |
3299 | ||
3300 | case FCP_TM_ABORT_TASK_SET: | |
3301 | case FCP_TM_CLEAR_TASK_SET: | |
3302 | case FCP_TM_LUN_RESET: | |
3303 | case FCP_TM_CLEAR_ACA: | |
da99dcc9 | 3304 | return !memcmp(&tskim->lun, &lun, sizeof(lun)); |
a36c61f9 KG |
3305 | |
3306 | default: | |
d4b671c5 | 3307 | WARN_ON(1); |
a36c61f9 KG |
3308 | } |
3309 | ||
3310 | return BFA_FALSE; | |
3311 | } | |
3312 | ||
5fbe25c7 | 3313 | /* |
da99dcc9 | 3314 | * Gather affected IO requests and task management commands. |
a36c61f9 KG |
3315 | */ |
3316 | static void | |
3317 | bfa_tskim_gather_ios(struct bfa_tskim_s *tskim) | |
3318 | { | |
3319 | struct bfa_itnim_s *itnim = tskim->itnim; | |
3320 | struct bfa_ioim_s *ioim; | |
f314878a MZ |
3321 | struct list_head *qe, *qen; |
3322 | struct scsi_cmnd *cmnd; | |
3323 | struct scsi_lun scsilun; | |
a36c61f9 KG |
3324 | |
3325 | INIT_LIST_HEAD(&tskim->io_q); | |
3326 | ||
5fbe25c7 | 3327 | /* |
a36c61f9 KG |
3328 | * Gather any active IO requests first. |
3329 | */ | |
3330 | list_for_each_safe(qe, qen, &itnim->io_q) { | |
3331 | ioim = (struct bfa_ioim_s *) qe; | |
f314878a MZ |
3332 | cmnd = (struct scsi_cmnd *) ioim->dio; |
3333 | int_to_scsilun(cmnd->device->lun, &scsilun); | |
3334 | if (bfa_tskim_match_scope(tskim, scsilun)) { | |
a36c61f9 KG |
3335 | list_del(&ioim->qe); |
3336 | list_add_tail(&ioim->qe, &tskim->io_q); | |
3337 | } | |
3338 | } | |
3339 | ||
5fbe25c7 | 3340 | /* |
a36c61f9 KG |
3341 | * Failback any pending IO requests immediately. |
3342 | */ | |
3343 | list_for_each_safe(qe, qen, &itnim->pending_q) { | |
3344 | ioim = (struct bfa_ioim_s *) qe; | |
f314878a MZ |
3345 | cmnd = (struct scsi_cmnd *) ioim->dio; |
3346 | int_to_scsilun(cmnd->device->lun, &scsilun); | |
3347 | if (bfa_tskim_match_scope(tskim, scsilun)) { | |
a36c61f9 KG |
3348 | list_del(&ioim->qe); |
3349 | list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); | |
3350 | bfa_ioim_tov(ioim); | |
3351 | } | |
3352 | } | |
3353 | } | |
3354 | ||
5fbe25c7 | 3355 | /* |
da99dcc9 | 3356 | * IO cleanup completion |
a36c61f9 KG |
3357 | */ |
3358 | static void | |
3359 | bfa_tskim_cleanp_comp(void *tskim_cbarg) | |
3360 | { | |
3361 | struct bfa_tskim_s *tskim = tskim_cbarg; | |
3362 | ||
3363 | bfa_stats(tskim->itnim, tm_io_comps); | |
3364 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_IOS_DONE); | |
3365 | } | |
3366 | ||
5fbe25c7 | 3367 | /* |
da99dcc9 | 3368 | * Gather affected IO requests and task management commands. |
a36c61f9 KG |
3369 | */ |
3370 | static void | |
3371 | bfa_tskim_cleanup_ios(struct bfa_tskim_s *tskim) | |
3372 | { | |
3373 | struct bfa_ioim_s *ioim; | |
3374 | struct list_head *qe, *qen; | |
3375 | ||
3376 | bfa_wc_init(&tskim->wc, bfa_tskim_cleanp_comp, tskim); | |
3377 | ||
3378 | list_for_each_safe(qe, qen, &tskim->io_q) { | |
3379 | ioim = (struct bfa_ioim_s *) qe; | |
3380 | bfa_wc_up(&tskim->wc); | |
3381 | bfa_ioim_cleanup_tm(ioim, tskim); | |
