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