Commit | Line | Data |
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7725ccfd | 1 | /* |
a36c61f9 | 2 | * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. |
7725ccfd JH |
3 | * All rights reserved |
4 | * www.brocade.com | |
5 | * | |
6 | * Linux driver for Brocade Fibre Channel Host Bus Adapter. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License (GPL) Version 2 as | |
10 | * published by the Free Software Foundation | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | */ | |
17 | ||
f16a1750 | 18 | #include "bfad_drv.h" |
a36c61f9 | 19 | #include "bfa_modules.h" |
7725ccfd JH |
20 | |
21 | BFA_TRC_FILE(HAL, FCPIM); | |
7725ccfd | 22 | |
5fbe25c7 | 23 | /* |
a36c61f9 KG |
24 | * BFA ITNIM Related definitions |
25 | */ | |
26 | static void bfa_itnim_update_del_itn_stats(struct bfa_itnim_s *itnim); | |
83763d59 | 27 | static void bfa_ioim_lm_init(struct bfa_s *bfa); |
a36c61f9 KG |
28 | |
29 | #define BFA_ITNIM_FROM_TAG(_fcpim, _tag) \ | |
30 | (((_fcpim)->itnim_arr + ((_tag) & ((_fcpim)->num_itnims - 1)))) | |
31 | ||
32 | #define bfa_fcpim_additn(__itnim) \ | |
33 | list_add_tail(&(__itnim)->qe, &(__itnim)->fcpim->itnim_q) | |
34 | #define bfa_fcpim_delitn(__itnim) do { \ | |
d4b671c5 | 35 | WARN_ON(!bfa_q_is_on_q(&(__itnim)->fcpim->itnim_q, __itnim)); \ |
a36c61f9 KG |
36 | bfa_itnim_update_del_itn_stats(__itnim); \ |
37 | list_del(&(__itnim)->qe); \ | |
d4b671c5 JH |
38 | WARN_ON(!list_empty(&(__itnim)->io_q)); \ |
39 | WARN_ON(!list_empty(&(__itnim)->io_cleanup_q)); \ | |
40 | WARN_ON(!list_empty(&(__itnim)->pending_q)); \ | |
a36c61f9 KG |
41 | } while (0) |
42 | ||
43 | #define bfa_itnim_online_cb(__itnim) do { \ | |
44 | if ((__itnim)->bfa->fcs) \ | |
45 | bfa_cb_itnim_online((__itnim)->ditn); \ | |
46 | else { \ | |
47 | bfa_cb_queue((__itnim)->bfa, &(__itnim)->hcb_qe, \ | |
48 | __bfa_cb_itnim_online, (__itnim)); \ | |
49 | } \ | |
50 | } while (0) | |
51 | ||
52 | #define bfa_itnim_offline_cb(__itnim) do { \ | |
53 | if ((__itnim)->bfa->fcs) \ | |
54 | bfa_cb_itnim_offline((__itnim)->ditn); \ | |
55 | else { \ | |
56 | bfa_cb_queue((__itnim)->bfa, &(__itnim)->hcb_qe, \ | |
57 | __bfa_cb_itnim_offline, (__itnim)); \ | |
58 | } \ | |
59 | } while (0) | |
60 | ||
61 | #define bfa_itnim_sler_cb(__itnim) do { \ | |
62 | if ((__itnim)->bfa->fcs) \ | |
63 | bfa_cb_itnim_sler((__itnim)->ditn); \ | |
64 | else { \ | |
65 | bfa_cb_queue((__itnim)->bfa, &(__itnim)->hcb_qe, \ | |
66 | __bfa_cb_itnim_sler, (__itnim)); \ | |
67 | } \ | |
68 | } while (0) | |
69 | ||
83763d59 KG |
70 | enum bfa_ioim_lm_ua_status { |
71 | BFA_IOIM_LM_UA_RESET = 0, | |
72 | BFA_IOIM_LM_UA_SET = 1, | |
73 | }; | |
74 | ||
5fbe25c7 | 75 | /* |
da99dcc9 | 76 | * itnim state machine event |
a36c61f9 | 77 | */ |
a36c61f9 KG |
78 | enum bfa_itnim_event { |
79 | BFA_ITNIM_SM_CREATE = 1, /* itnim is created */ | |
80 | BFA_ITNIM_SM_ONLINE = 2, /* itnim is online */ | |
81 | BFA_ITNIM_SM_OFFLINE = 3, /* itnim is offline */ | |
82 | BFA_ITNIM_SM_FWRSP = 4, /* firmware response */ | |
83 | BFA_ITNIM_SM_DELETE = 5, /* deleting an existing itnim */ | |
84 | BFA_ITNIM_SM_CLEANUP = 6, /* IO cleanup completion */ | |
85 | BFA_ITNIM_SM_SLER = 7, /* second level error recovery */ | |
86 | BFA_ITNIM_SM_HWFAIL = 8, /* IOC h/w failure event */ | |
87 | BFA_ITNIM_SM_QRESUME = 9, /* queue space available */ | |
88 | }; | |
89 | ||
5fbe25c7 | 90 | /* |
a36c61f9 KG |
91 | * BFA IOIM related definitions |
92 | */ | |
93 | #define bfa_ioim_move_to_comp_q(__ioim) do { \ | |
94 | list_del(&(__ioim)->qe); \ | |
95 | list_add_tail(&(__ioim)->qe, &(__ioim)->fcpim->ioim_comp_q); \ | |
96 | } while (0) | |
97 | ||
98 | ||
99 | #define bfa_ioim_cb_profile_comp(__fcpim, __ioim) do { \ | |
100 | if ((__fcpim)->profile_comp) \ | |
101 | (__fcpim)->profile_comp(__ioim); \ | |
102 | } while (0) | |
103 | ||
104 | #define bfa_ioim_cb_profile_start(__fcpim, __ioim) do { \ | |
105 | if ((__fcpim)->profile_start) \ | |
106 | (__fcpim)->profile_start(__ioim); \ | |
107 | } while (0) | |
a36c61f9 | 108 | |
5fbe25c7 | 109 | /* |
a36c61f9 KG |
110 | * IO state machine events |
111 | */ | |
112 | enum bfa_ioim_event { | |
113 | BFA_IOIM_SM_START = 1, /* io start request from host */ | |
114 | BFA_IOIM_SM_COMP_GOOD = 2, /* io good comp, resource free */ | |
115 | BFA_IOIM_SM_COMP = 3, /* io comp, resource is free */ | |
116 | BFA_IOIM_SM_COMP_UTAG = 4, /* io comp, resource is free */ | |
117 | BFA_IOIM_SM_DONE = 5, /* io comp, resource not free */ | |
118 | BFA_IOIM_SM_FREE = 6, /* io resource is freed */ | |
119 | BFA_IOIM_SM_ABORT = 7, /* abort request from scsi stack */ | |
120 | BFA_IOIM_SM_ABORT_COMP = 8, /* abort from f/w */ | |
121 | BFA_IOIM_SM_ABORT_DONE = 9, /* abort completion from f/w */ | |
122 | BFA_IOIM_SM_QRESUME = 10, /* CQ space available to queue IO */ | |
123 | BFA_IOIM_SM_SGALLOCED = 11, /* SG page allocation successful */ | |
124 | BFA_IOIM_SM_SQRETRY = 12, /* sequence recovery retry */ | |
125 | BFA_IOIM_SM_HCB = 13, /* bfa callback complete */ | |
126 | BFA_IOIM_SM_CLEANUP = 14, /* IO cleanup from itnim */ | |
127 | BFA_IOIM_SM_TMSTART = 15, /* IO cleanup from tskim */ | |
128 | BFA_IOIM_SM_TMDONE = 16, /* IO cleanup from tskim */ | |
129 | BFA_IOIM_SM_HWFAIL = 17, /* IOC h/w failure event */ | |
130 | BFA_IOIM_SM_IOTOV = 18, /* ITN offline TOV */ | |
131 | }; | |
132 | ||
133 | ||
5fbe25c7 | 134 | /* |
a36c61f9 KG |
135 | * BFA TSKIM related definitions |
136 | */ | |
137 | ||
5fbe25c7 | 138 | /* |
a36c61f9 KG |
139 | * task management completion handling |
140 | */ | |
141 | #define bfa_tskim_qcomp(__tskim, __cbfn) do { \ | |
142 | bfa_cb_queue((__tskim)->bfa, &(__tskim)->hcb_qe, __cbfn, (__tskim));\ | |
143 | bfa_tskim_notify_comp(__tskim); \ | |
144 | } while (0) | |
145 | ||
146 | #define bfa_tskim_notify_comp(__tskim) do { \ | |
147 | if ((__tskim)->notify) \ | |
148 | bfa_itnim_tskdone((__tskim)->itnim); \ | |
149 | } while (0) | |
150 | ||
151 | ||
152 | enum bfa_tskim_event { | |
153 | BFA_TSKIM_SM_START = 1, /* TM command start */ | |
154 | BFA_TSKIM_SM_DONE = 2, /* TM completion */ | |
155 | BFA_TSKIM_SM_QRESUME = 3, /* resume after qfull */ | |
156 | BFA_TSKIM_SM_HWFAIL = 5, /* IOC h/w failure event */ | |
157 | BFA_TSKIM_SM_HCB = 6, /* BFA callback completion */ | |
158 | BFA_TSKIM_SM_IOS_DONE = 7, /* IO and sub TM completions */ | |
159 | BFA_TSKIM_SM_CLEANUP = 8, /* TM cleanup on ITN offline */ | |
160 | BFA_TSKIM_SM_CLEANUP_DONE = 9, /* TM abort completion */ | |
161 | }; | |
162 | ||
5fbe25c7 | 163 | /* |
a36c61f9 KG |
164 | * forward declaration for BFA ITNIM functions |
165 | */ | |
166 | static void bfa_itnim_iocdisable_cleanup(struct bfa_itnim_s *itnim); | |
167 | static bfa_boolean_t bfa_itnim_send_fwcreate(struct bfa_itnim_s *itnim); | |
168 | static bfa_boolean_t bfa_itnim_send_fwdelete(struct bfa_itnim_s *itnim); | |
169 | static void bfa_itnim_cleanp_comp(void *itnim_cbarg); | |
170 | static void bfa_itnim_cleanup(struct bfa_itnim_s *itnim); | |
171 | static void __bfa_cb_itnim_online(void *cbarg, bfa_boolean_t complete); | |
172 | static void __bfa_cb_itnim_offline(void *cbarg, bfa_boolean_t complete); | |
173 | static void __bfa_cb_itnim_sler(void *cbarg, bfa_boolean_t complete); | |
174 | static void bfa_itnim_iotov_online(struct bfa_itnim_s *itnim); | |
175 | static void bfa_itnim_iotov_cleanup(struct bfa_itnim_s *itnim); | |
176 | static void bfa_itnim_iotov(void *itnim_arg); | |
177 | static void bfa_itnim_iotov_start(struct bfa_itnim_s *itnim); | |
178 | static void bfa_itnim_iotov_stop(struct bfa_itnim_s *itnim); | |
179 | static void bfa_itnim_iotov_delete(struct bfa_itnim_s *itnim); | |
180 | ||
5fbe25c7 | 181 | /* |
a36c61f9 KG |
182 | * forward declaration of ITNIM state machine |
183 | */ | |
184 | static void bfa_itnim_sm_uninit(struct bfa_itnim_s *itnim, | |
185 | enum bfa_itnim_event event); | |
186 | static void bfa_itnim_sm_created(struct bfa_itnim_s *itnim, | |
187 | enum bfa_itnim_event event); | |
188 | static void bfa_itnim_sm_fwcreate(struct bfa_itnim_s *itnim, | |
189 | enum bfa_itnim_event event); | |
190 | static void bfa_itnim_sm_delete_pending(struct bfa_itnim_s *itnim, | |
191 | enum bfa_itnim_event event); | |
192 | static void bfa_itnim_sm_online(struct bfa_itnim_s *itnim, | |
193 | enum bfa_itnim_event event); | |
194 | static void bfa_itnim_sm_sler(struct bfa_itnim_s *itnim, | |
195 | enum bfa_itnim_event event); | |
196 | static void bfa_itnim_sm_cleanup_offline(struct bfa_itnim_s *itnim, | |
197 | enum bfa_itnim_event event); | |
198 | static void bfa_itnim_sm_cleanup_delete(struct bfa_itnim_s *itnim, | |
199 | enum bfa_itnim_event event); | |
200 | static void bfa_itnim_sm_fwdelete(struct bfa_itnim_s *itnim, | |
201 | enum bfa_itnim_event event); | |
202 | static void bfa_itnim_sm_offline(struct bfa_itnim_s *itnim, | |
203 | enum bfa_itnim_event event); | |
204 | static void bfa_itnim_sm_iocdisable(struct bfa_itnim_s *itnim, | |
205 | enum bfa_itnim_event event); | |
206 | static void bfa_itnim_sm_deleting(struct bfa_itnim_s *itnim, | |
207 | enum bfa_itnim_event event); | |
208 | static void bfa_itnim_sm_fwcreate_qfull(struct bfa_itnim_s *itnim, | |
209 | enum bfa_itnim_event event); | |
210 | static void bfa_itnim_sm_fwdelete_qfull(struct bfa_itnim_s *itnim, | |
211 | enum bfa_itnim_event event); | |
212 | static void bfa_itnim_sm_deleting_qfull(struct bfa_itnim_s *itnim, | |
213 | enum bfa_itnim_event event); | |
214 | ||
5fbe25c7 | 215 | /* |
a36c61f9 KG |
216 | * forward declaration for BFA IOIM functions |
217 | */ | |
218 | static bfa_boolean_t bfa_ioim_send_ioreq(struct bfa_ioim_s *ioim); | |
e3e7d3ee | 219 | static bfa_boolean_t bfa_ioim_sgpg_alloc(struct bfa_ioim_s *ioim); |
a36c61f9 KG |
220 | static bfa_boolean_t bfa_ioim_send_abort(struct bfa_ioim_s *ioim); |
221 | static void bfa_ioim_notify_cleanup(struct bfa_ioim_s *ioim); | |
222 | static void __bfa_cb_ioim_good_comp(void *cbarg, bfa_boolean_t complete); | |
223 | static void __bfa_cb_ioim_comp(void *cbarg, bfa_boolean_t complete); | |
224 | static void __bfa_cb_ioim_abort(void *cbarg, bfa_boolean_t complete); | |
225 | static void __bfa_cb_ioim_failed(void *cbarg, bfa_boolean_t complete); | |
226 | static void __bfa_cb_ioim_pathtov(void *cbarg, bfa_boolean_t complete); | |
227 | static bfa_boolean_t bfa_ioim_is_abortable(struct bfa_ioim_s *ioim); | |
228 | ||
5fbe25c7 | 229 | /* |
a36c61f9 KG |
230 | * forward declaration of BFA IO state machine |
231 | */ | |
232 | static void bfa_ioim_sm_uninit(struct bfa_ioim_s *ioim, | |
233 | enum bfa_ioim_event event); | |
234 | static void bfa_ioim_sm_sgalloc(struct bfa_ioim_s *ioim, | |
235 | enum bfa_ioim_event event); | |
236 | static void bfa_ioim_sm_active(struct bfa_ioim_s *ioim, | |
237 | enum bfa_ioim_event event); | |
238 | static void bfa_ioim_sm_abort(struct bfa_ioim_s *ioim, | |
239 | enum bfa_ioim_event event); | |
240 | static void bfa_ioim_sm_cleanup(struct bfa_ioim_s *ioim, | |
241 | enum bfa_ioim_event event); | |
242 | static void bfa_ioim_sm_qfull(struct bfa_ioim_s *ioim, | |
243 | enum bfa_ioim_event event); | |
244 | static void bfa_ioim_sm_abort_qfull(struct bfa_ioim_s *ioim, | |
245 | enum bfa_ioim_event event); | |
246 | static void bfa_ioim_sm_cleanup_qfull(struct bfa_ioim_s *ioim, | |
247 | enum bfa_ioim_event event); | |
248 | static void bfa_ioim_sm_hcb(struct bfa_ioim_s *ioim, | |
249 | enum bfa_ioim_event event); | |
250 | static void bfa_ioim_sm_hcb_free(struct bfa_ioim_s *ioim, | |
251 | enum bfa_ioim_event event); | |
252 | static void bfa_ioim_sm_resfree(struct bfa_ioim_s *ioim, | |
253 | enum bfa_ioim_event event); | |
254 | static void bfa_ioim_sm_cmnd_retry(struct bfa_ioim_s *ioim, | |
255 | enum bfa_ioim_event event); | |
5fbe25c7 | 256 | /* |
a36c61f9 KG |
257 | * forward declaration for BFA TSKIM functions |
258 | */ | |
259 | static void __bfa_cb_tskim_done(void *cbarg, bfa_boolean_t complete); | |
260 | static void __bfa_cb_tskim_failed(void *cbarg, bfa_boolean_t complete); | |
261 | static bfa_boolean_t bfa_tskim_match_scope(struct bfa_tskim_s *tskim, | |
f314878a | 262 | struct scsi_lun lun); |
a36c61f9 KG |
263 | static void bfa_tskim_gather_ios(struct bfa_tskim_s *tskim); |
264 | static void bfa_tskim_cleanp_comp(void *tskim_cbarg); | |
265 | static void bfa_tskim_cleanup_ios(struct bfa_tskim_s *tskim); | |
266 | static bfa_boolean_t bfa_tskim_send(struct bfa_tskim_s *tskim); | |
267 | static bfa_boolean_t bfa_tskim_send_abort(struct bfa_tskim_s *tskim); | |
268 | static void bfa_tskim_iocdisable_ios(struct bfa_tskim_s *tskim); | |
269 | ||
5fbe25c7 | 270 | /* |
a36c61f9 KG |
271 | * forward declaration of BFA TSKIM state machine |
272 | */ | |
273 | static void bfa_tskim_sm_uninit(struct bfa_tskim_s *tskim, | |
274 | enum bfa_tskim_event event); | |
275 | static void bfa_tskim_sm_active(struct bfa_tskim_s *tskim, | |
276 | enum bfa_tskim_event event); | |
277 | static void bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim, | |
278 | enum bfa_tskim_event event); | |
279 | static void bfa_tskim_sm_iocleanup(struct bfa_tskim_s *tskim, | |
280 | enum bfa_tskim_event event); | |
281 | static void bfa_tskim_sm_qfull(struct bfa_tskim_s *tskim, | |
282 | enum bfa_tskim_event event); | |
283 | static void bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim, | |
284 | enum bfa_tskim_event event); | |
285 | static void bfa_tskim_sm_hcb(struct bfa_tskim_s *tskim, | |
286 | enum bfa_tskim_event event); | |
5fbe25c7 | 287 | /* |
df0f1933 | 288 | * BFA FCP Initiator Mode module |
7725ccfd JH |
289 | */ |
290 | ||
5fbe25c7 | 291 | /* |
da99dcc9 | 292 | * Compute and return memory needed by FCP(im) module. |
7725ccfd JH |
293 | */ |
294 | static void | |
4507025d | 295 | bfa_fcpim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len) |
7725ccfd | 296 | { |
4507025d | 297 | bfa_itnim_meminfo(cfg, km_len); |
7725ccfd | 298 | |
5fbe25c7 | 299 | /* |
7725ccfd JH |
300 | * IO memory |
301 | */ | |
7725ccfd JH |
302 | *km_len += cfg->fwcfg.num_ioim_reqs * |
303 | (sizeof(struct bfa_ioim_s) + sizeof(struct bfa_ioim_sp_s)); | |
304 | ||
5fbe25c7 | 305 | /* |
7725ccfd JH |
306 | * task management command memory |
307 | */ | |
308 | if (cfg->fwcfg.num_tskim_reqs < BFA_TSKIM_MIN) | |
309 | cfg->fwcfg.num_tskim_reqs = BFA_TSKIM_MIN; | |
310 | *km_len += cfg->fwcfg.num_tskim_reqs * sizeof(struct bfa_tskim_s); | |
311 | } | |
312 | ||
313 | ||
314 | static void | |
e2187d7f | 315 | bfa_fcpim_attach(struct bfa_fcp_mod_s *fcp, void *bfad, |
4507025d | 316 | struct bfa_iocfc_cfg_s *cfg, struct bfa_pcidev_s *pcidev) |
7725ccfd | 317 | { |
e2187d7f KG |
318 | struct bfa_fcpim_s *fcpim = &fcp->fcpim; |
319 | struct bfa_s *bfa = fcp->bfa; | |
7725ccfd JH |
320 | |
321 | bfa_trc(bfa, cfg->drvcfg.path_tov); | |
322 | bfa_trc(bfa, cfg->fwcfg.num_rports); | |
323 | bfa_trc(bfa, cfg->fwcfg.num_ioim_reqs); | |
324 | bfa_trc(bfa, cfg->fwcfg.num_tskim_reqs); | |
325 | ||
e2187d7f | 326 | fcpim->fcp = fcp; |
a36c61f9 KG |
327 | fcpim->bfa = bfa; |
328 | fcpim->num_itnims = cfg->fwcfg.num_rports; | |
7725ccfd | 329 | fcpim->num_tskim_reqs = cfg->fwcfg.num_tskim_reqs; |
a36c61f9 KG |
330 | fcpim->path_tov = cfg->drvcfg.path_tov; |
331 | fcpim->delay_comp = cfg->drvcfg.delay_comp; | |
332 | fcpim->profile_comp = NULL; | |
333 | fcpim->profile_start = NULL; | |
7725ccfd | 334 | |
4507025d KG |
335 | bfa_itnim_attach(fcpim); |
336 | bfa_tskim_attach(fcpim); | |
337 | bfa_ioim_attach(fcpim); | |
7725ccfd JH |
338 | } |
339 | ||
7725ccfd | 340 | static void |
e2187d7f | 341 | bfa_fcpim_iocdisable(struct bfa_fcp_mod_s *fcp) |
7725ccfd | 342 | { |
e2187d7f | 343 | struct bfa_fcpim_s *fcpim = &fcp->fcpim; |
7725ccfd | 344 | struct bfa_itnim_s *itnim; |
a36c61f9 | 345 | struct list_head *qe, *qen; |
7725ccfd | 346 | |
3fd45980 KG |
347 | /* Enqueue unused ioim resources to free_q */ |
348 | list_splice_tail_init(&fcpim->tskim_unused_q, &fcpim->tskim_free_q); | |
349 | ||
7725ccfd JH |
350 | list_for_each_safe(qe, qen, &fcpim->itnim_q) { |
351 | itnim = (struct bfa_itnim_s *) qe; | |
352 | bfa_itnim_iocdisable(itnim); | |
353 | } | |
354 | } | |
355 | ||
356 | void | |
357 | bfa_fcpim_path_tov_set(struct bfa_s *bfa, u16 path_tov) | |
358 | { | |
e2187d7f | 359 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
7725ccfd JH |
360 | |
361 | fcpim->path_tov = path_tov * 1000; | |
362 | if (fcpim->path_tov > BFA_FCPIM_PATHTOV_MAX) | |
363 | fcpim->path_tov = BFA_FCPIM_PATHTOV_MAX; | |
364 | } | |
365 | ||
366 | u16 | |
367 | bfa_fcpim_path_tov_get(struct bfa_s *bfa) | |
368 | { | |
e2187d7f | 369 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
7725ccfd | 370 | |
f8ceafde | 371 | return fcpim->path_tov / 1000; |
7725ccfd JH |
372 | } |
373 | ||
60138066 KG |
374 | #define bfa_fcpim_add_iostats(__l, __r, __stats) \ |
375 | (__l->__stats += __r->__stats) | |
376 | ||
377 | void | |
378 | bfa_fcpim_add_stats(struct bfa_itnim_iostats_s *lstats, | |
379 | struct bfa_itnim_iostats_s *rstats) | |
380 | { | |
381 | bfa_fcpim_add_iostats(lstats, rstats, total_ios); | |
382 | bfa_fcpim_add_iostats(lstats, rstats, qresumes); | |
383 | bfa_fcpim_add_iostats(lstats, rstats, no_iotags); | |