3382 | } | |
3383 | ||
3384 | bfa_wc_wait(&tskim->wc); | |
3385 | } | |
3386 | ||
5fbe25c7 | 3387 | /* |
da99dcc9 | 3388 | * Send task management request to firmware. |
a36c61f9 KG |
3389 | */ |
3390 | static bfa_boolean_t | |
3391 | bfa_tskim_send(struct bfa_tskim_s *tskim) | |
3392 | { | |
3393 | struct bfa_itnim_s *itnim = tskim->itnim; | |
3394 | struct bfi_tskim_req_s *m; | |
3395 | ||
5fbe25c7 | 3396 | /* |
a36c61f9 KG |
3397 | * check for room in queue to send request now |
3398 | */ | |
3399 | m = bfa_reqq_next(tskim->bfa, itnim->reqq); | |
3400 | if (!m) | |
3401 | return BFA_FALSE; | |
3402 | ||
5fbe25c7 | 3403 | /* |
a36c61f9 KG |
3404 | * build i/o request message next |
3405 | */ | |
3406 | bfi_h2i_set(m->mh, BFI_MC_TSKIM, BFI_TSKIM_H2I_TM_REQ, | |
3fd45980 | 3407 | bfa_fn_lpu(tskim->bfa)); |
a36c61f9 | 3408 | |
ba816ea8 | 3409 | m->tsk_tag = cpu_to_be16(tskim->tsk_tag); |
a36c61f9 KG |
3410 | m->itn_fhdl = tskim->itnim->rport->fw_handle; |
3411 | m->t_secs = tskim->tsecs; | |
3412 | m->lun = tskim->lun; | |
3413 | m->tm_flags = tskim->tm_cmnd; | |
3414 | ||
5fbe25c7 | 3415 | /* |
a36c61f9 KG |
3416 | * queue I/O message to firmware |
3417 | */ | |
3fd45980 | 3418 | bfa_reqq_produce(tskim->bfa, itnim->reqq, m->mh); |
a36c61f9 KG |
3419 | return BFA_TRUE; |
3420 | } | |
3421 | ||
5fbe25c7 | 3422 | /* |
da99dcc9 | 3423 | * Send abort request to cleanup an active TM to firmware. |
a36c61f9 KG |
3424 | */ |
3425 | static bfa_boolean_t | |
3426 | bfa_tskim_send_abort(struct bfa_tskim_s *tskim) | |
3427 | { | |
3428 | struct bfa_itnim_s *itnim = tskim->itnim; | |
3429 | struct bfi_tskim_abortreq_s *m; | |
3430 | ||
5fbe25c7 | 3431 | /* |
a36c61f9 KG |
3432 | * check for room in queue to send request now |
3433 | */ | |
3434 | m = bfa_reqq_next(tskim->bfa, itnim->reqq); | |
3435 | if (!m) | |
3436 | return BFA_FALSE; | |
3437 | ||
5fbe25c7 | 3438 | /* |
a36c61f9 KG |
3439 | * build i/o request message next |
3440 | */ | |
3441 | bfi_h2i_set(m->mh, BFI_MC_TSKIM, BFI_TSKIM_H2I_ABORT_REQ, | |
3fd45980 | 3442 | bfa_fn_lpu(tskim->bfa)); |
a36c61f9 | 3443 | |
ba816ea8 | 3444 | m->tsk_tag = cpu_to_be16(tskim->tsk_tag); |
a36c61f9 | 3445 | |
5fbe25c7 | 3446 | /* |
a36c61f9 KG |
3447 | * queue I/O message to firmware |
3448 | */ | |
3fd45980 | 3449 | bfa_reqq_produce(tskim->bfa, itnim->reqq, m->mh); |
a36c61f9 KG |
3450 | return BFA_TRUE; |
3451 | } | |
3452 | ||
5fbe25c7 | 3453 | /* |
da99dcc9 | 3454 | * Call to resume task management cmnd waiting for room in request queue. |
a36c61f9 KG |
3455 | */ |
3456 | static void | |
3457 | bfa_tskim_qresume(void *cbarg) | |
3458 | { | |
3459 | struct bfa_tskim_s *tskim = cbarg; | |
3460 | ||
3461 | bfa_stats(tskim->itnim, tm_qresumes); | |
3462 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_QRESUME); | |
3463 | } | |
3464 | ||
5fbe25c7 | 3465 | /* |
a36c61f9 KG |
3466 | * Cleanup IOs associated with a task mangement command on IOC failures. |
