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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 | ||
a36c61f9 KG |
18 | #include "bfa_modules.h" |
19 | #include "bfa_cb_ioim.h" | |
7725ccfd JH |
20 | |
21 | BFA_TRC_FILE(HAL, FCPIM); | |
22 | BFA_MODULE(fcpim); | |
23 | ||
a36c61f9 KG |
24 | |
25 | #define bfa_fcpim_add_iostats(__l, __r, __stats) \ | |
26 | (__l->__stats += __r->__stats) | |
27 | ||
28 | ||
29 | /** | |
30 | * BFA ITNIM Related definitions | |
31 | */ | |
32 | static void bfa_itnim_update_del_itn_stats(struct bfa_itnim_s *itnim); | |
33 | ||
34 | #define BFA_ITNIM_FROM_TAG(_fcpim, _tag) \ | |
35 | (((_fcpim)->itnim_arr + ((_tag) & ((_fcpim)->num_itnims - 1)))) | |
36 | ||
37 | #define bfa_fcpim_additn(__itnim) \ | |
38 | list_add_tail(&(__itnim)->qe, &(__itnim)->fcpim->itnim_q) | |
39 | #define bfa_fcpim_delitn(__itnim) do { \ | |
40 | bfa_assert(bfa_q_is_on_q(&(__itnim)->fcpim->itnim_q, __itnim)); \ | |
41 | bfa_itnim_update_del_itn_stats(__itnim); \ | |
42 | list_del(&(__itnim)->qe); \ | |
43 | bfa_assert(list_empty(&(__itnim)->io_q)); \ | |
44 | bfa_assert(list_empty(&(__itnim)->io_cleanup_q)); \ | |
45 | bfa_assert(list_empty(&(__itnim)->pending_q)); \ | |
46 | } while (0) | |
47 | ||
48 | #define bfa_itnim_online_cb(__itnim) do { \ | |
49 | if ((__itnim)->bfa->fcs) \ | |
50 | bfa_cb_itnim_online((__itnim)->ditn); \ | |
51 | else { \ | |
52 | bfa_cb_queue((__itnim)->bfa, &(__itnim)->hcb_qe, \ | |
53 | __bfa_cb_itnim_online, (__itnim)); \ | |
54 | } \ | |
55 | } while (0) | |
56 | ||
57 | #define bfa_itnim_offline_cb(__itnim) do { \ | |
58 | if ((__itnim)->bfa->fcs) \ | |
59 | bfa_cb_itnim_offline((__itnim)->ditn); \ | |
60 | else { \ | |
61 | bfa_cb_queue((__itnim)->bfa, &(__itnim)->hcb_qe, \ | |
62 | __bfa_cb_itnim_offline, (__itnim)); \ | |
63 | } \ | |
64 | } while (0) | |
65 | ||
66 | #define bfa_itnim_sler_cb(__itnim) do { \ | |
67 | if ((__itnim)->bfa->fcs) \ | |
68 | bfa_cb_itnim_sler((__itnim)->ditn); \ | |
69 | else { \ | |
70 | bfa_cb_queue((__itnim)->bfa, &(__itnim)->hcb_qe, \ | |
71 | __bfa_cb_itnim_sler, (__itnim)); \ | |
72 | } \ | |
73 | } while (0) | |
74 | ||
75 | /** | |
76 | * bfa_itnim_sm BFA itnim state machine | |
77 | */ | |
78 | ||
79 | ||
80 | enum bfa_itnim_event { | |
81 | BFA_ITNIM_SM_CREATE = 1, /* itnim is created */ | |
82 | BFA_ITNIM_SM_ONLINE = 2, /* itnim is online */ | |
83 | BFA_ITNIM_SM_OFFLINE = 3, /* itnim is offline */ | |
84 | BFA_ITNIM_SM_FWRSP = 4, /* firmware response */ | |
85 | BFA_ITNIM_SM_DELETE = 5, /* deleting an existing itnim */ | |
86 | BFA_ITNIM_SM_CLEANUP = 6, /* IO cleanup completion */ | |
87 | BFA_ITNIM_SM_SLER = 7, /* second level error recovery */ | |
88 | BFA_ITNIM_SM_HWFAIL = 8, /* IOC h/w failure event */ | |
89 | BFA_ITNIM_SM_QRESUME = 9, /* queue space available */ | |
90 | }; | |
91 | ||
92 | /** | |
93 | * BFA IOIM related definitions | |
94 | */ | |
95 | #define bfa_ioim_move_to_comp_q(__ioim) do { \ | |
96 | list_del(&(__ioim)->qe); \ | |
97 | list_add_tail(&(__ioim)->qe, &(__ioim)->fcpim->ioim_comp_q); \ | |
98 | } while (0) | |
99 | ||
100 | ||
101 | #define bfa_ioim_cb_profile_comp(__fcpim, __ioim) do { \ | |
102 | if ((__fcpim)->profile_comp) \ | |
103 | (__fcpim)->profile_comp(__ioim); \ | |
104 | } while (0) | |
105 | ||
106 | #define bfa_ioim_cb_profile_start(__fcpim, __ioim) do { \ | |
107 | if ((__fcpim)->profile_start) \ | |
108 | (__fcpim)->profile_start(__ioim); \ | |
109 | } while (0) | |
110 | /** | |
111 | * hal_ioim_sm | |
112 | */ | |
113 | ||
114 | /** | |
115 | * IO state machine events | |
116 | */ | |
117 | enum bfa_ioim_event { | |
118 | BFA_IOIM_SM_START = 1, /* io start request from host */ | |
119 | BFA_IOIM_SM_COMP_GOOD = 2, /* io good comp, resource free */ | |
120 | BFA_IOIM_SM_COMP = 3, /* io comp, resource is free */ | |
121 | BFA_IOIM_SM_COMP_UTAG = 4, /* io comp, resource is free */ | |
122 | BFA_IOIM_SM_DONE = 5, /* io comp, resource not free */ | |
123 | BFA_IOIM_SM_FREE = 6, /* io resource is freed */ | |
124 | BFA_IOIM_SM_ABORT = 7, /* abort request from scsi stack */ | |
125 | BFA_IOIM_SM_ABORT_COMP = 8, /* abort from f/w */ | |
126 | BFA_IOIM_SM_ABORT_DONE = 9, /* abort completion from f/w */ | |
127 | BFA_IOIM_SM_QRESUME = 10, /* CQ space available to queue IO */ | |
128 | BFA_IOIM_SM_SGALLOCED = 11, /* SG page allocation successful */ | |
129 | BFA_IOIM_SM_SQRETRY = 12, /* sequence recovery retry */ | |
130 | BFA_IOIM_SM_HCB = 13, /* bfa callback complete */ | |
131 | BFA_IOIM_SM_CLEANUP = 14, /* IO cleanup from itnim */ | |
132 | BFA_IOIM_SM_TMSTART = 15, /* IO cleanup from tskim */ | |
133 | BFA_IOIM_SM_TMDONE = 16, /* IO cleanup from tskim */ | |
134 | BFA_IOIM_SM_HWFAIL = 17, /* IOC h/w failure event */ | |
135 | BFA_IOIM_SM_IOTOV = 18, /* ITN offline TOV */ | |
136 | }; | |
137 | ||
138 | ||
139 | /** | |
140 | * BFA TSKIM related definitions | |
141 | */ | |
142 | ||
143 | /** | |
144 | * task management completion handling | |
145 | */ | |
146 | #define bfa_tskim_qcomp(__tskim, __cbfn) do { \ | |
147 | bfa_cb_queue((__tskim)->bfa, &(__tskim)->hcb_qe, __cbfn, (__tskim));\ | |
148 | bfa_tskim_notify_comp(__tskim); \ | |
149 | } while (0) | |
150 | ||
151 | #define bfa_tskim_notify_comp(__tskim) do { \ | |
152 | if ((__tskim)->notify) \ | |
153 | bfa_itnim_tskdone((__tskim)->itnim); \ | |
154 | } while (0) | |
155 | ||
156 | ||
157 | enum bfa_tskim_event { | |
158 | BFA_TSKIM_SM_START = 1, /* TM command start */ | |
159 | BFA_TSKIM_SM_DONE = 2, /* TM completion */ | |
160 | BFA_TSKIM_SM_QRESUME = 3, /* resume after qfull */ | |
161 | BFA_TSKIM_SM_HWFAIL = 5, /* IOC h/w failure event */ | |
162 | BFA_TSKIM_SM_HCB = 6, /* BFA callback completion */ | |
163 | BFA_TSKIM_SM_IOS_DONE = 7, /* IO and sub TM completions */ | |
164 | BFA_TSKIM_SM_CLEANUP = 8, /* TM cleanup on ITN offline */ | |
165 | BFA_TSKIM_SM_CLEANUP_DONE = 9, /* TM abort completion */ | |
166 | }; | |
167 | ||
168 | /** | |
169 | * forward declaration for BFA ITNIM functions | |
170 | */ | |
171 | static void bfa_itnim_iocdisable_cleanup(struct bfa_itnim_s *itnim); | |
172 | static bfa_boolean_t bfa_itnim_send_fwcreate(struct bfa_itnim_s *itnim); | |
173 | static bfa_boolean_t bfa_itnim_send_fwdelete(struct bfa_itnim_s *itnim); | |
174 | static void bfa_itnim_cleanp_comp(void *itnim_cbarg); | |
175 | static void bfa_itnim_cleanup(struct bfa_itnim_s *itnim); | |
176 | static void __bfa_cb_itnim_online(void *cbarg, bfa_boolean_t complete); | |
177 | static void __bfa_cb_itnim_offline(void *cbarg, bfa_boolean_t complete); | |
178 | static void __bfa_cb_itnim_sler(void *cbarg, bfa_boolean_t complete); | |
179 | static void bfa_itnim_iotov_online(struct bfa_itnim_s *itnim); | |
180 | static void bfa_itnim_iotov_cleanup(struct bfa_itnim_s *itnim); | |
181 | static void bfa_itnim_iotov(void *itnim_arg); | |
182 | static void bfa_itnim_iotov_start(struct bfa_itnim_s *itnim); | |
183 | static void bfa_itnim_iotov_stop(struct bfa_itnim_s *itnim); | |
184 | static void bfa_itnim_iotov_delete(struct bfa_itnim_s *itnim); | |
185 | ||
186 | /** | |
187 | * forward declaration of ITNIM state machine | |
188 | */ | |
189 | static void bfa_itnim_sm_uninit(struct bfa_itnim_s *itnim, | |
190 | enum bfa_itnim_event event); | |
191 | static void bfa_itnim_sm_created(struct bfa_itnim_s *itnim, | |
192 | enum bfa_itnim_event event); | |
193 | static void bfa_itnim_sm_fwcreate(struct bfa_itnim_s *itnim, | |
194 | enum bfa_itnim_event event); | |
195 | static void bfa_itnim_sm_delete_pending(struct bfa_itnim_s *itnim, | |
196 | enum bfa_itnim_event event); | |
197 | static void bfa_itnim_sm_online(struct bfa_itnim_s *itnim, | |
198 | enum bfa_itnim_event event); | |
199 | static void bfa_itnim_sm_sler(struct bfa_itnim_s *itnim, | |
200 | enum bfa_itnim_event event); | |
201 | static void bfa_itnim_sm_cleanup_offline(struct bfa_itnim_s *itnim, | |
202 | enum bfa_itnim_event event); | |
203 | static void bfa_itnim_sm_cleanup_delete(struct bfa_itnim_s *itnim, | |
204 | enum bfa_itnim_event event); | |
205 | static void bfa_itnim_sm_fwdelete(struct bfa_itnim_s *itnim, | |
206 | enum bfa_itnim_event event); | |
207 | static void bfa_itnim_sm_offline(struct bfa_itnim_s *itnim, | |
208 | enum bfa_itnim_event event); | |
209 | static void bfa_itnim_sm_iocdisable(struct bfa_itnim_s *itnim, | |
210 | enum bfa_itnim_event event); | |
211 | static void bfa_itnim_sm_deleting(struct bfa_itnim_s *itnim, | |
212 | enum bfa_itnim_event event); | |
213 | static void bfa_itnim_sm_fwcreate_qfull(struct bfa_itnim_s *itnim, | |
214 | enum bfa_itnim_event event); | |
215 | static void bfa_itnim_sm_fwdelete_qfull(struct bfa_itnim_s *itnim, | |
216 | enum bfa_itnim_event event); | |
217 | static void bfa_itnim_sm_deleting_qfull(struct bfa_itnim_s *itnim, | |
218 | enum bfa_itnim_event event); | |
219 | ||
220 | /** | |
221 | * forward declaration for BFA IOIM functions | |
222 | */ | |
223 | static bfa_boolean_t bfa_ioim_send_ioreq(struct bfa_ioim_s *ioim); | |
224 | static bfa_boolean_t bfa_ioim_sge_setup(struct bfa_ioim_s *ioim); | |
225 | static void bfa_ioim_sgpg_setup(struct bfa_ioim_s *ioim); | |
226 | static bfa_boolean_t bfa_ioim_send_abort(struct bfa_ioim_s *ioim); | |
227 | static void bfa_ioim_notify_cleanup(struct bfa_ioim_s *ioim); | |
228 | static void __bfa_cb_ioim_good_comp(void *cbarg, bfa_boolean_t complete); | |
229 | static void __bfa_cb_ioim_comp(void *cbarg, bfa_boolean_t complete); | |
230 | static void __bfa_cb_ioim_abort(void *cbarg, bfa_boolean_t complete); | |
231 | static void __bfa_cb_ioim_failed(void *cbarg, bfa_boolean_t complete); | |
232 | static void __bfa_cb_ioim_pathtov(void *cbarg, bfa_boolean_t complete); | |
233 | static bfa_boolean_t bfa_ioim_is_abortable(struct bfa_ioim_s *ioim); | |
234 | ||
235 | ||
236 | /** | |
237 | * forward declaration of BFA IO state machine | |
238 | */ | |
239 | static void bfa_ioim_sm_uninit(struct bfa_ioim_s *ioim, | |
240 | enum bfa_ioim_event event); | |
241 | static void bfa_ioim_sm_sgalloc(struct bfa_ioim_s *ioim, | |
242 | enum bfa_ioim_event event); | |
243 | static void bfa_ioim_sm_active(struct bfa_ioim_s *ioim, | |
244 | enum bfa_ioim_event event); | |
245 | static void bfa_ioim_sm_abort(struct bfa_ioim_s *ioim, | |
246 | enum bfa_ioim_event event); | |
247 | static void bfa_ioim_sm_cleanup(struct bfa_ioim_s *ioim, | |
248 | enum bfa_ioim_event event); | |
249 | static void bfa_ioim_sm_qfull(struct bfa_ioim_s *ioim, | |
250 | enum bfa_ioim_event event); | |
251 | static void bfa_ioim_sm_abort_qfull(struct bfa_ioim_s *ioim, | |
252 | enum bfa_ioim_event event); | |
253 | static void bfa_ioim_sm_cleanup_qfull(struct bfa_ioim_s *ioim, | |
254 | enum bfa_ioim_event event); | |
255 | static void bfa_ioim_sm_hcb(struct bfa_ioim_s *ioim, | |
256 | enum bfa_ioim_event event); | |
257 | static void bfa_ioim_sm_hcb_free(struct bfa_ioim_s *ioim, | |
258 | enum bfa_ioim_event event); | |
259 | static void bfa_ioim_sm_resfree(struct bfa_ioim_s *ioim, | |
260 | enum bfa_ioim_event event); | |
261 | static void bfa_ioim_sm_cmnd_retry(struct bfa_ioim_s *ioim, | |
262 | enum bfa_ioim_event event); | |
263 | ||
264 | /** | |
265 | * forward declaration for BFA TSKIM functions | |
266 | */ | |
267 | static void __bfa_cb_tskim_done(void *cbarg, bfa_boolean_t complete); | |
268 | static void __bfa_cb_tskim_failed(void *cbarg, bfa_boolean_t complete); | |
269 | static bfa_boolean_t bfa_tskim_match_scope(struct bfa_tskim_s *tskim, | |
270 | lun_t lun); | |
271 | static void bfa_tskim_gather_ios(struct bfa_tskim_s *tskim); | |
272 | static void bfa_tskim_cleanp_comp(void *tskim_cbarg); | |
273 | static void bfa_tskim_cleanup_ios(struct bfa_tskim_s *tskim); | |
274 | static bfa_boolean_t bfa_tskim_send(struct bfa_tskim_s *tskim); | |
275 | static bfa_boolean_t bfa_tskim_send_abort(struct bfa_tskim_s *tskim); | |
276 | static void bfa_tskim_iocdisable_ios(struct bfa_tskim_s *tskim); | |
277 | ||
278 | ||
279 | /** | |
280 | * forward declaration of BFA TSKIM state machine | |
281 | */ | |
282 | static void bfa_tskim_sm_uninit(struct bfa_tskim_s *tskim, | |
283 | enum bfa_tskim_event event); | |
284 | static void bfa_tskim_sm_active(struct bfa_tskim_s *tskim, | |
285 | enum bfa_tskim_event event); | |
286 | static void bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim, | |
287 | enum bfa_tskim_event event); | |
288 | static void bfa_tskim_sm_iocleanup(struct bfa_tskim_s *tskim, | |
289 | enum bfa_tskim_event event); | |
290 | static void bfa_tskim_sm_qfull(struct bfa_tskim_s *tskim, | |
291 | enum bfa_tskim_event event); | |
292 | static void bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim, | |
293 | enum bfa_tskim_event event); | |
294 | static void bfa_tskim_sm_hcb(struct bfa_tskim_s *tskim, | |
295 | enum bfa_tskim_event event); | |
296 | ||
7725ccfd JH |
297 | /** |
298 | * hal_fcpim_mod BFA FCP Initiator Mode module | |
299 | */ | |
300 | ||
301 | /** | |
a36c61f9 | 302 | * Compute and return memory needed by FCP(im) module. |
7725ccfd JH |
303 | */ |
304 | static void | |
305 | bfa_fcpim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len, | |
306 | u32 *dm_len) | |
307 | { | |
308 | bfa_itnim_meminfo(cfg, km_len, dm_len); | |
309 | ||
310 | /** | |
311 | * IO memory | |
312 | */ | |
313 | if (cfg->fwcfg.num_ioim_reqs < BFA_IOIM_MIN) | |
314 | cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MIN; | |
315 | else if (cfg->fwcfg.num_ioim_reqs > BFA_IOIM_MAX) | |
316 | cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MAX; | |
317 | ||
318 | *km_len += cfg->fwcfg.num_ioim_reqs * | |
319 | (sizeof(struct bfa_ioim_s) + sizeof(struct bfa_ioim_sp_s)); | |
320 | ||
321 | *dm_len += cfg->fwcfg.num_ioim_reqs * BFI_IOIM_SNSLEN; | |
322 | ||
323 | /** | |
324 | * task management command memory | |
325 | */ | |
326 | if (cfg->fwcfg.num_tskim_reqs < BFA_TSKIM_MIN) | |
327 | cfg->fwcfg.num_tskim_reqs = BFA_TSKIM_MIN; | |
328 | *km_len += cfg->fwcfg.num_tskim_reqs * sizeof(struct bfa_tskim_s); | |
329 | } | |
330 | ||
331 | ||
332 | static void | |
333 | bfa_fcpim_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, | |
a36c61f9 | 334 | struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev) |
7725ccfd JH |
335 | { |
336 | struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); | |
337 | ||
338 | bfa_trc(bfa, cfg->drvcfg.path_tov); | |
339 | bfa_trc(bfa, cfg->fwcfg.num_rports); | |
340 | bfa_trc(bfa, cfg->fwcfg.num_ioim_reqs); | |
341 | bfa_trc(bfa, cfg->fwcfg.num_tskim_reqs); | |
342 | ||
a36c61f9 KG |
343 | fcpim->bfa = bfa; |
344 | fcpim->num_itnims = cfg->fwcfg.num_rports; | |
7725ccfd JH |
345 | fcpim->num_ioim_reqs = cfg->fwcfg.num_ioim_reqs; |
346 | fcpim->num_tskim_reqs = cfg->fwcfg.num_tskim_reqs; | |
a36c61f9 KG |
347 | fcpim->path_tov = cfg->drvcfg.path_tov; |
348 | fcpim->delay_comp = cfg->drvcfg.delay_comp; | |
349 | fcpim->profile_comp = NULL; | |
350 | fcpim->profile_start = NULL; | |
7725ccfd JH |
351 | |
352 | bfa_itnim_attach(fcpim, meminfo); | |
353 | bfa_tskim_attach(fcpim, meminfo); | |
354 | bfa_ioim_attach(fcpim, meminfo); | |
355 | } | |
356 | ||