384 | bfa_fcpim_add_iostats(lstats, rstats, io_aborts); | |
385 | bfa_fcpim_add_iostats(lstats, rstats, no_tskims); | |
386 | bfa_fcpim_add_iostats(lstats, rstats, iocomp_ok); | |
387 | bfa_fcpim_add_iostats(lstats, rstats, iocomp_underrun); | |
388 | bfa_fcpim_add_iostats(lstats, rstats, iocomp_overrun); | |
389 | bfa_fcpim_add_iostats(lstats, rstats, iocomp_aborted); | |
390 | bfa_fcpim_add_iostats(lstats, rstats, iocomp_timedout); | |
391 | bfa_fcpim_add_iostats(lstats, rstats, iocom_nexus_abort); | |
392 | bfa_fcpim_add_iostats(lstats, rstats, iocom_proto_err); | |
393 | bfa_fcpim_add_iostats(lstats, rstats, iocom_dif_err); | |
394 | bfa_fcpim_add_iostats(lstats, rstats, iocom_sqer_needed); | |
395 | bfa_fcpim_add_iostats(lstats, rstats, iocom_res_free); | |
396 | bfa_fcpim_add_iostats(lstats, rstats, iocom_hostabrts); | |
397 | bfa_fcpim_add_iostats(lstats, rstats, iocom_utags); | |
398 | bfa_fcpim_add_iostats(lstats, rstats, io_cleanups); | |
399 | bfa_fcpim_add_iostats(lstats, rstats, io_tmaborts); | |
400 | bfa_fcpim_add_iostats(lstats, rstats, onlines); | |
401 | bfa_fcpim_add_iostats(lstats, rstats, offlines); | |
402 | bfa_fcpim_add_iostats(lstats, rstats, creates); | |
403 | bfa_fcpim_add_iostats(lstats, rstats, deletes); | |
404 | bfa_fcpim_add_iostats(lstats, rstats, create_comps); | |
405 | bfa_fcpim_add_iostats(lstats, rstats, delete_comps); | |
406 | bfa_fcpim_add_iostats(lstats, rstats, sler_events); | |
407 | bfa_fcpim_add_iostats(lstats, rstats, fw_create); | |
408 | bfa_fcpim_add_iostats(lstats, rstats, fw_delete); | |
409 | bfa_fcpim_add_iostats(lstats, rstats, ioc_disabled); | |
410 | bfa_fcpim_add_iostats(lstats, rstats, cleanup_comps); | |
411 | bfa_fcpim_add_iostats(lstats, rstats, tm_cmnds); | |
412 | bfa_fcpim_add_iostats(lstats, rstats, tm_fw_rsps); | |
413 | bfa_fcpim_add_iostats(lstats, rstats, tm_success); | |
414 | bfa_fcpim_add_iostats(lstats, rstats, tm_failures); | |
415 | bfa_fcpim_add_iostats(lstats, rstats, tm_io_comps); | |
416 | bfa_fcpim_add_iostats(lstats, rstats, tm_qresumes); | |
417 | bfa_fcpim_add_iostats(lstats, rstats, tm_iocdowns); | |
418 | bfa_fcpim_add_iostats(lstats, rstats, tm_cleanups); | |
419 | bfa_fcpim_add_iostats(lstats, rstats, tm_cleanup_comps); | |
420 | bfa_fcpim_add_iostats(lstats, rstats, io_comps); | |
421 | bfa_fcpim_add_iostats(lstats, rstats, input_reqs); | |
422 | bfa_fcpim_add_iostats(lstats, rstats, output_reqs); | |
423 | bfa_fcpim_add_iostats(lstats, rstats, rd_throughput); | |
424 | bfa_fcpim_add_iostats(lstats, rstats, wr_throughput); | |
425 | } | |
426 | ||
427 | bfa_status_t | |
428 | bfa_fcpim_port_iostats(struct bfa_s *bfa, | |
429 | struct bfa_itnim_iostats_s *stats, u8 lp_tag) | |
430 | { | |
431 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); | |
432 | struct list_head *qe, *qen; | |
433 | struct bfa_itnim_s *itnim; | |
434 | ||
435 | /* accumulate IO stats from itnim */ | |
436 | memset(stats, 0, sizeof(struct bfa_itnim_iostats_s)); | |
437 | list_for_each_safe(qe, qen, &fcpim->itnim_q) { | |
438 | itnim = (struct bfa_itnim_s *) qe; | |
439 | if (itnim->rport->rport_info.lp_tag != lp_tag) | |
440 | continue; | |
441 | bfa_fcpim_add_stats(stats, &(itnim->stats)); | |
442 | } | |
443 | return BFA_STATUS_OK; | |
444 | } | |
445 | ||
42a8e6e2 KG |
446 | void |
447 | bfa_ioim_profile_comp(struct bfa_ioim_s *ioim) | |
448 | { | |
449 | struct bfa_itnim_latency_s *io_lat = | |
450 | &(ioim->itnim->ioprofile.io_latency); | |
451 | u32 val, idx; | |
452 | ||
453 | val = (u32)(jiffies - ioim->start_time); | |
454 | idx = bfa_ioim_get_index(scsi_bufflen((struct scsi_cmnd *)ioim->dio)); | |
455 | bfa_itnim_ioprofile_update(ioim->itnim, idx); | |
456 | ||
457 | io_lat->count[idx]++; | |
458 | io_lat->min[idx] = (io_lat->min[idx] < val) ? io_lat->min[idx] : val; | |
459 | io_lat->max[idx] = (io_lat->max[idx] > val) ? io_lat->max[idx] : val; | |
460 | io_lat->avg[idx] += val; | |
461 | } | |
462 | ||
463 | void | |
464 | bfa_ioim_profile_start(struct bfa_ioim_s *ioim) | |
465 | { | |
466 | ioim->start_time = jiffies; | |
467 | } | |
468 | ||
469 | bfa_status_t | |
470 | bfa_fcpim_profile_on(struct bfa_s *bfa, u32 time) | |
471 | { | |
472 | struct bfa_itnim_s *itnim; | |
473 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); | |
474 | struct list_head *qe, *qen; | |
475 | ||
476 | /* accumulate IO stats from itnim */ | |
477 | list_for_each_safe(qe, qen, &fcpim->itnim_q) { | |
478 | itnim = (struct bfa_itnim_s *) qe; | |
479 | bfa_itnim_clear_stats(itnim); | |
480 | } | |
481 | fcpim->io_profile = BFA_TRUE; | |
482 | fcpim->io_profile_start_time = time; | |
483 | fcpim->profile_comp = bfa_ioim_profile_comp; | |
484 | fcpim->profile_start = bfa_ioim_profile_start; | |
485 | return BFA_STATUS_OK; | |
486 | } | |
487 | ||
488 | bfa_status_t | |
489 | bfa_fcpim_profile_off(struct bfa_s *bfa) | |
490 | { | |
491 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); | |
492 | fcpim->io_profile = BFA_FALSE; | |
493 | fcpim->io_profile_start_time = 0; | |
494 | fcpim->profile_comp = NULL; | |
495 | fcpim->profile_start = NULL; | |
496 | return BFA_STATUS_OK; | |
497 | } | |
498 | ||
7725ccfd JH |
499 | u16 |
500 | bfa_fcpim_qdepth_get(struct bfa_s *bfa) | |
501 | { | |
e2187d7f | 502 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
7725ccfd | 503 | |
f8ceafde | 504 | return fcpim->q_depth; |
7725ccfd JH |
505 | } |
506 | ||
5fbe25c7 | 507 | /* |
a36c61f9 KG |
508 | * BFA ITNIM module state machine functions |
509 | */ | |
510 | ||
5fbe25c7 | 511 | /* |
da99dcc9 | 512 | * Beginning/unallocated state - no events expected. |
a36c61f9 KG |
513 | */ |
514 | static void | |
515 | bfa_itnim_sm_uninit(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
516 | { | |
517 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
518 | bfa_trc(itnim->bfa, event); | |
519 | ||
520 | switch (event) { | |
521 | case BFA_ITNIM_SM_CREATE: | |
522 | bfa_sm_set_state(itnim, bfa_itnim_sm_created); | |
523 | itnim->is_online = BFA_FALSE; | |
524 | bfa_fcpim_additn(itnim); | |
525 | break; | |
526 | ||
527 | default: | |
528 | bfa_sm_fault(itnim->bfa, event); | |
529 | } | |
530 | } | |
531 | ||
5fbe25c7 | 532 | /* |
da99dcc9 | 533 | * Beginning state, only online event expected. |
a36c61f9 KG |
534 | */ |
535 | static void | |
536 | bfa_itnim_sm_created(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
537 | { | |
538 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
539 | bfa_trc(itnim->bfa, event); | |
540 | ||
541 | switch (event) { | |
542 | case BFA_ITNIM_SM_ONLINE: | |
543 | if (bfa_itnim_send_fwcreate(itnim)) | |
544 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); | |
545 | else | |
546 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate_qfull); | |
547 | break; | |
548 | ||
549 | case BFA_ITNIM_SM_DELETE: | |
550 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
551 | bfa_fcpim_delitn(itnim); | |
552 | break; | |
553 | ||
554 | case BFA_ITNIM_SM_HWFAIL: | |
555 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
556 | break; | |
557 | ||
558 | default: | |
559 | bfa_sm_fault(itnim->bfa, event); | |
560 | } | |
561 | } | |
562 | ||
5fbe25c7 | 563 | /* |
a36c61f9 KG |
564 | * Waiting for itnim create response from firmware. |
565 | */ | |
566 | static void | |
567 | bfa_itnim_sm_fwcreate(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
568 | { | |
569 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
570 | bfa_trc(itnim->bfa, event); | |
571 | ||
572 | switch (event) { | |
573 | case BFA_ITNIM_SM_FWRSP: | |
574 | bfa_sm_set_state(itnim, bfa_itnim_sm_online); | |
575 | itnim->is_online = BFA_TRUE; | |
576 | bfa_itnim_iotov_online(itnim); | |
577 | bfa_itnim_online_cb(itnim); | |
578 | break; | |
579 | ||
580 | case BFA_ITNIM_SM_DELETE: | |
581 | bfa_sm_set_state(itnim, bfa_itnim_sm_delete_pending); | |
582 | break; | |
583 | ||
584 | case BFA_ITNIM_SM_OFFLINE: | |
585 | if (bfa_itnim_send_fwdelete(itnim)) | |
586 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete); | |
587 | else | |
588 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete_qfull); | |
589 | break; | |
590 | ||
591 | case BFA_ITNIM_SM_HWFAIL: | |
592 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
593 | break; | |
594 | ||
595 | default: | |
596 | bfa_sm_fault(itnim->bfa, event); | |
597 | } | |
598 | } | |
599 | ||
600 | static void | |
601 | bfa_itnim_sm_fwcreate_qfull(struct bfa_itnim_s *itnim, | |
602 | enum bfa_itnim_event event) | |
603 | { | |
604 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
605 | bfa_trc(itnim->bfa, event); | |
606 | ||
607 | switch (event) { | |
608 | case BFA_ITNIM_SM_QRESUME: | |
609 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); | |
610 | bfa_itnim_send_fwcreate(itnim); | |
611 | break; | |
612 | ||
613 | case BFA_ITNIM_SM_DELETE: | |
614 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
615 | bfa_reqq_wcancel(&itnim->reqq_wait); | |
616 | bfa_fcpim_delitn(itnim); | |
617 | break; | |
618 | ||
619 | case BFA_ITNIM_SM_OFFLINE: | |
620 | bfa_sm_set_state(itnim, bfa_itnim_sm_offline); | |
621 | bfa_reqq_wcancel(&itnim->reqq_wait); | |
622 | bfa_itnim_offline_cb(itnim); | |
623 | break; | |
624 | ||
625 | case BFA_ITNIM_SM_HWFAIL: | |
626 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
627 | bfa_reqq_wcancel(&itnim->reqq_wait); | |
628 | break; | |
629 | ||
630 | default: | |
631 | bfa_sm_fault(itnim->bfa, event); | |
632 | } | |
633 | } | |
634 | ||
5fbe25c7 | 635 | /* |
da99dcc9 | 636 | * Waiting for itnim create response from firmware, a delete is pending. |
a36c61f9 KG |
637 | */ |
638 | static void | |
639 | bfa_itnim_sm_delete_pending(struct bfa_itnim_s *itnim, | |
640 | enum bfa_itnim_event event) | |
641 | { | |
642 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
643 | bfa_trc(itnim->bfa, event); | |
644 | ||
645 | switch (event) { | |
646 | case BFA_ITNIM_SM_FWRSP: | |
647 | if (bfa_itnim_send_fwdelete(itnim)) | |
648 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); | |
649 | else | |
650 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting_qfull); | |
651 | break; | |
652 | ||
653 | case BFA_ITNIM_SM_HWFAIL: | |
654 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
655 | bfa_fcpim_delitn(itnim); | |
656 | break; | |
657 | ||
658 | default: | |
659 | bfa_sm_fault(itnim->bfa, event); | |
660 | } | |
661 | } | |
662 | ||
5fbe25c7 | 663 | /* |
da99dcc9 | 664 | * Online state - normal parking state. |
a36c61f9 KG |
665 | */ |
666 | static void | |
667 | bfa_itnim_sm_online(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_OFFLINE: | |
674 | bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_offline); | |
675 | itnim->is_online = BFA_FALSE; | |
676 | bfa_itnim_iotov_start(itnim); | |
677 | bfa_itnim_cleanup(itnim); | |
678 | break; | |
679 | ||
680 | case BFA_ITNIM_SM_DELETE: | |
681 | bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_delete); | |
682 | itnim->is_online = BFA_FALSE; | |
683 | bfa_itnim_cleanup(itnim); | |
684 | break; | |
685 | ||
686 | case BFA_ITNIM_SM_SLER: | |
687 | bfa_sm_set_state(itnim, bfa_itnim_sm_sler); | |
688 | itnim->is_online = BFA_FALSE; | |
689 | bfa_itnim_iotov_start(itnim); | |
690 | bfa_itnim_sler_cb(itnim); | |
691 | break; | |
692 | ||
693 | case BFA_ITNIM_SM_HWFAIL: | |
694 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
695 | itnim->is_online = BFA_FALSE; | |
696 | bfa_itnim_iotov_start(itnim); | |
697 | bfa_itnim_iocdisable_cleanup(itnim); | |
698 | break; | |
699 | ||
700 | default: | |
701 | bfa_sm_fault(itnim->bfa, event); | |
702 | } | |
703 | } | |
704 | ||
5fbe25c7 | 705 | /* |
da99dcc9 | 706 | * Second level error recovery need. |
a36c61f9 KG |
707 | */ |
708 | static void | |
709 | bfa_itnim_sm_sler(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
710 | { | |
711 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
712 | bfa_trc(itnim->bfa, event); | |
713 | ||
714 | switch (event) { | |
715 | case BFA_ITNIM_SM_OFFLINE: | |
716 | bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_offline); | |
717 | bfa_itnim_cleanup(itnim); | |
718 | break; | |
719 | ||
720 | case BFA_ITNIM_SM_DELETE: | |
721 | bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_delete); | |
722 | bfa_itnim_cleanup(itnim); | |
723 | bfa_itnim_iotov_delete(itnim); | |
724 | break; | |
725 | ||
726 | case BFA_ITNIM_SM_HWFAIL: | |
727 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
728 | bfa_itnim_iocdisable_cleanup(itnim); | |
729 | break; | |
730 | ||
731 | default: | |
732 | bfa_sm_fault(itnim->bfa, event); | |
733 | } | |
734 | } | |
735 | ||
5fbe25c7 | 736 | /* |
da99dcc9 | 737 | * Going offline. Waiting for active IO cleanup. |
a36c61f9 KG |
738 | */ |
739 | static void | |
740 | bfa_itnim_sm_cleanup_offline(struct bfa_itnim_s *itnim, | |
741 | enum bfa_itnim_event event) | |
742 | { | |
743 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
744 | bfa_trc(itnim->bfa, event); | |
745 | ||
746 | switch (event) { | |
747 | case BFA_ITNIM_SM_CLEANUP: | |
748 | if (bfa_itnim_send_fwdelete(itnim)) | |
749 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete); | |
750 | else | |
751 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete_qfull); | |
752 | break; | |
753 | ||
754 | case BFA_ITNIM_SM_DELETE: | |
755 | bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_delete); | |
756 | bfa_itnim_iotov_delete(itnim); | |
757 | break; | |
758 | ||
759 | case BFA_ITNIM_SM_HWFAIL: | |
760 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
761 | bfa_itnim_iocdisable_cleanup(itnim); | |
762 | bfa_itnim_offline_cb(itnim); | |
763 | break; | |
764 | ||
765 | case BFA_ITNIM_SM_SLER: | |
766 | break; | |
767 | ||
768 | default: | |
769 | bfa_sm_fault(itnim->bfa, event); | |
770 | } | |
771 | } | |
772 | ||
5fbe25c7 | 773 | /* |
da99dcc9 | 774 | * Deleting itnim. Waiting for active IO cleanup. |
a36c61f9 KG |
775 | */ |
776 | static void | |
777 | bfa_itnim_sm_cleanup_delete(struct bfa_itnim_s *itnim, | |
778 | enum bfa_itnim_event event) | |
779 | { | |
780 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
781 | bfa_trc(itnim->bfa, event); | |
782 | ||
783 | switch (event) { | |
784 | case BFA_ITNIM_SM_CLEANUP: | |
785 | if (bfa_itnim_send_fwdelete(itnim)) | |
786 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); | |
787 | else | |
788 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting_qfull); | |
789 | break; | |
790 | ||
791 | case BFA_ITNIM_SM_HWFAIL: | |
792 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
793 | bfa_itnim_iocdisable_cleanup(itnim); | |
794 | break; | |
795 | ||
796 | default: | |
797 | bfa_sm_fault(itnim->bfa, event); | |
798 | } | |
799 | } | |
800 | ||
5fbe25c7 | 801 | /* |
a36c61f9 KG |
802 | * Rport offline. Fimrware itnim is being deleted - awaiting f/w response. |
803 | */ | |
804 | static void | |
805 | bfa_itnim_sm_fwdelete(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
806 | { | |
807 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
808 | bfa_trc(itnim->bfa, event); | |
809 | ||
810 | switch (event) { | |
811 | case BFA_ITNIM_SM_FWRSP: | |
812 | bfa_sm_set_state(itnim, bfa_itnim_sm_offline); | |
813 | bfa_itnim_offline_cb(itnim); | |
814 | break; | |
815 | ||
816 | case BFA_ITNIM_SM_DELETE: | |
817 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); | |
818 | break; | |
819 | ||
820 | case BFA_ITNIM_SM_HWFAIL: | |
821 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
822 | bfa_itnim_offline_cb(itnim); | |
823 | break; | |
824 | ||
825 | default: | |
826 | bfa_sm_fault(itnim->bfa, event); | |
827 | } | |
828 | } | |
829 | ||
830 | static void | |
831 | bfa_itnim_sm_fwdelete_qfull(struct bfa_itnim_s *itnim, | |
832 | enum bfa_itnim_event event) | |
833 | { | |
834 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
835 | bfa_trc(itnim->bfa, event); | |
836 | ||
837 | switch (event) { | |
838 | case BFA_ITNIM_SM_QRESUME: | |
839 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete); | |
840 | bfa_itnim_send_fwdelete(itnim); | |
841 | break; | |
842 | ||
843 | case BFA_ITNIM_SM_DELETE: | |
844 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting_qfull); | |
845 | break; | |
846 | ||
847 | case BFA_ITNIM_SM_HWFAIL: | |
848 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
849 | bfa_reqq_wcancel(&itnim->reqq_wait); | |
850 | bfa_itnim_offline_cb(itnim); | |
851 | break; | |
852 | ||
853 | default: | |
854 | bfa_sm_fault(itnim->bfa, event); | |
855 | } | |
856 | } | |
857 | ||
5fbe25c7 | 858 | /* |
da99dcc9 | 859 | * Offline state. |
a36c61f9 KG |
860 | */ |
861 | static void | |
862 | bfa_itnim_sm_offline(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
863 | { | |
864 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
865 | bfa_trc(itnim->bfa, event); | |
866 | ||
867 | switch (event) { | |
868 | case BFA_ITNIM_SM_DELETE: | |
869 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
870 | bfa_itnim_iotov_delete(itnim); | |
871 | bfa_fcpim_delitn(itnim); | |
872 | break; | |
873 | ||
874 | case BFA_ITNIM_SM_ONLINE: | |
875 | if (bfa_itnim_send_fwcreate(itnim)) | |