3467 | */ | |
3468 | static void | |
3469 | bfa_tskim_iocdisable_ios(struct bfa_tskim_s *tskim) | |
3470 | { | |
3471 | struct bfa_ioim_s *ioim; | |
3472 | struct list_head *qe, *qen; | |
3473 | ||
3474 | list_for_each_safe(qe, qen, &tskim->io_q) { | |
3475 | ioim = (struct bfa_ioim_s *) qe; | |
3476 | bfa_ioim_iocdisable(ioim); | |
3477 | } | |
3478 | } | |
3479 | ||
5fbe25c7 | 3480 | /* |
a36c61f9 KG |
3481 | * Notification on completions from related ioim. |
3482 | */ | |
3483 | void | |
3484 | bfa_tskim_iodone(struct bfa_tskim_s *tskim) | |
3485 | { | |
3486 | bfa_wc_down(&tskim->wc); | |
3487 | } | |
3488 | ||
5fbe25c7 | 3489 | /* |
a36c61f9 KG |
3490 | * Handle IOC h/w failure notification from itnim. |
3491 | */ | |
3492 | void | |
3493 | bfa_tskim_iocdisable(struct bfa_tskim_s *tskim) | |
3494 | { | |
3495 | tskim->notify = BFA_FALSE; | |
3496 | bfa_stats(tskim->itnim, tm_iocdowns); | |
3497 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_HWFAIL); | |
3498 | } | |
3499 | ||
5fbe25c7 | 3500 | /* |
a36c61f9 KG |
3501 | * Cleanup TM command and associated IOs as part of ITNIM offline. |
3502 | */ | |
3503 | void | |
3504 | bfa_tskim_cleanup(struct bfa_tskim_s *tskim) | |
3505 | { | |
3506 | tskim->notify = BFA_TRUE; | |
3507 | bfa_stats(tskim->itnim, tm_cleanups); | |
3508 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_CLEANUP); | |
3509 | } | |
3510 | ||
5fbe25c7 | 3511 | /* |
da99dcc9 | 3512 | * Memory allocation and initialization. |
a36c61f9 KG |
3513 | */ |
3514 | void | |
4507025d | 3515 | bfa_tskim_attach(struct bfa_fcpim_s *fcpim) |
a36c61f9 KG |
3516 | { |
3517 | struct bfa_tskim_s *tskim; | |
4507025d | 3518 | struct bfa_fcp_mod_s *fcp = fcpim->fcp; |
a36c61f9 KG |
3519 | u16 i; |
3520 | ||
3521 | INIT_LIST_HEAD(&fcpim->tskim_free_q); | |
3fd45980 | 3522 | INIT_LIST_HEAD(&fcpim->tskim_unused_q); |
a36c61f9 | 3523 | |
4507025d | 3524 | tskim = (struct bfa_tskim_s *) bfa_mem_kva_curp(fcp); |
a36c61f9 KG |
3525 | fcpim->tskim_arr = tskim; |
3526 | ||
3527 | for (i = 0; i < fcpim->num_tskim_reqs; i++, tskim++) { | |
3528 | /* | |
3529 | * initialize TSKIM | |
3530 | */ | |
6a18b167 | 3531 | memset(tskim, 0, sizeof(struct bfa_tskim_s)); |
a36c61f9 KG |
3532 | tskim->tsk_tag = i; |
3533 | tskim->bfa = fcpim->bfa; | |
3534 | tskim->fcpim = fcpim; | |
3535 | tskim->notify = BFA_FALSE; | |
3536 | bfa_reqq_winit(&tskim->reqq_wait, bfa_tskim_qresume, | |
3537 | tskim); | |
3538 | bfa_sm_set_state(tskim, bfa_tskim_sm_uninit); | |
3539 | ||
3540 | list_add_tail(&tskim->qe, &fcpim->tskim_free_q); | |
3541 | } | |
3542 | ||
4507025d | 3543 | bfa_mem_kva_curp(fcp) = (u8 *) tskim; |
a36c61f9 KG |
3544 | } |
3545 | ||
a36c61f9 KG |
3546 | void |
3547 | bfa_tskim_isr(struct bfa_s *bfa, struct bfi_msg_s *m) | |
3548 | { | |
e2187d7f | 3549 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
a36c61f9 KG |
3550 | struct bfi_tskim_rsp_s *rsp = (struct bfi_tskim_rsp_s *) m; |