7725ccfd JH |
357 | static void |
358 | bfa_fcpim_detach(struct bfa_s *bfa) | |
359 | { | |
360 | struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); | |
361 | ||
362 | bfa_ioim_detach(fcpim); | |
363 | bfa_tskim_detach(fcpim); | |
364 | } | |
365 | ||
366 | static void | |
367 | bfa_fcpim_start(struct bfa_s *bfa) | |
368 | { | |
369 | } | |
370 | ||
371 | static void | |
372 | bfa_fcpim_stop(struct bfa_s *bfa) | |
373 | { | |
374 | } | |
375 | ||
376 | static void | |
377 | bfa_fcpim_iocdisable(struct bfa_s *bfa) | |
378 | { | |
379 | struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); | |
380 | struct bfa_itnim_s *itnim; | |
a36c61f9 | 381 | struct list_head *qe, *qen; |
7725ccfd JH |
382 | |
383 | list_for_each_safe(qe, qen, &fcpim->itnim_q) { | |
384 | itnim = (struct bfa_itnim_s *) qe; | |
385 | bfa_itnim_iocdisable(itnim); | |
386 | } | |
387 | } | |
388 | ||
a36c61f9 KG |
389 | void |
390 | bfa_fcpim_add_stats(struct bfa_itnim_iostats_s *lstats, | |
391 | struct bfa_itnim_iostats_s *rstats) | |
392 | { | |
393 | bfa_fcpim_add_iostats(lstats, rstats, total_ios); | |
394 | bfa_fcpim_add_iostats(lstats, rstats, qresumes); | |
395 | bfa_fcpim_add_iostats(lstats, rstats, no_iotags); | |
396 | bfa_fcpim_add_iostats(lstats, rstats, io_aborts); | |
397 | bfa_fcpim_add_iostats(lstats, rstats, no_tskims); | |
398 | bfa_fcpim_add_iostats(lstats, rstats, iocomp_ok); | |
399 | bfa_fcpim_add_iostats(lstats, rstats, iocomp_underrun); | |
400 | bfa_fcpim_add_iostats(lstats, rstats, iocomp_overrun); | |
401 | bfa_fcpim_add_iostats(lstats, rstats, iocomp_aborted); | |
402 | bfa_fcpim_add_iostats(lstats, rstats, iocomp_timedout); | |
403 | bfa_fcpim_add_iostats(lstats, rstats, iocom_nexus_abort); | |
404 | bfa_fcpim_add_iostats(lstats, rstats, iocom_proto_err); | |
405 | bfa_fcpim_add_iostats(lstats, rstats, iocom_dif_err); | |
406 | bfa_fcpim_add_iostats(lstats, rstats, iocom_sqer_needed); | |
407 | bfa_fcpim_add_iostats(lstats, rstats, iocom_res_free); | |
408 | bfa_fcpim_add_iostats(lstats, rstats, iocom_hostabrts); | |
409 | bfa_fcpim_add_iostats(lstats, rstats, iocom_utags); | |
410 | bfa_fcpim_add_iostats(lstats, rstats, io_cleanups); | |
411 | bfa_fcpim_add_iostats(lstats, rstats, io_tmaborts); | |
412 | bfa_fcpim_add_iostats(lstats, rstats, onlines); | |
413 | bfa_fcpim_add_iostats(lstats, rstats, offlines); | |
414 | bfa_fcpim_add_iostats(lstats, rstats, creates); | |
415 | bfa_fcpim_add_iostats(lstats, rstats, deletes); | |
416 | bfa_fcpim_add_iostats(lstats, rstats, create_comps); | |
417 | bfa_fcpim_add_iostats(lstats, rstats, delete_comps); | |
418 | bfa_fcpim_add_iostats(lstats, rstats, sler_events); | |
419 | bfa_fcpim_add_iostats(lstats, rstats, fw_create); | |
420 | bfa_fcpim_add_iostats(lstats, rstats, fw_delete); | |
421 | bfa_fcpim_add_iostats(lstats, rstats, ioc_disabled); | |
422 | bfa_fcpim_add_iostats(lstats, rstats, cleanup_comps); | |
423 | bfa_fcpim_add_iostats(lstats, rstats, tm_cmnds); | |
424 | bfa_fcpim_add_iostats(lstats, rstats, tm_fw_rsps); | |
425 | bfa_fcpim_add_iostats(lstats, rstats, tm_success); | |
426 | bfa_fcpim_add_iostats(lstats, rstats, tm_failures); | |
427 | bfa_fcpim_add_iostats(lstats, rstats, tm_io_comps); | |
428 | bfa_fcpim_add_iostats(lstats, rstats, tm_qresumes); | |
429 | bfa_fcpim_add_iostats(lstats, rstats, tm_iocdowns); | |
430 | bfa_fcpim_add_iostats(lstats, rstats, tm_cleanups); | |
431 | bfa_fcpim_add_iostats(lstats, rstats, tm_cleanup_comps); | |
432 | bfa_fcpim_add_iostats(lstats, rstats, io_comps); | |
433 | bfa_fcpim_add_iostats(lstats, rstats, input_reqs); | |
434 | bfa_fcpim_add_iostats(lstats, rstats, output_reqs); | |
435 | bfa_fcpim_add_iostats(lstats, rstats, rd_throughput); | |
436 | bfa_fcpim_add_iostats(lstats, rstats, wr_throughput); | |
437 | } | |
438 | ||
7725ccfd JH |
439 | void |
440 | bfa_fcpim_path_tov_set(struct bfa_s *bfa, u16 path_tov) | |
441 | { | |
442 | struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); | |
443 | ||
444 | fcpim->path_tov = path_tov * 1000; | |
445 | if (fcpim->path_tov > BFA_FCPIM_PATHTOV_MAX) | |
446 | fcpim->path_tov = BFA_FCPIM_PATHTOV_MAX; | |
447 | } | |
448 | ||
449 | u16 | |
450 | bfa_fcpim_path_tov_get(struct bfa_s *bfa) | |
451 | { | |
452 | struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); | |
453 | ||
f8ceafde | 454 | return fcpim->path_tov / 1000; |
7725ccfd JH |
455 | } |
456 | ||
457 | bfa_status_t | |
a36c61f9 KG |
458 | bfa_fcpim_port_iostats(struct bfa_s *bfa, struct bfa_itnim_iostats_s *stats, |
459 | u8 lp_tag) | |
460 | { | |
461 | struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); | |
462 | struct list_head *qe, *qen; | |
463 | struct bfa_itnim_s *itnim; | |
464 | ||
465 | /* accumulate IO stats from itnim */ | |
6a18b167 | 466 | memset(stats, 0, sizeof(struct bfa_itnim_iostats_s)); |
a36c61f9 KG |
467 | list_for_each_safe(qe, qen, &fcpim->itnim_q) { |
468 | itnim = (struct bfa_itnim_s *) qe; | |
469 | if (itnim->rport->rport_info.lp_tag != lp_tag) | |
470 | continue; | |
471 | bfa_fcpim_add_stats(stats, &(itnim->stats)); | |
472 | } | |
473 | return BFA_STATUS_OK; | |
474 | } | |
475 | bfa_status_t | |
476 | bfa_fcpim_get_modstats(struct bfa_s *bfa, struct bfa_itnim_iostats_s *modstats) | |
477 | { | |
478 | struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); | |
479 | struct list_head *qe, *qen; | |
480 | struct bfa_itnim_s *itnim; | |
481 | ||
482 | /* accumulate IO stats from itnim */ | |
6a18b167 | 483 | memset(modstats, 0, sizeof(struct bfa_itnim_iostats_s)); |
a36c61f9 KG |
484 | list_for_each_safe(qe, qen, &fcpim->itnim_q) { |
485 | itnim = (struct bfa_itnim_s *) qe; | |
486 | bfa_fcpim_add_stats(modstats, &(itnim->stats)); | |
487 | } | |
488 | return BFA_STATUS_OK; | |
489 | } | |
490 | ||
491 | bfa_status_t | |
492 | bfa_fcpim_get_del_itn_stats(struct bfa_s *bfa, | |
493 | struct bfa_fcpim_del_itn_stats_s *modstats) | |
494 | { | |
495 | struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); | |
496 | ||
497 | *modstats = fcpim->del_itn_stats; | |
498 | ||
499 | return BFA_STATUS_OK; | |
500 | } | |
501 | ||
502 | ||
503 | bfa_status_t | |
504 | bfa_fcpim_profile_on(struct bfa_s *bfa, u32 time) | |
505 | { | |
506 | struct bfa_itnim_s *itnim; | |
507 | struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); | |
508 | struct list_head *qe, *qen; | |
509 | ||
510 | /* accumulate IO stats from itnim */ | |
511 | list_for_each_safe(qe, qen, &fcpim->itnim_q) { | |
512 | itnim = (struct bfa_itnim_s *) qe; | |
513 | bfa_itnim_clear_stats(itnim); | |
514 | } | |
515 | fcpim->io_profile = BFA_TRUE; | |
516 | fcpim->io_profile_start_time = time; | |
517 | fcpim->profile_comp = bfa_ioim_profile_comp; | |
518 | fcpim->profile_start = bfa_ioim_profile_start; | |
519 | ||
520 | return BFA_STATUS_OK; | |
521 | } | |
522 | bfa_status_t | |
523 | bfa_fcpim_profile_off(struct bfa_s *bfa) | |
7725ccfd JH |
524 | { |
525 | struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); | |
a36c61f9 KG |
526 | fcpim->io_profile = BFA_FALSE; |
527 | fcpim->io_profile_start_time = 0; | |
528 | fcpim->profile_comp = NULL; | |
529 | fcpim->profile_start = NULL; | |
530 | return BFA_STATUS_OK; | |
531 | } | |
7725ccfd | 532 | |
a36c61f9 KG |
533 | bfa_status_t |
534 | bfa_fcpim_port_clear_iostats(struct bfa_s *bfa, u8 lp_tag) | |
535 | { | |
536 | struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); | |
537 | struct list_head *qe, *qen; | |
538 | struct bfa_itnim_s *itnim; | |
7725ccfd | 539 | |
a36c61f9 KG |
540 | /* clear IO stats from all active itnims */ |
541 | list_for_each_safe(qe, qen, &fcpim->itnim_q) { | |
542 | itnim = (struct bfa_itnim_s *) qe; | |
543 | if (itnim->rport->rport_info.lp_tag != lp_tag) | |
544 | continue; | |
545 | bfa_itnim_clear_stats(itnim); | |
546 | } | |
7725ccfd | 547 | return BFA_STATUS_OK; |
a36c61f9 | 548 | |
7725ccfd JH |
549 | } |
550 | ||
551 | bfa_status_t | |
552 | bfa_fcpim_clr_modstats(struct bfa_s *bfa) | |
553 | { | |
554 | struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); | |
a36c61f9 KG |
555 | struct list_head *qe, *qen; |
556 | struct bfa_itnim_s *itnim; | |
7725ccfd | 557 | |
a36c61f9 KG |
558 | /* clear IO stats from all active itnims */ |
559 | list_for_each_safe(qe, qen, &fcpim->itnim_q) { | |
560 | itnim = (struct bfa_itnim_s *) qe; | |
561 | bfa_itnim_clear_stats(itnim); | |
562 | } | |
6a18b167 | 563 | memset(&fcpim->del_itn_stats, 0, |
a36c61f9 | 564 | sizeof(struct bfa_fcpim_del_itn_stats_s)); |
7725ccfd JH |
565 | |
566 | return BFA_STATUS_OK; | |
567 | } | |
568 | ||
569 | void | |
570 | bfa_fcpim_qdepth_set(struct bfa_s *bfa, u16 q_depth) | |
571 | { | |
572 | struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); | |
573 | ||
574 | bfa_assert(q_depth <= BFA_IOCFC_QDEPTH_MAX); | |
575 | ||
576 | fcpim->q_depth = q_depth; | |
577 | } | |
578 | ||
579 | u16 | |
580 | bfa_fcpim_qdepth_get(struct bfa_s *bfa) | |
581 | { | |
582 | struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); | |
583 | ||
f8ceafde | 584 | return fcpim->q_depth; |
7725ccfd JH |
585 | } |
586 | ||
36d345a7 JH |
587 | void |
588 | bfa_fcpim_update_ioredirect(struct bfa_s *bfa) | |
589 | { | |
590 | bfa_boolean_t ioredirect; | |
591 | ||
592 | /* | |
593 | * IO redirection is turned off when QoS is enabled and vice versa | |
594 | */ | |
595 | ioredirect = bfa_fcport_is_qos_enabled(bfa) ? BFA_FALSE : BFA_TRUE; | |
36d345a7 JH |
596 | } |
597 | ||
598 | void | |
599 | bfa_fcpim_set_ioredirect(struct bfa_s *bfa, bfa_boolean_t state) | |
600 | { | |
601 | struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); | |
602 | fcpim->ioredirect = state; | |
603 | } | |
a36c61f9 KG |
604 | |
605 | ||
606 | ||
607 | /** | |
608 | * BFA ITNIM module state machine functions | |
609 | */ | |
610 | ||
611 | /** | |
612 | * Beginning/unallocated state - no events expected. | |
613 | */ | |
614 | static void | |
615 | bfa_itnim_sm_uninit(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
616 | { | |
617 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
618 | bfa_trc(itnim->bfa, event); | |
619 | ||
620 | switch (event) { | |
621 | case BFA_ITNIM_SM_CREATE: | |
622 | bfa_sm_set_state(itnim, bfa_itnim_sm_created); | |
623 | itnim->is_online = BFA_FALSE; | |
624 | bfa_fcpim_additn(itnim); | |
625 | break; | |
626 | ||
627 | default: | |
628 | bfa_sm_fault(itnim->bfa, event); | |
629 | } | |
630 | } | |
631 | ||
632 | /** | |
633 | * Beginning state, only online event expected. | |
634 | */ | |
635 | static void | |
636 | bfa_itnim_sm_created(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
637 | { | |
638 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
639 | bfa_trc(itnim->bfa, event); | |
640 | ||
641 | switch (event) { | |
642 | case BFA_ITNIM_SM_ONLINE: | |
643 | if (bfa_itnim_send_fwcreate(itnim)) | |
644 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); | |
645 | else | |
646 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate_qfull); | |
647 | break; | |
648 | ||
649 | case BFA_ITNIM_SM_DELETE: | |
650 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
651 | bfa_fcpim_delitn(itnim); | |
652 | break; | |
653 | ||
654 | case BFA_ITNIM_SM_HWFAIL: | |
655 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
656 | break; | |
657 | ||
658 | default: | |
659 | bfa_sm_fault(itnim->bfa, event); | |
660 | } | |
661 | } | |
662 | ||
663 | /** | |
664 | * Waiting for itnim create response from firmware. | |
665 | */ | |
666 | static void | |
667 | bfa_itnim_sm_fwcreate(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
668 | { | |
669 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
670 | bfa_trc(itnim->bfa, event); | |
671 | ||
672 | switch (event) { | |
673 | case BFA_ITNIM_SM_FWRSP: | |
674 | bfa_sm_set_state(itnim, bfa_itnim_sm_online); | |
675 | itnim->is_online = BFA_TRUE; | |
676 | bfa_itnim_iotov_online(itnim); | |
677 | bfa_itnim_online_cb(itnim); | |
678 | break; | |
679 | ||
680 | case BFA_ITNIM_SM_DELETE: | |
681 | bfa_sm_set_state(itnim, bfa_itnim_sm_delete_pending); | |
682 | break; | |
683 | ||
684 | case BFA_ITNIM_SM_OFFLINE: | |
685 | if (bfa_itnim_send_fwdelete(itnim)) | |
686 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete); | |
687 | else | |
688 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete_qfull); | |
689 | break; | |
690 | ||
691 | case BFA_ITNIM_SM_HWFAIL: | |
692 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
693 | break; | |
694 | ||
695 | default: | |
696 | bfa_sm_fault(itnim->bfa, event); | |
697 | } | |
698 | } | |
699 | ||
700 | static void | |
701 | bfa_itnim_sm_fwcreate_qfull(struct bfa_itnim_s *itnim, | |
702 | enum bfa_itnim_event event) | |
703 | { | |
704 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
705 | bfa_trc(itnim->bfa, event); | |
706 | ||
707 | switch (event) { | |
708 | case BFA_ITNIM_SM_QRESUME: | |
709 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); | |
710 | bfa_itnim_send_fwcreate(itnim); | |
711 | break; | |
712 | ||
713 | case BFA_ITNIM_SM_DELETE: | |
714 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
715 | bfa_reqq_wcancel(&itnim->reqq_wait); | |
716 | bfa_fcpim_delitn(itnim); | |
717 | break; | |
718 | ||
719 | case BFA_ITNIM_SM_OFFLINE: | |
720 | bfa_sm_set_state(itnim, bfa_itnim_sm_offline); | |
721 | bfa_reqq_wcancel(&itnim->reqq_wait); | |
722 | bfa_itnim_offline_cb(itnim); | |
723 | break; | |
724 | ||
725 | case BFA_ITNIM_SM_HWFAIL: | |
726 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
727 | bfa_reqq_wcancel(&itnim->reqq_wait); | |
728 | break; | |
729 | ||
730 | default: | |
731 | bfa_sm_fault(itnim->bfa, event); | |
732 | } | |
733 | } | |
734 | ||
735 | /** | |
736 | * Waiting for itnim create response from firmware, a delete is pending. | |
737 | */ | |
738 | static void | |
739 | bfa_itnim_sm_delete_pending(struct bfa_itnim_s *itnim, | |
740 | enum bfa_itnim_event event) | |
741 | { | |
742 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
743 | bfa_trc(itnim->bfa, event); | |
744 | ||
745 | switch (event) { | |
746 | case BFA_ITNIM_SM_FWRSP: | |
747 | if (bfa_itnim_send_fwdelete(itnim)) | |
748 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); | |
749 | else | |
750 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting_qfull); | |
751 | break; | |
752 | ||
753 | case BFA_ITNIM_SM_HWFAIL: | |
754 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
755 | bfa_fcpim_delitn(itnim); | |
756 | break; | |
757 | ||
758 | default: | |
759 | bfa_sm_fault(itnim->bfa, event); | |
760 | } | |
761 | } | |
762 | ||
763 | /** | |
764 | * Online state - normal parking state. | |
765 | */ | |
766 | static void | |
767 | bfa_itnim_sm_online(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
768 | { | |
769 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
770 | bfa_trc(itnim->bfa, event); | |
771 | ||
772 | switch (event) { | |
773 | case BFA_ITNIM_SM_OFFLINE: | |
774 | bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_offline); | |
775 | itnim->is_online = BFA_FALSE; | |
776 | bfa_itnim_iotov_start(itnim); | |
777 | bfa_itnim_cleanup(itnim); | |
