Commit | Line | Data |
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52fa7bf9 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
7725ccfd | 2 | /* |
889d0d42 AG |
3 | * Copyright (c) 2005-2014 Brocade Communications Systems, Inc. |
4 | * Copyright (c) 2014- QLogic Corporation. | |
7725ccfd | 5 | * All rights reserved |
889d0d42 | 6 | * www.qlogic.com |
7725ccfd | 7 | * |
31e1d569 | 8 | * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter. |
7725ccfd JH |
9 | */ |
10 | ||
f16a1750 | 11 | #include "bfad_drv.h" |
a36c61f9 | 12 | #include "bfa_modules.h" |
7725ccfd JH |
13 | |
14 | BFA_TRC_FILE(HAL, FCPIM); | |
7725ccfd | 15 | |
5fbe25c7 | 16 | /* |
a36c61f9 KG |
17 | * BFA ITNIM Related definitions |
18 | */ | |
19 | static void bfa_itnim_update_del_itn_stats(struct bfa_itnim_s *itnim); | |
20 | ||
21 | #define BFA_ITNIM_FROM_TAG(_fcpim, _tag) \ | |
22 | (((_fcpim)->itnim_arr + ((_tag) & ((_fcpim)->num_itnims - 1)))) | |
23 | ||
24 | #define bfa_fcpim_additn(__itnim) \ | |
25 | list_add_tail(&(__itnim)->qe, &(__itnim)->fcpim->itnim_q) | |
26 | #define bfa_fcpim_delitn(__itnim) do { \ | |
d4b671c5 | 27 | WARN_ON(!bfa_q_is_on_q(&(__itnim)->fcpim->itnim_q, __itnim)); \ |
a36c61f9 KG |
28 | bfa_itnim_update_del_itn_stats(__itnim); \ |
29 | list_del(&(__itnim)->qe); \ | |
d4b671c5 JH |
30 | WARN_ON(!list_empty(&(__itnim)->io_q)); \ |
31 | WARN_ON(!list_empty(&(__itnim)->io_cleanup_q)); \ | |
32 | WARN_ON(!list_empty(&(__itnim)->pending_q)); \ | |
a36c61f9 KG |
33 | } while (0) |
34 | ||
35 | #define bfa_itnim_online_cb(__itnim) do { \ | |
36 | if ((__itnim)->bfa->fcs) \ | |
37 | bfa_cb_itnim_online((__itnim)->ditn); \ | |
38 | else { \ | |
39 | bfa_cb_queue((__itnim)->bfa, &(__itnim)->hcb_qe, \ | |
40 | __bfa_cb_itnim_online, (__itnim)); \ | |
41 | } \ | |
42 | } while (0) | |
43 | ||
44 | #define bfa_itnim_offline_cb(__itnim) do { \ | |
45 | if ((__itnim)->bfa->fcs) \ | |
46 | bfa_cb_itnim_offline((__itnim)->ditn); \ | |
47 | else { \ | |
48 | bfa_cb_queue((__itnim)->bfa, &(__itnim)->hcb_qe, \ | |
49 | __bfa_cb_itnim_offline, (__itnim)); \ | |
50 | } \ | |
51 | } while (0) | |
52 | ||
53 | #define bfa_itnim_sler_cb(__itnim) do { \ | |
54 | if ((__itnim)->bfa->fcs) \ | |
55 | bfa_cb_itnim_sler((__itnim)->ditn); \ | |
56 | else { \ | |
57 | bfa_cb_queue((__itnim)->bfa, &(__itnim)->hcb_qe, \ | |
58 | __bfa_cb_itnim_sler, (__itnim)); \ | |
59 | } \ | |
60 | } while (0) | |
61 | ||
83763d59 KG |
62 | enum bfa_ioim_lm_ua_status { |
63 | BFA_IOIM_LM_UA_RESET = 0, | |
64 | BFA_IOIM_LM_UA_SET = 1, | |
65 | }; | |
66 | ||
5fbe25c7 | 67 | /* |
da99dcc9 | 68 | * itnim state machine event |
a36c61f9 | 69 | */ |
a36c61f9 KG |
70 | enum bfa_itnim_event { |
71 | BFA_ITNIM_SM_CREATE = 1, /* itnim is created */ | |
72 | BFA_ITNIM_SM_ONLINE = 2, /* itnim is online */ | |
73 | BFA_ITNIM_SM_OFFLINE = 3, /* itnim is offline */ | |
74 | BFA_ITNIM_SM_FWRSP = 4, /* firmware response */ | |
75 | BFA_ITNIM_SM_DELETE = 5, /* deleting an existing itnim */ | |
76 | BFA_ITNIM_SM_CLEANUP = 6, /* IO cleanup completion */ | |
77 | BFA_ITNIM_SM_SLER = 7, /* second level error recovery */ | |
78 | BFA_ITNIM_SM_HWFAIL = 8, /* IOC h/w failure event */ | |
79 | BFA_ITNIM_SM_QRESUME = 9, /* queue space available */ | |
80 | }; | |
81 | ||
5fbe25c7 | 82 | /* |
a36c61f9 KG |
83 | * BFA IOIM related definitions |
84 | */ | |
85 | #define bfa_ioim_move_to_comp_q(__ioim) do { \ | |
86 | list_del(&(__ioim)->qe); \ | |
87 | list_add_tail(&(__ioim)->qe, &(__ioim)->fcpim->ioim_comp_q); \ | |
88 | } while (0) | |
89 | ||
90 | ||
91 | #define bfa_ioim_cb_profile_comp(__fcpim, __ioim) do { \ | |
92 | if ((__fcpim)->profile_comp) \ | |
93 | (__fcpim)->profile_comp(__ioim); \ | |
94 | } while (0) | |
95 | ||
96 | #define bfa_ioim_cb_profile_start(__fcpim, __ioim) do { \ | |
97 | if ((__fcpim)->profile_start) \ | |
98 | (__fcpim)->profile_start(__ioim); \ | |
99 | } while (0) | |
a36c61f9 | 100 | |
5fbe25c7 | 101 | /* |
a36c61f9 KG |
102 | * IO state machine events |
103 | */ | |
104 | enum bfa_ioim_event { | |
105 | BFA_IOIM_SM_START = 1, /* io start request from host */ | |
106 | BFA_IOIM_SM_COMP_GOOD = 2, /* io good comp, resource free */ | |
107 | BFA_IOIM_SM_COMP = 3, /* io comp, resource is free */ | |
108 | BFA_IOIM_SM_COMP_UTAG = 4, /* io comp, resource is free */ | |
109 | BFA_IOIM_SM_DONE = 5, /* io comp, resource not free */ | |
110 | BFA_IOIM_SM_FREE = 6, /* io resource is freed */ | |
111 | BFA_IOIM_SM_ABORT = 7, /* abort request from scsi stack */ | |
112 | BFA_IOIM_SM_ABORT_COMP = 8, /* abort from f/w */ | |
113 | BFA_IOIM_SM_ABORT_DONE = 9, /* abort completion from f/w */ | |
114 | BFA_IOIM_SM_QRESUME = 10, /* CQ space available to queue IO */ | |
115 | BFA_IOIM_SM_SGALLOCED = 11, /* SG page allocation successful */ | |
116 | BFA_IOIM_SM_SQRETRY = 12, /* sequence recovery retry */ | |
117 | BFA_IOIM_SM_HCB = 13, /* bfa callback complete */ | |
118 | BFA_IOIM_SM_CLEANUP = 14, /* IO cleanup from itnim */ | |
119 | BFA_IOIM_SM_TMSTART = 15, /* IO cleanup from tskim */ | |
120 | BFA_IOIM_SM_TMDONE = 16, /* IO cleanup from tskim */ | |
121 | BFA_IOIM_SM_HWFAIL = 17, /* IOC h/w failure event */ | |
122 | BFA_IOIM_SM_IOTOV = 18, /* ITN offline TOV */ | |
123 | }; | |
124 | ||
125 | ||
5fbe25c7 | 126 | /* |
a36c61f9 KG |
127 | * BFA TSKIM related definitions |
128 | */ | |
129 | ||
5fbe25c7 | 130 | /* |
a36c61f9 KG |
131 | * task management completion handling |
132 | */ | |
133 | #define bfa_tskim_qcomp(__tskim, __cbfn) do { \ | |
134 | bfa_cb_queue((__tskim)->bfa, &(__tskim)->hcb_qe, __cbfn, (__tskim));\ | |
135 | bfa_tskim_notify_comp(__tskim); \ | |
136 | } while (0) | |
137 | ||
138 | #define bfa_tskim_notify_comp(__tskim) do { \ | |
139 | if ((__tskim)->notify) \ | |
140 | bfa_itnim_tskdone((__tskim)->itnim); \ | |
141 | } while (0) | |
142 | ||
143 | ||
144 | enum bfa_tskim_event { | |
145 | BFA_TSKIM_SM_START = 1, /* TM command start */ | |
146 | BFA_TSKIM_SM_DONE = 2, /* TM completion */ | |
147 | BFA_TSKIM_SM_QRESUME = 3, /* resume after qfull */ | |
148 | BFA_TSKIM_SM_HWFAIL = 5, /* IOC h/w failure event */ | |
149 | BFA_TSKIM_SM_HCB = 6, /* BFA callback completion */ | |
150 | BFA_TSKIM_SM_IOS_DONE = 7, /* IO and sub TM completions */ | |
151 | BFA_TSKIM_SM_CLEANUP = 8, /* TM cleanup on ITN offline */ | |
152 | BFA_TSKIM_SM_CLEANUP_DONE = 9, /* TM abort completion */ | |
1306e31d | 153 | BFA_TSKIM_SM_UTAG = 10, /* TM completion unknown tag */ |
a36c61f9 KG |
154 | }; |
155 | ||
5fbe25c7 | 156 | /* |
a36c61f9 KG |
157 | * forward declaration for BFA ITNIM functions |
158 | */ | |
159 | static void bfa_itnim_iocdisable_cleanup(struct bfa_itnim_s *itnim); | |
160 | static bfa_boolean_t bfa_itnim_send_fwcreate(struct bfa_itnim_s *itnim); | |
161 | static bfa_boolean_t bfa_itnim_send_fwdelete(struct bfa_itnim_s *itnim); | |
162 | static void bfa_itnim_cleanp_comp(void *itnim_cbarg); | |
163 | static void bfa_itnim_cleanup(struct bfa_itnim_s *itnim); | |
164 | static void __bfa_cb_itnim_online(void *cbarg, bfa_boolean_t complete); | |
165 | static void __bfa_cb_itnim_offline(void *cbarg, bfa_boolean_t complete); | |
166 | static void __bfa_cb_itnim_sler(void *cbarg, bfa_boolean_t complete); | |
167 | static void bfa_itnim_iotov_online(struct bfa_itnim_s *itnim); | |
168 | static void bfa_itnim_iotov_cleanup(struct bfa_itnim_s *itnim); | |
169 | static void bfa_itnim_iotov(void *itnim_arg); | |
170 | static void bfa_itnim_iotov_start(struct bfa_itnim_s *itnim); | |
171 | static void bfa_itnim_iotov_stop(struct bfa_itnim_s *itnim); | |
172 | static void bfa_itnim_iotov_delete(struct bfa_itnim_s *itnim); | |
173 | ||
5fbe25c7 | 174 | /* |
a36c61f9 KG |
175 | * forward declaration of ITNIM state machine |
176 | */ | |
177 | static void bfa_itnim_sm_uninit(struct bfa_itnim_s *itnim, | |
178 | enum bfa_itnim_event event); | |
179 | static void bfa_itnim_sm_created(struct bfa_itnim_s *itnim, | |
180 | enum bfa_itnim_event event); | |
181 | static void bfa_itnim_sm_fwcreate(struct bfa_itnim_s *itnim, | |
182 | enum bfa_itnim_event event); | |
183 | static void bfa_itnim_sm_delete_pending(struct bfa_itnim_s *itnim, | |
184 | enum bfa_itnim_event event); | |
185 | static void bfa_itnim_sm_online(struct bfa_itnim_s *itnim, | |
186 | enum bfa_itnim_event event); | |
187 | static void bfa_itnim_sm_sler(struct bfa_itnim_s *itnim, | |
188 | enum bfa_itnim_event event); | |
189 | static void bfa_itnim_sm_cleanup_offline(struct bfa_itnim_s *itnim, | |
190 | enum bfa_itnim_event event); | |
191 | static void bfa_itnim_sm_cleanup_delete(struct bfa_itnim_s *itnim, | |
192 | enum bfa_itnim_event event); | |
193 | static void bfa_itnim_sm_fwdelete(struct bfa_itnim_s *itnim, | |
194 | enum bfa_itnim_event event); | |
195 | static void bfa_itnim_sm_offline(struct bfa_itnim_s *itnim, | |
196 | enum bfa_itnim_event event); | |
197 | static void bfa_itnim_sm_iocdisable(struct bfa_itnim_s *itnim, | |
198 | enum bfa_itnim_event event); | |
199 | static void bfa_itnim_sm_deleting(struct bfa_itnim_s *itnim, | |
200 | enum bfa_itnim_event event); | |
201 | static void bfa_itnim_sm_fwcreate_qfull(struct bfa_itnim_s *itnim, | |
202 | enum bfa_itnim_event event); | |
203 | static void bfa_itnim_sm_fwdelete_qfull(struct bfa_itnim_s *itnim, | |
204 | enum bfa_itnim_event event); | |
205 | static void bfa_itnim_sm_deleting_qfull(struct bfa_itnim_s *itnim, | |
206 | enum bfa_itnim_event event); | |
207 | ||
5fbe25c7 | 208 | /* |
a36c61f9 KG |
209 | * forward declaration for BFA IOIM functions |
210 | */ | |
211 | static bfa_boolean_t bfa_ioim_send_ioreq(struct bfa_ioim_s *ioim); | |
e3e7d3ee | 212 | static bfa_boolean_t bfa_ioim_sgpg_alloc(struct bfa_ioim_s *ioim); |
a36c61f9 KG |
213 | static bfa_boolean_t bfa_ioim_send_abort(struct bfa_ioim_s *ioim); |
214 | static void bfa_ioim_notify_cleanup(struct bfa_ioim_s *ioim); | |
215 | static void __bfa_cb_ioim_good_comp(void *cbarg, bfa_boolean_t complete); | |
216 | static void __bfa_cb_ioim_comp(void *cbarg, bfa_boolean_t complete); | |
217 | static void __bfa_cb_ioim_abort(void *cbarg, bfa_boolean_t complete); | |
218 | static void __bfa_cb_ioim_failed(void *cbarg, bfa_boolean_t complete); | |
219 | static void __bfa_cb_ioim_pathtov(void *cbarg, bfa_boolean_t complete); | |
220 | static bfa_boolean_t bfa_ioim_is_abortable(struct bfa_ioim_s *ioim); | |
221 | ||
5fbe25c7 | 222 | /* |
a36c61f9 KG |
223 | * forward declaration of BFA IO state machine |
224 | */ | |
225 | static void bfa_ioim_sm_uninit(struct bfa_ioim_s *ioim, | |
226 | enum bfa_ioim_event event); | |
227 | static void bfa_ioim_sm_sgalloc(struct bfa_ioim_s *ioim, | |
228 | enum bfa_ioim_event event); | |
229 | static void bfa_ioim_sm_active(struct bfa_ioim_s *ioim, | |
230 | enum bfa_ioim_event event); | |
231 | static void bfa_ioim_sm_abort(struct bfa_ioim_s *ioim, | |
232 | enum bfa_ioim_event event); | |
233 | static void bfa_ioim_sm_cleanup(struct bfa_ioim_s *ioim, | |
234 | enum bfa_ioim_event event); | |
235 | static void bfa_ioim_sm_qfull(struct bfa_ioim_s *ioim, | |
236 | enum bfa_ioim_event event); | |
237 | static void bfa_ioim_sm_abort_qfull(struct bfa_ioim_s *ioim, | |
238 | enum bfa_ioim_event event); | |
239 | static void bfa_ioim_sm_cleanup_qfull(struct bfa_ioim_s *ioim, | |
240 | enum bfa_ioim_event event); | |
241 | static void bfa_ioim_sm_hcb(struct bfa_ioim_s *ioim, | |
242 | enum bfa_ioim_event event); | |
243 | static void bfa_ioim_sm_hcb_free(struct bfa_ioim_s *ioim, | |
244 | enum bfa_ioim_event event); | |
245 | static void bfa_ioim_sm_resfree(struct bfa_ioim_s *ioim, | |
246 | enum bfa_ioim_event event); | |
247 | static void bfa_ioim_sm_cmnd_retry(struct bfa_ioim_s *ioim, | |
248 | enum bfa_ioim_event event); | |
5fbe25c7 | 249 | /* |
a36c61f9 KG |
250 | * forward declaration for BFA TSKIM functions |
251 | */ | |
252 | static void __bfa_cb_tskim_done(void *cbarg, bfa_boolean_t complete); | |
253 | static void __bfa_cb_tskim_failed(void *cbarg, bfa_boolean_t complete); | |
254 | static bfa_boolean_t bfa_tskim_match_scope(struct bfa_tskim_s *tskim, | |
f314878a | 255 | struct scsi_lun lun); |
a36c61f9 KG |
256 | static void bfa_tskim_gather_ios(struct bfa_tskim_s *tskim); |
257 | static void bfa_tskim_cleanp_comp(void *tskim_cbarg); | |
258 | static void bfa_tskim_cleanup_ios(struct bfa_tskim_s *tskim); | |
259 | static bfa_boolean_t bfa_tskim_send(struct bfa_tskim_s *tskim); | |
260 | static bfa_boolean_t bfa_tskim_send_abort(struct bfa_tskim_s *tskim); | |
261 | static void bfa_tskim_iocdisable_ios(struct bfa_tskim_s *tskim); | |
262 | ||
5fbe25c7 | 263 | /* |
a36c61f9 KG |
264 | * forward declaration of BFA TSKIM state machine |
265 | */ | |
266 | static void bfa_tskim_sm_uninit(struct bfa_tskim_s *tskim, | |
267 | enum bfa_tskim_event event); | |
268 | static void bfa_tskim_sm_active(struct bfa_tskim_s *tskim, | |
269 | enum bfa_tskim_event event); | |
270 | static void bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim, | |
271 | enum bfa_tskim_event event); | |
272 | static void bfa_tskim_sm_iocleanup(struct bfa_tskim_s *tskim, | |
273 | enum bfa_tskim_event event); | |
274 | static void bfa_tskim_sm_qfull(struct bfa_tskim_s *tskim, | |
275 | enum bfa_tskim_event event); | |
276 | static void bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim, | |
277 | enum bfa_tskim_event event); | |
278 | static void bfa_tskim_sm_hcb(struct bfa_tskim_s *tskim, | |
279 | enum bfa_tskim_event event); | |
5fbe25c7 | 280 | /* |
df0f1933 | 281 | * BFA FCP Initiator Mode module |
7725ccfd JH |
282 | */ |
283 | ||
5fbe25c7 | 284 | /* |
da99dcc9 | 285 | * Compute and return memory needed by FCP(im) module. |
7725ccfd JH |
286 | */ |
287 | static void | |
4507025d | 288 | bfa_fcpim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len) |
7725ccfd | 289 | { |
4507025d | 290 | bfa_itnim_meminfo(cfg, km_len); |
7725ccfd | 291 | |
5fbe25c7 | 292 | /* |
7725ccfd JH |
293 | * IO memory |
294 | */ | |
7725ccfd JH |
295 | *km_len += cfg->fwcfg.num_ioim_reqs * |
296 | (sizeof(struct bfa_ioim_s) + sizeof(struct bfa_ioim_sp_s)); | |
297 | ||
5fbe25c7 | 298 | /* |
7725ccfd JH |
299 | * task management command memory |
300 | */ | |
301 | if (cfg->fwcfg.num_tskim_reqs < BFA_TSKIM_MIN) | |
302 | cfg->fwcfg.num_tskim_reqs = BFA_TSKIM_MIN; | |
303 | *km_len += cfg->fwcfg.num_tskim_reqs * sizeof(struct bfa_tskim_s); | |
304 | } | |
305 | ||
306 | ||
307 | static void | |
e2187d7f | 308 | bfa_fcpim_attach(struct bfa_fcp_mod_s *fcp, void *bfad, |
4507025d | 309 | struct bfa_iocfc_cfg_s *cfg, struct bfa_pcidev_s *pcidev) |
7725ccfd | 310 | { |
e2187d7f KG |
311 | struct bfa_fcpim_s *fcpim = &fcp->fcpim; |
312 | struct bfa_s *bfa = fcp->bfa; | |
7725ccfd JH |
313 | |
314 | bfa_trc(bfa, cfg->drvcfg.path_tov); | |
315 | bfa_trc(bfa, cfg->fwcfg.num_rports); | |
316 | bfa_trc(bfa, cfg->fwcfg.num_ioim_reqs); | |
317 | bfa_trc(bfa, cfg->fwcfg.num_tskim_reqs); | |
318 | ||
e2187d7f | 319 | fcpim->fcp = fcp; |
a36c61f9 KG |
320 | fcpim->bfa = bfa; |
321 | fcpim->num_itnims = cfg->fwcfg.num_rports; | |
7725ccfd | 322 | fcpim->num_tskim_reqs = cfg->fwcfg.num_tskim_reqs; |
a36c61f9 KG |
323 | fcpim->path_tov = cfg->drvcfg.path_tov; |
324 | fcpim->delay_comp = cfg->drvcfg.delay_comp; | |
325 | fcpim->profile_comp = NULL; | |
326 | fcpim->profile_start = NULL; | |
7725ccfd | 327 | |
4507025d KG |
328 | bfa_itnim_attach(fcpim); |
329 | bfa_tskim_attach(fcpim); | |
330 | bfa_ioim_attach(fcpim); | |
7725ccfd JH |
331 | } |
332 | ||
c7c3524c | 333 | void |
e2187d7f | 334 | bfa_fcpim_iocdisable(struct bfa_fcp_mod_s *fcp) |
7725ccfd | 335 | { |
e2187d7f | 336 | struct bfa_fcpim_s *fcpim = &fcp->fcpim; |
7725ccfd | 337 | struct bfa_itnim_s *itnim; |
a36c61f9 | 338 | struct list_head *qe, *qen; |
7725ccfd | 339 | |
3fd45980 KG |
340 | /* Enqueue unused ioim resources to free_q */ |
341 | list_splice_tail_init(&fcpim->tskim_unused_q, &fcpim->tskim_free_q); | |
342 | ||
7725ccfd JH |
343 | list_for_each_safe(qe, qen, &fcpim->itnim_q) { |
344 | itnim = (struct bfa_itnim_s *) qe; | |
345 | bfa_itnim_iocdisable(itnim); | |
346 | } | |
347 | } | |
348 | ||
349 | void | |
350 | bfa_fcpim_path_tov_set(struct bfa_s *bfa, u16 path_tov) | |
351 | { | |
e2187d7f | 352 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
7725ccfd JH |
353 | |
354 | fcpim->path_tov = path_tov * 1000; | |
355 | if (fcpim->path_tov > BFA_FCPIM_PATHTOV_MAX) | |