876 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); | |
877 | else | |
878 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate_qfull); | |
879 | break; | |
880 | ||
881 | case BFA_ITNIM_SM_HWFAIL: | |
882 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
883 | break; | |
884 | ||
885 | default: | |
886 | bfa_sm_fault(itnim->bfa, event); | |
887 | } | |
888 | } | |
889 | ||
a36c61f9 KG |
890 | static void |
891 | bfa_itnim_sm_iocdisable(struct bfa_itnim_s *itnim, | |
892 | enum bfa_itnim_event event) | |
893 | { | |
894 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
895 | bfa_trc(itnim->bfa, event); | |
896 | ||
897 | switch (event) { | |
898 | case BFA_ITNIM_SM_DELETE: | |
899 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
900 | bfa_itnim_iotov_delete(itnim); | |
901 | bfa_fcpim_delitn(itnim); | |
902 | break; | |
903 | ||
904 | case BFA_ITNIM_SM_OFFLINE: | |
905 | bfa_itnim_offline_cb(itnim); | |
906 | break; | |
907 | ||
908 | case BFA_ITNIM_SM_ONLINE: | |
909 | if (bfa_itnim_send_fwcreate(itnim)) | |
910 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); | |
911 | else | |
912 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate_qfull); | |
913 | break; | |
914 | ||
915 | case BFA_ITNIM_SM_HWFAIL: | |
916 | break; | |
917 | ||
918 | default: | |
919 | bfa_sm_fault(itnim->bfa, event); | |
920 | } | |
921 | } | |
922 | ||
5fbe25c7 | 923 | /* |
da99dcc9 | 924 | * Itnim is deleted, waiting for firmware response to delete. |
a36c61f9 KG |
925 | */ |
926 | static void | |
927 | bfa_itnim_sm_deleting(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
928 | { | |
929 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
930 | bfa_trc(itnim->bfa, event); | |
931 | ||
932 | switch (event) { | |
933 | case BFA_ITNIM_SM_FWRSP: | |
934 | case BFA_ITNIM_SM_HWFAIL: | |
935 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
936 | bfa_fcpim_delitn(itnim); | |
937 | break; | |
938 | ||
939 | default: | |
940 | bfa_sm_fault(itnim->bfa, event); | |
941 | } | |
942 | } | |
943 | ||
944 | static void | |
945 | bfa_itnim_sm_deleting_qfull(struct bfa_itnim_s *itnim, | |
946 | enum bfa_itnim_event event) | |
947 | { | |
948 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
949 | bfa_trc(itnim->bfa, event); | |
950 | ||
951 | switch (event) { | |
952 | case BFA_ITNIM_SM_QRESUME: | |
953 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); | |
954 | bfa_itnim_send_fwdelete(itnim); | |
955 | break; | |
956 | ||
957 | case BFA_ITNIM_SM_HWFAIL: | |
958 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
959 | bfa_reqq_wcancel(&itnim->reqq_wait); | |
960 | bfa_fcpim_delitn(itnim); | |
961 | break; | |
962 | ||
963 | default: | |
964 | bfa_sm_fault(itnim->bfa, event); | |
965 | } | |
966 | } | |
967 | ||
5fbe25c7 | 968 | /* |
da99dcc9 | 969 | * Initiate cleanup of all IOs on an IOC failure. |
a36c61f9 KG |
970 | */ |
971 | static void | |
972 | bfa_itnim_iocdisable_cleanup(struct bfa_itnim_s *itnim) | |
973 | { | |
974 | struct bfa_tskim_s *tskim; | |
975 | struct bfa_ioim_s *ioim; | |
976 | struct list_head *qe, *qen; | |
977 | ||
978 | list_for_each_safe(qe, qen, &itnim->tsk_q) { | |
979 | tskim = (struct bfa_tskim_s *) qe; | |
980 | bfa_tskim_iocdisable(tskim); | |
981 | } | |
982 | ||
983 | list_for_each_safe(qe, qen, &itnim->io_q) { | |
984 | ioim = (struct bfa_ioim_s *) qe; | |
985 | bfa_ioim_iocdisable(ioim); | |
986 | } | |
987 | ||
5fbe25c7 | 988 | /* |
a36c61f9 KG |
989 | * For IO request in pending queue, we pretend an early timeout. |
990 | */ | |
991 | list_for_each_safe(qe, qen, &itnim->pending_q) { | |
992 | ioim = (struct bfa_ioim_s *) qe; | |
993 | bfa_ioim_tov(ioim); | |
994 | } | |
995 | ||
996 | list_for_each_safe(qe, qen, &itnim->io_cleanup_q) { | |
997 | ioim = (struct bfa_ioim_s *) qe; | |
998 | bfa_ioim_iocdisable(ioim); | |
999 | } | |
1000 | } | |
1001 | ||
5fbe25c7 | 1002 | /* |
da99dcc9 | 1003 | * IO cleanup completion |
a36c61f9 KG |
1004 | */ |
1005 | static void | |
1006 | bfa_itnim_cleanp_comp(void *itnim_cbarg) | |
1007 | { | |
1008 | struct bfa_itnim_s *itnim = itnim_cbarg; | |
1009 | ||
1010 | bfa_stats(itnim, cleanup_comps); | |
1011 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_CLEANUP); | |
1012 | } | |
1013 | ||
5fbe25c7 | 1014 | /* |
da99dcc9 | 1015 | * Initiate cleanup of all IOs. |
a36c61f9 KG |
1016 | */ |
1017 | static void | |
1018 | bfa_itnim_cleanup(struct bfa_itnim_s *itnim) | |
1019 | { | |
1020 | struct bfa_ioim_s *ioim; | |
1021 | struct bfa_tskim_s *tskim; | |
1022 | struct list_head *qe, *qen; | |
1023 | ||
1024 | bfa_wc_init(&itnim->wc, bfa_itnim_cleanp_comp, itnim); | |
1025 | ||
1026 | list_for_each_safe(qe, qen, &itnim->io_q) { | |
1027 | ioim = (struct bfa_ioim_s *) qe; | |
1028 | ||
5fbe25c7 | 1029 | /* |
a36c61f9 KG |
1030 | * Move IO to a cleanup queue from active queue so that a later |
1031 | * TM will not pickup this IO. | |
1032 | */ | |
1033 | list_del(&ioim->qe); | |
1034 | list_add_tail(&ioim->qe, &itnim->io_cleanup_q); | |
1035 | ||
1036 | bfa_wc_up(&itnim->wc); | |
1037 | bfa_ioim_cleanup(ioim); | |
1038 | } | |
1039 | ||
1040 | list_for_each_safe(qe, qen, &itnim->tsk_q) { | |
1041 | tskim = (struct bfa_tskim_s *) qe; | |
1042 | bfa_wc_up(&itnim->wc); | |
1043 | bfa_tskim_cleanup(tskim); | |
1044 | } | |
1045 | ||
1046 | bfa_wc_wait(&itnim->wc); | |
1047 | } | |
1048 | ||
1049 | static void | |
1050 | __bfa_cb_itnim_online(void *cbarg, bfa_boolean_t complete) | |
1051 | { | |
1052 | struct bfa_itnim_s *itnim = cbarg; | |
1053 | ||
1054 | if (complete) | |
1055 | bfa_cb_itnim_online(itnim->ditn); | |
1056 | } | |
1057 | ||
1058 | static void | |
1059 | __bfa_cb_itnim_offline(void *cbarg, bfa_boolean_t complete) | |
1060 | { | |
1061 | struct bfa_itnim_s *itnim = cbarg; | |
1062 | ||
1063 | if (complete) | |
1064 | bfa_cb_itnim_offline(itnim->ditn); | |
1065 | } | |
1066 | ||
1067 | static void | |
1068 | __bfa_cb_itnim_sler(void *cbarg, bfa_boolean_t complete) | |
1069 | { | |
1070 | struct bfa_itnim_s *itnim = cbarg; | |
1071 | ||
1072 | if (complete) | |
1073 | bfa_cb_itnim_sler(itnim->ditn); | |
1074 | } | |
1075 | ||
5fbe25c7 | 1076 | /* |
a36c61f9 KG |
1077 | * Call to resume any I/O requests waiting for room in request queue. |
1078 | */ | |
1079 | static void | |
1080 | bfa_itnim_qresume(void *cbarg) | |
1081 | { | |
1082 | struct bfa_itnim_s *itnim = cbarg; | |
1083 | ||
1084 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_QRESUME); | |
1085 | } | |
1086 | ||
5fbe25c7 | 1087 | /* |
a36c61f9 KG |
1088 | * bfa_itnim_public |
1089 | */ | |
1090 | ||
1091 | void | |
1092 | bfa_itnim_iodone(struct bfa_itnim_s *itnim) | |
1093 | { | |
1094 | bfa_wc_down(&itnim->wc); | |
1095 | } | |
1096 | ||
1097 | void | |
1098 | bfa_itnim_tskdone(struct bfa_itnim_s *itnim) | |
1099 | { | |
1100 | bfa_wc_down(&itnim->wc); | |
1101 | } | |
1102 | ||
1103 | void | |
4507025d | 1104 | bfa_itnim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len) |
a36c61f9 | 1105 | { |
5fbe25c7 | 1106 | /* |
a36c61f9 KG |
1107 | * ITN memory |
1108 | */ | |
1109 | *km_len += cfg->fwcfg.num_rports * sizeof(struct bfa_itnim_s); | |
1110 | } | |
1111 | ||
1112 | void | |
4507025d | 1113 | bfa_itnim_attach(struct bfa_fcpim_s *fcpim) |
a36c61f9 KG |
1114 | { |
1115 | struct bfa_s *bfa = fcpim->bfa; | |
4507025d | 1116 | struct bfa_fcp_mod_s *fcp = fcpim->fcp; |
a36c61f9 KG |
1117 | struct bfa_itnim_s *itnim; |
1118 | int i, j; | |
1119 | ||
1120 | INIT_LIST_HEAD(&fcpim->itnim_q); | |
1121 | ||
4507025d | 1122 | itnim = (struct bfa_itnim_s *) bfa_mem_kva_curp(fcp); |
a36c61f9 KG |
1123 | fcpim->itnim_arr = itnim; |
1124 | ||
1125 | for (i = 0; i < fcpim->num_itnims; i++, itnim++) { | |
6a18b167 | 1126 | memset(itnim, 0, sizeof(struct bfa_itnim_s)); |
a36c61f9 KG |
1127 | itnim->bfa = bfa; |
1128 | itnim->fcpim = fcpim; | |
1129 | itnim->reqq = BFA_REQQ_QOS_LO; | |
1130 | itnim->rport = BFA_RPORT_FROM_TAG(bfa, i); | |
1131 | itnim->iotov_active = BFA_FALSE; | |
1132 | bfa_reqq_winit(&itnim->reqq_wait, bfa_itnim_qresume, itnim); | |
1133 | ||
1134 | INIT_LIST_HEAD(&itnim->io_q); | |
1135 | INIT_LIST_HEAD(&itnim->io_cleanup_q); | |
1136 | INIT_LIST_HEAD(&itnim->pending_q); | |
1137 | INIT_LIST_HEAD(&itnim->tsk_q); | |
1138 | INIT_LIST_HEAD(&itnim->delay_comp_q); | |
1139 | for (j = 0; j < BFA_IOBUCKET_MAX; j++) | |
1140 | itnim->ioprofile.io_latency.min[j] = ~0; | |
1141 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
1142 | } | |
1143 | ||
4507025d | 1144 | bfa_mem_kva_curp(fcp) = (u8 *) itnim; |
a36c61f9 KG |
1145 | } |
1146 | ||
1147 | void | |
1148 | bfa_itnim_iocdisable(struct bfa_itnim_s *itnim) | |
1149 | { | |
1150 | bfa_stats(itnim, ioc_disabled); | |
1151 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_HWFAIL); | |
1152 | } | |
1153 | ||
1154 | static bfa_boolean_t | |
1155 | bfa_itnim_send_fwcreate(struct bfa_itnim_s *itnim) | |
1156 | { | |
dd5aaf45 | 1157 | struct bfi_itn_create_req_s *m; |
a36c61f9 KG |
1158 | |
1159 | itnim->msg_no++; | |
1160 | ||
5fbe25c7 | 1161 | /* |
a36c61f9 KG |
1162 | * check for room in queue to send request now |
1163 | */ | |
1164 | m = bfa_reqq_next(itnim->bfa, itnim->reqq); | |
1165 | if (!m) { | |
1166 | bfa_reqq_wait(itnim->bfa, itnim->reqq, &itnim->reqq_wait); | |
1167 | return BFA_FALSE; | |
1168 | } | |
1169 | ||
dd5aaf45 | 1170 | bfi_h2i_set(m->mh, BFI_MC_ITN, BFI_ITN_H2I_CREATE_REQ, |
3fd45980 | 1171 | bfa_fn_lpu(itnim->bfa)); |
a36c61f9 KG |
1172 | m->fw_handle = itnim->rport->fw_handle; |
1173 | m->class = FC_CLASS_3; | |
1174 | m->seq_rec = itnim->seq_rec; | |
1175 | m->msg_no = itnim->msg_no; | |
1176 | bfa_stats(itnim, fw_create); | |
1177 | ||
5fbe25c7 | 1178 | /* |
a36c61f9 KG |
1179 | * queue I/O message to firmware |
1180 | */ | |
3fd45980 | 1181 | bfa_reqq_produce(itnim->bfa, itnim->reqq, m->mh); |
a36c61f9 KG |
1182 | return BFA_TRUE; |
1183 | } | |
1184 | ||
1185 | static bfa_boolean_t | |
1186 | bfa_itnim_send_fwdelete(struct bfa_itnim_s *itnim) | |
1187 | { | |
dd5aaf45 | 1188 | struct bfi_itn_delete_req_s *m; |
a36c61f9 | 1189 | |
5fbe25c7 | 1190 | /* |
a36c61f9 KG |
1191 | * check for room in queue to send request now |
1192 | */ | |
1193 | m = bfa_reqq_next(itnim->bfa, itnim->reqq); | |
1194 | if (!m) { | |
1195 | bfa_reqq_wait(itnim->bfa, itnim->reqq, &itnim->reqq_wait); | |
1196 | return BFA_FALSE; | |
1197 | } | |
1198 | ||
dd5aaf45 | 1199 | bfi_h2i_set(m->mh, BFI_MC_ITN, BFI_ITN_H2I_DELETE_REQ, |
3fd45980 | 1200 | bfa_fn_lpu(itnim->bfa)); |
a36c61f9 KG |
1201 | m->fw_handle = itnim->rport->fw_handle; |
1202 | bfa_stats(itnim, fw_delete); | |
1203 | ||
5fbe25c7 | 1204 | /* |
a36c61f9 KG |
1205 | * queue I/O message to firmware |
1206 | */ | |
3fd45980 | 1207 | bfa_reqq_produce(itnim->bfa, itnim->reqq, m->mh); |
a36c61f9 KG |
1208 | return BFA_TRUE; |
1209 | } | |
1210 | ||
5fbe25c7 | 1211 | /* |
a36c61f9 KG |
1212 | * Cleanup all pending failed inflight requests. |
1213 | */ | |
1214 | static void | |
1215 | bfa_itnim_delayed_comp(struct bfa_itnim_s *itnim, bfa_boolean_t iotov) | |
1216 | { | |
1217 | struct bfa_ioim_s *ioim; | |
1218 | struct list_head *qe, *qen; | |
1219 | ||
1220 | list_for_each_safe(qe, qen, &itnim->delay_comp_q) { | |
1221 | ioim = (struct bfa_ioim_s *)qe; | |
1222 | bfa_ioim_delayed_comp(ioim, iotov); | |
1223 | } | |
1224 | } | |
1225 | ||
5fbe25c7 | 1226 | /* |
a36c61f9 KG |
1227 | * Start all pending IO requests. |
1228 | */ | |
1229 | static void | |
1230 | bfa_itnim_iotov_online(struct bfa_itnim_s *itnim) | |
1231 | { | |
1232 | struct bfa_ioim_s *ioim; | |
1233 | ||
1234 | bfa_itnim_iotov_stop(itnim); | |
1235 | ||
5fbe25c7 | 1236 | /* |
a36c61f9 KG |
1237 | * Abort all inflight IO requests in the queue |
1238 | */ | |
1239 | bfa_itnim_delayed_comp(itnim, BFA_FALSE); | |
1240 | ||
5fbe25c7 | 1241 | /* |
a36c61f9 KG |
1242 | * Start all pending IO requests. |
1243 | */ | |
1244 | while (!list_empty(&itnim->pending_q)) { | |
1245 | bfa_q_deq(&itnim->pending_q, &ioim); | |
1246 | list_add_tail(&ioim->qe, &itnim->io_q); | |
1247 | bfa_ioim_start(ioim); | |
1248 | } | |
1249 | } | |
1250 | ||
5fbe25c7 | 1251 | /* |
a36c61f9 KG |
1252 | * Fail all pending IO requests |
1253 | */ | |
1254 | static void | |
1255 | bfa_itnim_iotov_cleanup(struct bfa_itnim_s *itnim) | |
1256 | { | |
1257 | struct bfa_ioim_s *ioim; | |
1258 | ||
5fbe25c7 | 1259 | /* |
a36c61f9 KG |
1260 | * Fail all inflight IO requests in the queue |
1261 | */ | |
1262 | bfa_itnim_delayed_comp(itnim, BFA_TRUE); | |
1263 | ||
5fbe25c7 | 1264 | /* |
a36c61f9 KG |
1265 | * Fail any pending IO requests. |
1266 | */ | |
1267 | while (!list_empty(&itnim->pending_q)) { | |
1268 | bfa_q_deq(&itnim->pending_q, &ioim); | |
1269 | list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); | |
1270 | bfa_ioim_tov(ioim); | |
1271 | } | |
1272 | } | |
1273 | ||
5fbe25c7 | 1274 | /* |
a36c61f9 KG |
1275 | * IO TOV timer callback. Fail any pending IO requests. |
1276 | */ | |
1277 | static void | |
1278 | bfa_itnim_iotov(void *itnim_arg) | |
1279 | { | |
1280 | struct bfa_itnim_s *itnim = itnim_arg; | |
1281 | ||
1282 | itnim->iotov_active = BFA_FALSE; | |
1283 | ||
1284 | bfa_cb_itnim_tov_begin(itnim->ditn); | |
1285 | bfa_itnim_iotov_cleanup(itnim); | |
1286 | bfa_cb_itnim_tov(itnim->ditn); | |
1287 | } | |
1288 | ||
5fbe25c7 | 1289 | /* |
a36c61f9 KG |
1290 | * Start IO TOV timer for failing back pending IO requests in offline state. |
1291 | */ | |
1292 | static void | |
1293 | bfa_itnim_iotov_start(struct bfa_itnim_s *itnim) | |
1294 | { | |
1295 | if (itnim->fcpim->path_tov > 0) { | |
1296 | ||
1297 | itnim->iotov_active = BFA_TRUE; | |
d4b671c5 | 1298 | WARN_ON(!bfa_itnim_hold_io(itnim)); |
a36c61f9 KG |
1299 | bfa_timer_start(itnim->bfa, &itnim->timer, |
1300 | bfa_itnim_iotov, itnim, itnim->fcpim->path_tov); | |
1301 | } | |
1302 | } | |
1303 | ||
5fbe25c7 | 1304 | /* |
a36c61f9 KG |
1305 | * Stop IO TOV timer. |
1306 | */ | |
1307 | static void | |
1308 | bfa_itnim_iotov_stop(struct bfa_itnim_s *itnim) | |
1309 | { | |
1310 | if (itnim->iotov_active) { | |
1311 | itnim->iotov_active = BFA_FALSE; | |
1312 | bfa_timer_stop(&itnim->timer); | |
1313 | } | |
1314 | } | |
1315 | ||
5fbe25c7 | 1316 | /* |
a36c61f9 KG |
1317 | * Stop IO TOV timer. |
1318 | */ | |
1319 | static void | |
1320 | bfa_itnim_iotov_delete(struct bfa_itnim_s *itnim) | |
1321 | { | |
1322 | bfa_boolean_t pathtov_active = BFA_FALSE; | |
1323 | ||
1324 | if (itnim->iotov_active) | |
1325 | pathtov_active = BFA_TRUE; | |
1326 | ||
1327 | bfa_itnim_iotov_stop(itnim); | |
1328 | if (pathtov_active) | |
1329 | bfa_cb_itnim_tov_begin(itnim->ditn); | |
1330 | bfa_itnim_iotov_cleanup(itnim); | |
1331 | if (pathtov_active) | |
1332 | bfa_cb_itnim_tov(itnim->ditn); | |
1333 | } | |
1334 | ||
1335 | static void | |
1336 | bfa_itnim_update_del_itn_stats(struct bfa_itnim_s *itnim) | |
1337 | { | |
e2187d7f | 1338 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(itnim->bfa); |
a36c61f9 KG |
1339 | fcpim->del_itn_stats.del_itn_iocomp_aborted += |
1340 | itnim->stats.iocomp_aborted; | |
1341 | fcpim->del_itn_stats.del_itn_iocomp_timedout += | |
1342 | itnim->stats.iocomp_timedout; | |
1343 | fcpim->del_itn_stats.del_itn_iocom_sqer_needed += | |
1344 | itnim->stats.iocom_sqer_needed; | |
1345 | fcpim->del_itn_stats.del_itn_iocom_res_free += | |
1346 | itnim->stats.iocom_res_free; | |
1347 | fcpim->del_itn_stats.del_itn_iocom_hostabrts += | |
1348 | itnim->stats.iocom_hostabrts; | |
1349 | fcpim->del_itn_stats.del_itn_total_ios += itnim->stats.total_ios; | |
1350 | fcpim->del_itn_stats.del_io_iocdowns += itnim->stats.io_iocdowns; | |
1351 | fcpim->del_itn_stats.del_tm_iocdowns += itnim->stats.tm_iocdowns; | |
1352 | } | |
1353 | ||
5fbe25c7 | 1354 | /* |
da99dcc9 | 1355 | * bfa_itnim_public |
a36c61f9 KG |
1356 | */ |
1357 | ||
5fbe25c7 | 1358 | /* |
da99dcc9 | 1359 | * Itnim interrupt processing. |
a36c61f9 KG |
1360 | */ |
1361 | void | |
1362 | bfa_itnim_isr(struct bfa_s *bfa, struct bfi_msg_s *m) | |
1363 | { | |
e2187d7f | 1364 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
dd5aaf45 | 1365 | union bfi_itn_i2h_msg_u msg; |
a36c61f9 KG |
1366 | struct bfa_itnim_s *itnim; |
1367 | ||
1368 | bfa_trc(bfa, m->mhdr.msg_id); | |
1369 | ||
1370 | msg.msg = m; | |
1371 | ||
1372 | switch (m->mhdr.msg_id) { | |
dd5aaf45 | 1373 | case BFI_ITN_I2H_CREATE_RSP: |
a36c61f9 KG |
1374 | itnim = BFA_ITNIM_FROM_TAG(fcpim, |
1375 | msg.create_rsp->bfa_handle); | |
d4b671c5 | 1376 | WARN_ON(msg.create_rsp->status != BFA_STATUS_OK); |
a36c61f9 KG |
1377 | bfa_stats(itnim, create_comps); |
1378 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_FWRSP); | |
1379 | break; | |
1380 | ||
dd5aaf45 | 1381 | case BFI_ITN_I2H_DELETE_RSP: |
a36c61f9 KG |
1382 | itnim = BFA_ITNIM_FROM_TAG(fcpim, |
1383 | msg.delete_rsp->bfa_handle); | |
d4b671c5 | 1384 | WARN_ON(msg.delete_rsp->status != BFA_STATUS_OK); |
a36c61f9 KG |
1385 | bfa_stats(itnim, delete_comps); |
1386 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_FWRSP); | |
1387 | break; | |
1388 | ||
dd5aaf45 | 1389 | case BFI_ITN_I2H_SLER_EVENT: |
a36c61f9 KG |
1390 | itnim = BFA_ITNIM_FROM_TAG(fcpim, |