778 | break; | |
779 | ||
780 | case BFA_ITNIM_SM_DELETE: | |
781 | bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_delete); | |
782 | itnim->is_online = BFA_FALSE; | |
783 | bfa_itnim_cleanup(itnim); | |
784 | break; | |
785 | ||
786 | case BFA_ITNIM_SM_SLER: | |
787 | bfa_sm_set_state(itnim, bfa_itnim_sm_sler); | |
788 | itnim->is_online = BFA_FALSE; | |
789 | bfa_itnim_iotov_start(itnim); | |
790 | bfa_itnim_sler_cb(itnim); | |
791 | break; | |
792 | ||
793 | case BFA_ITNIM_SM_HWFAIL: | |
794 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
795 | itnim->is_online = BFA_FALSE; | |
796 | bfa_itnim_iotov_start(itnim); | |
797 | bfa_itnim_iocdisable_cleanup(itnim); | |
798 | break; | |
799 | ||
800 | default: | |
801 | bfa_sm_fault(itnim->bfa, event); | |
802 | } | |
803 | } | |
804 | ||
805 | /** | |
806 | * Second level error recovery need. | |
807 | */ | |
808 | static void | |
809 | bfa_itnim_sm_sler(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
810 | { | |
811 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
812 | bfa_trc(itnim->bfa, event); | |
813 | ||
814 | switch (event) { | |
815 | case BFA_ITNIM_SM_OFFLINE: | |
816 | bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_offline); | |
817 | bfa_itnim_cleanup(itnim); | |
818 | break; | |
819 | ||
820 | case BFA_ITNIM_SM_DELETE: | |
821 | bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_delete); | |
822 | bfa_itnim_cleanup(itnim); | |
823 | bfa_itnim_iotov_delete(itnim); | |
824 | break; | |
825 | ||
826 | case BFA_ITNIM_SM_HWFAIL: | |
827 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
828 | bfa_itnim_iocdisable_cleanup(itnim); | |
829 | break; | |
830 | ||
831 | default: | |
832 | bfa_sm_fault(itnim->bfa, event); | |
833 | } | |
834 | } | |
835 | ||
836 | /** | |
837 | * Going offline. Waiting for active IO cleanup. | |
838 | */ | |
839 | static void | |
840 | bfa_itnim_sm_cleanup_offline(struct bfa_itnim_s *itnim, | |
841 | enum bfa_itnim_event event) | |
842 | { | |
843 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
844 | bfa_trc(itnim->bfa, event); | |
845 | ||
846 | switch (event) { | |
847 | case BFA_ITNIM_SM_CLEANUP: | |
848 | if (bfa_itnim_send_fwdelete(itnim)) | |
849 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete); | |
850 | else | |
851 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete_qfull); | |
852 | break; | |
853 | ||
854 | case BFA_ITNIM_SM_DELETE: | |
855 | bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_delete); | |
856 | bfa_itnim_iotov_delete(itnim); | |
857 | break; | |
858 | ||
859 | case BFA_ITNIM_SM_HWFAIL: | |
860 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
861 | bfa_itnim_iocdisable_cleanup(itnim); | |
862 | bfa_itnim_offline_cb(itnim); | |
863 | break; | |
864 | ||
865 | case BFA_ITNIM_SM_SLER: | |
866 | break; | |
867 | ||
868 | default: | |
869 | bfa_sm_fault(itnim->bfa, event); | |
870 | } | |
871 | } | |
872 | ||
873 | /** | |
874 | * Deleting itnim. Waiting for active IO cleanup. | |
875 | */ | |
876 | static void | |
877 | bfa_itnim_sm_cleanup_delete(struct bfa_itnim_s *itnim, | |
878 | enum bfa_itnim_event event) | |
879 | { | |
880 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
881 | bfa_trc(itnim->bfa, event); | |
882 | ||
883 | switch (event) { | |
884 | case BFA_ITNIM_SM_CLEANUP: | |
885 | if (bfa_itnim_send_fwdelete(itnim)) | |
886 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); | |
887 | else | |
888 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting_qfull); | |
889 | break; | |
890 | ||
891 | case BFA_ITNIM_SM_HWFAIL: | |
892 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
893 | bfa_itnim_iocdisable_cleanup(itnim); | |
894 | break; | |
895 | ||
896 | default: | |
897 | bfa_sm_fault(itnim->bfa, event); | |
898 | } | |
899 | } | |
900 | ||
901 | /** | |
902 | * Rport offline. Fimrware itnim is being deleted - awaiting f/w response. | |
903 | */ | |
904 | static void | |
905 | bfa_itnim_sm_fwdelete(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
906 | { | |
907 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
908 | bfa_trc(itnim->bfa, event); | |
909 | ||
910 | switch (event) { | |
911 | case BFA_ITNIM_SM_FWRSP: | |
912 | bfa_sm_set_state(itnim, bfa_itnim_sm_offline); | |
913 | bfa_itnim_offline_cb(itnim); | |
914 | break; | |
915 | ||
916 | case BFA_ITNIM_SM_DELETE: | |
917 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); | |
918 | break; | |
919 | ||
920 | case BFA_ITNIM_SM_HWFAIL: | |
921 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
922 | bfa_itnim_offline_cb(itnim); | |
923 | break; | |
924 | ||
925 | default: | |
926 | bfa_sm_fault(itnim->bfa, event); | |
927 | } | |
928 | } | |
929 | ||
930 | static void | |
931 | bfa_itnim_sm_fwdelete_qfull(struct bfa_itnim_s *itnim, | |
932 | enum bfa_itnim_event event) | |
933 | { | |
934 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
935 | bfa_trc(itnim->bfa, event); | |
936 | ||
937 | switch (event) { | |
938 | case BFA_ITNIM_SM_QRESUME: | |
939 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete); | |
940 | bfa_itnim_send_fwdelete(itnim); | |
941 | break; | |
942 | ||
943 | case BFA_ITNIM_SM_DELETE: | |
944 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting_qfull); | |
945 | break; | |
946 | ||
947 | case BFA_ITNIM_SM_HWFAIL: | |
948 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
949 | bfa_reqq_wcancel(&itnim->reqq_wait); | |
950 | bfa_itnim_offline_cb(itnim); | |
951 | break; | |
952 | ||
953 | default: | |
954 | bfa_sm_fault(itnim->bfa, event); | |
955 | } | |
956 | } | |
957 | ||
958 | /** | |
959 | * Offline state. | |
960 | */ | |
961 | static void | |
962 | bfa_itnim_sm_offline(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
963 | { | |
964 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
965 | bfa_trc(itnim->bfa, event); | |
966 | ||
967 | switch (event) { | |
968 | case BFA_ITNIM_SM_DELETE: | |
969 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
970 | bfa_itnim_iotov_delete(itnim); | |
971 | bfa_fcpim_delitn(itnim); | |
972 | break; | |
973 | ||
974 | case BFA_ITNIM_SM_ONLINE: | |
975 | if (bfa_itnim_send_fwcreate(itnim)) | |
976 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); | |
977 | else | |
978 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate_qfull); | |
979 | break; | |
980 | ||
981 | case BFA_ITNIM_SM_HWFAIL: | |
982 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
983 | break; | |
984 | ||
985 | default: | |
986 | bfa_sm_fault(itnim->bfa, event); | |
987 | } | |
988 | } | |
989 | ||
990 | /** | |
991 | * IOC h/w failed state. | |
992 | */ | |
993 | static void | |
994 | bfa_itnim_sm_iocdisable(struct bfa_itnim_s *itnim, | |
995 | enum bfa_itnim_event event) | |
996 | { | |
997 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
998 | bfa_trc(itnim->bfa, event); | |
999 | ||
1000 | switch (event) { | |
1001 | case BFA_ITNIM_SM_DELETE: | |
1002 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
1003 | bfa_itnim_iotov_delete(itnim); | |
1004 | bfa_fcpim_delitn(itnim); | |
1005 | break; | |
1006 | ||
1007 | case BFA_ITNIM_SM_OFFLINE: | |
1008 | bfa_itnim_offline_cb(itnim); | |
1009 | break; | |
1010 | ||
1011 | case BFA_ITNIM_SM_ONLINE: | |
1012 | if (bfa_itnim_send_fwcreate(itnim)) | |
1013 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); | |
1014 | else | |
1015 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate_qfull); | |
1016 | break; | |
1017 | ||
1018 | case BFA_ITNIM_SM_HWFAIL: | |
1019 | break; | |
1020 | ||
1021 | default: | |
1022 | bfa_sm_fault(itnim->bfa, event); | |
1023 | } | |
1024 | } | |
1025 | ||
1026 | /** | |
1027 | * Itnim is deleted, waiting for firmware response to delete. | |
1028 | */ | |
1029 | static void | |
1030 | bfa_itnim_sm_deleting(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
1031 | { | |
1032 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
1033 | bfa_trc(itnim->bfa, event); | |
1034 | ||
1035 | switch (event) { | |
1036 | case BFA_ITNIM_SM_FWRSP: | |
1037 | case BFA_ITNIM_SM_HWFAIL: | |
1038 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
1039 | bfa_fcpim_delitn(itnim); | |
1040 | break; | |
1041 | ||
1042 | default: | |
1043 | bfa_sm_fault(itnim->bfa, event); | |
1044 | } | |
1045 | } | |
1046 | ||
1047 | static void | |
1048 | bfa_itnim_sm_deleting_qfull(struct bfa_itnim_s *itnim, | |
1049 | enum bfa_itnim_event event) | |
1050 | { | |
1051 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
1052 | bfa_trc(itnim->bfa, event); | |
1053 | ||
1054 | switch (event) { | |
1055 | case BFA_ITNIM_SM_QRESUME: | |
1056 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); | |
1057 | bfa_itnim_send_fwdelete(itnim); | |
1058 | break; | |
1059 | ||
1060 | case BFA_ITNIM_SM_HWFAIL: | |
1061 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
1062 | bfa_reqq_wcancel(&itnim->reqq_wait); | |
1063 | bfa_fcpim_delitn(itnim); | |
1064 | break; | |
1065 | ||
1066 | default: | |
1067 | bfa_sm_fault(itnim->bfa, event); | |
1068 | } | |
1069 | } | |
1070 | ||
1071 | /** | |
1072 | * Initiate cleanup of all IOs on an IOC failure. | |
1073 | */ | |
1074 | static void | |
1075 | bfa_itnim_iocdisable_cleanup(struct bfa_itnim_s *itnim) | |
1076 | { | |
1077 | struct bfa_tskim_s *tskim; | |
1078 | struct bfa_ioim_s *ioim; | |
1079 | struct list_head *qe, *qen; | |
1080 | ||
1081 | list_for_each_safe(qe, qen, &itnim->tsk_q) { | |
1082 | tskim = (struct bfa_tskim_s *) qe; | |
1083 | bfa_tskim_iocdisable(tskim); | |
1084 | } | |
1085 | ||
1086 | list_for_each_safe(qe, qen, &itnim->io_q) { | |
1087 | ioim = (struct bfa_ioim_s *) qe; | |
1088 | bfa_ioim_iocdisable(ioim); | |
1089 | } | |
1090 | ||
1091 | /** | |
1092 | * For IO request in pending queue, we pretend an early timeout. | |
1093 | */ | |
1094 | list_for_each_safe(qe, qen, &itnim->pending_q) { | |
1095 | ioim = (struct bfa_ioim_s *) qe; | |
1096 | bfa_ioim_tov(ioim); | |
1097 | } | |
1098 | ||
1099 | list_for_each_safe(qe, qen, &itnim->io_cleanup_q) { | |
1100 | ioim = (struct bfa_ioim_s *) qe; | |
1101 | bfa_ioim_iocdisable(ioim); | |
1102 | } | |
1103 | } | |
1104 | ||
1105 | /** | |
1106 | * IO cleanup completion | |
1107 | */ | |
1108 | static void | |
1109 | bfa_itnim_cleanp_comp(void *itnim_cbarg) | |
1110 | { | |
1111 | struct bfa_itnim_s *itnim = itnim_cbarg; | |
1112 | ||
1113 | bfa_stats(itnim, cleanup_comps); | |
1114 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_CLEANUP); | |
1115 | } | |
1116 | ||
1117 | /** | |
1118 | * Initiate cleanup of all IOs. | |
1119 | */ | |
1120 | static void | |
1121 | bfa_itnim_cleanup(struct bfa_itnim_s *itnim) | |
1122 | { | |
1123 | struct bfa_ioim_s *ioim; | |
1124 | struct bfa_tskim_s *tskim; | |
1125 | struct list_head *qe, *qen; | |
1126 | ||
1127 | bfa_wc_init(&itnim->wc, bfa_itnim_cleanp_comp, itnim); | |
1128 | ||
1129 | list_for_each_safe(qe, qen, &itnim->io_q) { | |
1130 | ioim = (struct bfa_ioim_s *) qe; | |
1131 | ||
1132 | /** | |
1133 | * Move IO to a cleanup queue from active queue so that a later | |
1134 | * TM will not pickup this IO. | |
1135 | */ | |
1136 | list_del(&ioim->qe); | |
1137 | list_add_tail(&ioim->qe, &itnim->io_cleanup_q); | |
1138 | ||
1139 | bfa_wc_up(&itnim->wc); | |
1140 | bfa_ioim_cleanup(ioim); | |
1141 | } | |
1142 | ||
1143 | list_for_each_safe(qe, qen, &itnim->tsk_q) { | |
1144 | tskim = (struct bfa_tskim_s *) qe; | |
1145 | bfa_wc_up(&itnim->wc); | |
1146 | bfa_tskim_cleanup(tskim); | |
1147 | } | |
1148 | ||
1149 | bfa_wc_wait(&itnim->wc); | |
1150 | } | |
1151 | ||
1152 | static void | |
1153 | __bfa_cb_itnim_online(void *cbarg, bfa_boolean_t complete) | |
1154 | { | |
1155 | struct bfa_itnim_s *itnim = cbarg; | |
1156 | ||
1157 | if (complete) | |
1158 | bfa_cb_itnim_online(itnim->ditn); | |
1159 | } | |
1160 | ||
1161 | static void | |
1162 | __bfa_cb_itnim_offline(void *cbarg, bfa_boolean_t complete) | |
1163 | { | |
1164 | struct bfa_itnim_s *itnim = cbarg; | |
1165 | ||
1166 | if (complete) | |
1167 | bfa_cb_itnim_offline(itnim->ditn); | |
1168 | } | |
1169 | ||
1170 | static void | |
1171 | __bfa_cb_itnim_sler(void *cbarg, bfa_boolean_t complete) | |
1172 | { | |
1173 | struct bfa_itnim_s *itnim = cbarg; | |
1174 | ||
1175 | if (complete) | |
1176 | bfa_cb_itnim_sler(itnim->ditn); | |
1177 | } | |
1178 | ||
1179 | /** | |
1180 | * Call to resume any I/O requests waiting for room in request queue. | |
1181 | */ | |
1182 | static void | |
1183 | bfa_itnim_qresume(void *cbarg) | |
1184 | { | |
1185 | struct bfa_itnim_s *itnim = cbarg; | |
1186 | ||
1187 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_QRESUME); | |
1188 | } | |
1189 | ||
1190 | ||
1191 | ||
1192 | ||
1193 | /** | |
1194 | * bfa_itnim_public | |
1195 | */ | |
1196 | ||
1197 | void | |
1198 | bfa_itnim_iodone(struct bfa_itnim_s *itnim) | |
1199 | { | |
1200 | bfa_wc_down(&itnim->wc); | |
1201 | } | |
1202 | ||
1203 | void | |
1204 | bfa_itnim_tskdone(struct bfa_itnim_s *itnim) | |
1205 | { | |
1206 | bfa_wc_down(&itnim->wc); | |
1207 | } | |
1208 | ||
1209 | void | |
1210 | bfa_itnim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len, | |
1211 | u32 *dm_len) | |
1212 | { | |
1213 | /** | |
1214 | * ITN memory | |
1215 | */ | |
1216 | *km_len += cfg->fwcfg.num_rports * sizeof(struct bfa_itnim_s); | |
1217 | } | |
1218 | ||
1219 | void | |
1220 | bfa_itnim_attach(struct bfa_fcpim_mod_s *fcpim, struct bfa_meminfo_s *minfo) | |
1221 | { | |
1222 | struct bfa_s *bfa = fcpim->bfa; | |
1223 | struct bfa_itnim_s *itnim; | |
1224 | int i, j; | |
1225 | ||
1226 | INIT_LIST_HEAD(&fcpim->itnim_q); | |
1227 | ||
1228 | itnim = (struct bfa_itnim_s *) bfa_meminfo_kva(minfo); | |
1229 | fcpim->itnim_arr = itnim; | |
1230 | ||
1231 | for (i = 0; i < fcpim->num_itnims; i++, itnim++) { | |
6a18b167 | 1232 | memset(itnim, 0, sizeof(struct bfa_itnim_s)); |
a36c61f9 KG |
1233 | itnim->bfa = bfa; |
1234 | itnim->fcpim = fcpim; | |
1235 | itnim->reqq = BFA_REQQ_QOS_LO; | |
1236 | itnim->rport = BFA_RPORT_FROM_TAG(bfa, i); | |
1237 | itnim->iotov_active = BFA_FALSE; | |
1238 | bfa_reqq_winit(&itnim->reqq_wait, bfa_itnim_qresume, itnim); | |
1239 | ||
1240 | INIT_LIST_HEAD(&itnim->io_q); | |
1241 | INIT_LIST_HEAD(&itnim->io_cleanup_q); | |
1242 | INIT_LIST_HEAD(&itnim->pending_q); | |
1243 | INIT_LIST_HEAD(&itnim->tsk_q); | |
1244 | INIT_LIST_HEAD(&itnim->delay_comp_q); | |
1245 | for (j = 0; j < BFA_IOBUCKET_MAX; j++) | |
1246 | itnim->ioprofile.io_latency.min[j] = ~0; | |
1247 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
1248 | } | |
1249 | ||
1250 | bfa_meminfo_kva(minfo) = (u8 *) itnim; | |
1251 | } | |
1252 | ||
1253 | void | |
1254 | bfa_itnim_iocdisable(struct bfa_itnim_s *itnim) | |
1255 | { | |
1256 | bfa_stats(itnim, ioc_disabled); | |
1257 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_HWFAIL); | |
1258 | } | |
1259 | ||
1260 | static bfa_boolean_t | |
1261 | bfa_itnim_send_fwcreate(struct bfa_itnim_s *itnim) | |
1262 | { | |
1263 | struct bfi_itnim_create_req_s *m; | |
1264 | ||
1265 | itnim->msg_no++; | |
1266 | ||
1267 | /** | |
1268 | * check for room in queue to send request now | |