3551 | struct bfa_tskim_s *tskim; | |
ba816ea8 | 3552 | u16 tsk_tag = be16_to_cpu(rsp->tsk_tag); |
a36c61f9 KG |
3553 | |
3554 | tskim = BFA_TSKIM_FROM_TAG(fcpim, tsk_tag); | |
d4b671c5 | 3555 | WARN_ON(tskim->tsk_tag != tsk_tag); |
a36c61f9 KG |
3556 | |
3557 | tskim->tsk_status = rsp->tsk_status; | |
3558 | ||
5fbe25c7 | 3559 | /* |
a36c61f9 KG |
3560 | * Firmware sends BFI_TSKIM_STS_ABORTED status for abort |
3561 | * requests. All other statuses are for normal completions. | |
3562 | */ | |
3563 | if (rsp->tsk_status == BFI_TSKIM_STS_ABORTED) { | |
3564 | bfa_stats(tskim->itnim, tm_cleanup_comps); | |
3565 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_CLEANUP_DONE); | |
1306e31d KG |
3566 | } else if (rsp->tsk_status == BFI_TSKIM_STS_UTAG) { |
3567 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_UTAG); | |
a36c61f9 KG |
3568 | } else { |
3569 | bfa_stats(tskim->itnim, tm_fw_rsps); | |
3570 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_DONE); | |
3571 | } | |
3572 | } | |
3573 | ||
3574 | ||
a36c61f9 KG |
3575 | struct bfa_tskim_s * |
3576 | bfa_tskim_alloc(struct bfa_s *bfa, struct bfad_tskim_s *dtsk) | |
3577 | { | |
e2187d7f | 3578 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
a36c61f9 KG |
3579 | struct bfa_tskim_s *tskim; |
3580 | ||
3581 | bfa_q_deq(&fcpim->tskim_free_q, &tskim); | |
3582 | ||
3583 | if (tskim) | |
3584 | tskim->dtsk = dtsk; | |
3585 | ||
3586 | return tskim; | |
3587 | } | |
3588 | ||
3589 | void | |
3590 | bfa_tskim_free(struct bfa_tskim_s *tskim) | |
3591 | { | |
d4b671c5 | 3592 | WARN_ON(!bfa_q_is_on_q_func(&tskim->itnim->tsk_q, &tskim->qe)); |
a36c61f9 KG |
3593 | list_del(&tskim->qe); |
3594 | list_add_tail(&tskim->qe, &tskim->fcpim->tskim_free_q); | |
3595 | } | |
3596 | ||
5fbe25c7 | 3597 | /* |
da99dcc9 | 3598 | * Start a task management command. |
a36c61f9 KG |
3599 | * |
3600 | * @param[in] tskim BFA task management command instance | |
3601 | * @param[in] itnim i-t nexus for the task management command | |
3602 | * @param[in] lun lun, if applicable | |
3603 | * @param[in] tm_cmnd Task management command code. | |
3604 | * @param[in] t_secs Timeout in seconds | |
3605 | * | |
3606 | * @return None. | |
3607 | */ | |
3608 | void | |
f314878a MZ |
3609 | bfa_tskim_start(struct bfa_tskim_s *tskim, struct bfa_itnim_s *itnim, |
3610 | struct scsi_lun lun, | |
a36c61f9 KG |
3611 | enum fcp_tm_cmnd tm_cmnd, u8 tsecs) |
3612 | { | |
3613 | tskim->itnim = itnim; | |
3614 | tskim->lun = lun; | |
3615 | tskim->tm_cmnd = tm_cmnd; | |
3616 | tskim->tsecs = tsecs; | |
3617 | tskim->notify = BFA_FALSE; | |
3618 | bfa_stats(itnim, tm_cmnds); | |
3619 | ||
3620 | list_add_tail(&tskim->qe, &itnim->tsk_q); | |
3621 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_START); | |
3622 | } | |
e2187d7f | 3623 | |
3fd45980 KG |
3624 | void |
3625 | bfa_tskim_res_recfg(struct bfa_s *bfa, u16 num_tskim_fw) | |