1391 | msg.sler_event->bfa_handle); | |
1392 | bfa_stats(itnim, sler_events); | |
1393 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_SLER); | |
1394 | break; | |
1395 | ||
1396 | default: | |
1397 | bfa_trc(bfa, m->mhdr.msg_id); | |
d4b671c5 | 1398 | WARN_ON(1); |
a36c61f9 KG |
1399 | } |
1400 | } | |
1401 | ||
5fbe25c7 | 1402 | /* |
da99dcc9 | 1403 | * bfa_itnim_api |
a36c61f9 KG |
1404 | */ |
1405 | ||
1406 | struct bfa_itnim_s * | |
1407 | bfa_itnim_create(struct bfa_s *bfa, struct bfa_rport_s *rport, void *ditn) | |
1408 | { | |
e2187d7f | 1409 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
a36c61f9 KG |
1410 | struct bfa_itnim_s *itnim; |
1411 | ||
e2187d7f KG |
1412 | bfa_itn_create(bfa, rport, bfa_itnim_isr); |
1413 | ||
a36c61f9 | 1414 | itnim = BFA_ITNIM_FROM_TAG(fcpim, rport->rport_tag); |
d4b671c5 | 1415 | WARN_ON(itnim->rport != rport); |
a36c61f9 KG |
1416 | |
1417 | itnim->ditn = ditn; | |
1418 | ||
1419 | bfa_stats(itnim, creates); | |
1420 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_CREATE); | |
1421 | ||
1422 | return itnim; | |
1423 | } | |
1424 | ||
1425 | void | |
1426 | bfa_itnim_delete(struct bfa_itnim_s *itnim) | |
1427 | { | |
1428 | bfa_stats(itnim, deletes); | |
1429 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_DELETE); | |
1430 | } | |
1431 | ||
1432 | void | |
1433 | bfa_itnim_online(struct bfa_itnim_s *itnim, bfa_boolean_t seq_rec) | |
1434 | { | |
1435 | itnim->seq_rec = seq_rec; | |
1436 | bfa_stats(itnim, onlines); | |
1437 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_ONLINE); | |
1438 | } | |
1439 | ||
1440 | void | |
1441 | bfa_itnim_offline(struct bfa_itnim_s *itnim) | |
1442 | { | |
1443 | bfa_stats(itnim, offlines); | |
1444 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_OFFLINE); | |
1445 | } | |
1446 | ||
5fbe25c7 | 1447 | /* |
a36c61f9 KG |
1448 | * Return true if itnim is considered offline for holding off IO request. |
1449 | * IO is not held if itnim is being deleted. | |
1450 | */ | |
1451 | bfa_boolean_t | |
1452 | bfa_itnim_hold_io(struct bfa_itnim_s *itnim) | |
1453 | { | |
1454 | return itnim->fcpim->path_tov && itnim->iotov_active && | |
1455 | (bfa_sm_cmp_state(itnim, bfa_itnim_sm_fwcreate) || | |
1456 | bfa_sm_cmp_state(itnim, bfa_itnim_sm_sler) || | |
1457 | bfa_sm_cmp_state(itnim, bfa_itnim_sm_cleanup_offline) || | |
1458 | bfa_sm_cmp_state(itnim, bfa_itnim_sm_fwdelete) || | |
1459 | bfa_sm_cmp_state(itnim, bfa_itnim_sm_offline) || | |
1460 | bfa_sm_cmp_state(itnim, bfa_itnim_sm_iocdisable)); | |
1461 | } | |
1462 | ||
42a8e6e2 KG |
1463 | #define bfa_io_lat_clock_res_div HZ |
1464 | #define bfa_io_lat_clock_res_mul 1000 | |
1465 | bfa_status_t | |
1466 | bfa_itnim_get_ioprofile(struct bfa_itnim_s *itnim, | |
1467 | struct bfa_itnim_ioprofile_s *ioprofile) | |
1468 | { | |
1469 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(itnim->bfa); | |
1470 | if (!fcpim->io_profile) | |
1471 | return BFA_STATUS_IOPROFILE_OFF; | |
1472 | ||
1473 | itnim->ioprofile.index = BFA_IOBUCKET_MAX; | |
1474 | itnim->ioprofile.io_profile_start_time = | |
1475 | bfa_io_profile_start_time(itnim->bfa); | |
1476 | itnim->ioprofile.clock_res_mul = bfa_io_lat_clock_res_mul; | |
1477 | itnim->ioprofile.clock_res_div = bfa_io_lat_clock_res_div; | |
1478 | *ioprofile = itnim->ioprofile; | |
1479 | ||
1480 | return BFA_STATUS_OK; | |
1481 | } | |
1482 | ||
a36c61f9 KG |
1483 | void |
1484 | bfa_itnim_clear_stats(struct bfa_itnim_s *itnim) | |
1485 | { | |
1486 | int j; | |
6a18b167 JH |
1487 | memset(&itnim->stats, 0, sizeof(itnim->stats)); |
1488 | memset(&itnim->ioprofile, 0, sizeof(itnim->ioprofile)); | |
a36c61f9 KG |
1489 | for (j = 0; j < BFA_IOBUCKET_MAX; j++) |
1490 | itnim->ioprofile.io_latency.min[j] = ~0; | |
1491 | } | |
1492 | ||
5fbe25c7 | 1493 | /* |
a36c61f9 KG |
1494 | * BFA IO module state machine functions |
1495 | */ | |
1496 | ||
5fbe25c7 | 1497 | /* |
da99dcc9 | 1498 | * IO is not started (unallocated). |
a36c61f9 KG |
1499 | */ |
1500 | static void | |
1501 | bfa_ioim_sm_uninit(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1502 | { | |
a36c61f9 KG |
1503 | switch (event) { |
1504 | case BFA_IOIM_SM_START: | |
1505 | if (!bfa_itnim_is_online(ioim->itnim)) { | |
1506 | if (!bfa_itnim_hold_io(ioim->itnim)) { | |
1507 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1508 | list_del(&ioim->qe); | |
1509 | list_add_tail(&ioim->qe, | |
1510 | &ioim->fcpim->ioim_comp_q); | |
1511 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, | |
1512 | __bfa_cb_ioim_pathtov, ioim); | |
1513 | } else { | |
1514 | list_del(&ioim->qe); | |
1515 | list_add_tail(&ioim->qe, | |
1516 | &ioim->itnim->pending_q); | |
1517 | } | |
1518 | break; | |
1519 | } | |
1520 | ||
1521 | if (ioim->nsges > BFI_SGE_INLINE) { | |
e3e7d3ee | 1522 | if (!bfa_ioim_sgpg_alloc(ioim)) { |
a36c61f9 KG |
1523 | bfa_sm_set_state(ioim, bfa_ioim_sm_sgalloc); |
1524 | return; | |
1525 | } | |
1526 | } | |
1527 | ||
1528 | if (!bfa_ioim_send_ioreq(ioim)) { | |
1529 | bfa_sm_set_state(ioim, bfa_ioim_sm_qfull); | |
1530 | break; | |
1531 | } | |
1532 | ||
1533 | bfa_sm_set_state(ioim, bfa_ioim_sm_active); | |
1534 | break; | |
1535 | ||
1536 | case BFA_IOIM_SM_IOTOV: | |
1537 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1538 | bfa_ioim_move_to_comp_q(ioim); | |
1539 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, | |
1540 | __bfa_cb_ioim_pathtov, ioim); | |
1541 | break; | |
1542 | ||
1543 | case BFA_IOIM_SM_ABORT: | |
5fbe25c7 | 1544 | /* |
a36c61f9 KG |
1545 | * IO in pending queue can get abort requests. Complete abort |
1546 | * requests immediately. | |
1547 | */ | |
1548 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
d4b671c5 | 1549 | WARN_ON(!bfa_q_is_on_q(&ioim->itnim->pending_q, ioim)); |
a36c61f9 | 1550 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, |
83763d59 KG |
1551 | __bfa_cb_ioim_abort, ioim); |
1552 | break; | |
1553 | ||
a36c61f9 KG |
1554 | default: |
1555 | bfa_sm_fault(ioim->bfa, event); | |
1556 | } | |
1557 | } | |
1558 | ||
5fbe25c7 | 1559 | /* |
da99dcc9 | 1560 | * IO is waiting for SG pages. |
a36c61f9 KG |
1561 | */ |
1562 | static void | |
1563 | bfa_ioim_sm_sgalloc(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1564 | { | |
1565 | bfa_trc(ioim->bfa, ioim->iotag); | |
1566 | bfa_trc(ioim->bfa, event); | |
1567 | ||
1568 | switch (event) { | |
1569 | case BFA_IOIM_SM_SGALLOCED: | |
1570 | if (!bfa_ioim_send_ioreq(ioim)) { | |
1571 | bfa_sm_set_state(ioim, bfa_ioim_sm_qfull); | |
1572 | break; | |
1573 | } | |
1574 | bfa_sm_set_state(ioim, bfa_ioim_sm_active); | |
1575 | break; | |
1576 | ||
1577 | case BFA_IOIM_SM_CLEANUP: | |
1578 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1579 | bfa_sgpg_wcancel(ioim->bfa, &ioim->iosp->sgpg_wqe); | |
1580 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1581 | ioim); | |
1582 | bfa_ioim_notify_cleanup(ioim); | |
1583 | break; | |
1584 | ||
1585 | case BFA_IOIM_SM_ABORT: | |
1586 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1587 | bfa_sgpg_wcancel(ioim->bfa, &ioim->iosp->sgpg_wqe); | |
1588 | bfa_ioim_move_to_comp_q(ioim); | |
1589 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1590 | ioim); | |
1591 | break; | |
1592 | ||
1593 | case BFA_IOIM_SM_HWFAIL: | |
1594 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1595 | bfa_sgpg_wcancel(ioim->bfa, &ioim->iosp->sgpg_wqe); | |
1596 | bfa_ioim_move_to_comp_q(ioim); | |
1597 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1598 | ioim); | |
1599 | break; | |
1600 | ||
1601 | default: | |
1602 | bfa_sm_fault(ioim->bfa, event); | |
1603 | } | |
1604 | } | |
1605 | ||
5fbe25c7 | 1606 | /* |
da99dcc9 | 1607 | * IO is active. |
a36c61f9 KG |
1608 | */ |
1609 | static void | |
1610 | bfa_ioim_sm_active(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1611 | { | |
a36c61f9 KG |
1612 | switch (event) { |
1613 | case BFA_IOIM_SM_COMP_GOOD: | |
1614 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1615 | bfa_ioim_move_to_comp_q(ioim); | |
1616 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, | |
1617 | __bfa_cb_ioim_good_comp, ioim); | |
1618 | break; | |
1619 | ||
1620 | case BFA_IOIM_SM_COMP: | |
1621 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1622 | bfa_ioim_move_to_comp_q(ioim); | |
1623 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_comp, | |
1624 | ioim); | |
1625 | break; | |
1626 | ||
1627 | case BFA_IOIM_SM_DONE: | |
1628 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
1629 | bfa_ioim_move_to_comp_q(ioim); | |
1630 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_comp, | |
1631 | ioim); | |
1632 | break; | |
1633 | ||
1634 | case BFA_IOIM_SM_ABORT: | |
1635 | ioim->iosp->abort_explicit = BFA_TRUE; | |
1636 | ioim->io_cbfn = __bfa_cb_ioim_abort; | |
1637 | ||
1638 | if (bfa_ioim_send_abort(ioim)) | |
1639 | bfa_sm_set_state(ioim, bfa_ioim_sm_abort); | |
1640 | else { | |
1641 | bfa_sm_set_state(ioim, bfa_ioim_sm_abort_qfull); | |
1642 | bfa_stats(ioim->itnim, qwait); | |
1643 | bfa_reqq_wait(ioim->bfa, ioim->reqq, | |
1644 | &ioim->iosp->reqq_wait); | |
1645 | } | |
1646 | break; | |
1647 | ||
1648 | case BFA_IOIM_SM_CLEANUP: | |
1649 | ioim->iosp->abort_explicit = BFA_FALSE; | |
1650 | ioim->io_cbfn = __bfa_cb_ioim_failed; | |
1651 | ||
1652 | if (bfa_ioim_send_abort(ioim)) | |
1653 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); | |
1654 | else { | |
1655 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); | |
1656 | bfa_stats(ioim->itnim, qwait); | |
1657 | bfa_reqq_wait(ioim->bfa, ioim->reqq, | |
1658 | &ioim->iosp->reqq_wait); | |
1659 | } | |
1660 | break; | |
1661 | ||
1662 | case BFA_IOIM_SM_HWFAIL: | |
1663 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1664 | bfa_ioim_move_to_comp_q(ioim); | |
1665 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1666 | ioim); | |
1667 | break; | |
1668 | ||
1669 | case BFA_IOIM_SM_SQRETRY: | |
15821f05 KG |
1670 | if (bfa_ioim_maxretry_reached(ioim)) { |
1671 | /* max retry reached, free IO */ | |
a36c61f9 KG |
1672 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); |
1673 | bfa_ioim_move_to_comp_q(ioim); | |
1674 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, | |
1675 | __bfa_cb_ioim_failed, ioim); | |
1676 | break; | |
1677 | } | |
1678 | /* waiting for IO tag resource free */ | |
1679 | bfa_sm_set_state(ioim, bfa_ioim_sm_cmnd_retry); | |
1680 | break; | |
1681 | ||
1682 | default: | |
1683 | bfa_sm_fault(ioim->bfa, event); | |
1684 | } | |
1685 | } | |
1686 | ||
5fbe25c7 | 1687 | /* |
da99dcc9 MZ |
1688 | * IO is retried with new tag. |
1689 | */ | |
a36c61f9 KG |
1690 | static void |
1691 | bfa_ioim_sm_cmnd_retry(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1692 | { | |
a36c61f9 KG |
1693 | switch (event) { |
1694 | case BFA_IOIM_SM_FREE: | |
1695 | /* abts and rrq done. Now retry the IO with new tag */ | |
15821f05 | 1696 | bfa_ioim_update_iotag(ioim); |
a36c61f9 KG |
1697 | if (!bfa_ioim_send_ioreq(ioim)) { |
1698 | bfa_sm_set_state(ioim, bfa_ioim_sm_qfull); | |
1699 | break; | |
1700 | } | |
1701 | bfa_sm_set_state(ioim, bfa_ioim_sm_active); | |
1702 | break; | |
1703 | ||
1704 | case BFA_IOIM_SM_CLEANUP: | |
1705 | ioim->iosp->abort_explicit = BFA_FALSE; | |
1706 | ioim->io_cbfn = __bfa_cb_ioim_failed; | |
1707 | ||
1708 | if (bfa_ioim_send_abort(ioim)) | |
1709 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); | |
1710 | else { | |
1711 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); | |
1712 | bfa_stats(ioim->itnim, qwait); | |
1713 | bfa_reqq_wait(ioim->bfa, ioim->reqq, | |
1714 | &ioim->iosp->reqq_wait); | |
1715 | } | |
1716 | break; | |
1717 | ||
1718 | case BFA_IOIM_SM_HWFAIL: | |
1719 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1720 | bfa_ioim_move_to_comp_q(ioim); | |
1721 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, | |
1722 | __bfa_cb_ioim_failed, ioim); | |
1723 | break; | |
1724 | ||
1725 | case BFA_IOIM_SM_ABORT: | |
5fbe25c7 | 1726 | /* in this state IO abort is done. |
a36c61f9 KG |
1727 | * Waiting for IO tag resource free. |
1728 | */ | |
1729 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
1730 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1731 | ioim); | |
1732 | break; | |
1733 | ||
1734 | default: | |
1735 | bfa_sm_fault(ioim->bfa, event); | |
1736 | } | |
1737 | } | |
1738 | ||
5fbe25c7 | 1739 | /* |
da99dcc9 | 1740 | * IO is being aborted, waiting for completion from firmware. |
a36c61f9 KG |
1741 | */ |
1742 | static void | |
1743 | bfa_ioim_sm_abort(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1744 | { | |
1745 | bfa_trc(ioim->bfa, ioim->iotag); | |
1746 | bfa_trc(ioim->bfa, event); | |
1747 | ||
1748 | switch (event) { | |
1749 | case BFA_IOIM_SM_COMP_GOOD: | |
1750 | case BFA_IOIM_SM_COMP: | |
1751 | case BFA_IOIM_SM_DONE: | |
1752 | case BFA_IOIM_SM_FREE: | |
1753 | break; | |
1754 | ||
1755 | case BFA_IOIM_SM_ABORT_DONE: | |
1756 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
1757 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1758 | ioim); | |
1759 | break; | |
1760 | ||
1761 | case BFA_IOIM_SM_ABORT_COMP: | |
1762 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1763 | bfa_ioim_move_to_comp_q(ioim); | |
1764 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1765 | ioim); | |
1766 | break; | |
1767 | ||
1768 | case BFA_IOIM_SM_COMP_UTAG: | |
1769 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1770 | bfa_ioim_move_to_comp_q(ioim); | |
1771 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1772 | ioim); | |
1773 | break; | |
1774 | ||
1775 | case BFA_IOIM_SM_CLEANUP: | |
d4b671c5 | 1776 | WARN_ON(ioim->iosp->abort_explicit != BFA_TRUE); |
a36c61f9 KG |
1777 | ioim->iosp->abort_explicit = BFA_FALSE; |
1778 | ||
1779 | if (bfa_ioim_send_abort(ioim)) | |
1780 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); | |
1781 | else { | |
1782 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); | |
1783 | bfa_stats(ioim->itnim, qwait); | |
1784 | bfa_reqq_wait(ioim->bfa, ioim->reqq, | |
1785 | &ioim->iosp->reqq_wait); | |
1786 | } | |
1787 | break; | |
1788 | ||
1789 | case BFA_IOIM_SM_HWFAIL: | |
1790 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1791 | bfa_ioim_move_to_comp_q(ioim); | |
1792 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1793 | ioim); | |
1794 | break; | |
1795 | ||
1796 | default: | |
1797 | bfa_sm_fault(ioim->bfa, event); | |
1798 | } | |
1799 | } | |
1800 | ||
5fbe25c7 | 1801 | /* |
a36c61f9 KG |
1802 | * IO is being cleaned up (implicit abort), waiting for completion from |
1803 | * firmware. | |
1804 | */ | |
1805 | static void | |
1806 | bfa_ioim_sm_cleanup(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1807 | { | |
1808 | bfa_trc(ioim->bfa, ioim->iotag); | |
1809 | bfa_trc(ioim->bfa, event); | |
1810 | ||
1811 | switch (event) { | |
1812 | case BFA_IOIM_SM_COMP_GOOD: | |
1813 | case BFA_IOIM_SM_COMP: | |
1814 | case BFA_IOIM_SM_DONE: | |
1815 | case BFA_IOIM_SM_FREE: | |
1816 | break; | |
1817 | ||
1818 | case BFA_IOIM_SM_ABORT: | |
5fbe25c7 | 1819 | /* |
a36c61f9 KG |
1820 | * IO is already being aborted implicitly |
1821 | */ | |
1822 | ioim->io_cbfn = __bfa_cb_ioim_abort; | |
1823 | break; | |
1824 | ||
1825 | case BFA_IOIM_SM_ABORT_DONE: | |
1826 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
1827 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
1828 | bfa_ioim_notify_cleanup(ioim); | |
1829 | break; | |
1830 | ||
1831 | case BFA_IOIM_SM_ABORT_COMP: | |
1832 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1833 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
1834 | bfa_ioim_notify_cleanup(ioim); | |
1835 | break; | |
1836 | ||
1837 | case BFA_IOIM_SM_COMP_UTAG: | |
1838 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1839 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
1840 | bfa_ioim_notify_cleanup(ioim); | |
1841 | break; | |
1842 | ||
1843 | case BFA_IOIM_SM_HWFAIL: | |
1844 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1845 | bfa_ioim_move_to_comp_q(ioim); | |
1846 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1847 | ioim); | |
1848 | break; | |
1849 | ||
1850 | case BFA_IOIM_SM_CLEANUP: | |
5fbe25c7 | 1851 | /* |
a36c61f9 KG |
1852 | * IO can be in cleanup state already due to TM command. |
1853 | * 2nd cleanup request comes from ITN offline event. | |
1854 | */ | |
1855 | break; | |
1856 | ||
1857 | default: | |
1858 | bfa_sm_fault(ioim->bfa, event); | |
1859 | } | |
1860 | } | |
1861 | ||
5fbe25c7 | 1862 | /* |
da99dcc9 | 1863 | * IO is waiting for room in request CQ |
a36c61f9 KG |
1864 | */ |
1865 | static void | |
1866 | bfa_ioim_sm_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1867 | { | |
1868 | bfa_trc(ioim->bfa, ioim->iotag); | |
1869 | bfa_trc(ioim->bfa, event); | |
1870 | ||
1871 | switch (event) { | |
1872 | case BFA_IOIM_SM_QRESUME: | |
1873 | bfa_sm_set_state(ioim, bfa_ioim_sm_active); | |
1874 | bfa_ioim_send_ioreq(ioim); | |
1875 | break; | |
1876 | ||
1877 | case BFA_IOIM_SM_ABORT: | |
1878 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1879 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1880 | bfa_ioim_move_to_comp_q(ioim); | |