356 | fcpim->path_tov = BFA_FCPIM_PATHTOV_MAX; | |
357 | } | |
358 | ||
359 | u16 | |
360 | bfa_fcpim_path_tov_get(struct bfa_s *bfa) | |
361 | { | |
e2187d7f | 362 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
7725ccfd | 363 | |
f8ceafde | 364 | return fcpim->path_tov / 1000; |
7725ccfd JH |
365 | } |
366 | ||
60138066 KG |
367 | #define bfa_fcpim_add_iostats(__l, __r, __stats) \ |
368 | (__l->__stats += __r->__stats) | |
369 | ||
370 | void | |
371 | bfa_fcpim_add_stats(struct bfa_itnim_iostats_s *lstats, | |
372 | struct bfa_itnim_iostats_s *rstats) | |
373 | { | |
374 | bfa_fcpim_add_iostats(lstats, rstats, total_ios); | |
375 | bfa_fcpim_add_iostats(lstats, rstats, qresumes); | |
376 | bfa_fcpim_add_iostats(lstats, rstats, no_iotags); | |
377 | bfa_fcpim_add_iostats(lstats, rstats, io_aborts); | |
378 | bfa_fcpim_add_iostats(lstats, rstats, no_tskims); | |
379 | bfa_fcpim_add_iostats(lstats, rstats, iocomp_ok); | |
380 | bfa_fcpim_add_iostats(lstats, rstats, iocomp_underrun); | |
381 | bfa_fcpim_add_iostats(lstats, rstats, iocomp_overrun); | |
382 | bfa_fcpim_add_iostats(lstats, rstats, iocomp_aborted); | |
383 | bfa_fcpim_add_iostats(lstats, rstats, iocomp_timedout); | |
384 | bfa_fcpim_add_iostats(lstats, rstats, iocom_nexus_abort); | |
385 | bfa_fcpim_add_iostats(lstats, rstats, iocom_proto_err); | |
386 | bfa_fcpim_add_iostats(lstats, rstats, iocom_dif_err); | |
387 | bfa_fcpim_add_iostats(lstats, rstats, iocom_sqer_needed); | |
388 | bfa_fcpim_add_iostats(lstats, rstats, iocom_res_free); | |
389 | bfa_fcpim_add_iostats(lstats, rstats, iocom_hostabrts); | |
390 | bfa_fcpim_add_iostats(lstats, rstats, iocom_utags); | |
391 | bfa_fcpim_add_iostats(lstats, rstats, io_cleanups); | |
392 | bfa_fcpim_add_iostats(lstats, rstats, io_tmaborts); | |
393 | bfa_fcpim_add_iostats(lstats, rstats, onlines); | |
394 | bfa_fcpim_add_iostats(lstats, rstats, offlines); | |
395 | bfa_fcpim_add_iostats(lstats, rstats, creates); | |
396 | bfa_fcpim_add_iostats(lstats, rstats, deletes); | |
397 | bfa_fcpim_add_iostats(lstats, rstats, create_comps); | |
398 | bfa_fcpim_add_iostats(lstats, rstats, delete_comps); | |
399 | bfa_fcpim_add_iostats(lstats, rstats, sler_events); | |
400 | bfa_fcpim_add_iostats(lstats, rstats, fw_create); | |
401 | bfa_fcpim_add_iostats(lstats, rstats, fw_delete); | |
402 | bfa_fcpim_add_iostats(lstats, rstats, ioc_disabled); | |
403 | bfa_fcpim_add_iostats(lstats, rstats, cleanup_comps); | |
404 | bfa_fcpim_add_iostats(lstats, rstats, tm_cmnds); | |
405 | bfa_fcpim_add_iostats(lstats, rstats, tm_fw_rsps); | |
406 | bfa_fcpim_add_iostats(lstats, rstats, tm_success); | |
407 | bfa_fcpim_add_iostats(lstats, rstats, tm_failures); | |
408 | bfa_fcpim_add_iostats(lstats, rstats, tm_io_comps); | |
409 | bfa_fcpim_add_iostats(lstats, rstats, tm_qresumes); | |
410 | bfa_fcpim_add_iostats(lstats, rstats, tm_iocdowns); | |
411 | bfa_fcpim_add_iostats(lstats, rstats, tm_cleanups); | |
412 | bfa_fcpim_add_iostats(lstats, rstats, tm_cleanup_comps); | |
413 | bfa_fcpim_add_iostats(lstats, rstats, io_comps); | |
414 | bfa_fcpim_add_iostats(lstats, rstats, input_reqs); | |
415 | bfa_fcpim_add_iostats(lstats, rstats, output_reqs); | |
416 | bfa_fcpim_add_iostats(lstats, rstats, rd_throughput); | |
417 | bfa_fcpim_add_iostats(lstats, rstats, wr_throughput); | |
418 | } | |
419 | ||
420 | bfa_status_t | |
421 | bfa_fcpim_port_iostats(struct bfa_s *bfa, | |
422 | struct bfa_itnim_iostats_s *stats, u8 lp_tag) | |
423 | { | |
424 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); | |
425 | struct list_head *qe, *qen; | |
426 | struct bfa_itnim_s *itnim; | |
427 | ||
428 | /* accumulate IO stats from itnim */ | |
429 | memset(stats, 0, sizeof(struct bfa_itnim_iostats_s)); | |
430 | list_for_each_safe(qe, qen, &fcpim->itnim_q) { | |
431 | itnim = (struct bfa_itnim_s *) qe; | |
432 | if (itnim->rport->rport_info.lp_tag != lp_tag) | |
433 | continue; | |
434 | bfa_fcpim_add_stats(stats, &(itnim->stats)); | |
435 | } | |
436 | return BFA_STATUS_OK; | |
437 | } | |
438 | ||
84a2fd23 | 439 | static void |
42a8e6e2 KG |
440 | bfa_ioim_profile_comp(struct bfa_ioim_s *ioim) |
441 | { | |
442 | struct bfa_itnim_latency_s *io_lat = | |
443 | &(ioim->itnim->ioprofile.io_latency); | |
444 | u32 val, idx; | |
445 | ||
446 | val = (u32)(jiffies - ioim->start_time); | |
447 | idx = bfa_ioim_get_index(scsi_bufflen((struct scsi_cmnd *)ioim->dio)); | |
448 | bfa_itnim_ioprofile_update(ioim->itnim, idx); | |
449 | ||
450 | io_lat->count[idx]++; | |
451 | io_lat->min[idx] = (io_lat->min[idx] < val) ? io_lat->min[idx] : val; | |
452 | io_lat->max[idx] = (io_lat->max[idx] > val) ? io_lat->max[idx] : val; | |
453 | io_lat->avg[idx] += val; | |
454 | } | |
455 | ||
84a2fd23 | 456 | static void |
42a8e6e2 KG |
457 | bfa_ioim_profile_start(struct bfa_ioim_s *ioim) |
458 | { | |
459 | ioim->start_time = jiffies; | |
460 | } | |
461 | ||
462 | bfa_status_t | |
aa22a52e | 463 | bfa_fcpim_profile_on(struct bfa_s *bfa, time64_t time) |
42a8e6e2 KG |
464 | { |
465 | struct bfa_itnim_s *itnim; | |
466 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); | |
467 | struct list_head *qe, *qen; | |
468 | ||
469 | /* accumulate IO stats from itnim */ | |
470 | list_for_each_safe(qe, qen, &fcpim->itnim_q) { | |
471 | itnim = (struct bfa_itnim_s *) qe; | |
472 | bfa_itnim_clear_stats(itnim); | |
473 | } | |
474 | fcpim->io_profile = BFA_TRUE; | |
475 | fcpim->io_profile_start_time = time; | |
476 | fcpim->profile_comp = bfa_ioim_profile_comp; | |
477 | fcpim->profile_start = bfa_ioim_profile_start; | |
478 | return BFA_STATUS_OK; | |
479 | } | |
480 | ||
481 | bfa_status_t | |
482 | bfa_fcpim_profile_off(struct bfa_s *bfa) | |
483 | { | |
484 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); | |
485 | fcpim->io_profile = BFA_FALSE; | |
486 | fcpim->io_profile_start_time = 0; | |
487 | fcpim->profile_comp = NULL; | |
488 | fcpim->profile_start = NULL; | |
489 | return BFA_STATUS_OK; | |
490 | } | |
491 | ||
7725ccfd JH |
492 | u16 |
493 | bfa_fcpim_qdepth_get(struct bfa_s *bfa) | |
494 | { | |
e2187d7f | 495 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
7725ccfd | 496 | |
f8ceafde | 497 | return fcpim->q_depth; |
7725ccfd JH |
498 | } |
499 | ||
5fbe25c7 | 500 | /* |
a36c61f9 KG |
501 | * BFA ITNIM module state machine functions |
502 | */ | |
503 | ||
5fbe25c7 | 504 | /* |
da99dcc9 | 505 | * Beginning/unallocated state - no events expected. |
a36c61f9 KG |
506 | */ |
507 | static void | |
508 | bfa_itnim_sm_uninit(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
509 | { | |
510 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
511 | bfa_trc(itnim->bfa, event); | |
512 | ||
513 | switch (event) { | |
514 | case BFA_ITNIM_SM_CREATE: | |
515 | bfa_sm_set_state(itnim, bfa_itnim_sm_created); | |
516 | itnim->is_online = BFA_FALSE; | |
517 | bfa_fcpim_additn(itnim); | |
518 | break; | |
519 | ||
520 | default: | |
521 | bfa_sm_fault(itnim->bfa, event); | |
522 | } | |
523 | } | |
524 | ||
5fbe25c7 | 525 | /* |
da99dcc9 | 526 | * Beginning state, only online event expected. |
a36c61f9 KG |
527 | */ |
528 | static void | |
529 | bfa_itnim_sm_created(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
530 | { | |
531 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
532 | bfa_trc(itnim->bfa, event); | |
533 | ||
534 | switch (event) { | |
535 | case BFA_ITNIM_SM_ONLINE: | |
536 | if (bfa_itnim_send_fwcreate(itnim)) | |
537 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); | |
538 | else | |
539 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate_qfull); | |
540 | break; | |
541 | ||
542 | case BFA_ITNIM_SM_DELETE: | |
543 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
544 | bfa_fcpim_delitn(itnim); | |
545 | break; | |
546 | ||
547 | case BFA_ITNIM_SM_HWFAIL: | |
548 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
549 | break; | |
550 | ||
551 | default: | |
552 | bfa_sm_fault(itnim->bfa, event); | |
553 | } | |
554 | } | |
555 | ||
5fbe25c7 | 556 | /* |
a36c61f9 KG |
557 | * Waiting for itnim create response from firmware. |
558 | */ | |
559 | static void | |
560 | bfa_itnim_sm_fwcreate(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
561 | { | |
562 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
563 | bfa_trc(itnim->bfa, event); | |
564 | ||
565 | switch (event) { | |
566 | case BFA_ITNIM_SM_FWRSP: | |
567 | bfa_sm_set_state(itnim, bfa_itnim_sm_online); | |
568 | itnim->is_online = BFA_TRUE; | |
569 | bfa_itnim_iotov_online(itnim); | |
570 | bfa_itnim_online_cb(itnim); | |
571 | break; | |
572 | ||
573 | case BFA_ITNIM_SM_DELETE: | |
574 | bfa_sm_set_state(itnim, bfa_itnim_sm_delete_pending); | |
575 | break; | |
576 | ||
577 | case BFA_ITNIM_SM_OFFLINE: | |
578 | if (bfa_itnim_send_fwdelete(itnim)) | |
579 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete); | |
580 | else | |
581 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete_qfull); | |
582 | break; | |
583 | ||
584 | case BFA_ITNIM_SM_HWFAIL: | |
585 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
586 | break; | |
587 | ||
588 | default: | |
589 | bfa_sm_fault(itnim->bfa, event); | |
590 | } | |
591 | } | |
592 | ||
593 | static void | |
594 | bfa_itnim_sm_fwcreate_qfull(struct bfa_itnim_s *itnim, | |
595 | enum bfa_itnim_event event) | |
596 | { | |
597 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
598 | bfa_trc(itnim->bfa, event); | |
599 | ||
600 | switch (event) { | |
601 | case BFA_ITNIM_SM_QRESUME: | |
602 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); | |
603 | bfa_itnim_send_fwcreate(itnim); | |
604 | break; | |
605 | ||
606 | case BFA_ITNIM_SM_DELETE: | |
607 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
608 | bfa_reqq_wcancel(&itnim->reqq_wait); | |
609 | bfa_fcpim_delitn(itnim); | |
610 | break; | |
611 | ||
612 | case BFA_ITNIM_SM_OFFLINE: | |
613 | bfa_sm_set_state(itnim, bfa_itnim_sm_offline); | |
614 | bfa_reqq_wcancel(&itnim->reqq_wait); | |
615 | bfa_itnim_offline_cb(itnim); | |
616 | break; | |
617 | ||
618 | case BFA_ITNIM_SM_HWFAIL: | |
619 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
620 | bfa_reqq_wcancel(&itnim->reqq_wait); | |
621 | break; | |
622 | ||
623 | default: | |
624 | bfa_sm_fault(itnim->bfa, event); | |
625 | } | |
626 | } | |
627 | ||
5fbe25c7 | 628 | /* |
da99dcc9 | 629 | * Waiting for itnim create response from firmware, a delete is pending. |
a36c61f9 KG |
630 | */ |
631 | static void | |
632 | bfa_itnim_sm_delete_pending(struct bfa_itnim_s *itnim, | |
633 | enum bfa_itnim_event event) | |
634 | { | |
635 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
636 | bfa_trc(itnim->bfa, event); | |
637 | ||
638 | switch (event) { | |
639 | case BFA_ITNIM_SM_FWRSP: | |
640 | if (bfa_itnim_send_fwdelete(itnim)) | |
641 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); | |
642 | else | |
643 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting_qfull); | |
644 | break; | |
645 | ||
646 | case BFA_ITNIM_SM_HWFAIL: | |
647 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
648 | bfa_fcpim_delitn(itnim); | |
649 | break; | |
650 | ||
651 | default: | |
652 | bfa_sm_fault(itnim->bfa, event); | |
653 | } | |
654 | } | |
655 | ||
5fbe25c7 | 656 | /* |
da99dcc9 | 657 | * Online state - normal parking state. |
a36c61f9 KG |
658 | */ |
659 | static void | |
660 | bfa_itnim_sm_online(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
661 | { | |
662 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
663 | bfa_trc(itnim->bfa, event); | |
664 | ||
665 | switch (event) { | |
666 | case BFA_ITNIM_SM_OFFLINE: | |
667 | bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_offline); | |
668 | itnim->is_online = BFA_FALSE; | |
669 | bfa_itnim_iotov_start(itnim); | |
670 | bfa_itnim_cleanup(itnim); | |
671 | break; | |
672 | ||
673 | case BFA_ITNIM_SM_DELETE: | |
674 | bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_delete); | |
675 | itnim->is_online = BFA_FALSE; | |
676 | bfa_itnim_cleanup(itnim); | |
677 | break; | |
678 | ||
679 | case BFA_ITNIM_SM_SLER: | |
680 | bfa_sm_set_state(itnim, bfa_itnim_sm_sler); | |
681 | itnim->is_online = BFA_FALSE; | |
682 | bfa_itnim_iotov_start(itnim); | |
683 | bfa_itnim_sler_cb(itnim); | |
684 | break; | |
685 | ||
686 | case BFA_ITNIM_SM_HWFAIL: | |
687 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
688 | itnim->is_online = BFA_FALSE; | |
689 | bfa_itnim_iotov_start(itnim); | |
690 | bfa_itnim_iocdisable_cleanup(itnim); | |
691 | break; | |
692 | ||
693 | default: | |
694 | bfa_sm_fault(itnim->bfa, event); | |
695 | } | |
696 | } | |
697 | ||
5fbe25c7 | 698 | /* |
da99dcc9 | 699 | * Second level error recovery need. |
a36c61f9 KG |
700 | */ |
701 | static void | |
702 | bfa_itnim_sm_sler(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
703 | { | |
704 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
705 | bfa_trc(itnim->bfa, event); | |
706 | ||
707 | switch (event) { | |
708 | case BFA_ITNIM_SM_OFFLINE: | |
709 | bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_offline); | |
710 | bfa_itnim_cleanup(itnim); | |
711 | break; | |
712 | ||
713 | case BFA_ITNIM_SM_DELETE: | |
714 | bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_delete); | |
715 | bfa_itnim_cleanup(itnim); | |
716 | bfa_itnim_iotov_delete(itnim); | |
717 | break; | |
718 | ||
719 | case BFA_ITNIM_SM_HWFAIL: | |
720 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
721 | bfa_itnim_iocdisable_cleanup(itnim); | |
722 | break; | |
723 | ||
724 | default: | |
725 | bfa_sm_fault(itnim->bfa, event); | |
726 | } | |
727 | } | |
728 | ||
5fbe25c7 | 729 | /* |
da99dcc9 | 730 | * Going offline. Waiting for active IO cleanup. |
a36c61f9 KG |
731 | */ |
732 | static void | |
733 | bfa_itnim_sm_cleanup_offline(struct bfa_itnim_s *itnim, | |
734 | enum bfa_itnim_event event) | |
735 | { | |
736 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
737 | bfa_trc(itnim->bfa, event); | |
738 | ||
739 | switch (event) { | |
740 | case BFA_ITNIM_SM_CLEANUP: | |
741 | if (bfa_itnim_send_fwdelete(itnim)) | |
742 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete); | |
743 | else | |
744 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete_qfull); | |
745 | break; | |
746 | ||
747 | case BFA_ITNIM_SM_DELETE: | |
748 | bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_delete); | |
749 | bfa_itnim_iotov_delete(itnim); | |
750 | break; | |
751 | ||
752 | case BFA_ITNIM_SM_HWFAIL: | |
753 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
754 | bfa_itnim_iocdisable_cleanup(itnim); | |
755 | bfa_itnim_offline_cb(itnim); | |
756 | break; | |
757 | ||
758 | case BFA_ITNIM_SM_SLER: | |
759 | break; | |
760 | ||
761 | default: | |
762 | bfa_sm_fault(itnim->bfa, event); | |
763 | } | |
764 | } | |
765 | ||
5fbe25c7 | 766 | /* |
da99dcc9 | 767 | * Deleting itnim. Waiting for active IO cleanup. |
a36c61f9 KG |
768 | */ |
769 | static void | |
770 | bfa_itnim_sm_cleanup_delete(struct bfa_itnim_s *itnim, | |
771 | enum bfa_itnim_event event) | |
772 | { | |
773 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
774 | bfa_trc(itnim->bfa, event); | |
775 | ||
776 | switch (event) { | |
777 | case BFA_ITNIM_SM_CLEANUP: | |
778 | if (bfa_itnim_send_fwdelete(itnim)) | |
779 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); | |
780 | else | |
781 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting_qfull); | |
782 | break; | |
783 | ||
784 | case BFA_ITNIM_SM_HWFAIL: | |
785 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
786 | bfa_itnim_iocdisable_cleanup(itnim); | |
787 | break; | |
788 | ||
789 | default: | |
790 | bfa_sm_fault(itnim->bfa, event); | |
791 | } | |
792 | } | |
793 | ||
5fbe25c7 | 794 | /* |
a36c61f9 KG |
795 | * Rport offline. Fimrware itnim is being deleted - awaiting f/w response. |
796 | */ | |
797 | static void | |
798 | bfa_itnim_sm_fwdelete(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
799 | { | |
800 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
801 | bfa_trc(itnim->bfa, event); | |
802 | ||
803 | switch (event) { | |
804 | case BFA_ITNIM_SM_FWRSP: | |
805 | bfa_sm_set_state(itnim, bfa_itnim_sm_offline); | |
806 | bfa_itnim_offline_cb(itnim); | |
807 | break; | |
808 | ||
809 | case BFA_ITNIM_SM_DELETE: | |
810 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); | |