3626 | { | |
3627 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); | |
3628 | struct list_head *qe; | |
3629 | int i; | |
3630 | ||
3631 | for (i = 0; i < (fcpim->num_tskim_reqs - num_tskim_fw); i++) { | |
3632 | bfa_q_deq_tail(&fcpim->tskim_free_q, &qe); | |
3633 | list_add_tail(qe, &fcpim->tskim_unused_q); | |
3634 | } | |
3635 | } | |
3636 | ||
e2187d7f KG |
3637 | /* BFA FCP module - parent module for fcpim */ |
3638 | ||
3639 | BFA_MODULE(fcp); | |
3640 | ||
3641 | static void | |
4507025d KG |
3642 | bfa_fcp_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo, |
3643 | struct bfa_s *bfa) | |
e2187d7f | 3644 | { |
4507025d KG |
3645 | struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); |
3646 | struct bfa_mem_kva_s *fcp_kva = BFA_MEM_FCP_KVA(bfa); | |
3647 | struct bfa_mem_dma_s *seg_ptr; | |
3648 | u16 nsegs, idx, per_seg_ios, num_io_req; | |
3649 | u32 km_len = 0; | |
e2187d7f KG |
3650 | |
3651 | /* | |
3652 | * ZERO for num_ioim_reqs and num_fwtio_reqs is allowed config value. | |
3653 | * So if the values are non zero, adjust them appropriately. | |
3654 | */ | |
3655 | if (cfg->fwcfg.num_ioim_reqs && | |
3656 | cfg->fwcfg.num_ioim_reqs < BFA_IOIM_MIN) | |
3657 | cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MIN; | |
3658 | else if (cfg->fwcfg.num_ioim_reqs > BFA_IOIM_MAX) | |
3659 | cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MAX; | |
3660 | ||
3661 | if (cfg->fwcfg.num_fwtio_reqs > BFA_FWTIO_MAX) | |
3662 | cfg->fwcfg.num_fwtio_reqs = BFA_FWTIO_MAX; | |
3663 | ||
3664 | num_io_req = (cfg->fwcfg.num_ioim_reqs + cfg->fwcfg.num_fwtio_reqs); | |
3665 | if (num_io_req > BFA_IO_MAX) { | |
3666 | if (cfg->fwcfg.num_ioim_reqs && cfg->fwcfg.num_fwtio_reqs) { | |
3667 | cfg->fwcfg.num_ioim_reqs = BFA_IO_MAX/2; | |
3668 | cfg->fwcfg.num_fwtio_reqs = BFA_IO_MAX/2; | |
3669 | } else if (cfg->fwcfg.num_fwtio_reqs) | |
3670 | cfg->fwcfg.num_fwtio_reqs = BFA_FWTIO_MAX; | |
3671 | else | |
3672 | cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MAX; | |
3673 | } | |
3674 | ||
4507025d | 3675 | bfa_fcpim_meminfo(cfg, &km_len); |
e2187d7f KG |
3676 | |
3677 | num_io_req = (cfg->fwcfg.num_ioim_reqs + cfg->fwcfg.num_fwtio_reqs); | |
4507025d KG |
3678 | km_len += num_io_req * sizeof(struct bfa_iotag_s); |
3679 | km_len += cfg->fwcfg.num_rports * sizeof(struct bfa_itn_s); | |
3680 | ||
3681 | /* dma memory */ | |
3682 | nsegs = BFI_MEM_DMA_NSEGS(num_io_req, BFI_IOIM_SNSLEN); | |
3683 | per_seg_ios = BFI_MEM_NREQS_SEG(BFI_IOIM_SNSLEN); | |
3684 | ||
3685 | bfa_mem_dma_seg_iter(fcp, seg_ptr, nsegs, idx) { | |
3686 | if (num_io_req >= per_seg_ios) { | |
3687 | num_io_req -= per_seg_ios; | |
3688 | bfa_mem_dma_setup(minfo, seg_ptr, | |
3689 | per_seg_ios * BFI_IOIM_SNSLEN); | |
3690 | } else | |
3691 | bfa_mem_dma_setup(minfo, seg_ptr, | |
3692 | num_io_req * BFI_IOIM_SNSLEN); | |
3693 | } | |
3694 | ||
3695 | /* kva memory */ | |