1269 | */ | |
1270 | m = bfa_reqq_next(itnim->bfa, itnim->reqq); | |
1271 | if (!m) { | |
1272 | bfa_reqq_wait(itnim->bfa, itnim->reqq, &itnim->reqq_wait); | |
1273 | return BFA_FALSE; | |
1274 | } | |
1275 | ||
1276 | bfi_h2i_set(m->mh, BFI_MC_ITNIM, BFI_ITNIM_H2I_CREATE_REQ, | |
1277 | bfa_lpuid(itnim->bfa)); | |
1278 | m->fw_handle = itnim->rport->fw_handle; | |
1279 | m->class = FC_CLASS_3; | |
1280 | m->seq_rec = itnim->seq_rec; | |
1281 | m->msg_no = itnim->msg_no; | |
1282 | bfa_stats(itnim, fw_create); | |
1283 | ||
1284 | /** | |
1285 | * queue I/O message to firmware | |
1286 | */ | |
1287 | bfa_reqq_produce(itnim->bfa, itnim->reqq); | |
1288 | return BFA_TRUE; | |
1289 | } | |
1290 | ||
1291 | static bfa_boolean_t | |
1292 | bfa_itnim_send_fwdelete(struct bfa_itnim_s *itnim) | |
1293 | { | |
1294 | struct bfi_itnim_delete_req_s *m; | |
1295 | ||
1296 | /** | |
1297 | * check for room in queue to send request now | |
1298 | */ | |
1299 | m = bfa_reqq_next(itnim->bfa, itnim->reqq); | |
1300 | if (!m) { | |
1301 | bfa_reqq_wait(itnim->bfa, itnim->reqq, &itnim->reqq_wait); | |
1302 | return BFA_FALSE; | |
1303 | } | |
1304 | ||
1305 | bfi_h2i_set(m->mh, BFI_MC_ITNIM, BFI_ITNIM_H2I_DELETE_REQ, | |
1306 | bfa_lpuid(itnim->bfa)); | |
1307 | m->fw_handle = itnim->rport->fw_handle; | |
1308 | bfa_stats(itnim, fw_delete); | |
1309 | ||
1310 | /** | |
1311 | * queue I/O message to firmware | |
1312 | */ | |
1313 | bfa_reqq_produce(itnim->bfa, itnim->reqq); | |
1314 | return BFA_TRUE; | |
1315 | } | |
1316 | ||
1317 | /** | |
1318 | * Cleanup all pending failed inflight requests. | |
1319 | */ | |
1320 | static void | |
1321 | bfa_itnim_delayed_comp(struct bfa_itnim_s *itnim, bfa_boolean_t iotov) | |
1322 | { | |
1323 | struct bfa_ioim_s *ioim; | |
1324 | struct list_head *qe, *qen; | |
1325 | ||
1326 | list_for_each_safe(qe, qen, &itnim->delay_comp_q) { | |
1327 | ioim = (struct bfa_ioim_s *)qe; | |
1328 | bfa_ioim_delayed_comp(ioim, iotov); | |
1329 | } | |
1330 | } | |
1331 | ||
1332 | /** | |
1333 | * Start all pending IO requests. | |
1334 | */ | |
1335 | static void | |
1336 | bfa_itnim_iotov_online(struct bfa_itnim_s *itnim) | |
1337 | { | |
1338 | struct bfa_ioim_s *ioim; | |
1339 | ||
1340 | bfa_itnim_iotov_stop(itnim); | |
1341 | ||
1342 | /** | |
1343 | * Abort all inflight IO requests in the queue | |
1344 | */ | |
1345 | bfa_itnim_delayed_comp(itnim, BFA_FALSE); | |
1346 | ||
1347 | /** | |
1348 | * Start all pending IO requests. | |
1349 | */ | |
1350 | while (!list_empty(&itnim->pending_q)) { | |
1351 | bfa_q_deq(&itnim->pending_q, &ioim); | |
1352 | list_add_tail(&ioim->qe, &itnim->io_q); | |
1353 | bfa_ioim_start(ioim); | |
1354 | } | |
1355 | } | |
1356 | ||
1357 | /** | |
1358 | * Fail all pending IO requests | |
1359 | */ | |
1360 | static void | |
1361 | bfa_itnim_iotov_cleanup(struct bfa_itnim_s *itnim) | |
1362 | { | |
1363 | struct bfa_ioim_s *ioim; | |
1364 | ||
1365 | /** | |
1366 | * Fail all inflight IO requests in the queue | |
1367 | */ | |
1368 | bfa_itnim_delayed_comp(itnim, BFA_TRUE); | |
1369 | ||
1370 | /** | |
1371 | * Fail any pending IO requests. | |
1372 | */ | |
1373 | while (!list_empty(&itnim->pending_q)) { | |
1374 | bfa_q_deq(&itnim->pending_q, &ioim); | |
1375 | list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); | |
1376 | bfa_ioim_tov(ioim); | |
1377 | } | |
1378 | } | |
1379 | ||
1380 | /** | |
1381 | * IO TOV timer callback. Fail any pending IO requests. | |
1382 | */ | |
1383 | static void | |
1384 | bfa_itnim_iotov(void *itnim_arg) | |
1385 | { | |
1386 | struct bfa_itnim_s *itnim = itnim_arg; | |
1387 | ||
1388 | itnim->iotov_active = BFA_FALSE; | |
1389 | ||
1390 | bfa_cb_itnim_tov_begin(itnim->ditn); | |
1391 | bfa_itnim_iotov_cleanup(itnim); | |
1392 | bfa_cb_itnim_tov(itnim->ditn); | |
1393 | } | |
1394 | ||
1395 | /** | |
1396 | * Start IO TOV timer for failing back pending IO requests in offline state. | |
1397 | */ | |
1398 | static void | |
1399 | bfa_itnim_iotov_start(struct bfa_itnim_s *itnim) | |
1400 | { | |
1401 | if (itnim->fcpim->path_tov > 0) { | |
1402 | ||
1403 | itnim->iotov_active = BFA_TRUE; | |
1404 | bfa_assert(bfa_itnim_hold_io(itnim)); | |
1405 | bfa_timer_start(itnim->bfa, &itnim->timer, | |
1406 | bfa_itnim_iotov, itnim, itnim->fcpim->path_tov); | |
1407 | } | |
1408 | } | |
1409 | ||
1410 | /** | |
1411 | * Stop IO TOV timer. | |
1412 | */ | |
1413 | static void | |
1414 | bfa_itnim_iotov_stop(struct bfa_itnim_s *itnim) | |
1415 | { | |
1416 | if (itnim->iotov_active) { | |
1417 | itnim->iotov_active = BFA_FALSE; | |
1418 | bfa_timer_stop(&itnim->timer); | |
1419 | } | |
1420 | } | |
1421 | ||
1422 | /** | |
1423 | * Stop IO TOV timer. | |
1424 | */ | |
1425 | static void | |
1426 | bfa_itnim_iotov_delete(struct bfa_itnim_s *itnim) | |
1427 | { | |
1428 | bfa_boolean_t pathtov_active = BFA_FALSE; | |
1429 | ||
1430 | if (itnim->iotov_active) | |
1431 | pathtov_active = BFA_TRUE; | |
1432 | ||
1433 | bfa_itnim_iotov_stop(itnim); | |
1434 | if (pathtov_active) | |
1435 | bfa_cb_itnim_tov_begin(itnim->ditn); | |
1436 | bfa_itnim_iotov_cleanup(itnim); | |
1437 | if (pathtov_active) | |
1438 | bfa_cb_itnim_tov(itnim->ditn); | |
1439 | } | |
1440 | ||
1441 | static void | |
1442 | bfa_itnim_update_del_itn_stats(struct bfa_itnim_s *itnim) | |
1443 | { | |
1444 | struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(itnim->bfa); | |
1445 | fcpim->del_itn_stats.del_itn_iocomp_aborted += | |
1446 | itnim->stats.iocomp_aborted; | |
1447 | fcpim->del_itn_stats.del_itn_iocomp_timedout += | |
1448 | itnim->stats.iocomp_timedout; | |
1449 | fcpim->del_itn_stats.del_itn_iocom_sqer_needed += | |
1450 | itnim->stats.iocom_sqer_needed; | |
1451 | fcpim->del_itn_stats.del_itn_iocom_res_free += | |
1452 | itnim->stats.iocom_res_free; | |
1453 | fcpim->del_itn_stats.del_itn_iocom_hostabrts += | |
1454 | itnim->stats.iocom_hostabrts; | |
1455 | fcpim->del_itn_stats.del_itn_total_ios += itnim->stats.total_ios; | |
1456 | fcpim->del_itn_stats.del_io_iocdowns += itnim->stats.io_iocdowns; | |
1457 | fcpim->del_itn_stats.del_tm_iocdowns += itnim->stats.tm_iocdowns; | |
1458 | } | |
1459 | ||
1460 | ||
1461 | ||
1462 | /** | |
1463 | * bfa_itnim_public | |
1464 | */ | |
1465 | ||
1466 | /** | |
1467 | * Itnim interrupt processing. | |
1468 | */ | |
1469 | void | |
1470 | bfa_itnim_isr(struct bfa_s *bfa, struct bfi_msg_s *m) | |
1471 | { | |
1472 | struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); | |
1473 | union bfi_itnim_i2h_msg_u msg; | |
1474 | struct bfa_itnim_s *itnim; | |
1475 | ||
1476 | bfa_trc(bfa, m->mhdr.msg_id); | |
1477 | ||
1478 | msg.msg = m; | |
1479 | ||
1480 | switch (m->mhdr.msg_id) { | |
1481 | case BFI_ITNIM_I2H_CREATE_RSP: | |
1482 | itnim = BFA_ITNIM_FROM_TAG(fcpim, | |
1483 | msg.create_rsp->bfa_handle); | |
1484 | bfa_assert(msg.create_rsp->status == BFA_STATUS_OK); | |
1485 | bfa_stats(itnim, create_comps); | |
1486 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_FWRSP); | |
1487 | break; | |
1488 | ||
1489 | case BFI_ITNIM_I2H_DELETE_RSP: | |
1490 | itnim = BFA_ITNIM_FROM_TAG(fcpim, | |
1491 | msg.delete_rsp->bfa_handle); | |
1492 | bfa_assert(msg.delete_rsp->status == BFA_STATUS_OK); | |
1493 | bfa_stats(itnim, delete_comps); | |
1494 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_FWRSP); | |
1495 | break; | |
1496 | ||
1497 | case BFI_ITNIM_I2H_SLER_EVENT: | |
1498 | itnim = BFA_ITNIM_FROM_TAG(fcpim, | |
1499 | msg.sler_event->bfa_handle); | |
1500 | bfa_stats(itnim, sler_events); | |
1501 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_SLER); | |
1502 | break; | |
1503 | ||
1504 | default: | |
1505 | bfa_trc(bfa, m->mhdr.msg_id); | |
1506 | bfa_assert(0); | |
1507 | } | |
1508 | } | |
1509 | ||
1510 | ||
1511 | ||
1512 | /** | |
1513 | * bfa_itnim_api | |
1514 | */ | |
1515 | ||
1516 | struct bfa_itnim_s * | |
1517 | bfa_itnim_create(struct bfa_s *bfa, struct bfa_rport_s *rport, void *ditn) | |
1518 | { | |
1519 | struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); | |
1520 | struct bfa_itnim_s *itnim; | |
1521 | ||
1522 | itnim = BFA_ITNIM_FROM_TAG(fcpim, rport->rport_tag); | |
1523 | bfa_assert(itnim->rport == rport); | |
1524 | ||
1525 | itnim->ditn = ditn; | |
1526 | ||
1527 | bfa_stats(itnim, creates); | |
1528 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_CREATE); | |
1529 | ||
1530 | return itnim; | |
1531 | } | |
1532 | ||
1533 | void | |
1534 | bfa_itnim_delete(struct bfa_itnim_s *itnim) | |
1535 | { | |
1536 | bfa_stats(itnim, deletes); | |
1537 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_DELETE); | |
1538 | } | |
1539 | ||
1540 | void | |
1541 | bfa_itnim_online(struct bfa_itnim_s *itnim, bfa_boolean_t seq_rec) | |
1542 | { | |
1543 | itnim->seq_rec = seq_rec; | |
1544 | bfa_stats(itnim, onlines); | |
1545 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_ONLINE); | |
1546 | } | |
1547 | ||
1548 | void | |
1549 | bfa_itnim_offline(struct bfa_itnim_s *itnim) | |
1550 | { | |
1551 | bfa_stats(itnim, offlines); | |
1552 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_OFFLINE); | |
1553 | } | |
1554 | ||
1555 | /** | |
1556 | * Return true if itnim is considered offline for holding off IO request. | |
1557 | * IO is not held if itnim is being deleted. | |
1558 | */ | |
1559 | bfa_boolean_t | |
1560 | bfa_itnim_hold_io(struct bfa_itnim_s *itnim) | |
1561 | { | |
1562 | return itnim->fcpim->path_tov && itnim->iotov_active && | |
1563 | (bfa_sm_cmp_state(itnim, bfa_itnim_sm_fwcreate) || | |
1564 | bfa_sm_cmp_state(itnim, bfa_itnim_sm_sler) || | |
1565 | bfa_sm_cmp_state(itnim, bfa_itnim_sm_cleanup_offline) || | |
1566 | bfa_sm_cmp_state(itnim, bfa_itnim_sm_fwdelete) || | |
1567 | bfa_sm_cmp_state(itnim, bfa_itnim_sm_offline) || | |
1568 | bfa_sm_cmp_state(itnim, bfa_itnim_sm_iocdisable)); | |
1569 | } | |
1570 | ||
1571 | bfa_status_t | |
1572 | bfa_itnim_get_ioprofile(struct bfa_itnim_s *itnim, | |
1573 | struct bfa_itnim_ioprofile_s *ioprofile) | |
1574 | { | |
1575 | struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(itnim->bfa); | |
1576 | if (!fcpim->io_profile) | |
1577 | return BFA_STATUS_IOPROFILE_OFF; | |
1578 | ||
1579 | itnim->ioprofile.index = BFA_IOBUCKET_MAX; | |
1580 | itnim->ioprofile.io_profile_start_time = | |
1581 | bfa_io_profile_start_time(itnim->bfa); | |
1582 | itnim->ioprofile.clock_res_mul = bfa_io_lat_clock_res_mul; | |
1583 | itnim->ioprofile.clock_res_div = bfa_io_lat_clock_res_div; | |
1584 | *ioprofile = itnim->ioprofile; | |
1585 | ||
1586 | return BFA_STATUS_OK; | |
1587 | } | |
1588 | ||
1589 | void | |
1590 | bfa_itnim_get_stats(struct bfa_itnim_s *itnim, | |
1591 | struct bfa_itnim_iostats_s *stats) | |
1592 | { | |
1593 | *stats = itnim->stats; | |
1594 | } | |
1595 | ||
1596 | void | |
1597 | bfa_itnim_clear_stats(struct bfa_itnim_s *itnim) | |
1598 | { | |
1599 | int j; | |
6a18b167 JH |
1600 | memset(&itnim->stats, 0, sizeof(itnim->stats)); |
1601 | memset(&itnim->ioprofile, 0, sizeof(itnim->ioprofile)); | |
a36c61f9 KG |
1602 | for (j = 0; j < BFA_IOBUCKET_MAX; j++) |
1603 | itnim->ioprofile.io_latency.min[j] = ~0; | |
1604 | } | |
1605 | ||
1606 | /** | |
1607 | * BFA IO module state machine functions | |
1608 | */ | |
1609 | ||
1610 | /** | |
1611 | * IO is not started (unallocated). | |
1612 | */ | |
1613 | static void | |
1614 | bfa_ioim_sm_uninit(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1615 | { | |
1616 | bfa_trc_fp(ioim->bfa, ioim->iotag); | |
1617 | bfa_trc_fp(ioim->bfa, event); | |
1618 | ||
1619 | switch (event) { | |
1620 | case BFA_IOIM_SM_START: | |
1621 | if (!bfa_itnim_is_online(ioim->itnim)) { | |
1622 | if (!bfa_itnim_hold_io(ioim->itnim)) { | |
1623 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1624 | list_del(&ioim->qe); | |
1625 | list_add_tail(&ioim->qe, | |
1626 | &ioim->fcpim->ioim_comp_q); | |
1627 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, | |
1628 | __bfa_cb_ioim_pathtov, ioim); | |
1629 | } else { | |
1630 | list_del(&ioim->qe); | |
1631 | list_add_tail(&ioim->qe, | |
1632 | &ioim->itnim->pending_q); | |
1633 | } | |
1634 | break; | |
1635 | } | |
1636 | ||
1637 | if (ioim->nsges > BFI_SGE_INLINE) { | |
1638 | if (!bfa_ioim_sge_setup(ioim)) { | |
1639 | bfa_sm_set_state(ioim, bfa_ioim_sm_sgalloc); | |
1640 | return; | |
1641 | } | |
1642 | } | |
1643 | ||
1644 | if (!bfa_ioim_send_ioreq(ioim)) { | |
1645 | bfa_sm_set_state(ioim, bfa_ioim_sm_qfull); | |
1646 | break; | |
1647 | } | |
1648 | ||
1649 | bfa_sm_set_state(ioim, bfa_ioim_sm_active); | |
1650 | break; | |
1651 | ||
1652 | case BFA_IOIM_SM_IOTOV: | |
1653 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1654 | bfa_ioim_move_to_comp_q(ioim); | |
1655 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, | |
1656 | __bfa_cb_ioim_pathtov, ioim); | |
1657 | break; | |
1658 | ||
1659 | case BFA_IOIM_SM_ABORT: | |
1660 | /** | |
1661 | * IO in pending queue can get abort requests. Complete abort | |
1662 | * requests immediately. | |
1663 | */ | |
1664 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1665 | bfa_assert(bfa_q_is_on_q(&ioim->itnim->pending_q, ioim)); | |
1666 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, | |
1667 | __bfa_cb_ioim_abort, ioim); | |
1668 | break; | |
1669 | ||
1670 | default: | |
1671 | bfa_sm_fault(ioim->bfa, event); | |
1672 | } | |
1673 | } | |
1674 | ||
1675 | /** | |
1676 | * IO is waiting for SG pages. | |
1677 | */ | |
1678 | static void | |
1679 | bfa_ioim_sm_sgalloc(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1680 | { | |
1681 | bfa_trc(ioim->bfa, ioim->iotag); | |
1682 | bfa_trc(ioim->bfa, event); | |
1683 | ||
1684 | switch (event) { | |
1685 | case BFA_IOIM_SM_SGALLOCED: | |
1686 | if (!bfa_ioim_send_ioreq(ioim)) { | |
1687 | bfa_sm_set_state(ioim, bfa_ioim_sm_qfull); | |
1688 | break; | |
1689 | } | |
1690 | bfa_sm_set_state(ioim, bfa_ioim_sm_active); | |
1691 | break; | |
1692 | ||
1693 | case BFA_IOIM_SM_CLEANUP: | |
1694 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1695 | bfa_sgpg_wcancel(ioim->bfa, &ioim->iosp->sgpg_wqe); | |
1696 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1697 | ioim); | |
1698 | bfa_ioim_notify_cleanup(ioim); | |
1699 | break; | |
1700 | ||
1701 | case BFA_IOIM_SM_ABORT: | |
1702 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1703 | bfa_sgpg_wcancel(ioim->bfa, &ioim->iosp->sgpg_wqe); | |
1704 | bfa_ioim_move_to_comp_q(ioim); | |
1705 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1706 | ioim); | |
1707 | break; | |
1708 | ||
1709 | case BFA_IOIM_SM_HWFAIL: | |
1710 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1711 | bfa_sgpg_wcancel(ioim->bfa, &ioim->iosp->sgpg_wqe); | |
1712 | bfa_ioim_move_to_comp_q(ioim); | |
1713 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1714 | ioim); | |
1715 | break; | |
1716 | ||
1717 | default: | |
1718 | bfa_sm_fault(ioim->bfa, event); | |
1719 | } | |
1720 | } | |
1721 | ||
1722 | /** | |
1723 | * IO is active. | |
1724 | */ | |
1725 | static void | |
1726 | bfa_ioim_sm_active(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1727 | { | |