811 | break; | |
812 | ||
813 | case BFA_ITNIM_SM_HWFAIL: | |
814 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
815 | bfa_itnim_offline_cb(itnim); | |
816 | break; | |
817 | ||
818 | default: | |
819 | bfa_sm_fault(itnim->bfa, event); | |
820 | } | |
821 | } | |
822 | ||
823 | static void | |
824 | bfa_itnim_sm_fwdelete_qfull(struct bfa_itnim_s *itnim, | |
825 | enum bfa_itnim_event event) | |
826 | { | |
827 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
828 | bfa_trc(itnim->bfa, event); | |
829 | ||
830 | switch (event) { | |
831 | case BFA_ITNIM_SM_QRESUME: | |
832 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete); | |
833 | bfa_itnim_send_fwdelete(itnim); | |
834 | break; | |
835 | ||
836 | case BFA_ITNIM_SM_DELETE: | |
837 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting_qfull); | |
838 | break; | |
839 | ||
840 | case BFA_ITNIM_SM_HWFAIL: | |
841 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
842 | bfa_reqq_wcancel(&itnim->reqq_wait); | |
843 | bfa_itnim_offline_cb(itnim); | |
844 | break; | |
845 | ||
846 | default: | |
847 | bfa_sm_fault(itnim->bfa, event); | |
848 | } | |
849 | } | |
850 | ||
5fbe25c7 | 851 | /* |
da99dcc9 | 852 | * Offline state. |
a36c61f9 KG |
853 | */ |
854 | static void | |
855 | bfa_itnim_sm_offline(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
856 | { | |
857 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
858 | bfa_trc(itnim->bfa, event); | |
859 | ||
860 | switch (event) { | |
861 | case BFA_ITNIM_SM_DELETE: | |
862 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
863 | bfa_itnim_iotov_delete(itnim); | |
864 | bfa_fcpim_delitn(itnim); | |
865 | break; | |
866 | ||
867 | case BFA_ITNIM_SM_ONLINE: | |
868 | if (bfa_itnim_send_fwcreate(itnim)) | |
869 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); | |
870 | else | |
871 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate_qfull); | |
872 | break; | |
873 | ||
874 | case BFA_ITNIM_SM_HWFAIL: | |
875 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
876 | break; | |
877 | ||
878 | default: | |
879 | bfa_sm_fault(itnim->bfa, event); | |
880 | } | |
881 | } | |
882 | ||
a36c61f9 KG |
883 | static void |
884 | bfa_itnim_sm_iocdisable(struct bfa_itnim_s *itnim, | |
885 | enum bfa_itnim_event event) | |
886 | { | |
887 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
888 | bfa_trc(itnim->bfa, event); | |
889 | ||
890 | switch (event) { | |
891 | case BFA_ITNIM_SM_DELETE: | |
892 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
893 | bfa_itnim_iotov_delete(itnim); | |
894 | bfa_fcpim_delitn(itnim); | |
895 | break; | |
896 | ||
897 | case BFA_ITNIM_SM_OFFLINE: | |
898 | bfa_itnim_offline_cb(itnim); | |
899 | break; | |
900 | ||
901 | case BFA_ITNIM_SM_ONLINE: | |
902 | if (bfa_itnim_send_fwcreate(itnim)) | |
903 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); | |
904 | else | |
905 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate_qfull); | |
906 | break; | |
907 | ||
908 | case BFA_ITNIM_SM_HWFAIL: | |
909 | break; | |
910 | ||
911 | default: | |
912 | bfa_sm_fault(itnim->bfa, event); | |
913 | } | |
914 | } | |
915 | ||
5fbe25c7 | 916 | /* |
da99dcc9 | 917 | * Itnim is deleted, waiting for firmware response to delete. |
a36c61f9 KG |
918 | */ |
919 | static void | |
920 | bfa_itnim_sm_deleting(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
921 | { | |
922 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
923 | bfa_trc(itnim->bfa, event); | |
924 | ||
925 | switch (event) { | |
926 | case BFA_ITNIM_SM_FWRSP: | |
927 | case BFA_ITNIM_SM_HWFAIL: | |
928 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
929 | bfa_fcpim_delitn(itnim); | |
930 | break; | |
931 | ||
932 | default: | |
933 | bfa_sm_fault(itnim->bfa, event); | |
934 | } | |
935 | } | |
936 | ||
937 | static void | |
938 | bfa_itnim_sm_deleting_qfull(struct bfa_itnim_s *itnim, | |
939 | enum bfa_itnim_event event) | |
940 | { | |
941 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
942 | bfa_trc(itnim->bfa, event); | |
943 | ||
944 | switch (event) { | |
945 | case BFA_ITNIM_SM_QRESUME: | |
946 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); | |
947 | bfa_itnim_send_fwdelete(itnim); | |
948 | break; | |
949 | ||
950 | case BFA_ITNIM_SM_HWFAIL: | |
951 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
952 | bfa_reqq_wcancel(&itnim->reqq_wait); | |
953 | bfa_fcpim_delitn(itnim); | |
954 | break; | |
955 | ||
956 | default: | |
957 | bfa_sm_fault(itnim->bfa, event); | |
958 | } | |
959 | } | |
960 | ||
5fbe25c7 | 961 | /* |
da99dcc9 | 962 | * Initiate cleanup of all IOs on an IOC failure. |
a36c61f9 KG |
963 | */ |
964 | static void | |
965 | bfa_itnim_iocdisable_cleanup(struct bfa_itnim_s *itnim) | |
966 | { | |
967 | struct bfa_tskim_s *tskim; | |
968 | struct bfa_ioim_s *ioim; | |
969 | struct list_head *qe, *qen; | |
970 | ||
971 | list_for_each_safe(qe, qen, &itnim->tsk_q) { | |
972 | tskim = (struct bfa_tskim_s *) qe; | |
973 | bfa_tskim_iocdisable(tskim); | |
974 | } | |
975 | ||
976 | list_for_each_safe(qe, qen, &itnim->io_q) { | |
977 | ioim = (struct bfa_ioim_s *) qe; | |
978 | bfa_ioim_iocdisable(ioim); | |
979 | } | |
980 | ||
5fbe25c7 | 981 | /* |
a36c61f9 KG |
982 | * For IO request in pending queue, we pretend an early timeout. |
983 | */ | |
984 | list_for_each_safe(qe, qen, &itnim->pending_q) { | |
985 | ioim = (struct bfa_ioim_s *) qe; | |
986 | bfa_ioim_tov(ioim); | |
987 | } | |
988 | ||
989 | list_for_each_safe(qe, qen, &itnim->io_cleanup_q) { | |
990 | ioim = (struct bfa_ioim_s *) qe; | |
991 | bfa_ioim_iocdisable(ioim); | |
992 | } | |
993 | } | |
994 | ||
5fbe25c7 | 995 | /* |
da99dcc9 | 996 | * IO cleanup completion |
a36c61f9 KG |
997 | */ |
998 | static void | |
999 | bfa_itnim_cleanp_comp(void *itnim_cbarg) | |
1000 | { | |
1001 | struct bfa_itnim_s *itnim = itnim_cbarg; | |
1002 | ||
1003 | bfa_stats(itnim, cleanup_comps); | |
1004 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_CLEANUP); | |
1005 | } | |
1006 | ||
5fbe25c7 | 1007 | /* |
da99dcc9 | 1008 | * Initiate cleanup of all IOs. |
a36c61f9 KG |
1009 | */ |
1010 | static void | |
1011 | bfa_itnim_cleanup(struct bfa_itnim_s *itnim) | |
1012 | { | |
1013 | struct bfa_ioim_s *ioim; | |
1014 | struct bfa_tskim_s *tskim; | |
1015 | struct list_head *qe, *qen; | |
1016 | ||
1017 | bfa_wc_init(&itnim->wc, bfa_itnim_cleanp_comp, itnim); | |
1018 | ||
1019 | list_for_each_safe(qe, qen, &itnim->io_q) { | |
1020 | ioim = (struct bfa_ioim_s *) qe; | |
1021 | ||
5fbe25c7 | 1022 | /* |
a36c61f9 KG |
1023 | * Move IO to a cleanup queue from active queue so that a later |
1024 | * TM will not pickup this IO. | |
1025 | */ | |
1026 | list_del(&ioim->qe); | |
1027 | list_add_tail(&ioim->qe, &itnim->io_cleanup_q); | |
1028 | ||
1029 | bfa_wc_up(&itnim->wc); | |
1030 | bfa_ioim_cleanup(ioim); | |
1031 | } | |
1032 | ||
1033 | list_for_each_safe(qe, qen, &itnim->tsk_q) { | |
1034 | tskim = (struct bfa_tskim_s *) qe; | |
1035 | bfa_wc_up(&itnim->wc); | |
1036 | bfa_tskim_cleanup(tskim); | |
1037 | } | |
1038 | ||
1039 | bfa_wc_wait(&itnim->wc); | |
1040 | } | |
1041 | ||
1042 | static void | |
1043 | __bfa_cb_itnim_online(void *cbarg, bfa_boolean_t complete) | |
1044 | { | |
1045 | struct bfa_itnim_s *itnim = cbarg; | |
1046 | ||
1047 | if (complete) | |
1048 | bfa_cb_itnim_online(itnim->ditn); | |
1049 | } | |
1050 | ||
1051 | static void | |
1052 | __bfa_cb_itnim_offline(void *cbarg, bfa_boolean_t complete) | |
1053 | { | |
1054 | struct bfa_itnim_s *itnim = cbarg; | |
1055 | ||
1056 | if (complete) | |
1057 | bfa_cb_itnim_offline(itnim->ditn); | |
1058 | } | |
1059 | ||
1060 | static void | |
1061 | __bfa_cb_itnim_sler(void *cbarg, bfa_boolean_t complete) | |
1062 | { | |
1063 | struct bfa_itnim_s *itnim = cbarg; | |
1064 | ||
1065 | if (complete) | |
1066 | bfa_cb_itnim_sler(itnim->ditn); | |
1067 | } | |
1068 | ||
5fbe25c7 | 1069 | /* |
a36c61f9 KG |
1070 | * Call to resume any I/O requests waiting for room in request queue. |
1071 | */ | |
1072 | static void | |
1073 | bfa_itnim_qresume(void *cbarg) | |
1074 | { | |
1075 | struct bfa_itnim_s *itnim = cbarg; | |
1076 | ||
1077 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_QRESUME); | |
1078 | } | |
1079 | ||
5fbe25c7 | 1080 | /* |
a36c61f9 KG |
1081 | * bfa_itnim_public |
1082 | */ | |
1083 | ||
1084 | void | |
1085 | bfa_itnim_iodone(struct bfa_itnim_s *itnim) | |
1086 | { | |
1087 | bfa_wc_down(&itnim->wc); | |
1088 | } | |
1089 | ||
1090 | void | |
1091 | bfa_itnim_tskdone(struct bfa_itnim_s *itnim) | |
1092 | { | |
1093 | bfa_wc_down(&itnim->wc); | |
1094 | } | |
1095 | ||
1096 | void | |
4507025d | 1097 | bfa_itnim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len) |
a36c61f9 | 1098 | { |
5fbe25c7 | 1099 | /* |
a36c61f9 KG |
1100 | * ITN memory |
1101 | */ | |
1102 | *km_len += cfg->fwcfg.num_rports * sizeof(struct bfa_itnim_s); | |
1103 | } | |
1104 | ||
1105 | void | |
4507025d | 1106 | bfa_itnim_attach(struct bfa_fcpim_s *fcpim) |
a36c61f9 KG |
1107 | { |
1108 | struct bfa_s *bfa = fcpim->bfa; | |
4507025d | 1109 | struct bfa_fcp_mod_s *fcp = fcpim->fcp; |
a36c61f9 KG |
1110 | struct bfa_itnim_s *itnim; |
1111 | int i, j; | |
1112 | ||
1113 | INIT_LIST_HEAD(&fcpim->itnim_q); | |
1114 | ||
4507025d | 1115 | itnim = (struct bfa_itnim_s *) bfa_mem_kva_curp(fcp); |
a36c61f9 KG |
1116 | fcpim->itnim_arr = itnim; |
1117 | ||
1118 | for (i = 0; i < fcpim->num_itnims; i++, itnim++) { | |
6a18b167 | 1119 | memset(itnim, 0, sizeof(struct bfa_itnim_s)); |
a36c61f9 KG |
1120 | itnim->bfa = bfa; |
1121 | itnim->fcpim = fcpim; | |
1122 | itnim->reqq = BFA_REQQ_QOS_LO; | |
1123 | itnim->rport = BFA_RPORT_FROM_TAG(bfa, i); | |
1124 | itnim->iotov_active = BFA_FALSE; | |
1125 | bfa_reqq_winit(&itnim->reqq_wait, bfa_itnim_qresume, itnim); | |
1126 | ||
1127 | INIT_LIST_HEAD(&itnim->io_q); | |
1128 | INIT_LIST_HEAD(&itnim->io_cleanup_q); | |
1129 | INIT_LIST_HEAD(&itnim->pending_q); | |
1130 | INIT_LIST_HEAD(&itnim->tsk_q); | |
1131 | INIT_LIST_HEAD(&itnim->delay_comp_q); | |
1132 | for (j = 0; j < BFA_IOBUCKET_MAX; j++) | |
1133 | itnim->ioprofile.io_latency.min[j] = ~0; | |
1134 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
1135 | } | |
1136 | ||
4507025d | 1137 | bfa_mem_kva_curp(fcp) = (u8 *) itnim; |
a36c61f9 KG |
1138 | } |
1139 | ||
1140 | void | |
1141 | bfa_itnim_iocdisable(struct bfa_itnim_s *itnim) | |
1142 | { | |
1143 | bfa_stats(itnim, ioc_disabled); | |
1144 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_HWFAIL); | |
1145 | } | |
1146 | ||
1147 | static bfa_boolean_t | |
1148 | bfa_itnim_send_fwcreate(struct bfa_itnim_s *itnim) | |
1149 | { | |
dd5aaf45 | 1150 | struct bfi_itn_create_req_s *m; |
a36c61f9 KG |
1151 | |
1152 | itnim->msg_no++; | |
1153 | ||
5fbe25c7 | 1154 | /* |
a36c61f9 KG |
1155 | * check for room in queue to send request now |
1156 | */ | |
1157 | m = bfa_reqq_next(itnim->bfa, itnim->reqq); | |
1158 | if (!m) { | |
1159 | bfa_reqq_wait(itnim->bfa, itnim->reqq, &itnim->reqq_wait); | |
1160 | return BFA_FALSE; | |
1161 | } | |
1162 | ||
dd5aaf45 | 1163 | bfi_h2i_set(m->mh, BFI_MC_ITN, BFI_ITN_H2I_CREATE_REQ, |
3fd45980 | 1164 | bfa_fn_lpu(itnim->bfa)); |
a36c61f9 KG |
1165 | m->fw_handle = itnim->rport->fw_handle; |
1166 | m->class = FC_CLASS_3; | |
1167 | m->seq_rec = itnim->seq_rec; | |
1168 | m->msg_no = itnim->msg_no; | |
1169 | bfa_stats(itnim, fw_create); | |
1170 | ||
5fbe25c7 | 1171 | /* |
a36c61f9 KG |
1172 | * queue I/O message to firmware |
1173 | */ | |
3fd45980 | 1174 | bfa_reqq_produce(itnim->bfa, itnim->reqq, m->mh); |
a36c61f9 KG |
1175 | return BFA_TRUE; |
1176 | } | |
1177 | ||
1178 | static bfa_boolean_t | |
1179 | bfa_itnim_send_fwdelete(struct bfa_itnim_s *itnim) | |
1180 | { | |
dd5aaf45 | 1181 | struct bfi_itn_delete_req_s *m; |
a36c61f9 | 1182 | |
5fbe25c7 | 1183 | /* |
a36c61f9 KG |
1184 | * check for room in queue to send request now |
1185 | */ | |
1186 | m = bfa_reqq_next(itnim->bfa, itnim->reqq); | |
1187 | if (!m) { | |
1188 | bfa_reqq_wait(itnim->bfa, itnim->reqq, &itnim->reqq_wait); | |
1189 | return BFA_FALSE; | |
1190 | } | |
1191 | ||
dd5aaf45 | 1192 | bfi_h2i_set(m->mh, BFI_MC_ITN, BFI_ITN_H2I_DELETE_REQ, |
3fd45980 | 1193 | bfa_fn_lpu(itnim->bfa)); |
a36c61f9 KG |
1194 | m->fw_handle = itnim->rport->fw_handle; |
1195 | bfa_stats(itnim, fw_delete); | |
1196 | ||
5fbe25c7 | 1197 | /* |
a36c61f9 KG |
1198 | * queue I/O message to firmware |
1199 | */ | |
3fd45980 | 1200 | bfa_reqq_produce(itnim->bfa, itnim->reqq, m->mh); |
a36c61f9 KG |
1201 | return BFA_TRUE; |
1202 | } | |
1203 | ||
5fbe25c7 | 1204 | /* |
a36c61f9 KG |
1205 | * Cleanup all pending failed inflight requests. |
1206 | */ | |
1207 | static void | |
1208 | bfa_itnim_delayed_comp(struct bfa_itnim_s *itnim, bfa_boolean_t iotov) | |
1209 | { | |
1210 | struct bfa_ioim_s *ioim; | |
1211 | struct list_head *qe, *qen; | |
1212 | ||
1213 | list_for_each_safe(qe, qen, &itnim->delay_comp_q) { | |
1214 | ioim = (struct bfa_ioim_s *)qe; | |
1215 | bfa_ioim_delayed_comp(ioim, iotov); | |
1216 | } | |
1217 | } | |
1218 | ||
5fbe25c7 | 1219 | /* |
a36c61f9 KG |
1220 | * Start all pending IO requests. |
1221 | */ | |
1222 | static void | |
1223 | bfa_itnim_iotov_online(struct bfa_itnim_s *itnim) | |
1224 | { | |
1225 | struct bfa_ioim_s *ioim; | |
1226 | ||
1227 | bfa_itnim_iotov_stop(itnim); | |
1228 | ||
5fbe25c7 | 1229 | /* |
a36c61f9 KG |
1230 | * Abort all inflight IO requests in the queue |
1231 | */ | |
1232 | bfa_itnim_delayed_comp(itnim, BFA_FALSE); | |
1233 | ||
5fbe25c7 | 1234 | /* |
a36c61f9 KG |
1235 | * Start all pending IO requests. |
1236 | */ | |
1237 | while (!list_empty(&itnim->pending_q)) { | |
1238 | bfa_q_deq(&itnim->pending_q, &ioim); | |
1239 | list_add_tail(&ioim->qe, &itnim->io_q); | |
1240 | bfa_ioim_start(ioim); | |
1241 | } | |
1242 | } | |
1243 | ||
5fbe25c7 | 1244 | /* |
a36c61f9 KG |
1245 | * Fail all pending IO requests |
1246 | */ | |
1247 | static void | |
1248 | bfa_itnim_iotov_cleanup(struct bfa_itnim_s *itnim) | |
1249 | { | |
1250 | struct bfa_ioim_s *ioim; | |
1251 | ||
5fbe25c7 | 1252 | /* |
a36c61f9 KG |
1253 | * Fail all inflight IO requests in the queue |
1254 | */ | |
1255 | bfa_itnim_delayed_comp(itnim, BFA_TRUE); | |
1256 | ||
5fbe25c7 | 1257 | /* |
a36c61f9 KG |
1258 | * Fail any pending IO requests. |
1259 | */ | |
1260 | while (!list_empty(&itnim->pending_q)) { | |
1261 | bfa_q_deq(&itnim->pending_q, &ioim); | |
1262 | list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); | |
1263 | bfa_ioim_tov(ioim); | |
1264 | } | |
1265 | } | |
1266 | ||
5fbe25c7 | 1267 | /* |
a36c61f9 KG |
1268 | * IO TOV timer callback. Fail any pending IO requests. |
1269 | */ | |
1270 | static void | |
1271 | bfa_itnim_iotov(void *itnim_arg) | |
1272 | { | |
1273 | struct bfa_itnim_s *itnim = itnim_arg; | |
1274 | ||
1275 | itnim->iotov_active = BFA_FALSE; | |
1276 | ||
1277 | bfa_cb_itnim_tov_begin(itnim->ditn); | |
1278 | bfa_itnim_iotov_cleanup(itnim); | |
1279 | bfa_cb_itnim_tov(itnim->ditn); | |
1280 | } | |
1281 | ||
5fbe25c7 | 1282 | /* |
a36c61f9 KG |
1283 | * Start IO TOV timer for failing back pending IO requests in offline state. |
1284 | */ | |
1285 | static void | |
1286 | bfa_itnim_iotov_start(struct bfa_itnim_s *itnim) | |
1287 | { | |
1288 | if (itnim->fcpim->path_tov > 0) { | |
1289 | ||
1290 | itnim->iotov_active = BFA_TRUE; | |
d4b671c5 | 1291 | WARN_ON(!bfa_itnim_hold_io(itnim)); |
a36c61f9 KG |
1292 | bfa_timer_start(itnim->bfa, &itnim->timer, |
1293 | bfa_itnim_iotov, itnim, itnim->fcpim->path_tov); | |
1294 | } | |
1295 | } | |
1296 | ||
5fbe25c7 | 1297 | /* |
a36c61f9 KG |
1298 | * Stop IO TOV timer. |
1299 | */ | |
1300 | static void | |
1301 | bfa_itnim_iotov_stop(struct bfa_itnim_s *itnim) | |
1302 | { | |
1303 | if (itnim->iotov_active) { | |
1304 | itnim->iotov_active = BFA_FALSE; | |
1305 | bfa_timer_stop(&itnim->timer); | |
1306 | } | |
1307 | } | |
1308 | ||
5fbe25c7 | 1309 | /* |
a36c61f9 KG |
1310 | * Stop IO TOV timer. |
1311 | */ | |
1312 | static void | |
1313 | bfa_itnim_iotov_delete(struct bfa_itnim_s *itnim) | |
1314 | { | |
1315 | bfa_boolean_t pathtov_active = BFA_FALSE; | |
1316 | ||
1317 | if (itnim->iotov_active) | |
1318 | pathtov_active = BFA_TRUE; | |
1319 | ||
1320 | bfa_itnim_iotov_stop(itnim); | |
1321 | if (pathtov_active) | |