3696 | bfa_mem_kva_setup(minfo, fcp_kva, km_len); | |
e2187d7f KG |
3697 | } |
3698 | ||
3699 | static void | |
3700 | bfa_fcp_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, | |
4507025d | 3701 | struct bfa_pcidev_s *pcidev) |
e2187d7f KG |
3702 | { |
3703 | struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); | |
4507025d KG |
3704 | struct bfa_mem_dma_s *seg_ptr; |
3705 | u16 idx, nsegs, num_io_req; | |
e2187d7f | 3706 | |
7ace27ae | 3707 | fcp->max_ioim_reqs = cfg->fwcfg.num_ioim_reqs; |
e2187d7f KG |
3708 | fcp->num_ioim_reqs = cfg->fwcfg.num_ioim_reqs; |
3709 | fcp->num_fwtio_reqs = cfg->fwcfg.num_fwtio_reqs; | |
4507025d | 3710 | fcp->num_itns = cfg->fwcfg.num_rports; |
e2187d7f KG |
3711 | fcp->bfa = bfa; |
3712 | ||
4507025d KG |
3713 | /* |
3714 | * Setup the pool of snsbase addr's, that is passed to fw as | |
3715 | * part of bfi_iocfc_cfg_s. | |
3716 | */ | |
3717 | num_io_req = (cfg->fwcfg.num_ioim_reqs + cfg->fwcfg.num_fwtio_reqs); | |
3718 | nsegs = BFI_MEM_DMA_NSEGS(num_io_req, BFI_IOIM_SNSLEN); | |
3719 | ||
3720 | bfa_mem_dma_seg_iter(fcp, seg_ptr, nsegs, idx) { | |
3721 | ||
3722 | if (!bfa_mem_dma_virt(seg_ptr)) | |
3723 | break; | |
3724 | ||
3725 | fcp->snsbase[idx].pa = bfa_mem_dma_phys(seg_ptr); | |
3726 | fcp->snsbase[idx].kva = bfa_mem_dma_virt(seg_ptr); | |
3727 | bfa_iocfc_set_snsbase(bfa, idx, fcp->snsbase[idx].pa); | |
3728 | } | |
e2187d7f | 3729 | |
7ace27ae | 3730 | fcp->throttle_update_required = 1; |
4507025d | 3731 | bfa_fcpim_attach(fcp, bfad, cfg, pcidev); |
e2187d7f | 3732 | |
4507025d | 3733 | bfa_iotag_attach(fcp); |
e2187d7f | 3734 | |
4507025d KG |
3735 | fcp->itn_arr = (struct bfa_itn_s *) bfa_mem_kva_curp(fcp); |
3736 | bfa_mem_kva_curp(fcp) = (u8 *)fcp->itn_arr + | |
e2187d7f KG |
3737 | (fcp->num_itns * sizeof(struct bfa_itn_s)); |
3738 | memset(fcp->itn_arr, 0, | |
3739 | (fcp->num_itns * sizeof(struct bfa_itn_s))); | |
e2187d7f KG |
3740 | } |
3741 | ||
3742 | static void | |
3743 | bfa_fcp_detach(struct bfa_s *bfa) | |
3744 | { | |
3745 | } | |
3746 | ||
3747 | static void | |
3748 | bfa_fcp_start(struct bfa_s *bfa) | |
3749 | { | |
83763d59 KG |
3750 | struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); |
3751 | ||
3752 | /* | |
3753 | * bfa_init() with flash read is complete. now invalidate the stale | |
3754 | * content of lun mask like unit attention, rp tag and lp tag. | |
3755 | */ | |
3756 | bfa_ioim_lm_init(fcp->bfa); | |
e2187d7f KG |
3757 | } |
3758 | ||
3759 | static void | |
3760 | bfa_fcp_stop(struct bfa_s *bfa) | |
3761 | { | |
3762 | } | |
3763 | ||
3764 | static void | |
3765 | bfa_fcp_iocdisable(struct bfa_s *bfa) | |
3766 | { | |
3767 | struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); | |
3768 | ||
3769 | bfa_fcpim_iocdisable(fcp); | |
3770 | } | |
3771 | ||
3fd45980 | 3772 | void |
7ace27ae | 3773 | bfa_fcp_res_recfg(struct bfa_s *bfa, u16 num_ioim_fw, u16 max_ioim_fw) |
3fd45980 KG |
3774 | { |