1881 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1882 | ioim); | |
1883 | break; | |
1884 | ||
1885 | case BFA_IOIM_SM_CLEANUP: | |
1886 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1887 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1888 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1889 | ioim); | |
1890 | bfa_ioim_notify_cleanup(ioim); | |
1891 | break; | |
1892 | ||
1893 | case BFA_IOIM_SM_HWFAIL: | |
1894 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1895 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1896 | bfa_ioim_move_to_comp_q(ioim); | |
1897 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1898 | ioim); | |
1899 | break; | |
1900 | ||
1901 | default: | |
1902 | bfa_sm_fault(ioim->bfa, event); | |
1903 | } | |
1904 | } | |
1905 | ||
5fbe25c7 | 1906 | /* |
da99dcc9 | 1907 | * Active IO is being aborted, waiting for room in request CQ. |
a36c61f9 KG |
1908 | */ |
1909 | static void | |
1910 | bfa_ioim_sm_abort_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1911 | { | |
1912 | bfa_trc(ioim->bfa, ioim->iotag); | |
1913 | bfa_trc(ioim->bfa, event); | |
1914 | ||
1915 | switch (event) { | |
1916 | case BFA_IOIM_SM_QRESUME: | |
1917 | bfa_sm_set_state(ioim, bfa_ioim_sm_abort); | |
1918 | bfa_ioim_send_abort(ioim); | |
1919 | break; | |
1920 | ||
1921 | case BFA_IOIM_SM_CLEANUP: | |
d4b671c5 | 1922 | WARN_ON(ioim->iosp->abort_explicit != BFA_TRUE); |
a36c61f9 KG |
1923 | ioim->iosp->abort_explicit = BFA_FALSE; |
1924 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); | |
1925 | break; | |
1926 | ||
1927 | case BFA_IOIM_SM_COMP_GOOD: | |
1928 | case BFA_IOIM_SM_COMP: | |
1929 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1930 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1931 | bfa_ioim_move_to_comp_q(ioim); | |
1932 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1933 | ioim); | |
1934 | break; | |
1935 | ||
1936 | case BFA_IOIM_SM_DONE: | |
1937 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
1938 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1939 | bfa_ioim_move_to_comp_q(ioim); | |
1940 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1941 | ioim); | |
1942 | break; | |
1943 | ||
1944 | case BFA_IOIM_SM_HWFAIL: | |
1945 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1946 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1947 | bfa_ioim_move_to_comp_q(ioim); | |
1948 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1949 | ioim); | |
1950 | break; | |
1951 | ||
1952 | default: | |
1953 | bfa_sm_fault(ioim->bfa, event); | |
1954 | } | |
1955 | } | |
1956 | ||
5fbe25c7 | 1957 | /* |
da99dcc9 | 1958 | * Active IO is being cleaned up, waiting for room in request CQ. |
a36c61f9 KG |
1959 | */ |
1960 | static void | |
1961 | bfa_ioim_sm_cleanup_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1962 | { | |
1963 | bfa_trc(ioim->bfa, ioim->iotag); | |
1964 | bfa_trc(ioim->bfa, event); | |
1965 | ||
1966 | switch (event) { | |
1967 | case BFA_IOIM_SM_QRESUME: | |
1968 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); | |
1969 | bfa_ioim_send_abort(ioim); | |
1970 | break; | |
1971 | ||
1972 | case BFA_IOIM_SM_ABORT: | |
5fbe25c7 | 1973 | /* |
b595076a | 1974 | * IO is already being cleaned up implicitly |
a36c61f9 KG |
1975 | */ |
1976 | ioim->io_cbfn = __bfa_cb_ioim_abort; | |
1977 | break; | |
1978 | ||
1979 | case BFA_IOIM_SM_COMP_GOOD: | |
1980 | case BFA_IOIM_SM_COMP: | |
1981 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1982 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1983 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
1984 | bfa_ioim_notify_cleanup(ioim); | |
1985 | break; | |
1986 | ||
1987 | case BFA_IOIM_SM_DONE: | |
1988 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
1989 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1990 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
1991 | bfa_ioim_notify_cleanup(ioim); | |
1992 | break; | |
1993 | ||
1994 | case BFA_IOIM_SM_HWFAIL: | |
1995 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1996 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1997 | bfa_ioim_move_to_comp_q(ioim); | |
1998 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1999 | ioim); | |
2000 | break; | |
2001 | ||
2002 | default: | |
2003 | bfa_sm_fault(ioim->bfa, event); | |
2004 | } | |
2005 | } | |
2006 | ||
5fbe25c7 | 2007 | /* |
a36c61f9 KG |
2008 | * IO bfa callback is pending. |
2009 | */ | |
2010 | static void | |
2011 | bfa_ioim_sm_hcb(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
2012 | { | |
a36c61f9 KG |
2013 | switch (event) { |
2014 | case BFA_IOIM_SM_HCB: | |
2015 | bfa_sm_set_state(ioim, bfa_ioim_sm_uninit); | |
2016 | bfa_ioim_free(ioim); | |
2017 | break; | |
2018 | ||
2019 | case BFA_IOIM_SM_CLEANUP: | |
2020 | bfa_ioim_notify_cleanup(ioim); | |
2021 | break; | |
2022 | ||
2023 | case BFA_IOIM_SM_HWFAIL: | |
2024 | break; | |
2025 | ||
2026 | default: | |
2027 | bfa_sm_fault(ioim->bfa, event); | |
2028 | } | |
2029 | } | |
2030 | ||
5fbe25c7 | 2031 | /* |
a36c61f9 KG |
2032 | * IO bfa callback is pending. IO resource cannot be freed. |
2033 | */ | |
2034 | static void | |
2035 | bfa_ioim_sm_hcb_free(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
2036 | { | |
2037 | bfa_trc(ioim->bfa, ioim->iotag); | |
2038 | bfa_trc(ioim->bfa, event); | |
2039 | ||
2040 | switch (event) { | |
2041 | case BFA_IOIM_SM_HCB: | |
2042 | bfa_sm_set_state(ioim, bfa_ioim_sm_resfree); | |
2043 | list_del(&ioim->qe); | |
2044 | list_add_tail(&ioim->qe, &ioim->fcpim->ioim_resfree_q); | |
2045 | break; | |
2046 | ||
2047 | case BFA_IOIM_SM_FREE: | |
2048 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
2049 | break; | |
2050 | ||
2051 | case BFA_IOIM_SM_CLEANUP: | |
2052 | bfa_ioim_notify_cleanup(ioim); | |
2053 | break; | |
2054 | ||
2055 | case BFA_IOIM_SM_HWFAIL: | |
2056 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
2057 | break; | |
2058 | ||
2059 | default: | |
2060 | bfa_sm_fault(ioim->bfa, event); | |
2061 | } | |
2062 | } | |
2063 | ||
5fbe25c7 | 2064 | /* |
a36c61f9 KG |
2065 | * IO is completed, waiting resource free from firmware. |
2066 | */ | |
2067 | static void | |
2068 | bfa_ioim_sm_resfree(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
2069 | { | |
2070 | bfa_trc(ioim->bfa, ioim->iotag); | |
2071 | bfa_trc(ioim->bfa, event); | |
2072 | ||
2073 | switch (event) { | |
2074 | case BFA_IOIM_SM_FREE: | |
2075 | bfa_sm_set_state(ioim, bfa_ioim_sm_uninit); | |
2076 | bfa_ioim_free(ioim); | |
2077 | break; | |
2078 | ||
2079 | case BFA_IOIM_SM_CLEANUP: | |
2080 | bfa_ioim_notify_cleanup(ioim); | |
2081 | break; | |
2082 | ||
2083 | case BFA_IOIM_SM_HWFAIL: | |
2084 | break; | |
2085 | ||
2086 | default: | |
2087 | bfa_sm_fault(ioim->bfa, event); | |
2088 | } | |
2089 | } | |
2090 | ||
83763d59 KG |
2091 | /* |
2092 | * This is called from bfa_fcpim_start after the bfa_init() with flash read | |
2093 | * is complete by driver. now invalidate the stale content of lun mask | |
2094 | * like unit attention, rp tag and lp tag. | |
2095 | */ | |
2096 | static void | |
2097 | bfa_ioim_lm_init(struct bfa_s *bfa) | |
2098 | { | |
2099 | struct bfa_lun_mask_s *lunm_list; | |
2100 | int i; | |
2101 | ||
2102 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) | |
2103 | return; | |
2104 | ||
2105 | lunm_list = bfa_get_lun_mask_list(bfa); | |
2106 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2107 | lunm_list[i].ua = BFA_IOIM_LM_UA_RESET; | |
2108 | lunm_list[i].lp_tag = BFA_LP_TAG_INVALID; | |
2109 | lunm_list[i].rp_tag = BFA_RPORT_TAG_INVALID; | |
2110 | } | |
2111 | } | |
2112 | ||
a36c61f9 KG |
2113 | static void |
2114 | __bfa_cb_ioim_good_comp(void *cbarg, bfa_boolean_t complete) | |
2115 | { | |
2116 | struct bfa_ioim_s *ioim = cbarg; | |
2117 | ||
2118 | if (!complete) { | |
2119 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); | |
2120 | return; | |
2121 | } | |
2122 | ||
2123 | bfa_cb_ioim_good_comp(ioim->bfa->bfad, ioim->dio); | |
2124 | } | |
2125 | ||
2126 | static void | |
2127 | __bfa_cb_ioim_comp(void *cbarg, bfa_boolean_t complete) | |
2128 | { | |
2129 | struct bfa_ioim_s *ioim = cbarg; | |
2130 | struct bfi_ioim_rsp_s *m; | |
2131 | u8 *snsinfo = NULL; | |
2132 | u8 sns_len = 0; | |
2133 | s32 residue = 0; | |
2134 | ||
2135 | if (!complete) { | |
2136 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); | |
2137 | return; | |
2138 | } | |
2139 | ||
2140 | m = (struct bfi_ioim_rsp_s *) &ioim->iosp->comp_rspmsg; | |
2141 | if (m->io_status == BFI_IOIM_STS_OK) { | |
5fbe25c7 | 2142 | /* |
a36c61f9 KG |
2143 | * setup sense information, if present |
2144 | */ | |
2145 | if ((m->scsi_status == SCSI_STATUS_CHECK_CONDITION) && | |
2146 | m->sns_len) { | |
2147 | sns_len = m->sns_len; | |
e2187d7f KG |
2148 | snsinfo = BFA_SNSINFO_FROM_TAG(ioim->fcpim->fcp, |
2149 | ioim->iotag); | |
a36c61f9 KG |
2150 | } |
2151 | ||
5fbe25c7 | 2152 | /* |
a36c61f9 KG |
2153 | * setup residue value correctly for normal completions |
2154 | */ | |
2155 | if (m->resid_flags == FCP_RESID_UNDER) { | |
ba816ea8 | 2156 | residue = be32_to_cpu(m->residue); |
a36c61f9 KG |
2157 | bfa_stats(ioim->itnim, iocomp_underrun); |
2158 | } | |
2159 | if (m->resid_flags == FCP_RESID_OVER) { | |
ba816ea8 | 2160 | residue = be32_to_cpu(m->residue); |
a36c61f9 KG |
2161 | residue = -residue; |
2162 | bfa_stats(ioim->itnim, iocomp_overrun); | |
2163 | } | |
2164 | } | |
2165 | ||
2166 | bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, m->io_status, | |
2167 | m->scsi_status, sns_len, snsinfo, residue); | |
2168 | } | |
2169 | ||
83763d59 KG |
2170 | void |
2171 | bfa_fcpim_lunmask_rp_update(struct bfa_s *bfa, wwn_t lp_wwn, wwn_t rp_wwn, | |
2172 | u16 rp_tag, u8 lp_tag) | |
2173 | { | |
2174 | struct bfa_lun_mask_s *lun_list; | |
2175 | u8 i; | |
2176 | ||
2177 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) | |
2178 | return; | |
2179 | ||
2180 | lun_list = bfa_get_lun_mask_list(bfa); | |
2181 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2182 | if (lun_list[i].state == BFA_IOIM_LUN_MASK_ACTIVE) { | |
2183 | if ((lun_list[i].lp_wwn == lp_wwn) && | |
2184 | (lun_list[i].rp_wwn == rp_wwn)) { | |
2185 | lun_list[i].rp_tag = rp_tag; | |
2186 | lun_list[i].lp_tag = lp_tag; | |
2187 | } | |
2188 | } | |
2189 | } | |
2190 | } | |
2191 | ||
4c5d22bf KG |
2192 | /* |
2193 | * set UA for all active luns in LM DB | |
2194 | */ | |
2195 | static void | |
2196 | bfa_ioim_lm_set_ua(struct bfa_s *bfa) | |
2197 | { | |
2198 | struct bfa_lun_mask_s *lunm_list; | |
2199 | int i; | |
2200 | ||
2201 | lunm_list = bfa_get_lun_mask_list(bfa); | |
2202 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2203 | if (lunm_list[i].state != BFA_IOIM_LUN_MASK_ACTIVE) | |
2204 | continue; | |
2205 | lunm_list[i].ua = BFA_IOIM_LM_UA_SET; | |
2206 | } | |
2207 | } | |
2208 | ||
2209 | bfa_status_t | |
2210 | bfa_fcpim_lunmask_update(struct bfa_s *bfa, u32 update) | |
2211 | { | |
2212 | struct bfa_lunmask_cfg_s *lun_mask; | |
2213 | ||
2214 | bfa_trc(bfa, bfa_get_lun_mask_status(bfa)); | |
2215 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) | |
2216 | return BFA_STATUS_FAILED; | |
2217 | ||
2218 | if (bfa_get_lun_mask_status(bfa) == update) | |
2219 | return BFA_STATUS_NO_CHANGE; | |
2220 | ||
2221 | lun_mask = bfa_get_lun_mask(bfa); | |
2222 | lun_mask->status = update; | |
2223 | ||
2224 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_ENABLED) | |
2225 | bfa_ioim_lm_set_ua(bfa); | |
2226 | ||
2227 | return bfa_dconf_update(bfa); | |
2228 | } | |
2229 | ||
2230 | bfa_status_t | |
2231 | bfa_fcpim_lunmask_clear(struct bfa_s *bfa) | |
2232 | { | |
2233 | int i; | |
2234 | struct bfa_lun_mask_s *lunm_list; | |
2235 | ||
2236 | bfa_trc(bfa, bfa_get_lun_mask_status(bfa)); | |
2237 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) | |
2238 | return BFA_STATUS_FAILED; | |
2239 | ||
2240 | lunm_list = bfa_get_lun_mask_list(bfa); | |
2241 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2242 | if (lunm_list[i].state == BFA_IOIM_LUN_MASK_ACTIVE) { | |
2243 | if (lunm_list[i].rp_tag != BFA_RPORT_TAG_INVALID) | |
2244 | bfa_rport_unset_lunmask(bfa, | |
2245 | BFA_RPORT_FROM_TAG(bfa, lunm_list[i].rp_tag)); | |
2246 | } | |
2247 | } | |
2248 | ||
2249 | memset(lunm_list, 0, sizeof(struct bfa_lun_mask_s) * MAX_LUN_MASK_CFG); | |
2250 | return bfa_dconf_update(bfa); | |
2251 | } | |
2252 | ||
2253 | bfa_status_t | |
2254 | bfa_fcpim_lunmask_query(struct bfa_s *bfa, void *buf) | |
2255 | { | |
2256 | struct bfa_lunmask_cfg_s *lun_mask; | |
2257 | ||
2258 | bfa_trc(bfa, bfa_get_lun_mask_status(bfa)); | |
2259 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) | |
2260 | return BFA_STATUS_FAILED; | |
2261 | ||
2262 | lun_mask = bfa_get_lun_mask(bfa); | |
2263 | memcpy(buf, lun_mask, sizeof(struct bfa_lunmask_cfg_s)); | |
2264 | return BFA_STATUS_OK; | |
2265 | } | |
2266 | ||
2267 | bfa_status_t | |
2268 | bfa_fcpim_lunmask_add(struct bfa_s *bfa, u16 vf_id, wwn_t *pwwn, | |
2269 | wwn_t rpwwn, struct scsi_lun lun) | |
2270 | { | |
2271 | struct bfa_lun_mask_s *lunm_list; | |
2272 | struct bfa_rport_s *rp = NULL; | |
2273 | int i, free_index = MAX_LUN_MASK_CFG + 1; | |
2274 | struct bfa_fcs_lport_s *port = NULL; | |
2275 | struct bfa_fcs_rport_s *rp_fcs; | |
2276 | ||
2277 | bfa_trc(bfa, bfa_get_lun_mask_status(bfa)); | |
2278 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) | |
2279 | return BFA_STATUS_FAILED; | |
2280 | ||
2281 | port = bfa_fcs_lookup_port(&((struct bfad_s *)bfa->bfad)->bfa_fcs, | |
2282 | vf_id, *pwwn); | |
2283 | if (port) { | |
2284 | *pwwn = port->port_cfg.pwwn; | |
2285 | rp_fcs = bfa_fcs_lport_get_rport_by_pwwn(port, rpwwn); | |
6bc6204e KG |
2286 | if (rp_fcs) |
2287 | rp = rp_fcs->bfa_rport; | |
4c5d22bf KG |
2288 | } |
2289 | ||
2290 | lunm_list = bfa_get_lun_mask_list(bfa); | |
2291 | /* if entry exists */ | |
2292 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2293 | if (lunm_list[i].state != BFA_IOIM_LUN_MASK_ACTIVE) | |
2294 | free_index = i; | |
2295 | if ((lunm_list[i].lp_wwn == *pwwn) && | |
2296 | (lunm_list[i].rp_wwn == rpwwn) && | |
2297 | (scsilun_to_int((struct scsi_lun *)&lunm_list[i].lun) == | |
2298 | scsilun_to_int((struct scsi_lun *)&lun))) | |
2299 | return BFA_STATUS_ENTRY_EXISTS; | |
2300 | } | |
2301 | ||
2302 | if (free_index > MAX_LUN_MASK_CFG) | |
2303 | return BFA_STATUS_MAX_ENTRY_REACHED; | |
2304 | ||
2305 | if (rp) { | |
2306 | lunm_list[free_index].lp_tag = bfa_lps_get_tag_from_pid(bfa, | |
2307 | rp->rport_info.local_pid); | |
2308 | lunm_list[free_index].rp_tag = rp->rport_tag; | |
2309 | } else { | |
2310 | lunm_list[free_index].lp_tag = BFA_LP_TAG_INVALID; | |
2311 | lunm_list[free_index].rp_tag = BFA_RPORT_TAG_INVALID; | |
2312 | } | |
2313 | ||
2314 | lunm_list[free_index].lp_wwn = *pwwn; | |
2315 | lunm_list[free_index].rp_wwn = rpwwn; | |
2316 | lunm_list[free_index].lun = lun; | |
2317 | lunm_list[free_index].state = BFA_IOIM_LUN_MASK_ACTIVE; | |
2318 | ||
2319 | /* set for all luns in this rp */ | |
2320 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2321 | if ((lunm_list[i].lp_wwn == *pwwn) && | |
2322 | (lunm_list[i].rp_wwn == rpwwn)) | |
2323 | lunm_list[i].ua = BFA_IOIM_LM_UA_SET; | |
2324 | } | |
2325 | ||
2326 | return bfa_dconf_update(bfa); | |
2327 | } | |
2328 | ||
2329 | bfa_status_t | |
2330 | bfa_fcpim_lunmask_delete(struct bfa_s *bfa, u16 vf_id, wwn_t *pwwn, | |
2331 | wwn_t rpwwn, struct scsi_lun lun) | |
2332 | { | |
2333 | struct bfa_lun_mask_s *lunm_list; | |
2334 | struct bfa_rport_s *rp = NULL; | |
2335 | struct bfa_fcs_lport_s *port = NULL; | |
2336 | struct bfa_fcs_rport_s *rp_fcs; | |
2337 | int i; | |
2338 | ||
2339 | /* in min cfg lunm_list could be NULL but no commands should run. */ | |
2340 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) | |
2341 | return BFA_STATUS_FAILED; | |
2342 | ||
2343 | bfa_trc(bfa, bfa_get_lun_mask_status(bfa)); | |
2344 | bfa_trc(bfa, *pwwn); | |
2345 | bfa_trc(bfa, rpwwn); | |
2346 | bfa_trc(bfa, scsilun_to_int((struct scsi_lun *)&lun)); | |
2347 | ||
2348 | if (*pwwn == 0) { | |
2349 | port = bfa_fcs_lookup_port( | |
2350 | &((struct bfad_s *)bfa->bfad)->bfa_fcs, | |
2351 | vf_id, *pwwn); | |
2352 | if (port) { | |
2353 | *pwwn = port->port_cfg.pwwn; | |
2354 | rp_fcs = bfa_fcs_lport_get_rport_by_pwwn(port, rpwwn); | |
6bc6204e KG |
2355 | if (rp_fcs) |
2356 | rp = rp_fcs->bfa_rport; | |
4c5d22bf KG |
2357 | } |
2358 | } | |
2359 | ||
2360 | lunm_list = bfa_get_lun_mask_list(bfa); | |
2361 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2362 | if ((lunm_list[i].lp_wwn == *pwwn) && | |
2363 | (lunm_list[i].rp_wwn == rpwwn) && | |
2364 | (scsilun_to_int((struct scsi_lun *)&lunm_list[i].lun) == | |
2365 | scsilun_to_int((struct scsi_lun *)&lun))) { | |
2366 | lunm_list[i].lp_wwn = 0; | |
2367 | lunm_list[i].rp_wwn = 0; | |
2368 | int_to_scsilun(0, &lunm_list[i].lun); | |
2369 | lunm_list[i].state = BFA_IOIM_LUN_MASK_INACTIVE; | |
2370 | if (lunm_list[i].rp_tag != BFA_RPORT_TAG_INVALID) { | |