1322 | bfa_cb_itnim_tov_begin(itnim->ditn); | |
1323 | bfa_itnim_iotov_cleanup(itnim); | |
1324 | if (pathtov_active) | |
1325 | bfa_cb_itnim_tov(itnim->ditn); | |
1326 | } | |
1327 | ||
1328 | static void | |
1329 | bfa_itnim_update_del_itn_stats(struct bfa_itnim_s *itnim) | |
1330 | { | |
e2187d7f | 1331 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(itnim->bfa); |
a36c61f9 KG |
1332 | fcpim->del_itn_stats.del_itn_iocomp_aborted += |
1333 | itnim->stats.iocomp_aborted; | |
1334 | fcpim->del_itn_stats.del_itn_iocomp_timedout += | |
1335 | itnim->stats.iocomp_timedout; | |
1336 | fcpim->del_itn_stats.del_itn_iocom_sqer_needed += | |
1337 | itnim->stats.iocom_sqer_needed; | |
1338 | fcpim->del_itn_stats.del_itn_iocom_res_free += | |
1339 | itnim->stats.iocom_res_free; | |
1340 | fcpim->del_itn_stats.del_itn_iocom_hostabrts += | |
1341 | itnim->stats.iocom_hostabrts; | |
1342 | fcpim->del_itn_stats.del_itn_total_ios += itnim->stats.total_ios; | |
1343 | fcpim->del_itn_stats.del_io_iocdowns += itnim->stats.io_iocdowns; | |
1344 | fcpim->del_itn_stats.del_tm_iocdowns += itnim->stats.tm_iocdowns; | |
1345 | } | |
1346 | ||
5fbe25c7 | 1347 | /* |
da99dcc9 | 1348 | * bfa_itnim_public |
a36c61f9 KG |
1349 | */ |
1350 | ||
5fbe25c7 | 1351 | /* |
da99dcc9 | 1352 | * Itnim interrupt processing. |
a36c61f9 KG |
1353 | */ |
1354 | void | |
1355 | bfa_itnim_isr(struct bfa_s *bfa, struct bfi_msg_s *m) | |
1356 | { | |
e2187d7f | 1357 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
dd5aaf45 | 1358 | union bfi_itn_i2h_msg_u msg; |
a36c61f9 KG |
1359 | struct bfa_itnim_s *itnim; |
1360 | ||
1361 | bfa_trc(bfa, m->mhdr.msg_id); | |
1362 | ||
1363 | msg.msg = m; | |
1364 | ||
1365 | switch (m->mhdr.msg_id) { | |
dd5aaf45 | 1366 | case BFI_ITN_I2H_CREATE_RSP: |
a36c61f9 KG |
1367 | itnim = BFA_ITNIM_FROM_TAG(fcpim, |
1368 | msg.create_rsp->bfa_handle); | |
d4b671c5 | 1369 | WARN_ON(msg.create_rsp->status != BFA_STATUS_OK); |
a36c61f9 KG |
1370 | bfa_stats(itnim, create_comps); |
1371 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_FWRSP); | |
1372 | break; | |
1373 | ||
dd5aaf45 | 1374 | case BFI_ITN_I2H_DELETE_RSP: |
a36c61f9 KG |
1375 | itnim = BFA_ITNIM_FROM_TAG(fcpim, |
1376 | msg.delete_rsp->bfa_handle); | |
d4b671c5 | 1377 | WARN_ON(msg.delete_rsp->status != BFA_STATUS_OK); |
a36c61f9 KG |
1378 | bfa_stats(itnim, delete_comps); |
1379 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_FWRSP); | |
1380 | break; | |
1381 | ||
dd5aaf45 | 1382 | case BFI_ITN_I2H_SLER_EVENT: |
a36c61f9 KG |
1383 | itnim = BFA_ITNIM_FROM_TAG(fcpim, |
1384 | msg.sler_event->bfa_handle); | |
1385 | bfa_stats(itnim, sler_events); | |
1386 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_SLER); | |
1387 | break; | |
1388 | ||
1389 | default: | |
1390 | bfa_trc(bfa, m->mhdr.msg_id); | |
d4b671c5 | 1391 | WARN_ON(1); |
a36c61f9 KG |
1392 | } |
1393 | } | |
1394 | ||
5fbe25c7 | 1395 | /* |
da99dcc9 | 1396 | * bfa_itnim_api |
a36c61f9 KG |
1397 | */ |
1398 | ||
1399 | struct bfa_itnim_s * | |
1400 | bfa_itnim_create(struct bfa_s *bfa, struct bfa_rport_s *rport, void *ditn) | |
1401 | { | |
e2187d7f | 1402 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
a36c61f9 KG |
1403 | struct bfa_itnim_s *itnim; |
1404 | ||
e2187d7f KG |
1405 | bfa_itn_create(bfa, rport, bfa_itnim_isr); |
1406 | ||
a36c61f9 | 1407 | itnim = BFA_ITNIM_FROM_TAG(fcpim, rport->rport_tag); |
d4b671c5 | 1408 | WARN_ON(itnim->rport != rport); |
a36c61f9 KG |
1409 | |
1410 | itnim->ditn = ditn; | |
1411 | ||
1412 | bfa_stats(itnim, creates); | |
1413 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_CREATE); | |
1414 | ||
1415 | return itnim; | |
1416 | } | |
1417 | ||
1418 | void | |
1419 | bfa_itnim_delete(struct bfa_itnim_s *itnim) | |
1420 | { | |
1421 | bfa_stats(itnim, deletes); | |
1422 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_DELETE); | |
1423 | } | |
1424 | ||
1425 | void | |
1426 | bfa_itnim_online(struct bfa_itnim_s *itnim, bfa_boolean_t seq_rec) | |
1427 | { | |
1428 | itnim->seq_rec = seq_rec; | |
1429 | bfa_stats(itnim, onlines); | |
1430 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_ONLINE); | |
1431 | } | |
1432 | ||
1433 | void | |
1434 | bfa_itnim_offline(struct bfa_itnim_s *itnim) | |
1435 | { | |
1436 | bfa_stats(itnim, offlines); | |
1437 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_OFFLINE); | |
1438 | } | |
1439 | ||
5fbe25c7 | 1440 | /* |
a36c61f9 KG |
1441 | * Return true if itnim is considered offline for holding off IO request. |
1442 | * IO is not held if itnim is being deleted. | |
1443 | */ | |
1444 | bfa_boolean_t | |
1445 | bfa_itnim_hold_io(struct bfa_itnim_s *itnim) | |
1446 | { | |
1447 | return itnim->fcpim->path_tov && itnim->iotov_active && | |
1448 | (bfa_sm_cmp_state(itnim, bfa_itnim_sm_fwcreate) || | |
1449 | bfa_sm_cmp_state(itnim, bfa_itnim_sm_sler) || | |
1450 | bfa_sm_cmp_state(itnim, bfa_itnim_sm_cleanup_offline) || | |
1451 | bfa_sm_cmp_state(itnim, bfa_itnim_sm_fwdelete) || | |
1452 | bfa_sm_cmp_state(itnim, bfa_itnim_sm_offline) || | |
1453 | bfa_sm_cmp_state(itnim, bfa_itnim_sm_iocdisable)); | |
1454 | } | |
1455 | ||
42a8e6e2 KG |
1456 | #define bfa_io_lat_clock_res_div HZ |
1457 | #define bfa_io_lat_clock_res_mul 1000 | |
1458 | bfa_status_t | |
1459 | bfa_itnim_get_ioprofile(struct bfa_itnim_s *itnim, | |
1460 | struct bfa_itnim_ioprofile_s *ioprofile) | |
1461 | { | |
61ba4394 KG |
1462 | struct bfa_fcpim_s *fcpim; |
1463 | ||
1464 | if (!itnim) | |
1465 | return BFA_STATUS_NO_FCPIM_NEXUS; | |
1466 | ||
1467 | fcpim = BFA_FCPIM(itnim->bfa); | |
1468 | ||
42a8e6e2 KG |
1469 | if (!fcpim->io_profile) |
1470 | return BFA_STATUS_IOPROFILE_OFF; | |
1471 | ||
1472 | itnim->ioprofile.index = BFA_IOBUCKET_MAX; | |
aa22a52e | 1473 | /* unsigned 32-bit time_t overflow here in y2106 */ |
42a8e6e2 KG |
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; | |
61ba4394 KG |
1487 | |
1488 | if (!itnim) | |
1489 | return; | |
1490 | ||
6a18b167 JH |
1491 | memset(&itnim->stats, 0, sizeof(itnim->stats)); |
1492 | memset(&itnim->ioprofile, 0, sizeof(itnim->ioprofile)); | |
a36c61f9 KG |
1493 | for (j = 0; j < BFA_IOBUCKET_MAX; j++) |
1494 | itnim->ioprofile.io_latency.min[j] = ~0; | |
1495 | } | |
1496 | ||
5fbe25c7 | 1497 | /* |
a36c61f9 KG |
1498 | * BFA IO module state machine functions |
1499 | */ | |
1500 | ||
5fbe25c7 | 1501 | /* |
da99dcc9 | 1502 | * IO is not started (unallocated). |
a36c61f9 KG |
1503 | */ |
1504 | static void | |
1505 | bfa_ioim_sm_uninit(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1506 | { | |
a36c61f9 KG |
1507 | switch (event) { |
1508 | case BFA_IOIM_SM_START: | |
1509 | if (!bfa_itnim_is_online(ioim->itnim)) { | |
1510 | if (!bfa_itnim_hold_io(ioim->itnim)) { | |
1511 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1512 | list_del(&ioim->qe); | |
1513 | list_add_tail(&ioim->qe, | |
1514 | &ioim->fcpim->ioim_comp_q); | |
1515 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, | |
1516 | __bfa_cb_ioim_pathtov, ioim); | |
1517 | } else { | |
1518 | list_del(&ioim->qe); | |
1519 | list_add_tail(&ioim->qe, | |
1520 | &ioim->itnim->pending_q); | |
1521 | } | |
1522 | break; | |
1523 | } | |
1524 | ||
1525 | if (ioim->nsges > BFI_SGE_INLINE) { | |
e3e7d3ee | 1526 | if (!bfa_ioim_sgpg_alloc(ioim)) { |
a36c61f9 KG |
1527 | bfa_sm_set_state(ioim, bfa_ioim_sm_sgalloc); |
1528 | return; | |
1529 | } | |
1530 | } | |
1531 | ||
1532 | if (!bfa_ioim_send_ioreq(ioim)) { | |
1533 | bfa_sm_set_state(ioim, bfa_ioim_sm_qfull); | |
1534 | break; | |
1535 | } | |
1536 | ||
1537 | bfa_sm_set_state(ioim, bfa_ioim_sm_active); | |
1538 | break; | |
1539 | ||
1540 | case BFA_IOIM_SM_IOTOV: | |
1541 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1542 | bfa_ioim_move_to_comp_q(ioim); | |
1543 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, | |
1544 | __bfa_cb_ioim_pathtov, ioim); | |
1545 | break; | |
1546 | ||
1547 | case BFA_IOIM_SM_ABORT: | |
5fbe25c7 | 1548 | /* |
a36c61f9 KG |
1549 | * IO in pending queue can get abort requests. Complete abort |
1550 | * requests immediately. | |
1551 | */ | |
1552 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
d4b671c5 | 1553 | WARN_ON(!bfa_q_is_on_q(&ioim->itnim->pending_q, ioim)); |
a36c61f9 | 1554 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, |
83763d59 KG |
1555 | __bfa_cb_ioim_abort, ioim); |
1556 | break; | |
1557 | ||
a36c61f9 KG |
1558 | default: |
1559 | bfa_sm_fault(ioim->bfa, event); | |
1560 | } | |
1561 | } | |
1562 | ||
5fbe25c7 | 1563 | /* |
da99dcc9 | 1564 | * IO is waiting for SG pages. |
a36c61f9 KG |
1565 | */ |
1566 | static void | |
1567 | bfa_ioim_sm_sgalloc(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1568 | { | |
1569 | bfa_trc(ioim->bfa, ioim->iotag); | |
1570 | bfa_trc(ioim->bfa, event); | |
1571 | ||
1572 | switch (event) { | |
1573 | case BFA_IOIM_SM_SGALLOCED: | |
1574 | if (!bfa_ioim_send_ioreq(ioim)) { | |
1575 | bfa_sm_set_state(ioim, bfa_ioim_sm_qfull); | |
1576 | break; | |
1577 | } | |
1578 | bfa_sm_set_state(ioim, bfa_ioim_sm_active); | |
1579 | break; | |
1580 | ||
1581 | case BFA_IOIM_SM_CLEANUP: | |
1582 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1583 | bfa_sgpg_wcancel(ioim->bfa, &ioim->iosp->sgpg_wqe); | |
1584 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1585 | ioim); | |
1586 | bfa_ioim_notify_cleanup(ioim); | |
1587 | break; | |
1588 | ||
1589 | case BFA_IOIM_SM_ABORT: | |
1590 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1591 | bfa_sgpg_wcancel(ioim->bfa, &ioim->iosp->sgpg_wqe); | |
1592 | bfa_ioim_move_to_comp_q(ioim); | |
1593 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1594 | ioim); | |
1595 | break; | |
1596 | ||
1597 | case BFA_IOIM_SM_HWFAIL: | |
1598 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1599 | bfa_sgpg_wcancel(ioim->bfa, &ioim->iosp->sgpg_wqe); | |
1600 | bfa_ioim_move_to_comp_q(ioim); | |
1601 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1602 | ioim); | |
1603 | break; | |
1604 | ||
1605 | default: | |
1606 | bfa_sm_fault(ioim->bfa, event); | |
1607 | } | |
1608 | } | |
1609 | ||
5fbe25c7 | 1610 | /* |
da99dcc9 | 1611 | * IO is active. |
a36c61f9 KG |
1612 | */ |
1613 | static void | |
1614 | bfa_ioim_sm_active(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1615 | { | |
a36c61f9 KG |
1616 | switch (event) { |
1617 | case BFA_IOIM_SM_COMP_GOOD: | |
1618 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1619 | bfa_ioim_move_to_comp_q(ioim); | |
1620 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, | |
1621 | __bfa_cb_ioim_good_comp, ioim); | |
1622 | break; | |
1623 | ||
1624 | case BFA_IOIM_SM_COMP: | |
1625 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1626 | bfa_ioim_move_to_comp_q(ioim); | |
1627 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_comp, | |
1628 | ioim); | |
1629 | break; | |
1630 | ||
1631 | case BFA_IOIM_SM_DONE: | |
1632 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
1633 | bfa_ioim_move_to_comp_q(ioim); | |
1634 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_comp, | |
1635 | ioim); | |
1636 | break; | |
1637 | ||
1638 | case BFA_IOIM_SM_ABORT: | |
1639 | ioim->iosp->abort_explicit = BFA_TRUE; | |
1640 | ioim->io_cbfn = __bfa_cb_ioim_abort; | |
1641 | ||
1642 | if (bfa_ioim_send_abort(ioim)) | |
1643 | bfa_sm_set_state(ioim, bfa_ioim_sm_abort); | |
1644 | else { | |
1645 | bfa_sm_set_state(ioim, bfa_ioim_sm_abort_qfull); | |
1646 | bfa_stats(ioim->itnim, qwait); | |
1647 | bfa_reqq_wait(ioim->bfa, ioim->reqq, | |
1648 | &ioim->iosp->reqq_wait); | |
1649 | } | |
1650 | break; | |
1651 | ||
1652 | case BFA_IOIM_SM_CLEANUP: | |
1653 | ioim->iosp->abort_explicit = BFA_FALSE; | |
1654 | ioim->io_cbfn = __bfa_cb_ioim_failed; | |
1655 | ||
1656 | if (bfa_ioim_send_abort(ioim)) | |
1657 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); | |
1658 | else { | |
1659 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); | |
1660 | bfa_stats(ioim->itnim, qwait); | |
1661 | bfa_reqq_wait(ioim->bfa, ioim->reqq, | |
1662 | &ioim->iosp->reqq_wait); | |
1663 | } | |
1664 | break; | |
1665 | ||
1666 | case BFA_IOIM_SM_HWFAIL: | |
1667 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1668 | bfa_ioim_move_to_comp_q(ioim); | |
1669 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1670 | ioim); | |
1671 | break; | |
1672 | ||
1673 | case BFA_IOIM_SM_SQRETRY: | |
15821f05 KG |
1674 | if (bfa_ioim_maxretry_reached(ioim)) { |
1675 | /* max retry reached, free IO */ | |
a36c61f9 KG |
1676 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); |
1677 | bfa_ioim_move_to_comp_q(ioim); | |
1678 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, | |
1679 | __bfa_cb_ioim_failed, ioim); | |
1680 | break; | |
1681 | } | |
1682 | /* waiting for IO tag resource free */ | |
1683 | bfa_sm_set_state(ioim, bfa_ioim_sm_cmnd_retry); | |
1684 | break; | |
1685 | ||
1686 | default: | |
1687 | bfa_sm_fault(ioim->bfa, event); | |
1688 | } | |
1689 | } | |
1690 | ||
5fbe25c7 | 1691 | /* |
da99dcc9 MZ |
1692 | * IO is retried with new tag. |
1693 | */ | |
a36c61f9 KG |
1694 | static void |
1695 | bfa_ioim_sm_cmnd_retry(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1696 | { | |
a36c61f9 KG |
1697 | switch (event) { |
1698 | case BFA_IOIM_SM_FREE: | |
1699 | /* abts and rrq done. Now retry the IO with new tag */ | |
15821f05 | 1700 | bfa_ioim_update_iotag(ioim); |
a36c61f9 KG |
1701 | if (!bfa_ioim_send_ioreq(ioim)) { |
1702 | bfa_sm_set_state(ioim, bfa_ioim_sm_qfull); | |
1703 | break; | |
1704 | } | |
1705 | bfa_sm_set_state(ioim, bfa_ioim_sm_active); | |
1706 | break; | |
1707 | ||
1708 | case BFA_IOIM_SM_CLEANUP: | |
1709 | ioim->iosp->abort_explicit = BFA_FALSE; | |
1710 | ioim->io_cbfn = __bfa_cb_ioim_failed; | |
1711 | ||
1712 | if (bfa_ioim_send_abort(ioim)) | |
1713 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); | |
1714 | else { | |
1715 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); | |
1716 | bfa_stats(ioim->itnim, qwait); | |
1717 | bfa_reqq_wait(ioim->bfa, ioim->reqq, | |
1718 | &ioim->iosp->reqq_wait); | |
1719 | } | |
1720 | break; | |
1721 | ||
1722 | case BFA_IOIM_SM_HWFAIL: | |
1723 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1724 | bfa_ioim_move_to_comp_q(ioim); | |
1725 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, | |
1726 | __bfa_cb_ioim_failed, ioim); | |
1727 | break; | |
1728 | ||
1729 | case BFA_IOIM_SM_ABORT: | |
5fbe25c7 | 1730 | /* in this state IO abort is done. |
a36c61f9 KG |
1731 | * Waiting for IO tag resource free. |
1732 | */ | |
1733 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
1734 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1735 | ioim); | |
1736 | break; | |
1737 | ||
1738 | default: | |
1739 | bfa_sm_fault(ioim->bfa, event); | |
1740 | } | |
1741 | } | |
1742 | ||
5fbe25c7 | 1743 | /* |
da99dcc9 | 1744 | * IO is being aborted, waiting for completion from firmware. |
a36c61f9 KG |
1745 | */ |
1746 | static void | |
1747 | bfa_ioim_sm_abort(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1748 | { | |
1749 | bfa_trc(ioim->bfa, ioim->iotag); | |
1750 | bfa_trc(ioim->bfa, event); | |
1751 | ||
1752 | switch (event) { | |
1753 | case BFA_IOIM_SM_COMP_GOOD: | |
1754 | case BFA_IOIM_SM_COMP: | |
1755 | case BFA_IOIM_SM_DONE: | |
1756 | case BFA_IOIM_SM_FREE: | |
1757 | break; | |
1758 | ||
1759 | case BFA_IOIM_SM_ABORT_DONE: | |
1760 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
1761 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1762 | ioim); | |
1763 | break; | |
1764 | ||
1765 | case BFA_IOIM_SM_ABORT_COMP: | |
1766 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1767 | bfa_ioim_move_to_comp_q(ioim); | |
1768 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1769 | ioim); | |
1770 | break; | |
1771 | ||
1772 | case BFA_IOIM_SM_COMP_UTAG: | |
1773 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1774 | bfa_ioim_move_to_comp_q(ioim); | |
1775 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1776 | ioim); | |
1777 | break; | |
1778 | ||
1779 | case BFA_IOIM_SM_CLEANUP: | |
d4b671c5 | 1780 | WARN_ON(ioim->iosp->abort_explicit != BFA_TRUE); |
a36c61f9 KG |
1781 | ioim->iosp->abort_explicit = BFA_FALSE; |
1782 | ||
1783 | if (bfa_ioim_send_abort(ioim)) | |
1784 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); | |
1785 | else { | |
1786 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); | |