3775 | struct bfa_fcp_mod_s *mod = BFA_FCP_MOD(bfa); | |
3776 | struct list_head *qe; | |
3777 | int i; | |
3778 | ||
7ace27ae KG |
3779 | /* Update io throttle value only once during driver load time */ |
3780 | if (!mod->throttle_update_required) | |
3781 | return; | |
3782 | ||
3fd45980 KG |
3783 | for (i = 0; i < (mod->num_ioim_reqs - num_ioim_fw); i++) { |
3784 | bfa_q_deq_tail(&mod->iotag_ioim_free_q, &qe); | |
3785 | list_add_tail(qe, &mod->iotag_unused_q); | |
3786 | } | |
7ace27ae KG |
3787 | |
3788 | if (mod->num_ioim_reqs != num_ioim_fw) { | |
3789 | bfa_trc(bfa, mod->num_ioim_reqs); | |
3790 | bfa_trc(bfa, num_ioim_fw); | |
3791 | } | |
3792 | ||
3793 | mod->max_ioim_reqs = max_ioim_fw; | |
3794 | mod->num_ioim_reqs = num_ioim_fw; | |
3795 | mod->throttle_update_required = 0; | |
3fd45980 KG |
3796 | } |
3797 | ||
e2187d7f KG |
3798 | void |
3799 | bfa_itn_create(struct bfa_s *bfa, struct bfa_rport_s *rport, | |
3800 | void (*isr)(struct bfa_s *bfa, struct bfi_msg_s *m)) | |
3801 | { | |
3802 | struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); | |
3803 | struct bfa_itn_s *itn; | |
3804 | ||
3805 | itn = BFA_ITN_FROM_TAG(fcp, rport->rport_tag); | |
3806 | itn->isr = isr; | |
3807 | } | |
3808 | ||
3809 | /* | |
3810 | * Itn interrupt processing. | |
3811 | */ | |
3812 | void | |
3813 | bfa_itn_isr(struct bfa_s *bfa, struct bfi_msg_s *m) | |
3814 | { | |
3815 | struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); | |
3816 | union bfi_itn_i2h_msg_u msg; | |
3817 | struct bfa_itn_s *itn; | |
3818 | ||
3819 | msg.msg = m; | |
3820 | itn = BFA_ITN_FROM_TAG(fcp, msg.create_rsp->bfa_handle); | |
3821 | ||
3822 | if (itn->isr) | |
3823 | itn->isr(bfa, m); | |
3824 | else | |
3825 | WARN_ON(1); | |
3826 | } | |
3827 | ||
3828 | void | |
4507025d | 3829 | bfa_iotag_attach(struct bfa_fcp_mod_s *fcp) |
e2187d7f KG |
3830 | { |
3831 | struct bfa_iotag_s *iotag; | |
3832 | u16 num_io_req, i; | |
3833 | ||
4507025d | 3834 | iotag = (struct bfa_iotag_s *) bfa_mem_kva_curp(fcp); |
e2187d7f KG |
3835 | fcp->iotag_arr = iotag; |
3836 | ||
3837 | INIT_LIST_HEAD(&fcp->iotag_ioim_free_q); | |
3838 | INIT_LIST_HEAD(&fcp->iotag_tio_free_q); | |
3fd45980 | 3839 | INIT_LIST_HEAD(&fcp->iotag_unused_q); |
e2187d7f KG |
3840 | |
3841 | num_io_req = fcp->num_ioim_reqs + fcp->num_fwtio_reqs; | |
3842 | for (i = 0; i < num_io_req; i++, iotag++) { | |
3843 | memset(iotag, 0, sizeof(struct bfa_iotag_s)); | |
3844 | iotag->tag = i; | |
3845 | if (i < fcp->num_ioim_reqs) | |
3846 | list_add_tail(&iotag->qe, &fcp->iotag_ioim_free_q); | |
3847 | else | |
3848 | list_add_tail(&iotag->qe, &fcp->iotag_tio_free_q); | |
3849 | } | |
3850 | ||
4507025d | 3851 | bfa_mem_kva_curp(fcp) = (u8 *) iotag; |
e2187d7f | 3852 | } |
7ace27ae KG |
3853 | |
3854 | ||
3855 | /** | |
3856 | * To send config req, first try to use throttle value from flash | |
3857 | * If 0, then use driver parameter | |