1728 | bfa_trc_fp(ioim->bfa, ioim->iotag); | |
1729 | bfa_trc_fp(ioim->bfa, event); | |
1730 | ||
1731 | switch (event) { | |
1732 | case BFA_IOIM_SM_COMP_GOOD: | |
1733 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1734 | bfa_ioim_move_to_comp_q(ioim); | |
1735 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, | |
1736 | __bfa_cb_ioim_good_comp, ioim); | |
1737 | break; | |
1738 | ||
1739 | case BFA_IOIM_SM_COMP: | |
1740 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1741 | bfa_ioim_move_to_comp_q(ioim); | |
1742 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_comp, | |
1743 | ioim); | |
1744 | break; | |
1745 | ||
1746 | case BFA_IOIM_SM_DONE: | |
1747 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
1748 | bfa_ioim_move_to_comp_q(ioim); | |
1749 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_comp, | |
1750 | ioim); | |
1751 | break; | |
1752 | ||
1753 | case BFA_IOIM_SM_ABORT: | |
1754 | ioim->iosp->abort_explicit = BFA_TRUE; | |
1755 | ioim->io_cbfn = __bfa_cb_ioim_abort; | |
1756 | ||
1757 | if (bfa_ioim_send_abort(ioim)) | |
1758 | bfa_sm_set_state(ioim, bfa_ioim_sm_abort); | |
1759 | else { | |
1760 | bfa_sm_set_state(ioim, bfa_ioim_sm_abort_qfull); | |
1761 | bfa_stats(ioim->itnim, qwait); | |
1762 | bfa_reqq_wait(ioim->bfa, ioim->reqq, | |
1763 | &ioim->iosp->reqq_wait); | |
1764 | } | |
1765 | break; | |
1766 | ||
1767 | case BFA_IOIM_SM_CLEANUP: | |
1768 | ioim->iosp->abort_explicit = BFA_FALSE; | |
1769 | ioim->io_cbfn = __bfa_cb_ioim_failed; | |
1770 | ||
1771 | if (bfa_ioim_send_abort(ioim)) | |
1772 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); | |
1773 | else { | |
1774 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); | |
1775 | bfa_stats(ioim->itnim, qwait); | |
1776 | bfa_reqq_wait(ioim->bfa, ioim->reqq, | |
1777 | &ioim->iosp->reqq_wait); | |
1778 | } | |
1779 | break; | |
1780 | ||
1781 | case BFA_IOIM_SM_HWFAIL: | |
1782 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1783 | bfa_ioim_move_to_comp_q(ioim); | |
1784 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1785 | ioim); | |
1786 | break; | |
1787 | ||
1788 | case BFA_IOIM_SM_SQRETRY: | |
1789 | if (bfa_ioim_get_iotag(ioim) != BFA_TRUE) { | |
1790 | /* max retry completed free IO */ | |
1791 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
1792 | bfa_ioim_move_to_comp_q(ioim); | |
1793 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, | |
1794 | __bfa_cb_ioim_failed, ioim); | |
1795 | break; | |
1796 | } | |
1797 | /* waiting for IO tag resource free */ | |
1798 | bfa_sm_set_state(ioim, bfa_ioim_sm_cmnd_retry); | |
1799 | break; | |
1800 | ||
1801 | default: | |
1802 | bfa_sm_fault(ioim->bfa, event); | |
1803 | } | |
1804 | } | |
1805 | ||
1806 | /** | |
1807 | * IO is retried with new tag. | |
1808 | */ | |
1809 | static void | |
1810 | bfa_ioim_sm_cmnd_retry(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1811 | { | |
1812 | bfa_trc_fp(ioim->bfa, ioim->iotag); | |
1813 | bfa_trc_fp(ioim->bfa, event); | |
1814 | ||
1815 | switch (event) { | |
1816 | case BFA_IOIM_SM_FREE: | |
1817 | /* abts and rrq done. Now retry the IO with new tag */ | |
1818 | if (!bfa_ioim_send_ioreq(ioim)) { | |
1819 | bfa_sm_set_state(ioim, bfa_ioim_sm_qfull); | |
1820 | break; | |
1821 | } | |
1822 | bfa_sm_set_state(ioim, bfa_ioim_sm_active); | |
1823 | break; | |
1824 | ||
1825 | case BFA_IOIM_SM_CLEANUP: | |
1826 | ioim->iosp->abort_explicit = BFA_FALSE; | |
1827 | ioim->io_cbfn = __bfa_cb_ioim_failed; | |
1828 | ||
1829 | if (bfa_ioim_send_abort(ioim)) | |
1830 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); | |
1831 | else { | |
1832 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); | |
1833 | bfa_stats(ioim->itnim, qwait); | |
1834 | bfa_reqq_wait(ioim->bfa, ioim->reqq, | |
1835 | &ioim->iosp->reqq_wait); | |
1836 | } | |
1837 | break; | |
1838 | ||
1839 | case BFA_IOIM_SM_HWFAIL: | |
1840 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1841 | bfa_ioim_move_to_comp_q(ioim); | |
1842 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, | |
1843 | __bfa_cb_ioim_failed, ioim); | |
1844 | break; | |
1845 | ||
1846 | case BFA_IOIM_SM_ABORT: | |
1847 | /** in this state IO abort is done. | |
1848 | * Waiting for IO tag resource free. | |
1849 | */ | |
1850 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
1851 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1852 | ioim); | |
1853 | break; | |
1854 | ||
1855 | default: | |
1856 | bfa_sm_fault(ioim->bfa, event); | |
1857 | } | |
1858 | } | |
1859 | ||
1860 | /** | |
1861 | * IO is being aborted, waiting for completion from firmware. | |
1862 | */ | |
1863 | static void | |
1864 | bfa_ioim_sm_abort(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1865 | { | |
1866 | bfa_trc(ioim->bfa, ioim->iotag); | |
1867 | bfa_trc(ioim->bfa, event); | |
1868 | ||
1869 | switch (event) { | |
1870 | case BFA_IOIM_SM_COMP_GOOD: | |
1871 | case BFA_IOIM_SM_COMP: | |
1872 | case BFA_IOIM_SM_DONE: | |
1873 | case BFA_IOIM_SM_FREE: | |
1874 | break; | |
1875 | ||
1876 | case BFA_IOIM_SM_ABORT_DONE: | |
1877 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
1878 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1879 | ioim); | |
1880 | break; | |
1881 | ||
1882 | case BFA_IOIM_SM_ABORT_COMP: | |
1883 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1884 | bfa_ioim_move_to_comp_q(ioim); | |
1885 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1886 | ioim); | |
1887 | break; | |
1888 | ||
1889 | case BFA_IOIM_SM_COMP_UTAG: | |
1890 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
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_assert(ioim->iosp->abort_explicit == BFA_TRUE); | |
1898 | ioim->iosp->abort_explicit = BFA_FALSE; | |
1899 | ||
1900 | if (bfa_ioim_send_abort(ioim)) | |
1901 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); | |
1902 | else { | |
1903 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); | |
1904 | bfa_stats(ioim->itnim, qwait); | |
1905 | bfa_reqq_wait(ioim->bfa, ioim->reqq, | |
1906 | &ioim->iosp->reqq_wait); | |
1907 | } | |
1908 | break; | |
1909 | ||
1910 | case BFA_IOIM_SM_HWFAIL: | |
1911 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1912 | bfa_ioim_move_to_comp_q(ioim); | |
1913 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1914 | ioim); | |
1915 | break; | |
1916 | ||
1917 | default: | |
1918 | bfa_sm_fault(ioim->bfa, event); | |
1919 | } | |
1920 | } | |
1921 | ||
1922 | /** | |
1923 | * IO is being cleaned up (implicit abort), waiting for completion from | |
1924 | * firmware. | |
1925 | */ | |
1926 | static void | |
1927 | bfa_ioim_sm_cleanup(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1928 | { | |
1929 | bfa_trc(ioim->bfa, ioim->iotag); | |
1930 | bfa_trc(ioim->bfa, event); | |
1931 | ||
1932 | switch (event) { | |
1933 | case BFA_IOIM_SM_COMP_GOOD: | |
1934 | case BFA_IOIM_SM_COMP: | |
1935 | case BFA_IOIM_SM_DONE: | |
1936 | case BFA_IOIM_SM_FREE: | |
1937 | break; | |
1938 | ||
1939 | case BFA_IOIM_SM_ABORT: | |
1940 | /** | |
1941 | * IO is already being aborted implicitly | |
1942 | */ | |
1943 | ioim->io_cbfn = __bfa_cb_ioim_abort; | |
1944 | break; | |
1945 | ||
1946 | case BFA_IOIM_SM_ABORT_DONE: | |
1947 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
1948 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
1949 | bfa_ioim_notify_cleanup(ioim); | |
1950 | break; | |
1951 | ||
1952 | case BFA_IOIM_SM_ABORT_COMP: | |
1953 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1954 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
1955 | bfa_ioim_notify_cleanup(ioim); | |
1956 | break; | |
1957 | ||
1958 | case BFA_IOIM_SM_COMP_UTAG: | |
1959 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1960 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
1961 | bfa_ioim_notify_cleanup(ioim); | |
1962 | break; | |
1963 | ||
1964 | case BFA_IOIM_SM_HWFAIL: | |
1965 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1966 | bfa_ioim_move_to_comp_q(ioim); | |
1967 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1968 | ioim); | |
1969 | break; | |
1970 | ||
1971 | case BFA_IOIM_SM_CLEANUP: | |
1972 | /** | |
1973 | * IO can be in cleanup state already due to TM command. | |
1974 | * 2nd cleanup request comes from ITN offline event. | |
1975 | */ | |
1976 | break; | |
1977 | ||
1978 | default: | |
1979 | bfa_sm_fault(ioim->bfa, event); | |
1980 | } | |
1981 | } | |
1982 | ||
1983 | /** | |
1984 | * IO is waiting for room in request CQ | |
1985 | */ | |
1986 | static void | |
1987 | bfa_ioim_sm_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1988 | { | |
1989 | bfa_trc(ioim->bfa, ioim->iotag); | |
1990 | bfa_trc(ioim->bfa, event); | |
1991 | ||
1992 | switch (event) { | |
1993 | case BFA_IOIM_SM_QRESUME: | |
1994 | bfa_sm_set_state(ioim, bfa_ioim_sm_active); | |
1995 | bfa_ioim_send_ioreq(ioim); | |
1996 | break; | |
1997 | ||
1998 | case BFA_IOIM_SM_ABORT: | |
1999 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
2000 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
2001 | bfa_ioim_move_to_comp_q(ioim); | |
2002 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
2003 | ioim); | |
2004 | break; | |
2005 | ||
2006 | case BFA_IOIM_SM_CLEANUP: | |
2007 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
2008 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
2009 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
2010 | ioim); | |
2011 | bfa_ioim_notify_cleanup(ioim); | |
2012 | break; | |
2013 | ||
2014 | case BFA_IOIM_SM_HWFAIL: | |
2015 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
2016 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
2017 | bfa_ioim_move_to_comp_q(ioim); | |
2018 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
2019 | ioim); | |
2020 | break; | |
2021 | ||
2022 | default: | |
2023 | bfa_sm_fault(ioim->bfa, event); | |
2024 | } | |
2025 | } | |
2026 | ||
2027 | /** | |
2028 | * Active IO is being aborted, waiting for room in request CQ. | |
2029 | */ | |
2030 | static void | |
2031 | bfa_ioim_sm_abort_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
2032 | { | |
2033 | bfa_trc(ioim->bfa, ioim->iotag); | |
2034 | bfa_trc(ioim->bfa, event); | |
2035 | ||
2036 | switch (event) { | |
2037 | case BFA_IOIM_SM_QRESUME: | |
2038 | bfa_sm_set_state(ioim, bfa_ioim_sm_abort); | |
2039 | bfa_ioim_send_abort(ioim); | |
2040 | break; | |
2041 | ||
2042 | case BFA_IOIM_SM_CLEANUP: | |
2043 | bfa_assert(ioim->iosp->abort_explicit == BFA_TRUE); | |
2044 | ioim->iosp->abort_explicit = BFA_FALSE; | |
2045 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); | |
2046 | break; | |
2047 | ||
2048 | case BFA_IOIM_SM_COMP_GOOD: | |
2049 | case BFA_IOIM_SM_COMP: | |
2050 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
2051 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
2052 | bfa_ioim_move_to_comp_q(ioim); | |
2053 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
2054 | ioim); | |
2055 | break; | |
2056 | ||
2057 | case BFA_IOIM_SM_DONE: | |
2058 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
2059 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
2060 | bfa_ioim_move_to_comp_q(ioim); | |
2061 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
2062 | ioim); | |
2063 | break; | |
2064 | ||
2065 | case BFA_IOIM_SM_HWFAIL: | |
2066 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
2067 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
2068 | bfa_ioim_move_to_comp_q(ioim); | |
2069 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
2070 | ioim); | |
2071 | break; | |
2072 | ||
2073 | default: | |
2074 | bfa_sm_fault(ioim->bfa, event); | |
2075 | } | |
2076 | } | |
2077 | ||
2078 | /** | |
2079 | * Active IO is being cleaned up, waiting for room in request CQ. | |
2080 | */ | |
2081 | static void | |
2082 | bfa_ioim_sm_cleanup_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
2083 | { | |
2084 | bfa_trc(ioim->bfa, ioim->iotag); | |
2085 | bfa_trc(ioim->bfa, event); | |
2086 | ||
2087 | switch (event) { | |
2088 | case BFA_IOIM_SM_QRESUME: | |
2089 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); | |
2090 | bfa_ioim_send_abort(ioim); | |
2091 | break; | |
2092 | ||
2093 | case BFA_IOIM_SM_ABORT: | |
2094 | /** | |
2095 | * IO is alraedy being cleaned up implicitly | |
2096 | */ | |
2097 | ioim->io_cbfn = __bfa_cb_ioim_abort; | |
2098 | break; | |
2099 | ||
2100 | case BFA_IOIM_SM_COMP_GOOD: | |
2101 | case BFA_IOIM_SM_COMP: | |
2102 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
2103 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
2104 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
2105 | bfa_ioim_notify_cleanup(ioim); | |
2106 | break; | |
2107 | ||
2108 | case BFA_IOIM_SM_DONE: | |
2109 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
2110 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
2111 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
2112 | bfa_ioim_notify_cleanup(ioim); | |
2113 | break; | |
2114 | ||
2115 | case BFA_IOIM_SM_HWFAIL: | |
2116 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
2117 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
2118 | bfa_ioim_move_to_comp_q(ioim); | |
2119 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
2120 | ioim); | |
2121 | break; | |
2122 | ||
2123 | default: | |
2124 | bfa_sm_fault(ioim->bfa, event); | |
2125 | } | |
2126 | } | |
2127 | ||
2128 | /** | |
2129 | * IO bfa callback is pending. | |
2130 | */ | |
2131 | static void | |
2132 | bfa_ioim_sm_hcb(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
2133 | { | |
2134 | bfa_trc_fp(ioim->bfa, ioim->iotag); | |
2135 | bfa_trc_fp(ioim->bfa, event); | |
2136 | ||
2137 | switch (event) { | |
2138 | case BFA_IOIM_SM_HCB: | |
2139 | bfa_sm_set_state(ioim, bfa_ioim_sm_uninit); | |
2140 | bfa_ioim_free(ioim); | |
2141 | break; | |
2142 | ||
2143 | case BFA_IOIM_SM_CLEANUP: | |
2144 | bfa_ioim_notify_cleanup(ioim); | |
2145 | break; | |
2146 | ||
2147 | case BFA_IOIM_SM_HWFAIL: | |
2148 | break; | |
2149 | ||
2150 | default: | |
2151 | bfa_sm_fault(ioim->bfa, event); | |
2152 | } | |
2153 | } | |
2154 | ||
2155 | /** | |
2156 | * IO bfa callback is pending. IO resource cannot be freed. | |
2157 | */ | |
2158 | static void | |
2159 | bfa_ioim_sm_hcb_free(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
2160 | { | |
2161 | bfa_trc(ioim->bfa, ioim->iotag); | |
2162 | bfa_trc(ioim->bfa, event); | |
2163 | ||
2164 | switch (event) { | |
2165 | case BFA_IOIM_SM_HCB: | |
2166 | bfa_sm_set_state(ioim, bfa_ioim_sm_resfree); | |
2167 | list_del(&ioim->qe); | |
2168 | list_add_tail(&ioim->qe, &ioim->fcpim->ioim_resfree_q); | |
2169 | break; | |
2170 | ||
2171 | case BFA_IOIM_SM_FREE: | |
2172 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
2173 | break; | |
2174 | ||
2175 | case BFA_IOIM_SM_CLEANUP: | |
2176 | bfa_ioim_notify_cleanup(ioim); | |
2177 | break; | |
2178 | ||
2179 | case BFA_IOIM_SM_HWFAIL: | |
2180 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
2181 | break; | |
2182 | ||
2183 | default: | |
2184 | bfa_sm_fault(ioim->bfa, event); | |
2185 | } | |