2371 | lunm_list[i].rp_tag = BFA_RPORT_TAG_INVALID; | |
2372 | lunm_list[i].lp_tag = BFA_LP_TAG_INVALID; | |
2373 | } | |
2374 | return bfa_dconf_update(bfa); | |
2375 | } | |
2376 | } | |
2377 | ||
2378 | /* set for all luns in this rp */ | |
2379 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2380 | if ((lunm_list[i].lp_wwn == *pwwn) && | |
2381 | (lunm_list[i].rp_wwn == rpwwn)) | |
2382 | lunm_list[i].ua = BFA_IOIM_LM_UA_SET; | |
2383 | } | |
2384 | ||
2385 | return BFA_STATUS_ENTRY_NOT_EXISTS; | |
2386 | } | |
2387 | ||
a36c61f9 KG |
2388 | static void |
2389 | __bfa_cb_ioim_failed(void *cbarg, bfa_boolean_t complete) | |
2390 | { | |
2391 | struct bfa_ioim_s *ioim = cbarg; | |
2392 | ||
2393 | if (!complete) { | |
2394 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); | |
2395 | return; | |
2396 | } | |
2397 | ||
2398 | bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_ABORTED, | |
2399 | 0, 0, NULL, 0); | |
2400 | } | |
2401 | ||
2402 | static void | |
2403 | __bfa_cb_ioim_pathtov(void *cbarg, bfa_boolean_t complete) | |
2404 | { | |
2405 | struct bfa_ioim_s *ioim = cbarg; | |
2406 | ||
2407 | bfa_stats(ioim->itnim, path_tov_expired); | |
2408 | if (!complete) { | |
2409 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); | |
2410 | return; | |
2411 | } | |
2412 | ||
2413 | bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_PATHTOV, | |
2414 | 0, 0, NULL, 0); | |
2415 | } | |
2416 | ||
2417 | static void | |
2418 | __bfa_cb_ioim_abort(void *cbarg, bfa_boolean_t complete) | |
2419 | { | |
2420 | struct bfa_ioim_s *ioim = cbarg; | |
2421 | ||
2422 | if (!complete) { | |
2423 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); | |
2424 | return; | |
2425 | } | |
2426 | ||
2427 | bfa_cb_ioim_abort(ioim->bfa->bfad, ioim->dio); | |
2428 | } | |
2429 | ||
2430 | static void | |
2431 | bfa_ioim_sgpg_alloced(void *cbarg) | |
2432 | { | |
2433 | struct bfa_ioim_s *ioim = cbarg; | |
2434 | ||
2435 | ioim->nsgpgs = BFA_SGPG_NPAGE(ioim->nsges); | |
2436 | list_splice_tail_init(&ioim->iosp->sgpg_wqe.sgpg_q, &ioim->sgpg_q); | |
e3e7d3ee | 2437 | ioim->sgpg = bfa_q_first(&ioim->sgpg_q); |
a36c61f9 KG |
2438 | bfa_sm_send_event(ioim, BFA_IOIM_SM_SGALLOCED); |
2439 | } | |
2440 | ||
5fbe25c7 | 2441 | /* |
a36c61f9 KG |
2442 | * Send I/O request to firmware. |
2443 | */ | |
2444 | static bfa_boolean_t | |
2445 | bfa_ioim_send_ioreq(struct bfa_ioim_s *ioim) | |
2446 | { | |
2447 | struct bfa_itnim_s *itnim = ioim->itnim; | |
2448 | struct bfi_ioim_req_s *m; | |
da99dcc9 | 2449 | static struct fcp_cmnd_s cmnd_z0 = { { { 0 } } }; |
e3e7d3ee | 2450 | struct bfi_sge_s *sge, *sgpge; |
a36c61f9 KG |
2451 | u32 pgdlen = 0; |
2452 | u32 fcp_dl; | |
2453 | u64 addr; | |
2454 | struct scatterlist *sg; | |
e3e7d3ee | 2455 | struct bfa_sgpg_s *sgpg; |
a36c61f9 | 2456 | struct scsi_cmnd *cmnd = (struct scsi_cmnd *) ioim->dio; |
e3e7d3ee | 2457 | u32 i, sge_id, pgcumsz; |
f314878a | 2458 | enum dma_data_direction dmadir; |
a36c61f9 | 2459 | |
5fbe25c7 | 2460 | /* |
a36c61f9 KG |
2461 | * check for room in queue to send request now |
2462 | */ | |
2463 | m = bfa_reqq_next(ioim->bfa, ioim->reqq); | |
2464 | if (!m) { | |
2465 | bfa_stats(ioim->itnim, qwait); | |
2466 | bfa_reqq_wait(ioim->bfa, ioim->reqq, | |
2467 | &ioim->iosp->reqq_wait); | |
2468 | return BFA_FALSE; | |
2469 | } | |
2470 | ||
5fbe25c7 | 2471 | /* |
a36c61f9 KG |
2472 | * build i/o request message next |
2473 | */ | |
ba816ea8 | 2474 | m->io_tag = cpu_to_be16(ioim->iotag); |
a36c61f9 | 2475 | m->rport_hdl = ioim->itnim->rport->fw_handle; |
f314878a | 2476 | m->io_timeout = 0; |
a36c61f9 | 2477 | |
a36c61f9 | 2478 | sge = &m->sges[0]; |
e3e7d3ee MZ |
2479 | sgpg = ioim->sgpg; |
2480 | sge_id = 0; | |
2481 | sgpge = NULL; | |
2482 | pgcumsz = 0; | |
2483 | scsi_for_each_sg(cmnd, sg, ioim->nsges, i) { | |
2484 | if (i == 0) { | |
2485 | /* build inline IO SG element */ | |
f16a1750 | 2486 | addr = bfa_sgaddr_le(sg_dma_address(sg)); |
e3e7d3ee MZ |
2487 | sge->sga = *(union bfi_addr_u *) &addr; |
2488 | pgdlen = sg_dma_len(sg); | |
2489 | sge->sg_len = pgdlen; | |
2490 | sge->flags = (ioim->nsges > BFI_SGE_INLINE) ? | |
a36c61f9 | 2491 | BFI_SGE_DATA_CPL : BFI_SGE_DATA_LAST; |
e3e7d3ee MZ |
2492 | bfa_sge_to_be(sge); |
2493 | sge++; | |
2494 | } else { | |
2495 | if (sge_id == 0) | |
2496 | sgpge = sgpg->sgpg->sges; | |
2497 | ||
f16a1750 | 2498 | addr = bfa_sgaddr_le(sg_dma_address(sg)); |
e3e7d3ee MZ |
2499 | sgpge->sga = *(union bfi_addr_u *) &addr; |
2500 | sgpge->sg_len = sg_dma_len(sg); | |
2501 | pgcumsz += sgpge->sg_len; | |
2502 | ||
2503 | /* set flags */ | |
2504 | if (i < (ioim->nsges - 1) && | |
2505 | sge_id < (BFI_SGPG_DATA_SGES - 1)) | |
2506 | sgpge->flags = BFI_SGE_DATA; | |
2507 | else if (i < (ioim->nsges - 1)) | |
2508 | sgpge->flags = BFI_SGE_DATA_CPL; | |
2509 | else | |
2510 | sgpge->flags = BFI_SGE_DATA_LAST; | |
2511 | ||
2512 | bfa_sge_to_le(sgpge); | |
2513 | ||
2514 | sgpge++; | |
2515 | if (i == (ioim->nsges - 1)) { | |
2516 | sgpge->flags = BFI_SGE_PGDLEN; | |
2517 | sgpge->sga.a32.addr_lo = 0; | |
2518 | sgpge->sga.a32.addr_hi = 0; | |
2519 | sgpge->sg_len = pgcumsz; | |
2520 | bfa_sge_to_le(sgpge); | |
2521 | } else if (++sge_id == BFI_SGPG_DATA_SGES) { | |
2522 | sgpg = (struct bfa_sgpg_s *) bfa_q_next(sgpg); | |
2523 | sgpge->flags = BFI_SGE_LINK; | |
2524 | sgpge->sga = sgpg->sgpg_pa; | |
2525 | sgpge->sg_len = pgcumsz; | |
2526 | bfa_sge_to_le(sgpge); | |
2527 | sge_id = 0; | |
2528 | pgcumsz = 0; | |
2529 | } | |
2530 | } | |
a36c61f9 KG |
2531 | } |
2532 | ||
2533 | if (ioim->nsges > BFI_SGE_INLINE) { | |
2534 | sge->sga = ioim->sgpg->sgpg_pa; | |
2535 | } else { | |
2536 | sge->sga.a32.addr_lo = 0; | |
2537 | sge->sga.a32.addr_hi = 0; | |
2538 | } | |
2539 | sge->sg_len = pgdlen; | |
2540 | sge->flags = BFI_SGE_PGDLEN; | |
2541 | bfa_sge_to_be(sge); | |
2542 | ||
5fbe25c7 | 2543 | /* |
a36c61f9 KG |
2544 | * set up I/O command parameters |
2545 | */ | |
6a18b167 | 2546 | m->cmnd = cmnd_z0; |
f314878a MZ |
2547 | int_to_scsilun(cmnd->device->lun, &m->cmnd.lun); |
2548 | dmadir = cmnd->sc_data_direction; | |
2549 | if (dmadir == DMA_TO_DEVICE) | |
2550 | m->cmnd.iodir = FCP_IODIR_WRITE; | |
2551 | else if (dmadir == DMA_FROM_DEVICE) | |
2552 | m->cmnd.iodir = FCP_IODIR_READ; | |
2553 | else | |
2554 | m->cmnd.iodir = FCP_IODIR_NONE; | |
2555 | ||
8f4bfadd | 2556 | m->cmnd.cdb = *(struct scsi_cdb_s *) cmnd->cmnd; |
f314878a | 2557 | fcp_dl = scsi_bufflen(cmnd); |
ba816ea8 | 2558 | m->cmnd.fcp_dl = cpu_to_be32(fcp_dl); |
a36c61f9 | 2559 | |
5fbe25c7 | 2560 | /* |
a36c61f9 KG |
2561 | * set up I/O message header |
2562 | */ | |
2563 | switch (m->cmnd.iodir) { | |
2564 | case FCP_IODIR_READ: | |
3fd45980 | 2565 | bfi_h2i_set(m->mh, BFI_MC_IOIM_READ, 0, bfa_fn_lpu(ioim->bfa)); |
a36c61f9 KG |
2566 | bfa_stats(itnim, input_reqs); |
2567 | ioim->itnim->stats.rd_throughput += fcp_dl; | |
2568 | break; | |
2569 | case FCP_IODIR_WRITE: | |
3fd45980 | 2570 | bfi_h2i_set(m->mh, BFI_MC_IOIM_WRITE, 0, bfa_fn_lpu(ioim->bfa)); |
a36c61f9 KG |
2571 | bfa_stats(itnim, output_reqs); |
2572 | ioim->itnim->stats.wr_throughput += fcp_dl; | |
2573 | break; | |
2574 | case FCP_IODIR_RW: | |
2575 | bfa_stats(itnim, input_reqs); | |
2576 | bfa_stats(itnim, output_reqs); | |
2577 | default: | |
3fd45980 | 2578 | bfi_h2i_set(m->mh, BFI_MC_IOIM_IO, 0, bfa_fn_lpu(ioim->bfa)); |
a36c61f9 KG |
2579 | } |
2580 | if (itnim->seq_rec || | |
f314878a | 2581 | (scsi_bufflen(cmnd) & (sizeof(u32) - 1))) |
3fd45980 | 2582 | bfi_h2i_set(m->mh, BFI_MC_IOIM_IO, 0, bfa_fn_lpu(ioim->bfa)); |
a36c61f9 | 2583 | |
5fbe25c7 | 2584 | /* |
a36c61f9 KG |
2585 | * queue I/O message to firmware |
2586 | */ | |
3fd45980 | 2587 | bfa_reqq_produce(ioim->bfa, ioim->reqq, m->mh); |
a36c61f9 KG |
2588 | return BFA_TRUE; |
2589 | } | |
2590 | ||
5fbe25c7 | 2591 | /* |
a36c61f9 KG |
2592 | * Setup any additional SG pages needed.Inline SG element is setup |
2593 | * at queuing time. | |
2594 | */ | |
2595 | static bfa_boolean_t | |
e3e7d3ee | 2596 | bfa_ioim_sgpg_alloc(struct bfa_ioim_s *ioim) |
a36c61f9 KG |
2597 | { |
2598 | u16 nsgpgs; | |
2599 | ||
d4b671c5 | 2600 | WARN_ON(ioim->nsges <= BFI_SGE_INLINE); |
a36c61f9 | 2601 | |
5fbe25c7 | 2602 | /* |
a36c61f9 KG |
2603 | * allocate SG pages needed |
2604 | */ | |
2605 | nsgpgs = BFA_SGPG_NPAGE(ioim->nsges); | |
2606 | if (!nsgpgs) | |
2607 | return BFA_TRUE; | |
2608 | ||
2609 | if (bfa_sgpg_malloc(ioim->bfa, &ioim->sgpg_q, nsgpgs) | |
2610 | != BFA_STATUS_OK) { | |
2611 | bfa_sgpg_wait(ioim->bfa, &ioim->iosp->sgpg_wqe, nsgpgs); | |
2612 | return BFA_FALSE; | |
2613 | } | |
2614 | ||
2615 | ioim->nsgpgs = nsgpgs; | |
e3e7d3ee | 2616 | ioim->sgpg = bfa_q_first(&ioim->sgpg_q); |
a36c61f9 KG |
2617 | |
2618 | return BFA_TRUE; | |
2619 | } | |
2620 | ||
5fbe25c7 | 2621 | /* |
a36c61f9 KG |
2622 | * Send I/O abort request to firmware. |
2623 | */ | |
2624 | static bfa_boolean_t | |
2625 | bfa_ioim_send_abort(struct bfa_ioim_s *ioim) | |
2626 | { | |
2627 | struct bfi_ioim_abort_req_s *m; | |
2628 | enum bfi_ioim_h2i msgop; | |
2629 | ||
5fbe25c7 | 2630 | /* |
a36c61f9 KG |
2631 | * check for room in queue to send request now |
2632 | */ | |
2633 | m = bfa_reqq_next(ioim->bfa, ioim->reqq); | |
2634 | if (!m) | |
2635 | return BFA_FALSE; | |
2636 | ||
5fbe25c7 | 2637 | /* |
a36c61f9 KG |
2638 | * build i/o request message next |
2639 | */ | |
2640 | if (ioim->iosp->abort_explicit) | |
2641 | msgop = BFI_IOIM_H2I_IOABORT_REQ; | |
2642 | else | |
2643 | msgop = BFI_IOIM_H2I_IOCLEANUP_REQ; | |
2644 | ||
3fd45980 | 2645 | bfi_h2i_set(m->mh, BFI_MC_IOIM, msgop, bfa_fn_lpu(ioim->bfa)); |
ba816ea8 | 2646 | m->io_tag = cpu_to_be16(ioim->iotag); |
a36c61f9 KG |
2647 | m->abort_tag = ++ioim->abort_tag; |
2648 | ||
5fbe25c7 | 2649 | /* |
a36c61f9 KG |
2650 | * queue I/O message to firmware |
2651 | */ | |
3fd45980 | 2652 | bfa_reqq_produce(ioim->bfa, ioim->reqq, m->mh); |
a36c61f9 KG |
2653 | return BFA_TRUE; |
2654 | } | |
2655 | ||
5fbe25c7 | 2656 | /* |
a36c61f9 KG |
2657 | * Call to resume any I/O requests waiting for room in request queue. |
2658 | */ | |
2659 | static void | |
2660 | bfa_ioim_qresume(void *cbarg) | |
2661 | { | |
2662 | struct bfa_ioim_s *ioim = cbarg; | |
2663 | ||
2664 | bfa_stats(ioim->itnim, qresumes); | |
2665 | bfa_sm_send_event(ioim, BFA_IOIM_SM_QRESUME); | |
2666 | } | |
2667 | ||
2668 | ||
2669 | static void | |
2670 | bfa_ioim_notify_cleanup(struct bfa_ioim_s *ioim) | |
2671 | { | |
5fbe25c7 | 2672 | /* |
a36c61f9 KG |
2673 | * Move IO from itnim queue to fcpim global queue since itnim will be |
2674 | * freed. | |
2675 | */ | |
2676 | list_del(&ioim->qe); | |
2677 | list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); | |
2678 | ||
2679 | if (!ioim->iosp->tskim) { | |
2680 | if (ioim->fcpim->delay_comp && ioim->itnim->iotov_active) { | |
2681 | bfa_cb_dequeue(&ioim->hcb_qe); | |
2682 | list_del(&ioim->qe); | |
2683 | list_add_tail(&ioim->qe, &ioim->itnim->delay_comp_q); | |
2684 | } | |
2685 | bfa_itnim_iodone(ioim->itnim); | |
2686 | } else | |
f7f73812 | 2687 | bfa_wc_down(&ioim->iosp->tskim->wc); |
a36c61f9 KG |
2688 | } |
2689 | ||
2690 | static bfa_boolean_t | |
2691 | bfa_ioim_is_abortable(struct bfa_ioim_s *ioim) | |
2692 | { | |
2693 | if ((bfa_sm_cmp_state(ioim, bfa_ioim_sm_uninit) && | |
2694 | (!bfa_q_is_on_q(&ioim->itnim->pending_q, ioim))) || | |
2695 | (bfa_sm_cmp_state(ioim, bfa_ioim_sm_abort)) || | |
2696 | (bfa_sm_cmp_state(ioim, bfa_ioim_sm_abort_qfull)) || | |
2697 | (bfa_sm_cmp_state(ioim, bfa_ioim_sm_hcb)) || | |
2698 | (bfa_sm_cmp_state(ioim, bfa_ioim_sm_hcb_free)) || | |
2699 | (bfa_sm_cmp_state(ioim, bfa_ioim_sm_resfree))) | |
2700 | return BFA_FALSE; | |
2701 | ||
2702 | return BFA_TRUE; | |
2703 | } | |
2704 | ||
a36c61f9 KG |
2705 | void |
2706 | bfa_ioim_delayed_comp(struct bfa_ioim_s *ioim, bfa_boolean_t iotov) | |
2707 | { | |
5fbe25c7 | 2708 | /* |
a36c61f9 KG |
2709 | * If path tov timer expired, failback with PATHTOV status - these |
2710 | * IO requests are not normally retried by IO stack. | |
2711 | * | |
2712 | * Otherwise device cameback online and fail it with normal failed | |
2713 | * status so that IO stack retries these failed IO requests. | |
2714 | */ | |
2715 | if (iotov) | |
2716 | ioim->io_cbfn = __bfa_cb_ioim_pathtov; | |
2717 | else { | |
2718 | ioim->io_cbfn = __bfa_cb_ioim_failed; | |
2719 | bfa_stats(ioim->itnim, iocom_nexus_abort); | |
2720 | } | |
2721 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
2722 | ||
5fbe25c7 | 2723 | /* |
a36c61f9 KG |
2724 | * Move IO to fcpim global queue since itnim will be |
2725 | * freed. | |
2726 | */ | |
2727 | list_del(&ioim->qe); | |
2728 | list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); | |
2729 | } | |
2730 | ||
2731 | ||
5fbe25c7 | 2732 | /* |
a36c61f9 KG |
2733 | * Memory allocation and initialization. |
2734 | */ | |
2735 | void | |
4507025d | 2736 | bfa_ioim_attach(struct bfa_fcpim_s *fcpim) |
a36c61f9 KG |
2737 | { |
2738 | struct bfa_ioim_s *ioim; | |
4507025d | 2739 | struct bfa_fcp_mod_s *fcp = fcpim->fcp; |
a36c61f9 KG |
2740 | struct bfa_ioim_sp_s *iosp; |
2741 | u16 i; | |
a36c61f9 | 2742 | |
5fbe25c7 | 2743 | /* |
a36c61f9 KG |
2744 | * claim memory first |
2745 | */ | |
4507025d | 2746 | ioim = (struct bfa_ioim_s *) bfa_mem_kva_curp(fcp); |
a36c61f9 | 2747 | fcpim->ioim_arr = ioim; |
4507025d | 2748 | bfa_mem_kva_curp(fcp) = (u8 *) (ioim + fcpim->fcp->num_ioim_reqs); |
a36c61f9 | 2749 | |
4507025d | 2750 | iosp = (struct bfa_ioim_sp_s *) bfa_mem_kva_curp(fcp); |
a36c61f9 | 2751 | fcpim->ioim_sp_arr = iosp; |
4507025d | 2752 | bfa_mem_kva_curp(fcp) = (u8 *) (iosp + fcpim->fcp->num_ioim_reqs); |
a36c61f9 | 2753 | |
5fbe25c7 | 2754 | /* |
a36c61f9 KG |
2755 | * Initialize ioim free queues |
2756 | */ | |
a36c61f9 KG |
2757 | INIT_LIST_HEAD(&fcpim->ioim_resfree_q); |
2758 | INIT_LIST_HEAD(&fcpim->ioim_comp_q); | |
2759 | ||
e2187d7f KG |
2760 | for (i = 0; i < fcpim->fcp->num_ioim_reqs; |
2761 | i++, ioim++, iosp++) { | |
a36c61f9 KG |
2762 | /* |
2763 | * initialize IOIM | |
2764 | */ | |
6a18b167 | 2765 | memset(ioim, 0, sizeof(struct bfa_ioim_s)); |
a36c61f9 KG |
2766 | ioim->iotag = i; |
2767 | ioim->bfa = fcpim->bfa; | |
2768 | ioim->fcpim = fcpim; | |
2769 | ioim->iosp = iosp; | |
a36c61f9 KG |
2770 | INIT_LIST_HEAD(&ioim->sgpg_q); |
2771 | bfa_reqq_winit(&ioim->iosp->reqq_wait, | |
2772 | bfa_ioim_qresume, ioim); | |
2773 | bfa_sgpg_winit(&ioim->iosp->sgpg_wqe, | |
2774 | bfa_ioim_sgpg_alloced, ioim); | |
2775 | bfa_sm_set_state(ioim, bfa_ioim_sm_uninit); | |
a36c61f9 KG |
2776 | } |
2777 | } | |
2778 | ||
a36c61f9 KG |
2779 | void |
2780 | bfa_ioim_isr(struct bfa_s *bfa, struct bfi_msg_s *m) | |
2781 | { | |
e2187d7f | 2782 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
a36c61f9 KG |
2783 | struct bfi_ioim_rsp_s *rsp = (struct bfi_ioim_rsp_s *) m; |
2784 | struct bfa_ioim_s *ioim; | |
2785 | u16 iotag; | |
2786 | enum bfa_ioim_event evt = BFA_IOIM_SM_COMP; | |
2787 | ||
ba816ea8 | 2788 | iotag = be16_to_cpu(rsp->io_tag); |
a36c61f9 KG |
2789 | |
2790 | ioim = BFA_IOIM_FROM_TAG(fcpim, iotag); | |
d4b671c5 | 2791 | WARN_ON(ioim->iotag != iotag); |
a36c61f9 KG |
2792 | |
2793 | bfa_trc(ioim->bfa, ioim->iotag); | |
2794 | bfa_trc(ioim->bfa, rsp->io_status); | |
2795 | bfa_trc(ioim->bfa, rsp->reuse_io_tag); | |
2796 | ||
2797 | if (bfa_sm_cmp_state(ioim, bfa_ioim_sm_active)) | |
6a18b167 | 2798 | ioim->iosp->comp_rspmsg = *m; |
a36c61f9 KG |
2799 | |
2800 | switch (rsp->io_status) { | |
2801 | case BFI_IOIM_STS_OK: | |
2802 | bfa_stats(ioim->itnim, iocomp_ok); | |
2803 | if (rsp->reuse_io_tag == 0) | |
2804 | evt = BFA_IOIM_SM_DONE; | |
2805 | else | |
2806 | evt = BFA_IOIM_SM_COMP; | |
2807 | break; | |
2808 | ||
2809 | case BFI_IOIM_STS_TIMEDOUT: | |
2810 | bfa_stats(ioim->itnim, iocomp_timedout); | |
2811 | case BFI_IOIM_STS_ABORTED: | |
2812 | rsp->io_status = BFI_IOIM_STS_ABORTED; | |
2813 | bfa_stats(ioim->itnim, iocomp_aborted); | |
2814 | if (rsp->reuse_io_tag == 0) | |
2815 | evt = BFA_IOIM_SM_DONE; | |
2816 | else | |
2817 | evt = BFA_IOIM_SM_COMP; | |
2818 | break; | |
2819 | ||
2820 | case BFI_IOIM_STS_PROTO_ERR: | |
2821 | bfa_stats(ioim->itnim, iocom_proto_err); | |
d4b671c5 | 2822 | WARN_ON(!rsp->reuse_io_tag); |
a36c61f9 KG |
2823 | evt = BFA_IOIM_SM_COMP; |
2824 | break; | |
2825 | ||
2826 | case BFI_IOIM_STS_SQER_NEEDED: | |
2827 | bfa_stats(ioim->itnim, iocom_sqer_needed); | |
d4b671c5 | 2828 | WARN_ON(rsp->reuse_io_tag != 0); |
a36c61f9 KG |
2829 | evt = BFA_IOIM_SM_SQRETRY; |
2830 | break; | |
2831 | ||
2832 | case BFI_IOIM_STS_RES_FREE: | |
2833 | bfa_stats(ioim->itnim, iocom_res_free); | |
2834 | evt = BFA_IOIM_SM_FREE; | |
2835 | break; | |
2836 | ||
2837 | case BFI_IOIM_STS_HOST_ABORTED: | |
2838 | bfa_stats(ioim->itnim, iocom_hostabrts); | |
2839 | if (rsp->abort_tag != ioim->abort_tag) { | |
2840 | bfa_trc(ioim->bfa, rsp->abort_tag); | |
2841 | bfa_trc(ioim->bfa, ioim->abort_tag); | |
2842 | return; | |
2843 | } | |
2844 | ||
2845 | if (rsp->reuse_io_tag) | |
2846 | evt = BFA_IOIM_SM_ABORT_COMP; | |
2847 | else | |
2848 | evt = BFA_IOIM_SM_ABORT_DONE; | |