1787 | bfa_stats(ioim->itnim, qwait); | |
1788 | bfa_reqq_wait(ioim->bfa, ioim->reqq, | |
1789 | &ioim->iosp->reqq_wait); | |
1790 | } | |
1791 | break; | |
1792 | ||
1793 | case BFA_IOIM_SM_HWFAIL: | |
1794 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1795 | bfa_ioim_move_to_comp_q(ioim); | |
1796 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1797 | ioim); | |
1798 | break; | |
1799 | ||
1800 | default: | |
1801 | bfa_sm_fault(ioim->bfa, event); | |
1802 | } | |
1803 | } | |
1804 | ||
5fbe25c7 | 1805 | /* |
a36c61f9 KG |
1806 | * IO is being cleaned up (implicit abort), waiting for completion from |
1807 | * firmware. | |
1808 | */ | |
1809 | static void | |
1810 | bfa_ioim_sm_cleanup(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1811 | { | |
1812 | bfa_trc(ioim->bfa, ioim->iotag); | |
1813 | bfa_trc(ioim->bfa, event); | |
1814 | ||
1815 | switch (event) { | |
1816 | case BFA_IOIM_SM_COMP_GOOD: | |
1817 | case BFA_IOIM_SM_COMP: | |
1818 | case BFA_IOIM_SM_DONE: | |
1819 | case BFA_IOIM_SM_FREE: | |
1820 | break; | |
1821 | ||
1822 | case BFA_IOIM_SM_ABORT: | |
5fbe25c7 | 1823 | /* |
a36c61f9 KG |
1824 | * IO is already being aborted implicitly |
1825 | */ | |
1826 | ioim->io_cbfn = __bfa_cb_ioim_abort; | |
1827 | break; | |
1828 | ||
1829 | case BFA_IOIM_SM_ABORT_DONE: | |
1830 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
1831 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
1832 | bfa_ioim_notify_cleanup(ioim); | |
1833 | break; | |
1834 | ||
1835 | case BFA_IOIM_SM_ABORT_COMP: | |
1836 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1837 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
1838 | bfa_ioim_notify_cleanup(ioim); | |
1839 | break; | |
1840 | ||
1841 | case BFA_IOIM_SM_COMP_UTAG: | |
1842 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1843 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
1844 | bfa_ioim_notify_cleanup(ioim); | |
1845 | break; | |
1846 | ||
1847 | case BFA_IOIM_SM_HWFAIL: | |
1848 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1849 | bfa_ioim_move_to_comp_q(ioim); | |
1850 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1851 | ioim); | |
1852 | break; | |
1853 | ||
1854 | case BFA_IOIM_SM_CLEANUP: | |
5fbe25c7 | 1855 | /* |
a36c61f9 KG |
1856 | * IO can be in cleanup state already due to TM command. |
1857 | * 2nd cleanup request comes from ITN offline event. | |
1858 | */ | |
1859 | break; | |
1860 | ||
1861 | default: | |
1862 | bfa_sm_fault(ioim->bfa, event); | |
1863 | } | |
1864 | } | |
1865 | ||
5fbe25c7 | 1866 | /* |
da99dcc9 | 1867 | * IO is waiting for room in request CQ |
a36c61f9 KG |
1868 | */ |
1869 | static void | |
1870 | bfa_ioim_sm_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1871 | { | |
1872 | bfa_trc(ioim->bfa, ioim->iotag); | |
1873 | bfa_trc(ioim->bfa, event); | |
1874 | ||
1875 | switch (event) { | |
1876 | case BFA_IOIM_SM_QRESUME: | |
1877 | bfa_sm_set_state(ioim, bfa_ioim_sm_active); | |
1878 | bfa_ioim_send_ioreq(ioim); | |
1879 | break; | |
1880 | ||
1881 | case BFA_IOIM_SM_ABORT: | |
1882 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1883 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1884 | bfa_ioim_move_to_comp_q(ioim); | |
1885 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1886 | ioim); | |
1887 | break; | |
1888 | ||
1889 | case BFA_IOIM_SM_CLEANUP: | |
1890 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1891 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1892 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1893 | ioim); | |
1894 | bfa_ioim_notify_cleanup(ioim); | |
1895 | break; | |
1896 | ||
1897 | case BFA_IOIM_SM_HWFAIL: | |
1898 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1899 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1900 | bfa_ioim_move_to_comp_q(ioim); | |
1901 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1902 | ioim); | |
1903 | break; | |
1904 | ||
1905 | default: | |
1906 | bfa_sm_fault(ioim->bfa, event); | |
1907 | } | |
1908 | } | |
1909 | ||
5fbe25c7 | 1910 | /* |
da99dcc9 | 1911 | * Active IO is being aborted, waiting for room in request CQ. |
a36c61f9 KG |
1912 | */ |
1913 | static void | |
1914 | bfa_ioim_sm_abort_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1915 | { | |
1916 | bfa_trc(ioim->bfa, ioim->iotag); | |
1917 | bfa_trc(ioim->bfa, event); | |
1918 | ||
1919 | switch (event) { | |
1920 | case BFA_IOIM_SM_QRESUME: | |
1921 | bfa_sm_set_state(ioim, bfa_ioim_sm_abort); | |
1922 | bfa_ioim_send_abort(ioim); | |
1923 | break; | |
1924 | ||
1925 | case BFA_IOIM_SM_CLEANUP: | |
d4b671c5 | 1926 | WARN_ON(ioim->iosp->abort_explicit != BFA_TRUE); |
a36c61f9 KG |
1927 | ioim->iosp->abort_explicit = BFA_FALSE; |
1928 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); | |
1929 | break; | |
1930 | ||
1931 | case BFA_IOIM_SM_COMP_GOOD: | |
1932 | case BFA_IOIM_SM_COMP: | |
1933 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1934 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1935 | bfa_ioim_move_to_comp_q(ioim); | |
1936 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1937 | ioim); | |
1938 | break; | |
1939 | ||
1940 | case BFA_IOIM_SM_DONE: | |
1941 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
1942 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1943 | bfa_ioim_move_to_comp_q(ioim); | |
1944 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1945 | ioim); | |
1946 | break; | |
1947 | ||
1948 | case BFA_IOIM_SM_HWFAIL: | |
1949 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1950 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1951 | bfa_ioim_move_to_comp_q(ioim); | |
1952 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1953 | ioim); | |
1954 | break; | |
1955 | ||
1956 | default: | |
1957 | bfa_sm_fault(ioim->bfa, event); | |
1958 | } | |
1959 | } | |
1960 | ||
5fbe25c7 | 1961 | /* |
da99dcc9 | 1962 | * Active IO is being cleaned up, waiting for room in request CQ. |
a36c61f9 KG |
1963 | */ |
1964 | static void | |
1965 | bfa_ioim_sm_cleanup_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1966 | { | |
1967 | bfa_trc(ioim->bfa, ioim->iotag); | |
1968 | bfa_trc(ioim->bfa, event); | |
1969 | ||
1970 | switch (event) { | |
1971 | case BFA_IOIM_SM_QRESUME: | |
1972 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); | |
1973 | bfa_ioim_send_abort(ioim); | |
1974 | break; | |
1975 | ||
1976 | case BFA_IOIM_SM_ABORT: | |
5fbe25c7 | 1977 | /* |
b595076a | 1978 | * IO is already being cleaned up implicitly |
a36c61f9 KG |
1979 | */ |
1980 | ioim->io_cbfn = __bfa_cb_ioim_abort; | |
1981 | break; | |
1982 | ||
1983 | case BFA_IOIM_SM_COMP_GOOD: | |
1984 | case BFA_IOIM_SM_COMP: | |
1985 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1986 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1987 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
1988 | bfa_ioim_notify_cleanup(ioim); | |
1989 | break; | |
1990 | ||
1991 | case BFA_IOIM_SM_DONE: | |
1992 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
1993 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1994 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
1995 | bfa_ioim_notify_cleanup(ioim); | |
1996 | break; | |
1997 | ||
1998 | case BFA_IOIM_SM_HWFAIL: | |
1999 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
2000 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
2001 | bfa_ioim_move_to_comp_q(ioim); | |
2002 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
2003 | ioim); | |
2004 | break; | |
2005 | ||
2006 | default: | |
2007 | bfa_sm_fault(ioim->bfa, event); | |
2008 | } | |
2009 | } | |
2010 | ||
5fbe25c7 | 2011 | /* |
a36c61f9 KG |
2012 | * IO bfa callback is pending. |
2013 | */ | |
2014 | static void | |
2015 | bfa_ioim_sm_hcb(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
2016 | { | |
a36c61f9 KG |
2017 | switch (event) { |
2018 | case BFA_IOIM_SM_HCB: | |
2019 | bfa_sm_set_state(ioim, bfa_ioim_sm_uninit); | |
2020 | bfa_ioim_free(ioim); | |
2021 | break; | |
2022 | ||
2023 | case BFA_IOIM_SM_CLEANUP: | |
2024 | bfa_ioim_notify_cleanup(ioim); | |
2025 | break; | |
2026 | ||
2027 | case BFA_IOIM_SM_HWFAIL: | |
2028 | break; | |
2029 | ||
2030 | default: | |
2031 | bfa_sm_fault(ioim->bfa, event); | |
2032 | } | |
2033 | } | |
2034 | ||
5fbe25c7 | 2035 | /* |
a36c61f9 KG |
2036 | * IO bfa callback is pending. IO resource cannot be freed. |
2037 | */ | |
2038 | static void | |
2039 | bfa_ioim_sm_hcb_free(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
2040 | { | |
2041 | bfa_trc(ioim->bfa, ioim->iotag); | |
2042 | bfa_trc(ioim->bfa, event); | |
2043 | ||
2044 | switch (event) { | |
2045 | case BFA_IOIM_SM_HCB: | |
2046 | bfa_sm_set_state(ioim, bfa_ioim_sm_resfree); | |
2047 | list_del(&ioim->qe); | |
2048 | list_add_tail(&ioim->qe, &ioim->fcpim->ioim_resfree_q); | |
2049 | break; | |
2050 | ||
2051 | case BFA_IOIM_SM_FREE: | |
2052 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
2053 | break; | |
2054 | ||
2055 | case BFA_IOIM_SM_CLEANUP: | |
2056 | bfa_ioim_notify_cleanup(ioim); | |
2057 | break; | |
2058 | ||
2059 | case BFA_IOIM_SM_HWFAIL: | |
2060 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
2061 | break; | |
2062 | ||
2063 | default: | |
2064 | bfa_sm_fault(ioim->bfa, event); | |
2065 | } | |
2066 | } | |
2067 | ||
5fbe25c7 | 2068 | /* |
a36c61f9 KG |
2069 | * IO is completed, waiting resource free from firmware. |
2070 | */ | |
2071 | static void | |
2072 | bfa_ioim_sm_resfree(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
2073 | { | |
2074 | bfa_trc(ioim->bfa, ioim->iotag); | |
2075 | bfa_trc(ioim->bfa, event); | |
2076 | ||
2077 | switch (event) { | |
2078 | case BFA_IOIM_SM_FREE: | |
2079 | bfa_sm_set_state(ioim, bfa_ioim_sm_uninit); | |
2080 | bfa_ioim_free(ioim); | |
2081 | break; | |
2082 | ||
2083 | case BFA_IOIM_SM_CLEANUP: | |
2084 | bfa_ioim_notify_cleanup(ioim); | |
2085 | break; | |
2086 | ||
2087 | case BFA_IOIM_SM_HWFAIL: | |
2088 | break; | |
2089 | ||
2090 | default: | |
2091 | bfa_sm_fault(ioim->bfa, event); | |
2092 | } | |
2093 | } | |
2094 | ||
83763d59 KG |
2095 | /* |
2096 | * This is called from bfa_fcpim_start after the bfa_init() with flash read | |
2097 | * is complete by driver. now invalidate the stale content of lun mask | |
2098 | * like unit attention, rp tag and lp tag. | |
2099 | */ | |
c7c3524c | 2100 | void |
83763d59 KG |
2101 | bfa_ioim_lm_init(struct bfa_s *bfa) |
2102 | { | |
2103 | struct bfa_lun_mask_s *lunm_list; | |
2104 | int i; | |
2105 | ||
2106 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) | |
2107 | return; | |
2108 | ||
2109 | lunm_list = bfa_get_lun_mask_list(bfa); | |
2110 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2111 | lunm_list[i].ua = BFA_IOIM_LM_UA_RESET; | |
2112 | lunm_list[i].lp_tag = BFA_LP_TAG_INVALID; | |
2113 | lunm_list[i].rp_tag = BFA_RPORT_TAG_INVALID; | |
2114 | } | |
2115 | } | |
2116 | ||
a36c61f9 KG |
2117 | static void |
2118 | __bfa_cb_ioim_good_comp(void *cbarg, bfa_boolean_t complete) | |
2119 | { | |
2120 | struct bfa_ioim_s *ioim = cbarg; | |
2121 | ||
2122 | if (!complete) { | |
2123 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); | |
2124 | return; | |
2125 | } | |
2126 | ||
2127 | bfa_cb_ioim_good_comp(ioim->bfa->bfad, ioim->dio); | |
2128 | } | |
2129 | ||
2130 | static void | |
2131 | __bfa_cb_ioim_comp(void *cbarg, bfa_boolean_t complete) | |
2132 | { | |
2133 | struct bfa_ioim_s *ioim = cbarg; | |
2134 | struct bfi_ioim_rsp_s *m; | |
2135 | u8 *snsinfo = NULL; | |
2136 | u8 sns_len = 0; | |
2137 | s32 residue = 0; | |
2138 | ||
2139 | if (!complete) { | |
2140 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); | |
2141 | return; | |
2142 | } | |
2143 | ||
2144 | m = (struct bfi_ioim_rsp_s *) &ioim->iosp->comp_rspmsg; | |
2145 | if (m->io_status == BFI_IOIM_STS_OK) { | |
5fbe25c7 | 2146 | /* |
a36c61f9 KG |
2147 | * setup sense information, if present |
2148 | */ | |
2149 | if ((m->scsi_status == SCSI_STATUS_CHECK_CONDITION) && | |
2150 | m->sns_len) { | |
2151 | sns_len = m->sns_len; | |
e2187d7f KG |
2152 | snsinfo = BFA_SNSINFO_FROM_TAG(ioim->fcpim->fcp, |
2153 | ioim->iotag); | |
a36c61f9 KG |
2154 | } |
2155 | ||
5fbe25c7 | 2156 | /* |
a36c61f9 KG |
2157 | * setup residue value correctly for normal completions |
2158 | */ | |
2159 | if (m->resid_flags == FCP_RESID_UNDER) { | |
ba816ea8 | 2160 | residue = be32_to_cpu(m->residue); |
a36c61f9 KG |
2161 | bfa_stats(ioim->itnim, iocomp_underrun); |
2162 | } | |
2163 | if (m->resid_flags == FCP_RESID_OVER) { | |
ba816ea8 | 2164 | residue = be32_to_cpu(m->residue); |
a36c61f9 KG |
2165 | residue = -residue; |
2166 | bfa_stats(ioim->itnim, iocomp_overrun); | |
2167 | } | |
2168 | } | |
2169 | ||
2170 | bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, m->io_status, | |
2171 | m->scsi_status, sns_len, snsinfo, residue); | |
2172 | } | |
2173 | ||
83763d59 KG |
2174 | void |
2175 | bfa_fcpim_lunmask_rp_update(struct bfa_s *bfa, wwn_t lp_wwn, wwn_t rp_wwn, | |
2176 | u16 rp_tag, u8 lp_tag) | |
2177 | { | |
2178 | struct bfa_lun_mask_s *lun_list; | |
2179 | u8 i; | |
2180 | ||
2181 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) | |
2182 | return; | |
2183 | ||
2184 | lun_list = bfa_get_lun_mask_list(bfa); | |
2185 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2186 | if (lun_list[i].state == BFA_IOIM_LUN_MASK_ACTIVE) { | |
2187 | if ((lun_list[i].lp_wwn == lp_wwn) && | |
2188 | (lun_list[i].rp_wwn == rp_wwn)) { | |
2189 | lun_list[i].rp_tag = rp_tag; | |
2190 | lun_list[i].lp_tag = lp_tag; | |
2191 | } | |
2192 | } | |
2193 | } | |
2194 | } | |
2195 | ||
4c5d22bf KG |
2196 | /* |
2197 | * set UA for all active luns in LM DB | |
2198 | */ | |
2199 | static void | |
2200 | bfa_ioim_lm_set_ua(struct bfa_s *bfa) | |
2201 | { | |
2202 | struct bfa_lun_mask_s *lunm_list; | |
2203 | int i; | |
2204 | ||
2205 | lunm_list = bfa_get_lun_mask_list(bfa); | |
2206 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2207 | if (lunm_list[i].state != BFA_IOIM_LUN_MASK_ACTIVE) | |
2208 | continue; | |
2209 | lunm_list[i].ua = BFA_IOIM_LM_UA_SET; | |
2210 | } | |
2211 | } | |
2212 | ||
2213 | bfa_status_t | |
2214 | bfa_fcpim_lunmask_update(struct bfa_s *bfa, u32 update) | |
2215 | { | |
2216 | struct bfa_lunmask_cfg_s *lun_mask; | |
2217 | ||
2218 | bfa_trc(bfa, bfa_get_lun_mask_status(bfa)); | |
2219 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) | |
2220 | return BFA_STATUS_FAILED; | |
2221 | ||
2222 | if (bfa_get_lun_mask_status(bfa) == update) | |
2223 | return BFA_STATUS_NO_CHANGE; | |
2224 | ||
2225 | lun_mask = bfa_get_lun_mask(bfa); | |
2226 | lun_mask->status = update; | |
2227 | ||
2228 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_ENABLED) | |
2229 | bfa_ioim_lm_set_ua(bfa); | |
2230 | ||
2231 | return bfa_dconf_update(bfa); | |
2232 | } | |
2233 | ||
2234 | bfa_status_t | |
2235 | bfa_fcpim_lunmask_clear(struct bfa_s *bfa) | |
2236 | { | |
2237 | int i; | |
2238 | struct bfa_lun_mask_s *lunm_list; | |
2239 | ||
2240 | bfa_trc(bfa, bfa_get_lun_mask_status(bfa)); | |
2241 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) | |
2242 | return BFA_STATUS_FAILED; | |
2243 | ||
2244 | lunm_list = bfa_get_lun_mask_list(bfa); | |
2245 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2246 | if (lunm_list[i].state == BFA_IOIM_LUN_MASK_ACTIVE) { | |
2247 | if (lunm_list[i].rp_tag != BFA_RPORT_TAG_INVALID) | |
2248 | bfa_rport_unset_lunmask(bfa, | |
2249 | BFA_RPORT_FROM_TAG(bfa, lunm_list[i].rp_tag)); | |
2250 | } | |
2251 | } | |
2252 | ||
2253 | memset(lunm_list, 0, sizeof(struct bfa_lun_mask_s) * MAX_LUN_MASK_CFG); | |
2254 | return bfa_dconf_update(bfa); | |
2255 | } | |
2256 | ||
2257 | bfa_status_t | |
2258 | bfa_fcpim_lunmask_query(struct bfa_s *bfa, void *buf) | |
2259 | { | |
2260 | struct bfa_lunmask_cfg_s *lun_mask; | |
2261 | ||
2262 | bfa_trc(bfa, bfa_get_lun_mask_status(bfa)); | |
2263 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) | |
2264 | return BFA_STATUS_FAILED; | |
2265 | ||
2266 | lun_mask = bfa_get_lun_mask(bfa); | |
2267 | memcpy(buf, lun_mask, sizeof(struct bfa_lunmask_cfg_s)); | |
2268 | return BFA_STATUS_OK; | |
2269 | } | |
2270 | ||
2271 | bfa_status_t | |
2272 | bfa_fcpim_lunmask_add(struct bfa_s *bfa, u16 vf_id, wwn_t *pwwn, | |
2273 | wwn_t rpwwn, struct scsi_lun lun) | |
2274 | { | |