2186 | } | |
2187 | ||
2188 | /** | |
2189 | * IO is completed, waiting resource free from firmware. | |
2190 | */ | |
2191 | static void | |
2192 | bfa_ioim_sm_resfree(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
2193 | { | |
2194 | bfa_trc(ioim->bfa, ioim->iotag); | |
2195 | bfa_trc(ioim->bfa, event); | |
2196 | ||
2197 | switch (event) { | |
2198 | case BFA_IOIM_SM_FREE: | |
2199 | bfa_sm_set_state(ioim, bfa_ioim_sm_uninit); | |
2200 | bfa_ioim_free(ioim); | |
2201 | break; | |
2202 | ||
2203 | case BFA_IOIM_SM_CLEANUP: | |
2204 | bfa_ioim_notify_cleanup(ioim); | |
2205 | break; | |
2206 | ||
2207 | case BFA_IOIM_SM_HWFAIL: | |
2208 | break; | |
2209 | ||
2210 | default: | |
2211 | bfa_sm_fault(ioim->bfa, event); | |
2212 | } | |
2213 | } | |
2214 | ||
2215 | ||
2216 | ||
2217 | /** | |
2218 | * hal_ioim_private | |
2219 | */ | |
2220 | ||
2221 | static void | |
2222 | __bfa_cb_ioim_good_comp(void *cbarg, bfa_boolean_t complete) | |
2223 | { | |
2224 | struct bfa_ioim_s *ioim = cbarg; | |
2225 | ||
2226 | if (!complete) { | |
2227 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); | |
2228 | return; | |
2229 | } | |
2230 | ||
2231 | bfa_cb_ioim_good_comp(ioim->bfa->bfad, ioim->dio); | |
2232 | } | |
2233 | ||
2234 | static void | |
2235 | __bfa_cb_ioim_comp(void *cbarg, bfa_boolean_t complete) | |
2236 | { | |
2237 | struct bfa_ioim_s *ioim = cbarg; | |
2238 | struct bfi_ioim_rsp_s *m; | |
2239 | u8 *snsinfo = NULL; | |
2240 | u8 sns_len = 0; | |
2241 | s32 residue = 0; | |
2242 | ||
2243 | if (!complete) { | |
2244 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); | |
2245 | return; | |
2246 | } | |
2247 | ||
2248 | m = (struct bfi_ioim_rsp_s *) &ioim->iosp->comp_rspmsg; | |
2249 | if (m->io_status == BFI_IOIM_STS_OK) { | |
2250 | /** | |
2251 | * setup sense information, if present | |
2252 | */ | |
2253 | if ((m->scsi_status == SCSI_STATUS_CHECK_CONDITION) && | |
2254 | m->sns_len) { | |
2255 | sns_len = m->sns_len; | |
2256 | snsinfo = ioim->iosp->snsinfo; | |
2257 | } | |
2258 | ||
2259 | /** | |
2260 | * setup residue value correctly for normal completions | |
2261 | */ | |
2262 | if (m->resid_flags == FCP_RESID_UNDER) { | |
ba816ea8 | 2263 | residue = be32_to_cpu(m->residue); |
a36c61f9 KG |
2264 | bfa_stats(ioim->itnim, iocomp_underrun); |
2265 | } | |
2266 | if (m->resid_flags == FCP_RESID_OVER) { | |
ba816ea8 | 2267 | residue = be32_to_cpu(m->residue); |
a36c61f9 KG |
2268 | residue = -residue; |
2269 | bfa_stats(ioim->itnim, iocomp_overrun); | |
2270 | } | |
2271 | } | |
2272 | ||
2273 | bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, m->io_status, | |
2274 | m->scsi_status, sns_len, snsinfo, residue); | |
2275 | } | |
2276 | ||
2277 | static void | |
2278 | __bfa_cb_ioim_failed(void *cbarg, bfa_boolean_t complete) | |
2279 | { | |
2280 | struct bfa_ioim_s *ioim = cbarg; | |
2281 | ||
2282 | if (!complete) { | |
2283 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); | |
2284 | return; | |
2285 | } | |
2286 | ||
2287 | bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_ABORTED, | |
2288 | 0, 0, NULL, 0); | |
2289 | } | |
2290 | ||
2291 | static void | |
2292 | __bfa_cb_ioim_pathtov(void *cbarg, bfa_boolean_t complete) | |
2293 | { | |
2294 | struct bfa_ioim_s *ioim = cbarg; | |
2295 | ||
2296 | bfa_stats(ioim->itnim, path_tov_expired); | |
2297 | if (!complete) { | |
2298 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); | |
2299 | return; | |
2300 | } | |
2301 | ||
2302 | bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_PATHTOV, | |
2303 | 0, 0, NULL, 0); | |
2304 | } | |
2305 | ||
2306 | static void | |
2307 | __bfa_cb_ioim_abort(void *cbarg, bfa_boolean_t complete) | |
2308 | { | |
2309 | struct bfa_ioim_s *ioim = cbarg; | |
2310 | ||
2311 | if (!complete) { | |
2312 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); | |
2313 | return; | |
2314 | } | |
2315 | ||
2316 | bfa_cb_ioim_abort(ioim->bfa->bfad, ioim->dio); | |
2317 | } | |
2318 | ||
2319 | static void | |
2320 | bfa_ioim_sgpg_alloced(void *cbarg) | |
2321 | { | |
2322 | struct bfa_ioim_s *ioim = cbarg; | |
2323 | ||
2324 | ioim->nsgpgs = BFA_SGPG_NPAGE(ioim->nsges); | |
2325 | list_splice_tail_init(&ioim->iosp->sgpg_wqe.sgpg_q, &ioim->sgpg_q); | |
2326 | bfa_ioim_sgpg_setup(ioim); | |
2327 | bfa_sm_send_event(ioim, BFA_IOIM_SM_SGALLOCED); | |
2328 | } | |
2329 | ||
2330 | /** | |
2331 | * Send I/O request to firmware. | |
2332 | */ | |
2333 | static bfa_boolean_t | |
2334 | bfa_ioim_send_ioreq(struct bfa_ioim_s *ioim) | |
2335 | { | |
2336 | struct bfa_itnim_s *itnim = ioim->itnim; | |
2337 | struct bfi_ioim_req_s *m; | |
2338 | static struct fcp_cmnd_s cmnd_z0 = { 0 }; | |
2339 | struct bfi_sge_s *sge; | |
2340 | u32 pgdlen = 0; | |
2341 | u32 fcp_dl; | |
2342 | u64 addr; | |
2343 | struct scatterlist *sg; | |
2344 | struct scsi_cmnd *cmnd = (struct scsi_cmnd *) ioim->dio; | |
2345 | ||
2346 | /** | |
2347 | * check for room in queue to send request now | |
2348 | */ | |
2349 | m = bfa_reqq_next(ioim->bfa, ioim->reqq); | |
2350 | if (!m) { | |
2351 | bfa_stats(ioim->itnim, qwait); | |
2352 | bfa_reqq_wait(ioim->bfa, ioim->reqq, | |
2353 | &ioim->iosp->reqq_wait); | |
2354 | return BFA_FALSE; | |
2355 | } | |
2356 | ||
2357 | /** | |
2358 | * build i/o request message next | |
2359 | */ | |
ba816ea8 | 2360 | m->io_tag = cpu_to_be16(ioim->iotag); |
a36c61f9 KG |
2361 | m->rport_hdl = ioim->itnim->rport->fw_handle; |
2362 | m->io_timeout = bfa_cb_ioim_get_timeout(ioim->dio); | |
2363 | ||
2364 | /** | |
2365 | * build inline IO SG element here | |
2366 | */ | |
2367 | sge = &m->sges[0]; | |
2368 | if (ioim->nsges) { | |
2369 | sg = (struct scatterlist *)scsi_sglist(cmnd); | |
2370 | addr = bfa_os_sgaddr(sg_dma_address(sg)); | |
2371 | sge->sga = *(union bfi_addr_u *) &addr; | |
2372 | pgdlen = sg_dma_len(sg); | |
2373 | sge->sg_len = pgdlen; | |
2374 | sge->flags = (ioim->nsges > BFI_SGE_INLINE) ? | |
2375 | BFI_SGE_DATA_CPL : BFI_SGE_DATA_LAST; | |
2376 | bfa_sge_to_be(sge); | |
2377 | sge++; | |
2378 | } | |
2379 | ||
2380 | if (ioim->nsges > BFI_SGE_INLINE) { | |
2381 | sge->sga = ioim->sgpg->sgpg_pa; | |
2382 | } else { | |
2383 | sge->sga.a32.addr_lo = 0; | |
2384 | sge->sga.a32.addr_hi = 0; | |
2385 | } | |
2386 | sge->sg_len = pgdlen; | |
2387 | sge->flags = BFI_SGE_PGDLEN; | |
2388 | bfa_sge_to_be(sge); | |
2389 | ||
2390 | /** | |
2391 | * set up I/O command parameters | |
2392 | */ | |
6a18b167 | 2393 | m->cmnd = cmnd_z0; |
a36c61f9 KG |
2394 | m->cmnd.lun = bfa_cb_ioim_get_lun(ioim->dio); |
2395 | m->cmnd.iodir = bfa_cb_ioim_get_iodir(ioim->dio); | |
6a18b167 | 2396 | m->cmnd.cdb = *(scsi_cdb_t *)bfa_cb_ioim_get_cdb(ioim->dio); |
a36c61f9 | 2397 | fcp_dl = bfa_cb_ioim_get_size(ioim->dio); |
ba816ea8 | 2398 | m->cmnd.fcp_dl = cpu_to_be32(fcp_dl); |
a36c61f9 KG |
2399 | |
2400 | /** | |
2401 | * set up I/O message header | |
2402 | */ | |
2403 | switch (m->cmnd.iodir) { | |
2404 | case FCP_IODIR_READ: | |
2405 | bfi_h2i_set(m->mh, BFI_MC_IOIM_READ, 0, bfa_lpuid(ioim->bfa)); | |
2406 | bfa_stats(itnim, input_reqs); | |
2407 | ioim->itnim->stats.rd_throughput += fcp_dl; | |
2408 | break; | |
2409 | case FCP_IODIR_WRITE: | |
2410 | bfi_h2i_set(m->mh, BFI_MC_IOIM_WRITE, 0, bfa_lpuid(ioim->bfa)); | |
2411 | bfa_stats(itnim, output_reqs); | |
2412 | ioim->itnim->stats.wr_throughput += fcp_dl; | |
2413 | break; | |
2414 | case FCP_IODIR_RW: | |
2415 | bfa_stats(itnim, input_reqs); | |
2416 | bfa_stats(itnim, output_reqs); | |
2417 | default: | |
2418 | bfi_h2i_set(m->mh, BFI_MC_IOIM_IO, 0, bfa_lpuid(ioim->bfa)); | |
2419 | } | |
2420 | if (itnim->seq_rec || | |
2421 | (bfa_cb_ioim_get_size(ioim->dio) & (sizeof(u32) - 1))) | |
2422 | bfi_h2i_set(m->mh, BFI_MC_IOIM_IO, 0, bfa_lpuid(ioim->bfa)); | |
2423 | ||
2424 | #ifdef IOIM_ADVANCED | |
2425 | m->cmnd.crn = bfa_cb_ioim_get_crn(ioim->dio); | |
2426 | m->cmnd.priority = bfa_cb_ioim_get_priority(ioim->dio); | |
2427 | m->cmnd.taskattr = bfa_cb_ioim_get_taskattr(ioim->dio); | |
2428 | ||
2429 | /** | |
2430 | * Handle large CDB (>16 bytes). | |
2431 | */ | |
2432 | m->cmnd.addl_cdb_len = (bfa_cb_ioim_get_cdblen(ioim->dio) - | |
2433 | FCP_CMND_CDB_LEN) / sizeof(u32); | |
2434 | if (m->cmnd.addl_cdb_len) { | |
6a18b167 | 2435 | memcpy(&m->cmnd.cdb + 1, (scsi_cdb_t *) |
a36c61f9 KG |
2436 | bfa_cb_ioim_get_cdb(ioim->dio) + 1, |
2437 | m->cmnd.addl_cdb_len * sizeof(u32)); | |
2438 | fcp_cmnd_fcpdl(&m->cmnd) = | |
ba816ea8 | 2439 | cpu_to_be32(bfa_cb_ioim_get_size(ioim->dio)); |
a36c61f9 KG |
2440 | } |
2441 | #endif | |
2442 | ||
2443 | /** | |
2444 | * queue I/O message to firmware | |
2445 | */ | |
2446 | bfa_reqq_produce(ioim->bfa, ioim->reqq); | |
2447 | return BFA_TRUE; | |
2448 | } | |
2449 | ||
2450 | /** | |
2451 | * Setup any additional SG pages needed.Inline SG element is setup | |
2452 | * at queuing time. | |
2453 | */ | |
2454 | static bfa_boolean_t | |
2455 | bfa_ioim_sge_setup(struct bfa_ioim_s *ioim) | |
2456 | { | |
2457 | u16 nsgpgs; | |
2458 | ||
2459 | bfa_assert(ioim->nsges > BFI_SGE_INLINE); | |
2460 | ||
2461 | /** | |
2462 | * allocate SG pages needed | |
2463 | */ | |
2464 | nsgpgs = BFA_SGPG_NPAGE(ioim->nsges); | |
2465 | if (!nsgpgs) | |
2466 | return BFA_TRUE; | |
2467 | ||
2468 | if (bfa_sgpg_malloc(ioim->bfa, &ioim->sgpg_q, nsgpgs) | |
2469 | != BFA_STATUS_OK) { | |
2470 | bfa_sgpg_wait(ioim->bfa, &ioim->iosp->sgpg_wqe, nsgpgs); | |
2471 | return BFA_FALSE; | |
2472 | } | |
2473 | ||
2474 | ioim->nsgpgs = nsgpgs; | |
2475 | bfa_ioim_sgpg_setup(ioim); | |
2476 | ||
2477 | return BFA_TRUE; | |
2478 | } | |
2479 | ||
2480 | static void | |
2481 | bfa_ioim_sgpg_setup(struct bfa_ioim_s *ioim) | |
2482 | { | |
2483 | int sgeid, nsges, i; | |
2484 | struct bfi_sge_s *sge; | |
2485 | struct bfa_sgpg_s *sgpg; | |
2486 | u32 pgcumsz; | |
2487 | u64 addr; | |
2488 | struct scatterlist *sg; | |
2489 | struct scsi_cmnd *cmnd = (struct scsi_cmnd *) ioim->dio; | |
2490 | ||
2491 | sgeid = BFI_SGE_INLINE; | |
2492 | ioim->sgpg = sgpg = bfa_q_first(&ioim->sgpg_q); | |
2493 | ||
2494 | sg = scsi_sglist(cmnd); | |
2495 | sg = sg_next(sg); | |
2496 | ||
2497 | do { | |
2498 | sge = sgpg->sgpg->sges; | |
2499 | nsges = ioim->nsges - sgeid; | |
2500 | if (nsges > BFI_SGPG_DATA_SGES) | |
2501 | nsges = BFI_SGPG_DATA_SGES; | |
2502 | ||
2503 | pgcumsz = 0; | |
2504 | for (i = 0; i < nsges; i++, sge++, sgeid++, sg = sg_next(sg)) { | |
2505 | addr = bfa_os_sgaddr(sg_dma_address(sg)); | |
2506 | sge->sga = *(union bfi_addr_u *) &addr; | |
2507 | sge->sg_len = sg_dma_len(sg); | |
2508 | pgcumsz += sge->sg_len; | |
2509 | ||
2510 | /** | |
2511 | * set flags | |
2512 | */ | |
2513 | if (i < (nsges - 1)) | |
2514 | sge->flags = BFI_SGE_DATA; | |
2515 | else if (sgeid < (ioim->nsges - 1)) | |
2516 | sge->flags = BFI_SGE_DATA_CPL; | |
2517 | else | |
2518 | sge->flags = BFI_SGE_DATA_LAST; | |
2519 | ||
2520 | bfa_sge_to_le(sge); | |
2521 | } | |
2522 | ||
2523 | sgpg = (struct bfa_sgpg_s *) bfa_q_next(sgpg); | |
2524 | ||
2525 | /** | |
2526 | * set the link element of each page | |
2527 | */ | |
2528 | if (sgeid == ioim->nsges) { | |
2529 | sge->flags = BFI_SGE_PGDLEN; | |
2530 | sge->sga.a32.addr_lo = 0; | |
2531 | sge->sga.a32.addr_hi = 0; | |
2532 | } else { | |
2533 | sge->flags = BFI_SGE_LINK; | |
2534 | sge->sga = sgpg->sgpg_pa; | |
2535 | } | |
2536 | sge->sg_len = pgcumsz; | |
2537 | ||
2538 | bfa_sge_to_le(sge); | |
2539 | } while (sgeid < ioim->nsges); | |
2540 | } | |
2541 | ||
2542 | /** | |
2543 | * Send I/O abort request to firmware. | |
2544 | */ | |
2545 | static bfa_boolean_t | |
2546 | bfa_ioim_send_abort(struct bfa_ioim_s *ioim) | |
2547 | { | |
2548 | struct bfi_ioim_abort_req_s *m; | |
2549 | enum bfi_ioim_h2i msgop; | |
2550 | ||
2551 | /** | |
2552 | * check for room in queue to send request now | |
2553 | */ | |
2554 | m = bfa_reqq_next(ioim->bfa, ioim->reqq); | |
2555 | if (!m) | |
2556 | return BFA_FALSE; | |
2557 | ||
2558 | /** | |
2559 | * build i/o request message next | |
2560 | */ | |
2561 | if (ioim->iosp->abort_explicit) | |
2562 | msgop = BFI_IOIM_H2I_IOABORT_REQ; | |
2563 | else | |
2564 | msgop = BFI_IOIM_H2I_IOCLEANUP_REQ; | |
2565 | ||
2566 | bfi_h2i_set(m->mh, BFI_MC_IOIM, msgop, bfa_lpuid(ioim->bfa)); | |
ba816ea8 | 2567 | m->io_tag = cpu_to_be16(ioim->iotag); |
a36c61f9 KG |
2568 | m->abort_tag = ++ioim->abort_tag; |
2569 | ||
2570 | /** | |
2571 | * queue I/O message to firmware | |
2572 | */ | |
2573 | bfa_reqq_produce(ioim->bfa, ioim->reqq); | |
2574 | return BFA_TRUE; | |
2575 | } | |
2576 | ||
2577 | /** | |
2578 | * Call to resume any I/O requests waiting for room in request queue. | |
2579 | */ | |
2580 | static void | |
2581 | bfa_ioim_qresume(void *cbarg) | |
2582 | { | |
2583 | struct bfa_ioim_s *ioim = cbarg; | |
2584 | ||
2585 | bfa_stats(ioim->itnim, qresumes); | |
2586 | bfa_sm_send_event(ioim, BFA_IOIM_SM_QRESUME); | |
2587 | } | |
2588 | ||
2589 | ||
2590 | static void | |
2591 | bfa_ioim_notify_cleanup(struct bfa_ioim_s *ioim) | |
2592 | { | |
2593 | /** | |
2594 | * Move IO from itnim queue to fcpim global queue since itnim will be | |
2595 | * freed. | |
2596 | */ | |
2597 | list_del(&ioim->qe); | |
2598 | list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); | |
2599 | ||
2600 | if (!ioim->iosp->tskim) { | |
2601 | if (ioim->fcpim->delay_comp && ioim->itnim->iotov_active) { | |
2602 | bfa_cb_dequeue(&ioim->hcb_qe); | |
2603 | list_del(&ioim->qe); | |
2604 | list_add_tail(&ioim->qe, &ioim->itnim->delay_comp_q); | |
2605 | } | |
2606 | bfa_itnim_iodone(ioim->itnim); | |
2607 | } else | |
2608 | bfa_tskim_iodone(ioim->iosp->tskim); | |
2609 | } | |
2610 | ||
2611 | static bfa_boolean_t | |
2612 | bfa_ioim_is_abortable(struct bfa_ioim_s *ioim) | |
2613 | { | |
2614 | if ((bfa_sm_cmp_state(ioim, bfa_ioim_sm_uninit) && | |
2615 | (!bfa_q_is_on_q(&ioim->itnim->pending_q, ioim))) || | |
2616 | (bfa_sm_cmp_state(ioim, bfa_ioim_sm_abort)) || | |
2617 | (bfa_sm_cmp_state(ioim, bfa_ioim_sm_abort_qfull)) || | |
2618 | (bfa_sm_cmp_state(ioim, bfa_ioim_sm_hcb)) || | |
2619 | (bfa_sm_cmp_state(ioim, bfa_ioim_sm_hcb_free)) || | |
2620 | (bfa_sm_cmp_state(ioim, bfa_ioim_sm_resfree))) | |
2621 | return BFA_FALSE; | |
2622 | ||
2623 | return BFA_TRUE; | |
2624 | } | |
2625 | ||
2626 | /** | |
2627 | * or after the link comes back. | |
2628 | */ | |
2629 | void | |
2630 | bfa_ioim_delayed_comp(struct bfa_ioim_s *ioim, bfa_boolean_t iotov) | |
2631 | { | |
2632 | /** | |
2633 | * If path tov timer expired, failback with PATHTOV status - these | |
2634 | * IO requests are not normally retried by IO stack. | |
2635 | * | |
2636 | * Otherwise device cameback online and fail it with normal failed | |
2637 | * status so that IO stack retries these failed IO requests. | |
2638 | */ | |
2639 | if (iotov) | |
2640 | ioim->io_cbfn = __bfa_cb_ioim_pathtov; | |
2641 | else { | |
2642 | ioim->io_cbfn = __bfa_cb_ioim_failed; | |
2643 | bfa_stats(ioim->itnim, iocom_nexus_abort); | |
2644 | } | |
2645 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
2646 | ||
2647 | /** | |