2849 | break; | |
2850 | ||
2851 | case BFI_IOIM_STS_UTAG: | |
2852 | bfa_stats(ioim->itnim, iocom_utags); | |
2853 | evt = BFA_IOIM_SM_COMP_UTAG; | |
2854 | break; | |
2855 | ||
2856 | default: | |
d4b671c5 | 2857 | WARN_ON(1); |
a36c61f9 KG |
2858 | } |
2859 | ||
2860 | bfa_sm_send_event(ioim, evt); | |
2861 | } | |
2862 | ||
2863 | void | |
2864 | bfa_ioim_good_comp_isr(struct bfa_s *bfa, struct bfi_msg_s *m) | |
2865 | { | |
e2187d7f | 2866 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
a36c61f9 KG |
2867 | struct bfi_ioim_rsp_s *rsp = (struct bfi_ioim_rsp_s *) m; |
2868 | struct bfa_ioim_s *ioim; | |
2869 | u16 iotag; | |
2870 | ||
ba816ea8 | 2871 | iotag = be16_to_cpu(rsp->io_tag); |
a36c61f9 KG |
2872 | |
2873 | ioim = BFA_IOIM_FROM_TAG(fcpim, iotag); | |
d4b671c5 | 2874 | WARN_ON(BFA_IOIM_TAG_2_ID(ioim->iotag) != iotag); |
a36c61f9 | 2875 | |
a36c61f9 | 2876 | bfa_ioim_cb_profile_comp(fcpim, ioim); |
83763d59 | 2877 | |
8ca2dd87 | 2878 | bfa_sm_send_event(ioim, BFA_IOIM_SM_COMP_GOOD); |
a36c61f9 KG |
2879 | } |
2880 | ||
5fbe25c7 | 2881 | /* |
a36c61f9 KG |
2882 | * Called by itnim to clean up IO while going offline. |
2883 | */ | |
2884 | void | |
2885 | bfa_ioim_cleanup(struct bfa_ioim_s *ioim) | |
2886 | { | |
2887 | bfa_trc(ioim->bfa, ioim->iotag); | |
2888 | bfa_stats(ioim->itnim, io_cleanups); | |
2889 | ||
2890 | ioim->iosp->tskim = NULL; | |
2891 | bfa_sm_send_event(ioim, BFA_IOIM_SM_CLEANUP); | |
2892 | } | |
2893 | ||
2894 | void | |
2895 | bfa_ioim_cleanup_tm(struct bfa_ioim_s *ioim, struct bfa_tskim_s *tskim) | |
2896 | { | |
2897 | bfa_trc(ioim->bfa, ioim->iotag); | |
2898 | bfa_stats(ioim->itnim, io_tmaborts); | |
2899 | ||
2900 | ioim->iosp->tskim = tskim; | |
2901 | bfa_sm_send_event(ioim, BFA_IOIM_SM_CLEANUP); | |
2902 | } | |
2903 | ||
5fbe25c7 | 2904 | /* |
a36c61f9 KG |
2905 | * IOC failure handling. |
2906 | */ | |
2907 | void | |
2908 | bfa_ioim_iocdisable(struct bfa_ioim_s *ioim) | |
2909 | { | |
2910 | bfa_trc(ioim->bfa, ioim->iotag); | |
2911 | bfa_stats(ioim->itnim, io_iocdowns); | |
2912 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HWFAIL); | |
2913 | } | |
2914 | ||
5fbe25c7 | 2915 | /* |
a36c61f9 KG |
2916 | * IO offline TOV popped. Fail the pending IO. |
2917 | */ | |
2918 | void | |
2919 | bfa_ioim_tov(struct bfa_ioim_s *ioim) | |
2920 | { | |
2921 | bfa_trc(ioim->bfa, ioim->iotag); | |
2922 | bfa_sm_send_event(ioim, BFA_IOIM_SM_IOTOV); | |
2923 | } | |
2924 | ||
2925 | ||
5fbe25c7 | 2926 | /* |
a36c61f9 KG |
2927 | * Allocate IOIM resource for initiator mode I/O request. |
2928 | */ | |
2929 | struct bfa_ioim_s * | |
2930 | bfa_ioim_alloc(struct bfa_s *bfa, struct bfad_ioim_s *dio, | |
2931 | struct bfa_itnim_s *itnim, u16 nsges) | |
2932 | { | |
e2187d7f | 2933 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
a36c61f9 | 2934 | struct bfa_ioim_s *ioim; |
e2187d7f | 2935 | struct bfa_iotag_s *iotag = NULL; |
a36c61f9 | 2936 | |
5fbe25c7 | 2937 | /* |
a36c61f9 KG |
2938 | * alocate IOIM resource |
2939 | */ | |
e2187d7f KG |
2940 | bfa_q_deq(&fcpim->fcp->iotag_ioim_free_q, &iotag); |
2941 | if (!iotag) { | |
a36c61f9 KG |
2942 | bfa_stats(itnim, no_iotags); |
2943 | return NULL; | |
2944 | } | |
2945 | ||
e2187d7f KG |
2946 | ioim = BFA_IOIM_FROM_TAG(fcpim, iotag->tag); |
2947 | ||
a36c61f9 KG |
2948 | ioim->dio = dio; |
2949 | ioim->itnim = itnim; | |
2950 | ioim->nsges = nsges; | |
2951 | ioim->nsgpgs = 0; | |
2952 | ||
2953 | bfa_stats(itnim, total_ios); | |
2954 | fcpim->ios_active++; | |
2955 | ||
2956 | list_add_tail(&ioim->qe, &itnim->io_q); | |
a36c61f9 KG |
2957 | |
2958 | return ioim; | |
2959 | } | |
2960 | ||
2961 | void | |
2962 | bfa_ioim_free(struct bfa_ioim_s *ioim) | |
2963 | { | |
e2187d7f KG |
2964 | struct bfa_fcpim_s *fcpim = ioim->fcpim; |
2965 | struct bfa_iotag_s *iotag; | |
a36c61f9 | 2966 | |
a36c61f9 KG |
2967 | if (ioim->nsgpgs > 0) |
2968 | bfa_sgpg_mfree(ioim->bfa, &ioim->sgpg_q, ioim->nsgpgs); | |
2969 | ||
2970 | bfa_stats(ioim->itnim, io_comps); | |
2971 | fcpim->ios_active--; | |
2972 | ||
15821f05 | 2973 | ioim->iotag &= BFA_IOIM_IOTAG_MASK; |
e2187d7f KG |
2974 | |
2975 | WARN_ON(!(ioim->iotag < | |
2976 | (fcpim->fcp->num_ioim_reqs + fcpim->fcp->num_fwtio_reqs))); | |
2977 | iotag = BFA_IOTAG_FROM_TAG(fcpim->fcp, ioim->iotag); | |
2978 | ||
2979 | if (ioim->iotag < fcpim->fcp->num_ioim_reqs) | |
2980 | list_add_tail(&iotag->qe, &fcpim->fcp->iotag_ioim_free_q); | |
2981 | else | |
2982 | list_add_tail(&iotag->qe, &fcpim->fcp->iotag_tio_free_q); | |
2983 | ||
a36c61f9 | 2984 | list_del(&ioim->qe); |
a36c61f9 KG |
2985 | } |
2986 | ||
2987 | void | |
2988 | bfa_ioim_start(struct bfa_ioim_s *ioim) | |
2989 | { | |
a36c61f9 KG |
2990 | bfa_ioim_cb_profile_start(ioim->fcpim, ioim); |
2991 | ||
5fbe25c7 | 2992 | /* |
a36c61f9 KG |
2993 | * Obtain the queue over which this request has to be issued |
2994 | */ | |
2995 | ioim->reqq = bfa_fcpim_ioredirect_enabled(ioim->bfa) ? | |
f314878a | 2996 | BFA_FALSE : bfa_itnim_get_reqq(ioim); |
a36c61f9 KG |
2997 | |
2998 | bfa_sm_send_event(ioim, BFA_IOIM_SM_START); | |
2999 | } | |
3000 | ||
5fbe25c7 | 3001 | /* |
a36c61f9 KG |
3002 | * Driver I/O abort request. |
3003 | */ | |
3004 | bfa_status_t | |
3005 | bfa_ioim_abort(struct bfa_ioim_s *ioim) | |
3006 | { | |
3007 | ||
3008 | bfa_trc(ioim->bfa, ioim->iotag); | |
3009 | ||
3010 | if (!bfa_ioim_is_abortable(ioim)) | |
3011 | return BFA_STATUS_FAILED; | |
3012 | ||
3013 | bfa_stats(ioim->itnim, io_aborts); | |
3014 | bfa_sm_send_event(ioim, BFA_IOIM_SM_ABORT); | |
3015 | ||
3016 | return BFA_STATUS_OK; | |
3017 | } | |
3018 | ||
5fbe25c7 | 3019 | /* |
a36c61f9 KG |
3020 | * BFA TSKIM state machine functions |
3021 | */ | |
3022 | ||
5fbe25c7 | 3023 | /* |
da99dcc9 | 3024 | * Task management command beginning state. |
a36c61f9 KG |
3025 | */ |
3026 | static void | |
3027 | bfa_tskim_sm_uninit(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) | |
3028 | { | |
3029 | bfa_trc(tskim->bfa, event); | |
3030 | ||
3031 | switch (event) { | |
3032 | case BFA_TSKIM_SM_START: | |
3033 | bfa_sm_set_state(tskim, bfa_tskim_sm_active); | |
3034 | bfa_tskim_gather_ios(tskim); | |
3035 | ||
5fbe25c7 | 3036 | /* |
a36c61f9 KG |
3037 | * If device is offline, do not send TM on wire. Just cleanup |
3038 | * any pending IO requests and complete TM request. | |
3039 | */ | |
3040 | if (!bfa_itnim_is_online(tskim->itnim)) { | |
3041 | bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); | |
3042 | tskim->tsk_status = BFI_TSKIM_STS_OK; | |
3043 | bfa_tskim_cleanup_ios(tskim); | |
3044 | return; | |
3045 | } | |
3046 | ||
3047 | if (!bfa_tskim_send(tskim)) { | |
3048 | bfa_sm_set_state(tskim, bfa_tskim_sm_qfull); | |
3049 | bfa_stats(tskim->itnim, tm_qwait); | |
3050 | bfa_reqq_wait(tskim->bfa, tskim->itnim->reqq, | |
3051 | &tskim->reqq_wait); | |
3052 | } | |
3053 | break; | |
3054 | ||
3055 | default: | |
3056 | bfa_sm_fault(tskim->bfa, event); | |
3057 | } | |
3058 | } | |
3059 | ||
5fbe25c7 | 3060 | /* |
da99dcc9 MZ |
3061 | * TM command is active, awaiting completion from firmware to |
3062 | * cleanup IO requests in TM scope. | |
a36c61f9 KG |
3063 | */ |
3064 | static void | |
3065 | bfa_tskim_sm_active(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) | |
3066 | { | |
3067 | bfa_trc(tskim->bfa, event); | |
3068 | ||
3069 | switch (event) { | |
3070 | case BFA_TSKIM_SM_DONE: | |
3071 | bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); | |
3072 | bfa_tskim_cleanup_ios(tskim); | |
3073 | break; | |
3074 | ||
3075 | case BFA_TSKIM_SM_CLEANUP: | |
3076 | bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup); | |
3077 | if (!bfa_tskim_send_abort(tskim)) { | |
3078 | bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup_qfull); | |
3079 | bfa_stats(tskim->itnim, tm_qwait); | |
3080 | bfa_reqq_wait(tskim->bfa, tskim->itnim->reqq, | |
3081 | &tskim->reqq_wait); | |
3082 | } | |
3083 | break; | |
3084 | ||
3085 | case BFA_TSKIM_SM_HWFAIL: | |
3086 | bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); | |
3087 | bfa_tskim_iocdisable_ios(tskim); | |
3088 | bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); | |
3089 | break; | |
3090 | ||
3091 | default: | |
3092 | bfa_sm_fault(tskim->bfa, event); | |
3093 | } | |
3094 | } | |
3095 | ||
5fbe25c7 | 3096 | /* |
da99dcc9 MZ |
3097 | * An active TM is being cleaned up since ITN is offline. Awaiting cleanup |
3098 | * completion event from firmware. | |
a36c61f9 KG |
3099 | */ |
3100 | static void | |
3101 | bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) | |
3102 | { | |
3103 | bfa_trc(tskim->bfa, event); | |
3104 | ||
3105 | switch (event) { | |
3106 | case BFA_TSKIM_SM_DONE: | |
5fbe25c7 | 3107 | /* |
a36c61f9 KG |
3108 | * Ignore and wait for ABORT completion from firmware. |
3109 | */ | |
3110 | break; | |
3111 | ||
3112 | case BFA_TSKIM_SM_CLEANUP_DONE: | |
3113 | bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); | |
3114 | bfa_tskim_cleanup_ios(tskim); | |
3115 | break; | |
3116 | ||
3117 | case BFA_TSKIM_SM_HWFAIL: | |
3118 | bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); | |
3119 | bfa_tskim_iocdisable_ios(tskim); | |
3120 | bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); | |
3121 | break; | |
3122 | ||
3123 | default: | |
3124 | bfa_sm_fault(tskim->bfa, event); | |
3125 | } | |
3126 | } | |
3127 | ||
3128 | static void | |
3129 | bfa_tskim_sm_iocleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) | |
3130 | { | |
3131 | bfa_trc(tskim->bfa, event); | |
3132 | ||
3133 | switch (event) { | |
3134 | case BFA_TSKIM_SM_IOS_DONE: | |
3135 | bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); | |
3136 | bfa_tskim_qcomp(tskim, __bfa_cb_tskim_done); | |
3137 | break; | |
3138 | ||
3139 | case BFA_TSKIM_SM_CLEANUP: | |
5fbe25c7 | 3140 | /* |
a36c61f9 KG |
3141 | * Ignore, TM command completed on wire. |
3142 | * Notify TM conmpletion on IO cleanup completion. | |
3143 | */ | |
3144 | break; | |
3145 | ||
3146 | case BFA_TSKIM_SM_HWFAIL: | |
3147 | bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); | |
3148 | bfa_tskim_iocdisable_ios(tskim); | |
3149 | bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); | |
3150 | break; | |
3151 | ||
3152 | default: | |
3153 | bfa_sm_fault(tskim->bfa, event); | |
3154 | } | |
3155 | } | |
3156 | ||
5fbe25c7 | 3157 | /* |
da99dcc9 | 3158 | * Task management command is waiting for room in request CQ |
a36c61f9 KG |
3159 | */ |
3160 | static void | |
3161 | bfa_tskim_sm_qfull(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) | |
3162 | { | |
3163 | bfa_trc(tskim->bfa, event); | |
3164 | ||
3165 | switch (event) { | |
3166 | case BFA_TSKIM_SM_QRESUME: | |
3167 | bfa_sm_set_state(tskim, bfa_tskim_sm_active); | |
3168 | bfa_tskim_send(tskim); | |
3169 | break; | |
3170 | ||
3171 | case BFA_TSKIM_SM_CLEANUP: | |
5fbe25c7 | 3172 | /* |
a36c61f9 KG |
3173 | * No need to send TM on wire since ITN is offline. |
3174 | */ | |
3175 | bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); | |
3176 | bfa_reqq_wcancel(&tskim->reqq_wait); | |
3177 | bfa_tskim_cleanup_ios(tskim); | |
3178 | break; | |
3179 | ||
3180 | case BFA_TSKIM_SM_HWFAIL: | |
3181 | bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); | |
3182 | bfa_reqq_wcancel(&tskim->reqq_wait); | |
3183 | bfa_tskim_iocdisable_ios(tskim); | |
3184 | bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); | |
3185 | break; | |
3186 | ||
3187 | default: | |
3188 | bfa_sm_fault(tskim->bfa, event); | |
3189 | } | |
3190 | } | |
3191 | ||
5fbe25c7 | 3192 | /* |
da99dcc9 MZ |
3193 | * Task management command is active, awaiting for room in request CQ |
3194 | * to send clean up request. | |
a36c61f9 KG |
3195 | */ |
3196 | static void | |
3197 | bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim, | |
3198 | enum bfa_tskim_event event) | |
3199 | { | |
3200 | bfa_trc(tskim->bfa, event); | |
3201 | ||
3202 | switch (event) { | |
3203 | case BFA_TSKIM_SM_DONE: | |
3204 | bfa_reqq_wcancel(&tskim->reqq_wait); | |
5fbe25c7 | 3205 | /* |
a36c61f9 KG |
3206 | * Fall through !!! |
3207 | */ | |
a36c61f9 KG |
3208 | case BFA_TSKIM_SM_QRESUME: |
3209 | bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup); | |
3210 | bfa_tskim_send_abort(tskim); | |
3211 | break; | |
3212 | ||
3213 | case BFA_TSKIM_SM_HWFAIL: | |
3214 | bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); | |
3215 | bfa_reqq_wcancel(&tskim->reqq_wait); | |
3216 | bfa_tskim_iocdisable_ios(tskim); | |
3217 | bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); | |
3218 | break; | |
3219 | ||
3220 | default: | |
3221 | bfa_sm_fault(tskim->bfa, event); | |
3222 | } | |
3223 | } | |
3224 | ||
5fbe25c7 | 3225 | /* |
da99dcc9 | 3226 | * BFA callback is pending |
a36c61f9 KG |
3227 | */ |
3228 | static void | |
3229 | bfa_tskim_sm_hcb(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) | |
3230 | { | |
3231 | bfa_trc(tskim->bfa, event); | |
3232 | ||
3233 | switch (event) { | |
3234 | case BFA_TSKIM_SM_HCB: | |
3235 | bfa_sm_set_state(tskim, bfa_tskim_sm_uninit); | |
3236 | bfa_tskim_free(tskim); | |
3237 | break; | |
3238 | ||
3239 | case BFA_TSKIM_SM_CLEANUP: | |
3240 | bfa_tskim_notify_comp(tskim); | |
3241 | break; | |
3242 | ||
3243 | case BFA_TSKIM_SM_HWFAIL: | |
3244 | break; | |
3245 | ||
3246 | default: | |
3247 | bfa_sm_fault(tskim->bfa, event); | |
3248 | } | |
3249 | } | |
3250 | ||
a36c61f9 KG |
3251 | static void |
3252 | __bfa_cb_tskim_done(void *cbarg, bfa_boolean_t complete) | |
3253 | { | |
3254 | struct bfa_tskim_s *tskim = cbarg; | |
3255 | ||
3256 | if (!complete) { | |
3257 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_HCB); | |
3258 | return; | |
3259 | } | |
3260 | ||
3261 | bfa_stats(tskim->itnim, tm_success); | |
3262 | bfa_cb_tskim_done(tskim->bfa->bfad, tskim->dtsk, tskim->tsk_status); | |
3263 | } | |
3264 | ||
3265 | static void | |
3266 | __bfa_cb_tskim_failed(void *cbarg, bfa_boolean_t complete) | |
3267 | { | |
3268 | struct bfa_tskim_s *tskim = cbarg; | |
3269 | ||
3270 | if (!complete) { | |
3271 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_HCB); | |
3272 | return; | |
3273 | } | |
3274 | ||
3275 | bfa_stats(tskim->itnim, tm_failures); | |
3276 | bfa_cb_tskim_done(tskim->bfa->bfad, tskim->dtsk, | |
3277 | BFI_TSKIM_STS_FAILED); | |
3278 | } | |
3279 | ||
da99dcc9 | 3280 | static bfa_boolean_t |
f314878a | 3281 | bfa_tskim_match_scope(struct bfa_tskim_s *tskim, struct scsi_lun lun) |
a36c61f9 KG |
3282 | { |
3283 | switch (tskim->tm_cmnd) { | |
3284 | case FCP_TM_TARGET_RESET: | |
3285 | return BFA_TRUE; | |
3286 | ||
3287 | case FCP_TM_ABORT_TASK_SET: | |
3288 | case FCP_TM_CLEAR_TASK_SET: | |
3289 | case FCP_TM_LUN_RESET: | |
3290 | case FCP_TM_CLEAR_ACA: | |
da99dcc9 | 3291 | return !memcmp(&tskim->lun, &lun, sizeof(lun)); |
a36c61f9 KG |
3292 | |
3293 | default: | |
d4b671c5 | 3294 | WARN_ON(1); |
a36c61f9 KG |
3295 | } |
3296 | ||
3297 | return BFA_FALSE; | |
3298 | } | |
3299 | ||
5fbe25c7 | 3300 | /* |
da99dcc9 | 3301 | * Gather affected IO requests and task management commands. |
a36c61f9 KG |
3302 | */ |
3303 | static void | |
3304 | bfa_tskim_gather_ios(struct bfa_tskim_s *tskim) | |
3305 | { | |
3306 | struct bfa_itnim_s *itnim = tskim->itnim; | |
3307 | struct bfa_ioim_s *ioim; | |
f314878a MZ |
3308 | struct list_head *qe, *qen; |
3309 | struct scsi_cmnd *cmnd; | |
3310 | struct scsi_lun scsilun; | |
a36c61f9 KG |
3311 | |
3312 | INIT_LIST_HEAD(&tskim->io_q); | |
3313 | ||
5fbe25c7 | 3314 | /* |
a36c61f9 KG |
3315 | * Gather any active IO requests first. |
3316 | */ | |
3317 | list_for_each_safe(qe, qen, &itnim->io_q) { | |
3318 | ioim = (struct bfa_ioim_s *) qe; | |
f314878a MZ |
3319 | cmnd = (struct scsi_cmnd *) ioim->dio; |
3320 | int_to_scsilun(cmnd->device->lun, &scsilun); | |
3321 | if (bfa_tskim_match_scope(tskim, scsilun)) { | |
a36c61f9 KG |
3322 | list_del(&ioim->qe); |
3323 | list_add_tail(&ioim->qe, &tskim->io_q); | |
3324 | } | |
3325 | } | |
3326 | ||
5fbe25c7 | 3327 | /* |
a36c61f9 KG |
3328 | * Failback any pending IO requests immediately. |
3329 | */ | |
3330 | list_for_each_safe(qe, qen, &itnim->pending_q) { | |
3331 | ioim = (struct bfa_ioim_s *) qe; | |
f314878a MZ |
3332 | cmnd = (struct scsi_cmnd *) ioim->dio; |
3333 | int_to_scsilun(cmnd->device->lun, &scsilun); | |
3334 | if (bfa_tskim_match_scope(tskim, scsilun)) { | |
a36c61f9 KG |
3335 | list_del(&ioim->qe); |
3336 | list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); | |
3337 | bfa_ioim_tov(ioim); | |
3338 | } | |
3339 | } | |
3340 | } | |
3341 | ||
5fbe25c7 | 3342 | /* |
da99dcc9 | 3343 | * IO cleanup completion |
a36c61f9 KG |
3344 | */ |
3345 | static void | |
3346 | bfa_tskim_cleanp_comp(void *tskim_cbarg) | |
3347 | { | |
3348 | struct bfa_tskim_s *tskim = tskim_cbarg; | |
3349 | ||
3350 | bfa_stats(tskim->itnim, tm_io_comps); | |
3351 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_IOS_DONE); | |
3352 | } | |
3353 | ||
5fbe25c7 | 3354 | /* |
da99dcc9 | 3355 | * Gather affected IO requests and task management commands. |
a36c61f9 KG |
3356 | */ |
3357 | static void | |