2275 | struct bfa_lun_mask_s *lunm_list; | |
2276 | struct bfa_rport_s *rp = NULL; | |
2277 | int i, free_index = MAX_LUN_MASK_CFG + 1; | |
2278 | struct bfa_fcs_lport_s *port = NULL; | |
2279 | struct bfa_fcs_rport_s *rp_fcs; | |
2280 | ||
2281 | bfa_trc(bfa, bfa_get_lun_mask_status(bfa)); | |
2282 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) | |
2283 | return BFA_STATUS_FAILED; | |
2284 | ||
2285 | port = bfa_fcs_lookup_port(&((struct bfad_s *)bfa->bfad)->bfa_fcs, | |
2286 | vf_id, *pwwn); | |
2287 | if (port) { | |
2288 | *pwwn = port->port_cfg.pwwn; | |
2289 | rp_fcs = bfa_fcs_lport_get_rport_by_pwwn(port, rpwwn); | |
6bc6204e KG |
2290 | if (rp_fcs) |
2291 | rp = rp_fcs->bfa_rport; | |
4c5d22bf KG |
2292 | } |
2293 | ||
2294 | lunm_list = bfa_get_lun_mask_list(bfa); | |
2295 | /* if entry exists */ | |
2296 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2297 | if (lunm_list[i].state != BFA_IOIM_LUN_MASK_ACTIVE) | |
2298 | free_index = i; | |
2299 | if ((lunm_list[i].lp_wwn == *pwwn) && | |
2300 | (lunm_list[i].rp_wwn == rpwwn) && | |
2301 | (scsilun_to_int((struct scsi_lun *)&lunm_list[i].lun) == | |
2302 | scsilun_to_int((struct scsi_lun *)&lun))) | |
2303 | return BFA_STATUS_ENTRY_EXISTS; | |
2304 | } | |
2305 | ||
2306 | if (free_index > MAX_LUN_MASK_CFG) | |
2307 | return BFA_STATUS_MAX_ENTRY_REACHED; | |
2308 | ||
2309 | if (rp) { | |
2310 | lunm_list[free_index].lp_tag = bfa_lps_get_tag_from_pid(bfa, | |
2311 | rp->rport_info.local_pid); | |
2312 | lunm_list[free_index].rp_tag = rp->rport_tag; | |
2313 | } else { | |
2314 | lunm_list[free_index].lp_tag = BFA_LP_TAG_INVALID; | |
2315 | lunm_list[free_index].rp_tag = BFA_RPORT_TAG_INVALID; | |
2316 | } | |
2317 | ||
2318 | lunm_list[free_index].lp_wwn = *pwwn; | |
2319 | lunm_list[free_index].rp_wwn = rpwwn; | |
2320 | lunm_list[free_index].lun = lun; | |
2321 | lunm_list[free_index].state = BFA_IOIM_LUN_MASK_ACTIVE; | |
2322 | ||
2323 | /* set for all luns in this rp */ | |
2324 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2325 | if ((lunm_list[i].lp_wwn == *pwwn) && | |
2326 | (lunm_list[i].rp_wwn == rpwwn)) | |
2327 | lunm_list[i].ua = BFA_IOIM_LM_UA_SET; | |
2328 | } | |
2329 | ||
2330 | return bfa_dconf_update(bfa); | |
2331 | } | |
2332 | ||
2333 | bfa_status_t | |
2334 | bfa_fcpim_lunmask_delete(struct bfa_s *bfa, u16 vf_id, wwn_t *pwwn, | |
2335 | wwn_t rpwwn, struct scsi_lun lun) | |
2336 | { | |
2337 | struct bfa_lun_mask_s *lunm_list; | |
4c5d22bf | 2338 | struct bfa_fcs_lport_s *port = NULL; |
4c5d22bf KG |
2339 | int i; |
2340 | ||
2341 | /* in min cfg lunm_list could be NULL but no commands should run. */ | |
2342 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) | |
2343 | return BFA_STATUS_FAILED; | |
2344 | ||
2345 | bfa_trc(bfa, bfa_get_lun_mask_status(bfa)); | |
2346 | bfa_trc(bfa, *pwwn); | |
2347 | bfa_trc(bfa, rpwwn); | |
2348 | bfa_trc(bfa, scsilun_to_int((struct scsi_lun *)&lun)); | |
2349 | ||
2350 | if (*pwwn == 0) { | |
2351 | port = bfa_fcs_lookup_port( | |
2352 | &((struct bfad_s *)bfa->bfad)->bfa_fcs, | |
2353 | vf_id, *pwwn); | |
70b4de0b | 2354 | if (port) |
4c5d22bf | 2355 | *pwwn = port->port_cfg.pwwn; |
4c5d22bf KG |
2356 | } |
2357 | ||
2358 | lunm_list = bfa_get_lun_mask_list(bfa); | |
2359 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2360 | if ((lunm_list[i].lp_wwn == *pwwn) && | |
2361 | (lunm_list[i].rp_wwn == rpwwn) && | |
2362 | (scsilun_to_int((struct scsi_lun *)&lunm_list[i].lun) == | |
2363 | scsilun_to_int((struct scsi_lun *)&lun))) { | |
2364 | lunm_list[i].lp_wwn = 0; | |
2365 | lunm_list[i].rp_wwn = 0; | |
2366 | int_to_scsilun(0, &lunm_list[i].lun); | |
2367 | lunm_list[i].state = BFA_IOIM_LUN_MASK_INACTIVE; | |
2368 | if (lunm_list[i].rp_tag != BFA_RPORT_TAG_INVALID) { | |
2369 | lunm_list[i].rp_tag = BFA_RPORT_TAG_INVALID; | |
2370 | lunm_list[i].lp_tag = BFA_LP_TAG_INVALID; | |
2371 | } | |
2372 | return bfa_dconf_update(bfa); | |
2373 | } | |
2374 | } | |
2375 | ||
2376 | /* set for all luns in this rp */ | |
2377 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2378 | if ((lunm_list[i].lp_wwn == *pwwn) && | |
2379 | (lunm_list[i].rp_wwn == rpwwn)) | |
2380 | lunm_list[i].ua = BFA_IOIM_LM_UA_SET; | |
2381 | } | |
2382 | ||
2383 | return BFA_STATUS_ENTRY_NOT_EXISTS; | |
2384 | } | |
2385 | ||
a36c61f9 KG |
2386 | static void |
2387 | __bfa_cb_ioim_failed(void *cbarg, bfa_boolean_t complete) | |
2388 | { | |
2389 | struct bfa_ioim_s *ioim = cbarg; | |
2390 | ||
2391 | if (!complete) { | |
2392 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); | |
2393 | return; | |
2394 | } | |
2395 | ||
2396 | bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_ABORTED, | |
2397 | 0, 0, NULL, 0); | |
2398 | } | |
2399 | ||
2400 | static void | |
2401 | __bfa_cb_ioim_pathtov(void *cbarg, bfa_boolean_t complete) | |
2402 | { | |
2403 | struct bfa_ioim_s *ioim = cbarg; | |
2404 | ||
2405 | bfa_stats(ioim->itnim, path_tov_expired); | |
2406 | if (!complete) { | |
2407 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); | |
2408 | return; | |
2409 | } | |
2410 | ||
2411 | bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_PATHTOV, | |
2412 | 0, 0, NULL, 0); | |
2413 | } | |
2414 | ||
2415 | static void | |
2416 | __bfa_cb_ioim_abort(void *cbarg, bfa_boolean_t complete) | |
2417 | { | |
2418 | struct bfa_ioim_s *ioim = cbarg; | |
2419 | ||
2420 | if (!complete) { | |
2421 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); | |
2422 | return; | |
2423 | } | |
2424 | ||
2425 | bfa_cb_ioim_abort(ioim->bfa->bfad, ioim->dio); | |
2426 | } | |
2427 | ||
2428 | static void | |
2429 | bfa_ioim_sgpg_alloced(void *cbarg) | |
2430 | { | |
2431 | struct bfa_ioim_s *ioim = cbarg; | |
2432 | ||
2433 | ioim->nsgpgs = BFA_SGPG_NPAGE(ioim->nsges); | |
2434 | list_splice_tail_init(&ioim->iosp->sgpg_wqe.sgpg_q, &ioim->sgpg_q); | |
e3e7d3ee | 2435 | ioim->sgpg = bfa_q_first(&ioim->sgpg_q); |
a36c61f9 KG |
2436 | bfa_sm_send_event(ioim, BFA_IOIM_SM_SGALLOCED); |
2437 | } | |
2438 | ||
5fbe25c7 | 2439 | /* |
a36c61f9 KG |
2440 | * Send I/O request to firmware. |
2441 | */ | |
2442 | static bfa_boolean_t | |
2443 | bfa_ioim_send_ioreq(struct bfa_ioim_s *ioim) | |
2444 | { | |
2445 | struct bfa_itnim_s *itnim = ioim->itnim; | |
2446 | struct bfi_ioim_req_s *m; | |
da99dcc9 | 2447 | static struct fcp_cmnd_s cmnd_z0 = { { { 0 } } }; |
e3e7d3ee | 2448 | struct bfi_sge_s *sge, *sgpge; |
a36c61f9 KG |
2449 | u32 pgdlen = 0; |
2450 | u32 fcp_dl; | |
2451 | u64 addr; | |
2452 | struct scatterlist *sg; | |
e3e7d3ee | 2453 | struct bfa_sgpg_s *sgpg; |
a36c61f9 | 2454 | struct scsi_cmnd *cmnd = (struct scsi_cmnd *) ioim->dio; |
e3e7d3ee | 2455 | u32 i, sge_id, pgcumsz; |
f314878a | 2456 | enum dma_data_direction dmadir; |
a36c61f9 | 2457 | |
5fbe25c7 | 2458 | /* |
a36c61f9 KG |
2459 | * check for room in queue to send request now |
2460 | */ | |
2461 | m = bfa_reqq_next(ioim->bfa, ioim->reqq); | |
2462 | if (!m) { | |
2463 | bfa_stats(ioim->itnim, qwait); | |
2464 | bfa_reqq_wait(ioim->bfa, ioim->reqq, | |
2465 | &ioim->iosp->reqq_wait); | |
2466 | return BFA_FALSE; | |
2467 | } | |
2468 | ||
5fbe25c7 | 2469 | /* |
a36c61f9 KG |
2470 | * build i/o request message next |
2471 | */ | |
ba816ea8 | 2472 | m->io_tag = cpu_to_be16(ioim->iotag); |
a36c61f9 | 2473 | m->rport_hdl = ioim->itnim->rport->fw_handle; |
f314878a | 2474 | m->io_timeout = 0; |
a36c61f9 | 2475 | |
a36c61f9 | 2476 | sge = &m->sges[0]; |
e3e7d3ee MZ |
2477 | sgpg = ioim->sgpg; |
2478 | sge_id = 0; | |
2479 | sgpge = NULL; | |
2480 | pgcumsz = 0; | |
2481 | scsi_for_each_sg(cmnd, sg, ioim->nsges, i) { | |
2482 | if (i == 0) { | |
2483 | /* build inline IO SG element */ | |
f16a1750 | 2484 | addr = bfa_sgaddr_le(sg_dma_address(sg)); |
e3e7d3ee MZ |
2485 | sge->sga = *(union bfi_addr_u *) &addr; |
2486 | pgdlen = sg_dma_len(sg); | |
2487 | sge->sg_len = pgdlen; | |
2488 | sge->flags = (ioim->nsges > BFI_SGE_INLINE) ? | |
a36c61f9 | 2489 | BFI_SGE_DATA_CPL : BFI_SGE_DATA_LAST; |
e3e7d3ee MZ |
2490 | bfa_sge_to_be(sge); |
2491 | sge++; | |
2492 | } else { | |
2493 | if (sge_id == 0) | |
2494 | sgpge = sgpg->sgpg->sges; | |
2495 | ||
f16a1750 | 2496 | addr = bfa_sgaddr_le(sg_dma_address(sg)); |
e3e7d3ee MZ |
2497 | sgpge->sga = *(union bfi_addr_u *) &addr; |
2498 | sgpge->sg_len = sg_dma_len(sg); | |
2499 | pgcumsz += sgpge->sg_len; | |
2500 | ||
2501 | /* set flags */ | |
2502 | if (i < (ioim->nsges - 1) && | |
2503 | sge_id < (BFI_SGPG_DATA_SGES - 1)) | |
2504 | sgpge->flags = BFI_SGE_DATA; | |
2505 | else if (i < (ioim->nsges - 1)) | |
2506 | sgpge->flags = BFI_SGE_DATA_CPL; | |
2507 | else | |
2508 | sgpge->flags = BFI_SGE_DATA_LAST; | |
2509 | ||
2510 | bfa_sge_to_le(sgpge); | |
2511 | ||
2512 | sgpge++; | |
2513 | if (i == (ioim->nsges - 1)) { | |
2514 | sgpge->flags = BFI_SGE_PGDLEN; | |
2515 | sgpge->sga.a32.addr_lo = 0; | |
2516 | sgpge->sga.a32.addr_hi = 0; | |
2517 | sgpge->sg_len = pgcumsz; | |
2518 | bfa_sge_to_le(sgpge); | |
2519 | } else if (++sge_id == BFI_SGPG_DATA_SGES) { | |
2520 | sgpg = (struct bfa_sgpg_s *) bfa_q_next(sgpg); | |
2521 | sgpge->flags = BFI_SGE_LINK; | |
2522 | sgpge->sga = sgpg->sgpg_pa; | |
2523 | sgpge->sg_len = pgcumsz; | |
2524 | bfa_sge_to_le(sgpge); | |
2525 | sge_id = 0; | |
2526 | pgcumsz = 0; | |
2527 | } | |
2528 | } | |
a36c61f9 KG |
2529 | } |
2530 | ||
2531 | if (ioim->nsges > BFI_SGE_INLINE) { | |
2532 | sge->sga = ioim->sgpg->sgpg_pa; | |
2533 | } else { | |
2534 | sge->sga.a32.addr_lo = 0; | |
2535 | sge->sga.a32.addr_hi = 0; | |
2536 | } | |
2537 | sge->sg_len = pgdlen; | |
2538 | sge->flags = BFI_SGE_PGDLEN; | |
2539 | bfa_sge_to_be(sge); | |
2540 | ||
5fbe25c7 | 2541 | /* |
a36c61f9 KG |
2542 | * set up I/O command parameters |
2543 | */ | |
6a18b167 | 2544 | m->cmnd = cmnd_z0; |
f314878a MZ |
2545 | int_to_scsilun(cmnd->device->lun, &m->cmnd.lun); |
2546 | dmadir = cmnd->sc_data_direction; | |
2547 | if (dmadir == DMA_TO_DEVICE) | |
2548 | m->cmnd.iodir = FCP_IODIR_WRITE; | |
2549 | else if (dmadir == DMA_FROM_DEVICE) | |
2550 | m->cmnd.iodir = FCP_IODIR_READ; | |
2551 | else | |
2552 | m->cmnd.iodir = FCP_IODIR_NONE; | |
2553 | ||
8f4bfadd | 2554 | m->cmnd.cdb = *(struct scsi_cdb_s *) cmnd->cmnd; |
f314878a | 2555 | fcp_dl = scsi_bufflen(cmnd); |
ba816ea8 | 2556 | m->cmnd.fcp_dl = cpu_to_be32(fcp_dl); |
a36c61f9 | 2557 | |
5fbe25c7 | 2558 | /* |
a36c61f9 KG |
2559 | * set up I/O message header |
2560 | */ | |
2561 | switch (m->cmnd.iodir) { | |
2562 | case FCP_IODIR_READ: | |
3fd45980 | 2563 | bfi_h2i_set(m->mh, BFI_MC_IOIM_READ, 0, bfa_fn_lpu(ioim->bfa)); |
a36c61f9 KG |
2564 | bfa_stats(itnim, input_reqs); |
2565 | ioim->itnim->stats.rd_throughput += fcp_dl; | |
2566 | break; | |
2567 | case FCP_IODIR_WRITE: | |
3fd45980 | 2568 | bfi_h2i_set(m->mh, BFI_MC_IOIM_WRITE, 0, bfa_fn_lpu(ioim->bfa)); |
a36c61f9 KG |
2569 | bfa_stats(itnim, output_reqs); |
2570 | ioim->itnim->stats.wr_throughput += fcp_dl; | |
2571 | break; | |
2572 | case FCP_IODIR_RW: | |
2573 | bfa_stats(itnim, input_reqs); | |
2574 | bfa_stats(itnim, output_reqs); | |
df561f66 | 2575 | fallthrough; |
a36c61f9 | 2576 | default: |
3fd45980 | 2577 | bfi_h2i_set(m->mh, BFI_MC_IOIM_IO, 0, bfa_fn_lpu(ioim->bfa)); |
a36c61f9 KG |
2578 | } |
2579 | if (itnim->seq_rec || | |
f314878a | 2580 | (scsi_bufflen(cmnd) & (sizeof(u32) - 1))) |
3fd45980 | 2581 | bfi_h2i_set(m->mh, BFI_MC_IOIM_IO, 0, bfa_fn_lpu(ioim->bfa)); |
a36c61f9 | 2582 | |
5fbe25c7 | 2583 | /* |
a36c61f9 KG |
2584 | * queue I/O message to firmware |
2585 | */ | |
3fd45980 | 2586 | bfa_reqq_produce(ioim->bfa, ioim->reqq, m->mh); |
a36c61f9 KG |
2587 | return BFA_TRUE; |
2588 | } | |
2589 | ||
5fbe25c7 | 2590 | /* |
a36c61f9 KG |
2591 | * Setup any additional SG pages needed.Inline SG element is setup |
2592 | * at queuing time. | |
2593 | */ | |
2594 | static bfa_boolean_t | |
e3e7d3ee | 2595 | bfa_ioim_sgpg_alloc(struct bfa_ioim_s *ioim) |
a36c61f9 KG |
2596 | { |
2597 | u16 nsgpgs; | |
2598 | ||
d4b671c5 | 2599 | WARN_ON(ioim->nsges <= BFI_SGE_INLINE); |
a36c61f9 | 2600 | |
5fbe25c7 | 2601 | /* |
a36c61f9 KG |
2602 | * allocate SG pages needed |
2603 | */ | |
2604 | nsgpgs = BFA_SGPG_NPAGE(ioim->nsges); | |
2605 | if (!nsgpgs) | |
2606 | return BFA_TRUE; | |
2607 | ||
2608 | if (bfa_sgpg_malloc(ioim->bfa, &ioim->sgpg_q, nsgpgs) | |
2609 | != BFA_STATUS_OK) { | |
2610 | bfa_sgpg_wait(ioim->bfa, &ioim->iosp->sgpg_wqe, nsgpgs); | |
2611 | return BFA_FALSE; | |
2612 | } | |
2613 | ||
2614 | ioim->nsgpgs = nsgpgs; | |
e3e7d3ee | 2615 | ioim->sgpg = bfa_q_first(&ioim->sgpg_q); |
a36c61f9 KG |
2616 | |
2617 | return BFA_TRUE; | |
2618 | } | |
2619 | ||
5fbe25c7 | 2620 | /* |
a36c61f9 KG |
2621 | * Send I/O abort request to firmware. |
2622 | */ | |
2623 | static bfa_boolean_t | |
2624 | bfa_ioim_send_abort(struct bfa_ioim_s *ioim) | |
2625 | { | |
2626 | struct bfi_ioim_abort_req_s *m; | |
2627 | enum bfi_ioim_h2i msgop; | |
2628 | ||
5fbe25c7 | 2629 | /* |
a36c61f9 KG |
2630 | * check for room in queue to send request now |
2631 | */ | |
2632 | m = bfa_reqq_next(ioim->bfa, ioim->reqq); | |
2633 | if (!m) | |
2634 | return BFA_FALSE; | |
2635 | ||
5fbe25c7 | 2636 | /* |
a36c61f9 KG |
2637 | * build i/o request message next |
2638 | */ | |
2639 | if (ioim->iosp->abort_explicit) | |
2640 | msgop = BFI_IOIM_H2I_IOABORT_REQ; | |
2641 | else | |
2642 | msgop = BFI_IOIM_H2I_IOCLEANUP_REQ; | |
2643 | ||
3fd45980 | 2644 | bfi_h2i_set(m->mh, BFI_MC_IOIM, msgop, bfa_fn_lpu(ioim->bfa)); |
ba816ea8 | 2645 | m->io_tag = cpu_to_be16(ioim->iotag); |
a36c61f9 KG |
2646 | m->abort_tag = ++ioim->abort_tag; |
2647 | ||
5fbe25c7 | 2648 | /* |
a36c61f9 KG |
2649 | * queue I/O message to firmware |
2650 | */ | |
3fd45980 | 2651 | bfa_reqq_produce(ioim->bfa, ioim->reqq, m->mh); |
a36c61f9 KG |
2652 | return BFA_TRUE; |
2653 | } | |
2654 | ||
5fbe25c7 | 2655 | /* |
a36c61f9 KG |
2656 | * Call to resume any I/O requests waiting for room in request queue. |
2657 | */ | |
2658 | static void | |
2659 | bfa_ioim_qresume(void *cbarg) | |
2660 | { | |
2661 | struct bfa_ioim_s *ioim = cbarg; | |
2662 | ||
2663 | bfa_stats(ioim->itnim, qresumes); | |
2664 | bfa_sm_send_event(ioim, BFA_IOIM_SM_QRESUME); | |
2665 | } | |
2666 | ||
2667 | ||
2668 | static void | |
2669 | bfa_ioim_notify_cleanup(struct bfa_ioim_s *ioim) | |
2670 | { | |
5fbe25c7 | 2671 | /* |
a36c61f9 KG |
2672 | * Move IO from itnim queue to fcpim global queue since itnim will be |
2673 | * freed. | |
2674 | */ | |
2675 | list_del(&ioim->qe); | |
2676 | list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); | |
2677 | ||
2678 | if (!ioim->iosp->tskim) { | |
2679 | if (ioim->fcpim->delay_comp && ioim->itnim->iotov_active) { | |
2680 | bfa_cb_dequeue(&ioim->hcb_qe); | |
2681 | list_del(&ioim->qe); | |
2682 | list_add_tail(&ioim->qe, &ioim->itnim->delay_comp_q); | |
2683 | } | |
2684 | bfa_itnim_iodone(ioim->itnim); | |
2685 | } else | |
f7f73812 | 2686 | bfa_wc_down(&ioim->iosp->tskim->wc); |
a36c61f9 KG |
2687 | } |
2688 | ||
2689 | static bfa_boolean_t | |
2690 | bfa_ioim_is_abortable(struct bfa_ioim_s *ioim) | |
2691 | { | |
2692 | if ((bfa_sm_cmp_state(ioim, bfa_ioim_sm_uninit) && | |
2693 | (!bfa_q_is_on_q(&ioim->itnim->pending_q, ioim))) || | |
2694 | (bfa_sm_cmp_state(ioim, bfa_ioim_sm_abort)) || | |
2695 | (bfa_sm_cmp_state(ioim, bfa_ioim_sm_abort_qfull)) || | |
2696 | (bfa_sm_cmp_state(ioim, bfa_ioim_sm_hcb)) || | |
2697 | (bfa_sm_cmp_state(ioim, bfa_ioim_sm_hcb_free)) || | |
2698 | (bfa_sm_cmp_state(ioim, bfa_ioim_sm_resfree))) | |
2699 | return BFA_FALSE; | |
2700 | ||
2701 | return BFA_TRUE; | |
2702 | } | |
2703 | ||
a36c61f9 KG |
2704 | void |
2705 | bfa_ioim_delayed_comp(struct bfa_ioim_s *ioim, bfa_boolean_t iotov) | |
2706 | { | |
5fbe25c7 | 2707 | /* |
a36c61f9 KG |
2708 | * If path tov timer expired, failback with PATHTOV status - these |
2709 | * IO requests are not normally retried by IO stack. | |
2710 | * | |
2711 | * Otherwise device cameback online and fail it with normal failed | |
2712 | * status so that IO stack retries these failed IO requests. | |
2713 | */ | |
2714 | if (iotov) | |
2715 | ioim->io_cbfn = __bfa_cb_ioim_pathtov; | |
2716 | else { | |
2717 | ioim->io_cbfn = __bfa_cb_ioim_failed; | |
2718 | bfa_stats(ioim->itnim, iocom_nexus_abort); | |
2719 | } | |
2720 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