3858 | * We need to use min(flash_val, drv_val) because | |
3859 | * memory allocation was done based on this cfg'd value | |
3860 | */ | |
3861 | u16 | |
3862 | bfa_fcpim_get_throttle_cfg(struct bfa_s *bfa, u16 drv_cfg_param) | |
3863 | { | |
3864 | u16 tmp; | |
3865 | struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); | |
3866 | ||
3867 | /* | |
3868 | * If throttle value from flash is already in effect after driver is | |
3869 | * loaded then until next load, always return current value instead | |
3870 | * of actual flash value | |
3871 | */ | |
3872 | if (!fcp->throttle_update_required) | |
3873 | return (u16)fcp->num_ioim_reqs; | |
3874 | ||
3875 | tmp = bfa_dconf_read_data_valid(bfa) ? bfa_fcpim_read_throttle(bfa) : 0; | |
3876 | if (!tmp || (tmp > drv_cfg_param)) | |
3877 | tmp = drv_cfg_param; | |
3878 | ||
3879 | return tmp; | |
3880 | } | |
3881 | ||
3882 | bfa_status_t | |
3883 | bfa_fcpim_write_throttle(struct bfa_s *bfa, u16 value) | |
3884 | { | |
3885 | if (!bfa_dconf_get_min_cfg(bfa)) { | |
3886 | BFA_DCONF_MOD(bfa)->dconf->throttle_cfg.value = value; | |
3887 | BFA_DCONF_MOD(bfa)->dconf->throttle_cfg.is_valid = 1; | |
3888 | return BFA_STATUS_OK; | |
3889 | } | |
3890 | ||
3891 | return BFA_STATUS_FAILED; | |
3892 | } | |
3893 | ||
3894 | u16 | |
3895 | bfa_fcpim_read_throttle(struct bfa_s *bfa) | |
3896 | { | |
3897 | struct bfa_throttle_cfg_s *throttle_cfg = | |
3898 | &(BFA_DCONF_MOD(bfa)->dconf->throttle_cfg); | |
3899 | ||
3900 | return ((!bfa_dconf_get_min_cfg(bfa)) ? | |
3901 | ((throttle_cfg->is_valid == 1) ? (throttle_cfg->value) : 0) : 0); | |
3902 | } | |
3903 | ||
3904 | bfa_status_t | |
3905 | bfa_fcpim_throttle_set(struct bfa_s *bfa, u16 value) | |
3906 | { | |
3907 | /* in min cfg no commands should run. */ | |
3908 | if ((bfa_dconf_get_min_cfg(bfa) == BFA_TRUE) || | |
3909 | (!bfa_dconf_read_data_valid(bfa))) | |
3910 | return BFA_STATUS_FAILED; | |
3911 | ||
3912 | bfa_fcpim_write_throttle(bfa, value); | |
3913 | ||
3914 | return bfa_dconf_update(bfa); | |
3915 | } | |
3916 | ||
3917 | bfa_status_t | |
3918 | bfa_fcpim_throttle_get(struct bfa_s *bfa, void *buf) | |
3919 | { | |
3920 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); | |
3921 | struct bfa_defs_fcpim_throttle_s throttle; | |
3922 | ||
3923 | if ((bfa_dconf_get_min_cfg(bfa) == BFA_TRUE) || | |
3924 | (!bfa_dconf_read_data_valid(bfa))) | |
3925 | return BFA_STATUS_FAILED; | |
3926 | ||
3927 | memset(&throttle, 0, sizeof(struct bfa_defs_fcpim_throttle_s)); | |
3928 | ||
3929 | throttle.cur_value = (u16)(fcpim->fcp->num_ioim_reqs); | |
3930 | throttle.cfg_value = bfa_fcpim_read_throttle(bfa); | |
3931 | if (!throttle.cfg_value) | |
3932 | throttle.cfg_value = throttle.cur_value; | |
3933 | throttle.max_value = (u16)(fcpim->fcp->max_ioim_reqs); | |
3934 | memcpy(buf, &throttle, sizeof(struct bfa_defs_fcpim_throttle_s)); | |
3935 | ||
3936 | return BFA_STATUS_OK; | |
3937 | } |