2648 | * Move IO to fcpim global queue since itnim will be | |
2649 | * freed. | |
2650 | */ | |
2651 | list_del(&ioim->qe); | |
2652 | list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); | |
2653 | } | |
2654 | ||
2655 | ||
2656 | ||
2657 | /** | |
2658 | * hal_ioim_friend | |
2659 | */ | |
2660 | ||
2661 | /** | |
2662 | * Memory allocation and initialization. | |
2663 | */ | |
2664 | void | |
2665 | bfa_ioim_attach(struct bfa_fcpim_mod_s *fcpim, struct bfa_meminfo_s *minfo) | |
2666 | { | |
2667 | struct bfa_ioim_s *ioim; | |
2668 | struct bfa_ioim_sp_s *iosp; | |
2669 | u16 i; | |
2670 | u8 *snsinfo; | |
2671 | u32 snsbufsz; | |
2672 | ||
2673 | /** | |
2674 | * claim memory first | |
2675 | */ | |
2676 | ioim = (struct bfa_ioim_s *) bfa_meminfo_kva(minfo); | |
2677 | fcpim->ioim_arr = ioim; | |
2678 | bfa_meminfo_kva(minfo) = (u8 *) (ioim + fcpim->num_ioim_reqs); | |
2679 | ||
2680 | iosp = (struct bfa_ioim_sp_s *) bfa_meminfo_kva(minfo); | |
2681 | fcpim->ioim_sp_arr = iosp; | |
2682 | bfa_meminfo_kva(minfo) = (u8 *) (iosp + fcpim->num_ioim_reqs); | |
2683 | ||
2684 | /** | |
2685 | * Claim DMA memory for per IO sense data. | |
2686 | */ | |
2687 | snsbufsz = fcpim->num_ioim_reqs * BFI_IOIM_SNSLEN; | |
2688 | fcpim->snsbase.pa = bfa_meminfo_dma_phys(minfo); | |
2689 | bfa_meminfo_dma_phys(minfo) += snsbufsz; | |
2690 | ||
2691 | fcpim->snsbase.kva = bfa_meminfo_dma_virt(minfo); | |
2692 | bfa_meminfo_dma_virt(minfo) += snsbufsz; | |
2693 | snsinfo = fcpim->snsbase.kva; | |
2694 | bfa_iocfc_set_snsbase(fcpim->bfa, fcpim->snsbase.pa); | |
2695 | ||
2696 | /** | |
2697 | * Initialize ioim free queues | |
2698 | */ | |
2699 | INIT_LIST_HEAD(&fcpim->ioim_free_q); | |
2700 | INIT_LIST_HEAD(&fcpim->ioim_resfree_q); | |
2701 | INIT_LIST_HEAD(&fcpim->ioim_comp_q); | |
2702 | ||
2703 | for (i = 0; i < fcpim->num_ioim_reqs; | |
2704 | i++, ioim++, iosp++, snsinfo += BFI_IOIM_SNSLEN) { | |
2705 | /* | |
2706 | * initialize IOIM | |
2707 | */ | |
6a18b167 | 2708 | memset(ioim, 0, sizeof(struct bfa_ioim_s)); |
a36c61f9 KG |
2709 | ioim->iotag = i; |
2710 | ioim->bfa = fcpim->bfa; | |
2711 | ioim->fcpim = fcpim; | |
2712 | ioim->iosp = iosp; | |
2713 | iosp->snsinfo = snsinfo; | |
2714 | INIT_LIST_HEAD(&ioim->sgpg_q); | |
2715 | bfa_reqq_winit(&ioim->iosp->reqq_wait, | |
2716 | bfa_ioim_qresume, ioim); | |
2717 | bfa_sgpg_winit(&ioim->iosp->sgpg_wqe, | |
2718 | bfa_ioim_sgpg_alloced, ioim); | |
2719 | bfa_sm_set_state(ioim, bfa_ioim_sm_uninit); | |
2720 | ||
2721 | list_add_tail(&ioim->qe, &fcpim->ioim_free_q); | |
2722 | } | |
2723 | } | |
2724 | ||
2725 | /** | |
2726 | * Driver detach time call. | |
2727 | */ | |
2728 | void | |
2729 | bfa_ioim_detach(struct bfa_fcpim_mod_s *fcpim) | |
2730 | { | |
2731 | } | |
2732 | ||
2733 | void | |
2734 | bfa_ioim_isr(struct bfa_s *bfa, struct bfi_msg_s *m) | |
2735 | { | |
2736 | struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); | |
2737 | struct bfi_ioim_rsp_s *rsp = (struct bfi_ioim_rsp_s *) m; | |
2738 | struct bfa_ioim_s *ioim; | |
2739 | u16 iotag; | |
2740 | enum bfa_ioim_event evt = BFA_IOIM_SM_COMP; | |
2741 | ||
ba816ea8 | 2742 | iotag = be16_to_cpu(rsp->io_tag); |
a36c61f9 KG |
2743 | |
2744 | ioim = BFA_IOIM_FROM_TAG(fcpim, iotag); | |
2745 | bfa_assert(ioim->iotag == iotag); | |
2746 | ||
2747 | bfa_trc(ioim->bfa, ioim->iotag); | |
2748 | bfa_trc(ioim->bfa, rsp->io_status); | |
2749 | bfa_trc(ioim->bfa, rsp->reuse_io_tag); | |
2750 | ||
2751 | if (bfa_sm_cmp_state(ioim, bfa_ioim_sm_active)) | |
6a18b167 | 2752 | ioim->iosp->comp_rspmsg = *m; |
a36c61f9 KG |
2753 | |
2754 | switch (rsp->io_status) { | |
2755 | case BFI_IOIM_STS_OK: | |
2756 | bfa_stats(ioim->itnim, iocomp_ok); | |
2757 | if (rsp->reuse_io_tag == 0) | |
2758 | evt = BFA_IOIM_SM_DONE; | |
2759 | else | |
2760 | evt = BFA_IOIM_SM_COMP; | |
2761 | break; | |
2762 | ||
2763 | case BFI_IOIM_STS_TIMEDOUT: | |
2764 | bfa_stats(ioim->itnim, iocomp_timedout); | |
2765 | case BFI_IOIM_STS_ABORTED: | |
2766 | rsp->io_status = BFI_IOIM_STS_ABORTED; | |
2767 | bfa_stats(ioim->itnim, iocomp_aborted); | |
2768 | if (rsp->reuse_io_tag == 0) | |
2769 | evt = BFA_IOIM_SM_DONE; | |
2770 | else | |
2771 | evt = BFA_IOIM_SM_COMP; | |
2772 | break; | |
2773 | ||
2774 | case BFI_IOIM_STS_PROTO_ERR: | |
2775 | bfa_stats(ioim->itnim, iocom_proto_err); | |
2776 | bfa_assert(rsp->reuse_io_tag); | |
2777 | evt = BFA_IOIM_SM_COMP; | |
2778 | break; | |
2779 | ||
2780 | case BFI_IOIM_STS_SQER_NEEDED: | |
2781 | bfa_stats(ioim->itnim, iocom_sqer_needed); | |
2782 | bfa_assert(rsp->reuse_io_tag == 0); | |
2783 | evt = BFA_IOIM_SM_SQRETRY; | |
2784 | break; | |
2785 | ||
2786 | case BFI_IOIM_STS_RES_FREE: | |
2787 | bfa_stats(ioim->itnim, iocom_res_free); | |
2788 | evt = BFA_IOIM_SM_FREE; | |
2789 | break; | |
2790 | ||
2791 | case BFI_IOIM_STS_HOST_ABORTED: | |
2792 | bfa_stats(ioim->itnim, iocom_hostabrts); | |
2793 | if (rsp->abort_tag != ioim->abort_tag) { | |
2794 | bfa_trc(ioim->bfa, rsp->abort_tag); | |
2795 | bfa_trc(ioim->bfa, ioim->abort_tag); | |
2796 | return; | |
2797 | } | |
2798 | ||
2799 | if (rsp->reuse_io_tag) | |
2800 | evt = BFA_IOIM_SM_ABORT_COMP; | |
2801 | else | |
2802 | evt = BFA_IOIM_SM_ABORT_DONE; | |
2803 | break; | |
2804 | ||
2805 | case BFI_IOIM_STS_UTAG: | |
2806 | bfa_stats(ioim->itnim, iocom_utags); | |
2807 | evt = BFA_IOIM_SM_COMP_UTAG; | |
2808 | break; | |
2809 | ||
2810 | default: | |
2811 | bfa_assert(0); | |
2812 | } | |
2813 | ||
2814 | bfa_sm_send_event(ioim, evt); | |
2815 | } | |
2816 | ||
2817 | void | |
2818 | bfa_ioim_good_comp_isr(struct bfa_s *bfa, struct bfi_msg_s *m) | |
2819 | { | |
2820 | struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); | |
2821 | struct bfi_ioim_rsp_s *rsp = (struct bfi_ioim_rsp_s *) m; | |
2822 | struct bfa_ioim_s *ioim; | |
2823 | u16 iotag; | |
2824 | ||
ba816ea8 | 2825 | iotag = be16_to_cpu(rsp->io_tag); |
a36c61f9 KG |
2826 | |
2827 | ioim = BFA_IOIM_FROM_TAG(fcpim, iotag); | |
2828 | bfa_assert(ioim->iotag == iotag); | |
2829 | ||
2830 | bfa_trc_fp(ioim->bfa, ioim->iotag); | |
2831 | bfa_ioim_cb_profile_comp(fcpim, ioim); | |
2832 | ||
2833 | bfa_sm_send_event(ioim, BFA_IOIM_SM_COMP_GOOD); | |
2834 | } | |
2835 | ||
2836 | void | |
2837 | bfa_ioim_profile_start(struct bfa_ioim_s *ioim) | |
2838 | { | |
6a18b167 | 2839 | ioim->start_time = jiffies; |
a36c61f9 KG |
2840 | } |
2841 | ||
2842 | void | |
2843 | bfa_ioim_profile_comp(struct bfa_ioim_s *ioim) | |
2844 | { | |
2845 | u32 fcp_dl = bfa_cb_ioim_get_size(ioim->dio); | |
2846 | u32 index = bfa_ioim_get_index(fcp_dl); | |
6a18b167 | 2847 | u64 end_time = jiffies; |
a36c61f9 KG |
2848 | struct bfa_itnim_latency_s *io_lat = |
2849 | &(ioim->itnim->ioprofile.io_latency); | |
2850 | u32 val = (u32)(end_time - ioim->start_time); | |
2851 | ||
2852 | bfa_itnim_ioprofile_update(ioim->itnim, index); | |
2853 | ||
2854 | io_lat->count[index]++; | |
2855 | io_lat->min[index] = (io_lat->min[index] < val) ? | |
2856 | io_lat->min[index] : val; | |
2857 | io_lat->max[index] = (io_lat->max[index] > val) ? | |
2858 | io_lat->max[index] : val; | |
2859 | io_lat->avg[index] += val; | |
2860 | } | |
2861 | /** | |
2862 | * Called by itnim to clean up IO while going offline. | |
2863 | */ | |
2864 | void | |
2865 | bfa_ioim_cleanup(struct bfa_ioim_s *ioim) | |
2866 | { | |
2867 | bfa_trc(ioim->bfa, ioim->iotag); | |
2868 | bfa_stats(ioim->itnim, io_cleanups); | |
2869 | ||
2870 | ioim->iosp->tskim = NULL; | |
2871 | bfa_sm_send_event(ioim, BFA_IOIM_SM_CLEANUP); | |
2872 | } | |
2873 | ||
2874 | void | |
2875 | bfa_ioim_cleanup_tm(struct bfa_ioim_s *ioim, struct bfa_tskim_s *tskim) | |
2876 | { | |
2877 | bfa_trc(ioim->bfa, ioim->iotag); | |
2878 | bfa_stats(ioim->itnim, io_tmaborts); | |
2879 | ||
2880 | ioim->iosp->tskim = tskim; | |
2881 | bfa_sm_send_event(ioim, BFA_IOIM_SM_CLEANUP); | |
2882 | } | |
2883 | ||
2884 | /** | |
2885 | * IOC failure handling. | |
2886 | */ | |
2887 | void | |
2888 | bfa_ioim_iocdisable(struct bfa_ioim_s *ioim) | |
2889 | { | |
2890 | bfa_trc(ioim->bfa, ioim->iotag); | |
2891 | bfa_stats(ioim->itnim, io_iocdowns); | |
2892 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HWFAIL); | |
2893 | } | |
2894 | ||
2895 | /** | |
2896 | * IO offline TOV popped. Fail the pending IO. | |
2897 | */ | |
2898 | void | |
2899 | bfa_ioim_tov(struct bfa_ioim_s *ioim) | |
2900 | { | |
2901 | bfa_trc(ioim->bfa, ioim->iotag); | |
2902 | bfa_sm_send_event(ioim, BFA_IOIM_SM_IOTOV); | |
2903 | } | |
2904 | ||
2905 | ||
2906 | ||
2907 | /** | |
2908 | * hal_ioim_api | |
2909 | */ | |
2910 | ||
2911 | /** | |
2912 | * Allocate IOIM resource for initiator mode I/O request. | |
2913 | */ | |
2914 | struct bfa_ioim_s * | |
2915 | bfa_ioim_alloc(struct bfa_s *bfa, struct bfad_ioim_s *dio, | |
2916 | struct bfa_itnim_s *itnim, u16 nsges) | |
2917 | { | |
2918 | struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); | |
2919 | struct bfa_ioim_s *ioim; | |
2920 | ||
2921 | /** | |
2922 | * alocate IOIM resource | |
2923 | */ | |
2924 | bfa_q_deq(&fcpim->ioim_free_q, &ioim); | |
2925 | if (!ioim) { | |
2926 | bfa_stats(itnim, no_iotags); | |
2927 | return NULL; | |
2928 | } | |
2929 | ||
2930 | ioim->dio = dio; | |
2931 | ioim->itnim = itnim; | |
2932 | ioim->nsges = nsges; | |
2933 | ioim->nsgpgs = 0; | |
2934 | ||
2935 | bfa_stats(itnim, total_ios); | |
2936 | fcpim->ios_active++; | |
2937 | ||
2938 | list_add_tail(&ioim->qe, &itnim->io_q); | |
2939 | bfa_trc_fp(ioim->bfa, ioim->iotag); | |
2940 | ||
2941 | return ioim; | |
2942 | } | |
2943 | ||
2944 | void | |
2945 | bfa_ioim_free(struct bfa_ioim_s *ioim) | |
2946 | { | |
2947 | struct bfa_fcpim_mod_s *fcpim = ioim->fcpim; | |
2948 | ||
2949 | bfa_trc_fp(ioim->bfa, ioim->iotag); | |
2950 | bfa_assert_fp(bfa_sm_cmp_state(ioim, bfa_ioim_sm_uninit)); | |
2951 | ||
2952 | bfa_assert_fp(list_empty(&ioim->sgpg_q) || | |
2953 | (ioim->nsges > BFI_SGE_INLINE)); | |
2954 | ||
2955 | if (ioim->nsgpgs > 0) | |
2956 | bfa_sgpg_mfree(ioim->bfa, &ioim->sgpg_q, ioim->nsgpgs); | |
2957 | ||
2958 | bfa_stats(ioim->itnim, io_comps); | |
2959 | fcpim->ios_active--; | |
2960 | ||
2961 | list_del(&ioim->qe); | |
2962 | list_add_tail(&ioim->qe, &fcpim->ioim_free_q); | |
2963 | } | |
2964 | ||
2965 | void | |
2966 | bfa_ioim_start(struct bfa_ioim_s *ioim) | |
2967 | { | |
2968 | bfa_trc_fp(ioim->bfa, ioim->iotag); | |
2969 | ||
2970 | bfa_ioim_cb_profile_start(ioim->fcpim, ioim); | |
2971 | ||
2972 | /** | |
2973 | * Obtain the queue over which this request has to be issued | |
2974 | */ | |
2975 | ioim->reqq = bfa_fcpim_ioredirect_enabled(ioim->bfa) ? | |
2976 | bfa_cb_ioim_get_reqq(ioim->dio) : | |
2977 | bfa_itnim_get_reqq(ioim); | |
2978 | ||
2979 | bfa_sm_send_event(ioim, BFA_IOIM_SM_START); | |
2980 | } | |
2981 | ||
2982 | /** | |
2983 | * Driver I/O abort request. | |
2984 | */ | |
2985 | bfa_status_t | |
2986 | bfa_ioim_abort(struct bfa_ioim_s *ioim) | |
2987 | { | |
2988 | ||
2989 | bfa_trc(ioim->bfa, ioim->iotag); | |
2990 | ||
2991 | if (!bfa_ioim_is_abortable(ioim)) | |
2992 | return BFA_STATUS_FAILED; | |
2993 | ||
2994 | bfa_stats(ioim->itnim, io_aborts); | |
2995 | bfa_sm_send_event(ioim, BFA_IOIM_SM_ABORT); | |
2996 | ||
2997 | return BFA_STATUS_OK; | |
2998 | } | |
2999 | ||
3000 | ||
3001 | /** | |
3002 | * BFA TSKIM state machine functions | |
3003 | */ | |
3004 | ||
3005 | /** | |
3006 | * Task management command beginning state. | |
3007 | */ | |
3008 | static void | |
3009 | bfa_tskim_sm_uninit(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) | |
3010 | { | |
3011 | bfa_trc(tskim->bfa, event); | |
3012 | ||
3013 | switch (event) { | |
3014 | case BFA_TSKIM_SM_START: | |
3015 | bfa_sm_set_state(tskim, bfa_tskim_sm_active); | |
3016 | bfa_tskim_gather_ios(tskim); | |
3017 | ||
3018 | /** | |
3019 | * If device is offline, do not send TM on wire. Just cleanup | |
3020 | * any pending IO requests and complete TM request. | |
3021 | */ | |
3022 | if (!bfa_itnim_is_online(tskim->itnim)) { | |
3023 | bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); | |
3024 | tskim->tsk_status = BFI_TSKIM_STS_OK; | |
3025 | bfa_tskim_cleanup_ios(tskim); | |
3026 | return; | |
3027 | } | |
3028 | ||
3029 | if (!bfa_tskim_send(tskim)) { | |
3030 | bfa_sm_set_state(tskim, bfa_tskim_sm_qfull); | |
3031 | bfa_stats(tskim->itnim, tm_qwait); | |
3032 | bfa_reqq_wait(tskim->bfa, tskim->itnim->reqq, | |
3033 | &tskim->reqq_wait); | |
3034 | } | |
3035 | break; | |
3036 | ||
3037 | default: | |
3038 | bfa_sm_fault(tskim->bfa, event); | |
3039 | } | |
3040 | } | |
3041 | ||
3042 | /** | |
3043 | * brief | |
3044 | * TM command is active, awaiting completion from firmware to | |
3045 | * cleanup IO requests in TM scope. | |
3046 | */ | |
3047 | static void | |
3048 | bfa_tskim_sm_active(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) | |
3049 | { | |
3050 | bfa_trc(tskim->bfa, event); | |
3051 | ||
3052 | switch (event) { | |
3053 | case BFA_TSKIM_SM_DONE: | |
3054 | bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); | |
3055 | bfa_tskim_cleanup_ios(tskim); | |
3056 | break; | |
3057 | ||
3058 | case BFA_TSKIM_SM_CLEANUP: | |
3059 | bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup); | |
3060 | if (!bfa_tskim_send_abort(tskim)) { | |
3061 | bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup_qfull); | |
3062 | bfa_stats(tskim->itnim, tm_qwait); | |
3063 | bfa_reqq_wait(tskim->bfa, tskim->itnim->reqq, | |
3064 | &tskim->reqq_wait); | |
3065 | } | |
3066 | break; | |
3067 | ||
3068 | case BFA_TSKIM_SM_HWFAIL: | |
3069 | bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); | |
3070 | bfa_tskim_iocdisable_ios(tskim); | |
3071 | bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); | |
3072 | break; | |
3073 | ||
3074 | default: | |
3075 | bfa_sm_fault(tskim->bfa, event); | |
3076 | } | |
3077 | } | |
3078 | ||
3079 | /** | |
3080 | * An active TM is being cleaned up since ITN is offline. Awaiting cleanup | |
3081 | * completion event from firmware. | |
3082 | */ | |
3083 | static void | |
3084 | bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) | |
3085 | { | |
3086 | bfa_trc(tskim->bfa, event); | |
3087 | ||
3088 | switch (event) { | |
3089 | case BFA_TSKIM_SM_DONE: | |
3090 | /** | |
3091 | * Ignore and wait for ABORT completion from firmware. | |
3092 | */ | |
3093 | break; | |
3094 | ||
3095 | case BFA_TSKIM_SM_CLEANUP_DONE: | |
3096 | bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); | |
3097 | bfa_tskim_cleanup_ios(tskim); | |
3098 | break; | |
3099 | ||
3100 | case BFA_TSKIM_SM_HWFAIL: | |
3101 | bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); | |
3102 | bfa_tskim_iocdisable_ios(tskim); | |
3103 | bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); | |
3104 | break; | |
3105 | ||
3106 | default: | |
3107 | bfa_sm_fault(tskim->bfa, event); | |
3108 | } | |
3109 | } | |
3110 | ||
3111 | static void | |
3112 | bfa_tskim_sm_iocleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) | |
3113 | { | |
3114 | bfa_trc(tskim->bfa, event); | |
3115 | ||
3116 | switch (event) { | |
3117 | case BFA_TSKIM_SM_IOS_DONE: | |