2721 | ||
5fbe25c7 | 2722 | /* |
a36c61f9 KG |
2723 | * Move IO to fcpim global queue since itnim will be |
2724 | * freed. | |
2725 | */ | |
2726 | list_del(&ioim->qe); | |
2727 | list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); | |
2728 | } | |
2729 | ||
2730 | ||
5fbe25c7 | 2731 | /* |
a36c61f9 KG |
2732 | * Memory allocation and initialization. |
2733 | */ | |
2734 | void | |
4507025d | 2735 | bfa_ioim_attach(struct bfa_fcpim_s *fcpim) |
a36c61f9 KG |
2736 | { |
2737 | struct bfa_ioim_s *ioim; | |
4507025d | 2738 | struct bfa_fcp_mod_s *fcp = fcpim->fcp; |
a36c61f9 KG |
2739 | struct bfa_ioim_sp_s *iosp; |
2740 | u16 i; | |
a36c61f9 | 2741 | |
5fbe25c7 | 2742 | /* |
a36c61f9 KG |
2743 | * claim memory first |
2744 | */ | |
4507025d | 2745 | ioim = (struct bfa_ioim_s *) bfa_mem_kva_curp(fcp); |
a36c61f9 | 2746 | fcpim->ioim_arr = ioim; |
4507025d | 2747 | bfa_mem_kva_curp(fcp) = (u8 *) (ioim + fcpim->fcp->num_ioim_reqs); |
a36c61f9 | 2748 | |
4507025d | 2749 | iosp = (struct bfa_ioim_sp_s *) bfa_mem_kva_curp(fcp); |
a36c61f9 | 2750 | fcpim->ioim_sp_arr = iosp; |
4507025d | 2751 | bfa_mem_kva_curp(fcp) = (u8 *) (iosp + fcpim->fcp->num_ioim_reqs); |
a36c61f9 | 2752 | |
5fbe25c7 | 2753 | /* |
a36c61f9 KG |
2754 | * Initialize ioim free queues |
2755 | */ | |
a36c61f9 KG |
2756 | INIT_LIST_HEAD(&fcpim->ioim_resfree_q); |
2757 | INIT_LIST_HEAD(&fcpim->ioim_comp_q); | |
2758 | ||
e2187d7f KG |
2759 | for (i = 0; i < fcpim->fcp->num_ioim_reqs; |
2760 | i++, ioim++, iosp++) { | |
a36c61f9 KG |
2761 | /* |
2762 | * initialize IOIM | |
2763 | */ | |
6a18b167 | 2764 | memset(ioim, 0, sizeof(struct bfa_ioim_s)); |
a36c61f9 KG |
2765 | ioim->iotag = i; |
2766 | ioim->bfa = fcpim->bfa; | |
2767 | ioim->fcpim = fcpim; | |
2768 | ioim->iosp = iosp; | |
a36c61f9 KG |
2769 | INIT_LIST_HEAD(&ioim->sgpg_q); |
2770 | bfa_reqq_winit(&ioim->iosp->reqq_wait, | |
2771 | bfa_ioim_qresume, ioim); | |
2772 | bfa_sgpg_winit(&ioim->iosp->sgpg_wqe, | |
2773 | bfa_ioim_sgpg_alloced, ioim); | |
2774 | bfa_sm_set_state(ioim, bfa_ioim_sm_uninit); | |
a36c61f9 KG |
2775 | } |
2776 | } | |
2777 | ||
a36c61f9 KG |
2778 | void |
2779 | bfa_ioim_isr(struct bfa_s *bfa, struct bfi_msg_s *m) | |
2780 | { | |
e2187d7f | 2781 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
a36c61f9 KG |
2782 | struct bfi_ioim_rsp_s *rsp = (struct bfi_ioim_rsp_s *) m; |
2783 | struct bfa_ioim_s *ioim; | |
2784 | u16 iotag; | |
2785 | enum bfa_ioim_event evt = BFA_IOIM_SM_COMP; | |
2786 | ||
ba816ea8 | 2787 | iotag = be16_to_cpu(rsp->io_tag); |
a36c61f9 KG |
2788 | |
2789 | ioim = BFA_IOIM_FROM_TAG(fcpim, iotag); | |
d4b671c5 | 2790 | WARN_ON(ioim->iotag != iotag); |
a36c61f9 KG |
2791 | |
2792 | bfa_trc(ioim->bfa, ioim->iotag); | |
2793 | bfa_trc(ioim->bfa, rsp->io_status); | |
2794 | bfa_trc(ioim->bfa, rsp->reuse_io_tag); | |
2795 | ||
2796 | if (bfa_sm_cmp_state(ioim, bfa_ioim_sm_active)) | |
6a18b167 | 2797 | ioim->iosp->comp_rspmsg = *m; |
a36c61f9 KG |
2798 | |
2799 | switch (rsp->io_status) { | |
2800 | case BFI_IOIM_STS_OK: | |
2801 | bfa_stats(ioim->itnim, iocomp_ok); | |
2802 | if (rsp->reuse_io_tag == 0) | |
2803 | evt = BFA_IOIM_SM_DONE; | |
2804 | else | |
2805 | evt = BFA_IOIM_SM_COMP; | |
2806 | break; | |
2807 | ||
2808 | case BFI_IOIM_STS_TIMEDOUT: | |
2809 | bfa_stats(ioim->itnim, iocomp_timedout); | |
df561f66 | 2810 | fallthrough; |
a36c61f9 KG |
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); | |
1287641e | 2874 | WARN_ON(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 | { | |
1306e31d | 3029 | bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event); |
a36c61f9 KG |
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 | { | |
1306e31d | 3067 | bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event); |
a36c61f9 KG |
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 | { | |
1306e31d | 3103 | bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event); |
a36c61f9 KG |
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 | ||
1306e31d | 3112 | case BFA_TSKIM_SM_UTAG: |
a36c61f9 KG |
3113 | case BFA_TSKIM_SM_CLEANUP_DONE: |
3114 | bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); | |
3115 | bfa_tskim_cleanup_ios(tskim); | |
3116 | break; | |
3117 | ||
3118 | case BFA_TSKIM_SM_HWFAIL: | |
3119 | bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); | |
3120 | bfa_tskim_iocdisable_ios(tskim); | |
3121 | bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); | |
3122 | break; | |
3123 | ||
3124 | default: | |
3125 | bfa_sm_fault(tskim->bfa, event); | |
3126 | } | |
3127 | } | |
3128 | ||
3129 | static void | |
3130 | bfa_tskim_sm_iocleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) | |
3131 | { | |
1306e31d | 3132 | bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event); |
a36c61f9 KG |
3133 | |
3134 | switch (event) { | |
3135 | case BFA_TSKIM_SM_IOS_DONE: | |
3136 | bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); | |
3137 | bfa_tskim_qcomp(tskim, __bfa_cb_tskim_done); | |
3138 | break; | |
3139 | ||
3140 | case BFA_TSKIM_SM_CLEANUP: | |
5fbe25c7 | 3141 | /* |
a36c61f9 KG |
3142 | * Ignore, TM command completed on wire. |
3143 | * Notify TM conmpletion on IO cleanup completion. | |
3144 | */ | |
3145 | break; | |
3146 | ||
3147 | case BFA_TSKIM_SM_HWFAIL: | |
3148 | bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); | |
3149 | bfa_tskim_iocdisable_ios(tskim); | |
3150 | bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); | |
3151 | break; | |
3152 | ||
3153 | default: | |
3154 | bfa_sm_fault(tskim->bfa, event); | |
3155 | } | |
3156 | } | |
3157 | ||
5fbe25c7 | 3158 | /* |
da99dcc9 | 3159 | * Task management command is waiting for room in request CQ |
a36c61f9 KG |
3160 | */ |
3161 | static void | |
3162 | bfa_tskim_sm_qfull(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) | |
3163 | { | |
1306e31d | 3164 | bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event); |
a36c61f9 KG |
3165 | |
3166 | switch (event) { | |
3167 | case BFA_TSKIM_SM_QRESUME: | |
3168 | bfa_sm_set_state(tskim, bfa_tskim_sm_active); | |
3169 | bfa_tskim_send(tskim); | |
3170 | break; | |
3171 | ||
3172 | case BFA_TSKIM_SM_CLEANUP: | |
5fbe25c7 | 3173 | /* |
a36c61f9 KG |
3174 | * No need to send TM on wire since ITN is offline. |
3175 | */ | |
3176 | bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); | |
3177 | bfa_reqq_wcancel(&tskim->reqq_wait); | |
3178 | bfa_tskim_cleanup_ios(tskim); | |
3179 | break; | |
3180 | ||
3181 | case BFA_TSKIM_SM_HWFAIL: | |
3182 | bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); | |
3183 | bfa_reqq_wcancel(&tskim->reqq_wait); | |
3184 | bfa_tskim_iocdisable_ios(tskim); | |
3185 | bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); | |
3186 | break; | |
3187 | ||
3188 | default: | |
3189 | bfa_sm_fault(tskim->bfa, event); | |
3190 | } | |
3191 | } | |
3192 | ||
5fbe25c7 | 3193 | /* |
da99dcc9 MZ |
3194 | * Task management command is active, awaiting for room in request CQ |
3195 | * to send clean up request. | |
a36c61f9 KG |
3196 | */ |
3197 | static void | |
3198 | bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim, | |
3199 | enum bfa_tskim_event event) | |
3200 | { | |
1306e31d | 3201 | bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event); |
a36c61f9 KG |
3202 | |
3203 | switch (event) { | |
3204 | case BFA_TSKIM_SM_DONE: | |
3205 | bfa_reqq_wcancel(&tskim->reqq_wait); | |
df561f66 | 3206 | fallthrough; |
a36c61f9 KG |
3207 | case BFA_TSKIM_SM_QRESUME: |
3208 | bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup); | |
3209 | bfa_tskim_send_abort(tskim); | |
3210 | break; | |
3211 | ||
3212 | case BFA_TSKIM_SM_HWFAIL: | |
3213 | bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); | |
3214 | bfa_reqq_wcancel(&tskim->reqq_wait); | |
3215 | bfa_tskim_iocdisable_ios(tskim); | |
3216 | bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); | |
3217 | break; | |
3218 | ||
3219 | default: | |
3220 | bfa_sm_fault(tskim->bfa, event); | |
3221 | } | |
3222 | } | |
3223 | ||
5fbe25c7 | 3224 | /* |
da99dcc9 | 3225 | * BFA callback is pending |
a36c61f9 KG |
3226 | */ |
3227 | static void | |
3228 | bfa_tskim_sm_hcb(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) | |
3229 | { | |
1306e31d | 3230 | bfa_trc(tskim->bfa, tskim->tsk_tag << 16 | event); |
a36c61f9 KG |
3231 | |
3232 | switch (event) { | |
3233 | case BFA_TSKIM_SM_HCB: | |
3234 | bfa_sm_set_state(tskim, bfa_tskim_sm_uninit); | |
3235 | bfa_tskim_free(tskim); | |
3236 | break; | |
3237 | ||
3238 | case BFA_TSKIM_SM_CLEANUP: | |
3239 | bfa_tskim_notify_comp(tskim); | |
3240 | break; | |
3241 | ||
3242 | case BFA_TSKIM_SM_HWFAIL: | |
3243 | break; | |
3244 | ||
3245 | default: | |
3246 | bfa_sm_fault(tskim->bfa, event); | |
3247 | } | |
3248 | } | |
3249 | ||
a36c61f9 KG |
3250 | static void |
3251 | __bfa_cb_tskim_done(void *cbarg, bfa_boolean_t complete) | |
3252 | { | |
3253 | struct bfa_tskim_s *tskim = cbarg; | |
3254 | ||
3255 | if (!complete) { | |
3256 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_HCB); | |
3257 | return; | |
3258 | } | |
3259 | ||
3260 | bfa_stats(tskim->itnim, tm_success); | |
3261 | bfa_cb_tskim_done(tskim->bfa->bfad, tskim->dtsk, tskim->tsk_status); | |
3262 | } | |
3263 | ||
3264 | static void | |
3265 | __bfa_cb_tskim_failed(void *cbarg, bfa_boolean_t complete) | |
3266 | { | |
3267 | struct bfa_tskim_s *tskim = cbarg; | |
3268 | ||
3269 | if (!complete) { | |
3270 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_HCB); | |
3271 | return; | |
3272 | } | |
3273 | ||
3274 | bfa_stats(tskim->itnim, tm_failures); | |
3275 | bfa_cb_tskim_done(tskim->bfa->bfad, tskim->dtsk, | |
3276 | BFI_TSKIM_STS_FAILED); | |
3277 | } | |
3278 | ||
da99dcc9 | 3279 | static bfa_boolean_t |
f314878a | 3280 | bfa_tskim_match_scope(struct bfa_tskim_s *tskim, struct scsi_lun lun) |
a36c61f9 KG |
3281 | { |
3282 | switch (tskim->tm_cmnd) { | |
3283 | case FCP_TM_TARGET_RESET: | |
3284 | return BFA_TRUE; | |
3285 | ||
3286 | case FCP_TM_ABORT_TASK_SET: | |
3287 | case FCP_TM_CLEAR_TASK_SET: | |
3288 | case FCP_TM_LUN_RESET: | |
3289 | case FCP_TM_CLEAR_ACA: | |
da99dcc9 | 3290 | return !memcmp(&tskim->lun, &lun, sizeof(lun)); |
a36c61f9 KG |
3291 | |
3292 | default: | |
d4b671c5 | 3293 | WARN_ON(1); |
a36c61f9 KG |
3294 | } |
3295 | ||
3296 | return BFA_FALSE; | |
3297 | } | |
3298 | ||
5fbe25c7 | 3299 | /* |
da99dcc9 | 3300 | * Gather affected IO requests and task management commands. |
a36c61f9 KG |
3301 | */ |
3302 | static void | |
3303 | bfa_tskim_gather_ios(struct bfa_tskim_s *tskim) | |
3304 | { | |
3305 | struct bfa_itnim_s *itnim = tskim->itnim; | |
3306 | struct bfa_ioim_s *ioim; | |
f314878a MZ |
3307 | struct list_head *qe, *qen; |
3308 | struct scsi_cmnd *cmnd; | |
3309 | struct scsi_lun scsilun; | |
a36c61f9 KG |
3310 | |
3311 | INIT_LIST_HEAD(&tskim->io_q); | |
3312 | ||
5fbe25c7 | 3313 | /* |
a36c61f9 KG |
3314 | * Gather any active IO requests first. |
3315 | */ | |
3316 | list_for_each_safe(qe, qen, &itnim->io_q) { | |
3317 | ioim = (struct bfa_ioim_s *) qe; | |
f314878a MZ |
3318 | cmnd = (struct scsi_cmnd *) ioim->dio; |
3319 | int_to_scsilun(cmnd->device->lun, &scsilun); | |
3320 | if (bfa_tskim_match_scope(tskim, scsilun)) { | |
a36c61f9 KG |
3321 | list_del(&ioim->qe); |
3322 | list_add_tail(&ioim->qe, &tskim->io_q); | |
3323 | } | |
3324 | } | |
3325 | ||
5fbe25c7 | 3326 | /* |
a36c61f9 KG |
3327 | * Failback any pending IO requests immediately. |
3328 | */ | |
3329 | list_for_each_safe(qe, qen, &itnim->pending_q) { | |
3330 | ioim = (struct bfa_ioim_s *) qe; | |
f314878a MZ |
3331 | cmnd = (struct scsi_cmnd *) ioim->dio; |
3332 | int_to_scsilun(cmnd->device->lun, &scsilun); | |
3333 | if (bfa_tskim_match_scope(tskim, scsilun)) { | |
a36c61f9 KG |
3334 | list_del(&ioim->qe); |
3335 | list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); | |
3336 | bfa_ioim_tov(ioim); | |
3337 | } | |
3338 | } | |
3339 | } | |
3340 | ||
5fbe25c7 | 3341 | /* |
da99dcc9 | 3342 | * IO cleanup completion |
a36c61f9 KG |
3343 | */ |
3344 | static void | |
3345 | bfa_tskim_cleanp_comp(void *tskim_cbarg) | |
3346 | { | |
3347 | struct bfa_tskim_s *tskim = tskim_cbarg; | |
3348 | ||
3349 | bfa_stats(tskim->itnim, tm_io_comps); | |
3350 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_IOS_DONE); | |
3351 | } | |
3352 | ||
5fbe25c7 | 3353 | /* |
da99dcc9 | 3354 | * Gather affected IO requests and task management commands. |
a36c61f9 KG |
3355 | */ |
3356 | static void | |
3357 | bfa_tskim_cleanup_ios(struct bfa_tskim_s *tskim) | |
3358 | { | |
3359 | struct bfa_ioim_s *ioim; | |
3360 | struct list_head *qe, *qen; | |
3361 | ||
3362 | bfa_wc_init(&tskim->wc, bfa_tskim_cleanp_comp, tskim); | |
3363 | ||
3364 | list_for_each_safe(qe, qen, &tskim->io_q) { | |
3365 | ioim = (struct bfa_ioim_s *) qe; | |
3366 | bfa_wc_up(&tskim->wc); | |
3367 | bfa_ioim_cleanup_tm(ioim, tskim); | |
3368 | } | |
3369 | ||
3370 | bfa_wc_wait(&tskim->wc); | |
3371 | } | |
3372 | ||
5fbe25c7 | 3373 | /* |
da99dcc9 | 3374 | * Send task management request to firmware. |
a36c61f9 KG |
3375 | */ |
3376 | static bfa_boolean_t | |
3377 | bfa_tskim_send(struct bfa_tskim_s *tskim) | |
3378 | { | |
3379 | struct bfa_itnim_s *itnim = tskim->itnim; | |
3380 | struct bfi_tskim_req_s *m; | |
3381 | ||
5fbe25c7 | 3382 | /* |
a36c61f9 KG |
3383 | * check for room in queue to send request now |
3384 | */ | |
3385 | m = bfa_reqq_next(tskim->bfa, itnim->reqq); | |
3386 | if (!m) | |
3387 | return BFA_FALSE; | |
3388 | ||
5fbe25c7 | 3389 | /* |
a36c61f9 KG |
3390 | * build i/o request message next |
3391 | */ | |
3392 | bfi_h2i_set(m->mh, BFI_MC_TSKIM, BFI_TSKIM_H2I_TM_REQ, | |
3fd45980 | 3393 | bfa_fn_lpu(tskim->bfa)); |
a36c61f9 | 3394 | |
ba816ea8 | 3395 | m->tsk_tag = cpu_to_be16(tskim->tsk_tag); |
a36c61f9 KG |
3396 | m->itn_fhdl = tskim->itnim->rport->fw_handle; |
3397 | m->t_secs = tskim->tsecs; | |
3398 | m->lun = tskim->lun; | |
3399 | m->tm_flags = tskim->tm_cmnd; | |
3400 | ||
5fbe25c7 | 3401 | /* |
a36c61f9 KG |
3402 | * queue I/O message to firmware |
3403 | */ | |
3fd45980 | 3404 | bfa_reqq_produce(tskim->bfa, itnim->reqq, m->mh); |
a36c61f9 KG |
3405 | return BFA_TRUE; |
3406 | } | |
3407 | ||
5fbe25c7 | 3408 | /* |
da99dcc9 | 3409 | * Send abort request to cleanup an active TM to firmware. |
a36c61f9 KG |
3410 | */ |
3411 | static bfa_boolean_t | |
3412 | bfa_tskim_send_abort(struct bfa_tskim_s *tskim) | |
3413 | { | |
3414 | struct bfa_itnim_s *itnim = tskim->itnim; | |
3415 | struct bfi_tskim_abortreq_s *m; | |
3416 | ||
5fbe25c7 | 3417 | /* |
a36c61f9 KG |
3418 | * check for room in queue to send request now |
3419 | */ | |
3420 | m = bfa_reqq_next(tskim->bfa, itnim->reqq); | |
3421 | if (!m) | |
3422 | return BFA_FALSE; | |
3423 | ||
5fbe25c7 | 3424 | /* |
a36c61f9 KG |
3425 | * build i/o request message next |
3426 | */ | |
3427 | bfi_h2i_set(m->mh, BFI_MC_TSKIM, BFI_TSKIM_H2I_ABORT_REQ, | |
3fd45980 | 3428 | bfa_fn_lpu(tskim->bfa)); |
a36c61f9 | 3429 | |
ba816ea8 | 3430 | m->tsk_tag = cpu_to_be16(tskim->tsk_tag); |
a36c61f9 | 3431 | |
5fbe25c7 | 3432 | /* |
a36c61f9 KG |
3433 | * queue I/O message to firmware |
3434 | */ | |
3fd45980 | 3435 | bfa_reqq_produce(tskim->bfa, itnim->reqq, m->mh); |
a36c61f9 KG |
3436 | return BFA_TRUE; |
3437 | } | |
3438 | ||
5fbe25c7 | 3439 | /* |
da99dcc9 | 3440 | * Call to resume task management cmnd waiting for room in request queue. |
a36c61f9 KG |
3441 | */ |
3442 | static void | |
3443 | bfa_tskim_qresume(void *cbarg) | |
3444 | { | |
3445 | struct bfa_tskim_s *tskim = cbarg; | |
3446 | ||
3447 | bfa_stats(tskim->itnim, tm_qresumes); | |
3448 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_QRESUME); | |
3449 | } | |
3450 | ||
5fbe25c7 | 3451 | /* |
a36c61f9 KG |
3452 | * Cleanup IOs associated with a task mangement command on IOC failures. |
3453 | */ | |
3454 | static void | |
3455 | bfa_tskim_iocdisable_ios(struct bfa_tskim_s *tskim) | |
3456 | { | |
3457 | struct bfa_ioim_s *ioim; | |
3458 | struct list_head *qe, *qen; | |
3459 | ||
3460 | list_for_each_safe(qe, qen, &tskim->io_q) { | |
3461 | ioim = (struct bfa_ioim_s *) qe; | |
3462 | bfa_ioim_iocdisable(ioim); | |
3463 | } | |
3464 | } | |
3465 | ||
5fbe25c7 | 3466 | /* |
a36c61f9 KG |
3467 | * Notification on completions from related ioim. |
3468 | */ | |
3469 | void | |