3358 | bfa_tskim_cleanup_ios(struct bfa_tskim_s *tskim) | |
3359 | { | |
3360 | struct bfa_ioim_s *ioim; | |
3361 | struct list_head *qe, *qen; | |
3362 | ||
3363 | bfa_wc_init(&tskim->wc, bfa_tskim_cleanp_comp, tskim); | |
3364 | ||
3365 | list_for_each_safe(qe, qen, &tskim->io_q) { | |
3366 | ioim = (struct bfa_ioim_s *) qe; | |
3367 | bfa_wc_up(&tskim->wc); | |
3368 | bfa_ioim_cleanup_tm(ioim, tskim); | |
3369 | } | |
3370 | ||
3371 | bfa_wc_wait(&tskim->wc); | |
3372 | } | |
3373 | ||
5fbe25c7 | 3374 | /* |
da99dcc9 | 3375 | * Send task management request to firmware. |
a36c61f9 KG |
3376 | */ |
3377 | static bfa_boolean_t | |
3378 | bfa_tskim_send(struct bfa_tskim_s *tskim) | |
3379 | { | |
3380 | struct bfa_itnim_s *itnim = tskim->itnim; | |
3381 | struct bfi_tskim_req_s *m; | |
3382 | ||
5fbe25c7 | 3383 | /* |
a36c61f9 KG |
3384 | * check for room in queue to send request now |
3385 | */ | |
3386 | m = bfa_reqq_next(tskim->bfa, itnim->reqq); | |
3387 | if (!m) | |
3388 | return BFA_FALSE; | |
3389 | ||
5fbe25c7 | 3390 | /* |
a36c61f9 KG |
3391 | * build i/o request message next |
3392 | */ | |
3393 | bfi_h2i_set(m->mh, BFI_MC_TSKIM, BFI_TSKIM_H2I_TM_REQ, | |
3fd45980 | 3394 | bfa_fn_lpu(tskim->bfa)); |
a36c61f9 | 3395 | |
ba816ea8 | 3396 | m->tsk_tag = cpu_to_be16(tskim->tsk_tag); |
a36c61f9 KG |
3397 | m->itn_fhdl = tskim->itnim->rport->fw_handle; |
3398 | m->t_secs = tskim->tsecs; | |
3399 | m->lun = tskim->lun; | |
3400 | m->tm_flags = tskim->tm_cmnd; | |
3401 | ||
5fbe25c7 | 3402 | /* |
a36c61f9 KG |
3403 | * queue I/O message to firmware |
3404 | */ | |
3fd45980 | 3405 | bfa_reqq_produce(tskim->bfa, itnim->reqq, m->mh); |
a36c61f9 KG |
3406 | return BFA_TRUE; |
3407 | } | |
3408 | ||
5fbe25c7 | 3409 | /* |
da99dcc9 | 3410 | * Send abort request to cleanup an active TM to firmware. |
a36c61f9 KG |
3411 | */ |
3412 | static bfa_boolean_t | |
3413 | bfa_tskim_send_abort(struct bfa_tskim_s *tskim) | |
3414 | { | |
3415 | struct bfa_itnim_s *itnim = tskim->itnim; | |
3416 | struct bfi_tskim_abortreq_s *m; | |
3417 | ||
5fbe25c7 | 3418 | /* |
a36c61f9 KG |
3419 | * check for room in queue to send request now |
3420 | */ | |
3421 | m = bfa_reqq_next(tskim->bfa, itnim->reqq); | |
3422 | if (!m) | |
3423 | return BFA_FALSE; | |
3424 | ||
5fbe25c7 | 3425 | /* |
a36c61f9 KG |
3426 | * build i/o request message next |
3427 | */ | |
3428 | bfi_h2i_set(m->mh, BFI_MC_TSKIM, BFI_TSKIM_H2I_ABORT_REQ, | |
3fd45980 | 3429 | bfa_fn_lpu(tskim->bfa)); |
a36c61f9 | 3430 | |
ba816ea8 | 3431 | m->tsk_tag = cpu_to_be16(tskim->tsk_tag); |
a36c61f9 | 3432 | |
5fbe25c7 | 3433 | /* |
a36c61f9 KG |
3434 | * queue I/O message to firmware |
3435 | */ | |
3fd45980 | 3436 | bfa_reqq_produce(tskim->bfa, itnim->reqq, m->mh); |
a36c61f9 KG |
3437 | return BFA_TRUE; |
3438 | } | |
3439 | ||
5fbe25c7 | 3440 | /* |
da99dcc9 | 3441 | * Call to resume task management cmnd waiting for room in request queue. |
a36c61f9 KG |
3442 | */ |
3443 | static void | |
3444 | bfa_tskim_qresume(void *cbarg) | |
3445 | { | |
3446 | struct bfa_tskim_s *tskim = cbarg; | |
3447 | ||
3448 | bfa_stats(tskim->itnim, tm_qresumes); | |
3449 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_QRESUME); | |
3450 | } | |
3451 | ||
5fbe25c7 | 3452 | /* |
a36c61f9 KG |
3453 | * Cleanup IOs associated with a task mangement command on IOC failures. |
3454 | */ | |
3455 | static void | |
3456 | bfa_tskim_iocdisable_ios(struct bfa_tskim_s *tskim) | |
3457 | { | |
3458 | struct bfa_ioim_s *ioim; | |
3459 | struct list_head *qe, *qen; | |
3460 | ||
3461 | list_for_each_safe(qe, qen, &tskim->io_q) { | |
3462 | ioim = (struct bfa_ioim_s *) qe; | |
3463 | bfa_ioim_iocdisable(ioim); | |
3464 | } | |
3465 | } | |
3466 | ||
5fbe25c7 | 3467 | /* |
a36c61f9 KG |
3468 | * Notification on completions from related ioim. |
3469 | */ | |
3470 | void | |
3471 | bfa_tskim_iodone(struct bfa_tskim_s *tskim) | |
3472 | { | |
3473 | bfa_wc_down(&tskim->wc); | |
3474 | } | |
3475 | ||
5fbe25c7 | 3476 | /* |
a36c61f9 KG |
3477 | * Handle IOC h/w failure notification from itnim. |
3478 | */ | |
3479 | void | |
3480 | bfa_tskim_iocdisable(struct bfa_tskim_s *tskim) | |
3481 | { | |
3482 | tskim->notify = BFA_FALSE; | |
3483 | bfa_stats(tskim->itnim, tm_iocdowns); | |
3484 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_HWFAIL); | |
3485 | } | |
3486 | ||
5fbe25c7 | 3487 | /* |
a36c61f9 KG |
3488 | * Cleanup TM command and associated IOs as part of ITNIM offline. |
3489 | */ | |
3490 | void | |
3491 | bfa_tskim_cleanup(struct bfa_tskim_s *tskim) | |
3492 | { | |
3493 | tskim->notify = BFA_TRUE; | |
3494 | bfa_stats(tskim->itnim, tm_cleanups); | |
3495 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_CLEANUP); | |
3496 | } | |
3497 | ||
5fbe25c7 | 3498 | /* |
da99dcc9 | 3499 | * Memory allocation and initialization. |
a36c61f9 KG |
3500 | */ |
3501 | void | |
4507025d | 3502 | bfa_tskim_attach(struct bfa_fcpim_s *fcpim) |
a36c61f9 KG |
3503 | { |
3504 | struct bfa_tskim_s *tskim; | |
4507025d | 3505 | struct bfa_fcp_mod_s *fcp = fcpim->fcp; |
a36c61f9 KG |
3506 | u16 i; |
3507 | ||
3508 | INIT_LIST_HEAD(&fcpim->tskim_free_q); | |
3fd45980 | 3509 | INIT_LIST_HEAD(&fcpim->tskim_unused_q); |
a36c61f9 | 3510 | |
4507025d | 3511 | tskim = (struct bfa_tskim_s *) bfa_mem_kva_curp(fcp); |
a36c61f9 KG |
3512 | fcpim->tskim_arr = tskim; |
3513 | ||
3514 | for (i = 0; i < fcpim->num_tskim_reqs; i++, tskim++) { | |
3515 | /* | |
3516 | * initialize TSKIM | |
3517 | */ | |
6a18b167 | 3518 | memset(tskim, 0, sizeof(struct bfa_tskim_s)); |
a36c61f9 KG |
3519 | tskim->tsk_tag = i; |
3520 | tskim->bfa = fcpim->bfa; | |
3521 | tskim->fcpim = fcpim; | |
3522 | tskim->notify = BFA_FALSE; | |
3523 | bfa_reqq_winit(&tskim->reqq_wait, bfa_tskim_qresume, | |
3524 | tskim); | |
3525 | bfa_sm_set_state(tskim, bfa_tskim_sm_uninit); | |
3526 | ||
3527 | list_add_tail(&tskim->qe, &fcpim->tskim_free_q); | |
3528 | } | |
3529 | ||
4507025d | 3530 | bfa_mem_kva_curp(fcp) = (u8 *) tskim; |
a36c61f9 KG |
3531 | } |
3532 | ||
a36c61f9 KG |
3533 | void |
3534 | bfa_tskim_isr(struct bfa_s *bfa, struct bfi_msg_s *m) | |
3535 | { | |
e2187d7f | 3536 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
a36c61f9 KG |
3537 | struct bfi_tskim_rsp_s *rsp = (struct bfi_tskim_rsp_s *) m; |
3538 | struct bfa_tskim_s *tskim; | |
ba816ea8 | 3539 | u16 tsk_tag = be16_to_cpu(rsp->tsk_tag); |
a36c61f9 KG |
3540 | |
3541 | tskim = BFA_TSKIM_FROM_TAG(fcpim, tsk_tag); | |
d4b671c5 | 3542 | WARN_ON(tskim->tsk_tag != tsk_tag); |
a36c61f9 KG |
3543 | |
3544 | tskim->tsk_status = rsp->tsk_status; | |
3545 | ||
5fbe25c7 | 3546 | /* |
a36c61f9 KG |
3547 | * Firmware sends BFI_TSKIM_STS_ABORTED status for abort |
3548 | * requests. All other statuses are for normal completions. | |
3549 | */ | |
3550 | if (rsp->tsk_status == BFI_TSKIM_STS_ABORTED) { | |
3551 | bfa_stats(tskim->itnim, tm_cleanup_comps); | |
3552 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_CLEANUP_DONE); | |
3553 | } else { | |
3554 | bfa_stats(tskim->itnim, tm_fw_rsps); | |
3555 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_DONE); | |
3556 | } | |
3557 | } | |
3558 | ||
3559 | ||
a36c61f9 KG |
3560 | struct bfa_tskim_s * |
3561 | bfa_tskim_alloc(struct bfa_s *bfa, struct bfad_tskim_s *dtsk) | |
3562 | { | |
e2187d7f | 3563 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
a36c61f9 KG |
3564 | struct bfa_tskim_s *tskim; |
3565 | ||
3566 | bfa_q_deq(&fcpim->tskim_free_q, &tskim); | |
3567 | ||
3568 | if (tskim) | |
3569 | tskim->dtsk = dtsk; | |
3570 | ||
3571 | return tskim; | |
3572 | } | |
3573 | ||
3574 | void | |
3575 | bfa_tskim_free(struct bfa_tskim_s *tskim) | |
3576 | { | |
d4b671c5 | 3577 | WARN_ON(!bfa_q_is_on_q_func(&tskim->itnim->tsk_q, &tskim->qe)); |
a36c61f9 KG |
3578 | list_del(&tskim->qe); |
3579 | list_add_tail(&tskim->qe, &tskim->fcpim->tskim_free_q); | |
3580 | } | |
3581 | ||
5fbe25c7 | 3582 | /* |
da99dcc9 | 3583 | * Start a task management command. |
a36c61f9 KG |
3584 | * |
3585 | * @param[in] tskim BFA task management command instance | |
3586 | * @param[in] itnim i-t nexus for the task management command | |
3587 | * @param[in] lun lun, if applicable | |
3588 | * @param[in] tm_cmnd Task management command code. | |
3589 | * @param[in] t_secs Timeout in seconds | |
3590 | * | |
3591 | * @return None. | |
3592 | */ | |
3593 | void | |
f314878a MZ |
3594 | bfa_tskim_start(struct bfa_tskim_s *tskim, struct bfa_itnim_s *itnim, |
3595 | struct scsi_lun lun, | |
a36c61f9 KG |
3596 | enum fcp_tm_cmnd tm_cmnd, u8 tsecs) |
3597 | { | |
3598 | tskim->itnim = itnim; | |
3599 | tskim->lun = lun; | |
3600 | tskim->tm_cmnd = tm_cmnd; | |
3601 | tskim->tsecs = tsecs; | |
3602 | tskim->notify = BFA_FALSE; | |
3603 | bfa_stats(itnim, tm_cmnds); | |
3604 | ||
3605 | list_add_tail(&tskim->qe, &itnim->tsk_q); | |
3606 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_START); | |
3607 | } | |
e2187d7f | 3608 | |
3fd45980 KG |
3609 | void |
3610 | bfa_tskim_res_recfg(struct bfa_s *bfa, u16 num_tskim_fw) | |
3611 | { | |
3612 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); | |
3613 | struct list_head *qe; | |
3614 | int i; | |
3615 | ||
3616 | for (i = 0; i < (fcpim->num_tskim_reqs - num_tskim_fw); i++) { | |
3617 | bfa_q_deq_tail(&fcpim->tskim_free_q, &qe); | |
3618 | list_add_tail(qe, &fcpim->tskim_unused_q); | |
3619 | } | |
3620 | } | |
3621 | ||
e2187d7f KG |
3622 | /* BFA FCP module - parent module for fcpim */ |
3623 | ||
3624 | BFA_MODULE(fcp); | |
3625 | ||
3626 | static void | |
4507025d KG |
3627 | bfa_fcp_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo, |
3628 | struct bfa_s *bfa) | |
e2187d7f | 3629 | { |
4507025d KG |
3630 | struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); |
3631 | struct bfa_mem_kva_s *fcp_kva = BFA_MEM_FCP_KVA(bfa); | |
3632 | struct bfa_mem_dma_s *seg_ptr; | |
3633 | u16 nsegs, idx, per_seg_ios, num_io_req; | |
3634 | u32 km_len = 0; | |
e2187d7f KG |
3635 | |
3636 | /* | |
3637 | * ZERO for num_ioim_reqs and num_fwtio_reqs is allowed config value. | |
3638 | * So if the values are non zero, adjust them appropriately. | |
3639 | */ | |
3640 | if (cfg->fwcfg.num_ioim_reqs && | |
3641 | cfg->fwcfg.num_ioim_reqs < BFA_IOIM_MIN) | |
3642 | cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MIN; | |
3643 | else if (cfg->fwcfg.num_ioim_reqs > BFA_IOIM_MAX) | |
3644 | cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MAX; | |
3645 | ||
3646 | if (cfg->fwcfg.num_fwtio_reqs > BFA_FWTIO_MAX) | |
3647 | cfg->fwcfg.num_fwtio_reqs = BFA_FWTIO_MAX; | |
3648 | ||
3649 | num_io_req = (cfg->fwcfg.num_ioim_reqs + cfg->fwcfg.num_fwtio_reqs); | |
3650 | if (num_io_req > BFA_IO_MAX) { | |
3651 | if (cfg->fwcfg.num_ioim_reqs && cfg->fwcfg.num_fwtio_reqs) { | |
3652 | cfg->fwcfg.num_ioim_reqs = BFA_IO_MAX/2; | |
3653 | cfg->fwcfg.num_fwtio_reqs = BFA_IO_MAX/2; | |
3654 | } else if (cfg->fwcfg.num_fwtio_reqs) | |
3655 | cfg->fwcfg.num_fwtio_reqs = BFA_FWTIO_MAX; | |
3656 | else | |
3657 | cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MAX; | |
3658 | } | |
3659 | ||
4507025d | 3660 | bfa_fcpim_meminfo(cfg, &km_len); |
e2187d7f KG |
3661 | |
3662 | num_io_req = (cfg->fwcfg.num_ioim_reqs + cfg->fwcfg.num_fwtio_reqs); | |
4507025d KG |
3663 | km_len += num_io_req * sizeof(struct bfa_iotag_s); |
3664 | km_len += cfg->fwcfg.num_rports * sizeof(struct bfa_itn_s); | |
3665 | ||
3666 | /* dma memory */ | |
3667 | nsegs = BFI_MEM_DMA_NSEGS(num_io_req, BFI_IOIM_SNSLEN); | |
3668 | per_seg_ios = BFI_MEM_NREQS_SEG(BFI_IOIM_SNSLEN); | |
3669 | ||
3670 | bfa_mem_dma_seg_iter(fcp, seg_ptr, nsegs, idx) { | |
3671 | if (num_io_req >= per_seg_ios) { | |
3672 | num_io_req -= per_seg_ios; | |
3673 | bfa_mem_dma_setup(minfo, seg_ptr, | |
3674 | per_seg_ios * BFI_IOIM_SNSLEN); | |
3675 | } else | |
3676 | bfa_mem_dma_setup(minfo, seg_ptr, | |
3677 | num_io_req * BFI_IOIM_SNSLEN); | |
3678 | } | |
3679 | ||
3680 | /* kva memory */ | |
3681 | bfa_mem_kva_setup(minfo, fcp_kva, km_len); | |
e2187d7f KG |
3682 | } |
3683 | ||
3684 | static void | |
3685 | bfa_fcp_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, | |
4507025d | 3686 | struct bfa_pcidev_s *pcidev) |
e2187d7f KG |
3687 | { |
3688 | struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); | |
4507025d KG |
3689 | struct bfa_mem_dma_s *seg_ptr; |
3690 | u16 idx, nsegs, num_io_req; | |
e2187d7f KG |
3691 | |
3692 | fcp->num_ioim_reqs = cfg->fwcfg.num_ioim_reqs; | |
3693 | fcp->num_fwtio_reqs = cfg->fwcfg.num_fwtio_reqs; | |
4507025d | 3694 | fcp->num_itns = cfg->fwcfg.num_rports; |
e2187d7f KG |
3695 | fcp->bfa = bfa; |
3696 | ||
4507025d KG |
3697 | /* |
3698 | * Setup the pool of snsbase addr's, that is passed to fw as | |
3699 | * part of bfi_iocfc_cfg_s. | |
3700 | */ | |
3701 | num_io_req = (cfg->fwcfg.num_ioim_reqs + cfg->fwcfg.num_fwtio_reqs); | |
3702 | nsegs = BFI_MEM_DMA_NSEGS(num_io_req, BFI_IOIM_SNSLEN); | |
3703 | ||
3704 | bfa_mem_dma_seg_iter(fcp, seg_ptr, nsegs, idx) { | |
3705 | ||
3706 | if (!bfa_mem_dma_virt(seg_ptr)) | |
3707 | break; | |
3708 | ||
3709 | fcp->snsbase[idx].pa = bfa_mem_dma_phys(seg_ptr); | |
3710 | fcp->snsbase[idx].kva = bfa_mem_dma_virt(seg_ptr); | |
3711 | bfa_iocfc_set_snsbase(bfa, idx, fcp->snsbase[idx].pa); | |
3712 | } | |
e2187d7f | 3713 | |
4507025d | 3714 | bfa_fcpim_attach(fcp, bfad, cfg, pcidev); |
e2187d7f | 3715 | |
4507025d | 3716 | bfa_iotag_attach(fcp); |
e2187d7f | 3717 | |
4507025d KG |
3718 | fcp->itn_arr = (struct bfa_itn_s *) bfa_mem_kva_curp(fcp); |
3719 | bfa_mem_kva_curp(fcp) = (u8 *)fcp->itn_arr + | |
e2187d7f KG |
3720 | (fcp->num_itns * sizeof(struct bfa_itn_s)); |
3721 | memset(fcp->itn_arr, 0, | |
3722 | (fcp->num_itns * sizeof(struct bfa_itn_s))); | |
e2187d7f KG |
3723 | } |
3724 | ||
3725 | static void | |
3726 | bfa_fcp_detach(struct bfa_s *bfa) | |
3727 | { | |
3728 | } | |
3729 | ||
3730 | static void | |
3731 | bfa_fcp_start(struct bfa_s *bfa) | |
3732 | { | |
83763d59 KG |
3733 | struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); |
3734 | ||
3735 | /* | |
3736 | * bfa_init() with flash read is complete. now invalidate the stale | |
3737 | * content of lun mask like unit attention, rp tag and lp tag. | |
3738 | */ | |
3739 | bfa_ioim_lm_init(fcp->bfa); | |
e2187d7f KG |
3740 | } |
3741 | ||
3742 | static void | |
3743 | bfa_fcp_stop(struct bfa_s *bfa) | |
3744 | { | |
3745 | } | |
3746 | ||
3747 | static void | |
3748 | bfa_fcp_iocdisable(struct bfa_s *bfa) | |
3749 | { | |
3750 | struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); | |
3751 | ||
3fd45980 KG |
3752 | /* Enqueue unused ioim resources to free_q */ |
3753 | list_splice_tail_init(&fcp->iotag_unused_q, &fcp->iotag_ioim_free_q); | |
3754 | ||
e2187d7f KG |
3755 | bfa_fcpim_iocdisable(fcp); |
3756 | } | |
3757 | ||
3fd45980 KG |
3758 | void |
3759 | bfa_fcp_res_recfg(struct bfa_s *bfa, u16 num_ioim_fw) | |
3760 | { | |
3761 | struct bfa_fcp_mod_s *mod = BFA_FCP_MOD(bfa); | |
3762 | struct list_head *qe; | |
3763 | int i; | |
3764 | ||
3765 | for (i = 0; i < (mod->num_ioim_reqs - num_ioim_fw); i++) { | |
3766 | bfa_q_deq_tail(&mod->iotag_ioim_free_q, &qe); | |
3767 | list_add_tail(qe, &mod->iotag_unused_q); | |
3768 | } | |
3769 | } | |
3770 | ||
e2187d7f KG |
3771 | void |
3772 | bfa_itn_create(struct bfa_s *bfa, struct bfa_rport_s *rport, | |
3773 | void (*isr)(struct bfa_s *bfa, struct bfi_msg_s *m)) | |
3774 | { | |
3775 | struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); | |
3776 | struct bfa_itn_s *itn; | |
3777 | ||
3778 | itn = BFA_ITN_FROM_TAG(fcp, rport->rport_tag); | |
3779 | itn->isr = isr; | |
3780 | } | |
3781 | ||
3782 | /* | |
3783 | * Itn interrupt processing. | |
3784 | */ | |
3785 | void | |
3786 | bfa_itn_isr(struct bfa_s *bfa, struct bfi_msg_s *m) | |
3787 | { | |
3788 | struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); | |
3789 | union bfi_itn_i2h_msg_u msg; | |
3790 | struct bfa_itn_s *itn; | |
3791 | ||
3792 | msg.msg = m; | |
3793 | itn = BFA_ITN_FROM_TAG(fcp, msg.create_rsp->bfa_handle); | |
3794 | ||
3795 | if (itn->isr) | |
3796 | itn->isr(bfa, m); | |
3797 | else | |
3798 | WARN_ON(1); | |
3799 | } | |
3800 | ||
3801 | void | |
4507025d | 3802 | bfa_iotag_attach(struct bfa_fcp_mod_s *fcp) |
e2187d7f KG |
3803 | { |
3804 | struct bfa_iotag_s *iotag; | |
3805 | u16 num_io_req, i; | |
3806 | ||
4507025d | 3807 | iotag = (struct bfa_iotag_s *) bfa_mem_kva_curp(fcp); |
e2187d7f KG |
3808 | fcp->iotag_arr = iotag; |
3809 | ||
3810 | INIT_LIST_HEAD(&fcp->iotag_ioim_free_q); | |
3811 | INIT_LIST_HEAD(&fcp->iotag_tio_free_q); | |
3fd45980 | 3812 | INIT_LIST_HEAD(&fcp->iotag_unused_q); |
e2187d7f KG |
3813 | |
3814 | num_io_req = fcp->num_ioim_reqs + fcp->num_fwtio_reqs; | |
3815 | for (i = 0; i < num_io_req; i++, iotag++) { | |
3816 | memset(iotag, 0, sizeof(struct bfa_iotag_s)); | |
3817 | iotag->tag = i; | |
3818 | if (i < fcp->num_ioim_reqs) | |
3819 | list_add_tail(&iotag->qe, &fcp->iotag_ioim_free_q); | |
3820 | else | |
3821 | list_add_tail(&iotag->qe, &fcp->iotag_tio_free_q); | |
3822 | } | |
3823 | ||
4507025d | 3824 | bfa_mem_kva_curp(fcp) = (u8 *) iotag; |
e2187d7f | 3825 | } |