3118 | bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); | |
3119 | bfa_tskim_qcomp(tskim, __bfa_cb_tskim_done); | |
3120 | break; | |
3121 | ||
3122 | case BFA_TSKIM_SM_CLEANUP: | |
3123 | /** | |
3124 | * Ignore, TM command completed on wire. | |
3125 | * Notify TM conmpletion on IO cleanup completion. | |
3126 | */ | |
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 | /** | |
3141 | * Task management command is waiting for room in request CQ | |
3142 | */ | |
3143 | static void | |
3144 | bfa_tskim_sm_qfull(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) | |
3145 | { | |
3146 | bfa_trc(tskim->bfa, event); | |
3147 | ||
3148 | switch (event) { | |
3149 | case BFA_TSKIM_SM_QRESUME: | |
3150 | bfa_sm_set_state(tskim, bfa_tskim_sm_active); | |
3151 | bfa_tskim_send(tskim); | |
3152 | break; | |
3153 | ||
3154 | case BFA_TSKIM_SM_CLEANUP: | |
3155 | /** | |
3156 | * No need to send TM on wire since ITN is offline. | |
3157 | */ | |
3158 | bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); | |
3159 | bfa_reqq_wcancel(&tskim->reqq_wait); | |
3160 | bfa_tskim_cleanup_ios(tskim); | |
3161 | break; | |
3162 | ||
3163 | case BFA_TSKIM_SM_HWFAIL: | |
3164 | bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); | |
3165 | bfa_reqq_wcancel(&tskim->reqq_wait); | |
3166 | bfa_tskim_iocdisable_ios(tskim); | |
3167 | bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); | |
3168 | break; | |
3169 | ||
3170 | default: | |
3171 | bfa_sm_fault(tskim->bfa, event); | |
3172 | } | |
3173 | } | |
3174 | ||
3175 | /** | |
3176 | * Task management command is active, awaiting for room in request CQ | |
3177 | * to send clean up request. | |
3178 | */ | |
3179 | static void | |
3180 | bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim, | |
3181 | enum bfa_tskim_event event) | |
3182 | { | |
3183 | bfa_trc(tskim->bfa, event); | |
3184 | ||
3185 | switch (event) { | |
3186 | case BFA_TSKIM_SM_DONE: | |
3187 | bfa_reqq_wcancel(&tskim->reqq_wait); | |
3188 | /** | |
3189 | * | |
3190 | * Fall through !!! | |
3191 | */ | |
3192 | ||
3193 | case BFA_TSKIM_SM_QRESUME: | |
3194 | bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup); | |
3195 | bfa_tskim_send_abort(tskim); | |
3196 | break; | |
3197 | ||
3198 | case BFA_TSKIM_SM_HWFAIL: | |
3199 | bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); | |
3200 | bfa_reqq_wcancel(&tskim->reqq_wait); | |
3201 | bfa_tskim_iocdisable_ios(tskim); | |
3202 | bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); | |
3203 | break; | |
3204 | ||
3205 | default: | |
3206 | bfa_sm_fault(tskim->bfa, event); | |
3207 | } | |
3208 | } | |
3209 | ||
3210 | /** | |
3211 | * BFA callback is pending | |
3212 | */ | |
3213 | static void | |
3214 | bfa_tskim_sm_hcb(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) | |
3215 | { | |
3216 | bfa_trc(tskim->bfa, event); | |
3217 | ||
3218 | switch (event) { | |
3219 | case BFA_TSKIM_SM_HCB: | |
3220 | bfa_sm_set_state(tskim, bfa_tskim_sm_uninit); | |
3221 | bfa_tskim_free(tskim); | |
3222 | break; | |
3223 | ||
3224 | case BFA_TSKIM_SM_CLEANUP: | |
3225 | bfa_tskim_notify_comp(tskim); | |
3226 | break; | |
3227 | ||
3228 | case BFA_TSKIM_SM_HWFAIL: | |
3229 | break; | |
3230 | ||
3231 | default: | |
3232 | bfa_sm_fault(tskim->bfa, event); | |
3233 | } | |
3234 | } | |
3235 | ||
3236 | ||
3237 | ||
3238 | /** | |
3239 | * hal_tskim_private | |
3240 | */ | |
3241 | ||
3242 | static void | |
3243 | __bfa_cb_tskim_done(void *cbarg, bfa_boolean_t complete) | |
3244 | { | |
3245 | struct bfa_tskim_s *tskim = cbarg; | |
3246 | ||
3247 | if (!complete) { | |
3248 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_HCB); | |
3249 | return; | |
3250 | } | |
3251 | ||
3252 | bfa_stats(tskim->itnim, tm_success); | |
3253 | bfa_cb_tskim_done(tskim->bfa->bfad, tskim->dtsk, tskim->tsk_status); | |
3254 | } | |
3255 | ||
3256 | static void | |
3257 | __bfa_cb_tskim_failed(void *cbarg, bfa_boolean_t complete) | |
3258 | { | |
3259 | struct bfa_tskim_s *tskim = cbarg; | |
3260 | ||
3261 | if (!complete) { | |
3262 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_HCB); | |
3263 | return; | |
3264 | } | |
3265 | ||
3266 | bfa_stats(tskim->itnim, tm_failures); | |
3267 | bfa_cb_tskim_done(tskim->bfa->bfad, tskim->dtsk, | |
3268 | BFI_TSKIM_STS_FAILED); | |
3269 | } | |
3270 | ||
3271 | static bfa_boolean_t | |
3272 | bfa_tskim_match_scope(struct bfa_tskim_s *tskim, lun_t lun) | |
3273 | { | |
3274 | switch (tskim->tm_cmnd) { | |
3275 | case FCP_TM_TARGET_RESET: | |
3276 | return BFA_TRUE; | |
3277 | ||
3278 | case FCP_TM_ABORT_TASK_SET: | |
3279 | case FCP_TM_CLEAR_TASK_SET: | |
3280 | case FCP_TM_LUN_RESET: | |
3281 | case FCP_TM_CLEAR_ACA: | |
3282 | return (tskim->lun == lun); | |
3283 | ||
3284 | default: | |
3285 | bfa_assert(0); | |
3286 | } | |
3287 | ||
3288 | return BFA_FALSE; | |
3289 | } | |
3290 | ||
3291 | /** | |
3292 | * Gather affected IO requests and task management commands. | |
3293 | */ | |
3294 | static void | |
3295 | bfa_tskim_gather_ios(struct bfa_tskim_s *tskim) | |
3296 | { | |
3297 | struct bfa_itnim_s *itnim = tskim->itnim; | |
3298 | struct bfa_ioim_s *ioim; | |
3299 | struct list_head *qe, *qen; | |
3300 | ||
3301 | INIT_LIST_HEAD(&tskim->io_q); | |
3302 | ||
3303 | /** | |
3304 | * Gather any active IO requests first. | |
3305 | */ | |
3306 | list_for_each_safe(qe, qen, &itnim->io_q) { | |
3307 | ioim = (struct bfa_ioim_s *) qe; | |
3308 | if (bfa_tskim_match_scope | |
3309 | (tskim, bfa_cb_ioim_get_lun(ioim->dio))) { | |
3310 | list_del(&ioim->qe); | |
3311 | list_add_tail(&ioim->qe, &tskim->io_q); | |
3312 | } | |
3313 | } | |
3314 | ||
3315 | /** | |
3316 | * Failback any pending IO requests immediately. | |
3317 | */ | |
3318 | list_for_each_safe(qe, qen, &itnim->pending_q) { | |
3319 | ioim = (struct bfa_ioim_s *) qe; | |
3320 | if (bfa_tskim_match_scope | |
3321 | (tskim, bfa_cb_ioim_get_lun(ioim->dio))) { | |
3322 | list_del(&ioim->qe); | |
3323 | list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); | |
3324 | bfa_ioim_tov(ioim); | |
3325 | } | |
3326 | } | |
3327 | } | |
3328 | ||
3329 | /** | |
3330 | * IO cleanup completion | |
3331 | */ | |
3332 | static void | |
3333 | bfa_tskim_cleanp_comp(void *tskim_cbarg) | |
3334 | { | |
3335 | struct bfa_tskim_s *tskim = tskim_cbarg; | |
3336 | ||
3337 | bfa_stats(tskim->itnim, tm_io_comps); | |
3338 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_IOS_DONE); | |
3339 | } | |
3340 | ||
3341 | /** | |
3342 | * Gather affected IO requests and task management commands. | |
3343 | */ | |
3344 | static void | |
3345 | bfa_tskim_cleanup_ios(struct bfa_tskim_s *tskim) | |
3346 | { | |
3347 | struct bfa_ioim_s *ioim; | |
3348 | struct list_head *qe, *qen; | |
3349 | ||
3350 | bfa_wc_init(&tskim->wc, bfa_tskim_cleanp_comp, tskim); | |
3351 | ||
3352 | list_for_each_safe(qe, qen, &tskim->io_q) { | |
3353 | ioim = (struct bfa_ioim_s *) qe; | |
3354 | bfa_wc_up(&tskim->wc); | |
3355 | bfa_ioim_cleanup_tm(ioim, tskim); | |
3356 | } | |
3357 | ||
3358 | bfa_wc_wait(&tskim->wc); | |
3359 | } | |
3360 | ||
3361 | /** | |
3362 | * Send task management request to firmware. | |
3363 | */ | |
3364 | static bfa_boolean_t | |
3365 | bfa_tskim_send(struct bfa_tskim_s *tskim) | |
3366 | { | |
3367 | struct bfa_itnim_s *itnim = tskim->itnim; | |
3368 | struct bfi_tskim_req_s *m; | |
3369 | ||
3370 | /** | |
3371 | * check for room in queue to send request now | |
3372 | */ | |
3373 | m = bfa_reqq_next(tskim->bfa, itnim->reqq); | |
3374 | if (!m) | |
3375 | return BFA_FALSE; | |
3376 | ||
3377 | /** | |
3378 | * build i/o request message next | |
3379 | */ | |
3380 | bfi_h2i_set(m->mh, BFI_MC_TSKIM, BFI_TSKIM_H2I_TM_REQ, | |
3381 | bfa_lpuid(tskim->bfa)); | |
3382 | ||
ba816ea8 | 3383 | m->tsk_tag = cpu_to_be16(tskim->tsk_tag); |
a36c61f9 KG |
3384 | m->itn_fhdl = tskim->itnim->rport->fw_handle; |
3385 | m->t_secs = tskim->tsecs; | |
3386 | m->lun = tskim->lun; | |
3387 | m->tm_flags = tskim->tm_cmnd; | |
3388 | ||
3389 | /** | |
3390 | * queue I/O message to firmware | |
3391 | */ | |
3392 | bfa_reqq_produce(tskim->bfa, itnim->reqq); | |
3393 | return BFA_TRUE; | |
3394 | } | |
3395 | ||
3396 | /** | |
3397 | * Send abort request to cleanup an active TM to firmware. | |
3398 | */ | |
3399 | static bfa_boolean_t | |
3400 | bfa_tskim_send_abort(struct bfa_tskim_s *tskim) | |
3401 | { | |
3402 | struct bfa_itnim_s *itnim = tskim->itnim; | |
3403 | struct bfi_tskim_abortreq_s *m; | |
3404 | ||
3405 | /** | |
3406 | * check for room in queue to send request now | |
3407 | */ | |
3408 | m = bfa_reqq_next(tskim->bfa, itnim->reqq); | |
3409 | if (!m) | |
3410 | return BFA_FALSE; | |
3411 | ||
3412 | /** | |
3413 | * build i/o request message next | |
3414 | */ | |
3415 | bfi_h2i_set(m->mh, BFI_MC_TSKIM, BFI_TSKIM_H2I_ABORT_REQ, | |
3416 | bfa_lpuid(tskim->bfa)); | |
3417 | ||
ba816ea8 | 3418 | m->tsk_tag = cpu_to_be16(tskim->tsk_tag); |
a36c61f9 KG |
3419 | |
3420 | /** | |
3421 | * queue I/O message to firmware | |
3422 | */ | |
3423 | bfa_reqq_produce(tskim->bfa, itnim->reqq); | |
3424 | return BFA_TRUE; | |
3425 | } | |
3426 | ||
3427 | /** | |
3428 | * Call to resume task management cmnd waiting for room in request queue. | |
3429 | */ | |
3430 | static void | |
3431 | bfa_tskim_qresume(void *cbarg) | |
3432 | { | |
3433 | struct bfa_tskim_s *tskim = cbarg; | |
3434 | ||
3435 | bfa_stats(tskim->itnim, tm_qresumes); | |
3436 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_QRESUME); | |
3437 | } | |
3438 | ||
3439 | /** | |
3440 | * Cleanup IOs associated with a task mangement command on IOC failures. | |
3441 | */ | |
3442 | static void | |
3443 | bfa_tskim_iocdisable_ios(struct bfa_tskim_s *tskim) | |
3444 | { | |
3445 | struct bfa_ioim_s *ioim; | |
3446 | struct list_head *qe, *qen; | |
3447 | ||
3448 | list_for_each_safe(qe, qen, &tskim->io_q) { | |
3449 | ioim = (struct bfa_ioim_s *) qe; | |
3450 | bfa_ioim_iocdisable(ioim); | |
3451 | } | |
3452 | } | |
3453 | ||
3454 | ||
3455 | ||
3456 | /** | |
3457 | * hal_tskim_friend | |
3458 | */ | |
3459 | ||
3460 | /** | |
3461 | * Notification on completions from related ioim. | |
3462 | */ | |
3463 | void | |
3464 | bfa_tskim_iodone(struct bfa_tskim_s *tskim) | |
3465 | { | |
3466 | bfa_wc_down(&tskim->wc); | |
3467 | } | |
3468 | ||
3469 | /** | |
3470 | * Handle IOC h/w failure notification from itnim. | |
3471 | */ | |
3472 | void | |
3473 | bfa_tskim_iocdisable(struct bfa_tskim_s *tskim) | |
3474 | { | |
3475 | tskim->notify = BFA_FALSE; | |
3476 | bfa_stats(tskim->itnim, tm_iocdowns); | |
3477 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_HWFAIL); | |
3478 | } | |
3479 | ||
3480 | /** | |
3481 | * Cleanup TM command and associated IOs as part of ITNIM offline. | |
3482 | */ | |
3483 | void | |
3484 | bfa_tskim_cleanup(struct bfa_tskim_s *tskim) | |
3485 | { | |
3486 | tskim->notify = BFA_TRUE; | |
3487 | bfa_stats(tskim->itnim, tm_cleanups); | |
3488 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_CLEANUP); | |
3489 | } | |
3490 | ||
3491 | /** | |
3492 | * Memory allocation and initialization. | |
3493 | */ | |
3494 | void | |
3495 | bfa_tskim_attach(struct bfa_fcpim_mod_s *fcpim, struct bfa_meminfo_s *minfo) | |
3496 | { | |
3497 | struct bfa_tskim_s *tskim; | |
3498 | u16 i; | |
3499 | ||
3500 | INIT_LIST_HEAD(&fcpim->tskim_free_q); | |
3501 | ||
3502 | tskim = (struct bfa_tskim_s *) bfa_meminfo_kva(minfo); | |
3503 | fcpim->tskim_arr = tskim; | |
3504 | ||
3505 | for (i = 0; i < fcpim->num_tskim_reqs; i++, tskim++) { | |
3506 | /* | |
3507 | * initialize TSKIM | |
3508 | */ | |
6a18b167 | 3509 | memset(tskim, 0, sizeof(struct bfa_tskim_s)); |
a36c61f9 KG |
3510 | tskim->tsk_tag = i; |
3511 | tskim->bfa = fcpim->bfa; | |
3512 | tskim->fcpim = fcpim; | |
3513 | tskim->notify = BFA_FALSE; | |
3514 | bfa_reqq_winit(&tskim->reqq_wait, bfa_tskim_qresume, | |
3515 | tskim); | |
3516 | bfa_sm_set_state(tskim, bfa_tskim_sm_uninit); | |
3517 | ||
3518 | list_add_tail(&tskim->qe, &fcpim->tskim_free_q); | |
3519 | } | |
3520 | ||
3521 | bfa_meminfo_kva(minfo) = (u8 *) tskim; | |
3522 | } | |
3523 | ||
3524 | void | |
3525 | bfa_tskim_detach(struct bfa_fcpim_mod_s *fcpim) | |
3526 | { | |
3527 | /** | |
3528 | * @todo | |
3529 | */ | |
3530 | } | |
3531 | ||
3532 | void | |
3533 | bfa_tskim_isr(struct bfa_s *bfa, struct bfi_msg_s *m) | |
3534 | { | |
3535 | struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); | |
3536 | struct bfi_tskim_rsp_s *rsp = (struct bfi_tskim_rsp_s *) m; | |
3537 | struct bfa_tskim_s *tskim; | |
ba816ea8 | 3538 | u16 tsk_tag = be16_to_cpu(rsp->tsk_tag); |
a36c61f9 KG |
3539 | |
3540 | tskim = BFA_TSKIM_FROM_TAG(fcpim, tsk_tag); | |
3541 | bfa_assert(tskim->tsk_tag == tsk_tag); | |
3542 | ||
3543 | tskim->tsk_status = rsp->tsk_status; | |
3544 | ||
3545 | /** | |
3546 | * Firmware sends BFI_TSKIM_STS_ABORTED status for abort | |
3547 | * requests. All other statuses are for normal completions. | |
3548 | */ | |
3549 | if (rsp->tsk_status == BFI_TSKIM_STS_ABORTED) { | |
3550 | bfa_stats(tskim->itnim, tm_cleanup_comps); | |
3551 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_CLEANUP_DONE); | |
3552 | } else { | |
3553 | bfa_stats(tskim->itnim, tm_fw_rsps); | |
3554 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_DONE); | |
3555 | } | |
3556 | } | |
3557 | ||
3558 | ||
3559 | ||
3560 | /** | |
3561 | * hal_tskim_api | |
3562 | */ | |
3563 | ||
3564 | ||
3565 | struct bfa_tskim_s * | |
3566 | bfa_tskim_alloc(struct bfa_s *bfa, struct bfad_tskim_s *dtsk) | |
3567 | { | |
3568 | struct bfa_fcpim_mod_s *fcpim = BFA_FCPIM_MOD(bfa); | |
3569 | struct bfa_tskim_s *tskim; | |
3570 | ||
3571 | bfa_q_deq(&fcpim->tskim_free_q, &tskim); | |
3572 | ||
3573 | if (tskim) | |
3574 | tskim->dtsk = dtsk; | |
3575 | ||
3576 | return tskim; | |
3577 | } | |
3578 | ||
3579 | void | |
3580 | bfa_tskim_free(struct bfa_tskim_s *tskim) | |
3581 | { | |
3582 | bfa_assert(bfa_q_is_on_q_func(&tskim->itnim->tsk_q, &tskim->qe)); | |
3583 | list_del(&tskim->qe); | |
3584 | list_add_tail(&tskim->qe, &tskim->fcpim->tskim_free_q); | |
3585 | } | |
3586 | ||
3587 | /** | |
3588 | * Start a task management command. | |
3589 | * | |
3590 | * @param[in] tskim BFA task management command instance | |
3591 | * @param[in] itnim i-t nexus for the task management command | |
3592 | * @param[in] lun lun, if applicable | |
3593 | * @param[in] tm_cmnd Task management command code. | |
3594 | * @param[in] t_secs Timeout in seconds | |
3595 | * | |
3596 | * @return None. | |
3597 | */ | |
3598 | void | |
3599 | bfa_tskim_start(struct bfa_tskim_s *tskim, struct bfa_itnim_s *itnim, lun_t lun, | |
3600 | enum fcp_tm_cmnd tm_cmnd, u8 tsecs) | |
3601 | { | |
3602 | tskim->itnim = itnim; | |
3603 | tskim->lun = lun; | |
3604 | tskim->tm_cmnd = tm_cmnd; | |
3605 | tskim->tsecs = tsecs; | |
3606 | tskim->notify = BFA_FALSE; | |
3607 | bfa_stats(itnim, tm_cmnds); | |
3608 | ||
3609 | list_add_tail(&tskim->qe, &itnim->tsk_q); | |
3610 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_START); | |
3611 | } |