3470 | bfa_tskim_iodone(struct bfa_tskim_s *tskim) | |
3471 | { | |
3472 | bfa_wc_down(&tskim->wc); | |
3473 | } | |
3474 | ||
5fbe25c7 | 3475 | /* |
a36c61f9 KG |
3476 | * Handle IOC h/w failure notification from itnim. |
3477 | */ | |
3478 | void | |
3479 | bfa_tskim_iocdisable(struct bfa_tskim_s *tskim) | |
3480 | { | |
3481 | tskim->notify = BFA_FALSE; | |
3482 | bfa_stats(tskim->itnim, tm_iocdowns); | |
3483 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_HWFAIL); | |
3484 | } | |
3485 | ||
5fbe25c7 | 3486 | /* |
a36c61f9 KG |
3487 | * Cleanup TM command and associated IOs as part of ITNIM offline. |
3488 | */ | |
3489 | void | |
3490 | bfa_tskim_cleanup(struct bfa_tskim_s *tskim) | |
3491 | { | |
3492 | tskim->notify = BFA_TRUE; | |
3493 | bfa_stats(tskim->itnim, tm_cleanups); | |
3494 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_CLEANUP); | |
3495 | } | |
3496 | ||
5fbe25c7 | 3497 | /* |
da99dcc9 | 3498 | * Memory allocation and initialization. |
a36c61f9 KG |
3499 | */ |
3500 | void | |
4507025d | 3501 | bfa_tskim_attach(struct bfa_fcpim_s *fcpim) |
a36c61f9 KG |
3502 | { |
3503 | struct bfa_tskim_s *tskim; | |
4507025d | 3504 | struct bfa_fcp_mod_s *fcp = fcpim->fcp; |
a36c61f9 KG |
3505 | u16 i; |
3506 | ||
3507 | INIT_LIST_HEAD(&fcpim->tskim_free_q); | |
3fd45980 | 3508 | INIT_LIST_HEAD(&fcpim->tskim_unused_q); |
a36c61f9 | 3509 | |
4507025d | 3510 | tskim = (struct bfa_tskim_s *) bfa_mem_kva_curp(fcp); |
a36c61f9 KG |
3511 | fcpim->tskim_arr = tskim; |
3512 | ||
3513 | for (i = 0; i < fcpim->num_tskim_reqs; i++, tskim++) { | |
3514 | /* | |
3515 | * initialize TSKIM | |
3516 | */ | |
6a18b167 | 3517 | memset(tskim, 0, sizeof(struct bfa_tskim_s)); |
a36c61f9 KG |
3518 | tskim->tsk_tag = i; |
3519 | tskim->bfa = fcpim->bfa; | |
3520 | tskim->fcpim = fcpim; | |
3521 | tskim->notify = BFA_FALSE; | |
3522 | bfa_reqq_winit(&tskim->reqq_wait, bfa_tskim_qresume, | |
3523 | tskim); | |
3524 | bfa_sm_set_state(tskim, bfa_tskim_sm_uninit); | |
3525 | ||
3526 | list_add_tail(&tskim->qe, &fcpim->tskim_free_q); | |
3527 | } | |
3528 | ||
4507025d | 3529 | bfa_mem_kva_curp(fcp) = (u8 *) tskim; |
a36c61f9 KG |
3530 | } |
3531 | ||
a36c61f9 KG |
3532 | void |
3533 | bfa_tskim_isr(struct bfa_s *bfa, struct bfi_msg_s *m) | |
3534 | { | |
e2187d7f | 3535 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
a36c61f9 KG |
3536 | struct bfi_tskim_rsp_s *rsp = (struct bfi_tskim_rsp_s *) m; |
3537 | struct bfa_tskim_s *tskim; | |
ba816ea8 | 3538 | u16 tsk_tag = be16_to_cpu(rsp->tsk_tag); |
a36c61f9 KG |
3539 | |
3540 | tskim = BFA_TSKIM_FROM_TAG(fcpim, tsk_tag); | |
d4b671c5 | 3541 | WARN_ON(tskim->tsk_tag != tsk_tag); |
a36c61f9 KG |
3542 | |
3543 | tskim->tsk_status = rsp->tsk_status; | |
3544 | ||
5fbe25c7 | 3545 | /* |
a36c61f9 KG |
3546 | * Firmware sends BFI_TSKIM_STS_ABORTED status for abort |
3547 | * requests. All other statuses are for normal completions. | |
3548 | */ | |
3549 | if (rsp->tsk_status == BFI_TSKIM_STS_ABORTED) { | |
3550 | bfa_stats(tskim->itnim, tm_cleanup_comps); | |
3551 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_CLEANUP_DONE); | |
1306e31d KG |
3552 | } else if (rsp->tsk_status == BFI_TSKIM_STS_UTAG) { |
3553 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_UTAG); | |
a36c61f9 KG |
3554 | } else { |
3555 | bfa_stats(tskim->itnim, tm_fw_rsps); | |
3556 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_DONE); | |
3557 | } | |
3558 | } | |
3559 | ||
3560 | ||
a36c61f9 KG |
3561 | struct bfa_tskim_s * |
3562 | bfa_tskim_alloc(struct bfa_s *bfa, struct bfad_tskim_s *dtsk) | |
3563 | { | |
e2187d7f | 3564 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
a36c61f9 KG |
3565 | struct bfa_tskim_s *tskim; |
3566 | ||
3567 | bfa_q_deq(&fcpim->tskim_free_q, &tskim); | |
3568 | ||
3569 | if (tskim) | |
3570 | tskim->dtsk = dtsk; | |
3571 | ||
3572 | return tskim; | |
3573 | } | |
3574 | ||
3575 | void | |
3576 | bfa_tskim_free(struct bfa_tskim_s *tskim) | |
3577 | { | |
d4b671c5 | 3578 | WARN_ON(!bfa_q_is_on_q_func(&tskim->itnim->tsk_q, &tskim->qe)); |
a36c61f9 KG |
3579 | list_del(&tskim->qe); |
3580 | list_add_tail(&tskim->qe, &tskim->fcpim->tskim_free_q); | |
3581 | } | |
3582 | ||
5fbe25c7 | 3583 | /* |
da99dcc9 | 3584 | * Start a task management command. |
a36c61f9 KG |
3585 | * |
3586 | * @param[in] tskim BFA task management command instance | |
3587 | * @param[in] itnim i-t nexus for the task management command | |
3588 | * @param[in] lun lun, if applicable | |
3589 | * @param[in] tm_cmnd Task management command code. | |
3590 | * @param[in] t_secs Timeout in seconds | |
3591 | * | |
3592 | * @return None. | |
3593 | */ | |
3594 | void | |
f314878a MZ |
3595 | bfa_tskim_start(struct bfa_tskim_s *tskim, struct bfa_itnim_s *itnim, |
3596 | struct scsi_lun lun, | |
a36c61f9 KG |
3597 | enum fcp_tm_cmnd tm_cmnd, u8 tsecs) |
3598 | { | |
3599 | tskim->itnim = itnim; | |
3600 | tskim->lun = lun; | |
3601 | tskim->tm_cmnd = tm_cmnd; | |
3602 | tskim->tsecs = tsecs; | |
3603 | tskim->notify = BFA_FALSE; | |
3604 | bfa_stats(itnim, tm_cmnds); | |
3605 | ||
3606 | list_add_tail(&tskim->qe, &itnim->tsk_q); | |
3607 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_START); | |
3608 | } | |
e2187d7f | 3609 | |
3fd45980 KG |
3610 | void |
3611 | bfa_tskim_res_recfg(struct bfa_s *bfa, u16 num_tskim_fw) | |
3612 | { | |
3613 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); | |
3614 | struct list_head *qe; | |
3615 | int i; | |
3616 | ||
3617 | for (i = 0; i < (fcpim->num_tskim_reqs - num_tskim_fw); i++) { | |
3618 | bfa_q_deq_tail(&fcpim->tskim_free_q, &qe); | |
3619 | list_add_tail(qe, &fcpim->tskim_unused_q); | |
3620 | } | |
3621 | } | |
3622 | ||
c7c3524c | 3623 | void |
4507025d KG |
3624 | bfa_fcp_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo, |
3625 | struct bfa_s *bfa) | |
e2187d7f | 3626 | { |
4507025d KG |
3627 | struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); |
3628 | struct bfa_mem_kva_s *fcp_kva = BFA_MEM_FCP_KVA(bfa); | |
3629 | struct bfa_mem_dma_s *seg_ptr; | |
3630 | u16 nsegs, idx, per_seg_ios, num_io_req; | |
3631 | u32 km_len = 0; | |
e2187d7f KG |
3632 | |
3633 | /* | |
3634 | * ZERO for num_ioim_reqs and num_fwtio_reqs is allowed config value. | |
3635 | * So if the values are non zero, adjust them appropriately. | |
3636 | */ | |
3637 | if (cfg->fwcfg.num_ioim_reqs && | |
3638 | cfg->fwcfg.num_ioim_reqs < BFA_IOIM_MIN) | |
3639 | cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MIN; | |
3640 | else if (cfg->fwcfg.num_ioim_reqs > BFA_IOIM_MAX) | |
3641 | cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MAX; | |
3642 | ||
3643 | if (cfg->fwcfg.num_fwtio_reqs > BFA_FWTIO_MAX) | |
3644 | cfg->fwcfg.num_fwtio_reqs = BFA_FWTIO_MAX; | |
3645 | ||
3646 | num_io_req = (cfg->fwcfg.num_ioim_reqs + cfg->fwcfg.num_fwtio_reqs); | |
3647 | if (num_io_req > BFA_IO_MAX) { | |
3648 | if (cfg->fwcfg.num_ioim_reqs && cfg->fwcfg.num_fwtio_reqs) { | |
3649 | cfg->fwcfg.num_ioim_reqs = BFA_IO_MAX/2; | |
3650 | cfg->fwcfg.num_fwtio_reqs = BFA_IO_MAX/2; | |
3651 | } else if (cfg->fwcfg.num_fwtio_reqs) | |
3652 | cfg->fwcfg.num_fwtio_reqs = BFA_FWTIO_MAX; | |
3653 | else | |
3654 | cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MAX; | |
3655 | } | |
3656 | ||
4507025d | 3657 | bfa_fcpim_meminfo(cfg, &km_len); |
e2187d7f KG |
3658 | |
3659 | num_io_req = (cfg->fwcfg.num_ioim_reqs + cfg->fwcfg.num_fwtio_reqs); | |
4507025d KG |
3660 | km_len += num_io_req * sizeof(struct bfa_iotag_s); |
3661 | km_len += cfg->fwcfg.num_rports * sizeof(struct bfa_itn_s); | |
3662 | ||
3663 | /* dma memory */ | |
3664 | nsegs = BFI_MEM_DMA_NSEGS(num_io_req, BFI_IOIM_SNSLEN); | |
3665 | per_seg_ios = BFI_MEM_NREQS_SEG(BFI_IOIM_SNSLEN); | |
3666 | ||
3667 | bfa_mem_dma_seg_iter(fcp, seg_ptr, nsegs, idx) { | |
3668 | if (num_io_req >= per_seg_ios) { | |
3669 | num_io_req -= per_seg_ios; | |
3670 | bfa_mem_dma_setup(minfo, seg_ptr, | |
3671 | per_seg_ios * BFI_IOIM_SNSLEN); | |
3672 | } else | |
3673 | bfa_mem_dma_setup(minfo, seg_ptr, | |
3674 | num_io_req * BFI_IOIM_SNSLEN); | |
3675 | } | |
3676 | ||
3677 | /* kva memory */ | |
3678 | bfa_mem_kva_setup(minfo, fcp_kva, km_len); | |
e2187d7f KG |
3679 | } |
3680 | ||
c7c3524c | 3681 | void |
e2187d7f | 3682 | bfa_fcp_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, |
4507025d | 3683 | struct bfa_pcidev_s *pcidev) |
e2187d7f KG |
3684 | { |
3685 | struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); | |
4507025d KG |
3686 | struct bfa_mem_dma_s *seg_ptr; |
3687 | u16 idx, nsegs, num_io_req; | |
e2187d7f | 3688 | |
7ace27ae | 3689 | fcp->max_ioim_reqs = cfg->fwcfg.num_ioim_reqs; |
e2187d7f KG |
3690 | fcp->num_ioim_reqs = cfg->fwcfg.num_ioim_reqs; |
3691 | fcp->num_fwtio_reqs = cfg->fwcfg.num_fwtio_reqs; | |
4507025d | 3692 | fcp->num_itns = cfg->fwcfg.num_rports; |
e2187d7f KG |
3693 | fcp->bfa = bfa; |
3694 | ||
4507025d KG |
3695 | /* |
3696 | * Setup the pool of snsbase addr's, that is passed to fw as | |
3697 | * part of bfi_iocfc_cfg_s. | |
3698 | */ | |
3699 | num_io_req = (cfg->fwcfg.num_ioim_reqs + cfg->fwcfg.num_fwtio_reqs); | |
3700 | nsegs = BFI_MEM_DMA_NSEGS(num_io_req, BFI_IOIM_SNSLEN); | |
3701 | ||
3702 | bfa_mem_dma_seg_iter(fcp, seg_ptr, nsegs, idx) { | |
3703 | ||
3704 | if (!bfa_mem_dma_virt(seg_ptr)) | |
3705 | break; | |
3706 | ||
3707 | fcp->snsbase[idx].pa = bfa_mem_dma_phys(seg_ptr); | |
3708 | fcp->snsbase[idx].kva = bfa_mem_dma_virt(seg_ptr); | |
3709 | bfa_iocfc_set_snsbase(bfa, idx, fcp->snsbase[idx].pa); | |
3710 | } | |
e2187d7f | 3711 | |
7ace27ae | 3712 | fcp->throttle_update_required = 1; |
4507025d | 3713 | bfa_fcpim_attach(fcp, bfad, cfg, pcidev); |
e2187d7f | 3714 | |
4507025d | 3715 | bfa_iotag_attach(fcp); |
e2187d7f | 3716 | |
4507025d KG |
3717 | fcp->itn_arr = (struct bfa_itn_s *) bfa_mem_kva_curp(fcp); |
3718 | bfa_mem_kva_curp(fcp) = (u8 *)fcp->itn_arr + | |
e2187d7f KG |
3719 | (fcp->num_itns * sizeof(struct bfa_itn_s)); |
3720 | memset(fcp->itn_arr, 0, | |
3721 | (fcp->num_itns * sizeof(struct bfa_itn_s))); | |
e2187d7f KG |
3722 | } |
3723 | ||
c7c3524c | 3724 | void |
e2187d7f KG |
3725 | bfa_fcp_iocdisable(struct bfa_s *bfa) |
3726 | { | |
3727 | struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); | |
3728 | ||
3729 | bfa_fcpim_iocdisable(fcp); | |
3730 | } | |
3731 | ||
3fd45980 | 3732 | void |
7ace27ae | 3733 | bfa_fcp_res_recfg(struct bfa_s *bfa, u16 num_ioim_fw, u16 max_ioim_fw) |
3fd45980 KG |
3734 | { |
3735 | struct bfa_fcp_mod_s *mod = BFA_FCP_MOD(bfa); | |
3736 | struct list_head *qe; | |
3737 | int i; | |
3738 | ||
7ace27ae KG |
3739 | /* Update io throttle value only once during driver load time */ |
3740 | if (!mod->throttle_update_required) | |
3741 | return; | |
3742 | ||
3fd45980 KG |
3743 | for (i = 0; i < (mod->num_ioim_reqs - num_ioim_fw); i++) { |
3744 | bfa_q_deq_tail(&mod->iotag_ioim_free_q, &qe); | |
3745 | list_add_tail(qe, &mod->iotag_unused_q); | |
3746 | } | |
7ace27ae KG |
3747 | |
3748 | if (mod->num_ioim_reqs != num_ioim_fw) { | |
3749 | bfa_trc(bfa, mod->num_ioim_reqs); | |
3750 | bfa_trc(bfa, num_ioim_fw); | |
3751 | } | |
3752 | ||
3753 | mod->max_ioim_reqs = max_ioim_fw; | |
3754 | mod->num_ioim_reqs = num_ioim_fw; | |
3755 | mod->throttle_update_required = 0; | |
3fd45980 KG |
3756 | } |
3757 | ||
e2187d7f KG |
3758 | void |
3759 | bfa_itn_create(struct bfa_s *bfa, struct bfa_rport_s *rport, | |
3760 | void (*isr)(struct bfa_s *bfa, struct bfi_msg_s *m)) | |
3761 | { | |
3762 | struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); | |
3763 | struct bfa_itn_s *itn; | |
3764 | ||
3765 | itn = BFA_ITN_FROM_TAG(fcp, rport->rport_tag); | |
3766 | itn->isr = isr; | |
3767 | } | |
3768 | ||
3769 | /* | |
3770 | * Itn interrupt processing. | |
3771 | */ | |
3772 | void | |
3773 | bfa_itn_isr(struct bfa_s *bfa, struct bfi_msg_s *m) | |
3774 | { | |
3775 | struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); | |
3776 | union bfi_itn_i2h_msg_u msg; | |
3777 | struct bfa_itn_s *itn; | |
3778 | ||
3779 | msg.msg = m; | |
3780 | itn = BFA_ITN_FROM_TAG(fcp, msg.create_rsp->bfa_handle); | |
3781 | ||
3782 | if (itn->isr) | |
3783 | itn->isr(bfa, m); | |
3784 | else | |
3785 | WARN_ON(1); | |
3786 | } | |
3787 | ||
3788 | void | |
4507025d | 3789 | bfa_iotag_attach(struct bfa_fcp_mod_s *fcp) |
e2187d7f KG |
3790 | { |
3791 | struct bfa_iotag_s *iotag; | |
3792 | u16 num_io_req, i; | |
3793 | ||
4507025d | 3794 | iotag = (struct bfa_iotag_s *) bfa_mem_kva_curp(fcp); |
e2187d7f KG |
3795 | fcp->iotag_arr = iotag; |
3796 | ||
3797 | INIT_LIST_HEAD(&fcp->iotag_ioim_free_q); | |
3798 | INIT_LIST_HEAD(&fcp->iotag_tio_free_q); | |
3fd45980 | 3799 | INIT_LIST_HEAD(&fcp->iotag_unused_q); |
e2187d7f KG |
3800 | |
3801 | num_io_req = fcp->num_ioim_reqs + fcp->num_fwtio_reqs; | |
3802 | for (i = 0; i < num_io_req; i++, iotag++) { | |
3803 | memset(iotag, 0, sizeof(struct bfa_iotag_s)); | |
3804 | iotag->tag = i; | |
3805 | if (i < fcp->num_ioim_reqs) | |
3806 | list_add_tail(&iotag->qe, &fcp->iotag_ioim_free_q); | |
3807 | else | |
3808 | list_add_tail(&iotag->qe, &fcp->iotag_tio_free_q); | |
3809 | } | |
3810 | ||
4507025d | 3811 | bfa_mem_kva_curp(fcp) = (u8 *) iotag; |
e2187d7f | 3812 | } |
7ace27ae KG |
3813 | |
3814 | ||
7106de1d | 3815 | /* |
7ace27ae KG |
3816 | * To send config req, first try to use throttle value from flash |
3817 | * If 0, then use driver parameter | |
3818 | * We need to use min(flash_val, drv_val) because | |
3819 | * memory allocation was done based on this cfg'd value | |
3820 | */ | |
3821 | u16 | |
3822 | bfa_fcpim_get_throttle_cfg(struct bfa_s *bfa, u16 drv_cfg_param) | |
3823 | { | |
3824 | u16 tmp; | |
3825 | struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); | |
3826 | ||
3827 | /* | |
3828 | * If throttle value from flash is already in effect after driver is | |
3829 | * loaded then until next load, always return current value instead | |
3830 | * of actual flash value | |
3831 | */ | |
3832 | if (!fcp->throttle_update_required) | |
3833 | return (u16)fcp->num_ioim_reqs; | |
3834 | ||
3835 | tmp = bfa_dconf_read_data_valid(bfa) ? bfa_fcpim_read_throttle(bfa) : 0; | |
3836 | if (!tmp || (tmp > drv_cfg_param)) | |
3837 | tmp = drv_cfg_param; | |
3838 | ||
3839 | return tmp; | |
3840 | } | |
3841 | ||
3842 | bfa_status_t | |
3843 | bfa_fcpim_write_throttle(struct bfa_s *bfa, u16 value) | |
3844 | { | |
3845 | if (!bfa_dconf_get_min_cfg(bfa)) { | |
3846 | BFA_DCONF_MOD(bfa)->dconf->throttle_cfg.value = value; | |
3847 | BFA_DCONF_MOD(bfa)->dconf->throttle_cfg.is_valid = 1; | |
3848 | return BFA_STATUS_OK; | |
3849 | } | |
3850 | ||
3851 | return BFA_STATUS_FAILED; | |
3852 | } | |
3853 | ||
3854 | u16 | |
3855 | bfa_fcpim_read_throttle(struct bfa_s *bfa) | |
3856 | { | |
3857 | struct bfa_throttle_cfg_s *throttle_cfg = | |
3858 | &(BFA_DCONF_MOD(bfa)->dconf->throttle_cfg); | |
3859 | ||
3860 | return ((!bfa_dconf_get_min_cfg(bfa)) ? | |
3861 | ((throttle_cfg->is_valid == 1) ? (throttle_cfg->value) : 0) : 0); | |
3862 | } | |
3863 | ||
3864 | bfa_status_t | |
3865 | bfa_fcpim_throttle_set(struct bfa_s *bfa, u16 value) | |
3866 | { | |
3867 | /* in min cfg no commands should run. */ | |
3868 | if ((bfa_dconf_get_min_cfg(bfa) == BFA_TRUE) || | |
3869 | (!bfa_dconf_read_data_valid(bfa))) | |
3870 | return BFA_STATUS_FAILED; | |
3871 | ||
3872 | bfa_fcpim_write_throttle(bfa, value); | |
3873 | ||
3874 | return bfa_dconf_update(bfa); | |
3875 | } | |
3876 | ||
3877 | bfa_status_t | |
3878 | bfa_fcpim_throttle_get(struct bfa_s *bfa, void *buf) | |
3879 | { | |
3880 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); | |
3881 | struct bfa_defs_fcpim_throttle_s throttle; | |
3882 | ||
3883 | if ((bfa_dconf_get_min_cfg(bfa) == BFA_TRUE) || | |
3884 | (!bfa_dconf_read_data_valid(bfa))) | |
3885 | return BFA_STATUS_FAILED; | |
3886 | ||
3887 | memset(&throttle, 0, sizeof(struct bfa_defs_fcpim_throttle_s)); | |
3888 | ||
3889 | throttle.cur_value = (u16)(fcpim->fcp->num_ioim_reqs); | |
3890 | throttle.cfg_value = bfa_fcpim_read_throttle(bfa); | |
3891 | if (!throttle.cfg_value) | |
3892 | throttle.cfg_value = throttle.cur_value; | |
3893 | throttle.max_value = (u16)(fcpim->fcp->max_ioim_reqs); | |
3894 | memcpy(buf, &throttle, sizeof(struct bfa_defs_fcpim_throttle_s)); | |
3895 | ||
3896 | return BFA_STATUS_OK; | |
3897 | } |